67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/*
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* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef IP64_ADDR_H
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#define IP64_ADDR_H
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#include "net/ipv6/uip.h"
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/**
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* \brief Is IPv4-mapped Address
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*
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* See https://tools.ietf.org/html/rfc6890#page-14
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*/
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#define ip64_addr_is_ipv4_mapped_addr(a) \
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((((a)->u16[0]) == 0) && \
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(((a)->u16[1]) == 0) && \
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(((a)->u16[2]) == 0) && \
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(((a)->u16[3]) == 0) && \
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(((a)->u16[4]) == 0) && \
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(((a)->u16[5]) == 0xFFFF))
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void ip64_addr_copy4(uip_ip4addr_t *dest, const uip_ip4addr_t *src);
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void ip64_addr_copy6(uip_ip6addr_t *dest, const uip_ip6addr_t *src);
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int ip64_addr_6to4(const uip_ip6addr_t *ipv6addr,
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uip_ip4addr_t *ipv4addr);
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int ip64_addr_4to6(const uip_ip4addr_t *ipv4addr,
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uip_ip6addr_t *ipv6addr);
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int ip64_addr_is_ip64(const uip_ip6addr_t *ipv6addr);
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void ip64_addr_set_prefix(const uip_ip6addr_t *prefix, uint8_t prefix_len);
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#endif /* IP64_ADDR_H */
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