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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: pcg_lib.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 "pcg_defines.vri" | |
37 | #include "pcg_types.vri" | |
38 | #include "pcg_classes.vrh" | |
39 | #include "pack_db.vrh" | |
40 | #include "pack_db_tasks.vrh" | |
41 | #include "flow_db.vrh" | |
42 | #include "flow_db_tasks.vrh" | |
43 | #include "mbox_class.vrh" | |
44 | #include "get_mbox_id.vrh" | |
45 | #include "pg_top_pp.vrh" | |
46 | ||
47 | extern pack_db_entry pack_db[]; | |
48 | // extern flow_db_entry flow_db[]; | |
49 | // extern integer pack_db_index; | |
50 | // extern integer flow_num; | |
51 | // extern integer pack_db_lock; | |
52 | // extern integer flow_db_lock; | |
53 | extern mbox_class mbox_id; | |
54 | // extern integer quiet_on; | |
55 | extern flow_desc flow[]; | |
56 | extern class pc; | |
57 | ||
58 | extern pg ptr_to_first_pg; | |
59 | extern pg pack_gen[16]; | |
60 | ||
61 | extern pc pack_check[4]; | |
62 | ||
63 | ||
64 | ||
65 | ||
66 | /* | |
67 | extern class pg; | |
68 | extern pg ptr_to_first_pg; | |
69 | extern pg pack_gen[4]; | |
70 | ||
71 | */ | |
72 | ||
73 | ||
74 | task build_frame(integer itoken, byte_array buf, var integer len,(integer header_id=-1),(integer new_crc=0)) { | |
75 | integer n; | |
76 | integer ptr=0; | |
77 | integer tagged = 0; | |
78 | integer my_port, org_port; | |
79 | bit [31:0] tmp32; | |
80 | integer data_len, header_len; | |
81 | integer debug = 0; | |
82 | integer token; | |
83 | integer adj_len=0; | |
84 | integer min,max; | |
85 | bit [15:0] tx_status; | |
86 | ||
87 | tmp32 = itoken; | |
88 | token = tmp32[25:0]; | |
89 | //debug = tmp32[31]; | |
90 | ||
91 | if(debug) | |
92 | printf("DEBUG: build_frame: Started Build-Frame. (Input: Token: %0d, Len: %0d Hdr: %0d, NewCRC: %0d Port: %0d)\n", | |
93 | token,len,header_id,new_crc,my_port); | |
94 | ||
95 | if( assoc_index(CHECK, pack_db, token) == 0 ) { | |
96 | printf("ERROR: PG LIB: build_frame: Token (%0d) is invalid/entry could not be found in packet database.\n", | |
97 | token); | |
98 | len = 0; | |
99 | buf = null; | |
100 | return; | |
101 | } | |
102 | ||
103 | my_port = pack_db[token].org_port; | |
104 | org_port = pack_db[token].org_port; | |
105 | if(header_id != -1) my_port = header_id; | |
106 | ||
107 | ||
108 | if(INTER_FEDX) { | |
109 | buf.val[ptr++] = pack_db[token].ifedx_control[07:0]; | |
110 | buf.val[ptr++] = pack_db[token].ifedx_control[15:8]; | |
111 | if(debug) printf("DEBUG: build_frame: Building INTERFEDX packet\n"); | |
112 | } | |
113 | ||
114 | if(debug) printf("DEBUG: build_frame: (1)ptr: %0d\n",ptr); | |
115 | ||
116 | ||
117 | if(header_id==-1) { | |
118 | header_len = pack_db[token].header_len[ pack_db[token].use_hdr ]; | |
119 | ||
120 | for(n=0;n< header_len ;n++) | |
121 | buf.val[ptr++] = pack_db[token].header[ pack_db[token].use_hdr ].val[n]; | |
122 | } else { | |
123 | ||
124 | #define out_use_header pack_db[token].out_header[header_id].use_header | |
125 | ||
