From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom

---
 kernel/drivers/net/wireless/mediatek/mt76/mac80211.c |  825 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 702 insertions(+), 123 deletions(-)

diff --git a/kernel/drivers/net/wireless/mediatek/mt76/mac80211.c b/kernel/drivers/net/wireless/mediatek/mt76/mac80211.c
index 1b5abd4..81ff3b4 100644
--- a/kernel/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/kernel/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: ISC
 /*
  * 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/sched.h>
 #include <linux/of.h>
 #include "mt76.h"
 
@@ -69,12 +59,15 @@
 	CHAN5G(132, 5660),
 	CHAN5G(136, 5680),
 	CHAN5G(140, 5700),
+	CHAN5G(144, 5720),
 
 	CHAN5G(149, 5745),
 	CHAN5G(153, 5765),
 	CHAN5G(157, 5785),
 	CHAN5G(161, 5805),
 	CHAN5G(165, 5825),
+	CHAN5G(169, 5845),
+	CHAN5G(173, 5865),
 };
 
 static const struct ieee80211_tpt_blink mt76_tpt_blink[] = {
@@ -114,17 +107,26 @@
 		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");
+		of_node_put(np);
 	}
 
-	return devm_led_classdev_register(dev->dev, &dev->led_cdev);
+	return led_classdev_register(dev->dev, &dev->led_cdev);
 }
 
-static void mt76_init_stream_cap(struct mt76_dev *dev,
+static void mt76_led_cleanup(struct mt76_dev *dev)
+{
+	if (!dev->led_cdev.brightness_set && !dev->led_cdev.blink_set)
+		return;
+
+	led_classdev_unregister(&dev->led_cdev);
+}
+
+static void mt76_init_stream_cap(struct mt76_phy *phy,
 				 struct ieee80211_supported_band *sband,
 				 bool vht)
 {
 	struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
-	int i, nstream = __sw_hweight8(dev->antenna_mask);
+	int i, nstream = hweight8(phy->antenna_mask);
 	struct ieee80211_sta_vht_cap *vht_cap;
 	u16 mcs_map = 0;
 
@@ -156,12 +158,12 @@
 	vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 }
 
-void mt76_set_stream_caps(struct mt76_dev *dev, bool vht)
+void mt76_set_stream_caps(struct mt76_phy *phy, 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);
+	if (phy->dev->cap.has_2ghz)
+		mt76_init_stream_cap(phy, &phy->sband_2g.sband, false);
+	if (phy->dev->cap.has_5ghz)
+		mt76_init_stream_cap(phy, &phy->sband_5g.sband, vht);
 }
 EXPORT_SYMBOL_GPL(mt76_set_stream_caps);
 
@@ -190,7 +192,6 @@
 	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;
@@ -202,9 +203,8 @@
 
 	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);
+	mt76_init_stream_cap(&dev->phy, sband, vht);
 
 	if (!vht)
 		return 0;
@@ -214,6 +214,8 @@
 	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;
@@ -223,9 +225,9 @@
 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;
+	dev->hw->wiphy->bands[NL80211_BAND_2GHZ] = &dev->phy.sband_2g.sband;
 
-	return mt76_init_sband(dev, &dev->sband_2g,
+	return mt76_init_sband(dev, &dev->phy.sband_2g,
 			       mt76_channels_2ghz,
 			       ARRAY_SIZE(mt76_channels_2ghz),
 			       rates, n_rates, false);
@@ -235,18 +237,19 @@
 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;
+	dev->hw->wiphy->bands[NL80211_BAND_5GHZ] = &dev->phy.sband_5g.sband;
 
-	return mt76_init_sband(dev, &dev->sband_5g,
+	return mt76_init_sband(dev, &dev->phy.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)
+mt76_check_sband(struct mt76_phy *phy, struct mt76_sband *msband,
+		 enum nl80211_band band)
 {
-	struct ieee80211_supported_band *sband = dev->hw->wiphy->bands[band];
+	struct ieee80211_supported_band *sband = &msband->sband;
 	bool found = false;
 	int i;
 
@@ -261,18 +264,154 @@
 		break;
 	}
 
-	if (found)
+	if (found) {
+		phy->chandef.chan = &sband->channels[0];
+		phy->chan_state = &msband->chan[0];
 		return;
+	}
 
 	sband->n_channels = 0;
-	dev->hw->wiphy->bands[band] = NULL;
+	phy->hw->wiphy->bands[band] = NULL;
 }
 
