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1da177e4 LT |
1 | /* $Id: l3_1tr6.c,v 2.15.2.3 2004/01/13 14:31:25 keil Exp $ |
2 | * | |
3 | * German 1TR6 D-channel protocol | |
4 | * | |
5 | * Author Karsten Keil | |
6 | * Copyright by Karsten Keil <keil@isdn4linux.de> | |
7 | * | |
8 | * This software may be used and distributed according to the terms | |
9 | * of the GNU General Public License, incorporated herein by reference. | |
10 | * | |
11 | * For changes and modifications please read | |
12 | * Documentation/isdn/HiSax.cert | |
13 | * | |
14 | */ | |
15 | ||
16 | #include "hisax.h" | |
17 | #include "l3_1tr6.h" | |
18 | #include "isdnl3.h" | |
19 | #include <linux/ctype.h> | |
20 | ||
21 | extern char *HiSax_getrev(const char *revision); | |
672c3fd9 | 22 | static const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $"; |
1da177e4 LT |
23 | |
24 | #define MsgHead(ptr, cref, mty, dis) \ | |
25 | *ptr++ = dis; \ | |
26 | *ptr++ = 0x1; \ | |
27 | *ptr++ = cref ^ 0x80; \ | |
28 | *ptr++ = mty | |
29 | ||
30 | static void | |
31 | l3_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 | ||
43 | static void | |
44 | l3_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 | ||
52 | static void | |
53 | l3_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 | ||
61 | static void | |
62 | l3_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 | ||
70 | static void | |
71 | l3_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; /* channel indicator */ | |
108 | *p++ = 1; | |
109 | *p++ = channel; | |
110 | } | |
111 | if (pc->para.spv) { /* SPV ? */ | |
112 | /* NSF SPV */ | |
113 | *p++ = WE0_netSpecFac; | |
114 | *p++ = 4; /* Laenge */ | |
115 | *p++ = 0; | |
116 | *p++ = FAC_SPV; /* SPV */ | |
117 | *p++ = pc->para.setup.si1; /* 0 for all Services */ | |
118 | *p++ = pc->para.setup.si2; /* 0 for all Services */ | |
119 | *p++ = WE0_netSpecFac; | |
120 | *p++ = 4; /* Laenge */ | |
121 | *p++ = 0; | |
122 | *p++ = FAC_Activate; /* aktiviere SPV (default) */ | |
123 | *p++ = pc->para.setup.si1; /* 0 for all Services */ | |
124 | *p++ = pc->para.setup.si2; /* 0 for all Services */ | |
125 | } | |
126 | eaz = pc->para.setup.eazmsn; | |
127 | if (*eaz) { | |
128 | *p++ = WE0_origAddr; | |
129 | *p++ = strlen(eaz) + 1; | |
130 | /* Classify as AnyPref. */ | |
131 | *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */ | |
132 | while (*eaz) | |
133 | *p++ = *eaz++ & 0x7f; | |
134 | } | |
135 | *p++ = WE0_destAddr; | |
136 | *p++ = strlen(teln) + 1; | |
137 | /* Classify as AnyPref. */ | |
138 | *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */ | |
139 | while (*teln) | |
140 | *p++ = *teln++ & 0x7f; | |
141 | ||
142 | *p++ = WE_Shift_F6; | |
143 | /* Codesatz 6 fuer Service */ | |
144 | *p++ = WE6_serviceInd; | |
145 | *p++ = 2; /* len=2 info,info2 */ | |
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 | ||
159 | static void | |
160 | l3_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 | p = skb->data; | |
168 | ||
169 | /* Channel Identification */ | |
170 | p = skb->data; | |
171 | if ((p = findie(p, skb->len, WE0_chanID, 0))) { | |
172 | if (p[1] != 1) { | |
173 | l3_1tr6_error(pc, "setup wrong chanID len", skb); | |
174 | return; | |
175 | } | |
176 | if ((p[2] & 0xf4) != 0x80) { | |
177 | l3_1tr6_error(pc, "setup wrong WE0_chanID", skb); | |
178 | return; | |
179 | } | |
180 | if ((pc->para.bchannel = p[2] & 0x3)) | |
181 | bcfound++; | |
182 | } else { | |
183 | l3_1tr6_error(pc, "missing setup chanID", skb); | |
184 | return; | |
185 | } | |
186 | ||
187 | p = skb->data; | |
188 | if ((p = findie(p, skb->len, WE6_serviceInd, 6))) { | |
189 | pc->para.setup.si1 = p[2]; | |
190 | pc->para.setup.si2 = p[3]; | |
191 | } else { | |
192 | l3_1tr6_error(pc, "missing setup SI", skb); | |
193 | return; | |
194 | } | |
195 | ||
196 | p = skb->data; | |
197 | if ((p = findie(p, skb->len, WE0_destAddr, 0))) | |
198 | iecpy(pc->para.setup.eazmsn, p, 1); | |
199 | else | |
200 | pc->para.setup.eazmsn[0] = 0; | |
201 | ||
202 | p = skb->data; | |
203 | if ((p = findie(p, skb->len, WE0_origAddr, 0))) { | |
204 | iecpy(pc->para.setup.phone, p, 1); | |
205 | } else | |
206 | pc->para.setup.phone[0] = 0; | |
207 | ||
208 | p = skb->data; | |
209 | pc->para.spv = 0; | |
210 | if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) { | |
211 | if ((FAC_SPV == p[3]) || (FAC_Activate == p[3])) | |
212 | pc->para.spv = 1; | |
213 | } | |
214 | dev_kfree_skb(skb); | |
215 | ||
216 | /* Signal all services, linklevel takes care of Service-Indicator */ | |
217 | if (bcfound) { | |
218 | if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) { | |
219 | sprintf(tmp, "non-digital call: %s -> %s", | |
220 | pc->para.setup.phone, | |
221 | pc->para.setup.eazmsn); | |
222 | l3_debug(pc->st, tmp); | |
223 | } | |
224 | newl3state(pc, 6); | |
225 | pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc); | |
226 | } else | |
227 | release_l3_process(pc); | |
228 | } | |
229 | ||
230 | static void | |
231 | l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg) | |
232 | { | |
233 | u_char *p; | |
234 | struct sk_buff *skb = arg; | |
235 | ||
236 | L3DelTimer(&pc->timer); | |
237 | p = skb->data; | |
238 | newl3state(pc, 2); | |
239 | if ((p = findie(p, skb->len, WE0_chanID, 0))) { | |
240 | if (p[1] != 1) { | |
241 | l3_1tr6_error(pc, "setup_ack wrong chanID len", skb); | |
242 | return; | |
243 | } | |
244 | if ((p[2] & 0xf4) != 0x80) { | |
245 | l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb); | |
246 | return; | |
247 | } | |
248 | pc->para.bchannel = p[2] & 0x3; | |
249 | } else { | |
250 | l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb); | |
251 | return; | |
252 | } | |
253 | dev_kfree_skb(skb); | |
254 | L3AddTimer(&pc->timer, T304, CC_T304); | |
255 | pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc); | |
256 | } | |
257 | ||
258 | static void | |
259 | l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg) | |
260 | { | |
261 | u_char *p; | |
262 | struct sk_buff *skb = arg; | |
263 | ||
264 | L3DelTimer(&pc->timer); | |
265 | p = skb->data; | |
266 | if ((p = findie(p, skb->len, WE0_chanID, 0))) { | |
267 | if (p[1] != 1) { | |
268 | l3_1tr6_error(pc, "call sent wrong chanID len", skb); | |
269 | return; | |
270 | } | |
271 | if ((p[2] & 0xf4) != 0x80) { | |
272 | l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb); | |
273 | return; | |
274 | } | |
275 | if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) { | |
276 | l3_1tr6_error(pc, "call sent wrong chanID value", skb); | |
277 | return; | |
278 | } | |
279 | pc->para.bchannel = p[2] & 0x3; | |
280 | } else { | |
281 | l3_1tr6_error(pc, "missing call sent WE0_chanID", skb); | |
282 | return; | |
283 | } | |
284 | dev_kfree_skb(skb); | |
285 | L3AddTimer(&pc->timer, T310, CC_T310); | |
286 | newl3state(pc, 3); | |
287 | pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc); | |
288 | } | |
289 | ||
290 | static void | |
291 | l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg) | |
292 | { | |
293 | struct sk_buff *skb = arg; | |
294 | ||
295 | dev_kfree_skb(skb); | |
296 | L3DelTimer(&pc->timer); /* T304 */ | |
297 | newl3state(pc, 4); | |
298 | pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc); | |
299 | } | |
300 | ||
301 | static void | |
302 | l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg) | |
303 | { | |
304 | u_char *p; | |
305 | int i, tmpcharge = 0; | |
306 | char a_charge[8], tmp[32]; | |
307 | struct sk_buff *skb = arg; | |
308 | ||
309 | p = skb->data; | |
310 | if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) { | |
311 | iecpy(a_charge, p, 1); | |
312 | for (i = 0; i < strlen(a_charge); i++) { | |
313 | tmpcharge *= 10; | |
314 | tmpcharge += a_charge[i] & 0xf; | |
315 | } | |
316 | if (tmpcharge > pc->para.chargeinfo) { | |
317 | pc->para.chargeinfo = tmpcharge; | |
318 | pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc); | |
319 | } | |
320 | if (pc->st->l3.debug & L3_DEB_CHARGE) { | |
321 | sprintf(tmp, "charging info %d", pc->para.chargeinfo); | |
322 | l3_debug(pc->st, tmp); | |
323 | } | |
324 | } else if (pc->st->l3.debug & L3_DEB_CHARGE) | |
325 | l3_debug(pc->st, "charging info not found"); | |
326 | dev_kfree_skb(skb); | |
327 | ||
328 | } | |
329 | ||
330 | static void | |
331 | l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg) | |
332 | { | |
333 | struct sk_buff *skb = arg; | |
334 | ||
335 | dev_kfree_skb(skb); | |
336 | } | |
337 | ||
338 | static void | |
339 | l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg) | |
340 | { | |
341 | struct sk_buff *skb = arg; | |
342 | ||
343 | L3DelTimer(&pc->timer); /* T310 */ | |
344 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
345 | l3_1tr6_error(pc, "missing connect date", skb); | |
346 | return; | |
347 | } | |
348 | newl3state(pc, 10); | |
349 | dev_kfree_skb(skb); | |
350 | pc->para.chargeinfo = 0; | |
351 | pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc); | |
352 | } | |
353 | ||
354 | static void | |
355 | l3_1tr6_rel(struct l3_process *pc, u_char pr, void *arg) | |
356 | { | |
357 | struct sk_buff *skb = arg; | |
358 | u_char *p; | |
359 | ||
360 | p = skb->data; | |
361 | if ((p = findie(p, skb->len, WE0_cause, 0))) { | |
362 | if (p[1] > 0) { | |
363 | pc->para.cause = p[2]; | |
364 | if (p[1] > 1) | |
365 | pc->para.loc = p[3]; | |
366 | else | |
367 | pc->para.loc = 0; | |
368 | } else { | |
369 | pc->para.cause = 0; | |
370 | pc->para.loc = 0; | |
371 | } | |
372 | } else { | |
373 | pc->para.cause = NO_CAUSE; | |
374 | l3_1tr6_error(pc, "missing REL cause", skb); | |
375 | return; | |
376 | } | |
377 | dev_kfree_skb(skb); | |
378 | StopAllL3Timer(pc); | |
379 | newl3state(pc, 0); | |
380 | l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1); | |
381 | pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc); | |
382 | release_l3_process(pc); | |
383 | } | |
384 | ||
385 | static void | |
386 | l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg) | |
387 | { | |
388 | struct sk_buff *skb = arg; | |
389 | ||
390 | dev_kfree_skb(skb); | |
391 | StopAllL3Timer(pc); | |
392 | newl3state(pc, 0); | |
393 | pc->para.cause = NO_CAUSE; | |
394 | pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc); | |
395 | release_l3_process(pc); | |
396 | } | |
397 | ||
398 | static void | |
399 | l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg) | |
400 | { | |
401 | struct sk_buff *skb = arg; | |
402 | u_char *p; | |
403 | int i, tmpcharge = 0; | |
404 | char a_charge[8], tmp[32]; | |
405 | ||
406 | StopAllL3Timer(pc); | |
407 | p = skb->data; | |
408 | if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) { | |
409 | iecpy(a_charge, p, 1); | |
410 | for (i = 0; i < strlen(a_charge); i++) { | |
411 | tmpcharge *= 10; | |
412 | tmpcharge += a_charge[i] & 0xf; | |
413 | } | |
414 | if (tmpcharge > pc->para.chargeinfo) { | |
415 | pc->para.chargeinfo = tmpcharge; | |
416 | pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc); | |
417 | } | |
418 | if (pc->st->l3.debug & L3_DEB_CHARGE) { | |
419 | sprintf(tmp, "charging info %d", pc->para.chargeinfo); | |
420 | l3_debug(pc->st, tmp); | |
421 | } | |
422 | } else if (pc->st->l3.debug & L3_DEB_CHARGE) | |
423 | l3_debug(pc->st, "charging info not found"); | |
424 | ||
425 | ||
426 | p = skb->data; | |
427 | if ((p = findie(p, skb->len, WE0_cause, 0))) { | |
428 | if (p[1] > 0) { | |
429 | pc->para.cause = p[2]; | |
430 | if (p[1] > 1) | |
431 | pc->para.loc = p[3]; | |
432 | else | |
433 | pc->para.loc = 0; | |
434 | } else { | |
435 | pc->para.cause = 0; | |
436 | pc->para.loc = 0; | |
437 | } | |
438 | } else { | |
439 | if (pc->st->l3.debug & L3_DEB_WARN) | |
440 | l3_debug(pc->st, "cause not found"); | |
441 | pc->para.cause = NO_CAUSE; | |
442 | } | |
443 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
444 | l3_1tr6_error(pc, "missing connack date", skb); | |
445 | return; | |
446 | } | |
447 | dev_kfree_skb(skb); | |
448 | newl3state(pc, 12); | |
449 | pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc); | |
450 | } | |
451 | ||
452 | ||
453 | static void | |
454 | l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg) | |
455 | { | |
456 | struct sk_buff *skb = arg; | |
457 | ||
458 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
459 | l3_1tr6_error(pc, "missing connack date", skb); | |
460 | return; | |
461 | } | |
462 | dev_kfree_skb(skb); | |
463 | newl3state(pc, 10); | |
464 | pc->para.chargeinfo = 0; | |
465 | L3DelTimer(&pc->timer); | |
466 | pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc); | |
467 | } | |
468 | ||
469 | static void | |
470 | l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg) | |
471 | { | |
472 | newl3state(pc, 7); | |
473 | l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1); | |
474 | } | |
475 | ||
476 | static void | |
477 | l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg) | |
478 | { | |
479 | struct sk_buff *skb; | |
480 | u_char tmp[24]; | |
481 | u_char *p = tmp; | |
482 | int l; | |
483 | ||
484 | MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1); | |
485 | if (pc->para.spv) { /* SPV ? */ | |
486 | /* NSF SPV */ | |
487 | *p++ = WE0_netSpecFac; | |
488 | *p++ = 4; /* Laenge */ | |
489 | *p++ = 0; | |
490 | *p++ = FAC_SPV; /* SPV */ | |
491 | *p++ = pc->para.setup.si1; | |
492 | *p++ = pc->para.setup.si2; | |
493 | *p++ = WE0_netSpecFac; | |
494 | *p++ = 4; /* Laenge */ | |
495 | *p++ = 0; | |
496 | *p++ = FAC_Activate; /* aktiviere SPV */ | |
497 | *p++ = pc->para.setup.si1; | |
498 | *p++ = pc->para.setup.si2; | |
499 | } | |
500 | newl3state(pc, 8); | |
501 | l = p - tmp; | |
502 | if (!(skb = l3_alloc_skb(l))) | |
503 | return; | |
504 | memcpy(skb_put(skb, l), tmp, l); | |
505 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
506 | L3DelTimer(&pc->timer); | |
507 | L3AddTimer(&pc->timer, T313, CC_T313); | |
508 | } | |
509 | ||
510 | static void | |
511 | l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg) | |
512 | { | |
