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Bluetooth: Fix missing cmd_status in mgmt
[deliverable/linux.git] / include / net / bluetooth / l2cap.h
CommitLineData
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
6327eb98 35#define L2CAP_DEFAULT_EXT_WINDOW 0x3FFF
e90bac06 36#define L2CAP_DEFAULT_MAX_TX 3
fa235562 37#define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */
e90bac06 38#define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */
db12d647 39#define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */
c1b4f43b 40#define L2CAP_DEFAULT_ACK_TO 200
b62f328b 41#define L2CAP_LE_DEFAULT_MTU 23
8f7975b1
AE		 42#define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF
43#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF
44#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF
1da177e4 45
4e8402a3
MH		 46#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
47#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
1da177e4
LT		 48
49/* L2CAP socket address */
50struct sockaddr_l2 {
51 sa_family_t l2_family;
8e036fc3 52 __le16 l2_psm;
1da177e4 53 bdaddr_t l2_bdaddr;
f29972de 54 __le16 l2_cid;
1da177e4
LT		 55};
56
57/* L2CAP socket options */
58#define L2CAP_OPTIONS 0x01
59struct l2cap_options {
60 __u16 omtu;
61 __u16 imtu;
62 __u16 flush_to;
63 __u8 mode;
fcc203c3 64 __u8 fcs;
68d7f0ce 65 __u8 max_tx;
14b5aa71 66 __u16 txwin_size;
1da177e4
LT		 67};
68
69#define L2CAP_CONNINFO 0x02
70struct l2cap_conninfo {
71 __u16 hci_handle;
72 __u8 dev_class[3];
73};
74
75#define L2CAP_LM 0x03
76#define L2CAP_LM_MASTER 0x0001
77#define L2CAP_LM_AUTH 0x0002
78#define L2CAP_LM_ENCRYPT 0x0004
79#define L2CAP_LM_TRUSTED 0x0008
80#define L2CAP_LM_RELIABLE 0x0010
81#define L2CAP_LM_SECURE 0x0020
82
83/* L2CAP command codes */
47ec1dcd
MH		 84#define L2CAP_COMMAND_REJ 0x01
85#define L2CAP_CONN_REQ 0x02
86#define L2CAP_CONN_RSP 0x03
87#define L2CAP_CONF_REQ 0x04
88#define L2CAP_CONF_RSP 0x05
89#define L2CAP_DISCONN_REQ 0x06
90#define L2CAP_DISCONN_RSP 0x07
91#define L2CAP_ECHO_REQ 0x08
92#define L2CAP_ECHO_RSP 0x09
93#define L2CAP_INFO_REQ 0x0a
94#define L2CAP_INFO_RSP 0x0b
3300d9a9
CT		 95#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12
96#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13
47ec1dcd 97
a858393b 98/* L2CAP extended feature mask */
47ec1dcd
MH		 99#define L2CAP_FEAT_FLOWCTL 0x00000001
100#define L2CAP_FEAT_RETRANS 0x00000002
a858393b 101#define L2CAP_FEAT_BIDIR_QOS 0x00000004
47ec1dcd
MH		 102#define L2CAP_FEAT_ERTM 0x00000008
103#define L2CAP_FEAT_STREAMING 0x00000010
104#define L2CAP_FEAT_FCS 0x00000020
a858393b 105#define L2CAP_FEAT_EXT_FLOW 0x00000040
47ec1dcd 106#define L2CAP_FEAT_FIXED_CHAN 0x00000080
a858393b
AE		 107#define L2CAP_FEAT_EXT_WINDOW 0x00000100
108#define L2CAP_FEAT_UCD 0x00000200
47ec1dcd
MH		 109
110/* L2CAP checksum option */
111#define L2CAP_FCS_NONE 0x00
112#define L2CAP_FCS_CRC16 0x01
1da177e4 113
1c2acffb 114/* L2CAP Control Field bit masks */
57253fd8
AE		 115#define L2CAP_CTRL_SAR 0xC000
116#define L2CAP_CTRL_REQSEQ 0x3F00
117#define L2CAP_CTRL_TXSEQ 0x007E
118#define L2CAP_CTRL_SUPERVISE 0x000C
119
120#define L2CAP_CTRL_RETRANS 0x0080
121#define L2CAP_CTRL_FINAL 0x0080
122#define L2CAP_CTRL_POLL 0x0010
123#define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */
124
125#define L2CAP_CTRL_TXSEQ_SHIFT 1
126#define L2CAP_CTRL_SUPER_SHIFT 2
