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Commit 99c9b084 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

selftests: mlxsw: Add a test for VxLAN configuration 



Test various aspects of VxLAN offloading which are specific to mlxsw,
such as sanitization of invalid configurations and offload indication.

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 3485f87c

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

0 → 100755
+664 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0

#

# Test various aspects of VxLAN offloading which are specific to mlxsw, such

# as sanitization of invalid configurations and offload indication.



lib_dir=$(dirname $0)/../../../net/forwarding



ALL_TESTS="sanitization_test offload_indication_test"

NUM_NETIFS=2

source $lib_dir/lib.sh



setup_prepare()

{

	swp1=${NETIFS[p1]}

	swp2=${NETIFS[p2]}



	ip link set dev $swp1 up

	ip link set dev $swp2 up

}



cleanup()

{

	pre_cleanup



	ip link set dev $swp2 down

	ip link set dev $swp1 down

}



sanitization_single_dev_test_pass()

{

	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev vxlan0 master br0

	check_err $?



	ip link set dev $swp1 nomaster



	ip link set dev $swp1 master br0

	check_err $?

}



sanitization_single_dev_test_fail()

{

	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev vxlan0 master br0 &> /dev/null

	check_fail $?



	ip link set dev $swp1 nomaster



	ip link set dev vxlan0 master br0

	check_err $?

	ip link set dev $swp1 master br0 &> /dev/null

	check_fail $?

}



sanitization_single_dev_valid_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_pass



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device - valid configuration"

}



sanitization_single_dev_vlan_aware_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0 vlan_filtering 1



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with a vlan-aware bridge"

}



sanitization_single_dev_mcast_enabled_test()

{

	RET=0



	ip link add dev br0 type bridge



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with a multicast enabled bridge"

}



sanitization_single_dev_mcast_group_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789 \

		dev $swp2 group 239.0.0.1



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with a multicast group"

}



sanitization_single_dev_no_local_ip_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with no local ip"

}



sanitization_single_dev_local_ipv6_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 2001:db8::1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with local ipv6 address"

}



sanitization_single_dev_learning_enabled_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with learning enabled"

}



sanitization_single_dev_local_interface_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789 dev $swp2



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with local interface"

}



sanitization_single_dev_port_range_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789 \

		srcport 4000 5000



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with udp source port range"

}



sanitization_single_dev_tos_static_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos 20 local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with static tos"

}



sanitization_single_dev_ttl_inherit_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl inherit tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with inherit ttl"

}



sanitization_single_dev_udp_checksum_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0



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

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_single_dev_test_fail



	ip link del dev vxlan0

	ip link del dev br0



	log_test "vxlan device with udp checksum"

}



sanitization_single_dev_test()

{

	# These tests make sure that we correctly sanitize VxLAN device

	# configurations we do not support

	sanitization_single_dev_valid_test

	sanitization_single_dev_vlan_aware_test

	sanitization_single_dev_mcast_enabled_test

	sanitization_single_dev_mcast_group_test

	sanitization_single_dev_no_local_ip_test

	sanitization_single_dev_local_ipv6_test

	sanitization_single_dev_learning_enabled_test

	sanitization_single_dev_local_interface_test

	sanitization_single_dev_port_range_test

	sanitization_single_dev_tos_static_test

	sanitization_single_dev_ttl_inherit_test

	sanitization_single_dev_udp_checksum_test

}



sanitization_multi_devs_test_pass()

{

	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev vxlan0 master br0

	check_err $?

	ip link set dev $swp2 master br1

	check_err $?

	ip link set dev vxlan1 master br1

	check_err $?



	ip link set dev $swp2 nomaster

	ip link set dev $swp1 nomaster



	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev $swp2 master br1

	check_err $?

