From patchwork Fri Nov 24 09:27:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hangbin Liu X-Patchwork-Id: 13467321 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BTTxFE8y" Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8775BD7E; Fri, 24 Nov 2023 01:30:28 -0800 (PST) Received: by mail-pl1-x632.google.com with SMTP id d9443c01a7336-1cfa71b6029so1505475ad.1; Fri, 24 Nov 2023 01:30:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700818227; x=1701423027; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=lICGImIE5QPzZcV5jTeHNXXYF+F46SMqD6db1vLgX20=; b=BTTxFE8yRSu7PjK1Qmbs0GquP3lheKAHHmRfUiKUUZz9UJOKx0oi7UR9I8VVDnHuuC O7btNLsGEycrsnfw6BljnhwMfVQl5jPL1pel1IDo8y06zOAi+H4IgaUNlZ1AxWzrv6R7 t/GyMk5rVbAvtpGAYeGZRE8yqRRZCsfhCgRyTReUjXUKcumu8qwHkQXPphBtb4KEo4Lb yduPS7kNi+/qe7K/sadlWouUpV027QP2t5j7PWvD3J6DHoKu2qRS6V6QlIw2kLweOu5u tkQ7g7Ky17+oJ3G9DTql32Z9a5aa2EIr+7idGdo4KY2Tq/Gq7YXLoZkJ363/ho29aq6e /6cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700818227; x=1701423027; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lICGImIE5QPzZcV5jTeHNXXYF+F46SMqD6db1vLgX20=; b=gwbsoSR3qDbvlf4gJP9nG7SLkXBgG+0HMd5CnH4lWK8xsDyRFXEX0yELHna2bsl21O +4wojysXbA4zzSL96Qo/HV86pZFzke92mD5vGHcaAEvlCS/aOqoV/BtRU6h5lh2vvi4S 6qRuLQHuJDM7wMour23TERO7ksMsE7DF1OZvQqwvx4WfudxdCFP44ezx8p5xPEBTZiRO YB7qD8fVJx6/CpaIBkxfTZE9GL2vOFA7YDsjwJ06FsS2AuGAbJwmKERtNS2HEOhykMzQ 8t/XfG1tVG0P8FPvVpl1qkk3CRILSm6a0pt1WTzz//fIIWosveDrvHQMq3NlOyvJz/VU xkQQ== X-Gm-Message-State: AOJu0YwEZbPh8KV8bpSpUsAuZG5yOKYOg59+Lgetyrwhfwj4pDU9BlqD ihW/DAxfIPMV4E8PEl7dbgP7hCQg5rEgi6bo X-Google-Smtp-Source: AGHT+IGsDzikwLLnc4OLlkR8SQCGFlkswo6PGasZMHx938Pnhs3QHHiVZkPSEnV6W2pKQKjEdNyDhQ== X-Received: by 2002:a17:903:2303:b0:1cf:9400:d840 with SMTP id d3-20020a170903230300b001cf9400d840mr2134441plh.52.1700818227601; Fri, 24 Nov 2023 01:30:27 -0800 (PST) Received: from Laptop-X1.redhat.com ([43.228.180.230]) by smtp.gmail.com with ESMTPSA id o10-20020a170902d4ca00b001cfacc54674sm32679plg.106.2023.11.24.01.30.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Nov 2023 01:30:26 -0800 (PST) From: Hangbin Liu To: netdev@vger.kernel.org Cc: "David S. Miller" , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Shuah Khan , David Ahern , linux-kselftest@vger.kernel.org, Po-Hsu Lin , Guillaume Nault , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Ryan Roberts , Andrew Morton , Mark Brown , Luis Chamberlain , Hangbin Liu Subject: [PATCH net-next 36/38] selftests/net: convert traceroute.sh to run it in unique namespace Date: Fri, 24 Nov 2023 17:27:34 +0800 Message-ID: <20231124092736.3673263-37-liuhangbin@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231124092736.3673263-1-liuhangbin@gmail.com> References: <20231124092736.3673263-1-liuhangbin@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Here is the test result after conversion. ]# ./traceroute.sh TEST: IPV6 traceroute [ OK ] TEST: IPV4 traceroute [ OK ] Tests passed: 2 Tests failed: 0 Signed-off-by: Hangbin Liu --- tools/testing/selftests/net/traceroute.sh | 82 ++++++++++------------- 1 file changed, 36 insertions(+), 46 deletions(-) diff --git a/tools/testing/selftests/net/traceroute.sh b/tools/testing/selftests/net/traceroute.sh index de9ca97abc30..282f14760940 100755 --- a/tools/testing/selftests/net/traceroute.sh +++ b/tools/testing/selftests/net/traceroute.sh @@ -4,6 +4,7 @@ # Run traceroute/traceroute6 tests # +source lib.sh VERBOSE=0 PAUSE_ON_FAIL=no @@ -69,9 +70,6 @@ create_ns() [ -z "${addr}" ] && addr="-" [ -z "${addr6}" ] && addr6="-" - ip netns add ${ns} - - ip netns exec ${ns} ip link set lo up if [ "${addr}" != "-" ]; then ip netns exec ${ns} ip addr add dev lo ${addr} fi @@ -160,12 +158,7 @@ connect_ns() cleanup_traceroute6() { - local ns - - for ns in host-1 host-2 router-1 router-2 - do - ip netns