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Commit | Line | Data |
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be21871f | 1 | /* |
1da177e4 LT |
2 | BlueZ - Bluetooth protocol stack for Linux |
3 | Copyright (C) 2000-2001 Qualcomm Incorporated | |
ce5706bd | 4 | Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org> |
5d8868ff | 5 | Copyright (C) 2010 Google Inc. |
1da177e4 LT |
6 | |
7 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License version 2 as | |
11 | published by the Free Software Foundation; | |
12 | ||
13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
14 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
16 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
be21871f AE |
17 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
18 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
19 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
20 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
21 | ||
be21871f AE |
22 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
23 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
24 | SOFTWARE IS DISCLAIMED. |
25 | */ | |
26 | ||
27 | #ifndef __L2CAP_H | |
28 | #define __L2CAP_H | |
29 | ||
30 | /* L2CAP defaults */ | |
47ec1dcd | 31 | #define L2CAP_DEFAULT_MTU 672 |
f2fcfcd6 | 32 | #define L2CAP_DEFAULT_MIN_MTU 48 |
47ec1dcd | 33 | #define L2CAP_DEFAULT_FLUSH_TO 0xffff |
1c2acffb | 34 | #define L2CAP_DEFAULT_TX_WINDOW 63 |
e90bac06 | 35 | #define L2CAP_DEFAULT_MAX_TX 3 |
fa235562 | 36 | #define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */ |
e90bac06 | 37 | #define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ |
db12d647 | 38 | #define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */ |
c1b4f43b | 39 | #define L2CAP_DEFAULT_ACK_TO 200 |
1890d36b | 40 | #define L2CAP_LOCAL_BUSY_TRIES 12 |
1da177e4 | 41 | |
4e8402a3 MH |
42 | #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ |
43 | #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ | |
1da177e4 LT |
44 | |
45 | /* L2CAP socket address */ | |
46 | struct sockaddr_l2 { | |
47 | sa_family_t l2_family; | |
8e036fc3 | 48 | __le16 l2_psm; |
1da177e4 | 49 | bdaddr_t l2_bdaddr; |
f29972de | 50 | __le16 l2_cid; |
1da177e4 LT |
51 | }; |
52 | ||
53 | /* L2CAP socket options */ | |
54 | #define L2CAP_OPTIONS 0x01 | |
55 | struct l2cap_options { | |
56 | __u16 omtu; | |
57 | __u16 imtu; | |
58 | __u16 flush_to; | |
59 | __u8 mode; | |
fcc203c3 | 60 | __u8 fcs; |
68d7f0ce | 61 | __u8 max_tx; |
14b5aa71 | 62 | __u16 txwin_size; |
1da177e4 LT |
63 | }; |
64 | ||
65 | #define L2CAP_CONNINFO 0x02 | |
66 | struct l2cap_conninfo { | |
67 | __u16 hci_handle; | |
68 | __u8 dev_class[3]; | |
69 | }; | |
70 | ||
71 | #define L2CAP_LM 0x03 | |
72 | #define L2CAP_LM_MASTER 0x0001 | |
73 | #define L2CAP_LM_AUTH 0x0002 | |
74 | #define L2CAP_LM_ENCRYPT 0x0004 | |
