Commit a2785344 authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller

x86_64: csum_add for x86_64

Add csum_add function for x86_64.
Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 07064c6e
...@@ -188,4 +188,11 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b) ...@@ -188,4 +188,11 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
return a; return a;
} }
#define HAVE_ARCH_CSUM_ADD
static inline __wsum csum_add(__wsum csum, __wsum addend)
{
return (__force __wsum)add32_with_carry((__force unsigned)csum,
(__force unsigned)addend);
}
#endif /* _ASM_X86_CHECKSUM_64_H */ #endif /* _ASM_X86_CHECKSUM_64_H */
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