static void prop_actions(struct s_smc *smc)
{
	int	port_in = 0 ;
	int	port_out = 0 ;

	RS_SET(smc,RS_EVENT) ;
	switch (smc->s.sas) {
	case SMT_SAS :
		port_in = port_out = pcm_get_s_port(smc) ;
		break ;
	case SMT_DAS :
		port_in = cfm_get_mac_input(smc) ;	
		port_out = cfm_get_mac_output(smc) ;	
		break ;
	case SMT_NAC :
		SMT_PANIC(smc,SMT_E0108, SMT_E0108_MSG) ;
		return ;
	}

	DB_ECM("ECM : prop_actions - trace_prop %d\n", smc->e.trace_prop,0) ;
	DB_ECM("ECM : prop_actions - in %d out %d\n", port_in,port_out) ;

	if (smc->e.trace_prop & ENTITY_BIT(ENTITY_MAC)) {
		
		DB_ECM("ECM : initiate TRACE on PHY %c\n",'A'+port_in-PA,0) ;
		queue_event(smc,EVENT_PCM+port_in,PC_TRACE) ;
	}
	else if ((smc->e.trace_prop & ENTITY_BIT(ENTITY_PHY(PA))) &&
		port_out != PA) {
		
		DB_ECM("ECM : propagate TRACE on PHY B\n",0,0) ;
		queue_event(smc,EVENT_PCMB,PC_TRACE) ;
	}
	else if ((smc->e.trace_prop & ENTITY_BIT(ENTITY_PHY(PB))) &&
		port_out != PB) {
		
		DB_ECM("ECM : propagate TRACE on PHY A\n",0,0) ;
		queue_event(smc,EVENT_PCMA,PC_TRACE) ;
	}
	else {
		
		DB_ECM("ECM : TRACE terminated\n",0,0) ;
		smc->e.path_test = PT_PENDING ;
	}
	smc->e.trace_prop = 0 ;
}
static void prop_actions(struct s_smc *smc)
{
	int	initiator ;
	int	upstream ;
	int	p ;

	RS_SET(smc,RS_EVENT) ;
	while (smc->e.trace_prop) {
		DB_ECM("ECM : prop_actions - trace_prop %d\n",
			smc->e.trace_prop,0) ;

		if (smc->e.trace_prop & ENTITY_BIT(ENTITY_MAC)) {
			initiator = ENTITY_MAC ;
			smc->e.trace_prop &= ~ENTITY_BIT(ENTITY_MAC) ;
			DB_ECM("ECM: MAC initiates trace\n",0,0) ;
		}
		else {
			for (p = NUMPHYS-1 ; p >= 0 ; p--) {
				if (smc->e.trace_prop &
					ENTITY_BIT(ENTITY_PHY(p)))
					break ;
			}
			initiator = ENTITY_PHY(p) ;
			smc->e.trace_prop &= ~ENTITY_BIT(ENTITY_PHY(p)) ;
		}
		upstream = cem_get_upstream(smc,initiator) ;

		if (upstream == ENTITY_MAC) {
			
			DB_ECM("ECM : TRACE terminated\n",0,0) ;
			smc->e.path_test = PT_PENDING ;
		}
		else {
			
			DB_ECM("ECM : propagate TRACE on PHY %d\n",upstream,0) ;
			queue_event(smc,EVENT_PCM+upstream,PC_TRACE) ;
		}
	}
}
/*
	process RMT event
*/
static void rmt_fsm(struct s_smc *smc, int cmd)
{
	/*
	 * RM00-RM70 : from all states
	 */
	if (!smc->r.rm_join && !smc->r.rm_loop &&
		smc->mib.m[MAC0].fddiMACRMTState != ACTIONS(RM0_ISOLATED) &&
		smc->mib.m[MAC0].fddiMACRMTState != RM0_ISOLATED) {
		RS_SET(smc,RS_NORINGOP) ;
		rmt_indication(smc,0) ;
		GO_STATE(RM0_ISOLATED) ;
		return ;
	}

	switch(smc->mib.m[MAC0].fddiMACRMTState) {
	case ACTIONS(RM0_ISOLATED) :
		stop_rmt_timer0(smc) ;
		stop_rmt_timer1(smc) ;
		stop_rmt_timer2(smc) ;

