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780 lines
32 KiB
Python
Executable File
780 lines
32 KiB
Python
Executable File
#!/usr/bin/env python2
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"""
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Copyright (c) 2014 Alex Forencich
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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from myhdl import *
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import os
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from Queue import Queue
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import eth_ep
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import ip_ep
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import udp_ep
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module = 'udp'
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srcs = []
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srcs.append("../rtl/%s.v" % module)
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srcs.append("../rtl/udp_ip_rx.v")
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srcs.append("../rtl/udp_ip_tx.v")
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srcs.append("test_%s.v" % module)
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src = ' '.join(srcs)
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build_cmd = "iverilog -o test_%s.vvp %s" % (module, src)
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def dut_udp(clk,
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rst,
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current_test,
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input_ip_hdr_valid,
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input_ip_hdr_ready,
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input_ip_eth_dest_mac,
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input_ip_eth_src_mac,
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input_ip_eth_type,
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input_ip_version,
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input_ip_ihl,
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input_ip_dscp,
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input_ip_ecn,
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input_ip_length,
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input_ip_identification,
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input_ip_flags,
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input_ip_fragment_offset,
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input_ip_ttl,
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input_ip_protocol,
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input_ip_header_checksum,
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input_ip_source_ip,
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input_ip_dest_ip,
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input_ip_payload_tdata,
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input_ip_payload_tvalid,
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input_ip_payload_tready,
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input_ip_payload_tlast,
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input_ip_payload_tuser,
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output_ip_hdr_valid,
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output_ip_hdr_ready,
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output_ip_eth_dest_mac,
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output_ip_eth_src_mac,
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output_ip_eth_type,
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output_ip_version,
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output_ip_ihl,
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output_ip_dscp,
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output_ip_ecn,
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output_ip_length,
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output_ip_identification,
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output_ip_flags,
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output_ip_fragment_offset,
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output_ip_ttl,
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output_ip_protocol,
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output_ip_header_checksum,
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output_ip_source_ip,
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output_ip_dest_ip,
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output_ip_payload_tdata,
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output_ip_payload_tvalid,
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output_ip_payload_tready,
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output_ip_payload_tlast,
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output_ip_payload_tuser,
