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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[]; | |
27 | extern int nrcards; | |
28 | ||
29 | static int init_b_st(struct Channel *chanp, int incoming); | |
30 | static void release_b_st(struct Channel *chanp); | |
31 | ||
32 | static struct Fsm callcfsm; | |
33 | static int chancount; | |
34 | ||
35 | /* experimental REJECT after ALERTING for CALLBACK to beat the 4s delay */ | |
36 | #define ALERT_REJECT 0 | |
37 | ||
38 | /* Value to delay the sending of the first B-channel paket after CONNECT | |
39 | * here is no value given by ITU, but experience shows that 300 ms will | |
40 | * work on many networks, if you or your other side is behind local exchanges | |
41 | * a greater value may be recommented. If the delay is to short the first paket | |
42 | * will be lost and autodetect on many comercial routers goes wrong ! | |
43 | * You can adjust this value on runtime with | |
44 | * hisaxctrl <id> 2 <value> | |
45 | * value is in milliseconds | |
46 | */ | |
47 | #define DEFAULT_B_DELAY 300 | |
48 | ||
49 | /* Flags for remembering action done in lli */ | |
50 | ||
51 | #define FLG_START_B 0 | |
52 | ||
53 | /* | |
54 | * Find card with given driverId | |
55 | */ | |
56 | static inline struct IsdnCardState * | |
57 | hisax_findcard(int driverid) | |
58 | { | |
59 | int i; | |
60 | ||
61 | for (i = 0; i < nrcards; i++) | |
62 | if (cards[i].cs) | |
63 | if (cards[i].cs->myid == driverid) | |
64 | return (cards[i].cs); | |
65 | return (struct IsdnCardState *) 0; | |
66 | } | |
67 | ||
68 | static void | |
69 | link_debug(struct Channel *chanp, int direction, char *fmt, ...) | |
70 | { | |
71 | va_list args; | |
72 | char tmp[16]; | |
73 | ||
74 | va_start(args, fmt); | |
75 | sprintf(tmp, "Ch%d %s ", chanp->chan, | |
76 | direction ? "LL->HL" : "HL->LL"); | |
77 | VHiSax_putstatus(chanp->cs, tmp, fmt, args); | |
78 | va_end(args); | |
79 | } | |
80 | ||
81 | enum { | |
82 | ST_NULL, /* 0 inactive */ | |
83 | ST_OUT_DIAL, /* 1 outgoing, SETUP send; awaiting confirm */ | |
84 | ST_IN_WAIT_LL, /* 2 incoming call received; wait for LL confirm */ | |
85 | ST_IN_ALERT_SENT, /* 3 incoming call received; ALERT send */ | |
86 | ST_IN_WAIT_CONN_ACK, /* 4 incoming CONNECT send; awaiting CONN_ACK */ | |
87 | ST_WAIT_BCONN, /* 5 CONNECT/CONN_ACK received, awaiting b-channel prot. estbl. */ | |
88 | ST_ACTIVE, /* 6 active, b channel prot. established */ | |
89 | ST_WAIT_BRELEASE, /* 7 call clear. (initiator), awaiting b channel prot. rel. */ | |
90 | ST_WAIT_BREL_DISC, /* 8 call clear. (receiver), DISCONNECT req. received */ | |
91 | ST_WAIT_DCOMMAND, /* 9 call clear. (receiver), awaiting DCHANNEL message */ | |
92 | ST_WAIT_DRELEASE, /* 10 DISCONNECT sent, awaiting RELEASE */ | |
93 | ST_WAIT_D_REL_CNF, /* 11 RELEASE sent, awaiting RELEASE confirm */ | |
94 | ST_IN_PROCEED_SEND, /* 12 incoming call, proceeding send */ | |
95 | }; | |
96 | ||
97 | ||
98 | #define STATE_COUNT (ST_IN_PROCEED_SEND + 1) | |
99 | ||
100 | static char *strState[] = | |
101 | { | |
102 | "ST_NULL", | |
103 | "ST_OUT_DIAL", | |
104 | "ST_IN_WAIT_LL", | |
105 | "ST_IN_ALERT_SENT", | |
106 | "ST_IN_WAIT_CONN_ACK", | |
107 | "ST_WAIT_BCONN", | |
108 | "ST_ACTIVE", | |
109 | "ST_WAIT_BRELEASE", | |
110 | "ST_WAIT_BREL_DISC", | |
111 | "ST_WAIT_DCOMMAND", | |
112 | "ST_WAIT_DRELEASE", | |
113 | "ST_WAIT_D_REL_CNF", | |
114 | "ST_IN_PROCEED_SEND", | |
115 | }; | |
116 | ||
117 | enum { | |
118 | EV_DIAL, /* 0 */ | |
119 | EV_SETUP_CNF, /* 1 */ | |
120 | EV_ACCEPTB, /* 2 */ | |
121 | EV_DISCONNECT_IND, /* 3 */ | |
122 | EV_RELEASE, /* 4 */ | |
123 | EV_LEASED, /* 5 */ | |
124 | EV_LEASED_REL, /* 6 */ | |
125 | EV_SETUP_IND, /* 7 */ | |
126 | EV_ACCEPTD, /* 8 */ | |
127 | EV_SETUP_CMPL_IND, /* 9 */ | |
128 | EV_BC_EST, /* 10 */ | |
129 | EV_WRITEBUF, /* 11 */ | |
130 | EV_HANGUP, /* 12 */ | |
131 | EV_BC_REL, /* 13 */ | |
132 | EV_CINF, /* 14 */ | |
133 | EV_SUSPEND, /* 15 */ | |
134 | EV_RESUME, /* 16 */ | |
135 | EV_NOSETUP_RSP, /* 17 */ | |
136 | EV_SETUP_ERR, /* 18 */ | |
137 | EV_CONNECT_ERR, /* 19 */ | |
138 | EV_PROCEED, /* 20 */ | |
139 | EV_ALERT, /* 21 */ | |
140 | EV_REDIR, /* 22 */ | |
141 | }; | |
142 | ||
143 | #define EVENT_COUNT (EV_REDIR + 1) | |
144 | ||
145 | static char *strEvent[] = | |
146 | { | |
147 | "EV_DIAL", | |
148 | "EV_SETUP_CNF", | |
149 | "EV_ACCEPTB", | |
150 | "EV_DISCONNECT_IND", | |
151 | "EV_RELEASE", | |
152 | "EV_LEASED", | |
153 | "EV_LEASED_REL", | |
154 | "EV_SETUP_IND", | |
155 | "EV_ACCEPTD", | |
156 | "EV_SETUP_CMPL_IND", | |
157 | "EV_BC_EST", | |
158 | "EV_WRITEBUF", | |
159 | "EV_HANGUP", | |
160 | "EV_BC_REL", | |
161 | "EV_CINF", | |
162 | "EV_SUSPEND", | |
163 | "EV_RESUME", | |
164 | "EV_NOSETUP_RSP", | |
165 | "EV_SETUP_ERR", | |
166 | "EV_CONNECT_ERR", | |
167 | "EV_PROCEED", | |
168 | "EV_ALERT", | |
169 | "EV_REDIR", | |
170 | }; | |
171 | ||
172 | ||
173 | static inline void | |
174 | HL_LL(struct Channel *chanp, int command) | |
175 | { | |
176 | isdn_ctrl ic; | |
177 | ||
178 | ic.driver = chanp->cs->myid; | |
179 | ic.command = command; | |
180 | ic.arg = chanp->chan; | |
181 | chanp->cs->iif.statcallb(&ic); | |
182 | } | |
183 | ||
184 | static inline void | |
185 | lli_deliver_cause(struct Channel *chanp) | |
186 | { | |
187 | isdn_ctrl ic; | |
188 | ||
189 | if (!chanp->proc) | |
190 | return; | |
191 | if (chanp->proc->para.cause == NO_CAUSE) | |
192 | return; | |
193 | ic.driver = chanp->cs->myid; | |
194 | ic.command = ISDN_STAT_CAUSE; | |
195 | ic.arg = chanp->chan; | |
196 | if (chanp->cs->protocol == ISDN_PTYPE_EURO) | |
197 | sprintf(ic.parm.num, "E%02X%02X", chanp->proc->para.loc & 0x7f, | |
198 | chanp->proc->para.cause & 0x7f); | |
199 | else | |
200 | sprintf(ic.parm.num, "%02X%02X", chanp->proc->para.loc & 0x7f, | |
201 | chanp->proc->para.cause & 0x7f); | |
202 | chanp->cs->iif.statcallb(&ic); | |
203 | } | |
204 | ||
205 | static inline void | |
206 | lli_close(struct FsmInst *fi) | |
207 | { | |
208 | struct Channel *chanp = fi->userdata; | |
209 | ||
210 | FsmChangeState(fi, ST_NULL); | |
211 | chanp->Flags = 0; | |
212 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
213 | } | |
214 | ||
215 | static void | |
216 | lli_leased_in(struct FsmInst *fi, int event, void *arg) | |
217 | { | |
218 | struct Channel *chanp = fi->userdata; | |
219 | isdn_ctrl ic; | |
220 | int ret; | |
221 | ||
222 | if (!chanp->leased) | |
223 | return; | |
224 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
225 | FsmChangeState(fi, ST_IN_WAIT_LL); | |
226 | if (chanp->debug & 1) | |
227 | link_debug(chanp, 0, "STAT_ICALL_LEASED"); | |
228 | ic.driver = chanp->cs->myid; | |
229 | ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); | |
230 | ic.arg = chanp->chan; | |
231 | ic.parm.setup.si1 = 7; | |
232 | ic.parm.setup.si2 = 0; | |
233 | ic.parm.setup.plan = 0; | |
234 | ic.parm.setup.screen = 0; | |
235 | sprintf(ic.parm.setup.eazmsn,"%d", chanp->chan + 1); | |
236 | sprintf(ic.parm.setup.phone,"LEASED%d", chanp->cs->myid); | |
237 | ret = chanp->cs->iif.statcallb(&ic); | |
238 | if (chanp->debug & 1) | |
239 | link_debug(chanp, 1, "statcallb ret=%d", ret); | |
240 | if (!ret) { | |
241 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
242 | FsmChangeState(fi, ST_NULL); | |
243 | } | |
244 | } | |
245 | ||
246 | ||
247 | /* | |
248 | * Dial out | |
249 | */ | |
250 | static void | |
251 | lli_init_bchan_out(struct FsmInst *fi, int event, void *arg) | |
252 | { | |
253 | struct Channel *chanp = fi->userdata; | |
254 | ||
255 | FsmChangeState(fi, ST_WAIT_BCONN); | |
256 | if (chanp->debug & 1) | |
257 | link_debug(chanp, 0, "STAT_DCONN"); | |
258 | HL_LL(chanp, ISDN_STAT_DCONN); | |
259 | init_b_st(chanp, 0); | |
