1 /******************************************************************************
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
6 * See the file "skfddi.c" for further information.
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.
13 * The information in this file is provided "AS IS" without warranty.
15 ******************************************************************************/
18 Parameter Management Frame processing for SMT 7.2
27 #include "h/smtstate.h"
32 static const char ID_sccs[] = "@(#)pmf.c 1.37 97/08/04 (C) SK " ;
35 static int smt_authorize(struct s_smc *smc, struct smt_header *sm);
36 static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm);
37 static const struct s_p_tab* smt_get_ptab(u_short para);
38 static int smt_mib_phys(struct s_smc *smc);
39 static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index,
41 void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para,
42 int index, int local);
43 static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req,
45 static int port_to_mib(struct s_smc *smc, int p);
47 #define MOFFSS(e) ((int)&(((struct fddi_mib *)0)->e))
48 #define MOFFSA(e) ((int) (((struct fddi_mib *)0)->e))
50 #define MOFFMS(e) ((int)&(((struct fddi_mib_m *)0)->e))
51 #define MOFFMA(e) ((int) (((struct fddi_mib_m *)0)->e))
53 #define MOFFAS(e) ((int)&(((struct fddi_mib_a *)0)->e))
54 #define MOFFAA(e) ((int) (((struct fddi_mib_a *)0)->e))
56 #define MOFFPS(e) ((int)&(((struct fddi_mib_p *)0)->e))
57 #define MOFFPA(e) ((int) (((struct fddi_mib_p *)0)->e))
60 #define AC_G 0x01 /* Get */
61 #define AC_GR 0x02 /* Get/Set */
62 #define AC_S 0x04 /* Set */
64 #define AC_GROUP 0x10 /* Group */
65 #define MS2BCLK(x) ((x)*12500L)
74 A LongAddress (6 byte)
78 static const struct s_p_tab {
79 u_short p_num ; /* parameter code */
80 u_char p_access ; /* access rights */
81 u_short p_offset ; /* offset in mib */
82 char p_swap[3] ; /* format string */
85 { SMT_P100A,AC_GROUP } ,
86 { SMT_P100B,AC_G, MOFFSS(fddiSMTStationId), "8" } ,
87 { SMT_P100D,AC_G, MOFFSS(fddiSMTOpVersionId), "S" } ,
88 { SMT_P100E,AC_G, MOFFSS(fddiSMTHiVersionId), "S" } ,
89 { SMT_P100F,AC_G, MOFFSS(fddiSMTLoVersionId), "S" } ,
90 { SMT_P1010,AC_G, MOFFSA(fddiSMTManufacturerData), "D" } ,
91 { SMT_P1011,AC_GR, MOFFSA(fddiSMTUserData), "D" } ,
92 { SMT_P1012,AC_G, MOFFSS(fddiSMTMIBVersionId), "S" } ,
94 /* StationConfigGrp */
95 { SMT_P1014,AC_GROUP } ,
96 { SMT_P1015,AC_G, MOFFSS(fddiSMTMac_Ct), "B" } ,
97 { SMT_P1016,AC_G, MOFFSS(fddiSMTNonMaster_Ct), "B" } ,
98 { SMT_P1017,AC_G, MOFFSS(fddiSMTMaster_Ct), "B" } ,
99 { SMT_P1018,AC_G, MOFFSS(fddiSMTAvailablePaths), "B" } ,
100 { SMT_P1019,AC_G, MOFFSS(fddiSMTConfigCapabilities),"S" } ,
101 { SMT_P101A,AC_GR, MOFFSS(fddiSMTConfigPolicy), "wS" } ,
102 { SMT_P101B,AC_GR, MOFFSS(fddiSMTConnectionPolicy),"wS" } ,
103 { SMT_P101D,AC_GR, MOFFSS(fddiSMTTT_Notify), "wS" } ,
104 { SMT_P101E,AC_GR, MOFFSS(fddiSMTStatRptPolicy), "bB" } ,
105 { SMT_P101F,AC_GR, MOFFSS(fddiSMTTrace_MaxExpiration),"lL" } ,
106 { SMT_P1020,AC_G, MOFFSA(fddiSMTPORTIndexes), "II" } ,
107 { SMT_P1021,AC_G, MOFFSS(fddiSMTMACIndexes), "I" } ,
108 { SMT_P1022,AC_G, MOFFSS(fddiSMTBypassPresent), "F" } ,
111 { SMT_P1028,AC_GROUP } ,
112 { SMT_P1029,AC_G, MOFFSS(fddiSMTECMState), "E" } ,
113 { SMT_P102A,AC_G, MOFFSS(fddiSMTCF_State), "E" } ,
114 { SMT_P102C,AC_G, MOFFSS(fddiSMTRemoteDisconnectFlag),"F" } ,
115 { SMT_P102D,AC_G, MOFFSS(fddiSMTStationStatus), "E" } ,
