diff options
Diffstat (limited to 'resources/traffic_scripts/check_ra_packet.py')
| -rwxr-xr-x | resources/traffic_scripts/check_ra_packet.py | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/resources/traffic_scripts/check_ra_packet.py b/resources/traffic_scripts/check_ra_packet.py index d95ef2d2f5..231e07da11 100755 --- a/resources/traffic_scripts/check_ra_packet.py +++ b/resources/traffic_scripts/check_ra_packet.py @@ -49,13 +49,14 @@ def main(): part. """ - args = TrafficScriptArg(['src_mac']) + args = TrafficScriptArg(['src_mac', 'interval']) rx_if = args.get_arg('rx_if') src_mac = args.get_arg('src_mac') + interval = int(args.get_arg('interval')) rxq = RxQueue(rx_if) - ether = rxq.recv(8) + ether = rxq.recv(max(5, interval)) # Check whether received packet contains layer RA and check other values if ether is None: @@ -65,14 +66,19 @@ def main(): raise RuntimeError('Not an RA packet received {0}' .format(ether.__repr__())) - address = ipaddress.IPv6Address(unicode(ether['IPv6'].src)) + src_address = ipaddress.IPv6Address(unicode(ether['IPv6'].src)) + dst_address = ipaddress.IPv6Address(unicode(ether['IPv6'].dst)) link_local = ipaddress.IPv6Address(unicode(mac_to_ipv6_linklocal(src_mac))) + all_nodes_multicast = ipaddress.IPv6Address(u'ff02::1') - if address != link_local: + if src_address != link_local: raise RuntimeError( 'Source address ({0}) not matching link local address({1})'.format( - address, link_local)) - + src_address, link_local)) + if dst_address != all_nodes_multicast: + raise RuntimeError('Packet destination address ({0}) is not the all ' + 'nodes multicast address ({1}).'.format( + dst_address, all_nodes_multicast)) if ether['IPv6'].hlim != 255: raise RuntimeError('Hop limit not correct: {0}!=255'.format( ether['IPv6'].hlim)) |