// SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. */ #include <linux/etherdevice.h> #include <linux/platform_device.h> #include <linux/pci.h> #include <linux/module.h> #include "mt7915.h" #include "mcu.h" static bool mt7915_dev_running(struct mt7915_dev *dev) { struct mt7915_phy *phy; if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) return true; phy = mt7915_ext_phy(dev); return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); } static int mt7915_start(struct ieee80211_hw *hw) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); bool running; mutex_lock(&dev->mt76.mutex); running = mt7915_dev_running(dev); if (!running) { mt7915_mcu_set_pm(dev, 0, 0); mt7915_mcu_set_mac(dev, 0, true, false); mt7915_mcu_set_scs(dev, 0, true); } if (phy != &dev->phy) { mt7915_mcu_set_pm(dev, 1, 0); mt7915_mcu_set_mac(dev, 1, true, false); mt7915_mcu_set_scs(dev, 1, true); } mt7915_mcu_set_sku_en(phy, true); mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); set_bit(MT76_STATE_RUNNING, &phy->mt76->state); ieee80211_queue_delayed_work(hw, &phy->mac_work, MT7915_WATCHDOG_TIME); if (!running) mt7915_mac_reset_counters(phy); mutex_unlock(&dev->mt76.mutex); return 0; } static void mt7915_stop(struct ieee80211_hw *hw) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); cancel_delayed_work_sync(&phy->mac_work); mutex_lock(&dev->mt76.mutex); clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); if (phy != &dev->phy) { mt7915_mcu_set_pm(dev, 1, 1); mt7915_mcu_set_mac(dev, 1, false, false); } if (!mt7915_dev_running(dev)) { mt7915_mcu_set_pm(dev, 0, 1); mt7915_mcu_set_mac(dev, 0, false, false); } mutex_unlock(&dev->mt76.mutex); } static int get_omac_idx(enum nl80211_iftype type, u32 mask) { int i; switch (type) { case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_AP: /* ap uses hw bssid 0 and ext bssid */ if (~mask & BIT(HW_BSSID_0)) return HW_BSSID_0; for (i = EXT_BSSID_1; i < EXT_BSSID_END; i++) if (~mask & BIT(i)) return i; break; case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: /* station uses hw bssid other than 0 */ for (i = HW_BSSID_1; i < HW_BSSID_MAX; i++) if (~mask & BIT(i)) return i; break; default: WARN_ON(1); break; } return -1; } static int mt7915_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); struct mt76_txq *mtxq; bool ext_phy = phy != &dev->phy; int idx, ret = 0; mutex_lock(&dev->mt76.mutex); mvif->idx = ffs(~phy->vif_mask) - 1; if (mvif->idx >= MT7915_MAX_INTERFACES) { ret = -ENOSPC; goto out; } idx = get_omac_idx(vif->type, phy->omac_mask); if (idx < 0) { ret = -ENOSPC; goto out; } mvif->omac_idx = idx; mvif->dev = dev; mvif->band_idx = ext_phy; if (ext_phy) mvif->wmm_idx = ext_phy * (MT7915_MAX_WMM_SETS / 2) + mvif->idx % (MT7915_MAX_WMM_SETS / 2); else mvif->wmm_idx = mvif->idx % MT7915_MAX_WMM_SETS; ret = mt7915_mcu_add_dev_info(dev, vif, true); if (ret) goto out; phy->vif_mask |= BIT(mvif->idx); phy->omac_mask |= BIT(mvif->omac_idx); idx = MT7915_WTBL_RESERVED - mvif->idx; INIT_LIST_HEAD(&mvif->sta.poll_list); mvif->sta.wcid.idx = idx; mvif->sta.wcid.ext_phy = mvif->band_idx; mvif->sta.wcid.hw_key_idx = -1; mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; mt7915_mac_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); if (vif->txq) { mtxq = (struct mt76_txq *)vif->txq->drv_priv; mtxq->wcid = &mvif->sta.wcid; mt76_txq_init(&dev->mt76, vif->txq); } out: mutex_unlock(&dev->mt76.mutex); return ret; } static void mt7915_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_sta *msta = &mvif->sta; struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); int idx = msta->wcid.idx; /* TODO: disable beacon for the bss */ mt7915_mcu_add_dev_info(dev, vif, false); rcu_assign_pointer(dev->mt76.wcid[idx], NULL); if (vif->txq) mt76_txq_remove(&dev->mt76, vif->txq); mutex_lock(&dev->mt76.mutex); phy->vif_mask &= ~BIT(mvif->idx); phy->omac_mask &= ~BIT(mvif->omac_idx); mutex_unlock(&dev->mt76.mutex); spin_lock_bh(&dev->sta_poll_lock); if (!list_empty(&msta->poll_list)) list_del_init(&msta->poll_list); spin_unlock_bh(&dev->sta_poll_lock); } static void mt7915_init_dfs_state(struct mt7915_phy *phy) { struct mt76_phy *mphy = phy->mt76; struct ieee80211_hw *hw = mphy->hw; struct cfg80211_chan_def *chandef = &hw->conf.chandef; if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) return; if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) return; if (mphy->chandef.chan->center_freq == chandef->chan->center_freq && mphy->chandef.width == chandef->width) return; phy->dfs_state = -1; } static int mt7915_set_channel(struct mt7915_phy *phy) { struct mt7915_dev *dev = phy->dev; int ret; cancel_delayed_work_sync(&phy->mac_work); mutex_lock(&dev->mt76.mutex); set_bit(MT76_RESET, &phy->mt76->state); mt7915_init_dfs_state(phy); mt76_set_channel(phy->mt76); ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); if (ret) goto out; mt7915_mac_set_timing(phy); ret = mt7915_dfs_init_radar_detector(phy); mt7915_mac_cca_stats_reset(phy); mt7915_mac_reset_counters(phy); phy->noise = 0; out: clear_bit(MT76_RESET, &phy->mt76->state); mutex_unlock(&dev->mt76.mutex); mt76_txq_schedule_all(phy->mt76); ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work, MT7915_WATCHDOG_TIME); return ret; } static int mt7915_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 mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta; struct mt76_wcid *wcid = &msta->wcid; int idx = key->keyidx; /* The hardware does not support per-STA RX GTK, fallback * to software mode for these. */ if ((vif->type == NL80211_IFTYPE_ADHOC || vif->type == NL80211_IFTYPE_MESH_POINT) && (key->cipher == WLAN_CIPHER_SUITE_TKIP || key->cipher == WLAN_CIPHER_SUITE_CCMP) && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) return -EOPNOTSUPP; /* fall back to sw encryption for unsupported ciphers */ switch (key->cipher) { case WLAN_CIPHER_SUITE_AES_CMAC: key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; break; case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_CCMP_256: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: case WLAN_CIPHER_SUITE_SMS4: break; default: return -EOPNOTSUPP; } if (cmd == SET_KEY) { key->hw_key_idx = wcid->idx; wcid->hw_key_idx = idx; } else if (idx == wcid->hw_key_idx) { wcid->hw_key_idx = -1; } mt76_wcid_key_setup(&dev->mt76, wcid, cmd == SET_KEY ? key : NULL); return mt7915_mcu_add_key(dev, vif, msta, key, cmd); } static int mt7915_config(struct ieee80211_hw *hw, u32 changed) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); bool band = phy != &dev->phy; int ret; if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { ieee80211_stop_queues(hw); ret = mt7915_set_channel(phy); if (ret) return ret; ieee80211_wake_queues(hw); } if (changed & IEEE80211_CONF_CHANGE_POWER) { ret = mt7915_mcu_set_sku(phy); if (ret) return ret; } mutex_lock(&dev->mt76.mutex); if (changed & IEEE80211_CONF_CHANGE_MONITOR) { if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; else phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); } mutex_unlock(&dev->mt76.mutex); return 0; } static int mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; /* no need to update right away, we'll get BSS_CHANGED_QOS */ mvif->wmm[queue].cw_min = params->cw_min; mvif->wmm[queue].cw_max = params->cw_max; mvif->wmm[queue].aifs = params->aifs; mvif->wmm[queue].txop = params->txop; return 