116 { SMT_P102E,AC_G, MOFFSS(fddiSMTPeerWrapFlag), "F" } ,
118 /* MIBOperationGrp */
119 { SMT_P1032,AC_GROUP } ,
120 { SMT_P1033,AC_G, MOFFSA(fddiSMTTimeStamp),"P" } ,
121 { SMT_P1034,AC_G, MOFFSA(fddiSMTTransitionTimeStamp),"P" } ,
122 /* NOTE : SMT_P1035 is already swapped ! SMT_P_SETCOUNT */
123 { SMT_P1035,AC_G, MOFFSS(fddiSMTSetCount),"4P" } ,
124 { SMT_P1036,AC_G, MOFFSS(fddiSMTLastSetStationId),"8" } ,
126 { SMT_P103C,AC_S, 0, "wS" } ,
130 * only accessible locally to get/set passwd
132 { SMT_P10F0,AC_GR, MOFFSA(fddiPRPMFPasswd), "8" } ,
133 { SMT_P10F1,AC_GR, MOFFSS(fddiPRPMFStation), "8" } ,
135 { SMT_P10F2,AC_GR, MOFFSS(fddiESSPayload), "lL" } ,
136 { SMT_P10F3,AC_GR, MOFFSS(fddiESSOverhead), "lL" } ,
137 { SMT_P10F4,AC_GR, MOFFSS(fddiESSMaxTNeg), "lL" } ,
138 { SMT_P10F5,AC_GR, MOFFSS(fddiESSMinSegmentSize), "lL" } ,
139 { SMT_P10F6,AC_GR, MOFFSS(fddiESSCategory), "lL" } ,
140 { SMT_P10F7,AC_GR, MOFFSS(fddiESSSynchTxMode), "wS" } ,
143 { SMT_P10F8,AC_GR, MOFFSS(fddiSBACommand), "bF" } ,
144 { SMT_P10F9,AC_GR, MOFFSS(fddiSBAAvailable), "bF" } ,
147 { SMT_P200A,AC_GROUP } ,
148 { SMT_P200B,AC_G, MOFFMS(fddiMACFrameStatusFunctions),"S" } ,
149 { SMT_P200D,AC_G, MOFFMS(fddiMACT_MaxCapabilitiy),"T" } ,
150 { SMT_P200E,AC_G, MOFFMS(fddiMACTVXCapabilitiy),"T" } ,
153 { SMT_P2014,AC_GROUP } ,
154 { SMT_P2016,AC_G, MOFFMS(fddiMACAvailablePaths), "B" } ,
155 { SMT_P2017,AC_G, MOFFMS(fddiMACCurrentPath), "S" } ,
156 { SMT_P2018,AC_G, MOFFMS(fddiMACUpstreamNbr), "A" } ,
157 { SMT_P2019,AC_G, MOFFMS(fddiMACDownstreamNbr), "A" } ,
158 { SMT_P201A,AC_G, MOFFMS(fddiMACOldUpstreamNbr), "A" } ,
159 { SMT_P201B,AC_G, MOFFMS(fddiMACOldDownstreamNbr),"A" } ,
160 { SMT_P201D,AC_G, MOFFMS(fddiMACDupAddressTest), "E" } ,
161 { SMT_P2020,AC_GR, MOFFMS(fddiMACRequestedPaths), "wS" } ,
162 { SMT_P2021,AC_G, MOFFMS(fddiMACDownstreamPORTType),"E" } ,
163 { SMT_P2022,AC_G, MOFFMS(fddiMACIndex), "S" } ,
166 { SMT_P2028,AC_GROUP } ,
167 { SMT_P2029,AC_G, MOFFMS(fddiMACSMTAddress), "A" } ,
170 { SMT_P2032,AC_GROUP } ,
171 { SMT_P2033,AC_G, MOFFMS(fddiMACT_Req), "T" } ,
172 { SMT_P2034,AC_G, MOFFMS(fddiMACT_Neg), "T" } ,
173 { SMT_P2035,AC_G, MOFFMS(fddiMACT_Max), "T" } ,
174 { SMT_P2036,AC_G, MOFFMS(fddiMACTvxValue), "T" } ,
175 { SMT_P2038,AC_G, MOFFMS(fddiMACT_Pri0), "T" } ,
176 { SMT_P2039,AC_G, MOFFMS(fddiMACT_Pri1), "T" } ,
177 { SMT_P203A,AC_G, MOFFMS(fddiMACT_Pri2), "T" } ,
178 { SMT_P203B,AC_G, MOFFMS(fddiMACT_Pri3), "T" } ,
179 { SMT_P203C,AC_G, MOFFMS(fddiMACT_Pri4), "T" } ,
180 { SMT_P203D,AC_G, MOFFMS(fddiMACT_Pri5), "T" } ,
181 { SMT_P203E,AC_G, MOFFMS(fddiMACT_Pri6), "T" } ,
185 { SMT_P2046,AC_GROUP } ,
186 { SMT_P2047,AC_G, MOFFMS(fddiMACFrame_Ct), "C" } ,
187 { SMT_P2048,AC_G, MOFFMS(fddiMACCopied_Ct), "C" } ,
188 { SMT_P2049,AC_G, MOFFMS(fddiMACTransmit_Ct), "C" } ,
189 { SMT_P204A,AC_G, MOFFMS(fddiMACToken_Ct), "C" } ,
190 { SMT_P2051,AC_G, MOFFMS(fddiMACError_Ct), "C" } ,
191 { SMT_P2052,AC_G, MOFFMS(fddiMACLost_Ct), "C" } ,
192 { SMT_P2053,AC_G, MOFFMS(fddiMACTvxExpired_Ct), "C" } ,
193 { SMT_P2054,AC_G, MOFFMS(fddiMACNotCopied_Ct), "C" } ,
194 { SMT_P2056,AC_G, MOFFMS(fddiMACRingOp_Ct), "C" } ,
196 /* FrameErrorConditionGrp */
197 { SMT_P205A,AC_GROUP } ,
198 { SMT_P205F,AC_GR, MOFFMS(fddiMACFrameErrorThreshold),"wS" } ,
199 { SMT_P2060,AC_G, MOFFMS(fddiMACFrameErrorRatio), "S" } ,
201 /* NotCopiedConditionGrp */
202 { SMT_P2064,AC_GROUP } ,
203 { SMT_P2067,AC_GR, MOFFMS(fddiMACNotCopiedThreshold),"wS" } ,
