Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 2097 insertions, 0 deletions

diff --git a/drivers/net/skfp/smt.c b/drivers/net/skfp/smt.c
new file mode 100644
index 000000000000..71935eaf9d4e
--- /dev/null
+++ b/drivers/net/skfp/smt.c
@@ -0,0 +1,2097 @@
+/******************************************************************************
+ *
+ *	(C)Copyright 1998,1999 SysKonnect,
+ *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
+ *
+ *	See the file "skfddi.c" for further information.
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	The information in this file is provided "AS IS" without warranty.
+ *
+ ******************************************************************************/
+
+#include "h/types.h"
+#include "h/fddi.h"
+#include "h/smc.h"
+#include "h/smt_p.h"
+
+#define KERNEL
+#include "h/smtstate.h"
+
+#ifndef	lint
+static const char ID_sccs[] = "@(#)smt.c	2.43 98/11/23 (C) SK " ;
+#endif
+
+extern const u_char canonical[256] ;
+
+/*
+ * FC in SMbuf
+ */
+#define m_fc(mb)	((mb)->sm_data[0])
+
+#define SMT_TID_MAGIC	0x1f0a7b3c
+
+#ifdef	DEBUG
+static const char *const smt_type_name[] = {
+	"SMT_00??", "SMT_INFO", "SMT_02??", "SMT_03??",
+	"SMT_04??", "SMT_05??", "SMT_06??", "SMT_07??",
+	"SMT_08??", "SMT_09??", "SMT_0A??", "SMT_0B??",
+	"SMT_0C??", "SMT_0D??", "SMT_0E??", "SMT_NSA"
+} ;
+
+static const char *const smt_class_name[] = {
+	"UNKNOWN","NIF","SIF_CONFIG","SIF_OPER","ECF","RAF","RDF",
+	"SRF","PMF_GET","PMF_SET","ESF"
+} ;
+#endif
+#define LAST_CLASS	(SMT_PMF_SET)
+
+static const struct fddi_addr SMT_Unknown = {
+	{ 0,0,0x1f,0,0,0 }
+} ;
+
+/*
+ * external variables
+ */
+extern const struct fddi_addr fddi_broadcast ;
+
+/*
+ * external functions
+ */
+int pcm_status_twisted(struct s_smc *smc);
+
+/*
+ * function prototypes
+ */
+#ifdef	LITTLE_ENDIAN
+static int smt_swap_short(u_short s);
+#endif
+static int mac_index(struct s_smc *smc, int mac);
+static int phy_index(struct s_smc *smc, int phy);
+static int mac_con_resource_index(struct s_smc *smc, int mac);
+static int phy_con_resource_index(struct s_smc *smc, int phy);
+static void smt_send_rdf(struct s_smc *smc, SMbuf *rej, int fc, int reason,
+			 int local);
+static void smt_send_nif(struct s_smc *smc, const struct fddi_addr *dest, 
+			 int fc, u_long tid, int type, int local);
+static void smt_send_ecf(struct s_smc *smc, struct fddi_addr *dest, int fc,
+                         u_long tid, int type, int len);
+static void smt_echo_test(struct s_smc *smc, int dna);
+static void smt_send_sif_config(struct s_smc *smc, struct fddi_addr *dest,
+				u_long tid, int local);
+static void smt_send_sif_operation(struct s_smc *smc, struct fddi_addr *dest,
+				   u_long tid, int local);
+#ifdef LITTLE_ENDIAN
+static void smt_string_swap(void);
+#endif
+static void smt_add_frame_len(SMbuf *mb, int len);
+static void smt_fill_una(struct s_smc *smc, struct smt_p_una *una);
+static void smt_fill_sde(struct s_smc *smc, struct smt_p_sde *sde);
+static void smt_fill_state(struct s_smc *smc, struct smt_p_state *state);
+static void smt_fill_timestamp(struct s_smc *smc, struct smt_p_timestamp *ts);
+static void smt_fill_policy(struct s_smc *smc, struct smt_p_policy *policy);
+static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency);
+static void smt_fill_neighbor(struct s_smc *smc, struct smt_p_neighbor *neighbor);
+static int smt_fill_path(struct s_smc *smc, struct smt_p_path *path);
+static void smt_fill_mac_status(struct s_smc *smc, struct smt_p_mac_status *st);
+static void smt_fill_lem(struct s_smc *smc, struct smt_p_lem *lem, int phy);
+static void smt_fill_version(struct s_smc *smc, struct smt_p_version *vers);
+static void smt_fill_fsc(struct s_smc *smc, struct smt_p_fsc *fsc);
+static void smt_fill_mac_counter(struct s_smc *smc, struct smt_p_mac_counter *mc);
+static void smt_fill_mac_fnc(struct s_smc *smc, struct smt_p_mac_fnc *fnc);
+static void smt_fill_manufacturer(struct s_smc *smc, 
+				  struct smp_p_manufacturer *man);
+static void smt_fill_user(struct s_smc *smc, struct smp_p_user *user);
+static void smt_fill_setcount(struct s_smc *smc, struct smt_p_setcount *setcount);
+static void smt_fill_echo(struct s_smc *smc, struct smt_p_echo *echo, u_long seed,
+			  int len);
+
+void smt_clear_una_dna(struct s_smc *smc);
+static void smt_clear_old_una_dna(struct s_smc *smc);
+#ifdef	CONCENTRATOR
+static int entity_to_index(void);
+#endif
+static void update_dac(struct s_smc *smc, int report);
+static int div_ratio(u_long upper, u_long lower);
+#ifdef  USE_CAN_ADDR
+void	hwm_conv_can(struct s_smc *smc, char *data, int len);
+#else
+#define		hwm_conv_can(smc,data,len)
+#endif
+
+
+static inline int is_my_addr(const struct s_smc *smc, 
+			     const struct fddi_addr *addr)
+{
+	return(*(short *)(&addr->a[0]) ==
+		*(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[0])
+	  && *(short *)(&addr->a[2]) ==
+		*(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[2])
+	  && *(short *)(&addr->a[4]) ==
+		*(short *)(&smc->mib.m[MAC0].fddiMACSMTAddress.a[4])) ;
+}
+
+static inline int is_broadcast(const struct fddi_addr *addr)
+{
+	return(*(u_short *)(&addr->a[0]) == 0xffff &&
+	       *(u_short *)(&addr->a[2]) == 0xffff &&
+	       *(u_short *)(&addr->a[4]) == 0xffff ) ;
+}
+
+static inline int is_individual(const struct fddi_addr *addr)
+{
+	return(!(addr->a[0] & GROUP_ADDR)) ;
+}
+
+static inline int is_equal(const struct fddi_addr *addr1, 
+			   const struct fddi_addr *addr2)
+{
+	return(*(u_short *)(&addr1->a[0]) == *(u_short *)(&addr2->a[0]) &&
+	       *(u_short *)(&addr1->a[2]) == *(u_short *)(&addr2->a[2]) &&
+	       *(u_short *)(&addr1->a[4]) == *(u_short *)(&addr2->a[4]) ) ;
+}
+
+/*
+ * list of mandatory paras in frames
+ */
+static const u_short plist_nif[] = { SMT_P_UNA,SMT_P_SDE,SMT_P_STATE,0 } ;
+
+/*
+ * init SMT agent
+ */
+void smt_agent_init(struct s_smc *smc)
+{
+	int		i ;
+
+	/*
+	 * get MAC address
+	 */
+	smc->mib.m[MAC0].fddiMACSMTAddress = smc->hw.fddi_home_addr ;
+
+	/*
+	 * get OUI address from driver (bia == built-in-address)
+	 */
+	smc->mib.fddiSMTStationId.sid_oem[0] = 0 ;
+	smc->mib.fddiSMTStationId.sid_oem[1] = 0 ;
+	driver_get_bia(smc,&smc->mib.fddiSMTStationId.sid_node) ;
+	for (i = 0 ; i < 6 ; i ++) {
+		smc->mib.fddiSMTStationId.sid_node.a[i] =
+			canonical[smc->mib.fddiSMTStationId.sid_node.a[i]] ;
+	}
+	smc->mib.fddiSMTManufacturerData[0] =
+		smc->mib.fddiSMTStationId.sid_node.a[0] ;
+	smc->mib.fddiSMTManufacturerData[1] =
+		smc->mib.fddiSMTStationId.sid_node.a[1] ;
+	smc->mib.fddiSMTManufacturerData[2] =
+		smc->mib.fddiSMTStationId.sid_node.a[2] ;
+	smc->sm.smt_tid = 0 ;
+	smc->mib.m[MAC0].fddiMACDupAddressTest = DA_NONE ;
+	smc->mib.m[MAC0].fddiMACUNDA_Flag = FALSE ;
+#ifndef	SLIM_SMT
+	smt_clear_una_dna(smc) ;
+	smt_clear_old_una_dna(smc) ;
+#endif
+	for (i = 0 ; i < SMT_MAX_TEST ; i++)
+		smc->sm.pend[i] = 0 ;
+	smc->sm.please_reconnect = 0 ;
+	smc->sm.uniq_ticks = 0 ;
+}
+
+/*
+ * SMT task
+ * forever
+ *	delay 30 seconds
+ *	send NIF
+ *	check tvu & tvd
+ * end
+ */
+void smt_agent_task(struct s_smc *smc)
+{
+	smt_timer_start(smc,&smc->sm.smt_timer, (u_long)1000000L,
+		EV_TOKEN(EVENT_SMT,SM_TIMER)) ;
+	DB_SMT("SMT agent task\n",0,0) ;
+}
+
+void smt_please_reconnect(struct s_smc *smc, int reconn_time)
+/* struct s_smc	*smc;  Pointer to SMT context */
+/* int reconn_time;    Wait for reconnect time in seconds */
+{
+	/*
+	 * The please reconnect variable is used as a timer.
+	 * It is decremented each time smt_event is called.
+	 * This happens every second or when smt_force_irq is called.
+	 * Note: smt_force_irq () is called on some packet receives and
+	 *       when a multicast address is changed. Since nothing
+	 *       is received during the disconnect and the multicast
+	 *       address changes can be viewed as not very often and
+	 *       the timer runs out close to its given value
+	 *       (reconn_time).
