From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B9977C43602 for ; Fri, 3 Jul 2026 14:11:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=9WmCg5KQV9+WEylsXDnXXYCT0wE60z9FdM4u/lEjPoI=; b=XhWtKEY9zdvGIO ybjYq/yF7hgOZZGuWEriUW6khD0yy79IuSmfi4vcqZ+Ol2p4UY/67yQRvtGrqehvBcB0lm3gO7efz wszxEIfRKQ/mRp4cW5FTjTJxk/3yXdDftsXtINSFzrUlhUH1jakjOntTywAiqOzmEKyk3zJenl5I6 3jOxlqGPUfodM1nGCBM5/RK+t3fNTsotGLY8ry5ziuZ6IRNwmIVqjnquSUvb5MwK0dclXShfU6GZR x136hJ5oS4eezQfxQr0mg21vvxv8eUookblJeZ923d98cGjt0JE+1ptnGXhvJlk8eKJwqV+/X/0PZ nhtvBZLlIjTly7irNSsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfebp-00000007DJC-2CH6; Fri, 03 Jul 2026 14:11:13 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfebo-00000007DID-0oSv; Fri, 03 Jul 2026 14:11:12 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8612E60051; Fri, 3 Jul 2026 14:11:11 +0000 (UTC) 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> 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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