mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 06:36:44 +07:00
14f8738976
The microblaze checksum code is mostly identical to the asm-generic+lib version, so use that instead. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
35 lines
897 B
C
35 lines
897 B
C
/*
|
|
* Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
|
|
* Copyright (C) 2006 Atmark Techno, Inc.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
|
|
#ifndef _ASM_MICROBLAZE_CHECKSUM_H
|
|
#define _ASM_MICROBLAZE_CHECKSUM_H
|
|
|
|
/*
|
|
* computes the checksum of the TCP/UDP pseudo-header
|
|
* returns a 16-bit checksum, already complemented
|
|
*/
|
|
#define csum_tcpudp_nofold csum_tcpudp_nofold
|
|
static inline __wsum
|
|
csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
|
|
unsigned short proto, __wsum sum)
|
|
{
|
|
__asm__("add %0, %0, %1\n\t"
|
|
"addc %0, %0, %2\n\t"
|
|
"addc %0, %0, %3\n\t"
|
|
"addc %0, %0, r0\n\t"
|
|
: "+&d" (sum)
|
|
: "d" (saddr), "d" (daddr), "d" (len + proto));
|
|
|
|
return sum;
|
|
}
|
|
|
|
#include <asm-generic/checksum.h>
|
|
|
|
#endif /* _ASM_MICROBLAZE_CHECKSUM_H */
|