+	 */
+	smc->sm.please_reconnect = reconn_time ;
+}
+
+#ifndef SMT_REAL_TOKEN_CT
+void smt_emulate_token_ct(struct s_smc *smc, int mac_index)
+{
+	u_long	count;
+	u_long	time;
+
+
+	time = smt_get_time();
+	count =	((time - smc->sm.last_tok_time[mac_index]) *
+					100)/TICKS_PER_SECOND;
+
+	/*
+	 * Only when ring is up we will have a token count. The
+	 * flag is unfortunatly a single instance value. This
+	 * doesn't matter now, because we currently have only
+	 * one MAC instance.
+	 */
+	if (smc->hw.mac_ring_is_up){
+		smc->mib.m[mac_index].fddiMACToken_Ct += count;
+	}
+
+	/* Remember current time */
+	smc->sm.last_tok_time[mac_index] = time;
+
+}
+#endif
+
+/*ARGSUSED1*/
+void smt_event(struct s_smc *smc, int event)
+{
+	u_long		time ;
+#ifndef SMT_REAL_TOKEN_CT
+	int		i ;
+#endif
+
+
+	if (smc->sm.please_reconnect) {
+		smc->sm.please_reconnect -- ;
+		if (smc->sm.please_reconnect == 0) {
+			/* Counted down */
+			queue_event(smc,EVENT_ECM,EC_CONNECT) ;
+		}
+	}
+
+	if (event == SM_FAST)
+		return ;
+
+	/*
+	 * timer for periodic cleanup in driver
+	 * reset and start the watchdog (FM2)
+	 * ESS timer
+	 * SBA timer
+	 */
+	smt_timer_poll(smc) ;
+	smt_start_watchdog(smc) ;
+#ifndef	SLIM_SMT
+#ifndef BOOT
+#ifdef	ESS
+	ess_timer_poll(smc) ;
+#endif
+#endif
+#ifdef	SBA
+	sba_timer_poll(smc) ;
+#endif
+
+	smt_srf_event(smc,0,0,0) ;
+
+#endif	/* no SLIM_SMT */
+
+	time = smt_get_time() ;
+
+	if (time - smc->sm.smt_last_lem >= TICKS_PER_SECOND*8) {
+		/*
+		 * Use 8 sec. for the time intervall, it simplifies the
+		 * LER estimation.
+		 */
+		struct fddi_mib_m	*mib ;
+		u_long			upper ;
+		u_long			lower ;
+		int			cond ;
+		int			port;
+		struct s_phy		*phy ;
+		/*
+		 * calculate LEM bit error rate
+		 */
+		sm_lem_evaluate(smc) ;
+		smc->sm.smt_last_lem = time ;
+
+		/*
+		 * check conditions
+		 */
+#ifndef	SLIM_SMT
+		mac_update_counter(smc) ;
+		mib = smc->mib.m ;
+		upper =
+		(mib->fddiMACLost_Ct - mib->fddiMACOld_Lost_Ct) +
+		(mib->fddiMACError_Ct - mib->fddiMACOld_Error_Ct) ;
+		lower =
+		(mib->fddiMACFrame_Ct - mib->fddiMACOld_Frame_Ct) +
+		(mib->fddiMACLost_Ct - mib->fddiMACOld_Lost_Ct) ;
+		mib->fddiMACFrameErrorRatio = div_ratio(upper,lower) ;
+
+		cond =
+			((!mib->fddiMACFrameErrorThreshold &&
+			mib->fddiMACError_Ct != mib->fddiMACOld_Error_Ct) ||
+			(mib->fddiMACFrameErrorRatio >
+			mib->fddiMACFrameErrorThreshold)) ;
+
+		if (cond != mib->fddiMACFrameErrorFlag)
+			smt_srf_event(smc,SMT_COND_MAC_FRAME_ERROR,
+				INDEX_MAC,cond) ;
+
+		upper =
+		(mib->fddiMACNotCopied_Ct - mib->fddiMACOld_NotCopied_Ct) ;
+		lower =
+		upper +
+		(mib->fddiMACCopied_Ct - mib->fddiMACOld_Copied_Ct) ;
+		mib->fddiMACNotCopiedRatio = div_ratio(upper,lower) ;
+
+		cond =
+			((!mib->fddiMACNotCopiedThreshold &&
+			mib->fddiMACNotCopied_Ct !=
+				mib->fddiMACOld_NotCopied_Ct)||
+			(mib->fddiMACNotCopiedRatio >
+			mib->fddiMACNotCopiedThreshold)) ;
+
+		if (cond != mib->fddiMACNotCopiedFlag)
+			smt_srf_event(smc,SMT_COND_MAC_NOT_COPIED,
+				INDEX_MAC,cond) ;
+
+		/*
+		 * set old values
+		 */
+		mib->fddiMACOld_Frame_Ct = mib->fddiMACFrame_Ct ;
+		mib->fddiMACOld_Copied_Ct = mib->fddiMACCopied_Ct ;
+		mib->fddiMACOld_Error_Ct = mib->fddiMACError_Ct ;
+		mib->fddiMACOld_Lost_Ct = mib->fddiMACLost_Ct ;
+		mib->fddiMACOld_NotCopied_Ct = mib->fddiMACNotCopied_Ct ;
+
+		/*
+		 * Check port EBError Condition
+		 */
+		for (port = 0; port < NUMPHYS; port ++) {
+			phy = &smc->y[port] ;
+
+			if (!phy->mib->fddiPORTHardwarePresent) {
+				continue;
+			}
+
+			cond = (phy->mib->fddiPORTEBError_Ct -
+				phy->mib->fddiPORTOldEBError_Ct > 5) ;
+
+			/* If ratio is more than 5 in 8 seconds
+			 * Set the condition.
+			 */
+			smt_srf_event(smc,SMT_COND_PORT_EB_ERROR,
+				(int) (INDEX_PORT+ phy->np) ,cond) ;
+
+			/*
+			 * set old values
+			 */
+			phy->mib->fddiPORTOldEBError_Ct =
+				phy->mib->fddiPORTEBError_Ct ;
+		}
+
+#endif	/* no SLIM_SMT */
+	}
+
+#ifndef	SLIM_SMT
+
+	if (time - smc->sm.smt_last_notify >= (u_long)
+		(smc->mib.fddiSMTTT_Notify * TICKS_PER_SECOND) ) {
+		/*
+		 * we can either send an announcement or a request
+		 * a request will trigger a reply so that we can update
+		 * our dna
+		 * note: same tid must be used until reply is received
+		 */
+		if (!smc->sm.pend[SMT_TID_NIF])
+			smc->sm.pend[SMT_TID_NIF] = smt_get_tid(smc) ;
+		smt_send_nif(smc,&fddi_broadcast, FC_SMT_NSA,
+			smc->sm.pend[SMT_TID_NIF], SMT_REQUEST,0) ;
+		smc->sm.smt_last_notify = time ;
+	}
+
+	/*
+	 * check timer
+	 */
+	if (smc->sm.smt_tvu &&
+	    time - smc->sm.smt_tvu > 228*TICKS_PER_SECOND) {
+		DB_SMT("SMT : UNA expired\n",0,0) ;
+		smc->sm.smt_tvu = 0 ;
+
+		if (!is_equal(&smc->mib.m[MAC0].fddiMACUpstreamNbr,
+			&SMT_Unknown)){
+			/* Do not update unknown address */
+			smc->mib.m[MAC0].fddiMACOldUpstreamNbr=
+				smc->mib.m[MAC0].fddiMACUpstreamNbr ;
+		}
+		smc->mib.m[MAC0].fddiMACUpstreamNbr = SMT_Unknown ;
+		smc->mib.m[MAC0].fddiMACUNDA_Flag = FALSE ;
+		/*
+		 * Make sure the fddiMACUNDA_Flag = FALSE is
+		 * included in the SRF so we don't generate
+		 * a separate SRF for the deassertion of this
+		 * condition
+		 */
+		update_dac(smc,0) ;
+		smt_srf_event(smc, SMT_EVENT_MAC_NEIGHBOR_CHANGE,
+			INDEX_MAC,0) ;
+	}
+	if (smc->sm.smt_tvd &&
+	    time - smc->sm.smt_tvd > 228*TICKS_PER_SECOND) {
+		DB_SMT("SMT : DNA expired\n",0,0) ;
+		smc->sm.smt_tvd = 0 ;
+		if (!is_equal(&smc->mib.m[MAC0].fddiMACDownstreamNbr,
+			&SMT_Unknown)){
+			/* Do not update unknown address */
+			smc->mib.m[MAC0].fddiMACOldDownstreamNbr=
+				smc->mib.m[MAC0].fddiMACDownstreamNbr ;
+		}
+		smc->mib.m[MAC0].fddiMACDownstreamNbr = SMT_Unknown ;
+		smt_srf_event(smc, SMT_EVENT_MAC_NEIGHBOR_CHANGE,
+			INDEX_MAC,0) ;
+	}
+
+#endif	/* no SLIM_SMT */
+
+#ifndef SMT_REAL_TOKEN_CT
+	/*
+	 * Token counter emulation section. If hardware supports the token
+	 * count, the token counter will be updated in mac_update_counter.
