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[XFRM]: skb_cow_data() does not set proper owner for new skbs.
[linux-2.6/verdex.git] / drivers / net / skfp / pmf.c
blobf2b446d8b0bffc90407dbdaf3f85afc738956097
1 /******************************************************************************
2 *
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 * See the file "skfddi.c" for further information.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * The information in this file is provided "AS IS" without warranty.
14 *
15 ******************************************************************************/
16
17 /*
18 Parameter Management Frame processing for SMT 7.2
19 */
20
21 #include "h/types.h"
22 #include "h/fddi.h"
23 #include "h/smc.h"
24 #include "h/smt_p.h"
25
26 #define KERNEL
27 #include "h/smtstate.h"
28
29 #ifndef SLIM_SMT
30
31 #ifndef lint
32 static const char ID_sccs[] = "@(#)pmf.c 1.37 97/08/04 (C) SK " ;
33 #endif
34
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 int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, int local,
40 int set);
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,
44 int set, int local);
45
46 #define MOFFSS(e) ((int)&(((struct fddi_mib *)0)->e))
47 #define MOFFSA(e) ((int) (((struct fddi_mib *)0)->e))
48
49 #define MOFFMS(e) ((int)&(((struct fddi_mib_m *)0)->e))
50 #define MOFFMA(e) ((int) (((struct fddi_mib_m *)0)->e))
51
52 #define MOFFAS(e) ((int)&(((struct fddi_mib_a *)0)->e))
53 #define MOFFAA(e) ((int) (((struct fddi_mib_a *)0)->e))
54
55 #define MOFFPS(e) ((int)&(((struct fddi_mib_p *)0)->e))
56 #define MOFFPA(e) ((int) (((struct fddi_mib_p *)0)->e))
57
58
59 #define AC_G 0x01 /* Get */
60 #define AC_GR 0x02 /* Get/Set */
61 #define AC_S 0x04 /* Set */
62 #define AC_NA 0x08
63 #define AC_GROUP 0x10 /* Group */
64 #define MS2BCLK(x) ((x)*12500L)
65 /*
66 F LFag (byte)
67 B byte
68 S u_short 16 bit
69 C Counter 32 bit
70 L Long 32 bit
71 T Timer_2 32 bit
72 P TimeStamp ;
73 A LongAddress (6 byte)
74 E Enum 16 bit
75 R ResId 16 Bit
76 */
77 static const struct s_p_tab {
78 u_short p_num ; /* parameter code */
79 u_char p_access ; /* access rights */
80 u_short p_offset ; /* offset in mib */
81 char p_swap[3] ; /* format string */
82 } p_tab[] = {
83 /* StationIdGrp */
84 { SMT_P100A,AC_GROUP } ,
85 { SMT_P100B,AC_G, MOFFSS(fddiSMTStationId), "8" } ,
86 { SMT_P100D,AC_G, MOFFSS(fddiSMTOpVersionId), "S" } ,
87 { SMT_P100E,AC_G, MOFFSS(fddiSMTHiVersionId), "S" } ,
88 { SMT_P100F,AC_G, MOFFSS(fddiSMTLoVersionId), "S" } ,
89 { SMT_P1010,AC_G, MOFFSA(fddiSMTManufacturerData), "D" } ,
90 { SMT_P1011,AC_GR, MOFFSA(fddiSMTUserData), "D" } ,
91 { SMT_P1012,AC_G, MOFFSS(fddiSMTMIBVersionId), "S" } ,
92
93 /* StationConfigGrp */
94 { SMT_P1014,AC_GROUP } ,
95 { SMT_P1015,AC_G, MOFFSS(fddiSMTMac_Ct), "B" } ,
96 { SMT_P1016,AC_G, MOFFSS(fddiSMTNonMaster_Ct), "B" } ,
97 { SMT_P1017,AC_G, MOFFSS(fddiSMTMaster_Ct), "B" } ,
98 { SMT_P1018,AC_G, MOFFSS(fddiSMTAvailablePaths), "B" } ,
99 { SMT_P1019,AC_G, MOFFSS(fddiSMTConfigCapabilities),"S" } ,
100 { SMT_P101A,AC_GR, MOFFSS(fddiSMTConfigPolicy), "wS" } ,
101 { SMT_P101B,AC_GR, MOFFSS(fddiSMTConnectionPolicy),"wS" } ,
102 { SMT_P101D,AC_GR, MOFFSS(fddiSMTTT_Notify), "wS" } ,
103 { SMT_P101E,AC_GR, MOFFSS(fddiSMTStatRptPolicy), "bB" } ,
104 { SMT_P101F,AC_GR, MOFFSS(fddiSMTTrace_MaxExpiration),"lL" } ,
105 { SMT_P1020,AC_G, MOFFSA(fddiSMTPORTIndexes), "II" } ,
106 { SMT_P1021,AC_G, MOFFSS(fddiSMTMACIndexes), "I" } ,
107 { SMT_P1022,AC_G, MOFFSS(fddiSMTBypassPresent), "F" } ,
108
109 /* StatusGrp */
110 { SMT_P1028,AC_GROUP } ,
111 { SMT_P1029,AC_G, MOFFSS(fddiSMTECMState), "E" } ,
112 { SMT_P102A,AC_G, MOFFSS(fddiSMTCF_State), "E" } ,
113 { SMT_P102C,AC_G, MOFFSS(fddiSMTRemoteDisconnectFlag),"F" } ,
114 { SMT_P102D,AC_G, MOFFSS(fddiSMTStationStatus), "E" } ,
115 { SMT_P102E,AC_G, MOFFSS(fddiSMTPeerWrapFlag), "F" } ,
116
117 /* MIBOperationGrp */
118 { SMT_P1032,AC_GROUP } ,
119 { SMT_P1033,AC_G, MOFFSA(fddiSMTTimeStamp),"P" } ,
120 { SMT_P1034,AC_G, MOFFSA(fddiSMTTransitionTimeStamp),"P" } ,
121 /* NOTE : SMT_P1035 is already swapped ! SMT_P_SETCOUNT */
122 { SMT_P1035,AC_G, MOFFSS(fddiSMTSetCount),"4P" } ,
123 { SMT_P1036,AC_G, MOFFSS(fddiSMTLastSetStationId),"8" } ,
124
125 { SMT_P103C,AC_S, 0, "wS" } ,
126
127 /*
128 * PRIVATE EXTENSIONS
129 * only accessible locally to get/set passwd
130 */
131 { SMT_P10F0,AC_GR, MOFFSA(fddiPRPMFPasswd), "8" } ,
132 { SMT_P10F1,AC_GR, MOFFSS(fddiPRPMFStation), "8" } ,
133 #ifdef ESS
134 { SMT_P10F2,AC_GR, MOFFSS(fddiESSPayload), "lL" } ,
135 { SMT_P10F3,AC_GR, MOFFSS(fddiESSOverhead), "lL" } ,
136 { SMT_P10F4,AC_GR, MOFFSS(fddiESSMaxTNeg), "lL" } ,
137 { SMT_P10F5,AC_GR, MOFFSS(fddiESSMinSegmentSize), "lL" } ,
138 { SMT_P10F6,AC_GR, MOFFSS(fddiESSCategory), "lL" } ,
139 { SMT_P10F7,AC_GR, MOFFSS(fddiESSSynchTxMode), "wS" } ,
140 #endif
141 #ifdef SBA
142 { SMT_P10F8,AC_GR, MOFFSS(fddiSBACommand), "bF" } ,
143 { SMT_P10F9,AC_GR, MOFFSS(fddiSBAAvailable), "bF" } ,
144 #endif
145 /* MAC Attributes */
146 { SMT_P200A,AC_GROUP } ,
147 { SMT_P200B,AC_G, MOFFMS(fddiMACFrameStatusFunctions),"S" } ,
148 { SMT_P200D,AC_G, MOFFMS(fddiMACT_MaxCapabilitiy),"T" } ,
149 { SMT_P200E,AC_G, MOFFMS(fddiMACTVXCapabilitiy),"T" } ,
150
151 /* ConfigGrp */
152 { SMT_P2014,AC_GROUP } ,
153 { SMT_P2016,AC_G, MOFFMS(fddiMACAvailablePaths), "B" } ,
154 { SMT_P2017,AC_G, MOFFMS(fddiMACCurrentPath), "S" } ,
155 { SMT_P2018,AC_G, MOFFMS(fddiMACUpstreamNbr), "A" } ,
156 { SMT_P2019,AC_G, MOFFMS(fddiMACDownstreamNbr), "A" } ,
157 { SMT_P201A,AC_G, MOFFMS(fddiMACOldUpstreamNbr), "A" } ,
158 { SMT_P201B,AC_G, MOFFMS(fddiMACOldDownstreamNbr),"A" } ,