-struct mt76_dev *
-mt76_alloc_device(unsigned int size, const struct ieee80211_ops *ops)
+static void
+mt76_phy_init(struct mt76_dev *dev, struct ieee80211_hw *hw)
+{
+	struct wiphy *wiphy = hw->wiphy;
+
+	SET_IEEE80211_DEV(hw, dev->dev);
+	SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);
+
+	wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
+	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
+			WIPHY_FLAG_SUPPORTS_TDLS |
+			WIPHY_FLAG_AP_UAPSD;
+
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AQL);
+
+	wiphy->available_antennas_tx = dev->phy.antenna_mask;
+	wiphy->available_antennas_rx = dev->phy.antenna_mask;
+
+	hw->txq_data_size = sizeof(struct mt76_txq);
+	hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL;
+
+	if (!hw->max_tx_fragments)
+		hw->max_tx_fragments = 16;
+
+	ieee80211_hw_set(hw, SIGNAL_DBM);
+	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, SUPPORTS_REORDERING_BUFFER);
+
+	if (!(dev->drv->drv_flags & MT_DRV_AMSDU_OFFLOAD)) {
+		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;
+	wiphy->interface_modes =
+		BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+		BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+		BIT(NL80211_IFTYPE_P2P_CLIENT) |
+		BIT(NL80211_IFTYPE_P2P_GO) |
+		BIT(NL80211_IFTYPE_ADHOC);
+}
+
+struct mt76_phy *
+mt76_alloc_phy(struct mt76_dev *dev, unsigned int size,
+	       const struct ieee80211_ops *ops)
 {
 	struct ieee80211_hw *hw;
+	struct mt76_phy *phy;
+	unsigned int phy_size, chan_size;
+	unsigned int size_2g, size_5g;
+	void *priv;
+
+	phy_size = ALIGN(sizeof(*phy), 8);
+	chan_size = sizeof(dev->phy.sband_2g.chan[0]);
+	size_2g = ALIGN(ARRAY_SIZE(mt76_channels_2ghz) * chan_size, 8);
+	size_5g = ALIGN(ARRAY_SIZE(mt76_channels_5ghz) * chan_size, 8);
+
+	size += phy_size + size_2g + size_5g;
+	hw = ieee80211_alloc_hw(size, ops);
+	if (!hw)
+		return NULL;
+
+	phy = hw->priv;
+	phy->dev = dev;
+	phy->hw = hw;
+
+	mt76_phy_init(dev, hw);
+
+	priv = hw->priv + phy_size;
+
+	phy->sband_2g = dev->phy.sband_2g;
+	phy->sband_2g.chan = priv;
+	priv += size_2g;
+
+	phy->sband_5g = dev->phy.sband_5g;
+	phy->sband_5g.chan = priv;
+	priv += size_5g;
+
+	phy->priv = priv;
+
+	hw->wiphy->bands[NL80211_BAND_2GHZ] = &phy->sband_2g.sband;
+	hw->wiphy->bands[NL80211_BAND_5GHZ] = &phy->sband_5g.sband;
+
+	mt76_check_sband(phy, &phy->sband_2g, NL80211_BAND_2GHZ);
+	mt76_check_sband(phy, &phy->sband_5g, NL80211_BAND_5GHZ);
+
+	return phy;
+}
+EXPORT_SYMBOL_GPL(mt76_alloc_phy);
+
+int
+mt76_register_phy(struct mt76_phy *phy)
+{
+	int ret;
+
+	ret = ieee80211_register_hw(phy->hw);
+	if (ret)
+		return ret;
+
+	phy->dev->phy2 = phy;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_register_phy);
+
+void
+mt76_unregister_phy(struct mt76_phy *phy)
+{
+	struct mt76_dev *dev = phy->dev;
+
+	dev->phy2 = NULL;
+	mt76_tx_status_check(dev, NULL, true);
+	ieee80211_unregister_hw(phy->hw);
+}
+EXPORT_SYMBOL_GPL(mt76_unregister_phy);
+
+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_phy *phy;
 	struct mt76_dev *dev;
+	int i;
 
