lib/drivers/lwip/src/include/ipv4/lwip/inet.h

   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
  40 extern "C" {
  41 #endif
  42
  43 /** For compatibility with BSD code */
  44 struct in_addr {
  45   u32_t s_addr;
  46 };
  47
  48 /** 255.255.255.255 */
  49 #define INADDR_NONE         IPADDR_NONE
  50 /** 127.0.0.1 */
  51 #define INADDR_LOOPBACK     IPADDR_LOOPBACK
  52 /** 0.0.0.0 */
  53 #define INADDR_ANY          IPADDR_ANY
  54 /** 255.255.255.255 */
  55 #define INADDR_BROADCAST    IPADDR_BROADCAST
  56
  57 /* Definitions of the bits in an Internet address integer.
  58
  59    On subnets, host and network parts are found according to
  60    the subnet mask, not these masks.  */
  61 #define IN_CLASSA(a)        IP_CLASSA(a)
  62 #define IN_CLASSA_NET       IP_CLASSA_NET
  63 #define IN_CLASSA_NSHIFT    IP_CLASSA_NSHIFT
  64 #define IN_CLASSA_HOST      IP_CLASSA_HOST
  65 #define IN_CLASSA_MAX       IP_CLASSA_MAX
  66
  67 #define IN_CLASSB(b)        IP_CLASSB(b)
  68 #define IN_CLASSB_NET       IP_CLASSB_NET
  69 #define IN_CLASSB_NSHIFT    IP_CLASSB_NSHIFT
  70 #define IN_CLASSB_HOST      IP_CLASSB_HOST
  71 #define IN_CLASSB_MAX       IP_CLASSB_MAX
  72
  73 #define IN_CLASSC(c)        IP_CLASSC(c)
  74 #define IN_CLASSC_NET       IP_CLASSC_NET
  75 #define IN_CLASSC_NSHIFT    IP_CLASSC_NSHIFT
  76 #define IN_CLASSC_HOST      IP_CLASSC_HOST
  77 #define IN_CLASSC_MAX       IP_CLASSC_MAX
  78
  79 #define IN_CLASSD(d)        IP_CLASSD(d)
  80 #define IN_CLASSD_NET       IP_CLASSD_NET     /* These ones aren't really */
  81 #define IN_CLASSD_NSHIFT    IP_CLASSD_NSHIFT  /*   net and host fields, but */
  82 #define IN_CLASSD_HOST      IP_CLASSD_HOST    /*   routing needn't know. */
  83 #define IN_CLASSD_MAX       IP_CLASSD_MAX
  84
  85 #define IN_MULTICAST(a)     IP_MULTICAST(a)
  86
  87 #define IN_EXPERIMENTAL(a)  IP_EXPERIMENTAL(a)
  88 #define IN_BADCLASS(a)      IP_BADCLASS(a)
  89
  90 #define IN_LOOPBACKNET      IP_LOOPBACKNET
  91
  92 #define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
  93 #define inet_addr_to_ipaddr(target_ipaddr, source_inaddr)   (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
  94 /* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */
  95 #define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr)   ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr))
  96
  97 /* directly map this to the lwip internal functions */
  98 #define inet_addr(cp)         ipaddr_addr(cp)
  99 #define inet_aton(cp, addr)   ipaddr_aton(cp, (ip_addr_t*)addr)
 100 #define inet_ntoa(addr)       ipaddr_ntoa((ip_addr_t*)&(addr))
 101 #define inet_ntoa_r(addr, buf, buflen) ipaddr_ntoa_r((ip_addr_t*)&(addr), buf, buflen)
 102
 103 #ifdef __cplusplus
 104 }
 105 #endif
 106
 107 #endif /* __LWIP_INET_H__ */