159 { SMT_P201D,AC_G, MOFFMS(fddiMACDupAddressTest), "E" } ,
160 { SMT_P2020,AC_GR, MOFFMS(fddiMACRequestedPaths), "wS" } ,
161 { SMT_P2021,AC_G, MOFFMS(fddiMACDownstreamPORTType),"E" } ,
162 { SMT_P2022,AC_G, MOFFMS(fddiMACIndex), "S" } ,
163
164 /* AddressGrp */
165 { SMT_P2028,AC_GROUP } ,
166 { SMT_P2029,AC_G, MOFFMS(fddiMACSMTAddress), "A" } ,
167
168 /* OperationGrp */
169 { SMT_P2032,AC_GROUP } ,
170 { SMT_P2033,AC_G, MOFFMS(fddiMACT_Req), "T" } ,
171 { SMT_P2034,AC_G, MOFFMS(fddiMACT_Neg), "T" } ,
172 { SMT_P2035,AC_G, MOFFMS(fddiMACT_Max), "T" } ,
173 { SMT_P2036,AC_G, MOFFMS(fddiMACTvxValue), "T" } ,
174 { SMT_P2038,AC_G, MOFFMS(fddiMACT_Pri0), "T" } ,
175 { SMT_P2039,AC_G, MOFFMS(fddiMACT_Pri1), "T" } ,
176 { SMT_P203A,AC_G, MOFFMS(fddiMACT_Pri2), "T" } ,
177 { SMT_P203B,AC_G, MOFFMS(fddiMACT_Pri3), "T" } ,
178 { SMT_P203C,AC_G, MOFFMS(fddiMACT_Pri4), "T" } ,
179 { SMT_P203D,AC_G, MOFFMS(fddiMACT_Pri5), "T" } ,
180 { SMT_P203E,AC_G, MOFFMS(fddiMACT_Pri6), "T" } ,
181
182
183 /* CountersGrp */
184 { SMT_P2046,AC_GROUP } ,
185 { SMT_P2047,AC_G, MOFFMS(fddiMACFrame_Ct), "C" } ,
186 { SMT_P2048,AC_G, MOFFMS(fddiMACCopied_Ct), "C" } ,
187 { SMT_P2049,AC_G, MOFFMS(fddiMACTransmit_Ct), "C" } ,
188 { SMT_P204A,AC_G, MOFFMS(fddiMACToken_Ct), "C" } ,
189 { SMT_P2051,AC_G, MOFFMS(fddiMACError_Ct), "C" } ,
190 { SMT_P2052,AC_G, MOFFMS(fddiMACLost_Ct), "C" } ,
191 { SMT_P2053,AC_G, MOFFMS(fddiMACTvxExpired_Ct), "C" } ,
192 { SMT_P2054,AC_G, MOFFMS(fddiMACNotCopied_Ct), "C" } ,
193 { SMT_P2056,AC_G, MOFFMS(fddiMACRingOp_Ct), "C" } ,
194
195 /* FrameErrorConditionGrp */
196 { SMT_P205A,AC_GROUP } ,
197 { SMT_P205F,AC_GR, MOFFMS(fddiMACFrameErrorThreshold),"wS" } ,
198 { SMT_P2060,AC_G, MOFFMS(fddiMACFrameErrorRatio), "S" } ,
199
200 /* NotCopiedConditionGrp */
201 { SMT_P2064,AC_GROUP } ,
202 { SMT_P2067,AC_GR, MOFFMS(fddiMACNotCopiedThreshold),"wS" } ,
203 { SMT_P2069,AC_G, MOFFMS(fddiMACNotCopiedRatio), "S" } ,
204
205 /* StatusGrp */
206 { SMT_P206E,AC_GROUP } ,
207 { SMT_P206F,AC_G, MOFFMS(fddiMACRMTState), "S" } ,
208 { SMT_P2070,AC_G, MOFFMS(fddiMACDA_Flag), "F" } ,
209 { SMT_P2071,AC_G, MOFFMS(fddiMACUNDA_Flag), "F" } ,
210 { SMT_P2072,AC_G, MOFFMS(fddiMACFrameErrorFlag), "F" } ,
211 { SMT_P2073,AC_G, MOFFMS(fddiMACNotCopiedFlag), "F" } ,
212 { SMT_P2074,AC_G, MOFFMS(fddiMACMA_UnitdataAvailable),"F" } ,
213 { SMT_P2075,AC_G, MOFFMS(fddiMACHardwarePresent), "F" } ,
214 { SMT_P2076,AC_GR, MOFFMS(fddiMACMA_UnitdataEnable),"bF" } ,
215
216 /*
217 * PRIVATE EXTENSIONS
218 * only accessible locally to get/set TMIN
219 */
220 { SMT_P20F0,AC_NA } ,
221 { SMT_P20F1,AC_GR, MOFFMS(fddiMACT_Min), "lT" } ,
222
223 /* Path Attributes */
224 /*
225 * DON't swap 320B,320F,3210: they are already swapped in swap_para()
226 */
227 { SMT_P320A,AC_GROUP } ,
228 { SMT_P320B,AC_G, MOFFAS(fddiPATHIndex), "r" } ,
229 { SMT_P320F,AC_GR, MOFFAS(fddiPATHSbaPayload), "l4" } ,
230 { SMT_P3210,AC_GR, MOFFAS(fddiPATHSbaOverhead), "l4" } ,
231 /* fddiPATHConfiguration */
232 { SMT_P3212,AC_G, 0, "" } ,
233 { SMT_P3213,AC_GR, MOFFAS(fddiPATHT_Rmode), "lT" } ,
234 { SMT_P3214,AC_GR, MOFFAS(fddiPATHSbaAvailable), "lL" } ,
235 { SMT_P3215,AC_GR, MOFFAS(fddiPATHTVXLowerBound), "lT" } ,
236 { SMT_P3216,AC_GR, MOFFAS(fddiPATHT_MaxLowerBound),"lT" } ,
237 { SMT_P3217,AC_GR, MOFFAS(fddiPATHMaxT_Req), "lT" } ,
238
239 /* Port Attributes */
240 /* ConfigGrp */
241 { SMT_P400A,AC_GROUP } ,
242 { SMT_P400C,AC_G, MOFFPS(fddiPORTMy_Type), "E" } ,
243 { SMT_P400D,AC_G, MOFFPS(fddiPORTNeighborType), "E" } ,
244 { SMT_P400E,AC_GR, MOFFPS(fddiPORTConnectionPolicies),"bB" } ,
245 { SMT_P400F,AC_G, MOFFPS(fddiPORTMacIndicated), "2" } ,
246 { SMT_P4010,AC_G, MOFFPS(fddiPORTCurrentPath), "E" } ,
247 { SMT_P4011,AC_GR, MOFFPA(fddiPORTRequestedPaths), "l4" } ,
248 { SMT_P4012,AC_G, MOFFPS(fddiPORTMACPlacement), "S" } ,
249 { SMT_P4013,AC_G, MOFFPS(fddiPORTAvailablePaths), "B" } ,
250 { SMT_P4016,AC_G, MOFFPS(fddiPORTPMDClass), "E" } ,
251 { SMT_P4017,AC_G, MOFFPS(fddiPORTConnectionCapabilities), "B"} ,
252 { SMT_P401D,AC_G, MOFFPS(fddiPORTIndex), "R" } ,
253
254 /* OperationGrp */
255 { SMT_P401E,AC_GROUP } ,
256 { SMT_P401F,AC_GR, MOFFPS(fddiPORTMaint_LS), "wE" } ,
257 { SMT_P4021,AC_G, MOFFPS(fddiPORTBS_Flag), "F" } ,
258 { SMT_P4022,AC_G, MOFFPS(fddiPORTPC_LS), "E" } ,
259
260 /* ErrorCtrsGrp */
261 { SMT_P4028,AC_GROUP } ,
262 { SMT_P4029,AC_G, MOFFPS(fddiPORTEBError_Ct), "C" } ,
263 { SMT_P402A,AC_G, MOFFPS(fddiPORTLCTFail_Ct), "C" } ,
264
265 /* LerGrp */
266 { SMT_P4032,AC_GROUP } ,
267 { SMT_P4033,AC_G, MOFFPS(fddiPORTLer_Estimate), "F" } ,
268 { SMT_P4034,AC_G, MOFFPS(fddiPORTLem_Reject_Ct), "C" } ,
269 { SMT_P4035,AC_G, MOFFPS(fddiPORTLem_Ct), "C" } ,
270 { SMT_P403A,AC_GR, MOFFPS(fddiPORTLer_Cutoff), "bB" } ,
271 { SMT_P403B,AC_GR, MOFFPS(fddiPORTLer_Alarm), "bB" } ,
272
273 /* StatusGrp */
274 { SMT_P403C,AC_GROUP } ,
275 { SMT_P403D,AC_G, MOFFPS(fddiPORTConnectState), "E" } ,
276 { SMT_P403E,AC_G, MOFFPS(fddiPORTPCMStateX), "E" } ,
277 { SMT_P403F,AC_G, MOFFPS(fddiPORTPC_Withhold), "E" } ,
278 { SMT_P4040,AC_G, MOFFPS(fddiPORTLerFlag), "F" } ,
279 { SMT_P4041,AC_G, MOFFPS(fddiPORTHardwarePresent),"F" } ,
280
281 { SMT_P4046,AC_S, 0, "wS" } ,
282
283 { 0, AC_GROUP } ,
284 { 0 }
285 } ;
286
287 void smt_pmf_received_pack(struct s_smc *smc, SMbuf *mb, int local)
288 {
289 struct smt_header *sm ;
290 SMbuf *reply ;
291
292 sm = smtod(mb,struct smt_header *) ;
293 DB_SMT("SMT: processing PMF frame at %x len %d\n",sm,mb->sm_len) ;
294 #ifdef DEBUG
295 dump_smt(smc,sm,"PMF Received") ;
296 #endif
297 /*
298 * Start the watchdog: It may be a long, long packet and
299 * maybe the watchdog occurs ...
