aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/rtlwifi/base.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/rtlwifi/base.c')
-rw-r--r--drivers/staging/rtlwifi/base.c2815
1 files changed, 0 insertions, 2815 deletions
diff --git a/drivers/staging/rtlwifi/base.c b/drivers/staging/rtlwifi/base.c
deleted file mode 100644
index 35df2cf60619..000000000000
--- a/drivers/staging/rtlwifi/base.c
+++ /dev/null
@@ -1,2815 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/******************************************************************************
- *
- * Copyright(c) 2009-2012 Realtek Corporation.
- *
- * Contact Information:
- * wlanfae <wlanfae@realtek.com>
- * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
- * Hsinchu 300, Taiwan.
- *
- * Larry Finger <Larry.Finger@lwfinger.net>
- *
- *****************************************************************************/
-
-#include "wifi.h"
-#include "rc.h"
-#include "base.h"
-#include "efuse.h"
-#include "cam.h"
-#include "ps.h"
-#include "regd.h"
-#include "pci.h"
-#include <linux/ip.h>
-#include <linux/module.h>
-#include <linux/udp.h>
-
-/*
- *NOTICE!!!: This file will be very big, we should
- *keep it clear under following roles:
- *
- *This file include following parts, so, if you add new
- *functions into this file, please check which part it
- *should includes. or check if you should add new part
- *for this file:
- *
- *1) mac80211 init functions
- *2) tx information functions
- *3) functions called by core.c
- *4) wq & timer callback functions
- *5) frame process functions
- *6) IOT functions
- *7) sysfs functions
- *8) vif functions
- *9) ...
- */
-
-/*********************************************************
- *
- * mac80211 init functions
- *
- *********************************************************/
-static struct ieee80211_channel rtl_channeltable_2g[] = {
- {.center_freq = 2412, .hw_value = 1,},
- {.center_freq = 2417, .hw_value = 2,},
- {.center_freq = 2422, .hw_value = 3,},
- {.center_freq = 2427, .hw_value = 4,},
- {.center_freq = 2432, .hw_value = 5,},
- {.center_freq = 2437, .hw_value = 6,},
- {.center_freq = 2442, .hw_value = 7,},
- {.center_freq = 2447, .hw_value = 8,},
- {.center_freq = 2452, .hw_value = 9,},
- {.center_freq = 2457, .hw_value = 10,},
- {.center_freq = 2462, .hw_value = 11,},
- {.center_freq = 2467, .hw_value = 12,},
- {.center_freq = 2472, .hw_value = 13,},
- {.center_freq = 2484, .hw_value = 14,},
-};
-
-static struct ieee80211_channel rtl_channeltable_5g[] = {
- {.center_freq = 5180, .hw_value = 36,},
- {.center_freq = 5200, .hw_value = 40,},
- {.center_freq = 5220, .hw_value = 44,},
- {.center_freq = 5240, .hw_value = 48,},
- {.center_freq = 5260, .hw_value = 52,},
- {.center_freq = 5280, .hw_value = 56,},
- {.center_freq = 5300, .hw_value = 60,},
- {.center_freq = 5320, .hw_value = 64,},
- {.center_freq = 5500, .hw_value = 100,},
- {.center_freq = 5520, .hw_value = 104,},
- {.center_freq = 5540, .hw_value = 108,},
- {.center_freq = 5560, .hw_value = 112,},
- {.center_freq = 5580, .hw_value = 116,},
- {.center_freq = 5600, .hw_value = 120,},
- {.center_freq = 5620, .hw_value = 124,},
- {.center_freq = 5640, .hw_value = 128,},
- {.center_freq = 5660, .hw_value = 132,},
- {.center_freq = 5680, .hw_value = 136,},
- {.center_freq = 5700, .hw_value = 140,},
- {.center_freq = 5745, .hw_value = 149,},
- {.center_freq = 5765, .hw_value = 153,},
- {.center_freq = 5785, .hw_value = 157,},
- {.center_freq = 5805, .hw_value = 161,},
- {.center_freq = 5825, .hw_value = 165,},
-};
-
-static struct ieee80211_rate rtl_ratetable_2g[] = {
- {.bitrate = 10, .hw_value = 0x00,},
- {.bitrate = 20, .hw_value = 0x01,},
- {.bitrate = 55, .hw_value = 0x02,},
- {.bitrate = 110, .hw_value = 0x03,},
- {.bitrate = 60, .hw_value = 0x04,},
- {.bitrate = 90, .hw_value = 0x05,},
- {.bitrate = 120, .hw_value = 0x06,},
- {.bitrate = 180, .hw_value = 0x07,},
- {.bitrate = 240, .hw_value = 0x08,},
- {.bitrate = 360, .hw_value = 0x09,},
- {.bitrate = 480, .hw_value = 0x0a,},
- {.bitrate = 540, .hw_value = 0x0b,},
-};
-
-static struct ieee80211_rate rtl_ratetable_5g[] = {
- {.bitrate = 60, .hw_value = 0x04,},
- {.bitrate = 90, .hw_value = 0x05,},
- {.bitrate = 120, .hw_value = 0x06,},
- {.bitrate = 180, .hw_value = 0x07,},
- {.bitrate = 240, .hw_value = 0x08,},
- {.bitrate = 360, .hw_value = 0x09,},
- {.bitrate = 480, .hw_value = 0x0a,},
- {.bitrate = 540, .hw_value = 0x0b,},
-};
-
-static const struct ieee80211_supported_band rtl_band_2ghz = {
- .band = NL80211_BAND_2GHZ,
-
- .channels = rtl_channeltable_2g,
- .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
-
- .bitrates = rtl_ratetable_2g,
- .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
-
- .ht_cap = {0},
-};
-
-static struct ieee80211_supported_band rtl_band_5ghz = {
- .band = NL80211_BAND_5GHZ,
-
- .channels = rtl_channeltable_5g,
- .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
-
- .bitrates = rtl_ratetable_5g,
- .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
-
- .ht_cap = {0},
-};
-
-static const u8 tid_to_ac[] = {
- 2, /* IEEE80211_AC_BE */
- 3, /* IEEE80211_AC_BK */
- 3, /* IEEE80211_AC_BK */
- 2, /* IEEE80211_AC_BE */
- 1, /* IEEE80211_AC_VI */
- 1, /* IEEE80211_AC_VI */
- 0, /* IEEE80211_AC_VO */
- 0, /* IEEE80211_AC_VO */
-};
-
-u8 rtl_tid_to_ac(u8 tid)
-{
- return tid_to_ac[tid];
-}
-
-static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
- struct ieee80211_sta_ht_cap *ht_cap)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &rtlpriv->phy;
-
- ht_cap->ht_supported = true;
- ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
- IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
-
- if (rtlpriv->rtlhal.disable_amsdu_8k)
- ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
-
- /*
- *Maximum length of AMPDU that the STA can receive.