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input_udp_hdr_valid,
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input_udp_hdr_ready,
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input_udp_eth_dest_mac,
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input_udp_eth_src_mac,
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input_udp_eth_type,
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input_udp_ip_version,
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input_udp_ip_ihl,
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input_udp_ip_dscp,
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input_udp_ip_ecn,
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input_udp_ip_identification,
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input_udp_ip_flags,
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input_udp_ip_fragment_offset,
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input_udp_ip_ttl,
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input_udp_ip_header_checksum,
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input_udp_ip_source_ip,
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input_udp_ip_dest_ip,
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input_udp_source_port,
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input_udp_dest_port,
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input_udp_length,
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input_udp_checksum,
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input_udp_payload_tdata,
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input_udp_payload_tvalid,
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input_udp_payload_tready,
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input_udp_payload_tlast,
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input_udp_payload_tuser,
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output_udp_hdr_valid,
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output_udp_hdr_ready,
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output_udp_eth_dest_mac,
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output_udp_eth_src_mac,
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output_udp_eth_type,
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output_udp_ip_version,
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output_udp_ip_ihl,
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output_udp_ip_dscp,
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output_udp_ip_ecn,
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output_udp_ip_length,
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output_udp_ip_identification,
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output_udp_ip_flags,
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output_udp_ip_fragment_offset,
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output_udp_ip_ttl,
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output_udp_ip_protocol,
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output_udp_ip_header_checksum,
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output_udp_ip_source_ip,
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output_udp_ip_dest_ip,
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output_udp_source_port,
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output_udp_dest_port,
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output_udp_length,
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output_udp_checksum,
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output_udp_payload_tdata,
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output_udp_payload_tvalid,
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output_udp_payload_tready,
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output_udp_payload_tlast,
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output_udp_payload_tuser,
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rx_busy,
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tx_busy,
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rx_error_header_early_termination,
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rx_error_payload_early_termination,
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tx_error_payload_early_termination):
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if os.system(build_cmd):
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raise Exception("Error running build command")
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return Cosimulation("vvp -m myhdl test_%s.vvp -lxt2" % module,
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clk=clk,
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rst=rst,
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current_test=current_test,
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input_ip_hdr_valid=input_ip_hdr_valid,
