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/*
* Copyright (C) 2016 Cenk Gündoğan <mail@cgundogan.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup net_gnrc_rpl_p2p
* @{
*
* @file
* @brief DODAG-related functions for P2P-RPL
*
* Header file, which defines all public known DODAG-related functions for P2P-RPL.
*
* @author Cenk Gündoğan <mail@cgundogan.de>
*/
#ifndef GNRC_RPL_P2P_DODAG_H_
#define GNRC_RPL_P2P_DODAG_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "net/gnrc/rpl/p2p_structs.h"
/**
* @brief Number of P2P RPL DODAG extensions
*/
#ifndef GNRC_RPL_P2P_EXTS_NUMOF
#define GNRC_RPL_P2P_EXTS_NUMOF (1)
#endif
/**
* @brief P2P-RPL DODAG extensions table
*/
extern gnrc_rpl_p2p_ext_t gnrc_rpl_p2p_exts[GNRC_RPL_P2P_EXTS_NUMOF];
/**
* @brief Allocate a free P2P-RPL DODAG extension
*
* @return Pointer to a free P2P-RPL DODAG extension
* @return NULL, if no free P2P-RPL DODAG extension is available
*/
gnrc_rpl_p2p_ext_t *gnrc_rpl_p2p_ext_new(gnrc_rpl_dodag_t *dodag);
/**
* @brief Free the P2P-RPL DODAG extension of @p dodag
*
* @param[in] dodag Pointer to a P2P-RPL DODAG
*/
void gnrc_rpl_p2p_ext_remove(gnrc_rpl_dodag_t *dodag);
/**
* @brief Get the appropriate P2P-RPL DODAG extension of the @p dodag
*
* @param[in] dodag Pointer to a P2P-RPL DODAG
*
* @return Pointer to a P2P-RPL DODAG extension
* @return NULL, if no P2P-RPL DODAG extension is available for @p dodag
*/
gnrc_rpl_p2p_ext_t *gnrc_rpl_p2p_ext_get(gnrc_rpl_dodag_t *dodag);
#ifdef __cplusplus
}
#endif
#endif /* GNRC_RPL_P2P_DODAG_H_ */
/**
* @}
*/
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