Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* $Id: callc.c,v 2.59.2.4 2004/02/11 13:21:32 keil Exp $ |
2 | * | |
3 | * Author Karsten Keil | |
4 | * Copyright by Karsten Keil <keil@isdn4linux.de> | |
5 | * | |
6 | * This software may be used and distributed according to the terms | |
7 | * of the GNU General Public License, incorporated herein by reference. | |
8 | * | |
9 | * For changes and modifications please read | |
10 | * Documentation/isdn/HiSax.cert | |
11 | * | |
12 | * based on the teles driver from Jan den Ouden | |
13 | * | |
14 | * Thanks to Jan den Ouden | |
15 | * Fritz Elfert | |
16 | * | |
17 | */ | |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/init.h> | |
21 | #include "hisax.h" | |
22 | #include <linux/isdn/capicmd.h> | |
23 | ||
24 | const char *lli_revision = "$Revision: 2.59.2.4 $"; | |
25 | ||
26 | extern struct IsdnCard cards[]; | |
1da177e4 LT |
27 | |
28 | static int init_b_st(struct Channel *chanp, int incoming); | |
29 | static void release_b_st(struct Channel *chanp); | |
30 | ||
31 | static struct Fsm callcfsm; | |
32 | static int chancount; | |
33 | ||
34 | /* experimental REJECT after ALERTING for CALLBACK to beat the 4s delay */ | |
35 | #define ALERT_REJECT 0 | |
36 | ||
37 | /* Value to delay the sending of the first B-channel paket after CONNECT | |
38 | * here is no value given by ITU, but experience shows that 300 ms will | |
39 | * work on many networks, if you or your other side is behind local exchanges | |
40 | * a greater value may be recommented. If the delay is to short the first paket | |
41 | * will be lost and autodetect on many comercial routers goes wrong ! | |
42 | * You can adjust this value on runtime with | |
43 | * hisaxctrl <id> 2 <value> | |
44 | * value is in milliseconds | |
45 | */ | |
46 | #define DEFAULT_B_DELAY 300 | |
47 | ||
48 | /* Flags for remembering action done in lli */ | |
49 | ||
50 | #define FLG_START_B 0 | |
51 | ||
52 | /* | |
53 | * Find card with given driverId | |
54 | */ | |
55 | static inline struct IsdnCardState * | |
56 | hisax_findcard(int driverid) | |
57 | { | |
58 | int i; | |
59 | ||
60 | for (i = 0; i < nrcards; i++) | |
61 | if (cards[i].cs) | |
62 | if (cards[i].cs->myid == driverid) | |
63 | return (cards[i].cs); | |
64 | return (struct IsdnCardState *) 0; | |
65 | } | |
66 | ||
67 | static void | |
68 | link_debug(struct Channel *chanp, int direction, char *fmt, ...) | |
69 | { | |
70 | va_list args; | |
71 | char tmp[16]; | |
72 | ||
73 | va_start(args, fmt); | |
74 | sprintf(tmp, "Ch%d %s ", chanp->chan, | |
75 | direction ? "LL->HL" : "HL->LL"); | |
76 | VHiSax_putstatus(chanp->cs, tmp, fmt, args); | |
77 | va_end(args); | |
78 | } | |
79 | ||
80 | enum { | |
81 | ST_NULL, /* 0 inactive */ | |
82 | ST_OUT_DIAL, /* 1 outgoing, SETUP send; awaiting confirm */ | |
83 | ST_IN_WAIT_LL, /* 2 incoming call received; wait for LL confirm */ | |
84 | ST_IN_ALERT_SENT, /* 3 incoming call received; ALERT send */ | |
85 | ST_IN_WAIT_CONN_ACK, /* 4 incoming CONNECT send; awaiting CONN_ACK */ | |
86 | ST_WAIT_BCONN, /* 5 CONNECT/CONN_ACK received, awaiting b-channel prot. estbl. */ | |
87 | ST_ACTIVE, /* 6 active, b channel prot. established */ | |
88 | ST_WAIT_BRELEASE, /* 7 call clear. (initiator), awaiting b channel prot. rel. */ | |
89 | ST_WAIT_BREL_DISC, /* 8 call clear. (receiver), DISCONNECT req. received */ | |
90 | ST_WAIT_DCOMMAND, /* 9 call clear. (receiver), awaiting DCHANNEL message */ | |
91 | ST_WAIT_DRELEASE, /* 10 DISCONNECT sent, awaiting RELEASE */ | |
92 | ST_WAIT_D_REL_CNF, /* 11 RELEASE sent, awaiting RELEASE confirm */ | |
93 | ST_IN_PROCEED_SEND, /* 12 incoming call, proceeding send */ | |
94 | }; | |
95 | ||
96 | ||
97 | #define STATE_COUNT (ST_IN_PROCEED_SEND + 1) | |
98 | ||
99 | static char *strState[] = | |
100 | { | |
101 | "ST_NULL", | |
102 | "ST_OUT_DIAL", | |
103 | "ST_IN_WAIT_LL", | |
104 | "ST_IN_ALERT_SENT", | |
105 | "ST_IN_WAIT_CONN_ACK", | |
106 | "ST_WAIT_BCONN", | |
107 | "ST_ACTIVE", | |
108 | "ST_WAIT_BRELEASE", | |
109 | "ST_WAIT_BREL_DISC", | |
110 | "ST_WAIT_DCOMMAND", | |
111 | "ST_WAIT_DRELEASE", | |
112 | "ST_WAIT_D_REL_CNF", | |
113 | "ST_IN_PROCEED_SEND", | |
114 | }; | |
115 | ||
116 | enum { | |
117 | EV_DIAL, /* 0 */ | |
118 | EV_SETUP_CNF, /* 1 */ | |
119 | EV_ACCEPTB, /* 2 */ | |
120 | EV_DISCONNECT_IND, /* 3 */ | |
121 | EV_RELEASE, /* 4 */ | |
122 | EV_LEASED, /* 5 */ | |
123 | EV_LEASED_REL, /* 6 */ | |
124 | EV_SETUP_IND, /* 7 */ | |
125 | EV_ACCEPTD, /* 8 */ | |
126 | EV_SETUP_CMPL_IND, /* 9 */ | |
127 | EV_BC_EST, /* 10 */ | |
128 | EV_WRITEBUF, /* 11 */ | |
129 | EV_HANGUP, /* 12 */ | |
130 | EV_BC_REL, /* 13 */ | |
131 | EV_CINF, /* 14 */ | |
132 | EV_SUSPEND, /* 15 */ | |
133 | EV_RESUME, /* 16 */ | |
134 | EV_NOSETUP_RSP, /* 17 */ | |
135 | EV_SETUP_ERR, /* 18 */ | |
136 | EV_CONNECT_ERR, /* 19 */ | |
137 | EV_PROCEED, /* 20 */ | |
138 | EV_ALERT, /* 21 */ | |
139 | EV_REDIR, /* 22 */ | |
140 | }; | |
141 | ||
142 | #define EVENT_COUNT (EV_REDIR + 1) | |
143 | ||
144 | static char *strEvent[] = | |
145 | { | |
146 | "EV_DIAL", | |
147 | "EV_SETUP_CNF", | |
148 | "EV_ACCEPTB", | |
149 | "EV_DISCONNECT_IND", | |
150 | "EV_RELEASE", | |
151 | "EV_LEASED", | |
152 | "EV_LEASED_REL", | |
153 | "EV_SETUP_IND", | |
154 | "EV_ACCEPTD", | |
155 | "EV_SETUP_CMPL_IND", | |
156 | "EV_BC_EST", | |
157 | "EV_WRITEBUF", | |
158 | "EV_HANGUP", | |
159 | "EV_BC_REL", | |
160 | "EV_CINF", | |
161 | "EV_SUSPEND", | |
162 | "EV_RESUME", | |
163 | "EV_NOSETUP_RSP", | |
164 | "EV_SETUP_ERR", | |
165 | "EV_CONNECT_ERR", | |
166 | "EV_PROCEED", | |
167 | "EV_ALERT", | |
168 | "EV_REDIR", | |
169 | }; | |
170 | ||
171 | ||
172 | static inline void | |
173 | HL_LL(struct Channel *chanp, int command) | |
174 | { | |
175 | isdn_ctrl ic; | |
176 | ||
177 | ic.driver = chanp->cs->myid; | |
178 | ic.command = command; | |
179 | ic.arg = chanp->chan; | |
180 | chanp->cs->iif.statcallb(&ic); | |
181 | } | |
182 | ||
183 | static inline void | |
184 | lli_deliver_cause(struct Channel *chanp) | |
185 | { | |
186 | isdn_ctrl ic; | |
187 | ||
188 | if (!chanp->proc) | |
189 | return; | |
190 | if (chanp->proc->para.cause == NO_CAUSE) | |
191 | return; | |
192 | ic.driver = chanp->cs->myid; | |
193 | ic.command = ISDN_STAT_CAUSE; | |
194 | ic.arg = chanp->chan; | |
195 | if (chanp->cs->protocol == ISDN_PTYPE_EURO) | |
196 | sprintf(ic.parm.num, "E%02X%02X", chanp->proc->para.loc & 0x7f, | |
197 | chanp->proc->para.cause & 0x7f); | |
198 | else | |
199 | sprintf(ic.parm.num, "%02X%02X", chanp->proc->para.loc & 0x7f, | |
200 | chanp->proc->para.cause & 0x7f); | |
201 | chanp->cs->iif.statcallb(&ic); | |
202 | } | |
203 | ||
204 | static inline void | |
205 | lli_close(struct FsmInst *fi) | |
206 | { | |
207 | struct Channel *chanp = fi->userdata; | |
208 | ||
209 | FsmChangeState(fi, ST_NULL); | |
210 | chanp->Flags = 0; | |
211 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
212 | } | |
213 | ||
214 | static void | |
215 | lli_leased_in(struct FsmInst *fi, int event, void *arg) | |
216 | { | |
217 | struct Channel *chanp = fi->userdata; | |
218 | isdn_ctrl ic; | |
219 | int ret; | |
220 | ||
221 | if (!chanp->leased) | |
222 | return; | |
223 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
224 | FsmChangeState(fi, ST_IN_WAIT_LL); | |
225 | if (chanp->debug & 1) | |
226 | link_debug(chanp, 0, "STAT_ICALL_LEASED"); | |
227 | ic.driver = chanp->cs->myid; | |
228 | ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); | |
229 | ic.arg = chanp->chan; | |
230 | ic.parm.setup.si1 = 7; | |
231 | ic.parm.setup.si2 = 0; | |
232 | ic.parm.setup.plan = 0; | |
233 | ic.parm.setup.screen = 0; | |
234 | sprintf(ic.parm.setup.eazmsn,"%d", chanp->chan + 1); | |
235 | sprintf(ic.parm.setup.phone,"LEASED%d", chanp->cs->myid); | |
236 | ret = chanp->cs->iif.statcallb(&ic); | |
