| /****************************************************************************** |
| * |
| * Copyright (C) 2001-2012 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 Bluetooth Network |
| * Encapsilation Protocol (BNEP). |
| * |
| ******************************************************************************/ |
| #ifndef BNEP_API_H |
| #define BNEP_API_H |
| |
| #include "l2c_api.h" |
| |
| /***************************************************************************** |
| * Constants |
| ****************************************************************************/ |
| |
| /* Define the minimum offset needed in a GKI buffer for |
| * sending BNEP packets. Note, we are currently not sending |
| * extension headers, but may in the future, so allow |
| * space for them |
| */ |
| #define BNEP_MINIMUM_OFFSET (15 + L2CAP_MIN_OFFSET) |
| #define BNEP_INVALID_HANDLE 0xFFFF |
| |
| /***************************************************************************** |
| * Type Definitions |
| ****************************************************************************/ |
| |
| /* Define the result codes from BNEP |
| */ |
| enum { |
| BNEP_SUCCESS, /* Success */ |
| BNEP_CONN_DISCONNECTED, /* Connection terminated */ |
| BNEP_NO_RESOURCES, /* No resources */ |
| BNEP_MTU_EXCEDED, /* Attempt to write long data */ |
| BNEP_INVALID_OFFSET, /* Insufficient offset in GKI buffer */ |
| BNEP_CONN_FAILED, /* Connection failed */ |
| BNEP_CONN_FAILED_CFG, /* Connection failed cos of config */ |
| BNEP_CONN_FAILED_SRC_UUID, /* Connection failed wrong source UUID */ |
| BNEP_CONN_FAILED_DST_UUID, /* Connection failed wrong destination UUID */ |
| BNEP_CONN_FAILED_UUID_SIZE, /* Connection failed wrong size UUID */ |
| BNEP_Q_SIZE_EXCEEDED, /* Too many buffers to dest */ |
| BNEP_TOO_MANY_FILTERS, /* Too many local filters specified */ |
| BNEP_SET_FILTER_FAIL, /* Set Filter failed */ |
| BNEP_WRONG_HANDLE, /* Wrong handle for the connection */ |
| BNEP_WRONG_STATE, /* Connection is in wrong state */ |
| BNEP_SECURITY_FAIL, /* Failed because of security */ |
| BNEP_IGNORE_CMD, /* To ignore the rcvd command */ |
| BNEP_TX_FLOW_ON, /* tx data flow enabled */ |
| BNEP_TX_FLOW_OFF /* tx data flow disabled */ |
| |
| }; |
| typedef uint8_t tBNEP_RESULT; |
| |
| /*************************** |
| * Callback Functions |
| ***************************/ |
| |
| /* Connection state change callback prototype. Parameters are |
| * Connection handle |
| * BD Address of remote |
| * Connection state change result |
| * BNEP_SUCCESS indicates connection is success |
| * All values are used to indicate the reason for failure |
| * Flag to indicate if it is just a role change |
| */ |
| typedef void(tBNEP_CONN_STATE_CB)(uint16_t handle, const RawAddress& rem_bda, |
| tBNEP_RESULT result, bool is_role_change); |
| |
| /* Connection indication callback prototype. Parameters are |
| * BD Address of remote, remote UUID and local UUID |
| * and flag to indicate role change and handle to the connection |
| * When BNEP calls this function profile should |
| * use BNEP_ConnectResp call to accept or reject the request |
| */ |
| typedef void(tBNEP_CONNECT_IND_CB)(uint16_t handle, const RawAddress& bd_addr, |
| tBT_UUID* remote_uuid, tBT_UUID* local_uuid, |
| bool is_role_change); |
| |
| /* Data buffer received indication callback prototype. Parameters are |
| * Handle to the connection |
| * Source BD/Ethernet Address |
| * Dest BD/Ethernet address |
| * Protocol |
| * Pointer to the buffer |
| * Flag to indicate whether extension headers to be forwarded are |
| * present |
| */ |
| typedef void(tBNEP_DATA_BUF_CB)(uint16_t handle, const RawAddress& src, |
| const RawAddress& dst, uint16_t protocol, |
| BT_HDR* p_buf, bool fw_ext_present); |
| |
| /* Data received indication callback prototype. Parameters are |
| * Handle to the connection |
| * Source BD/Ethernet Address |
| * Dest BD/Ethernet address |
| * Protocol |
| * Pointer to the beginning of the data |
| * Length of data |
| * Flag to indicate whether extension headers to be forwarded are |
| * present |
| */ |
| typedef void(tBNEP_DATA_IND_CB)(uint16_t handle, const RawAddress& src, |
| const RawAddress& dst, uint16_t protocol, |
| uint8_t* p_data, uint16_t len, |
| bool fw_ext_present); |
| |
| /* Flow control callback for TX data. Parameters are |
| * Handle to the connection |
| * Event flow status |
| */ |
| typedef void(tBNEP_TX_DATA_FLOW_CB)(uint16_t handle, tBNEP_RESULT event); |
| |
| /* Filters received indication callback prototype. Parameters are |
| * Handle to the connection |
| * true if the cb is called for indication |
| * Ignore this if it is indication, otherwise it is the result |
| * for the filter set operation performed by the local |
| * device |
| * Number of protocol filters present |
| * Pointer to the filters start. Filters are present in pairs |
| * of start of the range and end of the range. |
| * They will be present in big endian order. First |
