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 /* 26 * defaults 27 */ 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 threshold 60 */ 61 #define DEFAULT_LCT_SHORT 1 62 #define DEFAULT_LCT_MEDIUM 3 63 #define DEFAULT_LCT_LONG 5 64 #define DEFAULT_LCT_EXTEND 50 65 66 /* Forward declarations */ 67 void smt_reset_defaults(struct s_smc *smc, int level); 68 static void smt_init_mib(struct s_smc *smc, int level); 69 static 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 smt_reset_defaults(struct s_smc * smc,int level)74 void 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_SMT 123 #ifdef ESS 124 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 #endif 138 #ifdef SBA 139 smt_init_sba(smc,level) ; 140 #endif 141 #endif /* no SLIM_SMT */ 142 #ifdef TAG_MODE 143 if (level == 0) { 144 smc->hw.pci_fix_value = 0 ; 145 } 146 #endif 147 } 148 149 /* 150 * manufacturer data 151 */ 152 static const char man_data[32] = 153 /* 01234567890123456789012345678901 */ 154 "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ; 155 smt_init_mib(struct s_smc * smc,int level)156 static 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 ZERO 167 * EXCEPT hw and os 168 */ 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_mib 192 * 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 attributes 228 */ 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 attributes 244 */ 245 pm = mib->p ; 246 for (port = 0 ; port < NUMPHYS ; port++) { 247 /* 248 * set MIB pointer in phy 249 */ 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.c 263 * 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 smt_set_mac_opvalues(struct s_smc * smc)276 int 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 the 292 * user 293 */ 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 smt_fixup_mib(struct s_smc * smc)301 void smt_fixup_mib(struct s_smc *smc) 302 { 303 #ifdef CONCENTRATOR 304 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 #else 317 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 #endif 327 } 328 329 /* 330 * determine new setting for operational value 331 * if limit is lower than mib 332 * use limit 333 * else 334 * use mib 335 * NOTE : numbers are negative, negate comparison ! 336 */ set_min_max(int maxflag,u_long mib,u_long limit,u_long * oper)337 static 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 else 344 *oper = mib ; 345 return old != *oper; 346 } 347 348