+	 */
+	for (i = MAC0; i < NUMMACS; i++ ){
+		if (time - smc->sm.last_tok_time[i] > 2*TICKS_PER_SECOND ){
+			smt_emulate_token_ct( smc, i );
+		}
+	}
+#endif
+
+	smt_timer_start(smc,&smc->sm.smt_timer, (u_long)1000000L,
+		EV_TOKEN(EVENT_SMT,SM_TIMER)) ;
+}
+
+static int div_ratio(u_long upper, u_long lower)
+{
+	if ((upper<<16L) < upper)
+		upper = 0xffff0000L ;
+	else
+		upper <<= 16L ;
+	if (!lower)
+		return(0) ;
+	return((int)(upper/lower)) ;
+}
+
+#ifndef	SLIM_SMT
+
+/*
+ * receive packet handler
+ */
+void smt_received_pack(struct s_smc *smc, SMbuf *mb, int fs)
+/* int fs;  frame status */
+{
+	struct smt_header	*sm ;
+	int			local ;
+
+	int			illegal = 0 ;
+
+	switch (m_fc(mb)) {
+	case FC_SMT_INFO :
+	case FC_SMT_LAN_LOC :
+	case FC_SMT_LOC :
+	case FC_SMT_NSA :
+		break ;
+	default :
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+
+	smc->mib.m[MAC0].fddiMACSMTCopied_Ct++ ;
+	sm = smtod(mb,struct smt_header *) ;
+	local = ((fs & L_INDICATOR) != 0) ;
+	hwm_conv_can(smc,(char *)sm,12) ;
+
+	/* check destination address */
+	if (is_individual(&sm->smt_dest) && !is_my_addr(smc,&sm->smt_dest)) {
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+#if	0		/* for DUP recognition, do NOT filter them */
+	/* ignore loop back packets */
+	if (is_my_addr(smc,&sm->smt_source) && !local) {
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+#endif
+
+	smt_swap_para(sm,(int) mb->sm_len,1) ;
+	DB_SMT("SMT : received packet [%s] at 0x%x\n",
+		smt_type_name[m_fc(mb) & 0xf],sm) ;
+	DB_SMT("SMT : version %d, class %s\n",sm->smt_version,
+		smt_class_name[(sm->smt_class>LAST_CLASS)?0 : sm->smt_class]) ;
+
+#ifdef	SBA
+	/*
+	 * check if NSA frame
+	 */
+	if (m_fc(mb) == FC_SMT_NSA && sm->smt_class == SMT_NIF &&
+		(sm->smt_type == SMT_ANNOUNCE || sm->smt_type == SMT_REQUEST)) {
+			smc->sba.sm = sm ;
+			sba(smc,NIF) ;
+	}
+#endif
+
+	/*
+	 * ignore any packet with NSA and A-indicator set
+	 */
+	if ( (fs & A_INDICATOR) && m_fc(mb) == FC_SMT_NSA) {
+		DB_SMT("SMT : ignoring NSA with A-indicator set from %s\n",
+			addr_to_string(&sm->smt_source),0) ;
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+
+	/*
+	 * ignore frames with illegal length
+	 */
+	if (((sm->smt_class == SMT_ECF) && (sm->smt_len > SMT_MAX_ECHO_LEN)) ||
+	    ((sm->smt_class != SMT_ECF) && (sm->smt_len > SMT_MAX_INFO_LEN))) {
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+
+	/*
+	 * check SMT version
+	 */
+	switch (sm->smt_class) {
+	case SMT_NIF :
+	case SMT_SIF_CONFIG :
+	case SMT_SIF_OPER :
+	case SMT_ECF :
+		if (sm->smt_version != SMT_VID)
+			illegal = 1;
+		break ;
+	default :
+		if (sm->smt_version != SMT_VID_2)
+			illegal = 1;
+		break ;
+	}
+	if (illegal) {
+		DB_SMT("SMT : version = %d, dest = %s\n",
+			sm->smt_version,addr_to_string(&sm->smt_source)) ;
+		smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_VERSION,local) ;
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+	if ((sm->smt_len > mb->sm_len - sizeof(struct smt_header)) ||
+	    ((sm->smt_len & 3) && (sm->smt_class != SMT_ECF))) {
+		DB_SMT("SMT: info length error, len = %d\n",sm->smt_len,0) ;
+		smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_LENGTH,local) ;
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+	switch (sm->smt_class) {
+	case SMT_NIF :
+		if (smt_check_para(smc,sm,plist_nif)) {
+			DB_SMT("SMT: NIF with para problem, ignoring\n",0,0) ;
+			break ;
+		} ;
+		switch (sm->smt_type) {
+		case SMT_ANNOUNCE :
+		case SMT_REQUEST :
+			if (!(fs & C_INDICATOR) && m_fc(mb) == FC_SMT_NSA
+				&& is_broadcast(&sm->smt_dest)) {
+				struct smt_p_state	*st ;
+
+				/* set my UNA */
+				if (!is_equal(
+					&smc->mib.m[MAC0].fddiMACUpstreamNbr,
+					&sm->smt_source)) {
+					DB_SMT("SMT : updated my UNA = %s\n",
+					addr_to_string(&sm->smt_source),0) ;
+					if (!is_equal(&smc->mib.m[MAC0].
+					    fddiMACUpstreamNbr,&SMT_Unknown)){
+					 /* Do not update unknown address */
+					 smc->mib.m[MAC0].fddiMACOldUpstreamNbr=
+					 smc->mib.m[MAC0].fddiMACUpstreamNbr ;
+					}
+
+					smc->mib.m[MAC0].fddiMACUpstreamNbr =
+						sm->smt_source ;
+					smt_srf_event(smc,
+						SMT_EVENT_MAC_NEIGHBOR_CHANGE,
+						INDEX_MAC,0) ;
+					smt_echo_test(smc,0) ;
+				}
+				smc->sm.smt_tvu = smt_get_time() ;
+				st = (struct smt_p_state *)
+					sm_to_para(smc,sm,SMT_P_STATE) ;
+				if (st) {
+					smc->mib.m[MAC0].fddiMACUNDA_Flag =
+					(st->st_dupl_addr & SMT_ST_MY_DUPA) ?
+					TRUE : FALSE ;
+					update_dac(smc,1) ;
+				}
+			}
+			if ((sm->smt_type == SMT_REQUEST) &&
+			    is_individual(&sm->smt_source) &&
+			    ((!(fs & A_INDICATOR) && m_fc(mb) == FC_SMT_NSA) ||
+			     (m_fc(mb) != FC_SMT_NSA))) {
+				DB_SMT("SMT : replying to NIF request %s\n",
+					addr_to_string(&sm->smt_source),0) ;
+				smt_send_nif(smc,&sm->smt_source,
+					FC_SMT_INFO,
+					sm->smt_tid,
+					SMT_REPLY,local) ;
+			}
+			break ;
+		case SMT_REPLY :
+			DB_SMT("SMT : received NIF response from %s\n",
+				addr_to_string(&sm->smt_source),0) ;
+			if (fs & A_INDICATOR) {
+				smc->sm.pend[SMT_TID_NIF] = 0 ;
+				DB_SMT("SMT : duplicate address\n",0,0) ;
+				smc->mib.m[MAC0].fddiMACDupAddressTest =
+					DA_FAILED ;
+				smc->r.dup_addr_test = DA_FAILED ;
+				queue_event(smc,EVENT_RMT,RM_DUP_ADDR) ;
+				smc->mib.m[MAC0].fddiMACDA_Flag = TRUE ;
+				update_dac(smc,1) ;
+				break ;
+			}
+			if (sm->smt_tid == smc->sm.pend[SMT_TID_NIF]) {
+				smc->sm.pend[SMT_TID_NIF] = 0 ;
+				/* set my DNA */
+				if (!is_equal(
+					&smc->mib.m[MAC0].fddiMACDownstreamNbr,
+					&sm->smt_source)) {
+					DB_SMT("SMT : updated my DNA\n",0,0) ;
+					if (!is_equal(&smc->mib.m[MAC0].
+					 fddiMACDownstreamNbr, &SMT_Unknown)){
+					 /* Do not update unknown address */
+				smc->mib.m[MAC0].fddiMACOldDownstreamNbr =
+					 smc->mib.m[MAC0].fddiMACDownstreamNbr ;
+					}
+
+					smc->mib.m[MAC0].fddiMACDownstreamNbr =
+						sm->smt_source ;
+					smt_srf_event(smc,
+						SMT_EVENT_MAC_NEIGHBOR_CHANGE,
+						INDEX_MAC,0) ;
+					smt_echo_test(smc,1) ;
+				}
+				smc->mib.m[MAC0].fddiMACDA_Flag = FALSE ;
+				update_dac(smc,1) ;
+				smc->sm.smt_tvd = smt_get_time() ;
+				smc->mib.m[MAC0].fddiMACDupAddressTest =
+					DA_PASSED ;
+				if (smc->r.dup_addr_test != DA_PASSED) {
+					smc->r.dup_addr_test = DA_PASSED ;
+					queue_event(smc,EVENT_RMT,RM_DUP_ADDR) ;
+				}
+			}
+			else if (sm->smt_tid ==
+				smc->sm.pend[SMT_TID_NIF_TEST]) {
+				DB_SMT("SMT : NIF test TID ok\n",0,0) ;
+			}
+			else {
+				DB_SMT("SMT : expected TID %lx, got %lx\n",
+				smc->sm.pend[SMT_TID_NIF],sm->smt_tid) ;
+			}
+			break ;
+		default :
+			illegal = 2 ;
+			break ;
+		}
+		break ;
+	case SMT_SIF_CONFIG :	/* station information */
+		if (sm->smt_type != SMT_REQUEST)
+			break ;
+		DB_SMT("SMT : replying to SIF Config request from %s\n",
+			addr_to_string(&sm->smt_source),0) ;
+		smt_send_sif_config(smc,&sm->smt_source,sm->smt_tid,local) ;
+		break ;
+	case SMT_SIF_OPER :	/* station information */
+		if (sm->smt_type != SMT_REQUEST)
+			break ;
+		DB_SMT("SMT : replying to SIF Operation request from %s\n",
+			addr_to_string(&sm->smt_source),0) ;
+		smt_send_sif_operation(smc,&sm->smt_source,sm->smt_tid,local) ;
+		break ;
+	case SMT_ECF :		/* echo frame */
+		switch (sm->smt_type) {
+		case SMT_REPLY :
+			smc->mib.priv.fddiPRIVECF_Reply_Rx++ ;
+			DB_SMT("SMT: received ECF reply from %s\n",
+				addr_to_string(&sm->smt_source),0) ;
+			if (sm_to_para(smc,sm,SMT_P_ECHODATA) == 0) {
+				DB_SMT("SMT: ECHODATA missing\n",0,0) ;
+				break ;
+			}
+			if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF]) {
+				DB_SMT("SMT : ECF test TID ok\n",0,0) ;
+			}
+			else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_UNA]) {
+				DB_SMT("SMT : ECF test UNA ok\n",0,0) ;
+			}
+			else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_DNA]) {
+				DB_SMT("SMT : ECF test DNA ok\n",0,0) ;
+			}
+			else {
+				DB_SMT("SMT : expected TID %lx, got %lx\n",
+					smc->sm.pend[SMT_TID_ECF],
+					sm->smt_tid) ;
+			}
+			break ;
+		case SMT_REQUEST :
+			smc->mib.priv.fddiPRIVECF_Req_Rx++ ;
+			{
+			if (sm->smt_len && !sm_to_para(smc,sm,SMT_P_ECHODATA)) {
+			DB_SMT("SMT: ECF with para problem,sending RDF\n",0,0) ;
+				smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_LENGTH,
+					local) ;
+				break ;
+			}
+			DB_SMT("SMT - sending ECF reply to %s\n",
+				addr_to_string(&sm->smt_source),0) ;
+
+			/* set destination addr.  & reply */
+			sm->smt_dest = sm->smt_source ;
+			sm->smt_type = SMT_REPLY ;
+			dump_smt(smc,sm,"ECF REPLY") ;
+			smc->mib.priv.fddiPRIVECF_Reply_Tx++ ;
+			smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
+			return ;		/* DON'T free mbuf */
+			}
+		default :
+			illegal = 1 ;
+			break ;
+		}
+		break ;
+#ifndef	BOOT
+	case SMT_RAF :		/* resource allocation */
+#ifdef	ESS
+		DB_ESSN(2,"ESS: RAF frame received\n",0,0) ;
+		fs = ess_raf_received_pack(smc,mb,sm,fs) ;
+#endif
+
+#ifdef	SBA
+		DB_SBAN(2,"SBA: RAF frame received\n",0,0) ;
+		sba_raf_received_pack(smc,sm,fs) ;
+#endif
+		break ;
+	case SMT_RDF :		/* request denied */
+		smc->mib.priv.fddiPRIVRDF_Rx++ ;
+		break ;
+	case SMT_ESF :		/* extended service - not supported */
+		if (sm->smt_type == SMT_REQUEST) {
+			DB_SMT("SMT - received ESF, sending RDF\n",0,0) ;
+			smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_CLASS,local) ;
+		}
+		break ;
+	case SMT_PMF_GET :
+	case SMT_PMF_SET :
+		if (sm->smt_type != SMT_REQUEST)
+			break ;
+		/* update statistics */
+		if (sm->smt_class == SMT_PMF_GET)
+			smc->mib.priv.fddiPRIVPMF_Get_Rx++ ;
+		else
+			smc->mib.priv.fddiPRIVPMF_Set_Rx++ ;
+		/*
+		 * ignore PMF SET with I/G set
+		 */
+		if ((sm->smt_class == SMT_PMF_SET) &&
+			!is_individual(&sm->smt_dest)) {
+			DB_SMT("SMT: ignoring PMF-SET with I/G set\n",0,0) ;
+			break ;
+		}
+		smt_pmf_received_pack(smc,mb, local) ;
+		break ;
+	case SMT_SRF :
+		dump_smt(smc,sm,"SRF received") ;
+		break ;
+	default :
+		if (sm->smt_type != SMT_REQUEST)
+			break ;
+		/*
+		 * For frames with unknown class:
+		 * we need to send a RDF frame according to 8.1.3.1.1,
+		 * only if it is a REQUEST.