237 | if (chanp->debug & 1) | |
238 | link_debug(chanp, 1, "statcallb ret=%d", ret); | |
239 | if (!ret) { | |
240 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
241 | FsmChangeState(fi, ST_NULL); | |
242 | } | |
243 | } | |
244 | ||
245 | ||
246 | /* | |
247 | * Dial out | |
248 | */ | |
249 | static void | |
250 | lli_init_bchan_out(struct FsmInst *fi, int event, void *arg) | |
251 | { | |
252 | struct Channel *chanp = fi->userdata; | |
253 | ||
254 | FsmChangeState(fi, ST_WAIT_BCONN); | |
255 | if (chanp->debug & 1) | |
256 | link_debug(chanp, 0, "STAT_DCONN"); | |
257 | HL_LL(chanp, ISDN_STAT_DCONN); | |
258 | init_b_st(chanp, 0); | |
259 | chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); | |
260 | } | |
261 | ||
262 | static void | |
263 | lli_prep_dialout(struct FsmInst *fi, int event, void *arg) | |
264 | { | |
265 | struct Channel *chanp = fi->userdata; | |
266 | ||
267 | FsmDelTimer(&chanp->drel_timer, 60); | |
268 | FsmDelTimer(&chanp->dial_timer, 73); | |
269 | chanp->l2_active_protocol = chanp->l2_protocol; | |
270 | chanp->incoming = 0; | |
271 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
272 | if (chanp->leased) { | |
273 | lli_init_bchan_out(fi, event, arg); | |
274 | } else { | |
275 | FsmChangeState(fi, ST_OUT_DIAL); | |
276 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | REQUEST, chanp); | |
277 | } | |
278 | } | |
279 | ||
280 | static void | |
281 | lli_resume(struct FsmInst *fi, int event, void *arg) | |
282 | { | |
283 | struct Channel *chanp = fi->userdata; | |
284 | ||
285 | FsmDelTimer(&chanp->drel_timer, 60); | |
286 | FsmDelTimer(&chanp->dial_timer, 73); | |
287 | chanp->l2_active_protocol = chanp->l2_protocol; | |
288 | chanp->incoming = 0; | |
289 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
290 | if (chanp->leased) { | |
291 | lli_init_bchan_out(fi, event, arg); | |
292 | } else { | |
293 | FsmChangeState(fi, ST_OUT_DIAL); | |
294 | chanp->d_st->lli.l4l3(chanp->d_st, CC_RESUME | REQUEST, chanp); | |
295 | } | |
296 | } | |
297 | ||
298 | static void | |
299 | lli_go_active(struct FsmInst *fi, int event, void *arg) | |
300 | { | |
301 | struct Channel *chanp = fi->userdata; | |
302 | isdn_ctrl ic; | |
303 | ||
304 | ||
305 | FsmChangeState(fi, ST_ACTIVE); | |
306 | chanp->data_open = !0; | |
307 | if (chanp->bcs->conmsg) | |
308 | strcpy(ic.parm.num, chanp->bcs->conmsg); | |
309 | else | |
310 | ic.parm.num[0] = 0; | |
311 | if (chanp->debug & 1) | |
312 | link_debug(chanp, 0, "STAT_BCONN %s", ic.parm.num); | |
313 | ic.driver = chanp->cs->myid; | |
314 | ic.command = ISDN_STAT_BCONN; | |
315 | ic.arg = chanp->chan; | |
316 | chanp->cs->iif.statcallb(&ic); | |
317 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_CONN, (void *) (long)chanp->chan); | |
318 | } | |
319 | ||
320 | ||
321 | /* | |
322 | * RESUME | |
323 | */ | |
324 | ||
325 | /* incoming call */ | |
326 | ||
327 | static void | |
328 | lli_deliver_call(struct FsmInst *fi, int event, void *arg) | |
329 | { | |
330 | struct Channel *chanp = fi->userdata; | |
331 | isdn_ctrl ic; | |
332 | int ret; | |
333 | ||
334 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
335 | /* | |
336 | * Report incoming calls only once to linklevel, use CallFlags | |
337 | * which is set to 3 with each broadcast message in isdnl1.c | |
338 | * and resetted if a interface answered the STAT_ICALL. | |
339 | */ | |
340 | if (1) { /* for only one TEI */ | |
341 | FsmChangeState(fi, ST_IN_WAIT_LL); | |
342 | if (chanp->debug & 1) | |
343 | link_debug(chanp, 0, (chanp->chan < 2) ? "STAT_ICALL" : "STAT_ICALLW"); | |
344 | ic.driver = chanp->cs->myid; | |
345 | ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); | |
346 | ||
347 | ic.arg = chanp->chan; | |
348 | /* | |
349 | * No need to return "unknown" for calls without OAD, | |
350 | * cause that's handled in linklevel now (replaced by '0') | |
351 | */ | |
352 | memcpy(&ic.parm.setup, &chanp->proc->para.setup, sizeof(setup_parm)); | |
353 | ret = chanp->cs->iif.statcallb(&ic); | |
354 | if (chanp->debug & 1) | |
355 | link_debug(chanp, 1, "statcallb ret=%d", ret); | |
356 | ||
357 | switch (ret) { | |
358 | case 1: /* OK, someone likes this call */ | |
359 | FsmDelTimer(&chanp->drel_timer, 61); | |
360 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
361 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
362 | break; | |
363 | case 5: /* direct redirect */ | |
364 | case 4: /* Proceeding desired */ | |
365 | FsmDelTimer(&chanp->drel_timer, 61); | |
366 | FsmChangeState(fi, ST_IN_PROCEED_SEND); | |
367 | chanp->d_st->lli.l4l3(chanp->d_st, CC_PROCEED_SEND | REQUEST, chanp->proc); | |
368 | if (ret == 5) { | |
369 | memcpy(&chanp->setup, &ic.parm.setup, sizeof(setup_parm)); | |
370 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); | |
371 | } | |
372 | break; | |
373 | case 2: /* Rejecting Call */ | |
374 | break; | |
375 | case 3: /* incomplete number */ | |
376 | FsmDelTimer(&chanp->drel_timer, 61); | |
377 | chanp->d_st->lli.l4l3(chanp->d_st, CC_MORE_INFO | REQUEST, chanp->proc); | |
378 | break; | |
379 | case 0: /* OK, nobody likes this call */ | |
380 | default: /* statcallb problems */ | |
381 | chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); | |
382 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
383 | FsmChangeState(fi, ST_NULL); | |
384 | break; | |
385 | } | |
386 | } else { | |
387 | chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); | |
388 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
389 | } | |
390 | } | |
391 | ||
392 | static void | |
393 | lli_send_dconnect(struct FsmInst *fi, int event, void *arg) | |
394 | { | |
395 | struct Channel *chanp = fi->userdata; | |
396 | ||
397 | FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); | |
398 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); | |
399 | } | |
400 | ||
401 | static void | |
402 | lli_send_alert(struct FsmInst *fi, int event, void *arg) | |
403 | { | |
404 | struct Channel *chanp = fi->userdata; | |
405 | ||
406 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
407 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
408 | } | |
409 | ||
410 | static void | |
411 | lli_send_redir(struct FsmInst *fi, int event, void *arg) | |
412 | { | |
413 | struct Channel *chanp = fi->userdata; | |
414 | ||
415 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); | |
416 | } | |
417 | ||
418 | static void | |
419 | lli_init_bchan_in(struct FsmInst *fi, int event, void *arg) | |
420 | { | |
421 | struct Channel *chanp = fi->userdata; | |
422 | ||
423 | FsmChangeState(fi, ST_WAIT_BCONN); | |
424 | if (chanp->debug & 1) | |
425 | link_debug(chanp, 0, "STAT_DCONN"); | |
426 | HL_LL(chanp, ISDN_STAT_DCONN); | |
427 | chanp->l2_active_protocol = chanp->l2_protocol; | |
428 | chanp->incoming = !0; | |
429 | init_b_st(chanp, !0); | |
430 | chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); | |
431 | } | |
432 | ||
433 | static void | |
434 | lli_setup_rsp(struct FsmInst *fi, int event, void *arg) | |
435 | { | |
436 | struct Channel *chanp = fi->userdata; | |
437 | ||
438 | if (chanp->leased) { | |
439 | lli_init_bchan_in(fi, event, arg); | |
440 | } else { | |
441 | FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); | |
442 | #ifdef WANT_ALERT | |
443 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
444 | #endif | |
445 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); | |
446 | } | |
447 | } | |
448 | ||
449 | /* Call suspend */ | |
450 | ||
451 | static void | |
452 | lli_suspend(struct FsmInst *fi, int event, void *arg) | |
453 | { | |
454 | struct Channel *chanp = fi->userdata; | |
455 | ||
456 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SUSPEND | REQUEST, chanp->proc); | |
457 | } | |
458 | ||
459 | /* Call clearing */ | |
460 | ||
461 | static void | |
462 | lli_leased_hup(struct FsmInst *fi, struct Channel *chanp) | |