		/*
		 * Disable MAC.
		 */
		sm_ma_control(smc,MA_OFFLINE) ;
		smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
		smc->r.loop_avail = FALSE ;
		smc->r.sm_ma_avail = FALSE ;
		smc->r.no_flag = TRUE ;
		DB_RMTN(1,"RMT : ISOLATED\n",0,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM0_ISOLATED :
		/*RM01*/
		if (smc->r.rm_join || smc->r.rm_loop) {
			/*
			 * According to the standard the MAC must be reset
			 * here. The FORMAC will be initialized and Claim
			 * and Beacon Frames will be uploaded to the MAC.
			 * So any change of Treq will take effect NOW.
			 */
			sm_ma_control(smc,MA_RESET) ;
			GO_STATE(RM1_NON_OP) ;
			break ;
		}
		break ;
	case ACTIONS(RM1_NON_OP) :
		start_rmt_timer0(smc,smc->s.rmt_t_non_op,RM_TIMEOUT_NON_OP) ;
		stop_rmt_timer1(smc) ;
		stop_rmt_timer2(smc) ;
		sm_ma_control(smc,MA_BEACON) ;
		DB_RMTN(1,"RMT : RING DOWN\n",0,0) ;
		RS_SET(smc,RS_NORINGOP) ;
		smc->r.sm_ma_avail = FALSE ;
		rmt_indication(smc,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM1_NON_OP :
		/*RM12*/
		if (cmd == RM_RING_OP) {
			RS_SET(smc,RS_RINGOPCHANGE) ;
			GO_STATE(RM2_RING_OP) ;
			break ;
		}
		/*RM13*/
		else if (cmd == RM_TIMEOUT_NON_OP) {
			smc->r.bn_flag = FALSE ;
			smc->r.no_flag = TRUE ;
			GO_STATE(RM3_DETECT) ;
			break ;
		}
		break ;
	case ACTIONS(RM2_RING_OP) :
		stop_rmt_timer0(smc) ;
		stop_rmt_timer1(smc) ;
		stop_rmt_timer2(smc) ;
		smc->r.no_flag = FALSE ;
		if (smc->r.rm_loop)
			smc->r.loop_avail = TRUE ;
		if (smc->r.rm_join) {
			smc->r.sm_ma_avail = TRUE ;
			if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;
				else
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
		}
		DB_RMTN(1,"RMT : RING UP\n",0,0) ;
		RS_CLEAR(smc,RS_NORINGOP) ;
		RS_SET(smc,RS_RINGOPCHANGE) ;
		rmt_indication(smc,1) ;
		smt_stat_counter(smc,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM2_RING_OP :
		/*RM21*/
		if (cmd == RM_RING_NON_OP) {
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
			smc->r.loop_avail = FALSE ;
			RS_SET(smc,RS_RINGOPCHANGE) ;
			GO_STATE(RM1_NON_OP) ;
			break ;
		}
		/*RM22a*/
		else if (cmd == RM_ENABLE_FLAG) {
			if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable)
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ;
				else
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
		}
		/*RM25*/
		else if (smc->r.dup_addr_test == DA_FAILED) {
			smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ;
			smc->r.loop_avail = FALSE ;
			smc->r.da_flag = TRUE ;
			GO_STATE(RM5_RING_OP_DUP) ;
			break ;
		}
		break ;
	case ACTIONS(RM3_DETECT) :
		start_rmt_timer0(smc,smc->s.mac_d_max*2,RM_TIMEOUT_D_MAX) ;
		start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;
		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
		sm_mac_check_beacon_claim(smc) ;
		DB_RMTN(1,"RMT : RM3_DETECT\n",0,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM3_DETECT :
		if (cmd == RM_TIMEOUT_POLL) {
			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
			sm_mac_check_beacon_claim(smc) ;
			break ;
		}
		if (cmd == RM_TIMEOUT_D_MAX) {
			smc->r.timer0_exp = TRUE ;
		}
		/*
		 *jd(22-Feb-1999)
		 * We need a time ">= 2*mac_d_max" since we had finished
		 * Claim or Beacon state. So we will restart timer0 at
		 * every state change.
		 */
		if (cmd == RM_TX_STATE_CHANGE) {
			start_rmt_timer0(smc,
					 smc->s.mac_d_max*2,
					 RM_TIMEOUT_D_MAX) ;
		}
		/*RM32*/
		if (cmd == RM_RING_OP) {
			GO_STATE(RM2_RING_OP) ;
			break ;
		}
		/*RM33a*/
		else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON)
			&& smc->r.bn_flag) {
			smc->r.bn_flag = FALSE ;
		}
		/*RM33b*/
		else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {
			int	tx ;
			/*
			 * set bn_flag only if in state T4 or T5:
			 * only if we're the beaconer should we start the
			 * trace !
			 */
			if ((tx =  sm_mac_get_tx_state(smc)) == 4 || tx == 5) {
			DB_RMTN(2,"RMT : DETECT && TRT_EXPIRED && T4/T5\n",0,0);
				smc->r.bn_flag = TRUE ;
				/*
				 * If one of the upstream stations beaconed
				 * and the link to the upstream neighbor is
				 * lost we need to restart the stuck timer to
				 * check the "stuck beacon" condition.
				 */
				start_rmt_timer1(smc,smc->s.rmt_t_stuck,
					RM_TIMEOUT_T_STUCK) ;
			}
			/*
			 * We do NOT need to clear smc->r.bn_flag in case of
			 * not being in state T4 or T5, because the flag
			 * must be cleared in order to get in this condition.
			 */