- *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
- */
- ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
-
- /*Minimum MPDU start spacing , */
- ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
-
- ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
-
- /*hw->wiphy->bands[NL80211_BAND_2GHZ]
- *base on ant_num
- *rx_mask: RX mask
- *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
- *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
- *if rx_ant >= 3 rx_mask[2]= 0xff;
- *if BW_40 rx_mask[4]= 0x01;
- *highest supported RX rate
- */
- if (rtlpriv->dm.supp_phymode_switch) {
- pr_info("Support phy mode switch\n");
-
- ht_cap->mcs.rx_mask[0] = 0xFF;
- ht_cap->mcs.rx_mask[1] = 0xFF;
- ht_cap->mcs.rx_mask[4] = 0x01;
-
- ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
- } else {
- if (get_rf_type(rtlphy) == RF_1T2R ||
- get_rf_type(rtlphy) == RF_2T2R) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
- "1T2R or 2T2R\n");
- ht_cap->mcs.rx_mask[0] = 0xFF;
- ht_cap->mcs.rx_mask[1] = 0xFF;
- ht_cap->mcs.rx_mask[4] = 0x01;
-
- ht_cap->mcs.rx_highest =
- cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
- } else if (get_rf_type(rtlphy) == RF_1T1R) {
- RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
-
- ht_cap->mcs.rx_mask[0] = 0xFF;
- ht_cap->mcs.rx_mask[1] = 0x00;
- ht_cap->mcs.rx_mask[4] = 0x01;
-
- ht_cap->mcs.rx_highest =
- cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
- }
- }
-}
-
-static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
- struct ieee80211_sta_vht_cap *vht_cap)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
-
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
- rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
- u16 mcs_map;
-
- vht_cap->vht_supported = true;
- vht_cap->cap =
- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
- IEEE80211_VHT_CAP_SHORT_GI_80 |
- IEEE80211_VHT_CAP_TXSTBC |
- IEEE80211_VHT_CAP_RXSTBC_1 |
- IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
- IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
- IEEE80211_VHT_CAP_HTC_VHT |
- IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
- IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
- IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
- 0;
-
- mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
- IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
-
- vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.rx_highest =
- cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
- vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.tx_highest =
- cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
- } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
- u16 mcs_map;
-
- vht_cap->vht_supported = true;
- vht_cap->cap =
- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
- IEEE80211_VHT_CAP_SHORT_GI_80 |
- IEEE80211_VHT_CAP_TXSTBC |
- IEEE80211_VHT_CAP_RXSTBC_1 |
- IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
- IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
- IEEE80211_VHT_CAP_HTC_VHT |
- IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
- IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
- IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
- 0;
-
- mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
- IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
-
- vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.rx_highest =
- cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
- vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.tx_highest =
- cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
- }
-}
-
-static void _rtl_init_mac80211(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
- struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
- struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
- struct ieee80211_supported_band *sband;
-
- if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
- rtlhal->bandset == BAND_ON_BOTH) {
- /* 1: 2.4 G bands */
- /* <1> use mac->bands as mem for hw->wiphy->bands */
- sband = &rtlmac->bands[NL80211_BAND_2GHZ];
-
- /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
- * to default value(1T1R)
- */
- memcpy(&rtlmac->bands[NL80211_BAND_2GHZ], &rtl_band_2ghz,
- sizeof(struct ieee80211_supported_band));
-
- /* <3> init ht cap base on ant_num */
- _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
-
- /* <4> set mac->sband to wiphy->sband */
- hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
-
- /* 2: 5 G bands */
- /* <1> use mac->bands as mem for hw->wiphy->bands */
- sband = &rtlmac->bands[NL80211_BAND_5GHZ];
-
- /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
- * to default value(1T1R)
- */
- memcpy(&rtlmac->bands[NL80211_BAND_5GHZ], &rtl_band_5ghz,
- sizeof(struct ieee80211_supported_band));
-
- /* <3> init ht cap base on ant_num */
- _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
-
- _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
- /* <4> set mac->sband to wiphy->sband */
- hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
- } else {
- if (rtlhal->current_bandtype == BAND_ON_2_4G) {
- /* <1> use mac->bands as mem for hw->wiphy->bands */
- sband = &rtlmac->bands[NL80211_BAND_2GHZ];
-
- /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
- * to default value(1T1R)
- */
- memcpy(&rtlmac->bands[NL80211_BAND_2GHZ],
- &rtl_band_2ghz,
- sizeof(struct ieee80211_supported_band));
-
- /* <3> init ht cap base on ant_num */
- _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
-
- /* <4> set mac->sband to wiphy->sband */
- hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
- } else if (rtlhal->current_bandtype == BAND_ON_5G) {
- /* <1> use mac->bands as mem for hw->wiphy->bands */
- sband = &rtlmac->bands[NL80211_BAND_5GHZ];
-
- /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
- * to default value(1T1R)
- */
- memcpy(&rtlmac->bands[NL80211_BAND_5GHZ],
- &rtl_band_5ghz,
- sizeof(struct ieee80211_supported_band));
-
- /* <3> init ht cap base on ant_num */
- _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
-
- _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
- /* <4> set mac->sband to wiphy->sband */
- hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
- } else {
- pr_err("Err BAND %d\n",
- rtlhal->current_bandtype);
- }
- }
- /* <5> set hw caps */
- ieee80211_hw_set(hw, SIGNAL_DBM);
- ieee80211_hw_set(hw, RX_INCLUDES_FCS);
- ieee80211_hw_set(hw, AMPDU_AGGREGATION);
- ieee80211_hw_set(hw, CONNECTION_MONITOR);
- ieee80211_hw_set(hw, MFP_CAPABLE);
- ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
- ieee80211_hw_set(hw, SUPPORTS_TX_FRAG);
- ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
- ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
-
- /* swlps or hwlps has been set in diff chip in init_sw_vars */
- if (rtlpriv->psc.swctrl_lps) {
- ieee80211_hw_set(hw, SUPPORTS_PS);
- ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
- }
- if (rtlpriv->psc.fwctrl_lps) {
- ieee80211_hw_set(hw, SUPPORTS_PS);
- ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
- }
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT) |
- BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO);
- hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
-
- hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-
- hw->wiphy->rts_threshold = 2347;
-
- hw->queues = AC_MAX;
- hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
-
- /* TODO: Correct this value for our hw */
- hw->max_listen_interval = MAX_LISTEN_INTERVAL;
- hw->max_rate_tries = MAX_RATE_TRIES;
- /* hw->max_rates = 1; */
- hw->sta_data_size = sizeof(struct rtl_sta_info);
-
-/* wowlan is not supported by kernel if CONFIG_PM is not defined */
-#ifdef CONFIG_PM
- if (rtlpriv->psc.wo_wlan_mode) {
- if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
- rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
- if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
- rtlpriv->wowlan.n_patterns =
- MAX_SUPPORT_WOL_PATTERN_NUM;
- rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
- rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
- }
- hw->wiphy->wowlan = &rtlpriv->wowlan;
- }
-#endif
-
- /* <6> mac address */
- if (is_valid_ether_addr(rtlefuse->dev_addr)) {
- SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
- } else {
- u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
-
- get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
- SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
- }
-}
-
-static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- /* <1> timer */
- timer_setup(&rtlpriv->works.watchdog_timer,
- rtl_watch_dog_timer_callback, 0);
- timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
- rtl_easy_concurrent_retrytimer_callback, 0);
- /* <2> work queue */
- rtlpriv->works.hw = hw;
- rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
- INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
- (void *)rtl_watchdog_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
- (void *)rtl_ips_nic_off_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
- (void *)rtl_swlps_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
- (void *)rtl_swlps_rfon_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
- (void *)rtl_fwevt_wq_callback);
- INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq,
- (void *)rtl_c2hcmd_wq_callback);
-}
-
-void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- del_timer_sync(&rtlpriv->works.watchdog_timer);
-
- cancel_delayed_work(&rtlpriv->works.watchdog_wq);
- cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
- cancel_delayed_work(&rtlpriv->works.ps_work);
- cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
- cancel_delayed_work(&rtlpriv->works.fwevt_wq);
- cancel_delayed_work(&rtlpriv->works.c2hcmd_wq);
-}
-
-void rtl_init_rfkill(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- bool radio_state;
- bool blocked;
- u8 valid = 0;
-
- /*set init state to on */
- rtlpriv->rfkill.rfkill_state = true;
- wiphy_rfkill_set_hw_state(hw->wiphy, 0);
-
- radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
-
- if (valid) {
- pr_info("rtlwifi: wireless switch is %s\n",
- rtlpriv->rfkill.rfkill_state ? "on" : "off");
-
- rtlpriv->rfkill.rfkill_state = radio_state;
-
- blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
- wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
- }
-
- wiphy_rfkill_start_polling(hw->wiphy);
-}
-
-void rtl_deinit_rfkill(struct ieee80211_hw *hw)
-{
- wiphy_rfkill_stop_polling(hw->wiphy);
-}
-
-int rtl_init_core(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
-
- /* <1> init mac80211 */
- _rtl_init_mac80211(hw);
- rtlmac->hw = hw;
-
- /* <2> rate control register */
- hw->rate_control_algorithm = "rtl_rc";
-
- /*
- * <3> init CRDA must come after init
- * mac80211 hw in _rtl_init_mac80211.
- */
- if (rtl_regd_init(hw, rtl_reg_notifier)) {
- pr_err("REGD init failed\n");
- return 1;
- }
-
- /* <4> locks */
- mutex_init(&rtlpriv->locks.conf_mutex);
- mutex_init(&rtlpriv->locks.ips_mutex);
- mutex_init(&rtlpriv->locks.lps_mutex);
- spin_lock_init(&rtlpriv->locks.irq_th_lock);
- spin_lock_init(&rtlpriv->locks.h2c_lock);
- spin_lock_init(&rtlpriv->locks.rf_ps_lock);
- spin_lock_init(&rtlpriv->locks.rf_lock);
- spin_lock_init(&rtlpriv->locks.waitq_lock);
- spin_lock_init(&rtlpriv->locks.entry_list_lock);
- spin_lock_init(&rtlpriv->locks.c2hcmd_lock);
- spin_lock_init(&rtlpriv->locks.scan_list_lock);
- spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
- spin_lock_init(&rtlpriv->locks.fw_ps_lock);
- spin_lock_init(&rtlpriv->locks.iqk_lock);
- /* <5> init list */
- INIT_LIST_HEAD(&rtlpriv->entry_list);
- INIT_LIST_HEAD(&rtlpriv->c2hcmd_list);
- INIT_LIST_HEAD(&rtlpriv->scan_list.list);
-
- rtlmac->link_state = MAC80211_NOLINK;
-
- /* <6> init deferred work */
- _rtl_init_deferred_work(hw);
-
- return 0;
-}
-
-static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
-
-void rtl_deinit_core(struct ieee80211_hw *hw)
-{
- rtl_c2hcmd_launcher(hw, 0);
- rtl_free_entries_from_scan_list(hw);
-}
-
-void rtl_init_rx_config(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-
- rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)&mac->rx_conf);
-}
-
-/*********************************************************
- *
- * tx information functions
- *
- *********************************************************/
-static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
- struct rtl_tcb_desc *tcb_desc,
- struct ieee80211_tx_info *info)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u8 rate_flag = info->control.rates[0].flags;
-
- tcb_desc->use_shortpreamble = false;
-
- /* 1M can only use Long Preamble. 11B spec */
- if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
- return;
- else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
- tcb_desc->use_shortpreamble = true;
-}
-
-static void _rtl_query_shortgi(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- struct rtl_tcb_desc *tcb_desc,
- struct ieee80211_tx_info *info)
-{
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- u8 rate_flag = info->control.rates[0].flags;
- u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
- u8 sgi_80 = 0, bw_80 = 0;
-
- tcb_desc->use_shortgi = false;
-
- if (!sta)
- return;
-
- sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
- sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
- sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
-
- if (!sta->ht_cap.ht_supported && !sta->vht_cap.vht_supported)
- return;
-
- if (!sgi_40 && !sgi_20)
- return;
-
- if (mac->opmode == NL80211_IFTYPE_STATION) {
- bw_40 = mac->bw_40;
- bw_80 = mac->bw_80;
- } else if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC ||
- mac->opmode == NL80211_IFTYPE_MESH_POINT) {
- bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- bw_80 = sta->vht_cap.vht_supported;
- }
-
- if (bw_80) {
- if (sgi_80)
- tcb_desc->use_shortgi = true;
- else
- tcb_desc->use_shortgi = false;
- } else {
- if (bw_40 && sgi_40)
- tcb_desc->use_shortgi = true;
- else if (!bw_40 && sgi_20)
- tcb_desc->use_shortgi = true;
- }
-
- if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
- tcb_desc->use_shortgi = false;
-}
-
-static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
- struct rtl_tcb_desc *tcb_desc,
- struct ieee80211_tx_info *info)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u8 rate_flag = info->control.rates[0].flags;
-
- /* Common Settings */
- tcb_desc->rts_stbc = false;
- tcb_desc->cts_enable = false;
- tcb_desc->rts_sc = 0;
- tcb_desc->rts_bw = false;
- tcb_desc->rts_use_shortpreamble = false;
- tcb_desc->rts_use_shortgi = false;
-
- if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
- /* Use CTS-to-SELF in protection mode. */
- tcb_desc->rts_enable = true;
- tcb_desc->cts_enable = true;
- tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
- } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
- /* Use RTS-CTS in protection mode. */
- tcb_desc->rts_enable = true;
- tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
- }
-}
-
-u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
- enum wireless_mode wirelessmode)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &rtlpriv->phy;
- u8 ret = 0;
-
- switch (rate_index) {
- case RATR_INX_WIRELESS_NGB:
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_BGN_40M_1SS;
- else
- ret = RATEID_IDX_BGN_40M_2SS;
- break;
- case RATR_INX_WIRELESS_N:
- case RATR_INX_WIRELESS_NG:
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_GN_N1SS;
- else
- ret = RATEID_IDX_GN_N2SS;
- break;
- case RATR_INX_WIRELESS_NB:
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_BGN_20M_1SS_BN;
- else
- ret = RATEID_IDX_BGN_20M_2SS_BN;
- break;
- case RATR_INX_WIRELESS_GB:
- ret = RATEID_IDX_BG;
- break;
- case RATR_INX_WIRELESS_G:
- ret = RATEID_IDX_G;
- break;
- case RATR_INX_WIRELESS_B:
- ret = RATEID_IDX_B;
- break;
- case RATR_INX_WIRELESS_MC:
- if (wirelessmode == WIRELESS_MODE_B ||
- wirelessmode == WIRELESS_MODE_G ||
- wirelessmode == WIRELESS_MODE_N_24G ||
- wirelessmode == WIRELESS_MODE_AC_24G)
- ret = RATEID_IDX_BG;
- else
- ret = RATEID_IDX_G;
- break;
- case RATR_INX_WIRELESS_AC_5N:
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_VHT_1SS;
- else
- ret = RATEID_IDX_VHT_2SS;
- break;
- case RATR_INX_WIRELESS_AC_24N:
- if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_VHT_1SS;
- else
- ret = RATEID_IDX_VHT_2SS;
- } else {
- if (rtlphy->rf_type == RF_1T1R)
- ret = RATEID_IDX_MIX1;
- else
- ret = RATEID_IDX_MIX2;
- }
- break;
- default:
- ret = RATEID_IDX_BGN_40M_2SS;
- break;
- }
- return ret;
-}
-
-static inline u8 _rtl_rate_id(struct ieee80211_hw *hw,
- struct rtl_sta_info *sta_entry,
- int rate_index)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- if (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) {
- int wireless_mode = sta_entry ?
- sta_entry->wireless_mode : WIRELESS_MODE_G;
-
- return rtl_mrate_idx_to_arfr_id(hw, rate_index, wireless_mode);
- } else {
- return rate_index;
- }
-}
-
-static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- struct rtl_tcb_desc *tcb_desc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct rtl_sta_info *sta_entry = NULL;
- u8 ratr_index = _rtl_rate_id(hw, sta_entry, RATR_INX_WIRELESS_MC);
-
- if (sta) {
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- ratr_index = sta_entry->ratr_index;
- }
- if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
- if (mac->opmode == NL80211_IFTYPE_STATION) {
- tcb_desc->ratr_index = 0;
- } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
- mac->opmode == NL80211_IFTYPE_MESH_POINT) {
- if (tcb_desc->multicast || tcb_desc->broadcast) {
- tcb_desc->hw_rate =
- rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
- tcb_desc->use_driver_rate = 1;
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_MC);
- } else {
- tcb_desc->ratr_index = ratr_index;
- }
- } else if (mac->opmode == NL80211_IFTYPE_AP) {
- tcb_desc->ratr_index = ratr_index;
- }
- }
-
- if (rtlpriv->dm.useramask) {
- tcb_desc->ratr_index = ratr_index;
- /* TODO we will differentiate adhoc and station future */
- if (mac->opmode == NL80211_IFTYPE_STATION ||
- mac->opmode == NL80211_IFTYPE_MESH_POINT) {
- tcb_desc->mac_id = 0;
-
- if (sta &&
- (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
- ; /* use sta_entry->ratr_index */
- else if (mac->mode == WIRELESS_MODE_AC_5G)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_AC_5N);
- else if (mac->mode == WIRELESS_MODE_AC_24G)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_AC_24N);
- else if (mac->mode == WIRELESS_MODE_N_24G)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_NGB);
- else if (mac->mode == WIRELESS_MODE_N_5G)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_NG);
- else if (mac->mode & WIRELESS_MODE_G)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_GB);
- else if (mac->mode & WIRELESS_MODE_B)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_B);
- else if (mac->mode & WIRELESS_MODE_A)
- tcb_desc->ratr_index =
- _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_G);
-
- } else if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC) {
- if (sta) {
- if (sta->aid > 0)
- tcb_desc->mac_id = sta->aid + 1;
- else
- tcb_desc->mac_id = 1;
- } else {
- tcb_desc->mac_id = 0;
- }
- }
- }
-}
-
-static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- struct rtl_tcb_desc *tcb_desc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-
- tcb_desc->packet_bw = false;
- if (!sta)
- return;
- if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC ||
- mac->opmode == NL80211_IFTYPE_MESH_POINT) {
- if (!(sta->ht_cap.ht_supported) ||
- !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
- return;
- } else if (mac->opmode == NL80211_IFTYPE_STATION) {
- if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
- return;
- }
- if (tcb_desc->multicast || tcb_desc->broadcast)
- return;
-
- /*use legency rate, shall use 20MHz */
- if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
- return;
-
- tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
-
- if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
- rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE ||
- (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) {
- if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC ||
- mac->opmode == NL80211_IFTYPE_MESH_POINT) {
- if (!(sta->vht_cap.vht_supported))
- return;
- } else if (mac->opmode == NL80211_IFTYPE_STATION) {
- if (!mac->bw_80 ||
- !(sta->vht_cap.vht_supported))
