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 Parameter Management Frame processing for SMT 7.2 15*/ 16 17#include "h/types.h" 18#include "h/fddi.h" 19#include "h/smc.h" 20#include "h/smt_p.h" 21 22#define KERNEL 23#include "h/smtstate.h" 24 25#ifndef SLIM_SMT 26 27#ifndef lint 28static const char ID_sccs[] = "@(#)pmf.c 1.37 97/08/04 (C) SK " ; 29#endif 30 31static int smt_authorize(struct s_smc *smc, struct smt_header *sm); 32static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm); 33static const struct s_p_tab* smt_get_ptab(u_short para); 34static int smt_mib_phys(struct s_smc *smc); 35static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, 36 int local, int set); 37void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para, 38 int index, int local); 39static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req, 40 int set, int local); 41static int port_to_mib(struct s_smc *smc, int p); 42 43#define MOFFSS(e) offsetof(struct fddi_mib, e) 44#define MOFFMS(e) offsetof(struct fddi_mib_m, e) 45#define MOFFAS(e) offsetof(struct fddi_mib_a, e) 46#define MOFFPS(e) offsetof(struct fddi_mib_p, e) 47 48 49#define AC_G 0x01 /* Get */ 50#define AC_GR 0x02 /* Get/Set */ 51#define AC_S 0x04 /* Set */ 52#define AC_NA 0x08 53#define AC_GROUP 0x10 /* Group */ 54#define MS2BCLK(x) ((x)*12500L) 55/* 56 F LFag (byte) 57 B byte 58 S u_short 16 bit 59 C Counter 32 bit 60 L Long 32 bit 61 T Timer_2 32 bit 62 P TimeStamp ; 63 A LongAddress (6 byte) 64 E Enum 16 bit 65 R ResId 16 Bit 66*/ 67static const struct s_p_tab { 68 u_short p_num ; /* parameter code */ 69 u_char p_access ; /* access rights */ 70 u_short p_offset ; /* offset in mib */ 71 char p_swap[3] ; /* format string */ 72} p_tab[] = { 73 /* StationIdGrp */ 74 { SMT_P100A,AC_GROUP } , 75 { SMT_P100B,AC_G, MOFFSS(fddiSMTStationId), "8" } , 76 { SMT_P100D,AC_G, MOFFSS(fddiSMTOpVersionId), "S" } , 77 { SMT_P100E,AC_G, MOFFSS(fddiSMTHiVersionId), "S" } , 78 { SMT_P100F,AC_G, MOFFSS(fddiSMTLoVersionId), "S" } , 79 { SMT_P1010,AC_G, MOFFSS(fddiSMTManufacturerData), "D" } , 80 { SMT_P1011,AC_GR, MOFFSS(fddiSMTUserData), "D" } , 81 { SMT_P1012,AC_G, MOFFSS(fddiSMTMIBVersionId), "S" } , 82 83 /* StationConfigGrp */ 84 { SMT_P1014,AC_GROUP } , 85 { SMT_P1015,AC_G, MOFFSS(fddiSMTMac_Ct), "B" } , 86 { SMT_P1016,AC_G, MOFFSS(fddiSMTNonMaster_Ct), "B" } , 87 { SMT_P1017,AC_G, MOFFSS(fddiSMTMaster_Ct), "B" } , 88 { SMT_P1018,AC_G, MOFFSS(fddiSMTAvailablePaths), "B" } , 89 { SMT_P1019,AC_G, MOFFSS(fddiSMTConfigCapabilities),"S" } , 90 { SMT_P101A,AC_GR, MOFFSS(fddiSMTConfigPolicy), "wS" } , 91 { SMT_P101B,AC_GR, MOFFSS(fddiSMTConnectionPolicy),"wS" } , 92 { SMT_P101D,AC_GR, MOFFSS(fddiSMTTT_Notify), "wS" } , 93 { SMT_P101E,AC_GR, MOFFSS(fddiSMTStatRptPolicy), "bB" } , 94 { SMT_P101F,AC_GR, MOFFSS(fddiSMTTrace_MaxExpiration),"lL" } , 95 { SMT_P1020,AC_G, MOFFSS(fddiSMTPORTIndexes), "II" } , 96 { SMT_P1021,AC_G, MOFFSS(fddiSMTMACIndexes), "I" } , 97 { SMT_P1022,AC_G, MOFFSS(fddiSMTBypassPresent), "F" } , 98 99 /* StatusGrp */ 100 { SMT_P1028,AC_GROUP } , 101 { SMT_P1029,AC_G, MOFFSS(fddiSMTECMState), "E" } , 102 { SMT_P102A,AC_G, MOFFSS(fddiSMTCF_State), "E" } , 103 { SMT_P102C,AC_G, MOFFSS(fddiSMTRemoteDisconnectFlag),"F" } , 104 { SMT_P102D,AC_G, MOFFSS(fddiSMTStationStatus), "E" } , 105 { SMT_P102E,AC_G, MOFFSS(fddiSMTPeerWrapFlag), "F" } , 106 107 /* MIBOperationGrp */ 108 { SMT_P1032,AC_GROUP } , 109 { SMT_P1033,AC_G, MOFFSS(fddiSMTTimeStamp),"P" } , 110 { SMT_P1034,AC_G, MOFFSS(fddiSMTTransitionTimeStamp),"P" } , 111 /* NOTE : SMT_P1035 is already swapped ! SMT_P_SETCOUNT */ 112 { SMT_P1035,AC_G, MOFFSS(fddiSMTSetCount),"4P" } , 113 { SMT_P1036,AC_G, MOFFSS(fddiSMTLastSetStationId),"8" } , 114 115 { SMT_P103C,AC_S, 0, "wS" } , 116 117 /* 118 * PRIVATE EXTENSIONS 119 * only accessible locally to get/set passwd 120 */ 121 { SMT_P10F0,AC_GR, MOFFSS(fddiPRPMFPasswd), "8" } , 122 { SMT_P10F1,AC_GR, MOFFSS(fddiPRPMFStation), "8" } , 123#ifdef ESS 124 { SMT_P10F2,AC_GR, MOFFSS(fddiESSPayload), "lL" } , 125 { SMT_P10F3,AC_GR, MOFFSS(fddiESSOverhead), "lL" } , 126 { SMT_P10F4,AC_GR, MOFFSS(fddiESSMaxTNeg), "lL" } , 127 { SMT_P10F5,AC_GR, MOFFSS(fddiESSMinSegmentSize), "lL" } , 128 { SMT_P10F6,AC_GR, MOFFSS(fddiESSCategory), "lL" } , 129 { SMT_P10F7,AC_GR, MOFFSS(fddiESSSynchTxMode), "wS" } , 130#endif 131#ifdef SBA 132 { SMT_P10F8,AC_GR, MOFFSS(fddiSBACommand), "bF" } , 133 { SMT_P10F9,AC_GR, MOFFSS(fddiSBAAvailable), "bF" } , 134#endif 135 /* MAC Attributes */ 136 { SMT_P200A,AC_GROUP } , 137 { SMT_P200B,AC_G, MOFFMS(fddiMACFrameStatusFunctions),"S" } , 138 { SMT_P200D,AC_G, MOFFMS(fddiMACT_MaxCapabilitiy),"T" } , 139 { SMT_P200E,AC_G, MOFFMS(fddiMACTVXCapabilitiy),"T" } , 140 141 /* ConfigGrp */ 142 { SMT_P2014,AC_GROUP } , 143 { SMT_P2016,AC_G, MOFFMS(fddiMACAvailablePaths), "B" } , 144 { SMT_P2017,AC_G, MOFFMS(fddiMACCurrentPath), "S" } , 145 { SMT_P2018,AC_G, MOFFMS(fddiMACUpstreamNbr), "A" } , 146 { SMT_P2019,AC_G, MOFFMS(fddiMACDownstreamNbr), "A" } , 147 { SMT_P201A,AC_G, MOFFMS(fddiMACOldUpstreamNbr), "A" } , 148 { SMT_P201B,AC_G, MOFFMS(fddiMACOldDownstreamNbr),"A" } , 149 { SMT_P201D,AC_G, MOFFMS(fddiMACDupAddressTest), "E" } , 150 { SMT_P2020,AC_GR, MOFFMS(fddiMACRequestedPaths), "wS" } , 151 { SMT_P2021,AC_G, MOFFMS(fddiMACDownstreamPORTType),"E" } , 152 { SMT_P2022,AC_G, MOFFMS(fddiMACIndex), "S" } , 153 154 /* AddressGrp */ 155 { SMT_P2028,AC_GROUP } , 156 { SMT_P2029,AC_G, MOFFMS(fddiMACSMTAddress), "A" } , 157 158 /* OperationGrp */ 159 { SMT_P2032,AC_GROUP } , 160 { SMT_P2033,AC_G, MOFFMS(fddiMACT_Req), "T" } , 161 { SMT_P2034,AC_G, MOFFMS(fddiMACT_Neg), "T" } , 162 { SMT_P2035,AC_G, MOFFMS(fddiMACT_Max), "T" } , 163 { SMT_P2036,AC_G, MOFFMS(fddiMACTvxValue), "T" } , 164 { SMT_P2038,AC_G, MOFFMS(fddiMACT_Pri0), "T" } , 165 { SMT_P2039,AC_G, MOFFMS(fddiMACT_Pri1), "T" } , 166 { SMT_P203A,AC_G, MOFFMS(fddiMACT_Pri2), "T" } , 167 { SMT_P203B,AC_G, MOFFMS(fddiMACT_Pri3), "T" } , 168 { SMT_P203C,AC_G, MOFFMS(fddiMACT_Pri4), "T" } , 169 { SMT_P203D,AC_G, MOFFMS(fddiMACT_Pri5), "T" } , 170 { SMT_P203E,AC_G, MOFFMS(fddiMACT_Pri6), "T" } , 171 172 173 /* CountersGrp */ 174 { SMT_P2046,AC_GROUP } , 175 { SMT_P2047,AC_G, MOFFMS(fddiMACFrame_Ct), "C" } , 176 { SMT_P2048,AC_G, MOFFMS(fddiMACCopied_Ct), "C" } , 177 { SMT_P2049,AC_G, MOFFMS(fddiMACTransmit_Ct), "C" } , 178 { SMT_P204A,AC_G, MOFFMS(fddiMACToken_Ct), "C" } , 179 { SMT_P2051,AC_G, MOFFMS(fddiMACError_Ct), "C" } , 180 { SMT_P2052,AC_G, MOFFMS(fddiMACLost_Ct), "C" } , 181 { SMT_P2053,AC_G, MOFFMS(fddiMACTvxExpired_Ct), "C" } , 182 { SMT_P2054,AC_G, MOFFMS(fddiMACNotCopied_Ct), "C" } , 183 { SMT_P2056,AC_G, MOFFMS(fddiMACRingOp_Ct), "C" } , 184 185 /* FrameErrorConditionGrp */ 186 { SMT_P205A,AC_GROUP } , 187 { SMT_P205F,AC_GR, MOFFMS(fddiMACFrameErrorThreshold),"wS" } , 188 { SMT_P2060,AC_G, MOFFMS(fddiMACFrameErrorRatio), "S" } , 189 190 /* NotCopiedConditionGrp */ 191 { SMT_P2064,AC_GROUP } , 192 { SMT_P2067,AC_GR, MOFFMS(fddiMACNotCopiedThreshold),"wS" } , 193 { SMT_P2069,AC_G, MOFFMS(fddiMACNotCopiedRatio), "S" } , 194 195 /* StatusGrp */ 196 { SMT_P206E,AC_GROUP } , 197 { SMT_P206F,AC_G, MOFFMS(fddiMACRMTState), "S" } , 198 { SMT_P2070,AC_G, MOFFMS(fddiMACDA_Flag), "F" } , 199 { SMT_P2071,AC_G, MOFFMS(fddiMACUNDA_Flag), "F" } , 200 { SMT_P2072,AC_G, MOFFMS(fddiMACFrameErrorFlag), "F" } , 201 { SMT_P2073,AC_G, MOFFMS(fddiMACNotCopiedFlag), "F" } , 202 { SMT_P2074,AC_G, MOFFMS(fddiMACMA_UnitdataAvailable),"F" } , 203 { SMT_P2075,AC_G, MOFFMS(fddiMACHardwarePresent), "F" } , 204 { SMT_P2076,AC_GR, MOFFMS(fddiMACMA_UnitdataEnable),"bF" } , 205 206 /* 207 * PRIVATE EXTENSIONS 208 * only accessible locally to get/set TMIN 209 */ 210 { SMT_P20F0,AC_NA } , 211 { SMT_P20F1,AC_GR, MOFFMS(fddiMACT_Min), "lT" } , 212 213 /* Path Attributes */ 214 /* 215 * DON't swap 320B,320F,3210: they are already swapped in swap_para() 216 */ 217 { SMT_P320A,AC_GROUP } , 218 { SMT_P320B,AC_G, MOFFAS(fddiPATHIndex), "r" } , 219 { SMT_P320F,AC_GR, MOFFAS(fddiPATHSbaPayload), "l4" } , 220 { SMT_P3210,AC_GR, MOFFAS(fddiPATHSbaOverhead), "l4" } , 221 /* fddiPATHConfiguration */ 222 { SMT_P3212,AC_G, 0, "" } , 223 { SMT_P3213,AC_GR, MOFFAS(fddiPATHT_Rmode), "lT" } , 224 { SMT_P3214,AC_GR, MOFFAS(fddiPATHSbaAvailable), "lL" } , 225 { SMT_P3215,AC_GR, MOFFAS(fddiPATHTVXLowerBound), "lT" } , 226 { SMT_P3216,AC_GR, MOFFAS(fddiPATHT_MaxLowerBound),"lT" } , 227 { SMT_P3217,AC_GR, MOFFAS(fddiPATHMaxT_Req), "lT" } , 228 229 /* Port Attributes */ 230 /* ConfigGrp */ 231 { SMT_P400A,AC_GROUP } , 232 { SMT_P400C,AC_G, MOFFPS(fddiPORTMy_Type), "E" } , 233 { SMT_P400D,AC_G, MOFFPS(fddiPORTNeighborType), "E" } , 234 { SMT_P400E,AC_GR, MOFFPS(fddiPORTConnectionPolicies),"bB" } , 235 { SMT_P400F,AC_G, MOFFPS(fddiPORTMacIndicated), "2" } , 236 { SMT_P4010,AC_G, MOFFPS(fddiPORTCurrentPath), "E" } , 237 { SMT_P4011,AC_GR, MOFFPS(fddiPORTRequestedPaths), "l4" } , 238 { SMT_P4012,AC_G, MOFFPS(fddiPORTMACPlacement), "S" } , 239 { SMT_P4013,AC_G, MOFFPS(fddiPORTAvailablePaths), "B" } , 240 { SMT_P4016,AC_G, MOFFPS(fddiPORTPMDClass), "E" } , 241 { SMT_P4017,AC_G, MOFFPS(fddiPORTConnectionCapabilities), "B"} , 242 { SMT_P401D,AC_G, MOFFPS(fddiPORTIndex), "R" } , 243 244 /* OperationGrp */ 245 { SMT_P401E,AC_GROUP } , 246 { SMT_P401F,AC_GR, MOFFPS(fddiPORTMaint_LS), "wE" } , 247 { SMT_P4021,AC_G, MOFFPS(fddiPORTBS_Flag), "F" } , 248 { SMT_P4022,AC_G, MOFFPS(fddiPORTPC_LS), "E" } , 249 250 /* ErrorCtrsGrp */ 251 { SMT_P4028,AC_GROUP } , 252 { SMT_P4029,AC_G, MOFFPS(fddiPORTEBError_Ct), "C" } , 253 { SMT_P402A,AC_G, MOFFPS(fddiPORTLCTFail_Ct), "C" } , 254 255 /* LerGrp */ 256 { SMT_P4032,AC_GROUP } , 257 { SMT_P4033,AC_G, MOFFPS(fddiPORTLer_Estimate), "F" } , 258 { SMT_P4034,AC_G, MOFFPS(fddiPORTLem_Reject_Ct), "C" } , 259 { SMT_P4035,AC_G, MOFFPS(fddiPORTLem_Ct), "C" } , 260 { SMT_P403A,AC_GR, MOFFPS(fddiPORTLer_Cutoff), "bB" } , 261 { SMT_P403B,AC_GR, MOFFPS(fddiPORTLer_Alarm), "bB" } , 262 263 /* StatusGrp */ 264 { SMT_P403C,AC_GROUP } , 265 { SMT_P403D,AC_G, MOFFPS(fddiPORTConnectState), "E" } , 266 { SMT_P403E,AC_G, MOFFPS(fddiPORTPCMStateX), "E" } , 267 { SMT_P403F,AC_G, MOFFPS(fddiPORTPC_Withhold), "E" } , 268 { SMT_P4040,AC_G, MOFFPS(fddiPORTLerFlag), "F" } , 269 { SMT_P4041,AC_G, MOFFPS(fddiPORTHardwarePresent),"F" } , 270 271 { SMT_P4046,AC_S, 0, "wS" } , 272 273 { 0, AC_GROUP } , 274 { 0 } 275} ; 276 277void smt_pmf_received_pack(struct s_smc *smc, SMbuf *mb, int local) 278{ 279 struct smt_header *sm ; 280 SMbuf *reply ; 281 282 sm = smtod(mb,struct smt_header *) ; 283 DB_SMT("SMT: processing PMF frame at %p len %d", sm, mb->sm_len); 284#ifdef DEBUG 285 dump_smt(smc,sm,"PMF Received") ; 286#endif 287 /* 288 * Start the watchdog: It may be a long, long packet and 289 * maybe the watchdog occurs ... 