| // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
| /* Copyright(c) 2018-2019 Realtek Corporation |
| */ |
| |
| #include "main.h" |
| #include "sec.h" |
| #include "tx.h" |
| #include "fw.h" |
| #include "mac.h" |
| #include "coex.h" |
| #include "ps.h" |
| #include "reg.h" |
| #include "bf.h" |
| #include "debug.h" |
| #include "wow.h" |
| #include "sar.h" |
| |
| static void rtw_ops_tx(struct ieee80211_hw *hw, |
| struct ieee80211_tx_control *control, |
| struct sk_buff *skb) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) { |
| ieee80211_free_txskb(hw, skb); |
| return; |
| } |
| |
| rtw_tx(rtwdev, control, skb); |
| } |
| |
| static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw, |
| struct ieee80211_txq *txq) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; |
| |
| if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) |
| return; |
| |
| spin_lock_bh(&rtwdev->txq_lock); |
| if (list_empty(&rtwtxq->list)) |
| list_add_tail(&rtwtxq->list, &rtwdev->txqs); |
| spin_unlock_bh(&rtwdev->txq_lock); |
| |
| /* ensure to dequeue EAPOL (4/4) at the right time */ |
| if (txq->ac == IEEE80211_AC_VO) |
| __rtw_tx_work(rtwdev); |
| else |
| queue_work(rtwdev->tx_wq, &rtwdev->tx_work); |
| } |
| |
| static int rtw_ops_start(struct ieee80211_hw *hw) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret; |
| |
| mutex_lock(&rtwdev->mutex); |
| ret = rtw_core_start(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret; |
| } |
| |
| static void rtw_ops_stop(struct ieee80211_hw *hw) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_core_stop(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret = 0; |
| |
| /* let previous ips work finish to ensure we don't leave ips twice */ |
| cancel_work_sync(&rtwdev->ips_work); |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| !(hw->conf.flags & IEEE80211_CONF_IDLE)) { |
| ret = rtw_leave_ips(rtwdev); |
| if (ret) { |
| rtw_err(rtwdev, "failed to leave idle state\n"); |
| goto out; |
| } |
| } |
| |
| if (changed & IEEE80211_CONF_CHANGE_CHANNEL) |
| rtw_set_channel(rtwdev); |
| |
| if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| (hw->conf.flags & IEEE80211_CONF_IDLE) && |
| !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) |
| rtw_enter_ips(rtwdev); |
| |
| out: |
| mutex_unlock(&rtwdev->mutex); |
| return ret; |
| } |
| |
| static const struct rtw_vif_port rtw_vif_port[] = { |
| [0] = { |
| .mac_addr = {.addr = 0x0610}, |
| .bssid = {.addr = 0x0618}, |
| .net_type = {.addr = 0x0100, .mask = 0x30000}, |
| .aid = {.addr = 0x06a8, .mask = 0x7ff}, |
| .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, |
| }, |
| [1] = { |
| .mac_addr = {.addr = 0x0700}, |
| .bssid = {.addr = 0x0708}, |
| .net_type = {.addr = 0x0100, .mask = 0xc0000}, |
| .aid = {.addr = 0x0710, .mask = 0x7ff}, |
| .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, |
| }, |
| [2] = { |
| .mac_addr = {.addr = 0x1620}, |
| .bssid = {.addr = 0x1628}, |
| .net_type = {.addr = 0x1100, .mask = 0x3}, |
| .aid = {.addr = 0x1600, .mask = 0x7ff}, |
| .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, |
| }, |
| [3] = { |
| .mac_addr = {.addr = 0x1630}, |
| .bssid = {.addr = 0x1638}, |
| .net_type = {.addr = 0x1100, .mask = 0xc}, |
| .aid = {.addr = 0x1604, .mask = 0x7ff}, |
| .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, |
| }, |
| [4] = { |
| .mac_addr = {.addr = 0x1640}, |
| .bssid = {.addr = 0x1648}, |
| .net_type = {.addr = 0x1100, .mask = 0x30}, |
| .aid = {.addr = 0x1608, .mask = 0x7ff}, |
| .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, |
| }, |
| }; |
| |
| static int rtw_ops_add_interface(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; |
| enum rtw_net_type net_type; |
| u32 config = 0; |
| u8 port; |
| u8 bcn_ctrl = 0; |
| |
| if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) |
| vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
| IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
| rtwvif->stats.tx_unicast = 0; |
