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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> | |
1da177e4 LT |
16 | #include <linux/slab.h> |
17 | #include <linux/fcntl.h> | |
18 | #include <linux/fs.h> | |
19 | #include <linux/signal.h> | |
20 | #include <linux/mm.h> | |
21 | #include <linux/timer.h> | |
22 | #include <linux/wait.h> | |
23 | #include <linux/skbuff.h> | |
24 | #include <linux/isdn.h> | |
25 | #include <linux/isdnif.h> | |
26 | #include <linux/proc_fs.h> | |
9a58a80a | 27 | #include <linux/seq_file.h> |
1da177e4 LT |
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 | ||
1da177e4 LT |
38 | static int debugmode = 0; |
39 | ||
40 | MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux"); | |
41 | MODULE_AUTHOR("Carsten Paeth"); | |
42 | MODULE_LICENSE("GPL"); | |
9803f796 | 43 | module_param(debugmode, uint, S_IRUGO|S_IWUSR); |
1da177e4 LT |
44 | |
45 | /* -------- type definitions ----------------------------------------- */ | |
46 | ||
47 | ||
48 | struct capidrv_contr { | |
49 | ||
50 | struct capidrv_contr *next; | |
51 | struct module *owner; | |
52 | u32 contrnr; | |
53 | char name[20]; | |
54 | ||
55 | /* | |
56 | * for isdn4linux | |
57 | */ | |
58 | isdn_if interface; | |
59 | int myid; | |
60 | ||
61 | /* | |
62 | * LISTEN state | |
63 | */ | |
64 | int state; | |
65 | u32 cipmask; | |
66 | u32 cipmask2; | |
67 | struct timer_list listentimer; | |
68 | ||
69 | /* | |
70 | * ID of capi message sent | |
71 | */ | |
72 | u16 msgid; | |
73 | ||
74 | /* | |
75 | * B-Channels | |
76 | */ | |
77 | int nbchan; | |
78 | struct capidrv_bchan { | |
79 | struct capidrv_contr *contr; | |
80 | u8 msn[ISDN_MSNLEN]; | |
81 | int l2; | |
82 | int l3; | |
83 | u8 num[ISDN_MSNLEN]; | |
84 | u8 mynum[ISDN_MSNLEN]; | |
85 | int si1; | |
86 | int si2; | |
87 | int incoming; | |
88 | int disconnecting; | |
89 | struct capidrv_plci { | |
90 | struct capidrv_plci *next; | |
91 | u32 plci; | |
92 | u32 ncci; /* ncci for CONNECT_ACTIVE_IND */ | |
93 | u16 msgid; /* to identfy CONNECT_CONF */ | |
94 | int chan; | |
95 | int state; | |
96 | int leasedline; | |
97 | struct capidrv_ncci { | |
98 | struct capidrv_ncci *next; | |
99 | struct capidrv_plci *plcip; | |
100 | u32 ncci; | |
101 | u16 msgid; /* to identfy CONNECT_B3_CONF */ | |
102 | int chan; | |
103 | int state; | |
104 | int oldstate; | |
105 | /* */ | |
106 | u16 datahandle; | |
107 | struct ncci_datahandle_queue { | |
108 | struct ncci_datahandle_queue *next; | |
109 | u16 datahandle; | |
110 | int len; | |
111 | } *ackqueue; | |
112 | } *ncci_list; | |
113 | } *plcip; | |
114 | struct capidrv_ncci *nccip; | |
115 | } *bchans; | |
116 | ||
117 | struct capidrv_plci *plci_list; | |
118 | ||
119 | /* for q931 data */ | |
120 | u8 q931_buf[4096]; | |
121 | u8 *q931_read; | |
122 | u8 *q931_write; | |
123 | u8 *q931_end; | |
124 | }; | |
125 | ||
126 | ||
127 | struct capidrv_data { | |
128 | struct capi20_appl ap; | |
129 | int ncontr; | |
130 | struct capidrv_contr *contr_list; | |
131 | }; | |
132 | ||
133 | typedef struct capidrv_plci capidrv_plci; | |
134 | typedef struct capidrv_ncci capidrv_ncci; | |
135 | typedef struct capidrv_contr capidrv_contr; | |
136 | typedef struct capidrv_data capidrv_data; | |
137 | typedef struct capidrv_bchan capidrv_bchan; | |
138 | ||
139 | /* -------- data definitions ----------------------------------------- */ | |
140 | ||
141 | static capidrv_data global; | |
142 | static DEFINE_SPINLOCK(global_lock); | |
143 | ||
144 | static void handle_dtrace_data(capidrv_contr *card, | |
145 | int send, int level2, u8 *data, u16 len); | |
146 | ||
147 | /* -------- convert functions ---------------------------------------- */ | |
148 | ||
149 | static inline u32 b1prot(int l2, int l3) | |
150 | { | |
151 | switch (l2) { | |
152 | case ISDN_PROTO_L2_X75I: | |
153 | case ISDN_PROTO_L2_X75UI: | |
154 | case ISDN_PROTO_L2_X75BUI: | |
155 | return 0; | |
156 | case ISDN_PROTO_L2_HDLC: | |
157 | default: | |
158 | return 0; | |
159 | case ISDN_PROTO_L2_TRANS: | |
160 | return 1; | |
161 | case ISDN_PROTO_L2_V11096: | |
162 | case ISDN_PROTO_L2_V11019: | |
163 | case ISDN_PROTO_L2_V11038: | |
164 | return 2; | |
165 | case ISDN_PROTO_L2_FAX: | |
166 | return 4; | |
167 | case ISDN_PROTO_L2_MODEM: | |
168 | return 8; | |
169 | } | |
170 | } | |
171 | ||
172 | static inline u32 b2prot(int l2, int l3) | |
173 | { | |
174 | switch (l2) { | |
175 | case ISDN_PROTO_L2_X75I: | |
176 | case ISDN_PROTO_L2_X75UI: | |
177 | case ISDN_PROTO_L2_X75BUI: | |
178 | default: | |
179 | return 0; | |
180 | case ISDN_PROTO_L2_HDLC: | |
181 | case ISDN_PROTO_L2_TRANS: | |
182 | case ISDN_PROTO_L2_V11096: | |
183 | case ISDN_PROTO_L2_V11019: | |
184 | case ISDN_PROTO_L2_V11038: | |
185 | case ISDN_PROTO_L2_MODEM: | |
186 | return 1; | |
187 | case ISDN_PROTO_L2_FAX: | |
188 | return 4; | |
189 | } | |
190 | } | |
191 | ||
192 | static inline u32 b3prot(int l2, int l3) | |
193 | { | |
194 | switch (l2) { | |
195 | case ISDN_PROTO_L2_X75I: | |
196 | case ISDN_PROTO_L2_X75UI: | |
197 | case ISDN_PROTO_L2_X75BUI: | |
198 | case ISDN_PROTO_L2_HDLC: | |
199 | case ISDN_PROTO_L2_TRANS: | |
200 | case ISDN_PROTO_L2_V11096: | |
201 | case ISDN_PROTO_L2_V11019: | |
202 | case ISDN_PROTO_L2_V11038: | |
203 | case ISDN_PROTO_L2_MODEM: | |
204 | default: | |
205 | return 0; | |
206 | case ISDN_PROTO_L2_FAX: | |
207 | return 4; | |
208 | } | |
209 | } | |
210 | ||
211 | static _cstruct b1config_async_v110(u16 rate) | |
212 | { | |
213 | /* CAPI-Spec "B1 Configuration" */ | |
214 | static unsigned char buf[9]; | |
215 | buf[0] = 8; /* len */ | |
216 | /* maximum bitrate */ | |
217 | buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff; | |
218 | buf[3] = 8; buf[4] = 0; /* 8 bits per character */ | |
219 | buf[5] = 0; buf[6] = 0; /* parity none */ | |
220 | buf[7] = 0; buf[8] = 0; /* 1 stop bit */ | |
221 | return buf; | |
222 | } | |
223 | ||
224 | static _cstruct b1config(int l2, int l3) | |
225 | { | |
226 | switch (l2) { | |
227 | case ISDN_PROTO_L2_X75I: | |
228 | case ISDN_PROTO_L2_X75UI: | |
229 | case ISDN_PROTO_L2_X75BUI: | |
230 | case ISDN_PROTO_L2_HDLC: | |
231 | case ISDN_PROTO_L2_TRANS: | |
232 | default: | |
233 | return NULL; | |
234 | case ISDN_PROTO_L2_V11096: | |
235 | return b1config_async_v110(9600); | |
236 | case ISDN_PROTO_L2_V11019: | |
237 | return b1config_async_v110(19200); | |
238 | case ISDN_PROTO_L2_V11038: | |
239 | return b1config_async_v110(38400); | |
240 | } | |
241 | } | |
242 | ||
243 | static inline u16 si2cip(u8 si1, u8 si2) | |
244 | { | |
245 | static const u8 cip[17][5] = | |
246 | { | |
247 | /* 0 1 2 3 4 */ | |
248 | {0, 0, 0, 0, 0}, /*0 */ | |
249 | {16, 16, 4, 26, 16}, /*1 */ | |
250 | {17, 17, 17, 4, 4}, /*2 */ | |
251 | {2, 2, 2, 2, 2}, /*3 */ | |
252 | {18, 18, 18, 18, 18}, /*4 */ | |
253 | {2, 2, 2, 2, 2}, /*5 */ | |
254 | {0, 0, 0, 0, 0}, /*6 */ | |
255 | {2, 2, 2, 2, 2}, /*7 */ | |
256 | {2, 2, 2, 2, 2}, /*8 */ | |
257 | {21, 21, 21, 21, 21}, /*9 */ | |
258 | {19, 19, 19, 19, 19}, /*10 */ | |
259 | {0, 0, 0, 0, 0}, /*11 */ | |
260 | {0, 0, 0, 0, 0}, /*12 */ | |
261 | {0, 0, 0, 0, 0}, /*13 */ | |
262 | {0, 0, 0, 0, 0}, /*14 */ | |
263 | {22, 22, 22, 22, 22}, /*15 */ | |
264 | {27, 27, 27, 28, 27} /*16 */ | |
265 | }; | |
266 | if (si1 > 16) | |
267 | si1 = 0; | |
268 | if (si2 > 4) | |
269 | si2 = 0; | |
270 | ||
271 | return (u16) cip[si1][si2]; | |
272 | } | |
273 | ||
274 | static inline u8 cip2si1(u16 cipval) | |
275 | { | |
276 | static const u8 si[32] = | |
277 | {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */ | |
278 | 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */ | |
279 | 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */ | |
280 | 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */ | |
281 | ||
282 | if (cipval > 31) | |
283 | cipval = 0; /* .... */ | |
284 | return si[cipval]; | |
285 | } | |
286 | ||
287 | static inline u8 cip2si2(u16 cipval) | |
288 | { | |
289 | static const u8 si[32] = | |
290 | {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */ | |
291 | 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */ | |
292 | 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */ | |
293 | 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */ | |
294 | ||
295 | if (cipval > 31) | |
296 | cipval = 0; /* .... */ | |
297 | return si[cipval]; | |
298 | } | |
299 | ||
300 | ||
301 | /* -------- controller management ------------------------------------- */ | |
302 | ||
303 | static inline capidrv_contr *findcontrbydriverid(int driverid) | |
304 | { | |
305 | unsigned long flags; | |
306 | capidrv_contr *p; | |
307 | ||
308 | spin_lock_irqsave(&global_lock, flags); | |
309 | for (p = global.contr_list; p; p = p->next) | |
310 | if (p->myid == driverid) | |
311 | break; | |
312 | spin_unlock_irqrestore(&global_lock, flags); | |
313 | return p; | |
314 | } | |
315 | ||
316 | static capidrv_contr *findcontrbynumber(u32 contr) | |
317 | { | |
318 | unsigned long flags; | |
319 | capidrv_contr *p = global.contr_list; | |
320 | ||
321 | spin_lock_irqsave(&global_lock, flags); | |
322 | for (p = global.contr_list; p; p = p->next) | |
323 | if (p->contrnr == contr) | |
324 | break; | |
325 | spin_unlock_irqrestore(&global_lock, flags); | |
326 | return p; | |
327 | } | |
328 | ||
329 | ||
330 | /* -------- plci management ------------------------------------------ */ | |
331 | ||
332 | static capidrv_plci *new_plci(capidrv_contr * card, int chan) | |
333 | { | |
334 | capidrv_plci *plcip; | |
335 | ||
41f96935 | 336 | plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC); |
1da177e4 | 337 | |
2f9e9b6d | 338 | if (plcip == NULL) |
1da177e4 LT |
339 | return NULL; |
340 | ||
1da177e4 LT |
341 | plcip->state = ST_PLCI_NONE; |
342 | plcip->plci = 0; | |
343 | plcip->msgid = 0; | |
344 | plcip->chan = chan; | |
345 | plcip->next = card->plci_list; | |
346 | card->plci_list = plcip; | |
347 | card->bchans[chan].plcip = plcip; | |
348 | ||
349 | return plcip; | |
350 | } | |
351 | ||
352 | static capidrv_plci *find_plci_by_plci(capidrv_contr * card, u32 plci) | |
353 | { | |
