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authorSenthil Balasubramanian <senthilkumar@atheros.com>2011-04-08 14:00:34 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-13 00:58:39 +0400
commit7d75541499319dff375af252345ae1999540b4a9 (patch)
tree66e4dc7cfcff0e15bb63d5b687a64343fc362199 /drivers
parent1570ca59279a74db73b8ff840abdfaf64a9ee2ff (diff)
downloadlinux-7d75541499319dff375af252345ae1999540b4a9.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c40
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.h7
2 files changed, 46 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index a762cadb3ab7..34f191ec8e8c 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -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
}
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 59338de0ce19..1f9f8eada465 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -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 {