292 lines
14 KiB
C
Executable File
292 lines
14 KiB
C
Executable File
/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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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: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef LWIP_HDR_IP_ADDR_H__
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#define LWIP_HDR_IP_ADDR_H__
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#include "lwip/opt.h"
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#include "lwip/def.h"
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#include "lwip/ip4_addr.h"
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#include "lwip/ip6_addr.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** These are the values for ip_addr_t.type */
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#define IPADDR_TYPE_V4 0U
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#define IPADDR_TYPE_V6 6U
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#define IPADDR_TYPE_ANY 46U
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#if LWIP_IPV4 && LWIP_IPV6
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/** A union struct for both IP version's addresses.
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* ATTENTION: watch out for its size when adding IPv6 address scope!
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*/
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typedef struct _ip_addr {
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union {
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ip6_addr_t ip6;
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ip4_addr_t ip4;
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} u_addr;
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u8_t type;
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} ip_addr_t;
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extern const ip_addr_t ip_addr_any_type;
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#define IPADDR4_INIT(u32val) { { { { u32val, 0ul, 0ul, 0ul } } }, IPADDR_TYPE_V4 }
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#define IPADDR6_INIT(a, b, c, d) { { { { a, b, c, d } } }, IPADDR_TYPE_V6 }
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#define IP_IS_ANY_TYPE_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_ANY)
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#define IPADDR_ANY_TYPE_INIT { { { { 0ul, 0ul, 0ul, 0ul } } }, IPADDR_TYPE_ANY }
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#define IP_IS_V6_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V6)
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#define IP_IS_V6(ipaddr) (((ipaddr) != NULL) && IP_IS_V6_VAL(*(ipaddr)))
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#define IP_SET_TYPE_VAL(ipaddr, iptype) do { (ipaddr).type = (iptype); }while(0)
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#define IP_SET_TYPE(ipaddr, iptype) do { if((ipaddr) != NULL) { IP_SET_TYPE_VAL(*(ipaddr), iptype); }}while(0)
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#define IP_GET_TYPE(ipaddr) ((ipaddr)->type)
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#define IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr) (IP_GET_TYPE(&pcb->local_ip) == IP_GET_TYPE(ipaddr))
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#define IP_ADDR_PCB_VERSION_MATCH(pcb, ipaddr) (IP_IS_ANY_TYPE_VAL(pcb->local_ip) || IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr))
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/* Convert generic ip address to specific protocol version */
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#define ip_2_ip6(ipaddr) (&((ipaddr)->u_addr.ip6))
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#define ip_2_ip4(ipaddr) (&((ipaddr)->u_addr.ip4))
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#define IP_ADDR4(ipaddr,a,b,c,d) do { IP4_ADDR(ip_2_ip4(ipaddr),a,b,c,d); \
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IP_SET_TYPE_VAL(*(ipaddr), IPADDR_TYPE_V4); } while(0)
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#define IP_ADDR6(ipaddr,i0,i1,i2,i3) do { IP6_ADDR(ip_2_ip6(ipaddr),i0,i1,i2,i3); \
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IP_SET_TYPE_VAL(*(ipaddr), IPADDR_TYPE_V6); } while(0)
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#define ip_addr_copy(dest, src) do{ IP_SET_TYPE_VAL(dest, IP_GET_TYPE(&src)); if(IP_IS_V6_VAL(src)){ \
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ip6_addr_copy(*ip_2_ip6(&(dest)), *ip_2_ip6(&(src))); }else{ \
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ip4_addr_copy(*ip_2_ip4(&(dest)), *ip_2_ip4(&(src))); }}while(0)
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#define ip_addr_copy_from_ip6(dest, src) do{ \
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ip6_addr_copy(*ip_2_ip6(&(dest)), src); IP_SET_TYPE_VAL(dest, IPADDR_TYPE_V6); }while(0)
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#define ip_addr_copy_from_ip4(dest, src) do{ \
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ip4_addr_copy(*ip_2_ip4(&(dest)), src); IP_SET_TYPE_VAL(dest, IPADDR_TYPE_V4); }while(0)
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#define ip_addr_set_ip4_u32(ipaddr, val) do{if(ipaddr){ip4_addr_set_u32(ip_2_ip4(ipaddr), val); \
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IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
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#define ip_addr_get_ip4_u32(ipaddr) (((ipaddr) && !IP_IS_V6(ipaddr)) ? \
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ip4_addr_get_u32(ip_2_ip4(ipaddr)) : 0)
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#define ip_addr_set(dest, src) do{ IP_SET_TYPE(dest, IP_GET_TYPE(src)); if(IP_IS_V6(src)){ \
