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- From: Felix Fietkau <nbd@openwrt.org>
- Date: Sat, 15 Nov 2014 22:13:38 +0100
- Subject: [PATCH] mac80211: minstrel_ht: add a small optimization to
- minstrel_aggr_check
- 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>
- ---
- --- a/net/mac80211/rc80211_minstrel_ht.c
- +++ b/net/mac80211/rc80211_minstrel_ht.c
- @@ -690,6 +690,9 @@ minstrel_aggr_check(struct ieee80211_sta
- 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
- 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);
- }
-
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