diff options
-rw-r--r-- | net/mac80211/tx.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index bb05a0f86034..c592a413bad9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c | |||
@@ -1231,34 +1231,40 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local, | |||
1231 | if (local->queue_stop_reasons[q] || | 1231 | if (local->queue_stop_reasons[q] || |
1232 | (!txpending && !skb_queue_empty(&local->pending[q]))) { | 1232 | (!txpending && !skb_queue_empty(&local->pending[q]))) { |
1233 | if (unlikely(info->flags & | 1233 | if (unlikely(info->flags & |
1234 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK && | 1234 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK)) { |
1235 | local->queue_stop_reasons[q] & | 1235 | if (local->queue_stop_reasons[q] & |
1236 | ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) { | 1236 | ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL)) { |
1237 | /* | ||
1238 | * Drop off-channel frames if queues | ||
1239 | * are stopped for any reason other | ||
1240 | * than off-channel operation. Never | ||
1241 | * queue them. | ||
1242 | */ | ||
1243 | spin_unlock_irqrestore( | ||
1244 | &local->queue_stop_reason_lock, | ||
1245 | flags); | ||
1246 | ieee80211_purge_tx_queue(&local->hw, | ||
1247 | skbs); | ||
1248 | return true; | ||
1249 | } | ||
1250 | } else { | ||
1251 | |||
1237 | /* | 1252 | /* |
1238 | * Drop off-channel frames if queues are stopped | 1253 | * Since queue is stopped, queue up frames for |
1239 | * for any reason other than off-channel | 1254 | * later transmission from the tx-pending |
1240 | * operation. Never queue them. | 1255 | * tasklet when the queue is woken again. |
1241 | */ | 1256 | */ |
1242 | spin_unlock_irqrestore( | 1257 | if (txpending) |
1243 | &local->queue_stop_reason_lock, flags); | 1258 | skb_queue_splice_init(skbs, |
1244 | ieee80211_purge_tx_queue(&local->hw, skbs); | 1259 | &local->pending[q]); |
1245 | return true; | 1260 | else |
1261 | skb_queue_splice_tail_init(skbs, | ||
1262 | &local->pending[q]); | ||
1263 | |||
1264 | spin_unlock_irqrestore(&local->queue_stop_reason_lock, | ||
1265 | flags); | ||
1266 | return false; | ||
1246 | } | 1267 | } |
1247 | |||
1248 | /* | ||
1249 | * Since queue is stopped, queue up frames for later | ||
1250 | * transmission from the tx-pending tasklet when the | ||
1251 | * queue is woken again. | ||
1252 | */ | ||
1253 | if (txpending) | ||
1254 | skb_queue_splice_init(skbs, &local->pending[q]); | ||
1255 | else | ||
1256 | skb_queue_splice_tail_init(skbs, | ||
1257 | &local->pending[q]); | ||
1258 | |||
1259 | spin_unlock_irqrestore(&local->queue_stop_reason_lock, | ||
1260 | flags); | ||
1261 | return false; | ||
1262 | } | 1268 | } |
1263 | spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); | 1269 | spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); |
1264 | 1270 | ||