CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/include/ipv4/lwip/inet_chksum.h@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /*
GordonSin 0:0ed2a7c7190c 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
GordonSin 0:0ed2a7c7190c 3 * All rights reserved.
GordonSin 0:0ed2a7c7190c 4 *
GordonSin 0:0ed2a7c7190c 5 * Redistribution and use in source and binary forms, with or without modification,
GordonSin 0:0ed2a7c7190c 6 * are permitted provided that the following conditions are met:
GordonSin 0:0ed2a7c7190c 7 *
GordonSin 0:0ed2a7c7190c 8 * 1. Redistributions of source code must retain the above copyright notice,
GordonSin 0:0ed2a7c7190c 9 * this list of conditions and the following disclaimer.
GordonSin 0:0ed2a7c7190c 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
GordonSin 0:0ed2a7c7190c 11 * this list of conditions and the following disclaimer in the documentation
GordonSin 0:0ed2a7c7190c 12 * and/or other materials provided with the distribution.
GordonSin 0:0ed2a7c7190c 13 * 3. The name of the author may not be used to endorse or promote products
GordonSin 0:0ed2a7c7190c 14 * derived from this software without specific prior written permission.
GordonSin 0:0ed2a7c7190c 15 *
GordonSin 0:0ed2a7c7190c 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
GordonSin 0:0ed2a7c7190c 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
GordonSin 0:0ed2a7c7190c 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
GordonSin 0:0ed2a7c7190c 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
GordonSin 0:0ed2a7c7190c 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
GordonSin 0:0ed2a7c7190c 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
GordonSin 0:0ed2a7c7190c 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
GordonSin 0:0ed2a7c7190c 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
GordonSin 0:0ed2a7c7190c 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
GordonSin 0:0ed2a7c7190c 25 * OF SUCH DAMAGE.
GordonSin 0:0ed2a7c7190c 26 *
GordonSin 0:0ed2a7c7190c 27 * This file is part of the lwIP TCP/IP stack.
GordonSin 0:0ed2a7c7190c 28 *
GordonSin 0:0ed2a7c7190c 29 * Author: Adam Dunkels <adam@sics.se>
GordonSin 0:0ed2a7c7190c 30 *
GordonSin 0:0ed2a7c7190c 31 */
GordonSin 0:0ed2a7c7190c 32 #ifndef __LWIP_INET_CHKSUM_H__
GordonSin 0:0ed2a7c7190c 33 #define __LWIP_INET_CHKSUM_H__
GordonSin 0:0ed2a7c7190c 34
GordonSin 0:0ed2a7c7190c 35 #include "lwip/opt.h"
GordonSin 0:0ed2a7c7190c 36
GordonSin 0:0ed2a7c7190c 37 #include "lwip/pbuf.h"
GordonSin 0:0ed2a7c7190c 38 #include "lwip/ip_addr.h"
GordonSin 0:0ed2a7c7190c 39
GordonSin 0:0ed2a7c7190c 40 /** Swap the bytes in an u16_t: much like htons() for little-endian */
GordonSin 0:0ed2a7c7190c 41 #ifndef SWAP_BYTES_IN_WORD
GordonSin 0:0ed2a7c7190c 42 #if LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)
