diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/mac80211.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac80211.c | 932 |
1 files changed, 932 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c new file mode 100644 index 000000000..0970d6bcb --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -0,0 +1,932 @@ +// 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); + + 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 = 0; + 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->port = port; + 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)); + rtwvif->conf = &rtw_vif_port[port]; + rtw_txq_init(rtwdev, vif->txq); + INIT_LIST_HEAD(&rtwvif->rsvd_page_list); + + mutex_lock(&rtwdev->mutex); + + 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); + 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_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); + 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_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, vif); + } + + 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 (is_zero_ether_addr(rtwvif->bssid)) + 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); + } + + 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); + chip->ops->phy_calibration(rtwdev); + mutex_unlock(&rtwdev->mutex); + + return 0; +} + +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; + + rtw_fw_beacon_filter_config(rtwdev, false, vif); + mutex_lock(&rtwdev->mutex); + 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_atomic(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; + + rtw_ra_mask_info_update(rtwdev, vif, mask); + + 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, vif); + 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, vif); + 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 = { + .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, + .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); |