260 | chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); | |
261 | } | |
262 | ||
263 | static void | |
264 | lli_prep_dialout(struct FsmInst *fi, int event, void *arg) | |
265 | { | |
266 | struct Channel *chanp = fi->userdata; | |
267 | ||
268 | FsmDelTimer(&chanp->drel_timer, 60); | |
269 | FsmDelTimer(&chanp->dial_timer, 73); | |
270 | chanp->l2_active_protocol = chanp->l2_protocol; | |
271 | chanp->incoming = 0; | |
272 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
273 | if (chanp->leased) { | |
274 | lli_init_bchan_out(fi, event, arg); | |
275 | } else { | |
276 | FsmChangeState(fi, ST_OUT_DIAL); | |
277 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | REQUEST, chanp); | |
278 | } | |
279 | } | |
280 | ||
281 | static void | |
282 | lli_resume(struct FsmInst *fi, int event, void *arg) | |
283 | { | |
284 | struct Channel *chanp = fi->userdata; | |
285 | ||
286 | FsmDelTimer(&chanp->drel_timer, 60); | |
287 | FsmDelTimer(&chanp->dial_timer, 73); | |
288 | chanp->l2_active_protocol = chanp->l2_protocol; | |
289 | chanp->incoming = 0; | |
290 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
291 | if (chanp->leased) { | |
292 | lli_init_bchan_out(fi, event, arg); | |
293 | } else { | |
294 | FsmChangeState(fi, ST_OUT_DIAL); | |
295 | chanp->d_st->lli.l4l3(chanp->d_st, CC_RESUME | REQUEST, chanp); | |
296 | } | |
297 | } | |
298 | ||
299 | static void | |
300 | lli_go_active(struct FsmInst *fi, int event, void *arg) | |
301 | { | |
302 | struct Channel *chanp = fi->userdata; | |
303 | isdn_ctrl ic; | |
304 | ||
305 | ||
306 | FsmChangeState(fi, ST_ACTIVE); | |
307 | chanp->data_open = !0; | |
308 | if (chanp->bcs->conmsg) | |
309 | strcpy(ic.parm.num, chanp->bcs->conmsg); | |
310 | else | |
311 | ic.parm.num[0] = 0; | |
312 | if (chanp->debug & 1) | |
313 | link_debug(chanp, 0, "STAT_BCONN %s", ic.parm.num); | |
314 | ic.driver = chanp->cs->myid; | |
315 | ic.command = ISDN_STAT_BCONN; | |
316 | ic.arg = chanp->chan; | |
317 | chanp->cs->iif.statcallb(&ic); | |
318 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_CONN, (void *) (long)chanp->chan); | |
319 | } | |
320 | ||
321 | ||
322 | /* | |
323 | * RESUME | |
324 | */ | |
325 | ||
326 | /* incoming call */ | |
327 | ||
328 | static void | |
329 | lli_deliver_call(struct FsmInst *fi, int event, void *arg) | |
330 | { | |
331 | struct Channel *chanp = fi->userdata; | |
332 | isdn_ctrl ic; | |
333 | int ret; | |
334 | ||
335 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); | |
336 | /* | |
337 | * Report incoming calls only once to linklevel, use CallFlags | |
338 | * which is set to 3 with each broadcast message in isdnl1.c | |
339 | * and resetted if a interface answered the STAT_ICALL. | |
340 | */ | |
341 | if (1) { /* for only one TEI */ | |
342 | FsmChangeState(fi, ST_IN_WAIT_LL); | |
343 | if (chanp->debug & 1) | |
344 | link_debug(chanp, 0, (chanp->chan < 2) ? "STAT_ICALL" : "STAT_ICALLW"); | |
345 | ic.driver = chanp->cs->myid; | |
346 | ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); | |
347 | ||
348 | ic.arg = chanp->chan; | |
349 | /* | |
350 | * No need to return "unknown" for calls without OAD, | |
351 | * cause that's handled in linklevel now (replaced by '0') | |
352 | */ | |
353 | memcpy(&ic.parm.setup, &chanp->proc->para.setup, sizeof(setup_parm)); | |
354 | ret = chanp->cs->iif.statcallb(&ic); | |
355 | if (chanp->debug & 1) | |
356 | link_debug(chanp, 1, "statcallb ret=%d", ret); | |
357 | ||
358 | switch (ret) { | |
359 | case 1: /* OK, someone likes this call */ | |
360 | FsmDelTimer(&chanp->drel_timer, 61); | |
361 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
362 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
363 | break; | |
364 | case 5: /* direct redirect */ | |
365 | case 4: /* Proceeding desired */ | |
366 | FsmDelTimer(&chanp->drel_timer, 61); | |
367 | FsmChangeState(fi, ST_IN_PROCEED_SEND); | |
368 | chanp->d_st->lli.l4l3(chanp->d_st, CC_PROCEED_SEND | REQUEST, chanp->proc); | |
369 | if (ret == 5) { | |
370 | memcpy(&chanp->setup, &ic.parm.setup, sizeof(setup_parm)); | |
371 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); | |
372 | } | |
373 | break; | |
374 | case 2: /* Rejecting Call */ | |
375 | break; | |
376 | case 3: /* incomplete number */ | |
377 | FsmDelTimer(&chanp->drel_timer, 61); | |
378 | chanp->d_st->lli.l4l3(chanp->d_st, CC_MORE_INFO | REQUEST, chanp->proc); | |
379 | break; | |
380 | case 0: /* OK, nobody likes this call */ | |
381 | default: /* statcallb problems */ | |
382 | chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); | |
383 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
384 | FsmChangeState(fi, ST_NULL); | |
385 | break; | |
386 | } | |
387 | } else { | |
388 | chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); | |
389 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
390 | } | |
391 | } | |
392 | ||
393 | static void | |
394 | lli_send_dconnect(struct FsmInst *fi, int event, void *arg) | |
395 | { | |
396 | struct Channel *chanp = fi->userdata; | |
397 | ||
398 | FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); | |
399 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); | |
400 | } | |
401 | ||
402 | static void | |
403 | lli_send_alert(struct FsmInst *fi, int event, void *arg) | |
404 | { | |
405 | struct Channel *chanp = fi->userdata; | |
406 | ||
407 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
408 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
409 | } | |
410 | ||
411 | static void | |
412 | lli_send_redir(struct FsmInst *fi, int event, void *arg) | |
413 | { | |
414 | struct Channel *chanp = fi->userdata; | |
415 | ||
416 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); | |
417 | } | |
418 | ||
419 | static void | |
420 | lli_init_bchan_in(struct FsmInst *fi, int event, void *arg) | |
421 | { | |
422 | struct Channel *chanp = fi->userdata; | |
423 | ||
424 | FsmChangeState(fi, ST_WAIT_BCONN); | |
425 | if (chanp->debug & 1) | |
426 | link_debug(chanp, 0, "STAT_DCONN"); | |
427 | HL_LL(chanp, ISDN_STAT_DCONN); | |
428 | chanp->l2_active_protocol = chanp->l2_protocol; | |
429 | chanp->incoming = !0; | |
430 | init_b_st(chanp, !0); | |
431 | chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); | |
432 | } | |
433 | ||
434 | static void | |
435 | lli_setup_rsp(struct FsmInst *fi, int event, void *arg) | |
436 | { | |
437 | struct Channel *chanp = fi->userdata; | |
438 | ||
439 | if (chanp->leased) { | |
440 | lli_init_bchan_in(fi, event, arg); | |
441 | } else { | |
442 | FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); | |
443 | #ifdef WANT_ALERT | |
444 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
445 | #endif | |
446 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); | |
447 | } | |
448 | } | |
449 | ||
450 | /* Call suspend */ | |
451 | ||
452 | static void | |
453 | lli_suspend(struct FsmInst *fi, int event, void *arg) | |
454 | { | |
455 | struct Channel *chanp = fi->userdata; | |
456 | ||
457 | chanp->d_st->lli.l4l3(chanp->d_st, CC_SUSPEND | REQUEST, chanp->proc); | |
458 | } | |
459 | ||
460 | /* Call clearing */ | |
461 | ||
462 | static void | |
463 | lli_leased_hup(struct FsmInst *fi, struct Channel *chanp) | |
464 | { | |
465 | isdn_ctrl ic; | |
466 | ||
467 | ic.driver = chanp->cs->myid; | |
468 | ic.command = ISDN_STAT_CAUSE; | |
469 | ic.arg = chanp->chan; | |
470 | sprintf(ic.parm.num, "L0010"); | |
471 | chanp->cs->iif.statcallb(&ic); | |
472 | if (chanp->debug & 1) | |
473 | link_debug(chanp, 0, "STAT_DHUP"); | |
474 | HL_LL(chanp, ISDN_STAT_DHUP); | |
475 | lli_close(fi); | |
476 | } | |
477 | ||
478 | static void | |
479 | lli_disconnect_req(struct FsmInst *fi, int event, void *arg) | |
480 | { | |
481 | struct Channel *chanp = fi->userdata; | |
