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 44256320A00; Fri, 7 Nov 2025 11:15:11 +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=1762514112; cv=none; b=GimQT6+7glbOtnH7qZXZ1MqLtR3RNArRXlPtksrp/Ye9Y+pYPrOi+v+U6ObfHLL6El3ALEE8CZ7+Bd7zoXvyn4plfU2B1WefGExWuhZcbXBvnDMWclTcZYrq8guNk0wHxlMeP+7f1YSCu7u2/znK08POSrAZl4c+VEBYfUNaN8Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762514112; c=relaxed/simple; bh=R0+I1GodW0kaLsfONU7InUNmqif4N7CYW8CRHNfhb8U=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=mlvhWdmwNGT0YGFxex3Dv3Fe5dzXfveltwOO5DCfGdbKmHeQBuSUrgv0uDqu9LL9vR9GOfCbOr2NguEffrHjWP1o02vuvTd4Vqu85ioKaIMWrT0/oWm6/Fhv5xC/2OPcxuEiGIJrUmTU2HEGVd0WmfdAel1l8fJqaljus3+Yo6M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bSkaOG9w; 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="bSkaOG9w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F1BDC19424; Fri, 7 Nov 2025 11:15:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762514111; bh=R0+I1GodW0kaLsfONU7InUNmqif4N7CYW8CRHNfhb8U=; h=From:Subject:Date:To:Cc:From; b=bSkaOG9wbHDpEphNm1vrIC/iyflW/bP6ozjv49bASRMW1yIch6h1drNW+PNlgPdzH 59IiYVSanQ0ieaqlysoKKYHqVagxje5k4tn/8PRgM+B3Yxzz41rOhhvGY5QwxprDU7 YL7h11OmRS26KFFbzQboMed9Uj53LOZ4xh3x/KZ2e9gZc3pPFWjrsQ3NIZcmXcFcn1 e269aOiuRNlmDzPJ2BWvHq1jVJtbLG3yq6/Ag2ydvLsOYXy9+w3FuPPzC9yvI5LCN5 fSVE+okshPqmIQUEWM5MABLVa0LqD+MhUKV6OpV3nxCGDCEyzzyuaFswJwKqmUGCj9 6y2cgT8z3150g== From: Lorenzo Bianconi Subject: [PATCH nf-next v9 0/3] Add IPIP flowtable SW acceleration Date: Fri, 07 Nov 2025 12:14:45 +0100 Message-Id: <20251107-nf-flowtable-ipip-v9-0-7cbc4090dfcb@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=H4sIAKXUDWkC/33Qy2rDMBAF0F8JWldlRs9RVv2P0oX1SkSDbezgp oT8e4UXjYtFl8MdnbnozuY0lTSz4+HOprSUuQx9HdzLgYVz158SL7HOTIDQYITkfeb5MnxdO3+ p2VhGjl5G64EiGMvqu3FKudxW853V9T7druyjBucyX4fpe7214Br/wy7IkQvSUjuTpFP49pmmP l1eh+m0covYErZFCA48WJQAMiSr/Y6QT8JCs4WsBBF0OUp03uUdoTYEUotQlcjkPQYk78jsCL0 hBLYIXQkgo7vskqawJ8yToHYLU4kUOwdKCStd2BH2l0Bot7CV6JQWqMgZhH0L2hLN76RK6Kgja aeDlfCHeDweP4v1SHuRAgAA 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 , Phil Sutter 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. This series introduces basic infrastructure to accelerate other tunnel types (e.g. IP6IP6). --- Changes in v9: - Fixed IPIP tunnel offloading when VLAN encapsulation is enabled. - Add IPIP tunnel over vlan self-test - Remove wrong filed from flow_offload_tuple key - Cosmetics - Link to v8: https://lore.kernel.org/r/20251023-nf-flowtable-ipip-v8-0-5d5d8595c730@kernel.org Changes in v8: - Rebase on top of the following series (not yet applied) https://patchwork.ozlabs.org/project/netfilter-devel/list/?series=477081 - Link to v7: https://lore.kernel.org/r/20251021-nf-flowtable-ipip-v7-0-a45214896106@kernel.org 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-eda90442739c@kernel.org 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 (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 include/linux/netdevice.h | 13 ++ include/net/netfilter/nf_flow_table.h | 18 +++ net/ipv4/ipip.c | 25 ++++ net/netfilter/nf_flow_table_core.c | 3 + net/netfilter/nf_flow_table_ip.c | 135 +++++++++++++++++++-- net/netfilter/nf_flow_table_path.c | 84 +++++++++++-- .../selftests/net/netfilter/nft_flowtable.sh | 69 +++++++++++ 7 files changed, 328 insertions(+), 19 deletions(-) --- base-commit: 32e4b1bf1bbfe63e52e2fff7ade0aaeb805defe3 change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067 Best regards, -- Lorenzo Bianconi