- return;
- }
- if (tcb_desc->hw_rate <=
- rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
- return;
- tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
- }
-}
-
-static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &rtlpriv->phy;
- u8 hw_rate;
- u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
-
- if ((get_rf_type(rtlphy) == RF_2T2R) &&
- (tx_mcs_map & 0x000c) != 0x000c) {
- if ((tx_mcs_map & 0x000c) >> 2 ==
- IEEE80211_VHT_MCS_SUPPORT_0_7)
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
- else if ((tx_mcs_map & 0x000c) >> 2 ==
- IEEE80211_VHT_MCS_SUPPORT_0_8)
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
- else
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
- } else {
- if ((tx_mcs_map & 0x0003) ==
- IEEE80211_VHT_MCS_SUPPORT_0_7)
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
- else if ((tx_mcs_map & 0x0003) ==
- IEEE80211_VHT_MCS_SUPPORT_0_8)
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
- else
- hw_rate =
- rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
- }
-
- return hw_rate;
-}
-
-static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &rtlpriv->phy;
- u8 hw_rate;
-
- if (get_rf_type(rtlphy) == RF_2T2R &&
- sta->ht_cap.mcs.rx_mask[1] != 0)
- hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
- else
- hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
-
- return hw_rate;
-}
-
-/* mac80211's rate_idx is like this:
- *
- * 2.4G band:rx_status->band == NL80211_BAND_2GHZ
- *
- * B/G rate:
- * (rx_status->flag & RX_FLAG_HT) = 0,
- * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
- *
- * N rate:
- * (rx_status->flag & RX_FLAG_HT) = 1,
- * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
- *
- * 5G band:rx_status->band == NL80211_BAND_5GHZ
- * A rate:
- * (rx_status->flag & RX_FLAG_HT) = 0,
- * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
- *
- * N rate:
- * (rx_status->flag & RX_FLAG_HT) = 1,
- * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
- *
- * VHT rates:
- * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
- * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
- */
-int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
- u8 desc_rate)
-{
- int rate_idx;
-
- if (isvht) {
- switch (desc_rate) {
- case DESC_RATEVHT1SS_MCS0:
- rate_idx = 0;
- break;
- case DESC_RATEVHT1SS_MCS1:
- rate_idx = 1;
- break;
- case DESC_RATEVHT1SS_MCS2:
- rate_idx = 2;
- break;
- case DESC_RATEVHT1SS_MCS3:
- rate_idx = 3;
- break;
- case DESC_RATEVHT1SS_MCS4:
- rate_idx = 4;
- break;
- case DESC_RATEVHT1SS_MCS5:
- rate_idx = 5;
- break;
- case DESC_RATEVHT1SS_MCS6:
- rate_idx = 6;
- break;
- case DESC_RATEVHT1SS_MCS7:
- rate_idx = 7;
- break;
- case DESC_RATEVHT1SS_MCS8:
- rate_idx = 8;
- break;
- case DESC_RATEVHT1SS_MCS9:
- rate_idx = 9;
- break;
- case DESC_RATEVHT2SS_MCS0:
- rate_idx = 0;
- break;
- case DESC_RATEVHT2SS_MCS1:
- rate_idx = 1;
- break;
- case DESC_RATEVHT2SS_MCS2:
- rate_idx = 2;
- break;
- case DESC_RATEVHT2SS_MCS3:
- rate_idx = 3;
- break;
- case DESC_RATEVHT2SS_MCS4:
- rate_idx = 4;
- break;
- case DESC_RATEVHT2SS_MCS5:
- rate_idx = 5;
- break;
- case DESC_RATEVHT2SS_MCS6:
- rate_idx = 6;
- break;
- case DESC_RATEVHT2SS_MCS7:
- rate_idx = 7;
- break;
- case DESC_RATEVHT2SS_MCS8:
- rate_idx = 8;
- break;
- case DESC_RATEVHT2SS_MCS9:
- rate_idx = 9;
- break;
- default:
- rate_idx = 0;
- break;
- }
- return rate_idx;
- }
- if (!isht) {
- if (hw->conf.chandef.chan->band == NL80211_BAND_2GHZ) {
- switch (desc_rate) {
- case DESC_RATE1M:
- rate_idx = 0;
- break;
- case DESC_RATE2M:
- rate_idx = 1;
- break;
- case DESC_RATE5_5M:
- rate_idx = 2;
- break;
- case DESC_RATE11M:
- rate_idx = 3;
- break;
- case DESC_RATE6M:
- rate_idx = 4;
- break;
- case DESC_RATE9M:
- rate_idx = 5;
- break;
- case DESC_RATE12M:
- rate_idx = 6;
- break;
- case DESC_RATE18M:
- rate_idx = 7;
- break;
- case DESC_RATE24M:
- rate_idx = 8;
- break;
- case DESC_RATE36M:
- rate_idx = 9;
- break;
- case DESC_RATE48M:
- rate_idx = 10;
- break;
- case DESC_RATE54M:
- rate_idx = 11;
- break;
- default:
- rate_idx = 0;
- break;
- }
- } else {
- switch (desc_rate) {
- case DESC_RATE6M:
- rate_idx = 0;
- break;
- case DESC_RATE9M:
- rate_idx = 1;
- break;
- case DESC_RATE12M:
- rate_idx = 2;
- break;
- case DESC_RATE18M:
- rate_idx = 3;
- break;
- case DESC_RATE24M:
- rate_idx = 4;
- break;
- case DESC_RATE36M:
- rate_idx = 5;
- break;
- case DESC_RATE48M:
- rate_idx = 6;
- break;
- case DESC_RATE54M:
- rate_idx = 7;
- break;
- default:
- rate_idx = 0;
- break;
- }
- }
- } else {
- switch (desc_rate) {
- case DESC_RATEMCS0:
- rate_idx = 0;
- break;
- case DESC_RATEMCS1:
- rate_idx = 1;
- break;
- case DESC_RATEMCS2:
- rate_idx = 2;
- break;
- case DESC_RATEMCS3:
- rate_idx = 3;
- break;
- case DESC_RATEMCS4:
- rate_idx = 4;
- break;
- case DESC_RATEMCS5:
- rate_idx = 5;
- break;
- case DESC_RATEMCS6:
- rate_idx = 6;
- break;
- case DESC_RATEMCS7:
- rate_idx = 7;
- break;
- case DESC_RATEMCS8:
- rate_idx = 8;
- break;
- case DESC_RATEMCS9:
- rate_idx = 9;
- break;
- case DESC_RATEMCS10:
- rate_idx = 10;
- break;
- case DESC_RATEMCS11:
- rate_idx = 11;
- break;
- case DESC_RATEMCS12:
- rate_idx = 12;
- break;
- case DESC_RATEMCS13:
- rate_idx = 13;
- break;
- case DESC_RATEMCS14:
- rate_idx = 14;
- break;
- case DESC_RATEMCS15:
- rate_idx = 15;
- break;
- default:
- rate_idx = 0;
- break;
- }
- }
- return rate_idx;
-}
-
-static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
- struct ieee80211_tx_info *info)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_tx_rate *r = &info->status.rates[0];
- struct ieee80211_rate *txrate;
- u8 hw_value = 0x0;
-
- if (r->flags & IEEE80211_TX_RC_MCS) {
- /* HT MCS0-15 */
- hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
- r->idx;
- } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
- /* VHT MCS0-9, NSS */
- if (ieee80211_rate_get_vht_nss(r) == 2)
- hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
- else
- hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
-
- hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
- } else {
- /* legacy */
- txrate = ieee80211_get_tx_rate(hw, info);
-
- if (txrate)
- hw_value = txrate->hw_value;
- }
-
- /* check 5G band */
- if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
- hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
- hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
-
- return hw_value;
-}
-
-void rtl_get_tcb_desc(struct ieee80211_hw *hw,
- struct ieee80211_tx_info *info,
- struct ieee80211_sta *sta,
- struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
- struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
- struct rtl_sta_info *sta_entry =
- (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
-
- __le16 fc = rtl_get_fc(skb);
-
- tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
-
- if (rtl_is_tx_report_skb(hw, skb))
- tcb_desc->use_spe_rpt = 1;
-
- if (!ieee80211_is_data(fc)) {
- tcb_desc->use_driver_rate = true;
- tcb_desc->ratr_index = _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_MC);
- tcb_desc->disable_ratefallback = 1;
- tcb_desc->mac_id = 0;
- tcb_desc->packet_bw = false;
-
- return;
- }
-
- /*
- * We set data rate INX 0
- * in rtl_rc.c if skb is special data or
- * mgt which need low data rate.
- */
-
- /*
- * So tcb_desc->hw_rate is just used for
- * special data and mgt frames
- */
- if (info->control.rates[0].idx == 0 || ieee80211_is_nullfunc(fc)) {
- tcb_desc->use_driver_rate = true;
- tcb_desc->ratr_index = _rtl_rate_id(hw, sta_entry,
- RATR_INX_WIRELESS_MC);
-
- tcb_desc->disable_ratefallback = 1;
- } else if (sta && sta->vht_cap.vht_supported) {
- /*
- * Because hw will never use hw_rate
- * when tcb_desc->use_driver_rate = false
- * so we never set highest N rate here,
- * and N rate will all be controlled by FW
- * when tcb_desc->use_driver_rate = false
- */
- tcb_desc->hw_rate = _rtl_get_vht_highest_n_rate(hw, sta);
- } else if (sta && sta->ht_cap.ht_supported) {
- tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
- } else {
- enum rtl_var_map var = RTL_RC_OFDM_RATE54M;
-
- if (rtlmac->mode == WIRELESS_MODE_B)
- var = RTL_RC_CCK_RATE11M;
-
- tcb_desc->hw_rate = rtlpriv->cfg->maps[var];
- }
-
- if (is_multicast_ether_addr(hdr->addr1))
- tcb_desc->multicast = 1;
- else if (is_broadcast_ether_addr(hdr->addr1))
- tcb_desc->broadcast = 1;
-
- _rtl_txrate_selectmode(hw, sta, tcb_desc);
- _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
- _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
- _rtl_query_shortgi(hw, sta, tcb_desc, info);
- _rtl_query_protection_mode(hw, tcb_desc, info);
-}
-
-bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- __le16 fc = rtl_get_fc(skb);
-
- if (rtlpriv->dm.supp_phymode_switch &&
- mac->link_state < MAC80211_LINKED &&
- (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
- if (rtlpriv->cfg->ops->chk_switch_dmdp)
- rtlpriv->cfg->ops->chk_switch_dmdp(hw);
- }
- if (ieee80211_is_auth(fc)) {
- RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
-
- mac->link_state = MAC80211_LINKING;
- /* Dul mac */
- rtlpriv->phy.need_iqk = true;
- }
- return true;
-}
-
-struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
- u8 *bssid, u16 tid);
-
-static void process_agg_start(struct ieee80211_hw *hw,
- struct ieee80211_hdr *hdr, u16 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_rx_status rx_status = { 0 };
- struct sk_buff *skb_delba = NULL;
-
- skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
- if (skb_delba) {
- rx_status.freq = hw->conf.chandef.chan->center_freq;
- rx_status.band = hw->conf.chandef.chan->band;
- rx_status.flag |= RX_FLAG_DECRYPTED;
- rx_status.flag |= RX_FLAG_MACTIME_START;
- rx_status.rate_idx = 0;
- rx_status.signal = 50 + 10;
- memcpy(IEEE80211_SKB_RXCB(skb_delba),
- &rx_status, sizeof(rx_status));
- RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
- "fake del\n",
- skb_delba->data,
- skb_delba->len);
- ieee80211_rx_irqsafe(hw, skb_delba);
- }
-}
-
-bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
-{
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- __le16 fc = rtl_get_fc(skb);
- u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
- u8 category;
-
- if (!ieee80211_is_action(fc))
- return true;
-
- category = *act;
- act++;
- switch (category) {
- case ACT_CAT_BA:
- switch (*act) {
- case ACT_ADDBAREQ:
- if (mac->act_scanning)
- return false;
-
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
- "%s ACT_ADDBAREQ From :%pM\n",
- is_tx ? "Tx" : "Rx", hdr->addr2);
- RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
- skb->data, skb->len);
- if (!is_tx) {
- struct ieee80211_sta *sta = NULL;
- struct rtl_sta_info *sta_entry = NULL;
- struct rtl_tid_data *tid_data;
- struct ieee80211_mgmt *mgmt = (void *)skb->data;
- u16 capab = 0, tid = 0;
-
- rcu_read_lock();
- sta = rtl_find_sta(hw, hdr->addr3);
- if (!sta) {
- RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
- DBG_DMESG, "sta is NULL\n");
- rcu_read_unlock();
- return true;
- }
-
- sta_entry =
- (struct rtl_sta_info *)sta->drv_priv;
- if (!sta_entry) {
- rcu_read_unlock();
- return true;
- }
- capab =
- le16_to_cpu(mgmt->u.action.u.addba_req.capab);
- tid = (capab &
- IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
- if (tid >= MAX_TID_COUNT) {
- rcu_read_unlock();
- return true;
- }
- tid_data = &sta_entry->tids[tid];
- if (tid_data->agg.rx_agg_state ==
- RTL_RX_AGG_START)
- process_agg_start(hw, hdr, tid);
- rcu_read_unlock();
- }
- break;
- case ACT_ADDBARSP:
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
- "%s ACT_ADDBARSP From :%pM\n",
- is_tx ? "Tx" : "Rx", hdr->addr2);
- break;
- case ACT_DELBA:
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
- "ACT_ADDBADEL From :%pM\n", hdr->addr2);
- break;
- }
- break;
- default:
- break;
- }
-
- return true;
-}
-
-static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
- int type)
-{
- struct ieee80211_hw *hw = rtlpriv->hw;
-
- rtlpriv->ra.is_special_data = true;
- if (rtlpriv->cfg->ops->get_btc_status())
- rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(rtlpriv,
- type);
- rtl_lps_leave(hw);
- ppsc->last_delaylps_stamp_jiffies = jiffies;
-}
-
-static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
- struct sk_buff *skb, bool is_enc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
- u8 encrypt_header_len = 0;
- u8 offset;
-
- switch (rtlpriv->sec.pairwise_enc_algorithm) {
- case WEP40_ENCRYPTION:
- case WEP104_ENCRYPTION:
- encrypt_header_len = 4;/*WEP_IV_LEN*/
- break;
- case TKIP_ENCRYPTION:
- encrypt_header_len = 8;/*TKIP_IV_LEN*/
- break;
- case AESCCMP_ENCRYPTION:
- encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
- break;
- default:
- break;
- }
-
- offset = mac_hdr_len + SNAP_SIZE;
- if (is_enc)
- offset += encrypt_header_len;
-
- return skb->data + offset;
-}
-
-/*should call before software enc*/
-u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
- bool is_enc)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- __le16 fc = rtl_get_fc(skb);
- u16 ether_type;
- const u8 *ether_type_ptr;
- const struct iphdr *ip;
-
- if (!ieee80211_is_data(fc))
- goto end;
-
- ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
- ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
-
- if (ether_type == ETH_P_IP) {
- ip = (struct iphdr *)((u8 *)ether_type_ptr +
- PROTOC_TYPE_SIZE);
- if (ip->protocol == IPPROTO_UDP) {
- struct udphdr *udp = (struct udphdr *)((u8 *)ip +
- (ip->ihl << 2));
- if (((((u8 *)udp)[1] == 68) &&
- (((u8 *)udp)[3] == 67)) ||
- ((((u8 *)udp)[1] == 67) &&
- (((u8 *)udp)[3] == 68))) {
- /* 68 : UDP BOOTP client
- * 67 : UDP BOOTP server
- */
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
- DBG_DMESG, "dhcp %s !!\n",
- (is_tx) ? "Tx" : "Rx");
-
- if (is_tx)
- setup_special_tx(rtlpriv, ppsc,
- PACKET_DHCP);
-
- return true;
- }
- }
- } else if (ether_type == ETH_P_ARP) {
- if (is_tx)
- setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
-
- return true;
- } else if (ether_type == ETH_P_PAE) {
- /* EAPOL is seen as in-4way */
- rtlpriv->btcoexist.btc_info.in_4way = true;
- rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
- rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
-
- RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
- "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
-
- if (is_tx) {
- rtlpriv->ra.is_special_data = true;
- rtl_lps_leave(hw);
- ppsc->last_delaylps_stamp_jiffies = jiffies;
-
- setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
- }
-
- return true;
- } else if (ether_type == ETH_P_IPV6) {
- /* TODO: Handle any IPv6 cases that need special handling.
- * For now, always return false
- */
- goto end;
- }
-
-end:
- rtlpriv->ra.is_special_data = false;
- return false;
-}
-
-bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- u16 ether_type;
- const u8 *ether_type_ptr;
-
- ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
- ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
-
- /* EAPOL */
- if (ether_type == ETH_P_PAE)
- return true;
-
- return false;
-}
-
-static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
- u16 sn;
-
- /*
- * SW_DEFINE[11:8] are reserved (driver fills zeros)
- * SW_DEFINE[7:2] are used by driver
- * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros)
- */
- sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
-
- tx_report->last_sent_sn = sn;
- tx_report->last_sent_time = jiffies;
-
- RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
- "Send TX-Report sn=0x%X\n", sn);
-
- return sn;
-}
-
-void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
- struct ieee80211_hw *hw)
-{
- if (ptcb_desc->use_spe_rpt) {
- u16 sn = rtl_get_tx_report_sn(hw);
-
- SET_TX_DESC_SPE_RPT(pdesc, 1);
- SET_TX_DESC_SW_DEFINE(pdesc, sn);
- }
-}
-
-void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
- u16 sn;
- u8 st, retry;
-
- if (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_FW_C2H) {
- sn = tmp_buf[6];
- st = tmp_buf[7] & 0xC0;
- retry = tmp_buf[8] & 0x3F;
- } else {
- sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6];
- st = tmp_buf[0] & 0xC0;
- retry = tmp_buf[2] & 0x3F;
- }
-
- tx_report->last_recv_sn = sn;
-
- RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
- "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
- st, sn, retry);
-}
-
-bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
-
- if (tx_report->last_sent_sn == tx_report->last_recv_sn)
- return true;
-
- if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
- RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
- "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
- tx_report->last_sent_sn, tx_report->last_recv_sn);
- return true; /* 3 sec. (timeout) seen as acked */
- }
-
- return false;
-}
-
-void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- int i;
-
- for (i = 0; i < wait_ms; i++) {
- if (rtl_check_tx_report_acked(hw))
- break;
- usleep_range(1000, 2000);
- RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
- "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
- }
-}
-
-u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum wireless_mode wirelessmode,
- struct ieee80211_tx_queue_params *param)
-{
- u32 reg = 0;
- u8 sifstime = 10;
- u8 slottime = 20;
-
- /* AIFS = AIFSN * slot time + SIFS */
- switch (wirelessmode) {
- case WIRELESS_MODE_A:
- case WIRELESS_MODE_N_24G:
- case WIRELESS_MODE_N_5G:
- case WIRELESS_MODE_AC_5G:
- case WIRELESS_MODE_AC_24G:
- sifstime = 16;
- slottime = 9;
- break;
- case WIRELESS_MODE_G:
- slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
- break;
- default:
- break;
- }
-
- reg |= (param->txop & 0x7FF) << 16;
- reg |= (fls(param->cw_max) & 0xF) << 12;
- reg |= (fls(param->cw_min) & 0xF) << 8;
- reg |= (param->aifs & 0x0F) * slottime + sifstime;
-
- return reg;
-}
-
-/*********************************************************
- *
- * functions called by core.c
- *
- *********************************************************/
-int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tid_data *tid_data;
- struct rtl_sta_info *sta_entry = NULL;
-
- if (!sta)
- return -EINVAL;
-
- if (unlikely(tid >= MAX_TID_COUNT))
- return -EINVAL;
-
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- if (!sta_entry)
- return -ENXIO;
- tid_data = &sta_entry->tids[tid];
-
- RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
- "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
- tid_data->seq_number);
-
- *ssn = tid_data->seq_number;
- tid_data->agg.agg_state = RTL_AGG_START;
-
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- return 0;
-}
-
-int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta, u16 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tid_data *tid_data;
- struct rtl_sta_info *sta_entry = NULL;
-
- if (!sta)
- return -EINVAL;
-
- RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
- "on ra = %pM tid = %d\n", sta->addr, tid);
-
- if (unlikely(tid >= MAX_TID_COUNT))
- return -EINVAL;
-
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- tid_data = &sta_entry->tids[tid];
- sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
-
- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- return 0;
-}
-
-int rtl_rx_agg_start(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta, u16 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_tid_data *tid_data;
