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 48861257859; Tue, 21 Oct 2025 17:48:54 +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=1761068934; cv=none; b=YkvmU/8yO7KWOQDWj/8hkiYINbogaVrRctgHv2ReWGg/dkcv1Mr4UnFcZ2MiW1ZVf7GaZphYZcYUjWo+SbmvY1bK+G+wuU4MNmcF06iXOg3PBQYa/SUSqYANcuz/OEHeroWnlnZufVeudjRlrWH9NcpE8mq1Tg3BhV6EGumx3qU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761068934; c=relaxed/simple; bh=zViVWbIqH/k2G08l4zC7D+eJnbQM8tCMSN3ai52tEeY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lWHG3yJA1FPjyDj/r8gqnpzy4wbVJAtNMLHaXdO6Iz2MZ9K8G61/D+8ugQMT8UGCwXnjkY+u7S+TbgvAxyOx7tTBIE44tli6BbYN4OVHYPOUBnfUUF0IyiN7nBeTeBv1dcJbHhWILQPSBgNHmtw48HUEtLBDcLlDGXoiblUf9NI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iEU3HSrQ; 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="iEU3HSrQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B31F2C4CEF5; Tue, 21 Oct 2025 17:48:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761068934; bh=zViVWbIqH/k2G08l4zC7D+eJnbQM8tCMSN3ai52tEeY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=iEU3HSrQh+40oqov3yqA23IuKvQn75UtEjaluXZc1ZcVocQILCOhV/nubPjb+Jxdr JnBf4PDvglifRLIhVZCsN/vKvrMI1CMfM92QCYuxyXK6Lni+pA/HYNJoThUgVa43Po 2jeQTfmqmK47Jpz90aoJPEd0HI7Pbdsd8l40WTesDD/PT1FpNcAcVds43G8qK0usUa RZwGyZirLO/wIY7qFzSeKpZNrRNvBAFNjmIvxMrz7D9b8BKOcEDSe3LWzwQMlSk3IV 3gbV5hb3XlshkiJiNjYI5OCVYrtb8x03X3m48VVpndBNrX/SnopVI+QV4HE5pWNYY5 bBluKuJjbEhqw== From: Lorenzo Bianconi Date: Tue, 21 Oct 2025 19:48:20 +0200 Subject: [PATCH nf-next v7 3/3] selftests: netfilter: nft_flowtable.sh: Add IPIP flowtable selftest Precedence: bulk X-Mailing-List: netfilter-devel@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: <20251021-nf-flowtable-ipip-v7-3-a45214896106@kernel.org> References: <20251021-nf-flowtable-ipip-v7-0-a45214896106@kernel.org> In-Reply-To: <20251021-nf-flowtable-ipip-v7-0-a45214896106@kernel.org> 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 specific selftest for IPIP flowtable SW acceleration in nft_flowtable.sh Signed-off-by: Lorenzo Bianconi --- .../selftests/net/netfilter/nft_flowtable.sh | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/tools/testing/selftests/net/netfilter/nft_flowtable.sh b/tools/testing/selftests/net/netfilter/nft_flowtable.sh index 45832df982950c2164dcb6637497870f0d3daefe..e1434611464b3a8f5056e09a831180fa1bff7139 100755 --- a/tools/testing/selftests/net/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/net/netfilter/nft_flowtable.sh @@ -558,6 +558,44 @@ if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 ""; then ip netns exec "$nsr1" nft list ruleset fi +# IPIP tunnel test: +# Add IPIP tunnel interfaces and check flowtable acceleration. +test_ipip() { +if ! ip -net "$nsr1" link add name tun0 type ipip \ + local 192.168.10.1 remote 192.168.10.2 >/dev/null;then + echo "SKIP: could not add ipip tunnel" + [ "$ret" -eq 0 ] && ret=$ksft_skip + return +fi +ip -net "$nsr1" link set tun0 up +ip -net "$nsr1" addr add 192.168.100.1/24 dev tun0 +ip netns exec "$nsr1" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null + +ip -net "$nsr2" link add name tun0 type ipip local 192.168.10.2 remote 192.168.10.1 +ip -net "$nsr2" link set tun0 up +ip -net "$nsr2" addr add 192.168.100.2/24 dev tun0 +ip netns exec "$nsr2" sysctl net.ipv4.conf.tun0.forwarding=1 > /dev/null + +ip -net "$nsr1" route change default via 192.168.100.2 +ip -net "$nsr2" route change default via 192.168.100.1 +ip -net "$ns2" route add default via 10.0.2.1 + +ip netns exec "$nsr1" nft -a insert rule inet filter forward 'meta oif tun0 accept' +ip netns exec "$nsr1" nft -a insert rule inet filter forward \ + 'meta oif "veth0" tcp sport 12345 ct mark set 1 flow add @f1 counter name routed_repl accept' + +if ! test_tcp_forwarding_nat "$ns1" "$ns2" 1 "IPIP tunnel"; then + echo "FAIL: flow offload for ns1/ns2 with IPIP tunnel" 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 "$nsr2" route change default via 192.168.10.1 +ip -net "$ns2" route del default via 10.0.2.1 +} + # Another test: # Add bridge interface br0 to Router1, with NAT enabled. test_bridge() { @@ -643,6 +681,8 @@ ip -net "$nsr1" addr add dead:1::1/64 dev veth0 nodad ip -net "$nsr1" link set up dev veth0 } +test_ipip + test_bridge KEY_SHA="0x"$(ps -af | sha1sum | cut -d " " -f 1) -- 2.51.0