1 /****************************************************************************** 2 * 3 * Copyright (C) 1999-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * this file contains the L2CAP API definitions 22 * 23 ******************************************************************************/ 24 #ifndef L2C_API_H 25 #define L2C_API_H 26 27 #include <stdbool.h> 28 29 #include "common/bt_target.h" 30 #include "stack/l2cdefs.h" 31 #include "stack/hcidefs.h" 32 #include "osi/fixed_queue.h" 33 34 /***************************************************************************** 35 ** Constants 36 *****************************************************************************/ 37 38 /* Define the minimum offset that L2CAP needs in a buffer. This is made up of 39 ** HCI type(1), len(2), handle(2), L2CAP len(2) and CID(2) => 9 40 */ 41 #define L2CAP_MIN_OFFSET 13 /* plus control(2), SDU length(2) */ 42 #define L2CAP_FCS_LEN 2 /* FCS 0 or 2 bytes */ 43 44 /* Minimum offset for broadcast needs another two bytes for the PSM */ 45 #define L2CAP_BCST_MIN_OFFSET 11 46 47 /* ping result codes */ 48 #define L2CAP_PING_RESULT_OK 0 /* Ping reply received OK */ 49 #define L2CAP_PING_RESULT_NO_LINK 1 /* Link could not be setup */ 50 #define L2CAP_PING_RESULT_NO_RESP 2 /* Remote L2CAP did not reply */ 51 52 /* result code for L2CA_DataWrite() */ 53 #define L2CAP_DW_FAILED FALSE 54 #define L2CAP_DW_SUCCESS TRUE 55 #define L2CAP_DW_CONGESTED 2 56 57 /* Values for priority parameter to L2CA_SetAclPriority */ 58 #define L2CAP_PRIORITY_NORMAL 0 59 #define L2CAP_PRIORITY_HIGH 1 60 61 /* Values for priority parameter to L2CA_SetTxPriority */ 62 #define L2CAP_CHNL_PRIORITY_HIGH 0 63 #define L2CAP_CHNL_PRIORITY_MEDIUM 1 64 #define L2CAP_CHNL_PRIORITY_LOW 2 65 66 typedef UINT8 tL2CAP_CHNL_PRIORITY; 67 68 /* Values for Tx/Rx data rate parameter to L2CA_SetChnlDataRate */ 69 #define L2CAP_CHNL_DATA_RATE_HIGH 3 70 #define L2CAP_CHNL_DATA_RATE_MEDIUM 2 71 #define L2CAP_CHNL_DATA_RATE_LOW 1 72 #define L2CAP_CHNL_DATA_RATE_NO_TRAFFIC 0 73 74 typedef UINT8 tL2CAP_CHNL_DATA_RATE; 75 76 /* Data Packet Flags (bits 2-15 are reserved) */ 77 /* layer specific 14-15 bits are used for FCR SAR */ 78 #define L2CAP_FLUSHABLE_MASK 0x0003 79 #define L2CAP_FLUSHABLE_CH_BASED 0x0000 80 #define L2CAP_FLUSHABLE_PKT 0x0001 81 #define L2CAP_NON_FLUSHABLE_PKT 0x0002 82 83 84 /* L2CA_FlushChannel num_to_flush definitions */ 85 #define L2CAP_FLUSH_CHANS_ALL 0xffff 86 #define L2CAP_FLUSH_CHANS_GET 0x0000 87 88 89 /* special CID for Multi-AV for reporting congestion */ 90 #define L2CAP_MULTI_AV_CID 0 91 92 /* length of the HCI header block */ 93 /* HCI header(4) + SNK count(1) + FCR bits(1) + AV data length(2) */ 94 #define L2CAP_MULTI_AV_HCI_HDR_LEN 8 95 96 /* length of padding for 4 bytes align */ 97 #define L2CAP_MULTI_AV_PADDING_LEN 2 98 99 /* length of the HCI header block with padding for FCR */ 100 /* HCI header(4) + SNK count(1) + FCR bits(1) + AV data length(2) + padding(2) */ 101 #define L2CAP_MULTI_AV_HCI_HDR_LEN_WITH_PADDING 10 102 103 /* length of the L2CAP header block */ 104 /* HCI header(4) + L2CAP header(4) + padding(4) or control word(2) + FCS(2) */ 105 #define L2CAP_MULTI_AV_L2C_HDR_LEN 12 106 107 /* definition used for L2CA_SetDesireRole */ 108 #define L2CAP_ROLE_SLAVE HCI_ROLE_SLAVE 109 #define L2CAP_ROLE_MASTER HCI_ROLE_MASTER 110 #define L2CAP_ROLE_ALLOW_SWITCH 0x80 /* set this bit to allow switch at create conn */ 111 #define L2CAP_ROLE_DISALLOW_SWITCH 0x40 /* set this bit to disallow switch at create conn */ 112 #define L2CAP_ROLE_CHECK_SWITCH 0xC0 113 114 115 /* Values for 'allowed_modes' field passed in structure tL2CAP_ERTM_INFO 116 */ 117 #define L2CAP_FCR_CHAN_OPT_BASIC (1 << L2CAP_FCR_BASIC_MODE) 118 #define L2CAP_FCR_CHAN_OPT_ERTM (1 << L2CAP_FCR_ERTM_MODE) 119 #define L2CAP_FCR_CHAN_OPT_STREAM (1 << L2CAP_FCR_STREAM_MODE) 120 121 #define L2CAP_FCR_CHAN_OPT_ALL_MASK (L2CAP_FCR_CHAN_OPT_BASIC | L2CAP_FCR_CHAN_OPT_ERTM | L2CAP_FCR_CHAN_OPT_STREAM) 122 123 /* Validity check for PSM. PSM values must be odd. Also, all PSM values must 124 ** be assigned such that the least significant bit of the most sigificant 125 ** octet equals zero. 126 */ 127 #define L2C_INVALID_PSM(psm) (((psm) & 0x0101) != 0x0001) 128 #define L2C_IS_VALID_PSM(psm) (((psm) & 0x0101) == 0x0001) 129 #define L2C_IS_VALID_LE_PSM(psm) (((psm) > 0x0000) && ((psm) < 0x0100)) 130 131 132 /***************************************************************************** 133 ** Type Definitions 134 *****************************************************************************/ 135 136 typedef struct { 137 #define L2CAP_FCR_BASIC_MODE 0x00 138 #define L2CAP_FCR_ERTM_MODE 0x03 139 #define L2CAP_FCR_STREAM_MODE 0x04 140 141 UINT8 mode; 142 143 UINT8 tx_win_sz; 144 UINT8 max_transmit; 145 UINT16 rtrans_tout; 146 UINT16 mon_tout; 147 UINT16 mps; 148 } tL2CAP_FCR_OPTS; 149 150 /* Define a structure to hold the configuration parameters. Since the 151 ** parameters are optional, for each parameter there is a boolean to 152 ** use to signify its presence or absence. 153 */ 154 typedef struct { 155 UINT16 result; /* Only used in confirm messages */ 156 BOOLEAN mtu_present; 157 UINT16 mtu; 158 BOOLEAN qos_present; 159 FLOW_SPEC qos; 160 BOOLEAN flush_to_present; 161 UINT16 flush_to; 162 BOOLEAN fcr_present; 163 tL2CAP_FCR_OPTS fcr; 164 BOOLEAN fcs_present; /* Optionally bypasses FCS checks */ 165 UINT8 fcs; /* '0' if desire is to bypass FCS, otherwise '1' */ 166 BOOLEAN ext_flow_spec_present; 167 tHCI_EXT_FLOW_SPEC ext_flow_spec; 168 UINT16 flags; /* bit 0: 0-no continuation, 1-continuation */ 169 } tL2CAP_CFG_INFO; 170 171 /* Define a structure to hold the configuration parameter for LE L2CAP connection 172 ** oriented channels. 173 */ 174 typedef struct 175 { 176 UINT16 mtu; 177 UINT16 mps; 178 UINT16 credits; 179 } tL2CAP_LE_CFG_INFO; 180 181 182 /* L2CAP channel configured field bitmap */ 183 #define L2CAP_CH_CFG_MASK_MTU 0x0001 184 #define L2CAP_CH_CFG_MASK_QOS 0x0002 185 #define L2CAP_CH_CFG_MASK_FLUSH_TO 0x0004 186 #define L2CAP_CH_CFG_MASK_FCR 0x0008 187 #define L2CAP_CH_CFG_MASK_FCS 0x0010 188 #define L2CAP_CH_CFG_MASK_EXT_FLOW_SPEC 0x0020 189 190 typedef UINT16 tL2CAP_CH_CFG_BITS; 191 192 /********************************* 193 ** Callback Functions Prototypes 194 **********************************/ 195 196 /* Connection indication callback prototype. Parameters are 197 ** BD Address of remote 198 ** Local CID assigned to the connection 199 ** PSM that the remote wants to connect to 200 ** Identifier that the remote sent 201 */ 202 typedef void (tL2CA_CONNECT_IND_CB) (BD_ADDR, UINT16, UINT16, UINT8); 203 204 205 /* Connection confirmation callback prototype. Parameters are 206 ** Local CID 207 ** Result - 0 = connected, non-zero means failure reason 208 */ 209 typedef void (tL2CA_CONNECT_CFM_CB) (UINT16, UINT16); 210 211 212 /* Connection pending callback prototype. Parameters are 213 ** Local CID 214 */ 215 typedef void (tL2CA_CONNECT_PND_CB) (UINT16); 216 217 218 /* Configuration indication callback prototype. Parameters are 219 ** Local CID assigned to the connection 220 ** Pointer to configuration info 221 */ 222 typedef void (tL2CA_CONFIG_IND_CB) (UINT16, tL2CAP_CFG_INFO *); 223 224 225 /* Configuration confirm callback prototype. Parameters are 226 ** Local CID assigned to the connection 227 ** Pointer to configuration info 228 */ 229 typedef void (tL2CA_CONFIG_CFM_CB) (UINT16, tL2CAP_CFG_INFO *); 230 231 232 /* Disconnect indication callback prototype. Parameters are 233 ** Local CID 234 ** Boolean whether upper layer should ack this 235 */ 236 typedef void (tL2CA_DISCONNECT_IND_CB) (UINT16, BOOLEAN); 237 238 239 /* Disconnect confirm callback prototype. Parameters are 240 ** Local CID 241 ** Result 242 */ 243 typedef void (tL2CA_DISCONNECT_CFM_CB) (UINT16, UINT16); 244 245 246 /* QOS Violation indication callback prototype. Parameters are 247 ** BD Address of violating device 248 */ 249 typedef void (tL2CA_QOS_VIOLATION_IND_CB) (BD_ADDR); 250 251 252 /* Data received indication callback prototype. Parameters are 253 ** Local CID 254 ** Address of buffer 255 */ 256 typedef void (tL2CA_DATA_IND_CB) (UINT16, BT_HDR *); 257 258 259 /* Echo response callback prototype. Note that this is not included in the 260 ** registration information, but is passed to L2CAP as part of the API to 261 ** actually send an echo request. Parameters are 262 ** Result 263 */ 264 typedef void (tL2CA_ECHO_RSP_CB) (UINT16); 265 266 267 /* Callback function prototype to pass broadcom specific echo response */ 268 /* to the upper layer */ 269 typedef void (tL2CA_ECHO_DATA_CB) (BD_ADDR, UINT16, UINT8 *); 270 271 272 /* Congestion status callback protype. This callback is optional. If 273 ** an application tries to send data when the transmit queue is full, 274 ** the data will anyways be dropped. The parameter is: 275 ** Local CID 276 ** TRUE if congested, FALSE if uncongested 277 */ 278 typedef void (tL2CA_CONGESTION_STATUS_CB) (UINT16, BOOLEAN); 279 280 /* Callback prototype for number of packets completed events. 281 ** This callback notifies the application when Number of Completed Packets 282 ** event has been received. 283 ** This callback is originally designed for 3DG devices. 284 ** The parameter is: 285 ** peer BD_ADDR 286 */ 287 typedef void (tL2CA_NOCP_CB) (BD_ADDR); 288 289 /* Transmit complete callback protype. This callback is optional. If 290 ** set, L2CAP will call it when packets are sent or flushed. If the 291 ** count is 0xFFFF, it means all packets are sent for that CID (eRTM 292 ** mode only). The parameters are: 293 ** Local CID 294 ** Number of SDUs sent or dropped 295 */ 296 typedef void (tL2CA_TX_COMPLETE_CB) (UINT16, UINT16); 297 298 /* Define the structure that applications use to register with 299 ** L2CAP. This structure includes callback functions. All functions 300 ** MUST be provided, with the exception of the "connect pending" 301 ** callback and "congestion status" callback. 302 */ 303 typedef struct { 304 tL2CA_CONNECT_IND_CB *pL2CA_ConnectInd_Cb; 305 tL2CA_CONNECT_CFM_CB *pL2CA_ConnectCfm_Cb; 306 tL2CA_CONNECT_PND_CB *pL2CA_ConnectPnd_Cb; 307 tL2CA_CONFIG_IND_CB *pL2CA_ConfigInd_Cb; 308 tL2CA_CONFIG_CFM_CB *pL2CA_ConfigCfm_Cb; 309 tL2CA_DISCONNECT_IND_CB *pL2CA_DisconnectInd_Cb; 310 tL2CA_DISCONNECT_CFM_CB *pL2CA_DisconnectCfm_Cb; 311 tL2CA_QOS_VIOLATION_IND_CB *pL2CA_QoSViolationInd_Cb; 312 tL2CA_DATA_IND_CB *pL2CA_DataInd_Cb; 313 tL2CA_CONGESTION_STATUS_CB *pL2CA_CongestionStatus_Cb; 314 tL2CA_TX_COMPLETE_CB *pL2CA_TxComplete_Cb; 315 316 } tL2CAP_APPL_INFO; 317 318 /* Define the structure that applications use to create or accept 319 ** connections with enhanced retransmission mode. 320 */ 321 typedef struct { 322 UINT8 preferred_mode; 323 UINT8 allowed_modes; 324 UINT16 user_rx_buf_size; 325 UINT16 user_tx_buf_size; 326 UINT16 fcr_rx_buf_size; 327 UINT16 fcr_tx_buf_size; 328 329 } tL2CAP_ERTM_INFO; 330 331 #define L2CA_REGISTER(a,b,c) L2CA_Register(a,(tL2CAP_APPL_INFO *)b) 332 #define L2CA_DEREGISTER(a) L2CA_Deregister(a) 333 #define L2CA_CONNECT_REQ(a,b,c,d) L2CA_ErtmConnectReq(a,b,c) 334 #define L2CA_CONNECT_RSP(a,b,c,d,e,f,g) L2CA_ErtmConnectRsp(a,b,c,d,e,f) 335 #define L2CA_CONFIG_REQ(a,b) L2CA_ConfigReq(a,b) 336 #define L2CA_CONFIG_RSP(a,b) L2CA_ConfigRsp(a,b) 337 #define L2CA_DISCONNECT_REQ(a) L2CA_DisconnectReq(a) 338 #define L2CA_DISCONNECT_RSP(a) L2CA_DisconnectRsp(a) 339 #define L2CA_DATA_WRITE(a, b) L2CA_DataWrite(a, b) 340 341 /***************************************************************************** 342 ** External Function Declarations 343 *****************************************************************************/ 344 #ifdef __cplusplus 345 extern "C" 346 { 347 #endif 348 349 #if (CLASSIC_BT_INCLUDED == TRUE) 350 /******************************************************************************* 351 ** 352 ** Function L2CA_Register 353 ** 354 ** Description Other layers call this function to register for L2CAP 355 ** services. 356 ** 357 ** Returns PSM to use or zero if error. Typically, the PSM returned 358 ** is the same as was passed in, but for an outgoing-only 359 ** connection to a dynamic PSM, a "virtual" PSM is returned 360 ** and should be used in the calls to L2CA_ConnectReq() and 361 ** BTM_SetSecurityLevel(). 362 ** 363 *******************************************************************************/ 364 extern UINT16 L2CA_Register (UINT16 psm, tL2CAP_APPL_INFO *p_cb_info); 365 366 /******************************************************************************* 367 ** 368 ** Function L2CA_Deregister 369 ** 370 ** Description Other layers call this function to deregister for L2CAP 371 ** services. 372 ** 373 ** Returns void 374 ** 375 *******************************************************************************/ 376 extern void L2CA_Deregister (UINT16 psm); 377 378 /******************************************************************************* 379 ** 380 ** Function L2CA_AllocatePSM 381 ** 382 ** Description Other layers call this function to find an unused PSM for L2CAP 383 ** services. 384 ** 385 ** Returns PSM to use. 386 ** 387 *******************************************************************************/ 388 extern UINT16 L2CA_AllocatePSM(void); 389 390 /******************************************************************************* 391 ** 392 ** Function L2CA_ConnectReq 393 ** 394 ** Description Higher layers call this function to create an L2CAP connection. 395 ** Note that the connection is not established at this time, but 396 ** connection establishment gets started. The callback function 397 ** will be invoked when connection establishes or fails. 398 ** 399 ** Returns the CID of the connection, or 0 if it failed to start 400 ** 401 *******************************************************************************/ 402 extern UINT16 L2CA_ConnectReq (UINT16 psm, BD_ADDR p_bd_addr); 403 404 /******************************************************************************* 405 ** 406 ** Function L2CA_ConnectRsp 407 ** 408 ** Description Higher layers call this function to accept an incoming 409 ** L2CAP connection, for which they had gotten an connect 410 ** indication callback. 411 ** 412 ** Returns TRUE for success, FALSE for failure 413 ** 414 *******************************************************************************/ 415 extern BOOLEAN L2CA_ConnectRsp (BD_ADDR p_bd_addr, UINT8 id, UINT16 lcid, 416 UINT16 result, UINT16 status); 417 418 /******************************************************************************* 419 ** 420 ** Function L2CA_ErtmConnectReq 421 ** 422 ** Description Higher layers call this function to create an L2CAP connection 423 ** that needs to use Enhanced Retransmission Mode. 424 ** Note that the connection is not established at this time, but 425 ** connection establishment gets started. The callback function 426 ** will be invoked when connection establishes or fails. 427 ** 428 ** Returns the CID of the connection, or 0 if it failed to start 429 ** 430 *******************************************************************************/ 431 extern UINT16 L2CA_ErtmConnectReq (UINT16 psm, BD_ADDR p_bd_addr, 432 tL2CAP_ERTM_INFO *p_ertm_info); 433 434 // This function sets the callback routines for the L2CAP connection referred to by 435 // |local_cid|. The callback routines can only be modified for outgoing connections 436 // established by |L2CA_ConnectReq| or accepted incoming connections. |callbacks| 437 // must not be NULL. This function returns true if the callbacks could be updated, 438 // false if not (e.g. |local_cid| was not found). 439 bool L2CA_SetConnectionCallbacks(uint16_t local_cid, const tL2CAP_APPL_INFO *callbacks); 440 441 /******************************************************************************* 442 ** 443 ** Function L2CA_ErtmConnectRsp 444 ** 445 ** Description Higher layers call this function to accept an incoming 446 ** L2CAP connection, for which they had gotten an connect 447 ** indication callback, and for which the higher layer wants 448 ** to use Enhanced Retransmission Mode. 449 ** 450 ** Returns TRUE for success, FALSE for failure 451 ** 452 *******************************************************************************/ 453 extern BOOLEAN L2CA_ErtmConnectRsp (BD_ADDR p_bd_addr, UINT8 id, UINT16 lcid, 454 UINT16 result, UINT16 status, 455 tL2CAP_ERTM_INFO *p_ertm_info); 456 457 /******************************************************************************* 458 ** 459 ** Function L2CA_ConfigReq 460 ** 461 ** Description Higher layers call this function to send configuration. 462 ** 463 ** Returns TRUE if configuration sent, else FALSE 464 ** 465 *******************************************************************************/ 466 extern BOOLEAN L2CA_ConfigReq (UINT16 cid, tL2CAP_CFG_INFO *p_cfg); 467 468 /******************************************************************************* 469 ** 470 ** Function L2CA_ConfigRsp 471 ** 472 ** Description Higher layers call this function to send a configuration 473 ** response. 474 ** 475 ** Returns TRUE if configuration response sent, else FALSE 476 ** 477 *******************************************************************************/ 478 extern BOOLEAN L2CA_ConfigRsp (UINT16 cid, tL2CAP_CFG_INFO *p_cfg); 479 480 /******************************************************************************* 481 ** 482 ** Function L2CA_DisconnectReq 483 ** 484 ** Description Higher layers call this function to disconnect a channel. 485 ** 486 ** Returns TRUE if disconnect sent, else FALSE 487 ** 488 *******************************************************************************/ 489 extern BOOLEAN L2CA_DisconnectReq (UINT16 cid); 490 491 /******************************************************************************* 492 ** 493 ** Function L2CA_DisconnectRsp 494 ** 495 ** Description Higher layers call this function to acknowledge the 496 ** disconnection of a channel. 497 ** 498 ** Returns void 499 ** 500 *******************************************************************************/ 501 extern BOOLEAN L2CA_DisconnectRsp (UINT16 cid); 502 #endif ///CLASSIC_BT_INCLUDED == TRUE 503 504 #if (BLE_L2CAP_COC_INCLUDED == TRUE) 505 /******************************************************************************* 506 ** 507 ** Function L2CA_RegisterLECoc 508 ** 509 ** Description Other layers call this function to register for L2CAP 510 ** Connection Oriented Channel. 511 ** 512 ** Returns PSM to use or zero if error. Typically, the PSM returned 513 ** is the same as was passed in, but for an outgoing-only 514 ** connection to a dynamic PSM, a "virtual" PSM is returned 515 ** and should be used in the calls to L2CA_ConnectLECocReq() 516 ** and BTM_SetSecurityLevel(). 517 ** 518 *******************************************************************************/ 519 extern UINT16 L2CA_RegisterLECoc (UINT16 psm, tL2CAP_APPL_INFO *p_cb_info); 520 521 /******************************************************************************* 522 ** 523 ** Function L2CA_DeregisterLECoc 524 ** 525 ** Description Other layers call this function to deregister for L2CAP 526 ** Connection Oriented Channel. 527 ** 528 ** Returns void 529 ** 530 *******************************************************************************/ 531 extern void L2CA_DeregisterLECoc (UINT16 psm); 532 533 /******************************************************************************* 534 ** 535 ** Function L2CA_ConnectLECocReq 536 ** 537 ** Description Higher layers call this function to create an L2CAP LE COC. 538 ** Note that the connection is not established at this time, but 539 ** connection establishment gets started. The callback function 540 ** will be invoked when connection establishes or fails. 541 ** 542 ** Returns the CID of the connection, or 0 if it failed to start 543 ** 544 *******************************************************************************/ 545 extern UINT16 L2CA_ConnectLECocReq (UINT16 psm, BD_ADDR p_bd_addr, tL2CAP_LE_CFG_INFO *p_cfg); 546 547 /******************************************************************************* 548 ** 549 ** Function L2CA_ConnectLECocRsp 550 ** 551 ** Description Higher layers call this function to accept an incoming 552 ** L2CAP LE COC connection, for which they had gotten an connect 553 ** indication callback. 554 ** 555 ** Returns TRUE for success, FALSE for failure 556 ** 557 *******************************************************************************/ 558 extern BOOLEAN L2CA_ConnectLECocRsp (BD_ADDR p_bd_addr, UINT8 id, UINT16 lcid, UINT16 result, 559 UINT16 status, tL2CAP_LE_CFG_INFO *p_cfg); 560 561 /******************************************************************************* 562 ** 563 ** Function L2CA_GetPeerLECocConfig 564 ** 565 ** Description Get peers configuration for LE Connection Oriented Channel. 566 ** 567 ** Return value: TRUE if peer is connected 568 ** 569 *******************************************************************************/ 570 extern BOOLEAN L2CA_GetPeerLECocConfig (UINT16 lcid, tL2CAP_LE_CFG_INFO* peer_cfg); 571 572 #endif // (BLE_L2CAP_COC_INCLUDED == TRUE) 573 574 /******************************************************************************* 575 ** 576 ** Function L2CA_DataWrite 577 ** 578 ** Description Higher layers call this function to write data. 579 ** 580 ** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE 581 ** L2CAP_DW_CONGESTED, if data accepted and the channel is congested 582 ** L2CAP_DW_FAILED, if error 583 ** 584 *******************************************************************************/ 585 extern UINT8 L2CA_DataWrite (UINT16 cid, BT_HDR *p_data); 586 587 #if (CLASSIC_BT_INCLUDED == TRUE) 588 589 /******************************************************************************* 590 ** 591 ** Function L2CA_Ping 592 ** 593 ** Description Higher layers call this function to send an echo request. 594 ** 595 ** Returns TRUE if echo request sent, else FALSE. 596 ** 597 *******************************************************************************/ 598 extern BOOLEAN L2CA_Ping (BD_ADDR p_bd_addr, tL2CA_ECHO_RSP_CB *p_cb); 599 600 /******************************************************************************* 601 ** 602 ** Function L2CA_Echo 603 ** 604 ** Description Higher layers call this function to send an echo request 605 ** with application-specific data. 606 ** 607 ** Returns TRUE if echo request sent, else FALSE. 608 ** 609 *******************************************************************************/ 610 extern BOOLEAN L2CA_Echo (BD_ADDR p_bd_addr, BT_HDR *p_data, tL2CA_ECHO_DATA_CB *p_callback); 611 #endif ///CLASSIC_BT_INCLUDED == TRUE 612 613 614 // Given a local channel identifier, |lcid|, this function returns the bound remote 615 // channel identifier, |rcid|, and the ACL link handle, |handle|. If |lcid| is not 616 // known or is invalid, this function returns false and does not modify the values 617 // pointed at by |rcid| and |handle|. |rcid| and |handle| may be NULL. 618 bool L2CA_GetIdentifiers(uint16_t lcid, uint16_t *rcid, uint16_t *handle); 619 620 /******************************************************************************* 621 ** 622 ** Function L2CA_SetIdleTimeout 623 ** 624 ** Description Higher layers call this function to set the idle timeout for 625 ** a connection, or for all future connections. The "idle timeout" 626 ** is the amount of time that a connection can remain up with 627 ** no L2CAP channels on it. A timeout of zero means that the 628 ** connection will be torn down immediately when the last channel 629 ** is removed. A timeout of 0xFFFF means no timeout. Values are 630 ** in seconds. 631 ** 632 ** Returns TRUE if command succeeded, FALSE if failed 633 ** 634 *******************************************************************************/ 635 extern BOOLEAN L2CA_SetIdleTimeout (UINT16 cid, UINT16 timeout, 636 BOOLEAN is_global); 637 638 639 /******************************************************************************* 640 ** 641 ** Function L2CA_SetIdleTimeoutByBdAddr 642 ** 643 ** Description Higher layers call this function to set the idle timeout for 644 ** a connection. The "idle timeout" is the amount of time that 645 ** a connection can remain up with no L2CAP channels on it. 646 ** A timeout of zero means that the connection will be torn 647 ** down immediately when the last channel is removed. 648 ** A timeout of 0xFFFF means no timeout. Values are in seconds. 649 ** A bd_addr is the remote BD address. If bd_addr = BT_BD_ANY, 650 ** then the idle timeouts for all active l2cap links will be 651 ** changed. 652 ** 653 ** Returns TRUE if command succeeded, FALSE if failed 654 ** 655 ** NOTE This timeout applies to all logical channels active on the 656 ** ACL link. 657 *******************************************************************************/ 658 extern BOOLEAN L2CA_SetIdleTimeoutByBdAddr(BD_ADDR bd_addr, UINT16 timeout, 659 tBT_TRANSPORT transport); 660 661 662 /******************************************************************************* 663 ** 664 ** Function L2CA_SetTraceLevel 665 ** 666 ** Description This function sets the trace level for L2CAP. If called with 667 ** a value of 0xFF, it simply reads the current trace level. 668 ** 669 ** Returns the new (current) trace level 670 ** 671 *******************************************************************************/ 672 extern UINT8 L2CA_SetTraceLevel (UINT8 trace_level); 673 674 675 /******************************************************************************* 676 ** 677 ** Function L2CA_SetDesireRole 678 ** 679 ** Description This function sets the desire role for L2CAP. 680 ** If the new role is L2CAP_ROLE_ALLOW_SWITCH, allow switch on 681 ** HciCreateConnection. 682 ** If the new role is L2CAP_ROLE_DISALLOW_SWITCH, do not allow switch on 683 ** HciCreateConnection. 684 ** 685 ** If the new role is a valid role (HCI_ROLE_MASTER or HCI_ROLE_SLAVE), 686 ** the desire role is set to the new value. Otherwise, it is not changed. 687 ** 688 ** Returns the new (current) role 689 ** 690 *******************************************************************************/ 691 extern UINT8 L2CA_SetDesireRole (UINT8 new_role); 692 #if (CLASSIC_BT_INCLUDED == TRUE) 693 /******************************************************************************* 694 ** 695 ** Function L2CA_LocalLoopbackReq 696 ** 697 ** Description This function sets up a CID for local loopback 698 ** 699 ** Returns CID of 0 if none. 700 ** 701 *******************************************************************************/ 702 extern UINT16 L2CA_LocalLoopbackReq (UINT16 psm, UINT16 handle, BD_ADDR p_bd_addr); 703 704 /******************************************************************************* 705 ** 706 ** Function L2CA_FlushChannel 707 ** 708 ** Description This function flushes none, some or all buffers queued up 709 ** for xmission for a particular CID. If called with 710 ** L2CAP_FLUSH_CHANS_GET (0), it simply returns the number 711 ** of buffers queued for that CID L2CAP_FLUSH_CHANS_ALL (0xffff) 712 ** flushes all buffers. All other values specifies the maximum 713 ** buffers to flush. 714 ** 715 ** Returns Number of buffers left queued for that CID 716 ** 717 *******************************************************************************/ 718 extern UINT16 L2CA_FlushChannel (UINT16 lcid, UINT16 num_to_flush); 719 720 721 /******************************************************************************* 722 ** 723 ** Function L2CA_SetAclPriority 724 ** 725 ** Description Sets the transmission priority for an ACL channel. 726 ** (For initial implementation only two values are valid. 727 ** L2CAP_PRIORITY_NORMAL and L2CAP_PRIORITY_HIGH). 728 ** 729 ** Returns TRUE if a valid channel, else FALSE 730 ** 731 *******************************************************************************/ 732 extern BOOLEAN L2CA_SetAclPriority (BD_ADDR bd_addr, UINT8 priority); 733 734 /******************************************************************************* 735 ** 736 ** Function L2CA_FlowControl 737 ** 738 ** Description Higher layers call this function to flow control a channel. 739 ** 740 ** data_enabled - TRUE data flows, FALSE data is stopped 741 ** 742 ** Returns TRUE if valid channel, else FALSE 743 ** 744 *******************************************************************************/ 745 extern BOOLEAN L2CA_FlowControl (UINT16 cid, BOOLEAN data_enabled); 746 747 /******************************************************************************* 748 ** 749 ** Function L2CA_SendTestSFrame 750 ** 751 ** Description Higher layers call this function to send a test S-frame. 752 ** 753 ** Returns TRUE if valid Channel, else FALSE 754 ** 755 *******************************************************************************/ 756 extern BOOLEAN L2CA_SendTestSFrame (UINT16 cid, UINT8 sup_type, 757 UINT8 back_track); 758 759 /******************************************************************************* 760 ** 761 ** Function L2CA_SetTxPriority 762 ** 763 ** Description Sets the transmission priority for a channel. (FCR Mode) 764 ** 765 ** Returns TRUE if a valid channel, else FALSE 766 ** 767 *******************************************************************************/ 768 extern BOOLEAN L2CA_SetTxPriority (UINT16 cid, tL2CAP_CHNL_PRIORITY priority); 769 770 /******************************************************************************* 771 ** 772 ** Function L2CA_RegForNoCPEvt 773 ** 774 ** Description Register callback for Number of Completed Packets event. 775 ** 776 ** Input Param p_cb - callback for Number of completed packets event 777 ** p_bda - BT address of remote device 778 ** 779 ** Returns 780 ** 781 *******************************************************************************/ 782 extern BOOLEAN L2CA_RegForNoCPEvt(tL2CA_NOCP_CB *p_cb, BD_ADDR p_bda); 783 784 /******************************************************************************* 785 ** 786 ** Function L2CA_SetChnlDataRate 787 ** 788 ** Description Sets the tx/rx data rate for a channel. 789 ** 790 ** Returns TRUE if a valid channel, else FALSE 791 ** 792 *******************************************************************************/ 793 extern BOOLEAN L2CA_SetChnlDataRate (UINT16 cid, tL2CAP_CHNL_DATA_RATE tx, tL2CAP_CHNL_DATA_RATE rx); 794 795 typedef void (tL2CA_RESERVE_CMPL_CBACK) (void); 796 797 /******************************************************************************* 798 ** 799 ** Function L2CA_SetFlushTimeout 800 ** 801 ** Description This function set the automatic flush time out in Baseband 802 ** for ACL-U packets. 803 ** BdAddr : the remote BD address of ACL link. If it is BT_DB_ANY 804 ** then the flush time out will be applied to all ACL link. 805 ** FlushTimeout: flush time out in ms 806 ** 0x0000 : No automatic flush 807 ** L2CAP_NO_RETRANSMISSION : No retransmission 808 ** 0x0002 - 0xFFFE : flush time out, if (flush_tout*8)+3/5) 809 ** <= HCI_MAX_AUTO_FLUSH_TOUT (in 625us slot). 810 ** Otherwise, return FALSE. 811 ** L2CAP_NO_AUTOMATIC_FLUSH : No automatic flush 812 ** 813 ** Returns TRUE if command succeeded, FALSE if failed 814 ** 815 ** NOTE This flush timeout applies to all logical channels active on the 816 ** ACL link. 817 *******************************************************************************/ 818 extern BOOLEAN L2CA_SetFlushTimeout (BD_ADDR bd_addr, UINT16 flush_tout); 819 #endif ///CLASSIC_BT_INCLUDED == TRUE 820 821 /******************************************************************************* 822 ** 823 ** Function L2CA_DataWriteEx 824 ** 825 ** Description Higher layers call this function to write data with extended 826 ** flags. 827 ** flags : L2CAP_FLUSHABLE_CH_BASED 828 ** L2CAP_FLUSHABLE_PKT 829 ** L2CAP_NON_FLUSHABLE_PKT 830 ** 831 ** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE 832 ** L2CAP_DW_CONGESTED, if data accepted and the channel is congested 833 ** L2CAP_DW_FAILED, if error 834 ** 835 *******************************************************************************/ 836 extern UINT8 L2CA_DataWriteEx (UINT16 cid, BT_HDR *p_data, UINT16 flags); 837 838 /******************************************************************************* 839 ** 840 ** Function L2CA_SetChnlFlushability 841 ** 842 ** Description Higher layers call this function to set a channels 843 ** flushability flags 844 ** 845 ** Returns TRUE if CID found, else FALSE 846 ** 847 *******************************************************************************/ 848 extern BOOLEAN L2CA_SetChnlFlushability (UINT16 cid, BOOLEAN is_flushable); 849 850 /******************************************************************************* 851 ** 852 ** Function L2CA_GetPeerFeatures 853 ** 854 ** Description Get a peers features and fixed channel map 855 ** 856 ** Parameters: BD address of the peer 857 ** Pointers to features and channel mask storage area 858 ** 859 ** Return value: TRUE if peer is connected 860 ** 861 *******************************************************************************/ 862 extern BOOLEAN L2CA_GetPeerFeatures (BD_ADDR bd_addr, UINT32 *p_ext_feat, UINT8 *p_chnl_mask); 863 864 /******************************************************************************* 865 ** 866 ** Function L2CA_GetBDAddrbyHandle 867 ** 868 ** Description Get BD address for the given HCI handle 869 ** 870 ** Parameters: HCI handle 871 ** BD address of the peer 872 ** 873 ** Return value: TRUE if found lcb for the given handle, FALSE otherwise 874 ** 875 *******************************************************************************/ 876 extern BOOLEAN L2CA_GetBDAddrbyHandle (UINT16 handle, BD_ADDR bd_addr); 877 878 #if (CLASSIC_BT_INCLUDED == TRUE) 879 880 /******************************************************************************* 881 ** 882 ** Function L2CA_GetChnlFcrMode 883 ** 884 ** Description Get the channel FCR mode 885 ** 886 ** Parameters: Local CID 887 ** 888 ** Return value: Channel mode 889 ** 890 *******************************************************************************/ 891 extern UINT8 L2CA_GetChnlFcrMode (UINT16 lcid); 892 #endif ///CLASSIC_BT_INCLUDED == TRUE 893 894 895 /******************************************************************************* 896 ** 897 ** UCD callback prototypes 898 ** 899 *******************************************************************************/ 900 901 /* UCD discovery. Parameters are 902 ** BD Address of remote 903 ** Data Type 904 ** Data 905 */ 906 #define L2CAP_UCD_INFO_TYPE_RECEPTION 0x01 907 #define L2CAP_UCD_INFO_TYPE_MTU 0x02 908 909 typedef void (tL2CA_UCD_DISCOVER_CB) (BD_ADDR, UINT8, UINT32); 910 911 /* UCD data received. Parameters are 912 ** BD Address of remote 913 ** Pointer to buffer with data 914 */ 915 typedef void (tL2CA_UCD_DATA_CB) (BD_ADDR, BT_HDR *); 916 917 /* Congestion status callback protype. This callback is optional. If 918 ** an application tries to send data when the transmit queue is full, 919 ** the data will anyways be dropped. The parameter is: 920 ** remote BD_ADDR 921 ** TRUE if congested, FALSE if uncongested 922 */ 923 typedef void (tL2CA_UCD_CONGESTION_STATUS_CB) (BD_ADDR, BOOLEAN); 924 925 /* UCD registration info (the callback addresses and PSM) 926 */ 927 typedef struct { 928 tL2CA_UCD_DISCOVER_CB *pL2CA_UCD_Discover_Cb; 929 tL2CA_UCD_DATA_CB *pL2CA_UCD_Data_Cb; 930 tL2CA_UCD_CONGESTION_STATUS_CB *pL2CA_UCD_Congestion_Status_Cb; 931 } tL2CAP_UCD_CB_INFO; 932 933 /******************************************************************************* 934 ** 935 ** Function L2CA_UcdRegister 936 ** 937 ** Description Register PSM on UCD. 938 ** 939 ** Parameters: tL2CAP_UCD_CB_INFO 940 ** 941 ** Return value: TRUE if successs 942 ** 943 *******************************************************************************/ 944 extern BOOLEAN L2CA_UcdRegister ( UINT16 psm, tL2CAP_UCD_CB_INFO *p_cb_info ); 945 946 /******************************************************************************* 947 ** 948 ** Function L2CA_UcdDeregister 949 ** 950 ** Description Deregister PSM on UCD. 951 ** 952 ** Parameters: PSM 953 ** 954 ** Return value: TRUE if successs 955 ** 956 *******************************************************************************/ 957 extern BOOLEAN L2CA_UcdDeregister ( UINT16 psm ); 958 959 /******************************************************************************* 960 ** 961 ** Function L2CA_UcdDiscover 962 ** 963 ** Description Discover UCD of remote device. 964 ** 965 ** Parameters: PSM 966 ** BD_ADDR of remote device 967 ** info_type : L2CAP_UCD_INFO_TYPE_RECEPTION 968 ** L2CAP_UCD_INFO_TYPE_MTU 969 ** 970 ** 971 ** Return value: TRUE if successs 972 ** 973 *******************************************************************************/ 974 extern BOOLEAN L2CA_UcdDiscover ( UINT16 psm, BD_ADDR rem_bda, UINT8 info_type ); 975 976 /******************************************************************************* 977 ** 978 ** Function L2CA_UcdDataWrite 979 ** 980 ** Description Send UCD to remote device 981 ** 982 ** Parameters: PSM 983 ** BD Address of remote 984 ** Pointer to buffer of type BT_HDR 985 ** flags : L2CAP_FLUSHABLE_CH_BASED 986 ** L2CAP_FLUSHABLE_PKT 987 ** L2CAP_NON_FLUSHABLE_PKT 988 ** 989 ** Return value L2CAP_DW_SUCCESS, if data accepted 990 ** L2CAP_DW_FAILED, if error 991 ** 992 *******************************************************************************/ 993 extern UINT16 L2CA_UcdDataWrite (UINT16 psm, BD_ADDR rem_bda, BT_HDR *p_buf, UINT16 flags); 994 995 /******************************************************************************* 996 ** 997 ** Function L2CA_UcdSetIdleTimeout 998 ** 999 ** Description Set UCD Idle timeout. 1000 ** 1001 ** Parameters: BD Addr 1002 ** Timeout in second 1003 ** 1004 ** Return value: TRUE if successs 1005 ** 1006 *******************************************************************************/ 1007 extern BOOLEAN L2CA_UcdSetIdleTimeout ( BD_ADDR rem_bda, UINT16 timeout ); 1008 1009 /******************************************************************************* 1010 ** 1011 ** Function L2CA_UCDSetTxPriority 1012 ** 1013 ** Description Sets the transmission priority for a connectionless channel. 1014 ** 1015 ** Returns TRUE if a valid channel, else FALSE 1016 ** 1017 *******************************************************************************/ 1018 extern BOOLEAN L2CA_UCDSetTxPriority ( BD_ADDR rem_bda, tL2CAP_CHNL_PRIORITY priority ); 1019 1020 1021 /******************************************************************************* 1022 ** 1023 ** Fixed Channel callback prototypes 1024 ** 1025 *******************************************************************************/ 1026 1027 /* Fixed channel connected and disconnected. Parameters are 1028 ** channel 1029 ** BD Address of remote 1030 ** TRUE if channel is connected, FALSE if disconnected 1031 ** Reason for connection failure 1032 ** transport : physical transport, BR/EDR or LE 1033 */ 1034 typedef void (tL2CA_FIXED_CHNL_CB) (UINT16, BD_ADDR, BOOLEAN, UINT16, tBT_TRANSPORT); 1035 1036 /* Signalling data received. Parameters are 1037 ** channel 1038 ** BD Address of remote 1039 ** Pointer to buffer with data 1040 */ 1041 typedef void (tL2CA_FIXED_DATA_CB) (UINT16, BD_ADDR, BT_HDR *); 1042 1043 /* Congestion status callback protype. This callback is optional. If 1044 ** an application tries to send data when the transmit queue is full, 1045 ** the data will anyways be dropped. The parameter is: 1046 ** remote BD_ADDR 1047 ** TRUE if congested, FALSE if uncongested 1048 */ 1049 typedef void (tL2CA_FIXED_CONGESTION_STATUS_CB) (BD_ADDR, BOOLEAN); 1050 1051 /* Fixed channel registration info (the callback addresses and channel config) 1052 */ 1053 typedef struct { 1054 tL2CA_FIXED_CHNL_CB *pL2CA_FixedConn_Cb; 1055 tL2CA_FIXED_DATA_CB *pL2CA_FixedData_Cb; 1056 tL2CA_FIXED_CONGESTION_STATUS_CB *pL2CA_FixedCong_Cb; 1057 tL2CAP_FCR_OPTS fixed_chnl_opts; 1058 1059 UINT16 default_idle_tout; 1060 tL2CA_TX_COMPLETE_CB *pL2CA_FixedTxComplete_Cb; /* fixed channel tx complete callback */ 1061 } tL2CAP_FIXED_CHNL_REG; 1062 1063 1064 #if (L2CAP_NUM_FIXED_CHNLS > 0) 1065 /******************************************************************************* 1066 ** 1067 ** Function L2CA_RegisterFixedChannel 1068 ** 1069 ** Description Register a fixed channel. 1070 ** 1071 ** Parameters: Fixed Channel # 1072 ** Channel Callbacks and config 1073 ** 1074 ** Return value: TRUE if registered OK 1075 ** 1076 *******************************************************************************/ 1077 extern BOOLEAN L2CA_RegisterFixedChannel (UINT16 fixed_cid, tL2CAP_FIXED_CHNL_REG *p_freg); 1078 1079 /******************************************************************************* 1080 ** 1081 ** Function L2CA_ConnectFixedChnl 1082 ** 1083 ** Description Connect an fixed signalling channel to a remote device. 1084 ** 1085 ** Parameters: Fixed CID 1086 ** BD Address of remote 1087 ** BD Address type 1088 ** 1089 ** Return value: TRUE if connection started 1090 ** 1091 *******************************************************************************/ 1092 extern BOOLEAN L2CA_ConnectFixedChnl (UINT16 fixed_cid, BD_ADDR bd_addr, tBLE_ADDR_TYPE bd_addr_type, BOOLEAN is_aux); 1093 1094 /******************************************************************************* 1095 ** 1096 ** Function L2CA_SendFixedChnlData 1097 ** 1098 ** Description Write data on a fixed signalling channel. 1099 ** 1100 ** Parameters: Fixed CID 1101 ** BD Address of remote 1102 ** Pointer to buffer of type BT_HDR 1103 ** 1104 ** Return value L2CAP_DW_SUCCESS, if data accepted 1105 ** L2CAP_DW_FAILED, if error 1106 ** 1107 *******************************************************************************/ 1108 extern UINT16 L2CA_SendFixedChnlData (UINT16 fixed_cid, BD_ADDR rem_bda, BT_HDR *p_buf); 1109 1110 /******************************************************************************* 1111 ** 1112 ** Function L2CA_RemoveFixedChnl 1113 ** 1114 ** Description Remove a fixed channel to a remote device. 1115 ** 1116 ** Parameters: Fixed CID 1117 ** BD Address of remote 1118 ** Idle timeout to use (or 0xFFFF if don't care) 1119 ** 1120 ** Return value: TRUE if channel removed 1121 ** 1122 *******************************************************************************/ 1123 extern BOOLEAN L2CA_RemoveFixedChnl (UINT16 fixed_cid, BD_ADDR rem_bda); 1124 1125 /******************************************************************************* 1126 ** 1127 ** Function L2CA_SetFixedChannelTout 1128 ** 1129 ** Description Higher layers call this function to set the idle timeout for 1130 ** a fixed channel. The "idle timeout" is the amount of time that 1131 ** a connection can remain up with no L2CAP channels on it. 1132 ** A timeout of zero means that the connection will be torn 1133 ** down immediately when the last channel is removed. 1134 ** A timeout of 0xFFFF means no timeout. Values are in seconds. 1135 ** A bd_addr is the remote BD address. If bd_addr = BT_BD_ANY, 1136 ** then the idle timeouts for all active l2cap links will be 1137 ** changed. 1138 ** 1139 ** Returns TRUE if command succeeded, FALSE if failed 1140 ** 1141 *******************************************************************************/ 1142 extern BOOLEAN L2CA_SetFixedChannelTout (BD_ADDR rem_bda, UINT16 fixed_cid, UINT16 idle_tout); 1143 1144 #endif /* (L2CAP_NUM_FIXED_CHNLS > 0) */ 1145 1146 #if (CLASSIC_BT_INCLUDED == TRUE) 1147 /******************************************************************************* 1148 ** 1149 ** Function L2CA_GetCurrentConfig 1150 ** 1151 ** Description This function returns configurations of L2CAP channel 1152 ** pp_our_cfg : pointer of our saved configuration options 1153 ** p_our_cfg_bits : valid config in bitmap 1154 ** pp_peer_cfg: pointer of peer's saved configuration options 1155 ** p_peer_cfg_bits : valid config in bitmap 1156 ** 1157 ** Returns TRUE if successful 1158 ** 1159 *******************************************************************************/ 1160 extern BOOLEAN L2CA_GetCurrentConfig (UINT16 lcid, 1161 tL2CAP_CFG_INFO **pp_our_cfg, tL2CAP_CH_CFG_BITS *p_our_cfg_bits, 1162 tL2CAP_CFG_INFO **pp_peer_cfg, tL2CAP_CH_CFG_BITS *p_peer_cfg_bits); 1163 #endif ///CLASSIC_BT_INCLUDED == TRUE 1164 1165 1166 #if (BLE_INCLUDED == TRUE) 1167 /******************************************************************************* 1168 ** 1169 ** Function L2CA_CancelBleConnectReq 1170 ** 1171 ** Description Cancel a pending connection attempt to a BLE device. 1172 ** 1173 ** Parameters: BD Address of remote 1174 ** 1175 ** Return value: TRUE if connection was cancelled 1176 ** 1177 *******************************************************************************/ 1178 extern BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda); 1179 1180 /******************************************************************************* 1181 ** 1182 ** Function L2CA_UpdateBleConnParams 1183 ** 1184 ** Description Update BLE connection parameters. 1185 ** 1186 ** Parameters: BD Address of remote 1187 ** 1188 ** Return value: TRUE if update started 1189 ** 1190 *******************************************************************************/ 1191 extern BOOLEAN L2CA_UpdateBleConnParams (BD_ADDR rem_bdRa, UINT16 min_int, 1192 UINT16 max_int, UINT16 latency, UINT16 timeout); 1193 1194 /******************************************************************************* 1195 ** 1196 ** Function L2CA_EnableUpdateBleConnParams 1197 ** 1198 ** Description Update BLE connection parameters. 1199 ** 1200 ** Parameters: BD Address of remote 1201 ** enable flag 1202 ** 1203 ** Return value: TRUE if update started 1204 ** 1205 *******************************************************************************/ 1206 extern BOOLEAN L2CA_EnableUpdateBleConnParams (BD_ADDR rem_bda, BOOLEAN enable); 1207 1208 /******************************************************************************* 1209 ** 1210 ** Function L2CA_GetBleConnRole 1211 ** 1212 ** Description This function returns the connection role. 1213 ** 1214 ** Returns link role. 1215 ** 1216 *******************************************************************************/ 1217 extern UINT8 L2CA_GetBleConnRole (BD_ADDR bd_addr); 1218 #endif /* (BLE_INCLUDED == TRUE) */ 1219 1220 /******************************************************************************* 1221 ** 1222 ** Function L2CA_GetDisconnectReason 1223 ** 1224 ** Description This function returns the disconnect reason code. 1225 ** 1226 ** Parameters: BD Address of remote 1227 ** Physical transport for the L2CAP connection (BR/EDR or LE) 1228 ** 1229 ** Returns disconnect reason 1230 ** 1231 *******************************************************************************/ 1232 extern UINT16 L2CA_GetDisconnectReason (BD_ADDR remote_bda, tBT_TRANSPORT transport); 1233 1234 extern BOOLEAN L2CA_CheckIsCongest(UINT16 fixed_cid, BD_ADDR addr); 1235 1236 #define L2CA_GET_ATT_NUM 0 1237 #define L2CA_ADD_BTC_NUM 1 1238 #define L2CA_DECREASE_BTC_NUM 2 1239 #define L2CA_ADD_BTU_NUM 3 1240 #define L2CA_DECREASE_BTU_NUM 4 1241 #define L2CA_BUFF_INI 5 1242 #define L2CA_BUFF_DEINIT 6 1243 #define L2CA_BUFF_FREE 7 1244 1245 typedef struct { 1246 UINT16 conn_id; 1247 UINT16 * get_num; 1248 } tl2c_buff_param_t; 1249 1250 1251 extern void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param); 1252 1253 #ifdef __cplusplus 1254 } 1255 #endif 1256 1257 #endif /* L2C_API_H */ 1258
