From: Petr Machata <petrm@mellanox.com>
Date: Thu, 3 May 2018 10:37:21 +0000 (+0200)
Subject: selftests: forwarding: mirror_gre_nh: Unset RP filter
X-Git-Tag: v4.18-rc1~114^2~317^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7eaaf0bc52127401f7f39c9f7950f3f624763c90;p=linux.git

selftests: forwarding: mirror_gre_nh: Unset RP filter

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@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
index a0d1ad46a2bc..8fa681eb90e7 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh
@@ -29,6 +29,9 @@ setup_prepare()
 	swp3=${NETIFS[p5]}
 	h3=${NETIFS[p6]}
 
+	sysctl_set net.ipv4.conf.all.rp_filter 0
+	sysctl_set net.ipv4.conf.$h3.rp_filter 0
+
 	vrf_prepare
 	mirror_gre_topo_create
 
@@ -60,6 +63,9 @@ cleanup()
 
 	mirror_gre_topo_destroy
 	vrf_cleanup
+
+	sysctl_restore net.ipv4.conf.$h3.rp_filter
+	sysctl_restore net.ipv4.conf.all.rp_filter
 }
 
 test_gretap()