introduce mt7921e support

new file mode 100644
index 000000000000..691d14a1a7bf
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7921.h"
+#include "eeprom.h"
+
+static u32 mt7921_eeprom_read(struct mt7921_dev *dev, u32 offset)
+{
+	u8 *data = dev->mt76.eeprom.data;
+
+	if (data[offset] == 0xff)
+		mt7921_mcu_get_eeprom(dev, offset);
+
+	return data[offset];
+}
+
+static int mt7921_eeprom_load(struct mt7921_dev *dev)
+{
+	int ret;
+
+	ret = mt76_eeprom_init(&dev->mt76, MT7921_EEPROM_SIZE);
+	if (ret < 0)
+		return ret;
+
+	memset(dev->mt76.eeprom.data, -1, MT7921_EEPROM_SIZE);
+
+	return 0;
+}
+
+static int mt7921_check_eeprom(struct mt7921_dev *dev)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	u16 val;
+
+	mt7921_eeprom_read(dev, MT_EE_CHIP_ID);
+	val = get_unaligned_le16(eeprom);
+
+	switch (val) {
+	case 0x7961:
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy)
+{
+	struct mt7921_dev *dev = phy->dev;
+	u32 val;
+
+	val = mt7921_eeprom_read(dev, MT_EE_WIFI_CONF);
+	val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val);
+
+	switch (val) {
+	case MT_EE_5GHZ:
+		phy->mt76->cap.has_5ghz = true;
+		break;
+	case MT_EE_2GHZ:
+		phy->mt76->cap.has_2ghz = true;
+		break;
+	default:
+		phy->mt76->cap.has_2ghz = true;
+		phy->mt76->cap.has_5ghz = true;
+		break;
+	}
+}
+
+static void mt7921_eeprom_parse_hw_cap(struct mt7921_dev *dev)
+{
+	u8 tx_mask;
+
+	mt7921_eeprom_parse_band_config(&dev->phy);
+
+	/* TODO: read NSS with MCU_CMD_NIC_CAPV2 */
+	tx_mask = 2;
+	dev->chainmask = BIT(tx_mask) - 1;
+	dev->mphy.antenna_mask = dev->chainmask;
+	dev->mphy.chainmask = dev->mphy.antenna_mask;
+}
+
+int mt7921_eeprom_init(struct mt7921_dev *dev)
+{
+	int ret;
+
+	ret = mt7921_eeprom_load(dev);
+	if (ret < 0)
+		return ret;
+
+	ret = mt7921_check_eeprom(dev);
+	if (ret)
+		return ret;
+
+	mt7921_eeprom_parse_hw_cap(dev);
+	memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+	       ETH_ALEN);
+
+	mt76_eeprom_override(&dev->mphy);
+
+	return 0;
+}

new file mode 100644
index 000000000000..54f30401343c
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7921_EEPROM_H
+#define __MT7921_EEPROM_H
+
+#include "mt7921.h"
+
+enum mt7921_eeprom_field {
+	MT_EE_CHIP_ID =		0x000,
+	MT_EE_VERSION =		0x002,
+	MT_EE_MAC_ADDR =	0x004,
+	MT_EE_WIFI_CONF =	0x07c,
+	__MT_EE_MAX =		0x3bf
+};
+
+#define MT_EE_WIFI_CONF_TX_MASK			BIT(0)
+#define MT_EE_WIFI_CONF_BAND_SEL		GENMASK(3, 2)
+
+enum mt7921_eeprom_band {
+	MT_EE_NA,
+	MT_EE_5GHZ,
+	MT_EE_2GHZ,
+	MT_EE_DUAL_BAND,
+};
+
+#endif

new file mode 100644
index 000000000000..cd9665610284
@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7921.h"
+#include "../dma.h"
+#include "mac.h"
+
+int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc)
+{
+	int i, err;
+
+	err = mt76_init_tx_queue(phy->mt76, 0, idx, n_desc, MT_TX_RING_BASE);
+	if (err < 0)
+		return err;
+
+	for (i = 0; i <= MT_TXQ_PSD; i++)
+		phy->mt76->q_tx[i] = phy->mt76->q_tx[0];
+
+	return 0;
+}
+
+void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+			 struct sk_buff *skb)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	__le32 *rxd = (__le32 *)skb->data;
+	enum rx_pkt_type type;
+	u16 flag;
+
+	type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
+	flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0]));
+
+	if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
+		type = PKT_TYPE_NORMAL_MCU;
+
+	switch (type) {
+	case PKT_TYPE_TXRX_NOTIFY:
+		mt7921_mac_tx_free(dev, skb);
+		break;
+	case PKT_TYPE_RX_EVENT:
+		mt7921_mcu_rx_event(dev, skb);
+		break;
+	case PKT_TYPE_NORMAL_MCU:
+	case PKT_TYPE_NORMAL:
+		if (!mt7921_mac_fill_rx(dev, skb)) {
+			mt76_rx(&dev->mt76, q, skb);
+			return;
+		}
+		fallthrough;
+	default:
+		dev_kfree_skb(skb);
+		break;
+	}
+}
+
+static void
+mt7921_tx_cleanup(struct mt7921_dev *dev)
+{
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false);
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
+}
+
+static int mt7921_poll_tx(struct napi_struct *napi, int budget)
+{
+	struct mt7921_dev *dev;
+
+	dev = container_of(napi, struct mt7921_dev, mt76.tx_napi);
+
+	mt7921_tx_cleanup(dev);
+
+	if (napi_complete_done(napi, 0))
+		mt7921_irq_enable(dev, MT_INT_TX_DONE_ALL);
+
+	return 0;
+}
+
+void mt7921_dma_prefetch(struct mt7921_dev *dev)
+{
+#define PREFETCH(base, depth)	((base) << 16 | (depth))
+
+	mt76_wr(dev, MT_WFDMA0_RX_RING0_EXT_CTRL, PREFETCH(0x0, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING2_EXT_CTRL, PREFETCH(0x40, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING3_EXT_CTRL, PREFETCH(0x80, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING4_EXT_CTRL, PREFETCH(0xc0, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING5_EXT_CTRL, PREFETCH(0x100, 0x4));
+
+	mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, PREFETCH(0x140, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING1_EXT_CTRL, PREFETCH(0x180, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING2_EXT_CTRL, PREFETCH(0x1c0, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING3_EXT_CTRL, PREFETCH(0x200, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING4_EXT_CTRL, PREFETCH(0x240, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING5_EXT_CTRL, PREFETCH(0x280, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING6_EXT_CTRL, PREFETCH(0x2c0, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING16_EXT_CTRL, PREFETCH(0x340, 0x4));
+	mt76_wr(dev, MT_WFDMA0_TX_RING17_EXT_CTRL, PREFETCH(0x380, 0x4));
+}
+
+static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr)
+{
+	static const struct {
+		u32 phys;
+		u32 mapped;
+		u32 size;
+	} fixed_map[] = {
+		{ 0x00400000, 0x80000, 0x10000}, /* WF_MCU_SYSRAM */
+		{ 0x00410000, 0x90000, 0x10000}, /* WF_MCU_SYSRAM (configure register) */
+		{ 0x40000000, 0x70000, 0x10000}, /* WF_UMAC_SYSRAM */
+		{ 0x54000000, 0x02000, 0x1000 }, /* WFDMA PCIE0 MCU DMA0 */
+		{ 0x55000000, 0x03000, 0x1000 }, /* WFDMA PCIE0 MCU DMA1 */
+		{ 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */
+		{ 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */
+		{ 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */
+		{ 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */
+		{ 0x7c060000, 0xe0000, 0x10000}, /* CONN_INFRA, conn_host_csr_top */
+		{ 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */
+		{ 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */
+		{ 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */
+		{ 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */
+		{ 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */
+		{ 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */
+		{ 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */
+		{ 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */
+		{ 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
+		{ 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
+		{ 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
+		{ 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
+		{ 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
+		{ 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
+		{ 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
+		{ 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
+		{ 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
+		{ 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
+		{ 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
+		{ 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
+		{ 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
+		{ 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
+		{ 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
+		{ 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
+		{ 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
+		{ 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
+		{ 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
+		{ 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
+		{ 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
+		{ 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
+		{ 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
+		{ 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
+	};
+	int i;
+
+	if (addr < 0x100000)
+		return addr;
+
+	for (i = 0; i < ARRAY_SIZE(fixed_map); i++) {
+		u32 ofs;
+
+		if (addr < fixed_map[i].phys)
+			continue;
+
+		ofs = addr - fixed_map[i].phys;
+		if (ofs > fixed_map[i].size)
+			continue;
+
+		return fixed_map[i].mapped + ofs;
+	}
+
+	if ((addr >= 0x18000000 && addr < 0x18c00000) ||
+	    (addr >= 0x70000000 && addr < 0x78000000) ||
+	    (addr >= 0x7c000000 && addr < 0x7c400000))
+		return mt7921_reg_map_l1(dev, addr);
+
+	dev_err(dev->mt76.dev, "Access currently unsupported address %08x\n",
+		addr);
+
+	return 0;
+}
+
+static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	u32 addr = __mt7921_reg_addr(dev, offset);
+
+	return dev->bus_ops->rr(mdev, addr);
+}
+
+static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	u32 addr = __mt7921_reg_addr(dev, offset);
+
+	dev->bus_ops->wr(mdev, addr, val);
+}
+
+static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	u32 addr = __mt7921_reg_addr(dev, offset);
+
+	return dev->bus_ops->rmw(mdev, addr, mask, val);
+}
+
+static int mt7921_dmashdl_disabled(struct mt7921_dev *dev)
+{
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG_EXT0, MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
+	mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
+
+	return 0;
+}
+
+int mt7921_dma_init(struct mt7921_dev *dev)
+{
+	/* Increase buffer size to receive large VHT/HE MPDUs */
+	struct mt76_bus_ops *bus_ops;
+	int rx_buf_size = MT_RX_BUF_SIZE * 2;
+	int ret;
+
+	dev->bus_ops = dev->mt76.bus;
+	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
+			       GFP_KERNEL);
+	if (!bus_ops)
+		return -ENOMEM;
+
+	bus_ops->rr = mt7921_rr;
+	bus_ops->wr = mt7921_wr;
+	bus_ops->rmw = mt7921_rmw;
+	dev->mt76.bus = bus_ops;
+
+	mt76_dma_attach(&dev->mt76);
+
+	/* reset */
+	mt76_clear(dev, MT_WFDMA0_RST,
+		   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		   MT_WFDMA0_RST_LOGIC_RST);
+
+	mt76_set(dev, MT_WFDMA0_RST,
+		 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		 MT_WFDMA0_RST_LOGIC_RST);
+
+	ret = mt7921_dmashdl_disabled(dev);
+	if (ret)
+		return ret;
+
+	/* disable WFDMA0 */
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN |
+		   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	mt76_poll(dev, MT_WFDMA0_GLO_CFG,
+		  MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
+		  MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000);
+
+	/* init tx queue */
+	ret = mt7921_init_tx_queues(&dev->phy, MT7921_TXQ_BAND0,
+				    MT7921_TX_RING_SIZE);
+	if (ret)
+		return ret;
+
+	mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4);
+
+	/* command to WM */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM,
+				  MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* firmware download */
+	ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL,
+				  MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* event from WM before firmware download */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
+			       MT7921_RXQ_MCU_WM,
+			       MT7921_RX_MCU_RING_SIZE,
+			       rx_buf_size, MT_RX_EVENT_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* Change mcu queue after firmware download */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
+			       MT7921_RXQ_MCU_WM,
+			       MT7921_RX_MCU_RING_SIZE,
+			       rx_buf_size, MT_WFDMA0(0x540));
+	if (ret)
+		return ret;
+
+	/* rx data */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
+			       MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE,
+			       rx_buf_size, MT_RX_DATA_RING_BASE);
+	if (ret)
+		return ret;
+
+	ret = mt76_init_queues(dev);
+	if (ret < 0)
+		return ret;
+
+	netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi,
+			  mt7921_poll_tx, NAPI_POLL_WEIGHT);
+	napi_enable(&dev->mt76.tx_napi);
+
+	/* configure perfetch settings */
+	mt7921_dma_prefetch(dev);
+
+	/* reset dma idx */
+	mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0);
+
+	/* configure delay interrupt */
+	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
+
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_WB_DDONE |
+		 MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN |
+		 MT_WFDMA0_GLO_CFG_CLK_GAT_DIS |
+		 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		 MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN |
+		 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+	mt76_set(dev, 0x54000120, BIT(1));
+
+	/* enable interrupts for TX/RX rings */
+	mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+			  MT_INT_MCU_CMD);
+
+	return 0;
+}
+
+void mt7921_dma_cleanup(struct mt7921_dev *dev)
+{
+	/* disable */
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN |
+		   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	/* reset */
+	mt76_clear(dev, MT_WFDMA0_RST,
+		   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		   MT_WFDMA0_RST_LOGIC_RST);
+
+	mt76_set(dev, MT_WFDMA0_RST,
+		 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		 MT_WFDMA0_RST_LOGIC_RST);
+
+	mt76_dma_cleanup(&dev->mt76);
+}

index 1cc820def6b0..a24fba857b39 100644
@@ -1204,6 +1204,9 @@ mt7921_dma_reset(struct mt7921_phy *phy)
 		mt76_queue_rx_reset(dev, i);
 	}
 