204 { SMT_P2069,AC_G, MOFFMS(fddiMACNotCopiedRatio), "S" } ,
207 { SMT_P206E,AC_GROUP } ,
208 { SMT_P206F,AC_G, MOFFMS(fddiMACRMTState), "S" } ,
209 { SMT_P2070,AC_G, MOFFMS(fddiMACDA_Flag), "F" } ,
210 { SMT_P2071,AC_G, MOFFMS(fddiMACUNDA_Flag), "F" } ,
211 { SMT_P2072,AC_G, MOFFMS(fddiMACFrameErrorFlag), "F" } ,
212 { SMT_P2073,AC_G, MOFFMS(fddiMACNotCopiedFlag), "F" } ,
213 { SMT_P2074,AC_G, MOFFMS(fddiMACMA_UnitdataAvailable),"F" } ,
214 { SMT_P2075,AC_G, MOFFMS(fddiMACHardwarePresent), "F" } ,
215 { SMT_P2076,AC_GR, MOFFMS(fddiMACMA_UnitdataEnable),"bF" } ,
219 * only accessible locally to get/set TMIN
221 { SMT_P20F0,AC_NA } ,
222 { SMT_P20F1,AC_GR, MOFFMS(fddiMACT_Min), "lT" } ,
224 /* Path Attributes */
226 * DON't swap 320B,320F,3210: they are already swapped in swap_para()
228 { SMT_P320A,AC_GROUP } ,
229 { SMT_P320B,AC_G, MOFFAS(fddiPATHIndex), "r" } ,
230 { SMT_P320F,AC_GR, MOFFAS(fddiPATHSbaPayload), "l4" } ,
231 { SMT_P3210,AC_GR, MOFFAS(fddiPATHSbaOverhead), "l4" } ,
232 /* fddiPATHConfiguration */
233 { SMT_P3212,AC_G, 0, "" } ,
234 { SMT_P3213,AC_GR, MOFFAS(fddiPATHT_Rmode), "lT" } ,
235 { SMT_P3214,AC_GR, MOFFAS(fddiPATHSbaAvailable), "lL" } ,
236 { SMT_P3215,AC_GR, MOFFAS(fddiPATHTVXLowerBound), "lT" } ,
237 { SMT_P3216,AC_GR, MOFFAS(fddiPATHT_MaxLowerBound),"lT" } ,
238 { SMT_P3217,AC_GR, MOFFAS(fddiPATHMaxT_Req), "lT" } ,
240 /* Port Attributes */
242 { SMT_P400A,AC_GROUP } ,
243 { SMT_P400C,AC_G, MOFFPS(fddiPORTMy_Type), "E" } ,
244 { SMT_P400D,AC_G, MOFFPS(fddiPORTNeighborType), "E" } ,
245 { SMT_P400E,AC_GR, MOFFPS(fddiPORTConnectionPolicies),"bB" } ,
246 { SMT_P400F,AC_G, MOFFPS(fddiPORTMacIndicated), "2" } ,
247 { SMT_P4010,AC_G, MOFFPS(fddiPORTCurrentPath), "E" } ,
248 { SMT_P4011,AC_GR, MOFFPA(fddiPORTRequestedPaths), "l4" } ,
249 { SMT_P4012,AC_G, MOFFPS(fddiPORTMACPlacement), "S" } ,
250 { SMT_P4013,AC_G, MOFFPS(fddiPORTAvailablePaths), "B" } ,
251 { SMT_P4016,AC_G, MOFFPS(fddiPORTPMDClass), "E" } ,
252 { SMT_P4017,AC_G, MOFFPS(fddiPORTConnectionCapabilities), "B"} ,
253 { SMT_P401D,AC_G, MOFFPS(fddiPORTIndex), "R" } ,
256 { SMT_P401E,AC_GROUP } ,
257 { SMT_P401F,AC_GR, MOFFPS(fddiPORTMaint_LS), "wE" } ,
258 { SMT_P4021,AC_G, MOFFPS(fddiPORTBS_Flag), "F" } ,
259 { SMT_P4022,AC_G, MOFFPS(fddiPORTPC_LS), "E" } ,
262 { SMT_P4028,AC_GROUP } ,
263 { SMT_P4029,AC_G, MOFFPS(fddiPORTEBError_Ct), "C" } ,
264 { SMT_P402A,AC_G, MOFFPS(fddiPORTLCTFail_Ct), "C" } ,
267 { SMT_P4032,AC_GROUP } ,
268 { SMT_P4033,AC_G, MOFFPS(fddiPORTLer_Estimate), "F" } ,
269 { SMT_P4034,AC_G, MOFFPS(fddiPORTLem_Reject_Ct), "C" } ,
270 { SMT_P4035,AC_G, MOFFPS(fddiPORTLem_Ct), "C" } ,
271 { SMT_P403A,AC_GR, MOFFPS(fddiPORTLer_Cutoff), "bB" } ,
272 { SMT_P403B,AC_GR, MOFFPS(fddiPORTLer_Alarm), "bB" } ,
275 { SMT_P403C,AC_GROUP } ,
276 { SMT_P403D,AC_G, MOFFPS(fddiPORTConnectState), "E" } ,
277 { SMT_P403E,AC_G, MOFFPS(fddiPORTPCMStateX), "E" } ,
278 { SMT_P403F,AC_G, MOFFPS(fddiPORTPC_Withhold), "E" } ,
279 { SMT_P4040,AC_G, MOFFPS(fddiPORTLerFlag), "F" } ,
280 { SMT_P4041,AC_G, MOFFPS(fddiPORTHardwarePresent),"F" } ,
282 { SMT_P4046,AC_S, 0, "wS" } ,
288 void smt_pmf_received_pack(struct s_smc *smc, SMbuf *mb, int local)
290 struct smt_header *sm ;
293 sm = smtod(mb,struct smt_header *) ;
294 DB_SMT("SMT: processing PMF frame at %x len %d\n",sm,mb->sm_len) ;
296 dump_smt(smc,sm,"PMF Received") ;
299 * Start the watchdog: It may be a long, long packet and
300 * maybe the watchdog occurs ...
