Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /********************************************************************* |
6819bc2e | 2 | * |
1da177e4 LT |
3 | * Filename: irlan_client_event.c |
4 | * Version: 0.9 | |
5 | * Description: IrLAN client state machine | |
6 | * Status: Experimental. | |
7 | * Author: Dag Brattli <dagb@cs.uit.no> | |
8 | * Created at: Sun Aug 31 20:14:37 1997 | |
9 | * Modified at: Sun Dec 26 21:52:24 1999 | |
10 | * Modified by: Dag Brattli <dagb@cs.uit.no> | |
6819bc2e YH |
11 | * |
12 | * Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>, | |
1da177e4 | 13 | * All Rights Reserved. |
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 LT |
18 | * the License, or (at your option) any later version. |
19 | * | |
db955170 | 20 | * Neither Dag Brattli nor University of Tromsø admit liability nor |
6819bc2e | 21 | * provide warranty for any of this software. This material is |
1da177e4 LT |
22 | * provided "AS-IS" and at no charge. |
23 | * | |
24 | ********************************************************************/ | |
25 | ||
26 | #include <linux/skbuff.h> | |
27 | ||
28 | #include <net/irda/irda.h> | |
29 | #include <net/irda/timer.h> | |
30 | #include <net/irda/irmod.h> | |
31 | #include <net/irda/iriap.h> | |
32 | #include <net/irda/irlmp.h> | |
33 | #include <net/irda/irttp.h> | |
34 | ||
35 | #include <net/irda/irlan_common.h> | |
36 | #include <net/irda/irlan_client.h> | |
37 | #include <net/irda/irlan_event.h> | |
38 | ||
6819bc2e | 39 | static int irlan_client_state_idle (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 40 | struct sk_buff *skb); |
6819bc2e | 41 | static int irlan_client_state_query(struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 42 | struct sk_buff *skb); |
6819bc2e | 43 | static int irlan_client_state_conn (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 44 | struct sk_buff *skb); |
6819bc2e | 45 | static int irlan_client_state_info (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 46 | struct sk_buff *skb); |
6819bc2e | 47 | static int irlan_client_state_media(struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 48 | struct sk_buff *skb); |
6819bc2e | 49 | static int irlan_client_state_open (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 50 | struct sk_buff *skb); |
6819bc2e | 51 | static int irlan_client_state_wait (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 52 | struct sk_buff *skb); |
6819bc2e | 53 | static int irlan_client_state_arb (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 54 | struct sk_buff *skb); |
6819bc2e | 55 | static int irlan_client_state_data (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 56 | struct sk_buff *skb); |
6819bc2e | 57 | static int irlan_client_state_close(struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 | 58 | struct sk_buff *skb); |
6819bc2e | 59 | static int irlan_client_state_sync (struct irlan_cb *self, IRLAN_EVENT event, |
1da177e4 LT |
60 | struct sk_buff *skb); |
61 | ||
62 | static int (*state[])(struct irlan_cb *, IRLAN_EVENT event, struct sk_buff *) = | |
6819bc2e | 63 | { |
1da177e4 LT |
64 | irlan_client_state_idle, |
65 | irlan_client_state_query, | |
66 | irlan_client_state_conn, | |
67 | irlan_client_state_info, | |
68 | irlan_client_state_media, | |
69 | irlan_client_state_open, | |
70 | irlan_client_state_wait, | |
71 | irlan_client_state_arb, | |
72 | irlan_client_state_data, | |
73 | irlan_client_state_close, | |
74 | irlan_client_state_sync | |
75 | }; | |
76 | ||
6819bc2e YH |
77 | void irlan_do_client_event(struct irlan_cb *self, IRLAN_EVENT event, |
78 | struct sk_buff *skb) | |
1da177e4 LT |
79 | { |
80 | IRDA_ASSERT(self != NULL, return;); | |
81 | IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); | |
82 | ||