+		 */
+		DB_SMT("SMT : class = %d, send RDF to %s\n",
+			sm->smt_class, addr_to_string(&sm->smt_source)) ;
+
+		smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_CLASS,local) ;
+		break ;
+#endif
+	}
+	if (illegal) {
+		DB_SMT("SMT: discarding invalid frame, reason = %d\n",
+			illegal,0) ;
+	}
+	smt_free_mbuf(smc,mb) ;
+}
+
+static void update_dac(struct s_smc *smc, int report)
+{
+	int	cond ;
+
+	cond = ( smc->mib.m[MAC0].fddiMACUNDA_Flag |
+		smc->mib.m[MAC0].fddiMACDA_Flag) != 0 ;
+	if (report && (cond != smc->mib.m[MAC0].fddiMACDuplicateAddressCond))
+		smt_srf_event(smc, SMT_COND_MAC_DUP_ADDR,INDEX_MAC,cond) ;
+	else
+		smc->mib.m[MAC0].fddiMACDuplicateAddressCond = cond ;
+}
+
+/*
+ * send SMT frame
+ *	set source address
+ *	set station ID
+ *	send frame
+ */
+void smt_send_frame(struct s_smc *smc, SMbuf *mb, int fc, int local)
+/* SMbuf *mb;	buffer to send */
+/* int fc;	FC value */
+{
+	struct smt_header	*sm ;
+
+	if (!smc->r.sm_ma_avail && !local) {
+		smt_free_mbuf(smc,mb) ;
+		return ;
+	}
+	sm = smtod(mb,struct smt_header *) ;
+	sm->smt_source = smc->mib.m[MAC0].fddiMACSMTAddress ;
+	sm->smt_sid = smc->mib.fddiSMTStationId ;
+
+	smt_swap_para(sm,(int) mb->sm_len,0) ;		/* swap para & header */
+	hwm_conv_can(smc,(char *)sm,12) ;		/* convert SA and DA */
+	smc->mib.m[MAC0].fddiMACSMTTransmit_Ct++ ;
+	smt_send_mbuf(smc,mb,local ? FC_SMT_LOC : fc) ;
+}
+
+/*
+ * generate and send RDF
+ */
+static void smt_send_rdf(struct s_smc *smc, SMbuf *rej, int fc, int reason,
+			 int local)
+/* SMbuf *rej;	mbuf of offending frame */
+/* int fc;	FC of denied frame */
+/* int reason;	reason code */
+{
+	SMbuf	*mb ;
+	struct smt_header	*sm ;	/* header of offending frame */
+	struct smt_rdf	*rdf ;
+	int		len ;
+	int		frame_len ;
+
+	sm = smtod(rej,struct smt_header *) ;
+	if (sm->smt_type != SMT_REQUEST)
+		return ;
+
+	DB_SMT("SMT: sending RDF to %s,reason = 0x%x\n",
+		addr_to_string(&sm->smt_source),reason) ;
+
+
+	/*
+	 * note: get framelength from MAC length, NOT from SMT header
+	 * smt header length is included in sm_len
+	 */
+	frame_len = rej->sm_len ;
+
+	if (!(mb=smt_build_frame(smc,SMT_RDF,SMT_REPLY,sizeof(struct smt_rdf))))
+		return ;
+	rdf = smtod(mb,struct smt_rdf *) ;
+	rdf->smt.smt_tid = sm->smt_tid ;		/* use TID from sm */
+	rdf->smt.smt_dest = sm->smt_source ;		/* set dest = source */
+
+	/* set P12 */
+	rdf->reason.para.p_type = SMT_P_REASON ;
+	rdf->reason.para.p_len = sizeof(struct smt_p_reason) - PARA_LEN ;
+	rdf->reason.rdf_reason = reason ;
+
+	/* set P14 */
+	rdf->version.para.p_type = SMT_P_VERSION ;
+	rdf->version.para.p_len = sizeof(struct smt_p_version) - PARA_LEN ;
+	rdf->version.v_pad = 0 ;
+	rdf->version.v_n = 1 ;
+	rdf->version.v_index = 1 ;
+	rdf->version.v_version[0] = SMT_VID_2 ;
+	rdf->version.v_pad2 = 0 ;
+
+	/* set P13 */
+	if ((unsigned) frame_len <= SMT_MAX_INFO_LEN - sizeof(*rdf) +
+		2*sizeof(struct smt_header))
+		len = frame_len ;
+	else
+		len = SMT_MAX_INFO_LEN - sizeof(*rdf) +
+			2*sizeof(struct smt_header) ;
+	/* make length multiple of 4 */
+	len &= ~3 ;
+	rdf->refused.para.p_type = SMT_P_REFUSED ;
+	/* length of para is smt_frame + ref_fc */
+	rdf->refused.para.p_len = len + 4 ;
+	rdf->refused.ref_fc = fc ;
+
+	/* swap it back */
+	smt_swap_para(sm,frame_len,0) ;
+
+	memcpy((char *) &rdf->refused.ref_header,(char *) sm,len) ;
+
+	len -= sizeof(struct smt_header) ;
+	mb->sm_len += len ;
+	rdf->smt.smt_len += len ;
+
+	dump_smt(smc,(struct smt_header *)rdf,"RDF") ;
+	smc->mib.priv.fddiPRIVRDF_Tx++ ;
+	smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
+}
+
+/*
+ * generate and send NIF
+ */
+static void smt_send_nif(struct s_smc *smc, const struct fddi_addr *dest, 
+			 int fc, u_long tid, int type, int local)
+/* struct fddi_addr *dest;	dest address */
+/* int fc;			frame control */
+/* u_long tid;			transaction id */
+/* int type;			frame type */
+{
+	struct smt_nif	*nif ;
+	SMbuf		*mb ;
+
+	if (!(mb = smt_build_frame(smc,SMT_NIF,type,sizeof(struct smt_nif))))
+		return ;
+	nif = smtod(mb, struct smt_nif *) ;
+	smt_fill_una(smc,&nif->una) ;	/* set UNA */
+	smt_fill_sde(smc,&nif->sde) ;	/* set station descriptor */
+	smt_fill_state(smc,&nif->state) ;	/* set state information */
+#ifdef	SMT6_10
+	smt_fill_fsc(smc,&nif->fsc) ;	/* set frame status cap. */
+#endif
+	nif->smt.smt_dest = *dest ;	/* destination address */
+	nif->smt.smt_tid = tid ;	/* transaction ID */
+	dump_smt(smc,(struct smt_header *)nif,"NIF") ;
+	smt_send_frame(smc,mb,fc,local) ;
+}
+
+#ifdef	DEBUG
+/*
+ * send NIF request (test purpose)
+ */
+static void smt_send_nif_request(struct s_smc *smc, struct fddi_addr *dest)
+{
+	smc->sm.pend[SMT_TID_NIF_TEST] = smt_get_tid(smc) ;
+	smt_send_nif(smc,dest, FC_SMT_INFO, smc->sm.pend[SMT_TID_NIF_TEST],
+		SMT_REQUEST,0) ;
+}
+
+/*
+ * send ECF request (test purpose)
+ */
+static void smt_send_ecf_request(struct s_smc *smc, struct fddi_addr *dest,
+				 int len)
+{
+	smc->sm.pend[SMT_TID_ECF] = smt_get_tid(smc) ;
+	smt_send_ecf(smc,dest, FC_SMT_INFO, smc->sm.pend[SMT_TID_ECF],
+		SMT_REQUEST,len) ;
+}
+#endif
+
+/*
+ * echo test
+ */
+static void smt_echo_test(struct s_smc *smc, int dna)
+{
+	u_long	tid ;
+
+	smc->sm.pend[dna ? SMT_TID_ECF_DNA : SMT_TID_ECF_UNA] =
+		tid = smt_get_tid(smc) ;
+	smt_send_ecf(smc, dna ?
