Update of latest tests.

Change-Id: Ifb04651ff4a3c1ba9aaa725eb9a309278ebc1140
Signed-off-by: Stefan Kobza <skobza@cisco.com>

4 files changed, 234 insertions, 4 deletions

diff --git a/resources/traffic_scripts/arp_request.py b/resources/traffic_scripts/arp_request.py
new file mode 100755
index 0000000000..86a4c015cd
--- /dev/null
+++ b/resources/traffic_scripts/arp_request.py
@@ -0,0 +1,118 @@
+#!/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.
+
+"""Send an ARP request and verify the reply"""
+
+import sys
+
+from scapy.all import Ether, ARP
+
+from resources.libraries.python.PacketVerifier import Interface
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+
+
+def parse_arguments():
+    """Parse arguments of the script passed through command line
+
+    :return: tuple of parsed arguments
+    """
+    args = TrafficScriptArg(['src_if', 'src_mac', 'dst_mac',
+                             'src_ip', 'dst_ip'])
+
+    # check for mandatory parameters
+    params = (args.get_arg('tx_if'),
+              args.get_arg('src_mac'),
+              args.get_arg('dst_mac'),
+              args.get_arg('src_ip'),
+              args.get_arg('dst_ip'))
+    if None in params:
+        raise Exception('Missing mandatory parameter(s)!')
+
+    return params
+
+
+def arp_request_test():
+    """Send ARP request, expect a reply and verify its fields.
+
+    returns: test status
+    """
+    test_passed = False
+    (src_if, src_mac, dst_mac, src_ip, dst_ip) = parse_arguments()
+
+    interface = Interface(src_if)
+
+    # build an ARP request
+    arp_request = (Ether(src=src_mac, dst='ff:ff:ff:ff:ff:ff') /
+                   ARP(psrc=src_ip, hwsrc=src_mac, pdst=dst_ip,
+                       hwdst='ff:ff:ff:ff:ff:ff'))
+
+    # send the request
+    interface.send_pkt(arp_request)
+
+    try:
+        # wait for APR reply
+        ether = interface.recv_pkt()
+
+        # verify received packet
+
+        if not ether.haslayer(ARP):
+            raise RuntimeError('Unexpected packet: does not contain ARP ' +
+                               'header "{}"'.format(ether.__repr__()))
+
+        arp = ether['ARP']
+        arp_reply = 2
+
+        if arp.op != arp_reply:
+            raise RuntimeError('expected op={}, received {}'.format(arp_reply,
+                                                                    arp.op))
+        if arp.ptype != 0x800:
+            raise RuntimeError('expected ptype=0x800, received {}'.
+                               format(arp.ptype))
+        if arp.hwlen != 6:
+            raise RuntimeError('expected hwlen=6, received {}'.
+                               format(arp.hwlen))
+        if arp.plen != 4:
+            raise RuntimeError('expected plen=4, received {}'.format(arp.plen))
+        if arp.hwsrc != dst_mac:
+            raise RuntimeError('expected hwsrc={}, received {}'.
+                               format(dst_mac, arp.hwsrc))
+        if arp.psrc != dst_ip:
+            raise RuntimeError('expected psrc={}, received {}'.
+                               format(dst_ip, arp.psrc))
+        if arp.hwdst != src_mac:
+            raise RuntimeError('expected hwdst={}, received {}'.
+                               format(src_mac, arp.hwdst))
+        if arp.pdst != src_ip:
+            raise RuntimeError('expected pdst={}, received {}'.
+                               format(src_ip, arp.pdst))
+        test_passed = True
+
+    except RuntimeError as ex:
+        print 'Error occurred: {}'.format(ex)
+    finally:
+        interface.close()
+
+    return test_passed
+
+
+def main():
+    """Run the test and collect result"""
+    if arp_request_test():
+        sys.exit(0)
+    else:
+        sys.exit(1)
+
+if __name__ == '__main__':
+    main()
diff --git a/resources/traffic_scripts/ipv4_ping_ttl_check.py b/resources/traffic_scripts/ipv4_ping_ttl_check.py
index 050a1d7b29..1286b46876 100755
--- a/resources/traffic_scripts/ipv4_ping_ttl_check.py
+++ b/resources/traffic_scripts/ipv4_ping_ttl_check.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from scapy.all import *
+from scapy.all import Ether, IP, ICMP
 from resources.libraries.python.PacketVerifier \
     import Interface, create_gratuitous_arp_request, auto_pad
 from optparse import OptionParser
@@ -25,8 +25,8 @@ def check_ttl(ttl_begin, ttl_end, ttl_diff):
         if dst_if_defined:
             dst_if.close()
         raise Exception(
-            "TTL changed from {} to {} but decrease by {} expected")\
-            .format(ttl_begin, ttl_end, hops)
+            "TTL changed from {} to {} but decrease by {} expected"
+            .format(ttl_begin, ttl_end, hops))
 
 
 def ckeck_packets_equal(pkt_send, pkt_recv):
diff --git a/resources/traffic_scripts/ipv4_sweep_ping.py b/resources/traffic_scripts/ipv4_sweep_ping.py
new file mode 100755
index 0000000000..4b82a9b03e
--- /dev/null
+++ b/resources/traffic_scripts/ipv4_sweep_ping.py
@@ -0,0 +1,112 @@
+#!/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 IPv4 sweep ping."""
+
+import sys
+import logging
+import os
+logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
+from resources.libraries.python.PacketVerifier import RxQueue, TxQueue,\
+    auto_pad, create_gratuitous_arp_request
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+from scapy.layers.inet import IP, ICMP
+from scapy.all import Ether, Raw
+
+
+def main():
+    # start_size - start size of the ICMPv4 echo data
+    # end_size - end size of the ICMPv4 echo data
+    # step - increment step
+    args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip',
+                             'start_size', 'end_size', 'step'])
+
+    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')
+    start_size = int(args.get_arg('start_size'))
+    end_size = int(args.get_arg('end_size'))
+    step = int(args.get_arg('step'))
+    echo_id = 0xa
+    # generate some random data buffer
+    data = bytearray(os.urandom(end_size))
+
+    sent_packets = []
+    pkt_send = create_gratuitous_arp_request(src_mac, src_ip)
+    sent_packets.append(pkt_send)
+    txq.send(pkt_send)
+
+    # send ICMP echo request with incremented data length and receive ICMP
+    # echo reply
+    for echo_seq in range(start_size, end_size+1, step):
+        pkt_send = auto_pad(Ether(src=src_mac, dst=dst_mac) /
+                            IP(src=src_ip, dst=dst_ip) /
+                            ICMP(id=echo_id, seq=echo_seq) /
+                            Raw(load=data[0:echo_seq]))
+        sent_packets.append(pkt_send)
+        txq.send(pkt_send)
+
+        ether = rxq.recv(ignore=sent_packets)
+        if ether is None:
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'ICMP echo reply seq {0} Rx timeout'.format(echo_seq))
+
+        if not ether.haslayer(IP):
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'Unexpected packet with no IPv4 received {0}'.format(
+                    ether.__repr__()))
+
+        ipv4 = ether['IP']
+
+        if not ipv4.haslayer(ICMP):
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'Unexpected packet with no ICMP received {0}'.format(
+                    ipv4.__repr__()))
+
+        icmpv4 = ipv4['ICMP']
+
+        if icmpv4.id != echo_id or icmpv4.seq != echo_seq:
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'Invalid ICMP echo reply received ID {0} seq {1} should be ' +
+                'ID {2} seq {3}, {0}'.format(icmpv4.id, icmpv4.seq, echo_id,
+                                             echo_seq))
+
+        chksum = icmpv4.chksum
+        del icmpv4.chksum
+        tmp = ICMP(str(icmpv4))
+        if tmp.chksum != chksum:
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'Invalid checksum {0} should be {1}'.format(chksum, tmp.chksum))
+        recv_payload_len = ipv4.len - 20 - 8
+        load = tmp['Raw'].load[0:recv_payload_len]
+        if load != data[0:echo_seq]:
+            rxq._proc.terminate()
+            raise RuntimeError(
+                'Received ICMP payload does not match sent payload')
+
+    rxq._proc.terminate()
+    sys.exit(0)
+
+if __name__ == "__main__":
+    main()
diff --git a/resources/traffic_scripts/ipv6_sweep_ping.py b/resources/traffic_scripts/ipv6_sweep_ping.py
index 2282f40f78..c79b74d760 100755
--- a/resources/traffic_scripts/ipv6_sweep_ping.py
+++ b/resources/traffic_scripts/ipv6_sweep_ping.py
@@ -58,7 +58,7 @@ def main():
 
     # send ICMPv6 echo request with incremented data length and receive ICMPv6
     # echo reply
-    for echo_seq in range(start_size, end_size, step):
+    for echo_seq in range(start_size, end_size+1, step):
         pkt_send = (Ether(src=src_mac, dst=dst_mac) /
                           IPv6(src=src_ip, dst=dst_ip) /
                           ICMPv6EchoRequest(id=echo_id, seq=echo_seq,