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ip6_addr_set(ip_2_ip6(dest), ip_2_ip6(src)); }else{ \
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ip4_addr_set(ip_2_ip4(dest), ip_2_ip4(src)); }}while(0)
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#define ip_addr_set_ipaddr(dest, src) ip_addr_set(dest, src)
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#define ip_addr_set_zero(ipaddr) do{ \
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ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, 0); }while(0)
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#define ip_addr_set_zero_ip4(ipaddr) do{ \
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ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }while(0)
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#define ip_addr_set_zero_ip6(ipaddr) do{ \
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ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }while(0)
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#define ip_addr_set_any(is_ipv6, ipaddr) do{if(is_ipv6){ \
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ip6_addr_set_any(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }else{ \
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ip4_addr_set_any(ip_2_ip4(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
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#define ip_addr_set_loopback(is_ipv6, ipaddr) do{if(is_ipv6){ \
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ip6_addr_set_loopback(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }else{ \
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ip4_addr_set_loopback(ip_2_ip4(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
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#define ip_addr_set_hton(dest, src) do{if(IP_IS_V6(src)){ \
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ip6_addr_set_hton(ip_2_ip6(ipaddr), (src)); IP_SET_TYPE(dest, IPADDR_TYPE_V6); }else{ \
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ip4_addr_set_hton(ip_2_ip4(ipaddr), (src)); IP_SET_TYPE(dest, IPADDR_TYPE_V4); }}while(0)
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#define ip_addr_get_network(target, host, netmask) do{if(IP_IS_V6(host)){ \
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ip4_addr_set_zero(ip_2_ip4(target)); IP_SET_TYPE(target, IPADDR_TYPE_V6); } else { \
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ip4_addr_get_network(ip_2_ip4(target), ip_2_ip4(host), ip_2_ip4(netmask)); IP_SET_TYPE(target, IPADDR_TYPE_V4); }}while(0)
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#define ip_addr_netcmp(addr1, addr2, mask) ((IP_IS_V6(addr1) && IP_IS_V6(addr2)) ? \
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0 : \
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ip4_addr_netcmp(ip_2_ip4(addr1), ip_2_ip4(addr2), mask))
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#define ip_addr_cmp(addr1, addr2) ((IP_GET_TYPE(addr1) != IP_GET_TYPE(addr2)) ? 0 : (IP_IS_V6_VAL(*(addr1)) ? \
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ip6_addr_cmp(ip_2_ip6(addr1), ip_2_ip6(addr2)) : \
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ip4_addr_cmp(ip_2_ip4(addr1), ip_2_ip4(addr2))))
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#define ip_addr_isany(ipaddr) ((IP_IS_V6(ipaddr)) ? \
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ip6_addr_isany(ip_2_ip6(ipaddr)) : \
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ip4_addr_isany(ip_2_ip4(ipaddr)))
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#define ip_addr_isany_val(ipaddr) ((IP_IS_V6_VAL(ipaddr)) ? \
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ip6_addr_isany_val(*ip_2_ip6(&(ipaddr))) : \
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ip4_addr_isany_val(*ip_2_ip4(&(ipaddr))))
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#define ip_addr_isbroadcast(ipaddr, netif) ((IP_IS_V6(ipaddr)) ? \
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0 : \
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ip4_addr_isbroadcast(ip_2_ip4(ipaddr), netif))
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#define ip_addr_ismulticast(ipaddr) ((IP_IS_V6(ipaddr)) ? \
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ip6_addr_ismulticast(ip_2_ip6(ipaddr)) : \
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ip4_addr_ismulticast(ip_2_ip4(ipaddr)))
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#define ip_addr_isloopback(ipaddr) ((IP_IS_V6(ipaddr)) ? \
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ip6_addr_isloopback(ip_2_ip6(ipaddr)) : \
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ip4_addr_isloopback(ip_2_ip4(ipaddr)))
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#define ip_addr_islinklocal(ipaddr) ((IP_IS_V6(ipaddr)) ? \
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ip6_addr_islinklocal(ip_2_ip6(ipaddr)) : \
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ip4_addr_islinklocal(ip_2_ip4(ipaddr)))
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#define ip_addr_debug_print(debug, ipaddr) do { if(IP_IS_V6(ipaddr)) { \
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ip6_addr_debug_print(debug, ip_2_ip6(ipaddr)); } else { \
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ip4_addr_debug_print(debug, ip_2_ip4(ipaddr)); }}while(0)
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#define ip_addr_debug_print_val(debug, ipaddr) do { if(IP_IS_V6_VAL(ipaddr)) { \
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ip6_addr_debug_print_val(debug, *ip_2_ip6(&(ipaddr))); } else { \
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ip4_addr_debug_print_val(debug, *ip_2_ip4(&(ipaddr))); }}while(0)
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#define ipaddr_ntoa(addr) (((addr) == NULL) ? "NULL" : \
