xref: /openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7996/mac.h (revision ecfb9f40)

/* SPDX-License-Identifier: ISC */
/*
 * Copyright (C) 2022 MediaTek Inc.
 */

#ifndef __MT7996_MAC_H
#define __MT7996_MAC_H

#define MT_CT_PARSE_LEN			72
#define MT_CT_DMA_BUF_NUM		2

#define MT_RXD0_LENGTH			GENMASK(15, 0)
#define MT_RXD0_PKT_TYPE		GENMASK(31, 27)

#define MT_RXD0_NORMAL_ETH_TYPE_OFS	GENMASK(22, 16)
#define MT_RXD0_NORMAL_IP_SUM		BIT(23)
#define MT_RXD0_NORMAL_UDP_TCP_SUM	BIT(24)

#define MT_RXD0_SW_PKT_TYPE_MASK	GENMASK(31, 16)
#define MT_RXD0_SW_PKT_TYPE_MAP		0x380F
#define MT_RXD0_SW_PKT_TYPE_FRAME	0x3801

enum rx_pkt_type {
	PKT_TYPE_TXS,
	PKT_TYPE_TXRXV,
	PKT_TYPE_NORMAL,
	PKT_TYPE_RX_DUP_RFB,
	PKT_TYPE_RX_TMR,
	PKT_TYPE_RETRIEVE,
	PKT_TYPE_TXRX_NOTIFY,
	PKT_TYPE_RX_EVENT,
	PKT_TYPE_RX_FW_MONITOR = 0x0c,
};

/* RXD DW1 */
#define MT_RXD1_NORMAL_WLAN_IDX		GENMASK(11, 0)
#define MT_RXD1_NORMAL_GROUP_1		BIT(16)
#define MT_RXD1_NORMAL_GROUP_2		BIT(17)
#define MT_RXD1_NORMAL_GROUP_3		BIT(18)
#define MT_RXD1_NORMAL_GROUP_4		BIT(19)
#define MT_RXD1_NORMAL_GROUP_5		BIT(20)
#define MT_RXD1_NORMAL_KEY_ID		GENMASK(22, 21)
#define MT_RXD1_NORMAL_CM		BIT(23)
#define MT_RXD1_NORMAL_CLM		BIT(24)
#define MT_RXD1_NORMAL_ICV_ERR		BIT(25)
#define MT_RXD1_NORMAL_TKIP_MIC_ERR	BIT(26)
#define MT_RXD1_NORMAL_BAND_IDX		GENMASK(28, 27)
#define MT_RXD1_NORMAL_SPP_EN		BIT(29)
#define MT_RXD1_NORMAL_ADD_OM		BIT(30)
#define MT_RXD1_NORMAL_SEC_DONE		BIT(31)

/* RXD DW2 */
#define MT_RXD2_NORMAL_BSSID		GENMASK(5, 0)
#define MT_RXD2_NORMAL_MAC_HDR_LEN	GENMASK(12, 8)
#define MT_RXD2_NORMAL_HDR_TRANS	BIT(7)
#define MT_RXD2_NORMAL_HDR_OFFSET	GENMASK(15, 13)
#define MT_RXD2_NORMAL_SEC_MODE		GENMASK(20, 16)
#define MT_RXD2_NORMAL_MU_BAR		BIT(21)
#define MT_RXD2_NORMAL_SW_BIT		BIT(22)
#define MT_RXD2_NORMAL_AMSDU_ERR	BIT(23)
#define MT_RXD2_NORMAL_MAX_LEN_ERROR	BIT(24)
#define MT_RXD2_NORMAL_HDR_TRANS_ERROR	BIT(25)
#define MT_RXD2_NORMAL_INT_FRAME	BIT(26)
#define MT_RXD2_NORMAL_FRAG		BIT(27)
#define MT_RXD2_NORMAL_NULL_FRAME	BIT(28)
#define MT_RXD2_NORMAL_NDATA		BIT(29)
#define MT_RXD2_NORMAL_NON_AMPDU	BIT(30)
#define MT_RXD2_NORMAL_BF_REPORT	BIT(31)

