xref: /dragonfly/sys/netgraph7/bluetooth/include/ng_l2cap.h (revision e85b99abf6da4a83a7dc495b0ef37ce19864149f)
1 /*
2  * ng_l2cap.h
3  */
4 
5 /*-
6  * Copyright (c) Maksim Yevmenkin <m_evmenkin@yahoo.com>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $Id: ng_l2cap.h,v 1.2 2003/04/27 00:52:26 max Exp $
31  * $FreeBSD: src/sys/netgraph/bluetooth/include/ng_l2cap.h,v 1.4 2005/08/31 18:13:23 emax Exp $
32  */
33 
34 /*
35  * This file contains everything that application needs to know about
36  * Link Layer Control and Adaptation Protocol (L2CAP). All information
37  * was obtained from Bluetooth Specification Book v1.1.
38  *
39  * This file can be included by both kernel and userland applications.
40  */
41 
42 #ifndef _NETGRAPH_L2CAP_H_
43 #define _NETGRAPH_L2CAP_H_
44 
45 /**************************************************************************
46  **************************************************************************
47  **     Netgraph node hook name, type name and type cookie and commands
48  **************************************************************************
49  **************************************************************************/
50 
51 /* Netgraph node hook names */
52 #define NG_L2CAP_HOOK_HCI               "hci"     /* HCI   <-> L2CAP */
53 #define NG_L2CAP_HOOK_L2C               "l2c"     /* L2CAP <-> Upper */
54 #define NG_L2CAP_HOOK_CTL               "ctl"     /* L2CAP <-> User  */
55 
56 /* Node type name and type cookie */
57 #define NG_L2CAP_NODE_TYPE              "l2cap"
58 #define NGM_L2CAP_COOKIE                1000774185
59 
60 /**************************************************************************
61  **************************************************************************
62  **                   Common defines and types (L2CAP)
63  **************************************************************************
64  **************************************************************************/
65 
66 /*
67  * Channel IDs are assigned relative to the instance of L2CAP node, i.e.
68  * relative to the unit. So the total number of channels that unit can have
69  * open at the same time is 0xffff - 0x0040 = 0xffbf (65471). This number
70  * does not depend on number of connections.
71  */
72 
73 #define NG_L2CAP_NULL_CID     0x0000    /* DO NOT USE THIS CID */
74 #define NG_L2CAP_SIGNAL_CID   0x0001    /* signaling channel ID */
75 #define NG_L2CAP_CLT_CID      0x0002    /* connectionless channel ID */
76           /* 0x0003 - 0x003f Reserved */
77 #define NG_L2CAP_FIRST_CID    0x0040    /* dynamically alloc. (start) */
78 #define NG_L2CAP_LAST_CID     0xffff    /* dynamically alloc. (end) */
79 
80 /* L2CAP MTU */
81 #define NG_L2CAP_MTU_MINIMUM            48
82 #define NG_L2CAP_MTU_DEFAULT            672
83 #define NG_L2CAP_MTU_MAXIMUM            0xffff
84 
85 /* L2CAP flush and link timeouts */
86 #define NG_L2CAP_FLUSH_TIMO_DEFAULT     0xffff /* always retransmit */
87 #define NG_L2CAP_LINK_TIMO_DEFAULT      0xffff
88 
89 /* L2CAP Command Reject reasons */
90 #define NG_L2CAP_REJ_NOT_UNDERSTOOD     0x0000
91 #define NG_L2CAP_REJ_MTU_EXCEEDED       0x0001
92 #define NG_L2CAP_REJ_INVALID_CID        0x0002
93 /* 0x0003 - 0xffff - reserved for future use */
94 
95 /* Protocol/Service Multioplexor (PSM) values */
96 #define NG_L2CAP_PSM_ANY                0x0000    /* Any/Invalid PSM */
97 #define NG_L2CAP_PSM_SDP                0x0001    /* Service Discovery Protocol */
98 #define NG_L2CAP_PSM_RFCOMM             0x0003    /* RFCOMM protocol */
99 #define NG_L2CAP_PSM_TCP                0x0005    /* Telephony Control Protocol */
100 /* 0x0006 - 0x1000 - reserved for future use */
101 
102 /* L2CAP Connection response command result codes */
103 #define NG_L2CAP_SUCCESS                0x0000
104 #define NG_L2CAP_PENDING                0x0001
105 #define NG_L2CAP_PSM_NOT_SUPPORTED      0x0002
106 #define NG_L2CAP_SEQUIRY_BLOCK                    0x0003
107 #define NG_L2CAP_NO_RESOURCES           0x0004
108 #define NG_L2CAP_TIMEOUT                0xeeee
109 #define NG_L2CAP_UNKNOWN                0xffff
110 /* 0x0005 - 0xffff - reserved for future use */
111 
112 /* L2CAP Connection response status codes */
113 #define NG_L2CAP_NO_INFO                0x0000
114 #define NG_L2CAP_AUTH_PENDING           0x0001
115 #define NG_L2CAP_AUTZ_PENDING           0x0002
116 /* 0x0003 - 0xffff - reserved for future use */
117 
118 /* L2CAP Configuration response result codes */
119 #define NG_L2CAP_UNACCEPTABLE_PARAMS    0x0001
120 #define NG_L2CAP_REJECT                           0x0002
121 #define NG_L2CAP_UNKNOWN_OPTION                   0x0003
122 /* 0x0003 - 0xffff - reserved for future use */
123 
124 /* L2CAP Configuration options */
125 #define NG_L2CAP_OPT_CFLAG_BIT                    0x0001
126 #define NG_L2CAP_OPT_CFLAG(flags)       ((flags) & NG_L2CAP_OPT_CFLAG_BIT)
127 #define NG_L2CAP_OPT_HINT_BIT           0x80
128 #define NG_L2CAP_OPT_HINT(type)                   ((type) & NG_L2CAP_OPT_HINT_BIT)
129 #define NG_L2CAP_OPT_HINT_MASK                    0x7f
130 #define NG_L2CAP_OPT_MTU                0x01
131 #define NG_L2CAP_OPT_MTU_SIZE           sizeof(u_int16_t)
132 #define NG_L2CAP_OPT_FLUSH_TIMO                   0x02
133 #define NG_L2CAP_OPT_FLUSH_TIMO_SIZE    sizeof(u_int16_t)
134 #define NG_L2CAP_OPT_QOS                0x03
135 #define NG_L2CAP_OPT_QOS_SIZE           sizeof(ng_l2cap_flow_t)
136 /* 0x4 - 0xff - reserved for future use */
137 
138 /* L2CAP Information request type codes */
139 #define NG_L2CAP_CONNLESS_MTU           0x0001
140 /* 0x0002 - 0xffff - reserved for future use */
141 
142 /* L2CAP Information response codes */
143 #define NG_L2CAP_NOT_SUPPORTED                    0x0001
144 /* 0x0002 - 0xffff - reserved for future use */
145 
146 /* L2CAP flow control */
147 typedef struct {
148           u_int8_t  flags;             /* reserved for future use */
149           u_int8_t  service_type;      /* service type */
150           u_int32_t token_rate;        /* bytes per second */
151           u_int32_t token_bucket_size; /* bytes */
152           u_int32_t peak_bandwidth;    /* bytes per second */
153           u_int32_t latency;           /* microseconds */
154           u_int32_t delay_variation;   /* microseconds */
155 } __attribute__ ((packed)) ng_l2cap_flow_t;
156 typedef ng_l2cap_flow_t *     ng_l2cap_flow_p;
157 
158 /**************************************************************************
159  **************************************************************************
160  **                 Link level defines, headers and types
161  **************************************************************************
162  **************************************************************************/
163 
164 /* L2CAP header */
