60 #define GO_STATE(x)	(smc->mib.m[MAC0].fddiMACRMTState = (x)|AFLAG)
61 #define ACTIONS_DONE()	(smc->mib.m[MAC0].fddiMACRMTState &= ~AFLAG)
105 static void rmt_fsm(struct s_smc *smc, int cmd);
106 static void start_rmt_timer0(struct s_smc *smc, u_long value, int event);
107 static void start_rmt_timer1(struct s_smc *smc, u_long value, int event);
108 static void start_rmt_timer2(struct s_smc *smc, u_long value, int event);
109 static void stop_rmt_timer0(struct s_smc *smc);
110 static void stop_rmt_timer1(struct s_smc *smc);
111 static void stop_rmt_timer2(struct s_smc *smc);
112 static void rmt_dup_actions(struct s_smc *smc);
113 static void rmt_reinsert_actions(struct s_smc *smc);
114 static void rmt_leave_actions(struct s_smc *smc);
115 static void rmt_new_dup_actions(struct s_smc *smc);
125 void rmt_init(struct s_smc *smc)  in rmt_init()  argument
127 	smc->mib.m[MAC0].fddiMACRMTState = ACTIONS(RM0_ISOLATED) ;  in rmt_init()
128 	smc->r.dup_addr_test = DA_NONE ;  in rmt_init()
129 	smc->r.da_flag = 0 ;  in rmt_init()
130 	smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_init()
131 	smc->r.sm_ma_avail = FALSE ;  in rmt_init()
132 	smc->r.loop_avail = 0 ;  in rmt_init()
133 	smc->r.bn_flag = 0 ;  in rmt_init()
134 	smc->r.jm_flag = 0 ;  in rmt_init()
135 	smc->r.no_flag = TRUE ;  in rmt_init()
147 void rmt(struct s_smc *smc, int event)  in rmt()  argument
153 			(smc->mib.m[MAC0].fddiMACRMTState & AFLAG) ? "ACTIONS " : "",  in rmt()
154 			rmt_states[smc->mib.m[MAC0].fddiMACRMTState & ~AFLAG]) ;  in rmt()
156 		state = smc->mib.m[MAC0].fddiMACRMTState ;  in rmt()
157 		rmt_fsm(smc,event) ;  in rmt()
159 	} while (state != smc->mib.m[MAC0].fddiMACRMTState) ;  in rmt()
160 	rmt_state_change(smc,(int)smc->mib.m[MAC0].fddiMACRMTState) ;  in rmt()
166 static void rmt_fsm(struct s_smc *smc, int cmd)  in rmt_fsm()  argument
171 	if (!smc->r.rm_join && !smc->r.rm_loop &&  in rmt_fsm()
172 		smc->mib.m[MAC0].fddiMACRMTState != ACTIONS(RM0_ISOLATED) &&  in rmt_fsm()
173 		smc->mib.m[MAC0].fddiMACRMTState != RM0_ISOLATED) {  in rmt_fsm()
174 		RS_SET(smc,RS_NORINGOP) ;  in rmt_fsm()
175 		rmt_indication(smc,0) ;  in rmt_fsm()
180 	switch(smc->mib.m[MAC0].fddiMACRMTState) {  in rmt_fsm()
182 		stop_rmt_timer0(smc) ;  in rmt_fsm()
183 		stop_rmt_timer1(smc) ;  in rmt_fsm()
184 		stop_rmt_timer2(smc) ;  in rmt_fsm()
189 		sm_ma_control(smc,MA_OFFLINE) ;  in rmt_fsm()
190 		smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_fsm()
191 		smc->r.loop_avail = FALSE ;  in rmt_fsm()
192 		smc->r.sm_ma_avail = FALSE ;  in rmt_fsm()
193 		smc->r.no_flag = TRUE ;  in rmt_fsm()
199 		if (smc->r.rm_join || smc->r.rm_loop) {  in rmt_fsm()
206 			sm_ma_control(smc,MA_RESET) ;  in rmt_fsm()
212 		start_rmt_timer0(smc,smc->s.rmt_t_non_op,RM_TIMEOUT_NON_OP) ;  in rmt_fsm()
213 		stop_rmt_timer1(smc) ;  in rmt_fsm()