302 smt_start_watchdog(smc) ;
304 if (sm->smt_class == SMT_PMF_GET ||
305 sm->smt_class == SMT_PMF_SET) {
306 reply = smt_build_pmf_response(smc,sm,
307 sm->smt_class == SMT_PMF_SET,local) ;
309 sm = smtod(reply,struct smt_header *) ;
311 dump_smt(smc,sm,"PMF Reply") ;
313 smt_send_frame(smc,reply,FC_SMT_INFO,local) ;
318 static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req,
322 struct smt_header *smt ;
323 struct smt_para *pa ;
324 struct smt_p_reason *res ;
325 const struct s_p_tab *pt ;
331 SK_LOC_DECL(struct s_pcon,pcon) ;
332 SK_LOC_DECL(struct s_pcon,set_pcon) ;
337 if (!(mb = smt_get_mbuf(smc)))
340 smt = smtod(mb, struct smt_header *) ;
341 smt->smt_dest = req->smt_source ; /* DA == source of request */
342 smt->smt_class = req->smt_class ; /* same class (GET/SET) */
343 smt->smt_type = SMT_REPLY ;
344 smt->smt_version = SMT_VID_2 ;
345 smt->smt_tid = req->smt_tid ; /* same TID */
350 * setup parameter status
352 pcon.pc_len = SMT_MAX_INFO_LEN ; /* max para length */
353 pcon.pc_err = 0 ; /* no error */
354 pcon.pc_badset = 0 ; /* no bad set count */
355 pcon.pc_p = (void *) (smt + 1) ; /* paras start here */
358 * check authoriziation and set count
362 if (!local && smt_authorize(smc,req))
363 error = SMT_RDF_AUTHOR ;
364 else if (smt_check_set_count(smc,req))
365 pcon.pc_badset = SMT_RDF_BADSET ;
368 * add reason code and all mandatory parameters
370 res = (struct smt_p_reason *) pcon.pc_p ;
371 smt_add_para(smc,&pcon,(u_short) SMT_P_REASON,0,0) ;
372 smt_add_para(smc,&pcon,(u_short) SMT_P1033,0,0) ;
373 /* update 1035 and 1036 later if set */
375 smt_add_para(smc,&pcon,(u_short) SMT_P1035,0,0) ;
376 smt_add_para(smc,&pcon,(u_short) SMT_P1036,0,0) ;
378 pcon.pc_err = error ;
380 pa = (struct smt_para *) (req + 1) ;
382 * process list of paras
384 while (!pcon.pc_err && len > 0 ) {
385 if (((u_short)len < pa->p_len + PARA_LEN) || (pa->p_len & 3)) {
386 pcon.pc_err = SMT_RDF_LENGTH ;
390 if (((range = (pa->p_type & 0xf000)) == 0x2000) ||
391 range == 0x3000 || range == 0x4000) {
393 * get index for PART,MAC ad PATH group
395 index = *((u_char *)pa + PARA_LEN + 3) ;/* index */
397 if (!set && (pa->p_len != 4)) {
398 pcon.pc_err = SMT_RDF_LENGTH ;
401 if (!index && !set) {
405 idx_end = index - 1 + NUMMACS ;
409 idx_end = index - 1 + NUMPATHS ;
413 idx_end = index - 1 + NUMPHYS ;
415 if (smc->s.sas == SMT_SAS)
416 idx_end = INDEX_PORT ;
424 * smt group has no index
426 if (!set && (pa->p_len != 0)) {
427 pcon.pc_err = SMT_RDF_LENGTH ;
433 while (index <= idx_end) {
436 * add all paras of group
438 pt = smt_get_ptab(pa->p_type) ;
439 if (pt && pt->p_access == AC_GROUP && !set) {
441 while (pt->p_access == AC_G ||
442 pt->p_access == AC_GR) {
443 smt_add_para(smc,&pcon,pt->p_num,
450 * AUTHORIZATION in get/set
453 else if (pa->p_type != SMT_P_AUTHOR &&
454 (!set || (pa->p_type != SMT_P1035))) {
456 if (pcon.pc_badset) {
457 smt_add_para(smc,&pcon,pa->p_type,
461 st = smt_set_para(smc,pa,index,local,1);
463 * return para even if error
465 smt_add_para(smc,&pcon,pa->p_type,
470 if (pt && pt->p_access == AC_S) {
474 smt_add_para(smc,&pcon,pa->p_type,
482 len -= pa->p_len + PARA_LEN ;
483 pa = (struct smt_para *) ((char *)pa + pa->p_len + PARA_LEN) ;
485 smt->smt_len = SMT_MAX_INFO_LEN - pcon.pc_len ;
486 mb->sm_len = smt->smt_len + sizeof(struct smt_header) ;
488 /* update reason code */
489 res->rdf_reason = pcon.pc_badset ? pcon.pc_badset :
490 pcon.pc_err ? pcon.pc_err : SMT_RDF_SUCCESS ;
491 if (set && (res->rdf_reason == SMT_RDF_SUCCESS)) {
493 * increment set count
495 * store station id of last set
497 smc->mib.fddiSMTSetCount.count++ ;
498 smt_set_timestamp(smc,smc->mib.fddiSMTSetCount.timestamp) ;
499 smc->mib.fddiSMTLastSetStationId = req->smt_sid ;
500 smt_add_para(smc,&set_pcon,(u_short) SMT_P1035,0,0) ;
501 smt_add_para(smc,&set_pcon,(u_short) SMT_P1036,0,0) ;
506 static int smt_authorize(struct s_smc *smc, struct smt_header *sm)
508 struct smt_para *pa ;
513 * check source station id if not zero