165 typedef struct {
166           u_int16_t length;   /* payload size */
167           u_int16_t dcid;     /* destination channel ID */
168 } __attribute__ ((packed)) ng_l2cap_hdr_t;
169 
170 /* L2CAP ConnectionLess Traffic (CLT) (if destination cid == 0x2) */
171 typedef struct {
172           u_int16_t psm; /* Protocol/Service Multiplexor */
173 } __attribute__ ((packed)) ng_l2cap_clt_hdr_t;
174 
175 #define NG_L2CAP_CLT_MTU_MAXIMUM \
176           (NG_L2CAP_MTU_MAXIMUM - sizeof(ng_l2cap_clt_hdr_t))
177 
178 /* L2CAP command header */
179 typedef struct {
180           u_int8_t  code;   /* command OpCode */
181           u_int8_t  ident;  /* identifier to match request and response */
182           u_int16_t length; /* command parameters length */
183 } __attribute__ ((packed)) ng_l2cap_cmd_hdr_t;
184 
185 /* L2CAP Command Reject */
186 #define NG_L2CAP_CMD_REJ      0x01
187 typedef struct {
188           u_int16_t reason; /* reason to reject command */
189 /*        u_int8_t  data[]; -- optional data (depends on reason) */
190 } __attribute__ ((packed)) ng_l2cap_cmd_rej_cp;
191 
192 /* CommandReject data */
193 typedef union {
194           /* NG_L2CAP_REJ_MTU_EXCEEDED */
195           struct {
196                     u_int16_t mtu; /* actual signaling MTU */
197           } __attribute__ ((packed)) mtu;
198           /* NG_L2CAP_REJ_INVALID_CID */
199           struct {
200                     u_int16_t scid; /* local CID */
201                     u_int16_t dcid; /* remote CID */
202           } __attribute__ ((packed)) cid;
203 } ng_l2cap_cmd_rej_data_t;
204 typedef ng_l2cap_cmd_rej_data_t * ng_l2cap_cmd_rej_data_p;
205 
206 /* L2CAP Connection Request */
207 #define NG_L2CAP_CON_REQ      0x02
208 typedef struct {
209           u_int16_t psm;  /* Protocol/Service Multiplexor (PSM) */
210           u_int16_t scid; /* source channel ID */
211 } __attribute__ ((packed)) ng_l2cap_con_req_cp;
212 
213 /* L2CAP Connection Response */
214 #define NG_L2CAP_CON_RSP      0x03
215 typedef struct {
216           u_int16_t dcid;   /* destination channel ID */
217           u_int16_t scid;   /* source channel ID */
218           u_int16_t result; /* 0x00 - success */
219           u_int16_t status; /* more info if result != 0x00 */
220 } __attribute__ ((packed)) ng_l2cap_con_rsp_cp;
221 
222 /* L2CAP Configuration Request */
223 #define NG_L2CAP_CFG_REQ      0x04
224 typedef struct {
225           u_int16_t dcid;  /* destination channel ID */
226           u_int16_t flags; /* flags */
227 /*        u_int8_t  options[] --  options */
228 } __attribute__ ((packed)) ng_l2cap_cfg_req_cp;
229 
230 /* L2CAP Configuration Response */
231 #define NG_L2CAP_CFG_RSP      0x05
232 typedef struct {
233           u_int16_t scid;   /* source channel ID */
234           u_int16_t flags;  /* flags */
235           u_int16_t result; /* 0x00 - success */
236 /*        u_int8_t  options[] -- options */
237 } __attribute__ ((packed)) ng_l2cap_cfg_rsp_cp;
238 
239 /* L2CAP configuration option */
240 typedef struct {
241           u_int8_t  type;
242           u_int8_t  length;
243 /*        u_int8_t  value[] -- option value (depends on type) */
244 } __attribute__ ((packed)) ng_l2cap_cfg_opt_t;
245 typedef ng_l2cap_cfg_opt_t * ng_l2cap_cfg_opt_p;
246 
247 /* L2CAP configuration option value */
248 typedef union {
249           u_int16_t           mtu;                /* NG_L2CAP_OPT_MTU */
250           u_int16_t           flush_timo;         /* NG_L2CAP_OPT_FLUSH_TIMO */
251           ng_l2cap_flow_t               flow;               /* NG_L2CAP_OPT_QOS */
252 } ng_l2cap_cfg_opt_val_t;
253 typedef ng_l2cap_cfg_opt_val_t * ng_l2cap_cfg_opt_val_p;
254 
255 /* L2CAP Disconnect Request */
256 #define NG_L2CAP_DISCON_REQ   0x06
257 typedef struct {
258           u_int16_t dcid; /* destination channel ID */
259           u_int16_t scid; /* source channel ID */
260 } __attribute__ ((packed)) ng_l2cap_discon_req_cp;
261 
262 /* L2CAP Disconnect Response */
263 #define NG_L2CAP_DISCON_RSP   0x07
264 typedef ng_l2cap_discon_req_cp          ng_l2cap_discon_rsp_cp;
265 
266 /* L2CAP Echo Request */
267 #define NG_L2CAP_ECHO_REQ     0x08
268 /* No command parameters, only optional data */
269 
270 /* L2CAP Echo Response */
271 #define NG_L2CAP_ECHO_RSP     0x09
272 #define NG_L2CAP_MAX_ECHO_SIZE \
273           (NG_L2CAP_MTU_MAXIMUM - sizeof(ng_l2cap_cmd_hdr_t))
274 /* No command parameters, only optional data */
275 
276 /* L2CAP Information Request */
277 #define NG_L2CAP_INFO_REQ     0x0a
278 typedef struct {
279           u_int16_t type; /* requested information type */
280 } __attribute__ ((packed)) ng_l2cap_info_req_cp;
281 
282 /* L2CAP Information Response */
283 #define NG_L2CAP_INFO_RSP     0x0b
284 typedef struct {
285           u_int16_t type;   /* requested information type */
286           u_int16_t result; /* 0x00 - success */
287 /*        u_int8_t  info[]  -- info data (depends on type)
288  *
289  * NG_L2CAP_CONNLESS_MTU - 2 bytes connectionless MTU
290  */
291 } __attribute__ ((packed)) ng_l2cap_info_rsp_cp;
292 
293 typedef union {
294           /* NG_L2CAP_CONNLESS_MTU */
295           struct {
296                     u_int16_t mtu;
297           } __attribute__ ((packed)) mtu;
298 } ng_l2cap_info_rsp_data_t;
299 typedef ng_l2cap_info_rsp_data_t *      ng_l2cap_info_rsp_data_p;
300 
301 /**************************************************************************
302  **************************************************************************
303  **        Upper layer protocol interface. L2CA_xxx messages
304  **************************************************************************
305  **************************************************************************/
306 
307 /*
308  * NOTE! NOTE! NOTE!
309  *
310  * Bluetooth specification says that L2CA_xxx request must block until
311  * response is ready. We are not allowed to block in Netgraph, so we
312  * need to queue request and save some information that can be used
313  * later and help match request and response.
314  *
315  * The idea is to use "token" field from Netgraph message header. The
316  * upper layer protocol _MUST_ populate "token". L2CAP will queue request
317  * (using L2CAP command descriptor) and start processing. Later, when
318  * response is ready or timeout has occur L2CAP layer will create new
319  * Netgraph message, set "token" and RESP flag and send the message to
320  * the upper layer protocol.
321  *
322  * L2CA_xxx_Ind messages _WILL_NOT_ populate "token" and _WILL_NOT_
323  * set RESP flag. There is no reason for this, because they are just
324  * notifications and do not require acknowlegment.
325  *
326  * NOTE: This is _NOT_ what NG_MKRESPONSE and NG_RESPOND_MSG do, however
327  *       it is somewhat similar.
