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13#include "h/types.h"
14#include "h/fddi.h"
15#include "h/smc.h"
16#include "h/smt_p.h"
17#include <linux/bitrev.h>
18#include <linux/kernel.h>
19
20#define KERNEL
21#include "h/smtstate.h"
22
23
24
25
26#define m_fc(mb) ((mb)->sm_data[0])
27
28#define SMT_TID_MAGIC 0x1f0a7b3c
29
30static const char *const smt_type_name[] = {
31 "SMT_00??", "SMT_INFO", "SMT_02??", "SMT_03??",
32 "SMT_04??", "SMT_05??", "SMT_06??", "SMT_07??",
33 "SMT_08??", "SMT_09??", "SMT_0A??", "SMT_0B??",
34 "SMT_0C??", "SMT_0D??", "SMT_0E??", "SMT_NSA"
35} ;
36
37static const char *const smt_class_name[] = {
38 "UNKNOWN","NIF","SIF_CONFIG","SIF_OPER","ECF","RAF","RDF",
39 "SRF","PMF_GET","PMF_SET","ESF"
40} ;
41
42#define LAST_CLASS (SMT_PMF_SET)
43
44static const struct fddi_addr SMT_Unknown = {
45 { 0,0,0x1f,0,0,0 }
46} ;
47
48
49
50
51#ifdef LITTLE_ENDIAN
52static int smt_swap_short(u_short s);
53#endif
54static int mac_index(struct s_smc *smc, int mac);
55static int phy_index(struct s_smc *smc, int phy);
56static int mac_con_resource_index(struct s_smc *smc, int mac);
57static int phy_con_resource_index(struct s_smc *smc, int phy);
58static void smt_send_rdf(struct s_smc *smc, SMbuf *rej, int fc, int reason,
59 int local);
60static void smt_send_nif(struct s_smc *smc, const struct fddi_addr *dest,
61 int fc, u_long tid, int type, int local);
62static void smt_send_ecf(struct s_smc *smc, struct fddi_addr *dest, int fc,
63 u_long tid, int type, int len);
64static void smt_echo_test(struct s_smc *smc, int dna);
65static void smt_send_sif_config(struct s_smc *smc, struct fddi_addr *dest,
66 u_long tid, int local);
67static void smt_send_sif_operation(struct s_smc *smc, struct fddi_addr *dest,
68 u_long tid, int local);
69#ifdef LITTLE_ENDIAN
70static void smt_string_swap(char *data, const char *format, int len);
71#endif
72static void smt_add_frame_len(SMbuf *mb, int len);
73static void smt_fill_una(struct s_smc *smc, struct smt_p_una *una);
74static void smt_fill_sde(struct s_smc *smc, struct smt_p_sde *sde);
75static void smt_fill_state(struct s_smc *smc, struct smt_p_state *state);
76static void smt_fill_timestamp(struct s_smc *smc, struct smt_p_timestamp *ts);
77static void smt_fill_policy(struct s_smc *smc, struct smt_p_policy *policy);
78static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency);
79static void smt_fill_neighbor(struct s_smc *smc, struct smt_p_neighbor *neighbor);
80static int smt_fill_path(struct s_smc *smc, struct smt_p_path *path);
81static void smt_fill_mac_status(struct s_smc *smc, struct smt_p_mac_status *st);
82static void smt_fill_lem(struct s_smc *smc, struct smt_p_lem *lem, int phy);
83static void smt_fill_version(struct s_smc *smc, struct smt_p_version *vers);
84static void smt_fill_fsc(struct s_smc *smc, struct smt_p_fsc *fsc);
85static void smt_fill_mac_counter(struct s_smc *smc, struct smt_p_mac_counter *mc);
86static void smt_fill_mac_fnc(struct s_smc *smc, struct smt_p_mac_fnc *fnc);
87static void smt_fill_manufacturer(struct s_smc *smc,
88 struct smp_p_manufacturer *man);
89static void smt_fill_user(struct s_smc *smc, struct smp_p_user *user);
90static void smt_fill_setcount(struct s_smc *smc, struct smt_p_setcount *setcount);
91static void smt_fill_echo(struct s_smc *smc, struct smt_p_echo *echo, u_long seed,
92 int len);
93
94static void smt_clear_una_dna(struct s_smc *smc);
95static void smt_clear_old_una_dna(struct s_smc *smc);
96#ifdef CONCENTRATOR
97static int entity_to_index(void);
98#endif
99static void update_dac(struct s_smc *smc, int report);
100static int div_ratio(u_long upper, u_long lower);
101#ifdef USE_CAN_ADDR
102static void hwm_conv_can(struct s_smc *smc, char *data, int len);
103#else
104#define hwm_conv_can(smc,data,len)
105#endif
106
107
108static inline int is_my_addr(const struct s_smc *smc,
109 const struct fddi_addr *addr)
110{
111 return(*(short *)(&addr->a[0]) ==
112 *(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[0])
113 && *(short *)(&addr->a[2]) ==
114 *(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[2])
115 && *(short *)(&addr->a[4]) ==
116 *(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[4])) ;
117}
118
119static inline int is_broadcast(const struct fddi_addr *addr)
120{
121 return *(u_short *)(&addr->a[0]) == 0xffff &&
122 *(u_short *)(&addr->a[2]) == 0xffff &&
123 *(u_short *)(&addr->a[4]) == 0xffff;
124}
125
126static inline int is_individual(const struct fddi_addr *addr)
127{
128 return !(addr->a[0] & GROUP_ADDR);
129}
130
131static inline int is_equal(const struct fddi_addr *addr1,
132 const struct fddi_addr *addr2)
133{
134 return *(u_short *)(&addr1->a[0]) == *(u_short *)(&addr2->a[0]) &&
135 *(u_short *)(&addr1->a[2]) == *(u_short *)(&addr2->a[2]) &&
136 *(u_short *)(&addr1->a[4]) == *(u_short *)(&addr2->a[4]);
137}
138
139
140
141
142static const u_short plist_nif[] = { SMT_P_UNA,SMT_P_SDE,SMT_P_STATE,0 } ;
143
144
145
146
147void smt_agent_init(struct s_smc *smc)
148{
149 int i ;
150
151
152
153
154 smc->mib.m[MAC0].fddiMACSMTAddress = smc->hw.fddi_home_addr ;
155
156
157
158
159 smc->mib.fddiSMTStationId.sid_oem[0] = 0 ;
160 smc->mib.fddiSMTStationId.sid_oem[1] = 0 ;
161 driver_get_bia(smc,&smc->mib.fddiSMTStationId.sid_node) ;
162 for (i = 0 ; i < 6 ; i ++) {
163 smc->mib.fddiSMTStationId.sid_node.a[i] =
164 bitrev8(smc->mib.fddiSMTStationId.sid_node.a[i]);
165 }
166 smc->mib.fddiSMTManufacturerData[0] =
167 smc->mib.fddiSMTStationId.sid_node.a[0] ;
168 smc->mib.fddiSMTManufacturerData[1] =
169 smc->mib.fddiSMTStationId.sid_node.a[1] ;
170 smc->mib.fddiSMTManufacturerData[2] =
171 smc->mib.fddiSMTStationId.sid_node.a[2] ;
172 smc->sm.smt_tid = 0 ;
173 smc->mib.m[MAC0].fddiMACDupAddressTest = DA_NONE ;
174 smc->mib.m[MAC0].fddiMACUNDA_Flag = FALSE ;
175#ifndef SLIM_SMT
176 smt_clear_una_dna(smc) ;
177 smt_clear_old_una_dna(smc) ;
178#endif
179 for (i = 0 ; i < SMT_MAX_TEST ; i++)
180 smc->sm.pend[i] = 0 ;
181 smc->sm.please_reconnect = 0 ;
182 smc->sm.uniq_ticks = 0 ;
183}
184
185
186
187
188
189
190
191
192
193void smt_agent_task(struct s_smc *smc)
194{
195 smt_timer_start(smc,&smc->sm.smt_timer, (u_long)1000000L,
196 EV_TOKEN(EVENT_SMT,SM_TIMER)) ;
197 DB_SMT("SMT agent task");
198}
199
200#ifndef SMT_REAL_TOKEN_CT
201void smt_emulate_token_ct(struct s_smc *smc, int mac_index)
202{
203 u_long count;
204 u_long time;
205
206
207 time = smt_get_time();
208 count = ((time - smc->sm.last_tok_time[mac_index]) *
209 100)/TICKS_PER_SECOND;
210
211
212
213
214
215
216
217 if (smc->hw.mac_ring_is_up){
218 smc->mib.m[mac_index].fddiMACToken_Ct += count;
219 }
220
221
222 smc->sm.last_tok_time[mac_index] = time;
223
224}
225#endif
226
227
228void smt_event(struct s_smc *smc, int event)
229{
230 u_long time ;
231#ifndef SMT_REAL_TOKEN_CT
232 int i ;
233#endif
234
235
236 if (smc->sm.please_reconnect) {
237 smc->sm.please_reconnect -- ;
238 if (smc->sm.please_reconnect == 0) {
239
240 queue_event(smc,EVENT_ECM,EC_CONNECT) ;
241 }
242 }
243
244 if (event == SM_FAST)
245 return ;
246
247
248
249
250
251
252
253 smt_timer_poll(smc) ;
254 smt_start_watchdog(smc) ;
255#ifndef SLIM_SMT
256#ifndef BOOT
257#ifdef ESS
258 ess_timer_poll(smc) ;
259#endif
260#endif
261#ifdef SBA
262 sba_timer_poll(smc) ;
263#endif
264
265 smt_srf_event(smc,0,0,0) ;
266
267#endif