GordonSin 0:0ed2a7c7190c 43 /* little endian and PLATFORM_BYTESWAP defined */
GordonSin 0:0ed2a7c7190c 44 #define SWAP_BYTES_IN_WORD(w) LWIP_PLATFORM_HTONS(w)
GordonSin 0:0ed2a7c7190c 45 #else /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) */
GordonSin 0:0ed2a7c7190c 46 /* can't use htons on big endian (or PLATFORM_BYTESWAP not defined)... */
GordonSin 0:0ed2a7c7190c 47 #define SWAP_BYTES_IN_WORD(w) (((w) & 0xff) << 8) | (((w) & 0xff00) >> 8)
GordonSin 0:0ed2a7c7190c 48 #endif /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)*/
GordonSin 0:0ed2a7c7190c 49 #endif /* SWAP_BYTES_IN_WORD */
GordonSin 0:0ed2a7c7190c 50
GordonSin 0:0ed2a7c7190c 51 /** Split an u32_t in two u16_ts and add them up */
GordonSin 0:0ed2a7c7190c 52 #ifndef FOLD_U32T
GordonSin 0:0ed2a7c7190c 53 #define FOLD_U32T(u) (((u) >> 16) + ((u) & 0x0000ffffUL))
GordonSin 0:0ed2a7c7190c 54 #endif
GordonSin 0:0ed2a7c7190c 55
GordonSin 0:0ed2a7c7190c 56 #if LWIP_CHECKSUM_ON_COPY
GordonSin 0:0ed2a7c7190c 57 /** Function-like macro: same as MEMCPY but returns the checksum of copied data
GordonSin 0:0ed2a7c7190c 58 as u16_t */
GordonSin 0:0ed2a7c7190c 59 #ifndef LWIP_CHKSUM_COPY
GordonSin 0:0ed2a7c7190c 60 #define LWIP_CHKSUM_COPY(dst, src, len) lwip_chksum_copy(dst, src, len)
GordonSin 0:0ed2a7c7190c 61 #ifndef LWIP_CHKSUM_COPY_ALGORITHM
GordonSin 0:0ed2a7c7190c 62 #define LWIP_CHKSUM_COPY_ALGORITHM 1
GordonSin 0:0ed2a7c7190c 63 #endif /* LWIP_CHKSUM_COPY_ALGORITHM */
GordonSin 0:0ed2a7c7190c 64 #endif /* LWIP_CHKSUM_COPY */
GordonSin 0:0ed2a7c7190c 65 #else /* LWIP_CHECKSUM_ON_COPY */
GordonSin 0:0ed2a7c7190c 66 #define LWIP_CHKSUM_COPY_ALGORITHM 0
GordonSin 0:0ed2a7c7190c 67 #endif /* LWIP_CHECKSUM_ON_COPY */
GordonSin 0:0ed2a7c7190c 68
GordonSin 0:0ed2a7c7190c 69 #ifdef __cplusplus
GordonSin 0:0ed2a7c7190c 70 extern "C" {
GordonSin 0:0ed2a7c7190c 71 #endif
GordonSin 0:0ed2a7c7190c 72
GordonSin 0:0ed2a7c7190c 73 u16_t inet_chksum(void *dataptr, u16_t len);
GordonSin 0:0ed2a7c7190c 74 u16_t inet_chksum_pbuf(struct pbuf *p);
GordonSin 0:0ed2a7c7190c 75 u16_t inet_chksum_pseudo(struct pbuf *p,
GordonSin 0:0ed2a7c7190c 76 ip_addr_t *src, ip_addr_t *dest,
GordonSin 0:0ed2a7c7190c 77 u8_t proto, u16_t proto_len);
GordonSin 0:0ed2a7c7190c 78 u16_t inet_chksum_pseudo_partial(struct pbuf *p,
GordonSin 0:0ed2a7c7190c 79 ip_addr_t *src, ip_addr_t *dest,
GordonSin 0:0ed2a7c7190c 80 u8_t proto, u16_t proto_len, u16_t chksum_len);
GordonSin 0:0ed2a7c7190c 81 #if LWIP_CHKSUM_COPY_ALGORITHM
GordonSin 0:0ed2a7c7190c 82 u16_t lwip_chksum_copy(void *dst, const void *src, u16_t len);
GordonSin 0:0ed2a7c7190c 83 #endif /* LWIP_CHKSUM_COPY_ALGORITHM */
GordonSin 0:0ed2a7c7190c 84
GordonSin 0:0ed2a7c7190c 85 #ifdef __cplusplus
GordonSin 0:0ed2a7c7190c 86 }
GordonSin 0:0ed2a7c7190c 87 #endif
GordonSin 0:0ed2a7c7190c 88
GordonSin 0:0ed2a7c7190c 89 #endif /* __LWIP_INET_H__ */
GordonSin 0:0ed2a7c7190c 90