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((IP_IS_V6(addr)) ? ip6addr_ntoa(ip_2_ip6(addr)) : ip4addr_ntoa(ip_2_ip4(addr))))
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#define ipaddr_ntoa_r(addr, buf, buflen) (((addr) == NULL) ? "NULL" : \
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((IP_IS_V6(addr)) ? ip6addr_ntoa_r(ip_2_ip6(addr), buf, buflen) : ip4addr_ntoa_r(ip_2_ip4(addr), buf, buflen)))
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int ipaddr_aton(const char *cp, ip_addr_t *addr);
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#else /* LWIP_IPV4 && LWIP_IPV6 */
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#define IP_ADDR_PCB_VERSION_MATCH(addr, pcb) 1
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#define IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr) 1
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#if LWIP_IPV4
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typedef ip4_addr_t ip_addr_t;
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#define IPADDR4_INIT(u32val) { u32val }
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#define IP_IS_V6_VAL(ipaddr) 0
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#define IP_IS_V6(ipaddr) 0
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#define IP_IS_ANY_TYPE_VAL(ipaddr) 0
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#define IP_SET_TYPE_VAL(ipaddr, iptype)
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#define IP_SET_TYPE(ipaddr, iptype)
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#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V4
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#define ip_2_ip4(ipaddr) (ipaddr)
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#define IP_ADDR4(ipaddr,a,b,c,d) IP4_ADDR(ipaddr,a,b,c,d)
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#define ip_addr_copy(dest, src) ip4_addr_copy(dest, src)
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#define ip_addr_copy_from_ip4(dest, src) ip4_addr_copy(dest, src)
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#define ip_addr_set_ip4_u32(ipaddr, val) ip4_addr_set_u32(ip_2_ip4(ipaddr), val)
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#define ip_addr_get_ip4_u32(ipaddr) ip4_addr_get_u32(ip_2_ip4(ipaddr))
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#define ip_addr_set(dest, src) ip4_addr_set(dest, src)
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#define ip_addr_set_ipaddr(dest, src) ip4_addr_set(dest, src)
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#define ip_addr_set_zero(ipaddr) ip4_addr_set_zero(ipaddr)
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#define ip_addr_set_zero_ip4(ipaddr) ip4_addr_set_zero(ipaddr)
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#define ip_addr_set_any(is_ipv6, ipaddr) ip4_addr_set_any(ipaddr)
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#define ip_addr_set_loopback(is_ipv6, ipaddr) ip4_addr_set_loopback(ipaddr)
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#define ip_addr_set_hton(dest, src) ip4_addr_set_hton(dest, src)
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#define ip_addr_get_network(target, host, mask) ip4_addr_get_network(target, host, mask)
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#define ip_addr_netcmp(addr1, addr2, mask) ip4_addr_netcmp(addr1, addr2, mask)
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#define ip_addr_cmp(addr1, addr2) ip4_addr_cmp(addr1, addr2)
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#define ip_addr_isany(ipaddr) ip4_addr_isany(ipaddr)
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#define ip_addr_isany_val(ipaddr) ip4_addr_isany_val(ipaddr)
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#define ip_addr_isloopback(ipaddr) ip4_addr_isloopback(ipaddr)
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#define ip_addr_islinklocal(ipaddr) ip4_addr_islinklocal(ipaddr)
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#define ip_addr_isbroadcast(addr, netif) ip4_addr_isbroadcast(addr, netif)
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#define ip_addr_ismulticast(ipaddr) ip4_addr_ismulticast(ipaddr)
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#define ip_addr_debug_print(debug, ipaddr) ip4_addr_debug_print(debug, ipaddr)
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#define ip_addr_debug_print_val(debug, ipaddr) ip4_addr_debug_print_val(debug, ipaddr)
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#define ipaddr_ntoa(ipaddr) ip4addr_ntoa(ipaddr)
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#define ipaddr_ntoa_r(ipaddr, buf, buflen) ip4addr_ntoa_r(ipaddr, buf, buflen)
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#define ipaddr_aton(cp, addr) ip4addr_aton(cp, addr)
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#else /* LWIP_IPV4 */
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typedef ip6_addr_t ip_addr_t;
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#define IPADDR6_INIT(a, b, c, d) { { a, b, c, d } }
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#define IP_IS_V6_VAL(ipaddr) 1
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#define IP_IS_V6(ipaddr) 1
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#define IP_IS_ANY_TYPE_VAL(ipaddr) 0
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#define IP_SET_TYPE_VAL(ipaddr, iptype)
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#define IP_SET_TYPE(ipaddr, iptype)
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#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V6
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#define ip_2_ip6(ipaddr) (ipaddr)
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#define IP_ADDR6(ipaddr,i0,i1,i2,i3) IP6_ADDR(ipaddr,i0,i1,i2,i3)
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#define ip_addr_copy(dest, src) ip6_addr_copy(dest, src)
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#define ip_addr_copy_from_ip6(dest, src) ip6_addr_copy(dest, src)
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#define ip_addr_set(dest, src) ip6_addr_set(dest, src)
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#define ip_addr_set_ipaddr(dest, src) ip6_addr_set(dest, src)
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#define ip_addr_set_zero(ipaddr) ip6_addr_set_zero(ipaddr)
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#define ip_addr_set_zero_ip6(ipaddr) ip6_addr_set_zero(ipaddr)
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#define ip_addr_set_any(is_ipv6, ipaddr) ip6_addr_set_any(ipaddr)
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#define ip_addr_set_loopback(is_ipv6, ipaddr) ip6_addr_set_loopback(ipaddr)
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#define ip_addr_set_hton(dest, src) ip6_addr_set_hton(dest, src)
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#define ip_addr_get_network(target, host, mask) ip6_addr_set_zero(target)
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#define ip_addr_netcmp(addr1, addr2, mask) 0
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#define ip_addr_cmp(addr1, addr2) ip6_addr_cmp(addr1, addr2)
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#define ip_addr_isany(ipaddr) ip6_addr_isany(ipaddr)
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#define ip_addr_isany_val(ipaddr) ip6_addr_isany_val(ipaddr)
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#define ip_addr_isloopback(ipaddr) ip6_addr_isloopback(ipaddr)
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#define ip_addr_islinklocal(ipaddr) ip6_addr_islinklocal(ipaddr)
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#define ip_addr_isbroadcast(addr, netif) 0
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#define ip_addr_ismulticast(ipaddr) ip6_addr_ismulticast(ipaddr)
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#define ip_addr_debug_print(debug, ipaddr) ip6_addr_debug_print(debug, ipaddr)
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#define ip_addr_debug_print_val(debug, ipaddr) ip6_addr_debug_print_val(debug, ipaddr)
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#define ipaddr_ntoa(ipaddr) ip6addr_ntoa(ipaddr)
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#define ipaddr_ntoa_r(ipaddr, buf, buflen) ip6addr_ntoa_r(ipaddr, buf, buflen)
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#define ipaddr_aton(cp, addr) ip6addr_aton(cp, addr)
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#endif /* LWIP_IPV4 */
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#endif /* LWIP_IPV4 && LWIP_IPV6 */
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#if LWIP_IPV4
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extern const ip_addr_t ip_addr_any;
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extern const ip_addr_t ip_addr_broadcast;
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/** IP_ADDR_ can be used as a fixed/const ip_addr_t
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* for the IPv4 wildcard and the broadcast address
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*/
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#define IP_ADDR_ANY (&ip_addr_any)
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#define IP_ADDR_BROADCAST (&ip_addr_broadcast)
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/** IP4_ADDR_ can be used as a fixed/const ip4_addr_t
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* for the wildcard and the broadcast address
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*/
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#define IP4_ADDR_ANY (ip_2_ip4(&ip_addr_any))
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#define IP4_ADDR_BROADCAST (ip_2_ip4(&ip_addr_broadcast))
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#endif /* LWIP_IPV4*/
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#if LWIP_IPV6
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extern const ip_addr_t ip6_addr_any;
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/** IP6_ADDR_ANY can be used as a fixed ip_addr_t
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* for the IPv6 wildcard address
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*/
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#define IP6_ADDR_ANY (&ip6_addr_any)
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/** IP6_ADDR_ANY6 can be used as a fixed ip6_addr_t
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* for the IPv6 wildcard address
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*/
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#define IP6_ADDR_ANY6 (ip_2_ip6(&ip6_addr_any))
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#if !LWIP_IPV4
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/** Just a little upgrade-helper for IPv6-only configurations: */
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#define IP_ADDR_ANY IP6_ADDR_ANY
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#endif /* !LWIP_IPV4 */
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#endif
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#if LWIP_IPV4 && LWIP_IPV6
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#define IP_ANY_TYPE (&ip_addr_any_type)
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#else
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#define IP_ANY_TYPE IP_ADDR_ANY
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_IP_ADDR_H__ */
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