290 */ 291 smt_start_watchdog(smc) ; 292 293 if (sm->smt_class == SMT_PMF_GET || 294 sm->smt_class == SMT_PMF_SET) { 295 reply = smt_build_pmf_response(smc,sm, 296 sm->smt_class == SMT_PMF_SET,local) ; 297 if (reply) { 298 sm = smtod(reply,struct smt_header *) ; 299#ifdef DEBUG 300 dump_smt(smc,sm,"PMF Reply") ; 301#endif 302 smt_send_frame(smc,reply,FC_SMT_INFO,local) ; 303 } 304 } 305} 306 307static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req, 308 int set, int local) 309{ 310 SMbuf *mb ; 311 struct smt_header *smt ; 312 struct smt_para *pa ; 313 struct smt_p_reason *res ; 314 const struct s_p_tab *pt ; 315 int len ; 316 int index ; 317 int idx_end ; 318 int error ; 319 int range ; 320 SK_LOC_DECL(struct s_pcon,pcon) ; 321 SK_LOC_DECL(struct s_pcon,set_pcon) ; 322 323 /* 324 * build SMT header 325 */ 326 if (!(mb = smt_get_mbuf(smc))) 327 return mb; 328 329 smt = smtod(mb, struct smt_header *) ; 330 smt->smt_dest = req->smt_source ; /* DA == source of request */ 331 smt->smt_class = req->smt_class ; /* same class (GET/SET) */ 332 smt->smt_type = SMT_REPLY ; 333 smt->smt_version = SMT_VID_2 ; 334 smt->smt_tid = req->smt_tid ; /* same TID */ 335 smt->smt_pad = 0 ; 336 smt->smt_len = 0 ; 337 338 /* 339 * setup parameter status 340 */ 341 pcon.pc_len = SMT_MAX_INFO_LEN ; /* max para length */ 342 pcon.pc_err = 0 ; /* no error */ 343 pcon.pc_badset = 0 ; /* no bad set count */ 344 pcon.pc_p = (void *) (smt + 1) ; /* paras start here */ 345 346 /* 347 * check authoriziation and set count 348 */ 349 error = 0 ; 350 if (set) { 351 if (!local && smt_authorize(smc,req)) 352 error = SMT_RDF_AUTHOR ; 353 else if (smt_check_set_count(smc,req)) 354 pcon.pc_badset = SMT_RDF_BADSET ; 355 } 356 /* 357 * add reason code and all mandatory parameters 358 */ 359 res = (struct smt_p_reason *) pcon.pc_p ; 360 smt_add_para(smc,&pcon,(u_short) SMT_P_REASON,0,0) ; 361 smt_add_para(smc,&pcon,(u_short) SMT_P1033,0,0) ; 362 /* update 1035 and 1036 later if set */ 363 set_pcon = pcon ; 364 smt_add_para(smc,&pcon,(u_short) SMT_P1035,0,0) ; 365 smt_add_para(smc,&pcon,(u_short) SMT_P1036,0,0) ; 366 367 pcon.pc_err = error ; 368 len = req->smt_len ; 369 pa = (struct smt_para *) (req + 1) ; 370 /* 371 * process list of paras 372 */ 373 while (!pcon.pc_err && len > 0 ) { 374 if (((u_short)len < pa->p_len + PARA_LEN) || (pa->p_len & 3)) { 375 pcon.pc_err = SMT_RDF_LENGTH ; 376 break ; 377 } 378 379 if (((range = (pa->p_type & 0xf000)) == 0x2000) || 380 range == 0x3000 || range == 0x4000) { 381 /* 382 * get index for PART,MAC ad PATH group 383 */ 384 index = *((u_char *)pa + PARA_LEN + 3) ;/* index */ 385 idx_end = index ; 386 if (!set && (pa->p_len != 4)) { 387 pcon.pc_err = SMT_RDF_LENGTH ; 388 break ; 389 } 390 if (!index && !set) { 391 switch (range) { 392 case 0x2000 : 393 index = INDEX_MAC ; 394 idx_end = index - 1 + NUMMACS ; 395 break ; 396 case 0x3000 : 397 index = INDEX_PATH ; 398 idx_end = index - 1 + NUMPATHS ; 399 break ; 400 case 0x4000 : 401 index = INDEX_PORT ; 402 idx_end = index - 1 + NUMPHYS ; 403#ifndef CONCENTRATOR 404 if (smc->s.sas == SMT_SAS) 405 idx_end = INDEX_PORT ; 406#endif 407 break ; 408 } 409 } 410 } 411 else { 412 /* 413 * smt group has no index 414 */ 415 if (!set && (pa->p_len != 0)) { 416 pcon.pc_err = SMT_RDF_LENGTH ; 417 break ; 418 } 419 index = 0 ; 420 idx_end = 0 ; 421 } 422 while (index <= idx_end) { 423 /* 424 * if group 425 * add all paras of group 426 */ 427 pt = smt_get_ptab(pa->p_type) ; 428 if (pt && pt->p_access == AC_GROUP && !set) { 429 pt++ ; 430 while (pt->p_access == AC_G || 431 pt->p_access == AC_GR) { 432 smt_add_para(smc,&pcon,pt->p_num, 433 index,local); 434 pt++ ; 435 } 436 } 437 /* 438 * ignore 439 * AUTHORIZATION in get/set 440 * SET COUNT in set 441 */ 442 else if (pa->p_type != SMT_P_AUTHOR && 443 (!set || (pa->p_type != SMT_P1035))) { 444 int st ; 445 if (pcon.pc_badset) { 446 smt_add_para(smc,&pcon,pa->p_type, 447 index,local) ; 448 } 449 else if (set) { 450 st = smt_set_para(smc,pa,index,local,1); 451 /* 452 * return para even if error 453 */ 454 smt_add_para(smc,&pcon,pa->p_type, 455 index,local) ; 456 pcon.pc_err = st ; 457 } 458 else { 459 if (pt && pt->p_access == AC_S) { 460 pcon.pc_err = 461 SMT_RDF_ILLEGAL ; 462 } 463 smt_add_para(smc,&pcon,pa->p_type, 464 index,local) ; 465 } 466 } 467 if (pcon.pc_err) 468 break ; 469 index++ ; 470 } 471 len -= pa->p_len + PARA_LEN ; 472 pa = (struct smt_para *) ((char *)pa + pa->p_len + PARA_LEN) ; 473 } 474 smt->smt_len = SMT_MAX_INFO_LEN - pcon.pc_len ; 475 mb->sm_len = smt->smt_len + sizeof(struct smt_header) ; 476 477 /* update reason code */ 478 res->rdf_reason = pcon.pc_badset ? pcon.pc_badset : 479 pcon.pc_err ? pcon.pc_err : SMT_RDF_SUCCESS ; 480 if (set && (res->rdf_reason == SMT_RDF_SUCCESS)) { 481 /* 482 * increment set count 483 * set time stamp 484 * store station id of last set 485 */ 486 smc->mib.fddiSMTSetCount.count++ ; 487 smt_set_timestamp(smc,smc->mib.fddiSMTSetCount.timestamp) ; 488 smc->mib.fddiSMTLastSetStationId = req->smt_sid ; 489 smt_add_para(smc,&set_pcon,(u_short) SMT_P1035,0,0) ; 490 smt_add_para(smc,&set_pcon,(u_short) SMT_P1036,0,0) ; 491 } 492 return mb; 493} 494 495static int smt_authorize(struct s_smc *smc, struct smt_header *sm) 496{ 497 struct smt_para *pa ; 498 int i ; 499 char *p ; 500 501 /* 502 * check source station id if not zero 503 */ 504 p = (char *) &smc->mib.fddiPRPMFStation ; 505 for (i = 0 ; i < 8 && !p[i] ; i++) 506 ; 507 if (i != 8) { 508 if (memcmp((char *) &sm->smt_sid, 509 (char *) &smc->mib.fddiPRPMFStation,8)) 510 return 1; 511 } 512 /* 513 * check authoriziation parameter if passwd not zero 514 */ 515 p = (char *) smc->mib.fddiPRPMFPasswd ; 516 for (i = 0 ; i < 8 && !p[i] ; i++) 517 ; 518 if (i != 8) { 519 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P_AUTHOR) ; 520 if (!pa) 521 return 1; 522 if (pa->p_len != 8) 523 return 1; 524 if (memcmp((char *)(pa+1),(char *)smc->mib.fddiPRPMFPasswd,8)) 525 return 1; 526 } 527 return 0; 528} 529 530static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm) 531{ 532 struct smt_para *pa ; 533 struct smt_p_setcount *sc ; 534 535 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P1035) ; 536 if (pa) { 537 sc = (struct smt_p_setcount *) pa ; 538 if ((smc->mib.fddiSMTSetCount.count != sc->count) || 539 memcmp((char *) smc->mib.fddiSMTSetCount.timestamp, 540 (char *)sc->timestamp,8)) 541 return 1; 542 } 543 return 0; 544} 545 546void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para, 547 int index, int local) 548{ 549 struct smt_para *pa ; 550 const struct s_p_tab *pt ; 551 struct fddi_mib_m *mib_m = NULL; 552 struct fddi_mib_p *mib_p = NULL; 553 int len ; 554 int plen ; 555 char *from ; 556 char *to ; 557 const char *swap ; 558 char c ; 559 int range ; 560 char *mib_addr ; 561 int mac ; 562 int path ; 563 int port ; 564 int sp_len ; 565 566 /* 567 * skip if error 568 */ 569 if (pcon->pc_err) 570 return ; 571 572 /* 573 * actions don't have a value 574 */ 575 pt = smt_get_ptab(para) ; 576 if (pt && pt->p_access == AC_S) 577 return ; 578 579 to = (char *) (pcon->pc_p) ; /* destination pointer */ 580 len = pcon->pc_len ; /* free space */ 581 plen = len ; /* remember start length */ 582 pa = (struct smt_para *) to ; /* type/length pointer */ 583 to += PARA_LEN ; /* skip smt_para */ 584 len -= PARA_LEN ; 585 /* 586 * set index if required 587 */ 588 if (((range = (para & 0xf000)) == 0x2000) || 589 range == 0x3000 || range == 0x4000) { 590 if (len < 4) 591 goto wrong_error ; 592 to[0] = 0 ; 593 to[1] = 0 ; 594 to[2] = 0 ; 595 to[3] = index ; 596 len -= 4 ; 597 to += 4 ; 598 } 599 mac = index - INDEX_MAC ; 600 path = index - INDEX_PATH ; 601 port = index - INDEX_PORT ; 602 /* 603 * get pointer to mib 604 */ 605 switch (range) { 606 case 0x1000 : 607 default : 608 mib_addr = (char *) (&smc->mib) ; 609 break ; 610 case 0x2000 : 611 if (mac < 0 || mac >= NUMMACS) { 612 pcon->pc_err = SMT_RDF_NOPARAM ; 613 return ; 614 } 615 mib_addr = (char *) (&smc->mib.m[mac]) ; 616 mib_m = (struct fddi_mib_m *) mib_addr ; 617 break ; 618 case 0x3000 : 619 if (path < 0 || path >= NUMPATHS) { 620 pcon->pc_err = SMT_RDF_NOPARAM ; 621 return ; 622 } 623 mib_addr = (char *) (&smc->mib.a[path]) ; 624 break ; 625 case 0x4000 : 626 if (port < 0 || port >= smt_mib_phys(smc)) { 627 pcon->pc_err = SMT_RDF_NOPARAM ; 628 return ; 629 } 630 mib_addr = (char *) (&smc->mib.p[port_to_mib(smc,port)]) ; 631 mib_p = (struct fddi_mib_p *) mib_addr ; 632 break ; 633 } 634 /* 635 * check special paras 636 */ 637 swap = NULL; 638 switch (para) { 639 case SMT_P10F0 : 640 case SMT_P10F1 : 641#ifdef ESS 642 case SMT_P10F2 : 643 case SMT_P10F3 : 644 case SMT_P10F4 : 645 case SMT_P10F5 : 646 case SMT_P10F6 : 647 case SMT_P10F7 : 648#endif 649#ifdef SBA 650 case SMT_P10F8 : 651 case SMT_P10F9 : 652#endif 653 case SMT_P20F1 : 654 if (!local) { 655 pcon->pc_err = SMT_RDF_NOPARAM ; 656 return ; 657 } 658 break ; 659 case SMT_P2034 : 660 case SMT_P2046 : 661 case SMT_P2047 : 662 case SMT_P204A : 663 case SMT_P2051 : 664 case SMT_P2052 : 665 mac_update_counter(smc) ; 666 break ; 667 case SMT_P4022: 668 mib_p->fddiPORTPC_LS = LS2MIB( 669 sm_pm_get_ls(smc,port_to_mib(smc,port))) ; 670 break ; 671 case SMT_P_REASON : 672 *(u32 *)to = 0 ; 673 sp_len = 4 ; 674 goto sp_done ; 675 case SMT_P1033 : /* time stamp */ 676 smt_set_timestamp(smc,smc->mib.fddiSMTTimeStamp) ; 677 break ; 678 679 case SMT_P1020: /* port indexes */ 680#if NUMPHYS == 12 681 swap = "IIIIIIIIIIII" ; 682#else 683#if NUMPHYS == 2 684 if (smc->s.sas == SMT_SAS) 685 swap = "I" ; 686 else 687 swap = "II" ; 688#else 689#if NUMPHYS == 24 690 swap = "IIIIIIIIIIIIIIIIIIIIIIII" ; 691#else 692 ???? 693#endif 694#endif 695#endif 696 break ; 697 case SMT_P3212 : 698 { 699 sp_len = cem_build_path(smc,to,path) ; 700 goto sp_done ; 701 } 702 case SMT_P1048 : /* peer wrap condition */ 703 { 704 struct smt_p_1048 *sp ; 705 sp = (struct smt_p_1048 *) to ; 706 sp->p1048_flag = smc->mib.fddiSMTPeerWrapFlag ; 707 sp->p1048_cf_state = smc->mib.fddiSMTCF_State ; 708 sp_len = sizeof(struct smt_p_1048) ; 709 goto sp_done ; 710 } 711 case SMT_P208C : 712 { 713 struct smt_p_208c *sp ; 714 sp = (struct smt_p_208c *) to ; 715 sp->p208c_flag = 716 smc->mib.m[MAC0].fddiMACDuplicateAddressCond ; 717 sp->p208c_dupcondition = 718 (mib_m->fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0) | 719 (mib_m->fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0); 720 sp->p208c_fddilong = 721 mib_m->fddiMACSMTAddress ; 722 sp->p208c_fddiunalong = 723 mib_m->fddiMACUpstreamNbr ; 724 sp->p208c_pad = 0 ; 725 sp_len = sizeof(struct smt_p_208c) ; 726 goto sp_done ; 727 } 728 case SMT_P208D : /* frame error condition */ 729 { 730 struct smt_p_208d *sp ; 731 sp = (struct smt_p_208d *) to ; 732 sp->p208d_flag = 733 mib_m->fddiMACFrameErrorFlag ; 734 sp->p208d_frame_ct = 735 mib_m->fddiMACFrame_Ct ; 736 sp->p208d_error_ct = 737 mib_m->fddiMACError_Ct ; 738 sp->p208d_lost_ct = 739 mib_m->fddiMACLost_Ct ; 740 sp->p208d_ratio = 741 mib_m->fddiMACFrameErrorRatio ; 742 sp_len = sizeof(struct smt_p_208d) ; 743 goto sp_done ; 744 } 745 case SMT_P208E : /* not copied condition */ 746 { 747 struct smt_p_208e *sp ; 748 sp = (struct smt_p_208e *) to ; 749 sp->p208e_flag = 750 mib_m->fddiMACNotCopiedFlag ; 751 sp->p208e_not_copied = 752 mib_m->fddiMACNotCopied_Ct ; 753 sp->p208e_copied = 754 mib_m->fddiMACCopied_Ct ; 755 sp->p208e_not_copied_ratio = 756 mib_m->fddiMACNotCopiedRatio ; 757 sp_len = sizeof(struct smt_p_208e) ; 758 goto sp_done ; 759 } 760 case SMT_P208F : /* neighbor change event */ 761 { 762 struct smt_p_208f *sp ; 763 sp = (struct smt_p_208f *) to ; 764 sp->p208f_multiple = 765 mib_m->fddiMACMultiple_N ; 766 sp->p208f_nacondition = 767 mib_m->fddiMACDuplicateAddressCond ; 768 sp->p208f_old_una = 769 mib_m->fddiMACOldUpstreamNbr ; 770 sp->p208f_new_una = 771 mib_m->fddiMACUpstreamNbr ; 772 sp->p208f_old_dna = 773 mib_m->fddiMACOldDownstreamNbr ; 774 sp->p208f_new_dna = 775 mib_m->fddiMACDownstreamNbr ; 776 sp->p208f_curren_path = 777 mib_m->fddiMACCurrentPath ; 778 sp->p208f_smt_address = 779 mib_m->fddiMACSMTAddress ; 780 sp_len = sizeof(struct smt_p_208f) ; 781 goto sp_done ; 782 } 783 case SMT_P2090 : 784 { 785 struct smt_p_2090 *sp ; 786 sp = (struct smt_p_2090 *) to ; 787 sp->p2090_multiple = 788 mib_m->fddiMACMultiple_P ; 789 sp->p2090_availablepaths = 790 mib_m->fddiMACAvailablePaths ; 791 sp->p2090_currentpath = 792 mib_m->fddiMACCurrentPath ; 793 sp->p2090_requestedpaths = 794 mib_m->fddiMACRequestedPaths ; 795 sp_len = sizeof(struct smt_p_2090) ; 796 goto sp_done ; 797 } 798 case SMT_P4050 : 799 { 800 struct smt_p_4050 *sp ; 801 sp = (struct smt_p_4050 *) to ; 802 sp->p4050_flag = 803 mib_p->fddiPORTLerFlag ; 804 sp->p4050_pad = 0 ; 805 sp->p4050_cutoff = 806 mib_p->fddiPORTLer_Cutoff ; 807 sp->p4050_alarm = 808 mib_p->fddiPORTLer_Alarm ; 809 sp->p4050_estimate = 810 mib_p->fddiPORTLer_Estimate ; 811 sp->p4050_reject_ct = 812 mib_p->fddiPORTLem_Reject_Ct ; 813 sp->p4050_ct = 814 mib_p->fddiPORTLem_Ct ; 815 sp_len = sizeof(struct smt_p_4050) ; 816 goto sp_done ; 817 } 818 819 case SMT_P4051 : 820 { 821 struct smt_p_4051 *sp ; 822 sp = (struct smt_p_4051 *) to ; 823 sp->p4051_multiple = 824 mib_p->fddiPORTMultiple_U ; 825 sp->p4051_porttype = 826 mib_p->fddiPORTMy_Type ; 827 sp->p4051_connectstate = 828 mib_p->fddiPORTConnectState ; 829 sp->p4051_pc_neighbor = 830 mib_p->fddiPORTNeighborType ; 831 sp->p4051_pc_withhold = 832 mib_p->fddiPORTPC_Withhold ; 833 sp_len = sizeof(struct smt_p_4051) ; 834 goto sp_done ; 835 } 836 case SMT_P4052 : 837 { 838 struct smt_p_4052 *sp ; 839 sp = (struct smt_p_4052 *) to ; 840 sp->p4052_flag = 841 mib_p->fddiPORTEB_Condition ; 842 sp->p4052_eberrorcount = 843 mib_p->fddiPORTEBError_Ct ; 844 sp_len = sizeof(struct smt_p_4052) ; 845 goto sp_done ; 846 } 847 case SMT_P4053 : 848 { 849 struct smt_p_4053 *sp ; 850 sp = (struct smt_p_4053 *) to ; 851 sp->p4053_multiple = 852 mib_p->fddiPORTMultiple_P ; 853 sp->p4053_availablepaths = 854 mib_p->fddiPORTAvailablePaths ; 855 sp->p4053_currentpath = 856 mib_p->fddiPORTCurrentPath ; 857 memcpy( (char *) &sp->p4053_requestedpaths, 858 (char *) mib_p->fddiPORTRequestedPaths,4) ; 859 sp->p4053_mytype = 860 mib_p->fddiPORTMy_Type ; 861 sp->p4053_neighbortype = 862 mib_p->fddiPORTNeighborType ; 863 sp_len = sizeof(struct smt_p_4053) ; 864 goto sp_done ; 865 } 866 default : 867 break ; 868 } 869 /* 870 * in table ? 871 */ 872 if (!pt) { 873 pcon->pc_err = (para & 0xff00) ? SMT_RDF_NOPARAM : 874 SMT_RDF_ILLEGAL ; 875 return ; 876 } 877 /* 878 * check access rights 879 */ 880 switch (pt->p_access) { 881 case AC_G : 882 case AC_GR : 883 break ; 884 default : 885 pcon->pc_err = SMT_RDF_ILLEGAL ; 886 return ; 887 } 888 from = mib_addr + pt->p_offset ; 889 if (!swap) 890 swap = pt->p_swap ; /* pointer to swap string */ 891 892 /* 893 * copy values 894 */ 895 while ((c = *swap++)) { 896 switch(c) { 897 case 'b' : 898 case 'w' : 899 case 'l' : 900 break ; 901 case 'S' : 902 case 'E' : 903 case 'R' : 904 case 'r' : 905 if (len < 4) 906 goto len_error ; 907 to[0] = 0 ; 908 to[1] = 0 ; 909#ifdef LITTLE_ENDIAN 910 if (c == 'r') { 911 to[2] = *from++ ; 912 to[3] = *from++ ; 913 } 914 else { 915 to[3] = *from++ ; 916 to[2] = *from++ ; 917 } 918#else 919 to[2] = *from++ ; 920 to[3] = *from++ ; 921#endif 922 to += 4 ; 923 len -= 4 ; 924 break ; 925 case 'I' : /* for SET of port indexes */ 926 if (len < 2) 927 goto len_error ; 928#ifdef LITTLE_ENDIAN 929 to[1] = *from++ ; 930 to[0] = *from++ ; 931#else 932 to[0] = *from++ ; 933 to[1] = *from++ ; 934#endif 935 to += 2 ; 936 len -= 2 ; 937 break ; 938 case 'F' : 939 case 'B' : 940 if (len < 4) 941 goto len_error ; 942 len -= 4 ; 943 to[0] = 0 ; 944 to[1] = 0 ; 945 to[2] = 0 ; 946 to[3] = *from++ ; 947 to += 4 ; 948 break ; 949 case 'C' : 950 case 'T' : 951 case 'L' : 952 if (len < 4) 953 goto len_error ; 954#ifdef LITTLE_ENDIAN 955 to[3] = *from++ ; 956 to[2] = *from++ ; 957 to[1] = *from++ ; 958 to[0] = *from++ ; 959#else 960 to[0] = *from++ ; 961 to[1] = *from++ ; 962 to[2] = *from++ ; 963 to[3] = *from++ ; 964#endif 965 len -= 4 ; 966 to += 4 ; 967 break ; 968 case '2' : /* PortMacIndicated */ 969 if (len < 4) 970 goto len_error ; 971 to[0] = 0 ; 972 to[1] = 0 ; 973 to[2] = *from++ ; 974 to[3] = *from++ ; 975 len -= 4 ; 976 to += 4 ; 977 break ; 978 case '4' : 979 if (len < 4) 980 goto len_error ; 981 to[0] = *from++ ; 982 to[1] = *from++ ; 983 to[2] = *from++ ; 984 to[3] = *from++ ; 985 len -= 4 ; 986 to += 4 ; 987 break ; 988 case 'A' : 989 if (len < 8) 990 goto len_error ; 991 to[0] = 0 ; 992 to[1] = 0 ; 993 memcpy((char *) to+2,(char *) from,6) ; 994 to += 8 ; 995 from += 8 ; 996 len -= 8 ; 997 break ; 998 case '8' : 999 if (len < 8) 1000 goto len_error ; 1001 memcpy((char *) to,(char *) from,8) ; 1002 to += 8 ; 1003 from += 8 ; 1004 len -= 8 ; 1005 break ; 1006 case 'D' : 1007 if (len < 32) 1008 goto len_error ; 1009 memcpy((char *) to,(char *) from,32) ; 1010 to += 32 ; 1011 from += 32 ; 1012 len -= 32 ; 1013 break ; 1014 case 'P' : /* timestamp is NOT swapped */ 1015 if (len < 8) 1016 goto len_error ; 1017 to[0] = *from++ ; 1018 to[1] = *from++ ; 1019 to[2] = *from++ ; 1020 to[3] = *from++ ; 1021 to[4] = *from++ ; 1022 to[5] = *from++ ; 1023 to[6] = *from++ ; 1024 to[7] = *from++ ; 1025 to += 8 ; 1026 len -= 8 ; 1027 break ; 1028 default : 1029 SMT_PANIC(smc,SMT_E0119, SMT_E0119_MSG) ; 1030 break ; 1031 } 1032 } 1033 1034done: 1035 /* 1036 * make it even (in case of 'I' encoding) 1037 * note: len is DECREMENTED 1038 */ 1039 if (len & 3) { 1040 to[0] = 0 ; 1041 to[1] = 0 ; 1042 to += 4 - (len & 3 ) ; 1043 len = len & ~ 3 ; 1044 } 1045 1046 /* set type and length */ 1047 pa->p_type = para ; 1048 pa->p_len = plen - len - PARA_LEN ; 1049 /* return values */ 1050 pcon->pc_p = (void *) to ; 1051 pcon->pc_len = len ; 1052 return ; 1053 1054sp_done: 1055 len -= sp_len ; 1056 to += sp_len ; 1057 goto done ; 1058 1059len_error: 1060 /* parameter does not fit in frame */ 1061 pcon->pc_err = SMT_RDF_TOOLONG ; 1062 return ; 1063 1064wrong_error: 1065 pcon->pc_err = SMT_RDF_LENGTH ; 1066} 1067 1068/* 1069 * set parameter 1070 */ 1071static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, 1072 int local, int set) 1073{ 1074#define IFSET(x) if (set) (x) 1075 1076 const struct s_p_tab *pt ; 1077 int len ; 1078 char *from ; 1079 char *to ; 1080 const char *swap ; 1081 char c ; 1082 char *mib_addr ; 1083 struct fddi_mib *mib ; 1084 struct fddi_mib_m *mib_m = NULL; 1085 struct fddi_mib_a *mib_a = NULL; 1086 struct fddi_mib_p *mib_p = NULL; 1087 int mac ; 1088 int path ; 1089 int port ; 1090 SK_LOC_DECL(u_char,byte_val) ; 1091 SK_LOC_DECL(u_short,word_val) ; 1092 SK_LOC_DECL(u_long,long_val) ; 1093 1094 mac = index - INDEX_MAC ; 1095 path = index - INDEX_PATH ; 1096 port = index - INDEX_PORT ; 1097 len = pa->p_len ; 1098 from = (char *) (pa + 1 ) ; 1099 1100 mib = &smc->mib ; 1101 switch (pa->p_type & 0xf000) { 1102 case 0x1000 : 1103 default : 1104 mib_addr = (char *) mib ; 1105 break ; 1106 case 0x2000 : 1107 if (mac < 0 || mac >= NUMMACS) { 1108 return SMT_RDF_NOPARAM; 1109 } 1110 mib_m = &smc->mib.m[mac] ; 1111 mib_addr = (char *) mib_m ; 1112 from += 4 ; /* skip index */ 1113 len -= 4 ; 1114 break ; 1115 case 0x3000 : 1116 if (path < 0 || path >= NUMPATHS) { 1117 return SMT_RDF_NOPARAM; 1118 } 1119 mib_a = &smc->mib.a[path] ; 1120 mib_addr = (char *) mib_a ; 1121 from += 4 ; /* skip index */ 1122 len -= 4 ; 1123 break ; 1124 case 0x4000 : 1125 if (port < 0 || port >= smt_mib_phys(smc)) { 1126 return SMT_RDF_NOPARAM; 1127 } 1128 mib_p = &smc->mib.p[port_to_mib(smc,port)] ; 1129 mib_addr = (char *) mib_p ; 1130 from += 4 ; /* skip index */ 1131 len -= 4 ; 1132 break ; 1133 } 1134 switch (pa->p_type) { 1135 case SMT_P10F0 : 1136 case SMT_P10F1 : 1137#ifdef ESS 1138 case SMT_P10F2 : 1139 case SMT_P10F3 : 1140 case SMT_P10F4 : 1141 case SMT_P10F5 : 1142 case SMT_P10F6 : 1143 case SMT_P10F7 : 1144#endif 1145#ifdef SBA 1146 case SMT_P10F8 : 1147 case SMT_P10F9 : 1148#endif 1149 case SMT_P20F1 : 1150 if (!local) 1151 return SMT_RDF_NOPARAM; 1152 break ; 1153 } 1154 pt = smt_get_ptab(pa->p_type) ; 1155 if (!pt) 1156 return (pa->p_type & 0xff00) ? SMT_RDF_NOPARAM : 1157 SMT_RDF_ILLEGAL; 1158 switch (pt->p_access) { 1159 case AC_GR : 1160 case AC_S : 1161 break ; 1162 default : 1163 return SMT_RDF_ILLEGAL; 1164 } 1165 to = mib_addr + pt->p_offset ; 1166 swap = pt->p_swap ; /* pointer to swap string */ 1167 1168 while (swap && (c = *swap++)) { 1169 switch(c) { 1170 case 'b' : 1171 to = (char *) &byte_val ; 1172 break ; 1173 case 'w' : 1174 to = (char *) &word_val ; 1175 break ; 1176 case 'l' : 1177 to = (char *) &long_val ; 1178 break ; 1179 case 'S' : 1180 case 'E' : 1181 case 'R' : 1182 case 'r' : 1183 if (len < 4) { 1184 goto len_error ; 1185 } 1186 if (from[0] | from[1]) 1187 goto val_error ; 1188#ifdef LITTLE_ENDIAN 1189 if (c == 'r') { 1190 to[0] = from[2] ; 1191 to[1] = from[3] ; 1192 } 1193 else { 1194 to[1] = from[2] ; 1195 to[0] = from[3] ; 1196 } 1197#else 1198 to[0] = from[2] ; 1199 to[1] = from[3] ; 1200#endif 1201 from += 4 ; 1202 to += 2 ; 1203 len -= 4 ; 1204 break ; 1205 case 'F' : 1206 case 'B' : 1207 if (len < 4) { 1208 goto len_error ; 1209 } 1210 if (from[0] | from[1] | from[2]) 1211 goto val_error ; 1212 to[0] = from[3] ; 1213 len -= 4 ; 1214 from += 4 ; 1215 to += 4 ; 1216 break ; 1217 case 'C' : 1218 case 'T' : 1219 case 'L' : 1220 if (len < 4) { 1221 goto len_error ; 1222 } 1223#ifdef LITTLE_ENDIAN 1224 to[3] = *from++ ; 1225 to[2] = *from++ ; 1226 to[1] = *from++ ; 1227 to[0] = *from++ ; 1228#else 1229 to[0] = *from++ ; 1230 to[1] = *from++ ; 1231 to[2] = *from++ ; 1232 to[3] = *from++ ; 1233#endif 1234 len -= 4 ; 1235 to += 4 ; 1236 break ; 1237 case 'A' : 1238 if (len < 8) 1239 goto len_error ; 1240 if (set) 1241 memcpy(to,from+2,6) ; 