214 		stop_rmt_timer2(smc) ;  in rmt_fsm()
215 		sm_ma_control(smc,MA_BEACON) ;  in rmt_fsm()
217 		RS_SET(smc,RS_NORINGOP) ;  in rmt_fsm()
218 		smc->r.sm_ma_avail = FALSE ;  in rmt_fsm()
219 		rmt_indication(smc,0) ;  in rmt_fsm()
225 			RS_SET(smc,RS_RINGOPCHANGE) ;  in rmt_fsm()
231 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
232 			smc->r.no_flag = TRUE ;  in rmt_fsm()
238 		stop_rmt_timer0(smc) ;  in rmt_fsm()
239 		stop_rmt_timer1(smc) ;  in rmt_fsm()
240 		stop_rmt_timer2(smc) ;  in rmt_fsm()
241 		smc->r.no_flag = FALSE ;  in rmt_fsm()
242 		if (smc->r.rm_loop)  in rmt_fsm()
243 			smc->r.loop_avail = TRUE ;  in rmt_fsm()
244 		if (smc->r.rm_join) {  in rmt_fsm()
245 			smc->r.sm_ma_avail = TRUE ;  in rmt_fsm()
246 			if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)  in rmt_fsm()
247 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;  in rmt_fsm()
249 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_fsm()
252 		RS_CLEAR(smc,RS_NORINGOP) ;  in rmt_fsm()
253 		RS_SET(smc,RS_RINGOPCHANGE) ;  in rmt_fsm()
254 		rmt_indication(smc,1) ;  in rmt_fsm()
255 		smt_stat_counter(smc,0) ;  in rmt_fsm()
261 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_fsm()
262 			smc->r.loop_avail = FALSE ;  in rmt_fsm()
263 			RS_SET(smc,RS_RINGOPCHANGE) ;  in rmt_fsm()
269 			if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)  in rmt_fsm()
270 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;  in rmt_fsm()
272 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_fsm()
275 		else if (smc->r.dup_addr_test == DA_FAILED) {  in rmt_fsm()
276 			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;  in rmt_fsm()
277 			smc->r.loop_avail = FALSE ;  in rmt_fsm()
278 			smc->r.da_flag = TRUE ;  in rmt_fsm()
284 		start_rmt_timer0(smc,smc->s.mac_d_max*2,RM_TIMEOUT_D_MAX) ;  in rmt_fsm()
285 		start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;  in rmt_fsm()
286 		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;  in rmt_fsm()
287 		sm_mac_check_beacon_claim(smc) ;  in rmt_fsm()
293 			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);  in rmt_fsm()
294 			sm_mac_check_beacon_claim(smc) ;  in rmt_fsm()
298 			smc->r.timer0_exp = TRUE ;  in rmt_fsm()
307 			start_rmt_timer0(smc,  in rmt_fsm()
308 					 smc->s.mac_d_max*2,  in rmt_fsm()
318 			&& smc->r.bn_flag) {  in rmt_fsm()
319 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
322 		else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {  in rmt_fsm()
329 			if ((tx =  sm_mac_get_tx_state(smc)) == 4 || tx == 5) {  in rmt_fsm()
331 				smc->r.bn_flag = TRUE ;  in rmt_fsm()
338 				start_rmt_timer1(smc,smc->s.rmt_t_stuck,  in rmt_fsm()
349 			tx,smc->r.bn_flag) ;  in rmt_fsm()
352 		else if (cmd == RM_MY_CLAIM && smc->r.timer0_exp) {  in rmt_fsm()
353 			rmt_new_dup_actions(smc) ;  in rmt_fsm()