+		&smc->mib.m[MAC0].fddiMACDownstreamNbr :
+		&smc->mib.m[MAC0].fddiMACUpstreamNbr,
+		FC_SMT_INFO,tid, SMT_REQUEST, (SMT_TEST_ECHO_LEN & ~3)-8) ;
+}
+
+/*
+ * generate and send ECF
+ */
+static void smt_send_ecf(struct s_smc *smc, struct fddi_addr *dest, int fc,
+			 u_long tid, int type, int len)
+/* struct fddi_addr *dest;	dest address */
+/* int fc;			frame control */
+/* u_long tid;			transaction id */
+/* int type;			frame type */
+/* int len;			frame length */
+{
+	struct smt_ecf	*ecf ;
+	SMbuf		*mb ;
+
+	if (!(mb = smt_build_frame(smc,SMT_ECF,type,SMT_ECF_LEN + len)))
+		return ;
+	ecf = smtod(mb, struct smt_ecf *) ;
+
+	smt_fill_echo(smc,&ecf->ec_echo,tid,len) ;	/* set ECHO */
+	ecf->smt.smt_dest = *dest ;	/* destination address */
+	ecf->smt.smt_tid = tid ;	/* transaction ID */
+	smc->mib.priv.fddiPRIVECF_Req_Tx++ ;
+	smt_send_frame(smc,mb,fc,0) ;
+}
+
+/*
+ * generate and send SIF config response
+ */
+
+static void smt_send_sif_config(struct s_smc *smc, struct fddi_addr *dest,
+				u_long tid, int local)
+/* struct fddi_addr *dest;	dest address */
+/* u_long tid;			transaction id */
+{
+	struct smt_sif_config	*sif ;
+	SMbuf			*mb ;
+	int			len ;
+	if (!(mb = smt_build_frame(smc,SMT_SIF_CONFIG,SMT_REPLY,
+		SIZEOF_SMT_SIF_CONFIG)))
+		return ;
+
+	sif = smtod(mb, struct smt_sif_config *) ;
+	smt_fill_timestamp(smc,&sif->ts) ;	/* set time stamp */
+	smt_fill_sde(smc,&sif->sde) ;		/* set station descriptor */
+	smt_fill_version(smc,&sif->version) ;	/* set version information */
+	smt_fill_state(smc,&sif->state) ;	/* set state information */
+	smt_fill_policy(smc,&sif->policy) ;	/* set station policy */
+	smt_fill_latency(smc,&sif->latency);	/* set station latency */
+	smt_fill_neighbor(smc,&sif->neighbor);	/* set station neighbor */
+	smt_fill_setcount(smc,&sif->setcount) ;	/* set count */
+	len = smt_fill_path(smc,&sif->path);	/* set station path descriptor*/
+	sif->smt.smt_dest = *dest ;		/* destination address */
+	sif->smt.smt_tid = tid ;		/* transaction ID */
+	smt_add_frame_len(mb,len) ;		/* adjust length fields */
+	dump_smt(smc,(struct smt_header *)sif,"SIF Configuration Reply") ;
+	smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
+}
+
+/*
+ * generate and send SIF operation response
+ */
+
+static void smt_send_sif_operation(struct s_smc *smc, struct fddi_addr *dest,
+				   u_long tid, int local)
+/* struct fddi_addr *dest;	dest address */
+/* u_long tid;			transaction id */
+{
+	struct smt_sif_operation *sif ;
+	SMbuf			*mb ;
+	int			ports ;
+	int			i ;
+
+	ports = NUMPHYS ;
+#ifndef	CONCENTRATOR
+	if (smc->s.sas == SMT_SAS)
+		ports = 1 ;
+#endif
+
+	if (!(mb = smt_build_frame(smc,SMT_SIF_OPER,SMT_REPLY,
+		SIZEOF_SMT_SIF_OPERATION+ports*sizeof(struct smt_p_lem))))
+		return ;
+	sif = smtod(mb, struct smt_sif_operation *) ;
+	smt_fill_timestamp(smc,&sif->ts) ;	/* set time stamp */
+	smt_fill_mac_status(smc,&sif->status) ; /* set mac status */
+	smt_fill_mac_counter(smc,&sif->mc) ; /* set mac counter field */
+	smt_fill_mac_fnc(smc,&sif->fnc) ; /* set frame not copied counter */
+	smt_fill_manufacturer(smc,&sif->man) ; /* set manufacturer field */
+	smt_fill_user(smc,&sif->user) ;		/* set user field */
+	smt_fill_setcount(smc,&sif->setcount) ;	/* set count */
+	/*
+	 * set link error mon information
+	 */
+	if (ports == 1) {
+		smt_fill_lem(smc,sif->lem,PS) ;
+	}
+	else {
+		for (i = 0 ; i < ports ; i++) {
+			smt_fill_lem(smc,&sif->lem[i],i) ;
+		}
+	}
+
+	sif->smt.smt_dest = *dest ;	/* destination address */
+	sif->smt.smt_tid = tid ;	/* transaction ID */
+	dump_smt(smc,(struct smt_header *)sif,"SIF Operation Reply") ;
+	smt_send_frame(smc,mb,FC_SMT_INFO,local) ;
+}
+
+/*
+ * get and initialize SMT frame
+ */
+SMbuf *smt_build_frame(struct s_smc *smc, int class, int type,
+				  int length)
+{
+	SMbuf			*mb ;
+	struct smt_header	*smt ;
+
+#if	0
+	if (!smc->r.sm_ma_avail) {
+		return(0) ;
+	}
+#endif
+	if (!(mb = smt_get_mbuf(smc)))
+		return(mb) ;
+
+	mb->sm_len = length ;
+	smt = smtod(mb, struct smt_header *) ;
+	smt->smt_dest = fddi_broadcast ; /* set dest = broadcast */
+	smt->smt_class = class ;
+	smt->smt_type = type ;
+	switch (class) {
+	case SMT_NIF :
+	case SMT_SIF_CONFIG :
+	case SMT_SIF_OPER :
+	case SMT_ECF :
+		smt->smt_version = SMT_VID ;
+		break ;
+	default :
+		smt->smt_version = SMT_VID_2 ;
+		break ;
+	}
+	smt->smt_tid = smt_get_tid(smc) ;	/* set transaction ID */
+	smt->smt_pad = 0 ;
+	smt->smt_len = length - sizeof(struct smt_header) ;
+	return(mb) ;
+}
+
+static void smt_add_frame_len(SMbuf *mb, int len)
+{
+	struct smt_header	*smt ;
+
+	smt = smtod(mb, struct smt_header *) ;
+	smt->smt_len += len ;
+	mb->sm_len += len ;
+}
+
+
+
+/*
+ * fill values in UNA parameter
+ */
+static void smt_fill_una(struct s_smc *smc, struct smt_p_una *una)
+{
+	SMTSETPARA(una,SMT_P_UNA) ;
+	una->una_pad = 0 ;
+	una->una_node = smc->mib.m[MAC0].fddiMACUpstreamNbr ;
+}
+
+/*
+ * fill values in SDE parameter
+ */
+static void smt_fill_sde(struct s_smc *smc, struct smt_p_sde *sde)
+{
+	SMTSETPARA(sde,SMT_P_SDE) ;
+	sde->sde_non_master = smc->mib.fddiSMTNonMaster_Ct ;
+	sde->sde_master = smc->mib.fddiSMTMaster_Ct ;
+	sde->sde_mac_count = NUMMACS ;		/* only 1 MAC */
+#ifdef	CONCENTRATOR
+	sde->sde_type = SMT_SDE_CONCENTRATOR ;
+#else
+	sde->sde_type = SMT_SDE_STATION ;
+#endif
+}
+
+/*
+ * fill in values in station state parameter
+ */
+static void smt_fill_state(struct s_smc *smc, struct smt_p_state *state)
+{
+	int	top ;
+	int	twist ;
+
+	SMTSETPARA(state,SMT_P_STATE) ;
+	state->st_pad = 0 ;
+
+	/* determine topology */
+	top = 0 ;
+	if (smc->mib.fddiSMTPeerWrapFlag) {
+		top |= SMT_ST_WRAPPED ;		/* state wrapped */
+	}
+#ifdef	CONCENTRATOR
+	if (cfm_status_unattached(smc)) {
+		top |= SMT_ST_UNATTACHED ;	/* unattached concentrator */
+	}
+#endif
+	if ((twist = pcm_status_twisted(smc)) & 1) {
+		top |= SMT_ST_TWISTED_A ;	/* twisted cable */
+	}
+	if (twist & 2) {
+		top |= SMT_ST_TWISTED_B ;	/* twisted cable */
+	}
+#ifdef	OPT_SRF
+	top |= SMT_ST_SRF ;
+#endif
+	if (pcm_rooted_station(smc))
+		top |= SMT_ST_ROOTED_S ;
+	if (smc->mib.a[0].fddiPATHSbaPayload != 0)
+		top |= SMT_ST_SYNC_SERVICE ;
+	state->st_topology = top ;
+	state->st_dupl_addr =
+		((smc->mib.m[MAC0].fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0 ) |
