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-rw-r--r--arch/cris/include/asm/checksum.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/cris/include/asm/checksum.h b/arch/cris/include/asm/checksum.h
deleted file mode 100644
index 61b6a4f6a002..000000000000
--- a/arch/cris/include/asm/checksum.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* TODO: csum_tcpudp_magic could be speeded up, and csum_fold as well */
-
-#ifndef _CRIS_CHECKSUM_H
-#define _CRIS_CHECKSUM_H
-
-#include <arch/checksum.h>
-
-/*
- * 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
- */
-__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_nocheck(const void *src, void *dst,
- int len, __wsum sum);
-
-/*
- * Fold a partial checksum into a word
- */
-
-static inline __sum16 csum_fold(__wsum csum)
-{
- u32 sum = (__force u32)csum;
- sum = (sum & 0xffff) + (sum >> 16); /* add in end-around carry */
- sum = (sum & 0xffff) + (sum >> 16); /* add in end-around carry */
- return (__force __sum16)~sum;
-}
-
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum,
- int *errptr);
-
-/*
- * This is a version of ip_compute_csum() optimized for IP headers,
- * which always checksum on 4 octet boundaries.
- *
- */
-
-static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-{
- return csum_fold(csum_partial(iph, ihl * 4, 0));
-}
-
-/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 16-bit checksum, already complemented
- */
-
-static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
- __u32 len, __u8 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
- */
-
-static inline __sum16 ip_compute_csum(const void *buff, int len)
-{
- return csum_fold (csum_partial(buff, len, 0));
-}
-
-#endif