[PATCH net-next mlxsw] selftests: forwarding: mirror_gre_nh: Unset RP filter

[Petr Machata]

The test fails to work if reverse-path filtering is in effect on the
mirrored-to host interface, or for all interfaces.

Signed-off-by: Petr Machata <petrm at mellanox.com>
---
 tools/testing/selftests/net/forwarding/mirror_gre_nh.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
index a0d1ad4..3575e9b 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
@@ -29,6 +29,11 @@ setup_prepare()
 	swp3=${NETIFS[p5]}
 	h3=${NETIFS[p6]}
 
+	all_rp_filter=$(sysctl -n net.ipv4.conf.all.rp_filter)
+	h3_rp_filter=$(sysctl -n net.ipv4.conf.$h3.rp_filter)
+	sysctl -qw net.ipv4.conf.all.rp_filter=0
+	sysctl -qw net.ipv4.conf.$h3.rp_filter=0
+
 	vrf_prepare
 	mirror_gre_topo_create
 
@@ -60,6 +65,9 @@ cleanup()
 
 	mirror_gre_topo_destroy
 	vrf_cleanup
+
+	sysctl -qw net.ipv4.conf.$h3.rp_filter=$h3_rp_filter
+	sysctl -qw net.ipv4.conf.all.rp_filter=$all_rp_filter
 }
 
 test_gretap()
-- 
2.4.11