drivers/net/wireless/mediatek/mt76/mt76x02_mac.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
Extension
.h
Size
5947 bytes
Lines
209
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mt76x02_tx_status {
	u8 valid:1;
	u8 success:1;
	u8 aggr:1;
	u8 ack_req:1;
	u8 wcid;
	u8 pktid;
	u8 retry;
	u16 rate;
} __packed __aligned(2);

#define MT_VIF_WCID(_n)		(254 - ((_n) & 7))
#define MT_MAX_VIFS		8

#define MT_PKTID_RATE		GENMASK(4, 0)
#define MT_PKTID_AC		GENMASK(6, 5)

struct mt76x02_vif {
	struct mt76_wcid group_wcid; /* must be first */
	u8 idx;
};

DECLARE_EWMA(pktlen, 8, 8);

struct mt76x02_sta {
	struct mt76_wcid wcid; /* must be first */

	struct mt76x02_vif *vif;
	struct mt76x02_tx_status status;
	int n_frames;

	struct ewma_pktlen pktlen;
};

#define MT_RXINFO_BA			BIT(0)
#define MT_RXINFO_DATA			BIT(1)
#define MT_RXINFO_NULL			BIT(2)
#define MT_RXINFO_FRAG			BIT(3)
#define MT_RXINFO_UNICAST		BIT(4)
#define MT_RXINFO_MULTICAST		BIT(5)
#define MT_RXINFO_BROADCAST		BIT(6)
#define MT_RXINFO_MYBSS			BIT(7)
#define MT_RXINFO_CRCERR		BIT(8)
#define MT_RXINFO_ICVERR		BIT(9)
#define MT_RXINFO_MICERR		BIT(10)
#define MT_RXINFO_AMSDU			BIT(11)
#define MT_RXINFO_HTC			BIT(12)
#define MT_RXINFO_RSSI			BIT(13)
#define MT_RXINFO_L2PAD			BIT(14)
#define MT_RXINFO_AMPDU			BIT(15)
#define MT_RXINFO_DECRYPT		BIT(16)
#define MT_RXINFO_BSSIDX3		BIT(17)
#define MT_RXINFO_WAPI_KEY		BIT(18)
#define MT_RXINFO_PN_LEN		GENMASK(21, 19)
#define MT_RXINFO_SW_FTYPE0		BIT(22)
#define MT_RXINFO_SW_FTYPE1		BIT(23)
#define MT_RXINFO_PROBE_RESP		BIT(24)
#define MT_RXINFO_BEACON		BIT(25)
#define MT_RXINFO_DISASSOC		BIT(26)
#define MT_RXINFO_DEAUTH		BIT(27)
#define MT_RXINFO_ACTION		BIT(28)
#define MT_RXINFO_TCP_SUM_ERR		BIT(30)
#define MT_RXINFO_IP_SUM_ERR		BIT(31)

#define MT_RXWI_CTL_WCID		GENMASK(7, 0)
#define MT_RXWI_CTL_KEY_IDX		GENMASK(9, 8)
#define MT_RXWI_CTL_BSS_IDX		GENMASK(12, 10)
#define MT_RXWI_CTL_UDF			GENMASK(15, 13)
#define MT_RXWI_CTL_MPDU_LEN		GENMASK(29, 16)
#define MT_RXWI_CTL_EOF			BIT(31)

#define MT_RXWI_TID			GENMASK(3, 0)
#define MT_RXWI_SN			GENMASK(15, 4)

#define MT_RXWI_RATE_INDEX		GENMASK(5, 0)
#define MT_RXWI_RATE_LDPC		BIT(6)
#define MT_RXWI_RATE_BW			GENMASK(8, 7)
#define MT_RXWI_RATE_SGI		BIT(9)
#define MT_RXWI_RATE_STBC		BIT(10)
#define MT_RXWI_RATE_LDPC_EXSYM		BIT(11)
#define MT_RXWI_RATE_PHY		GENMASK(15, 13)

#define MT_RATE_INDEX_VHT_IDX		GENMASK(3, 0)
#define MT_RATE_INDEX_VHT_NSS		GENMASK(5, 4)

struct mt76x02_rxwi {
	__le32 rxinfo;

	__le32 ctl;

Annotation

Implementation Notes