 	hw = ieee80211_alloc_hw(size, ops);
 	if (!hw)
@@ -280,10 +419,35 @@
 
 	dev = hw->priv;
 	dev->hw = hw;
+	dev->dev = pdev;
+	dev->drv = drv_ops;
+
+	phy = &dev->phy;
+	phy->dev = dev;
+	phy->hw = hw;
+
 	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);
+
+	skb_queue_head_init(&dev->mcu.res_q);
+	init_waitqueue_head(&dev->mcu.wait);
+	mutex_init(&dev->mcu.mutex);
+	dev->tx_worker.fn = mt76_tx_worker;
+
+	INIT_LIST_HEAD(&dev->txwi_cache);
+
+	for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++)
+		skb_queue_head_init(&dev->rx_skb[i]);
+
+	dev->wq = alloc_ordered_workqueue("mt76", 0);
+	if (!dev->wq) {
+		ieee80211_free_hw(hw);
+		return NULL;
+	}
 
 	return dev;
 }
@@ -293,38 +457,11 @@
 			 struct ieee80211_rate *rates, int n_rates)
 {
 	struct ieee80211_hw *hw = dev->hw;
-	struct wiphy *wiphy = hw->wiphy;
+	struct mt76_phy *phy = &dev->phy;
 	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->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);
-
-	wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+	mt76_phy_init(dev, hw);
 
 	if (dev->cap.has_2ghz) {
 		ret = mt76_init_sband_2g(dev, rates, n_rates);
@@ -338,9 +475,9 @@
 			return ret;
 	}
 
-	wiphy_read_of_freq_limits(dev->hw->wiphy);
-	mt76_check_sband(dev, NL80211_BAND_2GHZ);
-	mt76_check_sband(dev, NL80211_BAND_5GHZ);
+	wiphy_read_of_freq_limits(hw->wiphy);
+	mt76_check_sband(&dev->phy, &phy->sband_2g, NL80211_BAND_2GHZ);
+	mt76_check_sband(&dev->phy, &phy->sband_5g, NL80211_BAND_5GHZ);
 
 	if (IS_ENABLED(CONFIG_MT76_LEDS)) {
 		ret = mt76_led_init(dev);
@@ -348,7 +485,14 @@
 			return ret;
 	}
 
-	return ieee80211_register_hw(hw);
+	ret = ieee80211_register_hw(hw);
+	if (ret)
+		return ret;
+
+	WARN_ON(mt76_worker_setup(hw, &dev->tx_worker, NULL, "tx"));
+	sched_set_fifo_low(dev->tx_worker.task);
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(mt76_register_device);
 
@@ -356,98 +500,187 @@
 {
 	struct ieee80211_hw *hw = dev->hw;
 
+	if (IS_ENABLED(CONFIG_MT76_LEDS))
+		mt76_led_cleanup(dev);
+	mt76_tx_status_check(dev, NULL, true);
 	ieee80211_unregister_hw(hw);
-	mt76_tx_free(dev);
 }
 EXPORT_SYMBOL_GPL(mt76_unregister_device);
 
+void mt76_free_device(struct mt76_dev *dev)
+{
+	mt76_worker_teardown(&dev->tx_worker);
+	if (dev->wq) {
+		destroy_workqueue(dev->wq);
+		dev->wq = NULL;
+	}
+	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)) {
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+	struct mt76_phy *phy = mt76_dev_phy(dev, status->ext_phy);
+
+	if (!test_bit(MT76_STATE_RUNNING, &phy->state)) {
 		dev_kfree_skb(skb);
 		return;
 	}
 
+#ifdef CONFIG_NL80211_TESTMODE
+	if (dev->test.state == MT76_TM_STATE_RX_FRAMES) {
+		dev->test.rx_stats.packets[q]++;
+		if (status->flag & RX_FLAG_FAILED_FCS_CRC)
+			dev->test.rx_stats.fcs_error[q]++;
+	}
+#endif
 	__skb_queue_tail(&dev->rx_skb[q], skb);
 }
 EXPORT_SYMBOL_GPL(mt76_rx);
 
-static bool mt76_has_tx_pending(struct mt76_dev *dev)
+bool mt76_has_tx_pending(struct mt76_phy *phy)
 {
-	int i;
+	struct mt76_dev *dev = phy->dev;
+	struct mt76_queue *q;
+	int i, offset;
 
