1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2011 Texas Instruments Incorporated
4*4882a593Smuzhiyun * Author: Mark Salter <msalter@redhat.com>
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun #ifndef _ASM_C6X_CHECKSUM_H
7*4882a593Smuzhiyun #define _ASM_C6X_CHECKSUM_H
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun static inline __wsum
csum_tcpudp_nofold(__be32 saddr,__be32 daddr,__u32 len,__u8 proto,__wsum sum)10*4882a593Smuzhiyun csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
11*4882a593Smuzhiyun __u8 proto, __wsum sum)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun unsigned long long tmp;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun asm ("add .d1 %1,%5,%1\n"
16*4882a593Smuzhiyun "|| addu .l1 %3,%4,%0\n"
17*4882a593Smuzhiyun "addu .l1 %2,%0,%0\n"
18*4882a593Smuzhiyun #ifndef CONFIG_CPU_BIG_ENDIAN
19*4882a593Smuzhiyun "|| shl .s1 %1,8,%1\n"
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun "addu .l1 %1,%0,%0\n"
22*4882a593Smuzhiyun "add .l1 %P0,%p0,%2\n"
23*4882a593Smuzhiyun : "=&a"(tmp), "+a"(len), "+a"(sum)
24*4882a593Smuzhiyun : "a" (saddr), "a" (daddr), "a" (proto));
25*4882a593Smuzhiyun return sum;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun #define csum_tcpudp_nofold csum_tcpudp_nofold
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #define _HAVE_ARCH_CSUM_AND_COPY
30*4882a593Smuzhiyun extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #include <asm-generic/checksum.h>
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun #endif /* _ASM_C6X_CHECKSUM_H */
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