			DB_RMTN(2,
			"RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n",
			tx,smc->r.bn_flag) ;
		}
		/*RM34a*/
		else if (cmd == RM_MY_CLAIM && smc->r.timer0_exp) {
			rmt_new_dup_actions(smc) ;
			GO_STATE(RM4_NON_OP_DUP) ;
			break ;
		}
		/*RM34b*/
		else if (cmd == RM_MY_BEACON && smc->r.timer0_exp) {
			rmt_new_dup_actions(smc) ;
			GO_STATE(RM4_NON_OP_DUP) ;
			break ;
		}
		/*RM34c*/
		else if (cmd == RM_VALID_CLAIM) {
			rmt_new_dup_actions(smc) ;
			GO_STATE(RM4_NON_OP_DUP) ;
			break ;
		}
		/*RM36*/
		else if (cmd == RM_TIMEOUT_T_STUCK &&
			smc->r.rm_join && smc->r.bn_flag) {
			GO_STATE(RM6_DIRECTED) ;
			break ;
		}
		break ;
	case ACTIONS(RM4_NON_OP_DUP) :
		start_rmt_timer0(smc,smc->s.rmt_t_announce,RM_TIMEOUT_ANNOUNCE);
		start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ;
		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
		sm_mac_check_beacon_claim(smc) ;
		DB_RMTN(1,"RMT : RM4_NON_OP_DUP\n",0,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM4_NON_OP_DUP :
		if (cmd == RM_TIMEOUT_POLL) {
			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
			sm_mac_check_beacon_claim(smc) ;
			break ;
		}
		/*RM41*/
		if (!smc->r.da_flag) {
			GO_STATE(RM1_NON_OP) ;
			break ;
		}
		/*RM44a*/
		else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
			smc->r.bn_flag) {
			smc->r.bn_flag = FALSE ;
		}
		/*RM44b*/
		else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) {
			int	tx ;
			/*
			 * set bn_flag only if in state T4 or T5:
			 * only if we're the beaconer should we start the
			 * trace !
			 */
			if ((tx =  sm_mac_get_tx_state(smc)) == 4 || tx == 5) {
			DB_RMTN(2,"RMT : NOPDUP && TRT_EXPIRED && T4/T5\n",0,0);
				smc->r.bn_flag = TRUE ;
				/*
				 * If one of the upstream stations beaconed
				 * and the link to the upstream neighbor is
				 * lost we need to restart the stuck timer to
				 * check the "stuck beacon" condition.
				 */
				start_rmt_timer1(smc,smc->s.rmt_t_stuck,
					RM_TIMEOUT_T_STUCK) ;
			}
			/*
			 * We do NOT need to clear smc->r.bn_flag in case of
			 * not being in state T4 or T5, because the flag
			 * must be cleared in order to get in this condition.
			 */