268
269 time = smt_get_time() ;
270
271 if (time - smc->sm.smt_last_lem >= TICKS_PER_SECOND*8) {
272
273
274
275
276 struct fddi_mib_m *mib ;
277 u_long upper ;
278 u_long lower ;
279 int cond ;
280 int port;
281 struct s_phy *phy ;
282
283
284
285 sm_lem_evaluate(smc) ;
286 smc->sm.smt_last_lem = time ;
287
288
289
290
291#ifndef SLIM_SMT
292 mac_update_counter(smc) ;
293 mib = smc->mib.m ;
294 upper =
295 (mib->fddiMACLost_Ct - mib->fddiMACOld_Lost_Ct) +
296 (mib->fddiMACError_Ct - mib->fddiMACOld_Error_Ct) ;
297 lower =
298 (mib->fddiMACFrame_Ct - mib->fddiMACOld_Frame_Ct) +
299 (mib->fddiMACLost_Ct - mib->fddiMACOld_Lost_Ct) ;
300 mib->fddiMACFrameErrorRatio = div_ratio(upper,lower) ;
301
302 cond =
303 ((!mib->fddiMACFrameErrorThreshold &&
304 mib->fddiMACError_Ct != mib->fddiMACOld_Error_Ct) ||
305 (mib->fddiMACFrameErrorRatio >
306 mib->fddiMACFrameErrorThreshold)) ;
307
308 if (cond != mib->fddiMACFrameErrorFlag)
309 smt_srf_event(smc,SMT_COND_MAC_FRAME_ERROR,
310 INDEX_MAC,cond) ;
311
312 upper =
313 (mib->fddiMACNotCopied_Ct - mib->fddiMACOld_NotCopied_Ct) ;
314 lower =
315 upper +
316 (mib->fddiMACCopied_Ct - mib->fddiMACOld_Copied_Ct) ;
317 mib->fddiMACNotCopiedRatio = div_ratio(upper,lower) ;
318
319 cond =
320 ((!mib->fddiMACNotCopiedThreshold &&
321 mib->fddiMACNotCopied_Ct !=
322 mib->fddiMACOld_NotCopied_Ct)||
323 (mib->fddiMACNotCopiedRatio >
324 mib->fddiMACNotCopiedThreshold)) ;
325
326 if (cond != mib->fddiMACNotCopiedFlag)
327 smt_srf_event(smc,SMT_COND_MAC_NOT_COPIED,
328 INDEX_MAC,cond) ;
329
330
331
332
333 mib->fddiMACOld_Frame_Ct = mib->fddiMACFrame_Ct ;
334 mib->fddiMACOld_Copied_Ct = mib->fddiMACCopied_Ct ;
335 mib->fddiMACOld_Error_Ct = mib->fddiMACError_Ct ;
336 mib->fddiMACOld_Lost_Ct = mib->fddiMACLost_Ct ;
337 mib->fddiMACOld_NotCopied_Ct = mib->fddiMACNotCopied_Ct ;
338
339
340
341
342 for (port = 0; port < NUMPHYS; port ++) {
343 phy = &smc->y[port] ;
344
345 if (!phy->mib->fddiPORTHardwarePresent) {
346 continue;
347 }
348
349 cond = (phy->mib->fddiPORTEBError_Ct -
350 phy->mib->fddiPORTOldEBError_Ct > 5) ;
351
352
353
354
355 smt_srf_event(smc,SMT_COND_PORT_EB_ERROR,
356 (int) (INDEX_PORT+ phy->np) ,cond) ;
357
358
359
360
361 phy->mib->fddiPORTOldEBError_Ct =
362 phy->mib->fddiPORTEBError_Ct ;
363 }
364
365#endif
366 }
367
368#ifndef SLIM_SMT
369
370 if (time - smc->sm.smt_last_notify >= (u_long)
371 (smc->mib.fddiSMTTT_Notify * TICKS_PER_SECOND) ) {
372
373
374
375
376
377
378 if (!smc->sm.pend[SMT_TID_NIF])
379 smc->sm.pend[SMT_TID_NIF] = smt_get_tid(smc) ;
380 smt_send_nif(smc,&fddi_broadcast, FC_SMT_NSA,
381 smc->sm.pend[SMT_TID_NIF], SMT_REQUEST,0) ;
382 smc->sm.smt_last_notify = time ;
383 }
384
385
386
387
388 if (smc->sm.smt_tvu &&
389 time - smc->sm.smt_tvu > 228*TICKS_PER_SECOND) {
390 DB_SMT("SMT : UNA expired");
391 smc->sm.smt_tvu = 0 ;
392
393 if (!is_equal(&smc->mib.m[MAC0].fddiMACUpstreamNbr,
394 &SMT_Unknown)){
395
396 smc->mib.m[MAC0].fddiMACOldUpstreamNbr=
397 smc->mib.m[MAC0].fddiMACUpstreamNbr ;
398 }
399 smc->mib.m[MAC0].fddiMACUpstreamNbr = SMT_Unknown ;
400 smc->mib.m[MAC0].fddiMACUNDA_Flag = FALSE ;
401
402
403
404
405
406
407 update_dac(smc,0) ;
408 smt_srf_event(smc, SMT_EVENT_MAC_NEIGHBOR_CHANGE,
409 INDEX_MAC,0) ;
410 }
411 if (smc->sm.smt_tvd &&
412 time - smc->sm.smt_tvd > 228*TICKS_PER_SECOND) {
413 DB_SMT("SMT : DNA expired");
414 smc->sm.smt_tvd = 0 ;
415 if (!is_equal(&smc->mib.m[MAC0].fddiMACDownstreamNbr,
416 &SMT_Unknown)){
417
418 smc->mib.m[MAC0].fddiMACOldDownstreamNbr=
419 smc->mib.m[MAC0].fddiMACDownstreamNbr ;
420 }
421 smc->mib.m[MAC0].fddiMACDownstreamNbr = SMT_Unknown ;
422 smt_srf_event(smc, SMT_EVENT_MAC_NEIGHBOR_CHANGE,
423 INDEX_MAC,0) ;
424 }
425
426#endif
427
428#ifndef SMT_REAL_TOKEN_CT
429
430
431
432
433 for (i = MAC0; i < NUMMACS; i++ ){
434 if (time - smc->sm.last_tok_time[i] > 2*TICKS_PER_SECOND ){
435 smt_emulate_token_ct( smc, i );
436 }
437 }
438#endif
439
440 smt_timer_start(smc,&smc->sm.smt_timer, (u_long)1000000L,
441 EV_TOKEN(EVENT_SMT,SM_TIMER)) ;
442}
443
444static int div_ratio(u_long upper, u_long lower)
445{
446 if ((upper<<16L) < upper)
447 upper = 0xffff0000L ;
448 else
449 upper <<= 16L ;
450 if (!lower)
451 return 0;
452 return (int)(upper/lower) ;
453}
454
455#ifndef SLIM_SMT
456
457
458
459
460void smt_received_pack(struct s_smc *smc, SMbuf *mb, int fs)
461
462{
463 struct smt_header *sm ;
464 int local ;
465
466 int illegal = 0 ;
467
468 switch (m_fc(mb)) {
469 case FC_SMT_INFO :
470 case FC_SMT_LAN_LOC :
471 case FC_SMT_LOC :
472 case FC_SMT_NSA :
473 break ;
474 default :
475 smt_free_mbuf(smc,mb) ;
476 return ;
477 }
478
479 smc->mib.m[MAC0].fddiMACSMTCopied_Ct++ ;
480 sm = smtod(mb,struct smt_header *) ;
481 local = ((fs & L_INDICATOR) != 0) ;
482 hwm_conv_can(smc,(char *)sm,12) ;
483
484
485 if (is_individual(&sm->smt_dest) && !is_my_addr(smc,&sm->smt_dest)) {
486 smt_free_mbuf(smc,mb) ;
487 return ;
488 }
489#if 0
490
491 if (is_my_addr(smc,&sm->smt_source) && !local) {
492 smt_free_mbuf(smc,mb) ;
493 return ;
494 }
495#endif
496
497 smt_swap_para(sm,(int) mb->sm_len,1) ;
498 DB_SMT("SMT : received packet [%s] at 0x%p",
499 smt_type_name[m_fc(mb) & 0xf], sm);
500 DB_SMT("SMT : version %d, class %s",
501 sm->smt_version,
502 smt_class_name[sm->smt_class > LAST_CLASS ? 0 : sm->smt_class]);
503
504#ifdef SBA
505
506
507
508 if (m_fc(mb) == FC_SMT_NSA && sm->smt_class == SMT_NIF &&
509 (sm->smt_type == SMT_ANNOUNCE || sm->smt_type == SMT_REQUEST)) {
510 smc->sba.sm = sm ;
511 sba(smc,NIF) ;
512 }
513#endif
514
515
516
517
518 if ( (fs & A_INDICATOR) && m_fc(mb) == FC_SMT_NSA) {
519 DB_SMT("SMT : ignoring NSA with A-indicator set from %pM",
520 &sm->smt_source);
521 smt_free_mbuf(smc,mb) ;
522 return ;
523 }
524
525
526
527
528 if (((sm->smt_class == SMT_ECF) && (sm->smt_len > SMT_MAX_ECHO_LEN)) ||
529 ((sm->smt_class != SMT_ECF) && (sm->smt_len > SMT_MAX_INFO_LEN))) {
530 smt_free_mbuf(smc,mb) ;
531 return ;
532 }
533
534
535
536
537 switch (sm->smt_class) {
538 case SMT_NIF :
539 case SMT_SIF_CONFIG :
540 case SMT_SIF_OPER :
541 case SMT_ECF :
542 if (sm->smt_version != SMT_VID)
543 illegal = 1;
544 break ;
545 default :
546 if (sm->smt_version != SMT_VID_2)
547 illegal = 1;
548 break ;
549 }
550 if (illegal) {
551 DB_SMT("SMT : version = %d, dest = %pM",
552 sm->smt_version, &sm->smt_source);
553 smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_VERSION,local) ;
554 smt_free_mbuf(smc,mb) ;
555 return ;
556 }
557 if ((sm->smt_len > mb->sm_len - sizeof(struct smt_header)) ||
558 ((sm->smt_len & 3) && (sm->smt_class != SMT_ECF))) {
559 DB_SMT("SMT: info length error, len = %d", sm->smt_len);
560 smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_LENGTH,local) ;
561 smt_free_mbuf(smc,mb) ;
562 return ;
563 }
564 switch (sm->smt_class) {
565 case SMT_NIF :
566 if (smt_check_para(smc,sm,plist_nif)) {
567 DB_SMT("SMT: NIF with para problem, ignoring");
568 break ;
569 }
570 switch (sm->smt_type) {
571 case SMT_ANNOUNCE :
572 case SMT_REQUEST :
573 if (!(fs & C_INDICATOR) && m_fc(mb) == FC_SMT_NSA
574 && is_broadcast(&sm->smt_dest)) {
575 struct smt_p_state *st ;
576
577
578 if (!is_equal(
579 &smc->mib.m[MAC0].fddiMACUpstreamNbr,
580 &sm->smt_source)) {
581 DB_SMT("SMT : updated my UNA = %pM",
582 &sm->smt_source);
583 if (!is_equal(&smc->mib.m[MAC0].
