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85 lines
2.4 KiB
C
85 lines
2.4 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_icmpv6_error ICMPv6 error messages
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* @ingroup net_gnrc_icmpv6
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* @brief ICMPv6 error message handling and creation
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* @{
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*
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* @file
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* @brief ICMPv6 error message 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 GNRC_ICMPV6_ERROR_H_
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#define GNRC_ICMPV6_ERROR_H_
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#include <stdint.h>
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#include "net/icmpv6.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 ICMPv6 destination unreachable message for sending.
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*
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* @param[in] code The code for the message @see net/icmpv6.h.
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* @param[in] orig_pkt The invoking packet.
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*
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* @return The destination unreachable message on success.
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* @return NULL, on failure.
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*/
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gnrc_pktsnip_t *gnrc_icmpv6_error_dst_unr_build(uint8_t code, gnrc_pktsnip_t *orig_pkt);
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/**
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* @brief Builds an ICMPv6 packet too big message for sending.
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*
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* @param[in] mtu The maximum transission unit of the next-hop link.
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* @param[in] orig_pkt The invoking packet.
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*
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* @return The packet too big message on success.
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* @return NULL, on failure.
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*/
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gnrc_pktsnip_t *gnrc_icmpv6_error_pkt_too_big_build(uint32_t mtu, gnrc_pktsnip_t *orig_pkt);
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/**
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* @brief Builds an ICMPv6 time exceeded message for sending.
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*
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* @param[in] code The code for the message @see net/icmpv6.h.
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* @param[in] orig_pkt The invoking packet.
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*
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* @return The time exceeded message on success.
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* @return NULL, on failure.
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*/
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gnrc_pktsnip_t *gnrc_icmpv6_error_time_exc_build(uint8_t code, gnrc_pktsnip_t *orig_pkt);
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/**
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* @brief Builds an ICMPv6 parameter problem message for sending.
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*
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* @param[in] code The code for the message @see net/icmpv6.h.
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* @param[in] ptr Pointer to the errorneous octet in @p orig_pkt.
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* @param[in] orig_pkt The invoking packet.
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*
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* @return The parameter problem message on success.
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* @return NULL, on failure.
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*/
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gnrc_pktsnip_t *gnrc_icmpv6_error_param_prob_build(uint8_t code, void *ptr,
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gnrc_pktsnip_t *orig_pkt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GNRC_ICMPV6_ERROR_H_ */
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/** @} */
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