| rtwvif->stats.rx_unicast = 0; |
| rtwvif->stats.tx_cnt = 0; |
| rtwvif->stats.rx_cnt = 0; |
| rtwvif->scan_req = NULL; |
| memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); |
| rtw_txq_init(rtwdev, vif->txq); |
| INIT_LIST_HEAD(&rtwvif->rsvd_page_list); |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); |
| if (port >= RTW_PORT_NUM) { |
| mutex_unlock(&rtwdev->mutex); |
| return -EINVAL; |
| } |
| set_bit(port, rtwdev->hw_port); |
| |
| rtwvif->port = port; |
| rtwvif->conf = &rtw_vif_port[port]; |
| rtw_leave_lps_deep(rtwdev); |
| |
| switch (vif->type) { |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_MESH_POINT: |
| rtw_add_rsvd_page_bcn(rtwdev, rtwvif); |
| net_type = RTW_NET_AP_MODE; |
| bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; |
| break; |
| case NL80211_IFTYPE_ADHOC: |
| rtw_add_rsvd_page_bcn(rtwdev, rtwvif); |
| net_type = RTW_NET_AD_HOC; |
| bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; |
| break; |
| case NL80211_IFTYPE_STATION: |
| rtw_add_rsvd_page_sta(rtwdev, rtwvif); |
| net_type = RTW_NET_NO_LINK; |
| bcn_ctrl = BIT_EN_BCN_FUNCTION; |
| break; |
| default: |
| WARN_ON(1); |
| clear_bit(rtwvif->port, rtwdev->hw_port); |
| mutex_unlock(&rtwdev->mutex); |
| return -EINVAL; |
| } |
| |
| ether_addr_copy(rtwvif->mac_addr, vif->addr); |
| config |= PORT_SET_MAC_ADDR; |
| rtwvif->net_type = net_type; |
| config |= PORT_SET_NET_TYPE; |
| rtwvif->bcn_ctrl = bcn_ctrl; |
| config |= PORT_SET_BCN_CTRL; |
| rtw_vif_port_config(rtwdev, rtwvif, config); |
| rtw_core_port_switch(rtwdev, vif); |
| rtw_recalc_lps(rtwdev, vif); |
| |
| mutex_unlock(&rtwdev->mutex); |
| |
| rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); |
| return 0; |
| } |
| |
| static void rtw_ops_remove_interface(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; |
| u32 config = 0; |
| |
| rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| rtw_txq_cleanup(rtwdev, vif->txq); |
| rtw_remove_rsvd_page(rtwdev, rtwvif); |
| |
| eth_zero_addr(rtwvif->mac_addr); |
| config |= PORT_SET_MAC_ADDR; |
| rtwvif->net_type = RTW_NET_NO_LINK; |
| config |= PORT_SET_NET_TYPE; |
| rtwvif->bcn_ctrl = 0; |
| config |= PORT_SET_BCN_CTRL; |
| rtw_vif_port_config(rtwdev, rtwvif, config); |
| clear_bit(rtwvif->port, rtwdev->hw_port); |
| rtw_recalc_lps(rtwdev, NULL); |
| |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_change_interface(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| enum nl80211_iftype type, bool p2p) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", |
| vif->addr, vif->type, type, vif->p2p, p2p); |
| |
| rtw_ops_remove_interface(hw, vif); |
| |
| vif->type = type; |
| vif->p2p = p2p; |
| |
| return rtw_ops_add_interface(hw, vif); |
| } |
| |
| static void rtw_ops_configure_filter(struct ieee80211_hw *hw, |
| unsigned int changed_flags, |
| unsigned int *new_flags, |
| u64 multicast) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | |
| FIF_BCN_PRBRESP_PROMISC; |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| if (changed_flags & FIF_ALLMULTI) { |
| if (*new_flags & FIF_ALLMULTI) |
| rtwdev->hal.rcr |= BIT_AM; |
| else |
| rtwdev->hal.rcr &= ~(BIT_AM); |
| } |
| if (changed_flags & FIF_FCSFAIL) { |
| if (*new_flags & FIF_FCSFAIL) |
| rtwdev->hal.rcr |= BIT_ACRC32; |
| else |
| rtwdev->hal.rcr &= ~(BIT_ACRC32); |
| } |
| if (changed_flags & FIF_OTHER_BSS) { |
| if (*new_flags & FIF_OTHER_BSS) |
| rtwdev->hal.rcr |= BIT_AAP; |
| else |
| rtwdev->hal.rcr &= ~(BIT_AAP); |
| } |
| if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
| if (*new_flags & FIF_BCN_PRBRESP_PROMISC) |
| rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); |
| else |
| rtwdev->hal.rcr |= BIT_CBSSID_BCN; |
| } |
| |
| rtw_dbg(rtwdev, RTW_DBG_RX, |
| "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", |
| changed_flags, *new_flags, rtwdev->hal.rcr); |
| |
| rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); |
| |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| /* Only have one group of EDCA parameters now */ |
| static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { |
| [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, |
| [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, |
| [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, |
| [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, |
| }; |
| |
| static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, |
| struct rtw_vif *rtwvif, u8 aifsn) |
| { |
| struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); |
| u8 slot_time; |
| u8 sifs; |
| |
| slot_time = vif->bss_conf.use_short_slot ? 9 : 20; |
| sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; |
| |
| return aifsn * slot_time + sifs; |
| } |
| |
| static void __rtw_conf_tx(struct rtw_dev *rtwdev, |
| struct rtw_vif *rtwvif, u16 ac) |
| { |
| struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; |
| u32 edca_param = ac_to_edca_param[ac]; |
| u8 ecw_max, ecw_min; |
| u8 aifs; |
| |
| /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ |
| ecw_max = ilog2(params->cw_max + 1); |
| ecw_min = ilog2(params->cw_min + 1); |
| aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); |
| rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); |
| rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); |
| rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); |
| rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); |
| } |
| |
| static void rtw_conf_tx(struct rtw_dev *rtwdev, |
| struct rtw_vif *rtwvif) |
| { |
| u16 ac; |
| |
| for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) |
| __rtw_conf_tx(rtwdev, rtwvif, ac); |
| } |
| |
| static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *conf, |
| u64 changed) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; |
| struct rtw_coex *coex = &rtwdev->coex; |
| struct rtw_coex_stat *coex_stat = &coex->stat; |
| u32 config = 0; |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| if (changed & BSS_CHANGED_ASSOC) { |
| rtw_vif_assoc_changed(rtwvif, conf); |
| if (vif->cfg.assoc) { |
| rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); |
| |
| rtw_fw_download_rsvd_page(rtwdev); |
| rtw_send_rsvd_page_h2c(rtwdev); |
| rtw_fw_default_port(rtwdev, rtwvif); |
| rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); |
| if (rtw_bf_support) |
| rtw_bf_assoc(rtwdev, vif, conf); |
| } else { |
| rtw_leave_lps(rtwdev); |
| rtw_bf_disassoc(rtwdev, vif, conf); |
| /* Abort ongoing scan if cancel_scan isn't issued |
| * when disconnected by peer |
| */ |
| if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) |
| rtw_hw_scan_abort(rtwdev); |
| |
| } |
| |
| config |= PORT_SET_NET_TYPE; |
| config |= PORT_SET_AID; |
| } |
| |
| if (changed & BSS_CHANGED_BSSID) { |
| ether_addr_copy(rtwvif->bssid, conf->bssid); |
| config |= PORT_SET_BSSID; |
| if (!rtw_core_check_sta_active(rtwdev)) |
| rtw_clear_op_chan(rtwdev); |
| else |
| rtw_store_op_chan(rtwdev, true); |
| } |
| |
| if (changed & BSS_CHANGED_BEACON_INT) { |
| if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) |
| coex_stat->wl_beacon_interval = conf->beacon_int; |
| } |
| |
| if (changed & BSS_CHANGED_BEACON) { |
| rtw_set_dtim_period(rtwdev, conf->dtim_period); |
| rtw_fw_download_rsvd_page(rtwdev); |
| rtw_send_rsvd_page_h2c(rtwdev); |
| } |
| |
| if (changed & BSS_CHANGED_BEACON_ENABLED) { |
| if (conf->enable_beacon) |
| rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, |
| BIT_EN_BCNQ_DL); |
| else |
| rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, |
| BIT_EN_BCNQ_DL); |
| } |
| if (changed & BSS_CHANGED_CQM) |
| rtw_fw_beacon_filter_config(rtwdev, true, vif); |
| |
| if (changed & BSS_CHANGED_MU_GROUPS) |
| rtw_chip_set_gid_table(rtwdev, vif, conf); |
| |
| if (changed & BSS_CHANGED_ERP_SLOT) |
| rtw_conf_tx(rtwdev, rtwvif); |
| |
| if (changed & BSS_CHANGED_PS) |
| rtw_recalc_lps(rtwdev, NULL); |
| |
| rtw_vif_port_config(rtwdev, rtwvif, config); |