354 | capidrv_plci *p; | |
355 | for (p = card->plci_list; p; p = p->next) | |
356 | if (p->plci == plci) | |
357 | return p; | |
358 | return NULL; | |
359 | } | |
360 | ||
361 | static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, u16 msgid) | |
362 | { | |
363 | capidrv_plci *p; | |
364 | for (p = card->plci_list; p; p = p->next) | |
365 | if (p->msgid == msgid) | |
366 | return p; | |
367 | return NULL; | |
368 | } | |
369 | ||
370 | static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, u32 ncci) | |
371 | { | |
372 | capidrv_plci *p; | |
373 | for (p = card->plci_list; p; p = p->next) | |
374 | if (p->plci == (ncci & 0xffff)) | |
375 | return p; | |
376 | return NULL; | |
377 | } | |
378 | ||
379 | static void free_plci(capidrv_contr * card, capidrv_plci * plcip) | |
380 | { | |
381 | capidrv_plci **pp; | |
382 | ||
383 | for (pp = &card->plci_list; *pp; pp = &(*pp)->next) { | |
384 | if (*pp == plcip) { | |
385 | *pp = (*pp)->next; | |
386 | card->bchans[plcip->chan].plcip = NULL; | |
387 | card->bchans[plcip->chan].disconnecting = 0; | |
388 | card->bchans[plcip->chan].incoming = 0; | |
389 | kfree(plcip); | |
390 | return; | |
391 | } | |
392 | } | |
393 | printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n", | |
394 | card->contrnr, plcip, plcip->plci); | |
395 | } | |
396 | ||
397 | /* -------- ncci management ------------------------------------------ */ | |
398 | ||
399 | static inline capidrv_ncci *new_ncci(capidrv_contr * card, | |
400 | capidrv_plci * plcip, | |
401 | u32 ncci) | |
402 | { | |
403 | capidrv_ncci *nccip; | |
404 | ||
41f96935 | 405 | nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC); |
1da177e4 | 406 | |
2f9e9b6d | 407 | if (nccip == NULL) |
1da177e4 LT |
408 | return NULL; |
409 | ||
1da177e4 LT |
410 | nccip->ncci = ncci; |
411 | nccip->state = ST_NCCI_NONE; | |
412 | nccip->plcip = plcip; | |
413 | nccip->chan = plcip->chan; | |
414 | nccip->datahandle = 0; | |
415 | ||
416 | nccip->next = plcip->ncci_list; | |
417 | plcip->ncci_list = nccip; | |
418 | ||
419 | card->bchans[plcip->chan].nccip = nccip; | |
420 | ||
421 | return nccip; | |
422 | } | |
423 | ||
424 | static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci) | |
425 | { | |
426 | capidrv_plci *plcip; | |
427 | capidrv_ncci *p; | |
428 | ||
2f9e9b6d | 429 | if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) |
1da177e4 LT |
430 | return NULL; |
431 | ||
432 | for (p = plcip->ncci_list; p; p = p->next) | |
433 | if (p->ncci == ncci) | |
434 | return p; | |
435 | return NULL; | |
436 | } | |
437 | ||
438 | static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card, | |
439 | u32 ncci, u16 msgid) | |
440 | { | |
441 | capidrv_plci *plcip; | |
442 | capidrv_ncci *p; | |
443 | ||
2f9e9b6d | 444 | if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) |
1da177e4 LT |
445 | return NULL; |
446 | ||
447 | for (p = plcip->ncci_list; p; p = p->next) | |
448 | if (p->msgid == msgid) | |
449 | return p; | |
450 | return NULL; | |
451 | } | |
452 | ||
453 | static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip) | |
454 | { | |
455 | struct capidrv_ncci **pp; | |
456 | ||
457 | for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) { | |
458 | if (*pp == nccip) { | |
459 | *pp = (*pp)->next; | |
460 | break; | |
461 | } | |
462 | } | |
463 | card->bchans[nccip->chan].nccip = NULL; | |
464 | kfree(nccip); | |
465 | } | |
466 | ||
467 | static int capidrv_add_ack(struct capidrv_ncci *nccip, | |
468 | u16 datahandle, int len) | |
469 | { | |
470 | struct ncci_datahandle_queue *n, **pp; | |
471 | ||
472 | n = (struct ncci_datahandle_queue *) | |
473 | kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC); | |
474 | if (!n) { | |
475 | printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n"); | |
476 | return -1; | |
477 | } | |
478 | n->next = NULL; | |
479 | n->datahandle = datahandle; | |
480 | n->len = len; | |
481 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) ; | |
482 | *pp = n; | |
483 | return 0; | |
484 | } | |
485 | ||
486 | static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle) | |
487 | { | |
488 | struct ncci_datahandle_queue **pp, *p; | |
489 | int len; | |
490 | ||
491 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) { | |
492 | if ((*pp)->datahandle == datahandle) { | |
493 | p = *pp; | |
494 | len = p->len; | |
495 | *pp = (*pp)->next; | |
496 | kfree(p); | |
497 | return len; | |
498 | } | |
499 | } | |
500 | return -1; | |
501 | } | |
502 | ||
503 | /* -------- convert and send capi message ---------------------------- */ | |
504 | ||
505 | static void send_message(capidrv_contr * card, _cmsg * cmsg) | |
506 | { | |
507 | struct sk_buff *skb; | |
508 | size_t len; | |
b1b2e7cf | 509 | |
1da177e4 LT |
510 | capi_cmsg2message(cmsg, cmsg->buf); |
511 | len = CAPIMSG_LEN(cmsg->buf); | |
512 | skb = alloc_skb(len, GFP_ATOMIC); | |
b1b2e7cf JJ |
513 | if (!skb) { |
514 | printk(KERN_ERR "capidrv::send_message: can't allocate mem\n"); | |
515 | return; | |
516 | } | |
1da177e4 LT |
517 | memcpy(skb_put(skb, len), cmsg->buf, len); |
518 | if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR) | |
519 | kfree_skb(skb); | |
520 | } | |
521 | ||
522 | /* -------- state machine -------------------------------------------- */ | |
523 | ||
524 | struct listenstatechange { | |
525 | int actstate; | |
526 | int nextstate; | |
527 | int event; | |
528 | }; | |
529 | ||
530 | static struct listenstatechange listentable[] = | |
531 | { | |
532 | {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ}, | |
533 | {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ}, | |
534 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR}, | |
535 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR}, | |
536 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, | |
537 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, | |
538 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, | |
539 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, | |
540 | {}, | |
541 | }; | |
542 | ||
543 | static void listen_change_state(capidrv_contr * card, int event) | |
544 | { | |
545 | struct listenstatechange *p = listentable; | |
546 | while (p->event) { | |
547 | if (card->state == p->actstate && p->event == event) { | |
548 | if (debugmode) | |
549 | printk(KERN_DEBUG "capidrv-%d: listen_change_state %d -> %d\n", | |
550 | card->contrnr, card->state, p->nextstate); | |
551 | card->state = p->nextstate; | |
552 | return; | |
553 | } | |
554 | p++; | |
555 | } | |
556 | printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n", | |
557 | card->contrnr, card->state, event); | |
558 | ||
559 | } | |
560 | ||
561 | /* ------------------------------------------------------------------ */ | |
562 | ||
563 | static void p0(capidrv_contr * card, capidrv_plci * plci) | |
564 | { | |
565 | isdn_ctrl cmd; | |
566 | ||
567 | card->bchans[plci->chan].contr = NULL; | |
568 | cmd.command = ISDN_STAT_DHUP; | |
569 | cmd.driver = card->myid; | |
570 | cmd.arg = plci->chan; | |
571 | card->interface.statcallb(&cmd); | |
572 | free_plci(card, plci); | |
573 | } | |
574 | ||
575 | /* ------------------------------------------------------------------ */ | |
576 | ||
577 | struct plcistatechange { | |
578 | int actstate; | |
579 | int nextstate; | |
580 | int event; | |
581 | void (*changefunc) (capidrv_contr * card, capidrv_plci * plci); | |
582 | }; | |
583 | ||
584 | static struct plcistatechange plcitable[] = | |
585 | { | |
586 | /* P-0 */ | |
587 | {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL}, | |
588 | {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL}, | |
589 | {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL}, | |
590 | {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL}, | |
591 | /* P-0.1 */ | |
592 | {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0}, | |
593 | {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL}, | |
594 | /* P-1 */ | |
595 | {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
596 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
597 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
598 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
599 | /* P-ACT */ | |
600 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
601 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
602 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
603 | {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL}, | |
604 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL}, | |
605 | /* P-2 */ | |
606 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, | |
607 | {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL}, | |
608 | {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL}, | |
609 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
610 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
611 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
612 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL}, | |
613 | /* P-3 */ | |
614 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, | |
615 | {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
616 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
617 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
618 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
619 | /* P-4 */ | |
620 | {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, | |
621 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, | |
622 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, | |
623 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
624 | /* P-5 */ | |
625 | {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, | |
626 | /* P-6 */ | |
627 | {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0}, | |
628 | /* P-0.Res */ | |
629 | {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0}, | |
630 | {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL}, | |
631 | /* P-RES */ | |
632 | {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL}, | |
633 | /* P-HELD */ | |
634 | {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL}, | |
