TI BLE-Stack for Bluetooth 4.2 API Documentation  3.01.00.07
l2cap.h
Go to the documentation of this file.
1 /******************************************************************************
2 
3  Group: WCS, BTS
4  $Target Device: DEVICES $
5 
6  ******************************************************************************
7  $License: TISD 2009 $
8  ******************************************************************************
9  $Release Name: PACKAGE NAME $
10  $Release Date: PACKAGE RELEASE DATE $
11  *****************************************************************************/
12 
24 #ifndef L2CAP_H
25 #define L2CAP_H
26 
27 #ifdef __cplusplus
28 extern "C"
29 {
30 #endif
31 
32 /*********************************************************************
33  * INCLUDES
34  */
35 #include "bcomdef.h"
36 #include "osal.h"
37 
38 /*********************************************************************
39  * CONSTANTS
40  */
41 
46 #define L2CAP_MTU_SIZE 23
47 
48 #define L2CAP_SDU_SIZE 512
49 
50 #define L2CAP_NUM_PSM_DEFAULT 3
51 
52 #define L2CAP_NUM_CO_CHANNELS_DEFAULT 3
53 
54 #define L2CAP_SIG_MTU_SIZE 23
55 
56 #define L2CAP_HDR_SIZE 4
57 
58 
64 #define L2CAP_PDU_SIZE ( L2CAP_HDR_SIZE + L2CAP_MTU_SIZE )
65 
66 #define L2CAP_LEN_FIELD_SIZE 2
67 
68 
75 #define L2CAP_INVALID_PSM 0x0000
76 
77 #define L2CAP_FIXED_PSM_MIN 0x0001
78 #define L2CAP_FIXED_PSM_MAX 0x007F
79 
80 #define L2CAP_DYNAMIC_PSM_MIN 0x0080
81 #define L2CAP_DYNAMIC_PSM_MAX 0x00FF
82 
83 
91 #define L2CAP_CID_NULL 0x0000
92 
93 #define L2CAP_CID_ATT 0x0004
94 #define L2CAP_CID_SIG 0x0005
95 #define L2CAP_CID_SMP 0x0006
96 #define L2CAP_CID_GENERIC 0x0007
97 
98 #define L2CAP_DYNAMIC_CID_MIN 0x0040
99 #define L2CAP_DYNAMIC_CID_MAX 0x007F
100 
101 #define L2CAP_NUM_FIXED_CHANNELS 4
102 
103 #define L2CAP_NUM_SIG_COMMANDS 1
104 
105 
115 #define L2CAP_RTX_TIMEOUT 30
116 
120 #define L2CAP_CMD_REJECT 0x01
121 #define L2CAP_DISCONNECT_REQ 0x06
122 #define L2CAP_DISCONNECT_RSP 0x07
123 #define L2CAP_INFO_REQ 0x0a
124 #define L2CAP_INFO_RSP 0x0b
125 #define L2CAP_PARAM_UPDATE_REQ 0x12
126 #define L2CAP_PARAM_UPDATE_RSP 0x13
127 #define L2CAP_CONNECT_REQ 0x14
128 #define L2CAP_CONNECT_RSP 0x15
129 #define L2CAP_FLOW_CTRL_CREDIT 0x16
130 
131 
137 #define L2CAP_CHANNEL_ESTABLISHED_EVT 0x60
138 #define L2CAP_CHANNEL_TERMINATED_EVT 0x61
139 #define L2CAP_OUT_OF_CREDIT_EVT 0x62
140 #define L2CAP_PEER_CREDIT_THRESHOLD_EVT 0x63
141 #define L2CAP_SEND_SDU_DONE_EVT 0x64
142 #define L2CAP_NUM_CTRL_DATA_PKT_EVT 0x65
143 
144 
150 #define L2CAP_REJECT_CMD_NOT_UNDERSTOOD 0x0000
151 #define L2CAP_REJECT_SIGNAL_MTU_EXCEED 0x0001
152 #define L2CAP_REJECT_INVALID_CID 0x0002
153 
154 
160 #define L2CAP_CONN_SUCCESS 0x0000
161 #define L2CAP_CONN_PSM_NOT_SUPPORTED 0x0002
162 #define L2CAP_CONN_NO_RESOURCES 0x0004
163 #define L2CAP_CONN_INSUFFICIENT_AUTHEN 0x0005
164 #define L2CAP_CONN_INSUFFICIENT_AUTHOR 0x0006
165 #define L2CAP_CONN_INSUFFICIENT_KEY_SIZE 0x0007
166 #define L2CAP_CONN_INSUFFICIENT_ENCRYPT 0x0008
167 
168 #define L2CAP_CONN_PENDING_SEC_VERIFY 0xFFFF
169 
170 
176 #define L2CAP_CONN_PARAMS_ACCEPTED 0x0000
177 #define L2CAP_CONN_PARAMS_REJECTED 0x0001
178 
179 
185 #define L2CAP_TERM_LINK_DOWN 0x0000
186 #define L2CAP_TERM_BY_PSM 0x0001
187 #define L2CAP_TERM_BY_PEER_PSM 0x0002
188 #define L2CAP_TERM_MAX_CREDIT_EXCEED 0x0003
189 #define L2CAP_TERM_SDU_LEN_EXCEED 0x0004
190 #define L2CAP_TERM_PSM_MTU_EXCEED 0x0005
191 #define L2CAP_TERM_RX_PKT_NO_CREDIT 0x0006
192 #define L2CAP_TERM_RX_ERROR 0x0007
193 #define L2CAP_TERM_TX_ERROR 0x0008
194 #define L2CAP_TERM_MEM_ALLOC_ERROR 0x0009
195 
196 
202 #define L2CAP_CLOSED 0x00
203 #define L2CAP_OPEN 0x01
204 #define L2CAP_PENDING_CONN_RSP 0x02
205 #define L2CAP_PENDING_DISCONN_RSP 0x03
206 #define L2CAP_PENDING_PARAM_UPDATE_RSP 0x04
207 #define L2CAP_PENDING_INFO_RSP 0x05
208 #define L2CAP_PENDING_SEC_VERIFY 0x06
209 
210 
216 #define L2CAP_INFO_CONNLESS_MTU 0x0001
217 #define L2CAP_INFO_EXTENDED_FEATURES 0x0002
218 #define L2CAP_INFO_FIXED_CHANNELS 0x0003
219 
220 
222 /*********************************************************************
223  * Information Response: Extended Features Mask Values
224  */
225 #define L2CAP_FIXED_CHANNELS 0x00000080
226 
227 #define L2CAP_EXTENDED_FEATURES_SIZE 4
228 
229 /*********************************************************************
230  * Information Response: Fixed Channels Mask Values
231  */
232 #define L2CAP_FIXED_CHANNELS_ATT 0x10
233 
234 #define L2CAP_FIXED_CHANNELS_SIG 0x20
235 
236 #define L2CAP_FIXED_CHANNELS_SMP 0x40
237 
238 #define L2CAP_FIXED_CHANNELS_SIZE 8
239 
240 /*********************************************************************
241  * Information Response: Result Values
242  */
243 #define L2CAP_INFO_SUCCESS 0x0000
244 
245 #define L2CAP_INFO_NOT_SUPPORTED 0x0001
246 
247 
249 /*********************************************************************
250  * L2CAP Test Modes: Test code values
251  */
252 #if defined ( TESTMODES )
253  // Test modes 0 through 10 are reserved for L2CAP Connection Request.