0; } static void mt7915_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); bool band = phy != &dev->phy; u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | MT_WF_RFCR1_DROP_BF_POLL | MT_WF_RFCR1_DROP_BA | MT_WF_RFCR1_DROP_CFEND | MT_WF_RFCR1_DROP_CFACK; u32 flags = 0; #define MT76_FILTER(_flag, _hw) do { \ flags |= *total_flags & FIF_##_flag; \ phy->rxfilter &= ~(_hw); \ phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ } while (0) phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | MT_WF_RFCR_DROP_OTHER_BEACON | MT_WF_RFCR_DROP_FRAME_REPORT | MT_WF_RFCR_DROP_PROBEREQ | MT_WF_RFCR_DROP_MCAST_FILTERED | MT_WF_RFCR_DROP_MCAST | MT_WF_RFCR_DROP_BCAST | MT_WF_RFCR_DROP_DUPLICATE | MT_WF_RFCR_DROP_A2_BSSID | MT_WF_RFCR_DROP_UNWANTED_CTL | MT_WF_RFCR_DROP_STBC_MULTI); MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | MT_WF_RFCR_DROP_A3_MAC | MT_WF_RFCR_DROP_A3_BSSID); MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | MT_WF_RFCR_DROP_RTS | MT_WF_RFCR_DROP_CTL_RSV | MT_WF_RFCR_DROP_NDPA); *total_flags = flags; mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); if (*total_flags & FIF_CONTROL) mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); else mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); } static void mt7915_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { struct mt7915_phy *phy = mt7915_hw_phy(hw); struct mt7915_dev *dev = mt7915_hw_dev(hw); mutex_lock(&dev->mt76.mutex); /* * station mode uses BSSID to map the wlan entry to a peer, * and then peer references bss_info_rfch to set bandwidth cap. */ if (changed & BSS_CHANGED_BSSID && vif->type == NL80211_IFTYPE_STATION) { bool join = !is_zero_ether_addr(info->bssid); mt7915_mcu_add_bss_info(phy, vif, join); mt7915_mcu_add_sta(dev, vif, NULL, join); } if (changed & BSS_CHANGED_ASSOC) { mt7915_mcu_add_bss_info(phy, vif, info->assoc); mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); } if (changed & BSS_CHANGED_ERP_SLOT) { int slottime = info->use_short_slot ? 9 : 20; if (slottime != phy->slottime) { phy->slottime = slottime; mt7915_mac_set_timing(phy); } } if (changed & BSS_CHANGED_BEACON_ENABLED) { mt7915_mcu_add_bss_info(phy, vif, info->enable_beacon); mt7915_mcu_add_sta(dev, vif, NULL, info->enable_beacon); } /* ensure that enable txcmd_mode after bss_info */ if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) mt7915_mcu_set_tx(dev, vif); if (changed & BSS_CHANGED_HE_OBSS_PD) mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); if (changed & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED)) mt7915_mcu_add_beacon(hw, vif, info->enable_beacon); mutex_unlock(&dev->mt76.mutex); } static void mt7915_channel_switch_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_chan_def *chandef) { struct mt7915_dev *dev = mt7915_hw_dev(hw); mutex_lock(&dev->mt76.mutex); mt7915_mcu_add_beacon(hw, vif, true); mutex_unlock(&dev->mt76.mutex); } int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; int ret, idx; idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1); if (idx < 0) return -ENOSPC; INIT_LIST_HEAD(&msta->poll_list); INIT_WORK(&msta->stats_work, mt7915_mac_sta_stats_work); spin_lock_init(&msta->ampdu_lock); msta->vif = mvif; msta->wcid.sta = 1; msta->wcid.idx = idx; msta->wcid.ext_phy = mvif->band_idx; msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; msta->stats.jiffies = jiffies; mt7915_mac_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); ret = mt7915_mcu_add_sta(dev, vif, sta, true); if (ret) return ret; return