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mac80211: minstrel_ht: add a small optimization to minstrel_aggr_check

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Check the queue mapping earlier, skb->queue_mapping is more likely than
skb->data to still be in d-cache.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau
2014-11-16 00:27:55 +01:00
committed by Johannes Berg
parent f815e2b3c0
commit 75769c80e3
1 changed files with 3 additions and 3 deletions
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net/mac80211/rc80211_minstrel_ht.c
+3 -3
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@@ -690,6 +690,9 @@ minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
u16 tid;
if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
return;
if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
return;
@@ -700,9 +703,6 @@ minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
if (likely(sta->ampdu_mlme.tid_tx[tid]))
return;
if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
return;
ieee80211_start_tx_ba_session(pubsta, tid, 5000);
}