source: azure_iot_hub_f767zi/trunk/asp_baseplatform/lwip/lwip-2.1.2/src/include/lwip/inet.h@ 457

Last change on this file since 457 was 457, checked in by coas-nagasima, 4 years ago

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1/**
2 * @file
3 * This file (together with sockets.h) aims to provide structs and functions from
4 * - arpa/inet.h
5 * - netinet/in.h
6 *
7 */
8
9/*
10 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 *
16 * 1. Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
27 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
29 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
32 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33 * OF SUCH DAMAGE.
34 *
35 * This file is part of the lwIP TCP/IP stack.
36 *
37 * Author: Adam Dunkels <adam@sics.se>
38 *
39 */
40#ifndef LWIP_HDR_INET_H
41#define LWIP_HDR_INET_H
42
43#include "lwip/opt.h"
44#include "lwip/def.h"
45#include "lwip/ip_addr.h"
46#include "lwip/ip6_addr.h"
47
48#ifdef __cplusplus
49extern "C" {
50#endif
51
52/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
53 to prevent this code from redefining it. */
54#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
55typedef u32_t in_addr_t;
56#endif
57
58struct in_addr {
59 in_addr_t s_addr;
60};
61
62struct in6_addr {
63 union {
64 u32_t u32_addr[4];
65 u8_t u8_addr[16];
66 } un;
67#define s6_addr un.u8_addr
68};
69
70/** 255.255.255.255 */
71#define INADDR_NONE IPADDR_NONE
72/** 127.0.0.1 */
73#define INADDR_LOOPBACK IPADDR_LOOPBACK
74/** 0.0.0.0 */
75#define INADDR_ANY IPADDR_ANY
76/** 255.255.255.255 */
77#define INADDR_BROADCAST IPADDR_BROADCAST
78
79/** This macro can be used to initialize a variable of type struct in6_addr
80 to the IPv6 wildcard address. */
81#define IN6ADDR_ANY_INIT {{{0,0,0,0}}}
82/** This macro can be used to initialize a variable of type struct in6_addr
83 to the IPv6 loopback address. */
84#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}}
85/** This variable is initialized by the system to contain the wildcard IPv6 address. */
86extern const struct in6_addr in6addr_any;
87
88/* Definitions of the bits in an (IPv4) Internet address integer.
89
90 On subnets, host and network parts are found according to
91 the subnet mask, not these masks. */
92#define IN_CLASSA(a) IP_CLASSA(a)
93#define IN_CLASSA_NET IP_CLASSA_NET
94#define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT
95#define IN_CLASSA_HOST IP_CLASSA_HOST
96#define IN_CLASSA_MAX IP_CLASSA_MAX
97
98#define IN_CLASSB(b) IP_CLASSB(b)
99#define IN_CLASSB_NET IP_CLASSB_NET
100#define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT
101#define IN_CLASSB_HOST IP_CLASSB_HOST
102#define IN_CLASSB_MAX IP_CLASSB_MAX
103
104#define IN_CLASSC(c) IP_CLASSC(c)
105#define IN_CLASSC_NET IP_CLASSC_NET
106#define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT
107#define IN_CLASSC_HOST IP_CLASSC_HOST
108#define IN_CLASSC_MAX IP_CLASSC_MAX
109
110#define IN_CLASSD(d) IP_CLASSD(d)
111#define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */
112#define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */
113#define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */
114#define IN_CLASSD_MAX IP_CLASSD_MAX
115
116#define IN_MULTICAST(a) IP_MULTICAST(a)
117
118#define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a)
119#define IN_BADCLASS(a) IP_BADCLASS(a)
120
121#define IN_LOOPBACKNET IP_LOOPBACKNET
122
123
124#ifndef INET_ADDRSTRLEN
125#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
126#endif
127#if LWIP_IPV6
128#ifndef INET6_ADDRSTRLEN
129#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
130#endif
131#endif
132
133#if LWIP_IPV4
134
135#define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
136#define inet_addr_to_ip4addr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
137
138/* directly map this to the lwip internal functions */
139#define inet_addr(cp) ipaddr_addr(cp)
140#define inet_aton(cp, addr) ip4addr_aton(cp, (ip4_addr_t*)addr)
141#define inet_ntoa(addr) ip4addr_ntoa((const ip4_addr_t*)&(addr))
142#define inet_ntoa_r(addr, buf, buflen) ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
143
144#endif /* LWIP_IPV4 */
145
146#if LWIP_IPV6
147#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \
148 (target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \
149 (target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \
150 (target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];}
151#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \
152 (target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \
153 (target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \
154 (target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3]; \
155 ip6_addr_clear_zone(target_ip6addr);}
156
157/* directly map this to the lwip internal functions */
158#define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr)
159#define inet6_ntoa(addr) ip6addr_ntoa((const ip6_addr_t*)&(addr))
160#define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen)
161
162#endif /* LWIP_IPV6 */
163
164
165#ifdef __cplusplus
166}
167#endif
168
169#endif /* LWIP_HDR_INET_H */
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