| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Felix Fietkau | 3793 | 88.85% | 26 | 60.47% |
| Lorenzo Bianconi | 408 | 9.56% | 8 | 18.60% |
| Stanislaw Gruszka | 44 | 1.03% | 4 | 9.30% |
| Arnd Bergmann | 9 | 0.21% | 1 | 2.33% |
| Kristian Evensen | 7 | 0.16% | 1 | 2.33% |
| Ryder Lee | 4 | 0.09% | 1 | 2.33% |
| Kees Cook | 2 | 0.05% | 1 | 2.33% |
| Ben Hutchings | 2 | 0.05% | 1 | 2.33% |
| Total | 4269 | 43 |
/* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/of.h> #include "mt76.h" #define CHAN2G(_idx, _freq) { \ .band = NL80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_idx), \ .max_power = 30, \ } #define CHAN5G(_idx, _freq) { \ .band = NL80211_BAND_5GHZ, \ .center_freq = (_freq), \ .hw_value = (_idx), \ .max_power = 30, \ } static const struct ieee80211_channel mt76_channels_2ghz[] = { CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), CHAN2G(13, 2472), CHAN2G(14, 2484), }; static const struct ieee80211_channel mt76_channels_5ghz[] = { CHAN5G(36, 5180), CHAN5G(40, 5200), CHAN5G(44, 5220), CHAN5G(48, 5240), CHAN5G(52, 5260), CHAN5G(56, 5280), CHAN5G(60, 5300), CHAN5G(64, 5320), CHAN5G(100, 5500), CHAN5G(104, 5520), CHAN5G(108, 5540), CHAN5G(112, 5560), CHAN5G(116, 5580), CHAN5G(120, 5600), CHAN5G(124, 5620), CHAN5G(128, 5640), CHAN5G(132, 5660), CHAN5G(136, 5680), CHAN5G(140, 5700), CHAN5G(149, 5745), CHAN5G(153, 5765), CHAN5G(157, 5785), CHAN5G(161, 5805), CHAN5G(165, 5825), }; static const struct ieee80211_tpt_blink mt76_tpt_blink[] = { { .throughput = 0 * 1024, .blink_time = 334 }, { .throughput = 1 * 1024, .blink_time = 260 }, { .throughput = 5 * 1024, .blink_time = 220 }, { .throughput = 10 * 1024, .blink_time = 190 }, { .throughput = 20 * 1024, .blink_time = 170 }, { .throughput = 50 * 1024, .blink_time = 150 }, { .throughput = 70 * 1024, .blink_time = 130 }, { .throughput = 100 * 1024, .blink_time = 110 }, { .throughput = 200 * 1024, .blink_time = 80 }, { .throughput = 300 * 1024, .blink_time = 50 }, }; static int mt76_led_init(struct mt76_dev *dev) { struct device_node *np = dev->dev->of_node; struct ieee80211_hw *hw = dev->hw; int led_pin; if (!dev->led_cdev.brightness_set && !dev->led_cdev.blink_set) return 0; snprintf(dev->led_name, sizeof(dev->led_name), "mt76-%s", wiphy_name(hw->wiphy)); dev->led_cdev.name = dev->led_name; dev->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(hw, IEEE80211_TPT_LEDTRIG_FL_RADIO, mt76_tpt_blink, ARRAY_SIZE(mt76_tpt_blink)); np = of_get_child_by_name(np, "led"); if (np) { if (!of_property_read_u32(np, "led-sources", &led_pin)) dev->led_pin = led_pin; dev->led_al = of_property_read_bool(np, "led-active-low"); } return devm_led_classdev_register(dev->dev, &dev->led_cdev); } static void mt76_init_stream_cap(struct mt76_dev *dev, struct ieee80211_supported_band *sband, bool vht) { struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; int i, nstream = hweight8(dev->antenna_mask); struct ieee80211_sta_vht_cap *vht_cap; u16 mcs_map = 0; if (nstream > 1) ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC; else ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC; for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) ht_cap->mcs.rx_mask[i] = i < nstream ? 