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selftests: mlxsw: vxlan: Add test for error path

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Test that when two VXLAN tunnels with conflicting configurations (i.e.,
different TTL) are enslaved to the same VLAN-aware bridge, then the
enslavement of a port to the bridge is denied.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-02-17 16:29:40 +02:00 committed by David S. Miller
parent 58ba0238e9
commit 495c3da648
1 changed files with 20 additions and 0 deletions
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20
tools/testing/selftests/drivers/net/mlxsw/vxlan.sh
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@ -854,6 +854,26 @@ sanitization_vlan_aware_test()
bridge vlan del vid 10 dev vxlan20
bridge vlan add vid 20 dev vxlan20 pvid untagged
# Test that when two VXLAN tunnels with conflicting configurations
# (i.e., different TTL) are enslaved to the same VLAN-aware bridge,
# then the enslavement of a port to the bridge is denied.
# Use the offload indication of the local route to ensure the VXLAN
# configuration was correctly rollbacked.
ip address add 198.51.100.1/32 dev lo
ip link set dev vxlan10 type vxlan ttl 10
ip link set dev $swp1 master br0 &> /dev/null
check_fail $?
ip route show table local | grep 198.51.100.1 | grep -q offload
check_fail $?
log_test "vlan-aware - failed enslavement to bridge due to conflict"
ip link set dev vxlan10 type vxlan ttl 20
ip address del 198.51.100.1/32 dev lo
ip link del dev vxlan20
ip link del dev vxlan10
ip link del dev br0