sys/netgraph7/bluetooth/include/ng_l2cap.h

   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