diff mbox series

[v2,net-next,3/5] selftests: openvswitch: add a test for ipv4 forwarding

Message ID 20230728115940.578658-4-aconole@redhat.com
State New
Headers
Series selftests: openvswitch: add flow programming cases |

Commit Message

Aaron Conole July 28, 2023, 11:59 a.m. UTC 
  This is a simple ipv4 bidirectional connectivity test.

Signed-off-by: Aaron Conole <aconole@redhat.com>
---
 .../selftests/net/openvswitch/openvswitch.sh  | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

Comments

Adrian Moreno July 28, 2023, 3:08 p.m. UTC | #1 
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
diff mbox series

Patch

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