Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-28 22:02:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

mac80211: Don't wake up from PS for offchannel TX

Browse Source 
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>
This commit is contained in:
Andrei Otcheretianski 2018-09-05 08:06:14 +03:00 committed by Johannes Berg
parent 8682250b3c
commit 94a5b3acd0
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac80211/tx.c
View File

@ -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;
/*