Commit | Line | Data |
---|---|---|
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) | |
35a4a573 | 66 | l3_debug(pc->st, "%s", msg); |
1da177e4 LT |
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; | |
1da177e4 LT |
164 | struct sk_buff *skb = arg; |
165 | ||
1da177e4 | 166 | /* Channel Identification */ |
4101e976 JL |
167 | p = findie(skb->data, skb->len, WE0_chanID, 0); |
168 | if (p) { | |
1da177e4 LT |
169 | if (p[1] != 1) { |
170 | l3_1tr6_error(pc, "setup wrong chanID len", skb); | |
171 | return; | |
172 | } | |
173 | if ((p[2] & 0xf4) != 0x80) { | |
174 | l3_1tr6_error(pc, "setup wrong WE0_chanID", skb); | |
175 | return; | |
176 | } | |
177 | if ((pc->para.bchannel = p[2] & 0x3)) | |
475be4d8 | 178 | bcfound++; |
1da177e4 LT |
179 | } else { |
180 | l3_1tr6_error(pc, "missing setup chanID", skb); | |
181 | return; | |
182 | } | |
183 | ||
184 | p = skb->data; | |
185 | if ((p = findie(p, skb->len, WE6_serviceInd, 6))) { | |
186 | pc->para.setup.si1 = p[2]; | |
187 | pc->para.setup.si2 = p[3]; | |
188 | } else { | |
189 | l3_1tr6_error(pc, "missing setup SI", skb); | |
190 | return; | |
191 | } | |
192 | ||
193 | p = skb->data; | |
194 | if ((p = findie(p, skb->len, WE0_destAddr, 0))) | |
195 | iecpy(pc->para.setup.eazmsn, p, 1); | |
196 | else | |
197 | pc->para.setup.eazmsn[0] = 0; | |
198 | ||
199 | p = skb->data; | |
200 | if ((p = findie(p, skb->len, WE0_origAddr, 0))) { | |
201 | iecpy(pc->para.setup.phone, p, 1); | |
202 | } else | |
203 | pc->para.setup.phone[0] = 0; | |
204 | ||
205 | p = skb->data; | |
206 | pc->para.spv = 0; | |
207 | if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) { | |
208 | if ((FAC_SPV == p[3]) || (FAC_Activate == p[3])) | |
209 | pc->para.spv = 1; | |
210 | } | |
211 | dev_kfree_skb(skb); | |
212 | ||
213 | /* Signal all services, linklevel takes care of Service-Indicator */ | |
214 | if (bcfound) { | |
215 | if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) { | |
35a4a573 | 216 | l3_debug(pc->st, "non-digital call: %s -> %s", |
1da177e4 LT |
217 | pc->para.setup.phone, |
218 | pc->para.setup.eazmsn); | |
1da177e4 LT |
219 | } |
220 | newl3state(pc, 6); | |
221 | pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc); | |
222 | } else | |
223 | release_l3_process(pc); | |
224 | } | |
225 | ||
226 | static void | |
227 | l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg) | |
228 | { | |
229 | u_char *p; | |
230 | struct sk_buff *skb = arg; | |
231 | ||
232 | L3DelTimer(&pc->timer); | |
233 | p = skb->data; | |
234 | newl3state(pc, 2); | |
235 | if ((p = findie(p, skb->len, WE0_chanID, 0))) { | |
236 | if (p[1] != 1) { | |
237 | l3_1tr6_error(pc, "setup_ack wrong chanID len", skb); | |
238 | return; | |
239 | } | |
240 | if ((p[2] & 0xf4) != 0x80) { | |
241 | l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb); | |
242 | return; | |
243 | } | |
244 | pc->para.bchannel = p[2] & 0x3; | |
245 | } else { | |
246 | l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb); | |
247 | return; | |
248 | } | |
249 | dev_kfree_skb(skb); | |
250 | L3AddTimer(&pc->timer, T304, CC_T304); | |
251 | pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc); | |
252 | } | |
253 | ||
254 | static void | |
255 | l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg) | |
256 | { | |
257 | u_char *p; | |
258 | struct sk_buff *skb = arg; | |
259 | ||
260 | L3DelTimer(&pc->timer); | |
261 | p = skb->data; | |
262 | if ((p = findie(p, skb->len, WE0_chanID, 0))) { | |
263 | if (p[1] != 1) { | |
264 | l3_1tr6_error(pc, "call sent wrong chanID len", skb); | |
265 | return; | |
266 | } | |
267 | if ((p[2] & 0xf4) != 0x80) { | |
268 | l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb); | |
269 | return; | |
270 | } | |
271 | if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) { | |
272 | l3_1tr6_error(pc, "call sent wrong chanID value", skb); | |
273 | return; | |
274 | } | |
275 | pc->para.bchannel = p[2] & 0x3; | |
276 | } else { | |
277 | l3_1tr6_error(pc, "missing call sent WE0_chanID", skb); | |
278 | return; | |
279 | } | |
280 | dev_kfree_skb(skb); | |
281 | L3AddTimer(&pc->timer, T310, CC_T310); | |
282 | newl3state(pc, 3); | |
283 | pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc); | |
284 | } | |
285 | ||
286 | static void | |
287 | l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg) | |
288 | { | |
289 | struct sk_buff *skb = arg; | |
290 | ||
291 | dev_kfree_skb(skb); | |
292 | L3DelTimer(&pc->timer); /* T304 */ | |
293 | newl3state(pc, 4); | |
294 | pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc); | |
295 | } | |
296 | ||
297 | static void | |
298 | l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg) | |
299 | { | |
300 | u_char *p; | |
301 | int i, tmpcharge = 0; | |
35a4a573 | 302 | char a_charge[8]; |
1da177e4 LT |
303 | struct sk_buff *skb = arg; |
304 | ||
305 | p = skb->data; | |
306 | if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) { | |
307 | iecpy(a_charge, p, 1); | |
308 | for (i = 0; i < strlen(a_charge); i++) { | |
309 | tmpcharge *= 10; | |
310 | tmpcharge += a_charge[i] & 0xf; | |
311 | } | |
312 | if (tmpcharge > pc->para.chargeinfo) { | |
313 | pc->para.chargeinfo = tmpcharge; | |
314 | pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc); | |
315 | } | |
316 | if (pc->st->l3.debug & L3_DEB_CHARGE) { | |
35a4a573 KC |
317 | l3_debug(pc->st, "charging info %d", |
318 | pc->para.chargeinfo); | |
1da177e4 LT |
319 | } |
320 | } else if (pc->st->l3.debug & L3_DEB_CHARGE) | |
321 | l3_debug(pc->st, "charging info not found"); | |
322 | dev_kfree_skb(skb); | |
323 | ||
324 | } | |
325 | ||
326 | static void | |
327 | l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg) | |
328 | { | |
329 | struct sk_buff *skb = arg; | |
330 | ||
331 | dev_kfree_skb(skb); | |
332 | } | |
333 | ||
334 | static void | |
335 | l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg) | |
336 | { | |
337 | struct sk_buff *skb = arg; | |
338 | ||
339 | L3DelTimer(&pc->timer); /* T310 */ | |
340 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
341 | l3_1tr6_error(pc, "missing connect date", skb); | |
342 | return; | |
343 | } | |
344 | newl3state(pc, 10); | |
345 | dev_kfree_skb(skb); | |
346 | pc->para.chargeinfo = 0; | |
347 | pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc); | |
348 | } | |
349 | ||
350 | static void | |
351 | l3_1tr6_rel(struct l3_process *pc, u_char pr, void *arg) | |
352 | { | |
353 | struct sk_buff *skb = arg; | |
354 | u_char *p; | |
355 | ||
356 | p = skb->data; | |
357 | if ((p = findie(p, skb->len, WE0_cause, 0))) { | |
358 | if (p[1] > 0) { | |
359 | pc->para.cause = p[2]; | |
360 | if (p[1] > 1) | |
361 | pc->para.loc = p[3]; | |
362 | else | |
363 | pc->para.loc = 0; | |
364 | } else { | |
365 | pc->para.cause = 0; | |
366 | pc->para.loc = 0; | |
367 | } | |
368 | } else { | |
369 | pc->para.cause = NO_CAUSE; | |
370 | l3_1tr6_error(pc, "missing REL cause", skb); | |
371 | return; | |
372 | } | |
373 | dev_kfree_skb(skb); | |
374 | StopAllL3Timer(pc); | |
375 | newl3state(pc, 0); | |
376 | l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1); | |
377 | pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc); | |
378 | release_l3_process(pc); | |
379 | } | |
380 | ||
381 | static void | |
382 | l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg) | |
383 | { | |
384 | struct sk_buff *skb = arg; | |
385 | ||
386 | dev_kfree_skb(skb); | |
387 | StopAllL3Timer(pc); | |
388 | newl3state(pc, 0); | |
389 | pc->para.cause = NO_CAUSE; | |
390 | pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc); | |
391 | release_l3_process(pc); | |
392 | } | |
393 | ||
394 | static void | |
395 | l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg) | |
396 | { | |
397 | struct sk_buff *skb = arg; | |
398 | u_char *p; | |
399 | int i, tmpcharge = 0; | |
35a4a573 | 400 | char a_charge[8]; |
1da177e4 LT |
401 | |
402 | StopAllL3Timer(pc); | |
403 | p = skb->data; | |
404 | if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) { | |
405 | iecpy(a_charge, p, 1); | |
406 | for (i = 0; i < strlen(a_charge); i++) { | |
407 | tmpcharge *= 10; | |
408 | tmpcharge += a_charge[i] & 0xf; | |
409 | } | |
410 | if (tmpcharge > pc->para.chargeinfo) { | |
411 | pc->para.chargeinfo = tmpcharge; | |
412 | pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc); | |
413 | } | |
414 | if (pc->st->l3.debug & L3_DEB_CHARGE) { | |
35a4a573 KC |
415 | l3_debug(pc->st, "charging info %d", |
416 | pc->para.chargeinfo); | |
1da177e4 LT |
417 | } |
418 | } else if (pc->st->l3.debug & L3_DEB_CHARGE) | |
419 | l3_debug(pc->st, "charging info not found"); | |
420 | ||
421 | ||
422 | p = skb->data; | |
423 | if ((p = findie(p, skb->len, WE0_cause, 0))) { | |
424 | if (p[1] > 0) { | |
425 | pc->para.cause = p[2]; | |
426 | if (p[1] > 1) | |
427 | pc->para.loc = p[3]; | |
428 | else | |
429 | pc->para.loc = 0; | |
430 | } else { | |
431 | pc->para.cause = 0; | |
432 | pc->para.loc = 0; | |
433 | } | |
434 | } else { | |
435 | if (pc->st->l3.debug & L3_DEB_WARN) | |
436 | l3_debug(pc->st, "cause not found"); | |
437 | pc->para.cause = NO_CAUSE; | |
438 | } | |
439 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
440 | l3_1tr6_error(pc, "missing connack date", skb); | |
441 | return; | |
442 | } | |
443 | dev_kfree_skb(skb); | |
444 | newl3state(pc, 12); | |
445 | pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc); | |
446 | } | |
447 | ||
448 | ||
449 | static void | |
450 | l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg) | |
451 | { | |
452 | struct sk_buff *skb = arg; | |
453 | ||
