X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=GPL%2Ftraffic_scripts%2Flisp%2Flisp_check.py;h=6a5e85c869957658fe3c20278e65112022668573;hp=f7b4c6a7970f82ee158bcc3400bd8b5fef254ba1;hb=bd15bb418bf618ff3055fb25c339778d12c1eaef;hpb=7829fea4a2c8936513fa95215b7d84997f814a69

diff --git a/GPL/traffic_scripts/lisp/lisp_check.py b/GPL/traffic_scripts/lisp/lisp_check.py
index f7b4c6a797..6a5e85c869 100644
--- a/GPL/traffic_scripts/lisp/lisp_check.py
+++ b/GPL/traffic_scripts/lisp/lisp_check.py
@@ -28,18 +28,18 @@ a LISP-encapsulated packet on the other interface and verifies received packet.
 """
 
 import sys
-import ipaddress
 
 from scapy.all import bind_layers, Packet
 from scapy.fields import FlagsField, BitField, IntField
 from scapy.layers.inet import ICMP, IP, UDP
 from scapy.layers.inet6 import ICMPv6EchoRequest
-from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6MLReport2
+from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6MLReport2, ICMPv6ND_RA
 from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 
 from ..PacketVerifier import RxQueue, TxQueue
 from ..TrafficScriptArg import TrafficScriptArg
+from ..ValidIp import valid_ipv4, valid_ipv6
 
 
 class LispHeader(Packet):
@@ -66,38 +66,6 @@ class LispInnerIPv6(IPv6):
     name = u"Lisp Inner Layer - IPv6"
 
 
-def valid_ipv4(ip_address):
-    """Check IPv4 address.
-
-    :param ip_address: IPv4 address to check.
-    :type ip_address: str
-    :returns: True if IP address is correct.
-    :rtype: bool
-    :raises AttributeError, AddressValueError: If IP address is not valid.
-    """
-    try:
-        ipaddress.IPv4Address(ip_address)
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def valid_ipv6(ip_address):
-    """Check IPv6 address.
-
-    :param ip_address: IPv6 address to check.
-    :type ip_address: str
-    :returns: True if IP address is correct.
-    :rtype: bool
-    :raises AttributeError, AddressValueError: If IP address is not valid.
-    """
-    try:
-        ipaddress.IPv6Address(ip_address)
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
 def main():
     """Send IP ICMP packet from one traffic generator interface to the other.
 
@@ -166,6 +134,10 @@ def main():
             # read another packet in the queue if the current one is
             # ICMPv6MLReport2
             continue
+        elif ether.haslayer(ICMPv6ND_RA):
+            # read another packet in the queue if the current one is
+            # ICMPv6ND_RA
+            continue
 
         # otherwise process the current packet
         break
@@ -184,7 +156,7 @@ def main():
         if not isinstance(ip, IPv6):
             raise RuntimeError(f"Not an IP packet received {ip!r}")
     elif not isinstance(ip, ip_format):
-            raise RuntimeError(f"Not an IP packet received {ip!r}")
+        raise RuntimeError(f"Not an IP packet received {ip!r}")
 
     lisp = ether.getlayer(lisp_layer)
     if not lisp: