From ca5ba1cbc9d230fe2222a324aca069eab7e764ba Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Mon, 21 Jan 2019 13:22:53 +0000 Subject: [PATCH] selftests: forwarding: Add a test case for ARP decapsulation 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 Reviewed-by: Petr Machata Signed-off-by: David S. Miller --- .../selftests/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 2182897..909426c 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 -- 2.7.4