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[/] [ethernet_tri_mode/] [trunk/] [rtl/] [verilog/] [MAC_rx.v] - Rev 35
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////////////////////////////////////////////////////////////////////// //// //// //// MAC_rx.v //// //// //// //// This file is part of the Ethernet IP core project //// //// http://www.opencores.org/projects.cgi/web/ethernet_tri_mode///// //// //// //// Author(s): //// //// - Jon Gao (gaojon@yahoo.com) //// //// //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2001 Authors //// //// //// //// This source file may be used and distributed without //// //// restriction provided that this copyright statement is not //// //// removed from the file and that any derivative work contains //// //// the original copyright notice and the associated disclaimer. //// //// //// //// This source file is free software; you can redistribute it //// //// and/or modify it under the terms of the GNU Lesser General //// //// Public License as published by the Free Software Foundation; //// //// either version 2.1 of the License, or (at your option) any //// //// later version. //// //// //// //// This source is distributed in the hope that it will be //// //// useful, but WITHOUT ANY WARRANTY; without even the implied //// //// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //// //// PURPOSE. See the GNU Lesser General Public License for more //// //// details. //// //// //// //// You should have received a copy of the GNU Lesser General //// //// Public License along with this source; if not, download it //// //// from http://www.opencores.org/lgpl.shtml //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS Revision History // // $Log: not supported by cvs2svn $ // Revision 1.3 2006/01/19 14:07:52 maverickist // verification is complete. // // Revision 1.2 2005/12/16 06:44:13 Administrator // replaced tab with space. // passed 9.6k length frame test. // // Revision 1.1.1.1 2005/12/13 01:51:44 Administrator // no message // module MAC_rx ( input Reset , input Clk_user, input Clk , //RMII interface input MCrs_dv , input [7:0] MRxD , input MRxErr , //flow_control signals output [15:0] pause_quanta , output pause_quanta_val , //user interface output Rx_mac_ra , input Rx_mac_rd , output [31:0] Rx_mac_data , output [1:0] Rx_mac_BE , output Rx_mac_pa , output Rx_mac_sop , output Rx_mac_eop , //CPU input MAC_rx_add_chk_en , input [7:0] MAC_add_prom_data , input [2:0] MAC_add_prom_add , input MAC_add_prom_wr , input broadcast_filter_en , input [15:0] broadcast_bucket_depth , input [15:0] broadcast_bucket_interval , input RX_APPEND_CRC, input [4:0] Rx_Hwmark , input [4:0] Rx_Lwmark , input CRC_chk_en , input [5:0] RX_IFG_SET , input [15:0] RX_MAX_LENGTH ,// 1518 input [6:0] RX_MIN_LENGTH ,// 64 //RMON interface output [15:0] Rx_pkt_length_rmon , output Rx_apply_rmon , output [2:0] Rx_pkt_err_type_rmon , output [2:0] Rx_pkt_type_rmon ); //****************************************************************************** //internal signals //****************************************************************************** //CRC_chk interface wire CRC_en ; wire CRC_init; wire CRC_err ; //MAC_rx_add_chk interface wire MAC_add_en ; wire MAC_rx_add_chk_err ; //broadcast_filter wire broadcast_ptr ; wire broadcast_drop ; //flow_control signals //wire [15:0] pause_quanta ; //wire pause_quanta_val ; //MAC_rx_ctrl interface wire [7:0] Fifo_data ; wire Fifo_data_en ; wire Fifo_full ; wire Fifo_data_err ; wire Fifo_data_end ; //****************************************************************************** //instantiation //****************************************************************************** MAC_rx_ctrl U_MAC_rx_ctrl( .Reset (Reset ), .Clk (Clk ), //RMII interface ( //RMII interface ), .MCrs_dv (MCrs_dv ), .MRxD (MRxD ), .MRxErr (MRxErr ), //CRC_chk interface (//CRC_chk interface ), .CRC_en (CRC_en ), .CRC_init (CRC_init ), .CRC_err (CRC_err ), //MAC_rx_add_chk interface (//MAC_rx_add_chk interface), .MAC_add_en (MAC_add_en ), .MAC_rx_add_chk_err (MAC_rx_add_chk_err ), //broadcast_filter (//broadcast_filter ), .broadcast_ptr (broadcast_ptr ), .broadcast_drop (broadcast_drop ), //flow_control signals (//flow_control signals ), .pause_quanta (pause_quanta ), .pause_quanta_val (pause_quanta_val ), //MAC_rx_FF interface (//MAC_rx_FF interface ), .Fifo_data (Fifo_data ), .Fifo_data_en (Fifo_data_en ), .Fifo_data_err (Fifo_data_err ), .Fifo_data_end (Fifo_data_end ), .Fifo_full (Fifo_full ), //RMON interface (//RMON interface ), .Rx_pkt_type_rmon (Rx_pkt_type_rmon ), .Rx_pkt_length_rmon (Rx_pkt_length_rmon ), .Rx_apply_rmon (Rx_apply_rmon ), .Rx_pkt_err_type_rmon (Rx_pkt_err_type_rmon ), //CPU (//CPU ), .RX_IFG_SET (RX_IFG_SET ), .RX_MAX_LENGTH (RX_MAX_LENGTH ), .RX_MIN_LENGTH (RX_MIN_LENGTH ) ); MAC_rx_FF U_MAC_rx_FF ( .Reset (Reset ), .Clk_MAC (Clk ), .Clk_SYS (Clk_user ), //MAC_rx_ctrl interface (//MAC_rx_ctrl interface ), .Fifo_data (Fifo_data ), .Fifo_data_en (Fifo_data_en ), .Fifo_full (Fifo_full ), .Fifo_data_err (Fifo_data_err ), .Fifo_data_end (Fifo_data_end ), //CPU (//CPU ), .Rx_Hwmark (Rx_Hwmark ), .Rx_Lwmark (Rx_Lwmark ), .RX_APPEND_CRC (RX_APPEND_CRC ), //user interface (//user interface ), .Rx_mac_ra (Rx_mac_ra ), .Rx_mac_rd (Rx_mac_rd ), .Rx_mac_data (Rx_mac_data ), .Rx_mac_BE (Rx_mac_BE ), .Rx_mac_sop (Rx_mac_sop ), .Rx_mac_pa (Rx_mac_pa ), .Rx_mac_eop (Rx_mac_eop ) ); `ifdef MAC_BROADCAST_FILTER_EN Broadcast_filter U_Broadcast_filter( .Reset (Reset ), .Clk (Clk ), //MAC_rx_ctrl (//MAC_rx_ctrl ), .broadcast_ptr (broadcast_ptr ), .broadcast_drop (broadcast_drop ), //FromCPU (//FromCPU ), .broadcast_filter_en (broadcast_filter_en ), .broadcast_bucket_depth (broadcast_bucket_depth ), .broadcast_bucket_interval (broadcast_bucket_interval ) ); `else assign broadcast_drop=0; `endif CRC_chk U_CRC_chk( .Reset (Reset ), .Clk (Clk ), .CRC_data (Fifo_data ), .CRC_init (CRC_init ), .CRC_en (CRC_en ), //From CPU (//From CPU ), .CRC_chk_en (CRC_chk_en ), .CRC_err (CRC_err ) ); `ifdef MAC_TARGET_CHECK_EN MAC_rx_add_chk U_MAC_rx_add_chk( .Reset (Reset ), .Clk (Clk ), .Init (CRC_init ), .data (Fifo_data ), .MAC_add_en (MAC_add_en ), .MAC_rx_add_chk_err (MAC_rx_add_chk_err ), //From CPU (//From CPU ), .MAC_rx_add_chk_en (MAC_rx_add_chk_en ), .MAC_add_prom_data (MAC_add_prom_data ), .MAC_add_prom_add (MAC_add_prom_add ), .MAC_add_prom_wr (MAC_add_prom_wr ) ); `else assign MAC_rx_add_chk_err=0; `endif endmodule
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