127#define L2CAP_CTRL_REQSEQ_SHIFT 8
128#define L2CAP_CTRL_SAR_SHIFT 14
129
130/* L2CAP Extended Control Field bit mask */
131#define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000
132#define L2CAP_EXT_CTRL_SAR 0x00030000
133#define L2CAP_EXT_CTRL_SUPERVISE 0x00030000
134#define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC
135
136#define L2CAP_EXT_CTRL_POLL 0x00040000
137#define L2CAP_EXT_CTRL_FINAL 0x00000002
138#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */
139
140#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2
141#define L2CAP_EXT_CTRL_SAR_SHIFT 16
142#define L2CAP_EXT_CTRL_SUPER_SHIFT 16
143#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18
1c2acffb
GP		 144
145/* L2CAP Supervisory Function */
ab784b73
AE		 146#define L2CAP_SUPER_RR 0x00
147#define L2CAP_SUPER_REJ 0x01
148#define L2CAP_SUPER_RNR 0x02
149#define L2CAP_SUPER_SREJ 0x03
1c2acffb
GP		 150
151/* L2CAP Segmentation and Reassembly */
7e0ef6ee
AE		 152#define L2CAP_SAR_UNSEGMENTED 0x00
153#define L2CAP_SAR_START 0x01
154#define L2CAP_SAR_END 0x02
155#define L2CAP_SAR_CONTINUE 0x03
1c2acffb 156
e2fd318e 157/* L2CAP Command rej. reasons */
8d6765aa
AE		 158#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000
159#define L2CAP_REJ_MTU_EXCEEDED 0x0001
160#define L2CAP_REJ_INVALID_CID 0x0002
e2fd318e 161
1da177e4
LT		 162/* L2CAP structures */
163struct l2cap_hdr {
8e036fc3
AV		 164 __le16 len;
165 __le16 cid;
66c853cc 166} __packed;
1da177e4 167#define L2CAP_HDR_SIZE 4
d43cb289
AE		 168#define L2CAP_ENH_HDR_SIZE 6
169#define L2CAP_EXT_HDR_SIZE 8
170
171#define L2CAP_FCS_SIZE 2
172#define L2CAP_SDULEN_SIZE 2
173#define L2CAP_PSMLEN_SIZE 2
1da177e4
LT		 174
175struct l2cap_cmd_hdr {
176 __u8 code;
177 __u8 ident;
8e036fc3 178 __le16 len;
66c853cc 179} __packed;
1da177e4
LT		 180#define L2CAP_CMD_HDR_SIZE 4
181
e2fd318e
IK		 182struct l2cap_cmd_rej_unk {
183 __le16 reason;
184} __packed;
185
186struct l2cap_cmd_rej_mtu {
8e036fc3 187 __le16 reason;
e2fd318e
IK		 188 __le16 max_mtu;
189} __packed;
190
191struct l2cap_cmd_rej_cid {
192 __le16 reason;
193 __le16 scid;
194 __le16 dcid;
66c853cc 195} __packed;
1da177e4
LT		 196
197struct l2cap_conn_req {
8e036fc3
AV		 198 __le16 psm;
199 __le16 scid;
66c853cc 200} __packed;
1da177e4
LT		 201
202struct l2cap_conn_rsp {
8e036fc3
AV		 203 __le16 dcid;
204 __le16 scid;
205 __le16 result;
206 __le16 status;
66c853cc 207} __packed;
1da177e4 208
8db4dc46
GP		 209/* channel indentifier */
210#define L2CAP_CID_SIGNALING 0x0001
211#define L2CAP_CID_CONN_LESS 0x0002
acd7d370
VT		 212#define L2CAP_CID_LE_DATA 0x0004
213#define L2CAP_CID_LE_SIGNALING 0x0005
214#define L2CAP_CID_SMP 0x0006
8db4dc46
GP		 215#define L2CAP_CID_DYN_START 0x0040
216#define L2CAP_CID_DYN_END 0xffff
217
1da177e4 218/* connect result */
47ec1dcd
MH		 219#define L2CAP_CR_SUCCESS 0x0000
220#define L2CAP_CR_PEND 0x0001
221#define L2CAP_CR_BAD_PSM 0x0002
222#define L2CAP_CR_SEC_BLOCK 0x0003
223#define L2CAP_CR_NO_MEM 0x0004
1da177e4
LT		 224
225/* connect status */
47ec1dcd
MH		 226#define L2CAP_CS_NO_INFO 0x0000
227#define L2CAP_CS_AUTHEN_PEND 0x0001
228#define L2CAP_CS_AUTHOR_PEND 0x0002
1da177e4
LT		 229
230struct l2cap_conf_req {
8e036fc3
AV		 231 __le16 dcid;
232 __le16 flags;
1da177e4 233 __u8 data[0];
66c853cc 234} __packed;
1da177e4
LT		 235
236struct l2cap_conf_rsp {
8e036fc3
AV		 237 __le16 scid;
238 __le16 flags;
