From d34aaf784dc1696e02c711ea944e874853bcc49b Mon Sep 17 00:00:00 2001 From: Alex Forencich Date: Thu, 26 Feb 2015 21:19:26 -0800 Subject: [PATCH] Add UDP modules --- rtl/udp.v | 417 ++++++++++++++++++++++++ rtl/udp_64.v | 429 +++++++++++++++++++++++++ tb/test_udp.py | 784 ++++++++++++++++++++++++++++++++++++++++++++ tb/test_udp.v | 382 ++++++++++++++++++++++ tb/test_udp_64.py | 804 ++++++++++++++++++++++++++++++++++++++++++++++ tb/test_udp_64.v | 394 +++++++++++++++++++++++ 6 files changed, 3210 insertions(+) create mode 100644 rtl/udp.v create mode 100644 rtl/udp_64.v create mode 100755 tb/test_udp.py create mode 100644 tb/test_udp.v create mode 100755 tb/test_udp_64.py create mode 100644 tb/test_udp_64.v diff --git a/rtl/udp.v b/rtl/udp.v new file mode 100644 index 000000000..22b0a0a28 --- /dev/null +++ b/rtl/udp.v @@ -0,0 +1,417 @@ +/* + +Copyright (c) 2014 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. + +*/ + +// Language: Verilog 2001 + +`timescale 1ns / 1ps + +/* + * UDP block, IP interface + */ +module udp # +( + parameter CHECKSUM_ENABLE = 1, + parameter CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH = 11, + parameter CHECKSUM_HEADER_FIFO_ADDR_WIDTH = 3 +) +( + input wire clk, + input wire rst, + + /* + * IP frame input + */ + input wire input_ip_hdr_valid, + output wire input_ip_hdr_ready, + input wire [47:0] input_ip_eth_dest_mac, + input wire [47:0] input_ip_eth_src_mac, + input wire [15:0] input_ip_eth_type, + input wire [3:0] input_ip_version, + input wire [3:0] input_ip_ihl, + input wire [5:0] input_ip_dscp, + input wire [1:0] input_ip_ecn, + input wire [15:0] input_ip_length, + input wire [15:0] input_ip_identification, + input wire [2:0] input_ip_flags, + input wire [12:0] input_ip_fragment_offset, + input wire [7:0] input_ip_ttl, + input wire [7:0] input_ip_protocol, + input wire [15:0] input_ip_header_checksum, + input wire [31:0] input_ip_source_ip, + input wire [31:0] input_ip_dest_ip, + input wire [7:0] input_ip_payload_tdata, + input wire input_ip_payload_tvalid, + output wire input_ip_payload_tready, + input wire input_ip_payload_tlast, + input wire input_ip_payload_tuser, + + /* + * IP frame output + */ + output wire output_ip_hdr_valid, + input wire output_ip_hdr_ready, + output wire [47:0] output_ip_eth_dest_mac, + output wire [47:0] output_ip_eth_src_mac, + output wire [15:0] output_ip_eth_type, + output wire [3:0] output_ip_version, + output wire [3:0] output_ip_ihl, + output wire [5:0] output_ip_dscp, + output wire [1:0] output_ip_ecn, + output wire [15:0] output_ip_length, + output wire [15:0] output_ip_identification, + output wire [2:0] output_ip_flags, + output wire [12:0] output_ip_fragment_offset, + output wire [7:0] output_ip_ttl, + output wire [7:0] output_ip_protocol, + output wire [15:0] output_ip_header_checksum, + output wire [31:0] output_ip_source_ip, + output wire [31:0] output_ip_dest_ip, + output wire [7:0] output_ip_payload_tdata, + output wire output_ip_payload_tvalid, + input wire output_ip_payload_tready, + output wire output_ip_payload_tlast, + output wire output_ip_payload_tuser, + + /* + * UDP frame input + */ + input wire input_udp_hdr_valid, + output wire input_udp_hdr_ready, + input wire [47:0] input_udp_eth_dest_mac, + input wire [47:0] input_udp_eth_src_mac, + input wire [15:0] input_udp_eth_type, + input wire [3:0] input_udp_ip_version, + input wire [3:0] input_udp_ip_ihl, + input wire [5:0] input_udp_ip_dscp, + input wire [1:0] input_udp_ip_ecn, + input wire [15:0] input_udp_ip_identification, + input wire [2:0] input_udp_ip_flags, + input wire [12:0] input_udp_ip_fragment_offset, + input wire [7:0] input_udp_ip_ttl, + input wire [7:0] input_udp_ip_protocol, + input wire [15:0] input_udp_ip_header_checksum, + input wire [31:0] input_udp_ip_source_ip, + input wire [31:0] input_udp_ip_dest_ip, + input wire [15:0] input_udp_source_port, + input wire [15:0] input_udp_dest_port, + input wire [15:0] input_udp_length, + input wire [15:0] input_udp_checksum, + input wire [7:0] input_udp_payload_tdata, + input wire input_udp_payload_tvalid, + output wire input_udp_payload_tready, + input wire input_udp_payload_tlast, + input wire input_udp_payload_tuser, + + /* + * UDP frame output + */ + output wire output_udp_hdr_valid, + input wire output_udp_hdr_ready, + output wire [47:0] output_udp_eth_dest_mac, + output wire [47:0] output_udp_eth_src_mac, + output wire [15:0] output_udp_eth_type, + output wire [3:0] output_udp_ip_version, + output wire [3:0] output_udp_ip_ihl, + output wire [5:0] output_udp_ip_dscp, + output wire [1:0] output_udp_ip_ecn, + output wire [15:0] output_udp_ip_length, + output wire [15:0] output_udp_ip_identification, + output wire [2:0] output_udp_ip_flags, + output wire [12:0] output_udp_ip_fragment_offset, + output wire [7:0] output_udp_ip_ttl, + output wire [7:0] output_udp_ip_protocol, + output wire [15:0] output_udp_ip_header_checksum, + output wire [31:0] output_udp_ip_source_ip, + output wire [31:0] output_udp_ip_dest_ip, + output wire [15:0] output_udp_source_port, + output wire [15:0] output_udp_dest_port, + output wire [15:0] output_udp_length, + output wire [15:0] output_udp_checksum, + output wire [7:0] output_udp_payload_tdata, + output wire output_udp_payload_tvalid, + input wire output_udp_payload_tready, + output wire output_udp_payload_tlast, + output wire output_udp_payload_tuser, + + /* + * Status signals + */ + output wire rx_busy, + output wire tx_busy, + output wire rx_error_header_early_termination, + output wire rx_error_payload_early_termination, + output wire tx_error_payload_early_termination +); + +wire tx_udp_hdr_valid; +wire tx_udp_hdr_ready; +wire [47:0] tx_udp_eth_dest_mac; +wire [47:0] tx_udp_eth_src_mac; +wire [15:0] tx_udp_eth_type; +wire [3:0] tx_udp_ip_version; +wire [3:0] tx_udp_ip_ihl; +wire [5:0] tx_udp_ip_dscp; +wire [1:0] tx_udp_ip_ecn; +wire [15:0] tx_udp_ip_identification; +wire [2:0] tx_udp_ip_flags; +wire [12:0] tx_udp_ip_fragment_offset; +wire [7:0] tx_udp_ip_ttl; +wire [7:0] tx_udp_ip_protocol; +wire [15:0] tx_udp_ip_header_checksum; +wire [31:0] tx_udp_ip_source_ip; +wire [31:0] tx_udp_ip_dest_ip; +wire [15:0] tx_udp_source_port; +wire [15:0] tx_udp_dest_port; +wire [15:0] tx_udp_length; +wire [15:0] tx_udp_checksum; +wire [7:0] tx_udp_payload_tdata; +wire tx_udp_payload_tvalid; +wire tx_udp_payload_tready; +wire tx_udp_payload_tlast; +wire tx_udp_payload_tuser; + +udp_ip_rx +udp_ip_rx_inst ( + .clk(clk), + .rst(rst), + // IP frame input + .input_ip_hdr_valid(input_ip_hdr_valid), + .input_ip_hdr_ready(input_ip_hdr_ready), + .input_eth_dest_mac(input_ip_eth_dest_mac), + .input_eth_src_mac(input_ip_eth_src_mac), + .input_eth_type(input_ip_eth_type), + .input_ip_version(input_ip_version), + .input_ip_ihl(input_ip_ihl), + .input_ip_dscp(input_ip_dscp), + .input_ip_ecn(input_ip_ecn), + .input_ip_length(input_ip_length), + .input_ip_identification(input_ip_identification), + .input_ip_flags(input_ip_flags), + .input_ip_fragment_offset(input_ip_fragment_offset), + .input_ip_ttl(input_ip_ttl), + .input_ip_protocol(input_ip_protocol), + .input_ip_header_checksum(input_ip_header_checksum), + .input_ip_source_ip(input_ip_source_ip), + .input_ip_dest_ip(input_ip_dest_ip), + .input_ip_payload_tdata(input_ip_payload_tdata), + .input_ip_payload_tvalid(input_ip_payload_tvalid), + .input_ip_payload_tready(input_ip_payload_tready), + .input_ip_payload_tlast(input_ip_payload_tlast), + .input_ip_payload_tuser(input_ip_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(output_udp_hdr_valid), + .output_udp_hdr_ready(output_udp_hdr_ready), + .output_eth_dest_mac(output_udp_eth_dest_mac), + .output_eth_src_mac(output_udp_eth_src_mac), + .output_eth_type(output_udp_eth_type), + .output_ip_version(output_udp_ip_version), + .output_ip_ihl(output_udp_ip_ihl), + .output_ip_dscp(output_udp_ip_dscp), + .output_ip_ecn(output_udp_ip_ecn), + .output_ip_length(output_udp_ip_length), + .output_ip_identification(output_udp_ip_identification), + .output_ip_flags(output_udp_ip_flags), + .output_ip_fragment_offset(output_udp_ip_fragment_offset), + .output_ip_ttl(output_udp_ip_ttl), + .output_ip_protocol(output_udp_ip_protocol), + .output_ip_header_checksum(output_udp_ip_header_checksum), + .output_ip_source_ip(output_udp_ip_source_ip), + .output_ip_dest_ip(output_udp_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), + // Status signals + .busy(rx_busy), + .error_header_early_termination(rx_error_header_early_termination), + .error_payload_early_termination(rx_error_payload_early_termination) +); + +generate + +if (CHECKSUM_ENABLE) begin + + udp_checksum #( + .PAYLOAD_FIFO_ADDR_WIDTH(CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH), + .HEADER_FIFO_ADDR_WIDTH(CHECKSUM_HEADER_FIFO_ADDR_WIDTH) + ) + udp_checksum_inst ( + .clk(clk), + .rst(rst), + // UDP frame input + .input_udp_hdr_valid(input_udp_hdr_valid), + .input_udp_hdr_ready(input_udp_hdr_ready), + .input_eth_dest_mac(input_udp_eth_dest_mac), + .input_eth_src_mac(input_udp_eth_src_mac), + .input_eth_type(input_udp_eth_type), + .input_ip_version(input_udp_ip_version), + .input_ip_ihl(input_udp_ip_ihl), + .input_ip_dscp(input_udp_ip_dscp), + .input_ip_ecn(input_udp_ip_ecn), + .input_ip_identification(input_udp_ip_identification), + .input_ip_flags(input_udp_ip_flags), + .input_ip_fragment_offset(input_udp_ip_fragment_offset), + .input_ip_ttl(input_udp_ip_ttl), + .input_ip_protocol(input_udp_ip_protocol), + .input_ip_header_checksum(input_udp_ip_header_checksum), + .input_ip_source_ip(input_udp_ip_source_ip), + .input_ip_dest_ip(input_udp_ip_dest_ip), + .input_udp_source_port(input_udp_source_port), + .input_udp_dest_port(input_udp_dest_port), + .input_udp_length(input_udp_length), + .input_udp_checksum(input_udp_checksum), + .input_udp_payload_tdata(input_udp_payload_tdata), + .input_udp_payload_tvalid(input_udp_payload_tvalid), + .input_udp_payload_tready(input_udp_payload_tready), + .input_udp_payload_tlast(input_udp_payload_tlast), + .input_udp_payload_tuser(input_udp_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(tx_udp_hdr_valid), + .output_udp_hdr_ready(tx_udp_hdr_ready), + .output_eth_dest_mac(tx_udp_eth_dest_mac), + .output_eth_src_mac(tx_udp_eth_src_mac), + .output_eth_type(tx_udp_eth_type), + .output_ip_version(tx_udp_ip_version), + .output_ip_ihl(tx_udp_ip_ihl), + .output_ip_dscp(tx_udp_ip_dscp), + .output_ip_ecn(tx_udp_ip_ecn), + .output_ip_length(), + .output_ip_identification(tx_udp_ip_identification), + .output_ip_flags(tx_udp_ip_flags), + .output_ip_fragment_offset(tx_udp_ip_fragment_offset), + .output_ip_ttl(tx_udp_ip_ttl), + .output_ip_protocol(tx_udp_ip_protocol), + .output_ip_header_checksum(tx_udp_ip_header_checksum), + .output_ip_source_ip(tx_udp_ip_source_ip), + .output_ip_dest_ip(tx_udp_ip_dest_ip), + .output_udp_source_port(tx_udp_source_port), + .output_udp_dest_port(tx_udp_dest_port), + .output_udp_length(tx_udp_length), + .output_udp_checksum(tx_udp_checksum), + .output_udp_payload_tdata(tx_udp_payload_tdata), + .output_udp_payload_tvalid(tx_udp_payload_tvalid), + .output_udp_payload_tready(tx_udp_payload_tready), + .output_udp_payload_tlast(tx_udp_payload_tlast), + .output_udp_payload_tuser(tx_udp_payload_tuser) + ); + +end else begin + + assign tx_udp_hdr_valid = input_udp_hdr_valid; + assign input_udp_hdr_ready = tx_udp_hdr_ready; + assign tx_udp_eth_dest_mac = input_udp_eth_dest_mac; + assign tx_udp_eth_src_mac = input_udp_eth_src_mac; + assign tx_udp_eth_type = input_udp_eth_type; + assign tx_udp_ip_version = input_udp_ip_version; + assign tx_udp_ip_ihl = input_udp_ip_ihl; + assign tx_udp_ip_dscp = input_udp_ip_dscp; + assign tx_udp_ip_ecn = input_udp_ip_ecn; + assign tx_udp_ip_identification = input_udp_ip_identification; + assign tx_udp_ip_flags = input_udp_ip_flags; + assign tx_udp_ip_fragment_offset = input_udp_ip_fragment_offset; + assign tx_udp_ip_ttl = input_udp_ip_ttl; + assign tx_udp_ip_protocol = input_udp_ip_protocol; + assign tx_udp_ip_header_checksum = input_udp_ip_header_checksum; + assign tx_udp_ip_source_ip = input_udp_ip_source_ip; + assign tx_udp_ip_dest_ip = input_udp_ip_dest_ip; + assign tx_udp_source_port = input_udp_source_port; + assign tx_udp_dest_port = input_udp_dest_port; + assign tx_udp_length = input_udp_length; + assign tx_udp_checksum = input_udp_checksum; + assign tx_udp_payload_tdata = input_udp_payload_tdata; + assign tx_udp_payload_tvalid = input_udp_payload_tvalid; + assign input_udp_payload_tready = tx_udp_payload_tready; + assign tx_udp_payload_tlast = input_udp_payload_tlast; + assign tx_udp_payload_tuser = input_udp_payload_tuser; + +end + +endgenerate + +udp_ip_tx +udp_ip_tx_inst ( + .clk(clk), + .rst(rst), + // UDP frame input + .input_udp_hdr_valid(tx_udp_hdr_valid), + .input_udp_hdr_ready(tx_udp_hdr_ready), + .input_eth_dest_mac(tx_udp_eth_dest_mac), + .input_eth_src_mac(tx_udp_eth_src_mac), + .input_eth_type(tx_udp_eth_type), + .input_ip_version(tx_udp_ip_version), + .input_ip_ihl(tx_udp_ip_ihl), + .input_ip_dscp(tx_udp_ip_dscp), + .input_ip_ecn(tx_udp_ip_ecn), + .input_ip_identification(tx_udp_ip_identification), + .input_ip_flags(tx_udp_ip_flags), + .input_ip_fragment_offset(tx_udp_ip_fragment_offset), + .input_ip_ttl(tx_udp_ip_ttl), + .input_ip_protocol(tx_udp_ip_protocol), + .input_ip_header_checksum(tx_udp_ip_header_checksum), + .input_ip_source_ip(tx_udp_ip_source_ip), + .input_ip_dest_ip(tx_udp_ip_dest_ip), + .input_udp_source_port(tx_udp_source_port), + .input_udp_dest_port(tx_udp_dest_port), + .input_udp_length(tx_udp_length), + .input_udp_checksum(tx_udp_checksum), + .input_udp_payload_tdata(tx_udp_payload_tdata), + .input_udp_payload_tvalid(tx_udp_payload_tvalid), + .input_udp_payload_tready(tx_udp_payload_tready), + .input_udp_payload_tlast(tx_udp_payload_tlast), + .input_udp_payload_tuser(tx_udp_payload_tuser), + // IP frame output + .output_ip_hdr_valid(output_ip_hdr_valid), + .output_ip_hdr_ready(output_ip_hdr_ready), + .output_eth_dest_mac(output_ip_eth_dest_mac), + .output_eth_src_mac(output_ip_eth_src_mac), + .output_eth_type(output_ip_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_ip_payload_tdata(output_ip_payload_tdata), + .output_ip_payload_tvalid(output_ip_payload_tvalid), + .output_ip_payload_tready(output_ip_payload_tready), + .output_ip_payload_tlast(output_ip_payload_tlast), + .output_ip_payload_tuser(output_ip_payload_tuser), + // Status signals + .busy(tx_busy), + .error_payload_early_termination(tx_error_payload_early_termination) +); + +endmodule diff --git a/rtl/udp_64.v b/rtl/udp_64.v new file mode 100644 index 000000000..f90d53347 --- /dev/null +++ b/rtl/udp_64.v @@ -0,0 +1,429 @@ +/* + +Copyright (c) 2014 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. + +*/ + +// Language: Verilog 2001 + +`timescale 1ns / 1ps + +/* + * UDP block, IP interface (64 bit datapath) + */ +module udp_64 # +( + parameter CHECKSUM_ENABLE = 1, + parameter CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH = 11, + parameter CHECKSUM_HEADER_FIFO_ADDR_WIDTH = 3 +) +( + input wire clk, + input wire rst, + + /* + * IP frame input + */ + input wire input_ip_hdr_valid, + output wire input_ip_hdr_ready, + input wire [47:0] input_ip_eth_dest_mac, + input wire [47:0] input_ip_eth_src_mac, + input wire [15:0] input_ip_eth_type, + input wire [3:0] input_ip_version, + input wire [3:0] input_ip_ihl, + input wire [5:0] input_ip_dscp, + input wire [1:0] input_ip_ecn, + input wire [15:0] input_ip_length, + input wire [15:0] input_ip_identification, + input wire [2:0] input_ip_flags, + input wire [12:0] input_ip_fragment_offset, + input wire [7:0] input_ip_ttl, + input wire [7:0] input_ip_protocol, + input wire [15:0] input_ip_header_checksum, + input wire [31:0] input_ip_source_ip, + input wire [31:0] input_ip_dest_ip, + input wire [63:0] input_ip_payload_tdata, + input wire [7:0] input_ip_payload_tkeep, + input wire input_ip_payload_tvalid, + output wire input_ip_payload_tready, + input wire input_ip_payload_tlast, + input wire input_ip_payload_tuser, + + /* + * IP frame output + */ + output wire output_ip_hdr_valid, + input wire output_ip_hdr_ready, + output wire [47:0] output_ip_eth_dest_mac, + output wire [47:0] output_ip_eth_src_mac, + output wire [15:0] output_ip_eth_type, + output wire [3:0] output_ip_version, + output wire [3:0] output_ip_ihl, + output wire [5:0] output_ip_dscp, + output wire [1:0] output_ip_ecn, + output wire [15:0] output_ip_length, + output wire [15:0] output_ip_identification, + output wire [2:0] output_ip_flags, + output wire [12:0] output_ip_fragment_offset, + output wire [7:0] output_ip_ttl, + output wire [7:0] output_ip_protocol, + output wire [15:0] output_ip_header_checksum, + output wire [31:0] output_ip_source_ip, + output wire [31:0] output_ip_dest_ip, + output wire [63:0] output_ip_payload_tdata, + output wire [7:0] output_ip_payload_tkeep, + output wire output_ip_payload_tvalid, + input wire output_ip_payload_tready, + output wire output_ip_payload_tlast, + output wire output_ip_payload_tuser, + + /* + * UDP frame input + */ + input wire input_udp_hdr_valid, + output wire input_udp_hdr_ready, + input wire [47:0] input_udp_eth_dest_mac, + input wire [47:0] input_udp_eth_src_mac, + input wire [15:0] input_udp_eth_type, + input wire [3:0] input_udp_ip_version, + input wire [3:0] input_udp_ip_ihl, + input wire [5:0] input_udp_ip_dscp, + input wire [1:0] input_udp_ip_ecn, + input wire [15:0] input_udp_ip_identification, + input wire [2:0] input_udp_ip_flags, + input wire [12:0] input_udp_ip_fragment_offset, + input wire [7:0] input_udp_ip_ttl, + input wire [7:0] input_udp_ip_protocol, + input wire [15:0] input_udp_ip_header_checksum, + input wire [31:0] input_udp_ip_source_ip, + input wire [31:0] input_udp_ip_dest_ip, + input wire [15:0] input_udp_source_port, + input wire [15:0] input_udp_dest_port, + input wire [15:0] input_udp_length, + input wire [15:0] input_udp_checksum, + input wire [63:0] input_udp_payload_tdata, + input wire [7:0] input_udp_payload_tkeep, + input wire input_udp_payload_tvalid, + output wire input_udp_payload_tready, + input wire input_udp_payload_tlast, + input wire input_udp_payload_tuser, + + /* + * UDP frame output + */ + output wire output_udp_hdr_valid, + input wire output_udp_hdr_ready, + output wire [47:0] output_udp_eth_dest_mac, + output wire [47:0] output_udp_eth_src_mac, + output wire [15:0] output_udp_eth_type, + output wire [3:0] output_udp_ip_version, + output wire [3:0] output_udp_ip_ihl, + output wire [5:0] output_udp_ip_dscp, + output wire [1:0] output_udp_ip_ecn, + output wire [15:0] output_udp_ip_length, + output wire [15:0] output_udp_ip_identification, + output wire [2:0] output_udp_ip_flags, + output wire [12:0] output_udp_ip_fragment_offset, + output wire [7:0] output_udp_ip_ttl, + output wire [7:0] output_udp_ip_protocol, + output wire [15:0] output_udp_ip_header_checksum, + output wire [31:0] output_udp_ip_source_ip, + output wire [31:0] output_udp_ip_dest_ip, + output wire [15:0] output_udp_source_port, + output wire [15:0] output_udp_dest_port, + output wire [15:0] output_udp_length, + output wire [15:0] output_udp_checksum, + output wire [63:0] output_udp_payload_tdata, + output wire [7:0] output_udp_payload_tkeep, + output wire output_udp_payload_tvalid, + input wire output_udp_payload_tready, + output wire output_udp_payload_tlast, + output wire output_udp_payload_tuser, + + /* + * Status signals + */ + output wire rx_busy, + output wire tx_busy, + output wire rx_error_header_early_termination, + output wire rx_error_payload_early_termination, + output wire tx_error_payload_early_termination +); + +wire tx_udp_hdr_valid; +wire tx_udp_hdr_ready; +wire [47:0] tx_udp_eth_dest_mac; +wire [47:0] tx_udp_eth_src_mac; +wire [15:0] tx_udp_eth_type; +wire [3:0] tx_udp_ip_version; +wire [3:0] tx_udp_ip_ihl; +wire [5:0] tx_udp_ip_dscp; +wire [1:0] tx_udp_ip_ecn; +wire [15:0] tx_udp_ip_identification; +wire [2:0] tx_udp_ip_flags; +wire [12:0] tx_udp_ip_fragment_offset; +wire [7:0] tx_udp_ip_ttl; +wire [7:0] tx_udp_ip_protocol; +wire [15:0] tx_udp_ip_header_checksum; +wire [31:0] tx_udp_ip_source_ip; +wire [31:0] tx_udp_ip_dest_ip; +wire [15:0] tx_udp_source_port; +wire [15:0] tx_udp_dest_port; +wire [15:0] tx_udp_length; +wire [15:0] tx_udp_checksum; +wire [63:0] tx_udp_payload_tdata; +wire [7:0] tx_udp_payload_tkeep; +wire tx_udp_payload_tvalid; +wire tx_udp_payload_tready; +wire tx_udp_payload_tlast; +wire tx_udp_payload_tuser; + +udp_ip_rx_64 +udp_ip_rx_64_inst ( + .clk(clk), + .rst(rst), + // IP frame input + .input_ip_hdr_valid(input_ip_hdr_valid), + .input_ip_hdr_ready(input_ip_hdr_ready), + .input_eth_dest_mac(input_ip_eth_dest_mac), + .input_eth_src_mac(input_ip_eth_src_mac), + .input_eth_type(input_ip_eth_type), + .input_ip_version(input_ip_version), + .input_ip_ihl(input_ip_ihl), + .input_ip_dscp(input_ip_dscp), + .input_ip_ecn(input_ip_ecn), + .input_ip_length(input_ip_length), + .input_ip_identification(input_ip_identification), + .input_ip_flags(input_ip_flags), + .input_ip_fragment_offset(input_ip_fragment_offset), + .input_ip_ttl(input_ip_ttl), + .input_ip_protocol(input_ip_protocol), + .input_ip_header_checksum(input_ip_header_checksum), + .input_ip_source_ip(input_ip_source_ip), + .input_ip_dest_ip(input_ip_dest_ip), + .input_ip_payload_tdata(input_ip_payload_tdata), + .input_ip_payload_tkeep(input_ip_payload_tkeep), + .input_ip_payload_tvalid(input_ip_payload_tvalid), + .input_ip_payload_tready(input_ip_payload_tready), + .input_ip_payload_tlast(input_ip_payload_tlast), + .input_ip_payload_tuser(input_ip_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(output_udp_hdr_valid), + .output_udp_hdr_ready(output_udp_hdr_ready), + .output_eth_dest_mac(output_udp_eth_dest_mac), + .output_eth_src_mac(output_udp_eth_src_mac), + .output_eth_type(output_udp_eth_type), + .output_ip_version(output_udp_ip_version), + .output_ip_ihl(output_udp_ip_ihl), + .output_ip_dscp(output_udp_ip_dscp), + .output_ip_ecn(output_udp_ip_ecn), + .output_ip_length(output_udp_ip_length), + .output_ip_identification(output_udp_ip_identification), + .output_ip_flags(output_udp_ip_flags), + .output_ip_fragment_offset(output_udp_ip_fragment_offset), + .output_ip_ttl(output_udp_ip_ttl), + .output_ip_protocol(output_udp_ip_protocol), + .output_ip_header_checksum(output_udp_ip_header_checksum), + .output_ip_source_ip(output_udp_ip_source_ip), + .output_ip_dest_ip(output_udp_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_tkeep(output_udp_payload_tkeep), + .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), + // Status signals + .busy(rx_busy), + .error_header_early_termination(rx_error_header_early_termination), + .error_payload_early_termination(rx_error_payload_early_termination) +); + +generate + +if (CHECKSUM_ENABLE) begin + + udp_checksum_64 #( + .PAYLOAD_FIFO_ADDR_WIDTH(CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH), + .HEADER_FIFO_ADDR_WIDTH(CHECKSUM_HEADER_FIFO_ADDR_WIDTH) + ) + udp_checksum_64_inst ( + .clk(clk), + .rst(rst), + // UDP frame input + .input_udp_hdr_valid(input_udp_hdr_valid), + .input_udp_hdr_ready(input_udp_hdr_ready), + .input_eth_dest_mac(input_udp_eth_dest_mac), + .input_eth_src_mac(input_udp_eth_src_mac), + .input_eth_type(input_udp_eth_type), + .input_ip_version(input_udp_ip_version), + .input_ip_ihl(input_udp_ip_ihl), + .input_ip_dscp(input_udp_ip_dscp), + .input_ip_ecn(input_udp_ip_ecn), + .input_ip_identification(input_udp_ip_identification), + .input_ip_flags(input_udp_ip_flags), + .input_ip_fragment_offset(input_udp_ip_fragment_offset), + .input_ip_ttl(input_udp_ip_ttl), + .input_ip_protocol(input_udp_ip_protocol), + .input_ip_header_checksum(input_udp_ip_header_checksum), + .input_ip_source_ip(input_udp_ip_source_ip), + .input_ip_dest_ip(input_udp_ip_dest_ip), + .input_udp_source_port(input_udp_source_port), + .input_udp_dest_port(input_udp_dest_port), + .input_udp_length(input_udp_length), + .input_udp_checksum(input_udp_checksum), + .input_udp_payload_tdata(input_udp_payload_tdata), + .input_udp_payload_tkeep(input_udp_payload_tkeep), + .input_udp_payload_tvalid(input_udp_payload_tvalid), + .input_udp_payload_tready(input_udp_payload_tready), + .input_udp_payload_tlast(input_udp_payload_tlast), + .input_udp_payload_tuser(input_udp_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(tx_udp_hdr_valid), + .output_udp_hdr_ready(tx_udp_hdr_ready), + .output_eth_dest_mac(tx_udp_eth_dest_mac), + .output_eth_src_mac(tx_udp_eth_src_mac), + .output_eth_type(tx_udp_eth_type), + .output_ip_version(tx_udp_ip_version), + .output_ip_ihl(tx_udp_ip_ihl), + .output_ip_dscp(tx_udp_ip_dscp), + .output_ip_ecn(tx_udp_ip_ecn), + .output_ip_length(), + .output_ip_identification(tx_udp_ip_identification), + .output_ip_flags(tx_udp_ip_flags), + .output_ip_fragment_offset(tx_udp_ip_fragment_offset), + .output_ip_ttl(tx_udp_ip_ttl), + .output_ip_protocol(tx_udp_ip_protocol), + .output_ip_header_checksum(tx_udp_ip_header_checksum), + .output_ip_source_ip(tx_udp_ip_source_ip), + .output_ip_dest_ip(tx_udp_ip_dest_ip), + .output_udp_source_port(tx_udp_source_port), + .output_udp_dest_port(tx_udp_dest_port), + .output_udp_length(tx_udp_length), + .output_udp_checksum(tx_udp_checksum), + .output_udp_payload_tdata(tx_udp_payload_tdata), + .output_udp_payload_tkeep(tx_udp_payload_tkeep), + .output_udp_payload_tvalid(tx_udp_payload_tvalid), + .output_udp_payload_tready(tx_udp_payload_tready), + .output_udp_payload_tlast(tx_udp_payload_tlast), + .output_udp_payload_tuser(tx_udp_payload_tuser) + ); + +end