VIRL test: Dot1Q-L2BD-vhost_user test (CSIT-502)

- Create test cases to test Dot1Q+L2BD+vhost_user IPv4 and IPv6
  scenarios

Change-Id: I0823e2d22a36fce236c037cfda27d588ebcd1cc5
Signed-off-by: Matej Klotton <mklotton@cisco.com>

1 files changed, 30 insertions, 3 deletions

diff --git a/resources/traffic_scripts/send_ip_icmp.py b/resources/traffic_scripts/send_ip_icmp.py
index 140c205d4e..b22b5d39a8 100755
--- a/resources/traffic_scripts/send_ip_icmp.py
+++ b/resources/traffic_scripts/send_ip_icmp.py
@@ -66,7 +66,8 @@ def main():
     the other one. Dot1q or Dot1ad tagging of the ethernet frame can be set.
     """
     args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip'],
-                            ['encaps', 'vlan1', 'vlan2'])
+                            ['encaps', 'vlan1', 'vlan2', 'encaps_rx',
+                             'vlan1_rx', 'vlan2_rx'])
 
     src_mac = args.get_arg('src_mac')
     dst_mac = args.get_arg('dst_mac')
@@ -76,6 +77,9 @@ def main():
     encaps = args.get_arg('encaps')
     vlan1 = args.get_arg('vlan1')
     vlan2 = args.get_arg('vlan2')
+    encaps_rx = args.get_arg('encaps_rx')
+    vlan1_rx = args.get_arg('vlan1_rx')
+    vlan2_rx = args.get_arg('vlan2_rx')
 
     tx_if = args.get_arg('tx_if')
     rx_if = args.get_arg('rx_if')
@@ -136,12 +140,35 @@ def main():
     if ether is None:
         raise RuntimeError('ICMP echo Rx timeout')
 
+    if encaps_rx:
+        if encaps_rx == 'Dot1q':
+            if not vlan1_rx:
+                vlan1_rx = vlan1
+            if not ether.haslayer(Dot1Q):
+                raise RuntimeError('Not VLAN tagged Eth frame received:\n{0}'
+                                   .format(ether.__repr__()))
+            elif ether[Dot1Q].vlan != int(vlan1_rx):
+                raise RuntimeError('Ethernet frame with wrong VLAN tag ({}) '
+                                   'received ({} expected):\n{}'.format(
+                    ether[Dot1Q].vlan, vlan1_rx, ether.__repr__()))
+        elif encaps_rx == 'Dot1ad':
+            if not vlan1_rx:
+                vlan1_rx = vlan1
+            if not vlan2_rx:
+                vlan2_rx = vlan2
+            # TODO
+            raise RuntimeError('Encapsulation {0} not implemented yet.'
+                               .format(encaps_rx))
+        else:
+            raise RuntimeError('Unsupported/unknown encapsulation expected: {0}'
+                               .format(encaps_rx))
+
     if not ether.haslayer(ip_format):
-        raise RuntimeError('Not an IP packet received {0}'
+        raise RuntimeError('Not an IP packet received:\n{0}'
                            .format(ether.__repr__()))
 
     if not ether.haslayer(icmp_format):
-        raise RuntimeError('Not an ICMP packet received {0}'
+        raise RuntimeError('Not an ICMP packet received:\n{0}'
                            .format(ether.__repr__()))
 
     sys.exit(0)