From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9E77A3D3338; Fri, 3 Jul 2026 14:11:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783087872; cv=none; b=dT8V/Rx9oKhUolsSadQntlSILeEknB4VdgDZIeMUF4Ki5niT4elff9buO8g6+j7t0GeVcvGmO2VPnYko0eUwmXooUCfWRAv4XkpYnvjmIlo+HCSeAr1NO2nxFdKfwLbFM2WaTVaBhmHXWnxwpT03uKTRTnDFptBUQp6zMZAIQMA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783087872; c=relaxed/simple; bh=fUYIhcgTsd08cQCxhii/tR9hzAIPf9Za63MDebhQsWE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=enIlub8Sl37rhZGWkttVv/teOTKGrFdf6EEUU32FZafhb+s1B7j/JjfaPlBq0vTecNITmaOi95V4QWlBmfpSHscFlfXG94oTO9XB6ckny10Z+r+oqfuU2E3yAVOTmCULTNLIC4NiGRKViWnXroyYSK6RQSFiTAUqsMkUxjAbO/I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nP3sDrQW; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nP3sDrQW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5A1F1F000E9; Fri, 3 Jul 2026 14:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783087871; bh=9WmCg5KQV9+WEylsXDnXXYCT0wE60z9FdM4u/lEjPoI=; h=From:Subject:Date:To:Cc; b=nP3sDrQWQDE9IxZvNZP/QSicRHCHwVfF/BHyUOXaVCRxjIB5jCBDwzYibyoRXToph ldcEvnrCdsK8xa+goiRypyrUmgLvnDG96E44OskJ70GILGZeM89jODKVsGl7H0wYvM Db9xx55VsF1LViL4+9QD1AEwd2T8zM16+ID4ABI0XQ+yr9/1i6RpusfrtO8sEhQk7q xYfHlms8n9O6RAcjQKSuGGILsXQ+WIP2LmkeSVGO0cvrcdxC9cHCD0NxUz5PiH1QvK b3kr+lC+5BvBq3Fb90R46T4oxXoVjIDgBwjsC1DkmhlIZy3lJdHf0ntwsFehZps12w dXEkAtB0rr2DA== From: Lorenzo Bianconi Subject: [PATCH nf-next v4 0/6] Add IPv4 over IPv6 and SIT flowtable SW acceleration Date: Fri, 03 Jul 2026 16:10:35 +0200 Message-Id: <20260703-b4-flowtable-sw-accel-ip6ip-v4-0-00398cd12382@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/43OQQrCMBQE0KtI1n5JftLEuPIe4iKmPxosaUlKV aR3N3SlCOJyGHgzT1YoRypst3qyTFMssU81qPWK+YtLZ4LY1syQo+YNb+CkIHT9bXSnjqDcwHl PHcRBxwGM4IJL5VuhDKvCkCnE+6IfWAqQ6D6yYy0usYx9fiyrk1jqvwYmARys89J67y05u79ST tRt+nxe4AnfMf0bw4opaUOr0BjU9IXJN0yK35isWKMdblEHiebz2TzPLz7XmRVqAQAA 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 v4: - Rebase on top of nf-next and fixed conflicts. - Link to v3: https://lore.kernel.org/r/20260531-b4-flowtable-sw-accel-ip6ip-v3-0-56a2826f3279@kernel.org Changes in v3: - Drop nf_flow_tunnel_v4_push and nf_flow_tunnel_v6_push routines - Rebase on top of net-next tree. - Link to v2: https://lore.kernel.org/r/20260506-b4-flowtable-sw-accel-ip6ip-v2-0-439fd427726e@kernel.org 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 | 13 +- 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 | 16 +- net/netfilter/nf_flow_table_ip.c | 397 +++++++++++++-------- net/netfilter/nf_flow_table_path.c | 20 +- tools/testing/selftests/net/netfilter/config | 1 + .../selftests/net/netfilter/nft_flowtable.sh | 78 +++- 13 files changed, 402 insertions(+), 181 deletions(-) --- base-commit: 6fb33632323a396c9dc2bb9bea483e013e547d57 change-id: 20260505-b4-flowtable-sw-accel-ip6ip-7101034cd147 Best regards, -- Lorenzo Bianconi