diff options
| -rw-r--r-- | test/vpp_pg_interface.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/test/vpp_pg_interface.py b/test/vpp_pg_interface.py index 2256ada05d5..aef0052e587 100644 --- a/test/vpp_pg_interface.py +++ b/test/vpp_pg_interface.py @@ -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)) |