300 */
301 smt_start_watchdog(smc) ;
302
303 if (sm->smt_class == SMT_PMF_GET ||
304 sm->smt_class == SMT_PMF_SET) {
305 reply = smt_build_pmf_response(smc,sm,
306 sm->smt_class == SMT_PMF_SET,local) ;
307 if (reply) {
308 sm = smtod(reply,struct smt_header *) ;
309 #ifdef DEBUG
310 dump_smt(smc,sm,"PMF Reply") ;
311 #endif
312 smt_send_frame(smc,reply,FC_SMT_INFO,local) ;
313 }
314 }
315 }
316
317 static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req,
318 int set, int local)
319 {
320 SMbuf *mb ;
321 struct smt_header *smt ;
322 struct smt_para *pa ;
323 struct smt_p_reason *res ;
324 const struct s_p_tab *pt ;
325 int len ;
326 int index ;
327 int idx_end ;
328 int error ;
329 int range ;
330 SK_LOC_DECL(struct s_pcon,pcon) ;
331 SK_LOC_DECL(struct s_pcon,set_pcon) ;
332
333 /*
334 * build SMT header
335 */
336 if (!(mb = smt_get_mbuf(smc)))
337 return(mb) ;
338
339 smt = smtod(mb, struct smt_header *) ;
340 smt->smt_dest = req->smt_source ; /* DA == source of request */
341 smt->smt_class = req->smt_class ; /* same class (GET/SET) */
342 smt->smt_type = SMT_REPLY ;
343 smt->smt_version = SMT_VID_2 ;
344 smt->smt_tid = req->smt_tid ; /* same TID */
345 smt->smt_pad = 0 ;
346 smt->smt_len = 0 ;
347
348 /*
349 * setup parameter status
350 */
351 pcon.pc_len = SMT_MAX_INFO_LEN ; /* max para length */
352 pcon.pc_err = 0 ; /* no error */
353 pcon.pc_badset = 0 ; /* no bad set count */
354 pcon.pc_p = (void *) (smt + 1) ; /* paras start here */
355
356 /*
357 * check authoriziation and set count
358 */
359 error = 0 ;
360 if (set) {
361 if (!local && smt_authorize(smc,req))
362 error = SMT_RDF_AUTHOR ;
363 else if (smt_check_set_count(smc,req))
364 pcon.pc_badset = SMT_RDF_BADSET ;
365 }
366 /*
367 * add reason code and all mandatory parameters
368 */
369 res = (struct smt_p_reason *) pcon.pc_p ;
370 smt_add_para(smc,&pcon,(u_short) SMT_P_REASON,0,0) ;
371 smt_add_para(smc,&pcon,(u_short) SMT_P1033,0,0) ;
372 /* update 1035 and 1036 later if set */
373 set_pcon = pcon ;
374 smt_add_para(smc,&pcon,(u_short) SMT_P1035,0,0) ;
375 smt_add_para(smc,&pcon,(u_short) SMT_P1036,0,0) ;
376
377 pcon.pc_err = error ;
378 len = req->smt_len ;
379 pa = (struct smt_para *) (req + 1) ;
380 /*
381 * process list of paras
382 */
383 while (!pcon.pc_err && len > 0 ) {
384 if (((u_short)len < pa->p_len + PARA_LEN) || (pa->p_len & 3)) {
385 pcon.pc_err = SMT_RDF_LENGTH ;
386 break ;
387 }
388
389 if (((range = (pa->p_type & 0xf000)) == 0x2000) ||
390 range == 0x3000 || range == 0x4000) {
391 /*
392 * get index for PART,MAC ad PATH group
393 */
394 index = *((u_char *)pa + PARA_LEN + 3) ;/* index */
395 idx_end = index ;
396 if (!set && (pa->p_len != 4)) {
397 pcon.pc_err = SMT_RDF_LENGTH ;
398 break ;
399 }
400 if (!index && !set) {
401 switch (range) {
402 case 0x2000 :
403 index = INDEX_MAC ;
404 idx_end = index - 1 + NUMMACS ;
405 break ;
406 case 0x3000 :
407 index = INDEX_PATH ;
408 idx_end = index - 1 + NUMPATHS ;
409 break ;
410 case 0x4000 :
411 index = INDEX_PORT ;
412 idx_end = index - 1 + NUMPHYS ;
413 #ifndef CONCENTRATOR
414 if (smc->s.sas == SMT_SAS)
415 idx_end = INDEX_PORT ;
416 #endif
417 break ;
418 }
419 }
420 }
421 else {
422 /*
423 * smt group has no index
424 */
425 if (!set && (pa->p_len != 0)) {
426 pcon.pc_err = SMT_RDF_LENGTH ;
427 break ;
428 }
429 index = 0 ;
430 idx_end = 0 ;
431 }
432 while (index <= idx_end) {
433 /*
434 * if group
435 * add all paras of group
436 */
437 pt = smt_get_ptab(pa->p_type) ;
438 if (pt && pt->p_access == AC_GROUP && !set) {
439 pt++ ;
440 while (pt->p_access == AC_G ||
441 pt->p_access == AC_GR) {
442 smt_add_para(smc,&pcon,pt->p_num,
443 index,local);
444 pt++ ;
445 }
446 }
447 /*
448 * ignore
449 * AUTHORIZATION in get/set
450 * SET COUNT in set
451 */
452 else if (pa->p_type != SMT_P_AUTHOR &&
453 (!set || (pa->p_type != SMT_P1035))) {
454 int st ;
455 if (pcon.pc_badset) {
456 smt_add_para(smc,&pcon,pa->p_type,
457 index,local) ;
458 }
459 else if (set) {
460 st = smt_set_para(smc,pa,index,local,1);
461 /*
462 * return para even if error
463 */
464 smt_add_para(smc,&pcon,pa->p_type,
465 index,local) ;
466 pcon.pc_err = st ;
467 }
468 else {
469 if (pt && pt->p_access == AC_S) {
470 pcon.pc_err =
471 SMT_RDF_ILLEGAL ;
472 }
473 smt_add_para(smc,&pcon,pa->p_type,
474 index,local) ;
475 }
476 }
477 if (pcon.pc_err)
478 break ;
479 index++ ;
480 }
481 len -= pa->p_len + PARA_LEN ;
482 pa = (struct smt_para *) ((char *)pa + pa->p_len + PARA_LEN) ;
483 }
484 smt->smt_len = SMT_MAX_INFO_LEN - pcon.pc_len ;
485 mb->sm_len = smt->smt_len + sizeof(struct smt_header) ;
486
487 /* update reason code */
488 res->rdf_reason = pcon.pc_badset ? pcon.pc_badset :
489 pcon.pc_err ? pcon.pc_err : SMT_RDF_SUCCESS ;
490 if (set && (res->rdf_reason == SMT_RDF_SUCCESS)) {
491 /*
492 * increment set count
493 * set time stamp
494 * store station id of last set
