1 /* 2 * ng_l2cap.h 3 */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7 * 8 * Copyright (c) Maksim Yevmenkin <m_evmenkin@yahoo.com> 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: ng_l2cap.h,v 1.2 2003/04/27 00:52:26 max Exp $ 33 * $FreeBSD$ 34 */ 35 36 /* 37 * This file contains everything that application needs to know about 38 * Link Layer Control and Adaptation Protocol (L2CAP). All information 39 * was obtained from Bluetooth Specification Book v1.1. 40 * 41 * This file can be included by both kernel and userland applications. 42 */ 43 44 #ifndef _NETGRAPH_L2CAP_H_ 45 #define _NETGRAPH_L2CAP_H_ 46 47 /************************************************************************** 48 ************************************************************************** 49 ** Netgraph node hook name, type name and type cookie and commands 50 ************************************************************************** 51 **************************************************************************/ 52 53 /* Netgraph node hook names */ 54 #define NG_L2CAP_HOOK_HCI "hci" /* HCI <-> L2CAP */ 55 #define NG_L2CAP_HOOK_L2C "l2c" /* L2CAP <-> Upper */ 56 #define NG_L2CAP_HOOK_CTL "ctl" /* L2CAP <-> User */ 57 58 /* Node type name and type cookie */ 59 #define NG_L2CAP_NODE_TYPE "l2cap" 60 #define NGM_L2CAP_COOKIE 1000774185 61 62 /************************************************************************** 63 ************************************************************************** 64 ** Common defines and types (L2CAP) 65 ************************************************************************** 66 **************************************************************************/ 67 68 /* 69 * Channel IDs are assigned relative to the instance of L2CAP node, i.e. 70 * relative to the unit. So the total number of channels that unit can have 71 * open at the same time is 0xffff - 0x0040 = 0xffbf (65471). This number 72 * does not depend on number of connections. 73 */ 74 75 #define NG_L2CAP_NULL_CID 0x0000 /* DO NOT USE THIS CID */ 76 #define NG_L2CAP_SIGNAL_CID 0x0001 /* signaling channel ID */ 77 #define NG_L2CAP_CLT_CID 0x0002 /* connectionless channel ID */ 78 #define NG_L2CAP_A2MP_CID 0x0003 79 #define NG_L2CAP_ATT_CID 0x0004 80 #define NG_L2CAP_LESIGNAL_CID 0x0005 81 #define NG_L2CAP_SMP_CID 0x0006 82 /* 0x0007 - 0x003f Reserved */ 83 #define NG_L2CAP_FIRST_CID 0x0040 /* dynamically alloc. (start) */ 84 #define NG_L2CAP_LAST_CID 0xffff /* dynamically alloc. (end) */ 85 #define NG_L2CAP_LELAST_CID 0x007f 86 87 /* L2CAP MTU */ 88 #define NG_L2CAP_MTU_LE_MINIMAM 23 89 #define NG_L2CAP_MTU_MINIMUM 48 90 #define NG_L2CAP_MTU_DEFAULT 672 91 #define NG_L2CAP_MTU_MAXIMUM 0xffff 92 93 /* L2CAP flush and link timeouts */ 94 #define NG_L2CAP_FLUSH_TIMO_DEFAULT 0xffff /* always retransmit */ 95 #define NG_L2CAP_LINK_TIMO_DEFAULT 0xffff 96 97 /* L2CAP Command Reject reasons */ 98 #define NG_L2CAP_REJ_NOT_UNDERSTOOD 0x0000 99 #define NG_L2CAP_REJ_MTU_EXCEEDED 0x0001 100 #define NG_L2CAP_REJ_INVALID_CID 0x0002 101 /* 0x0003 - 0xffff - reserved for future use */ 102 103 /* Protocol/Service Multioplexor (PSM) values */ 104 #define NG_L2CAP_PSM_ANY 0x0000 /* Any/Invalid PSM */ 105 #define NG_L2CAP_PSM_SDP 0x0001 /* Service Discovery Protocol */ 106 #define NG_L2CAP_PSM_RFCOMM 0x0003 /* RFCOMM protocol */ 107 #define NG_L2CAP_PSM_TCP 0x0005 /* Telephony Control Protocol */ 108 /* 0x0006 - 0x1000 - reserved for future use */ 109 110 /* L2CAP Connection response command result codes */ 111 #define NG_L2CAP_SUCCESS 0x0000 112 #define NG_L2CAP_PENDING 0x0001 113 #define NG_L2CAP_PSM_NOT_SUPPORTED 0x0002 114 #define NG_L2CAP_SEQUIRY_BLOCK 0x0003 115 #define NG_L2CAP_NO_RESOURCES 0x0004 116 #define NG_L2CAP_TIMEOUT 0xeeee 117 #define NG_L2CAP_UNKNOWN 0xffff 118 /* 0x0005 - 0xffff - reserved for future use */ 119 120 /* L2CAP Connection response status codes */ 121 #define NG_L2CAP_NO_INFO 0x0000 122 #define NG_L2CAP_AUTH_PENDING 0x0001 123 #define NG_L2CAP_AUTZ_PENDING 0x0002 124 /* 0x0003 - 0xffff - reserved for future use */ 125 126 /* L2CAP Configuration response result codes */ 127 #define NG_L2CAP_UNACCEPTABLE_PARAMS 0x0001 128 #define NG_L2CAP_REJECT 0x0002 129 #define NG_L2CAP_UNKNOWN_OPTION 0x0003 130 /* 0x0003 - 0xffff - reserved for future use */ 131 132 /* L2CAP Configuration options */ 133 #define NG_L2CAP_OPT_CFLAG_BIT 0x0001 134 #define NG_L2CAP_OPT_CFLAG(flags) ((flags) & NG_L2CAP_OPT_CFLAG_BIT) 135 #define NG_L2CAP_OPT_HINT_BIT 0x80 136 #define NG_L2CAP_OPT_HINT(type) ((type) & NG_L2CAP_OPT_HINT_BIT) 137 #define NG_L2CAP_OPT_HINT_MASK 0x7f 138 #define NG_L2CAP_OPT_MTU 0x01 139 #define NG_L2CAP_OPT_MTU_SIZE sizeof(u_int16_t) 140 #define NG_L2CAP_OPT_FLUSH_TIMO 0x02 141 #define NG_L2CAP_OPT_FLUSH_TIMO_SIZE sizeof(u_int16_t) 142 #define NG_L2CAP_OPT_QOS 0x03 143 #define NG_L2CAP_OPT_QOS_SIZE sizeof(ng_l2cap_flow_t) 144 /* 0x4 - 0xff - reserved for future use */ 145 146 /* L2CAP Information request type codes */ 147 #define NG_L2CAP_CONNLESS_MTU 0x0001 148 /* 0x0002 - 0xffff - reserved for future use */ 149 150 /* L2CAP Information response codes */ 151 #define NG_L2CAP_NOT_SUPPORTED 0x0001 152 /* 0x0002 - 0xffff - reserved for future use */ 153 154 /* L2CAP flow control */ 155 typedef struct { 156 u_int8_t flags; /* reserved for future use */ 157 u_int8_t service_type; /* service type */ 158 u_int32_t token_rate; /* bytes per second */ 159 u_int32_t token_bucket_size; /* bytes */ 160 u_int32_t peak_bandwidth; /* bytes per second */ 161 u_int32_t latency; /* microseconds */ 162 u_int32_t delay_variation; /* microseconds */ 163 } __attribute__ ((packed)) ng_l2cap_flow_t; 164 typedef ng_l2cap_flow_t * ng_l2cap_flow_p; 165 166 /************************************************************************** 167 ************************************************************************** 168 ** Link level defines, headers and types 169 ************************************************************************** 170 **************************************************************************/ 171 172 /* L2CAP header */ 173 typedef struct { 174 u_int16_t length; /* payload size */ 175 u_int16_t dcid; /* destination channel ID */ 176 } __attribute__ ((packed)) ng_l2cap_hdr_t; 177 178 /* L2CAP ConnectionLess Traffic (CLT) (if destination cid == 0x2) */ 179 typedef struct { 180 u_int16_t psm; /* Protocol/Service Multiplexor */ 181 } __attribute__ ((packed)) ng_l2cap_clt_hdr_t; 182 183 #define NG_L2CAP_CLT_MTU_MAXIMUM \ 184 (NG_L2CAP_MTU_MAXIMUM - sizeof(ng_l2cap_clt_hdr_t)) 185 186 /* L2CAP command header */ 187 typedef struct { 188 u_int8_t code; /* command OpCode */ 189 u_int8_t ident; /* identifier to match request and response */ 190 u_int16_t length; /* command parameters length */ 191 } __attribute__ ((packed)) ng_l2cap_cmd_hdr_t; 192 193 /* L2CAP Command Reject */ 194 #define NG_L2CAP_CMD_REJ 0x01 195 typedef struct { 196 u_int16_t reason; /* reason to reject command */ 197 /* u_int8_t data[]; -- optional data (depends on reason) */ 198 } __attribute__ ((packed)) ng_l2cap_cmd_rej_cp; 199 200 /* CommandReject data */ 201 typedef union { 202 /* NG_L2CAP_REJ_MTU_EXCEEDED */ 203 struct { 204 u_int16_t mtu; /* actual signaling MTU */ 205 } __attribute__ ((packed)) mtu; 206 /* NG_L2CAP_REJ_INVALID_CID */ 207 struct { 208 u_int16_t scid; /* local CID */ 209 u_int16_t dcid; /* remote CID */ 210 } __attribute__ ((packed)) cid; 211 } ng_l2cap_cmd_rej_data_t; 212 typedef ng_l2cap_cmd_rej_data_t * ng_l2cap_cmd_rej_data_p; 213 214 /* L2CAP Connection Request */ 215 #define NG_L2CAP_CON_REQ 0x02 216 typedef struct { 217 u_int16_t psm; /* Protocol/Service Multiplexor (PSM) */ 218 u_int16_t scid; /* source channel ID */ 219 } __attribute__ ((packed)) ng_l2cap_con_req_cp; 220 221 /* L2CAP Connection Response */ 222 #define NG_L2CAP_CON_RSP 0x03 223 typedef struct { 224 u_int16_t dcid; /* destination channel ID */ 225 u_int16_t scid; /* source channel ID */ 226 u_int16_t result; /* 0x00 - success */ 227 u_int16_t status; /* more info if result != 0x00 */ 228 } __attribute__ ((packed)) ng_l2cap_con_rsp_cp; 229 230 /* L2CAP Configuration Request */ 231 #define NG_L2CAP_CFG_REQ 0x04 232 typedef struct { 233 u_int16_t dcid; /* destination channel ID */ 234 u_int16_t flags; /* flags */ 235 /* u_int8_t options[] -- options */ 236 } __attribute__ ((packed)) ng_l2cap_cfg_req_cp; 237 238 /* L2CAP Configuration Response */ 239 #define NG_L2CAP_CFG_RSP 0x05 240 typedef struct { 241 u_int16_t scid; /* source channel ID */ 242 u_int16_t flags; /* flags */ 243 u_int16_t result; /* 0x00 - success */ 244 /* u_int8_t options[] -- options */ 245 } __attribute__ ((packed)) ng_l2cap_cfg_rsp_cp; 246 247 /* L2CAP configuration option */ 248 typedef struct { 249 u_int8_t type; 250 u_int8_t length; 251 /* u_int8_t value[] -- option value (depends on type) */ 252 } __attribute__ ((packed)) ng_l2cap_cfg_opt_t; 253 typedef ng_l2cap_cfg_opt_t * ng_l2cap_cfg_opt_p; 254 255 /* L2CAP configuration option value */ 256 typedef union { 257 u_int16_t mtu; /* NG_L2CAP_OPT_MTU */ 258 u_int16_t flush_timo; /* NG_L2CAP_OPT_FLUSH_TIMO */ 259 ng_l2cap_flow_t flow; /* NG_L2CAP_OPT_QOS */ 260 uint16_t encryption; 