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input_ip_hdr_ready=input_ip_hdr_ready,
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input_ip_eth_dest_mac=input_ip_eth_dest_mac,
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input_ip_eth_src_mac=input_ip_eth_src_mac,
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input_ip_eth_type=input_ip_eth_type,
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input_ip_version=input_ip_version,
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input_ip_ihl=input_ip_ihl,
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input_ip_dscp=input_ip_dscp,
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input_ip_ecn=input_ip_ecn,
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input_ip_length=input_ip_length,
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input_ip_identification=input_ip_identification,
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input_ip_flags=input_ip_flags,
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input_ip_fragment_offset=input_ip_fragment_offset,
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input_ip_ttl=input_ip_ttl,
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input_ip_protocol=input_ip_protocol,
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input_ip_header_checksum=input_ip_header_checksum,
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input_ip_source_ip=input_ip_source_ip,
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input_ip_dest_ip=input_ip_dest_ip,
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input_ip_payload_tdata=input_ip_payload_tdata,
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input_ip_payload_tvalid=input_ip_payload_tvalid,
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input_ip_payload_tready=input_ip_payload_tready,
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input_ip_payload_tlast=input_ip_payload_tlast,
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input_ip_payload_tuser=input_ip_payload_tuser,
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output_ip_hdr_valid=output_ip_hdr_valid,
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output_ip_hdr_ready=output_ip_hdr_ready,
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output_ip_eth_dest_mac=output_ip_eth_dest_mac,
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output_ip_eth_src_mac=output_ip_eth_src_mac,
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output_ip_eth_type=output_ip_eth_type,
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output_ip_version=output_ip_version,
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output_ip_ihl=output_ip_ihl,
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output_ip_dscp=output_ip_dscp,
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output_ip_ecn=output_ip_ecn,
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output_ip_length=output_ip_length,
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output_ip_identification=output_ip_identification,
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output_ip_flags=output_ip_flags,
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output_ip_fragment_offset=output_ip_fragment_offset,
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output_ip_ttl=output_ip_ttl,
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output_ip_protocol=output_ip_protocol,
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output_ip_header_checksum=output_ip_header_checksum,
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output_ip_source_ip=output_ip_source_ip,
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output_ip_dest_ip=output_ip_dest_ip,
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output_ip_payload_tdata=output_ip_payload_tdata,
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output_ip_payload_tvalid=output_ip_payload_tvalid,
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output_ip_payload_tready=output_ip_payload_tready,
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output_ip_payload_tlast=output_ip_payload_tlast,
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output_ip_payload_tuser=output_ip_payload_tuser,
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input_udp_hdr_valid=input_udp_hdr_valid,
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input_udp_hdr_ready=input_udp_hdr_ready,
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input_udp_eth_dest_mac=input_udp_eth_dest_mac,
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input_udp_eth_src_mac=input_udp_eth_src_mac,
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input_udp_eth_type=input_udp_eth_type,
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input_udp_ip_version=input_udp_ip_version,
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input_udp_ip_ihl=input_udp_ip_ihl,
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input_udp_ip_dscp=input_udp_ip_dscp,
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input_udp_ip_ecn=input_udp_ip_ecn,