254  #define L2CAP_TESTMODE_OFF 0
255  #define L2CAP_TESTMODE_PSM_NOT_SUPPORTED 2
256  #define L2CAP_TESTMODE_NO_RESOURCES 4
257  #define L2CAP_TESTMODE_INSUFF_AUTHEN 5
258  #define L2CAP_TESTMODE_INSUFF_AUTHOR 6
259  #define L2CAP_TESTMODE_INSUFF_KEY_SIZE 7
260  #define L2CAP_TESTMODE_INSUFF_ENCRYPT 8
261  #define L2CAP_TESTMODE_INVALID_SRC_CID 9
262  #define L2CAP_TESTMODE_SRC_CID_ALREADY_ALLOC 10
263  #define L2CAP_TESTMODE_OUT_OF_RANGE_CREDITS 11
264  #define L2CAP_TESTMODE_SDU_LEN_EXCEED 12
265  #define L2CAP_TESTMODE_TX_PKT_NO_CREDIT 13
266  #define L2CAP_TESTMODE_BLOCK_DATA_TX 14
267 #endif
268 
270 
273 /*********************************************************************
274  * MACROS
275  */
276 
277 /*********************************************************************
278  * TYPEDEFS
279  */
280 
285 typedef struct
287 {
288  uint8 maxNumPSM;
291 
293 typedef struct
294 {
295  uint16 localCID;
296  uint16 remoteCID;
298 
300 typedef union
301 {
302  uint16 signalMTU;
305 
307 typedef struct
308 {
309  uint16 reason;
311 
312  // Shorthand access for union members
313  #define maxSignalMTU reasonData.signalMTU
314  #define invalidLocalCID reasonData.invalidCID.localCID
315  #define invalidRemoteCID reasonData.invalidCID.remoteCID
316 } l2capCmdReject_t;
317 
319 typedef struct
320 {
321  uint16 intervalMin;
322  uint16 intervalMax;
323  uint16 slaveLatency;
326 
328 typedef struct
329 {
330  uint16 result;
332 
334 typedef struct
335 {
336  uint16 infoType;
338 
340 typedef union
341 {
344  uint8 fixedChannels[L2CAP_FIXED_CHANNELS_SIZE];
345 } l2capInfo_t;
346 
348 typedef struct
349 {
350  uint16 result;
351  uint16 infoType;
354 
356 typedef struct
357 {
358  uint16 psm;
359  uint16 srcCID;
360  uint16 mtu;
361  uint16 mps;
362  uint16 initCredits;
364 
366 typedef struct
367 {
368  uint16 dstCID;
369  uint16 mtu;
370  uint16 mps;
371  uint16 initCredits;
372  uint16 result;
374 
376 typedef struct
377 {
378  uint16 dstCID;
379  uint16 srcCID;
381 
383 typedef struct
384 {
385  uint16 dstCID;
386  uint16 srcCID;
388 
390 typedef struct
391 {
392  uint16 CID;
393  uint16 credits;
395 
397 typedef struct
398 {
399  uint16 mtu;
400  uint16 mps;
406 
408 typedef struct
409 {
410  uint16 psm;
411  uint16 mtu;
412  uint16 mps;
413  uint16 credits;
414  uint16 peerCID;
415  uint16 peerMtu;
416  uint16 peerMps;
417  uint16 peerCredits;
420 
422 typedef struct
423 {
424  uint8 state;
427 
440 typedef struct
441 {
442  uint16 result;
443  uint16 CID;
446 
453 typedef struct
454 {
455  uint16 CID;
456  uint16 peerCID;
457  uint16 reason;
459 
466 typedef struct
467 {
468  uint16 CID;
469  uint16 peerCID;
470  uint16 credits;
473 
480 typedef struct
481 {
482  uint16 CID;
483  uint16 credits;
484  uint16 peerCID;
485  uint16 peerCredits;
486  uint16 totalLen;
487  uint16 txLen;
489 
496 typedef struct
497 {
498  uint8 numDataPkt;
500 
502 typedef union
503 {
504  // Requests
510 
511  // Responses
517 
518  // Proprietary local events
525 
532 typedef struct
533 {
535  uint16 connHandle;
536  uint8 id;
537  uint8 opcode;
540 
542 typedef struct
543 {
544  uint16 CID;
545  uint8 *pPayload;
546  uint16 len;
549 } l2capPacket_t;
550 
561 typedef struct
562 {
564  uint16 connHandle;
567 
589 typedef uint16 (*pfnVerifySecCB_t)( uint16 connHandle, uint8 id, l2capConnectReq_t *pReq );
590 
598 typedef struct
600 {
601  uint16 psm;
602  uint16 mtu;
606  uint8 taskId;
608 } l2capPsm_t;
609  // end of L2CAP_Structs
611 
612 /*********************************************************************
