diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
43 files changed, 3462 insertions, 2586 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index b82364258dc5..ed424574160e 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -106,6 +106,9 @@ config IWL5000 Intel WiFi Link 1000BGN Intel Wireless WiFi 5150AGN Intel Wireless WiFi 5100AGN, 5300AGN, and 5350AGN + Intel 6000 Gen 2 Series Wi-Fi Adapters (6000G2A and 6000G2B) + Intel WIreless WiFi Link 6050BGN Gen 2 Adapter + Intel 100 Series Wi-Fi Adapters (100BGN and 130BGN) config IWL3945 tristate "Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)" diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 63edbe2e557f..93380f97835f 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -2,20 +2,27 @@ obj-$(CONFIG_IWLWIFI) += iwlcore.o iwlcore-objs := iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o iwlcore-objs += iwl-rx.o iwl-tx.o iwl-sta.o iwlcore-objs += iwl-scan.o iwl-led.o +iwlcore-$(CONFIG_IWL3945) += iwl-legacy.o +iwlcore-$(CONFIG_IWL4965) += iwl-legacy.o iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o iwlcore-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o +# If 3945 is selected only, iwl-legacy.o will be added +# to iwlcore-m above, but it needs to be built in. +iwlcore-objs += $(iwlcore-m) + CFLAGS_iwl-devtrace.o := -I$(src) # AGN obj-$(CONFIG_IWLAGN) += iwlagn.o -iwlagn-objs := iwl-agn.o iwl-agn-rs.o iwl-agn-led.o iwl-agn-ict.o -iwlagn-objs += iwl-agn-ucode.o iwl-agn-hcmd.o iwl-agn-tx.o +iwlagn-objs := iwl-agn.o iwl-agn-rs.o iwl-agn-led.o +iwlagn-objs += iwl-agn-ucode.o iwl-agn-tx.o iwlagn-objs += iwl-agn-lib.o iwl-agn-rx.o iwl-agn-calib.o iwlagn-objs += iwl-agn-tt.o iwl-agn-sta.o iwl-agn-eeprom.o iwlagn-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-agn-debugfs.o iwlagn-$(CONFIG_IWL4965) += iwl-4965.o +iwlagn-$(CONFIG_IWL5000) += iwl-agn-rxon.o iwl-agn-hcmd.o iwl-agn-ict.o iwlagn-$(CONFIG_IWL5000) += iwl-5000.o iwlagn-$(CONFIG_IWL5000) += iwl-6000.o iwlagn-$(CONFIG_IWL5000) += iwl-1000.o diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index db540910b110..ba78bc8a259f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -147,7 +147,11 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; 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); + if (priv->cfg->rx_with_siso_diversity) + priv->hw_params.rx_chains_num = 1; + else + 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; @@ -211,14 +215,16 @@ static struct iwl_lib_ops iwl1000_lib = { .calib_version = iwlagn_eeprom_calib_version, .query_addr = iwlagn_eeprom_query_addr, }, - .post_associate = iwl_post_associate, - .isr = iwl_isr_ict, - .config_ap = iwl_config_ap, + .isr_ops = { + .isr = iwl_isr_ict, + .free = iwl_free_isr_ict, + .alloc = iwl_alloc_isr_ict, + .reset = iwl_reset_ict, + .disable = iwl_disable_ict, + }, .temp_ops = { .temperature = iwlagn_temperature, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -226,7 +232,6 @@ static struct iwl_lib_ops iwl1000_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, .txfifo_flush = iwlagn_txfifo_flush, @@ -243,6 +248,7 @@ static const struct iwl_ops iwl1000_ops = { .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static struct iwl_base_params iwl1000_base_params = { @@ -259,7 +265,7 @@ static struct iwl_base_params iwl1000_base_params = { .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF, .chain_noise_scale = 1000, - .monitor_recover_period = IWL_DEF_MONITORING_PERIOD, + .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 128, .ucode_tracing = true, .sensitivity_calib_by_driver = true, @@ -270,66 +276,49 @@ static struct iwl_ht_params iwl1000_ht_params = { .use_rts_for_aggregation = true, /* use rts/cts protection */ }; +#define IWL_DEVICE_1000 \ + .fw_name_pre = IWL1000_FW_PRE, \ + .ucode_api_max = IWL1000_UCODE_API_MAX, \ + .ucode_api_min = IWL1000_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ + .ops = &iwl1000_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl1000_base_params, \ + .led_mode = IWL_LED_BLINK + struct iwl_cfg iwl1000_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN", - .fw_name_pre = IWL1000_FW_PRE, - .ucode_api_max = IWL1000_UCODE_API_MAX, - .ucode_api_min = IWL1000_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_1000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, - .ops = &iwl1000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl1000_base_params, + IWL_DEVICE_1000, .ht_params = &iwl1000_ht_params, }; struct iwl_cfg iwl1000_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1000 BG", - .fw_name_pre = IWL1000_FW_PRE, - .ucode_api_max = IWL1000_UCODE_API_MAX, - .ucode_api_min = IWL1000_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_1000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, - .ops = &iwl1000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl1000_base_params, + IWL_DEVICE_1000, }; +#define IWL_DEVICE_100 \ + .fw_name_pre = IWL100_FW_PRE, \ + .ucode_api_max = IWL100_UCODE_API_MAX, \ + .ucode_api_min = IWL100_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ + .ops = &iwl1000_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl1000_base_params, \ + .led_mode = IWL_LED_RF_STATE, \ + .rx_with_siso_diversity = true + struct iwl_cfg iwl100_bgn_cfg = { - .name = "Intel(R) 100 Series 1x1 BGN", - .fw_name_pre = IWL100_FW_PRE, - .ucode_api_max = IWL100_UCODE_API_MAX, - .ucode_api_min = IWL100_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_A, - .eeprom_ver = EEPROM_1000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, - .ops = &iwl1000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl1000_base_params, + .name = "Intel(R) Centrino(R) Wireless-N 100 BGN", + IWL_DEVICE_100, .ht_params = &iwl1000_ht_params, }; struct iwl_cfg iwl100_bg_cfg = { - .name = "Intel(R) 100 Series 1x1 BG", - .fw_name_pre = IWL100_FW_PRE, - .ucode_api_max = IWL100_UCODE_API_MAX, - .ucode_api_min = IWL100_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_A, - .eeprom_ver = EEPROM_1000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, - .ops = &iwl1000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl1000_base_params, + .name = "Intel(R) Centrino(R) Wireless-N 100 BG", + IWL_DEVICE_100, }; MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 176e52577673..a9b852be4509 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -51,6 +51,7 @@ #include "iwl-led.h" #include "iwl-3945-led.h" #include "iwl-3945-debugfs.h" +#include "iwl-legacy.h" #define IWL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np) \ [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ @@ -115,7 +116,7 @@ void iwl3945_disable_events(struct iwl_priv *priv) u32 base; /* SRAM address of event log header */ u32 disable_ptr; /* SRAM address of event-disable bitmap array */ u32 array_size; /* # of u32 entries in array */ - u32 evt_disable[IWL_EVT_DISABLE_SIZE] = { + static const u32 evt_disable[IWL_EVT_DISABLE_SIZE] = { 0x00000000, /* 31 - 0 Event id numbers */ 0x00000000, /* 63 - 32 */ 0x00000000, /* 95 - 64 */ @@ -296,7 +297,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv, if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) && (txq_id != IWL39_CMD_QUEUE_NUM) && priv->mac80211_registered) - iwl_wake_queue(priv, txq_id); + iwl_wake_queue(priv, txq); } /** @@ -324,6 +325,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv, return; } + txq->time_stamp = jiffies; info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); ieee80211_tx_info_clear_status(info); @@ -1451,6 +1453,10 @@ static int iwl3945_send_tx_power(struct iwl_priv *priv) }; u16 chan; + if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), + "TX Power requested while scanning!\n")) + return -EAGAIN; + chan = le16_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.channel); txpower.band = (priv->band == IEEE80211_BAND_5GHZ) ? 0 : 1; @@ -1779,6 +1785,9 @@ int iwl3945_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) int rc = 0; bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK); + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return -EINVAL; + if (!iwl_is_alive(priv)) return -1; @@ -2722,11 +2731,9 @@ static struct iwl_lib_ops iwl3945_lib = { }, .send_tx_power = iwl3945_send_tx_power, .is_valid_rtc_data_addr = iwl3945_hw_valid_rtc_data_addr, - .post_associate = iwl3945_post_associate, - .isr = iwl_isr_legacy, - .config_ap = iwl3945_config_ap, - .manage_ibss_station = iwl3945_manage_ibss_station, - .recover_from_tx_stall = iwl_bg_monitor_recover, + .isr_ops = { + .isr = iwl_isr_legacy, + }, .check_plcp_health = iwl3945_good_plcp_health, .debugfs_ops = { @@ -2736,10 +2743,16 @@ static struct iwl_lib_ops iwl3945_lib = { }, }; +static const struct iwl_legacy_ops iwl3945_legacy_ops = { + .post_associate = iwl3945_post_associate, + .config_ap = iwl3945_config_ap, + .manage_ibss_station = iwl3945_manage_ibss_station, +}; + static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = { .get_hcmd_size = iwl3945_get_hcmd_size, .build_addsta_hcmd = iwl3945_build_addsta_hcmd, - .tx_cmd_protection = iwlcore_tx_cmd_protection, + .tx_cmd_protection = iwl_legacy_tx_cmd_protection, .request_scan = iwl3945_request_scan, .post_scan = iwl3945_post_scan, }; @@ -2749,6 +2762,8 @@ static const struct iwl_ops iwl3945_ops = { .hcmd = &iwl3945_hcmd, .utils = &iwl3945_hcmd_utils, .led = &iwl3945_led_ops, + .legacy = &iwl3945_legacy_ops, + .ieee80211_ops = &iwl3945_hw_ops, }; static struct iwl_base_params iwl3945_base_params = { @@ -2761,7 +2776,7 @@ static struct iwl_base_params iwl3945_base_params = { .led_compensation = 64, .broken_powersave = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, - .monitor_recover_period = IWL_DEF_MONITORING_PERIOD, + .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .tx_power_by_driver = true, }; @@ -2776,6 +2791,7 @@ static struct iwl_cfg iwl3945_bg_cfg = { .ops = &iwl3945_ops, .mod_params = &iwl3945_mod_params, .base_params = &iwl3945_base_params, + .led_mode = IWL_LED_BLINK, }; static struct iwl_cfg iwl3945_abg_cfg = { @@ -2788,6 +2804,7 @@ static struct iwl_cfg iwl3945_abg_cfg = { .ops = &iwl3945_ops, .mod_params = &iwl3945_mod_params, .base_params = &iwl3945_base_params, + .led_mode = IWL_LED_BLINK, }; DEFINE_PCI_DEVICE_TABLE(iwl3945_hw_card_ids) = { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index 09391f0ee61f..3eef1eb74a78 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -264,10 +264,8 @@ void iwl3945_reply_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); extern void iwl3945_disable_events(struct iwl_priv *priv); extern int iwl4965_get_temperature(const struct iwl_priv *priv); -extern void iwl3945_post_associate(struct iwl_priv *priv, - struct ieee80211_vif *vif); -extern void iwl3945_config_ap(struct iwl_priv *priv, - struct ieee80211_vif *vif); +extern void iwl3945_post_associate(struct iwl_priv *priv); +extern void iwl3945_config_ap(struct iwl_priv *priv); extern int iwl3945_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -282,6 +280,8 @@ extern int iwl3945_commit_rxon(struct iwl_priv *priv, */ extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid); +extern struct ieee80211_ops iwl3945_hw_ops; + /* * Forward declare iwl-3945.c functions for iwl-base.c */ diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index b207e3e9299f..3f1e5f1bf847 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -48,6 +48,7 @@ #include "iwl-agn-led.h" #include "iwl-agn.h" #include "iwl-agn-debugfs.h" +#include "iwl-legacy.h" static int iwl4965_send_tx_power(struct iwl_priv *priv); static int iwl4965_hw_get_temperature(struct iwl_priv *priv); @@ -1377,13 +1378,9 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv) u8 ctrl_chan_high = 0; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - if (test_bit(STATUS_SCANNING, &priv->status)) { - /* If this gets hit a lot, switch it to a BUG() and catch - * the stack trace to find out who is calling this during - * a scan. */ - IWL_WARN(priv, "TX Power requested while scanning!\n"); + if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), + "TX Power requested while scanning!\n")) return -EAGAIN; - } band = priv->band == IEEE80211_BAND_2GHZ; @@ -1447,6 +1444,142 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv, return ret; } +static int iwl4965_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + /* cast away the const for active_rxon in this function */ + struct iwl_rxon_cmd *active_rxon = (void *)&ctx->active; + int ret; + bool new_assoc = + !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); + + if (!iwl_is_alive(priv)) + return -EBUSY; + + if (!ctx->is_active) + return 0; + + /* always get timestamp with Rx frame */ + ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; + + ret = iwl_check_rxon_cmd(priv, ctx); + if (ret) { + IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n"); + return -EINVAL; + } + + /* + * receive commit_rxon request + * abort any previous channel switch if still in process + */ + if (priv->switch_rxon.switch_in_progress && + (priv->switch_rxon.channel != ctx->staging.channel)) { + IWL_DEBUG_11H(priv, "abort channel switch on %d\n", + le16_to_cpu(priv->switch_rxon.channel)); + iwl_chswitch_done(priv, false); + } + + /* If we don't need to send a full RXON, we can use + * iwl_rxon_assoc_cmd which is used to reconfigure filter + * and other flags for the current radio configuration. */ + if (!iwl_full_rxon_required(priv, ctx)) { + ret = iwl_send_rxon_assoc(priv, ctx); + if (ret) { + IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret); + return ret; + } + + memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); + iwl_print_rx_config_cmd(priv, ctx); + return 0; + } + + /* If we are currently associated and the new config requires + * an RXON_ASSOC and the new config wants the associated mask enabled, + * we must clear the associated from the active configuration + * before we apply the new config */ + if (iwl_is_associated_ctx(ctx) && new_assoc) { + IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n"); + active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; + + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, + sizeof(struct iwl_rxon_cmd), + active_rxon); + + /* If the mask clearing failed then we set + * active_rxon back to what it was previously */ + if (ret) { + active_rxon->filter_flags |= RXON_FILTER_ASSOC_MSK; + IWL_ERR(priv, "Error clearing ASSOC_MSK (%d)\n", ret); + return ret; + } + iwl_clear_ucode_stations(priv, ctx); + iwl_restore_stations(priv, ctx); + ret = iwl_restore_default_wep_keys(priv, ctx); + if (ret) { + IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); + return ret; + } + } + + IWL_DEBUG_INFO(priv, "Sending RXON\n" + "* with%s RXON_FILTER_ASSOC_MSK\n" + "* channel = %d\n" + "* bssid = %pM\n", + (new_assoc ? "" : "out"), + le16_to_cpu(ctx->staging.channel), + ctx->staging.bssid_addr); + + iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto); + + /* Apply the new configuration + * RXON unassoc clears the station table in uCode so restoration of + * stations is needed after it (the RXON command) completes + */ + if (!new_assoc) { + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, + sizeof(struct iwl_rxon_cmd), &ctx->staging); + if (ret) { + IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); + return ret; + } + IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n"); + memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); + iwl_clear_ucode_stations(priv, ctx); + iwl_restore_stations(priv, ctx); + ret = iwl_restore_default_wep_keys(priv, ctx); + if (ret) { + IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); + return ret; + } + } + if (new_assoc) { + priv->start_calib = 0; + /* Apply the new configuration + * RXON assoc doesn't clear the station table in uCode, + */ + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, + sizeof(struct iwl_rxon_cmd), &ctx->staging); + if (ret) { + IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); + return ret; + } + memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); + } + iwl_print_rx_config_cmd(priv, ctx); + + iwl_init_sensitivity(priv); + + /* If we issue a new RXON command which required a tune then we must + * send a new TXPOWER command or we won't be able to Tx any frames */ + ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + if (ret) { + IWL_ERR(priv, "Error sending TX power (%d)\n", ret); + return ret; + } + + return 0; +} + static int iwl4965_hw_channel_switch(struct iwl_priv *priv, struct ieee80211_channel_switch *ch_switch) { @@ -1554,22 +1687,6 @@ static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv *priv, } /** - * sign_extend - Sign extend a value using specified bit as sign-bit - * - * Example: sign_extend(9, 3) would return -7 as bit3 of 1001b is 1 - * and bit0..2 is 001b which when sign extended to 1111111111111001b is -7. - * - * @param oper value to sign extend - * @param index 0 based bit index (0<=index<32) to sign bit - */ -static s32 sign_extend(u32 oper, int index) -{ - u8 shift = 31 - index; - - return (s32)(oper << shift) >> shift; -} - -/** * iwl4965_hw_get_temperature - return the calibrated temperature (in Kelvin) * @statistics: Provides the temperature reading from the uCode * @@ -1606,9 +1723,9 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv) * "initialize" ALIVE response. */ if (!test_bit(STATUS_TEMPERATURE, &priv->status)) - vt = sign_extend(R4, 23); + vt = sign_extend32(R4, 23); else - vt = sign_extend(le32_to_cpu(priv->_agn.statistics. + vt = sign_extend32(le32_to_cpu(priv->_agn.statistics. general.common.temperature), 23); IWL_DEBUG_TEMP(priv, "Calib values R[1-3]: %d %d %d R4: %d\n", R1, R2, R3, vt); @@ -2081,6 +2198,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, return; } + txq->time_stamp = jiffies; info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); memset(&info->status, 0, sizeof(info->status)); @@ -2121,12 +2239,8 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark) && - (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) { - if (agg->state == IWL_AGG_OFF) - iwl_wake_queue(priv, txq_id); - else - iwl_wake_queue(priv, txq->swq_id); - } + (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) + iwl_wake_queue(priv, txq); } } else { info->status.rates[0].count = tx_resp->failure_frame + 1; @@ -2150,7 +2264,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark)) - iwl_wake_queue(priv, txq_id); + iwl_wake_queue(priv, txq); } if (qc && likely(sta_id != IWL_INVALID_STATION)) iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); @@ -2216,7 +2330,7 @@ static void iwl4965_cancel_deferred_work(struct iwl_priv *priv) static struct iwl_hcmd_ops iwl4965_hcmd = { .rxon_assoc = iwl4965_send_rxon_assoc, - .commit_rxon = iwlagn_commit_rxon, + .commit_rxon = iwl4965_commit_rxon, .set_rxon_chain = iwlagn_set_rxon_chain, .send_bt_config = iwl_send_bt_config, }; @@ -2233,12 +2347,155 @@ static void iwl4965_post_scan(struct iwl_priv *priv) iwlcore_commit_rxon(priv, ctx); } +static void iwl4965_post_associate(struct iwl_priv *priv) +{ + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct ieee80211_vif *vif = ctx->vif; + struct ieee80211_conf *conf = NULL; + int ret = 0; + + if (!vif || !priv->is_open) + return; + + if (vif->type == NL80211_IFTYPE_AP) { + IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__); + return; + } + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + iwl_scan_cancel_timeout(priv, 200); + + conf = ieee80211_get_hw_conf(priv->hw); + + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwlcore_commit_rxon(priv, ctx); + + ret = iwl_send_rxon_timing(priv, ctx); + if (ret) + IWL_WARN(priv, "RXON timing - " + "Attempting to continue.\n"); + + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; + + iwl_set_rxon_ht(priv, &priv->current_ht_config); + + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + + ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid); + + IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", + vif->bss_conf.aid, vif->bss_conf.beacon_int); + + if (vif->bss_conf.use_short_preamble) + ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; + else + ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; + + if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) { + if (vif->bss_conf.use_short_slot) + ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; + else + ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; + } + + iwlcore_commit_rxon(priv, ctx); + + IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n", + vif->bss_conf.aid, ctx->active.bssid_addr); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + break; + case NL80211_IFTYPE_ADHOC: + iwlagn_send_beacon_cmd(priv); + break; + default: + IWL_ERR(priv, "%s Should not be called in %d mode\n", + __func__, vif->type); + break; + } + + /* the chain noise calibration will enabled PM upon completion + * If chain noise has already been run, then we need to enable + * power management here */ + if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE) + iwl_power_update_mode(priv, false); + + /* Enable Rx differential gain and sensitivity calibrations */ + iwl_chain_noise_reset(priv); + priv->start_calib = 1; +} + +static void iwl4965_config_ap(struct iwl_priv *priv) +{ + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct ieee80211_vif *vif = ctx->vif; + int ret = 0; + + lockdep_assert_held(&priv->mutex); + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + /* The following should be done only at AP bring up */ + if (!iwl_is_associated_ctx(ctx)) { + + /* RXON - unassoc (to set timing command) */ + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwlcore_commit_rxon(priv, ctx); + + /* RXON Timing */ + ret = iwl_send_rxon_timing(priv, ctx); + if (ret) + IWL_WARN(priv, "RXON timing failed - " + "Attempting to continue.\n"); + + /* AP has all antennas */ + priv->chain_noise_data.active_chains = + priv->hw_params.valid_rx_ant; + iwl_set_rxon_ht(priv, &priv->current_ht_config); + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + + ctx->staging.assoc_id = 0; + + if (vif->bss_conf.use_short_preamble) + ctx->staging.flags |= + RXON_FLG_SHORT_PREAMBLE_MSK; + else + ctx->staging.flags &= + ~RXON_FLG_SHORT_PREAMBLE_MSK; + + if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) { + if (vif->bss_conf.use_short_slot) + ctx->staging.flags |= + RXON_FLG_SHORT_SLOT_MSK; + else + ctx->staging.flags &= + ~RXON_FLG_SHORT_SLOT_MSK; + } + /* need to send beacon cmd before committing assoc RXON! */ + iwlagn_send_beacon_cmd(priv); + /* restore RXON assoc */ + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; + iwlcore_commit_rxon(priv, ctx); + } + iwlagn_send_beacon_cmd(priv); + + /* FIXME - we need to add code here to detect a totally new + * configuration, reset the AP, unassoc, rxon timing, assoc, + * clear sta table, add BCAST sta... */ +} + static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = { .get_hcmd_size = iwl4965_get_hcmd_size, .build_addsta_hcmd = iwl4965_build_addsta_hcmd, .chain_noise_reset = iwl4965_chain_noise_reset, .gain_computation = iwl4965_gain_computation, - .tx_cmd_protection = iwlcore_tx_cmd_protection, + .tx_cmd_protection = iwl_legacy_tx_cmd_protection, .calc_rssi = iwl4965_calc_rssi, .request_scan = iwlagn_request_scan, .post_scan = iwl4965_post_scan, @@ -2285,14 +2542,12 @@ static struct iwl_lib_ops iwl4965_lib = { }, .send_tx_power = iwl4965_send_tx_power, .update_chain_flags = iwl_update_chain_flags, - .post_associate = iwl_post_associate, - .config_ap = iwl_config_ap, - .isr = iwl_isr_legacy, + .isr_ops = { + .isr = iwl_isr_legacy, + }, .temp_ops = { .temperature = iwl4965_temperature_calib, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -2300,15 +2555,46 @@ static struct iwl_lib_ops iwl4965_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, }; +static const struct iwl_legacy_ops iwl4965_legacy_ops = { + .post_associate = iwl4965_post_associate, + .config_ap = iwl4965_config_ap, + .manage_ibss_station = iwlagn_manage_ibss_station, + .update_bcast_stations = iwl_update_bcast_stations, +}; + +struct ieee80211_ops iwl4965_hw_ops = { + .tx = iwlagn_mac_tx, + .start = iwlagn_mac_start, + .stop = iwlagn_mac_stop, + .add_interface = iwl_mac_add_interface, + .remove_interface = iwl_mac_remove_interface, + .change_interface = iwl_mac_change_interface, + .config = iwl_legacy_mac_config, + .configure_filter = iwlagn_configure_filter, + .set_key = iwlagn_mac_set_key, + .update_tkip_key = iwlagn_mac_update_tkip_key, + .conf_tx = iwl_mac_conf_tx, + .reset_tsf = iwl_legacy_mac_reset_tsf, + .bss_info_changed = iwl_legacy_mac_bss_info_changed, + .ampdu_action = iwlagn_mac_ampdu_action, + .hw_scan = iwl_mac_hw_scan, + .sta_add = iwlagn_mac_sta_add, + .sta_remove = iwl_mac_sta_remove, + .channel_switch = iwlagn_mac_channel_switch, + .flush = iwlagn_mac_flush, + .tx_last_beacon = iwl_mac_tx_last_beacon, +}; + static const struct iwl_ops iwl4965_ops = { .lib = &iwl4965_lib, .hcmd = &iwl4965_hcmd, .utils = &iwl4965_hcmd_utils, .led = &iwlagn_led_ops, + .legacy = &iwl4965_legacy_ops, + .ieee80211_ops = &iwl4965_hw_ops, }; static struct iwl_base_params iwl4965_base_params = { @@ -2323,13 +2609,14 @@ static struct iwl_base_params iwl4965_base_params = { .led_compensation = 61, .chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .monitor_recover_period = IWL_DEF_MONITORING_PERIOD, + .wd_timeout = IWL_DEF_WD_TIMEOUT, .temperature_kelvin = true, .max_event_log_size = 512, .tx_power_by_driver = true, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, + .no_agg_framecnt_info = true, }; struct iwl_cfg iwl4965_agn_cfg = { @@ -2337,7 +2624,6 @@ struct iwl_cfg iwl4965_agn_cfg = { .fw_name_pre = IWL4965_FW_PRE, .ucode_api_max = IWL4965_UCODE_API_MAX, .ucode_api_min = IWL4965_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_ABC, .eeprom_ver = EEPROM_4965_EEPROM_VERSION, @@ -2345,6 +2631,7 @@ struct iwl_cfg iwl4965_agn_cfg = { .ops = &iwl4965_ops, .mod_params = &iwlagn_mod_params, .base_params = &iwl4965_base_params, + .led_mode = IWL_LED_BLINK, /* * Force use of chains B and C for scan RX on 5 GHz band * because the device has off-channel reception on chain A. diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index fd9fbc93ea1b..79ab0a6b1386 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -385,14 +385,16 @@ static struct iwl_lib_ops iwl5000_lib = { .calib_version = iwlagn_eeprom_calib_version, .query_addr = iwlagn_eeprom_query_addr, }, - .post_associate = iwl_post_associate, - .isr = iwl_isr_ict, - .config_ap = iwl_config_ap, + .isr_ops = { + .isr = iwl_isr_ict, + .free = iwl_free_isr_ict, + .alloc = iwl_alloc_isr_ict, + .reset = iwl_reset_ict, + .disable = iwl_disable_ict, + }, .temp_ops = { .temperature = iwlagn_temperature, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -400,7 +402,6 @@ static struct iwl_lib_ops iwl5000_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, .txfifo_flush = iwlagn_txfifo_flush, @@ -453,14 +454,16 @@ static struct iwl_lib_ops iwl5150_lib = { .calib_version = iwlagn_eeprom_calib_version, .query_addr = iwlagn_eeprom_query_addr, }, - .post_associate = iwl_post_associate, - .isr = iwl_isr_ict, - .config_ap = iwl_config_ap, + .isr_ops = { + .isr = iwl_isr_ict, + .free = iwl_free_isr_ict, + .alloc = iwl_alloc_isr_ict, + .reset = iwl_reset_ict, + .disable = iwl_disable_ict, + }, .temp_ops = { .temperature = iwl5150_temperature, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -468,7 +471,6 @@ static struct iwl_lib_ops iwl5150_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, .txfifo_flush = iwlagn_txfifo_flush, @@ -485,6 +487,7 @@ static const struct iwl_ops iwl5000_ops = { .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static const struct iwl_ops iwl5150_ops = { @@ -492,6 +495,7 @@ static const struct iwl_ops iwl5150_ops = { .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static struct iwl_base_params iwl5000_base_params = { @@ -505,7 +509,7 @@ static struct iwl_base_params iwl5000_base_params = { .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, .chain_noise_scale = 1000, - .monitor_recover_period = IWL_LONG_MONITORING_PERIOD, + .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .ucode_tracing = true, .sensitivity_calib_by_driver = true, @@ -516,66 +520,43 @@ static struct iwl_ht_params iwl5000_ht_params = { .use_rts_for_aggregation = true, /* use rts/cts protection */ }; +#define IWL_DEVICE_5000 \ + .fw_name_pre = IWL5000_FW_PRE, \ + .ucode_api_max = IWL5000_UCODE_API_MAX, \ + .ucode_api_min = IWL5000_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_5000_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \ + .ops = &iwl5000_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl5000_base_params, \ + .led_mode = IWL_LED_BLINK + struct iwl_cfg iwl5300_agn_cfg = { .name = "Intel(R) Ultimate N WiFi Link 5300 AGN", - .fw_name_pre = IWL5000_FW_PRE, - .ucode_api_max = IWL5000_UCODE_API_MAX, - .ucode_api_min = IWL5000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_ABC, - .valid_rx_ant = ANT_ABC, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .ops = &iwl5000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, + IWL_DEVICE_5000, .