/* RXD DW3 */
#define MT_RXD3_NORMAL_RXV_SEQ		GENMASK(7, 0)
#define MT_RXD3_NORMAL_CH_FREQ		GENMASK(15, 8)
#define MT_RXD3_NORMAL_ADDR_TYPE	GENMASK(17, 16)
#define MT_RXD3_NORMAL_U2M		BIT(0)
#define MT_RXD3_NORMAL_HTC_VLD		BIT(18)
#define MT_RXD3_NORMAL_BEACON_MC	BIT(20)
#define MT_RXD3_NORMAL_BEACON_UC	BIT(21)
#define MT_RXD3_NORMAL_CO_ANT		BIT(22)
#define MT_RXD3_NORMAL_FCS_ERR		BIT(24)
#define MT_RXD3_NORMAL_VLAN2ETH		BIT(31)

/* RXD DW4 */
#define MT_RXD4_NORMAL_PAYLOAD_FORMAT	GENMASK(1, 0)
#define MT_RXD4_FIRST_AMSDU_FRAME	GENMASK(1, 0)
#define MT_RXD4_MID_AMSDU_FRAME		BIT(1)
#define MT_RXD4_LAST_AMSDU_FRAME	BIT(0)

#define MT_RXV_HDR_BAND_IDX		BIT(24)

/* RXD GROUP4 */
#define MT_RXD8_FRAME_CONTROL		GENMASK(15, 0)

#define MT_RXD10_SEQ_CTRL		GENMASK(15, 0)
#define MT_RXD10_QOS_CTL		GENMASK(31, 16)

#define MT_RXD11_HT_CONTROL		GENMASK(31, 0)

/* P-RXV */
#define MT_PRXV_TX_RATE			GENMASK(6, 0)
#define MT_PRXV_TX_DCM			BIT(4)
#define MT_PRXV_TX_ER_SU_106T		BIT(5)
#define MT_PRXV_NSTS			GENMASK(10, 7)
#define MT_PRXV_TXBF			BIT(11)
#define MT_PRXV_HT_AD_CODE		BIT(12)
#define MT_PRXV_HE_RU_ALLOC_L		GENMASK(31, 28)
#define MT_PRXV_HE_RU_ALLOC_H		GENMASK(3, 0)
#define MT_PRXV_RCPI3			GENMASK(31, 24)
#define MT_PRXV_RCPI2			GENMASK(23, 16)
#define MT_PRXV_RCPI1			GENMASK(15, 8)
#define MT_PRXV_RCPI0			GENMASK(7, 0)
#define MT_PRXV_HT_SHORT_GI		GENMASK(4, 3)
#define MT_PRXV_HT_STBC			GENMASK(10, 9)
#define MT_PRXV_TX_MODE			GENMASK(14, 11)
#define MT_PRXV_FRAME_MODE		GENMASK(2, 0)
#define MT_PRXV_DCM			BIT(5)
#define MT_PRXV_NUM_RX			BIT(8, 6)

/* C-RXV */
#define MT_CRXV_HT_STBC			GENMASK(1, 0)
#define MT_CRXV_TX_MODE			GENMASK(7, 4)
#define MT_CRXV_FRAME_MODE		GENMASK(10, 8)
#define MT_CRXV_HT_SHORT_GI		GENMASK(14, 13)
#define MT_CRXV_HE_LTF_SIZE		GENMASK(18, 17)
#define MT_CRXV_HE_LDPC_EXT_SYM		BIT(20)
#define MT_CRXV_HE_PE_DISAMBIG		BIT(23)
#define MT_CRXV_HE_NUM_USER		GENMASK(30, 24)
#define MT_CRXV_HE_UPLINK		BIT(31)
#define MT_CRXV_HE_RU0			GENMASK(7, 0)
#define MT_CRXV_HE_RU1			GENMASK(15, 8)
#define MT_CRXV_HE_RU2			GENMASK(23, 16)
#define MT_CRXV_HE_RU3			GENMASK(31, 24)

#define MT_CRXV_HE_MU_AID		GENMASK(30, 20)

#define MT_CRXV_HE_SR_MASK		GENMASK(11, 8)
#define MT_CRXV_HE_SR1_MASK		GENMASK(16, 12)
#define MT_CRXV_HE_SR2_MASK             GENMASK(20, 17)
#define MT_CRXV_HE_SR3_MASK             GENMASK(24, 21)

