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ath9k: Add RSSI information from control and extension chains 

Export RSSI information from all the control and extension
channel chains to debugfs. Also add rx antenna information
to debugfs. This will be useful for debugging purpose.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Senthil Balasubramanian 2011-04-08 15:30:34 +05:30 committed by John W. Linville
parent 1570ca5927
commit 7d75541499
2 changed files with 46 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/net/wireless/ath/ath9k/debug.c
View File

@ -845,7 +845,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
struct ath_softc *sc = file->private_data; struct ath_softc *sc = file->private_data;
char *buf; char *buf;
unsigned int len = 0, size = 1152; unsigned int len = 0, size = 1400;
ssize_t retval = 0; ssize_t retval = 0;
buf = kzalloc(size, GFP_KERNEL); buf = kzalloc(size, GFP_KERNEL);
@ -874,6 +874,34 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
"%18s : %10u\n", "DECRYPT BUSY ERR", "%18s : %10u\n", "DECRYPT BUSY ERR",
sc->debug.stats.rxstats.decrypt_busy_err); sc->debug.stats.rxstats.decrypt_busy_err);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-CTL0",
sc->debug.stats.rxstats.rs_rssi_ctl0);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-CTL1",
sc->debug.stats.rxstats.rs_rssi_ctl1);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-CTL2",
sc->debug.stats.rxstats.rs_rssi_ctl2);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-EXT0",
sc->debug.stats.rxstats.rs_rssi_ext0);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-EXT1",
sc->debug.stats.rxstats.rs_rssi_ext1);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "RSSI-EXT2",
sc->debug.stats.rxstats.rs_rssi_ext2);
len += snprintf(buf + len, size - len,
"%18s : %10d\n", "Rx Antenna",
sc->debug.stats.rxstats.rs_antenna);
PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
@ -948,6 +976,16 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
RX_PHY_ERR_INC(phyerr); RX_PHY_ERR_INC(phyerr);
} }
sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
#undef RX_STAT_INC #undef RX_STAT_INC
#undef RX_PHY_ERR_INC #undef RX_PHY_ERR_INC
} }

7
drivers/net/wireless/ath/ath9k/debug.h
View File

@ -157,6 +157,13 @@ struct ath_rx_stats {
u32 post_delim_crc_err; u32 post_delim_crc_err;
u32 decrypt_busy_err; u32 decrypt_busy_err;
u32 phy_err_stats[ATH9K_PHYERR_MAX]; u32 phy_err_stats[ATH9K_PHYERR_MAX];
int8_t rs_rssi_ctl0;
int8_t rs_rssi_ctl1;
int8_t rs_rssi_ctl2;
int8_t rs_rssi_ext0;
int8_t rs_rssi_ext1;
int8_t rs_rssi_ext2;
u8 rs_antenna;
}; };
struct ath_stats { struct ath_stats {