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5100_bgn_cfg = { .name = "Intel(R) WiFi Link 5100 BGN", - .fw_name_pre = IWL5000_FW_PRE, - .ucode_api_max = IWL5000_UCODE_API_MAX, - .ucode_api_min = IWL5000_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_B, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .ops = &iwl5000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, + IWL_DEVICE_5000, + .valid_tx_ant = ANT_B, /* .cfg overwrite */ + .valid_rx_ant = ANT_AB, /* .cfg overwrite */ .ht_params = &iwl5000_ht_params, }; struct iwl_cfg iwl5100_abg_cfg = { .name = "Intel(R) WiFi Link 5100 ABG", - .fw_name_pre = IWL5000_FW_PRE, - .ucode_api_max = IWL5000_UCODE_API_MAX, - .ucode_api_min = IWL5000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_B, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .ops = &iwl5000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, + IWL_DEVICE_5000, + .valid_tx_ant = ANT_B, /* .cfg overwrite */ + .valid_rx_ant = ANT_AB, /* .cfg overwrite */ }; struct iwl_cfg iwl5100_agn_cfg = { .name = "Intel(R) WiFi Link 5100 AGN", - .fw_name_pre = IWL5000_FW_PRE, - .ucode_api_max = IWL5000_UCODE_API_MAX, - .ucode_api_min = IWL5000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_B, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .ops = &iwl5000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, + IWL_DEVICE_5000, + .valid_tx_ant = ANT_B, /* .cfg overwrite */ + .valid_rx_ant = ANT_AB, /* .cfg overwrite */ .ht_params = &iwl5000_ht_params, }; @@ -584,48 +565,39 @@ struct iwl_cfg iwl5350_agn_cfg = { .fw_name_pre = IWL5000_FW_PRE, .ucode_api_max = IWL5000_UCODE_API_MAX, .ucode_api_min = IWL5000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_ABC, - .valid_rx_ant = ANT_ABC, .eeprom_ver = EEPROM_5050_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, .ops = &iwl5000_ops, .mod_params = &iwlagn_mod_params, .base_params = &iwl5000_base_params, .ht_params = &iwl5000_ht_params, + .led_mode = IWL_LED_BLINK, + .internal_wimax_coex = true, }; +#define IWL_DEVICE_5150 \ + .fw_name_pre = IWL5150_FW_PRE, \ + .ucode_api_max = IWL5150_UCODE_API_MAX, \ + .ucode_api_min = IWL5150_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_5050_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \ + .ops = &iwl5150_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl5000_base_params, \ + .need_dc_calib = true, \ + .led_mode = IWL_LED_BLINK, \ + .internal_wimax_coex = true + struct iwl_cfg iwl5150_agn_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 AGN", - .fw_name_pre = IWL5150_FW_PRE, - .ucode_api_max = IWL5150_UCODE_API_MAX, - .ucode_api_min = IWL5150_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_5050_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, - .ops = &iwl5150_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, + IWL_DEVICE_5150, .ht_params = &iwl5000_ht_params, - .need_dc_calib = true, + }; struct iwl_cfg iwl5150_abg_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 ABG", - .fw_name_pre = IWL5150_FW_PRE, - .ucode_api_max = IWL5150_UCODE_API_MAX, - .ucode_api_min = IWL5150_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_5050_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, - .ops = &iwl5150_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl5000_base_params, - .need_dc_calib = true, + IWL_DEVICE_5150, }; MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 11e6532fc573..af505bcd7ae0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -53,13 +53,11 @@ #define IWL6000_UCODE_API_MAX 4 #define IWL6050_UCODE_API_MAX 5 #define IWL6000G2_UCODE_API_MAX 5 -#define IWL130_UCODE_API_MAX 5 /* Lowest firmware API version supported */ #define IWL6000_UCODE_API_MIN 4 #define IWL6050_UCODE_API_MIN 4 #define IWL6000G2_UCODE_API_MIN 4 -#define IWL130_UCODE_API_MIN 5 #define IWL6000_FW_PRE "iwlwifi-6000-" #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode" @@ -77,10 +75,6 @@ #define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode" #define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api) -#define IWL130_FW_PRE "iwlwifi-130-" -#define _IWL130_MODULE_FIRMWARE(api) IWL130_FW_PRE #api ".ucode" -#define IWL130_MODULE_FIRMWARE(api) _IWL130_MODULE_FIRMWARE(api) - static void iwl6000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ @@ -188,7 +182,11 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; 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); + if (priv->cfg->rx_with_siso_diversity) + priv->hw_params.rx_chains_num = 1; + else + 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; @@ -328,14 +326,16 @@ static struct iwl_lib_ops iwl6000_lib = { .query_addr = iwlagn_eeprom_query_addr, .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, }, - .post_associate = iwl_post_associate, - .isr = iwl_isr_ict, - .config_ap = iwl_config_ap, + .isr_ops = { + .isr = iwl_isr_ict, + .free = iwl_free_isr_ict, + .alloc = iwl_alloc_isr_ict, + .reset = iwl_reset_ict, + .disable = iwl_disable_ict, + }, .temp_ops = { .temperature = iwlagn_temperature, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -343,7 +343,6 @@ static struct iwl_lib_ops iwl6000_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, .txfifo_flush = iwlagn_txfifo_flush, @@ -399,14 +398,16 @@ static struct iwl_lib_ops iwl6000g2b_lib = { .query_addr = iwlagn_eeprom_query_addr, .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower, }, - .post_associate = iwl_post_associate, - .isr = iwl_isr_ict, - .config_ap = iwl_config_ap, + .isr_ops = { + .isr = iwl_isr_ict, + .free = iwl_free_isr_ict, + .alloc = iwl_alloc_isr_ict, + .reset = iwl_reset_ict, + .disable = iwl_disable_ict, + }, .temp_ops = { .temperature = iwlagn_temperature, }, - .manage_ibss_station = iwlagn_manage_ibss_station, - .update_bcast_stations = iwl_update_bcast_stations, .debugfs_ops = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, @@ -414,7 +415,6 @@ static struct iwl_lib_ops iwl6000g2b_lib = { .bt_stats_read = iwl_ucode_bt_stats_read, .reply_tx_error = iwl_reply_tx_error_read, }, - .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, .txfifo_flush = iwlagn_txfifo_flush, @@ -439,6 +439,7 @@ static const struct iwl_ops iwl6000_ops = { .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static const struct iwl_ops iwl6050_ops = { @@ -447,6 +448,7 @@ static const struct iwl_ops iwl6050_ops = { .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, .nic = &iwl6050_nic_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static const struct iwl_ops iwl6050g2_ops = { @@ -455,6 +457,7 @@ static const struct iwl_ops iwl6050g2_ops = { .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, .nic = &iwl6050g2_nic_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static const struct iwl_ops iwl6000g2b_ops = { @@ -462,6 +465,7 @@ static const struct iwl_ops iwl6000g2b_ops = { .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, .led = &iwlagn_led_ops, + .ieee80211_ops = &iwlagn_hw_ops, }; static struct iwl_base_params iwl6000_base_params = { @@ -480,11 +484,12 @@ static struct iwl_base_params iwl6000_base_params = { .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, .chain_noise_scale = 1000, - .monitor_recover_period = IWL_DEF_MONITORING_PERIOD, + .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, + .shadow_reg_enable = true, }; static struct iwl_base_params iwl6050_base_params = { @@ -503,13 +508,14 @@ static struct iwl_base_params iwl6050_base_params = { .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, .chain_noise_scale = 1500, - .monitor_recover_period = IWL_DEF_MONITORING_PERIOD, + .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 1024, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, + .shadow_reg_enable = true, }; -static struct iwl_base_params iwl6000_coex_base_params = { +static struct iwl_base_params iwl6000_g2_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -518,18 +524,19 @@ static struct iwl_base_params iwl6000_coex_base_params = { .use_bsm = false, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, - .led_compensation = 51, + .led_compensation = 57, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, .chain_noise_scale = 1000, - .monitor_recover_period = IWL_LONG_MONITORING_PERIOD, + .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, + .shadow_reg_enable = true, }; static struct iwl_ht_params iwl6000_ht_params = { @@ -541,262 +548,164 @@ static struct iwl_bt_params iwl6000_bt_params = { .bt_statistics = true, /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ .advanced_bt_coexist = true, + .agg_time_limit = BT_AGG_THRESHOLD_DEF, .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT, + .bt_sco_disable = true, +}; + +#define IWL_DEVICE_6005 \ + .fw_name_pre = IWL6000G2A_FW_PRE, \ + .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ + .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, \ + .ops = &iwl6000_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl6000_g2_base_params, \ + .need_dc_calib = true, \ + .need_temp_offset_calib = true, \ + .led_mode = IWL_LED_RF_STATE + +struct iwl_cfg iwl6005_2agn_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6205 AGN", + IWL_DEVICE_6005, + .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6000g2a_2agn_cfg = { - .name = "6000 Series 2x2 AGN Gen2a", - .fw_name_pre = IWL6000G2A_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, +struct iwl_cfg iwl6005_2abg_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6205 ABG", + IWL_DEVICE_6005, +}; + +struct iwl_cfg iwl6005_2bg_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6205 BG", + IWL_DEVICE_6005, +}; + +#define IWL_DEVICE_6030 \ + .fw_name_pre = IWL6000G2B_FW_PRE, \ + .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ + .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ + .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, \ + .ops = &iwl6000g2b_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl6000_g2_base_params, \ + .bt_params = &iwl6000_bt_params, \ + .need_dc_calib = true, \ + .need_temp_offset_calib = true, \ + .led_mode = IWL_LED_RF_STATE, \ + .adv_pm = true \ + +struct iwl_cfg iwl6030_2agn_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN", + IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, -}; - -struct iwl_cfg iwl6000g2a_2abg_cfg = { - .name = "6000 Series 2x2 ABG Gen2a", - .fw_name_pre = IWL6000G2A_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, -}; - -struct iwl_cfg iwl6000g2a_2bg_cfg = { - .name = "6000 Series 2x2 BG Gen2a", - .fw_name_pre = IWL6000G2A_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, -}; - -struct iwl_cfg iwl6000g2b_2agn_cfg = { - .name = "6000 Series 2x2 AGN Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, +}; + +struct iwl_cfg iwl6030_2abg_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6230 ABG", + IWL_DEVICE_6030, +}; + +struct iwl_cfg iwl6030_2bgn_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6230 BGN", + IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl6000g2b_2abg_cfg = { - .name = "6000 Series 2x2 ABG Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl6000g2b_2bgn_cfg = { - .name = "6000 Series 2x2 BGN Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, +}; + +struct iwl_cfg iwl6030_2bg_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6230 BG", + IWL_DEVICE_6030, +}; + +struct iwl_cfg iwl1030_bgn_cfg = { + .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN", + IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl6000g2b_2bg_cfg = { - .name = "6000 Series 2x2 BG Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl6000g2b_bgn_cfg = { - .name = "6000 Series 1x2 BGN Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, +}; + +struct iwl_cfg iwl1030_bg_cfg = { + .name = "Intel(R) Centrino(R) Wireless-N 1030 BG", + IWL_DEVICE_6030, +}; + +struct iwl_cfg iwl130_bgn_cfg = { + .name = "Intel(R) Centrino(R) Wireless-N 130 BGN", + IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl6000g2b_bg_cfg = { - .name = "6000 Series 1x2 BG Gen2b", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL6000G2_UCODE_API_MAX, - .ucode_api_min = IWL6000G2_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, - .need_dc_calib = true, - .need_temp_offset_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, + .rx_with_siso_diversity = true, +}; + +struct iwl_cfg iwl130_bg_cfg = { + .name = "Intel(R) Centrino(R) Wireless-N 130 BG", + IWL_DEVICE_6030, + .rx_with_siso_diversity = true, }; /* * "i": Internal configuration, use internal Power Amplifier */ +#define IWL_DEVICE_6000i \ + .fw_name_pre = IWL6000_FW_PRE, \ + .ucode_api_max = IWL6000_UCODE_API_MAX, \ + .ucode_api_min = IWL6000_UCODE_API_MIN, \ + .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \ + .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \ + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \ + .ops = &iwl6000_ops, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl6000_base_params, \ + .pa_type = IWL_PA_INTERNAL, \ + .led_mode = IWL_LED_BLINK + struct iwl_cfg iwl6000i_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 AGN", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_BC, - .valid_rx_ant = ANT_BC, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, + IWL_DEVICE_6000i, .ht_params = &iwl6000_ht_params, - .pa_type = IWL_PA_INTERNAL, }; struct iwl_cfg iwl6000i_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 ABG", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_BC, - .valid_rx_ant = ANT_BC, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, - .pa_type = IWL_PA_INTERNAL, + IWL_DEVICE_6000i, }; struct iwl_cfg iwl6000i_2bg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 BG", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_BC, - .valid_rx_ant = ANT_BC, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, - .ops = &iwl6000_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_base_params, - .pa_type = IWL_PA_INTERNAL, -}; + IWL_DEVICE_6000i, +}; + +#define IWL_DEVICE_6050 \ + .fw_name_pre = IWL6050_FW_PRE, \ + .ucode_api_max = IWL6050_UCODE_API_MAX, \ + .ucode_api_min = IWL6050_UCODE_API_MIN, \ + .ops = &iwl6050_ops, \ + .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \ + .mod_params = &iwlagn_mod_params, \ + .base_params = &iwl6050_base_params, \ + .need_dc_calib = true, \ + .led_mode = IWL_LED_BLINK, \ + .internal_wimax_coex = true struct iwl_cfg iwl6050_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN", - .fw_name_pre = IWL6050_FW_PRE, - .ucode_api_max = IWL6050_UCODE_API_MAX, - .ucode_api_min = IWL6050_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .ops = &iwl6050_ops, - .eeprom_ver = EEPROM_6050_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6050_base_params, + IWL_DEVICE_6050, .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, }; -struct iwl_cfg iwl6050g2_bgn_cfg = { - .name = "6050 Series 1x2 BGN Gen2", +struct iwl_cfg iwl6050_2abg_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG", + IWL_DEVICE_6050, +}; + +struct iwl_cfg iwl6150_bgn_cfg = { + .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN", .fw_name_pre = IWL6050_FW_PRE, .ucode_api_max = IWL6050_UCODE_API_MAX, .ucode_api_min = IWL6050_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_AB, .eeprom_ver = EEPROM_6050G2_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION, .ops = &iwl6050g2_ops, @@ -804,22 +713,8 @@ struct iwl_cfg iwl6050g2_bgn_cfg = { .base_params = &iwl6050_base_params, .ht_params = &iwl6000_ht_params, .need_dc_calib = true, -}; - -struct iwl_cfg iwl6050_2abg_cfg = { - .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG", - .fw_name_pre = IWL6050_FW_PRE, - .ucode_api_max = IWL6050_UCODE_API_MAX, - .ucode_api_min = IWL6050_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .eeprom_ver = EEPROM_6050_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, - .ops = &iwl6050_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6050_base_params, - .need_dc_calib = true, + .led_mode = IWL_LED_RF_STATE, + .internal_wimax_coex = true, }; struct iwl_cfg iwl6000_3agn_cfg = { @@ -827,9 +722,6 @@ struct iwl_cfg iwl6000_3agn_cfg = { .fw_name_pre = IWL6000_FW_PRE, .ucode_api_max = IWL6000_UCODE_API_MAX, .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_ABC, - .valid_rx_ant = ANT_ABC, .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, .ops = &iwl6000_ops, @@ -837,49 +729,10 @@ struct iwl_cfg iwl6000_3agn_cfg = { .base_params = &iwl6000_base_params, .ht_params = &iwl6000_ht_params, .need_dc_calib = true, -}; - -struct iwl_cfg iwl130_bgn_cfg = { - .name = "Intel(R) 130 Series 1x1 BGN", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL130_UCODE_API_MAX, - .ucode_api_min = IWL130_UCODE_API_MIN, - .sku = IWL_SKU_G|IWL_SKU_N, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_A, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, - .ht_params = &iwl6000_ht_params, - .need_dc_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, -}; - -struct iwl_cfg iwl130_bg_cfg = { - .name = "Intel(R) 130 Series 1x2 BG", - .fw_name_pre = IWL6000G2B_FW_PRE, - .ucode_api_max = IWL130_UCODE_API_MAX, - .ucode_api_min = IWL130_UCODE_API_MIN, - .sku = IWL_SKU_G, - .valid_tx_ant = ANT_A, - .valid_rx_ant = ANT_A, - .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, - .ops = &iwl6000g2b_ops, - .mod_params = &iwlagn_mod_params, - .base_params = &iwl6000_coex_base_params, - .bt_params = &iwl6000_bt_params, - .need_dc_calib = true, - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A, + .led_mode = IWL_LED_BLINK, }; MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX)); -MODULE_FIRMWARE(IWL130_MODULE_FIRMWARE(IWL130_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index e2019e756936..d16bb5ede014 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -732,8 +732,122 @@ static inline u8 find_first_chain(u8 mask) return CHAIN_C; } +/** + * Run disconnected antenna algorithm to find out which antennas are + * disconnected. + */ +static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig, + struct iwl_chain_noise_data *data) +{ + u32 active_chains = 0; + u32 max_average_sig; + u16 max_average_sig_antenna_i; + u8 num_tx_chains; + u8 first_chain; + u16 i = 0; + + average_sig[0] = data->chain_signal_a / + priv->cfg->base_params->chain_noise_num_beacons; + average_sig[1] = data->chain_signal_b / + priv->cfg->base_params->chain_noise_num_beacons; + average_sig[2] = data->chain_signal_c / + priv->cfg->base_params->chain_noise_num_beacons; + + if (average_sig[0] >= average_sig[1]) { + max_average_sig = average_sig[0]; + max_average_sig_antenna_i = 0; + active_chains = (1 << max_average_sig_antenna_i); + } else { + max_average_sig = average_sig[1]; + max_average_sig_antenna_i = 1; + active_chains = (1 << max_average_sig_antenna_i); + } + + if (average_sig[2] >= max_average_sig) { + max_average_sig = average_sig[2]; + max_average_sig_antenna_i = 2; + active_chains = (1 << max_average_sig_antenna_i); + } + + IWL_DEBUG_CALIB(priv, "average_sig: a %d b %d c %d\n", + average_sig[0], average_sig[1], average_sig[2]); + IWL_DEBUG_CALIB(priv, "max_average_sig = %d, antenna %d\n", + max_average_sig, max_average_sig_antenna_i); + + /* Compare signal strengths for all 3 receivers. */ + for (i = 0; i < NUM_RX_CHAINS; i++) { + if (i != max_average_sig_antenna_i) { + s32 rssi_delta = (max_average_sig - average_sig[i]); + + /* If signal is very weak, compared with + * strongest, mark it as disconnected. */ + if (rssi_delta > MAXIMUM_ALLOWED_PATHLOSS) + data->disconn_array[i] = 1; + else + active_chains |= (1 << i); + IWL_DEBUG_CALIB(priv, "i = %d rssiDelta = %d " + "disconn_array[i] = %d\n", + i, rssi_delta, data->disconn_array[i]); + } + } + + /* + * The above algorithm sometimes fails when the ucode + * reports 0 for all chains. It's not clear why that + * happens to start with, but it is then causing trouble + * because this can make us enable more chains than the + * hardware really has. + * + * To be safe, simply mask out any chains that we know + * are not on the device. + */ + active_chains &= priv->hw_params.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)) + 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 && + data->disconn_array[i]) { + /* + * If all chains are disconnected + * connect the first valid tx chain + */ + first_chain = + find_first_chain(priv->cfg->valid_tx_ant); + data->disconn_array[first_chain] = 0; + active_chains |= BIT(first_chain); + IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected \ + W/A - declare %d as connected\n", + first_chain); + break; + } + } + + if (active_chains != priv->hw_params.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); + + /* Save for use within RXON, TX, SCAN commands, etc. */ + data->active_chains = active_chains; + IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n", + active_chains); +} + + /* - * Accumulate 20 beacons of signal and noise statistics for each of + * Accumulate 16 beacons of signal and noise statistics for each of * 3 receivers/antennas/rx-chains, then figure out: * 1) Which antennas are connected. * 2) Differential rx gain settings to balance the 3 receivers. @@ -750,8 +864,6 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp) u32 chain_sig_c; u32 average_sig[NUM_RX_CHAINS] = {INITIALIZATION_VALUE}; u32 average_noise[NUM_RX_CHAINS] = {INITIALIZATION_VALUE}; - u32 max_average_sig; - u16 max_average_sig_antenna_i; u32 min_average_noise = MIN_AVERAGE_NOISE_MAX_VALUE; u16 min_average_noise_antenna_i = INITIALIZATION_VALUE; u16 i = 0; @@ -759,11 +871,9 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp) u16 stat_chnum = INITIALIZATION_VALUE; u8 rxon_band24; u8 stat_band24; - u32 active_chains = 0; - u8 num_tx_chains; unsigned long flags; struct statistics_rx_non_phy *rx_info; - u8 first_chain; + /* * MULTI-FIXME: * When we support multiple interfaces on different channels, @@ -869,108 +979,16 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp) return; /* Analyze signal for disconnected antenna */ - average_sig[0] = data->chain_signal_a / - priv->cfg->base_params->chain_noise_num_beacons; - average_sig[1] = data->chain_signal_b / - priv->cfg->base_params->chain_noise_num_beacons; - average_sig[2] = data->chain_signal_c / - priv->cfg->base_params->chain_noise_num_beacons; - - if (average_sig[0] >= average_sig[1]) { - max_average_sig = average_sig[0]; - max_average_sig_antenna_i = 0; - active_chains = (1 << max_average_sig_antenna_i); - } else { - max_average_sig = average_sig[1]; - max_average_sig_antenna_i = 1; - active_chains = (1 << max_average_sig_antenna_i); - } - - if (average_sig[2] >= max_average_sig) { - max_average_sig = average_sig[2]; - max_average_sig_antenna_i = 2; - active_chains = (1 << max_average_sig_antenna_i); - } - - IWL_DEBUG_CALIB(priv, "average_sig: a %d b %d c %d\n", - average_sig[0], average_sig[1], average_sig[2]); - IWL_DEBUG_CALIB(priv, "max_average_sig = %d, antenna %d\n", - max_average_sig, max_average_sig_antenna_i); - - /* Compare signal strengths for all 3 receivers. */ - for (i = 0; i < NUM_RX_CHAINS; i++) { - if (i != max_average_sig_antenna_i) { - s32 rssi_delta = (max_average_sig - average_sig[i]); - - /* If signal is very weak, compared with - * strongest, mark it as disconnected. */ - if (rssi_delta > MAXIMUM_ALLOWED_PATHLOSS) - data->disconn_array[i] = 1; - else - active_chains |= (1 << i); - IWL_DEBUG_CALIB(priv, "i = %d rssiDelta = %d " - "disconn_array[i] = %d\n", - i, rssi_delta, data->disconn_array[i]); - } - } - - /* - * The above algorithm sometimes fails when the ucode - * reports 0 for all chains. It's not clear why that - * happens to start with, but it is then causing trouble - * because this can make us enable more chains than the - * hardware really has. - * - * To be safe, simply mask out any chains that we know - * are not on the device. - */ if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && - priv->bt_full_concurrent) { - /* operated as 1x1 in full concurrency mode */ - active_chains &= first_antenna(priv->hw_params.valid_rx_ant); + 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; + for (i = 0; i < NUM_RX_CHAINS; i++) + if (!(data->active_chains & (1<<i))) + data->disconn_array[i] = 1; } else - active_chains &= priv->hw_params.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)) - 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 && - data->disconn_array[i]) { - /* - * If all chains are disconnected - * connect the first valid tx chain - */ - first_chain = - find_first_chain(priv->cfg->valid_tx_ant); - data->disconn_array[first_chain] = 0; - active_chains |= BIT(first_chain); - IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - declare %d as connected\n", - first_chain); - break; - } - } - - if (active_chains != priv->hw_params.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); - - /* Save for use within RXON, TX, SCAN commands, etc. */ - priv->chain_noise_data.active_chains = active_chains; - IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n", - active_chains); + iwl_find_disconn_antenna(priv, average_sig, data); /* Analyze noise for rx balance */ average_noise[0] = data->chain_noise_a / diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c index a358d4334a1a..a6dbd8983dac 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c @@ -856,6 +856,9 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file, if (!iwl_is_alive(priv)) return -EAGAIN; + if (!priv->bt_enable_flag) + return -EINVAL; + /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); ret = iwl_send_statistics_request(priv, CMD_SYNC, false); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c index a650baba0809..97906dd442e6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c @@ -75,109 +75,6 @@ #include "iwl-agn.h" #include "iwl-io.h" -/************************** EEPROM BANDS **************************** - * - * The iwl_eeprom_band definitions below provide the mapping from the - * EEPROM contents to the specific channel number supported for each - * band. - * - * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3 - * definition below maps to physical channel 42 in the 5.2GHz spectrum. - * The specific geography and calibration information for that channel - * is contained in the eeprom map itself. - * - * During init, we copy the eeprom information and channel map - * information into priv->channel_info_24/52 and priv->channel_map_24/52 - * - * channel_map_24/52 provides the index in the channel_info array for a - * given channel. We have to have two separate maps as there is channel - * overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and - * band_2 - * - * A value of 0xff stored in the channel_map indicates that the channel - * is not supported by the hardware at all. - * - * A value of 0xfe in the channel_map indicates that the channel is not - * valid for Tx with the current hardware. This means that - * while the system can tune and receive on a given channel, it may not - * be able to associate or transmit any frames on that - * channel. There is no corresponding channel information for that - * entry. - * - *********************************************************************/ - -/** - * struct iwl_txpwr_section: eeprom section information - * @offset: indirect address into eeprom image - * @count: number of "struct iwl_eeprom_enhanced_txpwr" in this section - * @band: band type for the section - * @is_common - true: common section, false: channel section - * @is_cck - true: cck section, false: not cck section - * @is_ht_40 - true: all channel in the section are HT40 channel, - * false: legacy or HT 20 MHz - * ignore if it is common section - * @iwl_eeprom_section_channel: channel array in the section, - * ignore if common section - */ -struct iwl_txpwr_section { - u32 offset; - u8 count; - enum ieee80211_band band; - bool is_common; - bool is_cck; - bool is_ht40; - u8 iwl_eeprom_section_channel[EEPROM_MAX_TXPOWER_SECTION_ELEMENTS]; -}; - -/** - * section 1 - 3 are regulatory tx power apply to all channels based on - * modulation: CCK, OFDM - * Band: 2.4GHz, 5.2GHz - * section 4 - 10 are regulatory tx power apply to specified channels - * For example: - * 1L - Channel 1 Legacy - * 1HT - Channel 1 HT - * (1,+1) - Channel 1 HT40 "_above_" - * - * Section 1: all CCK channels - * Section 2: all 2.4 GHz OFDM (Legacy, HT and HT40) channels - * Section 3: all 5.2 GHz OFDM (Legacy, HT and HT40) channels - * Section 4: 2.4 GHz 20MHz channels: 1L, 1HT, 2L, 2HT, 10L, 10HT, 11L, 11HT - * Section 5: 2.4 GHz 40MHz channels: (1,+1) (2,+1) (6,+1) (7,+1) (9,+1) - * Section 6: 5.2 GHz 20MHz channels: 36L, 64L, 100L, 36HT, 64HT, 100HT - * Section 7: 5.2 GHz 40MHz channels: (36,+1) (60,+1) (100,+1) - * Section 8: 2.4 GHz channel: 13L, 13HT - * Section 9: 2.4 GHz channel: 140L, 140HT - * Section 10: 2.4 GHz 40MHz channels: (132,+1) (44,+1) - * - */ -static const struct iwl_txpwr_section enhinfo[] = { - { EEPROM_LB_CCK_20_COMMON, 1, IEEE80211_BAND_2GHZ, true, true, false }, - { EEPROM_LB_OFDM_COMMON, 3, IEEE80211_BAND_2GHZ, true, false, false }, - { EEPROM_HB_OFDM_COMMON, 3, IEEE80211_BAND_5GHZ, true, false, false }, - { EEPROM_LB_OFDM_20_BAND, 8, IEEE80211_BAND_2GHZ, - false, false, false, - {1, 1, 2, 2, 10, 10, 11, 11 } }, - { EEPROM_LB_OFDM_HT40_BAND, 5, IEEE80211_BAND_2GHZ, - false, false, true, - { 1, 2, 6, 7, 9 } }, - { EEPROM_HB_OFDM_20_BAND, 6, IEEE80211_BAND_5GHZ, - false, false, false, - { 36, 64, 100, 36, 64, 100 } }, - { EEPROM_HB_OFDM_HT40_BAND, 3, IEEE80211_BAND_5GHZ, - false, false, true, - { 36, 60, 100 } }, - { EEPROM_LB_OFDM_20_CHANNEL_13, 2, IEEE80211_BAND_2GHZ, - false, false, false, - { 13, 13 } }, - { EEPROM_HB_OFDM_20_CHANNEL_140, 2, IEEE80211_BAND_5GHZ, - false, false, false, - { 140, 140 } }, - { EEPROM_HB_OFDM_HT40_BAND_1, 2, IEEE80211_BAND_5GHZ, - false, false, true, - { 132, 44 } }, -}; - /****************************************************************************** * * EEPROM related functions @@ -248,6 +145,47 @@ err: } +int iwl_eeprom_check_sku(struct iwl_priv *priv) +{ + u16 eeprom_sku; + u16 radio_cfg; + + eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP); + + priv->cfg->sku = ((eeprom_sku & EEPROM_SKU_CAP_BAND_SELECTION) >> + EEPROM_SKU_CAP_BAND_POS); + if (eeprom_sku & EEPROM_SKU_CAP_11N_ENABLE) + priv->cfg->sku |= IWL_SKU_N; + + if (!priv->cfg->sku) { + IWL_ERR(priv, "Invalid device sku\n"); + return -EINVAL; + } + + IWL_INFO(priv, "Device SKU: 0X%x\n", priv->cfg->sku); + + if (!priv->cfg->valid_tx_ant && !priv->cfg->valid_rx_ant) { + /* not using .cfg overwrite */ + radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); + priv->cfg->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); + priv->cfg->valid_rx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); + if (!priv->cfg->valid_tx_ant || !priv->cfg->valid_rx_ant) { + IWL_ERR(priv, "Invalid chain (0X%x, 0X%x)\n", + priv->cfg->valid_tx_ant, + priv->cfg->valid_rx_ant); + return -EINVAL; + } + IWL_INFO(priv, "Valid Tx ant: 0X%x, Valid Rx ant: 0X%x\n", + priv->cfg->valid_tx_ant, priv->cfg->valid_rx_ant); + } + /* + * for some special cases, + * EEPROM did not reflect the correct antenna setting + * so overwrite the valid tx/rx antenna from .cfg + */ + return 0; +} + void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac) { const u8 *addr = priv->cfg->ops->lib->eeprom_ops.query_addr(priv, @@ -265,15 +203,6 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, { s8 max_txpower_avg = 0; /* (dBm) */ - IWL_DEBUG_INFO(priv, "%d - " - "chain_a: %d dB chain_b: %d dB " - "chain_c: %d dB mimo2: %d dB mimo3: %d dB\n", - element, - enhanced_txpower[element].chain_a_max >> 1, - enhanced_txpower[element].chain_b_max >> 1, - enhanced_txpower[element].chain_c_max >> 