#define MT_CRXV_HE_BSS_COLOR		GENMASK(5, 0)
#define MT_CRXV_HE_TXOP_DUR		GENMASK(12, 6)
#define MT_CRXV_HE_BEAM_CHNG		BIT(13)
#define MT_CRXV_HE_DOPPLER		BIT(16)

enum tx_header_format {
	MT_HDR_FORMAT_802_3,
	MT_HDR_FORMAT_CMD,
	MT_HDR_FORMAT_802_11,
	MT_HDR_FORMAT_802_11_EXT,
};

enum tx_pkt_type {
	MT_TX_TYPE_CT,
	MT_TX_TYPE_SF,
	MT_TX_TYPE_CMD,
	MT_TX_TYPE_FW,
};

enum tx_port_idx {
	MT_TX_PORT_IDX_LMAC,
	MT_TX_PORT_IDX_MCU
};

enum tx_mcu_port_q_idx {
	MT_TX_MCU_PORT_RX_Q0 = 0x20,
	MT_TX_MCU_PORT_RX_Q1,
	MT_TX_MCU_PORT_RX_Q2,
	MT_TX_MCU_PORT_RX_Q3,
	MT_TX_MCU_PORT_RX_FWDL = 0x3e
};

enum tx_mgnt_type {
	MT_TX_NORMAL,
	MT_TX_TIMING,
	MT_TX_ADDBA,
};

#define MT_CT_INFO_APPLY_TXD		BIT(0)
#define MT_CT_INFO_COPY_HOST_TXD_ALL	BIT(1)
#define MT_CT_INFO_MGMT_FRAME		BIT(2)
#define MT_CT_INFO_NONE_CIPHER_FRAME	BIT(3)
#define MT_CT_INFO_HSR2_TX		BIT(4)
#define MT_CT_INFO_FROM_HOST		BIT(7)

#define MT_TXD_SIZE			(8 * 4)

#define MT_TXD0_Q_IDX			GENMASK(31, 25)
#define MT_TXD0_PKT_FMT			GENMASK(24, 23)
#define MT_TXD0_ETH_TYPE_OFFSET		GENMASK(22, 16)
#define MT_TXD0_TX_BYTES		GENMASK(15, 0)

#define MT_TXD1_FIXED_RATE		BIT(31)
#define MT_TXD1_OWN_MAC			GENMASK(30, 25)
#define MT_TXD1_TID			GENMASK(24, 21)
#define MT_TXD1_BIP			BIT(24)
#define MT_TXD1_ETH_802_3		BIT(20)
#define MT_TXD1_HDR_INFO		GENMASK(20, 16)
#define MT_TXD1_HDR_FORMAT		GENMASK(15, 14)
#define MT_TXD1_TGID			GENMASK(13, 12)
#define MT_TXD1_WLAN_IDX		GENMASK(11, 0)

#define MT_TXD2_POWER_OFFSET		GENMASK(31, 26)
#define MT_TXD2_MAX_TX_TIME		GENMASK(25, 16)
#define MT_TXD2_FRAG			GENMASK(15, 14)
#define MT_TXD2_HTC_VLD			BIT(13)
#define MT_TXD2_DURATION		BIT(12)
#define MT_TXD2_HDR_PAD			GENMASK(11, 10)
#define MT_TXD2_RTS			BIT(9)
#define MT_TXD2_OWN_MAC_MAP		BIT(8)
#define MT_TXD2_BF_TYPE			GENMASK(6, 7)
#define MT_TXD2_FRAME_TYPE		GENMASK(5, 4)
#define MT_TXD2_SUB_TYPE		GENMASK(3, 0)

#define MT_TXD3_SN_VALID		BIT(31)
#define MT_TXD3_PN_VALID		BIT(30)
#define MT_TXD3_SW_POWER_MGMT		BIT(29)
#define MT_TXD3_BA_DISABLE		BIT(28)
#define MT_TXD3_SEQ			GENMASK(27, 16)
#define MT_TXD3_REM_TX_COUNT		GENMASK(15, 11)
#define MT_TXD3_TX_COUNT		GENMASK(10, 6)
#define MT_TXD3_HW_AMSDU		BIT(5)
#define MT_TXD3_BCM			BIT(4)
#define MT_TXD3_EEOSP			BIT(3)
#define MT_TXD3_EMRD			BIT(2)
#define MT_TXD3_PROTECT_FRAME		BIT(1)
#define MT_TXD3_NO_ACK			BIT(0)

