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Diffstat (limited to 'stack/include/mca_api.h')
| -rw-r--r-- | stack/include/mca_api.h | 495 |
1 files changed, 495 insertions, 0 deletions
diff --git a/stack/include/mca_api.h b/stack/include/mca_api.h new file mode 100644 index 0000000..d455e5b --- /dev/null +++ b/stack/include/mca_api.h @@ -0,0 +1,495 @@ +/****************************************************************************** + * + * Copyright (C) 2009-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This interface file contains the interface to the Multi-Channel + * Adaptation Protocol (MCAP). + * + ******************************************************************************/ +#ifndef MCA_API_H +#define MCA_API_H + +#include "bt_target.h" +#include "l2c_api.h" + +/* move the following to bt_target.h or other place later */ +#define MCA_NUM_TC_TBL ((MCA_NUM_REGS)*(MCA_NUM_LINKS)*(MCA_NUM_MDLS+1)) +#define MCA_NUM_CCBS ((MCA_NUM_REGS)*(MCA_NUM_LINKS)) /* Number of control channel control blocks */ +#define MCA_NUM_DCBS ((MCA_NUM_REGS)*(MCA_NUM_LINKS)*(MCA_NUM_MDLS)) /* Number of data channel control blocks */ + + +/***************************************************************************** +** constants +*****************************************************************************/ +/* API function return value result codes. */ +#define MCA_SUCCESS 0 /* Function successful */ +#define MCA_BAD_PARAMS 1 /* Invalid parameters */ +#define MCA_NO_RESOURCES 2 /* Not enough resources */ +#define MCA_BAD_HANDLE 3 /* Bad handle */ +#define MCA_BUSY 4 /* A procedure is already in progress */ +#define MCA_WRITE_FAIL 5 /* Write failed */ +#define MCA_BAD_MDL_ID 6 /* MDL ID is not valid for the current API */ +typedef UINT8 tMCA_RESULT; + +/* MDEP data type. */ +#define MCA_TDEP_ECHO 0 /* MDEP for echo test */ +#define MCA_TDEP_DATA 1 /* MDEP for normal data */ + +/* Control callback events. */ +#define MCA_ERROR_RSP_EVT 0 /* error response */ +#define MCA_CREATE_IND_EVT 1 /* create mdl indication */ +#define MCA_CREATE_CFM_EVT 2 /* create mdl confirm */ +#define MCA_RECONNECT_IND_EVT 3 /* reconnect mdl indication */ +#define MCA_RECONNECT_CFM_EVT 4 /* reconnect mdl confirm */ +#define MCA_ABORT_IND_EVT 5 /* abort mdl indication */ +#define MCA_ABORT_CFM_EVT 6 /* abort mdl confirm */ +#define MCA_DELETE_IND_EVT 7 /* delete mdl indication */ +#define MCA_DELETE_CFM_EVT 8 /* delete mdl confirm */ + +#define MCA_SYNC_CAP_IND_EVT 0x11 /* request sync capabilities & requirements */ +#define MCA_SYNC_CAP_CFM_EVT 0x12 /* indicate completion */ +#define MCA_SYNC_SET_IND_EVT 0x13 /* request to set the time-stamp clock */ +#define MCA_SYNC_SET_CFM_EVT 0x14 /* indicate completion */ +#define MCA_SYNC_INFO_IND_EVT 0x15 /* update of the actual time-stamp clock instant from the sync slave */ + +#define MCA_CONNECT_IND_EVT 0x20 /* Control channel connected */ +#define MCA_DISCONNECT_IND_EVT 0x21 /* Control channel disconnected */ +#define MCA_OPEN_IND_EVT 0x22 /* Data channel open indication */ +#define MCA_OPEN_CFM_EVT 0x23 /* Data channel open confirm */ +#define MCA_CLOSE_IND_EVT 0x24 /* Data channel close indication */ +#define MCA_CLOSE_CFM_EVT 0x25 /* Data channel close confirm */ +#define MCA_CONG_CHG_EVT 0x26 /* congestion change event */ +#define MCA_RSP_TOUT_IND_EVT 0x27 /* Control channel message response timeout */ +/***************************************************************************** +** Type Definitions +*****************************************************************************/ +typedef UINT8 tMCA_HANDLE; /* the handle for registration. 1 based index to rcb */ +typedef UINT8 tMCA_CL; /* the handle for a control channel; reported at MCA_CONNECT_IND_EVT */ +typedef UINT8 tMCA_DEP; /* the handle for MCA_CreateDep. This is also the local mdep_id */ +typedef UINT16 tMCA_DL; /* the handle for the data channel. This is reported at MCA_OPEN_CFM_EVT or MCA_OPEN_IND_EVT */ + +/* This is the data callback function. It is executed when MCAP has a data +** packet ready for the application. +*/ +typedef void (tMCA_DATA_CBACK)(tMCA_DL mdl, BT_HDR *p_pkt); + + +/* This structure contains parameters which are set at registration. */ +typedef struct { + UINT32 rsp_tout; /* MCAP signaling response timeout */ + UINT16 ctrl_psm; /* L2CAP PSM for the MCAP control channel */ + UINT16 data_psm; /* L2CAP PSM for the MCAP data channel */ + UINT16 sec_mask; /* Security mask