1, - enhanced_txpower[element].mimo2_max >> 1, - enhanced_txpower[element].mimo3_max >> 1); /* Take the highest tx power from any valid chains */ if ((priv->cfg->valid_tx_ant & ANT_A) && (enhanced_txpower[element].chain_a_max > max_txpower_avg)) @@ -303,152 +232,106 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, return (max_txpower_avg & 0x01) + (max_txpower_avg >> 1); } -/** - * iwl_update_common_txpower: update channel tx power - * update tx power per band based on EEPROM enhanced tx power info. - */ -static s8 iwl_update_common_txpower(struct iwl_priv *priv, - struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, - int section, int element, s8 *max_txpower_in_half_dbm) +static void +iwlcore_eeprom_enh_txp_read_element(struct iwl_priv *priv, + struct iwl_eeprom_enhanced_txpwr *txp, + s8 max_txpower_avg) { - struct iwl_channel_info *ch_info; - int ch; - bool is_ht40 = false; - s8 max_txpower_avg; /* (dBm) */ - - /* it is common section, contain all type (Legacy, HT and HT40) - * based on the element in the section to determine - * is it HT 40 or not - */ - if (element == EEPROM_TXPOWER_COMMON_HT40_INDEX) - is_ht40 = true; - max_txpower_avg = - iwl_get_max_txpower_avg(priv, enhanced_txpower, - element, max_txpower_in_half_dbm); - - ch_info = priv->channel_info; - - for (ch = 0; ch < priv->channel_count; ch++) { - /* find matching band and update tx power if needed */ - if ((ch_info->band == enhinfo[section].band) && - (ch_info->max_power_avg < max_txpower_avg) && - (!is_ht40)) { - /* Update regulatory-based run-time data */ - ch_info->max_power_avg = ch_info->curr_txpow = - max_txpower_avg; + int ch_idx; + bool is_ht40 = txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ; + enum ieee80211_band band; + + band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ? + IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ; + + for (ch_idx = 0; ch_idx < priv->channel_count; ch_idx++) { + struct iwl_channel_info *ch_info = &priv->channel_info[ch_idx]; + + /* update matching channel or from common data only */ + if (txp->channel != 0 && ch_info->channel != txp->channel) + continue; + + /* update matching band only */ + if (band != ch_info->band) + continue; + + if (ch_info->max_power_avg < max_txpower_avg && !is_ht40) { + ch_info->max_power_avg = max_txpower_avg; + ch_info->curr_txpow = max_txpower_avg; ch_info->scan_power = max_txpower_avg; } - if ((ch_info->band == enhinfo[section].band) && is_ht40 && - (ch_info->ht40_max_power_avg < max_txpower_avg)) { - /* Update regulatory-based run-time data */ + + if (is_ht40 && ch_info->ht40_max_power_avg < max_txpower_avg) ch_info->ht40_max_power_avg = max_txpower_avg; - } - ch_info++; } - return max_txpower_avg; } -/** - * iwl_update_channel_txpower: update channel tx power - * update channel tx power based on EEPROM enhanced tx power info. - */ -static s8 iwl_update_channel_txpower(struct iwl_priv *priv, - struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, - int section, int element, s8 *max_txpower_in_half_dbm) -{ - struct iwl_channel_info *ch_info; - int ch; - u8 channel; - s8 max_txpower_avg; /* (dBm) */ - - channel = enhinfo[section].iwl_eeprom_section_channel[element]; - max_txpower_avg = - iwl_get_max_txpower_avg(priv, enhanced_txpower, - element, max_txpower_in_half_dbm); - - ch_info = priv->channel_info; - for (ch = 0; ch < priv->channel_count; ch++) { - /* find matching channel and update tx power if needed */ - if (ch_info->channel == channel) { - if ((ch_info->max_power_avg < max_txpower_avg) && - (!enhinfo[section].is_ht40)) { - /* Update regulatory-based run-time data */ - ch_info->max_power_avg = max_txpower_avg; - ch_info->curr_txpow = max_txpower_avg; - ch_info->scan_power = max_txpower_avg; - } - if ((enhinfo[section].is_ht40) && - (ch_info->ht40_max_power_avg < max_txpower_avg)) { - /* Update regulatory-based run-time data */ - ch_info->ht40_max_power_avg = max_txpower_avg; - } - break; - } - ch_info++; - } - return max_txpower_avg; -} +#define EEPROM_TXP_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT) +#define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr) +#define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE) + +#define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) \ + ? # x " " : "") -/** - * iwlcore_eeprom_enhanced_txpower: process enhanced tx power info - */ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv) { - int eeprom_section_count = 0; - int section, element; - struct iwl_eeprom_enhanced_txpwr *enhanced_txpower; - u32 offset; - s8 max_txpower_avg; /* (dBm) */ - s8 max_txpower_in_half_dbm; /* (half-dBm) */ - - /* Loop through all the sections - * adjust bands and channel's max tx power - * Set the tx_power_user_lmt to the highest power - * supported by any channels and chains - */ - for (section = 0; section < ARRAY_SIZE(enhinfo); section++) { - eeprom_section_count = enhinfo[section].count; - offset = enhinfo[section].offset; - enhanced_txpower = (struct iwl_eeprom_enhanced_txpwr *) - iwl_eeprom_query_addr(priv, offset); + struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; + int idx, entries; + __le16 *txp_len; + s8 max_txp_avg, max_txp_avg_halfdbm; + + BUILD_BUG_ON(sizeof(struct iwl_eeprom_enhanced_txpwr) != 8); + + /* the length is in 16-bit words, but we want entries */ + txp_len = (__le16 *) iwlagn_eeprom_query_addr(priv, EEPROM_TXP_SZ_OFFS); + entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN; + + txp_array = (void *) iwlagn_eeprom_query_addr(priv, EEPROM_TXP_OFFS); + + for (idx = 0; idx < entries; idx++) { + txp = &txp_array[idx]; + /* skip invalid entries */ + if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID)) + continue; + + IWL_DEBUG_EEPROM(priv, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n", + (txp->channel && (txp->flags & + IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) ? + "Common " : (txp->channel) ? + "Channel" : "Common", + (txp->channel), + TXP_CHECK_AND_PRINT(VALID), + TXP_CHECK_AND_PRINT(BAND_52G), + TXP_CHECK_AND_PRINT(OFDM), + TXP_CHECK_AND_PRINT(40MHZ), + TXP_CHECK_AND_PRINT(HT_AP), + TXP_CHECK_AND_PRINT(RES1), + TXP_CHECK_AND_PRINT(RES2), + TXP_CHECK_AND_PRINT(COMMON_TYPE), + txp->flags); + IWL_DEBUG_EEPROM(priv, "\t\t chain_A: 0x%02x " + "chain_B: 0X%02x chain_C: 0X%02x\n", + txp->chain_a_max, txp->chain_b_max, + txp->chain_c_max); + IWL_DEBUG_EEPROM(priv, "\t\t MIMO2: 0x%02x " + "MIMO3: 0x%02x High 20_on_40: 0x%02x " + "Low 20_on_40: 0x%02x\n", + txp->mimo2_max, txp->mimo3_max, + ((txp->delta_20_in_40 & 0xf0) >> 4), + (txp->delta_20_in_40 & 0x0f)); + + max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx, + &max_txp_avg_halfdbm); /* - * check for valid entry - - * different version of EEPROM might contain different set - * of enhanced tx power table - * always check for valid entry before process - * the information + * Update the user limit values values to the highest + * power supported by any channel */ - if (!enhanced_txpower->common || enhanced_txpower->reserved) - continue; + if (max_txp_avg > priv->tx_power_user_lmt) + priv->tx_power_user_lmt = max_txp_avg; + if (max_txp_avg_halfdbm > priv->tx_power_lmt_in_half_dbm) + priv->tx_power_lmt_in_half_dbm = max_txp_avg_halfdbm; - for (element = 0; element < eeprom_section_count; element++) { - if (enhinfo[section].is_common) - max_txpower_avg = - iwl_update_common_txpower(priv, - enhanced_txpower, section, - element, - &max_txpower_in_half_dbm); - else - max_txpower_avg = - iwl_update_channel_txpower(priv, - enhanced_txpower, section, - element, - &max_txpower_in_half_dbm); - - /* Update the tx_power_user_lmt to the highest power - * supported by any channel */ - if (max_txpower_avg > priv->tx_power_user_lmt) - priv->tx_power_user_lmt = max_txpower_avg; - - /* - * Update the tx_power_lmt_in_half_dbm to - * the highest power supported by any channel - */ - if (max_txpower_in_half_dbm > - priv->tx_power_lmt_in_half_dbm) - priv->tx_power_lmt_in_half_dbm = - max_txpower_in_half_dbm; - } + iwlcore_eeprom_enh_txp_read_element(priv, txp, max_txp_avg); } } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c index ffb2f4111ad0..366340f3fb0f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c @@ -307,6 +307,7 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv) if (ctx_bss->vif && ctx_pan->vif) { int bcnint = ctx_pan->vif->bss_conf.beacon_int; + int dtim = ctx_pan->vif->bss_conf.dtim_period ?: 1; /* should be set, but seems unused?? */ cmd.flags |= cpu_to_le16(IWL_WIPAN_PARAMS_FLG_SLOTTED_MODE); @@ -329,10 +330,10 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv) if (test_bit(STATUS_SCAN_HW, &priv->status) || (!ctx_bss->vif->bss_conf.idle && !ctx_bss->vif->bss_conf.assoc)) { - slot0 = bcnint * 3 - 20; + slot0 = dtim * bcnint * 3 - 20; slot1 = 20; } else if (!ctx_pan->vif->bss_conf.idle && - !ctx_pan->vif->bss_conf.assoc) { + !ctx_pan->vif->bss_conf.assoc) { slot1 = bcnint * 3 - 20; slot0 = 20; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index b555edd53354..3dee87e8f55d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -405,6 +405,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv, return; } + txq->time_stamp = jiffies; info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb); memset(&info->status, 0, sizeof(info->status)); @@ -445,22 +446,17 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv, if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark) && - (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) { - if (agg->state == IWL_AGG_OFF) - iwl_wake_queue(priv, txq_id); - else - iwl_wake_queue(priv, txq->swq_id); - } + (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) + iwl_wake_queue(priv, txq); } } else { - BUG_ON(txq_id != txq->swq_id); iwlagn_set_tx_status(priv, info, 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)) - iwl_wake_queue(priv, txq_id); + iwl_wake_queue(priv, txq); } iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); @@ -496,6 +492,10 @@ 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), + "TX Power requested while scanning!\n")) + return -EAGAIN; + /* half dBm need to multiply */ tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt); @@ -522,9 +522,8 @@ int iwlagn_send_tx_power(struct iwl_priv *priv) else tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD; - return iwl_send_cmd_pdu_async(priv, tx_ant_cfg_cmd, - sizeof(tx_power_cmd), &tx_power_cmd, - NULL); + return iwl_send_cmd_pdu(priv, tx_ant_cfg_cmd, sizeof(tx_power_cmd), + &tx_power_cmd); } void iwlagn_temperature(struct iwl_priv *priv) @@ -569,6 +568,12 @@ static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address) case INDIRECT_REGULATORY: offset = iwl_eeprom_query16(priv, EEPROM_LINK_REGULATORY); break; + case INDIRECT_TXP_LIMIT: + offset = iwl_eeprom_query16(priv, EEPROM_LINK_TXP_LIMIT); + break; + case INDIRECT_TXP_LIMIT_SIZE: + offset = iwl_eeprom_query16(priv, EEPROM_LINK_TXP_LIMIT_SIZE); + break; case INDIRECT_CALIBRATION: offset = iwl_eeprom_query16(priv, EEPROM_LINK_CALIBRATION); break; @@ -750,6 +755,12 @@ int iwlagn_hw_nic_init(struct iwl_priv *priv) } else iwlagn_txq_ctx_reset(priv); + if (priv->cfg->base_params->shadow_reg_enable) { + /* enable shadow regs in HW */ + iwl_set_bit(priv, CSR_MAC_SHADOW_REG_CTRL, + 0x800FFFFF); + } + set_bit(STATUS_INIT, &priv->status); return 0; @@ -1481,15 +1492,11 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) if (priv->cfg->scan_rx_antennas[band]) rx_ant = priv->cfg->scan_rx_antennas[band]; - if (priv->cfg->scan_tx_antennas[band]) - scan_tx_antennas = priv->cfg->scan_tx_antennas[band]; - - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && - priv->bt_full_concurrent) { - /* operated as 1x1 in full concurrency mode */ - scan_tx_antennas = first_antenna( - priv->cfg->scan_tx_antennas[band]); + if (band == IEEE80211_BAND_2GHZ && + priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + /* transmit 2.4 GHz probes only on first antenna */ + scan_tx_antennas = first_antenna(scan_tx_antennas); } priv->scan_tx_ant[band] = iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band], @@ -1584,22 +1591,6 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) return ret; } -void iwlagn_post_scan(struct iwl_priv *priv) -{ - struct iwl_rxon_context *ctx; - - /* - * Since setting the RXON may have been deferred while - * performing the scan, fire one off if needed - */ - for_each_context(priv, ctx) - if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) - iwlagn_commit_rxon(priv, ctx); - - if (priv->cfg->ops->hcmd->set_pan_params) - priv->cfg->ops->hcmd->set_pan_params(priv); -} - int iwlagn_manage_ibss_station(struct iwl_priv *priv, struct ieee80211_vif *vif, bool add) { @@ -1790,7 +1781,7 @@ static const __le32 iwlagn_def_3w_lookup[12] = { cpu_to_le32(0xc0004000), cpu_to_le32(0x00004000), cpu_to_le32(0xf0005000), - cpu_to_le32(0xf0004000), + cpu_to_le32(0xf0005000), }; static const __le32 iwlagn_concurrent_lookup[12] = { @@ -1826,6 +1817,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) bt_cmd.prio_boost = 0; bt_cmd.kill_ack_mask = priv->kill_ack_mask; bt_cmd.kill_cts_mask = priv->kill_cts_mask; + bt_cmd.valid = priv->bt_valid; bt_cmd.tx_prio_boost = 0; bt_cmd.rx_prio_boost = 0; @@ -1841,10 +1833,15 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) } else { bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_3W << IWLAGN_BT_FLAG_COEX_MODE_SHIFT; + if (priv->cfg->bt_params && + priv->cfg->bt_params->bt_sco_disable) + bt_cmd.flags |= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE; + if (priv->bt_ch_announce) bt_cmd.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION; IWL_DEBUG_INFO(priv, "BT coex flag: 0X%x\n", bt_cmd.flags); } + priv->bt_enable_flag = bt_cmd.flags; if (priv->bt_full_concurrent) memcpy(bt_cmd.bt3_lookup_table, iwlagn_concurrent_lookup, sizeof(iwlagn_concurrent_lookup)); @@ -1884,12 +1881,20 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) struct iwl_rxon_context *ctx; int smps_request = -1; + /* + * Note: bt_traffic_load can be overridden by scan complete and + * coex profile notifications. Ignore that since only bad consequence + * can be not matching debug print with actual state. + */ IWL_DEBUG_INFO(priv, "BT traffic load changes: %d\n", priv->bt_traffic_load); switch (priv->bt_traffic_load) { case IWL_BT_COEX_TRAFFIC_LOAD_NONE: - smps_request = IEEE80211_SMPS_AUTOMATIC; + if (priv->bt_status) + smps_request = IEEE80211_SMPS_DYNAMIC; + else + smps_request = IEEE80211_SMPS_AUTOMATIC; break; case IWL_BT_COEX_TRAFFIC_LOAD_LOW: smps_request = IEEE80211_SMPS_DYNAMIC; @@ -1906,6 +1911,16 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) mutex_lock(&priv->mutex); + /* + * We can not send command to firmware while scanning. When the scan + * complete we will schedule this work again. We do check with mutex + * locked to prevent new scan request to arrive. We do not check + * 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)) + goto out; + if (priv->cfg->ops->lib->update_chain_flags) priv->cfg->ops->lib->update_chain_flags(priv); @@ -1915,7 +1930,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) ieee80211_request_smps(ctx->vif, smps_request); } } - +out: mutex_unlock(&priv->mutex); } @@ -1986,24 +2001,29 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv, BT_UART_MSG_FRAME7CONNECTABLE_POS); } -static void iwlagn_set_kill_ack_msk(struct iwl_priv *priv, - struct iwl_bt_uart_msg *uart_msg) +static void iwlagn_set_kill_msk(struct iwl_priv *priv, + struct iwl_bt_uart_msg *uart_msg) { - u8 kill_ack_msk; - __le32 bt_kill_ack_msg[2] = { - cpu_to_le32(0xFFFFFFF), cpu_to_le32(0xFFFFFC00) }; - - kill_ack_msk = (((BT_UART_MSG_FRAME3A2DP_MSK | - BT_UART_MSG_FRAME3SNIFF_MSK | - BT_UART_MSG_FRAME3SCOESCO_MSK) & - uart_msg->frame3) == 0) ? 1 : 0; - if (priv->kill_ack_mask != bt_kill_ack_msg[kill_ack_msk]) { + u8 kill_msk; + static const __le32 bt_kill_ack_msg[2] = { + IWLAGN_BT_KILL_ACK_MASK_DEFAULT, + IWLAGN_BT_KILL_ACK_CTS_MASK_SCO }; + static const __le32 bt_kill_cts_msg[2] = { + IWLAGN_BT_KILL_CTS_MASK_DEFAULT, + IWLAGN_BT_KILL_ACK_CTS_MASK_SCO }; + + kill_msk = (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) + ? 1 : 0; + if (priv->kill_ack_mask != bt_kill_ack_msg[kill_msk] || + priv->kill_cts_mask != bt_kill_cts_msg[kill_msk]) { priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK; - priv->kill_ack_mask = bt_kill_ack_msg[kill_ack_msk]; + priv->kill_ack_mask = bt_kill_ack_msg[kill_msk]; + priv->bt_valid |= IWLAGN_BT_VALID_KILL_CTS_MASK; + priv->kill_cts_mask = bt_kill_cts_msg[kill_msk]; + /* schedule to send runtime bt_config */ queue_work(priv->workqueue, &priv->bt_runtime_config); } - } void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, @@ -2014,7 +2034,6 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif; struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 }; struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg; - u8 last_traffic_load; IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n"); IWL_DEBUG_NOTIF(priv, " status: %d\n", coex->bt_status); @@ -2023,11 +2042,10 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, coex->bt_ci_compliance); iwlagn_print_uartmsg(priv, uart_msg); - last_traffic_load = priv->notif_bt_traffic_load; - priv->notif_bt_traffic_load = coex->bt_traffic_load; + priv->last_bt_traffic_load = priv->bt_traffic_load; if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { if (priv->bt_status != coex->bt_status || - last_traffic_load != coex->bt_traffic_load) { + priv->last_bt_traffic_load != coex->bt_traffic_load) { if (coex->bt_status) { /* BT on */ if (!priv->bt_ch_announce) @@ -2056,7 +2074,7 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, } } - iwlagn_set_kill_ack_msk(priv, uart_msg); + iwlagn_set_kill_msk(priv, uart_msg); /* FIXME: based on notification, adjust the prio_boost */ @@ -2276,7 +2294,7 @@ static const char *get_csr_string(int cmd) void iwl_dump_csr(struct iwl_priv *priv) { int i; - u32 csr_tbl[] = { + static const u32 csr_tbl[] = { CSR_HW_IF_CONFIG_REG, CSR_INT_COALESCING, CSR_INT, @@ -2335,7 +2353,7 @@ int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display) int pos = 0; size_t bufsz = 0; #endif - u32 fh_tbl[] = { + static const u32 fh_tbl[] = { FH_RSCSR_CHNL0_STTS_WPTR_REG, FH_RSCSR_CHNL0_RBDCB_BASE_REG, FH_RSCSR_CHNL0_WPTR, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 065553629de5..75fcd30a7c13 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -387,7 +387,7 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv, if (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); + ret = ieee80211_start_tx_ba_session(sta, tid, 5000); if (ret == -EAGAIN) { /* * driver and mac80211 is out of sync @@ -833,17 +833,23 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_lq_sta *lq_sta) { struct iwl_scale_tbl_info *tbl; - bool full_concurrent; + bool full_concurrent = priv->bt_full_concurrent; unsigned long flags; - spin_lock_irqsave(&priv->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); - - if (priv->bt_full_concurrent != full_concurrent) { + if (priv->bt_ant_couple_ok) { + /* + * Is there a need to switch between + * full concurrency and 3-wire? + */ + spin_lock_irqsave(&priv->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); + } + if ((priv->bt_traffic_load != priv->last_bt_traffic_load) || + (priv->bt_full_concurrent != full_concurrent)) { priv->bt_full_concurrent = full_concurrent; /* Update uCode's rate table. */ @@ -1040,8 +1046,7 @@ done: if (sta && sta->supp_rates[sband->band]) rs_rate_scale_perform(priv, skb, sta, lq_sta); - /* Is there a need to switch between full concurrency and 3-wire? */ - if (priv->bt_ant_couple_ok) + if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) rs_bt_update_lq(priv, ctx, lq_sta); } @@ -2868,6 +2873,10 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; lq_sta->is_agg = 0; +#ifdef CONFIG_MAC80211_DEBUGFS + lq_sta->dbg_fixed_rate = 0; +#endif + rs_initialize_lq(priv, conf, sta, lq_sta); } @@ -3010,10 +3019,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, */ if (priv && priv->cfg->bt_params && priv->cfg->bt_params->agg_time_limit && - priv->cfg->bt_params->agg_time_limit >= - LINK_QUAL_AGG_TIME_LIMIT_MIN && - priv->cfg->bt_params->agg_time_limit <= - LINK_QUAL_AGG_TIME_LIMIT_MAX) + priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) lq_cmd->agg_params.agg_time_limit = cpu_to_le16(priv->cfg->bt_params->agg_time_limit); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c new file mode 100644 index 000000000000..6d140bd53291 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -0,0 +1,642 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2010 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. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#include "iwl-dev.h" +#include "iwl-agn.h" +#include "iwl-sta.h" +#include "iwl-core.h" +#include "iwl-agn-calib.h" + +static int iwlagn_disable_bss(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + struct iwl_rxon_cmd *send) +{ + __le32 old_filter = send->filter_flags; + int ret; + + send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send); + + send->filter_flags = old_filter; + + if (ret) + IWL_ERR(priv, "Error clearing ASSOC_MSK on BSS (%d)\n", ret); + + return ret; +} + +static int iwlagn_disable_pan(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + struct iwl_rxon_cmd *send) +{ + __le32 old_filter = send->filter_flags; + u8 old_dev_type = send->dev_type; + int ret; + + send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; + send->dev_type = RXON_DEV_TYPE_P2P; + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send); + + send->filter_flags = old_filter; + send->dev_type = old_dev_type; + + if (ret) + IWL_ERR(priv, "Error disabling PAN (%d)\n", ret); + + /* FIXME: WAIT FOR PAN DISABLE */ + msleep(300); + + return ret; +} + +static void iwlagn_update_qos(struct iwl_priv *priv, + struct iwl_rxon_context *ctx) +{ + int ret; + + if (!ctx->is_active) + return; + + ctx->qos_data.def_qos_parm.qos_flags = 0; + + if (ctx->qos_data.qos_active) + ctx->qos_data.def_qos_parm.qos_flags |= + QOS_PARAM_FLG_UPDATE_EDCA_MSK; + + if (ctx->ht.enabled) + ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; + + IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", + ctx->qos_data.qos_active, + ctx->qos_data.def_qos_parm.qos_flags); + + ret = iwl_send_cmd_pdu(priv, ctx->qos_cmd, + sizeof(struct iwl_qosparam_cmd), + &ctx->qos_data.def_qos_parm); + if (ret) + IWL_ERR(priv, "Failed to update QoS\n"); +} + +static int iwlagn_update_beacon(struct iwl_priv *priv, + struct ieee80211_vif *vif) +{ + lockdep_assert_held(&priv->mutex); + + dev_kfree_skb(priv->beacon_skb); + priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif); + if (!priv->beacon_skb) + return -ENOMEM; + return iwlagn_send_beacon_cmd(priv); +} + +/** + * iwlagn_commit_rxon - commit staging_rxon to hardware + * + * The RXON command in staging_rxon is committed to the hardware and + * the active_rxon structure is updated with the new data. This + * function correctly transitions out of the RXON_ASSOC_MSK state if + * a HW tune is required based on the RXON structure changes. + */ +int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + /* cast away the const for active_rxon in this function */ + struct iwl_rxon_cmd *active = (void *)&ctx->active; + bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); + bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK); + int ret; + + lockdep_assert_held(&priv->mutex); + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return -EINVAL; + + if (!iwl_is_alive(priv)) + return -EBUSY; + + /* This function hardcodes a bunch of dual-mode assumptions */ + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); + + if (!ctx->is_active) + return 0; + + /* always get timestamp with Rx frame */ + ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; + + if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || + !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK)) + ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; + else + ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; + + ret = iwl_check_rxon_cmd(priv, ctx); + if (ret) { + IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n"); + return -EINVAL; + } + + /* + * receive commit_rxon request + * abort any previous channel switch if still in process + */ + if (priv->switch_rxon.switch_in_progress && + (priv->switch_rxon.channel != ctx->staging.channel)) { + IWL_DEBUG_11H(priv, "abort channel switch on %d\n", + le16_to_cpu(priv->switch_rxon.channel)); + iwl_chswitch_done(priv, false); + } + + /* + * If we don't need to send a full RXON, we can use + * iwl_rxon_assoc_cmd which is used to reconfigure filter + * and other flags for the current radio configuration. + */ + if (!iwl_full_rxon_required(priv, ctx)) { + ret = iwl_send_rxon_assoc(priv, ctx); + if (ret) { + IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret); + return ret; + } + + memcpy(active, &ctx->staging, sizeof(*active)); + iwl_print_rx_config_cmd(priv, ctx); + return 0; + } + + if (priv->cfg->ops->hcmd->set_pan_params) { + ret = priv->cfg->ops->hcmd->set_pan_params(priv); + if (ret) + return ret; + } + + iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto); + + IWL_DEBUG_INFO(priv, + "Going to commit RXON\n" + " * with%s RXON_FILTER_ASSOC_MSK\n" + " * channel = %d\n" + " * bssid = %pM\n", + (new_assoc ? "" : "out"), + le16_to_cpu(ctx->staging.channel), + ctx->staging.bssid_addr); + + /* + * Always clear associated first, but with the correct config. + * This is required as for example station addition for the + * AP station must be done after the BSSID is set to correctly + * set up filters in the device. + */ + if ((old_assoc && new_assoc) || !new_assoc) { + if (ctx->ctxid == IWL_RXON_CTX_BSS) + ret = iwlagn_disable_bss(priv, ctx, &ctx->staging); + else + ret = iwlagn_disable_pan(priv, ctx, &ctx->staging); + if (ret) + return ret; + + memcpy(active, &ctx->staging, sizeof(*active)); + + /* + * Un-assoc RXON clears the station table and WEP + * keys, so we have to restore those afterwards. + */ + iwl_clear_ucode_stations(priv, ctx); + iwl_restore_stations(priv, ctx); + ret = iwl_restore_default_wep_keys(priv, ctx); + if (ret) { + IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); + return ret; + } + } + + /* RXON timing must be before associated RXON */ + ret = iwl_send_rxon_timing(priv, ctx); + if (ret) { + IWL_ERR(priv, "Failed to send timing (%d)!\n", ret); + return ret; + } + + if (new_assoc) { + /* QoS info may be cleared by previous un-assoc RXON */ + iwlagn_update_qos(priv, ctx); + + /* + * We'll run into this code path when beaconing is + * enabled, but then we also need to send the beacon + * to the device. + */ + if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_AP)) { + ret = iwlagn_update_beacon(priv, ctx->vif); + if (ret) { + IWL_ERR(priv, + "Error sending required beacon (%d)!