495 */
496 smc->mib.fddiSMTSetCount.count++ ;
497 smt_set_timestamp(smc,smc->mib.fddiSMTSetCount.timestamp) ;
498 smc->mib.fddiSMTLastSetStationId = req->smt_sid ;
499 smt_add_para(smc,&set_pcon,(u_short) SMT_P1035,0,0) ;
500 smt_add_para(smc,&set_pcon,(u_short) SMT_P1036,0,0) ;
501 }
502 return(mb) ;
503 }
504
505 static int smt_authorize(struct s_smc *smc, struct smt_header *sm)
506 {
507 struct smt_para *pa ;
508 int i ;
509 char *p ;
510
511 /*
512 * check source station id if not zero
513 */
514 p = (char *) &smc->mib.fddiPRPMFStation ;
515 for (i = 0 ; i < 8 && !p[i] ; i++)
516 ;
517 if (i != 8) {
518 if (memcmp((char *) &sm->smt_sid,
519 (char *) &smc->mib.fddiPRPMFStation,8))
520 return(1) ;
521 }
522 /*
523 * check authoriziation parameter if passwd not zero
524 */
525 p = (char *) smc->mib.fddiPRPMFPasswd ;
526 for (i = 0 ; i < 8 && !p[i] ; i++)
527 ;
528 if (i != 8) {
529 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P_AUTHOR) ;
530 if (!pa)
531 return(1) ;
532 if (pa->p_len != 8)
533 return(1) ;
534 if (memcmp((char *)(pa+1),(char *)smc->mib.fddiPRPMFPasswd,8))
535 return(1) ;
536 }
537 return(0) ;
538 }
539
540 static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm)
541 {
542 struct smt_para *pa ;
543 struct smt_p_setcount *sc ;
544
545 pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P1035) ;
546 if (pa) {
547 sc = (struct smt_p_setcount *) pa ;
548 if ((smc->mib.fddiSMTSetCount.count != sc->count) ||
549 memcmp((char *) smc->mib.fddiSMTSetCount.timestamp,
550 (char *)sc->timestamp,8))
551 return(1) ;
552 }
553 return(0) ;
554 }
555
556 void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para,
557 int index, int local)
558 {
559 struct smt_para *pa ;
560 const struct s_p_tab *pt ;
561 struct fddi_mib_m *mib_m = NULL;
562 struct fddi_mib_p *mib_p = NULL;
563 int len ;
564 int plen ;
565 char *from ;
566 char *to ;
567 const char *swap ;
568 char c ;
569 int range ;
570 char *mib_addr ;
571 int mac ;
572 int path ;
573 int port ;
574 int sp_len ;
575
576 /*
577 * skip if errror
578 */
579 if (pcon->pc_err)
580 return ;
581
582 /*
583 * actions don't have a value
584 */
585 pt = smt_get_ptab(para) ;
586 if (pt && pt->p_access == AC_S)
587 return ;
588
589 to = (char *) (pcon->pc_p) ; /* destination pointer */
590 len = pcon->pc_len ; /* free space */
591 plen = len ; /* remember start length */
592 pa = (struct smt_para *) to ; /* type/length pointer */
593 to += PARA_LEN ; /* skip smt_para */
594 len -= PARA_LEN ;
595 /*
596 * set index if required
597 */
598 if (((range = (para & 0xf000)) == 0x2000) ||
599 range == 0x3000 || range == 0x4000) {
600 if (len < 4)
601 goto wrong_error ;
602 to[0] = 0 ;
603 to[1] = 0 ;
604 to[2] = 0 ;
605 to[3] = index ;
606 len -= 4 ;
607 to += 4 ;
608 }
609 mac = index - INDEX_MAC ;
610 path = index - INDEX_PATH ;
611 port = index - INDEX_PORT ;
612 /*
613 * get pointer to mib
614 */
615 switch (range) {
616 case 0x1000 :
617 default :
618 mib_addr = (char *) (&smc->mib) ;
619 break ;
620 case 0x2000 :
621 if (mac < 0 || mac >= NUMMACS) {
622 pcon->pc_err = SMT_RDF_NOPARAM ;
623 return ;
624 }
625 mib_addr = (char *) (&smc->mib.m[mac]) ;
626 mib_m = (struct fddi_mib_m *) mib_addr ;
627 break ;
628 case 0x3000 :
629 if (path < 0 || path >= NUMPATHS) {
630 pcon->pc_err = SMT_RDF_NOPARAM ;
631 return ;
632 }
633 mib_addr = (char *) (&smc->mib.a[path]) ;
634 break ;
635 case 0x4000 :
636 if (port < 0 || port >= smt_mib_phys(smc)) {
637 pcon->pc_err = SMT_RDF_NOPARAM ;
638 return ;
639 }
640 mib_addr = (char *) (&smc->mib.p[port_to_mib(smc,port)]) ;
641 mib_p = (struct fddi_mib_p *) mib_addr ;
642 break ;
643 }
644 /*
645 * check special paras
646 */
647 swap = NULL;
648 switch (para) {
649 case SMT_P10F0 :
650 case SMT_P10F1 :
651 #ifdef ESS
652 case SMT_P10F2 :
653 case SMT_P10F3 :
654 case SMT_P10F4 :
655 case SMT_P10F5 :
656 case SMT_P10F6 :
657 case SMT_P10F7 :
658 #endif
659 #ifdef SBA
660 case SMT_P10F8 :
661 case SMT_P10F9 :
662 #endif
663 case SMT_P20F1 :
664 if (!local) {
665 pcon->pc_err = SMT_RDF_NOPARAM ;
666 return ;
667 }
668 break ;
669 case SMT_P2034 :
670 case SMT_P2046 :
671 case SMT_P2047 :
672 case SMT_P204A :
673 case SMT_P2051 :
674 case SMT_P2052 :
675 mac_update_counter(smc) ;
676 break ;
677 case SMT_P4022:
678 mib_p->fddiPORTPC_LS = LS2MIB(
679 sm_pm_get_ls(smc,port_to_mib(smc,port))) ;
680 break ;
681 case SMT_P_REASON :
682 * (u_long *) to = 0 ;
683 sp_len = 4 ;
684 goto sp_done ;
685 case SMT_P1033 : /* time stamp */
686 smt_set_timestamp(smc,smc->mib.fddiSMTTimeStamp) ;
687 break ;
688
689 case SMT_P1020: /* port indexes */
690 #if NUMPHYS == 12
691 swap = "IIIIIIIIIIII" ;
692 #else
693 #if NUMPHYS == 2
694 if (smc->s.sas == SMT_SAS)
695 swap = "I" ;
696 else
697 swap = "II" ;
698 #else
699 #if NUMPHYS == 24
700 swap = "IIIIIIIIIIIIIIIIIIIIIIII" ;
701 #else
702 ????