else begin + + assign tx_udp_hdr_valid = input_udp_hdr_valid; + assign input_udp_hdr_ready = tx_udp_hdr_ready; + assign tx_udp_eth_dest_mac = input_udp_eth_dest_mac; + assign tx_udp_eth_src_mac = input_udp_eth_src_mac; + assign tx_udp_eth_type = input_udp_eth_type; + assign tx_udp_ip_version = input_udp_ip_version; + assign tx_udp_ip_ihl = input_udp_ip_ihl; + assign tx_udp_ip_dscp = input_udp_ip_dscp; + assign tx_udp_ip_ecn = input_udp_ip_ecn; + assign tx_udp_ip_identification = input_udp_ip_identification; + assign tx_udp_ip_flags = input_udp_ip_flags; + assign tx_udp_ip_fragment_offset = input_udp_ip_fragment_offset; + assign tx_udp_ip_ttl = input_udp_ip_ttl; + assign tx_udp_ip_protocol = input_udp_ip_protocol; + assign tx_udp_ip_header_checksum = input_udp_ip_header_checksum; + assign tx_udp_ip_source_ip = input_udp_ip_source_ip; + assign tx_udp_ip_dest_ip = input_udp_ip_dest_ip; + assign tx_udp_source_port = input_udp_source_port; + assign tx_udp_dest_port = input_udp_dest_port; + assign tx_udp_length = input_udp_length; + assign tx_udp_checksum = input_udp_checksum; + assign tx_udp_payload_tdata = input_udp_payload_tdata; + assign tx_udp_payload_tkeep = input_udp_payload_tkeep; + assign tx_udp_payload_tvalid = input_udp_payload_tvalid; + assign input_udp_payload_tready = tx_udp_payload_tready; + assign tx_udp_payload_tlast = input_udp_payload_tlast; + assign tx_udp_payload_tuser = input_udp_payload_tuser; + +end + +endgenerate + +udp_ip_tx_64 +udp_ip_tx_64_inst ( + .clk(clk), + .rst(rst), + // UDP frame input + .input_udp_hdr_valid(tx_udp_hdr_valid), + .input_udp_hdr_ready(tx_udp_hdr_ready), + .input_eth_dest_mac(tx_udp_eth_dest_mac), + .input_eth_src_mac(tx_udp_eth_src_mac), + .input_eth_type(tx_udp_eth_type), + .input_ip_version(tx_udp_ip_version), + .input_ip_ihl(tx_udp_ip_ihl), + .input_ip_dscp(tx_udp_ip_dscp), + .input_ip_ecn(tx_udp_ip_ecn), + .input_ip_identification(tx_udp_ip_identification), + .input_ip_flags(tx_udp_ip_flags), + .input_ip_fragment_offset(tx_udp_ip_fragment_offset), + .input_ip_ttl(tx_udp_ip_ttl), + .input_ip_protocol(tx_udp_ip_protocol), + .input_ip_header_checksum(tx_udp_ip_header_checksum), + .input_ip_source_ip(tx_udp_ip_source_ip), + .input_ip_dest_ip(tx_udp_ip_dest_ip), + .input_udp_source_port(tx_udp_source_port), + .input_udp_dest_port(tx_udp_dest_port), + .input_udp_length(tx_udp_length), + .input_udp_checksum(tx_udp_checksum), + .input_udp_payload_tdata(tx_udp_payload_tdata), + .input_udp_payload_tkeep(tx_udp_payload_tkeep), + .input_udp_payload_tvalid(tx_udp_payload_tvalid), + .input_udp_payload_tready(tx_udp_payload_tready), + .input_udp_payload_tlast(tx_udp_payload_tlast), + .input_udp_payload_tuser(tx_udp_payload_tuser), + // IP frame output + .output_ip_hdr_valid(output_ip_hdr_valid), + .output_ip_hdr_ready(output_ip_hdr_ready), + .output_eth_dest_mac(output_ip_eth_dest_mac), + .output_eth_src_mac(output_ip_eth_src_mac), + .output_eth_type(output_ip_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_ip_payload_tdata(output_ip_payload_tdata), + .output_ip_payload_tkeep(output_ip_payload_tkeep), + .output_ip_payload_tvalid(output_ip_payload_tvalid), + .output_ip_payload_tready(output_ip_payload_tready), + .output_ip_payload_tlast(output_ip_payload_tlast), + .output_ip_payload_tuser(output_ip_payload_tuser), + // Status signals + .busy(tx_busy), + .error_payload_early_termination(tx_error_payload_early_termination) +); + +endmodule diff --git a/tb/test_udp.py b/tb/test_udp.py new file mode 100755 index 000000000..5f1760b07 --- /dev/null +++ b/tb/test_udp.py @@ -0,0 +1,784 @@ +#!/usr/bin/env python2 +""" + +Copyright (c) 2014 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 +from Queue import Queue + +import eth_ep +import ip_ep +import udp_ep + +module = 'udp' + +srcs = [] + +srcs.append("../rtl/%s.v" % module) +srcs.append("../rtl/udp_ip_rx.v") +srcs.append("../rtl/udp_ip_tx.v") +srcs.append("test_%s.v" % module) + +src = ' '.join(srcs) + +build_cmd = "iverilog -o test_%s.vvp %s" % (module, src) + +def 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_protocol, + 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): + + if os.system(build_cmd): + raise Exception("Error running build command") + return Cosimulation("vvp -m myhdl test_%s.vvp -lxt2" % module, + clk=clk, + rst=rst, + current_test=current_test, + + input_ip_hdr_valid=input_ip_hdr_valid, + input_ip_hdr_ready=input_ip_hdr_ready, + input_ip_eth_dest_mac=input_ip_eth_dest_mac, + input_ip_eth_src_mac=input_ip_eth_src_mac, + input_ip_eth_type=input_ip_eth_type, + input_ip_version=input_ip_version, + input_ip_ihl=input_ip_ihl, + input_ip_dscp=input_ip_dscp, + input_ip_ecn=input_ip_ecn, + input_ip_length=input_ip_length, + input_ip_identification=input_ip_identification, + input_ip_flags=input_ip_flags, + input_ip_fragment_offset=input_ip_fragment_offset, + input_ip_ttl=input_ip_ttl, + input_ip_protocol=input_ip_protocol, + input_ip_header_checksum=input_ip_header_checksum, + input_ip_source_ip=input_ip_source_ip, + input_ip_dest_ip=input_ip_dest_ip, + input_ip_payload_tdata=input_ip_payload_tdata, + input_ip_payload_tvalid=input_ip_payload_tvalid, + input_ip_payload_tready=input_ip_payload_tready, + input_ip_payload_tlast=input_ip_payload_tlast, + input_ip_payload_tuser=input_ip_payload_tuser, + + output_ip_hdr_valid=output_ip_hdr_valid, + output_ip_hdr_ready=output_ip_hdr_ready, + output_ip_eth_dest_mac=output_ip_eth_dest_mac, + output_ip_eth_src_mac=output_ip_eth_src_mac, + output_ip_eth_type=output_ip_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_ip_payload_tdata=output_ip_payload_tdata, + output_ip_payload_tvalid=output_ip_payload_tvalid, + output_ip_payload_tready=output_ip_payload_tready, + output_ip_payload_tlast=output_ip_payload_tlast, + output_ip_payload_tuser=output_ip_payload_tuser, + + input_udp_hdr_valid=input_udp_hdr_valid, + input_udp_hdr_ready=input_udp_hdr_ready, + input_udp_eth_dest_mac=input_udp_eth_dest_mac, + input_udp_eth_src_mac=input_udp_eth_src_mac, + input_udp_eth_type=input_udp_eth_type, + input_udp_ip_version=input_udp_ip_version, + input_udp_ip_ihl=input_udp_ip_ihl, + input_udp_ip_dscp=input_udp_ip_dscp, + input_udp_ip_ecn=input_udp_ip_ecn, + input_udp_ip_identification=input_udp_ip_identification, + input_udp_ip_flags=input_udp_ip_flags, + input_udp_ip_fragment_offset=input_udp_ip_fragment_offset, + input_udp_ip_ttl=input_udp_ip_ttl, + input_udp_ip_protocol=input_udp_ip_protocol, + input_udp_ip_header_checksum=input_udp_ip_header_checksum, + input_udp_ip_source_ip=input_udp_ip_source_ip, + input_udp_ip_dest_ip=input_udp_ip_dest_ip, + input_udp_source_port=input_udp_source_port, + input_udp_dest_port=input_udp_dest_port, + input_udp_length=input_udp_length, + input_udp_checksum=input_udp_checksum, + input_udp_payload_tdata=input_udp_payload_tdata, + input_udp_payload_tvalid=input_udp_payload_tvalid, + input_udp_payload_tready=input_udp_payload_tready, + input_udp_payload_tlast=input_udp_payload_tlast, + input_udp_payload_tuser=input_udp_payload_tuser, + + output_udp_hdr_valid=output_udp_hdr_valid, + output_udp_hdr_ready=output_udp_hdr_ready, + output_udp_eth_dest_mac=output_udp_eth_dest_mac, + output_udp_eth_src_mac=output_udp_eth_src_mac, + output_udp_eth_type=output_udp_eth_type, + output_udp_ip_version=output_udp_ip_version, + output_udp_ip_ihl=output_udp_ip_ihl, + output_udp_ip_dscp=output_udp_ip_dscp, + output_udp_ip_ecn=output_udp_ip_ecn, + output_udp_ip_length=output_udp_ip_length, + output_udp_ip_identification=output_udp_ip_identification, + output_udp_ip_flags=output_udp_ip_flags, + output_udp_ip_fragment_offset=output_udp_ip_fragment_offset, + output_udp_ip_ttl=output_udp_ip_ttl, + output_udp_ip_protocol=output_udp_ip_protocol, + output_udp_ip_header_checksum=output_udp_ip_header_checksum, + output_udp_ip_source_ip=output_udp_ip_source_ip, + output_udp_ip_dest_ip=output_udp_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, + + rx_busy=rx_busy, + tx_busy=tx_busy, + rx_error_header_early_termination=rx_error_header_early_termination, + rx_error_payload_early_termination=rx_error_payload_early_termination, + tx_error_payload_early_termination=tx_error_payload_early_termination) + +def bench(): + + # Inputs + clk = Signal(bool(0)) + rst = Signal(bool(0)) + current_test = Signal(intbv(0)[8:]) + + input_ip_hdr_valid = Signal(bool(0)) + input_ip_eth_dest_mac = Signal(intbv(0)[48:]) + input_ip_eth_src_mac = Signal(intbv(0)[48:]) + input_ip_eth_type = Signal(intbv(0)[16:]) + input_ip_version = Signal(intbv(0)[4:]) + input_ip_ihl = Signal(intbv(0)[4:]) + input_ip_dscp = Signal(intbv(0)[6:]) + input_ip_ecn = Signal(intbv(0)[2:]) + input_ip_length = Signal(intbv(0)[16:]) + input_ip_identification = Signal(intbv(0)[16:]) + input_ip_flags = Signal(intbv(0)[3:]) + input_ip_fragment_offset = Signal(intbv(0)[13:]) + input_ip_ttl = Signal(intbv(0)[8:]) + input_ip_protocol = Signal(intbv(0)[8:]) + input_ip_header_checksum = Signal(intbv(0)[16:]) + input_ip_source_ip = Signal(intbv(0)[32:]) + input_ip_dest_ip = Signal(intbv(0)[32:]) + input_ip_payload_tdata = Signal(intbv(0)[8:]) + input_ip_payload_tvalid = Signal(bool(0)) + input_ip_payload_tlast = Signal(bool(0)) + input_ip_payload_tuser = Signal(bool(0)) + input_udp_hdr_valid = Signal(bool(0)) + input_udp_eth_dest_mac = Signal(intbv(0)[48:]) + input_udp_eth_src_mac = Signal(intbv(0)[48:]) + input_udp_eth_type = Signal(intbv(0)[16:]) + input_udp_ip_version = Signal(intbv(0)[4:]) + input_udp_ip_ihl = Signal(intbv(0)[4:]) + input_udp_ip_dscp = Signal(intbv(0)[6:]) + input_udp_ip_ecn = Signal(intbv(0)[2:]) + input_udp_ip_identification = Signal(intbv(0)[16:]) + input_udp_ip_flags = Signal(intbv(0)[3:]) + input_udp_ip_fragment_offset = Signal(intbv(0)[13:]) + input_udp_ip_ttl = Signal(intbv(0)[8:]) + input_udp_ip_protocol = Signal(intbv(0)[8:]) + input_udp_ip_header_checksum = Signal(intbv(0)[16:]) + input_udp_ip_source_ip = Signal(intbv(0)[32:]) + input_udp_ip_dest_ip = Signal(intbv(0)[32:]) + input_udp_source_port = Signal(intbv(0)[16:]) + input_udp_dest_port = Signal(intbv(0)[16:]) + input_udp_length = Signal(intbv(0)[16:]) + input_udp_checksum = Signal(intbv(0)[16:]) + input_udp_payload_tdata = Signal(intbv(0)[8:]) + input_udp_payload_tvalid = Signal(bool(0)) + input_udp_payload_tlast = Signal(bool(0)) + input_udp_payload_tuser = Signal(bool(0)) + output_ip_payload_tready = Signal(bool(0)) + output_ip_hdr_ready = Signal(bool(0)) + output_udp_hdr_ready = Signal(bool(0)) + output_udp_payload_tready = Signal(bool(0)) + + # Outputs + input_ip_hdr_ready = Signal(bool(0)) + input_ip_payload_tready = Signal(bool(0)) + input_udp_hdr_ready = Signal(bool(0)) + input_udp_payload_tready = Signal(bool(0)) + output_ip_hdr_valid = Signal(bool(0)) + output_ip_eth_dest_mac = Signal(intbv(0)[48:]) + output_ip_eth_src_mac = Signal(intbv(0)[48:]) + output_ip_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_ip_payload_tdata = Signal(intbv(0)[8:]) + output_ip_payload_tvalid = Signal(bool(0)) + output_ip_payload_tlast = Signal(bool(0)) + output_ip_payload_tuser = Signal(bool(0)) + output_udp_hdr_valid = Signal(bool(0)) + output_udp_eth_dest_mac = Signal(intbv(0)[48:]) + output_udp_eth_src_mac = Signal(intbv(0)[48:]) + output_udp_eth_type = Signal(intbv(0)[16:]) + output_udp_ip_version = Signal(intbv(0)[4:]) + output_udp_ip_ihl = Signal(intbv(0)[4:]) + output_udp_ip_dscp = Signal(intbv(0)[6:]) + output_udp_ip_ecn = Signal(intbv(0)[2:]) + output_udp_ip_length = Signal(intbv(0)[16:]) + output_udp_ip_identification = Signal(intbv(0)[16:]) + output_udp_ip_flags = Signal(intbv(0)[3:]) + output_udp_ip_fragment_offset = Signal(intbv(0)[13:]) + output_udp_ip_ttl = Signal(intbv(0)[8:]) + output_udp_ip_protocol = Signal(intbv(0)[8:]) + output_udp_ip_header_checksum = Signal(intbv(0)[16:]) + output_udp_ip_source_ip = Signal(intbv(0)[32:]) + output_udp_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)) + rx_busy = Signal(bool(0)) + tx_busy = Signal(bool(0)) + rx_error_header_early_termination = Signal(bool(0)) + rx_error_payload_early_termination = Signal(bool(0)) + tx_error_payload_early_termination = Signal(bool(0)) + + # sources and sinks + ip_source_queue = Queue() + 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_protocol=input_udp_ip_protocol, + 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_protocol, + 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() + diff --git a/tb/test_udp.v b/tb/test_udp.v new file mode 100644 index 000000000..278552e2f --- /dev/null +++ b/tb/test_udp.v @@ -0,0 +1,382 @@ +/* + +Copyright (c) 2014 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. + +*/ + +// Language: Verilog 2001 + +`timescale 1 ns / 1 ps + +module test_udp; + +// Parameters +parameter CHECKSUM_ENABLE = 0; +parameter CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH = 11; +parameter CHECKSUM_HEADER_FIFO_ADDR_WIDTH = 3; + +// Inputs +reg clk = 0; +reg rst = 0; +reg [7:0] current_test = 0; + +reg input_ip_hdr_valid = 0; +reg [47:0] input_ip_eth_dest_mac = 0; +reg [47:0] input_ip_eth_src_mac = 0; +reg [15:0] input_ip_eth_type = 0; +reg [3:0] input_ip_version = 0; +reg [3:0] input_ip_ihl = 0; +reg [5:0] input_ip_dscp = 0; +reg [1:0] input_ip_ecn = 0; +reg [15:0] input_ip_length = 0; +reg [15:0] input_ip_identification = 0; +reg [2:0] input_ip_flags = 0; +reg [12:0] input_ip_fragment_offset = 0; +reg [7:0] input_ip_ttl = 0; +reg [7:0] input_ip_protocol = 0; +reg [15:0] input_ip_header_checksum = 0; +reg [31:0] input_ip_source_ip = 0; +reg [31:0] input_ip_dest_ip = 0; +reg [7:0] input_ip_payload_tdata = 0; +reg input_ip_payload_tvalid = 0; +reg input_ip_payload_tlast = 0; +reg input_ip_payload_tuser = 0; +reg input_udp_hdr_valid = 0; +reg [47:0] input_udp_eth_dest_mac = 0; +reg [47:0] input_udp_eth_src_mac = 0; +reg [15:0] input_udp_eth_type = 0; +reg [3:0] input_udp_ip_version = 0; +reg [3:0] input_udp_ip_ihl = 0; +reg [5:0] input_udp_ip_dscp = 0; +reg [1:0] input_udp_ip_ecn = 0; +reg [15:0] input_udp_ip_identification = 0; +reg [2:0] input_udp_ip_flags = 0; +reg [12:0] input_udp_ip_fragment_offset = 0; +reg [7:0] input_udp_ip_ttl = 0; +reg [7:0] input_udp_ip_protocol = 0; +reg [15:0] input_udp_ip_header_checksum = 0; +reg [31:0] input_udp_ip_source_ip = 0; +reg [31:0] input_udp_ip_dest_ip = 0; +reg [15:0] input_udp_source_port = 0; +reg [15:0] input_udp_dest_port = 0; +reg [15:0] input_udp_length = 0; +reg [15:0] input_udp_checksum = 0; +reg [7:0] input_udp_payload_tdata = 0; +reg input_udp_payload_tvalid = 0; +reg input_udp_payload_tlast = 0; +reg input_udp_payload_tuser = 0; +reg output_ip_hdr_ready = 0; +reg output_ip_payload_tready = 0; +reg output_udp_hdr_ready = 0; +reg output_udp_payload_tready = 0; + +// Outputs +wire input_ip_hdr_ready; +wire input_ip_payload_tready; +wire input_udp_hdr_ready; +wire input_udp_payload_tready; +wire output_ip_hdr_valid; +wire [47:0] output_ip_eth_dest_mac; +wire [47:0] output_ip_eth_src_mac; +wire [15:0] output_ip_eth_type; +wire [3:0] output_ip_version; +wire [3:0] output_ip_ihl; +wire [5:0] output_ip_dscp; +wire [1:0] output_ip_ecn; +wire [15:0] output_ip_length; +wire [15:0] output_ip_identification; +wire [2:0] output_ip_flags; +wire [12:0] output_ip_fragment_offset; +wire [7:0] output_ip_ttl; +wire [7:0] output_ip_protocol; +wire [15:0] output_ip_header_checksum; +wire [31:0] output_ip_source_ip; +wire [31:0] output_ip_dest_ip; +wire [7:0] output_ip_payload_tdata; +wire output_ip_payload_tvalid; +wire output_ip_payload_tlast; +wire output_ip_payload_tuser; +wire output_udp_hdr_valid; +wire [47:0] output_udp_eth_dest_mac; +wire [47:0] output_udp_eth_src_mac; +wire [15:0] output_udp_eth_type; +wire [3:0] output_udp_ip_version; +wire [3:0] output_udp_ip_ihl; +wire [5:0] output_udp_ip_dscp; +wire [1:0] output_udp_ip_ecn; +wire [15:0] output_udp_ip_length; +wire [15:0] output_udp_ip_identification; +wire [2:0] output_udp_ip_flags; +wire [12:0] output_udp_ip_fragment_offset; +wire [7:0] output_udp_ip_ttl; +wire [7:0] output_udp_ip_protocol; +wire [15:0] output_udp_ip_header_checksum; +wire [31:0] output_udp_ip_source_ip; +wire [31:0] output_udp_ip_dest_ip; +wire [15:0] output_udp_source_port; +wire [15:0] output_udp_dest_port; +wire [15:0] output_udp_length; +wire [15:0] output_udp_checksum; +wire [7:0] output_udp_payload_tdata; +wire output_udp_payload_tvalid; +wire output_udp_payload_tlast; +wire output_udp_payload_tuser; +wire rx_busy; +wire tx_busy; +wire rx_error_header_early_termination; +wire rx_error_payload_early_termination; +wire tx_error_payload_early_termination; + +initial begin + // myhdl integration + $from_myhdl(clk, + rst, + current_test, + input_ip_hdr_valid, + 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_tlast, + input_ip_payload_tuser, + input_udp_hdr_valid, + 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_protocol, + 