smt.c
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上传日期:2013-02-24
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- /******************************************************************************
- *
- * (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() ;
- void pcm_status_state() ;
- int pcm_status_type() ;
- extern SMbuf *smt_get_mbuf() ;
- #define EXPORT_PMF
- /*
- * function prototypes
- */
- u_long smt_get_tid() ;
- EXPORT_PMF SMbuf *smt_build_frame() ;
- EXPORT_PMF void *sm_to_para() ;
- #ifdef LITTLE_ENDIAN
- static int smt_swap_short() ;
- #endif
- static int mac_index() ;
- static int phy_index() ;
- static int mac_con_resource_index() ;
- static int phy_con_resource_index() ;
- EXPORT_PMF void smt_send_frame() ;
- EXPORT_PMF void smt_set_timestamp() ;
- static void smt_send_rdf() ;
- static void smt_send_nif() ;
- static void smt_send_ecf() ;
- static void smt_echo_test() ;
- static void smt_send_sif_config() ;
- static void smt_send_sif_operation() ;
- EXPORT_PMF void smt_swap_para() ;
- #ifdef LITTLE_ENDIAN
- static void smt_string_swap() ;
- #endif
- static void smt_add_frame_len() ;
- static void smt_fill_una() ;
- static void smt_fill_sde() ;
- static void smt_fill_state() ;
- static void smt_fill_timestamp() ;
- static void smt_fill_policy() ;
- static void smt_fill_latency() ;
- static void smt_fill_neighbor() ;
- static int smt_fill_path() ;
- static void smt_fill_mac_status() ;
- static void smt_fill_lem() ;
- static void smt_fill_version() ;
- static void smt_fill_fsc() ;
- static void smt_fill_mac_counter() ;
- static void smt_fill_mac_fnc() ;
- static void smt_fill_manufacturer() ;
- static void smt_fill_user() ;
- static void smt_fill_setcount() ;
- static void smt_fill_echo() ;
- int smt_check_para() ;
- void smt_clear_una_dna() ;
- static void smt_clear_old_una_dna() ;
- #ifdef CONCENTRATOR
- static int entity_to_index() ;
- #endif
- static void update_dac() ;
- static int div_ratio() ;
- #ifdef USE_CAN_ADDR
- void hwm_conv_can() ;
- #else
- #define hwm_conv_can(smc,data,len)
- #endif
- /*
- * 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(smc)
- 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(smc)
- 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 taskn",0,0) ;
- }
- void smt_please_reconnect(smc,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(smc, mac_index)
- 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(smc,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 expiredn",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 seperate 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 expiredn",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(upper,lower)
- 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(smc,mb,fs)
- struct s_smc *smc ;
- SMbuf *mb ;
- 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%xn",
- smt_type_name[m_fc(mb) & 0xf],sm) ;
- DB_SMT("SMT : version %d, class %sn",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 %sn",
- 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 = %sn",
- 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 = %dn",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, ignoringn",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 = %sn",
- 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 %sn",
- 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 %sn",
- addr_to_string(&sm->smt_source),0) ;
- if (fs & A_INDICATOR) {
- smc->sm.pend[SMT_TID_NIF] = 0 ;
- DB_SMT("SMT : duplicate addressn",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 DNAn",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 okn",0,0) ;
- }
- else {
- DB_SMT("SMT : expected TID %lx, got %lxn",
- 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 %sn",
- 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 %sn",
- 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 %sn",
- addr_to_string(&sm->smt_source),0) ;
- if (sm_to_para(smc,sm,SMT_P_ECHODATA) == 0) {
- DB_SMT("SMT: ECHODATA missingn",0,0) ;
- break ;
- }
- if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF]) {
- DB_SMT("SMT : ECF test TID okn",0,0) ;
- }
- else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_UNA]) {
- DB_SMT("SMT : ECF test UNA okn",0,0) ;
- }
- else if (sm->smt_tid == smc->sm.pend[SMT_TID_ECF_DNA]) {
- DB_SMT("SMT : ECF test DNA okn",0,0) ;
- }
- else {
- DB_SMT("SMT : expected TID %lx, got %lxn",
- 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 RDFn",0,0) ;
- smt_send_rdf(smc,mb,m_fc(mb),SMT_RDF_LENGTH,
- local) ;
- break ;
- }
- DB_SMT("SMT - sending ECF reply to %sn",
- 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 receivedn",0,0) ;
- fs = ess_raf_received_pack(smc,mb,sm,fs) ;
- #endif
- #ifdef SBA
- DB_SBAN(2,"SBA: RAF frame receivedn",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 RDFn",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 setn",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 %sn",
- 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 illegal frame, reason = %dn",
- illegal,0) ;
- }
- smt_free_mbuf(smc,mb) ;
- }
- static void update_dac(smc,report)
- 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
- */
- EXPORT_PMF void smt_send_frame(smc,mb,fc,local)
- struct s_smc *smc ;
- SMbuf *mb ; /* buffer to send */
- int fc ; /* FC value */
- int local ;
- {
- 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(smc,rej,fc,reason,local)
- struct s_smc *smc ;
- SMbuf *rej ; /* mbuf of offending frame */
- int fc ; /* FC of denied frame */
- int reason ; /* reason code */
- int local ;
- {
- 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%xn",
- 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(smc,dest,fc,tid,type,local)
- struct s_smc *smc ;
- struct fddi_addr *dest ; /* dest address */
- int fc ; /* frame control */
- u_long tid ; /* transaction id */
- int type ; /* frame type */
- int local ;
- {
- 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(smc,dest)
- 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(smc,dest,len)
- 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(smc,dna)
- 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(smc,dest,fc,tid,type,len)
- struct s_smc *smc ;
- 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(smc,dest,tid,local)
- struct s_smc *smc ;
- struct fddi_addr *dest ; /* dest address */
- u_long tid ; /* transaction id */
- int local ;
- {
- 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(smc,dest,tid,local)
- struct s_smc *smc ;
- struct fddi_addr *dest ; /* dest address */
- u_long tid ; /* transaction id */
- int local ;
- {
- 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
- */
- EXPORT_PMF SMbuf *smt_build_frame(smc,class,type,length)
- 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(mb,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(smc,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(smc,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(smc,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(smc,ts)
- struct s_smc *smc ;
- struct smt_p_timestamp *ts ;
- {
- SMTSETPARA(ts,SMT_P_TIMESTAMP) ;
- smt_set_timestamp(smc,ts->ts_time) ;
- }
- EXPORT_PMF void smt_set_timestamp(smc,p)
- 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(smc,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(smc,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(smc,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(smc,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(smc,st)
- 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(smc,lem,phy)
- 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(smc,vers)
- 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(smc,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(smc,mc)
- 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(smc,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(smc,man)
- 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(smc,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(smc,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(smc,echo,seed,len)
- 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(smc)
- 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(smc)
- struct s_smc *smc ;
- {
- smc->mib.m[MAC0].fddiMACOldUpstreamNbr = SMT_Unknown ;
- smc->mib.m[MAC0].fddiMACOldDownstreamNbr = SMT_Unknown ;
- }
- u_long smt_get_tid(smc)
- 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(smc,sm,list)
- 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 %xn",*p,0);
- return(-1) ;
- }
- p++ ;
- }
- return(0) ;
- }
- EXPORT_PMF void *sm_to_para(smc,sm,para)
- struct s_smc *smc ;
- struct smt_header *sm ;
- int para ;
- {
- char *p ;
- int len ;
- int plen ;
- void *found = 0 ;
- 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 %dn",plen,0) ;
- return(0) ;
- }
- if ((plen & 3) && (para != SMT_P_ECHODATA)) {
- DB_SMT("SMT : sm_to_para - odd length %dn",plen,0) ;
- return(0) ;
- }
- if (found)
- return(found) ;
- }
- return(0) ;
- }
- int is_my_addr(smc,addr)
- struct s_smc *smc ;
- 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])) ;
- }
- int is_zero(addr)
- struct fddi_addr *addr ;
- {
- return(*(short *)(&addr->a[0]) == 0 &&
- *(short *)(&addr->a[2]) == 0 &&
- *(short *)(&addr->a[4]) == 0 ) ;
- }
- int is_broadcast(addr)
- struct fddi_addr *addr ;
- {
- return(*(u_short *)(&addr->a[0]) == 0xffff &&
- *(u_short *)(&addr->a[2]) == 0xffff &&
- *(u_short *)(&addr->a[4]) == 0xffff ) ;
- }
- int is_individual(addr)
- struct fddi_addr *addr ;
- {
- return(!(addr->a[0] & GROUP_ADDR)) ;
- }
- int is_equal(addr1,addr2)
- struct fddi_addr *addr1 ;
- 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]) ) ;
- }
- #if 0
- /*
- * send ANTC data test frame
- */
- void fddi_send_antc(smc,dest)
- 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(addr)
- 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(argc,argv)
- 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(smc,mac)
- 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(smc,phy)
- struct s_smc *smc ;
- int phy ;
- {
- SK_UNUSED(smc) ;
- return(phy+1);
- }
- /*
- * return dynamic mac connection resource index
- */
- static int mac_con_resource_index(smc,mac)
- 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(smc,phy)
- 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(smc,e)
- 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(s)
- u_short s ;
- {
- return(((s>>8)&0xff)|((s&0xff)<<8)) ;
- }
- void smt_swap_para(sm,len,direction)
- struct smt_header *sm ;
- int len ;
- 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 %dn",
- 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(data,format,len)
- 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(sm,len,direction)
- struct smt_header *sm ;
- int len ;
- int direction ; /* 0 encode 1 decode */
- {
- SK_UNUSED(sm) ;
- SK_UNUSED(len) ;
- SK_UNUSED(direction) ;
- }
- #endif
- /*
- * PMF actions
- */
- int smt_action(smc,class,code,index)
- struct s_smc *smc ;
- int class ;
- int code ;
- int index ;
- {
- int event ;
- int port ;
- DB_SMT("SMT: action %d code %dn",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(smc,tneg)
- 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(smc,data,len)
- 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 */