diff options
Diffstat (limited to 'arch/microblaze/include/asm/checksum.h')
| -rw-r--r-- | arch/microblaze/include/asm/checksum.h | 70 |
1 files changed, 2 insertions, 68 deletions
diff --git a/arch/microblaze/include/asm/checksum.h b/arch/microblaze/include/asm/checksum.h index 97ea46b5cf8..128bf03b54b 100644 --- a/arch/microblaze/include/asm/checksum.h +++ b/arch/microblaze/include/asm/checksum.h @@ -10,12 +10,11 @@ #ifndef _ASM_MICROBLAZE_CHECKSUM_H #define _ASM_MICROBLAZE_CHECKSUM_H -#include <linux/in6.h> - /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ +#define csum_tcpudp_nofold csum_tcpudp_nofold static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, __wsum sum) @@ -30,71 +29,6 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, return sum; } -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * the same as csum_partial, but copies from src while it - * checksums - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy(const void *src, void *dst, int len, - __wsum sum); - -/* - * the same as csum_partial_copy, but copies from user space. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *csum_err); - -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy((src), (dst), (len), (sum)) - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -/* - * Fold a partial checksum - */ -static inline __sum16 csum_fold(__wsum csum) -{ - u32 sum = (__force u32)csum; - sum = (sum & 0xffff) + (sum >> 16); - sum = (sum & 0xffff) + (sum >> 16); - return (__force __sum16)~sum; -} - -static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -extern __sum16 ip_compute_csum(const void *buff, int len); +#include <asm-generic/checksum.h> #endif /* _ASM_MICROBLAZE_CHECKSUM_H */ |