513 | release_l3_process(pc); | |
514 | } | |
515 | ||
516 | static void | |
517 | l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg) | |
518 | { | |
519 | struct sk_buff *skb; | |
520 | u_char tmp[16]; | |
521 | u_char *p = tmp; | |
522 | int l; | |
523 | u_char cause = 0x10; | |
524 | u_char clen = 1; | |
525 | ||
526 | if (pc->para.cause > 0) | |
527 | cause = pc->para.cause; | |
528 | /* Map DSS1 causes */ | |
529 | switch (cause & 0x7f) { | |
530 | case 0x10: | |
531 | clen = 0; | |
532 | break; | |
533 | case 0x11: | |
534 | cause = CAUSE_UserBusy; | |
535 | break; | |
536 | case 0x15: | |
537 | cause = CAUSE_CallRejected; | |
538 | break; | |
539 | } | |
540 | StopAllL3Timer(pc); | |
541 | MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1); | |
542 | *p++ = WE0_cause; | |
543 | *p++ = clen; /* Laenge */ | |
544 | if (clen) | |
545 | *p++ = cause | 0x80; | |
546 | newl3state(pc, 11); | |
547 | l = p - tmp; | |
548 | if (!(skb = l3_alloc_skb(l))) | |
549 | return; | |
550 | memcpy(skb_put(skb, l), tmp, l); | |
551 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
552 | L3AddTimer(&pc->timer, T305, CC_T305); | |
553 | } | |
554 | ||
555 | static void | |
556 | l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg) | |
557 | { | |
558 | if (pc->N303 > 0) { | |
559 | pc->N303--; | |
560 | L3DelTimer(&pc->timer); | |
561 | l3_1tr6_setup_req(pc, pr, arg); | |
562 | } else { | |
563 | L3DelTimer(&pc->timer); | |
564 | pc->para.cause = 0; | |
565 | l3_1tr6_disconnect_req(pc, 0, NULL); | |
566 | } | |
567 | } | |
568 | ||
569 | static void | |
570 | l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg) | |
571 | { | |
572 | L3DelTimer(&pc->timer); | |
573 | pc->para.cause = 0xE6; | |
574 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
575 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
576 | } | |
577 | ||
578 | static void | |
579 | l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg) | |
580 | { | |
581 | struct sk_buff *skb; | |
582 | u_char tmp[16]; | |
583 | u_char *p = tmp; | |
584 | int l; | |
585 | u_char cause = 0x90; | |
586 | u_char clen = 1; | |
587 | ||
588 | L3DelTimer(&pc->timer); | |
589 | if (pc->para.cause != NO_CAUSE) | |
590 | cause = pc->para.cause; | |
591 | /* Map DSS1 causes */ | |
592 | switch (cause & 0x7f) { | |
593 | case 0x10: | |
594 | clen = 0; | |
595 | break; | |
596 | case 0x15: | |
597 | cause = CAUSE_CallRejected; | |
598 | break; | |
599 | } | |
600 | MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1); | |
601 | *p++ = WE0_cause; | |
602 | *p++ = clen; /* Laenge */ | |
603 | if (clen) | |
604 | *p++ = cause; | |
605 | newl3state(pc, 19); | |
606 | l = p - tmp; | |
607 | if (!(skb = l3_alloc_skb(l))) | |
608 | return; | |
609 | memcpy(skb_put(skb, l), tmp, l); | |
610 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
611 | L3AddTimer(&pc->timer, T308, CC_T308_1); | |
612 | } | |
613 | ||
614 | static void | |
615 | l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg) | |
616 | { | |
617 | L3DelTimer(&pc->timer); | |
618 | pc->para.cause = 0xE6; | |
619 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
620 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
621 | } | |
622 | ||
623 | static void | |
624 | l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg) | |
625 | { | |
626 | L3DelTimer(&pc->timer); | |
627 | pc->para.cause = 0xE6; | |
628 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
629 | pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc); | |
