mirror of
https://github.com/alexforencich/verilog-ethernet.git
synced 2025-01-14 06:43:18 +08:00
662 lines
24 KiB
Verilog
662 lines
24 KiB
Verilog
/*
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Copyright (c) 2014-2018 Alex Forencich
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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// Language: Verilog 2001
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`resetall
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`timescale 1ns / 1ps
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`default_nettype none
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/*
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* IPv4 and ARP block with UDP support, ethernet frame interface (64 bit datapath)
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*/
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module udp_complete_64 #(
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parameter ARP_CACHE_ADDR_WIDTH = 9,
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parameter ARP_REQUEST_RETRY_COUNT = 4,
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parameter ARP_REQUEST_RETRY_INTERVAL = 125000000*2,
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parameter ARP_REQUEST_TIMEOUT = 125000000*30,
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parameter UDP_CHECKSUM_GEN_ENABLE = 1,
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parameter UDP_CHECKSUM_PAYLOAD_FIFO_DEPTH = 2048,
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parameter UDP_CHECKSUM_HEADER_FIFO_DEPTH = 8
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)
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(
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input wire clk,
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input wire rst,
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/*
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* Ethernet frame input
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*/
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input wire s_eth_hdr_valid,
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output wire s_eth_hdr_ready,
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input wire [47:0] s_eth_dest_mac,
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input wire [47:0] s_eth_src_mac,
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input wire [15:0] s_eth_type,
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input wire [63:0] s_eth_payload_axis_tdata,
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input wire [7:0] s_eth_payload_axis_tkeep,
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input wire s_eth_payload_axis_tvalid,
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output wire s_eth_payload_axis_tready,
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input wire s_eth_payload_axis_tlast,
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input wire s_eth_payload_axis_tuser,
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/*
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* Ethernet frame output
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*/
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output wire m_eth_hdr_valid,
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input wire m_eth_hdr_ready,
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output wire [47:0] m_eth_dest_mac,
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output wire [47:0] m_eth_src_mac,
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output wire [15:0] m_eth_type,
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output wire [63:0] m_eth_payload_axis_tdata,
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output wire [7:0] m_eth_payload_axis_tkeep,
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output wire m_eth_payload_axis_tvalid,
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input wire m_eth_payload_axis_tready,
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output wire m_eth_payload_axis_tlast,
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output wire m_eth_payload_axis_tuser,
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/*
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* IP input
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*/
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input wire s_ip_hdr_valid,
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output wire s_ip_hdr_ready,
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input wire [5:0] s_ip_dscp,
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input wire [1:0] s_ip_ecn,
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input wire [15:0] s_ip_length,
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input wire [7:0] s_ip_ttl,
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input wire [7:0] s_ip_protocol,
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input wire [31:0] s_ip_source_ip,
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input wire [31:0] s_ip_dest_ip,