- struct rtl_sta_info *sta_entry = NULL;
- u8 reject_agg;
-
- if (!sta)
- return -EINVAL;
-
- if (unlikely(tid >= MAX_TID_COUNT))
- return -EINVAL;
-
- if (rtlpriv->cfg->ops->get_btc_status()) {
- rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
- &reject_agg,
- NULL, NULL);
- if (reject_agg)
- return -EINVAL;
- }
-
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- if (!sta_entry)
- return -ENXIO;
- tid_data = &sta_entry->tids[tid];
-
- RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
- "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
- tid_data->seq_number);
-
- tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
- return 0;
-}
-
-int rtl_rx_agg_stop(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta, u16 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_sta_info *sta_entry = NULL;
-
- if (!sta)
- return -EINVAL;
-
- RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
- "on ra = %pM tid = %d\n", sta->addr, tid);
-
- if (unlikely(tid >= MAX_TID_COUNT))
- return -EINVAL;
-
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
-
- return 0;
-}
-
-int rtl_tx_agg_oper(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta, u16 tid)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_sta_info *sta_entry = NULL;
-
- if (!sta)
- return -EINVAL;
-
- RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
- "on ra = %pM tid = %d\n", sta->addr, tid);
-
- if (unlikely(tid >= MAX_TID_COUNT))
- return -EINVAL;
-
- sta_entry = (struct rtl_sta_info *)sta->drv_priv;
- sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
-
- return 0;
-}
-
-void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
-{
- struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
- u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
-
- if (rtlpriv->cfg->ops->get_btc_status())
- btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
- &ctrl_agg_size, &agg_size);
-
- RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
- "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
- reject_agg, ctrl_agg_size, agg_size);
-
- rtlpriv->hw->max_rx_aggregation_subframes =
- (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT);
-}
-
-/*********************************************************
- *
- * wq & timer callback functions
- *
- *********************************************************/
-/* this function is used for roaming */
-void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
- if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
- return;
-
- if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
- return;
-
- /* check if this really is a beacon */
- if (!ieee80211_is_beacon(hdr->frame_control) &&
- !ieee80211_is_probe_resp(hdr->frame_control))
- return;
-
- /* min. beacon length + FCS_LEN */
- if (skb->len <= 40 + FCS_LEN)
- return;
-
- /* and only beacons from the associated BSSID, please */
- if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
- return;
-
- rtlpriv->link_info.bcn_rx_inperiod++;
-}
-
-static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_bssid_entry *entry, *next;
-
- list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
- list_del(&entry->list);
- kfree(entry);
- rtlpriv->scan_list.num--;
- }
-}
-
-void rtl_scan_list_expire(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_bssid_entry *entry, *next;
- unsigned long flags;
-
- spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
-
- list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
- /* 180 seconds */
- if (jiffies_to_msecs(jiffies - entry->age) < 180000)
- continue;
-
- list_del(&entry->list);
- rtlpriv->scan_list.num--;
-
- RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
- "BSSID=%pM is expire in scan list (total=%d)\n",
- entry->bssid, rtlpriv->scan_list.num);
- kfree(entry);
- }
-
- spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
-
- rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
-}
-
-void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- unsigned long flags;
-
- struct rtl_bssid_entry *entry;
- bool entry_found = false;
-
- /* check if it is scanning */
- if (!mac->act_scanning)
- return;
-
- /* check if this really is a beacon */
- if (!ieee80211_is_beacon(hdr->frame_control) &&
- !ieee80211_is_probe_resp(hdr->frame_control))
- return;
-
- spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
-
- list_for_each_entry(entry, &rtlpriv->scan_list.list, list) {
- if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) {
- list_del_init(&entry->list);
- entry_found = true;
- RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
- "Update BSSID=%pM to scan list (total=%d)\n",
- hdr->addr3, rtlpriv->scan_list.num);
- break;
- }
- }
-
- if (!entry_found) {
- entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
-
- if (!entry)
- goto label_err;
-
- memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
- rtlpriv->scan_list.num++;
-
- RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
- "Add BSSID=%pM to scan list (total=%d)\n",
- hdr->addr3, rtlpriv->scan_list.num);
- }
-
- entry->age = jiffies;
-
- list_add_tail(&entry->list, &rtlpriv->scan_list.list);
-
-label_err:
- spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
-}
-
-void rtl_watchdog_wq_callback(void *data)
-{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- watchdog_wq);
- struct ieee80211_hw *hw = rtlworks->hw;
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- bool busytraffic = false;
- bool tx_busy_traffic = false;
- bool rx_busy_traffic = false;
- bool higher_busytraffic = false;
- bool higher_busyrxtraffic = false;
- u8 idx, tid;
- u32 rx_cnt_inp4eriod = 0;
- u32 tx_cnt_inp4eriod = 0;
- u32 aver_rx_cnt_inperiod = 0;
- u32 aver_tx_cnt_inperiod = 0;
- u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
- u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
-
- if (is_hal_stop(rtlhal))
- return;
-
- /* <1> Determine if action frame is allowed */
- if (mac->link_state > MAC80211_NOLINK) {
- if (mac->cnt_after_linked < 20)
- mac->cnt_after_linked++;
- } else {
- mac->cnt_after_linked = 0;
- }
-
- /* <2> to check if traffic busy, if
- * busytraffic we don't change channel
- */
- if (mac->link_state >= MAC80211_LINKED) {
- /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
- for (idx = 0; idx <= 2; idx++) {
- rtlpriv->link_info.num_rx_in4period[idx] =
- rtlpriv->link_info.num_rx_in4period[idx + 1];
- rtlpriv->link_info.num_tx_in4period[idx] =
- rtlpriv->link_info.num_tx_in4period[idx + 1];
- }
- rtlpriv->link_info.num_rx_in4period[3] =
- rtlpriv->link_info.num_rx_inperiod;
- rtlpriv->link_info.num_tx_in4period[3] =
- rtlpriv->link_info.num_tx_inperiod;
- for (idx = 0; idx <= 3; idx++) {
- rx_cnt_inp4eriod +=
- rtlpriv->link_info.num_rx_in4period[idx];
- tx_cnt_inp4eriod +=
- rtlpriv->link_info.num_tx_in4period[idx];
- }
- aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
- aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
-
- /* (2) check traffic busy */
- if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
- busytraffic = true;
- if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
- rx_busy_traffic = true;
- else
- tx_busy_traffic = false;
- }
-
- /* Higher Tx/Rx data. */
- if (aver_rx_cnt_inperiod > 4000 ||
- aver_tx_cnt_inperiod > 4000) {
- higher_busytraffic = true;
-
- /* Extremely high Rx data. */
- if (aver_rx_cnt_inperiod > 5000)
- higher_busyrxtraffic = true;
- }
-
- /* check every tid's tx traffic */
- for (tid = 0; tid <= 7; tid++) {
- for (idx = 0; idx <= 2; idx++)
- rtlpriv->link_info.tidtx_in4period[tid][idx] =
- rtlpriv->link_info.tidtx_in4period[tid]
- [idx + 1];
- rtlpriv->link_info.tidtx_in4period[tid][3] =
- rtlpriv->link_info.tidtx_inperiod[tid];
-
- for (idx = 0; idx <= 3; idx++)
- tidtx_inp4eriod[tid] +=
- rtlpriv->link_info.tidtx_in4period[tid][idx];
- aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
- if (aver_tidtx_inperiod[tid] > 5000)
- rtlpriv->link_info.higher_busytxtraffic[tid] =
- true;
- else
- rtlpriv->link_info.higher_busytxtraffic[tid] =
- false;
- }
-
- /* PS is controlled by coex. */
- if (rtlpriv->cfg->ops->get_btc_status() &&
- rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
- goto label_lps_done;
-
- if (rtlpriv->link_info.num_rx_inperiod +
- rtlpriv->link_info.num_tx_inperiod > 8 ||
- rtlpriv->link_info.num_rx_inperiod > 2)
- rtl_lps_leave(hw);
- else
- rtl_lps_enter(hw);
-
-label_lps_done:
- ;
- }
-
- rtlpriv->link_info.num_rx_inperiod = 0;
- rtlpriv->link_info.num_tx_inperiod = 0;
- for (tid = 0; tid <= 7; tid++)
- rtlpriv->link_info.tidtx_inperiod[tid] = 0;
-
- rtlpriv->link_info.busytraffic = busytraffic;
- rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
- rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
- rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
- rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
-
- rtlpriv->stats.txbytesunicast_inperiod =
- rtlpriv->stats.txbytesunicast -
- rtlpriv->stats.txbytesunicast_last;
- rtlpriv->stats.rxbytesunicast_inperiod =
- rtlpriv->stats.rxbytesunicast -
- rtlpriv->stats.rxbytesunicast_last;
- rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
- rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
-
- rtlpriv->stats.txbytesunicast_inperiod_tp =
- (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
- 1024 / 1024);
- rtlpriv->stats.rxbytesunicast_inperiod_tp =
- (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
- 1024 / 1024);
-
- /* <3> DM */
- if (!rtlpriv->cfg->mod_params->disable_watchdog)
- rtlpriv->cfg->ops->dm_watchdog(hw);
-
- /* <4> roaming */
- if (mac->link_state == MAC80211_LINKED &&
- mac->opmode == NL80211_IFTYPE_STATION) {
- if ((rtlpriv->link_info.bcn_rx_inperiod +
