smtdef.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.
- *
- ******************************************************************************/
- /*
- SMT/CMT defaults
- */
- #include "h/types.h"
- #include "h/fddi.h"
- #include "h/smc.h"
- #ifndef OEM_USER_DATA
- #define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata"
- #endif
- #ifndef lint
- static const char ID_sccs[] = "@(#)smtdef.c 2.53 99/08/11 (C) SK " ;
- #endif
- /*
- * defaults
- */
- #define TTMS(x) ((u_long)(x)*1000L)
- #define TTS(x) ((u_long)(x)*1000000L)
- #define TTUS(x) ((u_long)(x))
- #define DEFAULT_TB_MIN TTMS(5)
- #define DEFAULT_TB_MAX TTMS(50)
- #define DEFAULT_C_MIN TTUS(1600)
- #define DEFAULT_T_OUT TTMS(100+5)
- #define DEFAULT_TL_MIN TTUS(30)
- #define DEFAULT_LC_SHORT TTMS(50+5)
- #define DEFAULT_LC_MEDIUM TTMS(500+20)
- #define DEFAULT_LC_LONG TTS(5)+TTMS(50)
- #define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50)
- #define DEFAULT_T_NEXT_9 TTMS(200+10)
- #define DEFAULT_NS_MAX TTUS(1310)
- #define DEFAULT_I_MAX TTMS(25)
- #define DEFAULT_IN_MAX TTMS(40)
- #define DEFAULT_TD_MIN TTMS(5)
- #define DEFAULT_T_NON_OP TTS(1)
- #define DEFAULT_T_STUCK TTS(8)
- #define DEFAULT_T_DIRECT TTMS(370)
- #define DEFAULT_T_JAM TTMS(370)
- #define DEFAULT_T_ANNOUNCE TTMS(2500)
- #define DEFAULT_D_MAX TTUS(1617)
- #define DEFAULT_LEM_ALARM (8)
- #define DEFAULT_LEM_CUTOFF (7)
- #define DEFAULT_TEST_DONE TTS(1)
- #define DEFAULT_CHECK_POLL TTS(1)
- #define DEFAULT_POLL TTMS(50)
- /*
- * LCT errors threshold
- */
- #define DEFAULT_LCT_SHORT 1
- #define DEFAULT_LCT_MEDIUM 3
- #define DEFAULT_LCT_LONG 5
- #define DEFAULT_LCT_EXTEND 50
- /* Forward declarations */
- extern void smt_reset_defaults ();
- static void smt_init_mib ();
- static int set_min_max() ;
- void smt_set_defaults(smc)
- struct s_smc *smc ;
- {
- smt_reset_defaults(smc,0) ;
- }
- #define MS2BCLK(x) ((x)*12500L)
- #define US2BCLK(x) ((x)*1250L)
- void smt_reset_defaults(smc,level)
- struct s_smc *smc ;
- int level ;
- {
- struct smt_config *smt ;
- int i ;
- u_long smt_boot_time;
- smt_init_mib(smc,level) ;
- smc->os.smc_version = SMC_VERSION ;
- smt_boot_time = smt_get_time();
- for( i = 0; i < NUMMACS; i++ )
- smc->sm.last_tok_time[i] = smt_boot_time ;
- smt = &smc->s ;
- smt->attach_s = 0 ;
- smt->build_ring_map = 1 ;
- smt->sas = SMT_DAS ;
- smt->numphys = NUMPHYS ;
- smt->pcm_tb_min = DEFAULT_TB_MIN ;
- smt->pcm_tb_max = DEFAULT_TB_MAX ;
- smt->pcm_c_min = DEFAULT_C_MIN ;
- smt->pcm_t_out = DEFAULT_T_OUT ;
- smt->pcm_tl_min = DEFAULT_TL_MIN ;
- smt->pcm_lc_short = DEFAULT_LC_SHORT ;
- smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;
- smt->pcm_lc_long = DEFAULT_LC_LONG ;
- smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;
- smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;
- smt->pcm_ns_max = DEFAULT_NS_MAX ;
- smt->ecm_i_max = DEFAULT_I_MAX ;
- smt->ecm_in_max = DEFAULT_IN_MAX ;
- smt->ecm_td_min = DEFAULT_TD_MIN ;
- smt->ecm_test_done = DEFAULT_TEST_DONE ;
- smt->ecm_check_poll = DEFAULT_CHECK_POLL ;
- smt->rmt_t_non_op = DEFAULT_T_NON_OP ;
- smt->rmt_t_stuck = DEFAULT_T_STUCK ;
- smt->rmt_t_direct = DEFAULT_T_DIRECT ;
- smt->rmt_t_jam = DEFAULT_T_JAM ;
- smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;
- smt->rmt_t_poll = DEFAULT_POLL ;
- smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */
- smt->mac_d_max = DEFAULT_D_MAX ;
- smt->lct_short = DEFAULT_LCT_SHORT ;
- smt->lct_medium = DEFAULT_LCT_MEDIUM ;
- smt->lct_long = DEFAULT_LCT_LONG ;
- smt->lct_extended = DEFAULT_LCT_EXTEND ;
- #ifndef SLIM_SMT
- #ifdef ESS
- if (level == 0) {
- smc->ess.sync_bw_available = FALSE ;
- smc->mib.fddiESSPayload = 0 ;
- smc->mib.fddiESSOverhead = 0 ;
- smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;
- smc->mib.fddiESSMinSegmentSize = 1 ;
- smc->mib.fddiESSCategory = SB_STATIC ;
- smc->mib.fddiESSSynchTxMode = FALSE ;
- smc->ess.raf_act_timer_poll = FALSE ;
- smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */
- }
- smc->ess.local_sba_active = FALSE ;
- smc->ess.sba_reply_pend = NULL ;
- #endif
- #ifdef SBA
- smt_init_sba(smc,level) ;
- #endif
- #endif /* no SLIM_SMT */
- #ifdef TAG_MODE
- if (level == 0) {
- smc->hw.pci_fix_value = 0 ;
- }
- #endif
- }
- /*
- * manufacturer data
- */
- static const char man_data[32] =
- /* 01234567890123456789012345678901 */
- "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;
- static void smt_init_mib(smc,level)
- struct s_smc *smc ;
- int level ;
- {
- struct fddi_mib *mib ;
- struct fddi_mib_p *pm ;
- int port ;
- int path ;
- mib = &smc->mib ;
- if (level == 0) {
- /*
- * set EVERYTHING to ZERO
- * EXCEPT hw and os
- */
- memset(((char *)smc)+
- sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,
- sizeof(struct s_smc) -
- sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;
- }
- else {
- mib->fddiSMTRemoteDisconnectFlag = 0 ;
- mib->fddiSMTPeerWrapFlag = 0 ;
- }
- mib->fddiSMTOpVersionId = 2 ;
- mib->fddiSMTHiVersionId = 2 ;
- mib->fddiSMTLoVersionId = 2 ;
- memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;
- if (level == 0) {
- strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;
- }
- mib->fddiSMTMIBVersionId = 1 ;
- mib->fddiSMTMac_Ct = NUMMACS ;
- mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;
- /*
- * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib
- * s.sas is not set yet (is set in init driver)
- */
- mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;
- mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/
- mib->fddiSMTTT_Notify = 10 ;
- mib->fddiSMTStatRptPolicy = TRUE ;
- mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;
- mib->fddiSMTMACIndexes = INDEX_MAC ;
- mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* seperated */
- mib->m[MAC0].fddiMACIndex = INDEX_MAC ;
- mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;
- mib->m[MAC0].fddiMACRequestedPaths =
- MIB_P_PATH_LOCAL |
- MIB_P_PATH_SEC_ALTER |
- MIB_P_PATH_PRIM_ALTER ;
- mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;
- mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;
- mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;
- mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
- if (level == 0) {
- mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
- mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
- mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;
- mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;
- mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;
- mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;
- mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;
- }
- mib->m[MAC0].fddiMACHardwarePresent = TRUE ;
- mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;
- mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;
- mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;
- /*
- * Path attributes
- */
- for (path = 0 ; path < NUMPATHS ; path++) {
- mib->a[path].fddiPATHIndex = INDEX_PATH + path ;
- if (level == 0) {
- mib->a[path].fddiPATHTVXLowerBound =
- (u_long)(- US2BCLK(27)) ;
- mib->a[path].fddiPATHT_MaxLowerBound =
- (u_long)(- MS2BCLK(165)) ;
- mib->a[path].fddiPATHMaxT_Req =
- (u_long)(- MS2BCLK(165)) ;
- }
- }
- /*
- * Port attributes
- */
- pm = mib->p ;
- for (port = 0 ; port < NUMPHYS ; port++) {
- /*
- * set MIB pointer in phy
- */
- /* Attention: don't initialize mib pointer here! */
- /* It must be initialized during phase 2 */
- smc->y[port].mib = 0 ;
- mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;
- pm->fddiPORTIndex = port+INDEX_PORT ;
- pm->fddiPORTHardwarePresent = TRUE ;
- if (level == 0) {
- pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;
- pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;
- }
- /*
- * fddiPORTRequestedPaths are set in pcmplc.c
- * we don't know the port type yet !
- */
- pm->fddiPORTRequestedPaths[1] = 0 ;
- pm->fddiPORTRequestedPaths[2] = 0 ;
- pm->fddiPORTRequestedPaths[3] = 0 ;
- pm->fddiPORTAvailablePaths = MIB_PATH_P ;
- pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;
- pm++ ;
- }
- (void) smt_set_mac_opvalues(smc) ;
- }
- int smt_set_mac_opvalues(smc)
- struct s_smc *smc ;
- {
- int st ;
- int st2 ;
- st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,
- smc->mib.a[PATH0].fddiPATHTVXLowerBound,
- &smc->mib.m[MAC0].fddiMACTvxValue) ;
- st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,
- smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,
- &smc->mib.m[MAC0].fddiMACT_Max) ;
- st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,
- smc->mib.a[PATH0].fddiPATHMaxT_Req,
- &smc->mib.m[MAC0].fddiMACT_Req)) ;
- if (st2) {
- /* Treq attribute changed remotely. So send an AIX_EVENT to the
- * user
- */
- AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
- FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,
- smt_get_event_word(smc));
- }
- return(st) ;
- }
- void smt_fixup_mib(smc)
- struct s_smc *smc ;
- {
- #ifdef CONCENTRATOR
- switch (smc->s.sas) {
- case SMT_SAS :
- smc->mib.fddiSMTNonMaster_Ct = 1 ;
- break ;
- case SMT_DAS :
- smc->mib.fddiSMTNonMaster_Ct = 2 ;
- break ;
- case SMT_NAC :
- smc->mib.fddiSMTNonMaster_Ct = 0 ;
- break ;
- }
- smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;
- #else
- switch (smc->s.sas) {
- case SMT_SAS :
- smc->mib.fddiSMTNonMaster_Ct = 1 ;
- break ;
- case SMT_DAS :
- smc->mib.fddiSMTNonMaster_Ct = 2 ;
- break ;
- }
- smc->mib.fddiSMTMaster_Ct = 0 ;
- #endif
- }
- /*
- * determine new setting for operational value
- * if limit is lower than mib
- * use limit
- * else
- * use mib
- * NOTE : numbers are negative, negate comparison !
- */
- static int set_min_max(maxflag,mib,limit,oper)
- int maxflag ;
- u_long mib ;
- u_long limit ;
- u_long *oper ;
- {
- u_long old ;
- old = *oper ;
- if ((limit > mib) ^ maxflag)
- *oper = limit ;
- else
- *oper = mib ;
- return(old != *oper) ;
- }