| /****************************************************************************** |
| * |
| * Copyright 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 file contains the PAN API definitions |
| * |
| ******************************************************************************/ |
| #ifndef PAN_API_H |
| #define PAN_API_H |
| |
| #include "bnep_api.h" |
| |
| /***************************************************************************** |
| * Constants |
| ****************************************************************************/ |
| |
| /* Define the minimum offset needed in a GKI buffer for |
| * sending PAN packets. Note, we are currently not sending |
| * extension headers, but may in the future, so allow |
| * space for them |
| */ |
| #define PAN_MINIMUM_OFFSET BNEP_MINIMUM_OFFSET |
| |
| /* |
| * The handle is passed from BNEP to PAN. The same handle is used |
| * between PAN and application as well |
| */ |
| #define PAN_INVALID_HANDLE BNEP_INVALID_HANDLE |
| |
| /* Bit map for PAN roles */ |
| #define PAN_ROLE_CLIENT 0x01 /* PANU role */ |
| #define PAN_ROLE_GN_SERVER 0x02 /* GN role */ |
| #define PAN_ROLE_NAP_SERVER 0x04 /* NAP role */ |
| |
| /* Bitmap to indicate the usage of the Data */ |
| #define PAN_DATA_TO_HOST 0x01 |
| #define PAN_DATA_TO_LAN 0x02 |
| |
| /***************************************************************************** |
| * Type Definitions |
| ****************************************************************************/ |
| |
| /* Define the result codes from PAN */ |
| enum { |
| PAN_SUCCESS, /* Success */ |
| PAN_DISCONNECTED = BNEP_CONN_DISCONNECTED, /* Connection terminated */ |
| PAN_CONN_FAILED = BNEP_CONN_FAILED, /* Connection failed */ |
| PAN_NO_RESOURCES = BNEP_NO_RESOURCES, /* No resources */ |
| PAN_MTU_EXCEDED = BNEP_MTU_EXCEDED, /* Attempt to write long data */ |
| PAN_INVALID_OFFSET = |
| BNEP_INVALID_OFFSET, /* Insufficient offset in GKI buffer */ |
| PAN_CONN_FAILED_CFG = |
| BNEP_CONN_FAILED_CFG, /* Connection failed cos of config */ |
| PAN_INVALID_SRC_ROLE = |
| BNEP_CONN_FAILED_SRC_UUID, /* Connection failed wrong source UUID */ |
| PAN_INVALID_DST_ROLE = |
| BNEP_CONN_FAILED_DST_UUID, /* Connection failed wrong destination UUID */ |
| PAN_CONN_FAILED_UUID_SIZE = |
| BNEP_CONN_FAILED_UUID_SIZE, /* Connection failed wrong size UUID */ |
| PAN_Q_SIZE_EXCEEDED = BNEP_Q_SIZE_EXCEEDED, /* Too many buffers to dest */ |
| PAN_TOO_MANY_FILTERS = |
| BNEP_TOO_MANY_FILTERS, /* Too many local filters specified */ |
| PAN_SET_FILTER_FAIL = BNEP_SET_FILTER_FAIL, /* Set Filter failed */ |
| PAN_WRONG_HANDLE = BNEP_WRONG_HANDLE, /* Wrong handle for the connection */ |
| PAN_WRONG_STATE = BNEP_WRONG_STATE, /* Connection is in wrong state */ |
| PAN_SECURITY_FAIL = BNEP_SECURITY_FAIL, /* Failed because of security */ |
| PAN_IGNORE_CMD = BNEP_IGNORE_CMD, /* To ignore the rcvd command */ |
| PAN_TX_FLOW_ON = BNEP_TX_FLOW_ON, /* tx data flow enabled */ |
| PAN_TX_FLOW_OFF = BNEP_TX_FLOW_OFF, /* tx data flow disabled */ |
| PAN_FAILURE /* Failure */ |
| |
| }; |
| typedef uint8_t tPAN_RESULT; |
| |
| /***************************************************************** |
| * Callback Function Prototypes |
| ****************************************************************/ |
| |
| /* This is call back function used to report connection status |
| * to the application. The second parameter true means |
| * to create the bridge and false means to remove it. |
| */ |
| typedef void(tPAN_CONN_STATE_CB)(uint16_t handle, const RawAddress& bd_addr, |
| tPAN_RESULT state, bool is_role_change, |
| uint8_t src_role, uint8_t dst_role); |
| |
| /* This is call back function used to create bridge for the |
| * Connected device. The parameter "state" indicates |
| * whether to create the bridge or remove it. true means |
| * to create the bridge and false means to remove it. |
| */ |
| typedef void(tPAN_BRIDGE_REQ_CB)(const RawAddress& bd_addr, bool state); |
| |
| /* Data received indication callback prototype. Parameters are |
| * Source BD/Ethernet Address |
| * Dest BD/Ethernet address |
| * Protocol |
| * Address of buffer (or data if non-GKI) |
| * Length of data (non-GKI) |
| * ext is flag to indicate whether it has aby extension headers |
| * Flag used to indicate to forward on LAN |
| * false - Use it for internal stack |
| * true - Send it across the ethernet as well |
| */ |
| typedef void(tPAN_DATA_IND_CB)(uint16_t handle, const RawAddress& src, |
| const RawAddress& dst, uint16_t protocol, |
| uint8_t* p_data, uint16_t len, bool ext, |
| bool forward); |
| |
| /* Data buffer received indication callback prototype. Parameters are |
| * Source BD/Ethernet Address |
| * Dest BD/Ethernet address |
| * Protocol |
| * pointer to the data buffer |
