]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $ |
2 | * | |
3 | * ISDN4Linux Driver, using capi20 interface (kernelcapi) | |
4 | * | |
5 | * Copyright 1997 by Carsten Paeth <calle@calle.de> | |
6 | * | |
7 | * This software may be used and distributed according to the terms | |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/errno.h> | |
14 | #include <linux/kernel.h> | |
15 | #include <linux/major.h> | |
16 | #include <linux/sched.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/fcntl.h> | |
19 | #include <linux/fs.h> | |
20 | #include <linux/signal.h> | |
21 | #include <linux/mm.h> | |
22 | #include <linux/timer.h> | |
23 | #include <linux/wait.h> | |
24 | #include <linux/skbuff.h> | |
25 | #include <linux/isdn.h> | |
26 | #include <linux/isdnif.h> | |
27 | #include <linux/proc_fs.h> | |
28 | #include <linux/capi.h> | |
29 | #include <linux/kernelcapi.h> | |
30 | #include <linux/ctype.h> | |
31 | #include <linux/init.h> | |
32 | #include <linux/moduleparam.h> | |
33 | ||
34 | #include <linux/isdn/capiutil.h> | |
35 | #include <linux/isdn/capicmd.h> | |
36 | #include "capidrv.h" | |
37 | ||
38 | static char *revision = "$Revision: 1.1.2.2 $"; | |
39 | static int debugmode = 0; | |
40 | ||
41 | MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux"); | |
42 | MODULE_AUTHOR("Carsten Paeth"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | module_param(debugmode, uint, 0); | |
45 | ||
46 | /* -------- type definitions ----------------------------------------- */ | |
47 | ||
48 | ||
49 | struct capidrv_contr { | |
50 | ||
51 | struct capidrv_contr *next; | |
52 | struct module *owner; | |
53 | u32 contrnr; | |
54 | char name[20]; | |
55 | ||
56 | /* | |
57 | * for isdn4linux | |
58 | */ | |
59 | isdn_if interface; | |
60 | int myid; | |
61 | ||
62 | /* | |
63 | * LISTEN state | |
64 | */ | |
65 | int state; | |
66 | u32 cipmask; | |
67 | u32 cipmask2; | |
68 | struct timer_list listentimer; | |
69 | ||
70 | /* | |
71 | * ID of capi message sent | |
72 | */ | |
73 | u16 msgid; | |
74 | ||
75 | /* | |
76 | * B-Channels | |
77 | */ | |
78 | int nbchan; | |
79 | struct capidrv_bchan { | |
80 | struct capidrv_contr *contr; | |
81 | u8 msn[ISDN_MSNLEN]; | |
82 | int l2; | |
83 | int l3; | |
84 | u8 num[ISDN_MSNLEN]; | |
85 | u8 mynum[ISDN_MSNLEN]; | |
86 | int si1; | |
87 | int si2; | |
88 | int incoming; | |
89 | int disconnecting; | |
90 | struct capidrv_plci { | |
91 | struct capidrv_plci *next; | |
92 | u32 plci; | |
93 | u32 ncci; /* ncci for CONNECT_ACTIVE_IND */ | |
94 | u16 msgid; /* to identfy CONNECT_CONF */ | |
95 | int chan; | |
96 | int state; | |
97 | int leasedline; | |
98 | struct capidrv_ncci { | |
99 | struct capidrv_ncci *next; | |
100 | struct capidrv_plci *plcip; | |
101 | u32 ncci; | |
102 | u16 msgid; /* to identfy CONNECT_B3_CONF */ | |
103 | int chan; | |
104 | int state; | |
105 | int oldstate; | |
106 | /* */ | |
107 | u16 datahandle; | |
108 | struct ncci_datahandle_queue { | |
109 | struct ncci_datahandle_queue *next; | |
110 | u16 datahandle; | |
111 | int len; | |
112 | } *ackqueue; | |
113 | } *ncci_list; | |
114 | } *plcip; | |
115 | struct capidrv_ncci *nccip; | |
116 | } *bchans; | |
117 | ||
118 | struct capidrv_plci *plci_list; | |
119 | ||
120 | /* for q931 data */ | |
121 | u8 q931_buf[4096]; | |
122 | u8 *q931_read; | |
123 | u8 *q931_write; | |
124 | u8 *q931_end; | |
125 | }; | |
126 | ||
127 | ||
128 | struct capidrv_data { | |
129 | struct capi20_appl ap; | |
130 | int ncontr; | |
131 | struct capidrv_contr *contr_list; | |
132 | }; | |
133 | ||
134 | typedef struct capidrv_plci capidrv_plci; | |
135 | typedef struct capidrv_ncci capidrv_ncci; | |
136 | typedef struct capidrv_contr capidrv_contr; | |
137 | typedef struct capidrv_data capidrv_data; | |
138 | typedef struct capidrv_bchan capidrv_bchan; | |
139 | ||
140 | /* -------- data definitions ----------------------------------------- */ | |
141 | ||
142 | static capidrv_data global; | |
143 | static DEFINE_SPINLOCK(global_lock); | |
144 | ||
145 | static void handle_dtrace_data(capidrv_contr *card, | |
146 | int send, int level2, u8 *data, u16 len); | |
147 | ||
148 | /* -------- convert functions ---------------------------------------- */ | |
149 | ||
150 | static inline u32 b1prot(int l2, int l3) | |
151 | { | |
152 | switch (l2) { | |
153 | case ISDN_PROTO_L2_X75I: | |
154 | case ISDN_PROTO_L2_X75UI: | |
155 | case ISDN_PROTO_L2_X75BUI: | |
156 | return 0; | |
157 | case ISDN_PROTO_L2_HDLC: | |
158 | default: | |
159 | return 0; | |
160 | case ISDN_PROTO_L2_TRANS: | |
161 | return 1; | |
162 | case ISDN_PROTO_L2_V11096: | |
163 | case ISDN_PROTO_L2_V11019: | |
164 | case ISDN_PROTO_L2_V11038: | |
165 | return 2; | |
166 | case ISDN_PROTO_L2_FAX: | |
167 | return 4; | |
168 | case ISDN_PROTO_L2_MODEM: | |
169 | return 8; | |
170 | } | |
171 | } | |
172 | ||
173 | static inline u32 b2prot(int l2, int l3) | |
174 | { | |
175 | switch (l2) { | |
176 | case ISDN_PROTO_L2_X75I: | |
177 | case ISDN_PROTO_L2_X75UI: | |
178 | case ISDN_PROTO_L2_X75BUI: | |
179 | default: | |
180 | return 0; | |
181 | case ISDN_PROTO_L2_HDLC: | |
182 | case ISDN_PROTO_L2_TRANS: | |
183 | case ISDN_PROTO_L2_V11096: | |
184 | case ISDN_PROTO_L2_V11019: | |
185 | case ISDN_PROTO_L2_V11038: | |
186 | case ISDN_PROTO_L2_MODEM: | |
187 | return 1; | |
188 | case ISDN_PROTO_L2_FAX: | |
189 | return 4; | |
190 | } | |
191 | } | |
192 | ||
193 | static inline u32 b3prot(int l2, int l3) | |
194 | { | |
195 | switch (l2) { | |
196 | case ISDN_PROTO_L2_X75I: | |
197 | case ISDN_PROTO_L2_X75UI: | |
198 | case ISDN_PROTO_L2_X75BUI: | |
199 | case ISDN_PROTO_L2_HDLC: | |
200 | case ISDN_PROTO_L2_TRANS: | |
201 | case ISDN_PROTO_L2_V11096: | |
202 | case ISDN_PROTO_L2_V11019: | |
203 | case ISDN_PROTO_L2_V11038: | |
204 | case ISDN_PROTO_L2_MODEM: | |
205 | default: | |
206 | return 0; | |
207 | case ISDN_PROTO_L2_FAX: | |
208 | return 4; | |
209 | } | |
210 | } | |
211 | ||
212 | static _cstruct b1config_async_v110(u16 rate) | |
213 | { | |
214 | /* CAPI-Spec "B1 Configuration" */ | |
215 | static unsigned char buf[9]; | |
216 | buf[0] = 8; /* len */ | |
217 | /* maximum bitrate */ | |
218 | buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff; | |
219 | buf[3] = 8; buf[4] = 0; /* 8 bits per character */ | |
220 | buf[5] = 0; buf[6] = 0; /* parity none */ | |
221 | buf[7] = 0; buf[8] = 0; /* 1 stop bit */ | |
222 | return buf; | |
223 | } | |
224 | ||
225 | static _cstruct b1config(int l2, int l3) | |
226 | { | |
227 | switch (l2) { | |
228 | case ISDN_PROTO_L2_X75I: | |
229 | case ISDN_PROTO_L2_X75UI: | |
230 | case ISDN_PROTO_L2_X75BUI: | |
231 | case ISDN_PROTO_L2_HDLC: | |
232 | case ISDN_PROTO_L2_TRANS: | |
233 | default: | |
234 | return NULL; | |
235 | case ISDN_PROTO_L2_V11096: | |
236 | return b1config_async_v110(9600); | |
237 | case ISDN_PROTO_L2_V11019: | |
238 | return b1config_async_v110(19200); | |
239 | case ISDN_PROTO_L2_V11038: | |
240 | return b1config_async_v110(38400); | |
241 | } | |
242 | } | |
243 | ||
244 | static inline u16 si2cip(u8 si1, u8 si2) | |
245 | { | |
246 | static const u8 cip[17][5] = | |
247 | { | |
248 | /* 0 1 2 3 4 */ | |
249 | {0, 0, 0, 0, 0}, /*0 */ | |
250 | {16, 16, 4, 26, 16}, /*1 */ | |
251 | {17, 17, 17, 4, 4}, /*2 */ | |
252 | {2, 2, 2, 2, 2}, /*3 */ | |
253 | {18, 18, 18, 18, 18}, /*4 */ | |
254 | {2, 2, 2, 2, 2}, /*5 */ | |
255 | {0, 0, 0, 0, 0}, /*6 */ | |
256 | {2, 2, 2, 2, 2}, /*7 */ | |
257 | {2, 2, 2, 2, 2}, /*8 */ | |
258 | {21, 21, 21, 21, 21}, /*9 */ | |
259 | {19, 19, 19, 19, 19}, /*10 */ | |
260 | {0, 0, 0, 0, 0}, /*11 */ | |
261 | {0, 0, 0, 0, 0}, /*12 */ | |
262 | {0, 0, 0, 0, 0}, /*13 */ | |
263 | {0, 0, 0, 0, 0}, /*14 */ | |
264 | {22, 22, 22, 22, 22}, /*15 */ | |
265 | {27, 27, 27, 28, 27} /*16 */ | |
266 | }; | |
267 | if (si1 > 16) | |
268 | si1 = 0; | |
269 | if (si2 > 4) | |
270 | si2 = 0; | |
271 | ||
272 | return (u16) cip[si1][si2]; | |
273 | } | |
274 | ||
275 | static inline u8 cip2si1(u16 cipval) | |
276 | { | |
277 | static const u8 si[32] = | |
278 | {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */ | |
279 | 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */ | |
280 | 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */ | |
281 | 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */ | |
282 | ||
283 | if (cipval > 31) | |
284 | cipval = 0; /* .... */ | |
285 | return si[cipval]; | |
286 | } | |
287 | ||
288 | static inline u8 cip2si2(u16 cipval) | |
289 | { | |
290 | static const u8 si[32] = | |
291 | {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */ | |
292 | 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */ | |
293 | 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */ | |
294 | 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */ | |
295 | ||
296 | if (cipval > 31) | |
297 | cipval = 0; /* .... */ | |
298 | return si[cipval]; | |
299 | } | |
300 | ||
301 | ||
302 | /* -------- controller management ------------------------------------- */ | |
303 | ||
304 | static inline capidrv_contr *findcontrbydriverid(int driverid) | |
305 | { | |
306 | unsigned long flags; | |
307 | capidrv_contr *p; | |
308 | ||
309 | spin_lock_irqsave(&global_lock, flags); | |
310 | for (p = global.contr_list; p; p = p->next) | |
311 | if (p->myid == driverid) | |
312 | break; | |
313 | spin_unlock_irqrestore(&global_lock, flags); | |
314 | return p; | |
315 | } | |
316 | ||
317 | static capidrv_contr *findcontrbynumber(u32 contr) | |
318 | { | |
319 | unsigned long flags; | |
320 | capidrv_contr *p = global.contr_list; | |
321 | ||
322 | spin_lock_irqsave(&global_lock, flags); | |
323 | for (p = global.contr_list; p; p = p->next) | |
324 | if (p->contrnr == contr) | |
325 | break; | |
326 | spin_unlock_irqrestore(&global_lock, flags); | |
327 | return p; | |
328 | } | |
329 | ||
330 | ||
331 | /* -------- plci management ------------------------------------------ */ | |
332 | ||
333 | static capidrv_plci *new_plci(capidrv_contr * card, int chan) | |
