selftests: forwarding: Add a test case for externally learned FDB entries

Test that externally learned FDB entries can roam, but not age out.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh b/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh
index 04c6431..b90dff8 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
-ALL_TESTS="ping_ipv4 ping_ipv6 learning flooding vlan_deletion"
+ALL_TESTS="ping_ipv4 ping_ipv6 learning flooding vlan_deletion extern_learn"
 NUM_NETIFS=4
 CHECK_TC="yes"
 source lib.sh
@@ -109,6 +109,38 @@ vlan_deletion()
        ping_ipv6
 }
 
+extern_learn()
+{
+       local mac=de:ad:be:ef:13:37
+       local ageing_time
+
+       # Test that externally learned FDB entries can roam, but not age out
+       RET=0
+
+       bridge fdb add de:ad:be:ef:13:37 dev $swp1 master extern_learn vlan 1
+
+       bridge fdb show brport $swp1 | grep -q de:ad:be:ef:13:37
+       check_err $? "Did not find FDB entry when should"
+
+       # Wait for 10 seconds after the ageing time to make sure the FDB entry
+       # was not aged out
+       ageing_time=$(bridge_ageing_time_get br0)
+       sleep $((ageing_time + 10))
+
+       bridge fdb show brport $swp1 | grep -q de:ad:be:ef:13:37
+       check_err $? "FDB entry was aged out when should not"
+
+       $MZ $h2 -c 1 -p 64 -a $mac -t ip -q
+
+       bridge fdb show brport $swp2 | grep -q de:ad:be:ef:13:37
+       check_err $? "FDB entry did not roam when should"
+
+       log_test "Externally learned FDB entry - ageing & roaming"
+
+       bridge fdb del de:ad:be:ef:13:37 dev $swp2 master vlan 1 &> /dev/null
+       bridge fdb del de:ad:be:ef:13:37 dev $swp1 master vlan 1 &> /dev/null
+}
+
 trap cleanup EXIT
 
 setup_prepare