linux-zen-server/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh

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2023-08-30 17:53:23 +02:00
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test vetoing of FDB entries that mlxsw can not offload. This exercises several
# different veto vectors to test various rollback scenarios in the vxlan driver.
: ${LOCAL_IP:=198.51.100.1}
export LOCAL_IP
: ${REMOTE_IP_1:=198.51.100.2}
export REMOTE_IP_1
: ${REMOTE_IP_2:=198.51.100.3}
export REMOTE_IP_2
: ${UDPCSUM_FLAFS:=noudpcsum}
export UDPCSUM_FLAFS
: ${MC_IP:=224.0.0.1}
export MC_IP
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
fdb_create_veto_test
fdb_replace_veto_test
fdb_append_veto_test
fdb_changelink_veto_test
"
NUM_NETIFS=2
source $lib_dir/lib.sh
setup_prepare()
{
swp1=${NETIFS[p1]}
swp2=${NETIFS[p2]}
ip link add dev br0 type bridge mcast_snooping 0
ip link set dev $swp1 up
ip link set dev $swp1 master br0
ip link set dev $swp2 up
ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \
ttl 20 tos inherit local $LOCAL_IP dstport 4789
ip link set dev vxlan0 master br0
}
cleanup()
{
pre_cleanup
ip link set dev vxlan0 nomaster
ip link del dev vxlan0
ip link set dev $swp2 down
ip link set dev $swp1 nomaster
ip link set dev $swp1 down
ip link del dev br0
}
fdb_create_veto_test()
{
RET=0
bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
dst $REMOTE_IP_1 2>/dev/null
check_fail $? "multicast MAC not rejected"
bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
dst $REMOTE_IP_1 2>&1 >/dev/null | grep -q mlxsw_spectrum
check_err $? "multicast MAC rejected without extack"
log_test "vxlan FDB veto - create"
}
fdb_replace_veto_test()
{
RET=0
bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \
dst $REMOTE_IP_1
check_err $? "valid FDB rejected"
bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
dst $REMOTE_IP_1 port 1234 2>/dev/null
check_fail $? "FDB with an explicit port not rejected"
bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
dst $REMOTE_IP_1 port 1234 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "FDB with an explicit port rejected without extack"
log_test "vxlan FDB veto - replace"
}
fdb_append_veto_test()
{
RET=0
bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \
dst $REMOTE_IP_1
check_err $? "valid FDB rejected"
bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
dst $REMOTE_IP_2 port 1234 2>/dev/null
check_fail $? "FDB with an explicit port not rejected"
bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
dst $REMOTE_IP_2 port 1234 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "FDB with an explicit port rejected without extack"
log_test "vxlan FDB veto - append"
}
fdb_changelink_veto_test()
{
RET=0
ip link set dev vxlan0 type vxlan \
group $MC_IP dev lo 2>/dev/null
check_fail $? "FDB with a multicast IP not rejected"
ip link set dev vxlan0 type vxlan \
group $MC_IP dev lo 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "FDB with a multicast IP rejected without extack"
log_test "vxlan FDB veto - changelink"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS