blob: 3ce4ecd44f824c54502f8b2e39e7b636d3b663aa [file] [log] [blame]
Richard Kuo075a46a2011-10-31 18:38:04 -05001/*
2 * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
16 * 02110-1301, USA.
17 */
18
19#ifndef _ASM_CHECKSUM_H
20#define _ASM_CHECKSUM_H
21
22#define do_csum do_csum
23unsigned int do_csum(const void *voidptr, int len);
24
25/*
26 * the same as csum_partial, but copies from src while it
27 * checksums
28 *
29 * here even more important to align src and dst on a 32-bit (or even
30 * better 64-bit) boundary
31 */
32#define csum_partial_copy_nocheck csum_partial_copy_nocheck
33__wsum csum_partial_copy_nocheck(const void *src, void *dst,
34 int len, __wsum sum);
35
36/*
37 * computes the checksum of the TCP/UDP pseudo-header
38 * returns a 16-bit checksum, already complemented
39 */
40#define csum_tcpudp_nofold csum_tcpudp_nofold
41__wsum csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr,
42 unsigned short len, unsigned short proto, __wsum sum);
43
44#define csum_tcpudp_magic csum_tcpudp_magic
45__sum16 csum_tcpudp_magic(unsigned long saddr, unsigned long daddr,
46 unsigned short len, unsigned short proto, __wsum sum);
47
48#include <asm-generic/checksum.h>
49
50#endif