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			34 lines
		
	
	
		
			929 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			929 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Felix Fietkau <nbd@openwrt.org>
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| Date: Sat, 15 Nov 2014 22:13:38 +0100
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| Subject: [PATCH] mac80211: minstrel_ht: add a small optimization to
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|  minstrel_aggr_check
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| 
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| Check the queue mapping earlier, skb->queue_mapping is more likely than
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| skb->data to still be in d-cache.
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| 
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| Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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| ---
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| 
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| --- a/net/mac80211/rc80211_minstrel_ht.c
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| +++ b/net/mac80211/rc80211_minstrel_ht.c
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| @@ -690,6 +690,9 @@ minstrel_aggr_check(struct ieee80211_sta
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|  	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
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|  	u16 tid;
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|  
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| +	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
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| +		return;
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| +
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|  	if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
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|  		return;
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|  
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| @@ -700,9 +703,6 @@ minstrel_aggr_check(struct ieee80211_sta
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|  	if (likely(sta->ampdu_mlme.tid_tx[tid]))
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|  		return;
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|  
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| -	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
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| -		return;
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| -
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|  	ieee80211_start_tx_ba_session(pubsta, tid, 5000);
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|  }
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|  
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