75 | #define L2CAP_LM_TRUSTED 0x0008 | |
76 | #define L2CAP_LM_RELIABLE 0x0010 | |
77 | #define L2CAP_LM_SECURE 0x0020 | |
78 | ||
79 | /* L2CAP command codes */ | |
47ec1dcd MH |
80 | #define L2CAP_COMMAND_REJ 0x01 |
81 | #define L2CAP_CONN_REQ 0x02 | |
82 | #define L2CAP_CONN_RSP 0x03 | |
83 | #define L2CAP_CONF_REQ 0x04 | |
84 | #define L2CAP_CONF_RSP 0x05 | |
85 | #define L2CAP_DISCONN_REQ 0x06 | |
86 | #define L2CAP_DISCONN_RSP 0x07 | |
87 | #define L2CAP_ECHO_REQ 0x08 | |
88 | #define L2CAP_ECHO_RSP 0x09 | |
89 | #define L2CAP_INFO_REQ 0x0a | |
90 | #define L2CAP_INFO_RSP 0x0b | |
91 | ||
92 | /* L2CAP feature mask */ | |
93 | #define L2CAP_FEAT_FLOWCTL 0x00000001 | |
94 | #define L2CAP_FEAT_RETRANS 0x00000002 | |
95 | #define L2CAP_FEAT_ERTM 0x00000008 | |
96 | #define L2CAP_FEAT_STREAMING 0x00000010 | |
97 | #define L2CAP_FEAT_FCS 0x00000020 | |
98 | #define L2CAP_FEAT_FIXED_CHAN 0x00000080 | |
99 | ||
100 | /* L2CAP checksum option */ | |
101 | #define L2CAP_FCS_NONE 0x00 | |
102 | #define L2CAP_FCS_CRC16 0x01 | |
1da177e4 | 103 | |
1c2acffb GP |
104 | /* L2CAP Control Field bit masks */ |
105 | #define L2CAP_CTRL_SAR 0xC000 | |
106 | #define L2CAP_CTRL_REQSEQ 0x3F00 | |
107 | #define L2CAP_CTRL_TXSEQ 0x007E | |
108 | #define L2CAP_CTRL_RETRANS 0x0080 | |
109 | #define L2CAP_CTRL_FINAL 0x0080 | |
110 | #define L2CAP_CTRL_POLL 0x0010 | |
111 | #define L2CAP_CTRL_SUPERVISE 0x000C | |
112 | #define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ | |
113 | ||
114 | #define L2CAP_CTRL_TXSEQ_SHIFT 1 | |
115 | #define L2CAP_CTRL_REQSEQ_SHIFT 8 | |
8f17154f | 116 | #define L2CAP_CTRL_SAR_SHIFT 14 |
1c2acffb GP |
117 | |
118 | /* L2CAP Supervisory Function */ | |
119 | #define L2CAP_SUPER_RCV_READY 0x0000 | |
120 | #define L2CAP_SUPER_REJECT 0x0004 | |
121 | #define L2CAP_SUPER_RCV_NOT_READY 0x0008 | |
122 | #define L2CAP_SUPER_SELECT_REJECT 0x000C | |
123 | ||
124 | /* L2CAP Segmentation and Reassembly */ | |
125 | #define L2CAP_SDU_UNSEGMENTED 0x0000 | |
126 | #define L2CAP_SDU_START 0x4000 | |
127 | #define L2CAP_SDU_END 0x8000 | |
128 | #define L2CAP_SDU_CONTINUE 0xC000 | |
129 | ||
1da177e4 LT |
130 | /* L2CAP structures */ |
131 | struct l2cap_hdr { | |
8e036fc3 AV |
132 | __le16 len; |
133 | __le16 cid; | |
66c853cc | 134 | } __packed; |
1da177e4 LT |
135 | #define L2CAP_HDR_SIZE 4 |
136 | ||
137 | struct l2cap_cmd_hdr { | |
138 | __u8 code; | |
139 | __u8 ident; | |
8e036fc3 | 140 | __le16 len; |
66c853cc | 141 | } __packed; |
1da177e4 LT |
142 | #define L2CAP_CMD_HDR_SIZE 4 |
143 | ||
144 | struct l2cap_cmd_rej { | |
8e036fc3 | 145 | __le16 reason; |
66c853cc | 146 | } __packed; |
1da177e4 LT |
147 | |
148 | struct l2cap_conn_req { | |
8e036fc3 AV |
149 | __le16 psm; |
150 | __le16 scid; | |
66c853cc | 151 | } __packed; |
1da177e4 LT |
152 | |
153 | struct l2cap_conn_rsp { | |
8e036fc3 AV |
154 | __le16 dcid; |
155 | __le16 scid; | |
156 | __le16 result; | |
157 | __le16 status; | |
66c853cc | 158 | } __packed; |
1da177e4 | 159 | |
8db4dc46 GP |
160 | /* channel indentifier */ |
161 | #define L2CAP_CID_SIGNALING 0x0001 | |
162 | #define L2CAP_CID_CONN_LESS 0x0002 | |
acd7d370 VT |
163 | #define L2CAP_CID_LE_DATA 0x0004 |
164 | #define L2CAP_CID_LE_SIGNALING 0x0005 | |
165 | #define L2CAP_CID_SMP 0x0006 | |
8db4dc46 GP |
166 | #define L2CAP_CID_DYN_START 0x0040 |
167 | #define L2CAP_CID_DYN_END 0xffff | |
168 | ||
1da177e4 | 169 | /* connect result */ |
47ec1dcd MH |
170 | #define L2CAP_CR_SUCCESS 0x0000 |
171 | #define L2CAP_CR_PEND 0x0001 | |
172 | #define L2CAP_CR_BAD_PSM 0x0002 | |
173 | #define L2CAP_CR_SEC_BLOCK 0x0003 | |
174 | #define L2CAP_CR_NO_MEM 0x0004 | |
1da177e4 LT |
175 | |
176 | /* connect status */ | |
47ec1dcd MH |
177 | #define L2CAP_CS_NO_INFO 0x0000 |
178 | #define L2CAP_CS_AUTHEN_PEND 0x0001 | |
179 | #define L2CAP_CS_AUTHOR_PEND 0x0002 | |
1da177e4 LT |
180 | |
181 | struct l2cap_conf_req { | |
8e036fc3 AV |
182 | __le16 dcid; |
183 | __le16 flags; | |
1da177e4 | 184 | __u8 data[0]; |
66c853cc | 185 | } __packed; |
1da177e4 LT |
186 | |
187 | struct l2cap_conf_rsp { | |
8e036fc3 AV |
188 | __le16 scid; |
189 | __le16 flags; | |
190 | __le16 result; | |
1da177e4 | 191 | __u8 data[0]; |
66c853cc | 192 | } __packed; |
1da177e4 | 193 | |
5dee9e7c MH |
194 | #define L2CAP_CONF_SUCCESS 0x0000 |
195 | #define L2CAP_CONF_UNACCEPT 0x0001 | |
196 | #define L2CAP_CONF_REJECT 0x0002 | |
197 | #define L2CAP_CONF_UNKNOWN 0x0003 | |
1da177e4 LT |
198 | |
199 | struct l2cap_conf_opt { | |
200 | __u8 type; | |
201 | __u8 len; | |
202 | __u8 val[0]; | |
66c853cc | 203 | } __packed; |
1da177e4 LT |
204 | #define L2CAP_CONF_OPT_SIZE 2 |
205 | ||
589d2746 | 206 | #define L2CAP_CONF_HINT 0x80 |
47ec1dcd | 207 | #define L2CAP_CONF_MASK 0x7f |
589d2746 | 208 | |
1da177e4 LT |
209 | #define L2CAP_CONF_MTU 0x01 |
210 | #define L2CAP_CONF_FLUSH_TO 0x02 | |
211 | #define L2CAP_CONF_QOS 0x03 | |
212 | #define L2CAP_CONF_RFC 0x04 | |
47ec1dcd | 213 | #define L2CAP_CONF_FCS 0x05 |
1da177e4 LT |
214 | |
215 | #define L2CAP_CONF_MAX_SIZE 22 | |
216 | ||
6464f35f MH |
217 | struct l2cap_conf_rfc { |
218 | __u8 mode; | |
219 | __u8 txwin_size; | |
220 | __u8 max_transmit; | |
221 | __le16 retrans_timeout; | |
222 | __le16 monitor_timeout; | |
223 | __le16 max_pdu_size; | |
66c853cc | 224 | } __packed; |
6464f35f MH |
225 | |
226 | #define L2CAP_MODE_BASIC 0x00 | |
227 | #define L2CAP_MODE_RETRANS 0x01 | |
228 | #define L2CAP_MODE_FLOWCTL 0x02 | |
47ec1dcd | 229 | #define L2CAP_MODE_ERTM 0x03 |
c6b03cf9 | 230 | #define L2CAP_MODE_STREAMING 0x04 |
6464f35f | 231 | |
1da177e4 | 232 | struct l2cap_disconn_req { |
8e036fc3 AV |
233 | __le16 dcid; |
234 | __le16 scid; | |
66c853cc | 235 | } __packed; |
1da177e4 LT |