83 | (*state[ self->client.state]) (self, event, skb); | |
84 | } | |
85 | ||
86 | /* | |
87 | * Function irlan_client_state_idle (event, skb, info) | |
88 | * | |
89 | * IDLE, We are waiting for an indication that there is a provider | |
90 | * available. | |
91 | */ | |
6819bc2e YH |
92 | static int irlan_client_state_idle(struct irlan_cb *self, IRLAN_EVENT event, |
93 | struct sk_buff *skb) | |
1da177e4 LT |
94 | { |
95 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
96 | ||
97 | IRDA_ASSERT(self != NULL, return -1;); | |
98 | IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;); | |
6819bc2e | 99 | |
1da177e4 LT |
100 | switch (event) { |
101 | case IRLAN_DISCOVERY_INDICATION: | |
102 | if (self->client.iriap) { | |
103 | IRDA_WARNING("%s(), busy with a previous query\n", | |
104 | __FUNCTION__); | |
105 | return -EBUSY; | |
106 | } | |
6819bc2e | 107 | |
1da177e4 LT |
108 | self->client.iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self, |
109 | irlan_client_get_value_confirm); | |
110 | /* Get some values from peer IAS */ | |
111 | irlan_next_client_state(self, IRLAN_QUERY); | |
112 | iriap_getvaluebyclass_request(self->client.iriap, | |
113 | self->saddr, self->daddr, | |
114 | "IrLAN", "IrDA:TinyTP:LsapSel"); | |
115 | break; | |
116 | case IRLAN_WATCHDOG_TIMEOUT: | |
117 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
118 | break; | |
119 | default: | |
120 | IRDA_DEBUG(4, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
121 | break; | |
122 | } | |
6819bc2e | 123 | if (skb) |
1da177e4 LT |
124 | dev_kfree_skb(skb); |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
129 | /* | |
130 | * Function irlan_client_state_query (event, skb, info) | |
131 | * | |
132 | * QUERY, We have queryed the remote IAS and is ready to connect | |
133 | * to provider, just waiting for the confirm. | |
134 | * | |
135 | */ | |
6819bc2e YH |
136 | static int irlan_client_state_query(struct irlan_cb *self, IRLAN_EVENT event, |
137 | struct sk_buff *skb) | |
1da177e4 LT |
138 | { |
139 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
140 | ||
141 | IRDA_ASSERT(self != NULL, return -1;); | |
142 | IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;); | |
6819bc2e | 143 | |
1da177e4 LT |
144 | switch(event) { |
145 | case IRLAN_IAS_PROVIDER_AVAIL: | |
146 | IRDA_ASSERT(self->dtsap_sel_ctrl != 0, return -1;); | |
147 | ||
148 | self->client.open_retries = 0; | |
6819bc2e YH |
149 | |
150 | irttp_connect_request(self->client.tsap_ctrl, | |
151 | self->dtsap_sel_ctrl, | |
152 | self->saddr, self->daddr, NULL, | |
1da177e4 LT |
153 | IRLAN_MTU, NULL); |
154 | irlan_next_client_state(self, IRLAN_CONN); | |
155 | break; | |
156 | case IRLAN_IAS_PROVIDER_NOT_AVAIL: | |
157 | IRDA_DEBUG(2, "%s(), IAS_PROVIDER_NOT_AVAIL\n", __FUNCTION__ ); | |
158 | irlan_next_client_state(self, IRLAN_IDLE); | |
159 | ||
160 | /* Give the client a kick! */ | |
6819bc2e | 161 | if ((self->provider.access_type == ACCESS_PEER) && |
1da177e4 LT |
162 | (self->provider.state != IRLAN_IDLE)) |
163 | irlan_client_wakeup(self, self->saddr, self->daddr); | |
164 | break; | |
165 | case IRLAN_LMP_DISCONNECT: | |
166 | case IRLAN_LAP_DISCONNECT: | |
167 | irlan_next_client_state(self, IRLAN_IDLE); | |
168 | break; | |
169 | case IRLAN_WATCHDOG_TIMEOUT: | |
170 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
171 | break; | |
172 | default: | |
173 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
174 | break; | |
175 | } | |
176 | if (skb) | |
177 | dev_kfree_skb(skb); | |
6819bc2e | 178 | |
1da177e4 LT |
179 | return 0; |
180 | } | |
181 | ||
182 | /* | |
183 | * Function irlan_client_state_conn (event, skb, info) | |
184 | * | |
185 | * CONN, We have connected to a provider but has not issued any | |
186 | * commands yet. | |
187 | * | |
188 | */ | |
6819bc2e YH |
189 | static int irlan_client_state_conn(struct irlan_cb *self, IRLAN_EVENT event, |
190 | struct sk_buff *skb) | |
1da177e4 LT |
191 | { |
192 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 193 | |
1da177e4 | 194 | IRDA_ASSERT(self != NULL, return -1;); |
6819bc2e | 195 | |
1da177e4 LT |
196 | switch (event) { |
197 | case IRLAN_CONNECT_COMPLETE: | |
198 | /* Send getinfo cmd */ | |
199 | irlan_get_provider_info(self); | |
200 | irlan_next_client_state(self, IRLAN_INFO); | |
201 | break; | |
202 | case IRLAN_LMP_DISCONNECT: | |
203 | case IRLAN_LAP_DISCONNECT: | |
204 | irlan_next_client_state(self, IRLAN_IDLE); | |
205 | break; | |
206 | case IRLAN_WATCHDOG_TIMEOUT: | |
207 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
208 | break; | |
209 | default: | |
210 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
211 | break; | |
212 | } | |
213 | if (skb) | |
214 | dev_kfree_skb(skb); | |
6819bc2e | 215 | |
1da177e4 LT |
216 | return 0; |
217 | } | |
218 | ||
219 | /* | |
220 | * Function irlan_client_state_info (self, event, skb, info) | |
221 | * | |
222 | * INFO, We have issued a GetInfo command and is awaiting a reply. | |
223 | */ | |
6819bc2e YH |
224 | static int irlan_client_state_info(struct irlan_cb *self, IRLAN_EVENT event, |
225 | struct sk_buff *skb) | |
1da177e4 LT |
226 | { |
227 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
228 | ||
229 | IRDA_ASSERT(self != NULL, return -1;); | |
6819bc2e | 230 | |
1da177e4 LT |
231 | switch (event) { |
232 | case IRLAN_DATA_INDICATION: | |
233 | IRDA_ASSERT(skb != NULL, return -1;); | |
6819bc2e | 234 | |
1da177e4 | 235 | irlan_client_parse_response(self, skb); |
6819bc2e | 236 | |
1da177e4 | 237 | irlan_next_client_state(self, IRLAN_MEDIA); |
6819bc2e | 238 | |
1da177e4 LT |
239 | irlan_get_media_char(self); |
240 | break; | |
6819bc2e | 241 | |
1da177e4 LT |
242 | case IRLAN_LMP_DISCONNECT: |
243 | case IRLAN_LAP_DISCONNECT: | |
244 | irlan_next_client_state(self, IRLAN_IDLE); | |
245 | break; | |
246 | case IRLAN_WATCHDOG_TIMEOUT: | |
247 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
248 | break; | |
249 | default: | |
250 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
251 | break; | |
252 | } | |
253 | if (skb) | |
254 | dev_kfree_skb(skb); | |
6819bc2e | 255 | |
1da177e4 LT |
256 | return 0; |
257 | } | |
258 | ||
259 | /* | |
260 | * Function irlan_client_state_media (self, event, skb, info) | |
261 | * | |
262 | * MEDIA, The irlan_client has issued a GetMedia command and is awaiting a | |
263 | * reply. | |
264 | * | |
265 | */ | |
6819bc2e YH |
266 | static int irlan_client_state_media(struct irlan_cb *self, IRLAN_EVENT event, |
267 | struct sk_buff *skb) | |
1da177e4 LT |
268 | { |
269 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 270 | |
1da177e4 LT |
271 | IRDA_ASSERT(self != NULL, return -1;); |
272 | ||
273 | switch(event) { | |
274 | case IRLAN_DATA_INDICATION: | |
275 | irlan_client_parse_response(self, skb); | |
276 | irlan_open_data_channel(self); | |
277 | irlan_next_client_state(self, IRLAN_OPEN); | |
278 | break; | |
279 | case IRLAN_LMP_DISCONNECT: | |
280 | case IRLAN_LAP_DISCONNECT: | |
281 | irlan_next_client_state(self, IRLAN_IDLE); | |
282 | break; | |
283 | case IRLAN_WATCHDOG_TIMEOUT: | |
284 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
285 | break; | |
286 | default: | |
287 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
288 | break; | |
289 | } | |
290 | if (skb) | |
291 | dev_kfree_skb(skb); | |
6819bc2e | 292 | |
1da177e4 LT |
293 | return 0; |
294 | } | |
295 | ||
296 | /* | |
297 | * Function irlan_client_state_open (self, event, skb, info) | |
298 | * | |
299 | * OPEN, The irlan_client has issued a OpenData command and is awaiting a | |
