Commit ca5ba1cb authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

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: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1538812e
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+18 −0
Original line number Diff line number Diff line
@@ -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