| /** |
| * @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 <adam@sics.se> |
| * |
| */ |
| #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 */ |