126 | if( assoc_index(CHECK,pack_db[token].out_header,header_id) & | |
127 | assoc_index(CHECK,pack_db[token].out_header[header_id].header, out_use_header) ) { | |
128 | ||
129 | header_len = pack_db[token].out_header[header_id].header_len[ out_use_header ]; | |
130 | ||
131 | for(n=0; n < header_len ; n++) | |
132 | buf.val[ptr++] =pack_db[token].out_header[header_id].header[out_use_header].val[n]; | |
133 | } else { | |
134 | printf("ERROR: PG LIB: build_frame: out header invalid. (Token:%0d, Out header id: %0d).\n", | |
135 | token,header_id); | |
136 | len = 0; | |
137 | buf = null; | |
138 | return; | |
139 | } | |
140 | } | |
141 | ||
142 | if(debug) printf("DEBUG: build_frame: header_len: %0d\n",header_len); | |
143 | if(debug) printf("DEBUG: build_frame: (2)ptr: %0d\n",ptr); | |
144 | ||
145 | ||
146 | if(pack_db[token].frame.data_type != DAT_FC_PAUSE) | |
147 | '{buf.val[ptr++], buf.val[ptr++]} = token; // Store token in payload | |
148 | ||
149 | ||
150 | if(pack_db[token].org_port<17 & my_port>16) adj_len += 6; | |
151 | if(pack_db[token].org_port>16 & my_port<17) adj_len -= 6; | |
152 | ||
153 | if(debug) printf("DEBUG: build_frame: adj_len: %0d\n",adj_len); | |
154 | ||
155 | ||
156 | if( pack_db[token].frame.frame_type[2] ) tagged = 1; | |
157 | ||
158 | if(debug) printf("DEBUG: build_frame: (3)ptr: DAT_LEN_EXACT: %0d\n", | |
159 | ptr_to_first_pg.check_option(pack_db[token].frame.data_type, DAT_LEN_EXACT) ); | |
160 | ||
161 | ||
162 | if(pack_db[token].data_length<0) { | |
163 | ||
164 | case(pack_db[token].data_length) { | |
165 | -1: pack_db[token].data_length = 64; | |
166 | -2: pack_db[token].data_length = 128; | |
167 | -3: pack_db[token].data_length = 256; | |
168 | -4: pack_db[token].data_length = 512; | |
169 | -5: pack_db[token].data_length = 1024; | |
170 | -6: pack_db[token].data_length = (tagged) ? 1522 : 1518; | |
171 | -7: { | |
172 | // pack_db[token].data_length = random(pack_db[token].frame.data_seed); // Vera supports only one random | |
173 | ||
174 | pack_db[token].data_length = random(); | |
175 | min = 64; | |
176 | max = (tagged) ? 1522 : 1518; | |
177 | while(pack_db[token].data_length<min | pack_db[token].data_length>max) | |
178 | pack_db[token].data_length = random(); | |
179 | } | |
180 | -8: pack_db[token].data_length = 63; | |
181 | -9: pack_db[token].data_length = 65; | |
182 | -10: pack_db[token].data_length = (tagged) ? 1521 : 1517; | |
183 | -11: pack_db[token].data_length = (tagged) ? 1523 : 1519; | |
184 | } | |
185 | ||
186 | pack_db[token].frame.data_type = pack_db[token].frame.data_type | DAT_LEN_EXACT; | |
187 | } | |
188 | ||
189 | ||
190 | if( ptr_to_first_pg.check_option(pack_db[token].frame.data_type, DAT_LEN_EXACT) ) { | |
191 | ||
192 | // Convert exact length to actual data length, clear exact flag and use that data length from now on. | |
193 | // data_len = pack_db[token].data_length + header_len - pack_db[token].header_len[0] + adj_len; | |
194 | ||
195 | data_len = pack_db[token].data_length - header_len - 4; // data_len - header_len - crc_len | |
196 | ||
197 | ||
198 | if(INTER_FEDX) data_len = data_len - 6; | |
199 | ||
200 | pack_db[token].data_length = data_len; | |
201 | pack_db[token].frame.data_type = pack_db[token].frame.data_type & DAT_TYPE_MASK; | |
202 | } | |
203 | else | |
204 | data_len = pack_db[token].data_length; | |
205 | ||
206 | ||
207 | if(debug) printf("DEBUG: build_frame: (3)ptr: %0d\n",ptr); | |
208 | if(debug) printf("DEBUG: build_frame: data_len: %0d\n",data_len); | |
209 | ||
210 | if( pack_db[token].frame.frame_type[2] ) tagged = 1; | |
211 | pack_gen[my_port].data_gen( pack_db[token].frame.data_type, | |
212 | pack_db[token].frame.data_seed, | |
213 | data_len, | |
214 | buf, ptr, pack_db[token].options, pack_gen[my_port], tagged, INTER_FEDX); | |
215 | ||
216 | if(debug) printf("DEBUG: build_frame: (4)ptr: %0d\n",ptr); | |
217 | ||
218 | ||
219 | ||
220 | if(INTER_FEDX) | |
221 | tmp32 = pack_gen[my_port].crc_gen(buf, 2, ptr); // Skip Interfedx Control Word | |
222 | else | |
223 | tmp32 = pack_gen[my_port].crc_gen(buf, 0, ptr); | |
224 | ||
225 | ||
226 | if( pack_gen[my_port].check_option( pack_db[token].options, O_CRC_ERR) ) | |
227 | tmp32 = tmp32 ^ pack_gen[my_port].cfg_reg[CFG_CRC_MASK]; | |
228 | ||
229 | ||
230 | if(!new_crc) | |
231 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = pack_db[token].pack_crc; | |
232 | else { | |
233 | if ( (org_port==17) | (org_port==18) ) { | |
234 | if(INTER_FEDX) { | |
235 | //packets that orginated on ifedx ports cannot be looped to another ifedx, except | |
236 | // in iom tests. | |
237 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = pack_db[token].pack_crc; | |
238 | } | |
239 | else { | |
240 | //this pkt orginated on a ifedx port and is being sent out on a ext-port. | |
241 | // look at the tx_mac status word to decide whether new pkt-crc is required. | |
242 | ||
243 | tx_status = pack_db[token].mac.tx_status; | |
244 | ||
245 | if(tx_status[14]) | |
246 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = pack_db[token].pack_crc; | |
247 | else '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = tmp32; | |
248 | } | |
249 | } //end of if ( (org_port==17) | (org_port==18) ) | |
250 | else { | |
251 | if(INTER_FEDX) | |
252 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = pack_db[token].pack_crc; | |
253 | else '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = tmp32; | |
254 | } | |
255 | } | |
256 | ||
257 | if(INTER_FEDX) { | |
258 | tmp32 = pack_gen[my_port].crc_gen(buf, 0, ptr); | |
259 | if( pack_gen[my_port].check_option( pack_db[token].options, O_IF_CRC_ERR) ) | |
260 | tmp32 = tmp32 ^ pack_gen[my_port].cfg_reg[CFG_CRC_MASK]; | |
261 | ||
262 | if(new_crc) { | |
263 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = tmp32; | |
264 | pack_db[token].ifedx_crc = tmp32; | |
265 | } else | |
266 | '{ buf.val[ptr++], buf.val[ptr++], buf.val[ptr++], buf.val[ptr++] } = pack_db[token].ifedx_crc; | |
267 | } | |
268 | ||
269 | if(debug) printf("DEBUG: build_frame: (5)ptr: %0d\n",ptr); | |
270 | if(debug) printf("DEBUG: build_frame: Done.\n"); | |