+	/* re-init prefetch settings after reset */
+	mt7921_dma_prefetch(dev);
+
 	mt76_set(dev, MT_WFDMA0_GLO_CFG,
 		 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
 }

index 14d78370d525..ca293fbc682e 100644
@@ -83,6 +83,8 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 	ieee80211_hw_set(hw, HAS_RATE_CONTROL);
 	ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
 	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
+	ieee80211_hw_set(hw, SUPPORTS_PS);
+	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
 
 	hw->max_tx_fragments = 4;
 }

index a24fba857b39..968894cfc98b 100644
@@ -690,8 +690,7 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
 	txwi[1] = cpu_to_le32(val);
 	txwi[2] = 0;
 
-	val = MT_TXD3_SW_POWER_MGMT |
-	      FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
+	val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
 	if (key)
 		val |= MT_TXD3_PROTECT_FRAME;
 	if (info->flags & IEEE80211_TX_CTL_NO_ACK)

index 80329f163a3e..c25b380a8f21 100644
@@ -561,6 +561,9 @@ static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
 		mt7921_mcu_set_tx(dev, vif);
 
+	if (changed & BSS_CHANGED_PS)
+		mt7921_mcu_uni_bss_ps(dev, vif);
+
 	mutex_unlock(&dev->mt76.mutex);
 }
 

index 6f2b4086ca81..913b56065de6 100644
@@ -2463,3 +2463,40 @@ u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx)
 
 	return 0;
 }
+
+int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif)
+{
+	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
+	struct {
+		struct {
+			u8 bss_idx;
+			u8 pad[3];
+		} __packed hdr;
+		struct ps_tlv {
+			__le16 tag;
+			__le16 len;
+			u8 ps_state; /* 0: device awake
+				      * 1: static power save
+				      * 2: dynamic power saving
+				      * 3: enter TWT power saving
+				      * 4: leave TWT power saving
+				      */
+			u8 pad[3];
+		} __packed ps;
+	} __packed ps_req = {
+		.hdr = {
+			.bss_idx = mvif->mt76.idx,
+		},
+		.ps = {
+			.tag = cpu_to_le16(UNI_BSS_INFO_PS),
+			.len = cpu_to_le16(sizeof(struct ps_tlv)),
+			.ps_state = vif->bss_conf.ps ? 2 : 0,
+		},
+	};
+
+	if (vif->type != NL80211_IFTYPE_STATION)
+		return -EOPNOTSUPP;
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
+				 &ps_req, sizeof(ps_req), true);
+}

index 6894b44ff62d..2103e1d3ac94 100644
@@ -185,7 +185,6 @@ struct mt7921_mcu_uni_event {
 /* offload mcu commands */
 enum {
 	MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,
-	MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05,
 	MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f,
 	MCU_CMD_SET_BSS_CONNECTED = MCU_CE_PREFIX | 0x16,
 	MCU_CMD_SET_BSS_ABORT = MCU_CE_PREFIX | 0x17,

@@ -211,6 +210,7 @@ enum {
 	UNI_BSS_INFO_BCN_CONTENT = 7,
 	UNI_BSS_INFO_QBSS = 15,
 	UNI_BSS_INFO_UAPSD = 19,
+	UNI_BSS_INFO_PS = 21,
 };
 
 enum {

index 8cd9d3e214ed..f4435cc1712f 100644
@@ -355,4 +355,5 @@ int mt7921_mcu_sched_scan_enable(struct mt7921_phy *phy,
 int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy,
 			      struct ieee80211_vif *vif);
 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx);
+int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
 #endif

index 4ee7453800c1..04fc69de7369 100644
@@ -69,12 +69,13 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 
 	wiphy->iface_combinations = if_comb;
 	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
-	wiphy->max_scan_ie_len = MT7921_SCAN_IE_LEN;
+	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
 	wiphy->max_scan_ssids = 4;
-	wiphy->max_sched_scan_plan_interval = MT7921_MAX_SCHED_SCAN_INTERVAL;
+	wiphy->max_sched_scan_plan_interval =
+		MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL;
 	wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
-	wiphy->max_sched_scan_ssids = MT7921_MAX_SCHED_SCAN_SSID;
-	wiphy->max_match_sets = MT7921_MAX_SCAN_MATCH;
+	wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
+	wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
 	wiphy->max_sched_scan_reqs = 1;
 	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 

index d1927ddf5e58..800fc320dfb2 100644
@@ -864,7 +864,7 @@ mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	int err;
 
 	mutex_lock(&dev->mt76.mutex);
-	err = mt7921_mcu_hw_scan(mphy->priv, vif, req);
+	err = mt76_connac_mcu_hw_scan(mphy, vif, req);
 	mutex_unlock(&dev->mt76.mutex);
 
 	return err;

@@ -877,7 +877,7 @@ mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	struct mt76_phy *mphy = hw->priv;
 
 	mutex_lock(&dev->mt76.mutex);
-	mt7921_mcu_cancel_hw_scan(mphy->priv, vif);
+	mt76_connac_mcu_cancel_hw_scan(mphy, vif);
 	mutex_unlock(&dev->mt76.mutex);
 }
 

@@ -892,11 +892,11 @@ mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 
 	mutex_lock(&dev->mt76.mutex);
 
-	err = mt7921_mcu_sched_scan_req(mphy->priv, vif, req);
+	err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
 	if (err < 0)
 		goto out;
 
-	err = mt7921_mcu_sched_scan_enable(mphy->priv, vif, true);
+	err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
 out:
 	mutex_unlock(&dev->mt76.mutex);
 

@@ -911,7 +911,7 @@ mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	int err;
 
 	mutex_lock(&dev->mt76.mutex);
-	err = mt7921_mcu_sched_scan_enable(mphy->priv, vif, false);
+	err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
 	mutex_unlock(&dev->mt76.mutex);
 
 	return err;

210 lines not on this page · raw message

122 lines not on this page · raw message

index 96f205ffbbd1..6085531cfd06 100644
@@ -43,11 +43,6 @@
 #define MT7921_SKU_MAX_DELTA_IDX	MT7921_SKU_RATE_NUM
 #define MT7921_SKU_TABLE_SIZE		(MT7921_SKU_RATE_NUM + 1)
 
-#define MT7921_SCAN_IE_LEN		600
-#define MT7921_MAX_SCHED_SCAN_INTERVAL	10
-#define MT7921_MAX_SCHED_SCAN_SSID	10
-#define MT7921_MAX_SCAN_MATCH		16
-
 struct mt7921_vif;
 struct mt7921_sta;
 

@@ -314,17 +309,7 @@ int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
 			 struct ieee80211_ampdu_params *params,
 			 bool enable);
 void mt7921_scan_work(struct work_struct *work);
-int mt7921_mcu_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif,
-		       struct ieee80211_scan_request *scan_req);
-int mt7921_mcu_sched_scan_req(struct mt7921_phy *phy,
-			      struct ieee80211_vif *vif,
-			      struct cfg80211_sched_scan_request *sreq);
-int mt7921_mcu_sched_scan_enable(struct mt7921_phy *phy,
-				 struct ieee80211_vif *vif,
-				 bool enable);
-int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy,
-			      struct ieee80211_vif *vif);
-u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx);
+u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u32 wlan_idx);
 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 			     bool enable);

index ff244d4758ab..0d58606391b0 100644
@@ -11,6 +11,9 @@
 #define MT76_CONNAC_MAX_SCHED_SCAN_SSID		10
 #define MT76_CONNAC_MAX_SCAN_MATCH		16
 
+#define MT76_CONNAC_COREDUMP_TIMEOUT		(HZ / 20)
+#define MT76_CONNAC_COREDUMP_SZ			(128 * 1024)
+
 enum {
 	CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
 	CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,

@@ -57,6 +60,12 @@ struct mt76_connac_pm {
 	unsigned long idle_timeout;
 };
 
+struct mt76_connac_coredump {
+	struct sk_buff_head msg_list;
+	struct delayed_work work;
+	unsigned long last_activity;
+};
+
 extern const struct wiphy_wowlan_support mt76_connac_wowlan_support;
 
 static inline bool is_mt7921(struct mt76_dev *dev)

index 40c10510b32a..6cbccfb05f8b 100644
@@ -1497,6 +1497,40 @@ int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
 }
 EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
 
+int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
+{
+	struct {
+		__le16 id;
+		u8 type;
+		u8 resp_type;
+		__le16 data_size;
+		__le16 resv;
+		u8 data[320];
+	} req = {
+		.resp_type = 0,
+	};
+
+	memcpy(req.data, "assert", 7);
+
+	return mt76_mcu_send_msg(dev, MCU_CMD_CHIP_CONFIG, &req, sizeof(req),
+				 false);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_chip_config);
+
+void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
+				    struct mt76_connac_coredump *coredump)
+{
+	spin_lock_bh(&dev->lock);
+	__skb_queue_tail(&coredump->msg_list, skb);
+	spin_unlock_bh(&dev->lock);
+
+	coredump->last_activity = jiffies;
+
+	queue_delayed_work(dev->wq, &coredump->work,
+			   MT76_CONNAC_COREDUMP_TIMEOUT);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_coredump_event);
+
 #ifdef CONFIG_PM
 
 const struct wiphy_wowlan_support mt76_connac_wowlan_support = {

index 60aac6f2d16c..c1e1df5f7cd7 100644
@@ -561,6 +561,7 @@ enum {
 	MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62,
 	MCU_CMD_REG_WRITE = MCU_CE_PREFIX | 0xc0,
 	MCU_CMD_REG_READ = MCU_CE_PREFIX | MCU_QUERY_MASK | 0xc0,
+	MCU_CMD_CHIP_CONFIG = MCU_CE_PREFIX | 0xca,
 	MCU_CMD_FWLOG_2_HOST = MCU_CE_PREFIX | 0xc5,
 	MCU_CMD_GET_WTBL = MCU_CE_PREFIX | 0xcd,
 };