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input wire [63:0] s_ip_payload_axis_tdata,
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input wire [7:0] s_ip_payload_axis_tkeep,
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input wire s_ip_payload_axis_tvalid,
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output wire s_ip_payload_axis_tready,
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input wire s_ip_payload_axis_tlast,
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input wire s_ip_payload_axis_tuser,
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/*
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* IP output
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*/
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output wire m_ip_hdr_valid,
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input wire m_ip_hdr_ready,
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output wire [47:0] m_ip_eth_dest_mac,
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output wire [47:0] m_ip_eth_src_mac,
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output wire [15:0] m_ip_eth_type,
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output wire [3:0] m_ip_version,
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output wire [3:0] m_ip_ihl,
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output wire [5:0] m_ip_dscp,
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output wire [1:0] m_ip_ecn,
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output wire [15:0] m_ip_length,
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output wire [15:0] m_ip_identification,
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output wire [2:0] m_ip_flags,
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output wire [12:0] m_ip_fragment_offset,
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output wire [7:0] m_ip_ttl,
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output wire [7:0] m_ip_protocol,
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output wire [15:0] m_ip_header_checksum,
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output wire [31:0] m_ip_source_ip,
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output wire [31:0] m_ip_dest_ip,
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output wire [63:0] m_ip_payload_axis_tdata,
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output wire [7:0] m_ip_payload_axis_tkeep,
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output wire m_ip_payload_axis_tvalid,
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input wire m_ip_payload_axis_tready,
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output wire m_ip_payload_axis_tlast,
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output wire m_ip_payload_axis_tuser,
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/*
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* UDP input
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*/
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input wire s_udp_hdr_valid,
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output wire s_udp_hdr_ready,
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input wire [5:0] s_udp_ip_dscp,
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input wire [1:0] s_udp_ip_ecn,
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input wire [7:0] s_udp_ip_ttl,
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input wire [31:0] s_udp_ip_source_ip,
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input wire [31:0] s_udp_ip_dest_ip,
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input wire [15:0] s_udp_source_port,
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input wire [15:0] s_udp_dest_port,
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input wire [15:0] s_udp_length,
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input wire [15:0] s_udp_checksum,
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input wire [63:0] s_udp_payload_axis_tdata,
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input wire [7:0] s_udp_payload_axis_tkeep,
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input wire s_udp_payload_axis_tvalid,
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output wire s_udp_payload_axis_tready,
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input wire s_udp_payload_axis_tlast,
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input wire s_udp_payload_axis_tuser,
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/*
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* UDP output
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*/
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output wire m_udp_hdr_valid,
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input wire m_udp_hdr_ready,
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output wire [47:0] m_udp_eth_dest_mac,
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output wire [47:0] m_udp_eth_src_mac,
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output wire [15:0] m_udp_eth_type,
