51 #define GO_STATE(x)	(smc->mib.fddiSMTCF_State = (x)|AFLAG)
52 #define ACTIONS_DONE()	(smc->mib.fddiSMTCF_State &= ~AFLAG)
99 static void cfm_fsm(struct s_smc *smc, int cmd);
105 void cfm_init(struct s_smc *smc)  in cfm_init()  argument
107 	smc->mib.fddiSMTCF_State = ACTIONS(SC0_ISOLATED) ;  in cfm_init()
108 	smc->r.rm_join = 0 ;  in cfm_init()
109 	smc->r.rm_loop = 0 ;  in cfm_init()
110 	smc->y[PA].scrub = 0 ;  in cfm_init()
111 	smc->y[PB].scrub = 0 ;  in cfm_init()
112 	smc->y[PA].cem_pst = CEM_PST_DOWN ;  in cfm_init()
113 	smc->y[PB].cem_pst = CEM_PST_DOWN ;  in cfm_init()
117 #define THRU_ENABLED(smc)	(smc->y[PA].pc_mode != PM_TREE && \  argument
118 				 smc->y[PB].pc_mode != PM_TREE)
120 static void selection_criteria (struct s_smc *smc, struct s_phy *phy)  in selection_criteria()  argument
125 		if ( !THRU_ENABLED(smc) && smc->y[PB].cf_join ) {  in selection_criteria()
146 void all_selection_criteria(struct s_smc *smc)  in all_selection_criteria()  argument
151 	for ( p = 0,phy = smc->y ; p < NUMPHYS; p++, phy++ ) {  in all_selection_criteria()
153 		selection_criteria (smc,phy);  in all_selection_criteria()
157 static void cem_priv_state(struct s_smc *smc, int event)  in cem_priv_state()  argument
164 	if (smc->s.sas != SMT_DAS )  in cem_priv_state()
173 	if (smc->y[np].cf_join) {  in cem_priv_state()
174 		smc->y[np].cem_pst = CEM_PST_UP ;  in cem_priv_state()
175 	} else if (!smc->y[np].wc_flag) {  in cem_priv_state()
177 		smc->y[np].cem_pst = CEM_PST_DOWN ;  in cem_priv_state()
185 		if ( smc->y[i].cem_pst == CEM_PST_HOLD && !smc->y[i].wc_flag ) {  in cem_priv_state()
186 			smc->y[i].cem_pst = CEM_PST_DOWN;  in cem_priv_state()
187 			queue_event(smc,(int)(EVENT_PCM+i),PC_START) ;  in cem_priv_state()
189 		if ( smc->y[i].cem_pst == CEM_PST_UP && smc->y[i].wc_flag ) {  in cem_priv_state()
190 			smc->y[i].cem_pst = CEM_PST_HOLD;  in cem_priv_state()
191 			queue_event(smc,(int)(EVENT_PCM+i),PC_START) ;  in cem_priv_state()
193 		if ( smc->y[i].cem_pst == CEM_PST_DOWN && smc->y[i].wc_flag ) {  in cem_priv_state()
198 			smc->y[i].cem_pst = CEM_PST_HOLD;  in cem_priv_state()
213 void cfm(struct s_smc *smc, int event)  in cfm()  argument
225 	all_selection_criteria (smc);  in cfm()
229 	cem_priv_state (smc, event);  in cfm()
231 	oldstate = smc->mib.fddiSMTCF_State ;  in cfm()
234 			(smc->mib.fddiSMTCF_State & AFLAG) ? "ACTIONS " : "",  in cfm()
235 			cfm_states[smc->mib.fddiSMTCF_State & ~AFLAG]) ;  in cfm()
237 		state = smc->mib.fddiSMTCF_State ;  in cfm()
238 		cfm_fsm(smc,event) ;  in cfm()
240 	} while (state != smc->mib.fddiSMTCF_State) ;  in cfm()
247 	if (	(smc->mib.fddiSMTCF_State == SC9_C_WRAP_A &&  in cfm()
248 		smc->y[PA].pc_mode == PM_PEER) 	||  in cfm()
249 		(smc->mib.fddiSMTCF_State == SC10_C_WRAP_B &&  in cfm()
250 		smc->y[PB].pc_mode == PM_PEER) 	||  in cfm()
251 		(smc->mib.fddiSMTCF_State == SC11_C_WRAP_S &&  in cfm()
252 		smc->y[PS].pc_mode == PM_PEER &&  in cfm()
253 		smc->y[PS].mib->fddiPORTNeighborType != TS ) ) {  in cfm()
256 	if (cond != smc->mib.fddiSMTPeerWrapFlag)  in cfm()
257 		smt_srf_event(smc,SMT_COND_SMT_PEER_WRAP,0,cond) ;  in cfm()
267 	if (smc->mib.fddiSMTCF_State != oldstate) {  in cfm()
268 		smt_srf_event(smc,SMT_EVENT_MAC_PATH_CHANGE,INDEX_MAC,0) ;  in cfm()
276 	smc->mib.m[MAC0].fddiMACDownstreamPORTType =  in cfm()
277 		cf_to_ptype[smc->mib.fddiSMTCF_State] ;  in cfm()
278 	cfm_state_change(smc,(int)smc->mib.fddiSMTCF_State) ;  in cfm()
285 static void cfm_fsm(struct s_smc *smc, int cmd)  in cfm_fsm()  argument
287 	switch(smc->mib.fddiSMTCF_State) {  in cfm_fsm()
289 		smc->mib.p[PA].fddiPORTCurrentPath = MIB_PATH_ISOLATED ;  in cfm_fsm()
290 		smc->mib.p[PB].fddiPORTCurrentPath = MIB_PATH_ISOLATED ;  in cfm_fsm()
291 		smc->mib.p[PA].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
292 		smc->mib.p[PB].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
293 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ;  in cfm_fsm()
294 		config_mux(smc,MUX_ISOLATE) ;	/* configure PHY Mux */  in cfm_fsm()
295 		smc->r.rm_loop = FALSE ;  in cfm_fsm()
296 		smc->r.rm_join = FALSE ;  in cfm_fsm()
297 		queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
300 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
305 		if (smc->s.sas && (smc->y[PA].cf_join || smc->y[PA].cf_loop ||  in cfm_fsm()
306 				smc->y[PB].cf_join || smc->y[PB].cf_loop)) {  in cfm_fsm()
311 		if ((smc->y[PA].cem_pst == CEM_PST_UP && smc->y[PA].cf_join &&  in cfm_fsm()
312 		     !smc->y[PA].wc_flag) || smc->y[PA].cf_loop) {  in cfm_fsm()
317 		if ((smc->y[PB].cem_pst == CEM_PST_UP && smc->y[PB].cf_join &&  in cfm_fsm()
318 		     !smc->y[PB].wc_flag) || smc->y[PB].cf_loop) {  in cfm_fsm()
324 		smc->mib.p[PA].fddiPORTCurrentPath = MIB_PATH_CONCATENATED ;  in cfm_fsm()
325 		smc->mib.p[PB].fddiPORTCurrentPath = MIB_PATH_ISOLATED ;  in cfm_fsm()
326 		smc->mib.p[PA].fddiPORTMACPlacement = INDEX_MAC ;  in cfm_fsm()
327 		smc->mib.p[PB].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
328 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_CON ;  in cfm_fsm()
329 		config_mux(smc,MUX_WRAPA) ;		/* configure PHY mux */  in cfm_fsm()
330 		if (smc->y[PA].cf_loop) {  in cfm_fsm()
331 			smc->r.rm_join = FALSE ;  in cfm_fsm()
332 			smc->r.rm_loop = TRUE ;  in cfm_fsm()
333 			queue_event(smc,EVENT_RMT,RM_LOOP) ;/* signal RMT */  in cfm_fsm()
335 		if (smc->y[PA].cf_join) {  in cfm_fsm()
336 			smc->r.rm_loop = FALSE ;  in cfm_fsm()
337 			smc->r.rm_join = TRUE ;  in cfm_fsm()
338 			queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
341 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
345 		if ( (smc->y[PA].wc_flag || !smc->y[PA].cf_join) &&  in cfm_fsm()
346 		      !smc->y[PA].cf_loop ) {  in cfm_fsm()
351 		else if ( (smc->y[PB].cf_loop && smc->y[PA].cf_join &&  in cfm_fsm()
352 			   smc->y[PA].cem_pst == CEM_PST_UP) ||  in cfm_fsm()
353 			  ((smc->y[PB].cf_loop ||  in cfm_fsm()
354 			   (smc->y[PB].cf_join &&  in cfm_fsm()
355 			    smc->y[PB].cem_pst == CEM_PST_UP)) &&  in cfm_fsm()
356 			    (smc->y[PA].pc_mode == PM_TREE ||  in cfm_fsm()
357 			     smc->y[PB].pc_mode == PM_TREE))) {  in cfm_fsm()
358 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
363 		else if (!smc->s.attach_s &&  in cfm_fsm()
364 			  smc->y[PA].cf_join &&  in cfm_fsm()
365 			  smc->y[PA].cem_pst == CEM_PST_UP &&  in cfm_fsm()
366 			  smc->y[PA].pc_mode == PM_PEER && smc->y[PB].cf_join &&  in cfm_fsm()
367 			  smc->y[PB].cem_pst == CEM_PST_UP &&  in cfm_fsm()
368 			  smc->y[PB].pc_mode == PM_PEER) {  in cfm_fsm()
369 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
370 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
375 		else if ( smc->s.attach_s &&  in cfm_fsm()
376 			  smc->y[PA].cf_join &&  in cfm_fsm()
377 			  smc->y[PA].cem_pst == CEM_PST_UP &&  in cfm_fsm()
378 			  smc->y[PA].pc_mode == PM_PEER &&  in cfm_fsm()
379 			  smc->y[PB].cf_join &&  in cfm_fsm()
380 			  smc->y[PB].cem_pst == CEM_PST_UP &&  in cfm_fsm()
381 			  smc->y[PB].pc_mode == PM_PEER) {  in cfm_fsm()
382 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
383 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
389 		smc->mib.p[PA].fddiPORTCurrentPath = MIB_PATH_ISOLATED ;  in cfm_fsm()
390 		smc->mib.p[PB].fddiPORTCurrentPath = MIB_PATH_CONCATENATED ;  in cfm_fsm()
391 		smc->mib.p[PA].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
392 		smc->mib.p[PB].fddiPORTMACPlacement = INDEX_MAC ;  in cfm_fsm()
393 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_CON ;  in cfm_fsm()
394 		config_mux(smc,MUX_WRAPB) ;		/* configure PHY mux */  in cfm_fsm()
395 		if (smc->y[PB].cf_loop) {  in cfm_fsm()
396 			smc->r.rm_join = FALSE ;  in cfm_fsm()
397 			smc->r.rm_loop = TRUE ;  in cfm_fsm()
398 			queue_event(smc,EVENT_RMT,RM_LOOP) ;/* signal RMT */  in cfm_fsm()
400 		if (smc->y[PB].cf_join) {  in cfm_fsm()
401 			smc->r.rm_loop = FALSE ;  in cfm_fsm()
402 			smc->r.rm_join = TRUE ;  in cfm_fsm()
403 			queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
406 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
410 		if ( !smc->y[PB].cf_join && !smc->y[PB].cf_loop ) {  in cfm_fsm()
415 		else if ( smc->y[PA].cf_loop && smc->y[PA].pc_mode == PM_PEER &&  in cfm_fsm()
416 			  smc->y[PB].cf_join && smc->y[PB].pc_mode == PM_PEER) {  in cfm_fsm()
417 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
422 		else if (!smc->s.attach_s &&  in cfm_fsm()
423 			 smc->y[PA].cf_join && smc->y[PA].pc_mode == PM_PEER &&  in cfm_fsm()
424 			 smc->y[PB].cf_join && smc->y[PB].pc_mode == PM_PEER) {  in cfm_fsm()
425 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
426 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
431 		else if ( smc->s.attach_s &&  in cfm_fsm()
432 			 smc->y[PA].cf_join && smc->y[PA].pc_mode == PM_PEER &&  in cfm_fsm()
433 			 smc->y[PB].cf_join && smc->y[PB].pc_mode == PM_PEER) {  in cfm_fsm()
434 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
435 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
441 		smc->mib.p[PA].fddiPORTCurrentPath = MIB_PATH_THRU ;  in cfm_fsm()
442 		smc->mib.p[PB].fddiPORTCurrentPath = MIB_PATH_THRU ;  in cfm_fsm()
443 		smc->mib.p[PA].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
444 		smc->mib.p[PB].fddiPORTMACPlacement = INDEX_MAC ;  in cfm_fsm()
445 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_THRU ;  in cfm_fsm()
446 		config_mux(smc,MUX_THRUA) ;		/* configure PHY mux */  in cfm_fsm()
447 		smc->r.rm_loop = FALSE ;  in cfm_fsm()
448 		smc->r.rm_join = TRUE ;  in cfm_fsm()
449 		queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
451 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
455 		if (smc->y[PB].wc_flag || !smc->y[PB].cf_join) {  in cfm_fsm()
456 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
461 		else if (!smc->y[PA].cf_join || smc->y[PA].wc_flag) {  in cfm_fsm()
462 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
467 		else if (smc->s.attach_s) {  in cfm_fsm()
468 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
474 		smc->mib.p[PA].fddiPORTCurrentPath = MIB_PATH_THRU ;  in cfm_fsm()
475 		smc->mib.p[PB].fddiPORTCurrentPath = MIB_PATH_THRU ;  in cfm_fsm()
476 		smc->mib.p[PA].fddiPORTMACPlacement = INDEX_MAC ;  in cfm_fsm()
477 		smc->mib.p[PB].fddiPORTMACPlacement = 0 ;  in cfm_fsm()
478 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_THRU ;  in cfm_fsm()
479 		config_mux(smc,MUX_THRUB) ;		/* configure PHY mux */  in cfm_fsm()
480 		smc->r.rm_loop = FALSE ;  in cfm_fsm()
481 		smc->r.rm_join = TRUE ;  in cfm_fsm()
482 		queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
484 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
488 		if (!smc->y[PB].cf_join || smc->y[PB].wc_flag) {  in cfm_fsm()
489 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
494 		else if (!smc->y[PA].cf_join || smc->y[PA].wc_flag) {  in cfm_fsm()
495 			smc->y[PB].scrub = TRUE ;  in cfm_fsm()
500 		else if (!smc->s.attach_s) {  in cfm_fsm()
501 			smc->y[PA].scrub = TRUE ;  in cfm_fsm()
507 		smc->mib.p[PS].fddiPORTCurrentPath = MIB_PATH_CONCATENATED ;  in cfm_fsm()
508 		smc->mib.p[PS].fddiPORTMACPlacement = INDEX_MAC ;  in cfm_fsm()
509 		smc->mib.fddiSMTStationStatus = MIB_SMT_STASTA_CON ;  in cfm_fsm()
510 		config_mux(smc,MUX_WRAPS) ;		/* configure PHY mux */  in cfm_fsm()
511 		if (smc->y[PA].cf_loop || smc->y[PB].cf_loop) {  in cfm_fsm()
512 			smc->r.rm_join = FALSE ;  in cfm_fsm()
513 			smc->r.rm_loop = TRUE ;  in cfm_fsm()
514 			queue_event(smc,EVENT_RMT,RM_LOOP) ;/* signal RMT */  in cfm_fsm()
516 		if (smc->y[PA].cf_join || smc->y[PB].cf_join) {  in cfm_fsm()
517 			smc->r.rm_loop = FALSE ;  in cfm_fsm()
518 			smc->r.rm_join = TRUE ;  in cfm_fsm()
519 			queue_event(smc,EVENT_RMT,RM_JOIN) ;/* signal RMT */  in cfm_fsm()
522 		DB_CFMN(1,"CFM : %s\n",cfm_states[smc->mib.fddiSMTCF_State],0) ;  in cfm_fsm()
526 		if ( !smc->y[PA].cf_join && !smc->y[PA].cf_loop &&  in cfm_fsm()
527 		     !smc->y[PB].cf_join && !smc->y[PB].cf_loop) {  in cfm_fsm()
533 		SMT_PANIC(smc,SMT_E0106, SMT_E0106_MSG) ;  in cfm_fsm()
543 int cfm_get_mac_input(struct s_smc *smc)  in cfm_get_mac_input()  argument
545 	return (smc->mib.fddiSMTCF_State == SC10_C_WRAP_B ||  in cfm_get_mac_input()
546 		smc->mib.fddiSMTCF_State == SC5_THRU_B) ? PB : PA;  in cfm_get_mac_input()
554 int cfm_get_mac_output(struct s_smc *smc)  in cfm_get_mac_output()  argument
556 	return (smc->mib.fddiSMTCF_State == SC10_C_WRAP_B ||  in cfm_get_mac_output()
557 		smc->mib.fddiSMTCF_State == SC4_THRU_A) ? PB : PA;  in cfm_get_mac_output()
594 int cem_build_path(struct s_smc *smc, char *to, int path_index)  in cem_build_path()  argument
599 	switch (smc->mib.fddiSMTCF_State) {  in cem_build_path()
602 		path = smc->s.sas ? path_iso_s : path_iso ;  in cem_build_path()
603 		len = smc->s.sas ? sizeof(path_iso_s) :  sizeof(path_iso) ;  in cem_build_path()