300 | * reply | |
301 | * | |
302 | */ | |
6819bc2e YH |
303 | static int irlan_client_state_open(struct irlan_cb *self, IRLAN_EVENT event, |
304 | struct sk_buff *skb) | |
1da177e4 LT |
305 | { |
306 | struct qos_info qos; | |
307 | ||
308 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 309 | |
1da177e4 LT |
310 | IRDA_ASSERT(self != NULL, return -1;); |
311 | ||
312 | switch(event) { | |
313 | case IRLAN_DATA_INDICATION: | |
314 | irlan_client_parse_response(self, skb); | |
6819bc2e | 315 | |
1da177e4 | 316 | /* |
6819bc2e | 317 | * Check if we have got the remote TSAP for data |
1da177e4 LT |
318 | * communications |
319 | */ | |
6819bc2e | 320 | IRDA_ASSERT(self->dtsap_sel_data != 0, return -1;); |
1da177e4 LT |
321 | |
322 | /* Check which access type we are dealing with */ | |
323 | switch (self->client.access_type) { | |
324 | case ACCESS_PEER: | |
325 | if (self->provider.state == IRLAN_OPEN) { | |
6819bc2e | 326 | |
1da177e4 | 327 | irlan_next_client_state(self, IRLAN_ARB); |
6819bc2e | 328 | irlan_do_client_event(self, IRLAN_CHECK_CON_ARB, |
1da177e4 LT |
329 | NULL); |
330 | } else { | |
6819bc2e | 331 | |
1da177e4 LT |
332 | irlan_next_client_state(self, IRLAN_WAIT); |
333 | } | |
334 | break; | |
335 | case ACCESS_DIRECT: | |
336 | case ACCESS_HOSTED: | |
337 | qos.link_disc_time.bits = 0x01; /* 3 secs */ | |
6819bc2e YH |
338 | |
339 | irttp_connect_request(self->tsap_data, | |
340 | self->dtsap_sel_data, | |
341 | self->saddr, self->daddr, &qos, | |
1da177e4 | 342 | IRLAN_MTU, NULL); |
6819bc2e | 343 | |
1da177e4 LT |
344 | irlan_next_client_state(self, IRLAN_DATA); |
345 | break; | |
346 | default: | |
347 | IRDA_DEBUG(2, "%s(), unknown access type!\n", __FUNCTION__ ); | |
348 | break; | |
349 | } | |
350 | break; | |
351 | case IRLAN_LMP_DISCONNECT: | |
352 | case IRLAN_LAP_DISCONNECT: | |
353 | irlan_next_client_state(self, IRLAN_IDLE); | |
354 | break; | |
355 | case IRLAN_WATCHDOG_TIMEOUT: | |
356 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
357 | break; | |
358 | default: | |
359 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
360 | break; | |
361 | } | |
6819bc2e | 362 | |
1da177e4 LT |
363 | if (skb) |
364 | dev_kfree_skb(skb); | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | /* | |
370 | * Function irlan_client_state_wait (self, event, skb, info) | |
371 | * | |
372 | * WAIT, The irlan_client is waiting for the local provider to enter the | |
373 | * provider OPEN state. | |
374 | * | |
375 | */ | |
6819bc2e YH |
376 | static int irlan_client_state_wait(struct irlan_cb *self, IRLAN_EVENT event, |
377 | struct sk_buff *skb) | |
1da177e4 LT |
378 | { |
379 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 380 | |
1da177e4 | 381 | IRDA_ASSERT(self != NULL, return -1;); |
6819bc2e | 382 | |
1da177e4 LT |
383 | switch(event) { |
384 | case IRLAN_PROVIDER_SIGNAL: | |
385 | irlan_next_client_state(self, IRLAN_ARB); | |
386 | irlan_do_client_event(self, IRLAN_CHECK_CON_ARB, NULL); | |
387 | break; | |
388 | case IRLAN_LMP_DISCONNECT: | |
389 | case IRLAN_LAP_DISCONNECT: | |
390 | irlan_next_client_state(self, IRLAN_IDLE); | |
391 | break; | |
392 | case IRLAN_WATCHDOG_TIMEOUT: | |
393 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
394 | break; | |
395 | default: | |
396 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
397 | break; | |
398 | } | |
399 | if (skb) | |
400 | dev_kfree_skb(skb); | |
6819bc2e | 401 | |
1da177e4 LT |
402 | return 0; |
403 | } | |
404 | ||
6819bc2e YH |
405 | static int irlan_client_state_arb(struct irlan_cb *self, IRLAN_EVENT event, |
406 | struct sk_buff *skb) | |
1da177e4 LT |
407 | { |
408 | struct qos_info qos; | |
409 | ||
410 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
411 | ||
412 | IRDA_ASSERT(self != NULL, return -1;); | |