@@ -972,4 +973,7 @@ int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
 int mt76_connac_mcu_set_hif_suspend(struct mt76_dev *dev, bool suspend);
 void mt76_connac_mcu_set_suspend_iter(void *priv, u8 *mac,
 				      struct ieee80211_vif *vif);
+int mt76_connac_mcu_chip_config(struct mt76_dev *dev);
+void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
+				    struct mt76_connac_coredump *coredump);
 #endif /* __MT76_CONNAC_MCU_H */

index 390e0e49724d..0dc8e25e18e4 100644
@@ -213,6 +213,20 @@ mt7921_pm_idle_timeout_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7921_pm_idle_timeout_get,
 			 mt7921_pm_idle_timeout_set, "%lld\n");
 
+static int mt7921_config(void *data, u64 val)
+{
+	struct mt7921_dev *dev = data;
+	int ret;
+
+	mt7921_mutex_acquire(dev);
+	ret = mt76_connac_mcu_chip_config(&dev->mt76);
+	mt7921_mutex_release(dev);
+
+	return ret;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_config, NULL, mt7921_config, "%lld\n");
+
 int mt7921_init_debugfs(struct mt7921_dev *dev)
 {
 	struct dentry *dir;

@@ -230,6 +244,7 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
 	debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm);
 	debugfs_create_file("idle-timeout", 0600, dir, dev,
 			    &fops_pm_idle_timeout);
+	debugfs_create_file("chip_config", 0600, dir, dev, &fops_config);
 
 	return 0;
 }

index 2a80b68a588a..89a13b4a74a4 100644
@@ -226,7 +226,9 @@ int mt7921_register_device(struct mt7921_dev *dev)
 	INIT_LIST_HEAD(&dev->phy.stats_list);
 	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
 	INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
+	INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
 	skb_queue_head_init(&dev->phy.scan_event_list);
+	skb_queue_head_init(&dev->coredump.msg_list);
 	INIT_LIST_HEAD(&dev->sta_poll_list);
 	spin_lock_init(&dev->sta_poll_lock);
 

57 lines not on this page · raw message

index 6ad313fd398e..db125cd22b91 100644
@@ -513,6 +513,10 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
 	case MCU_EVENT_DBG_MSG:
 		mt7921_mcu_debug_msg_event(dev, skb);
 		break;
+	case MCU_EVENT_COREDUMP:
+		mt76_connac_mcu_coredump_event(&dev->mt76, skb,
+					       &dev->coredump);
+		return;
 	default:
 		break;
 	}

@@ -534,6 +538,7 @@ void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
 	    rxd->eid == MCU_EVENT_BSS_ABSENCE ||
 	    rxd->eid == MCU_EVENT_SCAN_DONE ||
 	    rxd->eid == MCU_EVENT_DBG_MSG ||
+	    rxd->eid == MCU_EVENT_COREDUMP ||
 	    !rxd->seq)
 		mt7921_mcu_rx_unsolicited_event(dev, skb);
 	else

index 52f9e5102727..2fdc62367b3f 100644
@@ -85,6 +85,7 @@ enum {
 	MCU_EVENT_CH_PRIVILEGE = 0x18,
 	MCU_EVENT_SCHED_SCAN_DONE = 0x23,
 	MCU_EVENT_DBG_MSG = 0x27,
+	MCU_EVENT_COREDUMP = 0xf0,
 };
 
 /* ext event table */

index c0f26eaa269e..46e6aeec35ae 100644
@@ -6,7 +6,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/ktime.h>
-#include "../mt76_connac.h"
+#include "../mt76_connac_mcu.h"
 #include "regs.h"
 
 #define MT7921_MAX_INTERFACES		4

@@ -164,6 +164,7 @@ struct mt7921_dev {
 	u8 fw_debug;
 
 	struct mt76_connac_pm pm;
+	struct mt76_connac_coredump coredump;
 };
 
 enum {

@@ -337,4 +338,5 @@ int mt7921_mac_set_beacon_filter(struct mt7921_phy *phy,
 				 struct ieee80211_vif *vif,
 				 bool enable);
 void mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);
+void mt7921_coredump_work(struct work_struct *work);
 #endif

new file mode 100644
index 000000000000..9cdeb14cc933
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7921.h"
+#include "eeprom.h"
+
+static int
+mt7921_fw_debug_set(void *data, u64 val)
+{
+	struct mt7921_dev *dev = data;
+
+	dev->fw_debug = (u8)val;
+
+	mt7921_mcu_fw_log_2_host(dev, dev->fw_debug);
+
+	return 0;
+}
+
+static int
+mt7921_fw_debug_get(void *data, u64 *val)
+{
+	struct mt7921_dev *dev = data;
+
+	*val = dev->fw_debug;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get,
+			 mt7921_fw_debug_set, "%lld\n");
+
+static void
+mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy,
+			   struct seq_file *file)
+{
+	struct mt7921_dev *dev = file->private;
+	int bound[15], range[4], i;
+
+	if (!phy)
+		return;
+
+	/* Tx ampdu stat */
+	for (i = 0; i < ARRAY_SIZE(range); i++)
+		range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i));
+
+	for (i = 0; i < ARRAY_SIZE(bound); i++)
+		bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1;
+
+	seq_printf(file, "\nPhy0\n");
+
+	seq_printf(file, "Length: %8d | ", bound[0]);
+	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
+		seq_printf(file, "%3d -%3d | ",
+			   bound[i] + 1, bound[i + 1]);
+
+	seq_puts(file, "\nCount:  ");
+	for (i = 0; i < ARRAY_SIZE(bound); i++)
+		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]);
+	seq_puts(file, "\n");
+
+	seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
+}
+
+static int
+mt7921_tx_stats_read(struct seq_file *file, void *data)
+{
+	struct mt7921_dev *dev = file->private;
+	int stat[8], i, n;
+
+	mt7921_ampdu_stat_read_phy(&dev->phy, file);
+
+	/* Tx amsdu info */
+	seq_puts(file, "Tx MSDU stat:\n");
+	for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) {
+		stat[i] = mt76_rr(dev,  MT_PLE_AMSDU_PACK_MSDU_CNT(i));
+		n += stat[i];
+	}
+
+	for (i = 0; i < ARRAY_SIZE(stat); i++) {
+		seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ",
+			   i + 1, stat[i]);
+		if (n != 0)
+			seq_printf(file, "(%d%%)\n", stat[i] * 100 / n);
+		else
+			seq_puts(file, "\n");
+	}
+
+	return 0;
+}
+
+static int
+mt7921_tx_stats_open(struct inode *inode, struct file *f)
+{
+	return single_open(f, mt7921_tx_stats_read, inode->i_private);
+}
+
+static const struct file_operations fops_tx_stats = {
+	.open = mt7921_tx_stats_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static int
+mt7921_queues_acq(struct seq_file *s, void *data)
+{
+	struct mt7921_dev *dev = dev_get_drvdata(s->private);
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		int j, acs = i / 4, index = i % 4;
+		u32 ctrl, val, qlen = 0;
+
+		val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
+		ctrl = BIT(31) | BIT(15) | (acs << 8);
+
+		for (j = 0; j < 32; j++) {
+			if (val & BIT(j))
+				continue;
+
+			mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
+				ctrl | (j + (index << 5)));
+			qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
+					       GENMASK(11, 0));
+		}
+		seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
+	}
+
+	return 0;
+}
+
+static int
+mt7921_queues_read(struct seq_file *s, void *data)
+{
+	struct mt7921_dev *dev = dev_get_drvdata(s->private);
+	struct {
+		struct mt76_queue *q;
+		char *queue;
+	} queue_map[] = {
+		{ dev->mphy.q_tx[MT_TXQ_BE],	 "WFDMA0" },
+		{ dev->mt76.q_mcu[MT_MCUQ_WM],	 "MCUWM"  },
+		{ dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" },
+	};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
+		struct mt76_queue *q = queue_map[i].q;
+
+		if (!q)
+			continue;
+
+		seq_printf(s,
+			   "%s:	queued=%d head=%d tail=%d\n",
+			   queue_map[i].queue, q->queued, q->head,
+			   q->tail);
+	}
+
+	return 0;
+}
+
+int mt7921_init_debugfs(struct mt7921_dev *dev)
+{
+	struct dentry *dir;
+
+	dir = mt76_register_debugfs(&dev->mt76);
+	if (!dir)
+		return -ENOMEM;
+
+	debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+				    mt7921_queues_read);
+	debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
+				    mt7921_queues_acq);
+	debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);
+	debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
+
+	return 0;
+}

index 33acc089eb6a..1ce87a4bfdd9 100644
@@ -232,7 +232,7 @@ int mt7921_register_device(struct mt7921_dev *dev)
 
 	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
 
-	return 0;
+	return mt7921_init_debugfs(dev);
 }
 
 void mt7921_unregister_device(struct mt7921_dev *dev)

index 913b56065de6..768456c7aa7f 100644
@@ -2500,3 +2500,78 @@ int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif)
 	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
 				 &ps_req, sizeof(ps_req), true);
 }
+
+int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+			     bool enable)
+{
+	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
+	struct {
+		struct {
+			u8 bss_idx;
+			u8 pad[3];
+		} __packed hdr;
+		struct bcnft_tlv {
+			__le16 tag;
+			__le16 len;
+			__le16 bcn_interval;
+			u8 dtim_period;
+			u8 pad;
+		} __packed bcnft;
+	} __packed bcnft_req = {
+		.hdr = {
+			.bss_idx = mvif->mt76.idx,
+		},
+		.bcnft = {
+			.tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
+			.len = cpu_to_le16(sizeof(struct bcnft_tlv)),
+			.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
+			.dtim_period = vif->bss_conf.dtim_period,
+		},
+	};
+
+	if (vif->type != NL80211_IFTYPE_STATION)
+		return 0;
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
+				 &bcnft_req, sizeof(bcnft_req), true);
+}
+
+int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+			  bool enable)
+{
+	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
+	struct {
+		u8 bss_idx;
+		u8 dtim_period;
+		__le16 aid;
+		__le16 bcn_interval;
+		__le16 atim_window;
+		u8 uapsd;
+		u8 bmc_delivered_ac;
+		u8 bmc_triggered_ac;
+		u8 pad;
+	} req = {
+		.bss_idx = mvif->mt76.idx,
+		.aid = cpu_to_le16(vif->bss_conf.aid),
+		.dtim_period = vif->bss_conf.dtim_period,
+		.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
+	};
+	struct {
+		u8 bss_idx;
+		u8 pad[3];
+	} req_hdr = {
+		.bss_idx = mvif->mt76.idx,
+	};
+	int err;
+
+	if (vif->type != NL80211_IFTYPE_STATION)
+		return 0;
+
+	err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr,
+				sizeof(req_hdr), false);
+	if (err < 0 || !enable)
+		return err;
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req,
+				 sizeof(req), false);
+}

index 2103e1d3ac94..de3a9aabec04 100644
@@ -211,6 +211,7 @@ enum {
 	UNI_BSS_INFO_QBSS = 15,
 	UNI_BSS_INFO_UAPSD = 19,
 	UNI_BSS_INFO_PS = 21,
+	UNI_BSS_INFO_BCNFT = 22,
 };
 
 enum {

index f4435cc1712f..161e328fc4ee 100644
@@ -356,4 +356,8 @@ int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy,
 			      struct ieee80211_vif *vif);
 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx);
 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
+int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+			     bool enable);
+int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+			  bool enable);
 #endif

