selftests: introduce test for mlxsw tc flower restrictions

Include test of forbidding to have drop rule on mixed-bound
shared block.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2020-02-24 08:35:56 +01:00 committed by David S. Miller
parent 45dbee0905
commit 0facf109f6
1 changed files with 100 additions and 0 deletions

View File

@ -0,0 +1,100 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="shared_block_drop_test"
NUM_NETIFS=2
source $lib_dir/tc_common.sh
source $lib_dir/lib.sh
switch_create()
{
simple_if_init $swp1 192.0.2.1/24
simple_if_init $swp2 192.0.2.2/24
}
switch_destroy()
{
simple_if_fini $swp2 192.0.2.2/24
simple_if_fini $swp1 192.0.2.1/24
}
shared_block_drop_test()
{
RET=0
# It is forbidden in mlxsw driver to have mixed-bound
# shared block with a drop rule.
tc qdisc add dev $swp1 ingress_block 22 clsact
check_err $? "Failed to create clsact with ingress block"
tc filter add block 22 protocol ip pref 1 handle 101 flower \
skip_sw dst_ip 192.0.2.2 action drop
check_err $? "Failed to add drop rule to ingress bound block"
tc qdisc add dev $swp2 ingress_block 22 clsact
check_err $? "Failed to create another clsact with ingress shared block"
tc qdisc del dev $swp2 clsact
tc qdisc add dev $swp2 egress_block 22 clsact
check_fail $? "Incorrect success to create another clsact with egress shared block"
tc filter del block 22 protocol ip pref 1 handle 101 flower
tc qdisc add dev $swp2 egress_block 22 clsact
check_err $? "Failed to create another clsact with egress shared block after blocker drop rule removed"
tc filter add block 22 protocol ip pref 1 handle 101 flower \
skip_sw dst_ip 192.0.2.2 action drop
check_fail $? "Incorrect success to add drop rule to mixed bound block"
tc qdisc del dev $swp1 clsact
tc qdisc add dev $swp1 egress_block 22 clsact
check_err $? "Failed to create another clsact with egress shared block"
tc filter add block 22 protocol ip pref 1 handle 101 flower \
skip_sw dst_ip 192.0.2.2 action drop
check_err $? "Failed to add drop rule to egress bound shared block"
tc filter del block 22 protocol ip pref 1 handle 101 flower
tc qdisc del dev $swp2 clsact
tc qdisc del dev $swp1 clsact
log_test "shared block drop"
}
setup_prepare()
{
swp1=${NETIFS[p1]}
swp2=${NETIFS[p2]}
vrf_prepare
switch_create
}
cleanup()
{
pre_cleanup
switch_destroy
vrf_cleanup
}
check_tc_shblock_support
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS