93 lines
3.8 KiB
C
93 lines
3.8 KiB
C
/**
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* @file
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*
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* INET v6 addresses.
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*/
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/*
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* Copyright (c) 2010 Inico Technologies Ltd.
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Ivan Delamer <delamer@inicotech.com>
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*
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*
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* Please coordinate changes and requests with Ivan Delamer
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* <delamer@inicotech.com>
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*/
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#ifndef __LWIP_INET6_H__
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#define __LWIP_INET6_H__
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#include "lwip/opt.h"
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#if LWIP_IPV6 && LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
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#include "lwip/ip6_addr.h"
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#include "lwip/def.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** For compatibility with BSD code */
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struct in6_addr {
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union {
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u8_t u8_addr[16];
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u32_t u32_addr[4];
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} un;
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#define s6_addr un.u32_addr
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};
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#define IN6ADDR_ANY_INIT {0,0,0,0}
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#define IN6ADDR_LOOPBACK_INIT {0,0,0,PP_HTONL(1)}
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#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \
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(target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \
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(target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \
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(target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];}
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#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \
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(target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \
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(target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \
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(target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3];}
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/* ATTENTION: the next define only works because both in6_addr and ip6_addr_t are an u32_t[4] effectively! */
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#define inet6_addr_to_ip6addr_p(target_ip6addr_p, source_in6addr) ((target_ip6addr_p) = (ip6_addr_t*)(source_in6addr))
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/* directly map this to the lwip internal functions */
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#define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr)
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#define inet6_ntoa(addr) ip6addr_ntoa((ip6_addr_t*)&(addr))
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#define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((ip6_addr_t*)&(addr), buf, buflen)
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_IPV6 */
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#endif /* __LWIP_INET6_H__ */
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