drivers/net/skfp/smtdef.c

   1 /******************************************************************************
   2  *
   3  *      (C)Copyright 1998,1999 SysKonnect,
   4  *      a business unit of Schneider & Koch & Co. Datensysteme GmbH.
   5  *
   6  *      See the file "skfddi.c" for further information.
   7  *
   8  *      This program is free software; you can redistribute it and/or modify
   9  *      it under the terms of the GNU General Public License as published by
  10  *      the Free Software Foundation; either version 2 of the License, or
  11  *      (at your option) any later version.
  12  *
  13  *      The information in this file is provided "AS IS" without warranty.
  14  *
  15  ******************************************************************************/
  16
  17 /*
  18         SMT/CMT defaults
  19 */
  20
  21 #include "h/types.h"
  22 #include "h/fddi.h"
  23 #include "h/smc.h"
  24
  25 #ifndef OEM_USER_DATA
  26 #define OEM_USER_DATA   "SK-NET FDDI V2.0 Userdata"
  27 #endif
  28
  29 #ifndef lint
  30 static const char ID_sccs[] = "@(#)smtdef.c     2.53 99/08/11 (C) SK " ;
  31 #endif
  32
  33 /*
  34  * defaults
  35  */
  36 #define TTMS(x) ((u_long)(x)*1000L)
  37 #define TTS(x)  ((u_long)(x)*1000000L)
  38 #define TTUS(x) ((u_long)(x))
  39
  40 #define DEFAULT_TB_MIN          TTMS(5)
  41 #define DEFAULT_TB_MAX          TTMS(50)
  42 #define DEFAULT_C_MIN           TTUS(1600)
  43 #define DEFAULT_T_OUT           TTMS(100+5)
  44 #define DEFAULT_TL_MIN          TTUS(30)
  45 #define DEFAULT_LC_SHORT        TTMS(50+5)
  46 #define DEFAULT_LC_MEDIUM       TTMS(500+20)
  47 #define DEFAULT_LC_LONG         TTS(5)+TTMS(50)
  48 #define DEFAULT_LC_EXTENDED     TTS(50)+TTMS(50)
  49 #define DEFAULT_T_NEXT_9        TTMS(200+10)
  50 #define DEFAULT_NS_MAX          TTUS(1310)
  51 #define DEFAULT_I_MAX           TTMS(25)
  52 #define DEFAULT_IN_MAX          TTMS(40)
  53 #define DEFAULT_TD_MIN          TTMS(5)
  54 #define DEFAULT_T_NON_OP        TTS(1)
  55 #define DEFAULT_T_STUCK         TTS(8)
  56 #define DEFAULT_T_DIRECT        TTMS(370)
  57 #define DEFAULT_T_JAM           TTMS(370)
  58 #define DEFAULT_T_ANNOUNCE      TTMS(2500)
  59 #define DEFAULT_D_MAX           TTUS(1617)
  60 #define DEFAULT_LEM_ALARM       (8)
  61 #define DEFAULT_LEM_CUTOFF      (7)
  62 #define DEFAULT_TEST_DONE       TTS(1)
  63 #define DEFAULT_CHECK_POLL      TTS(1)
  64 #define DEFAULT_POLL            TTMS(50)
  65
  66 /*
  67  * LCT errors threshold
  68  */
  69 #define DEFAULT_LCT_SHORT       1
  70 #define DEFAULT_LCT_MEDIUM      3
  71 #define DEFAULT_LCT_LONG        5
  72 #define DEFAULT_LCT_EXTEND      50
  73
  74 /* Forward declarations */
  75 void smt_reset_defaults(struct s_smc *smc, int level);
  76 static void smt_init_mib(struct s_smc *smc, int level);
  77 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper);
  78
  79 void smt_set_defaults(struct s_smc *smc)
  80 {
  81         smt_reset_defaults(smc,0) ;
  82 }
  83
  84 #define MS2BCLK(x)      ((x)*12500L)
  85 #define US2BCLK(x)      ((x)*1250L)
  86
  87 void smt_reset_defaults(struct s_smc *smc, int level)
  88 {
  89         struct smt_config       *smt ;
  90         int                     i ;
  91         u_long                  smt_boot_time;
  92
  93
  94         smt_init_mib(smc,level) ;
  95
  96         smc->os.smc_version = SMC_VERSION ;
  97         smt_boot_time = smt_get_time();
  98         for( i = 0; i < NUMMACS; i++ )
  99                 smc->sm.last_tok_time[i] = smt_boot_time ;
 100         smt = &smc->s ;
 101         smt->attach_s = 0 ;
 102         smt->build_ring_map = 1 ;
 103         smt->sas = SMT_DAS ;
 104         smt->numphys = NUMPHYS ;
 105         smt->pcm_tb_min = DEFAULT_TB_MIN ;
 106         smt->pcm_tb_max = DEFAULT_TB_MAX ;
 107         smt->pcm_c_min = DEFAULT_C_MIN ;
 108         smt->pcm_t_out = DEFAULT_T_OUT ;
 109         smt->pcm_tl_min = DEFAULT_TL_MIN ;
 110         smt->pcm_lc_short = DEFAULT_LC_SHORT ;
 111         smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;
 112         smt->pcm_lc_long = DEFAULT_LC_LONG ;
 113         smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;
 114         smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;
 115         smt->pcm_ns_max = DEFAULT_NS_MAX ;
 116         smt->ecm_i_max = DEFAULT_I_MAX ;
 117         smt->ecm_in_max = DEFAULT_IN_MAX ;
 118         smt->ecm_td_min = DEFAULT_TD_MIN ;
 119         smt->ecm_test_done = DEFAULT_TEST_DONE ;
 120         smt->ecm_check_poll = DEFAULT_CHECK_POLL ;
 121         smt->rmt_t_non_op = DEFAULT_T_NON_OP ;
 122         smt->rmt_t_stuck = DEFAULT_T_STUCK ;
 123         smt->rmt_t_direct = DEFAULT_T_DIRECT ;
 124         smt->rmt_t_jam = DEFAULT_T_JAM ;