584 fddiMACUpstreamNbr,&SMT_Unknown)){
585
586 smc->mib.m[MAC0].fddiMACOldUpstreamNbr=
587 smc->mib.m[MAC0].fddiMACUpstreamNbr ;
588 }
589
590 smc->mib.m[MAC0].fddiMACUpstreamNbr =
591 sm->smt_source ;
592 smt_srf_event(smc,
593 SMT_EVENT_MAC_NEIGHBOR_CHANGE,
594 INDEX_MAC,0) ;
595 smt_echo_test(smc,0) ;
596 }
597 smc->sm.smt_tvu = smt_get_time() ;
598 st = (struct smt_p_state *)
599 sm_to_para(smc,sm,SMT_P_STATE) ;
600 if (st) {
601 smc->mib.m[MAC0].fddiMACUNDA_Flag =
602 (st->st_dupl_addr & SMT_ST_MY_DUPA) ?
603 TRUE : FALSE ;
604 update_dac(smc,1) ;
605 }
606 }
607 if ((sm->smt_type == SMT_REQUEST) &&
608 is_individual(&sm->smt_source) &&
609 ((!(fs & A_INDICATOR) && m_fc(mb) == FC_SMT_NSA) ||
610 (m_fc(mb) != FC_SMT_NSA))) {
611 DB_SMT("SMT : replying to NIF request %pM",
612 &sm->smt_source);
613 smt_send_nif(smc,&sm->smt_source,
614 FC_SMT_INFO,
615 sm->smt_tid,
616 SMT_REPLY,local) ;
617 }
618 break ;
619 case SMT_REPLY :
620 DB_SMT("SMT : received NIF response from %pM",
621 &sm->smt_source);
622 if (fs & A_INDICATOR) {
623 smc->sm.pend[SMT_TID_NIF] = 0 ;
624 DB_SMT("SMT : duplicate address");
625 smc->mib.m[MAC0].fddiMACDupAddressTest =
626 DA_FAILED ;
627 smc->r.dup_addr_test = DA_FAILED ;
628 queue_event(smc,EVENT_RMT,RM_DUP_ADDR) ;
629 smc->mib.m[MAC0].fddiMACDA_Flag = TRUE ;
630 update_dac(smc,1) ;
631 break ;
632 }
633 if (sm->smt_tid == smc->sm.pend[SMT_TID_NIF]) {
634 smc->sm.pend[SMT_TID_NIF] = 0 ;
635
636 if (!is_equal(
637 &smc->mib.m[MAC0].fddiMACDownstreamNbr,
638 &sm->smt_source)) {
639 DB_SMT("SMT : updated my DNA");
640 if (!is_equal(&smc->mib.m[MAC0].
641 fddiMACDownstreamNbr, &SMT_Unknown)){
642
643 smc->mib.m[MAC0].fddiMACOldDownstreamNbr =
644 smc->mib.m[MAC0].fddiMACDownstreamNbr ;
645 }
646
647 smc->mib.m[MAC0].fddiMACDownstreamNbr =
648 sm->smt_source ;
649 smt_srf_event(smc,
650 SMT_EVENT_MAC_NEIGHBOR_CHANGE,
651 INDEX_MAC,0) ;
652 smt_echo_test(smc,1) ;
653 }
654 smc->mib.m[MAC0].fddiMACDA_Flag = FALSE ;
655 update_dac(smc,1) ;
656 smc->sm.smt_tvd = smt_get_time() ;
657 smc->mib.m[MAC0].fddiMACDupAddressTest =
658 DA_PASSED ;
659 if (smc->r.dup_addr_test != DA_PASSED) {
660 smc->r.dup_addr_test = DA_PASSED ;
661 queue_event(smc,EVENT_RMT,RM_DUP_ADDR) ;
662 }
663 }
664 else if (sm->smt_tid ==
665 smc->sm.pend[SMT_TID_NIF_TEST]) {
666 DB_SMT("SMT : NIF test TID ok");
667 }
668 else {
669 DB_SMT("SMT : expected TID %lx, got %x",
670 smc->sm.pend[SMT_TID_NIF], sm->smt_tid);
671 }
672 break ;
673 default :
674 illegal = 2 ;
675 break ;
676 }
677 break ;
678 case SMT_SIF_CONFIG :
679 if (sm->smt_type != SMT_REQUEST)
680 break ;
681 DB_SMT("SMT : replying to SIF Config request from %pM",
682 &sm->smt_source);
683 smt_send_sif_config(smc,&sm->smt_source,sm->smt_tid,local) ;
684 break ;
685 case SMT_SIF_OPER :
686 if (sm->smt_type != SMT_REQUEST)
687 break ;
688 DB_SMT("SMT : replying to SIF Operation request from %pM",
689 &sm->smt_source);
690 smt_send_sif_operation(smc,&sm->smt_source,sm->smt_tid,local) ;
691 break ;
692 case SMT_ECF :
693 switch (sm->smt_type) {
694 case SMT_REPLY :
695 smc->mib.priv.fddiPRIVECF_Reply_Rx++ ;
696 DB_SMT("SMT: received ECF reply from %pM",
697 &sm->smt_source);
698 if (sm_to_para(smc,sm,SMT_P_ECHODATA) == NULL) {
699 DB_SMT("SMT: ECHODATA missing");
700 break ;
701 }
702 if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF]) {
703 DB_SMT("SMT : ECF test TID ok");
704 }
705 else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_UNA]) {
706 DB_SMT("SMT : ECF test UNA ok");
707 }
708 else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_DNA]) {
709 DB_SMT("SMT : ECF test DNA ok");
710 }
711 else {
712 DB_SMT("SMT : expected TID %lx, got %x",
713 smc->sm.pend[SMT_TID_ECF],
714 sm->smt_tid);
715 }
716 break ;
717 case SMT_REQUEST :
718 smc->mib.priv.fddiPRIVECF_Req_Rx++ ;
719 {
720 if (sm->smt_len && !sm_to_para(smc,sm,SMT_P_ECHODATA)) {
721 DB_SMT("SMT: ECF with para problem,sending RDF");
722 smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_LENGTH,
723 local) ;
724 break ;
725 }
726 DB_SMT("SMT - sending ECF reply to %pM",
727 &sm->smt_source);
728
729
730 sm->smt_dest = sm->smt_source ;
731 sm->smt_type = SMT_REPLY ;
732 dump_smt(smc,sm,"ECF REPLY") ;
733 smc->mib.priv.fddiPRIVECF_Reply_Tx++ ;
734 smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
735 return ;
736 }
737 default :
738 illegal = 1 ;
739 break ;
740 }
741 break ;
742#ifndef BOOT
743 case SMT_RAF :
744#ifdef ESS
745 DB_ESSN(2, "ESS: RAF frame received");
746 fs = ess_raf_received_pack(smc,mb,sm,fs) ;
747#endif
748
749#ifdef SBA
750 DB_SBAN(2,"SBA: RAF frame received\n",0,0) ;
751 sba_raf_received_pack(smc,sm,fs) ;
752#endif
753 break ;
754 case SMT_RDF :
755 smc->mib.priv.fddiPRIVRDF_Rx++ ;
756 break ;
757 case SMT_ESF :
758 if (sm->smt_type == SMT_REQUEST) {
759 DB_SMT("SMT - received ESF, sending RDF");
760 smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_CLASS,local) ;
761 }
762 break ;
763 case SMT_PMF_GET :
764 case SMT_PMF_SET :
765 if (sm->smt_type != SMT_REQUEST)
766 break ;
767