515 p = (char *) &smc->mib.fddiPRPMFStation ;
516 for (i = 0 ; i < 8 && !p[i] ; i++)
519 if (memcmp((char *) &sm->smt_sid,
520 (char *) &smc->mib.fddiPRPMFStation,8))
524 * check authoriziation parameter if passwd not zero
526 p = (char *) smc->mib.fddiPRPMFPasswd ;
527 for (i = 0 ; i < 8 && !p[i] ; i++)
530 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P_AUTHOR) ;
535 if (memcmp((char *)(pa+1),(char *)smc->mib.fddiPRPMFPasswd,8))
541 static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm)
543 struct smt_para *pa ;
544 struct smt_p_setcount *sc ;
546 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P1035) ;
548 sc = (struct smt_p_setcount *) pa ;
549 if ((smc->mib.fddiSMTSetCount.count != sc->count) ||
550 memcmp((char *) smc->mib.fddiSMTSetCount.timestamp,
551 (char *)sc->timestamp,8))
557 void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para,
558 int index, int local)
560 struct smt_para *pa ;
561 const struct s_p_tab *pt ;
562 struct fddi_mib_m *mib_m = NULL;
563 struct fddi_mib_p *mib_p = NULL;
584 * actions don't have a value
586 pt = smt_get_ptab(para) ;
587 if (pt && pt->p_access == AC_S)
590 to = (char *) (pcon->pc_p) ; /* destination pointer */
591 len = pcon->pc_len ; /* free space */
592 plen = len ; /* remember start length */
593 pa = (struct smt_para *) to ; /* type/length pointer */
594 to += PARA_LEN ; /* skip smt_para */
597 * set index if required
599 if (((range = (para & 0xf000)) == 0x2000) ||
600 range == 0x3000 || range == 0x4000) {
610 mac = index - INDEX_MAC ;
611 path = index - INDEX_PATH ;
612 port = index - INDEX_PORT ;
619 mib_addr = (char *) (&smc->mib) ;
622 if (mac < 0 || mac >= NUMMACS) {
623 pcon->pc_err = SMT_RDF_NOPARAM ;
626 mib_addr = (char *) (&smc->mib.m[mac]) ;
627 mib_m = (struct fddi_mib_m *) mib_addr ;
630 if (path < 0 || path >= NUMPATHS) {
631 pcon->pc_err = SMT_RDF_NOPARAM ;
634 mib_addr = (char *) (&smc->mib.a[path]) ;
637 if (port < 0 || port >= smt_mib_phys(smc)) {
638 pcon->pc_err = SMT_RDF_NOPARAM ;
641 mib_addr = (char *) (&smc->mib.p[port_to_mib(smc,port)]) ;
642 mib_p = (struct fddi_mib_p *) mib_addr ;
646 * check special paras
666 pcon->pc_err = SMT_RDF_NOPARAM ;
676 mac_update_counter(smc) ;
679 mib_p->fddiPORTPC_LS = LS2MIB(
680 sm_pm_get_ls(smc,port_to_mib(smc,port))) ;
683 * (u_long *) to = 0 ;
686 case SMT_P1033 : /* time stamp */
687 smt_set_timestamp(smc,smc->mib.fddiSMTTimeStamp) ;
690 case SMT_P1020: /* port indexes */
692 swap = "IIIIIIIIIIII" ;
695 if (smc->s.sas == SMT_SAS)
701 swap = "IIIIIIIIIIIIIIIIIIIIIIII" ;
710 sp_len = cem_build_path(smc,to,path) ;
713 case SMT_P1048 : /* peer wrap condition */
715 struct smt_p_1048 *sp ;
716 sp = (struct smt_p_1048 *) to ;
717 sp->p1048_flag = smc->mib.fddiSMTPeerWrapFlag ;
718 sp->p1048_cf_state = smc->mib.fddiSMTCF_State ;
719 sp_len = sizeof(struct smt_p_1048) ;
724 struct smt_p_208c *sp ;
725 sp = (struct smt_p_208c *) to ;
727 smc->mib.m[MAC0].fddiMACDuplicateAddressCond ;
728 sp->p208c_dupcondition =
729 (mib_m->fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0) |
730 (mib_m->fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0);
732 mib_m->fddiMACSMTAddress ;
733 sp->p208c_fddiunalong =
734 mib_m->fddiMACUpstreamNbr ;
736 sp_len = sizeof(struct smt_p_208c) ;
739 case SMT_P208D : /* frame error condition */
741 struct smt_p_208d *sp ;
742 sp = (struct smt_p_208d *) to ;
744 mib_m->fddiMACFrameErrorFlag ;
746 mib_m->fddiMACFrame_Ct ;
748 mib_m->fddiMACError_Ct ;
750 mib_m->fddiMACLost_Ct ;
752 mib_m->fddiMACFrameErrorRatio ;
753 sp_len = sizeof(struct smt_p_208d) ;
756 case SMT_P208E : /* not copied condition */
758 struct smt_p_208e *sp ;
759 sp = (struct smt_p_208e *) to ;
761 mib_m->fddiMACNotCopiedFlag ;
762 sp->p208e_not_copied =
763 mib_m->fddiMACNotCopied_Ct ;
765 mib_m->fddiMACCopied_Ct ;
766 sp->p208e_not_copied_ratio =
767 mib_m->fddiMACNotCopiedRatio ;
768 sp_len = sizeof(struct smt_p_208e) ;
771 case SMT_P208F : /* neighbor change event */
773 struct smt_p_208f *sp ;
