1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
|
/*
* Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_q931.c - Q931 received messages handling
* --------------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Sat Mar 9 19:36:45 2002]
*
*---------------------------------------------------------------------------*/
#include "i4bq931.h"
#if NI4BQ931 > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#include <machine/i4b_cause.h>
#include <i4b/include/i4b_isdnq931.h>
#include <i4b/include/i4b_l3l4.h>
#include <i4b/include/i4b_global.h>
#include <i4b/layer3/i4b_l3.h>
#include <i4b/layer3/i4b_l3fsm.h>
#include <i4b/layer3/i4b_q931.h>
#include <i4b/layer4/i4b_l4.h>
unsigned int i4b_l3_debug = L3_DEBUG_DEFAULT;
ctrl_desc_t ctrl_desc[MAX_CONTROLLERS]; /* controller description array */
int utoc_tab[MAX_CONTROLLERS]; /* unit to controller conversion */
/* protocol independent causes -> Q.931 causes */
unsigned char cause_tab_q931[CAUSE_I4B_MAX] = {
CAUSE_Q850_NCCLR, /* CAUSE_I4B_NORMAL -> normal call clearing */
CAUSE_Q850_USRBSY, /* CAUSE_I4B_BUSY -> user busy */
CAUSE_Q850_NOCAVAIL, /* CAUSE_I4B_NOCHAN -> no circuit/channel available*/
CAUSE_Q850_INCDEST, /* CAUSE_I4B_INCOMP -> incompatible destination */
CAUSE_Q850_CALLREJ, /* CAUSE_I4B_REJECT -> call rejected */
CAUSE_Q850_DSTOOORDR, /* CAUSE_I4B_OOO -> destination out of order */
CAUSE_Q850_TMPFAIL, /* CAUSE_I4B_TMPFAIL -> temporary failure */
CAUSE_Q850_USRBSY, /* CAUSE_I4B_L1ERROR -> L1 error / persistent deact XXX */
CAUSE_Q850_USRBSY, /* CAUSE_I4B_LLDIAL -> no dialout on leased line XXX */
};
/*---------------------------------------------------------------------------*
* setup cr ref flag according to direction
*---------------------------------------------------------------------------*/
unsigned char
setup_cr(call_desc_t *cd, unsigned char cr)
{
if(cd->crflag == CRF_ORIG)
return(cr & 0x7f); /* clear cr ref flag */
else if(cd->crflag == CRF_DEST)
return(cr | 0x80); /* set cr ref flag */
else
panic("setup_cr: invalid crflag!\n");
}
/*---------------------------------------------------------------------------*
* decode and process a Q.931 message
*---------------------------------------------------------------------------*/
void
i4b_decode_q931(int unit, int msg_len, u_char *msg_ptr)
{
call_desc_t *cd;
int codeset = CODESET_0;
int old_codeset = CODESET_0;
int shift_flag = UNSHIFTED;
int crlen = 0;
int crval = 0;
int crflag = 0;
int i;
int offset;
int s;
/* check protocol discriminator */
if(*msg_ptr != PD_Q931)
{
static int protoflag = -1; /* print only once .. */
if(*msg_ptr != protoflag)
{
NDBGL3(L3_P_ERR, "unknown protocol discriminator 0x%x!", *msg_ptr);
protoflag = *msg_ptr;
}
return;
}
msg_ptr++;
msg_len--;