1242 to += 8 ; 1243 from += 8 ; 1244 len -= 8 ; 1245 break ; 1246 case '4' : 1247 if (len < 4) 1248 goto len_error ; 1249 if (set) 1250 memcpy(to,from,4) ; 1251 to += 4 ; 1252 from += 4 ; 1253 len -= 4 ; 1254 break ; 1255 case '8' : 1256 if (len < 8) 1257 goto len_error ; 1258 if (set) 1259 memcpy(to,from,8) ; 1260 to += 8 ; 1261 from += 8 ; 1262 len -= 8 ; 1263 break ; 1264 case 'D' : 1265 if (len < 32) 1266 goto len_error ; 1267 if (set) 1268 memcpy(to,from,32) ; 1269 to += 32 ; 1270 from += 32 ; 1271 len -= 32 ; 1272 break ; 1273 case 'P' : /* timestamp is NOT swapped */ 1274 if (set) { 1275 to[0] = *from++ ; 1276 to[1] = *from++ ; 1277 to[2] = *from++ ; 1278 to[3] = *from++ ; 1279 to[4] = *from++ ; 1280 to[5] = *from++ ; 1281 to[6] = *from++ ; 1282 to[7] = *from++ ; 1283 } 1284 to += 8 ; 1285 len -= 8 ; 1286 break ; 1287 default : 1288 SMT_PANIC(smc,SMT_E0120, SMT_E0120_MSG) ; 1289 return SMT_RDF_ILLEGAL; 1290 } 1291 } 1292 /* 1293 * actions and internal updates 1294 */ 1295 switch (pa->p_type) { 1296 case SMT_P101A: /* fddiSMTConfigPolicy */ 1297 if (word_val & ~1) 1298 goto val_error ; 1299 IFSET(mib->fddiSMTConfigPolicy = word_val) ; 1300 break ; 1301 case SMT_P101B : /* fddiSMTConnectionPolicy */ 1302 if (!(word_val & POLICY_MM)) 1303 goto val_error ; 1304 IFSET(mib->fddiSMTConnectionPolicy = word_val) ; 1305 break ; 1306 case SMT_P101D : /* fddiSMTTT_Notify */ 1307 if (word_val < 2 || word_val > 30) 1308 goto val_error ; 1309 IFSET(mib->fddiSMTTT_Notify = word_val) ; 1310 break ; 1311 case SMT_P101E : /* fddiSMTStatRptPolicy */ 1312 if (byte_val & ~1) 1313 goto val_error ; 1314 IFSET(mib->fddiSMTStatRptPolicy = byte_val) ; 1315 break ; 1316 case SMT_P101F : /* fddiSMTTrace_MaxExpiration */ 1317 /* 1318 * note: lower limit trace_max = 6.001773... s 1319 * NO upper limit 1320 */ 1321 if (long_val < (long)0x478bf51L) 1322 goto val_error ; 1323 IFSET(mib->fddiSMTTrace_MaxExpiration = long_val) ; 1324 break ; 1325#ifdef ESS 1326 case SMT_P10F2 : /* fddiESSPayload */ 1327 if (long_val > 1562) 1328 goto val_error ; 1329 if (set && smc->mib.fddiESSPayload != long_val) { 1330 smc->ess.raf_act_timer_poll = TRUE ; 1331 smc->mib.fddiESSPayload = long_val ; 1332 } 1333 break ; 1334 case SMT_P10F3 : /* fddiESSOverhead */ 1335 if (long_val < 50 || long_val > 5000) 1336 goto val_error ; 1337 if (set && smc->mib.fddiESSPayload && 1338 smc->mib.fddiESSOverhead != long_val) { 1339 smc->ess.raf_act_timer_poll = TRUE ; 1340 smc->mib.fddiESSOverhead = long_val ; 1341 } 1342 break ; 1343 case SMT_P10F4 : /* fddiESSMaxTNeg */ 1344 if (long_val > -MS2BCLK(5) || long_val < -MS2BCLK(165)) 1345 goto val_error ; 1346 IFSET(mib->fddiESSMaxTNeg = long_val) ; 1347 break ; 1348 case SMT_P10F5 : /* fddiESSMinSegmentSize */ 1349 if (long_val < 1 || long_val > 4478) 1350 goto val_error ; 1351 IFSET(mib->fddiESSMinSegmentSize = long_val) ; 1352 break ; 1353 case SMT_P10F6 : /* fddiESSCategory */ 1354 if ((long_val & 0xffff) != 1) 1355 goto val_error ; 1356 IFSET(mib->fddiESSCategory = long_val) ; 1357 break ; 1358 case SMT_P10F7 : /* fddiESSSyncTxMode */ 1359 if (word_val > 1) 1360 goto val_error ; 1361 IFSET(mib->fddiESSSynchTxMode = word_val) ; 1362 break ; 1363#endif 1364#ifdef SBA 1365 case SMT_P10F8 : /* fddiSBACommand */ 1366 if (byte_val != SB_STOP && byte_val != SB_START) 1367 goto val_error ; 1368 IFSET(mib->fddiSBACommand = byte_val) ; 1369 break ; 1370 case SMT_P10F9 : /* fddiSBAAvailable */ 1371 if (byte_val > 100) 1372 goto val_error ; 1373 IFSET(mib->fddiSBAAvailable = byte_val) ; 1374 break ; 1375#endif 1376 case SMT_P2020 : /* fddiMACRequestedPaths */ 1377 if ((word_val & (MIB_P_PATH_PRIM_PREFER | 1378 MIB_P_PATH_PRIM_ALTER)) == 0 ) 1379 goto val_error ; 1380 IFSET(mib_m->fddiMACRequestedPaths = word_val) ; 1381 break ; 1382 case SMT_P205F : /* fddiMACFrameErrorThreshold */ 1383 /* 0 .. ffff acceptable */ 1384 IFSET(mib_m->fddiMACFrameErrorThreshold = word_val) ; 1385 break ; 1386 case SMT_P2067 : /* fddiMACNotCopiedThreshold */ 1387 /* 0 .. ffff acceptable */ 1388 IFSET(mib_m->fddiMACNotCopiedThreshold = word_val) ; 1389 break ; 1390 case SMT_P2076: /* fddiMACMA_UnitdataEnable */ 1391 if (byte_val & ~1) 1392 goto val_error ; 1393 if (set) { 1394 mib_m->fddiMACMA_UnitdataEnable = byte_val ; 1395 queue_event(smc,EVENT_RMT,RM_ENABLE_FLAG) ; 1396 } 1397 break ; 1398 case SMT_P20F1 : /* fddiMACT_Min */ 1399 IFSET(mib_m->fddiMACT_Min = long_val) ; 1400 break ; 1401 case SMT_P320F : 1402 if (long_val > 1562) 1403 goto val_error ; 1404 IFSET(mib_a->fddiPATHSbaPayload = long_val) ; 1405#ifdef ESS 1406 if (set) 1407 ess_para_change(smc) ; 1408#endif 1409 break ; 1410 case SMT_P3210 : 1411 if (long_val > 5000) 1412 goto val_error ; 1413 1414 if (long_val != 0 && mib_a->fddiPATHSbaPayload == 0) 1415 goto val_error ; 1416 1417 IFSET(mib_a->fddiPATHSbaOverhead = long_val) ; 1418#ifdef ESS 1419 if (set) 1420 ess_para_change(smc) ; 1421#endif 1422 break ; 1423 case SMT_P3213: /* fddiPATHT_Rmode */ 1424 /* no limit : 1425 * 0 .. 343.597 => 0 .. 