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.h b/drivers/net/wireless/ath/ath9k/debug.h
index b93e88b..356352a 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -25,8 +25,10 @@
#ifdef CONFIG_ATH9K_DEBUGFS
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
+#define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
#else
#define TX_STAT_INC(q, c) do { } while (0)
+#define RESET_STAT_INC(sc, type) do { } while (0)
#endif
#ifdef CONFIG_ATH9K_DEBUGFS
@@ -171,10 +173,21 @@
u8 rs_antenna;
};
+enum ath_reset_type {
+ RESET_TYPE_BB_HANG,
+ RESET_TYPE_BB_WATCHDOG,
+ RESET_TYPE_FATAL_INT,
+ RESET_TYPE_TX_ERROR,
+ RESET_TYPE_TX_HANG,
+ RESET_TYPE_PLL_HANG,
+ __RESET_TYPE_MAX
+};
+
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
struct ath_rx_stats rxstats;
+ u32 reset[__RESET_TYPE_MAX];
};
#define ATH_DBG_MAX_SAMPLES 10