635 | {}, | |
636 | }; | |
637 | ||
638 | static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int event) | |
639 | { | |
640 | struct plcistatechange *p = plcitable; | |
641 | while (p->event) { | |
642 | if (plci->state == p->actstate && p->event == event) { | |
643 | if (debugmode) | |
644 | printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n", | |
645 | card->contrnr, plci->plci, plci->state, p->nextstate); | |
646 | plci->state = p->nextstate; | |
647 | if (p->changefunc) | |
648 | p->changefunc(card, plci); | |
649 | return; | |
650 | } | |
651 | p++; | |
652 | } | |
653 | printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n", | |
654 | card->contrnr, plci->plci, plci->state, event); | |
655 | } | |
656 | ||
657 | /* ------------------------------------------------------------------ */ | |
658 | ||
659 | static _cmsg cmsg; | |
660 | ||
661 | static void n0(capidrv_contr * card, capidrv_ncci * ncci) | |
662 | { | |
663 | isdn_ctrl cmd; | |
664 | ||
665 | capi_fill_DISCONNECT_REQ(&cmsg, | |
666 | global.ap.applid, | |
667 | card->msgid++, | |
668 | ncci->plcip->plci, | |
669 | NULL, /* BChannelinformation */ | |
670 | NULL, /* Keypadfacility */ | |
671 | NULL, /* Useruserdata */ /* $$$$ */ | |
672 | NULL /* Facilitydataarray */ | |
673 | ); | |
1da177e4 | 674 | plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ); |
e4847021 | 675 | send_message(card, &cmsg); |
1da177e4 LT |
676 | |
677 | cmd.command = ISDN_STAT_BHUP; | |
678 | cmd.driver = card->myid; | |
679 | cmd.arg = ncci->chan; | |
680 | card->interface.statcallb(&cmd); | |
681 | free_ncci(card, ncci); | |
682 | } | |
683 | ||
684 | /* ------------------------------------------------------------------ */ | |
685 | ||
686 | struct nccistatechange { | |
687 | int actstate; | |
688 | int nextstate; | |
689 | int event; | |
690 | void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci); | |
691 | }; | |
692 | ||
693 | static struct nccistatechange nccitable[] = | |
694 | { | |
695 | /* N-0 */ | |
696 | {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL}, | |
697 | {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL}, | |
698 | /* N-0.1 */ | |
699 | {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL}, | |
700 | {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0}, | |
701 | /* N-1 */ | |
702 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL}, | |
703 | {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL}, | |
704 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
705 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
706 | /* N-2 */ | |
707 | {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL}, | |
708 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
709 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
710 | /* N-ACT */ | |
711 | {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, | |
712 | {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL}, | |
713 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
714 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
715 | /* N-3 */ | |
716 | {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, | |
717 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
718 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, | |
719 | /* N-4 */ | |
720 | {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, | |
721 | {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR,NULL}, | |
722 | /* N-5 */ | |
723 | {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0}, | |
724 | {}, | |
725 | }; | |
726 | ||
727 | static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event) | |
728 | { | |
729 | struct nccistatechange *p = nccitable; | |
730 | while (p->event) { | |
731 | if (ncci->state == p->actstate && p->event == event) { | |
732 | if (debugmode) | |
733 | printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n", | |
734 | card->contrnr, ncci->ncci, ncci->state, p->nextstate); | |
735 | if (p->nextstate == ST_NCCI_PREVIOUS) { | |
736 | ncci->state = ncci->oldstate; | |
737 | ncci->oldstate = p->actstate; | |
738 | } else { | |
739 | ncci->oldstate = p->actstate; | |
740 | ncci->state = p->nextstate; | |
741 | } | |
742 | if (p->changefunc) | |
743 | p->changefunc(card, ncci); | |
744 | return; | |
745 | } | |
746 | p++; | |
747 | } | |
748 | printk(KERN_ERR "capidrv-%d: ncci_change_state:0x%x state=%d event=%d ????\n", | |
749 | card->contrnr, ncci->ncci, ncci->state, event); | |
750 | } | |
751 | ||
752 | /* ------------------------------------------------------------------- */ | |
753 | ||
754 | static inline int new_bchan(capidrv_contr * card) | |
755 | { | |
756 | int i; | |
757 | for (i = 0; i < card->nbchan; i++) { | |
2f9e9b6d | 758 | if (card->bchans[i].plcip == NULL) { |
1da177e4 LT |
759 | card->bchans[i].disconnecting = 0; |
760 | return i; | |
761 | } | |
762 | } | |
763 | return -1; | |
764 | } | |
765 | ||
766 | /* ------------------------------------------------------------------- */ | |
767 | ||
768 | static void handle_controller(_cmsg * cmsg) | |
769 | { | |
770 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
771 | ||
772 | if (!card) { | |
773 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
774 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
775 | cmsg->adr.adrController & 0x7f); | |
776 | return; | |
777 | } | |
778 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
779 | ||
780 | case CAPI_LISTEN_CONF: /* Controller */ | |
781 | if (debugmode) | |
782 | printk(KERN_DEBUG "capidrv-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n", | |
783 | card->contrnr, cmsg->Info, capi_info2str(cmsg->Info), card->cipmask); | |
784 | if (cmsg->Info) { | |
785 | listen_change_state(card, EV_LISTEN_CONF_ERROR); | |
786 | } else if (card->cipmask == 0) { | |
787 | listen_change_state(card, EV_LISTEN_CONF_EMPTY); | |
788 | } else { | |
789 | listen_change_state(card, EV_LISTEN_CONF_OK); | |
790 | } | |
791 | break; | |
792 | ||
793 | case CAPI_MANUFACTURER_IND: /* Controller */ | |
794 | if ( cmsg->ManuID == 0x214D5641 | |
795 | && cmsg->Class == 0 | |
796 | && cmsg->Function == 1) { | |
797 | u8 *data = cmsg->ManuData+3; | |
798 | u16 len = cmsg->ManuData[0]; | |
799 | u16 layer; | |
800 | int direction; | |
801 | if (len == 255) { | |
802 | len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8)); | |
803 | data += 2; | |
804 | } | |
805 | len -= 2; | |
806 | layer = ((*(data-1)) << 8) | *(data-2); | |
807 | if (layer & 0x300) | |
808 | direction = (layer & 0x200) ? 0 : 1; | |
809 | else direction = (layer & 0x800) ? 0 : 1; | |
810 | if (layer & 0x0C00) { | |
811 | if ((layer & 0xff) == 0x80) { | |
812 | handle_dtrace_data(card, direction, 1, data, len); | |
813 | break; | |
814 | } | |
815 | } else if ((layer & 0xff) < 0x80) { | |
816 | handle_dtrace_data(card, direction, 0, data, len); | |
817 | break; | |
818 | } | |
819 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n", | |
820 | card->contrnr, | |
821 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
822 | cmsg->adr.adrController, layer); | |
823 | break; | |
824 | } | |
825 | goto ignored; | |
826 | case CAPI_MANUFACTURER_CONF: /* Controller */ | |
827 | if (cmsg->ManuID == 0x214D5641) { | |
828 | char *s = NULL; | |
829 | switch (cmsg->Class) { | |
830 | case 0: break; | |
831 | case 1: s = "unknown class"; break; | |
832 | case 2: s = "unknown function"; break; | |
af901ca1 | 833 | default: s = "unknown error"; break; |
1da177e4 LT |
834 | } |
835 | if (s) | |
836 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n", | |
837 | card->contrnr, | |
838 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
839 | cmsg->adr.adrController, | |
840 | cmsg->Function, s); | |
841 | break; | |
842 | } | |
843 | goto ignored; | |
844 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
845 | goto ignored; | |
846 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
847 | goto ignored; | |
848 | case CAPI_INFO_IND: /* Controller/plci */ | |
849 | goto ignored; | |
850 | case CAPI_INFO_CONF: /* Controller/plci */ | |
851 | goto ignored; | |
852 | ||
853 | default: | |
854 | printk(KERN_ERR "capidrv-%d: got %s from controller 0x%x ???", | |
855 | card->contrnr, | |
856 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
857 | cmsg->adr.adrController); | |
858 | } | |
859 | return; | |
860 | ||
861 | ignored: | |
862 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n", | |
863 | card->contrnr, | |
864 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
865 | cmsg->adr.adrController); | |
866 | } | |
867 | ||
868 | static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg) | |
869 | { | |
870 | capidrv_plci *plcip; | |
871 | capidrv_bchan *bchan; | |
872 | isdn_ctrl cmd; | |
873 | int chan; | |
874 | ||
875 | if ((chan = new_bchan(card)) == -1) { | |
876 | printk(KERN_ERR "capidrv-%d: incoming call on not existing bchan ?\n", card->contrnr); | |
877 | return; | |
878 | } | |
879 | bchan = &card->bchans[chan]; | |
2f9e9b6d | 880 | if ((plcip = new_plci(card, chan)) == NULL) { |
1da177e4 LT |
881 | printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr); |
882 | return; | |
883 | } | |
884 | bchan->incoming = 1; | |
885 | plcip->plci = cmsg->adr.adrPLCI; | |
886 | plci_change_state(card, plcip, EV_PLCI_CONNECT_IND); | |
887 | ||
888 | cmd.command = ISDN_STAT_ICALL; | |
889 | cmd.driver = card->myid; | |
890 | cmd.arg = chan; | |
891 | memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup)); | |
892 | strncpy(cmd.parm.setup.phone, | |
893 | cmsg->CallingPartyNumber + 3, | |
894 | cmsg->CallingPartyNumber[0] - 2); | |
895 | strncpy(cmd.parm.setup.eazmsn, | |
896 | cmsg->CalledPartyNumber + 2, | |
897 | cmsg->CalledPartyNumber[0] - 1); | |
898 | cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue); | |
899 | cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue); | |
900 | cmd.parm.setup.plan = cmsg->CallingPartyNumber[1]; | |
901 | cmd.parm.setup.screen = cmsg->CallingPartyNumber[2]; | |
902 | ||
903 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n", | |
904 | card->contrnr, | |
905 | cmd.parm.setup.phone, | |