-	for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) {
-		if (dev->q_tx[i].queued)
+	offset = __MT_TXQ_MAX * (phy != &dev->phy);
+
+	for (i = 0; i < __MT_TXQ_MAX; i++) {
+		q = dev->q_tx[offset + i];
+		if (q && q->queued)
 			return true;
 	}
 
 	return false;
 }
+EXPORT_SYMBOL_GPL(mt76_has_tx_pending);
 
-void mt76_set_channel(struct mt76_dev *dev)
+static struct mt76_channel_state *
+mt76_channel_state(struct mt76_phy *phy, struct ieee80211_channel *c)
 {
-	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;
+	struct mt76_sband *msband;
+	int idx;
 
-	if (offchannel)
-		set_bit(MT76_OFFCHANNEL, &dev->state);
+	if (c->band == NL80211_BAND_2GHZ)
+		msband = &phy->sband_2g;
 	else
-		clear_bit(MT76_OFFCHANNEL, &dev->state);
+		msband = &phy->sband_5g;
 
-	wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(dev), timeout);
+	idx = c - &msband->sband.channels[0];
+	return &msband->chan[idx];
+}
+
+void mt76_update_survey_active_time(struct mt76_phy *phy, ktime_t time)
+{
+	struct mt76_channel_state *state = phy->chan_state;
+
+	state->cc_active += ktime_to_us(ktime_sub(time,
+						  phy->survey_time));
+	phy->survey_time = time;
+}
+EXPORT_SYMBOL_GPL(mt76_update_survey_active_time);
+
+void mt76_update_survey(struct mt76_dev *dev)
+{
+	ktime_t cur_time;
 
 	if (dev->drv->update_survey)
 		dev->drv->update_survey(dev);
 
-	dev->chandef = *chandef;
+	cur_time = ktime_get_boottime();
+	mt76_update_survey_active_time(&dev->phy, cur_time);
+	if (dev->phy2)
+		mt76_update_survey_active_time(dev->phy2, cur_time);
+
+	if (dev->drv->drv_flags & MT_DRV_SW_RX_AIRTIME) {
+		struct mt76_channel_state *state = dev->phy.chan_state;
+
+		spin_lock_bh(&dev->cc_lock);
+		state->cc_bss_rx += dev->cur_cc_bss_rx;
+		dev->cur_cc_bss_rx = 0;
+		spin_unlock_bh(&dev->cc_lock);
+	}
+}
+EXPORT_SYMBOL_GPL(mt76_update_survey);
+
+void mt76_set_channel(struct mt76_phy *phy)
+{
+	struct mt76_dev *dev = phy->dev;
+	struct ieee80211_hw *hw = phy->hw;
+	struct cfg80211_chan_def *chandef = &hw->conf.chandef;
+	bool offchannel = hw->conf.flags & IEEE80211_CONF_OFFCHANNEL;
+	int timeout = HZ / 5;
+
+	wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(phy), timeout);
+	mt76_update_survey(dev);
+
+	phy->chandef = *chandef;
+	phy->chan_state = mt76_channel_state(phy, chandef->chan);
 
 	if (!offchannel)
-		dev->main_chan = chandef->chan;
+		phy->main_chan = chandef->chan;
 
-	if (chandef->chan != dev->main_chan) {
-		state = mt76_channel_state(dev, chandef->chan);
-		memset(state, 0, sizeof(*state));
-	}
+	if (chandef->chan != phy->main_chan)
+		memset(phy->chan_state, 0, sizeof(*phy->chan_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_phy *phy = hw->priv;
+	struct mt76_dev *dev = phy->dev;
 	struct mt76_sband *sband;
 	struct ieee80211_channel *chan;
 	struct mt76_channel_state *state;
 	int ret = 0;
 
+	mutex_lock(&dev->mutex);
 	if (idx == 0 && dev->drv->update_survey)
-		dev->drv->update_survey(dev);
+		mt76_update_survey(dev);
 
-	sband = &dev->sband_2g;
+	sband = &phy->sband_2g;
 	if (idx >= sband->sband.n_channels) {
 		idx -= sband->sband.n_channels;
-		sband = &dev->sband_5g;
+		sband = &phy->sband_5g;
 	}
 
