diff options
| -rw-r--r-- | package/mac80211/patches/530-ath9k_locking_fix.patch | 268 | ||||
| -rw-r--r-- | package/mac80211/patches/570-ath9k_reset_aggr_fix.patch | 6 |
2 files changed, 200 insertions, 74 deletions
diff --git a/package/mac80211/patches/530-ath9k_locking_fix.patch b/package/mac80211/patches/530-ath9k_locking_fix.patch index fef36ecccd..29303323ab 100644 --- a/package/mac80211/patches/530-ath9k_locking_fix.patch +++ b/package/mac80211/patches/530-ath9k_locking_fix.patch @@ -1,166 +1,267 @@ --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -309,8 +309,8 @@ struct ath_rx { +@@ -309,7 +309,6 @@ struct ath_rx { u8 rxotherant; u32 *rxlink; unsigned int rxfilter; - spinlock_t rxflushlock; spinlock_t rxbuflock; -+ spinlock_t pcu_lock; struct list_head rxbuf; struct ath_descdma rxdma; - struct ath_buf *rx_bufptr; +@@ -600,9 +599,9 @@ struct ath_softc { + struct ath_hw *sc_ah; + void __iomem *mem; + int irq; +- spinlock_t sc_resetlock; + spinlock_t sc_serial_rw; + spinlock_t sc_pm_lock; ++ spinlock_t sc_pcu_lock; + struct mutex mutex; + struct work_struct paprd_work; + struct work_struct hw_check_work; --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -239,6 +239,9 @@ int ath_set_channel(struct ath_softc *sc +@@ -228,6 +228,8 @@ int ath_set_channel(struct ath_softc *sc + + ath9k_ps_wakeup(sc); + ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + /* + * This is only performed if the channel settings have + * actually changed. +@@ -239,6 +241,7 @@ int ath_set_channel(struct ath_softc *sc */ ath9k_hw_disable_interrupts(ah); ath_drain_all_txq(sc, false); + -+ spin_lock_bh(&sc->rx.pcu_lock); -+ stopped = ath_stoprecv(sc); /* XXX: do not flush receive queue here. We don't want -@@ -266,6 +269,7 @@ int ath_set_channel(struct ath_softc *sc +@@ -257,18 +260,14 @@ int ath_set_channel(struct ath_softc *sc + channel->center_freq, conf_is_ht40(conf), + fastcc); + +- spin_lock_bh(&sc->sc_resetlock); +- + r = ath9k_hw_reset(ah, hchan, caldata, fastcc); + if (r) { + ath_print(common, ATH_DBG_FATAL, + "Unable to reset channel (%u MHz), " "reset status %d\n", channel->center_freq, r); - spin_unlock_bh(&sc->sc_resetlock); -+ spin_unlock_bh(&sc->rx.pcu_lock); +- spin_unlock_bh(&sc->sc_resetlock); goto ps_restore; } - spin_unlock_bh(&sc->sc_resetlock); -@@ -274,9 +278,12 @@ int ath_set_channel(struct ath_softc *sc +- spin_unlock_bh(&sc->sc_resetlock); + + if (ath_startrecv(sc) != 0) { ath_print(common, ATH_DBG_FATAL, - "Unable to restart recv logic\n"); - r = -EIO; -+ spin_unlock_bh(&sc->rx.pcu_lock); - goto ps_restore; +@@ -287,6 +286,8 @@ int ath_set_channel(struct ath_softc *sc } -+ spin_unlock_bh(&sc->rx.pcu_lock); + ps_restore: ++ spin_unlock_bh(&sc->sc_pcu_lock); + - ath_update_txpow(sc); - ath9k_hw_set_interrupts(ah, ah->imask); + ath9k_ps_restore(sc); + return r; + } +@@ -600,6 +601,8 @@ void ath9k_tasklet(unsigned long data) + return; + } + ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + if (!ath9k_hw_check_alive(ah)) + ieee80211_queue_work(sc->hw, &sc->hw_check_work); -@@ -610,7 +617,7 @@ void ath9k_tasklet(unsigned