From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 700 ++++++++++++++++++++++ 1 file changed, 700 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x02_util.c (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_util.c') diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c new file mode 100644 index 000000000..324535a0d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c @@ -0,0 +1,700 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2018 Stanislaw Gruszka + * Copyright (C) 2016 Felix Fietkau + */ + +#include +#include "mt76x02.h" + +#define MT76x02_CCK_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ + .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ + .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + (_idx)), \ +} + +struct ieee80211_rate mt76x02_rates[] = { + MT76x02_CCK_RATE(0, 10), + MT76x02_CCK_RATE(1, 20), + MT76x02_CCK_RATE(2, 55), + MT76x02_CCK_RATE(3, 110), + OFDM_RATE(0, 60), + OFDM_RATE(1, 90), + OFDM_RATE(2, 120), + OFDM_RATE(3, 180), + OFDM_RATE(4, 240), + OFDM_RATE(5, 360), + OFDM_RATE(6, 480), + OFDM_RATE(7, 540), +}; +EXPORT_SYMBOL_GPL(mt76x02_rates); + +static const struct ieee80211_iface_limit mt76x02_if_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_ADHOC) + }, { + .max = 8, + .types = BIT(NL80211_IFTYPE_STATION) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_AP) + }, +}; + +static const struct ieee80211_iface_limit mt76x02u_if_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_ADHOC) + }, { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_AP) + }, +}; + +static const struct ieee80211_iface_combination mt76x02_if_comb[] = { + { + .limits = mt76x02_if_limits, + .n_limits = ARRAY_SIZE(mt76x02_if_limits), + .max_interfaces = 8, + .num_different_channels = 1, + .beacon_int_infra_match = true, + .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | + BIT(NL80211_CHAN_WIDTH_20) | + BIT(NL80211_CHAN_WIDTH_40) | + BIT(NL80211_CHAN_WIDTH_80), + } +}; + +static const struct ieee80211_iface_combination mt76x02u_if_comb[] = { + { + .limits = mt76x02u_if_limits, + .n_limits = ARRAY_SIZE(mt76x02u_if_limits), + .max_interfaces = 2, + .num_different_channels = 1, + .beacon_int_infra_match = true, + } +}; + +static void +mt76x02_led_set_config(struct mt76_dev *mdev, u8 delay_on, + u8 delay_off) +{ + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, + mt76); + u32 val; + + val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xff) | + FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | + FIELD_PREP(MT_LED_STATUS_ON, delay_on); + + mt76_wr(dev, MT_LED_S0(mdev->led_pin), val); + mt76_wr(dev, MT_LED_S1(mdev->led_pin), val); + + val = MT_LED_CTRL_REPLAY(mdev->led_pin) | + MT_LED_CTRL_KICK(mdev->led_pin); + if (mdev->led_al) + val |= MT_LED_CTRL_POLARITY(mdev->led_pin); + mt76_wr(dev, MT_LED_CTRL, val); +} + +static int +mt76x02_led_set_blink(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + struct mt76_dev *mdev = container_of(led_cdev, struct mt76_dev, + led_cdev); + u8 delta_on, delta_off; + + delta_off = max_t(u8, *delay_off / 10, 1); + delta_on = max_t(u8, *delay_on / 10, 1); + + mt76x02_led_set_config(mdev, delta_on, delta_off); + + return 0; +} + +static void +mt76x02_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct mt76_dev *mdev = container_of(led_cdev, struct mt76_dev, + led_cdev); + + if (!brightness) + mt76x02_led_set_config(mdev, 0, 0xff); + else + mt76x02_led_set_config(mdev, 0xff, 0); +} + +int mt76x02_init_device(struct mt76x02_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + struct wiphy *wiphy = hw->wiphy; + + INIT_DELAYED_WORK(&dev->mphy.mac_work, mt76x02_mac_work); + + hw->queues = 4; + hw->max_rates = 1; + hw->max_report_rates = 7; + hw->max_rate_tries = 1; + hw->extra_tx_headroom = 2; + + if (mt76_is_usb(&dev->mt76)) { + hw->extra_tx_headroom += sizeof(struct mt76x02_txwi) + + MT_DMA_HDR_LEN; + wiphy->iface_combinations = mt76x02u_if_comb; + wiphy->n_iface_combinations = ARRAY_SIZE(mt76x02u_if_comb); + } else { + INIT_DELAYED_WORK(&dev->wdt_work, mt76x02_wdt_work); + + mt76x02_dfs_init_detector(dev); + + wiphy->reg_notifier = mt76x02_regd_notifier; + wiphy->iface_combinations = mt76x02_if_comb; + wiphy->n_iface_combinations = ARRAY_SIZE(mt76x02_if_comb); + + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mt76.led_cdev.brightness_set = + mt76x02_led_set_brightness; + dev->mt76.led_cdev.blink_set = mt76x02_led_set_blink; + } + } + + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); + + hw->sta_data_size = sizeof(struct mt76x02_sta); + hw->vif_data_size = sizeof(struct mt76x02_vif); + + ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); + ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); + ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); + + dev->mt76.global_wcid.idx = 255; + dev->mt76.global_wcid.hw_key_idx = -1; + dev->slottime = 9; + + if (is_mt76x2(dev)) { + dev->mphy.sband_2g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING; + dev->mphy.sband_5g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING; + dev->mphy.chainmask = 0x202; + dev->mphy.antenna_mask = 3; + } else { + dev->mphy.chainmask = 0x101; + dev->mphy.antenna_mask = 1; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_init_device); + +void mt76x02_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, u64 multicast) +{ + struct mt76x02_dev *dev = hw->priv; + u32 flags = 0; + +#define MT76_FILTER(_flag, _hw) do { \ + flags |= *total_flags & FIF_##_flag; \ + dev->mt76.rxfilter &= ~(_hw); \ + dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \ + } while (0) + + mutex_lock(&dev->mt76.mutex); + + dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS; + + MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR); + MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR); + MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK | + MT_RX_FILTR_CFG_CTS | + MT_RX_FILTR_CFG_CFEND | + MT_RX_FILTR_CFG_CFACK | + MT_RX_FILTR_CFG_BA | + MT_RX_FILTR_CFG_CTRL_RSV); + MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL); + + *total_flags = flags; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); + + mutex_unlock(&dev->mt76.mutex); +} +EXPORT_SYMBOL_GPL(mt76x02_configure_filter); + +int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv; + struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; + int idx = 0; + + memset(msta, 0, sizeof(*msta)); + + idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT76x02_N_WCIDS); + if (idx < 0) + return -ENOSPC; + + msta->vif = mvif; + msta->wcid.sta = 1; + msta->wcid.idx = idx; + msta->wcid.hw_key_idx = -1; + mt76x02_mac_wcid_setup(dev, idx, mvif->idx, sta->addr); + mt76x02_mac_wcid_set_drop(dev, idx, false); + ewma_pktlen_init(&msta->pktlen); + + if (vif->type == NL80211_IFTYPE_AP) + set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_sta_add); + +void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; + int idx = wcid->idx; + + mt76x02_mac_wcid_set_drop(dev, idx, true); + mt76x02_mac_wcid_setup(dev, idx, 0, NULL); +} +EXPORT_SYMBOL_GPL(mt76x02_sta_remove); + +static void +mt76x02_vif_init(struct mt76x02_dev *dev, struct ieee80211_vif *vif, + unsigned int idx) +{ + struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; + struct mt76_txq *mtxq; + + memset(mvif, 0, sizeof(*mvif)); + + mvif->idx = idx; + mvif->group_wcid.idx = MT_VIF_WCID(idx); + mvif->group_wcid.hw_key_idx = -1; + mt76_packet_id_init(&mvif->group_wcid); + + mtxq = (struct mt76_txq *)vif->txq->drv_priv; + rcu_assign_pointer(dev->mt76.wcid[MT_VIF_WCID(idx)], &mvif->group_wcid); + mtxq->wcid = MT_VIF_WCID(idx); +} + +int +mt76x02_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt76x02_dev *dev = hw->priv; + unsigned int idx = 0; + + /* Allow to change address in HW if we create first interface. */ + if (!dev->mt76.vif_mask && + (((vif->addr[0] ^ dev->mphy.macaddr[0]) & ~GENMASK(4, 1)) || + memcmp(vif->addr + 1, dev->mphy.macaddr + 1, ETH_ALEN - 1))) + mt76x02_mac_setaddr(dev, vif->addr); + + if (vif->addr[0] & BIT(1)) + idx = 1 + (((dev->mphy.macaddr[0] ^ vif->addr[0]) >> 2) & 7); + + /* + * Client mode typically only has one configurable BSSID register, + * which is used for bssidx=0. This is linked to the MAC address. + * Since mac80211 allows changing interface types, and we cannot + * force the use of the primary MAC address for a station mode + * interface, we need some other way of configuring a per-interface + * remote BSSID. + * The hardware provides an AP-Client feature, where bssidx 0-7 are + * used for AP mode and bssidx 8-15 for client mode. + * We shift the station interface bss index by 8 to force the + * hardware to recognize the BSSID. + * The resulting bssidx mismatch for unicast frames is ignored by hw. + */ + if (vif->type == NL80211_IFTYPE_STATION) + idx += 8; + + /* vif is already set or idx is 8 for AP/Mesh/... */ + if (dev->mt76.vif_mask & BIT_ULL(idx) || + (vif->type != NL80211_IFTYPE_STATION && idx > 7)) + return -EBUSY; + + dev->mt76.vif_mask |= BIT_ULL(idx); + + mt76x02_vif_init(dev, vif, idx); + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_add_interface); + +void