mbed-os/features/nanostack/sal-stack-nanostack/source/6LoWPAN/Thread/thread_resolution_server.h

95 lines
3.6 KiB
C

/*
* Copyright (c) 2014-2018, Arm Limited and affiliates.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Thread CoAP address resolution server implementation.
*
* This server must be enabled for all routers and non-sleepy end devices.
*
* Routers respond on behalf of their sleepy children.
*/
#ifndef THREAD_RESOLUTION_SERVER_H_
#define THREAD_RESOLUTION_SERVER_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <ns_types.h>
/** Address resolution request.
*
* This callback is called when a device is requesting address resolution.
*
* \param interface_id interface id of this thread instance.
* \param[in] target_addr target IP address being resolved
* \param[out] addr_out pointer to write resulting RLOC16 address
* \param[out] proxy write as true if responding for a child device
* \param[out] last_transaction_time last transaction time for response (if proxy is true)
* \param[out] ML-EID for target address
*
* /return return 0 for success, negative if unable to respond.
*/
typedef int thread_resolution_server_addr_query_cb(int8_t interface_id, const uint8_t target_addr[static 16], uint16_t *rloc, uint16_t *addr_out, bool *proxy, uint32_t *last_transaction_time, uint8_t *mleid_ptr);
#ifdef HAVE_THREAD_NEIGHBOR_DISCOVERY
/** initialise CoAP thread resolution server
* This instance needs to be initialised for all thread devices.
*
* When this is initialised this will enable the default management functionality for all the nodes in thread network,.
*
* \param interface interface id of this thread instance.
*
*/
int thread_resolution_server_init(int8_t interface_id, thread_resolution_server_addr_query_cb *query_cb);
/** Delete thread resolution services.
*
* When this is called it close selected service and free all allocated memory.
*
* \param interface interface id of this thread instance.
*/
void thread_resolution_server_delete(int8_t interface_id);
#else //HAVE_THREAD_NEIGHBOR_DISCOVERY
#define thread_resolution_server_init(interface_id, query_cb)
#define thread_resolution_server_delete(interface_id)
#endif //HAVE_THREAD_NEIGHBOR_DISCOVERY
#ifdef __cplusplus
}
#endif
#endif /* THREAD_RESOLUTION_SERVER_H_ */