Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /********************************************************************* |
6819bc2e | 2 | * |
1da177e4 LT |
3 | * Filename: ircomm_core.c |
4 | * Version: 1.0 | |
5 | * Description: IrCOMM service interface | |
6 | * Status: Experimental. | |
7 | * Author: Dag Brattli <dagb@cs.uit.no> | |
8 | * Created at: Sun Jun 6 20:37:34 1999 | |
9 | * Modified at: Tue Dec 21 13:26:41 1999 | |
10 | * Modified by: Dag Brattli <dagb@cs.uit.no> | |
6819bc2e | 11 | * |
1da177e4 LT |
12 | * Copyright (c) 1999 Dag Brattli, All Rights Reserved. |
13 | * Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com> | |
6819bc2e YH |
14 | * |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License as | |
17 | * published by the Free Software Foundation; either version 2 of | |
1da177e4 | 18 | * the License, or (at your option) any later version. |
6819bc2e | 19 | * |
1da177e4 LT |
20 | * This program is distributed in the hope that it will be useful, |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
6819bc2e YH |
24 | * |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
1da177e4 | 28 | * MA 02111-1307 USA |
6819bc2e | 29 | * |
1da177e4 LT |
30 | ********************************************************************/ |
31 | ||
1da177e4 | 32 | #include <linux/module.h> |
1da177e4 LT |
33 | #include <linux/proc_fs.h> |
34 | #include <linux/seq_file.h> | |
35 | #include <linux/init.h> | |
36 | ||
37 | #include <net/irda/irda.h> | |
38 | #include <net/irda/irmod.h> | |
39 | #include <net/irda/irlmp.h> | |
40 | #include <net/irda/iriap.h> | |
41 | #include <net/irda/irttp.h> | |
42 | #include <net/irda/irias_object.h> | |
43 | ||
44 | #include <net/irda/ircomm_event.h> | |
45 | #include <net/irda/ircomm_lmp.h> | |
46 | #include <net/irda/ircomm_ttp.h> | |
47 | #include <net/irda/ircomm_param.h> | |
48 | #include <net/irda/ircomm_core.h> | |
49 | ||
50 | static int __ircomm_close(struct ircomm_cb *self); | |
6819bc2e | 51 | static void ircomm_control_indication(struct ircomm_cb *self, |
1da177e4 LT |
52 | struct sk_buff *skb, int clen); |
53 | ||
54 | #ifdef CONFIG_PROC_FS | |
55 | extern struct proc_dir_entry *proc_irda; | |
56 | static int ircomm_seq_open(struct inode *, struct file *); | |
57 | ||
da7071d7 | 58 | static const struct file_operations ircomm_proc_fops = { |
1da177e4 LT |
59 | .owner = THIS_MODULE, |
60 | .open = ircomm_seq_open, | |
61 | .read = seq_read, | |
62 | .llseek = seq_lseek, | |
63 | .release = seq_release, | |
64 | }; | |
65 | #endif /* CONFIG_PROC_FS */ | |
66 | ||
67 | hashbin_t *ircomm = NULL; | |
68 | ||
69 | static int __init ircomm_init(void) | |
70 | { | |
6819bc2e | 71 | ircomm = hashbin_new(HB_LOCK); |
1da177e4 LT |
72 | if (ircomm == NULL) { |
73 | IRDA_ERROR("%s(), can't allocate hashbin!\n", __FUNCTION__); | |
74 | return -ENOMEM; | |
75 | } | |
6819bc2e | 76 | |
1da177e4 LT |
77 | #ifdef CONFIG_PROC_FS |
78 | { struct proc_dir_entry *ent; | |
5e47879f WC |
79 | ent = proc_create("ircomm", 0, proc_irda, &ircomm_proc_fops); |
80 | if (!ent) { | |
81 | printk(KERN_ERR "ircomm_init: can't create /proc entry!\n"); | |
82 | return -ENODEV; | |
83 | } | |
1da177e4 LT |
84 | } |
85 | #endif /* CONFIG_PROC_FS */ | |
6819bc2e | 86 | |
