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ath9k: Add debugfs file for RX errors

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This file can be used to track frame reception errors.
PHY error counts are also added.

Location: ath9k/phy#/recv

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith
2010-01-08 10:36:11 +05:30
committed by John W. Linville
parent cc9c378aa5
commit 1395d3f00a
4 changed files with 186 additions and 0 deletions
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32
drivers/net/wireless/ath/ath9k/debug.h
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@@ -116,10 +116,35 @@ struct ath_tx_stats {
u32 delim_underrun;
};
/**
* struct ath_rx_stats - RX Statistics
* @crc_err: No. of frames with incorrect CRC value
* @decrypt_crc_err: No. of frames whose CRC check failed after
decryption process completed
* @phy_err: No. of frames whose reception failed because the PHY
encountered an error
* @mic_err: No. of frames with incorrect TKIP MIC verification failure
* @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
* @post_delim_crc_err: Post-Frame delimiter CRC error detections
* @decrypt_busy_err: Decryption interruptions counter
* @phy_err_stats: Individual PHY error statistics
*/
struct ath_rx_stats {
u32 crc_err;
u32 decrypt_crc_err;
u32 phy_err;
u32 mic_err;
u32 pre_delim_crc_err;
u32 post_delim_crc_err;
u32 decrypt_busy_err;
u32 phy_err_stats[ATH9K_PHYERR_MAX];
};
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 ath_rx_stats rxstats;
};
struct ath9k_debug {
@@ -130,6 +155,7 @@ struct ath9k_debug {
struct dentry *debugfs_rcstat;
struct dentry *debugfs_wiphy;
struct dentry *debugfs_xmit;
struct dentry *debugfs_recv;
struct ath_stats stats;
};
@@ -142,6 +168,7 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf);
void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf);
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per);
@@ -181,6 +208,11 @@ static inline void ath_debug_stat_tx(struct ath_softc *sc,
{
}
static inline void ath_debug_stat_rx(struct ath_softc *sc,
struct ath_buf *bf)
{
}
static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per)
{