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input_udp_ip_identification=input_udp_ip_identification,
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input_udp_ip_flags=input_udp_ip_flags,
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input_udp_ip_fragment_offset=input_udp_ip_fragment_offset,
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input_udp_ip_ttl=input_udp_ip_ttl,
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input_udp_ip_header_checksum=input_udp_ip_header_checksum,
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input_udp_ip_source_ip=input_udp_ip_source_ip,
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input_udp_ip_dest_ip=input_udp_ip_dest_ip,
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input_udp_source_port=input_udp_source_port,
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input_udp_dest_port=input_udp_dest_port,
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input_udp_length=input_udp_length,
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input_udp_checksum=input_udp_checksum,
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input_udp_payload_tdata=input_udp_payload_tdata,
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input_udp_payload_tvalid=input_udp_payload_tvalid,
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input_udp_payload_tready=input_udp_payload_tready,
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input_udp_payload_tlast=input_udp_payload_tlast,
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input_udp_payload_tuser=input_udp_payload_tuser,
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output_udp_hdr_valid=output_udp_hdr_valid,
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output_udp_hdr_ready=output_udp_hdr_ready,
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output_udp_eth_dest_mac=output_udp_eth_dest_mac,
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output_udp_eth_src_mac=output_udp_eth_src_mac,
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output_udp_eth_type=output_udp_eth_type,
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output_udp_ip_version=output_udp_ip_version,
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output_udp_ip_ihl=output_udp_ip_ihl,
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output_udp_ip_dscp=output_udp_ip_dscp,
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output_udp_ip_ecn=output_udp_ip_ecn,
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output_udp_ip_length=output_udp_ip_length,
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output_udp_ip_identification=output_udp_ip_identification,
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output_udp_ip_flags=output_udp_ip_flags,
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output_udp_ip_fragment_offset=output_udp_ip_fragment_offset,
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output_udp_ip_ttl=output_udp_ip_ttl,
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output_udp_ip_protocol=output_udp_ip_protocol,
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output_udp_ip_header_checksum=output_udp_ip_header_checksum,
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output_udp_ip_source_ip=output_udp_ip_source_ip,
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output_udp_ip_dest_ip=output_udp_ip_dest_ip,
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output_udp_source_port=output_udp_source_port,
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output_udp_dest_port=output_udp_dest_port,
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output_udp_length=output_udp_length,
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output_udp_checksum=output_udp_checksum,
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output_udp_payload_tdata=output_udp_payload_tdata,
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output_udp_payload_tvalid=output_udp_payload_tvalid,
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output_udp_payload_tready=output_udp_payload_tready,
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output_udp_payload_tlast=output_udp_payload_tlast,
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output_udp_payload_tuser=output_udp_payload_tuser,
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rx_busy=rx_busy,
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tx_busy=tx_busy,
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rx_error_header_early_termination=rx_error_header_early_termination,
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rx_error_payload_early_termination=rx_error_payload_early_termination,
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tx_error_payload_early_termination=tx_error_payload_early_termination)
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def bench():
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# Inputs
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clk = Signal(bool(0))