| |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_start_ap(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *link_conf) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| const struct rtw_chip_info *chip = rtwdev->chip; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); |
| rtwdev->ap_active = true; |
| rtw_store_op_chan(rtwdev, true); |
| chip->ops->phy_calibration(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static void rtw_ops_stop_ap(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *link_conf) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_write32_clr(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD); |
| rtwdev->ap_active = false; |
| if (!rtw_core_check_sta_active(rtwdev)) |
| rtw_clear_op_chan(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_conf_tx(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| unsigned int link_id, u16 ac, |
| const struct ieee80211_tx_queue_params *params) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| rtwvif->tx_params[ac] = *params; |
| __rtw_conf_tx(rtwdev, rtwvif, ac); |
| |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static int rtw_ops_sta_add(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret = 0; |
| |
| mutex_lock(&rtwdev->mutex); |
| ret = rtw_sta_add(rtwdev, sta, vif); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret; |
| } |
| |
| static int rtw_ops_sta_remove(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_fw_beacon_filter_config(rtwdev, false, vif); |
| rtw_sta_remove(rtwdev, sta, true); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, |
| bool set) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| ieee80211_queue_work(hw, &rtwdev->update_beacon_work); |
| |
| return 0; |
| } |
| |
| static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| struct ieee80211_key_conf *key) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_sec_desc *sec = &rtwdev->sec; |
| u8 hw_key_type; |
| u8 hw_key_idx; |
| int ret = 0; |
| |
| switch (key->cipher) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| hw_key_type = RTW_CAM_WEP40; |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| hw_key_type = RTW_CAM_WEP104; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| hw_key_type = RTW_CAM_TKIP; |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| hw_key_type = RTW_CAM_AES; |
| key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
| case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
| case WLAN_CIPHER_SUITE_BIP_GMAC_256: |
| case WLAN_CIPHER_SUITE_CCMP_256: |
| case WLAN_CIPHER_SUITE_GCMP: |
| case WLAN_CIPHER_SUITE_GCMP_256: |
| /* suppress error messages */ |
| return -EOPNOTSUPP; |
| default: |
| return -ENOTSUPP; |
| } |
| |
| mutex_lock(&rtwdev->mutex); |
| |
| rtw_leave_lps_deep(rtwdev); |
| |
| if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { |
| hw_key_idx = rtw_sec_get_free_cam(sec); |
| } else { |
| /* multiple interfaces? */ |
| hw_key_idx = key->keyidx; |
| } |
| |
| if (hw_key_idx > sec->total_cam_num) { |
| ret = -ENOSPC; |
| goto out; |
| } |
| |
| switch (cmd) { |
| case SET_KEY: |
| /* need sw generated IV */ |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| key->hw_key_idx = hw_key_idx; |
| rtw_sec_write_cam(rtwdev, sec, sta, key, |
| hw_key_type, hw_key_idx); |
| break; |
| case DISABLE_KEY: |
| rtw_hci_flush_all_queues(rtwdev, false); |
| rtw_mac_flush_all_queues(rtwdev, false); |
| rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); |
| break; |
| } |
| |
| /* download new cam settings for PG to backup */ |
| if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) |
| rtw_fw_download_rsvd_page(rtwdev); |
| |
| out: |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret; |
| } |
| |
| static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_ampdu_params *params) |
| { |
| struct ieee80211_sta *sta = params->sta; |
| u16 tid = params->tid; |
| struct ieee80211_txq *txq = sta->txq[tid]; |
| struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; |
| |
| switch (params->action) { |
| case IEEE80211_AMPDU_TX_START: |