613  * GLOBAL VARIABLES
614  */
615 
616 /*********************************************************************
617  * FUNCTIONS
618  */
619 
629 extern bStatus_t L2CAP_RegisterApp( uint8 taskId, uint16 CID );
630 
637 extern void L2CAP_RegisterFlowCtrlTask( uint8 taskId );
638 
657 extern bStatus_t L2CAP_SendData( uint16 connHandle, l2capPacket_t *pPkt );
658 
671 extern bStatus_t L2CAP_RegisterPsm( l2capPsm_t *pPsm );
672 
683 extern bStatus_t L2CAP_DeregisterPsm( uint8 taskId, uint16 psm );
684 
694 extern bStatus_t L2CAP_PsmInfo( uint16 psm, l2capPsmInfo_t *pInfo );
695 
706 extern bStatus_t L2CAP_PsmChannels( uint16 psm, uint8 numCIDs, uint16 *pCIDs );
707 
717 extern bStatus_t L2CAP_ChannelInfo( uint16 CID, l2capChannelInfo_t *pInfo );
718 
734 extern bStatus_t L2CAP_ConnectReq( uint16 connHandle, uint16 psm, uint16 peerPsm );
735 
749 extern bStatus_t L2CAP_ConnectRsp( uint16 connHandle, uint8 id, uint16 result );
750 
763 extern bStatus_t L2CAP_DisconnectReq( uint16 CID );
764 
778 extern bStatus_t L2CAP_FlowCtrlCredit( uint16 CID, uint16 peerCredits );
779 
795 extern bStatus_t L2CAP_SendSDU( l2capPacket_t *pPkt );
796 
810 extern bStatus_t L2CAP_CmdReject( uint16 connHandle, uint8 id, l2capCmdReject_t *pCmdReject );
811 
826 extern bStatus_t L2CAP_InfoReq( uint16 connHandle, l2capInfoReq_t *pInfoReq, uint8 taskId );
827 
843 extern bStatus_t L2CAP_ConnParamUpdateReq( uint16 connHandle, l2capParamUpdateReq_t *pUpdateReq, uint8 taskId );
844 
858 extern bStatus_t L2CAP_ConnParamUpdateRsp( uint16 connHandle, uint8 id, l2capParamUpdateRsp_t *pUpdateRsp );
859 
868 extern void L2CAP_SetUserConfig( l2capUserCfg_t *pUserCfg );
869 
878 extern void L2CAP_SetBufSize( uint16 dataPktLen, uint8 numDataPkts );
879 
885 extern uint16 L2CAP_GetMTU( void );
886 
899 extern void *L2CAP_bm_alloc( uint16 size );
900 
909 extern uint16 L2CAP_BuildConnectReq( uint8 *pBuf, uint8 *pData );
910 
921 extern bStatus_t L2CAP_ParseConnectReq( l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len );
922 
933 extern bStatus_t L2CAP_ParseFlowCtrlCredit( l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len );
934 
943 extern uint16 L2CAP_BuildCmdReject( uint8 *pBuf, uint8 *pCmd );
944 
955 extern bStatus_t L2CAP_ParseInfoReq( l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len );
956 
967 extern bStatus_t L2CAP_ParseParamUpdateReq( l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len );
968 
977 extern uint16 L2CAP_BuildParamUpdateRsp( uint8 *pBuf, uint8 *pData );
978 
987 extern uint16 L2CAP_BuildInfoRsp( uint8 *pBuf, uint8 *pData );
988 
996 extern void L2CAP_SetControllerToHostFlowCtrl( uint16 hostBuffSize, uint8 flowCtrlMode );
997 
1008 extern void L2CAP_HostNumCompletedPkts( uint16 connHandle, uint16 numCompletedPkts );
1009 
1017 extern void L2CAP_SetParamValue( uint16 value );
1018 
1024 extern uint16 L2CAP_GetParamValue( void );
1025 
1026 /*-------------------------------------------------------------------
1027  * TASK API - These functions must only be called by OSAL.
1028  */
1029 
1031 
1039 extern void L2CAP_Init( uint8 taskId );
1040 
1050 extern uint16 L2CAP_ProcessEvent( uint8 taskId, uint16 events );
1051 
1053 
1054 /*********************************************************************
1055 *********************************************************************/
1056 
1057 #ifdef __cplusplus
1058 }
1059 #endif
1060 
1061 #endif /* L2CAP_H */
1062 
uint8 numActiveChannels
Number of active CO Channels.
Definition: l2cap.h:404
uint16 remoteCID
Source CID from the rejected command.
Definition: l2cap.h:296
Local channel information format.
Definition: l2cap.h:422
uint16 peerCreditThreshold
Low threshold for number of peer credits.
Definition: l2cap.h:402
This API allows the software components in the Z-Stack to be written independently of the specifics o...
osal_event_hdr_t hdr
L2CAP_DATA_EVENT and status.
Definition: l2cap.h:563
l2capConnectRsp_t connectRsp
LE Credit Based Connection Response.
Definition: l2cap.h:515
uint16 intervalMin
Minimum Interval.
Definition: l2cap.h:321
uint16(* pfnVerifySecCB_t)(uint16 connHandle, uint8 id, l2capConnectReq_t *pReq)
Callback function prototype to verify security when a Connection Request is received.
Definition: l2cap.h:589
Command Reject format.
Definition: l2cap.h:307
bStatus_t L2CAP_ConnParamUpdateRsp(uint16 connHandle, uint8 id, l2capParamUpdateRsp_t *pUpdateRsp)
Send Connection Parameter Update Response.
uint16 CID
Local channel id.
Definition: l2cap.h:482
uint16 CID
local channel id
Definition: l2cap.h:544
uint16 initCredits
Indicates number of LE-frames that peer device can send.
Definition: l2cap.h:371
Command Reject Reason Data format.
Definition: l2cap.h:300
l2capParamUpdateReq_t updateReq
Connection Parameter Update Request.
Definition: l2cap.h:505
uint8 maxNumCoChannels
Max number of Connection Oriented Channels: L2CAP_NUM_CO_CHANNELS_DEFAULT.
Definition: l2cap.h:289
Information Response Data field.
Definition: l2cap.h:340
uint16 totalLen
Total length of SDU being transmitted.
Definition: l2cap.h:486
uint16 localCID
Destination CID from the rejected command.
Definition: l2cap.h:295
bStatus_t L2CAP_RegisterPsm(l2capPsm_t *pPsm)
Register a Protocol/Service Multiplexer (PSM) with L2CAP.
uint16 mps
Specifies maximum payload size that can be received on this channel.
Definition: l2cap.h:361
uint16 L2CAP_GetMTU(void)
Get the maximum payload size that L2CAP is capable of receiving.
#define L2CAP_FIXED_CHANNELS_SIZE
Length of Fixed Channels bit mask.
Definition: l2cap.h:238
uint16 initPeerCredits
Number of LE-frames that peer device can send.
Definition: l2cap.h:401
Connection oriented channel information format.
Definition: l2cap.h:408
uint16 result
Result.
Definition: l2cap.h:350
uint16 result
Indicates outcome of connection request: L2CAP Connection Response Result Values. ...
Definition: l2cap.h:372
Disconnection Response format (src/dst CIDs are relative to sender of request).
Definition: l2cap.h:383
uint16 mtu
Maximum SDU size that can be received by local device.
Definition: l2cap.h:602
void L2CAP_RegisterFlowCtrlTask(uint8 taskId)
Register task to recevie L2CAP Flow Control events when there are data buffers available for sending ...
uint16 peerCreditThreshold
Low threshold for peer credit count.
Definition: l2cap.h:418
uint16 peerMps
Maximum payload size that can be received by peer device.
Definition: l2cap.h:416
Disconnection Request format (src/dst CIDs are relative to sender of request).
Definition: l2cap.h:376
l2capNumCtrlDataPktEvt_t numCtrlDataPktEvt
Number of Available Ctrl Data Packets Event.
Definition: l2cap.h:523
bStatus_t L2CAP_RegisterApp(uint8 taskId, uint16 CID)
Register a protocol/application with an L2CAP fixed channel.
uint16 dstCID
Identifies CID on device sending response.
Definition: l2cap.h:385
l2capInfoRsp_t infoRsp
Information Response - not supported.
Definition: l2cap.h:513
bStatus_t L2CAP_ConnectRsp(uint16 connHandle, uint8 id, uint16 result)
Send Connection Response.
uint16 infoType
Information type: L2CAP Information Request/Response Info Types.
Definition: l2cap.h:336
uint16 connectionlessMTU
Connectionless MTU.
Definition: l2cap.h:342
uint16 L2CAP_BuildConnectReq(uint8 *pBuf, uint8 *pData)
Build Connection Request.
uint16 psm
LE PSM.
Definition: l2cap.h:358
uint16 peerCID
Remote channel id.
Definition: l2cap.h:414
osal_event_hdr_t hdr
L2CAP_SIGNAL_EVENT and status.
Definition: l2cap.h:534
l2capReasonData_t reasonData
Reason Data.
Definition: l2cap.h:310
void L2CAP_SetUserConfig(l2capUserCfg_t *pUserCfg)
Set the user configurable variables for the L2CAP layer.
uint16 CID
Local channel id.
Definition: l2cap.h:455
bStatus_t L2CAP_PsmChannels(uint16 psm, uint8 numCIDs, uint16 *pCIDs)
Get all active channels for a given registered PSM.
uint16 srcCID
Specifies CID to be disconnected on device sending request.
Definition: l2cap.h:379
uint16 CID
Represents Source CID of device sending credit packet.
Definition: l2cap.h:392
uint8 maxNumPSM
Max number of Protocol/Service Multiplexers (PSM): L2CAP_NUM_PSM_DEFAULT.
Definition: l2cap.h:288
uint16 peerCID
Peer channel id.
Definition: l2cap.h:484
uint16 mtu
Specifies maximum SDU size that can be received on this channel.
Definition: l2cap.h:369
uint8 * pPayload
Definition: l2cap.h:545
uint8 state
Channel connection state: L2CAP Channel States.
Definition: l2cap.h:424
uint16 txLen
Total number of octets transmitted.
Definition: l2cap.h:487
uint16 reason
Indicates reason for termination: L2CAP Channel Terminated Event Reason Values.
Definition: l2cap.h:457
uint8 taskId
Task registered with PSM.
Definition: l2cap.h:606
L2CAP PSM structure. Allocated one for each registered PSM.
Definition: l2cap.h:599
l2capInfo_t info
Content of Info field depends on infoType.
Definition: l2cap.h:352
uint16 L2CAP_BuildInfoRsp(uint8 *pBuf, uint8 *pData)
Build Information Response.
bStatus_t L2CAP_InfoReq(uint16 connHandle, l2capInfoReq_t *pInfoReq, uint8 taskId)
Send Information Request.
bStatus_t L2CAP_DisconnectReq(uint16 CID)
Send Disconnection Request.
uint8 id
identifier to match responses with requests
Definition: l2cap.h:536
void L2CAP_HostNumCompletedPkts(uint16 connHandle, uint16 numCompletedPkts)
Host Number of Completed Packets.
L2CAP_CHANNEL_TERMINATED_EVT message format.
Definition: l2cap.h:453
uint16 mps
Maximum payload size that can be received by local device.
Definition: l2cap.h:400
PSM information format.
Definition: l2cap.h:397
uint16 result
Result: L2CAP Connection Parameter Update Response Result Values.
Definition: l2cap.h:330
Union of all L2CAP Signaling commands.
Definition: l2cap.h:502
uint8 numDataPkt
Number of Data Packets Available.
Definition: l2cap.h:498
uint16 srcCID
Represents CID on device sending request and receiving response.
Definition: l2cap.h:359
l2capDisconnectReq_t disconnectReq
Disconnection Request.
Definition: l2cap.h:508
uint16 peerCreditThreshold
Low threshold for peer credit count.
Definition: l2cap.h:604
Connection Request format.
Definition: l2cap.h:356
uint16 signalMTU
Maximum Signaling MTU.
Definition: l2cap.h:302
uint16 peerCredits
Peer credits.
Definition: l2cap.h:485
L2CAP_OUT_OF_CREDIT_EVT or L2CAP_PEER_CREDIT_THRESHOLD_EVT message format.
Definition: l2cap.h:466
uint16 initCredits
Indicates number of LE-frames that peer device can send.
Definition: l2cap.h:362
Invalid CID in Request format.
Definition: l2cap.h:293
uint8 maxNumChannels
Maximum number of CO Channels supported by PSM.
Definition: l2cap.h:403
pfnVerifySecCB_t pfnVerifySecCB
PSM security verification callback (can be NULL)
Definition: l2cap.h:607
bStatus_t L2CAP_ConnectReq(uint16 connHandle, uint16 psm, uint16 peerPsm)
Send Connection Request.
bStatus_t L2CAP_ParseConnectReq(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Connection Request message.
uint16 peerCredits
Number of LE-frames that peer device can send.
Definition: l2cap.h:417
uint16 connHandle
connection packet was received on
Definition: l2cap.h:564
uint32 extendedFeatures
Extended features supported.
Definition: l2cap.h:343
uint16 peerMtu
Maximum SDU size that can be received by peer device.
Definition: l2cap.h:415
l2capSignalCmd_t cmd
command data
Definition: l2cap.h:538
l2capParamUpdateRsp_t updateRsp
Connection Parameter Update Response.
Definition: l2cap.h:512
L2CAP_CHANNEL_ESTABLISHED_EVT message format.
Definition: l2cap.h:440
l2capSendSduDoneEvt_t sendSduDoneEvt
Send SDU Done Event.
Definition: l2cap.h:522
bStatus_t L2CAP_FlowCtrlCredit(uint16 CID, uint16 peerCredits)
Send Flow Control Credit.
l2capInvalidCID_t invalidCID
Invalid CID in Request.
Definition: l2cap.h:303
bStatus_t L2CAP_SendSDU(l2capPacket_t *pPkt)
Send data packet over an L2CAP connection oriented channel established over a physical connection...
uint8 opcode
type of command: L2CAP Signaling Codes (type of commands)
Definition: l2cap.h:537
L2CAP_NUM_CTRL_DATA_PKT_EVT message format.
Definition: l2cap.h:496
uint16 credits
Definition: l2cap.h:470
Information Response format.
Definition: l2cap.h:348
bStatus_t L2CAP_ParseFlowCtrlCredit(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Flow Control Credit message.
User configurable variables format.
Definition: l2cap.h:286
Type definitions and macros for BLE stack.
uint16 L2CAP_BuildCmdReject(uint8 *pBuf, uint8 *pCmd)
Build Command Reject.
uint16 dstCID
Represents CID on device receiving request and sending response.
Definition: l2cap.h:368
uint16 mps
Specifies maximum payload size that can be received on this channel.
Definition: l2cap.h:370
Information Request format.
Definition: l2cap.h:334
bStatus_t L2CAP_CmdReject(uint16 connHandle, uint8 id, l2capCmdReject_t *pCmdReject)
Send Command Reject.
uint16 intervalMax
Maximum Interval.
Definition: l2cap.h:322
OSAL Event Header.
Definition: osal.h:92
l2capInfoReq_t infoReq
Information Request - not supported.
Definition: l2cap.h:506
bStatus_t L2CAP_PsmInfo(uint16 psm, l2capPsmInfo_t *pInfo)
Get information about a given registered PSM.
l2capCreditEvt_t creditEvt
Out Of Credit Event or Peer Credit Threshold Event.
Definition: l2cap.h:521
bStatus_t L2CAP_ParseInfoReq(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Information Request message.
l2capDisconnectRsp_t disconnectRsp
Disconnection Response.
Definition: l2cap.h:516
l2capChannelEstEvt_t channelEstEvt
Channel Established Event.
Definition: l2cap.h:519
void L2CAP_SetBufSize(uint16 dataPktLen, uint8 numDataPkts)
This API is used by the upper layer to set the maximum data packet size and the number of data packet...
uint16 initPeerCredits
Number of LE-frames that peer device can send.
Definition: l2cap.h:603
uint16 slaveLatency
Slave Latency.
Definition: l2cap.h:323
uint16 connHandle
connection message was received on
Definition: l2cap.h:535
L2CAP packet structure.
Definition: l2cap.h:542
OSAL L2CAP_SIGNAL_EVENT message format.
Definition: l2cap.h:532
l2capPacket_t pkt
received packet
Definition: l2cap.h:565
bStatus_t L2CAP_DeregisterPsm(uint8 taskId, uint16 psm)
Deregister a Protocol/Service Multiplexer with L2CAP.
uint16 mtu
Maximum SDU size that can be received by local device.
Definition: l2cap.h:399
uint16 peerCID
Peer channel id.
Definition: l2cap.h:456
uint16 mtu
Maximum SDU size that can be received by local device.
Definition: l2cap.h:411
bStatus_t L2CAP_ConnParamUpdateReq(uint16 connHandle, l2capParamUpdateReq_t *pUpdateReq, uint8 taskId)
Send Connection Parameter Update Request.
uint16 psm
PSM that channel belongs to.
Definition: l2cap.h:410
l2capFlowCtrlCredit_t credit
LE Flow Control Credit.
Definition: l2cap.h:509
uint16 mps
Maximum payload size that can be received by local device.
Definition: l2cap.h:412
uint16 reason
Reason: L2CAP Command Reject Reason Codes.
Definition: l2cap.h:309
Flow Control Credit format.
Definition: l2cap.h:390
uint16 dstCID
Specifies CID to be disconnected on device receiving request.
Definition: l2cap.h:378
l2capCoCInfo_t info
Channel info.
Definition: l2cap.h:425
uint16 credits
Number of LE-frames that local device can send.
Definition: l2cap.h:413
uint16 infoType
Information type: L2CAP Information Request/Response Info Types.
Definition: l2cap.h:351
uint16 credits
Number of LE-frames that can be sent to local device.
Definition: l2cap.h:393
l2capCoCInfo_t info
Channel info.
Definition: l2cap.h:444
uint16 L2CAP_GetParamValue(void)
Get the L2CAP parameter value.
L2CAP_SEND_SDU_DONE_EVT message format.
Definition: l2cap.h:480
void L2CAP_SetControllerToHostFlowCtrl(uint16 hostBuffSize, uint8 flowCtrlMode)
Turn flow control on or off for data packets sent from the Controller to the Host.
Status_t bStatus_t
BLE Generic Status return.
Definition: bcomdef.h:227
uint16 timeoutMultiplier
Timeout Multiplier.
Definition: l2cap.h:324
void L2CAP_SetParamValue(uint16 value)
Set the L2CAP parameter value.
uint16 CID
Local channel id.
Definition: l2cap.h:468
uint16 CID
Local channel id.
Definition: l2cap.h:443
Connection Response format.
Definition: l2cap.h:366
uint16 srcCID
Identifies CID on device receiving response.
Definition: l2cap.h:386
bStatus_t L2CAP_ChannelInfo(uint16 CID, l2capChannelInfo_t *pInfo)
Get information about a given active Connection Oriented Channel.
uint16 L2CAP_BuildParamUpdateRsp(uint8 *pBuf, uint8 *pData)
Build Connection Parameter Update Response.
uint16 psm
Registered PSM.
Definition: l2cap.h:601
l2capChannelTermEvt_t channelTermEvt
Channel Terminated Event.
Definition: l2cap.h:520
void * L2CAP_bm_alloc(uint16 size)
L2CAP implementation of the allocator functionality.
Connection Parameter Update Response format.
Definition: l2cap.h:328
uint16 peerCID
Peer channel id.
Definition: l2cap.h:469
Connection Parameter Update Request format.
Definition: l2cap.h:319
bStatus_t L2CAP_ParseParamUpdateReq(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Connection Parameter Update Request.
l2capConnectReq_t connectReq
LE Credit Based Connection Request.
Definition: l2cap.h:507
uint16 mtu
Specifies maximum SDU size that can be received on this channel.
Definition: l2cap.h:360
OSAL L2CAP_DATA_EVENT message format.
Definition: l2cap.h:561
uint8 maxNumChannels
Maximum number of CO Channels supported by PSM.
Definition: l2cap.h:605
uint16 result
Indicates outcome of connection request: L2CAP Connection Response Result Values. ...
Definition: l2cap.h:442
l2capCmdReject_t cmdReject
Command Reject.
Definition: l2cap.h:514
bStatus_t L2CAP_SendData(uint16 connHandle, l2capPacket_t *pPkt)
Send data packet over an L2CAP fixed channel established over a physical connection.
uint16 credits
Local credits.
Definition: l2cap.h:483
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