358 		else if (cmd == RM_MY_BEACON && smc->r.timer0_exp) {  in rmt_fsm()
359 			rmt_new_dup_actions(smc) ;  in rmt_fsm()
365 			rmt_new_dup_actions(smc) ;  in rmt_fsm()
371 			smc->r.rm_join && smc->r.bn_flag) {  in rmt_fsm()
377 		start_rmt_timer0(smc,smc->s.rmt_t_announce,RM_TIMEOUT_ANNOUNCE);  in rmt_fsm()
378 		start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;  in rmt_fsm()
379 		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;  in rmt_fsm()
380 		sm_mac_check_beacon_claim(smc) ;  in rmt_fsm()
386 			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);  in rmt_fsm()
387 			sm_mac_check_beacon_claim(smc) ;  in rmt_fsm()
391 		if (!smc->r.da_flag) {  in rmt_fsm()
397 			smc->r.bn_flag) {  in rmt_fsm()
398 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
401 		else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {  in rmt_fsm()
408 			if ((tx =  sm_mac_get_tx_state(smc)) == 4 || tx == 5) {  in rmt_fsm()
410 				smc->r.bn_flag = TRUE ;  in rmt_fsm()
417 				start_rmt_timer1(smc,smc->s.rmt_t_stuck,  in rmt_fsm()
428 			tx,smc->r.bn_flag) ;  in rmt_fsm()
431 		else if (cmd == RM_TIMEOUT_ANNOUNCE && !smc->r.bn_flag) {  in rmt_fsm()
432 			rmt_dup_actions(smc) ;  in rmt_fsm()
436 			smc->r.no_flag = FALSE ;  in rmt_fsm()
442 			smc->r.rm_join && smc->r.bn_flag) {  in rmt_fsm()
448 		stop_rmt_timer0(smc) ;  in rmt_fsm()
449 		stop_rmt_timer1(smc) ;  in rmt_fsm()
450 		stop_rmt_timer2(smc) ;  in rmt_fsm()
456 		if (smc->r.dup_addr_test == DA_PASSED) {  in rmt_fsm()
457 			smc->r.da_flag = FALSE ;  in rmt_fsm()
463 			smc->r.jm_flag = FALSE ;  in rmt_fsm()
464 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
470 		start_rmt_timer0(smc,smc->s.rmt_t_direct,RM_TIMEOUT_T_DIRECT) ;  in rmt_fsm()
471 		stop_rmt_timer1(smc) ;  in rmt_fsm()
472 		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;  in rmt_fsm()
473 		sm_ma_control(smc,MA_DIRECTED) ;  in rmt_fsm()
474 		RS_SET(smc,RS_BEACON) ;  in rmt_fsm()
481 			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);  in rmt_fsm()
482 			sm_mac_check_beacon_claim(smc) ;  in rmt_fsm()
489 			restart_trt_for_dbcn(smc) ;  in rmt_fsm()
494 			!smc->r.da_flag) {  in rmt_fsm()
495 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
501 			smc->r.da_flag) {  in rmt_fsm()
502 			smc->r.bn_flag = FALSE ;  in rmt_fsm()
513 		stop_rmt_timer0(smc) ;  in rmt_fsm()
514 		stop_rmt_timer1(smc) ;  in rmt_fsm()
515 		stop_rmt_timer2(smc) ;  in rmt_fsm()
516 		smc->e.trace_prop |= ENTITY_BIT(ENTITY_MAC) ;  in rmt_fsm()
517 		queue_event(smc,EVENT_ECM,EC_TRACE_PROP) ;  in rmt_fsm()
524 		SMT_PANIC(smc,SMT_E0122, SMT_E0122_MSG) ;  in rmt_fsm()
533 static void rmt_dup_actions(struct s_smc *smc)  in rmt_dup_actions()  argument
535 	if (smc->r.jm_flag) {  in rmt_dup_actions()
538 		if (smc->s.rmt_dup_mac_behavior) {  in rmt_dup_actions()