| return IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); |
| ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| break; |
| case IEEE80211_AMPDU_TX_OPERATIONAL: |
| set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); |
| break; |
| case IEEE80211_AMPDU_RX_START: |
| case IEEE80211_AMPDU_RX_STOP: |
| break; |
| default: |
| WARN_ON(1); |
| return -ENOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, |
| struct sk_buff *head, |
| struct sk_buff *skb) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_hal *hal = &rtwdev->hal; |
| |
| /* we don't want to enable TX AMSDU on 2.4G */ |
| if (hal->current_band_type == RTW_BAND_2G) |
| return false; |
| |
| return true; |
| } |
| |
| static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| const u8 *mac_addr) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_core_scan_complete(rtwdev, vif, false); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_prep_tx_info *info) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_leave_lps_deep(rtwdev); |
| rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); |
| rtw_chip_prepare_tx(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtwdev->rts_threshold = value; |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| struct station_info *sinfo) |
| { |
| struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; |
| |
| sinfo->txrate = si->ra_report.txrate; |
| sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); |
| } |
| |
| static void rtw_ops_flush(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| u32 queues, bool drop) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_leave_lps_deep(rtwdev); |
| |
| rtw_hci_flush_queues(rtwdev, queues, drop); |
| rtw_mac_flush_queues(rtwdev, queues, drop); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| struct rtw_iter_bitrate_mask_data { |
| struct rtw_dev *rtwdev; |
| struct ieee80211_vif *vif; |
| const struct cfg80211_bitrate_mask *mask; |
| }; |
| |
| static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) |
| { |
| struct rtw_iter_bitrate_mask_data *br_data = data; |
| struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; |
| |
| if (si->vif != br_data->vif) |
| return; |
| |
| /* free previous mask setting */ |
| kfree(si->mask); |
| si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), |
| GFP_ATOMIC); |
| if (!si->mask) { |
| si->use_cfg_mask = false; |
| return; |
| } |
| |
| si->use_cfg_mask = true; |
| rtw_update_sta_info(br_data->rtwdev, si, true); |
| } |
| |
| static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, |
| struct ieee80211_vif *vif, |
| const struct cfg80211_bitrate_mask *mask) |
| { |
| struct rtw_iter_bitrate_mask_data br_data; |
| |
| br_data.rtwdev = rtwdev; |
| br_data.vif = vif; |
| br_data.mask = mask; |
| rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); |
| } |
| |
| static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| const struct cfg80211_bitrate_mask *mask) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_ra_mask_info_update(rtwdev, vif, mask); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static int rtw_ops_set_antenna(struct ieee80211_hw *hw, |
| u32 tx_antenna, |
| u32 rx_antenna) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| const struct rtw_chip_info *chip = rtwdev->chip; |
| int ret; |
| |
| if (!chip->ops->set_antenna) |
| return -EOPNOTSUPP; |
| |
| mutex_lock(&rtwdev->mutex); |
| ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret; |
| } |
| |
| static int rtw_ops_get_antenna(struct ieee80211_hw *hw, |
| u32 *tx_antenna, |
| u32 *rx_antenna) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_hal *hal = &rtwdev->hal; |
| |
| *tx_antenna = hal->antenna_tx; |
| *rx_antenna = hal->antenna_rx; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int rtw_ops_suspend(struct ieee80211_hw *hw, |
| struct cfg80211_wowlan *wowlan) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret; |
| |
| mutex_lock(&rtwdev->mutex); |
| ret = rtw_wow_suspend(rtwdev, wowlan); |
