drivers/net/wireless/ath/ath9k/ar9003_mac.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/ath9k/ar9003_mac.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/ath9k/ar9003_mac.h
Extension
.h
Size
3577 bytes
Lines
124
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 ar9003_rxs {
	u32 ds_info;
	u32 status1;
	u32 status2;
	u32 status3;
	u32 status4;
	u32 status5;
	u32 status6;
	u32 status7;
	u32 status8;
	u32 status9;
	u32 status10;
	u32 status11;
} __packed __aligned(4);

/* Transmit Control Descriptor */
struct ar9003_txc {
	u32 info;   /* descriptor information */
	u32 link;   /* link pointer */
	u32 data0;  /* data pointer to 1st buffer */
	u32 ctl3;   /* DMA control 3  */
	u32 data1;  /* data pointer to 2nd buffer */
	u32 ctl5;   /* DMA control 5  */
	u32 data2;  /* data pointer to 3rd buffer */
	u32 ctl7;   /* DMA control 7  */
	u32 data3;  /* data pointer to 4th buffer */
	u32 ctl9;   /* DMA control 9  */
	u32 ctl10;  /* DMA control 10 */
	u32 ctl11;  /* DMA control 11 */
	u32 ctl12;  /* DMA control 12 */
	u32 ctl13;  /* DMA control 13 */
	u32 ctl14;  /* DMA control 14 */
	u32 ctl15;  /* DMA control 15 */
	u32 ctl16;  /* DMA control 16 */
	u32 ctl17;  /* DMA control 17 */
	u32 ctl18;  /* DMA control 18 */
	u32 ctl19;  /* DMA control 19 */
	u32 ctl20;  /* DMA control 20 */
	u32 ctl21;  /* DMA control 21 */
	u32 ctl22;  /* DMA control 22 */
	u32 ctl23;  /* DMA control 23 */
	u32 pad[8]; /* pad to cache line (128 bytes/32 dwords) */
} __packed __aligned(4);

struct ar9003_txs {
	u32 ds_info;
	u32 status1;
	u32 status2;
	u32 status3;
	u32 status4;
	u32 status5;
	u32 status6;
	u32 status7;
	u32 status8;
} __packed __aligned(4);

void ar9003_hw_attach_mac_ops(struct ath_hw *hw);
void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size);
void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
			    enum ath9k_rx_qtype qtype);

int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah,
				 struct ath_rx_status *rxs,
				 void *buf_addr);
void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah);
void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
			       u32 ts_paddr_start,
			       u16 size);
#endif

Annotation

Implementation Notes