703 #endif
704 #endif
705 #endif
706 break ;
707 case SMT_P3212 :
708 {
709 sp_len = cem_build_path(smc,to,path) ;
710 goto sp_done ;
711 }
712 case SMT_P1048 : /* peer wrap condition */
713 {
714 struct smt_p_1048 *sp ;
715 sp = (struct smt_p_1048 *) to ;
716 sp->p1048_flag = smc->mib.fddiSMTPeerWrapFlag ;
717 sp->p1048_cf_state = smc->mib.fddiSMTCF_State ;
718 sp_len = sizeof(struct smt_p_1048) ;
719 goto sp_done ;
720 }
721 case SMT_P208C :
722 {
723 struct smt_p_208c *sp ;
724 sp = (struct smt_p_208c *) to ;
725 sp->p208c_flag =
726 smc->mib.m[MAC0].fddiMACDuplicateAddressCond ;
727 sp->p208c_dupcondition =
728 (mib_m->fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0) |
729 (mib_m->fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0);
730 sp->p208c_fddilong =
731 mib_m->fddiMACSMTAddress ;
732 sp->p208c_fddiunalong =
733 mib_m->fddiMACUpstreamNbr ;
734 sp->p208c_pad = 0 ;
735 sp_len = sizeof(struct smt_p_208c) ;
736 goto sp_done ;
737 }
738 case SMT_P208D : /* frame error condition */
739 {
740 struct smt_p_208d *sp ;
741 sp = (struct smt_p_208d *) to ;
742 sp->p208d_flag =
743 mib_m->fddiMACFrameErrorFlag ;
744 sp->p208d_frame_ct =
745 mib_m->fddiMACFrame_Ct ;
746 sp->p208d_error_ct =
747 mib_m->fddiMACError_Ct ;
748 sp->p208d_lost_ct =
749 mib_m->fddiMACLost_Ct ;
750 sp->p208d_ratio =
751 mib_m->fddiMACFrameErrorRatio ;
752 sp_len = sizeof(struct smt_p_208d) ;
753 goto sp_done ;
754 }
755 case SMT_P208E : /* not copied condition */
756 {
757 struct smt_p_208e *sp ;
758 sp = (struct smt_p_208e *) to ;
759 sp->p208e_flag =
760 mib_m->fddiMACNotCopiedFlag ;
761 sp->p208e_not_copied =
762 mib_m->fddiMACNotCopied_Ct ;
763 sp->p208e_copied =
764 mib_m->fddiMACCopied_Ct ;
765 sp->p208e_not_copied_ratio =
766 mib_m->fddiMACNotCopiedRatio ;
767 sp_len = sizeof(struct smt_p_208e) ;
768 goto sp_done ;
769 }
770 case SMT_P208F : /* neighbor change event */
771 {
772 struct smt_p_208f *sp ;
773 sp = (struct smt_p_208f *) to ;
774 sp->p208f_multiple =
775 mib_m->fddiMACMultiple_N ;
776 sp->p208f_nacondition =
777 mib_m->fddiMACDuplicateAddressCond ;
778 sp->p208f_old_una =
779 mib_m->fddiMACOldUpstreamNbr ;
780 sp->p208f_new_una =
781 mib_m->fddiMACUpstreamNbr ;
782 sp->p208f_old_dna =
783 mib_m->fddiMACOldDownstreamNbr ;
784 sp->p208f_new_dna =
785 mib_m->fddiMACDownstreamNbr ;
786 sp->p208f_curren_path =
787 mib_m->fddiMACCurrentPath ;
788 sp->p208f_smt_address =
789 mib_m->fddiMACSMTAddress ;
790 sp_len = sizeof(struct smt_p_208f) ;
791 goto sp_done ;
792 }
793 case SMT_P2090 :
794 {
795 struct smt_p_2090 *sp ;
796 sp = (struct smt_p_2090 *) to ;
797 sp->p2090_multiple =
798 mib_m->fddiMACMultiple_P ;
799 sp->p2090_availablepaths =
800 mib_m->fddiMACAvailablePaths ;
801 sp->p2090_currentpath =
802 mib_m->fddiMACCurrentPath ;
803 sp->p2090_requestedpaths =
804 mib_m->fddiMACRequestedPaths ;
805 sp_len = sizeof(struct smt_p_2090) ;
806 goto sp_done ;
807 }
808 case SMT_P4050 :
809 {
810 struct smt_p_4050 *sp ;
811 sp = (struct smt_p_4050 *) to ;
812 sp->p4050_flag =
813 mib_p->fddiPORTLerFlag ;
814 sp->p4050_pad = 0 ;
815 sp->p4050_cutoff =
816 mib_p->fddiPORTLer_Cutoff ; ;
817 sp->p4050_alarm =
818 mib_p->fddiPORTLer_Alarm ; ;
819 sp->p4050_estimate =
820 mib_p->fddiPORTLer_Estimate ;
821 sp->p4050_reject_ct =
822 mib_p->fddiPORTLem_Reject_Ct ;
823 sp->p4050_ct =
824 mib_p->fddiPORTLem_Ct ;
825 sp_len = sizeof(struct smt_p_4050) ;
826 goto sp_done ;
827 }
828
829 case SMT_P4051 :
830 {
831 struct smt_p_4051 *sp ;
832 sp = (struct smt_p_4051 *) to ;
833 sp->p4051_multiple =
834 mib_p->fddiPORTMultiple_U ;
835 sp->p4051_porttype =
836 mib_p->fddiPORTMy_Type ;
837 sp->p4051_connectstate =
838 mib_p->fddiPORTConnectState ; ;
839 sp->p4051_pc_neighbor =
840 mib_p->fddiPORTNeighborType ;
841 sp->p4051_pc_withhold =
842 mib_p->fddiPORTPC_Withhold ;
843 sp_len = sizeof(struct smt_p_4051) ;
844 goto sp_done ;
845 }
846 case SMT_P4052 :
847 {
848 struct smt_p_4052 *sp ;
849 sp = (struct smt_p_4052 *) to ;
850 sp->p4052_flag =
851 mib_p->fddiPORTEB_Condition ;
852 sp->p4052_eberrorcount =
853 mib_p->fddiPORTEBError_Ct ;
854 sp_len = sizeof(struct smt_p_4052) ;
855 goto sp_done ;
856 }
857 case SMT_P4053 :
858 {
859 struct smt_p_4053 *sp ;
860 sp = (struct smt_p_4053 *) to ;
861 sp->p4053_multiple =
862 mib_p->fddiPORTMultiple_P ; ;
863 sp->p4053_availablepaths =
864 mib_p->fddiPORTAvailablePaths ;
865 sp->p4053_currentpath =
866 mib_p->fddiPORTCurrentPath ;
867 memcpy( (char *) &sp->p4053_requestedpaths,
868 (char *) mib_p->fddiPORTRequestedPaths,4) ;
869 sp->p4053_mytype =
870 mib_p->fddiPORTMy_Type ;
871 sp->p4053_neighbortype =
872 mib_p->fddiPORTNeighborType ;
873 sp_len = sizeof(struct smt_p_4053) ;
874 goto sp_done ;
875 }
876 default :
877 break ;
878 }
879 /*
880 * in table ?
