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>
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index a762cad..34f191e 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -845,7 +845,7 @@
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 @@
"%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 @@
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 59338de..1f9f8ea 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -157,6 +157,13 @@
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 {