463 | { | |
464 | isdn_ctrl ic; | |
465 | ||
466 | ic.driver = chanp->cs->myid; | |
467 | ic.command = ISDN_STAT_CAUSE; | |
468 | ic.arg = chanp->chan; | |
469 | sprintf(ic.parm.num, "L0010"); | |
470 | chanp->cs->iif.statcallb(&ic); | |
471 | if (chanp->debug & 1) | |
472 | link_debug(chanp, 0, "STAT_DHUP"); | |
473 | HL_LL(chanp, ISDN_STAT_DHUP); | |
474 | lli_close(fi); | |
475 | } | |
476 | ||
477 | static void | |
478 | lli_disconnect_req(struct FsmInst *fi, int event, void *arg) | |
479 | { | |
480 | struct Channel *chanp = fi->userdata; | |
481 | ||
482 | if (chanp->leased) { | |
483 | lli_leased_hup(fi, chanp); | |
484 | } else { | |
485 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
486 | if (chanp->proc) | |
487 | chanp->proc->para.cause = 0x10; /* Normal Call Clearing */ | |
488 | chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, | |
489 | chanp->proc); | |
490 | } | |
491 | } | |
492 | ||
493 | static void | |
494 | lli_disconnect_reject(struct FsmInst *fi, int event, void *arg) | |
495 | { | |
496 | struct Channel *chanp = fi->userdata; | |
497 | ||
498 | if (chanp->leased) { | |
499 | lli_leased_hup(fi, chanp); | |
500 | } else { | |
501 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
502 | if (chanp->proc) | |
503 | chanp->proc->para.cause = 0x15; /* Call Rejected */ | |
504 | chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, | |
505 | chanp->proc); | |
506 | } | |
507 | } | |
508 | ||
509 | static void | |
510 | lli_dhup_close(struct FsmInst *fi, int event, void *arg) | |
511 | { | |
512 | struct Channel *chanp = fi->userdata; | |
513 | ||
514 | if (chanp->leased) { | |
515 | lli_leased_hup(fi, chanp); | |
516 | } else { | |
517 | if (chanp->debug & 1) | |
518 | link_debug(chanp, 0, "STAT_DHUP"); | |
519 | lli_deliver_cause(chanp); | |
520 | HL_LL(chanp, ISDN_STAT_DHUP); | |
521 | lli_close(fi); | |
522 | } | |
523 | } | |
524 | ||
525 | static void | |
526 | lli_reject_req(struct FsmInst *fi, int event, void *arg) | |
527 | { | |
528 | struct Channel *chanp = fi->userdata; | |
529 | ||
530 | if (chanp->leased) { | |
531 | lli_leased_hup(fi, chanp); | |
532 | return; | |
533 | } | |
534 | #ifndef ALERT_REJECT | |
535 | if (chanp->proc) | |
536 | chanp->proc->para.cause = 0x15; /* Call Rejected */ | |
537 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REJECT | REQUEST, chanp->proc); | |
538 | lli_dhup_close(fi, event, arg); | |
539 | #else | |
540 | FsmRestartTimer(&chanp->drel_timer, 40, EV_HANGUP, NULL, 63); | |
541 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
542 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
543 | #endif | |
544 | } | |
545 | ||
546 | static void | |
547 | lli_disconn_bchan(struct FsmInst *fi, int event, void *arg) | |
548 | { | |
549 | struct Channel *chanp = fi->userdata; | |
550 | ||
551 | chanp->data_open = 0; | |
552 | FsmChangeState(fi, ST_WAIT_BRELEASE); | |
553 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
554 | } | |
555 | ||
556 | static void | |
557 | lli_start_disc(struct FsmInst *fi, int event, void *arg) | |
558 | { | |
559 | struct Channel *chanp = fi->userdata; | |
560 | ||
561 | if (chanp->leased) { | |
562 | lli_leased_hup(fi, chanp); | |
563 | } else { | |
564 | lli_disconnect_req(fi, event, arg); | |
565 | } | |
566 | } | |
567 | ||
568 | static void | |
569 | lli_rel_b_disc(struct FsmInst *fi, int event, void *arg) | |
570 | { | |
571 | struct Channel *chanp = fi->userdata; | |
572 | ||
573 | release_b_st(chanp); | |
574 | lli_start_disc(fi, event, arg); | |
575 | } | |
576 | ||
577 | static void | |
578 | lli_bhup_disc(struct FsmInst *fi, int event, void *arg) | |
579 | { | |
580 | struct Channel *chanp = fi->userdata; | |
581 | ||
582 | if (chanp->debug & 1) | |
583 | link_debug(chanp, 0, "STAT_BHUP"); | |
584 | HL_LL(chanp, ISDN_STAT_BHUP); | |
585 | lli_rel_b_disc(fi, event, arg); | |
586 | } | |
587 | ||
588 | static void | |
589 | lli_bhup_rel_b(struct FsmInst *fi, int event, void *arg) | |
590 | { | |
591 | struct Channel *chanp = fi->userdata; | |
592 | ||
593 | FsmChangeState(fi, ST_WAIT_DCOMMAND); | |
594 | chanp->data_open = 0; | |
595 | if (chanp->debug & 1) | |
596 | link_debug(chanp, 0, "STAT_BHUP"); | |
597 | HL_LL(chanp, ISDN_STAT_BHUP); | |
598 | release_b_st(chanp); | |
599 | } | |
600 | ||
601 | static void | |
602 | lli_release_bchan(struct FsmInst *fi, int event, void *arg) | |
603 | { | |
604 | struct Channel *chanp = fi->userdata; | |
605 | ||
606 | chanp->data_open = 0; | |
607 | FsmChangeState(fi, ST_WAIT_BREL_DISC); | |
608 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
609 | } | |
610 | ||
611 | ||
612 | static void | |
613 | lli_rel_b_dhup(struct FsmInst *fi, int event, void *arg) | |
614 | { | |
615 | struct Channel *chanp = fi->userdata; | |
616 | ||
617 | release_b_st(chanp); | |
618 | lli_dhup_close(fi, event, arg); | |
619 | } | |
620 | ||
621 | static void | |
622 | lli_bhup_dhup(struct FsmInst *fi, int event, void *arg) | |
623 | { | |
624 | struct Channel *chanp = fi->userdata; | |
625 | ||
626 | if (chanp->debug & 1) | |
627 | link_debug(chanp, 0, "STAT_BHUP"); | |
628 | HL_LL(chanp, ISDN_STAT_BHUP); | |
629 | lli_rel_b_dhup(fi, event, arg); | |
630 | } | |
631 | ||
632 | static void | |
633 | lli_abort(struct FsmInst *fi, int event, void *arg) | |
634 | { | |
635 | struct Channel *chanp = fi->userdata; | |
636 | ||
637 | chanp->data_open = 0; | |
638 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
639 | lli_bhup_dhup(fi, event, arg); | |
640 | } | |
641 | ||
642 | static void | |
643 | lli_release_req(struct FsmInst *fi, int event, void *arg) | |
644 | { | |
645 | struct Channel *chanp = fi->userdata; | |
646 | ||
647 | if (chanp->leased) { | |
648 | lli_leased_hup(fi, chanp); | |
649 | } else { | |
650 | FsmChangeState(fi, ST_WAIT_D_REL_CNF); | |
651 | chanp->d_st->lli.l4l3(chanp->d_st, CC_RELEASE | REQUEST, | |
652 | chanp->proc); | |
653 | } | |
654 | } | |
655 | ||
656 | static void | |
657 | lli_rel_b_release_req(struct FsmInst *fi, int event, void *arg) | |
658 | { | |
659 | struct Channel *chanp = fi->userdata; | |
660 | ||
661 | release_b_st(chanp); | |
662 | lli_release_req(fi, event, arg); | |
663 | } | |
664 | ||
665 | static void | |
666 | lli_bhup_release_req(struct FsmInst *fi, int event, void *arg) | |
667 | { | |
668 | struct Channel *chanp = fi->userdata; | |
669 | ||
670 | if (chanp->debug & 1) | |
671 | link_debug(chanp, 0, "STAT_BHUP"); | |
672 | HL_LL(chanp, ISDN_STAT_BHUP); | |
673 | lli_rel_b_release_req(fi, event, arg); | |
674 | } | |
675 | ||
676 | ||
677 | /* processing charge info */ | |
678 | static void | |
679 | lli_charge_info(struct FsmInst *fi, int event, void *arg) | |
680 | { | |
681 | struct Channel *chanp = fi->userdata; | |
682 | isdn_ctrl ic; | |
683 | ||
684 | ic.driver = chanp->cs->myid; | |
685 | ic.command = ISDN_STAT_CINF; | |
686 | ic.arg = chanp->chan; | |
687 | sprintf(ic.parm.num, "%d", chanp->proc->para.chargeinfo); | |
688 | chanp->cs->iif.statcallb(&ic); | |
689 | } | |
690 | ||
691 | /* error procedures */ | |
692 | ||
693 | static void | |
694 | lli_dchan_not_ready(struct FsmInst *fi, int event, void *arg) | |
695 | { | |
696 | struct Channel *chanp = fi->userdata; | |
697 | ||
698 | if (chanp->debug & 1) | |
699 | link_debug(chanp, 0, "STAT_DHUP"); | |
700 | HL_LL(chanp, ISDN_STAT_DHUP); | |
701 | } | |
702 | ||
703 | static void | |
704 | lli_no_setup_rsp(struct FsmInst *fi, int event, void *arg) | |
705 | { | |
706 | struct Channel *chanp = fi->userdata; | |
707 | ||
708 | if (chanp->debug & 1) | |
709 | link_debug(chanp, 0, "STAT_DHUP"); | |
710 | HL_LL(chanp, ISDN_STAT_DHUP); | |
711 | lli_close(fi); | |
712 | } | |
713 | ||
714 | static void | |
715 | lli_error(struct FsmInst *fi, int event, void *arg) | |
716 | { | |