454 | if (!findie(skb->data, skb->len, WE6_date, 6)) { | |
455 | l3_1tr6_error(pc, "missing connack date", skb); | |
456 | return; | |
457 | } | |
458 | dev_kfree_skb(skb); | |
459 | newl3state(pc, 10); | |
460 | pc->para.chargeinfo = 0; | |
461 | L3DelTimer(&pc->timer); | |
462 | pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc); | |
463 | } | |
464 | ||
465 | static void | |
466 | l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg) | |
467 | { | |
468 | newl3state(pc, 7); | |
469 | l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1); | |
470 | } | |
471 | ||
472 | static void | |
473 | l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg) | |
474 | { | |
475 | struct sk_buff *skb; | |
476 | u_char tmp[24]; | |
477 | u_char *p = tmp; | |
478 | int l; | |
479 | ||
480 | MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1); | |
481 | if (pc->para.spv) { /* SPV ? */ | |
482 | /* NSF SPV */ | |
483 | *p++ = WE0_netSpecFac; | |
484 | *p++ = 4; /* Laenge */ | |
485 | *p++ = 0; | |
486 | *p++ = FAC_SPV; /* SPV */ | |
487 | *p++ = pc->para.setup.si1; | |
488 | *p++ = pc->para.setup.si2; | |
489 | *p++ = WE0_netSpecFac; | |
490 | *p++ = 4; /* Laenge */ | |
491 | *p++ = 0; | |
492 | *p++ = FAC_Activate; /* aktiviere SPV */ | |
493 | *p++ = pc->para.setup.si1; | |
494 | *p++ = pc->para.setup.si2; | |
495 | } | |
496 | newl3state(pc, 8); | |
497 | l = p - tmp; | |
498 | if (!(skb = l3_alloc_skb(l))) | |
499 | return; | |
500 | memcpy(skb_put(skb, l), tmp, l); | |
501 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
502 | L3DelTimer(&pc->timer); | |
503 | L3AddTimer(&pc->timer, T313, CC_T313); | |
504 | } | |
505 | ||
506 | static void | |
507 | l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg) | |
508 | { | |
509 | release_l3_process(pc); | |
510 | } | |
511 | ||
512 | static void | |
513 | l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg) | |
514 | { | |
515 | struct sk_buff *skb; | |
516 | u_char tmp[16]; | |
517 | u_char *p = tmp; | |
518 | int l; | |
519 | u_char cause = 0x10; | |
520 | u_char clen = 1; | |
521 | ||
522 | if (pc->para.cause > 0) | |
523 | cause = pc->para.cause; | |
524 | /* Map DSS1 causes */ | |
525 | switch (cause & 0x7f) { | |
475be4d8 JP |
526 | case 0x10: |
527 | clen = 0; | |
528 | break; | |
529 | case 0x11: | |
530 | cause = CAUSE_UserBusy; | |
531 | break; | |
532 | case 0x15: | |
533 | cause = CAUSE_CallRejected; | |
534 | break; | |
1da177e4 LT |
535 | } |
536 | StopAllL3Timer(pc); | |
537 | MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1); | |
538 | *p++ = WE0_cause; | |
539 | *p++ = clen; /* Laenge */ | |
540 | if (clen) | |
541 | *p++ = cause | 0x80; | |
542 | newl3state(pc, 11); | |
543 | l = p - tmp; | |
544 | if (!(skb = l3_alloc_skb(l))) | |
545 | return; | |
546 | memcpy(skb_put(skb, l), tmp, l); | |
547 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
548 | L3AddTimer(&pc->timer, T305, CC_T305); | |
549 | } | |
550 | ||
551 | static void | |
552 | l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg) | |
553 | { | |
554 | if (pc->N303 > 0) { | |
555 | pc->N303--; | |
556 | L3DelTimer(&pc->timer); | |
557 | l3_1tr6_setup_req(pc, pr, arg); | |
558 | } else { | |
