1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  Copyright (C) 2011 Texas Instruments Incorporated
4 *  Author: Mark Salter <msalter@redhat.com>
5 */
6#ifndef _ASM_C6X_CHECKSUM_H
7#define _ASM_C6X_CHECKSUM_H
8
9static inline __wsum
10csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
11		   __u8 proto, __wsum sum)
12{
13	unsigned long long tmp;
14
15	asm ("add     .d1   %1,%5,%1\n"
16	     "|| addu .l1   %3,%4,%0\n"
17	     "addu    .l1   %2,%0,%0\n"
18#ifndef CONFIG_CPU_BIG_ENDIAN
19	     "|| shl  .s1   %1,8,%1\n"
20#endif
21	     "addu    .l1   %1,%0,%0\n"
22	     "add     .l1   %P0,%p0,%2\n"
23	     : "=&a"(tmp), "+a"(len), "+a"(sum)
24	     : "a" (saddr), "a" (daddr), "a" (proto));
25	return sum;
26}
27#define csum_tcpudp_nofold csum_tcpudp_nofold
28
29#define _HAVE_ARCH_CSUM_AND_COPY
30extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len);
31
32#include <asm-generic/checksum.h>
33
34#endif /* _ASM_C6X_CHECKSUM_H */
35