239 __le16 result;
1da177e4 240 __u8 data[0];
66c853cc 241} __packed;
1da177e4 242
5dee9e7c
MH		 243#define L2CAP_CONF_SUCCESS 0x0000
244#define L2CAP_CONF_UNACCEPT 0x0001
245#define L2CAP_CONF_REJECT 0x0002
246#define L2CAP_CONF_UNKNOWN 0x0003
5a9e7057 247#define L2CAP_CONF_EFS_REJECT 0x0005
1da177e4
LT		 248
249struct l2cap_conf_opt {
250 __u8 type;
251 __u8 len;
252 __u8 val[0];
66c853cc 253} __packed;
1da177e4
LT		 254#define L2CAP_CONF_OPT_SIZE 2
255
589d2746 256#define L2CAP_CONF_HINT 0x80
47ec1dcd 257#define L2CAP_CONF_MASK 0x7f
589d2746 258
1da177e4
LT		 259#define L2CAP_CONF_MTU 0x01
260#define L2CAP_CONF_FLUSH_TO 0x02
261#define L2CAP_CONF_QOS 0x03
262#define L2CAP_CONF_RFC 0x04
47ec1dcd 263#define L2CAP_CONF_FCS 0x05
5a9e7057 264#define L2CAP_CONF_EFS 0x06
6327eb98 265#define L2CAP_CONF_EWS 0x07
1da177e4
LT		 266
267#define L2CAP_CONF_MAX_SIZE 22
268
6464f35f
MH		 269struct l2cap_conf_rfc {
270 __u8 mode;
271 __u8 txwin_size;
272 __u8 max_transmit;
273 __le16 retrans_timeout;
274 __le16 monitor_timeout;
275 __le16 max_pdu_size;
66c853cc 276} __packed;
6464f35f
MH		 277
278#define L2CAP_MODE_BASIC 0x00
279#define L2CAP_MODE_RETRANS 0x01
280#define L2CAP_MODE_FLOWCTL 0x02
47ec1dcd 281#define L2CAP_MODE_ERTM 0x03
c6b03cf9 282#define L2CAP_MODE_STREAMING 0x04
6464f35f 283
5a9e7057
AE		 284struct l2cap_conf_efs {
285 __u8 id;
286 __u8 stype;
287 __le16 msdu;
288 __le32 sdu_itime;
289 __le32 acc_lat;
290 __le32 flush_to;
291} __packed;
292
8f7975b1
AE		 293#define L2CAP_SERV_NOTRAFIC 0x00
294#define L2CAP_SERV_BESTEFFORT 0x01
295#define L2CAP_SERV_GUARANTEED 0x02
296
297#define L2CAP_BESTEFFORT_ID 0x01
298
1da177e4 299struct l2cap_disconn_req {
8e036fc3
AV		 300 __le16 dcid;
301 __le16 scid;
66c853cc 302} __packed;
1da177e4
LT		 303
304struct l2cap_disconn_rsp {
8e036fc3
AV		 305 __le16 dcid;
306 __le16 scid;
66c853cc 307} __packed;
1da177e4
LT		 308
309struct l2cap_info_req {
8e036fc3 310 __le16 type;
66c853cc 311} __packed;
1da177e4
LT		 312
313struct l2cap_info_rsp {
8e036fc3
AV		 314 __le16 type;
315 __le16 result;
1da177e4 316 __u8 data[0];
66c853cc 317} __packed;
1da177e4
LT		 318
319/* info type */
8d6765aa
AE		 320#define L2CAP_IT_CL_MTU 0x0001
321#define L2CAP_IT_FEAT_MASK 0x0002
322#define L2CAP_IT_FIXED_CHAN 0x0003
1da177e4
LT		 323
324/* info result */
8d6765aa
AE		 325#define L2CAP_IR_SUCCESS 0x0000
326#define L2CAP_IR_NOTSUPP 0x0001
1da177e4 327
de73115a
CT		 328struct l2cap_conn_param_update_req {
329 __le16 min;
330 __le16 max;
331 __le16 latency;
332 __le16 to_multiplier;
333} __packed;
334
335struct l2cap_conn_param_update_rsp {
336 __le16 result;
337} __packed;
338
339/* Connection Parameters result */
340#define L2CAP_CONN_PARAM_ACCEPTED 0x0000
341#define L2CAP_CONN_PARAM_REJECTED 0x0001
342
48454079 343/* ----- L2CAP channels and connections ----- */
39d5a3ee 344struct srej_list {
fb45de7d 345 __u16 tx_seq;
39d5a3ee
GP		 346 struct list_head list;
347};
348
48454079
GP		 349struct l2cap_chan {
350 struct sock *sk;
8c1d787b
GP		 351
352 struct l2cap_conn *conn;
353
89bc500e
GP		 354 __u8 state;
355
71ba0e56
GP		 356 atomic_t refcnt;
357
fe4128e0
GP		 358 __le16 psm;
359 __u16 dcid;
360 __u16 scid;
4343478f 361
0c1bc5c6
GP		 362 __u16 imtu;
363 __u16 omtu;
364 __u16 flush_to;
365 __u8 mode;
715ec005 366 __u8 chan_type;
0c1bc5c6
GP		 367
368 __le16 sport;
369
4343478f 370 __u8 sec_level;
4343478f 371
fc7f8a7e
GP		 372 __u8 ident;
373
73ffa904
GP		 374 __u8 conf_req[64];
375 __u8 conf_len;
376 __u8 num_conf_req;
377 __u8 num_conf_rsp;
378
47d1ec61
GP		 379 __u8 fcs;
380
6327eb98 381 __u16 tx_win;
47d1ec61
GP		 382 __u8 max_tx;
383 __u16 retrans_timeout;
384 __u16 monitor_timeout;
385 __u16 mps;
386
c1360a1c 387 unsigned long conf_state;
e2ab4353 388 unsigned long conn_state;
d57b0e8b 389 unsigned long flags;
525cd185 390
fb45de7d
AE		 391 __u16 next_tx_seq;
392 __u16 expected_ack_seq;
393 __u16 expected_tx_seq;
0b209fae 394 __u16 buffer_seq;
fb45de7d
AE		 395 __u16 buffer_seq_srej;
396 __u16 srej_save_reqseq;
397 __u16 frames_sent;
398 __u16 unacked_frames;
6a026610
GP		 399 __u8 retry_count;
400 __u8 num_acked;
6f61fd47 401 __u16 sdu_len;
6f61fd47 402 struct sk_buff *sdu;
84084a31 403 struct sk_buff *sdu_last_frag;
6f61fd47 404
6327eb98 405 __u16 remote_tx_win;
2c03a7a4
GP		 406 __u8 remote_max_tx;
407 __u16 remote_mps;
42e5c802 408
5a9e7057
AE		 409 __u8 local_id;
410 __u8 local_stype;
411 __u16 local_msdu;
412 __u32 local_sdu_itime;
413 __u32 local_acc_lat;
414 __u32 local_flush_to;
415
416 __u8 remote_id;
417 __u8 remote_stype;
418 __u16 remote_msdu;
419 __u32 remote_sdu_itime;
420 __u32 remote_acc_lat;
421 __u32 remote_flush_to;
422
ab07801d 423 struct timer_list chan_timer;
e92c8e70
GP		 424 struct timer_list retrans_timer;
425 struct timer_list monitor_timer;
426 struct timer_list ack_timer;
58d35f87
GP		 427 struct sk_buff *tx_send_head;
428 struct sk_buff_head tx_q;
f1c6775b 429 struct sk_buff_head srej_q;
39d5a3ee 430 struct list_head srej_l;
e92c8e70 431
baa7e1fa 432 struct list_head list;
23691d75 433 struct list_head global_l;
80808e43
GP		 434
435 void *data;
436 struct l2cap_ops *ops;
437};
438
439struct l2cap_ops {
440 char *name;
441
442 struct l2cap_chan *(*new_connection) (void *data);
23070494 443 int (*recv) (void *data, struct sk_buff *skb);
ba3bd0ee 444 void (*close) (void *data);
89bc500e 445 void (*state_change) (void *data, int state);
1da177e4
LT		 446};
447
448struct l2cap_conn {
449 struct hci_conn *hcon;
450
451 bdaddr_t *dst;
452 bdaddr_t *src;
453
454 unsigned int mtu;
455
4e8402a3
MH		 456 __u32 feat_mask;
457
458 __u8 info_state;
459 __u8 info_ident;
460
461 struct timer_list info_timer;
462
1da177e4
LT		 463 spinlock_t lock;
464
465 struct sk_buff *rx_skb;
466 __u32 rx_len;
1da177e4
LT		 467 __u8 tx_ident;
468
2950f21a
MH		 469 __u8 disc_reason;
470
5d3de7df 471 struct timer_list security_timer;
1c1def09 472 struct smp_chan *smp_chan;
5d3de7df 473
baa7e1fa
GP		 474 struct list_head chan_l;
475 rwlock_t chan_lock;
1da177e4
LT		 476};
477
4e8402a3 478#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
984947dc
MH		 479#define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04
480#define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08
4e8402a3 481
715ec005
GP		 482#define L2CAP_CHAN_RAW 1
483#define L2CAP_CHAN_CONN_LESS 2
484#define L2CAP_CHAN_CONN_ORIENTED 3
485
48454079 486/* ----- L2CAP socket info ----- */
1da177e4
LT		 487#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
488
489struct l2cap_pinfo {
490 struct bt_sock bt;
48454079 491 struct l2cap_chan *chan;
e328140f 492 struct sk_buff *rx_busy_skb;
1da177e4
LT		 493};
494
c1360a1c
GP		 495enum {
496 CONF_REQ_SENT,
497 CONF_INPUT_DONE,
498 CONF_OUTPUT_DONE,
499 CONF_MTU_DONE,
500 CONF_MODE_DONE,
501 CONF_CONNECT_PEND,
502 CONF_NO_FCS_RECV,
503 CONF_STATE2_DEVICE,
6327eb98 504 CONF_EWS_RECV,
c1360a1c 505};
f2fcfcd6
GP		 506
507#define L2CAP_CONF_MAX_CONF_REQ 2
508#define L2CAP_CONF_MAX_CONF_RSP 2
861d6882 509
e2ab4353 510enum {
e2ab4353
GP		 511 CONN_SREJ_SENT,
512 CONN_WAIT_F,
513 CONN_SREJ_ACT,
514 CONN_SEND_PBIT,
515 CONN_REMOTE_BUSY,
516 CONN_LOCAL_BUSY,
517 CONN_REJ_ACT,
518 CONN_SEND_FBIT,
519 CONN_RNR_SENT,
e2ab4353 520};
e90bac06 521
d57b0e8b
AE		 522/* Definitions for flags in l2cap_chan */
523enum {
43bd0f32 524 FLAG_ROLE_SWITCH,
15770b1a 525 FLAG_FORCE_ACTIVE,
ecf61bdb 526 FLAG_FORCE_RELIABLE,
d57b0e8b 527 FLAG_FLUSHABLE,
6327eb98 528 FLAG_EXT_CTRL,
5a9e7057 529 FLAG_EFS_ENABLE,
d57b0e8b
AE		 530};
531
c9b66675
GP		 532#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
533#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
1a09bcb9
GP		 534#define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \
535 L2CAP_DEFAULT_RETRANS_TO);
536#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer)
537#define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \
538 L2CAP_DEFAULT_MONITOR_TO);
539#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer)
540#define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \
541 L2CAP_DEFAULT_ACK_TO);
542#define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer)
c74e560c 543
42e5c802 544static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
1c2acffb 545{
1c2acffb
GP		 546 int sub;
547
42e5c802 548 sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64;
1c2acffb
GP		 549
550 if (sub < 0)
551 sub += 64;
552
2c03a7a4 553 return sub == ch->remote_tx_win;
1c2acffb
GP		 554}
555
0b209fae
AE		 556static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl)
557{
558 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
559 return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >>
560 L2CAP_EXT_CTRL_REQSEQ_SHIFT;
561 else
562 return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT;
563}
564
565static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq)
566{
567 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
568 return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) &
569 L2CAP_EXT_CTRL_REQSEQ;
570 else
571 return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ;
572}
fb45de7d
AE		 573
574static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl)
575{
576 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
577 return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >>
578 L2CAP_EXT_CTRL_TXSEQ_SHIFT;
579 else
580 return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT;
581}
582
583static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq)
584{
585 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
586 return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) &
587 L2CAP_EXT_CTRL_TXSEQ;
588 else
589 return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ;
590}
591
793c2f1c
AE		 592static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl)
593{
594 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
595 return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE;
596 else
597 return ctrl & L2CAP_CTRL_FRAME_TYPE;
598}
599
600static inline __u32 __set_sframe(struct l2cap_chan *chan)
601{
602 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
603 return L2CAP_EXT_CTRL_FRAME_TYPE;
604 else
605 return L2CAP_CTRL_FRAME_TYPE;
606}
