diff options
Diffstat (limited to 'package/kernel/mac80211/patches/354-ath9k-rename-tx_complete_work-to-hw_check_work.patch')
-rw-r--r-- | package/kernel/mac80211/patches/354-ath9k-rename-tx_complete_work-to-hw_check_work.patch | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/354-ath9k-rename-tx_complete_work-to-hw_check_work.patch b/package/kernel/mac80211/patches/354-ath9k-rename-tx_complete_work-to-hw_check_work.patch new file mode 100644 index 0000000000..31a0277e1c --- /dev/null +++ b/package/kernel/mac80211/patches/354-ath9k-rename-tx_complete_work-to-hw_check_work.patch @@ -0,0 +1,175 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Wed, 25 Jan 2017 12:57:05 +0100 +Subject: [PATCH] ath9k: rename tx_complete_work to hw_check_work + +Also include common MAC alive check. This should make the hang checks +more reliable for modes where beacons are not sent and is used as a +starting point for further hang check improvements + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -108,7 +108,7 @@ int ath_descdma_setup(struct ath_softc * + #define ATH_AGGR_MIN_QDEPTH 2 + /* minimum h/w qdepth for non-aggregated traffic */ + #define ATH_NON_AGGR_MIN_QDEPTH 8 +-#define ATH_TX_COMPLETE_POLL_INT 1000 ++#define ATH_HW_CHECK_POLL_INT 1000 + #define ATH_TXFIFO_DEPTH 8 + #define ATH_TX_ERROR 0x01 + +@@ -745,7 +745,7 @@ void ath9k_csa_update(struct ath_softc * + #define ATH_PAPRD_TIMEOUT 100 /* msecs */ + #define ATH_PLL_WORK_INTERVAL 100 + +-void ath_tx_complete_poll_work(struct work_struct *work); ++void ath_hw_check_work(struct work_struct *work); + void ath_reset_work(struct work_struct *work); + bool ath_hw_check(struct ath_softc *sc); + void ath_hw_pll_work(struct work_struct *work); +@@ -1053,7 +1053,7 @@ struct ath_softc { + #ifdef CPTCFG_ATH9K_DEBUGFS + struct ath9k_debug debug; + #endif +- struct delayed_work tx_complete_work; ++ struct delayed_work hw_check_work; + struct delayed_work hw_pll_work; + struct timer_list sleep_timer; + +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -681,6 +681,7 @@ static int ath9k_init_softc(u16 devid, s + INIT_WORK(&sc->hw_reset_work, ath_reset_work); + INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); + INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); ++ INIT_DELAYED_WORK(&sc->hw_check_work, ath_hw_check_work); + + ath9k_init_channel_context(sc); + +--- a/drivers/net/wireless/ath/ath9k/link.c ++++ b/drivers/net/wireless/ath/ath9k/link.c +@@ -20,20 +20,13 @@ + * TX polling - checks if the TX engine is stuck somewhere + * and issues a chip reset if so. + */ +-void ath_tx_complete_poll_work(struct work_struct *work) ++static bool ath_tx_complete_check(struct ath_softc *sc) + { +- struct ath_softc *sc = container_of(work, struct ath_softc, +- tx_complete_work.work); + struct ath_txq *txq; + int i; +- bool needreset = false; +- + +- if (sc->tx99_state) { +- ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, +- "skip tx hung detection on tx99\n"); +- return; +- } ++ if (sc->tx99_state) ++ return true; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + txq = sc->tx.txq_map[i]; +@@ -41,25 +34,36 @@ void ath_tx_complete_poll_work(struct wo + ath_txq_lock(sc, txq); + if (txq->axq_depth) { + if (txq->axq_tx_inprogress) { +- needreset = true; + ath_txq_unlock(sc, txq); +- break; +- } else { +- txq->axq_tx_inprogress = true; ++ goto reset; + } ++ ++ txq->axq_tx_inprogress = true; + } + ath_txq_unlock(sc, txq); + } + +- if (needreset) { +- ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, +- "tx hung, resetting the chip\n"); +- ath9k_queue_reset(sc, RESET_TYPE_TX_HANG); ++ return true; ++ ++reset: ++ ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, ++ "tx hung, resetting the chip\n"); ++ ath9k_queue_reset(sc, RESET_TYPE_TX_HANG); ++ return false; ++ ++} ++ ++void ath_hw_check_work(struct work_struct *work) ++{ ++ struct ath_softc *sc = container_of(work, struct ath_softc, ++ hw_check_work.work); ++ ++ if (!ath_hw_check(sc) || ++ !ath_tx_complete_check(sc)) + return; +- } + +- ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, +- msecs_to_jiffies(ATH_TX_COMPLETE_POLL_INT)); ++ ieee80211_queue_delayed_work(sc->hw, &sc->hw_check_work, ++ msecs_to_jiffies(ATH_HW_CHECK_POLL_INT)); + } + + /* +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -181,7 +181,7 @@ void ath9k_ps_restore(struct ath_softc * + static void __ath_cancel_work(struct ath_softc *sc) + { + cancel_work_sync(&sc->paprd_work); +- cancel_delayed_work_sync(&sc->tx_complete_work); ++ cancel_delayed_work_sync(&sc->hw_check_work); + cancel_delayed_work_sync(&sc->hw_pll_work); + + #ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT +@@ -198,7 +198,8 @@ void ath_cancel_work(struct ath_softc *s + + void ath_restart_work(struct ath_softc *sc) + { +- ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); ++ ieee80211_queue_delayed_work(sc->hw, &sc->hw_check_work, ++ ATH_HW_CHECK_POLL_INT); + + if (AR_SREV_9340(sc->sc_ah) || AR_SREV_9330(sc->sc_ah)) + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, +@@ -2091,7 +2092,7 @@ void __ath9k_flush(struct ieee80211_hw * + int timeout; + bool drain_txq; + +- cancel_delayed_work_sync(&sc->tx_complete_work); ++ cancel_delayed_work_sync(&sc->hw_check_work); + + if (ah->ah_flags & AH_UNPLUGGED) { + ath_dbg(common, ANY, "Device has been unplugged!\n"); +@@ -2129,7 +2130,8 @@ void __ath9k_flush(struct ieee80211_hw * + ath9k_ps_restore(sc); + } + +- ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0); ++ ieee80211_queue_delayed_work(hw, &sc->hw_check_work, ++ ATH_HW_CHECK_POLL_INT); + } + + static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw) +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -2915,8 +2915,6 @@ int ath_tx_init(struct ath_softc *sc, in + return error; + } + +- INIT_DELAYED_WORK(&sc->tx_complete_work, ath_tx_complete_poll_work); +- + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) + error = ath_tx_edma_init(sc); + |