630 | } | |
631 | ||
632 | static void | |
633 | l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg) | |
634 | { | |
635 | L3DelTimer(&pc->timer); | |
636 | l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1); | |
637 | L3AddTimer(&pc->timer, T308, CC_T308_2); | |
638 | newl3state(pc, 19); | |
639 | } | |
640 | ||
641 | static void | |
642 | l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg) | |
643 | { | |
644 | L3DelTimer(&pc->timer); | |
645 | pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc); | |
646 | release_l3_process(pc); | |
647 | } | |
648 | ||
649 | static void | |
650 | l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg) | |
651 | { | |
652 | pc->para.cause = CAUSE_LocalProcErr; | |
653 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
654 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
655 | } | |
656 | ||
657 | static void | |
658 | l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg) | |
659 | { | |
660 | newl3state(pc, 0); | |
661 | pc->para.cause = 0x1b; /* Destination out of order */ | |
662 | pc->para.loc = 0; | |
663 | pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc); | |
664 | release_l3_process(pc); | |
665 | } | |
666 | ||
667 | /* *INDENT-OFF* */ | |
668 | static struct stateentry downstl[] = | |
669 | { | |
670 | {SBIT(0), | |
671 | CC_SETUP | REQUEST, l3_1tr6_setup_req}, | |
672 | {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) | | |
673 | SBIT(10), | |
674 | CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req}, | |
675 | {SBIT(12), | |
676 | CC_RELEASE | REQUEST, l3_1tr6_release_req}, | |
677 | {SBIT(6), | |
678 | CC_IGNORE | REQUEST, l3_1tr6_reset}, | |
679 | {SBIT(6), | |
680 | CC_REJECT | REQUEST, l3_1tr6_disconnect_req}, | |
681 | {SBIT(6), | |
682 | CC_ALERTING | REQUEST, l3_1tr6_alert_req}, | |
683 | {SBIT(6) | SBIT(7), | |
684 | CC_SETUP | RESPONSE, l3_1tr6_setup_rsp}, | |
685 | {SBIT(1), | |
686 | CC_T303, l3_1tr6_t303}, | |
687 | {SBIT(2), | |
688 | CC_T304, l3_1tr6_t304}, | |
689 | {SBIT(3), | |
690 | CC_T310, l3_1tr6_t310}, | |
691 | {SBIT(8), | |
692 | CC_T313, l3_1tr6_t313}, | |
693 | {SBIT(11), | |
694 | CC_T305, l3_1tr6_t305}, | |
695 | {SBIT(19), | |
696 | CC_T308_1, l3_1tr6_t308_1}, | |
697 | {SBIT(19), | |
698 | CC_T308_2, l3_1tr6_t308_2}, | |
699 | }; | |
700 | ||
1da177e4 LT |
701 | static struct stateentry datastln1[] = |
702 | { | |
703 | {SBIT(0), | |
704 | MT_N1_INVALID, l3_1tr6_invalid}, | |
705 | {SBIT(0), | |
706 | MT_N1_SETUP, l3_1tr6_setup}, | |
707 | {SBIT(1), | |
708 | MT_N1_SETUP_ACK, l3_1tr6_setup_ack}, | |
709 | {SBIT(1) | SBIT(2), | |
710 | MT_N1_CALL_SENT, l3_1tr6_call_sent}, | |
711 | {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10), | |
712 | MT_N1_DISC, l3_1tr6_disc}, | |
713 | {SBIT(2) | SBIT(3) | SBIT(4), | |
714 | MT_N1_ALERT, l3_1tr6_alert}, | |
715 | {SBIT(2) | SBIT(3) | SBIT(4), | |
716 | MT_N1_CONN, l3_1tr6_connect}, | |
717 | {SBIT(2), | |
718 | MT_N1_INFO, l3_1tr6_info_s2}, | |
719 | {SBIT(8), | |
720 | MT_N1_CONN_ACK, l3_1tr6_connect_ack}, | |
721 | {SBIT(10), | |
722 | MT_N1_INFO, l3_1tr6_info}, | |
723 | {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | | |
724 | SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17), | |
725 | MT_N1_REL, l3_1tr6_rel}, | |
726 | {SBIT(19), | |
727 | MT_N1_REL, l3_1tr6_rel_ack}, | |
728 | {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | | |
729 | SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17), | |
730 | MT_N1_REL_ACK, l3_1tr6_invalid}, | |