559 | L3DelTimer(&pc->timer); | |
560 | pc->para.cause = 0; | |
561 | l3_1tr6_disconnect_req(pc, 0, NULL); | |
562 | } | |
563 | } | |
564 | ||
565 | static void | |
566 | l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg) | |
567 | { | |
568 | L3DelTimer(&pc->timer); | |
569 | pc->para.cause = 0xE6; | |
570 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
571 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
572 | } | |
573 | ||
574 | static void | |
575 | l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg) | |
576 | { | |
577 | struct sk_buff *skb; | |
578 | u_char tmp[16]; | |
579 | u_char *p = tmp; | |
580 | int l; | |
581 | u_char cause = 0x90; | |
582 | u_char clen = 1; | |
583 | ||
584 | L3DelTimer(&pc->timer); | |
585 | if (pc->para.cause != NO_CAUSE) | |
586 | cause = pc->para.cause; | |
587 | /* Map DSS1 causes */ | |
588 | switch (cause & 0x7f) { | |
475be4d8 JP |
589 | case 0x10: |
590 | clen = 0; | |
591 | break; | |
592 | case 0x15: | |
593 | cause = CAUSE_CallRejected; | |
594 | break; | |
1da177e4 LT |
595 | } |
596 | MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1); | |
597 | *p++ = WE0_cause; | |
598 | *p++ = clen; /* Laenge */ | |
599 | if (clen) | |
600 | *p++ = cause; | |
601 | newl3state(pc, 19); | |
602 | l = p - tmp; | |
603 | if (!(skb = l3_alloc_skb(l))) | |
604 | return; | |
605 | memcpy(skb_put(skb, l), tmp, l); | |
606 | l3_msg(pc->st, DL_DATA | REQUEST, skb); | |
607 | L3AddTimer(&pc->timer, T308, CC_T308_1); | |
608 | } | |
609 | ||
610 | static void | |
611 | l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg) | |
612 | { | |
613 | L3DelTimer(&pc->timer); | |
614 | pc->para.cause = 0xE6; | |
615 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
616 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
617 | } | |
618 | ||
619 | static void | |
620 | l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg) | |
621 | { | |
622 | L3DelTimer(&pc->timer); | |
623 | pc->para.cause = 0xE6; | |
624 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
625 | pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc); | |
626 | } | |
627 | ||
628 | static void | |
629 | l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg) | |
630 | { | |
631 | L3DelTimer(&pc->timer); | |
632 | l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1); | |
633 | L3AddTimer(&pc->timer, T308, CC_T308_2); | |
634 | newl3state(pc, 19); | |
635 | } | |
636 | ||
637 | static void | |
638 | l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg) | |
639 | { | |
640 | L3DelTimer(&pc->timer); | |
641 | pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc); | |
642 | release_l3_process(pc); | |
643 | } | |
644 | ||
645 | static void | |
646 | l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg) | |
647 | { | |
475be4d8 JP |
648 | pc->para.cause = CAUSE_LocalProcErr; |
649 | l3_1tr6_disconnect_req(pc, pr, NULL); | |
650 | pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); | |
1da177e4 LT |
651 | } |
652 | ||
653 | static void | |
654 | l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg) | |
655 | { | |
475be4d8 JP |
656 | newl3state(pc, 0); |
657 | pc->para.cause = 0x1b; /* Destination out of order */ | |