768 if (sm->smt_class == SMT_PMF_GET)
769 smc->mib.priv.fddiPRIVPMF_Get_Rx++ ;
770 else
771 smc->mib.priv.fddiPRIVPMF_Set_Rx++ ;
772
773
774
775 if ((sm->smt_class == SMT_PMF_SET) &&
776 !is_individual(&sm->smt_dest)) {
777 DB_SMT("SMT: ignoring PMF-SET with I/G set");
778 break ;
779 }
780 smt_pmf_received_pack(smc,mb, local) ;
781 break ;
782 case SMT_SRF :
783 dump_smt(smc,sm,"SRF received") ;
784 break ;
785 default :
786 if (sm->smt_type != SMT_REQUEST)
787 break ;
788
789
790
791
792
793 DB_SMT("SMT : class = %d, send RDF to %pM",
794 sm->smt_class, &sm->smt_source);
795
796 smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_CLASS,local) ;
797 break ;
798#endif
799 }
800 if (illegal) {
801 DB_SMT("SMT: discarding invalid frame, reason = %d", illegal);
802 }
803 smt_free_mbuf(smc,mb) ;
804}
805
806static void update_dac(struct s_smc *smc, int report)
807{
808 int cond ;
809
810 cond = ( smc->mib.m[MAC0].fddiMACUNDA_Flag |
811 smc->mib.m[MAC0].fddiMACDA_Flag) != 0 ;
812 if (report && (cond != smc->mib.m[MAC0].fddiMACDuplicateAddressCond))
813 smt_srf_event(smc, SMT_COND_MAC_DUP_ADDR,INDEX_MAC,cond) ;
814 else
815 smc->mib.m[MAC0].fddiMACDuplicateAddressCond = cond ;
816}
817
818
819
820
821
822
823
824void smt_send_frame(struct s_smc *smc, SMbuf *mb, int fc, int local)
825
826
827{
828 struct smt_header *sm ;
829
830 if (!smc->r.sm_ma_avail && !local) {
831 smt_free_mbuf(smc,mb) ;
832 return ;
833 }
834 sm = smtod(mb,struct smt_header *) ;
835 sm->smt_source = smc->mib.m[MAC0].fddiMACSMTAddress ;
836 sm->smt_sid = smc->mib.fddiSMTStationId ;
837
838 smt_swap_para(sm,(int) mb->sm_len,0) ;
839 hwm_conv_can(smc,(char *)sm,12) ;
840 smc->mib.m[MAC0].fddiMACSMTTransmit_Ct++ ;
841 smt_send_mbuf(smc,mb,local ? FC_SMT_LOC : fc) ;
842}
843
844
845
846
847static void smt_send_rdf(struct s_smc *smc, SMbuf *rej, int fc, int reason,
848 int local)
849
850
851
852{
853 SMbuf *mb ;
854 struct smt_header *sm ;
855 struct smt_rdf *rdf ;
856 int len ;
857 int frame_len ;
858
859 sm = smtod(rej,struct smt_header *) ;
860 if (sm->smt_type != SMT_REQUEST)
861 return ;
862
863 DB_SMT("SMT: sending RDF to %pM,reason = 0x%x",
864 &sm->smt_source, reason);
865
866
867
868
869
870
871 frame_len = rej->sm_len ;
872
873 if (!(mb=smt_build_frame(smc,SMT_RDF,SMT_REPLY,sizeof(struct smt_rdf))))
874 return ;
875 rdf = smtod(mb,struct smt_rdf *) ;
876 rdf->smt.smt_tid = sm->smt_tid ;
877 rdf->smt.smt_dest = sm->smt_source ;
878
879
880 rdf->reason.para.p_type = SMT_P_REASON ;
881 rdf->reason.para.p_len = sizeof(struct smt_p_reason) - PARA_LEN ;
882 rdf->reason.rdf_reason = reason ;
883
884
885 rdf->version.para.p_type = SMT_P_VERSION ;
886 rdf->version.para.p_len = sizeof(struct smt_p_version) - PARA_LEN ;
887 rdf->version.v_pad = 0 ;
888 rdf->version.v_n = 1 ;
889 rdf->version.v_index = 1 ;
890 rdf->version.v_version[0] = SMT_VID_2 ;
891 rdf->version.v_pad2 = 0 ;
892
893
894 if ((unsigned int) frame_len <= SMT_MAX_INFO_LEN - sizeof(*rdf) +
895 2*sizeof(struct smt_header))
896 len = frame_len ;
897 else
898 len = SMT_MAX_INFO_LEN - sizeof(*rdf) +
899 2*sizeof(struct smt_header) ;
900
901 len &= ~3 ;
902 rdf->refused.para.p_type = SMT_P_REFUSED ;
903
904 rdf->refused.para.p_len = len + 4 ;
905 rdf->refused.ref_fc = fc ;
906
907
908 smt_swap_para(sm,frame_len,0) ;
909
910 memcpy((char *) &rdf->refused.ref_header,(char *) sm,len) ;
911
912 len -= sizeof(struct smt_header) ;
913 mb->sm_len += len ;
914 rdf->smt.smt_len += len ;
915
916 dump_smt(smc,(struct smt_header *)rdf,"RDF") ;
917 smc->mib.priv.fddiPRIVRDF_Tx++ ;
918 smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
919}
920
921
922
923
924static void smt_send_nif(struct s_smc *smc, const struct fddi_addr *dest,
925 int fc, u_long tid, int type, int local)
926
927
928
929
930{
931 struct smt_nif *nif ;
932 SMbuf *mb ;
933
934 if (!(mb = smt_build_frame(smc,SMT_NIF,type,sizeof(struct smt_nif))))
935 return ;
936 nif = smtod(mb, struct smt_nif *) ;
937 smt_fill_una(smc,&nif->una) ;
938 smt_fill_sde(smc,&nif->sde) ;
939 smt_fill_state(smc,&nif->state) ;
940#ifdef SMT6_10
941 smt_fill_fsc(smc,&nif->fsc) ;
942#endif
943 nif->smt.smt_dest = *dest ;
944 nif->smt.smt_tid = tid ;
945 dump_smt(smc,(struct smt_header *)nif,"NIF") ;
946 smt_send_frame(smc,mb,fc,local) ;
947}
948
949#ifdef DEBUG
950
951
952
953static void smt_send_nif_request(struct s_smc *smc, struct fddi_addr *dest)
954{
955 smc->sm.pend[SMT_TID_NIF_TEST] = smt_get_tid(smc) ;
956 smt_send_nif(smc,dest, FC_SMT_INFO, smc->sm.pend[SMT_TID_NIF_TEST],
957 SMT_REQUEST,0) ;
958}
959
960
961
962
963static void smt_send_ecf_request(struct s_smc *smc, struct fddi_addr *dest,
964 int len)
965{
966 smc->sm.pend[SMT_TID_ECF] = smt_get_tid(smc) ;
967 smt_send_ecf(smc,dest, FC_SMT_INFO, smc->sm.pend[SMT_TID_ECF],
968 SMT_REQUEST,len) ;
969}
970#endif
971
972
973
974
975static void smt_echo_test(struct s_smc *smc, int dna)
976{
977 u_long tid ;
978
979 smc->sm.pend[dna ? SMT_TID_ECF_DNA : SMT_TID_ECF_UNA] =
980 tid = smt_get_tid(smc) ;
981 smt_send_ecf(smc, dna ?
982 &smc->mib.m[MAC0].fddiMACDownstreamNbr :
983 &smc->mib.m[MAC0].fddiMACUpstreamNbr,
984 FC_SMT_INFO,tid, SMT_REQUEST, (SMT_TEST_ECHO_LEN & ~3)-8) ;
985}
986
987
988
989
990static void smt_send_ecf(struct s_smc *smc, struct fddi_addr *dest, int fc,
991 u_long tid, int type, int len)
992
993
994
995
996
997{
998 struct smt_ecf *ecf ;
999 SMbuf *mb ;
1000
1001 if (!(mb = smt_build_frame(smc,SMT_ECF,type,SMT_ECF_LEN + len)))
1002 return ;
1003 ecf = smtod(mb, struct smt_ecf *) ;
1004
1005 smt_fill_echo(smc,&ecf->ec_echo,tid,len) ;
1006 ecf->smt.smt_dest = *dest ;
1007 ecf->smt.smt_tid = tid ;
1008 smc->mib.priv.fddiPRIVECF_Req_Tx++ ;
1009 smt_send_frame(smc,mb,fc,0) ;
1010}
1011
1012
1013
1014
1015
1016static void smt_send_sif_config(struct s_smc *smc, struct fddi_addr *dest,
1017 u_long tid, int local)
1018
1019
1020{
1021 struct smt_sif_config *sif ;
1022 SMbuf *mb ;
1023 int len ;
1024 if (!(mb = smt_build_frame(smc,SMT_SIF_CONFIG,SMT_REPLY,
1025 SIZEOF_SMT_SIF_CONFIG)))
1026 return ;
1027
1028 sif = smtod(mb, struct smt_sif_config *) ;
1029 smt_fill_timestamp(smc,&sif->ts) ;
1030 smt_fill_sde(smc,&sif->sde) ;
1031 smt_fill_version(smc,&sif->version) ;
1032 smt_fill_state(smc,&sif->state) ;
1033 smt_fill_policy(smc,&sif->policy) ;
1034 smt_fill_latency(smc,&sif->latency);
1035 smt_fill_neighbor(smc,&sif->neighbor);
1036 smt_fill_setcount(smc,&sif->setcount) ;
1037 len = smt_fill_path(smc,&sif->path);
1038 sif->smt.smt_dest = *dest ;
1039 sif->smt.smt_tid = tid ;
1040 smt_add_frame_len(mb,len) ;
1041 dump_smt(smc,(struct smt_header *)sif,"SIF Configuration Reply") ;
1042 smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
1043}
1044
1045
1046
1047
1048
1049static void smt_send_sif_operation(struct s_smc *smc, struct fddi_addr *dest,
1050 u_long tid, int local)
1051
1052
1053{
1054 struct smt_sif_operation *sif ;
1055 SMbuf *mb ;
1056 int ports ;
1057 int i ;
1058
1059 ports = NUMPHYS ;
1060#ifndef CONCENTRATOR
1061 if (smc->s.sas == SMT_SAS)
1062 ports = 1 ;
1063#endif
1064
1065 if (!(mb = smt_build_frame(smc,SMT_SIF_OPER,SMT_REPLY,
1066 struct_size(sif, lem, ports))))
1067 return ;
1068 sif = smtod(mb, typeof(sif));
1069 smt_fill_timestamp(smc,&sif->ts) ;
1070 smt_fill_mac_status(smc,&sif->status) ;
1071 smt_fill_mac_counter(smc,&sif->mc) ;
1072 smt_fill_mac_fnc(smc,&sif->fnc) ;
1073 smt_fill_manufacturer(smc,&sif->man) ;
1074 smt_fill_user(smc,&sif->user) ;
1075 smt_fill_setcount(smc,&sif->setcount) ;
1076
1077
1078
1079 if (ports == 1) {
1080 smt_fill_lem(smc,sif->lem,PS) ;
1081 }
1082 else {
1083 for (i = 0 ; i < ports ; i++) {
1084 smt_fill_lem(smc,&sif->lem[i],i) ;
1085 }
1086 }
1087
1088 sif->smt.smt_dest = *dest ;
1089 sif->smt.smt_tid = tid ;
1090 dump_smt(smc,(struct smt_header *)sif,"SIF Operation Reply") ;
1091 smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
1092}
1093
1094
1095
1096
1097SMbuf *smt_build_frame(struct s_smc *smc, int class, int type,
1098 int length)
1099{
1100 SMbuf *mb ;
1101 struct smt_header *smt ;
1102
1103#if 0
1104 if (!smc->r.sm_ma_avail) {
1105 return 0;
1106 }
1107#endif
1108 if (!(mb = smt_get_mbuf(smc)))
1109 return mb;
1110
1111 mb->sm_len = length ;
1112 smt = smtod(mb, struct smt_header *) ;
1113 smt->smt_dest = fddi_broadcast ;
1114 smt->smt_class = class ;
1115 smt->smt_type = type ;
1116 switch (class) {
1117 case SMT_NIF :
1118 case SMT_SIF_CONFIG :
1119 case SMT_SIF_OPER :
1120 case SMT_ECF :
1121 smt->smt_version = SMT_VID ;
1122 break ;
1123 default :
1124 smt->smt_version = SMT_VID_2 ;
1125 break ;
1126 }
1127 smt->smt_tid = smt_get_tid(smc) ;
1128 smt->smt_pad = 0 ;
1129 smt->smt_len = length - sizeof(struct smt_header) ;
1130 return mb;
1131}
1132
1133static void smt_add_frame_len(SMbuf *mb, int len)
1134{
1135 struct smt_header *smt ;
1136
1137 smt = smtod(mb, struct smt_header *) ;
1138 smt->smt_len += len ;
1139 mb->sm_len += len ;
1140}
1141
1142
1143
1144
1145
1146
1147static void smt_fill_una(struct s_smc *smc, struct smt_p_una *una)
1148{
1149 SMTSETPARA(una,SMT_P_UNA) ;
1150 una->una_pad = 0 ;
1151 una->una_node = smc->mib.m[MAC0].fddiMACUpstreamNbr ;
1152}
1153
1154
1155
1156
1157static void smt_fill_sde(struct s_smc *smc, struct smt_p_sde *sde)
1158{
1159 SMTSETPARA(sde,SMT_P_SDE) ;
1160 sde->sde_non_master = smc->mib.fddiSMTNonMaster_Ct ;
1161 sde->sde_master = smc->mib.fddiSMTMaster_Ct ;
1162 sde->sde_mac_count = NUMMACS ;
1163#ifdef CONCENTRATOR
1164 sde->sde_type = SMT_SDE_CONCENTRATOR ;
1165#else
1166 sde->sde_type = SMT_SDE_STATION ;
1167#endif
1168}
1169
1170
1171
1172
1173static void smt_fill_state(struct s_smc *smc, struct smt_p_state *state)
1174{
1175 int top ;
1176 int twist ;
1177
1178 SMTSETPARA(state,SMT_P_STATE) ;
1179 state->st_pad = 0 ;
1180
1181
1182 top = 0 ;
1183 if (smc->mib.fddiSMTPeerWrapFlag) {
1184 top |= SMT_ST_WRAPPED ;
1185 }
1186#ifdef CONCENTRATOR
1187 if (cfm_status_unattached(smc)) {
1188 top |= SMT_ST_UNATTACHED ;
1189 }
1190#endif
1191 if ((twist = pcm_status_twisted(smc)) & 1) {
1192 top |= SMT_ST_TWISTED_A ;
1193 }
1194 if (twist & 2) {
1195 top |= SMT_ST_TWISTED_B ;
1196 }
1197#ifdef OPT_SRF
1198 top |= SMT_ST_SRF ;
1199#endif
1200 if (pcm_rooted_station(smc))
1201 top |= SMT_ST_ROOTED_S ;
1202 if (smc->mib.a[0].fddiPATHSbaPayload != 0)
1203 top |= SMT_ST_SYNC_SERVICE ;
1204 state->st_topology = top ;
1205 state->st_dupl_addr =
1206 ((smc->mib.m[MAC0].fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0 ) |
1207 (smc->mib.m[MAC0].fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0)) ;
1208}
1209
1210
1211
1212
1213static void smt_fill_timestamp(struct s_smc *smc, struct smt_p_timestamp *ts)
1214{
1215
1216 SMTSETPARA(ts,SMT_P_TIMESTAMP) ;
1217 smt_set_timestamp(smc,ts->ts_time) ;
1218}
1219
1220void smt_set_timestamp(struct s_smc *smc, u_char *p)
1221{
1222 u_long time ;
1223 u_long utime ;
1224
1225
1226
1227
1228
1229
1230 utime = smt_get_time() ;
1231 time = utime * 100 ;
1232 time /= TICKS_PER_SECOND ;
1233 p[0] = 0 ;
1234 p[1] = (u_char)((time>>(8+8+8+8-1)) & 1) ;
1235 p[2] = (u_char)(time>>(8+8+8-1)) ;
1236 p[3] = (u_char)(time>>(8+8-1)) ;
1237 p[4] = (u_char)(time>>(8-1)) ;
1238 p[5] = (u_char)(time<<1) ;
1239 p[6] = (u_char)(smc->sm.uniq_ticks>>8) ;
1240 p[7] = (u_char)smc->sm.uniq_ticks ;
1241
1242
1243
1244 if (utime != smc->sm.uniq_time) {