717 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
718 | } | |
719 | ||
720 | static void | |
721 | lli_failure_l(struct FsmInst *fi, int event, void *arg) | |
722 | { | |
723 | struct Channel *chanp = fi->userdata; | |
724 | isdn_ctrl ic; | |
725 | ||
726 | FsmChangeState(fi, ST_NULL); | |
727 | ic.driver = chanp->cs->myid; | |
728 | ic.command = ISDN_STAT_CAUSE; | |
729 | ic.arg = chanp->chan; | |
730 | sprintf(ic.parm.num, "L%02X%02X", 0, 0x2f); | |
731 | chanp->cs->iif.statcallb(&ic); | |
732 | HL_LL(chanp, ISDN_STAT_DHUP); | |
733 | chanp->Flags = 0; | |
734 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
735 | } | |
736 | ||
737 | static void | |
738 | lli_rel_b_fail(struct FsmInst *fi, int event, void *arg) | |
739 | { | |
740 | struct Channel *chanp = fi->userdata; | |
741 | ||
742 | release_b_st(chanp); | |
743 | lli_failure_l(fi, event, arg); | |
744 | } | |
745 | ||
746 | static void | |
747 | lli_bhup_fail(struct FsmInst *fi, int event, void *arg) | |
748 | { | |
749 | struct Channel *chanp = fi->userdata; | |
750 | ||
751 | if (chanp->debug & 1) | |
752 | link_debug(chanp, 0, "STAT_BHUP"); | |
753 | HL_LL(chanp, ISDN_STAT_BHUP); | |
754 | lli_rel_b_fail(fi, event, arg); | |
755 | } | |
756 | ||
757 | static void | |
758 | lli_failure_a(struct FsmInst *fi, int event, void *arg) | |
759 | { | |
760 | struct Channel *chanp = fi->userdata; | |
761 | ||
762 | chanp->data_open = 0; | |
763 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
764 | lli_bhup_fail(fi, event, arg); | |
765 | } | |
766 | ||
767 | /* *INDENT-OFF* */ | |
768 | static struct FsmNode fnlist[] __initdata = | |
769 | { | |
770 | {ST_NULL, EV_DIAL, lli_prep_dialout}, | |
771 | {ST_NULL, EV_RESUME, lli_resume}, | |
772 | {ST_NULL, EV_SETUP_IND, lli_deliver_call}, | |
773 | {ST_NULL, EV_LEASED, lli_leased_in}, | |
774 | {ST_OUT_DIAL, EV_SETUP_CNF, lli_init_bchan_out}, | |
775 | {ST_OUT_DIAL, EV_HANGUP, lli_disconnect_req}, | |
776 | {ST_OUT_DIAL, EV_DISCONNECT_IND, lli_release_req}, | |
777 | {ST_OUT_DIAL, EV_RELEASE, lli_dhup_close}, | |
778 | {ST_OUT_DIAL, EV_NOSETUP_RSP, lli_no_setup_rsp}, | |
779 | {ST_OUT_DIAL, EV_SETUP_ERR, lli_error}, | |
780 | {ST_IN_WAIT_LL, EV_LEASED_REL, lli_failure_l}, | |
781 | {ST_IN_WAIT_LL, EV_ACCEPTD, lli_setup_rsp}, | |
782 | {ST_IN_WAIT_LL, EV_HANGUP, lli_reject_req}, | |
783 | {ST_IN_WAIT_LL, EV_DISCONNECT_IND, lli_release_req}, | |
784 | {ST_IN_WAIT_LL, EV_RELEASE, lli_dhup_close}, | |
785 | {ST_IN_WAIT_LL, EV_SETUP_IND, lli_deliver_call}, | |
786 | {ST_IN_WAIT_LL, EV_SETUP_ERR, lli_error}, | |
787 | {ST_IN_ALERT_SENT, EV_SETUP_CMPL_IND, lli_init_bchan_in}, | |
788 | {ST_IN_ALERT_SENT, EV_ACCEPTD, lli_send_dconnect}, | |
789 | {ST_IN_ALERT_SENT, EV_HANGUP, lli_disconnect_reject}, | |
790 | {ST_IN_ALERT_SENT, EV_DISCONNECT_IND, lli_release_req}, | |
791 | {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, | |
792 | {ST_IN_ALERT_SENT, EV_REDIR, lli_send_redir}, | |
793 | {ST_IN_PROCEED_SEND, EV_REDIR, lli_send_redir}, | |
794 | {ST_IN_PROCEED_SEND, EV_ALERT, lli_send_alert}, | |
795 | {ST_IN_PROCEED_SEND, EV_ACCEPTD, lli_send_dconnect}, | |
796 | {ST_IN_PROCEED_SEND, EV_HANGUP, lli_disconnect_reject}, | |
797 | {ST_IN_PROCEED_SEND, EV_DISCONNECT_IND, lli_dhup_close}, | |
798 | {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, | |
799 | {ST_IN_WAIT_CONN_ACK, EV_SETUP_CMPL_IND, lli_init_bchan_in}, | |
800 | {ST_IN_WAIT_CONN_ACK, EV_HANGUP, lli_disconnect_req}, | |
801 | {ST_IN_WAIT_CONN_ACK, EV_DISCONNECT_IND, lli_release_req}, | |
802 | {ST_IN_WAIT_CONN_ACK, EV_RELEASE, lli_dhup_close}, | |
803 | {ST_IN_WAIT_CONN_ACK, EV_CONNECT_ERR, lli_error}, | |
804 | {ST_WAIT_BCONN, EV_BC_EST, lli_go_active}, | |
805 | {ST_WAIT_BCONN, EV_BC_REL, lli_rel_b_disc}, | |
806 | {ST_WAIT_BCONN, EV_HANGUP, lli_rel_b_disc}, | |
807 | {ST_WAIT_BCONN, EV_DISCONNECT_IND, lli_rel_b_release_req}, | |
808 | {ST_WAIT_BCONN, EV_RELEASE, lli_rel_b_dhup}, | |
809 | {ST_WAIT_BCONN, EV_LEASED_REL, lli_rel_b_fail}, | |
810 | {ST_WAIT_BCONN, EV_CINF, lli_charge_info}, | |
811 | {ST_ACTIVE, EV_CINF, lli_charge_info}, | |
812 | {ST_ACTIVE, EV_BC_REL, lli_bhup_rel_b}, | |
813 | {ST_ACTIVE, EV_SUSPEND, lli_suspend}, | |
814 | {ST_ACTIVE, EV_HANGUP, lli_disconn_bchan}, | |
815 | {ST_ACTIVE, EV_DISCONNECT_IND, lli_release_bchan}, | |
816 | {ST_ACTIVE, EV_RELEASE, lli_abort}, | |
817 | {ST_ACTIVE, EV_LEASED_REL, lli_failure_a}, | |
818 | {ST_WAIT_BRELEASE, EV_BC_REL, lli_bhup_disc}, | |
819 | {ST_WAIT_BRELEASE, EV_DISCONNECT_IND, lli_bhup_release_req}, | |
820 | {ST_WAIT_BRELEASE, EV_RELEASE, lli_bhup_dhup}, | |
821 | {ST_WAIT_BRELEASE, EV_LEASED_REL, lli_bhup_fail}, | |
822 | {ST_WAIT_BREL_DISC, EV_BC_REL, lli_bhup_release_req}, | |
823 | {ST_WAIT_BREL_DISC, EV_RELEASE, lli_bhup_dhup}, | |
824 | {ST_WAIT_DCOMMAND, EV_HANGUP, lli_start_disc}, | |
825 | {ST_WAIT_DCOMMAND, EV_DISCONNECT_IND, lli_release_req}, | |
826 | {ST_WAIT_DCOMMAND, EV_RELEASE, lli_dhup_close}, | |
827 | {ST_WAIT_DCOMMAND, EV_LEASED_REL, lli_failure_l}, | |
828 | {ST_WAIT_DRELEASE, EV_RELEASE, lli_dhup_close}, | |
829 | {ST_WAIT_DRELEASE, EV_DIAL, lli_dchan_not_ready}, | |
830 | /* ETS 300-104 16.1 */ | |
831 | {ST_WAIT_D_REL_CNF, EV_RELEASE, lli_dhup_close}, | |
832 | {ST_WAIT_D_REL_CNF, EV_DIAL, lli_dchan_not_ready}, | |
833 | }; | |
834 | /* *INDENT-ON* */ | |
835 | ||
836 | #define FNCOUNT (sizeof(fnlist)/sizeof(struct FsmNode)) | |
837 | ||
838 | int __init | |
839 | CallcNew(void) | |
840 | { | |
841 | callcfsm.state_count = STATE_COUNT; | |
842 | callcfsm.event_count = EVENT_COUNT; | |
843 | callcfsm.strEvent = strEvent; | |
844 | callcfsm.strState = strState; | |
845 | return FsmNew(&callcfsm, fnlist, FNCOUNT); | |
846 | } | |
847 | ||
848 | void | |
849 | CallcFree(void) | |
850 | { | |
851 | FsmFree(&callcfsm); | |
852 | } | |
853 | ||
854 | static void | |
855 | release_b_st(struct Channel *chanp) | |
856 | { | |
857 | struct PStack *st = chanp->b_st; | |
858 | ||
859 | if(test_and_clear_bit(FLG_START_B, &chanp->Flags)) { | |
860 | chanp->bcs->BC_Close(chanp->bcs); | |
861 | switch (chanp->l2_active_protocol) { | |
862 | case (ISDN_PROTO_L2_X75I): | |
863 | releasestack_isdnl2(st); | |
864 | break; | |
865 | case (ISDN_PROTO_L2_HDLC): | |
866 | case (ISDN_PROTO_L2_HDLC_56K): | |
867 | case (ISDN_PROTO_L2_TRANS): | |
868 | case (ISDN_PROTO_L2_MODEM): | |
869 | case (ISDN_PROTO_L2_FAX): | |
870 | releasestack_transl2(st); | |
871 | break; | |
872 | } | |
873 | } | |
874 | } | |
875 | ||
672c3fd9 | 876 | static struct Channel |
1da177e4 LT |
877 | *selectfreechannel(struct PStack *st, int bch) |
878 | { | |
879 | struct IsdnCardState *cs = st->l1.hardware; | |
880 | struct Channel *chanp = st->lli.userdata; | |
881 | int i; | |
882 | ||
883 | if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) | |
884 | i=1; | |
885 | else | |
886 | i=0; | |
887 | ||
888 | if (!bch) { | |
889 | i = 2; /* virtual channel */ | |
890 | chanp += 2; | |
891 | } | |
892 | ||
893 | while (i < ((bch) ? cs->chanlimit : (2 + MAX_WAITING_CALLS))) { | |
894 | if (chanp->fi.state == ST_NULL) | |
895 | return (chanp); | |
896 | chanp++; | |
897 | i++; | |
898 | } | |
899 | ||
900 | if (bch) /* number of channels is limited */ { | |
901 | i = 2; /* virtual channel */ | |
902 | chanp = st->lli.userdata; | |
903 | chanp += i; | |
904 | while (i < (2 + MAX_WAITING_CALLS)) { | |
905 | if (chanp->fi.state == ST_NULL) | |
906 | return (chanp); | |
907 | chanp++; | |
908 | i++; | |
909 | } | |
910 | } | |
911 | return (NULL); | |
912 | } | |
913 | ||
914 | static void stat_redir_result(struct IsdnCardState *cs, int chan, ulong result) | |
915 | { isdn_ctrl ic; | |
916 | ||
917 | ic.driver = cs->myid; | |
918 | ic.command = ISDN_STAT_REDIR; | |
919 | ic.arg = chan; | |
920 | ic.parm.num[0] = result; | |
921 | cs->iif.statcallb(&ic); | |
922 | } /* stat_redir_result */ | |
923 | ||