658 | pc->para.loc = 0; | |
659 | pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc); | |
660 | release_l3_process(pc); | |
1da177e4 LT |
661 | } |
662 | ||
663 | /* *INDENT-OFF* */ | |
664 | static struct stateentry downstl[] = | |
665 | { | |
666 | {SBIT(0), | |
667 | CC_SETUP | REQUEST, l3_1tr6_setup_req}, | |
475be4d8 JP |
668 | {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) | |
669 | SBIT(10), | |
670 | CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req}, | |
1da177e4 LT |
671 | {SBIT(12), |
672 | CC_RELEASE | REQUEST, l3_1tr6_release_req}, | |
673 | {SBIT(6), | |
674 | CC_IGNORE | REQUEST, l3_1tr6_reset}, | |
675 | {SBIT(6), | |
676 | CC_REJECT | REQUEST, l3_1tr6_disconnect_req}, | |
677 | {SBIT(6), | |
678 | CC_ALERTING | REQUEST, l3_1tr6_alert_req}, | |
679 | {SBIT(6) | SBIT(7), | |
680 | CC_SETUP | RESPONSE, l3_1tr6_setup_rsp}, | |
681 | {SBIT(1), | |
682 | CC_T303, l3_1tr6_t303}, | |
683 | {SBIT(2), | |
684 | CC_T304, l3_1tr6_t304}, | |
685 | {SBIT(3), | |
686 | CC_T310, l3_1tr6_t310}, | |
687 | {SBIT(8), | |
688 | CC_T313, l3_1tr6_t313}, | |
689 | {SBIT(11), | |
690 | CC_T305, l3_1tr6_t305}, | |
691 | {SBIT(19), | |
692 | CC_T308_1, l3_1tr6_t308_1}, | |
693 | {SBIT(19), | |
694 | CC_T308_2, l3_1tr6_t308_2}, | |
695 | }; | |
696 | ||
1da177e4 LT |
697 | static struct stateentry datastln1[] = |
698 | { | |
699 | {SBIT(0), | |
700 | MT_N1_INVALID, l3_1tr6_invalid}, | |
701 | {SBIT(0), | |
702 | MT_N1_SETUP, l3_1tr6_setup}, | |
703 | {SBIT(1), | |
704 | MT_N1_SETUP_ACK, l3_1tr6_setup_ack}, | |
705 | {SBIT(1) | SBIT(2), | |
706 | MT_N1_CALL_SENT, l3_1tr6_call_sent}, | |
707 | {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10), | |
708 | MT_N1_DISC, l3_1tr6_disc}, | |
709 | {SBIT(2) | SBIT(3) | SBIT(4), | |
710 | MT_N1_ALERT, l3_1tr6_alert}, | |
711 | {SBIT(2) | SBIT(3) | SBIT(4), | |
712 | MT_N1_CONN, l3_1tr6_connect}, | |
713 | {SBIT(2), | |
714 | MT_N1_INFO, l3_1tr6_info_s2}, | |
715 | {SBIT(8), | |
716 | MT_N1_CONN_ACK, l3_1tr6_connect_ack}, | |
717 | {SBIT(10), | |
718 | MT_N1_INFO, l3_1tr6_info}, | |
719 | {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | | |
720 | SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17), | |
721 | MT_N1_REL, l3_1tr6_rel}, | |
722 | {SBIT(19), | |
723 | MT_N1_REL, l3_1tr6_rel_ack}, | |
724 | {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | | |
725 | SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17), | |
726 | MT_N1_REL_ACK, l3_1tr6_invalid}, | |
727 | {SBIT(19), | |
728 | MT_N1_REL_ACK, l3_1tr6_rel_ack} | |
729 | }; | |
730 | ||
1da177e4 LT |
731 | static struct stateentry manstatelist[] = |
732 | { | |
475be4d8 JP |
733 | {SBIT(2), |
734 | DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset}, | |
735 | {ALL_STATES, | |
736 | DL_RELEASE | INDICATION, l3_1tr6_dl_release}, | |
1da177e4 | 737 | }; |
475be4d8 | 738 | |
1da177e4 LT |
739 | /* *INDENT-ON* */ |
740 | ||
741 | static void | |
742 | up1tr6(struct PStack *st, int pr, void *arg) | |
743 | { | |
744 | int i, mt, cr; | |
745 | struct l3_process *proc; | |
746 | struct sk_buff *skb = arg; | |
1da177e4 LT |
747 | |
748 | switch (pr) { | |
475be4d8 JP |
