Re: [PATCH v14 nf-next 3/3] netfilter: nft_chain_filter: Add bridge double vlan and pppoe
From: Florian Westphal <fw@strlen.de>
Date: 2025-07-08 22:02:40
Also in:
bridge, netfilter-devel
Eric Woudstra [off-list ref] wrote:
+ if (!pskb_may_pull(skb, VLAN_HLEN)) + break; + vhdr = (struct vlan_hdr *)(skb->data); + offset = VLAN_HLEN; + outer_proto = skb->protocol; + proto = vhdr->h_vlan_encapsulated_proto; + skb_set_network_header(skb, offset); + skb->protocol = proto;
Why is skb->protocol munged? Also applies to the previous patch, I forgot to ask.