6819bc2e | 413 | |
1da177e4 LT |
414 | switch(event) { |
415 | case IRLAN_CHECK_CON_ARB: | |
416 | if (self->client.recv_arb_val == self->provider.send_arb_val) { | |
417 | irlan_next_client_state(self, IRLAN_CLOSE); | |
418 | irlan_close_data_channel(self); | |
6819bc2e YH |
419 | } else if (self->client.recv_arb_val < |
420 | self->provider.send_arb_val) | |
1da177e4 LT |
421 | { |
422 | qos.link_disc_time.bits = 0x01; /* 3 secs */ | |
423 | ||
424 | irlan_next_client_state(self, IRLAN_DATA); | |
6819bc2e YH |
425 | irttp_connect_request(self->tsap_data, |
426 | self->dtsap_sel_data, | |
427 | self->saddr, self->daddr, &qos, | |
1da177e4 LT |
428 | IRLAN_MTU, NULL); |
429 | } else if (self->client.recv_arb_val > | |
6819bc2e | 430 | self->provider.send_arb_val) |
1da177e4 LT |
431 | { |
432 | IRDA_DEBUG(2, "%s(), lost the battle :-(\n", __FUNCTION__ ); | |
433 | } | |
434 | break; | |
435 | case IRLAN_DATA_CONNECT_INDICATION: | |
436 | irlan_next_client_state(self, IRLAN_DATA); | |
437 | break; | |
438 | case IRLAN_LMP_DISCONNECT: | |
439 | case IRLAN_LAP_DISCONNECT: | |
440 | irlan_next_client_state(self, IRLAN_IDLE); | |
441 | break; | |
442 | case IRLAN_WATCHDOG_TIMEOUT: | |
443 | IRDA_DEBUG(2, "%s(), IRLAN_WATCHDOG_TIMEOUT\n", __FUNCTION__ ); | |
444 | break; | |
445 | default: | |
446 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
447 | break; | |
448 | } | |
449 | if (skb) | |
450 | dev_kfree_skb(skb); | |
6819bc2e | 451 | |
1da177e4 LT |
452 | return 0; |
453 | } | |
454 | ||
455 | /* | |
456 | * Function irlan_client_state_data (self, event, skb, info) | |
457 | * | |
458 | * DATA, The data channel is connected, allowing data transfers between | |
459 | * the local and remote machines. | |
460 | * | |
461 | */ | |
6819bc2e YH |
462 | static int irlan_client_state_data(struct irlan_cb *self, IRLAN_EVENT event, |
463 | struct sk_buff *skb) | |
1da177e4 LT |
464 | { |
465 | IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); | |
466 | ||
467 | IRDA_ASSERT(self != NULL, return -1;); | |
468 | IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;); | |
469 | ||
470 | switch(event) { | |
471 | case IRLAN_DATA_INDICATION: | |
472 | irlan_client_parse_response(self, skb); | |
6819bc2e | 473 | break; |
1da177e4 LT |
474 | case IRLAN_LMP_DISCONNECT: /* FALLTHROUGH */ |
475 | case IRLAN_LAP_DISCONNECT: | |
476 | irlan_next_client_state(self, IRLAN_IDLE); | |
477 | break; | |
478 | default: | |
479 | IRDA_DEBUG(2, "%s(), Unknown event %d\n", __FUNCTION__ , event); | |
480 | break; | |
481 | } | |
482 | if (skb) | |
483 | dev_kfree_skb(skb); | |
6819bc2e | 484 | |
1da177e4 LT |
485 | return 0; |
486 | } | |
487 | ||
488 | /* | |
489 | * Function irlan_client_state_close (self, event, skb, info) | |
490 | * | |
6819bc2e | 491 | * |
1da177e4 LT |
492 | * |
493 | */ | |
6819bc2e YH |
494 | static int irlan_client_state_close(struct irlan_cb *self, IRLAN_EVENT event, |
495 | struct sk_buff *skb) | |
1da177e4 LT |
496 | { |
497 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
498 | ||
499 | if (skb) | |
500 | dev_kfree_skb(skb); | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | /* | |
506 | * Function irlan_client_state_sync (self, event, skb, info) | |
507 | * | |
6819bc2e | 508 | * |
1da177e4 LT |
509 | * |
510 | */ | |
6819bc2e YH |
511 | static int irlan_client_state_sync(struct irlan_cb *self, IRLAN_EVENT event, |
512 | struct sk_buff *skb) | |
1da177e4 LT |
513 | { |
514 | IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); | |
6819bc2e | 515 | |
1da177e4 LT |
516 | if (skb) |
517 | dev_kfree_skb(skb); | |
6819bc2e | 518 | |
1da177e4 LT |
519 | return 0; |
520 | } | |
521 | ||
522 | ||
523 | ||
524 | ||
525 | ||
526 | ||
527 | ||
528 | ||
529 | ||
530 | ||
531 | ||
532 | ||
533 |