-	if (idx >= sband->sband.n_channels)
-		return -ENOENT;
+	if (idx >= sband->sband.n_channels) {
+		ret = -ENOENT;
+		goto out;
+	}
 
 	chan = &sband->sband.channels[idx];
-	state = mt76_channel_state(dev, chan);
+	state = mt76_channel_state(phy, 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 |= dev->drv->survey_flags;
+	if (state->noise)
+		survey->filled |= SURVEY_INFO_NOISE_DBM;
+
+	if (chan == phy->main_chan) {
 		survey->filled |= SURVEY_INFO_IN_USE;
 
-	spin_lock_bh(&dev->cc_lock);
-	survey->time = div_u64(state->cc_active, 1000);
+		if (dev->drv->drv_flags & MT_DRV_SW_RX_AIRTIME)
+			survey->filled |= SURVEY_INFO_TIME_BSS_RX;
+	}
+
 	survey->time_busy = div_u64(state->cc_busy, 1000);
+	survey->time_rx = div_u64(state->cc_rx, 1000);
+	survey->time = div_u64(state->cc_active, 1000);
+	survey->noise = state->noise;
+
+	spin_lock_bh(&dev->cc_lock);
+	survey->time_bss_rx = div_u64(state->cc_bss_rx, 1000);
+	survey->time_tx = div_u64(state->cc_tx, 1000);
 	spin_unlock_bh(&dev->cc_lock);
+
+out:
+	mutex_unlock(&dev->mutex);
 
 	return ret;
 }
@@ -464,9 +697,10 @@
 	if (!key)
 		return;
 
-	if (key->cipher == WLAN_CIPHER_SUITE_CCMP)
-		wcid->rx_check_pn = true;
+	if (key->cipher != WLAN_CIPHER_SUITE_CCMP)
+		return;
 
+	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));
@@ -474,12 +708,15 @@
 }
 EXPORT_SYMBOL(mt76_wcid_key_setup);
 
-static struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb)
+static void
+mt76_rx_convert(struct mt76_dev *dev, struct sk_buff *skb,
+		struct ieee80211_hw **hw,
+		struct ieee80211_sta **sta)
 {
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct mt76_rx_status mstat;
 
-	mstat = *((struct mt76_rx_status *) skb->cb);
+	mstat = *((struct mt76_rx_status *)skb->cb);
 	memset(status, 0, sizeof(*status));
 
 	status->flag = mstat.flag;
@@ -487,23 +724,30 @@
 	status->enc_flags = mstat.enc_flags;
 	status->encoding = mstat.encoding;
 	status->bw = mstat.bw;
+	status->he_ru = mstat.he_ru;
+	status->he_gi = mstat.he_gi;
+	status->he_dcm = mstat.he_dcm;
 	status->rate_idx = mstat.rate_idx;
 	status->nss = mstat.nss;
 	status->band = mstat.band;
 	status->signal = mstat.signal;
 	status->chains = mstat.chains;
+	status->ampdu_reference = mstat.ampdu_ref;
 
 	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));
+	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);
+	*sta = wcid_to_sta(mstat.wcid);
+	*hw = mt76_phy_hw(dev, mstat.ext_phy);
 }
 
 static int
 mt76_check_ccmp_pn(struct sk_buff *skb)
 {
-	struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb;
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
 	struct mt76_wcid *wcid = status->wcid;
 	struct ieee80211_hdr *hdr;
 	int ret;
@@ -519,7 +763,7 @@
 		 * Validate the first fragment both here and in mac80211
 		 * All further fragments will be validated by mac80211 only.
 		 */
-		hdr = (struct ieee80211_hdr *) skb->data;
+		hdr = mt76_skb_get_hdr(skb);
 		if (ieee80211_is_frag(hdr) &&
 		    !ieee80211_is_first_frag(hdr->frame_control))
 			return 0;
@@ -540,24 +784,119 @@
 }
 
 static void
-mt76_check_ps(struct mt76_dev *dev, struct sk_buff *skb)
+mt76_airtime_report(struct mt76_dev *dev, struct mt76_rx_status *status,
+		    int len)
 {
-	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;
+	struct ieee80211_rx_status info = {
+		.enc_flags = status->enc_flags,
+		.rate_idx = status->rate_idx,
+		.encoding = status->encoding,
+		.band = status->band,
+		.nss = status->nss,
+		.bw = status->bw,
+	};
+	struct ieee80211_sta *sta;
+	u32 airtime;
 