881 */
882 if (!pt) {
883 pcon->pc_err = (para & 0xff00) ? SMT_RDF_NOPARAM :
884 SMT_RDF_ILLEGAL ;
885 return ;
886 }
887 /*
888 * check access rights
889 */
890 switch (pt->p_access) {
891 case AC_G :
892 case AC_GR :
893 break ;
894 default :
895 pcon->pc_err = SMT_RDF_ILLEGAL ;
896 return ;
897 }
898 from = mib_addr + pt->p_offset ;
899 if (!swap)
900 swap = pt->p_swap ; /* pointer to swap string */
901
902 /*
903 * copy values
904 */
905 while ((c = *swap++)) {
906 switch(c) {
907 case 'b' :
908 case 'w' :
909 case 'l' :
910 break ;
911 case 'S' :
912 case 'E' :
913 case 'R' :
914 case 'r' :
915 if (len < 4)
916 goto len_error ;
917 to[0] = 0 ;
918 to[1] = 0 ;
919 #ifdef LITTLE_ENDIAN
920 if (c == 'r') {
921 to[2] = *from++ ;
922 to[3] = *from++ ;
923 }
924 else {
925 to[3] = *from++ ;
926 to[2] = *from++ ;
927 }
928 #else
929 to[2] = *from++ ;
930 to[3] = *from++ ;
931 #endif
932 to += 4 ;
933 len -= 4 ;
934 break ;
935 case 'I' : /* for SET of port indexes */
936 if (len < 2)
937 goto len_error ;
938 #ifdef LITTLE_ENDIAN
939 to[1] = *from++ ;
940 to[0] = *from++ ;
941 #else
942 to[0] = *from++ ;
943 to[1] = *from++ ;
944 #endif
945 to += 2 ;
946 len -= 2 ;
947 break ;
948 case 'F' :
949 case 'B' :
950 if (len < 4)
951 goto len_error ;
952 len -= 4 ;
953 to[0] = 0 ;
954 to[1] = 0 ;
955 to[2] = 0 ;
956 to[3] = *from++ ;
957 to += 4 ;
958 break ;
959 case 'C' :
960 case 'T' :
961 case 'L' :
962 if (len < 4)
963 goto len_error ;
964 #ifdef LITTLE_ENDIAN
965 to[3] = *from++ ;
966 to[2] = *from++ ;
967 to[1] = *from++ ;
968 to[0] = *from++ ;
969 #else
970 to[0] = *from++ ;
971 to[1] = *from++ ;
972 to[2] = *from++ ;
973 to[3] = *from++ ;
974 #endif
975 len -= 4 ;
976 to += 4 ;
977 break ;
978 case '2' : /* PortMacIndicated */
979 if (len < 4)
980 goto len_error ;
981 to[0] = 0 ;
982 to[1] = 0 ;
983 to[2] = *from++ ;
984 to[3] = *from++ ;
985 len -= 4 ;
986 to += 4 ;
987 break ;
988 case '4' :
989 if (len < 4)
990 goto len_error ;
991 to[0] = *from++ ;
992 to[1] = *from++ ;
993 to[2] = *from++ ;
994 to[3] = *from++ ;
995 len -= 4 ;
996 to += 4 ;
997 break ;
998 case 'A' :
999 if (len < 8)
1000 goto len_error ;
1001 to[0] = 0 ;
1002 to[1] = 0 ;
1003 memcpy((char *) to+2,(char *) from,6) ;
1004 to += 8 ;
1005 from += 8 ;
1006 len -= 8 ;
1007 break ;
1008 case '8' :
1009 if (len < 8)
1010 goto len_error ;
1011 memcpy((char *) to,(char *) from,8) ;
1012 to += 8 ;
1013 from += 8 ;
1014 len -= 8 ;
1015 break ;
1016 case 'D' :
1017 if (len < 32)
1018 goto len_error ;
1019 memcpy((char *) to,(char *) from,32) ;
1020 to += 32 ;
1021 from += 32 ;
1022 len -= 32 ;
1023 break ;
1024 case 'P' : /* timestamp is NOT swapped */
1025 if (len < 8)
1026 goto len_error ;
1027 to[0] = *from++ ;
1028 to[1] = *from++ ;
1029 to[2] = *from++ ;
1030 to[3] = *from++ ;
1031 to[4] = *from++ ;
1032 to[5] = *from++ ;
1033 to[6] = *from++ ;
1034 to[7] = *from++ ;
1035 to += 8 ;
1036 len -= 8 ;
1037 break ;
1038 default :
1039 SMT_PANIC(smc,SMT_E0119, SMT_E0119_MSG) ;
1040 break ;
1041 }
1042 }
1043
1044 done:
1045 /*
1046 * make it even (in case of 'I' encoding)
1047 * note: len is DECREMENTED
1048 */
1049 if (len & 3) {
1050 to[0] = 0 ;
1051 to[1] = 0 ;
1052 to += 4 - (len & 3 ) ;
1053 len = len & ~ 3 ;
1054 }
1055
1056 /* set type and length */
1057 pa->p_type = para ;
1058 pa->p_len = plen - len - PARA_LEN ;
1059 /* return values */
1060 pcon->pc_p = (void *) to ;
1061 pcon->pc_len = len ;
1062 return ;
1063
1064 sp_done:
1065 len -= sp_len ;
1066 to += sp_len ;
1067 goto done ;
1068
1069 len_error:
1070 /* parameter does not fit in frame */
1071 pcon->pc_err = SMT_RDF_TOOLONG ;
1072 return ;
1073
1074 wrong_error:
1075 pcon->pc_err = SMT_RDF_LENGTH ;
1076 }
1077
1078 /*
1079 * set parameter
1080 */
1081 int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, int local,
1082 int set)
1083 {
1084 #define IFSET(x) if (set) (x)
1085
1086 const struct s_p_tab *pt ;
1087 int len ;
1088 char *from ;
1089 char *to ;
1090 const char *swap ;
1091 char c ;
1092 char *mib_addr ;
1093 struct fddi_mib *mib ;
1094 struct fddi_mib_m *mib_m = NULL;
1095 struct fddi_mib_a *mib_a = NULL;
1096 struct fddi_mib_p *mib_p = NULL;
1097 int mac ;
1098 int path ;
1099 int port ;
1100 SK_LOC_DECL(u_char,byte_val) ;
1101 SK_LOC_DECL(u_short,word_val) ;
1102 SK_LOC_DECL(u_long,long_val) ;
1103
1104 mac = index - INDEX_MAC ;
1105 path = index - INDEX_PATH ;
1106 port = index - INDEX_PORT ;
1107 len = pa->p_len ;
1108 from = (char *) (pa + 1 ) ;
1109
1110 mib = &smc->mib ;
1111 switch (pa->p_type & 0xf000) {
1112 case 0x1000 :
1113 default :
1114 mib_addr = (char *) mib ;
1115 break ;
1116 case 0x2000 :
1117 if (mac < 0 || mac >= NUMMACS) {
1118 return(SMT_RDF_NOPARAM) ;
1119 }
1120 mib_m = &smc->mib.m[mac] ;
1121 mib_addr = (char *) mib_m ;
1122 from += 4 ; /* skip index */
1123 len -= 4 ;
1124 break ;
1125 case 0x3000 :
1126 if (path < 0 || path >= NUMPATHS) {
1127 return(SMT_RDF_NOPARAM) ;
1128 }
1129 mib_a = &smc->mib.a[path] ;
1130 mib_addr = (char *) mib_a ;
1131 from += 4 ; /* skip index */
1132 len -= 4 ;
1133 break ;
1134 case 0x4000 :
1135 if (port < 0 || port >= smt_mib_phys(smc)) {
1136 return(SMT_RDF_NOPARAM) ;
1137 }
1138 mib_p = &smc->mib.p[port_to_mib(smc,port)] ;
1139 mib_addr = (char *) mib_p ;
1140 from += 4 ; /* skip index */
1141 len -= 4 ;
1142 break ;
1143 }
1144 switch (pa->p_type) {
1145 case SMT_P10F0 :
1146 case SMT_P10F1 :
1147 #ifdef ESS
1148 case SMT_P10F2 :
1149 case SMT_P10F3 :
1150 case SMT_P10F4 :
1151 case SMT_P10F5 :
1152 case SMT_P10F6 :
1153 case SMT_P10F7 :
1154 #endif
1155 #ifdef SBA
1156 case SMT_P10F8 :
1157 case SMT_P10F9 :
1158 #endif
1159 case SMT_P20F1 :
1160 if (!local) {
1161 return(SMT_RDF_NOPARAM) ;
1162 }
1163 break ;
1164 }
1165 pt = smt_get_ptab(pa->p_type) ;
1166 if (!pt) {
1167 return( (pa->p_type & 0xff00) ? SMT_RDF_NOPARAM :
1168 SMT_RDF_ILLEGAL ) ;
1169 }
1170 switch (pt->p_access) {
1171 case AC_GR :
1172 case AC_S :
1173 break ;
1174 default :
1175 return(SMT_RDF_ILLEGAL) ;
1176 }
1177 to = mib_addr + pt->p_offset ;
1178 swap = pt->p_swap ; /* pointer to swap string */
1179
1180 while (swap && (c = *swap++)) {
1181 switch(c) {
1182 case 'b' :
1183 to = (char *) &byte_val ;