2e32 * 80nS 1426 */ 1427 if (set) { 1428 mib_a->fddiPATHT_Rmode = long_val ; 1429 rtm_set_timer(smc) ; 1430 } 1431 break ; 1432 case SMT_P3214 : /* fddiPATHSbaAvailable */ 1433 if (long_val > 0x00BEBC20L) 1434 goto val_error ; 1435#ifdef SBA 1436 if (set && mib->fddiSBACommand == SB_STOP) 1437 goto val_error ; 1438#endif 1439 IFSET(mib_a->fddiPATHSbaAvailable = long_val) ; 1440 break ; 1441 case SMT_P3215 : /* fddiPATHTVXLowerBound */ 1442 IFSET(mib_a->fddiPATHTVXLowerBound = long_val) ; 1443 goto change_mac_para ; 1444 case SMT_P3216 : /* fddiPATHT_MaxLowerBound */ 1445 IFSET(mib_a->fddiPATHT_MaxLowerBound = long_val) ; 1446 goto change_mac_para ; 1447 case SMT_P3217 : /* fddiPATHMaxT_Req */ 1448 IFSET(mib_a->fddiPATHMaxT_Req = long_val) ; 1449 1450change_mac_para: 1451 if (set && smt_set_mac_opvalues(smc)) { 1452 RS_SET(smc,RS_EVENT) ; 1453 smc->sm.please_reconnect = 1 ; 1454 queue_event(smc,EVENT_ECM,EC_DISCONNECT) ; 1455 } 1456 break ; 1457 case SMT_P400E : /* fddiPORTConnectionPolicies */ 1458 if (byte_val > 1) 1459 goto val_error ; 1460 IFSET(mib_p->fddiPORTConnectionPolicies = byte_val) ; 1461 break ; 1462 case SMT_P4011 : /* fddiPORTRequestedPaths */ 1463 /* all 3*8 bits allowed */ 1464 IFSET(memcpy((char *)mib_p->fddiPORTRequestedPaths, 1465 (char *)&long_val,4)) ; 1466 break ; 1467 case SMT_P401F: /* fddiPORTMaint_LS */ 1468 if (word_val > 4) 1469 goto val_error ; 1470 IFSET(mib_p->fddiPORTMaint_LS = word_val) ; 1471 break ; 1472 case SMT_P403A : /* fddiPORTLer_Cutoff */ 1473 if (byte_val < 4 || byte_val > 15) 1474 goto val_error ; 1475 IFSET(mib_p->fddiPORTLer_Cutoff = byte_val) ; 1476 break ; 1477 case SMT_P403B : /* fddiPORTLer_Alarm */ 1478 if (byte_val < 4 || byte_val > 15) 1479 goto val_error ; 1480 IFSET(mib_p->fddiPORTLer_Alarm = byte_val) ; 1481 break ; 1482 1483 /* 1484 * Actions 1485 */ 1486 case SMT_P103C : /* fddiSMTStationAction */ 1487 if (smt_action(smc,SMT_STATION_ACTION, (int) word_val, 0)) 1488 goto val_error ; 1489 break ; 1490 case SMT_P4046: /* fddiPORTAction */ 1491 if (smt_action(smc,SMT_PORT_ACTION, (int) word_val, 1492 port_to_mib(smc,port))) 1493 goto val_error ; 1494 break ; 1495 default : 1496 break ; 1497 } 1498 return 0; 1499 1500val_error: 1501 /* parameter value in frame is out of range */ 1502 return SMT_RDF_RANGE; 1503 1504len_error: 1505 /* parameter value in frame is too short */ 1506 return SMT_RDF_LENGTH; 1507 1508#if 0 1509no_author_error: 1510 /* parameter not setable, because the SBA is not active 1511 * Please note: we give the return code 'not authorizeed 1512 * because SBA denied is not a valid return code in the 1513 * PMF protocol. 1514 */ 1515 return SMT_RDF_AUTHOR; 1516#endif 1517} 1518 1519static const struct s_p_tab *smt_get_ptab(u_short para) 1520{ 1521 const struct s_p_tab *pt ; 1522 for (pt = p_tab ; pt->p_num && pt->p_num != para ; pt++) 1523 ; 1524 return pt->p_num ? pt : NULL; 1525} 1526 1527static int smt_mib_phys(struct s_smc *smc) 1528{ 1529#ifdef CONCENTRATOR 1530 SK_UNUSED(smc) ; 1531 1532 return NUMPHYS; 1533#else 1534 if (smc->s.sas == SMT_SAS) 1535 return 1; 1536 return NUMPHYS; 1537#endif 1538} 1539 1540static int port_to_mib(struct s_smc *smc, int p) 1541{ 1542#ifdef CONCENTRATOR 1543 SK_UNUSED(smc) ; 1544 1545 return p; 1546#else 1547 if (smc->s.sas == SMT_SAS) 1548 return PS; 1549 return p; 1550#endif 1551} 1552 1553 1554#ifdef DEBUG 1555#ifndef BOOT 1556void dump_smt(struct s_smc *smc, struct smt_header *sm, char *text) 1557{ 1558 int len ; 1559 struct smt_para *pa ; 1560 char *c ; 1561 int n ; 1562 int nn ; 1563#ifdef LITTLE_ENDIAN 1564 int smtlen ; 1565#endif 1566 1567 SK_UNUSED(smc) ; 1568 1569#ifdef DEBUG_BRD 1570 if (smc->debug.d_smtf < 2) 1571#else 1572 if (debug.d_smtf < 2) 1573#endif 1574 return ; 1575#ifdef LITTLE_ENDIAN 1576 smtlen = sm->smt_len + sizeof(struct smt_header) ; 1577#endif 1578 printf("SMT Frame [%s]:\nDA ",text) ; 1579 dump_hex((char *) &sm->smt_dest,6) ; 1580 printf("\tSA ") ; 1581 dump_hex((char *) &sm->smt_source,6) ; 1582 printf(" Class %x Type %x Version %x\n", 1583 sm->smt_class,sm->smt_type,sm->smt_version) ; 1584 printf("TID %x\t\tSID ", sm->smt_tid); 1585 dump_hex((char *) &sm->smt_sid,8) ; 1586 printf(" LEN %x\n",sm->smt_len) ; 1587 1588 len = sm->smt_len ; 1589 pa = (struct smt_para *) (sm + 1) ; 1590 while (len > 0 ) { 1591 int plen ; 1592#ifdef UNIX 1593 printf("TYPE %x LEN %x VALUE\t",pa->p_type,pa->p_len) ; 1594#else 1595 printf("TYPE %04x LEN %2x VALUE\t",pa->p_type,pa->p_len) ; 1596#endif 1597 n = pa->p_len ; 1598 if ( (n < 0 ) || (n > (int)(len - PARA_LEN))) { 1599 n = len - PARA_LEN ; 1600 printf(" BAD LENGTH\n") ; 1601 break ; 1602 } 1603#ifdef LITTLE_ENDIAN 1604 smt_swap_para(sm,smtlen,0) ; 1605#endif 1606 if (n < 24) { 1607 dump_hex((char *)(pa+1),(int) n) ; 1608 printf("\n") ; 1609 } 1610 else { 1611 int first = 0 ; 1612 c = (char *)(pa+1) ; 1613 dump_hex(c,16) ; 1614 printf("\n") ; 1615 n -= 16 ; 1616 c += 16 ; 1617 while (n > 0) { 1618 nn = (n > 16) ? 16 : n ; 1619 if (n > 64) { 1620 if (first == 0) 1621 printf("\t\t\t...\n") ; 1622 first = 1 ; 1623 } 1624 else { 1625 printf("\t\t\t") ; 1626 dump_hex(c,nn) ; 1627 printf("\n") ; 1628 } 1629 n -= nn ; 1630 c += 16 ; 1631 } 1632 } 1633#ifdef LITTLE_ENDIAN 1634 smt_swap_para(sm,smtlen,1) ; 1635#endif 1636 plen = (pa->p_len + PARA_LEN + 3) & ~3 ; 1637 len -= plen ; 1638 pa = (struct smt_para *)((char *)pa + plen) ; 1639 } 1640 printf("-------------------------------------------------\n\n") ; 1641} 1642 1643void dump_hex(char *p, int len) 1644{ 1645 int n = 0 ; 1646 while (len--) { 1647 n++ ; 1648#ifdef UNIX 1649 printf("%x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ; 1650#else 1651 printf("%02x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ; 1652#endif 1653 } 1654} 1655#endif /* no BOOT */ 1656#endif /* DEBUG */ 1657 1658 1659#endif /* no SLIM_SMT */ 1660