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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Xiao Liang , Kuniyuki Iwashima , Alexander Lobakin , Stanislav Fomichev , Venkat Venkatsubra , Etienne Champetier , Di Zhu , Nikolay Aleksandrov , Travis Brown , Suresh Krishnan , linux-kselftest@vger.kernel.org, Hangbin Liu Subject: [PATCH net 3/3] selftests/rtnetlink.sh: add vlan/ipvlan/macvlan link state test Date: Thu, 3 Apr 2025 08:58:57 +0000 Message-ID: <20250403085857.17868-4-liuhangbin@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250403085857.17868-1-liuhangbin@gmail.com> References: <20250403085857.17868-1-liuhangbin@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add tests to create vlan/ipvlan/macvlan over a bond interface and move them to a separate network namespace. Verify that the upper link state correctly reflects the lower-layer link state. # ./rtnetlink.sh -t "kci_test_vlan kci_test_ipvlan kci_test_macvlan" PASS: vlan link state correct PASS: ipvlan link state correct PASS: macvlan link state correct Signed-off-by: Hangbin Liu --- tools/testing/selftests/net/rtnetlink.sh | 64 ++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index 2e8243a65b50..de2f5bed8777 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -30,6 +30,9 @@ ALL_TESTS=" kci_test_address_proto kci_test_enslave_bonding kci_test_mngtmpaddr + kci_test_vlan + kci_test_ipvlan + kci_test_macvlan " devdummy="test-dummy0" @@ -1334,6 +1337,67 @@ kci_test_mngtmpaddr() return $ret } +kci_test_link_state() +{ + local test_link=$(mktemp -u test_link-XXX) + local bond=$(mktemp -u bond-XXX) + local link_param=$2 + local link_type=$1 + local ret=0 + + setup_ns testns + if [ $? -ne 0 ]; then + end_test "SKIP ${link_type} netns tests: cannot add net namespace $testns" + return $ksft_skip + fi + + # 1. Test link state over bond + run_cmd ip link add dev $bond type bond mode active-backup miimon 10 + run_cmd ip link set dev ${devdummy} down + run_cmd ip link set dev ${devdummy} master $bond + run_cmd ip link set dev ${bond} up + run_cmd ip link add link ${bond} name ${test_link} type ${link_type} ${link_param} + run_cmd ip link set ${test_link} up + run_cmd ip link set ${devdummy} down + run_cmd_grep_fail "LOWER_UP" ip link show dev ${test_link} + run_cmd ip link set ${devdummy} up + run_cmd_grep "LOWER_UP" ip link show dev ${test_link} + + # 2. Test link state over bond in netns + run_cmd ip link set ${test_link} netns ${testns} + run_cmd ip -n ${testns} link set ${test_link} up + run_cmd ip link set ${devdummy} down + run_cmd_grep_fail "LOWER_UP" ip -n ${testns} link show dev ${test_link} + run_cmd ip link set ${devdummy} up + run_cmd_grep "LOWER_UP" ip -n ${testns} link show dev ${test_link} + ip -n ${testns} link del ${test_link} + + if [ $ret -ne 0 ]; then + end_test "FAIL: ${link_type} link state incorrect" + else + end_test "PASS: ${link_type} link state correct" + fi + + ip netns del "$testns" + ip link del dev ${bond} + return $ret +} + +kci_test_vlan() +{ + kci_test_link_state "vlan" "id 2" +} + +kci_test_ipvlan() +{ + kci_test_link_state "ipvlan" "mode l2" +} + +kci_test_macvlan() +{ + kci_test_link_state "macvlan" "mode bridge" +} + kci_test_rtnl() { local current_test