}



sanitization_multi_devs_test_fail()

{

	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev vxlan0 master br0

	check_err $?

	ip link set dev $swp2 master br1

	check_err $?

	ip link set dev vxlan1 master br1 &> /dev/null

	check_fail $?



	ip link set dev $swp2 nomaster

	ip link set dev $swp1 nomaster



	ip link set dev vxlan1 master br1

	check_err $?

	ip link set dev $swp1 master br0

	check_err $?

	ip link set dev $swp2 master br1 &> /dev/null

	check_fail $?

}



sanitization_multi_devs_valid_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0

	ip link add dev br1 type bridge mcast_snooping 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 add name vxlan1 up type vxlan id 20 nolearning noudpcsum \

		ttl 20 tos inherit local 198.51.100.1 dstport 4789



	sanitization_multi_devs_test_pass



	ip link del dev vxlan1

	ip link del dev vxlan0

	ip link del dev br1

	ip link del dev br0



	log_test "multiple vxlan devices - valid configuration"

}



sanitization_multi_devs_ttl_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0

	ip link add dev br1 type bridge mcast_snooping 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 add name vxlan1 up type vxlan id 20 nolearning noudpcsum \

		ttl 40 tos inherit local 198.51.100.1 dstport 4789



	sanitization_multi_devs_test_fail



	ip link del dev vxlan1

	ip link del dev vxlan0

	ip link del dev br1

	ip link del dev br0



	log_test "multiple vxlan devices with different ttl"

}



sanitization_multi_devs_udp_dstport_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0

	ip link add dev br1 type bridge mcast_snooping 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 add name vxlan1 up type vxlan id 20 nolearning noudpcsum \

		ttl 20 tos inherit local 198.51.100.1 dstport 5789



	sanitization_multi_devs_test_fail



	ip link del dev vxlan1

	ip link del dev vxlan0

	ip link del dev br1

	ip link del dev br0



	log_test "multiple vxlan devices with different udp destination port"

}



sanitization_multi_devs_local_ip_test()

{

	RET=0



	ip link add dev br0 type bridge mcast_snooping 0

	ip link add dev br1 type bridge mcast_snooping 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 add name vxlan1 up type vxlan id 20 nolearning noudpcsum \

		ttl 20 tos inherit local 198.51.100.2 dstport 4789



	sanitization_multi_devs_test_fail



	ip link del dev vxlan1

	ip link del dev vxlan0

	ip link del dev br1

	ip link del dev br0



	log_test "multiple vxlan devices with different local ip"

}



sanitization_multi_devs_test()

{

	# The device has a single VTEP, which means all the VxLAN devices

	# we offload must share certain properties such as source IP and

	# UDP destination port. These tests make sure that we forbid

	# configurations that violate this limitation

	sanitization_multi_devs_valid_test

	sanitization_multi_devs_ttl_test

	sanitization_multi_devs_udp_dstport_test

	sanitization_multi_devs_local_ip_test

}



sanitization_test()

{

	sanitization_single_dev_test

	sanitization_multi_devs_test

}



offload_indication_setup_create()

{

	# Create a simple setup with two bridges, each with a VxLAN device

	# and one local port

	ip link add name br0 up type bridge mcast_snooping 0

	ip link add name br1 up type bridge mcast_snooping 0



	ip link set dev $swp1 master br0

	ip link set dev $swp2 master br1



	ip address add 198.51.100.1/32 dev lo



	ip link add name vxlan0 up master br0 type vxlan id 10 nolearning \

		noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789

	ip link add name vxlan1 up master br1 type vxlan id 20 nolearning \

		noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789

}



offload_indication_setup_destroy()

{

	ip link del dev vxlan1

	ip link del dev vxlan0



	ip address del 198.51.100.1/32 dev lo



	ip link set dev $swp2 nomaster

	ip link set dev $swp1 nomaster



	ip link del dev br1

	ip link del dev br0

}



offload_indication_fdb_flood_test()

{

	RET=0



	bridge fdb append 00:00:00:00:00:00 dev vxlan0 self dst 198.51.100.2



	bridge fdb show brport vxlan0 | grep 00:00:00:00:00:00 \

		| grep -q offload

	check_err $?



	bridge fdb del 00:00:00:00:00:00 dev vxlan0 self



	log_test "vxlan flood entry offload indication"

}



offload_indication_fdb_bridge_test()

{

	RET=0



	bridge fdb add de:ad:be:ef:13:37 dev vxlan0 self master static \

		dst 198.51.100.2



	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep self \

		| grep -q offload

	check_err $?

