diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
49 files changed, 5585 insertions, 4964 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index ad3bdba6beed..1d7572f9887f 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -111,20 +111,3 @@ config IWLWIFI_DEVICE_SVTOOL NL80211_TESTMODE. svtool is a software validation tool that runs in the user space and interacts with the device in the kernel space through the generic netlink message via NL80211_TESTMODE channel. - -config IWL_P2P - bool "iwlwifi experimental P2P support" - depends on IWLAGN - help - This option enables experimental P2P support for some devices - based on microcode support. Since P2P support is still under - development, this option may even enable it for some devices - now that turn out to not support it in the future due to - microcode restrictions. - - To determine if your microcode supports the experimental P2P - offered by this option, check if the driver advertises AP - support when it is loaded. - - Say Y only if you want to experiment with P2P. - diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 01b49eb8c8ec..4766c3a1a2f6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -30,7 +30,6 @@ #include <linux/delay.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/etherdevice.h> #include <asm/unaligned.h> @@ -44,10 +43,16 @@ #include "iwl-agn.h" #include "iwl-helpers.h" #include "iwl-agn-hw.h" +#include "iwl-shared.h" +#include "iwl-pci.h" /* Highest firmware API version supported */ -#define IWL1000_UCODE_API_MAX 5 -#define IWL100_UCODE_API_MAX 5 +#define IWL1000_UCODE_API_MAX 6 +#define IWL100_UCODE_API_MAX 6 + +/* Oldest version we won't warn about */ +#define IWL1000_UCODE_API_OK 5 +#define IWL100_UCODE_API_OK 5 /* Lowest firmware API version supported */ #define IWL1000_UCODE_API_MIN 1 @@ -73,21 +78,21 @@ static void iwl1000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ - priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; - priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; + hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; + hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; } /* NIC configuration for 1000 series */ static void iwl1000_nic_config(struct iwl_priv *priv) { /* set CSR_HW_CONFIG_REG for uCode use */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); /* Setting digital SVR for 1000 card to 1.32V */ /* locking is acquired in iwl_set_bits_mask_prph() function */ - iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG, + iwl_set_bits_mask_prph(bus(priv), APMG_DIGITAL_SVR_REG, APMG_SVR_DIGITAL_VOLTAGE_1_32, ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK); } @@ -124,44 +129,39 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; - priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; - priv->hw_params.scd_bc_tbls_size = - priv->cfg->base_params->num_of_queues * - sizeof(struct iwlagn_scd_bc_tbl); - priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; + hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; + hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; + hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | - BIT(IEEE80211_BAND_5GHZ); + hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ); - priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) - priv->hw_params.rx_chains_num = 1; + hw_params(priv).rx_chains_num = 1; else - priv->hw_params.rx_chains_num = + hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); - priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; - priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; + hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; iwl1000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ - priv->hw_params.sens = &iwl1000_sensitivity; - priv->hw_params.calib_init_cfg = + hw_params(priv).sens = &iwl1000_sensitivity; + hw_params(priv).calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) - priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC); + hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC); - priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -201,12 +201,13 @@ static struct iwl_base_params iwl1000_base_params = { static struct iwl_ht_params iwl1000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ - .smps_mode = IEEE80211_SMPS_STATIC, + .smps_mode = IEEE80211_SMPS_DYNAMIC, }; #define IWL_DEVICE_1000 \ .fw_name_pre = IWL1000_FW_PRE, \ .ucode_api_max = IWL1000_UCODE_API_MAX, \ + .ucode_api_ok = IWL1000_UCODE_API_OK, \ .ucode_api_min = IWL1000_UCODE_API_MIN, \ .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ @@ -228,6 +229,7 @@ struct iwl_cfg iwl1000_bg_cfg = { #define IWL_DEVICE_100 \ .fw_name_pre = IWL100_FW_PRE, \ .ucode_api_max = IWL100_UCODE_API_MAX, \ + .ucode_api_ok = IWL100_UCODE_API_OK, \ .ucode_api_min = IWL100_UCODE_API_MIN, \ .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index 0e13f0bb2e17..913f2a228527 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -30,7 +30,6 @@ #include <linux/delay.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/etherdevice.h> #include <asm/unaligned.h> @@ -45,12 +44,20 @@ #include "iwl-helpers.h" #include "iwl-agn-hw.h" #include "iwl-6000-hw.h" +#include "iwl-shared.h" +#include "iwl-pci.h" /* Highest firmware API version supported */ -#define IWL2030_UCODE_API_MAX 5 -#define IWL2000_UCODE_API_MAX 5 -#define IWL105_UCODE_API_MAX 5 -#define IWL135_UCODE_API_MAX 5 +#define IWL2030_UCODE_API_MAX 6 +#define IWL2000_UCODE_API_MAX 6 +#define IWL105_UCODE_API_MAX 6 +#define IWL135_UCODE_API_MAX 6 + +/* Oldest version we won't warn about */ +#define IWL2030_UCODE_API_OK 5 +#define IWL2000_UCODE_API_OK 5 +#define IWL105_UCODE_API_OK 5 +#define IWL135_UCODE_API_OK 5 /* Lowest firmware API version supported */ #define IWL2030_UCODE_API_MIN 5 @@ -73,8 +80,8 @@ static void iwl2000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ - priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; - priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; + hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD; + hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; } /* NIC configuration for 2000 series */ @@ -83,7 +90,7 @@ static void iwl2000_nic_config(struct iwl_priv *priv) iwl_rf_config(priv); if (priv->cfg->iq_invert) - iwl_set_bit(priv, CSR_GP_DRIVER_REG, + iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER); } @@ -119,45 +126,40 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; - priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; - priv->hw_params.scd_bc_tbls_size = - priv->cfg->base_params->num_of_queues * - sizeof(struct iwlagn_scd_bc_tbl); - priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; + hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; + hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; + hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE; - priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | - BIT(IEEE80211_BAND_5GHZ); + hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ); - priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) - priv->hw_params.rx_chains_num = 1; + hw_params(priv).rx_chains_num = 1; else - priv->hw_params.rx_chains_num = + hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); - priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; - priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; + hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; iwl2000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ - priv->hw_params.sens = &iwl2000_sensitivity; - priv->hw_params.calib_init_cfg = + hw_params(priv).sens = &iwl2000_sensitivity; + hw_params(priv).calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) - priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; + hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; if (priv->cfg->need_temp_offset_calib) - priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); + hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); - priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -175,7 +177,7 @@ static struct iwl_lib_ops iwl2000_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REGULATORY_BAND_NO_HT40, }, - .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, + .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, }, .temperature = iwlagn_temperature, }; @@ -196,7 +198,7 @@ static struct iwl_lib_ops iwl2030_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REGULATORY_BAND_NO_HT40, }, - .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, + .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, }, .temperature = iwlagn_temperature, }; @@ -217,6 +219,7 @@ static struct iwl_base_params iwl2000_base_params = { .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = true, + .hd_v2 = true, }; @@ -236,6 +239,7 @@ static struct iwl_base_params iwl2030_base_params = { .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = true, + .hd_v2 = true, }; static struct iwl_ht_params iwl2000_ht_params = { @@ -256,6 +260,7 @@ static struct iwl_bt_params iwl2030_bt_params = { #define IWL_DEVICE_2000 \ .fw_name_pre = IWL2000_FW_PRE, \ .ucode_api_max = IWL2000_UCODE_API_MAX, \ + .ucode_api_ok = IWL2000_UCODE_API_OK, \ .ucode_api_min = IWL2000_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ @@ -277,9 +282,16 @@ struct iwl_cfg iwl2000_2bg_cfg = { IWL_DEVICE_2000, }; +struct iwl_cfg iwl2000_2bgn_d_cfg = { + .name = "2000D Series 2x2 BGN", + IWL_DEVICE_2000, + .ht_params = &iwl2000_ht_params, +}; + #define IWL_DEVICE_2030 \ .fw_name_pre = IWL2030_FW_PRE, \ .ucode_api_max = IWL2030_UCODE_API_MAX, \ + .ucode_api_ok = IWL2030_UCODE_API_OK, \ .ucode_api_min = IWL2030_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ @@ -306,6 +318,7 @@ struct iwl_cfg iwl2030_2bg_cfg = { #define IWL_DEVICE_105 \ .fw_name_pre = IWL105_FW_PRE, \ .ucode_api_max = IWL105_UCODE_API_MAX, \ + .ucode_api_ok = IWL105_UCODE_API_OK, \ .ucode_api_min = IWL105_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ @@ -332,6 +345,7 @@ struct iwl_cfg iwl105_bgn_cfg = { #define IWL_DEVICE_135 \ .fw_name_pre = IWL135_FW_PRE, \ .ucode_api_max = IWL135_UCODE_API_MAX, \ + .ucode_api_ok = IWL135_UCODE_API_OK, \ .ucode_api_min = IWL135_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index c95cefd529dc..7cb4d69e0c37 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -31,7 +31,6 @@ #include <linux/sched.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/etherdevice.h> #include <asm/unaligned.h> @@ -47,6 +46,8 @@ #include "iwl-agn-hw.h" #include "iwl-5000-hw.h" #include "iwl-trans.h" +#include "iwl-shared.h" +#include "iwl-pci.h" /* Highest firmware API version supported */ #define IWL5000_UCODE_API_MAX 5 @@ -69,27 +70,27 @@ static void iwl5000_nic_config(struct iwl_priv *priv) iwl_rf_config(priv); - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); /* W/A : NIC is stuck in a reset state after Early PCIe power off * (PCIe power is lost before PERST# is asserted), * causing ME FW to lose ownership and not being able to obtain it back. */ - iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(bus(priv), APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); } static struct iwl_sensitivity_ranges iwl5000_sensitivity = { - .min_nrg_cck = 95, + .min_nrg_cck = 100, .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, - .auto_corr_min_ofdm_x1 = 120, - .auto_corr_min_ofdm_mrc_x1 = 240, + .auto_corr_min_ofdm_x1 = 105, + .auto_corr_min_ofdm_mrc_x1 = 220, .auto_corr_max_ofdm = 120, .auto_corr_max_ofdm_mrc = 210, @@ -98,10 +99,10 @@ static struct iwl_sensitivity_ranges iwl5000_sensitivity = { .auto_corr_min_cck = 125, .auto_corr_max_cck = 200, - .auto_corr_min_cck_mrc = 170, + .auto_corr_min_cck_mrc = 200, .auto_corr_max_cck_mrc = 400, - .nrg_th_cck = 95, - .nrg_th_ofdm = 95, + .nrg_th_cck = 100, + .nrg_th_ofdm = 100, .barker_corr_th_min = 190, .barker_corr_th_min_mrc = 390, @@ -140,13 +141,13 @@ static void iwl5150_set_ct_threshold(struct iwl_priv *priv) s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) - iwl_temp_calib_to_offset(priv); - priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef; + hw_params(priv).ct_kill_threshold = threshold * volt2temp_coef; } static void iwl5000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ - priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; + hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; } static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) @@ -156,38 +157,34 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; - priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; - priv->hw_params.scd_bc_tbls_size = - priv->cfg->base_params->num_of_queues * - sizeof(struct iwlagn_scd_bc_tbl); - priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; + hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; + hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; + hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | + hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); - priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); - priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; - priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); + hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; + hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; iwl5000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ - priv->hw_params.sens = &iwl5000_sensitivity; - priv->hw_params.calib_init_cfg = + hw_params(priv).sens = &iwl5000_sensitivity; + hw_params(priv).calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); - priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -199,38 +196,34 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; - priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; - priv->hw_params.scd_bc_tbls_size = - priv->cfg->base_params->num_of_queues * - sizeof(struct iwlagn_scd_bc_tbl); - priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; + hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; + hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; + hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | + hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); - priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); - priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; - priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); + hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; + hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; iwl5150_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ - priv->hw_params.sens = &iwl5150_sensitivity; - priv->hw_params.calib_init_cfg = + hw_params(priv).sens = &iwl5150_sensitivity; + hw_params(priv).calib_init_cfg = BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) - priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC); + hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC); - priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -315,7 +308,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, return -EFAULT; } - return trans_send_cmd(&priv->trans, &hcmd); + return iwl_trans_send_cmd(trans(priv), &hcmd); } static struct iwl_lib_ops iwl5000_lib = { diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 973d1972e8cc..2a98e65ca84c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -30,7 +30,6 @@ #include <linux/delay.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/etherdevice.h> #include <asm/unaligned.h> @@ -46,11 +45,16 @@ #include "iwl-agn-hw.h" #include "iwl-6000-hw.h" #include "iwl-trans.h" +#include "iwl-shared.h" +#include "iwl-pci.h" /* Highest firmware API version supported */ #define IWL6000_UCODE_API_MAX 4 #define IWL6050_UCODE_API_MAX 5 -#define IWL6000G2_UCODE_API_MAX 5 +#define IWL6000G2_UCODE_API_MAX 6 + +/* Oldest version we won't warn about */ +#define IWL6000G2_UCODE_API_OK 5 /* Lowest firmware API version supported */ #define IWL6000_UCODE_API_MIN 4 @@ -72,15 +76,15 @@ static void iwl6000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ - priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; - priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; + hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD; + hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; } static void iwl6050_additional_nic_config(struct iwl_priv *priv) { /* Indicate calibration version to uCode. */ if (iwlagn_eeprom_calib_version(priv) >= 6) - iwl_set_bit(priv, CSR_GP_DRIVER_REG, + iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6); } @@ -88,9 +92,9 @@ static void iwl6150_additional_nic_config(struct iwl_priv *priv) { /* Indicate calibration version to uCode. */ if (iwlagn_eeprom_calib_version(priv) >= 6) - iwl_set_bit(priv, CSR_GP_DRIVER_REG, + iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6); - iwl_set_bit(priv, CSR_GP_DRIVER_REG, + iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_6050_1x2); } @@ -102,7 +106,7 @@ static void iwl6000_nic_config(struct iwl_priv *priv) /* no locking required for register write */ if (priv->cfg->pa_type == IWL_PA_INTERNAL) { /* 2x2 IPA phy type */ - iwl_write32(priv, CSR_GP_DRIVER_REG, + iwl_write32(bus(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA); } /* do additional nic configuration if needed */ @@ -111,7 +115,7 @@ static void iwl6000_nic_config(struct iwl_priv *priv) } static struct iwl_sensitivity_ranges iwl6000_sensitivity = { - .min_nrg_cck = 97, + .min_nrg_cck = 110, .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 80, .auto_corr_min_ofdm_mrc = 128, @@ -127,11 +131,11 @@ static struct iwl_sensitivity_ranges iwl6000_sensitivity = { .auto_corr_max_cck = 175, .auto_corr_min_cck_mrc = 160, .auto_corr_max_cck_mrc = 310, - .nrg_th_cck = 97, - .nrg_th_ofdm = 100, + .nrg_th_cck = 110, + .nrg_th_ofdm = 110, .barker_corr_th_min = 190, - .barker_corr_th_min_mrc = 390, + .barker_corr_th_min_mrc = 336, .nrg_th_cca = 62, }; @@ -142,45 +146,41 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->base_params->num_of_queues = iwlagn_mod_params.num_of_queues; - priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues; - priv->hw_params.scd_bc_tbls_size = - priv->cfg->base_params->num_of_queues * - sizeof(struct iwlagn_scd_bc_tbl); - priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues; + hw_params(priv).max_stations = IWLAGN_STATION_COUNT; priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; + hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; + hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE; - priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | + hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) - priv->hw_params.rx_chains_num = 1; + hw_params(priv).rx_chains_num = 1; else - priv->hw_params.rx_chains_num = + hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); - priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; - priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant; + hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant; iwl6000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ /* Set initial calibration set */ - priv->hw_params.sens = &iwl6000_sensitivity; - priv->hw_params.calib_init_cfg = + hw_params(priv).sens = &iwl6000_sensitivity; + hw_params(priv).calib_init_cfg = BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | BIT(IWL_CALIB_BASE_BAND); if (priv->cfg->need_dc_calib) - priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; + hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX; if (priv->cfg->need_temp_offset_calib) - priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); + hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET); - priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; + hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS; return 0; } @@ -253,7 +253,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, return -EFAULT; } - return trans_send_cmd(&priv->trans, &hcmd); + return iwl_trans_send_cmd(trans(priv), &hcmd); } static struct iwl_lib_ops iwl6000_lib = { @@ -270,7 +270,7 @@ static struct iwl_lib_ops iwl6000_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, - .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, + .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, }, .temperature = iwlagn_temperature, }; @@ -292,7 +292,7 @@ static struct iwl_lib_ops iwl6030_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, - .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, + .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, }, .temperature = iwlagn_temperature, }; @@ -365,8 +365,9 @@ static struct iwl_bt_params iwl6000_bt_params = { }; #define IWL_DEVICE_6005 \ - .fw_name_pre = IWL6005_FW_PRE, \ + .fw_name_pre = IWL6005_FW_PRE, \ .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ + .ucode_api_ok = IWL6000G2_UCODE_API_OK, \ .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \ @@ -392,9 +393,16 @@ struct iwl_cfg iwl6005_2bg_cfg = { IWL_DEVICE_6005, }; +struct iwl_cfg iwl6005_2agn_sff_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6205S AGN", + IWL_DEVICE_6005, + .ht_params = &iwl6000_ht_params, +}; + #define IWL_DEVICE_6030 \ - .fw_name_pre = IWL6030_FW_PRE, \ + .fw_name_pre = IWL6030_FW_PRE, \ .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ + .ucode_api_ok = IWL6000G2_UCODE_API_OK, \ .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index 72d6297602b8..b725f6970dee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -93,12 +93,12 @@ int iwl_send_calib_results(struct iwl_priv *priv) }; for (i = 0; i < IWL_CALIB_MAX; i++) { - if ((BIT(i) & priv->hw_params.calib_init_cfg) && + if ((BIT(i) & hw_params(priv).calib_init_cfg) && priv->calib_results[i].buf) { hcmd.len[0] = priv->calib_results[i].buf_len; hcmd.data[0] = priv->calib_results[i].buf; hcmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; - ret = trans_send_cmd(&priv->trans, &hcmd); + ret = iwl_trans_send_cmd(trans(priv), &hcmd); if (ret) { IWL_ERR(priv, "Error %d iteration %d\n", ret, i); @@ -174,7 +174,7 @@ static int iwl_sens_energy_cck(struct iwl_priv *priv, u32 max_false_alarms = MAX_FA_CCK * rx_enable_time; u32 min_false_alarms = MIN_FA_CCK * rx_enable_time; struct iwl_sensitivity_data *data = NULL; - const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens; + const struct iwl_sensitivity_ranges *ranges = hw_params(priv).sens; data = &(priv->sensitivity_data); @@ -357,7 +357,7 @@ static int iwl_sens_auto_corr_ofdm(struct iwl_priv *priv, u32 max_false_alarms = MAX_FA_OFDM * rx_enable_time; u32 min_false_alarms = MIN_FA_OFDM * rx_enable_time; struct iwl_sensitivity_data *data = NULL; - const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens; + const struct iwl_sensitivity_ranges *ranges = hw_params(priv).sens; data = &(priv->sensitivity_data); @@ -484,7 +484,7 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) memcpy(&(priv->sensitivity_tbl[0]), &(cmd.table[0]), sizeof(u16)*HD_TABLE_SIZE); - return trans_send_cmd(&priv->trans, &cmd_out); + return iwl_trans_send_cmd(trans(priv), &cmd_out); } /* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ @@ -505,28 +505,53 @@ static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.enhance_table[0]); - cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = - HD_INA_NON_SQUARE_DET_OFDM_DATA; - cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = - HD_INA_NON_SQUARE_DET_CCK_DATA; - cmd.enhance_table[HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX] = - HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA; - cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX] = - HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA; - cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = - HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA; - cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX] = - HD_OFDM_NON_SQUARE_DET_SLOPE_DATA; - cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX] = - HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA; - cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX] = - HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA; - cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = - HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA; - cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_INDEX] = - HD_CCK_NON_SQUARE_DET_SLOPE_DATA; - cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX] = - HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA; + if (priv->cfg->base_params->hd_v2) { + cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = + HD_INA_NON_SQUARE_DET_OFDM_DATA_V2; + cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = + HD_INA_NON_SQUARE_DET_CCK_DATA_V2; + cmd.enhance_table[HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX] = + HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA_V2; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA_V2; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V2; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_DATA_V2; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA_V2; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA_V2; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V2; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_DATA_V2; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA_V2; + } else { + cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = + HD_INA_NON_SQUARE_DET_OFDM_DATA_V1; + cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = + HD_INA_NON_SQUARE_DET_CCK_DATA_V1; + cmd.enhance_table[HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX] = + HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA_V1; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA_V1; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V1; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_DATA_V1; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA_V1; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA_V1; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V1; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_DATA_V1; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA_V1; + } /* Update uCode's "work" table, and copy it to DSP */ cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; @@ -548,7 +573,7 @@ static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) &(cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX]), sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES); - return trans_send_cmd(&priv->trans, &cmd_out); + return iwl_trans_send_cmd(trans(priv), &cmd_out); } void iwl_init_sensitivity(struct iwl_priv *priv) @@ -556,7 +581,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv) int ret = 0; int i; struct iwl_sensitivity_data *data = NULL; - const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens; + const struct iwl_sensitivity_ranges *ranges = hw_params(priv).sens; if (priv->disable_sens_cal) return; @@ -633,13 +658,13 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) return; } - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); rx_info = &priv->statistics.rx_non_phy; ofdm = &priv->statistics.rx_ofdm; cck = &priv->statistics.rx_cck; if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { IWL_DEBUG_CALIB(priv, "<< invalid data.\n"); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); return; } @@ -663,7 +688,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) statis.beacon_energy_c = le32_to_cpu(rx_info->beacon_energy_c); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); IWL_DEBUG_CALIB(priv, "rx_enable_time = %u usecs\n", rx_enable_time); @@ -796,21 +821,21 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig, * To be safe, simply mask out any chains that we know * are not on the device. */ - active_chains &= priv->hw_params.valid_rx_ant; + active_chains &= hw_params(priv).valid_rx_ant; num_tx_chains = 0; for (i = 0; i < NUM_RX_CHAINS; i++) { /* loops on all the bits of * priv->hw_setting.valid_tx_ant */ u8 ant_msk = (1 << i); - if (!(priv->hw_params.valid_tx_ant & ant_msk)) + if (!(hw_params(priv).valid_tx_ant & ant_msk)) continue; num_tx_chains++; if (data->disconn_array[i] == 0) /* there is a Tx antenna connected */ break; - if (num_tx_chains == priv->hw_params.tx_chains_num && + if (num_tx_chains == hw_params(priv).tx_chains_num && data->disconn_array[i]) { /* * If all chains are disconnected @@ -827,12 +852,13 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig, } } - if (active_chains != priv->hw_params.valid_rx_ant && + if (active_chains != hw_params(priv).valid_rx_ant && active_chains != priv->chain_noise_data.active_chains) IWL_DEBUG_CALIB(priv, "Detected that not all antennas are connected! " "Connected: %#x, valid: %#x.\n", - active_chains, priv->hw_params.valid_rx_ant); + active_chains, + hw_params(priv).valid_rx_ant); /* Save for use within RXON, TX, SCAN commands, etc. */ data->active_chains = active_chains; @@ -892,7 +918,7 @@ static void iwlagn_gain_computation(struct iwl_priv *priv, priv->phy_calib_chain_noise_gain_cmd); cmd.delta_gain_1 = data->delta_gain_code[1]; cmd.delta_gain_2 = data->delta_gain_code[2]; - trans_send_cmd_pdu(&priv->trans, REPLY_PHY_CALIBRATION_CMD, + iwl_trans_send_cmd_pdu(trans(priv), REPLY_PHY_CALIBRATION_CMD, CMD_ASYNC, sizeof(cmd), &cmd); data->radio_write = 1; @@ -950,13 +976,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) return; } - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); rx_info = &priv->statistics.rx_non_phy; if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { IWL_DEBUG_CALIB(priv, " << Interference data unavailable\n"); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); return; } @@ -971,7 +997,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) if ((rxon_chnum != stat_chnum) || (rxon_band24 != stat_band24)) { IWL_DEBUG_CALIB(priv, "Stats not from chan=%d, band24=%d\n", rxon_chnum, rxon_band24); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); return; } @@ -990,7 +1016,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) chain_sig_b = le32_to_cpu(rx_info->beacon_rssi_b) & IN_BAND_FILTER; chain_sig_c = le32_to_cpu(rx_info->beacon_rssi_c) & IN_BAND_FILTER; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); data->beacon_count++; @@ -1021,7 +1047,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) priv->cfg->bt_params->advanced_bt_coexist) { /* Disable disconnected antenna algorithm for advanced bt coex, assuming valid antennas are connected */ - data->active_chains = priv->hw_params.valid_rx_ant; + data->active_chains = hw_params(priv).valid_rx_ant; for (i = 0; i < NUM_RX_CHAINS; i++) if (!(data->active_chains & (1<<i))) data->disconn_array[i] = 1; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c index b8347db850e7..c62ddc2a31bd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c @@ -195,7 +195,7 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, } static void -iwlcore_eeprom_enh_txp_read_element(struct iwl_priv *priv, +iwl_eeprom_enh_txp_read_element(struct iwl_priv *priv, struct iwl_eeprom_enhanced_txpwr *txp, s8 max_txpower_avg) { @@ -235,7 +235,7 @@ iwlcore_eeprom_enh_txp_read_element(struct iwl_priv *priv, #define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) \ ? # x " " : "") -void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv) +void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) { struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; int idx, entries; @@ -294,6 +294,6 @@ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv) if (max_txp_avg_halfdbm > priv->tx_power_lmt_in_half_dbm) priv->tx_power_lmt_in_half_dbm = max_txp_avg_halfdbm; - iwlcore_eeprom_enh_txp_read_element(priv, txp, max_txp_avg); + iwl_eeprom_enh_txp_read_element(priv, txp, max_txp_avg); } } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h index 0e5b842529c4..33951a11327d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h @@ -92,20 +92,7 @@ #define IWLAGN_CMD_FIFO_NUM 7 #define IWLAGN_NUM_QUEUES 20 -#define IWLAGN_NUM_AMPDU_QUEUES 10 -#define IWLAGN_FIRST_AMPDU_QUEUE 10 - -/* Fixed (non-configurable) rx data from phy */ - -/** - * struct iwlagn_schedq_bc_tbl scheduler byte count table - * base physical address provided by SCD_DRAM_BASE_ADDR - * @tfd_offset 0-12 - tx command byte count - * 12-16 - station index - */ -struct iwlagn_scd_bc_tbl { - __le16 tfd_offset[TFD_QUEUE_BC_SIZE]; -} __packed; - +#define IWLAGN_NUM_AMPDU_QUEUES 9 +#define IWLAGN_FIRST_AMPDU_QUEUE 11 #endif /* __iwl_agn_hw_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 3bee0f119bcd..13018872f776 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -40,449 +40,7 @@ #include "iwl-agn.h" #include "iwl-sta.h" #include "iwl-trans.h" - -static inline u32 iwlagn_get_scd_ssn(struct iwlagn_tx_resp *tx_resp) -{ - return le32_to_cpup((__le32 *)&tx_resp->status + - tx_resp->frame_count) & MAX_SN; -} - -static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status) -{ - status &= TX_STATUS_MSK; - - switch (status) { - case TX_STATUS_POSTPONE_DELAY: - priv->reply_tx_stats.pp_delay++; - break; - case TX_STATUS_POSTPONE_FEW_BYTES: - priv->reply_tx_stats.pp_few_bytes++; - break; - case TX_STATUS_POSTPONE_BT_PRIO: - priv->reply_tx_stats.pp_bt_prio++; - break; - case TX_STATUS_POSTPONE_QUIET_PERIOD: - priv->reply_tx_stats.pp_quiet_period++; - break; - case TX_STATUS_POSTPONE_CALC_TTAK: - priv->reply_tx_stats.pp_calc_ttak++; - break; - case TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY: - priv->reply_tx_stats.int_crossed_retry++; - break; - case TX_STATUS_FAIL_SHORT_LIMIT: - priv->reply_tx_stats.short_limit++; - break; - case TX_STATUS_FAIL_LONG_LIMIT: - priv->reply_tx_stats.long_limit++; - break; - case TX_STATUS_FAIL_FIFO_UNDERRUN: - priv->reply_tx_stats.fifo_underrun++; - break; - case TX_STATUS_FAIL_DRAIN_FLOW: - priv->reply_tx_stats.drain_flow++; - break; - case TX_STATUS_FAIL_RFKILL_FLUSH: - priv->reply_tx_stats.rfkill_flush++; - break; - case TX_STATUS_FAIL_LIFE_EXPIRE: - priv->reply_tx_stats.life_expire++; - break; - case TX_STATUS_FAIL_DEST_PS: - priv->reply_tx_stats.dest_ps++; - break; - case TX_STATUS_FAIL_HOST_ABORTED: - priv->reply_tx_stats.host_abort++; - break; - case TX_STATUS_FAIL_BT_RETRY: - priv->reply_tx_stats.bt_retry++; - break; - case TX_STATUS_FAIL_STA_INVALID: - priv->reply_tx_stats.sta_invalid++; - break; - case TX_STATUS_FAIL_FRAG_DROPPED: - priv->reply_tx_stats.frag_drop++; - break; - case TX_STATUS_FAIL_TID_DISABLE: - priv->reply_tx_stats.tid_disable++; - break; - case TX_STATUS_FAIL_FIFO_FLUSHED: - priv->reply_tx_stats.fifo_flush++; - break; - case TX_STATUS_FAIL_INSUFFICIENT_CF_POLL: - priv->reply_tx_stats.insuff_cf_poll++; - break; - case TX_STATUS_FAIL_PASSIVE_NO_RX: - priv->reply_tx_stats.fail_hw_drop++; - break; - case TX_STATUS_FAIL_NO_BEACON_ON_RADAR: - priv->reply_tx_stats.sta_color_mismatch++; - break; - default: - priv->reply_tx_stats.unknown++; - break; - } -} - -static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status) -{ - status &= AGG_TX_STATUS_MSK; - - switch (status) { - case AGG_TX_STATE_UNDERRUN_MSK: - priv->reply_agg_tx_stats.underrun++; - break; - case AGG_TX_STATE_BT_PRIO_MSK: - priv->reply_agg_tx_stats.bt_prio++; - break; - case AGG_TX_STATE_FEW_BYTES_MSK: - priv->reply_agg_tx_stats.few_bytes++; - break; - case AGG_TX_STATE_ABORT_MSK: - priv->reply_agg_tx_stats.abort++; - break; - case AGG_TX_STATE_LAST_SENT_TTL_MSK: - priv->reply_agg_tx_stats.last_sent_ttl++; - break; - case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK: - priv->reply_agg_tx_stats.last_sent_try++; - break; - case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK: - priv->reply_agg_tx_stats.last_sent_bt_kill++; - break; - case AGG_TX_STATE_SCD_QUERY_MSK: - priv->reply_agg_tx_stats.scd_query++; - break; - case AGG_TX_STATE_TEST_BAD_CRC32_MSK: - priv->reply_agg_tx_stats.bad_crc32++; - break; - case AGG_TX_STATE_RESPONSE_MSK: - priv->reply_agg_tx_stats.response++; - break; - case AGG_TX_STATE_DUMP_TX_MSK: - priv->reply_agg_tx_stats.dump_tx++; - break; - case AGG_TX_STATE_DELAY_TX_MSK: - priv->reply_agg_tx_stats.delay_tx++; - break; - default: - priv->reply_agg_tx_stats.unknown++; - break; - } -} - -static void iwlagn_set_tx_status(struct iwl_priv *priv, - struct ieee80211_tx_info *info, - struct iwl_rxon_context *ctx, - struct iwlagn_tx_resp *tx_resp, - int txq_id, bool is_agg) -{ - u16 status = le16_to_cpu(tx_resp->status.status); - - info->status.rates[0].count = tx_resp->failure_frame + 1; - if (is_agg) - info->flags &= ~IEEE80211_TX_CTL_AMPDU; - info->flags |= iwl_tx_status_to_mac80211(status); - iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags), - info); - if (!iwl_is_tx_success(status)) - iwlagn_count_tx_err_status(priv, status); - - if (status == TX_STATUS_FAIL_PASSIVE_NO_RX && - iwl_is_associated_ctx(ctx) && ctx->vif && - ctx->vif->type == NL80211_IFTYPE_STATION) { - ctx->last_tx_rejected = true; - iwl_stop_queue(priv, &priv->txq[txq_id]); - } - - IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) rate_n_flags " - "0x%x retries %d\n", - txq_id, - iwl_get_tx_fail_reason(status), status, - le32_to_cpu(tx_resp->rate_n_flags), - tx_resp->failure_frame); -} - -#ifdef CONFIG_IWLWIFI_DEBUG -#define AGG_TX_STATE_FAIL(x) case AGG_TX_STATE_ ## x: return #x - -const char *iwl_get_agg_tx_fail_reason(u16 status) -{ - status &= AGG_TX_STATUS_MSK; - switch (status) { - case AGG_TX_STATE_TRANSMITTED: - return "SUCCESS"; - AGG_TX_STATE_FAIL(UNDERRUN_MSK); - AGG_TX_STATE_FAIL(BT_PRIO_MSK); - AGG_TX_STATE_FAIL(FEW_BYTES_MSK); - AGG_TX_STATE_FAIL(ABORT_MSK); - AGG_TX_STATE_FAIL(LAST_SENT_TTL_MSK); - AGG_TX_STATE_FAIL(LAST_SENT_TRY_CNT_MSK); - AGG_TX_STATE_FAIL(LAST_SENT_BT_KILL_MSK); - AGG_TX_STATE_FAIL(SCD_QUERY_MSK); - AGG_TX_STATE_FAIL(TEST_BAD_CRC32_MSK); - AGG_TX_STATE_FAIL(RESPONSE_MSK); - AGG_TX_STATE_FAIL(DUMP_TX_MSK); - AGG_TX_STATE_FAIL(DELAY_TX_MSK); - } - - return "UNKNOWN"; -} -#endif /* CONFIG_IWLWIFI_DEBUG */ - -static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv, - struct iwl_ht_agg *agg, - struct iwlagn_tx_resp *tx_resp, - int txq_id, u16 start_idx) -{ - u16 status; - struct agg_tx_status *frame_status = &tx_resp->status; - struct ieee80211_hdr *hdr = NULL; - int i, sh, idx; - u16 seq; - - if (agg->wait_for_ba) - IWL_DEBUG_TX_REPLY(priv, "got tx response w/o block-ack\n"); - - agg->frame_count = tx_resp->frame_count; - agg->start_idx = start_idx; - agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags); - agg->bitmap = 0; - - /* # frames attempted by Tx command */ - if (agg->frame_count == 1) { - struct iwl_tx_info *txb; - - /* Only one frame was attempted; no block-ack will arrive */ - idx = start_idx; - - IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, StartIdx=%d idx=%d\n", - agg->frame_count, agg->start_idx, idx); - txb = &priv->txq[txq_id].txb[idx]; - iwlagn_set_tx_status(priv, IEEE80211_SKB_CB(txb->skb), - txb->ctx, tx_resp, txq_id, true); - agg->wait_for_ba = 0; - } else { - /* Two or more frames were attempted; expect block-ack */ - u64 bitmap = 0; - - /* - * Start is the lowest frame sent. It may not be the first - * frame in the batch; we figure this out dynamically during - * the following loop. - */ - int start = agg->start_idx; - - /* Construct bit-map of pending frames within Tx window */ - for (i = 0; i < agg->frame_count; i++) { - u16 sc; - status = le16_to_cpu(frame_status[i].status); - seq = le16_to_cpu(frame_status[i].sequence); - idx = SEQ_TO_INDEX(seq); - txq_id = SEQ_TO_QUEUE(seq); - - if (status & AGG_TX_STATUS_MSK) - iwlagn_count_agg_tx_err_status(priv, status); - - if (status & (AGG_TX_STATE_FEW_BYTES_MSK | - AGG_TX_STATE_ABORT_MSK)) - continue; - - IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, txq_id=%d idx=%d\n", - agg->frame_count, txq_id, idx); - IWL_DEBUG_TX_REPLY(priv, "status %s (0x%08x), " - "try-count (0x%08x)\n", - iwl_get_agg_tx_fail_reason(status), - status & AGG_TX_STATUS_MSK, - status & AGG_TX_TRY_MSK); - - hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx); - if (!hdr) { - IWL_ERR(priv, - "BUG_ON idx doesn't point to valid skb" - " idx=%d, txq_id=%d\n", idx, txq_id); - return -1; - } - - sc = le16_to_cpu(hdr->seq_ctrl); - if (idx != (SEQ_TO_SN(sc) & 0xff)) { - IWL_ERR(priv, - "BUG_ON idx doesn't match seq control" - " idx=%d, seq_idx=%d, seq=%d\n", - idx, SEQ_TO_SN(sc), - hdr->seq_ctrl); - return -1; - } - - IWL_DEBUG_TX_REPLY(priv, "AGG Frame i=%d idx %d seq=%d\n", - i, idx, SEQ_TO_SN(sc)); - - /* - * sh -> how many frames ahead of the starting frame is - * the current one? - * - * Note that all frames sent in the batch must be in a - * 64-frame window, so this number should be in [0,63]. - * If outside of this window, then we've found a new - * "first" frame in the batch and need to change start. - */ - sh = idx - start; - - /* - * If >= 64, out of window. start must be at the front - * of the circular buffer, idx must be near the end of - * the buffer, and idx is the new "first" frame. Shift - * the indices around. - */ - if (sh >= 64) { - /* Shift bitmap by start - idx, wrapped */ - sh = 0x100 - idx + start; - bitmap = bitmap << sh; - /* Now idx is the new start so sh = 0 */ - sh = 0; - start = idx; - /* - * If <= -64 then wraps the 256-pkt circular buffer - * (e.g., start = 255 and idx = 0, sh should be 1) - */ - } else if (sh <= -64) { - sh = 0x100 - start + idx; - /* - * If < 0 but > -64, out of window. idx is before start - * but not wrapped. Shift the indices around. - */ - } else if (sh < 0) { - /* Shift by how far start is ahead of idx */ - sh = start - idx; - bitmap = bitmap << sh; - /* Now idx is the new start so sh = 0 */ - start = idx; - sh = 0; - } - /* Sequence number start + sh was sent in this batch */ - bitmap |= 1ULL << sh; - IWL_DEBUG_TX_REPLY(priv, "start=%d bitmap=0x%llx\n", - start, (unsigned long long)bitmap); - } - - /* - * Store the bitmap and possibly the new start, if we wrapped - * the buffer above - */ - agg->bitmap = bitmap; - agg->start_idx = start; - IWL_DEBUG_TX_REPLY(priv, "Frames %d start_idx=%d bitmap=0x%llx\n", - agg->frame_count, agg->start_idx, - (unsigned long long)agg->bitmap); - - if (bitmap) - agg->wait_for_ba = 1; - } - return 0; -} - -void iwl_check_abort_status(struct iwl_priv *priv, - u8 frame_count, u32 status) -{ - if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) { - IWL_ERR(priv, "Tx flush command to flush out all frames\n"); - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - queue_work(priv->workqueue, &priv->tx_flush); - } -} - -void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - u16 sequence = le16_to_cpu(pkt->hdr.sequence); - int txq_id = SEQ_TO_QUEUE(sequence); - int index = SEQ_TO_INDEX(sequence); - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct ieee80211_tx_info *info; - struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; - struct ieee80211_hdr *hdr; - struct iwl_tx_info *txb; - u32 status = le16_to_cpu(tx_resp->status.status); - int tid; - int sta_id; - int freed; - unsigned long flags; - - if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) { - IWL_ERR(priv, "%s: Read index for DMA queue txq_id (%d) " - "index %d is out of range [0-%d] %d %d\n", __func__, - txq_id, index, txq->q.n_bd, txq->q.write_ptr, - txq->q.read_ptr); - return; - } - - txq->time_stamp = jiffies; - txb = &txq->txb[txq->q.read_ptr]; - info = IEEE80211_SKB_CB(txb->skb); - memset(&info->status, 0, sizeof(info->status)); - - tid = (tx_resp->ra_tid & IWLAGN_TX_RES_TID_MSK) >> - IWLAGN_TX_RES_TID_POS; - sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> - IWLAGN_TX_RES_RA_POS; - - spin_lock_irqsave(&priv->sta_lock, flags); - - hdr = (void *)txb->skb->data; - if (!ieee80211_is_data_qos(hdr->frame_control)) - priv->last_seq_ctl = tx_resp->seq_ctl; - - if (txq->sched_retry) { - const u32 scd_ssn = iwlagn_get_scd_ssn(tx_resp); - struct iwl_ht_agg *agg; - - agg = &priv->stations[sta_id].tid[tid].agg; - /* - * If the BT kill count is non-zero, we'll get this - * notification again. - */ - if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 && - priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { - IWL_DEBUG_COEX(priv, "receive reply tx with bt_kill\n"); - } - iwlagn_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index); - - /* check if BAR is needed */ - if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) - info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; - - if (txq->q.read_ptr != (scd_ssn & 0xff)) { - index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); - IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim " - "scd_ssn=%d idx=%d txq=%d swq=%d\n", - scd_ssn , index, txq_id, txq->swq_id); - - freed = iwlagn_tx_queue_reclaim(priv, txq_id, index); - iwl_free_tfds_in_queue(priv, sta_id, tid, freed); - - if (priv->mac80211_registered && - (iwl_queue_space(&txq->q) > txq->q.low_mark) && - (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) - iwl_wake_queue(priv, txq); - } - } else { - iwlagn_set_tx_status(priv, info, txb->ctx, tx_resp, - txq_id, false); - freed = iwlagn_tx_queue_reclaim(priv, txq_id, index); - iwl_free_tfds_in_queue(priv, sta_id, tid, freed); - - if (priv->mac80211_registered && - iwl_queue_space(&txq->q) > txq->q.low_mark && - status != TX_STATUS_FAIL_PASSIVE_NO_RX) - iwl_wake_queue(priv, txq); - } - - iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); - - iwl_check_abort_status(priv, tx_resp->frame_count, status); - spin_unlock_irqrestore(&priv->sta_lock, flags); -} +#include "iwl-shared.h" int iwlagn_hw_valid_rtc_data_addr(u32 addr) { @@ -495,7 +53,7 @@ int iwlagn_send_tx_power(struct iwl_priv *priv) struct iwlagn_tx_power_dbm_cmd tx_power_cmd; u8 tx_ant_cfg_cmd; - if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), + if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->shrd->status), "TX Power requested while scanning!\n")) return -EAGAIN; @@ -525,7 +83,7 @@ int iwlagn_send_tx_power(struct iwl_priv *priv) else tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD; - return trans_send_cmd_pdu(&priv->trans, tx_ant_cfg_cmd, CMD_SYNC, + return iwl_trans_send_cmd_pdu(trans(priv), tx_ant_cfg_cmd, CMD_SYNC, sizeof(tx_power_cmd), &tx_power_cmd); } @@ -609,6 +167,9 @@ struct iwl_mod_params iwlagn_mod_params = { .bt_coex_active = true, .no_sleep_autoadjust = true, .power_level = IWL_POWER_INDEX_1, + .bt_ch_announce = true, + .wanted_ucode_alternative = 1, + .auto_agg = true, /* the rest are 0 by default */ }; @@ -753,18 +314,6 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, return added; } -static int iwl_fill_offch_tx(struct iwl_priv *priv, void *data, size_t maxlen) -{ - struct sk_buff *skb = priv->offchan_tx_skb; - - if (skb->len < maxlen) - maxlen = skb->len; - - memcpy(data, skb->data, maxlen); - - return maxlen; -} - int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) { struct iwl_host_cmd cmd = { @@ -779,15 +328,15 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) u16 rx_chain = 0; enum ieee80211_band band; u8 n_probes = 0; - u8 rx_ant = priv->hw_params.valid_rx_ant; + u8 rx_ant = hw_params(priv).valid_rx_ant; u8 rate; bool is_active = false; int chan_mod; u8 active_chains; - u8 scan_tx_antennas = priv->hw_params.valid_tx_ant; + u8 scan_tx_antennas = hw_params(priv).valid_tx_ant; int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (vif) ctx = iwl_rxon_ctx_from_vif(vif); @@ -807,7 +356,7 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH; scan->quiet_time = IWL_ACTIVE_QUIET_TIME; - if (priv->scan_type != IWL_SCAN_OFFCH_TX && + if (priv->scan_type != IWL_SCAN_ROC && iwl_is_any_associated(priv)) { u16 interval = 0; u32 extra; @@ -816,7 +365,7 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) IWL_DEBUG_INFO(priv, "Scanning while associated...\n"); switch (priv->scan_type) { - case IWL_SCAN_OFFCH_TX: + case IWL_SCAN_ROC: WARN_ON(1); break; case IWL_SCAN_RADIO_RESET: @@ -838,10 +387,11 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->suspend_time = cpu_to_le32(scan_suspend_time); IWL_DEBUG_SCAN(priv, "suspend_time 0x%X beacon interval %d\n", scan_suspend_time, interval); - } else if (priv->scan_type == IWL_SCAN_OFFCH_TX) { + } else if (priv->scan_type == IWL_SCAN_ROC) { scan->suspend_time = 0; - scan->max_out_time = - cpu_to_le32(1024 * priv->offchan_tx_timeout); + scan->max_out_time = 0; + scan->quiet_time = 0; + scan->quiet_plcp_th = 0; } switch (priv->scan_type) { @@ -869,8 +419,8 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) } else IWL_DEBUG_SCAN(priv, "Start passive scan.\n"); break; - case IWL_SCAN_OFFCH_TX: - IWL_DEBUG_SCAN(priv, "Start offchannel TX scan.\n"); + case IWL_SCAN_ROC: + IWL_DEBUG_SCAN(priv, "Start ROC scan.\n"); break; } @@ -953,7 +503,7 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags); /* In power save mode use one chain, otherwise use all chains */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { + if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) { /* rx_ant has been set to all valid chains previously */ active_chains = rx_ant & ((u8)(priv->chain_noise_data.active_chains)); @@ -973,7 +523,8 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) } /* MIMO is not used here, but value is required */ - rx_chain |= priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS; + rx_chain |= + hw_params(priv).valid_rx_ant << RXON_RX_CHAIN_VALID_POS; rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS; rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS; rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS; @@ -988,19 +539,13 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) IWL_MAX_SCAN_SIZE - sizeof(*scan)); break; case IWL_SCAN_RADIO_RESET: + case IWL_SCAN_ROC: /* use bcast addr, will not be transmitted but must be valid */ cmd_len = iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, iwl_bcast_addr, NULL, 0, IWL_MAX_SCAN_SIZE - sizeof(*scan)); break; - case IWL_SCAN_OFFCH_TX: - cmd_len = iwl_fill_offch_tx(priv, scan->data, - IWL_MAX_SCAN_SIZE - - sizeof(*scan) - - sizeof(struct iwl_scan_channel)); - scan->scan_flags |= IWL_SCAN_FLAGS_ACTION_FRAME_TX; - break; default: BUG(); } @@ -1021,18 +566,18 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) is_active, n_probes, (void *)&scan->data[cmd_len]); break; - case IWL_SCAN_OFFCH_TX: { + case IWL_SCAN_ROC: { struct iwl_scan_channel *scan_ch; scan->channel_count = 1; scan_ch = (void *)&scan->data[cmd_len]; - scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE; + scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE; scan_ch->channel = - cpu_to_le16(priv->offchan_tx_chan->hw_value); + cpu_to_le16(priv->hw_roc_channel->hw_value); scan_ch->active_dwell = - cpu_to_le16(priv->offchan_tx_timeout); - scan_ch->passive_dwell = 0; + scan_ch->passive_dwell = + cpu_to_le16(priv->hw_roc_duration); /* Set txpower levels to defaults */ scan_ch->dsp_atten = 110; @@ -1041,7 +586,7 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) * power level: * scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3; */ - if (priv->offchan_tx_chan->band == IEEE80211_BAND_5GHZ) + if (priv->hw_roc_channel->band == IEEE80211_BAND_5GHZ) scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3; else scan_ch->tx_gain = ((1 << 5) | (5 << 3)); @@ -1061,15 +606,15 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->len = cpu_to_le16(cmd.len[0]); /* set scan bit here for PAN params */ - set_bit(STATUS_SCAN_HW, &priv->status); + set_bit(STATUS_SCAN_HW, &priv->shrd->status); ret = iwlagn_set_pan_params(priv); if (ret) return ret; - ret = trans_send_cmd(&priv->trans, &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); if (ret) { - clear_bit(STATUS_SCAN_HW, &priv->status); + clear_bit(STATUS_SCAN_HW, &priv->shrd->status); iwlagn_set_pan_params(priv); } @@ -1089,52 +634,6 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv, vif->bss_conf.bssid); } -void iwl_free_tfds_in_queue(struct iwl_priv *priv, - int sta_id, int tid, int freed) -{ - lockdep_assert_held(&priv->sta_lock); - - if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed) - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; - else { - IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n", - priv->stations[sta_id].tid[tid].tfds_in_queue, - freed); - priv->stations[sta_id].tid[tid].tfds_in_queue = 0; - } -} - -#define IWL_FLUSH_WAIT_MS 2000 - -int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv) -{ - struct iwl_tx_queue *txq; - struct iwl_queue *q; - int cnt; - unsigned long now = jiffies; - int ret = 0; - - /* waiting for all the tx frames complete might take a while */ - for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { - if (cnt == priv->cmd_queue) - continue; - txq = &priv->txq[cnt]; - q = &txq->q; - while (q->read_ptr != q->write_ptr && !time_after(jiffies, - now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS))) - msleep(1); - - if (q->read_ptr != q->write_ptr) { - IWL_ERR(priv, "fail to flush all tx fifo queues\n"); - ret = -ETIMEDOUT; - break; - } - } - return ret; -} - -#define IWL_TX_QUEUE_MSK 0xfffff - /** * iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode * @@ -1160,7 +659,7 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control) IWL_SCD_BE_MSK | IWL_SCD_BK_MSK | IWL_SCD_MGMT_MSK; if ((flush_control & BIT(IWL_RXON_CTX_PAN)) && - (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))) + (priv->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS))) flush_cmd.fifo_control |= IWL_PAN_SCD_VO_MSK | IWL_PAN_SCD_VI_MSK | IWL_PAN_SCD_BE_MSK | IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK | @@ -1173,22 +672,22 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control) flush_cmd.fifo_control); flush_cmd.flush_control = cpu_to_le16(flush_control); - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control) { - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); ieee80211_stop_queues(priv->hw); if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { IWL_ERR(priv, "flush request fail\n"); goto done; } IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n"); - iwlagn_wait_tx_queue_empty(priv); + iwl_trans_wait_tx_queue_empty(trans(priv)); done: ieee80211_wake_queues(priv->hw); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } /* @@ -1367,12 +866,12 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) if (priv->cfg->bt_params->bt_session_2) { memcpy(&bt_cmd_2000.basic, &basic, sizeof(basic)); - ret = trans_send_cmd_pdu(&priv->trans, REPLY_BT_CONFIG, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, CMD_SYNC, sizeof(bt_cmd_2000), &bt_cmd_2000); } else { memcpy(&bt_cmd_6000.basic, &basic, sizeof(basic)); - ret = trans_send_cmd_pdu(&priv->trans, REPLY_BT_CONFIG, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, CMD_SYNC, sizeof(bt_cmd_6000), &bt_cmd_6000); } if (ret) @@ -1385,7 +884,7 @@ void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena) struct iwl_rxon_context *ctx, *found_ctx = NULL; bool found_ap = false; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* Check whether AP or GO mode is active. */ if (rssi_ena) { @@ -1498,7 +997,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) break; } - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); /* * We can not send command to firmware while scanning. When the scan @@ -1507,7 +1006,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) * STATUS_SCANNING to avoid race when queue_work two times from * different notifications, but quit and not perform any work at all. */ - if (test_bit(STATUS_SCAN_HW, &priv->status)) + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) goto out; iwl_update_chain_flags(priv); @@ -1526,7 +1025,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) */ iwlagn_bt_coex_rssi_monitor(priv); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } /* @@ -1633,7 +1132,7 @@ static void iwlagn_set_kill_msk(struct iwl_priv *priv, priv->kill_cts_mask = bt_kill_cts_msg[kill_msk]; /* schedule to send runtime bt_config */ - queue_work(priv->workqueue, &priv->bt_runtime_config); + queue_work(priv->shrd->workqueue, &priv->bt_runtime_config); } } @@ -1677,7 +1176,7 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, IWL_BT_COEX_TRAFFIC_LOAD_NONE; } priv->bt_status = coex->bt_status; - queue_work(priv->workqueue, + queue_work(priv->shrd->workqueue, &priv->bt_traffic_change_work); } } @@ -1686,9 +1185,9 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, /* FIXME: based on notification, adjust the prio_boost */ - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); priv->bt_ci_compliance = coex->bt_ci_compliance; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); } void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv) @@ -1788,7 +1287,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap) void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { bool is_single = is_single_rx_stream(priv); - bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); + bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->shrd->status); u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt; u32 active_chains; u16 rx_chain; @@ -1800,7 +1299,7 @@ void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (priv->chain_noise_data.active_chains) active_chains = priv->chain_noise_data.active_chains; else - active_chains = priv->hw_params.valid_rx_ant; + active_chains = hw_params(priv).valid_rx_ant; if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && @@ -1865,136 +1364,6 @@ u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid) return ant; } -static const char *get_csr_string(int cmd) -{ - switch (cmd) { - IWL_CMD(CSR_HW_IF_CONFIG_REG); - IWL_CMD(CSR_INT_COALESCING); - IWL_CMD(CSR_INT); - IWL_CMD(CSR_INT_MASK); - IWL_CMD(CSR_FH_INT_STATUS); - IWL_CMD(CSR_GPIO_IN); - IWL_CMD(CSR_RESET); - IWL_CMD(CSR_GP_CNTRL); - IWL_CMD(CSR_HW_REV); - IWL_CMD(CSR_EEPROM_REG); - IWL_CMD(CSR_EEPROM_GP); - IWL_CMD(CSR_OTP_GP_REG); - IWL_CMD(CSR_GIO_REG); - IWL_CMD(CSR_GP_UCODE_REG); - IWL_CMD(CSR_GP_DRIVER_REG); - IWL_CMD(CSR_UCODE_DRV_GP1); - IWL_CMD(CSR_UCODE_DRV_GP2); - IWL_CMD(CSR_LED_REG); - IWL_CMD(CSR_DRAM_INT_TBL_REG); - IWL_CMD(CSR_GIO_CHICKEN_BITS); - IWL_CMD(CSR_ANA_PLL_CFG); - IWL_CMD(CSR_HW_REV_WA_REG); - IWL_CMD(CSR_DBG_HPET_MEM_REG); - default: - return "UNKNOWN"; - } -} - -void iwl_dump_csr(struct iwl_priv *priv) -{ - int i; - static const u32 csr_tbl[] = { - CSR_HW_IF_CONFIG_REG, - CSR_INT_COALESCING, - CSR_INT, - CSR_INT_MASK, - CSR_FH_INT_STATUS, - CSR_GPIO_IN, - CSR_RESET, - CSR_GP_CNTRL, - CSR_HW_REV, - CSR_EEPROM_REG, - CSR_EEPROM_GP, - CSR_OTP_GP_REG, - CSR_GIO_REG, - CSR_GP_UCODE_REG, - CSR_GP_DRIVER_REG, - CSR_UCODE_DRV_GP1, - CSR_UCODE_DRV_GP2, - CSR_LED_REG, - CSR_DRAM_INT_TBL_REG, - CSR_GIO_CHICKEN_BITS, - CSR_ANA_PLL_CFG, - CSR_HW_REV_WA_REG, - CSR_DBG_HPET_MEM_REG - }; - IWL_ERR(priv, "CSR values:\n"); - IWL_ERR(priv, "(2nd byte of CSR_INT_COALESCING is " - "CSR_INT_PERIODIC_REG)\n"); - for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { - IWL_ERR(priv, " %25s: 0X%08x\n", - get_csr_string(csr_tbl[i]), - iwl_read32(priv, csr_tbl[i])); - } -} - -static const char *get_fh_string(int cmd) -{ - switch (cmd) { - IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); - IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); - IWL_CMD(FH_RSCSR_CHNL0_WPTR); - IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); - IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); - IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); - IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); - IWL_CMD(FH_TSSR_TX_STATUS_REG); - IWL_CMD(FH_TSSR_TX_ERROR_REG); - default: - return "UNKNOWN"; - } -} - -int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display) -{ - int i; -#ifdef CONFIG_IWLWIFI_DEBUG - int pos = 0; - size_t bufsz = 0; -#endif - static const u32 fh_tbl[] = { - FH_RSCSR_CHNL0_STTS_WPTR_REG, - FH_RSCSR_CHNL0_RBDCB_BASE_REG, - FH_RSCSR_CHNL0_WPTR, - FH_MEM_RCSR_CHNL0_CONFIG_REG, - FH_MEM_RSSR_SHARED_CTRL_REG, - FH_MEM_RSSR_RX_STATUS_REG, - FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, - FH_TSSR_TX_STATUS_REG, - FH_TSSR_TX_ERROR_REG - }; -#ifdef CONFIG_IWLWIFI_DEBUG - if (display) { - bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - pos += scnprintf(*buf + pos, bufsz - pos, - "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - pos += scnprintf(*buf + pos, bufsz - pos, - " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(priv, fh_tbl[i])); - } - return pos; - } -#endif - IWL_ERR(priv, "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - IWL_ERR(priv, " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(priv, fh_tbl[i])); - } - return 0; -} - /* notification wait support */ void iwlagn_init_notification_wait(struct iwl_priv *priv, struct iwl_notification_wait *wait_entry, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 3789ff4bf53b..ffee15ba06a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -27,7 +27,6 @@ #include <linux/init.h> #include <linux/skbuff.h> #include <linux/slab.