924 | static void | |
925 | dchan_l3l4(struct PStack *st, int pr, void *arg) | |
926 | { | |
927 | struct l3_process *pc = arg; | |
928 | struct IsdnCardState *cs = st->l1.hardware; | |
929 | struct Channel *chanp; | |
930 | ||
931 | if(!pc) | |
932 | return; | |
933 | ||
934 | if (pr == (CC_SETUP | INDICATION)) { | |
935 | if (!(chanp = selectfreechannel(pc->st, pc->para.bchannel))) { | |
936 | pc->para.cause = 0x11; /* User busy */ | |
937 | pc->st->lli.l4l3(pc->st, CC_REJECT | REQUEST, pc); | |
938 | } else { | |
939 | chanp->proc = pc; | |
940 | pc->chan = chanp; | |
941 | FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); | |
942 | } | |
943 | return; | |
944 | } | |
945 | if (!(chanp = pc->chan)) | |
946 | return; | |
947 | ||
948 | switch (pr) { | |
949 | case (CC_MORE_INFO | INDICATION): | |
950 | FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); | |
951 | break; | |
952 | case (CC_DISCONNECT | INDICATION): | |
953 | FsmEvent(&chanp->fi, EV_DISCONNECT_IND, NULL); | |
954 | break; | |
955 | case (CC_RELEASE | CONFIRM): | |
956 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
957 | break; | |
958 | case (CC_SUSPEND | CONFIRM): | |
959 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
960 | break; | |
961 | case (CC_RESUME | CONFIRM): | |
962 | FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); | |
963 | break; | |
964 | case (CC_RESUME_ERR): | |
965 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
966 | break; | |
967 | case (CC_RELEASE | INDICATION): | |
968 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
969 | break; | |
970 | case (CC_SETUP_COMPL | INDICATION): | |
971 | FsmEvent(&chanp->fi, EV_SETUP_CMPL_IND, NULL); | |
972 | break; | |
973 | case (CC_SETUP | CONFIRM): | |
974 | FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); | |
975 | break; | |
976 | case (CC_CHARGE | INDICATION): | |
977 | FsmEvent(&chanp->fi, EV_CINF, NULL); | |
978 | break; | |
979 | case (CC_NOSETUP_RSP): | |
980 | FsmEvent(&chanp->fi, EV_NOSETUP_RSP, NULL); | |
981 | break; | |
982 | case (CC_SETUP_ERR): | |
983 | FsmEvent(&chanp->fi, EV_SETUP_ERR, NULL); | |
984 | break; | |
985 | case (CC_CONNECT_ERR): | |
986 | FsmEvent(&chanp->fi, EV_CONNECT_ERR, NULL); | |
987 | break; | |
988 | case (CC_RELEASE_ERR): | |
989 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
990 | break; | |
991 | case (CC_PROCEED_SEND | INDICATION): | |
992 | case (CC_PROCEEDING | INDICATION): | |
993 | case (CC_ALERTING | INDICATION): | |
994 | case (CC_PROGRESS | INDICATION): | |
995 | case (CC_NOTIFY | INDICATION): | |
996 | break; | |
997 | case (CC_REDIR | INDICATION): | |
998 | stat_redir_result(cs, chanp->chan, pc->redir_result); | |
999 | break; | |
1000 | default: | |
1001 | if (chanp->debug & 0x800) { | |
1002 | HiSax_putstatus(chanp->cs, "Ch", | |
1003 | "%d L3->L4 unknown primitiv %#x", | |
1004 | chanp->chan, pr); | |
1005 | } | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | static void | |
1010 | dummy_pstack(struct PStack *st, int pr, void *arg) { | |
1011 | printk(KERN_WARNING"call to dummy_pstack pr=%04x arg %lx\n", pr, (long)arg); | |
1012 | } | |
1013 | ||
1014 | static int | |
1015 | init_PStack(struct PStack **stp) { | |
1016 | *stp = kmalloc(sizeof(struct PStack), GFP_ATOMIC); | |
1017 | if (!*stp) | |
1018 | return -ENOMEM; | |
1019 | (*stp)->next = NULL; | |
1020 | (*stp)->l1.l1l2 = dummy_pstack; | |
1021 | (*stp)->l1.l1hw = dummy_pstack; | |
1022 | (*stp)->l1.l1tei = dummy_pstack; | |
1023 | (*stp)->l2.l2tei = dummy_pstack; | |
1024 | (*stp)->l2.l2l1 = dummy_pstack; | |
1025 | (*stp)->l2.l2l3 = dummy_pstack; | |
1026 | (*stp)->l3.l3l2 = dummy_pstack; | |
1027 | (*stp)->l3.l3ml3 = dummy_pstack; | |
1028 | (*stp)->l3.l3l4 = dummy_pstack; | |
1029 | (*stp)->lli.l4l3 = dummy_pstack; | |
1030 | (*stp)->ma.layer = dummy_pstack; | |
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | static int | |
1035 | init_d_st(struct Channel *chanp) | |
1036 | { | |
1037 | struct PStack *st; | |
1038 | struct IsdnCardState *cs = chanp->cs; | |
1039 | char tmp[16]; | |
1040 | int err; | |
1041 | ||
1042 | err = init_PStack(&chanp->d_st); | |
1043 | if (err) | |
1044 | return err; | |
1045 | st = chanp->d_st; | |
1046 | st->next = NULL; | |
1047 | HiSax_addlist(cs, st); | |
1048 | setstack_HiSax(st, cs); | |
1049 | st->l2.sap = 0; | |
1050 | st->l2.tei = -1; | |
1051 | st->l2.flag = 0; | |
1052 | test_and_set_bit(FLG_MOD128, &st->l2.flag); | |
1053 | test_and_set_bit(FLG_LAPD, &st->l2.flag); | |
1054 | test_and_set_bit(FLG_ORIG, &st->l2.flag); | |
1055 | st->l2.maxlen = MAX_DFRAME_LEN; | |
1056 | st->l2.window = 1; | |
1057 | st->l2.T200 = 1000; /* 1000 milliseconds */ | |
1058 | st->l2.N200 = 3; /* try 3 times */ | |
1059 | st->l2.T203 = 10000; /* 10000 milliseconds */ | |
1060 | if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) | |
1061 | sprintf(tmp, "DCh%d Q.921 ", chanp->chan); | |
1062 | else | |
1063 | sprintf(tmp, "DCh Q.921 "); | |
1064 | setstack_isdnl2(st, tmp); | |
1065 | setstack_l3dc(st, chanp); | |
1066 | st->lli.userdata = chanp; | |
1067 | st->l3.l3l4 = dchan_l3l4; | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | callc_debug(struct FsmInst *fi, char *fmt, ...) | |
1074 | { | |
1075 | va_list args; | |
1076 | struct Channel *chanp = fi->userdata; | |
1077 | char tmp[16]; | |
1078 | ||
1079 | va_start(args, fmt); | |
1080 | sprintf(tmp, "Ch%d callc ", chanp->chan); | |
1081 | VHiSax_putstatus(chanp->cs, tmp, fmt, args); | |
1082 | va_end(args); | |
1083 | } | |
1084 | ||
1085 | static int | |
1086 | init_chan(int chan, struct IsdnCardState *csta) | |
1087 | { | |
1088 | struct Channel *chanp = csta->channel + chan; | |
1089 | int err; | |
1090 | ||
1091 | chanp->cs = csta; | |
1092 | chanp->bcs = csta->bcs + chan; | |
1093 | chanp->chan = chan; | |
1094 | chanp->incoming = 0; | |
1095 | chanp->debug = 0; | |
1096 | chanp->Flags = 0; | |
1097 | chanp->leased = 0; | |
1098 | err = init_PStack(&chanp->b_st); | |
1099 | if (err) | |
1100 | return err; | |
1101 | chanp->b_st->l1.delay = DEFAULT_B_DELAY; | |
1102 | chanp->fi.fsm = &callcfsm; | |
1103 | chanp->fi.state = ST_NULL; | |
1104 | chanp->fi.debug = 0; | |
1105 | chanp->fi.userdata = chanp; | |
1106 | chanp->fi.printdebug = callc_debug; | |
1107 | FsmInitTimer(&chanp->fi, &chanp->dial_timer); | |
1108 | FsmInitTimer(&chanp->fi, &chanp->drel_timer); | |
1109 | if (!chan || (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags) && chan < 2)) { | |
1110 | err = init_d_st(chanp); | |
1111 | if (err) | |
1112 | return err; | |
1113 | } else { | |
1114 | chanp->d_st = csta->channel->d_st; | |
1115 | } | |
1116 | chanp->data_open = 0; | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | int | |
1121 | CallcNewChan(struct IsdnCardState *csta) { | |
1122 | int i, err; | |
1123 | ||
1124 | chancount += 2; | |
1125 | err = init_chan(0, csta); | |
1126 | if (err) | |
1127 | return err; | |
1128 | err = init_chan(1, csta); | |
1129 | if (err) | |
1130 | return err; | |
1131 | printk(KERN_INFO "HiSax: 2 channels added\n"); | |
1132 | ||
1133 | for (i = 0; i < MAX_WAITING_CALLS; i++) { | |
1134 | err = init_chan(i+2,csta); | |
1135 | if (err) | |
1136 | return err; | |
1137 | } | |
1138 | printk(KERN_INFO "HiSax: MAX_WAITING_CALLS added\n"); | |
1139 | if (test_bit(FLG_PTP, &csta->channel->d_st->l2.flag)) { | |
1140 | printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); | |
1141 | csta->channel->d_st->lli.l4l3(csta->channel->d_st, | |
1142 | DL_ESTABLISH | REQUEST, NULL); | |
1143 | } | |
1144 | return (0); | |
1145 | } | |
1146 | ||
1147 | static void | |
1148 | release_d_st(struct Channel *chanp) | |
1149 | { | |
1150 | struct PStack *st = chanp->d_st; | |
1151 | ||
1152 | if (!st) | |
1153 | return; | |
1154 | releasestack_isdnl2(st); | |
1155 | releasestack_isdnl3(st); | |
1156 | HiSax_rmlist(st->l1.hardware, st); | |