for BTM_SetSecurityLevel() */ +} tMCA_REG; + +/* This structure contains parameters to create a MDEP. */ +typedef struct { + UINT8 type; /* MCA_TDEP_DATA, or MCA_TDEP_ECHO. a regiatration may have only one MCA_TDEP_ECHO MDEP */ + UINT8 max_mdl; /* The maximum number of MDLs for this MDEP (max is MCA_NUM_MDLS) */ + tMCA_DATA_CBACK *p_data_cback; /* Data callback function */ +} tMCA_CS; + +#define MCA_FCS_NONE 0 /* fcs_present=FALSE */ +#define MCA_FCS_BYPASS 0x10 /* fcs_present=TRUE, fcs=L2CAP_CFG_FCS_BYPASS */ +#define MCA_FCS_USE 0x11 /* fcs_present=TRUE, fcs=L2CAP_CFG_FCS_USE */ +#define MCA_FCS_PRESNT_MASK 0x10 /* fcs_present=TRUE */ +#define MCA_FCS_USE_MASK 0x01 /* mask for fcs */ +typedef UINT8 tMCA_FCS_OPT; + +/* This structure contains L2CAP configuration parameters for the channel. */ +typedef struct { + tL2CAP_FCR_OPTS fcr_opt; + UINT8 user_rx_pool_id; + UINT8 user_tx_pool_id; + UINT8 fcr_rx_pool_id; + UINT8 fcr_tx_pool_id; + tMCA_FCS_OPT fcs; + UINT16 data_mtu; /* L2CAP MTU of the MCAP data channel */ +} tMCA_CHNL_CFG; + + +/* Header structure for callback event parameters. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + UINT8 op_code; /* The op (request/response) code */ +} tMCA_EVT_HDR; + +/* Response Header structure for callback event parameters. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + UINT8 op_code; /* The op (request/response) code */ + UINT8 rsp_code; /* The response code */ +} tMCA_RSP_EVT; + +/* This data structure is associated with the MCA_CREATE_IND_EVT. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + UINT8 op_code; /* The op (request/response) code */ + UINT8 dep_id; /* MDEP ID */ + UINT8 cfg; /* The configuration to negotiate */ +} tMCA_CREATE_IND; + +/* This data structure is associated with the MCA_CREATE_CFM_EVT. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + UINT8 op_code; /* The op (request/response) code */ + UINT8 rsp_code; /* The response code. */ + UINT8 cfg; /* The configuration to negotiate */ +} tMCA_CREATE_CFM; + +/* This data structure is associated with MCA_CONNECT_IND_EVT. */ +typedef struct { + BD_ADDR bd_addr; /* The peer address */ + UINT16 mtu; /* peer mtu */ +} tMCA_CONNECT_IND; + +/* This data structure is associated with MCA_DISCONNECT_IND_EVT. */ +typedef struct { + BD_ADDR bd_addr; /* The peer address */ + UINT16 reason; /* disconnect reason given by L2CAP */ +} tMCA_DISCONNECT_IND; + +/* This data structure is associated with MCA_OPEN_IND_EVT, and MCA_OPEN_CFM_EVT. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + tMCA_DL mdl; /* The handle for the data channel */ + UINT16 mtu; /* peer mtu */ +} tMCA_DL_OPEN; + +/* This data structure is associated with MCA_CLOSE_IND_EVT and MCA_CLOSE_CFM_EVT. */ +typedef struct { + UINT16 mdl_id; /* The associated MDL ID */ + tMCA_DL mdl; /* The handle for the data channel */ + UINT16 reason; /* disconnect reason given by L2CAP */ +} tMCA_DL_CLOSE; + +/* This data structure is associated with MCA_CONG_CHG_EVT. */ +typedef struct { + UINT16 mdl_id; /* N/A - This is a place holder */ + tMCA_DL mdl; /* The handle for the data channel */ + BOOLEAN cong; /* TRUE, if the channel is congested */ +} tMCA_CONG_CHG; + +/* Union of all control callback event data structures */ +typedef union { + tMCA_EVT_HDR hdr; + tMCA_RSP_EVT rsp; + tMCA_CREATE_IND create_ind; + tMCA_CREATE_CFM create_cfm; + tMCA_EVT_HDR reconnect_ind; + tMCA_RSP_EVT reconnect_cfm; + tMCA_EVT_HDR abort_ind; + tMCA_RSP_EVT abort_cfm; + tMCA_EVT_HDR delete_ind; + tMCA_RSP_EVT delete_cfm; + tMCA_CONNECT_IND connect_ind; + tMCA_DISCONNECT_IND disconnect_ind; + tMCA_DL_OPEN open_ind; + tMCA_DL_OPEN open_cfm; + tMCA_DL_CLOSE close_ind; + tMCA_DL_CLOSE close_cfm; + tMCA_CONG_CHG cong_chg; +} tMCA_CTRL; + +/* This is the control callback function. This function passes control events +** to the application. +*/ +typedef void (tMCA_CTRL_CBACK)(tMCA_HANDLE handle, tMCA_CL mcl, UINT8 event, + tMCA_CTRL *p_data); + + +/******************************************************************************* +** +** Function MCA_Init +** +** Description Initialize MCAP internal control blocks. +** This function is called at stack start up. +** +** Returns void +** +*******************************************************************************/ +MCA_API extern void MCA_Init(void); + +/******************************************************************************* +** +** Function MCA_SetTraceLevel +** +** Description