| /****************************************************************************** |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called LICENSE. |
| * |
| * Contact Information: |
| * 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 <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_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); |
| |
| /* <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); |
| |
| /* <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_CONNECTION_MONITOR | |
| 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->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->channel_change_time = 100; |
| hw->max_listen_interval = 10; |
| hw->max_rate_tries = 4; |
| /* hw->max_rates = 1; */ |
| hw->sta_data_size = sizeof(struct rtl_sta_info); |
| |
| /* <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("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); |
| mutex_init(&rtlpriv->locks.ps_mutex); |
| spin_lock_init(&rtlpriv->locks.ips_lock); |
| spin_lock_init(&rtlpriv->locks.irq_th_lock); |
| spin_lock_init(&rtlpriv->locks.irq_pci_lock); |
| spin_lock_init(&rtlpriv->locks.tx_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.fw_ps_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); |
| |
| /* <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; |
| 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; |
| |
| if (!(sta->ht_cap.ht_supported)) |
| return; |
| |
| if (!sgi_40 && !sgi_20) |
| return; |
| |
| if (mac->opmode == NL80211_IFTYPE_STATION) |
| bw_40 = mac->bw_40; |
| else if (mac->opmode == NL80211_IFTYPE_AP || |
| mac->opmode == NL80211_IFTYPE_ADHOC || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) |
| bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; |
| |
| if (bw_40 && sgi_40) |
| tcb_desc->use_shortgi = true; |
| else if ((bw_40 == false) && 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_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->bandwidth == IEEE80211_STA_RX_BW_20) |
| 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 = true; |
| } |
| |
| static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| u8 hw_rate; |
| |
| if (get_rf_type(rtlphy) == RF_2T2R) |
| 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, |
| * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, |
| * |
| * N rate: |
| * (rx_status->flag & RX_FLAG_HT) = 1, |
| * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 |
| * |
| * 5G band:rx_status->band == IEEE80211_BAND_5GHZ |
| * A rate: |
| * (rx_status->flag & RX_FLAG_HT) = 0, |
| * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, |
| * |
| * N rate: |
| * (rx_status->flag & RX_FLAG_HT) = 1, |
| * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 |
| */ |
| int rtlwifi_rate_mapping(struct ieee80211_hw *hw, |
| bool isht, u8 desc_rate, bool first_ampdu) |
| { |
| int rate_idx; |
| |
| if (false == isht) { |
| if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { |
| switch (desc_rate) { |
| case DESC92_RATE1M: |
| rate_idx = 0; |
| break; |
| case DESC92_RATE2M: |
| rate_idx = 1; |
| break; |
| case DESC92_RATE5_5M: |
| rate_idx = 2; |
| break; |
| case DESC92_RATE11M: |
| rate_idx = 3; |
| break; |
| case DESC92_RATE6M: |
| rate_idx = 4; |
| break; |
| case DESC92_RATE9M: |
| rate_idx = 5; |
| break; |
| case DESC92_RATE12M: |
| rate_idx = 6; |
| break; |
| case DESC92_RATE18M: |
| rate_idx = 7; |
| break; |
| case DESC92_RATE24M: |
| rate_idx = 8; |
| break; |
| case DESC92_RATE36M: |
| rate_idx = 9; |
| break; |
| case DESC92_RATE48M: |
| rate_idx = 10; |
| break; |
| case DESC92_RATE54M: |
| rate_idx = 11; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } else { |
| switch (desc_rate) { |
| case DESC92_RATE6M: |
| rate_idx = 0; |
| break; |
| case DESC92_RATE9M: |
| rate_idx = 1; |
| break; |
| case DESC92_RATE12M: |
| rate_idx = 2; |
| break; |
| case DESC92_RATE18M: |
| rate_idx = 3; |
| break; |
| case DESC92_RATE24M: |
| rate_idx = 4; |
| break; |
| case DESC92_RATE36M: |
| rate_idx = 5; |
| break; |
| case DESC92_RATE48M: |
| rate_idx = 6; |
| break; |
| case DESC92_RATE54M: |
| rate_idx = 7; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } |
| |
| } else { |
| |
| switch (desc_rate) { |
| case DESC92_RATEMCS0: |
| rate_idx = 0; |
| break; |
| case DESC92_RATEMCS1: |
| rate_idx = 1; |
| break; |
| case DESC92_RATEMCS2: |
| rate_idx = 2; |
| break; |
| case DESC92_RATEMCS3: |
| rate_idx = 3; |
| break; |
| case DESC92_RATEMCS4: |
| rate_idx = 4; |
| break; |
| case DESC92_RATEMCS5: |
| rate_idx = 5; |
| break; |
| case DESC92_RATEMCS6: |
| rate_idx = 6; |
| break; |
| case DESC92_RATEMCS7: |
| rate_idx = 7; |
| break; |
| case DESC92_RATEMCS8: |
| rate_idx = 8; |
| break; |
| case DESC92_RATEMCS9: |
| rate_idx = 9; |
| break; |
| case DESC92_RATEMCS10: |
| rate_idx = 10; |
| break; |
| case DESC92_RATEMCS11: |
| rate_idx = 11; |
| break; |
| case DESC92_RATEMCS12: |
| rate_idx = 12; |
| break; |
| case DESC92_RATEMCS13: |
| rate_idx = 13; |
| break; |
| case DESC92_RATEMCS14: |
| rate_idx = 14; |
| break; |
| case DESC92_RATEMCS15: |
| rate_idx = 15; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } |
| return rate_idx; |
| } |
| EXPORT_SYMBOL(rtlwifi_rate_mapping); |
| |
| 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; |
| /* Dual mac */ |
| rtlpriv->phy.need_iqk = true; |
| } |
| |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); |
| |
| 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 = hdr->frame_control; |
