1/*
2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 *    this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 *    this list of conditions and the following disclaimer in the documentation
12 *    and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25 * OF SUCH DAMAGE.
26 *
27 * This file is part of the lwIP TCP/IP stack.
28 *
29 * Author: Adam Dunkels <adam@sics.se>
30 *
31 */
32#ifndef __LWIP_INET_H__
33#define __LWIP_INET_H__
34
35#include "lwip/opt.h"
36#include "lwip/def.h"
37#include "lwip/ip_addr.h"
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43/** For compatibility with BSD code */
44#include <netinet/in.h>
45
46/** 255.255.255.255 */
47#define INADDR_NONE         IPADDR_NONE
48/** 127.0.0.1 */
49#define INADDR_LOOPBACK     IPADDR_LOOPBACK
50/** 0.0.0.0 */
51#define INADDR_ANY          IPADDR_ANY
52/** 255.255.255.255 */
53#define INADDR_BROADCAST    IPADDR_BROADCAST
54
55/* Definitions of the bits in an Internet address integer.
56
57   On subnets, host and network parts are found according to
58   the subnet mask, not these masks.  */
59#define IN_CLASSA(a)        IP_CLASSA(a)
60#define IN_CLASSA_NET       IP_CLASSA_NET
61#define IN_CLASSA_NSHIFT    IP_CLASSA_NSHIFT
62#define IN_CLASSA_HOST      IP_CLASSA_HOST
63#define IN_CLASSA_MAX       IP_CLASSA_MAX
64
65#define IN_CLASSB(b)        IP_CLASSB(b)
66#define IN_CLASSB_NET       IP_CLASSB_NET
67#define IN_CLASSB_NSHIFT    IP_CLASSB_NSHIFT
68#define IN_CLASSB_HOST      IP_CLASSB_HOST
69#define IN_CLASSB_MAX       IP_CLASSB_MAX
70
71#define IN_CLASSC(c)        IP_CLASSC(c)
72#define IN_CLASSC_NET       IP_CLASSC_NET
73#define IN_CLASSC_NSHIFT    IP_CLASSC_NSHIFT
74#define IN_CLASSC_HOST      IP_CLASSC_HOST
75#define IN_CLASSC_MAX       IP_CLASSC_MAX
76
77#define IN_CLASSD(d)        IP_CLASSD(d)
78#define IN_CLASSD_NET       IP_CLASSD_NET     /* These ones aren't really */
79#define IN_CLASSD_NSHIFT    IP_CLASSD_NSHIFT  /*   net and host fields, but */
80#define IN_CLASSD_HOST      IP_CLASSD_HOST    /*   routing needn't know. */
81#define IN_CLASSD_MAX       IP_CLASSD_MAX
82
83#define IN_MULTICAST(a)     IP_MULTICAST(a)
84
85#define IN_EXPERIMENTAL(a)  IP_EXPERIMENTAL(a)
86#define IN_BADCLASS(a)      IP_BADCLASS(a)
87
88#define IN_LOOPBACKNET      IP_LOOPBACKNET
89
90#define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
91#define inet_addr_to_ipaddr(target_ipaddr, source_inaddr)   (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
92/* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */
93#define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr)   ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr))
94
95/* directly map this to the lwip internal functions */
96#define inet_addr(cp)         ipaddr_addr(cp)
97#define inet_aton(cp, addr)   ipaddr_aton(cp, (ip_addr_t*)addr)
98#define inet_ntoa(addr)       ipaddr_ntoa((ip_addr_t*)&(addr))
99#define inet_ntoa_r(addr, buf, buflen) ipaddr_ntoa_r((ip_addr_t*)&(addr), buf, buflen)
100
101#ifdef __cplusplus
102}
103#endif
104
105#endif /* __LWIP_INET_H__ */
106