This function sets the debug trace level for MCA. +** If 0xff is passed, the current trace level is returned. +** +** Input Parameters: +** level: The level to set the MCA tracing to: +** 0xff-returns the current setting. +** 0-turns off tracing. +** >= 1-Errors. +** >= 2-Warnings. +** >= 3-APIs. +** >= 4-Events. +** >= 5-Debug. +** +** Returns The new trace level or current trace level if +** the input parameter is 0xff. +** +*******************************************************************************/ +MCA_API extern UINT8 MCA_SetTraceLevel (UINT8 level); + +/******************************************************************************* +** +** Function MCA_Register +** +** Description This function registers an MCAP implementation. +** It is assumed that the control channel PSM and data channel +** PSM are not used by any other instances of the stack. +** If the given p_reg->ctrl_psm is 0, this handle is INT only. +** +** Returns 0, if failed. Otherwise, the MCA handle. +** +*******************************************************************************/ +MCA_API extern tMCA_HANDLE MCA_Register(tMCA_REG *p_reg, tMCA_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function MCA_Deregister +** +** Description This function is called to deregister an MCAP implementation. +** Before this function can be called, all control and data +** channels must be removed with MCA_DisconnectReq and MCA_CloseReq. +** +** Returns void +** +*******************************************************************************/ +MCA_API extern void MCA_Deregister(tMCA_HANDLE handle); + +/******************************************************************************* +** +** Function MCA_CreateDep +** +** Description Create a data endpoint. If the MDEP is created successfully, +** the MDEP ID is returned in *p_dep. After a data endpoint is +** created, an application can initiate a connection between this +** endpoint and an endpoint on a peer device. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_CreateDep(tMCA_HANDLE handle, tMCA_DEP *p_dep, tMCA_CS *p_cs); + +/******************************************************************************* +** +** Function MCA_DeleteDep +** +** Description Delete a data endpoint. This function is called when +** the implementation is no longer using a data endpoint. +** If this function is called when the endpoint is connected +** the connection is closed and the data endpoint +** is removed. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_DeleteDep(tMCA_HANDLE handle, tMCA_DEP dep); + +/******************************************************************************* +** +** Function MCA_ConnectReq +** +** Description This function initiates an MCAP control channel connection +** to the peer device. When the connection is completed, an +** MCA_CONNECT_IND_EVT is reported to the application via its +** control callback function. +** This control channel is identified by tMCA_CL. +** If the connection attempt fails, an MCA_DISCONNECT_IND_EVT is +** reported. The security mask parameter overrides the outgoing +** security mask set in MCA_Register(). +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_ConnectReq(tMCA_HANDLE handle, BD_ADDR bd_addr, + UINT16 ctrl_psm, + UINT16 sec_mask); + +/******************************************************************************* +** +** Function MCA_DisconnectReq +** +** Description This function disconnect an MCAP control channel +** to the peer device. +** If associated data channel exists, they are disconnected. +** When the MCL is disconnected an MCA_DISCONNECT_IND_EVT is +** reported to the application via its control callback function. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_DisconnectReq(tMCA_CL mcl); + +/******************************************************************************* +** +** Function MCA_CreateMdl +** +** Description This function sends a CREATE_MDL request to the peer device. +** When the response is received, a MCA_CREATE_CFM_EVT is reported +** with the given MDL ID. +** If the response is successful, a data channel is open +** with the given p_chnl_cfg +** When the data channel is open successfully, a MCA_OPEN_CFM_EVT +** is reported. This data channel is identified as tMCA_DL. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_CreateMdl(tMCA_CL mcl, tMCA_DEP dep, UINT16 data_psm, + UINT16 mdl_id, UINT8 peer_dep_id, + UINT8 cfg, const tMCA_CHNL_CFG *p_chnl_cfg); + +/******************************************************************************* +** +** Function MCA_CreateMdlRsp +** +** Description This function sends a CREATE_MDL response to the peer device +** in response to a received MCA_CREATE_IND_EVT. +** If the rsp_code is successful, a data channel is open +** with the given p_chnl_cfg +** When the data channel is open successfully, a MCA_OPEN_IND_EVT +** is reported. This data channel is identified as tMCA_DL. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_CreateMdlRsp(tMCA_CL mcl, tMCA_DEP dep, + UINT16 mdl_id, UINT8 cfg, UINT8 rsp_code, + const tMCA_CHNL_CFG *p_chnl_cfg); + +/******************************************************************************* +** +** Function MCA_CloseReq +** +** Description Close a data channel. When the channel is closed, an +** MCA_CLOSE_CFM_EVT is sent to the application via the +** control callback function for this handle. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_CloseReq(tMCA_DL mdl); + +/******************************************************************************* +** +** Function MCA_ReconnectMdl +** +** Description This function sends a RECONNECT_MDL request to the peer device. +** When the response is received, a MCA_RECONNECT_CFM_EVT is reported. +** If the response is successful, a data channel is open. +** When the data channel is open successfully, a MCA_OPEN_CFM_EVT +** is reported. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_ReconnectMdl(tMCA_CL mcl, tMCA_DEP dep, UINT16 data_psm, + UINT16 mdl_id, const tMCA_CHNL_CFG *p_chnl_cfg); + +/******************************************************************************* +** +** Function MCA_ReconnectMdlRsp +** +** Description This function sends a RECONNECT_MDL response to the peer device +** in response to a MCA_RECONNECT_IND_EVT event. +** If the response is successful, a data channel is open. +** When the data channel is open successfully, a MCA_OPEN_IND_EVT +** is reported. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_ReconnectMdlRsp(tMCA_CL mcl, tMCA_DEP dep, + UINT16 mdl_id, UINT8 rsp_code, + const tMCA_CHNL_CFG *p_chnl_cfg); + +/******************************************************************************* +** +** Function MCA_DataChnlCfg +** +** Description This function initiates a data channel connection toward the +** connected peer device. +** When the data channel is open successfully, a MCA_OPEN_CFM_EVT +** is reported. This data channel is identified as tMCA_DL. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_DataChnlCfg(tMCA_CL mcl, const tMCA_CHNL_CFG *p_chnl_cfg); + +/******************************************************************************* +** +** Function MCA_Abort +** +** Description This function sends a ABORT_MDL request to the peer device. +** When the response is received, a MCA_ABORT_CFM_EVT is reported. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_Abort(tMCA_CL mcl); + +/******************************************************************************* +** +** Function MCA_Delete +** +** Description This function sends a DELETE_MDL request to the peer device. +** When the response is received, a MCA_DELETE_CFM_EVT is reported. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_Delete(tMCA_CL mcl, UINT16 mdl_id); + +/******************************************************************************* +** +** Function MCA_WriteReq +** +** Description Send a data packet to the peer device. +** +** The application passes the packet using the BT_HDR structure. +** The offset field must be equal to or greater than L2CAP_MIN_OFFSET. +** This allows enough space in the buffer for the L2CAP header. +** +** The memory pointed to by p_pkt must be a GKI buffer +** allocated by the application. This buffer will be freed +** by the protocol stack; the application must not free +** this buffer. +** +** Returns MCA_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +MCA_API extern tMCA_RESULT MCA_WriteReq(tMCA_DL mdl, BT_HDR *p_pkt); + +/******************************************************************************* +** +** Function MCA_GetL2CapChannel +** +** Description Get the L2CAP CID used by the given data channel handle. +** +** Returns L2CAP channel ID if successful, otherwise 0. +** +*******************************************************************************/ +MCA_API extern UINT16 MCA_GetL2CapChannel (tMCA_DL mdl); + +#endif /* MCA_API_H */ |