482 | ||
483 | if (chanp->leased) { | |
484 | lli_leased_hup(fi, chanp); | |
485 | } else { | |
486 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
487 | if (chanp->proc) | |
488 | chanp->proc->para.cause = 0x10; /* Normal Call Clearing */ | |
489 | chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, | |
490 | chanp->proc); | |
491 | } | |
492 | } | |
493 | ||
494 | static void | |
495 | lli_disconnect_reject(struct FsmInst *fi, int event, void *arg) | |
496 | { | |
497 | struct Channel *chanp = fi->userdata; | |
498 | ||
499 | if (chanp->leased) { | |
500 | lli_leased_hup(fi, chanp); | |
501 | } else { | |
502 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
503 | if (chanp->proc) | |
504 | chanp->proc->para.cause = 0x15; /* Call Rejected */ | |
505 | chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, | |
506 | chanp->proc); | |
507 | } | |
508 | } | |
509 | ||
510 | static void | |
511 | lli_dhup_close(struct FsmInst *fi, int event, void *arg) | |
512 | { | |
513 | struct Channel *chanp = fi->userdata; | |
514 | ||
515 | if (chanp->leased) { | |
516 | lli_leased_hup(fi, chanp); | |
517 | } else { | |
518 | if (chanp->debug & 1) | |
519 | link_debug(chanp, 0, "STAT_DHUP"); | |
520 | lli_deliver_cause(chanp); | |
521 | HL_LL(chanp, ISDN_STAT_DHUP); | |
522 | lli_close(fi); | |
523 | } | |
524 | } | |
525 | ||
526 | static void | |
527 | lli_reject_req(struct FsmInst *fi, int event, void *arg) | |
528 | { | |
529 | struct Channel *chanp = fi->userdata; | |
530 | ||
531 | if (chanp->leased) { | |
532 | lli_leased_hup(fi, chanp); | |
533 | return; | |
534 | } | |
535 | #ifndef ALERT_REJECT | |
536 | if (chanp->proc) | |
537 | chanp->proc->para.cause = 0x15; /* Call Rejected */ | |
538 | chanp->d_st->lli.l4l3(chanp->d_st, CC_REJECT | REQUEST, chanp->proc); | |
539 | lli_dhup_close(fi, event, arg); | |
540 | #else | |
541 | FsmRestartTimer(&chanp->drel_timer, 40, EV_HANGUP, NULL, 63); | |
542 | FsmChangeState(fi, ST_IN_ALERT_SENT); | |
543 | chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); | |
544 | #endif | |
545 | } | |
546 | ||
547 | static void | |
548 | lli_disconn_bchan(struct FsmInst *fi, int event, void *arg) | |
549 | { | |
550 | struct Channel *chanp = fi->userdata; | |
551 | ||
552 | chanp->data_open = 0; | |
553 | FsmChangeState(fi, ST_WAIT_BRELEASE); | |
554 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
555 | } | |
556 | ||
557 | static void | |
558 | lli_start_disc(struct FsmInst *fi, int event, void *arg) | |
559 | { | |
560 | struct Channel *chanp = fi->userdata; | |
561 | ||
562 | if (chanp->leased) { | |
563 | lli_leased_hup(fi, chanp); | |
564 | } else { | |
565 | lli_disconnect_req(fi, event, arg); | |
566 | } | |
567 | } | |
568 | ||
569 | static void | |
570 | lli_rel_b_disc(struct FsmInst *fi, int event, void *arg) | |
571 | { | |
572 | struct Channel *chanp = fi->userdata; | |
573 | ||
574 | release_b_st(chanp); | |
575 | lli_start_disc(fi, event, arg); | |
576 | } | |
577 | ||
578 | static void | |
579 | lli_bhup_disc(struct FsmInst *fi, int event, void *arg) | |
580 | { | |
581 | struct Channel *chanp = fi->userdata; | |
582 | ||
583 | if (chanp->debug & 1) | |
584 | link_debug(chanp, 0, "STAT_BHUP"); | |
585 | HL_LL(chanp, ISDN_STAT_BHUP); | |
586 | lli_rel_b_disc(fi, event, arg); | |
587 | } | |
588 | ||
589 | static void | |
590 | lli_bhup_rel_b(struct FsmInst *fi, int event, void *arg) | |
591 | { | |
592 | struct Channel *chanp = fi->userdata; | |
593 | ||
594 | FsmChangeState(fi, ST_WAIT_DCOMMAND); | |
595 | chanp->data_open = 0; | |
596 | if (chanp->debug & 1) | |
597 | link_debug(chanp, 0, "STAT_BHUP"); | |
598 | HL_LL(chanp, ISDN_STAT_BHUP); | |
599 | release_b_st(chanp); | |
600 | } | |
601 | ||
602 | static void | |
603 | lli_release_bchan(struct FsmInst *fi, int event, void *arg) | |
604 | { | |
605 | struct Channel *chanp = fi->userdata; | |
606 | ||
607 | chanp->data_open = 0; | |
608 | FsmChangeState(fi, ST_WAIT_BREL_DISC); | |
609 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
610 | } | |
611 | ||
612 | ||
613 | static void | |
614 | lli_rel_b_dhup(struct FsmInst *fi, int event, void *arg) | |
615 | { | |
616 | struct Channel *chanp = fi->userdata; | |
617 | ||
618 | release_b_st(chanp); | |
619 | lli_dhup_close(fi, event, arg); | |
620 | } | |
621 | ||
622 | static void | |
623 | lli_bhup_dhup(struct FsmInst *fi, int event, void *arg) | |
624 | { | |
625 | struct Channel *chanp = fi->userdata; | |
626 | ||
627 | if (chanp->debug & 1) | |
628 | link_debug(chanp, 0, "STAT_BHUP"); | |
629 | HL_LL(chanp, ISDN_STAT_BHUP); | |
630 | lli_rel_b_dhup(fi, event, arg); | |
631 | } | |
632 | ||
633 | static void | |
634 | lli_abort(struct FsmInst *fi, int event, void *arg) | |
635 | { | |
636 | struct Channel *chanp = fi->userdata; | |
637 | ||
638 | chanp->data_open = 0; | |
639 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
640 | lli_bhup_dhup(fi, event, arg); | |
641 | } | |
642 | ||
643 | static void | |
644 | lli_release_req(struct FsmInst *fi, int event, void *arg) | |
645 | { | |
646 | struct Channel *chanp = fi->userdata; | |
647 | ||
648 | if (chanp->leased) { | |
649 | lli_leased_hup(fi, chanp); | |
650 | } else { | |
651 | FsmChangeState(fi, ST_WAIT_D_REL_CNF); | |
652 | chanp->d_st->lli.l4l3(chanp->d_st, CC_RELEASE | REQUEST, | |
653 | chanp->proc); | |
654 | } | |
655 | } | |
656 | ||
657 | static void | |
658 | lli_rel_b_release_req(struct FsmInst *fi, int event, void *arg) | |
659 | { | |
660 | struct Channel *chanp = fi->userdata; | |
661 | ||
662 | release_b_st(chanp); | |
663 | lli_release_req(fi, event, arg); | |
664 | } | |
665 | ||
666 | static void | |
667 | lli_bhup_release_req(struct FsmInst *fi, int event, void *arg) | |
668 | { | |
669 | struct Channel *chanp = fi->userdata; | |
670 | ||
671 | if (chanp->debug & 1) | |
672 | link_debug(chanp, 0, "STAT_BHUP"); | |
673 | HL_LL(chanp, ISDN_STAT_BHUP); | |
674 | lli_rel_b_release_req(fi, event, arg); | |
675 | } | |
676 | ||
677 | ||
678 | /* processing charge info */ | |
679 | static void | |
680 | lli_charge_info(struct FsmInst *fi, int event, void *arg) | |
681 | { | |
682 | struct Channel *chanp = fi->userdata; | |
683 | isdn_ctrl ic; | |
684 | ||
685 | ic.driver = chanp->cs->myid; | |
686 | ic.command = ISDN_STAT_CINF; | |
687 | ic.arg = chanp->chan; | |
688 | sprintf(ic.parm.num, "%d", chanp->proc->para.chargeinfo); | |
689 | chanp->cs->iif.statcallb(&ic); | |
690 | } | |
691 | ||
692 | /* error procedures */ | |
693 | ||
694 | static void | |
695 | lli_dchan_not_ready(struct FsmInst *fi, int event, void *arg) | |
696 | { | |
697 | struct Channel *chanp = fi->userdata; | |
698 | ||
699 | if (chanp->debug & 1) | |
700 | link_debug(chanp, 0, "STAT_DHUP"); | |
701 | HL_LL(chanp, ISDN_STAT_DHUP); | |
702 | } | |
703 | ||
704 | static void | |
705 | lli_no_setup_rsp(struct FsmInst *fi, int event, void *arg) | |
706 | { | |
707 | struct Channel *chanp = fi->userdata; | |
708 | ||
709 | if (chanp->debug & 1) | |
710 | link_debug(chanp, 0, "STAT_DHUP"); | |
711 | HL_LL(chanp, ISDN_STAT_DHUP); | |
712 | lli_close(fi); | |
713 | } | |
714 | ||
715 | static void | |
716 | lli_error(struct FsmInst *fi, int event, void *arg) | |
717 | { | |
718 | FsmChangeState(fi, ST_WAIT_DRELEASE); | |
719 | } | |
720 | ||
721 | static void | |
722 | lli_failure_l(struct FsmInst *fi, int event, void *arg) | |
723 | { | |
724 | struct Channel *chanp = fi->userdata; | |
725 | isdn_ctrl ic; | |
726 | ||
727 | FsmChangeState(fi, ST_NULL); | |
728 | ic.driver = chanp->cs->myid; | |
729 | ic.command = ISDN_STAT_CAUSE; | |
730 | ic.arg = chanp->chan; | |
731 | sprintf(ic.parm.num, "L%02X%02X", 0, 0x2f); | |
732 | chanp->cs->iif.statcallb(&ic); | |
733 | HL_LL(chanp, ISDN_STAT_DHUP); | |