new file mode 100644
index 000000000000..33acc089eb6a
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include "mt7921.h"
+#include "mac.h"
+#include "eeprom.h"
+
+#define 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) | (4 + (_idx)),	\
+}
+
+#define OFDM_RATE(_idx, _rate) {					\
+	.bitrate = _rate,						\
+	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),			\
+	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\
+}
+
+static struct ieee80211_rate mt7921_rates[] = {
+	CCK_RATE(0, 10),
+	CCK_RATE(1, 20),
+	CCK_RATE(2, 55),
+	CCK_RATE(3, 110),
+	OFDM_RATE(11, 60),
+	OFDM_RATE(15, 90),
+	OFDM_RATE(10, 120),
+	OFDM_RATE(14, 180),
+	OFDM_RATE(9,  240),
+	OFDM_RATE(13, 360),
+	OFDM_RATE(8,  480),
+	OFDM_RATE(12, 540),
+};
+
+static const struct ieee80211_iface_limit if_limits[] = {
+	{
+		.max = MT7921_MAX_INTERFACES,
+		.types = BIT(NL80211_IFTYPE_STATION)
+	}
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+	{
+		.limits = if_limits,
+		.n_limits = ARRAY_SIZE(if_limits),
+		.max_interfaces = MT7921_MAX_INTERFACES,
+		.num_different_channels = 1,
+		.beacon_int_infra_match = true,
+	}
+};
+
+static void
+mt7921_init_wiphy(struct ieee80211_hw *hw)
+{
+	struct mt7921_phy *phy = mt7921_hw_phy(hw);
+	struct wiphy *wiphy = hw->wiphy;
+
+	hw->queues = 4;
+	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+	hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+
+	phy->slottime = 9;
+
+	hw->sta_data_size = sizeof(struct mt7921_sta);
+	hw->vif_data_size = sizeof(struct mt7921_vif);
+
+	wiphy->iface_combinations = if_comb;
+	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+	wiphy->max_scan_ie_len = MT7921_SCAN_IE_LEN;
+	wiphy->max_scan_ssids = 4;
+	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
+
+	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
+	ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+	ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
+	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
+
+	hw->max_tx_fragments = 4;
+}
+
+static void
+mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
+{
+	u32 mask, set;
+
+	mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
+		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
+	mt76_set(dev, MT_TMAC_CTCR0(band),
+		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
+		 MT_TMAC_CTCR0_INS_DDLMT_EN);
+
+	mask = MT_MDP_RCFR0_MCU_RX_MGMT |
+	       MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
+	       MT_MDP_RCFR0_MCU_RX_CTL_BAR;
+	set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
+
+	mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
+	       MT_MDP_RCFR1_RX_DROPPED_UCAST |
+	       MT_MDP_RCFR1_RX_DROPPED_MCAST;
+	set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
+
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+
+	mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
+	/* disable rx rate report by default due to hw issues */
+	mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
+}
+
+static void mt7921_mac_init(struct mt7921_dev *dev)
+{
+	int i;
+
+	mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
+	/* disable hardware de-agg */
+	mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
+	mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
+
+	for (i = 0; i < MT7921_WTBL_SIZE; i++)
+		mt7921_mac_wtbl_update(dev, i,
+				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+	for (i = 0; i < 2; i++)
+		mt7921_mac_init_band(dev, i);
+
+	mt7921_mcu_set_rts_thresh(&dev->phy, 0x92b);
+}
+
+static void mt7921_init_work(struct work_struct *work)
+{
+	struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
+				 init_work);
+
+	mt7921_mcu_set_eeprom(dev);
+	mt7921_mac_init(dev);
+}
+
+static int mt7921_init_hardware(struct mt7921_dev *dev)
+{
+	int ret, idx;
+
+	INIT_WORK(&dev->init_work, mt7921_init_work);
+	spin_lock_init(&dev->token_lock);
+	idr_init(&dev->token);
+
+	ret = mt7921_dma_init(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+	/* force firmware operation mode into normal state,
+	 * which should be set before firmware download stage.
+	 */
+	mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+
+	ret = mt7921_mcu_init(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7921_eeprom_init(dev);
+	if (ret < 0)
+		return ret;
+
+	/* Beacon and mgmt frames should occupy wcid 0 */
+	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
+	if (idx)
+		return -ENOSPC;
+
+	dev->mt76.global_wcid.idx = idx;
+	dev->mt76.global_wcid.hw_key_idx = -1;
+	dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+	return 0;
+}
+
+int mt7921_register_device(struct mt7921_dev *dev)
+{
+	struct ieee80211_hw *hw = mt76_hw(dev);
+	int ret;
+
+	dev->phy.dev = dev;
+	dev->phy.mt76 = &dev->mt76.phy;
+	dev->mt76.phy.priv = &dev->phy;
+	INIT_LIST_HEAD(&dev->phy.stats_list);
+	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
+	INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
+	skb_queue_head_init(&dev->phy.scan_event_list);
+	INIT_LIST_HEAD(&dev->sta_poll_list);
+	spin_lock_init(&dev->sta_poll_lock);
+
+	init_waitqueue_head(&dev->reset_wait);
+	INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
+
+	ret = mt7921_init_hardware(dev);
+	if (ret)
+		return ret;
+
+	mt7921_init_wiphy(hw);
+	dev->mphy.sband_2g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_SHORT_GI_160 |
+			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+	dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
+	dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
+
+	mt76_set_stream_caps(&dev->mphy, true);
+	mt7921_set_stream_he_caps(&dev->phy);
+
+	ret = mt76_register_device(&dev->mt76, true, mt7921_rates,
+				   ARRAY_SIZE(mt7921_rates));
+	if (ret)
+		return ret;
+
+	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
+
+	return 0;
+}
+
+void mt7921_unregister_device(struct mt7921_dev *dev)
+{
+	mt76_unregister_device(&dev->mt76);
+	mt7921_mcu_exit(dev);
+	mt7921_dma_cleanup(dev);
+
+	mt7921_tx_token_put(dev);
+
+	tasklet_disable(&dev->irq_tasklet);
+	mt76_free_device(&dev->mt76);
+}

184 lines not on this page · raw message

index 800fc320dfb2..cd3a1c691e48 100644
@@ -969,9 +969,10 @@ static int mt7921_suspend(struct ieee80211_hw *hw,
 	set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
 	ieee80211_iterate_active_interfaces(hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,
-					    mt7921_mcu_set_suspend_iter, phy);
+					    mt76_connac_mcu_set_suspend_iter,
+					    &dev->mphy);
 
-	err = mt7921_mcu_set_hif_suspend(dev, true);
+	err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
 
 	mutex_unlock(&dev->mt76.mutex);
 

@@ -986,7 +987,7 @@ static int mt7921_resume(struct ieee80211_hw *hw)
 
 	mutex_lock(&dev->mt76.mutex);
 
-	err = mt7921_mcu_set_hif_suspend(dev, false);
+	err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
 	if (err < 0)
 		goto out;
 

@@ -994,7 +995,8 @@ static int mt7921_resume(struct ieee80211_hw *hw)
 	clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
 	ieee80211_iterate_active_interfaces(hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,
-					    mt7921_mcu_set_suspend_iter, phy);
+					    mt76_connac_mcu_set_suspend_iter,
+					    &dev->mphy);
 
 	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
 				     MT7921_WATCHDOG_TIME);

@@ -1019,7 +1021,7 @@ static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
 	struct mt7921_dev *dev = mt7921_hw_dev(hw);
 
 	mutex_lock(&dev->mt76.mutex);
-	mt7921_mcu_update_gtk_rekey(hw, vif, data);
+	mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
 	mutex_unlock(&dev->mt76.mutex);
 }
 #endif /* CONFIG_PM */

321 lines not on this page · raw message

99 lines not on this page · raw message

index 6085531cfd06..33de0be341bf 100644
@@ -315,12 +315,6 @@ int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 			     bool enable);
 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 			  bool enable);
-int mt7921_mcu_set_hif_suspend(struct mt7921_dev *dev, bool suspend);
-void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac,
-				 struct ieee80211_vif *vif);
-int mt7921_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
-				struct ieee80211_vif *vif,
-				struct cfg80211_gtk_rekey_data *key);
 int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw,
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_bss_conf *info);

index 613648a391a2..ff5fbc1e23aa 100644
@@ -178,7 +178,7 @@ static int mt7921_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	hif_suspend = !test_bit(MT76_STATE_SUSPEND, &dev->mphy.state);
 	if (hif_suspend) {
-		err = mt7921_mcu_set_hif_suspend(dev, true);
+		err = mt76_connac_mcu_set_hif_suspend(mdev, true);
 		if (err)
 			return err;
 	}

@@ -218,7 +218,7 @@ static int mt7921_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	}
 	napi_enable(&mdev->tx_napi);
 	if (hif_suspend)
-		mt7921_mcu_set_hif_suspend(dev, false);
+		mt76_connac_mcu_set_hif_suspend(mdev, false);
 
 	return err;
 }

@@ -253,7 +253,7 @@ static int mt7921_pci_resume(struct pci_dev *pdev)
 	napi_schedule(&mdev->tx_napi);
 
 	if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state))
-		err = mt7921_mcu_set_hif_suspend(dev, false);
+		err = mt76_connac_mcu_set_hif_suspend(mdev, false);
 
