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1// SPDX-License-Identifier: GPL-2.0-or-later2/******************************************************************************3 *4 * (C)Copyright 1998,1999 SysKonnect,5 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.6 *7 * See the file "skfddi.c" for further information.8 *9 * The information in this file is provided "AS IS" without warranty.10 *11 ******************************************************************************/12 13/*14 SMT/CMT defaults15*/16 17#include "h/types.h"18#include "h/fddi.h"19#include "h/smc.h"20 21#ifndef OEM_USER_DATA22#define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata"23#endif24 25/*26 * defaults27 */28#define TTMS(x) ((u_long)(x)*1000L)29#define TTS(x) ((u_long)(x)*1000000L)30#define TTUS(x) ((u_long)(x))31 32#define DEFAULT_TB_MIN TTMS(5)33#define DEFAULT_TB_MAX TTMS(50)34#define DEFAULT_C_MIN TTUS(1600)35#define DEFAULT_T_OUT TTMS(100+5)36#define DEFAULT_TL_MIN TTUS(30)37#define DEFAULT_LC_SHORT TTMS(50+5)38#define DEFAULT_LC_MEDIUM TTMS(500+20)39#define DEFAULT_LC_LONG TTS(5)+TTMS(50)40#define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50)41#define DEFAULT_T_NEXT_9 TTMS(200+10)42#define DEFAULT_NS_MAX TTUS(1310)43#define DEFAULT_I_MAX TTMS(25)44#define DEFAULT_IN_MAX TTMS(40)45#define DEFAULT_TD_MIN TTMS(5)46#define DEFAULT_T_NON_OP TTS(1)47#define DEFAULT_T_STUCK TTS(8)48#define DEFAULT_T_DIRECT TTMS(370)49#define DEFAULT_T_JAM TTMS(370)50#define DEFAULT_T_ANNOUNCE TTMS(2500)51#define DEFAULT_D_MAX TTUS(1617)52#define DEFAULT_LEM_ALARM (8)53#define DEFAULT_LEM_CUTOFF (7)54#define DEFAULT_TEST_DONE TTS(1)55#define DEFAULT_CHECK_POLL TTS(1)56#define DEFAULT_POLL TTMS(50)57 58/*59 * LCT errors threshold60 */61#define DEFAULT_LCT_SHORT 162#define DEFAULT_LCT_MEDIUM 363#define DEFAULT_LCT_LONG 564#define DEFAULT_LCT_EXTEND 5065 66/* Forward declarations */67void smt_reset_defaults(struct s_smc *smc, int level);68static void smt_init_mib(struct s_smc *smc, int level);69static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper);70 71#define MS2BCLK(x) ((x)*12500L)72#define US2BCLK(x) ((x)*1250L)73 74void smt_reset_defaults(struct s_smc *smc, int level)75{76 struct smt_config *smt ;77 int i ;78 u_long smt_boot_time;79 80 81 smt_init_mib(smc,level) ;82 83 smc->os.smc_version = SMC_VERSION ;84 smt_boot_time = smt_get_time();85 for( i = 0; i < NUMMACS; i++ )86 smc->sm.last_tok_time[i] = smt_boot_time ;87 smt = &smc->s ;88 smt->attach_s = 0 ;89 smt->build_ring_map = 1 ;90 smt->sas = SMT_DAS ;91 smt->numphys = NUMPHYS ;92 smt->pcm_tb_min = DEFAULT_TB_MIN ;93 smt->pcm_tb_max = DEFAULT_TB_MAX ;94 smt->pcm_c_min = DEFAULT_C_MIN ;95 smt->pcm_t_out = DEFAULT_T_OUT ;96 smt->pcm_tl_min = DEFAULT_TL_MIN ;97 smt->pcm_lc_short = DEFAULT_LC_SHORT ;98 smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;99 smt->pcm_lc_long = DEFAULT_LC_LONG ;100 smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;101 smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;102 smt->pcm_ns_max = DEFAULT_NS_MAX ;103 smt->ecm_i_max = DEFAULT_I_MAX ;104 smt->ecm_in_max = DEFAULT_IN_MAX ;105 smt->ecm_td_min = DEFAULT_TD_MIN ;106 smt->ecm_test_done = DEFAULT_TEST_DONE ;107 smt->ecm_check_poll = DEFAULT_CHECK_POLL ;108 smt->rmt_t_non_op = DEFAULT_T_NON_OP ;109 smt->rmt_t_stuck = DEFAULT_T_STUCK ;110 smt->rmt_t_direct = DEFAULT_T_DIRECT ;111 smt->rmt_t_jam = DEFAULT_T_JAM ;112 smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;113 smt->rmt_t_poll = DEFAULT_POLL ;114 smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */115 smt->mac_d_max = DEFAULT_D_MAX ;116 117 smt->lct_short = DEFAULT_LCT_SHORT ;118 smt->lct_medium = DEFAULT_LCT_MEDIUM ;119 smt->lct_long = DEFAULT_LCT_LONG ;120 smt->lct_extended = DEFAULT_LCT_EXTEND ;121 122#ifndef SLIM_SMT123#ifdef ESS124 if (level == 0) {125 smc->ess.sync_bw_available = FALSE ;126 smc->mib.fddiESSPayload = 0 ;127 smc->mib.fddiESSOverhead = 0 ;128 smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;129 smc->mib.fddiESSMinSegmentSize = 1 ;130 smc->mib.fddiESSCategory = SB_STATIC ;131 smc->mib.fddiESSSynchTxMode = FALSE ;132 smc->ess.raf_act_timer_poll = FALSE ;133 smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */134 }135 smc->ess.local_sba_active = FALSE ;136 smc->ess.sba_reply_pend = NULL ;137#endif138#ifdef SBA139 smt_init_sba(smc,level) ;140#endif141#endif /* no SLIM_SMT */142#ifdef TAG_MODE143 if (level == 0) {144 smc->hw.pci_fix_value = 0 ;145 }146#endif147}148 149/*150 * manufacturer data151 */152static const char man_data[32] =153/* 01234567890123456789012345678901 */154 "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;155 156static void smt_init_mib(struct s_smc *smc, int level)157{158 struct fddi_mib *mib ;159 struct fddi_mib_p *pm ;160 int port ;161 int path ;162 163 mib = &smc->mib ;164 if (level == 0) {165 /*166 * set EVERYTHING to ZERO167 * EXCEPT hw and os168 */169 memset(((char *)smc)+170 sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,171 sizeof(struct s_smc) -172 sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;173 }174 else {175 mib->fddiSMTRemoteDisconnectFlag = 0 ;176 mib->fddiSMTPeerWrapFlag = 0 ;177 }178 179 mib->fddiSMTOpVersionId = 2 ;180 mib->fddiSMTHiVersionId = 2 ;181 mib->fddiSMTLoVersionId = 2 ;182 memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;183 if (level == 0) {184 strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;185 }186 mib->fddiSMTMIBVersionId = 1 ;187 mib->fddiSMTMac_Ct = NUMMACS ;188 mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;189 190 /*191 * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib192 * s.sas is not set yet (is set in init driver)193 */194 mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;195 196 mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/197 mib->fddiSMTTT_Notify = 10 ;198 mib->fddiSMTStatRptPolicy = TRUE ;199 mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;200 mib->fddiSMTMACIndexes = INDEX_MAC ;201 mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */202 203 mib->m[MAC0].fddiMACIndex = INDEX_MAC ;204 mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;205 mib->m[MAC0].fddiMACRequestedPaths =206 MIB_P_PATH_LOCAL |207 MIB_P_PATH_SEC_ALTER |208 MIB_P_PATH_PRIM_ALTER ;209 mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;210 mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;211 mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;212 mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;213 if (level == 0) {214 mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;215 mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;216 mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;217 mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;218 mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;219 mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;220 mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;221 }222 mib->m[MAC0].fddiMACHardwarePresent = TRUE ;223 mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;224 mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;225 mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;226 /*227 * Path attributes228 */229 for (path = 0 ; path < NUMPATHS ; path++) {230 mib->a[path].fddiPATHIndex = INDEX_PATH + path ;231 if (level == 0) {232 mib->a[path].fddiPATHTVXLowerBound =233 (u_long)(- US2BCLK(27)) ;234 mib->a[path].fddiPATHT_MaxLowerBound =235 (u_long)(- MS2BCLK(165)) ;236 mib->a[path].fddiPATHMaxT_Req =237 (u_long)(- MS2BCLK(165)) ;238 }239 }240 241 242 /*243 * Port attributes244 */245 pm = mib->p ;246 for (port = 0 ; port < NUMPHYS ; port++) {247 /*248 * set MIB pointer in phy249 */250 /* Attention: don't initialize mib pointer here! */251 /* It must be initialized during phase 2 */252 smc->y[port].mib = NULL;253 mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;254 255 pm->fddiPORTIndex = port+INDEX_PORT ;256 pm->fddiPORTHardwarePresent = TRUE ;257 if (level == 0) {258 pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;259 pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;260 }261 /*262 * fddiPORTRequestedPaths are set in pcmplc.c263 * we don't know the port type yet !264 */265 pm->fddiPORTRequestedPaths[1] = 0 ;266 pm->fddiPORTRequestedPaths[2] = 0 ;267 pm->fddiPORTRequestedPaths[3] = 0 ;268 pm->fddiPORTAvailablePaths = MIB_PATH_P ;269 pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;270 pm++ ;271 }272 273 (void) smt_set_mac_opvalues(smc) ;274}275 276int smt_set_mac_opvalues(struct s_smc *smc)277{278 int st ;279 int st2 ;280 281 st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,282 smc->mib.a[PATH0].fddiPATHTVXLowerBound,283 &smc->mib.m[MAC0].fddiMACTvxValue) ;284 st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,285 smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,286 &smc->mib.m[MAC0].fddiMACT_Max) ;287 st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,288 smc->mib.a[PATH0].fddiPATHMaxT_Req,289 &smc->mib.m[MAC0].fddiMACT_Req)) ;290 if (st2) {291 /* Treq attribute changed remotely. So send an AIX_EVENT to the292 * user293 */294 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)295 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,296 smt_get_event_word(smc));297 }298 return st;299}300 301void smt_fixup_mib(struct s_smc *smc)302{303#ifdef CONCENTRATOR304 switch (smc->s.sas) {305 case SMT_SAS :306 smc->mib.fddiSMTNonMaster_Ct = 1 ;307 break ;308 case SMT_DAS :309 smc->mib.fddiSMTNonMaster_Ct = 2 ;310 break ;311 case SMT_NAC :312 smc->mib.fddiSMTNonMaster_Ct = 0 ;313 break ;314 }315 smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;316#else317 switch (smc->s.sas) {318 case SMT_SAS :319 smc->mib.fddiSMTNonMaster_Ct = 1 ;320 break ;321 case SMT_DAS :322 smc->mib.fddiSMTNonMaster_Ct = 2 ;323 break ;324 }325 smc->mib.fddiSMTMaster_Ct = 0 ;326#endif327}328 329/*330 * determine new setting for operational value331 * if limit is lower than mib332 * use limit333 * else334 * use mib335 * NOTE : numbers are negative, negate comparison !336 */337static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper)338{339 u_long old ;340 old = *oper ;341 if ((limit > mib) ^ maxflag)342 *oper = limit ;343 else344 *oper = mib ;345 return old != *oper;346}347 348