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ath9k: Add debug counters for TX

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Location: ath9k/phy#/xmit

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith
2009-07-27 12:08:16 +05:30
committed by John W. Linville
parent 0ee9c13c7c
commit fec247c0d5
4 changed files with 160 additions and 14 deletions
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54
drivers/net/wireless/ath/ath9k/debug.h
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@@ -35,6 +35,15 @@ enum ATH_DEBUG {
#define DBG_DEFAULT (ATH_DBG_FATAL)
struct ath_txq;
struct ath_buf;
#ifdef CONFIG_ATH9K_DEBUG
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
#else
#define TX_STAT_INC(q, c) do { } while (0)
#endif
#ifdef CONFIG_ATH9K_DEBUG
/**
@@ -87,9 +96,45 @@ struct ath_rc_stats {
u8 per;
};
/**
* struct ath_tx_stats - Statistics about TX
* @queued: Total MPDUs (non-aggr) queued
* @completed: Total MPDUs (non-aggr) completed
* @a_aggr: Total no. of aggregates queued
* @a_queued: Total AMPDUs queued
* @a_completed: Total AMPDUs completed
* @a_retries: No. of AMPDUs retried (SW)
* @a_xretries: No. of AMPDUs dropped due to xretries
* @fifo_underrun: FIFO underrun occurrences
Valid only for:
- non-aggregate condition.
- first packet of aggregate.
* @xtxop: No. of frames filtered because of TXOP limit
* @timer_exp: Transmit timer expiry
* @desc_cfg_err: Descriptor configuration errors
* @data_urn: TX data underrun errors
* @delim_urn: TX delimiter underrun errors
*/
struct ath_tx_stats {
u32 queued;
u32 completed;
u32 a_aggr;
u32 a_queued;
u32 a_completed;
u32 a_retries;
u32 a_xretries;
u32 fifo_underrun;
u32 xtxop;
u32 timer_exp;
u32 desc_cfg_err;
u32 data_underrun;
u32 delim_underrun;
};
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
};
struct ath9k_debug {
@@ -100,6 +145,7 @@ struct ath9k_debug {
struct dentry *debugfs_interrupt;
struct dentry *debugfs_rcstat;
struct dentry *debugfs_wiphy;
struct dentry *debugfs_xmit;
struct ath_stats stats;
};
@@ -110,6 +156,8 @@ int ath9k_debug_create_root(void);
void ath9k_debug_remove_root(void);
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf);
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per);
@@ -148,6 +196,12 @@ static inline void ath_debug_stat_rc(struct ath_softc *sc,
{
}
static inline void ath_debug_stat_tx(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_buf *bf)
{
}
static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per)
{