Virl test: dot1q ip4base

Change-Id: I070bdbb0ea9cb609cb367ad744f7ad569b7115b9
Signed-off-by: Matej Klotton <mklotton@cisco.com>

1 files changed, 71 insertions, 33 deletions

diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py
index 7450bd18e3..c9e3a35df4 100755
--- a/resources/traffic_scripts/send_icmp_check_headers.py
+++ b/resources/traffic_scripts/send_icmp_check_headers.py
@@ -18,13 +18,13 @@ MAC addresses are checked in received packet.
 """
 
 import sys
-import ipaddress
 
+import ipaddress
+from robot.api import logger
 from scapy.layers.inet import ICMP, IP
-from scapy.layers.inet6 import IPv6
-from scapy.all import Ether
 from scapy.layers.inet6 import ICMPv6EchoRequest
-from robot.api import logger
+from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether, Dot1Q
 
 from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
 from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
@@ -50,57 +50,95 @@ def main():
     """Send IP ICMP packet from one traffic generator interface to the other."""
     args = TrafficScriptArg(
         ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac',
-         'dut_if2_mac'])
-
-    src_mac = args.get_arg('tg_src_mac')
-    dst_mac = args.get_arg('tg_dst_mac')
-    dut1_if1_mac = args.get_arg('dut_if1_mac')
-    dut1_if2_mac = args.get_arg('dut_if2_mac')
+         'dut_if2_mac'],
+        ['encaps_tx', 'vlan_tx', 'vlan_outer_tx',
+         'encaps_rx', 'vlan_rx', 'vlan_outer_rx'])
+
+    tx_src_mac = args.get_arg('tg_src_mac')
+    tx_dst_mac = args.get_arg('dut_if1_mac')
+    rx_dst_mac = args.get_arg('tg_dst_mac')
+    rx_src_mac = args.get_arg('dut_if2_mac')
     src_ip = args.get_arg('src_ip')
     dst_ip = args.get_arg('dst_ip')
     tx_if = args.get_arg('tx_if')
     rx_if = args.get_arg('rx_if')
 
+    encaps_tx = args.get_arg('encaps_tx')
+    vlan_tx = args.get_arg('vlan_tx')
+    vlan_outer_tx = args.get_arg('vlan_outer_tx')
+    encaps_rx = args.get_arg('encaps_rx')
+    vlan_rx = args.get_arg('vlan_rx')
+    vlan_outer_rx = args.get_arg('vlan_outer_rx')
+
     rxq = RxQueue(rx_if)
     txq = TxQueue(tx_if)
     sent_packets = []
     ip_format = ''
-    pkt_raw = ''
+    pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac)
+    if encaps_tx == 'Dot1q':
+        pkt_raw /= Dot1Q(vlan=int(vlan_tx))
+    elif encaps_tx == 'Dot1ad':
+        pkt_raw.type = 0x88a8
+        pkt_raw /= Dot1Q(vlan=vlan_outer_tx)
+        pkt_raw /= Dot1Q(vlan=vlan_tx)
     if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
-        pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) /
-                   IP(src=src_ip, dst=dst_ip) /
-                   ICMP())
-        ip_format = 'IP'
+        pkt_raw /= IP(src=src_ip, dst=dst_ip)
+        pkt_raw /= ICMP()
+        ip_format = IP
     elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
-        pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) /
-                   IPv6(src=src_ip, dst=dst_ip) /
-                   ICMPv6EchoRequest())
-        ip_format = 'IPv6'
+        pkt_raw /= IPv6(src=src_ip, dst=dst_ip)
+        pkt_raw /= ICMPv6EchoRequest()
+        ip_format = IPv6
     else:
         raise ValueError("IP not in correct format")
 
     sent_packets.append(pkt_raw)
     txq.send(pkt_raw)
-    ether = rxq.recv(2)
+    if tx_if == rx_if:
+        ether = rxq.recv(2, ignore=sent_packets)
+    else:
+        ether = rxq.recv(2)
 
     if ether is None:
         raise RuntimeError("ICMP echo Rx timeout")
-    if not ether.haslayer(ip_format):
-        raise RuntimeError("Not an IP packet received {0}"
-                           .format(ether.__repr__()))
 
-    # Compare data from packets
-    if src_ip == ether[ip_format].src and dst_ip == ether[ip_format].dst:
-        logger.trace("IP matched")
-        if dst_mac == ether['Ethernet'].dst and \
-                dut1_if2_mac == ether['Ethernet'].src:
-            logger.trace("MAC matched")
+    if rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src:
+        logger.trace("MAC matched")
+    else:
+        raise RuntimeError(
+            "Matching packet unsuccessful: {0}".format(ether.__repr__()))
+
+    if encaps_rx == 'Dot1q':
+        if ether[Dot1Q].vlan == int(vlan_rx):
+            logger.trace("VLAN matched")
         else:
-            raise RuntimeError("Matching packet unsuccessful: {0}"
-                               .format(ether.__repr__()))
+            raise RuntimeError('Ethernet frame with wrong VLAN tag ({}-'
+                               'received, {}-expected):\n{}'
+                               .format(ether[Dot1Q].vlan, vlan_rx,
+                                       ether.__repr__()))
+        ip = ether[Dot1Q].payload
+    elif encaps_rx == 'Dot1ad':
+        raise NotImplementedError()
     else:
-        raise RuntimeError("Matching packet unsuccessful: {0}"
-                           .format(ether.__repr__()))
+        ip = ether.payload
+
+    if not isinstance(ip, ip_format):
+        raise RuntimeError(
+            "Not an IP packet received {0}".format(ip.__repr__()))
+
+    # Compare data from packets
+    if src_ip == ip.src:
+        logger.trace("Src IP matched")
+    else:
+        raise RuntimeError("Matching Src IP unsuccessful: {} != {}"
+                           .format(src_ip, ip.src))
+
+    if dst_ip == ip.dst:
+        logger.trace("Dst IP matched")
+    else:
+        raise RuntimeError("Matching Dst IP unsuccessful: {} != {}"
+                           .format(dst_ip, ip.dst))
+
     sys.exit(0)