774 sp = (struct smt_p_208f *) to ;
776 mib_m->fddiMACMultiple_N ;
777 sp->p208f_nacondition =
778 mib_m->fddiMACDuplicateAddressCond ;
780 mib_m->fddiMACOldUpstreamNbr ;
782 mib_m->fddiMACUpstreamNbr ;
784 mib_m->fddiMACOldDownstreamNbr ;
786 mib_m->fddiMACDownstreamNbr ;
787 sp->p208f_curren_path =
788 mib_m->fddiMACCurrentPath ;
789 sp->p208f_smt_address =
790 mib_m->fddiMACSMTAddress ;
791 sp_len = sizeof(struct smt_p_208f) ;
796 struct smt_p_2090 *sp ;
797 sp = (struct smt_p_2090 *) to ;
799 mib_m->fddiMACMultiple_P ;
800 sp->p2090_availablepaths =
801 mib_m->fddiMACAvailablePaths ;
802 sp->p2090_currentpath =
803 mib_m->fddiMACCurrentPath ;
804 sp->p2090_requestedpaths =
805 mib_m->fddiMACRequestedPaths ;
806 sp_len = sizeof(struct smt_p_2090) ;
811 struct smt_p_4050 *sp ;
812 sp = (struct smt_p_4050 *) to ;
814 mib_p->fddiPORTLerFlag ;
817 mib_p->fddiPORTLer_Cutoff ; ;
819 mib_p->fddiPORTLer_Alarm ; ;
821 mib_p->fddiPORTLer_Estimate ;
822 sp->p4050_reject_ct =
823 mib_p->fddiPORTLem_Reject_Ct ;
825 mib_p->fddiPORTLem_Ct ;
826 sp_len = sizeof(struct smt_p_4050) ;
832 struct smt_p_4051 *sp ;
833 sp = (struct smt_p_4051 *) to ;
835 mib_p->fddiPORTMultiple_U ;
837 mib_p->fddiPORTMy_Type ;
838 sp->p4051_connectstate =
839 mib_p->fddiPORTConnectState ; ;
840 sp->p4051_pc_neighbor =
841 mib_p->fddiPORTNeighborType ;
842 sp->p4051_pc_withhold =
843 mib_p->fddiPORTPC_Withhold ;
844 sp_len = sizeof(struct smt_p_4051) ;
849 struct smt_p_4052 *sp ;
850 sp = (struct smt_p_4052 *) to ;
852 mib_p->fddiPORTEB_Condition ;
853 sp->p4052_eberrorcount =
854 mib_p->fddiPORTEBError_Ct ;
855 sp_len = sizeof(struct smt_p_4052) ;
860 struct smt_p_4053 *sp ;
861 sp = (struct smt_p_4053 *) to ;
863 mib_p->fddiPORTMultiple_P ; ;
864 sp->p4053_availablepaths =
865 mib_p->fddiPORTAvailablePaths ;
866 sp->p4053_currentpath =
867 mib_p->fddiPORTCurrentPath ;
868 memcpy( (char *) &sp->p4053_requestedpaths,
869 (char *) mib_p->fddiPORTRequestedPaths,4) ;
871 mib_p->fddiPORTMy_Type ;
872 sp->p4053_neighbortype =
873 mib_p->fddiPORTNeighborType ;
874 sp_len = sizeof(struct smt_p_4053) ;
884 pcon->pc_err = (para & 0xff00) ? SMT_RDF_NOPARAM :
889 * check access rights
891 switch (pt->p_access) {
896 pcon->pc_err = SMT_RDF_ILLEGAL ;
899 from = mib_addr + pt->p_offset ;
901 swap = pt->p_swap ; /* pointer to swap string */
906 while ((c = *swap++)) {
936 case 'I' : /* for SET of port indexes */
979 case '2' : /* PortMacIndicated */
1004 memcpy((char *) to+2,(char *) from,6) ;
1012 memcpy((char *) to,(char *) from,8) ;
1020 memcpy((char *) to,(char *) from,32) ;
1025 case 'P' : /* timestamp is NOT swapped */
1040 SMT_PANIC(smc,SMT_E0119, SMT_E0119_MSG) ;
1047 * make it even (in case of 'I' encoding)
1048 * note: len is DECREMENTED
1053 to += 4 - (len & 3 ) ;
1057 /* set type and length */
1059 pa->p_len = plen - len - PARA_LEN ;
1061 pcon->pc_p = (void *) to ;
1062 pcon->pc_len = len ;
1071 /* parameter does not fit in frame */
1072 pcon->pc_err = SMT_RDF_TOOLONG ;
1076 pcon->pc_err = SMT_RDF_LENGTH ;
1082 static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index,
1085 #define IFSET(x) if (set) (x)
1087 const struct s_p_tab *pt ;
1094 struct fddi_mib *mib ;
1095 struct fddi_mib_m *mib_m = NULL;
1096 struct fddi_mib_a *mib_a = NULL;
1097 struct fddi_mib_p *mib_p = NULL;
1101 SK_LOC_DECL(u_char,byte_val) ;
1102 SK_LOC_DECL(u_short,word_val) ;
1103 SK_LOC_DECL(u_long,long_val) ;
1105 mac = index - INDEX_MAC ;
1106 path = index - INDEX_PATH ;
1107 port = index - INDEX_PORT ;
1109 from = (char *) (pa + 1 ) ;
1112 switch (pa->p_type & 0xf000) {
1115 mib_addr = (char *) mib ;
1118 if (mac < 0 || mac >= NUMMACS) {
1119 return(SMT_RDF_NOPARAM) ;
1121 mib_m = &smc->mib.m[mac] ;
1122 mib_addr = (char *) mib_m ;
1123 from += 4 ; /* skip index */
1127 if (path < 0 || path >= NUMPATHS) {
1128 return(SMT_RDF_NOPARAM) ;
1130 mib_a = &smc->mib.a[path] ;
1131 mib_addr = (char *) mib_a ;
1132 from += 4 ; /* skip index */
1136 if (port < 0 || port >= smt_mib_phys(smc)) {
