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16#include "hisax.h"
17#include "l3_1tr6.h"
18#include "isdnl3.h"
19#include <linux/ctype.h>
20
21extern char *HiSax_getrev(const char *revision);
22static const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $";
23
24#define MsgHead(ptr, cref, mty, dis) \
25 *ptr++ = dis; \
26 *ptr++ = 0x1; \
27 *ptr++ = cref ^ 0x80; \
28 *ptr++ = mty
29
30static void
31l3_1TR6_message(struct l3_process *pc, u_char mt, u_char pd)
32{
33 struct sk_buff *skb;
34 u_char *p;
35
36 if (!(skb = l3_alloc_skb(4)))
37 return;
38 p = skb_put(skb, 4);
39 MsgHead(p, pc->callref, mt, pd);
40 l3_msg(pc->st, DL_DATA | REQUEST, skb);
41}
42
43static void
44l3_1tr6_release_req(struct l3_process *pc, u_char pr, void *arg)
45{
46 StopAllL3Timer(pc);
47 newl3state(pc, 19);
48 l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
49 L3AddTimer(&pc->timer, T308, CC_T308_1);
50}
51
52static void
53l3_1tr6_invalid(struct l3_process *pc, u_char pr, void *arg)
54{
55 struct sk_buff *skb = arg;
56
57 dev_kfree_skb(skb);
58 l3_1tr6_release_req(pc, 0, NULL);
59}
60
61static void
62l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
63{
64 dev_kfree_skb(skb);
65 if (pc->st->l3.debug & L3_DEB_WARN)
66 l3_debug(pc->st, msg);
67 l3_1tr6_release_req(pc, 0, NULL);
68}
69
70static void
71l3_1tr6_setup_req(struct l3_process *pc, u_char pr, void *arg)
72{
73 struct sk_buff *skb;
74 u_char tmp[128];
75 u_char *p = tmp;
76 u_char *teln;
77 u_char *eaz;
78 u_char channel = 0;
79 int l;
80
81 MsgHead(p, pc->callref, MT_N1_SETUP, PROTO_DIS_N1);
82 teln = pc->para.setup.phone;
83 pc->para.spv = 0;
84 if (!isdigit(*teln)) {
85 switch (0x5f & *teln) {
86 case 'S':
87 pc->para.spv = 1;
88 break;
89 case 'C':
90 channel = 0x08;
91 case 'P':
92 channel |= 0x80;
93 teln++;
94 if (*teln == '1')
95 channel |= 0x01;
96 else
97 channel |= 0x02;
98 break;
99 default:
100 if (pc->st->l3.debug & L3_DEB_WARN)
101 l3_debug(pc->st, "Wrong MSN Code");
102 break;
103 }
104 teln++;
105 }
106 if (channel) {
107 *p++ = 0x18;
108 *p++ = 1;
109 *p++ = channel;
110 }
111 if (pc->para.spv) {
112
113 *p++ = WE0_netSpecFac;
114 *p++ = 4;
115 *p++ = 0;
116 *p++ = FAC_SPV;
117 *p++ = pc->para.setup.si1;
118 *p++ = pc->para.setup.si2;
119 *p++ = WE0_netSpecFac;
120 *p++ = 4;
121 *p++ = 0;
122 *p++ = FAC_Activate;
123 *p++ = pc->para.setup.si1;
124 *p++ = pc->para.setup.si2;
125 }
126 eaz = pc->para.setup.eazmsn;
127 if (*eaz) {
128 *p++ = WE0_origAddr;
129 *p++ = strlen(eaz) + 1;
130
131 *p++ = 0x81;
132 while (*eaz)
133 *p++ = *eaz++ & 0x7f;
134 }
135 *p++ = WE0_destAddr;
136 *p++ = strlen(teln) + 1;
137
138 *p++ = 0x81;
139 while (*teln)
140 *p++ = *teln++ & 0x7f;
141
142 *p++ = WE_Shift_F6;
143
144 *p++ = WE6_serviceInd;
145 *p++ = 2;
146 *p++ = pc->para.setup.si1;
147 *p++ = pc->para.setup.si2;
148
149 l = p - tmp;
150 if (!(skb = l3_alloc_skb(l)))
151 return;
152 memcpy(skb_put(skb, l), tmp, l);
153 L3DelTimer(&pc->timer);
154 L3AddTimer(&pc->timer, T303, CC_T303);
155 newl3state(pc, 1);
156 l3_msg(pc->st, DL_DATA | REQUEST, skb);
157}
158
159static void
160l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
161{
162 u_char *p;
163 int bcfound = 0;
164 char tmp[80];
165 struct sk_buff *skb = arg;
166
167
168 p = findie(skb->data, skb->len, WE0_chanID, 0);
169 if (p) {
170 if (p[1] != 1) {
171 l3_1tr6_error(pc, "setup wrong chanID len", skb);
172 return;
173 }
174 if ((p[2] & 0xf4) != 0x80) {
175 l3_1tr6_error(pc, "setup wrong WE0_chanID", skb);
176 return;
177 }
178 if ((pc->para.bchannel = p[2] & 0x3))
179 bcfound++;
180 } else {
181 l3_1tr6_error(pc, "missing setup chanID", skb);
182 return;
183 }
184
185 p = skb->data;
186 if ((p = findie(p, skb->len, WE6_serviceInd, 6))) {
187 pc->para.setup.si1 = p[2];
188 pc->para.setup.si2 = p[3];
189 } else {
190 l3_1tr6_error(pc, "missing setup SI", skb);
191 return;
192 }
193
194 p = skb->data;
195 if ((p = findie(p, skb->len, WE0_destAddr, 0)))
196 iecpy(pc->para.setup.eazmsn, p, 1);
197 else
198 pc->para.setup.eazmsn[0] = 0;
199
200 p = skb->data;
201 if ((p = findie(p, skb->len, WE0_origAddr, 0))) {
202 iecpy(pc->para.setup.phone, p, 1);
203 } else
204 pc->para.setup.phone[0] = 0;
205
206 p = skb->data;
207 pc->para.spv = 0;
208 if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) {
209 if ((FAC_SPV == p[3]) || (FAC_Activate == p[3]))
210 pc->para.spv = 1;
211 }
212 dev_kfree_skb(skb);
213
214
215 if (bcfound) {
216 if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
217 sprintf(tmp, "non-digital call: %s -> %s",
218 pc->para.setup.phone,
219 pc->para.setup.eazmsn);
220 l3_debug(pc->st, tmp);
221 }
222 newl3state(pc, 6);
223 pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
224 } else
225 release_l3_process(pc);
226}
227
228static void
229l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg)
230{
231 u_char *p;
232 struct sk_buff *skb = arg;
233
234 L3DelTimer(&pc->timer);
235 p = skb->data;
236 newl3state(pc, 2);
237 if ((p = findie(p, skb->len, WE0_chanID, 0))) {
238 if (p[1] != 1) {
239 l3_1tr6_error(pc, "setup_ack wrong chanID len", skb);
240 return;
241 }
242 if ((p[2] & 0xf4) != 0x80) {
243 l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb);
244 return;
245 }
246 pc->para.bchannel = p[2] & 0x3;
247 } else {
248 l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb);
249 return;
250 }
251 dev_kfree_skb(skb);
252 L3AddTimer(&pc->timer, T304, CC_T304);
253 pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc);
254}
255
256static void
257l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg)
258{
259 u_char *p;
260 struct sk_buff *skb = arg;
261
262 L3DelTimer(&pc->timer);
263 p = skb->data;
264 if ((p = findie(p, skb->len, WE0_chanID, 0))) {
265 if (p[1] != 1) {
266 l3_1tr6_error(pc, "call sent wrong chanID len", skb);
267 return;
268 }
269 if ((p[2] & 0xf4) != 0x80) {
270 l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb);
271 return;
272 }
273 if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) {
274 l3_1tr6_error(pc, "call sent wrong chanID value", skb);
275 return;
276 }
277 pc->para.bchannel = p[2] & 0x3;
278 } else {
279 l3_1tr6_error(pc, "missing call sent WE0_chanID", skb);
280 return;
281 }
282 dev_kfree_skb(skb);
283 L3AddTimer(&pc->timer, T310, CC_T310);
284 newl3state(pc, 3);
285 pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc);
286}
287
288static void
289l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg)
290{
291 struct sk_buff *skb = arg;
292
293 dev_kfree_skb(skb);
294 L3DelTimer(&pc->timer);
295 newl3state(pc, 4);
