mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-20 04:30:36 +02:00
a677ddc38d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28151 3c298f89-4303-0410-b956-a3cf2f4a3e73
299 lines
8.3 KiB
Diff
299 lines
8.3 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
|
|
@@ -429,6 +429,7 @@ void ath9k_set_beaconing_status(struct a
|
|
|
|
#define ATH_PAPRD_TIMEOUT 100 /* msecs */
|
|
|
|
+void ath_reset_work(struct work_struct *work);
|
|
void ath_hw_check(struct work_struct *work);
|
|
void ath_hw_pll_work(struct work_struct *work);
|
|
void ath_paprd_calibrate(struct work_struct *work);
|
|
@@ -609,6 +610,7 @@ struct ath_softc {
|
|
struct mutex mutex;
|
|
struct work_struct paprd_work;
|
|
struct work_struct hw_check_work;
|
|
+ struct work_struct hw_reset_work;
|
|
struct completion paprd_complete;
|
|
|
|
unsigned int hw_busy_count;
|
|
@@ -655,7 +657,6 @@ struct ath_softc {
|
|
};
|
|
|
|
void ath9k_tasklet(unsigned long data);
|
|
-int ath_reset(struct ath_softc *sc, bool retry_tx);
|
|
int ath_cabq_update(struct ath_softc *);
|
|
|
|
static inline void ath_read_cachesize(struct ath_common *common, int *csz)
|
|
--- a/drivers/net/wireless/ath/ath9k/beacon.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
|
|
@@ -386,9 +386,7 @@ void ath_beacon_tasklet(unsigned long da
|
|
ath_dbg(common, ATH_DBG_BSTUCK,
|
|
"beacon is officially stuck\n");
|
|
sc->sc_flags |= SC_OP_TSF_RESET;
|
|
- spin_lock(&sc->sc_pcu_lock);
|
|
- ath_reset(sc, true);
|
|
- spin_unlock(&sc->sc_pcu_lock);
|
|
+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
|
|
}
|
|
|
|
return;
|
|
--- a/drivers/net/wireless/ath/ath9k/init.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/init.c
|
|
@@ -776,6 +776,7 @@ int ath9k_init_device(u16 devid, struct
|
|
goto error_world;
|
|
}
|
|
|
|
+ INIT_WORK(&sc->hw_reset_work, ath_reset_work);
|
|
INIT_WORK(&sc->hw_check_work, ath_hw_check);
|
|
INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
|
|
INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
|
|
--- a/drivers/net/wireless/ath/ath9k/main.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/main.c
|
|
@@ -236,6 +236,7 @@ static int ath_set_channel(struct ath_so
|
|
del_timer_sync(&common->ani.timer);
|
|
cancel_work_sync(&sc->paprd_work);
|
|
cancel_work_sync(&sc->hw_check_work);
|
|
+ cancel_work_sync(&sc->hw_reset_work);
|
|
cancel_delayed_work_sync(&sc->tx_complete_work);
|
|
cancel_delayed_work_sync(&sc->hw_pll_work);
|
|
|
|
@@ -595,74 +596,6 @@ static void ath_node_detach(struct ath_s
|
|
ath_tx_node_cleanup(sc, an);
|
|
}
|
|
|
|
-void ath_hw_check(struct work_struct *work)
|
|
-{
|
|
- struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
|
|
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
- unsigned long flags;
|
|
- int busy;
|
|
-
|
|
- ath9k_ps_wakeup(sc);
|
|
- if (ath9k_hw_check_alive(sc->sc_ah))
|
|
- goto out;
|
|
-
|
|
- spin_lock_irqsave(&common->cc_lock, flags);
|
|
- busy = ath_update_survey_stats(sc);
|
|