1157 | kfree(st); | |
1158 | chanp->d_st = NULL; | |
1159 | } | |
1160 | ||
1161 | void | |
1162 | CallcFreeChan(struct IsdnCardState *csta) | |
1163 | { | |
1164 | int i; | |
1165 | ||
1166 | for (i = 0; i < 2; i++) { | |
1167 | FsmDelTimer(&csta->channel[i].drel_timer, 74); | |
1168 | FsmDelTimer(&csta->channel[i].dial_timer, 75); | |
1169 | if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) | |
1170 | release_d_st(csta->channel + i); | |
1171 | if (csta->channel[i].b_st) { | |
1172 | release_b_st(csta->channel + i); | |
1173 | kfree(csta->channel[i].b_st); | |
1174 | csta->channel[i].b_st = NULL; | |
1175 | } else | |
1176 | printk(KERN_WARNING "CallcFreeChan b_st ch%d allready freed\n", i); | |
1177 | if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { | |
1178 | release_d_st(csta->channel + i); | |
1179 | } else | |
1180 | csta->channel[i].d_st = NULL; | |
1181 | } | |
1182 | } | |
1183 | ||
1184 | static void | |
1185 | lldata_handler(struct PStack *st, int pr, void *arg) | |
1186 | { | |
1187 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1188 | struct sk_buff *skb = arg; | |
1189 | ||
1190 | switch (pr) { | |
1191 | case (DL_DATA | INDICATION): | |
1192 | if (chanp->data_open) { | |
1193 | if (chanp->debug & 0x800) | |
1194 | link_debug(chanp, 0, "lldata: %d", skb->len); | |
1195 | chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); | |
1196 | } else { | |
1197 | link_debug(chanp, 0, "lldata: channel not open"); | |
1198 | dev_kfree_skb(skb); | |
1199 | } | |
1200 | break; | |
1201 | case (DL_ESTABLISH | INDICATION): | |
1202 | case (DL_ESTABLISH | CONFIRM): | |
1203 | FsmEvent(&chanp->fi, EV_BC_EST, NULL); | |
1204 | break; | |
1205 | case (DL_RELEASE | INDICATION): | |
1206 | case (DL_RELEASE | CONFIRM): | |
1207 | FsmEvent(&chanp->fi, EV_BC_REL, NULL); | |
1208 | break; | |
1209 | default: | |
1210 | printk(KERN_WARNING "lldata_handler unknown primitive %#x\n", | |
1211 | pr); | |
1212 | break; | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | static void | |
1217 | lltrans_handler(struct PStack *st, int pr, void *arg) | |
1218 | { | |
1219 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1220 | struct sk_buff *skb = arg; | |
1221 | ||
1222 | switch (pr) { | |
1223 | case (PH_DATA | INDICATION): | |
1224 | if (chanp->data_open) { | |
1225 | if (chanp->debug & 0x800) | |
1226 | link_debug(chanp, 0, "lltrans: %d", skb->len); | |
1227 | chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); | |
1228 | } else { | |
1229 | link_debug(chanp, 0, "lltrans: channel not open"); | |
1230 | dev_kfree_skb(skb); | |
1231 | } | |
1232 | break; | |
1233 | case (PH_ACTIVATE | INDICATION): | |
1234 | case (PH_ACTIVATE | CONFIRM): | |
1235 | FsmEvent(&chanp->fi, EV_BC_EST, NULL); | |
1236 | break; | |
1237 | case (PH_DEACTIVATE | INDICATION): | |
1238 | case (PH_DEACTIVATE | CONFIRM): | |
1239 | FsmEvent(&chanp->fi, EV_BC_REL, NULL); | |
1240 | break; | |
1241 | default: | |
1242 | printk(KERN_WARNING "lltrans_handler unknown primitive %#x\n", | |
1243 | pr); | |
1244 | break; | |
1245 | } | |
1246 | } | |
1247 | ||
1248 | void | |
1249 | lli_writewakeup(struct PStack *st, int len) | |
1250 | { | |
1251 | struct Channel *chanp = st->lli.userdata; | |
1252 | isdn_ctrl ic; | |
1253 | ||
1254 | if (chanp->debug & 0x800) | |
1255 | link_debug(chanp, 0, "llwakeup: %d", len); | |
1256 | ic.driver = chanp->cs->myid; | |
1257 | ic.command = ISDN_STAT_BSENT; | |
1258 | ic.arg = chanp->chan; | |
1259 | ic.parm.length = len; | |
1260 | chanp->cs->iif.statcallb(&ic); | |
1261 | } | |
1262 | ||
1263 | static int | |
1264 | init_b_st(struct Channel *chanp, int incoming) | |
1265 | { | |
1266 | struct PStack *st = chanp->b_st; | |
1267 | struct IsdnCardState *cs = chanp->cs; | |
1268 | char tmp[16]; | |
1269 | ||
1270 | st->l1.hardware = cs; | |
1271 | if (chanp->leased) | |
1272 | st->l1.bc = chanp->chan & 1; | |
1273 | else | |
1274 | st->l1.bc = chanp->proc->para.bchannel - 1; | |
1275 | switch (chanp->l2_active_protocol) { | |
1276 | case (ISDN_PROTO_L2_X75I): | |
1277 | case (ISDN_PROTO_L2_HDLC): | |
1278 | st->l1.mode = L1_MODE_HDLC; | |
1279 | break; | |
1280 | case (ISDN_PROTO_L2_HDLC_56K): | |
1281 | st->l1.mode = L1_MODE_HDLC_56K; | |
1282 | break; | |
1283 | case (ISDN_PROTO_L2_TRANS): | |
1284 | st->l1.mode = L1_MODE_TRANS; | |
1285 | break; | |
1286 | case (ISDN_PROTO_L2_MODEM): | |
1287 | st->l1.mode = L1_MODE_V32; | |
1288 | break; | |
1289 | case (ISDN_PROTO_L2_FAX): | |
1290 | st->l1.mode = L1_MODE_FAX; | |
1291 | break; | |
1292 | } | |
1293 | chanp->bcs->conmsg = NULL; | |
1294 | if (chanp->bcs->BC_SetStack(st, chanp->bcs)) | |
1295 | return (-1); | |
1296 | st->l2.flag = 0; | |
1297 | test_and_set_bit(FLG_LAPB, &st->l2.flag); | |
1298 | st->l2.maxlen = MAX_DATA_SIZE; | |
1299 | if (!incoming) | |
1300 | test_and_set_bit(FLG_ORIG, &st->l2.flag); | |
1301 | st->l2.T200 = 1000; /* 1000 milliseconds */ | |
1302 | st->l2.window = 7; | |
1303 | st->l2.N200 = 4; /* try 4 times */ | |
1304 | st->l2.T203 = 5000; /* 5000 milliseconds */ | |
1305 | st->l3.debug = 0; | |
1306 | switch (chanp->l2_active_protocol) { | |
1307 | case (ISDN_PROTO_L2_X75I): | |
1308 | sprintf(tmp, "Ch%d X.75", chanp->chan); | |
1309 | setstack_isdnl2(st, tmp); | |
1310 | setstack_l3bc(st, chanp); | |
1311 | st->l2.l2l3 = lldata_handler; | |
1312 | st->lli.userdata = chanp; | |
1313 | test_and_clear_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); | |
1314 | test_and_set_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); | |
1315 | st->l2.l2m.debug = chanp->debug & 16; | |
1316 | st->l2.debug = chanp->debug & 64; | |
1317 | break; | |
1318 | case (ISDN_PROTO_L2_HDLC): | |
1319 | case (ISDN_PROTO_L2_HDLC_56K): | |
1320 | case (ISDN_PROTO_L2_TRANS): | |
1321 | case (ISDN_PROTO_L2_MODEM): | |
1322 | case (ISDN_PROTO_L2_FAX): | |
1323 | st->l1.l1l2 = lltrans_handler; | |
1324 | st->lli.userdata = chanp; | |
1325 | test_and_set_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); | |
1326 | test_and_clear_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); | |
1327 | setstack_transl2(st); | |
1328 | setstack_l3bc(st, chanp); | |
1329 | break; | |
1330 | } | |
1331 | test_and_set_bit(FLG_START_B, &chanp->Flags); | |
1332 | return (0); | |
1333 | } | |
1334 | ||
1335 | static void | |
1336 | leased_l4l3(struct PStack *st, int pr, void *arg) | |
1337 | { | |
1338 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1339 | struct sk_buff *skb = arg; | |
1340 | ||
1341 | switch (pr) { | |
1342 | case (DL_DATA | REQUEST): | |
1343 | link_debug(chanp, 0, "leased line d-channel DATA"); | |
1344 | dev_kfree_skb(skb); | |
1345 | break; | |
1346 | case (DL_ESTABLISH | REQUEST): | |
1347 | st->l2.l2l1(st, PH_ACTIVATE | REQUEST, NULL); | |
1348 | break; | |
1349 | case (DL_RELEASE | REQUEST): | |
1350 | break; | |
1351 | default: | |
1352 | printk(KERN_WARNING "transd_l4l3 unknown primitive %#x\n", | |
1353 | pr); | |
1354 | break; | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | static void | |
1359 | leased_l1l2(struct PStack *st, int pr, void *arg) | |
1360 | { | |
1361 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1362 | struct sk_buff *skb = arg; | |
1363 | int i,event = EV_LEASED_REL; | |
1364 | ||
1365 | switch (pr) { | |
1366 | case (PH_DATA | INDICATION): | |
1367 | link_debug(chanp, 0, "leased line d-channel DATA"); | |
1368 | dev_kfree_skb(skb); | |
1369 | break; | |
1370 | case (PH_ACTIVATE | INDICATION): | |
1371 | case (PH_ACTIVATE | CONFIRM): | |
1372 | event = EV_LEASED; | |
1373 | case (PH_DEACTIVATE | INDICATION): | |
1374 | case (PH_DEACTIVATE | CONFIRM): | |
1375 | if (test_bit(FLG_TWO_DCHAN, &chanp->cs->HW_Flags)) | |
1376 | i = 1; | |
1377 | else | |
1378 | i = 0; | |
1379 | while (i < 2) { | |
1380 | FsmEvent(&chanp->fi, event, NULL); | |
1381 | chanp++; | |