296 pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc);
297}
298
299static void
300l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
301{
302 u_char *p;
303 int i, tmpcharge = 0;
304 char a_charge[8], tmp[32];
305 struct sk_buff *skb = arg;
306
307 p = skb->data;
308 if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
309 iecpy(a_charge, p, 1);
310 for (i = 0; i < strlen(a_charge); i++) {
311 tmpcharge *= 10;
312 tmpcharge += a_charge[i] & 0xf;
313 }
314 if (tmpcharge > pc->para.chargeinfo) {
315 pc->para.chargeinfo = tmpcharge;
316 pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
317 }
318 if (pc->st->l3.debug & L3_DEB_CHARGE) {
319 sprintf(tmp, "charging info %d", pc->para.chargeinfo);
320 l3_debug(pc->st, tmp);
321 }
322 } else if (pc->st->l3.debug & L3_DEB_CHARGE)
323 l3_debug(pc->st, "charging info not found");
324 dev_kfree_skb(skb);
325
326}
327
328static void
329l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg)
330{
331 struct sk_buff *skb = arg;
332
333 dev_kfree_skb(skb);
334}
335
336static void
337l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg)
338{
339 struct sk_buff *skb = arg;
340
341 L3DelTimer(&pc->timer);
342 if (!findie(skb->data, skb->len, WE6_date, 6)) {
343 l3_1tr6_error(pc, "missing connect date", skb);
344 return;
345 }
346 newl3state(pc, 10);
347 dev_kfree_skb(skb);
348 pc->para.chargeinfo = 0;
349 pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc);
350}
351
352static void
353l3_1tr6_rel(struct l3_process *pc, u_char pr, void *arg)
354{
355 struct sk_buff *skb = arg;
356 u_char *p;
357
358 p = skb->data;
359 if ((p = findie(p, skb->len, WE0_cause, 0))) {
360 if (p[1] > 0) {
361 pc->para.cause = p[2];
362 if (p[1] > 1)
363 pc->para.loc = p[3];
364 else
365 pc->para.loc = 0;
366 } else {
367 pc->para.cause = 0;
368 pc->para.loc = 0;
369 }
370 } else {
371 pc->para.cause = NO_CAUSE;
372 l3_1tr6_error(pc, "missing REL cause", skb);
373 return;
374 }
375 dev_kfree_skb(skb);
376 StopAllL3Timer(pc);
377 newl3state(pc, 0);
378 l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1);
379 pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
380 release_l3_process(pc);
381}
382
383static void
384l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg)
385{
386 struct sk_buff *skb = arg;
387
388 dev_kfree_skb(skb);
389 StopAllL3Timer(pc);
390 newl3state(pc, 0);
391 pc->para.cause = NO_CAUSE;
392 pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc);
393 release_l3_process(pc);
394}
395
396static void
397l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
398{
399 struct sk_buff *skb = arg;
400 u_char *p;
401 int i, tmpcharge = 0;
402 char a_charge[8], tmp[32];
403
404 StopAllL3Timer(pc);
405 p = skb->data;
406 if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
407 iecpy(a_charge, p, 1);
408 for (i = 0; i < strlen(a_charge); i++) {
409 tmpcharge *= 10;
410 tmpcharge += a_charge[i] & 0xf;
411 }
412 if (tmpcharge > pc->para.chargeinfo) {
413 pc->para.chargeinfo = tmpcharge;
414 pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
415 }
416 if (pc->st->l3.debug & L3_DEB_CHARGE) {
417 sprintf(tmp, "charging info %d", pc->para.chargeinfo);
418 l3_debug(pc->st, tmp);
419 }
420 } else if (pc->st->l3.debug & L3_DEB_CHARGE)
421 l3_debug(pc->st, "charging info not found");
422
423
424 p = skb->data;
425 if ((p = findie(p, skb->len, WE0_cause, 0))) {
426 if (p[1] > 0) {
427 pc->para.cause = p[2];
428 if (p[1] > 1)
429 pc->para.loc = p[3];
430 else
431 pc->para.loc = 0;
432 } else {
433 pc->para.cause = 0;
434 pc->para.loc = 0;
435 }
436 } else {
437 if (pc->st->l3.debug & L3_DEB_WARN)
438 l3_debug(pc->st, "cause not found");
439 pc->para.cause = NO_CAUSE;
440 }
441 if (!findie(skb->data, skb->len, WE6_date, 6)) {
442 l3_1tr6_error(pc, "missing connack date", skb);
443 return;
444 }
445 dev_kfree_skb(skb);
446 newl3state(pc, 12);
447 pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc);
448}
449
450
451static void
452l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg)
453{
454 struct sk_buff *skb = arg;
455
456 if (!findie(skb->data, skb->len, WE6_date, 6)) {
457 l3_1tr6_error(pc, "missing connack date", skb);
458 return;
459 }
460 dev_kfree_skb(skb);
461 newl3state(pc, 10);
462 pc->para.chargeinfo = 0;
463 L3DelTimer(&pc->timer);
464 pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc);
465}
466
467static void
468l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg)
469{
470 newl3state(pc, 7);
471 l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1);
472}
473
474static void
475l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg)
476{
477 struct sk_buff *skb;
478 u_char tmp[24];
479 u_char *p = tmp;
480 int l;
481
482 MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1);
483 if (pc->para.spv) {
484
485 *p++ = WE0_netSpecFac;
486 *p++ = 4;
487 *p++ = 0;
488 *p++ = FAC_SPV;
489 *p++ = pc->para.setup.si1;
490 *p++ = pc->para.setup.si2;
491 *p++ = WE0_netSpecFac;
492 *p++ = 4;
493 *p++ = 0;
494 *p++ = FAC_Activate;
495 *p++ = pc->para.setup.si1;
496 *p++ = pc->para.setup.si2;
497 }
498 newl3state(pc, 8);
499 l = p - tmp;
500 if (!(skb = l3_alloc_skb(l)))
501 return;
502 memcpy(skb_put(skb, l), tmp, l);
503 l3_msg(pc->st, DL_DATA | REQUEST, skb);
504 L3DelTimer(&pc->timer);
505 L3AddTimer(&pc->timer, T313, CC_T313);
506}
507
508static void
509l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg)
510{
511 release_l3_process(pc);
512}
513
514static void
515l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg)
516{
517 struct sk_buff *skb;
518 u_char tmp[16];
519 u_char *p = tmp;
520 int l;
521 u_char cause = 0x10;
522 u_char clen = 1;
523
524 if (pc->para.cause > 0)
525 cause = pc->para.cause;
526
527 switch (cause & 0x7f) {
528 case 0x10:
529 clen = 0;
530 break;
531 case 0x11:
532 cause = CAUSE_UserBusy;
533 break;
534 case 0x15:
535 cause = CAUSE_CallRejected;
536 break;
537 }
538 StopAllL3Timer(pc);
539 MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1);
540 *p++ = WE0_cause;
541 *p++ = clen;
542 if (clen)
543 *p++ = cause | 0x80;
544 newl3state(pc, 11);
545 l = p - tmp;
546 if (!(skb = l3_alloc_skb(l)))
547 return;
548 memcpy(skb_put(skb, l), tmp, l);
549 l3_msg(pc->st, DL_DATA | REQUEST, skb);
550 L3AddTimer(&pc->timer, T305, CC_T305);
551}
552
553static void
554l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg)
555{
556 if (pc->N303 > 0) {
557 pc->N303--;
558 L3DelTimer(&pc->timer);
559 l3_1tr6_setup_req(pc, pr, arg);
560 } else {
561 L3DelTimer(&pc->timer);
562 pc->para.cause = 0;
563 l3_1tr6_disconnect_req(pc, 0, NULL);
564 }
565}
566
567static void
568l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg)
569{
570 L3DelTimer(&pc->timer);
571 pc->para.cause = 0xE6;
572 l3_1tr6_disconnect_req(pc, pr, NULL);
573 pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
574}
575
576static void
577l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg)
578{
579 struct sk_buff *skb;
580 u_char tmp[16];
581 u_char *p = tmp;
582 int l;
583 u_char cause = 0x90;
584 u_char clen = 1;
585
586 L3DelTimer(&pc->timer);
587 if (pc->para.cause != NO_CAUSE)
588 cause = pc->para.cause;
589
590 switch (cause & 0x7f) {
591 case 0x10:
592 clen = 0;
593 break;
594 case 0x15:
595 cause = CAUSE_CallRejected;
596 break;
597 }
598 MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1);
599 *p++ = WE0_cause;
600 *p++ = clen;
601 if (clen)
602 *p++ = cause;
603 newl3state(pc, 19);
604 l = p - tmp;
605 if (!(skb = l3_alloc_skb(l)))
606 return;
607 memcpy(skb_put(skb, l), tmp, l);
608 l3_msg(pc->st, DL_DATA | REQUEST, skb);
609 L3AddTimer(&pc->timer, T308, CC_T308_1);
610}
611
612static void
613l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg)
614{
615 L3DelTimer(&pc->timer);
616 pc->para.cause = 0xE6;
617 l3_1tr6_disconnect_req(pc, pr, NULL);
618 pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
619}
620
621static void
622l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg)
623{
624 L3DelTimer(&pc->timer);
625 pc->para.cause = 0xE6;
626 l3_1tr6_disconnect_req(pc, pr, NULL);
627 pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc);
628}
629
630static void
631l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg)
632{
633 L3DelTimer(&pc->timer);
634 l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
635 L3AddTimer(&pc->timer, T308, CC_T308_2);
636 newl3state(pc, 19);
637}
638
639static void
640l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg)
641{
642 L3DelTimer(&pc->timer);
643 pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc);
644 release_l3_process(pc);
645}
646
647static void
648l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg)
649{
650 pc->para.cause = CAUSE_LocalProcErr;
651 l3_1tr6_disconnect_req(pc, pr, NULL);
652 pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
653}
654
655static void
656l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg)
657{
658 newl3state(pc, 0);
659 pc->para.cause = 0x1b;
660 pc->para.loc = 0;
661 pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
662 release_l3_process(pc);
663}
664
665
666static struct stateentry downstl[] =
667{
668 {SBIT(0),
669 CC_SETUP | REQUEST, l3_1tr6_setup_req},
670 {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) |
671 SBIT(10),
672 CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req},
673 {SBIT(12),
674 CC_RELEASE | REQUEST, l3_1tr6_release_req},
675 {SBIT(6),
676 CC_IGNORE | REQUEST, l3_1tr6_reset},
677 {SBIT(6),
678 CC_REJECT | REQUEST, l3_1tr6_disconnect_req},
679 {SBIT(6),
680 CC_ALERTING | REQUEST, l3_1tr6_alert_req},
681 {SBIT(6) | SBIT(7),
682 CC_SETUP | RESPONSE, l3_1tr6_setup_rsp},
683 {SBIT(1),
684 CC_T303, l3_1tr6_t303},
685 {SBIT(2),
686 CC_T304, l3_1tr6_t304},
687 {SBIT(3),
688 CC_T310, l3_1tr6_t310},
689 {SBIT(8),
690 CC_T313, l3_1tr6_t313},
691 {SBIT(11),
692 CC_T305, l3_1tr6_t305},
693 {SBIT(19),
694 CC_T308_1, l3_1tr6_t308_1},
695 {SBIT(19),
696 CC_T308_2, l3_1tr6_t308_2},
697};
698
699static struct stateentry datastln1[] =
700{
701 {SBIT(0),
702 MT_N1_INVALID, l3_1tr6_invalid},
703 {SBIT(0),
704 MT_N1_SETUP, l3_1tr6_setup},
705 {SBIT(1),
706 MT_N1_SETUP_ACK, l3_1tr6_setup_ack},
707 {SBIT(1) | SBIT(2),
708 MT_N1_CALL_SENT, l3_1tr6_call_sent},
709 {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
710 MT_N1_DISC, l3_1tr6_disc},
711 {SBIT(2) | SBIT(3) | SBIT(4),
712 MT_N1_ALERT, l3_1tr6_alert},
713 {SBIT(2) | SBIT(3) | SBIT(4),
714 MT_N1_CONN, l3_1tr6_connect},
715 {SBIT(2),
716 MT_N1_INFO, l3_1tr6_info_s2},
717 {SBIT(8),
718 MT_N1_CONN_ACK, l3_1tr6_connect_ack},
719 {SBIT(10),
720 MT_N1_INFO, l3_1tr6_info},
721 {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
722 SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
723 MT_N1_REL, l3_1tr6_rel},
724 {SBIT(19),
725 MT_N1_REL, l3_1tr6_rel_ack},
726 {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
727 SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
728 MT_N1_REL_ACK, l3_1tr6_invalid},
729 {SBIT(19),
730 MT_N1_REL_ACK, l3_1tr6_rel_ack}
731};
732
733static struct stateentry manstatelist[] =
734{
735 {SBIT(2),
736 DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
737 {ALL_STATES,
738 DL_RELEASE | INDICATION, l3_1tr6_dl_release},
739};
740
741
742
743static void
744up1tr6(struct PStack *st, int pr, void *arg)
745{
746 int i, mt, cr;
747 struct l3_process *proc;
748 struct sk_buff *skb = arg;
749 char tmp[80];
750
751 switch (pr) {
752 case (DL_DATA | INDICATION):
753 case (DL_UNIT_DATA | INDICATION):
754 break;
755 case (DL_ESTABLISH | CONFIRM):
756 case (DL_ESTABLISH | INDICATION):
757 case (DL_RELEASE | INDICATION):
758 case (DL_RELEASE | CONFIRM):
759 l3_msg(st, pr, arg);
760 return;
761 break;
762 }
763 if (skb->len < 4) {
764 if (st->l3.debug & L3_DEB_PROTERR) {
765 sprintf(tmp, "up1tr6 len only %d", skb->len);
766 l3_debug(st, tmp);
767 }
768 dev_kfree_skb(skb);
769 return;
770 }
771 if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
772 if (st->l3.debug & L3_DEB_PROTERR) {
773 sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
774 (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
775 skb->data[0], skb->len);
776 l3_debug(st, tmp);
777 }
778 dev_kfree_skb(skb);
779 return;
780 }
781 if (skb->data[1] != 1) {
782 if (st->l3.debug & L3_DEB_PROTERR) {
783 sprintf(tmp, "up1tr6 CR len not 1");
784 l3_debug(st, tmp);
785 }
786 dev_kfree_skb(skb);
787 return;
788 }
789 cr = skb->data[2];
790 mt = skb->data[3];
791 if (skb->data[0] == PROTO_DIS_N0) {
792 dev_kfree_skb(skb);
793 if (st->l3.debug & L3_DEB_STATE) {
794 sprintf(tmp, "up1tr6%s N0 mt %x unhandled",
795 (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
796 l3_debug(st, tmp);
797 }
798 } else if (skb->data[0] == PROTO_DIS_N1) {
799 if (!(proc = getl3proc(st, cr))) {
800 if (mt == MT_N1_SETUP) {
801 if (cr < 128) {
802 if (!(proc = new_l3_process(st, cr))) {
803 if (st->l3.debug & L3_DEB_PROTERR) {
804 sprintf(tmp, "up1tr6 no roc mem");
805 l3_debug(st, tmp);
806 }
807 dev_kfree_skb(skb);
808 return;
809 }
810 } else {
811 dev_kfree_skb(skb);
812 return;
813 }
814 } else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) ||
815 (mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) ||
816 (mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) ||
