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> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
1da177e4 LT |
37 | |
38 | #include <net/irda/irda.h> | |
39 | #include <net/irda/irmod.h> | |
40 | #include <net/irda/irlmp.h> | |
41 | #include <net/irda/iriap.h> | |
42 | #include <net/irda/irttp.h> | |
43 | #include <net/irda/irias_object.h> | |
44 | ||
45 | #include <net/irda/ircomm_event.h> | |
46 | #include <net/irda/ircomm_lmp.h> | |
47 | #include <net/irda/ircomm_ttp.h> | |
48 | #include <net/irda/ircomm_param.h> | |
49 | #include <net/irda/ircomm_core.h> | |
50 | ||
51 | static int __ircomm_close(struct ircomm_cb *self); | |
6819bc2e | 52 | static void ircomm_control_indication(struct ircomm_cb *self, |
1da177e4 LT |
53 | struct sk_buff *skb, int clen); |
54 | ||
55 | #ifdef CONFIG_PROC_FS | |
56 | extern struct proc_dir_entry *proc_irda; | |
57 | static int ircomm_seq_open(struct inode *, struct file *); | |
58 | ||
da7071d7 | 59 | static const struct file_operations ircomm_proc_fops = { |
1da177e4 LT |
60 | .owner = THIS_MODULE, |
61 | .open = ircomm_seq_open, | |
62 | .read = seq_read, | |
63 | .llseek = seq_lseek, | |
64 | .release = seq_release, | |
65 | }; | |
66 | #endif /* CONFIG_PROC_FS */ | |
67 | ||
68 | hashbin_t *ircomm = NULL; | |
69 | ||
70 | static int __init ircomm_init(void) | |
71 | { | |
6819bc2e | 72 | ircomm = hashbin_new(HB_LOCK); |
1da177e4 | 73 | if (ircomm == NULL) { |
0dc47877 | 74 | IRDA_ERROR("%s(), can't allocate hashbin!\n", __func__); |
1da177e4 LT |
75 | return -ENOMEM; |
76 | } | |
6819bc2e | 77 | |
1da177e4 LT |
78 | #ifdef CONFIG_PROC_FS |
79 | { struct proc_dir_entry *ent; | |
5e47879f WC |
80 | ent = proc_create("ircomm", 0, proc_irda, &ircomm_proc_fops); |
81 | if (!ent) { | |
82 | printk(KERN_ERR "ircomm_init: can't create /proc entry!\n"); | |
83 | return -ENODEV; | |
84 | } | |
1da177e4 LT |
85 | } |
86 | #endif /* CONFIG_PROC_FS */ | |
6819bc2e | 87 | |
1da177e4 | 88 | IRDA_MESSAGE("IrCOMM protocol (Dag Brattli)\n"); |
6819bc2e | 89 | |
1da177e4 LT |
90 | return 0; |
91 | } | |
92 | ||
93 | static void __exit ircomm_cleanup(void) | |
94 | { | |
0dc47877 | 95 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
96 | |
97 | hashbin_delete(ircomm, (FREE_FUNC) __ircomm_close); | |
98 | ||
99 | #ifdef CONFIG_PROC_FS | |
100 | remove_proc_entry("ircomm", proc_irda); | |
101 | #endif /* CONFIG_PROC_FS */ | |
102 | } | |
103 | ||
104 | /* | |
105 | * Function ircomm_open (client_notify) | |
106 | * | |
107 | * Start a new IrCOMM instance | |
108 | * | |
109 | */ | |
110 | struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line) | |
111 | { | |
112 | struct ircomm_cb *self = NULL; | |
113 | int ret; | |
114 | ||
0dc47877 | 115 | IRDA_DEBUG(2, "%s(), service_type=0x%02x\n", __func__ , |
1da177e4 LT |
116 | service_type); |
117 | ||
118 | IRDA_ASSERT(ircomm != NULL, return NULL;); | |
119 | ||
c17277f7 | 120 | self = kzalloc(sizeof(struct ircomm_cb), GFP_KERNEL); |
1da177e4 LT |
121 | if (self == NULL) |
122 | return NULL; | |
123 | ||
1da177e4 LT |
124 | self->notify = *notify; |
125 | self->magic = IRCOMM_MAGIC; | |
126 | ||
127 | /* Check if we should use IrLMP or IrTTP */ | |
128 | if (service_type & IRCOMM_3_WIRE_RAW) { | |
129 | self->flow_status = FLOW_START; | |
130 | ret = ircomm_open_lsap(self); | |
131 | } else | |
132 | ret = ircomm_open_tsap(self); | |
133 | ||
134 | if (ret < 0) { | |
135 | kfree(self); | |
136 | return NULL; | |
137 | } | |
138 | ||
139 | self->service_type = service_type; | |
140 | self->line = line; | |
141 | ||
142 | hashbin_insert(ircomm, (irda_queue_t *) self, line, NULL); | |
143 | ||
