Verify that ARP packets are correctly decapsulated by the ingress VTEP
by removing the neighbours configured on both VLAN interfaces and
running a ping test.
Signed-off-by: Ido Schimmel <ido...@mellanox.com>
Reviewed-by: Petr Machata <pe...@mellanox.com>
---
.../net/forwarding/vxlan_asymmetric.sh | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
index 21828970ab89..909426c25585 100755
--- a/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
@@ -93,6 +93,7 @@
ALL_TESTS="
ping_ipv4
+ arp_decap
"
NUM_NETIFS=6
source lib.sh
@@ -465,6 +466,23 @@ ping_ipv4()
ping_test $h2 10.1.1.102 ": local->remote vid 20->vid 10"
}
+arp_decap()
+{
+ # Repeat the ping tests, but without populating the neighbours. This
+ # makes sure we correctly decapsulate ARP packets
+ log_info "deleting neighbours from vlan interfaces"
+
+ ip neigh del 10.1.1.102 dev vlan10
+ ip neigh del 10.1.2.102 dev vlan20
+
+ ping_ipv4
+
+ ip neigh replace 10.1.1.102 lladdr $(in_ns ns1 mac_get w2) nud noarp \
+ dev vlan10 extern_learn
+ ip neigh replace 10.1.2.102 lladdr $(in_ns ns1 mac_get w4) nud noarp \
+ dev vlan20 extern_learn
+}
+
trap cleanup EXIT
setup_prepare
--
2.20.1