1245 smc->sm.uniq_ticks = 0 ;
1246 }
1247 smc->sm.uniq_ticks++ ;
1248 smc->sm.uniq_time = utime ;
1249}
1250
1251
1252
1253
1254static void smt_fill_policy(struct s_smc *smc, struct smt_p_policy *policy)
1255{
1256 int i ;
1257 const u_char *map ;
1258 u_short in ;
1259 u_short out ;
1260
1261
1262
1263
1264
1265 static const u_char ansi_weirdness[16] = {
1266 0,7,5,3,8,1,6,4,9,10,2,11,12,13,14,15
1267 } ;
1268 SMTSETPARA(policy,SMT_P_POLICY) ;
1269
1270 out = 0 ;
1271 in = smc->mib.fddiSMTConnectionPolicy ;
1272 for (i = 0, map = ansi_weirdness ; i < 16 ; i++) {
1273 if (in & 1)
1274 out |= (1<<*map) ;
1275 in >>= 1 ;
1276 map++ ;
1277 }
1278 policy->pl_config = smc->mib.fddiSMTConfigPolicy ;
1279 policy->pl_connect = out ;
1280}
1281
1282
1283
1284
1285static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency)
1286{
1287 SMTSETPARA(latency,SMT_P_LATENCY) ;
1288
1289 latency->lt_phyout_idx1 = phy_index(smc,0) ;
1290 latency->lt_latency1 = 10 ;
1291
1292
1293
1294
1295 if (smc->s.sas == SMT_DAS) {
1296 latency->lt_phyout_idx2 = phy_index(smc,1) ;
1297 latency->lt_latency2 = 10 ;
1298 }
1299 else {
1300 latency->lt_phyout_idx2 = 0 ;
1301 latency->lt_latency2 = 0 ;
1302 }
1303}
1304
1305
1306
1307
1308static void smt_fill_neighbor(struct s_smc *smc, struct smt_p_neighbor *neighbor)
1309{
1310 SMTSETPARA(neighbor,SMT_P_NEIGHBORS) ;
1311
1312 neighbor->nb_mib_index = INDEX_MAC ;
1313 neighbor->nb_mac_index = mac_index(smc,1) ;
1314 neighbor->nb_una = smc->mib.m[MAC0].fddiMACUpstreamNbr ;
1315 neighbor->nb_dna = smc->mib.m[MAC0].fddiMACDownstreamNbr ;
1316}
1317
1318
1319
1320
1321#ifdef CONCENTRATOR
1322#define ALLPHYS NUMPHYS
1323#else
1324#define ALLPHYS ((smc->s.sas == SMT_SAS) ? 1 : 2)
1325#endif
1326
1327static int smt_fill_path(struct s_smc *smc, struct smt_p_path *path)
1328{
1329 SK_LOC_DECL(int,type) ;
1330 SK_LOC_DECL(int,state) ;
1331 SK_LOC_DECL(int,remote) ;
1332 SK_LOC_DECL(int,mac) ;
1333 int len ;
1334 int p ;
1335 int physp ;
1336 struct smt_phy_rec *phy ;
1337 struct smt_mac_rec *pd_mac ;
1338
1339 len = PARA_LEN +
1340 sizeof(struct smt_mac_rec) * NUMMACS +
1341 sizeof(struct smt_phy_rec) * ALLPHYS ;
1342 path->para.p_type = SMT_P_PATH ;
1343 path->para.p_len = len - PARA_LEN ;
1344
1345
1346 for (p = 0,phy = path->pd_phy ; p < ALLPHYS ; p++, phy++) {
1347 physp = p ;
1348#ifndef CONCENTRATOR
1349 if (smc->s.sas == SMT_SAS)
1350 physp = PS ;
1351#endif
1352 pcm_status_state(smc,physp,&type,&state,&remote,&mac) ;
1353#ifdef LITTLE_ENDIAN
1354 phy->phy_mib_index = smt_swap_short((u_short)p+INDEX_PORT) ;
1355#else
1356 phy->phy_mib_index = p+INDEX_PORT ;
1357#endif
1358 phy->phy_type = type ;
1359 phy->phy_connect_state = state ;
1360 phy->phy_remote_type = remote ;
1361 phy->phy_remote_mac = mac ;
1362 phy->phy_resource_idx = phy_con_resource_index(smc,p) ;
1363 }
1364
1365
1366 pd_mac = (struct smt_mac_rec *) phy ;
1367 pd_mac->mac_addr = smc->mib.m[MAC0].fddiMACSMTAddress ;
1368 pd_mac->mac_resource_idx = mac_con_resource_index(smc,1) ;
1369 return len;
1370}
1371
1372
1373
1374
1375static void smt_fill_mac_status(struct s_smc *smc, struct smt_p_mac_status *st)
1376{
1377 SMTSETPARA(st,SMT_P_MAC_STATUS) ;
1378
1379 st->st_mib_index = INDEX_MAC ;
1380 st->st_mac_index = mac_index(smc,1) ;
1381
1382 mac_update_counter(smc) ;
1383
1384
1385
1386
1387 st->st_t_req = smc->mib.m[MAC0].fddiMACT_Req ;
1388 st->st_t_neg = smc->mib.m[MAC0].fddiMACT_Neg ;
1389 st->st_t_max = smc->mib.m[MAC0].fddiMACT_Max ;
1390 st->st_tvx_value = smc->mib.m[MAC0].fddiMACTvxValue ;
1391 st->st_t_min = smc->mib.m[MAC0].fddiMACT_Min ;
1392
1393 st->st_sba = smc->mib.a[PATH0].fddiPATHSbaPayload ;
1394 st->st_frame_ct = smc->mib.m[MAC0].fddiMACFrame_Ct ;
1395 st->st_error_ct = smc->mib.m[MAC0].fddiMACError_Ct ;
1396 st->st_lost_ct = smc->mib.m[MAC0].fddiMACLost_Ct ;
1397}
1398
1399
1400
1401
1402static void smt_fill_lem(struct s_smc *smc, struct smt_p_lem *lem, int phy)
1403{
1404 struct fddi_mib_p *mib ;
1405
1406 mib = smc->y[phy].mib ;
1407
1408 SMTSETPARA(lem,SMT_P_LEM) ;
1409 lem->lem_mib_index = phy+INDEX_PORT ;
1410 lem->lem_phy_index = phy_index(smc,phy) ;
1411 lem->lem_pad2 = 0 ;
1412 lem->lem_cutoff = mib->fddiPORTLer_Cutoff ;
1413 lem->lem_alarm = mib->fddiPORTLer_Alarm ;
1414
1415 lem->lem_estimate = mib->fddiPORTLer_Estimate ;
1416
1417 lem->lem_reject_ct = mib->fddiPORTLem_Reject_Ct ;
1418 lem->lem_ct = mib->fddiPORTLem_Ct ;
1419}
1420
1421
1422
1423
1424static void smt_fill_version(struct s_smc *smc, struct smt_p_version *vers)
1425{
1426 SK_UNUSED(smc) ;
1427 SMTSETPARA(vers,SMT_P_VERSION) ;
1428 vers->v_pad = 0 ;
1429 vers->v_n = 1 ;
1430 vers->v_index = 1 ;
1431 vers->v_version[0] = SMT_VID_2 ;
1432 vers->v_pad2 = 0 ;
1433}
1434
1435#ifdef SMT6_10
1436
1437
1438
1439
1440
1441
1442
1443static void smt_fill_fsc(struct s_smc *smc, struct smt_p_fsc *fsc)
1444{
1445 SK_UNUSED(smc) ;
1446 SMTSETPARA(fsc,SMT_P_FSC) ;
1447 fsc->fsc_pad0 = 0 ;
1448 fsc->fsc_mac_index = INDEX_MAC ;
1449
1450
1451 fsc->fsc_pad1 = 0 ;
1452 fsc->fsc_value = FSC_TYPE0 ;
1453#ifdef LITTLE_ENDIAN
1454 fsc->fsc_mac_index = smt_swap_short(INDEX_MAC) ;
1455 fsc->fsc_value = smt_swap_short(FSC_TYPE0) ;
1456#endif
1457}
1458#endif
1459
1460
1461
1462
1463static void smt_fill_mac_counter(struct s_smc *smc, struct smt_p_mac_counter *mc)
1464{
1465 SMTSETPARA(mc,SMT_P_MAC_COUNTER) ;
1466 mc->mc_mib_index = INDEX_MAC ;
1467 mc->mc_index = mac_index(smc,1) ;
1468 mc->mc_receive_ct = smc->mib.m[MAC0].fddiMACCopied_Ct ;
1469 mc->mc_transmit_ct = smc->mib.m[MAC0].fddiMACTransmit_Ct ;
1470}
1471
1472
1473
1474
1475static void smt_fill_mac_fnc(struct s_smc *smc, struct smt_p_mac_fnc *fnc)
1476{
1477 SMTSETPARA(fnc,SMT_P_MAC_FNC) ;
1478 fnc->nc_mib_index = INDEX_MAC ;
1479 fnc->nc_index = mac_index(smc,1) ;
1480 fnc->nc_counter = smc->mib.m[MAC0].fddiMACNotCopied_Ct ;
1481}
1482
1483
1484
1485
1486
1487static void smt_fill_manufacturer(struct s_smc *smc,
1488 struct smp_p_manufacturer *man)
1489{
1490 SMTSETPARA(man,SMT_P_MANUFACTURER) ;
1491 memcpy((char *) man->mf_data,
1492 (char *) smc->mib.fddiSMTManufacturerData,
1493 sizeof(man->mf_data)) ;
1494}
1495
1496
1497
1498
1499static void smt_fill_user(struct s_smc *smc, struct smp_p_user *user)
1500{
1501 SMTSETPARA(user,SMT_P_USER) ;