 	return err;
 }

new file mode 100644
index 000000000000..bf001689b5e8
@@ -0,0 +1,1363 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/timekeeping.h>
+#include "mt7921.h"
+#include "../dma.h"
+#include "mac.h"
+
+#define to_rssi(field, rxv)	((FIELD_GET(field, rxv) - 220) / 2)
+
+#define HE_BITS(f)		cpu_to_le16(IEEE80211_RADIOTAP_HE_##f)
+#define HE_PREP(f, m, v)	le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\
+						 IEEE80211_RADIOTAP_HE_##f)
+
+static struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev,
+					    u16 idx, bool unicast)
+{
+	struct mt7921_sta *sta;
+	struct mt76_wcid *wcid;
+
+	if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+		return NULL;
+
+	wcid = rcu_dereference(dev->mt76.wcid[idx]);
+	if (unicast || !wcid)
+		return wcid;
+
+	if (!wcid->sta)
+		return NULL;
+
+	sta = container_of(wcid, struct mt7921_sta, wcid);
+	if (!sta->vif)
+		return NULL;
+
+	return &sta->vif->sta.wcid;
+}
+
+void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
+{
+}
+
+bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask)
+{
+	mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
+		 FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
+
+	return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
+			 0, 5000);
+}
+
+static u32 mt7921_mac_wtbl_lmac_addr(struct mt7921_dev *dev, u16 wcid)
+{
+	mt76_wr(dev, MT_WTBLON_TOP_WDUCR,
+		FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7)));
+
+	return MT_WTBL_LMAC_OFFS(wcid, 0);
+}
+
+static void mt7921_mac_sta_poll(struct mt7921_dev *dev)
+{
+	static const u8 ac_to_tid[] = {
+		[IEEE80211_AC_BE] = 0,
+		[IEEE80211_AC_BK] = 1,
+		[IEEE80211_AC_VI] = 4,
+		[IEEE80211_AC_VO] = 6
+	};
+	struct ieee80211_sta *sta;
+	struct mt7921_sta *msta;
+	u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
+	LIST_HEAD(sta_poll_list);
+	int i;
+
+	spin_lock_bh(&dev->sta_poll_lock);
+	list_splice_init(&dev->sta_poll_list, &sta_poll_list);
+	spin_unlock_bh(&dev->sta_poll_lock);
+
+	rcu_read_lock();
+
+	while (true) {
+		bool clear = false;
+		u32 addr;
+		u16 idx;
+
+		spin_lock_bh(&dev->sta_poll_lock);
+		if (list_empty(&sta_poll_list)) {
+			spin_unlock_bh(&dev->sta_poll_lock);
+			break;
+		}
+		msta = list_first_entry(&sta_poll_list,
+					struct mt7921_sta, poll_list);
+		list_del_init(&msta->poll_list);
+		spin_unlock_bh(&dev->sta_poll_lock);
+
+		idx = msta->wcid.idx;
+		addr = mt7921_mac_wtbl_lmac_addr(dev, idx) + 20 * 4;
+
+		for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+			u32 tx_last = msta->airtime_ac[i];
+			u32 rx_last = msta->airtime_ac[i + 4];
+
+			msta->airtime_ac[i] = mt76_rr(dev, addr);
+			msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4);
+
+			tx_time[i] = msta->airtime_ac[i] - tx_last;
+			rx_time[i] = msta->airtime_ac[i + 4] - rx_last;
+
+			if ((tx_last | rx_last) & BIT(30))
+				clear = true;
+
+			addr += 8;
+		}
+
+		if (clear) {
+			mt7921_mac_wtbl_update(dev, idx,
+					       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+			memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+		}
+
+		if (!msta->wcid.sta)
+			continue;
+
+		sta = container_of((void *)msta, struct ieee80211_sta,
+				   drv_priv);
+		for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+			u8 q = mt7921_lmac_mapping(dev, i);
+			u32 tx_cur = tx_time[q];
+			u32 rx_cur = rx_time[q];
+			u8 tid = ac_to_tid[i];
+
+			if (!tx_cur && !rx_cur)
+				continue;
+
+			ieee80211_sta_register_airtime(sta, tid, tx_cur,
+						       rx_cur);
+		}
+	}
+
+	rcu_read_unlock();
+}
+
+static void
+mt7921_mac_decode_he_radiotap_ru(struct mt76_rx_status *status,
+				 struct ieee80211_radiotap_he *he,
+				 __le32 *rxv)
+{
+	u32 ru_h, ru_l;
+	u8 ru, offs = 0;
+
+	ru_l = FIELD_GET(MT_PRXV_HE_RU_ALLOC_L, le32_to_cpu(rxv[0]));
+	ru_h = FIELD_GET(MT_PRXV_HE_RU_ALLOC_H, le32_to_cpu(rxv[1]));
+	ru = (u8)(ru_l | ru_h << 4);
+
+	status->bw = RATE_INFO_BW_HE_RU;
+
+	switch (ru) {
+	case 0 ... 36:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
+		offs = ru;
+		break;
+	case 37 ... 52:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
+		offs = ru - 37;
+		break;
+	case 53 ... 60:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+		offs = ru - 53;
+		break;
+	case 61 ... 64:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
+		offs = ru - 61;
+		break;
+	case 65 ... 66:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
+		offs = ru - 65;
+		break;
+	case 67:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
+		break;
+	case 68:
+		status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
+		break;
+	}
+
+	he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
+	he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) |
+		     le16_encode_bits(offs,
+				      IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
+}
+
+static void
+mt7921_mac_decode_he_radiotap(struct sk_buff *skb,
+			      struct mt76_rx_status *status,
+			      __le32 *rxv, u32 phy)
+{
+	/* TODO: struct ieee80211_radiotap_he_mu */
+	static const struct ieee80211_radiotap_he known = {
+		.data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) |
+			 HE_BITS(DATA1_DATA_DCM_KNOWN) |
+			 HE_BITS(DATA1_STBC_KNOWN) |
+			 HE_BITS(DATA1_CODING_KNOWN) |
+			 HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
+			 HE_BITS(DATA1_DOPPLER_KNOWN) |
+			 HE_BITS(DATA1_BSS_COLOR_KNOWN),
+		.data2 = HE_BITS(DATA2_GI_KNOWN) |
+			 HE_BITS(DATA2_TXBF_KNOWN) |
+			 HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
+			 HE_BITS(DATA2_TXOP_KNOWN),
+	};
+	struct ieee80211_radiotap_he *he = NULL;
+	u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1;
+
+	he = skb_push(skb, sizeof(known));
+	memcpy(he, &known, sizeof(known));
+
+	he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) |
+		    HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]);
+	he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) |
+		    le16_encode_bits(ltf_size,
+				     IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
+	he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) |
+		    HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]);
+
+	switch (phy) {
+	case MT_PHY_TYPE_HE_SU:
+		he->data1 |= HE_BITS(DATA1_FORMAT_SU) |
+			     HE_BITS(DATA1_UL_DL_KNOWN) |
+			     HE_BITS(DATA1_BEAM_CHANGE_KNOWN) |
+			     HE_BITS(DATA1_SPTL_REUSE_KNOWN);
+
+		he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) |
+			     HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+		he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]);
+		break;
+	case MT_PHY_TYPE_HE_EXT_SU:
+		he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) |
+			     HE_BITS(DATA1_UL_DL_KNOWN);
+
+		he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+		break;
+	case MT_PHY_TYPE_HE_MU:
+		he->data1 |= HE_BITS(DATA1_FORMAT_MU) |
+			     HE_BITS(DATA1_UL_DL_KNOWN) |
+			     HE_BITS(DATA1_SPTL_REUSE_KNOWN);
+
+		he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]);
+		he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]);
+
+		mt7921_mac_decode_he_radiotap_ru(status, he, rxv);
+		break;
+	case MT_PHY_TYPE_HE_TB:
+		he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) |
+			     HE_BITS(DATA1_SPTL_REUSE_KNOWN) |
+			     HE_BITS(DATA1_SPTL_REUSE2_KNOWN) |
+			     HE_BITS(DATA1_SPTL_REUSE3_KNOWN) |
+			     HE_BITS(DATA1_SPTL_REUSE4_KNOWN);
+
+		he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) |
+			     HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) |
+			     HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) |
+			     HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]);
+
+		mt7921_mac_decode_he_radiotap_ru(status, he, rxv);
+		break;
+	default:
+		break;
+	}
+}
+
+static void
+mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy,
+			    struct mt76_rx_status *status, u8 chfreq)
+{
+	if (!test_bit(MT76_HW_SCANNING, &mphy->state) &&
+	    !test_bit(MT76_HW_SCHED_SCANNING, &mphy->state) &&
+	    !test_bit(MT76_STATE_ROC, &mphy->state)) {
+		status->freq = mphy->chandef.chan->center_freq;
+		status->band = mphy->chandef.chan->band;
+		return;
+	}
+
+	status->band = chfreq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+	status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
+}
+
+int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
+{
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+	struct mt76_phy *mphy = &dev->mt76.phy;
+	struct mt7921_phy *phy = &dev->phy;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_hdr *hdr;
+	__le32 *rxd = (__le32 *)skb->data;
+	__le32 *rxv = NULL;
+	u32 mode = 0;
+	u32 rxd1 = le32_to_cpu(rxd[1]);
+	u32 rxd2 = le32_to_cpu(rxd[2]);
+	u32 rxd3 = le32_to_cpu(rxd[3]);
+	bool unicast, insert_ccmp_hdr = false;
+	u8 remove_pad;
+	int i, idx;
+	u8 chfreq;
+
+	memset(status, 0, sizeof(*status));
+
+	if (rxd1 & MT_RXD1_NORMAL_BAND_IDX)
+		return -EINVAL;
+
+	if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
+		return -EINVAL;
+
+	chfreq = FIELD_GET(MT_RXD3_NORMAL_CH_FREQ, rxd3);
+	unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
+	idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
+	status->wcid = mt7921_rx_get_wcid(dev, idx, unicast);
+
+	if (status->wcid) {
+		struct mt7921_sta *msta;
+
+		msta = container_of(status->wcid, struct mt7921_sta, wcid);
+		spin_lock_bh(&dev->sta_poll_lock);
+		if (list_empty(&msta->poll_list))
+			list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+		spin_unlock_bh(&dev->sta_poll_lock);
+	}
+
+	mt7921_get_status_freq_info(dev, mphy, status, chfreq);
+
+	if (status->band == NL80211_BAND_5GHZ)
+		sband = &mphy->sband_5g.sband;
+	else
+		sband = &mphy->sband_2g.sband;
+
+	if (!sband->channels)
+		return -EINVAL;
+
+	if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
+		status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+	if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
+		status->flag |= RX_FLAG_MMIC_ERROR;
+
+	if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
+	    !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
+		status->flag |= RX_FLAG_DECRYPTED;
+		status->flag |= RX_FLAG_IV_STRIPPED;
+		status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
+	}
+
+	if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
+		status->flag |= RX_FLAG_AMPDU_DETAILS;
+
+		/* all subframes of an A-MPDU have the same timestamp */
+		if (phy->rx_ampdu_ts != rxd[14]) {
+			if (!++phy->ampdu_ref)
+				phy->ampdu_ref++;
+		}
+		phy->rx_ampdu_ts = rxd[14];
+
+		status->ampdu_ref = phy->ampdu_ref;
+	}
+
+	remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
+
+	if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
+		return -EINVAL;
+
+	rxd += 6;
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
+		rxd += 4;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
+		u8 *data = (u8 *)rxd;
+
+		if (status->flag & RX_FLAG_DECRYPTED) {
+			status->iv[0] = data[5];
+			status->iv[1] = data[4];
+			status->iv[2] = data[3];
+			status->iv[3] = data[2];
+			status->iv[4] = data[1];
+			status->iv[5] = data[0];
+
+			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+		}
+		rxd += 4;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
+		rxd += 2;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	/* RXD Group 3 - P-RXV */
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
+		u32 v0, v1, v2;
+
+		rxv = rxd;
+		rxd += 2;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+
+		v0 = le32_to_cpu(rxv[0]);
+		v1 = le32_to_cpu(rxv[1]);
+		v2 = le32_to_cpu(rxv[2]);
+
+		if (v0 & MT_PRXV_HT_AD_CODE)
+			status->enc_flags |= RX_ENC_FLAG_LDPC;
+
+		status->chains = mphy->antenna_mask;
+		status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1);
+		status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1);
+		status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1);
+		status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1);
+		status->signal = status->chain_signal[0];
+
+		for (i = 1; i < hweight8(mphy->antenna_mask); i++) {
+			if (!(status->chains & BIT(i)))
+				continue;
+
+			status->signal = max(status->signal,
+					     status->chain_signal[i]);
+		}
+
+		/* RXD Group 5 - C-RXV */
+		if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
+			u8 stbc = FIELD_GET(MT_CRXV_HT_STBC, v2);
+			u8 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, v2);
+			bool cck = false;
+
+			rxd += 18;
+			if ((u8 *)rxd - skb->data >= skb->len)