749 | case (DL_DATA | INDICATION): |
750 | case (DL_UNIT_DATA | INDICATION): | |
751 | break; | |
752 | case (DL_ESTABLISH | CONFIRM): | |
753 | case (DL_ESTABLISH | INDICATION): | |
754 | case (DL_RELEASE | INDICATION): | |
755 | case (DL_RELEASE | CONFIRM): | |
756 | l3_msg(st, pr, arg); | |
757 | return; | |
758 | break; | |
1da177e4 LT |
759 | } |
760 | if (skb->len < 4) { | |
761 | if (st->l3.debug & L3_DEB_PROTERR) { | |
35a4a573 | 762 | l3_debug(st, "up1tr6 len only %d", skb->len); |
1da177e4 LT |
763 | } |
764 | dev_kfree_skb(skb); | |
765 | return; | |
766 | } | |
767 | if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) { | |
768 | if (st->l3.debug & L3_DEB_PROTERR) { | |
35a4a573 | 769 | l3_debug(st, "up1tr6%sunexpected discriminator %x message len %d", |
1da177e4 LT |
770 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", |
771 | skb->data[0], skb->len); | |
1da177e4 LT |
772 | } |
773 | dev_kfree_skb(skb); | |
774 | return; | |
775 | } | |
776 | if (skb->data[1] != 1) { | |
777 | if (st->l3.debug & L3_DEB_PROTERR) { | |
35a4a573 | 778 | l3_debug(st, "up1tr6 CR len not 1"); |
1da177e4 LT |
779 | } |
780 | dev_kfree_skb(skb); | |
781 | return; | |
782 | } | |
783 | cr = skb->data[2]; | |
784 | mt = skb->data[3]; | |
785 | if (skb->data[0] == PROTO_DIS_N0) { | |
786 | dev_kfree_skb(skb); | |
787 | if (st->l3.debug & L3_DEB_STATE) { | |
35a4a573 | 788 | l3_debug(st, "up1tr6%s N0 mt %x unhandled", |
475be4d8 | 789 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt); |
1da177e4 LT |
790 | } |
791 | } else if (skb->data[0] == PROTO_DIS_N1) { | |
792 | if (!(proc = getl3proc(st, cr))) { | |
475be4d8 | 793 | if (mt == MT_N1_SETUP) { |
1da177e4 LT |
794 | if (cr < 128) { |
795 | if (!(proc = new_l3_process(st, cr))) { | |
796 | if (st->l3.debug & L3_DEB_PROTERR) { | |
35a4a573 | 797 | l3_debug(st, "up1tr6 no roc mem"); |
1da177e4 LT |
798 | } |
799 | dev_kfree_skb(skb); | |
800 | return; | |
801 | } | |
802 | } else { | |
803 | dev_kfree_skb(skb); | |
804 | return; | |
805 | } | |
806 | } else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) || | |
475be4d8 JP |
807 | (mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) || |
808 | (mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) || | |
809 | (mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) || | |
810 | (mt == MT_N1_INFO)) { | |
1da177e4 LT |
811 | dev_kfree_skb(skb); |
812 | return; | |
813 | } else { | |
814 | if (!(proc = new_l3_process(st, cr))) { | |
815 | if (st->l3.debug & L3_DEB_PROTERR) { | |
35a4a573 | 816 | l3_debug(st, "up1tr6 no roc mem"); |
1da177e4 LT |
817 | } |
818 | dev_kfree_skb(skb); | |
819 | return; | |
820 | } | |
821 | mt = MT_N1_INVALID; | |
822 | } | |
823 | } | |
ba2d6ccb | 824 | for (i = 0; i < ARRAY_SIZE(datastln1); i++) |
1da177e4 LT |
825 | if ((mt == datastln1[i].primitive) && |
826 | ((1 << proc->state) & datastln1[i].state)) | |
827 | break; | |
ba2d6ccb | 828 | if (i == ARRAY_SIZE(datastln1)) { |
1da177e4 LT |
829 | dev_kfree_skb(skb); |
830 | if (st->l3.debug & L3_DEB_STATE) { | |
35a4a573 | 831 | l3_debug(st, "up1tr6%sstate %d mt %x unhandled", |
475be4d8 | 832 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", |