734 | chanp->Flags = 0; | |
735 | chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); | |
736 | } | |
737 | ||
738 | static void | |
739 | lli_rel_b_fail(struct FsmInst *fi, int event, void *arg) | |
740 | { | |
741 | struct Channel *chanp = fi->userdata; | |
742 | ||
743 | release_b_st(chanp); | |
744 | lli_failure_l(fi, event, arg); | |
745 | } | |
746 | ||
747 | static void | |
748 | lli_bhup_fail(struct FsmInst *fi, int event, void *arg) | |
749 | { | |
750 | struct Channel *chanp = fi->userdata; | |
751 | ||
752 | if (chanp->debug & 1) | |
753 | link_debug(chanp, 0, "STAT_BHUP"); | |
754 | HL_LL(chanp, ISDN_STAT_BHUP); | |
755 | lli_rel_b_fail(fi, event, arg); | |
756 | } | |
757 | ||
758 | static void | |
759 | lli_failure_a(struct FsmInst *fi, int event, void *arg) | |
760 | { | |
761 | struct Channel *chanp = fi->userdata; | |
762 | ||
763 | chanp->data_open = 0; | |
764 | chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); | |
765 | lli_bhup_fail(fi, event, arg); | |
766 | } | |
767 | ||
768 | /* *INDENT-OFF* */ | |
769 | static struct FsmNode fnlist[] __initdata = | |
770 | { | |
771 | {ST_NULL, EV_DIAL, lli_prep_dialout}, | |
772 | {ST_NULL, EV_RESUME, lli_resume}, | |
773 | {ST_NULL, EV_SETUP_IND, lli_deliver_call}, | |
774 | {ST_NULL, EV_LEASED, lli_leased_in}, | |
775 | {ST_OUT_DIAL, EV_SETUP_CNF, lli_init_bchan_out}, | |
776 | {ST_OUT_DIAL, EV_HANGUP, lli_disconnect_req}, | |
777 | {ST_OUT_DIAL, EV_DISCONNECT_IND, lli_release_req}, | |
778 | {ST_OUT_DIAL, EV_RELEASE, lli_dhup_close}, | |
779 | {ST_OUT_DIAL, EV_NOSETUP_RSP, lli_no_setup_rsp}, | |
780 | {ST_OUT_DIAL, EV_SETUP_ERR, lli_error}, | |
781 | {ST_IN_WAIT_LL, EV_LEASED_REL, lli_failure_l}, | |
782 | {ST_IN_WAIT_LL, EV_ACCEPTD, lli_setup_rsp}, | |
783 | {ST_IN_WAIT_LL, EV_HANGUP, lli_reject_req}, | |
784 | {ST_IN_WAIT_LL, EV_DISCONNECT_IND, lli_release_req}, | |
785 | {ST_IN_WAIT_LL, EV_RELEASE, lli_dhup_close}, | |
786 | {ST_IN_WAIT_LL, EV_SETUP_IND, lli_deliver_call}, | |
787 | {ST_IN_WAIT_LL, EV_SETUP_ERR, lli_error}, | |
788 | {ST_IN_ALERT_SENT, EV_SETUP_CMPL_IND, lli_init_bchan_in}, | |
789 | {ST_IN_ALERT_SENT, EV_ACCEPTD, lli_send_dconnect}, | |
790 | {ST_IN_ALERT_SENT, EV_HANGUP, lli_disconnect_reject}, | |
791 | {ST_IN_ALERT_SENT, EV_DISCONNECT_IND, lli_release_req}, | |
792 | {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, | |
793 | {ST_IN_ALERT_SENT, EV_REDIR, lli_send_redir}, | |
794 | {ST_IN_PROCEED_SEND, EV_REDIR, lli_send_redir}, | |
795 | {ST_IN_PROCEED_SEND, EV_ALERT, lli_send_alert}, | |
796 | {ST_IN_PROCEED_SEND, EV_ACCEPTD, lli_send_dconnect}, | |
797 | {ST_IN_PROCEED_SEND, EV_HANGUP, lli_disconnect_reject}, | |
798 | {ST_IN_PROCEED_SEND, EV_DISCONNECT_IND, lli_dhup_close}, | |
799 | {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, | |
800 | {ST_IN_WAIT_CONN_ACK, EV_SETUP_CMPL_IND, lli_init_bchan_in}, | |
801 | {ST_IN_WAIT_CONN_ACK, EV_HANGUP, lli_disconnect_req}, | |
802 | {ST_IN_WAIT_CONN_ACK, EV_DISCONNECT_IND, lli_release_req}, | |
803 | {ST_IN_WAIT_CONN_ACK, EV_RELEASE, lli_dhup_close}, | |
804 | {ST_IN_WAIT_CONN_ACK, EV_CONNECT_ERR, lli_error}, | |
805 | {ST_WAIT_BCONN, EV_BC_EST, lli_go_active}, | |
806 | {ST_WAIT_BCONN, EV_BC_REL, lli_rel_b_disc}, | |
807 | {ST_WAIT_BCONN, EV_HANGUP, lli_rel_b_disc}, | |
808 | {ST_WAIT_BCONN, EV_DISCONNECT_IND, lli_rel_b_release_req}, | |
809 | {ST_WAIT_BCONN, EV_RELEASE, lli_rel_b_dhup}, | |
810 | {ST_WAIT_BCONN, EV_LEASED_REL, lli_rel_b_fail}, | |
811 | {ST_WAIT_BCONN, EV_CINF, lli_charge_info}, | |
812 | {ST_ACTIVE, EV_CINF, lli_charge_info}, | |
813 | {ST_ACTIVE, EV_BC_REL, lli_bhup_rel_b}, | |
814 | {ST_ACTIVE, EV_SUSPEND, lli_suspend}, | |
815 | {ST_ACTIVE, EV_HANGUP, lli_disconn_bchan}, | |
816 | {ST_ACTIVE, EV_DISCONNECT_IND, lli_release_bchan}, | |
817 | {ST_ACTIVE, EV_RELEASE, lli_abort}, | |
818 | {ST_ACTIVE, EV_LEASED_REL, lli_failure_a}, | |
819 | {ST_WAIT_BRELEASE, EV_BC_REL, lli_bhup_disc}, | |
820 | {ST_WAIT_BRELEASE, EV_DISCONNECT_IND, lli_bhup_release_req}, | |
821 | {ST_WAIT_BRELEASE, EV_RELEASE, lli_bhup_dhup}, | |
822 | {ST_WAIT_BRELEASE, EV_LEASED_REL, lli_bhup_fail}, | |
823 | {ST_WAIT_BREL_DISC, EV_BC_REL, lli_bhup_release_req}, | |
824 | {ST_WAIT_BREL_DISC, EV_RELEASE, lli_bhup_dhup}, | |
825 | {ST_WAIT_DCOMMAND, EV_HANGUP, lli_start_disc}, | |
826 | {ST_WAIT_DCOMMAND, EV_DISCONNECT_IND, lli_release_req}, | |
827 | {ST_WAIT_DCOMMAND, EV_RELEASE, lli_dhup_close}, | |
828 | {ST_WAIT_DCOMMAND, EV_LEASED_REL, lli_failure_l}, | |
829 | {ST_WAIT_DRELEASE, EV_RELEASE, lli_dhup_close}, | |
830 | {ST_WAIT_DRELEASE, EV_DIAL, lli_dchan_not_ready}, | |
831 | /* ETS 300-104 16.1 */ | |
832 | {ST_WAIT_D_REL_CNF, EV_RELEASE, lli_dhup_close}, | |
833 | {ST_WAIT_D_REL_CNF, EV_DIAL, lli_dchan_not_ready}, | |
834 | }; | |
835 | /* *INDENT-ON* */ | |
836 | ||
837 | #define FNCOUNT (sizeof(fnlist)/sizeof(struct FsmNode)) | |
838 | ||
839 | int __init | |
840 | CallcNew(void) | |
841 | { | |
842 | callcfsm.state_count = STATE_COUNT; | |
843 | callcfsm.event_count = EVENT_COUNT; | |
844 | callcfsm.strEvent = strEvent; | |
845 | callcfsm.strState = strState; | |
846 | return FsmNew(&callcfsm, fnlist, FNCOUNT); | |
847 | } | |
848 | ||
849 | void | |
850 | CallcFree(void) | |
851 | { | |
852 | FsmFree(&callcfsm); | |
853 | } | |
854 | ||
855 | static void | |
856 | release_b_st(struct Channel *chanp) | |
857 | { | |
858 | struct PStack *st = chanp->b_st; | |
859 | ||
860 | if(test_and_clear_bit(FLG_START_B, &chanp->Flags)) { | |
861 | chanp->bcs->BC_Close(chanp->bcs); | |
862 | switch (chanp->l2_active_protocol) { | |
863 | case (ISDN_PROTO_L2_X75I): | |
864 | releasestack_isdnl2(st); | |
865 | break; | |
866 | case (ISDN_PROTO_L2_HDLC): | |
867 | case (ISDN_PROTO_L2_HDLC_56K): | |
868 | case (ISDN_PROTO_L2_TRANS): | |
869 | case (ISDN_PROTO_L2_MODEM): | |
870 | case (ISDN_PROTO_L2_FAX): | |
871 | releasestack_transl2(st); | |
872 | break; | |
873 | } | |
874 | } | |
875 | } | |
876 | ||
672c3fd9 | 877 | static struct Channel |
1da177e4 LT |
878 | *selectfreechannel(struct PStack *st, int bch) |
879 | { | |
880 | struct IsdnCardState *cs = st->l1.hardware; | |
881 | struct Channel *chanp = st->lli.userdata; | |
882 | int i; | |
883 | ||
884 | if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) | |
885 | i=1; | |
886 | else | |
887 | i=0; | |
888 | ||
889 | if (!bch) { | |
890 | i = 2; /* virtual channel */ | |
891 | chanp += 2; | |
892 | } | |
893 | ||
894 | while (i < ((bch) ? cs->chanlimit : (2 + MAX_WAITING_CALLS))) { | |
895 | if (chanp->fi.state == ST_NULL) | |
896 | return (chanp); | |
897 | chanp++; | |
898 | i++; | |
899 | } | |
900 | ||
901 | if (bch) /* number of channels is limited */ { | |
902 | i = 2; /* virtual channel */ | |
903 | chanp = st->lli.userdata; | |
904 | chanp += i; | |
905 | while (i < (2 + MAX_WAITING_CALLS)) { | |
906 | if (chanp->fi.state == ST_NULL) | |
907 | return (chanp); | |
908 | chanp++; | |
909 | i++; | |
910 | } | |
911 | } | |
912 | return (NULL); | |
913 | } | |
914 | ||
915 | static void stat_redir_result(struct IsdnCardState *cs, int chan, ulong result) | |
916 | { isdn_ctrl ic; | |
917 | ||
918 | ic.driver = cs->myid; | |
919 | ic.command = ISDN_STAT_REDIR; | |
920 | ic.arg = chan; | |
921 | ic.parm.num[0] = result; | |
922 | cs->iif.statcallb(&ic); | |
923 | } /* stat_redir_result */ | |
924 | ||
925 | static void | |
926 | dchan_l3l4(struct PStack *st, int pr, void *arg) | |
927 | { | |
928 | struct l3_process *pc = arg; | |
929 | struct IsdnCardState *cs = st->l1.hardware; | |
930 | struct Channel *chanp; | |
931 | ||
932 | if(!pc) | |
933 | return; | |
934 | ||
935 | if (pr == (CC_SETUP | INDICATION)) { | |
936 | if (!(chanp = selectfreechannel(pc->st, pc->para.bchannel))) { | |
937 | pc->para.cause = 0x11; /* User busy */ | |
