#!/usr/bin/env python """ Copyright (c) 2014-2018 Alex Forencich Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ from myhdl import * import os import udp_ep module = 'udp_mux_4' testbench = 'test_%s' % module srcs = [] srcs.append("../rtl/%s.v" % module) srcs.append("%s.v" % testbench) src = ' '.join(srcs) build_cmd = "iverilog -o %s.vvp %s" % (testbench, src) def bench(): # Inputs clk = Signal(bool(0)) rst = Signal(bool(0)) current_test = Signal(intbv(0)[8:]) input_0_udp_hdr_valid = Signal(bool(0)) input_0_eth_dest_mac = Signal(intbv(0)[48:]) input_0_eth_src_mac = Signal(intbv(0)[48:]) input_0_eth_type = Signal(intbv(0)[16:]) input_0_ip_version = Signal(intbv(0)[4:]) input_0_ip_ihl = Signal(intbv(0)[4:]) input_0_ip_dscp = Signal(intbv(0)[6:]) input_0_ip_ecn = Signal(intbv(0)[2:]) input_0_ip_length = Signal(intbv(0)[16:]) input_0_ip_identification = Signal(intbv(0)[16:]) input_0_ip_flags = Signal(intbv(0)[3:]) input_0_ip_fragment_offset = Signal(intbv(0)[13:]) input_0_ip_ttl = Signal(intbv(0)[8:]) input_0_ip_protocol = Signal(intbv(0)[8:]) input_0_ip_header_checksum = Signal(intbv(0)[16:]) input_0_ip_source_ip = Signal(intbv(0)[32:]) input_0_ip_dest_ip = Signal(intbv(0)[32:]) input_0_udp_source_port = Signal(intbv(0)[16:]) input_0_udp_dest_port = Signal(intbv(0)[16:]) input_0_udp_length = Signal(intbv(0)[16:]) input_0_udp_checksum = Signal(intbv(0)[16:]) input_0_udp_payload_tdata = Signal(intbv(0)[8:]) input_0_udp_payload_tvalid = Signal(bool(0)) input_0_udp_payload_tlast = Signal(bool(0)) input_0_udp_payload_tuser = Signal(bool(0)) input_1_udp_hdr_valid = Signal(bool(0)) input_1_eth_dest_mac = Signal(intbv(0)[48:]) input_1_eth_src_mac = Signal(intbv(0)[48:]) input_1_eth_type = Signal(intbv(0)[16:]) input_1_ip_version = Signal(intbv(0)[4:]) input_1_ip_ihl = Signal(intbv(0)[4:]) input_1_ip_dscp = Signal(intbv(0)[6:]) input_1_ip_ecn = Signal(intbv(0)[2:]) input_1_ip_length = Signal(intbv(0)[16:]) input_1_ip_identification = Signal(intbv(0)[16:]) input_1_ip_flags = Signal(intbv(0)[3:]) input_1_ip_fragment_offset = Signal(intbv(0)[13:]) input_1_ip_ttl = Signal(intbv(0)[8:]) input_1_ip_protocol = Signal(intbv(0)[8:]) input_1_ip_header_checksum = Signal(intbv(0)[16:]) input_1_ip_source_ip = Signal(intbv(0)[32:]) input_1_ip_dest_ip = Signal(intbv(0)[32:]) input_1_udp_source_port = Signal(intbv(0)[16:]) input_1_udp_dest_port = Signal(intbv(0)[16:]) input_1_udp_length = Signal(intbv(0)[16:]) input_1_udp_checksum = Signal(intbv(0)[16:]) input_1_udp_payload_tdata = Signal(intbv(0)[8:]) input_1_udp_payload_tvalid = Signal(bool(0)) input_1_udp_payload_tlast = Signal(bool(0)) input_1_udp_payload_tuser = Signal(bool(0)) input_2_udp_hdr_valid = Signal(bool(0)) input_2_eth_dest_mac = Signal(intbv(0)[48:]) input_2_eth_src_mac = Signal(intbv(0)[48:]) input_2_eth_type = Signal(intbv(0)[16:]) input_2_ip_version = Signal(intbv(0)[4:]) input_2_ip_ihl = Signal(intbv(0)[4:]) input_2_ip_dscp = Signal(intbv(0)[6:]) input_2_ip_ecn = Signal(intbv(0)[2:]) input_2_ip_length = Signal(intbv(0)[16:]) input_2_ip_identification = Signal(intbv(0)[16:]) input_2_ip_flags = Signal(intbv(0)[3:]) input_2_ip_fragment_offset = Signal(intbv(0)[13:]) input_2_ip_ttl = Signal(intbv(0)[8:]) input_2_ip_protocol = Signal(intbv(0)[8:]) input_2_ip_header_checksum = Signal(intbv(0)[16:]) input_2_ip_source_ip = Signal(intbv(0)[32:]) input_2_ip_dest_ip = Signal(intbv(0)[32:]) input_2_udp_source_port = Signal(intbv(0)[16:]) input_2_udp_dest_port = Signal(intbv(0)[16:]) input_2_udp_length = Signal(intbv(0)[16:]) input_2_udp_checksum = Signal(intbv(0)[16:]) input_2_udp_payload_tdata = Signal(intbv(0)[8:]) input_2_udp_payload_tvalid = Signal(bool(0)) input_2_udp_payload_tlast = Signal(bool(0)) input_2_udp_payload_tuser = Signal(bool(0)) input_3_udp_hdr_valid = Signal(bool(0)) input_3_eth_dest_mac = Signal(intbv(0)[48:]) input_3_eth_src_mac = Signal(intbv(0)[48:]) input_3_eth_type = Signal(intbv(0)[16:]) input_3_ip_version = Signal(intbv(0)[4:]) input_3_ip_ihl = Signal(intbv(0)[4:]) input_3_ip_dscp = Signal(intbv(0)[6:]) input_3_ip_ecn = Signal(intbv(0)[2:]) input_3_ip_length = Signal(intbv(0)[16:]) input_3_ip_identification = Signal(intbv(0)[16:]) input_3_ip_flags = Signal(intbv(0)[3:]) input_3_ip_fragment_offset = Signal(intbv(0)[13:]) input_3_ip_ttl = Signal(intbv(0)[8:]) input_3_ip_protocol = Signal(intbv(0)[8:]) input_3_ip_header_checksum = Signal(intbv(0)[16:]) input_3_ip_source_ip = Signal(intbv(0)[32:]) input_3_ip_dest_ip = Signal(intbv(0)[32:]) input_3_udp_source_port = Signal(intbv(0)[16:]) input_3_udp_dest_port = Signal(intbv(0)[16:]) input_3_udp_length = Signal(intbv(0)[16:]) input_3_udp_checksum = Signal(intbv(0)[16:]) input_3_udp_payload_tdata = Signal(intbv(0)[8:]) input_3_udp_payload_tvalid = Signal(bool(0)) input_3_udp_payload_tlast = Signal(bool(0)) input_3_udp_payload_tuser = Signal(bool(0)) output_udp_payload_tready = Signal(bool(0)) output_udp_hdr_ready = Signal(bool(0)) enable = Signal(bool(0)) select = Signal(intbv(0)[2:]) # Outputs input_0_udp_hdr_ready = Signal(bool(0)) input_0_udp_payload_tready = Signal(bool(0)) input_1_udp_hdr_ready = Signal(bool(0)) input_1_udp_payload_tready = Signal(bool(0)) input_2_udp_hdr_ready = Signal(bool(0)) input_2_udp_payload_tready = Signal(bool(0)) input_3_udp_hdr_ready = Signal(bool(0)) input_3_udp_payload_tready = Signal(bool(0)) output_udp_hdr_valid = Signal(bool(0)) output_eth_dest_mac = Signal(intbv(0)[48:]) output_eth_src_mac = Signal(intbv(0)[48:]) output_eth_type = Signal(intbv(0)[16:]) output_ip_version = Signal(intbv(0)[4:]) output_ip_ihl = Signal(intbv(0)[4:]) output_ip_dscp = Signal(intbv(0)[6:]) output_ip_ecn = Signal(intbv(0)[2:]) output_ip_length = Signal(intbv(0)[16:]) output_ip_identification = Signal(intbv(0)[16:]) output_ip_flags = Signal(intbv(0)[3:]) output_ip_fragment_offset = Signal(intbv(0)[13:]) output_ip_ttl = Signal(intbv(0)[8:]) output_ip_protocol = Signal(intbv(0)[8:]) output_ip_header_checksum = Signal(intbv(0)[16:]) output_ip_source_ip = Signal(intbv(0)[32:]) output_ip_dest_ip = Signal(intbv(0)[32:]) output_udp_source_port = Signal(intbv(0)[16:]) output_udp_dest_port = Signal(intbv(0)[16:]) output_udp_length = Signal(intbv(0)[16:]) output_udp_checksum = Signal(intbv(0)[16:]) output_udp_payload_tdata = Signal(intbv(0)[8:]) output_udp_payload_tvalid = Signal(bool(0)) output_udp_payload_tlast = Signal(bool(0)) output_udp_payload_tuser = Signal(bool(0)) # sources and sinks source_0_pause = Signal(bool(0)) source_1_pause = Signal(bool(0)) source_2_pause = Signal(bool(0)) source_3_pause = Signal(bool(0)) sink_pause = Signal(bool(0)) source_0 = udp_ep.UDPFrameSource() source_0_logic = source_0.create_logic( clk, rst, udp_hdr_ready=input_0_udp_hdr_ready, udp_hdr_valid=input_0_udp_hdr_valid, eth_dest_mac=input_0_eth_dest_mac, eth_src_mac=input_0_eth_src_mac, eth_type=input_0_eth_type, ip_version=input_0_ip_version, ip_ihl=input_0_ip_ihl, ip_dscp=input_0_ip_dscp, ip_ecn=input_0_ip_ecn, ip_length=input_0_ip_length, ip_identification=input_0_ip_identification, ip_flags=input_0_ip_flags, ip_fragment_offset=input_0_ip_fragment_offset, ip_ttl=input_0_ip_ttl, ip_protocol=input_0_ip_protocol, ip_header_checksum=input_0_ip_header_checksum, ip_source_ip=input_0_ip_source_ip, ip_dest_ip=input_0_ip_dest_ip, udp_source_port=input_0_udp_source_port, udp_dest_port=input_0_udp_dest_port, udp_length=input_0_udp_length, udp_checksum=input_0_udp_checksum, udp_payload_tdata=input_0_udp_payload_tdata, udp_payload_tvalid=input_0_udp_payload_tvalid, udp_payload_tready=input_0_udp_payload_tready, udp_payload_tlast=input_0_udp_payload_tlast, udp_payload_tuser=input_0_udp_payload_tuser, pause=source_0_pause, name='source_0' ) source_1 = udp_ep.UDPFrameSource() source_1_logic = source_1.create_logic( clk, rst, udp_hdr_ready=input_1_udp_hdr_ready, udp_hdr_valid=input_1_udp_hdr_valid, eth_dest_mac=input_1_eth_dest_mac, eth_src_mac=input_1_eth_src_mac, eth_type=input_1_eth_type, ip_version=input_1_ip_version, ip_ihl=input_1_ip_ihl, ip_dscp=input_1_ip_dscp, ip_ecn=input_1_ip_ecn, ip_length=input_1_ip_length, ip_identification=input_1_ip_identification, ip_flags=input_1_ip_flags, ip_fragment_offset=input_1_ip_fragment_offset, ip_ttl=input_1_ip_ttl, ip_protocol=input_1_ip_protocol, ip_header_checksum=input_1_ip_header_checksum, ip_source_ip=input_1_ip_source_ip, ip_dest_ip=input_1_ip_dest_ip, udp_source_port=input_1_udp_source_port, udp_dest_port=input_1_udp_dest_port, udp_length=input_1_udp_length, udp_checksum=input_1_udp_checksum, udp_payload_tdata=input_1_udp_payload_tdata, udp_payload_tvalid=input_1_udp_payload_tvalid, udp_payload_tready=input_1_udp_payload_tready, udp_payload_tlast=input_1_udp_payload_tlast, udp_payload_tuser=input_1_udp_payload_tuser, pause=source_1_pause, name='source_1' ) source_2 = udp_ep.UDPFrameSource() source_2_logic = source_2.create_logic( clk, rst, udp_hdr_ready=input_2_udp_hdr_ready, udp_hdr_valid=input_2_udp_hdr_valid, eth_dest_mac=input_2_eth_dest_mac, eth_src_mac=input_2_eth_src_mac, eth_type=input_2_eth_type, ip_version=input_2_ip_version, ip_ihl=input_2_ip_ihl, ip_dscp=input_2_ip_dscp, ip_ecn=input_2_ip_ecn, ip_length=input_2_ip_length, ip_identification=input_2_ip_identification, ip_flags=input_2_ip_flags, ip_fragment_offset=input_2_ip_fragment_offset, ip_ttl=input_2_ip_ttl, ip_protocol=input_2_ip_protocol, ip_header_checksum=input_2_ip_header_checksum, ip_source_ip=input_2_ip_source_ip, ip_dest_ip=input_2_ip_dest_ip, udp_source_port=input_2_udp_source_port, udp_dest_port=input_2_udp_dest_port, udp_length=input_2_udp_length, udp_checksum=input_2_udp_checksum, udp_payload_tdata=input_2_udp_payload_tdata, udp_payload_tvalid=input_2_udp_payload_tvalid, udp_payload_tready=input_2_udp_payload_tready, udp_payload_tlast=input_2_udp_payload_tlast, udp_payload_tuser=input_2_udp_payload_tuser, pause=source_2_pause, name='source_2' ) source_3 = udp_ep.UDPFrameSource() source_3_logic = source_3.create_logic( clk, rst, udp_hdr_ready=input_3_udp_hdr_ready, udp_hdr_valid=input_3_udp_hdr_valid, eth_dest_mac=input_3_eth_dest_mac, eth_src_mac=input_3_eth_src_mac, eth_type=input_3_eth_type, ip_version=input_3_ip_version, ip_ihl=input_3_ip_ihl, ip_dscp=input_3_ip_dscp, ip_ecn=input_3_ip_ecn, ip_length=input_3_ip_length, ip_identification=input_3_ip_identification, ip_flags=input_3_ip_flags, ip_fragment_offset=input_3_ip_fragment_offset, ip_ttl=input_3_ip_ttl, ip_protocol=input_3_ip_protocol, ip_header_checksum=input_3_ip_header_checksum, ip_source_ip=input_3_ip_source_ip, ip_dest_ip=input_3_ip_dest_ip, udp_source_port=input_3_udp_source_port, udp_dest_port=input_3_udp_dest_port, udp_length=input_3_udp_length, udp_checksum=input_3_udp_checksum, udp_payload_tdata=input_3_udp_payload_tdata, udp_payload_tvalid=input_3_udp_payload_tvalid, udp_payload_tready=input_3_udp_payload_tready, udp_payload_tlast=input_3_udp_payload_tlast, udp_payload_tuser=input_3_udp_payload_tuser, pause=source_3_pause, name='source_3' ) sink = udp_ep.UDPFrameSink() sink_logic = sink.create_logic( clk, rst, udp_hdr_ready=output_udp_hdr_ready, udp_hdr_valid=output_udp_hdr_valid, eth_dest_mac=output_eth_dest_mac, eth_src_mac=output_eth_src_mac, eth_type=output_eth_type, ip_version=output_ip_version, ip_ihl=output_ip_ihl, ip_dscp=output_ip_dscp, ip_ecn=output_ip_ecn, ip_length=output_ip_length, ip_identification=output_ip_identification, ip_flags=output_ip_flags, ip_fragment_offset=output_ip_fragment_offset, ip_ttl=output_ip_ttl, ip_protocol=output_ip_protocol, ip_header_checksum=output_ip_header_checksum, ip_source_ip=output_ip_source_ip, ip_dest_ip=output_ip_dest_ip, udp_source_port=output_udp_source_port, udp_dest_port=output_udp_dest_port, udp_length=output_udp_length, udp_checksum=output_udp_checksum, udp_payload_tdata=output_udp_payload_tdata, udp_payload_tvalid=output_udp_payload_tvalid, udp_payload_tready=output_udp_payload_tready, udp_payload_tlast=output_udp_payload_tlast, udp_payload_tuser=output_udp_payload_tuser, pause=sink_pause, name='sink' ) # DUT if os.system(build_cmd): raise Exception("Error running build command") dut = Cosimulation( "vvp -m myhdl %s.vvp -lxt2" % testbench, clk=clk, rst=rst, current_test=current_test, input_0_udp_hdr_valid=input_0_udp_hdr_valid, input_0_udp_hdr_ready=input_0_udp_hdr_ready, input_0_eth_dest_mac=input_0_eth_dest_mac, input_0_eth_src_mac=input_0_eth_src_mac, input_0_eth_type=input_0_eth_type, input_0_ip_version=input_0_ip_version, input_0_ip_ihl=input_0_ip_ihl, input_0_ip_dscp=input_0_ip_dscp, input_0_ip_ecn=input_0_ip_ecn, input_0_ip_length=input_0_ip_length, input_0_ip_identification=input_0_ip_identification, input_0_ip_flags=input_0_ip_flags, input_0_ip_fragment_offset=input_0_ip_fragment_offset, input_0_ip_ttl=input_0_ip_ttl, input_0_ip_protocol=input_0_ip_protocol, input_0_ip_header_checksum=input_0_ip_header_checksum, input_0_ip_source_ip=input_0_ip_source_ip, input_0_ip_dest_ip=input_0_ip_dest_ip, input_0_udp_source_port=input_0_udp_source_port, input_0_udp_dest_port=input_0_udp_dest_port, input_0_udp_length=input_0_udp_length, input_0_udp_checksum=input_0_udp_checksum, input_0_udp_payload_tdata=input_0_udp_payload_tdata, input_0_udp_payload_tvalid=input_0_udp_payload_tvalid, input_0_udp_payload_tready=input_0_udp_payload_tready, input_0_udp_payload_tlast=input_0_udp_payload_tlast, input_0_udp_payload_tuser=input_0_udp_payload_tuser, input_1_udp_hdr_valid=input_1_udp_hdr_valid, input_1_udp_hdr_ready=input_1_udp_hdr_ready, input_1_eth_dest_mac=input_1_eth_dest_mac, input_1_eth_src_mac=input_1_eth_src_mac, input_1_eth_type=input_1_eth_type, input_1_ip_version=input_1_ip_version, input_1_ip_ihl=input_1_ip_ihl, input_1_ip_dscp=input_1_ip_dscp, input_1_ip_ecn=input_1_ip_ecn, input_1_ip_length=input_1_ip_length, input_1_ip_identification=input_1_ip_identification, input_1_ip_flags=input_1_ip_flags, input_1_ip_fragment_offset=input_1_ip_fragment_offset, input_1_ip_ttl=input_1_ip_ttl, input_1_ip_protocol=input_1_ip_protocol, input_1_ip_header_checksum=input_1_ip_header_checksum, input_1_ip_source_ip=input_1_ip_source