0xff : 0; if (!vht) return; vht_cap = &sband->vht_cap; if (nstream > 1) vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; else vht_cap->cap &= ~IEEE80211_VHT_CAP_TXSTBC; for (i = 0; i < 8; i++) { if (i < nstream) mcs_map |= (IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2)); else mcs_map |= (IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2)); } vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); } void mt76_set_stream_caps(struct mt76_dev *dev, bool vht) { if (dev->cap.has_2ghz) mt76_init_stream_cap(dev, &dev->sband_2g.sband, false); if (dev->cap.has_5ghz) mt76_init_stream_cap(dev, &dev->sband_5g.sband, vht); } EXPORT_SYMBOL_GPL(mt76_set_stream_caps); static int mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband, const struct ieee80211_channel *chan, int n_chan, struct ieee80211_rate *rates, int n_rates, bool vht) { struct ieee80211_supported_band *sband = &msband->sband; struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; void *chanlist; int size; size = n_chan * sizeof(*chan); chanlist = devm_kmemdup(dev->dev, chan, size, GFP_KERNEL); if (!chanlist) return -ENOMEM; msband->chan = devm_kcalloc(dev->dev, n_chan, sizeof(*msband->chan), GFP_KERNEL); if (!msband->chan) return -ENOMEM; sband->channels = chanlist; sband->n_channels = n_chan; sband->bitrates = rates; sband->n_bitrates = n_rates; dev->chandef.chan = &sband->channels[0]; ht_cap = &sband->ht_cap; ht_cap->ht_supported = true; ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4; mt76_init_stream_cap(dev, sband, vht); if (!vht) return 0; vht_cap = &sband->vht_cap; vht_cap->vht_supported = true; vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC | IEEE80211_VHT_CAP_RXSTBC_1 | IEEE80211_VHT_CAP_SHORT_GI_80 | IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | (3 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); return 0; } static int mt76_init_sband_2g(struct mt76_dev *dev, struct ieee80211_rate *rates, int n_rates) { dev->hw->wiphy->bands[NL80211_BAND_2GHZ] = &dev->sband_2g.sband; return mt76_init_sband(dev, &dev->sband_2g, mt76_channels_2ghz, ARRAY_SIZE(mt76_channels_2ghz), rates, n_rates, false); } static int mt76_init_sband_5g(struct mt76_dev *dev, struct ieee80211_rate *rates, int n_rates, bool vht) { dev->hw->wiphy->bands[NL80211_BAND_5GHZ] = &dev->sband_5g.sband; return mt76_init_sband(dev, &dev->sband_5g, mt76_channels_5ghz, ARRAY_SIZE(mt76_channels_5ghz), rates, n_rates, vht); } static void mt76_check_sband(struct mt76_dev *dev, int band) { struct ieee80211_supported_band *sband = dev->hw->wiphy->bands[band]; bool found = false; int i; if (!sband) return; for (i = 0; i < sband->n_channels; i++) { if (sband->channels[i].flags & IEEE80211_CHAN_DISABLED) continue; found = true; break; } if (found) return; sband->n_channels = 0; dev->hw->wiphy->bands[band] = NULL; } struct mt76_dev * mt76_alloc_device(struct device *pdev, unsigned int size, const struct ieee80211_ops *ops, const struct mt76_driver_ops *drv_ops) { struct ieee80211_hw *hw; struct mt76_dev *dev; hw = ieee80211_alloc_hw(size, ops); if (!hw) return NULL; dev = hw->priv; dev->hw = hw; dev->dev = pdev; dev->drv = drv_ops; spin_lock_init(&dev->rx_lock); spin_lock_init(&dev->lock); spin_lock_init(&dev->cc_lock); mutex_init(&dev->mutex); init_waitqueue_head(&dev->tx_wait); skb_queue_head_init(&dev->status_list); return dev; } EXPORT_SYMBOL_GPL(mt76_alloc_device); int mt76_register_device(struct mt76_dev *dev, bool vht, struct ieee80211_rate *rates, int n_rates) { struct ieee80211_hw *hw = dev->hw; struct wiphy *wiphy = hw->wiphy; int ret; dev_set_drvdata(dev->dev, dev); INIT_LIST_HEAD(&dev->txwi_cache); SET_IEEE80211_DEV(hw, dev->dev); SET_IEEE80211_PERM_ADDR(hw, dev->macaddr); wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR; wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); wiphy->available_antennas_tx = dev->antenna_mask; wiphy->available_antennas_rx = dev->antenna_mask; hw->txq_data_size = sizeof(struct mt76_txq); hw->max_tx_fragments = 16; ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, PS_NULLFUNC_STACK); ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); ieee80211_hw_set(hw, TX_AMSDU); ieee80211_hw_set(hw, TX_FRAG_LIST); ieee80211_hw_set(hw, MFP_CAPABLE); ieee80211_hw_set(hw, AP_LINK_PS); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); wiphy->flags |= WIPHY_FLAG_IBSS_RSN; if (dev->cap.has_2ghz) { ret = mt76_init_sband_2g(dev, rates, n_rates); if (ret) return ret; } if (dev->cap.has_5ghz) { ret = mt76_init_sband_5g(dev, rates + 4, n_rates - 4, vht); if (ret) return ret; } wiphy_read_of_freq_limits(dev->hw->wiphy); mt76_check_sband(dev, NL80211_BAND_2GHZ); mt76_check_sband(dev, NL80211_BAND_5GHZ); if (IS_ENABLED(CONFIG_MT76_LEDS)) { ret = mt76_led_init(dev); if (ret) return ret; } return ieee80211_register_hw(hw); } EXPORT_SYMBOL_GPL(mt76_register_device); void mt76_unregister_device(struct mt76_dev *dev) { struct ieee80211_hw *hw = dev->hw; mt76_tx_status_check(dev, NULL, true); ieee80211_unregister_hw(hw); } EXPORT_SYMBOL_GPL(mt76_unregister_device); void mt76_free_device(struct mt76_dev *dev) { mt76_tx_free(dev); ieee80211_free_hw(dev->hw); } EXPORT_SYMBOL_GPL(mt76_free_device); void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb) { if (!test_bit(MT76_STATE_RUNNING, &dev->state)) { dev_kfree_skb(skb); return; } __skb_queue_tail(&dev->rx_skb[q], skb); } EXPORT_SYMBOL_GPL(mt76_rx); bool mt76_has_tx_pending(struct mt76_dev *dev) { struct mt76_queue *q; int i; for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) { q = dev->q_tx[i].q; if (q && q->queued) return true; } return false; } EXPORT_SYMBOL_GPL(mt76_has_tx_pending); void mt76_set_channel(struct mt76_dev *dev) { struct ieee80211_hw *hw = dev->hw; struct cfg80211_chan_def *chandef = &hw->conf.chandef; struct mt76_channel_state *state; bool offchannel = hw->conf.flags & IEEE80211_CONF_OFFCHANNEL; int timeout = HZ / 5; if (offchannel) set_bit(MT76_OFFCHANNEL, &dev->state); else clear_bit(MT76_OFFCHANNEL, &dev->state); wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(dev), timeout); if (dev->drv->update_survey) dev->drv->update_survey(dev); dev->chandef = *chandef; if (!offchannel) dev->main_chan = chandef->chan; if (chandef->chan != dev->main_chan) { state = mt76_channel_state(dev, chandef->chan); memset(state, 0, sizeof(*state)); } } EXPORT_SYMBOL_GPL(mt76_set_channel); int mt76_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { struct mt76_dev *dev = hw->priv; struct mt76_sband *sband; struct ieee80211_channel *chan; struct mt76_channel_state *state; int ret = 0; if (idx == 0 && dev->drv->update_survey) dev->drv->update_survey(dev); sband = &dev->sband_2g; if (idx >= sband->sband.n_channels) { idx -= sband->sband.n_channels; sband = &dev->sband_5g; } if (idx >= sband->sband.n_channels) return -ENOENT; chan = &sband->sband.channels[idx]; state = mt76_channel_state(dev, chan); memset(survey, 0, sizeof(*survey)); survey->channel = chan; survey->filled = SURVEY_INFO_TIME | SURVEY_INFO_TIME_BUSY; if (chan == dev->main_chan) survey->filled |= SURVEY_INFO_IN_USE; spin_lock_bh(&dev->cc_lock); survey->time = div_u64(state->cc_active, 1000); survey->time_busy = div_u64(state->cc_busy, 1000); spin_unlock_bh(&dev->cc_lock); return ret; } EXPORT_SYMBOL_GPL(mt76_get_survey); void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid, struct ieee80211_key_conf *key) { struct ieee80211_key_seq seq; int i; wcid->rx_check_pn = false; if (!key) return; if (key->cipher == WLAN_CIPHER_SUITE_CCMP) wcid->rx_check_pn = true; for (i = 0; i < IEEE80211_NUM_TIDS; i++) { ieee80211_get_key_rx_seq(key, i, &seq); memcpy(wcid->rx_key_pn[i], seq.ccmp.pn, sizeof(seq.ccmp.pn)); } } EXPORT_SYMBOL(mt76_wcid_key_setup); struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb) { struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct mt76_rx_status mstat; mstat = *((struct mt76_rx_status *) skb->cb); memset(status, 0, sizeof(*status)); status->flag = mstat.flag; status->freq = mstat.freq; status->enc_flags = mstat.enc_flags; status->encoding = mstat.encoding; status->bw = mstat.bw; status->rate_idx = mstat.rate_idx; status->nss = mstat.nss; status->band = mstat.band; status->signal = mstat.signal; status->chains = mstat.chains; BUILD_BUG_ON(sizeof(mstat) > sizeof(skb->cb)); BUILD_BUG_ON(sizeof(status->chain_signal) != sizeof(mstat.chain_signal)); memcpy(status->chain_signal, mstat.chain_signal, sizeof(mstat.chain_signal)); return wcid_to_sta(mstat.wcid); } EXPORT_SYMBOL(mt76_rx_convert); static int mt76_check_ccmp_pn(struct sk_buff *skb) { struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; struct mt76_wcid *wcid = status->wcid; struct ieee80211_hdr *hdr; int ret; if (!(status->flag & RX_FLAG_DECRYPTED)) return 0; if (!wcid || !wcid->rx_check_pn) return 0; if (!(status->flag & RX_FLAG_IV_STRIPPED)) { /* * Validate the first fragment both here and in mac80211 * All further fragments will be validated by mac80211 only. */ hdr = (struct ieee80211_hdr *) skb->data; if (ieee80211_is_frag(hdr) && !ieee80211_is_first_frag(hdr->frame_control)) return 0; } BUILD_BUG_ON(sizeof(status->iv) != sizeof(wcid->rx_key_pn[0])); ret = memcmp(status->iv, wcid->rx_key_pn[status->tid], sizeof(status->iv)); if (ret <= 0) return -EINVAL; /* replay */ memcpy(wcid->rx_key_pn[status->tid], status->iv, sizeof(status->iv)); if (status->flag & RX_FLAG_IV_STRIPPED) status->flag |= RX_FLAG_PN_VALIDATED; return 0; } static void mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) { struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_sta *sta; struct mt76_wcid *wcid = status->wcid; bool ps; int i; if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) { sta = ieee80211_find_sta_by_ifaddr(dev->hw, hdr->addr2, NULL); if (sta) wcid = status->wcid = (struct mt76_wcid *) sta->drv_priv; } if (!wcid || !wcid->sta) return; sta = container_of((void *) wcid, struct ieee80211_sta, drv_priv); if (status->signal <= 0) ewma_signal_add(&wcid->rssi, -status->signal); wcid->inactive_count = 0; if (!test_bit(MT_WCID_FLAG_CHECK_PS, &wcid->flags)) return; if (ieee80211_is_pspoll(hdr->frame_control)) { ieee80211_sta_pspoll(sta); return; } if (ieee80211_has_morefrags(hdr->frame_control) || !(ieee80211_is_mgmt(hdr->frame_control) || ieee80211_is_data(hdr->frame_control))) return; ps = ieee80211_has_pm(hdr->frame_control); if (ps && (ieee80211_is_data_qos(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control))) ieee80211_sta_uapsd_trigger(sta, status->tid); if (!!test_bit(MT_WCID_FLAG_PS, &wcid->flags) == ps) return; if (ps) set_bit(MT_WCID_FLAG_PS, &wcid->flags); else clear_bit(MT_WCID_FLAG_PS, &wcid->flags); dev->drv->sta_ps(dev, sta, ps); ieee80211_sta_ps_transition(sta, ps); if (ps) return; for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { struct mt76_txq *mtxq; if (!sta->txq[i]) continue; mtxq = (struct mt76_txq *) sta->txq[i]->drv_priv; if (!skb_queue_empty(&mtxq->retry_q)) ieee80211_schedule_txq(dev->hw, sta->txq[i]); } } void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames, struct