-	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;
-	}
+	airtime = ieee80211_calc_rx_airtime(dev->hw, &info, len);
+	spin_lock(&dev->cc_lock);
+	dev->cur_cc_bss_rx += airtime;
+	spin_unlock(&dev->cc_lock);
 
 	if (!wcid || !wcid->sta)
 		return;
 
-	sta = container_of((void *) wcid, struct ieee80211_sta, drv_priv);
+	sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv);
+	ieee80211_sta_register_airtime(sta, status->tid, 0, airtime);
+}
+
+static void
+mt76_airtime_flush_ampdu(struct mt76_dev *dev)
+{
+	struct mt76_wcid *wcid;
+	int wcid_idx;
+
+	if (!dev->rx_ampdu_len)
+		return;
+
+	wcid_idx = dev->rx_ampdu_status.wcid_idx;
+	if (wcid_idx < ARRAY_SIZE(dev->wcid))
+		wcid = rcu_dereference(dev->wcid[wcid_idx]);
+	else
+		wcid = NULL;
+	dev->rx_ampdu_status.wcid = wcid;
+
+	mt76_airtime_report(dev, &dev->rx_ampdu_status, dev->rx_ampdu_len);
+
+	dev->rx_ampdu_len = 0;
+	dev->rx_ampdu_ref = 0;
+}
+
+static void
+mt76_airtime_check(struct mt76_dev *dev, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+	struct mt76_wcid *wcid = status->wcid;
+
+	if (!(dev->drv->drv_flags & MT_DRV_SW_RX_AIRTIME))
+		return;
+
+	if (!wcid || !wcid->sta) {
+		if (!ether_addr_equal(hdr->addr1, dev->macaddr))
+			return;
+
+		wcid = NULL;
+	}
+
+	if (!(status->flag & RX_FLAG_AMPDU_DETAILS) ||
+	    status->ampdu_ref != dev->rx_ampdu_ref)
+		mt76_airtime_flush_ampdu(dev);
+
+	if (status->flag & RX_FLAG_AMPDU_DETAILS) {
+		if (!dev->rx_ampdu_len ||
+		    status->ampdu_ref != dev->rx_ampdu_ref) {
+			dev->rx_ampdu_status = *status;
+			dev->rx_ampdu_status.wcid_idx = wcid ? wcid->idx : 0xff;
+			dev->rx_ampdu_ref = status->ampdu_ref;
+		}
+
+		dev->rx_ampdu_len += skb->len;
+		return;
+	}
+
+	mt76_airtime_report(dev, status, skb->len);
+}
+
+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 = mt76_skb_get_hdr(skb);
+	struct ieee80211_sta *sta;
+	struct ieee80211_hw *hw;
+	struct mt76_wcid *wcid = status->wcid;
+	bool ps;
+
+	hw = mt76_phy_hw(dev, status->ext_phy);
+	if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) {
+		sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr2, NULL);
+		if (sta)
+			wcid = status->wcid = (struct mt76_wcid *)sta->drv_priv;
+	}
+
+	mt76_airtime_check(dev, skb);
+
+	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;
@@ -568,8 +907,8 @@
 	}
 
 	if (ieee80211_has_morefrags(hdr->frame_control) ||
-		!(ieee80211_is_mgmt(hdr->frame_control) ||
-		  ieee80211_is_data(hdr->frame_control)))
+	    !(ieee80211_is_mgmt(hdr->frame_control) ||
+	      ieee80211_is_data(hdr->frame_control)))
 		return;
 
 	ps = ieee80211_has_pm(hdr->frame_control);
@@ -594,6 +933,7 @@
 		      struct napi_struct *napi)
 {
 	struct ieee80211_sta *sta;
+	struct ieee80211_hw *hw;
 	struct sk_buff *skb;
 
 	spin_lock(&dev->rx_lock);
@@ -603,8 +943,8 @@
 			continue;
 		}
 
-		sta = mt76_rx_convert(skb);
-		ieee80211_rx_napi(dev->hw, sta, skb, napi);
+		mt76_rx_convert(dev, skb, &hw, &sta);
+		ieee80211_rx_napi(hw, sta, skb, napi);
 	}
 	spin_unlock(&dev->rx_lock);
 }
@@ -618,10 +958,249 @@
 	__skb_queue_head_init(&frames);
 