\n", + ret); + return ret; + } + } + + priv->start_calib = 0; + /* + * Apply the new configuration. + * + * Associated RXON doesn't clear the station table in uCode, + * so we don't need to restore stations etc. after this. + */ + ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, + sizeof(struct iwl_rxon_cmd), &ctx->staging); + if (ret) { + IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); + return ret; + } + memcpy(active, &ctx->staging, sizeof(*active)); + + iwl_reprogram_ap_sta(priv, ctx); + + /* IBSS beacon needs to be sent after setting assoc */ + if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC)) + if (iwlagn_update_beacon(priv, ctx->vif)) + IWL_ERR(priv, "Error sending IBSS beacon\n"); + } + + iwl_print_rx_config_cmd(priv, ctx); + + iwl_init_sensitivity(priv); + + /* + * If we issue a new RXON command which required a tune then we must + * send a new TXPOWER command or we won't be able to Tx any frames. + * + * FIXME: which RXON requires a tune? Can we optimise this out in + * some cases? + */ + ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + if (ret) { + IWL_ERR(priv, "Error sending TX power (%d)\n", ret); + return ret; + } + + return 0; +} + +int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_channel *channel = conf->channel; + const struct iwl_channel_info *ch_info; + int ret = 0; + bool ht_changed[NUM_IWL_RXON_CTX] = {}; + + IWL_DEBUG_MAC80211(priv, "changed %#x", changed); + + mutex_lock(&priv->mutex); + + if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { + IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); + goto out; + } + + if (!iwl_is_ready(priv)) { + IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); + goto out; + } + + if (changed & (IEEE80211_CONF_CHANGE_SMPS | + IEEE80211_CONF_CHANGE_CHANNEL)) { + /* mac80211 uses static for non-HT which is what we want */ + priv->current_ht_config.smps = conf->smps_mode; + + /* + * Recalculate chain counts. + * + * If monitor mode is enabled then mac80211 will + * set up the SM PS mode to OFF if an HT channel is + * configured. + */ + if (priv->cfg->ops->hcmd->set_rxon_chain) + for_each_context(priv, ctx) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + } + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + unsigned long flags; + + ch_info = iwl_get_channel_info(priv, channel->band, + channel->hw_value); + if (!is_channel_valid(ch_info)) { + IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n"); + ret = -EINVAL; + goto out; + } + + spin_lock_irqsave(&priv->lock, flags); + + for_each_context(priv, ctx) { + /* Configure HT40 channels */ + if (ctx->ht.enabled != conf_is_ht(conf)) { + ctx->ht.enabled = conf_is_ht(conf); + ht_changed[ctx->ctxid] = true; + } + + if (ctx->ht.enabled) { + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; + } + } else + ctx->ht.is_40mhz = false; + + /* + * Default to no protection. Protection mode will + * later be set from BSS config in iwl_ht_conf + */ + ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE; + + /* if we are switching from ht to 2.4 clear flags + * from any ht related info since 2.4 does not + * support ht */ + if (le16_to_cpu(ctx->staging.channel) != + channel->hw_value) + ctx->staging.flags = 0; + + iwl_set_rxon_channel(priv, channel, ctx); + iwl_set_rxon_ht(priv, &priv->current_ht_config); + + iwl_set_flags_for_band(priv, ctx, channel->band, + ctx->vif); + } + + spin_unlock_irqrestore(&priv->lock, flags); + + iwl_update_bcast_stations(priv); + + /* + * The list of supported rates and rate mask can be different + * for each band; since the band may have changed, reset + * the rate mask to what mac80211 lists. + */ + iwl_set_rate(priv); + } + + if (changed & (IEEE80211_CONF_CHANGE_PS | + IEEE80211_CONF_CHANGE_IDLE)) { + ret = iwl_power_update_mode(priv, false); + if (ret) + IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); + } + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n", + priv->tx_power_user_lmt, conf->power_level); + + iwl_set_tx_power(priv, conf->power_level, false); + } + + for_each_context(priv, ctx) { + if (!memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) + continue; + iwlagn_commit_rxon(priv, ctx); + if (ht_changed[ctx->ctxid]) + iwlagn_update_qos(priv, ctx); + } + out: + mutex_unlock(&priv->mutex); + return ret; +} + +static void iwlagn_check_needed_chains(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + struct ieee80211_bss_conf *bss_conf) +{ + struct ieee80211_vif *vif = ctx->vif; + struct iwl_rxon_context *tmp; + struct ieee80211_sta *sta; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; + bool need_multiple; + + lockdep_assert_held(&priv->mutex); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + rcu_read_lock(); + sta = ieee80211_find_sta(vif, bss_conf->bssid); + if (sta) { + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + int maxstreams; + + maxstreams = (ht_cap->mcs.tx_params & + IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK) + >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; + maxstreams += 1; + + need_multiple = true; + + if ((ht_cap->mcs.rx_mask[1] == 0) && + (ht_cap->mcs.rx_mask[2] == 0)) + need_multiple = false; + if (maxstreams <= 1) + need_multiple = false; + } else { + /* + * If at all, this can only happen through a race + * when the AP disconnects us while we're still + * setting up the connection, in that case mac80211 + * will soon tell us about that. + */ + need_multiple = false; + } + rcu_read_unlock(); + break; + case NL80211_IFTYPE_ADHOC: + /* currently */ + need_multiple = false; + break; + default: + /* only AP really */ + need_multiple = true; + break; + } + + ctx->ht_need_multiple_chains = need_multiple; + + if (!need_multiple) { + /* check all contexts */ + for_each_context(priv, tmp) { + if (!tmp->vif) + continue; + if (tmp->ht_need_multiple_chains) { + need_multiple = true; + break; + } + } + } + + ht_conf->single_chain_sufficient = !need_multiple; +} + +void iwlagn_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + int ret; + bool force = false; + + mutex_lock(&priv->mutex); + + if (unlikely(!iwl_is_ready(priv))) { + IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); + mutex_unlock(&priv->mutex); + return; + } + + if (unlikely(!ctx->vif)) { + IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n"); + mutex_unlock(&priv->mutex); + return; + } + + if (changes & BSS_CHANGED_BEACON_INT) + force = true; + + if (changes & BSS_CHANGED_QOS) { + ctx->qos_data.qos_active = bss_conf->qos; + iwlagn_update_qos(priv, ctx); + } + + ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid); + if (vif->bss_conf.use_short_preamble) + ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; + else + ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; + + if (changes & BSS_CHANGED_ASSOC) { + if (bss_conf->assoc) { + iwl_led_associate(priv); + priv->timestamp = bss_conf->timestamp; + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; + } else { + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwl_led_disassociate(priv); + } + } + + if (ctx->ht.enabled) { + ctx->ht.protection = bss_conf->ht_operation_mode & + IEEE80211_HT_OP_MODE_PROTECTION; + ctx->ht.non_gf_sta_present = !!(bss_conf->ht_operation_mode & + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); + iwlagn_check_needed_chains(priv, ctx, bss_conf); + iwl_set_rxon_ht(priv, &priv->current_ht_config); + } + + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + + if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) + ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK; + else + ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; + + if (bss_conf->use_cts_prot) + ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; + else + ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; + + memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); + + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) { + if (vif->bss_conf.enable_beacon) { + ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; + priv->beacon_ctx = ctx; + } else { + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + priv->beacon_ctx = NULL; + } + } + + if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) + iwlagn_commit_rxon(priv, ctx); + + if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { + /* + * The chain noise calibration will enable PM upon + * completion. If calibration has already been run + * then we need to enable power management here. + */ + if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE) + iwl_power_update_mode(priv, false); + + /* Enable RX differential gain and sensitivity calibrations */ + iwl_chain_noise_reset(priv); + priv->start_calib = 1; + } + + if (changes & BSS_CHANGED_IBSS) { + ret = iwlagn_manage_ibss_station(priv, vif, + bss_conf->ibss_joined); + if (ret) + IWL_ERR(priv, "failed to %s IBSS station %pM\n", + bss_conf->ibss_joined ? "add" : "remove", + bss_conf->bssid); + } + + if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_ADHOC && + priv->beacon_ctx) { + if (iwlagn_update_beacon(priv, vif)) + IWL_ERR(priv, "Error sending IBSS beacon\n"); + } + + mutex_unlock(&priv->mutex); +} + +void iwlagn_post_scan(struct iwl_priv *priv) +{ + struct iwl_rxon_context *ctx; + + /* + * Since setting the RXON may have been deferred while + * performing the scan, fire one off if needed + */ + for_each_context(priv, ctx) + if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) + iwlagn_commit_rxon(priv, ctx); + + if (priv->cfg->ops->hcmd->set_pan_params) + priv->cfg->ops->hcmd->set_pan_params(priv); +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index 35a30d2e0734..35f085ac336b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -684,7 +684,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } -void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) +static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) { unsigned long flags; @@ -714,3 +714,33 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) spin_unlock_irqrestore(&priv->sta_lock, flags); } + +void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, + struct ieee80211_sta *sta) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; + int sta_id; + + switch (cmd) { + case STA_NOTIFY_SLEEP: + WARN_ON(!sta_priv->client); + sta_priv->asleep = true; + if (atomic_read(&sta_priv->pending_frames) > 0) + ieee80211_sta_block_awake(hw, sta, true); + break; + case STA_NOTIFY_AWAKE: + WARN_ON(!sta_priv->client); + if (!sta_priv->asleep) + break; + sta_priv->asleep = false; + sta_id = iwl_sta_id(sta); + if (sta_id != IWL_INVALID_STATION) + iwl_sta_modify_ps_wake(priv, sta_id); + break; + default: + break; + } +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 2b078a995729..24a11b8f73bc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -67,8 +67,14 @@ */ static const u8 tid_to_ac[] = { - /* this matches the mac80211 numbers */ - 2, 3, 3, 2, 1, 1, 0, 0 + 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) @@ -518,11 +524,11 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) struct iwl_cmd_meta *out_meta; struct iwl_tx_cmd *tx_cmd; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - int swq_id, txq_id; + int txq_id; dma_addr_t phys_addr; dma_addr_t txcmd_phys; dma_addr_t scratch_phys; - u16 len, len_org, firstlen, secondlen; + u16 len, firstlen, secondlen; u16 seq_number = 0; __le16 fc; u8 hdr_len; @@ -531,6 +537,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) u8 tid = 0; u8 *qc = NULL; unsigned long flags; + bool is_agg = false; if (info->control.vif) ctx = iwl_rxon_ctx_from_vif(info->control.vif); @@ -567,8 +574,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (sta) sta_priv = (void *)sta->drv_priv; - if (sta_priv && sta_priv->asleep) { - WARN_ON(!(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE)); + if (sta_priv && sta_priv->asleep && + (info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE)) { /* * This sends an asynchronous command to the device, * but we can rely on it being processed before the @@ -616,11 +623,11 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) 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; } } txq = &priv->txq[txq_id]; - swq_id = txq->swq_id; q = &txq->q; if (unlikely(iwl_queue_space(q) < q->high_mark)) { @@ -687,30 +694,23 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) */ len = sizeof(struct iwl_tx_cmd) + sizeof(struct iwl_cmd_header) + hdr_len; - - len_org = len; - firstlen = len = (len + 3) & ~3; - - if (len_org != len) - len_org = 1; - else - len_org = 0; + firstlen = (len + 3) & ~3; /* Tell NIC about any 2-byte padding after MAC header */ - if (len_org) + if (firstlen != len) tx_cmd->tx_flags |= TX_CMD_FLG_MH_PAD_MSK; /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ txcmd_phys = pci_map_single(priv->pci_dev, - &out_cmd->hdr, len, + &out_cmd->hdr, firstlen, PCI_DMA_BIDIRECTIONAL); dma_unmap_addr_set(out_meta, mapping, txcmd_phys); - dma_unmap_len_set(out_meta, len, len); + dma_unmap_len_set(out_meta, len, firstlen); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, - txcmd_phys, len, 1, 0); + txcmd_phys, firstlen, 1, 0); if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; @@ -721,23 +721,21 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ - secondlen = len = skb->len - hdr_len; - if (len) { + secondlen = skb->len - hdr_len; + if (secondlen > 0) { phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len, - len, PCI_DMA_TODEVICE); + secondlen, PCI_DMA_TODEVICE); priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, - phys_addr, len, + phys_addr, secondlen, 0, 0); } scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) + offsetof(struct iwl_tx_cmd, scratch); - len = sizeof(struct iwl_tx_cmd) + - sizeof(struct iwl_cmd_header) + hdr_len; /* take back ownership of DMA buffer to enable update */ pci_dma_sync_single_for_cpu(priv->pci_dev, txcmd_phys, - len, PCI_DMA_BIDIRECTIONAL); + firstlen, PCI_DMA_BIDIRECTIONAL); tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); @@ -753,7 +751,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) le16_to_cpu(tx_cmd->len)); pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys, - len, PCI_DMA_BIDIRECTIONAL); + firstlen, PCI_DMA_BIDIRECTIONAL); trace_iwlwifi_dev_tx(priv, &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr], @@ -773,8 +771,14 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) * whether or not we should update the write pointer. */ - /* avoid atomic ops if it isn't an associated client */ - if (sta_priv && sta_priv->client) + /* + * Avoid atomic ops if it isn't an associated client. + * Also, if this is a packet for aggregation, don't + * increase the counter because the ucode will stop + * aggregation queues when their respective station + * goes to sleep. + */ + if (sta_priv && sta_priv->client && !is_agg) atomic_inc(&sta_priv->pending_frames); if ((iwl_queue_space(q) < q->high_mark) && priv->mac80211_registered) { @@ -784,7 +788,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_txq_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); } else { - iwl_stop_queue(priv, txq->swq_id); + iwl_stop_queue(priv, txq); } } @@ -1013,7 +1017,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, tid_data = &priv->stations[sta_id].tid[tid]; *ssn = SEQ_TO_SN(tid_data->seq_number); tid_data->agg.txq_id = txq_id; - priv->txq[txq_id].swq_id = iwl_virtual_agg_queue_num(get_ac_from_tid(tid), txq_id); + iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id); spin_unlock_irqrestore(&priv->sta_lock, flags); ret = priv->cfg->ops->lib->txq_agg_enable(priv, txq_id, tx_fifo, @@ -1153,14 +1157,15 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv, return 0; } -static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info) +static void iwlagn_non_agg_tx_status(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + const u8 *addr1) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data; struct ieee80211_sta *sta; struct iwl_station_priv *sta_priv; rcu_read_lock(); - sta = ieee80211_find_sta(tx_info->ctx->vif, hdr->addr1); + sta = ieee80211_find_sta(ctx->vif, addr1); if (sta) { sta_priv = (void *)sta->drv_priv; /* avoid atomic ops if this isn't a client */ @@ -1169,6 +1174,15 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info) ieee80211_sta_block_awake(priv->hw, sta, false); } rcu_read_unlock(); +} + +static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info, + bool is_agg) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data; + + if (!is_agg) + iwlagn_non_agg_tx_status(priv, tx_info->ctx, hdr->addr1); ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb); } @@ -1193,7 +1207,8 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { tx_info = &txq->txb[txq->q.read_ptr]; - iwlagn_tx_status(priv, tx_info); + iwlagn_tx_status(priv, tx_info, + txq_id >= IWLAGN_FIRST_AMPDU_QUEUE); hdr = (struct ieee80211_hdr *)tx_info->skb->data; if (hdr && ieee80211_is_data_qos(hdr->frame_control)) @@ -1222,7 +1237,6 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv, int i, sh, ack; u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl); u16 scd_flow = le16_to_cpu(ba_resp->scd_flow); - u64 bitmap, sent_bitmap; int successes = 0; struct ieee80211_tx_info *info; @@ -1241,40 +1255,68 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv, if (sh < 0) /* tbw something is wrong with indices */ sh += 0x100; - /* don't use 64-bit values for now */ - bitmap = le64_to_cpu(ba_resp->bitmap) >> sh; - if (agg->frame_count > (64 - sh)) { IWL_DEBUG_TX_REPLY(priv, "more frames than bitmap size"); return -1; } + if (!priv->cfg->base_params->no_agg_framecnt_info && ba_resp->txed) { + /* + * sent and ack information provided by uCode + * use it instead of figure out ourself + */ + 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); + } else { + u64 bitmap, sent_bitmap; + + /* don't use 64-bit values for now */ + bitmap = le64_to_cpu(ba_resp->bitmap) >> sh; + + /* check for success or failure according to the + * transmitted bitmap and block-ack bitmap */ + sent_bitmap = bitmap & agg->bitmap; + + /* For each frame attempted in aggregation, + * update driver's record of tx frame's status. */ + i = 0; + while (sent_bitmap) { + ack = sent_bitmap & 1ULL; + successes += ack; + IWL_DEBUG_TX_REPLY(priv, "%s ON i=%d idx=%d raw=%d\n", + ack ? "ACK" : "NACK", i, + (agg->start_idx + i) & 0xff, + agg->start_idx + i); + sent_bitmap >>= 1; + ++i; + } - /* check for success or failure according to the - * transmitted bitmap and block-ack bitmap */ - sent_bitmap = bitmap & agg->bitmap; - - /* For each frame attempted in aggregation, - * update driver's record of tx frame's status. */ - i = 0; - while (sent_bitmap) { - ack = sent_bitmap & 1ULL; - successes += ack; - IWL_DEBUG_TX_REPLY(priv, "%s ON i=%d idx=%d raw=%d\n", - ack ? "ACK" : "NACK", i, (agg->start_idx + i) & 0xff, - agg->start_idx + i); - sent_bitmap >>= 1; - ++i; + IWL_DEBUG_TX_REPLY(priv, "Bitmap %llx\n", + (unsigned long long)bitmap); } 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 = successes; - info->status.ampdu_len = agg->frame_count; - iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info); + if (!priv->cfg->base_params->no_agg_framecnt_info && ba_resp->txed) { + info->status.ampdu_ack_len = ba_resp->txed_2_done; + info->status.ampdu_len = ba_resp->txed; - IWL_DEBUG_TX_REPLY(priv, "Bitmap %llx\n", (unsigned long long)bitmap); + } else { + info->status.ampdu_ack_len = successes; + info->status.ampdu_len = agg->frame_count; + } + iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info); return 0; } @@ -1385,7 +1427,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, 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->swq_id); + iwl_wake_queue(priv, txq); iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index 703621107dac..24dabcd2a36c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -40,30 +40,36 @@ #include "iwl-agn.h" #include "iwl-agn-calib.h" -static const s8 iwlagn_default_queue_to_tx_fifo[] = { - IWL_TX_FIFO_VO, - IWL_TX_FIFO_VI, - IWL_TX_FIFO_BE, - IWL_TX_FIFO_BK, - IWLAGN_CMD_FIFO_NUM, - IWL_TX_FIFO_UNUSED, - IWL_TX_FIFO_UNUSED, - IWL_TX_FIFO_UNUSED, - IWL_TX_FIFO_UNUSED, - IWL_TX_FIFO_UNUSED, +#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 s8 iwlagn_ipan_queue_to_tx_fifo[] = { - IWL_TX_FIFO_VO, - IWL_TX_FIFO_VI, - IWL_TX_FIFO_BE, - IWL_TX_FIFO_BK, - IWL_TX_FIFO_BK_IPAN, - IWL_TX_FIFO_BE_IPAN, - IWL_TX_FIFO_VI_IPAN, - IWL_TX_FIFO_VO_IPAN, - IWL_TX_FIFO_BE_IPAN, - IWLAGN_CMD_FIFO_NUM, +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 struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { @@ -429,7 +435,7 @@ void iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) int iwlagn_alive_notify(struct iwl_priv *priv) { - const s8 *queues; + const struct queue_to_fifo_ac *queue_to_fifo; u32 a; unsigned long flags; int i, chan; @@ -492,9 +498,9 @@ int iwlagn_alive_notify(struct iwl_priv *priv) /* map queues to FIFOs */ if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) - queues = iwlagn_ipan_queue_to_tx_fifo; + queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; else - queues = iwlagn_default_queue_to_tx_fifo; + queue_to_fifo = iwlagn_default_queue_to_tx_fifo; iwlagn_set_wr_ptrs(priv, priv->cmd_queue, 0); @@ -510,18 +516,25 @@ int iwlagn_alive_notify(struct iwl_priv *priv) BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) != 10); for (i = 0; i < 10; i++) { - int ac = queues[i]; + int fifo = queue_to_fifo[i].fifo; + int ac = queue_to_fifo[i].ac; iwl_txq_ctx_activate(priv, i); - if (ac == IWL_TX_FIFO_UNUSED) + if (fifo == IWL_TX_FIFO_UNUSED) continue; - iwlagn_tx_queue_set_status(priv, &priv->txq[i], ac, 0); + if (ac != IWL_AC_UNSET) + iwl_set_swq_id(&priv->txq[i], ac, i); + iwlagn_tx_queue_set_status(priv, &priv->txq[i], fifo, 0); } spin_unlock_irqrestore(&priv->lock, flags); + /* Enable L1-Active */ + iwl_clear_bits_prph(priv, APMG_PCIDEV_STT_REG, + APMG_PCIDEV_STT_VAL_L1_ACT_DIS); + iwlagn_send_wimax_coex(priv); iwlagn_set_Xtal_calib(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 9b912c0b6e59..36335b1b54d4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -90,170 +90,6 @@ MODULE_ALIAS("iwl4965"); static int iwlagn_ant_coupling; static bool iwlagn_bt_ch_announce = 1; -/** - * iwlagn_commit_rxon - commit staging_rxon to hardware - * - * The RXON command in staging_rxon is committed to the hardware and - * the active_rxon structure is updated with the new data. This - * function correctly transitions out of the RXON_ASSOC_MSK state if - * a HW tune is required based on the RXON structure changes. - */ -int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - /* cast away the const for active_rxon in this function */ - struct iwl_rxon_cmd *active_rxon = (void *)&ctx->active; - int ret; - bool new_assoc = - !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); - bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK); - - if (!iwl_is_alive(priv)) - return -EBUSY; - - if (!ctx->is_active) - return 0; - - /* always get timestamp with Rx frame */ - ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; - - ret = iwl_check_rxon_cmd(priv, ctx); - if (ret) { - IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n"); - return -EINVAL; - } - - /* - * receive commit_rxon request - * abort any previous channel switch if still in process - */ - if (priv->switch_rxon.switch_in_progress && - (priv->switch_rxon.channel != ctx->staging.channel)) { - IWL_DEBUG_11H(priv, "abort channel switch on %d\n", - le16_to_cpu(priv->switch_rxon.channel)); - iwl_chswitch_done(priv, false); - } - - /* If we don't need to send a full RXON, we can use - * iwl_rxon_assoc_cmd which is used to reconfigure filter - * and other flags for the current radio configuration. */ - if (!iwl_full_rxon_required(priv, ctx)) { - ret = iwl_send_rxon_assoc(priv, ctx); - if (ret) { - IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret); - return ret; - } - - memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); - iwl_print_rx_config_cmd(priv, ctx); - return 0; - } - - /* If we are currently associated and the new config requires - * an RXON_ASSOC and the new config wants the associated mask enabled, - * we must clear the associated from the active configuration - * before we apply the new config */ - if (iwl_is_associated_ctx(ctx) && new_assoc) { - IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n"); - active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - - ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, - sizeof(struct iwl_rxon_cmd), - active_rxon); - - /* If the mask clearing failed then we set - * active_rxon back to what it was previously */ - if (ret) { - active_rxon->filter_flags |= RXON_FILTER_ASSOC_MSK; - IWL_ERR(priv, "Error clearing ASSOC_MSK (%d)\n", ret); - return ret; - } - iwl_clear_ucode_stations(priv, ctx); - iwl_restore_stations(priv, ctx); - ret = iwl_restore_default_wep_keys(priv, ctx); - if (ret) { - IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); - return ret; - } - } - - IWL_DEBUG_INFO(priv, "Sending RXON\n" - "* with%s RXON_FILTER_ASSOC_MSK\n" - "* channel = %d\n" - "* bssid = %pM\n", - (new_assoc ? "" : "out"), - le16_to_cpu(ctx->staging.channel), - ctx->staging.bssid_addr); - - iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto); - - if (!old_assoc) { - /* - * First of all, before setting associated, we need to - * send RXON timing so the device knows about the DTIM - * period and other timing values - */ - ret = iwl_send_rxon_timing(priv, ctx); - if (ret) { - IWL_ERR(priv, "Error setting RXON timing!\n"); - return ret; - } - } - - if (priv->cfg->ops->hcmd->set_pan_params) { - ret = priv->cfg->ops->hcmd->set_pan_params(priv); - if (ret) - return ret; - } - - /* Apply the new configuration - * RXON unassoc clears the station table in uCode so restoration of - * stations is needed after it (the RXON command) completes - */ - if (!new_assoc) { - ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, - sizeof(struct iwl_rxon_cmd), &ctx->staging); - if (ret) { - IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); - return ret; - } - IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n"); - memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); - iwl_clear_ucode_stations(priv, ctx); - iwl_restore_stations(priv, ctx); - ret = iwl_restore_default_wep_keys(priv, ctx); - if (ret) { - IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret); - return ret; - } - } - if (new_assoc) { - priv->start_calib = 0; - /* Apply the new configuration - * RXON assoc doesn't clear the station table in uCode, - */ - ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, - sizeof(struct iwl_rxon_cmd), &ctx->staging); - if (ret) { - IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); - return ret; - } - memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon)); - } - iwl_print_rx_config_cmd(priv, ctx); - - iwl_init_sensitivity(priv); - - /* If we issue a new RXON command which required a tune then we must - * send a new TXPOWER command or we won't be able to Tx any frames */ - ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); - if (ret) { - IWL_ERR(priv, "Error sending TX power (%d)\n", ret); - return ret; - } - - return 0; -} - void iwl_update_chain_flags(struct iwl_priv *priv) { struct iwl_rxon_context *ctx; @@ -261,7 +97,8 @@ void iwl_update_chain_flags(struct iwl_priv *priv) if (priv->cfg->ops->hcmd->set_rxon_chain) { for_each_context(priv, ctx) { priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - iwlcore_commit_rxon(priv, ctx); + if (ctx->active.rx_chain != ctx->staging.rx_chain) + iwlcore_commit_rxon(priv, ctx); } } } @@ -411,7 +248,8 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv, return sizeof(*tx_beacon_cmd) + frame_size; } -static int iwl_send_beacon_cmd(struct iwl_priv *priv) + +int iwlagn_send_beacon_cmd(struct iwl_priv *priv) { struct iwl_frame *frame; unsigned int frame_size; @@ -661,7 +499,7 @@ static void iwl_bg_beacon_update(struct work_struct *work) priv->beacon_skb = beacon; - iwl_send_beacon_cmd(priv); + iwlagn_send_beacon_cmd(priv); out: mutex_unlock(&priv->mutex); } @@ -2664,7 +2502,7 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, return pos; } - /* enable/disable bt channel announcement */ + /* enable/disable bt channel inhibition */ priv->bt_ch_announce = iwlagn_bt_ch_announce; #ifdef CONFIG_IWLWIFI_DEBUG @@ -2816,13 +2654,8 @@ static void iwl_alive_start(struct iwl_priv *priv) /* After the ALIVE response, we can send host commands to the uCode */ set_bit(STATUS_ALIVE, &priv->status); - if (priv->cfg->ops->lib->recover_from_tx_stall) { - /* Enable timer to monitor the driver queues */ - mod_timer(&priv->monitor_recover, - jiffies + - msecs_to_jiffies( - priv->cfg->base_params->monitor_recover_period)); - } + /* Enable watchdog to monitor the driver tx queues */ + iwl_setup_watchdog(priv); if (iwl_is_rfkill(priv)) return; @@ -2879,6 +2712,8 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl_reset_run_time_calib(priv); + set_bit(STATUS_READY, &priv->status); + /* Configure the adapter for unassociated operation */ iwlcore_commit_rxon(priv, ctx); @@ -2888,7 +2723,6 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl_leds_init(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); - set_bit(STATUS_READY, &priv->status); wake_up_interruptible(&priv->wait_command_queue); iwl_power_update_mode(priv, true); @@ -2916,8 +2750,7 @@ static void __iwl_down(struct iwl_priv *priv) /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set * to prevent rearm timer */ - if (priv->cfg->ops->lib->recover_from_tx_stall) - del_timer_sync(&priv->monitor_recover); + del_timer_sync(&priv->watchdog); iwl_clear_ucode_stations(priv, NULL); iwl_dealloc_bcast_stations(priv); @@ -2978,7 +2811,8 @@ static void __iwl_down(struct iwl_priv *priv) STATUS_EXIT_PENDING; /* device going down, Stop using ICT table */ - iwl_disable_ict(priv); + if (priv->cfg->ops->lib->isr_ops.disable) + priv->cfg->ops->lib->isr_ops.disable(priv); iwlagn_txq_ctx_stop(priv); iwlagn_rxq_stop(priv); @@ -3201,7 +3035,8 @@ static void iwl_bg_alive_start(struct work_struct *data) return; /* enable dram interrupt */ - iwl_reset_ict(priv); + if (priv->cfg->ops->lib->isr_ops.reset) + priv->cfg->ops->lib->isr_ops.reset(priv); mutex_lock(&priv->mutex); iwl_alive_start(priv); @@ -3309,92 +3144,6 @@ static void iwl_bg_rx_replenish(struct work_struct *data) mutex_unlock(&priv->mutex); } -#define IWL_DELAY_NEXT_SCAN (HZ*2) - -void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) -{ - struct iwl_rxon_context *ctx; - struct ieee80211_conf *conf = NULL; - int ret = 0; - - if (!vif || !priv->is_open) - return; - - ctx = iwl_rxon_ctx_from_vif(vif); - - if (vif->type == NL80211_IFTYPE_AP) { - IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__); - return; - } - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - iwl_scan_cancel_timeout(priv, 200); - - conf = ieee80211_get_hw_conf(priv->hw); - - ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwlcore_commit_rxon(priv, ctx); - - ret = iwl_send_rxon_timing(priv, ctx); - if (ret) - IWL_WARN(priv, "RXON timing - " - "Attempting to continue.\n"); - - ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; - - iwl_set_rxon_ht(priv, &priv->current_ht_config); - - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - - ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid); - - IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", - vif->bss_conf.aid, vif->bss_conf.beacon_int); - - if (vif->bss_conf.use_short_preamble) - ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; - else - ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; - - if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.use_short_slot) - ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; - else - ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - } - - iwlcore_commit_rxon(priv, ctx); - - IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n", - vif->bss_conf.aid, ctx->active.bssid_addr); - - switch (vif->type) { - case NL80211_IFTYPE_STATION: - break; - case NL80211_IFTYPE_ADHOC: - iwl_send_beacon_cmd(priv); - break; - default: - IWL_ERR(priv, "%s Should not be called in %d mode\n", - __func__, vif->type); - break; - } - - /* the chain noise calibration will enabled PM upon completion - * If chain noise has already been run, then we need to enable - * power management here */ - if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE) - iwl_power_update_mode(priv, false); - - /* Enable Rx differential gain and sensitivity calibrations */ - iwl_chain_noise_reset(priv); - priv->start_calib = 1; - -} - /***************************************************************************** * * mac80211 entry point functions @@ -3420,7 +3169,8 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_NEED_DTIM_PERIOD | - IEEE80211_HW_SPECTRUM_MGMT; + IEEE80211_HW_SPECTRUM_MGMT | + IEEE80211_HW_REPORTS_TX_ACK_STATUS; if (!priv->cfg->base_params->broken_powersave) hw->flags |= IEEE80211_HW_SUPPORTS_PS | @@ -3474,7 +3224,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, } -static int iwl_mac_start(struct ieee80211_hw *hw) +int iwlagn_mac_start(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; int ret; @@ -3515,7 +3265,7 @@ out: return 0; } -static void iwl_mac_stop(struct ieee80211_hw *hw) +void iwlagn_mac_stop(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; @@ -3530,14 +3280,15 @@ static void iwl_mac_stop(struct ieee80211_hw *hw) flush_workqueue(priv->workqueue); - /* enable interrupts again in order to receive rfkill changes */ + /* User space software may expect getting rfkill changes + * even if interface is down */ iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_enable_interrupts(priv); + iwl_enable_rfkill_int(priv); IWL_DEBUG_MAC80211(priv, "leave\n"); } -static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) +int iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct iwl_priv *priv = hw->priv; @@ -3553,73 +3304,12 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return NETDEV_TX_OK; } -void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) -{ - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - int ret = 0; - - lockdep_assert_held(&priv->mutex); - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - /* The following should be done only at AP bring up */ - if (!iwl_is_associated_ctx(ctx)) { - - /* RXON - unassoc (to set timing command) */ - ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwlcore_commit_rxon(priv, ctx); - - /* RXON Timing */ - ret = iwl_send_rxon_timing(priv, ctx); - if (ret) - IWL_WARN(priv, "RXON timing failed - " - "Attempting to continue.