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output wire [3:0] m_udp_ip_version,
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output wire [3:0] m_udp_ip_ihl,
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output wire [5:0] m_udp_ip_dscp,
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output wire [1:0] m_udp_ip_ecn,
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output wire [15:0] m_udp_ip_length,
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output wire [15:0] m_udp_ip_identification,
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output wire [2:0] m_udp_ip_flags,
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output wire [12:0] m_udp_ip_fragment_offset,
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output wire [7:0] m_udp_ip_ttl,
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output wire [7:0] m_udp_ip_protocol,
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output wire [15:0] m_udp_ip_header_checksum,
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output wire [31:0] m_udp_ip_source_ip,
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output wire [31:0] m_udp_ip_dest_ip,
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output wire [15:0] m_udp_source_port,
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output wire [15:0] m_udp_dest_port,
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output wire [15:0] m_udp_length,
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output wire [15:0] m_udp_checksum,
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output wire [63:0] m_udp_payload_axis_tdata,
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output wire [7:0] m_udp_payload_axis_tkeep,
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output wire m_udp_payload_axis_tvalid,
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input wire m_udp_payload_axis_tready,
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output wire m_udp_payload_axis_tlast,
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output wire m_udp_payload_axis_tuser,
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/*
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* Status
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*/
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output wire ip_rx_busy,
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output wire ip_tx_busy,
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output wire udp_rx_busy,
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output wire udp_tx_busy,
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output wire ip_rx_error_header_early_termination,
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output wire ip_rx_error_payload_early_termination,
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output wire ip_rx_error_invalid_header,
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output wire ip_rx_error_invalid_checksum,
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output wire ip_tx_error_payload_early_termination,
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output wire ip_tx_error_arp_failed,
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output wire udp_rx_error_header_early_termination,
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output wire udp_rx_error_payload_early_termination,
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output wire udp_tx_error_payload_early_termination,
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/*
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* Configuration
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*/
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input wire [47:0] local_mac,
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input wire [31:0] local_ip,
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input wire [31:0] gateway_ip,
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input wire [31:0] subnet_mask,
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input wire clear_arp_cache
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);
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wire ip_rx_ip_hdr_valid;
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wire ip_rx_ip_hdr_ready;
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wire [47:0] ip_rx_ip_eth_dest_mac;
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wire [47:0] ip_rx_ip_eth_src_mac;
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wire [15:0] ip_rx_ip_eth_type;
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wire [3:0] ip_rx_ip_version;
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wire [3:0] ip_rx_ip_ihl;
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wire [5:0] ip_rx_ip_dscp;
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wire [1:0] ip_rx_ip_ecn;
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wire [15:0] ip_rx_ip_length;
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wire [15:0] ip_rx_ip_identification;
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wire [2:0] ip_rx_ip_flags;
