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55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright (C) 2015 Cenk Gündoğan <cnkgndgn@gmail.com>
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* Copyright (C) 2018 Freie Universität Berlin
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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_ipv6_ext_rh IPv6 routing header extension
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* @ingroup net_ipv6_ext
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* @brief Definitions for IPv6 routing header extension.
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* @{
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*
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* @file
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* @brief Routing extension header definitions.
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*
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* @author Cenk Gündoğan <cnkgndgn@gmail.com>
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*/
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#ifndef NET_IPV6_EXT_RH_H
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#define NET_IPV6_EXT_RH_H
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#include <stdint.h>
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#include "net/ipv6/addr.h"
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#include "net/ipv6/ext.h"
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#include "net/ipv6/hdr.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 IPv6 routing extension header.
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*
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* @see [RFC 8200](https://tools.ietf.org/html/rfc8200#section-4.4)
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*
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* @extends ipv6_ext_t
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*/
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typedef struct __attribute__((packed)) {
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uint8_t nh; /**< next header */
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uint8_t len; /**< length in 8 octets without first octet */
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uint8_t type; /**< identifier of a particular routing header type */
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uint8_t seg_left; /**< number of route segments remaining */
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} ipv6_ext_rh_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* NET_IPV6_EXT_RH_H */
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/** @} */
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