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rst = Signal(bool(0))
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current_test = Signal(intbv(0)[8:])
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input_ip_hdr_valid = Signal(bool(0))
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input_ip_eth_dest_mac = Signal(intbv(0)[48:])
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input_ip_eth_src_mac = Signal(intbv(0)[48:])
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input_ip_eth_type = Signal(intbv(0)[16:])
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input_ip_version = Signal(intbv(0)[4:])
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input_ip_ihl = Signal(intbv(0)[4:])
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input_ip_dscp = Signal(intbv(0)[6:])
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input_ip_ecn = Signal(intbv(0)[2:])
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input_ip_length = Signal(intbv(0)[16:])
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input_ip_identification = Signal(intbv(0)[16:])
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input_ip_flags = Signal(intbv(0)[3:])
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input_ip_fragment_offset = Signal(intbv(0)[13:])
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input_ip_ttl = Signal(intbv(0)[8:])
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input_ip_protocol = Signal(intbv(0)[8:])
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input_ip_header_checksum = Signal(intbv(0)[16:])
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input_ip_source_ip = Signal(intbv(0)[32:])
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input_ip_dest_ip = Signal(intbv(0)[32:])
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input_ip_payload_tdata = Signal(intbv(0)[8:])
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input_ip_payload_tvalid = Signal(bool(0))
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input_ip_payload_tlast = Signal(bool(0))
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input_ip_payload_tuser = Signal(bool(0))
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input_udp_hdr_valid = Signal(bool(0))
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input_udp_eth_dest_mac = Signal(intbv(0)[48:])
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input_udp_eth_src_mac = Signal(intbv(0)[48:])
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input_udp_eth_type = Signal(intbv(0)[16:])
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input_udp_ip_version = Signal(intbv(0)[4:])
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input_udp_ip_ihl = Signal(intbv(0)[4:])
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input_udp_ip_dscp = Signal(intbv(0)[6:])
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input_udp_ip_ecn = Signal(intbv(0)[2:])
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input_udp_ip_identification = Signal(intbv(0)[16:])
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input_udp_ip_flags = Signal(intbv(0)[3:])
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input_udp_ip_fragment_offset = Signal(intbv(0)[13:])
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input_udp_ip_ttl = Signal(intbv(0)[8:])
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input_udp_ip_header_checksum = Signal(intbv(0)[16:])
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input_udp_ip_source_ip = Signal(intbv(0)[32:])
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input_udp_ip_dest_ip = Signal(intbv(0)[32:])
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input_udp_source_port = Signal(intbv(0)[16:])
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input_udp_dest_port = Signal(intbv(0)[16:])
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input_udp_length = Signal(intbv(0)[16:])
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input_udp_checksum = Signal(intbv(0)[16:])
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input_udp_payload_tdata = Signal(intbv(0)[8:])
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input_udp_payload_tvalid = Signal(bool(0))
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input_udp_payload_tlast = Signal(bool(0))
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input_udp_payload_tuser = Signal(bool(0))
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output_ip_payload_tready = Signal(bool(0))
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output_ip_hdr_ready = Signal(bool(0))
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output_udp_hdr_ready = Signal(bool(0))
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output_udp_payload_tready = Signal(bool(0))
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# Outputs
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input_ip_hdr_ready = Signal(bool(0))
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input_ip_payload_tready = Signal(bool(0))
