Commit c39c56a8 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

selftests: forwarding: vxlan_bridge_1d: Add learning test 



Add a test which checks that the VxLAN driver can learn FDB entries and
that these entries are correctly deleted and aged-out.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent dbd4485a

tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh

+108 −0
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ export VXPORT 
	ping_ipv4

	test_flood

	test_unicast

	test_learning

    "}



NUM_NETIFS=6
@@ -663,6 +664,113 @@ test_ecn_decap() 
	test_ecn_decap_error

}



test_learning()

{

	local mac=de:ad:be:ef:13:37

	local dst=192.0.2.100



	# Enable learning on the VxLAN device and set ageing time to 10 seconds

	ip link set dev br1 type bridge ageing_time 1000

	ip link set dev vx1 type vxlan ageing 10

	ip link set dev vx1 type vxlan learning

	reapply_config



	# Check that flooding works

	RET=0



	vxlan_flood_test $mac $dst 10 10 10



	log_test "VXLAN: flood before learning"



	# Send a packet with source mac set to $mac from host w2 and check that

	# a corresponding entry is created in VxLAN device vx1

	RET=0



	in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \

		-t icmp -q

	sleep 1



	bridge fdb show brport vx1 | grep $mac | grep -q self

	check_err $?

	bridge fdb show brport vx1 | grep $mac | grep -q -v self

	check_err $?



	log_test "VXLAN: show learned FDB entry"



	# Repeat first test and check that packets only reach host w2 in ns1

	RET=0



	vxlan_flood_test $mac $dst 0 10 0



	log_test "VXLAN: learned FDB entry"



	# Delete the learned FDB entry from the VxLAN and bridge devices and

	# check that packets are flooded

	RET=0



	bridge fdb del dev vx1 $mac master self

	sleep 1



	vxlan_flood_test $mac $dst 10 10 10



	log_test "VXLAN: deletion of learned FDB entry"



	# Re-learn the first FDB entry and check that it is correctly aged-out

	RET=0



	in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \

		-t icmp -q

	sleep 1



	bridge fdb show brport vx1 | grep $mac | grep -q self

	check_err $?

	bridge fdb show brport vx1 | grep $mac | grep -q -v self

	check_err $?



	vxlan_flood_test $mac $dst 0 10 0



	sleep 20



	bridge fdb show brport vx1 | grep $mac | grep -q self

	check_fail $?

	bridge fdb show brport vx1 | grep $mac | grep -q -v self

	check_fail $?



	vxlan_flood_test $mac $dst 10 10 10



	log_test "VXLAN: Ageing of learned FDB entry"



	# Toggle learning on the bridge port and check that the bridge's FDB

	# is populated only when it should

	RET=0



	ip link set dev vx1 type bridge_slave learning off



	in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \

		-t icmp -q

	sleep 1



	bridge fdb show brport vx1 | grep $mac | grep -q -v self

	check_fail $?



	ip link set dev vx1 type bridge_slave learning on



	in_ns ns1 $MZ w2 -c 1 -p 64 -a $mac -b ff:ff:ff:ff:ff:ff -B $dst \

		-t icmp -q

	sleep 1



	bridge fdb show brport vx1 | grep $mac | grep -q -v self

	check_err $?



	log_test "VXLAN: learning toggling on bridge port"



	# Restore previous settings

	ip link set dev vx1 type vxlan nolearning

	ip link set dev vx1 type vxlan ageing 300

	ip link set dev br1 type bridge ageing_time 30000

	reapply_config

}



test_all()

{

	echo "Running tests with UDP port $VXPORT"

CRA Git | Maintained and supported by SUSTech CRA and CCSE