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 72668257859; Tue, 21 Oct 2025 17:48:46 +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=1761068926; cv=none; b=Jwd3UgbB/18PV9D7M4Igd6EMJ1ZyG8cW/9FtzdS2cqe9Op0sJap49+Y9IgCncZSDfujgd5R+5ka77HKEzG5NqdfsQm3s02qQLKXpY33xqfRTvjwged/2ocKM9+y9/N7NHln9DOPdEeQDzoSHPTHC+hCoB3jv2uBKSQhtnU81dpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761068926; c=relaxed/simple; bh=xTK30UAO9p6bgYH8vFHy8TPEhx3i0ch7EaIe4aHEjJI=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=Y5NBtFcQZLakcg5swZrbh97oSA7vnGmYKY8RvygcpXcSwd310pvcvkCAka3oSDKiQ7+CabIy0rTg4IioJ9Xj/JW3+k48ST1Crv2pqD0JNeSo+K+ElDy5Xt140XW3GvSLIH7G9vkGnvc9CgBlXackfBqhfT8c8pUW+2CKWIwKiC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gwrdX7eX; 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="gwrdX7eX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67EBAC4CEF1; Tue, 21 Oct 2025 17:48:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761068925; bh=xTK30UAO9p6bgYH8vFHy8TPEhx3i0ch7EaIe4aHEjJI=; h=From:Subject:Date:To:Cc:From; b=gwrdX7eXiagWIGx1i+O88T91LTiB7lB9GG+8QCT+M3rXrngiXJjgLUzfI79ehnuNQ KT9x1yJCXntHRHa8N8dqE8jRDU1LybPUAnhFCLqaL7ZVKtvqk2nWwoDLGJZRPEGUrJ NMIlBKxZope22DRMtyc8Ub9I/iHI/DLrPUYli/n8n/VMJsvZVhKXfQt8+q+08YZsaH Rl00zL6xNHp8NAuP0Lyr0qDdfs+bXOTwMKmoO5gAZ8QSQI1RA9YVBuFtXJS2Qt7q6p WfmRIL9ujDc/piVsLoEH5mw93YkO0AF7QKb8FxfRbP9xXMy2L6VpCV8+NljGgonTAA duFh/LWcmtEcQ== From: Lorenzo Bianconi Subject: [PATCH nf-next v7 0/3] Add IPIP flowtable SW acceleration Date: Tue, 21 Oct 2025 19:48:17 +0200 Message-Id: <20251021-nf-flowtable-ipip-v7-0-a45214896106@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@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=H4sIAGHH92gC/33OwW6EIBAG4FfZcC7NAAJDT32PpgfAYZfUqEFjt 9n47iVe1kbT4+Sf+eZ/sIlKpom9XR6s0JKnPPR1sC8XFm++vxLPbZ2ZBKnBSMX7xFM3fM8+dDU b88hFUK0NgC0Yy+rdWCjl+2Z+sLre031mnzW45Wkeys/2axFb/A+7CC64RK20M6RcI96/qPTUv Q7lunGL3BP2jJAceLRCAahIVocDoZ6EhdMWqhKI4FOrhAsuHYhmRwg8I5pKJAxBRIHBoTkQekd IcUboSgAa7ZMjjfFImCeB5y1MJaj1DppGWuXiH2Jd11/zbAd9CwIAAA== 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 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 | 16 +++ include/net/netfilter/nf_flow_table.h | 26 +++++ net/ipv4/ipip.c | 29 +++++ net/netfilter/nf_flow_table_core.c | 10 ++ net/netfilter/nf_flow_table_ip.c | 118 ++++++++++++++++++++- net/netfilter/nft_flow_offload.c | 79 ++++++++++++-- .../selftests/net/netfilter/nft_flowtable.sh | 40 +++++++ 7 files changed, 307 insertions(+), 11 deletions(-) --- base-commit: d1d7998df9d7d3ee20bcfc876065fa897b11506d change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067 Best regards, -- Lorenzo Bianconi