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-rw-r--r--arch/mn10300/lib/checksum.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/mn10300/lib/checksum.c b/arch/mn10300/lib/checksum.c
deleted file mode 100644
index 0f569151ef11..000000000000
--- a/arch/mn10300/lib/checksum.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* MN10300 Optimised checksumming wrappers
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <asm/byteorder.h>
-#include <linux/uaccess.h>
-#include <asm/checksum.h>
-#include "internal.h"
-
-static inline unsigned short from32to16(__wsum sum)
-{
- asm(" add %1,%0 \n"
- " addc 0xffff,%0 \n"
- : "=r" (sum)
- : "r" (sum << 16), "0" (sum & 0xffff0000)
- : "cc"
- );
- return sum >> 16;
-}
-
-__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-{
- return ~do_csum(iph, ihl * 4);
-}
-EXPORT_SYMBOL(ip_fast_csum);
-
-__wsum csum_partial(const void *buff, int len, __wsum sum)
-{
- __wsum result;
-
- result = do_csum(buff, len);
- result += sum;
- if (sum > result)
- result++;
- return result;
-}
-EXPORT_SYMBOL(csum_partial);
-
-__sum16 ip_compute_csum(const void *buff, int len)
-{
- return ~from32to16(do_csum(buff, len));
-}
-EXPORT_SYMBOL(ip_compute_csum);
-
-__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
-{
- copy_from_user(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy);
-
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum)
-{
- sum = csum_partial(src, len, sum);
- memcpy(dst, src, len);
- return sum;
-}
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
-__wsum csum_partial_copy_from_user(const void *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- int missing;
-
- missing = copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *err_ptr = -EFAULT;
- }
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
-__wsum csum_and_copy_to_user(const void *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- int missing;
-
- missing = copy_to_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *err_ptr = -EFAULT;
- }
-
- return csum_partial(src, len, sum);
-}
-EXPORT_SYMBOL(csum_and_copy_to_user);