From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org, fw@strlen.de
Subject: Re: [PATCH nf-next] netfilter: nf_conntrack_tcp: skip tracking for offloaded packets
Date: Fri, 18 Mar 2022 16:17:04 +0100 [thread overview]
Message-ID: <20220318151704.GG9722@breakpoint.cc> (raw)
In-Reply-To: <20220318144939.69465-1-pablo@netfilter.org>
Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> Sometimes flowtable datapath passes up packets to classic forwarding
> path, eg. mtu exceeded case. Skip TCP tracking otherwise these packets
> are considered invalid by conntrack.
They are? nft_flow_offload_eval() sets IP_CT_TCP_FLAG_BE_LIBERAL for
the conntrack, so at least window checks are disabled.
prev parent reply other threads:[~2022-03-18 15:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-18 14:49 [PATCH nf-next] netfilter: nf_conntrack_tcp: skip tracking for offloaded packets Pablo Neira Ayuso
2022-03-18 15:17 ` Florian Westphal [this message]
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