selftests: mlxsw: Add Q-in-VNI veto tests

Add tests to ensure that the forbidden and unsupported cases are indeed
vetoed by mlxsw driver.

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

diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/q_in_vni_veto.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/q_in_vni_veto.sh
new file mode 100755 (executable)
index 0000000..0231205
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/q_in_vni_veto.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+lib_dir=$(dirname $0)/../../../../net/forwarding
+
+VXPORT=4789
+
+ALL_TESTS="
+       create_dot1d_and_dot1ad_vxlans
+"
+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 $swp1 down
+}
+
+create_dot1d_and_dot1ad_vxlans()
+{
+       RET=0
+
+       ip link add dev br0 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
+               vlan_default_pvid 0 mcast_snooping 0
+       ip link set dev br0 up
+
+       ip link add name vx100 type vxlan id 1000 local 192.0.2.17 dstport \
+               "$VXPORT" nolearning noudpcsum tos inherit ttl 100
+       ip link set dev vx100 up
+
+       ip link set dev $swp1 master br0
+       ip link set dev vx100 master br0
+       bridge vlan add vid 100 dev vx100 pvid untagged
+
+       ip link add dev br1 type bridge vlan_filtering 0 mcast_snooping 0
+       ip link set dev br1 up
+
+       ip link add name vx200 type vxlan id 2000 local 192.0.2.17 dstport \
+               "$VXPORT" nolearning noudpcsum tos inherit ttl 100
+       ip link set dev vx200 up
+
+       ip link set dev $swp2 master br1
+       ip link set dev vx200 master br1 2>/dev/null
+       check_fail $? "802.1d and 802.1ad VxLANs at the same time not rejected"
+
+       ip link set dev vx200 master br1 2>&1 >/dev/null \
+               | grep -q mlxsw_spectrum
+       check_err $? "802.1d and 802.1ad VxLANs at the same time rejected without extack"
+
+       log_test "create 802.1d and 802.1ad VxLANs"
+
+       ip link del dev vx200
+       ip link del dev br1
+       ip link del dev vx100
+       ip link del dev br0
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS

diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/q_in_vni_veto.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/q_in_vni_veto.sh
new file mode 100755 (executable)
index 0000000..f0443b1
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/q_in_vni_veto.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+lib_dir=$(dirname $0)/../../../../net/forwarding
+
+VXPORT=4789
+
+ALL_TESTS="
+       create_vxlan_on_top_of_8021ad_bridge
+"
+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 $swp1 down
+}
+
+create_vxlan_on_top_of_8021ad_bridge()
+{
+       RET=0
+
+       ip link add dev br0 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
+               vlan_default_pvid 0 mcast_snooping 0
+       ip link set dev br0 up
+
+       ip link add name vx100 type vxlan id 1000 local 192.0.2.17 dstport \
+               "$VXPORT" nolearning noudpcsum tos inherit ttl 100
+       ip link set dev vx100 up
+
+       ip link set dev $swp1 master br0
+       ip link set dev vx100 master br0
+
+       bridge vlan add vid 100 dev vx100 pvid untagged 2>/dev/null
+       check_fail $? "802.1ad bridge with VxLAN in Spectrum-1 not rejected"
+
+       bridge vlan add vid 100 dev vx100 pvid untagged 2>&1 >/dev/null \
+               | grep -q mlxsw_spectrum
+       check_err $? "802.1ad bridge with VxLAN in Spectrum-1 rejected without extack"
+
+       log_test "create VxLAN on top of 802.1ad bridge"
+
+       ip link del dev vx100
+       ip link del dev br0
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS