+
+def get_start_end_ipv6(start_ip, end_ip):
+ """Get start and end host from IPv6 as integer.
+
+ :param start_ip: Start IPv6.
+ :param end_ip: End IPv6.
+ :type start_ip: string
+ :type end_ip: string
+ :return: Start host, end host.
+ :rtype int
+ """
+
+ try:
+ ip1 = socket.inet_pton(socket.AF_INET6, start_ip)
+ ip2 = socket.inet_pton(socket.AF_INET6, end_ip)
+
+ hi1, lo1 = struct.unpack('!QQ', ip1)
+ hi2, lo2 = struct.unpack('!QQ', ip2)
+
+ if ((hi1 << 64) | lo1) > ((hi2 << 64) | lo2):
+ print "IPv6: start_ip is greater then end_ip"
+ sys.exit(2)
+
+ max_p1 = abs(int(lo1) - int(lo2)) + 1
+ base_p1 = lo1
+ except AddressValueError as ex_error:
+ print ex_error
+ sys.exit(2)
+
+ return base_p1, max_p1
+
+def create_streams_v46(base_pkt_a, base_pkt_b, vm1, vm2, frame_size):
+ """Create STLStream streams
+
+ :param base_pkt_a: Base packet a for stream_a
+ :param base_pkt_b: Base packet b for stream_b
+ :param vm1: vm for stream_a
+ :param vm2: vm for stream_b
+ :param frame_size: frame size or name of traffic profile
+ :type base_pkt_a: Eth (scapy)
+ :type base_pkt_b: Eth (scapy)
+ :type vm1: STLScVmRaw
+ :type vm2: STLScVmRaw
+ :frame_size: int or string
+ :return: stream_a, stream_b, stream_a_latency, stream_b_latency
+ :rtype: STLStream, STLStream, STLStream, STLStream
+ """
+
+ if type(frame_size) is int:
+
+ fsize_no_fcs = frame_size - 4 # no FCS
+ pkt_a = STLPktBuilder(pkt=base_pkt_a/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_a))), vm=vm1)
+ pkt_b = STLPktBuilder(pkt=base_pkt_b/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_b))), vm=vm2)
+ pkt_lat_a = STLPktBuilder(pkt=base_pkt_a/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_a))))
+ pkt_lat_b = STLPktBuilder(pkt=base_pkt_b/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_b))))
+ lat_stream1 = STLStream(packet=pkt_lat_a,
+ flow_stats=STLFlowLatencyStats(pg_id=0),
+ mode=STLTXCont(pps=1000))
+ # second traffic stream with a phase of 10ns (inter stream gap)
+ lat_stream2 = STLStream(packet=pkt_lat_b,
+ isg=10.0,
+ flow_stats=STLFlowLatencyStats(pg_id=1),
+ mode=STLTXCont(pps=1000))
+
+ stream1 = STLStream(packet=pkt_a,
+ mode=STLTXCont(pps=1000))
+ # second traffic stream with a phase of 10ns (inter stream gap)
+ stream2 = STLStream(packet=pkt_b,
+ isg=10.0,
+ mode=STLTXCont(pps=1000))
+ elif type(frame_size) is str:
+ lat_stream1 = []
+ lat_stream2 = []
+ stream1 = []
+ stream2 = []
+
+ for x in stream_table[frame_size]:
+ fsize_no_fcs = x['size'] - 4 # no FCS
+ pkt_a = STLPktBuilder(pkt=base_pkt_a/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_a))), vm=vm1)
+ pkt_b = STLPktBuilder(pkt=base_pkt_b/generate_payload(
+ max(0, fsize_no_fcs-len(base_pkt_b))), vm=vm2)
+
+ stream1.append(STLStream(packet=pkt_a,
+ isg=x['isg'],
+ mode=STLTXCont(pps=x['pps'])))
+ stream2.append(STLStream(packet=pkt_b,
+ isg=x['isg'],
+ mode=STLTXCont(pps=x['pps'])))
+
+ else:
+ raise ValueError("Unknown frame_size type")
+
+ return (stream1, stream2, lat_stream1, lat_stream2)
+
+def create_streams(traffic_options, frame_size=64):