6819bc2e | 144 | ircomm_next_state(self, IRCOMM_IDLE); |
1da177e4 LT |
145 | |
146 | return self; | |
147 | } | |
148 | ||
149 | EXPORT_SYMBOL(ircomm_open); | |
150 | ||
151 | /* | |
152 | * Function ircomm_close_instance (self) | |
153 | * | |
154 | * Remove IrCOMM instance | |
155 | * | |
156 | */ | |
157 | static int __ircomm_close(struct ircomm_cb *self) | |
158 | { | |
0dc47877 | 159 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
160 | |
161 | /* Disconnect link if any */ | |
162 | ircomm_do_event(self, IRCOMM_DISCONNECT_REQUEST, NULL, NULL); | |
163 | ||
164 | /* Remove TSAP */ | |
165 | if (self->tsap) { | |
166 | irttp_close_tsap(self->tsap); | |
167 | self->tsap = NULL; | |
168 | } | |
169 | ||
170 | /* Remove LSAP */ | |
171 | if (self->lsap) { | |
172 | irlmp_close_lsap(self->lsap); | |
173 | self->lsap = NULL; | |
174 | } | |
175 | self->magic = 0; | |
176 | ||
177 | kfree(self); | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | /* | |
183 | * Function ircomm_close (self) | |
184 | * | |
185 | * Closes and removes the specified IrCOMM instance | |
186 | * | |
187 | */ | |
188 | int ircomm_close(struct ircomm_cb *self) | |
189 | { | |
190 | struct ircomm_cb *entry; | |
191 | ||
192 | IRDA_ASSERT(self != NULL, return -EIO;); | |
193 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EIO;); | |
194 | ||
0dc47877 | 195 | IRDA_DEBUG(0, "%s()\n", __func__ ); |
1da177e4 LT |
196 | |
197 | entry = hashbin_remove(ircomm, self->line, NULL); | |
198 | ||
199 | IRDA_ASSERT(entry == self, return -1;); | |
6819bc2e YH |
200 | |
201 | return __ircomm_close(self); | |
1da177e4 LT |
202 | } |
203 | ||
204 | EXPORT_SYMBOL(ircomm_close); | |
205 | ||
206 | /* | |
207 | * Function ircomm_connect_request (self, service_type) | |
208 | * | |
209 | * Impl. of this function is differ from one of the reference. This | |
210 | * function does discovery as well as sending connect request | |
6819bc2e | 211 | * |
1da177e4 | 212 | */ |
6819bc2e | 213 | int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel, |
1da177e4 LT |
214 | __u32 saddr, __u32 daddr, struct sk_buff *skb, |
215 | __u8 service_type) | |
216 | { | |
217 | struct ircomm_info info; | |
218 | int ret; | |
219 | ||
0dc47877 | 220 | IRDA_DEBUG(2 , "%s()\n", __func__ ); |
1da177e4 LT |
221 | |
222 | IRDA_ASSERT(self != NULL, return -1;); | |
223 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
224 | ||
225 | self->service_type= service_type; | |
226 | ||
227 | info.dlsap_sel = dlsap_sel; | |
228 | info.saddr = saddr; | |
229 | info.daddr = daddr; | |
230 | ||
231 | ret = ircomm_do_event(self, IRCOMM_CONNECT_REQUEST, skb, &info); | |
232 | ||
233 | return ret; | |
234 | } | |
235 | ||
236 | EXPORT_SYMBOL(ircomm_connect_request); | |
237 | ||
238 | /* | |
239 | * Function ircomm_connect_indication (self, qos, skb) | |
240 | * | |
241 | * Notify user layer about the incoming connection | |
242 | * | |
243 | */ | |
244 | void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
245 | struct ircomm_info *info) | |
246 | { | |
0dc47877 | 247 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 | 248 | |
6819bc2e YH |
249 | /* |
250 | * If there are any data hiding in the control channel, we must | |
251 | * deliver it first. The side effect is that the control channel | |
1da177e4 LT |
252 | * will be removed from the skb |
253 | */ | |
254 | if (self->notify.connect_indication) | |
6819bc2e | 255 | self->notify.connect_indication(self->notify.instance, self, |
1da177e4 LT |
256 | info->qos, info->max_data_size, |
257 | info->max_header_size, skb); | |
258 | else { | |
0dc47877 | 259 | IRDA_DEBUG(0, "%s(), missing handler\n", __func__ ); |
1da177e4 LT |
260 | } |
261 | } | |
262 | ||
263 | /* | |
264 | * Function ircomm_connect_response (self, userdata, max_sdu_size) | |
265 | * | |
266 | * User accepts connection | |
267 | * | |
268 | */ | |
269 | int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata) | |
270 | { | |
271 | int ret; | |
272 | ||
273 | IRDA_ASSERT(self != NULL, return -1;); | |
274 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
275 | ||
0dc47877 | 276 | IRDA_DEBUG(4, "%s()\n", __func__ ); |
1da177e4 LT |
277 | |
278 | ret = ircomm_do_event(self, IRCOMM_CONNECT_RESPONSE, userdata, NULL); | |
279 | ||
280 | return ret; | |
6819bc2e | 281 | } |
1da177e4 LT |
282 | |
283 | EXPORT_SYMBOL(ircomm_connect_response); | |
284 | ||
285 | /* | |
286 | * Function connect_confirm (self, skb) | |
287 | * | |
288 | * Notify user layer that the link is now connected | |
289 | * | |
290 | */ | |
291 | void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb, | |
292 | struct ircomm_info *info) | |
293 | { | |
0dc47877 | 294 | IRDA_DEBUG(4, "%s()\n", __func__ ); |
1da177e4 LT |
295 | |
296 | if (self->notify.connect_confirm ) | |
297 | self->notify.connect_confirm(self->notify.instance, | |
6819bc2e | 298 | self, info->qos, |
1da177e4 LT |
299 | info->max_data_size, |
300 | info->max_header_size, skb); | |
301 | else { | |
0dc47877 | 302 | IRDA_DEBUG(0, "%s(), missing handler\n", __func__ ); |
1da177e4 LT |
303 | } |
304 | } | |
305 | ||
306 | /* | |
307 | * Function ircomm_data_request (self, userdata) | |
308 | * | |
309 | * Send IrCOMM data to peer device | |
310 | * | |
311 | */ | |
312 | int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb) | |
313 | { | |
314 | int ret; | |
315 | ||
0dc47877 | 316 | IRDA_DEBUG(4, "%s()\n", __func__ ); |
1da177e4 LT |
317 | |
318 | IRDA_ASSERT(self != NULL, return -EFAULT;); | |
319 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EFAULT;); | |
320 | IRDA_ASSERT(skb != NULL, return -EFAULT;); | |
6819bc2e | 321 | |
1da177e4 LT |
322 | ret = ircomm_do_event(self, IRCOMM_DATA_REQUEST, skb, NULL); |
323 | ||
324 | return ret; | |
325 | } | |
326 | ||
327 | EXPORT_SYMBOL(ircomm_data_request); | |
328 | ||
329 | /* | |
330 | * Function ircomm_data_indication (self, skb) | |
331 | * | |
332 | * Data arrived, so deliver it to user | |
333 | * | |
334 | */ | |
335 | void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb) | |
6819bc2e | 336 | { |
0dc47877 | 337 | IRDA_DEBUG(4, "%s()\n", __func__ ); |
1da177e4 LT |
338 | |
339 | IRDA_ASSERT(skb->len > 0, return;); | |
340 | ||
341 | if (self->notify.data_indication) | |
342 | self->notify.data_indication(self->notify.instance, self, skb); | |
343 | else { | |
0dc47877 | 344 | IRDA_DEBUG(0, "%s(), missing handler\n", __func__ ); |
1da177e4 LT |
345 | } |
346 | } | |
347 | ||
348 | /* | |
349 | * Function ircomm_process_data (self, skb) | |
350 | * | |
351 | * Data arrived which may contain control channel data | |
352 | * | |
353 | */ | |
354 | void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb) | |
355 | { | |
356 | int clen; | |
357 | ||
358 | IRDA_ASSERT(skb->len > 0, return;); | |
359 | ||
360 | clen = skb->data[0]; | |
361 | ||
5d780cd6 RB |
362 | /* |
363 | * Input validation check: a stir4200/mcp2150 combinations sometimes | |
364 | * results in frames with clen > remaining packet size. These are | |
365 | * illegal; if we throw away just this frame then it seems to carry on | |
366 | * fine | |
367 | */ | |
368 | if (unlikely(skb->len < (clen + 1))) { | |
369 | IRDA_DEBUG(2, "%s() throwing away illegal frame\n", | |
0dc47877 | 370 | __func__ ); |
5d780cd6 RB |
371 | return; |
372 | } | |
373 | ||
6819bc2e YH |
374 | /* |
375 | * If there are any data hiding in the control channel, we must | |
376 | * deliver it first. The side effect is that the control channel | |
1da177e4 LT |
377 | * will be removed from the skb |
378 | */ | |
379 | if (clen > 0) | |
380 | ircomm_control_indication(self, skb, clen); | |
381 | ||
382 | /* Remove control channel from data channel */ | |
383 | skb_pull(skb, clen+1); | |
384 | ||
385 | if (skb->len) | |
6819bc2e | 386 | ircomm_data_indication(self, skb); |
1da177e4 LT |
387 | else { |
388 | IRDA_DEBUG(4, "%s(), data was control info only!\n", | |
0dc47877 | 389 | __func__ ); |
1da177e4 LT |
390 | } |
391 | } | |
392 | ||
393 | /* | |
394 | * Function ircomm_control_request (self, params) | |
395 | * | |
396 | * Send control data to peer device | |
397 | * | |
398 | */ | |
399 | int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb) | |
400 | { | |
401 | int ret; | |
6819bc2e | 402 | |
0dc47877 | 403 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
404 | |
405 | IRDA_ASSERT(self != NULL, return -EFAULT;); | |
406 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EFAULT;); | |
407 | IRDA_ASSERT(skb != NULL, return -EFAULT;); | |
6819bc2e | 408 | |
1da177e4 LT |
409 | ret = ircomm_do_event(self, IRCOMM_CONTROL_REQUEST, skb, NULL); |
410 | ||
411 | return ret; | |
412 | } | |
413 | ||
414 | EXPORT_SYMBOL(ircomm_control_request); | |
415 | ||
416 | /* | |
417 | * Function ircomm_control_indication (self, skb) | |
418 | * | |
419 | * Data has arrived on the control channel | |
420 | * | |
421 | */ | |
6819bc2e | 422 | static void ircomm_control_indication(struct ircomm_cb *self, |
1da177e4 LT |
423 | struct sk_buff *skb, int clen) |
424 | { | |
0dc47877 | 425 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
426 | |
427 | /* Use udata for delivering data on the control channel */ | |
428 | if (self->notify.udata_indication) { | |
429 | struct sk_buff *ctrl_skb; | |
430 | ||
431 | /* We don't own the skb, so clone it */ | |
432 | ctrl_skb = skb_clone(skb, GFP_ATOMIC); | |
433 | if (!ctrl_skb) | |
434 | return; | |
435 | ||
436 | /* Remove data channel from control channel */ | |
437 | skb_trim(ctrl_skb, clen+1); | |
6819bc2e YH |
438 | |
439 | self->notify.udata_indication(self->notify.instance, self, | |
1da177e4 LT |
440 | ctrl_skb); |
441 | ||
442 | /* Drop reference count - | |
443 | * see ircomm_tty_control_indication(). */ | |
444 | dev_kfree_skb(ctrl_skb); | |
445 | } else { | |
0dc47877 | 446 | IRDA_DEBUG(0, "%s(), missing handler\n", __func__ ); |
1da177e4 LT |
447 | } |
448 | } | |
449 | ||
450 | /* | |
451 | * Function ircomm_disconnect_request (self, userdata, priority) | |
452 | * | |
453 | * User layer wants to disconnect the IrCOMM connection | |
454 | * | |
455 | */ | |
456 | int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata) | |
457 | { | |
458 | struct ircomm_info info; | |
459 | int ret; | |
460 | ||
0dc47877 | 461 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
462 | |
463 | IRDA_ASSERT(self != NULL, return -1;); | |
464 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;); | |
465 | ||
6819bc2e | 466 | ret = ircomm_do_event(self, IRCOMM_DISCONNECT_REQUEST, userdata, |
1da177e4 LT |
467 | &info); |
468 | return ret; | |
469 | } | |
470 | ||
471 | EXPORT_SYMBOL(ircomm_disconnect_request); | |
472 | ||
473 | /* | |
474 | * Function disconnect_indication (self, skb) | |
475 | * | |
476 | * Tell user that the link has been disconnected | |
477 | * | |
478 | */ | |
479 | void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
480 | struct ircomm_info *info) | |
481 | { | |