271 | len = ptr; | |
272 | ||
273 | /* | |
274 | if(header_len>66) { | |
275 | printf("ERROR: build_frame: Possibly corrupted header. Header is %0d bytes long !\n",header_len); | |
276 | printf(" Input: Token: %0d, Len: %0d Hdr: %0d, NewCRC: %0d Port: %0d\n", | |
277 | token, len, header_id, new_crc,my_port); | |
278 | ||
279 | printf("----------------------------------------- \n"); | |
280 | printf("build_frame: displaying buffer: \n"); | |
281 | printf("----------------------------------------- \n"); | |
282 | ptr_to_first_pg.display_buf(buf, len, INTER_FEDX); | |
283 | } | |
284 | */ | |
285 | } | |
286 | ||
287 | task build_header(integer itoken, byte_array buf, var integer len,(integer header_id=-1),(integer new_crc=0)) { | |
288 | ||
289 | ||
290 | integer n; | |
291 | integer ptr=0; | |
292 | integer tagged = 0; | |
293 | integer my_port, org_port; | |
294 | bit [31:0] tmp32; | |
295 | integer data_len, header_len; | |
296 | integer debug = 1; | |
297 | integer token; | |
298 | integer adj_len=0; | |
299 | integer min,max; | |
300 | bit [15:0] tx_status; | |
301 | ||
302 | tmp32 = itoken; | |
303 | token = tmp32[25:0]; | |
304 | // debug = tmp32[31]; | |
305 | ||
306 | ||
307 | if(debug) | |
308 | printf("DEBUG: build_header: Started Build-Header (Input: Token: %0d, Len: %0d Hdr: %0d, NewCRC: %0d Port: %0d)\n", | |
309 | token,len,header_id,new_crc,my_port); | |
310 | ||
311 | if( assoc_index(CHECK, pack_db, token) == 0 ) { | |
312 | printf("ERROR: PG LIB: build_frame: Token (%0d) is invalid/entry could not be found in packet database.\n", | |
313 | token); | |
314 | len = 0; | |
315 | buf = null; | |
316 | return; | |
317 | } | |
318 | ||
319 | my_port = pack_db[token].org_port; | |
320 | org_port = pack_db[token].org_port; | |
321 | if(header_id != -1) my_port = header_id; | |
322 | ||
323 | ||
324 | if(INTER_FEDX) { | |
325 | buf.val[ptr++] = pack_db[token].ifedx_control[07:0]; | |
326 | buf.val[ptr++] = pack_db[token].ifedx_control[15:8]; | |
327 | if(debug) printf("DEBUG: build_frame: Building INTERFEDX packet\n"); | |
328 | } | |
329 | ||
330 | if(debug) printf("DEBUG: build_header: (1)ptr: %0d\n",ptr); | |
331 | ||
332 | ||
333 | if(header_id==-1) { | |
334 | header_len = pack_db[token].header_len[ pack_db[token].use_hdr ]; | |
335 | ||
336 | for(n=0;n< header_len ;n++) | |
337 | buf.val[ptr++] = pack_db[token].header[ pack_db[token].use_hdr ].val[n]; | |
338 | } else { | |
339 | ||
340 | #define out_use_header pack_db[token].out_header[header_id].use_header | |
341 | ||
342 | if( assoc_index(CHECK,pack_db[token].out_header,header_id) & | |
343 | assoc_index(CHECK,pack_db[token].out_header[header_id].header, out_use_header) ) { | |
344 | ||
345 | header_len = pack_db[token].out_header[header_id].header_len[ out_use_header ]; | |
346 | ||
347 | for(n=0; n < header_len ; n++) | |
348 | buf.val[ptr++] =pack_db[token].out_header[header_id].header[out_use_header].val[n]; | |
349 | } else { | |
350 | printf("ERROR: PG LIB: build_header: out header invalid. (Token:%0d, Out header id: %0d).\n", | |