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input_udp_hdr_ready = Signal(bool(0))
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input_udp_payload_tready = Signal(bool(0))
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output_ip_hdr_valid = Signal(bool(0))
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output_ip_eth_dest_mac = Signal(intbv(0)[48:])
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output_ip_eth_src_mac = Signal(intbv(0)[48:])
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output_ip_eth_type = Signal(intbv(0)[16:])
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output_ip_version = Signal(intbv(0)[4:])
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output_ip_ihl = Signal(intbv(0)[4:])
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output_ip_dscp = Signal(intbv(0)[6:])
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output_ip_ecn = Signal(intbv(0)[2:])
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output_ip_length = Signal(intbv(0)[16:])
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output_ip_identification = Signal(intbv(0)[16:])
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output_ip_flags = Signal(intbv(0)[3:])
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output_ip_fragment_offset = Signal(intbv(0)[13:])
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output_ip_ttl = Signal(intbv(0)[8:])
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output_ip_protocol = Signal(intbv(0)[8:])
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output_ip_header_checksum = Signal(intbv(0)[16:])
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output_ip_source_ip = Signal(intbv(0)[32:])
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output_ip_dest_ip = Signal(intbv(0)[32:])
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output_ip_payload_tdata = Signal(intbv(0)[8:])
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output_ip_payload_tvalid = Signal(bool(0))
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output_ip_payload_tlast = Signal(bool(0))
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output_ip_payload_tuser = Signal(bool(0))
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output_udp_hdr_valid = Signal(bool(0))
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output_udp_eth_dest_mac = Signal(intbv(0)[48:])
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output_udp_eth_src_mac = Signal(intbv(0)[48:])
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output_udp_eth_type = Signal(intbv(0)[16:])
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output_udp_ip_version = Signal(intbv(0)[4:])
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output_udp_ip_ihl = Signal(intbv(0)[4:])
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output_udp_ip_dscp = Signal(intbv(0)[6:])
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output_udp_ip_ecn = Signal(intbv(0)[2:])
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output_udp_ip_length = Signal(intbv(0)[16:])
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output_udp_ip_identification = Signal(intbv(0)[16:])
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output_udp_ip_flags = Signal(intbv(0)[3:])
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output_udp_ip_fragment_offset = Signal(intbv(0)[13:])
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output_udp_ip_ttl = Signal(intbv(0)[8:])
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output_udp_ip_protocol = Signal(intbv(0)[8:])
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output_udp_ip_header_checksum = Signal(intbv(0)[16:])
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output_udp_ip_source_ip = Signal(intbv(0)[32:])
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output_udp_ip_dest_ip = Signal(intbv(0)[32:])
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output_udp_source_port = Signal(intbv(0)[16:])
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output_udp_dest_port = Signal(intbv(0)[16:])
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output_udp_length = Signal(intbv(0)[16:])
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output_udp_checksum = Signal(intbv(0)[16:])
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output_udp_payload_tdata = Signal(intbv(0)[8:])
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output_udp_payload_tvalid = Signal(bool(0))
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output_udp_payload_tlast = Signal(bool(0))
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output_udp_payload_tuser = Signal(bool(0))
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rx_busy = Signal(bool(0))
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tx_busy = Signal(bool(0))
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rx_error_header_early_termination = Signal(bool(0))
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rx_error_payload_early_termination = Signal(bool(0))