+				return -EINVAL;
+
+			idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0);
+			mode = FIELD_GET(MT_CRXV_TX_MODE, v2);
+
+			switch (mode) {
+			case MT_PHY_TYPE_CCK:
+				cck = true;
+				fallthrough;
+			case MT_PHY_TYPE_OFDM:
+				i = mt76_get_rate(&dev->mt76, sband, i, cck);
+				break;
+			case MT_PHY_TYPE_HT_GF:
+			case MT_PHY_TYPE_HT:
+				status->encoding = RX_ENC_HT;
+				if (i > 31)
+					return -EINVAL;
+				break;
+			case MT_PHY_TYPE_VHT:
+				status->nss =
+					FIELD_GET(MT_PRXV_NSTS, v0) + 1;
+				status->encoding = RX_ENC_VHT;
+				if (i > 9)
+					return -EINVAL;
+				break;
+			case MT_PHY_TYPE_HE_MU:
+				status->flag |= RX_FLAG_RADIOTAP_HE_MU;
+				fallthrough;
+			case MT_PHY_TYPE_HE_SU:
+			case MT_PHY_TYPE_HE_EXT_SU:
+			case MT_PHY_TYPE_HE_TB:
+				status->nss =
+					FIELD_GET(MT_PRXV_NSTS, v0) + 1;
+				status->encoding = RX_ENC_HE;
+				status->flag |= RX_FLAG_RADIOTAP_HE;
+				i &= GENMASK(3, 0);
+
+				if (gi <= NL80211_RATE_INFO_HE_GI_3_2)
+					status->he_gi = gi;
+
+				status->he_dcm = !!(idx & MT_PRXV_TX_DCM);
+				break;
+			default:
+				return -EINVAL;
+			}
+			status->rate_idx = i;
+
+			switch (FIELD_GET(MT_CRXV_FRAME_MODE, v2)) {
+			case IEEE80211_STA_RX_BW_20:
+				break;
+			case IEEE80211_STA_RX_BW_40:
+				if (mode & MT_PHY_TYPE_HE_EXT_SU &&
+				    (idx & MT_PRXV_TX_ER_SU_106T)) {
+					status->bw = RATE_INFO_BW_HE_RU;
+					status->he_ru =
+						NL80211_RATE_INFO_HE_RU_ALLOC_106;
+				} else {
+					status->bw = RATE_INFO_BW_40;
+				}
+				break;
+			case IEEE80211_STA_RX_BW_80:
+				status->bw = RATE_INFO_BW_80;
+				break;
+			case IEEE80211_STA_RX_BW_160:
+				status->bw = RATE_INFO_BW_160;
+				break;
+			default:
+				return -EINVAL;
+			}
+
+			status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc;
+			if (mode < MT_PHY_TYPE_HE_SU && gi)
+				status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+		}
+	}
+
+	skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad);
+
+	if (insert_ccmp_hdr) {
+		u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
+
+		mt76_insert_ccmp_hdr(skb, key_id);
+	}
+
+	if (rxv && status->flag & RX_FLAG_RADIOTAP_HE)
+		mt7921_mac_decode_he_radiotap(skb, status, rxv, mode);
+
+	hdr = mt76_skb_get_hdr(skb);
+	if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control))
+		return 0;
+
+	status->aggr = unicast &&
+		       !ieee80211_is_qos_nullfunc(hdr->frame_control);
+	status->tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+	status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+
+	return 0;
+}
+
+static void
+mt7921_mac_write_txwi_8023(struct mt7921_dev *dev, __le32 *txwi,
+			   struct sk_buff *skb, struct mt76_wcid *wcid)
+{
+	u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+	u8 fc_type, fc_stype;
+	bool wmm = false;
+	u32 val;
+
+	if (wcid->sta) {
+		struct ieee80211_sta *sta;
+
+		sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv);
+		wmm = sta->wme;
+	}
+
+	val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3) |
+	      FIELD_PREP(MT_TXD1_TID, tid);
+
+	if (be16_to_cpu(skb->protocol) >= ETH_P_802_3_MIN)
+		val |= MT_TXD1_ETH_802_3;
+
+	txwi[1] |= cpu_to_le32(val);
+
+	fc_type = IEEE80211_FTYPE_DATA >> 2;
+	fc_stype = wmm ? IEEE80211_STYPE_QOS_DATA >> 4 : 0;
+
+	val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype);
+
+	txwi[2] |= cpu_to_le32(val);
+
+	val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+	txwi[7] |= cpu_to_le32(val);
+}
+
+static void
+mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi,
+			    struct sk_buff *skb, struct ieee80211_key_conf *key)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	bool multicast = is_multicast_ether_addr(hdr->addr1);
+	u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+	__le16 fc = hdr->frame_control;
+	u8 fc_type, fc_stype;
+	u32 val;
+
+	if (ieee80211_is_action(fc) &&
+	    mgmt->u.action.category == WLAN_CATEGORY_BACK &&
+	    mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ) {
+		u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
+
+		txwi[5] |= cpu_to_le32(MT_TXD5_ADD_BA);
+		tid = (capab >> 2) & IEEE80211_QOS_CTL_TID_MASK;
+	} else if (ieee80211_is_back_req(hdr->frame_control)) {
+		struct ieee80211_bar *bar = (struct ieee80211_bar *)hdr;
+		u16 control = le16_to_cpu(bar->control);
+
+		tid = FIELD_GET(IEEE80211_BAR_CTRL_TID_INFO_MASK, control);
+	}
+
+	val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) |
+	      FIELD_PREP(MT_TXD1_HDR_INFO,
+			 ieee80211_get_hdrlen_from_skb(skb) / 2) |
+	      FIELD_PREP(MT_TXD1_TID, tid);
+	txwi[1] |= cpu_to_le32(val);
+
+	fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
+	fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4;
+
+	val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) |
+	      FIELD_PREP(MT_TXD2_MULTICAST, multicast);
+
+	if (key && multicast && ieee80211_is_robust_mgmt_frame(skb) &&
+	    key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+		val |= MT_TXD2_BIP;
+		txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME);
+	}
+
+	if (!ieee80211_is_data(fc) || multicast)
+		val |= MT_TXD2_FIX_RATE;
+
+	txwi[2] |= cpu_to_le32(val);
+
+	if (ieee80211_is_beacon(fc)) {
+		txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
+		txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT);
+	}
+
+	if (info->flags & IEEE80211_TX_CTL_INJECTED) {
+		u16 seqno = le16_to_cpu(hdr->seq_ctrl);
+
+		if (ieee80211_is_back_req(hdr->frame_control)) {
+			struct ieee80211_bar *bar;
+
+			bar = (struct ieee80211_bar *)skb->data;
+			seqno = le16_to_cpu(bar->start_seq_num);
+		}
+
+		val = MT_TXD3_SN_VALID |
+		      FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno));
+		txwi[3] |= cpu_to_le32(val);
+	}
+
+	val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+	txwi[7] |= cpu_to_le32(val);
+}
+
+void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
+			   struct sk_buff *skb, struct mt76_wcid *wcid,
+			   struct ieee80211_key_conf *key, bool beacon)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_vif *vif = info->control.vif;
+	struct mt76_phy *mphy = &dev->mphy;
+	u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
+	bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
+	u16 tx_count = 15;
+	u32 val;
+
+	if (vif) {
+		struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+
+		omac_idx = mvif->omac_idx;
+		wmm_idx = mvif->wmm_idx;
+	}
+
+	if (beacon) {
+		p_fmt = MT_TX_TYPE_FW;
+		q_idx = MT_LMAC_BCN0;
+	} else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) {
+		p_fmt = MT_TX_TYPE_CT;
+		q_idx = MT_LMAC_ALTX0;
+	} else {
+		p_fmt = MT_TX_TYPE_CT;
+		q_idx = wmm_idx * MT7921_MAX_WMM_SETS +
+			mt7921_lmac_mapping(dev, skb_get_queue_mapping(skb));
+	}
+
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+	      FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) |
+	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
+	txwi[0] = cpu_to_le32(val);
+
+	val = MT_TXD1_LONG_FORMAT |
+	      FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
+	      FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
+
+	txwi[1] = cpu_to_le32(val);
+	txwi[2] = 0;
+
+	val = MT_TXD3_SW_POWER_MGMT |
+	      FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
+	if (key)
+		val |= MT_TXD3_PROTECT_FRAME;
+	if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+		val |= MT_TXD3_NO_ACK;
+
+	txwi[3] = cpu_to_le32(val);
+	txwi[4] = 0;
+	txwi[5] = 0;
+	txwi[6] = 0;
+	txwi[7] = wcid->amsdu ? cpu_to_le32(MT_TXD7_HW_AMSDU) : 0;
+
+	if (is_8023)
+		mt7921_mac_write_txwi_8023(dev, txwi, skb, wcid);
+	else
+		mt7921_mac_write_txwi_80211(dev, txwi, skb, key);
+
+	if (txwi[2] & cpu_to_le32(MT_TXD2_FIX_RATE)) {
+		u16 rate;
+
+		/* hardware won't add HTC for mgmt/ctrl frame */
+		txwi[2] |= cpu_to_le32(MT_TXD2_HTC_VLD);
+
+		if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+			rate = MT7921_5G_RATE_DEFAULT;
+		else
+			rate = MT7921_2G_RATE_DEFAULT;
+
+		val = MT_TXD6_FIXED_BW |
+		      FIELD_PREP(MT_TXD6_TX_RATE, rate);
+		txwi[6] |= cpu_to_le32(val);
+		txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
+	}
+}
+
+static void
+mt7921_write_hw_txp(struct mt7921_dev *dev, struct mt76_tx_info *tx_info,
+		    void *txp_ptr, u32 id)
+{
+	struct mt7921_hw_txp *txp = txp_ptr;
+	struct mt7921_txp_ptr *ptr = &txp->ptr[0];
+	int i, nbuf = tx_info->nbuf - 1;
+
+	tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp);
+	tx_info->nbuf = 1;
+
+	txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID);
+
+	for (i = 0; i < nbuf; i++) {
+		u16 len = tx_info->buf[i + 1].len & MT_TXD_LEN_MASK;
+		u32 addr = tx_info->buf[i + 1].addr;
+
+		if (i == nbuf - 1)
+			len |= MT_TXD_LEN_LAST;
+
+		if (i & 1) {
+			ptr->buf1 = cpu_to_le32(addr);
+			ptr->len1 = cpu_to_le16(len);
+			ptr++;
+		} else {
+			ptr->buf0 = cpu_to_le32(addr);
+			ptr->len0 = cpu_to_le16(len);
+		}
+	}
+}
+
+static void mt7921_set_tx_blocked(struct mt7921_dev *dev, bool blocked)
+{
+	struct mt76_phy *mphy = &dev->mphy;
+	struct mt76_queue *q;
+
+	q = mphy->q_tx[0];
+	if (blocked == q->blocked)
+		return;
+
+	q->blocked = blocked;
+	if (!blocked)
+		mt76_worker_schedule(&dev->mt76.tx_worker);
+}
+
+int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
+			  struct ieee80211_sta *sta,
+			  struct mt76_tx_info *tx_info)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+	struct ieee80211_key_conf *key = info->control.hw_key;
+	struct mt76_tx_cb *cb = mt76_tx_skb_cb(tx_info->skb);
+	struct mt76_txwi_cache *t;
+	struct mt7921_txp_common *txp;
+	int id;
+	u8 *txwi = (u8 *)txwi_ptr;
+
+	if (unlikely(tx_info->skb->len <= ETH_HLEN))
+		return -EINVAL;
+
+	if (!wcid)
+		wcid = &dev->mt76.global_wcid;
+
+	cb->wcid = wcid->idx;
+
+	t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+	t->skb = tx_info->skb;
+
+	spin_lock_bh(&dev->token_lock);
+	id = idr_alloc(&dev->token, t, 0, MT7921_TOKEN_SIZE, GFP_ATOMIC);
+	if (id >= 0)
+		dev->token_count++;
+
+	if (dev->token_count >= MT7921_TOKEN_SIZE - MT7921_TOKEN_FREE_THR)
+		mt7921_set_tx_blocked(dev, true);
+	spin_unlock_bh(&dev->token_lock);
+
+	if (id < 0)
+		return id;
+
+	mt7921_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, key,
+			      false);
+
+	txp = (struct mt7921_txp_common *)(txwi + MT_TXD_SIZE);
+	memset(txp, 0, sizeof(struct mt7921_txp_common));
+	mt7921_write_hw_txp(dev, tx_info, txp, id);
+
+	tx_info->skb = DMA_DUMMY_DATA;
+
+	return 0;
+}
+
+static void
+mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
+{
+	struct mt7921_sta *msta;
+	u16 fc, tid;
+	u32 val;
+
+	if (!sta || !sta->ht_cap.ht_supported)
+		return;
+
+	tid = FIELD_GET(MT_TXD1_TID, le32_to_cpu(txwi[1]));
+	if (tid >= 6) /* skip VO queue */
+		return;
+
+	val = le32_to_cpu(txwi[2]);
+	fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 |
+	     FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4;
+	if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
+		return;
+
+	msta = (struct mt7921_sta *)sta->drv_priv;
+	if (!test_and_set_bit(tid, &msta->ampdu_state))
+		ieee80211_start_tx_ba_session(sta, tid, 0);
+}
+
+static void
+mt7921_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb,
+			  struct ieee80211_sta *sta, u8 stat,
+			  struct list_head *free_list)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_status status = {
+		.sta = sta,
+		.info = info,
+		.skb = skb,
+		.free_list = free_list,
+	};
+	struct ieee80211_hw *hw;
+
+	if (sta) {
+		struct mt7921_sta *msta;
+
+		msta = (struct mt7921_sta *)sta->drv_priv;
+		status.rate = &msta->stats.tx_rate;
+	}
+
+	hw = mt76_tx_status_get_hw(mdev, skb);
+
+	if (info->flags & IEEE80211_TX_CTL_AMPDU)
+		info->flags |= IEEE80211_TX_STAT_AMPDU;
+
+	if (stat)
+		ieee80211_tx_info_clear_status(info);
+
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+		info->flags |= IEEE80211_TX_STAT_ACK;
+
+	info->status.tx_time = 0;
+	ieee80211_tx_status_ext(hw, &status);
+}
+
+void mt7921_txp_skb_unmap(struct mt76_dev *dev,
+			  struct mt76_txwi_cache *t)
+{
+	struct mt7921_txp_common *txp;
+	int i;
+
+	txp = mt7921_txwi_to_txp(dev, t);
+
+	for (i = 0; i < ARRAY_SIZE(txp->hw.ptr); i++) {
+		struct mt7921_txp_ptr *ptr = &txp->hw.ptr[i];
+		bool last;
+		u16 len;
+
+		len = le16_to_cpu(ptr->len0);
+		last = len & MT_TXD_LEN_LAST;
+		len &= MT_TXD_LEN_MASK;
+		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len,
+				 DMA_TO_DEVICE);
+		if (last)
+			break;
+
+		len = le16_to_cpu(ptr->len1);