236 | |
237 | struct l2cap_disconn_rsp { | |
8e036fc3 AV |
238 | __le16 dcid; |
239 | __le16 scid; | |
66c853cc | 240 | } __packed; |
1da177e4 LT |
241 | |
242 | struct l2cap_info_req { | |
8e036fc3 | 243 | __le16 type; |
66c853cc | 244 | } __packed; |
1da177e4 LT |
245 | |
246 | struct l2cap_info_rsp { | |
8e036fc3 AV |
247 | __le16 type; |
248 | __le16 result; | |
1da177e4 | 249 | __u8 data[0]; |
66c853cc | 250 | } __packed; |
1da177e4 LT |
251 | |
252 | /* info type */ | |
253 | #define L2CAP_IT_CL_MTU 0x0001 | |
254 | #define L2CAP_IT_FEAT_MASK 0x0002 | |
e1027a7c | 255 | #define L2CAP_IT_FIXED_CHAN 0x0003 |
1da177e4 LT |
256 | |
257 | /* info result */ | |
258 | #define L2CAP_IR_SUCCESS 0x0000 | |
259 | #define L2CAP_IR_NOTSUPP 0x0001 | |
260 | ||
261 | /* ----- L2CAP connections ----- */ | |
262 | struct l2cap_chan_list { | |
263 | struct sock *head; | |
264 | rwlock_t lock; | |
265 | long num; | |
266 | }; | |
267 | ||
268 | struct l2cap_conn { | |
269 | struct hci_conn *hcon; | |
270 | ||
271 | bdaddr_t *dst; | |
272 | bdaddr_t *src; | |
273 | ||
274 | unsigned int mtu; | |
275 | ||
4e8402a3 MH |
276 | __u32 feat_mask; |
277 | ||
278 | __u8 info_state; | |
279 | __u8 info_ident; | |
280 | ||
281 | struct timer_list info_timer; | |
282 | ||
1da177e4 LT |
283 | spinlock_t lock; |
284 | ||
285 | struct sk_buff *rx_skb; | |
286 | __u32 rx_len; | |
287 | __u8 rx_ident; | |
288 | __u8 tx_ident; | |
289 | ||
2950f21a MH |
290 | __u8 disc_reason; |
291 | ||
1da177e4 LT |
292 | struct l2cap_chan_list chan_list; |
293 | }; | |
294 | ||
cf6c2c0b GP |
295 | struct sock_del_list { |
296 | struct sock *sk; | |
297 | struct list_head list; | |
298 | }; | |
299 | ||
4e8402a3 | 300 | #define L2CAP_INFO_CL_MTU_REQ_SENT 0x01 |
984947dc MH |
301 | #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 |
302 | #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 | |
4e8402a3 | 303 | |
1da177e4 LT |
304 | /* ----- L2CAP channel and socket info ----- */ |
305 | #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) | |
1c2acffb | 306 | #define TX_QUEUE(sk) (&l2cap_pi(sk)->tx_queue) |
8f17154f | 307 | #define SREJ_QUEUE(sk) (&l2cap_pi(sk)->srej_queue) |
1890d36b | 308 | #define BUSY_QUEUE(sk) (&l2cap_pi(sk)->busy_queue) |
8f17154f GP |
309 | #define SREJ_LIST(sk) (&l2cap_pi(sk)->srej_l.list) |
310 | ||
311 | struct srej_list { | |
312 | __u8 tx_seq; | |
313 | struct list_head list; | |
314 | }; | |
1da177e4 LT |
315 | |
316 | struct l2cap_pinfo { | |
317 | struct bt_sock bt; | |
8e036fc3 | 318 | __le16 psm; |
1da177e4 LT |
319 | __u16 dcid; |
320 | __u16 scid; | |
321 | ||
322 | __u16 imtu; | |
323 | __u16 omtu; | |
324 | __u16 flush_to; | |
c6b03cf9 | 325 | __u8 mode; |
f2fcfcd6 GP |
326 | __u8 num_conf_req; |
327 | __u8 num_conf_rsp; | |
328 | ||
c6b03cf9 MH |
329 | __u8 fcs; |
330 | __u8 sec_level; | |
