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Message-Id: <a1d9001969381681ce4c3891ef8404b74aef177f.1531226547.git.petrm@mellanox.com> Date: Tue, 10 Jul 2018 14:44:26 +0200 From: Petr Machata <petrm@...lanox.com> To: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org Cc: davem@...emloft.net, shuah@...nel.org, idosch@...lanox.com Subject: [PATCH net-next] selftests: forwarding: mirror_gre_nh: Unset rp_filter on host VRF The mirrored packets arrive at $h3 encapsulated in GRE/IPv4, with IP address from 192.0.2.128/28 network. However the interface is configured as a member of 192.0.2.160/28 and there's no route directing traffic from the former network through that interface. Correspondingly, the RP filter on the VRF rejects it. Therefore turn off the VRF's RP filter. Signed-off-by: Petr Machata <petrm@...lanox.com> --- tools/testing/selftests/net/forwarding/mirror_gre_nh.sh | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh index 8fa681eb90e7..6f9ef1820e93 100755 --- a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh +++ b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh @@ -35,6 +35,8 @@ setup_prepare() vrf_prepare mirror_gre_topo_create + sysctl_set net.ipv4.conf.v$h3.rp_filter 0 + ip address add dev $swp3 192.0.2.161/28 ip address add dev $h3 192.0.2.162/28 ip address add dev gt4 192.0.2.129/32 @@ -61,6 +63,8 @@ cleanup() ip address del dev $h3 192.0.2.162/28 ip address del dev $swp3 192.0.2.161/28 + sysctl_restore net.ipv4.conf.v$h3.rp_filter 0 + mirror_gre_topo_destroy vrf_cleanup -- 2.4.11
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