diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/base.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/base.c | 1497 |
1 files changed, 1226 insertions, 271 deletions
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index cf0b73e51fc..93bb384eb00 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009-2010 Realtek Corporation. + * 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 @@ -27,7 +27,6 @@ * *****************************************************************************/ -#include <linux/ip.h> #include "wifi.h" #include "rc.h" #include "base.h" @@ -36,11 +35,15 @@ #include "ps.h" #include "regd.h" +#include <linux/ip.h> +#include <linux/module.h> +#include <linux/udp.h> + /* - *NOTICE!!!: This file will be very big, we hsould - *keep it clear under follwing roles: + *NOTICE!!!: This file will be very big, we should + *keep it clear under following roles: * - *This file include follwing part, so, if you add new + *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: @@ -50,8 +53,10 @@ *3) functions called by core.c *4) wq & timer callback functions *5) frame process functions - *6) sysfs functions - *7) ... + *6) IOT functions + *7) sysfs functions + *8) vif functions + *9) ... */ /********************************************************* @@ -59,7 +64,7 @@ * mac80211 init functions * *********************************************************/ -static struct ieee80211_channel rtl_channeltable[] = { +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,}, @@ -76,7 +81,34 @@ static struct ieee80211_channel rtl_channeltable[] = { {.center_freq = 2484, .hw_value = 14,}, }; -static struct ieee80211_rate rtl_ratetable[] = { +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,}, @@ -91,18 +123,58 @@ static struct ieee80211_rate rtl_ratetable[] = { {.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, - .n_channels = ARRAY_SIZE(rtl_channeltable), + .channels = rtl_channeltable_2g, + .n_channels = ARRAY_SIZE(rtl_channeltable_2g), - .bitrates = rtl_ratetable, - .n_bitrates = ARRAY_SIZE(rtl_ratetable), + .bitrates = rtl_ratetable_2g, + .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), .ht_cap = {0}, }; +static struct ieee80211_supported_band rtl_band_5ghz = { + .band = IEEE80211_BAND_5GHZ, + + .channels = rtl_channeltable_5g, + .n_channels = ARRAY_SIZE(rtl_channeltable_5g), + + .bitrates = rtl_ratetable_5g, + .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), + + .ht_cap = {0}, +}; + +static const u8 tid_to_ac[] = { + 2, /* IEEE80211_AC_BE */ + 3, /* IEEE80211_AC_BK */ + 3, /* IEEE80211_AC_BK */ + 2, /* IEEE80211_AC_BE */ + 1, /* IEEE80211_AC_VI */ + 1, /* IEEE80211_AC_VI */ + 0, /* IEEE80211_AC_VO */ + 0, /* IEEE80211_AC_VO */ +}; + +u8 rtl_tid_to_ac(u8 tid) +{ + return tid_to_ac[tid]; +} +EXPORT_SYMBOL_GPL(rtl_tid_to_ac); + static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, struct ieee80211_sta_ht_cap *ht_cap) { @@ -115,6 +187,9 @@ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, 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) @@ -126,71 +201,151 @@ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; - /* - *hw->wiphy->bands[IEEE80211_BAND_2GHZ] + /*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; + *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 (get_rf_type(rtlphy) == RF_1T2R || get_rf_type(rtlphy) == RF_2T2R) { + if (rtlpriv->dm.supp_phymode_switch) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n")); + 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 = 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 = MAX_BIT_RATE_40MHZ_MCS7; + 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; - /* <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)); + 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; - /* <3> init ht cap base on ant_num */ - _rtl_init_hw_ht_capab(hw, &sband->ht_cap); + /* 2: 5 G bands */ + /* <1> use mac->bands as mem for hw->wiphy->bands */ + sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); - /* <4> set mac->sband to wiphy->sband */ - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; + /* <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_BEACON_FILTER | IEEE80211_HW_AMPDU_AGGREGATION | /*PS*/ - /*IEEE80211_HW_SUPPORTS_PS | */ - /*IEEE80211_HW_PS_NULLFUNC_STACK | */ - /*IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */ + 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; - hw->wiphy->interface_modes = - BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); + /* 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; @@ -198,18 +353,18 