long data) +@@ -610,15 +613,12 @@ void ath9k_tasklet(unsigned long data) rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN); if (status & rxmask) { - spin_lock_bh(&sc->rx.rxflushlock); -+ spin_lock_bh(&sc->rx.pcu_lock); - +- /* Check for high priority Rx first */ if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) && -@@ -618,7 +625,7 @@ void ath9k_tasklet(unsigned long data) + (status & ATH9K_INT_RXHP)) ath_rx_tasklet(sc, 0, true); ath_rx_tasklet(sc, 0, false); - spin_unlock_bh(&sc->rx.rxflushlock); -+ spin_unlock_bh(&sc->rx.pcu_lock); } if (status & ATH9K_INT_TX) { -@@ -876,6 +883,7 @@ void ath_radio_enable(struct ath_softc * +@@ -644,6 +644,8 @@ void ath9k_tasklet(unsigned long data) + + /* re-enable hardware interrupt */ + ath9k_hw_enable_interrupts(ah); ++ ++ spin_unlock_bh(&sc->sc_pcu_lock); + ath9k_ps_restore(sc); + } + +@@ -871,12 +873,13 @@ void ath_radio_enable(struct ath_softc * + int r; + + ath9k_ps_wakeup(sc); ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + ath9k_hw_configpcipowersave(ah, 0, 0); + if (!ah->curchan) ah->curchan = ath_get_curchannel(sc, sc->hw); -+ spin_lock_bh(&sc->rx.pcu_lock); - spin_lock_bh(&sc->sc_resetlock); +- spin_lock_bh(&sc->sc_resetlock); r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); if (r) { -@@ -890,8 +898,10 @@ void ath_radio_enable(struct ath_softc * + ath_print(common, ATH_DBG_FATAL, +@@ -884,15 +887,14 @@ void ath_radio_enable(struct ath_softc * + "reset status %d\n", + channel->center_freq, r); + } +- spin_unlock_bh(&sc->sc_resetlock); + + ath_update_txpow(sc); if (ath_startrecv(sc) != 0) { ath_print(common, ATH_DBG_FATAL, "Unable to restart recv logic\n"); -+ spin_unlock_bh(&sc->rx.pcu_lock); ++ spin_unlock_bh(&sc->sc_pcu_lock); return; } -+ spin_unlock_bh(&sc->rx.pcu_lock); - +- if (sc->sc_flags & SC_OP_BEACONS) ath_beacon_config(sc, NULL); /* restart beacons */ -@@ -930,6 +940,9 @@ void ath_radio_disable(struct ath_softc + +@@ -905,6 +907,8 @@ void ath_radio_enable(struct ath_softc * + ath9k_hw_set_gpio(ah, ah->led_pin, 0); + + ieee80211_wake_queues(hw); ++ spin_unlock_bh(&sc->sc_pcu_lock); ++ + ath9k_ps_restore(sc); + } + +@@ -915,6 +919,8 @@ void ath_radio_disable(struct ath_softc + int r; + + ath9k_ps_wakeup(sc); ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + ieee80211_stop_queues(hw); + + /* +@@ -930,13 +936,13 @@ void ath_radio_disable(struct ath_softc ath9k_hw_disable_interrupts(ah); ath_drain_all_txq(sc, false); /* clear pending tx frames */ + -+ spin_lock_bh(&sc->rx.pcu_lock); -+ ath_stoprecv(sc); /* turn off frame recv */ ath_flushrecv(sc); /* flush recv queue */ -@@ -947,6 +960,9 @@ void ath_radio_disable(struct ath_softc - spin_unlock_bh(&sc->sc_resetlock); + if (!ah->curchan) + ah->curchan = ath_get_curchannel(sc, hw); + +- spin_lock_bh(&sc->sc_resetlock); + r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); + if (r) { + ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, +@@ -944,11 +950,14 @@ void ath_radio_disable(struct ath_softc + "reset status %d\n", + channel->center_freq, r); + } +- spin_unlock_bh(&sc->sc_resetlock); ath9k_hw_phy_disable(ah); + -+ spin_unlock_bh(&sc->rx.pcu_lock); -+ ath9k_hw_configpcipowersave(ah, 1, 1); ++ ++ spin_unlock_bh(&sc->sc_pcu_lock); ath9k_ps_restore(sc); ++ ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); -@@ -966,6 +982,9 @@ int ath_reset(struct ath_softc *sc, bool + } + +@@ -962,19 +971,20 @@ int ath_reset(struct ath_softc *sc, bool + /* Stop ANI */ + del_timer_sync(&common->ani.timer); + ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + ieee80211_stop_queues(hw); ath9k_hw_disable_interrupts(ah); ath_drain_all_txq(sc, retry_tx); + -+ spin_lock_bh(&sc->rx.pcu_lock); -+ ath_stoprecv(sc); ath_flushrecv(sc); -@@ -980,6 +999,8 @@ int ath_reset(struct ath_softc *sc, bool +- spin_lock_bh(&sc->sc_resetlock); + r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false); + if (r) ath_print(common, ATH_DBG_FATAL, - "Unable to start recv logic\n"); + "Unable to reset hardware; reset status %d\n", r); +- spin_unlock_bh(&sc->sc_resetlock); -+ spin_unlock_bh(&sc->rx.pcu_lock); -+ - /* - * We may be doing a reset in response to a request - * that changes the channel so update any state that -@@ -1142,6 +1163,7 @@ static int ath9k_start(struct ieee80211_ + if (ath_startrecv(sc) != 0) + ath_print(common, ATH_DBG_FATAL, +@@ -1004,6 +1014,7 @@ int ath_reset(struct ath_softc *sc, bool + } + + ieee80211_wake_queues(hw); ++ spin_unlock_bh(&sc->sc_pcu_lock); + + /* Start ANI */ + ath_start_ani(common); +@@ -1142,17 +1153,16 @@ static int ath9k_start(struct ieee80211_ * be followed by initialization of the appropriate bits * and then setup of the interrupt mask. */ -+ spin_lock_bh(&sc->rx.pcu_lock); - spin_lock_bh(&sc->sc_resetlock); +- spin_lock_bh(&sc->sc_resetlock); ++ spin_lock_bh(&sc->sc_pcu_lock); r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); if (r) { -@@ -1150,6 +1172,7 @@ static int ath9k_start(struct ieee80211_ + ath_print(common, ATH_DBG_FATAL, + "Unable to reset hardware; reset status %d " "(freq %u MHz)\n", r, curchan->center_freq); - spin_unlock_bh(&sc->sc_resetlock); -+ spin_unlock_bh(&sc->rx.pcu_lock); +- spin_unlock_bh(&sc->sc_resetlock); ++ spin_unlock_bh(&sc->sc_pcu_lock); goto mutex_unlock; } - spin_unlock_bh(&sc->sc_resetlock); -@@ -1171,8 +1194,10 @@ static int ath9k_start(struct ieee80211_ +- spin_unlock_bh(&sc->sc_resetlock); + + /* + * This is needed only to setup initial state +@@ -1171,8 +1181,10 @@ static int ath9k_start(struct ieee80211_ ath_print(common, ATH_DBG_FATAL, "Unable to start recv logic\n"); r = -EIO; -+ spin_unlock_bh(&sc->rx.pcu_lock); ++ spin_unlock_bh(&sc->sc_pcu_lock); goto mutex_unlock; } -+ spin_unlock_bh(&sc->rx.pcu_lock); ++ spin_unlock_bh(&sc->sc_pcu_lock); /* Setup our intr mask. */ ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL | -@@ -1371,12 +1396,14 @@ static void ath9k_stop(struct ieee80211_ +@@ -1367,6 +1379,8 @@ static void ath9k_stop(struct ieee80211_ + ath9k_btcoex_timer_pause(sc); + } + ++ spin_lock_bh(&sc->sc_pcu_lock); ++ + /* make sure h/w will not generate any interrupt * before setting the invalid flag. */ ath9k_hw_disable_interrupts(ah); - -+ spin_lock_bh(&sc->rx.pcu_lock); - if (!