328  */
329 
330 /* L2CA data packet header */
331 typedef struct {
332           u_int32_t token;    /* token to use in L2CAP_L2CA_WRITE */
333           u_int16_t length;   /* length of the data */
334           u_int16_t lcid;     /* local channel ID */
335 } __attribute__ ((packed)) ng_l2cap_l2ca_hdr_t;
336 
337 /* L2CA_Connect */
338 #define NGM_L2CAP_L2CA_CON              0x80
339 /* Upper -> L2CAP */
340 typedef struct {
341           u_int16_t psm;    /* Protocol/Service Multiplexor */
342           bdaddr_t  bdaddr;   /* remote unit address */
343 } ng_l2cap_l2ca_con_ip;
344 
345 /* L2CAP -> Upper */
346 typedef struct {
347           u_int16_t lcid;   /* local channel ID */
348           u_int16_t result; /* 0x00 - success */
349           u_int16_t status; /* if result != 0x00 */
350 } ng_l2cap_l2ca_con_op;
351 
352 /* L2CA_ConnectInd */
353 #define NGM_L2CAP_L2CA_CON_IND                    0x81
354 /* L2CAP -> Upper */
355 typedef struct {
356           bdaddr_t  bdaddr; /* remote unit address */
357           u_int16_t lcid;   /* local channel ID */
358           u_int16_t psm;    /* Procotol/Service Multiplexor */
359           u_int8_t  ident;  /* indentifier */
360           u_int8_t  unused; /* place holder */
361 } ng_l2cap_l2ca_con_ind_ip;
362 /* No output parameters */
363 
364 /* L2CA_ConnectRsp */
365 #define NGM_L2CAP_L2CA_CON_RSP                    0x82
366 /* Upper -> L2CAP */
367 typedef struct {
368           bdaddr_t  bdaddr; /* remote unit address */
369           u_int8_t  ident;  /* "ident" from L2CAP_ConnectInd event */
370           u_int8_t  unused; /* place holder */
371           u_int16_t lcid;   /* local channel ID */
372           u_int16_t result; /* 0x00 - success */
373           u_int16_t status; /* if response != 0x00 */
374 } ng_l2cap_l2ca_con_rsp_ip;
375 
376 /* L2CAP -> Upper */
377 typedef struct {
378           u_int16_t result; /* 0x00 - success */
379 } ng_l2cap_l2ca_con_rsp_op;
380 
381 /* L2CA_Config */
382 #define NGM_L2CAP_L2CA_CFG              0x83
383 /* Upper -> L2CAP */
384 typedef struct {
385           u_int16_t lcid;        /* local channel ID */
386           u_int16_t imtu;        /* receiving MTU for the local channel */
387           ng_l2cap_flow_t     oflow;       /* out flow */
388           u_int16_t flush_timo;  /* flush timeout (msec) */
389           u_int16_t link_timo;   /* link timeout (msec) */
390 } ng_l2cap_l2ca_cfg_ip;
391 
392 /* L2CAP -> Upper */
393 typedef struct {
394           u_int16_t result;      /* 0x00 - success */
395           u_int16_t imtu;        /* sending MTU for the remote channel */
396           ng_l2cap_flow_t     oflow;       /* out flow */
397           u_int16_t flush_timo;  /* flush timeout (msec) */
398 } ng_l2cap_l2ca_cfg_op;
399 
400 /* L2CA_ConfigRsp */
401 #define NGM_L2CAP_L2CA_CFG_RSP                    0x84
402 /* Upper -> L2CAP */
403 typedef struct {
404           u_int16_t lcid;  /* local channel ID */
405           u_int16_t omtu;  /* sending MTU for the local channel */
406           ng_l2cap_flow_t     iflow; /* in FLOW */
407 } ng_l2cap_l2ca_cfg_rsp_ip;
408 
409 /* L2CAP -> Upper */
410 typedef struct {
411           u_int16_t result; /* 0x00 - sucsess */
412 } ng_l2cap_l2ca_cfg_rsp_op;
413 
414 /* L2CA_ConfigInd */
415 #define NGM_L2CAP_L2CA_CFG_IND                    0x85
416 /* L2CAP -> Upper */
417 typedef struct {
418           u_int16_t lcid;        /* local channel ID */
419           u_int16_t omtu;        /* outgoing MTU for the local channel */
420           ng_l2cap_flow_t     iflow;       /* in flow */
421           u_int16_t flush_timo;  /* flush timeout (msec) */
422 } ng_l2cap_l2ca_cfg_ind_ip;
423 /* No output parameters */
424 
425 /* L2CA_QoSViolationInd */
426 #define NGM_L2CAP_L2CA_QOS_IND                    0x86
427 /* L2CAP -> Upper */
428 typedef struct {
429           bdaddr_t  bdaddr;   /* remote unit address */
430 } ng_l2cap_l2ca_qos_ind_ip;
431 /* No output parameters */
432 
433 /* L2CA_Disconnect */
434 #define NGM_L2CAP_L2CA_DISCON           0x87
435 /* Upper -> L2CAP */
436 typedef struct {
437           u_int16_t lcid;  /* local channel ID */
438 } ng_l2cap_l2ca_discon_ip;
439 
440 /* L2CAP -> Upper */
441 typedef struct {
442           u_int16_t result; /* 0x00 - sucsess */
443 } ng_l2cap_l2ca_discon_op;
444 
445 /* L2CA_DisconnectInd */
446 #define NGM_L2CAP_L2CA_DISCON_IND       0x88
447 /* L2CAP -> Upper */
448 typedef ng_l2cap_l2ca_discon_ip ng_l2cap_l2ca_discon_ind_ip;
449 /* No output parameters */
450 
451 /* L2CA_Write response */
452 #define NGM_L2CAP_L2CA_WRITE            0x89
453 /* No input parameters */
454 
455 /* L2CAP -> Upper */
456 typedef struct {
457           int                 result;   /* result (0x00 - success) */
458           u_int16_t length;   /* amount of data written */
459           u_int16_t lcid;     /* local channel ID */
460 } ng_l2cap_l2ca_write_op;
461 
462 /* L2CA_GroupCreate */
463 #define NGM_L2CAP_L2CA_GRP_CREATE       0x8a
464 /* Upper -> L2CAP */
465 typedef struct {
466           u_int16_t psm;   /* Protocol/Service Multiplexor */
467 } ng_l2cap_l2ca_grp_create_ip;
468 
469 /* L2CAP -> Upper */
470 typedef struct {
471           u_int16_t lcid;  /* local group channel ID */
472 } ng_l2cap_l2ca_grp_create_op;
473 
474 /* L2CA_GroupClose */
475 #define NGM_L2CAP_L2CA_GRP_CLOSE        0x8b
476 /* Upper -> L2CAP */
477 typedef struct {
478           u_int16_t lcid;  /* local group channel ID */
479 } ng_l2cap_l2ca_grp_close_ip;
480 
481 #if 0
482 /* L2CAP -> Upper */
483  * typedef struct {
484  *        u_int16_t result; /* 0x00 - success */
485  * } ng_l2cap_l2ca_grp_close_op;
486 #endif
487 
488 /* L2CA_GroupAddMember */
489 #define NGM_L2CAP_L2CA_GRP_ADD_MEMBER   0x8c
490 /* Upper -> L2CAP */
491 typedef struct {
492           u_int16_t lcid;   /* local group channel ID */
493           bdaddr_t  bdaddr; /* remote unit address */
494 } ng_l2cap_l2ca_grp_add_member_ip;
495 
496 /* L2CAP -> Upper */
497 typedef struct {
498           u_int16_t result; /* 0x00 - success */
499 } ng_l2cap_l2ca_grp_add_member_op;
500 
501 /* L2CA_GroupRemoveMember */
502 #define NGM_L2CAP_L2CA_GRP_REM_MEMBER   0x8d
503 /* Upper -> L2CAP */
504 typedef ng_l2cap_l2ca_grp_add_member_ip ng_l2cap_l2ca_grp_rem_member_ip;
505 
506 /* L2CAP -> Upper */
507 #if 0
508  * typedef ng_l2cap_l2ca_grp_add_member_op        ng_l2cap_l2ca_grp_rem_member_op;
509 #endif
510 
511 /* L2CA_GroupMembeship */
512 #define NGM_L2CAP_L2CA_GRP_MEMBERSHIP   0x8e
513 /* Upper -> L2CAP */
514 typedef struct {
515           u_int16_t lcid;  /* local group channel ID */
516 } ng_l2cap_l2ca_grp_get_members_ip;
517 
518 /* L2CAP -> Upper */
519 typedef struct {
520           u_int16_t result;   /* 0x00 - success */
521           u_int16_t nmembers; /* number of group members */
522 /*        bdaddr_t  members[] -- group memebers */
523 } ng_l2cap_l2ca_grp_get_members_op;
524 
525 /* L2CA_Ping */
526 #define NGM_L2CAP_L2CA_PING             0x8f
527 /* Upper -> L2CAP */
528 typedef struct {
529           bdaddr_t  bdaddr;    /* remote unit address */
530           u_int16_t echo_size; /* size of echo data in bytes */
531 /*        u_int8_t  echo_data[] -- echo data */
532 } ng_l2cap_l2ca_ping_ip;
533 
534 /* L2CAP -> Upper */
535 typedef struct {
536           u_int16_t result;    /* 0x00 - success */
537           bdaddr_t  bdaddr;    /* remote unit address */
538           u_int16_t echo_size; /* size of echo data in bytes */
539 /*        u_int8_t  echo_data[] -- echo data */
540 } ng_l2cap_l2ca_ping_op;
541 
542 /* L2CA_GetInfo */
543 #define NGM_L2CAP_L2CA_GET_INFO                   0x90
544 /* Upper -> L2CAP */
545 typedef struct {
546           bdaddr_t  bdaddr;      /* remote unit address */
547           u_int16_t info_type; /* info type */
548 } ng_l2cap_l2ca_get_info_ip;
549 
550 /* L2CAP -> Upper */
551 typedef struct {
552           u_int16_t result;    /* 0x00 - success */
553           u_int16_t info_size; /* size of info data in bytes */
554 /*        u_int8_t  info_data[] -- info data */
555 } ng_l2cap_l2ca_get_info_op;
556 
557 /* L2CA_EnableCLT/L2CA_DisableCLT */
558 #define NGM_L2CAP_L2CA_ENABLE_CLT       0x91
559 /* Upper -> L2CAP */
560 typedef struct {
561           u_int16_t psm;    /* Protocol/Service Multiplexor */
562           u_int16_t enable; /* 0x00 - disable */
563 } ng_l2cap_l2ca_enable_clt_ip;
564 
565 #if 0
566 /* L2CAP -> Upper */
567  * typedef struct {
568  *        u_int16_t result; /* 0x00 - success */
569  * } ng_l2cap_l2ca_enable_clt_op;
570 #endif
571 
572 /**************************************************************************
573  **************************************************************************
574  **                          L2CAP node messages
575  **************************************************************************
576  **************************************************************************/
577 
578 /* L2CAP connection states */
579 #define NG_L2CAP_CON_CLOSED             0         /* connection closed */
580 #define NG_L2CAP_W4_LP_CON_CFM                    1         /* waiting... */
581 #define NG_L2CAP_CON_OPEN               2         /* connection open */
582 
583 /* L2CAP channel states */
584 #define NG_L2CAP_CLOSED                           0         /* channel closed */
585 #define NG_L2CAP_W4_L2CAP_CON_RSP       1         /* wait for L2CAP resp. */
586 #define NG_L2CAP_W4_L2CA_CON_RSP        2         /* wait for upper resp. */
587 #define NG_L2CAP_CONFIG                           3         /* L2CAP configuration */
588 #define NG_L2CAP_OPEN                             4         /* channel open */
589 #define NG_L2CAP_W4_L2CAP_DISCON_RSP    5         /* wait for L2CAP discon. */
590 #define NG_L2CAP_W4_L2CA_DISCON_RSP     6         /* wait for upper discon. */
591 
592 /* Node flags */
593 #define NG_L2CAP_CLT_SDP_DISABLED       (1 << 0)      /* disable SDP CLT */
594 #define NG_L2CAP_CLT_RFCOMM_DISABLED    (1 << 1)      /* disable RFCOMM CLT */
595 #define NG_L2CAP_CLT_TCP_DISABLED       (1 << 2)      /* disable TCP CLT */
596 
597 /* Debug levels */
598 #define NG_L2CAP_ALERT_LEVEL            1
599 #define NG_L2CAP_ERR_LEVEL              2
600 #define NG_L2CAP_WARN_LEVEL             3
601 #define NG_L2CAP_INFO_LEVEL             4
602 
603 /* Get node flags (see flags above) */
604 #define   NGM_L2CAP_NODE_GET_FLAGS      0x400     /* L2CAP -> User */
605 typedef u_int16_t   ng_l2cap_node_flags_ep;
606 
607 /* Get/Set debug level (see levels above) */
608 #define   NGM_L2CAP_NODE_GET_DEBUG      0x401     /* L2CAP -> User */
609 #define   NGM_L2CAP_NODE_SET_DEBUG      0x402     /* User -> L2CAP */
610 typedef u_int16_t   ng_l2cap_node_debug_ep;
611 
612 #define NGM_L2CAP_NODE_HOOK_INFO        0x409     /* L2CAP -> Upper */
613 /* bdaddr_t bdaddr; -- local (source BDADDR) */
614 
615 #define NGM_L2CAP_NODE_GET_CON_LIST     0x40a     /* L2CAP -> User */
616 typedef struct {
617           u_int32_t num_connections; /* number of connections */
618 } ng_l2cap_node_con_list_ep;
619 
620 /* Connection flags */
621 #define NG_L2CAP_CON_TX                           (1 << 0) /* sending data */
622 #define NG_L2CAP_CON_RX                           (1 << 1) /* receiving data */
623 #define NG_L2CAP_CON_OUTGOING           (1 << 2) /* outgoing connection */
624 #define NG_L2CAP_CON_LP_TIMO            (1 << 3) /* LP timeout */
625 #define NG_L2CAP_CON_AUTO_DISCON_TIMO   (1 << 4) /* auto discon. timeout */
626 #define NG_L2CAP_CON_DYING              (1 << 5) /* connection is dying */
627 
628 typedef struct {
629           u_int8_t  state;      /* connection state */
630           u_int8_t  flags;      /* flags */
631           int16_t             pending;    /* num. pending packets */
632           u_int16_t con_handle; /* connection handle */
633           bdaddr_t  remote;     /* remote bdaddr */
634 } ng_l2cap_node_con_ep;
635 
636 #define NG_L2CAP_MAX_CON_NUM \
637           ((0xffff - sizeof(ng_l2cap_node_con_list_ep))/sizeof(ng_l2cap_node_con_ep))
638 
639 #define NGM_L2CAP_NODE_GET_CHAN_LIST    0x40b     /* L2CAP -> User */
640 typedef struct {
641           u_int32_t num_channels;       /* number of channels */
642 } ng_l2cap_node_chan_list_ep;
643 
644 typedef struct {
645           u_int32_t state;              /* channel state */
646 
647           u_int16_t scid;               /* source (local) channel ID */
648           u_int16_t dcid;               /* destination (remote) channel ID */
649 
650           u_int16_t imtu;               /* incomming MTU */
651           u_int16_t omtu;               /* outgoing MTU */
652 
653           u_int16_t psm;                /* PSM */
654           bdaddr_t  remote;             /* remote bdaddr */
655 } ng_l2cap_node_chan_ep;
656 
657 #define NG_L2CAP_MAX_CHAN_NUM \
658           ((0xffff - sizeof(ng_l2cap_node_chan_list_ep))/sizeof(ng_l2cap_node_chan_ep))
659 
660 #define NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO 0x40c /* L2CAP -> User */
661 #define NGM_L2CAP_NODE_SET_AUTO_DISCON_TIMO 0x40d /* User -> L2CAP */
662 typedef u_int16_t   ng_l2cap_node_auto_discon_ep;
663 
664 #endif /* ndef _NETGRAPH_L2CAP_H_ */
665 
666