127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* Copyright (c) 2018, RISE SICS.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/**
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* \addtogroup deployment
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* @{
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*
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* \file
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Per-deployment MAC <-> nodeid mapping
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* \author Simon Duquennoy <simon.duquennoy@ri.se>
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*
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*/
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#ifndef DEPLOYMENT_H_
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#define DEPLOYMENT_H_
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#include "contiki-conf.h"
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#include "sys/node-id.h"
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#include "net/ipv6/uip.h"
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#include "net/linkaddr.h"
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/**
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* \brief ID<->MAC address mapping structure
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*/
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struct id_mac {
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uint16_t id;
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linkaddr_t mac;
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};
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/**
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* DEPLOYMENT_MAPPING:
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* A table of struct id_mac that provides ID-MAC mapping for a deployment.
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* Example with four nodes:
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* In configuration file:
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* \#define DEPLOYMENT_MAPPING custom_array
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* In a .c file:
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* const struct id_mac custom_array[] = {
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{ 1, {{0x00,0x12,0x4b,0x00,0x06,0x0d,0xb6,0x14}}},
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{ 2, {{0x00,0x12,0x4b,0x00,0x06,0x0d,0xb1,0xe7}}},
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{ 3, {{0x00,0x12,0x4b,0x00,0x06,0x0d,0xb4,0x35}}},
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{ 4, {{0x00,0x12,0x4b,0x00,0x06,0x0d,0xb1,0xcf}}},
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{ 0, {{0}}}
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};
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*/
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/**
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* Initialize the deployment module
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*/
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void deployment_init(void);
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/**
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* Get the number of nodes for the deployment (length of mapping table)
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*
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* \return The number of nodes in the deployment
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*/
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int deployment_node_count(void);
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/**
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* Get node ID from a link-layer address, from the deployment mapping table
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*
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* \param lladdr The link-layer address to look up for
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* \return Node ID from a corresponding link-layer address
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*/
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uint16_t deployment_id_from_lladdr(const linkaddr_t *lladdr);
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/**
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* Get node link-layer address from a node ID, from the deployment mapping table
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*
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* \param lladdr A pointer where to write the link-layer address
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* \param id The node ID to look up for
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*/
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void deployment_lladdr_from_id(linkaddr_t *lladdr, uint16_t id);
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/**
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* Get node ID from the IID of an IPv6 address
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*
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* \param ipaddr The IPv6 (global or link-local) address that contains the IID
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* \return Node ID from a corresponding IID
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*/
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uint16_t deployment_id_from_iid(const uip_ipaddr_t *ipaddr);
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/**
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* Get IPv6 IID from node IDs
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*
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* \param ipaddr The IPv6 where to write the IID
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* \param id The node ID
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*/
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void deployment_iid_from_id(uip_ipaddr_t *ipaddr, uint16_t id);
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/**
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* Get node ID from index in mapping table
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*
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* \param index The index in the deployment mapping table
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* \return Node ID at the corresponding index
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*/
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uint16_t deployment_id_from_index(uint16_t index);
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#endif /* DEPLOYMENT_H_ */
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/** @} */
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