334 | { | |
335 | capidrv_plci *plcip; | |
336 | ||
41f96935 | 337 | plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC); |
1da177e4 LT |
338 | |
339 | if (plcip == 0) | |
340 | return NULL; | |
341 | ||
1da177e4 LT |
342 | plcip->state = ST_PLCI_NONE; |
343 | plcip->plci = 0; | |
344 | plcip->msgid = 0; | |
345 | plcip->chan = chan; | |
346 | plcip->next = card->plci_list; | |
347 | card->plci_list = plcip; | |
348 | card->bchans[chan].plcip = plcip; | |
349 | ||
350 | return plcip; | |
351 | } | |
352 | ||
353 | static capidrv_plci *find_plci_by_plci(capidrv_contr * card, u32 plci) | |
354 | { | |
355 | capidrv_plci *p; | |
356 | for (p = card->plci_list; p; p = p->next) | |
357 | if (p->plci == plci) | |
358 | return p; | |
359 | return NULL; | |
360 | } | |
361 | ||
362 | static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, u16 msgid) | |
363 | { | |
364 | capidrv_plci *p; | |
365 | for (p = card->plci_list; p; p = p->next) | |
366 | if (p->msgid == msgid) | |
367 | return p; | |
368 | return NULL; | |
369 | } | |
370 | ||
371 | static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, u32 ncci) | |
372 | { | |
373 | capidrv_plci *p; | |
374 | for (p = card->plci_list; p; p = p->next) | |
375 | if (p->plci == (ncci & 0xffff)) | |
376 | return p; | |
377 | return NULL; | |
378 | } | |
379 | ||
380 | static void free_plci(capidrv_contr * card, capidrv_plci * plcip) | |
381 | { | |
382 | capidrv_plci **pp; | |
383 | ||
384 | for (pp = &card->plci_list; *pp; pp = &(*pp)->next) { | |
385 | if (*pp == plcip) { | |
386 | *pp = (*pp)->next; | |
387 | card->bchans[plcip->chan].plcip = NULL; | |
388 | card->bchans[plcip->chan].disconnecting = 0; | |
389 | card->bchans[plcip->chan].incoming = 0; | |
390 | kfree(plcip); | |
391 | return; | |
392 | } | |
393 | } | |
394 | printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n", | |
395 | card->contrnr, plcip, plcip->plci); | |
396 | } | |
397 | ||
398 | /* -------- ncci management ------------------------------------------ */ | |
399 | ||
400 | static inline capidrv_ncci *new_ncci(capidrv_contr * card, | |
401 | capidrv_plci * plcip, | |
402 | u32 ncci) | |
403 | { | |
404 | capidrv_ncci *nccip; | |
405 | ||
41f96935 | 406 | nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC); |
1da177e4 LT |
407 | |
408 | if (nccip == 0) | |
409 | return NULL; | |
410 | ||
1da177e4 LT |
411 | nccip->ncci = ncci; |
412 | nccip->state = ST_NCCI_NONE; | |
413 | nccip->plcip = plcip; | |
414 | nccip->chan = plcip->chan; | |
415 | nccip->datahandle = 0; | |
416 | ||
417 | nccip->next = plcip->ncci_list; | |
418 | plcip->ncci_list = nccip; | |
419 | ||
420 | card->bchans[plcip->chan].nccip = nccip; | |
421 | ||
422 | return nccip; | |
423 | } | |
424 | ||
425 | static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci) | |
426 | { | |
427 | capidrv_plci *plcip; | |
428 | capidrv_ncci *p; | |
429 | ||
430 | if ((plcip = find_plci_by_ncci(card, ncci)) == 0) | |
431 | return NULL; | |
432 | ||
433 | for (p = plcip->ncci_list; p; p = p->next) | |
434 | if (p->ncci == ncci) | |
435 | return p; | |
436 | return NULL; | |
437 | } | |
438 | ||
439 | static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card, | |
440 | u32 ncci, u16 msgid) | |
441 | { | |
442 | capidrv_plci *plcip; | |
443 | capidrv_ncci *p; | |
444 | ||
445 | if ((plcip = find_plci_by_ncci(card, ncci)) == 0) | |
446 | return NULL; | |
447 | ||
448 | for (p = plcip->ncci_list; p; p = p->next) | |
449 | if (p->msgid == msgid) | |
450 | return p; | |
451 | return NULL; | |
452 | } | |
453 | ||
454 | static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip) | |
455 | { | |
456 | struct capidrv_ncci **pp; | |
457 | ||
458 | for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) { | |
459 | if (*pp == nccip) { | |
460 | *pp = (*pp)->next; | |
461 | break; | |
462 | } | |
463 | } | |
464 | card->bchans[nccip->chan].nccip = NULL; | |
465 | kfree(nccip); | |
466 | } | |
467 | ||
468 | static int capidrv_add_ack(struct capidrv_ncci *nccip, | |
469 | u16 datahandle, int len) | |
470 | { | |
471 | struct ncci_datahandle_queue *n, **pp; | |
472 | ||
473 | n = (struct ncci_datahandle_queue *) | |
474 | kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC); | |
475 | if (!n) { | |
476 | printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n"); | |
477 | return -1; | |
478 | } | |
479 | n->next = NULL; | |
480 | n->datahandle = datahandle; | |
481 | n->len = len; | |
482 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) ; | |
483 | *pp = n; | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle) | |
488 | { | |
489 | struct ncci_datahandle_queue **pp, *p; | |
490 | int len; | |
491 | ||
492 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) { | |
493 | if ((*pp)->datahandle == datahandle) { | |
494 | p = *pp; | |
495 | len = p->len; | |
496 | *pp = (*pp)->next; | |
497 | kfree(p); | |
498 | return len; | |
499 | } | |
500 | } | |
501 | return -1; | |
502 | } | |
503 | ||
504 | /* -------- convert and send capi message ---------------------------- */ | |
505 | ||
506 | static void send_message(capidrv_contr * card, _cmsg * cmsg) | |
507 | { | |
508 | struct sk_buff *skb; | |
509 | size_t len; | |
510 | capi_cmsg2message(cmsg, cmsg->buf); | |
511 | len = CAPIMSG_LEN(cmsg->buf); | |
512 | skb = alloc_skb(len, GFP_ATOMIC); | |
513 | memcpy(skb_put(skb, len), cmsg->buf, len); | |
514 | if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR) | |
515 | kfree_skb(skb); | |
516 | } | |
517 | ||
518 | /* -------- state machine -------------------------------------------- */ | |
519 | ||
520 | struct listenstatechange { | |
521 | int actstate; | |
522 | int nextstate; | |
523 | int event; | |
524 | }; | |
525 | ||
526 | static struct listenstatechange listentable[] = | |
527 | { | |
528 | {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ}, | |
529 | {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ}, | |
530 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR}, | |
531 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR}, | |
532 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, | |
533 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, | |
534 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, | |
535 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, | |
536 | {}, | |
537 | }; | |
538 | ||
539 | static void listen_change_state(capidrv_contr * card, int event) | |
540 | { | |
541 | struct listenstatechange *p = listentable; | |
542 | while (p->event) { | |
543 | if (card->state == p->actstate && p->event == event) { | |
544 | if (debugmode) | |
545 | printk(KERN_DEBUG "capidrv-%d: listen_change_state %d -> %d\n", | |
546 | card->contrnr, card->state, p->nextstate); | |
547 | card->state = p->nextstate; | |
548 | return; | |
549 | } | |
550 | p++; | |
551 | } | |
552 | printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n", | |
553 | card->contrnr, card->state, event); | |
554 | ||
555 | } | |
556 | ||
557 | /* ------------------------------------------------------------------ */ | |
558 | ||
559 | static void p0(capidrv_contr * card, capidrv_plci * plci) | |
560 | { | |
561 | isdn_ctrl cmd; | |
562 | ||
563 | card->bchans[plci->chan].contr = NULL; | |
564 | cmd.command = ISDN_STAT_DHUP; | |
565 | cmd.driver = card->myid; | |
566 | cmd.arg = plci->chan; | |
567 | card->interface.statcallb(&cmd); | |
568 | free_plci(card, plci); | |
569 | } | |
570 | ||
571 | /* ------------------------------------------------------------------ */ | |
572 | ||
573 | struct plcistatechange { | |
574 | int actstate; | |
575 | int nextstate; | |
576 | int event; | |
577 | void (*changefunc) (capidrv_contr * card, capidrv_plci * plci); | |
578 | }; | |
579 | ||
580 | static struct plcistatechange plcitable[] = | |
581 | { | |
582 | /* P-0 */ | |
583 | {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL}, | |
584 | {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL}, | |
585 | {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL}, | |
586 | {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL}, | |
587 | /* P-0.1 */ | |
588 | {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0}, | |
589 | {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL}, | |
590 | /* P-1 */ | |
591 | {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
592 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
593 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
594 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
595 | /* P-ACT */ | |
596 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
597 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
598 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
599 | {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL}, | |
600 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL}, | |
601 | /* P-2 */ | |
602 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, | |
603 | {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL}, | |
604 | {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL}, | |
605 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
606 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
607 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
608 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL}, | |
609 | /* P-3 */ | |
610 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, | |
611 | {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
612 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
613 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
614 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
615 | /* P-4 */ | |
616 | {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
617 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
618 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
619 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
620 | /* P-5 */ | |
621 | {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