906 | cmd.parm.setup.si1, | |
907 | cmd.parm.setup.si2, | |
908 | cmd.parm.setup.eazmsn); | |
909 | ||
910 | if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) { | |
911 | printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n", | |
912 | card->contrnr, | |
913 | cmd.parm.setup.si2); | |
914 | cmd.parm.setup.si2 = 0; | |
915 | } | |
916 | ||
917 | switch (card->interface.statcallb(&cmd)) { | |
918 | case 0: | |
919 | case 3: | |
920 | /* No device matching this call. | |
921 | * and isdn_common.c has send a HANGUP command | |
922 | * which is ignored in state ST_PLCI_INCOMING, | |
923 | * so we send RESP to ignore the call | |
924 | */ | |
925 | capi_cmsg_answer(cmsg); | |
926 | cmsg->Reject = 1; /* ignore */ | |
1da177e4 | 927 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
e4847021 | 928 | send_message(card, cmsg); |
1da177e4 LT |
929 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n", |
930 | card->contrnr, | |
931 | cmd.parm.setup.phone, | |
932 | cmd.parm.setup.si1, | |
933 | cmd.parm.setup.si2, | |
934 | cmd.parm.setup.eazmsn); | |
935 | break; | |
936 | case 1: | |
937 | /* At least one device matching this call (RING on ttyI) | |
938 | * HL-driver may send ALERTING on the D-channel in this | |
939 | * case. | |
940 | * really means: RING on ttyI or a net interface | |
941 | * accepted this call already. | |
942 | * | |
943 | * If the call was accepted, state has already changed, | |
944 | * and CONNECT_RESP already sent. | |
945 | */ | |
946 | if (plcip->state == ST_PLCI_INCOMING) { | |
947 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n", | |
948 | card->contrnr, | |
949 | cmd.parm.setup.phone, | |
950 | cmd.parm.setup.si1, | |
951 | cmd.parm.setup.si2, | |
952 | cmd.parm.setup.eazmsn); | |
953 | capi_fill_ALERT_REQ(cmsg, | |
954 | global.ap.applid, | |
955 | card->msgid++, | |
956 | plcip->plci, /* adr */ | |
957 | NULL,/* BChannelinformation */ | |
958 | NULL,/* Keypadfacility */ | |
959 | NULL,/* Useruserdata */ | |
960 | NULL /* Facilitydataarray */ | |
961 | ); | |
962 | plcip->msgid = cmsg->Messagenumber; | |
963 | send_message(card, cmsg); | |
964 | } else { | |
965 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n", | |
966 | card->contrnr, | |
967 | cmd.parm.setup.phone, | |
968 | cmd.parm.setup.si1, | |
969 | cmd.parm.setup.si2, | |
970 | cmd.parm.setup.eazmsn); | |
971 | } | |
972 | break; | |
973 | ||
974 | case 2: /* Call will be rejected. */ | |
975 | capi_cmsg_answer(cmsg); | |
976 | cmsg->Reject = 2; /* reject call, normal call clearing */ | |
1da177e4 | 977 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
e4847021 | 978 | send_message(card, cmsg); |
1da177e4 LT |
979 | break; |
980 | ||
981 | default: | |
982 | /* An error happened. (Invalid parameters for example.) */ | |
983 | capi_cmsg_answer(cmsg); | |
984 | cmsg->Reject = 8; /* reject call, | |
985 | destination out of order */ | |
1da177e4 | 986 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
e4847021 | 987 | send_message(card, cmsg); |
1da177e4 LT |
988 | break; |
989 | } | |
990 | return; | |
991 | } | |
992 | ||
993 | static void handle_plci(_cmsg * cmsg) | |
994 | { | |
995 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
996 | capidrv_plci *plcip; | |
997 | isdn_ctrl cmd; | |
17f0cd2f | 998 | _cdebbuf *cdb; |
1da177e4 LT |
999 | |
1000 | if (!card) { | |
1001 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
1002 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1003 | cmsg->adr.adrController & 0x7f); | |
1004 | return; | |
1005 | } | |
1006 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
1007 | ||
1008 | case CAPI_DISCONNECT_IND: /* plci */ | |
1009 | if (cmsg->Reason) { | |
1010 | printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n", | |
1011 | card->contrnr, | |
1012 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1013 | cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI); | |
1014 | } | |
1015 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) { | |
1016 | capi_cmsg_answer(cmsg); | |
1017 | send_message(card, cmsg); | |
1018 | goto notfound; | |
1019 | } | |
1020 | card->bchans[plcip->chan].disconnecting = 1; | |
1021 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND); | |
1022 | capi_cmsg_answer(cmsg); | |
1da177e4 | 1023 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP); |
e4847021 | 1024 | send_message(card, cmsg); |
1da177e4 LT |
1025 | break; |
1026 | ||
1027 | case CAPI_DISCONNECT_CONF: /* plci */ | |
1028 | if (cmsg->Info) { | |
1029 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1030 | card->contrnr, | |
1031 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1032 | cmsg->Info, capi_info2str(cmsg->Info), | |
1033 | cmsg->adr.adrPLCI); | |
1034 | } | |
1035 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1036 | goto notfound; | |
1037 | ||
1038 | card->bchans[plcip->chan].disconnecting = 1; | |
1039 | break; | |
1040 | ||
1041 | case CAPI_ALERT_CONF: /* plci */ | |
1042 | if (cmsg->Info) { | |
1043 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1044 | card->contrnr, | |
1045 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1046 | cmsg->Info, capi_info2str(cmsg->Info), | |
1047 | cmsg->adr.adrPLCI); | |
1048 | } | |
1049 | break; | |
1050 | ||
1051 | case CAPI_CONNECT_IND: /* plci */ | |
1052 | handle_incoming_call(card, cmsg); | |
1053 | break; | |
1054 | ||
1055 | case CAPI_CONNECT_CONF: /* plci */ | |
1056 | if (cmsg->Info) { | |
1057 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", | |
1058 | card->contrnr, | |
1059 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1060 | cmsg->Info, capi_info2str(cmsg->Info), | |
1061 | cmsg->adr.adrPLCI); | |
1062 | } | |
1063 | if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber))) | |
1064 | goto notfound; | |
1065 | ||
1066 | plcip->plci = cmsg->adr.adrPLCI; | |
1067 | if (cmsg->Info) { | |
1068 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR); | |
1069 | } else { | |
1070 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK); | |
1071 | } | |
1072 | break; | |
1073 | ||
1074 | case CAPI_CONNECT_ACTIVE_IND: /* plci */ | |
1075 | ||
1076 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1077 | goto notfound; | |
1078 | ||
1079 | if (card->bchans[plcip->chan].incoming) { | |
1080 | capi_cmsg_answer(cmsg); | |
1da177e4 | 1081 | plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); |
e4847021 | 1082 | send_message(card, cmsg); |
1da177e4 LT |
1083 | } else { |
1084 | capidrv_ncci *nccip; | |
1085 | capi_cmsg_answer(cmsg); | |
1086 | send_message(card, cmsg); | |
1087 | ||
1088 | nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI); | |
1089 | ||
1090 | if (!nccip) { | |
1091 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); | |
1092 | break; /* $$$$ */ | |
1093 | } | |
1094 | capi_fill_CONNECT_B3_REQ(cmsg, | |
1095 | global.ap.applid, | |
1096 | card->msgid++, | |
1097 | plcip->plci, /* adr */ | |
1098 | NULL /* NCPI */ | |
1099 | ); | |
1100 | nccip->msgid = cmsg->Messagenumber; | |
e4847021 TS |
1101 | plci_change_state(card, plcip, |
1102 | EV_PLCI_CONNECT_ACTIVE_IND); | |
1103 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ); | |
1da177e4 LT |
1104 | send_message(card, cmsg); |
1105 | cmd.command = ISDN_STAT_DCONN; | |
1106 | cmd.driver = card->myid; | |
1107 | cmd.arg = plcip->chan; | |
1108 | card->interface.statcallb(&cmd); | |
1da177e4 LT |
1109 | } |
1110 | break; | |
1111 | ||
1112 | case CAPI_INFO_IND: /* Controller/plci */ | |
1113 | ||
1114 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) | |
1115 | goto notfound; | |
1116 | ||
1117 | if (cmsg->InfoNumber == 0x4000) { | |
1118 | if (cmsg->InfoElement[0] == 4) { | |
1119 | cmd.command = ISDN_STAT_CINF; | |
1120 | cmd.driver = card->myid; | |
1121 | cmd.arg = plcip->chan; | |
1122 | sprintf(cmd.parm.num, "%lu", | |
1123 | (unsigned long) | |
1124 | ((u32) cmsg->InfoElement[1] | |
1125 | | ((u32) (cmsg->InfoElement[2]) << 8) | |
1126 | | ((u32) (cmsg->InfoElement[3]) << 16) | |
1127 | | ((u32) (cmsg->InfoElement[4]) << 24))); | |
1128 | card->interface.statcallb(&cmd); | |
1129 | break; | |
1130 | } | |
1131 | } | |
17f0cd2f KK |
1132 | cdb = capi_cmsg2str(cmsg); |
1133 | if (cdb) { | |
1134 | printk(KERN_WARNING "capidrv-%d: %s\n", | |
1135 | card->contrnr, cdb->buf); | |
1136 | cdebbuf_free(cdb); | |
1137 | } else | |
1138 | printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n", | |
1139 | card->contrnr, cmsg->InfoNumber); | |
1140 | ||
1da177e4 LT |
1141 | break; |
1142 | ||
1143 | case CAPI_CONNECT_ACTIVE_CONF: /* plci */ | |
1144 | goto ignored; | |
1145 | case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */ | |
1146 | goto ignored; | |
1147 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
1148 | goto ignored; | |
1149 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
1150 | goto ignored; | |
1151 | ||
1152 | case CAPI_INFO_CONF: /* Controller/plci */ | |
1153 | goto ignored; | |
1154 | ||
1155 | default: | |
1156 | printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???", | |
1157 | card->contrnr, | |
1158 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1159 | cmsg->adr.adrPLCI); | |
1160 | } | |
1161 | return; | |
1162 | ignored: | |
1163 | printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n", | |
1164 | card->contrnr, | |
1165 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1166 | cmsg->adr.adrPLCI); | |
1167 | return; | |
1168 | notfound: | |
1169 | printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n", | |
1170 | card->contrnr, | |
1171 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1172 | cmsg->adr.adrPLCI); | |
1173 | return; | |
1174 | } | |
1175 | ||
1176 | static void handle_ncci(_cmsg * cmsg) | |
1177 | { | |
1178 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
1179 | capidrv_plci *plcip; | |
1180 | capidrv_ncci *nccip; | |
1181 | isdn_ctrl cmd; | |
1182 | int len; | |
1183 | ||
1184 | if (!card) { | |
1185 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
1186 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1187 | cmsg->adr.adrController & 0x7f); | |
1188 | return; | |