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wire [12:0] ip_rx_ip_fragment_offset;
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wire [7:0] ip_rx_ip_ttl;
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wire [7:0] ip_rx_ip_protocol;
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wire [15:0] ip_rx_ip_header_checksum;
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wire [31:0] ip_rx_ip_source_ip;
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wire [31:0] ip_rx_ip_dest_ip;
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wire [63:0] ip_rx_ip_payload_axis_tdata;
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wire [7:0] ip_rx_ip_payload_axis_tkeep;
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wire ip_rx_ip_payload_axis_tvalid;
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wire ip_rx_ip_payload_axis_tlast;
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wire ip_rx_ip_payload_axis_tuser;
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wire ip_rx_ip_payload_axis_tready;
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wire ip_tx_ip_hdr_valid;
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wire ip_tx_ip_hdr_ready;
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wire [5:0] ip_tx_ip_dscp;
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wire [1:0] ip_tx_ip_ecn;
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wire [15:0] ip_tx_ip_length;
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wire [7:0] ip_tx_ip_ttl;
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wire [7:0] ip_tx_ip_protocol;
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wire [31:0] ip_tx_ip_source_ip;
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wire [31:0] ip_tx_ip_dest_ip;
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wire [63:0] ip_tx_ip_payload_axis_tdata;
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wire [7:0] ip_tx_ip_payload_axis_tkeep;
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wire ip_tx_ip_payload_axis_tvalid;
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wire ip_tx_ip_payload_axis_tlast;
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wire ip_tx_ip_payload_axis_tuser;
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wire ip_tx_ip_payload_axis_tready;
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wire udp_rx_ip_hdr_valid;
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wire udp_rx_ip_hdr_ready;
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wire [47:0] udp_rx_ip_eth_dest_mac;
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wire [47:0] udp_rx_ip_eth_src_mac;
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wire [15:0] udp_rx_ip_eth_type;
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wire [3:0] udp_rx_ip_version;
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wire [3:0] udp_rx_ip_ihl;
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wire [5:0] udp_rx_ip_dscp;
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wire [1:0] udp_rx_ip_ecn;
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wire [15:0] udp_rx_ip_length;
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wire [15:0] udp_rx_ip_identification;
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wire [2:0] udp_rx_ip_flags;
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wire [12:0] udp_rx_ip_fragment_offset;
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wire [7:0] udp_rx_ip_ttl;
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wire [7:0] udp_rx_ip_protocol;
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wire [15:0] udp_rx_ip_header_checksum;
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wire [31:0] udp_rx_ip_source_ip;
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wire [31:0] udp_rx_ip_dest_ip;
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wire [63:0] udp_rx_ip_payload_axis_tdata;
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wire [7:0] udp_rx_ip_payload_axis_tkeep;
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wire udp_rx_ip_payload_axis_tvalid;
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wire udp_rx_ip_payload_axis_tlast;
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wire udp_rx_ip_payload_axis_tuser;
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wire udp_rx_ip_payload_axis_tready;
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wire udp_tx_ip_hdr_valid;
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wire udp_tx_ip_hdr_ready;
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wire [5:0] udp_tx_ip_dscp;
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wire [1:0] udp_tx_ip_ecn;
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wire [15:0] udp_tx_ip_length;
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wire [7:0] udp_tx_ip_ttl;
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wire [7:0] udp_tx_ip_protocol;
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wire [31:0] udp_tx_ip_source_ip;
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wire [31:0] udp_tx_ip_dest_ip;
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wire [63:0] udp_tx_ip_payload_axis_tdata;
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wire [7:0] udp_tx_ip_payload_axis_tkeep;
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wire udp_tx_ip_payload_axis_tvalid;
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wire udp_tx_ip_payload_axis_tlast;
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wire udp_tx_ip_payload_axis_tuser;
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wire udp_tx_ip_payload_axis_tready;
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/*
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* Input classifier (ip_protocol)
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*/
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wire s_select_udp = (ip_rx_ip_protocol == 8'h11);
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wire s_select_ip = !s_select_udp;
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reg s_select_udp_reg = 1'b0;
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reg s_select_ip_reg = 1'b0;
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always @(posedge clk) begin
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if (rst) begin
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s_select_udp_reg <= 1'b0;
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s_select_ip_reg <= 1'b0;
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end else begin
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if (ip_rx_ip_payload_axis_tvalid) begin
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if ((!s_select_udp_reg && !s_select_ip_reg) ||
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(ip_rx_ip_payload_axis_tvalid && ip_rx_ip_payload_axis_tready && ip_rx_ip_payload_axis_tlast)) begin
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s_select_udp_reg <= s_select_udp;
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s_select_ip_reg <= s_select_ip;
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end
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end else begin
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s_select_udp_reg <= 1'b0;
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s_select_ip_reg <= 1'b0;
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end
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end
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end
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// IP frame to UDP module
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assign udp_rx_ip_hdr_valid = s_select_udp && ip_rx_ip_hdr_valid;
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assign udp_rx_ip_eth_dest_mac = ip_rx_ip_eth_dest_mac;
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assign udp_rx_ip_eth_src_mac = ip_rx_ip_eth_src_mac;
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assign udp_rx_ip_eth_type = ip_rx_ip_eth_type;
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assign udp_rx_ip_version = ip_rx_ip_version;
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assign udp_rx_ip_ihl = ip_rx_ip_ihl;
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assign udp_rx_ip_dscp = ip_rx_ip_dscp;
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assign udp_rx_ip_ecn = ip_rx_ip_ecn;
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assign udp_rx_ip_length = ip_rx_ip_length;
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assign udp_rx_ip_identification = ip_rx_ip_identification;
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assign udp_rx_ip_flags = ip_rx_ip_flags;
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assign udp_rx_ip_fragment_offset = ip_rx_ip_fragment_offset;
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assign udp_rx_ip_ttl = ip_rx_ip_ttl;
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assign udp_rx_ip_protocol = 8'h11;
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assign udp_rx_ip_header_checksum = ip_rx_ip_header_checksum;
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assign udp_rx_ip_source_ip = ip_rx_ip_source_ip;
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assign udp_rx_ip_dest_ip = ip_rx_ip_dest_ip;
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assign udp_rx_ip_payload_axis_tdata = ip_rx_ip_payload_axis_tdata;
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assign udp_rx_ip_payload_axis_tkeep = ip_rx_ip_payload_axis_tkeep;
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assign udp_rx_ip_payload_axis_tvalid = s_select_udp_reg && ip_rx_ip_payload_axis_tvalid;
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assign udp_rx_ip_payload_axis_tlast = ip_rx_ip_payload_axis_tlast;
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assign udp_rx_ip_payload_axis_tuser = ip_rx_ip_payload_axis_tuser;
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// External IP frame output
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assign m_ip_hdr_valid = s_select_ip && ip_rx_ip_hdr_valid;
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assign m_ip_eth_dest_mac = ip_rx_ip_eth_dest_mac;
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assign m_ip_eth_src_mac = ip_rx_ip_eth_src_mac;
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assign m_ip_eth_type = ip_rx_ip_eth_type;
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assign m_ip_version = ip_rx_ip_version;
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assign m_ip_ihl = ip_rx_ip_ihl;
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assign m_ip_dscp = ip_rx_ip_dscp;
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assign m_ip_ecn = ip_rx_ip_ecn;
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assign m_ip_length = ip_rx_ip_length;
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assign m_ip_identification = ip_rx_ip_identification;
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assign m_ip_flags = ip_rx_ip_flags;
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assign m_ip_fragment_offset = ip_rx_ip_fragment_offset;
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assign m_ip_ttl = ip_rx_ip_ttl;
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assign m_ip_protocol = ip_rx_ip_protocol;
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assign m_ip_header_checksum = ip_rx_ip_header_checksum;
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assign m_ip_source_ip = ip_rx_ip_source_ip;
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assign m_ip_dest_ip = ip_rx_ip_dest_ip;
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assign m_ip_payload_axis_tdata = ip_rx_ip_payload_axis_tdata;
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assign m_ip_payload_axis_tkeep = ip_rx_ip_payload_axis_tkeep;
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assign m_ip_payload_axis_tvalid = s_select_ip_reg && ip_rx_ip_payload_axis_tvalid;
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assign m_ip_payload_axis_tlast = ip_rx_ip_payload_axis_tlast;
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assign m_ip_payload_axis_tuser = ip_rx_ip_payload_axis_tuser;
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assign ip_rx_ip_hdr_ready = (s_select_udp && udp_rx_ip_hdr_ready) ||
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(s_select_ip && m_ip_hdr_ready);
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assign ip_rx_ip_payload_axis_tready = (s_select_udp_reg && udp_rx_ip_payload_axis_tready) ||
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(s_select_ip_reg && m_ip_payload_axis_tready);
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/*
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* Output arbiter
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*/
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ip_arb_mux #(
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.S_COUNT(2),
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.DATA_WIDTH(64),
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.KEEP_ENABLE(1),
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.ID_ENABLE(0),
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.DEST_ENABLE(0),
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.USER_ENABLE(1),
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.USER_WIDTH(1),
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.ARB_TYPE_ROUND_ROBIN(0),
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.ARB_LSB_HIGH_PRIORITY(1)
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)
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ip_arb_mux_inst (
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.clk(clk),
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.rst(rst),
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// IP frame inputs
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.s_ip_hdr_valid({s_ip_hdr_valid, udp_tx_ip_hdr_valid}),
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.s_ip_hdr_ready({s_ip_hdr_ready, udp_tx_ip_hdr_ready}),
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.s_eth_dest_mac(0),
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.s_eth_src_mac(0),
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.s_eth_type(0),
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.s_ip_version(0),
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.s_ip_ihl(0),
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.s_ip_dscp({s_ip_dscp, udp_tx_ip_dscp}),
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.s_ip_ecn({s_ip_ecn, udp_tx_ip_ecn}),
|
|
.s_ip_length({s_ip_length, udp_tx_ip_length}),
|
|
.s_ip_identification(0),
|
|
.s_ip_flags(0),
|
|
.s_ip_fragment_offset(0),
|
|
.s_ip_ttl({s_ip_ttl, udp_tx_ip_ttl}),
|
|
.s_ip_protocol({s_ip_protocol, udp_tx_ip_protocol}),
|
|
.s_ip_header_checksum(0),
|
|
.s_ip_source_ip({s_ip_source_ip, udp_tx_ip_source_ip}),
|
|
.s_ip_dest_ip({s_ip_dest_ip, udp_tx_ip_dest_ip}),
|
|
.s_ip_payload_axis_tdata({s_ip_payload_axis_tdata, udp_tx_ip_payload_axis_tdata}),
|
|
.s_ip_payload_axis_tkeep({s_ip_payload_axis_tkeep, udp_tx_ip_payload_axis_tkeep}),
|
|
.s_ip_payload_axis_tvalid({s_ip_payload_axis_tvalid, udp_tx_ip_payload_axis_tvalid}),
|
|
.s_ip_payload_axis_tready({s_ip_payload_axis_tready, udp_tx_ip_payload_axis_tready}),
|
|
.s_ip_payload_axis_tlast({s_ip_payload_axis_tlast, udp_tx_ip_payload_axis_tlast}),
|
|
.s_ip_payload_axis_tid(0),
|
|
.s_ip_payload_axis_tdest(0),
|
|
.s_ip_payload_axis_tuser({s_ip_payload_axis_tuser, udp_tx_ip_payload_axis_tuser}),
|
|
// IP frame output
|
|
.m_ip_hdr_valid(ip_tx_ip_hdr_valid),
|
|
.m_ip_hdr_ready(ip_tx_ip_hdr_ready),
|
|
.m_eth_dest_mac(),
|
|
.m_eth_src_mac(),
|
|
.m_eth_type(),
|
|
.m_ip_version(),
|
|
.m_ip_ihl(),
|
|
.m_ip_dscp(ip_tx_ip_dscp),
|
|
.m_ip_ecn(ip_tx_ip_ecn),
|
|
.m_ip_length(ip_tx_ip_length),
|
|
.m_ip_identification(),
|
|
.m_ip_flags(),
|
|
.m_ip_fragment_offset(),
|
|
.m_ip_ttl(ip_tx_ip_ttl),
|
|
.m_ip_protocol(ip_tx_ip_protocol),
|
|
.m_ip_header_checksum(),
|
|
.m_ip_source_ip(ip_tx_ip_source_ip),
|
|
.m_ip_dest_ip(ip_tx_ip_dest_ip),
|
|
.m_ip_payload_axis_tdata(ip_tx_ip_payload_axis_tdata),
|
|
.m_ip_payload_axis_tkeep(ip_tx_ip_payload_axis_tkeep),
|
|
.m_ip_payload_axis_tvalid(ip_tx_ip_payload_axis_tvalid),
|
|
.m_ip_payload_axis_tready(ip_tx_ip_payload_axis_tready),
|
|
.m_ip_payload_axis_tlast(ip_tx_ip_payload_axis_tlast),
|
|
.m_ip_payload_axis_tid(),
|
|
.m_ip_payload_axis_tdest(),
|
|
.m_ip_payload_axis_tuser(ip_tx_ip_payload_axis_tuser)
|
|
);
|
|
|
|
/*
|
|
* IP stack
|
|
*/
|
|
ip_complete_64 #(
|
|
.ARP_CACHE_ADDR_WIDTH(ARP_CACHE_ADDR_WIDTH),
|
|
.ARP_REQUEST_RETRY_COUNT(ARP_REQUEST_RETRY_COUNT),
|
|
.ARP_REQUEST_RETRY_INTERVAL(ARP_REQUEST_RETRY_INTERVAL),
|
|
.ARP_REQUEST_TIMEOUT(ARP_REQUEST_TIMEOUT)
|
|
)
|
|
ip_complete_64_inst (
|
|
.clk(clk),
|
|
.rst(rst),
|
|
// Ethernet frame input
|
|
.s_eth_hdr_valid(s_eth_hdr_valid),
|
|
.s_eth_hdr_ready(s_eth_hdr_ready),
|
|
.s_eth_dest_mac(s_eth_dest_mac),
|
|
.s_eth_src_mac(s_eth_src_mac),
|
|
.s_eth_type(s_eth_type),
|
|
.s_eth_payload_axis_tdata(s_eth_payload_axis_tdata),
|
|
.s_eth_payload_axis_tkeep(s_eth_payload_axis_tkeep),
|
|
.s_eth_payload_axis_tvalid(s_eth_payload_axis_tvalid),
|
|
.s_eth_payload_axis_tready(s_eth_payload_axis_tready),
|
|
.s_eth_payload_axis_tlast(s_eth_payload_axis_tlast),
|
|
.s_eth_payload_axis_tuser(s_eth_payload_axis_tuser),
|
|
// Ethernet frame output
|
|
.m_eth_hdr_valid(m_eth_hdr_valid),
|
|
.m_eth_hdr_ready(m_eth_hdr_ready),
|
|
.m_eth_dest_mac(m_eth_dest_mac),
|
|
.m_eth_src_mac(m_eth_src_mac),
|
|
.m_eth_type(m_eth_type),
|
|
.m_eth_payload_axis_tdata(m_eth_payload_axis_tdata),
|
|
.m_eth_payload_axis_tkeep(m_eth_payload_axis_tkeep),
|
|
.m_eth_payload_axis_tvalid(m_eth_payload_axis_tvalid),
|
|
.m_eth_payload_axis_tready(m_eth_payload_axis_tready),
|
|
.m_eth_payload_axis_tlast(m_eth_payload_axis_tlast),
|
|
.m_eth_payload_axis_tuser(m_eth_payload_axis_tuser),
|
|
// IP frame input
|
|
.s_ip_hdr_valid(ip_tx_ip_hdr_valid),
|
|
.s_ip_hdr_ready(ip_tx_ip_hdr_ready),
|
|
.s_ip_dscp(ip_tx_ip_dscp),
|
|
.s_ip_ecn(ip_tx_ip_ecn),
|
|
.s_ip_length(ip_tx_ip_length),
|
|
.s_ip_ttl(ip_tx_ip_ttl),
|
|
.s_ip_protocol(ip_tx_ip_protocol),
|
|
.s_ip_source_ip(ip_tx_ip_source_ip),
|
|
.s_ip_dest_ip(ip_tx_ip_dest_ip),
|
|
.s_ip_payload_axis_tdata(ip_tx_ip_payload_axis_tdata),
|
|
.s_ip_payload_axis_tkeep(ip_tx_ip_payload_axis_tkeep),
|
|
.s_ip_payload_axis_tvalid(ip_tx_ip_payload_axis_tvalid),
|
|
.s_ip_payload_axis_tready(ip_tx_ip_payload_axis_tready),
|
|
.s_ip_payload_axis_tlast(ip_tx_ip_payload_axis_tlast),
|
|
.s_ip_payload_axis_tuser(ip_tx_ip_payload_axis_tuser),
|
|
// IP frame output
|
|
.m_ip_hdr_valid(ip_rx_ip_hdr_valid),
|
|
.m_ip_hdr_ready(ip_rx_ip_hdr_ready),
|
|
.m_ip_eth_dest_mac(ip_rx_ip_eth_dest_mac),
|
|
.m_ip_eth_src_mac(ip_rx_ip_eth_src_mac),
|
|
.m_ip_eth_type(ip_rx_ip_eth_type),
|
|
.m_ip_version(ip_rx_ip_version),
|
|
.m_ip_ihl(ip_rx_ip_ihl),
|
|
.m_ip_dscp(ip_rx_ip_dscp),
|
|
.m_ip_ecn(ip_rx_ip_ecn),
|
|
.m_ip_length(ip_rx_ip_length),
|
|
.m_ip_identification(ip_rx_ip_identification),
|
|
.m_ip_flags(ip_rx_ip_flags),
|
|
.m_ip_fragment_offset(ip_rx_ip_fragment_offset),
|
|
.m_ip_ttl(ip_rx_ip_ttl),
|
|
.m_ip_protocol(ip_rx_ip_protocol),
|
|
.m_ip_header_checksum(ip_rx_ip_header_checksum),
|
|
.m_ip_source_ip(ip_rx_ip_source_ip),
|
|
.m_ip_dest_ip(ip_rx_ip_dest_ip),
|
|
.m_ip_payload_axis_tdata(ip_rx_ip_payload_axis_tdata),
|
|
.m_ip_payload_axis_tkeep(ip_rx_ip_payload_axis_tkeep),
|
|
.m_ip_payload_axis_tvalid(ip_rx_ip_payload_axis_tvalid),
|
|
.m_ip_payload_axis_tready(ip_rx_ip_payload_axis_tready),
|
|
.m_ip_payload_axis_tlast(ip_rx_ip_payload_axis_tlast),
|
|
.m_ip_payload_axis_tuser(ip_rx_ip_payload_axis_tuser),
|
|
// Status
|
|
.rx_busy(ip_rx_busy),
|
|
.tx_busy(ip_tx_busy),
|
|
.rx_error_header_early_termination(ip_rx_error_header_early_termination),
|
|
.rx_error_payload_early_termination(ip_rx_error_payload_early_termination),
|
|
.rx_error_invalid_header(ip_rx_error_invalid_header),
|
|
.rx_error_invalid_checksum(ip_rx_error_invalid_checksum),
|
|
.tx_error_payload_early_termination(ip_tx_error_payload_early_termination),
|
|
.tx_error_arp_failed(ip_tx_error_arp_failed),
|
|
// Configuration
|
|
.local_mac(local_mac),
|
|
.local_ip(local_ip),
|
|
.gateway_ip(gateway_ip),
|
|
.subnet_mask(subnet_mask),
|
|
.clear_arp_cache(clear_arp_cache)
|
|
);
|
|
|
|
/*
|
|
* UDP interface
|
|
*/
|
|
udp_64 #(
|
|
.CHECKSUM_GEN_ENABLE(UDP_CHECKSUM_GEN_ENABLE),
|
|
.CHECKSUM_PAYLOAD_FIFO_DEPTH(UDP_CHECKSUM_PAYLOAD_FIFO_DEPTH),
|
|
.CHECKSUM_HEADER_FIFO_DEPTH(UDP_CHECKSUM_HEADER_FIFO_DEPTH)
|
|
)
|
|
udp_64_inst (
|
|
.clk(clk),
|
|
.rst(rst),
|
|
// IP frame input
|
|
.s_ip_hdr_valid(udp_rx_ip_hdr_valid),
|
|
.s_ip_hdr_ready(udp_rx_ip_hdr_ready),
|
|
.s_ip_eth_dest_mac(udp_rx_ip_eth_dest_mac),
|
|
.s_ip_eth_src_mac(udp_rx_ip_eth_src_mac),
|
|
.s_ip_eth_type(udp_rx_ip_eth_type),
|
|
.s_ip_version(udp_rx_ip_version),
|
|
.s_ip_ihl(udp_rx_ip_ihl),
|
|
.s_ip_dscp(udp_rx_ip_dscp),
|
|
.s_ip_ecn(udp_rx_ip_ecn),
|
|
.s_ip_length(udp_rx_ip_length),
|
|
.s_ip_identification(udp_rx_ip_identification),
|
|
.s_ip_flags(udp_rx_ip_flags),
|
|
.s_ip_fragment_offset(udp_rx_ip_fragment_offset),
|
|
.s_ip_ttl(udp_rx_ip_ttl),
|
|
.s_ip_protocol(udp_rx_ip_protocol),
|
|
.s_ip_header_checksum(udp_rx_ip_header_checksum),
|
|
.s_ip_source_ip(udp_rx_ip_source_ip),
|
|
.s_ip_dest_ip(udp_rx_ip_dest_ip),
|
|
.s_ip_payload_axis_tdata(udp_rx_ip_payload_axis_tdata),
|
|
.s_ip_payload_axis_tkeep(udp_rx_ip_payload_axis_tkeep),
|
|
.s_ip_payload_axis_tvalid(udp_rx_ip_payload_axis_tvalid),
|
|
.s_ip_payload_axis_tready(udp_rx_ip_payload_axis_tready),
|
|
.s_ip_payload_axis_tlast(udp_rx_ip_payload_axis_tlast),
|
|
.s_ip_payload_axis_tuser(udp_rx_ip_payload_axis_tuser),
|
|
// IP frame output
|
|
.m_ip_hdr_valid(udp_tx_ip_hdr_valid),
|
|
.m_ip_hdr_ready(udp_tx_ip_hdr_ready),
|
|
.m_ip_eth_dest_mac(),
|
|
.m_ip_eth_src_mac(),
|
|
.m_ip_eth_type(),
|
|
.m_ip_version(),
|
|
.m_ip_ihl(),
|
|
.m_ip_dscp(udp_tx_ip_dscp),
|
|
.m_ip_ecn(udp_tx_ip_ecn),
|
|
.m_ip_length(udp_tx_ip_length),
|
|
.m_ip_identification(),
|
|
.m_ip_flags(),
|
|
.m_ip_fragment_offset(),
|
|
.m_ip_ttl(udp_tx_ip_ttl),
|
|
.m_ip_protocol(udp_tx_ip_protocol),
|
|
.m_ip_header_checksum(),
|
|
.m_ip_source_ip(udp_tx_ip_source_ip),
|
|
.m_ip_dest_ip(udp_tx_ip_dest_ip),
|
|
.m_ip_payload_axis_tdata(udp_tx_ip_payload_axis_tdata),
|
|
.m_ip_payload_axis_tkeep(udp_tx_ip_payload_axis_tkeep),
|
|
.m_ip_payload_axis_tvalid(udp_tx_ip_payload_axis_tvalid),
|
|
.m_ip_payload_axis_tready(udp_tx_ip_payload_axis_tready),
|
|
.m_ip_payload_axis_tlast(udp_tx_ip_payload_axis_tlast),
|
|
.m_ip_payload_axis_tuser(udp_tx_ip_payload_axis_tuser),
|
|
// UDP frame input
|
|
.s_udp_hdr_valid(s_udp_hdr_valid),
|
|
.s_udp_hdr_ready(s_udp_hdr_ready),
|
|
.s_udp_eth_dest_mac(48'd0),
|
|
.s_udp_eth_src_mac(48'd0),
|
|
.s_udp_eth_type(16'd0),
|
|
.s_udp_ip_version(4'd0),
|
|
.s_udp_ip_ihl(4'd0),
|
|
.s_udp_ip_dscp(s_udp_ip_dscp),
|
|
.s_udp_ip_ecn(s_udp_ip_ecn),
|
|
.s_udp_ip_identification(16'd0),
|
|
.s_udp_ip_flags(3'd0),
|
|
.s_udp_ip_fragment_offset(13'd0),
|
|
.s_udp_ip_ttl(s_udp_ip_ttl),
|
|
.s_udp_ip_header_checksum(16'd0),
|
|
.s_udp_ip_source_ip(s_udp_ip_source_ip),
|
|
.s_udp_ip_dest_ip(s_udp_ip_dest_ip),
|
|
.s_udp_source_port(s_udp_source_port),
|
|
.s_udp_dest_port(s_udp_dest_port),
|
|
.s_udp_length(s_udp_length),
|
|
.s_udp_checksum(s_udp_checksum),
|
|
.s_udp_payload_axis_tdata(s_udp_payload_axis_tdata),
|
|
.s_udp_payload_axis_tkeep(s_udp_payload_axis_tkeep),
|
|
.s_udp_payload_axis_tvalid(s_udp_payload_axis_tvalid),
|
|
.s_udp_payload_axis_tready(s_udp_payload_axis_tready),
|
|
.s_udp_payload_axis_tlast(s_udp_payload_axis_tlast),
|
|
.s_udp_payload_axis_tuser(s_udp_payload_axis_tuser),
|
|
// UDP frame output
|
|
.m_udp_hdr_valid(m_udp_hdr_valid),
|
|
.m_udp_hdr_ready(m_udp_hdr_ready),
|
|
.m_udp_eth_dest_mac(m_udp_eth_dest_mac),
|
|
.m_udp_eth_src_mac(m_udp_eth_src_mac),
|
|
.m_udp_eth_type(m_udp_eth_type),
|
|
.m_udp_ip_version(m_udp_ip_version),
|
|
.m_udp_ip_ihl(m_udp_ip_ihl),
|
|
.m_udp_ip_dscp(m_udp_ip_dscp),
|
|
.m_udp_ip_ecn(m_udp_ip_ecn),
|
|
.m_udp_ip_length(m_udp_ip_length),
|
|
.m_udp_ip_identification(m_udp_ip_identification),
|
|
.m_udp_ip_flags(m_udp_ip_flags),
|
|
.m_udp_ip_fragment_offset(m_udp_ip_fragment_offset),
|
|
.m_udp_ip_ttl(m_udp_ip_ttl),
|
|
.m_udp_ip_protocol(m_udp_ip_protocol),
|
|
.m_udp_ip_header_checksum(m_udp_ip_header_checksum),
|
|
.m_udp_ip_source_ip(m_udp_ip_source_ip),
|
|
.m_udp_ip_dest_ip(m_udp_ip_dest_ip),
|
|
.m_udp_source_port(m_udp_source_port),
|
|
.m_udp_dest_port(m_udp_dest_port),
|
|
.m_udp_length(m_udp_length),
|
|
.m_udp_checksum(m_udp_checksum),
|
|
.m_udp_payload_axis_tdata(m_udp_payload_axis_tdata),
|
|
.m_udp_payload_axis_tkeep(m_udp_payload_axis_tkeep),
|
|
.m_udp_payload_axis_tvalid(m_udp_payload_axis_tvalid),
|
|
.m_udp_payload_axis_tready(m_udp_payload_axis_tready),
|
|
.m_udp_payload_axis_tlast(m_udp_payload_axis_tlast),
|
|
.m_udp_payload_axis_tuser(m_udp_payload_axis_tuser),
|
|
// Status
|
|
.rx_busy(udp_rx_busy),
|
|
.tx_busy(udp_tx_busy),
|
|
.rx_error_header_early_termination(udp_rx_error_header_early_termination),
|
|
.rx_error_payload_early_termination(udp_rx_error_payload_early_termination),
|
|
.tx_error_payload_early_termination(udp_tx_error_payload_early_termination)
|
|
);
|
|
|
|
endmodule
|
|
|
|
`resetall
|