1da177e4 | 833 | proc->state, mt); |
1da177e4 LT |
834 | } |
835 | return; | |
836 | } else { | |
837 | if (st->l3.debug & L3_DEB_STATE) { | |
35a4a573 | 838 | l3_debug(st, "up1tr6%sstate %d mt %x", |
475be4d8 | 839 | (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", |
1da177e4 | 840 | proc->state, mt); |
1da177e4 LT |
841 | } |
842 | datastln1[i].rout(proc, pr, skb); | |
843 | } | |
844 | } | |
845 | } | |
846 | ||
847 | static void | |
848 | down1tr6(struct PStack *st, int pr, void *arg) | |
849 | { | |
850 | int i, cr; | |
851 | struct l3_process *proc; | |
852 | struct Channel *chan; | |
1da177e4 | 853 | |
475be4d8 | 854 | if ((DL_ESTABLISH | REQUEST) == pr) { |
1da177e4 LT |
855 | l3_msg(st, pr, NULL); |
856 | return; | |
857 | } else if ((CC_SETUP | REQUEST) == pr) { | |
858 | chan = arg; | |
859 | cr = newcallref(); | |
860 | cr |= 0x80; | |
861 | if (!(proc = new_l3_process(st, cr))) { | |
862 | return; | |
863 | } else { | |
864 | proc->chan = chan; | |
865 | chan->proc = proc; | |
866 | memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm)); | |
867 | proc->callref = cr; | |
868 | } | |
869 | } else { | |
870 | proc = arg; | |
871 | } | |
872 | ||
ba2d6ccb | 873 | for (i = 0; i < ARRAY_SIZE(downstl); i++) |
1da177e4 LT |
874 | if ((pr == downstl[i].primitive) && |
875 | ((1 << proc->state) & downstl[i].state)) | |
876 | break; | |
ba2d6ccb | 877 | if (i == ARRAY_SIZE(downstl)) { |
1da177e4 | 878 | if (st->l3.debug & L3_DEB_STATE) { |
35a4a573 | 879 | l3_debug(st, "down1tr6 state %d prim %d unhandled", |
1da177e4 | 880 | proc->state, pr); |
1da177e4 LT |
881 | } |
882 | } else { | |
883 | if (st->l3.debug & L3_DEB_STATE) { | |
35a4a573 | 884 | l3_debug(st, "down1tr6 state %d prim %d", |
1da177e4 | 885 | proc->state, pr); |
1da177e4 LT |
886 | } |
887 | downstl[i].rout(proc, pr, arg); | |
888 | } | |
889 | } | |
890 | ||
891 | static void | |
892 | man1tr6(struct PStack *st, int pr, void *arg) | |
893 | { | |
475be4d8 JP |
894 | int i; |
895 | struct l3_process *proc = arg; | |
896 | ||
897 | if (!proc) { | |
898 | printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr); | |
899 | return; | |
900 | } | |
901 | for (i = 0; i < ARRAY_SIZE(manstatelist); i++) | |
902 | if ((pr == manstatelist[i].primitive) && | |
903 | ((1 << proc->state) & manstatelist[i].state)) | |
904 | break; | |
905 | if (i == ARRAY_SIZE(manstatelist)) { | |
906 | if (st->l3.debug & L3_DEB_STATE) { | |
907 | l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled", | |
908 | proc->callref & 0x7f, proc->state, pr); | |
909 | } | |
910 | } else { | |
911 | if (st->l3.debug & L3_DEB_STATE) { | |
912 | l3_debug(st, "cr %d man1tr6 state %d prim %d", | |
913 | proc->callref & 0x7f, proc->state, pr); | |
914 | } | |
915 | manstatelist[i].rout(proc, pr, arg); | |
916 | } | |
917 | } | |
918 | ||
1da177e4 LT |
919 | void |
920 | setstack_1tr6(struct PStack *st) | |
921 | { | |
922 | char tmp[64]; | |
923 | ||
924 | st->lli.l4l3 = down1tr6; | |
925 | st->l2.l2l3 = up1tr6; | |
926 | st->l3.l3ml3 = man1tr6; | |
927 | st->l3.N303 = 0; | |
928 | ||
929 | strcpy(tmp, l3_1tr6_revision); | |
930 | printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp)); | |
931 | } |