ath9k: keep track of what's triggering hardware resets
Export how many times each of the reset triggers has fired through debugfs.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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 a5329c9..327aa28 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -523,9 +523,22 @@
if (tmp & ATH9K_RX_FILTER_PHYRADAR)
len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
- len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n");
- else
- len += snprintf(buf + len, sizeof(buf) - len, "\n");
+ len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "\n\nReset causes:\n"
+ " baseband hang: %d\n"
+ " baseband watchdog: %d\n"
+ " fatal hardware error interrupt: %d\n"
+ " tx hardware error: %d\n"
+ " tx path hang: %d\n"
+ " pll rx hang: %d\n",
+ sc->debug.stats.reset[RESET_TYPE_BB_HANG],
+ sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
+ sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
+ sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
+ sc->debug.stats.reset[RESET_TYPE_TX_HANG],
+ sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
if (len > sizeof(buf))
len = sizeof(buf);