1da177e4 | 87 | IRDA_MESSAGE("IrCOMM protocol (Dag Brattli)\n"); |
6819bc2e | 88 | |
1da177e4 LT |
89 | return 0; |
90 | } | |
91 | ||
92 | static void __exit ircomm_cleanup(void) | |
93 | { | |
94 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
95 | ||
96 | hashbin_delete(ircomm, (FREE_FUNC) __ircomm_close); | |
97 | ||
98 | #ifdef CONFIG_PROC_FS | |
99 | remove_proc_entry("ircomm", proc_irda); | |
100 | #endif /* CONFIG_PROC_FS */ | |
101 | } | |
102 | ||
103 | /* | |
104 | * Function ircomm_open (client_notify) | |
105 | * | |
106 | * Start a new IrCOMM instance | |
107 | * | |
108 | */ | |
109 | struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line) | |
110 | { | |
111 | struct ircomm_cb *self = NULL; | |
112 | int ret; | |
113 | ||
114 | IRDA_DEBUG(2, "%s(), service_type=0x%02x\n", __FUNCTION__ , | |
115 | service_type); | |
116 | ||
117 | IRDA_ASSERT(ircomm != NULL, return NULL;); | |
118 | ||
0da974f4 | 119 | self = kzalloc(sizeof(struct ircomm_cb), GFP_ATOMIC); |
1da177e4 LT |
120 | if (self == NULL) |
121 | return NULL; | |
122 | ||
1da177e4 LT |
123 | self->notify = *notify; |
124 | self->magic = IRCOMM_MAGIC; | |
125 | ||
126 | /* Check if we should use IrLMP or IrTTP */ | |
127 | if (service_type & IRCOMM_3_WIRE_RAW) { | |
128 | self->flow_status = FLOW_START; | |
129 | ret = ircomm_open_lsap(self); | |
130 | } else | |
131 | ret = ircomm_open_tsap(self); | |
132 | ||
133 | if (ret < 0) { | |
134 | kfree(self); | |
135 | return NULL; | |
136 | } | |
137 | ||
138 | self->service_type = service_type; | |
139 | self->line = line; | |
140 | ||
141 | hashbin_insert(ircomm, (irda_queue_t *) self, line, NULL); | |
142 | ||
6819bc2e | 143 | ircomm_next_state(self, IRCOMM_IDLE); |
1da177e4 LT |
144 | |
145 | return self; | |
146 | } | |
147 | ||
148 | EXPORT_SYMBOL(ircomm_open); | |
149 | ||
150 | /* | |
151 | * Function ircomm_close_instance (self) | |
152 | * | |
153 | * Remove IrCOMM instance | |
154 | * | |
155 | */ | |
156 | static int __ircomm_close(struct ircomm_cb *self) | |
157 | { | |
158 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
159 | ||
160 | /* Disconnect link if any */ | |
161 | ircomm_do_event(self, IRCOMM_DISCONNECT_REQUEST, NULL, NULL); | |
162 | ||
163 | /* Remove TSAP */ | |
164 | if (self->tsap) { | |
165 | irttp_close_tsap(self->tsap); | |
166 | self->tsap = NULL; | |
167 | } | |
168 | ||
169 | /* Remove LSAP */ | |
170 | if (self->lsap) { | |
171 | irlmp_close_lsap(self->lsap); | |
172 | self->lsap = NULL; | |
173 | } | |
174 | self->magic = 0; | |
175 | ||
176 | kfree(self); | |
177 | ||
178 | return 0; | |
179 | } | |
180 | ||
181 | /* | |
182 | * Function ircomm_close (self) | |
183 | * | |
184 | * Closes and removes the specified IrCOMM instance | |
185 | * | |
186 | */ | |
187 | int ircomm_close(struct ircomm_cb *self) | |
188 | { | |
189 | struct ircomm_cb *entry; | |
190 | ||
191 | IRDA_ASSERT(self != NULL, return -EIO;); | |
192 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EIO;); | |
193 | ||
194 | IRDA_DEBUG(0, "%s()\n", __FUNCTION__ ); | |
195 | ||
196 | entry = hashbin_remove(ircomm, self->line, NULL); | |
197 | ||
198 | IRDA_ASSERT(entry == self, return -1;); | |
6819bc2e YH |
199 | |
200 | return __ircomm_close(self); | |
