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authorAndrei Otcheretianski <andrei.otcheretianski@intel.com>2018-09-05 08:06:14 +0300
committerJohannes Berg <johannes.berg@intel.com>2018-09-05 11:05:02 +0300
commit94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4 (patch)
treee7750210ae01293a028329728faa425d2c555d90 /net/mac80211
parent8682250b3c1b75a45feb7452bc413d004cfe3778 (diff)
downloadlinux-94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4.tar.xz
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: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/tx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f353d9db54bc..131542513c8f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -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;
/*