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 D6AFC36495D; Tue, 5 May 2026 14:50:07 +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=1777992607; cv=none; b=GrwY/UJPjB1/n4k1dtPI29/gnl9otXPxOCb27HbEqmGTv4y1BTXymnvNHOHgSJ8+La6HP2TQ3Kh4CtXkuYUKRb4SI5Xx4owZdw1dmnClFjoKPBVAtLPObfgOg6Cf+GpBEFYwoFEWROihmwRfN9P+5K119XQ24CgoDwCjZbIYMsk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777992607; c=relaxed/simple; bh=3ZPHgJUJ+F1jDAjlmGng3iYAAGgk6pserxwVK3Vie+A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=K1Whqkt4RK9tx0S7edmAVdkXa62uagm9oReGUphagV6E/3yHDBTOGKqOw97Z2LCGcGQPC9lZXEdmW+Fkx8SMtAiu/rEILwer8gkFtjykNYoQURWdBpCHj4YJxCvMRmBTuh3lNK84Tt0bVcRIiY5hD6zr/eGV3z1ZB8bnOtUqRz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FxVtxuku; 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="FxVtxuku" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26D6BC2BCF5; Tue, 5 May 2026 14:50:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777992607; bh=3ZPHgJUJ+F1jDAjlmGng3iYAAGgk6pserxwVK3Vie+A=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=FxVtxukuMwqI1K18z0mLjqbsUTyQm3hgwOSeoez32kgT4E2HBu0Y5TNG+urszbQvH mv+gN5DRApDtFbxHcbBYTCCgkB+rzh3+Ii0mEIWBqIGd717qbpl1BHj+nNJLKMo4GW 8R6+nOav5bpsGaDAyGY90rAbMWCcBUhOyvFm81tNGhl5U7QUyTJseSwFZ6Xmpjw6FY Tqjg+Ggky3/whxDb7B+TQPfot5HdDF+DNhhAdokdOcQHdtN3CWdX1gK2DZjWNtJEYA skIe2TDwZOwFfNMTHqapklgjA2dyOrMGeOnI0SYAP5bRrCon9hoKd3EkrO6xfLF4Yu WpeADmEVoPq6A== From: Lorenzo Bianconi Date: Tue, 05 May 2026 16:49:26 +0200 Subject: [PATCH nf-next 4/4] selftests: netfilter: nft_flowtable.sh: Add IPv4 over IPv6 flowtable selftest 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 Message-Id: <20260505-b4-flowtable-sw-accel-ip6ip-v1-4-9ac39ccc9ea9@kernel.org> References: <20260505-b4-flowtable-sw-accel-ip6ip-v1-0-9ac39ccc9ea9@kernel.org> In-Reply-To: <20260505-b4-flowtable-sw-accel-ip6ip-v1-0-9ac39ccc9ea9@kernel.org> 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 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, Lorenzo Bianconi X-Mailer: b4 0.14.3 Similar to IPIP and IP6IP6, introduce specific selftest for IPv4 over IPv6 flowtable sw acceleration in nft_flowtable.sh Signed-off-by: Lorenzo Bianconi --- .../selftests/net/netfilter/nft_flowtable.sh | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/testing/selftests/net/netfilter/nft_flowtable.sh b/tools/testing/selftests/net/netfilter/nft_flowtable.sh index 7a34ef468975..d9995549f8a6 100755 --- a/tools/testing/selftests/net/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/net/netfilter/nft_flowtable.sh @@ -594,7 +594,9 @@ ip netns exec "$nsr1" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null ip -net "$nsr1" link add name tun6 type ip6tnl local fee1:2::1 remote fee1:2::2 ip -net "$nsr1" link set tun6 up +ip -net "$nsr1" addr add 192.168.210.1/24 dev tun6 ip -net "$nsr1" addr add fee1:3::1/64 dev tun6 nodad +ip netns exec "$nsr1" sysctl net.ipv4.conf.tun6.forwarding=1 > /dev/null ip -net "$nsr2" link add name tun0 type ipip local 192.168.10.2 remote 192.168.10.1 ip -net "$nsr2" link set tun0 up @@ -603,7 +605,9 @@ ip netns exec "$nsr2" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null ip -net "$nsr2" link add name tun6 type ip6tnl local fee1:2::2 remote fee1:2::1 || ret=1 ip -net "$nsr2" link set tun6 up +ip -net "$nsr2" addr add 192.168.210.2/24 dev tun6 ip -net "$nsr2" addr add fee1:3::2/64 dev tun6 nodad +ip netns exec "$nsr2" sysctl net.ipv4.conf.tun6.forwarding=1 > /dev/null ip -net "$nsr1" route change default via 192.168.100.2 ip -net "$nsr2" route change default via 192.168.100.1 @@ -636,6 +640,15 @@ else ret=1 fi +ip -net "$nsr1" route change default via 192.168.210.2 +ip -net "$nsr2" route change default via 192.168.210.1 + +if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IP6IP4 tunnel"; then + echo "FAIL: flow offload for ns1/ns2 with IP6IP4 tunnel" 1>&2 + ip netns exec "$nsr1" nft list ruleset + ret=1 +fi + # Create vlan tagged devices for IPIP traffic. ip -net "$nsr1" link add link veth1 name veth1.10 type vlan id 10 ip -net "$nsr1" link set veth1.10 up @@ -653,7 +666,9 @@ ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun0.10 a ip -net "$nsr1" link add name tun6.10 type ip6tnl local fee1:4::1 remote fee1:4::2 ip -net "$nsr1" link set tun6.10 up +ip -net "$nsr1" addr add 192.168.220.1/24 dev tun6.10 ip -net "$nsr1" addr add fee1:5::1/64 dev tun6.10 nodad +ip netns exec "$nsr1" sysctl net.ipv4.conf.tun6/10.forwarding=1 > /dev/null ip -6 -net "$nsr1" route delete default ip -6 -net "$nsr1" route add default via fee1:5::2 ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun6.10 accept' @@ -672,7 +687,9 @@ ip netns exec "$nsr2" sysctl net.ipv4.conf.tun0/10.forwarding=1 > /dev/null ip -net "$nsr2" link add name tun6.10 type ip6tnl local fee1:4::2 remote fee1:4::1 || ret=1 ip -net "$nsr2" link set tun6.10 up +ip -net "$nsr2" addr add 192.168.220.2/24 dev tun6.10 ip -net "$nsr2" addr add fee1:5::2/64 dev tun6.10 nodad +ip netns exec "$nsr2" sysctl net.ipv4.conf.tun6/10.forwarding=1 > /dev/null ip -6 -net "$nsr2" route delete default ip -6 -net "$nsr2" route add default via fee1:5::1 @@ -690,6 +707,15 @@ else ret=1 fi +ip -net "$nsr1" route change default via 192.168.220.2 +ip -net "$nsr2" route change default via 192.168.220.1 + +if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IP6IP4 tunnel over vlan"; then + echo "FAIL: flow offload for ns1/ns2 with IP6IP4 tunnel over vlan" 1>&2 + ip netns exec "$nsr1" nft list ruleset + ret=1 +fi + # Restore the previous configuration ip -net "$nsr1" route change default via 192.168.10.2 ip -net "$nsr2" route change default via 192.168.10.1 -- 2.54.0