 125         smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;
 126         smt->rmt_t_poll = DEFAULT_POLL ;
 127         smt->rmt_dup_mac_behavior = FALSE ;  /* See Struct smt_config */
 128         smt->mac_d_max = DEFAULT_D_MAX ;
 129
 130         smt->lct_short = DEFAULT_LCT_SHORT ;
 131         smt->lct_medium = DEFAULT_LCT_MEDIUM ;
 132         smt->lct_long = DEFAULT_LCT_LONG ;
 133         smt->lct_extended = DEFAULT_LCT_EXTEND ;
 134
 135 #ifndef SLIM_SMT
 136 #ifdef  ESS
 137         if (level == 0) {
 138                 smc->ess.sync_bw_available = FALSE ;
 139                 smc->mib.fddiESSPayload = 0 ;
 140                 smc->mib.fddiESSOverhead = 0 ;
 141                 smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;
 142                 smc->mib.fddiESSMinSegmentSize = 1 ;
 143                 smc->mib.fddiESSCategory = SB_STATIC ;
 144                 smc->mib.fddiESSSynchTxMode = FALSE ;
 145                 smc->ess.raf_act_timer_poll = FALSE ;
 146                 smc->ess.timer_count = 7 ;      /* first RAF alc req after 3s */
 147         }
 148         smc->ess.local_sba_active = FALSE ;
 149         smc->ess.sba_reply_pend = NULL ;
 150 #endif
 151 #ifdef  SBA
 152         smt_init_sba(smc,level) ;
 153 #endif
 154 #endif  /* no SLIM_SMT */
 155 #ifdef  TAG_MODE
 156         if (level == 0) {
 157                 smc->hw.pci_fix_value = 0 ;
 158         }
 159 #endif
 160 }
 161
 162 /*
 163  * manufacturer data
 164  */
 165 static const char man_data[32] =
 166 /*       01234567890123456789012345678901       */
 167         "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;
 168
 169 static void smt_init_mib(struct s_smc *smc, int level)
 170 {
 171         struct fddi_mib         *mib ;
 172         struct fddi_mib_p       *pm ;
 173         int                     port ;
 174         int                     path ;
 175
 176         mib = &smc->mib ;
 177         if (level == 0) {
 178                 /*
 179                  * set EVERYTHING to ZERO
 180                  * EXCEPT hw and os
 181                  */
 182                 memset(((char *)smc)+
 183                         sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,
 184                         sizeof(struct s_smc) -
 185                         sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;
 186         }
 187         else {
 188                 mib->fddiSMTRemoteDisconnectFlag = 0 ;
 189                 mib->fddiSMTPeerWrapFlag = 0 ;
 190         }
 191
 192         mib->fddiSMTOpVersionId = 2 ;
 193         mib->fddiSMTHiVersionId = 2 ;
 194         mib->fddiSMTLoVersionId = 2 ;
 195         memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;
 196         if (level == 0) {
 197                 strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;
 198         }
 199         mib->fddiSMTMIBVersionId = 1 ;
 200         mib->fddiSMTMac_Ct = NUMMACS ;
 201         mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;
 202
 203         /*
 204          * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib
 205          * s.sas is not set yet (is set in init driver)
 206          */
 207         mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;
 208
 209         mib->fddiSMTConfigCapabilities = 0 ;    /* no hold,no wrap_ab*/
 210         mib->fddiSMTTT_Notify = 10 ;
 211         mib->fddiSMTStatRptPolicy = TRUE ;
 212         mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;
 213         mib->fddiSMTMACIndexes = INDEX_MAC ;
 214         mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ;       /* separated */
 215
 216         mib->m[MAC0].fddiMACIndex = INDEX_MAC ;
 217         mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;
 218         mib->m[MAC0].fddiMACRequestedPaths =
 219                 MIB_P_PATH_LOCAL |
 220                 MIB_P_PATH_SEC_ALTER |
 221                 MIB_P_PATH_PRIM_ALTER ;
 222         mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;
 223         mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;
 224         mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;
 225         mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
 226         if (level == 0) {
 227                 mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
 228                 mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
 229                 mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;
 230                 mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;
 231                 mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;
 232                 mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;