351 | token,header_id); | |
352 | len = 0; | |
353 | buf = null; | |
354 | return; | |
355 | } | |
356 | } | |
357 | ||
358 | if(debug) printf("DEBUG: build_header: header_len: %0d\n",header_len); | |
359 | if(debug) printf("DEBUG: build_header: (2)ptr: %0d\n",ptr); | |
360 | ||
361 | ||
362 | if(pack_db[token].frame.data_type != DAT_FC_PAUSE) | |
363 | '{buf.val[ptr++], buf.val[ptr++]} = token; // Store token in payload | |
364 | ||
365 | /**** | |
366 | ||
367 | if(header_len>66) { | |
368 | printf("ERROR: build_header: Possibly corrupted header. Header is %0d bytes long !\n",header_len); | |
369 | printf(" Input: Token: %0d, Len: %0d Hdr: %0d, NewCRC: %0d Port: %0d\n", | |
370 | token, len, header_id, new_crc,my_port); | |
371 | ||
372 | printf("----------------------------------------- \n"); | |
373 | printf("build_header: displaying buffer: \n"); | |
374 | printf("----------------------------------------- \n"); | |
375 | ptr_to_first_pg.display_buf(buf, header_len, INTER_FEDX); | |
376 | } | |
377 | ***/ | |
378 | } | |
379 | ||
380 | ||
381 | task build_ip_segment ( integer token , var bit[7:0]pkt_data[], integer offset, integer size){ | |
382 | ||
383 | ||
384 | byte_array pkt_buf; | |
385 | integer pkt_length; | |
386 | integer j, k,arr_size ; | |
387 | ||
388 | //arr_size = (size -offset) + 1; | |
389 | arr_size = (size +offset) ; | |
390 | ||
391 | pkt_buf = new; | |
392 | ||
393 | build_frame(token, pkt_buf, pkt_length); | |
394 | // pack_gen[0].display_buf(pkt_buf, pkt_length); | |
395 | ||
396 | j = 0; | |
397 | ||
398 | for (k=offset;k<arr_size;k++){ | |
399 | pkt_data[j] = pkt_buf.val[k]; | |
400 | j++; | |
401 | } | |
402 | ||
403 | ||
404 | } | |
405 | ||
406 | ||
407 | task get_ippkt_size(integer token, var integer ippkt_length){ | |
408 | ||
409 | ippkt_length = pack_db[token].data_length; | |
410 | ||
411 | } | |
412 | ||
413 | task get_ippkthdr_size(integer token, var integer iphdr_length){ | |
414 | ||
415 | iphdr_length = pack_db[token].header_len[ pack_db[token].use_hdr ]; | |
416 | ||
417 | } | |
418 | ||
419 | task get_ippaylod_size(integer token, var integer ippayload_length){ | |
420 | ||
421 | ippayload_length = { (pack_db[token].data_length) - | |
422 | (pack_db[token].header_len[ pack_db[token].use_hdr ])}; | |
423 | } | |
424 | ||
425 | ||
426 | ||
427 | ||
428 | function integer getIpHdrSz (integer token){ | |
429 | ||
430 | ||
431 | getIpHdrSz = pack_db[token].header_len[ pack_db[token].use_hdr ]; | |
432 | ||
433 | } | |
434 | ||
435 | function integer getIpPayloadSz (integer token){ | |
436 | ||
437 | ||
438 | // getIpPayloadSz = (pack_db[token].data_length) + 4 ; | |
439 | getIpPayloadSz = { (pack_db[token].data_length) - | |
440 | (pack_db[token].header_len[ pack_db[token].use_hdr ]) - 4 }; | |
441 | ||
442 | } | |
443 | ||
444 | function integer getIpPktSz (integer token){ | |
445 | ||
446 | // getIpPktSz = pack_db[token].data_length + (pack_db[token].header_len[ pack_db[token].use_hdr ]) + 4; | |
447 | getIpPktSz = pack_db[token].data_length; | |
448 | ||
449 | } |