mt7915_mcu_add_sta_adv(dev, vif, sta, true); } void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; mt7915_mcu_add_sta_adv(dev, vif, sta, false); mt7915_mcu_add_sta(dev, vif, sta, false); mt7915_mac_wtbl_update(dev, msta->wcid.idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); spin_lock_bh(&dev->sta_poll_lock); if (!list_empty(&msta->poll_list)) list_del_init(&msta->poll_list); spin_unlock_bh(&dev->sta_poll_lock); } static void mt7915_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt76_phy *mphy = hw->priv; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_vif *vif = info->control.vif; struct mt76_wcid *wcid = &dev->mt76.global_wcid; if (control->sta) { struct mt7915_sta *sta; sta = (struct mt7915_sta *)control->sta->drv_priv; wcid = &sta->wcid; } if (vif && !control->sta) { struct mt7915_vif *mvif; mvif = (struct mt7915_vif *)vif->drv_priv; wcid = &mvif->sta.wcid; } mt76_tx(mphy, control->sta, wcid, skb); } static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); mutex_lock(&dev->mt76.mutex); mt7915_mcu_set_rts_thresh(phy, val); mutex_unlock(&dev->mt76.mutex); return 0; } static int mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { enum ieee80211_ampdu_mlme_action action = params->action; struct mt7915_dev *dev = mt7915_hw_dev(hw); struct ieee80211_sta *sta = params->sta; struct ieee80211_txq *txq = sta->txq[params->tid]; struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; u16 tid = params->tid; u16 ssn = params->ssn; struct mt76_txq *mtxq; int ret = 0; if (!txq) return -EINVAL; mtxq = (struct mt76_txq *)txq->drv_priv; mutex_lock(&dev->mt76.mutex); switch (action) { case IEEE80211_AMPDU_RX_START: mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, params->buf_size); mt7915_mcu_add_rx_ba(dev, params, true); break; case IEEE80211_AMPDU_RX_STOP: mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); mt7915_mcu_add_rx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_OPERATIONAL: mtxq->aggr = true; mtxq->send_bar = false; mt7915_set_aggr_state(msta, tid, MT7915_AGGR_OPERATIONAL); mt7915_mcu_add_tx_ba(dev, params, true); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: mtxq->aggr = false; mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP); mt7915_mcu_add_tx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_START: mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn); mt7915_set_aggr_state(msta, tid, MT7915_AGGR_START); ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; break; case IEEE80211_AMPDU_TX_STOP_CONT: mtxq->aggr = false; mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP); mt7915_mcu_add_tx_ba(dev, params, false); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; } mutex_unlock(&dev->mt76.mutex); return ret; } static int mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, IEEE80211_STA_NONE); } static int mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, IEEE80211_STA_NOTEXIST); } static int mt7915_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { struct mt7915_phy *phy = mt7915_hw_phy(hw); struct mib_stats *mib = &phy->mib; stats->dot11RTSSuccessCount = mib->rts_cnt; stats->dot11RTSFailureCount = mib->rts_retries_cnt; stats->dot11FCSErrorCount = mib->fcs_err_cnt; stats->dot11ACKFailureCount = mib->ack_fail_cnt; return 0; } static u64 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); bool band = phy != &dev->phy; union { u64 t64; u32 t32[2]; } tsf; u16 n; mutex_lock(&dev->mt76.mutex); n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; /* TSF software read */ mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE); tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); mutex_unlock(&dev->mt76.mutex); return tsf.t64; } static void mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 timestamp) { struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); bool