			DB_RMTN(2,
			"RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n",
			tx,smc->r.bn_flag) ;
		}
		/*RM44c*/
		else if (cmd == RM_TIMEOUT_ANNOUNCE && !smc->r.bn_flag) {
			rmt_dup_actions(smc) ;
		}
		/*RM45*/
		else if (cmd == RM_RING_OP) {
			smc->r.no_flag = FALSE ;
			GO_STATE(RM5_RING_OP_DUP) ;
			break ;
		}
		/*RM46*/
		else if (cmd == RM_TIMEOUT_T_STUCK &&
			smc->r.rm_join && smc->r.bn_flag) {
			GO_STATE(RM6_DIRECTED) ;
			break ;
		}
		break ;
	case ACTIONS(RM5_RING_OP_DUP) :
		stop_rmt_timer0(smc) ;
		stop_rmt_timer1(smc) ;
		stop_rmt_timer2(smc) ;
		DB_RMTN(1,"RMT : RM5_RING_OP_DUP\n",0,0) ;
		ACTIONS_DONE() ;
		break;
	case RM5_RING_OP_DUP :
		/*RM52*/
		if (smc->r.dup_addr_test == DA_PASSED) {
			smc->r.da_flag = FALSE ;
			GO_STATE(RM2_RING_OP) ;
			break ;
		}
		/*RM54*/
		else if (cmd == RM_RING_NON_OP) {
			smc->r.jm_flag = FALSE ;
			smc->r.bn_flag = FALSE ;
			GO_STATE(RM4_NON_OP_DUP) ;
			break ;
		}
		break ;
	case ACTIONS(RM6_DIRECTED) :
		start_rmt_timer0(smc,smc->s.rmt_t_direct,RM_TIMEOUT_T_DIRECT) ;
		stop_rmt_timer1(smc) ;
		start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ;
		sm_ma_control(smc,MA_DIRECTED) ;
		RS_SET(smc,RS_BEACON) ;
		DB_RMTN(1,"RMT : RM6_DIRECTED\n",0,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM6_DIRECTED :
		/*RM63*/
		if (cmd == RM_TIMEOUT_POLL) {
			start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL);
			sm_mac_check_beacon_claim(smc) ;
#ifndef SUPERNET_3
			/* Because of problems with the Supernet II chip set
			 * sending of Directed Beacon will stop after 165ms
			 * therefore restart_trt_for_dbcn(smc) will be called
			 * to prevent this.
			 */
			restart_trt_for_dbcn(smc) ;
#endif /*SUPERNET_3*/
			break ;
		}
		if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
			!smc->r.da_flag) {
			smc->r.bn_flag = FALSE ;
			GO_STATE(RM3_DETECT) ;
			break ;
		}
		/*RM64*/
		else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) &&
			smc->r.da_flag) {
			smc->r.bn_flag = FALSE ;
			GO_STATE(RM4_NON_OP_DUP) ;
			break ;
		}
		/*RM67*/
		else if (cmd == RM_TIMEOUT_T_DIRECT) {
			GO_STATE(RM7_TRACE) ;
			break ;
		}
		break ;
	case ACTIONS(RM7_TRACE) :
		stop_rmt_timer0(smc) ;
		stop_rmt_timer1(smc) ;
		stop_rmt_timer2(smc) ;
		smc->e.trace_prop |= ENTITY_BIT(ENTITY_MAC) ;
		queue_event(smc,EVENT_ECM,EC_TRACE_PROP) ;
		DB_RMTN(1,"RMT : RM7_TRACE\n",0,0) ;
		ACTIONS_DONE() ;
		break ;
	case RM7_TRACE :
		break ;
	default:
		SMT_PANIC(smc,SMT_E0122, SMT_E0122_MSG) ;
		break;
	}
}