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authorStefan Kobza <skobza@cisco.com>2016-01-11 18:03:25 +0100
committerStefan Kobza <skobza@cisco.com>2016-02-08 22:38:32 +0100
commit33499c81c94c2d3baef9d3e9f061cd76ef86fa74 (patch)
tree2d000ba17b821339a05e0c039f71e48e09553de9 /resources/traffic_scripts/ipv6_ns.py
parent5cbeca02602061d32212e14f289d65cf648920e4 (diff)
New version of RF tests.
Change-Id: I241a2b7a7706e65f71cfd4a62e2a40f053fc5d07 Signed-off-by: Stefan Kobza <skobza@cisco.com>
Diffstat (limited to 'resources/traffic_scripts/ipv6_ns.py')
-rwxr-xr-xresources/traffic_scripts/ipv6_ns.py104
1 files changed, 104 insertions, 0 deletions
diff --git a/resources/traffic_scripts/ipv6_ns.py b/resources/traffic_scripts/ipv6_ns.py
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+++ b/resources/traffic_scripts/ipv6_ns.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Traffic script for IPv6 Neighbor Solicitation test."""
+
+import sys
+import logging
+logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
+from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+from scapy.layers.inet6 import IPv6, ICMPv6ND_NA, ICMPv6ND_NS
+from scapy.layers.inet6 import ICMPv6NDOptDstLLAddr, ICMPv6NDOptSrcLLAddr
+from scapy.all import Ether
+
+
+def main():
+ args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip'])
+
+ rxq = RxQueue(args.get_arg('rx_if'))
+ txq = TxQueue(args.get_arg('tx_if'))
+
+ src_mac = args.get_arg('src_mac')
+ dst_mac = args.get_arg('dst_mac')
+ src_ip = args.get_arg('src_ip')
+ dst_ip = args.get_arg('dst_ip')
+
+ sent_packets = []
+
+ # send ICMPv6 neighbor solicitation message
+ pkt_send = (Ether(src=src_mac, dst='ff:ff:ff:ff:ff:ff') /
+ IPv6(src=src_ip, dst='ff02::1:ff00:2') /
+ ICMPv6ND_NS(tgt=dst_ip) /
+ ICMPv6NDOptSrcLLAddr(lladdr=src_mac))
+ sent_packets.append(pkt_send)
+ txq.send(pkt_send)
+
+ # receive ICMPv6 neighbor advertisement message
+ ether = rxq.recv(2, sent_packets)
+ if ether is None:
+ rxq._proc.terminate()
+ raise RuntimeError('ICMPv6 echo reply Rx timeout')
+
+ if not ether.haslayer(IPv6):
+ rxq._proc.terminate()
+ raise RuntimeError('Unexpected packet with no IPv6 received {0}'.format(
+ ether.__repr__()))
+
+ ipv6 = ether['IPv6']
+
+ if not ipv6.haslayer(ICMPv6ND_NA):
+ rxq._proc.terminate()
+ raise RuntimeError(
+ 'Unexpected packet with no ICMPv6 ND-NA received {0}'.format(
+ ipv6.__repr__()))
+
+ icmpv6_na = ipv6['ICMPv6 Neighbor Discovery - Neighbor Advertisement']
+
+ # verify target address
+ if icmpv6_na.tgt != dst_ip:
+ rxq._proc.terminate()
+ raise RuntimeError('Invalid target address {0} should be {1}'.format(
+ icmpv6_na.tgt, dst_ip))
+
+ if not icmpv6_na.haslayer(ICMPv6NDOptDstLLAddr):
+ rxq._proc.terminate()
+ raise RuntimeError(
+ 'Missing Destination Link-Layer Address option in ICMPv6 ' +
+ 'Neighbor Advertisement {0}'.format(icmpv6_na.__repr__()))
+
+ option = 'ICMPv6 Neighbor Discovery Option - Destination Link-Layer Address'
+ dst_ll_addr = icmpv6_na[option]
+
+ # verify destination link-layer address field
+ if dst_ll_addr.lladdr != dst_mac:
+ rxq._proc.terminate()
+ raise RuntimeError('Invalid lladdr {0} should be {1}'.format(
+ dst_ll_addr.lladdr, dst_mac))
+
+ # verify checksum
+ cksum = icmpv6_na.cksum
+ del icmpv6_na.cksum
+ tmp = ICMPv6ND_NA(str(icmpv6_na))
+ if tmp.cksum != cksum:
+ rxq._proc.terminate()
+ raise RuntimeError(
+ 'Invalid checksum {0} should be {1}'.format(cksum, tmp.cksum))
+
+ rxq._proc.terminate()
+ sys.exit(0)
+
+if __name__ == "__main__":
+ main()