0dc47877 | 482 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
6819bc2e | 483 | |
1da177e4 LT |
484 | IRDA_ASSERT(info != NULL, return;); |
485 | ||
486 | if (self->notify.disconnect_indication) { | |
487 | self->notify.disconnect_indication(self->notify.instance, self, | |
488 | info->reason, skb); | |
489 | } else { | |
0dc47877 | 490 | IRDA_DEBUG(0, "%s(), missing handler\n", __func__ ); |
1da177e4 LT |
491 | } |
492 | } | |
493 | ||
494 | /* | |
495 | * Function ircomm_flow_request (self, flow) | |
496 | * | |
6819bc2e | 497 | * |
1da177e4 LT |
498 | * |
499 | */ | |
500 | void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow) | |
501 | { | |
0dc47877 | 502 | IRDA_DEBUG(2, "%s()\n", __func__ ); |
1da177e4 LT |
503 | |
504 | IRDA_ASSERT(self != NULL, return;); | |
505 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;); | |
506 | ||
507 | if (self->service_type == IRCOMM_3_WIRE_RAW) | |
508 | return; | |
509 | ||
510 | irttp_flow_request(self->tsap, flow); | |
511 | } | |
512 | ||
513 | EXPORT_SYMBOL(ircomm_flow_request); | |
514 | ||
515 | #ifdef CONFIG_PROC_FS | |
516 | static void *ircomm_seq_start(struct seq_file *seq, loff_t *pos) | |
517 | { | |
518 | struct ircomm_cb *self; | |
519 | loff_t off = 0; | |
520 | ||
521 | spin_lock_irq(&ircomm->hb_spinlock); | |
522 | ||
523 | for (self = (struct ircomm_cb *) hashbin_get_first(ircomm); | |
524 | self != NULL; | |
525 | self = (struct ircomm_cb *) hashbin_get_next(ircomm)) { | |
526 | if (off++ == *pos) | |
527 | break; | |
6819bc2e | 528 | |
1da177e4 LT |
529 | } |
530 | return self; | |
531 | } | |
532 | ||
533 | static void *ircomm_seq_next(struct seq_file *seq, void *v, loff_t *pos) | |
534 | { | |
535 | ++*pos; | |
536 | ||
537 | return (void *) hashbin_get_next(ircomm); | |
538 | } | |
539 | ||
540 | static void ircomm_seq_stop(struct seq_file *seq, void *v) | |
541 | { | |
542 | spin_unlock_irq(&ircomm->hb_spinlock); | |
543 | } | |
544 | ||
545 | static int ircomm_seq_show(struct seq_file *seq, void *v) | |
6819bc2e | 546 | { |
1da177e4 LT |
547 | const struct ircomm_cb *self = v; |
548 | ||
549 | IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -EINVAL; ); | |
550 | ||
551 | if(self->line < 0x10) | |
552 | seq_printf(seq, "ircomm%d", self->line); | |
553 | else | |
554 | seq_printf(seq, "irlpt%d", self->line - 0x10); | |
555 | ||
556 | seq_printf(seq, | |
557 | " state: %s, slsap_sel: %#02x, dlsap_sel: %#02x, mode:", | |
558 | ircomm_state[ self->state], | |
6819bc2e | 559 | self->slsap_sel, self->dlsap_sel); |
1da177e4 LT |
560 | |
561 | if(self->service_type & IRCOMM_3_WIRE_RAW) | |
562 | seq_printf(seq, " 3-wire-raw"); | |
563 | if(self->service_type & IRCOMM_3_WIRE) | |
564 | seq_printf(seq, " 3-wire"); | |
565 | if(self->service_type & IRCOMM_9_WIRE) | |
566 | seq_printf(seq, " 9-wire"); | |
567 | if(self->service_type & IRCOMM_CENTRONICS) | |
568 | seq_printf(seq, " Centronics"); | |
569 | seq_putc(seq, '\n'); | |
570 | ||
571 | return 0; | |
572 | } | |
573 | ||
56b3d975 | 574 | static const struct seq_operations ircomm_seq_ops = { |
1da177e4 LT |
575 | .start = ircomm_seq_start, |
576 | .next = ircomm_seq_next, | |
577 | .stop = ircomm_seq_stop, | |
578 | .show = ircomm_seq_show, | |
579 | }; | |
580 | ||
581 | static int ircomm_seq_open(struct inode *inode, struct file *file) | |
582 | { | |
583 | return seq_open(file, &ircomm_seq_ops); | |
584 | } | |
585 | #endif /* CONFIG_PROC_FS */ | |
586 | ||
587 | MODULE_AUTHOR("Dag Brattli <dag@brattli.net>"); | |
588 | MODULE_DESCRIPTION("IrCOMM protocol"); | |
589 | MODULE_LICENSE("GPL"); | |
590 | ||
591 | module_init(ircomm_init); | |
592 | module_exit(ircomm_cleanup); |