diff options
Diffstat (limited to 'arch/m68k/include/asm/checksum.h')
| -rw-r--r-- | arch/m68k/include/asm/checksum.h | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/arch/m68k/include/asm/checksum.h b/arch/m68k/include/asm/checksum.h index ec514485c8b..2f88d867c71 100644 --- a/arch/m68k/include/asm/checksum.h +++ b/arch/m68k/include/asm/checksum.h @@ -3,6 +3,10 @@ #include <linux/in6.h> +#ifdef CONFIG_GENERIC_CSUM +#include <asm-generic/checksum.h> +#else + /* * computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) @@ -34,30 +38,6 @@ extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); - -#ifdef CONFIG_COLDFIRE - -/* - * The ColdFire cores don't support all the 68k instructions used - * in the optimized checksum code below. So it reverts back to using - * more standard C coded checksums. The fast checksum code is - * significantly larger than the optimized version, so it is not - * inlined here. - */ -__sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -static inline __sum16 csum_fold(__wsum sum) -{ - unsigned int tmp = (__force u32)sum; - - tmp = (tmp & 0xffff) + (tmp >> 16); - tmp = (tmp & 0xffff) + (tmp >> 16); - - return (__force __sum16)~tmp; -} - -#else - /* * This is a version of ip_fast_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. @@ -97,8 +77,6 @@ static inline __sum16 csum_fold(__wsum sum) return (__force __sum16)~sum; } -#endif /* CONFIG_COLDFIRE */ - static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, __wsum sum) @@ -167,4 +145,5 @@ csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, return csum_fold(sum); } +#endif /* CONFIG_GENERIC_CSUM */ #endif /* _M68K_CHECKSUM_H */ |