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Commit 9d15dceb authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

selftests: mlxsw: Add a test case for L3 VNI 



Previous patch added the ability to offload a VXLAN tunnel used for L3
VNI when it is present in the VLAN-aware bridge before the corresponding
VLAN interface is configured. This patch adds a test case to verify
that.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f40be47a

tools/testing/selftests/drivers/net/mlxsw/vxlan.sh

+60 −0
Original line number Diff line number Diff line
@@ -1021,6 +1021,65 @@ offload_indication_vlan_aware_join_vxlan_last() 
	ip link del dev br0

}



offload_indication_vlan_aware_l3vni_test()

{

	local zmac=00:00:00:00:00:00



	RET=0



	sysctl_set net.ipv6.conf.default.disable_ipv6 1

	ip link add dev br0 up type bridge mcast_snooping 0 \

		vlan_filtering 1 vlan_default_pvid 0

	ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	ip link set dev $swp1 master br0



	# The test will use the offload indication on the FDB entry to

	# understand if the tunnel is offloaded or not

	bridge fdb append $zmac dev vxlan0 self dst 192.0.2.1



	ip link set dev vxlan0 master br0

	bridge vlan add dev vxlan0 vid 10 pvid untagged



	# No local port or router port is member in the VLAN, so tunnel should

	# not be offloaded

	bridge fdb show brport vxlan0 | grep $zmac | grep self \

		| grep -q offload

	check_fail $? "vxlan tunnel offloaded when should not"



	# Configure a VLAN interface and make sure tunnel is offloaded

	ip link add link br0 name br10 up type vlan id 10

	sysctl_set net.ipv6.conf.br10.disable_ipv6 0

	ip -6 address add 2001:db8:1::1/64 dev br10

	bridge fdb show brport vxlan0 | grep $zmac | grep self \

		| grep -q offload

	check_err $? "vxlan tunnel not offloaded when should"



	# Unlink the VXLAN device, make sure tunnel is no longer offloaded,

	# then add it back to the bridge and make sure it is offloaded

	ip link set dev vxlan0 nomaster

	bridge fdb show brport vxlan0 | grep $zmac | grep self \

		| grep -q offload

	check_fail $? "vxlan tunnel offloaded after unlinked from bridge"



	ip link set dev vxlan0 master br0

	bridge fdb show brport vxlan0 | grep $zmac | grep self \

		| grep -q offload

	check_fail $? "vxlan tunnel offloaded despite no matching vid"



	bridge vlan add dev vxlan0 vid 10 pvid untagged

	bridge fdb show brport vxlan0 | grep $zmac | grep self \

		| grep -q offload

	check_err $? "vxlan tunnel not offloaded after adding vid"



	log_test "vxlan - l3 vni"



	ip link del dev vxlan0

	ip link del dev br0

	sysctl_restore net.ipv6.conf.default.disable_ipv6

}



offload_indication_vlan_aware_test()

{

	offload_indication_vlan_aware_setup_create
@@ -1031,6 +1090,7 @@ offload_indication_vlan_aware_test() 
	log_info "offload indication - replay & cleanup - vlan aware"

	offload_indication_vlan_aware_join_vxlan_first

	offload_indication_vlan_aware_join_vxlan_last

	offload_indication_vlan_aware_l3vni_test

}



trap cleanup EXIT