44 #define L2CAP_MTU_SIZE 23 46 #define L2CAP_SDU_SIZE 65527 48 #define L2CAP_NUM_PSM_DEFAULT 3 50 #define L2CAP_NUM_CO_CHANNELS_DEFAULT 3 52 #define L2CAP_SIG_MTU_SIZE 23 54 #define L2CAP_HDR_SIZE 4 56 #define L2CAP_MAX_NOF_CREDITS 0xFFFF 58 #define L2CAP_LEN_FIELD_SIZE 2 68 #define L2CAP_INVALID_PSM 0x0000 70 #define L2CAP_FIXED_PSM_MIN 0x0001 71 #define L2CAP_FIXED_PSM_MAX 0x007F 73 #define L2CAP_DYNAMIC_PSM_MIN 0x0080 74 #define L2CAP_DYNAMIC_PSM_MAX 0x00FF 85 #define L2CAP_CID_NULL 0x0000 87 #define L2CAP_CID_ATT 0x0004 88 #define L2CAP_CID_SIG 0x0005 89 #define L2CAP_CID_SMP 0x0006 90 #define L2CAP_CID_GENERIC 0x0007 92 #define L2CAP_DYNAMIC_CID_MIN 0x0040 93 #define L2CAP_DYNAMIC_CID_MAX 0x007F 95 #define L2CAP_NUM_FIXED_CHANNELS 4 97 #define L2CAP_NUM_SIG_COMMANDS 1 109 #define L2CAP_RTX_TIMEOUT 30 115 #define L2CAP_CMD_REJECT 0x01 116 #define L2CAP_DISCONNECT_REQ 0x06 117 #define L2CAP_DISCONNECT_RSP 0x07 118 #define L2CAP_INFO_REQ 0x0a 119 #define L2CAP_INFO_RSP 0x0b 120 #define L2CAP_PARAM_UPDATE_REQ 0x12 121 #define L2CAP_PARAM_UPDATE_RSP 0x13 122 #define L2CAP_CONNECT_IND 0x14 123 #define L2CAP_CONNECT_RSP 0x15 124 #define L2CAP_FLOW_CTRL_CREDIT 0x16 133 #define L2CAP_CHANNEL_ESTABLISHED_EVT 0x60 134 #define L2CAP_CHANNEL_TERMINATED_EVT 0x61 135 #define L2CAP_OUT_OF_CREDIT_EVT 0x62 136 #define L2CAP_PEER_CREDIT_THRESHOLD_EVT 0x63 137 #define L2CAP_SEND_SDU_DONE_EVT 0x64 138 #define L2CAP_NUM_CTRL_DATA_PKT_EVT 0x65 147 #define L2CAP_REJECT_CMD_NOT_UNDERSTOOD 0x0000 148 #define L2CAP_REJECT_SIGNAL_MTU_EXCEED 0x0001 149 #define L2CAP_REJECT_INVALID_CID 0x0002 158 #define L2CAP_CONN_SUCCESS 0x0000 159 #define L2CAP_CONN_PSM_NOT_SUPPORTED 0x0002 160 #define L2CAP_CONN_NO_RESOURCES 0x0004 161 #define L2CAP_CONN_INSUFFICIENT_AUTHEN 0x0005 162 #define L2CAP_CONN_INSUFFICIENT_AUTHOR 0x0006 163 #define L2CAP_CONN_INSUFFICIENT_KEY_SIZE 0x0007 164 #define L2CAP_CONN_INSUFFICIENT_ENCRYPT 0x0008 165 #define L2CAP_CONN_INVALID_SRC_CID 0x0009 166 #define L2CAP_CONN_SRC_CID_ALREADY_ALLOC 0x000A 167 #define L2CAP_CONN_UNACCEPTABLE_PARAMS 0x000B 169 #define L2CAP_CONN_PENDING_SEC_VERIFY 0xFFFF 178 #define L2CAP_CONN_PARAMS_ACCEPTED 0x0000 179 #define