s = SPLI4B(); /* this has to be protected ! */
/* extract call reference */
crlen = *msg_ptr & CRLENGTH_MASK;
msg_ptr++;
msg_len--;
if(crlen != 0)
{
crval += *msg_ptr & 0x7f;
crflag = (*msg_ptr >> 7) & 0x01;
msg_ptr++;
msg_len--;
for(i=1; i < crlen; i++)
{
crval += *msg_ptr;
msg_ptr++;
msg_len--;
}
}
else
{
crval = 0;
crflag = 0;
}
NDBGL3(L3_P_MSG, "Call Ref, len %d, val %d, flag %d", crlen, crval, crflag);
/* find or allocate calldescriptor */
if((cd = cd_by_unitcr(unit, crval,
crflag == CRF_DEST ? CRF_ORIG : CRF_DEST)) == NULL)
{
if(*msg_ptr == SETUP)
{
/* get and init new calldescriptor */
cd = reserve_cd(); /* cdid filled in */
cd->controller = utoc_tab[unit];
cd->cr = crval;
cd->crflag = CRF_DEST; /* we are the dest side */
cd->ilt = NULL; /* reset link tab ptrs */
cd->dlt = NULL;
}
else
{
/*XXX*/ if(crval != 0) /* ignore global call references */
{
NDBGL3(L3_P_ERR, "cannot find calldescriptor for cr = 0x%x, crflag = 0x%x, msg = 0x%x, frame = ", crval, crflag, *msg_ptr);
i4b_print_frame(msg_len, msg_ptr);
}
splx(s);
return;
}
}
splx(s);
/* decode and handle message type */
i4b_decode_q931_message(unit, cd, *msg_ptr);
msg_ptr++;
msg_len--;
/* process information elements */
while(msg_len > 0)
{
/* check for shift codeset IE */
if((*msg_ptr & 0x80) && ((*msg_ptr & 0xf0) == SOIE_SHIFT))
{
if(!(*msg_ptr & SHIFT_LOCK))
shift_flag = SHIFTED;
old_codeset = codeset;
codeset = *msg_ptr & CODESET_MASK;
if((shift_flag != SHIFTED) &&
(codeset <= old_codeset))
{
NDBGL3(L3_P_ERR, "Q.931 lockingshift proc violation, shift %d -> %d", old_codeset, codeset);
codeset = old_codeset;
}
msg_len--;
msg_ptr++;
}
/* process one IE for selected codeset */
switch(codeset)
{
case CODESET_0:
offset = i4b_decode_q931_cs0_ie(unit, cd, msg_len, msg_ptr);
msg_len -= offset;
msg_ptr += offset;
break;
default:
NDBGL3(L3_P_ERR, "unknown codeset %d, ", codeset);
i4b_print_frame(msg_len, msg_ptr);
msg_len = 0;
break;
}
/* check for non-locking shifts */
if(shift_flag == SHIFTED)
{
shift_flag = UNSHIFTED;
codeset = old_codeset;
}
}
next_l3state(cd, cd->event);
}
/*---------------------------------------------------------------------------*
* decode and process one Q.931 codeset 0 information element
*---------------------------------------------------------------------------*/
int
i4b_decode_q931_cs0_ie(int unit, call_desc_t *cd, int msg_len, u_char *msg_ptr)
{
int i, j;
char *p;
switch(*msg_ptr)
{
/*********/
/* Q.931 */
/*********/
/* single byte IE's */
case IEI_SENDCOMPL:
NDBGL3(L3_P_MSG, "IEI_SENDCOMPL");
return(1);
break;
/* multi byte IE's */
case IEI_SEGMMSG: /* segmented message */
NDBGL3(L3_P_MSG, "IEI_SEGMENTED_MESSAGE");
break;
case IEI_BEARERCAP: /* bearer capability */
switch(msg_ptr[2])
{
case 0x80: /* speech */
