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| author | Chen, Kenneth W <kenneth.w.chen@intel.com> | 2006-11-10 22:17:50 +0100 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2006-12-07 20:17:26 +0100 |
| commit | 007d77d0c5eb36555443ff273ce2a27f90da8837 (patch) | |
| tree | 6d85a48be575cc8cda1bef7b7aa360ac8bcebde7 /include/asm-ia64/checksum.h | |
| parent | [IA64] More Itanium PAL spec updates (diff) | |
| download | linux-007d77d0c5eb36555443ff273ce2a27f90da8837.tar.xz linux-007d77d0c5eb36555443ff273ce2a27f90da8837.zip | |
[IA64] implement csum_ipv6_magic for ia64.
The asm version is 4.4 times faster than the generic C version and
10X smaller in code size.
Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/checksum.h')
| -rw-r--r-- | include/asm-ia64/checksum.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-ia64/checksum.h b/include/asm-ia64/checksum.h index bd40f4756ce1..2b78582cbd61 100644 --- a/include/asm-ia64/checksum.h +++ b/include/asm-ia64/checksum.h @@ -70,4 +70,10 @@ static inline __sum16 csum_fold(__wsum csum) return (__force __sum16)~sum; } +#define _HAVE_ARCH_IPV6_CSUM 1 +struct in6_addr; +extern unsigned short int csum_ipv6_magic(struct in6_addr *saddr, + struct in6_addr *daddr, __u32 len, unsigned short proto, + unsigned int csum); + #endif /* _ASM_IA64_CHECKSUM_H */ |