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Diffstat (limited to 'include/asm-ia64/checksum.h')
-rw-r--r-- | include/asm-ia64/checksum.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/include/asm-ia64/checksum.h b/include/asm-ia64/checksum.h deleted file mode 100644 index 97af155..0000000 --- a/include/asm-ia64/checksum.h +++ /dev/null @@ -1,79 +0,0 @@ -#ifndef _ASM_IA64_CHECKSUM_H -#define _ASM_IA64_CHECKSUM_H - -/* - * Modified 1998, 1999 - * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co - */ - -/* - * 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); - -/* - * Computes the checksum of the TCP/UDP pseudo-header returns a 16-bit - * checksum, already complemented - */ -extern __sum16 csum_tcpudp_magic (__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum); - -extern __wsum csum_tcpudp_nofold (__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum 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); - -/* - * Same as csum_partial, but copies from src while it checksums. - * - * Here it is 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 *errp); - -extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum); - -/* - * This routine is used for miscellaneous IP-like checksums, mainly in - * icmp.c - */ -extern __sum16 ip_compute_csum(const void *buff, int len); - -/* - * Fold a partial checksum without adding pseudo headers. - */ -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; -} - -#define _HAVE_ARCH_IPV6_CSUM 1 -struct in6_addr; -extern __sum16 csum_ipv6_magic(const struct in6_addr *saddr, - const struct in6_addr *daddr, __u32 len, unsigned short proto, - __wsum csum); - -#endif /* _ASM_IA64_CHECKSUM_H */ |