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_tlast, + input_udp_payload_tuser, + output_ip_hdr_ready, + output_ip_payload_tready, + output_udp_hdr_ready, + output_udp_payload_tready); + $to_myhdl(input_ip_hdr_ready, + input_ip_payload_tready, + input_udp_hdr_ready, + input_udp_payload_tready, + output_ip_hdr_valid, + 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_tlast, + output_ip_payload_tuser, + output_udp_hdr_valid, + 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_tlast, + output_udp_payload_tuser, + rx_busy, + tx_busy, + rx_error_header_early_termination, + rx_error_payload_early_termination, + tx_error_payload_early_termination); + + // dump file + $dumpfile("test_udp.lxt"); + $dumpvars(0, test_udp); +end + +udp #( + .CHECKSUM_ENABLE(CHECKSUM_ENABLE), + .CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH(CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH), + .CHECKSUM_HEADER_FIFO_ADDR_WIDTH(CHECKSUM_HEADER_FIFO_ADDR_WIDTH) +) +UUT ( + .clk(clk), + .rst(rst), + // IP frame input + .input_ip_hdr_valid(input_ip_hdr_valid), + .input_ip_hdr_ready(input_ip_hdr_ready), + .input_ip_eth_dest_mac(input_ip_eth_dest_mac), + .input_ip_eth_src_mac(input_ip_eth_src_mac), + .input_ip_eth_type(input_ip_eth_type), + .input_ip_version(input_ip_version), + .input_ip_ihl(input_ip_ihl), + .input_ip_dscp(input_ip_dscp), + .input_ip_ecn(input_ip_ecn), + .input_ip_length(input_ip_length), + .input_ip_identification(input_ip_identification), + .input_ip_flags(input_ip_flags), + .input_ip_fragment_offset(input_ip_fragment_offset), + .input_ip_ttl(input_ip_ttl), + .input_ip_protocol(input_ip_protocol), + .input_ip_header_checksum(input_ip_header_checksum), + .input_ip_source_ip(input_ip_source_ip), + .input_ip_dest_ip(input_ip_dest_ip), + .input_ip_payload_tdata(input_ip_payload_tdata), + .input_ip_payload_tvalid(input_ip_payload_tvalid), + .input_ip_payload_tready(input_ip_payload_tready), + .input_ip_payload_tlast(input_ip_payload_tlast), + .input_ip_payload_tuser(input_ip_payload_tuser), + // IP frame output + .output_ip_hdr_valid(output_ip_hdr_valid), + .output_ip_hdr_ready(output_ip_hdr_ready), + .output_ip_eth_dest_mac(output_ip_eth_dest_mac), + .output_ip_eth_src_mac(output_ip_eth_src_mac), + .output_ip_eth_type(output_ip_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_ip_payload_tdata(output_ip_payload_tdata), + .output_ip_payload_tvalid(output_ip_payload_tvalid), + .output_ip_payload_tready(output_ip_payload_tready), + .output_ip_payload_tlast(output_ip_payload_tlast), + .output_ip_payload_tuser(output_ip_payload_tuser), + // UDP frame input + .input_udp_hdr_valid(input_udp_hdr_valid), + .input_udp_hdr_ready(input_udp_hdr_ready), + .input_udp_eth_dest_mac(input_udp_eth_dest_mac), + .input_udp_eth_src_mac(input_udp_eth_src_mac), + .input_udp_eth_type(input_udp_eth_type), + .input_udp_ip_version(input_udp_ip_version), + .input_udp_ip_ihl(input_udp_ip_ihl), + .input_udp_ip_dscp(input_udp_ip_dscp), + .input_udp_ip_ecn(input_udp_ip_ecn), + .input_udp_ip_identification(input_udp_ip_identification), + .input_udp_ip_flags(input_udp_ip_flags), + .input_udp_ip_fragment_offset(input_udp_ip_fragment_offset), + .input_udp_ip_ttl(input_udp_ip_ttl), + .input_udp_ip_protocol(input_udp_ip_protocol), + .input_udp_ip_header_checksum(input_udp_ip_header_checksum), + .input_udp_ip_source_ip(input_udp_ip_source_ip), + .input_udp_ip_dest_ip(input_udp_ip_dest_ip), + .input_udp_source_port(input_udp_source_port), + .input_udp_dest_port(input_udp_dest_port), + .input_udp_length(input_udp_length), + .input_udp_checksum(input_udp_checksum), + .input_udp_payload_tdata(input_udp_payload_tdata), + .input_udp_payload_tvalid(input_udp_payload_tvalid), + .input_udp_payload_tready(input_udp_payload_tready), + .input_udp_payload_tlast(input_udp_payload_tlast), + .input_udp_payload_tuser(input_udp_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(output_udp_hdr_valid), + .output_udp_hdr_ready(output_udp_hdr_ready), + .output_udp_eth_dest_mac(output_udp_eth_dest_mac), + .output_udp_eth_src_mac(output_udp_eth_src_mac), + .output_udp_eth_type(output_udp_eth_type), + .output_udp_ip_version(output_udp_ip_version), + .output_udp_ip_ihl(output_udp_ip_ihl), + .output_udp_ip_dscp(output_udp_ip_dscp), + .output_udp_ip_ecn(output_udp_ip_ecn), + .output_udp_ip_length(output_udp_ip_length), + .output_udp_ip_identification(output_udp_ip_identification), + .output_udp_ip_flags(output_udp_ip_flags), + .output_udp_ip_fragment_offset(output_udp_ip_fragment_offset), + .output_udp_ip_ttl(output_udp_ip_ttl), + .output_udp_ip_protocol(output_udp_ip_protocol), + .output_udp_ip_header_checksum(output_udp_ip_header_checksum), + .output_udp_ip_source_ip(output_udp_ip_source_ip), + .output_udp_ip_dest_ip(output_udp_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), + // Status signals + .rx_busy(rx_busy), + .tx_busy(tx_busy), + .rx_error_header_early_termination(rx_error_header_early_termination), + .rx_error_payload_early_termination(rx_error_payload_early_termination), + .tx_error_payload_early_termination(tx_error_payload_early_termination) +); + +endmodule diff --git a/tb/test_udp_64.py b/tb/test_udp_64.py new file mode 100755 index 000000000..3b4e6d1c2 --- /dev/null +++ b/tb/test_udp_64.py @@ -0,0 +1,804 @@ +#!/usr/bin/env python2 +""" + +Copyright (c) 2014 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 +from Queue import Queue + +import eth_ep +import ip_ep +import udp_ep + +module = 'udp_64' + +srcs = [] + +srcs.append("../rtl/%s.v" % module) +srcs.append("../rtl/udp_ip_rx_64.v") +srcs.append("../rtl/udp_ip_tx_64.v") +srcs.append("test_%s.v" % module) + +src = ' '.join(srcs) + +build_cmd = "iverilog -o test_%s.vvp %s" % (module, src) + +def 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_tkeep, + 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_tkeep, + 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_protocol, + 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_tkeep, + 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_tkeep, + 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): + + if os.system(build_cmd): + raise Exception("Error running build command") + return Cosimulation("vvp -m myhdl test_%s.vvp -lxt2" % module, + clk=clk, + rst=rst, + current_test=current_test, + + input_ip_hdr_valid=input_ip_hdr_valid, + input_ip_hdr_ready=input_ip_hdr_ready, + input_ip_eth_dest_mac=input_ip_eth_dest_mac, + input_ip_eth_src_mac=input_ip_eth_src_mac, + input_ip_eth_type=input_ip_eth_type, + input_ip_version=input_ip_version, + input_ip_ihl=input_ip_ihl, + input_ip_dscp=input_ip_dscp, + input_ip_ecn=input_ip_ecn, + input_ip_length=input_ip_length, + input_ip_identification=input_ip_identification, + input_ip_flags=input_ip_flags, + input_ip_fragment_offset=input_ip_fragment_offset, + input_ip_ttl=input_ip_ttl, + input_ip_protocol=input_ip_protocol, + input_ip_header_checksum=input_ip_header_checksum, + input_ip_source_ip=input_ip_source_ip, + input_ip_dest_ip=input_ip_dest_ip, + input_ip_payload_tdata=input_ip_payload_tdata, + input_ip_payload_tkeep=input_ip_payload_tkeep, + input_ip_payload_tvalid=input_ip_payload_tvalid, + input_ip_payload_tready=input_ip_payload_tready, + input_ip_payload_tlast=input_ip_payload_tlast, + input_ip_payload_tuser=input_ip_payload_tuser, + + output_ip_hdr_valid=output_ip_hdr_valid, + output_ip_hdr_ready=output_ip_hdr_ready, + output_ip_eth_dest_mac=output_ip_eth_dest_mac, + output_ip_eth_src_mac=output_ip_eth_src_mac, + output_ip_eth_type=output_ip_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_ip_payload_tdata=output_ip_payload_tdata, + output_ip_payload_tkeep=output_ip_payload_tkeep, + output_ip_payload_tvalid=output_ip_payload_tvalid, + output_ip_payload_tready=output_ip_payload_tready, + output_ip_payload_tlast=output_ip_payload_tlast, + output_ip_payload_tuser=output_ip_payload_tuser, + + input_udp_hdr_valid=input_udp_hdr_valid, + input_udp_hdr_ready=input_udp_hdr_ready, + input_udp_eth_dest_mac=input_udp_eth_dest_mac, + input_udp_eth_src_mac=input_udp_eth_src_mac, + input_udp_eth_type=input_udp_eth_type, + input_udp_ip_version=input_udp_ip_version, + input_udp_ip_ihl=input_udp_ip_ihl, + input_udp_ip_dscp=input_udp_ip_dscp, + input_udp_ip_ecn=input_udp_ip_ecn, + input_udp_ip_identification=input_udp_ip_identification, + input_udp_ip_flags=input_udp_ip_flags, + input_udp_ip_fragment_offset=input_udp_ip_fragment_offset, + input_udp_ip_ttl=input_udp_ip_ttl, + input_udp_ip_protocol=input_udp_ip_protocol, + input