mt76x02_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x02_dev *dev = hw->priv; + struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; + + dev->mt76.vif_mask &= ~BIT_ULL(mvif->idx); + rcu_assign_pointer(dev->mt76.wcid[mvif->group_wcid.idx], NULL); + mt76_packet_id_flush(&dev->mt76, &mvif->group_wcid); +} +EXPORT_SYMBOL_GPL(mt76x02_remove_interface); + +int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + enum ieee80211_ampdu_mlme_action action = params->action; + struct ieee80211_sta *sta = params->sta; + struct mt76x02_dev *dev = hw->priv; + struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv; + struct ieee80211_txq *txq = sta->txq[params->tid]; + 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); + mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); + break; + case IEEE80211_AMPDU_RX_STOP: + mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); + mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, + BIT(16 + tid)); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + mtxq->aggr = true; + mtxq->send_bar = false; + ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + mtxq->aggr = false; + break; + case IEEE80211_AMPDU_TX_START: + mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn); + ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + mtxq->aggr = false; + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + } + mutex_unlock(&dev->mt76.mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(mt76x02_ampdu_action); + +int mt76x02_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 mt76x02_dev *dev = hw->priv; + struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; + struct mt76x02_sta *msta; + struct mt76_wcid *wcid; + int idx = key->keyidx; + int ret; + + /* fall back to sw encryption for unsupported ciphers */ + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + break; + default: + return -EOPNOTSUPP; + } + + /* + * The hardware does not support per-STA RX GTK, fall back + * 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; + + /* + * In USB AP mode, broadcast/multicast frames are setup in beacon + * data registers and sent via HW beacons engine, they require to + * be already encrypted. + */ + if (mt76_is_usb(&dev->mt76) && + vif->type == NL80211_IFTYPE_AP && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -EOPNOTSUPP; + + /* MT76x0 GTK offloading does not work with more than one VIF */ + if (is_mt76x0(dev) && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -EOPNOTSUPP; + + msta = sta ? (struct mt76x02_sta *)sta->drv_priv : NULL; + wcid = msta ? &msta->wcid : &mvif->group_wcid; + + if (cmd != SET_KEY) { + if (idx == wcid->hw_key_idx) { + wcid->hw_key_idx = -1; + wcid->sw_iv = false; + } + + return 0; + } + + key->hw_key_idx = wcid->idx; + wcid->hw_key_idx = idx; + if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) { + key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; + wcid->sw_iv = true; + } + mt76_wcid_key_setup(&dev->mt76, wcid, key); + + if (!msta) { + if (key || wcid->hw_key_idx == idx) { + ret = mt76x02_mac_wcid_set_key(dev, wcid->idx, key); + if (ret) + return ret; + } + + return mt76x02_mac_shared_key_setup(dev, mvif->idx, idx, key); + } + + return mt76x02_mac_wcid_set_key(dev, msta->wcid.idx, key); +} +EXPORT_SYMBOL_GPL(mt76x02_set_key); + +int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + unsigned int link_id, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct mt76x02_dev *dev = hw->priv; + u8 cw_min = 5, cw_max = 10, qid; + u32 val; + + qid = dev->mphy.q_tx[queue]->hw_idx; + + if (params->cw_min) + cw_min = fls(params->cw_min); + if (params->cw_max) + cw_max = fls(params->cw_max); + + val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) | + FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) | + FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) | + FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max); + mt76_wr(dev, MT_EDCA_CFG_AC(qid), val); + + val = mt76_rr(dev, MT_WMM_TXOP(qid)); + val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid)); + val |= params->txop << MT_WMM_TXOP_SHIFT(qid); + mt76_wr(dev, MT_WMM_TXOP(qid), val); + + val = mt76_rr(dev, MT_WMM_AIFSN); + val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid)); + val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid); + mt76_wr(dev, MT_WMM_AIFSN, val); + + val = mt76_rr(dev, MT_WMM_CWMIN); + val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid)); + val |= cw_min << MT_WMM_CWMIN_SHIFT(qid); + mt76_wr(dev, MT_WMM_CWMIN, val); + + val = mt76_rr(dev, MT_WMM_CWMAX); + val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid)); + val |= cw_max << MT_WMM_CWMAX_SHIFT(qid); + mt76_wr(dev, MT_WMM_CWMAX, val); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_conf_tx); + +void mt76x02_set_tx_ackto(struct mt76x02_dev *dev) +{ + u8 ackto, sifs, slottime = dev->slottime; + + /* As defined by IEEE 802.11-2007 17.3.8.6 */ + slottime += 3 * dev->coverage_class; + mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, + MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); + + sifs = mt76_get_field(dev, MT_XIFS_TIME_CFG, + MT_XIFS_TIME_CFG_OFDM_SIFS); + + ackto = slottime + sifs; + mt76_rmw_field(dev, MT_TX_TIMEOUT_CFG, + MT_TX_TIMEOUT_CFG_ACKTO, ackto); +} +EXPORT_SYMBOL_GPL(mt76x02_set_tx_ackto); + +void mt76x02_set_coverage_class(struct ieee80211_hw *hw, + s16 coverage_class) +{ + struct mt76x02_dev *dev = hw->priv; + + mutex_lock(&dev->mt76.mutex); + dev->coverage_class = max_t(s16, coverage_class, 0); + mt76x02_set_tx_ackto(dev); + mutex_unlock(&dev->mt76.mutex); +} +EXPORT_SYMBOL_GPL(mt76x02_set_coverage_class); + +int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val) +{ + struct mt76x02_dev *dev = hw->priv; + + if (val != ~0 && val > 0xffff) + return -EINVAL; + + mutex_lock(&dev->mt76.mutex); + mt76x02_mac_set_rts_thresh(dev, val); + mutex_unlock(&dev->mt76.mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_set_rts_threshold); + +void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x02_dev *dev = hw->priv; + struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv; + struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates); + struct ieee80211_tx_rate rate = {}; + + if (!rates) + return; + + rate.idx = rates->rate[0].idx; + rate.flags = rates->rate[0].flags; + mt76x02_mac_wcid_set_rate(dev, &msta->wcid, &rate); +} +EXPORT_SYMBOL_GPL(mt76x02_sta_rate_tbl_update); + +void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len) +{ + int hdrlen; + + if (!len) + return; + + hdrlen = ieee80211_get_hdrlen_from_skb(skb); + memmove(skb->data + len, skb->data, hdrlen); + skb_pull(skb, len); +} +EXPORT_SYMBOL_GPL(mt76x02_remove_hdr_pad); + +void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x02_dev *dev = hw->priv; + + clear_bit(MT76_SCANNING, &dev->mphy.state); + if (dev->cal.gain_init_done) { + /* Restore AGC gain and resume calibration after scanning. */ + dev->cal.low_gain = -1; + ieee80211_queue_delayed_work(hw, &dev->cal_work, 0); + } +} +EXPORT_SYMBOL_GPL(mt76x02_sw_scan_complete); + +void mt76x02_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, + bool ps) +{ + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + struct mt76x02_sta *msta = (struct mt76x02_sta *)sta->drv_priv; + int idx = msta->wcid.idx; + + mt76_stop_tx_queues(&dev->mphy, sta, true); + if (mt76_is_mmio(mdev)) + mt76x02_mac_wcid_set_drop(dev, idx, ps); +} +EXPORT_SYMBOL_GPL(mt76x02_sta_ps); + +void mt76x02_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u64 changed) +{ + struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv; + struct mt76x02_dev *dev = hw->priv; + + mutex_lock(&dev->mt76.mutex); + + if (changed & BSS_CHANGED_BSSID) + mt76x02_mac_set_bssid(dev, mvif->idx, info->bssid); + + if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT) + mt76x02_mac_set_tx_protection(dev, info->use_cts_prot, + info->ht_operation_mode); + + if (changed & BSS_CHANGED_BEACON_INT) { + mt76_rmw_field(dev, MT_BEACON_TIME_CFG, + MT_BEACON_TIME_CFG_INTVAL, + info->beacon_int << 4); + dev->mt76.beacon_int = info->beacon_int; + } + + if (changed & BSS_CHANGED_BEACON_ENABLED) + mt76x02_mac_set_beacon_enable(dev, vif, info->enable_beacon); + + if (changed & BSS_CHANGED_ERP_PREAMBLE) + mt76x02_mac_set_short_preamble(dev, info->use_short_preamble); + + if (changed & BSS_CHANGED_ERP_SLOT) { + int slottime = info->use_short_slot ? 9 : 20; + + dev->slottime = slottime; + mt76x02_set_tx_ackto(dev); + } + + mutex_unlock(&dev->mt76.mutex); +} +EXPORT_SYMBOL_GPL(mt76x02_bss_info_changed); + +void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + struct wiphy *wiphy = hw->wiphy; + int i; + + for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) { + u8 *addr = dev->macaddr_list[i].addr; + + memcpy(addr, dev->mphy.macaddr, ETH_ALEN); + + if (!i) + continue; + + addr[0] |= BIT(1); + addr[0] ^= ((i - 1) << 2); + } + wiphy->addresses = dev->macaddr_list; + wiphy->n_addresses = ARRAY_SIZE(dev->macaddr_list); +} +EXPORT_SYMBOL_GPL(mt76x02_config_mac_addr_list); + +MODULE_LICENSE("Dual BSD/GPL"); -- cgit v1.2.3