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tx_error_payload_early_termination = Signal(bool(0))
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# sources and sinks
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ip_source_queue = Queue()
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ip_source_pause = Signal(bool(0))
|
|
ip_sink_queue = Queue()
|
|
ip_sink_pause = Signal(bool(0))
|
|
udp_source_queue = Queue()
|
|
udp_source_pause = Signal(bool(0))
|
|
udp_sink_queue = Queue()
|
|
udp_sink_pause = Signal(bool(0))
|
|
|
|
ip_source = ip_ep.IPFrameSource(clk,
|
|
rst,
|
|
ip_hdr_valid=input_ip_hdr_valid,
|
|
ip_hdr_ready=input_ip_hdr_ready,
|
|
eth_dest_mac=input_ip_eth_dest_mac,
|
|
eth_src_mac=input_ip_eth_src_mac,
|
|
eth_type=input_ip_eth_type,
|
|
ip_version=input_ip_version,
|
|
ip_ihl=input_ip_ihl,
|
|
ip_dscp=input_ip_dscp,
|
|
ip_ecn=input_ip_ecn,
|
|
ip_length=input_ip_length,
|
|
ip_identification=input_ip_identification,
|
|
ip_flags=input_ip_flags,
|
|
ip_fragment_offset=input_ip_fragment_offset,
|
|
ip_ttl=input_ip_ttl,
|
|
ip_protocol=input_ip_protocol,
|
|
ip_header_checksum=input_ip_header_checksum,
|
|
ip_source_ip=input_ip_source_ip,
|
|
ip_dest_ip=input_ip_dest_ip,
|
|
ip_payload_tdata=input_ip_payload_tdata,
|
|
ip_payload_tvalid=input_ip_payload_tvalid,
|
|
ip_payload_tready=input_ip_payload_tready,
|
|
ip_payload_tlast=input_ip_payload_tlast,
|
|
ip_payload_tuser=input_ip_payload_tuser,
|
|
fifo=ip_source_queue,
|
|
pause=ip_source_pause,
|
|
name='ip_source')
|
|
|
|
ip_sink = ip_ep.IPFrameSink(clk,
|
|
rst,
|
|
ip_hdr_ready=output_ip_hdr_ready,
|
|
ip_hdr_valid=output_ip_hdr_valid,
|
|
eth_dest_mac=output_ip_eth_dest_mac,
|
|
eth_src_mac=output_ip_eth_src_mac,
|
|
eth_type=output_ip_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,
|
|
ip_payload_tdata=output_ip_payload_tdata,
|
|
ip_payload_tvalid=output_ip_payload_tvalid,
|
|
ip_payload_tready=output_ip_payload_tready,
|
|
ip_payload_tlast=output_ip_payload_tlast,
|
|
ip_payload_tuser=output_ip_payload_tuser,
|
|
fifo=ip_sink_queue,
|
|
pause=ip_sink_pause,
|
|
name='ip_sink')
|
|
|
|
udp_source = udp_ep.UDPFrameSource(clk,
|
|
rst,
|
|
udp_hdr_valid=input_udp_hdr_valid,
|
|
udp_hdr_ready=input_udp_hdr_ready,
|
|
eth_dest_mac=input_udp_eth_dest_mac,
|
|
eth_src_mac=input_udp_eth_src_mac,
|
|
eth_type=input_udp_eth_type,
|
|
ip_version=input_udp_ip_version,
|
|
ip_ihl=input_udp_ip_ihl,
|
|
ip_dscp=input_udp_ip_dscp,
|
|
ip_ecn=input_udp_ip_ecn,
|
|
ip_identification=input_udp_ip_identification,
|
|
ip_flags=input_udp_ip_flags,
|
|
ip_fragment_offset=input_udp_ip_fragment_offset,
|
|
ip_ttl=input_udp_ip_ttl,
|
|
ip_header_checksum=input_udp_ip_header_checksum,
|
|
ip_source_ip=input_udp_ip_source_ip,
|
|
ip_dest_ip=input_udp_ip_dest_ip,
|
|
udp_source_port=input_udp_source_port,
|
|
udp_dest_port=input_udp_dest_port,
|
|
udp_length=input_udp_length,
|
|
udp_checksum=input_udp_checksum,
|
|
udp_payload_tdata=input_udp_payload_tdata,
|
|
udp_payload_tvalid=input_udp_payload_tvalid,
|
|
udp_payload_tready=input_udp_payload_tready,
|
|
udp_payload_tlast=input_udp_payload_tlast,
|
|
udp_payload_tuser=input_udp_payload_tuser,
|
|
fifo=udp_source_queue,
|
|
pause=udp_source_pause,
|
|
name='udp_source')
|
|
|
|
udp_sink = udp_ep.UDPFrameSink(clk,
|
|
rst,
|
|
udp_hdr_ready=output_udp_hdr_ready,
|
|
udp_hdr_valid=output_udp_hdr_valid,
|
|
eth_dest_mac=output_udp_eth_dest_mac,
|
|
eth_src_mac=output_udp_eth_src_mac,
|
|
eth_type=output_udp_eth_type,
|
|
ip_version=output_udp_ip_version,
|
|
ip_ihl=output_udp_ip_ihl,
|
|
ip_dscp=output_udp_ip_dscp,
|
|
ip_ecn=output_udp_ip_ecn,
|
|
ip_length=output_udp_ip_length,
|
|
ip_identification=output_udp_ip_identification,
|
|
ip_flags=output_udp_ip_flags,
|
|
ip_fragment_offset=output_udp_ip_fragment_offset,
|
|
ip_ttl=output_udp_ip_ttl,
|
|
ip_protocol=output_udp_ip_protocol,
|
|
ip_header_checksum=output_udp_ip_header_checksum,
|
|
ip_source_ip=output_udp_ip_source_ip,
|
|
ip_dest_ip=output_udp_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,
|
|
fifo=udp_sink_queue,
|
|
pause=udp_sink_pause,
|
|
name='udp_sink')
|
|
|
|
# DUT
|
|
dut = dut_udp(clk,
|
|
rst,
|
|
current_test,
|
|
|
|
input_ip_hdr_valid,
|
|
input_ip_hdr_ready,
|
|
input_ip_eth_dest_mac,
|
|
input_ip_eth_src_mac,
|
|
input_ip_eth_type,
|
|
input_ip_version,
|
|
input_ip_ihl,
|
|
input_ip_dscp,
|
|
input_ip_ecn,
|
|
input_ip_length,
|
|
input_ip_identification,
|
|
input_ip_flags,
|
|
input_ip_fragment_offset,
|
|
input_ip_ttl,
|
|
input_ip_protocol,
|
|
input_ip_header_checksum,
|
|
input_ip_source_ip,
|
|
input_ip_dest_ip,
|
|
input_ip_payload_tdata,
|
|
input_ip_payload_tvalid,
|
|
input_ip_payload_tready,
|
|
input_ip_payload_tlast,
|
|
input_ip_payload_tuser,
|
|
|
|
output_ip_hdr_valid,
|
|
output_ip_hdr_ready,
|
|
output_ip_eth_dest_mac,
|
|
output_ip_eth_src_mac,
|
|
output_ip_eth_type,
|
|
output_ip_version,
|
|
output_ip_ihl,
|
|
output_ip_dscp,