\n"); - - /* AP has all antennas */ - priv->chain_noise_data.active_chains = - priv->hw_params.valid_rx_ant; - iwl_set_rxon_ht(priv, &priv->current_ht_config); - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - - ctx->staging.assoc_id = 0; - - if (vif->bss_conf.use_short_preamble) - ctx->staging.flags |= - RXON_FLG_SHORT_PREAMBLE_MSK; - else - ctx->staging.flags &= - ~RXON_FLG_SHORT_PREAMBLE_MSK; - - if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.use_short_slot) - ctx->staging.flags |= - RXON_FLG_SHORT_SLOT_MSK; - else - ctx->staging.flags &= - ~RXON_FLG_SHORT_SLOT_MSK; - } - /* need to send beacon cmd before committing assoc RXON! */ - iwl_send_beacon_cmd(priv); - /* restore RXON assoc */ - ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; - iwlcore_commit_rxon(priv, ctx); - } - iwl_send_beacon_cmd(priv); - - /* FIXME - we need to add code here to detect a totally new - * configuration, reset the AP, unassoc, rxon timing, assoc, - * clear sta table, add BCAST sta... */ -} - -static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_key_conf *keyconf, - struct ieee80211_sta *sta, - u32 iv32, u16 *phase1key) +void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, + u32 iv32, u16 *phase1key) { - struct iwl_priv *priv = hw->priv; struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; @@ -3631,10 +3321,9 @@ static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "leave\n"); } -static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) +int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) { struct iwl_priv *priv = hw->priv; struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; @@ -3701,10 +3390,10 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return ret; } -static int iwl_mac_ampdu_action(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum ieee80211_ampdu_mlme_action action, - struct ieee80211_sta *sta, u16 tid, u16 *ssn) +int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn) { struct iwl_priv *priv = hw->priv; int ret = -EINVAL; @@ -3785,39 +3474,9 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw, return ret; } -static void iwl_mac_sta_notify(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum sta_notify_cmd cmd, - struct ieee80211_sta *sta) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - int sta_id; - - switch (cmd) { - case STA_NOTIFY_SLEEP: - WARN_ON(!sta_priv->client); - sta_priv->asleep = true; - if (atomic_read(&sta_priv->pending_frames) > 0) - ieee80211_sta_block_awake(hw, sta, true); - break; - case STA_NOTIFY_AWAKE: - WARN_ON(!sta_priv->client); - if (!sta_priv->asleep) - break; - sta_priv->asleep = false; - sta_id = iwl_sta_id(sta); - if (sta_id != IWL_INVALID_STATION) - iwl_sta_modify_ps_wake(priv, sta_id); - break; - default: - break; - } -} - -static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) +int iwlagn_mac_sta_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) { struct iwl_priv *priv = hw->priv; struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; @@ -3858,8 +3517,8 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, return 0; } -static void iwl_mac_channel_switch(struct ieee80211_hw *hw, - struct ieee80211_channel_switch *ch_switch) +void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_channel_switch *ch_switch) { struct iwl_priv *priv = hw->priv; const struct iwl_channel_info *ch_info; @@ -3956,10 +3615,10 @@ out_exit: IWL_DEBUG_MAC80211(priv, "leave\n"); } -static void iwlagn_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - u64 multicast) +void iwlagn_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) { struct iwl_priv *priv = hw->priv; __le32 filter_or = 0, filter_nand = 0; @@ -3976,7 +3635,8 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, changed_flags, *total_flags); CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); - CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK); + /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ + CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); #undef CHK @@ -3986,7 +3646,11 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, for_each_context(priv, ctx) { ctx->staging.filter_flags &= ~filter_nand; ctx->staging.filter_flags |= filter_or; - iwlcore_commit_rxon(priv, ctx); + + /* + * Not committing directly because hardware can perform a scan, + * but we'll eventually commit the filter flags change anyway. + */ } mutex_unlock(&priv->mutex); @@ -4001,7 +3665,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; } -static void iwl_mac_flush(struct ieee80211_hw *hw, bool drop) +void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) { struct iwl_priv *priv = hw->priv; @@ -4074,12 +3738,9 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) priv->ucode_trace.data = (unsigned long)priv; priv->ucode_trace.function = iwl_bg_ucode_trace; - if (priv->cfg->ops->lib->recover_from_tx_stall) { - init_timer(&priv->monitor_recover); - priv->monitor_recover.data = (unsigned long)priv; - priv->monitor_recover.function = - priv->cfg->ops->lib->recover_from_tx_stall; - } + init_timer(&priv->watchdog); + priv->watchdog.data = (unsigned long)priv; + priv->watchdog.function = iwl_bg_watchdog; if (!priv->cfg->base_params->use_isr_legacy) tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) @@ -4172,13 +3833,13 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; priv->bt_duration = BT_DURATION_LIMIT_DEF; priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; - priv->dynamic_agg_thresh = BT_AGG_THRESHOLD_DEF; } /* Set the tx_power_user_lmt to the lowest power level * this value will get overwritten by channel max power avg * from eeprom */ priv->tx_power_user_lmt = IWLAGN_TX_POWER_TARGET_POWER_MIN; + priv->tx_power_next = IWLAGN_TX_POWER_TARGET_POWER_MIN; ret = iwl_init_channel_map(priv); if (ret) { @@ -4209,28 +3870,30 @@ static void iwl_uninit_drv(struct iwl_priv *priv) kfree(priv->scan_cmd); } -static struct ieee80211_ops iwl_hw_ops = { - .tx = iwl_mac_tx, - .start = iwl_mac_start, - .stop = iwl_mac_stop, +#ifdef CONFIG_IWL5000 +struct ieee80211_ops iwlagn_hw_ops = { + .tx = iwlagn_mac_tx, + .start = iwlagn_mac_start, + .stop = iwlagn_mac_stop, .add_interface = iwl_mac_add_interface, .remove_interface = iwl_mac_remove_interface, - .config = iwl_mac_config, + .change_interface = iwl_mac_change_interface, + .config = iwlagn_mac_config, .configure_filter = iwlagn_configure_filter, - .set_key = iwl_mac_set_key, - .update_tkip_key = iwl_mac_update_tkip_key, + .set_key = iwlagn_mac_set_key, + .update_tkip_key = iwlagn_mac_update_tkip_key, .conf_tx = iwl_mac_conf_tx, - .reset_tsf = iwl_mac_reset_tsf, - .bss_info_changed = iwl_bss_info_changed, - .ampdu_action = iwl_mac_ampdu_action, + .bss_info_changed = iwlagn_bss_info_changed, + .ampdu_action = iwlagn_mac_ampdu_action, .hw_scan = iwl_mac_hw_scan, - .sta_notify = iwl_mac_sta_notify, + .sta_notify = iwlagn_mac_sta_notify, .sta_add = iwlagn_mac_sta_add, .sta_remove = iwl_mac_sta_remove, - .channel_switch = iwl_mac_channel_switch, - .flush = iwl_mac_flush, + .channel_switch = iwlagn_mac_channel_switch, + .flush = iwlagn_mac_flush, .tx_last_beacon = iwl_mac_tx_last_beacon, }; +#endif static void iwl_hw_detect(struct iwl_priv *priv) { @@ -4298,10 +3961,15 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (cfg->mod_params->disable_hw_scan) { dev_printk(KERN_DEBUG, &(pdev->dev), "sw scan support is deprecated\n"); - iwl_hw_ops.hw_scan = NULL; +#ifdef CONFIG_IWL5000 + iwlagn_hw_ops.hw_scan = NULL; +#endif +#ifdef CONFIG_IWL4965 + iwl4965_hw_ops.hw_scan = NULL; +#endif } - hw = iwl_alloc_all(cfg, &iwl_hw_ops); + hw = iwl_alloc_all(cfg); if (!hw) { err = -ENOMEM; goto out; @@ -4333,6 +4001,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 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; @@ -4368,8 +4037,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) (iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? true : false; - /* enable/disable bt channel announcement */ + /* enable/disable bt channel inhibition */ priv->bt_ch_announce = iwlagn_bt_ch_announce; + IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", + (priv->bt_ch_announce) ? "On" : "Off"); if (iwl_alloc_traffic_mem(priv)) IWL_ERR(priv, "Not enough memory to generate traffic log\n"); @@ -4461,6 +4132,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto out_free_eeprom; + err = iwl_eeprom_check_sku(priv); + if (err) + goto out_free_eeprom; + /* extract MAC Address */ iwl_eeprom_get_mac(priv, priv->addresses[0].addr); IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); @@ -4500,8 +4175,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_enable_msi(priv->pci_dev); - iwl_alloc_isr_ict(priv); - err = request_irq(priv->pci_dev->irq, priv->cfg->ops->lib->isr, + if (priv->cfg->ops->lib->isr_ops.alloc) + priv->cfg->ops->lib->isr_ops.alloc(priv); + + err = request_irq(priv->pci_dev->irq, priv->cfg->ops->lib->isr_ops.isr, IRQF_SHARED, DRV_NAME, priv); if (err) { IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq); @@ -4515,14 +4192,14 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * 8. Enable interrupts and read RFKILL state *********************************************/ - /* enable interrupts if needed: hw bug w/a */ + /* enable rfkill interrupt: hw bug w/a */ pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd); if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd); } - iwl_enable_interrupts(priv); + 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) @@ -4548,7 +4225,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) destroy_workqueue(priv->workqueue); priv->workqueue = NULL; free_irq(priv->pci_dev->irq, priv); - iwl_free_isr_ict(priv); + if (priv->cfg->ops->lib->isr_ops.free) + priv->cfg->ops->lib->isr_ops.free(priv); out_disable_msi: pci_disable_msi(priv->pci_dev); iwl_uninit_drv(priv); @@ -4643,7 +4321,8 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) iwl_uninit_drv(priv); - iwl_free_isr_ict(priv); + if (priv->cfg->ops->lib->isr_ops.free) + priv->cfg->ops->lib->isr_ops.free(priv); dev_kfree_skb(priv->beacon_skb); @@ -4734,51 +4413,32 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)}, {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)}, -/* 6x00 Series Gen2a */ - {IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1211, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1221, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1206, iwl6000g2a_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1216, iwl6000g2a_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1226, iwl6000g2a_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1207, iwl6000g2a_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6000g2a_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6000g2a_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6000g2a_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6000g2a_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6000g2a_2abg_cfg)}, - -/* 6x00 Series Gen2b */ - {IWL_PCI_DEVICE(0x008F, 0x5105, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5115, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5125, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5107, iwl6000g2b_bg_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5201, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5221, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5206, iwl6000g2b_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5226, iwl6000g2b_2abg_cfg)}, - {IWL_PCI_DEVICE(0x008F, 0x5207, iwl6000g2b_2bg_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5301, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5305, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5307, iwl6000g2b_bg_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5321, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008A, 0x5325, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008B, 0x5311, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x008B, 0x5315, iwl6000g2b_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6000g2b_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6000g2b_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6000g2b_2abg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6000g2b_2bg_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6000g2b_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6000g2b_2bgn_cfg)}, - {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6000g2b_2abg_cfg)}, +/* 6x05 Series */ + {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, + +/* 6x30 Series */ + {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)}, + {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)}, + {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)}, + {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)}, /* 6x50 WiFi/WiMax Series */ {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)}, @@ -4788,13 +4448,13 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)}, {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, -/* 6x50 WiFi/WiMax Series Gen2 */ - {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6050g2_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1306, iwl6050g2_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6050g2_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0885, 0x1326, iwl6050g2_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6050g2_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0886, 0x1316, iwl6050g2_bgn_cfg)}, +/* 6150 WiFi/WiMax Series */ + {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1306, iwl6150_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1326, iwl6150_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0886, 0x1316, iwl6150_bgn_cfg)}, /* 1000 Series WiFi */ {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)}, @@ -4812,10 +4472,11 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 100 Series WiFi */ {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)}, + {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)}, {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)}, + {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)}, {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)}, - {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)}, - {IWL_PCI_DEVICE(0x08AE, 0x1017, iwl100_bg_cfg)}, + {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)}, /* 130 Series WiFi */ {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)}, @@ -4836,10 +4497,7 @@ static struct pci_driver iwl_driver = { .id_table = iwl_hw_card_ids, .probe = iwl_pci_probe, .remove = __devexit_p(iwl_pci_remove), -#ifdef CONFIG_PM - .suspend = iwl_pci_suspend, - .resume = iwl_pci_resume, -#endif + .driver.pm = IWL_PM_OPS, }; static int __init iwl_init(void) @@ -4925,6 +4583,6 @@ module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO); MODULE_PARM_DESC(antenna_coupling, "specify antenna coupling in dB (defualt: 0 dB)"); -module_param_named(bt_ch_announce, iwlagn_bt_ch_announce, bool, S_IRUGO); -MODULE_PARM_DESC(bt_ch_announce, - "Enable BT channel announcement mode (default: enable)"); +module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO); +MODULE_PARM_DESC(bt_ch_inhibition, + "Disable BT channel inhibition (default: enable)"); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index f525d55f2c0f..da303585f801 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -74,22 +74,22 @@ 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 iwl6000g2a_2agn_cfg; -extern struct iwl_cfg iwl6000g2a_2abg_cfg; -extern struct iwl_cfg iwl6000g2a_2bg_cfg; -extern struct iwl_cfg iwl6000g2b_bgn_cfg; -extern struct iwl_cfg iwl6000g2b_bg_cfg; -extern struct iwl_cfg iwl6000g2b_2agn_cfg; -extern struct iwl_cfg iwl6000g2b_2abg_cfg; -extern struct iwl_cfg iwl6000g2b_2bgn_cfg; -extern struct iwl_cfg iwl6000g2b_2bg_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 iwl6050g2_bgn_cfg; +extern struct iwl_cfg iwl6150_bgn_cfg; extern struct iwl_cfg iwl1000_bgn_cfg; extern struct iwl_cfg iwl1000_bg_cfg; extern struct iwl_cfg iwl100_bgn_cfg; @@ -102,6 +102,9 @@ extern struct iwl_hcmd_ops iwlagn_hcmd; extern struct iwl_hcmd_ops iwlagn_bt_hcmd; extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils; +extern struct ieee80211_ops iwlagn_hw_ops; +extern struct ieee80211_ops iwl4965_hw_ops; + 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); @@ -132,6 +135,11 @@ void iwl_free_tfds_in_queue(struct iwl_priv *priv, /* RXON */ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx); +int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed); +void iwlagn_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes); /* uCode */ int iwlagn_load_ucode(struct iwl_priv *priv); @@ -249,6 +257,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv, int iwlagn_send_rxon_assoc(struct iwl_priv *priv, struct iwl_rxon_context *ctx); int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant); +int iwlagn_send_beacon_cmd(struct iwl_priv *priv); /* bt coex */ void iwlagn_send_advance_bt_config(struct iwl_priv *priv); @@ -292,9 +301,12 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, int tid, u16 ssn); int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, int tid); -void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id); void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); int iwl_update_bcast_stations(struct iwl_priv *priv); +void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, + struct ieee80211_sta *sta); /* rate */ static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) @@ -318,4 +330,31 @@ void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac); int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv); void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv); +/* mac80211 handlers (for 4965) */ +int iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); +int iwlagn_mac_start(struct ieee80211_hw *hw); +void iwlagn_mac_stop(struct ieee80211_hw *hw); +void iwlagn_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast); +int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key); +void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, + u32 iv32, u16 *phase1key); +int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn); +int iwlagn_mac_sta_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_channel_switch *ch_switch); +void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop); + #endif /* __iwl_agn_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 424801abc80e..f893d4a6aa87 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2022,6 +2022,9 @@ struct iwl_compressed_ba_resp { __le64 bitmap; __le16 scd_flow; __le16 scd_ssn; + /* following only for 5000 series and up */ + u8 txed; /* number of frames sent */ + u8 txed_2_done; /* number of frames acked */ } __packed; /* @@ -2407,9 +2410,9 @@ struct iwl_link_quality_cmd { #define BT_FRAG_THRESHOLD_MAX 0 #define BT_FRAG_THRESHOLD_MIN 0 -#define BT_AGG_THRESHOLD_DEF 0 -#define BT_AGG_THRESHOLD_MAX 0 -#define BT_AGG_THRESHOLD_MIN 0 +#define BT_AGG_THRESHOLD_DEF 1200 +#define BT_AGG_THRESHOLD_MAX 8000 +#define BT_AGG_THRESHOLD_MIN 400 /* * REPLY_BT_CONFIG = 0x9b (command, has simple generic response) @@ -2436,8 +2439,9 @@ struct iwl_bt_cmd { #define IWLAGN_BT_FLAG_COEX_MODE_3W 2 #define IWLAGN_BT_FLAG_COEX_MODE_4W 3 -#define IWLAGN_BT_FLAG_UCODE_DEFAULT BIT(6) -#define IWLAGN_BT_FLAG_NOCOEX_NOTIF BIT(7) +#define IWLAGN_BT_FLAG_UCODE_DEFAULT BIT(6) +/* Disable Sync PSPoll on SCO/eSCO */ +#define IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE BIT(7) #define IWLAGN_BT_PRIO_BOOST_MAX 0xFF #define IWLAGN_BT_PRIO_BOOST_MIN 0x00 @@ -2447,8 +2451,9 @@ struct iwl_bt_cmd { #define IWLAGN_BT3_T7_DEFAULT 1 -#define IWLAGN_BT_KILL_ACK_MASK_DEFAULT cpu_to_le32(0xffffffff) -#define IWLAGN_BT_KILL_CTS_MASK_DEFAULT cpu_to_le32(0xffffffff) +#define IWLAGN_BT_KILL_ACK_MASK_DEFAULT cpu_to_le32(0xffff0000) +#define IWLAGN_BT_KILL_CTS_MASK_DEFAULT cpu_to_le32(0xffff0000) +#define IWLAGN_BT_KILL_ACK_CTS_MASK_SCO cpu_to_le32(0xffffffff) #define IWLAGN_BT3_PRIO_SAMPLE_DEFAULT 2 @@ -2664,9 +2669,16 @@ struct iwl_spectrum_notification { #define IWL_POWER_VEC_SIZE 5 #define IWL_POWER_DRIVER_ALLOW_SLEEP_MSK cpu_to_le16(BIT(0)) +#define IWL_POWER_POWER_SAVE_ENA_MSK cpu_to_le16(BIT(0)) +#define IWL_POWER_POWER_MANAGEMENT_ENA_MSK cpu_to_le16(BIT(1)) #define IWL_POWER_SLEEP_OVER_DTIM_MSK cpu_to_le16(BIT(2)) #define IWL_POWER_PCI_PM_MSK cpu_to_le16(BIT(3)) #define IWL_POWER_FAST_PD cpu_to_le16(BIT(4)) +#define IWL_POWER_BEACON_FILTERING cpu_to_le16(BIT(5)) +#define IWL_POWER_SHADOW_REG_ENA cpu_to_le16(BIT(6)) +#define IWL_POWER_CT_KILL_SET cpu_to_le16(BIT(7)) +#define IWL_POWER_BT_SCO_ENA cpu_to_le16(BIT(8)) +#define IWL_POWER_ADVANCE_PM_ENA_MSK cpu_to_le16(BIT(9)) struct iwl3945_powertable_cmd { __le16 flags; diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 8700ab38d599..efbde1f1a8bf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -77,15 +77,15 @@ EXPORT_SYMBOL(iwl_bcast_addr); /* This function both allocates and initializes hw and priv. */ -struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, - struct ieee80211_ops *hw_ops) +struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) { struct iwl_priv *priv; - /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ - struct ieee80211_hw *hw = - ieee80211_alloc_hw(sizeof(struct iwl_priv), hw_ops); + struct ieee80211_hw *hw; + + hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), + cfg->ops->ieee80211_ops); if (hw == NULL) { pr_err("%s: Can not allocate network device\n", cfg->name); @@ -100,35 +100,6 @@ out: } EXPORT_SYMBOL(iwl_alloc_all); -/* - * QoS support -*/ -static void iwl_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - if (!ctx->is_active) - return; - - ctx->qos_data.def_qos_parm.qos_flags = 0; - - if (ctx->qos_data.qos_active) - ctx->qos_data.def_qos_parm.qos_flags |= - QOS_PARAM_FLG_UPDATE_EDCA_MSK; - - if (ctx->ht.enabled) - ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; - - IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", - ctx->qos_data.qos_active, - ctx->qos_data.def_qos_parm.qos_flags); - - iwl_send_cmd_pdu_async(priv, ctx->qos_cmd, - sizeof(struct iwl_qosparam_cmd), - &ctx->qos_data.def_qos_parm, NULL); -} - #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, @@ -317,40 +288,6 @@ void iwlcore_free_geos(struct iwl_priv *priv) } EXPORT_SYMBOL(iwlcore_free_geos); -/* - * iwlcore_tx_cmd_protection: Set rts/cts. 3945 and 4965 only share this - * function. - */ -void iwlcore_tx_cmd_protection(struct iwl_priv *priv, - struct ieee80211_tx_info *info, - __le16 fc, __le32 *tx_flags) -{ - if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { - *tx_flags |= TX_CMD_FLG_RTS_MSK; - *tx_flags &= ~TX_CMD_FLG_CTS_MSK; - *tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK; - - if (!ieee80211_is_mgmt(fc)) - return; - - switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { - case cpu_to_le16(IEEE80211_STYPE_AUTH): - case cpu_to_le16(IEEE80211_STYPE_DEAUTH): - case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): - case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): - *tx_flags &= ~TX_CMD_FLG_RTS_MSK; - *tx_flags |= TX_CMD_FLG_CTS_MSK; - break; - } - } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - *tx_flags &= ~TX_CMD_FLG_RTS_MSK; - *tx_flags |= TX_CMD_FLG_CTS_MSK; - *tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK; - } -} -EXPORT_SYMBOL(iwlcore_tx_cmd_protection); - - static bool iwl_is_channel_extension(struct iwl_priv *priv, enum ieee80211_band band, u16 channel, u8 extension_chan_offset) @@ -1020,6 +957,22 @@ void iwl_irq_handle_error(struct iwl_priv *priv) /* Cancel currently queued command. */ clear_bit(STATUS_HCMD_ACTIVE, &priv->status); + /* 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))) { + wake_up_interruptible(&priv->wait_command_queue); + /* + *Keep the restart process from trying to send host + * commands by clearing the INIT status bit + */ + clear_bit(STATUS_READY, &priv->status); + IWL_ERR(priv, "RF is used by WiMAX\n"); + return; + } + IWL_ERR(priv, "Loaded firmware version: %s\n", priv->hw->wiphy->fw_version); @@ -1206,8 +1159,16 @@ EXPORT_SYMBOL(iwl_apm_init); int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) { - int ret = 0; - s8 prev_tx_power = priv->tx_power_user_lmt; + int ret; + s8 prev_tx_power; + + lockdep_assert_held(&priv->mutex); + + if (priv->tx_power_user_lmt == tx_power && !force) + return 0; + + if (!priv->cfg->ops->lib->send_tx_power) + return -EOPNOTSUPP; if (tx_power < IWLAGN_TX_POWER_TARGET_POWER_MIN) { IWL_WARN(priv, @@ -1224,93 +1185,29 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) return -EINVAL; } - if (priv->tx_power_user_lmt != tx_power) - force = true; + if (!iwl_is_ready_rf(priv)) + return -EIO; - /* if nic is not up don't send command */ - if (iwl_is_ready_rf(priv)) { - priv->tx_power_user_lmt = tx_power; - if (force && priv->cfg->ops->lib->send_tx_power) - ret = priv->cfg->ops->lib->send_tx_power(priv); - else if (!priv->cfg->ops->lib->send_tx_power) - ret = -EOPNOTSUPP; - /* - * if fail to set tx_power, restore the orig. tx power - */ - if (ret) - priv->tx_power_user_lmt = prev_tx_power; + /* scan complete use tx_power_next, need to be updated */ + priv->tx_power_next = tx_power; + if (test_bit(STATUS_SCANNING, &priv->status) && !force) { + IWL_DEBUG_INFO(priv, "Deferring tx power set while scanning\n"); + return 0; } - /* - * Even this is an async host command, the command - * will always report success from uCode - * So once driver can placing the command into the queue - * successfully, driver can use priv->tx_power_user_lmt - * to reflect the current tx power - */ - return ret; -} -EXPORT_SYMBOL(iwl_set_tx_power); + prev_tx_power = priv->tx_power_user_lmt; + priv->tx_power_user_lmt = tx_power; -irqreturn_t iwl_isr_legacy(int irq, void *data) -{ - struct iwl_priv *priv = data; - u32 inta, inta_mask; - u32 inta_fh; - unsigned long flags; - if (!priv) - return IRQ_NONE; - - spin_lock_irqsave(&priv->lock, flags); + ret = priv->cfg->ops->lib->send_tx_power(priv); - /* 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); - - /* Discover which interrupts are active/pending */ - inta = iwl_read32(priv, CSR_INT); - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); - - /* 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 && !inta_fh) { - IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n"); - goto none; + /* if fail to set tx_power, restore the orig. tx power */ + if (ret) { + priv->tx_power_user_lmt = prev_tx_power; + priv->tx_power_next = prev_tx_power; } - - 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); - goto unplugged; - } - - IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", - inta, inta_mask, inta_fh); - - inta &= ~CSR_INT_BIT_SCD; - - /* iwl_irq_tasklet() will service interrupts and re-enable them */ - if (likely(inta || inta_fh)) - tasklet_schedule(&priv->irq_tasklet); - - unplugged: - spin_unlock_irqrestore(&priv->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)) - iwl_enable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); - return IRQ_NONE; + return ret; } -EXPORT_SYMBOL(iwl_isr_legacy); +EXPORT_SYMBOL(iwl_set_tx_power); void iwl_send_bt_config(struct iwl_priv *priv) { @@ -1326,6 +1223,7 @@ void iwl_send_bt_config(struct iwl_priv *priv) else bt_cmd.flags = BT_COEX_ENABLE; + priv->bt_enable_flag = bt_cmd.flags; IWL_DEBUG_INFO(priv, "BT coex %s\n", (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); @@ -1452,318 +1350,51 @@ int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw) } EXPORT_SYMBOL_GPL(iwl_mac_tx_last_beacon); -static void iwl_ht_conf(struct iwl_priv *priv, - struct ieee80211_vif *vif) +static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { - struct iwl_ht_config *ht_conf = &priv->current_ht_config; - struct ieee80211_sta *sta; - struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - IWL_DEBUG_MAC80211(priv, "enter:\n"); - - if (!ctx->ht.enabled) - return; - - ctx->ht.protection = - bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; - ctx->ht.non_gf_sta_present = - !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - - ht_conf->single_chain_sufficient = false; - - switch (vif->type) { - case NL80211_IFTYPE_STATION: - rcu_read_lock(); - sta = ieee80211_find_sta(vif, bss_conf->bssid); - if (sta) { - struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; - int maxstreams; - - maxstreams = (ht_cap->mcs.tx_params & - IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK) - >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; - maxstreams += 1; - - if ((ht_cap->mcs.rx_mask[1] == 0) && - (ht_cap->mcs.rx_mask[2] == 0)) - ht_conf->single_chain_sufficient = true; - if (maxstreams <= 1) - ht_conf->single_chain_sufficient = true; - } else { - /* - * If at all, this can only happen through a race - * when the AP disconnects us while we're still - * setting up the connection, in that case mac80211 - * will soon tell us about that. - */ - ht_conf->single_chain_sufficient = true; - } - rcu_read_unlock(); - break; - case NL80211_IFTYPE_ADHOC: - ht_conf->single_chain_sufficient = true; - break; - default: - break; - } - - IWL_DEBUG_MAC80211(priv, "leave\n"); -} + iwl_connection_init_rx_config(priv, ctx); -static inline void iwl_set_no_assoc(struct iwl_priv *priv, - struct ieee80211_vif *vif) -{ - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - iwl_led_disassociate(priv); - /* - * inform the ucode that there is no longer an - * association and that no more packets should be - * sent - */ - ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ctx->staging.assoc_id = 0; - iwlcore_commit_rxon(priv, ctx); + return iwlcore_commit_rxon(priv, ctx); } -static void iwlcore_beacon_update(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) +static int iwl_setup_interface(struct iwl_priv *priv, + struct iwl_rxon_context *ctx) { - struct iwl_priv *priv = hw->priv; - unsigned long flags; - __le64 timestamp; - struct sk_buff *skb = ieee80211_beacon_get(hw, vif); - - if (!skb) - return; - - IWL_DEBUG_ASSOC(priv, "enter\n"); + struct ieee80211_vif *vif = ctx->vif; + int err; lockdep_assert_held(&priv->mutex); - if (!priv->beacon_ctx) { - IWL_ERR(priv, "update beacon but no beacon context!