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selftests: openvswitch: add a test for ipv4 forwarding

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This is a simple ipv4 bidirectional connectivity test.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Reviewed-by: Adrian Moreno <amorenoz@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Aaron Conole 2023-08-01 17:22:24 -04:00 committed by Paolo Abeni
parent 9f1179fbbd
commit 05398aa409
1 changed files with 40 additions and 0 deletions
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40
tools/testing/selftests/net/openvswitch/openvswitch.sh
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@ -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