| if (ret) |
| rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret ? 1 : 0; |
| } |
| |
| static int rtw_ops_resume(struct ieee80211_hw *hw) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret; |
| |
| mutex_lock(&rtwdev->mutex); |
| ret = rtw_wow_resume(rtwdev); |
| if (ret) |
| rtw_err(rtwdev, "failed to resume for wow %d\n", ret); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret ? 1 : 0; |
| } |
| |
| static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| device_set_wakeup_enable(rtwdev->dev, enabled); |
| } |
| #endif |
| |
| static void rtw_reconfig_complete(struct ieee80211_hw *hw, |
| enum ieee80211_reconfig_type reconfig_type) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) |
| clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_scan_request *req) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| int ret; |
| |
| if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) |
| return 1; |
| |
| if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) |
| return -EBUSY; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_hw_scan_start(rtwdev, vif, req); |
| ret = rtw_hw_scan_offload(rtwdev, vif, true); |
| if (ret) { |
| rtw_hw_scan_abort(rtwdev); |
| rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); |
| } |
| mutex_unlock(&rtwdev->mutex); |
| |
| return ret; |
| } |
| |
| static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) |
| return; |
| |
| if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) |
| return; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_hw_scan_abort(rtwdev); |
| mutex_unlock(&rtwdev->mutex); |
| } |
| |
| static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, |
| const struct cfg80211_sar_specs *sar) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| |
| mutex_lock(&rtwdev->mutex); |
| rtw_set_sar_specs(rtwdev, sar); |
| mutex_unlock(&rtwdev->mutex); |
| |
| return 0; |
| } |
| |
| static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, u32 changed) |
| { |
| struct rtw_dev *rtwdev = hw->priv; |
| struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; |
| |
| if (changed & IEEE80211_RC_BW_CHANGED) |
| ieee80211_queue_work(rtwdev->hw, &si->rc_work); |
| } |
| |
| const struct ieee80211_ops rtw_ops = { |
| .add_chanctx = ieee80211_emulate_add_chanctx, |
| .remove_chanctx = ieee80211_emulate_remove_chanctx, |
| .change_chanctx = ieee80211_emulate_change_chanctx, |
| .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, |
| .tx = rtw_ops_tx, |
| .wake_tx_queue = rtw_ops_wake_tx_queue, |
| .start = rtw_ops_start, |
| .stop = rtw_ops_stop, |
| .config = rtw_ops_config, |
| .add_interface = rtw_ops_add_interface, |
| .remove_interface = rtw_ops_remove_interface, |
| .change_interface = rtw_ops_change_interface, |
| .configure_filter = rtw_ops_configure_filter, |
| .bss_info_changed = rtw_ops_bss_info_changed, |
| .start_ap = rtw_ops_start_ap, |
| .stop_ap = rtw_ops_stop_ap, |
| .conf_tx = rtw_ops_conf_tx, |
| .sta_add = rtw_ops_sta_add, |
| .sta_remove = rtw_ops_sta_remove, |
| .set_tim = rtw_ops_set_tim, |
| .set_key = rtw_ops_set_key, |
| .ampdu_action = rtw_ops_ampdu_action, |
| .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, |
| .sw_scan_start = rtw_ops_sw_scan_start, |
| .sw_scan_complete = rtw_ops_sw_scan_complete, |
| .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, |
| .set_rts_threshold = rtw_ops_set_rts_threshold, |
| .sta_statistics = rtw_ops_sta_statistics, |
| .flush = rtw_ops_flush, |
| .set_bitrate_mask = rtw_ops_set_bitrate_mask, |
| .set_antenna = rtw_ops_set_antenna, |
| .get_antenna = rtw_ops_get_antenna, |
| .reconfig_complete = rtw_reconfig_complete, |
| .hw_scan = rtw_ops_hw_scan, |
| .cancel_hw_scan = rtw_ops_cancel_hw_scan, |
| .sta_rc_update = rtw_ops_sta_rc_update, |
| .set_sar_specs = rtw_ops_set_sar_specs, |
| #ifdef CONFIG_PM |
| .suspend = rtw_ops_suspend, |
| .resume = rtw_ops_resume, |
| .set_wakeup = rtw_ops_set_wakeup, |
| #endif |
| }; |
| EXPORT_SYMBOL(rtw_ops); |