\n"); - dev_kfree_skb(skb); - return; - } - - spin_lock_irqsave(&priv->lock, flags); - - if (priv->beacon_skb) - dev_kfree_skb(priv->beacon_skb); - - priv->beacon_skb = skb; - - timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; - priv->timestamp = le64_to_cpu(timestamp); - - IWL_DEBUG_ASSOC(priv, "leave\n"); - - spin_unlock_irqrestore(&priv->lock, flags); - - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); - return; - } - - priv->cfg->ops->lib->post_associate(priv, priv->beacon_ctx->vif); -} - -void iwl_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf, - u32 changes) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - int ret; - - IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes); - - if (!iwl_is_alive(priv)) - return; - - mutex_lock(&priv->mutex); - - if (changes & BSS_CHANGED_QOS) { - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - ctx->qos_data.qos_active = bss_conf->qos; - iwl_update_qos(priv, ctx); - spin_unlock_irqrestore(&priv->lock, flags); - } - - if (changes & BSS_CHANGED_BEACON_ENABLED) { - /* - * the add_interface code must make sure we only ever - * have a single interface that could be beaconing at - * any time. - */ - if (vif->bss_conf.enable_beacon) - priv->beacon_ctx = ctx; - else - priv->beacon_ctx = NULL; - } - - if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_AP) { - dev_kfree_skb(priv->beacon_skb); - priv->beacon_skb = ieee80211_beacon_get(hw, vif); - } - - if (changes & BSS_CHANGED_BEACON_INT && vif->type == NL80211_IFTYPE_AP) - iwl_send_rxon_timing(priv, ctx); - - if (changes & BSS_CHANGED_BSSID) { - IWL_DEBUG_MAC80211(priv, "BSSID %pM\n", bss_conf->bssid); - - /* - * If there is currently a HW scan going on in the - * background then we need to cancel it else the RXON - * below/in post_associate will fail. - */ - if (iwl_scan_cancel_timeout(priv, 100)) { - IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); - IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); - mutex_unlock(&priv->mutex); - return; - } - - /* mac80211 only sets assoc when in STATION mode */ - if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) { - memcpy(ctx->staging.bssid_addr, - bss_conf->bssid, ETH_ALEN); - - /* currently needed in a few places */ - memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN); - } else { - ctx->staging.filter_flags &= - ~RXON_FILTER_ASSOC_MSK; - } - - } - /* - * This needs to be after setting the BSSID in case - * mac80211 decides to do both changes at once because - * it will invoke post_associate. + * This variable will be correct only when there's just + * a single context, but all code using it is for hardware + * that supports only one context. */ - if (vif->type == NL80211_IFTYPE_ADHOC && changes & BSS_CHANGED_BEACON) - iwlcore_beacon_update(hw, vif); - - if (changes & BSS_CHANGED_ERP_PREAMBLE) { - IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n", - bss_conf->use_short_preamble); - if (bss_conf->use_short_preamble) - ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; - else - ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; - } - - if (changes & BSS_CHANGED_ERP_CTS_PROT) { - IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot); - if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) - ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK; - else - ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; - if (bss_conf->use_cts_prot) - ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; - else - ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; - } - - if (changes & BSS_CHANGED_BASIC_RATES) { - /* XXX use this information - * - * To do that, remove code from iwl_set_rate() and put something - * like this here: - * - if (A-band) - ctx->staging.ofdm_basic_rates = - bss_conf->basic_rates; - else - ctx->staging.ofdm_basic_rates = - bss_conf->basic_rates >> 4; - ctx->staging.cck_basic_rates = - bss_conf->basic_rates & 0xF; - */ - } - - if (changes & BSS_CHANGED_HT) { - iwl_ht_conf(priv, vif); - - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - } - - if (changes & BSS_CHANGED_ASSOC) { - IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc); - if (bss_conf->assoc) { - priv->timestamp = bss_conf->timestamp; - - iwl_led_associate(priv); - - if (!iwl_is_rfkill(priv)) - priv->cfg->ops->lib->post_associate(priv, vif); - } else - iwl_set_no_assoc(priv, vif); - } - - if (changes && iwl_is_associated_ctx(ctx) && bss_conf->aid) { - IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n", - changes); - ret = iwl_send_rxon_assoc(priv, ctx); - if (!ret) { - /* Sync active_rxon with latest change. */ - memcpy((void *)&ctx->active, - &ctx->staging, - sizeof(struct iwl_rxon_cmd)); - } - } + priv->iw_mode = vif->type; - if (changes & BSS_CHANGED_BEACON_ENABLED) { - if (vif->bss_conf.enable_beacon) { - memcpy(ctx->staging.bssid_addr, - bss_conf->bssid, ETH_ALEN); - memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN); - iwl_led_associate(priv); - iwlcore_config_ap(priv, vif); - } else - iwl_set_no_assoc(priv, vif); - } + ctx->is_active = true; - if (changes & BSS_CHANGED_IBSS) { - ret = priv->cfg->ops->lib->manage_ibss_station(priv, vif, - bss_conf->ibss_joined); - if (ret) - IWL_ERR(priv, "failed to %s IBSS station %pM\n", - bss_conf->ibss_joined ? "add" : "remove", - bss_conf->bssid); + err = iwl_set_mode(priv, ctx); + if (err) { + if (!ctx->always_active) + ctx->is_active = false; + return err; } - if (changes & BSS_CHANGED_IDLE && - priv->cfg->ops->hcmd->set_pan_params) { - if (priv->cfg->ops->hcmd->set_pan_params(priv)) - IWL_ERR(priv, "failed to update PAN params\n"); + if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && + vif->type == NL80211_IFTYPE_ADHOC) { + /* + * pretend to have high BT traffic as long as we + * are operating in IBSS mode, as this will cause + * the rate scaling etc. to behave as intended. + */ + priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH; } - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); -} -EXPORT_SYMBOL(iwl_bss_info_changed); - -static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif) -{ - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - iwl_connection_init_rx_config(priv, ctx); - - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - - return iwlcore_commit_rxon(priv, ctx); + return 0; } int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) @@ -1771,7 +1402,7 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) struct iwl_priv *priv = hw->priv; struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; struct iwl_rxon_context *tmp, *ctx = NULL; - int err = 0; + int err; IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", vif->type, vif->addr); @@ -1813,36 +1444,11 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) vif_priv->ctx = ctx; ctx->vif = vif; - /* - * This variable will be correct only when there's just - * a single context, but all code using it is for hardware - * that supports only one context. - */ - priv->iw_mode = vif->type; - - ctx->is_active = true; - err = iwl_set_mode(priv, vif); - if (err) { - if (!ctx->always_active) - ctx->is_active = false; - goto out_err; - } - - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && - vif->type == NL80211_IFTYPE_ADHOC) { - /* - * pretend to have high BT traffic as long as we - * are operating in IBSS mode, as this will cause - * the rate scaling etc. to behave as intended. - */ - priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH; - } - - goto out; + err = iwl_setup_interface(priv, ctx); + if (!err) + goto out; - out_err: ctx->vif = NULL; priv->iw_mode = NL80211_IFTYPE_STATION; out: @@ -1853,27 +1459,24 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) } EXPORT_SYMBOL(iwl_mac_add_interface); -void iwl_mac_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) +static void iwl_teardown_interface(struct iwl_priv *priv, + struct ieee80211_vif *vif, + bool mode_change) { - struct iwl_priv *priv = hw->priv; struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->mutex); - - WARN_ON(ctx->vif != vif); - ctx->vif = NULL; + lockdep_assert_held(&priv->mutex); if (priv->scan_vif == vif) { iwl_scan_cancel_timeout(priv, 200); iwl_force_scan_end(priv); } - iwl_set_mode(priv, vif); - if (!ctx->always_active) - ctx->is_active = false; + if (!mode_change) { + iwl_set_mode(priv, ctx); + if (!ctx->always_active) + ctx->is_active = false; + } /* * When removing the IBSS interface, overwrite the @@ -1883,211 +1486,31 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, * both values are the same and zero. */ if (vif->type == NL80211_IFTYPE_ADHOC) - priv->bt_traffic_load = priv->notif_bt_traffic_load; - - memset(priv->bssid, 0, ETH_ALEN); - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -} -EXPORT_SYMBOL(iwl_mac_remove_interface); - -/** - * iwl_mac_config - mac80211 config callback - */ -int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) -{ - struct iwl_priv *priv = hw->priv; - const struct iwl_channel_info *ch_info; - struct ieee80211_conf *conf = &hw->conf; - struct ieee80211_channel *channel = conf->channel; - struct iwl_ht_config *ht_conf = &priv->current_ht_config; - struct iwl_rxon_context *ctx; - unsigned long flags = 0; - int ret = 0; - u16 ch; - int scan_active = 0; - - mutex_lock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n", - channel->hw_value, changed); - - if (unlikely(!priv->cfg->mod_params->disable_hw_scan && - test_bit(STATUS_SCANNING, &priv->status))) { - scan_active = 1; - IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); - } - - if (changed & (IEEE80211_CONF_CHANGE_SMPS | - IEEE80211_CONF_CHANGE_CHANNEL)) { - /* mac80211 uses static for non-HT which is what we want */ - priv->current_ht_config.smps = conf->smps_mode; - - /* - * Recalculate chain counts. - * - * If monitor mode is enabled then mac80211 will - * set up the SM PS mode to OFF if an HT channel is - * configured. - */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - for_each_context(priv, ctx) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - } - - /* during scanning mac80211 will delay channel setting until - * scan finish with changed = 0 - */ - if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) { - if (scan_active) - goto set_ch_out; - - ch = channel->hw_value; - ch_info = iwl_get_channel_info(priv, channel->band, ch); - if (!is_channel_valid(ch_info)) { - IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n"); - ret = -EINVAL; - goto set_ch_out; - } - - spin_lock_irqsave(&priv->lock, flags); - - for_each_context(priv, ctx) { - /* Configure HT40 channels */ - ctx->ht.enabled = conf_is_ht(conf); - if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } - } else - ctx->ht.is_40mhz = false; - - /* - * Default to no protection. Protection mode will - * later be set from BSS config in iwl_ht_conf - */ - ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE; - - /* if we are switching from ht to 2.4 clear flags - * from any ht related info since 2.4 does not - * support ht */ - if ((le16_to_cpu(ctx->staging.channel) != ch)) - ctx->staging.flags = 0; - - iwl_set_rxon_channel(priv, channel, ctx); - iwl_set_rxon_ht(priv, ht_conf); - - iwl_set_flags_for_band(priv, ctx, channel->band, - ctx->vif); - } - - spin_unlock_irqrestore(&priv->lock, flags); - - if (priv->cfg->ops->lib->update_bcast_stations) - ret = priv->cfg->ops->lib->update_bcast_stations(priv); - - set_ch_out: - /* The list of supported rates and rate mask can be different - * for each band; since the band may have changed, reset - * the rate mask to what mac80211 lists */ - iwl_set_rate(priv); - } - - if (changed & (IEEE80211_CONF_CHANGE_PS | - IEEE80211_CONF_CHANGE_IDLE)) { - ret = iwl_power_update_mode(priv, false); - if (ret) - IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); - } - - if (changed & IEEE80211_CONF_CHANGE_POWER) { - IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n", - priv->tx_power_user_lmt, conf->power_level); - - iwl_set_tx_power(priv, conf->power_level, false); - } - - if (!iwl_is_ready(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - goto out; - } - - if (scan_active) - goto out; - - for_each_context(priv, ctx) { - if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging))) - iwlcore_commit_rxon(priv, ctx); - else - IWL_DEBUG_INFO(priv, - "Not re-sending same RXON configuration.\n"); - } - -out: - IWL_DEBUG_MAC80211(priv, "leave\n"); - mutex_unlock(&priv->mutex); - return ret; + priv->bt_traffic_load = priv->last_bt_traffic_load; } -EXPORT_SYMBOL(iwl_mac_config); -void iwl_mac_reset_tsf(struct ieee80211_hw *hw) +void iwl_mac_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) { struct iwl_priv *priv = hw->priv; - unsigned long flags; - /* IBSS can only be the IWL_RXON_CTX_BSS context */ - struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "enter\n"); - spin_lock_irqsave(&priv->lock, flags); - memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_config)); - spin_unlock_irqrestore(&priv->lock, flags); - - spin_lock_irqsave(&priv->lock, flags); - - /* new association get rid of ibss beacon skb */ - if (priv->beacon_skb) - dev_kfree_skb(priv->beacon_skb); - - priv->beacon_skb = NULL; - - priv->timestamp = 0; - - spin_unlock_irqrestore(&priv->lock, flags); - - iwl_scan_cancel_timeout(priv, 100); - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - mutex_unlock(&priv->mutex); - return; - } + mutex_lock(&priv->mutex); - /* we are restarting association process - * clear RXON_FILTER_ASSOC_MSK bit - */ - ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwlcore_commit_rxon(priv, ctx); + WARN_ON(ctx->vif != vif); + ctx->vif = NULL; - iwl_set_rate(priv); + iwl_teardown_interface(priv, vif, false); + memset(priv->bssid, 0, ETH_ALEN); mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); + } -EXPORT_SYMBOL(iwl_mac_reset_tsf); +EXPORT_SYMBOL(iwl_mac_remove_interface); int iwl_alloc_txq_mem(struct iwl_priv *priv) { @@ -2431,77 +1854,115 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) return 0; } -/** - * iwl_bg_monitor_recover - Timer callback to check for stuck queue and recover - * - * During normal condition (no queue is stuck), the timer is continually set to - * execute every monitor_recover_period milliseconds after the last timer - * expired. When the queue read_ptr is at the same place, the timer is - * shorten to 100mSecs. This is - * 1) to reduce the chance that the read_ptr may wrap around (not stuck) - * 2) to detect the stuck queues quicker before the station and AP can - * disassociate each other. - * - * This function monitors all the tx queues and recover from it if any - * of the queues are stuck. - * 1. It first check the cmd queue for stuck conditions. If it is stuck, - * it will recover by resetting the firmware and return. - * 2. Then, it checks for station association. If it associates it will check - * other queues. If any queue is stuck, it will recover by resetting - * the firmware. - * Note: It the number of times the queue read_ptr to be at the same place to - * be MAX_REPEAT+1 in order to consider to be stuck. - */ +int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + enum nl80211_iftype newtype, bool newp2p) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + struct iwl_rxon_context *tmp; + u32 interface_modes; + int err; + + newtype = ieee80211_iftype_p2p(newtype, newp2p); + + mutex_lock(&priv->mutex); + + interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes; + + if (!(interface_modes & BIT(newtype))) { + err = -EBUSY; + goto out; + } + + if (ctx->exclusive_interface_modes & BIT(newtype)) { + for_each_context(priv, tmp) { + if (ctx == tmp) + continue; + + if (!tmp->vif) + continue; + + /* + * The current mode switch would be exclusive, but + * another context is active ... refuse the switch. + */ + err = -EBUSY; + goto out; + } + } + + /* success */ + iwl_teardown_interface(priv, vif, true); + vif->type = newtype; + err = iwl_setup_interface(priv, ctx); + WARN_ON(err); + /* + * We've switched internally, but submitting to the + * device may have failed for some reason. Mask this + * error, because otherwise mac80211 will not switch + * (and set the interface type back) and we'll be + * out of sync with it. + */ + err = 0; + + out: + mutex_unlock(&priv->mutex); + return err; +} +EXPORT_SYMBOL(iwl_mac_change_interface); + /* - * The maximum number of times the read pointer of the tx queue at the - * same place without considering to be stuck. + * 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. */ -#define MAX_REPEAT (2) static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt) { - struct iwl_tx_queue *txq; - struct iwl_queue *q; + struct iwl_tx_queue *txq = &priv->txq[cnt]; + struct iwl_queue *q = &txq->q; + unsigned long timeout; + int ret; - txq = &priv->txq[cnt]; - q = &txq->q; - /* queue is empty, skip */ - if (q->read_ptr == q->write_ptr) + if (q->read_ptr == q->write_ptr) { + txq->time_stamp = jiffies; return 0; + } - if (q->read_ptr == q->last_read_ptr) { - /* a queue has not been read from last time */ - if (q->repeat_same_read_ptr > MAX_REPEAT) { - IWL_ERR(priv, - "queue %d stuck %d time. Fw reload.\n", - q->id, q->repeat_same_read_ptr); - q->repeat_same_read_ptr = 0; - iwl_force_reset(priv, IWL_FW_RESET, false); - } else { - q->repeat_same_read_ptr++; - IWL_DEBUG_RADIO(priv, - "queue %d, not read %d time\n", - q->id, - q->repeat_same_read_ptr); - mod_timer(&priv->monitor_recover, - jiffies + msecs_to_jiffies( - IWL_ONE_HUNDRED_MSECS)); - return 1; - } - } else { - q->last_read_ptr = q->read_ptr; - q->repeat_same_read_ptr = 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); + return (ret == -EAGAIN) ? 0 : 1; } + return 0; } -void iwl_bg_monitor_recover(unsigned long data) +/* + * Making watchdog tick be a quarter of timeout assure we will + * discover the queue hung between timeout and 1.25*timeout + */ +#define IWL_WD_TICK(timeout) ((timeout) / 4) + +/* + * Watchdog timer callback, we check each tx queue for stuck, if if hung + * we reset the firmware. If everything is fine just rearm the timer. + */ +void iwl_bg_watchdog(unsigned long data) { struct iwl_priv *priv = (struct iwl_priv *)data; int cnt; + unsigned long timeout; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; + timeout = priv->cfg->base_params->wd_timeout; + if (timeout == 0) + return; + /* monitor and check for stuck cmd queue */ if (iwl_check_stuck_queue(priv, priv->cmd_queue)) return; @@ -2516,17 +1977,23 @@ void iwl_bg_monitor_recover(unsigned long data) return; } } - if (priv->cfg->base_params->monitor_recover_period) { - /* - * Reschedule the timer to occur in - * priv->cfg->base_params->monitor_recover_period - */ - mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies( - priv->cfg->base_params->monitor_recover_period)); - } + + mod_timer(&priv->watchdog, jiffies + + msecs_to_jiffies(IWL_WD_TICK(timeout))); } -EXPORT_SYMBOL(iwl_bg_monitor_recover); +EXPORT_SYMBOL(iwl_bg_watchdog); + +void iwl_setup_watchdog(struct iwl_priv *priv) +{ + unsigned int timeout = priv->cfg->base_params->wd_timeout; + if (timeout) + mod_timer(&priv->watchdog, + jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout))); + else + del_timer(&priv->watchdog); +} +EXPORT_SYMBOL(iwl_setup_watchdog); /* * extended beacon time format @@ -2584,8 +2051,9 @@ EXPORT_SYMBOL(iwl_add_beacon_time); #ifdef CONFIG_PM -int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) +int iwl_pci_suspend(struct device *device) { + struct pci_dev *pdev = to_pci_dev(device); struct iwl_priv *priv = pci_get_drvdata(pdev); /* @@ -2597,18 +2065,14 @@ int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) */ iwl_apm_stop(priv); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - return 0; } EXPORT_SYMBOL(iwl_pci_suspend); -int iwl_pci_resume(struct pci_dev *pdev) +int iwl_pci_resume(struct device *device) { + struct pci_dev *pdev = to_pci_dev(device); struct iwl_priv *priv = pci_get_drvdata(pdev); - int ret; bool hw_rfkill = false; /* @@ -2617,11 +2081,6 @@ int iwl_pci_resume(struct pci_dev *pdev) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); - pci_set_power_state(pdev, PCI_D0); - ret = pci_enable_device(pdev); - if (ret) - return ret; - pci_restore_state(pdev); iwl_enable_interrupts(priv); if (!(iwl_read32(priv, CSR_GP_CNTRL) & @@ -2639,4 +2098,14 @@ int iwl_pci_resume(struct pci_dev *pdev) } EXPORT_SYMBOL(iwl_pci_resume); +const struct dev_pm_ops iwl_pm_ops = { + .suspend = iwl_pci_suspend, + .resume = iwl_pci_resume, + .freeze = iwl_pci_suspend, + .thaw = iwl_pci_resume, + .poweroff = iwl_pci_suspend, + .restore = iwl_pci_resume, +}; +EXPORT_SYMBOL(iwl_pm_ops); + #endif /* CONFIG_PM */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 64527def059f..a3474376fdbc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -120,6 +120,14 @@ struct iwl_apm_ops { void (*config)(struct iwl_priv *priv); }; +struct iwl_isr_ops { + irqreturn_t (*isr) (int irq, void *data); + void (*free)(struct iwl_priv *priv); + int (*alloc)(struct iwl_priv *priv); + int (*reset)(struct iwl_priv *priv); + void (*disable)(struct iwl_priv *priv); +}; + struct iwl_debugfs_ops { ssize_t (*rx_stats_read)(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); @@ -193,22 +201,15 @@ struct iwl_lib_ops { /* power */ int (*send_tx_power) (struct iwl_priv *priv); void (*update_chain_flags)(struct iwl_priv *priv); - void (*post_associate)(struct iwl_priv *priv, - struct ieee80211_vif *vif); - void (*config_ap)(struct iwl_priv *priv, struct ieee80211_vif *vif); - irqreturn_t (*isr) (int irq, void *data); + + /* isr */ + struct iwl_isr_ops isr_ops; /* eeprom operations (as defined in iwl-eeprom.h) */ struct iwl_eeprom_ops eeprom_ops; /* temperature */ struct iwl_temp_ops temp_ops; - /* station management */ - int (*manage_ibss_station)(struct iwl_priv *priv, - struct ieee80211_vif *vif, bool add); - int (*update_bcast_stations)(struct iwl_priv *priv); - /* recover from tx queue stall */ - void (*recover_from_tx_stall)(unsigned long data); /* check for plcp health */ bool (*check_plcp_health)(struct iwl_priv *priv, struct iwl_rx_packet *pkt); @@ -235,12 +236,23 @@ struct iwl_nic_ops { void (*additional_nic_config)(struct iwl_priv *priv); }; +struct iwl_legacy_ops { + void (*post_associate)(struct iwl_priv *priv); + void (*config_ap)(struct iwl_priv *priv); + /* station management */ + int (*update_bcast_stations)(struct iwl_priv *priv); + int (*manage_ibss_station)(struct iwl_priv *priv, + struct ieee80211_vif *vif, bool add); +}; + struct iwl_ops { const struct iwl_lib_ops *lib; const struct iwl_hcmd_ops *hcmd; const struct iwl_hcmd_utils_ops *utils; const struct iwl_led_ops *led; const struct iwl_nic_ops *nic; + const struct iwl_legacy_ops *legacy; + const struct ieee80211_ops *ieee80211_ops; }; struct iwl_mod_params { @@ -266,7 +278,7 @@ struct iwl_mod_params { * @plcp_delta_threshold: plcp error rate threshold used to trigger * radio tuning when there is a high receiving plcp error rate * @chain_noise_scale: default chain noise scale used for gain computation - * @monitor_recover_period: default timer used to check stuck queues + * @wd_timeout: TX queues watchdog timeout * @temperature_kelvin: temperature report by uCode in kelvin * @max_event_log_size: size of event log buffer size for ucode event logging * @tx_power_by_driver: tx power calibration performed by driver @@ -276,7 +288,10 @@ struct iwl_mod_params { * sensitivity calibration operation * @chain_noise_calib_by_driver: driver has the capability to perform * chain noise calibration operation -*/ + * @shadow_reg_enable: HW shadhow register bit + * @no_agg_framecnt_info: uCode do not provide aggregation frame count + * information + */ struct iwl_base_params { int eeprom_size; int num_of_queues; /* def: HW dependent */ @@ -298,14 +313,15 @@ struct iwl_base_params { const bool support_wimax_coexist; u8 plcp_delta_threshold; s32 chain_noise_scale; - /* timer period for monitor the driver queues */ - u32 monitor_recover_period; + unsigned int wd_timeout; bool temperature_kelvin; u32 max_event_log_size; const bool tx_power_by_driver; const bool ucode_tracing; const bool sensitivity_calib_by_driver; const bool chain_noise_calib_by_driver; + const bool shadow_reg_enable; + const bool no_agg_framecnt_info; }; /* * @advanced_bt_coexist: support advanced bt coexist @@ -315,6 +331,7 @@ struct iwl_base_params { * @agg_time_limit: maximum number of uSec in aggregation * @ampdu_factor: Maximum A-MPDU length factor * @ampdu_density: Minimum A-MPDU spacing + * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode */ struct iwl_bt_params { bool advanced_bt_coexist; @@ -324,6 +341,7 @@ struct iwl_bt_params { u16 agg_time_limit; u8 ampdu_factor; u8 ampdu_density; + bool bt_sco_disable; }; /* * @use_rts_for_aggregation: use rts/cts protection for HT traffic @@ -344,6 +362,10 @@ struct iwl_ht_params { * @need_dc_calib: need to perform init dc calibration * @need_temp_offset_calib: need to perform temperature offset calibration * @scan_antennas: available antenna for scan operation + * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) + * @adv_pm: advance power management + * @rx_with_siso_diversity: 1x1 device with rx antenna diversity + * @internal_wimax_coex: internal wifi/wimax combo device * * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the @@ -389,15 +411,17 @@ struct iwl_cfg { const bool need_dc_calib; /* if used set to true */ const bool need_temp_offset_calib; /* if used set to true */ u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; - u8 scan_tx_antennas[IEEE80211_NUM_BANDS]; + enum iwl_led_mode led_mode; + const bool adv_pm; + const bool rx_with_siso_diversity; + const bool internal_wimax_coex; }; /*************************** * L i b * ***************************/ -struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, - struct ieee80211_ops *hw_ops); +struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg); int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params); int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw); @@ -425,23 +449,16 @@ int iwl_set_decrypted_flag(struct iwl_priv *priv, u32 decrypt_res, struct ieee80211_rx_status *stats); void iwl_irq_handle_error(struct iwl_priv *priv); -void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif); -void iwl_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf, - u32 changes); int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void iwl_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -int iwl_mac_config(struct ieee80211_hw *hw, u32 changed); -void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif); -void iwl_mac_reset_tsf(struct ieee80211_hw *hw); +int iwl_mac_change_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum nl80211_iftype newtype, bool newp2p); int iwl_alloc_txq_mem(struct iwl_priv *priv); void iwl_free_txq_mem(struct iwl_priv *priv); -void iwlcore_tx_cmd_protection(struct iwl_priv *priv, - struct ieee80211_tx_info *info, - __le16 fc, __le32 *tx_flags); + #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_alloc_traffic_mem(struct iwl_priv *priv); void iwl_free_traffic_mem(struct iwl_priv *priv); @@ -529,6 +546,7 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq, int slots_num, u32 txq_id); void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id); +void iwl_setup_watchdog(struct iwl_priv *priv); /***************************************************** * TX power ****************************************************/ @@ -598,7 +616,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); /***************************************************** * PCI * *****************************************************/ -irqreturn_t iwl_isr_legacy(int irq, void *data); static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv) { @@ -609,15 +626,23 @@ static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv) return pci_lnk_ctl; } -void iwl_bg_monitor_recover(unsigned long data); +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_pci_suspend(struct pci_dev *pdev, pm_message_t state); -int iwl_pci_resume(struct pci_dev *pdev); -#endif /* CONFIG_PM */ +int iwl_pci_suspend(struct device *device); +int iwl_pci_resume(struct device *device); +extern const struct dev_pm_ops iwl_pm_ops; + +#define IWL_PM_OPS (&iwl_pm_ops) + +#else /* !CONFIG_PM */ + +#define IWL_PM_OPS NULL + +#endif /* !CONFIG_PM */ /***************************************************** * Error Handling Debugging @@ -724,11 +749,6 @@ static inline int iwlcore_commit_rxon(struct iwl_priv *priv, { return priv->cfg->ops->hcmd->commit_rxon(priv, ctx); } -static inline void iwlcore_config_ap(struct iwl_priv *priv, - struct ieee80211_vif *vif) -{ - priv->cfg->ops->lib->config_ap(priv, vif); -} static inline const struct ieee80211_supported_band *iwl_get_hw_mode( struct iwl_priv *priv, enum ieee80211_band band) { diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 2aa15ab13892..b80bf7dff55b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -132,6 +132,8 @@ #define CSR_LED_REG (CSR_BASE+0x094) #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) +#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE+0x0A8) /* 6000 and up */ + /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 0b961a353ff6..ebdea3be3ef9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -120,6 +120,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) /* 0x000000F0 - 0x00000010 */ #define IWL_DL_MACDUMP (1 << 4) #define IWL_DL_HCMD_DUMP (1 << 5) +#define IWL_DL_EEPROM (1 << 6) #define IWL_DL_RADIO (1 << 7) /* 0x00000F00 - 0x00000100 */ #define IWL_DL_POWER (1 << 8) @@ -164,6 +165,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv) #define IWL_DEBUG_WEP(p, f, a...) IWL_DEBUG(p, IWL_DL_WEP, f, ## a) #define IWL_DEBUG_HC(p, f, a...) IWL_DEBUG(p, IWL_DL_HCMD, f, ## a) #define IWL_DEBUG_HC_DUMP(p, f, a...) IWL_DEBUG(p, IWL_DL_HCMD_DUMP, f, ## a) +#define