--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2012 Realtek Corporation.
+ *
+ * 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * 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 = IEEE80211_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 = IEEE80211_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];
+}
+EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
+
+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[IEEE80211_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) {
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG,
+ "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) {
+ u16 mcs_map;
+
+ vht_cap->vht_supported = true;
+ vht_cap->cap =
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+ 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_3895 |
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+ 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[IEEE80211_BAND_2GHZ]);
+
+ /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
+ * to default value(1T1R) */
+ memcpy(&(rtlmac->bands[IEEE80211_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[IEEE80211_BAND_2GHZ] = sband;
+
+ /* 2: 5 G bands */
+ /* <1> use mac->bands as mem for hw->wiphy->bands */
+ sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
+
+ /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
+ * to default value(1T1R) */
+ memcpy(&(rtlmac->bands[IEEE80211_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[IEEE80211_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[IEEE80211_BAND_2GHZ]);
+
+ /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
+ * to default value(1T1R) */
+ memcpy(&(rtlmac->bands[IEEE80211_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[IEEE80211_BAND_2GHZ] = sband;
+ } else if (rtlhal->current_bandtype == BAND_ON_5G) {
+ /* <1> use mac->bands as mem for hw->wiphy->bands */
+ sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
+
+ /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
+ * to default value(1T1R) */
+ memcpy(&(rtlmac->bands[IEEE80211_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[IEEE80211_BAND_5GHZ] = sband;
+ } else {
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n",
+ rtlhal->current_bandtype);
+ }
+ }
+ /* <5> set hw caps */
+ hw->flags = IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_CONNECTION_MONITOR |
+ /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
+ IEEE80211_HW_MFP_CAPABLE |
+ IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0;
+
+ /* swlps or hwlps has been set in diff chip in init_sw_vars */
+ if (rtlpriv->psc.swctrl_lps)
+ hw->flags |= IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK |
+ /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
+ 0;
+ 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 */
+ /* TODO: define these hard code value */
+ hw->max_listen_interval = 10;
+ hw->max_rate_tries = 4;
+ /* 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 */
+ setup_timer(&rtlpriv->works.watchdog_timer,
+ rtl_watch_dog_timer_callback, (unsigned long)hw);
+ setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
+ rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
+ /* <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);
+
+}
+
+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);
+}
+EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
+
+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);
+}
+EXPORT_SYMBOL(rtl_init_rfkill);
+
+void rtl_deinit_rfkill(struct ieee80211_hw *hw)
+{
+ wiphy_rfkill_stop_polling(hw->wiphy);
+}
+EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
+
+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)) {
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n");
+ return 1;
+ }
+
+ /* <4> locks */
+ mutex_init(&rtlpriv->locks.conf_mutex);
+ spin_lock_init(&rtlpriv->locks.ips_lock);
+ 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.cck_and_rw_pagea_lock);
+ spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
+ spin_lock_init(&rtlpriv->locks.fw_ps_lock);
+ spin_lock_init(&rtlpriv->locks.lps_lock);
+ spin_lock_init(&rtlpriv->locks.iqk_lock);
+ /* <5> init list */
+ INIT_LIST_HEAD(&rtlpriv->entry_list);
+
+ rtlmac->link_state = MAC80211_NOLINK;
+
+ /* <6> init deferred work */
+ _rtl_init_deferred_work(hw);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rtl_init_core);
+
+void rtl_deinit_core(struct ieee80211_hw *hw)
+{
+}
+EXPORT_SYMBOL_GPL(rtl_deinit_core);
+
+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));
+}
+EXPORT_SYMBOL_GPL(rtl_init_rx_config);
+
+/*********************************************************
+ *
+ * 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;
