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ath9k: Add RSSI information from control and extension chains

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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
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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;
char *buf;
unsigned int len = 0, size = 1152;
unsigned int len = 0, size = 1400;
ssize_t retval = 0;
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",
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("TIMING", ATH9K_PHYERR_TIMING);
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);
}
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_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 decrypt_busy_err;
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 {