| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: pcg_classes.vr |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | class byte_array { |
| 36 | bit [7:0] val[]; |
| 37 | } |
| 38 | |
| 39 | |
| 40 | // ----- Node Descriptor ----- |
| 41 | class node_desc { |
| 42 | bit [47:0] l2_addr; // L2 address for this station |
| 43 | bit [15:0] tci; // Tag Control Information |
| 44 | bit [31:0] ip_addr; // IPv4 address of this substation |
| 45 | bit [128:0] ipv6_addr; // IPv6 address of this substation |
| 46 | bit [7:0] tos =0; // TOS v4/Frame Class v6 |
| 47 | bit [19:0] src_port; // Which ports may use this node as source |
| 48 | bit [31:0] spi = 0; // Security Parameter Index for AH /ESP |
| 49 | bit [7:0] nxthdr = 06; |
| 50 | |
| 51 | } |
| 52 | |
| 53 | // ----- TCP/UDP Ports Descriptor ----- |
| 54 | class tup_descr { |
| 55 | bit [15:0] src_tcp_udp_port; // Source TCP/UDP Port |
| 56 | bit [15:0] dst_tcp_udp_port; // Destination TCP/UDP Port |
| 57 | |
| 58 | } |
| 59 | |
| 60 | // ----- Frame Descriptor ----- |
| 61 | class frame_desc { |
| 62 | bit [4:0] frame_type = 0; // Frame Type (bit 3: 0=IPv4 Header 1=IPv6 Header) |
| 63 | // bit 4: 0=Tunneling off |
| 64 | bit [1:0] tunnel_type = 0;// selects between different tunneling combinations |
| 65 | // 00: IPv4/IPv4 (default) |
| 66 | // 01: IPv4/IPv6 |
| 67 | // 10: IPv6/IPv4 |
| 68 | // 11: IPv6/IPv6 |
| 69 | integer frame_class; // L3 IP class |
| 70 | integer type; // L3 IP class type (-1 = auto: length or type from class); |
| 71 | integer tpid; // L2 Tagged frames custopm TPID value (-1 = use default) |
| 72 | integer class_mask; // Mask to be applied to class |
| 73 | integer class_funct; // Mask Operation (0-AND, 1-OR) |
| 74 | integer data_type; // Type of payload |
| 75 | integer data_seed; // Seed for random data |
| 76 | //integer data_length; // Length of payload (-1=make exactly 64 byte packets) |
| 77 | |
| 78 | task new() { |
| 79 | frame_type = 0; |
| 80 | tunnel_type = 0; |
| 81 | frame_class = 0; |
| 82 | type = -1; |
| 83 | tpid = -1; |
| 84 | class_mask = 0; |
| 85 | class_funct = 0; |
| 86 | data_type = 0; |
| 87 | data_seed = 0; |
| 88 | //data_length = 0; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | |
| 93 | // ----- TCP Tx Parameters ----- |
| 94 | class tmt_param { |
| 95 | bit [31:0] adv_isn; |
| 96 | bit [31:0] last_seqno; |
| 97 | bit retr_timeout; //Initialize to zero |
| 98 | bit [15:0] adv_window_size;//Initialize to zero |
| 99 | |
| 100 | task new() { |
| 101 | retr_timeout = 0; |
| 102 | adv_window_size = 0; |
| 103 | last_seqno = 0; |
| 104 | } |
| 105 | |
| 106 | |
| 107 | } |
| 108 | |
| 109 | // ----- TCP Rx Parameters ----- |
| 110 | class rcv_param { |
| 111 | bit [31:0] rcv_isn;//User Programs while Setting "SYN" |
| 112 | bit [31:0] last_ackno; |
| 113 | bit timeout; //Initialize to zero |
| 114 | bit [15:0] rmt_window_size;//Initialize to zero |
| 115 | |
| 116 | task new() { |
| 117 | timeout = 0; |
| 118 | rmt_window_size = 0; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | |
| 123 | // ----- TCP State Parameters ----- |
| 124 | |
| 125 | class tcp_state { |
| 126 | bit [5:0] tcp_flags; |
| 127 | bit [3:0] tcp_st;//Initialise to zero now |
| 128 | |
| 129 | task new() { |
| 130 | //tcp_flags = 6'b00_0010;//{(URG,ACK,PSH,RST,SYN,FIN} |
| 131 | tcp_st = 0; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | |
| 136 | // ----- FLow Descriptor To Generate Packets of Various Flows ----- |
| 137 | class flow_desc { |
| 138 | |
| 139 | frame_desc frame = new; |
| 140 | node_desc src_node = new; |
| 141 | node_desc dst_node = new; |
| 142 | |
| 143 | tup_descr tup = new; |
| 144 | rcv_param rx_param = new; |
| 145 | tmt_param tx_param = new; |
| 146 | tcp_state fl_state = new ; |
| 147 | integer flow_no; |
| 148 | |
| 149 | |
| 150 | } |
| 151 | |
| 152 | |
| 153 | // ----- Forwarding Descriptor ----- |
| 154 | class fwd_desc { |
| 155 | // Forwarding Decision from FFLP |
| 156 | bit [23:0] fwd_decision[5]; |
| 157 | } |
| 158 | |
| 159 | // ----- Class Descriptor ----- |
| 160 | class l3_class_desc { |
| 161 | bit [7:0] val[14]; |
| 162 | } |
| 163 | |
| 164 | // ----- Class Mask Descriptor ----- |
| 165 | class l3_class_mask { |
| 166 | bit [7:0] val[14]; |
| 167 | } |