622 | /* P-6 */ | |
623 | {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0}, | |
624 | /* P-0.Res */ | |
625 | {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0}, | |
626 | {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL}, | |
627 | /* P-RES */ | |
628 | {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL}, | |
629 | /* P-HELD */ | |
630 | {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL}, | |
631 | {}, | |
632 | }; | |
633 | ||
634 | static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int event) | |
635 | { | |
636 | struct plcistatechange *p = plcitable; | |
637 | while (p->event) { | |
638 | if (plci->state == p->actstate && p->event == event) { | |
639 | if (debugmode) | |
640 | printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n", | |
641 | card->contrnr, plci->plci, plci->state, p->nextstate); | |
642 | plci->state = p->nextstate; | |
643 | if (p->changefunc) | |
644 | p->changefunc(card, plci); | |
645 | return; | |
646 | } | |
647 | p++; | |
648 | } | |
649 | printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n", | |
650 | card->contrnr, plci->plci, plci->state, event); | |
651 | } | |
652 | ||
653 | /* ------------------------------------------------------------------ */ | |
654 | ||
655 | static _cmsg cmsg; | |
656 | ||
657 | static void n0(capidrv_contr * card, capidrv_ncci * ncci) | |
658 | { | |
659 | isdn_ctrl cmd; | |
660 | ||
661 | capi_fill_DISCONNECT_REQ(&cmsg, | |
662 | global.ap.applid, | |
663 | card->msgid++, | |
664 | ncci->plcip->plci, | |
665 | NULL, /* BChannelinformation */ | |
666 | NULL, /* Keypadfacility */ | |
667 | NULL, /* Useruserdata */ /* $$$$ */ | |
668 | NULL /* Facilitydataarray */ | |
669 | ); | |
670 | send_message(card, &cmsg); | |
671 | plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ); | |
672 | ||
673 | cmd.command = ISDN_STAT_BHUP; | |
674 | cmd.driver = card->myid; | |
675 | cmd.arg = ncci->chan; | |
676 | card->interface.statcallb(&cmd); | |
677 | free_ncci(card, ncci); | |
678 | } | |
679 | ||
680 | /* ------------------------------------------------------------------ */ | |
681 | ||
682 | struct nccistatechange { | |
683 | int actstate; | |
684 | int nextstate; | |
685 | int event; | |
686 | void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci); | |
687 | }; | |
688 | ||
689 | static struct nccistatechange nccitable[] = | |
690 | { | |
691 | /* N-0 */ | |
692 | {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL}, | |
693 | {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL}, | |
694 | /* N-0.1 */ | |
695 | {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL}, | |
696 | {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0}, | |
697 | /* N-1 */ | |
698 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL}, | |
699 | {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL}, | |
700 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
701 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
702 | /* N-2 */ | |
703 | {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL}, | |
704 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
705 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
706 | /* N-ACT */ | |
707 | {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, | |
708 | {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL}, | |
709 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
710 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
711 | /* N-3 */ | |
712 | {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, | |
713 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
714 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
715 | /* N-4 */ | |
716 | {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
717 | {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR,NULL}, | |
718 | /* N-5 */ | |
719 | {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0}, | |
720 | {}, | |
721 | }; | |
722 | ||
723 | static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event) | |
724 | { | |
725 | struct nccistatechange *p = nccitable; | |
726 | while (p->event) { | |
727 | if (ncci->state == p->actstate && p->event == event) { | |
728 | if (debugmode) | |
729 | printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n", | |
730 | card->contrnr, ncci->ncci, ncci->state, p->nextstate); | |
731 | if (p->nextstate == ST_NCCI_PREVIOUS) { | |
732 | ncci->state = ncci->oldstate; | |
733 | ncci->oldstate = p->actstate; | |
734 | } else { | |
735 | ncci->oldstate = p->actstate; | |
736 | ncci->state = p->nextstate; | |
737 | } | |
738 | if (p->changefunc) | |
739 | p->changefunc(card, ncci); | |
740 | return; | |
741 | } | |
742 | p++; | |
743 | } | |
744 | printk(KERN_ERR "capidrv-%d: ncci_change_state:0x%x state=%d event=%d ????\n", | |
745 | card->contrnr, ncci->ncci, ncci->state, event); | |
746 | } | |
747 | ||
748 | /* ------------------------------------------------------------------- */ | |
749 | ||
750 | static inline int new_bchan(capidrv_contr * card) | |
751 | { | |
752 | int i; | |
753 | for (i = 0; i < card->nbchan; i++) { | |
754 | if (card->bchans[i].plcip == 0) { | |
755 | card->bchans[i].disconnecting = 0; | |
756 | return i; | |
757 | } | |
758 | } | |
759 | return -1; | |
760 | } | |
761 | ||
762 | /* ------------------------------------------------------------------- */ | |
763 | ||
764 | static void handle_controller(_cmsg * cmsg) | |
765 | { | |
766 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
767 | ||
768 | if (!card) { | |
769 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
770 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
771 | cmsg->adr.adrController & 0x7f); | |
772 | return; | |
773 | } | |
774 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
775 | ||
776 | case CAPI_LISTEN_CONF: /* Controller */ | |
777 | if (debugmode) | |
778 | printk(KERN_DEBUG "capidrv-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n", | |
779 | card->contrnr, cmsg->Info, capi_info2str(cmsg->Info), card->cipmask); | |
780 | if (cmsg->Info) { | |
781 | listen_change_state(card, EV_LISTEN_CONF_ERROR); | |
782 | } else if (card->cipmask == 0) { | |
783 | listen_change_state(card, EV_LISTEN_CONF_EMPTY); | |
784 | } else { | |
785 | listen_change_state(card, EV_LISTEN_CONF_OK); | |
786 | } | |
787 | break; | |
788 | ||
789 | case CAPI_MANUFACTURER_IND: /* Controller */ | |
790 | if ( cmsg->ManuID == 0x214D5641 | |
791 | && cmsg->Class == 0 | |
792 | && cmsg->Function == 1) { | |
793 | u8 *data = cmsg->ManuData+3; | |
794 | u16 len = cmsg->ManuData[0]; | |
795 | u16 layer; | |
796 | int direction; | |
797 | if (len == 255) { | |
798 | len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8)); | |
799 | data += 2; | |
800 | } | |
801 | len -= 2; | |
802 | layer = ((*(data-1)) << 8) | *(data-2); | |
803 | if (layer & 0x300) | |
804 | direction = (layer & 0x200) ? 0 : 1; | |
805 | else direction = (layer & 0x800) ? 0 : 1; | |
806 | if (layer & 0x0C00) { | |
807 | if ((layer & 0xff) == 0x80) { | |
808 | handle_dtrace_data(card, direction, 1, data, len); | |
809 | break; | |
810 | } | |
811 | } else if ((layer & 0xff) < 0x80) { | |
812 | handle_dtrace_data(card, direction, 0, data, len); | |
813 | break; | |
814 | } | |
815 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n", | |
816 | card->contrnr, | |
817 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
818 | cmsg->adr.adrController, layer); | |
819 | break; | |
820 | } | |
821 | goto ignored; | |
822 | case CAPI_MANUFACTURER_CONF: /* Controller */ | |
823 | if (cmsg->ManuID == 0x214D5641) { | |
824 | char *s = NULL; | |
825 | switch (cmsg->Class) { | |
826 | case 0: break; | |
827 | case 1: s = "unknown class"; break; | |
828 | case 2: s = "unknown function"; break; | |
829 | default: s = "unkown error"; break; | |
830 | } | |
831 | if (s) | |
832 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n", | |
833 | card->contrnr, | |
834 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
835 | cmsg->adr.adrController, | |
836 | cmsg->Function, s); | |
837 | break; | |
838 | } | |
839 | goto ignored; | |
840 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
841 | goto ignored; | |
842 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
843 | goto ignored; | |
844 | case CAPI_INFO_IND: /* Controller/plci */ | |
845 | goto ignored; | |
846 | case CAPI_INFO_CONF: /* Controller/plci */ | |
847 | goto ignored; | |
848 | ||
849 | default: | |
850 | printk(KERN_ERR "capidrv-%d: got %s from controller 0x%x ???", | |
851 | card->contrnr, | |
852 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
853 | cmsg->adr.adrController); | |
854 | } | |
855 | return; | |
856 | ||
857 | ignored: | |
858 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n", | |
859 | card->contrnr, | |
860 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
861 | cmsg->adr.adrController); | |
862 | } | |
863 | ||
864 | static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg) | |
865 | { | |
866 | capidrv_plci *plcip; | |
867 | capidrv_bchan *bchan; | |
868 | isdn_ctrl cmd; | |
869 | int chan; | |
870 | ||
871 | if ((chan = new_bchan(card)) == -1) { | |
872 | printk(KERN_ERR "capidrv-%d: incoming call on not existing bchan ?\n", card->contrnr); | |
873 | return; | |
874 | } | |
875 | bchan = &card->bchans[chan]; | |
876 | if ((plcip = new_plci(card, chan)) == 0) { | |
877 | printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr); | |
878 | return; | |
879 | } | |
880 | bchan->incoming = 1; | |
881 | plcip->plci = cmsg->adr.adrPLCI; | |
882 | plci_change_state(card, plcip, EV_PLCI_CONNECT_IND); | |
883 | ||
884 | cmd.command = ISDN_STAT_ICALL; | |
885 | cmd.driver = card->myid; | |
886 | cmd.arg = chan; | |
887 | memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup)); | |
888 | strncpy(cmd.parm.setup.phone, | |
889 | cmsg->CallingPartyNumber + 3, | |
890 | cmsg->CallingPartyNumber[0] - 2); | |
891 | strncpy(cmd.parm.setup.eazmsn, | |
892 | cmsg->CalledPartyNumber + 2, | |