1189 | } | |
1190 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { | |
1191 | ||
1192 | case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */ | |
1193 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1194 | goto notfound; | |
1195 | ||
1196 | capi_cmsg_answer(cmsg); | |
1da177e4 | 1197 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND); |
e4847021 | 1198 | send_message(card, cmsg); |
1da177e4 LT |
1199 | |
1200 | cmd.command = ISDN_STAT_BCONN; | |
1201 | cmd.driver = card->myid; | |
1202 | cmd.arg = nccip->chan; | |
1203 | card->interface.statcallb(&cmd); | |
1204 | ||
1205 | printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n", | |
1206 | card->contrnr, nccip->chan, nccip->ncci); | |
1207 | break; | |
1208 | ||
1209 | case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */ | |
1210 | goto ignored; | |
1211 | ||
1212 | case CAPI_CONNECT_B3_IND: /* ncci */ | |
1213 | ||
1214 | plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI); | |
1215 | if (plcip) { | |
1216 | nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI); | |
1217 | if (nccip) { | |
1218 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND); | |
1219 | capi_fill_CONNECT_B3_RESP(cmsg, | |
1220 | global.ap.applid, | |
1221 | card->msgid++, | |
1222 | nccip->ncci, /* adr */ | |
1223 | 0, /* Reject */ | |
1224 | NULL /* NCPI */ | |
1225 | ); | |
1da177e4 | 1226 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP); |
e4847021 | 1227 | send_message(card, cmsg); |
1da177e4 LT |
1228 | break; |
1229 | } | |
1230 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); | |
1231 | } else { | |
1232 | printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n", | |
1233 | card->contrnr, | |
1234 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1235 | cmsg->adr.adrNCCI); | |
1236 | } | |
1237 | capi_fill_CONNECT_B3_RESP(cmsg, | |
1238 | global.ap.applid, | |
1239 | card->msgid++, | |
1240 | cmsg->adr.adrNCCI, | |
1241 | 2, /* Reject */ | |
1242 | NULL /* NCPI */ | |
1243 | ); | |
1244 | send_message(card, cmsg); | |
1245 | break; | |
1246 | ||
1247 | case CAPI_CONNECT_B3_CONF: /* ncci */ | |
1248 | ||
1249 | if (!(nccip = find_ncci_by_msgid(card, | |
1250 | cmsg->adr.adrNCCI, | |
1251 | cmsg->Messagenumber))) | |
1252 | goto notfound; | |
1253 | ||
1254 | nccip->ncci = cmsg->adr.adrNCCI; | |
1255 | if (cmsg->Info) { | |
1256 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", | |
1257 | card->contrnr, | |
1258 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1259 | cmsg->Info, capi_info2str(cmsg->Info), | |
1260 | cmsg->adr.adrNCCI); | |
1261 | } | |
1262 | ||
1263 | if (cmsg->Info) | |
1264 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR); | |
1265 | else | |
1266 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK); | |
1267 | break; | |
1268 | ||
1269 | case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */ | |
1270 | capi_cmsg_answer(cmsg); | |
1271 | send_message(card, cmsg); | |
1272 | break; | |
1273 | ||
1274 | case CAPI_DATA_B3_IND: /* ncci */ | |
1275 | /* handled in handle_data() */ | |
1276 | goto ignored; | |
1277 | ||
1278 | case CAPI_DATA_B3_CONF: /* ncci */ | |
1279 | if (cmsg->Info) { | |
1280 | printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n", | |
1281 | cmsg->Info, capi_info2str(cmsg->Info)); | |
1282 | } | |
1283 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1284 | goto notfound; | |
1285 | ||
1286 | len = capidrv_del_ack(nccip, cmsg->DataHandle); | |
1287 | if (len < 0) | |
1288 | break; | |
1289 | cmd.command = ISDN_STAT_BSENT; | |
1290 | cmd.driver = card->myid; | |
1291 | cmd.arg = nccip->chan; | |
1292 | cmd.parm.length = len; | |
1293 | card->interface.statcallb(&cmd); | |
1294 | break; | |
1295 | ||
1296 | case CAPI_DISCONNECT_B3_IND: /* ncci */ | |
1297 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1298 | goto notfound; | |
1299 | ||
1300 | card->bchans[nccip->chan].disconnecting = 1; | |
1301 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND); | |
1302 | capi_cmsg_answer(cmsg); | |
1da177e4 | 1303 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP); |
e4847021 | 1304 | send_message(card, cmsg); |
1da177e4 LT |
1305 | break; |
1306 | ||
1307 | case CAPI_DISCONNECT_B3_CONF: /* ncci */ | |
1308 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1309 | goto notfound; | |
1310 | if (cmsg->Info) { | |
1311 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", | |
1312 | card->contrnr, | |
1313 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1314 | cmsg->Info, capi_info2str(cmsg->Info), | |
1315 | cmsg->adr.adrNCCI); | |
1316 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR); | |
1317 | } | |
1318 | break; | |
1319 | ||
1320 | case CAPI_RESET_B3_IND: /* ncci */ | |
1321 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) | |
1322 | goto notfound; | |
1323 | ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND); | |
1324 | capi_cmsg_answer(cmsg); | |
1325 | send_message(card, cmsg); | |
1326 | break; | |
1327 | ||
1328 | case CAPI_RESET_B3_CONF: /* ncci */ | |
1329 | goto ignored; /* $$$$ */ | |
1330 | ||
1331 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ | |
1332 | goto ignored; | |
1333 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ | |
1334 | goto ignored; | |
1335 | ||
1336 | default: | |
1337 | printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???", | |
1338 | card->contrnr, | |
1339 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1340 | cmsg->adr.adrNCCI); | |
1341 | } | |
1342 | return; | |
1343 | ignored: | |
1344 | printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n", | |
1345 | card->contrnr, | |
1346 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1347 | cmsg->adr.adrNCCI); | |
1348 | return; | |
1349 | notfound: | |
1350 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", | |
1351 | card->contrnr, | |
1352 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1353 | cmsg->adr.adrNCCI); | |
1354 | } | |
1355 | ||
1356 | ||
1357 | static void handle_data(_cmsg * cmsg, struct sk_buff *skb) | |
1358 | { | |
1359 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); | |
1360 | capidrv_ncci *nccip; | |
1361 | ||
1362 | if (!card) { | |
1363 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", | |
1364 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1365 | cmsg->adr.adrController & 0x7f); | |
1366 | kfree_skb(skb); | |
1367 | return; | |
1368 | } | |
1369 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) { | |
1370 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", | |
1371 | card->contrnr, | |
1372 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), | |
1373 | cmsg->adr.adrNCCI); | |
1374 | kfree_skb(skb); | |
1375 | return; | |
1376 | } | |
1377 | (void) skb_pull(skb, CAPIMSG_LEN(skb->data)); | |
1378 | card->interface.rcvcallb_skb(card->myid, nccip->chan, skb); | |
1379 | capi_cmsg_answer(cmsg); | |
1380 | send_message(card, cmsg); | |
1381 | } | |
1382 | ||
1383 | static _cmsg s_cmsg; | |
1384 | ||
1385 | static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb) | |
1386 | { | |
1387 | capi_message2cmsg(&s_cmsg, skb->data); | |
17f0cd2f KK |
1388 | if (debugmode > 3) { |
1389 | _cdebbuf *cdb = capi_cmsg2str(&s_cmsg); | |
1390 | ||
1391 | if (cdb) { | |
156f1ed6 | 1392 | printk(KERN_DEBUG "%s: applid=%d %s\n", __func__, |
17f0cd2f KK |
1393 | ap->applid, cdb->buf); |
1394 | cdebbuf_free(cdb); | |
1395 | } else | |
1396 | printk(KERN_DEBUG "%s: applid=%d %s not traced\n", | |
156f1ed6 | 1397 | __func__, ap->applid, |
17f0cd2f KK |
1398 | capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand)); |
1399 | } | |
1da177e4 LT |
1400 | if (s_cmsg.Command == CAPI_DATA_B3 |
1401 | && s_cmsg.Subcommand == CAPI_IND) { | |
1402 | handle_data(&s_cmsg, skb); | |
1403 | return; | |
1404 | } | |
1405 | if ((s_cmsg.adr.adrController & 0xffffff00) == 0) | |
1406 | handle_controller(&s_cmsg); | |
1407 | else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0) | |
1408 | handle_plci(&s_cmsg); | |
1409 | else | |
1410 | handle_ncci(&s_cmsg); | |
1411 | /* | |
1412 | * data of skb used in s_cmsg, | |
1413 | * free data when s_cmsg is not used again | |
1414 | * thanks to Lars Heete <hel@admin.de> | |
1415 | */ | |
1416 | kfree_skb(skb); | |
1417 | } | |
1418 | ||
1419 | /* ------------------------------------------------------------------- */ | |
1420 | ||
1421 | #define PUTBYTE_TO_STATUS(card, byte) \ | |
1422 | do { \ | |
1423 | *(card)->q931_write++ = (byte); \ | |
1424 | if ((card)->q931_write > (card)->q931_end) \ | |
1425 | (card)->q931_write = (card)->q931_buf; \ | |
1426 | } while (0) | |
1427 | ||
1428 | static void handle_dtrace_data(capidrv_contr *card, | |
1429 | int send, int level2, u8 *data, u16 len) | |
1430 | { | |
1431 | u8 *p, *end; | |
1432 | isdn_ctrl cmd; | |
1433 | ||
1434 | if (!len) { | |
1435 | printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n", | |
1436 | card->contrnr, len); | |
1437 | return; | |
1438 | } | |
1439 | ||
1440 | if (level2) { | |
1441 | PUTBYTE_TO_STATUS(card, 'D'); | |
1442 | PUTBYTE_TO_STATUS(card, '2'); | |
1443 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); | |
1444 | PUTBYTE_TO_STATUS(card, ':'); | |
1445 | } else { | |
1446 | PUTBYTE_TO_STATUS(card, 'D'); | |
1447 | PUTBYTE_TO_STATUS(card, '3'); | |
1448 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); | |
1449 | PUTBYTE_TO_STATUS(card, ':'); | |
1450 | } | |
1451 | ||
1452 | for (p = data, end = data+len; p < end; p++) { | |
1453 | u8 w; | |
1454 | PUTBYTE_TO_STATUS(card, ' '); | |
1455 | w = (*p >> 4) & 0xf; | |
1456 | PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w); | |
1457 | w = *p & 0xf; | |
1458 | PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w); | |
1459 | } | |
1460 | PUTBYTE_TO_STATUS(card, '\n'); | |
1461 | ||
1462 | cmd.command = ISDN_STAT_STAVAIL; | |
1463 | cmd.driver = card->myid; | |
1464 | cmd.arg = len*3+5; | |
1465 | card->interface.statcallb(&cmd); | |
1466 | } | |
1467 | ||
1468 | /* ------------------------------------------------------------------- */ | |
1469 | ||
1470 | static _cmsg cmdcmsg; | |