| * two bytes will be starting of the first range and |
| * next two bytes will be ending of the range. |
| */ |
| typedef void(tBNEP_FILTER_IND_CB)(uint16_t handle, bool indication, |
| tBNEP_RESULT result, uint16_t num_filters, |
| uint8_t* p_filters); |
| |
| /* Multicast Filters received indication callback prototype. Parameters are |
| * Handle to the connection |
| * true if the cb is called for indication |
| * Ignore this if it is indication, otherwise it is the result |
| * for the filter set operation performed by the local |
| * device |
| * Number of multicast filters present |
| * Pointer to the filters start. Filters are present in pairs |
| * of start of the range and end of the range. |
| * First six bytes will be starting of the first range and |
| * next six bytes will be ending of the range. |
| */ |
| typedef void(tBNEP_MFILTER_IND_CB)(uint16_t handle, bool indication, |
| tBNEP_RESULT result, uint16_t num_mfilters, |
| uint8_t* p_mfilters); |
| |
| /* This is the structure used by profile to register with BNEP */ |
| typedef struct { |
| tBNEP_CONNECT_IND_CB* p_conn_ind_cb; /* To indicate the conn request */ |
| tBNEP_CONN_STATE_CB* p_conn_state_cb; /* To indicate conn state change */ |
| tBNEP_DATA_IND_CB* p_data_ind_cb; /* To pass the data received */ |
| tBNEP_DATA_BUF_CB* p_data_buf_cb; /* To pass the data buffer received */ |
| tBNEP_TX_DATA_FLOW_CB* p_tx_data_flow_cb; /* data flow callback */ |
| tBNEP_FILTER_IND_CB* |
| p_filter_ind_cb; /* To indicate that peer set protocol filters */ |
| tBNEP_MFILTER_IND_CB* |
| p_mfilter_ind_cb; /* To indicate that peer set mcast filters */ |
| |
| } tBNEP_REGISTER; |
| |
| /* This is the structure used by profile to get the status of BNEP */ |
| typedef struct { |
| #define BNEP_STATUS_FAILE 0 |
| #define BNEP_STATUS_CONNECTED 1 |
| uint8_t con_status; |
| |
| uint16_t l2cap_cid; |
| RawAddress rem_bda; |
| uint16_t rem_mtu_size; |
| uint16_t xmit_q_depth; |
| |
| uint16_t sent_num_filters; |
| uint16_t sent_mcast_filters; |
| uint16_t rcvd_num_filters; |
| uint16_t rcvd_mcast_filters; |
| tBT_UUID src_uuid; |
| tBT_UUID dst_uuid; |
| |
| } tBNEP_STATUS; |
| |
| /***************************************************************************** |
| * External Function Declarations |
| ****************************************************************************/ |
| /******************************************************************************* |
| * |
| * Function BNEP_Register |
| * |
| * Description This function is called by the upper layer to register |
| * its callbacks with BNEP |
| * |
| * Parameters: p_reg_info - contains all callback function pointers |
| * |
| * |
| * Returns BNEP_SUCCESS if registered successfully |
| * BNEP_FAILURE if connection state callback is missing |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_Register(tBNEP_REGISTER* p_reg_info); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_Deregister |
| * |
| * Description This function is called by the upper layer to de-register |
| * its callbacks. |
| * |
| * Parameters: void |
| * |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| extern void BNEP_Deregister(void); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_Connect |
| * |
| * Description This function creates a BNEP connection to a remote |
| * device. |
| * |
| * Parameters: p_rem_addr - BD_ADDR of the peer |
| * src_uuid - source uuid for the connection |
| * dst_uuid - destination uuid for the connection |
| * p_handle - pointer to return the handle for the connection |
| * |
| * Returns BNEP_SUCCESS if connection started |
| * BNEP_NO_RESOURCES if no resources |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_Connect(const RawAddress& p_rem_bda, |
| tBT_UUID* src_uuid, tBT_UUID* dst_uuid, |
| uint16_t* p_handle); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_ConnectResp |
| * |
| * Description This function is called in responce to connection indication |
| * |
| * |
| * Parameters: handle - handle given in the connection indication |
| * resp - responce for the connection indication |
| * |
| * Returns BNEP_SUCCESS if connection started |
| * BNEP_WRONG_HANDLE if the connection is not found |
| * BNEP_WRONG_STATE if the responce is not expected |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_ConnectResp(uint16_t handle, tBNEP_RESULT resp); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_Disconnect |
| * |
| * Description This function is called to close the specified connection. |
| * |
| * Parameters: handle - handle of the connection |
| * |
| * Returns BNEP_SUCCESS if connection is disconnected |
| * BNEP_WRONG_HANDLE if no connection is not found |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_Disconnect(uint16_t handle); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_WriteBuf |
| * |
| * Description This function sends data in a GKI buffer on BNEP connection |
| * |
| * Parameters: handle - handle of the connection to write |
