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421 lines
19 KiB
421 lines
19 KiB
/******************************************************************************
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*
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* Copyright 2001-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* this file contains the PAN API definitions
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*
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******************************************************************************/
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#ifndef PAN_API_H
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#define PAN_API_H
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#include "bnep_api.h"
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/*****************************************************************************
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* Constants
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****************************************************************************/
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/* Define the minimum offset needed in a GKI buffer for
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* sending PAN packets. Note, we are currently not sending
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* extension headers, but may in the future, so allow
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* space for them
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*/
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#define PAN_MINIMUM_OFFSET BNEP_MINIMUM_OFFSET
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/*
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* The handle is passed from BNEP to PAN. The same handle is used
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* between PAN and application as well
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*/
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#define PAN_INVALID_HANDLE BNEP_INVALID_HANDLE
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/* Bit map for PAN roles */
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#define PAN_ROLE_CLIENT 0x01 /* PANU role */
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#define PAN_ROLE_NAP_SERVER 0x04 /* NAP role */
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/* Bitmap to indicate the usage of the Data */
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#define PAN_DATA_TO_HOST 0x01
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#define PAN_DATA_TO_LAN 0x02
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/*****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* Define the result codes from PAN */
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enum {
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PAN_SUCCESS, /* Success */
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PAN_DISCONNECTED = BNEP_CONN_DISCONNECTED, /* Connection terminated */
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PAN_CONN_FAILED = BNEP_CONN_FAILED, /* Connection failed */
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PAN_NO_RESOURCES = BNEP_NO_RESOURCES, /* No resources */
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PAN_MTU_EXCEDED = BNEP_MTU_EXCEDED, /* Attempt to write long data */
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PAN_INVALID_OFFSET =
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BNEP_INVALID_OFFSET, /* Insufficient offset in GKI buffer */
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PAN_CONN_FAILED_CFG =
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BNEP_CONN_FAILED_CFG, /* Connection failed cos of config */
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PAN_INVALID_SRC_ROLE =
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BNEP_CONN_FAILED_SRC_UUID, /* Connection failed wrong source UUID */
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PAN_INVALID_DST_ROLE =
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BNEP_CONN_FAILED_DST_UUID, /* Connection failed wrong destination UUID */
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PAN_CONN_FAILED_UUID_SIZE =
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BNEP_CONN_FAILED_UUID_SIZE, /* Connection failed wrong size UUID */
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PAN_Q_SIZE_EXCEEDED = BNEP_Q_SIZE_EXCEEDED, /* Too many buffers to dest */
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PAN_TOO_MANY_FILTERS =
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BNEP_TOO_MANY_FILTERS, /* Too many local filters specified */
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PAN_SET_FILTER_FAIL = BNEP_SET_FILTER_FAIL, /* Set Filter failed */
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PAN_WRONG_HANDLE = BNEP_WRONG_HANDLE, /* Wrong handle for the connection */
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PAN_WRONG_STATE = BNEP_WRONG_STATE, /* Connection is in wrong state */
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PAN_SECURITY_FAIL = BNEP_SECURITY_FAIL, /* Failed because of security */
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PAN_IGNORE_CMD = BNEP_IGNORE_CMD, /* To ignore the rcvd command */
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PAN_TX_FLOW_ON = BNEP_TX_FLOW_ON, /* tx data flow enabled */
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PAN_TX_FLOW_OFF = BNEP_TX_FLOW_OFF, /* tx data flow disabled */
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PAN_FAILURE /* Failure */
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};
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typedef uint8_t tPAN_RESULT;
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/*****************************************************************
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* Callback Function Prototypes
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****************************************************************/
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/* This is call back function used to report connection status
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* to the application. The second parameter true means
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* to create the bridge and false means to remove it.
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*/
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typedef void(tPAN_CONN_STATE_CB)(uint16_t handle, const RawAddress& bd_addr,
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tPAN_RESULT state, bool is_role_change,
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uint8_t src_role, uint8_t dst_role);
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/* This is call back function used to create bridge for the
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* Connected device. The parameter "state" indicates
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* whether to create the bridge or remove it. true means
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* to create the bridge and false means to remove it.
