From: Jiri Pirko <jiri@mellanox.com>
Date: Thu, 27 Feb 2020 08:50:09 +0100
Subject: selftests: add a mirror test to mlxsw tc flower restrictions
Patch-mainline: v5.7-rc1
Git-commit: ab2b8ab253d17a81a3d905d4c3e215391c725771
References: bsc#1176774

Include test of forbidding to have multiple mirror actions.

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 tools/testing/selftests/drivers/net/mlxsw/tc_flower_restrictions.sh |   28 ++++++++++
 1 file changed, 28 insertions(+)

--- a/tools/testing/selftests/drivers/net/mlxsw/tc_flower_restrictions.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/tc_flower_restrictions.sh
@@ -6,6 +6,7 @@ lib_dir=$(dirname $0)/../../../net/forwa
 ALL_TESTS="
 	shared_block_drop_test
 	egress_redirect_test
+	multi_mirror_test
 "
 NUM_NETIFS=2
 
@@ -127,6 +128,33 @@ egress_redirect_test()
 	log_test "shared block drop"
 }
 
+multi_mirror_test()
+{
+	RET=0
+
+	# It is forbidden in mlxsw driver to have multiple mirror
+	# actions in a single rule.
+
+	tc qdisc add dev $swp1 clsact
+
+	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
+		skip_sw dst_ip 192.0.2.2 \
+		action mirred egress mirror dev $swp2
+	check_err $? "Failed to add rule with single mirror action"
+
+	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
+
+	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
+		skip_sw dst_ip 192.0.2.2 \
+		action mirred egress mirror dev $swp2 \
+		action mirred egress mirror dev $swp1
+	check_fail $? "Incorrect success to add rule with two mirror actions"
+
+	tc qdisc del dev $swp1 clsact
+
+	log_test "multi mirror"
+}
+
 setup_prepare()
 {
 	swp1=${NETIFS[p1]}