539 			SMT_ERR_LOG(smc,SMT_E0138, SMT_E0138_MSG) ;  in rmt_dup_actions()
540                         rmt_reinsert_actions(smc) ;  in rmt_dup_actions()
543 			SMT_ERR_LOG(smc,SMT_E0135, SMT_E0135_MSG) ;  in rmt_dup_actions()
544 			rmt_leave_actions(smc) ;  in rmt_dup_actions()
552 static void rmt_reinsert_actions(struct s_smc *smc)  in rmt_reinsert_actions()  argument
554 	queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;  in rmt_reinsert_actions()
555 	queue_event(smc,EVENT_ECM,EC_CONNECT) ;  in rmt_reinsert_actions()
561 static void rmt_new_dup_actions(struct s_smc *smc)  in rmt_new_dup_actions()  argument
563 	smc->r.da_flag = TRUE ;  in rmt_new_dup_actions()
564 	smc->r.bn_flag = FALSE ;  in rmt_new_dup_actions()
565 	smc->r.jm_flag = FALSE ;  in rmt_new_dup_actions()
572 	if (smc->s.rmt_dup_mac_behavior) {  in rmt_new_dup_actions()
573 		SMT_ERR_LOG(smc,SMT_E0138, SMT_E0138_MSG) ;  in rmt_new_dup_actions()
574 		rmt_reinsert_actions(smc) ;  in rmt_new_dup_actions()
577 		SMT_ERR_LOG(smc,SMT_E0135, SMT_E0135_MSG) ;  in rmt_new_dup_actions()
578 		rmt_leave_actions(smc) ;  in rmt_new_dup_actions()
586 static void rmt_leave_actions(struct s_smc *smc)  in rmt_leave_actions()  argument
588 	queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;  in rmt_leave_actions()
599 static void start_rmt_timer0(struct s_smc *smc, u_long value, int event)  in start_rmt_timer0()  argument
601 	smc->r.timer0_exp = FALSE ;		/* clear timer event flag */  in start_rmt_timer0()
602 	smt_timer_start(smc,&smc->r.rmt_timer0,value,EV_TOKEN(EVENT_RMT,event));  in start_rmt_timer0()
609 static void start_rmt_timer1(struct s_smc *smc, u_long value, int event)  in start_rmt_timer1()  argument
611 	smc->r.timer1_exp = FALSE ;	/* clear timer event flag */  in start_rmt_timer1()
612 	smt_timer_start(smc,&smc->r.rmt_timer1,value,EV_TOKEN(EVENT_RMT,event));  in start_rmt_timer1()
619 static void start_rmt_timer2(struct s_smc *smc, u_long value, int event)  in start_rmt_timer2()  argument
621 	smc->r.timer2_exp = FALSE ;		/* clear timer event flag */  in start_rmt_timer2()
622 	smt_timer_start(smc,&smc->r.rmt_timer2,value,EV_TOKEN(EVENT_RMT,event));  in start_rmt_timer2()
629 static void stop_rmt_timer0(struct s_smc *smc)  in stop_rmt_timer0()  argument
631 	if (smc->r.rmt_timer0.tm_active)  in stop_rmt_timer0()
632 		smt_timer_stop(smc,&smc->r.rmt_timer0) ;  in stop_rmt_timer0()
639 static void stop_rmt_timer1(struct s_smc *smc)  in stop_rmt_timer1()  argument
641 	if (smc->r.rmt_timer1.tm_active)  in stop_rmt_timer1()
642 		smt_timer_stop(smc,&smc->r.rmt_timer1) ;  in stop_rmt_timer1()
649 static void stop_rmt_timer2(struct s_smc *smc)  in stop_rmt_timer2()  argument
651 	if (smc->r.rmt_timer2.tm_active)  in stop_rmt_timer2()
652 		smt_timer_stop(smc,&smc->r.rmt_timer2) ;  in stop_rmt_timer2()