band = phy != &dev->phy; union { u64 t64; u32 t32[2]; } tsf = { .t64 = timestamp, }; u16 n; mutex_lock(&dev->mt76.mutex); n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx; mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); /* TSF software overwrite */ mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE); mutex_unlock(&dev->mt76.mutex); } static void mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct mt7915_phy *phy = mt7915_hw_phy(hw); struct mt7915_dev *dev = phy->dev; mutex_lock(&dev->mt76.mutex); phy->coverage_class = max_t(s16, coverage_class, 0); mt7915_mac_set_timing(phy); mutex_unlock(&dev->mt76.mutex); } static int mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) { struct mt7915_dev *dev = mt7915_hw_dev(hw); struct mt7915_phy *phy = mt7915_hw_phy(hw); int max_nss = hweight8(hw->wiphy->available_antennas_tx); bool ext_phy = phy != &dev->phy; if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) return -EINVAL; if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) tx_ant = BIT(ffs(tx_ant) - 1) - 1; mutex_lock(&dev->mt76.mutex); phy->mt76->antenna_mask = tx_ant; if (ext_phy) { if (dev->chainmask == 0xf) tx_ant <<= 2; else tx_ant <<= 1; } phy->chainmask = tx_ant; mt76_set_stream_caps(phy->mt76, true); mt7915_set_stream_vht_txbf_caps(phy); mt7915_set_stream_he_caps(phy); mutex_unlock(&dev->mt76.mutex); return 0; } static void mt7915_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct station_info *sinfo) { struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; struct mt7915_sta_stats *stats = &msta->stats; if (!stats->tx_rate.legacy && !stats->tx_rate.flags) return; if (stats->tx_rate.legacy) { sinfo->txrate.legacy = stats->tx_rate.legacy; } else { sinfo->txrate.mcs = stats->tx_rate.mcs; sinfo->txrate.nss = stats->tx_rate.nss; sinfo->txrate.bw = stats->tx_rate.bw; sinfo->txrate.he_gi = stats->tx_rate.he_gi; sinfo->txrate.he_dcm = stats->tx_rate.he_dcm; sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc; } sinfo->txrate.flags = stats->tx_rate.flags; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); } static void mt7915_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u32 changed) { struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; rcu_read_lock(); sta = ieee80211_find_sta(vif, sta->addr); if (!sta) { rcu_read_unlock(); return; } rcu_read_unlock(); set_bit(changed, &msta->stats.changed); ieee80211_queue_work(hw, &msta->stats_work); } const struct ieee80211_ops mt7915_ops = { .tx = mt7915_tx, .start = mt7915_start, .stop = mt7915_stop, .add_interface = mt7915_add_interface, .remove_interface = mt7915_remove_interface, .config = mt7915_config, .conf_tx = mt7915_conf_tx, .configure_filter = mt7915_configure_filter, .bss_info_changed = mt7915_bss_info_changed, .sta_add = mt7915_sta_add, .sta_remove = mt7915_sta_remove, .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, .sta_rc_update = mt7915_sta_rc_update, .set_key = mt7915_set_key, .ampdu_action = mt7915_ampdu_action, .set_rts_threshold = mt7915_set_rts_threshold, .wake_tx_queue = mt76_wake_tx_queue, .sw_scan_start = mt76_sw_scan, .sw_scan_complete = mt76_sw_scan_complete, .release_buffered_frames = mt76_release_buffered_frames, .get_txpower = mt76_get_txpower, .channel_switch_beacon = mt7915_channel_switch_beacon, .get_stats = mt7915_get_stats, .get_tsf = mt7915_get_tsf, .set_tsf = mt7915_set_tsf, .get_survey = mt76_get_survey, .get_antenna = mt76_get_antenna, .set_antenna = mt7915_set_antenna, .set_coverage_class = mt7915_set_coverage_class, .sta_statistics = mt7915_sta_statistics, #ifdef CONFIG_MAC80211_DEBUGFS .sta_add_debugfs = mt7915_sta_add_debugfs, #endif };