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mac80211: fix mesh issues and improve performance

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fix forwarding received mesh a-msdu packets
add fast xmit support for mesh to improve performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2023-02-15 19:40:02 +01:00
parent 7ae4716243
commit 57db2280a2
6 changed files with 939 additions and 1 deletions
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32
package/kernel/mac80211/patches/subsys/321-mac80211-fix-mesh-forwarding.patch Normal file
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@@ -0,0 +1,32 @@
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
@@ -2847,6 +2847,9 @@ 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));
@@ -2861,7 +2864,7 @@ 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));