diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/base.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/base.c | 1880 |
1 files changed, 0 insertions, 1880 deletions
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c deleted file mode 100644 index 9d558ac77b0c..000000000000 --- a/drivers/net/wireless/rtlwifi/base.c +++ /dev/null @@ -1,1880 +0,0 @@ -/****************************************************************************** - * - * 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> - -/* - *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]; -} - -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); -} - -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); -} - -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; -} - -void rtl_deinit_core(struct ieee80211_hw *hw) -{ -} - -void rtl_init_rx_config(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); -} - -/********************************************************* - * - * tx information functions - * - *********************************************************/ -static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, - struct rtl_tcb_desc *tcb_desc, - struct ieee80211_tx_info *info) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u8 rate_flag = info->control.rates[0].flags; - - tcb_desc->use_shortpreamble = false; - - /* 1M can only use Long Preamble. 11B spec */ - if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) - return; - else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - tcb_desc->use_shortpreamble = true; - - 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; -} - -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; -} - -/*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 = (struct iphdr *)((u8 *) skb->data + mac_hdr_len + - SNAP_SIZE + PROTOC_TYPE_SIZE); - ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE); - /* ether_type = ntohs(ether_type); */ - - if (ETH_P_IP == ether_type) { - 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) { - rtlpriv->enter_ps = false; - schedule_work(&rtlpriv-> - works.lps_change_work); - ppsc->last_delaylps_stamp_jiffies = - jiffies; - } - - return true; - } - } - } else if (ETH_P_ARP == ether_type) { - if (is_tx) { - rtlpriv->enter_ps = false; - schedule_work(&rtlpriv->works.lps_change_work); - ppsc->last_delaylps_stamp_jiffies = jiffies; - } - - 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->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) { - /* IPv6 */ - return true; - } - - return false; -} - -/********************************************************* - * - * 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 (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid)) - return; - - rtlpriv->link_info.bcn_rx_inperiod++; -} - -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); - -/* 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; -} - -/********************************************************* - * - * 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, -}; - -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 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(&global_var.glb_priv_list); - spin_lock_init(&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); |