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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> | |
475be4d8 | 7 | * |
1da177e4 LT |
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 | 23 | |
475be4d8 JP |
24 | #define MsgHead(ptr, cref, mty, dis) \ |
25 | *ptr++ = dis; \ | |
26 | *ptr++ = 0x1; \ | |
27 | *ptr++ = cref ^ 0x80; \ | |
1da177e4 LT |
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) { | |
475be4d8 JP |
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; | |
1da177e4 LT |
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 | ||
1da177e4 | 167 | /* Channel Identification */ |
4101e976 JL |
168 | p = findie(skb->data, skb->len, WE0_chanID, 0); |
169 | if (p) { | |
1da177e4 LT |
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)) | |
475be4d8 | 179 | bcfound++; |
1da177e4 LT |
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 | /* Signal all services, linklevel takes care of Service-Indicator */ | |
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 | ||
228 | static void | |
229 | l3_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 | ||
256 | static void | |
257 | l3_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 | ||
288 | static void | |
289 | l3_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); /* T304 */ | |
295 | newl3state(pc, 4); | |
296 | pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc); | |
297 | } | |
298 | ||
299 | static void | |
300 | l3_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 | ||
328 | static void | |
329 | l3_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 | ||
336 | static void | |
337 | l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg) | |
338 | { | |
339 | struct sk_buff *skb = arg; | |
340 | ||
341 | L3DelTimer(&pc->timer); /* T310 */ | |
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 | ||
352 | static void | |
353 | l3_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 | ||
383 | static void | |
384 | l3_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 | ||
396 | static void | |
397 | l3_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 | ||
451 | static void | |
452 | l3_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 | ||
467 | static void | |
468 | l3_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 | ||
474 | static void | |
475 | l3_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) { /* SPV ? */ | |
484 | /* NSF SPV */ | |
485 | *p++ = WE0_netSpecFac; | |
486 | *p++ = 4; /* Laenge */ | |
487 | *p++ = 0; | |
488 | *p++ = FAC_SPV; /* SPV */ | |
489 | *p++ = pc->para.setup.si1; | |
490 | *p++ = pc->para.setup.si2; | |
491 | *p++ = WE0_netSpecFac; | |
492 | *p++ = 4; /* Laenge */ | |
493 | *p++ = 0; | |
494 | *p++ = FAC_Activate; /* aktiviere SPV */ | |
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 | ||
508 | static void | |
509 | l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg) | |
510 | { | |
511 | release_l3_process(pc); | |
512 | } | |
513 | ||
514 | static void | |
515 | l3_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 | /* Map DSS1 causes */ | |
527 | switch (cause & 0x7f) { | |
475be4d8 JP |
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; | |
1da177e4 LT |
537 | } |
538 | StopAllL3Timer(pc); | |
539 | MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1); | |
540 | *p++ = WE0_cause; | |
541 | *p++ = clen; /* Laenge */ | |
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 | ||
553 | static void | |
554 | l3_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 | ||
567 | static void | |
568 | l3_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 | ||
576 | static void | |
577 | l3_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 | /* Map DSS1 causes */ | |
590 | switch (cause & 0x7f) { | |
475be4d8 JP |
591 | case 0x10: |
592 | clen = 0; | |
593 | break; | |
594 | case 0x15: | |
595 | cause = CAUSE_CallRejected; | |
596 | break; | |
1da177e4 LT |
597 | } |
598 | MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1); | |
599 | *p++ = WE0_cause; | |
600 | *p++ = clen; /* Laenge */ | |
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 | ||
612 | static void | |
613 | l3_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 | ||
621 | static void | |
622 | l3_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 | ||
630 | static void | |
631 | l3_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 | ||
639 | static void | |
640 | l3_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 | ||
647 | static void | |
648 | l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg) | |
649 | { | |
475be4d8 JP |
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); | |
1da177e4 LT |
653 | } |
654 | ||
655 | static void | |
656 | l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg) | |
657 | { | |
475be4d8 JP |
658 | newl3state(pc, 0); |
659 | pc->para.cause = 0x1b; /* Destination out of order */ | |
660 | pc->para.loc = 0; | |
661 | pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc); | |
662 | release_l3_process(pc); | |
1da177e4 LT |
663 | } |
664 | ||
665 | /* *INDENT-OFF* */ | |
666 | static struct stateentry downstl[] = | |
667 | { | |
668 | {SBIT(0), | |
669 | CC_SETUP | REQUEST, l3_1tr6_setup_req}, | |
475be4d8 JP |
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}, | |
1da177e4 LT |
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 | ||
1da177e4 LT |
699 | static 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 | ||
1da177e4 LT |
733 | static struct stateentry manstatelist[] = |
734 | { | |
475be4d8 JP |
735 | {SBIT(2), |
736 | DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset}, | |
737 | {ALL_STATES, | |
738 | DL_RELEASE | INDICATION, l3_1tr6_dl_release}, | |
1da177e4 | 739 | }; |
475be4d8 | 740 | |
1da177e4 LT |
741 | /* *INDENT-ON* */ |
742 | ||
743 | static void | |
744 | up1tr6(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) { | |
475be4d8 JP |
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; | |
1da177e4 LT |
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", | |
475be4d8 | 795 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt); |
1da177e4 LT |
796 | l3_debug(st, tmp); |
797 | } | |
798 | } else if (skb->data[0] == PROTO_DIS_N1) { | |
799 | if (!(proc = getl3proc(st, cr))) { | |
475be4d8 | 800 | if (mt == MT_N1_SETUP) { |
1da177e4 LT |
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) || | |
475be4d8 JP |
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)) { | |
1da177e4 LT |
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 | } | |
ba2d6ccb | 833 | for (i = 0; i < ARRAY_SIZE(datastln1); i++) |
1da177e4 LT |
834 | if ((mt == datastln1[i].primitive) && |
835 | ((1 << proc->state) & datastln1[i].state)) | |
836 | break; | |
ba2d6ccb | 837 | if (i == ARRAY_SIZE(datastln1)) { |
1da177e4 LT |
838 | dev_kfree_skb(skb); |
839 | if (st->l3.debug & L3_DEB_STATE) { | |
840 | sprintf(tmp, "up1tr6%sstate %d mt %x unhandled", | |
475be4d8 | 841 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", |
1da177e4 LT |
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", | |
475be4d8 | 849 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", |
1da177e4 LT |
850 | proc->state, mt); |
851 | l3_debug(st, tmp); | |
852 | } | |
853 | datastln1[i].rout(proc, pr, skb); | |
854 | } | |
855 | } | |
856 | } | |
857 | ||
858 | static void | |
859 | down1tr6(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 | ||
475be4d8 | 866 | if ((DL_ESTABLISH | REQUEST) == pr) { |
1da177e4 LT |
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 | ||
ba2d6ccb | 885 | for (i = 0; i < ARRAY_SIZE(downstl); i++) |
1da177e4 LT |
886 | if ((pr == downstl[i].primitive) && |
887 | ((1 << proc->state) & downstl[i].state)) | |
888 | break; | |
ba2d6ccb | 889 | if (i == ARRAY_SIZE(downstl)) { |
1da177e4 LT |
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 | ||
905 | static void | |
906 | man1tr6(struct PStack *st, int pr, void *arg) | |
907 | { | |
475be4d8 JP |
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 | ||
1da177e4 LT |
933 | void |
934 | setstack_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 | } |