+		last = len & MT_TXD_LEN_LAST;
+		len &= MT_TXD_LEN_MASK;
+		dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len,
+				 DMA_TO_DEVICE);
+		if (last)
+			break;
+	}
+}
+
+void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb)
+{
+	struct mt7921_tx_free *free = (struct mt7921_tx_free *)skb->data;
+	struct mt76_dev *mdev = &dev->mt76;
+	struct mt76_txwi_cache *txwi;
+	struct ieee80211_sta *sta = NULL;
+	LIST_HEAD(free_list);
+	struct sk_buff *tmp;
+	bool wake = false;
+	u8 i, count;
+
+	/* clean DMA queues and unmap buffers first */
+	mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);
+	mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false);
+
+	/* TODO: MT_TX_FREE_LATENCY is msdu time from the TXD is queued into PLE,
+	 * to the time ack is received or dropped by hw (air + hw queue time).
+	 * Should avoid accessing WTBL to get Tx airtime, and use it instead.
+	 */
+	count = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl));
+	for (i = 0; i < count; i++) {
+		u32 msdu, info = le32_to_cpu(free->info[i]);
+		u8 stat;
+
+		/* 1'b1: new wcid pair.
+		 * 1'b0: msdu_id with the same 'wcid pair' as above.
+		 */
+		if (info & MT_TX_FREE_PAIR) {
+			struct mt7921_sta *msta;
+			struct mt7921_phy *phy;
+			struct mt76_wcid *wcid;
+			u16 idx;
+
+			count++;
+			idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
+			wcid = rcu_dereference(dev->mt76.wcid[idx]);
+			sta = wcid_to_sta(wcid);
+			if (!sta)
+				continue;
+
+			msta = container_of(wcid, struct mt7921_sta, wcid);
+			phy = msta->vif->phy;
+			spin_lock_bh(&dev->sta_poll_lock);
+			if (list_empty(&msta->stats_list))
+				list_add_tail(&msta->stats_list, &phy->stats_list);
+			if (list_empty(&msta->poll_list))
+				list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+			spin_unlock_bh(&dev->sta_poll_lock);
+			continue;
+		}
+
+		msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
+		stat = FIELD_GET(MT_TX_FREE_STATUS, info);
+
+		spin_lock_bh(&dev->token_lock);
+		txwi = idr_remove(&dev->token, msdu);
+		if (txwi)
+			dev->token_count--;
+		if (dev->token_count < MT7921_TOKEN_SIZE - MT7921_TOKEN_FREE_THR &&
+		    dev->mphy.q_tx[0]->blocked)
+			wake = true;
+		spin_unlock_bh(&dev->token_lock);
+
+		if (!txwi)
+			continue;
+
+		mt7921_txp_skb_unmap(mdev, txwi);
+		if (txwi->skb) {
+			struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txwi->skb);
+			void *txwi_ptr = mt76_get_txwi_ptr(mdev, txwi);
+
+			if (likely(txwi->skb->protocol != cpu_to_be16(ETH_P_PAE)))
+				mt7921_tx_check_aggr(sta, txwi_ptr);
+
+			if (sta && !info->tx_time_est) {
+				struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
+				int pending;
+
+				pending = atomic_dec_return(&wcid->non_aql_packets);
+				if (pending < 0)
+					atomic_cmpxchg(&wcid->non_aql_packets, pending, 0);
+			}
+
+			mt7921_tx_complete_status(mdev, txwi->skb, sta, stat, &free_list);
+			txwi->skb = NULL;
+		}
+
+		mt76_put_txwi(mdev, txwi);
+	}
+
+	mt7921_mac_sta_poll(dev);
+
+	if (wake) {
+		spin_lock_bh(&dev->token_lock);
+		mt7921_set_tx_blocked(dev, false);
+		spin_unlock_bh(&dev->token_lock);
+	}
+
+	mt76_worker_schedule(&dev->mt76.tx_worker);
+
+	napi_consume_skb(skb, 1);
+
+	list_for_each_entry_safe(skb, tmp, &free_list, list) {
+		skb_list_del_init(skb);
+		napi_consume_skb(skb, 1);
+	}
+}
+
+void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
+{
+	struct mt7921_dev *dev;
+
+	if (!e->txwi) {
+		dev_kfree_skb_any(e->skb);
+		return;
+	}
+
+	dev = container_of(mdev, struct mt7921_dev, mt76);
+
+	/* error path */
+	if (e->skb == DMA_DUMMY_DATA) {
+		struct mt76_txwi_cache *t;
+		struct mt7921_txp_common *txp;
+		u16 token;
+
+		txp = mt7921_txwi_to_txp(mdev, e->txwi);
+
+		token = le16_to_cpu(txp->hw.msdu_id[0]) & ~MT_MSDU_ID_VALID;
+		spin_lock_bh(&dev->token_lock);
+		t = idr_remove(&dev->token, token);
+		spin_unlock_bh(&dev->token_lock);
+		e->skb = t ? t->skb : NULL;
+	}
+
+	if (e->skb) {
+		struct mt76_tx_cb *cb = mt76_tx_skb_cb(e->skb);
+		struct mt76_wcid *wcid;
+
+		wcid = rcu_dereference(dev->mt76.wcid[cb->wcid]);
+
+		mt7921_tx_complete_status(mdev, e->skb, wcid_to_sta(wcid), 0,
+					  NULL);
+	}
+}
+
+void mt7921_mac_reset_counters(struct mt7921_phy *phy)
+{
+	struct mt7921_dev *dev = phy->dev;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		mt76_rr(dev, MT_TX_AGG_CNT(0, i));
+		mt76_rr(dev, MT_TX_AGG_CNT2(0, i));
+	}
+
+	dev->mt76.phy.survey_time = ktime_get_boottime();
+	memset(&dev->mt76.aggr_stats[0], 0, sizeof(dev->mt76.aggr_stats) / 2);
+
+	/* reset airtime counters */
+	mt76_rr(dev, MT_MIB_SDR9(0));
+	mt76_rr(dev, MT_MIB_SDR36(0));
+	mt76_rr(dev, MT_MIB_SDR37(0));
+
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
+	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+void mt7921_mac_set_timing(struct mt7921_phy *phy)
+{
+	s16 coverage_class = phy->coverage_class;
+	struct mt7921_dev *dev = phy->dev;
+	u32 val, reg_offset;
+	u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
+		  FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
+	u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
+		   FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
+	int sifs, offset;
+	bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ;
+
+	if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
+		return;
+
+	if (is_5ghz)
+		sifs = 16;
+	else
+		sifs = 10;
+
+	mt76_set(dev, MT_ARB_SCR(0),
+		 MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+	udelay(1);
+
+	offset = 3 * coverage_class;
+	reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
+		     FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
+
+	mt76_wr(dev, MT_TMAC_CDTR(0), cck + reg_offset);
+	mt76_wr(dev, MT_TMAC_ODTR(0), ofdm + reg_offset);
+	mt76_wr(dev, MT_TMAC_ICR0(0),
+		FIELD_PREP(MT_IFS_EIFS, 360) |
+		FIELD_PREP(MT_IFS_RIFS, 2) |
+		FIELD_PREP(MT_IFS_SIFS, sifs) |
+		FIELD_PREP(MT_IFS_SLOT, phy->slottime));
+
+	if (phy->slottime < 20 || is_5ghz)
+		val = MT7921_CFEND_RATE_DEFAULT;
+	else
+		val = MT7921_CFEND_RATE_11B;
+
+	mt76_rmw_field(dev, MT_AGG_ACR0(0), MT_AGG_ACR_CFEND_RATE, val);
+	mt76_clear(dev, MT_ARB_SCR(0),
+		   MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+}
+
+static u8
+mt7921_phy_get_nf(struct mt7921_phy *phy, int idx)
+{
+	return 0;
+}
+
+static void
+mt7921_phy_update_channel(struct mt76_phy *mphy, int idx)
+{
+	struct mt7921_dev *dev = container_of(mphy->dev, struct mt7921_dev, mt76);
+	struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv;
+	struct mt76_channel_state *state;
+	u64 busy_time, tx_time, rx_time, obss_time;
+	int nf;
+
+	busy_time = mt76_get_field(dev, MT_MIB_SDR9(idx),
+				   MT_MIB_SDR9_BUSY_MASK);
+	tx_time = mt76_get_field(dev, MT_MIB_SDR36(idx),
+				 MT_MIB_SDR36_TXTIME_MASK);
+	rx_time = mt76_get_field(dev, MT_MIB_SDR37(idx),
+				 MT_MIB_SDR37_RXTIME_MASK);
+	obss_time = mt76_get_field(dev, MT_WF_RMAC_MIB_AIRTIME14(idx),
+				   MT_MIB_OBSSTIME_MASK);
+
+	nf = mt7921_phy_get_nf(phy, idx);
+	if (!phy->noise)
+		phy->noise = nf << 4;
+	else if (nf)
+		phy->noise += nf - (phy->noise >> 4);
+
+	state = mphy->chan_state;
+	state->cc_busy += busy_time;
+	state->cc_tx += tx_time;
+	state->cc_rx += rx_time + obss_time;
+	state->cc_bss_rx += rx_time;
+	state->noise = -(phy->noise >> 4);
+}
+
+void mt7921_update_channel(struct mt76_dev *mdev)
+{
+	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+
+	mt7921_phy_update_channel(&mdev->phy, 0);
+	/* reset obss airtime */
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+static bool
+mt7921_wait_reset_state(struct mt7921_dev *dev, u32 state)
+{
+	bool ret;
+
+	ret = wait_event_timeout(dev->reset_wait,
+				 (READ_ONCE(dev->reset_state) & state),
+				 MT7921_RESET_TIMEOUT);
+
+	WARN(!ret, "Timeout waiting for MCU reset state %x\n", state);
+	return ret;
+}
+
+static void
+mt7921_dma_reset(struct mt7921_phy *phy)
+{
+	struct mt7921_dev *dev = phy->dev;
+	int i;
+
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+	usleep_range(1000, 2000);
+
+	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], true);
+	for (i = 0; i < __MT_TXQ_MAX; i++)
+		mt76_queue_tx_cleanup(dev, phy->mt76->q_tx[i], true);
+
+	mt76_for_each_q_rx(&dev->mt76, i) {
+		mt76_queue_rx_reset(dev, i);
+	}
+
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+}
+
+void mt7921_tx_token_put(struct mt7921_dev *dev)
+{
+	struct mt76_txwi_cache *txwi;
+	int id;
+
+	spin_lock_bh(&dev->token_lock);
+	idr_for_each_entry(&dev->token, txwi, id) {
+		mt7921_txp_skb_unmap(&dev->mt76, txwi);
+		if (txwi->skb) {
+			struct ieee80211_hw *hw;
+
+			hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb);
+			ieee80211_free_txskb(hw, txwi->skb);
+		}
+		mt76_put_txwi(&dev->mt76, txwi);
+		dev->token_count--;
+	}
+	spin_unlock_bh(&dev->token_lock);
+	idr_destroy(&dev->token);
+}
+
+/* system error recovery */
+void mt7921_mac_reset_work(struct work_struct *work)
+{
+	struct mt7921_dev *dev;
+
+	dev = container_of(work, struct mt7921_dev, reset_work);
+
+	if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA))
+		return;
+
+	ieee80211_stop_queues(mt76_hw(dev));
+
+	set_bit(MT76_RESET, &dev->mphy.state);
+	set_bit(MT76_MCU_RESET, &dev->mphy.state);
+	wake_up(&dev->mt76.mcu.wait);
+	cancel_delayed_work_sync(&dev->mphy.mac_work);
+
+	/* lock/unlock all queues to ensure that no tx is pending */
+	mt76_txq_schedule_all(&dev->mphy);
+
+	mt76_worker_disable(&dev->mt76.tx_worker);
+	napi_disable(&dev->mt76.napi[0]);
+	napi_disable(&dev->mt76.napi[1]);
+	napi_disable(&dev->mt76.napi[2]);
+	napi_disable(&dev->mt76.tx_napi);
+
+	mutex_lock(&dev->mt76.mutex);
+
+	mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
+
+	mt7921_tx_token_put(dev);
+	idr_init(&dev->token);
+
+	if (mt7921_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {
+		mt7921_dma_reset(&dev->phy);
+
+		mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT);
+		mt7921_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE);
+	}
+
+	clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+	clear_bit(MT76_RESET, &dev->mphy.state);
+
+	mt76_worker_enable(&dev->mt76.tx_worker);
+	napi_enable(&dev->mt76.tx_napi);
+	napi_schedule(&dev->mt76.tx_napi);
+
+	napi_enable(&dev->mt76.napi[0]);
+	napi_schedule(&dev->mt76.napi[0]);
+
+	napi_enable(&dev->mt76.napi[1]);
+	napi_schedule(&dev->mt76.napi[1]);
+
+	napi_enable(&dev->mt76.napi[2]);
+	napi_schedule(&dev->mt76.napi[2]);
+
+	ieee80211_wake_queues(mt76_hw(dev));
+
+	mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
+	mt7921_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
+
+	mutex_unlock(&dev->mt76.mutex);
+
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
+				     MT7921_WATCHDOG_TIME);
+}
+
+static void
+mt7921_mac_update_mib_stats(struct mt7921_phy *phy)
+{
+	struct mt7921_dev *dev = phy->dev;
+	struct mib_stats *mib = &phy->mib;
+	int i, aggr0 = 0, aggr1;
+
+	memset(mib, 0, sizeof(*mib));
+
+	mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(0),
+					  MT_MIB_SDR3_FCS_ERR_MASK);
+
+	for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) {
+		u32 val, val2;
+
+		val = mt76_rr(dev, MT_MIB_MB_SDR1(0, i));
+
+		val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
+		if (val2 > mib->ack_fail_cnt)
+			mib->ack_fail_cnt = val2;
+
+		val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
+		if (val2 > mib->ba_miss_cnt)
+			mib->ba_miss_cnt = val2;
+
+		val = mt76_rr(dev, MT_MIB_MB_SDR0(0, i));
+		val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);
+		if (val2 > mib->rts_retries_cnt) {
+			mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val);
+			mib->rts_retries_cnt = val2;
+		}
+
+		val = mt76_rr(dev, MT_TX_AGG_CNT(0, i));
+		val2 = mt76_rr(dev, MT_TX_AGG_CNT2(0, i));
+
+		dev->mt76.aggr_stats[aggr0++] += val & 0xffff;
+		dev->mt76.aggr_stats[aggr0++] += val >> 16;
+		dev->mt76.aggr_stats[aggr1++] += val2 & 0xffff;
+		dev->mt76.aggr_stats[aggr1++] += val2 >> 16;
+	}
+}
+
+void mt7921_mac_work(struct work_struct *work)
+{
+	struct mt7921_phy *phy;
+	struct mt76_phy *mphy;
+
+	mphy = (struct mt76_phy *)container_of(work, struct mt76_phy,
+					       mac_work.work);
+	phy = mphy->priv;
+
+	mutex_lock(&mphy->dev->mutex);
+
+	mt76_update_survey(mphy->dev);
+	if (++mphy->mac_work_count == 5) {
+		mphy->mac_work_count = 0;
+
+		mt7921_mac_update_mib_stats(phy);
+	}
+
+	mutex_unlock(&mphy->dev->mutex);
+
+	ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
+				     MT7921_WATCHDOG_TIME);
+}