_udp_ip_header_checksum=input_udp_ip_header_checksum, + input_udp_ip_source_ip=input_udp_ip_source_ip, + input_udp_ip_dest_ip=input_udp_ip_dest_ip, + input_udp_source_port=input_udp_source_port, + input_udp_dest_port=input_udp_dest_port, + input_udp_length=input_udp_length, + input_udp_checksum=input_udp_checksum, + input_udp_payload_tdata=input_udp_payload_tdata, + input_udp_payload_tkeep=input_udp_payload_tkeep, + input_udp_payload_tvalid=input_udp_payload_tvalid, + input_udp_payload_tready=input_udp_payload_tready, + input_udp_payload_tlast=input_udp_payload_tlast, + input_udp_payload_tuser=input_udp_payload_tuser, + + output_udp_hdr_valid=output_udp_hdr_valid, + output_udp_hdr_ready=output_udp_hdr_ready, + output_udp_eth_dest_mac=output_udp_eth_dest_mac, + output_udp_eth_src_mac=output_udp_eth_src_mac, + output_udp_eth_type=output_udp_eth_type, + output_udp_ip_version=output_udp_ip_version, + output_udp_ip_ihl=output_udp_ip_ihl, + output_udp_ip_dscp=output_udp_ip_dscp, + output_udp_ip_ecn=output_udp_ip_ecn, + output_udp_ip_length=output_udp_ip_length, + output_udp_ip_identification=output_udp_ip_identification, + output_udp_ip_flags=output_udp_ip_flags, + output_udp_ip_fragment_offset=output_udp_ip_fragment_offset, + output_udp_ip_ttl=output_udp_ip_ttl, + output_udp_ip_protocol=output_udp_ip_protocol, + output_udp_ip_header_checksum=output_udp_ip_header_checksum, + output_udp_ip_source_ip=output_udp_ip_source_ip, + output_udp_ip_dest_ip=output_udp_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_tkeep=output_udp_payload_tkeep, + 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, + + rx_busy=rx_busy, + tx_busy=tx_busy, + rx_error_header_early_termination=rx_error_header_early_termination, + rx_error_payload_early_termination=rx_error_payload_early_termination, + tx_error_payload_early_termination=tx_error_payload_early_termination) + +def bench(): + + # Inputs + clk = Signal(bool(0)) + rst = Signal(bool(0)) + current_test = Signal(intbv(0)[8:]) + + input_ip_hdr_valid = Signal(bool(0)) + input_ip_eth_dest_mac = Signal(intbv(0)[48:]) + input_ip_eth_src_mac = Signal(intbv(0)[48:]) + input_ip_eth_type = Signal(intbv(0)[16:]) + input_ip_version = Signal(intbv(0)[4:]) + input_ip_ihl = Signal(intbv(0)[4:]) + input_ip_dscp = Signal(intbv(0)[6:]) + input_ip_ecn = Signal(intbv(0)[2:]) + input_ip_length = Signal(intbv(0)[16:]) + input_ip_identification = Signal(intbv(0)[16:]) + input_ip_flags = Signal(intbv(0)[3:]) + input_ip_fragment_offset = Signal(intbv(0)[13:]) + input_ip_ttl = Signal(intbv(0)[8:]) + input_ip_protocol = Signal(intbv(0)[8:]) + input_ip_header_checksum = Signal(intbv(0)[16:]) + input_ip_source_ip = Signal(intbv(0)[32:]) + input_ip_dest_ip = Signal(intbv(0)[32:]) + input_ip_payload_tdata = Signal(intbv(0)[64:]) + input_ip_payload_tkeep = Signal(intbv(0)[8:]) + input_ip_payload_tvalid = Signal(bool(0)) + input_ip_payload_tlast = Signal(bool(0)) + input_ip_payload_tuser = Signal(bool(0)) + input_udp_hdr_valid = Signal(bool(0)) + input_udp_eth_dest_mac = Signal(intbv(0)[48:]) + input_udp_eth_src_mac = Signal(intbv(0)[48:]) + input_udp_eth_type = Signal(intbv(0)[16:]) + input_udp_ip_version = Signal(intbv(0)[4:]) + input_udp_ip_ihl = Signal(intbv(0)[4:]) + input_udp_ip_dscp = Signal(intbv(0)[6:]) + input_udp_ip_ecn = Signal(intbv(0)[2:]) + input_udp_ip_identification = Signal(intbv(0)[16:]) + input_udp_ip_flags = Signal(intbv(0)[3:]) + input_udp_ip_fragment_offset = Signal(intbv(0)[13:]) + input_udp_ip_ttl = Signal(intbv(0)[8:]) + input_udp_ip_protocol = Signal(intbv(0)[8:]) + input_udp_ip_header_checksum = Signal(intbv(0)[16:]) + input_udp_ip_source_ip = Signal(intbv(0)[32:]) + input_udp_ip_dest_ip = Signal(intbv(0)[32:]) + input_udp_source_port = Signal(intbv(0)[16:]) + input_udp_dest_port = Signal(intbv(0)[16:]) + input_udp_length = Signal(intbv(0)[16:]) + input_udp_checksum = Signal(intbv(0)[16:]) + input_udp_payload_tdata = Signal(intbv(0)[64:]) + input_udp_payload_tkeep = Signal(intbv(0)[8:]) + input_udp_payload_tvalid = Signal(bool(0)) + input_udp_payload_tlast = Signal(bool(0)) + input_udp_payload_tuser = Signal(bool(0)) + output_ip_payload_tready = Signal(bool(0)) + output_ip_hdr_ready = Signal(bool(0)) + output_udp_hdr_ready = Signal(bool(0)) + output_udp_payload_tready = Signal(bool(0)) + + # Outputs + input_ip_hdr_ready = Signal(bool(0)) + input_ip_payload_tready = Signal(bool(0)) + input_udp_hdr_ready = Signal(bool(0)) + input_udp_payload_tready = Signal(bool(0)) + output_ip_hdr_valid = Signal(bool(0)) + output_ip_eth_dest_mac = Signal(intbv(0)[48:]) + output_ip_eth_src_mac = Signal(intbv(0)[48:]) + output_ip_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_ip_payload_tdata = Signal(intbv(0)[64:]) + output_ip_payload_tkeep = Signal(intbv(0)[8:]) + output_ip_payload_tvalid = Signal(bool(0)) + output_ip_payload_tlast = Signal(bool(0)) + output_ip_payload_tuser = Signal(bool(0)) + output_udp_hdr_valid = Signal(bool(0)) + output_udp_eth_dest_mac = Signal(intbv(0)[48:]) + output_udp_eth_src_mac = Signal(intbv(0)[48:]) + output_udp_eth_type = Signal(intbv(0)[16:]) + output_udp_ip_version = Signal(intbv(0)[4:]) + output_udp_ip_ihl = Signal(intbv(0)[4:]) + output_udp_ip_dscp = Signal(intbv(0)[6:]) + output_udp_ip_ecn = Signal(intbv(0)[2:]) + output_udp_ip_length = Signal(intbv(0)[16:]) + output_udp_ip_identification = Signal(intbv(0)[16:]) + output_udp_ip_flags = Signal(intbv(0)[3:]) + output_udp_ip_fragment_offset = Signal(intbv(0)[13:]) + output_udp_ip_ttl = Signal(intbv(0)[8:]) + output_udp_ip_protocol = Signal(intbv(0)[8:]) + output_udp_ip_header_checksum = Signal(intbv(0)[16:]) + output_udp_ip_source_ip = Signal(intbv(0)[32:]) + output_udp_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)[64:]) + output_udp_payload_tkeep = 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)) + rx_busy = Signal(bool(0)) + tx_busy = Signal(bool(0)) + rx_error_header_early_termination = Signal(bool(0)) + rx_error_payload_early_termination = Signal(bool(0)) + tx_error_payload_early_termination = Signal(bool(0)) + + # sources and sinks + ip_source_queue = Queue() + 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_tkeep=input_ip_payload_tkeep, + 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_tkeep=output_ip_payload_tkeep, + 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_protocol=input_udp_ip_protocol, + 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_tkeep=input_udp_payload_tkeep, + 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_tkeep=output_udp_payload_tkeep, + 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_tkeep, + 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_tkeep, + 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_protocol, + 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_tkeep, + 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_tkeep, + 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() + diff --git a/tb/test_udp_64.v b/tb/test_udp_64.v new file mode 100644 index 000000000..dbce9b8ce --- /dev/null +++ b/tb/test_udp_64.v @@ -0,0 +1,394 @@ +/* + +Copyright (c) 2014 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. + +*/ + +// Language: Verilog 2001 + +`timescale 1 ns / 1 ps + +module test_udp_64; + +// Parameters +parameter CHECKSUM_ENABLE = 0; +parameter CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH = 11; +parameter CHECKSUM_HEADER_FIFO_ADDR_WIDTH = 3; + +// Inputs +reg clk = 0; +reg rst = 0; +reg [7:0] current_test = 0; + +reg input_ip_hdr_valid = 0; +reg [47:0] input_ip_eth_dest_mac = 0; +reg [47:0] input_ip_eth_src_mac = 0; +reg [15:0] input_ip_eth_type = 0; +reg [3:0] input_ip_version = 0; +reg [3:0] input_ip_ihl = 0; +reg [5:0] input_ip_dscp = 0; +reg [1:0] input_ip_ecn = 0; +reg [15:0] input_ip_length = 0; +reg [15:0] input_ip_identification = 0; +reg [2:0] input_ip_flags = 0; +reg [12:0] input_ip_fragment_offset = 0; +reg [7:0] input_ip_ttl = 0; +reg [7:0] input_ip_protocol = 0; +reg [15:0] input_ip_header_checksum = 0; +reg [31:0] input_ip_source_ip = 0; +reg [31:0] input_ip_dest_ip = 0; +reg [63:0] input_ip_payload_tdata = 0; +reg [7:0] input_ip_payload_tkeep = 0; +reg input_ip_payload_tvalid = 0; +reg input_ip_payload_tlast = 0; +reg input_ip_payload_tuser = 0; +reg input_udp_hdr_valid = 0; +reg [47:0] input_udp_eth_dest_mac = 0; +reg [47:0] input_udp_eth_src_mac = 0; +reg [15:0] input_udp_eth_type = 0; +reg [3:0] input_udp_ip_version = 0; +reg [3:0] input_udp_ip_ihl = 0; +reg [5:0] input_udp_ip_dscp = 