diff options
Diffstat (limited to 'package/kernel/mac80211/patches/317-ath9k-Check-for-active-GO-in-mgd_prepare_tx.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/317-ath9k-Check-for-active-GO-in-mgd_prepare_tx.patch | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/package/kernel/mac80211/patches/317-ath9k-Check-for-active-GO-in-mgd_prepare_tx.patch b/package/kernel/mac80211/patches/317-ath9k-Check-for-active-GO-in-mgd_prepare_tx.patch deleted file mode 100644 index 6e9aa1f2a7..0000000000 --- a/package/kernel/mac80211/patches/317-ath9k-Check-for-active-GO-in-mgd_prepare_tx.patch +++ /dev/null @@ -1,134 +0,0 @@ -From: Sujith Manoharan <c_manoha@qca.qualcomm.com> -Date: Fri, 17 Oct 2014 07:40:22 +0530 -Subject: [PATCH] ath9k: Check for active GO in mgd_prepare_tx() - -If a GO interface is active when we receive a -mgd_prepare_tx() call, then we need to send -out a new NoA before switching to a new context. - -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 -@@ -385,6 +385,7 @@ struct ath_chanctx_sched { - bool wait_switch; - bool force_noa_update; - bool extend_absence; -+ bool mgd_prepare_tx; - enum ath_chanctx_state state; - u8 beacon_miss; - -@@ -977,6 +978,7 @@ struct ath_softc { - struct ath_chanctx_sched sched; - struct ath_offchannel offchannel; - struct ath_chanctx *next_chan; -+ struct completion go_beacon; - #endif - - unsigned long driver_data; ---- a/drivers/net/wireless/ath/ath9k/channel.c -+++ b/drivers/net/wireless/ath/ath9k/channel.c -@@ -421,6 +421,9 @@ void ath_chanctx_event(struct ath_softc - "Move chanctx state from WAIT_FOR_TIMER to WAIT_FOR_BEACON\n"); - } - -+ if (sc->sched.mgd_prepare_tx) -+ sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON; -+ - /* - * When a context becomes inactive, for example, - * disassociation of a station context, the NoA -@@ -547,6 +550,15 @@ void ath_chanctx_event(struct ath_softc - } - - sc->sched.beacon_pending = false; -+ -+ if (sc->sched.mgd_prepare_tx) { -+ sc->sched.mgd_prepare_tx = false; -+ complete(&sc->go_beacon); -+ ath_dbg(common, CHAN_CTX, -+ "Beacon sent, complete go_beacon\n"); -+ break; -+ } -+ - if (sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON) - break; - -@@ -1263,6 +1275,8 @@ void ath9k_init_channel_context(struct a - (unsigned long)sc); - setup_timer(&sc->sched.timer, ath_chanctx_timer, - (unsigned long)sc); -+ -+ init_completion(&sc->go_beacon); - } - - void ath9k_deinit_channel_context(struct ath_softc *sc) ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -2474,7 +2474,11 @@ static void ath9k_mgd_prepare_tx(struct - struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_vif *avp = (struct ath_vif *) vif->drv_priv; -+ struct ath_beacon_config *cur_conf; -+ struct ath_chanctx *go_ctx; -+ unsigned long timeout; - bool changed = false; -+ u32 beacon_int; - - if (!test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags)) - return; -@@ -2485,19 +2489,46 @@ static void ath9k_mgd_prepare_tx(struct - mutex_lock(&sc->mutex); - - spin_lock_bh(&sc->chan_lock); -- if (sc->next_chan || (sc->cur_chan != avp->chanctx)) { -- sc->next_chan = avp->chanctx; -+ if (sc->next_chan || (sc->cur_chan != avp->chanctx)) - changed = true; -+ spin_unlock_bh(&sc->chan_lock); -+ -+ if (!changed) -+ goto out; -+ -+ go_ctx = ath_is_go_chanctx_present(sc); -+ -+ if (go_ctx) { -+ /* -+ * Wait till the GO interface gets a chance -+ * to send out an NoA. -+ */ -+ spin_lock_bh(&sc->chan_lock); -+ sc->sched.mgd_prepare_tx = true; -+ cur_conf = &go_ctx->beacon; -+ beacon_int = TU_TO_USEC(cur_conf->beacon_interval); -+ spin_unlock_bh(&sc->chan_lock); -+ -+ timeout = usecs_to_jiffies(beacon_int); -+ init_completion(&sc->go_beacon); -+ -+ if (wait_for_completion_timeout(&sc->go_beacon, -+ timeout) == 0) -+ ath_dbg(common, CHAN_CTX, -+ "Failed to send new NoA\n"); - } -+ - ath_dbg(common, CHAN_CTX, -- "%s: Set chanctx state to FORCE_ACTIVE, changed: %d\n", -- __func__, changed); -+ "%s: Set chanctx state to FORCE_ACTIVE for vif: %pM\n", -+ __func__, vif->addr); -+ -+ spin_lock_bh(&sc->chan_lock); -+ sc->next_chan = avp->chanctx; - sc->sched.state = ATH_CHANCTX_STATE_FORCE_ACTIVE; - spin_unlock_bh(&sc->chan_lock); - -- if (changed) -- ath_chanctx_set_next(sc, true); -- -+ ath_chanctx_set_next(sc, true); -+out: - mutex_unlock(&sc->mutex); - } - |