|
|
output_ip_ecn,
|
|
output_ip_length,
|
|
output_ip_identification,
|
|
output_ip_flags,
|
|
output_ip_fragment_offset,
|
|
output_ip_ttl,
|
|
output_ip_protocol,
|
|
output_ip_header_checksum,
|
|
output_ip_source_ip,
|
|
output_ip_dest_ip,
|
|
output_ip_payload_tdata,
|
|
output_ip_payload_tvalid,
|
|
output_ip_payload_tready,
|
|
output_ip_payload_tlast,
|
|
output_ip_payload_tuser,
|
|
|
|
input_udp_hdr_valid,
|
|
input_udp_hdr_ready,
|
|
input_udp_eth_dest_mac,
|
|
input_udp_eth_src_mac,
|
|
input_udp_eth_type,
|
|
input_udp_ip_version,
|
|
input_udp_ip_ihl,
|
|
input_udp_ip_dscp,
|
|
input_udp_ip_ecn,
|
|
input_udp_ip_identification,
|
|
input_udp_ip_flags,
|
|
input_udp_ip_fragment_offset,
|
|
input_udp_ip_ttl,
|
|
input_udp_ip_header_checksum,
|
|
input_udp_ip_source_ip,
|
|
input_udp_ip_dest_ip,
|
|
input_udp_source_port,
|
|
input_udp_dest_port,
|
|
input_udp_length,
|
|
input_udp_checksum,
|
|
input_udp_payload_tdata,
|
|
input_udp_payload_tvalid,
|
|
input_udp_payload_tready,
|
|
input_udp_payload_tlast,
|
|
input_udp_payload_tuser,
|
|
|
|
output_udp_hdr_valid,
|
|
output_udp_hdr_ready,
|
|
output_udp_eth_dest_mac,
|
|
output_udp_eth_src_mac,
|
|
output_udp_eth_type,
|
|
output_udp_ip_version,
|
|
output_udp_ip_ihl,
|
|
output_udp_ip_dscp,
|
|
output_udp_ip_ecn,
|
|
output_udp_ip_length,
|
|
output_udp_ip_identification,
|
|
output_udp_ip_flags,
|
|
output_udp_ip_fragment_offset,
|
|
output_udp_ip_ttl,
|
|
output_udp_ip_protocol,
|
|
output_udp_ip_header_checksum,
|
|
output_udp_ip_source_ip,
|
|
output_udp_ip_dest_ip,
|
|
output_udp_source_port,
|
|
output_udp_dest_port,
|
|
output_udp_length,
|
|
output_udp_checksum,
|
|
output_udp_payload_tdata,
|
|
output_udp_payload_tvalid,
|
|
output_udp_payload_tready,
|
|
output_udp_payload_tlast,
|
|
output_udp_payload_tuser,
|
|
|
|
rx_busy,
|
|
tx_busy,
|
|
rx_error_header_early_termination,
|
|
rx_error_payload_early_termination,
|
|
tx_error_payload_early_termination)
|
|
|
|
@always(delay(4))
|
|
def clkgen():
|
|
clk.next = not clk
|
|
|
|
rx_error_header_early_termination_asserted = Signal(bool(0))
|
|
rx_error_payload_early_termination_asserted = Signal(bool(0))
|
|
tx_error_payload_early_termination_asserted = Signal(bool(0))
|
|
|
|
@always(clk.posedge)
|
|
def monitor():
|
|
if (rx_error_header_early_termination):
|
|
rx_error_header_early_termination_asserted.next = 1
|
|
if (rx_error_payload_early_termination):
|
|
rx_error_payload_early_termination_asserted.next = 1
|
|
if (tx_error_payload_early_termination):
|
|
tx_error_payload_early_termination_asserted.next = 1
|
|
|
|
def wait_normal():
|
|
while (input_ip_payload_tvalid or input_udp_payload_tvalid or
|
|
output_ip_payload_tvalid or output_udp_payload_tvalid or
|
|
input_ip_hdr_valid or input_udp_hdr_valid):
|
|
yield clk.posedge
|
|
|
|
@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
|
|
print("test 1: test UDP RX packet")
|
|
current_test.next = 1
|
|
|
|
test_frame = udp_ep.UDPFrame()
|
|
test_frame.eth_dest_mac = 0x5A5152535455
|
|
test_frame.eth_src_mac = 0xDAD1D2D3D4D5
|
|
test_frame.eth_type = 0x0800
|
|
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 = 1234
|
|
test_frame.udp_dest_port = 5678
|
|
test_frame.payload = bytearray(range(32))
|
|
test_frame.build()
|
|
ip_frame = test_frame.build_ip()
|
|
|
|
ip_source_queue.put(ip_frame)
|
|
|
|
yield clk.posedge
|
|
yield clk.posedge
|
|
|
|
yield wait_normal()
|
|
|
|
yield clk.posedge
|
|
yield clk.posedge
|
|
|
|
rx_frame = None
|
|
if not udp_sink_queue.empty():
|
|
rx_frame = udp_sink_queue.get()
|
|
|
|
assert rx_frame == test_frame
|
|
|
|
assert ip_source_queue.empty()
|
|
assert ip_sink_queue.empty()
|
|
assert udp_source_queue.empty()
|
|
assert udp_sink_queue.empty()
|
|
|
|
yield delay(100)
|
|
|
|
yield clk.posedge
|
|
print("test 2: test UDP TX packet")
|
|
current_test.next = 2
|
|
|
|
test_frame = udp_ep.UDPFrame()
|
|
test_frame.eth_dest_mac = 0x5A5152535455
|
|
test_frame.eth_src_mac = 0xDAD1D2D3D4D5
|
|
test_frame.eth_type = 0x0800
|
|
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 = 1234
|
|
test_frame.udp_dest_port = 5678
|
|
test_frame.payload = bytearray(range(32))
|
|
test_frame.build()
|
|
|
|
udp_source_queue.put(test_frame)
|
|
|
|
yield clk.posedge
|
|
yield clk.posedge
|
|
|
|
yield wait_normal()
|
|
|
|
yield clk.posedge
|
|
yield clk.posedge
|
|
|
|
rx_frame = None
|
|
if not ip_sink_queue.empty():
|
|
rx_frame = ip_sink_queue.get()
|
|
|
|
check_frame = udp_ep.UDPFrame()
|
|
check_frame.parse_ip(rx_frame)
|
|
|
|
assert check_frame == test_frame
|
|
|
|
assert ip_source_queue.empty()
|
|
assert ip_sink_queue.empty()
|
|
assert udp_source_queue.empty()
|
|
assert udp_sink_queue.empty()
|
|
|
|
yield delay(100)
|
|
|
|
raise StopSimulation
|
|
|
|
return dut, ip_source, ip_sink, udp_source, udp_sink, clkgen, monitor, check
|
|
|
|
def test_bench():
|
|
sim = Simulation(bench())
|
|
sim.run()
|
|
|
|
if __name__ == '__main__':
|
|
print("Running test...")
|
|
test_bench()
|
|
|