case 0x89: /* restricted digital info */
case 0x90: /* 3.1KHz audio */
/* XXX */ cd->bprot = BPROT_NONE;
NDBGL3(L3_P_MSG, "IEI_BEARERCAP - Telephony");
break;
case 0x88: /* unrestricted digital info */
/* XXX */ cd->bprot = BPROT_RHDLC;
NDBGL3(L3_P_MSG, "IEI_BEARERCAP - Raw HDLC");
break;
default:
/* XXX */ cd->bprot = BPROT_NONE;
NDBGL3(L3_P_ERR, "IEI_BEARERCAP - Unsupported B-Protocol 0x%x", msg_ptr[2]);
break;
}
break;
case IEI_CAUSE: /* cause */
if(msg_ptr[2] & 0x80)
{
cd->cause_in = msg_ptr[3] & 0x7f;
NDBGL3(L3_P_MSG, "IEI_CAUSE = %d", msg_ptr[3] & 0x7f);
}
else
{
cd->cause_in = msg_ptr[4] & 0x7f;
NDBGL3(L3_P_MSG, "IEI_CAUSE = %d", msg_ptr[4] & 0x7f);
}
break;
case IEI_CALLID: /* call identity */
NDBGL3(L3_P_MSG, "IEI_CALL_IDENTITY");
break;
case IEI_CALLSTATE: /* call state */
cd->call_state = msg_ptr[2] & 0x3f;
NDBGL3(L3_P_MSG, "IEI_CALLSTATE = %d", cd->call_state);
break;
case IEI_CHANNELID: /* channel id */
if((msg_ptr[2] & 0xf4) != 0x80)
{
cd->channelid = CHAN_NO;
NDBGL3(L3_P_ERR, "IEI_CHANNELID, unsupported value 0x%x", msg_ptr[2]);
}
else
{
switch(msg_ptr[2] & 0x03)
{
case IE_CHAN_ID_NO:
cd->channelid = CHAN_NO;
break;
case IE_CHAN_ID_B1:
cd->channelid = CHAN_B1;
break;
case IE_CHAN_ID_B2:
cd->channelid = CHAN_B2;
break;
case IE_CHAN_ID_ANY:
cd->channelid = CHAN_ANY;
break;
}
cd->channelexcl = (msg_ptr[2] & 0x08) >> 3;
NDBGL3(L3_P_MSG, "IEI_CHANNELID - channel %d, exclusive = %d", cd->channelid, cd->channelexcl);
/* if this is a setup message, reserve channel */
if(cd->event == EV_SETUP)
{
if((cd->channelid == CHAN_B1) || (cd->channelid == CHAN_B2))
{
if(ctrl_desc[cd->controller].bch_state[cd->channelid] == BCH_ST_FREE)
ctrl_desc[cd->controller].bch_state[cd->channelid] = BCH_ST_RSVD;
else
NDBGL3(L3_P_ERR, "IE ChannelID, Channel NOT free!!");
}
else if(cd->channelid == CHAN_NO)
{
NDBGL3(L3_P_MSG, "IE ChannelID, SETUP with channel = No channel (CW)");
}
else /* cd->channelid == CHAN_ANY */
{
NDBGL3(L3_P_ERR, "ERROR: IE ChannelID, SETUP with channel = Any channel!");
}
}
}
break;
case IEI_PROGRESSI: /* progress indicator */
NDBGL3(L3_P_MSG, "IEI_PROGRESSINDICATOR");
break;
case IEI_NETSPCFAC: /* network specific fac */
NDBGL3(L3_P_MSG, "IEI_NETSPCFAC");
break;
case IEI_NOTIFIND: /* notification indicator */
NDBGL3(L3_P_MSG, "IEI_NOTIFICATION_INDICATOR");
break;
case IEI_DISPLAY: /* display */
memcpy(cd->display, &msg_ptr[2], min(DISPLAY_MAX, msg_ptr[1]));
cd->display[min(DISPLAY_MAX, msg_ptr[1])] = '\0';
NDBGL3(L3_P_MSG, "IEI_DISPLAY = %s", cd->display);
break;
case IEI_DATETIME: /* date/time */
i = 2;
j = msg_ptr[1];
p = &(cd->datetime[0]);
*p = '\0';
for(j = msg_ptr[1]; j > 0; j--, i++)
sprintf(p+strlen(p), "%02d", msg_ptr[i]);
NDBGL3(L3_P_MSG, "IEI_DATETIME = %s", cd->datetime);
break;