893 | cmsg->CalledPartyNumber[0] - 1); | |
894 | cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue); | |
895 | cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue); | |
896 | cmd.parm.setup.plan = cmsg->CallingPartyNumber[1]; | |
897 | cmd.parm.setup.screen = cmsg->CallingPartyNumber[2]; | |
898 | ||
899 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n", | |
900 | card->contrnr, | |
901 | cmd.parm.setup.phone, | |
902 | cmd.parm.setup.si1, | |
903 | cmd.parm.setup.si2, | |
904 | cmd.parm.setup.eazmsn); | |
905 | ||
906 | if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) { | |
907 | printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n", | |
908 | card->contrnr, | |
909 | cmd.parm.setup.si2); | |
910 | cmd.parm.setup.si2 = 0; | |
911 | } | |
912 | ||
913 | switch (card->interface.statcallb(&cmd)) { | |
914 | case 0: | |
915 | case 3: | |
916 | /* No device matching this call. | |
917 | * and isdn_common.c has send a HANGUP command | |
918 | * which is ignored in state ST_PLCI_INCOMING, | |
919 | * so we send RESP to ignore the call | |
920 | */ | |
921 | capi_cmsg_answer(cmsg); | |
922 | cmsg->Reject = 1; /* ignore */ | |
923 | send_message(card, cmsg); | |
924 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); | |
925 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n", | |
926 | card->contrnr, | |
927 | cmd.parm.setup.phone, | |
928 | cmd.parm.setup.si1, | |
929 | cmd.parm.setup.si2, | |
930 | cmd.parm.setup.eazmsn); | |
931 | break; | |
932 | case 1: | |
933 | /* At least one device matching this call (RING on ttyI) | |
934 | * HL-driver may send ALERTING on the D-channel in this | |
935 | * case. | |
936 | * really means: RING on ttyI or a net interface | |
937 | * accepted this call already. | |
938 | * | |
939 | * If the call was accepted, state has already changed, | |
940 | * and CONNECT_RESP already sent. | |
941 | */ | |
942 | if (plcip->state == ST_PLCI_INCOMING) { | |
943 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n", | |
944 | card->contrnr, | |
945 | cmd.parm.setup.phone, | |
946 | cmd.parm.setup.si1, | |
947 | cmd.parm.setup.si2, | |
948 | cmd.parm.setup.eazmsn); | |
949 | capi_fill_ALERT_REQ(cmsg, | |
950 | global.ap.applid, | |
951 | card->msgid++, | |
952 | plcip->plci, /* adr */ | |
953 | NULL,/* BChannelinformation */ | |
954 | NULL,/* Keypadfacility */ | |
955 | NULL,/* Useruserdata */ | |
956 | NULL /* Facilitydataarray */ | |
957 | ); | |
958 | plcip->msgid = cmsg->Messagenumber; | |
959 | send_message(card, cmsg); | |
960 | } else { | |
961 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n", | |
962 | card->contrnr, | |
963 | cmd.parm.setup.phone, | |
964 | cmd.parm.setup.si1, | |
965 | cmd.parm.setup.si2, | |
966 | cmd.parm.setup.eazmsn); | |
967 | } | |
968 | break; | |
969 | ||
970 | case 2: /* Call will be rejected. */ | |
971 | capi_cmsg_answer(cmsg); | |
972 | cmsg->Reject = 2; /* reject call, normal call clearing */ | |
973 | send_message(card, cmsg); | |
974 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); | |
975 | break; | |
976 | ||
977 | default: | |
978 | /* An error happened. (Invalid parameters for example.) */ | |
979 | capi_cmsg_answer(cmsg); | |
980 | cmsg->Reject = 8; /* reject call, | |
981 | destination out of order */ | |
982 | send_message(card, cmsg); | |
983 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); | |
984 | break; | |
985 | } | |
986 | return; | |
987 | } | |
988 | ||
989 | static void handle_plci(_cmsg * cmsg) | |
990 | { | |
991 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
992 | capidrv_plci *plcip; | |
993 | isdn_ctrl cmd; | |
994 | ||
995 | if (!card) { | |
996 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
997 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
998 | cmsg->adr.adrController & 0x7f); | |
999 | return; | |
1000 | } | |
1001 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
1002 | ||
1003 | case CAPI_DISCONNECT_IND: /* plci */ | |
1004 | if (cmsg->Reason) { | |
1005 | printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n", | |
1006 | card->contrnr, | |
1007 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1008 | cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI); | |
1009 | } | |
1010 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) { | |
1011 | capi_cmsg_answer(cmsg); | |
1012 | send_message(card, cmsg); | |
1013 | goto notfound; | |
1014 | } | |
1015 | card->bchans[plcip->chan].disconnecting = 1; | |
1016 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND); | |
1017 | capi_cmsg_answer(cmsg); | |
1018 | send_message(card, cmsg); | |
1019 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP); | |
1020 | break; | |
1021 | ||
1022 | case CAPI_DISCONNECT_CONF: /* plci */ | |
1023 | if (cmsg->Info) { | |
1024 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1025 | card->contrnr, | |
1026 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1027 | cmsg->Info, capi_info2str(cmsg->Info), | |
1028 | cmsg->adr.adrPLCI); | |
1029 | } | |
1030 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1031 | goto notfound; | |
1032 | ||
1033 | card->bchans[plcip->chan].disconnecting = 1; | |
1034 | break; | |
1035 | ||
1036 | case CAPI_ALERT_CONF: /* plci */ | |
1037 | if (cmsg->Info) { | |
1038 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1039 | card->contrnr, | |
1040 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1041 | cmsg->Info, capi_info2str(cmsg->Info), | |
1042 | cmsg->adr.adrPLCI); | |
1043 | } | |
1044 | break; | |
1045 | ||
1046 | case CAPI_CONNECT_IND: /* plci */ | |
1047 | handle_incoming_call(card, cmsg); | |
1048 | break; | |
1049 | ||
1050 | case CAPI_CONNECT_CONF: /* plci */ | |
1051 | if (cmsg->Info) { | |
1052 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1053 | card->contrnr, | |
1054 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1055 | cmsg->Info, capi_info2str(cmsg->Info), | |
1056 | cmsg->adr.adrPLCI); | |
1057 | } | |
1058 | if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber))) | |
1059 | goto notfound; | |
1060 | ||
1061 | plcip->plci = cmsg->adr.adrPLCI; | |
1062 | if (cmsg->Info) { | |
1063 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR); | |
1064 | } else { | |
1065 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK); | |
1066 | } | |
1067 | break; | |
1068 | ||
1069 | case CAPI_CONNECT_ACTIVE_IND: /* plci */ | |
1070 | ||
1071 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1072 | goto notfound; | |
1073 | ||
1074 | if (card->bchans[plcip->chan].incoming) { | |
1075 | capi_cmsg_answer(cmsg); | |
1076 | send_message(card, cmsg); | |
1077 | plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); | |
1078 | } else { | |
1079 | capidrv_ncci *nccip; | |
1080 | capi_cmsg_answer(cmsg); | |
1081 | send_message(card, cmsg); | |
1082 | ||
1083 | nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI); | |
1084 | ||
1085 | if (!nccip) { | |
1086 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); | |
1087 | break; /* $$$$ */ | |
1088 | } | |
1089 | capi_fill_CONNECT_B3_REQ(cmsg, | |
1090 | global.ap.applid, | |
1091 | card->msgid++, | |
1092 | plcip->plci, /* adr */ | |
1093 | NULL /* NCPI */ | |
1094 | ); | |
1095 | nccip->msgid = cmsg->Messagenumber; | |
1096 | send_message(card, cmsg); | |
1097 | cmd.command = ISDN_STAT_DCONN; | |
1098 | cmd.driver = card->myid; | |
1099 | cmd.arg = plcip->chan; | |
1100 | card->interface.statcallb(&cmd); | |
1101 | plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); | |
1102 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ); | |
1103 | } | |
1104 | break; | |
1105 | ||
1106 | case CAPI_INFO_IND: /* Controller/plci */ | |
1107 | ||
1108 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1109 | goto notfound; | |
1110 | ||
1111 | if (cmsg->InfoNumber == 0x4000) { | |
1112 | if (cmsg->InfoElement[0] == 4) { | |
1113 | cmd.command = ISDN_STAT_CINF; | |
1114 | cmd.driver = card->myid; | |
1115 | cmd.arg = plcip->chan; | |
1116 | sprintf(cmd.parm.num, "%lu", | |
1117 | (unsigned long) | |
1118 | ((u32) cmsg->InfoElement[1] | |
1119 | | ((u32) (cmsg->InfoElement[2]) << 8) | |
1120 | | ((u32) (cmsg->InfoElement[3]) << 16) | |
1121 | | ((u32) (cmsg->InfoElement[4]) << 24))); | |
1122 | card->interface.statcallb(&cmd); | |
1123 | break; | |
1124 | } | |
1125 | } | |
1126 | printk(KERN_ERR "capidrv-%d: %s\n", | |
1127 | card->contrnr, capi_cmsg2str(cmsg)); | |
1128 | break; | |
1129 | ||
1130 | case CAPI_CONNECT_ACTIVE_CONF: /* plci */ | |
1131 | goto ignored; | |
1132 | case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */ | |
1133 | goto ignored; | |
1134 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
1135 | goto ignored; | |
1136 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
1137 | goto ignored; | |
1138 | ||
1139 | case CAPI_INFO_CONF: /* Controller/plci */ | |
1140 | goto ignored; | |
1141 | ||
1142 | default: | |
1143 | printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???", | |
1144 | card->contrnr, | |
1145 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1146 | cmsg->adr.adrPLCI); | |
1147 | } | |
1148 | return; | |
1149 | ignored: | |
1150 | printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n", | |
1151 | card->contrnr, | |
1152 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1153 | cmsg->adr.adrPLCI); | |
1154 | return; | |
1155 | notfound: | |
1156 | printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n", | |
1157 | card->contrnr, | |
1158 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1159 | cmsg->adr.adrPLCI); | |
1160 | return; | |
1161 | } | |
1162 | ||
1163 | static void handle_ncci(_cmsg * cmsg) | |
1164 | { | |
1165 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
1166 | capidrv_plci *plcip; | |
1167 | capidrv_ncci *nccip; | |
1168 | isdn_ctrl cmd; | |
1169 | int len; | |
1170 | ||
1171 | if (!card) { | |
1172 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
