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 C688C30DD36; Mon, 18 Aug 2025 09:08:21 +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=1755508101; cv=none; b=f0ZLdzz8upeVLyx9hAmhgz86pUiLJZds8J0KQZzUbUrZVg+T024fla5jpX1aTkoOhvNUvJp+RPjiL2bgj6+fRZ6wqX3RoXKXFGZAxyAjcWRpVhAQAi2J/42z9OphhTax90aWEd55YNrfwsRSNECxxuOfCayXB0hsVejlQ+TCD9g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755508101; c=relaxed/simple; bh=lZBxuhxT0/C9pXeRvInY4B4cmdkNYhGZiwqpu6LpbvE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=DLDUo92rOEaWhnPF/guBAZnrXAFL+yaO3NTX9FcNpCvELvcS339rCZ9ZIC+8OdjTWN/w9a65nWODoDuLupcRUzX+Rmf1ZP0DHLG0PKdv1X+oxkbqynyFbxofMPp2ZtBYvlt/7maLgh7broyeFBdbMerSqr7NmdK3+pawrPtttTg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bB1zJI0X; 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="bB1zJI0X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8870C4CEEB; Mon, 18 Aug 2025 09:08:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755508101; bh=lZBxuhxT0/C9pXeRvInY4B4cmdkNYhGZiwqpu6LpbvE=; h=From:Subject:Date:To:Cc:From; b=bB1zJI0XBjlyOCz3afkUnhpWc6WMcSejb7qbi7F/r8Q4tw/KuBaeqJgoBHLh2Rd2f Dda97Rd5FP8sf/3SWlwDVgdBLxdDteDAe4pVd4pgOsgRGHINi5C2ZoXs+3THIYkCIO orRaYjLiwK9k4KXoJCaiGErSGNmYH3weOx2orG+6TPpHUfmPJg7ZPtfkYRAK39nXJt lOKhd1R6uXb2ou1kPqH504+JySv/Bf/OrgfxUneaEJhUWmGz4RxWPRn/+Z8wpZdtzT Cvs4QnUZobCiR9zzKGLHewtLvYogtXDcWxpE8XM2Ty1uOW3jKyUG95gfsA/qCkRbEu Fd1JoFrojeyvw== From: Lorenzo Bianconi Subject: [PATCH nf-next v6 0/2] Add IPIP flowtable SW acceleratio Date: Mon, 18 Aug 2025 11:07:32 +0200 Message-Id: <20250818-nf-flowtable-ipip-v6-0-eda90442739c@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAFTtomgC/33OTW6EMAwF4KuMsm4qOyF/s+o9qi5IcGaiooACo lONuHsjNqUCdfn07M9+solKooldL09WaElTGnIN+uXCwr3NN+Kpq5kJEAq0kDxHHvvha259X7s xjRy97IwH24E2rO6NhWJ6bOY7q+OZHjP7qMU9TfNQvrdbC271P+yCHLmwSiqnSboG3z6pZOpfh 3LbuEXsCXNGCA48GJQAMpBR/kDIX8LA6ReyEtZCGzuJzrt4IJodgfaMaCoRrfcY0Hpn9YFQO0L gGaEqAVarNjpSNvwl1nX9AZ3vOwDIAQAA X-Change-ID: 20250623-nf-flowtable-ipip-1b3d7b08d067 To: "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Pablo Neira Ayuso , Jozsef Kadlecsik , Shuah Khan , Andrew Lunn Cc: Florian Westphal , netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-kselftest@vger.kernel.org, Lorenzo Bianconi X-Mailer: b4 0.14.2 Introduce SW acceleration for IPIP tunnels in the netfilter flowtable infrastructure. --- Changes in v6: - Rebase on top of nf-next main branch - Link to v5: https://lore.kernel.org/r/20250721-nf-flowtable-ipip-v5-0-0865af9e58c6@kernel.org 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-f8bb1c18b986@kernel.org 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-v3-0-880afd319b9f@kernel.org 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-c713003ce75b@kernel.org Changes in v2: - Introduce IPIP flowtable selftest - Link to v1: https://lore.kernel.org/r/20250623-nf-flowtable-ipip-v1-1-2853596e3941@kernel.org --- Lorenzo Bianconi (2): net: netfilter: Add IPIP flowtable SW acceleration selftests: netfilter: nft_flowtable.sh: Add IPIP flowtable selftest include/linux/netdevice.h | 1 + net/ipv4/ipip.c | 28 +++++++++++ net/netfilter/nf_flow_table_ip.c | 56 +++++++++++++++++++++- net/netfilter/nft_flow_offload.c | 1 + .../selftests/net/netfilter/nft_flowtable.sh | 40 ++++++++++++++++ 5 files changed, 124 insertions(+), 2 deletions(-) --- base-commit: bab3ce404553de56242d7b09ad7ea5b70441ea41 change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067 Best regards, -- Lorenzo Bianconi