/** * @file * This file (together with sockets.h) aims to provide structs and functions from * - arpa/inet.h * - netinet/in.h * */ /* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels * */ #ifndef LWIP_HDR_INET_H #define LWIP_HDR_INET_H #include "lwip/opt.h" #include "lwip/def.h" #include "lwip/ip_addr.h" #include "lwip/ip6_addr.h" #ifdef __cplusplus extern "C" { #endif /* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED to prevent this code from redefining it. */ #if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED) typedef u32_t in_addr_t; #endif struct in_addr { in_addr_t s_addr; }; struct in6_addr { union { u32_t u32_addr[4]; u8_t u8_addr[16]; } un; #define s6_addr un.u8_addr }; /** 255.255.255.255 */ #define INADDR_NONE IPADDR_NONE /** 127.0.0.1 */ #define INADDR_LOOPBACK IPADDR_LOOPBACK /** 0.0.0.0 */ #define INADDR_ANY IPADDR_ANY /** 255.255.255.255 */ #define INADDR_BROADCAST IPADDR_BROADCAST /** This macro can be used to initialize a variable of type struct in6_addr to the IPv6 wildcard address. */ #define IN6ADDR_ANY_INIT {{{0,0,0,0}}} /** This macro can be used to initialize a variable of type struct in6_addr to the IPv6 loopback address. */ #define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}} /** This variable is initialized by the system to contain the wildcard IPv6 address. */ extern const struct in6_addr in6addr_any; /* Definitions of the bits in an (IPv4) Internet address integer. On subnets, host and network parts are found according to the subnet mask, not these masks. */ #define IN_CLASSA(a) IP_CLASSA(a) #define IN_CLASSA_NET IP_CLASSA_NET #define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT #define IN_CLASSA_HOST IP_CLASSA_HOST #define IN_CLASSA_MAX IP_CLASSA_MAX #define IN_CLASSB(b) IP_CLASSB(b) #define IN_CLASSB_NET IP_CLASSB_NET #define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT #define IN_CLASSB_HOST IP_CLASSB_HOST #define IN_CLASSB_MAX IP_CLASSB_MAX #define IN_CLASSC(c) IP_CLASSC(c) #define IN_CLASSC_NET IP_CLASSC_NET #define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT #define IN_CLASSC_HOST IP_CLASSC_HOST #define IN_CLASSC_MAX IP_CLASSC_MAX #define IN_CLASSD(d) IP_CLASSD(d) #define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */ #define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */ #define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */ #define IN_CLASSD_MAX IP_CLASSD_MAX #define IN_MULTICAST(a) IP_MULTICAST(a) #define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a) #define IN_BADCLASS(a) IP_BADCLASS(a) #define IN_LOOPBACKNET IP_LOOPBACKNET #ifndef INET_ADDRSTRLEN #define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX #endif #if LWIP_IPV6 #ifndef INET6_ADDRSTRLEN #define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX #endif #endif #if LWIP_IPV4 #define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr)) #define inet_addr_to_ip4addr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr)) /* directly map this to the lwip internal functions */ #define inet_addr(cp) ipaddr_addr(cp) #define inet_aton(cp, addr) ip4addr_aton(cp, (ip4_addr_t*)addr) #define inet_ntoa(addr) ip4addr_ntoa((const ip4_addr_t*)&(addr)) #define inet_ntoa_r(addr, buf, buflen) ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen) #endif /* LWIP_IPV4 */ #if LWIP_IPV6 #define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \ (target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \ (target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \ (target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];} #define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \ (target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \ (target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \ (target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3]; \ ip6_addr_clear_zone(target_ip6addr);} /* directly map this to the lwip internal functions */ #define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr) #define inet6_ntoa(addr) ip6addr_ntoa((const ip6_addr_t*)&(addr)) #define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen) #endif /* LWIP_IPV6 */ #ifdef __cplusplus } #endif #endif /* LWIP_HDR_INET_H */