1da177e4 LT |
201 | } |
202 | ||
203 | EXPORT_SYMBOL(ircomm_close); | |
204 | ||
205 | /* | |
206 | * Function ircomm_connect_request (self, service_type) | |
207 | * | |
208 | * Impl. of this function is differ from one of the reference. This | |
209 | * function does discovery as well as sending connect request | |
6819bc2e | 210 | * |
1da177e4 | 211 | */ |
6819bc2e | 212 | int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel, |
1da177e4 LT |
213 | __u32 saddr, __u32 daddr, struct sk_buff *skb, |
214 | __u8 service_type) | |
215 | { | |
216 | struct ircomm_info info; | |
217 | int ret; | |
218 | ||
219 | IRDA_DEBUG(2 , "%s()\n", __FUNCTION__ ); | |
220 | ||
221 | IRDA_ASSERT(self != NULL, return -1;); | |
222 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
223 | ||
224 | self->service_type= service_type; | |
225 | ||
226 | info.dlsap_sel = dlsap_sel; | |
227 | info.saddr = saddr; | |
228 | info.daddr = daddr; | |
229 | ||
230 | ret = ircomm_do_event(self, IRCOMM_CONNECT_REQUEST, skb, &info); | |
231 | ||
232 | return ret; | |
233 | } | |
234 | ||
235 | EXPORT_SYMBOL(ircomm_connect_request); | |
236 | ||
237 | /* | |
238 | * Function ircomm_connect_indication (self, qos, skb) | |
239 | * | |
240 | * Notify user layer about the incoming connection | |
241 | * | |
242 | */ | |
243 | void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
244 | struct ircomm_info *info) | |
245 | { | |
246 | int clen = 0; | |
6819bc2e | 247 | |
1da177e4 LT |
248 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); |
249 | ||
250 | /* Check if the packet contains data on the control channel */ | |
251 | if (skb->len > 0) | |
252 | clen = skb->data[0]; | |
6819bc2e YH |
253 | |
254 | /* | |
255 | * If there are any data hiding in the control channel, we must | |
256 | * deliver it first. The side effect is that the control channel | |
1da177e4 LT |
257 | * will be removed from the skb |
258 | */ | |
259 | if (self->notify.connect_indication) | |
6819bc2e | 260 | self->notify.connect_indication(self->notify.instance, self, |
1da177e4 LT |
261 | info->qos, info->max_data_size, |
262 | info->max_header_size, skb); | |
263 | else { | |
264 | IRDA_DEBUG(0, "%s(), missing handler\n", __FUNCTION__ ); | |
265 | } | |
266 | } | |
267 | ||
268 | /* | |
269 | * Function ircomm_connect_response (self, userdata, max_sdu_size) | |
270 | * | |
271 | * User accepts connection | |
272 | * | |
273 | */ | |
274 | int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata) | |
275 | { | |
276 | int ret; | |
277 | ||
278 | IRDA_ASSERT(self != NULL, return -1;); | |
279 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
280 | ||
281 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
282 | ||
283 | ret = ircomm_do_event(self, IRCOMM_CONNECT_RESPONSE, userdata, NULL); | |
284 | ||
285 | return ret; | |
6819bc2e | 286 | } |
1da177e4 LT |
287 | |
288 | EXPORT_SYMBOL(ircomm_connect_response); | |
289 | ||
290 | /* | |
291 | * Function connect_confirm (self, skb) | |
292 | * | |
293 | * Notify user layer that the link is now connected | |
294 | * | |
295 | */ | |
296 | void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb, | |
297 | struct ircomm_info *info) | |
298 | { | |
299 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
300 | ||
301 | if (self->notify.connect_confirm ) | |
302 | self->notify.connect_confirm(self->notify.instance, | |
6819bc2e | 303 | self, info->qos, |
1da177e4 LT |
304 | info->max_data_size, |
305 | info->max_header_size, skb); | |
306 | else { | |
307 | IRDA_DEBUG(0, "%s(), missing handler\n", __FUNCTION__ ); | |
308 | } | |
309 | } | |
310 | ||
311 | /* | |
312 | * Function ircomm_data_request (self, userdata) | |
313 | * | |
314 | * Send IrCOMM data to peer device | |
315 | * | |
316 | */ | |
317 | int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb) | |
318 | { | |
319 | int ret; | |
320 | ||
321 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
322 | ||
323 | IRDA_ASSERT(self != NULL, return -EFAULT;); | |
324 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EFAULT;); | |
325 | IRDA_ASSERT(skb != NULL, return -EFAULT;); | |
6819bc2e | 326 | |
1da177e4 LT |
327 | ret = ircomm_do_event(self, IRCOMM_DATA_REQUEST, skb, NULL); |
328 | ||
329 | return ret; | |
330 | } | |
331 | ||
332 | EXPORT_SYMBOL(ircomm_data_request); | |
333 | ||
334 | /* | |
335 | * Function ircomm_data_indication (self, skb) | |
336 | * | |
337 | * Data arrived, so deliver it to user | |
338 | * | |
339 | */ | |
340 | void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb) | |
6819bc2e | 341 | { |
1da177e4 LT |
342 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); |
343 | ||
344 | IRDA_ASSERT(skb->len > 0, return;); | |
345 | ||
346 | if (self->notify.data_indication) | |
347 | self->notify.data_indication(self->notify.instance, self, skb); | |
348 | else { | |
349 | IRDA_DEBUG(0, "%s(), missing handler\n", __FUNCTION__ ); | |
350 | } | |
351 | } | |
352 | ||
353 | /* | |
354 | * Function ircomm_process_data (self, skb) | |
355 | * | |
356 | * Data arrived which may contain control channel data | |
357 | * | |
358 | */ | |
359 | void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb) | |
360 | { | |
361 | int clen; | |
362 | ||
363 | IRDA_ASSERT(skb->len > 0, return;); | |
364 | ||
365 | clen = skb->data[0]; | |
366 | ||
5d780cd6 RB |
367 | /* |
368 | * Input validation check: a stir4200/mcp2150 combinations sometimes | |
369 | * results in frames with clen > remaining packet size. These are | |
370 | * illegal; if we throw away just this frame then it seems to carry on | |
371 | * fine | |
372 | */ | |
373 | if (unlikely(skb->len < (clen + 1))) { | |
374 | IRDA_DEBUG(2, "%s() throwing away illegal frame\n", | |
375 | __FUNCTION__ ); | |
376 | return; | |
377 | } | |
378 | ||
6819bc2e YH |
379 | /* |
380 | * If there are any data hiding in the control channel, we must | |
381 | * deliver it first. The side effect is that the control channel | |
1da177e4 LT |
382 | * will be removed from the skb |
383 | */ | |
384 | if (clen > 0) | |
385 | ircomm_control_indication(self, skb, clen); | |
386 | ||
387 | /* Remove control channel from data channel */ | |
388 | skb_pull(skb, clen+1); | |
389 | ||
390 | if (skb->len) | |
6819bc2e | 391 | ircomm_data_indication(self, skb); |
1da177e4 LT |
392 | else { |
393 | IRDA_DEBUG(4, "%s(), data was control info only!\n", | |
394 | __FUNCTION__ ); | |
395 | } | |
396 | } | |
397 | ||
398 | /* | |
399 | * Function ircomm_control_request (self, params) | |