1184 break ;
1185 case 'w' :
1186 to = (char *) &word_val ;
1187 break ;
1188 case 'l' :
1189 to = (char *) &long_val ;
1190 break ;
1191 case 'S' :
1192 case 'E' :
1193 case 'R' :
1194 case 'r' :
1195 if (len < 4) {
1196 goto len_error ;
1197 }
1198 if (from[0] | from[1])
1199 goto val_error ;
1200 #ifdef LITTLE_ENDIAN
1201 if (c == 'r') {
1202 to[0] = from[2] ;
1203 to[1] = from[3] ;
1204 }
1205 else {
1206 to[1] = from[2] ;
1207 to[0] = from[3] ;
1208 }
1209 #else
1210 to[0] = from[2] ;
1211 to[1] = from[3] ;
1212 #endif
1213 from += 4 ;
1214 to += 2 ;
1215 len -= 4 ;
1216 break ;
1217 case 'F' :
1218 case 'B' :
1219 if (len < 4) {
1220 goto len_error ;
1221 }
1222 if (from[0] | from[1] | from[2])
1223 goto val_error ;
1224 to[0] = from[3] ;
1225 len -= 4 ;
1226 from += 4 ;
1227 to += 4 ;
1228 break ;
1229 case 'C' :
1230 case 'T' :
1231 case 'L' :
1232 if (len < 4) {
1233 goto len_error ;
1234 }
1235 #ifdef LITTLE_ENDIAN
1236 to[3] = *from++ ;
1237 to[2] = *from++ ;
1238 to[1] = *from++ ;
1239 to[0] = *from++ ;
1240 #else
1241 to[0] = *from++ ;
1242 to[1] = *from++ ;
1243 to[2] = *from++ ;
1244 to[3] = *from++ ;
1245 #endif
1246 len -= 4 ;
1247 to += 4 ;
1248 break ;
1249 case 'A' :
1250 if (len < 8)
1251 goto len_error ;
1252 if (set)
1253 memcpy((char *) to,(char *) from+2,6) ;
1254 to += 8 ;
1255 from += 8 ;
1256 len -= 8 ;
1257 break ;
1258 case '4' :
1259 if (len < 4)
1260 goto len_error ;
1261 if (set)
1262 memcpy((char *) to,(char *) from,4) ;
1263 to += 4 ;
1264 from += 4 ;
1265 len -= 4 ;
1266 break ;
1267 case '8' :
1268 if (len < 8)
1269 goto len_error ;
1270 if (set)
1271 memcpy((char *) to,(char *) from,8) ;
1272 to += 8 ;
1273 from += 8 ;
1274 len -= 8 ;
1275 break ;
1276 case 'D' :
1277 if (len < 32)
1278 goto len_error ;
1279 if (set)
1280 memcpy((char *) to,(char *) from,32) ;
1281 to += 32 ;
1282 from += 32 ;
1283 len -= 32 ;
1284 break ;
1285 case 'P' : /* timestamp is NOT swapped */
1286 if (set) {
1287 to[0] = *from++ ;
1288 to[1] = *from++ ;
1289 to[2] = *from++ ;
1290 to[3] = *from++ ;
1291 to[4] = *from++ ;
1292 to[5] = *from++ ;
1293 to[6] = *from++ ;
1294 to[7] = *from++ ;
1295 }
1296 to += 8 ;
1297 len -= 8 ;
1298 break ;
1299 default :
1300 SMT_PANIC(smc,SMT_E0120, SMT_E0120_MSG) ;
1301 return(SMT_RDF_ILLEGAL) ;
1302 }
1303 }
1304 /*
1305 * actions and internal updates
1306 */
1307 switch (pa->p_type) {
1308 case SMT_P101A: /* fddiSMTConfigPolicy */
1309 if (word_val & ~1)
1310 goto val_error ;
1311 IFSET(mib->fddiSMTConfigPolicy = word_val) ;
1312 break ;
1313 case SMT_P101B : /* fddiSMTConnectionPolicy */
1314 if (!(word_val & POLICY_MM))
1315 goto val_error ;
1316 IFSET(mib->fddiSMTConnectionPolicy = word_val) ;
1317 break ;
1318 case SMT_P101D : /* fddiSMTTT_Notify */
1319 if (word_val < 2 || word_val > 30)
1320 goto val_error ;
1321 IFSET(mib->fddiSMTTT_Notify = word_val) ;
1322 break ;
1323 case SMT_P101E : /* fddiSMTStatRptPolicy */
1324 if (byte_val & ~1)
1325 goto val_error ;
1326 IFSET(mib->fddiSMTStatRptPolicy = byte_val) ;
1327 break ;
1328 case SMT_P101F : /* fddiSMTTrace_MaxExpiration */
1329 /*
1330 * note: lower limit trace_max = 6.001773... s
1331 * NO upper limit
1332 */
1333 if (long_val < (long)0x478bf51L)
1334 goto val_error ;
1335 IFSET(mib->fddiSMTTrace_MaxExpiration = long_val) ;
1336 break ;
1337 #ifdef ESS
1338 case SMT_P10F2 : /* fddiESSPayload */
1339 if (long_val > 1562)
1340 goto val_error ;
1341 if (set && smc->mib.fddiESSPayload != long_val) {
1342 smc->ess.raf_act_timer_poll = TRUE ;
1343 smc->mib.fddiESSPayload = long_val ;
1344 }
1345 break ;
1346 case SMT_P10F3 : /* fddiESSOverhead */
1347 if (long_val < 50 || long_val > 5000)
1348 goto val_error ;
1349 if (set && smc->mib.fddiESSPayload &&
1350 smc->mib.fddiESSOverhead != long_val) {
1351 smc->ess.raf_act_timer_poll = TRUE ;
1352 smc->mib.fddiESSOverhead = long_val ;
1353 }
1354 break ;
1355 case SMT_P10F4 : /* fddiESSMaxTNeg */
1356 if (long_val > -MS2BCLK(5) || long_val < -MS2BCLK(165))
1357 goto val_error ;
1358 IFSET(mib->fddiESSMaxTNeg = long_val) ;
1359 break ;
1360 case SMT_P10F5 : /* fddiESSMinSegmentSize */
1361 if (long_val < 1 || long_val > 4478)
1362 goto val_error ;
1363 IFSET(mib->fddiESSMinSegmentSize = long_val) ;
1364 break ;
1365 case SMT_P10F6 : /* fddiESSCategory */
1366 if ((long_val & 0xffff) != 1)
1367 goto val_error ;
1368 IFSET(mib->fddiESSCategory = long_val) ;
1369 break ;
1370 case SMT_P10F7 : /* fddiESSSyncTxMode */
1371 if (word_val > 1)
1372 goto val_error ;
1373 IFSET(mib->fddiESSSynchTxMode = word_val) ;
1374 break ;
1375 #endif
1376 #ifdef SBA
1377 case SMT_P10F8 : /* fddiSBACommand */
1378 if (byte_val != SB_STOP && byte_val != SB_START)
1379 goto val_error ;
1380 IFSET(mib->fddiSBACommand = byte_val) ;
1381 break ;
1382 case SMT_P10F9 : /* fddiSBAAvailable */
1383 if (byte_val > 100)
1384 goto val_error ;
1385 IFSET(mib->fddiSBAAvailable = byte_val) ;
1386 break ;
1387 #endif
1388 case SMT_P2020 : /* fddiMACRequestedPaths */
1389 if ((word_val & (MIB_P_PATH_PRIM_PREFER |
1390 MIB_P_PATH_PRIM_ALTER)) == 0 )
1391 goto val_error ;
1392 IFSET(mib_m->fddiMACRequestedPaths = word_val) ;
1393 break ;
1394 case SMT_P205F : /* fddiMACFrameErrorThreshold */
1395 /* 0 .. ffff acceptable */
1396 IFSET(mib_m->fddiMACFrameErrorThreshold = word_val) ;
1397 break ;
1398 case SMT_P2067 : /* fddiMACNotCopiedThreshold */
1399 /* 0 .. ffff acceptable */
1400 IFSET(mib_m->fddiMACNotCopiedThreshold = word_val) ;
1401 break ;
1402 case SMT_P2076: /* fddiMACMA_UnitdataEnable */
1403 if (byte_val & ~1)
1404 goto val_error ;
1405 if (set) {
1406 mib_m->fddiMACMA_UnitdataEnable = byte_val ;
1407 queue_event(smc,EVENT_RMT,RM_ENABLE_FLAG) ;
1408 }
1409 break ;
1410 case SMT_P20F1 : /* fddiMACT_Min */
1411 IFSET(mib_m->fddiMACT_Min = long_val) ;
1412 break ;
1413 case SMT_P320F :
1414 if (long_val > 1562)
1415 goto val_error ;
1416 IFSET(mib_a->fddiPATHSbaPayload = long_val) ;
1417 #ifdef ESS
1418 if (set)
1419 ess_para_change(smc) ;
1420 #endif
1421 break ;
1422 case SMT_P3210 :
1423 if (long_val > 5000)
1424 goto val_error ;
1425
1426 if (long_val != 0 && mib_a->fddiPATHSbaPayload == 0)
1427 goto val_error ;
1428
