[PATCH AUTOSEL 4.19 81/83] selftests: forwarding: Add a test case for externally learned FDB entries

Sasha Levin
2019-02-13T02:39:52Z

From: Ido Schimmel <idosch@mellanox.com>

[ Upstream commit 479a2b761d61c04e2ae97325aa391a8a8c99c23e ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../net/forwarding/bridge_vlan_aware.sh | 34 ++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh b/tools/testing/selftests/net/forwarding/bridge_vlan_aware.sh
index 04c6431b2bd8..b90dff8d3a94 100755
--- 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
--
2.19.1