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	Minor cleanup and code reorganization, along with a change to not disable offload anymore when a tkip or sw crypto key is added Signed-off-by: Felix Fietkau <nbd@nbd.name>
		
			
				
	
	
		
			160 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			160 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Felix Fietkau <nbd@nbd.name>
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| Date: Mon, 17 Aug 2020 13:54:19 +0200
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| Subject: [PATCH] mac80211: unify 802.3 (offload) and 802.11 tx status
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|  codepath
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| 
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| Make ieee80211_tx_status_8023 call ieee80211_tx_status_ext, similar to
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| ieee80211_tx_status.
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| 
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| Signed-off-by: Felix Fietkau <nbd@nbd.name>
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| ---
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| 
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| --- a/net/mac80211/status.c
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| +++ b/net/mac80211/status.c
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| @@ -903,7 +903,6 @@ static void __ieee80211_tx_status(struct
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|  	struct ieee80211_bar *bar;
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|  	int shift = 0;
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|  	int tid = IEEE80211_NUM_TIDS;
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| -	u16 tx_time_est;
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|  
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|  	sband = local->hw.wiphy->bands[info->band];
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|  	fc = hdr->frame_control;
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| @@ -996,17 +995,6 @@ static void __ieee80211_tx_status(struct
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|  		    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
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|  			ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
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|  						acked, info->status.tx_time);
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| -
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| -		if ((tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
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| -			/* Do this here to avoid the expensive lookup of the sta
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| -			 * in ieee80211_report_used_skb().
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| -			 */
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| -			ieee80211_sta_update_pending_airtime(local, sta,
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| -							     skb_get_queue_mapping(skb),
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| -							     tx_time_est,
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| -							     true);
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| -			ieee80211_info_set_tx_time_est(info, 0);
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| -		}
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|  	}
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|  
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|  	/* SNMP counters
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| @@ -1102,9 +1090,11 @@ void ieee80211_tx_status_ext(struct ieee
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|  	struct ieee80211_tx_info *info = status->info;
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|  	struct ieee80211_sta *pubsta = status->sta;
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|  	struct ieee80211_supported_band *sband;
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| -	struct sta_info *sta;
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| +	struct sk_buff *skb = status->skb;
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| +	struct sta_info *sta = NULL;
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|  	int rates_idx, retry_count;
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|  	bool acked, noack_success;
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| +	u16 tx_time_est;
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|  
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|  	if (pubsta) {
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|  		sta = container_of(pubsta, struct sta_info, sta);
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| @@ -1156,7 +1146,18 @@ void ieee80211_tx_status_ext(struct ieee
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|  			ieee80211s_update_metric(local, sta, status);
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|  	}
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|  
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| -	if (status->skb)
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| +	if (skb && (tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
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| +		/* Do this here to avoid the expensive lookup of the sta
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| +		 * in ieee80211_report_used_skb().
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| +		 */
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| +		ieee80211_sta_update_pending_airtime(local, sta,
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| +						     skb_get_queue_mapping(skb),
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| +						     tx_time_est,
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| +						     true);
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| +		ieee80211_info_set_tx_time_est(info, 0);
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| +	}
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| +
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| +	if (skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
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|  		return __ieee80211_tx_status(hw, status, rates_idx,
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|  					     retry_count);
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|  
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| @@ -1171,6 +1172,12 @@ void ieee80211_tx_status_ext(struct ieee
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|  	} else {
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|  		I802_DEBUG_INC(local->dot11FailedCount);
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|  	}
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| +
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| +	if (!skb)
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| +		return;
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| +
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| +	ieee80211_report_used_skb(local, skb, false);
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| +	dev_kfree_skb(skb);
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|  }
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|  EXPORT_SYMBOL(ieee80211_tx_status_ext);
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|  
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| @@ -1197,66 +1204,23 @@ void ieee80211_tx_status_8023(struct iee
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|  			      struct ieee80211_vif *vif,
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|  			      struct sk_buff *skb)
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|  {
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| -	struct ieee80211_local *local = hw_to_local(hw);
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|  	struct ieee80211_sub_if_data *sdata;
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| -	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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| +	struct ieee80211_tx_status status = {
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| +		.skb = skb,
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| +		.info = IEEE80211_SKB_CB(skb),
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| +	};
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|  	struct sta_info *sta;
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| -	int retry_count;
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| -	int rates_idx;
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| -	bool acked;
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|  
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|  	sdata = vif_to_sdata(vif);
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|  
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| -	acked = info->flags & IEEE80211_TX_STAT_ACK;
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| -	rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
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| -
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|  	rcu_read_lock();
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|  
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| -	if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
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| -		goto counters_update;
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| -
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| -	if (IS_ERR(sta))
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| -		goto counters_update;
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| -
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| -	if (!acked)
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| -		sta->status_stats.retry_failed++;
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| -
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| -	if (rates_idx != -1)
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| -		sta->tx_stats.last_rate = info->status.rates[rates_idx];
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| -
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| -	sta->status_stats.retry_count += retry_count;
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| -
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| -	if (ieee80211_hw_check(hw, REPORTS_TX_ACK_STATUS)) {
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| -		sta->status_stats.last_ack = jiffies;
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| -		if (info->flags & IEEE80211_TX_STAT_ACK) {
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| -			if (sta->status_stats.lost_packets)
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| -				sta->status_stats.lost_packets = 0;
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| +	if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta))
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| +		status.sta = &sta->sta;
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|  
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| -			sta->status_stats.last_pkt_time = jiffies;
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| -		} else {
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| -			ieee80211_lost_packet(sta, info);
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| -		}
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| -	}
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| +	ieee80211_tx_status_ext(hw, &status);
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|  
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| -counters_update:
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|  	rcu_read_unlock();
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| -	ieee80211_led_tx(local);
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| -
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| -	if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
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| -	    !(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED))
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| -		goto skip_stats_update;
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| -
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| -	I802_DEBUG_INC(local->dot11TransmittedFrameCount);
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| -	if (is_multicast_ether_addr(skb->data))
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| -		I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
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| -	if (retry_count > 0)
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| -		I802_DEBUG_INC(local->dot11RetryCount);
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| -	if (retry_count > 1)
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| -		I802_DEBUG_INC(local->dot11MultipleRetryCount);
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| -
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| -skip_stats_update:
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| -	ieee80211_report_used_skb(local, skb, false);
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| -	dev_kfree_skb(skb);
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|  }
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|  EXPORT_SYMBOL(ieee80211_tx_status_8023);
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|  
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