| * ext is flag to indicate whether it has aby extension headers |
| * Flag used to indicate to forward on LAN |
| * false - Use it for internal stack |
| * true - Send it across the ethernet as well |
| */ |
| typedef void(tPAN_DATA_BUF_IND_CB)(uint16_t handle, const RawAddress& src, |
| const RawAddress& dst, uint16_t protocol, |
| BT_HDR* p_buf, bool ext, bool forward); |
| |
| /* Flow control callback for TX data. Parameters are |
| * Handle to the connection |
| * Event flow status |
| */ |
| typedef void(tPAN_TX_DATA_FLOW_CB)(uint16_t handle, tPAN_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(tPAN_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(tPAN_MFILTER_IND_CB)(uint16_t handle, bool indication, |
| tBNEP_RESULT result, uint16_t num_mfilters, |
| uint8_t* p_mfilters); |
| |
| /* This structure is used to register with PAN profile |
| * It is passed as a parameter to PAN_Register call. |
| */ |
| typedef struct { |
| tPAN_CONN_STATE_CB* pan_conn_state_cb; /* Connection state callback */ |
| tPAN_BRIDGE_REQ_CB* pan_bridge_req_cb; /* Bridge request callback */ |
| tPAN_DATA_IND_CB* pan_data_ind_cb; /* Data indication callback */ |
| tPAN_DATA_BUF_IND_CB* |
| pan_data_buf_ind_cb; /* Data buffer indication callback */ |
| tPAN_FILTER_IND_CB* |
| pan_pfilt_ind_cb; /* protocol filter indication callback */ |
| tPAN_MFILTER_IND_CB* |
| pan_mfilt_ind_cb; /* multicast filter indication callback */ |
| tPAN_TX_DATA_FLOW_CB* pan_tx_data_flow_cb; /* data flow callback */ |
| char* user_service_name; /* Service name for PANU role */ |
| char* gn_service_name; /* Service name for GN role */ |
| char* nap_service_name; /* Service name for NAP role */ |
| |
| } tPAN_REGISTER; |
| |
| /***************************************************************************** |
| * External Function Declarations |
| ****************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Register |
| * |
| * Description This function is called by the application to register |
| * its callbacks with PAN profile. The application then |
| * should set the PAN role explicitly. |
| * |
| * Parameters: p_register - contains all callback function pointers |
| * |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| extern void PAN_Register(tPAN_REGISTER* p_register); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Deregister |
| * |
| * Description This function is called by the application to de-register |
| * its callbacks with PAN profile. This will make the PAN to |
| * become inactive. This will deregister PAN services from SDP |
| * and close all active connections |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| extern void PAN_Deregister(void); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetRole |
| * |
| * Description This function is called by the application to set the PAN |
| * profile role. This should be called after PAN_Register. |
| * This can be called any time to change the PAN role |
| * |
| * Parameters: role - is bit map of roles to be active |
| * PAN_ROLE_CLIENT is for PANU role |
| * PAN_ROLE_GN_SERVER is for GN role |
| * PAN_ROLE_NAP_SERVER is for NAP role |
| * sec_mask - Security mask for different roles |
| * It is array of uint8_t. The bytes |
| * represent the security for roles PANU, |
| * GN and NAP in order |
| * |
| * p_user_name - Service name for PANU role |
| * p_gn_name - Service name for GN role |
| * p_nap_name - Service name for NAP role |
| * Can be NULL if user wants it to be default |
| * |
| * Returns PAN_SUCCESS - if the role is set successfully |
| * PAN_FAILURE - if the role is not valid |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_SetRole(uint8_t role, uint8_t* sec_mask, |
| const char* p_user_name, const char* p_gn_name, |
| const char* p_nap_name); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Connect |
| * |
| * Description This function is called by the application to initiate a |
| * connection to the remote device |
| * |
| * Parameters: rem_bda - BD Addr of the remote device |
| * src_role - Role of the local device for the connection |
| * dst_role - Role of the remote device for the connection |
| * PAN_ROLE_CLIENT is for PANU role |
| * PAN_ROLE_GN_SERVER is for GN role |
| * PAN_ROLE_NAP_SERVER is for NAP role |
| * *handle - Pointer for returning Handle to the connection |
| * |
| * Returns PAN_SUCCESS - if the connection is initiated successfully |
| * PAN_NO_RESOURCES - resources are not sufficent |
| * PAN_FAILURE - if the connection cannot be initiated |
| * this can be because of the combination of |
| * src and dst roles may not be valid or |
| * allowed at that point of time |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_Connect(const RawAddress& rem_bda, uint8_t src_role, |