1471 | ||
1472 | static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card) | |
1473 | { | |
1474 | switch (c->arg) { | |
1475 | case 1: | |
1476 | debugmode = (int)(*((unsigned int *)c->parm.num)); | |
1477 | printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n", | |
1478 | card->contrnr, debugmode); | |
1479 | return 0; | |
1480 | default: | |
1481 | printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n", | |
1482 | card->contrnr, c->arg); | |
1483 | return -EINVAL; | |
1484 | } | |
1485 | return -EINVAL; | |
1486 | } | |
1487 | ||
1488 | /* | |
1489 | * Handle leased lines (CAPI-Bundling) | |
1490 | */ | |
1491 | ||
1492 | struct internal_bchannelinfo { | |
1493 | unsigned short channelalloc; | |
1494 | unsigned short operation; | |
1495 | unsigned char cmask[31]; | |
1496 | }; | |
1497 | ||
1498 | static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) | |
1499 | { | |
1500 | unsigned long bmask = 0; | |
1501 | int active = !0; | |
1502 | char *s; | |
1503 | int i; | |
1504 | ||
1505 | if (strncmp(teln, "FV:", 3) != 0) | |
1506 | return 1; | |
1507 | s = teln + 3; | |
1508 | while (*s && *s == ' ') s++; | |
1509 | if (!*s) return -2; | |
1510 | if (*s == 'p' || *s == 'P') { | |
1511 | active = 0; | |
1512 | s++; | |
1513 | } | |
1514 | if (*s == 'a' || *s == 'A') { | |
1515 | active = !0; | |
1516 | s++; | |
1517 | } | |
1518 | while (*s) { | |
1519 | int digit1 = 0; | |
1520 | int digit2 = 0; | |
1521 | if (!isdigit(*s)) return -3; | |
1522 | while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; } | |
fecc7036 | 1523 | if (digit1 <= 0 || digit1 > 30) return -4; |
1da177e4 LT |
1524 | if (*s == 0 || *s == ',' || *s == ' ') { |
1525 | bmask |= (1 << digit1); | |
1526 | digit1 = 0; | |
1527 | if (*s) s++; | |
1528 | continue; | |
1529 | } | |
1530 | if (*s != '-') return -5; | |
1531 | s++; | |
1532 | if (!isdigit(*s)) return -3; | |
1533 | while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; } | |
fecc7036 | 1534 | if (digit2 <= 0 || digit2 > 30) return -4; |
1da177e4 LT |
1535 | if (*s == 0 || *s == ',' || *s == ' ') { |
1536 | if (digit1 > digit2) | |
1537 | for (i = digit2; i <= digit1 ; i++) | |
1538 | bmask |= (1 << i); | |
1539 | else | |
1540 | for (i = digit1; i <= digit2 ; i++) | |
1541 | bmask |= (1 << i); | |
1542 | digit1 = digit2 = 0; | |
1543 | if (*s) s++; | |
1544 | continue; | |
1545 | } | |
1546 | return -6; | |
1547 | } | |
1548 | if (activep) *activep = active; | |
1549 | if (bmaskp) *bmaskp = bmask; | |
1550 | return 0; | |
1551 | } | |
1552 | ||
1553 | static int FVteln2capi20(char *teln, u8 AdditionalInfo[1+2+2+31]) | |
1554 | { | |
1555 | unsigned long bmask; | |
1556 | int active; | |
1557 | int rc, i; | |
1558 | ||
1559 | rc = decodeFVteln(teln, &bmask, &active); | |
1560 | if (rc) return rc; | |
1561 | /* Length */ | |
1562 | AdditionalInfo[0] = 2+2+31; | |
1563 | /* Channel: 3 => use channel allocation */ | |
1564 | AdditionalInfo[1] = 3; AdditionalInfo[2] = 0; | |
1565 | /* Operation: 0 => DTE mode, 1 => DCE mode */ | |
1566 | if (active) { | |
1567 | AdditionalInfo[3] = 0; AdditionalInfo[4] = 0; | |
1568 | } else { | |
1569 | AdditionalInfo[3] = 1; AdditionalInfo[4] = 0; | |
1570 | } | |
1571 | /* Channel mask array */ | |
1572 | AdditionalInfo[5] = 0; /* no D-Channel */ | |
1573 | for (i=1; i <= 30; i++) | |
1574 | AdditionalInfo[5+i] = (bmask & (1 << i)) ? 0xff : 0; | |
1575 | return 0; | |
1576 | } | |
1577 | ||
1578 | static int capidrv_command(isdn_ctrl * c, capidrv_contr * card) | |
1579 | { | |
1580 | isdn_ctrl cmd; | |
1581 | struct capidrv_bchan *bchan; | |
1582 | struct capidrv_plci *plcip; | |
1583 | u8 AdditionalInfo[1+2+2+31]; | |
1584 | int rc, isleasedline = 0; | |
1585 | ||
1586 | if (c->command == ISDN_CMD_IOCTL) | |
1587 | return capidrv_ioctl(c, card); | |
1588 | ||
1589 | switch (c->command) { | |
1590 | case ISDN_CMD_DIAL:{ | |
1591 | u8 calling[ISDN_MSNLEN + 3]; | |
1592 | u8 called[ISDN_MSNLEN + 2]; | |
1593 | ||
1594 | if (debugmode) | |
1595 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n", | |
1596 | card->contrnr, | |
1597 | c->arg, | |
1598 | c->parm.setup.phone, | |
1599 | c->parm.setup.si1, | |
1600 | c->parm.setup.si2, | |
1601 | c->parm.setup.eazmsn); | |
1602 | ||
1603 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1604 | ||
1605 | if (bchan->plcip) { | |
1606 | printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n", | |
1607 | card->contrnr, | |
1608 | c->arg, | |
1609 | c->parm.setup.phone, | |
1610 | c->parm.setup.si1, | |
1611 | c->parm.setup.si2, | |
1612 | c->parm.setup.eazmsn, | |
1613 | bchan->plcip->plci); | |
1614 | return 0; | |
1615 | } | |
1616 | bchan->si1 = c->parm.setup.si1; | |
1617 | bchan->si2 = c->parm.setup.si2; | |
1618 | ||
1619 | strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num)); | |
1620 | strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum)); | |
1621 | rc = FVteln2capi20(bchan->num, AdditionalInfo); | |
1622 | isleasedline = (rc == 0); | |
1623 | if (rc < 0) | |
1624 | printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num); | |
1625 | ||
1626 | if (isleasedline) { | |
1627 | calling[0] = 0; | |
1628 | called[0] = 0; | |
1629 | if (debugmode) | |
1630 | printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr); | |
1631 | } else { | |
1632 | calling[0] = strlen(bchan->mynum) + 2; | |
1633 | calling[1] = 0; | |
1634 | calling[2] = 0x80; | |
1635 | strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN); | |
1636 | called[0] = strlen(bchan->num) + 1; | |
1637 | called[1] = 0x80; | |
1638 | strncpy(called + 2, bchan->num, ISDN_MSNLEN); | |
1639 | } | |
1640 | ||
1641 | capi_fill_CONNECT_REQ(&cmdcmsg, | |
1642 | global.ap.applid, | |
1643 | card->msgid++, | |
1644 | card->contrnr, /* adr */ | |
1645 | si2cip(bchan->si1, bchan->si2), /* cipvalue */ | |
1646 | called, /* CalledPartyNumber */ | |
1647 | calling, /* CallingPartyNumber */ | |
1648 | NULL, /* CalledPartySubaddress */ | |
1649 | NULL, /* CallingPartySubaddress */ | |
1650 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ | |
1651 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ | |
1652 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ | |
1653 | b1config(bchan->l2, bchan->l3), /* B1configuration */ | |
1654 | NULL, /* B2configuration */ | |
1655 | NULL, /* B3configuration */ | |
1656 | NULL, /* BC */ | |
1657 | NULL, /* LLC */ | |
1658 | NULL, /* HLC */ | |
1659 | /* BChannelinformation */ | |
1660 | isleasedline ? AdditionalInfo : NULL, | |
1661 | NULL, /* Keypadfacility */ | |
1662 | NULL, /* Useruserdata */ | |
1663 | NULL /* Facilitydataarray */ | |
1664 | ); | |
2f9e9b6d | 1665 | if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) { |
1da177e4 LT |
1666 | cmd.command = ISDN_STAT_DHUP; |
1667 | cmd.driver = card->myid; | |
1668 | cmd.arg = (c->arg % card->nbchan); | |
1669 | card->interface.statcallb(&cmd); | |
1670 | return -1; | |
1671 | } | |
1672 | plcip->msgid = cmdcmsg.Messagenumber; | |
1673 | plcip->leasedline = isleasedline; | |
1674 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ); | |
1675 | send_message(card, &cmdcmsg); | |
1676 | return 0; | |
1677 | } | |
1678 | ||
1679 | case ISDN_CMD_ACCEPTD: | |
1680 | ||
1681 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1682 | if (debugmode) | |
1683 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n", | |
1684 | card->contrnr, | |
1685 | c->arg, bchan->l2, bchan->l3); | |
1686 | ||
1687 | capi_fill_CONNECT_RESP(&cmdcmsg, | |
1688 | global.ap.applid, | |
1689 | card->msgid++, | |
1690 | bchan->plcip->plci, /* adr */ | |
1691 | 0, /* Reject */ | |
1692 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ | |
1693 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ | |
1694 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ | |
1695 | b1config(bchan->l2, bchan->l3), /* B1configuration */ | |
1696 | NULL, /* B2configuration */ | |
1697 | NULL, /* B3configuration */ | |
1698 | NULL, /* ConnectedNumber */ | |
1699 | NULL, /* ConnectedSubaddress */ | |
1700 | NULL, /* LLC */ | |
1701 | NULL, /* BChannelinformation */ | |
1702 | NULL, /* Keypadfacility */ | |
1703 | NULL, /* Useruserdata */ | |
1704 | NULL /* Facilitydataarray */ | |
1705 | ); | |
1706 | capi_cmsg2message(&cmdcmsg, cmdcmsg.buf); | |
1707 | plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP); | |
1708 | send_message(card, &cmdcmsg); | |
1709 | return 0; | |
1710 | ||
1711 | case ISDN_CMD_ACCEPTB: | |
1712 | if (debugmode) | |
1713 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n", | |
1714 | card->contrnr, | |
1715 | c->arg); | |
1716 | return -ENOSYS; | |
1717 | ||
1718 | case ISDN_CMD_HANGUP: | |
1719 | if (debugmode) | |
1720 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n", | |
1721 | card->contrnr, | |
1722 | c->arg); | |
1723 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1724 | ||
1725 | if (bchan->disconnecting) { | |
1726 | if (debugmode) | |
1727 | printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n", | |
1728 | card->contrnr, | |
1729 | c->arg); | |
1730 | return 0; | |
1731 | } | |
1732 | if (bchan->nccip) { | |
1733 | bchan->disconnecting = 1; | |
1734 | capi_fill_DISCONNECT_B3_REQ(&cmdcmsg, | |
1735 | global.ap.applid, | |
1736 | card->msgid++, | |
1737 | bchan->nccip->ncci, | |
1738 | NULL /* NCPI */ | |
1739 | ); | |
1740 | ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ); | |
1741 | send_message(card, &cmdcmsg); | |
1742 | return 0; | |
1743 | } else if (bchan->plcip) { | |
1744 | if (bchan->plcip->state == ST_PLCI_INCOMING) { | |
1745 | /* | |
1746 | * just ignore, we a called from | |
1747 | * isdn_status_callback(), | |
1748 | * which will return 0 or 2, this is handled | |
1749 | * by the CONNECT_IND handler | |
1750 | */ | |
1751 | bchan->disconnecting = 1; | |
1752 | return 0; | |
1753 | } else if (bchan->plcip->plci) { | |
1754 | bchan->disconnecting = 1; | |
1755 | capi_fill_DISCONNECT_REQ(&cmdcmsg, | |
1756 | global.ap.applid, | |
1757 | card->msgid++, | |
1758 | bchan->plcip->plci, | |
1759 | NULL, /* BChannelinformation */ | |
1760 | NULL, /* Keypadfacility */ | |