1429 IFSET(mib_a->fddiPATHSbaOverhead = long_val) ;
1430 #ifdef ESS
1431 if (set)
1432 ess_para_change(smc) ;
1433 #endif
1434 break ;
1435 case SMT_P3213: /* fddiPATHT_Rmode */
1436 /* no limit :
1437 * 0 .. 343.597 => 0 .. 2e32 * 80nS
1438 */
1439 if (set) {
1440 mib_a->fddiPATHT_Rmode = long_val ;
1441 rtm_set_timer(smc) ;
1442 }
1443 break ;
1444 case SMT_P3214 : /* fddiPATHSbaAvailable */
1445 if (long_val > 0x00BEBC20L)
1446 goto val_error ;
1447 #ifdef SBA
1448 if (set && mib->fddiSBACommand == SB_STOP)
1449 goto val_error ;
1450 #endif
1451 IFSET(mib_a->fddiPATHSbaAvailable = long_val) ;
1452 break ;
1453 case SMT_P3215 : /* fddiPATHTVXLowerBound */
1454 IFSET(mib_a->fddiPATHTVXLowerBound = long_val) ;
1455 goto change_mac_para ;
1456 case SMT_P3216 : /* fddiPATHT_MaxLowerBound */
1457 IFSET(mib_a->fddiPATHT_MaxLowerBound = long_val) ;
1458 goto change_mac_para ;
1459 case SMT_P3217 : /* fddiPATHMaxT_Req */
1460 IFSET(mib_a->fddiPATHMaxT_Req = long_val) ;
1461
1462 change_mac_para:
1463 if (set && smt_set_mac_opvalues(smc)) {
1464 RS_SET(smc,RS_EVENT) ;
1465 smc->sm.please_reconnect = 1 ;
1466 queue_event(smc,EVENT_ECM,EC_DISCONNECT) ;
1467 }
1468 break ;
1469 case SMT_P400E : /* fddiPORTConnectionPolicies */
1470 if (byte_val > 1)
1471 goto val_error ;
1472 IFSET(mib_p->fddiPORTConnectionPolicies = byte_val) ;
1473 break ;
1474 case SMT_P4011 : /* fddiPORTRequestedPaths */
1475 /* all 3*8 bits allowed */
1476 IFSET(memcpy((char *)mib_p->fddiPORTRequestedPaths,
1477 (char *)&long_val,4)) ;
1478 break ;
1479 case SMT_P401F: /* fddiPORTMaint_LS */
1480 if (word_val > 4)
1481 goto val_error ;
1482 IFSET(mib_p->fddiPORTMaint_LS = word_val) ;
1483 break ;
1484 case SMT_P403A : /* fddiPORTLer_Cutoff */
1485 if (byte_val < 4 || byte_val > 15)
1486 goto val_error ;
1487 IFSET(mib_p->fddiPORTLer_Cutoff = byte_val) ;
1488 break ;
1489 case SMT_P403B : /* fddiPORTLer_Alarm */
1490 if (byte_val < 4 || byte_val > 15)
1491 goto val_error ;
1492 IFSET(mib_p->fddiPORTLer_Alarm = byte_val) ;
1493 break ;
1494
1495 /*
1496 * Actions
1497 */
1498 case SMT_P103C : /* fddiSMTStationAction */
1499 if (smt_action(smc,SMT_STATION_ACTION, (int) word_val, 0))
1500 goto val_error ;
1501 break ;
1502 case SMT_P4046: /* fddiPORTAction */
1503 if (smt_action(smc,SMT_PORT_ACTION, (int) word_val,
1504 port_to_mib(smc,port)))
1505 goto val_error ;
1506 break ;
1507 default :
1508 break ;
1509 }
1510 return(0) ;
1511
1512 val_error:
1513 /* parameter value in frame is out of range */
1514 return(SMT_RDF_RANGE) ;
1515
1516 len_error:
1517 /* parameter value in frame is too short */
1518 return(SMT_RDF_LENGTH) ;
1519
1520 #if 0
1521 no_author_error:
1522 /* parameter not setable, because the SBA is not active
1523 * Please note: we give the return code 'not authorizeed
1524 * because SBA denied is not a valid return code in the
1525 * PMF protocol.
1526 */
1527 return(SMT_RDF_AUTHOR) ;
1528 #endif
1529 }
1530
1531 static const struct s_p_tab *smt_get_ptab(u_short para)
1532 {
1533 const struct s_p_tab *pt ;
1534 for (pt = p_tab ; pt->p_num && pt->p_num != para ; pt++)
1535 ;
1536 return(pt->p_num ? pt : NULL) ;
1537 }
1538
1539 static int smt_mib_phys(struct s_smc *smc)
1540 {
1541 #ifdef CONCENTRATOR
1542 SK_UNUSED(smc) ;
1543
1544 return(NUMPHYS) ;
1545 #else
1546 if (smc->s.sas == SMT_SAS)
1547 return(1) ;
1548 return(NUMPHYS) ;
1549 #endif
1550 }
1551
1552 int port_to_mib(struct s_smc *smc, int p)
1553 {
1554 #ifdef CONCENTRATOR
1555 SK_UNUSED(smc) ;
1556
1557 return(p) ;
1558 #else
1559 if (smc->s.sas == SMT_SAS)
1560 return(PS) ;
1561 return(p) ;
1562 #endif
1563 }
1564
1565
1566 #ifdef DEBUG
1567 #ifndef BOOT
1568 void dump_smt(struct s_smc *smc, struct smt_header *sm, char *text)
1569 {
1570 int len ;
1571 struct smt_para *pa ;
1572 char *c ;
1573 int n ;
1574 int nn ;
1575 #ifdef LITTLE_ENDIAN
1576 int smtlen ;
1577 #endif
1578
1579 SK_UNUSED(smc) ;
1580
1581 #ifdef DEBUG_BRD
1582 if (smc->debug.d_smtf < 2)
1583 #else
1584 if (debug.d_smtf < 2)
1585 #endif
1586 return ;
1587 #ifdef LITTLE_ENDIAN
1588 smtlen = sm->smt_len + sizeof(struct smt_header) ;
1589 #endif
1590 printf("SMT Frame [%s]:\nDA ",text) ;
1591 dump_hex((char *) &sm->smt_dest,6) ;
1592 printf("\tSA ") ;
1593 dump_hex((char *) &sm->smt_source,6) ;
1594 printf(" Class %x Type %x Version %x\n",
1595 sm->smt_class,sm->smt_type,sm->smt_version) ;
1596 printf("TID %lx\t\tSID ",sm->smt_tid) ;
1597 dump_hex((char *) &sm->smt_sid,8) ;
1598 printf(" LEN %x\n",sm->smt_len) ;
1599
1600 len = sm->smt_len ;
1601 pa = (struct smt_para *) (sm + 1) ;
1602 while (len > 0 ) {
1603 int plen ;
1604 #ifdef UNIX
1605 printf("TYPE %x LEN %x VALUE\t",pa->p_type,pa->p_len) ;
1606 #else
1607 printf("TYPE %04x LEN %2x VALUE\t",pa->p_type,pa->p_len) ;
1608 #endif
1609 n = pa->p_len ;
1610 if ( (n < 0 ) || (n > (int)(len - PARA_LEN))) {
1611 n = len - PARA_LEN ;
1612 printf(" BAD LENGTH\n") ;
1613 break ;
1614 }
1615 #ifdef LITTLE_ENDIAN
1616 smt_swap_para(sm,smtlen,0) ;
1617 #endif
1618 if (n < 24) {
1619 dump_hex((char *)(pa+1),(int) n) ;
1620 printf("\n") ;
1621 }
1622 else {
1623 int first = 0 ;
1624 c = (char *)(pa+1) ;
1625 dump_hex(c,16) ;
1626 printf("\n") ;
1627 n -= 16 ;
1628 c += 16 ;
1629 while (n > 0) {
1630 nn = (n > 16) ? 16 : n ;
1631 if (n > 64) {
1632 if (first == 0)
1633 printf("\t\t\t...\n") ;
1634 first = 1 ;
1635 }
1636 else {
1637 printf("\t\t\t") ;
1638 dump_hex(c,nn) ;
1639 printf("\n") ;
1640 }
1641 n -= nn ;
1642 c += 16 ;
1643 }
1644 }
1645 #ifdef LITTLE_ENDIAN
1646 smt_swap_para(sm,smtlen,1) ;
1647 #endif
1648 plen = (pa->p_len + PARA_LEN + 3) & ~3 ;
1649 len -= plen ;
1650 pa = (struct smt_para *)((char *)pa + plen) ;
1651 }
1652 printf("-------------------------------------------------\n\n") ;
1653 }
1654
1655 void dump_hex(char *p, int len)
1656 {
1657 int n = 0 ;
1658 while (len--) {
1659 n++ ;
1660 #ifdef UNIX
1661 printf("%x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ;
1662 #else
1663 printf("%02x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ;
1664 #endif
1665 }
1666 }
1667 #endif /* no BOOT */
1668 #endif /* DEBUG */
1669
1670
1671 #endif /* no SLIM_SMT */
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