#define MT_TXD4_PN_LOW			GENMASK(31, 0)

#define MT_TXD5_PN_HIGH			GENMASK(31, 16)
#define MT_TXD5_FL			BIT(15)
#define MT_TXD5_BYPASS_TBB		BIT(14)
#define MT_TXD5_BYPASS_RBB		BIT(13)
#define MT_TXD5_BSS_COLOR_ZERO		BIT(12)
#define MT_TXD5_TX_STATUS_HOST		BIT(10)
#define MT_TXD5_TX_STATUS_MCU		BIT(9)
#define MT_TXD5_TX_STATUS_FMT		BIT(8)
#define MT_TXD5_PID			GENMASK(7, 0)

#define MT_TXD6_TX_SRC			GENMASK(31, 30)
#define MT_TXD6_VTA			BIT(28)
#define MT_TXD6_FIXED_BW		BIT(25)
#define MT_TXD6_BW			GENMASK(24, 22)
#define MT_TXD6_TX_RATE			GENMASK(21, 16)
#define MT_TXD6_TIMESTAMP_OFS_EN	BIT(15)
#define MT_TXD6_TIMESTAMP_OFS_IDX	GENMASK(14, 10)
#define MT_TXD6_MSDU_CNT		GENMASK(9, 4)
#define MT_TXD6_SPE_ID_IDX		BIT(10)
#define MT_TXD6_ANT_ID			GENMASK(7, 4)
#define MT_TXD6_DIS_MAT			BIT(3)
#define MT_TXD6_DAS			BIT(2)
#define MT_TXD6_AMSDU_CAP		BIT(1)

#define MT_TXD7_TXD_LEN			GENMASK(31, 30)
#define MT_TXD7_IP_SUM			BIT(29)
#define MT_TXD7_DROP_BY_SDO		BIT(28)
#define MT_TXD7_MAC_TXD			BIT(27)
#define MT_TXD7_CTXD			BIT(26)
#define MT_TXD7_CTXD_CNT		GENMASK(25, 22)
#define MT_TXD7_UDP_TCP_SUM		BIT(15)
#define MT_TXD7_TX_TIME			GENMASK(9, 0)

#define MT_TX_RATE_STBC			BIT(13)
#define MT_TX_RATE_NSS			GENMASK(13, 10)
#define MT_TX_RATE_MODE			GENMASK(9, 6)
#define MT_TX_RATE_SU_EXT_TONE		BIT(5)
#define MT_TX_RATE_DCM			BIT(4)
/* VHT/HE only use bits 0-3 */
#define MT_TX_RATE_IDX			GENMASK(5, 0)

struct mt7996_txp {
	__le16 flags;
	__le16 token;
	u8 bss_idx;
	__le16 rept_wds_wcid;
	u8 nbuf;
#define MT_TXP_MAX_BUF_NUM	6
	__le32 buf[MT_TXP_MAX_BUF_NUM];
	__le16 len[MT_TXP_MAX_BUF_NUM];
} __packed __aligned(4);

#define MT_TXFREE0_PKT_TYPE		GENMASK(31, 27)
#define MT_TXFREE0_MSDU_CNT		GENMASK(25, 16)
#define MT_TXFREE0_RX_BYTE		GENMASK(15, 0)

#define MT_TXFREE1_VER			GENMASK(18, 16)

#define MT_TXFREE_INFO_PAIR		BIT(31)
#define MT_TXFREE_INFO_HEADER		BIT(30)
#define MT_TXFREE_INFO_WLAN_ID		GENMASK(23, 12)
#define MT_TXFREE_INFO_MSDU_ID		GENMASK(14, 0)

#define MT_TXS0_BW			GENMASK(31, 29)
#define MT_TXS0_TID			GENMASK(28, 26)
#define MT_TXS0_AMPDU			BIT(25)
#define MT_TXS0_TXS_FORMAT		GENMASK(24, 23)
#define MT_TXS0_BA_ERROR		BIT(22)
#define MT_TXS0_PS_FLAG			BIT(21)
#define MT_TXS0_TXOP_TIMEOUT		BIT(20)
#define MT_TXS0_BIP_ERROR		BIT(19)