- rtlpriv->link_info.num_rx_inperiod) == 0) {
- rtlpriv->link_info.roam_times++;
- RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
- "AP off for %d s\n",
- (rtlpriv->link_info.roam_times * 2));
-
- /* if we can't recv beacon for 10s,
- * we should reconnect this AP
- */
- if (rtlpriv->link_info.roam_times >= 5) {
- pr_err("AP off, try to reconnect now\n");
- rtlpriv->link_info.roam_times = 0;
- ieee80211_connection_loss(rtlpriv->mac80211.vif);
- }
- } else {
- rtlpriv->link_info.roam_times = 0;
- }
- }
-
- if (rtlpriv->cfg->ops->get_btc_status())
- rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
-
- if (rtlpriv->btcoexist.btc_info.in_4way) {
- if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
- msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
- rtlpriv->btcoexist.btc_info.in_4way = false;
- }
-
- rtlpriv->link_info.bcn_rx_inperiod = 0;
-
- /* <6> scan list */
- rtl_scan_list_expire(hw);
-}
-
-void rtl_watch_dog_timer_callback(struct timer_list *t)
-{
- struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
-
- queue_delayed_work(rtlpriv->works.rtl_wq,
- &rtlpriv->works.watchdog_wq, 0);
-
- mod_timer(&rtlpriv->works.watchdog_timer,
- jiffies + MSECS(RTL_WATCH_DOG_TIME));
-}
-
-void rtl_fwevt_wq_callback(void *data)
-{
- struct rtl_works *rtlworks =
- container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
- struct ieee80211_hw *hw = rtlworks->hw;
- struct rtl_priv *rtlpriv = rtl_priv(hw);
-
- rtlpriv->cfg->ops->c2h_command_handle(hw);
-}
-
-void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- unsigned long flags;
- struct rtl_c2hcmd *c2hcmd;
-
- c2hcmd = kmalloc(sizeof(*c2hcmd),
- in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-
- if (!c2hcmd)
- goto label_err;
-
- c2hcmd->val = kmalloc(len,
- in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-
- if (!c2hcmd->val)
- goto label_err2;
-
- /* fill data */
- c2hcmd->tag = tag;
- c2hcmd->len = len;
- memcpy(c2hcmd->val, val, len);
-
- /* enqueue */
- spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
-
- list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list);
-
- spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
-
- /* wake up wq */
- queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
-
- return;
-
-label_err2:
- kfree(c2hcmd);
-
-label_err:
- RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING,
- "C2H cmd enqueue fail.\n");
-}
-
-void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- unsigned long flags;
- struct rtl_c2hcmd *c2hcmd;
- int i;
-
- for (i = 0; i < 200; i++) {
- /* dequeue a task */
- spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
-
- c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list,
- struct rtl_c2hcmd, list);
-
- if (c2hcmd)
- list_del(&c2hcmd->list);
-
- spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
-
- /* do it */
- if (!c2hcmd)
- break;
-
- if (rtlpriv->cfg->ops->c2h_content_parsing && exec)
- rtlpriv->cfg->ops->c2h_content_parsing(hw,
- c2hcmd->tag, c2hcmd->len, c2hcmd->val);
-
- /* free */
- kfree(c2hcmd->val);
-
- kfree(c2hcmd);
- }
-}
-
-void rtl_c2hcmd_wq_callback(void *data)
-{
- struct rtl_works *rtlworks = container_of_dwork_rtl(data,
- struct rtl_works,
- c2hcmd_wq);
- struct ieee80211_hw *hw = rtlworks->hw;
-
- rtl_c2hcmd_launcher(hw, 1);
-}
-
-void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t)
-{
- struct rtl_priv *rtlpriv =
- from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer);
- struct ieee80211_hw *hw = rtlpriv->hw;
- struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
-
- if (!buddy_priv)
- return;
-
- rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
-}
-
-/*********************************************************
- *
- * frame process functions
- *
- *********************************************************/
-u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
-{
- struct ieee80211_mgmt *mgmt = (void *)data;
- u8 *pos, *end;
-
- pos = (u8 *)mgmt->u.beacon.variable;
- end = data + len;
- while (pos < end) {
- if (pos + 2 + pos[1] > end)
- return NULL;
-
- if (pos[0] == ie)
- return pos;
-
- pos += 2 + pos[1];
- }
- return NULL;
-}
-
-/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
-/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
-static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
- enum ieee80211_smps_mode smps,
- u8 *da, u8 *bssid)
-{
- struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
- struct sk_buff *skb;
- struct ieee80211_mgmt *action_frame;
-
- /* 27 = header + category + action + smps mode */
- skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
- if (!skb)
- return NULL;
-
- skb_reserve(skb, hw->extra_tx_headroom);
- action_frame = skb_put_zero(skb, 27);
- memcpy(action_frame->da, da, ETH_ALEN);
- memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
- memcpy(action_frame->bssid, bssid, ETH_ALEN);
- action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ACTION);
- action_frame->u.action.category = WLAN_CATEGORY_HT;
- action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
- switch (smps) {
- case IEEE80211_SMPS_AUTOMATIC:/* 0 */
- case IEEE80211_SMPS_NUM_MODES:/* 4 */
- WARN_ON(1);
- /* fall through */
- case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
- action_frame->u.action.u.ht_smps.smps_control =
- WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
- break;
- case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
- action_frame->u.action.u.ht_smps.smps_control =
- WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
- break;
- case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
- action_frame->u.action.u.ht_smps.smps_control =
- WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
- break;
- }
-
- return skb;
-}
-
-int rtl_send_smps_action(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- enum ieee80211_smps_mode smps)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- struct sk_buff *skb = NULL;
- struct rtl_tcb_desc tcb_desc;
- u8 bssid[ETH_ALEN] = {0};
-
- memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
-
- if (rtlpriv->mac80211.act_scanning)
- goto err_free;
-
- if (!sta)
- goto err_free;
-
- if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
- goto err_free;
-
- if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
- goto err_free;
-
- if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
- memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
- else
- memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
-
- skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
- /* this is a type = mgmt * stype = action frame */
- if (skb) {
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct rtl_sta_info *sta_entry =
- (struct rtl_sta_info *)sta->drv_priv;
- sta_entry->mimo_ps = smps;
- /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */
-
- info->control.rates[0].idx = 0;
- info->band = hw->conf.chandef.chan->band;
- rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
- }
- return 1;
-
-err_free:
- return 0;
-}
-
-void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- enum io_type iotype;
-
- if (!is_hal_stop(rtlhal)) {
- switch (operation) {
- case SCAN_OPT_BACKUP:
- iotype = IO_CMD_PAUSE_DM_BY_SCAN;
- rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_IO_CMD,
- (u8 *)&iotype);
- break;
- case SCAN_OPT_RESTORE:
- iotype = IO_CMD_RESUME_DM_BY_SCAN;
- rtlpriv->cfg->ops->set_hw_reg(hw,
- HW_VAR_IO_CMD,
- (u8 *)&iotype);
- break;
- default:
- pr_err("Unknown Scan Backup operation.\n");
- break;
- }
- }
-}
-
-/* because mac80211 have issues when can receive del ba
- * so here we just make a fake del_ba if we receive a ba_req
- * but rx_agg was opened to let mac80211 release some ba
- * related resources, so please this del_ba for tx
- */
-struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
- u8 *sa, u8 *bssid, u16 tid)
-{
- struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
- struct sk_buff *skb;
- struct ieee80211_mgmt *action_frame;
- u16 params;
-
- /* 27 = header + category + action + smps mode */
- skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
- if (!skb)
- return NULL;
-
- skb_reserve(skb, hw->extra_tx_headroom);
- action_frame = skb_put_zero(skb, 34);
- memcpy(action_frame->sa, sa, ETH_ALEN);
- memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
- memcpy(action_frame->bssid, bssid, ETH_ALEN);
- action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ACTION);
- action_frame->u.action.category = WLAN_CATEGORY_BACK;
- action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
- params = (u16)(1 << 11); /* bit 11 initiator */
- params |= (u16)(tid << 12); /* bit 15:12 TID number */
-
- action_frame->u.action.u.delba.params = cpu_to_le16(params);
- action_frame->u.action.u.delba.reason_code =
- cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
-
- return skb;
-}
-
-bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, unsigned int len)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct rtl_phy *rtlphy = &rtlpriv->phy;
- struct ieee80211_hdr *hdr = data;
- struct ieee80211_ht_cap *ht_cap_ie;
- struct ieee80211_ht_operation *ht_oper_ie = NULL;
- struct rtl_beacon_keys bcn_key = {};
- struct rtl_beacon_keys *cur_bcn_key;
- u8 *ht_cap;
- u8 ht_cap_len;
- u8 *ht_oper;
- u8 ht_oper_len;
- u8 *ds_param;
- u8 ds_param_len;
-
- if (mac->opmode != NL80211_IFTYPE_STATION)
- return false;
-
- /* check if this really is a beacon*/
- if (!ieee80211_is_beacon(hdr->frame_control))
- return false;
-
- /* min. beacon length + FCS_LEN */
- if (len <= 40 + FCS_LEN)
- return false;
-
- cur_bcn_key = &mac->cur_beacon_keys;
-
- if (rtlpriv->mac80211.link_state == MAC80211_NOLINK) {
- if (cur_bcn_key->valid) {
