drivers/net/wireless/ath/carl9170/debug.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/carl9170/debug.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/carl9170/debug.h
Extension
.h
Size
4472 bytes
Lines
135
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 hw_stat_reg_entry {
	u32 reg;
	char nreg[32];
};

#define	STAT_MAC_REG(reg)	\
	{ (AR9170_MAC_REG_##reg), #reg }

#define	STAT_PTA_REG(reg)	\
	{ (AR9170_PTA_REG_##reg), #reg }

#define	STAT_USB_REG(reg)	\
	{ (AR9170_USB_REG_##reg), #reg }

static const struct hw_stat_reg_entry hw_rx_tally_regs[] = {
	STAT_MAC_REG(RX_CRC32),		STAT_MAC_REG(RX_CRC16),
	STAT_MAC_REG(RX_TIMEOUT_COUNT),	STAT_MAC_REG(RX_ERR_DECRYPTION_UNI),
	STAT_MAC_REG(RX_ERR_DECRYPTION_MUL), STAT_MAC_REG(RX_MPDU),
	STAT_MAC_REG(RX_DROPPED_MPDU),	STAT_MAC_REG(RX_DEL_MPDU),
};

static const struct hw_stat_reg_entry hw_phy_errors_regs[] = {
	STAT_MAC_REG(RX_PHY_MISC_ERROR), STAT_MAC_REG(RX_PHY_XR_ERROR),
	STAT_MAC_REG(RX_PHY_OFDM_ERROR), STAT_MAC_REG(RX_PHY_CCK_ERROR),
	STAT_MAC_REG(RX_PHY_HT_ERROR), STAT_MAC_REG(RX_PHY_TOTAL),
};

static const struct hw_stat_reg_entry hw_tx_tally_regs[] = {
	STAT_MAC_REG(TX_TOTAL),		STAT_MAC_REG(TX_UNDERRUN),
	STAT_MAC_REG(TX_RETRY),
};

static const struct hw_stat_reg_entry hw_wlan_queue_regs[] = {
	STAT_MAC_REG(DMA_STATUS),	STAT_MAC_REG(DMA_TRIGGER),
	STAT_MAC_REG(DMA_TXQ0_ADDR),	STAT_MAC_REG(DMA_TXQ0_CURR_ADDR),
	STAT_MAC_REG(DMA_TXQ1_ADDR),	STAT_MAC_REG(DMA_TXQ1_CURR_ADDR),
	STAT_MAC_REG(DMA_TXQ2_ADDR),	STAT_MAC_REG(DMA_TXQ2_CURR_ADDR),
	STAT_MAC_REG(DMA_TXQ3_ADDR),	STAT_MAC_REG(DMA_TXQ3_CURR_ADDR),
	STAT_MAC_REG(DMA_RXQ_ADDR),	STAT_MAC_REG(DMA_RXQ_CURR_ADDR),
};

static const struct hw_stat_reg_entry hw_ampdu_info_regs[] = {
	STAT_MAC_REG(AMPDU_DENSITY),	STAT_MAC_REG(AMPDU_FACTOR),
};

static const struct hw_stat_reg_entry hw_pta_queue_regs[] = {
	STAT_PTA_REG(DN_CURR_ADDRH),	STAT_PTA_REG(DN_CURR_ADDRL),
	STAT_PTA_REG(UP_CURR_ADDRH),	STAT_PTA_REG(UP_CURR_ADDRL),
	STAT_PTA_REG(DMA_STATUS),	STAT_PTA_REG(DMA_MODE_CTRL),
};

#define	DEFINE_TALLY(name)					\
	u32 name##_sum[ARRAY_SIZE(name##_regs)],		\
	    name##_counter[ARRAY_SIZE(name##_regs)]		\

#define	DEFINE_STAT(name)					\
	u32 name##_counter[ARRAY_SIZE(name##_regs)]		\

struct ath_stats {
	DEFINE_TALLY(hw_tx_tally);
	DEFINE_TALLY(hw_rx_tally);
	DEFINE_TALLY(hw_phy_errors);
	DEFINE_STAT(hw_wlan_queue);
	DEFINE_STAT(hw_pta_queue);
	DEFINE_STAT(hw_ampdu_info);
};

struct carl9170_debug_mem_rbe {
	u32 reg;
	u32 value;
};

#define	CARL9170_DEBUG_RING_SIZE			64

struct carl9170_debug {
	struct ath_stats stats;
	struct carl9170_debug_mem_rbe ring[CARL9170_DEBUG_RING_SIZE];
	struct mutex ring_lock;
	unsigned int ring_head, ring_tail;
	struct delayed_work update_tally;
};

struct ar9170;

void carl9170_debugfs_register(struct ar9170 *ar);
void carl9170_debugfs_unregister(struct ar9170 *ar);
#endif /* __DEBUG_H */

Annotation

Implementation Notes