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index c25b380a8f21..995bbdd603e4 100644
@@ -941,6 +941,79 @@ mt7921_sta_rc_update(struct ieee80211_hw *hw,
 {
 }
 
+#ifdef CONFIG_PM
+static int mt7921_suspend(struct ieee80211_hw *hw,
+			  struct cfg80211_wowlan *wowlan)
+{
+	struct mt7921_dev *dev = mt7921_hw_dev(hw);
+	struct mt7921_phy *phy = mt7921_hw_phy(hw);
+	int err;
+
+	cancel_delayed_work_sync(&phy->scan_work);
+	cancel_delayed_work_sync(&phy->mt76->mac_work);
+
+	mutex_lock(&dev->mt76.mutex);
+
+	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+	set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
+	ieee80211_iterate_active_interfaces(hw,
+					    IEEE80211_IFACE_ITER_RESUME_ALL,
+					    mt7921_mcu_set_suspend_iter, phy);
+
+	err = mt7921_mcu_set_hif_suspend(dev, true);
+
+	mutex_unlock(&dev->mt76.mutex);
+
+	return err;
+}
+
+static int mt7921_resume(struct ieee80211_hw *hw)
+{
+	struct mt7921_dev *dev = mt7921_hw_dev(hw);
+	struct mt7921_phy *phy = mt7921_hw_phy(hw);
+	int err;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	err = mt7921_mcu_set_hif_suspend(dev, false);
+	if (err < 0)
+		goto out;
+
+	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+	clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
+	ieee80211_iterate_active_interfaces(hw,
+					    IEEE80211_IFACE_ITER_RESUME_ALL,
+					    mt7921_mcu_set_suspend_iter, phy);
+
+	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
+				     MT7921_WATCHDOG_TIME);
+out:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return err;
+}
+
+static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled)
+{
+	struct mt7921_dev *dev = mt7921_hw_dev(hw);
+	struct mt76_dev *mdev = &dev->mt76;
+
+	device_set_wakeup_enable(mdev->dev, enabled);
+}
+
+static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
+				  struct ieee80211_vif *vif,
+				  struct cfg80211_gtk_rekey_data *data)
+{
+	struct mt7921_dev *dev = mt7921_hw_dev(hw);
+
+	mutex_lock(&dev->mt76.mutex);
+	mt7921_mcu_update_gtk_rekey(hw, vif, data);
+	mutex_unlock(&dev->mt76.mutex);
+}
+#endif /* CONFIG_PM */
+
 const struct ieee80211_ops mt7921_ops = {
 	.tx = mt7921_tx,
 	.start = mt7921_start,

@@ -972,4 +1045,10 @@ const struct ieee80211_ops mt7921_ops = {
 	.cancel_hw_scan = mt7921_cancel_hw_scan,
 	.sched_scan_start = mt7921_start_sched_scan,
 	.sched_scan_stop = mt7921_stop_sched_scan,
+#ifdef CONFIG_PM
+	.suspend = mt7921_suspend,
+	.resume = mt7921_resume,
+	.set_wakeup = mt7921_set_wakeup,
+	.set_rekey_data = mt7921_set_rekey_data,
+#endif /* CONFIG_PM */
 };

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index 161e328fc4ee..a6d5a000d9cc 100644
@@ -360,4 +360,13 @@ int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 			     bool enable);
 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 			  bool enable);
+int mt7921_mcu_set_hif_suspend(struct mt7921_dev *dev, bool suspend);
+void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac,
+				 struct ieee80211_vif *vif);
+int mt7921_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif,
+				struct cfg80211_gtk_rekey_data *key);
+int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw,
+				 struct ieee80211_vif *vif,
+				 struct ieee80211_bss_conf *info);
 #endif

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index 15a7b0a06053..ff244d4758ab 100644
@@ -59,6 +59,11 @@ struct mt76_connac_pm {
 
 extern const struct wiphy_wowlan_support mt76_connac_wowlan_support;
 
+static inline bool is_mt7921(struct mt76_dev *dev)
+{
+	return mt76_chip(dev) == 0x7961;
+}
+
 int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm);
 void mt76_connac_power_save_sched(struct mt76_phy *phy,
 				  struct mt76_connac_pm *pm);

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index 0825ed674d15..60aac6f2d16c 100644
@@ -561,6 +561,8 @@ enum {
 	MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62,
 	MCU_CMD_REG_WRITE = MCU_CE_PREFIX | 0xc0,
 	MCU_CMD_REG_READ = MCU_CE_PREFIX | MCU_QUERY_MASK | 0xc0,
+	MCU_CMD_FWLOG_2_HOST = MCU_CE_PREFIX | 0xc5,
+	MCU_CMD_GET_WTBL = MCU_CE_PREFIX | 0xcd,
 };
 
 enum {

@@ -575,6 +577,8 @@ enum {
 	UNI_BSS_INFO_BCN_CONTENT = 7,
 	UNI_BSS_INFO_QBSS = 15,
 	UNI_BSS_INFO_UAPSD = 19,
+	UNI_BSS_INFO_PS = 21,
+	UNI_BSS_INFO_BCNFT = 22,
 };
 
 enum {

@@ -871,6 +875,23 @@ struct mt76_connac_suspend_tlv {
 	u8 pad[5];
 } __packed;
 
+#define to_wcid_lo(id)		FIELD_GET(GENMASK(7, 0), (u16)id)
+#define to_wcid_hi(id)		FIELD_GET(GENMASK(9, 8), (u16)id)
+
+static inline void
+mt76_connac_mcu_get_wlan_idx(struct mt76_dev *dev, struct mt76_wcid *wcid,
+			     u8 *wlan_idx_lo, u8 *wlan_idx_hi)
+{
+	*wlan_idx_hi = 0;
+
+	if (is_mt7921(dev)) {
+		*wlan_idx_lo = wcid ? to_wcid_lo(wcid->idx) : 0;
+		*wlan_idx_hi = wcid ? to_wcid_hi(wcid->idx) : 0;
+	} else {
+		*wlan_idx_lo = wcid ? wcid->idx : 0;
+	}
+}
+
 struct sk_buff *
 mt76_connac_mcu_alloc_sta_req(struct mt76_dev *dev, struct mt76_vif *mvif,
 			      struct mt76_wcid *wcid);

index ca293fbc682e..4ee7453800c1 100644
@@ -4,6 +4,7 @@
 #include <linux/etherdevice.h>
 #include "mt7921.h"
 #include "mac.h"
+#include "mcu.h"
 #include "eeprom.h"
 
 #define CCK_RATE(_idx, _rate) {						\