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
}