938 | pc->st->lli.l4l3(pc->st, CC_REJECT | REQUEST, pc); | |
939 | } else { | |
940 | chanp->proc = pc; | |
941 | pc->chan = chanp; | |
942 | FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); | |
943 | } | |
944 | return; | |
945 | } | |
946 | if (!(chanp = pc->chan)) | |
947 | return; | |
948 | ||
949 | switch (pr) { | |
950 | case (CC_MORE_INFO | INDICATION): | |
951 | FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); | |
952 | break; | |
953 | case (CC_DISCONNECT | INDICATION): | |
954 | FsmEvent(&chanp->fi, EV_DISCONNECT_IND, NULL); | |
955 | break; | |
956 | case (CC_RELEASE | CONFIRM): | |
957 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
958 | break; | |
959 | case (CC_SUSPEND | CONFIRM): | |
960 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
961 | break; | |
962 | case (CC_RESUME | CONFIRM): | |
963 | FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); | |
964 | break; | |
965 | case (CC_RESUME_ERR): | |
966 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
967 | break; | |
968 | case (CC_RELEASE | INDICATION): | |
969 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
970 | break; | |
971 | case (CC_SETUP_COMPL | INDICATION): | |
972 | FsmEvent(&chanp->fi, EV_SETUP_CMPL_IND, NULL); | |
973 | break; | |
974 | case (CC_SETUP | CONFIRM): | |
975 | FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); | |
976 | break; | |
977 | case (CC_CHARGE | INDICATION): | |
978 | FsmEvent(&chanp->fi, EV_CINF, NULL); | |
979 | break; | |
980 | case (CC_NOSETUP_RSP): | |
981 | FsmEvent(&chanp->fi, EV_NOSETUP_RSP, NULL); | |
982 | break; | |
983 | case (CC_SETUP_ERR): | |
984 | FsmEvent(&chanp->fi, EV_SETUP_ERR, NULL); | |
985 | break; | |
986 | case (CC_CONNECT_ERR): | |
987 | FsmEvent(&chanp->fi, EV_CONNECT_ERR, NULL); | |
988 | break; | |
989 | case (CC_RELEASE_ERR): | |
990 | FsmEvent(&chanp->fi, EV_RELEASE, NULL); | |
991 | break; | |
992 | case (CC_PROCEED_SEND | INDICATION): | |
993 | case (CC_PROCEEDING | INDICATION): | |
994 | case (CC_ALERTING | INDICATION): | |
995 | case (CC_PROGRESS | INDICATION): | |
996 | case (CC_NOTIFY | INDICATION): | |
997 | break; | |
998 | case (CC_REDIR | INDICATION): | |
999 | stat_redir_result(cs, chanp->chan, pc->redir_result); | |
1000 | break; | |
1001 | default: | |
1002 | if (chanp->debug & 0x800) { | |
1003 | HiSax_putstatus(chanp->cs, "Ch", | |
1004 | "%d L3->L4 unknown primitiv %#x", | |
1005 | chanp->chan, pr); | |
1006 | } | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | static void | |
1011 | dummy_pstack(struct PStack *st, int pr, void *arg) { | |
1012 | printk(KERN_WARNING"call to dummy_pstack pr=%04x arg %lx\n", pr, (long)arg); | |
1013 | } | |
1014 | ||
1015 | static int | |
1016 | init_PStack(struct PStack **stp) { | |
1017 | *stp = kmalloc(sizeof(struct PStack), GFP_ATOMIC); | |
1018 | if (!*stp) | |
1019 | return -ENOMEM; | |
1020 | (*stp)->next = NULL; | |
1021 | (*stp)->l1.l1l2 = dummy_pstack; | |
1022 | (*stp)->l1.l1hw = dummy_pstack; | |
1023 | (*stp)->l1.l1tei = dummy_pstack; | |
1024 | (*stp)->l2.l2tei = dummy_pstack; | |
1025 | (*stp)->l2.l2l1 = dummy_pstack; | |
1026 | (*stp)->l2.l2l3 = dummy_pstack; | |
1027 | (*stp)->l3.l3l2 = dummy_pstack; | |
1028 | (*stp)->l3.l3ml3 = dummy_pstack; | |
1029 | (*stp)->l3.l3l4 = dummy_pstack; | |
1030 | (*stp)->lli.l4l3 = dummy_pstack; | |
1031 | (*stp)->ma.layer = dummy_pstack; | |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | static int | |
1036 | init_d_st(struct Channel *chanp) | |
1037 | { | |
1038 | struct PStack *st; | |
1039 | struct IsdnCardState *cs = chanp->cs; | |
1040 | char tmp[16]; | |
1041 | int err; | |
1042 | ||
1043 | err = init_PStack(&chanp->d_st); | |
1044 | if (err) | |
1045 | return err; | |
1046 | st = chanp->d_st; | |
1047 | st->next = NULL; | |
1048 | HiSax_addlist(cs, st); | |
1049 | setstack_HiSax(st, cs); | |
1050 | st->l2.sap = 0; | |
1051 | st->l2.tei = -1; | |
1052 | st->l2.flag = 0; | |
1053 | test_and_set_bit(FLG_MOD128, &st->l2.flag); | |
1054 | test_and_set_bit(FLG_LAPD, &st->l2.flag); | |
1055 | test_and_set_bit(FLG_ORIG, &st->l2.flag); | |
1056 | st->l2.maxlen = MAX_DFRAME_LEN; | |
1057 | st->l2.window = 1; | |
1058 | st->l2.T200 = 1000; /* 1000 milliseconds */ | |
1059 | st->l2.N200 = 3; /* try 3 times */ | |
1060 | st->l2.T203 = 10000; /* 10000 milliseconds */ | |
1061 | if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) | |
1062 | sprintf(tmp, "DCh%d Q.921 ", chanp->chan); | |
1063 | else | |
1064 | sprintf(tmp, "DCh Q.921 "); | |
1065 | setstack_isdnl2(st, tmp); | |
1066 | setstack_l3dc(st, chanp); | |
1067 | st->lli.userdata = chanp; | |
1068 | st->l3.l3l4 = dchan_l3l4; | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static void | |
1074 | callc_debug(struct FsmInst *fi, char *fmt, ...) | |
1075 | { | |
1076 | va_list args; | |
1077 | struct Channel *chanp = fi->userdata; | |
1078 | char tmp[16]; | |
1079 | ||
1080 | va_start(args, fmt); | |
1081 | sprintf(tmp, "Ch%d callc ", chanp->chan); | |
1082 | VHiSax_putstatus(chanp->cs, tmp, fmt, args); | |
1083 | va_end(args); | |
1084 | } | |
1085 | ||
1086 | static int | |
1087 | init_chan(int chan, struct IsdnCardState *csta) | |
1088 | { | |
1089 | struct Channel *chanp = csta->channel + chan; | |
1090 | int err; | |
1091 | ||
1092 | chanp->cs = csta; | |
1093 | chanp->bcs = csta->bcs + chan; | |
1094 | chanp->chan = chan; | |
1095 | chanp->incoming = 0; | |
1096 | chanp->debug = 0; | |
1097 | chanp->Flags = 0; | |
1098 | chanp->leased = 0; | |
1099 | err = init_PStack(&chanp->b_st); | |
1100 | if (err) | |
1101 | return err; | |
1102 | chanp->b_st->l1.delay = DEFAULT_B_DELAY; | |
1103 | chanp->fi.fsm = &callcfsm; | |
1104 | chanp->fi.state = ST_NULL; | |
1105 | chanp->fi.debug = 0; | |
1106 | chanp->fi.userdata = chanp; | |
1107 | chanp->fi.printdebug = callc_debug; | |
1108 | FsmInitTimer(&chanp->fi, &chanp->dial_timer); | |
1109 | FsmInitTimer(&chanp->fi, &chanp->drel_timer); | |
1110 | if (!chan || (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags) && chan < 2)) { | |
1111 | err = init_d_st(chanp); | |
1112 | if (err) | |
1113 | return err; | |
1114 | } else { | |
1115 | chanp->d_st = csta->channel->d_st; | |
1116 | } | |
1117 | chanp->data_open = 0; | |
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | int | |
1122 | CallcNewChan(struct IsdnCardState *csta) { | |
1123 | int i, err; | |
1124 | ||
1125 | chancount += 2; | |
1126 | err = init_chan(0, csta); | |
1127 | if (err) | |
1128 | return err; | |
1129 | err = init_chan(1, csta); | |
1130 | if (err) | |
1131 | return err; | |
1132 | printk(KERN_INFO "HiSax: 2 channels added\n"); | |
1133 | ||
1134 | for (i = 0; i < MAX_WAITING_CALLS; i++) { | |
1135 | err = init_chan(i+2,csta); | |
1136 | if (err) | |
1137 | return err; | |
1138 | } | |
1139 | printk(KERN_INFO "HiSax: MAX_WAITING_CALLS added\n"); | |
1140 | if (test_bit(FLG_PTP, &csta->channel->d_st->l2.flag)) { | |
1141 | printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); | |
1142 | csta->channel->d_st->lli.l4l3(csta->channel->d_st, | |
1143 | DL_ESTABLISH | REQUEST, NULL); | |
1144 | } | |
1145 | return (0); | |
1146 | } | |
1147 | ||
1148 | static void | |
1149 | release_d_st(struct Channel *chanp) | |
1150 | { | |
1151 | struct PStack *st = chanp->d_st; | |
1152 | ||
1153 | if (!st) | |
1154 | return; | |
1155 | releasestack_isdnl2(st); | |
1156 | releasestack_isdnl3(st); | |
1157 | HiSax_rmlist(st->l1.hardware, st); | |
1158 | kfree(st); | |
1159 | chanp->d_st = NULL; | |
1160 | } | |
1161 | ||
1162 | void | |
1163 | CallcFreeChan(struct IsdnCardState *csta) | |
1164 | { | |
1165 | int i; | |
1166 | ||
1167 | for (i = 0; i < 2; i++) { | |
1168 | FsmDelTimer(&csta->channel[i].drel_timer, 74); | |