IWL_DEBUG_EEPROM(p, f, a...) IWL_DEBUG(p, IWL_DL_EEPROM, f, ## a) #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) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 8fdd4efdb1d3..6fe80b5e7a15 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -992,11 +992,8 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, " 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 & 0x80 ? txq->swq_id & 3 : - txq->swq_id, - txq->swq_id & 0x80 ? (txq->swq_id >> 2) & - 0x1f : txq->swq_id); + txq->swq_id, txq->swq_id & 3, + (txq->swq_id >> 2) & 0x1f); if (cnt >= 4) continue; /* for the ACs, display the stop count too */ @@ -1537,32 +1534,26 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, user_buf, count, ppos); } -static ssize_t iwl_dbgfs_monitor_period_write(struct file *file, +static ssize_t iwl_dbgfs_wd_timeout_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 period; + int timeout; 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", &period) != 1) + if (sscanf(buf, "%d", &timeout) != 1) return -EINVAL; - if (period < 0 || period > IWL_MAX_MONITORING_PERIOD) - priv->cfg->base_params->monitor_recover_period = - IWL_DEF_MONITORING_PERIOD; - else - priv->cfg->base_params->monitor_recover_period = period; + if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) + timeout = IWL_DEF_WD_TIMEOUT; - if (priv->cfg->base_params->monitor_recover_period) - mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies( - priv->cfg->base_params->monitor_recover_period)); - else - del_timer_sync(&priv->monitor_recover); + priv->cfg->base_params->wd_timeout = timeout; + iwl_setup_watchdog(priv); return count; } @@ -1576,11 +1567,18 @@ static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, const size_t bufsz = sizeof(buf); ssize_t ret; + if (!priv->bt_enable_flag) { + pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + return ret; + } + pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", + priv->bt_enable_flag); pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", priv->bt_full_concurrent ? "full concurrency" : "3-wire"); pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " "last traffic notif: %d\n", - priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load); + priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " "sco_active: %d, kill_ack_mask: %x, " "kill_cts_mask: %x\n", @@ -1689,7 +1687,7 @@ DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); DEBUGFS_WRITE_FILE_OPS(txfifo_flush); DEBUGFS_READ_FILE_OPS(ucode_bt_stats); -DEBUGFS_WRITE_FILE_OPS(monitor_period); +DEBUGFS_WRITE_FILE_OPS(wd_timeout); DEBUGFS_READ_FILE_OPS(bt_traffic); DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); DEBUGFS_READ_FILE_OPS(reply_tx_error); @@ -1766,7 +1764,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); - DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR); + DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); if (priv->cfg->base_params->sensitivity_calib_by_driver) diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 70e07fa48405..8dda67850af4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -129,9 +129,6 @@ struct iwl_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 */ - int last_read_ptr; /* storing the last read_ptr */ - /* number of time read_ptr and last_read_ptr are the same */ - u8 repeat_same_read_ptr; dma_addr_t dma_addr; /* physical addr for BD's */ int n_window; /* safe queue window */ u32 id; @@ -155,6 +152,7 @@ struct iwl_tx_info { * @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 * @@ -170,6 +168,7 @@ struct iwl_tx_queue { 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; @@ -1104,11 +1103,10 @@ struct iwl_event_log { #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) -/* timer constants use to monitor and recover stuck tx queues in mSecs */ -#define IWL_DEF_MONITORING_PERIOD (1000) -#define IWL_LONG_MONITORING_PERIOD (5000) -#define IWL_ONE_HUNDRED_MSECS (100) -#define IWL_MAX_MONITORING_PERIOD (60000) +/* TX queue watchdog timeouts in mSecs */ +#define IWL_DEF_WD_TIMEOUT (2000) +#define IWL_LONG_WD_TIMEOUT (10000) +#define IWL_MAX_WD_TIMEOUT (120000) /* BT Antenna Coupling Threshold (dB) */ #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) @@ -1162,6 +1160,8 @@ struct iwl_rxon_context { */ bool always_active, is_active; + bool ht_need_multiple_chains; + enum iwl_rxon_context_id ctxid; u32 interface_modes, exclusive_interface_modes; @@ -1468,8 +1468,9 @@ struct iwl_priv { }; /* bt coex */ + u8 bt_enable_flag; u8 bt_status; - u8 bt_traffic_load, notif_bt_traffic_load; + u8 bt_traffic_load, last_bt_traffic_load; bool bt_ch_announce; bool bt_sco_active; bool bt_full_concurrent; @@ -1480,7 +1481,6 @@ struct iwl_priv { u16 bt_on_thresh; u16 bt_duration; u16 dynamic_frag_thresh; - u16 dynamic_agg_thresh; u8 bt_ci_compliance; struct work_struct bt_traffic_change_work; @@ -1517,6 +1517,7 @@ struct iwl_priv { s8 tx_power_user_lmt; s8 tx_power_device_lmt; s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ + s8 tx_power_next; #ifdef CONFIG_IWLWIFI_DEBUG @@ -1542,7 +1543,7 @@ struct iwl_priv { struct work_struct run_time_calib_work; struct timer_list statistics_periodic; struct timer_list ucode_trace; - struct timer_list monitor_recover; + struct timer_list watchdog; bool hw_ready; struct iwl_event_log event_log; diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index 87cd10ff285d..358cfd7e5af1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -147,7 +147,7 @@ static int iwl_eeprom_verify_signature(struct iwl_priv *priv) u32 gp = iwl_read32(priv, CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; int ret = 0; - IWL_DEBUG_INFO(priv, "EEPROM signature=0x%08x\n", gp); + IWL_DEBUG_EEPROM(priv, "EEPROM signature=0x%08x\n", gp); switch (gp) { case CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP: if (priv->nvm_device_type != NVM_DEVICE_TYPE_OTP) { @@ -354,7 +354,7 @@ static int iwl_find_otp_image(struct iwl_priv *priv, */ valid_addr = next_link_addr; next_link_addr = le16_to_cpu(link_value) * sizeof(u16); - IWL_DEBUG_INFO(priv, "OTP blocks %d addr 0x%x\n", + IWL_DEBUG_EEPROM(priv, "OTP blocks %d addr 0x%x\n", usedblocks, next_link_addr); if (iwl_read_otp_word(priv, next_link_addr, &link_value)) return -EINVAL; @@ -374,7 +374,7 @@ static int iwl_find_otp_image(struct iwl_priv *priv, } while (usedblocks <= priv->cfg->base_params->max_ll_items); /* OTP has no valid blocks */ - IWL_DEBUG_INFO(priv, "OTP has no valid blocks\n"); + IWL_DEBUG_EEPROM(priv, "OTP has no valid blocks\n"); return -EINVAL; } @@ -414,7 +414,7 @@ int iwl_eeprom_init(struct iwl_priv *priv) return -ENOENT; /* allocate eeprom */ sz = priv->cfg->base_params->eeprom_size; - IWL_DEBUG_INFO(priv, "NVM size = %d\n", sz); + IWL_DEBUG_EEPROM(priv, "NVM size = %d\n", sz); priv->eeprom = kzalloc(sz, GFP_KERNEL); if (!priv->eeprom) { ret = -ENOMEM; @@ -492,7 +492,7 @@ int iwl_eeprom_init(struct iwl_priv *priv) } } - IWL_DEBUG_INFO(priv, "NVM Type: %s, version: 0x%x\n", + IWL_DEBUG_EEPROM(priv, "NVM Type: %s, version: 0x%x\n", (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM", iwl_eeprom_query16(priv, EEPROM_VERSION)); @@ -594,7 +594,7 @@ static int iwl_mod_ht40_chan_info(struct iwl_priv *priv, if (!is_channel_valid(ch_info)) return -1; - IWL_DEBUG_INFO(priv, "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm):" + IWL_DEBUG_EEPROM(priv, "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm):" " Ad-Hoc %ssupported\n", ch_info->channel, is_channel_a_band(ch_info) ? @@ -634,11 +634,11 @@ int iwl_init_channel_map(struct iwl_priv *priv) struct iwl_channel_info *ch_info; if (priv->channel_count) { - IWL_DEBUG_INFO(priv, "Channel map already initialized.\n"); + IWL_DEBUG_EEPROM(priv, "Channel map already initialized.\n"); return 0; } - IWL_DEBUG_INFO(priv, "Initializing regulatory info from EEPROM\n"); + IWL_DEBUG_EEPROM(priv, "Initializing regulatory info from EEPROM\n"); priv->channel_count = ARRAY_SIZE(iwl_eeprom_band_1) + @@ -647,7 +647,8 @@ int iwl_init_channel_map(struct iwl_priv *priv) ARRAY_SIZE(iwl_eeprom_band_4) + ARRAY_SIZE(iwl_eeprom_band_5); - IWL_DEBUG_INFO(priv, "Parsing data for %d channels.\n", priv->channel_count); + IWL_DEBUG_EEPROM(priv, "Parsing data for %d channels.\n", + priv->channel_count); priv->channel_info = kzalloc(sizeof(struct iwl_channel_info) * priv->channel_count, GFP_KERNEL); @@ -686,7 +687,8 @@ int iwl_init_channel_map(struct iwl_priv *priv) IEEE80211_CHAN_NO_HT40; if (!(is_channel_valid(ch_info))) { - IWL_DEBUG_INFO(priv, "Ch. %d Flags %x [%sGHz] - " + IWL_DEBUG_EEPROM(priv, + "Ch. %d Flags %x [%sGHz] - " "No traffic\n", ch_info->channel, ch_info->flags, @@ -702,7 +704,8 @@ int iwl_init_channel_map(struct iwl_priv *priv) ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; ch_info->min_power = 0; - IWL_DEBUG_INFO(priv, "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm):" + IWL_DEBUG_EEPROM(priv, "Ch. %d [%sGHz] " + "%s%s%s%s%s%s(0x%02x %ddBm):" " Ad-Hoc %ssupported\n", ch_info->channel, is_channel_a_band(ch_info) ? diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index d9b590625ae4..9e6f31355eee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -110,9 +110,18 @@ enum { }; /* SKU Capabilities */ +/* 3945 only */ #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) +/* 5000 and up */ +#define EEPROM_SKU_CAP_BAND_POS (4) +#define EEPROM_SKU_CAP_BAND_SELECTION \ + (3 << EEPROM_SKU_CAP_BAND_POS) +#define EEPROM_SKU_CAP_11N_ENABLE (1 << 6) +#define EEPROM_SKU_CAP_AMT_ENABLE (1 << 7) +#define EEPROM_SKU_CAP_IPAN_ENABLE (1 << 8) + /* *regulatory* channel data format in eeprom, one for each channel. * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */ struct iwl_eeprom_channel { @@ -120,6 +129,17 @@ struct iwl_eeprom_channel { s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ } __packed; +enum iwl_eeprom_enhanced_txpwr_flags { + IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0), + IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1), + IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2), + IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3), + IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4), + IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5), + IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6), + IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7), +}; + /** * iwl_eeprom_enhanced_txpwr structure * This structure presents the enhanced regulatory tx power limit layout @@ -127,21 +147,23 @@ struct iwl_eeprom_channel { * Enhanced regulatory tx power portion of eeprom image can be broken down * into individual structures; each one is 8 bytes in size and contain the * following information - * @common: (desc + channel) not used by driver, should _NOT_ be "zero" + * @flags: entry flags + * @channel: channel number * @chain_a_max_pwr: chain a max power in 1/2 dBm * @chain_b_max_pwr: chain b max power in 1/2 dBm * @chain_c_max_pwr: chain c max power in 1/2 dBm - * @reserved: not used, should be "zero" + * @delta_20_in_40: 20-in-40 deltas (hi/lo) * @mimo2_max_pwr: mimo2 max power in 1/2 dBm * @mimo3_max_pwr: mimo3 max power in 1/2 dBm * */ struct iwl_eeprom_enhanced_txpwr { - __le16 common; + u8 flags; + u8 channel; s8 chain_a_max; s8 chain_b_max; s8 chain_c_max; - s8 reserved; + u8 delta_20_in_40; s8 mimo2_max; s8 mimo3_max; } __packed; @@ -186,6 +208,8 @@ struct iwl_eeprom_enhanced_txpwr { #define EEPROM_LINK_CALIBRATION (2*0x67) #define EEPROM_LINK_PROCESS_ADJST (2*0x68) #define EEPROM_LINK_OTHERS (2*0x69) +#define EEPROM_LINK_TXP_LIMIT (2*0x6a) +#define EEPROM_LINK_TXP_LIMIT_SIZE (2*0x6b) /* agn regulatory - indirect access */ #define EEPROM_REG_BAND_1_CHANNELS ((0x08)\ @@ -207,59 +231,6 @@ struct iwl_eeprom_enhanced_txpwr { #define EEPROM_6000_REG_BAND_24_HT40_CHANNELS ((0x80)\ | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */ -/* 6000 and up regulatory tx power - indirect access */ -/* max. elements per section */ -#define EEPROM_MAX_TXPOWER_SECTION_ELEMENTS (8) -#define EEPROM_TXPOWER_COMMON_HT40_INDEX (2) - -/** - * Partition the enhanced tx power portion of eeprom image into - * 10 sections based on band, modulation, frequency and channel - * - * Section 1: all CCK channels - * Section 2: all 2.4 GHz OFDM (Legacy, HT and HT40 ) channels - * Section 3: all 5.2 GHz OFDM (Legacy, HT and HT40) channels - * Section 4: 2.4 GHz 20MHz channels: 1, 2, 10, 11. Both Legacy and HT - * Section 5: 2.4 GHz 40MHz channels: 1, 2, 6, 7, 9, (_above_) - * Section 6: 5.2 GHz 20MHz channels: 36, 64, 100, both Legacy and HT - * Section 7: 5.2 GHz 40MHz channels: 36, 60, 100 (_above_) - * Section 8: 2.4 GHz channel 13, Both Legacy and HT - * Section 9: 2.4 GHz channel 140, Both Legacy and HT - * Section 10: 2.4 GHz 40MHz channels: 132, 44 (_above_) - */ -/* 2.4 GHz band: CCK */ -#define EEPROM_LB_CCK_20_COMMON ((0xA8)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 8 bytes */ -/* 2.4 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */ -#define EEPROM_LB_OFDM_COMMON ((0xB0)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ -/* 5.2 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */ -#define EEPROM_HB_OFDM_COMMON ((0xC8)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ -/* 2.4GHz band channels: - * 1Legacy, 1HT, 2Legacy, 2HT, 10Legacy, 10HT, 11Legacy, 11HT */ -#define EEPROM_LB_OFDM_20_BAND ((0xE0)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 64 bytes */ -/* 2.4 GHz band HT40 channels: (1,+1) (2,+1) (6,+1) (7,+1) (9,+1) */ -#define EEPROM_LB_OFDM_HT40_BAND ((0x120)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 40 bytes */ -/* 5.2GHz band channels: 36Legacy, 36HT, 64Legacy, 64HT, 100Legacy, 100HT */ -#define EEPROM_HB_OFDM_20_BAND ((0x148)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 48 bytes */ -/* 5.2 GHz band HT40 channels: (36,+1) (60,+1) (100,+1) */ -#define EEPROM_HB_OFDM_HT40_BAND ((0x178)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ -/* 2.4 GHz band, channnel 13: Legacy, HT */ -#define EEPROM_LB_OFDM_20_CHANNEL_13 ((0x190)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ -/* 5.2 GHz band, channnel 140: Legacy, HT */ -#define EEPROM_HB_OFDM_20_CHANNEL_140 ((0x1A0)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ -/* 5.2 GHz band, HT40 channnels (132,+1) (44,+1) */ -#define EEPROM_HB_OFDM_HT40_BAND_1 ((0x1B0)\ - | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ - - /* 5050 Specific */ #define EEPROM_5050_TX_POWER_VERSION (4) #define EEPROM_5050_EEPROM_VERSION (0x21E) @@ -389,6 +360,8 @@ struct iwl_eeprom_calib_info { #define INDIRECT_CALIBRATION 0x00040000 #define INDIRECT_PROCESS_ADJST 0x00050000 #define INDIRECT_OTHERS 0x00060000 +#define INDIRECT_TXP_LIMIT 0x00070000 +#define INDIRECT_TXP_LIMIT_SIZE 0x00080000 #define INDIRECT_ADDRESS 0x00100000 /* General */ @@ -397,11 +370,10 @@ struct iwl_eeprom_calib_info { #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ #define EEPROM_VERSION (2*0x44) /* 2 bytes */ -#define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */ +#define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */ #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ -#define EEPROM_3945_M_VERSION (2*0x4A) /* 1 bytes */ #define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */ /* The following masks are to be applied on EEPROM_RADIO_CONFIG */ @@ -504,6 +476,7 @@ struct iwl_eeprom_ops { int iwl_eeprom_init(struct iwl_priv *priv); 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); diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 1aaef70deaec..8821f088ba7f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -44,15 +44,6 @@ static inline struct ieee80211_conf *ieee80211_get_hw_conf( return &hw->conf; } -static inline unsigned long elapsed_jiffies(unsigned long start, - unsigned long end) -{ - if (end >= start) - return end - start; - - return end + (MAX_JIFFY_OFFSET - start) + 1; -} - /** * iwl_queue_inc_wrap - increment queue index, wrap back to beginning * @index -- current index @@ -104,42 +95,36 @@ static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev, * | | | | | | | | * | | | | | | +-+-------- AC queue (0-3) * | | | | | | - * | +-+-+-+-+------------ HW A-MPDU queue + * | +-+-+-+-+------------ HW queue ID * | - * +---------------------- indicates agg queue + * +---------------------- unused */ -static inline u8 iwl_virtual_agg_queue_num(u8 ac, u8 hwq) +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 have 5 bits */ + BUG_ON(hwq > 31); /* only use 5 bits */ - return 0x80 | (hwq << 2) | ac; + txq->swq_id = (hwq << 2) | ac; } -static inline void iwl_wake_queue(struct iwl_priv *priv, u8 queue) +static inline void iwl_wake_queue(struct iwl_priv *priv, + struct iwl_tx_queue *txq) { - u8 ac = queue; - u8 hwq = queue; - - if (queue & 0x80) { - ac = queue & 3; - hwq = (queue >> 2) & 0x1f; - } + 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, u8 queue) +static inline void iwl_stop_queue(struct iwl_priv *priv, + struct iwl_tx_queue *txq) { - u8 ac = queue; - u8 hwq = queue; - - if (queue & 0x80) { - ac = queue & 3; - hwq = (queue >> 2) & 0x1f; - } + 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) @@ -163,6 +148,12 @@ static inline void iwl_disable_interrupts(struct iwl_priv *priv) 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"); diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index 86c2b6fed0c6..46ccdf406e8e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -45,9 +45,8 @@ /* default: IWL_LED_BLINK(0) using blinking index table */ static int led_mode; module_param(led_mode, int, S_IRUGO); -MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), " - "(default 0)"); - +MODULE_PARM_DESC(led_mode, "0=system default, " + "1=On(RF On)/Off(RF Off), 2=blinking"); static const struct { u16 tpt; /* Mb/s */ @@ -128,12 +127,13 @@ EXPORT_SYMBOL(iwl_led_start); int iwl_led_associate(struct iwl_priv *priv) { IWL_DEBUG_LED(priv, "Associated\n"); - if (led_mode == IWL_LED_BLINK) + if (priv->cfg->led_mode == IWL_LED_BLINK) priv->allow_blinking = 1; priv->last_blink_time = jiffies; return 0; } +EXPORT_SYMBOL(iwl_led_associate); int iwl_led_disassociate(struct iwl_priv *priv) { @@ -141,6 +141,7 @@ int iwl_led_disassociate(struct iwl_priv *priv) return 0; } +EXPORT_SYMBOL(iwl_led_disassociate); /* * calculate blink rate according to last second Tx/Rx activities @@ -221,5 +222,8 @@ void iwl_leds_init(struct iwl_priv *priv) priv->last_blink_rate = 0; priv->last_blink_time = 0; priv->allow_blinking = 0; + if (led_mode != IWL_LED_DEFAULT && + led_mode != priv->cfg->led_mode) + priv->cfg->led_mode = led_mode; } EXPORT_SYMBOL(iwl_leds_init); diff --git a/drivers/net/wireless/iwlwifi/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h index 49a70baa3fb6..9079b33486ef 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.h +++ b/drivers/net/wireless/iwlwifi/iwl-led.h @@ -47,14 +47,16 @@ enum led_type { /* * LED mode - * IWL_LED_BLINK: adjust led blink rate based on blink table + * IWL_LED_DEFAULT: use system default * IWL_LED_RF_STATE: turn LED on/off based on RF state * LED ON = RF ON * LED OFF = RF OFF + * IWL_LED_BLINK: adjust led blink rate based on blink table */ enum iwl_led_mode { - IWL_LED_BLINK, + IWL_LED_DEFAULT, IWL_LED_RF_STATE, + IWL_LED_BLINK, }; void iwl_leds_init(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-legacy.c b/drivers/net/wireless/iwlwifi/iwl-legacy.c new file mode 100644 index 000000000000..bb1a742a98a0 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-legacy.c @@ -0,0 +1,662 @@ +/****************************************************************************** + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2010 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 + *****************************************************************************/ + +#include <linux/kernel.h> +#include <net/mac80211.h> + +#include "iwl-dev.h" +#include "iwl-core.h" +#include "iwl-helpers.h" +#include "iwl-legacy.h" + +static void iwl_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if (!ctx->is_active) + return; + + ctx->qos_data.def_qos_parm.qos_flags = 0; + + if (ctx->qos_data.qos_active) + ctx->qos_data.def_qos_parm.qos_flags |= + QOS_PARAM_FLG_UPDATE_EDCA_MSK; + + if (ctx->ht.enabled) + ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; + + IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", + ctx->qos_data.qos_active, + ctx->qos_data.def_qos_parm.qos_flags); + + iwl_send_cmd_pdu_async(priv, ctx->qos_cmd, + sizeof(struct iwl_qosparam_cmd), + &ctx->qos_data.def_qos_parm, NULL); +} + +/** + * iwl_legacy_mac_config - mac80211 config callback + */ +int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed) +{ + struct iwl_priv *priv = hw->priv; + const struct iwl_channel_info *ch_info; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_channel *channel = conf->channel; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; + struct iwl_rxon_context *ctx; + unsigned long flags = 0; + int ret = 0; + u16 ch; + int scan_active = 0; + bool ht_changed[NUM_IWL_RXON_CTX] = {}; + + if (WARN_ON(!priv->cfg->ops->legacy)) + return -EOPNOTSUPP; + + mutex_lock(&priv->mutex); + + IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n", + channel->hw_value, changed); + + if (unlikely(!priv->cfg->mod_params->disable_hw_scan && + test_bit(STATUS_SCANNING, &priv->status))) { + scan_active = 1; + IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); + } + + if (changed & (IEEE80211_CONF_CHANGE_SMPS | + IEEE80211_CONF_CHANGE_CHANNEL)) { + /* mac80211 uses static for non-HT which is what we want */ + priv->current_ht_config.smps = conf->smps_mode; + + /* + * Recalculate chain counts. + * + * If monitor mode is enabled then mac80211 will + * set up the SM PS mode to OFF if an HT channel is + * configured. + */ + if (priv->cfg->ops->hcmd->set_rxon_chain) + for_each_context(priv, ctx) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + } + + /* during scanning mac80211 will delay channel setting until + * scan finish with changed = 0 + */ + if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) { + if (scan_active) + goto set_ch_out; + + ch = channel->hw_value; + ch_info = iwl_get_channel_info(priv, channel->band, ch); + if (!is_channel_valid(ch_info)) { + IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n"); + ret = -EINVAL; + goto set_ch_out; + } + + spin_lock_irqsave(&priv->lock, flags); + + for_each_context(priv, ctx) { + /* Configure HT40 channels */ + if (ctx->ht.enabled != conf_is_ht(conf)) { + ctx->ht.enabled = conf_is_ht(conf); + ht_changed[ctx->ctxid] = true; + } + if (ctx->ht.enabled) { + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; + } + } else + ctx->ht.is_40mhz = false; + + /* + * Default to no protection. Protection mode will + * later be set from BSS config in iwl_ht_conf + */ + ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE; + + /* if we are switching from ht to 2.4 clear flags + * from any ht related info since 2.4 does not + * support ht */ + if ((le16_to_cpu(ctx->staging.channel) != ch)) + ctx->staging.flags = 0; + + iwl_set_rxon_channel(priv, channel, ctx); + iwl_set_rxon_ht(priv, ht_conf); + + iwl_set_flags_for_band(priv, ctx, channel->band, + ctx->vif); + } + + spin_unlock_irqrestore(&priv->lock, flags); + + if (priv->cfg->ops->legacy->update_bcast_stations) + ret = priv->cfg->ops->legacy->update_bcast_stations(priv); + + set_ch_out: + /* The list of supported rates and rate mask can be different + * for each band; since the band may have changed, reset + * the rate mask to what mac80211 lists */ + iwl_set_rate(priv); + } + + if (changed & (IEEE80211_CONF_CHANGE_PS | + IEEE80211_CONF_CHANGE_IDLE)) { + ret = iwl_power_update_mode(priv, false); + if (ret) + IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); + } + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n", + priv->tx_power_user_lmt, conf->power_level); + + iwl_set_tx_power(priv, conf->power_level, false); + } + + if (!iwl_is_ready(priv)) { + IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); + goto out; + } + + if (scan_active) + goto out; + + for_each_context(priv, ctx) { + if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging))) + iwlcore_commit_rxon(priv, ctx); + else + IWL_DEBUG_INFO(priv, + "Not re-sending same RXON configuration.\n"); + if (ht_changed[ctx->ctxid]) + iwl_update_qos(priv, ctx); + } + +out: + IWL_DEBUG_MAC80211(priv, "leave\n"); + mutex_unlock(&priv->mutex); + return ret; +} +EXPORT_SYMBOL(iwl_legacy_mac_config); + +void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw) +{ + struct iwl_priv *priv = hw->priv; + unsigned long flags; + /* IBSS can only be the IWL_RXON_CTX_BSS context */ + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + + if (WARN_ON(!priv->cfg->ops->legacy)) + return; + + mutex_lock(&priv->mutex); + IWL_DEBUG_MAC80211(priv, "enter\n"); + + spin_lock_irqsave(&priv->lock, flags); + memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_config)); + spin_unlock_irqrestore(&priv->lock, flags); + + spin_lock_irqsave(&priv->lock, flags); + + /* new association get rid of ibss beacon skb */ + if (priv->beacon_skb) + dev_kfree_skb(priv->beacon_skb); + + priv->beacon_skb = NULL; + + priv->timestamp = 0; + + spin_unlock_irqrestore(&priv->lock, flags); + + iwl_scan_cancel_timeout(priv, 100); + if (!iwl_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); + mutex_unlock(&priv->mutex); + return; + } + + /* we are restarting association process + * clear RXON_FILTER_ASSOC_MSK bit + */ + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwlcore_commit_rxon(priv, ctx); + + iwl_set_rate(priv); + + mutex_unlock(&priv->mutex); + + IWL_DEBUG_MAC80211(priv, "leave\n"); +} +EXPORT_SYMBOL(iwl_legacy_mac_reset_tsf); + +static void iwl_ht_conf(struct iwl_priv *priv, + struct ieee80211_vif *vif) +{ + struct iwl_ht_config *ht_conf = &priv->current_ht_config; + struct ieee80211_sta *sta; + struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + + IWL_DEBUG_ASSOC(priv, "enter:\n"); + + if (!ctx->ht.enabled) + return; + + ctx->ht.protection = + bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; + ctx->ht.non_gf_sta_present = + !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); + + ht_conf->single_chain_sufficient = false; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + rcu_read_lock(); + sta = ieee80211_find_sta(vif, bss_conf->bssid); + if (sta) { + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + int maxstreams; + + maxstreams = (ht_cap->mcs.tx_params & + IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK) + >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; + maxstreams += 1; + + if ((ht_cap->mcs.rx_mask[1] == 0) && + (ht_cap->mcs.rx_mask[2] == 0)) + ht_conf->single_chain_sufficient = true; + if (maxstreams <= 1) + ht_conf->single_chain_sufficient = true; + } else { + /* + * If at all, this can only happen through a race + * when the AP disconnects us while we're still + * setting up the connection, in that case mac80211 + * will soon tell us about that. + */ + ht_conf->single_chain_sufficient = true; + } + rcu_read_unlock(); + break; + case NL80211_IFTYPE_ADHOC: + ht_conf->single_chain_sufficient = true; + break; + default: + break; + } + + IWL_DEBUG_ASSOC(priv, "leave\n"); +} + +static inline void iwl_set_no_assoc(struct iwl_priv *priv, + struct ieee80211_vif *vif) +{ + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + + iwl_led_disassociate(priv); + /* + * inform the ucode that there is no longer an + * association and that no more packets should be + * sent + */ + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + ctx->staging.assoc_id = 0; + iwlcore_commit_rxon(priv, ctx); +} + +static void iwlcore_beacon_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_priv *priv = hw->priv; + unsigned long flags; + __le64 timestamp; + struct sk_buff *skb = ieee80211_beacon_get(hw, vif); + + if (!skb) + return; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + lockdep_assert_held(&priv->mutex); + + if (!priv->beacon_ctx) { + IWL_ERR(priv, "update beacon but no beacon context!