_ip, input_1_ip_dest_ip=input_1_ip_dest_ip, input_1_udp_source_port=input_1_udp_source_port, input_1_udp_dest_port=input_1_udp_dest_port, input_1_udp_length=input_1_udp_length, input_1_udp_checksum=input_1_udp_checksum, input_1_udp_payload_tdata=input_1_udp_payload_tdata, input_1_udp_payload_tvalid=input_1_udp_payload_tvalid, input_1_udp_payload_tready=input_1_udp_payload_tready, input_1_udp_payload_tlast=input_1_udp_payload_tlast, input_1_udp_payload_tuser=input_1_udp_payload_tuser, input_2_udp_hdr_valid=input_2_udp_hdr_valid, input_2_udp_hdr_ready=input_2_udp_hdr_ready, input_2_eth_dest_mac=input_2_eth_dest_mac, input_2_eth_src_mac=input_2_eth_src_mac, input_2_eth_type=input_2_eth_type, input_2_ip_version=input_2_ip_version, input_2_ip_ihl=input_2_ip_ihl, input_2_ip_dscp=input_2_ip_dscp, input_2_ip_ecn=input_2_ip_ecn, input_2_ip_length=input_2_ip_length, input_2_ip_identification=input_2_ip_identification, input_2_ip_flags=input_2_ip_flags, input_2_ip_fragment_offset=input_2_ip_fragment_offset, input_2_ip_ttl=input_2_ip_ttl, input_2_ip_protocol=input_2_ip_protocol, input_2_ip_header_checksum=input_2_ip_header_checksum, input_2_ip_source_ip=input_2_ip_source_ip, input_2_ip_dest_ip=input_2_ip_dest_ip, input_2_udp_source_port=input_2_udp_source_port, input_2_udp_dest_port=input_2_udp_dest_port, input_2_udp_length=input_2_udp_length, input_2_udp_checksum=input_2_udp_checksum, input_2_udp_payload_tdata=input_2_udp_payload_tdata, input_2_udp_payload_tvalid=input_2_udp_payload_tvalid, input_2_udp_payload_tready=input_2_udp_payload_tready, input_2_udp_payload_tlast=input_2_udp_payload_tlast, input_2_udp_payload_tuser=input_2_udp_payload_tuser, input_3_udp_hdr_valid=input_3_udp_hdr_valid, input_3_udp_hdr_ready=input_3_udp_hdr_ready, input_3_eth_dest_mac=input_3_eth_dest_mac, input_3_eth_src_mac=input_3_eth_src_mac, input_3_eth_type=input_3_eth_type, input_3_ip_version=input_3_ip_version, input_3_ip_ihl=input_3_ip_ihl, input_3_ip_dscp=input_3_ip_dscp, input_3_ip_ecn=input_3_ip_ecn, input_3_ip_length=input_3_ip_length, input_3_ip_identification=input_3_ip_identification, input_3_ip_flags=input_3_ip_flags, input_3_ip_fragment_offset=input_3_ip_fragment_offset, input_3_ip_ttl=input_3_ip_ttl, input_3_ip_protocol=input_3_ip_protocol, input_3_ip_header_checksum=input_3_ip_header_checksum, input_3_ip_source_ip=input_3_ip_source_ip, input_3_ip_dest_ip=input_3_ip_dest_ip, input_3_udp_source_port=input_3_udp_source_port, input_3_udp_dest_port=input_3_udp_dest_port, input_3_udp_length=input_3_udp_length, input_3_udp_checksum=input_3_udp_checksum, input_3_udp_payload_tdata=input_3_udp_payload_tdata, input_3_udp_payload_tvalid=input_3_udp_payload_tvalid, input_3_udp_payload_tready=input_3_udp_payload_tready, input_3_udp_payload_tlast=input_3_udp_payload_tlast, input_3_udp_payload_tuser=input_3_udp_payload_tuser, output_udp_hdr_valid=output_udp_hdr_valid, output_udp_hdr_ready=output_udp_hdr_ready, output_eth_dest_mac=output_eth_dest_mac, output_eth_src_mac=output_eth_src_mac, output_eth_type=output_eth_type, output_ip_version=output_ip_version, output_ip_ihl=output_ip_ihl, output_ip_dscp=output_ip_dscp, output_ip_ecn=output_ip_ecn, output_ip_length=output_ip_length, output_ip_identification=output_ip_identification, output_ip_flags=output_ip_flags, output_ip_fragment_offset=output_ip_fragment_offset, output_ip_ttl=output_ip_ttl, output_ip_protocol=output_ip_protocol, output_ip_header_checksum=output_ip_header_checksum, output_ip_source_ip=output_ip_source_ip, output_ip_dest_ip=output_ip_dest_ip, output_udp_source_port=output_udp_source_port, output_udp_dest_port=output_udp_dest_port, output_udp_length=output_udp_length, output_udp_checksum=output_udp_checksum, output_udp_payload_tdata=output_udp_payload_tdata, output_udp_payload_tvalid=output_udp_payload_tvalid, output_udp_payload_tready=output_udp_payload_tready, output_udp_payload_tlast=output_udp_payload_tlast, output_udp_payload_tuser=output_udp_payload_tuser, enable=enable, select=select ) @always(delay(4)) def clkgen(): clk.next = not clk @instance def check(): yield delay(100) yield clk.posedge rst.next = 1 yield clk.posedge rst.next = 0 yield clk.posedge yield delay(100) yield clk.posedge yield clk.posedge enable.next = True yield clk.posedge print("test 1: select port 0") current_test.next = 1 select.next = 0 test_frame = udp_ep.UDPFrame() test_frame.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame.eth_src_mac = 0x5A5152535455 test_frame.eth_type = 0x8000 test_frame.ip_version = 4 test_frame.ip_ihl = 5 test_frame.ip_dscp = 0 test_frame.ip_ecn = 0 test_frame.ip_length = None test_frame.ip_identification = 0 test_frame.ip_flags = 2 test_frame.ip_fragment_offset = 0 test_frame.ip_ttl = 64 test_frame.ip_protocol = 0x11 test_frame.ip_header_checksum = None test_frame.ip_source_ip = 0xc0a80165 test_frame.ip_dest_ip = 0xc0a80164 test_frame.udp_source_port = 1 test_frame.udp_dest_port = 2 test_frame.udp_length = None test_frame.udp_checksum = None test_frame.payload = bytearray(range(32)) test_frame.build() source_0.send(test_frame) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame yield delay(100) yield clk.posedge print("test 2: select port 1") current_test.next = 2 select.next = 1 test_frame = udp_ep.UDPFrame() test_frame.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame.eth_src_mac = 0x5A5152535455 test_frame.eth_type = 0x8000 test_frame.ip_version = 4 test_frame.ip_ihl = 5 test_frame.ip_dscp = 0 test_frame.ip_ecn = 0 test_frame.ip_length = None test_frame.ip_identification = 0 test_frame.ip_flags = 2 test_frame.ip_fragment_offset = 0 test_frame.ip_ttl = 64 test_frame.ip_protocol = 0x11 test_frame.ip_header_checksum = None test_frame.ip_source_ip = 0xc0a80165 test_frame.ip_dest_ip = 0xc0a80164 test_frame.udp_source_port = 1 test_frame.udp_dest_port = 2 test_frame.udp_length = None test_frame.udp_checksum = None test_frame.payload = bytearray(range(32)) test_frame.build() source_1.send(test_frame) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame yield delay(100) yield clk.posedge print("test 3: back-to-back packets, same port") current_test.next = 3 select.next = 0 test_frame1 = udp_ep.UDPFrame() test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame1.eth_src_mac = 0x5A5152535455 test_frame1.eth_type = 0x8000 test_frame1.ip_version = 4 test_frame1.ip_ihl = 5 test_frame1.ip_dscp = 0 test_frame1.ip_ecn = 0 test_frame1.ip_length = None test_frame1.ip_identification = 0 test_frame1.ip_flags = 2 test_frame1.ip_fragment_offset = 0 test_frame1.ip_ttl = 64 test_frame1.ip_protocol = 0x11 test_frame1.ip_header_checksum = None test_frame1.ip_source_ip = 0xc0a80165 test_frame1.ip_dest_ip = 0xc0a80164 test_frame1.udp_source_port = 1 test_frame1.udp_dest_port = 2 test_frame1.udp_length = None test_frame1.udp_checksum = None test_frame1.payload = bytearray(range(32)) test_frame1.build() test_frame2 = udp_ep.UDPFrame() test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame2.eth_src_mac = 0x5A5152535455 