Commit 05398aa4 authored by Aaron Conole's avatar Aaron Conole Committed by Paolo Abeni
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selftests: openvswitch: add a test for ipv4 forwarding



This is a simple ipv4 bidirectional connectivity test.

Signed-off-by: default avatarAaron Conole <aconole@redhat.com>
Reviewed-by: default avatarAdrian Moreno <amorenoz@redhat.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 9f1179fb
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+40 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ TRACING=0

tests="
	arp_ping				eth-arp: Basic arp ping between two NS
	connect_v4				ip4-xon: Basic ipv4 ping between two NS
	netlink_checks				ovsnl: validate netlink attrs and settings
	upcall_interfaces			ovs: test the upcall interfaces"

@@ -192,6 +193,45 @@ test_arp_ping () {
	return 0
}

# connect_v4 test
#  - client has 1500 byte MTU
#  - server has 1500 byte MTU
#  - use ICMP to ping in each direction
test_connect_v4 () {

	sbx_add "test_connect_v4" || return $?

	ovs_add_dp "test_connect_v4" cv4 || return 1

	info "create namespaces"
	for ns in client server; do
		ovs_add_netns_and_veths "test_connect_v4" "cv4" "$ns" \
		    "${ns:0:1}0" "${ns:0:1}1" || return 1
	done


	ip netns exec client ip addr add 172.31.110.10/24 dev c1
	ip netns exec client ip link set c1 up
	ip netns exec server ip addr add 172.31.110.20/24 dev s1
	ip netns exec server ip link set s1 up

	# Add forwarding for ARP and ip packets - completely wildcarded
	ovs_add_flow "test_connect_v4" cv4 \
		'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
	ovs_add_flow "test_connect_v4" cv4 \
		'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
	ovs_add_flow "test_connect_v4" cv4 \
		'in_port(1),eth(),eth_type(0x0800),ipv4(src=172.31.110.10)' '2' || return 1
	ovs_add_flow "test_connect_v4" cv4 \
		'in_port(2),eth(),eth_type(0x0800),ipv4(src=172.31.110.20)' '1' || return 1

	# do a ping
	ovs_sbx "test_connect_v4" ip netns exec client ping 172.31.110.20 -c 3 || return 1

	info "done..."
	return 0
}

# netlink_validation
# - Create a dp
# - check no warning with "old version" simulation