261 } ng_l2cap_cfg_opt_val_t; 262 typedef ng_l2cap_cfg_opt_val_t * ng_l2cap_cfg_opt_val_p; 263 264 /* L2CAP Disconnect Request */ 265 #define NG_L2CAP_DISCON_REQ 0x06 266 typedef struct { 267 u_int16_t dcid; /* destination channel ID */ 268 u_int16_t scid; /* source channel ID */ 269 } __attribute__ ((packed)) ng_l2cap_discon_req_cp; 270 271 /* L2CAP Disconnect Response */ 272 #define NG_L2CAP_DISCON_RSP 0x07 273 typedef ng_l2cap_discon_req_cp ng_l2cap_discon_rsp_cp; 274 275 /* L2CAP Echo Request */ 276 #define NG_L2CAP_ECHO_REQ 0x08 277 /* No command parameters, only optional data */ 278 279 /* L2CAP Echo Response */ 280 #define NG_L2CAP_ECHO_RSP 0x09 281 #define NG_L2CAP_MAX_ECHO_SIZE \ 282 (NG_L2CAP_MTU_MAXIMUM - sizeof(ng_l2cap_cmd_hdr_t)) 283 /* No command parameters, only optional data */ 284 285 /* L2CAP Information Request */ 286 #define NG_L2CAP_INFO_REQ 0x0a 287 typedef struct { 288 u_int16_t type; /* requested information type */ 289 } __attribute__ ((packed)) ng_l2cap_info_req_cp; 290 291 /* L2CAP Information Response */ 292 #define NG_L2CAP_INFO_RSP 0x0b 293 typedef struct { 294 u_int16_t type; /* requested information type */ 295 u_int16_t result; /* 0x00 - success */ 296 /* u_int8_t info[] -- info data (depends on type) 297 * 298 * NG_L2CAP_CONNLESS_MTU - 2 bytes connectionless MTU 299 */ 300 } __attribute__ ((packed)) ng_l2cap_info_rsp_cp; 301 typedef union { 302 /* NG_L2CAP_CONNLESS_MTU */ 303 struct { 304 u_int16_t mtu; 305 } __attribute__ ((packed)) mtu; 306 } ng_l2cap_info_rsp_data_t; 307 typedef ng_l2cap_info_rsp_data_t * ng_l2cap_info_rsp_data_p; 308 309 #define NG_L2CAP_CMD_PARAM_UPDATE_REQUEST 0x12 310 311 typedef struct { 312 uint16_t interval_min; 313 uint16_t interval_max; 314 uint16_t slave_latency; 315 uint16_t timeout_mpl; 316 } __attribute__ ((packed)) ng_l2cap_param_update_req_cp; 317 318 #define NG_L2CAP_CMD_PARAM_UPDATE_RESPONSE 0x13 319 #define NG_L2CAP_UPDATE_PARAM_ACCEPT 0 320 #define NG_L2CAP_UPDATE_PARAM_REJECT 1 321 322 //typedef uint16_t update_response; 323 /************************************************************************** 324 ************************************************************************** 325 ** Upper layer protocol interface. L2CA_xxx messages 326 ************************************************************************** 327 **************************************************************************/ 328 329 /* 330 * NOTE! NOTE! NOTE! 331 * 332 * Bluetooth specification says that L2CA_xxx request must block until 333 * response is ready. We are not allowed to block in Netgraph, so we 334 * need to queue request and save some information that can be used 335 * later and help match request and response. 336 * 337 * The idea is to use "token" field from Netgraph message header. The 338 * upper layer protocol _MUST_ populate "token". L2CAP will queue request 339 * (using L2CAP command descriptor) and start processing. Later, when 340 * response is ready or timeout has occur L2CAP layer will create new 341 * Netgraph message, set "token" and RESP flag and send the message to 342 * the upper layer protocol. 343 * 344 * L2CA_xxx_Ind messages _WILL_NOT_ populate "token" and _WILL_NOT_ 345 * set RESP flag. There is no reason for this, because they are just 346 * notifications and do not require acknowlegment. 347 * 348 * NOTE: This is _NOT_ what NG_MKRESPONSE and NG_RESPOND_MSG do, however 349 * it is somewhat similar. 350 */ 351 352 /* L2CA data packet header */ 353 typedef struct { 354 u_int32_t token; /* token to use in L2CAP_L2CA_WRITE */ 355 u_int16_t length; /* length of the data */ 356 u_int16_t lcid; /* local channel ID */ 357 uint16_t idtype; 358 } __attribute__ ((packed)) ng_l2cap_l2ca_hdr_t; 359 #define NG_L2CAP_L2CA_IDTYPE_BREDR 0 360 #define NG_L2CAP_L2CA_IDTYPE_ATT 1 361 #define NG_L2CAP_L2CA_IDTYPE_LE 2 362 #define NG_L2CAP_L2CA_IDTYPE_SMP 3 363 /* L2CA_Connect */ 364 #define NGM_L2CAP_L2CA_CON 0x80 365 /* Upper -> L2CAP */ 366 typedef struct { 367 u_int16_t psm; /* Protocol/Service Multiplexor */ 368 bdaddr_t bdaddr; /* remote unit address */ 369 uint8_t linktype; 370 uint8_t idtype; 371 } ng_l2cap_l2ca_con_ip; 372 373 /* L2CAP -> Upper */ 374 typedef struct { 375 u_int16_t lcid; /* local channel ID */ 376 uint16_t idtype; /*ID type*/ 377 u_int16_t result; /* 0x00 - success */ 378 u_int16_t status; /* if result != 0x00 */ 379 uint8_t encryption; 380 } ng_l2cap_l2ca_con_op; 381 382 /* L2CA_ConnectInd */ 383 #define NGM_L2CAP_L2CA_CON_IND 0x81 384 /* L2CAP -> Upper */ 385 typedef struct { 386 bdaddr_t bdaddr; /* remote unit address */ 387 u_int16_t lcid; /* local channel ID */ 388 u_int16_t psm; /* Procotol/Service Multiplexor */ 389 u_int8_t ident; /* identifier */ 390 u_int8_t linktype; /* link type*/ 391 } ng_l2cap_l2ca_con_ind_ip; 392 /* No output parameters */ 393 394 /* L2CA_ConnectRsp */ 395 #define NGM_L2CAP_L2CA_CON_RSP 0x82 396 /* Upper -> L2CAP */ 397 typedef struct { 398 bdaddr_t bdaddr; /* remote unit address */ 399 u_int8_t ident; /* "ident" from L2CAP_ConnectInd event */ 400 u_int8_t linktype; /*link type */ 401 u_int16_t lcid; /* local channel ID */ 402 u_int16_t result; /* 0x00 - success */ 403 u_int16_t status; /* if response != 0x00 */ 404 } ng_l2cap_l2ca_con_rsp_ip; 405 406 /* L2CAP -> Upper */ 407 typedef struct { 408 u_int16_t result; /* 0x00 - success */ 409 } ng_l2cap_l2ca_con_rsp_op; 410 411 /* L2CA_Config */ 412 #define NGM_L2CAP_L2CA_CFG 0x83 413 /* Upper -> L2CAP */ 414 typedef struct { 415 u_int16_t lcid; /* local channel ID */ 416 u_int16_t imtu; /* receiving MTU for the local channel */ 417 ng_l2cap_flow_t oflow; /* out flow */ 418 u_int16_t flush_timo; /* flush timeout (msec) */ 419 u_int16_t link_timo; /* link timeout (msec) */ 420 } ng_l2cap_l2ca_cfg_ip; 421 422 /* L2CAP -> Upper */ 423 typedef struct { 424 u_int16_t result; /* 0x00 - success */ 425 u_int16_t imtu; /* sending MTU for the remote channel */ 426 ng_l2cap_flow_t oflow; /* out flow */ 427 u_int16_t flush_timo; /* flush timeout (msec) */ 428 } ng_l2cap_l2ca_cfg_op; 429 430 /* L2CA_ConfigRsp */ 431 #define NGM_L2CAP_L2CA_CFG_RSP 0x84 432 /* Upper -> L2CAP */ 433 typedef struct { 434 u_int16_t lcid; /* local channel ID */ 435 u_int16_t omtu; /* sending MTU for the local channel */ 436 ng_l2cap_flow_t iflow; /* in FLOW */ 437 } ng_l2cap_l2ca_cfg_rsp_ip; 438 439 /* L2CAP -> Upper */ 440 typedef struct { 441 u_int16_t result; /* 0x00 - sucsess */ 442 } ng_l2cap_l2ca_cfg_rsp_op; 443 444 /* L2CA_ConfigInd */ 445 #define NGM_L2CAP_L2CA_CFG_IND 0x85 446 /* L2CAP -> Upper */ 447 typedef struct { 448 u_int16_t lcid; /* local channel ID */ 449 u_int16_t omtu; /* outgoing MTU for the local channel */ 450 ng_l2cap_flow_t iflow; /* in flow */ 451 u_int16_t flush_timo; /* flush timeout (msec) */ 452 } ng_l2cap_l2ca_cfg_ind_ip; 453 /* No output parameters */ 454 455 /* L2CA_QoSViolationInd */ 456 #define NGM_L2CAP_L2CA_QOS_IND 0x86 457 /* L2CAP -> Upper */ 458 typedef struct { 459 bdaddr_t bdaddr; /* remote unit address */ 460 } ng_l2cap_l2ca_qos_ind_ip; 461 /* No output parameters */ 462 463 /* L2CA_Disconnect */ 464 #define NGM_L2CAP_L2CA_DISCON 0x87 465 /* Upper -> L2CAP */ 466 typedef struct { 467 u_int16_t lcid; /* local channel ID */ 468 u_int16_t idtype; 469 } ng_l2cap_l2ca_discon_ip; 470 471 /* L2CAP -> Upper */ 472 typedef struct { 473 u_int16_t result; /* 0x00 - sucsess */ 474 } ng_l2cap_l2ca_discon_op; 475 476 /* L2CA_DisconnectInd */ 477 #define NGM_L2CAP_L2CA_DISCON_IND 0x88 478 /* L2CAP -> Upper */ 479 typedef ng_l2cap_l2ca_discon_ip ng_l2cap_l2ca_discon_ind_ip; 480 /* No output parameters */ 481 482 /* L2CA_Write response */ 483 #define NGM_L2CAP_L2CA_WRITE 0x89 484 /* No input parameters */ 485 486 /* L2CAP -> Upper */ 487 typedef struct { 488 int result; /* result (0x00 - success) */ 489 u_int16_t length; /* amount of data written */ 490 u_int16_t lcid; /* local channel ID */ 491 uint16_t idtype; 492 } ng_l2cap_l2ca_write_op; 493 494 /* L2CA_GroupCreate */ 495 #define NGM_L2CAP_L2CA_GRP_CREATE 0x8a 496 /* Upper -> L2CAP */ 497 typedef struct { 498 u_int16_t psm; /* Protocol/Service Multiplexor */ 499 } ng_l2cap_l2ca_grp_create_ip; 500 501 /* L2CAP -> Upper */ 502 typedef struct { 503 u_int16_t lcid; /* local group channel ID */ 504 } ng_l2cap_l2ca_grp_create_op; 505 506 /* L2CA_GroupClose */ 507 #define NGM_L2CAP_L2CA_GRP_CLOSE 0x8b 508 /* Upper -> L2CAP */ 509 typedef struct { 510 u_int16_t lcid; /* local group channel ID */ 511 } ng_l2cap_l2ca_grp_close_ip; 512 513 #if 0 514 /* L2CAP -> Upper */ 515 * typedef struct { 516 * u_int16_t result; /* 0x00 - success */ 517 * } ng_l2cap_l2ca_grp_close_op; 518 #endif 519 520 /* L2CA_GroupAddMember */ 521 #define NGM_L2CAP_L2CA_GRP_ADD_MEMBER 0x8c 522 /* Upper -> L2CAP */ 523 typedef struct { 524 u_int16_t lcid; /* local group channel ID */ 525 bdaddr_t bdaddr; /* remote unit address */ 526 } ng_l2cap_l2ca_grp_add_member_ip; 527 528 /* L2CAP -> Upper */ 529 typedef struct { 530 u_int16_t result; /* 0x00 - success */ 531 } ng_l2cap_l2ca_grp_add_member_op; 532 533 /* L2CA_GroupRemoveMember */ 534 #define NGM_L2CAP_L2CA_GRP_REM_MEMBER 0x8d 535 /* Upper -> L2CAP */ 536 typedef ng_l2cap_l2ca_grp_add_member_ip ng_l2cap_l2ca_grp_rem_member_ip; 537 538 /* L2CAP -> Upper */ 539 #if 0 540 * typedef ng_l2cap_l2ca_grp_add_member_op ng_l2cap_l2ca_grp_rem_member_op; 541 #endif 542 543 /* L2CA_GroupMembeship */ 544 #define NGM_L2CAP_L2CA_GRP_MEMBERSHIP 0x8e 545 /* Upper -> L2CAP */ 546 typedef struct { 547 u_int16_t lcid; /* local group channel ID */ 548 } ng_l2cap_l2ca_grp_get_members_ip; 549 550 /* L2CAP -> Upper */ 551 typedef struct { 552 u_int16_t result; /* 0x00 - success */ 553 u_int16_t nmembers; /* number of group members */ 554 /* bdaddr_t members[] -- group memebers */ 555 } ng_l2cap_l2ca_grp_get_members_op; 556 557 /* L2CA_Ping */ 558 #define NGM_L2CAP_L2CA_PING 0x8f 559 /* Upper -> L2CAP */ 560 typedef struct { 561 bdaddr_t bdaddr; /* remote unit address */ 562 u_int16_t echo_size; /* size of echo data in bytes */ 563 /* u_int8_t echo_data[] -- echo data */ 564 } ng_l2cap_l2ca_ping_ip; 565 566 /* L2CAP -> Upper */ 567 typedef struct { 568 u_int16_t result; /* 0x00 - success */ 569 bdaddr_t bdaddr; /* remote unit address */ 570 u_int16_t echo_size; /* size of echo data in bytes */ 571 /* u_int8_t echo_data[] -- echo data */ 572 } ng_l2cap_l2ca_ping_op; 573 574 /* L2CA_GetInfo */ 575 #define NGM_L2CAP_L2CA_GET_INFO 0x90 576 /* Upper -> L2CAP */ 577 typedef struct { 578 bdaddr_t bdaddr; /* remote unit address */ 579 u_int16_t info_type; /* info type */ 580 uint8_t linktype; 581 uint8_t unused; 582 } ng_l2cap_l2ca_get_info_ip; 583 584 /* L2CAP -> Upper */ 585 typedef struct { 586 u_int16_t result; /* 0x00 - success */ 587 u_int16_t info_size; /* size of info data in bytes */ 588 /* u_int8_t info_data[] -- info data */ 589 } ng_l2cap_l2ca_get_info_op; 590 591 /* L2CA_EnableCLT/L2CA_DisableCLT */ 592 #define NGM_L2CAP_L2CA_ENABLE_CLT 0x91 593 /* Upper -> L2CAP */ 594 typedef struct { 595 u_int16_t psm; /* Protocol/Service Multiplexor */ 596 u_int16_t enable; /* 0x00 - disable */ 597 } ng_l2cap_l2ca_enable_clt_ip; 598 599 #if 0 600 /* L2CAP -> Upper */ 601 * typedef struct { 602 * u_int16_t result; /* 0x00 - success */ 603 * } ng_l2cap_l2ca_enable_clt_op; 604 #endif 605 #define NGM_L2CAP_L2CA_ENC_CHANGE 0x92 606 typedef struct { 607 uint16_t lcid; 608 uint16_t result; 609 uint8_t idtype; 610 } ng_l2cap_l2ca_enc_chg_op; 611 612 /************************************************************************** 613 ************************************************************************** 614 ** L2CAP node messages 615 ************************************************************************** 616 **************************************************************************/ 617 618 /* L2CAP connection states */ 619 #define NG_L2CAP_CON_CLOSED 0 /* connection closed */ 620 #define NG_L2CAP_W4_LP_CON_CFM 1 /* waiting... */ 621 #define NG_L2CAP_CON_OPEN 2 /* connection open */ 622 623 /* L2CAP channel states */ 624 #define NG_L2CAP_CLOSED 0 /* channel closed */ 625 #define NG_L2CAP_W4_L2CAP_CON_RSP 1 /* wait for L2CAP resp. */ 626 #define NG_L2CAP_W4_L2CA_CON_RSP 2 /* wait for upper resp. */ 627 #define NG_L2CAP_CONFIG 3 /* L2CAP configuration */ 628 #define NG_L2CAP_OPEN 4 /* channel open */ 629 #define NG_L2CAP_W4_L2CAP_DISCON_RSP 5 /* wait for L2CAP discon. */ 630 #define NG_L2CAP_W4_L2CA_DISCON_RSP 6 /* wait for upper discon. */ 631 632 /* Node flags */ 633 #define NG_L2CAP_CLT_SDP_DISABLED (1 << 0) /* disable SDP CLT */ 634 #define NG_L2CAP_CLT_RFCOMM_DISABLED (1 << 1) /* disable RFCOMM CLT */ 635 #define NG_L2CAP_CLT_TCP_DISABLED (1 << 2) /* disable TCP CLT */ 636 637 /* Debug levels */ 638 #define NG_L2CAP_ALERT_LEVEL 1 639 #define NG_L2CAP_ERR_LEVEL 2 640 #define NG_L2CAP_WARN_LEVEL 3 641 #define NG_L2CAP_INFO_LEVEL 4 642 643 /* Get node flags (see flags above) */ 644 #define NGM_L2CAP_NODE_GET_FLAGS 0x400 /* L2CAP -> User */ 645 typedef u_int16_t ng_l2cap_node_flags_ep; 646 647 /* Get/Set debug level (see levels above) */ 648 #define NGM_L2CAP_NODE_GET_DEBUG 0x401 /* L2CAP -> User */ 649 #define NGM_L2CAP_NODE_SET_DEBUG 0x402 /* User -> L2CAP */ 650 typedef u_int16_t ng_l2cap_node_debug_ep; 651 652 #define NGM_L2CAP_NODE_HOOK_INFO 0x409 /* L2CAP -> Upper */ 653 typedef struct { 654 bdaddr_t addr; 655 }ng_l2cap_node_hook_info_ep; 656 657 #define NGM_L2CAP_NODE_GET_CON_LIST 0x40a /* L2CAP -> User */ 658 typedef struct { 659 u_int32_t num_connections; /* number of connections */ 660 } ng_l2cap_node_con_list_ep; 661 662 /* Connection flags */ 663 #define NG_L2CAP_CON_TX (1 << 0) /* sending data */ 664 #define NG_L2CAP_CON_RX (1 << 1) /* receiving data */ 665 #define NG_L2CAP_CON_OUTGOING (1 << 2) /* outgoing connection */ 666 #define NG_L2CAP_CON_LP_TIMO (1 << 3) /* LP timeout */ 667 #define NG_L2CAP_CON_AUTO_DISCON_TIMO (1 << 4) /* auto discon. timeout */ 668 #define NG_L2CAP_CON_DYING (1 << 5) /* connection is dying */ 669 670 typedef struct { 671 u_int8_t state; /* connection state */ 672 u_int8_t flags; /* flags */ 673 int16_t pending; /* num. pending packets */ 674 u_int16_t con_handle; /* connection handle */ 675 bdaddr_t remote; /* remote bdaddr */ 676 } ng_l2cap_node_con_ep; 677 678 #define NG_L2CAP_MAX_CON_NUM \ 679 ((0xffff - sizeof(ng_l2cap_node_con_list_ep))/sizeof(ng_l2cap_node_con_ep)) 680 681 #define NGM_L2CAP_NODE_GET_CHAN_LIST 0x40b /* L2CAP -> User */ 682 typedef struct { 683 u_int32_t num_channels; /* number of channels */ 684 } ng_l2cap_node_chan_list_ep; 685 686 typedef struct { 687 u_int32_t state; /* channel state */ 688 689 u_int16_t scid; /* source (local) channel ID */ 690 u_int16_t dcid; /* destination (remote) channel ID */ 691 692 u_int16_t imtu; /* incoming MTU */ 693 u_int16_t omtu; /* outgoing MTU */ 694 695 u_int16_t psm; /* PSM */ 696 bdaddr_t remote; /* remote bdaddr */ 697 } ng_l2cap_node_chan_ep; 698 699 #define NG_L2CAP_MAX_CHAN_NUM \ 700 ((0xffff - sizeof(ng_l2cap_node_chan_list_ep))/sizeof(ng_l2cap_node_chan_ep)) 701 702 #define NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO 0x40c /* L2CAP -> User */ 703 #define NGM_L2CAP_NODE_SET_AUTO_DISCON_TIMO 0x40d /* User -> L2CAP */ 704 typedef u_int16_t ng_l2cap_node_auto_discon_ep; 705 706 #endif /* ndef _NETGRAPH_L2CAP_H_ */ 707