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authorDavid Howells <dhowells@redhat.com>2009-04-10 14:19:03 +0100
committerDavid Howells <dhowells@redhat.com>2009-04-10 14:19:03 +0100
commitda7616610c8d2ec16a8ada44216e836e5fcbd08b (patch)
treeef3e8ccc7a01694c0ab0eeea387bc46a8807669e /include/asm-mn10300/checksum.h
parent62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff)
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/asm-mn10300/checksum.h')
-rw-r--r--include/asm-mn10300/checksum.h86
1 files changed, 0 insertions, 86 deletions
diff --git a/include/asm-mn10300/checksum.h b/include/asm-mn10300/checksum.h
deleted file mode 100644
index 9fb2a8d8826..00000000000
--- a/include/asm-mn10300/checksum.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/* MN10300 Optimised checksumming code
- *
- * 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.
- */
-#ifndef _ASM_CHECKSUM_H
-#define _ASM_CHECKSUM_H
-
-extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum);
-extern __wsum csum_partial_copy_from_user(const void *src, void *dst,
- int len, __wsum sum,
- int *err_ptr);
-extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
-extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-extern __sum16 ip_compute_csum(const void *buff, int len);
-
-#define csum_partial_copy_fromuser csum_partial_copy
-extern __wsum csum_partial_copy(const void *src, void *dst, int len,
- __wsum sum);
-
-static inline __sum16 csum_fold(__wsum sum)
-{
- asm(
- " add %1,%0 \n"
- " addc 0xffff,%0 \n"
- : "=r" (sum)
- : "r" (sum << 16), "0" (sum & 0xffff0000)
- : "cc"
- );
- return (~sum) >> 16;
-}
-
-static inline __wsum csum_tcpudp_nofold(unsigned long saddr,
- unsigned long daddr,
- unsigned short len,
- unsigned short proto,
- __wsum sum)
-{
- __wsum tmp;
-
- tmp = (__wsum) ntohs(len) << 16;
- tmp += (__wsum) proto << 8;
-
- asm(
- " add %1,%0 \n"
- " addc %2,%0 \n"
- " addc %3,%0 \n"
- " addc 0,%0 \n"
- : "=r" (sum)
- : "r" (daddr), "r"(saddr), "r"(tmp), "0"(sum)
- : "cc"
- );
- return sum;
-}
-
-/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 16-bit checksum, already complemented
- */
-static inline __sum16 csum_tcpudp_magic(unsigned long saddr,
- unsigned long daddr,
- unsigned short len,
- unsigned short proto,
- __wsum sum)
-{
- return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
-}
-
-#undef _HAVE_ARCH_IPV6_CSUM
-
-/*
- * Copy and checksum to user
- */
-#define HAVE_CSUM_COPY_USER
-extern __wsum csum_and_copy_to_user(const void *src, void *dst, int len,
- __wsum sum, int *err_ptr);
-
-
-#endif /* _ASM_CHECKSUM_H */