drivers/net/wireless/ti/wl18xx/wl18xx.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ti/wl18xx/wl18xx.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ti/wl18xx/wl18xx.h
Extension
.h
Size
5667 bytes
Lines
247
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 wl18xx_priv {
	/* buffer for sending commands to FW */
	u8 cmd_buf[WL18XX_CMD_MAX_SIZE];

	struct wl18xx_priv_conf conf;

	/* Index of last released Tx desc in FW */
	u8 last_fw_rls_idx;

	/* number of keys requiring extra spare mem-blocks */
	int extra_spare_key_count;
};

#define WL18XX_FW_MAX_TX_STATUS_DESC 33

struct wl18xx_fw_status_priv {
	/*
	 * Index in released_tx_desc for first byte that holds
	 * released tx host desc
	 */
	u8 fw_release_idx;

	/*
	 * Array of host Tx descriptors, where fw_release_idx
	 * indicated the first released idx.
	 */
	u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC];

	/* A bitmap representing the currently suspended links. The suspend
	 * is short lived, for multi-channel Tx requirements.
	 */
	__le32 link_suspend_bitmap;

	/* packet threshold for an "almost empty" AC,
	 * for Tx schedulng purposes
	 */
	u8 tx_ac_threshold;

	/* number of packets to queue up for a link in PS */
	u8 tx_ps_threshold;

	/* number of packet to queue up for a suspended link */
	u8 tx_suspend_threshold;

	/* Should have less than this number of packets in queue of a slow
	 * link to qualify as high priority link
	 */
	u8 tx_slow_link_prio_threshold;

	/* Should have less than this number of packets in queue of a fast
	 * link to qualify as high priority link
	 */
	u8 tx_fast_link_prio_threshold;

	/* Should have less than this number of packets in queue of a slow
	 * link before we stop queuing up packets for it.
	 */
	u8 tx_slow_stop_threshold;

	/* Should have less than this number of packets in queue of a fast
	 * link before we stop queuing up packets for it.
	 */
	u8 tx_fast_stop_threshold;

	u8 padding[3];
};

struct wl18xx_fw_packet_counters {
	/* Cumulative counter of released packets per AC */
	u8 tx_released_pkts[NUM_TX_QUEUES];

	/* Cumulative counter of freed packets per HLID */
	u8 tx_lnk_free_pkts[WL18XX_MAX_LINKS];

	/* Cumulative counter of released Voice memory blocks */
	u8 tx_voice_released_blks;

	/* Tx rate of the last transmitted packet */
	u8 tx_last_rate;

	/* Tx rate or Tx rate estimate pre-calculated by fw in mbps units */
	u8 tx_last_rate_mbps;

	/* hlid for which the rates were reported */
	u8 hlid;
} __packed;

/* FW status registers */
struct wl18xx_fw_status {
	__le32 intr;

Annotation

Implementation Notes