1173 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1174 | cmsg->adr.adrController & 0x7f); | |
1175 | return; | |
1176 | } | |
1177 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
1178 | ||
1179 | case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */ | |
1180 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1181 | goto notfound; | |
1182 | ||
1183 | capi_cmsg_answer(cmsg); | |
1184 | send_message(card, cmsg); | |
1185 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND); | |
1186 | ||
1187 | cmd.command = ISDN_STAT_BCONN; | |
1188 | cmd.driver = card->myid; | |
1189 | cmd.arg = nccip->chan; | |
1190 | card->interface.statcallb(&cmd); | |
1191 | ||
1192 | printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n", | |
1193 | card->contrnr, nccip->chan, nccip->ncci); | |
1194 | break; | |
1195 | ||
1196 | case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */ | |
1197 | goto ignored; | |
1198 | ||
1199 | case CAPI_CONNECT_B3_IND: /* ncci */ | |
1200 | ||
1201 | plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI); | |
1202 | if (plcip) { | |
1203 | nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI); | |
1204 | if (nccip) { | |
1205 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND); | |
1206 | capi_fill_CONNECT_B3_RESP(cmsg, | |
1207 | global.ap.applid, | |
1208 | card->msgid++, | |
1209 | nccip->ncci, /* adr */ | |
1210 | 0, /* Reject */ | |
1211 | NULL /* NCPI */ | |
1212 | ); | |
1213 | send_message(card, cmsg); | |
1214 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP); | |
1215 | break; | |
1216 | } | |
1217 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); | |
1218 | } else { | |
1219 | printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n", | |
1220 | card->contrnr, | |
1221 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1222 | cmsg->adr.adrNCCI); | |
1223 | } | |
1224 | capi_fill_CONNECT_B3_RESP(cmsg, | |
1225 | global.ap.applid, | |
1226 | card->msgid++, | |
1227 | cmsg->adr.adrNCCI, | |
1228 | 2, /* Reject */ | |
1229 | NULL /* NCPI */ | |
1230 | ); | |
1231 | send_message(card, cmsg); | |
1232 | break; | |
1233 | ||
1234 | case CAPI_CONNECT_B3_CONF: /* ncci */ | |
1235 | ||
1236 | if (!(nccip = find_ncci_by_msgid(card, | |
1237 | cmsg->adr.adrNCCI, | |
1238 | cmsg->Messagenumber))) | |
1239 | goto notfound; | |
1240 | ||
1241 | nccip->ncci = cmsg->adr.adrNCCI; | |
1242 | if (cmsg->Info) { | |
1243 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", | |
1244 | card->contrnr, | |
1245 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1246 | cmsg->Info, capi_info2str(cmsg->Info), | |
1247 | cmsg->adr.adrNCCI); | |
1248 | } | |
1249 | ||
1250 | if (cmsg->Info) | |
1251 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR); | |
1252 | else | |
1253 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK); | |
1254 | break; | |
1255 | ||
1256 | case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */ | |
1257 | capi_cmsg_answer(cmsg); | |
1258 | send_message(card, cmsg); | |
1259 | break; | |
1260 | ||
1261 | case CAPI_DATA_B3_IND: /* ncci */ | |
1262 | /* handled in handle_data() */ | |
1263 | goto ignored; | |
1264 | ||
1265 | case CAPI_DATA_B3_CONF: /* ncci */ | |
1266 | if (cmsg->Info) { | |
1267 | printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n", | |
1268 | cmsg->Info, capi_info2str(cmsg->Info)); | |
1269 | } | |
1270 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1271 | goto notfound; | |
1272 | ||
1273 | len = capidrv_del_ack(nccip, cmsg->DataHandle); | |
1274 | if (len < 0) | |
1275 | break; | |
1276 | cmd.command = ISDN_STAT_BSENT; | |
1277 | cmd.driver = card->myid; | |
1278 | cmd.arg = nccip->chan; | |
1279 | cmd.parm.length = len; | |
1280 | card->interface.statcallb(&cmd); | |
1281 | break; | |
1282 | ||
1283 | case CAPI_DISCONNECT_B3_IND: /* ncci */ | |
1284 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1285 | goto notfound; | |
1286 | ||
1287 | card->bchans[nccip->chan].disconnecting = 1; | |
1288 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND); | |
1289 | capi_cmsg_answer(cmsg); | |
1290 | send_message(card, cmsg); | |
1291 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP); | |
1292 | break; | |
1293 | ||
1294 | case CAPI_DISCONNECT_B3_CONF: /* ncci */ | |
1295 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1296 | goto notfound; | |
1297 | if (cmsg->Info) { | |
1298 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", | |
1299 | card->contrnr, | |
1300 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1301 | cmsg->Info, capi_info2str(cmsg->Info), | |
1302 | cmsg->adr.adrNCCI); | |
1303 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR); | |
1304 | } | |
1305 | break; | |
1306 | ||
1307 | case CAPI_RESET_B3_IND: /* ncci */ | |
1308 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1309 | goto notfound; | |
1310 | ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND); | |
1311 | capi_cmsg_answer(cmsg); | |
1312 | send_message(card, cmsg); | |
1313 | break; | |
1314 | ||
1315 | case CAPI_RESET_B3_CONF: /* ncci */ | |
1316 | goto ignored; /* $$$$ */ | |
1317 | ||
1318 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
1319 | goto ignored; | |
1320 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
1321 | goto ignored; | |
1322 | ||
1323 | default: | |
1324 | printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???", | |
1325 | card->contrnr, | |
1326 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1327 | cmsg->adr.adrNCCI); | |
1328 | } | |
1329 | return; | |
1330 | ignored: | |
1331 | printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n", | |
1332 | card->contrnr, | |
1333 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1334 | cmsg->adr.adrNCCI); | |
1335 | return; | |
1336 | notfound: | |
1337 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", | |
1338 | card->contrnr, | |
1339 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1340 | cmsg->adr.adrNCCI); | |
1341 | } | |
1342 | ||
1343 | ||
1344 | static void handle_data(_cmsg * cmsg, struct sk_buff *skb) | |
1345 | { | |
1346 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
1347 | capidrv_ncci *nccip; | |
1348 | ||
1349 | if (!card) { | |
1350 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
1351 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1352 | cmsg->adr.adrController & 0x7f); | |
1353 | kfree_skb(skb); | |
1354 | return; | |
1355 | } | |
1356 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) { | |
1357 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", | |
1358 | card->contrnr, | |
1359 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1360 | cmsg->adr.adrNCCI); | |
1361 | kfree_skb(skb); | |
1362 | return; | |
1363 | } | |
1364 | (void) skb_pull(skb, CAPIMSG_LEN(skb->data)); | |
1365 | card->interface.rcvcallb_skb(card->myid, nccip->chan, skb); | |
1366 | capi_cmsg_answer(cmsg); | |
1367 | send_message(card, cmsg); | |
1368 | } | |
1369 | ||
1370 | static _cmsg s_cmsg; | |
1371 | ||
1372 | static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb) | |
1373 | { | |
1374 | capi_message2cmsg(&s_cmsg, skb->data); | |
1375 | if (debugmode > 3) | |
1376 | printk(KERN_DEBUG "capidrv_signal: applid=%d %s\n", | |
1377 | ap->applid, capi_cmsg2str(&s_cmsg)); | |
1378 | ||
1379 | if (s_cmsg.Command == CAPI_DATA_B3 | |
1380 | && s_cmsg.Subcommand == CAPI_IND) { | |
1381 | handle_data(&s_cmsg, skb); | |
1382 | return; | |
1383 | } | |
1384 | if ((s_cmsg.adr.adrController & 0xffffff00) == 0) | |
1385 | handle_controller(&s_cmsg); | |
1386 | else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0) | |
1387 | handle_plci(&s_cmsg); | |
1388 | else | |
1389 | handle_ncci(&s_cmsg); | |
1390 | /* | |
1391 | * data of skb used in s_cmsg, | |
1392 | * free data when s_cmsg is not used again | |
1393 | * thanks to Lars Heete <hel@admin.de> | |
1394 | */ | |
1395 | kfree_skb(skb); | |
1396 | } | |
1397 | ||
1398 | /* ------------------------------------------------------------------- */ | |
1399 | ||
1400 | #define PUTBYTE_TO_STATUS(card, byte) \ | |
1401 | do { \ | |
1402 | *(card)->q931_write++ = (byte); \ | |
1403 | if ((card)->q931_write > (card)->q931_end) \ | |
1404 | (card)->q931_write = (card)->q931_buf; \ | |
1405 | } while (0) | |
1406 | ||
1407 | static void handle_dtrace_data(capidrv_contr *card, | |
1408 | int send, int level2, u8 *data, u16 len) | |
1409 | { | |
1410 | u8 *p, *end; | |
1411 | isdn_ctrl cmd; | |
1412 | ||
1413 | if (!len) { | |
1414 | printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n", | |
1415 | card->contrnr, len); | |
1416 | return; | |
1417 | } | |
1418 | ||
1419 | if (level2) { | |
1420 | PUTBYTE_TO_STATUS(card, 'D'); | |
1421 | PUTBYTE_TO_STATUS(card, '2'); | |
1422 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); | |
1423 | PUTBYTE_TO_STATUS(card, ':'); | |
1424 | } else { | |
1425 | PUTBYTE_TO_STATUS(card, 'D'); | |
1426 | PUTBYTE_TO_STATUS(card, '3'); | |
1427 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); | |
1428 | PUTBYTE_TO_STATUS(card, ':'); | |
1429 | } | |
1430 | ||
1431 | for (p = data, end = data+len; p < end; p++) { | |
1432 | u8 w; | |
1433 | PUTBYTE_TO_STATUS(card, ' '); | |
1434 | w = (*p >> 4) & 0xf; | |
1435 | PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w); | |
1436 | w = *p & 0xf; | |
1437 | PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w); | |
1438 | } | |
1439 | PUTBYTE_TO_STATUS(card, '\n'); | |
1440 | ||
1441 | cmd.command = ISDN_STAT_STAVAIL; | |
1442 | cmd.driver = card->myid; | |
1443 | cmd.arg = len*3+5; | |
1444 | card->interface.statcallb(&cmd); | |
1445 | } | |
1446 | ||
1447 | /* ------------------------------------------------------------------- */ | |
1448 | ||
1449 | static _cmsg cmdcmsg; | |
1450 | ||
1451 | static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card) | |
1452 | { | |
1453 | switch (c->arg) { | |
1454 | case 1: | |
1455 | debugmode = (int)(*((unsigned int *)c->parm.num)); | |
1456 | printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n", | |