| uint8_t dst_role, uint16_t* handle); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Disconnect |
| * |
| * Description This is used to disconnect the connection |
| * |
| * Parameters: handle - handle for the connection |
| * |
| * Returns PAN_SUCCESS - if the connection is closed successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in disconnecting |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_Disconnect(uint16_t handle); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Write |
| * |
| * Description This sends data over the PAN connections. If this is called |
| * on GN or NAP side and the packet is multicast or broadcast |
| * it will be sent on all the links. Otherwise the correct link |
| * is found based on the destination address and forwarded on |
| * it. If the return value is not PAN_SUCCESS the application |
| * should take care of releasing the message buffer |
| * |
| * Parameters: dst - MAC or BD Addr of the destination device |
| * src - MAC or BD Addr of the source who sent this packet |
| * protocol - protocol of the ethernet packet like IP or ARP |
| * p_data - pointer to the data |
| * len - length of the data |
| * ext - to indicate that extension headers present |
| * |
| * Returns PAN_SUCCESS - if the data is sent successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in sending data |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_Write(uint16_t handle, const RawAddress& dst, |
| const RawAddress& src, uint16_t protocol, |
| uint8_t* p_data, uint16_t len, bool ext); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_WriteBuf |
| * |
| * Description This sends data over the PAN connections. If this is called |
| * on GN or NAP side and the packet is multicast or broadcast |
| * it will be sent on all the links. Otherwise the correct link |
| * is found based on the destination address and forwarded on |
| * it. If the return value is not PAN_SUCCESS the application |
| * should take care of releasing the message buffer |
| * |
| * Parameters: dst - MAC or BD Addr of the destination device |
| * src - MAC or BD Addr of the source who sent this packet |
| * protocol - protocol of the ethernet packet like IP or ARP |
| * p_buf - pointer to the data buffer |
| * ext - to indicate that extension headers present |
| * |
| * Returns PAN_SUCCESS - if the data is sent successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in sending data |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_WriteBuf(uint16_t handle, const RawAddress& dst, |
| const RawAddress& src, uint16_t protocol, |
| BT_HDR* p_buf, bool ext); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetProtocolFilters |
| * |
| * Description This function is used to set protocol filters on the peer |
| * |
| * Parameters: handle - handle for the connection |
| * num_filters - number of protocol filter ranges |
| * start - array of starting protocol numbers |
| * end - array of ending protocol numbers |
| * |
| * |
| * Returns PAN_SUCCESS if protocol filters are set successfully |
| * PAN_FAILURE if connection not found or error in setting |
| * |
| ******************************************************************************/ |
| extern tPAN_RESULT PAN_SetProtocolFilters(uint16_t handle, uint16_t num_filters, |
| uint16_t* p_start_array, |
| uint16_t* p_end_array); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetMulticastFilters |
| * |
| * Description This function is used to set multicast filters on the peer |
| * |
| * Parameters: handle - handle for the connection |
| * num_filters - number of multicast 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 PAN_SUCCESS if multicast filters are set successfully |
| * PAN_FAILURE if connection not found or error in setting |
| * |
| ******************************************************************************/ |
| extern tBNEP_RESULT PAN_SetMulticastFilters(uint16_t handle, |
| uint16_t num_mcast_filters, |
| uint8_t* p_start_array, |
| uint8_t* p_end_array); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetTraceLevel |
| * |
| * Description This function sets the trace level for PAN. If called with |
| * a value of 0xFF, it simply reads the current trace level. |
| * |
| * Returns the new (current) trace level |
| * |
| ******************************************************************************/ |
| extern uint8_t PAN_SetTraceLevel(uint8_t new_level); |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Init |
| * |
| * Description This function initializes the PAN unit. It should be called |
| * before accessing any other APIs to initialize the control |
| * block. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| extern void PAN_Init(void); |
| |
| #endif /* PAN_API_H */ |