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