summaryrefslogtreecommitdiff
path: root/net/mac80211/sta_info.c
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2018-08-31 11:31:08 +0300
committerJohannes Berg <johannes.berg@intel.com>2018-09-05 11:03:13 +0300
commitadf8ed01e4fdd254efead978d633718ab01a7d5c (patch)
tree52d3daf8a8b99db1d72cbe0fcf1efb8e4c770c8b /net/mac80211/sta_info.c
parent331aead5203f5979212e798682ff9157c939ceba (diff)
downloadlinux-adf8ed01e4fdd254efead978d633718ab01a7d5c.tar.xz
mac80211: add an optional TXQ for other PS-buffered frames
Some drivers may want to also use the TXQ abstraction with non-data packets that need powersave buffering, so add a hardware flag to allow this. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
-rw-r--r--net/mac80211/sta_info.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a231d623b2d2..fb8c2252ac0e 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -113,7 +113,12 @@ static void __cleanup_single_sta(struct sta_info *sta)
if (sta->sta.txq[0]) {
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
- struct txq_info *txqi = to_txq_info(sta->sta.txq[i]);
+ struct txq_info *txqi;
+
+ if (!sta->sta.txq[i])
+ continue;
+
+ txqi = to_txq_info(sta->sta.txq[i]);
spin_lock_bh(&fq->lock);
ieee80211_txq_purge(local, txqi);
@@ -374,6 +379,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
struct txq_info *txq = txq_data + i * size;
+ /* might not do anything for the bufferable MMPDU TXQ */
ieee80211_txq_init(sdata, sta, txq, i);
}
}
@@ -1239,13 +1245,11 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
- if (sta->sta.txq[0]) {
- for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
- if (!txq_has_queue(sta->sta.txq[i]))
- continue;
+ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
+ if (!sta->sta.txq[i] || !txq_has_queue(sta->sta.txq[i]))
+ continue;
- drv_wake_tx_queue(local, to_txq_info(sta->sta.txq[i]));
- }
+ drv_wake_tx_queue(local, to_txq_info(sta->sta.txq[i]));
}
skb_queue_head_init(&pending);
@@ -1683,7 +1687,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
return;
for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
- if (!(driver_release_tids & BIT(tid)) ||
+ if (!sta->sta.txq[tid] ||
+ !(driver_release_tids & BIT(tid)) ||
txq_has_queue(sta->sta.txq[tid]))
continue;