1502 memcpy((char *) user->us_data,
1503 (char *) smc->mib.fddiSMTUserData,
1504 sizeof(user->us_data)) ;
1505}
1506
1507
1508
1509
1510static void smt_fill_setcount(struct s_smc *smc, struct smt_p_setcount *setcount)
1511{
1512 SK_UNUSED(smc) ;
1513 SMTSETPARA(setcount,SMT_P_SETCOUNT) ;
1514 setcount->count = smc->mib.fddiSMTSetCount.count ;
1515 memcpy((char *)setcount->timestamp,
1516 (char *)smc->mib.fddiSMTSetCount.timestamp,8) ;
1517}
1518
1519
1520
1521
1522static void smt_fill_echo(struct s_smc *smc, struct smt_p_echo *echo, u_long seed,
1523 int len)
1524{
1525 u_char *p ;
1526
1527 SK_UNUSED(smc) ;
1528 SMTSETPARA(echo,SMT_P_ECHODATA) ;
1529 echo->para.p_len = len ;
1530 for (p = echo->ec_data ; len ; len--) {
1531 *p++ = (u_char) seed ;
1532 seed += 13 ;
1533 }
1534}
1535
1536
1537
1538
1539
1540static void smt_clear_una_dna(struct s_smc *smc)
1541{
1542 smc->mib.m[MAC0].fddiMACUpstreamNbr = SMT_Unknown ;
1543 smc->mib.m[MAC0].fddiMACDownstreamNbr = SMT_Unknown ;
1544}
1545
1546static void smt_clear_old_una_dna(struct s_smc *smc)
1547{
1548 smc->mib.m[MAC0].fddiMACOldUpstreamNbr = SMT_Unknown ;
1549 smc->mib.m[MAC0].fddiMACOldDownstreamNbr = SMT_Unknown ;
1550}
1551
1552u_long smt_get_tid(struct s_smc *smc)
1553{
1554 u_long tid ;
1555 while ((tid = ++(smc->sm.smt_tid) ^ SMT_TID_MAGIC) == 0)
1556 ;
1557 return tid & 0x3fffffffL;
1558}
1559
1560#ifdef LITTLE_ENDIAN
1561
1562
1563
1564static const struct smt_pdef {
1565 int ptype ;
1566 int plen ;
1567 const char *pswap ;
1568} smt_pdef[] = {
1569 { SMT_P_UNA, sizeof(struct smt_p_una) ,
1570 SWAP_SMT_P_UNA } ,
1571 { SMT_P_SDE, sizeof(struct smt_p_sde) ,
1572 SWAP_SMT_P_SDE } ,
1573 { SMT_P_STATE, sizeof(struct smt_p_state) ,
1574 SWAP_SMT_P_STATE } ,
1575 { SMT_P_TIMESTAMP,sizeof(struct smt_p_timestamp) ,
1576 SWAP_SMT_P_TIMESTAMP } ,
1577 { SMT_P_POLICY, sizeof(struct smt_p_policy) ,
1578 SWAP_SMT_P_POLICY } ,
1579 { SMT_P_LATENCY, sizeof(struct smt_p_latency) ,
1580 SWAP_SMT_P_LATENCY } ,
1581 { SMT_P_NEIGHBORS,sizeof(struct smt_p_neighbor) ,
1582 SWAP_SMT_P_NEIGHBORS } ,
1583 { SMT_P_PATH, sizeof(struct smt_p_path) ,
1584 SWAP_SMT_P_PATH } ,
1585 { SMT_P_MAC_STATUS,sizeof(struct smt_p_mac_status) ,
1586 SWAP_SMT_P_MAC_STATUS } ,
1587 { SMT_P_LEM, sizeof(struct smt_p_lem) ,
1588 SWAP_SMT_P_LEM } ,
1589 { SMT_P_MAC_COUNTER,sizeof(struct smt_p_mac_counter) ,
1590 SWAP_SMT_P_MAC_COUNTER } ,
1591 { SMT_P_MAC_FNC,sizeof(struct smt_p_mac_fnc) ,
1592 SWAP_SMT_P_MAC_FNC } ,
1593 { SMT_P_PRIORITY,sizeof(struct smt_p_priority) ,
1594 SWAP_SMT_P_PRIORITY } ,
1595 { SMT_P_EB,sizeof(struct smt_p_eb) ,
1596 SWAP_SMT_P_EB } ,
1597 { SMT_P_MANUFACTURER,sizeof(struct smp_p_manufacturer) ,
1598 SWAP_SMT_P_MANUFACTURER } ,
1599 { SMT_P_REASON, sizeof(struct smt_p_reason) ,
1600 SWAP_SMT_P_REASON } ,
1601 { SMT_P_REFUSED, sizeof(struct smt_p_refused) ,
1602 SWAP_SMT_P_REFUSED } ,
1603 { SMT_P_VERSION, sizeof(struct smt_p_version) ,
1604 SWAP_SMT_P_VERSION } ,
1605#ifdef ESS
1606 { SMT_P0015, sizeof(struct smt_p_0015) , SWAP_SMT_P0015 } ,
1607 { SMT_P0016, sizeof(struct smt_p_0016) , SWAP_SMT_P0016 } ,
1608 { SMT_P0017, sizeof(struct smt_p_0017) , SWAP_SMT_P0017 } ,
1609 { SMT_P0018, sizeof(struct smt_p_0018) , SWAP_SMT_P0018 } ,
1610 { SMT_P0019, sizeof(struct smt_p_0019) , SWAP_SMT_P0019 } ,
1611 { SMT_P001A, sizeof(struct smt_p_001a) , SWAP_SMT_P001A } ,
1612 { SMT_P001B, sizeof(struct smt_p_001b) , SWAP_SMT_P001B } ,
1613 { SMT_P001C, sizeof(struct smt_p_001c) , SWAP_SMT_P001C } ,
1614 { SMT_P001D, sizeof(struct smt_p_001d) , SWAP_SMT_P001D } ,
1615#endif
1616#if 0
1617 { SMT_P_FSC, sizeof(struct smt_p_fsc) ,
1618 SWAP_SMT_P_FSC } ,
1619#endif
1620
1621 { SMT_P_SETCOUNT,0, SWAP_SMT_P_SETCOUNT } ,
1622 { SMT_P1048, 0, SWAP_SMT_P1048 } ,
1623 { SMT_P208C, 0, SWAP_SMT_P208C } ,
1624 { SMT_P208D, 0, SWAP_SMT_P208D } ,
1625 { SMT_P208E, 0, SWAP_SMT_P208E } ,
1626 { SMT_P208F, 0, SWAP_SMT_P208F } ,
1627 { SMT_P2090, 0, SWAP_SMT_P2090 } ,
1628#ifdef ESS
1629 { SMT_P320B, sizeof(struct smt_p_320b) , SWAP_SMT_P320B } ,
1630 { SMT_P320F, sizeof(struct smt_p_320f) , SWAP_SMT_P320F } ,
1631 { SMT_P3210, sizeof(struct smt_p_3210) , SWAP_SMT_P3210 } ,
1632#endif
1633 { SMT_P4050, 0, SWAP_SMT_P4050 } ,
1634 { SMT_P4051, 0, SWAP_SMT_P4051 } ,
1635 { SMT_P4052, 0, SWAP_SMT_P4052 } ,
1636 { SMT_P4053, 0, SWAP_SMT_P4053 } ,
1637} ;
1638
1639#define N_SMT_PLEN ARRAY_SIZE(smt_pdef)
1640#endif
1641
1642int smt_check_para(struct s_smc *smc, struct smt_header *sm,
1643 const u_short list[])
1644{
1645 const u_short *p = list ;
1646 while (*p) {
1647 if (!sm_to_para(smc,sm,(int) *p)) {
1648 DB_SMT("SMT: smt_check_para - missing para %hx", *p);
1649 return -1;
1650 }
1651 p++ ;
1652 }
1653 return 0;
1654}
1655
1656void *sm_to_para(struct s_smc *smc, struct smt_header *sm, int para)
1657{
1658 char *p ;
1659 int len ;
1660 int plen ;
1661 void *found = NULL;
1662
1663 SK_UNUSED(smc) ;
1664
1665 len = sm->smt_len ;
1666 p = (char *)(sm+1) ;
1667 while (len > 0 ) {
1668 if (((struct smt_para *)p)->p_type == para)
1669 found = (void *) p ;
1670 plen = ((struct smt_para *)p)->p_len + PARA_LEN ;
1671 p += plen ;
1672 len -= plen ;
1673 if (len < 0) {
1674 DB_SMT("SMT : sm_to_para - length error %d", plen);
1675 return NULL;
1676 }
1677 if ((plen & 3) && (para != SMT_P_ECHODATA)) {
1678 DB_SMT("SMT : sm_to_para - odd length %d", plen);
1679 return NULL;
1680 }
1681 if (found)
1682 return found;
1683 }
1684 return NULL;
1685}
1686
1687#if 0
1688
1689
1690
1691void fddi_send_antc(struct s_smc *smc, struct fddi_addr *dest)
1692{
1693 SK_UNUSED(smc) ;
1694 SK_UNUSED(dest) ;
1695#if 0
1696 SMbuf *mb ;
1697 struct smt_header *smt ;
1698 int i ;
1699 char *p ;
1700
1701 mb = smt_get_mbuf() ;
1702 mb->sm_len = 3000+12 ;
1703 p = smtod(mb, char *) + 12 ;
1704 for (i = 0 ; i < 3000 ; i++)
1705 *p++ = 1 << (i&7) ;
1706
1707 smt = smtod(mb, struct smt_header *) ;
1708 smt->smt_dest = *dest ;
1709 smt->smt_source = smc->mib.m[MAC0].fddiMACSMTAddress ;
1710 smt_send_mbuf(smc,mb,FC_ASYNC_LLC) ;
1711#endif
1712}
1713#endif
1714
1715
1716
1717
1718static int mac_index(struct s_smc *smc, int mac)
1719{
1720 SK_UNUSED(mac) ;
1721#ifdef CONCENTRATOR
1722 SK_UNUSED(smc) ;
1723 return NUMPHYS + 1;
1724#else
1725 return (smc->s.sas == SMT_SAS) ? 2 : 3;
1726#endif