1169 | FsmDelTimer(&csta->channel[i].dial_timer, 75); | |
1170 | if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) | |
1171 | release_d_st(csta->channel + i); | |
1172 | if (csta->channel[i].b_st) { | |
1173 | release_b_st(csta->channel + i); | |
1174 | kfree(csta->channel[i].b_st); | |
1175 | csta->channel[i].b_st = NULL; | |
1176 | } else | |
1177 | printk(KERN_WARNING "CallcFreeChan b_st ch%d allready freed\n", i); | |
1178 | if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { | |
1179 | release_d_st(csta->channel + i); | |
1180 | } else | |
1181 | csta->channel[i].d_st = NULL; | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | static void | |
1186 | lldata_handler(struct PStack *st, int pr, void *arg) | |
1187 | { | |
1188 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1189 | struct sk_buff *skb = arg; | |
1190 | ||
1191 | switch (pr) { | |
1192 | case (DL_DATA | INDICATION): | |
1193 | if (chanp->data_open) { | |
1194 | if (chanp->debug & 0x800) | |
1195 | link_debug(chanp, 0, "lldata: %d", skb->len); | |
1196 | chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); | |
1197 | } else { | |
1198 | link_debug(chanp, 0, "lldata: channel not open"); | |
1199 | dev_kfree_skb(skb); | |
1200 | } | |
1201 | break; | |
1202 | case (DL_ESTABLISH | INDICATION): | |
1203 | case (DL_ESTABLISH | CONFIRM): | |
1204 | FsmEvent(&chanp->fi, EV_BC_EST, NULL); | |
1205 | break; | |
1206 | case (DL_RELEASE | INDICATION): | |
1207 | case (DL_RELEASE | CONFIRM): | |
1208 | FsmEvent(&chanp->fi, EV_BC_REL, NULL); | |
1209 | break; | |
1210 | default: | |
1211 | printk(KERN_WARNING "lldata_handler unknown primitive %#x\n", | |
1212 | pr); | |
1213 | break; | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | static void | |
1218 | lltrans_handler(struct PStack *st, int pr, void *arg) | |
1219 | { | |
1220 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1221 | struct sk_buff *skb = arg; | |
1222 | ||
1223 | switch (pr) { | |
1224 | case (PH_DATA | INDICATION): | |
1225 | if (chanp->data_open) { | |
1226 | if (chanp->debug & 0x800) | |
1227 | link_debug(chanp, 0, "lltrans: %d", skb->len); | |
1228 | chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); | |
1229 | } else { | |
1230 | link_debug(chanp, 0, "lltrans: channel not open"); | |
1231 | dev_kfree_skb(skb); | |
1232 | } | |
1233 | break; | |
1234 | case (PH_ACTIVATE | INDICATION): | |
1235 | case (PH_ACTIVATE | CONFIRM): | |
1236 | FsmEvent(&chanp->fi, EV_BC_EST, NULL); | |
1237 | break; | |
1238 | case (PH_DEACTIVATE | INDICATION): | |
1239 | case (PH_DEACTIVATE | CONFIRM): | |
1240 | FsmEvent(&chanp->fi, EV_BC_REL, NULL); | |
1241 | break; | |
1242 | default: | |
1243 | printk(KERN_WARNING "lltrans_handler unknown primitive %#x\n", | |
1244 | pr); | |
1245 | break; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | void | |
1250 | lli_writewakeup(struct PStack *st, int len) | |
1251 | { | |
1252 | struct Channel *chanp = st->lli.userdata; | |
1253 | isdn_ctrl ic; | |
1254 | ||
1255 | if (chanp->debug & 0x800) | |
1256 | link_debug(chanp, 0, "llwakeup: %d", len); | |
1257 | ic.driver = chanp->cs->myid; | |
1258 | ic.command = ISDN_STAT_BSENT; | |
1259 | ic.arg = chanp->chan; | |
1260 | ic.parm.length = len; | |
1261 | chanp->cs->iif.statcallb(&ic); | |
1262 | } | |
1263 | ||
1264 | static int | |
1265 | init_b_st(struct Channel *chanp, int incoming) | |
1266 | { | |
1267 | struct PStack *st = chanp->b_st; | |
1268 | struct IsdnCardState *cs = chanp->cs; | |
1269 | char tmp[16]; | |
1270 | ||
1271 | st->l1.hardware = cs; | |
1272 | if (chanp->leased) | |
1273 | st->l1.bc = chanp->chan & 1; | |
1274 | else | |
1275 | st->l1.bc = chanp->proc->para.bchannel - 1; | |
1276 | switch (chanp->l2_active_protocol) { | |
1277 | case (ISDN_PROTO_L2_X75I): | |
1278 | case (ISDN_PROTO_L2_HDLC): | |
1279 | st->l1.mode = L1_MODE_HDLC; | |
1280 | break; | |
1281 | case (ISDN_PROTO_L2_HDLC_56K): | |
1282 | st->l1.mode = L1_MODE_HDLC_56K; | |
1283 | break; | |
1284 | case (ISDN_PROTO_L2_TRANS): | |
1285 | st->l1.mode = L1_MODE_TRANS; | |
1286 | break; | |
1287 | case (ISDN_PROTO_L2_MODEM): | |
1288 | st->l1.mode = L1_MODE_V32; | |
1289 | break; | |
1290 | case (ISDN_PROTO_L2_FAX): | |
1291 | st->l1.mode = L1_MODE_FAX; | |
1292 | break; | |
1293 | } | |
1294 | chanp->bcs->conmsg = NULL; | |
1295 | if (chanp->bcs->BC_SetStack(st, chanp->bcs)) | |
1296 | return (-1); | |
1297 | st->l2.flag = 0; | |
1298 | test_and_set_bit(FLG_LAPB, &st->l2.flag); | |
1299 | st->l2.maxlen = MAX_DATA_SIZE; | |
1300 | if (!incoming) | |
1301 | test_and_set_bit(FLG_ORIG, &st->l2.flag); | |
1302 | st->l2.T200 = 1000; /* 1000 milliseconds */ | |
1303 | st->l2.window = 7; | |
1304 | st->l2.N200 = 4; /* try 4 times */ | |
1305 | st->l2.T203 = 5000; /* 5000 milliseconds */ | |
1306 | st->l3.debug = 0; | |
1307 | switch (chanp->l2_active_protocol) { | |
1308 | case (ISDN_PROTO_L2_X75I): | |
1309 | sprintf(tmp, "Ch%d X.75", chanp->chan); | |
1310 | setstack_isdnl2(st, tmp); | |
1311 | setstack_l3bc(st, chanp); | |
1312 | st->l2.l2l3 = lldata_handler; | |
1313 | st->lli.userdata = chanp; | |
1314 | test_and_clear_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); | |
1315 | test_and_set_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); | |
1316 | st->l2.l2m.debug = chanp->debug & 16; | |
1317 | st->l2.debug = chanp->debug & 64; | |
1318 | break; | |
1319 | case (ISDN_PROTO_L2_HDLC): | |
1320 | case (ISDN_PROTO_L2_HDLC_56K): | |
1321 | case (ISDN_PROTO_L2_TRANS): | |
1322 | case (ISDN_PROTO_L2_MODEM): | |
1323 | case (ISDN_PROTO_L2_FAX): | |
1324 | st->l1.l1l2 = lltrans_handler; | |
1325 | st->lli.userdata = chanp; | |
1326 | test_and_set_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); | |
1327 | test_and_clear_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); | |
1328 | setstack_transl2(st); | |
1329 | setstack_l3bc(st, chanp); | |
1330 | break; | |
1331 | } | |
1332 | test_and_set_bit(FLG_START_B, &chanp->Flags); | |
1333 | return (0); | |
1334 | } | |
1335 | ||
1336 | static void | |
1337 | leased_l4l3(struct PStack *st, int pr, void *arg) | |
1338 | { | |
1339 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1340 | struct sk_buff *skb = arg; | |
1341 | ||
1342 | switch (pr) { | |
1343 | case (DL_DATA | REQUEST): | |
1344 | link_debug(chanp, 0, "leased line d-channel DATA"); | |
1345 | dev_kfree_skb(skb); | |
1346 | break; | |
1347 | case (DL_ESTABLISH | REQUEST): | |
1348 | st->l2.l2l1(st, PH_ACTIVATE | REQUEST, NULL); | |
1349 | break; | |
1350 | case (DL_RELEASE | REQUEST): | |
1351 | break; | |
1352 | default: | |
1353 | printk(KERN_WARNING "transd_l4l3 unknown primitive %#x\n", | |
1354 | pr); | |
1355 | break; | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | static void | |
1360 | leased_l1l2(struct PStack *st, int pr, void *arg) | |
1361 | { | |
1362 | struct Channel *chanp = (struct Channel *) st->lli.userdata; | |
1363 | struct sk_buff *skb = arg; | |
1364 | int i,event = EV_LEASED_REL; | |
1365 | ||
1366 | switch (pr) { | |
1367 | case (PH_DATA | INDICATION): | |
1368 | link_debug(chanp, 0, "leased line d-channel DATA"); | |
1369 | dev_kfree_skb(skb); | |
1370 | break; | |
1371 | case (PH_ACTIVATE | INDICATION): | |
1372 | case (PH_ACTIVATE | CONFIRM): | |
1373 | event = EV_LEASED; | |
1374 | case (PH_DEACTIVATE | INDICATION): | |
1375 | case (PH_DEACTIVATE | CONFIRM): | |
1376 | if (test_bit(FLG_TWO_DCHAN, &chanp->cs->HW_Flags)) | |
1377 | i = 1; | |
1378 | else | |
1379 | i = 0; | |
1380 | while (i < 2) { | |
1381 | FsmEvent(&chanp->fi, event, NULL); | |
1382 | chanp++; | |
1383 | i++; | |
1384 | } | |
1385 | break; | |
1386 | default: | |
1387 | printk(KERN_WARNING | |
1388 | "transd_l1l2 unknown primitive %#x\n", pr); | |
1389 | break; | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | static void | |