731 | {SBIT(19), | |
732 | MT_N1_REL_ACK, l3_1tr6_rel_ack} | |
733 | }; | |
734 | ||
1da177e4 LT |
735 | static struct stateentry manstatelist[] = |
736 | { | |
737 | {SBIT(2), | |
738 | DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset}, | |
739 | {ALL_STATES, | |
740 | DL_RELEASE | INDICATION, l3_1tr6_dl_release}, | |
741 | }; | |
742 | ||
1da177e4 LT |
743 | /* *INDENT-ON* */ |
744 | ||
745 | static void | |
746 | up1tr6(struct PStack *st, int pr, void *arg) | |
747 | { | |
748 | int i, mt, cr; | |
749 | struct l3_process *proc; | |
750 | struct sk_buff *skb = arg; | |
751 | char tmp[80]; | |
752 | ||
753 | switch (pr) { | |
754 | case (DL_DATA | INDICATION): | |
755 | case (DL_UNIT_DATA | INDICATION): | |
756 | break; | |
757 | case (DL_ESTABLISH | CONFIRM): | |
758 | case (DL_ESTABLISH | INDICATION): | |
759 | case (DL_RELEASE | INDICATION): | |
760 | case (DL_RELEASE | CONFIRM): | |
761 | l3_msg(st, pr, arg); | |
762 | return; | |
763 | break; | |
764 | } | |
765 | if (skb->len < 4) { | |
766 | if (st->l3.debug & L3_DEB_PROTERR) { | |
767 | sprintf(tmp, "up1tr6 len only %d", skb->len); | |
768 | l3_debug(st, tmp); | |
769 | } | |
770 | dev_kfree_skb(skb); | |
771 | return; | |
772 | } | |
773 | if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) { | |
774 | if (st->l3.debug & L3_DEB_PROTERR) { | |
775 | sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d", | |
776 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", | |
777 | skb->data[0], skb->len); | |
778 | l3_debug(st, tmp); | |
779 | } | |
780 | dev_kfree_skb(skb); | |
781 | return; | |
782 | } | |
783 | if (skb->data[1] != 1) { | |
784 | if (st->l3.debug & L3_DEB_PROTERR) { | |
785 | sprintf(tmp, "up1tr6 CR len not 1"); | |
786 | l3_debug(st, tmp); | |
787 | } | |
788 | dev_kfree_skb(skb); | |
789 | return; | |
790 | } | |
791 | cr = skb->data[2]; | |
792 | mt = skb->data[3]; | |
793 | if (skb->data[0] == PROTO_DIS_N0) { | |
794 | dev_kfree_skb(skb); | |
795 | if (st->l3.debug & L3_DEB_STATE) { | |
796 | sprintf(tmp, "up1tr6%s N0 mt %x unhandled", | |
797 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt); | |
798 | l3_debug(st, tmp); | |
799 | } | |
800 | } else if (skb->data[0] == PROTO_DIS_N1) { | |
801 | if (!(proc = getl3proc(st, cr))) { | |
802 | if (mt == MT_N1_SETUP) { | |
803 | if (cr < 128) { | |
804 | if (!(proc = new_l3_process(st, cr))) { | |
805 | if (st->l3.debug & L3_DEB_PROTERR) { | |
806 | sprintf(tmp, "up1tr6 no roc mem"); | |
807 | l3_debug(st, tmp); | |
808 | } | |
809 | dev_kfree_skb(skb); | |
810 | return; | |
811 | } | |
812 | } else { | |
813 | dev_kfree_skb(skb); | |
814 | return; | |
815 | } | |
816 | } else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) || | |
817 | (mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) || | |
818 | (mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) || | |
819 | (mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) || | |
820 | (mt == MT_N1_INFO)) { | |
821 | dev_kfree_skb(skb); | |
822 | return; | |
823 | } else { | |
824 | if (!(proc = new_l3_process(st, cr))) { | |
825 | if (st->l3.debug & L3_DEB_PROTERR) { | |
826 | sprintf(tmp, "up1tr6 no roc mem"); | |
827 | l3_debug(st, tmp); | |
828 | } | |
829 | dev_kfree_skb(skb); | |
830 | return; | |
831 | } | |
832 | mt = MT_N1_INVALID; | |
833 | } | |
834 | } | |
ba2d6ccb | 835 | for (i = 0; i < ARRAY_SIZE(datastln1); i++) |
1da177e4 LT |
836 | if ((mt == datastln1[i].primitive) && |
837 | ((1 << proc->state) & datastln1[i].state)) | |
