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34 lines
910 B
34 lines
910 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2011 Texas Instruments Incorporated |
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* Author: Mark Salter <[email protected]> |
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*/ |
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#ifndef _ASM_C6X_CHECKSUM_H |
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#define _ASM_C6X_CHECKSUM_H |
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static inline __wsum |
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csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, |
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__u8 proto, __wsum sum) |
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{ |
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unsigned long long tmp; |
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asm ("add .d1 %1,%5,%1\n" |
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"|| addu .l1 %3,%4,%0\n" |
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"addu .l1 %2,%0,%0\n" |
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#ifndef CONFIG_CPU_BIG_ENDIAN |
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"|| shl .s1 %1,8,%1\n" |
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#endif |
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"addu .l1 %1,%0,%0\n" |
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"add .l1 %P0,%p0,%2\n" |
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: "=&a"(tmp), "+a"(len), "+a"(sum) |
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: "a" (saddr), "a" (daddr), "a" (proto)); |
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return sum; |
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} |
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#define csum_tcpudp_nofold csum_tcpudp_nofold |
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#define _HAVE_ARCH_CSUM_AND_COPY |
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extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len); |
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#include <asm-generic/checksum.h> |
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#endif /* _ASM_C6X_CHECKSUM_H */
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