L2CAP_CONN_PARAMS_REJECTED 0x0001 188 #define L2CAP_TERM_LINK_DOWN 0x0000 189 #define L2CAP_TERM_BY_PSM 0x0001 190 #define L2CAP_TERM_BY_PEER_PSM 0x0002 191 #define L2CAP_TERM_MAX_CREDIT_EXCEED 0x0003 192 #define L2CAP_TERM_SDU_LEN_EXCEED 0x0004 193 #define L2CAP_TERM_PSM_MTU_EXCEED 0x0005 194 #define L2CAP_TERM_RX_PKT_NO_CREDIT 0x0006 195 #define L2CAP_TERM_RX_ERROR 0x0007 196 #define L2CAP_TERM_TX_ERROR 0x0008 197 #define L2CAP_TERM_MEM_ALLOC_ERROR 0x0009 206 #define L2CAP_CLOSED 0x00 207 #define L2CAP_OPEN 0x01 208 #define L2CAP_PENDING_CONN_RSP 0x02 209 #define L2CAP_PENDING_DISCONN_RSP 0x03 210 #define L2CAP_PENDING_PARAM_UPDATE_RSP 0x04 211 #define L2CAP_PENDING_INFO_RSP 0x05 212 #define L2CAP_PENDING_SEC_VERIFY 0x06 221 #define L2CAP_INFO_CONNLESS_MTU 0x0001 222 #define L2CAP_INFO_EXTENDED_FEATURES 0x0002 223 #define L2CAP_INFO_FIXED_CHANNELS 0x0003 230 #define L2CAP_FIXED_CHANNELS 0x00000080 232 #define L2CAP_EXTENDED_FEATURES_SIZE 4 237 #define L2CAP_FIXED_CHANNELS_ATT 0x10 239 #define L2CAP_FIXED_CHANNELS_SIG 0x20 241 #define L2CAP_FIXED_CHANNELS_SMP 0x40 243 #define L2CAP_FIXED_CHANNELS_SIZE 8 248 #define L2CAP_INFO_SUCCESS 0x0000 250 #define L2CAP_INFO_NOT_SUPPORTED 0x0001 257 #if defined ( TESTMODES ) 259 #define L2CAP_TESTMODE_OFF 0 260 #define L2CAP_TESTMODE_PSM_NOT_SUPPORTED 2 261 #define L2CAP_TESTMODE_NO_RESOURCES 4 262 #define L2CAP_TESTMODE_INSUFF_AUTHEN 5 263 #define L2CAP_TESTMODE_INSUFF_AUTHOR 6 264 #define L2CAP_TESTMODE_INSUFF_KEY_SIZE 7 265 #define L2CAP_TESTMODE_INSUFF_ENCRYPT 8 266 #define L2CAP_TESTMODE_INVALID_SRC_CID 9 267 #define L2CAP_TESTMODE_SRC_CID_ALREADY_ALLOC 10 268 #define L2CAP_TESTMODE_OUT_OF_RANGE_CREDITS 11 269 #define L2CAP_TESTMODE_SDU_LEN_EXCEED 12 270 #define L2CAP_TESTMODE_TX_PKT_NO_CREDIT 13 271 #define L2CAP_TESTMODE_BLOCK_DATA_TX 14 289 L2CAPCOC_RESPONDER = 0x01
324 #define maxSignalMTU reasonData.signalMTU 325 #define invalidLocalCID reasonData.invalidCID.localCID 326 #define invalidRemoteCID reasonData.invalidCID.remoteCID 622 uint16 initPeerCredits;
1071 extern void L2CAP_Init( uint8 taskId );
1082 extern uint16 L2CAP_ProcessEvent( uint8 taskId, uint16 events );
uint8 numActiveChannels
Number of active CO Channels.
