Fix VPP sends ARP requests for unknown destinations TC destination MAC address

-JIRA: CSIT-142
The ICMP packet was send to wrong destination.
Don't use resolve-attemts in add route.
Fix testcase.
Add testcase Sends ARP to GW with EXPECTED_FAILING.
Variable naming fix.
Documentation update.

Change-Id: I71a7a274c154c525b176c87884d089155d7ae61b
Signed-off-by: Matej Klotton <mklotton@cisco.com>

1 files changed, 30 insertions, 13 deletions

diff --git a/resources/traffic_scripts/send_icmp_check_arp.py b/resources/traffic_scripts/send_icmp_check_arp.py
index 4a3c442114..49d4710ba4 100755
--- a/resources/traffic_scripts/send_icmp_check_arp.py
+++ b/resources/traffic_scripts/send_icmp_check_arp.py
@@ -46,15 +46,16 @@ def main():
     """Send IP ICMP packet from one traffic generator interface and expects
      ARP on the other."""
     args = TrafficScriptArg(
-        ['tx_dst_mac', 'rx_dst_mac', 'tx_src_ip', 'tx_dst_ip', 'rx_arp_src_ip',
+        ['tx_dst_mac', 'rx_src_mac', 'tx_src_ip', 'tx_dst_ip', 'rx_arp_src_ip',
          'rx_arp_dst_ip'])
 
     tx_dst_mac = args.get_arg('tx_dst_mac')
-    rx_dst_mac = args.get_arg('rx_dst_mac')
+    rx_src_mac = args.get_arg('rx_src_mac')
     src_ip = args.get_arg('tx_src_ip')
     dst_ip = args.get_arg('tx_dst_ip')
     tx_if = args.get_arg('tx_if')
     rx_if = args.get_arg('rx_if')
+    rx_dst_mac = 'ff:ff:ff:ff:ff:ff'
     rx_arp_src_ip = args.get_arg('rx_arp_src_ip')
     rx_arp_dst_ip = args.get_arg('rx_arp_dst_ip')
 
@@ -73,6 +74,20 @@ def main():
     if ether is None:
         raise RuntimeError("Ethernet frame Rx timeout")
 
+    if ether.dst == rx_dst_mac:
+        print("Ethernet destination address matched.")
+    else:
+        raise RuntimeError(
+            "Matching ethernet destination address unsuccessful: {0} != {1}".
+                format(ether.dst, rx_dst_mac))
+
+    if ether.src == rx_src_mac:
+        print("Ethernet source address matched.")
+    else:
+        raise RuntimeError(
+            "Matching ethernet source address unsuccessful: {0} != {1}"
+            .format(ether.src, rx_src_mac))
+
     # ARP check
     if ether['ARP'] is not None:
         print("ARP packet received.")
@@ -84,32 +99,34 @@ def main():
     if ether['ARP'].op == 1:  # 1 - who-has request
         print("ARP request matched.")
     else:
-        raise RuntimeError("Matching ARP request unsuccessful: {0}"
-                           .format(ether.__repr__()))
+        raise RuntimeError("Matching ARP request unsuccessful: {0} != {1}"
+                           .format(ether['ARP'].op, 1))
 
-    if ether['ARP'].hwsrc == rx_dst_mac:
+    if ether['ARP'].hwsrc == rx_src_mac:
         print("Source MAC matched.")
     else:
-        raise RuntimeError("Matching Source MAC unsuccessful: {0}"
-                           .format(ether.__repr__()))
+        raise RuntimeError("Matching Source MAC unsuccessful: {0} != {1}"
+                           .format(ether['ARP'].hwsrc, rx_src_mac))
 
     if ether['ARP'].hwdst == "00:00:00:00:00:00":
         print("Destination MAC matched.")
     else:
-        raise RuntimeError("Matching Destination MAC unsuccessful: {0}"
-                           .format(ether.__repr__()))
+        raise RuntimeError("Matching Destination MAC unsuccessful: {0} != {1}"
+                           .format(ether['ARP'].hwdst, "00:00:00:00:00:00"))
 
     if ether['ARP'].psrc == rx_arp_src_ip:
         print("Source ARP IP address matched.")
     else:
-        raise RuntimeError("Matching Source ARP IP address unsuccessful: {0}"
-                           .format(ether.__repr__()))
+        raise RuntimeError(
+            "Matching Source ARP IP address unsuccessful: {0} != {1}"
+            .format(ether['ARP'].psrc, rx_arp_src_ip))
 
     if ether['ARP'].pdst == rx_arp_dst_ip:
         print("Destination ARP IP address matched.")
     else:
-        raise RuntimeError("Matching Destination ARP IP address unsuccessful: "
-                           "{0}".format(ether.__repr__()))
+        raise RuntimeError(
+            "Matching Destination ARP IP address unsuccessful: {0} != {1}"
+            .format(ether['ARP'].pdst, rx_arp_dst_ip))
 
     sys.exit(0)