| |
| txrate = ieee80211_get_tx_rate(hw, info); |
| if (txrate) |
| tcb_desc->hw_rate = txrate->hw_value; |
| else |
| tcb_desc->hw_rate = 0; |
| |
| 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->ht_cap.ht_supported)) { |
| tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw); |
| } 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); |
| |
| static bool addbareq_rx(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct ieee80211_sta *sta = NULL; |
| struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
| struct rtl_sta_info *sta_entry = NULL; |
| struct ieee80211_mgmt *mgmt = (void *)skb->data; |
| u16 capab = 0, tid = 0; |
| struct rtl_tid_data *tid_data; |
| struct sk_buff *skb_delba = NULL; |
| struct ieee80211_rx_status rx_status = { 0 }; |
| |
| rcu_read_lock(); |
| sta = rtl_find_sta(hw, hdr->addr3); |
| if (sta == NULL) { |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_EMERG, |
| "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) { |
| 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_END; |
| 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); |
| } |
| } |
| rcu_read_unlock(); |
| return false; |
| } |
| |
| 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 = hdr->frame_control; |
| u8 *act = (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) |
| if (addbareq_rx(hw, skb)) |
| return true; |
| 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); |
| |
| /*should call before software enc*/ |
| u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) |
| { |
| 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); |
| const struct iphdr *ip; |
| |
| if (!ieee80211_is_data(fc)) |
| return false; |
| |
| ip = (const struct iphdr *)(skb->data + mac_hdr_len + |
| SNAP_SIZE + PROTOC_TYPE_SIZE); |
| ether_type = be16_to_cpup((__be16 *) |
| (skb->data + mac_hdr_len + SNAP_SIZE)); |
| |
| switch (ether_type) { |
| case ETH_P_IP: { |
| struct udphdr *udp; |
| u16 src; |
| u16 dst; |
| |
| if (ip->protocol != IPPROTO_UDP) |
| return false; |
| udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); |
| src = be16_to_cpu(udp->source); |
| dst = be16_to_cpu(udp->dest); |
| |
| /* If this case involves port 68 (UDP BOOTP client) connecting |
| * with port 67 (UDP BOOTP server), then return true so that |
| * the lowest speed is used. |
| */ |
| if (!((src == 68 && dst == 67) || (src == 67 && dst == 68))) |
| return false; |
| |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "dhcp %s !!\n", is_tx ? "Tx" : "Rx"); |
| break; |
| } |
| case ETH_P_ARP: |
| break; |
| case ETH_P_PAE: |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx"); |
| break; |
| case ETH_P_IPV6: |
| /* TODO: Is this right? */ |
| return false; |
| default: |
| return false; |
| } |
| if (is_tx) { |
| rtlpriv->enter_ps = false; |
| schedule_work(&rtlpriv->works.lps_change_work); |
| ppsc->last_delaylps_stamp_jiffies = jiffies; |
| } |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(rtl_is_special_data); |
| |
| /********************************************************* |
| * |
| * functions called by core.c |
| * |
| *********************************************************/ |
| int rtl_tx_agg_start(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, u16 tid, u16 *ssn) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tid_data *tid_data; |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| 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(mac->vif, sta->addr, tid); |
| |
| return 0; |
| } |
| |
| int rtl_tx_agg_stop(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| struct rtl_sta_info *sta_entry = NULL; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| if (!sta->addr) { |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); |
| 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_STOP; |
| |
| ieee80211_stop_tx_ba_cb_irqsafe(mac->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; |
| |
| if (!sta->addr) { |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); |
| 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; |
| |
| if (!sta->addr) { |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n"); |
| 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)) |
| rtlpriv->enter_ps = true; |
| else |
| rtlpriv->enter_ps = false; |
| |
| /* LeisurePS only work in infra mode. */ |
| schedule_work(&rtlpriv->works.lps_change_work); |
| } |
| |
| 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 */ |
| 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 6s, we should |
| * reconnect this AP |
| */ |
| if (rtlpriv->link_info.roam_times >= 3) { |
| 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; |
| } |
| } |
| 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); |
| 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; |
| |
| 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); |
| |
| /* There seem to be issues in mac80211 regarding when del ba frames can be |
| * received. As a work around, we make a fake del_ba if we receive a ba_req; |
| * however, rx_agg was opened to let mac80211 release some ba related |
| * resources. This del_ba is for tx only. |
| */ |
| 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(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) { |
| printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf); |
| } else { |
| rtlpriv->dbg.global_debuglevel = val; |
| printk(KERN_DEBUG "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("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); |