Definition: l2cap.h:419
uint16 remoteCID
Source CID from the rejected command.
Definition: l2cap.h:307
Local channel information format.
Definition: l2cap.h:437
uint16 peerCreditThreshold
Low threshold for number of peer credits.
Definition: l2cap.h:417
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:579
l2capConnectRsp_t connectRsp
LE Credit Based Connection Response.
Definition: l2cap.h:531
uint16 intervalMin
Minimum Interval.
Definition: l2cap.h:332
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:605
Command Reject format.
Definition: l2cap.h:318
bStatus_t L2CAP_ConnParamUpdateRsp(uint16 connHandle, uint8 id, l2capParamUpdateRsp_t *pUpdateRsp)
Send Connection Parameter Update Response.
uint16 CID
Local channel id.
Definition: l2cap.h:498
uint16 CID
local channel id
Definition: l2cap.h:560
Command Reject Reason Data format.
Definition: l2cap.h:311
l2capParamUpdateReq_t updateReq
Connection Parameter Update Request.
Definition: l2cap.h:521
uint8 maxNumCoChannels
Max number of Connection Oriented Channels: L2CAP_NUM_CO_CHANNELS_DEFAULT.
Definition: l2cap.h:300
Information Response Data field.
Definition: l2cap.h:351
uint16 totalLen
Total length of SDU being transmitted.
Definition: l2cap.h:502
uint16 localCID
Destination CID from the rejected command.
Definition: l2cap.h:306
bStatus_t L2CAP_RegisterPsm(l2capPsm_t *pPsm)
Register a Protocol/Service Multiplexer (PSM) with L2CAP.
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:243
uint16 initPeerCredits
Number of LE-frames that peer device can send.
Definition: l2cap.h:416
Connection oriented channel information format.
Definition: l2cap.h:423
uint16 result
Result.
Definition: l2cap.h:361
uint16 result
Indicates outcome of connection request: L2CAP Connection Response Result Values. ...
Definition: l2cap.h:387
Disconnection Response format (src/dst CIDs are relative to sender of request).
Definition: l2cap.h:398
uint16 mtu
Definition: l2cap.h:618
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:433
uint16 peerMps
Maximum payload size that can be received by peer device.
Definition: l2cap.h:431
Disconnection Request format (src/dst CIDs are relative to sender of request).
Definition: l2cap.h:391
l2capNumCtrlDataPktEvt_t numCtrlDataPktEvt
Number of Available Ctrl Data Packets Event.
Definition: l2cap.h:539
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:400
l2capInfoRsp_t infoRsp
Information Response - not supported.
Definition: l2cap.h:529
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:347
uint16 connectionlessMTU
Connectionless MTU.
Definition: l2cap.h:353
uint16 L2CAP_BuildConnectReq(uint8 *pBuf, uint8 *pData)
Build Connection Request.
uint16 psm
LE PSM.
Definition: l2cap.h:369
uint16 peerCID
Remote channel id.
Definition: l2cap.h:429
osal_event_hdr_t hdr
L2CAP_SIGNAL_EVENT and status.
Definition: l2cap.h:550
l2capReasonData_t reasonData
Reason Data.
Definition: l2cap.h:321
void L2CAP_SetUserConfig(l2capUserCfg_t *pUserCfg)
Set the user configurable variables for the L2CAP layer.
uint16 CID
Local channel id.
Definition: l2cap.h:471
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:394
uint16 CID
Represents Source CID of device sending credit packet.
Definition: l2cap.h:407
uint8 maxNumPSM
Max number of Protocol/Service Multiplexers (PSM): L2CAP_NUM_PSM_DEFAULT.
Definition: l2cap.h:299
uint16 peerCID
Peer channel id.
Definition: l2cap.h:500
uint16 mtu
Definition: l2cap.h:382
uint8 * pPayload
Definition: l2cap.h:561
l2capConEstablishRole_t
Address modes to initialize the local device.
Definition: l2cap.h:286
uint8 state
Channel connection state: L2CAP Channel States.
Definition: l2cap.h:439
uint16 txLen
Total number of octets transmitted.
Definition: l2cap.h:503
uint16 reason
Indicates reason for termination: L2CAP Channel Terminated Event Reason Values.
Definition: l2cap.h:473
uint8 taskId
Task registered with PSM.
Definition: l2cap.h:626
L2CAP PSM structure. Allocated one for each registered PSM.
Definition: l2cap.h:615
l2capInfo_t info
Content of Info field depends on infoType.
Definition: l2cap.h:363
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:552
void L2CAP_HostNumCompletedPkts(uint16 connHandle, uint16 numCompletedPkts)
Host Number of Completed Packets.
L2CAP_CHANNEL_TERMINATED_EVT message format.
Definition: l2cap.h:469
uint16 mps
Maximum payload size that can be received by local device.
Definition: l2cap.h:415
uint16 peripheralLatency
Peripheral Latency.
Definition: l2cap.h:334
PSM information format.
Definition: l2cap.h:412
uint16 result
Result: L2CAP Connection Parameter Update Response Result Values.
Definition: l2cap.h:341
Union of all L2CAP Signaling commands.
Definition: l2cap.h:518
uint8 numDataPkt
Number of Data Packets Available.
Definition: l2cap.h:514
uint16 srcCID
Represents CID on device sending request and receiving response.
Definition: l2cap.h:370
l2capDisconnectReq_t disconnectReq
Disconnection Request.
Definition: l2cap.h:524
uint16 peerCreditThreshold
Low threshold for peer credit count.
Definition: l2cap.h:624
Connection Request format.
Definition: l2cap.h:367
uint16 signalMTU
Maximum Signaling MTU.
Definition: l2cap.h:313
uint16 peerCredits
Peer credits.
Definition: l2cap.h:501
L2CAP_OUT_OF_CREDIT_EVT or L2CAP_PEER_CREDIT_THRESHOLD_EVT message format.
Definition: l2cap.h:482
Invalid CID in Request format.
Definition: l2cap.h:304
uint8 maxNumChannels
Maximum number of CO Channels supported by PSM.
Definition: l2cap.h:418
pfnVerifySecCB_t pfnVerifySecCB
PSM security verification callback (can be NULL)
Definition: l2cap.h:627
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:432
uint16 connHandle
connection packet was received on
Definition: l2cap.h:580
uint32 extendedFeatures
Extended features supported.
Definition: l2cap.h:354
uint16 peerMtu
Maximum SDU size that can be received by peer device.
Definition: l2cap.h:430
Always Use Public Address.
Definition: l2cap.h:288
l2capSignalCmd_t cmd
command data
Definition: l2cap.h:554
l2capParamUpdateRsp_t updateRsp
Connection Parameter Update Response.
Definition: l2cap.h:528
L2CAP_CHANNEL_ESTABLISHED_EVT message format.
Definition: l2cap.h:456
l2capSendSduDoneEvt_t sendSduDoneEvt
Send SDU Done Event.
Definition: l2cap.h:538
bStatus_t L2CAP_FlowCtrlCredit(uint16 CID, uint16 peerCredits)
Send Flow Control Credit.
l2capInvalidCID_t invalidCID
Invalid CID in Request.
Definition: l2cap.h:314
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:553
L2CAP_NUM_CTRL_DATA_PKT_EVT message format.
Definition: l2cap.h:512
uint16 credits
Definition: l2cap.h:486
Information Response format.
Definition: l2cap.h:359
bStatus_t L2CAP_ParseFlowCtrlCredit(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Flow Control Credit message.
User configurable variables format.
Definition: l2cap.h:297
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:381
Information Request format.
Definition: l2cap.h:345
bStatus_t L2CAP_CmdReject(uint16 connHandle, uint8 id, l2capCmdReject_t *pCmdReject)
Send Command Reject.
uint16 intervalMax
Maximum Interval.