\n"); + dev_kfree_skb(skb); + return; + } + + spin_lock_irqsave(&priv->lock, flags); + + if (priv->beacon_skb) + dev_kfree_skb(priv->beacon_skb); + + priv->beacon_skb = skb; + + timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; + priv->timestamp = le64_to_cpu(timestamp); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + spin_unlock_irqrestore(&priv->lock, flags); + + if (!iwl_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); + return; + } + + priv->cfg->ops->legacy->post_associate(priv); +} + +void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes) +{ + struct iwl_priv *priv = hw->priv; + struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); + int ret; + + if (WARN_ON(!priv->cfg->ops->legacy)) + return; + + IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes); + + if (!iwl_is_alive(priv)) + return; + + mutex_lock(&priv->mutex); + + if (changes & BSS_CHANGED_QOS) { + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + ctx->qos_data.qos_active = bss_conf->qos; + iwl_update_qos(priv, ctx); + spin_unlock_irqrestore(&priv->lock, flags); + } + + if (changes & BSS_CHANGED_BEACON_ENABLED) { + /* + * the add_interface code must make sure we only ever + * have a single interface that could be beaconing at + * any time. + */ + if (vif->bss_conf.enable_beacon) + priv->beacon_ctx = ctx; + else + priv->beacon_ctx = NULL; + } + + if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_AP) { + dev_kfree_skb(priv->beacon_skb); + priv->beacon_skb = ieee80211_beacon_get(hw, vif); + } + + if (changes & BSS_CHANGED_BEACON_INT && vif->type == NL80211_IFTYPE_AP) + iwl_send_rxon_timing(priv, ctx); + + if (changes & BSS_CHANGED_BSSID) { + IWL_DEBUG_MAC80211(priv, "BSSID %pM\n", bss_conf->bssid); + + /* + * If there is currently a HW scan going on in the + * background then we need to cancel it else the RXON + * below/in post_associate will fail. + */ + if (iwl_scan_cancel_timeout(priv, 100)) { + IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); + IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); + mutex_unlock(&priv->mutex); + return; + } + + /* mac80211 only sets assoc when in STATION mode */ + if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) { + memcpy(ctx->staging.bssid_addr, + bss_conf->bssid, ETH_ALEN); + + /* currently needed in a few places */ + memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN); + } else { + ctx->staging.filter_flags &= + ~RXON_FILTER_ASSOC_MSK; + } + + } + + /* + * This needs to be after setting the BSSID in case + * mac80211 decides to do both changes at once because + * it will invoke post_associate. + */ + if (vif->type == NL80211_IFTYPE_ADHOC && changes & BSS_CHANGED_BEACON) + iwlcore_beacon_update(hw, vif); + + if (changes & BSS_CHANGED_ERP_PREAMBLE) { + IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n", + bss_conf->use_short_preamble); + if (bss_conf->use_short_preamble) + ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; + else + ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; + } + + if (changes & BSS_CHANGED_ERP_CTS_PROT) { + IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot); + if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) + ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK; + else + ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; + if (bss_conf->use_cts_prot) + ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; + else + ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; + } + + if (changes & BSS_CHANGED_BASIC_RATES) { + /* XXX use this information + * + * To do that, remove code from iwl_set_rate() and put something + * like this here: + * + if (A-band) + ctx->staging.ofdm_basic_rates = + bss_conf->basic_rates; + else + ctx->staging.ofdm_basic_rates = + bss_conf->basic_rates >> 4; + ctx->staging.cck_basic_rates = + bss_conf->basic_rates & 0xF; + */ + } + + if (changes & BSS_CHANGED_HT) { + iwl_ht_conf(priv, vif); + + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + } + + if (changes & BSS_CHANGED_ASSOC) { + IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc); + if (bss_conf->assoc) { + priv->timestamp = bss_conf->timestamp; + + iwl_led_associate(priv); + + if (!iwl_is_rfkill(priv)) + priv->cfg->ops->legacy->post_associate(priv); + } else + iwl_set_no_assoc(priv, vif); + } + + if (changes && iwl_is_associated_ctx(ctx) && bss_conf->aid) { + IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n", + changes); + ret = iwl_send_rxon_assoc(priv, ctx); + if (!ret) { + /* Sync active_rxon with latest change. */ + memcpy((void *)&ctx->active, + &ctx->staging, + sizeof(struct iwl_rxon_cmd)); + } + } + + if (changes & BSS_CHANGED_BEACON_ENABLED) { + if (vif->bss_conf.enable_beacon) { + memcpy(ctx->staging.bssid_addr, + bss_conf->bssid, ETH_ALEN); + memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN); + iwl_led_associate(priv); + priv->cfg->ops->legacy->config_ap(priv); + } else + iwl_set_no_assoc(priv, vif); + } + + if (changes & BSS_CHANGED_IBSS) { + ret = priv->cfg->ops->legacy->manage_ibss_station(priv, vif, + bss_conf->ibss_joined); + if (ret) + IWL_ERR(priv, "failed to %s IBSS station %pM\n", + bss_conf->ibss_joined ? "add" : "remove", + bss_conf->bssid); + } + + mutex_unlock(&priv->mutex); + + IWL_DEBUG_MAC80211(priv, "leave\n"); +} +EXPORT_SYMBOL(iwl_legacy_mac_bss_info_changed); + +irqreturn_t iwl_isr_legacy(int irq, void *data) +{ + struct iwl_priv *priv = data; + u32 inta, inta_mask; + u32 inta_fh; + unsigned long flags; + if (!priv) + return IRQ_NONE; + + spin_lock_irqsave(&priv->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); + + /* Discover which interrupts are active/pending */ + inta = iwl_read32(priv, CSR_INT); + inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); + + /* 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 && !inta_fh) { + IWL_DEBUG_ISR(priv, + "Ignore interrupt, inta == 0, inta_fh == 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); + goto unplugged; + } + + IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", + inta, inta_mask, inta_fh); + + inta &= ~CSR_INT_BIT_SCD; + + /* iwl_irq_tasklet() will service interrupts and re-enable them */ + if (likely(inta || inta_fh)) + tasklet_schedule(&priv->irq_tasklet); + +unplugged: + spin_unlock_irqrestore(&priv->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)) + iwl_enable_interrupts(priv); + spin_unlock_irqrestore(&priv->lock, flags); + return IRQ_NONE; +} +EXPORT_SYMBOL(iwl_isr_legacy); + +/* + * iwl_legacy_tx_cmd_protection: Set rts/cts. 3945 and 4965 only share this + * function. + */ +void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv, + struct ieee80211_tx_info *info, + __le16 fc, __le32 *tx_flags) +{ + if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) { + *tx_flags |= TX_CMD_FLG_RTS_MSK; + *tx_flags &= ~TX_CMD_FLG_CTS_MSK; + *tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK; + + if (!ieee80211_is_mgmt(fc)) + return; + + switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { + case cpu_to_le16(IEEE80211_STYPE_AUTH): + case cpu_to_le16(IEEE80211_STYPE_DEAUTH): + case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): + case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): + *tx_flags &= ~TX_CMD_FLG_RTS_MSK; + *tx_flags |= TX_CMD_FLG_CTS_MSK; + break; + } + } else if (info->control.rates[0].flags & + IEEE80211_TX_RC_USE_CTS_PROTECT) { + *tx_flags &= ~TX_CMD_FLG_RTS_MSK; + *tx_flags |= TX_CMD_FLG_CTS_MSK; + *tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK; + } +} +EXPORT_SYMBOL(iwl_legacy_tx_cmd_protection); diff --git a/drivers/net/wireless/iwlwifi/iwl-legacy.h b/drivers/net/wireless/iwlwifi/iwl-legacy.h new file mode 100644 index 000000000000..9f7b2f935964 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-legacy.h @@ -0,0 +1,79 @@ +/****************************************************************************** + * + * 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) 2008 - 2010 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 - 2010 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_legacy_h__ +#define __iwl_legacy_h__ + +/* mac80211 handlers */ +int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed); +void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw); +void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes); +void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv, + struct ieee80211_tx_info *info, + __le16 fc, __le32 *tx_flags); + +irqreturn_t iwl_isr_legacy(int irq, void *data); + +#endif /* __iwl_legacy_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 49d7788937a9..1eec18d909d8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -75,6 +75,10 @@ struct iwl_power_vec_entry { #define NOSLP cpu_to_le16(0), 0, 0 #define SLP IWL_POWER_DRIVER_ALLOW_SLEEP_MSK, 0, 0 +#define ASLP (IWL_POWER_POWER_SAVE_ENA_MSK | \ + IWL_POWER_POWER_MANAGEMENT_ENA_MSK | \ + IWL_POWER_ADVANCE_PM_ENA_MSK) +#define ASLP_TOUT(T) cpu_to_le32(T) #define TU_TO_USEC 1024 #define SLP_TOUT(T) cpu_to_le32((T) * TU_TO_USEC) #define SLP_VEC(X0, X1, X2, X3, X4) {cpu_to_le32(X0), \ @@ -114,6 +118,52 @@ static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = { {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; +/* advance power management */ +/* DTIM 0 - 2 */ +static const struct iwl_power_vec_entry apm_range_0[IWL_POWER_NUM] = { + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 6, 8, 0xFF), ASLP_TOUT(2)}, 2} +}; + + +/* for DTIM period IWL_DTIM_RANGE_0_MAX + 1 through IWL_DTIM_RANGE_1_MAX */ +/* DTIM 3 - 10 */ +static const struct iwl_power_vec_entry apm_range_1[IWL_POWER_NUM] = { + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 6, 8, 0xFF), 0}, 2} +}; + +/* for DTIM period > IWL_DTIM_RANGE_1_MAX */ +/* DTIM 11 - */ +static const struct iwl_power_vec_entry apm_range_2[IWL_POWER_NUM] = { + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 4, 6, 0xFF), 0}, 0}, + {{ASLP, 0, 0, ASLP_TOUT(50), ASLP_TOUT(50), + SLP_VEC(1, 2, 6, 8, 0xFF), ASLP_TOUT(2)}, 2} +}; + static void iwl_static_sleep_cmd(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, enum iwl_power_level lvl, int period) @@ -124,11 +174,19 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, u8 skip; u32 slp_itrvl; - table = range_2; - if (period <= IWL_DTIM_RANGE_1_MAX) - table = range_1; - if (period <= IWL_DTIM_RANGE_0_MAX) - table = range_0; + if (priv->cfg->adv_pm) { + table = apm_range_2; + if (period <= IWL_DTIM_RANGE_1_MAX) + table = apm_range_1; + if (period <= IWL_DTIM_RANGE_0_MAX) + table = apm_range_0; + } else { + table = range_2; + if (period <= IWL_DTIM_RANGE_1_MAX) + table = range_1; + if (period <= IWL_DTIM_RANGE_0_MAX) + table = range_0; + } BUG_ON(lvl < 0 || lvl >= IWL_POWER_NUM); @@ -163,6 +221,20 @@ 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) + cmd->flags |= IWL_POWER_SHADOW_REG_ENA; + else + cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; + + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + if (!priv->cfg->bt_params->bt_sco_disable) + cmd->flags |= IWL_POWER_BT_SCO_ENA; + else + cmd->flags &= ~IWL_POWER_BT_SCO_ENA; + } + + slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]); if (slp_itrvl > IWL_CONN_MAX_LISTEN_INTERVAL) cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] = @@ -236,6 +308,19 @@ static void iwl_power_fill_sleep_cmd(struct iwl_priv *priv, if (priv->power_data.pci_pm) cmd->flags |= IWL_POWER_PCI_PM_MSK; + if (priv->cfg->base_params->shadow_reg_enable) + cmd->flags |= IWL_POWER_SHADOW_REG_ENA; + else + cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; + + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { + if (!priv->cfg->bt_params->bt_sco_disable) + cmd->flags |= IWL_POWER_BT_SCO_ENA; + else + cmd->flags &= ~IWL_POWER_BT_SCO_ENA; + } + cmd->rx_data_timeout = cpu_to_le32(1000 * dynps_ms); cmd->tx_data_timeout = cpu_to_le32(1000 * dynps_ms); @@ -263,70 +348,95 @@ static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd) sizeof(struct iwl_powertable_cmd), cmd); } -/* priv->mutex must be held */ -int iwl_power_update_mode(struct iwl_priv *priv, bool force) +static void iwl_power_build_cmd(struct iwl_priv *priv, + struct iwl_powertable_cmd *cmd) { - int ret = 0; bool enabled = priv->hw->conf.flags & IEEE80211_CONF_PS; - bool update_chains; - struct iwl_powertable_cmd cmd; int dtimper; - /* Don't update the RX chain when chain noise calibration is running */ - update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || - priv->chain_noise_data.state == IWL_CHAIN_NOISE_ALIVE; - dtimper = priv->hw->conf.ps_dtim_period ?: 1; if (priv->cfg->base_params->broken_powersave) - iwl_power_sleep_cam_cmd(priv, &cmd); + iwl_power_sleep_cam_cmd(priv, cmd); else if (priv->cfg->base_params->supports_idle && priv->hw->conf.flags & IEEE80211_CONF_IDLE) - iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_5, 20); + iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, 20); else if (priv->cfg->ops->lib->tt_ops.lower_power_detection && priv->cfg->ops->lib->tt_ops.tt_power_mode && priv->cfg->ops->lib->tt_ops.lower_power_detection(priv)) { /* in thermal throttling low power state */ - iwl_static_sleep_cmd(priv, &cmd, + iwl_static_sleep_cmd(priv, cmd, priv->cfg->ops->lib->tt_ops.tt_power_mode(priv), dtimper); } else if (!enabled) - iwl_power_sleep_cam_cmd(priv, &cmd); + iwl_power_sleep_cam_cmd(priv, cmd); else if (priv->power_data.debug_sleep_level_override >= 0) - iwl_static_sleep_cmd(priv, &cmd, + iwl_static_sleep_cmd(priv, cmd, priv->power_data.debug_sleep_level_override, dtimper); else if (no_sleep_autoadjust) - iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_1, dtimper); + iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_1, dtimper); else - iwl_power_fill_sleep_cmd(priv, &cmd, + iwl_power_fill_sleep_cmd(priv, cmd, priv->hw->conf.dynamic_ps_timeout, priv->hw->conf.max_sleep_period); +} + +int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, + bool force) +{ + int ret; + bool update_chains; + + lockdep_assert_held(&priv->mutex); + + /* Don't update the RX chain when chain noise calibration is running */ + update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || + priv->chain_noise_data.state == IWL_CHAIN_NOISE_ALIVE; + + if (!memcmp(&priv->power_data.sleep_cmd, cmd, sizeof(*cmd)) && !force) + return 0; + + if (!iwl_is_ready_rf(priv)) + return -EIO; - if (iwl_is_ready_rf(priv) && - (memcmp(&priv->power_data.sleep_cmd, &cmd, sizeof(cmd)) || force)) { - if (cmd.flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK) - set_bit(STATUS_POWER_PMI, &priv->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); - - if (priv->cfg->ops->lib->update_chain_flags && - update_chains) - priv->cfg->ops->lib->update_chain_flags(priv); - else if (priv->cfg->ops->lib->update_chain_flags) - IWL_DEBUG_POWER(priv, + /* 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) { + 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); + + ret = iwl_set_power(priv, cmd); + if (!ret) { + if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)) + clear_bit(STATUS_POWER_PMI, &priv->status); + + if (priv->cfg->ops->lib->update_chain_flags && update_chains) + priv->cfg->ops->lib->update_chain_flags(priv); + else if (priv->cfg->ops->lib->update_chain_flags) + IWL_DEBUG_POWER(priv, "Cannot update the power, chain noise " "calibration running: %d\n", priv->chain_noise_data.state); - memcpy(&priv->power_data.sleep_cmd, &cmd, sizeof(cmd)); - } else - IWL_ERR(priv, "set power fail, ret = %d", ret); - } + + memcpy(&priv->power_data.sleep_cmd, cmd, sizeof(*cmd)); + } else + IWL_ERR(priv, "set power fail, ret = %d", ret); return ret; } +EXPORT_SYMBOL(iwl_power_set_mode); + +int iwl_power_update_mode(struct iwl_priv *priv, bool force) +{ + struct iwl_powertable_cmd cmd; + + iwl_power_build_cmd(priv, &cmd); + return iwl_power_set_mode(priv, &cmd, force); +} EXPORT_SYMBOL(iwl_power_update_mode); /* initialize to default */ diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index df81565a7cc4..fe012032c28c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -41,10 +41,13 @@ enum iwl_power_level { struct iwl_power_mgr { struct iwl_powertable_cmd sleep_cmd; + struct iwl_powertable_cmd sleep_cmd_next; int debug_sleep_level_override; bool pci_pm; }; +int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, + bool force); int iwl_power_update_mode(struct iwl_priv *priv, bool force); void iwl_power_initialize(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 5469655646ae..86f5123bccda 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -83,10 +83,10 @@ #define APMG_DIGITAL_SVR_REG (APMG_BASE + 0x0058) #define APMG_ANALOG_SVR_REG (APMG_BASE + 0x006C) +#define APMS_CLK_VAL_MRB_FUNC_MODE (0x00000001) #define APMG_CLK_VAL_DMA_CLK_RQT (0x00000200) #define APMG_CLK_VAL_BSM_CLK_RQT (0x00000800) - #define APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS (0x00400000) #define APMG_PS_CTRL_VAL_RESET_REQ (0x04000000) #define APMG_PS_CTRL_MSK_PWR_SRC (0x03000000) diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index f436270ca39a..87a6fd84d4d2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -134,28 +134,37 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q if (q->need_update == 0) goto exit_unlock; - /* 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 (priv->cfg->base_params->shadow_reg_enable) { + /* shadow register enabled */ + /* Device expects a multiple of 8 */ + q->write_actual = (q->write & ~0x7); + iwl_write32(priv, rx_wrt_ptr_reg, 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 (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO(priv, "Rx queue requesting wakeup, GP1 = 0x%x\n", - reg); - iwl_set_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - goto exit_unlock; - } + if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { + IWL_DEBUG_INFO(priv, + "Rx queue requesting wakeup," + " GP1 = 0x%x\n", reg); + iwl_set_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + goto exit_unlock; + } - q->write_actual = (q->write & ~0x7); - iwl_write_direct32(priv, rx_wrt_ptr_reg, q->write_actual); + q->write_actual = (q->write & ~0x7); + iwl_write_direct32(priv, rx_wrt_ptr_reg, + 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, rx_wrt_ptr_reg, 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, rx_wrt_ptr_reg, + q->write_actual); + } } - q->need_update = 0; exit_unlock: diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 67da31295781..12d9363d0afe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -252,8 +252,7 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, IWL_DEBUG_SCAN(priv, "Scan on %sGHz took %dms\n", (priv->scan_band == IEEE80211_BAND_2GHZ) ? "2.4" : "5.2", - jiffies_to_msecs(elapsed_jiffies - (priv->scan_start, jiffies))); + jiffies_to_msecs(jiffies - priv->scan_start)); queue_work(priv->workqueue, &priv->scan_completed); @@ -603,13 +602,16 @@ out_settings: if (!iwl_is_ready_rf(priv)) goto out; - /* Since setting the TXPOWER may have been deferred while - * performing the scan, fire one off */ - iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + /* + * We do not commit power settings while scan is pending, + * do it now if the settings changed. + */ + iwl_power_set_mode(priv, &priv->power_data.sleep_cmd_next, false); + iwl_set_tx_power(priv, priv->tx_power_next, false); priv->cfg->ops->utils->post_scan(priv); - out: +out: mutex_unlock(&priv->mutex); } diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 972b738c0e4a..49493d176515 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -400,7 +400,8 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) } static int iwl_send_remove_station(struct iwl_priv *priv, - const u8 *addr, int sta_id) + const u8 *addr, int sta_id, + bool temporary) { struct iwl_rx_packet *pkt; int ret; @@ -436,9 +437,11 @@ static int iwl_send_remove_station(struct iwl_priv *priv, if (!ret) { switch (pkt->u.rem_sta.status) { case REM_STA_SUCCESS_MSK: - spin_lock_irqsave(&priv->sta_lock, flags_spin); - iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + if (!temporary) { + spin_lock_irqsave(&priv->sta_lock, flags_spin); + iwl_sta_ucode_deactivate(priv, sta_id); + spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + } IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; default: @@ -505,7 +508,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, spin_unlock_irqrestore(&priv->sta_lock, flags); - return iwl_send_remove_station(priv, addr, sta_id); + return iwl_send_remove_station(priv, addr, sta_id, false); out_err: spin_unlock_irqrestore(&priv->sta_lock, flags); return -EINVAL; @@ -624,6 +627,49 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) } EXPORT_SYMBOL(iwl_restore_stations); +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) +{ + unsigned long flags; + int sta_id = ctx->ap_sta_id; + int ret; + struct iwl_addsta_cmd sta_cmd; + struct iwl_link_quality_cmd lq; + bool active; + + spin_lock_irqsave(&priv->sta_lock, flags); + if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + spin_unlock_irqrestore(&priv->sta_lock, flags); + return; + } + + memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); + sta_cmd.mode = 0; + memcpy(&lq, priv->stations[sta_id].lq, sizeof(lq)); + + 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); + + if (active) { + ret = iwl_send_remove_station( + priv, priv->stations[sta_id].sta.sta.addr, + sta_id, true); + if (ret) + 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); + priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; + spin_unlock_irqrestore(&priv->sta_lock, flags); + + ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); + if (ret) + IWL_ERR(priv, "failed to re-add STA %pM (%d)\n", + priv->stations[sta_id].sta.sta.addr, ret); + iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); +} +EXPORT_SYMBOL(iwl_reprogram_ap_sta); + int iwl_get_free_ucode_key_index(struct iwl_priv *priv) { int i; @@ -736,6 +782,14 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (WARN_ON(lq->sta_id == IWL_INVALID_STATION)) return -EINVAL; + + spin_lock_irqsave(&priv->sta_lock, flags_spin); + if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { + spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + return -EINVAL; + } + spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + iwl_dump_lq_cmd(priv, lq); BUG_ON(init && (cmd.flags & CMD_ASYNC)); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 06475872eee4..206f1e1a0caf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -63,6 +63,7 @@ u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_link_quality_cmd *lq, u8 flags, bool init); +void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); /** * iwl_clear_driver_stations - clear knowledge of all stations from driver diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 7261ee49f282..073b6ce6141c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -49,30 +49,39 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) if (txq->need_update == 0) return; - /* if we're trying to save power */ - if (test_bit(STATUS_POWER_PMI, &priv->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); - - if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO(priv, "Tx queue %d requesting wakeup, GP1 = 0x%x\n", - txq_id, reg); - iwl_set_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - return; - } - - iwl_write_direct32(priv, HBUS_TARG_WRPTR, - txq->q.write_ptr | (txq_id << 8)); - - /* else not in power-save mode, uCode will never sleep when we're - * trying to tx (during RFKILL, we're not trying to tx). */ - } else + if (priv->cfg->base_params->shadow_reg_enable) { + /* shadow register enabled */ iwl_write32(priv, 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)) { + /* 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); + + if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { + IWL_DEBUG_INFO(priv, + "Tx queue %d requesting wakeup," + " GP1 = 0x%x\n", txq_id, reg); + iwl_set_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + return; + } + + iwl_write_direct32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); + /* + * else not in power-save mode, + * uCode will never sleep when we're + * trying to tx (during RFKILL, we're not trying to tx). + */ + } else + iwl_write32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); + } txq->need_update = 0; } EXPORT_SYMBOL(iwl_txq_update_write_ptr); @@ -254,8 +263,6 @@ static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, q->high_mark = 2; q->write_ptr = q->read_ptr = 0; - q->last_read_ptr = 0; - q->repeat_same_read_ptr = 0; return 0; } @@ -350,13 +357,12 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, txq->need_update = 0; /* - * Aggregation TX queues will get their ID when aggregation begins; - * they overwrite the setting done here. The command FIFO doesn't - * need an swq_id so don't set one to catch errors, all others can - * be set up to the identity mapping. + * For the default queues 0-3, set up the swq_id + * already -- all others need to get one later + * (if they need one at all). */ - if (txq_id != priv->cmd_queue) - txq->swq_id = txq_id; + if (txq_id < 4) + iwl_set_swq_id(txq, txq_id, txq_id); /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 7edf8c2fb8c7..371abbf60eac 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -61,6 +61,7 @@ #include "iwl-helpers.h" #include "iwl-dev.h" #include "iwl-spectrum.h" +#include "iwl-legacy.h" /* * module name, copyright, version, etc. @@ -474,7 +475,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) dma_addr_t phys_addr; dma_addr_t txcmd_phys; int txq_id = skb_get_queue_mapping(skb); - u16 len, idx, len_org, hdr_len; /* TODO: len_org is not used */ + u16 len, idx, hdr_len; u8 id; u8 unicast; u8 sta_id; @@ -611,15 +612,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) */ len = sizeof(struct iwl3945_tx_cmd) + sizeof(struct iwl_cmd_header) + hdr_len; - - len_org = len; len = (len + 3) & ~3; - if (len_org != len) - len_org = 1; - else - len_org = 0; - /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ txcmd_phys = pci_map_single(priv->pci_dev, &out_cmd->hdr, @@ -661,7 +655,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) spin_unlock_irqrestore(&priv->lock, flags); } - iwl_stop_queue(priv, skb_get_queue_mapping(skb)); + iwl_stop_queue(priv, txq); } return 0; @@ -2515,13 +2509,8 @@ static void iwl3945_alive_start(struct iwl_priv *priv) /* After the ALIVE response, we can send commands to 3945 uCode */ set_bit(STATUS_ALIVE, &priv->status); - if (priv->cfg->ops->lib->recover_from_tx_stall) { - /* Enable timer to monitor the driver queues */ - mod_timer(&priv->monitor_recover, - jiffies + - msecs_to_jiffies( - priv->cfg->base_params->monitor_recover_period)); - } + /* Enable watchdog to monitor the driver tx queues */ + iwl_setup_watchdog(priv); if (iwl_is_rfkill(priv)) return; @@ -2578,8 +2567,7 @@ static void __iwl3945_down(struct iwl_priv *priv) /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set * to prevent rearm timer */ - if (priv->cfg->ops->lib->recover_from_tx_stall) - del_timer_sync(&priv->monitor_recover); + del_timer_sync(&priv->watchdog); /* Station information will now be cleared in device */ iwl_clear_ucode_stations(priv, NULL); @@ -3057,22 +3045,22 @@ static void iwl3945_bg_rx_replenish(struct work_struct *data) mutex_unlock(&priv->mutex); } -void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) +void iwl3945_post_associate(struct iwl_priv *priv) { int rc = 0; struct ieee80211_conf *conf = NULL; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - if (!vif || !priv->is_open) + if (!ctx->vif || !priv->is_open) return; - if (vif->type == NL80211_IFTYPE_AP) { + if (ctx->vif->type == NL80211_IFTYPE_AP) { IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__); return; } IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n", - vif->bss_conf.aid, ctx->active.bssid_addr); + ctx->vif->bss_conf.aid, ctx->active.bssid_addr); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -3091,18 +3079,18 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; - ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid); + ctx->staging.assoc_id = cpu_to_le16(ctx->vif->bss_conf.aid); IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", - vif->bss_conf.aid, vif->bss_conf.beacon_int); + ctx->vif->bss_conf.aid, ctx->vif->bss_conf.beacon_int); - if (vif->bss_conf.use_short_preamble) + if (ctx->vif->bss_conf.use_short_preamble) ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; else ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) { - if (vif->bss_conf.use_short_slot) + if (ctx->vif->bss_conf.use_short_slot) ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; else ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; @@ -3110,7 +3098,7 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) iwl3945_commit_rxon(priv, ctx); - switch (vif->type) { + switch (ctx->vif->type) { case NL80211_IFTYPE_STATION: iwl3945_rate_scale_init(priv->hw, IWL_AP_ID); break; @@ -3119,7 +3107,7 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif) break; default: IWL_ERR(priv, "%s Should not be called in %d mode\n", - __func__, vif->type); + __func__, ctx->vif->type); break; } } @@ -3234,9 +3222,10 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return NETDEV_TX_OK; } -void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif) +void iwl3945_config_ap(struct iwl_priv *priv) { struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + struct ieee80211_vif *vif = ctx->vif; int rc = 0; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) @@ -3407,9 +3396,9 @@ static void iwl3945_configure_filter(struct ieee80211_hw *hw, ctx->staging.filter_flags |= filter_or; /* - * Committing directly here breaks for some reason, - * but we'll eventually commit the filter flags - * change anyway. + * Not committing directly because hardware can perform a scan, + * but even if hw is ready, committing here breaks for some reason, + * we'll eventually commit the filter flags change anyway. */ mutex_unlock(&priv->mutex); @@ -3780,12 +3769,9 @@ static void iwl3945_setup_deferred_work(struct iwl_priv *priv) iwl3945_hw_setup_deferred_work(priv); - if (priv->cfg->ops->lib->recover_from_tx_stall) { - init_timer(&priv->monitor_recover); - priv->monitor_recover.data = (unsigned long)priv; - priv->monitor_recover.function = - priv->cfg->ops->lib->recover_from_tx_stall; - } + init_timer(&priv->watchdog); + priv->watchdog.data = (unsigned long)priv; + priv->watchdog.function = iwl_bg_watchdog; tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) iwl3945_irq_tasklet, (unsigned long)priv); @@ -3824,18 +3810,19 @@ static struct attribute_group iwl3945_attribute_group = { .attrs = iwl3945_sysfs_entries, }; -static struct ieee80211_ops iwl3945_hw_ops = { +struct ieee80211_ops iwl3945_hw_ops = { .tx = iwl3945_mac_tx, .start = iwl3945_mac_start, .stop = iwl3945_mac_stop, .add_interface = iwl_mac_add_interface, .remove_interface = iwl_mac_remove_interface, - .config = iwl_mac_config, + .change_interface = iwl_mac_change_interface, + .config = iwl_legacy_mac_config, .configure_filter = iwl3945_configure_filter, .set_key = iwl3945_mac_set_key, .conf_tx = iwl_mac_conf_tx, - .reset_tsf = iwl_mac_reset_tsf, - .bss_info_changed = iwl_bss_info_changed, + .reset_tsf = iwl_legacy_mac_reset_tsf, + .bss_info_changed = iwl_legacy_mac_bss_info_changed, .hw_scan = iwl_mac_hw_scan, .sta_add = iwl3945_mac_sta_add, .sta_remove = iwl_mac_sta_remove, @@ -3865,7 +3852,15 @@ static int iwl3945_init_drv(struct iwl_priv *priv) priv->iw_mode = NL80211_IFTYPE_STATION; priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; + /* initialize force reset */ + priv->force_reset[IWL_RF_RESET].reset_duration = + IWL_DELAY_NEXT_FORCE_RF_RESET; + priv->force_reset[IWL_FW_RESET].reset_duration = + IWL_DELAY_NEXT_FORCE_FW_RELOAD; + + priv->tx_power_user_lmt = IWL_DEFAULT_TX_POWER; + priv->tx_power_next = IWL_DEFAULT_TX_POWER; if (eeprom->version < EEPROM_3945_EEPROM_VERSION) { IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n", @@ -3965,7 +3960,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ - hw = iwl_alloc_all(cfg, &iwl3945_hw_ops); + hw = iwl_alloc_all(cfg); if (hw == NULL) { pr_err("Can not allocate network device\n"); err = -ENOMEM; @@ -4117,7 +4112,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e pci_enable_msi(priv->pci_dev); - err = request_irq(priv->pci_dev->irq, priv->cfg->ops->lib->isr, + err = request_irq(priv->pci_dev->irq, priv->cfg->ops->lib->isr_ops.isr, IRQF_SHARED, DRV_NAME, priv); if (err) { IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq); @@ -4275,10 +4270,7 @@ static struct pci_driver iwl3945_driver = { .id_table = iwl3945_hw_card_ids, .probe = iwl3945_pci_probe, .remove = __devexit_p(iwl3945_pci_remove), -#ifdef CONFIG_PM - .suspend = iwl_pci_suspend, - .resume = iwl_pci_resume, -#endif + .driver.pm = IWL_PM_OPS, }; static int __init iwl3945_init(void) |