400 | * | |
401 | * Send control data to peer device | |
402 | * | |
403 | */ | |
404 | int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb) | |
405 | { | |
406 | int ret; | |
6819bc2e | 407 | |
1da177e4 LT |
408 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); |
409 | ||
410 | IRDA_ASSERT(self != NULL, return -EFAULT;); | |
411 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EFAULT;); | |
412 | IRDA_ASSERT(skb != NULL, return -EFAULT;); | |
6819bc2e | 413 | |
1da177e4 LT |
414 | ret = ircomm_do_event(self, IRCOMM_CONTROL_REQUEST, skb, NULL); |
415 | ||
416 | return ret; | |
417 | } | |
418 | ||
419 | EXPORT_SYMBOL(ircomm_control_request); | |
420 | ||
421 | /* | |
422 | * Function ircomm_control_indication (self, skb) | |
423 | * | |
424 | * Data has arrived on the control channel | |
425 | * | |
426 | */ | |
6819bc2e | 427 | static void ircomm_control_indication(struct ircomm_cb *self, |
1da177e4 LT |
428 | struct sk_buff *skb, int clen) |
429 | { | |
6819bc2e | 430 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); |
1da177e4 LT |
431 | |
432 | /* Use udata for delivering data on the control channel */ | |
433 | if (self->notify.udata_indication) { | |
434 | struct sk_buff *ctrl_skb; | |
435 | ||
436 | /* We don't own the skb, so clone it */ | |
437 | ctrl_skb = skb_clone(skb, GFP_ATOMIC); | |
438 | if (!ctrl_skb) | |
439 | return; | |
440 | ||
441 | /* Remove data channel from control channel */ | |
442 | skb_trim(ctrl_skb, clen+1); | |
6819bc2e YH |
443 | |
444 | self->notify.udata_indication(self->notify.instance, self, | |
1da177e4 LT |
445 | ctrl_skb); |
446 | ||
447 | /* Drop reference count - | |
448 | * see ircomm_tty_control_indication(). */ | |
449 | dev_kfree_skb(ctrl_skb); | |
450 | } else { | |
451 | IRDA_DEBUG(0, "%s(), missing handler\n", __FUNCTION__ ); | |
452 | } | |
453 | } | |
454 | ||
455 | /* | |
456 | * Function ircomm_disconnect_request (self, userdata, priority) | |
457 | * | |
458 | * User layer wants to disconnect the IrCOMM connection | |
459 | * | |
460 | */ | |
461 | int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata) | |
462 | { | |
463 | struct ircomm_info info; | |
464 | int ret; | |
465 | ||
466 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
467 | ||
468 | IRDA_ASSERT(self != NULL, return -1;); | |
469 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
470 | ||
6819bc2e | 471 | ret = ircomm_do_event(self, IRCOMM_DISCONNECT_REQUEST, userdata, |
1da177e4 LT |
472 | &info); |
473 | return ret; | |
474 | } | |
475 | ||
476 | EXPORT_SYMBOL(ircomm_disconnect_request); | |
477 | ||
478 | /* | |
479 | * Function disconnect_indication (self, skb) | |
480 | * | |
481 | * Tell user that the link has been disconnected | |
482 | * | |
483 | */ | |
484 | void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
485 | struct ircomm_info *info) | |
486 | { | |
487 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 488 | |
1da177e4 LT |
489 | IRDA_ASSERT(info != NULL, return;); |
490 | ||
491 | if (self->notify.disconnect_indication) { | |
492 | self->notify.disconnect_indication(self->notify.instance, self, | |
493 | info->reason, skb); | |
494 | } else { | |
495 | IRDA_DEBUG(0, "%s(), missing handler\n", __FUNCTION__ ); | |