0; +reg [1:0] input_udp_ip_ecn = 0; +reg [15:0] input_udp_ip_identification = 0; +reg [2:0] input_udp_ip_flags = 0; +reg [12:0] input_udp_ip_fragment_offset = 0; +reg [7:0] input_udp_ip_ttl = 0; +reg [7:0] input_udp_ip_protocol = 0; +reg [15:0] input_udp_ip_header_checksum = 0; +reg [31:0] input_udp_ip_source_ip = 0; +reg [31:0] input_udp_ip_dest_ip = 0; +reg [15:0] input_udp_source_port = 0; +reg [15:0] input_udp_dest_port = 0; +reg [15:0] input_udp_length = 0; +reg [15:0] input_udp_checksum = 0; +reg [63:0] input_udp_payload_tdata = 0; +reg [7:0] input_udp_payload_tkeep = 0; +reg input_udp_payload_tvalid = 0; +reg input_udp_payload_tlast = 0; +reg input_udp_payload_tuser = 0; +reg output_ip_hdr_ready = 0; +reg output_ip_payload_tready = 0; +reg output_udp_hdr_ready = 0; +reg output_udp_payload_tready = 0; + +// Outputs +wire input_ip_hdr_ready; +wire input_ip_payload_tready; +wire input_udp_hdr_ready; +wire input_udp_payload_tready; +wire output_ip_hdr_valid; +wire [47:0] output_ip_eth_dest_mac; +wire [47:0] output_ip_eth_src_mac; +wire [15:0] output_ip_eth_type; +wire [3:0] output_ip_version; +wire [3:0] output_ip_ihl; +wire [5:0] output_ip_dscp; +wire [1:0] output_ip_ecn; +wire [15:0] output_ip_length; +wire [15:0] output_ip_identification; +wire [2:0] output_ip_flags; +wire [12:0] output_ip_fragment_offset; +wire [7:0] output_ip_ttl; +wire [7:0] output_ip_protocol; +wire [15:0] output_ip_header_checksum; +wire [31:0] output_ip_source_ip; +wire [31:0] output_ip_dest_ip; +wire [63:0] output_ip_payload_tdata; +wire [7:0] output_ip_payload_tkeep; +wire output_ip_payload_tvalid; +wire output_ip_payload_tlast; +wire output_ip_payload_tuser; +wire output_udp_hdr_valid; +wire [47:0] output_udp_eth_dest_mac; +wire [47:0] output_udp_eth_src_mac; +wire [15:0] output_udp_eth_type; +wire [3:0] output_udp_ip_version; +wire [3:0] output_udp_ip_ihl; +wire [5:0] output_udp_ip_dscp; +wire [1:0] output_udp_ip_ecn; +wire [15:0] output_udp_ip_length; +wire [15:0] output_udp_ip_identification; +wire [2:0] output_udp_ip_flags; +wire [12:0] output_udp_ip_fragment_offset; +wire [7:0] output_udp_ip_ttl; +wire [7:0] output_udp_ip_protocol; +wire [15:0] output_udp_ip_header_checksum; +wire [31:0] output_udp_ip_source_ip; +wire [31:0] output_udp_ip_dest_ip; +wire [15:0] output_udp_source_port; +wire [15:0] output_udp_dest_port; +wire [15:0] output_udp_length; +wire [15:0] output_udp_checksum; +wire [63:0] output_udp_payload_tdata; +wire [7:0] output_udp_payload_tkeep; +wire output_udp_payload_tvalid; +wire output_udp_payload_tlast; +wire output_udp_payload_tuser; +wire rx_busy; +wire tx_busy; +wire rx_error_header_early_termination; +wire rx_error_payload_early_termination; +wire tx_error_payload_early_termination; + +initial begin + // myhdl integration + $from_myhdl(clk, + rst, + current_test, + input_ip_hdr_valid, + 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_tkeep, + input_ip_payload_tvalid, + input_ip_payload_tlast, + input_ip_payload_tuser, + input_udp_hdr_valid, + 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_protocol, + 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_tkeep, + input_udp_payload_tvalid, + input_udp_payload_tlast, + input_udp_payload_tuser, + output_ip_hdr_ready, + output_ip_payload_tready, + output_udp_hdr_ready, + output_udp_payload_tready); + $to_myhdl(input_ip_hdr_ready, + input_ip_payload_tready, + input_udp_hdr_ready, + input_udp_payload_tready, + output_ip_hdr_valid, + 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_tkeep, + output_ip_payload_tvalid, + output_ip_payload_tlast, + output_ip_payload_tuser, + output_udp_hdr_valid, + 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_tkeep, + output_udp_payload_tvalid, + 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); + + // dump file + $dumpfile("test_udp_64.lxt"); + $dumpvars(0, test_udp_64); +end + +udp_64 #( + .CHECKSUM_ENABLE(CHECKSUM_ENABLE), + .CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH(CHECKSUM_PAYLOAD_FIFO_ADDR_WIDTH), + .CHECKSUM_HEADER_FIFO_ADDR_WIDTH(CHECKSUM_HEADER_FIFO_ADDR_WIDTH) +) +UUT ( + .clk(clk), + .rst(rst), + // IP frame input + .input_ip_hdr_valid(input_ip_hdr_valid), + .input_ip_hdr_ready(input_ip_hdr_ready), + .input_ip_eth_dest_mac(input_ip_eth_dest_mac), + .input_ip_eth_src_mac(input_ip_eth_src_mac), + .input_ip_eth_type(input_ip_eth_type), + .input_ip_version(input_ip_version), + .input_ip_ihl(input_ip_ihl), + .input_ip_dscp(input_ip_dscp), + .input_ip_ecn(input_ip_ecn), + .input_ip_length(input_ip_length), + .input_ip_identification(input_ip_identification), + .input_ip_flags(input_ip_flags), + .input_ip_fragment_offset(input_ip_fragment_offset), + .input_ip_ttl(input_ip_ttl), + .input_ip_protocol(input_ip_protocol), + .input_ip_header_checksum(input_ip_header_checksum), + .input_ip_source_ip(input_ip_source_ip), + .input_ip_dest_ip(input_ip_dest_ip), + .input_ip_payload_tdata(input_ip_payload_tdata), + .input_ip_payload_tkeep(input_ip_payload_tkeep), + .input_ip_payload_tvalid(input_ip_payload_tvalid), + .input_ip_payload_tready(input_ip_payload_tready), + .input_ip_payload_tlast(input_ip_payload_tlast), + .input_ip_payload_tuser(input_ip_payload_tuser), + // IP frame output + .output_ip_hdr_valid(output_ip_hdr_valid), + .output_ip_hdr_ready(output_ip_hdr_ready), + .output_ip_eth_dest_mac(output_ip_eth_dest_mac), + .output_ip_eth_src_mac(output_ip_eth_src_mac), + .output_ip_eth_type(output_ip_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_ip_payload_tdata(output_ip_payload_tdata), + .output_ip_payload_tkeep(output_ip_payload_tkeep), + .output_ip_payload_tvalid(output_ip_payload_tvalid), + .output_ip_payload_tready(output_ip_payload_tready), + .output_ip_payload_tlast(output_ip_payload_tlast), + .output_ip_payload_tuser(output_ip_payload_tuser), + // UDP frame input + .input_udp_hdr_valid(input_udp_hdr_valid), + .input_udp_hdr_ready(input_udp_hdr_ready), + .input_udp_eth_dest_mac(input_udp_eth_dest_mac), + .input_udp_eth_src_mac(input_udp_eth_src_mac), + .input_udp_eth_type(input_udp_eth_type), + .input_udp_ip_version(input_udp_ip_version), + .input_udp_ip_ihl(input_udp_ip_ihl), + .input_udp_ip_dscp(input_udp_ip_dscp), + .input_udp_ip_ecn(input_udp_ip_ecn), + .input_udp_ip_identification(input_udp_ip_identification), + .input_udp_ip_flags(input_udp_ip_flags), + .input_udp_ip_fragment_offset(input_udp_ip_fragment_offset), + .input_udp_ip_ttl(input_udp_ip_ttl), + .input_udp_ip_protocol(input_udp_ip_protocol), + .input_udp_ip_header_checksum(input_udp_ip_header_checksum), + .input_udp_ip_source_ip(input_udp_ip_source_ip), + .input_udp_ip_dest_ip(input_udp_ip_dest_ip), + .input_udp_source_port(input_udp_source_port), + .input_udp_dest_port(input_udp_dest_port), + .input_udp_length(input_udp_length), + .input_udp_checksum(input_udp_checksum), + .input_udp_payload_tdata(input_udp_payload_tdata), + .input_udp_payload_tkeep(input_udp_payload_tkeep), + .input_udp_payload_tvalid(input_udp_payload_tvalid), + .input_udp_payload_tready(input_udp_payload_tready), + .input_udp_payload_tlast(input_udp_payload_tlast), + .input_udp_payload_tuser(input_udp_payload_tuser), + // UDP frame output + .output_udp_hdr_valid(output_udp_hdr_valid), + .output_udp_hdr_ready(output_udp_hdr_ready), + .output_udp_eth_dest_mac(output_udp_eth_dest_mac), + .output_udp_eth_src_mac(output_udp_eth_src_mac), + .output_udp_eth_type(output_udp_eth_type), + .output_udp_ip_version(output_udp_ip_version), + .output_udp_ip_ihl(output_udp_ip_ihl), + .output_udp_ip_dscp(output_udp_ip_dscp), + .output_udp_ip_ecn(output_udp_ip_ecn), + .output_udp_ip_length(output_udp_ip_length), + .output_udp_ip_identification(output_udp_ip_identification), + .output_udp_ip_flags(output_udp_ip_flags), + .output_udp_ip_fragment_offset(output_udp_ip_fragment_offset), + .output_udp_ip_ttl(output_udp_ip_ttl), + .output_udp_ip_protocol(output_udp_ip_protocol), + .output_udp_ip_header_checksum(output_udp_ip_header_checksum), + .output_udp_ip_source_ip(output_udp_ip_source_ip), + .output_udp_ip_dest_ip(output_udp_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_tkeep(output_udp_payload_tkeep), + .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), + // Status signals + .rx_busy(rx_busy), + .tx_busy(tx_busy), + .rx_error_header_early_termination(rx_error_header_early_termination), + .rx_error_payload_early_termination(rx_error_payload_early_termination), + .tx_error_payload_early_termination(tx_error_payload_early_termination) +); + +endmodule