+		 (smc->mib.m[MAC0].fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0)) ;
+}
+
+/*
+ * fill values in timestamp parameter
+ */
+static void smt_fill_timestamp(struct s_smc *smc, struct smt_p_timestamp *ts)
+{
+
+	SMTSETPARA(ts,SMT_P_TIMESTAMP) ;
+	smt_set_timestamp(smc,ts->ts_time) ;
+}
+
+void smt_set_timestamp(struct s_smc *smc, u_char *p)
+{
+	u_long	time ;
+	u_long	utime ;
+
+	/*
+	 * timestamp is 64 bits long ; resolution is 80 nS
+	 * our clock resolution is 10mS
+	 * 10mS/80ns = 125000 ~ 2^17 = 131072
+	 */
+	utime = smt_get_time() ;
+	time = utime * 100 ;
+	time /= TICKS_PER_SECOND ;
+	p[0] = 0 ;
+	p[1] = (u_char)((time>>(8+8+8+8-1)) & 1) ;
+	p[2] = (u_char)(time>>(8+8+8-1)) ;
+	p[3] = (u_char)(time>>(8+8-1)) ;
+	p[4] = (u_char)(time>>(8-1)) ;
+	p[5] = (u_char)(time<<1) ;
+	p[6] = (u_char)(smc->sm.uniq_ticks>>8) ;
+	p[7] = (u_char)smc->sm.uniq_ticks ;
+	/*
+	 * make sure we don't wrap: restart whenever the upper digits change
+	 */
+	if (utime != smc->sm.uniq_time) {
+		smc->sm.uniq_ticks = 0 ;
+	}
+	smc->sm.uniq_ticks++ ;
+	smc->sm.uniq_time = utime ;
+}
+
+/*
+ * fill values in station policy parameter
+ */
+static void smt_fill_policy(struct s_smc *smc, struct smt_p_policy *policy)
+{
+	int	i ;
+	u_char	*map ;
+	u_short	in ;
+	u_short	out ;
+
+	/*
+	 * MIB para 101b (fddiSMTConnectionPolicy) coding
+	 * is different from 0005 coding
+	 */
+	static u_char	ansi_weirdness[16] = {
+		0,7,5,3,8,1,6,4,9,10,2,11,12,13,14,15
+	} ;
+	SMTSETPARA(policy,SMT_P_POLICY) ;
+
+	out = 0 ;
+	in = smc->mib.fddiSMTConnectionPolicy ;
+	for (i = 0, map = ansi_weirdness ; i < 16 ; i++) {
+		if (in & 1)
+			out |= (1<<*map) ;
+		in >>= 1 ;
+		map++ ;
+	}
+	policy->pl_config = smc->mib.fddiSMTConfigPolicy ;
+	policy->pl_connect = out ;
+}
+
+/*
+ * fill values in latency equivalent parameter
+ */
+static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency)
+{
+	SMTSETPARA(latency,SMT_P_LATENCY) ;
+
+	latency->lt_phyout_idx1 = phy_index(smc,0) ;
+	latency->lt_latency1 = 10 ;	/* in octets (byte clock) */
+	/*
+	 * note: latency has two phy entries by definition
+	 * for a SAS, the 2nd one is null
+	 */
+	if (smc->s.sas == SMT_DAS) {
+		latency->lt_phyout_idx2 = phy_index(smc,1) ;
+		latency->lt_latency2 = 10 ;	/* in octets (byte clock) */
+	}
+	else {
+		latency->lt_phyout_idx2 = 0 ;
+		latency->lt_latency2 = 0 ;
+	}
+}
+
+/*
+ * fill values in MAC neighbors parameter
+ */
+static void smt_fill_neighbor(struct s_smc *smc, struct smt_p_neighbor *neighbor)
+{
+	SMTSETPARA(neighbor,SMT_P_NEIGHBORS) ;
+
+	neighbor->nb_mib_index = INDEX_MAC ;
+	neighbor->nb_mac_index = mac_index(smc,1) ;
+	neighbor->nb_una = smc->mib.m[MAC0].fddiMACUpstreamNbr ;
+	neighbor->nb_dna = smc->mib.m[MAC0].fddiMACDownstreamNbr ;
+}
+
+/*
+ * fill values in path descriptor
+ */
+#ifdef	CONCENTRATOR
+#define ALLPHYS	NUMPHYS
+#else
+#define ALLPHYS	((smc->s.sas == SMT_SAS) ? 1 : 2)
+#endif
+
+static int smt_fill_path(struct s_smc *smc, struct smt_p_path *path)
+{
+	SK_LOC_DECL(int,type) ;
+	SK_LOC_DECL(int,state) ;
+	SK_LOC_DECL(int,remote) ;
+	SK_LOC_DECL(int,mac) ;
+	int	len ;
+	int	p ;
+	int	physp ;
+	struct smt_phy_rec	*phy ;
+	struct smt_mac_rec	*pd_mac ;
+
+	len =	PARA_LEN +
+		sizeof(struct smt_mac_rec) * NUMMACS +
+		sizeof(struct smt_phy_rec) * ALLPHYS ;
+	path->para.p_type = SMT_P_PATH ;
+	path->para.p_len = len - PARA_LEN ;
+
+	/* PHYs */
+	for (p = 0,phy = path->pd_phy ; p < ALLPHYS ; p++, phy++) {
+		physp = p ;
+#ifndef	CONCENTRATOR
+		if (smc->s.sas == SMT_SAS)
+			physp = PS ;
+#endif
+		pcm_status_state(smc,physp,&type,&state,&remote,&mac) ;
+#ifdef	LITTLE_ENDIAN
+		phy->phy_mib_index = smt_swap_short((u_short)p+INDEX_PORT) ;
+#else
+		phy->phy_mib_index = p+INDEX_PORT ;
+#endif
+		phy->phy_type = type ;
+		phy->phy_connect_state = state ;
+		phy->phy_remote_type = remote ;
+		phy->phy_remote_mac = mac ;
+		phy->phy_resource_idx = phy_con_resource_index(smc,p) ;
+	}
+
+	/* MAC */
+	pd_mac = (struct smt_mac_rec *) phy ;
+	pd_mac->mac_addr = smc->mib.m[MAC0].fddiMACSMTAddress ;
+	pd_mac->mac_resource_idx = mac_con_resource_index(smc,1) ;
+	return(len) ;
+}
+
+/*
+ * fill values in mac status
+ */
+static void smt_fill_mac_status(struct s_smc *smc, struct smt_p_mac_status *st)
+{
+	SMTSETPARA(st,SMT_P_MAC_STATUS) ;
+
+	st->st_mib_index = INDEX_MAC ;
+	st->st_mac_index = mac_index(smc,1) ;
+
+	mac_update_counter(smc) ;
+	/*
+	 * timer values are represented in SMT as 2's complement numbers
+	 * units :	internal :  2's complement BCLK
+	 */
+	st->st_t_req = smc->mib.m[MAC0].fddiMACT_Req ;
+	st->st_t_neg = smc->mib.m[MAC0].fddiMACT_Neg ;
+	st->st_t_max = smc->mib.m[MAC0].fddiMACT_Max ;
+	st->st_tvx_value = smc->mib.m[MAC0].fddiMACTvxValue ;
+	st->st_t_min = smc->mib.m[MAC0].fddiMACT_Min ;
+
+	st->st_sba = smc->mib.a[PATH0].fddiPATHSbaPayload ;
+	st->st_frame_ct = smc->mib.m[MAC0].fddiMACFrame_Ct ;
+	st->st_error_ct = smc->mib.m[MAC0].fddiMACError_Ct ;
+	st->st_lost_ct = smc->mib.m[MAC0].fddiMACLost_Ct ;
+}
+
+/*
+ * fill values in LEM status
+ */
+static void smt_fill_lem(struct s_smc *smc, struct smt_p_lem *lem, int phy)
+{
+	struct fddi_mib_p	*mib ;
+
+	mib = smc->y[phy].mib ;
+
+	SMTSETPARA(lem,SMT_P_LEM) ;
+	lem->lem_mib_index = phy+INDEX_PORT ;
+	lem->lem_phy_index = phy_index(smc,phy) ;
+	lem->lem_pad2 = 0 ;
+	lem->lem_cutoff = mib->fddiPORTLer_Cutoff ;
+	lem->lem_alarm = mib->fddiPORTLer_Alarm ;
+	/* long term bit error rate */
+	lem->lem_estimate = mib->fddiPORTLer_Estimate ;
+	/* # of rejected connections */
+	lem->lem_reject_ct = mib->fddiPORTLem_Reject_Ct ;
+	lem->lem_ct = mib->fddiPORTLem_Ct ;	/* total number of errors */
+}
+
+/*
+ * fill version parameter
+ */
+static void smt_fill_version(struct s_smc *smc, struct smt_p_version *vers)
+{
+	SK_UNUSED(smc) ;
+	SMTSETPARA(vers,SMT_P_VERSION) ;
+	vers->v_pad = 0 ;
+	vers->v_n = 1 ;				/* one version is enough .. */
+	vers->v_index = 1 ;
+	vers->v_version[0] = SMT_VID_2 ;
+	vers->v_pad2 = 0 ;
+}
+
+#ifdef	SMT6_10
+/*
+ * fill frame status capabilities
+ */
+/*
+ * note: this para 200B is NOT in swap table, because it's also set in
+ * PMF add_para
+ */
+static void smt_fill_fsc(struct s_smc *smc, struct smt_p_fsc *fsc)
+{
+	SK_UNUSED(smc) ;
+	SMTSETPARA(fsc,SMT_P_FSC) ;
+	fsc->fsc_pad0 = 0 ;
+	fsc->fsc_mac_index = INDEX_MAC ;	/* this is MIB ; MIB is NOT
+						 * mac_index ()i !