Definition: l2cap.h:333
OSAL Event Header.
Definition: osal.h:92
l2capInfoReq_t infoReq
Information Request - not supported.
Definition: l2cap.h:522
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:537
bStatus_t L2CAP_ParseInfoReq(l2capSignalCmd_t *pCmd, uint8 *pData, uint16 len)
Parse Information Request message.
l2capDisconnectRsp_t disconnectRsp
Disconnection Response.
Definition: l2cap.h:532
l2capChannelEstEvt_t channelEstEvt
Channel Established Event.
Definition: l2cap.h:535
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 connHandle
connection message was received on
Definition: l2cap.h:551
L2CAP packet structure.
Definition: l2cap.h:558
OSAL L2CAP_SIGNAL_EVENT message format.
Definition: l2cap.h:548
l2capPacket_t pkt
received packet
Definition: l2cap.h:581
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:414
uint16 peerCID
Peer channel id.
Definition: l2cap.h:472
uint16 mtu
Maximum SDU size that can be received by local device.
Definition: l2cap.h:426
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:425
l2capFlowCtrlCredit_t credit
LE Flow Control Credit.
Definition: l2cap.h:525
uint16 mps
Maximum payload size that can be received by local device.
Definition: l2cap.h:427
uint16 reason
Reason: L2CAP Command Reject Reason Codes.
Definition: l2cap.h:320
Flow Control Credit format.
Definition: l2cap.h:405
uint16 dstCID
Specifies CID to be disconnected on device receiving request.
Definition: l2cap.h:393
l2capCoCInfo_t info
Channel info.
Definition: l2cap.h:440
uint16 credits
Number of LE-frames that local device can send.
Definition: l2cap.h:428
uint16 infoType
Information type: L2CAP Information Request/Response Info Types.
Definition: l2cap.h:362
uint16 credits
Number of LE-frames that can be sent to local device.
Definition: l2cap.h:408
l2capCoCInfo_t info
Channel info.
Definition: l2cap.h:460
uint16 L2CAP_GetParamValue(void)
Get the L2CAP parameter value.
L2CAP_SEND_SDU_DONE_EVT message format.
Definition: l2cap.h:496
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:246
uint16 timeoutMultiplier
Timeout Multiplier.
Definition: l2cap.h:335
void L2CAP_SetParamValue(uint16 value)
Set the L2CAP parameter value.
uint16 CID
Local channel id.
Definition: l2cap.h:484
uint16 CID
Local channel id.
Definition: l2cap.h:459
Connection Response format.
Definition: l2cap.h:379
uint16 srcCID
Identifies CID on device receiving response.
Definition: l2cap.h:401
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.
void L2CAP_GetUserConfig(l2capUserCfg_t *pL2capCfg)
Get the user configurable variables for the L2CAP layer.
uint16 psm
Registered PSM.
Definition: l2cap.h:617
l2capChannelTermEvt_t channelTermEvt
Channel Terminated Event.
Definition: l2cap.h:536
void * L2CAP_bm_alloc(uint16 size)
L2CAP implementation of the allocator functionality.
Connection Parameter Update Response format.
Definition: l2cap.h:339
uint16 peerCID
Peer channel id.
Definition: l2cap.h:485
Connection Parameter Update Request format.
Definition: l2cap.h:330
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:523
uint16 mtu
Definition: l2cap.h:371
OSAL L2CAP_DATA_EVENT message format.
Definition: l2cap.h:577
uint8 maxNumChannels
Maximum number of CO Channels supported by PSM.
Definition: l2cap.h:625
uint16 result
Indicates outcome of connection request: L2CAP Connection Response Result Values. ...
Definition: l2cap.h:458
l2capCmdReject_t cmdReject
Command Reject.
Definition: l2cap.h:530
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:499