| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: niu_rxdma_pkttab.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 | #include <vera_defines.vrh> |
| 36 | #include <ListMacros.vrh> |
| 37 | #include "niu_rxtoken.vrh" |
| 38 | #include "mbox_class.vrh" |
| 39 | #include "get_mbox_id.vrh" |
| 40 | extern mbox_class mbox_id; |
| 41 | |
| 42 | #define TIME {get_time(HI), get_time(LO)} |
| 43 | |
| 44 | class CRxPacketScoreBoard { |
| 45 | |
| 46 | |
| 47 | integer port_id; |
| 48 | integer no_of_packets_qued, no_of_bytes_qued; |
| 49 | integer no_of_packets_dqued, no_of_bytes_dqued; |
| 50 | integer no_of_packets_checked, no_of_bytes_checked; |
| 51 | integer no_of_packets_dropped, no_of_bytes_dropped; |
| 52 | |
| 53 | integer no_of_packets_l2_errors, no_of_bytes_l2_errors; |
| 54 | integer no_of_packets_ext_l2_errors, no_of_bytes_ext_l2_errors; |
| 55 | integer no_of_packets_ext_cksum_errors, no_of_bytes_ext_cksum_errors; |
| 56 | |
| 57 | integer no_of_packets_ext_runts,no_of_bytes_ext_runts; |
| 58 | |
| 59 | integer hist1_count; |
| 60 | integer hist2_count; |
| 61 | integer hist3_count; |
| 62 | integer hist4_count; |
| 63 | integer hist5_count; |
| 64 | integer hist6_count; |
| 65 | integer hist7_count; |
| 66 | integer max_pkt_err_count; |
| 67 | integer min_pkt_err_count; |
| 68 | integer mcast_pkt_count; |
| 69 | integer bcast_pkt_count; |
| 70 | integer code_viol_err_count; |
| 71 | integer bmac_align_err_count; |
| 72 | integer xmac_byte_cnt; |
| 73 | |
| 74 | bit last_pkt_rcvd; // Token with (last_packet == 1 )receivced |
| 75 | // queu of packets |
| 76 | CRxToken RxTokenQue[]; |
| 77 | CRxToken DeletedRxTokenQue[]; |
| 78 | |
| 79 | task print_stats( ( integer interval = 10000), (bit one_time = 0) ); |
| 80 | task new(integer p) { |
| 81 | port_id = p; |
| 82 | last_pkt_rcvd = 1'b0; |
| 83 | |
| 84 | if(mbox_id.niu_rxpath_sb[p] == -1) { |
| 85 | mbox_id.niu_rxpath_sb[p] = alloc(MAILBOX,0,1); |
| 86 | // Check if we were succesfull allocating the mailbox |
| 87 | if(mbox_id.niu_rxpath_sb[p] == 0) { |
| 88 | printf("ERROR Could not allocate the scoreboard mailbox port %d \n",p); |
| 89 | mbox_id.niu_rxpath_sb[p] = -1; |
| 90 | return; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | no_of_packets_qued = 0; |
| 95 | no_of_packets_dqued = 0; |
| 96 | no_of_packets_checked = 0; |
| 97 | no_of_packets_dropped = 0; |
| 98 | no_of_packets_l2_errors = 0; |
| 99 | no_of_packets_ext_l2_errors =0; |
| 100 | no_of_packets_ext_cksum_errors=0; |
| 101 | no_of_bytes_ext_l2_errors=0; |
| 102 | no_of_bytes_ext_cksum_errors =0; |
| 103 | no_of_packets_ext_runts =0; |
| 104 | no_of_bytes_ext_runts =0; |
| 105 | |
| 106 | hist1_count = 0; |
| 107 | hist2_count = 0; |
| 108 | hist3_count = 0; |
| 109 | hist4_count = 0; |
| 110 | hist5_count = 0; |
| 111 | hist6_count = 0; |
| 112 | hist7_count = 0; |
| 113 | xmac_byte_cnt = 0; |
| 114 | max_pkt_err_count = 0; |
| 115 | min_pkt_err_count = 0; |
| 116 | mcast_pkt_count = 0; |
| 117 | bcast_pkt_count = 0; |
| 118 | code_viol_err_count = 0; |
| 119 | bmac_align_err_count = 0; |
| 120 | |
| 121 | no_of_bytes_qued = 0; |
| 122 | no_of_bytes_dqued = 0; |
| 123 | no_of_bytes_checked = 0; |
| 124 | no_of_bytes_dropped = 0; |