del ${ns} 2>/dev/null - done + cleanup_ns $h1 $h2 $r1 $r2 } setup_traceroute6() @@ -176,33 +169,34 @@ setup_traceroute6() cleanup_traceroute6 set -e - create_ns host-1 - create_ns host-2 - create_ns router-1 - create_ns router-2 + setup_ns h1 h2 r1 r2 + create_ns $h1 + create_ns $h2 + create_ns $r1 + create_ns $r2 # Setup N3 - connect_ns router-2 eth3 - 2000:103::2/64 host-2 eth3 - 2000:103::4/64 - ip netns exec host-2 ip route add default via 2000:103::2 + connect_ns $r2 eth3 - 2000:103::2/64 $h2 eth3 - 2000:103::4/64 + ip netns exec $h2 ip route add default via 2000:103::2 # Setup N2 - connect_ns router-1 eth2 - 2000:102::1/64 router-2 eth2 - 2000:102::2/64 - ip netns exec router-1 ip route add default via 2000:102::2 + connect_ns $r1 eth2 - 2000:102::1/64 $r2 eth2 - 2000:102::2/64 + ip netns exec $r1 ip route add default via 2000:102::2 # Setup N1. host-1 and router-2 connect to a bridge in router-1. - ip netns exec router-1 ip link add name ${brdev} type bridge - ip netns exec router-1 ip link set ${brdev} up - ip netns exec router-1 ip addr add 2000:101::1/64 dev ${brdev} + ip netns exec $r1 ip link add name ${brdev} type bridge + ip netns exec $r1 ip link set ${brdev} up + ip netns exec $r1 ip addr add 2000:101::1/64 dev ${brdev} - connect_ns host-1 eth0 - 2000:101::3/64 router-1 eth0 - - - ip netns exec router-1 ip link set dev eth0 master ${brdev} - ip netns exec host-1 ip route add default via 2000:101::1 + connect_ns $h1 eth0 - 2000:101::3/64 $r1 eth0 - - + ip netns exec $r1 ip link set dev eth0 master ${brdev} + ip netns exec $h1 ip route add default via 2000:101::1 - connect_ns router-2 eth1 - 2000:101::2/64 router-1 eth1 - - - ip netns exec router-1 ip link set dev eth1 master ${brdev} + connect_ns $r2 eth1 - 2000:101::2/64 $r1 eth1 - - + ip netns exec $r1 ip link set dev eth1 master ${brdev} # Prime the network - ip netns exec host-1 ping6 -c5 2000:103::4 >/dev/null 2>&1 + ip netns exec $h1 ping6 -c5 2000:103::4 >/dev/null 2>&1 set +e } @@ -217,7 +211,7 @@ run_traceroute6() setup_traceroute6 # traceroute6 host-2 from host-1 (expects 2000:102::2) - run_cmd host-1 "traceroute6 2000:103::4 | grep -q 2000:102::2" + run_cmd $h1 "traceroute6 2000:103::4 | grep -q 2000:102::2" log_test $? 0 "IPV6 traceroute" cleanup_traceroute6 @@ -240,12 +234,7 @@ run_traceroute6() cleanup_traceroute() { - local ns - - for ns in host-1 host-2 router - do - ip netns del ${ns} 2>/dev/null - done + cleanup_ns $h1 $h2 $router } setup_traceroute() @@ -254,24 +243,25 @@ setup_traceroute() cleanup_traceroute set -e - create_ns host-1 - create_ns host-2 - create_ns router + setup_ns h1 h2 router + create_ns $h1 + create_ns $h2 + create_ns $router - connect_ns host-1 eth0 1.0.1.3/24 - \ - router eth1 1.0.3.1/24 - - ip netns exec host-1 ip route add default via 1.0.1.1 + connect_ns $h1 eth0 1.0.1.3/24 - \ + $router eth1 1.0.3.1/24 - + ip netns exec $h1 ip route add default via 1.0.1.1 - ip netns exec router ip addr add 1.0.1.1/24 dev eth1 - ip netns exec router sysctl -qw \ + ip netns exec $router ip addr add 1.0.1.1/24 dev eth1 + ip netns exec $router sysctl -qw \ net.ipv4.icmp_errors_use_inbound_ifaddr=1 - connect_ns host-2 eth0 1.0.2.4/24 - \ - router eth2 1.0.2.1/24 - - ip netns exec host-2 ip route add default via 1.0.2.1 + connect_ns $h2 eth0 1.0.2.4/24 - \ + $router eth2 1.0.2.1/24 - + ip netns exec $h2 ip route add default via 1.0.2.1 # Prime the network - ip netns exec host-1 ping -c5 1.0.2.4 >/dev/null 2>&1 + ip netns exec $h1 ping -c5 1.0.2.4 >/dev/null 2>&1 set +e } @@ -286,7 +276,7 @@ run_traceroute() setup_traceroute # traceroute host-2 from host-1 (expects 1.0.1.1). Takes a while. - run_cmd host-1 "traceroute 1.0.2.4 | grep -q 1.0.1.1" + run_cmd $h1 "traceroute 1.0.2.4 | grep -q 1.0.1.1" log_test $? 0 "IPV4 traceroute" cleanup_traceroute