a752c7ab
 elopes
add first test an...
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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_node Neighbor discovery for pure IPv6 nodes
* @ingroup net_gnrc_ndp
* @brief Used for pure IPv6 nodes (without 6LoWPAN).
* @{
*
* @file
* @brief IPv6-node neighbor discovery definitions
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef NET_GNRC_NDP_NODE_H
#define NET_GNRC_NDP_NODE_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Get link-layer address and interface for next hop to destination
* IPv6 address.
*
* @param[out] l2addr The link-layer for the next hop to @p dst.
* @param[out] l2addr_len Length of @p l2addr.
* @param[in] iface The interface to search the next hop on.
* May be @ref KERNEL_PID_UNDEF if not specified.
* @param[in] dst An IPv6 address to search the next hop for.
* @param[in] pkt Packet to send to @p dst. Leave NULL if you
* just want to get the addresses.
*
* @return The PID of the interface, on success.
* @return -EHOSTUNREACH, if @p dst is not reachable.
* @return -ENOBUFS, if @p l2addr_len was smaller than the resulting @p l2addr
* would be long.
*/
kernel_pid_t gnrc_ndp_node_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_len,
kernel_pid_t iface, ipv6_addr_t *dst,
gnrc_pktsnip_t *pkt);
#ifdef __cplusplus
}
#endif
#endif /* NET_GNRC_NDP_NODE_H */
/** @} */
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