| 125 | no_of_bytes_l2_errors = 0; |
| 126 | fork |
| 127 | wait_for_packets(); |
| 128 | join none |
| 129 | fork |
| 130 | print_stats(100000); |
| 131 | join none |
| 132 | } |
| 133 | |
| 134 | function integer addPackets(CRxToken RxToken); |
| 135 | function integer getPacket(integer id, var CRxToken RxToken,integer dma_no,integer dma_no_from_pkt) ; |
| 136 | local function integer CheckDeletedQueue(integer id, var CRxToken RxToken); |
| 137 | function integer getNoOfEntries() ; |
| 138 | task incPacketStats(CRxToken RxToken); |
| 139 | task wait_for_packets(); |
| 140 | |
| 141 | } |
| 142 | task CRxPacketScoreBoard::incPacketStats(CRxToken RxToken ) { |
| 143 | integer pg_error_code; |
| 144 | integer rxtoken_error_code; |
| 145 | no_of_packets_qued ++; |
| 146 | no_of_bytes_qued = no_of_bytes_qued + RxToken.pkt_length; |
| 147 | |
| 148 | // xmac byte counter ceils to the multiple of 8 bytes |
| 149 | if (RxToken.pkt_length%8) |
| 150 | xmac_byte_cnt = RxToken.pkt_length/8 + 1; |
| 151 | else |
| 152 | xmac_byte_cnt = RxToken.pkt_length/8; |
| 153 | |
| 154 | // ext errors |
| 155 | pg_error_code = RxToken.pgToken.pack_db.frame.error_code; |
| 156 | |
| 157 | // if ext l2 errors |
| 158 | if((pg_error_code&PG_CRC_ERR) /*What about PG_TYPE_LEN_ERR?*/) { |
| 159 | no_of_packets_ext_l2_errors++; |
| 160 | no_of_bytes_ext_l2_errors = no_of_bytes_ext_l2_errors + RxToken.pkt_length; |
| 161 | } |
| 162 | |
| 163 | // if ext cksum errors |
| 164 | if((pg_error_code&PG_CHKSUM_ERR) /**/) { |
| 165 | no_of_packets_ext_cksum_errors++; |
| 166 | no_of_bytes_ext_cksum_errors = no_of_bytes_ext_cksum_errors + RxToken.pkt_length; |
| 167 | } |
| 168 | |
| 169 | if( RxToken.pkt_length<64) { |
| 170 | no_of_packets_ext_runts++; |
| 171 | no_of_bytes_ext_runts = no_of_bytes_ext_runts + RxToken.pkt_length; |
| 172 | } |
| 173 | |
| 174 | |
| 175 | if (RxToken.pkt_length==64) hist1_count ++ ; |
| 176 | if (RxToken.pkt_length>=65 && RxToken.pkt_length<128) hist2_count ++ ; |
| 177 | if (RxToken.pkt_length>=128 && RxToken.pkt_length<256) hist3_count ++ ; |
| 178 | if (RxToken.pkt_length>=256 && RxToken.pkt_length<512) hist4_count ++ ; |
| 179 | if (RxToken.pkt_length>=512 && RxToken.pkt_length<1024) hist5_count ++ ; |
| 180 | if (RxToken.pkt_length>=1024 && RxToken.pkt_length<1523) hist6_count ++ ; |
| 181 | |
| 182 | hist7_count ++ ; // total packet counter |
| 183 | |
| 184 | |
| 185 | |
| 186 | |
| 187 | if (RxToken.pgToken.pack_db.flow.dst_node.l2_addr == 48'hffff_ffff_ffff) bcast_pkt_count ++ ; |
| 188 | |
| 189 | |
| 190 | |
| 191 | |
| 192 | } |
| 193 | |
| 194 | function integer CRxPacketScoreBoard::addPackets(CRxToken RxToken) { |
| 195 | |
| 196 | integer id; |
| 197 | |
| 198 | id = RxToken.id; |
| 199 | if(RxToken.port_num!=port_id) { |
| 200 | printf("ERROR Incorrect Packet port num received !! \n"); |
| 201 | addPackets = -1; |
| 202 | } else if(assoc_index(CHECK,RxTokenQue,id)) { |
| 203 | // check if this entry already exists |
| 204 | printf(" packet id - %d exists in the queue - TB ERROR \n"); |
| 205 | addPackets = -1; |
| 206 | } else { |
| 207 | // Now add the packet |
| 208 | RxTokenQue[id] = RxToken; |
| 209 | |
| 210 | incPacketStats(RxToken); |
| 211 | |
| 212 | printf("CRxPacketScoreBoard::addPackets packet id - %d added in the queue - Port id - %d No Sofar - %d\n",id,port_id,no_of_packets_qued); |
| 213 | } |
| 214 | |
| 215 | if(RxToken.last_packet) { |
| 216 | last_pkt_rcvd = 1'b1; |
| 217 | printf("%d CRxPacketScoreBoard::addPackets packet id - %d Received Last packet for Port id - %d \n",TIME, id,port_id); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | function integer CRxPacketScoreBoard::CheckDeletedQueue(integer id, var CRxToken RxToken){ |
| 222 | integer status; |
| 223 | if(assoc_index(CHECK,DeletedRxTokenQue,id)) { |
| 224 | CheckDeletedQueue = 0; |
| 225 | RxToken = DeletedRxTokenQue[id].object_copy(); |
| 226 | status = assoc_index(DELETE,DeletedRxTokenQue,id); |
| 227 | printf("CRxPacketScoreBoard::CheckDeletedQueue: id - %d port_id - %d found in deleted entry !!\n",id,port_id); |
| 228 | |
| 229 | } else { |
| 230 | CheckDeletedQueue = 1; |
| 231 | } |
| 232 | } |
| 233 | function integer CRxPacketScoreBoard::getPacket(integer id, var CRxToken RxToken,integer dma_no,integer dma_no_from_pkt) { |
| 234 | |
| 235 | integer status; |
| 236 | integer first_id; |
| 237 | integer iid,j; |
| 238 | integer dma_no_to_compare; |
| 239 | |
| 240 | // find out how many entries are there before this one. |
| 241 | // Among these are any of the entries expected to be dropped due to intentional errors |
| 242 | // such as CRC, FIFO Errors etc |
| 243 | // If not - mark them as potentially dropped due to backpressure and check if the testcase |
| 244 | // was intending to do back-pressure. |
| 245 | |
| 246 | // Check if this id is for a packet already deleted. If so the only time this can come would be |
| 247 | // when default dma is different from what was intended |
| 248 | |
| 249 | status = CheckDeletedQueue(id, RxToken); |
| 250 | if(status==0) { |
| 251 | // entry found - decrement counter |
| 252 | no_of_packets_dropped--; |
| 253 | no_of_packets_dqued++; |
| 254 | getPacket = 1; |
| 255 | printf("CRxPacketScoreBoard::getPacket: CheckDeletedQueue PacketId - %d Port - %d dma_no - %d Dropped - So far - %d \n",id,port_id,dma_no_from_pkt,no_of_packets_dropped); |
| 256 | |
| 257 | // no_of_bytes_dropped = no_of_bytes_dropped +RxTokenQue[iid].pkt_length; |
| 258 | // no_of_bytes_dqued = no_of_bytes_dqued + RxToken.pkt_length; |
| 259 | } else { |
| 260 | // check if the id exists |
| 261 | status = assoc_index(FIRST,RxTokenQue,first_id); |
| 262 | if(status==0) { |
| 263 | printf("PacketQue Empty !!! Illegal packet received Port No -%d \n",port_id); |
| 264 | getPacket = -1; |
| 265 | } else if(assoc_index(CHECK,RxTokenQue,id)) { |
| 266 | |
| 267 | if(id== first_id) { |
| 268 | printf(" Packet Received Matches with the first one- No Packets dropped until now PortNo- %d PacketId - %d \n",port_id,id); |
| 269 | } else { |
| 270 | // scan through the que until we find the packet |
| 271 | |
| 272 | dma_no_to_compare = dma_no; |
| 273 | |
| 274 | status = assoc_index(FIRST,RxTokenQue,first_id); |
| 275 | iid = first_id; |
| 276 | while(id!=iid) { |
| 277 | // find out if next exists |
| 278 | if(RxTokenQue[iid].dma_num== dma_no_to_compare) { |
| 279 | no_of_packets_dropped++; |
| 280 | no_of_bytes_dropped = no_of_bytes_dropped +RxTokenQue[iid].pkt_length; |
| 281 | printf("CRxPacketScoreBoard::getPacket: PacketId - %d Port - %d dma_no - %d Dropped - So far - %d \n",iid,port_id,dma_no_to_compare,no_of_packets_dropped); |
| 282 | j=iid; |
| 283 | status = assoc_index(NEXT,RxTokenQue,j); |
| 284 | if(status) { /*printf("delete found next\n");*/} |
| 285 | else { if (id!=j) printf("ERROR IN FINDING NEXT\n"); } |
| 286 | DeletedRxTokenQue[iid] = RxTokenQue[iid].object_copy(); |
| 287 | status = assoc_index(DELETE,RxTokenQue,iid); |
| 288 | iid = j; |
| 289 | } else { |
| 290 | j=iid; |
| 291 | status = assoc_index(NEXT,RxTokenQue,j); |
| 292 | if(status) { /*printf("found next\n");*/} |
| 293 | else { if (id!=j) printf("ERROR IN FINDING NEXT\n"); } |
| 294 | iid = j; |
| 295 | } |
| 296 | } |
| 297 | printf(" RxTokenQue[%d] Expected DMa No - %d Matched with id - %d \n",port_id,dma_no,iid); |
| 298 | }// end else |
| 299 | |
| 300 | |
| 301 | RxToken = new(); |
| 302 | RxToken = RxTokenQue[id].object_copy(); |
| 303 | status = assoc_index(DELETE,RxTokenQue,id); |
| 304 | no_of_packets_dqued++; |
| 305 | no_of_bytes_dqued = no_of_bytes_dqued + RxToken.pkt_length; |
| 306 | getPacket = 1; |
| 307 | } else { |
| 308 | printf(" Packet Id doesnt exist!!! Illegal packet received \n"); |
| 309 | getPacket = -1; |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | function integer CRxPacketScoreBoard::getNoOfEntries() { |
| 314 | getNoOfEntries = no_of_packets_qued - no_of_packets_dqued; |
| 315 | } |
| 316 | |
| 317 | task CRxPacketScoreBoard::wait_for_packets() { |
| 318 | CRxToken RxToken; |
| 319 | integer no_of_tkns,status; |
| 320 | |
| 321 | while(1) { |
| 322 | no_of_tkns = mailbox_get(WAIT,mbox_id.niu_rxpath_sb[port_id], RxToken); |
| 323 | status = addPackets(RxToken); |
| 324 | if(status==-1){ |
| 325 | printf(" ERROR in adding packets to scoreboard \n"); |
| 326 | return; |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | } |
| 331 | task CRxPacketScoreBoard::print_stats( ( integer interval = 10000), (bit one_time = 0) ) { |
| 332 | integer count; |
| 333 | integer packets_remaining,packets_checked,total_packets_sent,packets_dropped,packets_l2_errors; |
| 334 | |
| 335 | count = 0; |
| 336 | while(1) { |
| 337 | |
| 338 | printf("###START CURRENT STATS####!! TIME - %d Port - %d \n",TIME,port_id); |
| 339 | packets_remaining = getNoOfEntries(); |
| 340 | packets_checked = no_of_packets_dqued; |
| 341 | total_packets_sent = no_of_packets_qued; |
| 342 | packets_dropped = no_of_packets_dropped; |
| 343 | packets_l2_errors = no_of_packets_l2_errors; |
| 344 | printf("###STATS SOFAR#### Port=%0d packets_remaining=%0d packets_checked=%0d total_packets_sent=%0d\n", port_id, packets_remaining, packets_checked, total_packets_sent); |
| 345 | printf("###STATS SOFAR#### Port=%0d bytes_checked=%0d total_bytes_sent=%0d\n", port_id, no_of_bytes_dqued, no_of_bytes_qued); |
| 346 | printf("###STATS SOFAR#### Port=%0d packets dropped due to L2Error=%0d bytes=%0d\n", port_id, no_of_packets_l2_errors, no_of_bytes_l2_errors); |
| 347 | printf("###END CURRENT STATS####!! TIME - %d Port - %d \n",TIME,port_id); |
| 348 | if(one_time) |
| 349 | return; |
| 350 | repeat(interval + 10*port_id ) @(posedge CLOCK); |
| 351 | } |
| 352 | } |