1394 | distr_debug(struct IsdnCardState *csta, int debugflags) | |
1395 | { | |
1396 | int i; | |
1397 | struct Channel *chanp = csta->channel; | |
1398 | ||
1399 | for (i = 0; i < (2 + MAX_WAITING_CALLS) ; i++) { | |
1400 | chanp[i].debug = debugflags; | |
1401 | chanp[i].fi.debug = debugflags & 2; | |
1402 | chanp[i].d_st->l2.l2m.debug = debugflags & 8; | |
1403 | chanp[i].b_st->l2.l2m.debug = debugflags & 0x10; | |
1404 | chanp[i].d_st->l2.debug = debugflags & 0x20; | |
1405 | chanp[i].b_st->l2.debug = debugflags & 0x40; | |
1406 | chanp[i].d_st->l3.l3m.debug = debugflags & 0x80; | |
1407 | chanp[i].b_st->l3.l3m.debug = debugflags & 0x100; | |
1408 | chanp[i].b_st->ma.tei_m.debug = debugflags & 0x200; | |
1409 | chanp[i].b_st->ma.debug = debugflags & 0x200; | |
1410 | chanp[i].d_st->l1.l1m.debug = debugflags & 0x1000; | |
1411 | chanp[i].b_st->l1.l1m.debug = debugflags & 0x2000; | |
1412 | } | |
1413 | if (debugflags & 4) | |
1414 | csta->debug |= DEB_DLOG_HEX; | |
1415 | else | |
1416 | csta->debug &= ~DEB_DLOG_HEX; | |
1417 | } | |
1418 | ||
1419 | static char tmpbuf[256]; | |
1420 | ||
1421 | static void | |
1422 | capi_debug(struct Channel *chanp, capi_msg *cm) | |
1423 | { | |
1424 | char *t = tmpbuf; | |
1425 | ||
1426 | t += QuickHex(t, (u_char *)cm, (cm->Length>50)? 50: cm->Length); | |
1427 | t--; | |
1428 | *t= 0; | |
1429 | HiSax_putstatus(chanp->cs, "Ch", "%d CAPIMSG %s", chanp->chan, tmpbuf); | |
1430 | } | |
1431 | ||
672c3fd9 | 1432 | static void |
1da177e4 LT |
1433 | lli_got_fac_req(struct Channel *chanp, capi_msg *cm) { |
1434 | if ((cm->para[0] != 3) || (cm->para[1] != 0)) | |
1435 | return; | |
1436 | if (cm->para[2]<3) | |
1437 | return; | |
1438 | if (cm->para[4] != 0) | |
1439 | return; | |
1440 | switch(cm->para[3]) { | |
1441 | case 4: /* Suspend */ | |
1442 | strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] +1); | |
1443 | FsmEvent(&chanp->fi, EV_SUSPEND, cm); | |
1444 | break; | |
1445 | case 5: /* Resume */ | |
1446 | strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] +1); | |
1447 | if (chanp->fi.state == ST_NULL) { | |
1448 | FsmEvent(&chanp->fi, EV_RESUME, cm); | |
1449 | } else { | |
1450 | FsmDelTimer(&chanp->dial_timer, 72); | |
1451 | FsmAddTimer(&chanp->dial_timer, 80, EV_RESUME, cm, 73); | |
1452 | } | |
1453 | break; | |
1454 | } | |
1455 | } | |
1456 | ||
672c3fd9 | 1457 | static void |
1da177e4 LT |
1458 | lli_got_manufacturer(struct Channel *chanp, struct IsdnCardState *cs, capi_msg *cm) { |
1459 | if ((cs->typ == ISDN_CTYPE_ELSA) || (cs->typ == ISDN_CTYPE_ELSA_PNP) || | |
1460 | (cs->typ == ISDN_CTYPE_ELSA_PCI)) { | |
1461 | if (cs->hw.elsa.MFlag) { | |
1462 | cs->cardmsg(cs, CARD_AUX_IND, cm->para); | |
1463 | } | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | ||
1468 | /***************************************************************/ | |
1469 | /* Limit the available number of channels for the current card */ | |
1470 | /***************************************************************/ | |
1471 | static int | |
1472 | set_channel_limit(struct IsdnCardState *cs, int chanmax) | |
1473 | { | |
1474 | isdn_ctrl ic; | |
1475 | int i, ii; | |
1476 | ||
1477 | if ((chanmax < 0) || (chanmax > 2)) | |
1478 | return(-EINVAL); | |
1479 | cs->chanlimit = 0; | |
1480 | for (ii = 0; ii < 2; ii++) { | |
1481 | ic.driver = cs->myid; | |
1482 | ic.command = ISDN_STAT_DISCH; | |
1483 | ic.arg = ii; | |
1484 | if (ii >= chanmax) | |
1485 | ic.parm.num[0] = 0; /* disabled */ | |
1486 | else | |
1487 | ic.parm.num[0] = 1; /* enabled */ | |
1488 | i = cs->iif.statcallb(&ic); | |
1489 | if (i) return(-EINVAL); | |
1490 | if (ii < chanmax) | |
1491 | cs->chanlimit++; | |
1492 | } | |
1493 | return(0); | |
1494 | } /* set_channel_limit */ | |
1495 | ||
1496 | int | |
1497 | HiSax_command(isdn_ctrl * ic) | |
1498 | { | |
1499 | struct IsdnCardState *csta = hisax_findcard(ic->driver); | |
1500 | struct PStack *st; | |
1501 | struct Channel *chanp; | |
1502 | int i; | |
1503 | u_int num; | |
1504 | ||
1505 | if (!csta) { | |
1506 | printk(KERN_ERR | |
1507 | "HiSax: if_command %d called with invalid driverId %d!\n", | |
1508 | ic->command, ic->driver); | |
1509 | return -ENODEV; | |
1510 | } | |
1511 | switch (ic->command) { | |
1512 | case (ISDN_CMD_SETEAZ): | |
1513 | chanp = csta->channel + ic->arg; | |
1514 | break; | |
1515 | case (ISDN_CMD_SETL2): | |
1516 | chanp = csta->channel + (ic->arg & 0xff); | |
1517 | if (chanp->debug & 1) | |
1518 | link_debug(chanp, 1, "SETL2 card %d %ld", | |
1519 | csta->cardnr + 1, ic->arg >> 8); | |
1520 | chanp->l2_protocol = ic->arg >> 8; | |
1521 | break; | |
1522 | case (ISDN_CMD_SETL3): | |
1523 | chanp = csta->channel + (ic->arg & 0xff); | |
1524 | if (chanp->debug & 1) | |
1525 | link_debug(chanp, 1, "SETL3 card %d %ld", | |
1526 | csta->cardnr + 1, ic->arg >> 8); | |
1527 | chanp->l3_protocol = ic->arg >> 8; | |
1528 | break; | |
1529 | case (ISDN_CMD_DIAL): | |
1530 | chanp = csta->channel + (ic->arg & 0xff); | |
1531 | if (chanp->debug & 1) | |
1532 | link_debug(chanp, 1, "DIAL %s -> %s (%d,%d)", | |
1533 | ic->parm.setup.eazmsn, ic->parm.setup.phone, | |
1534 | ic->parm.setup.si1, ic->parm.setup.si2); | |
1535 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1536 | if (!strcmp(chanp->setup.eazmsn, "0")) | |
1537 | chanp->setup.eazmsn[0] = '\0'; | |
1538 | /* this solution is dirty and may be change, if | |
1539 | * we make a callreference based callmanager */ | |
1540 | if (chanp->fi.state == ST_NULL) { | |
1541 | FsmEvent(&chanp->fi, EV_DIAL, NULL); | |
1542 | } else { | |
1543 | FsmDelTimer(&chanp->dial_timer, 70); | |
1544 | FsmAddTimer(&chanp->dial_timer, 50, EV_DIAL, NULL, 71); | |
1545 | } | |
1546 | break; | |
1547 | case (ISDN_CMD_ACCEPTB): | |
1548 | chanp = csta->channel + ic->arg; | |
1549 | if (chanp->debug & 1) | |
1550 | link_debug(chanp, 1, "ACCEPTB"); | |
1551 | FsmEvent(&chanp->fi, EV_ACCEPTB, NULL); | |
1552 | break; | |
1553 | case (ISDN_CMD_ACCEPTD): | |
1554 | chanp = csta->channel + ic->arg; | |
1555 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1556 | if (chanp->debug & 1) | |
1557 | link_debug(chanp, 1, "ACCEPTD"); | |
1558 | FsmEvent(&chanp->fi, EV_ACCEPTD, NULL); | |
1559 | break; | |
1560 | case (ISDN_CMD_HANGUP): | |
1561 | chanp = csta->channel + ic->arg; | |
1562 | if (chanp->debug & 1) | |
1563 | link_debug(chanp, 1, "HANGUP"); | |
1564 | FsmEvent(&chanp->fi, EV_HANGUP, NULL); | |
1565 | break; | |
1566 | case (CAPI_PUT_MESSAGE): | |
1567 | chanp = csta->channel + ic->arg; | |
1568 | if (chanp->debug & 1) | |
1569 | capi_debug(chanp, &ic->parm.cmsg); | |
1570 | if (ic->parm.cmsg.Length < 8) | |
1571 | break; | |
1572 | switch(ic->parm.cmsg.Command) { | |
1573 | case CAPI_FACILITY: | |
1574 | if (ic->parm.cmsg.Subcommand == CAPI_REQ) | |
1575 | lli_got_fac_req(chanp, &ic->parm.cmsg); | |
1576 | break; | |
1577 | case CAPI_MANUFACTURER: | |
1578 | if (ic->parm.cmsg.Subcommand == CAPI_REQ) | |
1579 | lli_got_manufacturer(chanp, csta, &ic->parm.cmsg); | |
1580 | break; | |
1581 | default: | |
1582 | break; | |
1583 | } | |
1584 | break; | |
1585 | case (ISDN_CMD_IOCTL): | |
1586 | switch (ic->arg) { | |
1587 | case (0): | |
1588 | num = *(unsigned int *) ic->parm.num; | |
1589 | HiSax_reportcard(csta->cardnr, num); | |
1590 | break; | |
1591 | case (1): | |
1592 | num = *(unsigned int *) ic->parm.num; | |
1593 | distr_debug(csta, num); | |
1594 | printk(KERN_DEBUG "HiSax: debugging flags card %d set to %x\n", | |
1595 | csta->cardnr + 1, num); | |
1596 | HiSax_putstatus(csta, "debugging flags ", | |
1597 | "card %d set to %x", csta->cardnr + 1, num); | |
1598 | break; | |
1599 | case (2): | |
1600 | num = *(unsigned int *) ic->parm.num; | |