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*/
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typedef void(tPAN_BRIDGE_REQ_CB)(const RawAddress& bd_addr, bool state);
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/* Data received indication callback prototype. Parameters are
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* Source BD/Ethernet Address
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* Dest BD/Ethernet address
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* Protocol
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* Address of buffer (or data if non-GKI)
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* Length of data (non-GKI)
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* ext is flag to indicate whether it has aby extension headers
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* Flag used to indicate to forward on LAN
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* false - Use it for internal stack
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* true - Send it across the ethernet as well
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*/
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typedef void(tPAN_DATA_IND_CB)(uint16_t handle, const RawAddress& src,
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const RawAddress& dst, uint16_t protocol,
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uint8_t* p_data, uint16_t len, bool ext,
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bool forward);
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/* Data buffer received indication callback prototype. Parameters are
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* Source BD/Ethernet Address
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* Dest BD/Ethernet address
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* Protocol
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* pointer to the data buffer
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* ext is flag to indicate whether it has aby extension headers
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* Flag used to indicate to forward on LAN
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* false - Use it for internal stack
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* true - Send it across the ethernet as well
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*/
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typedef void(tPAN_DATA_BUF_IND_CB)(uint16_t handle, const RawAddress& src,
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const RawAddress& dst, uint16_t protocol,
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BT_HDR* p_buf, bool ext, bool forward);
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/* Flow control callback for TX data. Parameters are
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* Handle to the connection
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* Event flow status
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*/
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typedef void(tPAN_TX_DATA_FLOW_CB)(uint16_t handle, tPAN_RESULT event);
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/* Filters received indication callback prototype. Parameters are
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* Handle to the connection
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* true if the cb is called for indication
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* Ignore this if it is indication, otherwise it is the result
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* for the filter set operation performed by the local
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* device
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* Number of protocol filters present
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* Pointer to the filters start. Filters are present in pairs
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* of start of the range and end of the range.
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* They will be present in big endian order. First
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* two bytes will be starting of the first range and
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* next two bytes will be ending of the range.
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*/
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typedef void(tPAN_FILTER_IND_CB)(uint16_t handle, bool indication,
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tBNEP_RESULT result, uint16_t num_filters,
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uint8_t* p_filters);
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/* Multicast Filters received indication callback prototype. Parameters are
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* Handle to the connection
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* true if the cb is called for indication
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* Ignore this if it is indication, otherwise it is the result
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* for the filter set operation performed by the local
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* device
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* Number of multicast filters present
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* Pointer to the filters start. Filters are present in pairs
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* of start of the range and end of the range.
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* First six bytes will be starting of the first range and
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* next six bytes will be ending of the range.
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*/
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typedef void(tPAN_MFILTER_IND_CB)(uint16_t handle, bool indication,
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tBNEP_RESULT result, uint16_t num_mfilters,
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uint8_t* p_mfilters);
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/* This structure is used to register with PAN profile
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* It is passed as a parameter to PAN_Register call.
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*/
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typedef struct {
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tPAN_CONN_STATE_CB* pan_conn_state_cb; /* Connection state callback */
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tPAN_BRIDGE_REQ_CB* pan_bridge_req_cb; /* Bridge request callback */
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tPAN_DATA_IND_CB* pan_data_ind_cb; /* Data indication callback */
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tPAN_DATA_BUF_IND_CB*
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pan_data_buf_ind_cb; /* Data buffer indication callback */
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tPAN_FILTER_IND_CB*
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pan_pfilt_ind_cb; /* protocol filter indication callback */
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tPAN_MFILTER_IND_CB*
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pan_mfilt_ind_cb; /* multicast filter indication callback */
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tPAN_TX_DATA_FLOW_CB* pan_tx_data_flow_cb; /* data flow callback */
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char* user_service_name; /* Service name for PANU role */
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char* gn_service_name; /* Service name for GN role */
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char* nap_service_name; /* Service name for NAP role */
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} tPAN_REGISTER;
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/*****************************************************************************
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* External Function Declarations
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****************************************************************************/
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/*******************************************************************************
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*
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* Function PAN_Register
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*
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* Description This function is called by the application to register
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* its callbacks with PAN profile. The application then
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* should set the PAN role explicitly.
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*
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* Parameters: p_register - contains all callback function pointers
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*
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*
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* Returns none
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*
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******************************************************************************/
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extern void PAN_Register(tPAN_REGISTER* p_register);
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/*******************************************************************************
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*
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* Function PAN_Deregister
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*
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* Description This function is called by the application to de-register
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* its callbacks with PAN profile. This will make the PAN to
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* become inactive. This will deregister PAN services from SDP
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* and close all active connections
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*
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* Returns none
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*
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******************************************************************************/
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extern void PAN_Deregister(void);
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/*******************************************************************************
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*
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* Function PAN_SetRole
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*
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* Description This function is called by the application to set the PAN
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* profile role. This should be called after PAN_Register.