1382 | i++; | |
1383 | } | |
1384 | break; | |
1385 | default: | |
1386 | printk(KERN_WARNING | |
1387 | "transd_l1l2 unknown primitive %#x\n", pr); | |
1388 | break; | |
1389 | } | |
1390 | } | |
1391 | ||
1392 | static void | |
1393 | distr_debug(struct IsdnCardState *csta, int debugflags) | |
1394 | { | |
1395 | int i; | |
1396 | struct Channel *chanp = csta->channel; | |
1397 | ||
1398 | for (i = 0; i < (2 + MAX_WAITING_CALLS) ; i++) { | |
1399 | chanp[i].debug = debugflags; | |
1400 | chanp[i].fi.debug = debugflags & 2; | |
1401 | chanp[i].d_st->l2.l2m.debug = debugflags & 8; | |
1402 | chanp[i].b_st->l2.l2m.debug = debugflags & 0x10; | |
1403 | chanp[i].d_st->l2.debug = debugflags & 0x20; | |
1404 | chanp[i].b_st->l2.debug = debugflags & 0x40; | |
1405 | chanp[i].d_st->l3.l3m.debug = debugflags & 0x80; | |
1406 | chanp[i].b_st->l3.l3m.debug = debugflags & 0x100; | |
1407 | chanp[i].b_st->ma.tei_m.debug = debugflags & 0x200; | |
1408 | chanp[i].b_st->ma.debug = debugflags & 0x200; | |
1409 | chanp[i].d_st->l1.l1m.debug = debugflags & 0x1000; | |
1410 | chanp[i].b_st->l1.l1m.debug = debugflags & 0x2000; | |
1411 | } | |
1412 | if (debugflags & 4) | |
1413 | csta->debug |= DEB_DLOG_HEX; | |
1414 | else | |
1415 | csta->debug &= ~DEB_DLOG_HEX; | |
1416 | } | |
1417 | ||
1418 | static char tmpbuf[256]; | |
1419 | ||
1420 | static void | |
1421 | capi_debug(struct Channel *chanp, capi_msg *cm) | |
1422 | { | |
1423 | char *t = tmpbuf; | |
1424 | ||
1425 | t += QuickHex(t, (u_char *)cm, (cm->Length>50)? 50: cm->Length); | |
1426 | t--; | |
1427 | *t= 0; | |
1428 | HiSax_putstatus(chanp->cs, "Ch", "%d CAPIMSG %s", chanp->chan, tmpbuf); | |
1429 | } | |
1430 | ||
672c3fd9 | 1431 | static void |
1da177e4 LT |
1432 | lli_got_fac_req(struct Channel *chanp, capi_msg *cm) { |
1433 | if ((cm->para[0] != 3) || (cm->para[1] != 0)) | |
1434 | return; | |
1435 | if (cm->para[2]<3) | |
1436 | return; | |
1437 | if (cm->para[4] != 0) | |
1438 | return; | |
1439 | switch(cm->para[3]) { | |
1440 | case 4: /* Suspend */ | |
1441 | strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] +1); | |
1442 | FsmEvent(&chanp->fi, EV_SUSPEND, cm); | |
1443 | break; | |
1444 | case 5: /* Resume */ | |
1445 | strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] +1); | |
1446 | if (chanp->fi.state == ST_NULL) { | |
1447 | FsmEvent(&chanp->fi, EV_RESUME, cm); | |
1448 | } else { | |
1449 | FsmDelTimer(&chanp->dial_timer, 72); | |
1450 | FsmAddTimer(&chanp->dial_timer, 80, EV_RESUME, cm, 73); | |
1451 | } | |
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | ||
672c3fd9 | 1456 | static void |
1da177e4 LT |
1457 | lli_got_manufacturer(struct Channel *chanp, struct IsdnCardState *cs, capi_msg *cm) { |
1458 | if ((cs->typ == ISDN_CTYPE_ELSA) || (cs->typ == ISDN_CTYPE_ELSA_PNP) || | |
1459 | (cs->typ == ISDN_CTYPE_ELSA_PCI)) { | |
1460 | if (cs->hw.elsa.MFlag) { | |
1461 | cs->cardmsg(cs, CARD_AUX_IND, cm->para); | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | ||
1467 | /***************************************************************/ | |
1468 | /* Limit the available number of channels for the current card */ | |
1469 | /***************************************************************/ | |
1470 | static int | |
1471 | set_channel_limit(struct IsdnCardState *cs, int chanmax) | |
1472 | { | |
1473 | isdn_ctrl ic; | |
1474 | int i, ii; | |
1475 | ||
1476 | if ((chanmax < 0) || (chanmax > 2)) | |
1477 | return(-EINVAL); | |
1478 | cs->chanlimit = 0; | |
1479 | for (ii = 0; ii < 2; ii++) { | |
1480 | ic.driver = cs->myid; | |
1481 | ic.command = ISDN_STAT_DISCH; | |
1482 | ic.arg = ii; | |
1483 | if (ii >= chanmax) | |
1484 | ic.parm.num[0] = 0; /* disabled */ | |
1485 | else | |
1486 | ic.parm.num[0] = 1; /* enabled */ | |
1487 | i = cs->iif.statcallb(&ic); | |
1488 | if (i) return(-EINVAL); | |
1489 | if (ii < chanmax) | |
1490 | cs->chanlimit++; | |
1491 | } | |
1492 | return(0); | |
1493 | } /* set_channel_limit */ | |
1494 | ||
1495 | int | |
1496 | HiSax_command(isdn_ctrl * ic) | |
1497 | { | |
1498 | struct IsdnCardState *csta = hisax_findcard(ic->driver); | |
1499 | struct PStack *st; | |
1500 | struct Channel *chanp; | |
1501 | int i; | |
1502 | u_int num; | |
1503 | ||
1504 | if (!csta) { | |
1505 | printk(KERN_ERR | |
1506 | "HiSax: if_command %d called with invalid driverId %d!\n", | |
1507 | ic->command, ic->driver); | |
1508 | return -ENODEV; | |
1509 | } | |
1510 | switch (ic->command) { | |
1511 | case (ISDN_CMD_SETEAZ): | |
1512 | chanp = csta->channel + ic->arg; | |
1513 | break; | |
1514 | case (ISDN_CMD_SETL2): | |
1515 | chanp = csta->channel + (ic->arg & 0xff); | |
1516 | if (chanp->debug & 1) | |
1517 | link_debug(chanp, 1, "SETL2 card %d %ld", | |
1518 | csta->cardnr + 1, ic->arg >> 8); | |
1519 | chanp->l2_protocol = ic->arg >> 8; | |
1520 | break; | |
1521 | case (ISDN_CMD_SETL3): | |
1522 | chanp = csta->channel + (ic->arg & 0xff); | |
1523 | if (chanp->debug & 1) | |
1524 | link_debug(chanp, 1, "SETL3 card %d %ld", | |
1525 | csta->cardnr + 1, ic->arg >> 8); | |
1526 | chanp->l3_protocol = ic->arg >> 8; | |
1527 | break; | |
1528 | case (ISDN_CMD_DIAL): | |
1529 | chanp = csta->channel + (ic->arg & 0xff); | |
1530 | if (chanp->debug & 1) | |
1531 | link_debug(chanp, 1, "DIAL %s -> %s (%d,%d)", | |
1532 | ic->parm.setup.eazmsn, ic->parm.setup.phone, | |
1533 | ic->parm.setup.si1, ic->parm.setup.si2); | |
1534 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1535 | if (!strcmp(chanp->setup.eazmsn, "0")) | |
1536 | chanp->setup.eazmsn[0] = '\0'; | |
1537 | /* this solution is dirty and may be change, if | |
1538 | * we make a callreference based callmanager */ | |
1539 | if (chanp->fi.state == ST_NULL) { | |
1540 | FsmEvent(&chanp->fi, EV_DIAL, NULL); | |
1541 | } else { | |
1542 | FsmDelTimer(&chanp->dial_timer, 70); | |
1543 | FsmAddTimer(&chanp->dial_timer, 50, EV_DIAL, NULL, 71); | |
1544 | } | |
1545 | break; | |
1546 | case (ISDN_CMD_ACCEPTB): | |
1547 | chanp = csta->channel + ic->arg; | |
1548 | if (chanp->debug & 1) | |
1549 | link_debug(chanp, 1, "ACCEPTB"); | |
1550 | FsmEvent(&chanp->fi, EV_ACCEPTB, NULL); | |
1551 | break; | |
1552 | case (ISDN_CMD_ACCEPTD): | |
1553 | chanp = csta->channel + ic->arg; | |
1554 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1555 | if (chanp->debug & 1) | |
1556 | link_debug(chanp, 1, "ACCEPTD"); | |
1557 | FsmEvent(&chanp->fi, EV_ACCEPTD, NULL); | |
1558 | break; | |
1559 | case (ISDN_CMD_HANGUP): | |
1560 | chanp = csta->channel + ic->arg; | |
1561 | if (chanp->debug & 1) | |
1562 | link_debug(chanp, 1, "HANGUP"); | |
1563 | FsmEvent(&chanp->fi, EV_HANGUP, NULL); | |
1564 | break; | |
1565 | case (CAPI_PUT_MESSAGE): | |
1566 | chanp = csta->channel + ic->arg; | |
1567 | if (chanp->debug & 1) | |
1568 | capi_debug(chanp, &ic->parm.cmsg); | |
1569 | if (ic->parm.cmsg.Length < 8) | |
1570 | break; | |
1571 | switch(ic->parm.cmsg.Command) { | |
1572 | case CAPI_FACILITY: | |
1573 | if (ic->parm.cmsg.Subcommand == CAPI_REQ) | |
1574 | lli_got_fac_req(chanp, &ic->parm.cmsg); | |
1575 | break; | |
1576 | case CAPI_MANUFACTURER: | |
1577 | if (ic->parm.cmsg.Subcommand == CAPI_REQ) | |
1578 | lli_got_manufacturer(chanp, csta, &ic->parm.cmsg); | |
1579 | break; | |
1580 | default: | |
1581 | break; | |
1582 | } | |
1583 | break; | |
1584 | case (ISDN_CMD_IOCTL): | |
1585 | switch (ic->arg) { | |
1586 | case (0): | |
1587 | num = *(unsigned int *) ic->parm.num; | |
1588 | HiSax_reportcard(csta->cardnr, num); | |
1589 | break; | |
1590 | case (1): | |
1591 | num = *(unsigned int *) ic->parm.num; | |
1592 | distr_debug(csta, num); | |
1593 | printk(KERN_DEBUG "HiSax: debugging flags card %d set to %x\n", | |
1594 | csta->cardnr + 1, num); | |
1595 | HiSax_putstatus(csta, "debugging flags ", | |
1596 | "card %d set to %x", csta->cardnr + 1, num); | |