- cur_bcn_key->valid = false;
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
- "Reset cur_beacon_keys.valid to false!\n");
- }
- return false;
- }
-
- /* and only beacons from the associated BSSID, please */
- if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
- return false;
-
- /***** Parsing DS Param IE ******/
- ds_param = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_DS_PARAMS);
-
- if (ds_param && !(ds_param[1] < sizeof(*ds_param))) {
- ds_param_len = ds_param[1];
- bcn_key.bcn_channel = ds_param[2];
- } else {
- ds_param = NULL;
- }
-
- /***** Parsing HT Cap. IE ******/
- ht_cap = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_CAPABILITY);
-
- if (ht_cap && !(ht_cap[1] < sizeof(*ht_cap))) {
- ht_cap_len = ht_cap[1];
- ht_cap_ie = (struct ieee80211_ht_cap *)&ht_cap[2];
- bcn_key.ht_cap_info = ht_cap_ie->cap_info;
- } else {
- ht_cap = NULL;
- }
-
- /***** Parsing HT Info. IE ******/
- ht_oper = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_OPERATION);
-
- if (ht_oper && !(ht_oper[1] < sizeof(*ht_oper))) {
- ht_oper_len = ht_oper[1];
- ht_oper_ie = (struct ieee80211_ht_operation *)&ht_oper[2];
- } else {
- ht_oper = NULL;
- }
-
- /* update bcn_key */
-
- if (!ds_param && ht_oper && ht_oper_ie)
- bcn_key.bcn_channel = ht_oper_ie->primary_chan;
-
- if (ht_oper && ht_oper_ie)
- bcn_key.ht_info_infos_0_sco = ht_oper_ie->ht_param & 0x03;
-
- bcn_key.valid = true;
-
- /* update cur_beacon_keys or compare beacon key */
- if (rtlpriv->mac80211.link_state != MAC80211_LINKED &&
- rtlpriv->mac80211.link_state != MAC80211_LINKED_SCANNING)
- return true;
-
- if (!cur_bcn_key->valid) {
- /* update cur_beacon_keys */
- memcpy(cur_bcn_key, &bcn_key, sizeof(bcn_key));
- cur_bcn_key->valid = true;
-
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
- "Beacon key update!ch=%d, ht_cap_info=0x%x, sco=0x%x\n",
- cur_bcn_key->bcn_channel,
- cur_bcn_key->ht_cap_info,
- cur_bcn_key->ht_info_infos_0_sco);
- return true;
- }
-
- /* compare beacon key */
- if (!memcmp(cur_bcn_key, &bcn_key, sizeof(bcn_key))) {
- /* same beacon key */
- mac->new_beacon_cnt = 0;
- goto chk_exit;
- }
-
- if (cur_bcn_key->bcn_channel == bcn_key.bcn_channel &&
- cur_bcn_key->ht_cap_info == bcn_key.ht_cap_info) {
- /* Beacon HT info IE, secondary channel offset check */
- /* 40M -> 20M */
- if (cur_bcn_key->ht_info_infos_0_sco >
- bcn_key.ht_info_infos_0_sco) {
- /* Not a new beacon */
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "Beacon BW change! sco:0x%x -> 0x%x\n",
- cur_bcn_key->ht_info_infos_0_sco,
- bcn_key.ht_info_infos_0_sco);
-
- cur_bcn_key->ht_info_infos_0_sco =
- bcn_key.ht_info_infos_0_sco;
- } else {
- /* 20M -> 40M */
- if (rtlphy->max_ht_chan_bw >= HT_CHANNEL_WIDTH_20_40) {
- /* Not a new beacon */
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "Beacon BW change! sco:0x%x -> 0x%x\n",
- cur_bcn_key->ht_info_infos_0_sco,
- bcn_key.ht_info_infos_0_sco);
-
- cur_bcn_key->ht_info_infos_0_sco =
- bcn_key.ht_info_infos_0_sco;
- } else {
- mac->new_beacon_cnt++;
- }
- }
- } else {
- mac->new_beacon_cnt++;
- }
-
- if (mac->new_beacon_cnt == 1) {
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "Get new beacon.\n");
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "Cur : ch=%d, ht_cap=0x%x, sco=0x%x\n",
- cur_bcn_key->bcn_channel,
- cur_bcn_key->ht_cap_info,
- cur_bcn_key->ht_info_infos_0_sco);
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "New RX : ch=%d, ht_cap=0x%x, sco=0x%x\n",
- bcn_key.bcn_channel,
- bcn_key.ht_cap_info,
- bcn_key.ht_info_infos_0_sco);
-
- } else if (mac->new_beacon_cnt > 1) {
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "new beacon cnt: %d\n",
- mac->new_beacon_cnt);
- }
-
- if (mac->new_beacon_cnt > 3) {
- ieee80211_connection_loss(rtlpriv->mac80211.vif);
- RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
- "new beacon cnt >3, disconnect !\n");
- }
-
-chk_exit:
-
- return true;
-}
-
-/*********************************************************
- *
- * IOT functions
- *
- *********************************************************/
-static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
- struct octet_string vendor_ie)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- bool matched = false;
- static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
- static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
- static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
- static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
- static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
- static u8 racap[] = { 0x00, 0x0c, 0x43 };
- static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
- static u8 marvcap[] = { 0x00, 0x50, 0x43 };
-
- if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
- memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
- rtlpriv->mac80211.vendor = PEER_ATH;
- matched = true;
- } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
- memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
- memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
- rtlpriv->mac80211.vendor = PEER_BROAD;
- matched = true;
- } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
- rtlpriv->mac80211.vendor = PEER_RAL;
- matched = true;
- } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
- rtlpriv->mac80211.vendor = PEER_CISCO;
- matched = true;
- } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
- rtlpriv->mac80211.vendor = PEER_MARV;
- matched = true;
- }
-
- return matched;
-}
-
-static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
- unsigned int len)
-{
- struct ieee80211_mgmt *mgmt = (void *)data;
- struct octet_string vendor_ie;
- u8 *pos, *end;
-
- pos = (u8 *)mgmt->u.beacon.variable;
- end = data + len;
- while (pos < end) {
- if (pos[0] == 221) {
- vendor_ie.length = pos[1];
- vendor_ie.octet = &pos[2];
- if (rtl_chk_vendor_ouisub(hw, vendor_ie))
- return true;
- }
-
- if (pos + 2 + pos[1] > end)
- return false;
-
- pos += 2 + pos[1];
- }
- return false;
-}
-
-void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- struct ieee80211_hdr *hdr = (void *)data;
- u32 vendor = PEER_UNKNOWN;
-
- static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
- static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
- static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
- static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
- static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
- static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
- static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
- static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
- static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
- static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
- static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
- static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
- static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
- static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
- static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
- static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
-
- if (mac->opmode != NL80211_IFTYPE_STATION)
- return;
-
- if (mac->link_state == MAC80211_NOLINK) {
- mac->vendor = PEER_UNKNOWN;
- return;
- }
-
- if (mac->cnt_after_linked > 2)
- return;
-
- /* check if this really is a beacon */
- if (!ieee80211_is_beacon(hdr->frame_control))
- return;
-
- /* min. beacon length + FCS_LEN */
- if (len <= 40 + FCS_LEN)
- return;
-
- /* and only beacons from the associated BSSID, please */
- if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
- return;
-
- if (rtl_find_221_ie(hw, data, len))
- vendor = mac->vendor;
-
- if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
- (memcmp(mac->bssid, ap5_2, 3) == 0) ||
- (memcmp(mac->bssid, ap5_3, 3) == 0) ||
- (memcmp(mac->bssid, ap5_4, 3) == 0) ||
- (memcmp(mac->bssid, ap5_5, 3) == 0) ||
- (memcmp(mac->bssid, ap5_6, 3) == 0) ||
- vendor == PEER_ATH) {
- vendor = PEER_ATH;
- RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
- } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
- (memcmp(mac->bssid, ap4_5, 3) == 0) ||
- (memcmp(mac->bssid, ap4_1, 3) == 0) ||
- (memcmp(mac->bssid, ap4_2, 3) == 0) ||
- (memcmp(mac->bssid, ap4_3, 3) == 0) ||
- vendor == PEER_RAL) {
- RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
- vendor = PEER_RAL;
- } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
- vendor == PEER_CISCO) {
- vendor = PEER_CISCO;
- RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
- } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
- (memcmp(mac->bssid, ap3_2, 3) == 0) ||
- (memcmp(mac->bssid, ap3_3, 3) == 0) ||
- vendor == PEER_BROAD) {
- RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
- vendor = PEER_BROAD;
- } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
- vendor == PEER_MARV) {
- vendor = PEER_MARV;
- RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
- }
-
- mac->vendor = vendor;
-}
-
-MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
-MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
-MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
-
-struct rtl_global_var rtl_global_var = {};
-
-int rtl_core_module_init(void)
-{
- if (rtl_rate_control_register())
- pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
-
- /* add debugfs */
- rtl_debugfs_add_topdir();
-
- /* init some global vars */
- INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
- spin_lock_init(&rtl_global_var.glb_list_lock);
-
- return 0;
-}
-
-void rtl_core_module_exit(void)
-{
- /*RC*/
- rtl_rate_control_unregister();
-
- /* remove debugfs */
- rtl_debugfs_remove_topdir();
-}