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/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.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.
*/
/**
* @defgroup net_gnrc_ndp_router Router-specific part of router discovery.
* @ingroup net_gnrc_ndp
* @brief Router-specific part for the router discovery in IPv6
* neighbor discovery.
* @{
*
* @file
* @brief Router-specific router discovery definitions
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef GNRC_NDP_ROUTER_H_
#define GNRC_NDP_ROUTER_H_
#include <stdbool.h>
#include "kernel_types.h"
#include "net/ipv6/hdr.h"
#include "net/ndp.h"
#include "net/gnrc/ipv6/nc.h"
#include "timex.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Set @p iface to router mode.
*
* @details This sets/unsets the GNRC_IPV6_NETIF_FLAGS_ROUTER and
* GNRC_IPV6_NETIF_FLAGS_RTR_ADV and initializes or ceases router
* behavior for neighbor discovery.
*
* @param[in] iface An IPv6 interface. Must not be NULL.
* @param[in] enable Status for the GNRC_IPV6_NETIF_FLAGS_ROUTER and
* GNRC_IPV6_NETIF_FLAGS_RTR_ADV flags.
*/
void gnrc_ndp_router_set_router(gnrc_ipv6_netif_t *iface, bool enable);
/**
* @brief Set/Unset GNRC_IPV6_NETIF_FLAGS_RTR_ADV flag for @p iface.
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-6.2.2">
* RFC 4861, section 6.2.2
* </a>
* @see <a href="https://tools.ietf.org/html/rfc4861#section-6.2.5">
* RFC 4861, section 6.2.5
* </a>
*
* @details GNRC_IPV6_NETIF_FLAGS_RTR_ADV and initializes or ceases
* periodic router advertising behavior for neighbor discovery.
*
* @param[in] iface An IPv6 interface. Must not be NULL.
* @param[in] enable Status for the GNRC_IPV6_NETIF_FLAGS_RTR_ADV flags.
*/
void gnrc_ndp_router_set_rtr_adv(gnrc_ipv6_netif_t *iface, bool enable);
/**
* @brief Send an unsolicited router advertisement over @p iface
* and reset the timer for the next one if necessary.
*
* @param[in] iface An IPv6 interface.
*/
void gnrc_ndp_router_retrans_rtr_adv(gnrc_ipv6_netif_t *iface);
/**
* @brief Send an solicited router advertisement to IPv6 address of
* @p neighbor.
*
* @param[in] neighbor A neighbor cache entry.
*/
void gnrc_ndp_router_send_rtr_adv(gnrc_ipv6_nc_t *neighbor);
#ifdef __cplusplus
}
#endif
#endif /* GNRC_NDP_ROUTER_H_ */
/** @} */
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