netdev - Re: [PATCH v11 nf-next 1/2] netfilter: bridge: Add conntrack double vlan and pppoe

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Message-ID: <20250408184806.GB5425@breakpoint.cc>
Date: Tue, 8 Apr 2025 20:48:06 +0200
From: Florian Westphal <fw@...len.de>
To: Eric Woudstra <ericwouds@...il.com>
Cc: Florian Westphal <fw@...len.de>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Jozsef Kadlecsik <kadlec@...filter.org>,
	Nikolay Aleksandrov <razor@...ckwall.org>,
	Ido Schimmel <idosch@...dia.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>, netfilter-devel@...r.kernel.org,
	bridge@...ts.linux.dev, netdev@...r.kernel.org
Subject: Re: [PATCH v11 nf-next 1/2] netfilter: bridge: Add conntrack double
 vlan and pppoe

Eric Woudstra <ericwouds@...il.com> wrote:
> The thing is, single vlan (802.1Q) can be conntracked without setting up
> a zone. I've only added Q-in-Q, AD and PPPoE-in-Q. Since single Q (L2)
> can be conntracked, I thought the same will apply to other L2 tags.
> 
> So would single Q also need this restriction added in your opinion?

I think its too risky to add it now for single-Q case.