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw) /* TODO: Correct this value for our hw */ /* TODO: define these hard code value */ - hw->channel_change_time = 100; - hw->max_listen_interval = 5; + 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 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; - get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1); - SET_IEEE80211_PERM_ADDR(hw, rtlmac); + u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; + get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); + SET_IEEE80211_PERM_ADDR(hw, rtlmac1); } } @@ -219,17 +374,24 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); /* <1> timer */ - init_timer(&rtlpriv->works.watchdog_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(rtlpriv->cfg->name, 0, 0); + 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); } @@ -241,7 +403,11 @@ void rtl_deinit_deferred_work(struct ieee80211_hw *hw) cancel_delayed_work(&rtlpriv->works.watchdog_wq); cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); + cancel_delayed_work(&rtlpriv->works.ps_work); + cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); + cancel_delayed_work(&rtlpriv->works.fwevt_wq); } +EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); void rtl_init_rfkill(struct ieee80211_hw *hw) { @@ -251,14 +417,16 @@ void rtl_init_rfkill(struct ieee80211_hw *hw) bool blocked; u8 valid = 0; - radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); + /*set init state to on */ + rtlpriv->rfkill.rfkill_state = true; + wiphy_rfkill_set_hw_state(hw->wiphy, 0); - /*set init state to that of switch */ - rtlpriv->rfkill.rfkill_state = radio_state; - printk(KERN_INFO "rtlwifi: wireless switch is %s\n", - rtlpriv->rfkill.rfkill_state ? "on" : "off"); + 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; @@ -267,11 +435,13 @@ void rtl_init_rfkill(struct ieee80211_hw *hw) 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) { @@ -283,51 +453,51 @@ int rtl_init_core(struct ieee80211_hw *hw) rtlmac->hw = hw; /* <2> rate control register */ - if (rtl_rate_control_register()) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - ("rtl: Unable to register rtl_rc," - "use default RC !!\n")); - } else { - hw->rate_control_algorithm = "rtl_rc"; - } + 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")); + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n"); return 1; - } else { - /* CRDA regd hint must after init CRDA */ - if (regulatory_hint(hw->wiphy, rtlpriv->regd.alpha2)) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - ("regulatory_hint fail\n")); - } } /* <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; - /* <5> init deferred work */ + /* <6> init deferred work */ _rtl_init_deferred_work(hw); return 0; } +EXPORT_SYMBOL_GPL(rtl_init_core); void rtl_deinit_core(struct ieee80211_hw *hw) { - /*RC*/ - rtl_rate_control_unregister(); } +EXPORT_SYMBOL_GPL(rtl_deinit_core); void rtl_init_rx_config(struct ieee80211_hw *hw) { @@ -335,13 +505,8 @@ void rtl_init_rx_config(struct ieee80211_hw *hw) struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MGT_FILTER, - (u8 *) (&mac->rx_mgt_filter)); - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CTRL_FILTER, - (u8 *) (&mac->rx_ctrl_filter)); - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_DATA_FILTER, - (u8 *) (&mac->rx_data_filter)); } +EXPORT_SYMBOL_GPL(rtl_init_rx_config); /********************************************************* * @@ -367,28 +532,41 @@ static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, } 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 (!mac->ht_enable) + if (sta == NULL) return; - if (!mac->sgi_40 && !mac->sgi_20) + 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->bw_40 == true) && mac->sgi_40) + 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 ((mac->bw_40 == false) && mac->sgi_20) + 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, @@ -399,81 +577,114 @@ static void _rtl_query_protection_mode(struct ieee80211_hw *hw, u8 rate_flag = info->control.rates[0].flags; /* Common Settings */ - tcb_desc->b_rts_stbc = false; - tcb_desc->b_cts_enable = false; + tcb_desc->rts_stbc = false; + tcb_desc->cts_enable = false; tcb_desc->rts_sc = 0; - tcb_desc->b_rts_bw = false; - tcb_desc->b_rts_use_shortpreamble = false; - tcb_desc->b_rts_use_shortgi = false; + 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->b_rts_enable = true; - tcb_desc->b_cts_enable = true; + 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->b_rts_enable = true; + 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) + if (mac->opmode == NL80211_IFTYPE_STATION) { tcb_desc->ratr_index = 0; - else if (mac->opmode == NL80211_IFTYPE_ADHOC) { - if (tcb_desc->b_multicast || tcb_desc->b_broadcast) { + } 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 { - /* TODO */ + tcb_desc->ratr_index = ratr_index; } + } else if (mac->opmode == NL80211_IFTYPE_AP) { + tcb_desc->ratr_index = ratr_index; } } - if (rtlpriv->dm.b_useramask) { - /* TODO we will differentiate adhoc and station futrue */ - tcb_desc->mac_id = 0; - - if ((mac->mode == WIRELESS_MODE_N_24G) || - (mac->mode == WIRELESS_MODE_N_5G)) { - tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; - } 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; + 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->b_packet_bw = false; - - if (!mac->bw_40 || !mac->ht_enable) + tcb_desc->packet_bw = false; + if (!sta) return; - - if (tcb_desc->b_multicast || tcb_desc->b_broadcast) + 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->b_packet_bw = true; + tcb_desc->packet_bw = true; } static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) @@ -490,24 +701,212 @@ static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) return hw_rate; } +/* mac80211's rate_idx is like this: + * + * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ + * + * B/G rate: + * (rx_status->flag & RX_FLAG_HT) = 0, + * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, + * + * N rate: + * (rx_status->flag & RX_FLAG_HT) = 1, + * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 + * + * 5G band:rx_status->band == IEEE80211_BAND_5GHZ + * A rate: + * (rx_status->flag & RX_FLAG_HT) = 0, + * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, + * + * N rate: + * (rx_status->flag & RX_FLAG_HT) = 1, + * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 + */ +int rtlwifi_rate_mapping(struct ieee80211_hw *hw, + bool isht, u8 desc_rate, bool first_ampdu) +{ + int rate_idx; + + if (false == isht) { + if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { + switch (desc_rate) { + case DESC92_RATE1M: + rate_idx = 0; + break; + case DESC92_RATE2M: + rate_idx = 1; + break; + case DESC92_RATE5_5M: + rate_idx = 2; + break; + case DESC92_RATE11M: + rate_idx = 3; + break; + case DESC92_RATE6M: + rate_idx = 4; + break; + case DESC92_RATE9M: + rate_idx = 5; + break; + case DESC92_RATE12M: + rate_idx = 6; + break; + case DESC92_RATE18M: + rate_idx = 7; + break; + case DESC92_RATE24M: + rate_idx = 8; + break; + case DESC92_RATE36M: + rate_idx = 9; + break; + case DESC92_RATE48M: + rate_idx = 10; + break; + case DESC92_RATE54M: + rate_idx = 11; + break; + default: + rate_idx = 0; + break; + } + } else { + switch (desc_rate) { + case DESC92_RATE6M: + rate_idx = 0; + break; + case DESC92_RATE9M: + rate_idx = 1; + break; + case DESC92_RATE12M: + rate_idx = 2; + break; + case DESC92_RATE18M: + rate_idx = 3; + break; + case DESC92_RATE24M: + rate_idx = 4; + break; + case DESC92_RATE36M: + rate_idx = 5; + break; + case DESC92_RATE48M: + rate_idx = 6; + break; + case DESC92_RATE54M: + rate_idx = 7; + break; + default: + rate_idx = 0; + break; + } + } + + } else { + + switch (desc_rate) { + case DESC92_RATEMCS0: + rate_idx = 0; + break; + case DESC92_RATEMCS1: + rate_idx = 1; + break; + case DESC92_RATEMCS2: + rate_idx = 2; + break; + case DESC92_RATEMCS3: + rate_idx = 3; + break; + case DESC92_RATEMCS4: + rate_idx = 4; + break; + case DESC92_RATEMCS5: + rate_idx = 5; + break; + case DESC92_RATEMCS6: + rate_idx = 6; + break; + case DESC92_RATEMCS7: + rate_idx = 7; + break; + case DESC92_RATEMCS8: + rate_idx = 8; + break; + case DESC92_RATEMCS9: + rate_idx = 9; + break; + case DESC92_RATEMCS10: + rate_idx = 10; + break; + case DESC92_RATEMCS11: + rate_idx = 11; + break; + case DESC92_RATEMCS12: + rate_idx = 12; + break; + case DESC92_RATEMCS13: + rate_idx = 13; + break; + case DESC92_RATEMCS14: + rate_idx = 14; + break; + case DESC92_RATEMCS15: + rate_idx = 15; + break; + default: + rate_idx = 0; + break; + } + } + return rate_idx; +} +EXPORT_SYMBOL(rtlwifi_rate_mapping); + +bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + __le16 fc = rtl_get_fc(skb); + + if (rtlpriv->dm.supp_phymode_switch && + mac->link_state < MAC80211_LINKED && + (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { + if (rtlpriv->cfg->ops->chk_switch_dmdp) + rtlpriv->cfg->ops->chk_switch_dmdp(hw); + } + if (ieee80211_is_auth(fc)) { + RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); + rtl_ips_nic_on(hw); + + mac->link_state = MAC80211_LINKING; + /* Dual mac */ + rtlpriv->phy.need_iqk = true; + } + + return true; +} +EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); + void rtl_get_tcb_desc(struct ieee80211_hw *hw, struct ieee80211_tx_info *info, + struct ieee80211_sta *sta, struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); + struct ieee80211_hdr *hdr = rtl_get_hdr(skb); struct ieee80211_rate *txrate; - u16 fc = le16_to_cpu(hdr->frame_control); + __le16 fc = hdr->frame_control; - memset(tcb_desc, 0, sizeof(struct rtl_tcb_desc)); - - if (ieee80211_is_data(fc)) { - txrate = ieee80211_get_tx_rate(hw, info); + 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 RTL_RC_CCK_RATE1M + *we set data rate INX 0 *in rtl_rc.c if skb is special data or *mgt which need low data rate. */ @@ -516,22 +915,21 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw, *So tcb_desc->hw_rate is just used for *special data and mgt frames */ - if (tcb_desc->hw_rate < rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]) { + if (info->control.rates[0].idx == 0 || + ieee80211_is_nullfunc(fc)) { tcb_desc->use_driver_rate = true; - tcb_desc->ratr_index = 7; + tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; - tcb_desc->hw_rate = - rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]; 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 controled by FW + *and N rate will all be controlled by FW *when tcb_desc->use_driver_rate = false */ - if (rtlmac->ht_enable) { + if (sta && (sta->ht_cap.ht_supported)) { tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw); } else { if (rtlmac->mode == WIRELESS_MODE_B) { @@ -545,50 +943,82 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw, } if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) - tcb_desc->b_multicast = 1; + tcb_desc->multicast = 1; else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) - tcb_desc->b_broadcast = 1; + tcb_desc->broadcast = 1; - _rtl_txrate_selectmode(hw, tcb_desc); - _rtl_query_bandwidth_mode(hw, tcb_desc); + _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, 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 = 7; + tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; tcb_desc->disable_ratefallback = 1; tcb_desc->mac_id = 0; - - tcb_desc->hw_rate = rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]; + tcb_desc->packet_bw = false; } } EXPORT_SYMBOL(rtl_get_tcb_desc); -bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) +static bool addbareq_rx(struct ieee80211_hw *hw, struct sk_buff *skb) { - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_priv *rtlpriv = rtl_priv(hw); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); - u16 fc = le16_to_cpu(hdr->frame_control); - - 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; + 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; } - 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 = (struct ieee80211_hdr *)(skb->data); + struct ieee80211_hdr *hdr = rtl_get_hdr(skb); struct rtl_priv *rtlpriv = rtl_priv(hw); - u16 fc = le16_to_cpu(hdr->frame_control); - u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN)); + __le16 fc = hdr->frame_control; + u8 *act = (u8 *)skb->data + MAC80211_3ADDR_LEN; u8 category; if (!ieee80211_is_action(fc)) @@ -604,18 +1034,22 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) return false; RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, - ("%s ACT_ADDBAREQ From :" MAC_FMT "\n", - is_tx ? "Tx" : "Rx", MAC_ARG(hdr->addr2))); + "%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 :" MAC_FMT "\n", - is_tx ? "Tx" : "Rx", MAC_ARG(hdr->addr2))); + "%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 :" MAC_FMT "\n", - MAC_ARG(hdr->addr2))); + "ACT_ADDBADEL From :%pM\n", hdr->addr2); break; } break; @@ -625,139 +1059,208 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) return true; } +EXPORT_SYMBOL_GPL(rtl_action_proc); /*should call before software enc*/ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) { struct rtl_priv *rtlpriv = rtl_priv(hw); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - u16 fc = le16_to_cpu(hdr->frame_control); + __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)) - goto end; - - if (ieee80211_is_nullfunc(fc)) - return true; - - 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) { - rtl_lps_leave(hw); - ppsc->last_delaylps_stamp_jiffies = - jiffies; - } - - return true; - } - } - } else if (ETH_P_ARP == ether_type) { - if (is_tx) { - rtl_lps_leave(hw); - ppsc->last_delaylps_stamp_jiffies = jiffies; - } + return false; + + ip = (const struct iphdr *)(skb->data + mac_hdr_len + + SNAP_SIZE + PROTOC_TYPE_SIZE); + ether_type = be16_to_cpup((__be16 *) + (skb->data + mac_hdr_len + SNAP_SIZE)); + + switch (ether_type) { + case ETH_P_IP: { + struct udphdr *udp; + u16 src; + u16 dst; + + if (ip->protocol != IPPROTO_UDP) + return false; + udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); + src = be16_to_cpu(udp->source); + dst = be16_to_cpu(udp->dest); + + /* If this case involves port 68 (UDP BOOTP client) connecting + * with port 67 (UDP BOOTP server), then return true so that + * the lowest speed is used. + */ + if (!((src == 68 && dst == 67) || (src == 67 && dst == 68))) + return false; - 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) { - rtl_lps_leave(hw); - ppsc->last_delaylps_stamp_jiffies = jiffies; - } - - return true; - } else if (0x86DD == ether_type) { - return true; + "dhcp %s !!\n", is_tx ? "Tx" : "Rx"); + break; } - -end: - return false; + case ETH_P_ARP: + break; + case ETH_P_PAE: + RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, + "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx"); + break; + case ETH_P_IPV6: + /* TODO: Is this right? */ + return false; + default: + return false; + } + if (is_tx) { + rtlpriv->enter_ps = false; + schedule_work(&rtlpriv->works.lps_change_work); + ppsc->last_delaylps_stamp_jiffies = jiffies; + } + return true; } +EXPORT_SYMBOL_GPL(rtl_is_special_data); /********************************************************* * * functions called by core.c * *********************************************************/ -int rtl_tx_agg_start(struct ieee80211_hw *hw, const u8 *ra, u16 tid, u16 *ssn) +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; - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - ("on ra = %pM tid = %d\n", ra, tid)); + if (sta == NULL) + return -EINVAL; if (unlikely(tid >= MAX_TID_COUNT)) return -EINVAL; - if (mac->tids[tid].agg.agg_state != RTL_AGG_OFF) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - ("Start AGG when state is not RTL_AGG_OFF !\n")); + sta_entry = (struct rtl_sta_info *)sta->drv_priv; + if (!sta_entry) return -ENXIO; - } + tid_data = &sta_entry->tids[tid]; - tid_data = &mac->tids[tid]; - *ssn = SEQ_TO_SN(tid_data->seq_number); + RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d seq:%d\n", + sta->addr, tid, tid_data->seq_number); - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - ("HW queue is empty tid:%d\n", tid)); - tid_data->agg.agg_state = RTL_AGG_ON; + *ssn = tid_data->seq_number; + tid_data->agg.agg_state = RTL_AGG_START; - ieee80211_start_tx_ba_cb_irqsafe(mac->vif, ra, tid); + ieee80211_start_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid); return 0; } -int rtl_tx_agg_stop(struct ieee80211_hw *hw, const u8 * ra, u16 tid) +int rtl_tx_agg_stop(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, u16 tid) { - int ssn = -1; 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 (!ra) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("ra = NULL\n")); + 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; - if (mac->tids[tid].agg.agg_state != RTL_AGG_ON) - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - ("Stopping AGG while state not ON or starting\n")); + 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; + } - tid_data = &mac->tids[tid]; - ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4; + RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n", + sta->addr, tid); - mac->tids[tid].agg.agg_state = RTL_AGG_OFF; + if (unlikely(tid >= MAX_TID_COUNT)) + return -EINVAL; - ieee80211_stop_tx_ba_cb_irqsafe(mac->vif, ra, tid); + sta_entry = (struct rtl_sta_info *)sta->drv_priv; + sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; return 0; } @@ -767,6 +1270,35 @@ int rtl_tx_agg_stop(struct ieee80211_hw *hw, const u8 * ra, u16 tid) * 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_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) + return; + + rtlpriv->link_info.bcn_rx_inperiod++; +} +EXPORT_SYMBOL_GPL(rtl_beacon_statistic); + void rtl_watchdog_wq_callback(void *data) { struct rtl_works *rtlworks = container_of_dwork_rtl(data, @@ -776,19 +1308,18 @@ void rtl_watchdog_wq_callback(void *data) 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 b_busytraffic = false; - bool b_higher_busytraffic = false; - bool b_higher_busyrxtraffic = false; - bool b_higher_busytxtraffic = false; - - u8 idx = 0; + 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; - - bool benter_ps = false; + u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; + u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; if (is_hal_stop(rtlhal)) return; @@ -801,11 +1332,8 @@ void rtl_watchdog_wq_callback(void *data) mac->cnt_after_linked = 0; } - /* <2> DM */ - rtlpriv->cfg->ops->dm_watchdog(hw); - /* - *<3> to check if traffic busy, if + *<2> to check if traffic busy, if * busytraffic we don't change channel */ if (mac->link_state >= MAC80211_LINKED) { @@ -831,42 +1359,95 @@ void rtl_watchdog_wq_callback(void *data) aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; /* (2) check traffic busy */ - if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) - b_busytraffic = true; + 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) { - b_higher_busytraffic = true; + higher_busytraffic = true; /* Extremely high Rx data. */ if (aver_rx_cnt_inperiod > 5000) - b_higher_busyrxtraffic = true; + 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 - b_higher_busytxtraffic = false; + 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)) - benter_ps = false; + rtlpriv->enter_ps = true; else - benter_ps = true; + rtlpriv->enter_ps = false; /* LeisurePS only work in infra mode. */ - if (benter_ps) - rtl_lps_enter(hw); - else - rtl_lps_leave(hw); + 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.b_busytraffic = b_busytraffic; - rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic; - rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic; + 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) && + !is_zero_ether_addr(rtlpriv->mac80211.bssid)) { + 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) @@ -881,6 +1462,367 @@ void rtl_watch_dog_timer_callback(unsigned long data) jiffies + MSECS(RTL_WATCH_DOG_TIME)); } +void rtl_fwevt_wq_callback(void *data) +{ + struct rtl_works *rtlworks = + container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); + struct ieee80211_hw *hw = rtlworks->hw; + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->cfg->ops->c2h_command_handle(hw); +} + +void rtl_easy_concurrent_retrytimer_callback(unsigned long data) +{ + struct ieee80211_hw *hw = (struct ieee80211_hw *)data; + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; + + if (buddy_priv == NULL) + return; + + rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); +} + +/********************************************************* + * + * frame process functions + * + *********************************************************/ +u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) +{ + struct ieee80211_mgmt *mgmt = (void *)data; + u8 *pos, *end; + + pos = (u8 *)mgmt->u.beacon.variable; + end = data + len; + while (pos < end) { + if (pos + 2 + pos[1] > end) + return NULL; + + if (pos[0] == ie) + return pos; + + pos += 2 + pos[1]; + } + return NULL; +} + +/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ +/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ +static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, + enum ieee80211_smps_mode smps, u8 *da, u8 *bssid) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct sk_buff *skb; + struct ieee80211_mgmt *action_frame; + + /* 27 = header + category + action + smps mode */ + skb = dev_alloc_skb(27 + hw->extra_tx_headroom); + if (!skb) + return NULL; + + skb_reserve(skb, hw->extra_tx_headroom); + action_frame = (void *)skb_put(skb, 27); + memset(action_frame, 0, 27); + memcpy(action_frame->da, da, ETH_ALEN); + memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); + memcpy(action_frame->bssid, bssid, ETH_ALEN); + action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); + action_frame->u.action.category = WLAN_CATEGORY_HT; + action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; + switch (smps) { + case IEEE80211_SMPS_AUTOMATIC:/* 0 */ + case IEEE80211_SMPS_NUM_MODES:/* 4 */ + WARN_ON(1); + case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ + action_frame->u.action.u.ht_smps.smps_control = + WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ + break; + case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ + action_frame->u.action.u.ht_smps.smps_control = + WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ + break; + case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ + action_frame->u.action.u.ht_smps.smps_control = + WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ + break; + } + + return skb; +} + +int rtl_send_smps_action(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, + enum ieee80211_smps_mode smps) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + struct sk_buff *skb = NULL; + struct rtl_tcb_desc tcb_desc; + u8 bssid[ETH_ALEN] = {0}; + + memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); + + if (rtlpriv->mac80211.act_scanning) + goto err_free; + + if (!sta) + goto err_free; + + if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) + goto err_free; + + if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) + goto err_free; + + if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) + memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); + else + memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); + + skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); + /* this is a type = mgmt * stype = action frame */ + if (skb) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct rtl_sta_info *sta_entry = + (struct rtl_sta_info *) sta->drv_priv; + sta_entry->mimo_ps = smps; + + info->control.rates[0].idx = 0; + info->band = hw->conf.chandef.chan->band; + rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); + } + return 1; + +err_free: + return 0; +} +EXPORT_SYMBOL(rtl_send_smps_action); + +void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + enum io_type iotype; + + if (!is_hal_stop(rtlhal)) { + switch (operation) { + case SCAN_OPT_BACKUP: + iotype = IO_CMD_PAUSE_DM_BY_SCAN; + rtlpriv->cfg->ops->set_hw_reg(hw, + HW_VAR_IO_CMD, + (u8 *)&iotype); + break; + case SCAN_OPT_RESTORE: + iotype = IO_CMD_RESUME_DM_BY_SCAN; + rtlpriv->cfg->ops->set_hw_reg(hw, + HW_VAR_IO_CMD, + (u8 *)&iotype); + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + "Unknown Scan Backup operation.\n"); + break; + } + } +} +EXPORT_SYMBOL(rtl_phy_scan_operation_backup); + +/* There seem to be issues in mac80211 regarding when del ba frames can be + * received. As a work around, we make a fake del_ba if we receive a ba_req; + * however, rx_agg was opened to let mac80211 release some ba related + * resources. This del_ba is for tx only. + */ +struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, + u8 *sa, u8 *bssid, u16 tid) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct sk_buff *skb; + struct ieee80211_mgmt *action_frame; + u16 params; + + /* 27 = header + category + action + smps mode */ + skb = dev_alloc_skb(34 + hw->extra_tx_headroom); + if (!skb) + return NULL; + + skb_reserve(skb, hw->extra_tx_headroom); + action_frame = (void *)skb_put(skb, 34); + memset(action_frame, 0, 34); + memcpy(action_frame->sa, sa, ETH_ALEN); + memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); + memcpy(action_frame->bssid, bssid, ETH_ALEN); + action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); + action_frame->u.action.category = WLAN_CATEGORY_BACK; + action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; + params = (u16)(1 << 11); /* bit 11 initiator */ + params |= (u16)(tid << 12); /* bit 15:12 TID number */ + + action_frame->u.action.u.delba.params = cpu_to_le16(params); + action_frame->u.action.u.delba.reason_code = + cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); + + return skb; +} + +/********************************************************* + * + * IOT functions + * + *********************************************************/ +static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, + struct octet_string vendor_ie) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + bool matched = false; + static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; + static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; + static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; + static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; + static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; + static u8 racap[] = { 0x00, 0x0c, 0x43 }; + static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; + static u8 marvcap[] = { 0x00, 0x50, 0x43 }; + + if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || + memcmp(vendor_ie.octet, athcap_2, 3) == 0) { + rtlpriv->mac80211.vendor = PEER_ATH; + matched = true; + } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || + memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || + memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { + rtlpriv->mac80211.vendor = PEER_BROAD; + matched = true; + } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { + rtlpriv->mac80211.vendor = PEER_RAL; + matched = true; + } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { + rtlpriv->mac80211.vendor = PEER_CISCO; + matched = true; + } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { + rtlpriv->mac80211.vendor = PEER_MARV; + matched = true; + } + + return matched; +} + +static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, + unsigned int len) +{ + struct ieee80211_mgmt *mgmt = (void *)data; + struct octet_string vendor_ie; + u8 *pos, *end; + + pos = (u8 *)mgmt->u.beacon.variable; + end = data + len; + while (pos < end) { + if (pos[0] == 221) { + vendor_ie.length = pos[1]; + vendor_ie.octet = &pos[2]; + if (rtl_chk_vendor_ouisub(hw, vendor_ie)) + return true; + } + + if (pos + 2 + pos[1] > end) + return false; + + pos += 2 + pos[1]; + } + return false; +} + +void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct ieee80211_hdr *hdr = (void *)data; + u32 vendor = PEER_UNKNOWN; + + static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; + static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; + static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; + static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; + static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; + static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; + static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; + static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; + static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; + static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; + static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; + static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; + static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; + static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; + static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; + static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; + + if (mac->opmode != NL80211_IFTYPE_STATION) + return; + + if (mac->link_state == MAC80211_NOLINK) { + mac->vendor = PEER_UNKNOWN; + return; + } + + if (mac->cnt_after_linked > 2) + return; + + /* check if this really is a beacon */ + if (!ieee80211_is_beacon(hdr->frame_control)) + return; + + /* min. beacon length + FCS_LEN */ + if (len <= 40 + FCS_LEN) + return; + + /* and only beacons from the associated BSSID, please */ + if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) + return; + + if (rtl_find_221_ie(hw, data, len)) + vendor = mac->vendor; + + if ((memcmp(mac->bssid, ap5_1, 3) == 0) || + (memcmp(mac->bssid, ap5_2, 3) == 0) || + (memcmp(mac->bssid, ap5_3, 3) == 0) || + (memcmp(mac->bssid, ap5_4, 3) == 0) || + (memcmp(mac->bssid, ap5_5, 3) == 0) || + (memcmp(mac->bssid, ap5_6, 3) == 0) || + vendor == PEER_ATH) { + vendor = PEER_ATH; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); + } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || + (memcmp(mac->bssid, ap4_5, 3) == 0) || + (memcmp(mac->bssid, ap4_1, 3) == 0) || + (memcmp(mac->bssid, ap4_2, 3) == 0) || + (memcmp(mac->bssid, ap4_3, 3) == 0) || + vendor == PEER_RAL) { + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); + vendor = PEER_RAL; + } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || + vendor == PEER_CISCO) { + vendor = PEER_CISCO; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); + } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || + (memcmp(mac->bssid, ap3_2, 3) == 0) || + (memcmp(mac->bssid, ap3_3, 3) == 0) || + vendor == PEER_BROAD) { + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); + vendor = PEER_BROAD; + } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || + vendor == PEER_MARV) { + vendor = PEER_MARV; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); + } + + mac->vendor = vendor; +} +EXPORT_SYMBOL_GPL(rtl_recognize_peer); + /********************************************************* * * sysfs functions @@ -904,7 +1846,7 @@ static ssize_t rtl_store_debug_level(struct device *d, unsigned long val; int ret; - ret = strict_strtoul(buf, 0, &val); + ret = kstrtoul(buf, 0, &val); if (ret) { printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf); } else { @@ -936,6 +1878,7 @@ struct attribute_group rtl_attribute_group = { .name = "rtlsysfs", .attrs = rtl_sysfs_entries, }; +EXPORT_SYMBOL_GPL(rtl_attribute_group); MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); @@ -943,13 +1886,25 @@ MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); +struct rtl_global_var rtl_global_var = {}; +EXPORT_SYMBOL_GPL(rtl_global_var); + static int __init rtl_core_module_init(void) { + if (rtl_rate_control_register()) + pr_err("Unable to register rtl_rc, use default RC !!\n"); + + /* init some global vars */ + INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); + spin_lock_init(&rtl_global_var.glb_list_lock); + return 0; } static void __exit rtl_core_module_exit(void) { + /*RC*/ + rtl_rate_control_unregister(); } module_init(rtl_core_module_init); |