1597 | break; | |
1598 | case (2): | |
1599 | num = *(unsigned int *) ic->parm.num; | |
1600 | csta->channel[0].b_st->l1.delay = num; | |
1601 | csta->channel[1].b_st->l1.delay = num; | |
1602 | HiSax_putstatus(csta, "delay ", "card %d set to %d ms", | |
1603 | csta->cardnr + 1, num); | |
1604 | printk(KERN_DEBUG "HiSax: delay card %d set to %d ms\n", | |
1605 | csta->cardnr + 1, num); | |
1606 | break; | |
1607 | case (5): /* set card in leased mode */ | |
1608 | num = *(unsigned int *) ic->parm.num; | |
1609 | if ((num <1) || (num > 2)) { | |
1610 | HiSax_putstatus(csta, "Set LEASED ", | |
1611 | "wrong channel %d", num); | |
1612 | printk(KERN_WARNING "HiSax: Set LEASED wrong channel %d\n", | |
1613 | num); | |
1614 | } else { | |
1615 | num--; | |
1616 | chanp = csta->channel +num; | |
1617 | chanp->leased = 1; | |
1618 | HiSax_putstatus(csta, "Card", | |
1619 | "%d channel %d set leased mode\n", | |
1620 | csta->cardnr + 1, num + 1); | |
1621 | chanp->d_st->l1.l1l2 = leased_l1l2; | |
1622 | chanp->d_st->lli.l4l3 = leased_l4l3; | |
1623 | chanp->d_st->lli.l4l3(chanp->d_st, | |
1624 | DL_ESTABLISH | REQUEST, NULL); | |
1625 | } | |
1626 | break; | |
1627 | case (6): /* set B-channel test loop */ | |
1628 | num = *(unsigned int *) ic->parm.num; | |
1629 | if (csta->stlist) | |
1630 | csta->stlist->l2.l2l1(csta->stlist, | |
1631 | PH_TESTLOOP | REQUEST, (void *) (long)num); | |
1632 | break; | |
1633 | case (7): /* set card in PTP mode */ | |
1634 | num = *(unsigned int *) ic->parm.num; | |
1635 | if (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { | |
1636 | printk(KERN_ERR "HiSax PTP mode only with one TEI possible\n"); | |
1637 | } else if (num) { | |
1638 | test_and_set_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); | |
1639 | test_and_set_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); | |
1640 | csta->channel[0].d_st->l2.tei = 0; | |
1641 | HiSax_putstatus(csta, "set card ", "in PTP mode"); | |
1642 | printk(KERN_DEBUG "HiSax: set card in PTP mode\n"); | |
1643 | printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); | |
1644 | csta->channel[0].d_st->lli.l4l3(csta->channel[0].d_st, | |
1645 | DL_ESTABLISH | REQUEST, NULL); | |
1646 | } else { | |
1647 | test_and_clear_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); | |
1648 | test_and_clear_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); | |
1649 | HiSax_putstatus(csta, "set card ", "in PTMP mode"); | |
1650 | printk(KERN_DEBUG "HiSax: set card in PTMP mode\n"); | |
1651 | } | |
1652 | break; | |
1653 | case (8): /* set card in FIXED TEI mode */ | |
1654 | num = *(unsigned int *) ic->parm.num; | |
1655 | chanp = csta->channel + (num & 1); | |
1656 | num = num >>1; | |
1657 | if (num == 127) { | |
1658 | test_and_clear_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); | |
1659 | chanp->d_st->l2.tei = -1; | |
1660 | HiSax_putstatus(csta, "set card ", "in VAR TEI mode"); | |
1661 | printk(KERN_DEBUG "HiSax: set card in VAR TEI mode\n"); | |
1662 | } else { | |
1663 | test_and_set_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); | |
1664 | chanp->d_st->l2.tei = num; | |
1665 | HiSax_putstatus(csta, "set card ", "in FIXED TEI (%d) mode", num); | |
1666 | printk(KERN_DEBUG "HiSax: set card in FIXED TEI (%d) mode\n", | |
1667 | num); | |
1668 | } | |
1669 | chanp->d_st->lli.l4l3(chanp->d_st, | |
1670 | DL_ESTABLISH | REQUEST, NULL); | |
1671 | break; | |
1672 | case (11): | |
1673 | num = csta->debug & DEB_DLOG_HEX; | |
1674 | csta->debug = *(unsigned int *) ic->parm.num; | |
1675 | csta->debug |= num; | |
1676 | HiSax_putstatus(cards[0].cs, "l1 debugging ", | |
1677 | "flags card %d set to %x", | |
1678 | csta->cardnr + 1, csta->debug); | |
1679 | printk(KERN_DEBUG "HiSax: l1 debugging flags card %d set to %x\n", | |
1680 | csta->cardnr + 1, csta->debug); | |
1681 | break; | |
1682 | case (13): | |
1683 | csta->channel[0].d_st->l3.debug = *(unsigned int *) ic->parm.num; | |
1684 | csta->channel[1].d_st->l3.debug = *(unsigned int *) ic->parm.num; | |
1685 | HiSax_putstatus(cards[0].cs, "l3 debugging ", | |
1686 | "flags card %d set to %x\n", csta->cardnr + 1, | |
1687 | *(unsigned int *) ic->parm.num); | |
1688 | printk(KERN_DEBUG "HiSax: l3 debugging flags card %d set to %x\n", | |
1689 | csta->cardnr + 1, *(unsigned int *) ic->parm.num); | |
1690 | break; | |
1691 | case (10): | |
1692 | i = *(unsigned int *) ic->parm.num; | |
1693 | return(set_channel_limit(csta, i)); | |
1694 | default: | |
1695 | if (csta->auxcmd) | |
1696 | return(csta->auxcmd(csta, ic)); | |
1697 | printk(KERN_DEBUG "HiSax: invalid ioclt %d\n", | |
1698 | (int) ic->arg); | |
1699 | return (-EINVAL); | |
1700 | } | |
1701 | break; | |
1702 | ||
1703 | case (ISDN_CMD_PROCEED): | |
1704 | chanp = csta->channel + ic->arg; | |
1705 | if (chanp->debug & 1) | |
1706 | link_debug(chanp, 1, "PROCEED"); | |
1707 | FsmEvent(&chanp->fi, EV_PROCEED, NULL); | |
1708 | break; | |
1709 | ||
1710 | case (ISDN_CMD_ALERT): | |
1711 | chanp = csta->channel + ic->arg; | |
1712 | if (chanp->debug & 1) | |
1713 | link_debug(chanp, 1, "ALERT"); | |
1714 | FsmEvent(&chanp->fi, EV_ALERT, NULL); | |
1715 | break; | |
1716 | ||
1717 | case (ISDN_CMD_REDIR): | |
1718 | chanp = csta->channel + ic->arg; | |
1719 | if (chanp->debug & 1) | |
1720 | link_debug(chanp, 1, "REDIR"); | |
1721 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1722 | FsmEvent(&chanp->fi, EV_REDIR, NULL); | |
1723 | break; | |
1724 | ||
1725 | /* protocol specific io commands */ | |
1726 | case (ISDN_CMD_PROT_IO): | |
1727 | for (st = csta->stlist; st; st = st->next) | |
1728 | if (st->protocol == (ic->arg & 0xFF)) | |
1729 | return(st->lli.l4l3_proto(st, ic)); | |
1730 | return(-EINVAL); | |
1731 | break; | |
1732 | default: | |
1733 | if (csta->auxcmd) | |
1734 | return(csta->auxcmd(csta, ic)); | |
1735 | return(-EINVAL); | |
1736 | } | |
1737 | return (0); | |
1738 | } | |
1739 | ||
1740 | int | |
1741 | HiSax_writebuf_skb(int id, int chan, int ack, struct sk_buff *skb) | |
1742 | { | |
1743 | struct IsdnCardState *csta = hisax_findcard(id); | |
1744 | struct Channel *chanp; | |
1745 | struct PStack *st; | |
1746 | int len = skb->len; | |
1747 | struct sk_buff *nskb; | |
1748 | ||
1749 | if (!csta) { | |
1750 | printk(KERN_ERR | |
1751 | "HiSax: if_sendbuf called with invalid driverId!\n"); | |
1752 | return -ENODEV; | |
1753 | } | |
1754 | chanp = csta->channel + chan; | |
1755 | st = chanp->b_st; | |
1756 | if (!chanp->data_open) { | |
1757 | link_debug(chanp, 1, "writebuf: channel not open"); | |
1758 | return -EIO; | |
1759 | } | |
1760 | if (len > MAX_DATA_SIZE) { | |
1761 | link_debug(chanp, 1, "writebuf: packet too large (%d bytes)", len); | |
1762 | printk(KERN_WARNING "HiSax_writebuf: packet too large (%d bytes) !\n", | |
1763 | len); | |
1764 | return -EINVAL; | |
1765 | } | |
1766 | if (len) { | |
1767 | if ((len + chanp->bcs->tx_cnt) > MAX_DATA_MEM) { | |
1768 | /* Must return 0 here, since this is not an error | |
1769 | * but a temporary lack of resources. | |
1770 | */ | |
1771 | if (chanp->debug & 0x800) | |
1772 | link_debug(chanp, 1, "writebuf: no buffers for %d bytes", len); | |
1773 | return 0; | |
1774 | } else if (chanp->debug & 0x800) | |
1775 | link_debug(chanp, 1, "writebuf %d/%d/%d", len, chanp->bcs->tx_cnt,MAX_DATA_MEM); | |
1776 | nskb = skb_clone(skb, GFP_ATOMIC); | |
1777 | if (nskb) { | |
1778 | nskb->truesize = nskb->len; | |
1779 | if (!ack) | |
1780 | nskb->pkt_type = PACKET_NOACK; | |
1781 | if (chanp->l2_active_protocol == ISDN_PROTO_L2_X75I) | |
1782 | st->l3.l3l2(st, DL_DATA | REQUEST, nskb); | |
1783 | else { | |
1784 | chanp->bcs->tx_cnt += len; | |
1785 | st->l2.l2l1(st, PH_DATA | REQUEST, nskb); | |
1786 | } | |
1787 | dev_kfree_skb(skb); | |
1788 | } else | |
1789 | len = 0; | |
1790 | } | |
1791 | return (len); | |
1792 | } |