1457 | card->contrnr, debugmode); | |
1458 | return 0; | |
1459 | default: | |
1460 | printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n", | |
1461 | card->contrnr, c->arg); | |
1462 | return -EINVAL; | |
1463 | } | |
1464 | return -EINVAL; | |
1465 | } | |
1466 | ||
1467 | /* | |
1468 | * Handle leased lines (CAPI-Bundling) | |
1469 | */ | |
1470 | ||
1471 | struct internal_bchannelinfo { | |
1472 | unsigned short channelalloc; | |
1473 | unsigned short operation; | |
1474 | unsigned char cmask[31]; | |
1475 | }; | |
1476 | ||
1477 | static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) | |
1478 | { | |
1479 | unsigned long bmask = 0; | |
1480 | int active = !0; | |
1481 | char *s; | |
1482 | int i; | |
1483 | ||
1484 | if (strncmp(teln, "FV:", 3) != 0) | |
1485 | return 1; | |
1486 | s = teln + 3; | |
1487 | while (*s && *s == ' ') s++; | |
1488 | if (!*s) return -2; | |
1489 | if (*s == 'p' || *s == 'P') { | |
1490 | active = 0; | |
1491 | s++; | |
1492 | } | |
1493 | if (*s == 'a' || *s == 'A') { | |
1494 | active = !0; | |
1495 | s++; | |
1496 | } | |
1497 | while (*s) { | |
1498 | int digit1 = 0; | |
1499 | int digit2 = 0; | |
1500 | if (!isdigit(*s)) return -3; | |
1501 | while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; } | |
1502 | if (digit1 <= 0 && digit1 > 30) return -4; | |
1503 | if (*s == 0 || *s == ',' || *s == ' ') { | |
1504 | bmask |= (1 << digit1); | |
1505 | digit1 = 0; | |
1506 | if (*s) s++; | |
1507 | continue; | |
1508 | } | |
1509 | if (*s != '-') return -5; | |
1510 | s++; | |
1511 | if (!isdigit(*s)) return -3; | |
1512 | while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; } | |
1513 | if (digit2 <= 0 && digit2 > 30) return -4; | |
1514 | if (*s == 0 || *s == ',' || *s == ' ') { | |
1515 | if (digit1 > digit2) | |
1516 | for (i = digit2; i <= digit1 ; i++) | |
1517 | bmask |= (1 << i); | |
1518 | else | |
1519 | for (i = digit1; i <= digit2 ; i++) | |
1520 | bmask |= (1 << i); | |
1521 | digit1 = digit2 = 0; | |
1522 | if (*s) s++; | |
1523 | continue; | |
1524 | } | |
1525 | return -6; | |
1526 | } | |
1527 | if (activep) *activep = active; | |
1528 | if (bmaskp) *bmaskp = bmask; | |
1529 | return 0; | |
1530 | } | |
1531 | ||
1532 | static int FVteln2capi20(char *teln, u8 AdditionalInfo[1+2+2+31]) | |
1533 | { | |
1534 | unsigned long bmask; | |
1535 | int active; | |
1536 | int rc, i; | |
1537 | ||
1538 | rc = decodeFVteln(teln, &bmask, &active); | |
1539 | if (rc) return rc; | |
1540 | /* Length */ | |
1541 | AdditionalInfo[0] = 2+2+31; | |
1542 | /* Channel: 3 => use channel allocation */ | |
1543 | AdditionalInfo[1] = 3; AdditionalInfo[2] = 0; | |
1544 | /* Operation: 0 => DTE mode, 1 => DCE mode */ | |
1545 | if (active) { | |
1546 | AdditionalInfo[3] = 0; AdditionalInfo[4] = 0; | |
1547 | } else { | |
1548 | AdditionalInfo[3] = 1; AdditionalInfo[4] = 0; | |
1549 | } | |
1550 | /* Channel mask array */ | |
1551 | AdditionalInfo[5] = 0; /* no D-Channel */ | |
1552 | for (i=1; i <= 30; i++) | |
1553 | AdditionalInfo[5+i] = (bmask & (1 << i)) ? 0xff : 0; | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | static int capidrv_command(isdn_ctrl * c, capidrv_contr * card) | |
1558 | { | |
1559 | isdn_ctrl cmd; | |
1560 | struct capidrv_bchan *bchan; | |
1561 | struct capidrv_plci *plcip; | |
1562 | u8 AdditionalInfo[1+2+2+31]; | |
1563 | int rc, isleasedline = 0; | |
1564 | ||
1565 | if (c->command == ISDN_CMD_IOCTL) | |
1566 | return capidrv_ioctl(c, card); | |
1567 | ||
1568 | switch (c->command) { | |
1569 | case ISDN_CMD_DIAL:{ | |
1570 | u8 calling[ISDN_MSNLEN + 3]; | |
1571 | u8 called[ISDN_MSNLEN + 2]; | |
1572 | ||
1573 | if (debugmode) | |
1574 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n", | |
1575 | card->contrnr, | |
1576 | c->arg, | |
1577 | c->parm.setup.phone, | |
1578 | c->parm.setup.si1, | |
1579 | c->parm.setup.si2, | |
1580 | c->parm.setup.eazmsn); | |
1581 | ||
1582 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1583 | ||
1584 | if (bchan->plcip) { | |
1585 | printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n", | |
1586 | card->contrnr, | |
1587 | c->arg, | |
1588 | c->parm.setup.phone, | |
1589 | c->parm.setup.si1, | |
1590 | c->parm.setup.si2, | |
1591 | c->parm.setup.eazmsn, | |
1592 | bchan->plcip->plci); | |
1593 | return 0; | |
1594 | } | |
1595 | bchan->si1 = c->parm.setup.si1; | |
1596 | bchan->si2 = c->parm.setup.si2; | |
1597 | ||
1598 | strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num)); | |
1599 | strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum)); | |
1600 | rc = FVteln2capi20(bchan->num, AdditionalInfo); | |
1601 | isleasedline = (rc == 0); | |
1602 | if (rc < 0) | |
1603 | printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num); | |
1604 | ||
1605 | if (isleasedline) { | |
1606 | calling[0] = 0; | |
1607 | called[0] = 0; | |
1608 | if (debugmode) | |
1609 | printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr); | |
1610 | } else { | |
1611 | calling[0] = strlen(bchan->mynum) + 2; | |
1612 | calling[1] = 0; | |
1613 | calling[2] = 0x80; | |
1614 | strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN); | |
1615 | called[0] = strlen(bchan->num) + 1; | |
1616 | called[1] = 0x80; | |
1617 | strncpy(called + 2, bchan->num, ISDN_MSNLEN); | |
1618 | } | |
1619 | ||
1620 | capi_fill_CONNECT_REQ(&cmdcmsg, | |
1621 | global.ap.applid, | |
1622 | card->msgid++, | |
1623 | card->contrnr, /* adr */ | |
1624 | si2cip(bchan->si1, bchan->si2), /* cipvalue */ | |
1625 | called, /* CalledPartyNumber */ | |
1626 | calling, /* CallingPartyNumber */ | |
1627 | NULL, /* CalledPartySubaddress */ | |
1628 | NULL, /* CallingPartySubaddress */ | |
1629 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ | |
1630 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ | |
1631 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ | |
1632 | b1config(bchan->l2, bchan->l3), /* B1configuration */ | |
1633 | NULL, /* B2configuration */ | |
1634 | NULL, /* B3configuration */ | |
1635 | NULL, /* BC */ | |
1636 | NULL, /* LLC */ | |
1637 | NULL, /* HLC */ | |
1638 | /* BChannelinformation */ | |
1639 | isleasedline ? AdditionalInfo : NULL, | |
1640 | NULL, /* Keypadfacility */ | |
1641 | NULL, /* Useruserdata */ | |
1642 | NULL /* Facilitydataarray */ | |
1643 | ); | |
1644 | if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) { | |
1645 | cmd.command = ISDN_STAT_DHUP; | |
1646 | cmd.driver = card->myid; | |
1647 | cmd.arg = (c->arg % card->nbchan); | |
1648 | card->interface.statcallb(&cmd); | |
1649 | return -1; | |
1650 | } | |
1651 | plcip->msgid = cmdcmsg.Messagenumber; | |
1652 | plcip->leasedline = isleasedline; | |
1653 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ); | |
1654 | send_message(card, &cmdcmsg); | |
1655 | return 0; | |
1656 | } | |
1657 | ||
1658 | case ISDN_CMD_ACCEPTD: | |
1659 | ||
1660 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1661 | if (debugmode) | |
1662 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n", | |
1663 | card->contrnr, | |
1664 | c->arg, bchan->l2, bchan->l3); | |
1665 | ||
1666 | capi_fill_CONNECT_RESP(&cmdcmsg, | |
1667 | global.ap.applid, | |
1668 | card->msgid++, | |
1669 | bchan->plcip->plci, /* adr */ | |
1670 | 0, /* Reject */ | |
1671 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ | |
1672 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ | |
1673 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ | |
1674 | b1config(bchan->l2, bchan->l3), /* B1configuration */ | |
1675 | NULL, /* B2configuration */ | |
1676 | NULL, /* B3configuration */ | |
1677 | NULL, /* ConnectedNumber */ | |
1678 | NULL, /* ConnectedSubaddress */ | |
1679 | NULL, /* LLC */ | |
1680 | NULL, /* BChannelinformation */ | |
1681 | NULL, /* Keypadfacility */ | |
1682 | NULL, /* Useruserdata */ | |
1683 | NULL /* Facilitydataarray */ | |
1684 | ); | |
1685 | capi_cmsg2message(&cmdcmsg, cmdcmsg.buf); | |
1686 | plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP); | |
1687 | send_message(card, &cmdcmsg); | |
1688 | return 0; | |
1689 | ||
1690 | case ISDN_CMD_ACCEPTB: | |
1691 | if (debugmode) | |
1692 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n", | |
1693 | card->contrnr, | |
1694 | c->arg); | |
1695 | return -ENOSYS; | |
1696 | ||
1697 | case ISDN_CMD_HANGUP: | |
1698 | if (debugmode) | |
1699 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n", | |
1700 | card->contrnr, | |
1701 | c->arg); | |
1702 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1703 | ||
1704 | if (bchan->disconnecting) { | |
1705 | if (debugmode) | |
1706 | printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n", | |
1707 | card->contrnr, | |
1708 | c->arg); | |
1709 | return 0; | |
1710 | } | |
1711 | if (bchan->nccip) { | |
1712 | bchan->disconnecting = 1; | |
1713 | capi_fill_DISCONNECT_B3_REQ(&cmdcmsg, | |
1714 | global.ap.applid, | |
1715 | card->msgid++, | |
1716 | bchan->nccip->ncci, | |
1717 | NULL /* NCPI */ | |
1718 | ); | |
1719 | ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ); | |
1720 | send_message(card, &cmdcmsg); | |
1721 | return 0; | |
1722 | } else if (bchan->plcip) { | |
1723 | if (bchan->plcip->state == ST_PLCI_INCOMING) { | |
1724 | /* | |
1725 | * just ignore, we a called from | |
1726 | * isdn_status_callback(), | |
1727 | * which will return 0 or 2, this is handled | |
1728 | * by the CONNECT_IND handler | |
1729 | */ | |
1730 | bchan->disconnecting = 1; | |
1731 | return 0; | |
1732 | } else if (bchan->plcip->plci) { | |
1733 | bchan->disconnecting = 1; | |
1734 | capi_fill_DISCONNECT_REQ(&cmdcmsg, | |
1735 | global.ap.applid, | |
1736 | card->msgid++, | |
1737 | bchan->plcip->plci, | |
1738 | NULL, /* BChannelinformation */ | |
1739 | NULL, /* Keypadfacility */ | |
1740 | NULL, /* Useruserdata */ | |
1741 | NULL /* Facilitydataarray */ | |
1742 | ); | |
1743 | plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ); | |
1744 | send_message(card, &cmdcmsg); | |