 	while ((skb = __skb_dequeue(&dev->rx_skb[q])) != NULL) {
-		mt76_check_ps(dev, skb);
+		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, bool ext_phy)
+{
+	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;
+	}
+
+	ewma_signal_init(&wcid->rssi);
+	if (ext_phy)
+		mt76_wcid_mask_set(dev->wcid_phy_mask, wcid->idx);
+	wcid->ext_phy = ext_phy;
+	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;
+
+	for (i = 0; i < ARRAY_SIZE(wcid->aggr); i++)
+		mt76_rx_aggr_stop(dev, wcid, i);
+
+	if (dev->drv->sta_remove)
+		dev->drv->sta_remove(dev, vif, sta);
+
+	mt76_tx_status_check(dev, wcid, true);
+	mt76_wcid_mask_clear(dev->wcid_mask, idx);
+	mt76_wcid_mask_clear(dev->wcid_phy_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_phy *phy = hw->priv;
+	struct mt76_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+
+	if (old_state == IEEE80211_STA_NOTEXIST &&
+	    new_state == IEEE80211_STA_NONE)
+		return mt76_sta_add(dev, vif, sta, ext_phy);
+
+	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);
+
+void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta)
+{
+	struct mt76_phy *phy = hw->priv;
+	struct mt76_dev *dev = phy->dev;
+	struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
+
+	mutex_lock(&dev->mutex);
+	rcu_assign_pointer(dev->wcid[wcid->idx], NULL);
+	mutex_unlock(&dev->mutex);
+}
+EXPORT_SYMBOL_GPL(mt76_sta_pre_rcu_remove);
+
+int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		     int *dbm)
+{
+	struct mt76_phy *phy = hw->priv;
+	int n_chains = hweight8(phy->antenna_mask);
+	int delta = mt76_tx_power_nss_delta(n_chains);
+
+	*dbm = DIV_ROUND_UP(phy->txpower_cur + delta, 2);
+
+	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_beacon_cntdwn_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_beacon_cntdwn_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);
+
+void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id)
+{
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+	int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
+	u8 *hdr, *pn = status->iv;
+
+	__skb_push(skb, 8);
+	memmove(skb->data, skb->data + 8, hdr_len);
+	hdr = skb->data + hdr_len;
+
+	hdr[0] = pn[5];
+	hdr[1] = pn[4];
+	hdr[2] = 0;
+	hdr[3] = 0x20 | (key_id << 6);
+	hdr[4] = pn[3];
+	hdr[5] = pn[2];
+	hdr[6] = pn[1];
+	hdr[7] = pn[0];
+
+	status->flag &= ~RX_FLAG_IV_STRIPPED;
+}
+EXPORT_SYMBOL_GPL(mt76_insert_ccmp_hdr);
+
+int mt76_get_rate(struct mt76_dev *dev,
+		  struct ieee80211_supported_band *sband,
+		  int idx, bool cck)
+{
+	int i, offset = 0, len = sband->n_bitrates;
+
+	if (cck) {
+		if (sband == &dev->phy.sband_5g.sband)
+			return 0;
+
+		idx &= ~BIT(2); /* short preamble */
+	} else if (sband == &dev->phy.sband_2g.sband) {
+		offset = 4;
+	}
+
+	for (i = offset; i < len; i++) {
+		if ((sband->bitrates[i].hw_value & GENMASK(7, 0)) == idx)
+			return i;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_get_rate);
+
+void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  const u8 *mac)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	set_bit(MT76_SCANNING, &phy->state);
+}
+EXPORT_SYMBOL_GPL(mt76_sw_scan);
+
+void mt76_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	clear_bit(MT76_SCANNING, &phy->state);
+}
+EXPORT_SYMBOL_GPL(mt76_sw_scan_complete);
+
+int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+	struct mt76_phy *phy = hw->priv;
+	struct mt76_dev *dev = phy->dev;
+
+	mutex_lock(&dev->mutex);
+	*tx_ant = phy->antenna_mask;
+	*rx_ant = phy->antenna_mask;
+	mutex_unlock(&dev->mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_get_antenna);

--
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