 233                 mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;
 234         }
 235         mib->m[MAC0].fddiMACHardwarePresent = TRUE ;
 236         mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;
 237         mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;
 238         mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;
 239         /*
 240          * Path attributes
 241          */
 242         for (path = 0 ; path < NUMPATHS ; path++) {
 243                 mib->a[path].fddiPATHIndex = INDEX_PATH + path ;
 244                 if (level == 0) {
 245                         mib->a[path].fddiPATHTVXLowerBound =
 246                                 (u_long)(- US2BCLK(27)) ;
 247                         mib->a[path].fddiPATHT_MaxLowerBound =
 248                                 (u_long)(- MS2BCLK(165)) ;
 249                         mib->a[path].fddiPATHMaxT_Req =
 250                                 (u_long)(- MS2BCLK(165)) ;
 251                 }
 252         }
 253
 254
 255         /*
 256          * Port attributes
 257          */
 258         pm = mib->p ;
 259         for (port = 0 ; port <  NUMPHYS ; port++) {
 260                 /*
 261                  * set MIB pointer in phy
 262                  */
 263                 /* Attention: don't initialize mib pointer here! */
 264                 /*  It must be initialized during phase 2 */
 265                 smc->y[port].mib = NULL;
 266                 mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;
 267
 268                 pm->fddiPORTIndex = port+INDEX_PORT ;
 269                 pm->fddiPORTHardwarePresent = TRUE ;
 270                 if (level == 0) {
 271                         pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;
 272                         pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;
 273                 }
 274                 /*
 275                  * fddiPORTRequestedPaths are set in pcmplc.c
 276                  * we don't know the port type yet !
 277                  */
 278                 pm->fddiPORTRequestedPaths[1] = 0 ;
 279                 pm->fddiPORTRequestedPaths[2] = 0 ;
 280                 pm->fddiPORTRequestedPaths[3] = 0 ;
 281                 pm->fddiPORTAvailablePaths = MIB_PATH_P ;
 282                 pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;
 283                 pm++ ;
 284         }
 285
 286         (void) smt_set_mac_opvalues(smc) ;
 287 }
 288
 289 int smt_set_mac_opvalues(struct s_smc *smc)
 290 {
 291         int     st ;
 292         int     st2 ;
 293
 294         st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,
 295                 smc->mib.a[PATH0].fddiPATHTVXLowerBound,
 296                 &smc->mib.m[MAC0].fddiMACTvxValue) ;
 297         st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,
 298                 smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,
 299                 &smc->mib.m[MAC0].fddiMACT_Max) ;
 300         st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,
 301                 smc->mib.a[PATH0].fddiPATHMaxT_Req,
 302                 &smc->mib.m[MAC0].fddiMACT_Req)) ;
 303         if (st2) {
 304                 /* Treq attribute changed remotely. So send an AIX_EVENT to the
 305                  * user
 306                  */
 307                 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
 308                         FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,
 309                         smt_get_event_word(smc));
 310         }
 311         return(st) ;
 312 }
 313
 314 void smt_fixup_mib(struct s_smc *smc)
 315 {
 316 #ifdef  CONCENTRATOR
 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         case SMT_NAC :
 325                 smc->mib.fddiSMTNonMaster_Ct = 0 ;
 326                 break ;
 327         }
 328         smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;
 329 #else
 330         switch (smc->s.sas) {
 331         case SMT_SAS :
 332                 smc->mib.fddiSMTNonMaster_Ct = 1 ;
 333                 break ;
 334         case SMT_DAS :
 335                 smc->mib.fddiSMTNonMaster_Ct = 2 ;
 336                 break ;
 337         }
 338         smc->mib.fddiSMTMaster_Ct = 0 ;
 339 #endif
 340 }
 341
 342 /*
 343  * determine new setting for operational value
 344  * if limit is lower than mib
 345  *      use limit
 346  * else
 347  *      use mib
 348  * NOTE : numbers are negative, negate comparison !
 349  */
 350 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper)
 351 {
 352         u_long  old ;
 353         old = *oper ;
 354         if ((limit > mib) ^ maxflag)
 355                 *oper = limit ;
 356         else
 357                 *oper = mib ;
 358         return(old != *oper) ;
 359 }
 360