817 (mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) ||
818 (mt == MT_N1_INFO)) {
819 dev_kfree_skb(skb);
820 return;
821 } else {
822 if (!(proc = new_l3_process(st, cr))) {
823 if (st->l3.debug & L3_DEB_PROTERR) {
824 sprintf(tmp, "up1tr6 no roc mem");
825 l3_debug(st, tmp);
826 }
827 dev_kfree_skb(skb);
828 return;
829 }
830 mt = MT_N1_INVALID;
831 }
832 }
833 for (i = 0; i < ARRAY_SIZE(datastln1); i++)
834 if ((mt == datastln1[i].primitive) &&
835 ((1 << proc->state) & datastln1[i].state))
836 break;
837 if (i == ARRAY_SIZE(datastln1)) {
838 dev_kfree_skb(skb);
839 if (st->l3.debug & L3_DEB_STATE) {
840 sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
841 (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
842 proc->state, mt);
843 l3_debug(st, tmp);
844 }
845 return;
846 } else {
847 if (st->l3.debug & L3_DEB_STATE) {
848 sprintf(tmp, "up1tr6%sstate %d mt %x",
849 (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
850 proc->state, mt);
851 l3_debug(st, tmp);
852 }
853 datastln1[i].rout(proc, pr, skb);
854 }
855 }
856}
857
858static void
859down1tr6(struct PStack *st, int pr, void *arg)
860{
861 int i, cr;
862 struct l3_process *proc;
863 struct Channel *chan;
864 char tmp[80];
865
866 if ((DL_ESTABLISH | REQUEST)== pr) {
867 l3_msg(st, pr, NULL);
868 return;
869 } else if ((CC_SETUP | REQUEST) == pr) {
870 chan = arg;
871 cr = newcallref();
872 cr |= 0x80;
873 if (!(proc = new_l3_process(st, cr))) {
874 return;
875 } else {
876 proc->chan = chan;
877 chan->proc = proc;
878 memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm));
879 proc->callref = cr;
880 }
881 } else {
882 proc = arg;
883 }
884
885 for (i = 0; i < ARRAY_SIZE(downstl); i++)
886 if ((pr == downstl[i].primitive) &&
887 ((1 << proc->state) & downstl[i].state))
888 break;
889 if (i == ARRAY_SIZE(downstl)) {
890 if (st->l3.debug & L3_DEB_STATE) {
891 sprintf(tmp, "down1tr6 state %d prim %d unhandled",
892 proc->state, pr);
893 l3_debug(st, tmp);
894 }
895 } else {
896 if (st->l3.debug & L3_DEB_STATE) {
897 sprintf(tmp, "down1tr6 state %d prim %d",
898 proc->state, pr);
899 l3_debug(st, tmp);
900 }
901 downstl[i].rout(proc, pr, arg);
902 }
903}
904
905static void
906man1tr6(struct PStack *st, int pr, void *arg)
907{
908 int i;
909 struct l3_process *proc = arg;
910
911 if (!proc) {
912 printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr);
913 return;
914 }
915 for (i = 0; i < ARRAY_SIZE(manstatelist); i++)
916 if ((pr == manstatelist[i].primitive) &&
917 ((1 << proc->state) & manstatelist[i].state))
918 break;
919 if (i == ARRAY_SIZE(manstatelist)) {
920 if (st->l3.debug & L3_DEB_STATE) {
921 l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled",
922 proc->callref & 0x7f, proc->state, pr);
923 }
924 } else {
925 if (st->l3.debug & L3_DEB_STATE) {
926 l3_debug(st, "cr %d man1tr6 state %d prim %d",
927 proc->callref & 0x7f, proc->state, pr);
928 }
929 manstatelist[i].rout(proc, pr, arg);
930 }
931}
932
933void
934setstack_1tr6(struct PStack *st)
935{
936 char tmp[64];
937
938 st->lli.l4l3 = down1tr6;
939 st->l2.l2l3 = up1tr6;
940 st->l3.l3ml3 = man1tr6;
941 st->l3.N303 = 0;
942
943 strcpy(tmp, l3_1tr6_revision);
944 printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp));
945}
946
