mirror of
				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-10-30 21:44:27 -04:00 
			
		
		
		
	Refactor in order to make use of generic fast xmit functions Fix issues with mesh SA/DA addressing Signed-off-by: Felix Fietkau <nbd@nbd.name>
		
			
				
	
	
		
			33 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Felix Fietkau <nbd@nbd.name>
 | |
| Date: Mon, 20 Feb 2023 12:50:50 +0100
 | |
| Subject: [PATCH] mac80211: fix mesh forwarding
 | |
| 
 | |
| Linearize packets (needed for forwarding A-MSDU subframes).
 | |
| Fix network header offset to fix flow dissector (and fair queueing).
 | |
| 
 | |
| Fixes: 986e43b19ae9 ("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces")
 | |
| Signed-off-by: Felix Fietkau <nbd@nbd.name>
 | |
| ---
 | |
| 
 | |
| --- a/net/mac80211/rx.c
 | |
| +++ b/net/mac80211/rx.c
 | |
| @@ -2904,6 +2904,9 @@ ieee80211_rx_mesh_data(struct ieee80211_
 | |
|  
 | |
|  		if (skb_cow_head(fwd_skb, hdrlen - sizeof(struct ethhdr)))
 | |
|  			return RX_DROP_UNUSABLE;
 | |
| +
 | |
| +		if (skb_linearize(fwd_skb))
 | |
| +			return RX_DROP_UNUSABLE;
 | |
|  	}
 | |
|  
 | |
|  	fwd_hdr = skb_push(fwd_skb, hdrlen - sizeof(struct ethhdr));
 | |
| @@ -2918,7 +2921,7 @@ ieee80211_rx_mesh_data(struct ieee80211_
 | |
|  		hdrlen += ETH_ALEN;
 | |
|  	else
 | |
|  		fwd_skb->protocol = htons(fwd_skb->len - hdrlen);
 | |
| -	skb_set_network_header(fwd_skb, hdrlen);
 | |
| +	skb_set_network_header(fwd_skb, hdrlen + 2);
 | |
|  
 | |
|  	info = IEEE80211_SKB_CB(fwd_skb);
 | |
|  	memset(info, 0, sizeof(*info));
 |