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 55CA33FADE4; Wed, 6 May 2026 17:28:26 +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=1778088507; cv=none; b=FYKzMqk/FgT5E5l4iKYsnSVOPXqfnWUdYORWowJ55XRNNMnwGQ1QqGK2hBkL39PNJ5yUCkaXXy5sUPkbTi+tW70zrTVhQl/gjc0uRxpkgTmdmqyIHNQ661ntlDBfWl6dJt8YE9fGCXJdwmJqG6RpgLWmUNreZYhiZ2QENSAHMNY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778088507; c=relaxed/simple; bh=uuxr4GBoi0HWmp+BmOao9Djtoy1CtJ8ix1066oLK6tE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=i3V/5oMDl8//G4hB6CvbtvC6Ltp/Bc/nP8yD5Wwp+74M4tb2xpM2f/g6tXLBz1mnUSDRtiCJiLZ+RVqUPX4fjv3zhba4y8CP6NhFgZZwY6hnA0XGh5657wqf3VYd/XiOal/3gmIr7q18k/nnriC7WlcVKO7x1wCG6l2gmuP5KW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XC70NEBp; 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="XC70NEBp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63289C2BCB0; Wed, 6 May 2026 17:28:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778088506; bh=uuxr4GBoi0HWmp+BmOao9Djtoy1CtJ8ix1066oLK6tE=; h=From:Subject:Date:To:Cc:From; b=XC70NEBp/ts7waDtWSLkQvU+sYZjSyh6hCX3Q4pe7E+UR3Em2rprQNs8jBxF05EnS VxwwtqFm5d+Jf4eQt9TXNbtsbJdptnOspTsuAzK7YGdJXK1E7icyLsiLrvn6NRbjHr fsj27qfssUagGK13L98mQdj8H0JmChqycKgmNAKmN0nmooh4w0wQFWq7TR/n7o2NRC Kx0P6ScHxNLzAsnRFTqe2y4AZaZkHA+mKTnMRskZax9ZZVEYaz150Q0o4o4hPxtgJG HfOnA5Lpu/qDuh/ypnNuR1QKx5xn8BBj023FZIYT1fNuqlBZQTpjQLT9cPkiYw3af/ LW10Bt/B7t0Bg== From: Lorenzo Bianconi Subject: [PATCH nf-next v2 0/6] Add IPv4 over IPv6 and SIT flowtable SW acceleration Date: Wed, 06 May 2026 19:27:31 +0200 Message-Id: <20260506-b4-flowtable-sw-accel-ip6ip-v2-0-439fd427726e@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=H4sIAAAAAAAC/42NSwqDMBBAr1Jm3SmJX9JV71FcxHHUoSFKImoR7 97gCbp8PHjvgMhBOMLzdkDgVaJMPkF2vwGN1g+M0iWGTGWVKlWJbYG9m7bFto4xbmiJ2KHMlcx Ya6VVXlCnixpSYQ7cy37V3+B79Lwv0CQxSlym8L2uq770X4NVo0JjKTdEZNia14eDZ/eYwgDNe Z4/LPLH6NAAAAA= X-Change-ID: 20260505-b4-flowtable-sw-accel-ip6ip-7101034cd147 To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Felix Fietkau , Matthias Brugger , AngeloGioacchino Del Regno , Simon Horman , David Ahern , Ido Schimmel , Pablo Neira Ayuso , Florian Westphal , Phil Sutter , Shuah Khan , Lorenzo Bianconi Cc: linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-kselftest@vger.kernel.org X-Mailer: b4 0.14.3 Similar to IPIP and IP6I6 tunnels, introduce sw acceleration for IPv4 over IPv6 and SIT tunnels in the netfilter flowtable infrastructure. --- Changes in v2: - Fix MTU check in nf_flow_offload_forward() and in nf_flow_offload_ipv6_forward() - Add SIT sw acceleration support - Link to v1: https://lore.kernel.org/r/20260505-b4-flowtable-sw-accel-ip6ip-v1-0-9ac39ccc9ea9@kernel.org --- Lorenzo Bianconi (6): net: netfilter: Add ether_type to net_device_path_ctx net: netfilter: Add encap_proto to flow_offload_tunnel net: netfilter: Add IPv4 over IPv6 tunnel flowtable acceleration selftests: netfilter: nft_flowtable.sh: Add IPv4 over IPv6 flowtable selftest net: netfilter: Add SIT tunnel flowtable acceleration selftests: netfilter: nft_flowtable.sh: Add SIT flowtable selftest drivers/net/ethernet/airoha/airoha_ppe.c | 14 +- drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 13 +- include/linux/netdevice.h | 5 +- include/net/netfilter/nf_flow_table.h | 1 + net/core/dev.c | 6 +- net/ipv4/ipip.c | 1 + net/ipv6/ip6_tunnel.c | 6 +- net/ipv6/sit.c | 26 ++ net/netfilter/nf_flow_table_core.c | 14 +- net/netfilter/nf_flow_table_ip.c | 386 +++++++++++++-------- net/netfilter/nf_flow_table_path.c | 16 +- tools/testing/selftests/net/netfilter/config | 1 + .../selftests/net/netfilter/nft_flowtable.sh | 78 ++++- 13 files changed, 402 insertions(+), 165 deletions(-) --- base-commit: c1e5127b577c6b88fa48e532616932ae978528d5 change-id: 20260505-b4-flowtable-sw-accel-ip6ip-7101034cd147 Best regards, -- Lorenzo Bianconi