1745 | return 0; | |
1746 | } else { | |
1747 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n", | |
1748 | card->contrnr, | |
1749 | c->arg); | |
1750 | return -EINVAL; | |
1751 | } | |
1752 | } | |
1753 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n", | |
1754 | card->contrnr, | |
1755 | c->arg); | |
1756 | return -EINVAL; | |
1757 | /* ready */ | |
1758 | ||
1759 | case ISDN_CMD_SETL2: | |
1760 | if (debugmode) | |
1761 | printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n", | |
1762 | card->contrnr, | |
1763 | (c->arg & 0xff), (c->arg >> 8)); | |
1764 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; | |
1765 | bchan->l2 = (c->arg >> 8); | |
1766 | return 0; | |
1767 | ||
1768 | case ISDN_CMD_SETL3: | |
1769 | if (debugmode) | |
1770 | printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n", | |
1771 | card->contrnr, | |
1772 | (c->arg & 0xff), (c->arg >> 8)); | |
1773 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; | |
1774 | bchan->l3 = (c->arg >> 8); | |
1775 | return 0; | |
1776 | ||
1777 | case ISDN_CMD_SETEAZ: | |
1778 | if (debugmode) | |
1779 | printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n", | |
1780 | card->contrnr, | |
1781 | c->parm.num, c->arg); | |
1782 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1783 | strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN); | |
1784 | return 0; | |
1785 | ||
1786 | case ISDN_CMD_CLREAZ: | |
1787 | if (debugmode) | |
1788 | printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n", | |
1789 | card->contrnr, c->arg); | |
1790 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1791 | bchan->msn[0] = 0; | |
1792 | return 0; | |
1793 | ||
1794 | default: | |
1795 | printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n", | |
1796 | card->contrnr, c->command); | |
1797 | return -EINVAL; | |
1798 | } | |
1799 | return 0; | |
1800 | } | |
1801 | ||
1802 | static int if_command(isdn_ctrl * c) | |
1803 | { | |
1804 | capidrv_contr *card = findcontrbydriverid(c->driver); | |
1805 | ||
1806 | if (card) | |
1807 | return capidrv_command(c, card); | |
1808 | ||
1809 | printk(KERN_ERR | |
1810 | "capidrv: if_command %d called with invalid driverId %d!\n", | |
1811 | c->command, c->driver); | |
1812 | return -ENODEV; | |
1813 | } | |
1814 | ||
1815 | static _cmsg sendcmsg; | |
1816 | ||
1817 | static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb) | |
1818 | { | |
1819 | capidrv_contr *card = findcontrbydriverid(id); | |
1820 | capidrv_bchan *bchan; | |
1821 | capidrv_ncci *nccip; | |
1822 | int len = skb->len; | |
1823 | int msglen; | |
1824 | u16 errcode; | |
1825 | u16 datahandle; | |
1826 | ||
1827 | if (!card) { | |
1828 | printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n", | |
1829 | id); | |
1830 | return 0; | |
1831 | } | |
1832 | if (debugmode > 4) | |
1833 | printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n", | |
1834 | card->contrnr, len, skb, doack); | |
1835 | bchan = &card->bchans[channel % card->nbchan]; | |
1836 | nccip = bchan->nccip; | |
1837 | if (!nccip || nccip->state != ST_NCCI_ACTIVE) { | |
1838 | printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n", | |
1839 | card->contrnr, card->name, channel); | |
1840 | return 0; | |
1841 | } | |
1842 | datahandle = nccip->datahandle; | |
1843 | capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++, | |
1844 | nccip->ncci, /* adr */ | |
1845 | (u32) skb->data, /* Data */ | |
1846 | skb->len, /* DataLength */ | |
1847 | datahandle, /* DataHandle */ | |
1848 | 0 /* Flags */ | |
1849 | ); | |
1850 | ||
1851 | if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0) | |
1852 | return 0; | |
1853 | ||
1854 | capi_cmsg2message(&sendcmsg, sendcmsg.buf); | |
1855 | msglen = CAPIMSG_LEN(sendcmsg.buf); | |
1856 | if (skb_headroom(skb) < msglen) { | |
1857 | struct sk_buff *nskb = skb_realloc_headroom(skb, msglen); | |
1858 | if (!nskb) { | |
1859 | printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n", | |
1860 | card->contrnr); | |
1861 | (void)capidrv_del_ack(nccip, datahandle); | |
1862 | return 0; | |
1863 | } | |
1864 | printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n", | |
1865 | card->contrnr, skb_headroom(skb), msglen); | |
1866 | memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen); | |
1867 | errcode = capi20_put_message(&global.ap, nskb); | |
1868 | if (errcode == CAPI_NOERROR) { | |
1869 | dev_kfree_skb(skb); | |
1870 | nccip->datahandle++; | |
1871 | return len; | |
1872 | } | |
1873 | if (debugmode > 3) | |
1874 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", | |
1875 | card->contrnr, errcode, capi_info2str(errcode)); | |
1876 | (void)capidrv_del_ack(nccip, datahandle); | |
1877 | dev_kfree_skb(nskb); | |
1878 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; | |
1879 | } else { | |
1880 | memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen); | |
1881 | errcode = capi20_put_message(&global.ap, skb); | |
1882 | if (errcode == CAPI_NOERROR) { | |
1883 | nccip->datahandle++; | |
1884 | return len; | |
1885 | } | |
1886 | if (debugmode > 3) | |
1887 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", | |
1888 | card->contrnr, errcode, capi_info2str(errcode)); | |
1889 | skb_pull(skb, msglen); | |
1890 | (void)capidrv_del_ack(nccip, datahandle); | |
1891 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | static int if_readstat(u8 __user *buf, int len, int id, int channel) | |
1896 | { | |
1897 | capidrv_contr *card = findcontrbydriverid(id); | |
1898 | int count; | |
1899 | u8 __user *p; | |
1900 | ||
1901 | if (!card) { | |
1902 | printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n", | |
1903 | id); | |
1904 | return -ENODEV; | |
1905 | } | |
1906 | ||
1907 | for (p=buf, count=0; count < len; p++, count++) { | |
7786ce19 JG |
1908 | if (put_user(*card->q931_read++, p)) |
1909 | return -EFAULT; | |
1da177e4 LT |
1910 | if (card->q931_read > card->q931_end) |
1911 | card->q931_read = card->q931_buf; | |
1912 | } | |
1913 | return count; | |
1914 | ||
1915 | } | |
1916 | ||
1917 | static void enable_dchannel_trace(capidrv_contr *card) | |
1918 | { | |
1919 | u8 manufacturer[CAPI_MANUFACTURER_LEN]; | |
1920 | capi_version version; | |
1921 | u16 contr = card->contrnr; | |
1922 | u16 errcode; | |
1923 | u16 avmversion[3]; | |
1924 | ||
1925 | errcode = capi20_get_manufacturer(contr, manufacturer); | |
1926 | if (errcode != CAPI_NOERROR) { | |
1927 | printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n", | |
1928 | card->name, errcode); | |
1929 | return; | |
1930 | } | |
1931 | if (strstr(manufacturer, "AVM") == 0) { | |
1932 | printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n", | |
1933 | card->name, manufacturer); | |
1934 | return; | |
1935 | } | |
1936 | errcode = capi20_get_version(contr, &version); | |
1937 | if (errcode != CAPI_NOERROR) { | |
1938 | printk(KERN_ERR "%s: can't get version (0x%x)\n", | |
1939 | card->name, errcode); | |
1940 | return; | |
1941 | } | |
1942 | avmversion[0] = (version.majormanuversion >> 4) & 0x0f; | |
1943 | avmversion[1] = (version.majormanuversion << 4) & 0xf0; | |
1944 | avmversion[1] |= (version.minormanuversion >> 4) & 0x0f; | |
1945 | avmversion[2] |= version.minormanuversion & 0x0f; | |
1946 | ||
1947 | if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) { | |
1948 | printk(KERN_INFO "%s: D2 trace enabled\n", card->name); | |
1949 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, | |
1950 | card->msgid++, | |
1951 | contr, | |
1952 | 0x214D5641, /* ManuID */ | |
1953 | 0, /* Class */ | |
1954 | 1, /* Function */ | |
1955 | (_cstruct)"\004\200\014\000\000"); | |
1956 | } else { | |
1957 | printk(KERN_INFO "%s: D3 trace enabled\n", card->name); | |
1958 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, | |
1959 | card->msgid++, | |
1960 | contr, | |
1961 | 0x214D5641, /* ManuID */ | |
1962 | 0, /* Class */ | |
1963 | 1, /* Function */ | |
1964 | (_cstruct)"\004\002\003\000\000"); | |
1965 | } | |
1966 | send_message(card, &cmdcmsg); | |
1967 | } | |
1968 | ||
1969 | ||
1970 | static void send_listen(capidrv_contr *card) | |
1971 | { | |
1972 | capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid, | |
1973 | card->msgid++, | |
1974 | card->contrnr, /* controller */ | |
1975 | 1 << 6, /* Infomask */ | |
1976 | card->cipmask, | |
1977 | card->cipmask2, | |
1978 | NULL, NULL); | |
1979 | send_message(card, &cmdcmsg); | |
1980 | listen_change_state(card, EV_LISTEN_REQ); | |
1981 | } | |
1982 | ||
1983 | static void listentimerfunc(unsigned long x) | |
1984 | { | |
1985 | capidrv_contr *card = (capidrv_contr *)x; | |
1986 | if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE) | |
1987 | printk(KERN_ERR "%s: controller dead ??\n", card->name); | |
1988 | send_listen(card); | |
1989 | mod_timer(&card->listentimer, jiffies + 60*HZ); | |
1990 | } | |
1991 | ||
1992 | ||
1993 | static int capidrv_addcontr(u16 contr, struct capi_profile *profp) | |
1994 | { | |
1995 | capidrv_contr *card; | |
1996 | unsigned long flags; | |
1997 | isdn_ctrl cmd; | |
1998 | char id[20]; | |
1999 | int i; | |
2000 | ||
2001 | sprintf(id, "capidrv-%d", contr); | |
2002 | if (!try_module_get(THIS_MODULE)) { | |
2003 | printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id); | |
2004 | return -1; | |
2005 | } | |
41f96935 | 2006 | if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) { |
1da177e4 LT |
2007 | printk(KERN_WARNING |
2008 | "capidrv: (%s) Could not allocate contr-struct.\n", id); | |
2009 | return -1; | |
2010 | } | |
1da177e4 LT |
2011 | card->owner = THIS_MODULE; |
2012 | init_timer(&card->listentimer); | |
2013 | strcpy(card->name, id); | |
2014 | card->contrnr = contr; | |
2015 | card->nbchan = profp->nbchannel; | |
5cbded58 | 2016 | card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); |
1da177e4 LT |
2017 | if (!card->bchans) { |
2018 | printk(KERN_WARNING | |
2019 | "capidrv: (%s) Could not allocate bchan-structs.\n", id); | |
