2 * Copyright (C) 2011 Texas Instruments Incorporated
3 * Author: Mark Salter <msalter@redhat.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 #ifndef _ASM_C6X_CHECKSUM_H
10 #define _ASM_C6X_CHECKSUM_H
13 csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
14 __u8 proto, __wsum sum)
16 unsigned long long tmp;
18 asm ("add .d1 %1,%5,%1\n"
19 "|| addu .l1 %3,%4,%0\n"
21 #ifndef CONFIG_CPU_BIG_ENDIAN
22 "|| shl .s1 %1,8,%1\n"
25 "add .l1 %P0,%p0,%2\n"
26 : "=&a"(tmp), "+a"(len), "+a"(sum)
27 : "a" (saddr), "a" (daddr), "a" (proto));
30 #define csum_tcpudp_nofold csum_tcpudp_nofold
32 #include <asm-generic/checksum.h>
34 #endif /* _ASM_C6X_CHECKSUM_H */