1// SPDX-License-Identifier: GPL-2.0-or-later 2/****************************************************************************** 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 defaults 15*/ 16 17#include "h/types.h" 18#include "h/fddi.h" 19#include "h/smc.h" 20 21#ifndef OEM_USER_DATA 22#define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata" 23#endif 24 25#ifndef lint 26static const char ID_sccs[] = "@(#)smtdef.c 2.53 99/08/11 (C) SK " ; 27#endif 28 29/* 30 * defaults 31 */ 32#define TTMS(x) ((u_long)(x)*1000L) 33#define TTS(x) ((u_long)(x)*1000000L) 34#define TTUS(x) ((u_long)(x)) 35 36#define DEFAULT_TB_MIN TTMS(5) 37#define DEFAULT_TB_MAX TTMS(50) 38#define DEFAULT_C_MIN TTUS(1600) 39#define DEFAULT_T_OUT TTMS(100+5) 40#define DEFAULT_TL_MIN TTUS(30) 41#define DEFAULT_LC_SHORT TTMS(50+5) 42#define DEFAULT_LC_MEDIUM TTMS(500+20) 43#define DEFAULT_LC_LONG TTS(5)+TTMS(50) 44#define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50) 45#define DEFAULT_T_NEXT_9 TTMS(200+10) 46#define DEFAULT_NS_MAX TTUS(1310) 47#define DEFAULT_I_MAX TTMS(25) 48#define DEFAULT_IN_MAX TTMS(40) 49#define DEFAULT_TD_MIN TTMS(5) 50#define DEFAULT_T_NON_OP TTS(1) 51#define DEFAULT_T_STUCK TTS(8) 52#define DEFAULT_T_DIRECT TTMS(370) 53#define DEFAULT_T_JAM TTMS(370) 54#define DEFAULT_T_ANNOUNCE TTMS(2500) 55#define DEFAULT_D_MAX TTUS(1617) 56#define DEFAULT_LEM_ALARM (8) 57#define DEFAULT_LEM_CUTOFF (7) 58#define DEFAULT_TEST_DONE TTS(1) 59#define DEFAULT_CHECK_POLL TTS(1) 60#define DEFAULT_POLL TTMS(50) 61 62/* 63 * LCT errors threshold 64 */ 65#define DEFAULT_LCT_SHORT 1 66#define DEFAULT_LCT_MEDIUM 3 67#define DEFAULT_LCT_LONG 5 68#define DEFAULT_LCT_EXTEND 50 69 70/* Forward declarations */ 71void smt_reset_defaults(struct s_smc *smc, int level); 72static void smt_init_mib(struct s_smc *smc, int level); 73static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper); 74 75#define MS2BCLK(x) ((x)*12500L) 76#define US2BCLK(x) ((x)*1250L) 77 78void smt_reset_defaults(struct s_smc *smc, int level) 79{ 80 struct smt_config *smt ; 81 int i ; 82 u_long smt_boot_time; 83 84 85 smt_init_mib(smc,level) ; 86 87 smc->os.smc_version = SMC_VERSION ; 88 smt_boot_time = smt_get_time(); 89 for( i = 0; i < NUMMACS; i++ ) 90 smc->sm.last_tok_time[i] = smt_boot_time ; 91 smt = &smc->s ; 92 smt->attach_s = 0 ; 93 smt->build_ring_map = 1 ; 94 smt->sas = SMT_DAS ; 95 smt->numphys = NUMPHYS ; 96 smt->pcm_tb_min = DEFAULT_TB_MIN ; 97 smt->pcm_tb_max = DEFAULT_TB_MAX ; 98 smt->pcm_c_min = DEFAULT_C_MIN ; 99 smt->pcm_t_out = DEFAULT_T_OUT ; 100 smt->pcm_tl_min = DEFAULT_TL_MIN ; 101 smt->pcm_lc_short = DEFAULT_LC_SHORT ; 102 smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ; 103 smt->pcm_lc_long = DEFAULT_LC_LONG ; 104 smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ; 105 smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ; 106 smt->pcm_ns_max = DEFAULT_NS_MAX ; 107 smt->ecm_i_max = DEFAULT_I_MAX ; 108 smt->ecm_in_max = DEFAULT_IN_MAX ; 109 smt->ecm_td_min = DEFAULT_TD_MIN ; 110 smt->ecm_test_done = DEFAULT_TEST_DONE ; 111 smt->ecm_check_poll = DEFAULT_CHECK_POLL ; 112 smt->rmt_t_non_op = DEFAULT_T_NON_OP ; 113 smt->rmt_t_stuck = DEFAULT_T_STUCK ; 114 smt->rmt_t_direct = DEFAULT_T_DIRECT ; 115 smt->rmt_t_jam = DEFAULT_T_JAM ; 116 smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ; 117 smt->rmt_t_poll = DEFAULT_POLL ; 118 smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */ 119 smt->mac_d_max = DEFAULT_D_MAX ; 120 121 smt->lct_short = DEFAULT_LCT_SHORT ; 122 smt->lct_medium = DEFAULT_LCT_MEDIUM ; 123 smt->lct_long = DEFAULT_LCT_LONG ; 124 smt->lct_extended = DEFAULT_LCT_EXTEND ; 125 126#ifndef SLIM_SMT 127#ifdef ESS 128 if (level == 0) { 129 smc->ess.sync_bw_available = FALSE ; 130 smc->mib.fddiESSPayload = 0 ; 131 smc->mib.fddiESSOverhead = 0 ; 132 smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ; 133 smc->mib.fddiESSMinSegmentSize = 1 ; 134 smc->mib.fddiESSCategory = SB_STATIC ; 135 smc->mib.fddiESSSynchTxMode = FALSE ; 136 smc->ess.raf_act_timer_poll = FALSE ; 137 smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */ 138 } 139 smc->ess.local_sba_active = FALSE ; 140 smc->ess.sba_reply_pend = NULL ; 141#endif 142#ifdef SBA 143 smt_init_sba(smc,level) ; 144#endif 145#endif /* no SLIM_SMT */ 146#ifdef TAG_MODE 147 if (level == 0) { 148 smc->hw.pci_fix_value = 0 ; 149 } 150#endif 151} 152 153/* 154 * manufacturer data 155 */ 156static const char man_data[32] = 157/* 01234567890123456789012345678901 */ 158 "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ; 159 160static void smt_init_mib(struct s_smc *smc, int level) 161{ 162 struct fddi_mib *mib ; 163 struct fddi_mib_p *pm ; 164 int port ; 165 int path ; 166 167 mib = &smc->mib ; 168 if (level == 0) { 169 /* 170 * set EVERYTHING to ZERO 171 * EXCEPT hw and os 172 */ 173 memset(((char *)smc)+ 174 sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0, 175 sizeof(struct s_smc) - 176 sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ; 177 } 178 else { 179 mib->fddiSMTRemoteDisconnectFlag = 0 ; 180 mib->fddiSMTPeerWrapFlag = 0 ; 181 } 182 183 mib->fddiSMTOpVersionId = 2 ; 184 mib->fddiSMTHiVersionId = 2 ; 185 mib->fddiSMTLoVersionId = 2 ; 186 memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ; 187 if (level == 0) { 188 strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ; 189 } 190 mib->fddiSMTMIBVersionId = 1 ; 191 mib->fddiSMTMac_Ct = NUMMACS ; 192 mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ; 193 194 /* 195 * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib 196 * s.sas is not set yet (is set in init driver) 197 */ 198 mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ; 199 200 mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/ 201 mib->fddiSMTTT_Notify = 10 ; 202 mib->fddiSMTStatRptPolicy = TRUE ; 203 mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ; 204 mib->fddiSMTMACIndexes = INDEX_MAC ; 205 mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */ 206 207 mib->m[MAC0].fddiMACIndex = INDEX_MAC ; 208 mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ; 209 mib->m[MAC0].fddiMACRequestedPaths = 210 MIB_P_PATH_LOCAL | 211 MIB_P_PATH_SEC_ALTER | 212 MIB_P_PATH_PRIM_ALTER ; 213 mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ; 214 mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ; 215 mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ; 216 mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ; 217 if (level == 0) { 218 mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ; 219 mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ; 220 mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ; 221 mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ; 222 mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ; 223 mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ; 224 mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ; 225 } 226 mib->m[MAC0].fddiMACHardwarePresent = TRUE ; 227 mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ; 228 mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ; 229 mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ; 230 /* 231 * Path attributes 232 */ 233 for (path = 0 ; path < NUMPATHS ; path++) { 234 mib->a[path].fddiPATHIndex = INDEX_PATH + path ; 235 if (level == 0) { 236 mib->a[path].fddiPATHTVXLowerBound = 237 (u_long)(- US2BCLK(27)) ; 238 mib->a[path].fddiPATHT_MaxLowerBound = 239 (u_long)(- MS2BCLK(165)) ; 240 mib->a[path].fddiPATHMaxT_Req = 241 (u_long)(- MS2BCLK(165)) ; 242 } 243 } 244 245 246 /* 247 * Port attributes 248 */ 249 pm = mib->p ; 250 for (port = 0 ; port < NUMPHYS ; port++) { 251 /* 252 * set MIB pointer in phy 253 */ 254 /* Attention: don't initialize mib pointer here! */ 255 /* It must be initialized during phase 2 */ 256 smc->y[port].mib = NULL; 257 mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ; 258 259 pm->fddiPORTIndex = port+INDEX_PORT ; 260 pm->fddiPORTHardwarePresent = TRUE ; 261 if (level == 0) { 262 pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ; 263 pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ; 264 } 265 /* 266 * fddiPORTRequestedPaths are set in pcmplc.c 267 * we don't know the port type yet ! 268 */ 269 pm->fddiPORTRequestedPaths[1] = 0 ; 270 pm->fddiPORTRequestedPaths[2] = 0 ; 271 pm->fddiPORTRequestedPaths[3] = 0 ; 272 pm->fddiPORTAvailablePaths = MIB_PATH_P ; 273 pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ; 274 pm++ ; 275 } 276 277 (void) smt_set_mac_opvalues(smc) ; 278} 279 280int smt_set_mac_opvalues(struct s_smc *smc) 281{ 282 int st ; 283 int st2 ; 284 285 st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB, 286 smc->mib.a[PATH0].fddiPATHTVXLowerBound, 287 &smc->mib.m[MAC0].fddiMACTvxValue) ; 288 st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB, 289 smc->mib.a[PATH0].fddiPATHT_MaxLowerBound, 290 &smc->mib.m[MAC0].fddiMACT_Max) ; 291 st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB, 292 smc->mib.a[PATH0].fddiPATHMaxT_Req, 293 &smc->mib.m[MAC0].fddiMACT_Req)) ; 294 if (st2) { 295 /* Treq attribute changed remotely. So send an AIX_EVENT to the 296 * user 297 */ 298 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long) 299 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ, 300 smt_get_event_word(smc)); 301 } 302 return st; 303} 304 305void smt_fixup_mib(struct s_smc *smc) 306{ 307#ifdef CONCENTRATOR 308 switch (smc->s.sas) { 309 case SMT_SAS : 310 smc->mib.fddiSMTNonMaster_Ct = 1 ; 311 break ; 312 case SMT_DAS : 313 smc->mib.fddiSMTNonMaster_Ct = 2 ; 314 break ; 315 case SMT_NAC : 316 smc->mib.fddiSMTNonMaster_Ct = 0 ; 317 break ; 318 } 319 smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ; 320#else 321 switch (smc->s.sas) { 322 case SMT_SAS : 323 smc->mib.fddiSMTNonMaster_Ct = 1 ; 324 break ; 325 case SMT_DAS : 326 smc->mib.fddiSMTNonMaster_Ct = 2 ; 327 break ; 328 } 329 smc->mib.fddiSMTMaster_Ct = 0 ; 330#endif 331} 332 333/* 334 * determine new setting for operational value 335 * if limit is lower than mib 336 * use limit 337 * else 338 * use mib 339 * NOTE : numbers are negative, negate comparison ! 340 */ 341static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper) 342{ 343 u_long old ; 344 old = *oper ; 345 if ((limit > mib) ^ maxflag) 346 *oper = limit ; 347 else 348 *oper = mib ; 349 return old != *oper; 350} 351 352