(sc->sc_flags & SC_OP_INVALID)) { - ath_drain_all_txq(sc, false); - ath_stoprecv(sc); - ath9k_hw_phy_disable(ah); - } else - sc->rx.rxlink = NULL; -+ spin_unlock_bh(&sc->rx.pcu_lock); - +@@ -1381,6 +1395,9 @@ static void ath9k_stop(struct ieee80211_ /* disable HAL and put h/w to sleep */ ath9k_hw_disable(ah); + ath9k_hw_configpcipowersave(ah, 1, 1); ++ ++ spin_unlock_bh(&sc->sc_pcu_lock); ++ + ath9k_ps_restore(sc); + + /* Finally, put the chip in FULL SLEEP mode */ --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -297,19 +297,17 @@ static void ath_edma_start_recv(struct a @@ -185,16 +286,15 @@ } int ath_rx_init(struct ath_softc *sc, int nbufs) -@@ -319,8 +317,8 @@ int ath_rx_init(struct ath_softc *sc, in +@@ -319,7 +317,7 @@ int ath_rx_init(struct ath_softc *sc, in struct ath_buf *bf; int error = 0; - spin_lock_init(&sc->rx.rxflushlock); ++ spin_lock_init(&sc->sc_pcu_lock); sc->sc_flags &= ~SC_OP_RXFLUSH; -+ spin_lock_init(&sc->rx.pcu_lock); spin_lock_init(&sc->rx.rxbuflock); - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { @@ -506,9 +504,9 @@ int ath_startrecv(struct ath_softc *sc) ath9k_hw_rxena(ah); @@ -235,3 +335,29 @@ } static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb) +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -588,7 +588,6 @@ static int ath9k_init_softc(u16 devid, s + spin_lock_init(&common->cc_lock); + + spin_lock_init(&sc->wiphy_lock); +- spin_lock_init(&sc->sc_resetlock); + spin_lock_init(&sc->sc_serial_rw); + spin_lock_init(&sc->sc_pm_lock); + mutex_init(&sc->mutex); +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -1142,13 +1142,11 @@ void ath_drain_all_txq(struct ath_softc + ath_print(common, ATH_DBG_FATAL, + "Failed to stop TX DMA. Resetting hardware!\n"); + +- spin_lock_bh(&sc->sc_resetlock); + r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false); + if (r) + ath_print(common, ATH_DBG_FATAL, + "Unable to reset hardware; reset status %d\n", + r); +- spin_unlock_bh(&sc->sc_resetlock); + } + + for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { diff --git a/package/mac80211/patches/570-ath9k_reset_aggr_fix.patch b/package/mac80211/patches/570-ath9k_reset_aggr_fix.patch index d4b52ed33a..81866d6e83 100644 --- a/package/mac80211/patches/570-ath9k_reset_aggr_fix.patch +++ b/package/mac80211/patches/570-ath9k_reset_aggr_fix.patch @@ -1,6 +1,6 @@ --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -587,7 +587,7 @@ void ath_hw_check(struct work_struct *wo +@@ -581,7 +581,7 @@ void ath_hw_check(struct work_struct *wo msleep(1); } @@ -9,7 +9,7 @@ out: ath9k_ps_restore(sc); -@@ -605,7 +605,7 @@ void ath9k_tasklet(unsigned long data) +@@ -599,7 +599,7 @@ void ath9k_tasklet(unsigned long data) ath9k_ps_wakeup(sc); if (status & ATH9K_INT_FATAL) { @@ -20,7 +20,7 @@ } --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -2163,7 +2163,7 @@ static void ath_tx_complete_poll_work(st +@@ -2161,7 +2161,7 @@ static void ath_tx_complete_poll_work(st ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, "tx hung, resetting the chip\n"); ath9k_ps_wakeup(sc); |