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SubjectRe: [ovs-dev] [PATCH v2 net-next 3/5] selftests: openvswitch: add a test for ipv4 forwarding
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On 7/28/23 13:59, Aaron Conole wrote:
> This is a simple ipv4 bidirectional connectivity test.
>
> Signed-off-by: Aaron Conole <aconole@redhat.com>

Reviewed-by: Adrian Moreno <amorenoz@redhat.com>

> ---
> .../selftests/net/openvswitch/openvswitch.sh | 40 +++++++++++++++++++
> 1 file changed, 40 insertions(+)
>
> diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh
> index 5cdacb3c8c92..5d60a9466dab 100755
> --- a/tools/testing/selftests/net/openvswitch/openvswitch.sh
> +++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
> @@ -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

--
Adrián Moreno

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