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/netdevice.h> @@ -298,10 +297,10 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, u8 *qc = ieee80211_get_qos_ctl(hdr); tid = qc[0] & 0xf; } else - return MAX_TID_COUNT; + return IWL_MAX_TID_COUNT; if (unlikely(tid >= TID_MAX_LOAD_COUNT)) - return MAX_TID_COUNT; + return IWL_MAX_TID_COUNT; tl = &lq_data->load[tid]; @@ -314,7 +313,7 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, tl->queue_count = 1; tl->head = 0; tl->packet_count[0] = 1; - return MAX_TID_COUNT; + return IWL_MAX_TID_COUNT; } time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time); @@ -421,7 +420,7 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv, load = rs_tl_get_load(lq_data, tid); - if (load > IWL_AGG_LOAD_THRESHOLD) { + if ((iwlagn_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) { IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n", sta->addr, tid); ret = ieee80211_start_tx_ba_session(sta, tid, 5000); @@ -820,7 +819,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, if (num_of_ant(tbl->ant_type) > 1) tbl->ant_type = - first_antenna(priv->hw_params.valid_tx_ant); + first_antenna(hw_params(priv).valid_tx_ant); tbl->is_ht40 = 0; tbl->is_SGI = 0; @@ -878,12 +877,12 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, * Is there a need to switch between * full concurrency and 3-wire? */ - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); if (priv->bt_ci_compliance && priv->bt_ant_couple_ok) full_concurrent = true; else full_concurrent = false; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); } if ((priv->bt_traffic_load != priv->last_bt_traffic_load) || (priv->bt_full_concurrent != full_concurrent)) { @@ -894,7 +893,7 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, rs_fill_link_cmd(priv, lq_sta, tbl->current_rate); iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false); - queue_work(priv->workqueue, &priv->bt_full_concurrency); + queue_work(priv->shrd->workqueue, &priv->bt_full_concurrency); } } @@ -1294,7 +1293,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, return -1; /* Need both Tx chains/antennas to support MIMO */ - if (priv->hw_params.tx_chains_num < 2) + if (hw_params(priv).tx_chains_num < 2) return -1; IWL_DEBUG_RATE(priv, "LQ: try to switch to MIMO2\n"); @@ -1350,7 +1349,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv, return -1; /* Need both Tx chains/antennas to support MIMO */ - if (priv->hw_params.tx_chains_num < 3) + if (hw_params(priv).tx_chains_num < 3) return -1; IWL_DEBUG_RATE(priv, "LQ: try to switch to MIMO3\n"); @@ -1449,8 +1448,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = priv->hw_params.valid_tx_ant; - u8 tx_chains_num = priv->hw_params.tx_chains_num; + u8 valid_tx_ant = hw_params(priv).valid_tx_ant; + u8 tx_chains_num = hw_params(priv).tx_chains_num; int ret = 0; u8 update_search_tbl_counter = 0; @@ -1460,14 +1459,16 @@ static int rs_move_legacy_other(struct iwl_priv *priv, break; case IWL_BT_COEX_TRAFFIC_LOAD_LOW: /* avoid antenna B unless MIMO */ - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action == IWL_LEGACY_SWITCH_ANTENNA2) tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; break; case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: /* avoid antenna B and MIMO */ - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2 && tbl->action != IWL_LEGACY_SWITCH_SISO) tbl->action = IWL_LEGACY_SWITCH_SISO; @@ -1490,7 +1491,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv, tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; else if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2) tbl->action = IWL_LEGACY_SWITCH_SISO; - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); } start_action = tbl->action; @@ -1624,8 +1626,8 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = priv->hw_params.valid_tx_ant; - u8 tx_chains_num = priv->hw_params.tx_chains_num; + u8 valid_tx_ant = hw_params(priv).valid_tx_ant; + u8 tx_chains_num = hw_params(priv).tx_chains_num; u8 update_search_tbl_counter = 0; int ret; @@ -1635,14 +1637,16 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, break; case IWL_BT_COEX_TRAFFIC_LOAD_LOW: /* avoid antenna B unless MIMO */ - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action == IWL_SISO_SWITCH_ANTENNA2) tbl->action = IWL_SISO_SWITCH_ANTENNA1; break; case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: /* avoid antenna B and MIMO */ - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action != IWL_SISO_SWITCH_ANTENNA1) tbl->action = IWL_SISO_SWITCH_ANTENNA1; break; @@ -1659,7 +1663,8 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, /* configure as 1x1 if bt full concurrency */ if (priv->bt_full_concurrent) { - valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant); + valid_tx_ant = + first_antenna(hw_params(priv).valid_tx_ant); if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2) tbl->action = IWL_SISO_SWITCH_ANTENNA1; } @@ -1795,8 +1800,8 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = priv->hw_params.valid_tx_ant; - u8 tx_chains_num = priv->hw_params.tx_chains_num; + u8 valid_tx_ant = hw_params(priv).valid_tx_ant; + u8 tx_chains_num = hw_params(priv).tx_chains_num; u8 update_search_tbl_counter = 0; int ret; @@ -1965,8 +1970,8 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = priv->hw_params.valid_tx_ant; - u8 tx_chains_num = priv->hw_params.tx_chains_num; + u8 valid_tx_ant = hw_params(priv).valid_tx_ant; + u8 tx_chains_num = hw_params(priv).tx_chains_num; int ret; u8 update_search_tbl_counter = 0; @@ -2209,7 +2214,6 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) /* * setup rate table in uCode - * return rate_n_flags as used in the table */ static void rs_update_rate_tbl(struct iwl_priv *priv, struct iwl_rxon_context *ctx, @@ -2256,7 +2260,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, u8 done_search = 0; u16 high_low; s32 sr; - u8 tid = MAX_TID_COUNT; + u8 tid = IWL_MAX_TID_COUNT; struct iwl_tid_data *tid_data; struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; struct iwl_rxon_context *ctx = sta_priv->common.ctx; @@ -2275,8 +2279,9 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, lq_sta->supp_rates = sta->supp_rates[lq_sta->band]; tid = rs_tl_add_packet(lq_sta, hdr); - if ((tid != MAX_TID_COUNT) && (lq_sta->tx_agg_tid_en & (1 << tid))) { - tid_data = &priv->stations[lq_sta->lq.sta_id].tid[tid]; + if ((tid != IWL_MAX_TID_COUNT) && + (lq_sta->tx_agg_tid_en & (1 << tid))) { + tid_data = &priv->shrd->tid_data[lq_sta->lq.sta_id][tid]; if (tid_data->agg.state == IWL_AGG_OFF) lq_sta->is_agg = 0; else @@ -2646,9 +2651,10 @@ lq_update: iwl_ht_enabled(priv)) { if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) && (lq_sta->tx_agg_tid_en & (1 << tid)) && - (tid != MAX_TID_COUNT)) { + (tid != IWL_MAX_TID_COUNT)) { + u8 sta_id = lq_sta->lq.sta_id; tid_data = - &priv->stations[lq_sta->lq.sta_id].tid[tid]; + &priv->shrd->tid_data[sta_id][tid]; if (tid_data->agg.state == IWL_AGG_OFF) { IWL_DEBUG_RATE(priv, "try to aggregate tid %d\n", @@ -2704,7 +2710,7 @@ static void rs_initialize_lq(struct iwl_priv *priv, i = lq_sta->last_txrate_idx; - valid_tx_ant = priv->hw_params.valid_tx_ant; + valid_tx_ant = hw_params(priv).valid_tx_ant; if (!lq_sta->search_better_tbl) active_tbl = lq_sta->active_tbl; @@ -2887,15 +2893,15 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i /* These values will be overridden later */ lq_sta->lq.general_params.single_stream_ant_msk = - first_antenna(priv->hw_params.valid_tx_ant); + first_antenna(hw_params(priv).valid_tx_ant); lq_sta->lq.general_params.dual_stream_ant_msk = - priv->hw_params.valid_tx_ant & - ~first_antenna(priv->hw_params.valid_tx_ant); + hw_params(priv).valid_tx_ant & + ~first_antenna(hw_params(priv).valid_tx_ant); if (!lq_sta->lq.general_params.dual_stream_ant_msk) { lq_sta->lq.general_params.dual_stream_ant_msk = ANT_AB; - } else if (num_of_ant(priv->hw_params.valid_tx_ant) == 2) { + } else if (num_of_ant(hw_params(priv).valid_tx_ant) == 2) { lq_sta->lq.general_params.dual_stream_ant_msk = - priv->hw_params.valid_tx_ant; + hw_params(priv).valid_tx_ant; } /* as default allow aggregation for all tids */ @@ -2941,7 +2947,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, if (priv && priv->bt_full_concurrent) { /* 1x1 only */ tbl_type.ant_type = - first_antenna(priv->hw_params.valid_tx_ant); + first_antenna(hw_params(priv).valid_tx_ant); } /* How many times should we repeat the initial rate? */ @@ -2973,7 +2979,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, if (priv->bt_full_concurrent) valid_tx_ant = ANT_A; else - valid_tx_ant = priv->hw_params.valid_tx_ant; + valid_tx_ant = hw_params(priv).valid_tx_ant; } /* Fill rest of rate table */ @@ -3007,7 +3013,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, if (priv && priv->bt_full_concurrent) { /* 1x1 only */ tbl_type.ant_type = - first_antenna(priv->hw_params.valid_tx_ant); + first_antenna(hw_params(priv).valid_tx_ant); } /* Indicate to uCode which entries might be MIMO. @@ -3098,7 +3104,7 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, u8 ant_sel_tx; priv = lq_sta->drv; - valid_tx_ant = priv->hw_params.valid_tx_ant; + valid_tx_ant = hw_params(priv).valid_tx_ant; if (lq_sta->dbg_fixed_rate) { ant_sel_tx = ((lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) @@ -3169,9 +3175,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, desc += sprintf(buff+desc, "fixed rate 0x%X\n", lq_sta->dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", - (priv->hw_params.valid_tx_ant & ANT_A) ? "ANT_A," : "", - (priv->hw_params.valid_tx_ant & ANT_B) ? "ANT_B," : "", - (priv->hw_params.valid_tx_ant & ANT_C) ? "ANT_C" : ""); + (hw_params(priv).valid_tx_ant & ANT_A) ? "ANT_A," : "", + (hw_params(priv).valid_tx_ant & ANT_B) ? "ANT_B," : "", + (hw_params(priv).valid_tx_ant & ANT_C) ? "ANT_C" : ""); desc += sprintf(buff+desc, "lq type %s\n", (is_legacy(tbl->lq_type)) ? "legacy" : "HT"); if (is_Ht(tbl->lq_type)) { diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index d42ef1763a71..00e6fc59e459 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -31,6 +31,7 @@ #include "iwl-agn-calib.h" #include "iwl-helpers.h" #include "iwl-trans.h" +#include "iwl-shared.h" static int iwlagn_disable_bss(struct iwl_priv *priv, struct iwl_rxon_context *ctx, @@ -40,7 +41,7 @@ static int iwlagn_disable_bss(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = trans_send_cmd_pdu(&priv->trans, ctx->rxon_cmd, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -66,7 +67,7 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; send->dev_type = RXON_DEV_TYPE_P2P; - ret = trans_send_cmd_pdu(&priv->trans, ctx->rxon_cmd, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -92,7 +93,7 @@ static int iwlagn_disconn_pan(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = trans_send_cmd_pdu(&priv->trans, ctx->rxon_cmd, CMD_SYNC, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -121,7 +122,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, ctx->qos_data.qos_active, ctx->qos_data.def_qos_parm.qos_flags); - ret = trans_send_cmd_pdu(&priv->trans, ctx->qos_cmd, CMD_SYNC, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC, sizeof(struct iwl_qosparam_cmd), &ctx->qos_data.def_qos_parm); if (ret) @@ -131,7 +132,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, static int iwlagn_update_beacon(struct iwl_priv *priv, struct ieee80211_vif *vif) { - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif); @@ -180,7 +181,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv, ctx->staging.ofdm_ht_triple_stream_basic_rates; rxon_assoc.acquisition_data = ctx->staging.acquisition_data; - ret = trans_send_cmd_pdu(&priv->trans, ctx->rxon_assoc_cmd, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd, CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc); return ret; } @@ -266,7 +267,7 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, * Associated RXON doesn't clear the station table in uCode, * so we don't need to restore stations etc. after this. */ - ret = trans_send_cmd_pdu(&priv->trans, ctx->rxon_cmd, CMD_SYNC, + ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, sizeof(struct iwl_rxon_cmd), &ctx->staging); if (ret) { IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); @@ -310,12 +311,12 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) int slot0 = 300, slot1 = 0; int ret; - if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS)) + if (priv->shrd->valid_contexts == BIT(IWL_RXON_CTX_BSS)) return 0; BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS]; ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN]; @@ -337,10 +338,10 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) cmd.slots[0].type = 0; /* BSS */ cmd.slots[1].type = 1; /* PAN */ - if (priv->hw_roc_channel) { + if (priv->hw_roc_setup) { /* both contexts must be used for this to happen */ - slot1 = priv->hw_roc_duration; - slot0 = IWL_MIN_SLOT_TIME; + slot1 = IWL_MIN_SLOT_TIME; + slot0 = 3000; } else if (ctx_bss->vif && ctx_pan->vif) { int bcnint = ctx_pan->beacon_int; int dtim = ctx_pan->vif->bss_conf.dtim_period ?: 1; @@ -362,7 +363,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) slot0 = bcnint / 2; slot1 = bcnint - slot0; - if (test_bit(STATUS_SCAN_HW, &priv->status) || + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status) || (!ctx_bss->vif->bss_conf.idle && !ctx_bss->vif->bss_conf.assoc)) { slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME; @@ -378,7 +379,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) ctx_pan->beacon_int; slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1); - if (test_bit(STATUS_SCAN_HW, &priv->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME; slot1 = IWL_MIN_SLOT_TIME; } @@ -387,7 +388,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) cmd.slots[0].width = cpu_to_le16(slot0); cmd.slots[1].width = cpu_to_le16(slot1); - ret = trans_send_cmd_pdu(&priv->trans, REPLY_WIPAN_PARAMS, CMD_SYNC, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WIPAN_PARAMS, CMD_SYNC, sizeof(cmd), &cmd); if (ret) IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret); @@ -420,12 +421,12 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return -EINVAL; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EBUSY; /* This function hardcodes a bunch of dual-mode assumptions */ @@ -434,26 +435,13 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (!ctx->is_active) return 0; + /* override BSSID if necessary due to preauth */ + if (ctx->preauth_bssid) + memcpy(ctx->staging.bssid_addr, ctx->bssid, ETH_ALEN); + /* always get timestamp with Rx frame */ ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; - if (ctx->ctxid == IWL_RXON_CTX_PAN && priv->hw_roc_channel) { - struct ieee80211_channel *chan = priv->hw_roc_channel; - - iwl_set_rxon_channel(priv, chan, ctx); - iwl_set_flags_for_band(priv, ctx, chan->band, NULL); - ctx->staging.filter_flags |= - RXON_FILTER_ASSOC_MSK | - RXON_FILTER_PROMISC_MSK | - RXON_FILTER_CTL2HOST_MSK; - ctx->staging.dev_type = RXON_DEV_TYPE_P2P; - new_assoc = true; - - if (memcmp(&ctx->staging, &ctx->active, - sizeof(ctx->staging)) == 0) - return 0; - } - /* * force CTS-to-self frames protection if RTS-CTS is not preferred * one aggregation protection method @@ -468,7 +456,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) else ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - iwl_print_rx_config_cmd(priv, ctx); + iwl_print_rx_config_cmd(priv, ctx->ctxid); ret = iwl_check_rxon_cmd(priv, ctx); if (ret) { IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n"); @@ -479,7 +467,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * receive commit_rxon request * abort any previous channel switch if still in process */ - if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) && + if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status) && (priv->switch_channel != ctx->staging.channel)) { IWL_DEBUG_11H(priv, "abort channel switch on %d\n", le16_to_cpu(priv->switch_channel)); @@ -553,14 +541,14 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) IWL_DEBUG_MAC80211(priv, "changed %#x", changed); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { + if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) { IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); goto out; } - if (!iwl_is_ready(priv)) { + if (!iwl_is_ready(priv->shrd)) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); goto out; } @@ -592,7 +580,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) goto out; } - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); for_each_context(priv, ctx) { /* Configure HT40 channels */ @@ -636,7 +624,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) ctx->vif); } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); iwl_update_bcast_stations(priv); @@ -668,7 +656,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) iwlagn_commit_rxon(priv, ctx); } out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return ret; } @@ -683,7 +671,7 @@ static void iwlagn_check_needed_chains(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *ht_cap; bool need_multiple; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); switch (vif->type) { case NL80211_IFTYPE_STATION: @@ -787,7 +775,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv) memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, priv->phy_calib_chain_noise_reset_cmd); - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_PHY_CALIBRATION_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) @@ -808,17 +796,17 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, int ret; bool force = false; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (unlikely(!iwl_is_ready(priv))) { + if (unlikely(!iwl_is_ready(priv->shrd))) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return; } if (unlikely(!ctx->vif)) { IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n"); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return; } @@ -851,7 +839,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, */ if (ctx->last_tx_rejected) { ctx->last_tx_rejected = false; - iwl_wake_any_queue(priv, ctx); + iwl_trans_wake_any_queue(trans(priv), + ctx->ctxid); } ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; @@ -912,6 +901,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (!priv->disable_chain_noise_cal) iwlagn_chain_noise_reset(priv); priv->start_calib = 1; + WARN_ON(ctx->preauth_bssid); } if (changes & BSS_CHANGED_IBSS) { @@ -929,7 +919,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, IWL_ERR(priv, "Error sending IBSS beacon\n"); } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } void iwlagn_post_scan(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index 37e624095e40..8f0b86de1863 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -49,7 +49,7 @@ iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id) return NULL; } - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* Set up the rate scaling to start at selected rate, fall back * all the way down to 1M in IEEE order, and then spin on 1M */ @@ -63,23 +63,23 @@ iwl_sta_alloc_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id) if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE) rate_flags |= RATE_MCS_CCK_MSK; - rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) << + rate_flags |= first_antenna(hw_params(priv).valid_tx_ant) << RATE_MCS_ANT_POS; rate_n_flags = iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags); for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) link_cmd->rs_table[i].rate_n_flags = rate_n_flags; link_cmd->general_params.single_stream_ant_msk = - first_antenna(priv->hw_params.valid_tx_ant); + first_antenna(hw_params(priv).valid_tx_ant); link_cmd->general_params.dual_stream_ant_msk = - priv->hw_params.valid_tx_ant & - ~first_antenna(priv->hw_params.valid_tx_ant); + hw_params(priv).valid_tx_ant & + ~first_antenna(hw_params(priv).valid_tx_ant); if (!link_cmd->general_params.dual_stream_ant_msk) { link_cmd->general_params.dual_stream_ant_msk = ANT_AB; - } else if (num_of_ant(priv->hw_params.valid_tx_ant) == 2) { + } else if (num_of_ant(hw_params(priv).valid_tx_ant) == 2) { link_cmd->general_params.dual_stream_ant_msk = - priv->hw_params.valid_tx_ant; + hw_params(priv).valid_tx_ant; } link_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; @@ -116,9 +116,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx if (sta_id_r) *sta_id_r = sta_id; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].used |= IWL_STA_LOCAL; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); /* Set up default rate scaling table in device's station table */ link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); @@ -132,9 +132,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx if (ret) IWL_ERR(priv, "Link quality command failed (%d)\n", ret); - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -189,7 +189,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, cmd.len[0] = cmd_size; if (not_empty || send_if_empty) - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); else return 0; } @@ -197,7 +197,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, int iwl_restore_default_wep_keys(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); return iwl_send_static_wepkey_cmd(priv, ctx, false); } @@ -208,13 +208,13 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n", keyconf->keyidx); memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0])); - if (iwl_is_rfkill(priv)) { + if (iwl_is_rfkill(priv->shrd)) { IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n"); /* but keys in device are clear anyway so return success */ return 0; @@ -232,7 +232,7 @@ int iwl_set_default_wep_key(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (keyconf->keylen != WEP_KEY_LEN_128 && keyconf->keylen != WEP_KEY_LEN_64) { @@ -311,9 +311,9 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv, struct iwl_addsta_cmd sta_cmd; int i; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); key_flags = cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); key_flags |= STA_KEY_FLG_MAP_KEY_MSK; @@ -388,16 +388,16 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, if (sta_id == IWL_INVALID_STATION) return -ENOENT; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) sta_id = IWL_INVALID_STATION; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); if (sta_id == IWL_INVALID_STATION) return 0; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); ctx->key_mapping_keys--; @@ -430,7 +430,7 @@ int iwl_set_dynamic_key(struct iwl_priv *priv, if (sta_id == IWL_INVALID_STATION) return -EINVAL; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); keyconf->hw_key_idx = iwl_get_free_ucode_key_offset(priv); if (keyconf->hw_key_idx == WEP_INVALID_OFFSET) @@ -493,18 +493,18 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, unsigned long flags; u8 sta_id; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); sta_id = iwl_prep_station(priv, ctx, iwl_bcast_addr, false, NULL); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare broadcast station\n"); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return -EINVAL; } priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used |= IWL_STA_BCAST; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); if (!link_cmd) { @@ -513,9 +513,9 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -539,13 +539,13 @@ int iwl_update_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (priv->stations[sta_id].lq) kfree(priv->stations[sta_id].lq); else IWL_DEBUG_INFO(priv, "Bcast station rate scaling has not been initialized yet.\n"); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -572,15 +572,15 @@ int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid) unsigned long flags; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* Remove "disable" flag, to enable Tx for this TID */ - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX; priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid)); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -592,20 +592,20 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, int sta_id; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); sta_id = iwl_sta_id(sta); if (sta_id == IWL_INVALID_STATION) return -ENXIO; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK; priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -617,7 +617,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, int sta_id; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); sta_id = iwl_sta_id(sta); if (sta_id == IWL_INVALID_STATION) { @@ -625,13 +625,13 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, return -ENXIO; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -640,14 +640,14 @@ static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) { unsigned long flags; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.sta.modify_mask = 0; priv->stations[sta_id].sta.sleep_tx_count = 0; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } @@ -655,7 +655,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) { unsigned long flags; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.sta.modify_mask = @@ -663,7 +663,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c index f501d742984c..92ba8cd0ecd5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c @@ -176,24 +176,24 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data) struct iwl_tt_mgmt *tt = &priv->thermal_throttle; unsigned long flags; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; if (tt->state == IWL_TI_CT_KILL) { if (priv->thermal_throttle.ct_kill_toggle) { - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); priv->thermal_throttle.ct_kill_toggle = false; } else { - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); priv->thermal_throttle.ct_kill_toggle = true; } - iwl_read32(priv, CSR_UCODE_DRV_GP1); - spin_lock_irqsave(&priv->reg_lock, flags); - if (!iwl_grab_nic_access(priv)) - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + iwl_read32(bus(priv), CSR_UCODE_DRV_GP1); + spin_lock_irqsave(&bus(priv)->reg_lock, flags); + if (!iwl_grab_nic_access(bus(priv))) + iwl_release_nic_access(bus(priv)); + spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); /* Reschedule the ct_kill timer to occur in * CT_KILL_EXIT_DURATION seconds to ensure we get a @@ -209,7 +209,7 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv, { if (stop) { IWL_DEBUG_TEMP(priv, "Stop all queues\n"); - if (priv->mac80211_registered) + if (priv->shrd->mac80211_registered) ieee80211_stop_queues(priv->hw); IWL_DEBUG_TEMP(priv, "Schedule 5 seconds CT_KILL Timer\n"); @@ -217,7 +217,7 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv, jiffies + CT_KILL_EXIT_DURATION * HZ); } else { IWL_DEBUG_TEMP(priv, "Wake all queues\n"); - if (priv->mac80211_registered) + if (priv->shrd->mac80211_registered) ieee80211_wake_queues(priv->hw); } } @@ -227,7 +227,7 @@ static void iwl_tt_ready_for_ct_kill(unsigned long data) struct iwl_priv *priv = (struct iwl_priv *)data; struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; /* temperature timer expired, ready to go into CT_KILL state */ @@ -235,7 +235,7 @@ static void iwl_tt_ready_for_ct_kill(unsigned long data) IWL_DEBUG_TEMP(priv, "entering CT_KILL state when " "temperature timer expired\n"); tt->state = IWL_TI_CT_KILL; - set_bit(STATUS_CT_KILL, &priv->status); + set_bit(STATUS_CT_KILL, &priv->shrd->status); iwl_perform_ct_kill_task(priv, true); } } @@ -313,23 +313,24 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force) tt->tt_power_mode = IWL_POWER_INDEX_5; break; } - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (old_state == IWL_TI_CT_KILL) - clear_bit(STATUS_CT_KILL, &priv->status); + clear_bit(STATUS_CT_KILL, &priv->shrd->status); if (tt->state != IWL_TI_CT_KILL && iwl_power_update_mode(priv, true)) { /* TT state not updated * try again during next temperature read */ if (old_state == IWL_TI_CT_KILL) - set_bit(STATUS_CT_KILL, &priv->status); + set_bit(STATUS_CT_KILL, &priv->shrd->status); tt->state = old_state; IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); } else { if (tt->state == IWL_TI_CT_KILL) { if (force) { - set_bit(STATUS_CT_KILL, &priv->status); + set_bit(STATUS_CT_KILL, + &priv->shrd->status); iwl_perform_ct_kill_task(priv, true); } else { iwl_prepare_ct_kill_task(priv); @@ -343,7 +344,7 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force) IWL_DEBUG_TEMP(priv, "Power Index change to %u\n", tt->tt_power_mode); } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } } @@ -453,9 +454,9 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) * in case get disabled before */ iwl_set_rxon_ht(priv, &priv->current_ht_config); } - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (old_state == IWL_TI_CT_KILL) - clear_bit(STATUS_CT_KILL, &priv->status); + clear_bit(STATUS_CT_KILL, &priv->shrd->status); if (tt->state != IWL_TI_CT_KILL && iwl_power_update_mode(priv, true)) { /* TT state not updated @@ -464,7 +465,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); if (old_state == IWL_TI_CT_KILL) - set_bit(STATUS_CT_KILL, &priv->status); + set_bit(STATUS_CT_KILL, &priv->shrd->status); tt->state = old_state; } else { IWL_DEBUG_TEMP(priv, @@ -475,7 +476,8 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) if (force) { IWL_DEBUG_TEMP(priv, "Enter IWL_TI_CT_KILL\n"); - set_bit(STATUS_CT_KILL, &priv->status); + set_bit(STATUS_CT_KILL, + &priv->shrd->status); iwl_perform_ct_kill_task(priv, true); } else { iwl_prepare_ct_kill_task(priv); @@ -487,7 +489,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) iwl_perform_ct_kill_task(priv, false); } } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } } @@ -506,10 +508,10 @@ static void iwl_bg_ct_enter(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_enter); struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; - if (!iwl_is_ready(priv)) + if (!iwl_is_ready(priv->shrd)) return; if (tt->state != IWL_TI_CT_KILL) { @@ -535,10 +537,10 @@ static void iwl_bg_ct_exit(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_exit); struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; - if (!iwl_is_ready(priv)) + if (!iwl_is_ready(priv->shrd)) return; /* stop ct_kill_exit_tm timer */ @@ -565,20 +567,20 @@ static void iwl_bg_ct_exit(struct work_struct *work) void iwl_tt_enter_ct_kill(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; IWL_DEBUG_TEMP(priv, "Queueing critical temperature enter.\n"); - queue_work(priv->workqueue, &priv->ct_enter); + queue_work(priv->shrd->workqueue, &priv->ct_enter); } void iwl_tt_exit_ct_kill(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; IWL_DEBUG_TEMP(priv, "Queueing critical temperature exit.\n"); - queue_work(priv->workqueue, &priv->ct_exit); + queue_work(priv->shrd->workqueue, &priv->ct_exit); } static void iwl_bg_tt_work(struct work_struct *work) @@ -586,7 +588,7 @@ static void iwl_bg_tt_work(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, tt_work); s32 temp = priv->temperature; /* degrees CELSIUS except specified */ - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; if (priv->cfg->base_params->temperature_kelvin) @@ -600,11 +602,11 @@ static void iwl_bg_tt_work(struct work_struct *work) void iwl_tt_handler(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; IWL_DEBUG_TEMP(priv, "Queueing thermal throttling work.\n"); - queue_work(priv->workqueue, &priv->tt_work); + queue_work(priv->shrd->workqueue, &priv->tt_work); } /* Thermal throttling initialization diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h index d118ed29bf3f..7282a23e8f1c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h @@ -117,7 +117,6 @@ struct iwl_tt_mgmt { u8 iwl_tt_current_power_mode(struct iwl_priv *priv); bool iwl_tt_is_low_power_state(struct iwl_priv *priv); bool iwl_ht_enabled(struct iwl_priv *priv); -bool iwl_check_for_ct_kill(struct iwl_priv *priv); enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv); enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv); void iwl_tt_enter_ct_kill(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 53bb59ee719d..ba5c514c4a43 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> +#include <linux/ieee80211.h> #include "iwl-dev.h" #include "iwl-core.h" @@ -41,79 +42,6 @@ #include "iwl-agn.h" #include "iwl-trans.h" -/* - * mac80211 queues, ACs, hardware queues, FIFOs. - * - * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues - * - * Mac80211 uses the following numbers, which we get as from it - * by way of skb_get_queue_mapping(skb): - * - * VO 0 - * VI 1 - * BE 2 - * BK 3 - * - * - * Regular (not A-MPDU) frames are put into hardware queues corresponding - * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their - * own queue per aggregation session (RA/TID combination), such queues are - * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In - * order to map frames to the right queue, we also need an AC->hw queue - * mapping. This is implemented here. - * - * Due to the way hw queues are set up (by the hw specific modules like - * iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity - * mapping. - */ - -static const u8 tid_to_ac[] = { - IEEE80211_AC_BE, - IEEE80211_AC_BK, - IEEE80211_AC_BK, - IEEE80211_AC_BE, - IEEE80211_AC_VI, - IEEE80211_AC_VI, - IEEE80211_AC_VO, - IEEE80211_AC_VO -}; - -static inline int get_ac_from_tid(u16 tid) -{ - if (likely(tid < ARRAY_SIZE(tid_to_ac))) - return tid_to_ac[tid]; - - /* no support for TIDs 8-15 yet */ - return -EINVAL; -} - -static inline int get_fifo_from_tid(struct iwl_rxon_context *ctx, u16 tid) -{ - if (likely(tid < ARRAY_SIZE(tid_to_ac))) - return ctx->ac_to_fifo[tid_to_ac[tid]]; - - /* no support for TIDs 8-15 yet */ - return -EINVAL; -} - -static int iwlagn_txq_agg_enable(struct iwl_priv *priv, int txq_id, int sta_id, - int tid) -{ - if ((IWLAGN_FIRST_AMPDU_QUEUE > txq_id) || - (IWLAGN_FIRST_AMPDU_QUEUE + - priv->cfg->base_params->num_of_ampdu_queues <= txq_id)) { - IWL_WARN(priv, - "queue number out of range: %d, must be %d to %d\n", - txq_id, IWLAGN_FIRST_AMPDU_QUEUE, - IWLAGN_FIRST_AMPDU_QUEUE + - priv->cfg->base_params->num_of_ampdu_queues - 1); - return -EINVAL; - } - - /* Modify device's station table to Tx this TID */ - return iwl_sta_tx_modify_enable_tid(priv, sta_id, tid); -} - static void iwlagn_tx_cmd_protection(struct iwl_priv *priv, struct ieee80211_tx_info *info, __le16 fc, __le32 *tx_flags) @@ -128,11 +56,10 @@ static void iwlagn_tx_cmd_protection(struct iwl_priv *priv, * handle build REPLY_TX command notification. */ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv, - struct sk_buff *skb, - struct iwl_tx_cmd *tx_cmd, - struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, - u8 std_id) + struct sk_buff *skb, + struct iwl_tx_cmd *tx_cmd, + struct ieee80211_tx_info *info, + struct ieee80211_hdr *hdr, u8 sta_id) { __le16 fc = hdr->frame_control; __le32 tx_flags = tx_cmd->tx_flags; @@ -157,7 +84,7 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv, tx_flags |= TX_CMD_FLG_IGNORE_BT; - tx_cmd->sta_id = std_id; + tx_cmd->sta_id = sta_id; if (ieee80211_has_morefrags(fc)) tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK; @@ -189,9 +116,9 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv, #define RTS_DFAULT_RETRY_LIMIT 60 static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, - struct iwl_tx_cmd *tx_cmd, - struct ieee80211_tx_info *info, - __le16 fc) + struct iwl_tx_cmd *tx_cmd, + struct ieee80211_tx_info *info, + __le16 fc) { u32 rate_flags; int rate_idx; @@ -261,10 +188,10 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, priv->bt_full_concurrent) { /* operated as 1x1 in full concurrency mode */ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, - first_antenna(priv->hw_params.valid_tx_ant)); + first_antenna(hw_params(priv).valid_tx_ant)); } else priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, - priv->hw_params.valid_tx_ant); + hw_params(priv).valid_tx_ant); rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant); /* Set the rate in the TX cmd */ @@ -322,30 +249,21 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_station_priv *sta_priv = NULL; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct iwl_device_cmd *dev_cmd = NULL; struct iwl_tx_cmd *tx_cmd; - int txq_id; - u16 seq_number = 0; __le16 fc; u8 hdr_len; u16 len; u8 sta_id; - u8 tid = 0; unsigned long flags; bool is_agg = false; - /* - * If the frame needs to go out off-channel, then - * we'll have put the PAN context to that channel, - * so make the frame go out there. - */ - if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) - ctx = &priv->contexts[IWL_RXON_CTX_PAN]; - else if (info->control.vif) + if (info->control.vif) ctx = iwl_rxon_ctx_from_vif(info->control.vif); - spin_lock_irqsave(&priv->lock, flags); - if (iwl_is_rfkill(priv)) { + spin_lock_irqsave(&priv->shrd->lock, flags); + if (iwl_is_rfkill(priv->shrd)) { IWL_DEBUG_DROP(priv, "Dropping - RF KILL\n"); goto drop_unlock_priv; } @@ -395,50 +313,17 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_sta_modify_sleep_tx_count(priv, sta_id, 1); } - /* - * Send this frame after DTIM -- there's a special queue - * reserved for this for contexts that support AP mode. - */ - if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { - txq_id = ctx->mcast_queue; - /* - * The microcode will clear the more data - * bit in the last frame it transmits. - */ - hdr->frame_control |= - cpu_to_le16(IEEE80211_FCTL_MOREDATA); - } else - txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)]; - - /* irqs already disabled/saved above when locking priv->lock */ - spin_lock(&priv->sta_lock); + /* irqs already disabled/saved above when locking priv->shrd->lock */ + spin_lock(&priv->shrd->sta_lock); - if (ieee80211_is_data_qos(fc)) { - u8 *qc = NULL; - qc = ieee80211_get_qos_ctl(hdr); - tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; - - if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) - goto drop_unlock_sta; - - seq_number = priv->stations[sta_id].tid[tid].seq_number; - seq_number &= IEEE80211_SCTL_SEQ; - hdr->seq_ctrl = hdr->seq_ctrl & - cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(seq_number); - seq_number += 0x10; - /* aggregation is on for this <sta,tid> */ - if (info->flags & IEEE80211_TX_CTL_AMPDU && - priv->stations[sta_id].tid[tid].agg.state == IWL_AGG_ON) { - txq_id = priv->stations[sta_id].tid[tid].agg.txq_id; - is_agg = true; - } - } + dev_cmd = kmem_cache_alloc(priv->tx_cmd_pool, GFP_ATOMIC); - tx_cmd = trans_get_tx_cmd(&priv->trans, txq_id); - if (unlikely(!tx_cmd)) + if (unlikely(!dev_cmd)) goto drop_unlock_sta; + memset(dev_cmd, 0, sizeof(*dev_cmd)); + tx_cmd = &dev_cmd->cmd.tx; + /* Copy MAC header from skb into command buffer */ memcpy(tx_cmd->hdr, hdr, hdr_len); @@ -457,17 +342,14 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_update_stats(priv, true, fc, len); - if (trans_tx(&priv->trans, skb, tx_cmd, txq_id, fc, is_agg, ctx)) - goto drop_unlock_sta; + info->driver_data[0] = ctx; + info->driver_data[1] = dev_cmd; - if (ieee80211_is_data_qos(fc)) { - priv->stations[sta_id].tid[tid].tfds_in_queue++; - if (!ieee80211_has_morefrags(fc)) - priv->stations[sta_id].tid[tid].seq_number = seq_number; - } + if (iwl_trans_tx(trans(priv), skb, dev_cmd, ctx->ctxid, sta_id)) + goto drop_unlock_sta; - spin_unlock(&priv->sta_lock); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->shrd->sta_lock); + spin_unlock_irqrestore(&priv->shrd->lock, flags); /* * Avoid atomic ops if it isn't an associated client. @@ -482,41 +364,20 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) return 0; drop_unlock_sta: - spin_unlock(&priv->sta_lock); + if (dev_cmd) + kmem_cache_free(priv->tx_cmd_pool, dev_cmd); + spin_unlock(&priv->shrd->sta_lock); drop_unlock_priv: - spin_unlock_irqrestore(&priv->lock, flags); - return -1; -} - -/* - * Find first available (lowest unused) Tx Queue, mark it "active". - * Called only when finding queue for aggregation. - * Should never return anything < 7, because they should already - * be in use as EDCA AC (0-3), Command (4), reserved (5, 6) - */ -static int iwlagn_txq_ctx_activate_free(struct iwl_priv *priv) -{ - int txq_id; - - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) - if (!test_and_set_bit(txq_id, &priv->txq_ctx_active_msk)) - return txq_id; + spin_unlock_irqrestore(&priv->shrd->lock, flags); return -1; } int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; int sta_id; - int tx_fifo; - int txq_id; int ret; - unsigned long flags; - struct iwl_tid_data *tid_data; - - tx_fifo = get_fifo_from_tid(iwl_rxon_ctx_from_vif(vif), tid); - if (unlikely(tx_fifo < 0)) - return tx_fifo; IWL_DEBUG_HT(priv, "TX AGG request on ra = %pM tid = %d\n", sta->addr, tid); @@ -526,58 +387,29 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, IWL_ERR(priv, "Start AGG on invalid station\n"); return -ENXIO; } - if (unlikely(tid >= MAX_TID_COUNT)) + if (unlikely(tid >= IWL_MAX_TID_COUNT)) return -EINVAL; - if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) { + if (priv->shrd->tid_data[sta_id][tid].agg.state != IWL_AGG_OFF) { IWL_ERR(priv, "Start AGG when state is not IWL_AGG_OFF !\n"); return -ENXIO; } - txq_id = iwlagn_txq_ctx_activate_free(priv); - if (txq_id == -1) { - IWL_ERR(priv, "No free aggregation queue available\n"); - return -ENXIO; - } - - spin_lock_irqsave(&priv->sta_lock, flags); - tid_data = &priv->stations[sta_id].tid[tid]; - *ssn = SEQ_TO_SN(tid_data->seq_number); - tid_data->agg.txq_id = txq_id; - tid_data->agg.tx_fifo = tx_fifo; - iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id); - spin_unlock_irqrestore(&priv->sta_lock, flags); - - ret = iwlagn_txq_agg_enable(priv, txq_id, sta_id, tid); + ret = iwl_sta_tx_modify_enable_tid(priv, sta_id, tid); if (ret) return ret; - spin_lock_irqsave(&priv->sta_lock, flags); - tid_data = &priv->stations[sta_id].tid[tid]; - if (tid_data->tfds_in_queue == 0) { - IWL_DEBUG_HT(priv, "HW queue is empty\n"); - tid_data->agg.state = IWL_AGG_ON; - ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); - } else { - IWL_DEBUG_HT(priv, "HW queue is NOT empty: %d packets in HW queue\n", - tid_data->tfds_in_queue); - tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; - } - spin_unlock_irqrestore(&priv->sta_lock, flags); + ret = iwl_trans_tx_agg_alloc(trans(priv), vif_priv->ctx->ctxid, sta_id, + tid, ssn); + return ret; } int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid) { - int tx_fifo_id, txq_id, sta_id, ssn; - struct iwl_tid_data *tid_data; - int write_ptr, read_ptr; - unsigned long flags; - - tx_fifo_id = get_fifo_from_tid(iwl_rxon_ctx_from_vif(vif), tid); - if (unlikely(tx_fifo_id < 0)) - return tx_fifo_id; + int sta_id; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; sta_id = iwl_sta_id(sta); @@ -586,101 +418,8 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, return -ENXIO; } - spin_lock_irqsave(&priv->sta_lock, flags); - - tid_data = &priv->stations[sta_id].tid[tid]; - ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4; - txq_id = tid_data->agg.txq_id; - - switch (priv->stations[sta_id].tid[tid].agg.state) { - case IWL_EMPTYING_HW_QUEUE_ADDBA: - /* - * This can happen if the peer stops aggregation - * again before we've had a chance to drain the - * queue we selected previously, i.e. before the - * session was really started completely. - */ - IWL_DEBUG_HT(priv, "AGG stop before setup done\n"); - goto turn_off; - case IWL_AGG_ON: - break; - default: - IWL_WARN(priv, "Stopping AGG while state not ON or starting\n"); - } - - write_ptr = priv->txq[txq_id].q.write_ptr; - read_ptr = priv->txq[txq_id].q.read_ptr; - - /* The queue is not empty */ - if (write_ptr != read_ptr) { - IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n"); - priv->stations[sta_id].tid[tid].agg.state = - IWL_EMPTYING_HW_QUEUE_DELBA; - spin_unlock_irqrestore(&priv->sta_lock, flags); - return 0; - } - - IWL_DEBUG_HT(priv, "HW queue is empty\n"); - turn_off: - priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; - - /* do not restore/save irqs */ - spin_unlock(&priv->sta_lock); - spin_lock(&priv->lock); - - /* - * the only reason this call can fail is queue number out of range, - * which can happen if uCode is reloaded and all the station - * information are lost. if it is outside the range, there is no need - * to deactivate the uCode queue, just return "success" to allow - * mac80211 to clean up it own data. - */ - trans_txq_agg_disable(&priv->trans, txq_id, ssn, tx_fifo_id); - spin_unlock_irqrestore(&priv->lock, flags); - - ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); - - return 0; -} - -int iwlagn_txq_check_empty(struct iwl_priv *priv, - int sta_id, u8 tid, int txq_id) -{ - struct iwl_queue *q = &priv->txq[txq_id].q; - u8 *addr = priv->stations[sta_id].sta.sta.addr; - struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid]; - struct iwl_rxon_context *ctx; - - ctx = &priv->contexts[priv->stations[sta_id].ctxid]; - - lockdep_assert_held(&priv->sta_lock); - - switch (priv->stations[sta_id].tid[tid].agg.state) { - case IWL_EMPTYING_HW_QUEUE_DELBA: - /* We are reclaiming the last packet of the */ - /* aggregated HW queue */ - if ((txq_id == tid_data->agg.txq_id) && - (q->read_ptr == q->write_ptr)) { - u16 ssn = SEQ_TO_SN(tid_data->seq_number); - int tx_fifo = get_fifo_from_tid(ctx, tid); - IWL_DEBUG_HT(priv, "HW queue empty: continue DELBA flow\n"); - trans_txq_agg_disable(&priv->trans, txq_id, - ssn, tx_fifo); - tid_data->agg.state = IWL_AGG_OFF; - ieee80211_stop_tx_ba_cb_irqsafe(ctx->vif, addr, tid); - } - break; - case IWL_EMPTYING_HW_QUEUE_ADDBA: - /* We are reclaiming the last packet of the queue */ - if (tid_data->tfds_in_queue == 0) { - IWL_DEBUG_HT(priv, "HW queue empty: continue ADDBA flow\n"); - tid_data->agg.state = IWL_AGG_ON; - ieee80211_start_tx_ba_cb_irqsafe(ctx->vif, addr, tid); - } - break; - } - - return 0; + return iwl_trans_tx_agg_disable(trans(priv), vif_priv->ctx->ctxid, + sta_id, tid); } static void iwlagn_non_agg_tx_status(struct iwl_priv *priv, @@ -702,147 +441,389 @@ static void iwlagn_non_agg_tx_status(struct iwl_priv *priv, rcu_read_unlock(); } -static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info, - bool is_agg) +/** + * translate ucode response to mac80211 tx status control values + */ +static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, + struct ieee80211_tx_info *info) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data; + struct ieee80211_tx_rate *r = &info->control.rates[0]; + + info->antenna_sel_tx = + ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); + if (rate_n_flags & RATE_MCS_HT_MSK) + r->flags |= IEEE80211_TX_RC_MCS; + if (rate_n_flags & RATE_MCS_GF_MSK) + r->flags |= IEEE80211_TX_RC_GREEN_FIELD; + if (rate_n_flags & RATE_MCS_HT40_MSK) + r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + if (rate_n_flags & RATE_MCS_DUP_MSK) + r->flags |= IEEE80211_TX_RC_DUP_DATA; + if (rate_n_flags & RATE_MCS_SGI_MSK) + r->flags |= IEEE80211_TX_RC_SHORT_GI; + r->idx = iwlagn_hwrate_to_mac80211_idx(rate_n_flags, info->band); +} - if (!is_agg) - iwlagn_non_agg_tx_status(priv, tx_info->ctx, hdr->addr1); +#ifdef CONFIG_IWLWIFI_DEBUG +const char *iwl_get_tx_fail_reason(u32 status) +{ +#define TX_STATUS_FAIL(x) case TX_STATUS_FAIL_ ## x: return #x +#define TX_STATUS_POSTPONE(x) case TX_STATUS_POSTPONE_ ## x: return #x - ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb); + switch (status & TX_STATUS_MSK) { + case TX_STATUS_SUCCESS: + return "SUCCESS"; + TX_STATUS_POSTPONE(DELAY); + TX_STATUS_POSTPONE(FEW_BYTES); + TX_STATUS_POSTPONE(BT_PRIO); + TX_STATUS_POSTPONE(QUIET_PERIOD); + TX_STATUS_POSTPONE(CALC_TTAK); + TX_STATUS_FAIL(INTERNAL_CROSSED_RETRY); + TX_STATUS_FAIL(SHORT_LIMIT); + TX_STATUS_FAIL(LONG_LIMIT); + TX_STATUS_FAIL(FIFO_UNDERRUN); + TX_STATUS_FAIL(DRAIN_FLOW); + TX_STATUS_FAIL(RFKILL_FLUSH); + TX_STATUS_FAIL(LIFE_EXPIRE); + TX_STATUS_FAIL(DEST_PS); + TX_STATUS_FAIL(HOST_ABORTED); + TX_STATUS_FAIL(BT_RETRY); + TX_STATUS_FAIL(STA_INVALID); + TX_STATUS_FAIL(FRAG_DROPPED); + TX_STATUS_FAIL(TID_DISABLE); + TX_STATUS_FAIL(FIFO_FLUSHED); + TX_STATUS_FAIL(INSUFFICIENT_CF_POLL); + TX_STATUS_FAIL(PASSIVE_NO_RX); + TX_STATUS_FAIL(NO_BEACON_ON_RADAR); + } + + return "UNKNOWN"; + +#undef TX_STATUS_FAIL +#undef TX_STATUS_POSTPONE } +#endif /* CONFIG_IWLWIFI_DEBUG */ -int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) +static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct iwl_queue *q = &txq->q; - struct iwl_tx_info *tx_info; - int nfreed = 0; - struct ieee80211_hdr *hdr; + status &= AGG_TX_STATUS_MSK; - if ((index >= q->n_bd) || (iwl_queue_used(q, index) == 0)) { - IWL_ERR(priv, "%s: Read index for DMA queue txq id (%d), " - "index %d is out of range [0-%d] %d %d.\n", __func__, - txq_id, index, q->n_bd, q->write_ptr, q->read_ptr); - return 0; + switch (status) { + case AGG_TX_STATE_UNDERRUN_MSK: + priv->reply_agg_tx_stats.underrun++; + break; + case AGG_TX_STATE_BT_PRIO_MSK: + priv->reply_agg_tx_stats.bt_prio++; + break; + case AGG_TX_STATE_FEW_BYTES_MSK: + priv->reply_agg_tx_stats.few_bytes++; + break; + case AGG_TX_STATE_ABORT_MSK: + priv->reply_agg_tx_stats.abort++; + break; + case AGG_TX_STATE_LAST_SENT_TTL_MSK: + priv->reply_agg_tx_stats.last_sent_ttl++; + break; + case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK: + priv->reply_agg_tx_stats.last_sent_try++; + break; + case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK: + priv->reply_agg_tx_stats.last_sent_bt_kill++; + break; + case AGG_TX_STATE_SCD_QUERY_MSK: + priv->reply_agg_tx_stats.scd_query++; + break; + case AGG_TX_STATE_TEST_BAD_CRC32_MSK: + priv->reply_agg_tx_stats.bad_crc32++; + break; + case AGG_TX_STATE_RESPONSE_MSK: + priv->reply_agg_tx_stats.response++; + break; + case AGG_TX_STATE_DUMP_TX_MSK: + priv->reply_agg_tx_stats.dump_tx++; + break; + case AGG_TX_STATE_DELAY_TX_MSK: + priv->reply_agg_tx_stats.delay_tx++; + break; + default: + priv->reply_agg_tx_stats.unknown++; + break; } +} - for (index = iwl_queue_inc_wrap(index, q->n_bd); - q->read_ptr != index; - q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { +static void iwl_rx_reply_tx_agg(struct iwl_priv *priv, + struct iwlagn_tx_resp *tx_resp) +{ + struct agg_tx_status *frame_status = &tx_resp->status; + int tid = (tx_resp->ra_tid & IWLAGN_TX_RES_TID_MSK) >> + IWLAGN_TX_RES_TID_POS; + int sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> + IWLAGN_TX_RES_RA_POS; + struct iwl_ht_agg *agg = &priv->shrd->tid_data[sta_id][tid].agg; + u32 status = le16_to_cpu(tx_resp->status.status); + int i; + + if (agg->wait_for_ba) + IWL_DEBUG_TX_REPLY(priv, + "got tx response w/o block-ack\n"); - tx_info = &txq->txb[txq->q.read_ptr]; + agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags); + agg->wait_for_ba = (tx_resp->frame_count > 1); - if (WARN_ON_ONCE(tx_info->skb == NULL)) - continue; + /* + * If the BT kill count is non-zero, we'll get this + * notification again. + */ + if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 && + priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + IWL_DEBUG_COEX(priv, "receive reply tx w/ bt_kill\n"); + } - hdr = (struct ieee80211_hdr *)tx_info->skb->data; - if (ieee80211_is_data_qos(hdr->frame_control)) - nfreed++; + /* Construct bit-map of pending frames within Tx window */ + for (i = 0; i < tx_resp->frame_count; i++) { + u16 fstatus = le16_to_cpu(frame_status[i].status); - iwlagn_tx_status(priv, tx_info, - txq_id >= IWLAGN_FIRST_AMPDU_QUEUE); - tx_info->skb = NULL; + if (status & AGG_TX_STATUS_MSK) + iwlagn_count_agg_tx_err_status(priv, fstatus); - iwlagn_txq_inval_byte_cnt_tbl(priv, txq); + if (status & (AGG_TX_STATE_FEW_BYTES_MSK | + AGG_TX_STATE_ABORT_MSK)) + continue; - iwlagn_txq_free_tfd(priv, txq, txq->q.read_ptr); + IWL_DEBUG_TX_REPLY(priv, "status %s (0x%08x), " + "try-count (0x%08x)\n", + iwl_get_agg_tx_fail_reason(fstatus), + fstatus & AGG_TX_STATUS_MSK, + fstatus & AGG_TX_TRY_MSK); } - return nfreed; } -/** - * iwlagn_tx_status_reply_compressed_ba - Update tx status from block-ack - * - * Go through block-ack's bitmap of ACK'd frames, update driver's record of - * ACK vs. not. This gets sent to mac80211, then to rate scaling algo. - */ -static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv, - struct iwl_ht_agg *agg, - struct iwl_compressed_ba_resp *ba_resp) +#ifdef CONFIG_IWLWIFI_DEBUG +#define AGG_TX_STATE_FAIL(x) case AGG_TX_STATE_ ## x: return #x +const char *iwl_get_agg_tx_fail_reason(u16 status) { - int sh; - u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl); - u16 scd_flow = le16_to_cpu(ba_resp->scd_flow); - struct ieee80211_tx_info *info; - u64 bitmap, sent_bitmap; - - if (unlikely(!agg->wait_for_ba)) { - if (unlikely(ba_resp->bitmap)) - IWL_ERR(priv, "Received BA when not expected\n"); - return -EINVAL; + status &= AGG_TX_STATUS_MSK; + switch (status) { + case AGG_TX_STATE_TRANSMITTED: + return "SUCCESS"; + AGG_TX_STATE_FAIL(UNDERRUN_MSK); + AGG_TX_STATE_FAIL(BT_PRIO_MSK); + AGG_TX_STATE_FAIL(FEW_BYTES_MSK); + AGG_TX_STATE_FAIL(ABORT_MSK); + AGG_TX_STATE_FAIL(LAST_SENT_TTL_MSK); + AGG_TX_STATE_FAIL(LAST_SENT_TRY_CNT_MSK); + AGG_TX_STATE_FAIL(LAST_SENT_BT_KILL_MSK); + AGG_TX_STATE_FAIL(SCD_QUERY_MSK); + AGG_TX_STATE_FAIL(TEST_BAD_CRC32_MSK); + AGG_TX_STATE_FAIL(RESPONSE_MSK); + AGG_TX_STATE_FAIL(DUMP_TX_MSK); + AGG_TX_STATE_FAIL(DELAY_TX_MSK); } - /* Mark that the expected block-ack response arrived */ - agg->wait_for_ba = 0; - IWL_DEBUG_TX_REPLY(priv, "BA %d %d\n", agg->start_idx, ba_resp->seq_ctl); - - /* Calculate shift to align block-ack bits with our Tx window bits */ - sh = agg->start_idx - SEQ_TO_INDEX(seq_ctl >> 4); - if (sh < 0) - sh += 0x100; + return "UNKNOWN"; +} +#endif /* CONFIG_IWLWIFI_DEBUG */ - /* - * Check for success or failure according to the - * transmitted bitmap and block-ack bitmap - */ - bitmap = le64_to_cpu(ba_resp->bitmap) >> sh; - sent_bitmap = bitmap & agg->bitmap; +static inline u32 iwlagn_get_scd_ssn(struct iwlagn_tx_resp *tx_resp) +{ + return le32_to_cpup((__le32 *)&tx_resp->status + + tx_resp->frame_count) & MAX_SN; +} - /* Sanity check values reported by uCode */ - if (ba_resp->txed_2_done > ba_resp->txed) { - IWL_DEBUG_TX_REPLY(priv, - "bogus sent(%d) and ack(%d) count\n", - ba_resp->txed, ba_resp->txed_2_done); - /* - * set txed_2_done = txed, - * so it won't impact rate scale - */ - ba_resp->txed = ba_resp->txed_2_done; - } - IWL_DEBUG_HT(priv, "agg frames sent:%d, acked:%d\n", - ba_resp->txed, ba_resp->txed_2_done); +static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status) +{ + status &= TX_STATUS_MSK; - /* Find the first ACKed frame to store the TX status */ - while (sent_bitmap && !(sent_bitmap & 1)) { - agg->start_idx = (agg->start_idx + 1) & 0xff; - sent_bitmap >>= 1; + switch (status) { + case TX_STATUS_POSTPONE_DELAY: + priv->reply_tx_stats.pp_delay++; + break; + case TX_STATUS_POSTPONE_FEW_BYTES: + priv->reply_tx_stats.pp_few_bytes++; + break; + case TX_STATUS_POSTPONE_BT_PRIO: + priv->reply_tx_stats.pp_bt_prio++; + break; + case TX_STATUS_POSTPONE_QUIET_PERIOD: + priv->reply_tx_stats.pp_quiet_period++; + break; + case TX_STATUS_POSTPONE_CALC_TTAK: + priv->reply_tx_stats.pp_calc_ttak++; + break; + case TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY: + priv->reply_tx_stats.int_crossed_retry++; + break; + case TX_STATUS_FAIL_SHORT_LIMIT: + priv->reply_tx_stats.short_limit++; + break; + case TX_STATUS_FAIL_LONG_LIMIT: + priv->reply_tx_stats.long_limit++; + break; + case TX_STATUS_FAIL_FIFO_UNDERRUN: + priv->reply_tx_stats.fifo_underrun++; + break; + case TX_STATUS_FAIL_DRAIN_FLOW: + priv->reply_tx_stats.drain_flow++; + break; + case TX_STATUS_FAIL_RFKILL_FLUSH: + priv->reply_tx_stats.rfkill_flush++; + break; + case TX_STATUS_FAIL_LIFE_EXPIRE: + priv->reply_tx_stats.life_expire++; + break; + case TX_STATUS_FAIL_DEST_PS: + priv->reply_tx_stats.dest_ps++; + break; + case TX_STATUS_FAIL_HOST_ABORTED: + priv->reply_tx_stats.host_abort++; + break; + case TX_STATUS_FAIL_BT_RETRY: + priv->reply_tx_stats.bt_retry++; + break; + case TX_STATUS_FAIL_STA_INVALID: + priv->reply_tx_stats.sta_invalid++; + break; + case TX_STATUS_FAIL_FRAG_DROPPED: + priv->reply_tx_stats.frag_drop++; + break; + case TX_STATUS_FAIL_TID_DISABLE: + priv->reply_tx_stats.tid_disable++; + break; + case TX_STATUS_FAIL_FIFO_FLUSHED: + priv->reply_tx_stats.fifo_flush++; + break; + case TX_STATUS_FAIL_INSUFFICIENT_CF_POLL: + priv->reply_tx_stats.insuff_cf_poll++; + break; + case TX_STATUS_FAIL_PASSIVE_NO_RX: + priv->reply_tx_stats.fail_hw_drop++; + break; + case TX_STATUS_FAIL_NO_BEACON_ON_RADAR: + priv->reply_tx_stats.sta_color_mismatch++; + break; + default: + priv->reply_tx_stats.unknown++; + break; } +} - info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb); - memset(&info->status, 0, sizeof(info->status)); - info->flags |= IEEE80211_TX_STAT_ACK; - info->flags |= IEEE80211_TX_STAT_AMPDU; - info->status.ampdu_ack_len = ba_resp->txed_2_done; - info->status.ampdu_len = ba_resp->txed; - iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info); +static void iwlagn_set_tx_status(struct iwl_priv *priv, + struct ieee80211_tx_info *info, + struct iwlagn_tx_resp *tx_resp, + bool is_agg) +{ + u16 status = le16_to_cpu(tx_resp->status.status); + + info->status.rates[0].count = tx_resp->failure_frame + 1; + if (is_agg) + info->flags &= ~IEEE80211_TX_CTL_AMPDU; + info->flags |= iwl_tx_status_to_mac80211(status); + iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags), + info); + if (!iwl_is_tx_success(status)) + iwlagn_count_tx_err_status(priv, status); +} - return 0; +static void iwl_check_abort_status(struct iwl_priv *priv, + u8 frame_count, u32 status) +{ + if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) { + IWL_ERR(priv, "Tx flush command to flush out all frames\n"); + if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + queue_work(priv->shrd->workqueue, &priv->tx_flush); + } } -/** - * translate ucode response to mac80211 tx status control values - */ -void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, - struct ieee80211_tx_info *info) +void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { - struct ieee80211_tx_rate *r = &info->control.rates[0]; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + u16 sequence = le16_to_cpu(pkt->hdr.sequence); + int txq_id = SEQ_TO_QUEUE(sequence); + int cmd_index __maybe_unused = SEQ_TO_INDEX(sequence); + struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + struct ieee80211_hdr *hdr; + u32 status = le16_to_cpu(tx_resp->status.status); + u32 ssn = iwlagn_get_scd_ssn(tx_resp); + int tid; + int sta_id; + int freed; + struct ieee80211_tx_info *info; + unsigned long flags; + struct sk_buff_head skbs; + struct sk_buff *skb; + struct iwl_rxon_context *ctx; + bool is_agg = (txq_id >= IWLAGN_FIRST_AMPDU_QUEUE); + + tid = (tx_resp->ra_tid & IWLAGN_TX_RES_TID_MSK) >> + IWLAGN_TX_RES_TID_POS; + sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> + IWLAGN_TX_RES_RA_POS; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + + if (is_agg) + iwl_rx_reply_tx_agg(priv, tx_resp); + + if (tx_resp->frame_count == 1) { + __skb_queue_head_init(&skbs); + /*we can free until ssn % q.n_bd not inclusive */ + iwl_trans_reclaim(trans(priv), sta_id, tid, txq_id, + ssn, status, &skbs); + freed = 0; + while (!skb_queue_empty(&skbs)) { + skb = __skb_dequeue(&skbs); + hdr = (struct ieee80211_hdr *)skb->data; + + if (!ieee80211_is_data_qos(hdr->frame_control)) + priv->last_seq_ctl = tx_resp->seq_ctl; + + info = IEEE80211_SKB_CB(skb); + ctx = info->driver_data[0]; + kmem_cache_free(priv->tx_cmd_pool, + (info->driver_data[1])); + + memset(&info->status, 0, sizeof(info->status)); + + if (status == TX_STATUS_FAIL_PASSIVE_NO_RX && + iwl_is_associated_ctx(ctx) && ctx->vif && + ctx->vif->type == NL80211_IFTYPE_STATION) { + ctx->last_tx_rejected = true; + iwl_trans_stop_queue(trans(priv), txq_id); + + IWL_DEBUG_TX_REPLY(priv, + "TXQ %d status %s (0x%08x) " + "rate_n_flags 0x%x retries %d\n", + txq_id, + iwl_get_tx_fail_reason(status), + status, + le32_to_cpu(tx_resp->rate_n_flags), + tx_resp->failure_frame); + + IWL_DEBUG_TX_REPLY(priv, + "FrameCnt = %d, idx=%d\n", + tx_resp->frame_count, cmd_index); + } + + /* check if BAR is needed */ + if (is_agg && !iwl_is_tx_success(status)) + info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; + iwlagn_set_tx_status(priv, IEEE80211_SKB_CB(skb), + tx_resp, is_agg); + if (!is_agg) + iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1); + + ieee80211_tx_status_irqsafe(priv->hw, skb); + + freed++; + } - info->antenna_sel_tx = - ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); - if (rate_n_flags & RATE_MCS_HT_MSK) - r->flags |= IEEE80211_TX_RC_MCS; - if (rate_n_flags & RATE_MCS_GF_MSK) - r->flags |= IEEE80211_TX_RC_GREEN_FIELD; - if (rate_n_flags & RATE_MCS_HT40_MSK) - r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; - if (rate_n_flags & RATE_MCS_DUP_MSK) - r->flags |= IEEE80211_TX_RC_DUP_DATA; - if (rate_n_flags & RATE_MCS_SGI_MSK) - r->flags |= IEEE80211_TX_RC_SHORT_GI; - r->idx = iwlagn_hwrate_to_mac80211_idx(rate_n_flags, info->band); + WARN_ON(!is_agg && freed != 1); + } + + iwl_check_abort_status(priv, tx_resp->frame_count, status); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } /** @@ -856,12 +837,15 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba; - struct iwl_tx_queue *txq = NULL; struct iwl_ht_agg *agg; - int index; + struct sk_buff_head reclaimed_skbs; + struct ieee80211_tx_info *info; + struct ieee80211_hdr *hdr; + struct sk_buff *skb; + unsigned long flags; int sta_id; int tid; - unsigned long flags; + int freed; /* "flow" corresponds to Tx queue */ u16 scd_flow = le16_to_cpu(ba_resp->scd_flow); @@ -870,16 +854,18 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, * (in Tx queue's circular buffer) of first TFD/frame in window */ u16 ba_resp_scd_ssn = le16_to_cpu(ba_resp->scd_ssn); - if (scd_flow >= priv->hw_params.max_txq_num) { + if (scd_flow >= hw_params(priv).max_txq_num) { IWL_ERR(priv, "BUG_ON scd_flow is bigger than number of queues\n"); return; } - txq = &priv->txq[scd_flow]; sta_id = ba_resp->sta_id; tid = ba_resp->tid; - agg = &priv->stations[sta_id].tid[tid].agg; + agg = &priv->shrd->tid_data[sta_id][tid].agg; + + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + if (unlikely(agg->txq_id != scd_flow)) { /* * FIXME: this is a uCode bug which need to be addressed, @@ -890,88 +876,83 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "BA scd_flow %d does not match txq_id %d\n", scd_flow, agg->txq_id); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return; } - /* Find index just before block-ack window */ - index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd); - - spin_lock_irqsave(&priv->sta_lock, flags); + if (unlikely(!agg->wait_for_ba)) { + if (unlikely(ba_resp->bitmap)) + IWL_ERR(priv, "Received BA when not expected\n"); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + return; + } IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, " "sta_id = %d\n", agg->wait_for_ba, (u8 *) &ba_resp->sta_addr_lo32, ba_resp->sta_id); - IWL_DEBUG_TX_REPLY(priv, "TID = %d, SeqCtl = %d, bitmap = 0x%llx, scd_flow = " - "%d, scd_ssn = %d\n", + IWL_DEBUG_TX_REPLY(priv, "TID = %d, SeqCtl = %d, bitmap = 0x%llx, " + "scd_flow = %d, scd_ssn = %d\n", ba_resp->tid, ba_resp->seq_ctl, (unsigned long long)le64_to_cpu(ba_resp->bitmap), ba_resp->scd_flow, ba_resp->scd_ssn); - IWL_DEBUG_TX_REPLY(priv, "DAT start_idx = %d, bitmap = 0x%llx\n", - agg->start_idx, - (unsigned long long)agg->bitmap); - /* Update driver's record of ACK vs. not for each frame in window */ - iwlagn_tx_status_reply_compressed_ba(priv, agg, ba_resp); + /* Mark that the expected block-ack response arrived */ + agg->wait_for_ba = 0; + + /* Sanity check values reported by uCode */ + if (ba_resp->txed_2_done > ba_resp->txed) { + IWL_DEBUG_TX_REPLY(priv, + "bogus sent(%d) and ack(%d) count\n", + ba_resp->txed, ba_resp->txed_2_done); + /* + * set txed_2_done = txed, + * so it won't impact rate scale + */ + ba_resp->txed = ba_resp->txed_2_done; + } + IWL_DEBUG_HT(priv, "agg frames sent:%d, acked:%d\n", + ba_resp->txed, ba_resp->txed_2_done); + + __skb_queue_head_init(&reclaimed_skbs); /* Release all TFDs before the SSN, i.e. all TFDs in front of * block-ack window (we assume that they've been successfully * transmitted ... if not, it's too late anyway). */ - if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) { - /* calculate mac80211 ampdu sw queue to wake */ - int freed = iwlagn_tx_queue_reclaim(priv, scd_flow, index); - iwl_free_tfds_in_queue(priv, sta_id, tid, freed); + iwl_trans_reclaim(trans(priv), sta_id, tid, scd_flow, ba_resp_scd_ssn, + 0, &reclaimed_skbs); + freed = 0; + while (!skb_queue_empty(&reclaimed_skbs)) { - if ((iwl_queue_space(&txq->q) > txq->q.low_mark) && - priv->mac80211_registered && - (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) - iwl_wake_queue(priv, txq); + skb = __skb_dequeue(&reclaimed_skbs); + hdr = (struct ieee80211_hdr *)skb->data; - iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow); - } - - spin_unlock_irqrestore(&priv->sta_lock, flags); -} + if (ieee80211_is_data_qos(hdr->frame_control)) + freed++; + else + WARN_ON_ONCE(1); + + if (freed == 0) { + /* this is the first skb we deliver in this batch */ + /* put the rate scaling data there */ + info = IEEE80211_SKB_CB(skb); + memset(&info->status, 0, sizeof(info->status)); + info->flags |= IEEE80211_TX_STAT_ACK; + info->flags |= IEEE80211_TX_STAT_AMPDU; + info->status.ampdu_ack_len = ba_resp->txed_2_done; + info->status.ampdu_len = ba_resp->txed; + iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, + info); + } -#ifdef CONFIG_IWLWIFI_DEBUG -const char *iwl_get_tx_fail_reason(u32 status) -{ -#define TX_STATUS_FAIL(x) case TX_STATUS_FAIL_ ## x: return #x -#define TX_STATUS_POSTPONE(x) case TX_STATUS_POSTPONE_ ## x: return #x + info = IEEE80211_SKB_CB(skb); + kmem_cache_free(priv->tx_cmd_pool, (info->driver_data[1])); - switch (status & TX_STATUS_MSK) { - case TX_STATUS_SUCCESS: - return "SUCCESS"; - TX_STATUS_POSTPONE(DELAY); - TX_STATUS_POSTPONE(FEW_BYTES); - TX_STATUS_POSTPONE(BT_PRIO); - TX_STATUS_POSTPONE(QUIET_PERIOD); - TX_STATUS_POSTPONE(CALC_TTAK); - TX_STATUS_FAIL(INTERNAL_CROSSED_RETRY); - TX_STATUS_FAIL(SHORT_LIMIT); - TX_STATUS_FAIL(LONG_LIMIT); - TX_STATUS_FAIL(FIFO_UNDERRUN); - TX_STATUS_FAIL(DRAIN_FLOW); - TX_STATUS_FAIL(RFKILL_FLUSH); - TX_STATUS_FAIL(LIFE_EXPIRE); - TX_STATUS_FAIL(DEST_PS); - TX_STATUS_FAIL(HOST_ABORTED); - TX_STATUS_FAIL(BT_RETRY); - TX_STATUS_FAIL(STA_INVALID); - TX_STATUS_FAIL(FRAG_DROPPED); - TX_STATUS_FAIL(TID_DISABLE); - TX_STATUS_FAIL(FIFO_FLUSHED); - TX_STATUS_FAIL(INSUFFICIENT_CF_POLL); - TX_STATUS_FAIL(PASSIVE_NO_RX); - TX_STATUS_FAIL(NO_BEACON_ON_RADAR); + ieee80211_tx_status_irqsafe(priv->hw, skb); } - return "UNKNOWN"; - -#undef TX_STATUS_FAIL -#undef TX_STATUS_POSTPONE + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } -#endif /* CONFIG_IWLWIFI_DEBUG */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index a895a099d086..ea31d7674df3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -40,6 +40,7 @@ #include "iwl-agn.h" #include "iwl-agn-calib.h" #include "iwl-trans.h" +#include "iwl-fh.h" static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP, @@ -84,36 +85,36 @@ static int iwlagn_load_section(struct iwl_priv *priv, const char *name, priv->ucode_write_complete = 0; - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr); - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), (iwl_get_dma_hi_addr(phy_addr) << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX | FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); - iwl_write_direct32(priv, + iwl_write_direct32(bus(priv), FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); IWL_DEBUG_FW(priv, "%s uCode section being loaded...\n", name); - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_interruptible_timeout(priv->shrd->wait_command_queue, priv->ucode_write_complete, 5 * HZ); if (ret == -ERESTARTSYS) { IWL_ERR(priv, "Could not load the %s uCode section due " @@ -193,7 +194,7 @@ static int iwlagn_send_calib_cfg(struct iwl_priv *priv) calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK; - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } void iwlagn_rx_calib_result(struct iwl_priv *priv, @@ -291,7 +292,7 @@ static int iwlagn_send_wimax_coex(struct iwl_priv *priv) /* coexistence is disabled */ memset(&coex_cmd, 0, sizeof(coex_cmd)); } - return trans_send_cmd_pdu(&priv->trans, + return iwl_trans_send_cmd_pdu(trans(priv), COEX_PRIORITY_TABLE_CMD, CMD_SYNC, sizeof(coex_cmd), &coex_cmd); } @@ -324,7 +325,7 @@ void iwlagn_send_prio_tbl(struct iwl_priv *priv) memcpy(prio_tbl_cmd.prio_tbl, iwlagn_bt_prio_tbl, sizeof(iwlagn_bt_prio_tbl)); - if (trans_send_cmd_pdu(&priv->trans, + if (iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC, sizeof(prio_tbl_cmd), &prio_tbl_cmd)) IWL_ERR(priv, "failed to send BT prio tbl command\n"); @@ -337,7 +338,7 @@ int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) env_cmd.action = action; env_cmd.type = type; - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_COEX_PROT_ENV, CMD_SYNC, sizeof(env_cmd), &env_cmd); if (ret) @@ -348,9 +349,21 @@ int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) static int iwlagn_alive_notify(struct iwl_priv *priv) { + struct iwl_rxon_context *ctx; int ret; - trans_tx_start(&priv->trans); + if (!priv->tx_cmd_pool) + priv->tx_cmd_pool = + kmem_cache_create("iwlagn_dev_cmd", + sizeof(struct iwl_device_cmd), + sizeof(void *), 0, NULL); + + if (!priv->tx_cmd_pool) + return -ENOMEM; + + iwl_trans_tx_start(trans(priv)); + for_each_context(priv, ctx) + ctx->last_tx_rejected = false; ret = iwlagn_send_wimax_coex(priv); if (ret) @@ -369,7 +382,7 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, +static int iwl_verify_inst_sparse(struct iwl_priv *priv, struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -383,9 +396,9 @@ static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, i + IWLAGN_RTC_INST_LOWER_BOUND); - val = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; } @@ -404,14 +417,14 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); - iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, IWLAGN_RTC_INST_LOWER_BOUND); for (offs = 0; offs < len && errors < 20; offs += sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ - val = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { IWL_ERR(priv, "uCode INST section at " "offset 0x%x, is 0x%x, s/b 0x%x\n", @@ -427,7 +440,7 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, */ static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_img *img) { - if (!iwlcore_verify_inst_sparse(priv, &img->code)) { + if (!iwl_verify_inst_sparse(priv, &img->code)) { IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); return 0; } @@ -478,7 +491,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, int ret; enum iwlagn_ucode_type old_type; - ret = trans_start_device(&priv->trans); + ret = iwl_trans_start_device(trans(priv)); if (ret) return ret; @@ -495,7 +508,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, return ret; } - trans_kick_nic(&priv->trans); + iwl_trans_kick_nic(trans(priv)); /* * Some things may run in the background now, but we @@ -545,7 +558,7 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) struct iwl_notification_wait calib_wait; int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* No init ucode required? Curious, but maybe ok */ if (!priv->ucode_init.code.len) @@ -580,6 +593,6 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) iwlagn_remove_notification(priv, &calib_wait); out: /* Whatever happened, stop the device */ - trans_stop_device(&priv->trans); + iwl_trans_stop_device(trans(priv)); return ret; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b0ae4de7f083..7f6c58ebbc44 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -35,7 +35,6 @@ #include <linux/sched.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <linux/firmware.h> #include <linux/etherdevice.h> #include <linux/if_arp.h> @@ -52,6 +51,7 @@ #include "iwl-sta.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" +#include "iwl-shared.h" #include "iwl-bus.h" #include "iwl-trans.h" @@ -80,9 +80,6 @@ MODULE_VERSION(DRV_VERSION); MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); MODULE_LICENSE("GPL"); -static int iwlagn_ant_coupling; -static bool iwlagn_bt_ch_announce = 1; - void iwl_update_chain_flags(struct iwl_priv *priv) { struct iwl_rxon_context *ctx; @@ -138,7 +135,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) * beacon contents. */ - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (!priv->beacon_ctx) { IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); @@ -183,7 +180,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) rate = info->control.rates[0].idx; priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, - priv->hw_params.valid_tx_ant); + hw_params(priv).valid_tx_ant); rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); /* In mac80211, rates for 5 GHz start at 0 */ @@ -203,7 +200,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) cmd.data[1] = priv->beacon_skb->data; cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } static void iwl_bg_beacon_update(struct work_struct *work) @@ -212,7 +209,7 @@ static void iwl_bg_beacon_update(struct work_struct *work) container_of(work, struct iwl_priv, beacon_update); struct sk_buff *beacon; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (!priv->beacon_ctx) { IWL_ERR(priv, "updating beacon w/o beacon context!\n"); goto out; @@ -242,7 +239,7 @@ static void iwl_bg_beacon_update(struct work_struct *work) iwlagn_send_beacon_cmd(priv); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static void iwl_bg_bt_runtime_config(struct work_struct *work) @@ -250,11 +247,11 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, bt_runtime_config); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return; iwlagn_send_advance_bt_config(priv); } @@ -265,13 +262,13 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) container_of(work, struct iwl_priv, bt_full_concurrency); struct iwl_rxon_context *ctx; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) goto out; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) goto out; IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", @@ -289,7 +286,7 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) iwlagn_send_advance_bt_config(priv); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } /** @@ -306,11 +303,11 @@ static void iwl_bg_statistics_periodic(unsigned long data) { struct iwl_priv *priv = (struct iwl_priv *)data; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return; iwl_send_statistics_request(priv, CMD_ASYNC, false); @@ -332,14 +329,14 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->reg_lock, reg_flags); - if (iwl_grab_nic_access(priv)) { - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); + spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); + if (iwl_grab_nic_access(bus(priv))) { + spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); return; } /* Set starting address; reads will auto-increment */ - iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); + iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); rmb(); /* @@ -347,20 +344,20 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); - time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); if (mode == 0) { trace_iwlwifi_dev_ucode_cont_event(priv, 0, time, ev); } else { - data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); trace_iwlwifi_dev_ucode_cont_event(priv, time, data, ev); } } /* Allow device to power down */ - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); + iwl_release_nic_access(bus(priv)); + spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); } static void iwl_continuous_event_trace(struct iwl_priv *priv) @@ -373,10 +370,12 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv) base = priv->device_pointers.error_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - capacity = iwl_read_targ_mem(priv, base); - num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); - mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); - next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + capacity = iwl_read_targ_mem(bus(priv), base); + num_wraps = iwl_read_targ_mem(bus(priv), + base + (2 * sizeof(u32))); + mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); + next_entry = iwl_read_targ_mem(bus(priv), + base + (3 * sizeof(u32))); } else return; @@ -427,7 +426,7 @@ static void iwl_bg_ucode_trace(unsigned long data) { struct iwl_priv *priv = (struct iwl_priv *)data; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; if (priv->event_log.ucode_trace) { @@ -443,11 +442,11 @@ static void iwl_bg_tx_flush(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, tx_flush); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; /* do nothing if rf-kill is on */ - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return; IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); @@ -476,14 +475,15 @@ static void iwl_bg_tx_flush(struct work_struct *work) static ssize_t show_debug_level(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); - return sprintf(buf, "0x%08X\n", iwl_get_debug_level(priv)); + struct iwl_shared *shrd = dev_get_drvdata(d); + return sprintf(buf, "0x%08X\n", iwl_get_debug_level(shrd)); } static ssize_t store_debug_level(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl_shared *shrd = dev_get_drvdata(d); + struct iwl_priv *priv = shrd->priv; unsigned long val; int ret; @@ -491,9 +491,9 @@ static ssize_t store_debug_level(struct device *d, if (ret) IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf); else { - priv->debug_level = val; + shrd->dbg_level_dev = val; if (iwl_alloc_traffic_mem(priv)) - IWL_ERR(priv, + IWL_ERR(shrd->priv, "Not enough memory to generate traffic log\n"); } return strnlen(buf, count); @@ -509,9 +509,10 @@ static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, static ssize_t show_temperature(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl_shared *shrd = dev_get_drvdata(d); + struct iwl_priv *priv = shrd->priv; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; return sprintf(buf, "%d\n", priv->temperature); @@ -524,7 +525,7 @@ static ssize_t show_tx_power(struct device *d, { struct iwl_priv *priv = dev_get_drvdata(d); - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return sprintf(buf, "off\n"); else return sprintf(buf, "%d\n", priv->tx_power_user_lmt); @@ -614,6 +615,64 @@ static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, return 0; } +static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) +{ + int i; + + /* + * The default context is always valid, + * the PAN context depends on uCode. + */ + priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); + if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) + priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); + + for (i = 0; i < NUM_IWL_RXON_CTX; i++) + priv->contexts[i].ctxid = i; + + priv->contexts[IWL_RXON_CTX_BSS].always_active = true; + priv->contexts[IWL_RXON_CTX_BSS].is_active = true; + priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; + priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; + priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; + priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; + priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; + priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; + priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = + BIT(NL80211_IFTYPE_ADHOC); + priv->contexts[IWL_RXON_CTX_BSS].interface_modes = + BIT(NL80211_IFTYPE_STATION); + priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; + priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; + priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; + priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; + + priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; + priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = + REPLY_WIPAN_RXON_TIMING; + priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = + REPLY_WIPAN_RXON_ASSOC; + priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; + priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; + priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; + priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; + priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; + priv->contexts[IWL_RXON_CTX_PAN].interface_modes = + BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); + + if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) + priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + + priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; + priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; + priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; + + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); +} + + struct iwlagn_ucode_capabilities { u32 max_probe_length; u32 standard_phy_calibration_size; @@ -738,8 +797,6 @@ static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, return 0; } -static int iwlagn_wanted_ucode_alternative = 1; - static int iwlagn_load_firmware(struct iwl_priv *priv, const struct firmware *ucode_raw, struct iwlagn_firmware_pieces *pieces, @@ -749,7 +806,8 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, struct iwl_ucode_tlv *tlv; size_t len = ucode_raw->size; const u8 *data; - int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp; + int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; + int tmp; u64 alternatives; u32 tlv_len; enum iwl_ucode_tlv_type tlv_type; @@ -952,6 +1010,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) int err; struct iwlagn_firmware_pieces pieces; const unsigned int api_max = priv->cfg->ucode_api_max; + unsigned int api_ok = priv->cfg->ucode_api_ok; const unsigned int api_min = priv->cfg->ucode_api_min; u32 api_ver; char buildstr[25]; @@ -962,10 +1021,13 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, }; + if (!api_ok) + api_ok = api_max; + memset(&pieces, 0, sizeof(pieces)); if (!ucode_raw) { - if (priv->fw_index <= priv->cfg->ucode_api_max) + if (priv->fw_index <= api_ok) IWL_ERR(priv, "request for firmware file '%s' failed.\n", priv->firmware_name); @@ -1011,12 +1073,18 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) goto try_again; } - if (api_ver != api_max) - IWL_ERR(priv, - "Firmware has old API version. Expected v%u, " - "got v%u. New firmware can be obtained " - "from http://www.intellinuxwireless.org.\n", - api_max, api_ver); + if (api_ver < api_ok) { + if (api_ok != api_max) + IWL_ERR(priv, "Firmware has old API version, " + "expected v%u through v%u, got v%u.\n", + api_ok, api_max, api_ver); + else + IWL_ERR(priv, "Firmware has old API version, " + "expected v%u, got v%u.\n", + api_max, api_ver); + IWL_ERR(priv, "New firmware can be obtained from " + "http://www.intellinuxwireless.org/.\n"); + } } if (build) @@ -1060,25 +1128,25 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) pieces.init_data_size); /* Verify that uCode images will fit in card's SRAM */ - if (pieces.inst_size > priv->hw_params.max_inst_size) { + if (pieces.inst_size > hw_params(priv).max_inst_size) { IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", pieces.inst_size); goto try_again; } - if (pieces.data_size > priv->hw_params.max_data_size) { + if (pieces.data_size > hw_params(priv).max_data_size) { IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", pieces.data_size); goto try_again; } - if (pieces.init_size > priv->hw_params.max_inst_size) { + if (pieces.init_size > hw_params(priv).max_inst_size) { IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", pieces.init_size); goto try_again; } - if (pieces.init_data_size > priv->hw_params.max_data_size) { + if (pieces.init_data_size > hw_params(priv).max_data_size) { IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", pieces.init_data_size); goto try_again; @@ -1143,17 +1211,23 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) priv->new_scan_threshold_behaviour = !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); - if ((priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE) && - (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) { - priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); + if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) + ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; + + /* + * if not PAN, then don't support P2P -- might be a uCode + * packaging bug or due to the eeprom check above + */ + if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) + ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; + + if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; - } else + priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; + } else { priv->sta_key_max_num = STA_KEY_MAX_NUM; - - if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) - priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; - else - priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; + priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; + } /* * figure out the offset of chain noise reset and gain commands @@ -1169,6 +1243,9 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) priv->phy_calib_chain_noise_gain_cmd = ucode_capa.standard_phy_calibration_size + 1; + /* initialize all valid contexts */ + iwl_init_context(priv, ucode_capa.flags); + /************************************************** * This is still part of probe() in a sense... * @@ -1210,364 +1287,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) release_firmware(ucode_raw); } -static const char * const desc_lookup_text[] = { - "OK", - "FAIL", - "BAD_PARAM", - "BAD_CHECKSUM", - "NMI_INTERRUPT_WDG", - "SYSASSERT", - "FATAL_ERROR", - "BAD_COMMAND", - "HW_ERROR_TUNE_LOCK", - "HW_ERROR_TEMPERATURE", - "ILLEGAL_CHAN_FREQ", - "VCC_NOT_STABLE", - "FH_ERROR", - "NMI_INTERRUPT_HOST", - "NMI_INTERRUPT_ACTION_PT", - "NMI_INTERRUPT_UNKNOWN", - "UCODE_VERSION_MISMATCH", - "HW_ERROR_ABS_LOCK", - "HW_ERROR_CAL_LOCK_FAIL", - "NMI_INTERRUPT_INST_ACTION_PT", - "NMI_INTERRUPT_DATA_ACTION_PT", - "NMI_TRM_HW_ER", - "NMI_INTERRUPT_TRM", - "NMI_INTERRUPT_BREAK_POINT", - "DEBUG_0", - "DEBUG_1", - "DEBUG_2", - "DEBUG_3", -}; - -static struct { char *name; u8 num; } advanced_lookup[] = { - { "NMI_INTERRUPT_WDG", 0x34 }, - { "SYSASSERT", 0x35 }, - { "UCODE_VERSION_MISMATCH", 0x37 }, - { "BAD_COMMAND", 0x38 }, - { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, - { "FATAL_ERROR", 0x3D }, - { "NMI_TRM_HW_ERR", 0x46 }, - { "NMI_INTERRUPT_TRM", 0x4C }, - { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, - { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, - { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, - { "NMI_INTERRUPT_HOST", 0x66 }, - { "NMI_INTERRUPT_ACTION_PT", 0x7C }, - { "NMI_INTERRUPT_UNKNOWN", 0x84 }, - { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, - { "ADVANCED_SYSASSERT", 0 }, -}; - -static const char *desc_lookup(u32 num) -{ - int i; - int max = ARRAY_SIZE(desc_lookup_text); - - if (num < max) - return desc_lookup_text[num]; - - max = ARRAY_SIZE(advanced_lookup) - 1; - for (i = 0; i < max; i++) { - if (advanced_lookup[i].num == num) - break; - } - return advanced_lookup[i].name; -} - -#define ERROR_START_OFFSET (1 * sizeof(u32)) -#define ERROR_ELEM_SIZE (7 * sizeof(u32)) - -void iwl_dump_nic_error_log(struct iwl_priv *priv) -{ - u32 base; - struct iwl_error_event_table table; - - base = priv->device_pointers.error_event_table; - if (priv->ucode_type == IWL_UCODE_INIT) { - if (!base) - base = priv->init_errlog_ptr; - } else { - if (!base) - base = priv->inst_errlog_ptr; - } - - if (!iwlagn_hw_valid_rtc_data_addr(base)) { - IWL_ERR(priv, - "Not valid error log pointer 0x%08X for %s uCode\n", - base, - (priv->ucode_type == IWL_UCODE_INIT) - ? "Init" : "RT"); - return; - } - - iwl_read_targ_mem_words(priv, base, &table, sizeof(table)); - - if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { - IWL_ERR(priv, "Start IWL Error Log Dump:\n"); - IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", - priv->status, table.valid); - } - - priv->isr_stats.err_code = table.error_id; - - trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low, - table.data1, table.data2, table.line, - table.blink1, table.blink2, table.ilink1, - table.ilink2, table.bcon_time, table.gp1, - table.gp2, table.gp3, table.ucode_ver, - table.hw_ver, table.brd_ver); - IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, - desc_lookup(table.error_id)); - IWL_ERR(priv, "0x%08X | uPc\n", table.pc); - IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); - IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); - IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); - IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); - IWL_ERR(priv, "0x%08X | data1\n", table.data1); - IWL_ERR(priv, "0x%08X | data2\n", table.data2); - IWL_ERR(priv, "0x%08X | line\n", table.line); - IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); - IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); - IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); - IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); - IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); - IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); - IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); - IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); - IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); - IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); -} - -#define EVENT_START_OFFSET (4 * sizeof(u32)) - -/** - * iwl_print_event_log - Dump error event log to syslog - * - */ -static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, - u32 num_events, u32 mode, - int pos, char **buf, size_t bufsz) -{ - u32 i; - u32 base; /* SRAM byte address of event log header */ - u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ - u32 ptr; /* SRAM byte address of log data */ - u32 ev, time, data; /* event log data */ - unsigned long reg_flags; - - if (num_events == 0) - return pos; - - base = priv->device_pointers.log_event_table; - if (priv->ucode_type == IWL_UCODE_INIT) { - if (!base) - base = priv->init_evtlog_ptr; - } else { - if (!base) - base = priv->inst_evtlog_ptr; - } - - if (mode == 0) - event_size = 2 * sizeof(u32); - else - event_size = 3 * sizeof(u32); - - ptr = base + EVENT_START_OFFSET + (start_idx * event_size); - - /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->reg_lock, reg_flags); - iwl_grab_nic_access(priv); - - /* Set starting address; reads will auto-increment */ - iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); - rmb(); - - /* "time" is actually "data" for mode 0 (no timestamp). - * place event id # at far right for easier visual parsing. */ - for (i = 0; i < num_events; i++) { - ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); - time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); - if (mode == 0) { - /* data, ev */ - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOG:0x%08x:%04u\n", - time, ev); - } else { - trace_iwlwifi_dev_ucode_event(priv, 0, - time, ev); - IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", - time, ev); - } - } else { - data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - } else { - IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - trace_iwlwifi_dev_ucode_event(priv, time, - data, ev); - } - } - } - - /* Allow device to power down */ - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); - return pos; -} - -/** - * iwl_print_last_event_logs - Dump the newest # of event log to syslog - */ -static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, - u32 num_wraps, u32 next_entry, - u32 size, u32 mode, - int pos, char **buf, size_t bufsz) -{ - /* - * display the newest DEFAULT_LOG_ENTRIES entries - * i.e the entries just before the next ont that uCode would fill. - */ - if (num_wraps) { - if (next_entry < size) { - pos = iwl_print_event_log(priv, - capacity - (size - next_entry), - size - next_entry, mode, - pos, buf, bufsz); - pos = iwl_print_event_log(priv, 0, - next_entry, mode, - pos, buf, bufsz); - } else - pos = iwl_print_event_log(priv, next_entry - size, - size, mode, pos, buf, bufsz); - } else { - if (next_entry < size) { - pos = iwl_print_event_log(priv, 0, next_entry, - mode, pos, buf, bufsz); - } else { - pos = iwl_print_event_log(priv, next_entry - size, - size, mode, pos, buf, bufsz); - } - } - return pos; -} - -#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) - -int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, - char **buf, bool display) -{ - u32 base; /* SRAM byte address of event log header */ - u32 capacity; /* event log capacity in # entries */ - u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ - u32 num_wraps; /* # times uCode wrapped to top of log */ - u32 next_entry; /* index of next entry to be written by uCode */ - u32 size; /* # entries that we'll print */ - u32 logsize; - int pos = 0; - size_t bufsz = 0; - - base = priv->device_pointers.log_event_table; - if (priv->ucode_type == IWL_UCODE_INIT) { - logsize = priv->init_evtlog_size; - if (!base) - base = priv->init_evtlog_ptr; - } else { - logsize = priv->inst_evtlog_size; - if (!base) - base = priv->inst_evtlog_ptr; - } - - if (!iwlagn_hw_valid_rtc_data_addr(base)) { - IWL_ERR(priv, - "Invalid event log pointer 0x%08X for %s uCode\n", - base, - (priv->ucode_type == IWL_UCODE_INIT) - ? "Init" : "RT"); - return -EINVAL; - } - - /* event log header */ - capacity = iwl_read_targ_mem(priv, base); - mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); - - if (capacity > logsize) { - IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", - capacity, logsize); - capacity = logsize; - } - - if (next_entry > logsize) { - IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", - next_entry, logsize); - next_entry = logsize; - } - - size = num_wraps ? capacity : next_entry; - - /* bail out if nothing in log */ - if (size == 0) { - IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); - return pos; - } - - /* enable/disable bt channel inhibition */ - priv->bt_ch_announce = iwlagn_bt_ch_announce; - -#ifdef CONFIG_IWLWIFI_DEBUG - if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log) - size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; -#else - size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; -#endif - IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", - size); - -#ifdef CONFIG_IWLWIFI_DEBUG - if (display) { - if (full_log) - bufsz = capacity * 48; - else - bufsz = size * 48; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - } - if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { - /* - * if uCode has wrapped back to top of log, - * start at the oldest entry, - * i.e the next one that uCode would fill. - */ - if (num_wraps) - pos = iwl_print_event_log(priv, next_entry, - capacity - next_entry, mode, - pos, buf, bufsz); - /* (then/else) start at top of log */ - pos = iwl_print_event_log(priv, 0, - next_entry, mode, pos, buf, bufsz); - } else - pos = iwl_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#else - pos = iwl_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#endif - return pos; -} - static void iwl_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; @@ -1575,44 +1294,43 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) unsigned long flags; int ret = 0; - spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + spin_lock_irqsave(&priv->shrd->lock, flags); + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); priv->thermal_throttle.ct_kill_toggle = false; if (priv->cfg->base_params->support_ct_kill_exit) { adv_cmd.critical_temperature_enter = - cpu_to_le32(priv->hw_params.ct_kill_threshold); + cpu_to_le32(hw_params(priv).ct_kill_threshold); adv_cmd.critical_temperature_exit = - cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); + cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_CT_KILL_CONFIG_CMD, CMD_SYNC, sizeof(adv_cmd), &adv_cmd); if (ret) IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); else IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " - "succeeded, " - "critical temperature enter is %d," - "exit is %d\n", - priv->hw_params.ct_kill_threshold, - priv->hw_params.ct_kill_exit_threshold); + "succeeded, critical temperature enter is %d," + "exit is %d\n", + hw_params(priv).ct_kill_threshold, + hw_params(priv).ct_kill_exit_threshold); } else { cmd.critical_temperature_R = - cpu_to_le32(priv->hw_params.ct_kill_threshold); + cpu_to_le32(hw_params(priv).ct_kill_threshold); - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_CT_KILL_CONFIG_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); else IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " - "succeeded, " - "critical temperature is %d\n", - priv->hw_params.ct_kill_threshold); + "succeeded, " + "critical temperature is %d\n", + hw_params(priv).ct_kill_threshold); } } @@ -1629,7 +1347,7 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } @@ -1641,7 +1359,7 @@ static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) if (IWL_UCODE_API(priv->ucode_ver) > 1) { IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); - return trans_send_cmd_pdu(&priv->trans, + return iwl_trans_send_cmd_pdu(trans(priv), TX_ANT_CONFIGURATION_CMD, CMD_SYNC, sizeof(struct iwl_tx_ant_config_cmd), @@ -1663,17 +1381,17 @@ int iwl_alive_start(struct iwl_priv *priv) struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; /*TODO: this should go to the transport layer */ - iwl_reset_ict(priv); + iwl_reset_ict(trans(priv)); IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); /* After the ALIVE response, we can send host commands to the uCode */ - set_bit(STATUS_ALIVE, &priv->status); + set_bit(STATUS_ALIVE, &priv->shrd->status); /* Enable watchdog to monitor the driver tx queues */ iwl_setup_watchdog(priv); - if (iwl_is_rfkill(priv)) + if (iwl_is_rfkill(priv->shrd)) return -ERFKILL; /* download priority table before any calibration request */ @@ -1710,8 +1428,9 @@ int iwl_alive_start(struct iwl_priv *priv) iwl_send_bt_config(priv); } - if (priv->hw_params.calib_rt_cfg) - iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg); + if (hw_params(priv).calib_rt_cfg) + iwlagn_send_calib_cfg_rt(priv, + hw_params(priv).calib_rt_cfg); ieee80211_wake_queues(priv->hw); @@ -1720,7 +1439,7 @@ int iwl_alive_start(struct iwl_priv *priv) /* Configure Tx antenna selection based on H/W config */ iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); - if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { + if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { struct iwl_rxon_cmd *active_rxon = (struct iwl_rxon_cmd *)&ctx->active; /* apply any changes in staging */ @@ -1735,12 +1454,12 @@ int iwl_alive_start(struct iwl_priv *priv) iwlagn_set_rxon_chain(priv, ctx); } - if (!priv->wowlan) { + if (!priv->shrd->wowlan) { /* WoWLAN ucode will not reply in the same way, skip it */ iwl_reset_run_time_calib(priv); } - set_bit(STATUS_READY, &priv->status); + set_bit(STATUS_READY, &priv->shrd->status); /* Configure the adapter for unassociated operation */ ret = iwlagn_commit_rxon(priv, ctx); @@ -1765,7 +1484,15 @@ static void __iwl_down(struct iwl_priv *priv) iwl_scan_cancel_timeout(priv, 200); - exit_pending = test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); + /* + * If active, scanning won't cancel it, so say it expired. + * No race since we hold the mutex here and a new one + * can't come in at this time. + */ + ieee80211_remain_on_channel_expired(priv->hw); + + exit_pending = + test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set * to prevent rearm timer */ @@ -1790,22 +1517,23 @@ static void __iwl_down(struct iwl_priv *priv) /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ if (!exit_pending) - clear_bit(STATUS_EXIT_PENDING, &priv->status); + clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); - if (priv->mac80211_registered) + if (priv->shrd->mac80211_registered) ieee80211_stop_queues(priv->hw); /* Clear out all status bits but a few that are stable across reset */ - priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << + priv->shrd->status &= + test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << STATUS_RF_KILL_HW | - test_bit(STATUS_GEO_CONFIGURED, &priv->status) << + test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << STATUS_GEO_CONFIGURED | - test_bit(STATUS_FW_ERROR, &priv->status) << + test_bit(STATUS_FW_ERROR, &priv->shrd->status) << STATUS_FW_ERROR | - test_bit(STATUS_EXIT_PENDING, &priv->status) << + test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << STATUS_EXIT_PENDING; - trans_stop_device(&priv->trans); + iwl_trans_stop_device(trans(priv)); dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = NULL; @@ -1813,9 +1541,9 @@ static void __iwl_down(struct iwl_priv *priv) static void iwl_down(struct iwl_priv *priv) { - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); __iwl_down(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); iwl_cancel_deferred_work(priv); } @@ -1827,9 +1555,9 @@ static int __iwl_up(struct iwl_priv *priv) struct iwl_rxon_context *ctx; int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); return -EIO; } @@ -1862,9 +1590,9 @@ static int __iwl_up(struct iwl_priv *priv) return 0; error: - set_bit(STATUS_EXIT_PENDING, &priv->status); + set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); __iwl_down(priv); - clear_bit(STATUS_EXIT_PENDING, &priv->status); + clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); IWL_ERR(priv, "Unable to initialize device.\n"); return ret; @@ -1882,11 +1610,11 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, run_time_calib_work); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->status) || - test_bit(STATUS_SCANNING, &priv->status)) { - mutex_unlock(&priv->mutex); + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || + test_bit(STATUS_SCANNING, &priv->shrd->status)) { + mutex_unlock(&priv->shrd->mutex); return; } @@ -1895,7 +1623,7 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work) iwl_sensitivity_calibration(priv); } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static void iwlagn_prepare_restart(struct iwl_priv *priv) @@ -1907,7 +1635,7 @@ static void iwlagn_prepare_restart(struct iwl_priv *priv) u8 bt_status; bool bt_is_sco; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); for_each_context(priv, ctx) ctx->vif = NULL; @@ -1941,13 +1669,13 @@ static void iwl_bg_restart(struct work_struct *data) { struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; - if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { - mutex_lock(&priv->mutex); + if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { + mutex_lock(&priv->shrd->mutex); iwlagn_prepare_restart(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); iwl_cancel_deferred_work(priv); ieee80211_restart_hw(priv->hw); } else { @@ -1955,94 +1683,6 @@ static void iwl_bg_restart(struct work_struct *data) } } -static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int wait) -{ - struct iwl_priv *priv = hw->priv; - int ret; - - /* Not supported if we don't have PAN */ - if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) { - ret = -EOPNOTSUPP; - goto free; - } - - /* Not supported on pre-P2P firmware */ - if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & - BIT(NL80211_IFTYPE_P2P_CLIENT))) { - ret = -EOPNOTSUPP; - goto free; - } - - mutex_lock(&priv->mutex); - - if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) { - /* - * If the PAN context is free, use the normal - * way of doing remain-on-channel offload + TX. - */ - ret = 1; - goto out; - } - - /* TODO: queue up if scanning? */ - if (test_bit(STATUS_SCANNING, &priv->status) || - priv->offchan_tx_skb) { - ret = -EBUSY; - goto out; - } - - /* - * max_scan_ie_len doesn't include the blank SSID or the header, - * so need to add that again here. - */ - if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) { - ret = -ENOBUFS; - goto out; - } - - priv->offchan_tx_skb = skb; - priv->offchan_tx_timeout = wait; - priv->offchan_tx_chan = chan; - - ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif, - IWL_SCAN_OFFCH_TX, chan->band); - if (ret) - priv->offchan_tx_skb = NULL; - out: - mutex_unlock(&priv->mutex); - free: - if (ret < 0) - kfree_skb(skb); - - return ret; -} - -static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - int ret; - - mutex_lock(&priv->mutex); - - if (!priv->offchan_tx_skb) { - ret = -EINVAL; - goto unlock; - } - - priv->offchan_tx_skb = NULL; - - ret = iwl_scan_cancel_timeout(priv, 200); - if (ret) - ret = -EIO; -unlock: - mutex_unlock(&priv->mutex); - - return ret; -} - /***************************************************************************** * * mac80211 entry point functions @@ -2223,7 +1863,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); return ret; } - priv->mac80211_registered = 1; + priv->shrd->mac80211_registered = 1; return 0; } @@ -2237,16 +1877,16 @@ static int iwlagn_mac_start(struct ieee80211_hw *hw) IWL_DEBUG_MAC80211(priv, "enter\n"); /* we should be verifying the device is ready to be opened */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); ret = __iwl_up(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); if (ret) return ret; IWL_DEBUG_INFO(priv, "Start UP work done.\n"); /* Now we should be done, and the READY bit should be set. */ - if (WARN_ON(!test_bit(STATUS_READY, &priv->status))) + if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) ret = -EIO; iwlagn_led_enable(priv); @@ -2269,11 +1909,11 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw) iwl_down(priv); - flush_workqueue(priv->workqueue); + flush_workqueue(priv->shrd->workqueue); /* User space software may expect getting rfkill changes * even if interface is down */ - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); iwl_enable_rfkill_int(priv); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -2317,7 +1957,7 @@ static int iwlagn_send_patterns(struct iwl_priv *priv, } cmd.data[0] = pattern_cmd; - err = trans_send_cmd(&priv->trans, &cmd); + err = iwl_trans_send_cmd(trans(priv), &cmd); kfree(pattern_cmd); return err; } @@ -2332,7 +1972,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, if (iwlagn_mod_params.sw_crypto) return; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) goto out; @@ -2343,7 +1983,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, priv->have_rekey_data = true; out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } struct wowlan_key_data { @@ -2381,7 +2021,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, u16 p1k[IWLAGN_P1K_SIZE]; int ret, i; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || key->cipher == WLAN_CIPHER_SUITE_WEP104) && @@ -2486,7 +2126,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, break; } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static int iwlagn_mac_suspend(struct ieee80211_hw *hw, @@ -2511,7 +2151,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, if (WARN_ON(!wowlan)) return -EINVAL; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); /* Don't attempt WoWLAN when not associated, tear down instead. */ if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || @@ -2540,7 +2180,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, * since the uCode will add 0x10 before using the value. */ for (i = 0; i < 8; i++) { - seq = priv->stations[IWL_AP_ID].tid[i].seq_number; + seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; seq -= 0x10; wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); } @@ -2572,9 +2212,9 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, memcpy(&rxon, &ctx->active, sizeof(rxon)); - trans_stop_device(&priv->trans); + iwl_trans_stop_device(trans(priv)); - priv->wowlan = true; + priv->shrd->wowlan = true; ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, IWL_UCODE_WOWLAN); @@ -2605,11 +2245,11 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, * constraints. Since we're in the suspend path * that isn't really a problem though. */ - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); ieee80211_iter_keys(priv->hw, ctx->vif, iwlagn_wowlan_program_keys, &key_data); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (key_data.error) { ret = -EIO; goto error; @@ -2624,13 +2264,13 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, .len[0] = sizeof(*key_data.rsc_tsc), }; - ret = trans_send_cmd(&priv->trans, &rsc_tsc_cmd); + ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); if (ret) goto error; } if (key_data.use_tkip) { - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_TKIP_PARAMS, CMD_SYNC, sizeof(tkip_cmd), &tkip_cmd); @@ -2646,7 +2286,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); kek_kck_cmd.replay_ctr = priv->replay_ctr; - ret = trans_send_cmd_pdu(&priv->trans, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_KEK_KCK_MATERIAL, CMD_SYNC, sizeof(kek_kck_cmd), &kek_kck_cmd); @@ -2655,7 +2295,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, } } - ret = trans_send_cmd_pdu(&priv->trans, REPLY_WOWLAN_WAKEUP_FILTER, + ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, CMD_SYNC, sizeof(wakeup_filter_cmd), &wakeup_filter_cmd); if (ret) @@ -2668,17 +2308,17 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, device_set_wakeup_enable(priv->bus->dev, true); /* Now let the ucode operate on its own */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); goto out; error: - priv->wowlan = false; + priv->shrd->wowlan = false; iwlagn_prepare_restart(priv); ieee80211_restart_hw(priv->hw); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); kfree(key_data.rsc_tsc); return ret; } @@ -2692,21 +2332,21 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) u32 base, status = 0xffffffff; int ret = -EIO; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); base = priv->device_pointers.error_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - spin_lock_irqsave(&priv->reg_lock, flags); - ret = iwl_grab_nic_access_silent(priv); + spin_lock_irqsave(&bus(priv)->reg_lock, flags); + ret = iwl_grab_nic_access_silent(bus(priv)); if (ret == 0) { - iwl_write32(priv, HBUS_TARG_MEM_RADDR, base); - status = iwl_read32(priv, HBUS_TARG_MEM_RDAT); - iwl_release_nic_access(priv); + iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); + status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + iwl_release_nic_access(bus(priv)); } - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); #ifdef CONFIG_IWLWIFI_DEBUGFS if (ret == 0) { @@ -2717,7 +2357,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) if (priv->wowlan_sram) _iwl_read_targ_mem_words( - priv, 0x800000, priv->wowlan_sram, + bus(priv), 0x800000, priv->wowlan_sram, priv->ucode_wowlan.data.len / 4); } #endif @@ -2726,7 +2366,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) /* we'll clear ctx->vif during iwlagn_prepare_restart() */ vif = ctx->vif; - priv->wowlan = false; + priv->shrd->wowlan = false; device_set_wakeup_enable(priv->bus->dev, false); @@ -2736,7 +2376,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) iwl_connection_init_rx_config(priv, ctx); iwlagn_set_rxon_chain(priv, ctx); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); ieee80211_resume_disconnect(vif); @@ -2805,7 +2445,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) return 0; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_scan_cancel_timeout(priv, 100); BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); @@ -2856,7 +2496,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ret = -EINVAL; } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -2871,6 +2511,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, struct iwl_priv *priv = hw->priv; int ret = -EINVAL; struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", sta->addr, tid); @@ -2878,7 +2519,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) return -EACCES; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); switch (action) { case IEEE80211_AMPDU_RX_START: @@ -2888,7 +2529,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_RX_STOP: IWL_DEBUG_HT(priv, "stop Rx\n"); ret = iwl_sta_rx_agg_stop(priv, sta, tid); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) ret = 0; break; case IEEE80211_AMPDU_TX_START: @@ -2908,7 +2549,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", priv->agg_tids_count); } - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) ret = 0; if (priv->cfg->ht_params && priv->cfg->ht_params->use_rts_for_aggregation) { @@ -2924,8 +2565,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_TX_OPERATIONAL: buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); - trans_txq_agg_setup(&priv->trans, iwl_sta_id(sta), tid, - buf_size); + iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), + tid, buf_size); /* * If the limit is 0, then it wasn't initialised yet, @@ -2969,7 +2610,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, ret = 0; break; } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return ret; } @@ -2987,7 +2628,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "received request to add station %pM\n", sta->addr); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", sta->addr); sta_priv->common.sta_id = IWL_INVALID_STATION; @@ -3002,7 +2643,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_ERR(priv, "Unable to add station %pM (%d)\n", sta->addr, ret); /* Should we return success if return code is EEXIST ? */ - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return ret; } @@ -3012,7 +2653,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", sta->addr); iwl_rs_rate_init(priv, sta, sta_id); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return 0; } @@ -3038,14 +2679,14 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (iwl_is_rfkill(priv)) + if (iwl_is_rfkill(priv->shrd)) goto out; - if (test_bit(STATUS_EXIT_PENDING, &priv->status) || - test_bit(STATUS_SCANNING, &priv->status) || - test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || + test_bit(STATUS_SCANNING, &priv->shrd->status) || + test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) goto out; if (!iwl_is_associated_ctx(ctx)) @@ -3064,7 +2705,7 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, goto out; } - spin_lock_irq(&priv->lock); + spin_lock_irq(&priv->shrd->lock); priv->current_ht_config.smps = conf->smps_mode; @@ -3094,23 +2735,23 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, iwl_set_rxon_ht(priv, ht_conf); iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); - spin_unlock_irq(&priv->lock); + spin_unlock_irq(&priv->shrd->lock); iwl_set_rate(priv); /* * at this point, staging_rxon has the * configuration for channel switch */ - set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); + set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); priv->switch_channel = cpu_to_le16(ch); if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { - clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); + clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); priv->switch_channel = 0; ieee80211_chswitch_done(ctx->vif, false); } out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -3140,7 +2781,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, #undef CHK - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); for_each_context(priv, ctx) { ctx->staging.filter_flags &= ~filter_nand; @@ -3152,7 +2793,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, */ } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); /* * Receiving all multicast frames is always enabled by the @@ -3168,14 +2809,14 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) { struct iwl_priv *priv = hw->priv; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "enter\n"); - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); goto done; } - if (iwl_is_rfkill(priv)) { + if (iwl_is_rfkill(priv->shrd)) { IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); goto done; } @@ -3192,43 +2833,42 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) } } IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); - iwlagn_wait_tx_queue_empty(priv); + iwl_trans_wait_tx_queue_empty(trans(priv)); done: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } -static void iwlagn_disable_roc(struct iwl_priv *priv) +void iwlagn_disable_roc(struct iwl_priv *priv) { struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; - struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel); - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); - if (!ctx->is_active) + if (!priv->hw_roc_setup) return; - ctx->staging.dev_type = RXON_DEV_TYPE_2STA; + ctx->staging.dev_type = RXON_DEV_TYPE_P2P; ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_set_rxon_channel(priv, chan, ctx); - iwl_set_flags_for_band(priv, ctx, chan->band, NULL); priv->hw_roc_channel = NULL; + memset(ctx->staging.node_addr, 0, ETH_ALEN); + iwlagn_commit_rxon(priv, ctx); ctx->is_active = false; + priv->hw_roc_setup = false; } -static void iwlagn_bg_roc_done(struct work_struct *work) +static void iwlagn_disable_roc_work(struct work_struct *work) { struct iwl_priv *priv = container_of(work, struct iwl_priv, - hw_roc_work.work); + hw_roc_disable_work.work); - mutex_lock(&priv->mutex); - ieee80211_remain_on_channel_expired(priv->hw); + mutex_lock(&priv->shrd->mutex); iwlagn_disable_roc(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, @@ -3237,36 +2877,66 @@ static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, int duration) { struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; int err = 0; - if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; - if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & - BIT(NL80211_IFTYPE_P2P_CLIENT))) + if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) return -EOPNOTSUPP; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (priv->contexts[IWL_RXON_CTX_PAN].is_active || - test_bit(STATUS_SCAN_HW, &priv->status)) { + /* + * TODO: Remove this hack! Firmware needs to be updated + * to allow longer off-channel periods in scanning for + * this use case, based on a flag (and we'll need an API + * flag in the firmware when it has that). + */ + if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && duration > 80) + duration = 80; + + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { err = -EBUSY; goto out; } - priv->contexts[IWL_RXON_CTX_PAN].is_active = true; priv->hw_roc_channel = channel; priv->hw_roc_chantype = channel_type; - priv->hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024); - iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]); - queue_delayed_work(priv->workqueue, &priv->hw_roc_work, - msecs_to_jiffies(duration + 20)); + priv->hw_roc_duration = duration; + cancel_delayed_work(&priv->hw_roc_disable_work); + + if (!ctx->is_active) { + ctx->is_active = true; + ctx->staging.dev_type = RXON_DEV_TYPE_P2P; + memcpy(ctx->staging.node_addr, + priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, + ETH_ALEN); + memcpy(ctx->staging.bssid_addr, + priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, + ETH_ALEN); + err = iwlagn_commit_rxon(priv, ctx); + if (err) + goto out; + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | + RXON_FILTER_PROMISC_MSK | + RXON_FILTER_CTL2HOST_MSK; + + err = iwlagn_commit_rxon(priv, ctx); + if (err) { + iwlagn_disable_roc(priv); + goto out; + } + priv->hw_roc_setup = true; + } - msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */ - ieee80211_ready_on_channel(priv->hw); + err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); + if (err) + iwlagn_disable_roc(priv); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return err; } @@ -3275,18 +2945,83 @@ static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; - if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; - cancel_delayed_work_sync(&priv->hw_roc_work); - - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); + iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); iwlagn_disable_roc(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return 0; } +static int iwl_mac_tx_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + const u8 *bssid, enum ieee80211_tx_sync_type type) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + int ret; + u8 sta_id; + + mutex_lock(&priv->shrd->mutex); + + if (iwl_is_associated_ctx(ctx)) { + ret = 0; + goto out; + } + + if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + ret = -EBUSY; + goto out; + } + + ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); + if (ret) + goto out; + + if (WARN_ON(sta_id != ctx->ap_sta_id)) { + ret = -EIO; + goto out_remove_sta; + } + + memcpy(ctx->bssid, bssid, ETH_ALEN); + ctx->preauth_bssid = true; + + ret = iwlagn_commit_rxon(priv, ctx); + + if (ret == 0) + goto out; + + out_remove_sta: + iwl_remove_station(priv, sta_id, bssid); + out: + mutex_unlock(&priv->shrd->mutex); + return ret; +} + +static void iwl_mac_finish_tx_sync(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const u8 *bssid, + enum ieee80211_tx_sync_type type) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_rxon_context *ctx = vif_priv->ctx; + + mutex_lock(&priv->shrd->mutex); + + if (iwl_is_associated_ctx(ctx)) + goto out; + + iwl_remove_station(priv, ctx->ap_sta_id, bssid); + ctx->preauth_bssid = false; + /* no need to commit */ + out: + mutex_unlock(&priv->shrd->mutex); +} + /***************************************************************************** * * driver setup and teardown @@ -3295,9 +3030,9 @@ static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) static void iwl_setup_deferred_work(struct iwl_priv *priv) { - priv->workqueue = create_singlethread_workqueue(DRV_NAME); + priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); - init_waitqueue_head(&priv->wait_command_queue); + init_waitqueue_head(&priv->shrd->wait_command_queue); INIT_WORK(&priv->restart, iwl_bg_restart); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); @@ -3305,7 +3040,8 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); - INIT_DELAYED_WORK(&priv->hw_roc_work, iwlagn_bg_roc_done); + INIT_DELAYED_WORK(&priv->hw_roc_disable_work, + iwlagn_disable_roc_work); iwl_setup_scan_deferred_work(priv); @@ -3337,6 +3073,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) cancel_work_sync(&priv->bt_full_concurrency); cancel_work_sync(&priv->bt_runtime_config); + cancel_delayed_work_sync(&priv->hw_roc_disable_work); del_timer_sync(&priv->statistics_periodic); del_timer_sync(&priv->ucode_trace); @@ -3367,10 +3104,9 @@ static int iwl_init_drv(struct iwl_priv *priv) { int ret; - spin_lock_init(&priv->sta_lock); - spin_lock_init(&priv->hcmd_lock); + spin_lock_init(&priv->shrd->sta_lock); - mutex_init(&priv->mutex); + mutex_init(&priv->shrd->mutex); priv->ieee_channels = NULL; priv->ieee_rates = NULL; @@ -3411,7 +3147,7 @@ static int iwl_init_drv(struct iwl_priv *priv) goto err; } - ret = iwlcore_init_geos(priv); + ret = iwl_init_geos(priv); if (ret) { IWL_ERR(priv, "initializing geos failed: %d\n", ret); goto err_free_channel_map; @@ -3429,8 +3165,10 @@ err: static void iwl_uninit_drv(struct iwl_priv *priv) { iwl_calib_free_results(priv); - iwlcore_free_geos(priv); + iwl_free_geos(priv); iwl_free_channel_map(priv); + if (priv->tx_cmd_pool) + kmem_cache_destroy(priv->tx_cmd_pool); kfree(priv->scan_cmd); kfree(priv->beacon_cmd); #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -3443,7 +3181,7 @@ static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, { struct iwl_priv *priv = hw->priv; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) { @@ -3458,7 +3196,7 @@ static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, "ignoring RSSI callback\n"); } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } struct ieee80211_ops iwlagn_hw_ops = { @@ -3489,58 +3227,45 @@ struct ieee80211_ops iwlagn_hw_ops = { .tx_last_beacon = iwl_mac_tx_last_beacon, .remain_on_channel = iwl_mac_remain_on_channel, .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, - .offchannel_tx = iwl_mac_offchannel_tx, - .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait, .rssi_callback = iwl_mac_rssi_callback, CFG80211_TESTMODE_CMD(iwl_testmode_cmd) CFG80211_TESTMODE_DUMP(iwl_testmode_dump) + .tx_sync = iwl_mac_tx_sync, + .finish_tx_sync = iwl_mac_finish_tx_sync, }; static u32 iwl_hw_detect(struct iwl_priv *priv) { - return iwl_read32(priv, CSR_HW_REV); + return iwl_read32(bus(priv), CSR_HW_REV); } +/* Size of one Rx buffer in host DRAM */ +#define IWL_RX_BUF_SIZE_4K (4 * 1024) +#define IWL_RX_BUF_SIZE_8K (8 * 1024) + static int iwl_set_hw_params(struct iwl_priv *priv) { - priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; - priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; if (iwlagn_mod_params.amsdu_size_8K) - priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K); + hw_params(priv).rx_page_order = + get_order(IWL_RX_BUF_SIZE_8K); else - priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K); - - priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; + hw_params(priv).rx_page_order = + get_order(IWL_RX_BUF_SIZE_4K); if (iwlagn_mod_params.disable_11n) priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; + hw_params(priv).num_ampdu_queues = + priv->cfg->base_params->num_of_ampdu_queues; + hw_params(priv).shadow_reg_enable = + priv->cfg->base_params->shadow_reg_enable; + hw_params(priv).sku = priv->cfg->sku; + hw_params(priv).wd_timeout = priv->cfg->base_params->wd_timeout; + /* Device-specific setup */ return priv->cfg->lib->set_hw_params(priv); } -static const u8 iwlagn_bss_ac_to_fifo[] = { - IWL_TX_FIFO_VO, - IWL_TX_FIFO_VI, - IWL_TX_FIFO_BE, - IWL_TX_FIFO_BK, -}; - -static const u8 iwlagn_bss_ac_to_queue[] = { - 0, 1, 2, 3, -}; - -static const u8 iwlagn_pan_ac_to_fifo[] = { - IWL_TX_FIFO_VO_IPAN, - IWL_TX_FIFO_VI_IPAN, - IWL_TX_FIFO_BE_IPAN, - IWL_TX_FIFO_BK_IPAN, -}; - -static const u8 iwlagn_pan_ac_to_queue[] = { - 7, 6, 5, 4, -}; - /* This function both allocates and initializes hw and priv. */ static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) { @@ -3563,66 +3288,8 @@ out: return hw; } -static void iwl_init_context(struct iwl_priv *priv) -{ - int i; - - /* - * The default context is always valid, - * more may be discovered when firmware - * is loaded. - */ - priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); - - for (i = 0; i < NUM_IWL_RXON_CTX; i++) - priv->contexts[i].ctxid = i; - - priv->contexts[IWL_RXON_CTX_BSS].always_active = true; - priv->contexts[IWL_RXON_CTX_BSS].is_active = true; - priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; - priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; - priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; - priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; - priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; - priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; - priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo; - priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue; - priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = - BIT(NL80211_IFTYPE_ADHOC); - priv->contexts[IWL_RXON_CTX_BSS].interface_modes = - BIT(NL80211_IFTYPE_STATION); - priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; - priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; - priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; - priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; - - priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; - priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = - REPLY_WIPAN_RXON_TIMING; - priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = - REPLY_WIPAN_RXON_ASSOC; - priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; - priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; - priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; - priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; - priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; - priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo; - priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue; - priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; - priv->contexts[IWL_RXON_CTX_PAN].interface_modes = - BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); -#ifdef CONFIG_IWL_P2P - priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= - BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); -#endif - priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; - priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; - priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; - - BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); -} - -int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) +int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, + struct iwl_cfg *cfg) { int err = 0; struct iwl_priv *priv; @@ -3641,7 +3308,17 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) priv = hw->priv; priv->bus = bus; - bus_set_drv_data(priv->bus, priv); + priv->shrd = &priv->_shrd; + priv->shrd->bus = bus; + priv->shrd->priv = priv; + priv->shrd->hw = hw; + bus_set_drv_data(priv->bus, priv->shrd); + + priv->shrd->trans = trans_ops->alloc(priv->shrd); + if (priv->shrd->trans == NULL) { + err = -ENOMEM; + goto out_free_traffic_mem; + } /* At this point both hw and priv are allocated. */ @@ -3649,15 +3326,15 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); priv->cfg = cfg; - priv->inta_mask = CSR_INI_SET_MASK; /* is antenna coupling more than 35dB ? */ priv->bt_ant_couple_ok = - (iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? - true : false; + (iwlagn_mod_params.ant_coupling > + IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? + true : false; /* enable/disable bt channel inhibition */ - priv->bt_ch_announce = iwlagn_bt_ch_announce; + priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", (priv->bt_ch_announce) ? "On" : "Off"); @@ -3667,15 +3344,15 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) /* these spin locks will be used in apm_ops.init and EEPROM access * we should init now */ - spin_lock_init(&priv->reg_lock); - spin_lock_init(&priv->lock); + spin_lock_init(&bus(priv)->reg_lock); + spin_lock_init(&priv->shrd->lock); /* * stop and reset the on-board processor just in case it is in a * strange state ... like being left stranded by a primary kernel * and this is now the kdump kernel trying to start up */ - iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); /*********************** * 3. Read REV register @@ -3684,11 +3361,11 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) IWL_INFO(priv, "Detected %s, REV=0x%X\n", priv->cfg->name, hw_rev); - err = iwl_trans_register(&priv->trans, priv); + err = iwl_trans_request_irq(trans(priv)); if (err) - goto out_free_traffic_mem; + goto out_free_trans; - if (trans_prepare_card_hw(&priv->trans)) { + if (iwl_trans_prepare_card_hw(trans(priv))) { err = -EIO; IWL_WARN(priv, "Failed, HW not ready\n"); goto out_free_trans; @@ -3724,9 +3401,6 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) priv->hw->wiphy->n_addresses++; } - /* initialize all valid contexts */ - iwl_init_context(priv); - /************************ * 5. Setup HW constants ************************/ @@ -3759,13 +3433,14 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) iwl_enable_rfkill_int(priv); /* If platform's RF_KILL switch is NOT set to KILL */ - if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(STATUS_RF_KILL_HW, &priv->status); + if (iwl_read32(bus(priv), + CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) + clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); else - set_bit(STATUS_RF_KILL_HW, &priv->status); + set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); wiphy_rfkill_set_hw_state(priv->hw->wiphy, - test_bit(STATUS_RF_KILL_HW, &priv->status)); + test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); iwl_power_initialize(priv); iwl_tt_initialize(priv); @@ -3779,13 +3454,13 @@ int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) return 0; out_destroy_workqueue: - destroy_workqueue(priv->workqueue); - priv->workqueue = NULL; + destroy_workqueue(priv->shrd->workqueue); + priv->shrd->workqueue = NULL; iwl_uninit_drv(priv); out_free_eeprom: iwl_eeprom_free(priv); out_free_trans: - trans_free(&priv->trans); + iwl_trans_free(trans(priv)); out_free_traffic_mem: iwl_free_traffic_mem(priv); ieee80211_free_hw(priv->hw); @@ -3795,8 +3470,6 @@ out: void __devexit iwl_remove(struct iwl_priv * priv) { - unsigned long flags; - wait_for_completion(&priv->firmware_loading_complete); IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); @@ -3809,48 +3482,36 @@ void __devexit iwl_remove(struct iwl_priv * priv) * to be called and iwl_down since we are removing the device * we need to set STATUS_EXIT_PENDING bit. */ - set_bit(STATUS_EXIT_PENDING, &priv->status); + set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); iwl_testmode_cleanup(priv); iwl_leds_exit(priv); - if (priv->mac80211_registered) { + if (priv->shrd->mac80211_registered) { ieee80211_unregister_hw(priv->hw); - priv->mac80211_registered = 0; + priv->shrd->mac80211_registered = 0; } - /* Reset to low power before unloading driver. */ - iwl_apm_stop(priv); - iwl_tt_exit(priv); - /* make sure we flush any pending irq or - * tasklet for the driver - */ - spin_lock_irqsave(&priv->lock, flags); - iwl_disable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - trans_sync_irq(&priv->trans); + /*This will stop the queues, move the device to low power state */ + iwl_trans_stop_device(trans(priv)); iwl_dealloc_ucode(priv); - trans_rx_free(&priv->trans); - trans_tx_free(&priv->trans); - iwl_eeprom_free(priv); /*netif_stop_queue(dev); */ - flush_workqueue(priv->workqueue); + flush_workqueue(priv->shrd->workqueue); /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes - * priv->workqueue... so we can't take down the workqueue + * priv->shrd->workqueue... so we can't take down the workqueue * until now... */ - destroy_workqueue(priv->workqueue); - priv->workqueue = NULL; + destroy_workqueue(priv->shrd->workqueue); + priv->shrd->workqueue = NULL; iwl_free_traffic_mem(priv); - trans_free(&priv->trans); + iwl_trans_free(trans(priv)); bus_set_drv_data(priv->bus, NULL); @@ -3901,7 +3562,8 @@ module_exit(iwl_exit); module_init(iwl_init); #ifdef CONFIG_IWLWIFI_DEBUG -module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); +module_param_named(debug, iwlagn_mod_params.debug_level, uint, + S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); #endif @@ -3917,18 +3579,21 @@ MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); -module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int, - S_IRUGO); +module_param_named(ucode_alternative, + iwlagn_mod_params.wanted_ucode_alternative, + int, S_IRUGO); MODULE_PARM_DESC(ucode_alternative, "specify ucode alternative to use from ucode file"); -module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO); +module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, + int, S_IRUGO); MODULE_PARM_DESC(antenna_coupling, "specify antenna coupling in dB (defualt: 0 dB)"); -module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO); +module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, + bool, S_IRUGO); MODULE_PARM_DESC(bt_ch_inhibition, - "Disable BT channel inhibition (default: enable)"); + "Enable BT channel inhibition (default: enable)"); module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); @@ -3974,6 +3639,11 @@ module_param_named(power_level, iwlagn_mod_params.power_level, MODULE_PARM_DESC(power_level, "default power save level (range from 1 - 5, default: 1)"); +module_param_named(auto_agg, iwlagn_mod_params.auto_agg, + bool, S_IRUGO); +MODULE_PARM_DESC(auto_agg, + "enable agg w/o check traffic load (default: enable)"); + /* * For now, keep using power level 1 instead of automatically * adjusting ... diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index d941c4c98e4b..4bc1f4669e5a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -65,54 +65,9 @@ #include "iwl-dev.h" -/* configuration for the _agn devices */ -extern struct iwl_cfg iwl5300_agn_cfg; -extern struct iwl_cfg iwl5100_agn_cfg; -extern struct iwl_cfg iwl5350_agn_cfg; -extern struct iwl_cfg iwl5100_bgn_cfg; -extern struct iwl_cfg iwl5100_abg_cfg; -extern struct iwl_cfg iwl5150_agn_cfg; -extern struct iwl_cfg iwl5150_abg_cfg; -extern struct iwl_cfg iwl6005_2agn_cfg; -extern struct iwl_cfg iwl6005_2abg_cfg; -extern struct iwl_cfg iwl6005_2bg_cfg; -extern struct iwl_cfg iwl1030_bgn_cfg; -extern struct iwl_cfg iwl1030_bg_cfg; -extern struct iwl_cfg iwl6030_2agn_cfg; -extern struct iwl_cfg iwl6030_2abg_cfg; -extern struct iwl_cfg iwl6030_2bgn_cfg; -extern struct iwl_cfg iwl6030_2bg_cfg; -extern struct iwl_cfg iwl6000i_2agn_cfg; -extern struct iwl_cfg iwl6000i_2abg_cfg; -extern struct iwl_cfg iwl6000i_2bg_cfg; -extern struct iwl_cfg iwl6000_3agn_cfg; -extern struct iwl_cfg iwl6050_2agn_cfg; -extern struct iwl_cfg iwl6050_2abg_cfg; -extern struct iwl_cfg iwl6150_bgn_cfg; -extern struct iwl_cfg iwl6150_bg_cfg; -extern struct iwl_cfg iwl1000_bgn_cfg; -extern struct iwl_cfg iwl1000_bg_cfg; -extern struct iwl_cfg iwl100_bgn_cfg; -extern struct iwl_cfg iwl100_bg_cfg; -extern struct iwl_cfg iwl130_bgn_cfg; -extern struct iwl_cfg iwl130_bg_cfg; -extern struct iwl_cfg iwl2000_2bgn_cfg; -extern struct iwl_cfg iwl2000_2bg_cfg; -extern struct iwl_cfg iwl2030_2bgn_cfg; -extern struct iwl_cfg iwl2030_2bg_cfg; -extern struct iwl_cfg iwl6035_2agn_cfg; -extern struct iwl_cfg iwl6035_2abg_cfg; -extern struct iwl_cfg iwl6035_2bg_cfg; -extern struct iwl_cfg iwl105_bg_cfg; -extern struct iwl_cfg iwl105_bgn_cfg; -extern struct iwl_cfg iwl135_bg_cfg; -extern struct iwl_cfg iwl135_bgn_cfg; - -extern struct iwl_mod_params iwlagn_mod_params; - extern struct ieee80211_ops iwlagn_hw_ops; -int iwl_reset_ict(struct iwl_priv *priv); +int iwl_reset_ict(struct iwl_trans *trans); static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) { @@ -122,10 +77,6 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) hdr->data_valid = 1; } -/* tx queue */ -void iwl_free_tfds_in_queue(struct iwl_priv *priv, - int sta_id, int tid, int freed); - /* RXON */ int iwlagn_set_pan_params(struct iwl_priv *priv); int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -147,13 +98,9 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, enum iwlagn_ucode_type ucode_type); /* lib */ -void iwl_check_abort_status(struct iwl_priv *priv, - u8 frame_count, u32 status); -int iwlagn_hw_valid_rtc_data_addr(u32 addr); int iwlagn_send_tx_power(struct iwl_priv *priv); void iwlagn_temperature(struct iwl_priv *priv); u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv); -int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv); int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control); void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control); int iwlagn_send_beacon_cmd(struct iwl_priv *priv); @@ -161,25 +108,17 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv); /* rx */ int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); void iwl_setup_rx_handlers(struct iwl_priv *priv); -void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); /* tx */ -void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int index); -void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, - struct ieee80211_tx_info *info); int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb); int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid, u16 *ssn); int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); -int iwlagn_txq_check_empty(struct iwl_priv *priv, - int sta_id, u8 tid, int txq_id); void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); -int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); static inline u32 iwl_tx_status_to_mac80211(u32 status) { @@ -209,6 +148,7 @@ u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); /* scan */ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif); void iwlagn_post_scan(struct iwl_priv *priv); +void iwlagn_disable_roc(struct iwl_priv *priv); /* station mgmt */ int iwlagn_manage_ibss_station(struct iwl_priv *priv, @@ -286,7 +226,7 @@ static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) } /* eeprom */ -void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv); +void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv); void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac); /* notification wait support */ diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h index f3ee1c0c004c..83aed46673e1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-bus.h +++ b/drivers/net/wireless/iwlwifi/iwl-bus.h @@ -60,16 +60,22 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ -#ifndef __iwl_pci_h__ -#define __iwl_pci_h__ +#ifndef __iwl_bus_h__ +#define __iwl_bus_h__ +/*This file includes the declaration that are exported from the bus layer */ + +#include <linux/types.h> +#include <linux/spinlock.h> + +struct iwl_shared; struct iwl_bus; /** * struct iwl_bus_ops - bus specific operations * @get_pm_support: must returns true if the bus can go to sleep * @apm_config: will be called during the config of the APM configuration - * @set_drv_data: set the drv_data pointer to the bus layer + * @set_drv_data: set the shared data pointer to the bus layer * @get_hw_id: prints the hw_id in the provided buffer * @write8: write a byte to register at offset ofs * @write32: write a dword to register at offset ofs @@ -78,20 +84,29 @@ struct iwl_bus; struct iwl_bus_ops { bool (*get_pm_support)(struct iwl_bus *bus); void (*apm_config)(struct iwl_bus *bus); - void (*set_drv_data)(struct iwl_bus *bus, void *drv_data); + void (*set_drv_data)(struct iwl_bus *bus, struct iwl_shared *shrd); void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len); void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); u32 (*read32)(struct iwl_bus *bus, u32 ofs); }; +/** + * struct iwl_bus - bus common data + * @dev - pointer to struct device * that represent the device + * @ops - pointer to iwl_bus_ops + * @shrd - pointer to iwl_shared which holds shared data from the upper layer + * @irq - the irq number for the device + * @reg_lock - protect hw register access + */ struct iwl_bus { /* Common data to all buses */ - void *drv_data; /* driver's context */ struct device *dev; - struct iwl_bus_ops *ops; + const struct iwl_bus_ops *ops; + struct iwl_shared *shrd; unsigned int irq; + spinlock_t reg_lock; /* pointer to bus specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ @@ -108,9 +123,10 @@ static inline void bus_apm_config(struct iwl_bus *bus) bus->ops->apm_config(bus); } -static inline void bus_set_drv_data(struct iwl_bus *bus, void *drv_data) +static inline void bus_set_drv_data(struct iwl_bus *bus, + struct iwl_shared *shrd) { - bus->ops->set_drv_data(bus, drv_data); + bus->ops->set_drv_data(bus, shrd); } static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len) @@ -136,4 +152,4 @@ static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs) int __must_check iwl_pci_register_driver(void); void iwl_pci_unregister_driver(void); -#endif +#endif /* __iwl_bus_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index e9e9d1d1778d..82bfef4730d5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -69,6 +69,9 @@ #ifndef __iwl_commands_h__ #define __iwl_commands_h__ +#include <linux/etherdevice.h> +#include <linux/ieee80211.h> + struct iwl_priv; /* uCode version contains 4 values: Major/Minor/API/Serial */ @@ -670,7 +673,6 @@ struct iwl_rxon_assoc_cmd { #define IWL_CONN_MAX_LISTEN_INTERVAL 10 #define IWL_MAX_UCODE_BEACON_INTERVAL 4 /* 4096 */ -#define IWL39_MAX_UCODE_BEACON_INTERVAL 1 /* 1024 */ /* * REPLY_RXON_TIMING = 0x14 (command, has simple generic response) @@ -806,6 +808,7 @@ struct iwl_qosparam_cmd { #define IWLAGN_STATION_COUNT 16 #define IWL_INVALID_STATION 255 +#define IWL_MAX_TID_COUNT 9 #define STA_FLG_TX_RATE_MSK cpu_to_le32(1 << 2) #define STA_FLG_PWR_SAVE_MSK cpu_to_le32(1 << 8) @@ -3067,17 +3070,29 @@ struct iwl_missed_beacon_notif { /* number of additional entries for enhanced tbl */ #define ENHANCE_HD_TABLE_ENTRIES (ENHANCE_HD_TABLE_SIZE - HD_TABLE_SIZE) -#define HD_INA_NON_SQUARE_DET_OFDM_DATA cpu_to_le16(0) -#define HD_INA_NON_SQUARE_DET_CCK_DATA cpu_to_le16(0) -#define HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA cpu_to_le16(0) -#define HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA cpu_to_le16(668) -#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA cpu_to_le16(4) -#define HD_OFDM_NON_SQUARE_DET_SLOPE_DATA cpu_to_le16(486) -#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA cpu_to_le16(37) -#define HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA cpu_to_le16(853) -#define HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA cpu_to_le16(4) -#define HD_CCK_NON_SQUARE_DET_SLOPE_DATA cpu_to_le16(476) -#define HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA cpu_to_le16(99) +#define HD_INA_NON_SQUARE_DET_OFDM_DATA_V1 cpu_to_le16(0) +#define HD_INA_NON_SQUARE_DET_CCK_DATA_V1 cpu_to_le16(0) +#define HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA_V1 cpu_to_le16(0) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA_V1 cpu_to_le16(668) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V1 cpu_to_le16(4) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_DATA_V1 cpu_to_le16(486) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA_V1 cpu_to_le16(37) +#define HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA_V1 cpu_to_le16(853) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V1 cpu_to_le16(4) +#define HD_CCK_NON_SQUARE_DET_SLOPE_DATA_V1 cpu_to_le16(476) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA_V1 cpu_to_le16(99) + +#define HD_INA_NON_SQUARE_DET_OFDM_DATA_V2 cpu_to_le16(1) +#define HD_INA_NON_SQUARE_DET_CCK_DATA_V2 cpu_to_le16(1) +#define HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA_V2 cpu_to_le16(1) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA_V2 cpu_to_le16(600) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V2 cpu_to_le16(40) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_DATA_V2 cpu_to_le16(486) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA_V2 cpu_to_le16(45) +#define HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA_V2 cpu_to_le16(853) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA_V2 cpu_to_le16(60) +#define HD_CCK_NON_SQUARE_DET_SLOPE_DATA_V2 cpu_to_le16(476) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA_V2 cpu_to_le16(99) /* Control field in struct iwl_sensitivity_cmd */ @@ -3198,12 +3213,7 @@ enum iwl_ucode_calib_cfg { IWL_CALIB_CFG_LO_IDX | \ IWL_CALIB_CFG_TX_IQ_IDX | \ IWL_CALIB_CFG_RX_IQ_IDX | \ - IWL_CALIB_CFG_NOISE_IDX | \ - IWL_CALIB_CFG_CRYSTAL_IDX | \ - IWL_CALIB_CFG_TEMPERATURE_IDX | \ - IWL_CALIB_CFG_PAPD_IDX | \ - IWL_CALIB_CFG_SENSITIVITY_IDX | \ - IWL_CALIB_CFG_TX_PWR_IDX) + IWL_CALIB_CFG_CRYSTAL_IDX) #define IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK cpu_to_le32(BIT(0)) @@ -3897,6 +3907,7 @@ struct iwlagn_wowlan_kek_kck_material_cmd { * Union of all expected notifications/responses: * *****************************************************************************/ +#define FH_RSCSR_FRAME_SIZE_MSK (0x00003FFF) /* bits 0-13 */ struct iwl_rx_packet { /* diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index cf376f62b2f6..9270f990b2dd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -40,23 +40,23 @@ #include "iwl-io.h" #include "iwl-power.h" #include "iwl-sta.h" +#include "iwl-agn.h" #include "iwl-helpers.h" +#include "iwl-shared.h" #include "iwl-agn.h" #include "iwl-trans.h" -u32 iwl_debug_level; - const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ -static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, +static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, struct ieee80211_sta_ht_cap *ht_info, enum ieee80211_band band) { u16 max_bit_rate = 0; - u8 rx_chains_num = priv->hw_params.rx_chains_num; - u8 tx_chains_num = priv->hw_params.tx_chains_num; + u8 rx_chains_num = hw_params(priv).rx_chains_num; + u8 tx_chains_num = hw_params(priv).tx_chains_num; ht_info->cap = 0; memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); @@ -68,7 +68,7 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; ht_info->cap |= IEEE80211_HT_CAP_SGI_20; max_bit_rate = MAX_BIT_RATE_20_MHZ; - if (priv->hw_params.ht40_channel & BIT(band)) { + if (hw_params(priv).ht40_channel & BIT(band)) { ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; ht_info->cap |= IEEE80211_HT_CAP_SGI_40; ht_info->mcs.rx_mask[4] = 0x01; @@ -106,9 +106,9 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, } /** - * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom + * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom */ -int iwlcore_init_geos(struct iwl_priv *priv) +int iwl_init_geos(struct iwl_priv *priv) { struct iwl_channel_info *ch; struct ieee80211_supported_band *sband; @@ -121,7 +121,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); - set_bit(STATUS_GEO_CONFIGURED, &priv->status); + set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); return 0; } @@ -145,7 +145,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) - iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, + iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_5GHZ); sband = &priv->bands[IEEE80211_BAND_2GHZ]; @@ -155,7 +155,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->n_bitrates = IWL_RATE_COUNT_LEGACY; if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) - iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, + iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_2GHZ); priv->ieee_channels = channels; @@ -221,19 +221,19 @@ int iwlcore_init_geos(struct iwl_priv *priv) priv->bands[IEEE80211_BAND_2GHZ].n_channels, priv->bands[IEEE80211_BAND_5GHZ].n_channels); - set_bit(STATUS_GEO_CONFIGURED, &priv->status); + set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); return 0; } /* - * iwlcore_free_geos - undo allocations in iwlcore_init_geos + * iwl_free_geos - undo allocations in iwl_init_geos */ -void iwlcore_free_geos(struct iwl_priv *priv) +void iwl_free_geos(struct iwl_priv *priv) { kfree(priv->ieee_channels); kfree(priv->ieee_rates); - clear_bit(STATUS_GEO_CONFIGURED, &priv->status); + clear_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); } static bool iwl_is_channel_extension(struct iwl_priv *priv, @@ -325,7 +325,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) conf = ieee80211_get_hw_conf(priv->hw); - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd)); @@ -359,7 +359,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) beacon_int = le16_to_cpu(ctx->timing.beacon_interval); } else { beacon_int = iwl_adjust_beacon_interval(beacon_int, - priv->hw_params.max_beacon_itrvl * TIME_UNIT); + IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT); ctx->timing.beacon_interval = cpu_to_le16(beacon_int); } @@ -378,7 +378,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) le32_to_cpu(ctx->timing.beacon_init_val), le16_to_cpu(ctx->timing.atim_window)); - return trans_send_cmd_pdu(&priv->trans, ctx->rxon_timing_cmd, + return iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_timing_cmd, CMD_SYNC, sizeof(ctx->timing), &ctx->timing); } @@ -808,17 +808,18 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; - if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, + &priv->shrd->status)) ieee80211_chswitch_done(ctx->vif, is_success); } #ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) +void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid) { + struct iwl_rxon_context *ctx = &priv->contexts[ctxid]; struct iwl_rxon_cmd *rxon = &ctx->staging; IWL_DEBUG_RADIO(priv, "RX CONFIG:\n"); @@ -856,18 +857,18 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) unsigned long reload_jiffies; /* Set the FW error flag -- cleared on iwl_down */ - set_bit(STATUS_FW_ERROR, &priv->status); + set_bit(STATUS_FW_ERROR, &priv->shrd->status); /* Cancel currently queued command. */ - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); + clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status); iwlagn_abort_notification_waits(priv); /* Keep the restart process from trying to send host * commands by clearing the ready bit */ - clear_bit(STATUS_READY, &priv->status); + clear_bit(STATUS_READY, &priv->shrd->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&priv->shrd->wait_command_queue); if (!ondemand) { /* @@ -890,63 +891,26 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) priv->reload_count = 0; } - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { + if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { if (iwlagn_mod_params.restart_fw) { - IWL_DEBUG(priv, IWL_DL_FW_ERRORS, + IWL_DEBUG_FW_ERRORS(priv, "Restarting adapter due to uCode error.\n"); - queue_work(priv->workqueue, &priv->restart); + queue_work(priv->shrd->workqueue, &priv->restart); } else - IWL_DEBUG(priv, IWL_DL_FW_ERRORS, + IWL_DEBUG_FW_ERRORS(priv, "Detected FW error, but not restarting\n"); } } -/** - * iwl_irq_handle_error - called for HW or SW error interrupt from card - */ -void iwl_irq_handle_error(struct iwl_priv *priv) -{ - /* W/A for WiFi/WiMAX coex and WiMAX own the RF */ - if (priv->cfg->internal_wimax_coex && - (!(iwl_read_prph(priv, APMG_CLK_CTRL_REG) & - APMS_CLK_VAL_MRB_FUNC_MODE) || - (iwl_read_prph(priv, APMG_PS_CTRL_REG) & - APMG_PS_CTRL_VAL_RESET_REQ))) { - /* - * Keep the restart process from trying to send host - * commands by clearing the ready bit. - */ - clear_bit(STATUS_READY, &priv->status); - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - wake_up_interruptible(&priv->wait_command_queue); - IWL_ERR(priv, "RF is used by WiMAX\n"); - return; - } - - IWL_ERR(priv, "Loaded firmware version: %s\n", - priv->hw->wiphy->fw_version); - - iwl_dump_nic_error_log(priv); - iwl_dump_csr(priv); - iwl_dump_fh(priv, NULL, false); - iwl_dump_nic_event_log(priv, false, NULL, false); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) - iwl_print_rx_config_cmd(priv, - &priv->contexts[IWL_RXON_CTX_BSS]); -#endif - - iwlagn_fw_error(priv, false); -} - static int iwl_apm_stop_master(struct iwl_priv *priv) { int ret = 0; /* stop device's busmaster DMA activity */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); + iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - ret = iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, + ret = iwl_poll_bit(bus(priv), CSR_RESET, + CSR_RESET_REG_FLAG_MASTER_DISABLED, CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); if (ret) IWL_WARN(priv, "Master Disable Timed Out, 100 usec\n"); @@ -960,13 +924,13 @@ void iwl_apm_stop(struct iwl_priv *priv) { IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n"); - clear_bit(STATUS_DEVICE_ENABLED, &priv->status); + clear_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); /* Stop device's DMA activity */ iwl_apm_stop_master(priv); /* Reset the entire device */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); udelay(10); @@ -974,7 +938,7 @@ void iwl_apm_stop(struct iwl_priv *priv) * Clear "initialization complete" bit to move adapter from * D0A* (powered-up Active) --> D0U* (Uninitialized) state. */ - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + iwl_clear_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); } @@ -994,45 +958,45 @@ int iwl_apm_init(struct iwl_priv *priv) */ /* Disable L0S exit timer (platform NMI Work/Around) */ - iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, + iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); /* * Disable L0s without affecting L1; * don't wait for ICH L0s (ICH bug W/A) */ - iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, + iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX); /* Set FH wait threshold to maximum (HW error during stress W/A) */ - iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); + iwl_set_bit(bus(priv), CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); /* * Enable HAP INTA (interrupt from management bus) to * wake device's PCI Express link L1a -> L0s */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); bus_apm_config(priv->bus); /* Configure analog phase-lock-loop before activating to D0A */ if (priv->cfg->base_params->pll_cfg_val) - iwl_set_bit(priv, CSR_ANA_PLL_CFG, + iwl_set_bit(bus(priv), CSR_ANA_PLL_CFG, priv->cfg->base_params->pll_cfg_val); /* * Set "initialization complete" bit to move adapter from * D0U* --> D0A* (powered-up active) state. */ - iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + iwl_set_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* * Wait for clock stabilization; once stabilized, access to * device-internal resources is supported, e.g. iwl_write_prph() * and accesses to uCode SRAM. */ - ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { @@ -1047,14 +1011,14 @@ int iwl_apm_init(struct iwl_priv *priv) * do not disable clocks. This preserves any hardware bits already * set by default in "CLK_CTRL_REG" after reset. */ - iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); + iwl_write_prph(bus(priv), APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(20); /* Disable L1-Active */ - iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG, + iwl_set_bits_prph(bus(priv), APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_L1_ACT_DIS); - set_bit(STATUS_DEVICE_ENABLED, &priv->status); + set_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); out: return ret; @@ -1068,7 +1032,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) bool defer; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (priv->tx_power_user_lmt == tx_power && !force) return 0; @@ -1088,7 +1052,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) return -EINVAL; } - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return -EIO; /* scan complete and commit_rxon use tx_power_next value, @@ -1096,7 +1060,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) priv->tx_power_next = tx_power; /* do not set tx power when scanning or channel changing */ - defer = test_bit(STATUS_SCANNING, &priv->status) || + defer = test_bit(STATUS_SCANNING, &priv->shrd->status) || memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)); if (defer && !force) { IWL_DEBUG_INFO(priv, "Deferring tx power set\n"); @@ -1134,7 +1098,7 @@ void iwl_send_bt_config(struct iwl_priv *priv) IWL_DEBUG_INFO(priv, "BT coex %s\n", (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); - if (trans_send_cmd_pdu(&priv->trans, REPLY_BT_CONFIG, + if (iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) IWL_ERR(priv, "failed to send BT Coex Config\n"); } @@ -1147,22 +1111,17 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) }; if (flags & CMD_ASYNC) - return trans_send_cmd_pdu(&priv->trans, REPLY_STATISTICS_CMD, + return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, CMD_ASYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); else - return trans_send_cmd_pdu(&priv->trans, REPLY_STATISTICS_CMD, + return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, CMD_SYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); } -void iwl_clear_isr_stats(struct iwl_priv *priv) -{ - memset(&priv->isr_stats, 0, sizeof(priv->isr_stats)); -} - int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params) { @@ -1173,7 +1132,7 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, IWL_DEBUG_MAC80211(priv, "enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl_is_ready_rf(priv->shrd)) { IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); return -EIO; } @@ -1185,7 +1144,7 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, q = AC_NUM - 1 - queue; - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->shrd->lock, flags); /* * MULTI-FIXME @@ -1203,7 +1162,7 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0; } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->shrd->lock, flags); IWL_DEBUG_MAC80211(priv, "leave\n"); return 0; @@ -1231,7 +1190,7 @@ static int iwl_setup_interface(struct iwl_priv *priv, struct ieee80211_vif *vif = ctx->vif; int err; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* * This variable will be correct only when there's just @@ -1273,9 +1232,13 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", viftype, vif->addr); - mutex_lock(&priv->mutex); + cancel_delayed_work_sync(&priv->hw_roc_disable_work); + + mutex_lock(&priv->shrd->mutex); - if (!iwl_is_ready_rf(priv)) { + iwlagn_disable_roc(priv); + + if (!iwl_is_ready_rf(priv->shrd)) { IWL_WARN(priv, "Try to add interface when device not ready\n"); err = -EINVAL; goto out; @@ -1318,7 +1281,7 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) ctx->vif = NULL; priv->iw_mode = NL80211_IFTYPE_STATION; out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return err; @@ -1330,7 +1293,7 @@ static void iwl_teardown_interface(struct iwl_priv *priv, { struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (priv->scan_vif == vif) { iwl_scan_cancel_timeout(priv, 200); @@ -1362,14 +1325,14 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); WARN_ON(ctx->vif != vif); ctx->vif = NULL; iwl_teardown_interface(priv, vif, false); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -1393,7 +1356,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) { u32 traffic_size = IWL_TRAFFIC_DUMP_SIZE; - if (iwl_debug_level & IWL_DL_TX) { + if (iwl_get_debug_level(priv->shrd) & IWL_DL_TX) { if (!priv->tx_traffic) { priv->tx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1401,7 +1364,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) return -ENOMEM; } } - if (iwl_debug_level & IWL_DL_RX) { + if (iwl_get_debug_level(priv->shrd) & IWL_DL_RX) { if (!priv->rx_traffic) { priv->rx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1428,7 +1391,7 @@ void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_debug_level & IWL_DL_TX))) + if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_TX))) return; if (!priv->tx_traffic) @@ -1452,7 +1415,7 @@ void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_debug_level & IWL_DL_RX))) + if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_RX))) return; if (!priv->rx_traffic) @@ -1609,7 +1572,7 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) static void iwl_force_rf_reset(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; if (!iwl_is_any_associated(priv)) { @@ -1634,7 +1597,7 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) { struct iwl_force_reset *force_reset; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return -EINVAL; if (mode >= IWL_MAX_FORCE_RESET) { @@ -1693,9 +1656,9 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, newtype = ieee80211_iftype_p2p(newtype, newp2p); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (!ctx->vif || !iwl_is_ready_rf(priv)) { + if (!ctx->vif || !iwl_is_ready_rf(priv->shrd)) { /* * Huh? But wait ... this can maybe happen when * we're in the middle of a firmware restart! @@ -1757,36 +1720,16 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, err = 0; out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return err; } -/* - * On every watchdog tick we check (latest) time stamp. If it does not - * change during timeout period and queue is not empty we reset firmware. - */ -static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt) +static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq) { - struct iwl_tx_queue *txq = &priv->txq[cnt]; - struct iwl_queue *q = &txq->q; - unsigned long timeout; - int ret; - - if (q->read_ptr == q->write_ptr) { - txq->time_stamp = jiffies; - return 0; - } - - timeout = txq->time_stamp + - msecs_to_jiffies(priv->cfg->base_params->wd_timeout); - - if (time_after(jiffies, timeout)) { - IWL_ERR(priv, "Queue %d stuck for %u ms.\n", - q->id, priv->cfg->base_params->wd_timeout); - ret = iwl_force_reset(priv, IWL_FW_RESET, false); + if (iwl_trans_check_stuck_queue(trans(priv), txq)) { + int ret = iwl_force_reset(priv, IWL_FW_RESET, false); return (ret == -EAGAIN) ? 0 : 1; } - return 0; } @@ -1806,7 +1749,7 @@ void iwl_bg_watchdog(unsigned long data) int cnt; unsigned long timeout; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; timeout = priv->cfg->base_params->wd_timeout; @@ -1814,14 +1757,14 @@ void iwl_bg_watchdog(unsigned long data) return; /* monitor and check for stuck cmd queue */ - if (iwl_check_stuck_queue(priv, priv->cmd_queue)) + if (iwl_check_stuck_queue(priv, priv->shrd->cmd_queue)) return; /* monitor and check for other stuck queues */ if (iwl_is_any_associated(priv)) { - for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { + for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) { /* skip as we already checked the command queue */ - if (cnt == priv->cmd_queue) + if (cnt == priv->shrd->cmd_queue) continue; if (iwl_check_stuck_queue(priv, cnt)) return; @@ -1860,12 +1803,12 @@ u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval) quot = (usec / interval) & (iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits) >> - priv->hw_params.beacon_time_tsf_bits); + hw_params(priv).beacon_time_tsf_bits) >> + hw_params(priv).beacon_time_tsf_bits); rem = (usec % interval) & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + hw_params(priv).beacon_time_tsf_bits); - return (quot << priv->hw_params.beacon_time_tsf_bits) + rem; + return (quot << hw_params(priv).beacon_time_tsf_bits) + rem; } /* base is usually what we get from ucode with each received frame, @@ -1875,64 +1818,61 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, u32 addon, u32 beacon_interval) { u32 base_low = base & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + hw_params(priv).beacon_time_tsf_bits); u32 addon_low = addon & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + hw_params(priv).beacon_time_tsf_bits); u32 interval = beacon_interval * TIME_UNIT; u32 res = (base & iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits)) + + hw_params(priv).beacon_time_tsf_bits)) + (addon & iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits)); + hw_params(priv).beacon_time_tsf_bits)); if (base_low > addon_low) res += base_low - addon_low; else if (base_low < addon_low) { res += interval + base_low - addon_low; - res += (1 << priv->hw_params.beacon_time_tsf_bits); + res += (1 << hw_params(priv).beacon_time_tsf_bits); } else - res += (1 << priv->hw_params.beacon_time_tsf_bits); + res += (1 << hw_params(priv).beacon_time_tsf_bits); return cpu_to_le32(res); } -#ifdef CONFIG_PM - -int iwl_suspend(struct iwl_priv *priv) +void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid) { - /* - * This function is called when system goes into suspend state - * mac80211 will call iwl_mac_stop() from the mac80211 suspend function - * first but since iwl_mac_stop() has no knowledge of who the caller is, - * it will not call apm_ops.stop() to stop the DMA operation. - * Calling apm_ops.stop here to make sure we stop the DMA. - * - * But of course ... if we have configured WoWLAN then we did other - * things already :-) - */ - if (!priv->wowlan) - iwl_apm_stop(priv); + struct ieee80211_vif *vif; + u8 *addr = priv->stations[sta_id].sta.sta.addr; - return 0; + if (ctx == NUM_IWL_RXON_CTX) + ctx = priv->stations[sta_id].ctxid; + vif = priv->contexts[ctx].vif; + + ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); } -int iwl_resume(struct iwl_priv *priv) +void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid) { - bool hw_rfkill = false; + struct ieee80211_vif *vif; + u8 *addr = priv->stations[sta_id].sta.sta.addr; - iwl_enable_interrupts(priv); + if (ctx == NUM_IWL_RXON_CTX) + ctx = priv->stations[sta_id].ctxid; + vif = priv->contexts[ctx].vif; - if (!(iwl_read32(priv, CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rfkill = true; + ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); +} - if (hw_rfkill) - set_bit(STATUS_RF_KILL_HW, &priv->status); - else - clear_bit(STATUS_RF_KILL_HW, &priv->status); +void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state) +{ + wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); +} - wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rfkill); +void iwl_nic_config(struct iwl_priv *priv) +{ + priv->cfg->lib->nic_config(priv); - return 0; } - -#endif /* CONFIG_PM */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 02817a438550..56b554c43fde 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -71,15 +71,8 @@ struct iwl_host_cmd; struct iwl_cmd; - -#define IWLWIFI_VERSION "in-tree:" -#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" -#define DRV_AUTHOR "<ilw@linux.intel.com>" - #define TIME_UNIT 1024 -#define IWL_CMD(x) case x: return #x - struct iwl_lib_ops { /* set hw dependent parameters */ int (*set_hw_params)(struct iwl_priv *priv); @@ -101,23 +94,6 @@ struct iwl_lib_ops { void (*temperature)(struct iwl_priv *priv); }; -struct iwl_mod_params { - int sw_crypto; /* def: 0 = using hardware encryption */ - int num_of_queues; /* def: HW dependent */ - int disable_11n; /* def: 0 = 11n capabilities enabled */ - int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */ - int antenna; /* def: 0 = both antennas (use diversity) */ - int restart_fw; /* def: 1 = restart firmware */ - bool plcp_check; /* def: true = enable plcp health check */ - bool ack_check; /* def: false = disable ack health check */ - bool wd_disable; /* def: false = enable stuck queue check */ - bool bt_coex_active; /* def: true = enable bt coex */ - int led_mode; /* def: 0 = system default */ - bool no_sleep_autoadjust; /* def: true = disable autoadjust */ - bool power_save; /* def: false = disable power save */ - int power_level; /* def: 1 = power level */ -}; - /* * @max_ll_items: max number of OTP blocks * @shadow_ram_support: shadow support for OTP memory @@ -136,6 +112,7 @@ struct iwl_mod_params { * @max_event_log_size: size of event log buffer size for ucode event logging * @shadow_reg_enable: HW shadhow register bit * @no_idle_support: do not support idle mode + * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up */ struct iwl_base_params { int eeprom_size; @@ -158,6 +135,7 @@ struct iwl_base_params { u32 max_event_log_size; const bool shadow_reg_enable; const bool no_idle_support; + const bool hd_v2; }; /* * @advanced_bt_coexist: support advanced bt coexist @@ -194,6 +172,8 @@ struct iwl_ht_params { * (.ucode) will be added to filename before loading from disk. The * filename is constructed as fw_name_pre<api>.ucode. * @ucode_api_max: Highest version of uCode API supported by driver. + * @ucode_api_ok: oldest version of the uCode API that is OK to load + * without a warning, for use in transitions * @ucode_api_min: Lowest version of uCode API supported by driver. * @valid_tx_ant: valid transmit antenna * @valid_rx_ant: valid receive antenna @@ -218,16 +198,7 @@ struct iwl_ht_params { * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the * highest and @ucode_api_min the lowest). Firmware will only be loaded if - * it has a supported API version. The firmware's API version will be - * stored in @iwl_priv, enabling the driver to make runtime changes based - * on firmware version used. - * - * For example, - * if (IWL_UCODE_API(priv->ucode_ver) >= 2) { - * Driver interacts with Firmware API version >= 2. - * } else { - * Driver interacts with Firmware API version 1. - * } + * it has a supported API version. * * The ideal usage of this infrastructure is to treat a new ucode API * release as a new hardware revision. @@ -237,6 +208,7 @@ struct iwl_cfg { const char *name; const char *fw_name_pre; const unsigned int ucode_api_max; + const unsigned int ucode_api_ok; const unsigned int ucode_api_min; u8 valid_tx_ant; u8 valid_rx_ant; @@ -287,7 +259,6 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, void iwl_connection_init_rx_config(struct iwl_priv *priv, struct iwl_rxon_context *ctx); void iwl_set_rate(struct iwl_priv *priv); -void iwl_irq_handle_error(struct iwl_priv *priv); int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void iwl_mac_remove_interface(struct ieee80211_hw *hw, @@ -298,7 +269,6 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_alloc_traffic_mem(struct iwl_priv *priv); void iwl_free_traffic_mem(struct iwl_priv *priv); -void iwl_reset_traffic_log(struct iwl_priv *priv); void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, u16 length, struct ieee80211_hdr *header); void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, @@ -387,117 +357,21 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, * S e n d i n g H o s t C o m m a n d s * *****************************************************/ -const char *get_cmd_string(u8 cmd); void iwl_bg_watchdog(unsigned long data); u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval); __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, u32 addon, u32 beacon_interval); -#ifdef CONFIG_PM -int iwl_suspend(struct iwl_priv *priv); -int iwl_resume(struct iwl_priv *priv); -#endif /* !CONFIG_PM */ - -int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg); -void __devexit iwl_remove(struct iwl_priv * priv); - -/***************************************************** -* Error Handling Debugging -******************************************************/ -void iwl_dump_nic_error_log(struct iwl_priv *priv); -int iwl_dump_nic_event_log(struct iwl_priv *priv, - bool full_log, char **buf, bool display); -void iwl_dump_csr(struct iwl_priv *priv); -int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display); -#ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx); -#else -static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ -} -#endif - -void iwl_clear_isr_stats(struct iwl_priv *priv); /***************************************************** * GEOS ******************************************************/ -int iwlcore_init_geos(struct iwl_priv *priv); -void iwlcore_free_geos(struct iwl_priv *priv); - -/*************** DRIVER STATUS FUNCTIONS *****/ - -#define STATUS_HCMD_ACTIVE 0 /* host command in progress */ -/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */ -#define STATUS_INT_ENABLED 2 -#define STATUS_RF_KILL_HW 3 -#define STATUS_CT_KILL 4 -#define STATUS_INIT 5 -#define STATUS_ALIVE 6 -#define STATUS_READY 7 -#define STATUS_TEMPERATURE 8 -#define STATUS_GEO_CONFIGURED 9 -#define STATUS_EXIT_PENDING 10 -#define STATUS_STATISTICS 12 -#define STATUS_SCANNING 13 -#define STATUS_SCAN_ABORTING 14 -#define STATUS_SCAN_HW 15 -#define STATUS_POWER_PMI 16 -#define STATUS_FW_ERROR 17 -#define STATUS_DEVICE_ENABLED 18 -#define STATUS_CHANNEL_SWITCH_PENDING 19 - - -static inline int iwl_is_ready(struct iwl_priv *priv) -{ - /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are - * set but EXIT_PENDING is not */ - return test_bit(STATUS_READY, &priv->status) && - test_bit(STATUS_GEO_CONFIGURED, &priv->status) && - !test_bit(STATUS_EXIT_PENDING, &priv->status); -} - -static inline int iwl_is_alive(struct iwl_priv *priv) -{ - return test_bit(STATUS_ALIVE, &priv->status); -} - -static inline int iwl_is_init(struct iwl_priv *priv) -{ - return test_bit(STATUS_INIT, &priv->status); -} - -static inline int iwl_is_rfkill_hw(struct iwl_priv *priv) -{ - return test_bit(STATUS_RF_KILL_HW, &priv->status); -} - -static inline int iwl_is_rfkill(struct iwl_priv *priv) -{ - return iwl_is_rfkill_hw(priv); -} - -static inline int iwl_is_ctkill(struct iwl_priv *priv) -{ - return test_bit(STATUS_CT_KILL, &priv->status); -} - -static inline int iwl_is_ready_rf(struct iwl_priv *priv) -{ - - if (iwl_is_rfkill(priv)) - return 0; - - return iwl_is_ready(priv); -} +int iwl_init_geos(struct iwl_priv *priv); +void iwl_free_geos(struct iwl_priv *priv); extern void iwl_send_bt_config(struct iwl_priv *priv); extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear); -void iwl_apm_stop(struct iwl_priv *priv); -int iwl_apm_init(struct iwl_priv *priv); int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -515,7 +389,4 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) extern bool bt_siso_mode; - -void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); - #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index d6dbb0423045..b9f3267e720c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -439,4 +439,22 @@ */ #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) +/********************************************************** + * CSR values + **********************************************************/ + /* + * host interrupt timeout value + * used with setting interrupt coalescing timer + * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit + * + * default interrupt coalescing timer is 64 x 32 = 2048 usecs + * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs + */ +#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) +#define IWL_HOST_INT_TIMEOUT_DEF (0x40) +#define IWL_HOST_INT_TIMEOUT_MIN (0x0) +#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) +#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) +#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) + #endif /* !__iwl_csr_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index f9a407e40aff..7014f4124484 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -29,50 +29,51 @@ #ifndef __iwl_debug_h__ #define __iwl_debug_h__ +#include "iwl-bus.h" +#include "iwl-shared.h" + struct iwl_priv; -extern u32 iwl_debug_level; -#define IWL_ERR(p, f, a...) dev_err(p->bus->dev, f, ## a) -#define IWL_WARN(p, f, a...) dev_warn(p->bus->dev, f, ## a) -#define IWL_INFO(p, f, a...) dev_info(p->bus->dev, f, ## a) -#define IWL_CRIT(p, f, a...) dev_crit(p->bus->dev, f, ## a) +/*No matter what is m (priv, bus, trans), this will work */ +#define IWL_ERR(m, f, a...) dev_err(bus(m)->dev, f, ## a) +#define IWL_WARN(m, f, a...) dev_warn(bus(m)->dev, f, ## a) +#define IWL_INFO(m, f, a...) dev_info(bus(m)->dev, f, ## a) +#define IWL_CRIT(m, f, a...) dev_crit(bus(m)->dev, f, ## a) -#define iwl_print_hex_error(priv, p, len) \ +#define iwl_print_hex_error(m, p, len) \ do { \ print_hex_dump(KERN_ERR, "iwl data: ", \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) #ifdef CONFIG_IWLWIFI_DEBUG -#define IWL_DEBUG(__priv, level, fmt, args...) \ +#define IWL_DEBUG(m, level, fmt, args...) \ do { \ - if (iwl_get_debug_level(__priv) & (level)) \ - dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev), \ + if (iwl_get_debug_level((m)->shrd) & (level)) \ + dev_printk(KERN_ERR, bus(m)->dev, \ "%c %s " fmt, in_interrupt() ? 'I' : 'U', \ __func__ , ## args); \ } while (0) -#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...) \ +#define IWL_DEBUG_LIMIT(m, level, fmt, args...) \ do { \ - if ((iwl_get_debug_level(__priv) & (level)) && net_ratelimit()) \ - dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev), \ + if (iwl_get_debug_level((m)->shrd) & (level) && net_ratelimit())\ + dev_printk(KERN_ERR, bus(m)->dev, \ "%c %s " fmt, in_interrupt() ? 'I' : 'U', \ __func__ , ## args); \ } while (0) -#define iwl_print_hex_dump(priv, level, p, len) \ +#define iwl_print_hex_dump(m, level, p, len) \ do { \ - if (iwl_get_debug_level(priv) & level) \ + if (iwl_get_debug_level((m)->shrd) & level) \ print_hex_dump(KERN_DEBUG, "iwl data: ", \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) #else -#define IWL_DEBUG(__priv, level, fmt, args...) -#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...) -static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, - const void *p, u32 len) -{} +#define IWL_DEBUG(m, level, fmt, args...) +#define IWL_DEBUG_LIMIT(m, level, fmt, args...) +#define iwl_print_hex_dump(m, level, p, len) #endif /* CONFIG_IWLWIFI_DEBUG */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -166,6 +167,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) #define IWL_DEBUG_CALIB(p, f, a...) IWL_DEBUG(p, IWL_DL_CALIB, f, ## a) #define IWL_DEBUG_FW(p, f, a...) IWL_DEBUG(p, IWL_DL_FW, f, ## a) #define IWL_DEBUG_RF_KILL(p, f, a...) IWL_DEBUG(p, IWL_DL_RF_KILL, f, ## a) +#define IWL_DEBUG_FW_ERRORS(p, f, a...) IWL_DEBUG(p, IWL_DL_FW_ERRORS, f, ## a) #define IWL_DEBUG_DROP(p, f, a...) IWL_DEBUG(p, IWL_DL_DROP, f, ## a) #define IWL_DEBUG_DROP_LIMIT(p, f, a...) \ IWL_DEBUG_LIMIT(p, IWL_DL_DROP, f, ## a) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index ec1485b2d3fe..d0c63cfee15c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -254,7 +254,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, sram = priv->dbgfs_sram_offset & ~0x3; /* read the first u32 from sram */ - val = iwl_read_targ_mem(priv, sram); + val = iwl_read_targ_mem(bus(priv), sram); for (; len; len--) { /* put the address at the start of every line */ @@ -273,7 +273,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, if (++offset == 4) { sram += 4; offset = 0; - val = iwl_read_targ_mem(priv, sram); + val = iwl_read_targ_mem(bus(priv), sram); } /* put in extra spaces and split lines for human readability */ @@ -340,7 +340,8 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, { struct iwl_priv *priv = file->private_data; struct iwl_station_entry *station; - int max_sta = priv->hw_params.max_stations; + struct iwl_tid_data *tid_data; + int max_sta = hw_params(priv).max_stations; char *buf; int i, j, pos = 0; ssize_t ret; @@ -363,22 +364,18 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, i, station->sta.sta.addr, station->sta.station_flags_msk); pos += scnprintf(buf + pos, bufsz - pos, - "TID\tseq_num\ttxq_id\tframes\ttfds\t"); - pos += scnprintf(buf + pos, bufsz - pos, - "start_idx\tbitmap\t\t\trate_n_flags\n"); + "TID\tseq_num\ttxq_id\ttfds\trate_n_flags\n"); - for (j = 0; j < MAX_TID_COUNT; j++) { + for (j = 0; j < IWL_MAX_TID_COUNT; j++) { + tid_data = &priv->shrd->tid_data[i][j]; pos += scnprintf(buf + pos, bufsz - pos, - "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", - j, station->tid[j].seq_number, - station->tid[j].agg.txq_id, - station->tid[j].agg.frame_count, - station->tid[j].tfds_in_queue, - station->tid[j].agg.start_idx, - station->tid[j].agg.bitmap, - station->tid[j].agg.rate_n_flags); - - if (station->tid[j].agg.wait_for_ba) + "%d:\t%#x\t%#x\t%u\t%#x", + j, tid_data->seq_number, + tid_data->agg.txq_id, + tid_data->tfds_in_queue, + tid_data->agg.rate_n_flags); + + if (tid_data->agg.wait_for_ba) pos += scnprintf(buf + pos, bufsz - pos, " - waitforba"); pos += scnprintf(buf + pos, bufsz - pos, "\n"); @@ -442,46 +439,6 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, return ret; } -static ssize_t iwl_dbgfs_log_event_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - char *buf; - int pos = 0; - ssize_t ret = -ENOMEM; - - ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true); - if (buf) { - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - } - return ret; -} - -static ssize_t iwl_dbgfs_log_event_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - u32 event_log_flag; - char buf[8]; - int buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - if (sscanf(buf, "%d", &event_log_flag) != 1) - return -EFAULT; - if (event_log_flag == 1) - iwl_dump_nic_event_log(priv, true, NULL, false); - - return count; -} - - - static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -492,7 +449,7 @@ static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, char *buf; ssize_t ret; - if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) + if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -562,45 +519,46 @@ static ssize_t iwl_dbgfs_status_read(struct file *file, const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", - test_bit(STATUS_HCMD_ACTIVE, &priv->status)); + test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", - test_bit(STATUS_INT_ENABLED, &priv->status)); + test_bit(STATUS_INT_ENABLED, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", - test_bit(STATUS_RF_KILL_HW, &priv->status)); + test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", - test_bit(STATUS_CT_KILL, &priv->status)); + test_bit(STATUS_CT_KILL, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", - test_bit(STATUS_INIT, &priv->status)); + test_bit(STATUS_INIT, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", - test_bit(STATUS_ALIVE, &priv->status)); + test_bit(STATUS_ALIVE, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", - test_bit(STATUS_READY, &priv->status)); + test_bit(STATUS_READY, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", - test_bit(STATUS_TEMPERATURE, &priv->status)); + test_bit(STATUS_TEMPERATURE, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", - test_bit(STATUS_GEO_CONFIGURED, &priv->status)); + test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", - test_bit(STATUS_EXIT_PENDING, &priv->status)); + test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", - test_bit(STATUS_STATISTICS, &priv->status)); + test_bit(STATUS_STATISTICS, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", - test_bit(STATUS_SCANNING, &priv->status)); + test_bit(STATUS_SCANNING, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", - test_bit(STATUS_SCAN_ABORTING, &priv->status)); + test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", - test_bit(STATUS_SCAN_HW, &priv->status)); + test_bit(STATUS_SCAN_HW, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", - test_bit(STATUS_POWER_PMI, &priv->status)); + test_bit(STATUS_POWER_PMI, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", - test_bit(STATUS_FW_ERROR, &priv->status)); + test_bit(STATUS_FW_ERROR, &priv->shrd->status)); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } -static ssize_t iwl_dbgfs_interrupt_read(struct file *file, +static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; + int pos = 0; int cnt = 0; char *buf; @@ -613,61 +571,25 @@ static ssize_t iwl_dbgfs_interrupt_read(struct file *file, return -ENOMEM; } - pos += scnprintf(buf + pos, bufsz - pos, - "Interrupt Statistics Report:\n"); - - pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", - priv->isr_stats.hw); - pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", - priv->isr_stats.sw); - if (priv->isr_stats.sw || priv->isr_stats.hw) { - pos += scnprintf(buf + pos, bufsz - pos, - "\tLast Restarting Code: 0x%X\n", - priv->isr_stats.err_code); - } -#ifdef CONFIG_IWLWIFI_DEBUG - pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", - priv->isr_stats.sch); - pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", - priv->isr_stats.alive); -#endif - pos += scnprintf(buf + pos, bufsz - pos, - "HW RF KILL switch toggled:\t %u\n", - priv->isr_stats.rfkill); - - pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", - priv->isr_stats.ctkill); - - pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", - priv->isr_stats.wakeup); - - pos += scnprintf(buf + pos, bufsz - pos, - "Rx command responses:\t\t %u\n", - priv->isr_stats.rx); for (cnt = 0; cnt < REPLY_MAX; cnt++) { - if (priv->isr_stats.rx_handlers[cnt] > 0) + if (priv->rx_handlers_stats[cnt] > 0) pos += scnprintf(buf + pos, bufsz - pos, "\tRx handler[%36s]:\t\t %u\n", get_cmd_string(cnt), - priv->isr_stats.rx_handlers[cnt]); + priv->rx_handlers_stats[cnt]); } - pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", - priv->isr_stats.tx); - - pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", - priv->isr_stats.unhandled); - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } -static ssize_t iwl_dbgfs_interrupt_write(struct file *file, +static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; + char buf[8]; int buf_size; u32 reset_flag; @@ -679,7 +601,8 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, if (sscanf(buf, "%x", &reset_flag) != 1) return -EFAULT; if (reset_flag == 0) - iwl_clear_isr_stats(priv); + memset(&priv->rx_handlers_stats[0], 0, + sizeof(priv->rx_handlers_stats)); return count; } @@ -814,14 +737,14 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) return -EINVAL; - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return -EAGAIN; priv->power_data.debug_sleep_level_override = value; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_power_update_mode(priv, true); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return count; } @@ -870,12 +793,11 @@ static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, DEBUGFS_READ_WRITE_FILE_OPS(sram); DEBUGFS_READ_FILE_OPS(wowlan_sram); -DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); DEBUGFS_READ_FILE_OPS(stations); DEBUGFS_READ_FILE_OPS(channels); DEBUGFS_READ_FILE_OPS(status); -DEBUGFS_READ_WRITE_FILE_OPS(interrupt); +DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); DEBUGFS_READ_FILE_OPS(qos); DEBUGFS_READ_FILE_OPS(thermal_throttling); DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); @@ -889,36 +811,23 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, struct iwl_priv *priv = file->private_data; int pos = 0, ofs = 0; int cnt = 0, entry; - struct iwl_tx_queue *txq; - struct iwl_queue *q; - struct iwl_rx_queue *rxq = &priv->rxq; + char *buf; int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + - (priv->cfg->base_params->num_of_queues * 32 * 8) + 400; + (hw_params(priv).max_txq_num * 32 * 8) + 400; const u8 *ptr; ssize_t ret; - if (!priv->txq) { - IWL_ERR(priv, "txq not ready\n"); - return -EAGAIN; - } buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) { IWL_ERR(priv, "Can not allocate buffer\n"); return -ENOMEM; } - pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); - for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { - txq = &priv->txq[cnt]; - q = &txq->q; - pos += scnprintf(buf + pos, bufsz - pos, - "q[%d]: read_ptr: %u, write_ptr: %u\n", - cnt, q->read_ptr, q->write_ptr); - } - if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { + if (priv->tx_traffic && + (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) { ptr = priv->tx_traffic; pos += scnprintf(buf + pos, bufsz - pos, - "Tx Traffic idx: %u\n", priv->tx_traffic_idx); + "Tx Traffic idx: %u\n", priv->tx_traffic_idx); for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; entry++, ofs += 16) { @@ -933,15 +842,11 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, } } - pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); - pos += scnprintf(buf + pos, bufsz - pos, - "read: %u, write: %u\n", - rxq->read, rxq->write); - - if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { + if (priv->rx_traffic && + (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) { ptr = priv->rx_traffic; pos += scnprintf(buf + pos, bufsz - pos, - "Rx Traffic idx: %u\n", priv->rx_traffic_idx); + "Rx Traffic idx: %u\n", priv->rx_traffic_idx); for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; entry++, ofs += 16) { @@ -982,76 +887,6 @@ static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, return count; } -static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) { - - struct iwl_priv *priv = file->private_data; - struct iwl_tx_queue *txq; - struct iwl_queue *q; - char *buf; - int pos = 0; - int cnt; - int ret; - const size_t bufsz = sizeof(char) * 64 * - priv->cfg->base_params->num_of_queues; - - if (!priv->txq) { - IWL_ERR(priv, "txq not ready\n"); - return -EAGAIN; - } - buf = kzalloc(bufsz, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { - txq = &priv->txq[cnt]; - q = &txq->q; - pos += scnprintf(buf + pos, bufsz - pos, - "hwq %.2d: read=%u write=%u stop=%d" - " swq_id=%#.2x (ac %d/hwq %d)\n", - cnt, q->read_ptr, q->write_ptr, - !!test_bit(cnt, priv->queue_stopped), - txq->swq_id, txq->swq_id & 3, - (txq->swq_id >> 2) & 0x1f); - if (cnt >= 4) - continue; - /* for the ACs, display the stop count too */ - pos += scnprintf(buf + pos, bufsz - pos, - " stop-count: %d\n", - atomic_read(&priv->queue_stop_count[cnt])); - } - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - return ret; -} - -static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) { - - struct iwl_priv *priv = file->private_data; - struct iwl_rx_queue *rxq = &priv->rxq; - char buf[256]; - int pos = 0; - const size_t bufsz = sizeof(buf); - - pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", - rxq->read); - pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", - rxq->write); - pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", - rxq->free_count); - if (rxq->rb_stts) { - pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", - le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); - } else { - pos += scnprintf(buf + pos, bufsz - pos, - "closed_rb_num: Not Allocated\n"); - } - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); -} - static const char *fmt_value = " %-30s %10u\n"; static const char *fmt_hex = " %-30s 0x%02X\n"; static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; @@ -1096,7 +931,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, struct statistics_rx_non_phy *delta_general, *max_general; struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -1522,7 +1357,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, ssize_t ret; struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -1716,7 +1551,7 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; struct statistics_div *div, *accum_div, *delta_div, *max_div; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -1829,16 +1664,16 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, ssize_t ret; struct statistics_bt_activity *bt, *accum_bt; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; if (!priv->bt_enable_flag) return -EINVAL; /* make request to uCode to retrieve statistics information */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); ret = iwl_send_statistics_request(priv, CMD_SYNC, false); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); if (ret) { IWL_ERR(priv, @@ -1917,7 +1752,7 @@ static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; ssize_t ret; - if (!iwl_is_alive(priv)) + if (!iwl_is_alive(priv->shrd)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -2199,7 +2034,7 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, const size_t bufsz = sizeof(buf); u32 pwrsave_status; - pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & + pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) & CSR_GP_REG_POWER_SAVE_STATUS_MSK; pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); @@ -2229,30 +2064,9 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, return -EFAULT; /* make request to uCode to retrieve statistics information */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_send_statistics_request(priv, CMD_SYNC, true); - mutex_unlock(&priv->mutex); - - return count; -} - -static ssize_t iwl_dbgfs_csr_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - char buf[8]; - int buf_size; - int csr; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - if (sscanf(buf, "%d", &csr) != 1) - return -EFAULT; - - iwl_dump_csr(priv); + mutex_unlock(&priv->shrd->mutex); return count; } @@ -2333,25 +2147,6 @@ static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, len); } -static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - char *buf; - int pos = 0; - ssize_t ret = -EFAULT; - - ret = pos = iwl_dump_fh(priv, &buf, true); - if (buf) { - ret = simple_read_from_buffer(user_buf, - count, ppos, buf, pos); - kfree(buf); - } - - return ret; -} - static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -2504,7 +2299,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, if (sscanf(buf, "%d", &flush) != 1) return -EINVAL; - if (iwl_is_rfkill(priv)) + if (iwl_is_rfkill(priv->shrd)) return -EFAULT; iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); @@ -2629,8 +2424,6 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); -DEBUGFS_READ_FILE_OPS(rx_queue); -DEBUGFS_READ_FILE_OPS(tx_queue); DEBUGFS_READ_FILE_OPS(ucode_rx_stats); DEBUGFS_READ_FILE_OPS(ucode_tx_stats); DEBUGFS_READ_FILE_OPS(ucode_general_stats); @@ -2639,9 +2432,7 @@ DEBUGFS_READ_FILE_OPS(chain_noise); DEBUGFS_READ_FILE_OPS(power_save_status); DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); -DEBUGFS_WRITE_FILE_OPS(csr); DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); -DEBUGFS_READ_FILE_OPS(fh_reg); DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); @@ -2682,11 +2473,10 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR); - DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); - DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); + DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); @@ -2695,13 +2485,9 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); - DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); - DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); - DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); - DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); @@ -2725,6 +2511,9 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) &priv->disable_sens_cal); DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, &priv->disable_chain_noise_cal); + + if (iwl_trans_dbgfs_register(trans(priv), dir_debug)) + goto err; return 0; err: diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 6c9790cac8d0..8438a33e17ee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -32,16 +32,15 @@ #define __iwl_dev_h__ #include <linux/interrupt.h> -#include <linux/pci.h> /* for struct pci_device_id */ #include <linux/kernel.h> #include <linux/wait.h> #include <linux/leds.h> +#include <linux/slab.h> #include <net/ieee80211_radiotap.h> #include "iwl-eeprom.h" #include "iwl-csr.h" #include "iwl-prph.h" -#include "iwl-fh.h" #include "iwl-debug.h" #include "iwl-agn-hw.h" #include "iwl-led.h" @@ -50,8 +49,7 @@ #include "iwl-agn-tt.h" #include "iwl-bus.h" #include "iwl-trans.h" - -#define DRV_NAME "iwlagn" +#include "iwl-shared.h" struct iwl_tx_queue; @@ -90,109 +88,6 @@ struct iwl_tx_queue; #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U -struct iwl_rx_mem_buffer { - dma_addr_t page_dma; - struct page *page; - struct list_head list; -}; - -#define rxb_addr(r) page_address(r->page) - -/* defined below */ -struct iwl_device_cmd; - -struct iwl_cmd_meta { - /* only for SYNC commands, iff the reply skb is wanted */ - struct iwl_host_cmd *source; - /* - * only for ASYNC commands - * (which is somewhat stupid -- look at iwl-sta.c for instance - * which duplicates a bunch of code because the callback isn't - * invoked for SYNC commands, if it were and its result passed - * through it would be simpler...) - */ - void (*callback)(struct iwl_priv *priv, - struct iwl_device_cmd *cmd, - struct iwl_rx_packet *pkt); - - u32 flags; - - DEFINE_DMA_UNMAP_ADDR(mapping); - DEFINE_DMA_UNMAP_LEN(len); -}; - -/* - * Generic queue structure - * - * Contains common data for Rx and Tx queues. - * - * Note the difference between n_bd and n_window: the hardware - * always assumes 256 descriptors, so n_bd is always 256 (unless - * there might be HW changes in the future). For the normal TX - * queues, n_window, which is the size of the software queue data - * is also 256; however, for the command queue, n_window is only - * 32 since we don't need so many commands pending. Since the HW - * still uses 256 BDs for DMA though, n_bd stays 256. As a result, - * the software buffers (in the variables @meta, @txb in struct - * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds - * in the same struct) have 256. - * This means that we end up with the following: - * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | - * SW entries: | 0 | ... | 31 | - * where N is a number between 0 and 7. This means that the SW - * data is a window overlayed over the HW queue. - */ -struct iwl_queue { - int n_bd; /* number of BDs in this queue */ - int write_ptr; /* 1-st empty entry (index) host_w*/ - int read_ptr; /* last used entry (index) host_r*/ - /* use for monitoring and recovering the stuck queue */ - dma_addr_t dma_addr; /* physical addr for BD's */ - int n_window; /* safe queue window */ - u32 id; - int low_mark; /* low watermark, resume queue if free - * space more than this */ - int high_mark; /* high watermark, stop queue if free - * space less than this */ -}; - -/* One for each TFD */ -struct iwl_tx_info { - struct sk_buff *skb; - struct iwl_rxon_context *ctx; -}; - -/** - * struct iwl_tx_queue - Tx Queue for DMA - * @q: generic Rx/Tx queue descriptor - * @bd: base of circular buffer of TFDs - * @cmd: array of command/TX buffer pointers - * @meta: array of meta data for each command/tx buffer - * @dma_addr_cmd: physical address of cmd/tx buffer array - * @txb: array of per-TFD driver data - * @time_stamp: time (in jiffies) of last read_ptr change - * @need_update: indicates need to update read/write index - * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled - * - * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame - * descriptors) and required locking structures. - */ -#define TFD_TX_CMD_SLOTS 256 -#define TFD_CMD_SLOTS 32 - -struct iwl_tx_queue { - struct iwl_queue q; - struct iwl_tfd *tfds; - struct iwl_device_cmd **cmd; - struct iwl_cmd_meta *meta; - struct iwl_tx_info *txb; - unsigned long time_stamp; - u8 need_update; - u8 sched_retry; - u8 active; - u8 swq_id; -}; - #define IWL_NUM_SCAN_RATES (2) /* @@ -222,20 +117,16 @@ struct iwl_channel_info { u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ }; -#define IWL_TX_FIFO_BK 0 /* shared */ -#define IWL_TX_FIFO_BE 1 -#define IWL_TX_FIFO_VI 2 /* shared */ -#define IWL_TX_FIFO_VO 3 -#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK -#define IWL_TX_FIFO_BE_IPAN 4 -#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI -#define IWL_TX_FIFO_VO_IPAN 5 -#define IWL_TX_FIFO_UNUSED -1 - -/* Minimum number of queues. MAX_NUM is defined in hw specific files. - * Set the minimum to accommodate the 4 standard TX queues, 1 command - * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ -#define IWL_MIN_NUM_QUEUES 10 +/* + * Minimum number of queues. MAX_NUM is defined in hw specific files. + * Set the minimum to accommodate + * - 4 standard TX queues + * - the command queue + * - 4 PAN TX queues + * - the PAN multicast queue, and + * - the AUX (TX during scan dwell) queue. + */ +#define IWL_MIN_NUM_QUEUES 11 /* * Command queue depends on iPAN support. @@ -243,161 +134,20 @@ struct iwl_channel_info { #define IWL_DEFAULT_CMD_QUEUE_NUM 4 #define IWL_IPAN_CMD_QUEUE_NUM 9 -/* - * This queue number is required for proper operation - * because the ucode will stop/start the scheduler as - * required. - */ -#define IWL_IPAN_MCAST_QUEUE 8 - #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) - -#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) -#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) -#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) - -enum { - CMD_SYNC = 0, - CMD_ASYNC = BIT(0), - CMD_WANT_SKB = BIT(1), - CMD_ON_DEMAND = BIT(2), -}; - -#define DEF_CMD_PAYLOAD_SIZE 320 - -/** - * struct iwl_device_cmd - * - * For allocation of the command and tx queues, this establishes the overall - * size of the largest command we send to uCode, except for commands that - * aren't fully copied and use other TFD space. - */ -struct iwl_device_cmd { - struct iwl_cmd_header hdr; /* uCode API */ - union { - u32 flags; - u8 val8; - u16 val16; - u32 val32; - struct iwl_tx_cmd tx; - struct iwl6000_channel_switch_cmd chswitch; - u8 payload[DEF_CMD_PAYLOAD_SIZE]; - } __packed cmd; -} __packed; - -#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) - -#define IWL_MAX_CMD_TFDS 2 - -enum iwl_hcmd_dataflag { - IWL_HCMD_DFL_NOCOPY = BIT(0), -}; - -/** - * struct iwl_host_cmd - Host command to the uCode - * @data: array of chunks that composes the data of the host command - * @reply_page: pointer to the page that holds the response to the host command - * @callback: - * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC - * @len: array of the lenths of the chunks in data - * @dataflags: - * @id: id of the host command - */ -struct iwl_host_cmd { - const void *data[IWL_MAX_CMD_TFDS]; - unsigned long reply_page; - void (*callback)(struct iwl_priv *priv, - struct iwl_device_cmd *cmd, - struct iwl_rx_packet *pkt); - u32 flags; - u16 len[IWL_MAX_CMD_TFDS]; - u8 dataflags[IWL_MAX_CMD_TFDS]; - u8 id; -}; - #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 -/** - * struct iwl_rx_queue - Rx queue - * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) - * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) - * @read: Shared index to newest available Rx buffer - * @write: Shared index to oldest written Rx packet - * @free_count: Number of pre-allocated buffers in rx_free - * @rx_free: list of free SKBs for use - * @rx_used: List of Rx buffers with no SKB - * @need_update: flag to indicate we need to update read/write index - * @rb_stts: driver's pointer to receive buffer status - * @rb_stts_dma: bus address of receive buffer status - * - * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers - */ -struct iwl_rx_queue { - __le32 *bd; - dma_addr_t bd_dma; - struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; - struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; - u32 read; - u32 write; - u32 free_count; - u32 write_actual; - struct list_head rx_free; - struct list_head rx_used; - int need_update; - struct iwl_rb_status *rb_stts; - dma_addr_t rb_stts_dma; - spinlock_t lock; -}; - #define IWL_SUPPORTED_RATES_IE_LEN 8 -#define MAX_TID_COUNT 9 - #define IWL_INVALID_RATE 0xFF #define IWL_INVALID_VALUE -1 -/** - * struct iwl_ht_agg -- aggregation status while waiting for block-ack - * @txq_id: Tx queue used for Tx attempt - * @frame_count: # frames attempted by Tx command - * @wait_for_ba: Expect block-ack before next Tx reply - * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window - * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window - * @bitmap1: High order, one bit for each frame pending ACK in Tx window - * @rate_n_flags: Rate at which Tx was attempted - * - * If REPLY_TX indicates that aggregation was attempted, driver must wait - * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info - * until block ack arrives. - */ -struct iwl_ht_agg { - u16 txq_id; - u16 frame_count; - u16 wait_for_ba; - u16 start_idx; - u64 bitmap; - u32 rate_n_flags; -#define IWL_AGG_OFF 0 -#define IWL_AGG_ON 1 -#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 -#define IWL_EMPTYING_HW_QUEUE_DELBA 3 - u8 state; - u8 tx_fifo; -}; - - -struct iwl_tid_data { - u16 seq_number; /* agn only */ - u16 tfds_in_queue; - struct iwl_ht_agg agg; -}; - union iwl_ht_rate_supp { u16 rates; struct { @@ -448,7 +198,6 @@ struct iwl_qos_info { */ struct iwl_station_entry { struct iwl_addsta_cmd sta; - struct iwl_tid_data tid[MAX_TID_COUNT]; u8 used, ctxid; struct iwl_link_quality_cmd *lq; }; @@ -564,11 +313,13 @@ enum iwl_ucode_tlv_type { * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, * treats good CRC threshold as a boolean * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). + * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. */ enum iwl_ucode_tlv_flag { IWL_UCODE_TLV_FLAGS_PAN = BIT(0), IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), IWL_UCODE_TLV_FLAGS_MFP = BIT(2), + IWL_UCODE_TLV_FLAGS_P2P = BIT(3), }; struct iwl_ucode_tlv { @@ -634,54 +385,6 @@ struct iwl_sensitivity_ranges { #define CELSIUS_TO_KELVIN(x) ((x)+273) -/** - * struct iwl_hw_params - * @max_txq_num: Max # Tx queues supported - * @scd_bc_tbls_size: size of scheduler byte count tables - * @tfd_size: TFD size - * @tx/rx_chains_num: Number of TX/RX chains - * @valid_tx/rx_ant: usable antennas - * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) - * @max_rxq_log: Log-base-2 of max_rxq_size - * @rx_page_order: Rx buffer page order - * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR - * @max_stations: - * @ht40_channel: is 40MHz width possible in band 2.4 - * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) - * @sw_crypto: 0 for hw, 1 for sw - * @max_xxx_size: for ucode uses - * @ct_kill_threshold: temperature threshold - * @beacon_time_tsf_bits: number of valid tsf bits for beacon time - * @calib_init_cfg: setup initial calibrations for the hw - * @calib_rt_cfg: setup runtime calibrations for the hw - * @struct iwl_sensitivity_ranges: range of sensitivity values - */ -struct iwl_hw_params { - u8 max_txq_num; - u16 scd_bc_tbls_size; - u32 tfd_size; - u8 tx_chains_num; - u8 rx_chains_num; - u8 valid_tx_ant; - u8 valid_rx_ant; - u16 max_rxq_size; - u16 max_rxq_log; - u32 rx_page_order; - u8 max_stations; - u8 ht40_channel; - u8 max_beacon_itrvl; /* in 1024 ms */ - u32 max_inst_size; - u32 max_data_size; - u32 ct_kill_threshold; /* value in hw-dependent units */ - u32 ct_kill_exit_threshold; /* value in hw-dependent units */ - /* for 1000, 6000 series and up */ - u16 beacon_time_tsf_bits; - u32 calib_init_cfg; - u32 calib_rt_cfg; - const struct iwl_sensitivity_ranges *sens; -}; - - /****************************************************************************** * * Functions implemented in core module which are forward declared here @@ -697,35 +400,12 @@ struct iwl_hw_params { ****************************************************************************/ extern void iwl_update_chain_flags(struct iwl_priv *priv); extern const u8 iwl_bcast_addr[ETH_ALEN]; -extern int iwl_queue_space(const struct iwl_queue *q); -static inline int iwl_queue_used(const struct iwl_queue *q, int i) -{ - return q->write_ptr >= q->read_ptr ? - (i >= q->read_ptr && i < q->write_ptr) : - !(i < q->read_ptr && i >= q->write_ptr); -} - - -static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) -{ - return index & (q->n_window - 1); -} - - -struct iwl_dma_ptr { - dma_addr_t dma; - void *addr; - size_t size; -}; #define IWL_OPERATION_MODE_AUTO 0 #define IWL_OPERATION_MODE_HT_ONLY 1 #define IWL_OPERATION_MODE_MIXED 2 #define IWL_OPERATION_MODE_20MHZ 3 -#define IWL_TX_CRC_SIZE 4 -#define IWL_TX_DELIMITER_SIZE 4 - #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 /* Sensitivity and chain noise calibration */ @@ -849,9 +529,6 @@ struct iwl_chain_noise_data { #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ -#define IWL_TRAFFIC_ENTRIES (256) -#define IWL_TRAFFIC_ENTRY_SIZE (64) - enum { MEASUREMENT_READY = (1 << 0), MEASUREMENT_ACTIVE = (1 << 1), @@ -884,22 +561,6 @@ enum iwl_pa_type { IWL_PA_INTERNAL = 1, }; -/* interrupt statistics */ -struct isr_statistics { - u32 hw; - u32 sw; - u32 err_code; - u32 sch; - u32 alive; - u32 rfkill; - u32 ctkill; - u32 wakeup; - u32 rx; - u32 rx_handlers[REPLY_MAX]; - u32 tx; - u32 unhandled; -}; - /* reply_tx_statistics (for _agn devices) */ struct reply_tx_error_statistics { u32 pp_delay; @@ -1009,21 +670,6 @@ struct iwl_event_log { }; /* - * host interrupt timeout value - * used with setting interrupt coalescing timer - * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit - * - * default interrupt coalescing timer is 64 x 32 = 2048 usecs - * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs - */ -#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_TIMEOUT_DEF (0x40) -#define IWL_HOST_INT_TIMEOUT_MIN (0x0) -#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) -#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) - -/* * This is the threshold value of plcp error rate per 100mSecs. It is * used to set and check for the validity of plcp_delta. */ @@ -1101,20 +747,9 @@ struct iwl_notification_wait { bool triggered, aborted; }; -enum iwl_rxon_context_id { - IWL_RXON_CTX_BSS, - IWL_RXON_CTX_PAN, - - NUM_IWL_RXON_CTX -}; - struct iwl_rxon_context { struct ieee80211_vif *vif; - const u8 *ac_to_fifo; - const u8 *ac_to_queue; - u8 mcast_queue; - /* * We could use the vif to indicate active, but we * also need it to be active during disabling when @@ -1162,13 +797,16 @@ struct iwl_rxon_context { u8 extension_chan_offset; } ht; + u8 bssid[ETH_ALEN]; + bool preauth_bssid; + bool last_tx_rejected; }; enum iwl_scan_type { IWL_SCAN_NORMAL, IWL_SCAN_RADIO_RESET, - IWL_SCAN_OFFCH_TX, + IWL_SCAN_ROC, }; enum iwlagn_ucode_type { @@ -1190,16 +828,17 @@ struct iwl_testmode_trace { }; #endif -/* uCode ownership */ -#define IWL_OWNERSHIP_DRIVER 0 -#define IWL_OWNERSHIP_TM 1 - struct iwl_priv { + /*data shared among all the driver's layers */ + struct iwl_shared _shrd; + struct iwl_shared *shrd; + /* ieee device used by generic ieee processing code */ struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; + struct kmem_cache *tx_cmd_pool; struct iwl_cfg *cfg; enum ieee80211_band band; @@ -1225,6 +864,9 @@ struct iwl_priv { /* jiffies when last recovery from statistics was performed */ unsigned long rx_statistics_jiffies; + /*counters */ + u32 rx_handlers_stats[REPLY_MAX]; + /* force reset */ struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; @@ -1255,20 +897,8 @@ struct iwl_priv { u8 scan_tx_ant[IEEE80211_NUM_BANDS]; u8 mgmt_tx_ant; - /* spinlock */ - spinlock_t lock; /* protect general shared data */ - spinlock_t hcmd_lock; /* protect hcmd */ - spinlock_t reg_lock; /* protect hw register access */ - struct mutex mutex; - + /*TODO: remove these pointers - use bus(priv) instead */ struct iwl_bus *bus; /* bus specific data */ - struct iwl_trans trans; - - /* microcode/device supports multiple contexts */ - u8 valid_contexts; - - /* command queue number */ - u8 cmd_queue; /* max number of station keys */ u8 sta_key_max_num; @@ -1283,9 +913,6 @@ struct iwl_priv { u32 ucode_ver; /* version of ucode, copy of iwl_ucode.ver */ - /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ - u8 ucode_owner; - struct fw_img ucode_rt; struct fw_img ucode_init; struct fw_img ucode_wowlan; @@ -1317,52 +944,23 @@ struct iwl_priv { /* Rate scaling data */ u8 retry_rate; - wait_queue_head_t wait_command_queue; - int activity_timer_active; - /* Rx and Tx DMA processing queues */ - struct iwl_rx_queue rxq; - struct iwl_tx_queue *txq; - unsigned long txq_ctx_active_msk; - struct iwl_dma_ptr kw; /* keep warm address */ - struct iwl_dma_ptr scd_bc_tbls; - - u32 scd_base_addr; /* scheduler sram base address */ - - unsigned long status; - /* counts mgmt, ctl, and data packets */ struct traffic_stats tx_stats; struct traffic_stats rx_stats; - /* counts interrupts */ - struct isr_statistics isr_stats; - struct iwl_power_mgr power_data; struct iwl_tt_mgmt thermal_throttle; /* station table variables */ - - /* Note: if lock and sta_lock are needed, lock must be acquired first */ - spinlock_t sta_lock; int num_stations; struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; unsigned long ucode_key_table; - /* queue refcounts */ -#define IWL_MAX_HW_QUEUES 32 - unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; - /* for each AC */ - atomic_t queue_stop_count[4]; - /* Indication if ieee80211_ops->open has been called */ u8 is_open; - u8 mac80211_registered; - - bool wowlan; - /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; int nvm_device_type; @@ -1398,14 +996,6 @@ struct iwl_priv { } accum_stats, delta_stats, max_delta_stats; #endif - /* INT ICT Table */ - __le32 *ict_tbl; - void *ict_tbl_vir; - dma_addr_t ict_tbl_dma; - dma_addr_t aligned_ict_tbl_dma; - int ict_index; - u32 inta; - bool use_ict; /* * reporting the number of tids has AGG on. 0 means * no AGGREGATION @@ -1438,15 +1028,11 @@ struct iwl_priv { /* remain-on-channel offload support */ struct ieee80211_channel *hw_roc_channel; - struct delayed_work hw_roc_work; + struct delayed_work hw_roc_disable_work; enum nl80211_channel_type hw_roc_chantype; int hw_roc_duration; bool hw_roc_setup; - struct sk_buff *offchan_tx_skb; - int offchan_tx_timeout; - struct ieee80211_channel *offchan_tx_chan; - /* bt coex */ u8 bt_enable_flag; u8 bt_status; @@ -1466,15 +1052,8 @@ struct iwl_priv { struct iwl_rxon_context *cur_rssi_ctx; bool bt_is_sco; - struct iwl_hw_params hw_params; - - u32 inta_mask; - - struct workqueue_struct *workqueue; - struct work_struct restart; struct work_struct scan_completed; - struct work_struct rx_replenish; struct work_struct abort_scan; struct work_struct beacon_update; @@ -1490,8 +1069,6 @@ struct iwl_priv { struct work_struct bt_full_concurrency; struct work_struct bt_runtime_config; - struct tasklet_struct irq_tasklet; - struct delayed_work scan_check; /* TX Power */ @@ -1500,12 +1077,6 @@ struct iwl_priv { s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ s8 tx_power_next; - -#ifdef CONFIG_IWLWIFI_DEBUG - /* debugging info */ - u32 debug_level; /* per device debugging will override global - iwl_debug_level if set */ -#endif /* CONFIG_IWLWIFI_DEBUG */ #ifdef CONFIG_IWLWIFI_DEBUGFS /* debugfs */ u16 tx_traffic_idx; @@ -1543,47 +1114,7 @@ struct iwl_priv { bool have_rekey_data; }; /*iwl_priv */ -static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) -{ - set_bit(txq_id, &priv->txq_ctx_active_msk); -} - -static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) -{ - clear_bit(txq_id, &priv->txq_ctx_active_msk); -} - -#ifdef CONFIG_IWLWIFI_DEBUG -/* - * iwl_get_debug_level: Return active debug level for device - * - * Using sysfs it is possible to set per device debug level. This debug - * level will be used if set, otherwise the global debug level which can be - * set via module parameter is used. - */ -static inline u32 iwl_get_debug_level(struct iwl_priv *priv) -{ - if (priv->debug_level) - return priv->debug_level; - else - return iwl_debug_level; -} -#else -static inline u32 iwl_get_debug_level(struct iwl_priv *priv) -{ - return iwl_debug_level; -} -#endif - - -static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, - int txq_id, int idx) -{ - if (priv->txq[txq_id].txb[idx].skb) - return (struct ieee80211_hdr *)priv->txq[txq_id]. - txb[idx].skb->data; - return NULL; -} +extern struct iwl_mod_params iwlagn_mod_params; static inline struct iwl_rxon_context * iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) @@ -1596,7 +1127,7 @@ iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) #define for_each_context(priv, ctx) \ for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ - if (priv->valid_contexts & BIT(ctx->ctxid)) + if (priv->shrd->valid_contexts & BIT(ctx->ctxid)) static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) { @@ -1650,13 +1181,4 @@ static inline int is_channel_ibss(const struct iwl_channel_info *ch) return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; } -static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) -{ - __free_pages(page, priv->hw_params.rx_page_order); -} - -static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) -{ - free_pages(page, priv->hw_params.rx_page_order); -} #endif /* __iwl_dev_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 2c84ba95afca..8a51c5ccda1e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -29,6 +29,8 @@ #include <linux/tracepoint.h> +struct iwl_priv; + #if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__) #undef TRACE_EVENT #define TRACE_EVENT(name, proto, ...) \ diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index 19d31a5e32e5..80ee65be9cd1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -155,11 +155,11 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv) for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) { /* Request semaphore */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); /* See if we got it */ - ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, EEPROM_SEM_TIMEOUT); @@ -176,14 +176,14 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv) static void iwl_eeprom_release_semaphore(struct iwl_priv *priv) { - iwl_clear_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_clear_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); } static int iwl_eeprom_verify_signature(struct iwl_priv *priv) { - u32 gp = iwl_read32(priv, CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; + u32 gp = iwl_read32(bus(priv), CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; int ret = 0; IWL_DEBUG_EEPROM(priv, "EEPROM signature=0x%08x\n", gp); @@ -216,17 +216,17 @@ static int iwl_eeprom_verify_signature(struct iwl_priv *priv) static void iwl_set_otp_access(struct iwl_priv *priv, enum iwl_access_mode mode) { - iwl_read32(priv, CSR_OTP_GP_REG); + iwl_read32(bus(priv), CSR_OTP_GP_REG); if (mode == IWL_OTP_ACCESS_ABSOLUTE) - iwl_clear_bit(priv, CSR_OTP_GP_REG, + iwl_clear_bit(bus(priv), CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); else - iwl_set_bit(priv, CSR_OTP_GP_REG, + iwl_set_bit(bus(priv), CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); } -static int iwlcore_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) +static int iwl_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) { u32 otpgp; int nvm_type; @@ -243,7 +243,7 @@ static int iwlcore_get_nvm_type(struct iwl_priv *priv, u32 hw_rev) nvm_type = NVM_DEVICE_TYPE_EEPROM; break; default: - otpgp = iwl_read32(priv, CSR_OTP_GP_REG); + otpgp = iwl_read32(bus(priv), CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_DEVICE_SELECT) nvm_type = NVM_DEVICE_TYPE_OTP; else @@ -258,22 +258,22 @@ static int iwl_init_otp_access(struct iwl_priv *priv) int ret; /* Enable 40MHz radio clock */ - iwl_write32(priv, CSR_GP_CNTRL, - iwl_read32(priv, CSR_GP_CNTRL) | + iwl_write32(bus(priv), CSR_GP_CNTRL, + iwl_read32(bus(priv), CSR_GP_CNTRL) | CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock to be ready */ - ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) IWL_ERR(priv, "Time out access OTP\n"); else { - iwl_set_bits_prph(priv, APMG_PS_CTRL_REG, + iwl_set_bits_prph(bus(priv), APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); udelay(5); - iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG, + iwl_clear_bits_prph(bus(priv), APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); /* @@ -281,7 +281,7 @@ static int iwl_init_otp_access(struct iwl_priv *priv) * this is only applicable for HW with OTP shadow RAM */ if (priv->cfg->base_params->shadow_ram_support) - iwl_set_bit(priv, CSR_DBG_LINK_PWR_MGMT_REG, + iwl_set_bit(bus(priv), CSR_DBG_LINK_PWR_MGMT_REG, CSR_RESET_LINK_PWR_MGMT_DISABLED); } return ret; @@ -293,9 +293,9 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_dat u32 r; u32 otpgp; - iwl_write32(priv, CSR_EEPROM_REG, + iwl_write32(bus(priv), CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(priv, CSR_EEPROM_REG, + ret = iwl_poll_bit(bus(priv), CSR_EEPROM_REG, CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); @@ -303,13 +303,13 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_dat IWL_ERR(priv, "Time out reading OTP[%d]\n", addr); return ret; } - r = iwl_read32(priv, CSR_EEPROM_REG); + r = iwl_read32(bus(priv), CSR_EEPROM_REG); /* check for ECC errors: */ - otpgp = iwl_read32(priv, CSR_OTP_GP_REG); + otpgp = iwl_read32(bus(priv), CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK) { /* stop in this case */ /* set the uncorrectable OTP ECC bit for acknowledgement */ - iwl_set_bit(priv, CSR_OTP_GP_REG, + iwl_set_bit(bus(priv), CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); IWL_ERR(priv, "Uncorrectable OTP ECC error, abort OTP read\n"); return -EINVAL; @@ -317,7 +317,7 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_dat if (otpgp & CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK) { /* continue in this case */ /* set the correctable OTP ECC bit for acknowledgement */ - iwl_set_bit(priv, CSR_OTP_GP_REG, + iwl_set_bit(bus(priv), CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK); IWL_ERR(priv, "Correctable OTP ECC error, continue read\n"); } @@ -424,14 +424,14 @@ u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset) int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) { __le16 *e; - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); + u32 gp = iwl_read32(bus(priv), CSR_EEPROM_GP); int sz; int ret; u16 addr; u16 validblockaddr = 0; u16 cache_addr = 0; - priv->nvm_device_type = iwlcore_get_nvm_type(priv, hw_rev); + priv->nvm_device_type = iwl_get_nvm_type(priv, hw_rev); if (priv->nvm_device_type == -ENOENT) return -ENOENT; /* allocate eeprom */ @@ -469,11 +469,11 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) ret = -ENOENT; goto done; } - iwl_write32(priv, CSR_EEPROM_GP, - iwl_read32(priv, CSR_EEPROM_GP) & + iwl_write32(bus(priv), CSR_EEPROM_GP, + iwl_read32(bus(priv), CSR_EEPROM_GP) & ~CSR_EEPROM_GP_IF_OWNER_MSK); - iwl_set_bit(priv, CSR_OTP_GP_REG, + iwl_set_bit(bus(priv), CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK | CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); /* traversing the linked list if no shadow ram supported */ @@ -498,10 +498,10 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) for (addr = 0; addr < sz; addr += sizeof(u16)) { u32 r; - iwl_write32(priv, CSR_EEPROM_REG, + iwl_write32(bus(priv), CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(priv, CSR_EEPROM_REG, + ret = iwl_poll_bit(bus(priv), CSR_EEPROM_REG, CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); @@ -509,7 +509,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) IWL_ERR(priv, "Time out reading EEPROM[%d]\n", addr); goto done; } - r = iwl_read32(priv, CSR_EEPROM_REG); + r = iwl_read32(bus(priv), CSR_EEPROM_REG); e[addr / 2] = cpu_to_le16(r >> 16); } } @@ -838,7 +838,7 @@ void iwl_rf_config(struct iwl_priv *priv) /* write radio config values to register */ if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) { - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | EEPROM_RF_CFG_STEP_MSK(radio_cfg) | EEPROM_RF_CFG_DASH_MSK(radio_cfg)); @@ -850,7 +850,7 @@ void iwl_rf_config(struct iwl_priv *priv) WARN_ON(1); /* set CSR_HW_CONFIG_REG for uCode use */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); } diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index e4bf8ac5e64e..e2b5e0ea5d9c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -301,7 +301,6 @@ void iwl_eeprom_free(struct iwl_priv *priv); int iwl_eeprom_check_version(struct iwl_priv *priv); int iwl_eeprom_check_sku(struct iwl_priv *priv); const u8 *iwl_eeprom_query_addr(const struct iwl_priv *priv, size_t offset); -int iwlcore_eeprom_verify_signature(struct iwl_priv *priv); u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset); int iwl_init_channel_map(struct iwl_priv *priv); void iwl_free_channel_map(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index 0ad60b3c04db..5bede9d7f955 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -63,6 +63,8 @@ #ifndef __iwl_fh_h__ #define __iwl_fh_h__ +#include <linux/types.h> + /****************************/ /* Flow Handler Definitions */ /****************************/ @@ -266,8 +268,6 @@ #define FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_NO_INT_VAL (0x00000000) #define FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL (0x00001000) -#define FH_RSCSR_FRAME_SIZE_MSK (0x00003FFF) /* bits 0-13 */ - /** * Rx Shared Status Registers (RSSR) * @@ -422,10 +422,6 @@ #define RX_FREE_BUFFERS 64 #define RX_LOW_WATERMARK 8 -/* Size of one Rx buffer in host DRAM */ -#define IWL_RX_BUF_SIZE_4K (4 * 1024) -#define IWL_RX_BUF_SIZE_8K (8 * 1024) - /** * struct iwl_rb_status - reseve buffer status * host memory mapped FH registers @@ -508,4 +504,16 @@ struct iwl_tfd { /* Keep Warm Size */ #define IWL_KW_SIZE 0x1000 /* 4k */ +/* Fixed (non-configurable) rx data from phy */ + +/** + * struct iwlagn_schedq_bc_tbl scheduler byte count table + * base physical address provided by SCD_DRAM_BASE_ADDR + * @tfd_offset 0-12 - tx command byte count + * 12-16 - station index + */ +struct iwlagn_scd_bc_tbl { + __le16 tfd_offset[TFD_QUEUE_BC_SIZE]; +} __packed; + #endif /* !__iwl_fh_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 9d91552d13c1..968fc66e3506 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -35,128 +35,16 @@ #include "iwl-io.h" -#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) - - static inline struct ieee80211_conf *ieee80211_get_hw_conf( struct ieee80211_hw *hw) { return &hw->conf; } -/** - * iwl_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl_queue_dec_wrap - decrement queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} - -/* - * we have 8 bits used like this: - * - * 7 6 5 4 3 2 1 0 - * | | | | | | | | - * | | | | | | +-+-------- AC queue (0-3) - * | | | | | | - * | +-+-+-+-+------------ HW queue ID - * | - * +---------------------- unused - */ -static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq) -{ - BUG_ON(ac > 3); /* only have 2 bits */ - BUG_ON(hwq > 31); /* only use 5 bits */ - - txq->swq_id = (hwq << 2) | ac; -} - -static inline void iwl_wake_queue(struct iwl_priv *priv, - struct iwl_tx_queue *txq) -{ - u8 queue = txq->swq_id; - u8 ac = queue & 3; - u8 hwq = (queue >> 2) & 0x1f; - - if (test_and_clear_bit(hwq, priv->queue_stopped)) - if (atomic_dec_return(&priv->queue_stop_count[ac]) <= 0) - ieee80211_wake_queue(priv->hw, ac); -} - -static inline void iwl_stop_queue(struct iwl_priv *priv, - struct iwl_tx_queue *txq) -{ - u8 queue = txq->swq_id; - u8 ac = queue & 3; - u8 hwq = (queue >> 2) & 0x1f; - - if (!test_and_set_bit(hwq, priv->queue_stopped)) - if (atomic_inc_return(&priv->queue_stop_count[ac]) > 0) - ieee80211_stop_queue(priv->hw, ac); -} - -static inline void iwl_wake_any_queue(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ - u8 ac; - - for (ac = 0; ac < AC_NUM; ac++) { - IWL_DEBUG_INFO(priv, "Queue Status: Q[%d] %s\n", - ac, (atomic_read(&priv->queue_stop_count[ac]) > 0) - ? "stopped" : "awake"); - iwl_wake_queue(priv, &priv->txq[ctx->ac_to_queue[ac]]); - } -} - -#ifdef ieee80211_stop_queue -#undef ieee80211_stop_queue -#endif - -#define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue - -#ifdef ieee80211_wake_queue -#undef ieee80211_wake_queue -#endif - -#define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue - -static inline void iwl_disable_interrupts(struct iwl_priv *priv) -{ - clear_bit(STATUS_INT_ENABLED, &priv->status); - - /* disable interrupts from uCode/NIC to host */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); - - /* acknowledge/clear/reset any interrupts still pending - * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(priv, CSR_INT, 0xffffffff); - iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); - IWL_DEBUG_ISR(priv, "Disabled interrupts\n"); -} - static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) { IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); - iwl_write32(priv, CSR_INT_MASK, CSR_INT_BIT_RF_KILL); -} - -static inline void iwl_enable_interrupts(struct iwl_priv *priv) -{ - IWL_DEBUG_ISR(priv, "Enabling interrupts\n"); - set_bit(STATUS_INT_ENABLED, &priv->status); - iwl_write32(priv, CSR_INT_MASK, priv->inta_mask); + iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL); } /** diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index aa4a90674452..3ffa8e62b856 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -25,46 +25,50 @@ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ +#include <linux/delay.h> +#include <linux/device.h> #include "iwl-io.h" +#include"iwl-csr.h" +#include "iwl-debug.h" #define IWL_POLL_INTERVAL 10 /* microseconds */ -static inline void __iwl_set_bit(struct iwl_priv *priv, u32 reg, u32 mask) +static inline void __iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask) { - iwl_write32(priv, reg, iwl_read32(priv, reg) | mask); + iwl_write32(bus, reg, iwl_read32(bus, reg) | mask); } -static inline void __iwl_clear_bit(struct iwl_priv *priv, u32 reg, u32 mask) +static inline void __iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask) { - iwl_write32(priv, reg, iwl_read32(priv, reg) & ~mask); + iwl_write32(bus, reg, iwl_read32(bus, reg) & ~mask); } -void iwl_set_bit(struct iwl_priv *priv, u32 reg, u32 mask) +void iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - __iwl_set_bit(priv, reg, mask); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + __iwl_set_bit(bus, reg, mask); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -void iwl_clear_bit(struct iwl_priv *priv, u32 reg, u32 mask) +void iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - __iwl_clear_bit(priv, reg, mask); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + __iwl_clear_bit(bus, reg, mask); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -int iwl_poll_bit(struct iwl_priv *priv, u32 addr, +int iwl_poll_bit(struct iwl_bus *bus, u32 addr, u32 bits, u32 mask, int timeout) { int t = 0; do { - if ((iwl_read32(priv, addr) & mask) == (bits & mask)) + if ((iwl_read32(bus, addr) & mask) == (bits & mask)) return t; udelay(IWL_POLL_INTERVAL); t += IWL_POLL_INTERVAL; @@ -73,14 +77,14 @@ int iwl_poll_bit(struct iwl_priv *priv, u32 addr, return -ETIMEDOUT; } -int iwl_grab_nic_access_silent(struct iwl_priv *priv) +int iwl_grab_nic_access_silent(struct iwl_bus *bus) { int ret; - lockdep_assert_held(&priv->reg_lock); + lockdep_assert_held(&bus->reg_lock); /* this bit wakes up the NIC */ - __iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + __iwl_set_bit(bus, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* * These bits say the device is running, and should keep running for @@ -101,70 +105,70 @@ int iwl_grab_nic_access_silent(struct iwl_priv *priv) * 5000 series and later (including 1000 series) have non-volatile SRAM, * and do not save/restore SRAM when power cycling. */ - ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(bus, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); if (ret < 0) { - iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); + iwl_write32(bus, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); return -EIO; } return 0; } -int iwl_grab_nic_access(struct iwl_priv *priv) +int iwl_grab_nic_access(struct iwl_bus *bus) { - int ret = iwl_grab_nic_access_silent(priv); + int ret = iwl_grab_nic_access_silent(bus); if (ret) { - u32 val = iwl_read32(priv, CSR_GP_CNTRL); - IWL_ERR(priv, + u32 val = iwl_read32(bus, CSR_GP_CNTRL); + IWL_ERR(bus, "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); } return ret; } -void iwl_release_nic_access(struct iwl_priv *priv) +void iwl_release_nic_access(struct iwl_bus *bus) { - lockdep_assert_held(&priv->reg_lock); - __iwl_clear_bit(priv, CSR_GP_CNTRL, + lockdep_assert_held(&bus->reg_lock); + __iwl_clear_bit(bus, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); } -u32 iwl_read_direct32(struct iwl_priv *priv, u32 reg) +u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg) { u32 value; unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); - value = iwl_read32(priv, reg); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); + value = iwl_read32(bus(bus), reg); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); return value; } -void iwl_write_direct32(struct iwl_priv *priv, u32 reg, u32 value) +void iwl_write_direct32(struct iwl_bus *bus, u32 reg, u32 value) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - if (!iwl_grab_nic_access(priv)) { - iwl_write32(priv, reg, value); - iwl_release_nic_access(priv); + spin_lock_irqsave(&bus->reg_lock, flags); + if (!iwl_grab_nic_access(bus)) { + iwl_write32(bus, reg, value); + iwl_release_nic_access(bus); } - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -int iwl_poll_direct_bit(struct iwl_priv *priv, u32 addr, u32 mask, +int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask, int timeout) { int t = 0; do { - if ((iwl_read_direct32(priv, addr) & mask) == mask) + if ((iwl_read_direct32(bus, addr) & mask) == mask) return t; udelay(IWL_POLL_INTERVAL); t += IWL_POLL_INTERVAL; @@ -173,122 +177,122 @@ int iwl_poll_direct_bit(struct iwl_priv *priv, u32 addr, u32 mask, return -ETIMEDOUT; } -static inline u32 __iwl_read_prph(struct iwl_priv *priv, u32 reg) +static inline u32 __iwl_read_prph(struct iwl_bus *bus, u32 reg) { - iwl_write32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + iwl_write32(bus, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); rmb(); - return iwl_read32(priv, HBUS_TARG_PRPH_RDAT); + return iwl_read32(bus, HBUS_TARG_PRPH_RDAT); } -static inline void __iwl_write_prph(struct iwl_priv *priv, u32 addr, u32 val) +static inline void __iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val) { - iwl_write32(priv, HBUS_TARG_PRPH_WADDR, + iwl_write32(bus, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); wmb(); - iwl_write32(priv, HBUS_TARG_PRPH_WDAT, val); + iwl_write32(bus, HBUS_TARG_PRPH_WDAT, val); } -u32 iwl_read_prph(struct iwl_priv *priv, u32 reg) +u32 iwl_read_prph(struct iwl_bus *bus, u32 reg) { unsigned long flags; u32 val; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); - val = __iwl_read_prph(priv, reg); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); + val = __iwl_read_prph(bus, reg); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); return val; } -void iwl_write_prph(struct iwl_priv *priv, u32 addr, u32 val) +void iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - if (!iwl_grab_nic_access(priv)) { - __iwl_write_prph(priv, addr, val); - iwl_release_nic_access(priv); + spin_lock_irqsave(&bus->reg_lock, flags); + if (!iwl_grab_nic_access(bus)) { + __iwl_write_prph(bus, addr, val); + iwl_release_nic_access(bus); } - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -void iwl_set_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask) +void iwl_set_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); - __iwl_write_prph(priv, reg, __iwl_read_prph(priv, reg) | mask); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); + __iwl_write_prph(bus, reg, __iwl_read_prph(bus, reg) | mask); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -void iwl_set_bits_mask_prph(struct iwl_priv *priv, u32 reg, +void iwl_set_bits_mask_prph(struct iwl_bus *bus, u32 reg, u32 bits, u32 mask) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); - __iwl_write_prph(priv, reg, - (__iwl_read_prph(priv, reg) & mask) | bits); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); + __iwl_write_prph(bus, reg, + (__iwl_read_prph(bus, reg) & mask) | bits); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -void iwl_clear_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask) +void iwl_clear_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask) { unsigned long flags; u32 val; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); - val = __iwl_read_prph(priv, reg); - __iwl_write_prph(priv, reg, (val & ~mask)); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); + val = __iwl_read_prph(bus, reg); + __iwl_write_prph(bus, reg, (val & ~mask)); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -void _iwl_read_targ_mem_words(struct iwl_priv *priv, u32 addr, +void _iwl_read_targ_mem_words(struct iwl_bus *bus, u32 addr, void *buf, int words) { unsigned long flags; int offs; u32 *vals = buf; - spin_lock_irqsave(&priv->reg_lock, flags); - iwl_grab_nic_access(priv); + spin_lock_irqsave(&bus->reg_lock, flags); + iwl_grab_nic_access(bus); - iwl_write32(priv, HBUS_TARG_MEM_RADDR, addr); + iwl_write32(bus, HBUS_TARG_MEM_RADDR, addr); rmb(); for (offs = 0; offs < words; offs++) - vals[offs] = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + vals[offs] = iwl_read32(bus, HBUS_TARG_MEM_RDAT); - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, flags); + iwl_release_nic_access(bus); + spin_unlock_irqrestore(&bus->reg_lock, flags); } -u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr) +u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr) { u32 value; - _iwl_read_targ_mem_words(priv, addr, &value, 1); + _iwl_read_targ_mem_words(bus, addr, &value, 1); return value; } -void iwl_write_targ_mem(struct iwl_priv *priv, u32 addr, u32 val) +void iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val) { unsigned long flags; - spin_lock_irqsave(&priv->reg_lock, flags); - if (!iwl_grab_nic_access(priv)) { - iwl_write32(priv, HBUS_TARG_MEM_WADDR, addr); + spin_lock_irqsave(&bus->reg_lock, flags); + if (!iwl_grab_nic_access(bus)) { + iwl_write32(bus, HBUS_TARG_MEM_WADDR, addr); wmb(); - iwl_write32(priv, HBUS_TARG_MEM_WDAT, val); - iwl_release_nic_access(priv); + iwl_write32(bus, HBUS_TARG_MEM_WDAT, val); + iwl_release_nic_access(bus); } - spin_unlock_irqrestore(&priv->reg_lock, flags); + spin_unlock_irqrestore(&bus->reg_lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index 19a093101122..ced2cbeb6eae 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -29,65 +29,62 @@ #ifndef __iwl_io_h__ #define __iwl_io_h__ -#include <linux/io.h> - -#include "iwl-dev.h" -#include "iwl-debug.h" #include "iwl-devtrace.h" +#include "iwl-shared.h" #include "iwl-bus.h" -static inline void iwl_write8(struct iwl_priv *priv, u32 ofs, u8 val) +static inline void iwl_write8(struct iwl_bus *bus, u32 ofs, u8 val) { - trace_iwlwifi_dev_iowrite8(priv, ofs, val); - bus_write8(priv->bus, ofs, val); + trace_iwlwifi_dev_iowrite8(priv(bus), ofs, val); + bus_write8(bus, ofs, val); } -static inline void iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val) +static inline void iwl_write32(struct iwl_bus *bus, u32 ofs, u32 val) { - trace_iwlwifi_dev_iowrite32(priv, ofs, val); - bus_write32(priv->bus, ofs, val); + trace_iwlwifi_dev_iowrite32(priv(bus), ofs, val); + bus_write32(bus, ofs, val); } -static inline u32 iwl_read32(struct iwl_priv *priv, u32 ofs) +static inline u32 iwl_read32(struct iwl_bus *bus, u32 ofs) { - u32 val = bus_read32(priv->bus, ofs); - trace_iwlwifi_dev_ioread32(priv, ofs, val); + u32 val = bus_read32(bus, ofs); + trace_iwlwifi_dev_ioread32(priv(bus), ofs, val); return val; } -void iwl_set_bit(struct iwl_priv *priv, u32 reg, u32 mask); -void iwl_clear_bit(struct iwl_priv *priv, u32 reg, u32 mask); +void iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask); +void iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask); -int iwl_poll_bit(struct iwl_priv *priv, u32 addr, +int iwl_poll_bit(struct iwl_bus *bus, u32 addr, u32 bits, u32 mask, int timeout); -int iwl_poll_direct_bit(struct iwl_priv *priv, u32 addr, u32 mask, +int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask, int timeout); -int iwl_grab_nic_access_silent(struct iwl_priv *priv); -int iwl_grab_nic_access(struct iwl_priv *priv); -void iwl_release_nic_access(struct iwl_priv *priv); +int iwl_grab_nic_access_silent(struct iwl_bus *bus); +int iwl_grab_nic_access(struct iwl_bus *bus); +void iwl_release_nic_access(struct iwl_bus *bus); -u32 iwl_read_direct32(struct iwl_priv *priv, u32 reg); -void iwl_write_direct32(struct iwl_priv *priv, u32 reg, u32 value); +u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg); +void iwl_write_direct32(struct iwl_bus *bus, u32 reg, u32 value); -u32 iwl_read_prph(struct iwl_priv *priv, u32 reg); -void iwl_write_prph(struct iwl_priv *priv, u32 addr, u32 val); -void iwl_set_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask); -void iwl_set_bits_mask_prph(struct iwl_priv *priv, u32 reg, +u32 iwl_read_prph(struct iwl_bus *bus, u32 reg); +void iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val); +void iwl_set_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask); +void iwl_set_bits_mask_prph(struct iwl_bus *bus, u32 reg, u32 bits, u32 mask); -void iwl_clear_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask); +void iwl_clear_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask); -void _iwl_read_targ_mem_words(struct iwl_priv *priv, u32 addr, +void _iwl_read_targ_mem_words(struct iwl_bus *bus, u32 addr, void *buf, int words); -#define iwl_read_targ_mem_words(priv, addr, buf, bufsize) \ +#define iwl_read_targ_mem_words(bus, addr, buf, bufsize) \ do { \ BUILD_BUG_ON((bufsize) % sizeof(u32)); \ - _iwl_read_targ_mem_words(priv, addr, buf, \ + _iwl_read_targ_mem_words(bus, addr, buf, \ (bufsize) / sizeof(u32));\ } while (0) -u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr); -void iwl_write_targ_mem(struct iwl_priv *priv, u32 addr, u32 val); +u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr); +void iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val); #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index a67ae56d5464..7dffed186f0a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -31,7 +31,6 @@ #include <linux/delay.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/wireless.h> #include <net/mac80211.h> #include <linux/etherdevice.h> #include <asm/unaligned.h> @@ -41,6 +40,7 @@ #include "iwl-agn.h" #include "iwl-io.h" #include "iwl-trans.h" +#include "iwl-shared.h" /* Throughput OFF time(ms) ON time (ms) * >300 25 25 @@ -71,7 +71,7 @@ static const struct ieee80211_tpt_blink iwl_blink[] = { /* Set led register off */ void iwlagn_led_enable(struct iwl_priv *priv) { - iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON); + iwl_write32(bus(priv), CSR_LED_REG, CSR_LED_REG_TRUN_ON); } /* @@ -108,11 +108,11 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) }; u32 reg; - reg = iwl_read32(priv, CSR_LED_REG); + reg = iwl_read32(bus(priv), CSR_LED_REG); if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) - iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); + iwl_write32(bus(priv), CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } /* Set led pattern command */ @@ -126,7 +126,7 @@ static int iwl_led_cmd(struct iwl_priv *priv, }; int ret; - if (!test_bit(STATUS_READY, &priv->status)) + if (!test_bit(STATUS_READY, &priv->shrd->status)) return -EBUSY; if (priv->blink_on == on && priv->blink_off == off) diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index 69d4ec467dca..78a3f8dfe680 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -64,9 +64,11 @@ #include <linux/pci-aspm.h> #include "iwl-bus.h" -#include "iwl-agn.h" -#include "iwl-core.h" #include "iwl-io.h" +#include "iwl-shared.h" +#include "iwl-trans.h" +#include "iwl-csr.h" +#include "iwl-pci.h" /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 @@ -91,6 +93,7 @@ static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus) { int pos; u16 pci_lnk_ctl; + struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); pos = pci_pcie_cap(pci_dev); @@ -120,21 +123,21 @@ static void iwl_pci_apm_config(struct iwl_bus *bus) if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN) { /* L1-ASPM enabled; disable(!) L0S */ - iwl_set_bit(bus->drv_data, CSR_GIO_REG, + iwl_set_bit(bus, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); dev_printk(KERN_INFO, bus->dev, "L1 Enabled; Disabling L0S\n"); } else { /* L1-ASPM disabled; enable(!) L0S */ - iwl_clear_bit(bus->drv_data, CSR_GIO_REG, + iwl_clear_bit(bus, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n"); } } -static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_data) +static void iwl_pci_set_drv_data(struct iwl_bus *bus, struct iwl_shared *shrd) { - bus->drv_data = drv_data; - pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), drv_data); + bus->shrd = shrd; + pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), shrd); } static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[], @@ -162,7 +165,7 @@ static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs) return val; } -static struct iwl_bus_ops pci_ops = { +static const struct iwl_bus_ops bus_ops_pci = { .get_pm_support = iwl_pci_is_pm_supported, .apm_config = iwl_pci_apm_config, .set_drv_data = iwl_pci_set_drv_data, @@ -256,6 +259,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)}, {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)}, {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)}, /* 6x30 Series */ {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, @@ -328,6 +332,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)}, {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)}, {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)}, /* 2x30 Series */ {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)}, @@ -457,9 +462,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) bus->dev = &pdev->dev; bus->irq = pdev->irq; - bus->ops = &pci_ops; + bus->ops = &bus_ops_pci; - err = iwl_probe(bus, cfg); + err = iwl_probe(bus, &trans_ops_pcie, cfg); if (err) goto out_disable_msi; return 0; @@ -478,9 +483,13 @@ out_no_pci: return err; } -static void iwl_pci_down(struct iwl_bus *bus) +static void __devexit iwl_pci_remove(struct pci_dev *pdev) { - struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus->bus_specific; + struct iwl_shared *shrd = pci_get_drvdata(pdev); + struct iwl_bus *bus = shrd->bus; + struct iwl_pci_bus *pci_bus = IWL_BUS_GET_PCI_BUS(bus); + + iwl_remove(shrd->priv); pci_disable_msi(pci_bus->pci_dev); pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base); @@ -491,35 +500,25 @@ static void iwl_pci_down(struct iwl_bus *bus) kfree(bus); } -static void __devexit iwl_pci_remove(struct pci_dev *pdev) -{ - struct iwl_priv *priv = pci_get_drvdata(pdev); - void *bus_specific = priv->bus->bus_specific; - - iwl_remove(priv); - - iwl_pci_down(bus_specific); -} - -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int iwl_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl_shared *shrd = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx. */ - return iwl_suspend(priv); + return iwl_trans_suspend(shrd->trans); } static int iwl_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl_shared *shrd = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if @@ -532,7 +531,7 @@ static int iwl_pci_resume(struct device *device) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); - return iwl_resume(priv); + return iwl_trans_resume(shrd->trans); } static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume); diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.h b/drivers/net/wireless/iwlwifi/iwl-pci.h new file mode 100644 index 000000000000..c0aea9e092cb --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-pci.h @@ -0,0 +1,116 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __iwl_pci_h__ +#define __iwl_pci_h__ + + +/* This file includes the declaration that are internal to the PCI + * implementation of the bus layer + */ + +/* configuration for the _agn devices */ +extern struct iwl_cfg iwl5300_agn_cfg; +extern struct iwl_cfg iwl5100_agn_cfg; +extern struct iwl_cfg iwl5350_agn_cfg; +extern struct iwl_cfg iwl5100_bgn_cfg; +extern struct iwl_cfg iwl5100_abg_cfg; +extern struct iwl_cfg iwl5150_agn_cfg; +extern struct iwl_cfg iwl5150_abg_cfg; +extern struct iwl_cfg iwl6005_2agn_cfg; +extern struct iwl_cfg iwl6005_2abg_cfg; +extern struct iwl_cfg iwl6005_2bg_cfg; +extern struct iwl_cfg iwl6005_2agn_sff_cfg; +extern struct iwl_cfg iwl1030_bgn_cfg; +extern struct iwl_cfg iwl1030_bg_cfg; +extern struct iwl_cfg iwl6030_2agn_cfg; +extern struct iwl_cfg iwl6030_2abg_cfg; +extern struct iwl_cfg iwl6030_2bgn_cfg; +extern struct iwl_cfg iwl6030_2bg_cfg; +extern struct iwl_cfg iwl6000i_2agn_cfg; +extern struct iwl_cfg iwl6000i_2abg_cfg; +extern struct iwl_cfg iwl6000i_2bg_cfg; +extern struct iwl_cfg iwl6000_3agn_cfg; +extern struct iwl_cfg iwl6050_2agn_cfg; +extern struct iwl_cfg iwl6050_2abg_cfg; +extern struct iwl_cfg iwl6150_bgn_cfg; +extern struct iwl_cfg iwl6150_bg_cfg; +extern struct iwl_cfg iwl1000_bgn_cfg; +extern struct iwl_cfg iwl1000_bg_cfg; +extern struct iwl_cfg iwl100_bgn_cfg; +extern struct iwl_cfg iwl100_bg_cfg; +extern struct iwl_cfg iwl130_bgn_cfg; +extern struct iwl_cfg iwl130_bg_cfg; +extern struct iwl_cfg iwl2000_2bgn_cfg; +extern struct iwl_cfg iwl2000_2bg_cfg; +extern struct iwl_cfg iwl2000_2bgn_d_cfg; +extern struct iwl_cfg iwl2030_2bgn_cfg; +extern struct iwl_cfg iwl2030_2bg_cfg; +extern struct iwl_cfg iwl6035_2agn_cfg; +extern struct iwl_cfg iwl6035_2abg_cfg; +extern struct iwl_cfg iwl6035_2bg_cfg; +extern struct iwl_cfg iwl105_bg_cfg; +extern struct iwl_cfg iwl105_bgn_cfg; +extern struct iwl_cfg iwl135_bg_cfg; +extern struct iwl_cfg iwl135_bgn_cfg; + +#endif /* __iwl_pci_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index cd64df05f9ed..62cd781192b0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -43,6 +43,7 @@ #include "iwl-debug.h" #include "iwl-power.h" #include "iwl-trans.h" +#include "iwl-shared.h" /* * Setting power level allows the card to go to sleep when not busy. @@ -214,7 +215,7 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, else cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; - if (priv->cfg->base_params->shadow_reg_enable) + if (hw_params(priv).shadow_reg_enable) cmd->flags |= IWL_POWER_SHADOW_REG_ENA; else cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; @@ -300,7 +301,7 @@ static void iwl_power_fill_sleep_cmd(struct iwl_priv *priv, if (priv->power_data.bus_pm) cmd->flags |= IWL_POWER_PCI_PM_MSK; - if (priv->cfg->base_params->shadow_reg_enable) + if (hw_params(priv).shadow_reg_enable) cmd->flags |= IWL_POWER_SHADOW_REG_ENA; else cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; @@ -335,7 +336,7 @@ static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd) le32_to_cpu(cmd->sleep_interval[3]), le32_to_cpu(cmd->sleep_interval[4])); - return trans_send_cmd_pdu(&priv->trans, POWER_TABLE_CMD, CMD_SYNC, + return iwl_trans_send_cmd_pdu(trans(priv), POWER_TABLE_CMD, CMD_SYNC, sizeof(struct iwl_powertable_cmd), cmd); } @@ -347,7 +348,7 @@ static void iwl_power_build_cmd(struct iwl_priv *priv, dtimper = priv->hw->conf.ps_dtim_period ?: 1; - if (priv->wowlan) + if (priv->shrd->wowlan) iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, dtimper); else if (!priv->cfg->base_params->no_idle_support && priv->hw->conf.flags & IEEE80211_CONF_IDLE) @@ -382,7 +383,7 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, int ret; bool update_chains; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); /* Don't update the RX chain when chain noise calibration is running */ update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || @@ -391,23 +392,23 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, if (!memcmp(&priv->power_data.sleep_cmd, cmd, sizeof(*cmd)) && !force) return 0; - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return -EIO; /* scan complete use sleep_power_next, need to be updated */ memcpy(&priv->power_data.sleep_cmd_next, cmd, sizeof(*cmd)); - if (test_bit(STATUS_SCANNING, &priv->status) && !force) { + if (test_bit(STATUS_SCANNING, &priv->shrd->status) && !force) { IWL_DEBUG_INFO(priv, "Defer power set mode while scanning\n"); return 0; } if (cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK) - set_bit(STATUS_POWER_PMI, &priv->status); + set_bit(STATUS_POWER_PMI, &priv->shrd->status); ret = iwl_set_power(priv, cmd); if (!ret) { if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)) - clear_bit(STATUS_POWER_PMI, &priv->status); + clear_bit(STATUS_POWER_PMI, &priv->shrd->status); if (update_chains) iwl_update_chain_flags(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 2f267b8aabbb..bebdd828f324 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -217,8 +217,8 @@ ((SCD_TRANS_TBL_MEM_LOWER_BOUND + ((x) * 2)) & 0xfffc) #define SCD_QUEUECHAIN_SEL_ALL(priv) \ - (((1<<(priv)->hw_params.max_txq_num) - 1) &\ - (~(1<<(priv)->cmd_queue))) + (((1<<hw_params(priv).max_txq_num) - 1) &\ + (~(1<<(priv)->shrd->cmd_queue))) #define SCD_BASE (PRPH_BASE + 0xa02c00) diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 8e314003b63a..c7e6a746c3ea 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -40,7 +40,89 @@ #include "iwl-helpers.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" +#include "iwl-shared.h" +const char *get_cmd_string(u8 cmd) +{ + switch (cmd) { + IWL_CMD(REPLY_ALIVE); + IWL_CMD(REPLY_ERROR); + IWL_CMD(REPLY_RXON); + IWL_CMD(REPLY_RXON_ASSOC); + IWL_CMD(REPLY_QOS_PARAM); + IWL_CMD(REPLY_RXON_TIMING); + IWL_CMD(REPLY_ADD_STA); + IWL_CMD(REPLY_REMOVE_STA); + IWL_CMD(REPLY_REMOVE_ALL_STA); + IWL_CMD(REPLY_TXFIFO_FLUSH); + IWL_CMD(REPLY_WEPKEY); + IWL_CMD(REPLY_TX); + IWL_CMD(REPLY_LEDS_CMD); + IWL_CMD(REPLY_TX_LINK_QUALITY_CMD); + IWL_CMD(COEX_PRIORITY_TABLE_CMD); + IWL_CMD(COEX_MEDIUM_NOTIFICATION); + IWL_CMD(COEX_EVENT_CMD); + IWL_CMD(REPLY_QUIET_CMD); + IWL_CMD(REPLY_CHANNEL_SWITCH); + IWL_CMD(CHANNEL_SWITCH_NOTIFICATION); + IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD); + IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION); + IWL_CMD(POWER_TABLE_CMD); + IWL_CMD(PM_SLEEP_NOTIFICATION); + IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC); + IWL_CMD(REPLY_SCAN_CMD); + IWL_CMD(REPLY_SCAN_ABORT_CMD); + IWL_CMD(SCAN_START_NOTIFICATION); + IWL_CMD(SCAN_RESULTS_NOTIFICATION); + IWL_CMD(SCAN_COMPLETE_NOTIFICATION); + IWL_CMD(BEACON_NOTIFICATION); + IWL_CMD(REPLY_TX_BEACON); + IWL_CMD(WHO_IS_AWAKE_NOTIFICATION); + IWL_CMD(QUIET_NOTIFICATION); + IWL_CMD(REPLY_TX_PWR_TABLE_CMD); + IWL_CMD(MEASURE_ABORT_NOTIFICATION); + IWL_CMD(REPLY_BT_CONFIG); + IWL_CMD(REPLY_STATISTICS_CMD); + IWL_CMD(STATISTICS_NOTIFICATION); + IWL_CMD(REPLY_CARD_STATE_CMD); + IWL_CMD(CARD_STATE_NOTIFICATION); + IWL_CMD(MISSED_BEACONS_NOTIFICATION); + IWL_CMD(REPLY_CT_KILL_CONFIG_CMD); + IWL_CMD(SENSITIVITY_CMD); + IWL_CMD(REPLY_PHY_CALIBRATION_CMD); + IWL_CMD(REPLY_RX_PHY_CMD); + IWL_CMD(REPLY_RX_MPDU_CMD); + IWL_CMD(REPLY_RX); + IWL_CMD(REPLY_COMPRESSED_BA); + IWL_CMD(CALIBRATION_CFG_CMD); + IWL_CMD(CALIBRATION_RES_NOTIFICATION); + IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION); + IWL_CMD(REPLY_TX_POWER_DBM_CMD); + IWL_CMD(TEMPERATURE_NOTIFICATION); + IWL_CMD(TX_ANT_CONFIGURATION_CMD); + IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF); + IWL_CMD(REPLY_BT_COEX_PRIO_TABLE); + IWL_CMD(REPLY_BT_COEX_PROT_ENV); + IWL_CMD(REPLY_WIPAN_PARAMS); + IWL_CMD(REPLY_WIPAN_RXON); + IWL_CMD(REPLY_WIPAN_RXON_TIMING); + IWL_CMD(REPLY_WIPAN_RXON_ASSOC); + IWL_CMD(REPLY_WIPAN_QOS_PARAM); + IWL_CMD(REPLY_WIPAN_WEPKEY); + IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH); + IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION); + IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE); + IWL_CMD(REPLY_WOWLAN_PATTERNS); + IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER); + IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS); + IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS); + IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL); + IWL_CMD(REPLY_WOWLAN_GET_STATUS); + default: + return "UNKNOWN"; + + } +} /****************************************************************************** * @@ -73,7 +155,7 @@ static void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_rxon_cmd *rxon = (void *)&ctx->active; - if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) return; if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) { @@ -121,7 +203,8 @@ static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + u32 __maybe_unused len = + le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled " "notification for %s:\n", len, get_cmd_string(pkt->hdr.cmd)); @@ -148,8 +231,8 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv, priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status); - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - queue_work(priv->workqueue, &priv->beacon_update); + if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + queue_work(priv->shrd->workqueue, &priv->beacon_update); } /* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */ @@ -258,7 +341,7 @@ static void iwl_recover_from_statistics(struct iwl_priv *priv, { unsigned int msecs; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; msecs = jiffies_to_msecs(stamp - priv->rx_statistics_jiffies); @@ -474,7 +557,7 @@ static void iwl_rx_statistics(struct iwl_priv *priv, priv->rx_statistics_jiffies = stamp; - set_bit(STATUS_STATISTICS, &priv->status); + set_bit(STATUS_STATISTICS, &priv->shrd->status); /* Reschedule the statistics timer to occur in * reg_recalib_period seconds to ensure we get a @@ -483,10 +566,10 @@ static void iwl_rx_statistics(struct iwl_priv *priv, mod_timer(&priv->statistics_periodic, jiffies + msecs_to_jiffies(reg_recalib_period * 1000)); - if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) && + if (unlikely(!test_bit(STATUS_SCANNING, &priv->shrd->status)) && (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { iwl_rx_calc_noise(priv); - queue_work(priv->workqueue, &priv->run_time_calib_work); + queue_work(priv->shrd->workqueue, &priv->run_time_calib_work); } if (priv->cfg->lib->temperature && change) priv->cfg->lib->temperature(priv); @@ -518,7 +601,7 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); - unsigned long status = priv->status; + unsigned long status = priv->shrd->status; IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n", (flags & HW_CARD_DISABLED) ? "Kill" : "On", @@ -529,16 +612,16 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED | CT_CARD_DISABLED)) { - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write_direct32(priv, HBUS_TARG_MBX_C, + iwl_write_direct32(bus(priv), HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); if (!(flags & RXON_CARD_DISABLED)) { - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write_direct32(priv, HBUS_TARG_MBX_C, + iwl_write_direct32(bus(priv), HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); } if (flags & CT_CARD_DISABLED) @@ -548,20 +631,20 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, iwl_tt_exit_ct_kill(priv); if (flags & HW_CARD_DISABLED) - set_bit(STATUS_RF_KILL_HW, &priv->status); + set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); else - clear_bit(STATUS_RF_KILL_HW, &priv->status); + clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); if (!(flags & RXON_CARD_DISABLED)) iwl_scan_cancel(priv); if ((test_bit(STATUS_RF_KILL_HW, &status) != - test_bit(STATUS_RF_KILL_HW, &priv->status))) + test_bit(STATUS_RF_KILL_HW, &priv->shrd->status))) wiphy_rfkill_set_hw_state(priv->hw->wiphy, - test_bit(STATUS_RF_KILL_HW, &priv->status)); + test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&priv->shrd->wait_command_queue); } static void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, @@ -580,7 +663,7 @@ static void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, le32_to_cpu(missed_beacon->total_missed_becons), le32_to_cpu(missed_beacon->num_recvd_beacons), le32_to_cpu(missed_beacon->num_expected_beacons)); - if (!test_bit(STATUS_SCANNING, &priv->status)) + if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) iwl_init_sensitivity(priv); } } @@ -697,7 +780,7 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, ctx->active.bssid_addr)) continue; ctx->last_tx_rejected = false; - iwl_wake_any_queue(priv, ctx); + iwl_trans_wake_any_queue(trans(priv), ctx->ctxid); } } @@ -1018,7 +1101,7 @@ void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) * handle those that need handling via function in * rx_handlers table. See iwl_setup_rx_handlers() */ if (priv->rx_handlers[pkt->hdr.cmd]) { - priv->isr_stats.rx_handlers[pkt->hdr.cmd]++; + priv->rx_handlers_stats[pkt->hdr.cmd]++; priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); } else { /* No handling needed */ diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index dd6937e97055..fc5af3475392 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -68,14 +68,14 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) /* Exit instantly with error when device is not ready * to receive scan abort command or it does not perform * hardware scan currently */ - if (!test_bit(STATUS_READY, &priv->status) || - !test_bit(STATUS_GEO_CONFIGURED, &priv->status) || - !test_bit(STATUS_SCAN_HW, &priv->status) || - test_bit(STATUS_FW_ERROR, &priv->status) || - test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (!test_bit(STATUS_READY, &priv->shrd->status) || + !test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) || + !test_bit(STATUS_SCAN_HW, &priv->shrd->status) || + test_bit(STATUS_FW_ERROR, &priv->shrd->status) || + test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return -EIO; - ret = trans_send_cmd(&priv->trans, &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); if (ret) return ret; @@ -91,7 +91,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) ret = -EIO; } - iwl_free_pages(priv, cmd.reply_page); + iwl_free_pages(priv->shrd, cmd.reply_page); return ret; } @@ -103,6 +103,12 @@ static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) ieee80211_scan_completed(priv->hw, aborted); } + if (priv->scan_type == IWL_SCAN_ROC) { + ieee80211_remain_on_channel_expired(priv->hw); + priv->hw_roc_channel = NULL; + schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ); + } + priv->scan_type = IWL_SCAN_NORMAL; priv->scan_vif = NULL; priv->scan_request = NULL; @@ -110,17 +116,17 @@ static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) void iwl_force_scan_end(struct iwl_priv *priv) { - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); - if (!test_bit(STATUS_SCANNING, &priv->status)) { + if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Forcing scan end while not scanning\n"); return; } IWL_DEBUG_SCAN(priv, "Forcing scan end\n"); - clear_bit(STATUS_SCANNING, &priv->status); - clear_bit(STATUS_SCAN_HW, &priv->status); - clear_bit(STATUS_SCAN_ABORTING, &priv->status); + clear_bit(STATUS_SCANNING, &priv->shrd->status); + clear_bit(STATUS_SCAN_HW, &priv->shrd->status); + clear_bit(STATUS_SCAN_ABORTING, &priv->shrd->status); iwl_complete_scan(priv, true); } @@ -128,14 +134,14 @@ static void iwl_do_scan_abort(struct iwl_priv *priv) { int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); - if (!test_bit(STATUS_SCANNING, &priv->status)) { + if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Not performing scan to abort\n"); return; } - if (test_and_set_bit(STATUS_SCAN_ABORTING, &priv->status)) { + if (test_and_set_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Scan abort in progress\n"); return; } @@ -154,7 +160,7 @@ static void iwl_do_scan_abort(struct iwl_priv *priv) int iwl_scan_cancel(struct iwl_priv *priv) { IWL_DEBUG_SCAN(priv, "Queuing abort scan\n"); - queue_work(priv->workqueue, &priv->abort_scan); + queue_work(priv->shrd->workqueue, &priv->abort_scan); return 0; } @@ -167,19 +173,19 @@ int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) { unsigned long timeout = jiffies + msecs_to_jiffies(ms); - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); IWL_DEBUG_SCAN(priv, "Scan cancel timeout\n"); iwl_do_scan_abort(priv); while (time_before_eq(jiffies, timeout)) { - if (!test_bit(STATUS_SCAN_HW, &priv->status)) + if (!test_bit(STATUS_SCAN_HW, &priv->shrd->status)) break; msleep(20); } - return test_bit(STATUS_SCAN_HW, &priv->status); + return test_bit(STATUS_SCAN_HW, &priv->shrd->status); } /* Service response to REPLY_SCAN_CMD (0x80) */ @@ -211,6 +217,9 @@ static void iwl_rx_scan_start_notif(struct iwl_priv *priv, le32_to_cpu(notif->tsf_high), le32_to_cpu(notif->tsf_low), notif->status, notif->beacon_timer); + + if (priv->scan_type == IWL_SCAN_ROC) + ieee80211_ready_on_channel(priv->hw); } /* Service SCAN_RESULTS_NOTIFICATION (0x83) */ @@ -248,13 +257,13 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, scan_notif->tsf_high, scan_notif->status); /* The HW is no longer scanning */ - clear_bit(STATUS_SCAN_HW, &priv->status); + clear_bit(STATUS_SCAN_HW, &priv->shrd->status); IWL_DEBUG_SCAN(priv, "Scan on %sGHz took %dms\n", (priv->scan_band == IEEE80211_BAND_2GHZ) ? "2.4" : "5.2", jiffies_to_msecs(jiffies - priv->scan_start)); - queue_work(priv->workqueue, &priv->scan_completed); + queue_work(priv->shrd->workqueue, &priv->scan_completed); if (priv->iw_mode != NL80211_IFTYPE_ADHOC && iwl_advanced_bt_coexist(priv) && @@ -274,7 +283,8 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, IWL_BT_COEX_TRAFFIC_LOAD_NONE; } priv->bt_status = scan_notif->bt_status; - queue_work(priv->workqueue, &priv->bt_traffic_change_work); + queue_work(priv->shrd->workqueue, + &priv->bt_traffic_change_work); } } @@ -334,7 +344,7 @@ u16 iwl_get_passive_dwell_time(struct iwl_priv *priv, void iwl_init_scan_params(struct iwl_priv *priv) { - u8 ant_idx = fls(priv->hw_params.valid_tx_ant) - 1; + u8 ant_idx = fls(hw_params(priv).valid_tx_ant) - 1; if (!priv->scan_tx_ant[IEEE80211_BAND_5GHZ]) priv->scan_tx_ant[IEEE80211_BAND_5GHZ] = ant_idx; if (!priv->scan_tx_ant[IEEE80211_BAND_2GHZ]) @@ -348,44 +358,44 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); cancel_delayed_work(&priv->scan_check); - if (!iwl_is_ready_rf(priv)) { + if (!iwl_is_ready_rf(priv->shrd)) { IWL_WARN(priv, "Request scan called when driver not ready.\n"); return -EIO; } - if (test_bit(STATUS_SCAN_HW, &priv->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Multiple concurrent scan requests in parallel.\n"); return -EBUSY; } - if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { + if (test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Scan request while abort pending.\n"); return -EBUSY; } IWL_DEBUG_SCAN(priv, "Starting %sscan...\n", scan_type == IWL_SCAN_NORMAL ? "" : - scan_type == IWL_SCAN_OFFCH_TX ? "offchan TX " : + scan_type == IWL_SCAN_ROC ? "remain-on-channel " : "internal short "); - set_bit(STATUS_SCANNING, &priv->status); + set_bit(STATUS_SCANNING, &priv->shrd->status); priv->scan_type = scan_type; priv->scan_start = jiffies; priv->scan_band = band; ret = iwlagn_request_scan(priv, vif); if (ret) { - clear_bit(STATUS_SCANNING, &priv->status); + clear_bit(STATUS_SCANNING, &priv->shrd->status); priv->scan_type = IWL_SCAN_NORMAL; return ret; } - queue_delayed_work(priv->workqueue, &priv->scan_check, + queue_delayed_work(priv->shrd->workqueue, &priv->scan_check, IWL_SCAN_CHECK_WATCHDOG); return 0; @@ -403,9 +413,9 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, if (req->n_channels == 0) return -EINVAL; - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - if (test_bit(STATUS_SCANNING, &priv->status) && + if (test_bit(STATUS_SCANNING, &priv->shrd->status) && priv->scan_type != IWL_SCAN_NORMAL) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); ret = -EAGAIN; @@ -430,7 +440,7 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "leave\n"); out_unlock: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return ret; } @@ -441,7 +451,7 @@ out_unlock: */ void iwl_internal_short_hw_scan(struct iwl_priv *priv) { - queue_work(priv->workqueue, &priv->start_internal_scan); + queue_work(priv->shrd->workqueue, &priv->start_internal_scan); } static void iwl_bg_start_internal_scan(struct work_struct *work) @@ -451,14 +461,14 @@ static void iwl_bg_start_internal_scan(struct work_struct *work) IWL_DEBUG_SCAN(priv, "Start internal scan\n"); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); if (priv->scan_type == IWL_SCAN_RADIO_RESET) { IWL_DEBUG_SCAN(priv, "Internal scan already in progress\n"); goto unlock; } - if (test_bit(STATUS_SCANNING, &priv->status)) { + if (test_bit(STATUS_SCANNING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); goto unlock; } @@ -466,7 +476,7 @@ static void iwl_bg_start_internal_scan(struct work_struct *work) if (iwl_scan_initiate(priv, NULL, IWL_SCAN_RADIO_RESET, priv->band)) IWL_DEBUG_SCAN(priv, "failed to start internal short scan\n"); unlock: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static void iwl_bg_scan_check(struct work_struct *data) @@ -479,9 +489,9 @@ static void iwl_bg_scan_check(struct work_struct *data) /* Since we are here firmware does not finish scan and * most likely is in bad shape, so we don't bother to * send abort command, just force scan complete to mac80211 */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_force_scan_end(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } /** @@ -539,9 +549,9 @@ static void iwl_bg_abort_scan(struct work_struct *work) /* We keep scan_check work queued in case when firmware will not * report back scan completed notification */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_scan_cancel_timeout(priv, 200); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } static void iwl_bg_scan_completed(struct work_struct *work) @@ -554,21 +564,21 @@ static void iwl_bg_scan_completed(struct work_struct *work) cancel_delayed_work(&priv->scan_check); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); - aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); + aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->shrd->status); if (aborted) IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); - if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { + if (!test_and_clear_bit(STATUS_SCANNING, &priv->shrd->status)) { IWL_DEBUG_SCAN(priv, "Scan already completed.\n"); goto out_settings; } - if (priv->scan_type == IWL_SCAN_OFFCH_TX && priv->offchan_tx_skb) { - ieee80211_tx_status_irqsafe(priv->hw, - priv->offchan_tx_skb); - priv->offchan_tx_skb = NULL; + if (priv->scan_type == IWL_SCAN_ROC) { + ieee80211_remain_on_channel_expired(priv->hw); + priv->hw_roc_channel = NULL; + schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ); } if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) { @@ -596,13 +606,13 @@ out_complete: out_settings: /* Can we still talk to firmware ? */ - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) goto out; iwlagn_post_scan(priv); out: - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } void iwl_setup_scan_deferred_work(struct iwl_priv *priv) @@ -620,8 +630,8 @@ void iwl_cancel_scan_deferred_work(struct iwl_priv *priv) cancel_work_sync(&priv->scan_completed); if (cancel_delayed_work_sync(&priv->scan_check)) { - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); iwl_force_scan_end(priv); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); } } diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h new file mode 100644 index 000000000000..d987bee5e6ce --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -0,0 +1,482 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __iwl_shared_h__ +#define __iwl_shared_h__ + +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/mutex.h> +#include <linux/gfp.h> +#include <linux/mm.h> /* for page_address */ +#include <net/mac80211.h> + +#include "iwl-commands.h" + +/*This files includes all the types / functions that are exported by the + * upper layer to the bus and transport layer */ + +struct iwl_cfg; +struct iwl_bus; +struct iwl_priv; +struct iwl_sensitivity_ranges; +struct iwl_trans_ops; + +#define DRV_NAME "iwlagn" +#define IWLWIFI_VERSION "in-tree:" +#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" +#define DRV_AUTHOR "<ilw@linux.intel.com>" + +extern struct iwl_mod_params iwlagn_mod_params; + +/** + * struct iwl_mod_params + * @sw_crypto: using hardware encryption, default = 0 + * @num_of_queues: number of tx queue, HW dependent + * @disable_11n: 11n capabilities enabled, default = 0 + * @amsdu_size_8K: enable 8K amsdu size, default = 1 + * @antenna: both antennas (use diversity), default = 0 + * @restart_fw: restart firmware, default = 1 + * @plcp_check: enable plcp health check, default = true + * @ack_check: disable ack health check, default = false + * @wd_disable: enable stuck queue check, default = false + * @bt_coex_active: enable bt coex, default = true + * @led_mode: system default, default = 0 + * @no_sleep_autoadjust: disable autoadjust, default = true + * @power_save: disable power save, default = false + * @power_level: power level, default = 1 + * @debug_level: levels are IWL_DL_* + * @ant_coupling: antenna coupling in dB, default = 0 + * @bt_ch_announce: BT channel inhibition, default = enable + * @wanted_ucode_alternative: ucode alternative to use, default = 1 + * @auto_agg: enable agg. without check, default = true + */ +struct iwl_mod_params { + int sw_crypto; + int num_of_queues; + int disable_11n; + int amsdu_size_8K; + int antenna; + int restart_fw; + bool plcp_check; + bool ack_check; + bool wd_disable; + bool bt_coex_active; + int led_mode; + bool no_sleep_autoadjust; + bool power_save; + int power_level; + u32 debug_level; + int ant_coupling; + bool bt_ch_announce; + int wanted_ucode_alternative; + bool auto_agg; +}; + +/** + * struct iwl_hw_params + * @max_txq_num: Max # Tx queues supported + * @num_ampdu_queues: num of ampdu queues + * @tx/rx_chains_num: Number of TX/RX chains + * @valid_tx/rx_ant: usable antennas + * @max_stations: + * @ht40_channel: is 40MHz width possible in band 2.4 + * @beacon_time_tsf_bits: number of valid tsf bits for beacon time + * @sku: + * @rx_page_order: Rx buffer page order + * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR + * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) + * @sw_crypto: 0 for hw, 1 for sw + * @max_xxx_size: for ucode uses + * @ct_kill_threshold: temperature threshold + * @wd_timeout: TX queues watchdog timeout + * @calib_init_cfg: setup initial calibrations for the hw + * @calib_rt_cfg: setup runtime calibrations for the hw + * @struct iwl_sensitivity_ranges: range of sensitivity values + */ +struct iwl_hw_params { + u8 max_txq_num; + u8 num_ampdu_queues; + u8 tx_chains_num; + u8 rx_chains_num; + u8 valid_tx_ant; + u8 valid_rx_ant; + u8 max_stations; + u8 ht40_channel; + bool shadow_reg_enable; + u16 beacon_time_tsf_bits; + u16 sku; + u32 rx_page_order; + u32 max_inst_size; + u32 max_data_size; + u32 ct_kill_threshold; /* value in hw-dependent units */ + u32 ct_kill_exit_threshold; /* value in hw-dependent units */ + /* for 1000, 6000 series and up */ + unsigned int wd_timeout; + + u32 calib_init_cfg; + u32 calib_rt_cfg; + const struct iwl_sensitivity_ranges *sens; +}; + +/** + * struct iwl_ht_agg - aggregation status while waiting for block-ack + * @txq_id: Tx queue used for Tx attempt + * @wait_for_ba: Expect block-ack before next Tx reply + * @rate_n_flags: Rate at which Tx was attempted + * + * If REPLY_TX indicates that aggregation was attempted, driver must wait + * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info + * until block ack arrives. + */ +struct iwl_ht_agg { + u16 txq_id; + u16 wait_for_ba; + u32 rate_n_flags; +#define IWL_AGG_OFF 0 +#define IWL_AGG_ON 1 +#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 +#define IWL_EMPTYING_HW_QUEUE_DELBA 3 + u8 state; +}; + +struct iwl_tid_data { + u16 seq_number; /* agn only */ + u16 tfds_in_queue; + struct iwl_ht_agg agg; +}; + +/** + * struct iwl_shared - shared fields for all the layers of the driver + * + * @dbg_level_dev: dbg level set per device. Prevails on + * iwlagn_mod_params.debug_level if set (!= 0) + * @ucode_owner: IWL_OWNERSHIP_* + * @cmd_queue: command queue number + * @status: STATUS_* + * @valid_contexts: microcode/device supports multiple contexts + * @bus: pointer to the bus layer data + * @priv: pointer to the upper layer data + * @hw_params: see struct iwl_hw_params + * @workqueue: the workqueue used by all the layers of the driver + * @lock: protect general shared data + * @sta_lock: protects the station table. + * If lock and sta_lock are needed, lock must be acquired first. + * @mutex: + */ +struct iwl_shared { +#ifdef CONFIG_IWLWIFI_DEBUG + u32 dbg_level_dev; +#endif /* CONFIG_IWLWIFI_DEBUG */ + +#define IWL_OWNERSHIP_DRIVER 0 +#define IWL_OWNERSHIP_TM 1 + u8 ucode_owner; + u8 cmd_queue; + unsigned long status; + bool wowlan; + u8 valid_contexts; + + struct iwl_bus *bus; + struct iwl_priv *priv; + struct iwl_trans *trans; + struct iwl_hw_params hw_params; + + struct workqueue_struct *workqueue; + spinlock_t lock; + spinlock_t sta_lock; + struct mutex mutex; + + /*these 2 shouldn't really be here, but they are needed for + * iwl_queue_stop, which is called from the upper layer too + */ + u8 mac80211_registered; + struct ieee80211_hw *hw; + + struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; + + wait_queue_head_t wait_command_queue; +}; + +/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */ +#define priv(_m) ((_m)->shrd->priv) +#define bus(_m) ((_m)->shrd->bus) +#define trans(_m) ((_m)->shrd->trans) +#define hw_params(_m) ((_m)->shrd->hw_params) + +#ifdef CONFIG_IWLWIFI_DEBUG +/* + * iwl_get_debug_level: Return active debug level for device + * + * Using sysfs it is possible to set per device debug level. This debug + * level will be used if set, otherwise the global debug level which can be + * set via module parameter is used. + */ +static inline u32 iwl_get_debug_level(struct iwl_shared *shrd) +{ + if (shrd->dbg_level_dev) + return shrd->dbg_level_dev; + else + return iwlagn_mod_params.debug_level; +} +#else +static inline u32 iwl_get_debug_level(struct iwl_shared *shrd) +{ + return iwlagn_mod_params.debug_level; +} +#endif + +static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page) +{ + free_pages(page, shrd->hw_params.rx_page_order); +} + +/** + * iwl_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_inc_wrap(int index, int n_bd) +{ + return ++index & (n_bd - 1); +} + +/** + * iwl_queue_dec_wrap - decrement queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_dec_wrap(int index, int n_bd) +{ + return --index & (n_bd - 1); +} + +struct iwl_rx_mem_buffer { + dma_addr_t page_dma; + struct page *page; + struct list_head list; +}; + +#define rxb_addr(r) page_address(r->page) + +/* + * mac80211 queues, ACs, hardware queues, FIFOs. + * + * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues + * + * Mac80211 uses the following numbers, which we get as from it + * by way of skb_get_queue_mapping(skb): + * + * VO 0 + * VI 1 + * BE 2 + * BK 3 + * + * + * Regular (not A-MPDU) frames are put into hardware queues corresponding + * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their + * own queue per aggregation session (RA/TID combination), such queues are + * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In + * order to map frames to the right queue, we also need an AC->hw queue + * mapping. This is implemented here. + * + * Due to the way hw queues are set up (by the hw specific modules like + * iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity + * mapping. + */ + +static const u8 tid_to_ac[] = { + IEEE80211_AC_BE, + IEEE80211_AC_BK, + IEEE80211_AC_BK, + IEEE80211_AC_BE, + IEEE80211_AC_VI, + IEEE80211_AC_VI, + IEEE80211_AC_VO, + IEEE80211_AC_VO +}; + +static inline int get_ac_from_tid(u16 tid) +{ + if (likely(tid < ARRAY_SIZE(tid_to_ac))) + return tid_to_ac[tid]; + + /* no support for TIDs 8-15 yet */ + return -EINVAL; +} + +enum iwl_rxon_context_id { + IWL_RXON_CTX_BSS, + IWL_RXON_CTX_PAN, + + NUM_IWL_RXON_CTX +}; + +#ifdef CONFIG_PM +int iwl_suspend(struct iwl_priv *priv); +int iwl_resume(struct iwl_priv *priv); +#endif /* !CONFIG_PM */ + +int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, + struct iwl_cfg *cfg); +void __devexit iwl_remove(struct iwl_priv * priv); + +void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); +int iwlagn_hw_valid_rtc_data_addr(u32 addr); +void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid); +void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid); +void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state); +void iwl_nic_config(struct iwl_priv *priv); +void iwl_apm_stop(struct iwl_priv *priv); +int iwl_apm_init(struct iwl_priv *priv); +void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); +const char *get_cmd_string(u8 cmd); +bool iwl_check_for_ct_kill(struct iwl_priv *priv); + +#ifdef CONFIG_IWLWIFI_DEBUGFS +void iwl_reset_traffic_log(struct iwl_priv *priv); +#endif /* CONFIG_IWLWIFI_DEBUGFS */ + +#ifdef CONFIG_IWLWIFI_DEBUG +void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid); +#else +static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid) +{ +} +#endif + +#define IWL_CMD(x) case x: return #x +#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) + +#define IWL_TRAFFIC_ENTRIES (256) +#define IWL_TRAFFIC_ENTRY_SIZE (64) + +/***************************************************** +* DRIVER STATUS FUNCTIONS +******************************************************/ +#define STATUS_HCMD_ACTIVE 0 /* host command in progress */ +/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */ +#define STATUS_INT_ENABLED 2 +#define STATUS_RF_KILL_HW 3 +#define STATUS_CT_KILL 4 +#define STATUS_INIT 5 +#define STATUS_ALIVE 6 +#define STATUS_READY 7 +#define STATUS_TEMPERATURE 8 +#define STATUS_GEO_CONFIGURED 9 +#define STATUS_EXIT_PENDING 10 +#define STATUS_STATISTICS 12 +#define STATUS_SCANNING 13 +#define STATUS_SCAN_ABORTING 14 +#define STATUS_SCAN_HW 15 +#define STATUS_POWER_PMI 16 +#define STATUS_FW_ERROR 17 +#define STATUS_DEVICE_ENABLED 18 +#define STATUS_CHANNEL_SWITCH_PENDING 19 + +static inline int iwl_is_ready(struct iwl_shared *shrd) +{ + /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are + * set but EXIT_PENDING is not */ + return test_bit(STATUS_READY, &shrd->status) && + test_bit(STATUS_GEO_CONFIGURED, &shrd->status) && + !test_bit(STATUS_EXIT_PENDING, &shrd->status); +} + +static inline int iwl_is_alive(struct iwl_shared *shrd) +{ + return test_bit(STATUS_ALIVE, &shrd->status); +} + +static inline int iwl_is_init(struct iwl_shared *shrd) +{ + return test_bit(STATUS_INIT, &shrd->status); +} + +static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd) +{ + return test_bit(STATUS_RF_KILL_HW, &shrd->status); +} + +static inline int iwl_is_rfkill(struct iwl_shared *shrd) +{ + return iwl_is_rfkill_hw(shrd); +} + +static inline int iwl_is_ctkill(struct iwl_shared *shrd) +{ + return test_bit(STATUS_CT_KILL, &shrd->status); +} + +static inline int iwl_is_ready_rf(struct iwl_shared *shrd) +{ + if (iwl_is_rfkill(shrd)) + return 0; + + return iwl_is_ready(shrd); +} + +#endif /* #__iwl_shared_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 1ef3b7106ad5..e24135e7d37d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -38,7 +38,7 @@ #include "iwl-trans.h" #include "iwl-agn.h" -/* priv->sta_lock must be held */ +/* priv->shrd->sta_lock must be held */ static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) { @@ -75,7 +75,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", sta_id); - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); switch (pkt->u.add_sta.status) { case ADD_STA_SUCCESS_MSK: @@ -118,19 +118,19 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, priv->stations[sta_id].sta.mode == STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", addsta->sta.addr); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return ret; } -static void iwl_add_sta_callback(struct iwl_priv *priv, +static void iwl_add_sta_callback(struct iwl_shared *shrd, struct iwl_device_cmd *cmd, struct iwl_rx_packet *pkt) { struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)cmd->cmd.payload; - iwl_process_add_sta_resp(priv, addsta, pkt, false); + iwl_process_add_sta_resp(shrd->priv, addsta, pkt, false); } @@ -168,7 +168,7 @@ int iwl_send_add_sta(struct iwl_priv *priv, } cmd.len[0] = iwlagn_build_addsta_hcmd(sta, data); - ret = trans_send_cmd(&priv->trans, &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); if (ret || (flags & CMD_ASYNC)) return ret; @@ -177,7 +177,7 @@ int iwl_send_add_sta(struct iwl_priv *priv, pkt = (struct iwl_rx_packet *)cmd.reply_page; ret = iwl_process_add_sta_resp(priv, sta, pkt, true); } - iwl_free_pages(priv, cmd.reply_page); + iwl_free_pages(priv->shrd, cmd.reply_page); return ret; } @@ -251,7 +251,8 @@ u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, else if (is_broadcast_ether_addr(addr)) sta_id = ctx->bcast_sta_id; else - for (i = IWL_STA_ID; i < priv->hw_params.max_stations; i++) { + for (i = IWL_STA_ID; + i < hw_params(priv).max_stations; i++) { if (!compare_ether_addr(priv->stations[i].sta.sta.addr, addr)) { sta_id = i; @@ -336,12 +337,12 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_addsta_cmd sta_cmd; *sta_id_r = 0; - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare station %pM for addition\n", addr); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EINVAL; } @@ -353,7 +354,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { IWL_DEBUG_INFO(priv, "STA %d already in process of being added.\n", sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EEXIST; } @@ -361,23 +362,23 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not adding again.\n", sta_id, addr); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EEXIST; } priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); /* Add station to device's station table */ ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[sta_id].sta.sta.addr); priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); } *sta_id_r = sta_id; return ret; @@ -386,7 +387,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, /** * iwl_sta_ucode_deactivate - deactivate ucode status for a station * - * priv->sta_lock must be held + * priv->shrd->sta_lock must be held */ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) { @@ -424,7 +425,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, cmd.flags |= CMD_WANT_SKB; - ret = trans_send_cmd(&priv->trans, &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); if (ret) return ret; @@ -440,9 +441,11 @@ static int iwl_send_remove_station(struct iwl_priv *priv, switch (pkt->u.rem_sta.status) { case REM_STA_SUCCESS_MSK: if (!temporary) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); } IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; @@ -452,7 +455,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, break; } } - iwl_free_pages(priv, cmd.reply_page); + iwl_free_pages(priv->shrd, cmd.reply_page); return ret; } @@ -465,7 +468,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, { unsigned long flags; - if (!iwl_is_ready(priv)) { + if (!iwl_is_ready(priv->shrd)) { IWL_DEBUG_INFO(priv, "Unable to remove station %pM, device not ready.\n", addr); @@ -483,7 +486,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(sta_id == IWL_INVALID_STATION)) return -EINVAL; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n", @@ -509,11 +512,11 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(priv->num_stations < 0)) priv->num_stations = 0; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_remove_station(priv, addr, sta_id, false); out_err: - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return -EINVAL; } @@ -534,8 +537,8 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n"); - spin_lock_irqsave(&priv->sta_lock, flags_spin); - for (i = 0; i < priv->hw_params.max_stations; i++) { + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + for (i = 0; i < hw_params(priv).max_stations; i++) { if (ctx && ctx->ctxid != priv->stations[i].ctxid) continue; @@ -545,7 +548,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, cleared = true; } } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); if (!cleared) IWL_DEBUG_INFO(priv, "No active stations found to be cleared\n"); @@ -569,14 +572,14 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) int ret; bool send_lq; - if (!iwl_is_ready(priv)) { + if (!iwl_is_ready(priv->shrd)) { IWL_DEBUG_INFO(priv, "Not ready yet, not restoring any stations.\n"); return; } IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n"); - spin_lock_irqsave(&priv->sta_lock, flags_spin); - for (i = 0; i < priv->hw_params.max_stations; i++) { + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + for (i = 0; i < hw_params(priv).max_stations; i++) { if (ctx->ctxid != priv->stations[i].ctxid) continue; if ((priv->stations[i].used & IWL_STA_DRIVER_ACTIVE) && @@ -589,7 +592,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) } } - for (i = 0; i < priv->hw_params.max_stations; i++) { + for (i = 0; i < hw_params(priv).max_stations; i++) { if ((priv->stations[i].used & IWL_STA_UCODE_INPROGRESS)) { memcpy(&sta_cmd, &priv->stations[i].sta, sizeof(struct iwl_addsta_cmd)); @@ -599,15 +602,18 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) sizeof(struct iwl_link_quality_cmd)); send_lq = true; } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[i].sta.sta.addr); priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); } /* * Rate scaling has already been initialized, send @@ -615,12 +621,12 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) */ if (send_lq) iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; } } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); if (!found) IWL_DEBUG_INFO(priv, "Restoring all known stations .... no stations to be restored.\n"); else @@ -636,9 +642,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) struct iwl_link_quality_cmd lq; bool active; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return; } @@ -648,7 +654,7 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); if (active) { ret = iwl_send_remove_station( @@ -658,9 +664,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) IWL_ERR(priv, "failed to remove STA %pM (%d)\n", priv->stations[sta_id].sta.sta.addr, ret); } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) @@ -685,8 +691,8 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv) unsigned long flags; int i; - spin_lock_irqsave(&priv->sta_lock, flags); - for (i = 0; i < priv->hw_params.max_stations; i++) { + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + for (i = 0; i < hw_params(priv).max_stations; i++) { if (!(priv->stations[i].used & IWL_STA_BCAST)) continue; @@ -697,7 +703,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv) kfree(priv->stations[i].lq); priv->stations[i].lq = NULL; } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -781,19 +787,19 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, return -EINVAL; - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EINVAL; } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); iwl_dump_lq_cmd(priv, lq); if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) return -EINVAL; if (is_lq_table_valid(priv, ctx, lq)) - ret = trans_send_cmd(&priv->trans, &cmd); + ret = iwl_trans_send_cmd(trans(priv), &cmd); else ret = -EINVAL; @@ -803,9 +809,9 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (init) { IWL_DEBUG_INFO(priv, "init LQ command complete, clearing sta addition status for sta %d\n", lq->sta_id); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); priv->stations[lq->sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); } return ret; } @@ -820,13 +826,13 @@ int iwl_mac_sta_remove(struct ieee80211_hw *hw, IWL_DEBUG_INFO(priv, "received request to remove station %pM\n", sta->addr); - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", sta->addr); ret = iwl_remove_station(priv, sta_common->sta_id, sta->addr); if (ret) IWL_ERR(priv, "Error removing station %pM\n", sta->addr); - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return ret; } diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 9a6768d66851..9641eb6b1d0a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -76,7 +76,7 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv) unsigned long flags; struct iwl_rxon_context *ctx; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memset(priv->stations, 0, sizeof(priv->stations)); priv->num_stations = 0; @@ -94,7 +94,7 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv) ctx->key_mapping_keys = 0; } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } static inline int iwl_sta_id(struct ieee80211_sta *sta) diff --git a/drivers/net/wireless/iwlwifi/iwl-sv-open.c b/drivers/net/wireless/iwlwifi/iwl-sv-open.c index b11f60de4f1e..3335d31daf89 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sv-open.c +++ b/drivers/net/wireless/iwlwifi/iwl-sv-open.c @@ -63,6 +63,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/dma-mapping.h> #include <net/net_namespace.h> #include <linux/netdevice.h> #include <net/cfg80211.h> @@ -72,7 +73,6 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-debug.h" -#include "iwl-fh.h" #include "iwl-io.h" #include "iwl-agn.h" #include "iwl-testmode.h" @@ -239,7 +239,7 @@ static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," " len %d\n", cmd.id, cmd.flags, cmd.len[0]); /* ok, let's submit the command to ucode */ - return trans_send_cmd(&priv->trans, &cmd); + return iwl_trans_send_cmd(trans(priv), &cmd); } @@ -277,7 +277,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_REG_READ32: - val32 = iwl_read32(priv, ofs); + val32 = iwl_read32(bus(priv), ofs); IWL_INFO(priv, "32bit value to read 0x%x\n", val32); skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); @@ -299,7 +299,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) } else { val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); IWL_INFO(priv, "32bit value to write 0x%x\n", val32); - iwl_write32(priv, ofs, val32); + iwl_write32(bus(priv), ofs, val32); } break; case IWL_TM_CMD_APP2DEV_REG_WRITE8: @@ -309,7 +309,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) } else { val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); IWL_INFO(priv, "8bit value to write 0x%x\n", val8); - iwl_write8(priv, ofs, val8); + iwl_write8(bus(priv), ofs, val8); } break; default: @@ -405,7 +405,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: iwl_testmode_cfg_init_calib(priv); - trans_stop_device(&priv->trans); + iwl_trans_stop_device(trans(priv)); break; case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: @@ -613,7 +613,7 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) - priv->ucode_owner = owner; + priv->shrd->ucode_owner = owner; else { IWL_DEBUG_INFO(priv, "Invalid owner\n"); return -EINVAL; @@ -661,7 +661,7 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) return -ENOMSG; } /* in case multiple accesses to the device happens */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_UCODE: @@ -702,7 +702,7 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) break; } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return result; } @@ -738,7 +738,7 @@ int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, } /* in case multiple accesses to the device happens */ - mutex_lock(&priv->mutex); + mutex_lock(&priv->shrd->mutex); switch (cmd) { case IWL_TM_CMD_APP2DEV_READ_TRACE: IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); @@ -749,6 +749,6 @@ int iwl_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, break; } - mutex_unlock(&priv->mutex); + mutex_unlock(&priv->shrd->mutex); return result; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h index b79330d84185..8047e955a27b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h @@ -29,54 +29,426 @@ #ifndef __iwl_trans_int_pcie_h__ #define __iwl_trans_int_pcie_h__ +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/skbuff.h> +#include <linux/pci.h> + +#include "iwl-fh.h" +#include "iwl-csr.h" +#include "iwl-shared.h" +#include "iwl-trans.h" +#include "iwl-debug.h" +#include "iwl-io.h" + +struct iwl_tx_queue; +struct iwl_queue; +struct iwl_host_cmd; + /*This file includes the declaration that are internal to the * trans_pcie layer */ +/** + * struct isr_statistics - interrupt statistics + * + */ +struct isr_statistics { + u32 hw; + u32 sw; + u32 err_code; + u32 sch; + u32 alive; + u32 rfkill; + u32 ctkill; + u32 wakeup; + u32 rx; + u32 tx; + u32 unhandled; +}; + +/** + * struct iwl_rx_queue - Rx queue + * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) + * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) + * @pool: + * @queue: + * @read: Shared index to newest available Rx buffer + * @write: Shared index to oldest written Rx packet + * @free_count: Number of pre-allocated buffers in rx_free + * @write_actual: + * @rx_free: list of free SKBs for use + * @rx_used: List of Rx buffers with no SKB + * @need_update: flag to indicate we need to update read/write index + * @rb_stts: driver's pointer to receive buffer status + * @rb_stts_dma: bus address of receive buffer status + * @lock: + * + * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers + */ +struct iwl_rx_queue { + __le32 *bd; + dma_addr_t bd_dma; + struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; + struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; + u32 read; + u32 write; + u32 free_count; + u32 write_actual; + struct list_head rx_free; + struct list_head rx_used; + int need_update; + struct iwl_rb_status *rb_stts; + dma_addr_t rb_stts_dma; + spinlock_t lock; +}; + +struct iwl_dma_ptr { + dma_addr_t dma; + void *addr; + size_t size; +}; + +/* + * This queue number is required for proper operation + * because the ucode will stop/start the scheduler as + * required. + */ +#define IWL_IPAN_MCAST_QUEUE 8 + +struct iwl_cmd_meta { + /* only for SYNC commands, iff the reply skb is wanted */ + struct iwl_host_cmd *source; + /* + * only for ASYNC commands + * (which is somewhat stupid -- look at iwl-sta.c for instance + * which duplicates a bunch of code because the callback isn't + * invoked for SYNC commands, if it were and its result passed + * through it would be simpler...) + */ + void (*callback)(struct iwl_shared *shrd, + struct iwl_device_cmd *cmd, + struct iwl_rx_packet *pkt); + + u32 flags; + + DEFINE_DMA_UNMAP_ADDR(mapping); + DEFINE_DMA_UNMAP_LEN(len); +}; + +/* + * Generic queue structure + * + * Contains common data for Rx and Tx queues. + * + * Note the difference between n_bd and n_window: the hardware + * always assumes 256 descriptors, so n_bd is always 256 (unless + * there might be HW changes in the future). For the normal TX + * queues, n_window, which is the size of the software queue data + * is also 256; however, for the command queue, n_window is only + * 32 since we don't need so many commands pending. Since the HW + * still uses 256 BDs for DMA though, n_bd stays 256. As a result, + * the software buffers (in the variables @meta, @txb in struct + * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds + * in the same struct) have 256. + * This means that we end up with the following: + * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | + * SW entries: | 0 | ... | 31 | + * where N is a number between 0 and 7. This means that the SW + * data is a window overlayed over the HW queue. + */ +struct iwl_queue { + int n_bd; /* number of BDs in this queue */ + int write_ptr; /* 1-st empty entry (index) host_w*/ + int read_ptr; /* last used entry (index) host_r*/ + /* use for monitoring and recovering the stuck queue */ + dma_addr_t dma_addr; /* physical addr for BD's */ + int n_window; /* safe queue window */ + u32 id; + int low_mark; /* low watermark, resume queue if free + * space more than this */ + int high_mark; /* high watermark, stop queue if free + * space less than this */ +}; + +/** + * struct iwl_tx_queue - Tx Queue for DMA + * @q: generic Rx/Tx queue descriptor + * @bd: base of circular buffer of TFDs + * @cmd: array of command/TX buffer pointers + * @meta: array of meta data for each command/tx buffer + * @dma_addr_cmd: physical address of cmd/tx buffer array + * @txb: array of per-TFD driver data + * @time_stamp: time (in jiffies) of last read_ptr change + * @need_update: indicates need to update read/write index + * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled + * @sta_id: valid if sched_retry is set + * @tid: valid if sched_retry is set + * + * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame + * descriptors) and required locking structures. + */ +#define TFD_TX_CMD_SLOTS 256 +#define TFD_CMD_SLOTS 32 + +struct iwl_tx_queue { + struct iwl_queue q; + struct iwl_tfd *tfds; + struct iwl_device_cmd **cmd; + struct iwl_cmd_meta *meta; + struct sk_buff **skbs; + unsigned long time_stamp; + u8 need_update; + u8 sched_retry; + u8 active; + u8 swq_id; + + u16 sta_id; + u16 tid; +}; + +/** + * struct iwl_trans_pcie - PCIe transport specific data + * @rxq: all the RX queue data + * @rx_replenish: work that will be called when buffers need to be allocated + * @trans: pointer to the generic transport area + * @scd_base_addr: scheduler sram base address in SRAM + * @scd_bc_tbls: pointer to the byte count table of the scheduler + * @kw: keep warm address + * @ac_to_fifo: to what fifo is a specifc AC mapped ? + * @ac_to_queue: to what tx queue is a specifc AC mapped ? + * @mcast_queue: + * @txq: Tx DMA processing queues + * @txq_ctx_active_msk: what queue is active + * queue_stopped: tracks what queue is stopped + * queue_stop_count: tracks what SW queue is stopped + */ +struct iwl_trans_pcie { + struct iwl_rx_queue rxq; + struct work_struct rx_replenish; + struct iwl_trans *trans; + + /* INT ICT Table */ + __le32 *ict_tbl; + void *ict_tbl_vir; + dma_addr_t ict_tbl_dma; + dma_addr_t aligned_ict_tbl_dma; + int ict_index; + u32 inta; + bool use_ict; + struct tasklet_struct irq_tasklet; + struct isr_statistics isr_stats; + + u32 inta_mask; + u32 scd_base_addr; + struct iwl_dma_ptr scd_bc_tbls; + struct iwl_dma_ptr kw; + + const u8 *ac_to_fifo[NUM_IWL_RXON_CTX]; + const u8 *ac_to_queue[NUM_IWL_RXON_CTX]; + u8 mcast_queue[NUM_IWL_RXON_CTX]; + + struct iwl_tx_queue *txq; + unsigned long txq_ctx_active_msk; +#define IWL_MAX_HW_QUEUES 32 + unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; + atomic_t queue_stop_count[4]; +}; + +#define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \ + ((struct iwl_trans_pcie *) ((_iwl_trans)->trans_specific)) + /***************************************************** * RX ******************************************************/ void iwl_bg_rx_replenish(struct work_struct *data); -void iwl_irq_tasklet(struct iwl_priv *priv); -void iwlagn_rx_replenish(struct iwl_priv *priv); -void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, +void iwl_irq_tasklet(struct iwl_trans *trans); +void iwlagn_rx_replenish(struct iwl_trans *trans); +void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, struct iwl_rx_queue *q); /***************************************************** * ICT ******************************************************/ -int iwl_reset_ict(struct iwl_priv *priv); -void iwl_disable_ict(struct iwl_priv *priv); -int iwl_alloc_isr_ict(struct iwl_priv *priv); -void iwl_free_isr_ict(struct iwl_priv *priv); +int iwl_reset_ict(struct iwl_trans *trans); +void iwl_disable_ict(struct iwl_trans *trans); +int iwl_alloc_isr_ict(struct iwl_trans *trans); +void iwl_free_isr_ict(struct iwl_trans *trans); irqreturn_t iwl_isr_ict(int irq, void *data); - /***************************************************** * TX / HCMD ******************************************************/ -void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq); -void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int index); -int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv, +void iwl_txq_update_write_ptr(struct iwl_trans *trans, + struct iwl_tx_queue *txq); +int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, dma_addr_t addr, u16 len, u8 reset); -int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, - int count, int slots_num, u32 id); -int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); -int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u32 flags, - u16 len, const void *data); -void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); -void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_priv *priv, +int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id); +int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); +int __must_check iwl_trans_pcie_send_cmd_pdu(struct iwl_trans *trans, u8 id, + u32 flags, u16 len, const void *data); +void iwl_tx_cmd_complete(struct iwl_trans *trans, + struct iwl_rx_mem_buffer *rxb); +void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans, struct iwl_tx_queue *txq, u16 byte_cnt); -int iwl_trans_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, - u16 ssn_idx, u8 tx_fifo); -void iwl_trans_set_wr_ptrs(struct iwl_priv *priv, - int txq_id, u32 index); -void iwl_trans_tx_queue_set_status(struct iwl_priv *priv, +void iwl_trans_pcie_txq_agg_disable(struct iwl_trans *trans, int txq_id); +int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid); +void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index); +void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, struct iwl_tx_queue *txq, int tx_fifo_id, int scd_retry); -void iwl_trans_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid, - int frame_limit); +int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid, u16 *ssn); +void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, + int sta_id, int tid, int frame_limit); +void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, + int index); +int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index, + struct sk_buff_head *skbs); +int iwl_queue_space(const struct iwl_queue *q); + +/***************************************************** +* Error handling +******************************************************/ +int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, + char **buf, bool display); +int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display); +void iwl_dump_csr(struct iwl_trans *trans); + +/***************************************************** +* Helpers +******************************************************/ +static inline void iwl_disable_interrupts(struct iwl_trans *trans) +{ + clear_bit(STATUS_INT_ENABLED, &trans->shrd->status); + + /* disable interrupts from uCode/NIC to host */ + iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); + + /* acknowledge/clear/reset any interrupts still pending + * from uCode or flow handler (Rx/Tx DMA) */ + iwl_write32(bus(trans), CSR_INT, 0xffffffff); + iwl_write32(bus(trans), CSR_FH_INT_STATUS, 0xffffffff); + IWL_DEBUG_ISR(trans, "Disabled interrupts\n"); +} + +static inline void iwl_enable_interrupts(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + IWL_DEBUG_ISR(trans, "Enabling interrupts\n"); + set_bit(STATUS_INT_ENABLED, &trans->shrd->status); + iwl_write32(bus(trans), CSR_INT_MASK, trans_pcie->inta_mask); +} + +/* + * we have 8 bits used like this: + * + * 7 6 5 4 3 2 1 0 + * | | | | | | | | + * | | | | | | +-+-------- AC queue (0-3) + * | | | | | | + * | +-+-+-+-+------------ HW queue ID + * | + * +---------------------- unused + */ +static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq) +{ + BUG_ON(ac > 3); /* only have 2 bits */ + BUG_ON(hwq > 31); /* only use 5 bits */ + + txq->swq_id = (hwq << 2) | ac; +} + +static inline void iwl_wake_queue(struct iwl_trans *trans, + struct iwl_tx_queue *txq) +{ + u8 queue = txq->swq_id; + u8 ac = queue & 3; + u8 hwq = (queue >> 2) & 0x1f; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + if (unlikely(!trans->shrd->mac80211_registered)) + return; + + if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) + if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) + ieee80211_wake_queue(trans->shrd->hw, ac); +} + +static inline void iwl_stop_queue(struct iwl_trans *trans, + struct iwl_tx_queue *txq) +{ + u8 queue = txq->swq_id; + u8 ac = queue & 3; + u8 hwq = (queue >> 2) & 0x1f; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + if (unlikely(!trans->shrd->mac80211_registered)) + return; + + if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) + if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) + ieee80211_stop_queue(trans->shrd->hw, ac); +} + +#ifdef ieee80211_stop_queue +#undef ieee80211_stop_queue +#endif + +#define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue + +#ifdef ieee80211_wake_queue +#undef ieee80211_wake_queue +#endif + +#define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue + +static inline void iwl_txq_ctx_activate(struct iwl_trans_pcie *trans_pcie, + int txq_id) +{ + set_bit(txq_id, &trans_pcie->txq_ctx_active_msk); +} + +static inline void iwl_txq_ctx_deactivate(struct iwl_trans_pcie *trans_pcie, + int txq_id) +{ + clear_bit(txq_id, &trans_pcie->txq_ctx_active_msk); +} + +static inline int iwl_queue_used(const struct iwl_queue *q, int i) +{ + return q->write_ptr >= q->read_ptr ? + (i >= q->read_ptr && i < q->write_ptr) : + !(i < q->read_ptr && i >= q->write_ptr); +} + +static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) +{ + return index & (q->n_window - 1); +} + +#define IWL_TX_FIFO_BK 0 /* shared */ +#define IWL_TX_FIFO_BE 1 +#define IWL_TX_FIFO_VI 2 /* shared */ +#define IWL_TX_FIFO_VO 3 +#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK +#define IWL_TX_FIFO_BE_IPAN 4 +#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI +#define IWL_TX_FIFO_VO_IPAN 5 +/* re-uses the VO FIFO, uCode will properly flush/schedule */ +#define IWL_TX_FIFO_AUX 5 +#define IWL_TX_FIFO_UNUSED -1 + +/* AUX (TX during scan dwell) queue */ +#define IWL_AUX_QUEUE 10 #endif /* __iwl_trans_int_pcie_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c index 474860290404..126e5a4cc401 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c @@ -30,8 +30,7 @@ #include <linux/wait.h> #include <linux/gfp.h> -#include "iwl-dev.h" -#include "iwl-agn.h" +/*TODO: Remove include to iwl-core.h*/ #include "iwl-core.h" #include "iwl-io.h" #include "iwl-helpers.h" @@ -127,7 +126,7 @@ static int iwl_rx_queue_space(const struct iwl_rx_queue *q) /** * iwl_rx_queue_update_write_ptr - Update the write pointer for the RX queue */ -void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, +void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, struct iwl_rx_queue *q) { unsigned long flags; @@ -138,34 +137,34 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, if (q->need_update == 0) goto exit_unlock; - if (priv->cfg->base_params->shadow_reg_enable) { + if (hw_params(trans).shadow_reg_enable) { /* shadow register enabled */ /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual); + iwl_write32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual); } else { /* If power-saving is in use, make sure device is awake */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); + if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) { + reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO(priv, + IWL_DEBUG_INFO(trans, "Rx queue requesting wakeup," " GP1 = 0x%x\n", reg); - iwl_set_bit(priv, CSR_GP_CNTRL, + iwl_set_bit(bus(trans), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); goto exit_unlock; } q->write_actual = (q->write & ~0x7); - iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, + iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual); /* Else device is assumed to be awake */ } else { /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, + iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual); } } @@ -178,8 +177,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, /** * iwlagn_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr */ -static inline __le32 iwlagn_dma_addr2rbd_ptr(struct iwl_priv *priv, - dma_addr_t dma_addr) +static inline __le32 iwlagn_dma_addr2rbd_ptr(dma_addr_t dma_addr) { return cpu_to_le32((u32)(dma_addr >> 8)); } @@ -195,9 +193,12 @@ static inline __le32 iwlagn_dma_addr2rbd_ptr(struct iwl_priv *priv, * also updates the memory address in the firmware to reference the new * target buffer. */ -static void iwlagn_rx_queue_restock(struct iwl_priv *priv) +static void iwlagn_rx_queue_restock(struct iwl_trans *trans) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + struct iwl_rx_queue *rxq = &trans_pcie->rxq; struct list_head *element; struct iwl_rx_mem_buffer *rxb; unsigned long flags; @@ -214,8 +215,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv) list_del(element); /* Point to Rx buffer via next RBD in circular buffer */ - rxq->bd[rxq->write] = iwlagn_dma_addr2rbd_ptr(priv, - rxb->page_dma); + rxq->bd[rxq->write] = iwlagn_dma_addr2rbd_ptr(rxb->page_dma); rxq->queue[rxq->write] = rxb; rxq->write = (rxq->write + 1) & RX_QUEUE_MASK; rxq->free_count--; @@ -224,7 +224,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv) /* If the pre-allocated buffer pool is dropping low, schedule to * refill it */ if (rxq->free_count <= RX_LOW_WATERMARK) - queue_work(priv->workqueue, &priv->rx_replenish); + queue_work(trans->shrd->workqueue, &trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. @@ -233,7 +233,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv) spin_lock_irqsave(&rxq->lock, flags); rxq->need_update = 1; spin_unlock_irqrestore(&rxq->lock, flags); - iwl_rx_queue_update_write_ptr(priv, rxq); + iwl_rx_queue_update_write_ptr(trans, rxq); } } @@ -245,9 +245,12 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv) * Also restock the Rx queue via iwl_rx_queue_restock. * This is called as a scheduled work item (except for during initialization) */ -static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority) +static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + struct iwl_rx_queue *rxq = &trans_pcie->rxq; struct list_head *element; struct iwl_rx_mem_buffer *rxb; struct page *page; @@ -265,20 +268,21 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority) if (rxq->free_count > RX_LOW_WATERMARK) gfp_mask |= __GFP_NOWARN; - if (priv->hw_params.rx_page_order > 0) + if (hw_params(trans).rx_page_order > 0) gfp_mask |= __GFP_COMP; /* Alloc a new receive buffer */ - page = alloc_pages(gfp_mask, priv->hw_params.rx_page_order); + page = alloc_pages(gfp_mask, + hw_params(trans).rx_page_order); if (!page) { if (net_ratelimit()) - IWL_DEBUG_INFO(priv, "alloc_pages failed, " - "order: %d\n", - priv->hw_params.rx_page_order); + IWL_DEBUG_INFO(trans, "alloc_pages failed, " + "order: %d\n", + hw_params(trans).rx_page_order); if ((rxq->free_count <= RX_LOW_WATERMARK) && net_ratelimit()) - IWL_CRIT(priv, "Failed to alloc_pages with %s." + IWL_CRIT(trans, "Failed to alloc_pages with %s." "Only %u free buffers remaining.\n", priority == GFP_ATOMIC ? "GFP_ATOMIC" : "GFP_KERNEL", @@ -293,7 +297,7 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority) if (list_empty(&rxq->rx_used)) { spin_unlock_irqrestore(&rxq->lock, flags); - __free_pages(page, priv->hw_params.rx_page_order); + __free_pages(page, hw_params(trans).rx_page_order); return; } element = rxq->rx_used.next; @@ -305,8 +309,8 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority) BUG_ON(rxb->page); rxb->page = page; /* Get physical address of the RB */ - rxb->page_dma = dma_map_page(priv->bus->dev, page, 0, - PAGE_SIZE << priv->hw_params.rx_page_order, + rxb->page_dma = dma_map_page(bus(trans)->dev, page, 0, + PAGE_SIZE << hw_params(trans).rx_page_order, DMA_FROM_DEVICE); /* dma address must be no more than 36 bits */ BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); @@ -322,35 +326,36 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority) } } -void iwlagn_rx_replenish(struct iwl_priv *priv) +void iwlagn_rx_replenish(struct iwl_trans *trans) { unsigned long flags; - iwlagn_rx_allocate(priv, GFP_KERNEL); + iwlagn_rx_allocate(trans, GFP_KERNEL); - spin_lock_irqsave(&priv->lock, flags); - iwlagn_rx_queue_restock(priv); - spin_unlock_irqrestore(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); + iwlagn_rx_queue_restock(trans); + spin_unlock_irqrestore(&trans->shrd->lock, flags); } -static void iwlagn_rx_replenish_now(struct iwl_priv *priv) +static void iwlagn_rx_replenish_now(struct iwl_trans *trans) { - iwlagn_rx_allocate(priv, GFP_ATOMIC); + iwlagn_rx_allocate(trans, GFP_ATOMIC); - iwlagn_rx_queue_restock(priv); + iwlagn_rx_queue_restock(trans); } void iwl_bg_rx_replenish(struct work_struct *data) { - struct iwl_priv *priv = - container_of(data, struct iwl_priv, rx_replenish); + struct iwl_trans_pcie *trans_pcie = + container_of(data, struct iwl_trans_pcie, rx_replenish); + struct iwl_trans *trans = trans_pcie->trans; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) return; - mutex_lock(&priv->mutex); - iwlagn_rx_replenish(priv); - mutex_unlock(&priv->mutex); + mutex_lock(&trans->shrd->mutex); + iwlagn_rx_replenish(trans); + mutex_unlock(&trans->shrd->mutex); } /** @@ -360,11 +365,13 @@ void iwl_bg_rx_replenish(struct work_struct *data) * the appropriate handlers, including command responses, * frame-received notifications, and other notifications. */ -static void iwl_rx_handle(struct iwl_priv *priv) +static void iwl_rx_handle(struct iwl_trans *trans) { struct iwl_rx_mem_buffer *rxb; struct iwl_rx_packet *pkt; - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; u32 r, i; int reclaim; unsigned long flags; @@ -379,7 +386,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) /* Rx interrupt, but nothing sent from uCode */ if (i == r) - IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i); + IWL_DEBUG_RX(trans, "r = %d, i = %d\n", r, i); /* calculate total frames need to be restock after handling RX */ total_empty = r - rxq->write_actual; @@ -404,17 +411,17 @@ static void iwl_rx_handle(struct iwl_priv *priv) rxq->queue[i] = NULL; - dma_unmap_page(priv->bus->dev, rxb->page_dma, - PAGE_SIZE << priv->hw_params.rx_page_order, + dma_unmap_page(bus(trans)->dev, rxb->page_dma, + PAGE_SIZE << hw_params(trans).rx_page_order, DMA_FROM_DEVICE); pkt = rxb_addr(rxb); - IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, + IWL_DEBUG_RX(trans, "r = %d, i = %d, %s, 0x%02x\n", r, i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; len += sizeof(u32); /* account for status word */ - trace_iwlwifi_dev_rx(priv, pkt, len); + trace_iwlwifi_dev_rx(priv(trans), pkt, len); /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -430,7 +437,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) (pkt->hdr.cmd != STATISTICS_NOTIFICATION) && (pkt->hdr.cmd != REPLY_TX); - iwl_rx_dispatch(priv, rxb); + iwl_rx_dispatch(priv(trans), rxb); /* * XXX: After here, we should always check rxb->page @@ -442,12 +449,12 @@ static void iwl_rx_handle(struct iwl_priv *priv) if (reclaim) { /* Invoke any callbacks, transfer the buffer to caller, * and fire off the (possibly) blocking - * trans_send_cmd() + * iwl_trans_send_cmd() * as we reclaim the driver command queue */ if (rxb->page) - iwl_tx_cmd_complete(priv, rxb); + iwl_tx_cmd_complete(trans, rxb); else - IWL_WARN(priv, "Claim null rxb?\n"); + IWL_WARN(trans, "Claim null rxb?\n"); } /* Reuse the page if possible. For notification packets and @@ -455,8 +462,9 @@ static void iwl_rx_handle(struct iwl_priv *priv) * rx_free list for reuse later. */ spin_lock_irqsave(&rxq->lock, flags); if (rxb->page != NULL) { - rxb->page_dma = dma_map_page(priv->bus->dev, rxb->page, - 0, PAGE_SIZE << priv->hw_params.rx_page_order, + rxb->page_dma = dma_map_page(bus(trans)->dev, rxb->page, + 0, PAGE_SIZE << + hw_params(trans).rx_page_order, DMA_FROM_DEVICE); list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; @@ -472,7 +480,7 @@ static void iwl_rx_handle(struct iwl_priv *priv) count++; if (count >= 8) { rxq->read = i; - iwlagn_rx_replenish_now(priv); + iwlagn_rx_replenish_now(trans); count = 0; } } @@ -481,13 +489,411 @@ static void iwl_rx_handle(struct iwl_priv *priv) /* Backtrack one entry */ rxq->read = i; if (fill_rx) - iwlagn_rx_replenish_now(priv); + iwlagn_rx_replenish_now(trans); + else + iwlagn_rx_queue_restock(trans); +} + +static const char * const desc_lookup_text[] = { + "OK", + "FAIL", + "BAD_PARAM", + "BAD_CHECKSUM", + "NMI_INTERRUPT_WDG", + "SYSASSERT", + "FATAL_ERROR", + "BAD_COMMAND", + "HW_ERROR_TUNE_LOCK", + "HW_ERROR_TEMPERATURE", + "ILLEGAL_CHAN_FREQ", + "VCC_NOT_STABLE", + "FH_ERROR", + "NMI_INTERRUPT_HOST", + "NMI_INTERRUPT_ACTION_PT", + "NMI_INTERRUPT_UNKNOWN", + "UCODE_VERSION_MISMATCH", + "HW_ERROR_ABS_LOCK", + "HW_ERROR_CAL_LOCK_FAIL", + "NMI_INTERRUPT_INST_ACTION_PT", + "NMI_INTERRUPT_DATA_ACTION_PT", + "NMI_TRM_HW_ER", + "NMI_INTERRUPT_TRM", + "NMI_INTERRUPT_BREAK_POINT", + "DEBUG_0", + "DEBUG_1", + "DEBUG_2", + "DEBUG_3", +}; + +static struct { char *name; u8 num; } advanced_lookup[] = { + { "NMI_INTERRUPT_WDG", 0x34 }, + { "SYSASSERT", 0x35 }, + { "UCODE_VERSION_MISMATCH", 0x37 }, + { "BAD_COMMAND", 0x38 }, + { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, + { "FATAL_ERROR", 0x3D }, + { "NMI_TRM_HW_ERR", 0x46 }, + { "NMI_INTERRUPT_TRM", 0x4C }, + { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, + { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, + { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, + { "NMI_INTERRUPT_HOST", 0x66 }, + { "NMI_INTERRUPT_ACTION_PT", 0x7C }, + { "NMI_INTERRUPT_UNKNOWN", 0x84 }, + { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, + { "ADVANCED_SYSASSERT", 0 }, +}; + +static const char *desc_lookup(u32 num) +{ + int i; + int max = ARRAY_SIZE(desc_lookup_text); + + if (num < max) + return desc_lookup_text[num]; + + max = ARRAY_SIZE(advanced_lookup) - 1; + for (i = 0; i < max; i++) { + if (advanced_lookup[i].num == num) + break; + } + return advanced_lookup[i].name; +} + +#define ERROR_START_OFFSET (1 * sizeof(u32)) +#define ERROR_ELEM_SIZE (7 * sizeof(u32)) + +static void iwl_dump_nic_error_log(struct iwl_trans *trans) +{ + u32 base; + struct iwl_error_event_table table; + struct iwl_priv *priv = priv(trans); + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + base = priv->device_pointers.error_event_table; + if (priv->ucode_type == IWL_UCODE_INIT) { + if (!base) + base = priv->init_errlog_ptr; + } else { + if (!base) + base = priv->inst_errlog_ptr; + } + + if (!iwlagn_hw_valid_rtc_data_addr(base)) { + IWL_ERR(trans, + "Not valid error log pointer 0x%08X for %s uCode\n", + base, + (priv->ucode_type == IWL_UCODE_INIT) + ? "Init" : "RT"); + return; + } + + iwl_read_targ_mem_words(bus(priv), base, &table, sizeof(table)); + + if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { + IWL_ERR(trans, "Start IWL Error Log Dump:\n"); + IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", + trans->shrd->status, table.valid); + } + + trans_pcie->isr_stats.err_code = table.error_id; + + trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low, + table.data1, table.data2, table.line, + table.blink1, table.blink2, table.ilink1, + table.ilink2, table.bcon_time, table.gp1, + table.gp2, table.gp3, table.ucode_ver, + table.hw_ver, table.brd_ver); + IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id, + desc_lookup(table.error_id)); + IWL_ERR(trans, "0x%08X | uPc\n", table.pc); + IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1); + IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2); + IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1); + IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2); + IWL_ERR(trans, "0x%08X | data1\n", table.data1); + IWL_ERR(trans, "0x%08X | data2\n", table.data2); + IWL_ERR(trans, "0x%08X | line\n", table.line); + IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time); + IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low); + IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi); + IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1); + IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2); + IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3); + IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver); + IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver); + IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver); + IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd); +} + +/** + * iwl_irq_handle_error - called for HW or SW error interrupt from card + */ +static void iwl_irq_handle_error(struct iwl_trans *trans) +{ + struct iwl_priv *priv = priv(trans); + /* W/A for WiFi/WiMAX coex and WiMAX own the RF */ + if (priv->cfg->internal_wimax_coex && + (!(iwl_read_prph(bus(trans), APMG_CLK_CTRL_REG) & + APMS_CLK_VAL_MRB_FUNC_MODE) || + (iwl_read_prph(bus(trans), APMG_PS_CTRL_REG) & + APMG_PS_CTRL_VAL_RESET_REQ))) { + /* + * Keep the restart process from trying to send host + * commands by clearing the ready bit. + */ + clear_bit(STATUS_READY, &trans->shrd->status); + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + wake_up_interruptible(&priv->shrd->wait_command_queue); + IWL_ERR(trans, "RF is used by WiMAX\n"); + return; + } + + IWL_ERR(trans, "Loaded firmware version: %s\n", + priv->hw->wiphy->fw_version); + + iwl_dump_nic_error_log(trans); + iwl_dump_csr(trans); + iwl_dump_fh(trans, NULL, false); + iwl_dump_nic_event_log(trans, false, NULL, false); +#ifdef CONFIG_IWLWIFI_DEBUG + if (iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) + iwl_print_rx_config_cmd(priv(trans), IWL_RXON_CTX_BSS); +#endif + + iwlagn_fw_error(priv, false); +} + +#define EVENT_START_OFFSET (4 * sizeof(u32)) + +/** + * iwl_print_event_log - Dump error event log to syslog + * + */ +static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, + u32 num_events, u32 mode, + int pos, char **buf, size_t bufsz) +{ + u32 i; + u32 base; /* SRAM byte address of event log header */ + u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ + u32 ptr; /* SRAM byte address of log data */ + u32 ev, time, data; /* event log data */ + unsigned long reg_flags; + struct iwl_priv *priv = priv(trans); + + if (num_events == 0) + return pos; + + base = priv->device_pointers.log_event_table; + if (priv->ucode_type == IWL_UCODE_INIT) { + if (!base) + base = priv->init_evtlog_ptr; + } else { + if (!base) + base = priv->inst_evtlog_ptr; + } + + if (mode == 0) + event_size = 2 * sizeof(u32); else - iwlagn_rx_queue_restock(priv); + event_size = 3 * sizeof(u32); + + ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&bus(trans)->reg_lock, reg_flags); + iwl_grab_nic_access(bus(trans)); + + /* Set starting address; reads will auto-increment */ + iwl_write32(bus(trans), HBUS_TARG_MEM_RADDR, ptr); + rmb(); + + /* "time" is actually "data" for mode 0 (no timestamp). + * place event id # at far right for easier visual parsing. */ + for (i = 0; i < num_events; i++) { + ev = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + time = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + if (mode == 0) { + /* data, ev */ + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOG:0x%08x:%04u\n", + time, ev); + } else { + trace_iwlwifi_dev_ucode_event(priv, 0, + time, ev); + IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n", + time, ev); + } + } else { + data = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + } else { + IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, + data, ev); + } + } + } + + /* Allow device to power down */ + iwl_release_nic_access(bus(trans)); + spin_unlock_irqrestore(&bus(trans)->reg_lock, reg_flags); + return pos; +} + +/** + * iwl_print_last_event_logs - Dump the newest # of event log to syslog + */ +static int iwl_print_last_event_logs(struct iwl_trans *trans, u32 capacity, + u32 num_wraps, u32 next_entry, + u32 size, u32 mode, + int pos, char **buf, size_t bufsz) +{ + /* + * display the newest DEFAULT_LOG_ENTRIES entries + * i.e the entries just before the next ont that uCode would fill. + */ + if (num_wraps) { + if (next_entry < size) { + pos = iwl_print_event_log(trans, + capacity - (size - next_entry), + size - next_entry, mode, + pos, buf, bufsz); + pos = iwl_print_event_log(trans, 0, + next_entry, mode, + pos, buf, bufsz); + } else + pos = iwl_print_event_log(trans, next_entry - size, + size, mode, pos, buf, bufsz); + } else { + if (next_entry < size) { + pos = iwl_print_event_log(trans, 0, next_entry, + mode, pos, buf, bufsz); + } else { + pos = iwl_print_event_log(trans, next_entry - size, + size, mode, pos, buf, bufsz); + } + } + return pos; +} + +#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) + +int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, + char **buf, bool display) +{ + u32 base; /* SRAM byte address of event log header */ + u32 capacity; /* event log capacity in # entries */ + u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ + u32 num_wraps; /* # times uCode wrapped to top of log */ + u32 next_entry; /* index of next entry to be written by uCode */ + u32 size; /* # entries that we'll print */ + u32 logsize; + int pos = 0; + size_t bufsz = 0; + struct iwl_priv *priv = priv(trans); + + base = priv->device_pointers.log_event_table; + if (priv->ucode_type == IWL_UCODE_INIT) { + logsize = priv->init_evtlog_size; + if (!base) + base = priv->init_evtlog_ptr; + } else { + logsize = priv->inst_evtlog_size; + if (!base) + base = priv->inst_evtlog_ptr; + } + + if (!iwlagn_hw_valid_rtc_data_addr(base)) { + IWL_ERR(trans, + "Invalid event log pointer 0x%08X for %s uCode\n", + base, + (priv->ucode_type == IWL_UCODE_INIT) + ? "Init" : "RT"); + return -EINVAL; + } + + /* event log header */ + capacity = iwl_read_targ_mem(bus(trans), base); + mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32))); + num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32))); + next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32))); + + if (capacity > logsize) { + IWL_ERR(trans, "Log capacity %d is bogus, limit to %d " + "entries\n", capacity, logsize); + capacity = logsize; + } + + if (next_entry > logsize) { + IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n", + next_entry, logsize); + next_entry = logsize; + } + + size = num_wraps ? capacity : next_entry; + + /* bail out if nothing in log */ + if (size == 0) { + IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); + return pos; + } + +#ifdef CONFIG_IWLWIFI_DEBUG + if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log) + size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) + ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; +#else + size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) + ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; +#endif + IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n", + size); + +#ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + if (full_log) + bufsz = capacity * 48; + else + bufsz = size * 48; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + } + if ((iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) || full_log) { + /* + * if uCode has wrapped back to top of log, + * start at the oldest entry, + * i.e the next one that uCode would fill. + */ + if (num_wraps) + pos = iwl_print_event_log(trans, next_entry, + capacity - next_entry, mode, + pos, buf, bufsz); + /* (then/else) start at top of log */ + pos = iwl_print_event_log(trans, 0, + next_entry, mode, pos, buf, bufsz); + } else + pos = iwl_print_last_event_logs(trans, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); +#else + pos = iwl_print_last_event_logs(trans, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); +#endif + return pos; } /* tasklet for iwlagn interrupt */ -void iwl_irq_tasklet(struct iwl_priv *priv) +void iwl_irq_tasklet(struct iwl_trans *trans) { u32 inta = 0; u32 handled = 0; @@ -497,7 +903,11 @@ void iwl_irq_tasklet(struct iwl_priv *priv) u32 inta_mask; #endif - spin_lock_irqsave(&priv->lock, flags); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct isr_statistics *isr_stats = &trans_pcie->isr_stats; + + + spin_lock_irqsave(&trans->shrd->lock, flags); /* Ack/clear/reset pending uCode interrupts. * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, @@ -510,33 +920,34 @@ void iwl_irq_tasklet(struct iwl_priv *priv) * hardware bugs here by ACKing all the possible interrupts so that * interrupt coalescing can still be achieved. */ - iwl_write32(priv, CSR_INT, priv->inta | ~priv->inta_mask); + iwl_write32(bus(trans), CSR_INT, + trans_pcie->inta | ~trans_pcie->inta_mask); - inta = priv->inta; + inta = trans_pcie->inta; #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & IWL_DL_ISR) { + if (iwl_get_debug_level(trans->shrd) & IWL_DL_ISR) { /* just for debug */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); - IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x\n ", + inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); + IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ", inta, inta_mask); } #endif - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); - /* saved interrupt in inta variable now we can reset priv->inta */ - priv->inta = 0; + /* saved interrupt in inta variable now we can reset trans_pcie->inta */ + trans_pcie->inta = 0; /* Now service all interrupt bits discovered above. */ if (inta & CSR_INT_BIT_HW_ERR) { - IWL_ERR(priv, "Hardware error detected. Restarting.\n"); + IWL_ERR(trans, "Hardware error detected. Restarting.\n"); /* Tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl_disable_interrupts(trans); - priv->isr_stats.hw++; - iwl_irq_handle_error(priv); + isr_stats->hw++; + iwl_irq_handle_error(trans); handled |= CSR_INT_BIT_HW_ERR; @@ -544,18 +955,18 @@ void iwl_irq_tasklet(struct iwl_priv *priv) } #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) { + if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ if (inta & CSR_INT_BIT_SCD) { - IWL_DEBUG_ISR(priv, "Scheduler finished to transmit " + IWL_DEBUG_ISR(trans, "Scheduler finished to transmit " "the frame/frames.\n"); - priv->isr_stats.sch++; + isr_stats->sch++; } /* Alive notification via Rx interrupt will do the real work */ if (inta & CSR_INT_BIT_ALIVE) { - IWL_DEBUG_ISR(priv, "Alive interrupt\n"); - priv->isr_stats.alive++; + IWL_DEBUG_ISR(trans, "Alive interrupt\n"); + isr_stats->alive++; } } #endif @@ -565,26 +976,28 @@ void iwl_irq_tasklet(struct iwl_priv *priv) /* HW RF KILL switch toggled */ if (inta & CSR_INT_BIT_RF_KILL) { int hw_rf_kill = 0; - if (!(iwl_read32(priv, CSR_GP_CNTRL) & + if (!(iwl_read32(bus(trans), CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) hw_rf_kill = 1; - IWL_WARN(priv, "RF_KILL bit toggled to %s.\n", + IWL_WARN(trans, "RF_KILL bit toggled to %s.\n", hw_rf_kill ? "disable radio" : "enable radio"); - priv->isr_stats.rfkill++; + isr_stats->rfkill++; /* driver only loads ucode once setting the interface up. * the driver allows loading the ucode even if the radio * is killed. Hence update the killswitch state here. The * rfkill handler will care about restarting if needed. */ - if (!test_bit(STATUS_ALIVE, &priv->status)) { + if (!test_bit(STATUS_ALIVE, &trans->shrd->status)) { if (hw_rf_kill) - set_bit(STATUS_RF_KILL_HW, &priv->status); + set_bit(STATUS_RF_KILL_HW, + &trans->shrd->status); else - clear_bit(STATUS_RF_KILL_HW, &priv->status); - wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill); + clear_bit(STATUS_RF_KILL_HW, + &trans->shrd->status); + iwl_set_hw_rfkill_state(priv(trans), hw_rf_kill); } handled |= CSR_INT_BIT_RF_KILL; @@ -592,28 +1005,29 @@ void iwl_irq_tasklet(struct iwl_priv *priv) /* Chip got too hot and stopped itself */ if (inta & CSR_INT_BIT_CT_KILL) { - IWL_ERR(priv, "Microcode CT kill error detected.\n"); - priv->isr_stats.ctkill++; + IWL_ERR(trans, "Microcode CT kill error detected.\n"); + isr_stats->ctkill++; handled |= CSR_INT_BIT_CT_KILL; } /* Error detected by uCode */ if (inta & CSR_INT_BIT_SW_ERR) { - IWL_ERR(priv, "Microcode SW error detected. " + IWL_ERR(trans, "Microcode SW error detected. " " Restarting 0x%X.\n", inta); - priv->isr_stats.sw++; - iwl_irq_handle_error(priv); + isr_stats->sw++; + iwl_irq_handle_error(trans); handled |= CSR_INT_BIT_SW_ERR; } /* uCode wakes up after power-down sleep */ if (inta & CSR_INT_BIT_WAKEUP) { - IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); - iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - for (i = 0; i < priv->hw_params.max_txq_num; i++) - iwl_txq_update_write_ptr(priv, &priv->txq[i]); + IWL_DEBUG_ISR(trans, "Wakeup interrupt\n"); + iwl_rx_queue_update_write_ptr(trans, &trans_pcie->rxq); + for (i = 0; i < hw_params(trans).max_txq_num; i++) + iwl_txq_update_write_ptr(trans, + &trans_pcie->txq[i]); - priv->isr_stats.wakeup++; + isr_stats->wakeup++; handled |= CSR_INT_BIT_WAKEUP; } @@ -623,15 +1037,16 @@ void iwl_irq_tasklet(struct iwl_priv *priv) * notifications from uCode come through here*/ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX | CSR_INT_BIT_RX_PERIODIC)) { - IWL_DEBUG_ISR(priv, "Rx interrupt\n"); + IWL_DEBUG_ISR(trans, "Rx interrupt\n"); if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); - iwl_write32(priv, CSR_FH_INT_STATUS, + iwl_write32(bus(trans), CSR_FH_INT_STATUS, CSR_FH_INT_RX_MASK); } if (inta & CSR_INT_BIT_RX_PERIODIC) { handled |= CSR_INT_BIT_RX_PERIODIC; - iwl_write32(priv, CSR_INT, CSR_INT_BIT_RX_PERIODIC); + iwl_write32(bus(trans), + CSR_INT, CSR_INT_BIT_RX_PERIODIC); } /* Sending RX interrupt require many steps to be done in the * the device: @@ -645,9 +1060,9 @@ void iwl_irq_tasklet(struct iwl_priv *priv) */ /* Disable periodic interrupt; we use it as just a one-shot. */ - iwl_write8(priv, CSR_INT_PERIODIC_REG, + iwl_write8(bus(trans), CSR_INT_PERIODIC_REG, CSR_INT_PERIODIC_DIS); - iwl_rx_handle(priv); + iwl_rx_handle(trans); /* * Enable periodic interrupt in 8 msec only if we received @@ -657,40 +1072,40 @@ void iwl_irq_tasklet(struct iwl_priv *priv) * to extend the periodic interrupt; one-shot is enough. */ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) - iwl_write8(priv, CSR_INT_PERIODIC_REG, + iwl_write8(bus(trans), CSR_INT_PERIODIC_REG, CSR_INT_PERIODIC_ENA); - priv->isr_stats.rx++; + isr_stats->rx++; } /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { - iwl_write32(priv, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); - IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); - priv->isr_stats.tx++; + iwl_write32(bus(trans), CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); + IWL_DEBUG_ISR(trans, "uCode load interrupt\n"); + isr_stats->tx++; handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ - priv->ucode_write_complete = 1; - wake_up_interruptible(&priv->wait_command_queue); + priv(trans)->ucode_write_complete = 1; + wake_up_interruptible(&trans->shrd->wait_command_queue); } if (inta & ~handled) { - IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled); - priv->isr_stats.unhandled++; + IWL_ERR(trans, "Unhandled INTA bits 0x%08x\n", inta & ~handled); + isr_stats->unhandled++; } - if (inta & ~(priv->inta_mask)) { - IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n", - inta & ~priv->inta_mask); + if (inta & ~(trans_pcie->inta_mask)) { + IWL_WARN(trans, "Disabled INTA bits 0x%08x were pending\n", + inta & ~trans_pcie->inta_mask); } /* Re-enable all interrupts */ /* only Re-enable if disabled by irq */ - if (test_bit(STATUS_INT_ENABLED, &priv->status)) - iwl_enable_interrupts(priv); + if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status)) + iwl_enable_interrupts(trans); /* Re-enable RF_KILL if it occurred */ else if (handled & CSR_INT_BIT_RF_KILL) - iwl_enable_rfkill_int(priv); + iwl_enable_rfkill_int(priv(trans)); } /****************************************************************************** @@ -701,18 +1116,21 @@ void iwl_irq_tasklet(struct iwl_priv *priv) #define ICT_COUNT (PAGE_SIZE/sizeof(u32)) /* Free dram table */ -void iwl_free_isr_ict(struct iwl_priv *priv) +void iwl_free_isr_ict(struct iwl_trans *trans) { - if (priv->ict_tbl_vir) { - dma_free_coherent(priv->bus->dev, + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + if (trans_pcie->ict_tbl_vir) { + dma_free_coherent(bus(trans)->dev, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE, - priv->ict_tbl_vir, - priv->ict_tbl_dma); - priv->ict_tbl_vir = NULL; - memset(&priv->ict_tbl_dma, 0, - sizeof(priv->ict_tbl_dma)); - memset(&priv->aligned_ict_tbl_dma, 0, - sizeof(priv->aligned_ict_tbl_dma)); + trans_pcie->ict_tbl_vir, + trans_pcie->ict_tbl_dma); + trans_pcie->ict_tbl_vir = NULL; + memset(&trans_pcie->ict_tbl_dma, 0, + sizeof(trans_pcie->ict_tbl_dma)); + memset(&trans_pcie->aligned_ict_tbl_dma, 0, + sizeof(trans_pcie->aligned_ict_tbl_dma)); } } @@ -720,157 +1138,168 @@ void iwl_free_isr_ict(struct iwl_priv *priv) /* allocate dram shared table it is a PAGE_SIZE aligned * also reset all data related to ICT table interrupt. */ -int iwl_alloc_isr_ict(struct iwl_priv *priv) +int iwl_alloc_isr_ict(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); /* allocate shrared data table */ - priv->ict_tbl_vir = - dma_alloc_coherent(priv->bus->dev, + trans_pcie->ict_tbl_vir = + dma_alloc_coherent(bus(trans)->dev, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE, - &priv->ict_tbl_dma, GFP_KERNEL); - if (!priv->ict_tbl_vir) + &trans_pcie->ict_tbl_dma, GFP_KERNEL); + if (!trans_pcie->ict_tbl_vir) return -ENOMEM; /* align table to PAGE_SIZE boundary */ - priv->aligned_ict_tbl_dma = - ALIGN(priv->ict_tbl_dma, PAGE_SIZE); + trans_pcie->aligned_ict_tbl_dma = + ALIGN(trans_pcie->ict_tbl_dma, PAGE_SIZE); - IWL_DEBUG_ISR(priv, "ict dma addr %Lx dma aligned %Lx diff %d\n", - (unsigned long long)priv->ict_tbl_dma, - (unsigned long long)priv->aligned_ict_tbl_dma, - (int)(priv->aligned_ict_tbl_dma - - priv->ict_tbl_dma)); + IWL_DEBUG_ISR(trans, "ict dma addr %Lx dma aligned %Lx diff %d\n", + (unsigned long long)trans_pcie->ict_tbl_dma, + (unsigned long long)trans_pcie->aligned_ict_tbl_dma, + (int)(trans_pcie->aligned_ict_tbl_dma - + trans_pcie->ict_tbl_dma)); - priv->ict_tbl = priv->ict_tbl_vir + - (priv->aligned_ict_tbl_dma - - priv->ict_tbl_dma); + trans_pcie->ict_tbl = trans_pcie->ict_tbl_vir + + (trans_pcie->aligned_ict_tbl_dma - + trans_pcie->ict_tbl_dma); - IWL_DEBUG_ISR(priv, "ict vir addr %p vir aligned %p diff %d\n", - priv->ict_tbl, priv->ict_tbl_vir, - (int)(priv->aligned_ict_tbl_dma - - priv->ict_tbl_dma)); + IWL_DEBUG_ISR(trans, "ict vir addr %p vir aligned %p diff %d\n", + trans_pcie->ict_tbl, trans_pcie->ict_tbl_vir, + (int)(trans_pcie->aligned_ict_tbl_dma - + trans_pcie->ict_tbl_dma)); /* reset table and index to all 0 */ - memset(priv->ict_tbl_vir, 0, + memset(trans_pcie->ict_tbl_vir, 0, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE); - priv->ict_index = 0; + trans_pcie->ict_index = 0; /* add periodic RX interrupt */ - priv->inta_mask |= CSR_INT_BIT_RX_PERIODIC; + trans_pcie->inta_mask |= CSR_INT_BIT_RX_PERIODIC; return 0; } /* Device is going up inform it about using ICT interrupt table, * also we need to tell the driver to start using ICT interrupt. */ -int iwl_reset_ict(struct iwl_priv *priv) +int iwl_reset_ict(struct iwl_trans *trans) { u32 val; unsigned long flags; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); - if (!priv->ict_tbl_vir) + if (!trans_pcie->ict_tbl_vir) return 0; - spin_lock_irqsave(&priv->lock, flags); - iwl_disable_interrupts(priv); + spin_lock_irqsave(&trans->shrd->lock, flags); + iwl_disable_interrupts(trans); - memset(&priv->ict_tbl[0], 0, sizeof(u32) * ICT_COUNT); + memset(&trans_pcie->ict_tbl[0], 0, sizeof(u32) * ICT_COUNT); - val = priv->aligned_ict_tbl_dma >> PAGE_SHIFT; + val = trans_pcie->aligned_ict_tbl_dma >> PAGE_SHIFT; val |= CSR_DRAM_INT_TBL_ENABLE; val |= CSR_DRAM_INIT_TBL_WRAP_CHECK; - IWL_DEBUG_ISR(priv, "CSR_DRAM_INT_TBL_REG =0x%X " + IWL_DEBUG_ISR(trans, "CSR_DRAM_INT_TBL_REG =0x%X " "aligned dma address %Lx\n", val, - (unsigned long long)priv->aligned_ict_tbl_dma); + (unsigned long long)trans_pcie->aligned_ict_tbl_dma); - iwl_write32(priv, CSR_DRAM_INT_TBL_REG, val); - priv->use_ict = true; - priv->ict_index = 0; - iwl_write32(priv, CSR_INT, priv->inta_mask); - iwl_enable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); + iwl_write32(bus(trans), CSR_DRAM_INT_TBL_REG, val); + trans_pcie->use_ict = true; + trans_pcie->ict_index = 0; + iwl_write32(bus(trans), CSR_INT, trans_pcie->inta_mask); + iwl_enable_interrupts(trans); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return 0; } /* Device is going down disable ict interrupt usage */ -void iwl_disable_ict(struct iwl_priv *priv) +void iwl_disable_ict(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + unsigned long flags; - spin_lock_irqsave(&priv->lock, flags); - priv->use_ict = false; - spin_unlock_irqrestore(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); + trans_pcie->use_ict = false; + spin_unlock_irqrestore(&trans->shrd->lock, flags); } static irqreturn_t iwl_isr(int irq, void *data) { - struct iwl_priv *priv = data; + struct iwl_trans *trans = data; + struct iwl_trans_pcie *trans_pcie; u32 inta, inta_mask; unsigned long flags; #ifdef CONFIG_IWLWIFI_DEBUG u32 inta_fh; #endif - if (!priv) + if (!trans) return IRQ_NONE; - spin_lock_irqsave(&priv->lock, flags); + trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + spin_lock_irqsave(&trans->shrd->lock, flags); /* Disable (but don't clear!) interrupts here to avoid * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */ + iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); /* Discover which interrupts are active/pending */ - inta = iwl_read32(priv, CSR_INT); + inta = iwl_read32(bus(trans), CSR_INT); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, * or due to sporadic interrupts thrown from our NIC. */ if (!inta) { - IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n"); + IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n"); goto none; } if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { /* Hardware disappeared. It might have already raised * an interrupt */ - IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta); + IWL_WARN(trans, "HARDWARE GONE?? INTA == 0x%08x\n", inta); goto unplugged; } #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) { - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); - IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, " + if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) { + inta_fh = iwl_read32(bus(trans), CSR_FH_INT_STATUS); + IWL_DEBUG_ISR(trans, "ISR inta 0x%08x, enabled 0x%08x, " "fh 0x%08x\n", inta, inta_mask, inta_fh); } #endif - priv->inta |= inta; + trans_pcie->inta |= inta; /* iwl_irq_tasklet() will service interrupts and re-enable them */ if (likely(inta)) - tasklet_schedule(&priv->irq_tasklet); - else if (test_bit(STATUS_INT_ENABLED, &priv->status) && - !priv->inta) - iwl_enable_interrupts(priv); + tasklet_schedule(&trans_pcie->irq_tasklet); + else if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + !trans_pcie->inta) + iwl_enable_interrupts(trans); unplugged: - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return IRQ_HANDLED; none: /* re-enable interrupts here since we don't have anything to service. */ /* only Re-enable if disabled by irq and no schedules tasklet. */ - if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) - iwl_enable_interrupts(priv); + if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + !trans_pcie->inta) + iwl_enable_interrupts(trans); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return IRQ_NONE; } @@ -884,50 +1313,53 @@ static irqreturn_t iwl_isr(int irq, void *data) */ irqreturn_t iwl_isr_ict(int irq, void *data) { - struct iwl_priv *priv = data; + struct iwl_trans *trans = data; + struct iwl_trans_pcie *trans_pcie; u32 inta, inta_mask; u32 val = 0; unsigned long flags; - if (!priv) + if (!trans) return IRQ_NONE; + trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + /* dram interrupt table not set yet, * use legacy interrupt. */ - if (!priv->use_ict) + if (!trans_pcie->use_ict) return iwl_isr(irq, data); - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); /* Disable (but don't clear!) interrupts here to avoid * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */ + iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, * or due to sporadic interrupts thrown from our NIC. */ - if (!priv->ict_tbl[priv->ict_index]) { - IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n"); + if (!trans_pcie->ict_tbl[trans_pcie->ict_index]) { + IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n"); goto none; } /* read all entries that not 0 start with ict_index */ - while (priv->ict_tbl[priv->ict_index]) { + while (trans_pcie->ict_tbl[trans_pcie->ict_index]) { - val |= le32_to_cpu(priv->ict_tbl[priv->ict_index]); - IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n", - priv->ict_index, + val |= le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]); + IWL_DEBUG_ISR(trans, "ICT index %d value 0x%08X\n", + trans_pcie->ict_index, le32_to_cpu( - priv->ict_tbl[priv->ict_index])); - priv->ict_tbl[priv->ict_index] = 0; - priv->ict_index = iwl_queue_inc_wrap(priv->ict_index, - ICT_COUNT); + trans_pcie->ict_tbl[trans_pcie->ict_index])); + trans_pcie->ict_tbl[trans_pcie->ict_index] = 0; + trans_pcie->ict_index = + iwl_queue_inc_wrap(trans_pcie->ict_index, ICT_COUNT); } @@ -946,34 +1378,35 @@ irqreturn_t iwl_isr_ict(int irq, void *data) val |= 0x8000; inta = (0xff & val) | ((0xff00 & val) << 16); - IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x ict 0x%08x\n", + IWL_DEBUG_ISR(trans, "ISR inta 0x%08x, enabled 0x%08x ict 0x%08x\n", inta, inta_mask, val); - inta &= priv->inta_mask; - priv->inta |= inta; + inta &= trans_pcie->inta_mask; + trans_pcie->inta |= inta; /* iwl_irq_tasklet() will service interrupts and re-enable them */ if (likely(inta)) - tasklet_schedule(&priv->irq_tasklet); - else if (test_bit(STATUS_INT_ENABLED, &priv->status) && - !priv->inta) { + tasklet_schedule(&trans_pcie->irq_tasklet); + else if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + !trans_pcie->inta) { /* Allow interrupt if was disabled by this handler and * no tasklet was schedules, We should not enable interrupt, * tasklet will enable it. */ - iwl_enable_interrupts(priv); + iwl_enable_interrupts(trans); } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return IRQ_HANDLED; none: /* re-enable interrupts here since we don't have anything to service. * only Re-enable if disabled by irq. */ - if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) - iwl_enable_interrupts(priv); + if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + !trans_pcie->inta) + iwl_enable_interrupts(trans); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return IRQ_NONE; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index a6b2b1db0b1d..ca686dbf5893 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -29,23 +29,30 @@ #include <linux/etherdevice.h> #include <linux/slab.h> #include <linux/sched.h> -#include <net/mac80211.h> -#include "iwl-agn.h" +/* TODO: remove include to iwl-dev.h */ #include "iwl-dev.h" -#include "iwl-core.h" +#include "iwl-debug.h" +#include "iwl-csr.h" +#include "iwl-prph.h" #include "iwl-io.h" +#include "iwl-agn-hw.h" #include "iwl-helpers.h" #include "iwl-trans-int-pcie.h" +#define IWL_TX_CRC_SIZE 4 +#define IWL_TX_DELIMITER_SIZE 4 + /** * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array */ -void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_priv *priv, +void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans, struct iwl_tx_queue *txq, u16 byte_cnt) { - struct iwlagn_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr; + struct iwlagn_scd_bc_tbl *scd_bc_tbl; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); int write_ptr = txq->q.write_ptr; int txq_id = txq->q.id; u8 sec_ctl = 0; @@ -53,6 +60,8 @@ void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_priv *priv, u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE; __le16 bc_ent; + scd_bc_tbl = trans_pcie->scd_bc_tbls.addr; + WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX); sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id; @@ -82,7 +91,7 @@ void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_priv *priv, /** * iwl_txq_update_write_ptr - Send new write index to hardware */ -void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) +void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq) { u32 reg = 0; int txq_id = txq->q.id; @@ -90,28 +99,28 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) if (txq->need_update == 0) return; - if (priv->cfg->base_params->shadow_reg_enable) { + if (hw_params(trans).shadow_reg_enable) { /* shadow register enabled */ - iwl_write32(priv, HBUS_TARG_WRPTR, + iwl_write32(bus(trans), HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); } else { /* if we're trying to save power */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { + if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) { /* wake up nic if it's powered down ... * uCode will wake up, and interrupt us again, so next * time we'll skip this part. */ - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); + reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO(priv, + IWL_DEBUG_INFO(trans, "Tx queue %d requesting wakeup," " GP1 = 0x%x\n", txq_id, reg); - iwl_set_bit(priv, CSR_GP_CNTRL, + iwl_set_bit(bus(trans), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); return; } - iwl_write_direct32(priv, HBUS_TARG_WRPTR, + iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); /* @@ -120,7 +129,7 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) * trying to tx (during RFKILL, we're not trying to tx). */ } else - iwl_write32(priv, HBUS_TARG_WRPTR, + iwl_write32(bus(trans), HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); } txq->need_update = 0; @@ -165,7 +174,7 @@ static inline u8 iwl_tfd_get_num_tbs(struct iwl_tfd *tfd) return tfd->num_tbs & 0x1f; } -static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta, +static void iwlagn_unmap_tfd(struct iwl_trans *trans, struct iwl_cmd_meta *meta, struct iwl_tfd *tfd, enum dma_data_direction dma_dir) { int i; @@ -175,56 +184,56 @@ static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta, num_tbs = iwl_tfd_get_num_tbs(tfd); if (num_tbs >= IWL_NUM_OF_TBS) { - IWL_ERR(priv, "Too many chunks: %i\n", num_tbs); + IWL_ERR(trans, "Too many chunks: %i\n", num_tbs); /* @todo issue fatal error, it is quite serious situation */ return; } /* Unmap tx_cmd */ if (num_tbs) - dma_unmap_single(priv->bus->dev, + dma_unmap_single(bus(trans)->dev, dma_unmap_addr(meta, mapping), dma_unmap_len(meta, len), DMA_BIDIRECTIONAL); /* Unmap chunks, if any. */ for (i = 1; i < num_tbs; i++) - dma_unmap_single(priv->bus->dev, iwl_tfd_tb_get_addr(tfd, i), + dma_unmap_single(bus(trans)->dev, iwl_tfd_tb_get_addr(tfd, i), iwl_tfd_tb_get_len(tfd, i), dma_dir); } /** * iwlagn_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr] - * @priv - driver private data + * @trans - transport private data * @txq - tx queue * @index - the index of the TFD to be freed * * Does NOT advance any TFD circular buffer read/write indexes * Does NOT free the TFD itself (which is within circular buffer) */ -void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq, +void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, int index) { struct iwl_tfd *tfd_tmp = txq->tfds; - iwlagn_unmap_tfd(priv, &txq->meta[index], &tfd_tmp[index], + iwlagn_unmap_tfd(trans, &txq->meta[index], &tfd_tmp[index], DMA_TO_DEVICE); /* free SKB */ - if (txq->txb) { + if (txq->skbs) { struct sk_buff *skb; - skb = txq->txb[index].skb; + skb = txq->skbs[index]; /* can be called from irqs-disabled context */ if (skb) { dev_kfree_skb_any(skb); - txq->txb[index].skb = NULL; + txq->skbs[index] = NULL; } } } -int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv, +int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, dma_addr_t addr, u16 len, u8 reset) @@ -244,7 +253,7 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv, /* Each TFD can point to a maximum 20 Tx buffers */ if (num_tbs >= IWL_NUM_OF_TBS) { - IWL_ERR(priv, "Error can not send more than %d chunks\n", + IWL_ERR(trans, "Error can not send more than %d chunks\n", IWL_NUM_OF_TBS); return -EINVAL; } @@ -253,7 +262,7 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv, return -EINVAL; if (unlikely(addr & ~IWL_TX_DMA_MASK)) - IWL_ERR(priv, "Unaligned address = %llx\n", + IWL_ERR(trans, "Unaligned address = %llx\n", (unsigned long long)addr); iwl_tfd_set_tb(tfd, num_tbs, addr, len); @@ -302,8 +311,7 @@ int iwl_queue_space(const struct iwl_queue *q) /** * iwl_queue_init - Initialize queue's high/low-water and read/write indexes */ -int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, - int count, int slots_num, u32 id) +int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id) { q->n_bd = count; q->n_window = slots_num; @@ -332,16 +340,12 @@ int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, return 0; } -/*TODO: this functions should NOT be exported from trans module - export it - * until the reclaim flow will be brought to the transport module too. - * Add a declaration to make sparse happy */ -void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, - struct iwl_tx_queue *txq); - -void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, +static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_trans *trans, struct iwl_tx_queue *txq) { - struct iwlagn_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwlagn_scd_bc_tbl *scd_bc_tbl = trans_pcie->scd_bc_tbls.addr; int txq_id = txq->q.id; int read_ptr = txq->q.read_ptr; u8 sta_id = 0; @@ -349,7 +353,7 @@ void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX); - if (txq_id != priv->cmd_queue) + if (txq_id != trans->shrd->cmd_queue) sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id; bc_ent = cpu_to_le16(1 | (sta_id << 12)); @@ -360,56 +364,61 @@ void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, tfd_offset[TFD_QUEUE_SIZE_MAX + read_ptr] = bc_ent; } -static int iwlagn_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid, +static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid, u16 txq_id) { u32 tbl_dw_addr; u32 tbl_dw; u16 scd_q2ratid; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + scd_q2ratid = ra_tid & SCD_QUEUE_RA_TID_MAP_RATID_MSK; - tbl_dw_addr = priv->scd_base_addr + + tbl_dw_addr = trans_pcie->scd_base_addr + SCD_TRANS_TBL_OFFSET_QUEUE(txq_id); - tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr); + tbl_dw = iwl_read_targ_mem(bus(trans), tbl_dw_addr); if (txq_id & 0x1) tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF); else tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000); - iwl_write_targ_mem(priv, tbl_dw_addr, tbl_dw); + iwl_write_targ_mem(bus(trans), tbl_dw_addr, tbl_dw); return 0; } -static void iwlagn_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id) +static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id) { /* Simply stop the queue, but don't change any configuration; * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */ - iwl_write_prph(priv, + iwl_write_prph(bus(trans), SCD_QUEUE_STATUS_BITS(txq_id), (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)| (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); } -void iwl_trans_set_wr_ptrs(struct iwl_priv *priv, +void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index) { - iwl_write_direct32(priv, HBUS_TARG_WRPTR, + iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, (index & 0xff) | (txq_id << 8)); - iwl_write_prph(priv, SCD_QUEUE_RDPTR(txq_id), index); + iwl_write_prph(bus(trans), SCD_QUEUE_RDPTR(txq_id), index); } -void iwl_trans_tx_queue_set_status(struct iwl_priv *priv, +void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, struct iwl_tx_queue *txq, int tx_fifo_id, int scd_retry) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int txq_id = txq->q.id; - int active = test_bit(txq_id, &priv->txq_ctx_active_msk) ? 1 : 0; + int active = + test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0; - iwl_write_prph(priv, SCD_QUEUE_STATUS_BITS(txq_id), + iwl_write_prph(bus(trans), SCD_QUEUE_STATUS_BITS(txq_id), (active << SCD_QUEUE_STTS_REG_POS_ACTIVE) | (tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) | (1 << SCD_QUEUE_STTS_REG_POS_WSL) | @@ -417,55 +426,75 @@ void iwl_trans_tx_queue_set_status(struct iwl_priv *priv, txq->sched_retry = scd_retry; - IWL_DEBUG_INFO(priv, "%s %s Queue %d on FIFO %d\n", + IWL_DEBUG_INFO(trans, "%s %s Queue %d on FIFO %d\n", active ? "Activate" : "Deactivate", scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id); } -void iwl_trans_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid, - int frame_limit) +static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie, + u8 ctx, u16 tid) +{ + const u8 *ac_to_fifo = trans_pcie->ac_to_fifo[ctx]; + if (likely(tid < ARRAY_SIZE(tid_to_ac))) + return ac_to_fifo[tid_to_ac[tid]]; + + /* no support for TIDs 8-15 yet */ + return -EINVAL; +} + +void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid, int frame_limit) { int tx_fifo, txq_id, ssn_idx; u16 ra_tid; unsigned long flags; struct iwl_tid_data *tid_data; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + if (WARN_ON(sta_id == IWL_INVALID_STATION)) return; - if (WARN_ON(tid >= MAX_TID_COUNT)) + if (WARN_ON(tid >= IWL_MAX_TID_COUNT)) return; - spin_lock_irqsave(&priv->sta_lock, flags); - tid_data = &priv->stations[sta_id].tid[tid]; + tx_fifo = get_fifo_from_tid(trans_pcie, ctx, tid); + if (WARN_ON(tx_fifo < 0)) { + IWL_ERR(trans, "txq_agg_setup, bad fifo: %d\n", tx_fifo); + return; + } + + spin_lock_irqsave(&trans->shrd->sta_lock, flags); + tid_data = &trans->shrd->tid_data[sta_id][tid]; ssn_idx = SEQ_TO_SN(tid_data->seq_number); txq_id = tid_data->agg.txq_id; - tx_fifo = tid_data->agg.tx_fifo; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); ra_tid = BUILD_RAxTID(sta_id, tid); - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); /* Stop this Tx queue before configuring it */ - iwlagn_tx_queue_stop_scheduler(priv, txq_id); + iwlagn_tx_queue_stop_scheduler(trans, txq_id); /* Map receiver-address / traffic-ID to this queue */ - iwlagn_tx_queue_set_q2ratid(priv, ra_tid, txq_id); + iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id); /* Set this queue as a chain-building queue */ - iwl_set_bits_prph(priv, SCD_QUEUECHAIN_SEL, (1<<txq_id)); + iwl_set_bits_prph(bus(trans), SCD_QUEUECHAIN_SEL, (1<<txq_id)); /* enable aggregations for the queue */ - iwl_set_bits_prph(priv, SCD_AGGR_SEL, (1<<txq_id)); + iwl_set_bits_prph(bus(trans), SCD_AGGR_SEL, (1<<txq_id)); /* Place first TFD at index corresponding to start sequence number. * Assumes that ssn_idx is valid (!= 0xFFF) */ - priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff); - priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff); - iwl_trans_set_wr_ptrs(priv, txq_id, ssn_idx); + trans_pcie->txq[txq_id].q.read_ptr = (ssn_idx & 0xff); + trans_pcie->txq[txq_id].q.write_ptr = (ssn_idx & 0xff); + iwl_trans_set_wr_ptrs(trans, txq_id, ssn_idx); /* Set up Tx window size and frame limit for this queue */ - iwl_write_targ_mem(priv, priv->scd_base_addr + + iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32), ((frame_limit << @@ -475,40 +504,158 @@ void iwl_trans_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid, SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) & SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK)); - iwl_set_bits_prph(priv, SCD_INTERRUPT_MASK, (1 << txq_id)); + iwl_set_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id)); /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */ - iwl_trans_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 1); + iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], + tx_fifo, 1); + + trans_pcie->txq[txq_id].sta_id = sta_id; + trans_pcie->txq[txq_id].tid = tid; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); } -int iwl_trans_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, - u16 ssn_idx, u8 tx_fifo) +/* + * Find first available (lowest unused) Tx Queue, mark it "active". + * Called only when finding queue for aggregation. + * Should never return anything < 7, because they should already + * be in use as EDCA AC (0-3), Command (4), reserved (5, 6) + */ +static int iwlagn_txq_ctx_activate_free(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int txq_id; + + for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) + if (!test_and_set_bit(txq_id, + &trans_pcie->txq_ctx_active_msk)) + return txq_id; + return -1; +} + +int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid, u16 *ssn) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tid_data *tid_data; + unsigned long flags; + int txq_id; + + txq_id = iwlagn_txq_ctx_activate_free(trans); + if (txq_id == -1) { + IWL_ERR(trans, "No free aggregation queue available\n"); + return -ENXIO; + } + + spin_lock_irqsave(&trans->shrd->sta_lock, flags); + tid_data = &trans->shrd->tid_data[sta_id][tid]; + *ssn = SEQ_TO_SN(tid_data->seq_number); + tid_data->agg.txq_id = txq_id; + iwl_set_swq_id(&trans_pcie->txq[txq_id], get_ac_from_tid(tid), txq_id); + + tid_data = &trans->shrd->tid_data[sta_id][tid]; + if (tid_data->tfds_in_queue == 0) { + IWL_DEBUG_HT(trans, "HW queue is empty\n"); + tid_data->agg.state = IWL_AGG_ON; + iwl_start_tx_ba_trans_ready(priv(trans), ctx, sta_id, tid); + } else { + IWL_DEBUG_HT(trans, "HW queue is NOT empty: %d packets in HW" + "queue\n", tid_data->tfds_in_queue); + tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; + } + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); + + return 0; +} + +void iwl_trans_pcie_txq_agg_disable(struct iwl_trans *trans, int txq_id) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + iwlagn_tx_queue_stop_scheduler(trans, txq_id); + + iwl_clear_bits_prph(bus(trans), SCD_AGGR_SEL, (1 << txq_id)); + + trans_pcie->txq[txq_id].q.read_ptr = 0; + trans_pcie->txq[txq_id].q.write_ptr = 0; + /* supposes that ssn_idx is valid (!= 0xFFF) */ + iwl_trans_set_wr_ptrs(trans, txq_id, 0); + + iwl_clear_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id)); + iwl_txq_ctx_deactivate(trans_pcie, txq_id); + iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0); +} + +int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + unsigned long flags; + int read_ptr, write_ptr; + struct iwl_tid_data *tid_data; + int txq_id; + + spin_lock_irqsave(&trans->shrd->sta_lock, flags); + + tid_data = &trans->shrd->tid_data[sta_id][tid]; + txq_id = tid_data->agg.txq_id; + if ((IWLAGN_FIRST_AMPDU_QUEUE > txq_id) || (IWLAGN_FIRST_AMPDU_QUEUE + - priv->cfg->base_params->num_of_ampdu_queues <= txq_id)) { - IWL_ERR(priv, + hw_params(trans).num_ampdu_queues <= txq_id)) { + IWL_ERR(trans, "queue number out of range: %d, must be %d to %d\n", txq_id, IWLAGN_FIRST_AMPDU_QUEUE, IWLAGN_FIRST_AMPDU_QUEUE + - priv->cfg->base_params->num_of_ampdu_queues - 1); + hw_params(trans).num_ampdu_queues - 1); + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); return -EINVAL; } - iwlagn_tx_queue_stop_scheduler(priv, txq_id); + switch (trans->shrd->tid_data[sta_id][tid].agg.state) { + case IWL_EMPTYING_HW_QUEUE_ADDBA: + /* + * This can happen if the peer stops aggregation + * again before we've had a chance to drain the + * queue we selected previously, i.e. before the + * session was really started completely. + */ + IWL_DEBUG_HT(trans, "AGG stop before setup done\n"); + goto turn_off; + case IWL_AGG_ON: + break; + default: + IWL_WARN(trans, "Stopping AGG while state not ON" + "or starting\n"); + } - iwl_clear_bits_prph(priv, SCD_AGGR_SEL, (1 << txq_id)); + write_ptr = trans_pcie->txq[txq_id].q.write_ptr; + read_ptr = trans_pcie->txq[txq_id].q.read_ptr; - priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff); - priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff); - /* supposes that ssn_idx is valid (!= 0xFFF) */ - iwl_trans_set_wr_ptrs(priv, txq_id, ssn_idx); + /* The queue is not empty */ + if (write_ptr != read_ptr) { + IWL_DEBUG_HT(trans, "Stopping a non empty AGG HW QUEUE\n"); + trans->shrd->tid_data[sta_id][tid].agg.state = + IWL_EMPTYING_HW_QUEUE_DELBA; + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); + return 0; + } + + IWL_DEBUG_HT(trans, "HW queue is empty\n"); +turn_off: + trans->shrd->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF; + + /* do not restore/save irqs */ + spin_unlock(&trans->shrd->sta_lock); + spin_lock(&trans->shrd->lock); + + iwl_trans_pcie_txq_agg_disable(trans, txq_id); + + spin_unlock_irqrestore(&trans->shrd->lock, flags); - iwl_clear_bits_prph(priv, SCD_INTERRUPT_MASK, (1 << txq_id)); - iwl_txq_ctx_deactivate(priv, txq_id); - iwl_trans_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0); + iwl_stop_tx_ba_trans_ready(priv(trans), ctx, sta_id, tid); return 0; } @@ -524,9 +671,10 @@ int iwl_trans_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, * failed. On success, it turns the index (> 0) of command in the * command queue. */ -static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { - struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue]; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; struct iwl_queue *q = &txq->q; struct iwl_device_cmd *out_cmd; struct iwl_cmd_meta *out_meta; @@ -544,14 +692,14 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) int trace_idx; #endif - if (test_bit(STATUS_FW_ERROR, &priv->status)) { - IWL_WARN(priv, "fw recovery, no hcmd send\n"); + if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { + IWL_WARN(trans, "fw recovery, no hcmd send\n"); return -EIO; } - if ((priv->ucode_owner == IWL_OWNERSHIP_TM) && + if ((trans->shrd->ucode_owner == IWL_OWNERSHIP_TM) && !(cmd->flags & CMD_ON_DEMAND)) { - IWL_DEBUG_HC(priv, "tm own the uCode, no regular hcmd send\n"); + IWL_DEBUG_HC(trans, "tm own the uCode, no regular hcmd send\n"); return -EIO; } @@ -584,22 +732,22 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) if (WARN_ON(copy_size > TFD_MAX_PAYLOAD_SIZE)) return -EINVAL; - if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) { - IWL_WARN(priv, "Not sending command - %s KILL\n", - iwl_is_rfkill(priv) ? "RF" : "CT"); + if (iwl_is_rfkill(trans->shrd) || iwl_is_ctkill(trans->shrd)) { + IWL_WARN(trans, "Not sending command - %s KILL\n", + iwl_is_rfkill(trans->shrd) ? "RF" : "CT"); return -EIO; } - spin_lock_irqsave(&priv->hcmd_lock, flags); + spin_lock_irqsave(&trans->hcmd_lock, flags); if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { - spin_unlock_irqrestore(&priv->hcmd_lock, flags); + spin_unlock_irqrestore(&trans->hcmd_lock, flags); - IWL_ERR(priv, "No space in command queue\n"); - is_ct_kill = iwl_check_for_ct_kill(priv); + IWL_ERR(trans, "No space in command queue\n"); + is_ct_kill = iwl_check_for_ct_kill(priv(trans)); if (!is_ct_kill) { - IWL_ERR(priv, "Restarting adapter due to queue full\n"); - iwlagn_fw_error(priv, false); + IWL_ERR(trans, "Restarting adapter queue is full\n"); + iwlagn_fw_error(priv(trans), false); } return -ENOSPC; } @@ -618,8 +766,9 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) out_cmd->hdr.cmd = cmd->id; out_cmd->hdr.flags = 0; - out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(priv->cmd_queue) | - INDEX_TO_SEQ(q->write_ptr)); + out_cmd->hdr.sequence = + cpu_to_le16(QUEUE_TO_SEQ(trans->shrd->cmd_queue) | + INDEX_TO_SEQ(q->write_ptr)); /* and copy the data that needs to be copied */ @@ -633,16 +782,16 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) cmd_dest += cmd->len[i]; } - IWL_DEBUG_HC(priv, "Sending command %s (#%x), seq: 0x%04X, " + IWL_DEBUG_HC(trans, "Sending command %s (#%x), seq: 0x%04X, " "%d bytes at %d[%d]:%d\n", get_cmd_string(out_cmd->hdr.cmd), out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), cmd_size, - q->write_ptr, idx, priv->cmd_queue); + q->write_ptr, idx, trans->shrd->cmd_queue); - phys_addr = dma_map_single(priv->bus->dev, &out_cmd->hdr, copy_size, + phys_addr = dma_map_single(bus(trans)->dev, &out_cmd->hdr, copy_size, DMA_BIDIRECTIONAL); - if (unlikely(dma_mapping_error(priv->bus->dev, phys_addr))) { + if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) { idx = -ENOMEM; goto out; } @@ -650,7 +799,8 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) dma_unmap_addr_set(out_meta, mapping, phys_addr); dma_unmap_len_set(out_meta, len, copy_size); - iwlagn_txq_attach_buf_to_tfd(priv, txq, phys_addr, copy_size, 1); + iwlagn_txq_attach_buf_to_tfd(trans, txq, + phys_addr, copy_size, 1); #ifdef CONFIG_IWLWIFI_DEVICE_TRACING trace_bufs[0] = &out_cmd->hdr; trace_lens[0] = copy_size; @@ -662,17 +812,18 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) continue; if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)) continue; - phys_addr = dma_map_single(priv->bus->dev, (void *)cmd->data[i], + phys_addr = dma_map_single(bus(trans)->dev, + (void *)cmd->data[i], cmd->len[i], DMA_BIDIRECTIONAL); - if (dma_mapping_error(priv->bus->dev, phys_addr)) { - iwlagn_unmap_tfd(priv, out_meta, + if (dma_mapping_error(bus(trans)->dev, phys_addr)) { + iwlagn_unmap_tfd(trans, out_meta, &txq->tfds[q->write_ptr], DMA_BIDIRECTIONAL); idx = -ENOMEM; goto out; } - iwlagn_txq_attach_buf_to_tfd(priv, txq, phys_addr, + iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr, cmd->len[i], 0); #ifdef CONFIG_IWLWIFI_DEVICE_TRACING trace_bufs[trace_idx] = cmd->data[i]; @@ -688,7 +839,7 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) /* check that tracing gets all possible blocks */ BUILD_BUG_ON(IWL_MAX_CMD_TFDS + 1 != 3); #ifdef CONFIG_IWLWIFI_DEVICE_TRACING - trace_iwlwifi_dev_hcmd(priv, cmd->flags, + trace_iwlwifi_dev_hcmd(priv(trans), cmd->flags, trace_bufs[0], trace_lens[0], trace_bufs[1], trace_lens[1], trace_bufs[2], trace_lens[2]); @@ -696,10 +847,10 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) /* Increment and update queue's write index */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); - iwl_txq_update_write_ptr(priv, txq); + iwl_txq_update_write_ptr(trans, txq); out: - spin_unlock_irqrestore(&priv->hcmd_lock, flags); + spin_unlock_irqrestore(&trans->hcmd_lock, flags); return idx; } @@ -710,14 +861,16 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) * need to be reclaimed. As result, some free space forms. If there is * enough free space (> low mark), wake the stack that feeds us. */ -static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) +static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id, + int idx) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; int nfreed = 0; if ((idx >= q->n_bd) || (iwl_queue_used(q, idx) == 0)) { - IWL_ERR(priv, "%s: Read index for DMA queue txq id (%d), " + IWL_ERR(trans, "%s: Read index for DMA queue txq id (%d), " "index %d is out of range [0-%d] %d %d.\n", __func__, txq_id, idx, q->n_bd, q->write_ptr, q->read_ptr); return; @@ -727,9 +880,9 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { if (nfreed++ > 0) { - IWL_ERR(priv, "HCMD skipped: index (%d) %d %d\n", idx, + IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n", idx, q->write_ptr, q->read_ptr); - iwlagn_fw_error(priv, false); + iwlagn_fw_error(priv(trans), false); } } @@ -743,7 +896,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ -void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) +void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); @@ -752,18 +905,19 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) int cmd_index; struct iwl_device_cmd *cmd; struct iwl_cmd_meta *meta; - struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue]; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; unsigned long flags; /* If a Tx command is being handled and it isn't in the actual * command queue then there a command routing bug has been introduced * in the queue management code. */ - if (WARN(txq_id != priv->cmd_queue, + if (WARN(txq_id != trans->shrd->cmd_queue, "wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n", - txq_id, priv->cmd_queue, sequence, - priv->txq[priv->cmd_queue].q.read_ptr, - priv->txq[priv->cmd_queue].q.write_ptr)) { - iwl_print_hex_error(priv, pkt, 32); + txq_id, trans->shrd->cmd_queue, sequence, + trans_pcie->txq[trans->shrd->cmd_queue].q.read_ptr, + trans_pcie->txq[trans->shrd->cmd_queue].q.write_ptr)) { + iwl_print_hex_error(trans, pkt, 32); return; } @@ -771,121 +925,40 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; - iwlagn_unmap_tfd(priv, meta, &txq->tfds[index], DMA_BIDIRECTIONAL); + iwlagn_unmap_tfd(trans, meta, &txq->tfds[index], + DMA_BIDIRECTIONAL); /* Input error checking is done when commands are added to queue. */ if (meta->flags & CMD_WANT_SKB) { meta->source->reply_page = (unsigned long)rxb_addr(rxb); rxb->page = NULL; } else if (meta->callback) - meta->callback(priv, cmd, pkt); + meta->callback(trans->shrd, cmd, pkt); - spin_lock_irqsave(&priv->hcmd_lock, flags); + spin_lock_irqsave(&trans->hcmd_lock, flags); - iwl_hcmd_queue_reclaim(priv, txq_id, index); + iwl_hcmd_queue_reclaim(trans, txq_id, index); if (!(meta->flags & CMD_ASYNC)) { - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s\n", + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->hdr.cmd)); - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&trans->shrd->wait_command_queue); } meta->flags = 0; - spin_unlock_irqrestore(&priv->hcmd_lock, flags); -} - -const char *get_cmd_string(u8 cmd) -{ - switch (cmd) { - IWL_CMD(REPLY_ALIVE); - IWL_CMD(REPLY_ERROR); - IWL_CMD(REPLY_RXON); - IWL_CMD(REPLY_RXON_ASSOC); - IWL_CMD(REPLY_QOS_PARAM); - IWL_CMD(REPLY_RXON_TIMING); - IWL_CMD(REPLY_ADD_STA); - IWL_CMD(REPLY_REMOVE_STA); - IWL_CMD(REPLY_REMOVE_ALL_STA); - IWL_CMD(REPLY_TXFIFO_FLUSH); - IWL_CMD(REPLY_WEPKEY); - IWL_CMD(REPLY_TX); - IWL_CMD(REPLY_LEDS_CMD); - IWL_CMD(REPLY_TX_LINK_QUALITY_CMD); - IWL_CMD(COEX_PRIORITY_TABLE_CMD); - IWL_CMD(COEX_MEDIUM_NOTIFICATION); - IWL_CMD(COEX_EVENT_CMD); - IWL_CMD(REPLY_QUIET_CMD); - IWL_CMD(REPLY_CHANNEL_SWITCH); - IWL_CMD(CHANNEL_SWITCH_NOTIFICATION); - IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD); - IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION); - IWL_CMD(POWER_TABLE_CMD); - IWL_CMD(PM_SLEEP_NOTIFICATION); - IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC); - IWL_CMD(REPLY_SCAN_CMD); - IWL_CMD(REPLY_SCAN_ABORT_CMD); - IWL_CMD(SCAN_START_NOTIFICATION); - IWL_CMD(SCAN_RESULTS_NOTIFICATION); - IWL_CMD(SCAN_COMPLETE_NOTIFICATION); - IWL_CMD(BEACON_NOTIFICATION); - IWL_CMD(REPLY_TX_BEACON); - IWL_CMD(WHO_IS_AWAKE_NOTIFICATION); - IWL_CMD(QUIET_NOTIFICATION); - IWL_CMD(REPLY_TX_PWR_TABLE_CMD); - IWL_CMD(MEASURE_ABORT_NOTIFICATION); - IWL_CMD(REPLY_BT_CONFIG); - IWL_CMD(REPLY_STATISTICS_CMD); - IWL_CMD(STATISTICS_NOTIFICATION); - IWL_CMD(REPLY_CARD_STATE_CMD); - IWL_CMD(CARD_STATE_NOTIFICATION); - IWL_CMD(MISSED_BEACONS_NOTIFICATION); - IWL_CMD(REPLY_CT_KILL_CONFIG_CMD); - IWL_CMD(SENSITIVITY_CMD); - IWL_CMD(REPLY_PHY_CALIBRATION_CMD); - IWL_CMD(REPLY_RX_PHY_CMD); - IWL_CMD(REPLY_RX_MPDU_CMD); - IWL_CMD(REPLY_RX); - IWL_CMD(REPLY_COMPRESSED_BA); - IWL_CMD(CALIBRATION_CFG_CMD); - IWL_CMD(CALIBRATION_RES_NOTIFICATION); - IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION); - IWL_CMD(REPLY_TX_POWER_DBM_CMD); - IWL_CMD(TEMPERATURE_NOTIFICATION); - IWL_CMD(TX_ANT_CONFIGURATION_CMD); - IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF); - IWL_CMD(REPLY_BT_COEX_PRIO_TABLE); - IWL_CMD(REPLY_BT_COEX_PROT_ENV); - IWL_CMD(REPLY_WIPAN_PARAMS); - IWL_CMD(REPLY_WIPAN_RXON); - IWL_CMD(REPLY_WIPAN_RXON_TIMING); - IWL_CMD(REPLY_WIPAN_RXON_ASSOC); - IWL_CMD(REPLY_WIPAN_QOS_PARAM); - IWL_CMD(REPLY_WIPAN_WEPKEY); - IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH); - IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION); - IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE); - IWL_CMD(REPLY_WOWLAN_PATTERNS); - IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER); - IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS); - IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS); - IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL); - IWL_CMD(REPLY_WOWLAN_GET_STATUS); - default: - return "UNKNOWN"; - - } + spin_unlock_irqrestore(&trans->hcmd_lock, flags); } #define HOST_COMPLETE_TIMEOUT (2 * HZ) -static void iwl_generic_cmd_callback(struct iwl_priv *priv, +static void iwl_generic_cmd_callback(struct iwl_shared *shrd, struct iwl_device_cmd *cmd, struct iwl_rx_packet *pkt) { if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from %s (0x%08X)\n", + IWL_ERR(shrd->trans, "Bad return from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); return; } @@ -894,17 +967,17 @@ static void iwl_generic_cmd_callback(struct iwl_priv *priv, switch (cmd->hdr.cmd) { case REPLY_TX_LINK_QUALITY_CMD: case SENSITIVITY_CMD: - IWL_DEBUG_HC_DUMP(priv, "back from %s (0x%08X)\n", + IWL_DEBUG_HC_DUMP(shrd->trans, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); break; default: - IWL_DEBUG_HC(priv, "back from %s (0x%08X)\n", + IWL_DEBUG_HC(shrd->trans, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); } #endif } -static int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl_send_cmd_async(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { int ret; @@ -916,77 +989,78 @@ static int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) if (!cmd->callback) cmd->callback = iwl_generic_cmd_callback; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) return -EBUSY; - ret = iwl_enqueue_hcmd(priv, cmd); + ret = iwl_enqueue_hcmd(trans, cmd); if (ret < 0) { - IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n", + IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } return 0; } -static int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int cmd_idx; int ret; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&trans->shrd->mutex); /* A synchronous command can not have a callback set. */ if (WARN_ON(cmd->callback)) return -EINVAL; - IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n", + IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n", get_cmd_string(cmd->id)); - set_bit(STATUS_HCMD_ACTIVE, &priv->status); - IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n", + set_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->id)); - cmd_idx = iwl_enqueue_hcmd(priv, cmd); + cmd_idx = iwl_enqueue_hcmd(trans, cmd); if (cmd_idx < 0) { ret = cmd_idx; - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n", + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } - ret = wait_event_interruptible_timeout(priv->wait_command_queue, - !test_bit(STATUS_HCMD_ACTIVE, &priv->status), + ret = wait_event_interruptible_timeout(trans->shrd->wait_command_queue, + !test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status), HOST_COMPLETE_TIMEOUT); if (!ret) { - if (test_bit(STATUS_HCMD_ACTIVE, &priv->status)) { - IWL_ERR(priv, + if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { + IWL_ERR(trans, "Error sending %s: time out after %dms.\n", get_cmd_string(cmd->id), jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command" + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command" "%s\n", get_cmd_string(cmd->id)); ret = -ETIMEDOUT; goto cancel; } } - if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { - IWL_ERR(priv, "Command %s aborted: RF KILL Switch\n", + if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", get_cmd_string(cmd->id)); ret = -ECANCELED; goto fail; } - if (test_bit(STATUS_FW_ERROR, &priv->status)) { - IWL_ERR(priv, "Command %s failed: FW Error\n", + if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s failed: FW Error\n", get_cmd_string(cmd->id)); ret = -EIO; goto fail; } if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) { - IWL_ERR(priv, "Error: Response NULL in '%s'\n", + IWL_ERR(trans, "Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); ret = -EIO; goto cancel; @@ -1002,28 +1076,28 @@ cancel: * in later, it will possibly set an invalid * address (cmd->meta.source). */ - priv->txq[priv->cmd_queue].meta[cmd_idx].flags &= + trans_pcie->txq[trans->shrd->cmd_queue].meta[cmd_idx].flags &= ~CMD_WANT_SKB; } fail: if (cmd->reply_page) { - iwl_free_pages(priv, cmd->reply_page); + iwl_free_pages(trans->shrd, cmd->reply_page); cmd->reply_page = 0; } return ret; } -int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { if (cmd->flags & CMD_ASYNC) - return iwl_send_cmd_async(priv, cmd); + return iwl_send_cmd_async(trans, cmd); - return iwl_send_cmd_sync(priv, cmd); + return iwl_send_cmd_sync(trans, cmd); } -int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u32 flags, u16 len, - const void *data) +int iwl_trans_pcie_send_cmd_pdu(struct iwl_trans *trans, u8 id, u32 flags, + u16 len, const void *data) { struct iwl_host_cmd cmd = { .id = id, @@ -1032,5 +1106,53 @@ int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u32 flags, u16 len, .flags = flags, }; - return iwl_send_cmd(priv, &cmd); + return iwl_trans_pcie_send_cmd(trans, &cmd); +} + +/* Frees buffers until index _not_ inclusive */ +int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index, + struct sk_buff_head *skbs) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; + struct iwl_queue *q = &txq->q; + int last_to_free; + int freed = 0; + + /*Since we free until index _not_ inclusive, the one before index is + * the last we will free. This one must be used */ + last_to_free = iwl_queue_dec_wrap(index, q->n_bd); + + if ((index >= q->n_bd) || + (iwl_queue_used(q, last_to_free) == 0)) { + IWL_ERR(trans, "%s: Read index for DMA queue txq id (%d), " + "last_to_free %d is out of range [0-%d] %d %d.\n", + __func__, txq_id, last_to_free, q->n_bd, + q->write_ptr, q->read_ptr); + return 0; + } + + IWL_DEBUG_TX_REPLY(trans, "reclaim: [%d, %d, %d]\n", txq_id, + q->read_ptr, index); + + if (WARN_ON(!skb_queue_empty(skbs))) + return 0; + + for (; + q->read_ptr != index; + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { + + if (WARN_ON_ONCE(txq->skbs[txq->q.read_ptr] == NULL)) + continue; + + __skb_queue_tail(skbs, txq->skbs[txq->q.read_ptr]); + + txq->skbs[txq->q.read_ptr] = NULL; + + iwlagn_txq_inval_byte_cnt_tbl(trans, txq); + + iwlagn_txq_free_tfd(trans, txq, txq->q.read_ptr); + freed++; + } + return freed; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index 41f0de914008..b2e89077c684 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -60,21 +60,27 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ -#include "iwl-dev.h" +#include <linux/interrupt.h> +#include <linux/debugfs.h> +#include <linux/bitops.h> +#include <linux/gfp.h> + #include "iwl-trans.h" -#include "iwl-core.h" -#include "iwl-helpers.h" #include "iwl-trans-int-pcie.h" -/*TODO remove uneeded includes when the transport layer tx_free will be here */ -#include "iwl-agn.h" -#include "iwl-core.h" +#include "iwl-csr.h" +#include "iwl-prph.h" +#include "iwl-shared.h" +#include "iwl-eeprom.h" +#include "iwl-agn-hw.h" -static int iwl_trans_rx_alloc(struct iwl_priv *priv) +static int iwl_trans_rx_alloc(struct iwl_trans *trans) { - struct iwl_rx_queue *rxq = &priv->rxq; - struct device *dev = priv->bus->dev; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; + struct device *dev = bus(trans)->dev; - memset(&priv->rxq, 0, sizeof(priv->rxq)); + memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); spin_lock_init(&rxq->lock); INIT_LIST_HEAD(&rxq->rx_free); @@ -108,9 +114,11 @@ err_bd: return -ENOMEM; } -static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv) +static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; int i; /* Fill the rx_used queue with _all_ of the Rx buffers */ @@ -118,17 +126,18 @@ static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv) /* In the reset function, these buffers may have been allocated * to an SKB, so we need to unmap and free potential storage */ if (rxq->pool[i].page != NULL) { - dma_unmap_page(priv->bus->dev, rxq->pool[i].page_dma, - PAGE_SIZE << priv->hw_params.rx_page_order, + dma_unmap_page(bus(trans)->dev, rxq->pool[i].page_dma, + PAGE_SIZE << hw_params(trans).rx_page_order, DMA_FROM_DEVICE); - __iwl_free_pages(priv, rxq->pool[i].page); + __free_pages(rxq->pool[i].page, + hw_params(trans).rx_page_order); rxq->pool[i].page = NULL; } list_add_tail(&rxq->pool[i].list, &rxq->rx_used); } } -static void iwl_trans_rx_hw_init(struct iwl_priv *priv, +static void iwl_trans_rx_hw_init(struct iwl_trans *trans, struct iwl_rx_queue *rxq) { u32 rb_size; @@ -143,17 +152,17 @@ static void iwl_trans_rx_hw_init(struct iwl_priv *priv, rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K; /* Stop Rx DMA */ - iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); /* Reset driver's Rx queue write index */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); + iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); /* Tell device where to find RBD circular buffer in DRAM */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG, + iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_RBDCB_BASE_REG, (u32)(rxq->bd_dma >> 8)); /* Tell device where in DRAM to update its Rx status */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG, + iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_STTS_WPTR_REG, rxq->rb_stts_dma >> 4); /* Enable Rx DMA @@ -164,7 +173,7 @@ static void iwl_trans_rx_hw_init(struct iwl_priv *priv, * RB timeout 0x10 * 256 RBDs */ - iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, + iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL | FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY | FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL | @@ -174,17 +183,20 @@ static void iwl_trans_rx_hw_init(struct iwl_priv *priv, (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS)); /* Set interrupt coalescing timer to default (2048 usecs) */ - iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + iwl_write8(bus(trans), CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); } -static int iwl_rx_init(struct iwl_priv *priv) +static int iwl_rx_init(struct iwl_trans *trans) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; + int i, err; unsigned long flags; if (!rxq->bd) { - err = iwl_trans_rx_alloc(priv); + err = iwl_trans_rx_alloc(trans); if (err) return err; } @@ -193,7 +205,7 @@ static int iwl_rx_init(struct iwl_priv *priv) INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); - iwl_trans_rxq_free_rx_bufs(priv); + iwl_trans_rxq_free_rx_bufs(trans); for (i = 0; i < RX_QUEUE_SIZE; i++) rxq->queue[i] = NULL; @@ -205,65 +217,68 @@ static int iwl_rx_init(struct iwl_priv *priv) rxq->free_count = 0; spin_unlock_irqrestore(&rxq->lock, flags); - iwlagn_rx_replenish(priv); + iwlagn_rx_replenish(trans); - iwl_trans_rx_hw_init(priv, rxq); + iwl_trans_rx_hw_init(trans, rxq); - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); rxq->need_update = 1; - iwl_rx_queue_update_write_ptr(priv, rxq); - spin_unlock_irqrestore(&priv->lock, flags); + iwl_rx_queue_update_write_ptr(trans, rxq); + spin_unlock_irqrestore(&trans->shrd->lock, flags); return 0; } -static void iwl_trans_rx_free(struct iwl_priv *priv) +static void iwl_trans_pcie_rx_free(struct iwl_trans *trans) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; + unsigned long flags; /*if rxq->bd is NULL, it means that nothing has been allocated, * exit now */ if (!rxq->bd) { - IWL_DEBUG_INFO(priv, "Free NULL rx context\n"); + IWL_DEBUG_INFO(trans, "Free NULL rx context\n"); return; } spin_lock_irqsave(&rxq->lock, flags); - iwl_trans_rxq_free_rx_bufs(priv); + iwl_trans_rxq_free_rx_bufs(trans); spin_unlock_irqrestore(&rxq->lock, flags); - dma_free_coherent(priv->bus->dev, sizeof(__le32) * RX_QUEUE_SIZE, + dma_free_coherent(bus(trans)->dev, sizeof(__le32) * RX_QUEUE_SIZE, rxq->bd, rxq->bd_dma); memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma)); rxq->bd = NULL; if (rxq->rb_stts) - dma_free_coherent(priv->bus->dev, + dma_free_coherent(bus(trans)->dev, sizeof(struct iwl_rb_status), rxq->rb_stts, rxq->rb_stts_dma); else - IWL_DEBUG_INFO(priv, "Free rxq->rb_stts which is NULL\n"); + IWL_DEBUG_INFO(trans, "Free rxq->rb_stts which is NULL\n"); memset(&rxq->rb_stts_dma, 0, sizeof(rxq->rb_stts_dma)); rxq->rb_stts = NULL; } -static int iwl_trans_rx_stop(struct iwl_priv *priv) +static int iwl_trans_rx_stop(struct iwl_trans *trans) { /* stop Rx DMA */ - iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); - return iwl_poll_direct_bit(priv, FH_MEM_RSSR_RX_STATUS_REG, + iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + return iwl_poll_direct_bit(bus(trans), FH_MEM_RSSR_RX_STATUS_REG, FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); } -static inline int iwlagn_alloc_dma_ptr(struct iwl_priv *priv, +static inline int iwlagn_alloc_dma_ptr(struct iwl_trans *trans, struct iwl_dma_ptr *ptr, size_t size) { if (WARN_ON(ptr->addr)) return -EINVAL; - ptr->addr = dma_alloc_coherent(priv->bus->dev, size, + ptr->addr = dma_alloc_coherent(bus(trans)->dev, size, &ptr->dma, GFP_KERNEL); if (!ptr->addr) return -ENOMEM; @@ -271,23 +286,24 @@ static inline int iwlagn_alloc_dma_ptr(struct iwl_priv *priv, return 0; } -static inline void iwlagn_free_dma_ptr(struct iwl_priv *priv, +static inline void iwlagn_free_dma_ptr(struct iwl_trans *trans, struct iwl_dma_ptr *ptr) { if (unlikely(!ptr->addr)) return; - dma_free_coherent(priv->bus->dev, ptr->size, ptr->addr, ptr->dma); + dma_free_coherent(bus(trans)->dev, ptr->size, ptr->addr, ptr->dma); memset(ptr, 0, sizeof(*ptr)); } -static int iwl_trans_txq_alloc(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int slots_num, u32 txq_id) +static int iwl_trans_txq_alloc(struct iwl_trans *trans, + struct iwl_tx_queue *txq, int slots_num, + u32 txq_id) { - size_t tfd_sz = priv->hw_params.tfd_size * TFD_QUEUE_SIZE_MAX; + size_t tfd_sz = sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX; int i; - if (WARN_ON(txq->meta || txq->cmd || txq->txb || txq->tfds)) + if (WARN_ON(txq->meta || txq->cmd || txq->skbs || txq->tfds)) return -EINVAL; txq->q.n_window = slots_num; @@ -300,45 +316,46 @@ static int iwl_trans_txq_alloc(struct iwl_priv *priv, struct iwl_tx_queue *txq, if (!txq->meta || !txq->cmd) goto error; - for (i = 0; i < slots_num; i++) { - txq->cmd[i] = kmalloc(sizeof(struct iwl_device_cmd), - GFP_KERNEL); - if (!txq->cmd[i]) - goto error; - } + if (txq_id == trans->shrd->cmd_queue) + for (i = 0; i < slots_num; i++) { + txq->cmd[i] = kmalloc(sizeof(struct iwl_device_cmd), + GFP_KERNEL); + if (!txq->cmd[i]) + goto error; + } /* Alloc driver data array and TFD circular buffer */ /* Driver private data, only for Tx (not command) queues, * not shared with device. */ - if (txq_id != priv->cmd_queue) { - txq->txb = kzalloc(sizeof(txq->txb[0]) * + if (txq_id != trans->shrd->cmd_queue) { + txq->skbs = kzalloc(sizeof(txq->skbs[0]) * TFD_QUEUE_SIZE_MAX, GFP_KERNEL); - if (!txq->txb) { - IWL_ERR(priv, "kmalloc for auxiliary BD " + if (!txq->skbs) { + IWL_ERR(trans, "kmalloc for auxiliary BD " "structures failed\n"); goto error; } } else { - txq->txb = NULL; + txq->skbs = NULL; } /* Circular buffer of transmit frame descriptors (TFDs), * shared with device */ - txq->tfds = dma_alloc_coherent(priv->bus->dev, tfd_sz, &txq->q.dma_addr, - GFP_KERNEL); + txq->tfds = dma_alloc_coherent(bus(trans)->dev, tfd_sz, + &txq->q.dma_addr, GFP_KERNEL); if (!txq->tfds) { - IWL_ERR(priv, "dma_alloc_coherent(%zd) failed\n", tfd_sz); + IWL_ERR(trans, "dma_alloc_coherent(%zd) failed\n", tfd_sz); goto error; } txq->q.id = txq_id; return 0; error: - kfree(txq->txb); - txq->txb = NULL; + kfree(txq->skbs); + txq->skbs = NULL; /* since txq->cmd has been zeroed, * all non allocated cmd[i] will be NULL */ - if (txq->cmd) + if (txq->cmd && txq_id == trans->shrd->cmd_queue) for (i = 0; i < slots_num; i++) kfree(txq->cmd[i]); kfree(txq->meta); @@ -350,7 +367,7 @@ error: } -static int iwl_trans_txq_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, +static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq, int slots_num, u32 txq_id) { int ret; @@ -371,7 +388,7 @@ static int iwl_trans_txq_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); /* Initialize queue's high/low-water marks, and head/tail indexes */ - ret = iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, + ret = iwl_queue_init(&txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); if (ret) return ret; @@ -380,7 +397,7 @@ static int iwl_trans_txq_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, * Tell nic where to find circular buffer of Tx Frame Descriptors for * given Tx queue, and enable the DMA channel used for that queue. * Circular buffer (TFD queue in DRAM) physical base address */ - iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id), + iwl_write_direct32(bus(trans), FH_MEM_CBBC_QUEUE(txq_id), txq->q.dma_addr >> 8); return 0; @@ -389,9 +406,10 @@ static int iwl_trans_txq_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, /** * iwl_tx_queue_unmap - Unmap any remaining DMA mappings and free skb's */ -static void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id) +static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; if (!q->n_bd) @@ -399,7 +417,7 @@ static void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id) while (q->write_ptr != q->read_ptr) { /* The read_ptr needs to bound by q->n_window */ - iwlagn_txq_free_tfd(priv, txq, get_cmd_index(q, q->read_ptr)); + iwlagn_txq_free_tfd(trans, txq, get_cmd_index(q, q->read_ptr)); q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd); } } @@ -412,30 +430,33 @@ static void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id) * Free all buffers. * 0-fill, but do not free "txq" descriptor structure. */ -static void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id) +static void iwl_tx_queue_free(struct iwl_trans *trans, int txq_id) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct device *dev = priv->bus->dev; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; + struct device *dev = bus(trans)->dev; int i; if (WARN_ON(!txq)) return; - iwl_tx_queue_unmap(priv, txq_id); + iwl_tx_queue_unmap(trans, txq_id); /* De-alloc array of command/tx buffers */ - for (i = 0; i < txq->q.n_window; i++) - kfree(txq->cmd[i]); + + if (txq_id == trans->shrd->cmd_queue) + for (i = 0; i < txq->q.n_window; i++) + kfree(txq->cmd[i]); /* De-alloc circular buffer of TFDs */ if (txq->q.n_bd) { - dma_free_coherent(dev, priv->hw_params.tfd_size * + dma_free_coherent(dev, sizeof(struct iwl_tfd) * txq->q.n_bd, txq->tfds, txq->q.dma_addr); memset(&txq->q.dma_addr, 0, sizeof(txq->q.dma_addr)); } /* De-alloc array of per-TFD driver data */ - kfree(txq->txb); - txq->txb = NULL; + kfree(txq->skbs); + txq->skbs = NULL; /* deallocate arrays */ kfree(txq->cmd); @@ -452,22 +473,24 @@ static void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id) * * Destroy all TX DMA queues and structures */ -static void iwl_trans_tx_free(struct iwl_priv *priv) +static void iwl_trans_pcie_tx_free(struct iwl_trans *trans) { int txq_id; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); /* Tx queues */ - if (priv->txq) { - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) - iwl_tx_queue_free(priv, txq_id); + if (trans_pcie->txq) { + for (txq_id = 0; + txq_id < hw_params(trans).max_txq_num; txq_id++) + iwl_tx_queue_free(trans, txq_id); } - kfree(priv->txq); - priv->txq = NULL; + kfree(trans_pcie->txq); + trans_pcie->txq = NULL; - iwlagn_free_dma_ptr(priv, &priv->kw); + iwlagn_free_dma_ptr(trans, &trans_pcie->kw); - iwlagn_free_dma_ptr(priv, &priv->scd_bc_tbls); + iwlagn_free_dma_ptr(trans, &trans_pcie->scd_bc_tbls); } /** @@ -477,48 +500,52 @@ static void iwl_trans_tx_free(struct iwl_priv *priv) * @param priv * @return error code */ -static int iwl_trans_tx_alloc(struct iwl_priv *priv) +static int iwl_trans_tx_alloc(struct iwl_trans *trans) { int ret; int txq_id, slots_num; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + u16 scd_bc_tbls_size = hw_params(trans).max_txq_num * + sizeof(struct iwlagn_scd_bc_tbl); /*It is not allowed to alloc twice, so warn when this happens. * We cannot rely on the previous allocation, so free and fail */ - if (WARN_ON(priv->txq)) { + if (WARN_ON(trans_pcie->txq)) { ret = -EINVAL; goto error; } - ret = iwlagn_alloc_dma_ptr(priv, &priv->scd_bc_tbls, - priv->hw_params.scd_bc_tbls_size); + ret = iwlagn_alloc_dma_ptr(trans, &trans_pcie->scd_bc_tbls, + scd_bc_tbls_size); if (ret) { - IWL_ERR(priv, "Scheduler BC Table allocation failed\n"); + IWL_ERR(trans, "Scheduler BC Table allocation failed\n"); goto error; } /* Alloc keep-warm buffer */ - ret = iwlagn_alloc_dma_ptr(priv, &priv->kw, IWL_KW_SIZE); + ret = iwlagn_alloc_dma_ptr(trans, &trans_pcie->kw, IWL_KW_SIZE); if (ret) { - IWL_ERR(priv, "Keep Warm allocation failed\n"); + IWL_ERR(trans, "Keep Warm allocation failed\n"); goto error; } - priv->txq = kzalloc(sizeof(struct iwl_tx_queue) * - priv->cfg->base_params->num_of_queues, GFP_KERNEL); - if (!priv->txq) { - IWL_ERR(priv, "Not enough memory for txq\n"); + trans_pcie->txq = kzalloc(sizeof(struct iwl_tx_queue) * + hw_params(trans).max_txq_num, GFP_KERNEL); + if (!trans_pcie->txq) { + IWL_ERR(trans, "Not enough memory for txq\n"); ret = ENOMEM; goto error; } /* Alloc and init all Tx queues, including the command queue (#4/#9) */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { - slots_num = (txq_id == priv->cmd_queue) ? + for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) { + slots_num = (txq_id == trans->shrd->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - ret = iwl_trans_txq_alloc(priv, &priv->txq[txq_id], slots_num, - txq_id); + ret = iwl_trans_txq_alloc(trans, &trans_pcie->txq[txq_id], + slots_num, txq_id); if (ret) { - IWL_ERR(priv, "Tx %d queue alloc failed\n", txq_id); + IWL_ERR(trans, "Tx %d queue alloc failed\n", txq_id); goto error; } } @@ -526,42 +553,44 @@ static int iwl_trans_tx_alloc(struct iwl_priv *priv) return 0; error: - trans_tx_free(&priv->trans); + iwl_trans_pcie_tx_free(trans); return ret; } -static int iwl_tx_init(struct iwl_priv *priv) +static int iwl_tx_init(struct iwl_trans *trans) { int ret; int txq_id, slots_num; unsigned long flags; bool alloc = false; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - if (!priv->txq) { - ret = iwl_trans_tx_alloc(priv); + if (!trans_pcie->txq) { + ret = iwl_trans_tx_alloc(trans); if (ret) goto error; alloc = true; } - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); /* Turn off all Tx DMA fifos */ - iwl_write_prph(priv, SCD_TXFACT, 0); + iwl_write_prph(bus(trans), SCD_TXFACT, 0); /* Tell NIC where to find the "keep warm" buffer */ - iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4); + iwl_write_direct32(bus(trans), FH_KW_MEM_ADDR_REG, + trans_pcie->kw.dma >> 4); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); /* Alloc and init all Tx queues, including the command queue (#4/#9) */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { - slots_num = (txq_id == priv->cmd_queue) ? + for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) { + slots_num = (txq_id == trans->shrd->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - ret = iwl_trans_txq_init(priv, &priv->txq[txq_id], slots_num, - txq_id); + ret = iwl_trans_txq_init(trans, &trans_pcie->txq[txq_id], + slots_num, txq_id); if (ret) { - IWL_ERR(priv, "Tx %d queue init failed\n", txq_id); + IWL_ERR(trans, "Tx %d queue init failed\n", txq_id); goto error; } } @@ -570,58 +599,59 @@ static int iwl_tx_init(struct iwl_priv *priv) error: /*Upon error, free only if we allocated something */ if (alloc) - trans_tx_free(&priv->trans); + iwl_trans_pcie_tx_free(trans); return ret; } -static void iwl_set_pwr_vmain(struct iwl_priv *priv) +static void iwl_set_pwr_vmain(struct iwl_trans *trans) { /* * (for documentation purposes) * to set power to V_AUX, do: if (pci_pme_capable(priv->pci_dev, PCI_D3cold)) - iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(bus(trans), APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VAUX, ~APMG_PS_CTRL_MSK_PWR_SRC); */ - iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(bus(trans), APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, ~APMG_PS_CTRL_MSK_PWR_SRC); } -static int iwl_nic_init(struct iwl_priv *priv) +static int iwl_nic_init(struct iwl_trans *trans) { unsigned long flags; /* nic_init */ - spin_lock_irqsave(&priv->lock, flags); - iwl_apm_init(priv); + spin_lock_irqsave(&trans->shrd->lock, flags); + iwl_apm_init(priv(trans)); /* Set interrupt coalescing calibration timer to default (512 usecs) */ - iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF); + iwl_write8(bus(trans), CSR_INT_COALESCING, + IWL_HOST_INT_CALIB_TIMEOUT_DEF); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); - iwl_set_pwr_vmain(priv); + iwl_set_pwr_vmain(trans); - priv->cfg->lib->nic_config(priv); + iwl_nic_config(priv(trans)); /* Allocate the RX queue, or reset if it is already allocated */ - iwl_rx_init(priv); + iwl_rx_init(trans); /* Allocate or reset and init all Tx and Command queues */ - if (iwl_tx_init(priv)) + if (iwl_tx_init(trans)) return -ENOMEM; - if (priv->cfg->base_params->shadow_reg_enable) { + if (hw_params(trans).shadow_reg_enable) { /* enable shadow regs in HW */ - iwl_set_bit(priv, CSR_MAC_SHADOW_REG_CTRL, + iwl_set_bit(bus(trans), CSR_MAC_SHADOW_REG_CTRL, 0x800FFFFF); } - set_bit(STATUS_INIT, &priv->status); + set_bit(STATUS_INIT, &trans->shrd->status); return 0; } @@ -629,39 +659,39 @@ static int iwl_nic_init(struct iwl_priv *priv) #define HW_READY_TIMEOUT (50) /* Note: returns poll_bit return value, which is >= 0 if success */ -static int iwl_set_hw_ready(struct iwl_priv *priv) +static int iwl_set_hw_ready(struct iwl_trans *trans) { int ret; - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(trans), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY); /* See if we got it */ - ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(bus(trans), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, HW_READY_TIMEOUT); - IWL_DEBUG_INFO(priv, "hardware%s ready\n", ret < 0 ? " not" : ""); + IWL_DEBUG_INFO(trans, "hardware%s ready\n", ret < 0 ? " not" : ""); return ret; } /* Note: returns standard 0/-ERROR code */ -static int iwl_trans_prepare_card_hw(struct iwl_priv *priv) +static int iwl_trans_pcie_prepare_card_hw(struct iwl_trans *trans) { int ret; - IWL_DEBUG_INFO(priv, "iwl_trans_prepare_card_hw enter\n"); + IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); - ret = iwl_set_hw_ready(priv); + ret = iwl_set_hw_ready(trans); if (ret >= 0) return 0; /* If HW is not ready, prepare the conditions to check again */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(trans), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE); - ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(bus(trans), CSR_HW_IF_CONFIG_REG, ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000); @@ -669,151 +699,186 @@ static int iwl_trans_prepare_card_hw(struct iwl_priv *priv) return ret; /* HW should be ready by now, check again. */ - ret = iwl_set_hw_ready(priv); + ret = iwl_set_hw_ready(trans); if (ret >= 0) return 0; return ret; } -static int iwl_trans_start_device(struct iwl_priv *priv) +#define IWL_AC_UNSET -1 + +struct queue_to_fifo_ac { + s8 fifo, ac; +}; + +static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = { + { IWL_TX_FIFO_VO, IEEE80211_AC_VO, }, + { IWL_TX_FIFO_VI, IEEE80211_AC_VI, }, + { IWL_TX_FIFO_BE, IEEE80211_AC_BE, }, + { IWL_TX_FIFO_BK, IEEE80211_AC_BK, }, + { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, + { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, +}; + +static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = { + { IWL_TX_FIFO_VO, IEEE80211_AC_VO, }, + { IWL_TX_FIFO_VI, IEEE80211_AC_VI, }, + { IWL_TX_FIFO_BE, IEEE80211_AC_BE, }, + { IWL_TX_FIFO_BK, IEEE80211_AC_BK, }, + { IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, }, + { IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, }, + { IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, }, + { IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, }, + { IWL_TX_FIFO_BE_IPAN, 2, }, + { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, }, + { IWL_TX_FIFO_AUX, IWL_AC_UNSET, }, +}; + +static const u8 iwlagn_bss_ac_to_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, +}; +static const u8 iwlagn_bss_ac_to_queue[] = { + 0, 1, 2, 3, +}; +static const u8 iwlagn_pan_ac_to_fifo[] = { + IWL_TX_FIFO_VO_IPAN, + IWL_TX_FIFO_VI_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWL_TX_FIFO_BK_IPAN, +}; +static const u8 iwlagn_pan_ac_to_queue[] = { + 7, 6, 5, 4, +}; + +static int iwl_trans_pcie_start_device(struct iwl_trans *trans) { int ret; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + trans->shrd->ucode_owner = IWL_OWNERSHIP_DRIVER; + trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue; + trans_pcie->ac_to_queue[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_queue; + + trans_pcie->ac_to_fifo[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_fifo; + trans_pcie->ac_to_fifo[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_fifo; - priv->ucode_owner = IWL_OWNERSHIP_DRIVER; + trans_pcie->mcast_queue[IWL_RXON_CTX_BSS] = 0; + trans_pcie->mcast_queue[IWL_RXON_CTX_PAN] = IWL_IPAN_MCAST_QUEUE; - if ((priv->cfg->sku & EEPROM_SKU_CAP_AMT_ENABLE) && - iwl_trans_prepare_card_hw(priv)) { - IWL_WARN(priv, "Exit HW not ready\n"); + if ((hw_params(trans).sku & EEPROM_SKU_CAP_AMT_ENABLE) && + iwl_trans_pcie_prepare_card_hw(trans)) { + IWL_WARN(trans, "Exit HW not ready\n"); return -EIO; } /* If platform's RF_KILL switch is NOT set to KILL */ - if (iwl_read32(priv, CSR_GP_CNTRL) & + if (iwl_read32(bus(trans), CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(STATUS_RF_KILL_HW, &priv->status); + clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); else - set_bit(STATUS_RF_KILL_HW, &priv->status); + set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - if (iwl_is_rfkill(priv)) { - wiphy_rfkill_set_hw_state(priv->hw->wiphy, true); - iwl_enable_interrupts(priv); + if (iwl_is_rfkill(trans->shrd)) { + iwl_set_hw_rfkill_state(priv(trans), true); + iwl_enable_interrupts(trans); return -ERFKILL; } - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl_write32(bus(trans), CSR_INT, 0xFFFFFFFF); - ret = iwl_nic_init(priv); + ret = iwl_nic_init(trans); if (ret) { - IWL_ERR(priv, "Unable to init nic\n"); + IWL_ERR(trans, "Unable to init nic\n"); return ret; } /* make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); /* clear (again), then enable host interrupts */ - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_enable_interrupts(priv); + iwl_write32(bus(trans), CSR_INT, 0xFFFFFFFF); + iwl_enable_interrupts(trans); /* really make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); return 0; } /* * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask - * must be called under priv->lock and mac access + * must be called under priv->shrd->lock and mac access */ -static void iwl_trans_txq_set_sched(struct iwl_priv *priv, u32 mask) +static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask) { - iwl_write_prph(priv, SCD_TXFACT, mask); + iwl_write_prph(bus(trans), SCD_TXFACT, mask); } -#define IWL_AC_UNSET -1 - -struct queue_to_fifo_ac { - s8 fifo, ac; -}; - -static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = { - { IWL_TX_FIFO_VO, IEEE80211_AC_VO, }, - { IWL_TX_FIFO_VI, IEEE80211_AC_VI, }, - { IWL_TX_FIFO_BE, IEEE80211_AC_BE, }, - { IWL_TX_FIFO_BK, IEEE80211_AC_BK, }, - { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, }, - { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, - { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, - { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, - { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, - { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, }, -}; - -static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = { - { IWL_TX_FIFO_VO, IEEE80211_AC_VO, }, - { IWL_TX_FIFO_VI, IEEE80211_AC_VI, }, - { IWL_TX_FIFO_BE, IEEE80211_AC_BE, }, - { IWL_TX_FIFO_BK, IEEE80211_AC_BK, }, - { IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, }, - { IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, }, - { IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, }, - { IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, }, - { IWL_TX_FIFO_BE_IPAN, 2, }, - { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, }, -}; -static void iwl_trans_tx_start(struct iwl_priv *priv) +static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) { const struct queue_to_fifo_ac *queue_to_fifo; - struct iwl_rxon_context *ctx; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); u32 a; unsigned long flags; int i, chan; u32 reg_val; - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); - priv->scd_base_addr = iwl_read_prph(priv, SCD_SRAM_BASE_ADDR); - a = priv->scd_base_addr + SCD_CONTEXT_MEM_LOWER_BOUND; + trans_pcie->scd_base_addr = + iwl_read_prph(bus(trans), SCD_SRAM_BASE_ADDR); + a = trans_pcie->scd_base_addr + SCD_CONTEXT_MEM_LOWER_BOUND; /* reset conext data memory */ - for (; a < priv->scd_base_addr + SCD_CONTEXT_MEM_UPPER_BOUND; + for (; a < trans_pcie->scd_base_addr + SCD_CONTEXT_MEM_UPPER_BOUND; a += 4) - iwl_write_targ_mem(priv, a, 0); + iwl_write_targ_mem(bus(trans), a, 0); /* reset tx status memory */ - for (; a < priv->scd_base_addr + SCD_TX_STTS_MEM_UPPER_BOUND; + for (; a < trans_pcie->scd_base_addr + SCD_TX_STTS_MEM_UPPER_BOUND; a += 4) - iwl_write_targ_mem(priv, a, 0); - for (; a < priv->scd_base_addr + - SCD_TRANS_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4) - iwl_write_targ_mem(priv, a, 0); + iwl_write_targ_mem(bus(trans), a, 0); + for (; a < trans_pcie->scd_base_addr + + SCD_TRANS_TBL_OFFSET_QUEUE(hw_params(trans).max_txq_num); + a += 4) + iwl_write_targ_mem(bus(trans), a, 0); - iwl_write_prph(priv, SCD_DRAM_BASE_ADDR, - priv->scd_bc_tbls.dma >> 10); + iwl_write_prph(bus(trans), SCD_DRAM_BASE_ADDR, + trans_pcie->scd_bc_tbls.dma >> 10); /* Enable DMA channel */ for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++) - iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan), + iwl_write_direct32(bus(trans), FH_TCSR_CHNL_TX_CONFIG_REG(chan), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); /* Update FH chicken bits */ - reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG); - iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG, + reg_val = iwl_read_direct32(bus(trans), FH_TX_CHICKEN_BITS_REG); + iwl_write_direct32(bus(trans), FH_TX_CHICKEN_BITS_REG, reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN); - iwl_write_prph(priv, SCD_QUEUECHAIN_SEL, - SCD_QUEUECHAIN_SEL_ALL(priv)); - iwl_write_prph(priv, SCD_AGGR_SEL, 0); + iwl_write_prph(bus(trans), SCD_QUEUECHAIN_SEL, + SCD_QUEUECHAIN_SEL_ALL(trans)); + iwl_write_prph(bus(trans), SCD_AGGR_SEL, 0); /* initiate the queues */ - for (i = 0; i < priv->hw_params.max_txq_num; i++) { - iwl_write_prph(priv, SCD_QUEUE_RDPTR(i), 0); - iwl_write_direct32(priv, HBUS_TARG_WRPTR, 0 | (i << 8)); - iwl_write_targ_mem(priv, priv->scd_base_addr + + for (i = 0; i < hw_params(trans).max_txq_num; i++) { + iwl_write_prph(bus(trans), SCD_QUEUE_RDPTR(i), 0); + iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, 0 | (i << 8)); + iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(i), 0); - iwl_write_targ_mem(priv, priv->scd_base_addr + + iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(i) + sizeof(u32), ((SCD_WIN_SIZE << @@ -824,106 +889,121 @@ static void iwl_trans_tx_start(struct iwl_priv *priv) SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK)); } - iwl_write_prph(priv, SCD_INTERRUPT_MASK, - IWL_MASK(0, priv->hw_params.max_txq_num)); + iwl_write_prph(bus(trans), SCD_INTERRUPT_MASK, + IWL_MASK(0, hw_params(trans).max_txq_num)); /* Activate all Tx DMA/FIFO channels */ - iwl_trans_txq_set_sched(priv, IWL_MASK(0, 7)); + iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7)); /* map queues to FIFOs */ - if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) + if (trans->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS)) queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; else queue_to_fifo = iwlagn_default_queue_to_tx_fifo; - iwl_trans_set_wr_ptrs(priv, priv->cmd_queue, 0); + iwl_trans_set_wr_ptrs(trans, trans->shrd->cmd_queue, 0); /* make sure all queue are not stopped */ - memset(&priv->queue_stopped[0], 0, sizeof(priv->queue_stopped)); + memset(&trans_pcie->queue_stopped[0], 0, + sizeof(trans_pcie->queue_stopped)); for (i = 0; i < 4; i++) - atomic_set(&priv->queue_stop_count[i], 0); - for_each_context(priv, ctx) - ctx->last_tx_rejected = false; + atomic_set(&trans_pcie->queue_stop_count[i], 0); /* reset to 0 to enable all the queue first */ - priv->txq_ctx_active_msk = 0; + trans_pcie->txq_ctx_active_msk = 0; - BUILD_BUG_ON(ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo) != 10); - BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) != 10); + BUILD_BUG_ON(ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo) < + IWLAGN_FIRST_AMPDU_QUEUE); + BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) < + IWLAGN_FIRST_AMPDU_QUEUE); - for (i = 0; i < 10; i++) { + for (i = 0; i < IWLAGN_FIRST_AMPDU_QUEUE; i++) { int fifo = queue_to_fifo[i].fifo; int ac = queue_to_fifo[i].ac; - iwl_txq_ctx_activate(priv, i); + iwl_txq_ctx_activate(trans_pcie, i); if (fifo == IWL_TX_FIFO_UNUSED) continue; if (ac != IWL_AC_UNSET) - iwl_set_swq_id(&priv->txq[i], ac, i); - iwl_trans_tx_queue_set_status(priv, &priv->txq[i], fifo, 0); + iwl_set_swq_id(&trans_pcie->txq[i], ac, i); + iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[i], + fifo, 0); } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); /* Enable L1-Active */ - iwl_clear_bits_prph(priv, APMG_PCIDEV_STT_REG, + iwl_clear_bits_prph(bus(trans), APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_L1_ACT_DIS); } /** * iwlagn_txq_ctx_stop - Stop all Tx DMA channels */ -static int iwl_trans_tx_stop(struct iwl_priv *priv) +static int iwl_trans_tx_stop(struct iwl_trans *trans) { int ch, txq_id; unsigned long flags; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); /* Turn off all Tx DMA fifos */ - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&trans->shrd->lock, flags); - iwl_trans_txq_set_sched(priv, 0); + iwl_trans_txq_set_sched(trans, 0); /* Stop each Tx DMA channel, and wait for it to be idle */ for (ch = 0; ch < FH_TCSR_CHNL_NUM; ch++) { - iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); - if (iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, + iwl_write_direct32(bus(trans), + FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); + if (iwl_poll_direct_bit(bus(trans), FH_TSSR_TX_STATUS_REG, FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), 1000)) - IWL_ERR(priv, "Failing on timeout while stopping" + IWL_ERR(trans, "Failing on timeout while stopping" " DMA channel %d [0x%08x]", ch, - iwl_read_direct32(priv, FH_TSSR_TX_STATUS_REG)); + iwl_read_direct32(bus(trans), + FH_TSSR_TX_STATUS_REG)); } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&trans->shrd->lock, flags); - if (!priv->txq) { - IWL_WARN(priv, "Stopping tx queues that aren't allocated..."); + if (!trans_pcie->txq) { + IWL_WARN(trans, "Stopping tx queues that aren't allocated..."); return 0; } /* Unmap DMA from host system and free skb's */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) - iwl_tx_queue_unmap(priv, txq_id); + for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) + iwl_tx_queue_unmap(trans, txq_id); return 0; } -static void iwl_trans_stop_device(struct iwl_priv *priv) +static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans) { unsigned long flags; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + spin_lock_irqsave(&trans->shrd->lock, flags); + iwl_disable_interrupts(trans); + spin_unlock_irqrestore(&trans->shrd->lock, flags); + /* wait to make sure we flush pending tasklet*/ + synchronize_irq(bus(trans)->irq); + tasklet_kill(&trans_pcie->irq_tasklet); +} + +static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) +{ /* stop and reset the on-board processor */ - iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); /* tell the device to stop sending interrupts */ - spin_lock_irqsave(&priv->lock, flags); - iwl_disable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); - trans_sync_irq(&priv->trans); + iwl_trans_pcie_disable_sync_irq(trans); /* device going down, Stop using ICT table */ - iwl_disable_ict(priv); + iwl_disable_ict(trans); /* * If a HW restart happens during firmware loading, @@ -932,67 +1012,100 @@ static void iwl_trans_stop_device(struct iwl_priv *priv) * restart. So don't process again if the device is * already dead. */ - if (test_bit(STATUS_DEVICE_ENABLED, &priv->status)) { - iwl_trans_tx_stop(priv); - iwl_trans_rx_stop(priv); + if (test_bit(STATUS_DEVICE_ENABLED, &trans->shrd->status)) { + iwl_trans_tx_stop(trans); + iwl_trans_rx_stop(trans); /* Power-down device's busmaster DMA clocks */ - iwl_write_prph(priv, APMG_CLK_DIS_REG, + iwl_write_prph(bus(trans), APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); } /* Make sure (redundant) we've released our request to stay awake */ - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + iwl_clear_bit(bus(trans), CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* Stop the device, and put it in low power state */ - iwl_apm_stop(priv); + iwl_apm_stop(priv(trans)); } -static struct iwl_tx_cmd *iwl_trans_get_tx_cmd(struct iwl_priv *priv, - int txq_id) +static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, + struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct iwl_queue *q = &txq->q; - struct iwl_device_cmd *dev_cmd; - - if (unlikely(iwl_queue_space(q) < q->high_mark)) - return NULL; - - /* - * Set up the Tx-command (not MAC!) header. - * Store the chosen Tx queue and TFD index within the sequence field; - * after Tx, uCode's Tx response will return this value so driver can - * locate the frame within the tx queue and do post-tx processing. - */ - dev_cmd = txq->cmd[q->write_ptr]; - memset(dev_cmd, 0, sizeof(*dev_cmd)); - dev_cmd->hdr.cmd = REPLY_TX; - dev_cmd->hdr.sequence = cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) | - INDEX_TO_SEQ(q->write_ptr))); - return &dev_cmd->cmd.tx; -} - -static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, - struct iwl_tx_cmd *tx_cmd, int txq_id, __le16 fc, bool ampdu, - struct iwl_rxon_context *ctx) -{ - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct iwl_queue *q = &txq->q; - struct iwl_device_cmd *dev_cmd = txq->cmd[q->write_ptr]; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_tx_cmd *tx_cmd = &dev_cmd->cmd.tx; struct iwl_cmd_meta *out_meta; + struct iwl_tx_queue *txq; + struct iwl_queue *q; dma_addr_t phys_addr = 0; dma_addr_t txcmd_phys; dma_addr_t scratch_phys; u16 len, firstlen, secondlen; + u16 seq_number = 0; u8 wait_write_ptr = 0; + u8 txq_id; + u8 tid = 0; + bool is_agg = false; + __le16 fc = hdr->frame_control; u8 hdr_len = ieee80211_hdrlen(fc); + /* + * Send this frame after DTIM -- there's a special queue + * reserved for this for contexts that support AP mode. + */ + if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { + txq_id = trans_pcie->mcast_queue[ctx]; + + /* + * The microcode will clear the more data + * bit in the last frame it transmits. + */ + hdr->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); + } else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) + txq_id = IWL_AUX_QUEUE; + else + txq_id = + trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)]; + + if (ieee80211_is_data_qos(fc)) { + u8 *qc = NULL; + struct iwl_tid_data *tid_data; + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; + tid_data = &trans->shrd->tid_data[sta_id][tid]; + + if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT)) + return -1; + + seq_number = tid_data->seq_number; + seq_number &= IEEE80211_SCTL_SEQ; + hdr->seq_ctrl = hdr->seq_ctrl & + cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(seq_number); + seq_number += 0x10; + /* aggregation is on for this <sta,tid> */ + if (info->flags & IEEE80211_TX_CTL_AMPDU && + tid_data->agg.state == IWL_AGG_ON) { + txq_id = tid_data->agg.txq_id; + is_agg = true; + } + } + + txq = &trans_pcie->txq[txq_id]; + q = &txq->q; + /* Set up driver data for this TFD */ - memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info)); - txq->txb[q->write_ptr].skb = skb; - txq->txb[q->write_ptr].ctx = ctx; + txq->skbs[q->write_ptr] = skb; + txq->cmd[q->write_ptr] = dev_cmd; + + dev_cmd->hdr.cmd = REPLY_TX; + dev_cmd->hdr.sequence = cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) | + INDEX_TO_SEQ(q->write_ptr))); /* Set up first empty entry in queue's array of Tx/cmd buffers */ out_meta = &txq->meta[q->write_ptr]; @@ -1016,10 +1129,10 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ - txcmd_phys = dma_map_single(priv->bus->dev, + txcmd_phys = dma_map_single(bus(trans)->dev, &dev_cmd->hdr, firstlen, DMA_BIDIRECTIONAL); - if (unlikely(dma_mapping_error(priv->bus->dev, txcmd_phys))) + if (unlikely(dma_mapping_error(bus(trans)->dev, txcmd_phys))) return -1; dma_unmap_addr_set(out_meta, mapping, txcmd_phys); dma_unmap_len_set(out_meta, len, firstlen); @@ -1035,10 +1148,10 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, * if any (802.11 null frames have no payload). */ secondlen = skb->len - hdr_len; if (secondlen > 0) { - phys_addr = dma_map_single(priv->bus->dev, skb->data + hdr_len, + phys_addr = dma_map_single(bus(trans)->dev, skb->data + hdr_len, secondlen, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(priv->bus->dev, phys_addr))) { - dma_unmap_single(priv->bus->dev, + if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) { + dma_unmap_single(bus(trans)->dev, dma_unmap_addr(out_meta, mapping), dma_unmap_len(out_meta, len), DMA_BIDIRECTIONAL); @@ -1047,35 +1160,35 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, } /* Attach buffers to TFD */ - iwlagn_txq_attach_buf_to_tfd(priv, txq, txcmd_phys, firstlen, 1); + iwlagn_txq_attach_buf_to_tfd(trans, txq, txcmd_phys, firstlen, 1); if (secondlen > 0) - iwlagn_txq_attach_buf_to_tfd(priv, txq, phys_addr, + iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr, secondlen, 0); scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) + offsetof(struct iwl_tx_cmd, scratch); /* take back ownership of DMA buffer to enable update */ - dma_sync_single_for_cpu(priv->bus->dev, txcmd_phys, firstlen, + dma_sync_single_for_cpu(bus(trans)->dev, txcmd_phys, firstlen, DMA_BIDIRECTIONAL); tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); - IWL_DEBUG_TX(priv, "sequence nr = 0X%x\n", + IWL_DEBUG_TX(trans, "sequence nr = 0X%x\n", le16_to_cpu(dev_cmd->hdr.sequence)); - IWL_DEBUG_TX(priv, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); - iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd)); - iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len); + IWL_DEBUG_TX(trans, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); + iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd)); + iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len); /* Set up entry for this TFD in Tx byte-count array */ - if (ampdu) - iwl_trans_txq_update_byte_cnt_tbl(priv, txq, + if (is_agg) + iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len)); - dma_sync_single_for_device(priv->bus->dev, txcmd_phys, firstlen, + dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen, DMA_BIDIRECTIONAL); - trace_iwlwifi_dev_tx(priv, + trace_iwlwifi_dev_tx(priv(trans), &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr], sizeof(struct iwl_tfd), &dev_cmd->hdr, firstlen, @@ -1083,7 +1196,14 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, /* Tell device the write index *just past* this latest filled TFD */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); - iwl_txq_update_write_ptr(priv, txq); + iwl_txq_update_write_ptr(trans, txq); + + if (ieee80211_is_data_qos(fc)) { + trans->shrd->tid_data[sta_id][tid].tfds_in_queue++; + if (!ieee80211_has_morefrags(fc)) + trans->shrd->tid_data[sta_id][tid].seq_number = + seq_number; + } /* * At this point the frame is "transmitted" successfully @@ -1091,82 +1211,777 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, * regardless of the value of ret. "ret" only indicates * whether or not we should update the write pointer. */ - if ((iwl_queue_space(q) < q->high_mark) && priv->mac80211_registered) { + if (iwl_queue_space(q) < q->high_mark) { if (wait_write_ptr) { txq->need_update = 1; - iwl_txq_update_write_ptr(priv, txq); + iwl_txq_update_write_ptr(trans, txq); } else { - iwl_stop_queue(priv, txq); + iwl_stop_queue(trans, txq); } } return 0; } -static void iwl_trans_kick_nic(struct iwl_priv *priv) +static void iwl_trans_pcie_kick_nic(struct iwl_trans *trans) { /* Remove all resets to allow NIC to operate */ - iwl_write32(priv, CSR_RESET, 0); + iwl_write32(bus(trans), CSR_RESET, 0); } -static void iwl_trans_sync_irq(struct iwl_priv *priv) +static int iwl_trans_pcie_request_irq(struct iwl_trans *trans) { - /* wait to make sure we flush pending tasklet*/ - synchronize_irq(priv->bus->irq); - tasklet_kill(&priv->irq_tasklet); + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + int err; + + trans_pcie->inta_mask = CSR_INI_SET_MASK; + + tasklet_init(&trans_pcie->irq_tasklet, (void (*)(unsigned long)) + iwl_irq_tasklet, (unsigned long)trans); + + iwl_alloc_isr_ict(trans); + + err = request_irq(bus(trans)->irq, iwl_isr_ict, IRQF_SHARED, + DRV_NAME, trans); + if (err) { + IWL_ERR(trans, "Error allocating IRQ %d\n", bus(trans)->irq); + iwl_free_isr_ict(trans); + return err; + } + + INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish); + return 0; } -static void iwl_trans_free(struct iwl_priv *priv) +static int iwlagn_txq_check_empty(struct iwl_trans *trans, + int sta_id, u8 tid, int txq_id) { - free_irq(priv->bus->irq, priv); - iwl_free_isr_ict(priv); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_queue *q = &trans_pcie->txq[txq_id].q; + struct iwl_tid_data *tid_data = &trans->shrd->tid_data[sta_id][tid]; + + lockdep_assert_held(&trans->shrd->sta_lock); + + switch (trans->shrd->tid_data[sta_id][tid].agg.state) { + case IWL_EMPTYING_HW_QUEUE_DELBA: + /* We are reclaiming the last packet of the */ + /* aggregated HW queue */ + if ((txq_id == tid_data->agg.txq_id) && + (q->read_ptr == q->write_ptr)) { + IWL_DEBUG_HT(trans, + "HW queue empty: continue DELBA flow\n"); + iwl_trans_pcie_txq_agg_disable(trans, txq_id); + tid_data->agg.state = IWL_AGG_OFF; + iwl_stop_tx_ba_trans_ready(priv(trans), + NUM_IWL_RXON_CTX, + sta_id, tid); + iwl_wake_queue(trans, &trans_pcie->txq[txq_id]); + } + break; + case IWL_EMPTYING_HW_QUEUE_ADDBA: + /* We are reclaiming the last packet of the queue */ + if (tid_data->tfds_in_queue == 0) { + IWL_DEBUG_HT(trans, + "HW queue empty: continue ADDBA flow\n"); + tid_data->agg.state = IWL_AGG_ON; + iwl_start_tx_ba_trans_ready(priv(trans), + NUM_IWL_RXON_CTX, + sta_id, tid); + } + break; + } + + return 0; } -static const struct iwl_trans_ops trans_ops = { - .start_device = iwl_trans_start_device, - .prepare_card_hw = iwl_trans_prepare_card_hw, - .stop_device = iwl_trans_stop_device, +static void iwl_free_tfds_in_queue(struct iwl_trans *trans, + int sta_id, int tid, int freed) +{ + lockdep_assert_held(&trans->shrd->sta_lock); + + if (trans->shrd->tid_data[sta_id][tid].tfds_in_queue >= freed) + trans->shrd->tid_data[sta_id][tid].tfds_in_queue -= freed; + else { + IWL_DEBUG_TX(trans, "free more than tfds_in_queue (%u:%d)\n", + trans->shrd->tid_data[sta_id][tid].tfds_in_queue, + freed); + trans->shrd->tid_data[sta_id][tid].tfds_in_queue = 0; + } +} - .tx_start = iwl_trans_tx_start, +static void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, + int txq_id, int ssn, u32 status, + struct sk_buff_head *skbs) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; + /* n_bd is usually 256 => n_bd - 1 = 0xff */ + int tfd_num = ssn & (txq->q.n_bd - 1); + int freed = 0; + u8 agg_state; + bool cond; + + txq->time_stamp = jiffies; + + if (txq->sched_retry) { + agg_state = + trans->shrd->tid_data[txq->sta_id][txq->tid].agg.state; + cond = (agg_state != IWL_EMPTYING_HW_QUEUE_DELBA); + } else { + cond = (status != TX_STATUS_FAIL_PASSIVE_NO_RX); + } + + if (txq->q.read_ptr != tfd_num) { + IWL_DEBUG_TX_REPLY(trans, "Retry scheduler reclaim " + "scd_ssn=%d idx=%d txq=%d swq=%d\n", + ssn , tfd_num, txq_id, txq->swq_id); + freed = iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs); + if (iwl_queue_space(&txq->q) > txq->q.low_mark && cond) + iwl_wake_queue(trans, txq); + } - .rx_free = iwl_trans_rx_free, - .tx_free = iwl_trans_tx_free, + iwl_free_tfds_in_queue(trans, sta_id, tid, freed); + iwlagn_txq_check_empty(trans, sta_id, tid, txq_id); +} - .send_cmd = iwl_send_cmd, - .send_cmd_pdu = iwl_send_cmd_pdu, +static void iwl_trans_pcie_free(struct iwl_trans *trans) +{ + iwl_trans_pcie_tx_free(trans); + iwl_trans_pcie_rx_free(trans); + free_irq(bus(trans)->irq, trans); + iwl_free_isr_ict(trans); + trans->shrd->trans = NULL; + kfree(trans); +} - .get_tx_cmd = iwl_trans_get_tx_cmd, - .tx = iwl_trans_tx, +#ifdef CONFIG_PM - .txq_agg_disable = iwl_trans_txq_agg_disable, - .txq_agg_setup = iwl_trans_txq_agg_setup, +static int iwl_trans_pcie_suspend(struct iwl_trans *trans) +{ + /* + * This function is called when system goes into suspend state + * mac80211 will call iwl_mac_stop() from the mac80211 suspend function + * first but since iwl_mac_stop() has no knowledge of who the caller is, + * it will not call apm_ops.stop() to stop the DMA operation. + * Calling apm_ops.stop here to make sure we stop the DMA. + * + * But of course ... if we have configured WoWLAN then we did other + * things already :-) + */ + if (!trans->shrd->wowlan) + iwl_apm_stop(priv(trans)); - .kick_nic = iwl_trans_kick_nic, + return 0; +} - .sync_irq = iwl_trans_sync_irq, - .free = iwl_trans_free, +static int iwl_trans_pcie_resume(struct iwl_trans *trans) +{ + bool hw_rfkill = false; + + iwl_enable_interrupts(trans); + + if (!(iwl_read32(bus(trans), CSR_GP_CNTRL) & + CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) + hw_rfkill = true; + + if (hw_rfkill) + set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); + else + clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); + + iwl_set_hw_rfkill_state(priv(trans), hw_rfkill); + + return 0; +} +#else /* CONFIG_PM */ +static int iwl_trans_pcie_suspend(struct iwl_trans *trans) +{ return 0; } + +static int iwl_trans_pcie_resume(struct iwl_trans *trans) +{ return 0; } + +#endif /* CONFIG_PM */ + +static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans, + u8 ctx) +{ + u8 ac, txq_id; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + for (ac = 0; ac < AC_NUM; ac++) { + txq_id = trans_pcie->ac_to_queue[ctx][ac]; + IWL_DEBUG_INFO(trans, "Queue Status: Q[%d] %s\n", + ac, + (atomic_read(&trans_pcie->queue_stop_count[ac]) > 0) + ? "stopped" : "awake"); + iwl_wake_queue(trans, &trans_pcie->txq[txq_id]); + } +} + +const struct iwl_trans_ops trans_ops_pcie; + +static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd) +{ + struct iwl_trans *iwl_trans = kzalloc(sizeof(struct iwl_trans) + + sizeof(struct iwl_trans_pcie), + GFP_KERNEL); + if (iwl_trans) { + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(iwl_trans); + iwl_trans->ops = &trans_ops_pcie; + iwl_trans->shrd = shrd; + trans_pcie->trans = iwl_trans; + spin_lock_init(&iwl_trans->hcmd_lock); + } + + return iwl_trans; +} + +static void iwl_trans_pcie_stop_queue(struct iwl_trans *trans, int txq_id) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + iwl_stop_queue(trans, &trans_pcie->txq[txq_id]); +} + +#define IWL_FLUSH_WAIT_MS 2000 + +static int iwl_trans_pcie_wait_tx_queue_empty(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq; + struct iwl_queue *q; + int cnt; + unsigned long now = jiffies; + int ret = 0; + + /* waiting for all the tx frames complete might take a while */ + for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { + if (cnt == trans->shrd->cmd_queue) + continue; + txq = &trans_pcie->txq[cnt]; + q = &txq->q; + while (q->read_ptr != q->write_ptr && !time_after(jiffies, + now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS))) + msleep(1); + + if (q->read_ptr != q->write_ptr) { + IWL_ERR(trans, "fail to flush all tx fifo queues\n"); + ret = -ETIMEDOUT; + break; + } + } + return ret; +} + +/* + * On every watchdog tick we check (latest) time stamp. If it does not + * change during timeout period and queue is not empty we reset firmware. + */ +static int iwl_trans_pcie_check_stuck_queue(struct iwl_trans *trans, int cnt) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq = &trans_pcie->txq[cnt]; + struct iwl_queue *q = &txq->q; + unsigned long timeout; + + if (q->read_ptr == q->write_ptr) { + txq->time_stamp = jiffies; + return 0; + } + + timeout = txq->time_stamp + + msecs_to_jiffies(hw_params(trans).wd_timeout); + + if (time_after(jiffies, timeout)) { + IWL_ERR(trans, "Queue %d stuck for %u ms.\n", q->id, + hw_params(trans).wd_timeout); + IWL_ERR(trans, "Current read_ptr %d write_ptr %d\n", + q->read_ptr, q->write_ptr); + return 1; + } + + return 0; +} + +static const char *get_fh_string(int cmd) +{ + switch (cmd) { + IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); + IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); + IWL_CMD(FH_RSCSR_CHNL0_WPTR); + IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); + IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); + IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); + IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); + IWL_CMD(FH_TSSR_TX_STATUS_REG); + IWL_CMD(FH_TSSR_TX_ERROR_REG); + default: + return "UNKNOWN"; + } +} + +int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) +{ + int i; +#ifdef CONFIG_IWLWIFI_DEBUG + int pos = 0; + size_t bufsz = 0; +#endif + static const u32 fh_tbl[] = { + FH_RSCSR_CHNL0_STTS_WPTR_REG, + FH_RSCSR_CHNL0_RBDCB_BASE_REG, + FH_RSCSR_CHNL0_WPTR, + FH_MEM_RCSR_CHNL0_CONFIG_REG, + FH_MEM_RSSR_SHARED_CTRL_REG, + FH_MEM_RSSR_RX_STATUS_REG, + FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, + FH_TSSR_TX_STATUS_REG, + FH_TSSR_TX_ERROR_REG + }; +#ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + pos += scnprintf(*buf + pos, bufsz - pos, + "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + pos += scnprintf(*buf + pos, bufsz - pos, + " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return pos; + } +#endif + IWL_ERR(trans, "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + IWL_ERR(trans, " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return 0; +} + +static const char *get_csr_string(int cmd) +{ + switch (cmd) { + IWL_CMD(CSR_HW_IF_CONFIG_REG); + IWL_CMD(CSR_INT_COALESCING); + IWL_CMD(CSR_INT); + IWL_CMD(CSR_INT_MASK); + IWL_CMD(CSR_FH_INT_STATUS); + IWL_CMD(CSR_GPIO_IN); + IWL_CMD(CSR_RESET); + IWL_CMD(CSR_GP_CNTRL); + IWL_CMD(CSR_HW_REV); + IWL_CMD(CSR_EEPROM_REG); + IWL_CMD(CSR_EEPROM_GP); + IWL_CMD(CSR_OTP_GP_REG); + IWL_CMD(CSR_GIO_REG); + IWL_CMD(CSR_GP_UCODE_REG); + IWL_CMD(CSR_GP_DRIVER_REG); + IWL_CMD(CSR_UCODE_DRV_GP1); + IWL_CMD(CSR_UCODE_DRV_GP2); + IWL_CMD(CSR_LED_REG); + IWL_CMD(CSR_DRAM_INT_TBL_REG); + IWL_CMD(CSR_GIO_CHICKEN_BITS); + IWL_CMD(CSR_ANA_PLL_CFG); + IWL_CMD(CSR_HW_REV_WA_REG); + IWL_CMD(CSR_DBG_HPET_MEM_REG); + default: + return "UNKNOWN"; + } +} + +void iwl_dump_csr(struct iwl_trans *trans) +{ + int i; + static const u32 csr_tbl[] = { + CSR_HW_IF_CONFIG_REG, + CSR_INT_COALESCING, + CSR_INT, + CSR_INT_MASK, + CSR_FH_INT_STATUS, + CSR_GPIO_IN, + CSR_RESET, + CSR_GP_CNTRL, + CSR_HW_REV, + CSR_EEPROM_REG, + CSR_EEPROM_GP, + CSR_OTP_GP_REG, + CSR_GIO_REG, + CSR_GP_UCODE_REG, + CSR_GP_DRIVER_REG, + CSR_UCODE_DRV_GP1, + CSR_UCODE_DRV_GP2, + CSR_LED_REG, + CSR_DRAM_INT_TBL_REG, + CSR_GIO_CHICKEN_BITS, + CSR_ANA_PLL_CFG, + CSR_HW_REV_WA_REG, + CSR_DBG_HPET_MEM_REG + }; + IWL_ERR(trans, "CSR values:\n"); + IWL_ERR(trans, "(2nd byte of CSR_INT_COALESCING is " + "CSR_INT_PERIODIC_REG)\n"); + for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { + IWL_ERR(trans, " %25s: 0X%08x\n", + get_csr_string(csr_tbl[i]), + iwl_read32(bus(trans), csr_tbl[i])); + } +} + +#ifdef CONFIG_IWLWIFI_DEBUGFS +/* create and remove of files */ +#define DEBUGFS_ADD_FILE(name, parent, mode) do { \ + if (!debugfs_create_file(#name, mode, parent, trans, \ + &iwl_dbgfs_##name##_ops)) \ + return -ENOMEM; \ +} while (0) + +/* file operation */ +#define DEBUGFS_READ_FUNC(name) \ +static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ + char __user *user_buf, \ + size_t count, loff_t *ppos); + +#define DEBUGFS_WRITE_FUNC(name) \ +static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ + const char __user *user_buf, \ + size_t count, loff_t *ppos); + + +static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +#define DEBUGFS_READ_FILE_OPS(name) \ + DEBUGFS_READ_FUNC(name); \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .read = iwl_dbgfs_##name##_read, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_WRITE_FILE_OPS(name) \ + DEBUGFS_WRITE_FUNC(name); \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_READ_WRITE_FILE_OPS(name) \ + DEBUGFS_READ_FUNC(name); \ + DEBUGFS_WRITE_FUNC(name); \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .read = iwl_dbgfs_##name##_read, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ }; -int iwl_trans_register(struct iwl_trans *trans, struct iwl_priv *priv) +static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) { - int err; + struct iwl_trans *trans = file->private_data; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_tx_queue *txq; + struct iwl_queue *q; + char *buf; + int pos = 0; + int cnt; + int ret; + const size_t bufsz = sizeof(char) * 64 * hw_params(trans).max_txq_num; - priv->trans.ops = &trans_ops; - priv->trans.priv = priv; + if (!trans_pcie->txq) { + IWL_ERR(trans, "txq not ready\n"); + return -EAGAIN; + } + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; - tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) - iwl_irq_tasklet, (unsigned long)priv); + for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { + txq = &trans_pcie->txq[cnt]; + q = &txq->q; + pos += scnprintf(buf + pos, bufsz - pos, + "hwq %.2d: read=%u write=%u stop=%d" + " swq_id=%#.2x (ac %d/hwq %d)\n", + cnt, q->read_ptr, q->write_ptr, + !!test_bit(cnt, trans_pcie->queue_stopped), + txq->swq_id, txq->swq_id & 3, + (txq->swq_id >> 2) & 0x1f); + if (cnt >= 4) + continue; + /* for the ACs, display the stop count too */ + pos += scnprintf(buf + pos, bufsz - pos, + " stop-count: %d\n", + atomic_read(&trans_pcie->queue_stop_count[cnt])); + } + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} - iwl_alloc_isr_ict(priv); +static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) { + struct iwl_trans *trans = file->private_data; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + + pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", + rxq->read); + pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", + rxq->write); + pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", + rxq->free_count); + if (rxq->rb_stts) { + pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", + le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); + } else { + pos += scnprintf(buf + pos, bufsz - pos, + "closed_rb_num: Not Allocated\n"); + } + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} - err = request_irq(priv->bus->irq, iwl_isr_ict, IRQF_SHARED, - DRV_NAME, priv); - if (err) { - IWL_ERR(priv, "Error allocating IRQ %d\n", priv->bus->irq); - iwl_free_isr_ict(priv); - return err; +static ssize_t iwl_dbgfs_log_event_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + char *buf; + int pos = 0; + ssize_t ret = -ENOMEM; + + ret = pos = iwl_dump_nic_event_log(trans, true, &buf, true); + if (buf) { + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + } + return ret; +} + +static ssize_t iwl_dbgfs_log_event_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + u32 event_log_flag; + char buf[8]; + int buf_size; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &event_log_flag) != 1) + return -EFAULT; + if (event_log_flag == 1) + iwl_dump_nic_event_log(trans, true, NULL, false); + + return count; +} + +static ssize_t iwl_dbgfs_interrupt_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) { + + struct iwl_trans *trans = file->private_data; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct isr_statistics *isr_stats = &trans_pcie->isr_stats; + + int pos = 0; + char *buf; + int bufsz = 24 * 64; /* 24 items * 64 char per item */ + ssize_t ret; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) { + IWL_ERR(trans, "Can not allocate Buffer\n"); + return -ENOMEM; + } + + pos += scnprintf(buf + pos, bufsz - pos, + "Interrupt Statistics Report:\n"); + + pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", + isr_stats->hw); + pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", + isr_stats->sw); + if (isr_stats->sw || isr_stats->hw) { + pos += scnprintf(buf + pos, bufsz - pos, + "\tLast Restarting Code: 0x%X\n", + isr_stats->err_code); } +#ifdef CONFIG_IWLWIFI_DEBUG + pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", + isr_stats->sch); + pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", + isr_stats->alive); +#endif + pos += scnprintf(buf + pos, bufsz - pos, + "HW RF KILL switch toggled:\t %u\n", isr_stats->rfkill); + + pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", + isr_stats->ctkill); + + pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", + isr_stats->wakeup); + + pos += scnprintf(buf + pos, bufsz - pos, + "Rx command responses:\t\t %u\n", isr_stats->rx); + + pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", + isr_stats->tx); - INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish); + pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", + isr_stats->unhandled); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} + +static ssize_t iwl_dbgfs_interrupt_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + struct isr_statistics *isr_stats = &trans_pcie->isr_stats; + + char buf[8]; + int buf_size; + u32 reset_flag; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%x", &reset_flag) != 1) + return -EFAULT; + if (reset_flag == 0) + memset(isr_stats, 0, sizeof(*isr_stats)); + + return count; +} + +static ssize_t iwl_dbgfs_csr_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + char buf[8]; + int buf_size; + int csr; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &csr) != 1) + return -EFAULT; + + iwl_dump_csr(trans); + + return count; +} + +static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + char *buf; + int pos = 0; + ssize_t ret = -EFAULT; + + ret = pos = iwl_dump_fh(trans, &buf, true); + if (buf) { + ret = simple_read_from_buffer(user_buf, + count, ppos, buf, pos); + kfree(buf); + } + + return ret; +} + +DEBUGFS_READ_WRITE_FILE_OPS(log_event); +DEBUGFS_READ_WRITE_FILE_OPS(interrupt); +DEBUGFS_READ_FILE_OPS(fh_reg); +DEBUGFS_READ_FILE_OPS(rx_queue); +DEBUGFS_READ_FILE_OPS(tx_queue); +DEBUGFS_WRITE_FILE_OPS(csr); + +/* + * Create the debugfs files and directories + * + */ +static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, + struct dentry *dir) +{ + DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR); + DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR); + DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR); + DEBUGFS_ADD_FILE(interrupt, dir, S_IWUSR | S_IRUSR); + DEBUGFS_ADD_FILE(csr, dir, S_IWUSR); + DEBUGFS_ADD_FILE(fh_reg, dir, S_IRUSR); return 0; } +#else +static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, + struct dentry *dir) +{ return 0; } + +#endif /*CONFIG_IWLWIFI_DEBUGFS */ + +const struct iwl_trans_ops trans_ops_pcie = { + .alloc = iwl_trans_pcie_alloc, + .request_irq = iwl_trans_pcie_request_irq, + .start_device = iwl_trans_pcie_start_device, + .prepare_card_hw = iwl_trans_pcie_prepare_card_hw, + .stop_device = iwl_trans_pcie_stop_device, + + .tx_start = iwl_trans_pcie_tx_start, + .wake_any_queue = iwl_trans_pcie_wake_any_queue, + + .send_cmd = iwl_trans_pcie_send_cmd, + .send_cmd_pdu = iwl_trans_pcie_send_cmd_pdu, + + .tx = iwl_trans_pcie_tx, + .reclaim = iwl_trans_pcie_reclaim, + + .tx_agg_disable = iwl_trans_pcie_tx_agg_disable, + .tx_agg_alloc = iwl_trans_pcie_tx_agg_alloc, + .tx_agg_setup = iwl_trans_pcie_tx_agg_setup, + + .kick_nic = iwl_trans_pcie_kick_nic, + + .free = iwl_trans_pcie_free, + .stop_queue = iwl_trans_pcie_stop_queue, + + .dbgfs_register = iwl_trans_pcie_dbgfs_register, + + .wait_tx_queue_empty = iwl_trans_pcie_wait_tx_queue_empty, + .check_stuck_queue = iwl_trans_pcie_check_stuck_queue, + + .suspend = iwl_trans_pcie_suspend, + .resume = iwl_trans_pcie_resume, +}; + diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 7993aa7ae668..71a6fb05356a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -63,163 +63,295 @@ #ifndef __iwl_trans_h__ #define __iwl_trans_h__ +#include <linux/debugfs.h> +#include <linux/skbuff.h> + +#include "iwl-shared.h" +#include "iwl-commands.h" + /*This file includes the declaration that are exported from the transport * layer */ struct iwl_priv; -struct iwl_rxon_context; -struct iwl_host_cmd; +struct iwl_shared; + +#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) +#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) +#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) + +enum { + CMD_SYNC = 0, + CMD_ASYNC = BIT(0), + CMD_WANT_SKB = BIT(1), + CMD_ON_DEMAND = BIT(2), +}; + +#define DEF_CMD_PAYLOAD_SIZE 320 + +/** + * struct iwl_device_cmd + * + * For allocation of the command and tx queues, this establishes the overall + * size of the largest command we send to uCode, except for commands that + * aren't fully copied and use other TFD space. + */ +struct iwl_device_cmd { + struct iwl_cmd_header hdr; /* uCode API */ + union { + u32 flags; + u8 val8; + u16 val16; + u32 val32; + struct iwl_tx_cmd tx; + struct iwl6000_channel_switch_cmd chswitch; + u8 payload[DEF_CMD_PAYLOAD_SIZE]; + } __packed cmd; +} __packed; + +#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) + +#define IWL_MAX_CMD_TFDS 2 + +enum iwl_hcmd_dataflag { + IWL_HCMD_DFL_NOCOPY = BIT(0), +}; + +/** + * struct iwl_host_cmd - Host command to the uCode + * @data: array of chunks that composes the data of the host command + * @reply_page: pointer to the page that holds the response to the host command + * @callback: + * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC + * @len: array of the lenths of the chunks in data + * @dataflags: + * @id: id of the host command + */ +struct iwl_host_cmd { + const void *data[IWL_MAX_CMD_TFDS]; + unsigned long reply_page; + void (*callback)(struct iwl_shared *shrd, + struct iwl_device_cmd *cmd, + struct iwl_rx_packet *pkt); + u32 flags; + u16 len[IWL_MAX_CMD_TFDS]; + u8 dataflags[IWL_MAX_CMD_TFDS]; + u8 id; +}; /** * struct iwl_trans_ops - transport specific operations + * @alloc: allocates the meta data (not the queues themselves) + * @request_irq: requests IRQ - will be called before the FW load in probe flow * @start_device: allocates and inits all the resources for the transport * layer. * @prepare_card_hw: claim the ownership on the HW. Will be called during * probe. * @tx_start: starts and configures all the Tx fifo - usually done once the fw * is alive. + * @wake_any_queue: wake all the queues of a specfic context IWL_RXON_CTX_* * @stop_device:stops the whole device (embedded CPU put to reset) - * @rx_free: frees the rx memory - * @tx_free: frees the tx memory * @send_cmd:send a host command * @send_cmd_pdu:send a host command: flags can be CMD_* - * @get_tx_cmd: returns a pointer to a new Tx cmd for the upper layer use * @tx: send an skb - * @txq_agg_setup: setup a tx queue for AMPDU - will be called once the HW is + * @reclaim: free packet until ssn. Returns a list of freed packets. + * @tx_agg_alloc: allocate resources for a TX BA session + * @tx_agg_setup: setup a tx queue for AMPDU - will be called once the HW is * ready and a successful ADDBA response has been received. - * @txq_agg_disable: de-configure a Tx queue to send AMPDUs + * @tx_agg_disable: de-configure a Tx queue to send AMPDUs * @kick_nic: remove the RESET from the embedded CPU and let it run - * @sync_irq: the upper layer will typically disable interrupt and call this - * handler. After this handler returns, it is guaranteed that all - * the ISR / tasklet etc... have finished running and the transport - * layer shall not pass any Rx. * @free: release all the ressource for the transport layer itself such as * irq, tasklet etc... + * @stop_queue: stop a specific queue + * @check_stuck_queue: check if a specific queue is stuck + * @wait_tx_queue_empty: wait until all tx queues are empty + * @dbgfs_register: add the dbgfs files under this directory. Files will be + * automatically deleted. + * @suspend: stop the device unless WoWLAN is configured + * @resume: resume activity of the device */ struct iwl_trans_ops { - int (*start_device)(struct iwl_priv *priv); - int (*prepare_card_hw)(struct iwl_priv *priv); - void (*stop_device)(struct iwl_priv *priv); - void (*tx_start)(struct iwl_priv *priv); - void (*tx_free)(struct iwl_priv *priv); - void (*rx_free)(struct iwl_priv *priv); + struct iwl_trans *(*alloc)(struct iwl_shared *shrd); + int (*request_irq)(struct iwl_trans *iwl_trans); + int (*start_device)(struct iwl_trans *trans); + int (*prepare_card_hw)(struct iwl_trans *trans); + void (*stop_device)(struct iwl_trans *trans); + void (*tx_start)(struct iwl_trans *trans); + + void (*wake_any_queue)(struct iwl_trans *trans, u8 ctx); - int (*send_cmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd); + int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd); - int (*send_cmd_pdu)(struct iwl_priv *priv, u8 id, u32 flags, u16 len, + int (*send_cmd_pdu)(struct iwl_trans *trans, u8 id, u32 flags, u16 len, const void *data); - struct iwl_tx_cmd * (*get_tx_cmd)(struct iwl_priv *priv, int txq_id); - int (*tx)(struct iwl_priv *priv, struct sk_buff *skb, - struct iwl_tx_cmd *tx_cmd, int txq_id, __le16 fc, bool ampdu, - struct iwl_rxon_context *ctx); + int (*tx)(struct iwl_trans *trans, struct sk_buff *skb, + struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id); + void (*reclaim)(struct iwl_trans *trans, int sta_id, int tid, + int txq_id, int ssn, u32 status, + struct sk_buff_head *skbs); + + int (*tx_agg_disable)(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, + int tid); + int (*tx_agg_alloc)(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, int tid, + u16 *ssn); + void (*tx_agg_setup)(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, int sta_id, int tid, + int frame_limit); + + void (*kick_nic)(struct iwl_trans *trans); - int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, - u16 ssn_idx, u8 tx_fifo); - void (*txq_agg_setup)(struct iwl_priv *priv, int sta_id, int tid, - int frame_limit); + void (*free)(struct iwl_trans *trans); - void (*kick_nic)(struct iwl_priv *priv); + void (*stop_queue)(struct iwl_trans *trans, int q); - void (*sync_irq)(struct iwl_priv *priv); - void (*free)(struct iwl_priv *priv); + int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); + int (*check_stuck_queue)(struct iwl_trans *trans, int q); + int (*wait_tx_queue_empty)(struct iwl_trans *trans); + + int (*suspend)(struct iwl_trans *trans); + int (*resume)(struct iwl_trans *trans); }; +/** + * struct iwl_trans - transport common data + * @ops - pointer to iwl_trans_ops + * @shrd - pointer to iwl_shared which holds shared data from the upper layer + * @hcmd_lock: protects HCMD + */ struct iwl_trans { const struct iwl_trans_ops *ops; - struct iwl_priv *priv; + struct iwl_shared *shrd; + spinlock_t hcmd_lock; + + /* pointer to trans specific struct */ + /*Ensure that this pointer will always be aligned to sizeof pointer */ + char trans_specific[0] __attribute__((__aligned__(sizeof(void *)))); }; -static inline int trans_start_device(struct iwl_trans *trans) +static inline int iwl_trans_request_irq(struct iwl_trans *trans) { - return trans->ops->start_device(trans->priv); + return trans->ops->request_irq(trans); } -static inline int trans_prepare_card_hw(struct iwl_trans *trans) +static inline int iwl_trans_start_device(struct iwl_trans *trans) { - return trans->ops->prepare_card_hw(trans->priv); + return trans->ops->start_device(trans); } -static inline void trans_stop_device(struct iwl_trans *trans) +static inline int iwl_trans_prepare_card_hw(struct iwl_trans *trans) { - trans->ops->stop_device(trans->priv); + return trans->ops->prepare_card_hw(trans); } -static inline void trans_tx_start(struct iwl_trans *trans) +static inline void iwl_trans_stop_device(struct iwl_trans *trans) { - trans->ops->tx_start(trans->priv); + trans->ops->stop_device(trans); } -static inline void trans_rx_free(struct iwl_trans *trans) +static inline void iwl_trans_tx_start(struct iwl_trans *trans) { - trans->ops->rx_free(trans->priv); + trans->ops->tx_start(trans); } -static inline void trans_tx_free(struct iwl_trans *trans) +static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, u8 ctx) { - trans->ops->tx_free(trans->priv); + trans->ops->wake_any_queue(trans, ctx); } -static inline int trans_send_cmd(struct iwl_trans *trans, + +static inline int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { - return trans->ops->send_cmd(trans->priv, cmd); + return trans->ops->send_cmd(trans, cmd); } -static inline int trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, u32 flags, - u16 len, const void *data) +static inline int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, + u32 flags, u16 len, const void *data) { - return trans->ops->send_cmd_pdu(trans->priv, id, flags, len, data); + return trans->ops->send_cmd_pdu(trans, id, flags, len, data); } -static inline struct iwl_tx_cmd *trans_get_tx_cmd(struct iwl_trans *trans, - int txq_id) +static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, + struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id) { - return trans->ops->get_tx_cmd(trans->priv, txq_id); + return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id); } -static inline int trans_tx(struct iwl_trans *trans, struct sk_buff *skb, - struct iwl_tx_cmd *tx_cmd, int txq_id, __le16 fc, bool ampdu, - struct iwl_rxon_context *ctx) +static inline void iwl_trans_reclaim(struct iwl_trans *trans, int sta_id, + int tid, int txq_id, int ssn, u32 status, + struct sk_buff_head *skbs) { - return trans->ops->tx(trans->priv, skb, tx_cmd, txq_id, fc, ampdu, ctx); + trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, status, skbs); } -static inline int trans_txq_agg_disable(struct iwl_trans *trans, u16 txq_id, - u16 ssn_idx, u8 tx_fifo) +static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, + int sta_id, int tid) { - return trans->ops->txq_agg_disable(trans->priv, txq_id, - ssn_idx, tx_fifo); + return trans->ops->tx_agg_disable(trans, ctx, sta_id, tid); } -static inline void trans_txq_agg_setup(struct iwl_trans *trans, int sta_id, - int tid, int frame_limit) +static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, + int sta_id, int tid, u16 *ssn) { - trans->ops->txq_agg_setup(trans->priv, sta_id, tid, frame_limit); + return trans->ops->tx_agg_alloc(trans, ctx, sta_id, tid, ssn); } -static inline void trans_kick_nic(struct iwl_trans *trans) + +static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, + enum iwl_rxon_context_id ctx, + int sta_id, int tid, + int frame_limit) { - trans->ops->kick_nic(trans->priv); + trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit); } -static inline void trans_sync_irq(struct iwl_trans *trans) +static inline void iwl_trans_kick_nic(struct iwl_trans *trans) { - trans->ops->sync_irq(trans->priv); + trans->ops->kick_nic(trans); } -static inline void trans_free(struct iwl_trans *trans) +static inline void iwl_trans_free(struct iwl_trans *trans) { - trans->ops->free(trans->priv); + trans->ops->free(trans); } -int iwl_trans_register(struct iwl_trans *trans, struct iwl_priv *priv); +static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q) +{ + trans->ops->stop_queue(trans, q); +} + +static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) +{ + return trans->ops->wait_tx_queue_empty(trans); +} -/*TODO: this functions should NOT be exported from trans module - export it - * until the reclaim flow will be brought to the transport module too */ +static inline int iwl_trans_check_stuck_queue(struct iwl_trans *trans, int q) +{ + return trans->ops->check_stuck_queue(trans, q); +} +static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans, + struct dentry *dir) +{ + return trans->ops->dbgfs_register(trans, dir); +} + +static inline int iwl_trans_suspend(struct iwl_trans *trans) +{ + return trans->ops->suspend(trans); +} + +static inline int iwl_trans_resume(struct iwl_trans *trans) +{ + return trans->ops->resume(trans); +} -struct iwl_tx_queue; -void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, - struct iwl_tx_queue *txq); +/***************************************************** +* Transport layers implementations +******************************************************/ +extern const struct iwl_trans_ops trans_ops_pcie; #endif /* __iwl_trans_h__ */ |