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55 lines
1.4 KiB
C
55 lines
1.4 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_gnrc_ipv6_hdr IPv6 header defintions
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* @ingroup net_gnrc_ipv6
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* @{
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*
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* @file
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* @brief IPv6 header
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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 NET_GNRC_IPV6_HDR_H
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#define NET_GNRC_IPV6_HDR_H
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#include <stdint.h>
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#include "net/ipv6/hdr.h"
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#include "net/gnrc/pkt.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 Builds an IPv6 header for sending and adds it to the packet buffer.
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*
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* @details Initializes version field with 6, traffic class, flow label, and
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* hop limit with 0, and next header with @ref PROTNUM_RESERVED.
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*
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* @param[in] payload Payload for the packet.
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* @param[in] src Source address for the header. Can be NULL if not
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* known or required.
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* @param[in] dst Destination address for the header. Can be NULL if not
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* known or required.
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*
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* @return The an IPv6 header in packet buffer on success.
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* @return NULL on error.
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*/
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gnrc_pktsnip_t *gnrc_ipv6_hdr_build(gnrc_pktsnip_t *payload, const ipv6_addr_t *src,
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const ipv6_addr_t *dst);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NET_GNRC_IPV6_HDR_H */
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/** @} */
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