case IEI_KEYPAD: /* keypad facility */
NDBGL3(L3_P_MSG, "IEI_KEYPAD_FACILITY");
break;
case IEI_SIGNAL: /* signal type */
NDBGL3(L3_P_MSG, "IEI_SIGNAL = %d", msg_ptr[2]);
break;
case IEI_INFRATE: /* information rate */
NDBGL3(L3_P_MSG, "IEI_INFORMATION_RATE");
break;
case IEI_ETETDEL: /* end to end transit delay */
NDBGL3(L3_P_MSG, "IEI_END_TO_END_TRANSIT_DELAY");
break;
case IEI_CUG: /* closed user group */
NDBGL3(L3_P_MSG, "IEI_CLOSED_USER_GROUP");
break;
case IEI_CALLINGPN: /* calling party no */
if(msg_ptr[2] & 0x80) /* no presentation/screening indicator ? */
{
memcpy(cd->src_telno, &msg_ptr[3], min(TELNO_MAX, msg_ptr[1]-1));
cd->src_telno[min(TELNO_MAX, msg_ptr[1] - 1)] = '\0';
cd->scr_ind = SCR_NONE;
cd->prs_ind = PRS_NONE;
}
else
{
memcpy(cd->src_telno, &msg_ptr[4], min(TELNO_MAX, msg_ptr[1]-2));
cd->src_telno[min(TELNO_MAX, msg_ptr[1] - 2)] = '\0';
cd->scr_ind = (msg_ptr[3] & 0x03) + SCR_USR_NOSC;
cd->prs_ind = ((msg_ptr[3] >> 5) & 0x03) + PRS_ALLOWED;
}
NDBGL3(L3_P_MSG, "IEI_CALLINGPN = %s", cd->src_telno);
break;
case IEI_CALLINGPS: /* calling party subaddress */
memcpy(cd->src_subaddr, &msg_ptr[3], min(SUBADDR_MAX, msg_ptr[1]-1));
cd->src_subaddr[min(SUBADDR_MAX, msg_ptr[1] - 1)] = '\0';
NDBGL3(L3_P_MSG, "IEI_CALLINGPS = %s", cd->src_subaddr);
break;
case IEI_CALLEDPN: /* called party number */
memcpy(cd->dst_telno, &msg_ptr[3], min(TELNO_MAX, msg_ptr[1]-1));
cd->dst_telno[min(TELNO_MAX, msg_ptr[1] - 1)] = '\0';
NDBGL3(L3_P_MSG, "IEI_CALLED = %s", cd->dst_telno);
break;
case IEI_CALLEDPS: /* called party subaddress */
memcpy(cd->dst_subaddr, &msg_ptr[3], min(SUBADDR_MAX, msg_ptr[1]-1));
cd->dst_subaddr[min(SUBADDR_MAX, msg_ptr[1] - 1)] = '\0';
NDBGL3(L3_P_MSG, "IEI_CALLEDPS = %s", cd->dst_subaddr);
break;
case IEI_REDIRNO: /* redirecting number */
NDBGL3(L3_P_MSG, "IEI_REDIRECTING_NUMBER");
break;
case IEI_TRNSEL: /* transit network selection */
NDBGL3(L3_P_MSG, "IEI_TRANSIT_NETWORK_SELECTION");
break;
case IEI_RESTARTI: /* restart indicator */
NDBGL3(L3_P_MSG, "IEI_RESTART_INDICATOR");
break;
case IEI_LLCOMPAT: /* low layer compat */
NDBGL3(L3_P_MSG, "IEI_LLCOMPAT");
break;
case IEI_HLCOMPAT: /* high layer compat */
NDBGL3(L3_P_MSG, "IEI_HLCOMPAT");
break;
case IEI_USERUSER: /* user-user */
NDBGL3(L3_P_MSG, "IEI_USER_USER");
break;
case IEI_ESCAPE: /* escape for extension */
NDBGL3(L3_P_MSG, "IEI_ESCAPE");
break;
/*********/
/* Q.932 */
/*********/
case IEI_FACILITY: /* facility */
NDBGL3(L3_P_MSG, "IEI_FACILITY");
if(i4b_aoc(msg_ptr, cd) > -1)
i4b_l4_charging_ind(cd);
break;
/*********/
/* Q.95x */
/*********/
case IEI_CONCTDNO: /* connected number */
NDBGL3(L3_P_MSG, "IEI_CONCTDNO");
break;
default:
NDBGL3(L3_P_ERR, "Unknown IE %d - ", *msg_ptr);
i4b_print_frame(msg_ptr[1]+2, msg_ptr);