1137 return(SMT_RDF_NOPARAM) ;
1139 mib_p = &smc->mib.p[port_to_mib(smc,port)] ;
1140 mib_addr = (char *) mib_p ;
1141 from += 4 ; /* skip index */
1145 switch (pa->p_type) {
1162 return(SMT_RDF_NOPARAM) ;
1166 pt = smt_get_ptab(pa->p_type) ;
1168 return( (pa->p_type & 0xff00) ? SMT_RDF_NOPARAM :
1171 switch (pt->p_access) {
1176 return(SMT_RDF_ILLEGAL) ;
1178 to = mib_addr + pt->p_offset ;
1179 swap = pt->p_swap ; /* pointer to swap string */
1181 while (swap && (c = *swap++)) {
1184 to = (char *) &byte_val ;
1187 to = (char *) &word_val ;
1190 to = (char *) &long_val ;
1199 if (from[0] | from[1])
1201 #ifdef LITTLE_ENDIAN
1223 if (from[0] | from[1] | from[2])
1236 #ifdef LITTLE_ENDIAN
1254 memcpy((char *) to,(char *) from+2,6) ;
1263 memcpy((char *) to,(char *) from,4) ;
1272 memcpy((char *) to,(char *) from,8) ;
1281 memcpy((char *) to,(char *) from,32) ;
1286 case 'P' : /* timestamp is NOT swapped */
1301 SMT_PANIC(smc,SMT_E0120, SMT_E0120_MSG) ;
1302 return(SMT_RDF_ILLEGAL) ;
1306 * actions and internal updates
1308 switch (pa->p_type) {
1309 case SMT_P101A: /* fddiSMTConfigPolicy */
1312 IFSET(mib->fddiSMTConfigPolicy = word_val) ;
1314 case SMT_P101B : /* fddiSMTConnectionPolicy */
1315 if (!(word_val & POLICY_MM))
1317 IFSET(mib->fddiSMTConnectionPolicy = word_val) ;
1319 case SMT_P101D : /* fddiSMTTT_Notify */
1320 if (word_val < 2 || word_val > 30)
1322 IFSET(mib->fddiSMTTT_Notify = word_val) ;
1324 case SMT_P101E : /* fddiSMTStatRptPolicy */
1327 IFSET(mib->fddiSMTStatRptPolicy = byte_val) ;
1329 case SMT_P101F : /* fddiSMTTrace_MaxExpiration */
1331 * note: lower limit trace_max = 6.001773... s
1334 if (long_val < (long)0x478bf51L)
1336 IFSET(mib->fddiSMTTrace_MaxExpiration = long_val) ;
1339 case SMT_P10F2 : /* fddiESSPayload */
1340 if (long_val > 1562)
1342 if (set && smc->mib.fddiESSPayload != long_val) {
1343 smc->ess.raf_act_timer_poll = TRUE ;
1344 smc->mib.fddiESSPayload = long_val ;
1347 case SMT_P10F3 : /* fddiESSOverhead */
1348 if (long_val < 50 || long_val > 5000)
1350 if (set && smc->mib.fddiESSPayload &&
1351 smc->mib.fddiESSOverhead != long_val) {
1352 smc->ess.raf_act_timer_poll = TRUE ;
1353 smc->mib.fddiESSOverhead = long_val ;
1356 case SMT_P10F4 : /* fddiESSMaxTNeg */
1357 if (long_val > -MS2BCLK(5) || long_val < -MS2BCLK(165))
1359 IFSET(mib->fddiESSMaxTNeg = long_val) ;
1361 case SMT_P10F5 : /* fddiESSMinSegmentSize */
1362 if (long_val < 1 || long_val > 4478)
1364 IFSET(mib->fddiESSMinSegmentSize = long_val) ;
1366 case SMT_P10F6 : /* fddiESSCategory */
1367 if ((long_val & 0xffff) != 1)
1369 IFSET(mib->fddiESSCategory = long_val) ;
1371 case SMT_P10F7 : /* fddiESSSyncTxMode */
1374 IFSET(mib->fddiESSSynchTxMode = word_val) ;
1378 case SMT_P10F8 : /* fddiSBACommand */
1379 if (byte_val != SB_STOP && byte_val != SB_START)
1381 IFSET(mib->fddiSBACommand = byte_val) ;
1383 case SMT_P10F9 : /* fddiSBAAvailable */
1386 IFSET(mib->fddiSBAAvailable = byte_val) ;
1389 case SMT_P2020 : /* fddiMACRequestedPaths */
1390 if ((word_val & (MIB_P_PATH_PRIM_PREFER |
1391 MIB_P_PATH_PRIM_ALTER)) == 0 )
1393 IFSET(mib_m->fddiMACRequestedPaths = word_val) ;
1395 case SMT_P205F : /* fddiMACFrameErrorThreshold */
1396 /* 0 .. ffff acceptable */
1397 IFSET(mib_m->fddiMACFrameErrorThreshold = word_val) ;
1399 case SMT_P2067 : /* fddiMACNotCopiedThreshold */
1400 /* 0 .. ffff acceptable */
1401 IFSET(mib_m->fddiMACNotCopiedThreshold = word_val) ;
1403 case SMT_P2076: /* fddiMACMA_UnitdataEnable */
1407 mib_m->fddiMACMA_UnitdataEnable = byte_val ;
1408 queue_event(smc,EVENT_RMT,RM_ENABLE_FLAG) ;
1411 case SMT_P20F1 : /* fddiMACT_Min */
1412 IFSET(mib_m->fddiMACT_Min = long_val) ;
1415 if (long_val > 1562)
1417 IFSET(mib_a->fddiPATHSbaPayload = long_val) ;
1420 ess_para_change(smc) ;
1424 if (long_val > 5000)
1427 if (long_val != 0 && mib_a->fddiPATHSbaPayload == 0)
1430 IFSET(mib_a->fddiPATHSbaOverhead = long_val) ;
1433 ess_para_change(smc) ;
1436 case SMT_P3213: /* fddiPATHT_Rmode */
