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Add UDP modules

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This commit is contained in:
Alex Forencich 2015-02-26 21:19:26 -08:00
parent ca94f1ded9
commit d34aaf784d
6 changed files with 3210 additions and 0 deletions
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/*
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

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/*
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

784
tb/test_udp.py Executable file
View File

@ -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()

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/*
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

804
tb/test_udp_64.py Executable file
View File

@ -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()

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/*
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