| * p_dest_addr - BD_ADDR/Ethernet addr of the destination |
| * p_buf - pointer to address of buffer with data |
| * protocol - protocol type of the packet |
| * p_src_addr - (optional) BD_ADDR/ethernet address of the |
| * source (should be NULL if it is the local BD |
| * Addr) |
| * fw_ext_present - forwarded extensions present |
| * |
| * Returns: BNEP_WRONG_HANDLE - if passed handle is not valid |
| * BNEP_MTU_EXCEDED - If the data length is greater |
| * than MTU |
| * BNEP_IGNORE_CMD - If the packet is filtered out |
| * BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full |
| * BNEP_SUCCESS - If written successfully |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_WriteBuf(uint16_t handle, |
| const RawAddress& p_dest_addr, BT_HDR* p_buf, |
| uint16_t protocol, |
| const RawAddress* p_src_addr, |
| bool fw_ext_present); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_Write |
| * |
| * Description This function sends data over a BNEP connection |
| * |
| * Parameters: handle - handle of the connection to write |
| * p_dest_addr - BD_ADDR/Ethernet addr of the destination |
| * p_data - pointer to data start |
| * protocol - protocol type of the packet |
| * p_src_addr - (optional) BD_ADDR/ethernet address of the |
| * source (should be NULL if it is the local BD |
| * Addr) |
| * fw_ext_present - forwarded extensions present |
| * |
| * Returns: BNEP_WRONG_HANDLE - if passed handle is not valid |
| * BNEP_MTU_EXCEDED - If the data length is greater than |
| * the MTU |
| * BNEP_IGNORE_CMD - If the packet is filtered out |
| * BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full |
| * BNEP_NO_RESOURCES - If not able to allocate a buffer |
| * BNEP_SUCCESS - If written successfully |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_Write(uint16_t handle, const RawAddress& p_dest_addr, |
| uint8_t* p_data, uint16_t len, uint16_t protocol, |
| const RawAddress* p_src_addr, |
| bool fw_ext_present); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_SetProtocolFilters |
| * |
| * Description This function sets the protocol filters on peer device |
| * |
| * Parameters: handle - Handle for the connection |
| * num_filters - total number of filter ranges |
| * p_start_array - Array of beginings of all protocol ranges |
| * p_end_array - Array of ends of all protocol ranges |
| * |
| * Returns BNEP_WRONG_HANDLE - if the connection handle is |
| * not valid |
| * BNEP_SET_FILTER_FAIL - if the connection is in the |
| * wrong state |
| * BNEP_TOO_MANY_FILTERS - if too many filters |
| * BNEP_SUCCESS - if request sent successfully |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_SetProtocolFilters(uint16_t handle, |
| uint16_t num_filters, |
| uint16_t* p_start_array, |
| uint16_t* p_end_array); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_SetMulticastFilters |
| * |
| * Description This function sets the filters for multicast addresses for |
| * BNEP. |
| * |
| * Parameters: handle - Handle for the connection |
| * num_filters - total number of filter ranges |
| * p_start_array - Pointer to sequence of beginings of all |
| * multicast address ranges |
| * p_end_array - Pointer to sequence of ends of all |
| * multicast address ranges |
| * |
| * Returns BNEP_WRONG_HANDLE - if the connection handle is |
| * not valid |
| * BNEP_SET_FILTER_FAIL - if the connection is in the |
| * wrong state |
| * BNEP_TOO_MANY_FILTERS - if too many filters |
| * BNEP_SUCCESS - if request sent successfully |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_SetMulticastFilters(uint16_t handle, |
| uint16_t num_filters, |
| uint8_t* p_start_array, |
| uint8_t* p_end_array); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_SetTraceLevel |
| * |
| * Description This function sets the trace level for BNEP. If called with |
| * a value of 0xFF, it simply reads the current trace level. |
| * |
| * Returns the new (current) trace level |
| * |
| ******************************************************************************/ |
| extern uint8_t BNEP_SetTraceLevel(uint8_t new_level); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_Init |
| * |
| * Description This function initializes the BNEP unit. It should be called |
| * before accessing any other APIs to initialize the control |
| * block |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| extern void BNEP_Init(void); |
| |
| /******************************************************************************* |
| * |
| * Function BNEP_GetStatus |
| * |
| * Description This function gets the status information for BNEP |
| * connection |
| * |
| * Returns BNEP_SUCCESS - if the status is available |
| * BNEP_NO_RESOURCES - if no structure is passed for |
| * output |
| * BNEP_WRONG_HANDLE - if the handle is invalid |
| * BNEP_WRONG_STATE - if not in connected state |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT BNEP_GetStatus(uint16_t handle, tBNEP_STATUS* p_status); |
| |
| #endif |
