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73 lines
2.9 KiB
C
73 lines
2.9 KiB
C
/*
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* Copyright (c) 2016, Inria.
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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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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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* RPL non-storing mode specific functions. Includes support for
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* source routing.
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*
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* \author Simon Duquennoy <simon.duquennoy@inria.fr>
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*/
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#ifndef RPL_NS_H
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#define RPL_NS_H
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#include "rpl-conf.h"
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#ifdef RPL_NS_CONF_LINK_NUM
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#define RPL_NS_LINK_NUM RPL_NS_CONF_LINK_NUM
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#else /* RPL_NS_CONF_LINK_NUM */
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#define RPL_NS_LINK_NUM 32
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#endif /* RPL_NS_CONF_LINK_NUM */
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typedef struct rpl_ns_node {
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struct rpl_ns_node *next;
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uint32_t lifetime;
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rpl_dag_t *dag;
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/* Store only IPv6 link identifiers as all nodes in the DAG share the same prefix */
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unsigned char link_identifier[8];
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struct rpl_ns_node *parent;
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} rpl_ns_node_t;
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int rpl_ns_num_nodes(void);
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void rpl_ns_expire_parent(rpl_dag_t *dag, const uip_ipaddr_t *child, const uip_ipaddr_t *parent);
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rpl_ns_node_t *rpl_ns_update_node(rpl_dag_t *dag, const uip_ipaddr_t *child, const uip_ipaddr_t *parent, uint32_t lifetime);
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void rpl_ns_init(void);
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rpl_ns_node_t *rpl_ns_node_head(void);
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rpl_ns_node_t *rpl_ns_node_next(rpl_ns_node_t *item);
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rpl_ns_node_t *rpl_ns_get_node(const rpl_dag_t *dag, const uip_ipaddr_t *addr);
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int rpl_ns_is_node_reachable(const rpl_dag_t *dag, const uip_ipaddr_t *addr);
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void rpl_ns_get_node_global_addr(uip_ipaddr_t *addr, rpl_ns_node_t *node);
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void rpl_ns_periodic();
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#endif /* RPL_NS_H */
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