1761 | NULL, /* Useruserdata */ | |
1762 | NULL /* Facilitydataarray */ | |
1763 | ); | |
1764 | plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ); | |
1765 | send_message(card, &cmdcmsg); | |
1766 | return 0; | |
1767 | } else { | |
1768 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n", | |
1769 | card->contrnr, | |
1770 | c->arg); | |
1771 | return -EINVAL; | |
1772 | } | |
1773 | } | |
1774 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n", | |
1775 | card->contrnr, | |
1776 | c->arg); | |
1777 | return -EINVAL; | |
1778 | /* ready */ | |
1779 | ||
1780 | case ISDN_CMD_SETL2: | |
1781 | if (debugmode) | |
1782 | printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n", | |
1783 | card->contrnr, | |
1784 | (c->arg & 0xff), (c->arg >> 8)); | |
1785 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; | |
1786 | bchan->l2 = (c->arg >> 8); | |
1787 | return 0; | |
1788 | ||
1789 | case ISDN_CMD_SETL3: | |
1790 | if (debugmode) | |
1791 | printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n", | |
1792 | card->contrnr, | |
1793 | (c->arg & 0xff), (c->arg >> 8)); | |
1794 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; | |
1795 | bchan->l3 = (c->arg >> 8); | |
1796 | return 0; | |
1797 | ||
1798 | case ISDN_CMD_SETEAZ: | |
1799 | if (debugmode) | |
1800 | printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n", | |
1801 | card->contrnr, | |
1802 | c->parm.num, c->arg); | |
1803 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1804 | strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN); | |
1805 | return 0; | |
1806 | ||
1807 | case ISDN_CMD_CLREAZ: | |
1808 | if (debugmode) | |
1809 | printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n", | |
1810 | card->contrnr, c->arg); | |
1811 | bchan = &card->bchans[c->arg % card->nbchan]; | |
1812 | bchan->msn[0] = 0; | |
1813 | return 0; | |
1814 | ||
1815 | default: | |
1816 | printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n", | |
1817 | card->contrnr, c->command); | |
1818 | return -EINVAL; | |
1819 | } | |
1820 | return 0; | |
1821 | } | |
1822 | ||
1823 | static int if_command(isdn_ctrl * c) | |
1824 | { | |
1825 | capidrv_contr *card = findcontrbydriverid(c->driver); | |
1826 | ||
1827 | if (card) | |
1828 | return capidrv_command(c, card); | |
1829 | ||
1830 | printk(KERN_ERR | |
1831 | "capidrv: if_command %d called with invalid driverId %d!\n", | |
1832 | c->command, c->driver); | |
1833 | return -ENODEV; | |
1834 | } | |
1835 | ||
1836 | static _cmsg sendcmsg; | |
1837 | ||
1838 | static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb) | |
1839 | { | |
1840 | capidrv_contr *card = findcontrbydriverid(id); | |
1841 | capidrv_bchan *bchan; | |
1842 | capidrv_ncci *nccip; | |
1843 | int len = skb->len; | |
1844 | int msglen; | |
1845 | u16 errcode; | |
1846 | u16 datahandle; | |
b393243f | 1847 | u32 data; |
1da177e4 LT |
1848 | |
1849 | if (!card) { | |
1850 | printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n", | |
1851 | id); | |
1852 | return 0; | |
1853 | } | |
1854 | if (debugmode > 4) | |
1855 | printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n", | |
1856 | card->contrnr, len, skb, doack); | |
1857 | bchan = &card->bchans[channel % card->nbchan]; | |
1858 | nccip = bchan->nccip; | |
1859 | if (!nccip || nccip->state != ST_NCCI_ACTIVE) { | |
1860 | printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n", | |
1861 | card->contrnr, card->name, channel); | |
1862 | return 0; | |
1863 | } | |
1864 | datahandle = nccip->datahandle; | |
b393243f JG |
1865 | |
1866 | /* | |
1867 | * Here we copy pointer skb->data into the 32-bit 'Data' field. | |
1868 | * The 'Data' field is not used in practice in linux kernel | |
1869 | * (neither in 32 or 64 bit), but should have some value, | |
1870 | * since a CAPI message trace will display it. | |
1871 | * | |
1872 | * The correct value in the 32 bit case is the address of the | |
1873 | * data, in 64 bit it makes no sense, we use 0 there. | |
1874 | */ | |
1875 | ||
1876 | #ifdef CONFIG_64BIT | |
1877 | data = 0; | |
1878 | #else | |
1879 | data = (unsigned long) skb->data; | |
1880 | #endif | |
1881 | ||
1da177e4 LT |
1882 | capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++, |
1883 | nccip->ncci, /* adr */ | |
b393243f | 1884 | data, /* Data */ |
1da177e4 LT |
1885 | skb->len, /* DataLength */ |
1886 | datahandle, /* DataHandle */ | |
1887 | 0 /* Flags */ | |
1888 | ); | |
1889 | ||
1890 | if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0) | |
1891 | return 0; | |
1892 | ||
1893 | capi_cmsg2message(&sendcmsg, sendcmsg.buf); | |
1894 | msglen = CAPIMSG_LEN(sendcmsg.buf); | |
1895 | if (skb_headroom(skb) < msglen) { | |
1896 | struct sk_buff *nskb = skb_realloc_headroom(skb, msglen); | |
1897 | if (!nskb) { | |
1898 | printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n", | |
1899 | card->contrnr); | |
1900 | (void)capidrv_del_ack(nccip, datahandle); | |
1901 | return 0; | |
1902 | } | |
1903 | printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n", | |
1904 | card->contrnr, skb_headroom(skb), msglen); | |
1905 | memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen); | |
1906 | errcode = capi20_put_message(&global.ap, nskb); | |
1907 | if (errcode == CAPI_NOERROR) { | |
1908 | dev_kfree_skb(skb); | |
1909 | nccip->datahandle++; | |
1910 | return len; | |
1911 | } | |
1912 | if (debugmode > 3) | |
1913 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", | |
1914 | card->contrnr, errcode, capi_info2str(errcode)); | |
1915 | (void)capidrv_del_ack(nccip, datahandle); | |
1916 | dev_kfree_skb(nskb); | |
1917 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; | |
1918 | } else { | |
1919 | memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen); | |
1920 | errcode = capi20_put_message(&global.ap, skb); | |
1921 | if (errcode == CAPI_NOERROR) { | |
1922 | nccip->datahandle++; | |
1923 | return len; | |
1924 | } | |
1925 | if (debugmode > 3) | |
1926 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", | |
1927 | card->contrnr, errcode, capi_info2str(errcode)); | |
1928 | skb_pull(skb, msglen); | |
1929 | (void)capidrv_del_ack(nccip, datahandle); | |
1930 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; | |
1931 | } | |
1932 | } | |
1933 | ||
1934 | static int if_readstat(u8 __user *buf, int len, int id, int channel) | |
1935 | { | |
1936 | capidrv_contr *card = findcontrbydriverid(id); | |
1937 | int count; | |
1938 | u8 __user *p; | |
1939 | ||
1940 | if (!card) { | |
1941 | printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n", | |
1942 | id); | |
1943 | return -ENODEV; | |
1944 | } | |
1945 | ||
1946 | for (p=buf, count=0; count < len; p++, count++) { | |
7786ce19 JG |
1947 | if (put_user(*card->q931_read++, p)) |
1948 | return -EFAULT; | |
1da177e4 LT |
1949 | if (card->q931_read > card->q931_end) |
1950 | card->q931_read = card->q931_buf; | |
1951 | } | |
1952 | return count; | |
1953 | ||
1954 | } | |
1955 | ||
1956 | static void enable_dchannel_trace(capidrv_contr *card) | |
1957 | { | |
1958 | u8 manufacturer[CAPI_MANUFACTURER_LEN]; | |
1959 | capi_version version; | |
1960 | u16 contr = card->contrnr; | |
1961 | u16 errcode; | |
1962 | u16 avmversion[3]; | |
1963 | ||
1964 | errcode = capi20_get_manufacturer(contr, manufacturer); | |
1965 | if (errcode != CAPI_NOERROR) { | |
1966 | printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n", | |
1967 | card->name, errcode); | |
1968 | return; | |
1969 | } | |
2f9e9b6d | 1970 | if (strstr(manufacturer, "AVM") == NULL) { |
1da177e4 LT |
1971 | printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n", |
1972 | card->name, manufacturer); | |
1973 | return; | |
1974 | } | |
1975 | errcode = capi20_get_version(contr, &version); | |
1976 | if (errcode != CAPI_NOERROR) { | |
1977 | printk(KERN_ERR "%s: can't get version (0x%x)\n", | |
1978 | card->name, errcode); | |
1979 | return; | |
1980 | } | |
1981 | avmversion[0] = (version.majormanuversion >> 4) & 0x0f; | |
1982 | avmversion[1] = (version.majormanuversion << 4) & 0xf0; | |
1983 | avmversion[1] |= (version.minormanuversion >> 4) & 0x0f; | |
1984 | avmversion[2] |= version.minormanuversion & 0x0f; | |
1985 | ||
1986 | if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) { | |
1987 | printk(KERN_INFO "%s: D2 trace enabled\n", card->name); | |
1988 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, | |
1989 | card->msgid++, | |
1990 | contr, | |
1991 | 0x214D5641, /* ManuID */ | |
1992 | 0, /* Class */ | |
1993 | 1, /* Function */ | |
1994 | (_cstruct)"\004\200\014\000\000"); | |
1995 | } else { | |
1996 | printk(KERN_INFO "%s: D3 trace enabled\n", card->name); | |
1997 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, | |
1998 | card->msgid++, | |
1999 | contr, | |
2000 | 0x214D5641, /* ManuID */ | |
2001 | 0, /* Class */ | |
2002 | 1, /* Function */ | |
2003 | (_cstruct)"\004\002\003\000\000"); | |
2004 | } | |
2005 | send_message(card, &cmdcmsg); | |
2006 | } | |
2007 | ||
2008 | ||
2009 | static void send_listen(capidrv_contr *card) | |
2010 | { | |
2011 | capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid, | |
2012 | card->msgid++, | |
2013 | card->contrnr, /* controller */ | |
2014 | 1 << 6, /* Infomask */ | |
2015 | card->cipmask, | |
2016 | card->cipmask2, | |
2017 | NULL, NULL); | |
1da177e4 | 2018 | listen_change_state(card, EV_LISTEN_REQ); |
e4847021 | 2019 | send_message(card, &cmdcmsg); |
1da177e4 LT |
2020 | } |
2021 | ||
2022 | static void listentimerfunc(unsigned long x) | |
2023 | { | |
2024 | capidrv_contr *card = (capidrv_contr *)x; | |
2025 | if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE) | |
2026 | printk(KERN_ERR "%s: controller dead ??\n", card->name); | |
2027 | send_listen(card); | |
2028 | mod_timer(&card->listentimer, jiffies + 60*HZ); | |
2029 | } | |
2030 | ||
2031 | ||
2032 | static int capidrv_addcontr(u16 contr, struct capi_profile *profp) | |
2033 | { | |
2034 | capidrv_contr *card; | |
2035 | unsigned long flags; | |
2036 | isdn_ctrl cmd; | |
2037 | char id[20]; | |
2038 | int i; | |
2039 | ||