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* This can be called any time to change the PAN role
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*
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* Parameters: role - is bit map of roles to be active
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* PAN_ROLE_CLIENT is for PANU role
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* PAN_ROLE_NAP_SERVER is for NAP role
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* sec_mask - Security mask for different roles
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* It is array of uint8_t. The bytes
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* represent the security for roles PANU,
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* GN and NAP in order
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*
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* p_user_name - Service name for PANU role
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* p_nap_name - Service name for NAP role
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* Can be NULL if user wants it to be default
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*
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* Returns PAN_SUCCESS - if the role is set successfully
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* PAN_FAILURE - if the role is not valid
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_SetRole(uint8_t role, const char* p_user_name,
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const char* p_nap_name);
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/*******************************************************************************
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*
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* Function PAN_Connect
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*
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* Description This function is called by the application to initiate a
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* connection to the remote device
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*
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* Parameters: rem_bda - BD Addr of the remote device
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* src_role - Role of the local device for the connection
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* dst_role - Role of the remote device for the connection
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* PAN_ROLE_CLIENT is for PANU role
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* PAN_ROLE_NAP_SERVER is for NAP role
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* *handle - Pointer for returning Handle to the connection
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*
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* Returns PAN_SUCCESS - if the connection is initiated successfully
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* PAN_NO_RESOURCES - resources are not sufficent
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* PAN_FAILURE - if the connection cannot be initiated
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* this can be because of the combination of
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* src and dst roles may not be valid or
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* allowed at that point of time
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_Connect(const RawAddress& rem_bda, uint8_t src_role,
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uint8_t dst_role, uint16_t* handle);
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/*******************************************************************************
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*
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* Function PAN_Disconnect
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*
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* Description This is used to disconnect the connection
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*
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* Parameters: handle - handle for the connection
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*
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* Returns PAN_SUCCESS - if the connection is closed successfully
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* PAN_FAILURE - if the connection is not found or
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* there is an error in disconnecting
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_Disconnect(uint16_t handle);
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/*******************************************************************************
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*
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* Function PAN_Write
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*
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* Description This sends data over the PAN connections. If this is called
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* on GN or NAP side and the packet is multicast or broadcast
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* it will be sent on all the links. Otherwise the correct link
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* is found based on the destination address and forwarded on
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* it. If the return value is not PAN_SUCCESS the application
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* should take care of releasing the message buffer
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*
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* Parameters: dst - MAC or BD Addr of the destination device
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* src - MAC or BD Addr of the source who sent this packet
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* protocol - protocol of the ethernet packet like IP or ARP
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* p_data - pointer to the data
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* len - length of the data
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* ext - to indicate that extension headers present
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*
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* Returns PAN_SUCCESS - if the data is sent successfully
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* PAN_FAILURE - if the connection is not found or
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* there is an error in sending data
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_Write(uint16_t handle, const RawAddress& dst,
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const RawAddress& src, uint16_t protocol,
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uint8_t* p_data, uint16_t len, bool ext);
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/*******************************************************************************
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*
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* Function PAN_WriteBuf
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*
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* Description This sends data over the PAN connections. If this is called
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* on GN or NAP side and the packet is multicast or broadcast
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* it will be sent on all the links. Otherwise the correct link
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* is found based on the destination address and forwarded on
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* it. If the return value is not PAN_SUCCESS the application
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* should take care of releasing the message buffer
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*
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* Parameters: dst - MAC or BD Addr of the destination device
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* src - MAC or BD Addr of the source who sent this packet
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* protocol - protocol of the ethernet packet like IP or ARP
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* p_buf - pointer to the data buffer
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* ext - to indicate that extension headers present
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*
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* Returns PAN_SUCCESS - if the data is sent successfully
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* PAN_FAILURE - if the connection is not found or
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* there is an error in sending data
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_WriteBuf(uint16_t handle, const RawAddress& dst,
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const RawAddress& src, uint16_t protocol,
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BT_HDR* p_buf, bool ext);
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/*******************************************************************************
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*
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* Function PAN_SetProtocolFilters
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*
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* Description This function is used to set protocol filters on the peer
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*
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* Parameters: handle - handle for the connection
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* num_filters - number of protocol filter ranges
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* start - array of starting protocol numbers
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* end - array of ending protocol numbers
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*
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*
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* Returns PAN_SUCCESS if protocol filters are set successfully
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* PAN_FAILURE if connection not found or error in setting
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*
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******************************************************************************/
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extern tPAN_RESULT PAN_SetProtocolFilters(uint16_t handle, uint16_t num_filters,
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uint16_t* p_start_array,
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uint16_t* p_end_array);
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/*******************************************************************************
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*
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* Function PAN_SetMulticastFilters
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*
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* Description This function is used to set multicast filters on the peer
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*
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* Parameters: handle - handle for the connection
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* num_filters - number of multicast filter ranges
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* p_start_array - Pointer to sequence of beginings of all
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* multicast address ranges
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* p_end_array - Pointer to sequence of ends of all
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* multicast address ranges
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*
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*
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* Returns PAN_SUCCESS if multicast filters are set successfully
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* PAN_FAILURE if connection not found or error in setting
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*
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******************************************************************************/
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extern tBNEP_RESULT PAN_SetMulticastFilters(uint16_t handle,
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uint16_t num_mcast_filters,
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uint8_t* p_start_array,
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uint8_t* p_end_array);
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/*******************************************************************************
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*
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* Function PAN_SetTraceLevel
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*
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* Description This function sets the trace level for PAN. If called with
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* a value of 0xFF, it simply reads the current trace level.
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*
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* Returns the new (current) trace level
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*
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******************************************************************************/
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extern uint8_t PAN_SetTraceLevel(uint8_t new_level);
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/*******************************************************************************
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*
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* Function PAN_Init
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*
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* Description This function initializes the PAN unit. It should be called
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* before accessing any other APIs to initialize the control
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* block.
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*
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* Returns void
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*
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******************************************************************************/
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extern void PAN_Init(void);
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#endif /* PAN_API_H */
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