+
+ return;
+}
+
+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 == NULL)
+ 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];
+ }
+}
+
+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 = 7;
+
+ 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 = 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 (mac->mode == WIRELESS_MODE_AC_5G)
+ tcb_desc->ratr_index =
+ RATR_INX_WIRELESS_AC_5N;
+ else if (mac->mode == WIRELESS_MODE_AC_24G)
+ tcb_desc->ratr_index =
+ RATR_INX_WIRELESS_AC_24N;
+ else if (mac->mode == WIRELESS_MODE_N_24G)
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
+ else if (mac->mode == WIRELESS_MODE_N_5G)
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
+ else if (mac->mode & WIRELESS_MODE_G)
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
+ else if (mac->mode & WIRELESS_MODE_B)
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
+ else if (mac->mode & WIRELESS_MODE_A)
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
+
+ } else if (mac->opmode == NL80211_IFTYPE_AP ||
+ mac->opmode == NL80211_IFTYPE_ADHOC) {
+ if (NULL != 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) {
+ 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_MCS9];
+ 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_MCS9];
+ 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 == IEEE80211_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 == IEEE80211_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 (false == isht) {
+ if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
+ 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;
+}
+EXPORT_SYMBOL(rtlwifi_rate_mapping);
+
+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 ieee80211_rate *txrate;
+ __le16 fc = rtl_get_fc(skb);
+
+ txrate = ieee80211_get_tx_rate(hw, info);
+ if (txrate)
+ tcb_desc->hw_rate = txrate->hw_value;
+
+ if (ieee80211_is_data(fc)) {
+ /*
+ *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 = RATR_INX_WIRELESS_MC;
+
+ tcb_desc->disable_ratefallback = 1;
+ } else {
+ /*
+ *because hw will nerver 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
+ */
+ if (sta && sta->vht_cap.vht_supported) {
+ 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 {
+ if (rtlmac->mode == WIRELESS_MODE_B) {
+ tcb_desc->hw_rate =
+ rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
+ } else {
+ tcb_desc->hw_rate =
+ rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
+ }
+ }
+ }
+ }
+
+ if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
+ tcb_desc->multicast = 1;
+ else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
+ 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);
+ } else {
+ tcb_desc->use_driver_rate = true;
+ tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
+ tcb_desc->disable_ratefallback = 1;
+ tcb_desc->mac_id = 0;
+ tcb_desc->packet_bw = false;
+ }
+}
+EXPORT_SYMBOL(rtl_get_tcb_desc);
+
+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");
+ rtl_ips_nic_on(hw);
+
+ mac->link_state = MAC80211_LINKING;
+ /* Dul mac */
+ rtlpriv->phy.need_iqk = true;
+
+ }
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
+
+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 == NULL) {
+ 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;
+ 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;
+}
+EXPORT_SYMBOL_GPL(rtl_action_proc);
+
+static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc)
+{
+ rtlpriv->ra.is_special_data = true;
+ if (rtlpriv->cfg->ops->get_btc_status())
+ rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
+ rtlpriv, 1);
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
+ ppsc->last_delaylps_stamp_jiffies = jiffies;
+}
+
+/*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;
+ u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
+ u8 encrypt_header_len = 0;
+ u8 offset;
+ const struct iphdr *ip;
+
+ if (!ieee80211_is_data(fc))
+ goto end;
+
+ 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;
+ ether_type = be16_to_cpup((__be16 *)(skb->data + offset));
+
+ if (ETH_P_IP == ether_type) {
+ ip = (struct iphdr *)((u8 *)skb->data + offset +
+ PROTOC_TYPE_SIZE);
+ if (IPPROTO_UDP == ip->protocol) {
+ 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_arp_tx(rtlpriv, ppsc);
+ return true;
+ }
+ }
+ } else if (ETH_P_ARP == ether_type) {
+ if (is_tx)
+ setup_arp_tx(rtlpriv, ppsc);
+
+ return true;
+ } else if (ETH_P_PAE == ether_type) {
+ 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;
+ rtlpriv->enter_ps = false;
+ schedule_work(&rtlpriv->works.lps_change_work);
+ ppsc->last_delaylps_stamp_jiffies = jiffies;
+ }
+
+ return true;
+ } else if (ETH_P_IPV6 == ether_type) {
+ /* 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;