2020 | module_put(card->owner); | |
2021 | kfree(card); | |
2022 | return -1; | |
2023 | } | |
2024 | card->interface.channels = profp->nbchannel; | |
2025 | card->interface.maxbufsize = 2048; | |
2026 | card->interface.command = if_command; | |
2027 | card->interface.writebuf_skb = if_sendbuf; | |
2028 | card->interface.writecmd = NULL; | |
2029 | card->interface.readstat = if_readstat; | |
2030 | card->interface.features = ISDN_FEATURE_L2_HDLC | | |
2031 | ISDN_FEATURE_L2_TRANS | | |
2032 | ISDN_FEATURE_L3_TRANS | | |
2033 | ISDN_FEATURE_P_UNKNOWN | | |
2034 | ISDN_FEATURE_L2_X75I | | |
2035 | ISDN_FEATURE_L2_X75UI | | |
2036 | ISDN_FEATURE_L2_X75BUI; | |
2037 | if (profp->support1 & (1<<2)) | |
2038 | card->interface.features |= ISDN_FEATURE_L2_V11096 | | |
2039 | ISDN_FEATURE_L2_V11019 | | |
2040 | ISDN_FEATURE_L2_V11038; | |
2041 | if (profp->support1 & (1<<8)) | |
2042 | card->interface.features |= ISDN_FEATURE_L2_MODEM; | |
2043 | card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */ | |
2044 | strncpy(card->interface.id, id, sizeof(card->interface.id) - 1); | |
2045 | ||
2046 | ||
2047 | card->q931_read = card->q931_buf; | |
2048 | card->q931_write = card->q931_buf; | |
2049 | card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1; | |
2050 | ||
2051 | if (!register_isdn(&card->interface)) { | |
2052 | printk(KERN_ERR "capidrv: Unable to register contr %s\n", id); | |
2053 | kfree(card->bchans); | |
2054 | module_put(card->owner); | |
2055 | kfree(card); | |
2056 | return -1; | |
2057 | } | |
2058 | card->myid = card->interface.channels; | |
2059 | memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan); | |
2060 | for (i = 0; i < card->nbchan; i++) { | |
2061 | card->bchans[i].contr = card; | |
2062 | } | |
2063 | ||
2064 | spin_lock_irqsave(&global_lock, flags); | |
2065 | card->next = global.contr_list; | |
2066 | global.contr_list = card; | |
2067 | global.ncontr++; | |
2068 | spin_unlock_irqrestore(&global_lock, flags); | |
2069 | ||
2070 | cmd.command = ISDN_STAT_RUN; | |
2071 | cmd.driver = card->myid; | |
2072 | card->interface.statcallb(&cmd); | |
2073 | ||
2074 | card->cipmask = 0x1FFF03FF; /* any */ | |
2075 | card->cipmask2 = 0; | |
2076 | ||
2077 | card->listentimer.data = (unsigned long)card; | |
2078 | card->listentimer.function = listentimerfunc; | |
2079 | send_listen(card); | |
2080 | mod_timer(&card->listentimer, jiffies + 60*HZ); | |
2081 | ||
2082 | printk(KERN_INFO "%s: now up (%d B channels)\n", | |
2083 | card->name, card->nbchan); | |
2084 | ||
2085 | enable_dchannel_trace(card); | |
2086 | ||
2087 | return 0; | |
2088 | } | |
2089 | ||
2090 | static int capidrv_delcontr(u16 contr) | |
2091 | { | |
2092 | capidrv_contr **pp, *card; | |
2093 | unsigned long flags; | |
2094 | isdn_ctrl cmd; | |
2095 | ||
2096 | spin_lock_irqsave(&global_lock, flags); | |
2097 | for (card = global.contr_list; card; card = card->next) { | |
2098 | if (card->contrnr == contr) | |
2099 | break; | |
2100 | } | |
2101 | if (!card) { | |
2102 | spin_unlock_irqrestore(&global_lock, flags); | |
2103 | printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr); | |
2104 | return -1; | |
2105 | } | |
2106 | #warning FIXME: maybe a race condition the card should be removed here from global list /kkeil | |
2107 | spin_unlock_irqrestore(&global_lock, flags); | |
2108 | ||
2109 | del_timer(&card->listentimer); | |
2110 | ||
2111 | if (debugmode) | |
2112 | printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n", | |
2113 | card->contrnr, card->myid); | |
2114 | ||
2115 | cmd.command = ISDN_STAT_STOP; | |
2116 | cmd.driver = card->myid; | |
2117 | card->interface.statcallb(&cmd); | |
2118 | ||
2119 | while (card->nbchan) { | |
2120 | ||
2121 | cmd.command = ISDN_STAT_DISCH; | |
2122 | cmd.driver = card->myid; | |
2123 | cmd.arg = card->nbchan-1; | |
2124 | cmd.parm.num[0] = 0; | |
2125 | if (debugmode) | |
2126 | printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n", | |
2127 | card->contrnr, card->myid, cmd.arg); | |
2128 | card->interface.statcallb(&cmd); | |
2129 | ||
2130 | if (card->bchans[card->nbchan-1].nccip) | |
2131 | free_ncci(card, card->bchans[card->nbchan-1].nccip); | |
2132 | if (card->bchans[card->nbchan-1].plcip) | |
2133 | free_plci(card, card->bchans[card->nbchan-1].plcip); | |
2134 | if (card->plci_list) | |
2135 | printk(KERN_ERR "capidrv: bug in free_plci()\n"); | |
2136 | card->nbchan--; | |
2137 | } | |
2138 | kfree(card->bchans); | |
2139 | card->bchans = NULL; | |
2140 | ||
2141 | if (debugmode) | |
2142 | printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n", | |
2143 | card->contrnr, card->myid); | |
2144 | ||
2145 | cmd.command = ISDN_STAT_UNLOAD; | |
2146 | cmd.driver = card->myid; | |
2147 | card->interface.statcallb(&cmd); | |
2148 | ||
2149 | if (debugmode) | |
2150 | printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n", | |
2151 | card->contrnr, card->myid); | |
2152 | ||
2153 | spin_lock_irqsave(&global_lock, flags); | |
2154 | for (pp = &global.contr_list; *pp; pp = &(*pp)->next) { | |
2155 | if (*pp == card) { | |
2156 | *pp = (*pp)->next; | |
2157 | card->next = NULL; | |
2158 | global.ncontr--; | |
2159 | break; | |
2160 | } | |
2161 | } | |
2162 | spin_unlock_irqrestore(&global_lock, flags); | |
2163 | ||
2164 | module_put(card->owner); | |
2165 | printk(KERN_INFO "%s: now down.\n", card->name); | |
2166 | kfree(card); | |
2167 | return 0; | |
2168 | } | |
2169 | ||
2170 | ||
2171 | static void lower_callback(unsigned int cmd, u32 contr, void *data) | |
2172 | { | |
2173 | ||
2174 | switch (cmd) { | |
2175 | case KCI_CONTRUP: | |
2176 | printk(KERN_INFO "capidrv: controller %hu up\n", contr); | |
2177 | (void) capidrv_addcontr(contr, (capi_profile *) data); | |
2178 | break; | |
2179 | case KCI_CONTRDOWN: | |
2180 | printk(KERN_INFO "capidrv: controller %hu down\n", contr); | |
2181 | (void) capidrv_delcontr(contr); | |
2182 | break; | |
2183 | } | |
2184 | } | |
2185 | ||
2186 | /* | |
2187 | * /proc/capi/capidrv: | |
2188 | * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt | |
2189 | */ | |
2190 | static int proc_capidrv_read_proc(char *page, char **start, off_t off, | |
2191 | int count, int *eof, void *data) | |
2192 | { | |
2193 | int len = 0; | |
2194 | ||
2195 | len += sprintf(page+len, "%lu %lu %lu %lu\n", | |
2196 | global.ap.nrecvctlpkt, | |
2197 | global.ap.nrecvdatapkt, | |
2198 | global.ap.nsentctlpkt, | |
2199 | global.ap.nsentdatapkt); | |
2200 | if (off+count >= len) | |
2201 | *eof = 1; | |
2202 | if (len < off) | |
2203 | return 0; | |
2204 | *start = page + off; | |
2205 | return ((count < len-off) ? count : len-off); | |
2206 | } | |
2207 | ||
2208 | static struct procfsentries { | |
2209 | char *name; | |
2210 | mode_t mode; | |
2211 | int (*read_proc)(char *page, char **start, off_t off, | |
2212 | int count, int *eof, void *data); | |
2213 | struct proc_dir_entry *procent; | |
2214 | } procfsentries[] = { | |
2215 | /* { "capi", S_IFDIR, 0 }, */ | |
2216 | { "capi/capidrv", 0 , proc_capidrv_read_proc }, | |
2217 | }; | |
2218 | ||
2219 | static void __init proc_init(void) | |
2220 | { | |
2221 | int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]); | |
2222 | int i; | |
2223 | ||
2224 | for (i=0; i < nelem; i++) { | |
2225 | struct procfsentries *p = procfsentries + i; | |
2226 | p->procent = create_proc_entry(p->name, p->mode, NULL); | |
2227 | if (p->procent) p->procent->read_proc = p->read_proc; | |
2228 | } | |
2229 | } | |
2230 | ||
2231 | static void __exit proc_exit(void) | |
2232 | { | |
2233 | int nelem = sizeof(procfsentries)/sizeof(procfsentries[0]); | |
2234 | int i; | |
2235 | ||
2236 | for (i=nelem-1; i >= 0; i--) { | |
2237 | struct procfsentries *p = procfsentries + i; | |
2238 | if (p->procent) { | |
2239 | remove_proc_entry(p->name, NULL); | |
2240 | p->procent = NULL; | |
2241 | } | |
2242 | } | |
2243 | } | |
2244 | ||
2245 | static int __init capidrv_init(void) | |
2246 | { | |
2247 | capi_profile profile; | |
2248 | char rev[32]; | |
2249 | char *p; | |
2250 | u32 ncontr, contr; | |
2251 | u16 errcode; | |
2252 | ||
2253 | if ((p = strchr(revision, ':')) != 0 && p[1]) { | |
2254 | strncpy(rev, p + 2, sizeof(rev)); | |
2255 | rev[sizeof(rev)-1] = 0; | |
2256 | if ((p = strchr(rev, '$')) != 0 && p > rev) | |
2257 | *(p-1) = 0; | |
2258 | } else | |
2259 | strcpy(rev, "1.0"); | |
2260 | ||
2261 | global.ap.rparam.level3cnt = -2; /* number of bchannels twice */ | |
2262 | global.ap.rparam.datablkcnt = 16; | |
2263 | global.ap.rparam.datablklen = 2048; | |
2264 | ||
2265 | global.ap.recv_message = capidrv_recv_message; | |
2266 | errcode = capi20_register(&global.ap); | |
2267 | if (errcode) { | |
2268 | return -EIO; | |
2269 | } | |
2270 | ||
2271 | capi20_set_callback(&global.ap, lower_callback); | |
2272 | ||
2273 | errcode = capi20_get_profile(0, &profile); | |
2274 | if (errcode != CAPI_NOERROR) { | |
2275 | capi20_release(&global.ap); | |
2276 | return -EIO; | |
2277 | } | |
2278 | ||
2279 | ncontr = profile.ncontroller; | |
2280 | for (contr = 1; contr <= ncontr; contr++) { | |
2281 | errcode = capi20_get_profile(contr, &profile); | |
2282 | if (errcode != CAPI_NOERROR) | |
2283 | continue; | |
2284 | (void) capidrv_addcontr(contr, &profile); | |
2285 | } | |
2286 | proc_init(); | |
2287 | ||
2288 | printk(KERN_NOTICE "capidrv: Rev %s: loaded\n", rev); | |
2289 | return 0; | |
2290 | } | |
2291 | ||
2292 | static void __exit capidrv_exit(void) | |
2293 | { | |
2294 | char rev[10]; | |
2295 | char *p; | |
2296 | ||
2297 | if ((p = strchr(revision, ':')) != 0) { | |
2298 | strcpy(rev, p + 1); | |
2299 | p = strchr(rev, '$'); | |
2300 | *p = 0; | |
2301 | } else { | |
2302 | strcpy(rev, " ??? "); | |
2303 | } | |
2304 | ||
2305 | capi20_release(&global.ap); | |
2306 | ||
2307 | proc_exit(); | |
2308 | ||
2309 | printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev); | |
2310 | } | |
2311 | ||
2312 | module_init(capidrv_init); | |
2313 | module_exit(capidrv_exit); |