From 8f7be2a2ba79987bd150f5f4e266daf96fd94e32 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 11 Jul 2023 14:38:06 +0200 Subject: [PATCH] mac80211: add fix for receiving STP frames on mesh Fix length in ethernet header Signed-off-by: Felix Fietkau --- ...x-receving-mesh-packets-without-RFC1.patch | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 package/kernel/mac80211/patches/subsys/339-wifi-cfg80211-fix-receving-mesh-packets-without-RFC1.patch diff --git a/package/kernel/mac80211/patches/subsys/339-wifi-cfg80211-fix-receving-mesh-packets-without-RFC1.patch b/package/kernel/mac80211/patches/subsys/339-wifi-cfg80211-fix-receving-mesh-packets-without-RFC1.patch new file mode 100644 index 000000000000..e32c6ae1f36e --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/339-wifi-cfg80211-fix-receving-mesh-packets-without-RFC1.patch @@ -0,0 +1,25 @@ +From: Felix Fietkau +Date: Tue, 11 Jul 2023 13:30:12 +0200 +Subject: [PATCH] wifi: cfg80211: fix receving mesh packets without RFC1042 + header + +Fix ethernet header length field after stripping the mesh header + +Cc: stable@vger.kernel.org +Link: https://lore.kernel.org/all/CT5GNZSK28AI.2K6M69OXM9RW5@syracuse/ +Fixes: 986e43b19ae9 ("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces") +Reported-by: Nicolas Escande +Signed-off-by: Felix Fietkau +--- + +--- a/net/wireless/util.c ++++ b/net/wireless/util.c +@@ -580,6 +580,8 @@ int ieee80211_strip_8023_mesh_hdr(struct + hdrlen += ETH_ALEN + 2; + else if (!pskb_may_pull(skb, hdrlen)) + return -EINVAL; ++ else ++ payload.eth.h_proto = htons(skb->len - hdrlen); + + mesh_addr = skb->data + sizeof(payload.eth) + ETH_ALEN; + switch (payload.flags & MESH_FLAGS_AE) { -- 2.30.2