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep -v self \

		| grep -q offload

	check_err $?



	log_test "vxlan entry offload indication - initial state"



	# Remove FDB entry from the bridge driver and check that corresponding

	# entry in the VxLAN driver is not marked as offloaded

	RET=0



	bridge fdb del de:ad:be:ef:13:37 dev vxlan0 master

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep self \

		| grep -q offload

	check_fail $?



	log_test "vxlan entry offload indication - after removal from bridge"



	# Add the FDB entry back to the bridge driver and make sure it is

	# marked as offloaded in both drivers

	RET=0



	bridge fdb add de:ad:be:ef:13:37 dev vxlan0 master static

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep self \

		| grep -q offload

	check_err $?

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep -v self \

		| grep -q offload

	check_err $?



	log_test "vxlan entry offload indication - after re-add to bridge"



	# Remove FDB entry from the VxLAN driver and check that corresponding

	# entry in the bridge driver is not marked as offloaded

	RET=0



	bridge fdb del de:ad:be:ef:13:37 dev vxlan0 self

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep -v self \

		| grep -q offload

	check_fail $?



	log_test "vxlan entry offload indication - after removal from vxlan"



	# Add the FDB entry back to the VxLAN driver and make sure it is

	# marked as offloaded in both drivers

	RET=0



	bridge fdb add de:ad:be:ef:13:37 dev vxlan0 self dst 198.51.100.2

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep self \

		| grep -q offload

	check_err $?

	bridge fdb show brport vxlan0 | grep de:ad:be:ef:13:37 | grep -v self \

		| grep -q offload

	check_err $?



	log_test "vxlan entry offload indication - after re-add to vxlan"



	bridge fdb del de:ad:be:ef:13:37 dev vxlan0 self master

}



offload_indication_fdb_test()

{

	offload_indication_fdb_flood_test

	offload_indication_fdb_bridge_test

}



offload_indication_decap_route_test()

{

	RET=0



	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link set dev vxlan0 down

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link set dev vxlan1 down

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_fail $?



	log_test "vxlan decap route - vxlan device down"



	RET=0



	ip link set dev vxlan1 up

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link set dev vxlan0 up

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	log_test "vxlan decap route - vxlan device up"



	RET=0



	ip address delete 198.51.100.1/32 dev lo

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_fail $?



	ip address add 198.51.100.1/32 dev lo

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	log_test "vxlan decap route - add local route"



	RET=0



	ip link set dev $swp1 nomaster

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link set dev $swp2 nomaster

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_fail $?



	ip link set dev $swp1 master br0

	ip link set dev $swp2 master br1

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	log_test "vxlan decap route - local ports enslavement"



	RET=0



	ip link del dev br0

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link del dev br1

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_fail $?



	log_test "vxlan decap route - bridge device deletion"



	RET=0



	ip link add name br0 up type bridge mcast_snooping 0

	ip link add name br1 up type bridge mcast_snooping 0

	ip link set dev $swp1 master br0

	ip link set dev $swp2 master br1

	ip link set dev vxlan0 master br0

	ip link set dev vxlan1 master br1

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link del dev vxlan0

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_err $?



	ip link del dev vxlan1

	ip route show table local | grep 198.51.100.1 | grep -q offload

	check_fail $?



	log_test "vxlan decap route - vxlan device deletion"



	ip link add name vxlan0 up master br0 type vxlan id 10 nolearning \

		noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789

	ip link add name vxlan1 up master br1 type vxlan id 20 nolearning \

		noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789

}



offload_indication_test()

{

	offload_indication_setup_create

	offload_indication_fdb_test

	offload_indication_decap_route_test

	offload_indication_setup_destroy

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS