38 lines
1012 B
C
38 lines
1012 B
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _ASM_CHECKSUM_H
|
||
|
|
#define _ASM_CHECKSUM_H
|
||
|
|
|
||
|
|
#define do_csum do_csum
|
||
|
|
unsigned int do_csum(const void *voidptr, int len);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* the same as csum_partial, but copies from src while it
|
||
|
|
* checksums
|
||
|
|
*
|
||
|
|
* here even more important to align src and dst on a 32-bit (or even
|
||
|
|
* better 64-bit) boundary
|
||
|
|
*/
|
||
|
|
#define csum_partial_copy_nocheck csum_partial_copy_nocheck
|
||
|
|
__wsum csum_partial_copy_nocheck(const void *src, void *dst,
|
||
|
|
int len, __wsum sum);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* computes the checksum of the TCP/UDP pseudo-header
|
||
|
|
* returns a 16-bit checksum, already complemented
|
||
|
|
*/
|
||
|
|
#define csum_tcpudp_nofold csum_tcpudp_nofold
|
||
|
|
__wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
|
||
|
|
__u32 len, __u8 proto, __wsum sum);
|
||
|
|
|
||
|
|
#define csum_tcpudp_magic csum_tcpudp_magic
|
||
|
|
__sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
|
||
|
|
__u32 len, __u8 proto, __wsum sum);
|
||
|
|
|
||
|
|
#include <asm-generic/checksum.h>
|
||
|
|
|
||
|
|
#endif
|