2af6b9d5 | 331 | __u8 role_switch; |
c6b03cf9 | 332 | __u8 force_reliable; |
e702112f | 333 | __u8 flushable; |
1da177e4 | 334 | |
5dee9e7c MH |
335 | __u8 conf_req[64]; |
336 | __u8 conf_len; | |
1da177e4 | 337 | __u8 conf_state; |
d5392c8f | 338 | __u16 conn_state; |
1da177e4 | 339 | |
1c2acffb GP |
340 | __u8 next_tx_seq; |
341 | __u8 expected_ack_seq; | |
1c2acffb | 342 | __u8 expected_tx_seq; |
8f17154f GP |
343 | __u8 buffer_seq; |
344 | __u8 buffer_seq_srej; | |
ef54fd93 | 345 | __u8 srej_save_reqseq; |
d5392c8f | 346 | __u8 frames_sent; |
1c2acffb | 347 | __u8 unacked_frames; |
e90bac06 | 348 | __u8 retry_count; |
803020c6 | 349 | __u8 num_acked; |
c74e560c GP |
350 | __u16 sdu_len; |
351 | __u16 partial_sdu_len; | |
352 | struct sk_buff *sdu; | |
1c2acffb | 353 | |
1da177e4 LT |
354 | __u8 ident; |
355 | ||
14b5aa71 | 356 | __u8 tx_win; |
68d7f0ce | 357 | __u8 max_tx; |
f2fcfcd6 GP |
358 | __u8 remote_tx_win; |
359 | __u8 remote_max_tx; | |
360 | __u16 retrans_timeout; | |
361 | __u16 monitor_timeout; | |
1c762159 GP |
362 | __u16 remote_mps; |
363 | __u16 mps; | |
f2fcfcd6 | 364 | |
8e036fc3 | 365 | __le16 sport; |
1da177e4 | 366 | |
e90bac06 GP |
367 | struct timer_list retrans_timer; |
368 | struct timer_list monitor_timer; | |
c1b4f43b | 369 | struct timer_list ack_timer; |
1c2acffb | 370 | struct sk_buff_head tx_queue; |
8f17154f | 371 | struct sk_buff_head srej_queue; |
1890d36b GP |
372 | struct sk_buff_head busy_queue; |
373 | struct work_struct busy_work; | |
8f17154f | 374 | struct srej_list srej_l; |
1da177e4 LT |
375 | struct l2cap_conn *conn; |
376 | struct sock *next_c; | |
377 | struct sock *prev_c; | |
378 | }; | |
379 | ||
f2fcfcd6 GP |
380 | #define L2CAP_CONF_REQ_SENT 0x01 |
381 | #define L2CAP_CONF_INPUT_DONE 0x02 | |
382 | #define L2CAP_CONF_OUTPUT_DONE 0x04 | |
383 | #define L2CAP_CONF_MTU_DONE 0x08 | |
384 | #define L2CAP_CONF_MODE_DONE 0x10 | |
385 | #define L2CAP_CONF_CONNECT_PEND 0x20 | |
fcc203c3 | 386 | #define L2CAP_CONF_NO_FCS_RECV 0x40 |
f2fcfcd6 GP |
387 | #define L2CAP_CONF_STATE2_DEVICE 0x80 |
388 | ||
389 | #define L2CAP_CONF_MAX_CONF_REQ 2 | |
390 | #define L2CAP_CONF_MAX_CONF_RSP 2 | |
861d6882 | 391 | |
d5392c8f GP |
392 | #define L2CAP_CONN_SAR_SDU 0x0001 |
393 | #define L2CAP_CONN_SREJ_SENT 0x0002 | |
394 | #define L2CAP_CONN_WAIT_F 0x0004 | |
395 | #define L2CAP_CONN_SREJ_ACT 0x0008 | |
396 | #define L2CAP_CONN_SEND_PBIT 0x0010 | |
397 | #define L2CAP_CONN_REMOTE_BUSY 0x0020 | |
398 | #define L2CAP_CONN_LOCAL_BUSY 0x0040 | |
399 | #define L2CAP_CONN_REJ_ACT 0x0080 | |
400 | #define L2CAP_CONN_SEND_FBIT 0x0100 | |
1890d36b GP |
401 | #define L2CAP_CONN_RNR_SENT 0x0200 |
402 | #define L2CAP_CONN_SAR_RETRY 0x0400 | |
e90bac06 GP |
403 | |
404 | #define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \ | |
405 | jiffies + msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO)); | |
406 | #define __mod_monitor_timer() mod_timer(&l2cap_pi(sk)->monitor_timer, \ | |
407 | jiffies + msecs_to_jiffies(L2CAP_DEFAULT_MONITOR_TO)); | |
c1b4f43b GP |
408 | #define __mod_ack_timer() mod_timer(&l2cap_pi(sk)->ack_timer, \ |
409 | jiffies + msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO)); | |
c74e560c | 410 | |
1c2acffb GP |
411 | static inline int l2cap_tx_window_full(struct sock *sk) |
412 | { | |
413 | struct l2cap_pinfo *pi = l2cap_pi(sk); | |
414 | int sub; | |
415 | ||
416 | sub = (pi->next_tx_seq - pi->expected_ack_seq) % 64; | |
417 | ||
418 | if (sub < 0) | |
419 | sub += 64; | |
420 | ||
a02cec21 | 421 | return sub == pi->remote_tx_win; |
1c2acffb GP |
422 | } |
423 | ||
894718a6 AE |
424 | #define __get_txseq(ctrl) (((ctrl) & L2CAP_CTRL_TXSEQ) >> 1) |
425 | #define __get_reqseq(ctrl) (((ctrl) & L2CAP_CTRL_REQSEQ) >> 8) | |
426 | #define __is_iframe(ctrl) (!((ctrl) & L2CAP_CTRL_FRAME_TYPE)) | |
427 | #define __is_sframe(ctrl) ((ctrl) & L2CAP_CTRL_FRAME_TYPE) | |
428 | #define __is_sar_start(ctrl) (((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START) | |
1da177e4 | 429 | |
bb58f747 GP |
430 | extern int disable_ertm; |
431 | extern const struct proto_ops l2cap_sock_ops; | |
432 | extern struct bt_sock_list l2cap_sk_list; | |
433 | ||
434 | int l2cap_init_sockets(void); | |
435 | void l2cap_cleanup_sockets(void); | |
436 | ||
68983259 GP |
437 | u8 l2cap_get_ident(struct l2cap_conn *conn); |
438 | void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data); | |
439 | int l2cap_build_conf_req(struct sock *sk, void *data); | |
dcba0dba | 440 | int __l2cap_wait_ack(struct sock *sk); |
68983259 | 441 | |
fd83ccdb GP |
442 | struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len); |
443 | struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len); | |
444 | struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen); | |
445 | int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len); | |
446 | void l2cap_do_send(struct sock *sk, struct sk_buff *skb); | |
447 | void l2cap_streaming_send(struct sock *sk); | |
448 | int l2cap_ertm_send(struct sock *sk); | |
449 | ||
bb58f747 | 450 | void l2cap_sock_set_timer(struct sock *sk, long timeout); |
dcba0dba | 451 | void l2cap_sock_clear_timer(struct sock *sk); |
bb58f747 GP |
452 | void __l2cap_sock_close(struct sock *sk, int reason); |
453 | void l2cap_sock_kill(struct sock *sk); | |
454 | void l2cap_sock_init(struct sock *sk, struct sock *parent); | |
455 | struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, | |
456 | int proto, gfp_t prio); | |
6de0702b GP |
457 | void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err); |
458 | void l2cap_chan_del(struct sock *sk, int err); | |
4e34c50b | 459 | int l2cap_do_connect(struct sock *sk); |
bb58f747 | 460 | |
1da177e4 | 461 | #endif /* __L2CAP_H */ |