+ pkt_a = STLPktBuilder(pkt=base_pkt_a/generate_payload(
+ fsize_no_fcs-len(base_pkt_a)), vm=vm1)
+ pkt_b = STLPktBuilder(pkt=base_pkt_b/generate_payload(
+ fsize_no_fcs-len(base_pkt_b)), vm=vm2)
+
+ return(pkt_a, pkt_b)
+
+
+def create_packets_v6(traffic_options, frame_size=78):
+ """Create two IPv6 packets to be used in stream.
+
+ :param traffic_options: Parameters for packets.
+ :param frame_size: Size of L2 frame.
+ :type traffic_options: List
+ :type frame_size: int
+ :return: Packet instances.
+ :rtype STLPktBuilder
+ """
+
+ if frame_size < 78:
+ print "Packet min. size is 78B"
+ sys.exit(2)
+
+ fsize_no_fcs = frame_size - 4 # no FCS
+
+ p1_src_start_ip = traffic_options['p1_src_start_ip']
+ p1_src_end_ip = traffic_options['p1_src_end_ip']
+ p1_dst_start_ip = traffic_options['p1_dst_start_ip']
+ p2_src_start_ip = traffic_options['p2_src_start_ip']
+ p2_src_end_ip = traffic_options['p2_src_end_ip']
+ p2_dst_start_ip = traffic_options['p2_dst_start_ip']
+
+ base_p1, max_p1 = get_start_end_ipv6(p1_src_start_ip, p1_src_end_ip)
+ base_p2, max_p2 = get_start_end_ipv6(p2_src_start_ip, p2_src_end_ip)
+
+ base_pkt_a = Ether()/IPv6(src=p1_src_start_ip, dst=p1_dst_start_ip)
+ base_pkt_b = Ether()/IPv6(src=p2_src_start_ip, dst=p2_dst_start_ip)
+
+ # The following code applies raw instructions to packet (IP src increment).
+ # It splits the generated traffic by "ip_src" variable to cores
+ vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
+ min_value=base_p1,
+ max_value=max_p1+base_p1,
+ size=8, op="inc"),
+ STLVmWrFlowVar(fv_name="ipv6_src", pkt_offset="IPv6.src",
+ offset_fixup=8)
+ ]
+ , split_by_field="ipv6_src")
+
+ # The following code applies raw instructions to packet (IP src increment).
+ # It splits the generated traffic by "ip_src" variable to cores
+ vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
+ min_value=base_p2,
+ max_value=max_p2+base_p2,
+ size=8, op="inc"),
+ STLVmWrFlowVar(fv_name="ipv6_src", pkt_offset="IPv6.src",
+ offset_fixup=8)
+ ]
+ , split_by_field="ipv6_src")
+