test_frame2.eth_type = 0x8000 test_frame2.ip_version = 4 test_frame2.ip_ihl = 5 test_frame2.ip_dscp = 0 test_frame2.ip_ecn = 0 test_frame2.ip_length = None test_frame2.ip_identification = 0 test_frame2.ip_flags = 2 test_frame2.ip_fragment_offset = 0 test_frame2.ip_ttl = 64 test_frame2.ip_protocol = 0x11 test_frame2.ip_header_checksum = None test_frame2.ip_source_ip = 0xc0a80165 test_frame2.ip_dest_ip = 0xc0a80164 test_frame2.udp_source_port = 1 test_frame2.udp_dest_port = 2 test_frame2.udp_length = None test_frame2.udp_checksum = None test_frame2.payload = bytearray(range(32)) test_frame2.build() source_0.send(test_frame1) source_0.send(test_frame2) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame1 rx_frame = sink.recv() assert rx_frame == test_frame2 yield delay(100) yield clk.posedge print("test 4: back-to-back packets, different ports") current_test.next = 4 select.next = 1 test_frame1 = udp_ep.UDPFrame() test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame1.eth_src_mac = 0x5A5152535455 test_frame1.eth_type = 0x8000 test_frame1.ip_version = 4 test_frame1.ip_ihl = 5 test_frame1.ip_dscp = 0 test_frame1.ip_ecn = 0 test_frame1.ip_length = None test_frame1.ip_identification = 0 test_frame1.ip_flags = 2 test_frame1.ip_fragment_offset = 0 test_frame1.ip_ttl = 64 test_frame1.ip_protocol = 0x11 test_frame1.ip_header_checksum = None test_frame1.ip_source_ip = 0xc0a80165 test_frame1.ip_dest_ip = 0xc0a80164 test_frame1.udp_source_port = 1 test_frame1.udp_dest_port = 2 test_frame1.udp_length = None test_frame1.udp_checksum = None test_frame1.payload = bytearray(range(32)) test_frame1.build() test_frame2 = udp_ep.UDPFrame() test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame2.eth_src_mac = 0x5A5152535455 test_frame2.eth_type = 0x8000 test_frame2.ip_version = 4 test_frame2.ip_ihl = 5 test_frame2.ip_dscp = 0 test_frame2.ip_ecn = 0 test_frame2.ip_length = None test_frame2.ip_identification = 0 test_frame2.ip_flags = 2 test_frame2.ip_fragment_offset = 0 test_frame2.ip_ttl = 64 test_frame2.ip_protocol = 0x11 test_frame2.ip_header_checksum = None test_frame2.ip_source_ip = 0xc0a80165 test_frame2.ip_dest_ip = 0xc0a80164 test_frame2.udp_source_port = 1 test_frame2.udp_dest_port = 2 test_frame2.udp_length = None test_frame2.udp_checksum = None test_frame2.payload = bytearray(range(32)) test_frame2.build() source_1.send(test_frame1) source_2.send(test_frame2) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: yield clk.posedge select.next = 2 yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame1 rx_frame = sink.recv() assert rx_frame == test_frame2 yield delay(100) yield clk.posedge print("test 5: alterate pause source") current_test.next = 5 select.next = 1 test_frame1 = udp_ep.UDPFrame() test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame1.eth_src_mac = 0x5A5152535455 test_frame1.eth_type = 0x8000 test_frame1.ip_version = 4 test_frame1.ip_ihl = 5 test_frame1.ip_dscp = 0 test_frame1.ip_ecn = 0 test_frame1.ip_length = None test_frame1.ip_identification = 0 test_frame1.ip_flags = 2 test_frame1.ip_fragment_offset = 0 test_frame1.ip_ttl = 64 test_frame1.ip_protocol = 0x11 test_frame1.ip_header_checksum = None test_frame1.ip_source_ip = 0xc0a80165 test_frame1.ip_dest_ip = 0xc0a80164 test_frame1.udp_source_port = 1 test_frame1.udp_dest_port = 2 test_frame1.udp_length = None test_frame1.udp_checksum = None test_frame1.payload = bytearray(range(32)) test_frame1.build() test_frame2 = udp_ep.UDPFrame() test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame2.eth_src_mac = 0x5A5152535455 test_frame2.eth_type = 0x8000 test_frame2.ip_version = 4 test_frame2.ip_ihl = 5 test_frame2.ip_dscp = 0 test_frame2.ip_ecn = 0 test_frame2.ip_length = None test_frame2.ip_identification = 0 test_frame2.ip_flags = 2 test_frame2.ip_fragment_offset = 0 test_frame2.ip_ttl = 64 test_frame2.ip_protocol = 0x11 test_frame2.ip_header_checksum = None test_frame2.ip_source_ip = 0xc0a80165 test_frame2.ip_dest_ip = 0xc0a80164 test_frame2.udp_source_port = 1 test_frame2.udp_dest_port = 2 test_frame2.udp_length = None test_frame2.udp_checksum = None test_frame2.payload = bytearray(range(32)) test_frame2.build() source_1.send(test_frame1) source_2.send(test_frame2) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: source_0_pause.next = True source_1_pause.next = True source_2_pause.next = True source_3_pause.next = True yield clk.posedge yield clk.posedge yield clk.posedge source_0_pause.next = False source_1_pause.next = False source_2_pause.next = False source_3_pause.next = False yield clk.posedge select.next = 2 yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame1 rx_frame = sink.recv() assert rx_frame == test_frame2 yield delay(100) yield clk.posedge print("test 6: alterate pause sink") current_test.next = 6 select.next = 1 test_frame1 = udp_ep.UDPFrame() test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame1.eth_src_mac = 0x5A5152535455 test_frame1.eth_type = 0x8000 test_frame1.ip_version = 4 test_frame1.ip_ihl = 5 test_frame1.ip_dscp = 0 test_frame1.ip_ecn = 0 test_frame1.ip_length = None test_frame1.ip_identification = 0 test_frame1.ip_flags = 2 test_frame1.ip_fragment_offset = 0 test_frame1.ip_ttl = 64 test_frame1.ip_protocol = 0x11 test_frame1.ip_header_checksum = None test_frame1.ip_source_ip = 0xc0a80165 test_frame1.ip_dest_ip = 0xc0a80164 test_frame1.udp_source_port = 1 test_frame1.udp_dest_port = 2 test_frame1.udp_length = None test_frame1.udp_checksum = None test_frame1.payload = bytearray(range(32)) test_frame1.build() test_frame2 = udp_ep.UDPFrame() test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5 test_frame2.eth_src_mac = 0x5A5152535455 test_frame2.eth_type = 0x8000 test_frame2.ip_version = 4 test_frame2.ip_ihl = 5 test_frame2.ip_dscp = 0 test_frame2.ip_ecn = 0 test_frame2.ip_length = None test_frame2.ip_identification = 0 test_frame2.ip_flags = 2 test_frame2.ip_fragment_offset = 0 test_frame2.ip_ttl = 64 test_frame2.ip_protocol = 0x11 test_frame2.ip_header_checksum = None test_frame2.ip_source_ip = 0xc0a80165 test_frame2.ip_dest_ip = 0xc0a80164 test_frame2.udp_source_port = 1 test_frame2.udp_dest_port = 2 test_frame2.udp_length = None test_frame2.udp_checksum = None test_frame2.payload = bytearray(range(32)) test_frame2.build() source_1.send(test_frame1) source_2.send(test_frame2) yield clk.posedge yield clk.posedge while input_0_udp_payload_tvalid or input_1_udp_payload_tvalid or input_2_udp_payload_tvalid or input_3_udp_payload_tvalid: sink_pause.next = True yield clk.posedge yield clk.posedge yield clk.posedge sink_pause.next = False yield clk.posedge select.next = 2 yield clk.posedge yield clk.posedge yield clk.posedge rx_frame = sink.recv() assert rx_frame == test_frame1 rx_frame = sink.recv() assert rx_frame == test_frame2 yield delay(100) raise StopSimulation return instances() def test_bench(): os.chdir(os.path.dirname(os.path.abspath(__file__))) sim = Simulation(bench()) sim.run() if __name__ == '__main__': print("Running test...") test_bench()