This adds two simple tests around setting MAC addresses in the different netkit modes as well as syncing MTUs. Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx> --- .../selftests/bpf/prog_tests/tc_netkit.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/tc_netkit.c b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c index 15ee7b2fc410..598f9d5e656b 100644 --- a/tools/testing/selftests/bpf/prog_tests/tc_netkit.c +++ b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c @@ -73,6 +73,25 @@ static int create_netkit(int mode, int policy, int peer_policy, int *ifindex, "up primary"); ASSERT_OK(system("ip addr add dev " netkit_name " 10.0.0.1/24"), "addr primary"); + + ASSERT_OK(system("ip link set dev " netkit_name " mtu 4000"), + "set mtu"); + ASSERT_OK(system("ip link show dev " netkit_peer " | grep 4000 > /dev/null"), + "get mtu"); + ASSERT_OK(system("ip link set dev " netkit_peer " mtu 1500"), + "set mtu"); + ASSERT_OK(system("ip link show dev " netkit_peer " | grep 4000 > /dev/null"), + "get mtu"); + + if (mode == NETKIT_L3) { + ASSERT_EQ(system("ip link set dev " netkit_name + " addr ee:ff:bb:cc:aa:dd 2> /dev/null"), 512, + "set hwaddress"); + } else { + ASSERT_OK(system("ip link set dev " netkit_name + " addr ee:ff:bb:cc:aa:dd"), + "set hwaddress"); + } if (same_netns) { ASSERT_OK(system("ip link set dev " netkit_peer " up"), "up peer"); -- 2.34.1