From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A085191F92; Tue, 4 Nov 2025 11:08:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762254491; cv=none; b=ZFoM6cEw2HEuAs8D0m9o5lNSqrkSpK0Cgvn1eM3JIOai52WTaxIenwi2rEAUXwvaNRkioeoXjn51+auP+kmu2I271Bg2nRyONr8l26/wA6SiJosc+iJ8gMEytgJuvIvmAzC/AkDAHZwALZYg16nUYGMYOQREm7w6Dam6YTST0zs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762254491; c=relaxed/simple; bh=LmdhoSAI9lnKK3Lr3krP6aCJTZmvPTtd9486Cgqqibo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SCgwvhaP3FV/8zs3eHTbLTiWOWuNde/mBgyyLDUCM56XcNWm+79u4h9TfT+ouHllhgrMcEluRCiZzu+HZNmaCh9fjCUCATN+FkQE8NwcF9f9a6+E1ku+nd3d9mIo9H4nCqmygY9iOE/XIsWbQGfK0pZOKuTUm0Fk/tUViEBqBU8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ITX4mipP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ITX4mipP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 445D3C4CEF7; Tue, 4 Nov 2025 11:08:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762254488; bh=LmdhoSAI9lnKK3Lr3krP6aCJTZmvPTtd9486Cgqqibo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ITX4mipPZ76lcXAIaPNSaOq9l2dzLMiMzCY8jKUcy9ESdyLzreK17nB4zrZWFRJMA YZZL5zXT42ySFcYEnfq2/A3RTh+yCJrB2LI+LgIltjv84P10U7qfvgwF2iuptZIqyQ Co8N1BMYuGHpTpvzVQc8tdEJ8BV3T1+GKCtRAI2ABxOOrhI2Eo/2WAQmI1X/Q/M2a+ 5C0y6sYZ/AuE9zLTArKxMLaUHZdK8lqO1yXWcZrib2xRqtC8WifJvubLxKqWEsZsnF d1wasDV1Od59Pmz2P+TpcJhVZDOMRBR6q4/At1uipBWJf822q/+dW8OfIlNPDhtN5P nCz3XJEagyDTQ== Date: Tue, 4 Nov 2025 12:08:06 +0100 From: Lorenzo Bianconi To: "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Pablo Neira Ayuso , Jozsef Kadlecsik , Shuah Khan , Andrew Lunn , Phil Sutter Cc: Florian Westphal , netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH nf-next v8 0/3] Add IPIP flowtable SW acceleration Message-ID: References: <20251023-nf-flowtable-ipip-v8-0-5d5d8595c730@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/hmIC4VKqnIfckr9" Content-Disposition: inline In-Reply-To: <20251023-nf-flowtable-ipip-v8-0-5d5d8595c730@kernel.org> --/hmIC4VKqnIfckr9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > Introduce SW acceleration for IPIP tunnels in the netfilter flowtable > infrastructure. This series introduces basic infrastructure to > accelerate other tunnel types (e.g. IP6IP6). Hi Pablo and Florian, Do you have any updates/comments about this series? Thanks in advance. Regards, Lorenzo >=20 > --- > Changes in v8: > - Rebase on top of the following series (not yet applied) > https://patchwork.ozlabs.org/project/netfilter-devel/list/?series=3D477= 081 > - Link to v7: https://lore.kernel.org/r/20251021-nf-flowtable-ipip-v7-0-a= 45214896106@kernel.org >=20 > Changes in v7: > - Introduce sw acceleration for tx path of IPIP tunnels > - Rely on exact match during flowtable entry lookup > - Fix typos > - Link to v6: https://lore.kernel.org/r/20250818-nf-flowtable-ipip-v6-0-e= da90442739c@kernel.org >=20 > Changes in v6: > - Rebase on top of nf-next main branch > - Link to v5: https://lore.kernel.org/r/20250721-nf-flowtable-ipip-v5-0-0= 865af9e58c6@kernel.org >=20 > Changes in v5: > - Rely on __ipv4_addr_hash() to compute the hash used as encap ID > - Remove unnecessary pskb_may_pull() in nf_flow_tuple_encap() > - Add nf_flow_ip4_ecanp_pop utility routine > - Link to v4: https://lore.kernel.org/r/20250718-nf-flowtable-ipip-v4-0-f= 8bb1c18b986@kernel.org >=20 > Changes in v4: > - Use the hash value of the saddr, daddr and protocol of outer IP header = as > encapsulation id. > - Link to v3: https://lore.kernel.org/r/20250703-nf-flowtable-ipip-v3-0-8= 80afd319b9f@kernel.org >=20 > Changes in v3: > - Add outer IP header sanity checks > - target nf-next tree instead of net-next > - Link to v2: https://lore.kernel.org/r/20250627-nf-flowtable-ipip-v2-0-c= 713003ce75b@kernel.org >=20 > Changes in v2: > - Introduce IPIP flowtable selftest > - Link to v1: https://lore.kernel.org/r/20250623-nf-flowtable-ipip-v1-1-2= 853596e3941@kernel.org >=20 > --- > Lorenzo Bianconi (3): > net: netfilter: Add IPIP flowtable rx sw acceleration > net: netfilter: Add IPIP flowtable tx sw acceleration > selftests: netfilter: nft_flowtable.sh: Add IPIP flowtable selftest >=20 > include/linux/netdevice.h | 16 +++ > include/net/netfilter/nf_flow_table.h | 22 ++++ > net/ipv4/ipip.c | 29 +++++ > net/netfilter/nf_flow_table_core.c | 3 + > net/netfilter/nf_flow_table_ip.c | 117 +++++++++++++++= +++++- > net/netfilter/nf_flow_table_path.c | 86 +++++++++++++-- > .../selftests/net/netfilter/nft_flowtable.sh | 40 +++++++ > 7 files changed, 298 insertions(+), 15 deletions(-) > --- > base-commit: 32e4b1bf1bbfe63e52e2fff7ade0aaeb805defe3 > change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067 >=20 > Best regards, > --=20 > Lorenzo Bianconi >=20 --/hmIC4VKqnIfckr9 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCaQnelgAKCRA6cBh0uS2t rIKNAQCBqiEOogDSti97oqbOzgwdepURLlyGeQ1wlZfifilu1AEAy6H4XEWEKEi5 IO1DZWBhH6l1a6afqaXiTr7LF7k8nQs= =Mk5f -----END PGP SIGNATURE----- --/hmIC4VKqnIfckr9--