napi_struct *napi) { struct ieee80211_sta *sta; struct sk_buff *skb; spin_lock(&dev->rx_lock); while ((skb = __skb_dequeue(frames)) != NULL) { if (mt76_check_ccmp_pn(skb)) { dev_kfree_skb(skb); continue; } sta = mt76_rx_convert(skb); ieee80211_rx_napi(dev->hw, sta, skb, napi); } spin_unlock(&dev->rx_lock); } void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q, struct napi_struct *napi) { struct sk_buff_head frames; struct sk_buff *skb; __skb_queue_head_init(&frames); while ((skb = __skb_dequeue(&dev->rx_skb[q])) != NULL) { mt76_check_sta(dev, skb); mt76_rx_aggr_reorder(skb, &frames); } mt76_rx_complete(dev, &frames, napi); } EXPORT_SYMBOL_GPL(mt76_rx_poll_complete); static int mt76_sta_add(struct mt76_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; int ret; int i; mutex_lock(&dev->mutex); ret = dev->drv->sta_add(dev, vif, sta); if (ret) goto out; for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { struct mt76_txq *mtxq; if (!sta->txq[i]) continue; mtxq = (struct mt76_txq *)sta->txq[i]->drv_priv; mtxq->wcid = wcid; mt76_txq_init(dev, sta->txq[i]); } ewma_signal_init(&wcid->rssi); rcu_assign_pointer(dev->wcid[wcid->idx], wcid); out: mutex_unlock(&dev->mutex); return ret; } void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; int i, idx = wcid->idx; rcu_assign_pointer(dev->wcid[idx], NULL); synchronize_rcu(); if (dev->drv->sta_remove) dev->drv->sta_remove(dev, vif, sta); mt76_tx_status_check(dev, wcid, true); for (i = 0; i < ARRAY_SIZE(sta->txq); i++) mt76_txq_remove(dev, sta->txq[i]); mt76_wcid_free(dev->wcid_mask, idx); } EXPORT_SYMBOL_GPL(__mt76_sta_remove); static void mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { mutex_lock(&dev->mutex); __mt76_sta_remove(dev, vif, sta); mutex_unlock(&dev->mutex); } int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state) { struct mt76_dev *dev = hw->priv; if (old_state == IEEE80211_STA_NOTEXIST && new_state == IEEE80211_STA_NONE) return mt76_sta_add(dev, vif, sta); if (old_state == IEEE80211_STA_AUTH && new_state == IEEE80211_STA_ASSOC && dev->drv->sta_assoc) dev->drv->sta_assoc(dev, vif, sta); if (old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST) mt76_sta_remove(dev, vif, sta); return 0; } EXPORT_SYMBOL_GPL(mt76_sta_state); int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm) { struct mt76_dev *dev = hw->priv; int n_chains = hweight8(dev->antenna_mask); *dbm = DIV_ROUND_UP(dev->txpower_cur, 2); /* convert from per-chain power to combined * output on 2x2 devices */ if (n_chains > 1) *dbm += 3; return 0; } EXPORT_SYMBOL_GPL(mt76_get_txpower); static void __mt76_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { if (vif->csa_active && ieee80211_csa_is_complete(vif)) ieee80211_csa_finish(vif); } void mt76_csa_finish(struct mt76_dev *dev) { if (!dev->csa_complete) return; ieee80211_iterate_active_interfaces_atomic(dev->hw, IEEE80211_IFACE_ITER_RESUME_ALL, __mt76_csa_finish, dev); dev->csa_complete = 0; } EXPORT_SYMBOL_GPL(mt76_csa_finish); static void __mt76_csa_check(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt76_dev *dev = priv; if (!vif->csa_active) return; dev->csa_complete |= ieee80211_csa_is_complete(vif); } void mt76_csa_check(struct mt76_dev *dev) { ieee80211_iterate_active_interfaces_atomic(dev->hw, IEEE80211_IFACE_ITER_RESUME_ALL, __mt76_csa_check, dev); } EXPORT_SYMBOL_GPL(mt76_csa_check); int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) { return 0; } EXPORT_SYMBOL_GPL(mt76_set_tim);
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