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Commit 94a5b3ac authored by Andrei Otcheretianski's avatar Andrei Otcheretianski Committed by Johannes Berg
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mac80211: Don't wake up from PS for offchannel TX 



Otherwise the offchannel frame might be queued due to
IEEE80211_QUEUE_STOP_REASON_PS and later dropped (in
ieee80211_tx_frags()).  Anyway, it doesn't make much sense to wake up
the device during ROC.

Signed-off-by: default avatarAndrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 8682250b

net/mac80211/tx.c

+4 −0
Original line number Diff line number Diff line
@@ -214,6 +214,7 @@ ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx) 
{

	struct ieee80211_local *local = tx->local;

	struct ieee80211_if_managed *ifmgd;

	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);



	/* driver doesn't support power save */

	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
@@ -242,6 +243,9 @@ ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx) 
	if (tx->sdata->vif.type != NL80211_IFTYPE_STATION)

		return TX_CONTINUE;



	if (unlikely(info->flags & IEEE80211_TX_INTFL_OFFCHAN_TX_OK))

		return TX_CONTINUE;



	ifmgd = &tx->sdata->u.mgd;



	/*