Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ryder Lee | 3100 | 45.18% | 16 | 10.39% |
Lorenzo Bianconi | 2303 | 33.57% | 85 | 55.19% |
Felix Fietkau | 1360 | 19.82% | 37 | 24.03% |
Sean Wang | 50 | 0.73% | 5 | 3.25% |
Markus Theil | 10 | 0.15% | 1 | 0.65% |
Shayne Chen | 10 | 0.15% | 2 | 1.30% |
Johannes Berg | 9 | 0.13% | 4 | 2.60% |
Dan Carpenter | 8 | 0.12% | 1 | 0.65% |
Nick Hainke | 6 | 0.09% | 1 | 0.65% |
Evelyn Tsai | 3 | 0.04% | 1 | 0.65% |
Stanislaw Gruszka | 2 | 0.03% | 1 | 0.65% |
Total | 6861 | 154 |
// SPDX-License-Identifier: ISC /* Copyright (C) 2019 MediaTek Inc. * * Author: Roy Luo <royluo@google.com> * Ryder Lee <ryder.lee@mediatek.com> * Felix Fietkau <nbd@nbd.name> * Lorenzo Bianconi <lorenzo@kernel.org> */ #include <linux/etherdevice.h> #include <linux/module.h> #include "mt7615.h" #include "mcu.h" static bool mt7615_dev_running(struct mt7615_dev *dev) { struct mt7615_phy *phy; if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) return true; phy = mt7615_ext_phy(dev); return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); } static int mt7615_start(struct ieee80211_hw *hw) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); unsigned long timeout; bool running; int ret; if (!mt7615_wait_for_mcu_init(dev)) return -EIO; mt7615_mutex_acquire(dev); running = mt7615_dev_running(dev); if (!running) { ret = mt7615_mcu_set_pm(dev, 0, 0); if (ret) goto out; ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false); if (ret) goto out; mt7615_mac_enable_nf(dev, 0); } if (phy != &dev->phy) { ret = mt7615_mcu_set_pm(dev, 1, 0); if (ret) goto out; ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false); if (ret) goto out; mt7615_mac_enable_nf(dev, 1); } if (mt7615_firmware_offload(dev)) { ret = mt76_connac_mcu_set_channel_domain(phy->mt76); if (ret) goto out; ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); if (ret) goto out; } ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); if (ret) goto out; set_bit(MT76_STATE_RUNNING, &phy->mt76->state); timeout = mt7615_get_macwork_timeout(dev); ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); if (!running) mt7615_mac_reset_counters(phy); out: mt7615_mutex_release(dev); return ret; } static void mt7615_stop(struct ieee80211_hw *hw) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); cancel_delayed_work_sync(&phy->mt76->mac_work); del_timer_sync(&phy->roc_timer); cancel_work_sync(&phy->roc_work); cancel_delayed_work_sync(&dev->pm.ps_work); cancel_work_sync(&dev->pm.wake_work); mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); mt7615_mutex_acquire(dev); mt76_testmode_reset(phy->mt76, true); clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); cancel_delayed_work_sync(&phy->scan_work); if (phy != &dev->phy) { mt7615_mcu_set_pm(dev, 1, 1); mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false); } if (!mt7615_dev_running(dev)) { mt7615_mcu_set_pm(dev, 0, 1); mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); } mt7615_mutex_release(dev); } static inline int get_free_idx(u32 mask, u8 start, u8 end) { return ffs(~mask & GENMASK(end, start)); } static int get_omac_idx(enum nl80211_iftype type, u64 mask) { int i; switch (type) { case NL80211_IFTYPE_STATION: /* prefer hw bssid slot 1-3 */ i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); if (i) return i - 1; /* next, try to find a free repeater entry for the sta */ i = get_free_idx(mask >> REPEATER_BSSID_START, 0, REPEATER_BSSID_MAX - REPEATER_BSSID_START); if (i) return i + 32 - 1; i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); if (i) return i - 1; if (~mask & BIT(HW_BSSID_0)) return HW_BSSID_0; break; case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_MESH_POINT: 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; i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); if (i) return i - 1; break; default: WARN_ON(1); break; } return -1; } static int mt7615_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt76_txq *mtxq; bool ext_phy = phy != &dev->phy; int idx, ret = 0; mt7615_mutex_acquire(dev); mt76_testmode_reset(phy->mt76, true); if (vif->type == NL80211_IFTYPE_MONITOR && is_zero_ether_addr(vif->addr)) phy->monitor_vif = vif; mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) { ret = -ENOSPC; goto out; } idx = get_omac_idx(vif->type, dev->omac_mask); if (idx < 0) { ret = -ENOSPC; goto out; } mvif->mt76.omac_idx = idx; mvif->mt76.band_idx = ext_phy; mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; if (ext_phy) mvif->mt76.wmm_idx += 2; dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); ret = mt7615_mcu_set_dbdc(dev); if (ret) goto out; idx = MT7615_WTBL_RESERVED - mvif->mt76.idx; INIT_LIST_HEAD(&mvif->sta.poll_list); mvif->sta.wcid.idx = idx; mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; mvif->sta.wcid.hw_key_idx = -1; mt76_packet_id_init(&mvif->sta.wcid); mt7615_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 = idx; } ret = mt7615_mcu_add_dev_info(phy, vif, true); out: mt7615_mutex_release(dev); return ret; } static void mt7615_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_sta *msta = &mvif->sta; struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); int idx = msta->wcid.idx; mt7615_mutex_acquire(dev); mt7615_mcu_add_bss_info(phy, vif, NULL, false); mt7615_mcu_sta_add(phy, vif, NULL, false); mt76_testmode_reset(phy->mt76, true); if (vif == phy->monitor_vif) phy->monitor_vif = NULL; mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); mt7615_mcu_add_dev_info(phy, vif, false); rcu_assign_pointer(dev->mt76.wcid[idx], NULL); dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); mt7615_mutex_release(dev); 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); mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid); } int mt7615_set_channel(struct mt7615_phy *phy) { struct mt7615_dev *dev = phy->dev; bool ext_phy = phy != &dev->phy; int ret; cancel_delayed_work_sync(&phy->mt76->mac_work); mt7615_mutex_acquire(dev); set_bit(MT76_RESET, &phy->mt76->state); mt76_set_channel(phy->mt76); if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { ret = mt7615_mcu_apply_rx_dcoc(phy); if (ret) goto out; ret = mt7615_mcu_apply_tx_dpd(phy); if (ret) goto out; } ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); if (ret) goto out; mt7615_mac_set_timing(phy); ret = mt7615_dfs_init_radar_detector(phy); if (ret) goto out; mt7615_mac_cca_stats_reset(phy); ret = mt7615_mcu_set_sku_en(phy, true); if (ret) goto out; mt7615_mac_reset_counters(phy); phy->noise = 0; phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); out: clear_bit(MT76_RESET, &phy->mt76->state); mt7615_mutex_release(dev); mt76_worker_schedule(&dev->mt76.tx_worker); if (!mt76_testmode_enabled(phy->mt76)) { unsigned long timeout = mt7615_get_macwork_timeout(dev); ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, timeout); } return ret; } static int mt7615_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 mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta; struct mt76_wcid *wcid = &msta->wcid; int idx = key->keyidx, err = 0; u8 *wcid_keyidx = &wcid->hw_key_idx; /* 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: wcid_keyidx = &wcid->hw_key_idx2; key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; break; 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; case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: default: return -EOPNOTSUPP; } mt7615_mutex_acquire(dev); if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); mt7615_mcu_add_bss_info(phy, vif, NULL, true); } if (cmd == SET_KEY) *wcid_keyidx = idx; else { if (idx == *wcid_keyidx) *wcid_keyidx = -1; goto out; } mt76_wcid_key_setup(&dev->mt76, wcid, key); if (mt76_is_mmio(&dev->mt76)) err = mt7615_mac_wtbl_set_key(dev, wcid, key); else err = __mt7615_mac_wtbl_set_key(dev, wcid, key); out: mt7615_mutex_release(dev); return err; } static int mt7615_set_sar_specs(struct ieee80211_hw *hw, const struct cfg80211_sar_specs *sar) { struct mt7615_phy *phy = mt7615_hw_phy(hw); int err; if (!cfg80211_chandef_valid(&phy->mt76->chandef)) return -EINVAL; err = mt76_init_sar_power(hw, sar); if (err) return err; if (mt7615_firmware_offload(phy->dev)) return mt76_connac_mcu_set_rate_txpower(phy->mt76); ieee80211_stop_queues(hw); err = mt7615_set_channel(phy); ieee80211_wake_queues(hw); return err; } static int mt7615_config(struct ieee80211_hw *hw, u32 changed) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); bool band = phy != &dev->phy; int ret = 0; if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | IEEE80211_CONF_CHANGE_POWER)) { #ifdef CONFIG_NL80211_TESTMODE if (phy->mt76->test.state != MT76_TM_STATE_OFF) { mt7615_mutex_acquire(dev); mt76_testmode_reset(phy->mt76, false); mt7615_mutex_release(dev); } #endif ieee80211_stop_queues(hw); ret = mt7615_set_channel(phy); ieee80211_wake_queues(hw); } mt7615_mutex_acquire(dev); if (changed & IEEE80211_CONF_CHANGE_MONITOR) { mt76_testmode_reset(phy->mt76, true); 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); } mt7615_mutex_release(dev); return ret; } static int mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue, const struct ieee80211_tx_queue_params *params) { struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; struct mt7615_dev *dev = mt7615_hw_dev(hw); int err; mt7615_mutex_acquire(dev); queue = mt7615_lmac_mapping(dev, queue); queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; err = mt7615_mcu_set_wmm(dev, queue, params); mt7615_mutex_release(dev); return err; } static void mt7615_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_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; mt7615_mutex_acquire(dev); #define MT76_FILTER(_flag, _hw) do { \ flags |= *total_flags & FIF_##_flag; \ phy->rxfilter &= ~(_hw); \ if (!mt76_testmode_enabled(phy->mt76)) \ phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ } while (0) phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 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); if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; 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); mt7615_mutex_release(dev); } static void mt7615_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u64 changed) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); mt7615_mutex_acquire(dev); if (changed & BSS_CHANGED_ERP_SLOT) { int slottime = info->use_short_slot ? 9 : 20; if (slottime != phy->slottime) { phy->slottime = slottime; mt7615_mac_set_timing(phy); } } if (changed & BSS_CHANGED_ERP_CTS_PROT) mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot); if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { mt7615_mcu_add_bss_info(phy, vif, NULL, true); mt7615_mcu_sta_add(phy, vif, NULL, true); if (mt7615_firmware_offload(dev) && vif->p2p) mt76_connac_mcu_set_p2p_oppps(hw, vif); } if (changed & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED)) mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); if (changed & BSS_CHANGED_PS) mt76_connac_mcu_set_vif_ps(&dev->mt76, vif); if ((changed & BSS_CHANGED_ARP_FILTER) && mt7615_firmware_offload(dev)) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info); } if (changed & BSS_CHANGED_ASSOC) mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc); mt7615_mutex_release(dev); } static void mt7615_channel_switch_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_chan_def *chandef) { struct mt7615_dev *dev = mt7615_hw_dev(hw); mt7615_mutex_acquire(dev); mt7615_mcu_add_beacon(dev, hw, vif, true); mt7615_mutex_release(dev); } int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_phy *phy; int idx, err; idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); if (idx < 0) return -ENOSPC; INIT_LIST_HEAD(&msta->poll_list); msta->vif = mvif; msta->wcid.sta = 1; msta->wcid.idx = idx; msta->wcid.phy_idx = mvif->mt76.band_idx; phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; err = mt76_connac_pm_wake(phy->mt76, &dev->pm); if (err) return err; if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { err = mt7615_mcu_add_bss_info(phy, vif, sta, true); if (err) return err; } mt7615_mac_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); if (err) return err; mt76_connac_power_save_sched(phy->mt76, &dev->pm); return err; } EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_phy *phy; mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; mt76_connac_pm_wake(phy->mt76, &dev->pm); mt7615_mcu_sta_add(&dev->phy, vif, sta, false); mt7615_mac_wtbl_update(dev, msta->wcid.idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) mt7615_mcu_add_bss_info(phy, vif, sta, false); 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); mt76_connac_power_save_sched(phy->mt76, &dev->pm); } EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); int i; if (!sta_rates) return; spin_lock_bh(&dev->mt76.lock); for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { msta->rates[i].idx = sta_rates->rate[i].idx; msta->rates[i].count = sta_rates->rate[i].count; msta->rates[i].flags = sta_rates->rate[i].flags; if (msta->rates[i].idx < 0 || !msta->rates[i].count) break; } msta->n_rates = i; if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) { mt7615_mac_set_rates(phy, msta, NULL, msta->rates); mt76_connac_pm_unref(phy->mt76, &dev->pm); } spin_unlock_bh(&dev->mt76.lock); } void mt7615_tx_worker(struct mt76_worker *w) { struct mt7615_dev *dev = container_of(w, struct mt7615_dev, mt76.tx_worker); if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { queue_work(dev->mt76.wq, &dev->pm.wake_work); return; } mt76_tx_worker_run(&dev->mt76); mt76_connac_pm_unref(&dev->mphy, &dev->pm); } static void mt7615_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { struct mt7615_dev *dev = mt7615_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; struct mt7615_sta *msta = NULL; int qid; if (control->sta) { msta = (struct mt7615_sta *)control->sta->drv_priv; wcid = &msta->wcid; } if (vif && !control->sta) { struct mt7615_vif *mvif; mvif = (struct mt7615_vif *)vif->drv_priv; msta = &mvif->sta; wcid = &msta->wcid; } if (mt76_connac_pm_ref(mphy, &dev->pm)) { mt76_tx(mphy, control->sta, wcid, skb); mt76_connac_pm_unref(mphy, &dev->pm); return; } qid = skb_get_queue_mapping(skb); if (qid >= MT_TXQ_PSD) { qid = IEEE80211_AC_BE; skb_set_queue_mapping(skb, qid); } mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); } static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); int err, band = phy != &dev->phy; mt7615_mutex_acquire(dev); err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); mt7615_mutex_release(dev); return err; } static int mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { enum ieee80211_ampdu_mlme_action action = params->action; struct mt7615_dev *dev = mt7615_hw_dev(hw); struct ieee80211_sta *sta = params->sta; struct ieee80211_txq *txq = sta->txq[params->tid]; struct mt7615_sta *msta = (struct mt7615_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; mt7615_mutex_acquire(dev); switch (action) { case IEEE80211_AMPDU_RX_START: mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, params->buf_size); ret = mt7615_mcu_add_rx_ba(dev, params, true); break; case IEEE80211_AMPDU_RX_STOP: mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); ret = mt7615_mcu_add_rx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_OPERATIONAL: mtxq->aggr = true; mtxq->send_bar = false; ret = mt7615_mcu_add_tx_ba(dev, params, true); ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); ieee80211_send_bar(vif, sta->addr, tid, IEEE80211_SN_TO_SEQ(ssn)); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: mtxq->aggr = false; ret = mt7615_mcu_add_tx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_START: ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); params->ssn = ssn; ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; break; case IEEE80211_AMPDU_TX_STOP_CONT: mtxq->aggr = false; ret = mt7615_mcu_add_tx_ba(dev, params, false); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; } mt7615_mutex_release(dev); return ret; } static int mt7615_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 mt7615_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 mt7615_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mib_stats *mib = &phy->mib; mt7615_mutex_acquire(phy->dev); stats->dot11RTSSuccessCount = mib->rts_cnt; stats->dot11RTSFailureCount = mib->rts_retries_cnt; stats->dot11FCSErrorCount = mib->fcs_err_cnt; stats->dot11ACKFailureCount = mib->ack_fail_cnt; mt7615_mutex_release(phy->dev); return 0; } static u64 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_dev *dev = mt7615_hw_dev(hw); union { u64 t64; u32 t32[2]; } tsf; u16 idx = mvif->mt76.omac_idx; u32 reg; idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); mt7615_mutex_acquire(dev); /* TSF read */ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); mt7615_mutex_release(dev); return tsf.t64; } static void mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 timestamp) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_dev *dev = mt7615_hw_dev(hw); union { u64 t64; u32 t32[2]; } tsf = { .t64 = timestamp, }; u16 idx = mvif->mt76.omac_idx; u32 reg; idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); mt7615_mutex_acquire(dev); mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); /* TSF software overwrite */ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); mt7615_mutex_release(dev); } static void mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, s64 timestamp) { struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; struct mt7615_dev *dev = mt7615_hw_dev(hw); union { u64 t64; u32 t32[2]; } tsf = { .t64 = timestamp, }; u16 idx = mvif->mt76.omac_idx; u32 reg; idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); mt7615_mutex_acquire(dev); mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); /* TSF software adjust*/ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); mt7615_mutex_release(dev); } static void mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt7615_dev *dev = phy->dev; mt7615_mutex_acquire(dev); phy->coverage_class = max_t(s16, coverage_class, 0); mt7615_mac_set_timing(phy); mt7615_mutex_release(dev); } static int mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_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; mt7615_mutex_acquire(dev); phy->mt76->antenna_mask = tx_ant; if (ext_phy) { if (dev->chainmask == 0xf) tx_ant <<= 2; else tx_ant <<= 1; } phy->mt76->chainmask = tx_ant; mt76_set_stream_caps(phy->mt76, true); mt7615_mutex_release(dev); return 0; } static void mt7615_roc_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7615_phy *phy = priv; mt7615_mcu_set_roc(phy, vif, NULL, 0); } void mt7615_roc_work(struct work_struct *work) { struct mt7615_phy *phy; phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, roc_work); if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) return; mt7615_mutex_acquire(phy->dev); ieee80211_iterate_active_interfaces(phy->mt76->hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt7615_roc_iter, phy); mt7615_mutex_release(phy->dev); ieee80211_remain_on_channel_expired(phy->mt76->hw); } void mt7615_roc_timer(struct timer_list *timer) { struct mt7615_phy *phy = from_timer(phy, timer, roc_timer); ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); } void mt7615_scan_work(struct work_struct *work) { struct mt7615_phy *phy; phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, scan_work.work); while (true) { struct mt7615_mcu_rxd *rxd; struct sk_buff *skb; spin_lock_bh(&phy->dev->mt76.lock); skb = __skb_dequeue(&phy->scan_event_list); spin_unlock_bh(&phy->dev->mt76.lock); if (!skb) break; rxd = (struct mt7615_mcu_rxd *)skb->data; if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { ieee80211_sched_scan_results(phy->mt76->hw); } else if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { struct cfg80211_scan_info info = { .aborted = false, }; ieee80211_scan_completed(phy->mt76->hw, &info); } dev_kfree_skb(skb); } } static int mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_scan_request *req) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_phy *mphy = hw->priv; int err; /* fall-back to sw-scan */ if (!mt7615_firmware_offload(dev)) return 1; mt7615_mutex_acquire(dev); err = mt76_connac_mcu_hw_scan(mphy, vif, req); mt7615_mutex_release(dev); return err; } static void mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_phy *mphy = hw->priv; mt7615_mutex_acquire(dev); mt76_connac_mcu_cancel_hw_scan(mphy, vif); mt7615_mutex_release(dev); } static int mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, struct ieee80211_scan_ies *ies) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_phy *mphy = hw->priv; int err; if (!mt7615_firmware_offload(dev)) return -EOPNOTSUPP; mt7615_mutex_acquire(dev); err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); if (err < 0) goto out; err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); out: mt7615_mutex_release(dev); return err; } static int mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_phy *mphy = hw->priv; int err; if (!mt7615_firmware_offload(dev)) return -EOPNOTSUPP; mt7615_mutex_acquire(dev); err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); mt7615_mutex_release(dev); return err; } static int mt7615_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_channel *chan, int duration, enum ieee80211_roc_type type) { struct mt7615_phy *phy = mt7615_hw_phy(hw); int err; if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) return 0; mt7615_mutex_acquire(phy->dev); err = mt7615_mcu_set_roc(phy, vif, chan, duration); if (err < 0) { clear_bit(MT76_STATE_ROC, &phy->mt76->state); goto out; } if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { mt7615_mcu_set_roc(phy, vif, NULL, 0); clear_bit(MT76_STATE_ROC, &phy->mt76->state); err = -ETIMEDOUT; } out: mt7615_mutex_release(phy->dev); return err; } static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_phy *phy = mt7615_hw_phy(hw); int err; if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) return 0; del_timer_sync(&phy->roc_timer); cancel_work_sync(&phy->roc_work); mt7615_mutex_acquire(phy->dev); err = mt7615_mcu_set_roc(phy, vif, NULL, 0); mt7615_mutex_release(phy->dev); return err; } static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool enabled) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; mt7615_mutex_acquire(dev); if (enabled) set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); else clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); mt7615_mcu_set_sta_decap_offload(dev, vif, sta); mt7615_mutex_release(dev); } #ifdef CONFIG_PM static int mt7615_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt7615_dev *dev = mt7615_hw_dev(hw); int err = 0; cancel_delayed_work_sync(&dev->pm.ps_work); mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); mt7615_mutex_acquire(dev); clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); cancel_delayed_work_sync(&phy->scan_work); cancel_delayed_work_sync(&phy->mt76->mac_work); set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt76_connac_mcu_set_suspend_iter, phy->mt76); if (!mt7615_dev_running(dev)) err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); mt7615_mutex_release(dev); return err; } static int mt7615_resume(struct ieee80211_hw *hw) { struct mt7615_phy *phy = mt7615_hw_phy(hw); struct mt7615_dev *dev = mt7615_hw_dev(hw); unsigned long timeout; bool running; mt7615_mutex_acquire(dev); running = mt7615_dev_running(dev); set_bit(MT76_STATE_RUNNING, &phy->mt76->state); if (!running) { int err; err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); if (err < 0) { mt7615_mutex_release(dev); return err; } } clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt76_connac_mcu_set_suspend_iter, phy->mt76); timeout = mt7615_get_macwork_timeout(dev); ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); mt7615_mutex_release(dev); return 0; } static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_dev *mdev = &dev->mt76; device_set_wakeup_enable(mdev->dev, enabled); } static void mt7615_set_rekey_data(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_gtk_rekey_data *data) { struct mt7615_dev *dev = mt7615_hw_dev(hw); mt7615_mutex_acquire(dev); mt76_connac_mcu_update_gtk_rekey(hw, vif, data); mt7615_mutex_release(dev); } #endif /* CONFIG_PM */ const struct ieee80211_ops mt7615_ops = { .tx = mt7615_tx, .start = mt7615_start, .stop = mt7615_stop, .add_interface = mt7615_add_interface, .remove_interface = mt7615_remove_interface, .config = mt7615_config, .conf_tx = mt7615_conf_tx, .configure_filter = mt7615_configure_filter, .bss_info_changed = mt7615_bss_info_changed, .sta_add = mt7615_sta_add, .sta_remove = mt7615_sta_remove, .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, .set_key = mt7615_set_key, .sta_set_decap_offload = mt7615_sta_set_decap_offload, .ampdu_action = mt7615_ampdu_action, .set_rts_threshold = mt7615_set_rts_threshold, .wake_tx_queue = mt76_wake_tx_queue, .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, .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 = mt7615_channel_switch_beacon, .get_stats = mt7615_get_stats, .get_tsf = mt7615_get_tsf, .set_tsf = mt7615_set_tsf, .offset_tsf = mt7615_offset_tsf, .get_survey = mt76_get_survey, .get_antenna = mt76_get_antenna, .set_antenna = mt7615_set_antenna, .set_coverage_class = mt7615_set_coverage_class, .hw_scan = mt7615_hw_scan, .cancel_hw_scan = mt7615_cancel_hw_scan, .sched_scan_start = mt7615_start_sched_scan, .sched_scan_stop = mt7615_stop_sched_scan, .remain_on_channel = mt7615_remain_on_channel, .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, CFG80211_TESTMODE_CMD(mt76_testmode_cmd) CFG80211_TESTMODE_DUMP(mt76_testmode_dump) #ifdef CONFIG_PM .suspend = mt7615_suspend, .resume = mt7615_resume, .set_wakeup = mt7615_set_wakeup, .set_rekey_data = mt7615_set_rekey_data, #endif /* CONFIG_PM */ .set_sar_specs = mt7615_set_sar_specs, }; EXPORT_SYMBOL_GPL(mt7615_ops); MODULE_LICENSE("Dual BSD/GPL");
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