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path: root/drivers/net/wireless/ath/carl9170/tx.c
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Diffstat (limited to 'drivers/net/wireless/ath/carl9170/tx.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/tx.c37
1 files changed, 2 insertions, 35 deletions
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index e0d2374e0c77..e6be5e6c1723 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -1042,41 +1042,8 @@ retry:
1042 queue = TID_TO_WME_AC(tid_info->tid); 1042 queue = TID_TO_WME_AC(tid_info->tid);
1043 1043
1044 spin_lock_bh(&tid_info->lock); 1044 spin_lock_bh(&tid_info->lock);
1045 if (tid_info->state != CARL9170_TID_STATE_XMIT) { 1045 if (tid_info->state != CARL9170_TID_STATE_XMIT)
1046 first = skb_peek(&tid_info->queue); 1046 goto processed;
1047 if (first) {
1048 struct ieee80211_tx_info *txinfo;
1049 struct carl9170_tx_info *arinfo;
1050
1051 txinfo = IEEE80211_SKB_CB(first);
1052 arinfo = (void *) txinfo->rate_driver_data;
1053
1054 if (time_is_after_jiffies(arinfo->timeout +
1055 msecs_to_jiffies(CARL9170_QUEUE_TIMEOUT))
1056 == true)
1057 goto processed;
1058
1059 /*
1060 * We've been waiting for the frame which
1061 * matches "snx" (start sequence of the
1062 * next aggregate) for some time now.
1063 *
1064 * But it never arrived. Therefore
1065 * jump to the next available frame
1066 * and kick-start the transmission.
1067 *
1068 * Note: This might induce odd latency
1069 * spikes because the receiver will be
1070 * waiting for the lost frame too.
1071 */
1072 ar->tx_ampdu_timeout++;
1073
1074 tid_info->snx = carl9170_get_seq(first);
1075 tid_info->state = CARL9170_TID_STATE_XMIT;
1076 } else {
1077 goto processed;
1078 }
1079 }
1080 1047
1081 tid_info->counter++; 1048 tid_info->counter++;
1082 first = skb_peek(&tid_info->queue); 1049 first = skb_peek(&tid_info->queue);