+}
+EXPORT_SYMBOL_GPL(rtl_is_special_data);
+
+/*********************************************************
+ *
+ * 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 == NULL)
+ 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 == NULL)
+ 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;
+
+ if (sta == NULL)
+ 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_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 == NULL)
+ 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 == NULL)
+ 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;
+}
+
+/*********************************************************
+ *
+ * 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++;
+}
+EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
+
+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;
+ }
+
+ if (((rtlpriv->link_info.num_rx_inperiod +
+ rtlpriv->link_info.num_tx_inperiod) > 8) ||
+ (rtlpriv->link_info.num_rx_inperiod > 2))
+ rtl_lps_enter(hw);
+ else
+ rtl_lps_leave(hw);
+ }
+
+ 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;
+
+ /* <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) {
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+ "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);
+
+ rtlpriv->link_info.bcn_rx_inperiod = 0;
+}
+
+void rtl_watch_dog_timer_callback(unsigned long data)
+{
+ struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ 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_easy_concurrent_retrytimer_callback(unsigned long data)
+{
+ struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
+
+ if (buddy_priv == NULL)
+ 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 = (void *)skb_put(skb, 27);
+ memset(action_frame, 0, 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);
+ /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it.
+ * According to Kernel Code, here is right.
+ */
+ 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); */
+
+ 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;
+}
+EXPORT_SYMBOL(rtl_send_smps_action);
+
+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:
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+ "Unknown Scan Backup operation.\n");
+ break;
+ }
+ }
+}
+EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
+
+/* 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 = (void *)skb_put(skb, 34);
+ memset(action_frame, 0, 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;
+}
+
+/*********************************************************
+ *
+ * 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;
+}
+EXPORT_SYMBOL_GPL(rtl_recognize_peer);
+
+/*********************************************************
+ *
+ * sysfs functions
+ *
+ *********************************************************/
+static ssize_t rtl_show_debug_level(struct device *d,
+ struct device_attribute *attr, char *buf)
+{
+ struct ieee80211_hw *hw = dev_get_drvdata(d);
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
+}
+
+static ssize_t rtl_store_debug_level(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ieee80211_hw *hw = dev_get_drvdata(d);
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ unsigned long val;
+ int ret;
+
+ ret = kstrtoul(buf, 0, &val);
+ if (ret) {
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
+ "%s is not in hex or decimal form.\n", buf);
+ } else {
+ rtlpriv->dbg.global_debuglevel = val;
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
+ "debuglevel:%x\n",
+ rtlpriv->dbg.global_debuglevel);
+ }
+
+ return strnlen(buf, count);
+}
+
+static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
+ rtl_show_debug_level, rtl_store_debug_level);
+
+static struct attribute *rtl_sysfs_entries[] = {
+
+ &dev_attr_debug_level.attr,
+
+ NULL
+};
+
+/*
+ * "name" is folder name witch will be
+ * put in device directory like :
+ * sys/devices/pci0000:00/0000:00:1c.4/
+ * 0000:06:00.0/rtl_sysfs
+ */
+struct attribute_group rtl_attribute_group = {
+ .name = "rtlsysfs",
+ .attrs = rtl_sysfs_entries,
+};
+EXPORT_SYMBOL_GPL(rtl_attribute_group);
+
+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 = {};
+EXPORT_SYMBOL_GPL(rtl_global_var);
+
+static int __init rtl_core_module_init(void)
+{
+ if (rtl_rate_control_register())
+ pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
+
+ /* init some global vars */
+ INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
+ spin_lock_init(&rtl_global_var.glb_list_lock);
+
+ return 0;
+}
+
+static void __exit rtl_core_module_exit(void)
+{
+ /*RC*/
+ rtl_rate_control_unregister();
+}
+
+module_init(rtl_core_module_init);
+module_exit(rtl_core_module_exit);
Code Review / kvmfornfv.git / blobdiff