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In python tests send NS packets to the solicited mcast address with correct mcast MAC, rather than to quiered addr and broadcast MAC

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Change-Id: Idb2f8ad09ccb421b7974b8a944cb411cfb4be9d5
Signed-off-by: Neale Ranns <nranns@cisco.com>
This commit is contained in:
Neale Ranns
2017-01-07 10:04:09 -08:00
committed by Ole Trøan
parent 45a00c44d1
commit 465a1a3a46
1 changed files with 8 additions and 3 deletions
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11
test/vpp_pg_interface.py
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@ -1,5 +1,6 @@
import os
import time
import socket
from traceback import format_exc
from scapy.utils import wrpcap, rdpcap, PcapReader
from vpp_interface import VppInterface
@ -9,7 +10,8 @@ from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_NA,\
ICMPv6NDOptSrcLLAddr, ICMPv6NDOptDstLLAddr, ICMPv6ND_RA, RouterAlert, \
IPv6ExtHdrHopByHop
from util import ppp, ppc
from scapy.utils6 import in6_getnsma, in6_getnsmac
from scapy.utils import inet_pton, inet_ntop
def is_ipv6_misc(p):
""" Is packet one of uninteresting IPv6 broadcasts? """
@ -304,8 +306,11 @@ class VppPGInterface(VppInterface):
def create_ndp_req(self):
"""Create NDP - NS applicable for this interface"""
return (Ether(dst="ff:ff:ff:ff:ff:ff", src=self.remote_mac) /
IPv6(src=self.remote_ip6, dst=self.local_ip6) /
nsma = in6_getnsma(inet_pton(socket.AF_INET6, self.local_ip6))
d = inet_ntop(socket.AF_INET6, nsma)
return (Ether(dst=in6_getnsmac(nsma)) /
IPv6(dst=d, src=self.remote_ip6) /
ICMPv6ND_NS(tgt=self.local_ip6) /
ICMPv6NDOptSrcLLAddr(lladdr=self.remote_mac))