2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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3 * All rights reserved.
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5 * Redistribution and use in source and binary forms, with or without modification,
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6 * are permitted provided that the following conditions are met:
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8 * 1. Redistributions of source code must retain the above copyright notice,
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9 * this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 * this list of conditions and the following disclaimer in the documentation
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12 * and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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27 * This file is part of the lwIP TCP/IP stack.
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29 * Author: Adam Dunkels <adam@sics.se>
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32 #ifndef __LWIP_INET_H__
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33 #define __LWIP_INET_H__
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35 #include "lwip/arch.h"
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37 #include "lwip/opt.h"
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38 #include "lwip/pbuf.h"
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39 #include "lwip/ip_addr.h"
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41 u16_t inet_chksum(void *dataptr, u16_t len);
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42 #if 0 /* optimized routine */
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43 u16_t inet_chksum4(u8_t *dataptr, u16_t len);
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45 u16_t inet_chksum_pbuf(struct pbuf *p);
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46 u16_t inet_chksum_pseudo(struct pbuf *p,
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47 struct ip_addr *src, struct ip_addr *dest,
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48 u8_t proto, u16_t proto_len);
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50 u32_t inet_addr(const char *cp);
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51 int inet_aton(const char *cp, struct in_addr *addr);
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52 char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */
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67 #ifndef LWIP_PLATFORM_BYTESWAP
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68 #define LWIP_PLATFORM_BYTESWAP 0
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71 #if BYTE_ORDER == BIG_ENDIAN
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72 #define htons(x) (x)
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73 #define ntohs(x) (x)
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74 #define htonl(x) (x)
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75 #define ntohl(x) (x)
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76 #else /* BYTE_ORDER != BIG_ENDIAN */
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77 #ifdef LWIP_PREFIX_BYTEORDER_FUNCS
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78 /* workaround for naming collisions on some platforms */
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79 #define htons lwip_htons
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80 #define ntohs lwip_ntohs
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81 #define htonl lwip_htonl
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82 #define ntohl lwip_ntohl
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84 #if LWIP_PLATFORM_BYTESWAP
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85 #define htons(x) LWIP_PLATFORM_HTONS(x)
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86 #define ntohs(x) LWIP_PLATFORM_HTONS(x)
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87 #define htonl(x) LWIP_PLATFORM_HTONL(x)
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88 #define ntohl(x) LWIP_PLATFORM_HTONL(x)
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90 u16_t htons(u16_t x);
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91 u16_t ntohs(u16_t x);
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92 u32_t htonl(u32_t x);
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93 u32_t ntohl(u32_t x);
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98 #endif /* __LWIP_INET_H__ */
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