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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup net_ng_ndp_node Neighbor discovery for pure IPv6 nodes
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* @ingroup net_ng_ndp
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* @brief Used for pure IPv6 nodes (without 6LoWPAN).
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* @{
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*
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* @file
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* @brief IPv6-node neighbor discovery definitions
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef NG_NDP_NODE_H_
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#define NG_NDP_NODE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Get link-layer address and interface for next hop to destination
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* IPv6 address.
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*
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* @param[out] l2addr The link-layer for the next hop to @p dst.
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* @param[out] l2addr_len Length of @p l2addr.
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* @param[in] iface The interface to search the next hop on.
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* May be @ref KERNEL_PID_UNDEF if not specified.
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* @param[in] dst An IPv6 address to search the next hop for.
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* @param[in] pkt Packet to send to @p dst. Leave NULL if you
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* just want to get the addresses.
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*
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* @return The PID of the interface, on success.
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* @return -EHOSTUNREACH, if @p dst is not reachable.
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* @return -ENOBUFS, if @p l2addr_len was smaller than the resulting @p l2addr
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* would be long.
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*/
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kernel_pid_t ng_ndp_node_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_len,
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kernel_pid_t iface, ipv6_addr_t *dst,
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ng_pktsnip_t *pkt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NG_NDP_NODE_H_ */
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/** @} */
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