+						 */
+	fsc->fsc_pad1 = 0 ;
+	fsc->fsc_value = FSC_TYPE0 ;		/* "normal" node */
+#ifdef	LITTLE_ENDIAN
+	fsc->fsc_mac_index = smt_swap_short(INDEX_MAC) ;
+	fsc->fsc_value = smt_swap_short(FSC_TYPE0) ;
+#endif
+}
+#endif
+
+/*
+ * fill mac counter field
+ */
+static void smt_fill_mac_counter(struct s_smc *smc, struct smt_p_mac_counter *mc)
+{
+	SMTSETPARA(mc,SMT_P_MAC_COUNTER) ;
+	mc->mc_mib_index = INDEX_MAC ;
+	mc->mc_index = mac_index(smc,1) ;
+	mc->mc_receive_ct = smc->mib.m[MAC0].fddiMACCopied_Ct ;
+	mc->mc_transmit_ct =  smc->mib.m[MAC0].fddiMACTransmit_Ct ;
+}
+
+/*
+ * fill mac frame not copied counter
+ */
+static void smt_fill_mac_fnc(struct s_smc *smc, struct smt_p_mac_fnc *fnc)
+{
+	SMTSETPARA(fnc,SMT_P_MAC_FNC) ;
+	fnc->nc_mib_index = INDEX_MAC ;
+	fnc->nc_index = mac_index(smc,1) ;
+	fnc->nc_counter = smc->mib.m[MAC0].fddiMACNotCopied_Ct ;
+}
+
+
+/*
+ * fill manufacturer field
+ */
+static void smt_fill_manufacturer(struct s_smc *smc, 
+				  struct smp_p_manufacturer *man)
+{
+	SMTSETPARA(man,SMT_P_MANUFACTURER) ;
+	memcpy((char *) man->mf_data,
+		(char *) smc->mib.fddiSMTManufacturerData,
+		sizeof(man->mf_data)) ;
+}
+
+/*
+ * fill user field
+ */
+static void smt_fill_user(struct s_smc *smc, struct smp_p_user *user)
+{
+	SMTSETPARA(user,SMT_P_USER) ;
+	memcpy((char *) user->us_data,
+		(char *) smc->mib.fddiSMTUserData,
+		sizeof(user->us_data)) ;
+}
+
+/*
+ * fill set count
+ */
+static void smt_fill_setcount(struct s_smc *smc, struct smt_p_setcount *setcount)
+{
+	SK_UNUSED(smc) ;
+	SMTSETPARA(setcount,SMT_P_SETCOUNT) ;
+	setcount->count = smc->mib.fddiSMTSetCount.count ;
+	memcpy((char *)setcount->timestamp,
+		(char *)smc->mib.fddiSMTSetCount.timestamp,8) ;
+}
+
+/*
+ * fill echo data
+ */
+static void smt_fill_echo(struct s_smc *smc, struct smt_p_echo *echo, u_long seed,
+			  int len)
+{
+	u_char	*p ;
+
+	SK_UNUSED(smc) ;
+	SMTSETPARA(echo,SMT_P_ECHODATA) ;
+	echo->para.p_len = len ;
+	for (p = echo->ec_data ; len ; len--) {
+		*p++ = (u_char) seed ;
+		seed += 13 ;
+	}
+}
+
+/*
+ * clear DNA and UNA
+ * called from CFM if configuration changes
+ */
+void smt_clear_una_dna(struct s_smc *smc)
+{
+	smc->mib.m[MAC0].fddiMACUpstreamNbr = SMT_Unknown ;
+	smc->mib.m[MAC0].fddiMACDownstreamNbr = SMT_Unknown ;
+}
+
+static void smt_clear_old_una_dna(struct s_smc *smc)
+{
+	smc->mib.m[MAC0].fddiMACOldUpstreamNbr = SMT_Unknown ;
+	smc->mib.m[MAC0].fddiMACOldDownstreamNbr = SMT_Unknown ;
+}
+
+u_long smt_get_tid(struct s_smc *smc)
+{
+	u_long	tid ;
+	while ((tid = ++(smc->sm.smt_tid) ^ SMT_TID_MAGIC) == 0)
+		;
+	return(tid & 0x3fffffffL) ;
+}
+
+
+/*
+ * table of parameter lengths
+ */
+static const struct smt_pdef {
+	int	ptype ;
+	int	plen ;
+	const char	*pswap ;
+} smt_pdef[] = {
+	{ SMT_P_UNA,	sizeof(struct smt_p_una) ,
+		SWAP_SMT_P_UNA					} ,
+	{ SMT_P_SDE,	sizeof(struct smt_p_sde) ,
+		SWAP_SMT_P_SDE					} ,
+	{ SMT_P_STATE,	sizeof(struct smt_p_state) ,
+		SWAP_SMT_P_STATE				} ,
+	{ SMT_P_TIMESTAMP,sizeof(struct smt_p_timestamp) ,
+		SWAP_SMT_P_TIMESTAMP				} ,
+	{ SMT_P_POLICY,	sizeof(struct smt_p_policy) ,
+		SWAP_SMT_P_POLICY				} ,
+	{ SMT_P_LATENCY,	sizeof(struct smt_p_latency) ,
+		SWAP_SMT_P_LATENCY				} ,
+	{ SMT_P_NEIGHBORS,sizeof(struct smt_p_neighbor) ,
+		SWAP_SMT_P_NEIGHBORS				} ,
+	{ SMT_P_PATH,	sizeof(struct smt_p_path) ,
+		SWAP_SMT_P_PATH					} ,
+	{ SMT_P_MAC_STATUS,sizeof(struct smt_p_mac_status) ,
+		SWAP_SMT_P_MAC_STATUS				} ,
+	{ SMT_P_LEM,	sizeof(struct smt_p_lem) ,
+		SWAP_SMT_P_LEM					} ,
+	{ SMT_P_MAC_COUNTER,sizeof(struct smt_p_mac_counter) ,
+		SWAP_SMT_P_MAC_COUNTER				} ,
+	{ SMT_P_MAC_FNC,sizeof(struct smt_p_mac_fnc) ,
+		SWAP_SMT_P_MAC_FNC				} ,
+	{ SMT_P_PRIORITY,sizeof(struct smt_p_priority) ,
+		SWAP_SMT_P_PRIORITY				} ,
+	{ SMT_P_EB,sizeof(struct smt_p_eb) ,
+		SWAP_SMT_P_EB					} ,
+	{ SMT_P_MANUFACTURER,sizeof(struct smp_p_manufacturer) ,
+		SWAP_SMT_P_MANUFACTURER				} ,
+	{ SMT_P_REASON,	sizeof(struct smt_p_reason) ,
+		SWAP_SMT_P_REASON				} ,
+	{ SMT_P_REFUSED, sizeof(struct smt_p_refused) ,
+		SWAP_SMT_P_REFUSED				} ,
+	{ SMT_P_VERSION, sizeof(struct smt_p_version) ,
+		SWAP_SMT_P_VERSION				} ,
+#ifdef ESS
+	{ SMT_P0015, sizeof(struct smt_p_0015) , SWAP_SMT_P0015 } ,
+	{ SMT_P0016, sizeof(struct smt_p_0016) , SWAP_SMT_P0016 } ,
+	{ SMT_P0017, sizeof(struct smt_p_0017) , SWAP_SMT_P0017 } ,
+	{ SMT_P0018, sizeof(struct smt_p_0018) , SWAP_SMT_P0018 } ,
+	{ SMT_P0019, sizeof(struct smt_p_0019) , SWAP_SMT_P0019 } ,
+	{ SMT_P001A, sizeof(struct smt_p_001a) , SWAP_SMT_P001A } ,
+	{ SMT_P001B, sizeof(struct smt_p_001b) , SWAP_SMT_P001B } ,
+	{ SMT_P001C, sizeof(struct smt_p_001c) , SWAP_SMT_P001C } ,
+	{ SMT_P001D, sizeof(struct smt_p_001d) , SWAP_SMT_P001D } ,
+#endif
+#if	0
+	{ SMT_P_FSC,	sizeof(struct smt_p_fsc) ,
+		SWAP_SMT_P_FSC					} ,
+#endif
+
+	{ SMT_P_SETCOUNT,0,	SWAP_SMT_P_SETCOUNT		} ,
+	{ SMT_P1048,	0,	SWAP_SMT_P1048			} ,
+	{ SMT_P208C,	0,	SWAP_SMT_P208C			} ,
+	{ SMT_P208D,	0,	SWAP_SMT_P208D			} ,
+	{ SMT_P208E,	0,	SWAP_SMT_P208E			} ,
+	{ SMT_P208F,	0,	SWAP_SMT_P208F			} ,
+	{ SMT_P2090,	0,	SWAP_SMT_P2090			} ,
+#ifdef	ESS
+	{ SMT_P320B, sizeof(struct smt_p_320b) , SWAP_SMT_P320B } ,
+	{ SMT_P320F, sizeof(struct smt_p_320f) , SWAP_SMT_P320F } ,
+	{ SMT_P3210, sizeof(struct smt_p_3210) , SWAP_SMT_P3210 } ,
+#endif
+	{ SMT_P4050,	0,	SWAP_SMT_P4050			} ,
+	{ SMT_P4051,	0,	SWAP_SMT_P4051			} ,
+	{ SMT_P4052,	0,	SWAP_SMT_P4052			} ,
+	{ SMT_P4053,	0,	SWAP_SMT_P4053			} ,
+} ;
+
+#define N_SMT_PLEN	(sizeof(smt_pdef)/sizeof(smt_pdef[0]))
+
+int smt_check_para(struct s_smc *smc, struct smt_header	*sm,
+		   const u_short list[])
+{
+	const u_short		*p = list ;
+	while (*p) {
+		if (!sm_to_para(smc,sm,(int) *p)) {
+			DB_SMT("SMT: smt_check_para - missing para %x\n",*p,0);
+			return(-1) ;
+		}
+		p++ ;
+	}
+	return(0) ;
+}
+
+void *sm_to_para(struct s_smc *smc, struct smt_header *sm, int para)
+{
+	char	*p ;
+	int	len ;
+	int	plen ;
+	void	*found = NULL;
+
+	SK_UNUSED(smc) ;
+
+	len = sm->smt_len ;
+	p = (char *)(sm+1) ;		/* pointer to info */
+	while (len > 0 ) {
+		if (((struct smt_para *)p)->p_type == para)
+			found = (void *) p ;
+		plen = ((struct smt_para *)p)->p_len + PARA_LEN ;
+		p += plen ;
+		len -= plen ;
+		if (len < 0) {
+			DB_SMT("SMT : sm_to_para - length error %d\n",plen,0) ;
+			return NULL;
+		}
+		if ((plen & 3) && (para != SMT_P_ECHODATA)) {
+			DB_SMT("SMT : sm_to_para - odd length %d\n",plen,0) ;
+			return NULL;
+		}
+		if (found)
+			return(found) ;
+	}
+	return NULL;
+}
+
+#if	0
+/*
+ * send ANTC data test frame
+ */
+void fddi_send_antc(struct s_smc *smc, struct fddi_addr *dest)
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(dest) ;
+#if	0
+	SMbuf			*mb ;
+	struct smt_header	*smt ;
+	int			i ;
+	char			*p ;
+
+	mb = smt_get_mbuf() ;
+	mb->sm_len = 3000+12 ;
+	p = smtod(mb, char *) + 12 ;
+	for (i = 0 ; i < 3000 ; i++)
+		*p++ = 1 << (i&7) ;
+
+	smt = smtod(mb, struct smt_header *) ;
+	smt->smt_dest = *dest ;
+	smt->smt_source = smc->mib.m[MAC0].fddiMACSMTAddress ;
+	smt_send_mbuf(smc,mb,FC_ASYNC_LLC) ;
+#endif
+}
+#endif
+
+#ifdef	DEBUG
+#define hextoasc(x)	"0123456789abcdef"[x]
+
+char *addr_to_string(struct fddi_addr *addr)
+{
+	int	i ;
+	static char	string[6*3] = "****" ;
+
+	for (i = 0 ; i < 6 ; i++) {