607
7e0ef6ee
AE		 608static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl)
609{
610 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
611 return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT;
612 else
613 return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT;
614}
615
616static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar)
617{
618 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
619 return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR;
620 else
621 return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR;
622}
623
624static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl)
625{
626 return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START;
627}
628
629static inline __u32 __get_sar_mask(struct l2cap_chan *chan)
630{
631 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
632 return L2CAP_EXT_CTRL_SAR;
633 else
634 return L2CAP_CTRL_SAR;
635}
1da177e4 636
ab784b73
AE		 637static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl)
638{
639 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
640 return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >>
641 L2CAP_EXT_CTRL_SUPER_SHIFT;
642 else
643 return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT;
644}
645
646static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super)
647{
648 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
649 return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) &
650 L2CAP_EXT_CTRL_SUPERVISE;
651 else
652 return (super << L2CAP_CTRL_SUPER_SHIFT) &
653 L2CAP_CTRL_SUPERVISE;
654}
655
03f6715d
AE		 656static inline __u32 __set_ctrl_final(struct l2cap_chan *chan)
657{
658 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
659 return L2CAP_EXT_CTRL_FINAL;
660 else
661 return L2CAP_CTRL_FINAL;
662}
663
664static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl)
665{
666 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
667 return ctrl & L2CAP_EXT_CTRL_FINAL;
668 else
669 return ctrl & L2CAP_CTRL_FINAL;
670}
e3781735
AE		 671
672static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan)
673{
674 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
675 return L2CAP_EXT_CTRL_POLL;
676 else
677 return L2CAP_CTRL_POLL;
678}
679
680static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl)
681{
682 if (test_bit(FLAG_EXT_CTRL, &chan->flags))
683 return ctrl & L2CAP_EXT_CTRL_POLL;
684 else
685 return ctrl & L2CAP_CTRL_POLL;
686}
bb58f747 687extern int disable_ertm;
bb58f747
GP		 688
689int l2cap_init_sockets(void);
690void l2cap_cleanup_sockets(void);
691
8c1d787b 692void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
dcba0dba 693int __l2cap_wait_ack(struct sock *sk);
68983259 694
9e4425ff
GP		 695int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
696int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);
697
23691d75 698struct l2cap_chan *l2cap_chan_create(struct sock *sk);
0f852724 699void l2cap_chan_close(struct l2cap_chan *chan, int reason);
23691d75 700void l2cap_chan_destroy(struct l2cap_chan *chan);
77a74c7e 701int l2cap_chan_connect(struct l2cap_chan *chan);
9a91a04a 702int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
e328140f 703void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
bb58f747 704
1da177e4 705#endif /* __L2CAP_H */
Linux kernel - Deliverables
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