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GET /api/1.2/patches/2233001/?format=api
{ "id": 2233001, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2233001/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260505124957.1239812-3-houminxi@gmail.com/", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/1.2/projects/47/?format=api", "name": "Open vSwitch", "link_name": "openvswitch", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "git@github.com:openvswitch/ovs.git", "webscm_url": "https://github.com/openvswitch/ovs", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260505124957.1239812-3-houminxi@gmail.com>", "list_archive_url": null, "date": "2026-05-05T12:49:57", "name": "[ovs-dev,net-next,v5,2/2] selftests: openvswitch: add pop_vlan test", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "c66da7ccbc18e46c18b533c35bff679710824995", "submitter": { "id": 93141, "url": "http://patchwork.ozlabs.org/api/1.2/people/93141/?format=api", "name": "Minxi Hou", "email": "houminxi@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260505124957.1239812-3-houminxi@gmail.com/mbox/", "series": [ { "id": 502837, "url": "http://patchwork.ozlabs.org/api/1.2/series/502837/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=502837", "date": "2026-05-05T12:49:55", "name": "selftests: openvswitch: add pop_vlan test", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/502837/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233001/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233001/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ovs-dev@lists.linuxfoundation.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=jyWbS3x0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::137; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "ovs-dev-bounces@openvswitch.org", "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>" }, "content": "Add test_pop_vlan() to verify OVS kernel datapath pop_vlan action\ncorrectly strips 802.1Q VLAN tags from frames.\n\nTest structure:\n- Baseline: untagged forwarding validates basic connectivity.\n- Negative: forward without pop_vlan, tagged frame is invisible\n to ns2 (no VLAN sub-interface), ping fails.\n- Positive: pop_vlan strips tag on forward path, push_vlan\n restores tag on return path, ping succeeds.\n\nUse static ARP entries to avoid VLAN-tagged ARP complexity.\nRely on ping success/failure for verification — no tcpdump or\npcap files needed.\n\nSigned-off-by: Minxi Hou <houminxi@gmail.com>\n---\n .../selftests/net/openvswitch/openvswitch.sh | 77 +++++++++++++++++++\n 1 file changed, 77 insertions(+)", "diff": "diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh\nindex b327d3061ed5..a64f4d515e83 100755\n--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh\n+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh\n@@ -27,6 +27,7 @@ tests=\"\n \tupcall_interfaces\t\t\tovs: test the upcall interfaces\n \ttunnel_metadata\t\t\t\tovs: test extraction of tunnel metadata\n \tdrop_reason\t\t\t\tdrop: test drop reasons are emitted\n+\tpop_vlan\t\t\t\tvlan: POP_VLAN action strips tag\n \tpsample\t\t\t\t\tpsample: Sampling packets with psample\"\n \n info() {\n@@ -830,6 +831,82 @@ test_tunnel_metadata() {\n \treturn 0\n }\n \n+test_pop_vlan() {\n+\tmodprobe -q 8021q 2>/dev/null || true\n+\t[ -d /sys/module/8021q ] || \\\n+\t\t{ info \"CONFIG_VLAN_8021Q missing\"; return $ksft_skip; }\n+\n+\tlocal sbx=\"test_pop_vlan\"\n+\tsbx_add \"$sbx\" || return $?\n+\tovs_add_dp \"$sbx\" vlandp || return 1\n+\n+\tovs_add_netns_and_veths \"$sbx\" vlandp \\\n+\t\tns1 veth1 ns1veth 192.0.2.1/24 || return 1\n+\tovs_add_netns_and_veths \"$sbx\" vlandp \\\n+\t\tns2 veth2 ns2veth 192.0.2.2/24 || return 1\n+\n+\t# Baseline: untagged bidirectional forwarding\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t'in_port(1),eth(),eth_type(0x0800),ipv4()' '2' || return 1\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t'in_port(2),eth(),eth_type(0x0800),ipv4()' '1' || return 1\n+\tovs_sbx \"$sbx\" ip netns exec ns1 ping -c 3 -W 2 \\\n+\t\t192.0.2.2 || return 1\n+\n+\t# VLAN topology: ns1 uses VLAN sub-interface, ns2 is plain\n+\tip -n ns1 link add link ns1veth name ns1veth.10 \\\n+\t\ttype vlan id 10 || return 1\n+\ton_exit \"ip -n ns1 link del ns1veth.10 2>/dev/null\"\n+\tip -n ns1 addr add 198.51.100.1/24 dev ns1veth.10 || return 1\n+\tip -n ns1 link set ns1veth.10 up || return 1\n+\tip -n ns2 addr add 198.51.100.2/24 dev ns2veth || return 1\n+\n+\tovs_del_flows \"$sbx\" vlandp\n+\n+\t# Static ARP: avoids VLAN-tagged ARP complexity\n+\tlocal ns1veth10mac ns2mac\n+\tns1veth10mac=$(ip -n ns1 link show ns1veth.10 \\\n+\t\t| awk '/link\\/ether/ {print $2}')\n+\tns2mac=$(ip -n ns2 link show ns2veth \\\n+\t\t| awk '/link\\/ether/ {print $2}')\n+\tip -n ns1 neigh replace 198.51.100.2 lladdr \"$ns2mac\" \\\n+\t\tdev ns1veth.10 nud permanent || return 1\n+\tip -n ns2 neigh replace 198.51.100.1 \\\n+\t\tlladdr \"$ns1veth10mac\" \\\n+\t\tdev ns2veth nud permanent || return 1\n+\n+\tlocal vlan_match='in_port(1),eth(),eth_type(0x8100),'\n+\tvlan_match+='vlan(vid=10),'\n+\tvlan_match+='encap(eth_type(0x0800),'\n+\tvlan_match+='ipv4(src=198.51.100.1,proto=1),icmp())'\n+\n+\t# Negative: forward without pop_vlan — tagged frame\n+\t# is invisible to ns2 (no VLAN sub-interface), ping fails\n+\tovs_add_flow \"$sbx\" vlandp \"$vlan_match\" '2' || return 1\n+\tovs_sbx \"$sbx\" ip netns exec ns1 ping -I ns1veth.10 \\\n+\t\t-c 3 -W 1 198.51.100.2 >/dev/null 2>&1 \\\n+\t\t&& { info \"FAIL: ping should fail without pop_vlan\"\n+\t\t return 1; }\n+\n+\tovs_del_flows \"$sbx\" vlandp\n+\n+\t# Positive: pop_vlan strips tag on forward path,\n+\t# push_vlan restores tag on return path — ping succeeds\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t\"$vlan_match\" 'pop_vlan,2' || return 1\n+\tovs_add_flow \"$sbx\" vlandp \\\n+\t\t'in_port(2),eth(),eth_type(0x0800),ipv4()' \\\n+\t\t'push_vlan(vid=10,pcp=0,tpid=0x8100),1' || return 1\n+\tovs_sbx \"$sbx\" ip netns exec ns1 ping -I ns1veth.10 \\\n+\t\t-c 3 -W 2 198.51.100.2 || return 1\n+\n+\treturn 0\n+}\n+\n run_test() {\n \t(\n \ttname=\"$1\"\n", "prefixes": [ "ovs-dev", "net-next", "v5", "2/2" ] }