1601 | csta->channel[0].b_st->l1.delay = num; | |
1602 | csta->channel[1].b_st->l1.delay = num; | |
1603 | HiSax_putstatus(csta, "delay ", "card %d set to %d ms", | |
1604 | csta->cardnr + 1, num); | |
1605 | printk(KERN_DEBUG "HiSax: delay card %d set to %d ms\n", | |
1606 | csta->cardnr + 1, num); | |
1607 | break; | |
1608 | case (5): /* set card in leased mode */ | |
1609 | num = *(unsigned int *) ic->parm.num; | |
1610 | if ((num <1) || (num > 2)) { | |
1611 | HiSax_putstatus(csta, "Set LEASED ", | |
1612 | "wrong channel %d", num); | |
1613 | printk(KERN_WARNING "HiSax: Set LEASED wrong channel %d\n", | |
1614 | num); | |
1615 | } else { | |
1616 | num--; | |
1617 | chanp = csta->channel +num; | |
1618 | chanp->leased = 1; | |
1619 | HiSax_putstatus(csta, "Card", | |
1620 | "%d channel %d set leased mode\n", | |
1621 | csta->cardnr + 1, num + 1); | |
1622 | chanp->d_st->l1.l1l2 = leased_l1l2; | |
1623 | chanp->d_st->lli.l4l3 = leased_l4l3; | |
1624 | chanp->d_st->lli.l4l3(chanp->d_st, | |
1625 | DL_ESTABLISH | REQUEST, NULL); | |
1626 | } | |
1627 | break; | |
1628 | case (6): /* set B-channel test loop */ | |
1629 | num = *(unsigned int *) ic->parm.num; | |
1630 | if (csta->stlist) | |
1631 | csta->stlist->l2.l2l1(csta->stlist, | |
1632 | PH_TESTLOOP | REQUEST, (void *) (long)num); | |
1633 | break; | |
1634 | case (7): /* set card in PTP mode */ | |
1635 | num = *(unsigned int *) ic->parm.num; | |
1636 | if (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { | |
1637 | printk(KERN_ERR "HiSax PTP mode only with one TEI possible\n"); | |
1638 | } else if (num) { | |
1639 | test_and_set_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); | |
1640 | test_and_set_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); | |
1641 | csta->channel[0].d_st->l2.tei = 0; | |
1642 | HiSax_putstatus(csta, "set card ", "in PTP mode"); | |
1643 | printk(KERN_DEBUG "HiSax: set card in PTP mode\n"); | |
1644 | printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); | |
1645 | csta->channel[0].d_st->lli.l4l3(csta->channel[0].d_st, | |
1646 | DL_ESTABLISH | REQUEST, NULL); | |
1647 | } else { | |
1648 | test_and_clear_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); | |
1649 | test_and_clear_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); | |
1650 | HiSax_putstatus(csta, "set card ", "in PTMP mode"); | |
1651 | printk(KERN_DEBUG "HiSax: set card in PTMP mode\n"); | |
1652 | } | |
1653 | break; | |
1654 | case (8): /* set card in FIXED TEI mode */ | |
1655 | num = *(unsigned int *) ic->parm.num; | |
1656 | chanp = csta->channel + (num & 1); | |
1657 | num = num >>1; | |
1658 | if (num == 127) { | |
1659 | test_and_clear_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); | |
1660 | chanp->d_st->l2.tei = -1; | |
1661 | HiSax_putstatus(csta, "set card ", "in VAR TEI mode"); | |
1662 | printk(KERN_DEBUG "HiSax: set card in VAR TEI mode\n"); | |
1663 | } else { | |
1664 | test_and_set_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); | |
1665 | chanp->d_st->l2.tei = num; | |
1666 | HiSax_putstatus(csta, "set card ", "in FIXED TEI (%d) mode", num); | |
1667 | printk(KERN_DEBUG "HiSax: set card in FIXED TEI (%d) mode\n", | |
1668 | num); | |
1669 | } | |
1670 | chanp->d_st->lli.l4l3(chanp->d_st, | |
1671 | DL_ESTABLISH | REQUEST, NULL); | |
1672 | break; | |
1673 | case (11): | |
1674 | num = csta->debug & DEB_DLOG_HEX; | |
1675 | csta->debug = *(unsigned int *) ic->parm.num; | |
1676 | csta->debug |= num; | |
1677 | HiSax_putstatus(cards[0].cs, "l1 debugging ", | |
1678 | "flags card %d set to %x", | |
1679 | csta->cardnr + 1, csta->debug); | |
1680 | printk(KERN_DEBUG "HiSax: l1 debugging flags card %d set to %x\n", | |
1681 | csta->cardnr + 1, csta->debug); | |
1682 | break; | |
1683 | case (13): | |
1684 | csta->channel[0].d_st->l3.debug = *(unsigned int *) ic->parm.num; | |
1685 | csta->channel[1].d_st->l3.debug = *(unsigned int *) ic->parm.num; | |
1686 | HiSax_putstatus(cards[0].cs, "l3 debugging ", | |
1687 | "flags card %d set to %x\n", csta->cardnr + 1, | |
1688 | *(unsigned int *) ic->parm.num); | |
1689 | printk(KERN_DEBUG "HiSax: l3 debugging flags card %d set to %x\n", | |
1690 | csta->cardnr + 1, *(unsigned int *) ic->parm.num); | |
1691 | break; | |
1692 | case (10): | |
1693 | i = *(unsigned int *) ic->parm.num; | |
1694 | return(set_channel_limit(csta, i)); | |
1695 | default: | |
1696 | if (csta->auxcmd) | |
1697 | return(csta->auxcmd(csta, ic)); | |
1698 | printk(KERN_DEBUG "HiSax: invalid ioclt %d\n", | |
1699 | (int) ic->arg); | |
1700 | return (-EINVAL); | |
1701 | } | |
1702 | break; | |
1703 | ||
1704 | case (ISDN_CMD_PROCEED): | |
1705 | chanp = csta->channel + ic->arg; | |
1706 | if (chanp->debug & 1) | |
1707 | link_debug(chanp, 1, "PROCEED"); | |
1708 | FsmEvent(&chanp->fi, EV_PROCEED, NULL); | |
1709 | break; | |
1710 | ||
1711 | case (ISDN_CMD_ALERT): | |
1712 | chanp = csta->channel + ic->arg; | |
1713 | if (chanp->debug & 1) | |
1714 | link_debug(chanp, 1, "ALERT"); | |
1715 | FsmEvent(&chanp->fi, EV_ALERT, NULL); | |
1716 | break; | |
1717 | ||
1718 | case (ISDN_CMD_REDIR): | |
1719 | chanp = csta->channel + ic->arg; | |
1720 | if (chanp->debug & 1) | |
1721 | link_debug(chanp, 1, "REDIR"); | |
1722 | memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); | |
1723 | FsmEvent(&chanp->fi, EV_REDIR, NULL); | |
1724 | break; | |
1725 | ||
1726 | /* protocol specific io commands */ | |
1727 | case (ISDN_CMD_PROT_IO): | |
1728 | for (st = csta->stlist; st; st = st->next) | |
1729 | if (st->protocol == (ic->arg & 0xFF)) | |
1730 | return(st->lli.l4l3_proto(st, ic)); | |
1731 | return(-EINVAL); | |
1732 | break; | |
1733 | default: | |
1734 | if (csta->auxcmd) | |
1735 | return(csta->auxcmd(csta, ic)); | |
1736 | return(-EINVAL); | |
1737 | } | |
1738 | return (0); | |
1739 | } | |
1740 | ||
1741 | int | |
1742 | HiSax_writebuf_skb(int id, int chan, int ack, struct sk_buff *skb) | |
1743 | { | |
1744 | struct IsdnCardState *csta = hisax_findcard(id); | |
1745 | struct Channel *chanp; | |
1746 | struct PStack *st; | |
1747 | int len = skb->len; | |
1748 | struct sk_buff *nskb; | |
1749 | ||
1750 | if (!csta) { | |
1751 | printk(KERN_ERR | |
1752 | "HiSax: if_sendbuf called with invalid driverId!\n"); | |
1753 | return -ENODEV; | |
1754 | } | |
1755 | chanp = csta->channel + chan; | |
1756 | st = chanp->b_st; | |
1757 | if (!chanp->data_open) { | |
1758 | link_debug(chanp, 1, "writebuf: channel not open"); | |
1759 | return -EIO; | |
1760 | } | |
1761 | if (len > MAX_DATA_SIZE) { | |
1762 | link_debug(chanp, 1, "writebuf: packet too large (%d bytes)", len); | |
1763 | printk(KERN_WARNING "HiSax_writebuf: packet too large (%d bytes) !\n", | |
1764 | len); | |
1765 | return -EINVAL; | |
1766 | } | |
1767 | if (len) { | |
1768 | if ((len + chanp->bcs->tx_cnt) > MAX_DATA_MEM) { | |
1769 | /* Must return 0 here, since this is not an error | |
1770 | * but a temporary lack of resources. | |
1771 | */ | |
1772 | if (chanp->debug & 0x800) | |
1773 | link_debug(chanp, 1, "writebuf: no buffers for %d bytes", len); | |
1774 | return 0; | |
1775 | } else if (chanp->debug & 0x800) | |
1776 | link_debug(chanp, 1, "writebuf %d/%d/%d", len, chanp->bcs->tx_cnt,MAX_DATA_MEM); | |
1777 | nskb = skb_clone(skb, GFP_ATOMIC); | |
1778 | if (nskb) { | |
1779 | nskb->truesize = nskb->len; | |
1780 | if (!ack) | |
1781 | nskb->pkt_type = PACKET_NOACK; | |
1782 | if (chanp->l2_active_protocol == ISDN_PROTO_L2_X75I) | |
1783 | st->l3.l3l2(st, DL_DATA | REQUEST, nskb); | |
1784 | else { | |
1785 | chanp->bcs->tx_cnt += len; | |
1786 | st->l2.l2l1(st, PH_DATA | REQUEST, nskb); | |
1787 | } | |
1788 | dev_kfree_skb(skb); | |
1789 | } else | |
1790 | len = 0; | |
1791 | } | |
1792 | return (len); | |
1793 | } |