1727}
1728
1729
1730
1731
1732static int phy_index(struct s_smc *smc, int phy)
1733{
1734 SK_UNUSED(smc) ;
1735 return phy + 1;
1736}
1737
1738
1739
1740
1741static int mac_con_resource_index(struct s_smc *smc, int mac)
1742{
1743#ifdef CONCENTRATOR
1744 SK_UNUSED(smc) ;
1745 SK_UNUSED(mac) ;
1746 return entity_to_index(smc, cem_get_downstream(smc, ENTITY_MAC));
1747#else
1748 SK_UNUSED(mac) ;
1749 switch (smc->mib.fddiSMTCF_State) {
1750 case SC9_C_WRAP_A :
1751 case SC5_THRU_B :
1752 case SC11_C_WRAP_S :
1753 return 1;
1754 case SC10_C_WRAP_B :
1755 case SC4_THRU_A :
1756 return 2;
1757 }
1758 return smc->s.sas == SMT_SAS ? 2 : 3;
1759#endif
1760}
1761
1762
1763
1764
1765static int phy_con_resource_index(struct s_smc *smc, int phy)
1766{
1767#ifdef CONCENTRATOR
1768 return entity_to_index(smc, cem_get_downstream(smc, ENTITY_PHY(phy))) ;
1769#else
1770 switch (smc->mib.fddiSMTCF_State) {
1771 case SC9_C_WRAP_A :
1772 return phy == PA ? 3 : 2;
1773 case SC10_C_WRAP_B :
1774 return phy == PA ? 1 : 3;
1775 case SC4_THRU_A :
1776 return phy == PA ? 3 : 1;
1777 case SC5_THRU_B :
1778 return phy == PA ? 2 : 3;
1779 case SC11_C_WRAP_S :
1780 return 2;
1781 }
1782 return phy;
1783#endif
1784}
1785
1786#ifdef CONCENTRATOR
1787static int entity_to_index(struct s_smc *smc, int e)
1788{
1789 if (e == ENTITY_MAC)
1790 return mac_index(smc, 1);
1791 else
1792 return phy_index(smc, e - ENTITY_PHY(0));
1793}
1794#endif
1795
1796#ifdef LITTLE_ENDIAN
1797static int smt_swap_short(u_short s)
1798{
1799 return ((s>>8)&0xff) | ((s&0xff)<<8);
1800}
1801
1802void smt_swap_para(struct smt_header *sm, int len, int direction)
1803
1804{
1805 struct smt_para *pa ;
1806 const struct smt_pdef *pd ;
1807 char *p ;
1808 int plen ;
1809 int type ;
1810 int i ;
1811
1812
1813
1814
1815 smt_string_swap((char *)sm,SWAP_SMTHEADER,len) ;
1816
1817
1818 len -= sizeof(struct smt_header) ;
1819
1820 p = (char *) (sm + 1) ;
1821 while (len > 0) {
1822 pa = (struct smt_para *) p ;
1823 plen = pa->p_len ;
1824 type = pa->p_type ;
1825 pa->p_type = smt_swap_short(pa->p_type) ;
1826 pa->p_len = smt_swap_short(pa->p_len) ;
1827 if (direction) {
1828 plen = pa->p_len ;
1829 type = pa->p_type ;
1830 }
1831
1832
1833
1834 if (plen < 0)
1835 break ;
1836 plen += PARA_LEN ;
1837 for (i = N_SMT_PLEN, pd = smt_pdef; i ; i--,pd++) {
1838 if (pd->ptype == type)
1839 break ;
1840 }
1841 if (i && pd->pswap) {
1842 smt_string_swap(p+PARA_LEN,pd->pswap,len) ;
1843 }
1844 len -= plen ;
1845 p += plen ;
1846 }
1847}
1848
1849static void smt_string_swap(char *data, const char *format, int len)
1850{
1851 const char *open_paren = NULL ;
1852 int x ;
1853
1854 while (len > 0 && *format) {
1855 switch (*format) {
1856 case '[' :
1857 open_paren = format ;
1858 break ;
1859 case ']' :
1860 format = open_paren ;
1861 break ;
1862 case '1' :
1863 case '2' :
1864 case '3' :
1865 case '4' :
1866 case '5' :
1867 case '6' :
1868 case '7' :
1869 case '8' :
1870 case '9' :
1871 data += *format - '0' ;
1872 len -= *format - '0' ;
1873 break ;
1874 case 'c':
1875 data++ ;
1876 len-- ;
1877 break ;
1878 case 's' :
1879 x = data[0] ;
1880 data[0] = data[1] ;
1881 data[1] = x ;
1882 data += 2 ;
1883 len -= 2 ;
1884 break ;
1885 case 'l' :
1886 x = data[0] ;
1887 data[0] = data[3] ;
1888 data[3] = x ;
1889 x = data[1] ;
1890 data[1] = data[2] ;
1891 data[2] = x ;
1892 data += 4 ;
1893 len -= 4 ;
1894 break ;
1895 }
1896 format++ ;
1897 }
1898}
1899#else
1900void smt_swap_para(struct smt_header *sm, int len, int direction)
1901
1902{
1903 SK_UNUSED(sm) ;
1904 SK_UNUSED(len) ;
1905 SK_UNUSED(direction) ;
1906}
1907#endif
1908
1909
1910
1911
1912int smt_action(struct s_smc *smc, int class, int code, int index)
1913{
1914 int event ;
1915 int port ;
1916 DB_SMT("SMT: action %d code %d", class, code);
1917 switch(class) {
1918 case SMT_STATION_ACTION :
1919 switch(code) {
1920 case SMT_STATION_ACTION_CONNECT :
1921 smc->mib.fddiSMTRemoteDisconnectFlag = FALSE ;
1922 queue_event(smc,EVENT_ECM,EC_CONNECT) ;
1923 break ;
1924 case SMT_STATION_ACTION_DISCONNECT :
1925 queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;
1926 smc->mib.fddiSMTRemoteDisconnectFlag = TRUE ;
1927 RS_SET(smc,RS_DISCONNECT) ;
1928 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
1929 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_DISCONNECT,
1930 smt_get_event_word(smc));
1931 break ;
1932 case SMT_STATION_ACTION_PATHTEST :
1933 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
1934 FDDI_SMT_EVENT, (u_long) FDDI_PATH_TEST,
1935 smt_get_event_word(smc));
1936 break ;
1937 case SMT_STATION_ACTION_SELFTEST :
1938 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
1939 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_SELF_TEST,
1940 smt_get_event_word(smc));
1941 break ;
1942 case SMT_STATION_ACTION_DISABLE_A :
1943 if (smc->y[PA].pc_mode == PM_PEER) {
1944 RS_SET(smc,RS_EVENT) ;
1945 queue_event(smc,EVENT_PCM+PA,PC_DISABLE) ;
1946 }
1947 break ;
1948 case SMT_STATION_ACTION_DISABLE_B :
1949 if (smc->y[PB].pc_mode == PM_PEER) {
1950 RS_SET(smc,RS_EVENT) ;
1951 queue_event(smc,EVENT_PCM+PB,PC_DISABLE) ;
1952 }
1953 break ;
1954 case SMT_STATION_ACTION_DISABLE_M :
1955 for (port = 0 ; port < NUMPHYS ; port++) {
1956 if (smc->mib.p[port].fddiPORTMy_Type != TM)
1957 continue ;
1958 RS_SET(smc,RS_EVENT) ;
1959 queue_event(smc,EVENT_PCM+port,PC_DISABLE) ;
1960 }
1961 break ;
1962 default :
1963 return 1;
1964 }
1965 break ;
1966 case SMT_PORT_ACTION :
1967 switch(code) {
1968 case SMT_PORT_ACTION_ENABLE :
1969 event = PC_ENABLE ;
1970 break ;
1971 case SMT_PORT_ACTION_DISABLE :
1972 event = PC_DISABLE ;
1973 break ;
1974 case SMT_PORT_ACTION_MAINT :
1975 event = PC_MAINT ;
1976 break ;
1977 case SMT_PORT_ACTION_START :
1978 event = PC_START ;
1979 break ;
1980 case SMT_PORT_ACTION_STOP :
1981 event = PC_STOP ;
1982 break ;
1983 default :
1984 return 1;
1985 }
1986 queue_event(smc,EVENT_PCM+index,event) ;
1987 break ;
1988 default :
1989 return 1;
1990 }
1991 return 0;
1992}
1993
1994
1995
1996
1997#ifdef USE_CAN_ADDR
1998static void hwm_conv_can(struct s_smc *smc, char *data, int len)
1999{
2000 int i ;
2001
2002 SK_UNUSED(smc) ;
2003
2004 for (i = len; i ; i--, data++)
2005 *data = bitrev8(*data);
2006}
2007#endif
2008
2009#endif
2010
2011