#define MT_TXS0_QUEUE_TIMEOUT		BIT(18)
#define MT_TXS0_RTS_TIMEOUT		BIT(17)
#define MT_TXS0_ACK_TIMEOUT		BIT(16)
#define MT_TXS0_ACK_ERROR_MASK		GENMASK(18, 16)

#define MT_TXS0_TX_STATUS_HOST		BIT(15)
#define MT_TXS0_TX_STATUS_MCU		BIT(14)
#define MT_TXS0_TX_RATE			GENMASK(13, 0)

#define MT_TXS1_SEQNO			GENMASK(31, 20)
#define MT_TXS1_RESP_RATE		GENMASK(19, 16)
#define MT_TXS1_RXV_SEQNO		GENMASK(15, 8)
#define MT_TXS1_TX_POWER_DBM		GENMASK(7, 0)

#define MT_TXS2_BF_STATUS		GENMASK(31, 30)
#define MT_TXS2_BAND			GENMASK(29, 28)
#define MT_TXS2_WCID			GENMASK(27, 16)
#define MT_TXS2_TX_DELAY		GENMASK(15, 0)

#define MT_TXS3_PID			GENMASK(31, 24)
#define MT_TXS3_RATE_STBC		BIT(7)
#define MT_TXS3_FIXED_RATE		BIT(6)
#define MT_TXS3_SRC			GENMASK(5, 4)
#define MT_TXS3_SHARED_ANTENNA		BIT(3)
#define MT_TXS3_LAST_TX_RATE		GENMASK(2, 0)

#define MT_TXS4_TIMESTAMP		GENMASK(31, 0)

#define MT_TXS5_F0_FINAL_MPDU		BIT(31)
#define MT_TXS5_F0_QOS			BIT(30)
#define MT_TXS5_F0_TX_COUNT		GENMASK(29, 25)
#define MT_TXS5_F0_FRONT_TIME		GENMASK(24, 0)
#define MT_TXS5_F1_MPDU_TX_COUNT	GENMASK(31, 24)
#define MT_TXS5_F1_MPDU_TX_BYTES	GENMASK(23, 0)

#define MT_TXS6_F0_NOISE_3		GENMASK(31, 24)
#define MT_TXS6_F0_NOISE_2		GENMASK(23, 16)
#define MT_TXS6_F0_NOISE_1		GENMASK(15, 8)
#define MT_TXS6_F0_NOISE_0		GENMASK(7, 0)
#define MT_TXS6_F1_MPDU_FAIL_COUNT	GENMASK(31, 24)
#define MT_TXS6_F1_MPDU_FAIL_BYTES	GENMASK(23, 0)

#define MT_TXS7_F0_RCPI_3		GENMASK(31, 24)
#define MT_TXS7_F0_RCPI_2		GENMASK(23, 16)
#define MT_TXS7_F0_RCPI_1		GENMASK(15, 8)
#define MT_TXS7_F0_RCPI_0		GENMASK(7, 0)
#define MT_TXS7_F1_MPDU_RETRY_COUNT	GENMASK(31, 24)
#define MT_TXS7_F1_MPDU_RETRY_BYTES	GENMASK(23, 0)

struct mt7996_dfs_pulse {
	u32 max_width;		/* us */
	int max_pwr;		/* dbm */
	int min_pwr;		/* dbm */
	u32 min_stgr_pri;	/* us */
	u32 max_stgr_pri;	/* us */
	u32 min_cr_pri;		/* us */
	u32 max_cr_pri;		/* us */
};

struct mt7996_dfs_pattern {
	u8 enb;
	u8 stgr;
	u8 min_crpn;
	u8 max_crpn;
	u8 min_crpr;
	u8 min_pw;
	u32 min_pri;
	u32 max_pri;
	u8 max_pw;
	u8 min_crbn;
	u8 max_crbn;
	u8 min_stgpn;
	u8 max_stgpn;
	u8 min_stgpr;
	u8 rsv[2];
	u32 min_stgpr_diff;
} __packed;

struct mt7996_dfs_radar_spec {
	struct mt7996_dfs_pulse pulse_th;
	struct mt7996_dfs_pattern radar_pattern[16];
};

static inline struct mt7996_txp *
mt7996_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
{
	u8 *txwi;

	if (!t)
		return NULL;

	txwi = mt76_get_txwi_ptr(dev, t);

	return (struct mt7996_txp *)(txwi + MT_TXD_SIZE);
}

#endif