838 | break; | |
ba2d6ccb | 839 | if (i == ARRAY_SIZE(datastln1)) { |
1da177e4 LT |
840 | dev_kfree_skb(skb); |
841 | if (st->l3.debug & L3_DEB_STATE) { | |
842 | sprintf(tmp, "up1tr6%sstate %d mt %x unhandled", | |
843 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", | |
844 | proc->state, mt); | |
845 | l3_debug(st, tmp); | |
846 | } | |
847 | return; | |
848 | } else { | |
849 | if (st->l3.debug & L3_DEB_STATE) { | |
850 | sprintf(tmp, "up1tr6%sstate %d mt %x", | |
851 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", | |
852 | proc->state, mt); | |
853 | l3_debug(st, tmp); | |
854 | } | |
855 | datastln1[i].rout(proc, pr, skb); | |
856 | } | |
857 | } | |
858 | } | |
859 | ||
860 | static void | |
861 | down1tr6(struct PStack *st, int pr, void *arg) | |
862 | { | |
863 | int i, cr; | |
864 | struct l3_process *proc; | |
865 | struct Channel *chan; | |
866 | char tmp[80]; | |
867 | ||
868 | if ((DL_ESTABLISH | REQUEST)== pr) { | |
869 | l3_msg(st, pr, NULL); | |
870 | return; | |
871 | } else if ((CC_SETUP | REQUEST) == pr) { | |
872 | chan = arg; | |
873 | cr = newcallref(); | |
874 | cr |= 0x80; | |
875 | if (!(proc = new_l3_process(st, cr))) { | |
876 | return; | |
877 | } else { | |
878 | proc->chan = chan; | |
879 | chan->proc = proc; | |
880 | memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm)); | |
881 | proc->callref = cr; | |
882 | } | |
883 | } else { | |
884 | proc = arg; | |
885 | } | |
886 | ||
ba2d6ccb | 887 | for (i = 0; i < ARRAY_SIZE(downstl); i++) |
1da177e4 LT |
888 | if ((pr == downstl[i].primitive) && |
889 | ((1 << proc->state) & downstl[i].state)) | |
890 | break; | |
ba2d6ccb | 891 | if (i == ARRAY_SIZE(downstl)) { |
1da177e4 LT |
892 | if (st->l3.debug & L3_DEB_STATE) { |
893 | sprintf(tmp, "down1tr6 state %d prim %d unhandled", | |
894 | proc->state, pr); | |
895 | l3_debug(st, tmp); | |
896 | } | |
897 | } else { | |
898 | if (st->l3.debug & L3_DEB_STATE) { | |
899 | sprintf(tmp, "down1tr6 state %d prim %d", | |
900 | proc->state, pr); | |
901 | l3_debug(st, tmp); | |
902 | } | |
903 | downstl[i].rout(proc, pr, arg); | |
904 | } | |
905 | } | |
906 | ||
907 | static void | |
908 | man1tr6(struct PStack *st, int pr, void *arg) | |
909 | { | |
910 | int i; | |
911 | struct l3_process *proc = arg; | |
912 | ||
913 | if (!proc) { | |
914 | printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr); | |
915 | return; | |
916 | } | |
ba2d6ccb | 917 | for (i = 0; i < ARRAY_SIZE(manstatelist); i++) |
1da177e4 LT |
918 | if ((pr == manstatelist[i].primitive) && |
919 | ((1 << proc->state) & manstatelist[i].state)) | |
920 | break; | |
ba2d6ccb | 921 | if (i == ARRAY_SIZE(manstatelist)) { |
1da177e4 LT |
922 | if (st->l3.debug & L3_DEB_STATE) { |
923 | l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled", | |
924 | proc->callref & 0x7f, proc->state, pr); | |
925 | } | |
926 | } else { | |
927 | if (st->l3.debug & L3_DEB_STATE) { | |
928 | l3_debug(st, "cr %d man1tr6 state %d prim %d", | |
929 | proc->callref & 0x7f, proc->state, pr); | |
930 | } | |
931 | manstatelist[i].rout(proc, pr, arg); | |
932 | } | |
933 | } | |
934 | ||
935 | void | |
936 | setstack_1tr6(struct PStack *st) | |
937 | { | |
938 | char tmp[64]; | |
939 | ||
940 | st->lli.l4l3 = down1tr6; | |
941 | st->l2.l2l3 = up1tr6; | |
942 | st->l3.l3ml3 = man1tr6; | |
943 | st->l3.N303 = 0; | |
944 | ||
945 | strcpy(tmp, l3_1tr6_revision); | |
946 | printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp)); | |
947 | } |