diff options
Diffstat (limited to 'package/mac80211/patches/571-ath9k_reset_debug.patch')
| -rw-r--r-- | package/mac80211/patches/571-ath9k_reset_debug.patch | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/package/mac80211/patches/571-ath9k_reset_debug.patch b/package/mac80211/patches/571-ath9k_reset_debug.patch new file mode 100644 index 000000000..b87b62c37 --- /dev/null +++ b/package/mac80211/patches/571-ath9k_reset_debug.patch @@ -0,0 +1,122 @@ +--- a/drivers/net/wireless/ath/ath9k/debug.h ++++ b/drivers/net/wireless/ath/ath9k/debug.h +@@ -25,8 +25,10 @@ struct ath_buf; + + #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 @@ struct ath_rx_stats { + 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 +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -679,6 +679,14 @@ void ath9k_tasklet(unsigned long data) + + if ((status & ATH9K_INT_FATAL) || + (status & ATH9K_INT_BB_WATCHDOG)) { ++ enum ath_reset_type type; ++ ++ if (status & ATH9K_INT_FATAL) ++ type = RESET_TYPE_FATAL_INT; ++ else ++ type = RESET_TYPE_BB_WATCHDOG; ++ ++ RESET_STAT_INC(sc, type); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + goto out; + } +@@ -995,8 +1003,10 @@ void ath_hw_check(struct work_struct *wo + ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " + "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); + if (busy >= 99) { +- if (++sc->hw_busy_count >= 3) ++ if (++sc->hw_busy_count >= 3) { ++ RESET_STAT_INC(sc, RESET_TYPE_BB_HANG); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); ++ } + + } else if (busy >= 0) + sc->hw_busy_count = 0; +@@ -1016,6 +1026,7 @@ static void ath_hw_pll_rx_hang_check(str + /* Rx is hung for more than 500ms. Reset it */ + ath_dbg(common, ATH_DBG_RESET, + "Possible RX hang, resetting"); ++ RESET_STAT_INC(sc, RESET_TYPE_PLL_HANG); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + count = 0; + } +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -587,8 +587,10 @@ static void ath_tx_complete_aggr(struct + + rcu_read_unlock(); + +- if (needreset) ++ if (needreset) { ++ RESET_STAT_INC(sc, RESET_TYPE_TX_ERROR); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); ++ } + } + + static bool ath_lookup_legacy(struct ath_buf *bf) +@@ -2270,6 +2272,7 @@ static void ath_tx_complete_poll_work(st + if (needreset) { + ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, + "tx hung, resetting the chip\n"); ++ RESET_STAT_INC(sc, RESET_TYPE_TX_HANG); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + } + +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -523,9 +523,22 @@ static ssize_t read_file_wiphy(struct fi + 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); |