| /****************************************************************************** |
| * |
| * Copyright(c) 2009-2012 Realtek Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called LICENSE. |
| * |
| * Contact Information: |
| * wlanfae <wlanfae@realtek.com> |
| * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, |
| * Hsinchu 300, Taiwan. |
| * |
| * Larry Finger <Larry.Finger@lwfinger.net> |
| * |
| *****************************************************************************/ |
| |
| #include "wifi.h" |
| #include "rc.h" |
| #include "base.h" |
| #include "efuse.h" |
| #include "cam.h" |
| #include "ps.h" |
| #include "regd.h" |
| #include "pci.h" |
| #include <linux/ip.h> |
| #include <linux/module.h> |
| #include <linux/udp.h> |
| |
| /* |
| *NOTICE!!!: This file will be very big, we should |
| *keep it clear under following roles: |
| * |
| *This file include following parts, so, if you add new |
| *functions into this file, please check which part it |
| *should includes. or check if you should add new part |
| *for this file: |
| * |
| *1) mac80211 init functions |
| *2) tx information functions |
| *3) functions called by core.c |
| *4) wq & timer callback functions |
| *5) frame process functions |
| *6) IOT functions |
| *7) sysfs functions |
| *8) vif functions |
| *9) ... |
| */ |
| |
| /********************************************************* |
| * |
| * mac80211 init functions |
| * |
| *********************************************************/ |
| static struct ieee80211_channel rtl_channeltable_2g[] = { |
| {.center_freq = 2412, .hw_value = 1,}, |
| {.center_freq = 2417, .hw_value = 2,}, |
| {.center_freq = 2422, .hw_value = 3,}, |
| {.center_freq = 2427, .hw_value = 4,}, |
| {.center_freq = 2432, .hw_value = 5,}, |
| {.center_freq = 2437, .hw_value = 6,}, |
| {.center_freq = 2442, .hw_value = 7,}, |
| {.center_freq = 2447, .hw_value = 8,}, |
| {.center_freq = 2452, .hw_value = 9,}, |
| {.center_freq = 2457, .hw_value = 10,}, |
| {.center_freq = 2462, .hw_value = 11,}, |
| {.center_freq = 2467, .hw_value = 12,}, |
| {.center_freq = 2472, .hw_value = 13,}, |
| {.center_freq = 2484, .hw_value = 14,}, |
| }; |
| |
| static struct ieee80211_channel rtl_channeltable_5g[] = { |
| {.center_freq = 5180, .hw_value = 36,}, |
| {.center_freq = 5200, .hw_value = 40,}, |
| {.center_freq = 5220, .hw_value = 44,}, |
| {.center_freq = 5240, .hw_value = 48,}, |
| {.center_freq = 5260, .hw_value = 52,}, |
| {.center_freq = 5280, .hw_value = 56,}, |
| {.center_freq = 5300, .hw_value = 60,}, |
| {.center_freq = 5320, .hw_value = 64,}, |
| {.center_freq = 5500, .hw_value = 100,}, |
| {.center_freq = 5520, .hw_value = 104,}, |
| {.center_freq = 5540, .hw_value = 108,}, |
| {.center_freq = 5560, .hw_value = 112,}, |
| {.center_freq = 5580, .hw_value = 116,}, |
| {.center_freq = 5600, .hw_value = 120,}, |
| {.center_freq = 5620, .hw_value = 124,}, |
| {.center_freq = 5640, .hw_value = 128,}, |
| {.center_freq = 5660, .hw_value = 132,}, |
| {.center_freq = 5680, .hw_value = 136,}, |
| {.center_freq = 5700, .hw_value = 140,}, |
| {.center_freq = 5745, .hw_value = 149,}, |
| {.center_freq = 5765, .hw_value = 153,}, |
| {.center_freq = 5785, .hw_value = 157,}, |
| {.center_freq = 5805, .hw_value = 161,}, |
| {.center_freq = 5825, .hw_value = 165,}, |
| }; |
| |
| static struct ieee80211_rate rtl_ratetable_2g[] = { |
| {.bitrate = 10, .hw_value = 0x00,}, |
| {.bitrate = 20, .hw_value = 0x01,}, |
| {.bitrate = 55, .hw_value = 0x02,}, |
| {.bitrate = 110, .hw_value = 0x03,}, |
| {.bitrate = 60, .hw_value = 0x04,}, |
| {.bitrate = 90, .hw_value = 0x05,}, |
| {.bitrate = 120, .hw_value = 0x06,}, |
| {.bitrate = 180, .hw_value = 0x07,}, |
| {.bitrate = 240, .hw_value = 0x08,}, |
| {.bitrate = 360, .hw_value = 0x09,}, |
| {.bitrate = 480, .hw_value = 0x0a,}, |
| {.bitrate = 540, .hw_value = 0x0b,}, |
| }; |
| |
| static struct ieee80211_rate rtl_ratetable_5g[] = { |
| {.bitrate = 60, .hw_value = 0x04,}, |
| {.bitrate = 90, .hw_value = 0x05,}, |
| {.bitrate = 120, .hw_value = 0x06,}, |
| {.bitrate = 180, .hw_value = 0x07,}, |
| {.bitrate = 240, .hw_value = 0x08,}, |
| {.bitrate = 360, .hw_value = 0x09,}, |
| {.bitrate = 480, .hw_value = 0x0a,}, |
| {.bitrate = 540, .hw_value = 0x0b,}, |
| }; |
| |
| static const struct ieee80211_supported_band rtl_band_2ghz = { |
| .band = NL80211_BAND_2GHZ, |
| |
| .channels = rtl_channeltable_2g, |
| .n_channels = ARRAY_SIZE(rtl_channeltable_2g), |
| |
| .bitrates = rtl_ratetable_2g, |
| .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), |
| |
| .ht_cap = {0}, |
| }; |
| |
| static struct ieee80211_supported_band rtl_band_5ghz = { |
| .band = NL80211_BAND_5GHZ, |
| |
| .channels = rtl_channeltable_5g, |
| .n_channels = ARRAY_SIZE(rtl_channeltable_5g), |
| |
| .bitrates = rtl_ratetable_5g, |
| .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), |
| |
| .ht_cap = {0}, |
| }; |
| |
| static const u8 tid_to_ac[] = { |
| 2, /* IEEE80211_AC_BE */ |
| 3, /* IEEE80211_AC_BK */ |
| 3, /* IEEE80211_AC_BK */ |
| 2, /* IEEE80211_AC_BE */ |
| 1, /* IEEE80211_AC_VI */ |
| 1, /* IEEE80211_AC_VI */ |
| 0, /* IEEE80211_AC_VO */ |
| 0, /* IEEE80211_AC_VO */ |
| }; |
| |
| u8 rtl_tid_to_ac(u8 tid) |
| { |
| return tid_to_ac[tid]; |
| } |
| 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[NL80211_BAND_2GHZ] |
| *base on ant_num |
| *rx_mask: RX mask |
| *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7 |
| *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15 |
| *if rx_ant >= 3 rx_mask[2]= 0xff; |
| *if BW_40 rx_mask[4]= 0x01; |
| *highest supported RX rate |
| */ |
| if (rtlpriv->dm.supp_phymode_switch) { |
| pr_info("Support phy mode switch\n"); |
| |
| ht_cap->mcs.rx_mask[0] = 0xFF; |
| ht_cap->mcs.rx_mask[1] = 0xFF; |
| ht_cap->mcs.rx_mask[4] = 0x01; |
| |
| ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); |
| } else { |
| if (get_rf_type(rtlphy) == RF_1T2R || |
| get_rf_type(rtlphy) == RF_2T2R) { |
| RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, |
| "1T2R or 2T2R\n"); |
| ht_cap->mcs.rx_mask[0] = 0xFF; |
| ht_cap->mcs.rx_mask[1] = 0xFF; |
| ht_cap->mcs.rx_mask[4] = 0x01; |
| |
| ht_cap->mcs.rx_highest = |
| cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); |
| } else if (get_rf_type(rtlphy) == RF_1T1R) { |
| RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); |
| |
| ht_cap->mcs.rx_mask[0] = 0xFF; |
| ht_cap->mcs.rx_mask[1] = 0x00; |
| ht_cap->mcs.rx_mask[4] = 0x01; |
| |
| ht_cap->mcs.rx_highest = |
| cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); |
| } |
| } |
| } |
| |
| static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw, |
| struct ieee80211_sta_vht_cap *vht_cap) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
| |
| if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) |
| return; |
| |
| if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE || |
| rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) { |
| u16 mcs_map; |
| |
| vht_cap->vht_supported = true; |
| vht_cap->cap = |
| IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | |
| IEEE80211_VHT_CAP_SHORT_GI_80 | |
| IEEE80211_VHT_CAP_TXSTBC | |
| IEEE80211_VHT_CAP_RXSTBC_1 | |
| IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
| IEEE80211_VHT_CAP_HTC_VHT | |
| IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | |
| IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | |
| IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | |
| 0; |
| |
| mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | |
| IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; |
| |
| vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); |
| vht_cap->vht_mcs.rx_highest = |
| cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); |
| vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); |
| vht_cap->vht_mcs.tx_highest = |
| cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); |
| } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { |
| u16 mcs_map; |
| |
| vht_cap->vht_supported = true; |
| vht_cap->cap = |
| IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | |
| IEEE80211_VHT_CAP_SHORT_GI_80 | |
| IEEE80211_VHT_CAP_TXSTBC | |
| IEEE80211_VHT_CAP_RXSTBC_1 | |
| IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
| IEEE80211_VHT_CAP_HTC_VHT | |
| IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | |
| IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | |
| IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | |
| 0; |
| |
| mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | |
| IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; |
| |
| vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); |
| vht_cap->vht_mcs.rx_highest = |
| cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); |
| vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); |
| vht_cap->vht_mcs.tx_highest = |
| cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); |
| } |
| } |
| |
| static void _rtl_init_mac80211(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
| struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); |
| struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); |
| struct ieee80211_supported_band *sband; |
| |
| if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && |
| rtlhal->bandset == BAND_ON_BOTH) { |
| /* 1: 2.4 G bands */ |
| /* <1> use mac->bands as mem for hw->wiphy->bands */ |
| sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); |
| |
| /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] |
| * to default value(1T1R) */ |
| memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz, |
| sizeof(struct ieee80211_supported_band)); |
| |
| /* <3> init ht cap base on ant_num */ |
| _rtl_init_hw_ht_capab(hw, &sband->ht_cap); |
| |
| /* <4> set mac->sband to wiphy->sband */ |
| hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; |
| |
| /* 2: 5 G bands */ |
| /* <1> use mac->bands as mem for hw->wiphy->bands */ |
| sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); |
| |
| /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] |
| * to default value(1T1R) */ |
| memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz, |
| sizeof(struct ieee80211_supported_band)); |
| |
| /* <3> init ht cap base on ant_num */ |
| _rtl_init_hw_ht_capab(hw, &sband->ht_cap); |
| |
| _rtl_init_hw_vht_capab(hw, &sband->vht_cap); |
| /* <4> set mac->sband to wiphy->sband */ |
| hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; |
| } else { |
| if (rtlhal->current_bandtype == BAND_ON_2_4G) { |
| /* <1> use mac->bands as mem for hw->wiphy->bands */ |
| sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); |
| |
| /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] |
| * to default value(1T1R) */ |
| memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), |
| &rtl_band_2ghz, |
| sizeof(struct ieee80211_supported_band)); |
| |
| /* <3> init ht cap base on ant_num */ |
| _rtl_init_hw_ht_capab(hw, &sband->ht_cap); |
| |
| /* <4> set mac->sband to wiphy->sband */ |
| hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; |
| } else if (rtlhal->current_bandtype == BAND_ON_5G) { |
| /* <1> use mac->bands as mem for hw->wiphy->bands */ |
| sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); |
| |
| /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] |
| * to default value(1T1R) */ |
| memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), |
| &rtl_band_5ghz, |
| sizeof(struct ieee80211_supported_band)); |
| |
| /* <3> init ht cap base on ant_num */ |
| _rtl_init_hw_ht_capab(hw, &sband->ht_cap); |
| |
| _rtl_init_hw_vht_capab(hw, &sband->vht_cap); |
| /* <4> set mac->sband to wiphy->sband */ |
| hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; |
| } else { |
| pr_err("Err BAND %d\n", |
| rtlhal->current_bandtype); |
| } |
| } |
| /* <5> set hw caps */ |
| ieee80211_hw_set(hw, SIGNAL_DBM); |
| ieee80211_hw_set(hw, RX_INCLUDES_FCS); |
| ieee80211_hw_set(hw, AMPDU_AGGREGATION); |
| ieee80211_hw_set(hw, MFP_CAPABLE); |
| ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); |
| ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); |
| ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); |
| |
| /* swlps or hwlps has been set in diff chip in init_sw_vars */ |
| if (rtlpriv->psc.swctrl_lps) { |
| ieee80211_hw_set(hw, SUPPORTS_PS); |
| ieee80211_hw_set(hw, PS_NULLFUNC_STACK); |
| } |
| if (rtlpriv->psc.fwctrl_lps) { |
| ieee80211_hw_set(hw, SUPPORTS_PS); |
| ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); |
| } |
| hw->wiphy->interface_modes = |
| BIT(NL80211_IFTYPE_AP) | |
| BIT(NL80211_IFTYPE_STATION) | |
| BIT(NL80211_IFTYPE_ADHOC) | |
| BIT(NL80211_IFTYPE_MESH_POINT) | |
| BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| BIT(NL80211_IFTYPE_P2P_GO); |
| hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
| |
| hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
| |
| hw->wiphy->rts_threshold = 2347; |
| |
| hw->queues = AC_MAX; |
| hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; |
| |
| /* TODO: Correct this value for our hw */ |
| hw->max_listen_interval = MAX_LISTEN_INTERVAL; |
| hw->max_rate_tries = MAX_RATE_TRIES; |
| /* hw->max_rates = 1; */ |
| hw->sta_data_size = sizeof(struct rtl_sta_info); |
| |
| /* wowlan is not supported by kernel if CONFIG_PM is not defined */ |
| #ifdef CONFIG_PM |
| if (rtlpriv->psc.wo_wlan_mode) { |
| if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) |
| rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; |
| if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { |
| rtlpriv->wowlan.n_patterns = |
| MAX_SUPPORT_WOL_PATTERN_NUM; |
| rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; |
| rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; |
| } |
| hw->wiphy->wowlan = &rtlpriv->wowlan; |
| } |
| #endif |
| |
| /* <6> mac address */ |
| if (is_valid_ether_addr(rtlefuse->dev_addr)) { |
| SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); |
| } else { |
| u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; |
| get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); |
| SET_IEEE80211_PERM_ADDR(hw, rtlmac1); |
| } |
| } |
| |
| static void _rtl_init_deferred_work(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| |
| /* <1> timer */ |
| timer_setup(&rtlpriv->works.watchdog_timer, |
| rtl_watch_dog_timer_callback, 0); |
| timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, |
| rtl_easy_concurrent_retrytimer_callback, 0); |
| /* <2> work queue */ |
| rtlpriv->works.hw = hw; |
| rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); |
| INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, |
| (void *)rtl_watchdog_wq_callback); |
| INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, |
| (void *)rtl_ips_nic_off_wq_callback); |
| INIT_DELAYED_WORK(&rtlpriv->works.ps_work, |
| (void *)rtl_swlps_wq_callback); |
| INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, |
| (void *)rtl_swlps_rfon_wq_callback); |
| INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, |
| (void *)rtl_fwevt_wq_callback); |
| INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, |
| (void *)rtl_c2hcmd_wq_callback); |
| |
| } |
| |
| void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| |
| del_timer_sync(&rtlpriv->works.watchdog_timer); |
| |
| cancel_delayed_work_sync(&rtlpriv->works.watchdog_wq); |
| if (ips_wq) |
| cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); |
| else |
| cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq); |
| cancel_delayed_work_sync(&rtlpriv->works.ps_work); |
| cancel_delayed_work_sync(&rtlpriv->works.ps_rfon_wq); |
| cancel_delayed_work_sync(&rtlpriv->works.fwevt_wq); |
| cancel_delayed_work_sync(&rtlpriv->works.c2hcmd_wq); |
| } |
| EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); |
| |
| void rtl_init_rfkill(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| |
| bool radio_state; |
| bool blocked; |
| u8 valid = 0; |
| |
| /*set init state to on */ |
| rtlpriv->rfkill.rfkill_state = true; |
| wiphy_rfkill_set_hw_state(hw->wiphy, 0); |
| |
| radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); |
| |
| if (valid) { |
| pr_info("rtlwifi: wireless switch is %s\n", |
| rtlpriv->rfkill.rfkill_state ? "on" : "off"); |
| |
| rtlpriv->rfkill.rfkill_state = radio_state; |
| |
| blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; |
| wiphy_rfkill_set_hw_state(hw->wiphy, blocked); |
| } |
| |
| wiphy_rfkill_start_polling(hw->wiphy); |
| } |
| EXPORT_SYMBOL(rtl_init_rfkill); |
| |
| void rtl_deinit_rfkill(struct ieee80211_hw *hw) |
| { |
| wiphy_rfkill_stop_polling(hw->wiphy); |
| } |
| EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); |
| |
| int rtl_init_core(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); |
| |
| /* <1> init mac80211 */ |
| _rtl_init_mac80211(hw); |
| rtlmac->hw = hw; |
| |
| /* <2> rate control register */ |
| hw->rate_control_algorithm = "rtl_rc"; |
| |
| /* |
| * <3> init CRDA must come after init |
| * mac80211 hw in _rtl_init_mac80211. |
| */ |
| if (rtl_regd_init(hw, rtl_reg_notifier)) { |
| pr_err("REGD init failed\n"); |
| return 1; |
| } |
| |
| /* <4> locks */ |
| mutex_init(&rtlpriv->locks.conf_mutex); |
| mutex_init(&rtlpriv->locks.ips_mutex); |
| mutex_init(&rtlpriv->locks.lps_mutex); |
| spin_lock_init(&rtlpriv->locks.irq_th_lock); |
| spin_lock_init(&rtlpriv->locks.h2c_lock); |
| spin_lock_init(&rtlpriv->locks.rf_ps_lock); |
| spin_lock_init(&rtlpriv->locks.rf_lock); |
| spin_lock_init(&rtlpriv->locks.waitq_lock); |
| spin_lock_init(&rtlpriv->locks.entry_list_lock); |
| spin_lock_init(&rtlpriv->locks.c2hcmd_lock); |
| spin_lock_init(&rtlpriv->locks.scan_list_lock); |
| spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); |
| spin_lock_init(&rtlpriv->locks.fw_ps_lock); |
| spin_lock_init(&rtlpriv->locks.iqk_lock); |
| /* <5> init list */ |
| INIT_LIST_HEAD(&rtlpriv->entry_list); |
| INIT_LIST_HEAD(&rtlpriv->scan_list.list); |
| skb_queue_head_init(&rtlpriv->tx_report.queue); |
| skb_queue_head_init(&rtlpriv->c2hcmd_queue); |
| |
| rtlmac->link_state = MAC80211_NOLINK; |
| |
| /* <6> init deferred work */ |
| _rtl_init_deferred_work(hw); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(rtl_init_core); |
| |
| static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); |
| static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, |
| bool timeout); |
| |
| void rtl_deinit_core(struct ieee80211_hw *hw) |
| { |
| rtl_c2hcmd_launcher(hw, 0); |
| rtl_free_entries_from_scan_list(hw); |
| rtl_free_entries_from_ack_queue(hw, false); |
| } |
| EXPORT_SYMBOL_GPL(rtl_deinit_core); |
| |
| void rtl_init_rx_config(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| |
| rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); |
| } |
| EXPORT_SYMBOL_GPL(rtl_init_rx_config); |
| |
| /********************************************************* |
| * |
| * tx information functions |
| * |
| *********************************************************/ |
| static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, |
| struct rtl_tcb_desc *tcb_desc, |
| struct ieee80211_tx_info *info) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| u8 rate_flag = info->control.rates[0].flags; |
| |
| tcb_desc->use_shortpreamble = false; |
| |
| /* 1M can only use Long Preamble. 11B spec */ |
| if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) |
| return; |
| else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) |
| tcb_desc->use_shortpreamble = true; |
| |
| return; |
| } |
| |
| static void _rtl_query_shortgi(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, |
| struct rtl_tcb_desc *tcb_desc, |
| struct ieee80211_tx_info *info) |
| { |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| u8 rate_flag = info->control.rates[0].flags; |
| u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; |
| u8 sgi_80 = 0, bw_80 = 0; |
| tcb_desc->use_shortgi = false; |
| |
| if (sta == NULL) |
| return; |
| |
| sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; |
| sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; |
| sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; |
| |
| if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) |
| return; |
| |
| if (!sgi_40 && !sgi_20) |
| return; |
| |
| if (mac->opmode == NL80211_IFTYPE_STATION) { |
| bw_40 = mac->bw_40; |
| bw_80 = mac->bw_80; |
| } else if (mac->opmode == NL80211_IFTYPE_AP || |
| mac->opmode == NL80211_IFTYPE_ADHOC || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
| bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| bw_80 = sta->vht_cap.vht_supported; |
| } |
| |
| if (bw_80) { |
| if (sgi_80) |
| tcb_desc->use_shortgi = true; |
| else |
| tcb_desc->use_shortgi = false; |
| } else { |
| if (bw_40 && sgi_40) |
| tcb_desc->use_shortgi = true; |
| else if (!bw_40 && sgi_20) |
| tcb_desc->use_shortgi = true; |
| } |
| |
| if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) |
| tcb_desc->use_shortgi = false; |
| } |
| |
| static void _rtl_query_protection_mode(struct ieee80211_hw *hw, |
| struct rtl_tcb_desc *tcb_desc, |
| struct ieee80211_tx_info *info) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| u8 rate_flag = info->control.rates[0].flags; |
| |
| /* Common Settings */ |
| tcb_desc->rts_stbc = false; |
| tcb_desc->cts_enable = false; |
| tcb_desc->rts_sc = 0; |
| tcb_desc->rts_bw = false; |
| tcb_desc->rts_use_shortpreamble = false; |
| tcb_desc->rts_use_shortgi = false; |
| |
| if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { |
| /* Use CTS-to-SELF in protection mode. */ |
| tcb_desc->rts_enable = true; |
| tcb_desc->cts_enable = true; |
| tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
| } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { |
| /* Use RTS-CTS in protection mode. */ |
| tcb_desc->rts_enable = true; |
| tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; |
| } |
| } |
| |
| u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, |
| enum wireless_mode wirelessmode) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_phy *rtlphy = &rtlpriv->phy; |
| u8 ret = 0; |
| |
| switch (rate_index) { |
| case RATR_INX_WIRELESS_NGB: |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_BGN_40M_1SS; |
| else |
| ret = RATEID_IDX_BGN_40M_2SS; |
| ; break; |
| case RATR_INX_WIRELESS_N: |
| case RATR_INX_WIRELESS_NG: |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_GN_N1SS; |
| else |
| ret = RATEID_IDX_GN_N2SS; |
| ; break; |
| case RATR_INX_WIRELESS_NB: |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_BGN_20M_1SS_BN; |
| else |
| ret = RATEID_IDX_BGN_20M_2SS_BN; |
| ; break; |
| case RATR_INX_WIRELESS_GB: |
| ret = RATEID_IDX_BG; |
| break; |
| case RATR_INX_WIRELESS_G: |
| ret = RATEID_IDX_G; |
| break; |
| case RATR_INX_WIRELESS_B: |
| ret = RATEID_IDX_B; |
| break; |
| case RATR_INX_WIRELESS_MC: |
| if (wirelessmode == WIRELESS_MODE_B || |
| wirelessmode == WIRELESS_MODE_G || |
| wirelessmode == WIRELESS_MODE_N_24G || |
| wirelessmode == WIRELESS_MODE_AC_24G) |
| ret = RATEID_IDX_BG; |
| else |
| ret = RATEID_IDX_G; |
| break; |
| case RATR_INX_WIRELESS_AC_5N: |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_VHT_1SS; |
| else |
| ret = RATEID_IDX_VHT_2SS; |
| break; |
| case RATR_INX_WIRELESS_AC_24N: |
| if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_VHT_1SS; |
| else |
| ret = RATEID_IDX_VHT_2SS; |
| } else { |
| if (rtlphy->rf_type == RF_1T1R) |
| ret = RATEID_IDX_MIX1; |
| else |
| ret = RATEID_IDX_MIX2; |
| } |
| break; |
| default: |
| ret = RATEID_IDX_BGN_40M_2SS; |
| break; |
| } |
| return ret; |
| } |
| EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); |
| |
| static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, |
| struct rtl_tcb_desc *tcb_desc) |
| { |
| #define SET_RATE_ID(rate_id) \ |
| ({typeof(rate_id) _id = rate_id; \ |
| ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ |
| rtl_mrate_idx_to_arfr_id(hw, _id, \ |
| (sta_entry ? sta_entry->wireless_mode : \ |
| WIRELESS_MODE_G)) : \ |
| _id); }) |
| |
| 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 = SET_RATE_ID(RATR_INX_WIRELESS_MC); |
| |
| if (sta) { |
| sta_entry = (struct rtl_sta_info *) sta->drv_priv; |
| ratr_index = sta_entry->ratr_index; |
| } |
| if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { |
| if (mac->opmode == NL80211_IFTYPE_STATION) { |
| tcb_desc->ratr_index = 0; |
| } else if (mac->opmode == NL80211_IFTYPE_ADHOC || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
| if (tcb_desc->multicast || tcb_desc->broadcast) { |
| tcb_desc->hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; |
| tcb_desc->use_driver_rate = 1; |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_MC); |
| } else { |
| tcb_desc->ratr_index = ratr_index; |
| } |
| } else if (mac->opmode == NL80211_IFTYPE_AP) { |
| tcb_desc->ratr_index = ratr_index; |
| } |
| } |
| |
| if (rtlpriv->dm.useramask) { |
| tcb_desc->ratr_index = ratr_index; |
| /* TODO we will differentiate adhoc and station future */ |
| if (mac->opmode == NL80211_IFTYPE_STATION || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
| tcb_desc->mac_id = 0; |
| |
| if (sta && |
| (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) |
| ; /* use sta_entry->ratr_index */ |
| else if (mac->mode == WIRELESS_MODE_AC_5G) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); |
| else if (mac->mode == WIRELESS_MODE_AC_24G) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); |
| else if (mac->mode == WIRELESS_MODE_N_24G) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_NGB); |
| else if (mac->mode == WIRELESS_MODE_N_5G) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_NG); |
| else if (mac->mode & WIRELESS_MODE_G) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_GB); |
| else if (mac->mode & WIRELESS_MODE_B) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(RATR_INX_WIRELESS_B); |
| else if (mac->mode & WIRELESS_MODE_A) |
| tcb_desc->ratr_index = |
| SET_RATE_ID(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; |
| } |
| } |
| } |
| #undef SET_RATE_ID |
| } |
| |
| static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, |
| struct rtl_tcb_desc *tcb_desc) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| |
| tcb_desc->packet_bw = false; |
| if (!sta) |
| return; |
| if (mac->opmode == NL80211_IFTYPE_AP || |
| mac->opmode == NL80211_IFTYPE_ADHOC || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
| if (!(sta->ht_cap.ht_supported) || |
| !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) |
| return; |
| } else if (mac->opmode == NL80211_IFTYPE_STATION) { |
| if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) |
| return; |
| } |
| if (tcb_desc->multicast || tcb_desc->broadcast) |
| return; |
| |
| /*use legency rate, shall use 20MHz */ |
| if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) |
| return; |
| |
| tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; |
| |
| if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) { |
| if (mac->opmode == NL80211_IFTYPE_AP || |
| mac->opmode == NL80211_IFTYPE_ADHOC || |
| mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
| if (!(sta->vht_cap.vht_supported)) |
| return; |
| } else if (mac->opmode == NL80211_IFTYPE_STATION) { |
| if (!mac->bw_80 || |
| !(sta->vht_cap.vht_supported)) |
| return; |
| } |
| if (tcb_desc->hw_rate <= |
| rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) |
| return; |
| tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; |
| } |
| } |
| |
| static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_phy *rtlphy = &(rtlpriv->phy); |
| u8 hw_rate; |
| u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); |
| |
| if ((get_rf_type(rtlphy) == RF_2T2R) && |
| (tx_mcs_map & 0x000c) != 0x000c) { |
| if ((tx_mcs_map & 0x000c) >> 2 == |
| IEEE80211_VHT_MCS_SUPPORT_0_7) |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; |
| else if ((tx_mcs_map & 0x000c) >> 2 == |
| IEEE80211_VHT_MCS_SUPPORT_0_8) |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; |
| else |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; |
| } else { |
| if ((tx_mcs_map & 0x0003) == |
| IEEE80211_VHT_MCS_SUPPORT_0_7) |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; |
| else if ((tx_mcs_map & 0x0003) == |
| IEEE80211_VHT_MCS_SUPPORT_0_8) |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; |
| else |
| hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; |
| } |
| |
| return hw_rate; |
| } |
| |
| static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_phy *rtlphy = &rtlpriv->phy; |
| u8 hw_rate; |
| |
| if (get_rf_type(rtlphy) == RF_2T2R && |
| sta->ht_cap.mcs.rx_mask[1] != 0) |
| hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; |
| else |
| hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; |
| |
| return hw_rate; |
| } |
| |
| /* mac80211's rate_idx is like this: |
| * |
| * 2.4G band:rx_status->band == NL80211_BAND_2GHZ |
| * |
| * B/G rate: |
| * (rx_status->flag & RX_FLAG_HT) = 0, |
| * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, |
| * |
| * N rate: |
| * (rx_status->flag & RX_FLAG_HT) = 1, |
| * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 |
| * |
| * 5G band:rx_status->band == NL80211_BAND_5GHZ |
| * A rate: |
| * (rx_status->flag & RX_FLAG_HT) = 0, |
| * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, |
| * |
| * N rate: |
| * (rx_status->flag & RX_FLAG_HT) = 1, |
| * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 |
| * |
| * VHT rates: |
| * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 |
| * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 |
| */ |
| int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, |
| u8 desc_rate) |
| { |
| int rate_idx; |
| |
| if (isvht) { |
| switch (desc_rate) { |
| case DESC_RATEVHT1SS_MCS0: |
| rate_idx = 0; |
| break; |
| case DESC_RATEVHT1SS_MCS1: |
| rate_idx = 1; |
| break; |
| case DESC_RATEVHT1SS_MCS2: |
| rate_idx = 2; |
| break; |
| case DESC_RATEVHT1SS_MCS3: |
| rate_idx = 3; |
| break; |
| case DESC_RATEVHT1SS_MCS4: |
| rate_idx = 4; |
| break; |
| case DESC_RATEVHT1SS_MCS5: |
| rate_idx = 5; |
| break; |
| case DESC_RATEVHT1SS_MCS6: |
| rate_idx = 6; |
| break; |
| case DESC_RATEVHT1SS_MCS7: |
| rate_idx = 7; |
| break; |
| case DESC_RATEVHT1SS_MCS8: |
| rate_idx = 8; |
| break; |
| case DESC_RATEVHT1SS_MCS9: |
| rate_idx = 9; |
| break; |
| case DESC_RATEVHT2SS_MCS0: |
| rate_idx = 0; |
| break; |
| case DESC_RATEVHT2SS_MCS1: |
| rate_idx = 1; |
| break; |
| case DESC_RATEVHT2SS_MCS2: |
| rate_idx = 2; |
| break; |
| case DESC_RATEVHT2SS_MCS3: |
| rate_idx = 3; |
| break; |
| case DESC_RATEVHT2SS_MCS4: |
| rate_idx = 4; |
| break; |
| case DESC_RATEVHT2SS_MCS5: |
| rate_idx = 5; |
| break; |
| case DESC_RATEVHT2SS_MCS6: |
| rate_idx = 6; |
| break; |
| case DESC_RATEVHT2SS_MCS7: |
| rate_idx = 7; |
| break; |
| case DESC_RATEVHT2SS_MCS8: |
| rate_idx = 8; |
| break; |
| case DESC_RATEVHT2SS_MCS9: |
| rate_idx = 9; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| return rate_idx; |
| } |
| if (false == isht) { |
| if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { |
| switch (desc_rate) { |
| case DESC_RATE1M: |
| rate_idx = 0; |
| break; |
| case DESC_RATE2M: |
| rate_idx = 1; |
| break; |
| case DESC_RATE5_5M: |
| rate_idx = 2; |
| break; |
| case DESC_RATE11M: |
| rate_idx = 3; |
| break; |
| case DESC_RATE6M: |
| rate_idx = 4; |
| break; |
| case DESC_RATE9M: |
| rate_idx = 5; |
| break; |
| case DESC_RATE12M: |
| rate_idx = 6; |
| break; |
| case DESC_RATE18M: |
| rate_idx = 7; |
| break; |
| case DESC_RATE24M: |
| rate_idx = 8; |
| break; |
| case DESC_RATE36M: |
| rate_idx = 9; |
| break; |
| case DESC_RATE48M: |
| rate_idx = 10; |
| break; |
| case DESC_RATE54M: |
| rate_idx = 11; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } else { |
| switch (desc_rate) { |
| case DESC_RATE6M: |
| rate_idx = 0; |
| break; |
| case DESC_RATE9M: |
| rate_idx = 1; |
| break; |
| case DESC_RATE12M: |
| rate_idx = 2; |
| break; |
| case DESC_RATE18M: |
| rate_idx = 3; |
| break; |
| case DESC_RATE24M: |
| rate_idx = 4; |
| break; |
| case DESC_RATE36M: |
| rate_idx = 5; |
| break; |
| case DESC_RATE48M: |
| rate_idx = 6; |
| break; |
| case DESC_RATE54M: |
| rate_idx = 7; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } |
| } else { |
| switch (desc_rate) { |
| case DESC_RATEMCS0: |
| rate_idx = 0; |
| break; |
| case DESC_RATEMCS1: |
| rate_idx = 1; |
| break; |
| case DESC_RATEMCS2: |
| rate_idx = 2; |
| break; |
| case DESC_RATEMCS3: |
| rate_idx = 3; |
| break; |
| case DESC_RATEMCS4: |
| rate_idx = 4; |
| break; |
| case DESC_RATEMCS5: |
| rate_idx = 5; |
| break; |
| case DESC_RATEMCS6: |
| rate_idx = 6; |
| break; |
| case DESC_RATEMCS7: |
| rate_idx = 7; |
| break; |
| case DESC_RATEMCS8: |
| rate_idx = 8; |
| break; |
| case DESC_RATEMCS9: |
| rate_idx = 9; |
| break; |
| case DESC_RATEMCS10: |
| rate_idx = 10; |
| break; |
| case DESC_RATEMCS11: |
| rate_idx = 11; |
| break; |
| case DESC_RATEMCS12: |
| rate_idx = 12; |
| break; |
| case DESC_RATEMCS13: |
| rate_idx = 13; |
| break; |
| case DESC_RATEMCS14: |
| rate_idx = 14; |
| break; |
| case DESC_RATEMCS15: |
| rate_idx = 15; |
| break; |
| default: |
| rate_idx = 0; |
| break; |
| } |
| } |
| return rate_idx; |
| } |
| EXPORT_SYMBOL(rtlwifi_rate_mapping); |
| |
| static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, |
| struct ieee80211_tx_info *info) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct ieee80211_tx_rate *r = &info->status.rates[0]; |
| struct ieee80211_rate *txrate; |
| u8 hw_value = 0x0; |
| |
| if (r->flags & IEEE80211_TX_RC_MCS) { |
| /* HT MCS0-15 */ |
| hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + |
| r->idx; |
| } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { |
| /* VHT MCS0-9, NSS */ |
| if (ieee80211_rate_get_vht_nss(r) == 2) |
| hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; |
| else |
| hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; |
| |
| hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); |
| } else { |
| /* legacy */ |
| txrate = ieee80211_get_tx_rate(hw, info); |
| |
| if (txrate) |
| hw_value = txrate->hw_value; |
| } |
| |
| /* check 5G band */ |
| if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && |
| hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) |
| hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; |
| |
| return hw_value; |
| } |
| |
| void rtl_get_tcb_desc(struct ieee80211_hw *hw, |
| struct ieee80211_tx_info *info, |
| struct ieee80211_sta *sta, |
| struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) |
| { |
| #define SET_RATE_ID(rate_id) \ |
| ({typeof(rate_id) _id = rate_id; \ |
| ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ |
| rtl_mrate_idx_to_arfr_id(hw, _id, \ |
| (sta_entry ? sta_entry->wireless_mode : \ |
| WIRELESS_MODE_G)) : \ |
| _id); }) |
| |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); |
| struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
| struct rtl_sta_info *sta_entry = |
| (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); |
| |
| __le16 fc = rtl_get_fc(skb); |
| |
| tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); |
| |
| if (rtl_is_tx_report_skb(hw, skb)) |
| tcb_desc->use_spe_rpt = 1; |
| |
| if (ieee80211_is_data(fc)) { |
| /* |
| *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 = |
| SET_RATE_ID(RATR_INX_WIRELESS_MC); |
| |
| tcb_desc->disable_ratefallback = 1; |
| } else { |
| /* |
| *because hw will nerver use hw_rate |
| *when tcb_desc->use_driver_rate = false |
| *so we never set highest N rate here, |
| *and N rate will all be controlled by FW |
| *when tcb_desc->use_driver_rate = false |
| */ |
| if (sta && sta->vht_cap.vht_supported) { |
| tcb_desc->hw_rate = |
| _rtl_get_vht_highest_n_rate(hw, sta); |
| } else { |
| if (sta && sta->ht_cap.ht_supported) { |
| tcb_desc->hw_rate = |
| _rtl_get_highest_n_rate(hw, sta); |
| } else { |
| if (rtlmac->mode == WIRELESS_MODE_B) { |
| tcb_desc->hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; |
| } else { |
| tcb_desc->hw_rate = |
| rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; |
| } |
| } |
| } |
| } |
| |
| if (is_multicast_ether_addr(hdr->addr1)) |
| tcb_desc->multicast = 1; |
| else if (is_broadcast_ether_addr(hdr->addr1)) |
| tcb_desc->broadcast = 1; |
| |
| _rtl_txrate_selectmode(hw, sta, tcb_desc); |
| _rtl_query_bandwidth_mode(hw, sta, tcb_desc); |
| _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); |
| _rtl_query_shortgi(hw, sta, tcb_desc, info); |
| _rtl_query_protection_mode(hw, tcb_desc, info); |
| } else { |
| tcb_desc->use_driver_rate = true; |
| tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); |
| tcb_desc->disable_ratefallback = 1; |
| tcb_desc->mac_id = 0; |
| tcb_desc->packet_bw = false; |
| } |
| #undef SET_RATE_ID |
| } |
| EXPORT_SYMBOL(rtl_get_tcb_desc); |
| |
| bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| __le16 fc = rtl_get_fc(skb); |
| |
| if (rtlpriv->dm.supp_phymode_switch && |
| mac->link_state < MAC80211_LINKED && |
| (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { |
| if (rtlpriv->cfg->ops->chk_switch_dmdp) |
| rtlpriv->cfg->ops->chk_switch_dmdp(hw); |
| } |
| if (ieee80211_is_auth(fc)) { |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); |
| |
| mac->link_state = MAC80211_LINKING; |
| /* Dul mac */ |
| rtlpriv->phy.need_iqk = true; |
| |
| } |
| |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); |
| |
| struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, |
| u8 *bssid, u16 tid); |
| |
| static void process_agg_start(struct ieee80211_hw *hw, |
| struct ieee80211_hdr *hdr, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct ieee80211_rx_status rx_status = { 0 }; |
| struct sk_buff *skb_delba = NULL; |
| |
| skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); |
| if (skb_delba) { |
| rx_status.freq = hw->conf.chandef.chan->center_freq; |
| rx_status.band = hw->conf.chandef.chan->band; |
| rx_status.flag |= RX_FLAG_DECRYPTED; |
| rx_status.flag |= RX_FLAG_MACTIME_START; |
| rx_status.rate_idx = 0; |
| rx_status.signal = 50 + 10; |
| memcpy(IEEE80211_SKB_RXCB(skb_delba), |
| &rx_status, sizeof(rx_status)); |
| RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, |
| "fake del\n", |
| skb_delba->data, |
| skb_delba->len); |
| ieee80211_rx_irqsafe(hw, skb_delba); |
| } |
| } |
| |
| bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) |
| { |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| __le16 fc = rtl_get_fc(skb); |
| u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); |
| u8 category; |
| |
| if (!ieee80211_is_action(fc)) |
| return true; |
| |
| category = *act; |
| act++; |
| switch (category) { |
| case ACT_CAT_BA: |
| switch (*act) { |
| case ACT_ADDBAREQ: |
| if (mac->act_scanning) |
| return false; |
| |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "%s ACT_ADDBAREQ From :%pM\n", |
| is_tx ? "Tx" : "Rx", hdr->addr2); |
| RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", |
| skb->data, skb->len); |
| if (!is_tx) { |
| struct ieee80211_sta *sta = NULL; |
| struct rtl_sta_info *sta_entry = NULL; |
| struct rtl_tid_data *tid_data; |
| struct ieee80211_mgmt *mgmt = (void *)skb->data; |
| u16 capab = 0, tid = 0; |
| |
| rcu_read_lock(); |
| sta = rtl_find_sta(hw, hdr->addr3); |
| if (sta == NULL) { |
| RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, |
| DBG_DMESG, "sta is NULL\n"); |
| rcu_read_unlock(); |
| return true; |
| } |
| |
| sta_entry = |
| (struct rtl_sta_info *)sta->drv_priv; |
| if (!sta_entry) { |
| rcu_read_unlock(); |
| return true; |
| } |
| capab = |
| le16_to_cpu(mgmt->u.action.u.addba_req.capab); |
| tid = (capab & |
| IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; |
| if (tid >= MAX_TID_COUNT) { |
| rcu_read_unlock(); |
| return true; |
| } |
| tid_data = &sta_entry->tids[tid]; |
| if (tid_data->agg.rx_agg_state == |
| RTL_RX_AGG_START) |
| process_agg_start(hw, hdr, tid); |
| rcu_read_unlock(); |
| } |
| break; |
| case ACT_ADDBARSP: |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "%s ACT_ADDBARSP From :%pM\n", |
| is_tx ? "Tx" : "Rx", hdr->addr2); |
| break; |
| case ACT_DELBA: |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "ACT_ADDBADEL From :%pM\n", hdr->addr2); |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(rtl_action_proc); |
| |
| static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, |
| int type) |
| { |
| struct ieee80211_hw *hw = rtlpriv->hw; |
| |
| rtlpriv->ra.is_special_data = true; |
| if (rtlpriv->cfg->ops->get_btc_status()) |
| rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( |
| rtlpriv, type); |
| rtl_lps_leave(hw); |
| ppsc->last_delaylps_stamp_jiffies = jiffies; |
| } |
| |
| static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, |
| struct sk_buff *skb, bool is_enc) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); |
| u8 encrypt_header_len = 0; |
| u8 offset; |
| |
| switch (rtlpriv->sec.pairwise_enc_algorithm) { |
| case WEP40_ENCRYPTION: |
| case WEP104_ENCRYPTION: |
| encrypt_header_len = 4;/*WEP_IV_LEN*/ |
| break; |
| case TKIP_ENCRYPTION: |
| encrypt_header_len = 8;/*TKIP_IV_LEN*/ |
| break; |
| case AESCCMP_ENCRYPTION: |
| encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ |
| break; |
| default: |
| break; |
| } |
| |
| offset = mac_hdr_len + SNAP_SIZE; |
| if (is_enc) |
| offset += encrypt_header_len; |
| |
| return skb->data + offset; |
| } |
| |
| /*should call before software enc*/ |
| u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, |
| bool is_enc) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| __le16 fc = rtl_get_fc(skb); |
| u16 ether_type; |
| const u8 *ether_type_ptr; |
| const struct iphdr *ip; |
| |
| if (!ieee80211_is_data(fc)) |
| goto end; |
| |
| ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); |
| ether_type = be16_to_cpup((__be16 *)ether_type_ptr); |
| |
| if (ETH_P_IP == ether_type) { |
| ip = (struct iphdr *)((u8 *)ether_type_ptr + |
| PROTOC_TYPE_SIZE); |
| if (IPPROTO_UDP == ip->protocol) { |
| struct udphdr *udp = (struct udphdr *)((u8 *)ip + |
| (ip->ihl << 2)); |
| if (((((u8 *)udp)[1] == 68) && |
| (((u8 *)udp)[3] == 67)) || |
| ((((u8 *)udp)[1] == 67) && |
| (((u8 *)udp)[3] == 68))) { |
| /* 68 : UDP BOOTP client |
| * 67 : UDP BOOTP server |
| */ |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), |
| DBG_DMESG, "dhcp %s !!\n", |
| (is_tx) ? "Tx" : "Rx"); |
| |
| if (is_tx) |
| setup_special_tx(rtlpriv, ppsc, |
| PACKET_DHCP); |
| |
| return true; |
| } |
| } |
| } else if (ETH_P_ARP == ether_type) { |
| if (is_tx) |
| setup_special_tx(rtlpriv, ppsc, PACKET_ARP); |
| |
| return true; |
| } else if (ETH_P_PAE == ether_type) { |
| /* EAPOL is seens as in-4way */ |
| rtlpriv->btcoexist.btc_info.in_4way = true; |
| rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; |
| |
| RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, |
| "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); |
| |
| if (is_tx) { |
| rtlpriv->ra.is_special_data = true; |
| rtl_lps_leave(hw); |
| ppsc->last_delaylps_stamp_jiffies = jiffies; |
| |
| setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); |
| } |
| |
| return true; |
| } else if (ETH_P_IPV6 == ether_type) { |
| /* TODO: Handle any IPv6 cases that need special handling. |
| * For now, always return false |
| */ |
| goto end; |
| } |
| |
| end: |
| rtlpriv->ra.is_special_data = false; |
| return false; |
| } |
| EXPORT_SYMBOL_GPL(rtl_is_special_data); |
| |
| void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tx_report *tx_report = &rtlpriv->tx_report; |
| |
| __skb_queue_tail(&tx_report->queue, skb); |
| } |
| EXPORT_SYMBOL_GPL(rtl_tx_ackqueue); |
| |
| static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, |
| bool ack) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct ieee80211_tx_info *info; |
| |
| info = IEEE80211_SKB_CB(skb); |
| ieee80211_tx_info_clear_status(info); |
| if (ack) { |
| RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, |
| "tx report: ack\n"); |
| info->flags |= IEEE80211_TX_STAT_ACK; |
| } else { |
| RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, |
| "tx report: not ack\n"); |
| info->flags &= ~IEEE80211_TX_STAT_ACK; |
| } |
| ieee80211_tx_status_irqsafe(hw, skb); |
| } |
| |
| bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| u16 ether_type; |
| const u8 *ether_type_ptr; |
| __le16 fc = rtl_get_fc(skb); |
| |
| ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); |
| ether_type = be16_to_cpup((__be16 *)ether_type_ptr); |
| |
| if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc)) |
| return true; |
| |
| return false; |
| } |
| |
| static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, |
| struct rtlwifi_tx_info *tx_info) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tx_report *tx_report = &rtlpriv->tx_report; |
| u16 sn; |
| |
| /* SW_DEFINE[11:8] are reserved (driver fills zeros) |
| * SW_DEFINE[7:2] are used by driver |
| * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) |
| */ |
| sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; |
| |
| tx_report->last_sent_sn = sn; |
| tx_report->last_sent_time = jiffies; |
| tx_info->sn = sn; |
| tx_info->send_time = tx_report->last_sent_time; |
| RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, |
| "Send TX-Report sn=0x%X\n", sn); |
| |
| return sn; |
| } |
| |
| void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, |
| struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info) |
| { |
| if (ptcb_desc->use_spe_rpt) { |
| u16 sn = rtl_get_tx_report_sn(hw, tx_info); |
| |
| SET_TX_DESC_SPE_RPT(pdesc, 1); |
| SET_TX_DESC_SW_DEFINE(pdesc, sn); |
| } |
| } |
| EXPORT_SYMBOL_GPL(rtl_set_tx_report); |
| |
| void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tx_report *tx_report = &rtlpriv->tx_report; |
| struct rtlwifi_tx_info *tx_info; |
| struct sk_buff_head *queue = &tx_report->queue; |
| struct sk_buff *skb; |
| u16 sn; |
| u8 st, retry; |
| |
| if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { |
| sn = GET_TX_REPORT_SN_V2(tmp_buf); |
| st = GET_TX_REPORT_ST_V2(tmp_buf); |
| retry = GET_TX_REPORT_RETRY_V2(tmp_buf); |
| } else { |
| sn = GET_TX_REPORT_SN_V1(tmp_buf); |
| st = GET_TX_REPORT_ST_V1(tmp_buf); |
| retry = GET_TX_REPORT_RETRY_V1(tmp_buf); |
| } |
| |
| tx_report->last_recv_sn = sn; |
| |
| skb_queue_walk(queue, skb) { |
| tx_info = rtl_tx_skb_cb_info(skb); |
| if (tx_info->sn == sn) { |
| skb_unlink(skb, queue); |
| rtl_tx_status(hw, skb, st == 0); |
| break; |
| } |
| } |
| RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, |
| "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", |
| st, sn, retry); |
| } |
| EXPORT_SYMBOL_GPL(rtl_tx_report_handler); |
| |
| bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tx_report *tx_report = &rtlpriv->tx_report; |
| |
| if (tx_report->last_sent_sn == tx_report->last_recv_sn) |
| return true; |
| |
| if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { |
| RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, |
| "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", |
| tx_report->last_sent_sn, tx_report->last_recv_sn); |
| return true; /* 3 sec. (timeout) seen as acked */ |
| } |
| |
| return false; |
| } |
| |
| void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| int i; |
| |
| for (i = 0; i < wait_ms; i++) { |
| if (rtl_check_tx_report_acked(hw)) |
| break; |
| usleep_range(1000, 2000); |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, |
| "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); |
| } |
| } |
| |
| u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| enum wireless_mode wirelessmode, |
| struct ieee80211_tx_queue_params *param) |
| { |
| u32 reg = 0; |
| u8 sifstime = 10; |
| u8 slottime = 20; |
| |
| /* AIFS = AIFSN * slot time + SIFS */ |
| switch (wirelessmode) { |
| case WIRELESS_MODE_A: |
| case WIRELESS_MODE_N_24G: |
| case WIRELESS_MODE_N_5G: |
| case WIRELESS_MODE_AC_5G: |
| case WIRELESS_MODE_AC_24G: |
| sifstime = 16; |
| slottime = 9; |
| break; |
| case WIRELESS_MODE_G: |
| slottime = (vif->bss_conf.use_short_slot ? 9 : 20); |
| break; |
| default: |
| break; |
| } |
| |
| reg |= (param->txop & 0x7FF) << 16; |
| reg |= (fls(param->cw_max) & 0xF) << 12; |
| reg |= (fls(param->cw_min) & 0xF) << 8; |
| reg |= (param->aifs & 0x0F) * slottime + sifstime; |
| |
| return reg; |
| } |
| EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); |
| |
| /********************************************************* |
| * |
| * functions called by core.c |
| * |
| *********************************************************/ |
| int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, u16 tid, u16 *ssn) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tid_data *tid_data; |
| struct rtl_sta_info *sta_entry = NULL; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| if (unlikely(tid >= MAX_TID_COUNT)) |
| return -EINVAL; |
| |
| sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| if (!sta_entry) |
| return -ENXIO; |
| tid_data = &sta_entry->tids[tid]; |
| |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
| "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, |
| *ssn); |
| |
| tid_data->agg.agg_state = RTL_AGG_START; |
| |
| ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| return 0; |
| } |
| |
| int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_sta_info *sta_entry = NULL; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
| "on ra = %pM tid = %d\n", sta->addr, tid); |
| |
| if (unlikely(tid >= MAX_TID_COUNT)) |
| return -EINVAL; |
| |
| sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; |
| |
| ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| return 0; |
| } |
| |
| int rtl_rx_agg_start(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tid_data *tid_data; |
| struct rtl_sta_info *sta_entry = NULL; |
| u8 reject_agg; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| if (unlikely(tid >= MAX_TID_COUNT)) |
| return -EINVAL; |
| |
| if (rtlpriv->cfg->ops->get_btc_status()) { |
| rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, |
| &reject_agg, |
| NULL, NULL); |
| if (reject_agg) |
| return -EINVAL; |
| } |
| |
| sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| if (!sta_entry) |
| return -ENXIO; |
| tid_data = &sta_entry->tids[tid]; |
| |
| RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, |
| "on ra = %pM tid = %d\n", sta->addr, tid); |
| |
| tid_data->agg.rx_agg_state = RTL_RX_AGG_START; |
| return 0; |
| } |
| |
| int rtl_rx_agg_stop(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_sta_info *sta_entry = NULL; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
| "on ra = %pM tid = %d\n", sta->addr, tid); |
| |
| if (unlikely(tid >= MAX_TID_COUNT)) |
| return -EINVAL; |
| |
| sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; |
| |
| return 0; |
| } |
| int rtl_tx_agg_oper(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, u16 tid) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_sta_info *sta_entry = NULL; |
| |
| if (sta == NULL) |
| return -EINVAL; |
| |
| RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, |
| "on ra = %pM tid = %d\n", sta->addr, tid); |
| |
| if (unlikely(tid >= MAX_TID_COUNT)) |
| return -EINVAL; |
| |
| sta_entry = (struct rtl_sta_info *)sta->drv_priv; |
| sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; |
| |
| return 0; |
| } |
| |
| void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) |
| { |
| struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; |
| u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; |
| |
| if (rtlpriv->cfg->ops->get_btc_status()) |
| btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, |
| &ctrl_agg_size, &agg_size); |
| |
| RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, |
| "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", |
| reject_agg, ctrl_agg_size, agg_size); |
| |
| rtlpriv->hw->max_rx_aggregation_subframes = |
| (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT); |
| } |
| EXPORT_SYMBOL(rtl_rx_ampdu_apply); |
| |
| /********************************************************* |
| * |
| * 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); |
| |
| static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_bssid_entry *entry, *next; |
| |
| list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { |
| list_del(&entry->list); |
| kfree(entry); |
| rtlpriv->scan_list.num--; |
| } |
| } |
| |
| static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, |
| bool chk_timeout) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_tx_report *tx_report = &rtlpriv->tx_report; |
| struct sk_buff_head *queue = &tx_report->queue; |
| struct sk_buff *skb, *tmp; |
| struct rtlwifi_tx_info *tx_info; |
| |
| skb_queue_walk_safe(queue, skb, tmp) { |
| tx_info = rtl_tx_skb_cb_info(skb); |
| if (chk_timeout && |
| time_after(tx_info->send_time + HZ, jiffies)) |
| continue; |
| skb_unlink(skb, queue); |
| rtl_tx_status(hw, skb, false); |
| } |
| } |
| |
| void rtl_scan_list_expire(struct ieee80211_hw *hw) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_bssid_entry *entry, *next; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); |
| |
| list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { |
| /* 180 seconds */ |
| if (jiffies_to_msecs(jiffies - entry->age) < 180000) |
| continue; |
| |
| list_del(&entry->list); |
| rtlpriv->scan_list.num--; |
| |
| RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, |
| "BSSID=%pM is expire in scan list (total=%d)\n", |
| entry->bssid, rtlpriv->scan_list.num); |
| kfree(entry); |
| } |
| |
| spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); |
| |
| rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; |
| } |
| |
| void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| unsigned long flags; |
| |
| struct rtl_bssid_entry *entry; |
| bool entry_found = false; |
| |
| /* check if it is scanning */ |
| if (!mac->act_scanning) |
| return; |
| |
| /* check if this really is a beacon */ |
| if (!ieee80211_is_beacon(hdr->frame_control) && |
| !ieee80211_is_probe_resp(hdr->frame_control)) |
| return; |
| |
| spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); |
| |
| list_for_each_entry(entry, &rtlpriv->scan_list.list, list) { |
| if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) { |
| list_del_init(&entry->list); |
| entry_found = true; |
| RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, |
| "Update BSSID=%pM to scan list (total=%d)\n", |
| hdr->addr3, rtlpriv->scan_list.num); |
| break; |
| } |
| } |
| |
| if (!entry_found) { |
| entry = kmalloc(sizeof(*entry), GFP_ATOMIC); |
| |
| if (!entry) |
| goto label_err; |
| |
| memcpy(entry->bssid, hdr->addr3, ETH_ALEN); |
| rtlpriv->scan_list.num++; |
| |
| RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, |
| "Add BSSID=%pM to scan list (total=%d)\n", |
| hdr->addr3, rtlpriv->scan_list.num); |
| } |
| |
| entry->age = jiffies; |
| |
| list_add_tail(&entry->list, &rtlpriv->scan_list.list); |
| |
| label_err: |
| spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); |
| } |
| EXPORT_SYMBOL(rtl_collect_scan_list); |
| |
| void rtl_watchdog_wq_callback(void *data) |
| { |
| struct rtl_works *rtlworks = container_of_dwork_rtl(data, |
| struct rtl_works, |
| watchdog_wq); |
| struct ieee80211_hw *hw = rtlworks->hw; |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| bool busytraffic = false; |
| bool tx_busy_traffic = false; |
| bool rx_busy_traffic = false; |
| bool higher_busytraffic = false; |
| bool higher_busyrxtraffic = false; |
| u8 idx, tid; |
| u32 rx_cnt_inp4eriod = 0; |
| u32 tx_cnt_inp4eriod = 0; |
| u32 aver_rx_cnt_inperiod = 0; |
| u32 aver_tx_cnt_inperiod = 0; |
| u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; |
| u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; |
| |
| if (is_hal_stop(rtlhal)) |
| return; |
| |
| /* <1> Determine if action frame is allowed */ |
| if (mac->link_state > MAC80211_NOLINK) { |
| if (mac->cnt_after_linked < 20) |
| mac->cnt_after_linked++; |
| } else { |
| mac->cnt_after_linked = 0; |
| } |
| |
| /* <2> to check if traffic busy, if |
| * busytraffic we don't change channel |
| */ |
| if (mac->link_state >= MAC80211_LINKED) { |
| |
| /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ |
| for (idx = 0; idx <= 2; idx++) { |
| rtlpriv->link_info.num_rx_in4period[idx] = |
| rtlpriv->link_info.num_rx_in4period[idx + 1]; |
| rtlpriv->link_info.num_tx_in4period[idx] = |
| rtlpriv->link_info.num_tx_in4period[idx + 1]; |
| } |
| rtlpriv->link_info.num_rx_in4period[3] = |
| rtlpriv->link_info.num_rx_inperiod; |
| rtlpriv->link_info.num_tx_in4period[3] = |
| rtlpriv->link_info.num_tx_inperiod; |
| for (idx = 0; idx <= 3; idx++) { |
| rx_cnt_inp4eriod += |
| rtlpriv->link_info.num_rx_in4period[idx]; |
| tx_cnt_inp4eriod += |
| rtlpriv->link_info.num_tx_in4period[idx]; |
| } |
| aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; |
| aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; |
| |
| /* (2) check traffic busy */ |
| if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { |
| busytraffic = true; |
| if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) |
| rx_busy_traffic = true; |
| else |
| tx_busy_traffic = false; |
| } |
| |
| /* Higher Tx/Rx data. */ |
| if (aver_rx_cnt_inperiod > 4000 || |
| aver_tx_cnt_inperiod > 4000) { |
| higher_busytraffic = true; |
| |
| /* Extremely high Rx data. */ |
| if (aver_rx_cnt_inperiod > 5000) |
| higher_busyrxtraffic = true; |
| } |
| |
| /* check every tid's tx traffic */ |
| for (tid = 0; tid <= 7; tid++) { |
| for (idx = 0; idx <= 2; idx++) |
| rtlpriv->link_info.tidtx_in4period[tid][idx] = |
| rtlpriv->link_info.tidtx_in4period[tid] |
| [idx + 1]; |
| rtlpriv->link_info.tidtx_in4period[tid][3] = |
| rtlpriv->link_info.tidtx_inperiod[tid]; |
| |
| for (idx = 0; idx <= 3; idx++) |
| tidtx_inp4eriod[tid] += |
| rtlpriv->link_info.tidtx_in4period[tid][idx]; |
| aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; |
| if (aver_tidtx_inperiod[tid] > 5000) |
| rtlpriv->link_info.higher_busytxtraffic[tid] = |
| true; |
| else |
| rtlpriv->link_info.higher_busytxtraffic[tid] = |
| false; |
| } |
| |
| /* PS is controlled by coex. */ |
| if (rtlpriv->cfg->ops->get_btc_status() && |
| rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) |
| goto label_lps_done; |
| |
| if (rtlpriv->link_info.num_rx_inperiod + |
| rtlpriv->link_info.num_tx_inperiod > 8 || |
| rtlpriv->link_info.num_rx_inperiod > 2) |
| rtl_lps_leave(hw); |
| else |
| rtl_lps_enter(hw); |
| |
| label_lps_done: |
| ; |
| } |
| |
| rtlpriv->link_info.num_rx_inperiod = 0; |
| rtlpriv->link_info.num_tx_inperiod = 0; |
| for (tid = 0; tid <= 7; tid++) |
| rtlpriv->link_info.tidtx_inperiod[tid] = 0; |
| |
| rtlpriv->link_info.busytraffic = busytraffic; |
| rtlpriv->link_info.higher_busytraffic = higher_busytraffic; |
| rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; |
| rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; |
| rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; |
| |
| rtlpriv->stats.txbytesunicast_inperiod = |
| rtlpriv->stats.txbytesunicast - |
| rtlpriv->stats.txbytesunicast_last; |
| rtlpriv->stats.rxbytesunicast_inperiod = |
| rtlpriv->stats.rxbytesunicast - |
| rtlpriv->stats.rxbytesunicast_last; |
| rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; |
| rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; |
| |
| rtlpriv->stats.txbytesunicast_inperiod_tp = |
| (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / |
| 1024 / 1024); |
| rtlpriv->stats.rxbytesunicast_inperiod_tp = |
| (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / |
| 1024 / 1024); |
| |
| /* <3> DM */ |
| if (!rtlpriv->cfg->mod_params->disable_watchdog) |
| rtlpriv->cfg->ops->dm_watchdog(hw); |
| |
| /* <4> roaming */ |
| if (mac->link_state == MAC80211_LINKED && |
| mac->opmode == NL80211_IFTYPE_STATION) { |
| if ((rtlpriv->link_info.bcn_rx_inperiod + |
| rtlpriv->link_info.num_rx_inperiod) == 0) { |
| rtlpriv->link_info.roam_times++; |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, |
| "AP off for %d s\n", |
| (rtlpriv->link_info.roam_times * 2)); |
| |
| /* if we can't recv beacon for 10s, |
| * we should reconnect this AP |
| */ |
| if (rtlpriv->link_info.roam_times >= 5) { |
| pr_err("AP off, try to reconnect now\n"); |
| rtlpriv->link_info.roam_times = 0; |
| ieee80211_connection_loss( |
| rtlpriv->mac80211.vif); |
| } |
| } else { |
| rtlpriv->link_info.roam_times = 0; |
| } |
| } |
| |
| if (rtlpriv->cfg->ops->get_btc_status()) |
| rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); |
| |
| if (rtlpriv->btcoexist.btc_info.in_4way) { |
| if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + |
| msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) |
| rtlpriv->btcoexist.btc_info.in_4way = false; |
| } |
| |
| rtlpriv->link_info.bcn_rx_inperiod = 0; |
| |
| /* <6> scan list */ |
| rtl_scan_list_expire(hw); |
| |
| /* <7> check ack queue */ |
| rtl_free_entries_from_ack_queue(hw, true); |
| } |
| |
| void rtl_watch_dog_timer_callback(struct timer_list *t) |
| { |
| struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); |
| |
| queue_delayed_work(rtlpriv->works.rtl_wq, |
| &rtlpriv->works.watchdog_wq, 0); |
| |
| mod_timer(&rtlpriv->works.watchdog_timer, |
| jiffies + MSECS(RTL_WATCH_DOG_TIME)); |
| } |
| void rtl_fwevt_wq_callback(void *data) |
| { |
| struct rtl_works *rtlworks = |
| container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); |
| struct ieee80211_hw *hw = rtlworks->hw; |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| |
| rtlpriv->cfg->ops->c2h_command_handle(hw); |
| } |
| |
| static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, |
| struct sk_buff *skb); |
| |
| static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| u8 cmd_id = GET_C2H_CMD_ID(skb->data); |
| |
| switch (cmd_id) { |
| case C2H_BT_MP: |
| return true; |
| default: |
| break; |
| } |
| |
| return false; |
| } |
| |
| void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| unsigned long flags; |
| |
| if (rtl_c2h_fast_cmd(hw, skb)) { |
| rtl_c2h_content_parsing(hw, skb); |
| return; |
| } |
| |
| /* enqueue */ |
| spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); |
| |
| __skb_queue_tail(&rtlpriv->c2hcmd_queue, skb); |
| |
| spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); |
| |
| /* wake up wq */ |
| queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); |
| } |
| EXPORT_SYMBOL(rtl_c2hcmd_enqueue); |
| |
| static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, |
| struct sk_buff *skb) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops; |
| const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; |
| u8 cmd_id, cmd_seq, cmd_len; |
| u8 *cmd_buf = NULL; |
| |
| cmd_id = GET_C2H_CMD_ID(skb->data); |
| cmd_seq = GET_C2H_SEQ(skb->data); |
| cmd_len = skb->len - C2H_DATA_OFFSET; |
| cmd_buf = GET_C2H_DATA_PTR(skb->data); |
| |
| switch (cmd_id) { |
| case C2H_DBG: |
| RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); |
| break; |
| case C2H_TXBF: |
| RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, |
| "[C2H], C2H_TXBF!!\n"); |
| break; |
| case C2H_TX_REPORT: |
| rtl_tx_report_handler(hw, cmd_buf, cmd_len); |
| break; |
| case C2H_RA_RPT: |
| if (hal_ops->c2h_ra_report_handler) |
| hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); |
| break; |
| case C2H_BT_INFO: |
| RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, |
| "[C2H], C2H_BT_INFO!!\n"); |
| if (rtlpriv->cfg->ops->get_btc_status()) |
| btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); |
| break; |
| case C2H_BT_MP: |
| RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, |
| "[C2H], C2H_BT_MP!!\n"); |
| if (rtlpriv->cfg->ops->get_btc_status()) |
| btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); |
| break; |
| default: |
| RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, |
| "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); |
| break; |
| } |
| } |
| |
| void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct sk_buff *skb; |
| unsigned long flags; |
| int i; |
| |
| for (i = 0; i < 200; i++) { |
| /* dequeue a task */ |
| spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); |
| |
| skb = __skb_dequeue(&rtlpriv->c2hcmd_queue); |
| |
| spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); |
| |
| /* do it */ |
| if (!skb) |
| break; |
| |
| RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", |
| *((u8 *)skb->cb)); |
| RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, |
| "C2H data: ", skb->data, skb->len); |
| |
| if (exec) |
| rtl_c2h_content_parsing(hw, skb); |
| |
| /* free */ |
| dev_kfree_skb_any(skb); |
| } |
| } |
| |
| void rtl_c2hcmd_wq_callback(void *data) |
| { |
| struct rtl_works *rtlworks = container_of_dwork_rtl(data, |
| struct rtl_works, |
| c2hcmd_wq); |
| struct ieee80211_hw *hw = rtlworks->hw; |
| |
| rtl_c2hcmd_launcher(hw, 1); |
| } |
| |
| void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t) |
| { |
| struct rtl_priv *rtlpriv = |
| from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer); |
| struct ieee80211_hw *hw = rtlpriv->hw; |
| struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; |
| |
| if (buddy_priv == 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 = skb_put_zero(skb, 27); |
| memcpy(action_frame->da, da, ETH_ALEN); |
| memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); |
| memcpy(action_frame->bssid, bssid, ETH_ALEN); |
| action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| IEEE80211_STYPE_ACTION); |
| action_frame->u.action.category = WLAN_CATEGORY_HT; |
| action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; |
| switch (smps) { |
| case IEEE80211_SMPS_AUTOMATIC:/* 0 */ |
| case IEEE80211_SMPS_NUM_MODES:/* 4 */ |
| WARN_ON(1); |
| /* fall through */ |
| case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ |
| action_frame->u.action.u.ht_smps.smps_control = |
| WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ |
| break; |
| case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ |
| action_frame->u.action.u.ht_smps.smps_control = |
| WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ |
| break; |
| case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ |
| action_frame->u.action.u.ht_smps.smps_control = |
| WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ |
| break; |
| } |
| |
| return skb; |
| } |
| |
| int rtl_send_smps_action(struct ieee80211_hw *hw, |
| struct ieee80211_sta *sta, |
| enum ieee80211_smps_mode smps) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
| struct sk_buff *skb = NULL; |
| struct rtl_tcb_desc tcb_desc; |
| u8 bssid[ETH_ALEN] = {0}; |
| |
| memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
| |
| if (rtlpriv->mac80211.act_scanning) |
| goto err_free; |
| |
| if (!sta) |
| goto err_free; |
| |
| if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) |
| goto err_free; |
| |
| if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) |
| goto err_free; |
| |
| if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) |
| memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); |
| else |
| memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); |
| |
| skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); |
| /* this is a type = mgmt * stype = action frame */ |
| if (skb) { |
| struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| struct rtl_sta_info *sta_entry = |
| (struct rtl_sta_info *) sta->drv_priv; |
| sta_entry->mimo_ps = smps; |
| /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ |
| |
| info->control.rates[0].idx = 0; |
| info->band = hw->conf.chandef.chan->band; |
| rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); |
| } |
| return 1; |
| |
| err_free: |
| return 0; |
| } |
| 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: |
| pr_err("Unknown Scan Backup operation.\n"); |
| break; |
| } |
| } |
| } |
| EXPORT_SYMBOL(rtl_phy_scan_operation_backup); |
| |
| /* because mac80211 have issues when can receive del ba |
| * so here we just make a fake del_ba if we receive a ba_req |
| * but rx_agg was opened to let mac80211 release some ba |
| * related resources, so please this del_ba for tx |
| */ |
| struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, |
| u8 *sa, u8 *bssid, u16 tid) |
| { |
| struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); |
| struct sk_buff *skb; |
| struct ieee80211_mgmt *action_frame; |
| u16 params; |
| |
| /* 27 = header + category + action + smps mode */ |
| skb = dev_alloc_skb(34 + hw->extra_tx_headroom); |
| if (!skb) |
| return NULL; |
| |
| skb_reserve(skb, hw->extra_tx_headroom); |
| action_frame = skb_put_zero(skb, 34); |
| memcpy(action_frame->sa, sa, ETH_ALEN); |
| memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); |
| memcpy(action_frame->bssid, bssid, ETH_ALEN); |
| action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| IEEE80211_STYPE_ACTION); |
| action_frame->u.action.category = WLAN_CATEGORY_BACK; |
| action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; |
| params = (u16)(1 << 11); /* bit 11 initiator */ |
| params |= (u16)(tid << 12); /* bit 15:12 TID number */ |
| |
| action_frame->u.action.u.delba.params = cpu_to_le16(params); |
| action_frame->u.action.u.delba.reason_code = |
| cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); |
| |
| return skb; |
| } |
| |
| /********************************************************* |
| * |
| * IOT functions |
| * |
| *********************************************************/ |
| static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, |
| struct octet_string vendor_ie) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| bool matched = false; |
| static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; |
| static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; |
| static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; |
| static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; |
| static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; |
| static u8 racap[] = { 0x00, 0x0c, 0x43 }; |
| static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; |
| static u8 marvcap[] = { 0x00, 0x50, 0x43 }; |
| |
| if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || |
| memcmp(vendor_ie.octet, athcap_2, 3) == 0) { |
| rtlpriv->mac80211.vendor = PEER_ATH; |
| matched = true; |
| } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || |
| memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || |
| memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { |
| rtlpriv->mac80211.vendor = PEER_BROAD; |
| matched = true; |
| } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { |
| rtlpriv->mac80211.vendor = PEER_RAL; |
| matched = true; |
| } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { |
| rtlpriv->mac80211.vendor = PEER_CISCO; |
| matched = true; |
| } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { |
| rtlpriv->mac80211.vendor = PEER_MARV; |
| matched = true; |
| } |
| |
| return matched; |
| } |
| |
| static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, |
| unsigned int len) |
| { |
| struct ieee80211_mgmt *mgmt = (void *)data; |
| struct octet_string vendor_ie; |
| u8 *pos, *end; |
| |
| pos = (u8 *)mgmt->u.beacon.variable; |
| end = data + len; |
| while (pos < end) { |
| if (pos[0] == 221) { |
| vendor_ie.length = pos[1]; |
| vendor_ie.octet = &pos[2]; |
| if (rtl_chk_vendor_ouisub(hw, vendor_ie)) |
| return true; |
| } |
| |
| if (pos + 2 + pos[1] > end) |
| return false; |
| |
| pos += 2 + pos[1]; |
| } |
| return false; |
| } |
| |
| void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) |
| { |
| struct rtl_priv *rtlpriv = rtl_priv(hw); |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
| struct ieee80211_hdr *hdr = (void *)data; |
| u32 vendor = PEER_UNKNOWN; |
| |
| static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; |
| static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; |
| static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; |
| static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; |
| static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; |
| static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; |
| static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; |
| static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; |
| static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; |
| static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; |
| static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; |
| static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; |
| static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; |
| static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; |
| static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; |
| static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; |
| |
| if (mac->opmode != NL80211_IFTYPE_STATION) |
| return; |
| |
| if (mac->link_state == MAC80211_NOLINK) { |
| mac->vendor = PEER_UNKNOWN; |
| return; |
| } |
| |
| if (mac->cnt_after_linked > 2) |
| return; |
| |
| /* check if this really is a beacon */ |
| if (!ieee80211_is_beacon(hdr->frame_control)) |
| return; |
| |
| /* min. beacon length + FCS_LEN */ |
| if (len <= 40 + FCS_LEN) |
| return; |
| |
| /* and only beacons from the associated BSSID, please */ |
| if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) |
| return; |
| |
| if (rtl_find_221_ie(hw, data, len)) |
| vendor = mac->vendor; |
| |
| if ((memcmp(mac->bssid, ap5_1, 3) == 0) || |
| (memcmp(mac->bssid, ap5_2, 3) == 0) || |
| (memcmp(mac->bssid, ap5_3, 3) == 0) || |
| (memcmp(mac->bssid, ap5_4, 3) == 0) || |
| (memcmp(mac->bssid, ap5_5, 3) == 0) || |
| (memcmp(mac->bssid, ap5_6, 3) == 0) || |
| vendor == PEER_ATH) { |
| vendor = PEER_ATH; |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); |
| } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || |
| (memcmp(mac->bssid, ap4_5, 3) == 0) || |
| (memcmp(mac->bssid, ap4_1, 3) == 0) || |
| (memcmp(mac->bssid, ap4_2, 3) == 0) || |
| (memcmp(mac->bssid, ap4_3, 3) == 0) || |
| vendor == PEER_RAL) { |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); |
| vendor = PEER_RAL; |
| } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || |
| vendor == PEER_CISCO) { |
| vendor = PEER_CISCO; |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); |
| } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || |
| (memcmp(mac->bssid, ap3_2, 3) == 0) || |
| (memcmp(mac->bssid, ap3_3, 3) == 0) || |
| vendor == PEER_BROAD) { |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); |
| vendor = PEER_BROAD; |
| } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || |
| vendor == PEER_MARV) { |
| vendor = PEER_MARV; |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); |
| } |
| |
| mac->vendor = vendor; |
| } |
| EXPORT_SYMBOL_GPL(rtl_recognize_peer); |
| |
| 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) |
| { |
| BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION); |
| BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION); |
| BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION); |
| BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1)); |
| |
| if (rtl_rate_control_register()) |
| pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); |
| |
| /* add debugfs */ |
| rtl_debugfs_add_topdir(); |
| |
| /* init some global vars */ |
| INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); |
| spin_lock_init(&rtl_global_var.glb_list_lock); |
| |
| return 0; |
| } |
| |
| static void __exit rtl_core_module_exit(void) |
| { |
| /*RC*/ |
| rtl_rate_control_unregister(); |
| |
| /* remove debugfs */ |
| rtl_debugfs_remove_topdir(); |
| } |
| |
| module_init(rtl_core_module_init); |
| module_exit(rtl_core_module_exit); |