[][MAC80211][misc][preliminary version of Filogic 680 on Filogic 880]

[Description]
Add preliminary version of Filogic 680 on Filogic 880.
Based on mt76 revision: 269df4b01f27 ("wifi: mt76: fix rx checksum offload on mt7615/mt7915/mt7921")

This series adds mt7996, a new mac80211 driver for MediaTek Wi-Fi 7
(802.11be) devices, which currently supports AP, station, mesh, and
monitor modes.

mt7996 first supports Filogic 680, which is a Wi-Fi 7 chipset supporting
concurrent tri-band operation at 6 GHz, 5 GHz, and 2.4 GHz with 4x4
antennas on each band. There are several variants that will be added in
upcoming patches. For more details, please refer to [1].

mt7996 supports only Wi-Fi 6E at the moment, whereas Wi-Fi 7 and its
specific features are work in progress. They will be introduced in
further patches.

[1] https://corp.mediatek.com/news-events/press-releases/mediatek-announces-worlds-first-complete-wi-fi-7-platforms-for-access-points-and-clients

[Release-log]
N/A

Change-Id: I7d3dea2626556751c9b0462e587743fad5287be0
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6709775
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x02_util.c b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x02_util.c
new file mode 100644
index 0000000..5bd0a0b
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x02_util.c
@@ -0,0 +1,699 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ */
+
+#include <linux/module.h>
+#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) {
+		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;
+		}
+	} else {
+		if (idx == wcid->hw_key_idx) {
+			wcid->hw_key_idx = -1;
+			wcid->sw_iv = false;
+		}
+
+		key = NULL;
+	}
+	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,
+		    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,
+			      u32 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");