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| author | Andrei Otcheretianski <andrei.otcheretianski@intel.com> | 2018-09-05 08:06:14 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-09-05 10:05:02 +0200 |
| commit | 94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4 (patch) | |
| tree | e7750210ae01293a028329728faa425d2c555d90 /net/mac80211 | |
| parent | 8682250b3c1b75a45feb7452bc413d004cfe3778 (diff) | |
| download | linux-94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4.tar.gz linux-94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4.tar.bz2 linux-94a5b3acd0aef83c0e38b5117eda7b2abf4a05a4.zip | |
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.c | 4 |
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; /* |