496 | } | |
497 | } | |
498 | ||
499 | /* | |
500 | * Function ircomm_flow_request (self, flow) | |
501 | * | |
6819bc2e | 502 | * |
1da177e4 LT |
503 | * |
504 | */ | |
505 | void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow) | |
506 | { | |
507 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
508 | ||
509 | IRDA_ASSERT(self != NULL, return;); | |
510 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;); | |
511 | ||
512 | if (self->service_type == IRCOMM_3_WIRE_RAW) | |
513 | return; | |
514 | ||
515 | irttp_flow_request(self->tsap, flow); | |
516 | } | |
517 | ||
518 | EXPORT_SYMBOL(ircomm_flow_request); | |
519 | ||
520 | #ifdef CONFIG_PROC_FS | |
521 | static void *ircomm_seq_start(struct seq_file *seq, loff_t *pos) | |
522 | { | |
523 | struct ircomm_cb *self; | |
524 | loff_t off = 0; | |
525 | ||
526 | spin_lock_irq(&ircomm->hb_spinlock); | |
527 | ||
528 | for (self = (struct ircomm_cb *) hashbin_get_first(ircomm); | |
529 | self != NULL; | |
530 | self = (struct ircomm_cb *) hashbin_get_next(ircomm)) { | |
531 | if (off++ == *pos) | |
532 | break; | |
6819bc2e | 533 | |
1da177e4 LT |
534 | } |
535 | return self; | |
536 | } | |
537 | ||
538 | static void *ircomm_seq_next(struct seq_file *seq, void *v, loff_t *pos) | |
539 | { | |
540 | ++*pos; | |
541 | ||
542 | return (void *) hashbin_get_next(ircomm); | |
543 | } | |
544 | ||
545 | static void ircomm_seq_stop(struct seq_file *seq, void *v) | |
546 | { | |
547 | spin_unlock_irq(&ircomm->hb_spinlock); | |
548 | } | |
549 | ||
550 | static int ircomm_seq_show(struct seq_file *seq, void *v) | |
6819bc2e | 551 | { |
1da177e4 LT |
552 | const struct ircomm_cb *self = v; |
553 | ||
554 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EINVAL; ); | |
555 | ||
556 | if(self->line < 0x10) | |
557 | seq_printf(seq, "ircomm%d", self->line); | |
558 | else | |
559 | seq_printf(seq, "irlpt%d", self->line - 0x10); | |
560 | ||
561 | seq_printf(seq, | |
562 | " state: %s, slsap_sel: %#02x, dlsap_sel: %#02x, mode:", | |
563 | ircomm_state[ self->state], | |
6819bc2e | 564 | self->slsap_sel, self->dlsap_sel); |
1da177e4 LT |
565 | |
566 | if(self->service_type & IRCOMM_3_WIRE_RAW) | |
567 | seq_printf(seq, " 3-wire-raw"); | |
568 | if(self->service_type & IRCOMM_3_WIRE) | |
569 | seq_printf(seq, " 3-wire"); | |
570 | if(self->service_type & IRCOMM_9_WIRE) | |
571 | seq_printf(seq, " 9-wire"); | |
572 | if(self->service_type & IRCOMM_CENTRONICS) | |
573 | seq_printf(seq, " Centronics"); | |
574 | seq_putc(seq, '\n'); | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
56b3d975 | 579 | static const struct seq_operations ircomm_seq_ops = { |
1da177e4 LT |
580 | .start = ircomm_seq_start, |
581 | .next = ircomm_seq_next, | |
582 | .stop = ircomm_seq_stop, | |
583 | .show = ircomm_seq_show, | |
584 | }; | |
585 | ||
586 | static int ircomm_seq_open(struct inode *inode, struct file *file) | |
587 | { | |
588 | return seq_open(file, &ircomm_seq_ops); | |
589 | } | |
590 | #endif /* CONFIG_PROC_FS */ | |
591 | ||
592 | MODULE_AUTHOR("Dag Brattli <dag@brattli.net>"); | |
593 | MODULE_DESCRIPTION("IrCOMM protocol"); | |
594 | MODULE_LICENSE("GPL"); | |
595 | ||
596 | module_init(ircomm_init); | |
597 | module_exit(ircomm_cleanup); |