break;
}
return(msg_ptr[1] + 2);
}
/*---------------------------------------------------------------------------*
* decode and process one Q.931 codeset 0 information element
*---------------------------------------------------------------------------*/
void
i4b_decode_q931_message(int unit, call_desc_t *cd, u_char message_type)
{
char *m = NULL;
cd->event = EV_ILL;
switch(message_type)
{
/* call establishment */
case ALERT:
cd->event = EV_ALERT;
m = "ALERT";
break;
case CALL_PROCEEDING:
cd->event = EV_CALLPRC;
m = "CALL_PROCEEDING";
break;
case PROGRESS:
cd->event = EV_PROGIND;
m = "PROGRESS";
break;
case SETUP:
m = "SETUP";
cd->bprot = BPROT_NONE;
cd->cause_in = 0;
cd->cause_out = 0;
cd->dst_telno[0] = '\0';
cd->src_telno[0] = '\0';
cd->channelid = CHAN_NO;
cd->channelexcl = 0;
cd->display[0] = '\0';
cd->datetime[0] = '\0';
cd->event = EV_SETUP;
break;
case CONNECT:
m = "CONNECT";
cd->datetime[0] = '\0';
cd->event = EV_CONNECT;
break;
case SETUP_ACKNOWLEDGE:
m = "SETUP_ACKNOWLEDGE";
cd->event = EV_SETUPAK;
break;
case CONNECT_ACKNOWLEDGE:
m = "CONNECT_ACKNOWLEDGE";
cd->event = EV_CONACK;
break;
/* call information */
case USER_INFORMATION:
m = "USER_INFORMATION";
break;
case SUSPEND_REJECT:
m = "SUSPEND_REJECT";
break;
case RESUME_REJECT:
m = "RESUME_REJECT";
break;
case HOLD:
m = "HOLD";
break;
case SUSPEND:
m = "SUSPEND";
break;
case RESUME:
m = "RESUME";
break;
case HOLD_ACKNOWLEDGE:
m = "HOLD_ACKNOWLEDGE";
break;
case SUSPEND_ACKNOWLEDGE:
m = "SUSPEND_ACKNOWLEDGE";
break;
case RESUME_ACKNOWLEDGE:
m = "RESUME_ACKNOWLEDGE";
break;
case HOLD_REJECT:
m = "HOLD_REJECT";
break;
case RETRIEVE:
m = "RETRIEVE";
break;
case RETRIEVE_ACKNOWLEDGE:
m = "RETRIEVE_ACKNOWLEDGE";
break;
case RETRIEVE_REJECT:
m = "RETRIEVE_REJECT";
break;
/* call clearing */
case DISCONNECT:
m = "DISCONNECT";
cd->event = EV_DISCONN;
break;
case RESTART:
m = "RESTART";
break;
case RELEASE:
m = "RELEASE";
cd->event = EV_RELEASE;
break;
case RESTART_ACKNOWLEDGE:
m = "RESTART_ACKNOWLEDGE";
break;
case RELEASE_COMPLETE:
m = "RELEASE_COMPLETE";
cd->event = EV_RELCOMP;
break;
/* misc messages */
case SEGMENT:
m = "SEGMENT";
break;
case FACILITY:
m = "FACILITY";
cd->event = EV_FACILITY;
break;
case REGISTER:
m = "REGISTER";
break;
case NOTIFY:
m = "NOTIFY";
break;
case STATUS_ENQUIRY:
m = "STATUS_ENQUIRY";
cd->event = EV_STATENQ;
break;
case CONGESTION_CONTROL:
m = "CONGESTION_CONTROL";
break;
case INFORMATION:
m = "INFORMATION";
cd->event = EV_INFO;
break;
case STATUS:
m = "STATUS";
cd->event = EV_STATUS;
break;
default:
NDBGL3(L3_P_ERR, "unit %d, cr = 0x%02x, msg = 0x%02x", unit, cd->cr, message_type);
break;
}
if(m)
{
NDBGL3(L3_PRIM, "%s: unit %d, cr = 0x%02x\n", m, unit, cd->cr);
}
}
#endif /* NI4BQ931 > 0 */
|