- spin_unlock_irqrestore(&common->cc_lock, flags);
|
|
-
|
|
- 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) {
|
|
- spin_lock_bh(&sc->sc_pcu_lock);
|
|
- ath_reset(sc, true);
|
|
- spin_unlock_bh(&sc->sc_pcu_lock);
|
|
- }
|
|
- } else if (busy >= 0)
|
|
- sc->hw_busy_count = 0;
|
|
-
|
|
-out:
|
|
- ath9k_ps_restore(sc);
|
|
-}
|
|
-
|
|
-static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum)
|
|
-{
|
|
- static int count;
|
|
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
-
|
|
- if (pll_sqsum >= 0x40000) {
|
|
- count++;
|
|
- if (count == 3) {
|
|
- /* Rx is hung for more than 500ms. Reset it */
|
|
- ath_dbg(common, ATH_DBG_RESET,
|
|
- "Possible RX hang, resetting");
|
|
- spin_lock_bh(&sc->sc_pcu_lock);
|
|
- ath_reset(sc, true);
|
|
- spin_unlock_bh(&sc->sc_pcu_lock);
|
|
- count = 0;
|
|
- }
|
|
- } else
|
|
- count = 0;
|
|
-}
|
|
-
|
|
-void ath_hw_pll_work(struct work_struct *work)
|
|
-{
|
|
- struct ath_softc *sc = container_of(work, struct ath_softc,
|
|
- hw_pll_work.work);
|
|
- u32 pll_sqsum;
|
|
-
|
|
- if (AR_SREV_9485(sc->sc_ah)) {
|
|
-
|
|
- ath9k_ps_wakeup(sc);
|
|
- pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);
|
|
- ath9k_ps_restore(sc);
|
|
-
|
|
- ath_hw_pll_rx_hang_check(sc, pll_sqsum);
|
|
-
|
|
- ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5);
|
|
- }
|
|
-}
|
|
-
|
|
|
|
void ath9k_tasklet(unsigned long data)
|
|
{
|
|
@@ -675,9 +608,7 @@ void ath9k_tasklet(unsigned long data)
|
|
|
|
if ((status & ATH9K_INT_FATAL) ||
|
|
(status & ATH9K_INT_BB_WATCHDOG)) {
|
|
- spin_lock(&sc->sc_pcu_lock);
|
|
- ath_reset(sc, true);
|
|
- spin_unlock(&sc->sc_pcu_lock);
|
|
+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
|
|
return;
|
|
}
|
|
|
|
@@ -968,7 +899,7 @@ void ath_radio_disable(struct ath_softc
|
|
ath9k_ps_restore(sc);
|
|
}
|
|
|
|
-int ath_reset(struct ath_softc *sc, bool retry_tx)
|
|
+static int ath_reset(struct ath_softc *sc, bool retry_tx)
|
|
{
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool
|
|
return r;
|
|
}
|
|
|
|
+void ath_reset_work(struct work_struct *work)
|
|
+{
|
|
+ struct ath_softc *sc = container_of(work, struct ath_softc, hw_reset_work);
|
|
+
|
|
+ spin_lock_bh(&sc->sc_pcu_lock);
|
|
+ ath_reset(sc, true);
|
|
+ spin_unlock_bh(&sc->sc_pcu_lock);
|
|
+}
|
|
+
|
|
+void ath_hw_check(struct work_struct *work)
|
|
+{
|
|
+ struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ unsigned long flags;
|
|
+ int busy;
|
|
+
|
|
+ ath9k_ps_wakeup(sc);
|
|
+ if (ath9k_hw_check_alive(sc->sc_ah))
|
|
+ goto out;
|
|
+
|
|
+ spin_lock_irqsave(&common->cc_lock, flags);
|
|
+ busy = ath_update_survey_stats(sc);
|
|
+ spin_unlock_irqrestore(&common->cc_lock, flags);
|
|
+
|
|
+ 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) {
|
|
+ spin_lock_bh(&sc->sc_pcu_lock);
|
|
+ ath_reset(sc, true);
|
|
+ spin_unlock_bh(&sc->sc_pcu_lock);
|
|
+ }
|
|
+
|
|
+ } else if (busy >= 0)
|
|
+ sc->hw_busy_count = 0;
|
|
+
|
|
+out:
|
|
+ ath9k_ps_restore(sc);
|
|
+}
|
|
+
|
|