+		string[i*3] = hextoasc((addr->a[i]>>4)&0xf) ;
+		string[i*3+1] = hextoasc((addr->a[i])&0xf) ;
+		string[i*3+2] = ':' ;
+	}
+	string[5*3+2] = 0 ;
+	return(string) ;
+}
+#endif
+
+#ifdef	AM29K
+smt_ifconfig(int argc, char *argv[])
+{
+	if (argc >= 2 && !strcmp(argv[0],"opt_bypass") &&
+	    !strcmp(argv[1],"yes")) {
+		smc->mib.fddiSMTBypassPresent = 1 ;
+		return(0) ;
+	}
+	return(amdfddi_config(0,argc,argv)) ;
+}
+#endif
+
+/*
+ * return static mac index
+ */
+static int mac_index(struct s_smc *smc, int mac)
+{
+	SK_UNUSED(mac) ;
+#ifdef	CONCENTRATOR
+	SK_UNUSED(smc) ;
+	return(NUMPHYS+1) ;
+#else
+	return((smc->s.sas == SMT_SAS) ? 2 : 3) ;
+#endif
+}
+
+/*
+ * return static phy index
+ */
+static int phy_index(struct s_smc *smc, int phy)
+{
+	SK_UNUSED(smc) ;
+	return(phy+1);
+}
+
+/*
+ * return dynamic mac connection resource index
+ */
+static int mac_con_resource_index(struct s_smc *smc, int mac)
+{
+#ifdef	CONCENTRATOR
+	SK_UNUSED(smc) ;
+	SK_UNUSED(mac) ;
+	return(entity_to_index(smc,cem_get_downstream(smc,ENTITY_MAC))) ;
+#else
+	SK_UNUSED(mac) ;
+	switch (smc->mib.fddiSMTCF_State) {
+	case SC9_C_WRAP_A :
+	case SC5_THRU_B :
+	case SC11_C_WRAP_S :
+		return(1) ;
+	case SC10_C_WRAP_B :
+	case SC4_THRU_A :
+		return(2) ;
+	}
+	return(smc->s.sas == SMT_SAS ? 2 : 3) ;
+#endif
+}
+
+/*
+ * return dynamic phy connection resource index
+ */
+static int phy_con_resource_index(struct s_smc *smc, int phy)
+{
+#ifdef	CONCENTRATOR
+	return(entity_to_index(smc,cem_get_downstream(smc,ENTITY_PHY(phy)))) ;
+#else
+	switch (smc->mib.fddiSMTCF_State) {
+	case SC9_C_WRAP_A :
+		return(phy == PA ? 3 : 2) ;
+	case SC10_C_WRAP_B :
+		return(phy == PA ? 1 : 3) ;
+	case SC4_THRU_A :
+		return(phy == PA ? 3 : 1) ;
+	case SC5_THRU_B :
+		return(phy == PA ? 2 : 3) ;
+	case SC11_C_WRAP_S :
+		return(2) ;
+	}
+	return(phy) ;
+#endif
+}
+
+#ifdef	CONCENTRATOR
+static int entity_to_index(struct s_smc *smc, int e)
+{
+	if (e == ENTITY_MAC)
+		return(mac_index(smc,1)) ;
+	else
+		return(phy_index(smc,e - ENTITY_PHY(0))) ;
+}
+#endif
+
+#ifdef	LITTLE_ENDIAN
+static int smt_swap_short(u_short s)
+{
+	return(((s>>8)&0xff)|((s&0xff)<<8)) ;
+}
+
+void smt_swap_para(struct smt_header *sm, int len, int direction)
+/* int direction;	0 encode 1 decode */
+{
+	struct smt_para	*pa ;
+	const  struct smt_pdef	*pd ;
+	char	*p ;
+	int	plen ;
+	int	type ;
+	int	i ;
+
+/*	printf("smt_swap_para sm %x len %d dir %d\n",
+		sm,len,direction) ;
+ */
+	smt_string_swap((char *)sm,SWAP_SMTHEADER,len) ;
+
+	/* swap args */
+	len -= sizeof(struct smt_header) ;
+
+	p = (char *) (sm + 1) ;
+	while (len > 0) {
+		pa = (struct smt_para *) p ;
+		plen = pa->p_len ;
+		type = pa->p_type ;
+		pa->p_type = smt_swap_short(pa->p_type) ;
+		pa->p_len = smt_swap_short(pa->p_len) ;
+		if (direction) {
+			plen = pa->p_len ;
+			type = pa->p_type ;
+		}
+		/*
+		 * note: paras can have 0 length !
+		 */
+		if (plen < 0)
+			break ;
+		plen += PARA_LEN ;
+		for (i = N_SMT_PLEN, pd = smt_pdef; i ; i--,pd++) {
+			if (pd->ptype == type)
+				break ;
+		}
+		if (i && pd->pswap) {
+			smt_string_swap(p+PARA_LEN,pd->pswap,len) ;
+		}
+		len -= plen ;
+		p += plen ;
+	}
+}
+
+static void smt_string_swap(char *data, const char *format, int len)
+{
+	const char	*open_paren = 0 ;
+	int	x ;
+
+	while (len > 0  && *format) {
+		switch (*format) {
+		case '[' :
+			open_paren = format ;
+			break ;
+		case ']' :
+			format = open_paren ;
+			break ;
+		case '1' :
+		case '2' :
+		case '3' :
+		case '4' :
+		case '5' :
+		case '6' :
+		case '7' :
+		case '8' :
+		case '9' :
+			data  += *format - '0' ;
+			len   -= *format - '0' ;
+			break ;
+		case 'c':
+			data++ ;
+			len-- ;
+			break ;
+		case 's' :
+			x = data[0] ;
+			data[0] = data[1] ;
+			data[1] = x ;
+			data += 2 ;
+			len -= 2 ;
+			break ;
+		case 'l' :
+			x = data[0] ;
+			data[0] = data[3] ;
+			data[3] = x ;
+			x = data[1] ;
+			data[1] = data[2] ;
+			data[2] = x ;
+			data += 4 ;
+			len -= 4 ;
+			break ;
+		}
+		format++ ;
+	}
+}
+#else
+void smt_swap_para(struct smt_header *sm, int len, int direction)
+/* int direction;	0 encode 1 decode */
+{
+	SK_UNUSED(sm) ;
+	SK_UNUSED(len) ;
+	SK_UNUSED(direction) ;
+}
+#endif
+
+/*
+ * PMF actions
+ */
+int smt_action(struct s_smc *smc, int class, int code, int index)
+{
+	int	event ;
+	int	port ;
+	DB_SMT("SMT: action %d code %d\n",class,code) ;
+	switch(class) {
+	case SMT_STATION_ACTION :
+		switch(code) {
+		case SMT_STATION_ACTION_CONNECT :
+			smc->mib.fddiSMTRemoteDisconnectFlag = FALSE ;
+			queue_event(smc,EVENT_ECM,EC_CONNECT) ;
+			break ;
+		case SMT_STATION_ACTION_DISCONNECT :
+			queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;
+			smc->mib.fddiSMTRemoteDisconnectFlag = TRUE ;
+			RS_SET(smc,RS_DISCONNECT) ;
+			AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
+				FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_DISCONNECT,
+				smt_get_event_word(smc));
+			break ;
+		case SMT_STATION_ACTION_PATHTEST :
+			AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
+				FDDI_SMT_EVENT, (u_long) FDDI_PATH_TEST,
+				smt_get_event_word(smc));
+			break ;
+		case SMT_STATION_ACTION_SELFTEST :
+			AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
+				FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_SELF_TEST,
+				smt_get_event_word(smc));
+			break ;
+		case SMT_STATION_ACTION_DISABLE_A :
+			if (smc->y[PA].pc_mode == PM_PEER) {
+				RS_SET(smc,RS_EVENT) ;
+				queue_event(smc,EVENT_PCM+PA,PC_DISABLE) ;
+			}
+			break ;
+		case SMT_STATION_ACTION_DISABLE_B :
+			if (smc->y[PB].pc_mode == PM_PEER) {
+				RS_SET(smc,RS_EVENT) ;
+				queue_event(smc,EVENT_PCM+PB,PC_DISABLE) ;
+			}
+			break ;
+		case SMT_STATION_ACTION_DISABLE_M :
+			for (port = 0 ; port <  NUMPHYS ; port++) {
+				if (smc->mib.p[port].fddiPORTMy_Type != TM)
+					continue ;
+				RS_SET(smc,RS_EVENT) ;
+				queue_event(smc,EVENT_PCM+port,PC_DISABLE) ;
+			}
+			break ;
+		default :
+			return(1) ;
+		}
+		break ;
+	case SMT_PORT_ACTION :
+		switch(code) {
+		case SMT_PORT_ACTION_ENABLE :
+			event = PC_ENABLE ;
+			break ;
+		case SMT_PORT_ACTION_DISABLE :
+			event = PC_DISABLE ;
+			break ;
+		case SMT_PORT_ACTION_MAINT :
+			event = PC_MAINT ;
+			break ;
+		case SMT_PORT_ACTION_START :
+			event = PC_START ;
+			break ;
+		case SMT_PORT_ACTION_STOP :
+			event = PC_STOP ;
+			break ;
+		default :
+			return(1) ;
+		}
+		queue_event(smc,EVENT_PCM+index,event) ;
+		break ;
+	default :
+		return(1) ;
+	}
+	return(0) ;
+}
+
+/*
+ * change tneg
+ *	set T_Req in MIB (Path Attribute)
+ *	calculate new values for MAC
+ *	if change required
+ *		disconnect
+ *		set reconnect
+ *	end
+ */
+void smt_change_t_neg(struct s_smc *smc, u_long tneg)
+{
+	smc->mib.a[PATH0].fddiPATHMaxT_Req = tneg ;
+
+	if (smt_set_mac_opvalues(smc)) {
+		RS_SET(smc,RS_EVENT) ;
+		smc->sm.please_reconnect = 1 ;
+		queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;
+	}
+}
+
+/*
+ * canonical conversion of <len> bytes beginning form *data
+ */
+#ifdef  USE_CAN_ADDR
+void hwm_conv_can(struct s_smc *smc, char *data, int len)
+{
+	int i ;
+
+	SK_UNUSED(smc) ;
+
+	for (i = len; i ; i--, data++) {
+		*data = canonical[*(u_char *)data] ;
+	}
+}
+#endif
+
+#endif	/* no SLIM_SMT */
+