2040 | sprintf(id, "capidrv-%d", contr); | |
2041 | if (!try_module_get(THIS_MODULE)) { | |
2042 | printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id); | |
2043 | return -1; | |
2044 | } | |
41f96935 | 2045 | if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) { |
1da177e4 LT |
2046 | printk(KERN_WARNING |
2047 | "capidrv: (%s) Could not allocate contr-struct.\n", id); | |
2048 | return -1; | |
2049 | } | |
1da177e4 LT |
2050 | card->owner = THIS_MODULE; |
2051 | init_timer(&card->listentimer); | |
2052 | strcpy(card->name, id); | |
2053 | card->contrnr = contr; | |
2054 | card->nbchan = profp->nbchannel; | |
5cbded58 | 2055 | card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); |
1da177e4 LT |
2056 | if (!card->bchans) { |
2057 | printk(KERN_WARNING | |
2058 | "capidrv: (%s) Could not allocate bchan-structs.\n", id); | |
2059 | module_put(card->owner); | |
2060 | kfree(card); | |
2061 | return -1; | |
2062 | } | |
2063 | card->interface.channels = profp->nbchannel; | |
2064 | card->interface.maxbufsize = 2048; | |
2065 | card->interface.command = if_command; | |
2066 | card->interface.writebuf_skb = if_sendbuf; | |
2067 | card->interface.writecmd = NULL; | |
2068 | card->interface.readstat = if_readstat; | |
2069 | card->interface.features = ISDN_FEATURE_L2_HDLC | | |
2070 | ISDN_FEATURE_L2_TRANS | | |
2071 | ISDN_FEATURE_L3_TRANS | | |
2072 | ISDN_FEATURE_P_UNKNOWN | | |
2073 | ISDN_FEATURE_L2_X75I | | |
2074 | ISDN_FEATURE_L2_X75UI | | |
2075 | ISDN_FEATURE_L2_X75BUI; | |
2076 | if (profp->support1 & (1<<2)) | |
2077 | card->interface.features |= ISDN_FEATURE_L2_V11096 | | |
2078 | ISDN_FEATURE_L2_V11019 | | |
2079 | ISDN_FEATURE_L2_V11038; | |
2080 | if (profp->support1 & (1<<8)) | |
2081 | card->interface.features |= ISDN_FEATURE_L2_MODEM; | |
2082 | card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */ | |
2083 | strncpy(card->interface.id, id, sizeof(card->interface.id) - 1); | |
2084 | ||
2085 | ||
2086 | card->q931_read = card->q931_buf; | |
2087 | card->q931_write = card->q931_buf; | |
2088 | card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1; | |
2089 | ||
2090 | if (!register_isdn(&card->interface)) { | |
2091 | printk(KERN_ERR "capidrv: Unable to register contr %s\n", id); | |
2092 | kfree(card->bchans); | |
2093 | module_put(card->owner); | |
2094 | kfree(card); | |
2095 | return -1; | |
2096 | } | |
2097 | card->myid = card->interface.channels; | |
2098 | memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan); | |
2099 | for (i = 0; i < card->nbchan; i++) { | |
2100 | card->bchans[i].contr = card; | |
2101 | } | |
2102 | ||
2103 | spin_lock_irqsave(&global_lock, flags); | |
2104 | card->next = global.contr_list; | |
2105 | global.contr_list = card; | |
2106 | global.ncontr++; | |
2107 | spin_unlock_irqrestore(&global_lock, flags); | |
2108 | ||
2109 | cmd.command = ISDN_STAT_RUN; | |
2110 | cmd.driver = card->myid; | |
2111 | card->interface.statcallb(&cmd); | |
2112 | ||
2113 | card->cipmask = 0x1FFF03FF; /* any */ | |
2114 | card->cipmask2 = 0; | |
2115 | ||
2116 | card->listentimer.data = (unsigned long)card; | |
2117 | card->listentimer.function = listentimerfunc; | |
2118 | send_listen(card); | |
2119 | mod_timer(&card->listentimer, jiffies + 60*HZ); | |
2120 | ||
2121 | printk(KERN_INFO "%s: now up (%d B channels)\n", | |
2122 | card->name, card->nbchan); | |
2123 | ||
2124 | enable_dchannel_trace(card); | |
2125 | ||
2126 | return 0; | |
2127 | } | |
2128 | ||
2129 | static int capidrv_delcontr(u16 contr) | |
2130 | { | |
2131 | capidrv_contr **pp, *card; | |
2132 | unsigned long flags; | |
2133 | isdn_ctrl cmd; | |
2134 | ||
2135 | spin_lock_irqsave(&global_lock, flags); | |
2136 | for (card = global.contr_list; card; card = card->next) { | |
2137 | if (card->contrnr == contr) | |
2138 | break; | |
2139 | } | |
2140 | if (!card) { | |
2141 | spin_unlock_irqrestore(&global_lock, flags); | |
2142 | printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr); | |
2143 | return -1; | |
2144 | } | |
b393243f JG |
2145 | |
2146 | /* FIXME: maybe a race condition the card should be removed | |
2147 | * here from global list /kkeil | |
2148 | */ | |
1da177e4 LT |
2149 | spin_unlock_irqrestore(&global_lock, flags); |
2150 | ||
2151 | del_timer(&card->listentimer); | |
2152 | ||
2153 | if (debugmode) | |
2154 | printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n", | |
2155 | card->contrnr, card->myid); | |
2156 | ||
2157 | cmd.command = ISDN_STAT_STOP; | |
2158 | cmd.driver = card->myid; | |
2159 | card->interface.statcallb(&cmd); | |
2160 | ||
2161 | while (card->nbchan) { | |
2162 | ||
2163 | cmd.command = ISDN_STAT_DISCH; | |
2164 | cmd.driver = card->myid; | |
2165 | cmd.arg = card->nbchan-1; | |
2166 | cmd.parm.num[0] = 0; | |
2167 | if (debugmode) | |
2168 | printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n", | |
2169 | card->contrnr, card->myid, cmd.arg); | |
2170 | card->interface.statcallb(&cmd); | |
2171 | ||
2172 | if (card->bchans[card->nbchan-1].nccip) | |
2173 | free_ncci(card, card->bchans[card->nbchan-1].nccip); | |
2174 | if (card->bchans[card->nbchan-1].plcip) | |
2175 | free_plci(card, card->bchans[card->nbchan-1].plcip); | |
2176 | if (card->plci_list) | |
2177 | printk(KERN_ERR "capidrv: bug in free_plci()\n"); | |
2178 | card->nbchan--; | |
2179 | } | |
2180 | kfree(card->bchans); | |
2181 | card->bchans = NULL; | |
2182 | ||
2183 | if (debugmode) | |
2184 | printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n", | |
2185 | card->contrnr, card->myid); | |
2186 | ||
2187 | cmd.command = ISDN_STAT_UNLOAD; | |
2188 | cmd.driver = card->myid; | |
2189 | card->interface.statcallb(&cmd); | |
2190 | ||
2191 | if (debugmode) | |
2192 | printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n", | |
2193 | card->contrnr, card->myid); | |
2194 | ||
2195 | spin_lock_irqsave(&global_lock, flags); | |
2196 | for (pp = &global.contr_list; *pp; pp = &(*pp)->next) { | |
2197 | if (*pp == card) { | |
2198 | *pp = (*pp)->next; | |
2199 | card->next = NULL; | |
2200 | global.ncontr--; | |
2201 | break; | |
2202 | } | |
2203 | } | |
2204 | spin_unlock_irqrestore(&global_lock, flags); | |
2205 | ||
2206 | module_put(card->owner); | |
2207 | printk(KERN_INFO "%s: now down.\n", card->name); | |
2208 | kfree(card); | |
2209 | return 0; | |
2210 | } | |
2211 | ||
2212 | ||
ef69bb2e JK |
2213 | static int |
2214 | lower_callback(struct notifier_block *nb, unsigned long val, void *v) | |
1da177e4 | 2215 | { |
ef69bb2e JK |
2216 | capi_profile profile; |
2217 | u32 contr = (long)v; | |
1da177e4 | 2218 | |
ef69bb2e JK |
2219 | switch (val) { |
2220 | case CAPICTR_UP: | |
1da177e4 | 2221 | printk(KERN_INFO "capidrv: controller %hu up\n", contr); |
ef69bb2e JK |
2222 | if (capi20_get_profile(contr, &profile) == CAPI_NOERROR) |
2223 | (void) capidrv_addcontr(contr, &profile); | |
1da177e4 | 2224 | break; |
ef69bb2e | 2225 | case CAPICTR_DOWN: |
1da177e4 LT |
2226 | printk(KERN_INFO "capidrv: controller %hu down\n", contr); |
2227 | (void) capidrv_delcontr(contr); | |
2228 | break; | |
2229 | } | |
ef69bb2e | 2230 | return NOTIFY_OK; |
1da177e4 LT |
2231 | } |
2232 | ||
2233 | /* | |
2234 | * /proc/capi/capidrv: | |
2235 | * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt | |
2236 | */ | |
9a58a80a | 2237 | static int capidrv_proc_show(struct seq_file *m, void *v) |
1da177e4 | 2238 | { |
9a58a80a | 2239 | seq_printf(m, "%lu %lu %lu %lu\n", |
1da177e4 LT |
2240 | global.ap.nrecvctlpkt, |
2241 | global.ap.nrecvdatapkt, | |
2242 | global.ap.nsentctlpkt, | |
2243 | global.ap.nsentdatapkt); | |
9a58a80a AD |
2244 | return 0; |
2245 | } | |
2246 | ||
2247 | static int capidrv_proc_open(struct inode *inode, struct file *file) | |
2248 | { | |
2249 | return single_open(file, capidrv_proc_show, NULL); | |
1da177e4 LT |
2250 | } |
2251 | ||
9a58a80a AD |
2252 | static const struct file_operations capidrv_proc_fops = { |
2253 | .owner = THIS_MODULE, | |
2254 | .open = capidrv_proc_open, | |
2255 | .read = seq_read, | |
2256 | .llseek = seq_lseek, | |
2257 | .release = single_release, | |
1da177e4 LT |
2258 | }; |
2259 | ||
2260 | static void __init proc_init(void) | |
2261 | { | |
9a58a80a | 2262 | proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops); |
1da177e4 LT |
2263 | } |
2264 | ||
2265 | static void __exit proc_exit(void) | |
2266 | { | |
9a58a80a | 2267 | remove_proc_entry("capi/capidrv", NULL); |
1da177e4 LT |
2268 | } |
2269 | ||
ef69bb2e JK |
2270 | static struct notifier_block capictr_nb = { |
2271 | .notifier_call = lower_callback, | |
2272 | }; | |
2273 | ||
1da177e4 LT |
2274 | static int __init capidrv_init(void) |
2275 | { | |
2276 | capi_profile profile; | |
1da177e4 LT |
2277 | u32 ncontr, contr; |
2278 | u16 errcode; | |
2279 | ||
1da177e4 LT |
2280 | global.ap.rparam.level3cnt = -2; /* number of bchannels twice */ |
2281 | global.ap.rparam.datablkcnt = 16; | |
2282 | global.ap.rparam.datablklen = 2048; | |
2283 | ||
2284 | global.ap.recv_message = capidrv_recv_message; | |
2285 | errcode = capi20_register(&global.ap); | |
2286 | if (errcode) { | |
2287 | return -EIO; | |
2288 | } | |
2289 | ||
ef69bb2e | 2290 | register_capictr_notifier(&capictr_nb); |
1da177e4 LT |
2291 | |
2292 | errcode = capi20_get_profile(0, &profile); | |
2293 | if (errcode != CAPI_NOERROR) { | |
2294 | capi20_release(&global.ap); | |
2295 | return -EIO; | |
2296 | } | |
2297 | ||
2298 | ncontr = profile.ncontroller; | |
2299 | for (contr = 1; contr <= ncontr; contr++) { | |
2300 | errcode = capi20_get_profile(contr, &profile); | |
2301 | if (errcode != CAPI_NOERROR) | |
2302 | continue; | |
2303 | (void) capidrv_addcontr(contr, &profile); | |
2304 | } | |
2305 | proc_init(); | |
2306 | ||
1da177e4 LT |
2307 | return 0; |
2308 | } | |
2309 | ||
2310 | static void __exit capidrv_exit(void) | |
2311 | { | |
ef69bb2e | 2312 | unregister_capictr_notifier(&capictr_nb); |
1da177e4 LT |
2313 | capi20_release(&global.ap); |
2314 | ||
2315 | proc_exit(); | |
1da177e4 LT |
2316 | } |
2317 | ||
2318 | module_init(capidrv_init); | |
2319 | module_exit(capidrv_exit); |