+static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum)
|
|
+{
|
|
+ static int count;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+
|
|
+ if (pll_sqsum >= 0x40000) {
|
|
+ count++;
|
|
+ if (count == 3) {
|
|
+ /* Rx is hung for more than 500ms. Reset it */
|
|
+ ath_dbg(common, ATH_DBG_RESET,
|
|
+ "Possible RX hang, resetting");
|
|
+ spin_lock_bh(&sc->sc_pcu_lock);
|
|
+ ath_reset(sc, true);
|
|
+ spin_unlock_bh(&sc->sc_pcu_lock);
|
|
+ count = 0;
|
|
+ }
|
|
+ } else
|
|
+ count = 0;
|
|
+}
|
|
+
|
|
+void ath_hw_pll_work(struct work_struct *work)
|
|
+{
|
|
+ struct ath_softc *sc = container_of(work, struct ath_softc,
|
|
+ hw_pll_work.work);
|
|
+ u32 pll_sqsum;
|
|
+
|
|
+ if (AR_SREV_9485(sc->sc_ah)) {
|
|
+
|
|
+ ath9k_ps_wakeup(sc);
|
|
+ pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);
|
|
+ ath9k_ps_restore(sc);
|
|
+
|
|
+ ath_hw_pll_rx_hang_check(sc, pll_sqsum);
|
|
+
|
|
+ ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5);
|
|
+ }
|
|
+}
|
|
+
|
|
/**********************/
|
|
/* mac80211 callbacks */
|
|
/**********************/
|
|
@@ -1227,6 +1236,7 @@ static void ath9k_stop(struct ieee80211_
|
|
cancel_delayed_work_sync(&sc->hw_pll_work);
|
|
cancel_work_sync(&sc->paprd_work);
|
|
cancel_work_sync(&sc->hw_check_work);
|
|
+ cancel_work_sync(&sc->hw_reset_work);
|
|
|
|
if (sc->sc_flags & SC_OP_INVALID) {
|
|
ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
|
|
--- a/drivers/net/wireless/ath/ath9k/xmit.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
|
|
@@ -604,7 +604,7 @@ static void ath_tx_complete_aggr(struct
|
|
rcu_read_unlock();
|
|
|
|
if (needreset)
|
|
- ath_reset(sc, false);
|
|
+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
|
|
}
|
|
|
|
static bool ath_lookup_legacy(struct ath_buf *bf)
|
|
@@ -1357,7 +1357,7 @@ void ath_txq_schedule(struct ath_softc *
|
|
struct ath_atx_ac *ac, *ac_tmp, *last_ac;
|
|
struct ath_atx_tid *tid, *last_tid;
|
|
|
|
- if (list_empty(&txq->axq_acq) ||
|
|
+ if (work_pending(&sc->hw_reset_work) || list_empty(&txq->axq_acq) ||
|
|
txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
|
|
return;
|
|
|
|
@@ -2184,6 +2184,9 @@ static void ath_tx_processq(struct ath_s
|
|
|
|
spin_lock_bh(&txq->axq_lock);
|
|
for (;;) {
|
|
+ if (work_pending(&sc->hw_reset_work))
|
|
+ break;
|
|
+
|
|
if (list_empty(&txq->axq_q)) {
|
|
txq->axq_link = NULL;
|
|
if (sc->sc_flags & SC_OP_TXAGGR)
|
|
@@ -2271,9 +2274,7 @@ 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");
|
|
- spin_lock_bh(&sc->sc_pcu_lock);
|
|
- ath_reset(sc, true);
|
|
- spin_unlock_bh(&sc->sc_pcu_lock);
|
|
+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
|
|
}
|
|
|
|
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
|
|
@@ -2306,6 +2307,9 @@ void ath_tx_edma_tasklet(struct ath_soft
|
|
int status;
|
|
|
|
for (;;) {
|
|
+ if (work_pending(&sc->hw_reset_work))
|
|
+ break;
|
|
+
|
|
status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
|
|
if (status == -EINPROGRESS)
|
|
break;
|