1438 * 0 .. 343.597 => 0 .. 2e32 * 80nS
1441 mib_a->fddiPATHT_Rmode = long_val ;
1442 rtm_set_timer(smc) ;
1445 case SMT_P3214 : /* fddiPATHSbaAvailable */
1446 if (long_val > 0x00BEBC20L)
1449 if (set && mib->fddiSBACommand == SB_STOP)
1452 IFSET(mib_a->fddiPATHSbaAvailable = long_val) ;
1454 case SMT_P3215 : /* fddiPATHTVXLowerBound */
1455 IFSET(mib_a->fddiPATHTVXLowerBound = long_val) ;
1456 goto change_mac_para ;
1457 case SMT_P3216 : /* fddiPATHT_MaxLowerBound */
1458 IFSET(mib_a->fddiPATHT_MaxLowerBound = long_val) ;
1459 goto change_mac_para ;
1460 case SMT_P3217 : /* fddiPATHMaxT_Req */
1461 IFSET(mib_a->fddiPATHMaxT_Req = long_val) ;
1464 if (set && smt_set_mac_opvalues(smc)) {
1465 RS_SET(smc,RS_EVENT) ;
1466 smc->sm.please_reconnect = 1 ;
1467 queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;
1470 case SMT_P400E : /* fddiPORTConnectionPolicies */
1473 IFSET(mib_p->fddiPORTConnectionPolicies = byte_val) ;
1475 case SMT_P4011 : /* fddiPORTRequestedPaths */
1476 /* all 3*8 bits allowed */
1477 IFSET(memcpy((char *)mib_p->fddiPORTRequestedPaths,
1478 (char *)&long_val,4)) ;
1480 case SMT_P401F: /* fddiPORTMaint_LS */
1483 IFSET(mib_p->fddiPORTMaint_LS = word_val) ;
1485 case SMT_P403A : /* fddiPORTLer_Cutoff */
1486 if (byte_val < 4 || byte_val > 15)
1488 IFSET(mib_p->fddiPORTLer_Cutoff = byte_val) ;
1490 case SMT_P403B : /* fddiPORTLer_Alarm */
1491 if (byte_val < 4 || byte_val > 15)
1493 IFSET(mib_p->fddiPORTLer_Alarm = byte_val) ;
1499 case SMT_P103C : /* fddiSMTStationAction */
1500 if (smt_action(smc,SMT_STATION_ACTION, (int) word_val, 0))
1503 case SMT_P4046: /* fddiPORTAction */
1504 if (smt_action(smc,SMT_PORT_ACTION, (int) word_val,
1505 port_to_mib(smc,port)))
1514 /* parameter value in frame is out of range */
1515 return(SMT_RDF_RANGE) ;
1518 /* parameter value in frame is too short */
1519 return(SMT_RDF_LENGTH) ;
1523 /* parameter not setable, because the SBA is not active
1524 * Please note: we give the return code 'not authorizeed
1525 * because SBA denied is not a valid return code in the
1528 return(SMT_RDF_AUTHOR) ;
1532 static const struct s_p_tab *smt_get_ptab(u_short para)
1534 const struct s_p_tab *pt ;
1535 for (pt = p_tab ; pt->p_num && pt->p_num != para ; pt++)
1537 return(pt->p_num ? pt : NULL) ;
1540 static int smt_mib_phys(struct s_smc *smc)
1547 if (smc->s.sas == SMT_SAS)
1553 static int port_to_mib(struct s_smc *smc, int p)
1560 if (smc->s.sas == SMT_SAS)
1569 void dump_smt(struct s_smc *smc, struct smt_header *sm, char *text)
1572 struct smt_para *pa ;
1576 #ifdef LITTLE_ENDIAN
1583 if (smc->debug.d_smtf < 2)
1585 if (debug.d_smtf < 2)
1588 #ifdef LITTLE_ENDIAN
1589 smtlen = sm->smt_len + sizeof(struct smt_header) ;
1591 printf("SMT Frame [%s]:\nDA ",text) ;
1592 dump_hex((char *) &sm->smt_dest,6) ;
1594 dump_hex((char *) &sm->smt_source,6) ;
1595 printf(" Class %x Type %x Version %x\n",
1596 sm->smt_class,sm->smt_type,sm->smt_version) ;
1597 printf("TID %lx\t\tSID ",sm->smt_tid) ;
1598 dump_hex((char *) &sm->smt_sid,8) ;
1599 printf(" LEN %x\n",sm->smt_len) ;
1602 pa = (struct smt_para *) (sm + 1) ;
1606 printf("TYPE %x LEN %x VALUE\t",pa->p_type,pa->p_len) ;
1608 printf("TYPE %04x LEN %2x VALUE\t",pa->p_type,pa->p_len) ;
1611 if ( (n < 0 ) || (n > (int)(len - PARA_LEN))) {
1612 n = len - PARA_LEN ;
1613 printf(" BAD LENGTH\n") ;
1616 #ifdef LITTLE_ENDIAN
1617 smt_swap_para(sm,smtlen,0) ;
1620 dump_hex((char *)(pa+1),(int) n) ;
1625 c = (char *)(pa+1) ;
1631 nn = (n > 16) ? 16 : n ;
1634 printf("\t\t\t...\n") ;
1646 #ifdef LITTLE_ENDIAN
1647 smt_swap_para(sm,smtlen,1) ;
1649 plen = (pa->p_len + PARA_LEN + 3) & ~3 ;
1651 pa = (struct smt_para *)((char *)pa + plen) ;
1653 printf("-------------------------------------------------\n\n") ;
1656 void dump_hex(char *p, int len)
1662 printf("%x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ;
1664 printf("%02x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ;
1668 #endif /* no BOOT */
1672 #endif /* no SLIM_SMT */