diff options
Diffstat (limited to 'package/kernel/mac80211/patches/310-ath9k-Use-configurable-timeout-for-flush.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/310-ath9k-Use-configurable-timeout-for-flush.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/310-ath9k-Use-configurable-timeout-for-flush.patch b/package/kernel/mac80211/patches/310-ath9k-Use-configurable-timeout-for-flush.patch new file mode 100644 index 0000000000..3a2c41be19 --- /dev/null +++ b/package/kernel/mac80211/patches/310-ath9k-Use-configurable-timeout-for-flush.patch @@ -0,0 +1,57 @@ +From: Sujith Manoharan <c_manoha@qca.qualcomm.com> +Date: Fri, 17 Oct 2014 07:40:15 +0530 +Subject: [PATCH] ath9k: Use configurable timeout for flush + +The timeout value for flushing the TX queues +is hardcoded at 200ms right now. Use a channel +context-specific value instead to allow adjustments +to the timeout in case MCC is enabled. + +Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> +--- + +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -345,6 +345,7 @@ struct ath_chanctx { + u64 tsf_val; + u32 last_beacon; + ++ int flush_timeout; + u16 txpower; + bool offchannel; + bool stopped; +--- a/drivers/net/wireless/ath/ath9k/channel.c ++++ b/drivers/net/wireless/ath/ath9k/channel.c +@@ -117,6 +117,7 @@ void ath_chanctx_init(struct ath_softc * + cfg80211_chandef_create(&ctx->chandef, chan, NL80211_CHAN_HT20); + INIT_LIST_HEAD(&ctx->vifs); + ctx->txpower = ATH_TXPOWER_MAX; ++ ctx->flush_timeout = HZ / 5; /* 200ms */ + for (j = 0; j < ARRAY_SIZE(ctx->acq); j++) + INIT_LIST_HEAD(&ctx->acq[j]); + } +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -2034,7 +2034,7 @@ void __ath9k_flush(struct ieee80211_hw * + struct ath_softc *sc = hw->priv; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); +- int timeout = HZ / 5; /* 200 ms */ ++ int timeout; + bool drain_txq; + + cancel_delayed_work_sync(&sc->tx_complete_work); +@@ -2049,6 +2049,13 @@ void __ath9k_flush(struct ieee80211_hw * + return; + } + ++ spin_lock_bh(&sc->chan_lock); ++ timeout = sc->cur_chan->flush_timeout; ++ spin_unlock_bh(&sc->chan_lock); ++ ++ ath_dbg(common, CHAN_CTX, ++ "Flush timeout: %d\n", jiffies_to_msecs(timeout)); ++ + if (wait_event_timeout(sc->tx_wait, !ath9k_has_tx_pending(sc), + timeout) > 0) + drop = false; |