summaryrefslogtreecommitdiffstats
path: root/arch/alpha/include/asm/checksum.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/alpha/include/asm/checksum.h')
-rw-r--r--arch/alpha/include/asm/checksum.h75
1 files changed, 0 insertions, 75 deletions
diff --git a/arch/alpha/include/asm/checksum.h b/arch/alpha/include/asm/checksum.h
deleted file mode 100644
index d3854bb..0000000
--- a/arch/alpha/include/asm/checksum.h
+++ /dev/null
@@ -1,75 +0,0 @@
-#ifndef _ALPHA_CHECKSUM_H
-#define _ALPHA_CHECKSUM_H
-
-#include <linux/in6.h>
-
-/*
- * 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);
-
-__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);
-
-/*
- * 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
- */
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp);
-
-__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
-extern __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
- const struct in6_addr *daddr,
- __u32 len, unsigned short proto,
- __wsum sum);
-#endif