* better 64-bit) boundary
*/
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+#define _HAVE_ARCH_CSUM_AND_COPY
__wsum csum_and_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);
csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr);
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+#define _HAVE_ARCH_CSUM_AND_COPY
static inline
__wsum csum_and_copy_from_user (const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
}
#define csum_tcpudp_nofold csum_tcpudp_nofold
+#define _HAVE_ARCH_CSUM_AND_COPY
+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
+
#include <asm-generic/checksum.h>
#endif /* _ASM_C6X_CHECKSUM_H */
#define do_csum do_csum
unsigned int do_csum(const void *voidptr, int len);
-/*
- * 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
- */
-#define csum_partial_copy_nocheck csum_partial_copy_nocheck
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum);
-
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
return 0xFFFF & sum0;
}
-
-/*
- * copy from ds while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
-{
- memcpy(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
*/
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);
-
/*
* This routine is used for miscellaneous IP-like checksums, mainly in
* icmp.c
out:
return result;
}
-
-/*
- * XXX Fixme
- *
- * This is very ugly but temporary. THIS NEEDS SERIOUS ENHANCEMENTS.
- * But it's very tricky to get right even in C.
- */
-__wsum
-csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
-{
- memcpy(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
*/
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+#define _HAVE_ARCH_CSUM_AND_COPY
extern __wsum csum_and_copy_from_user(const void __user *src,
void *dst,
int len, __wsum sum,
* the same as csum_partial, but copies from user space (but on MIPS
* we have just one address space, so this is identical to the above)
*/
+#define _HAVE_ARCH_CSUM_AND_COPY
__wsum csum_partial_copy_nocheck(const void *src, void *dst,
int len, __wsum sum);
-#define csum_partial_copy_nocheck csum_partial_copy_nocheck
/*
* Fold a partial checksum without adding pseudo headers
/* Take these from lib/checksum.c */
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len,
- __wsum sum);
-#define csum_partial_copy_nocheck csum_partial_copy_nocheck
-
extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
extern __sum16 ip_compute_csum(const void *buff, int len);
*/
extern __wsum csum_partial(const void *, int, __wsum);
-/*
- * 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
- */
-extern __wsum csum_partial_copy_nocheck(const void *, void *, int, __wsum);
-
/*
* Optimized for IP headers, which always checksum on 4 octet boundaries.
*
}
EXPORT_SYMBOL(csum_partial);
-
-/*
- * copy while checksumming, otherwise like csum_partial
- */
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum)
-{
- /*
- * It's 2:30 am and I don't feel like doing it real ...
- * This is lots slower than the real thing (tm)
- */
- sum = csum_partial(src, len, sum);
- memcpy(dst, src, len);
-
- return sum;
-}
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
extern __wsum csum_and_copy_to_user(const void *src, void __user *dst,
int len, __wsum sum, int *err_ptr);
+#define _HAVE_ARCH_CSUM_AND_COPY
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
return sum;
}
-static inline __wsum
-csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
-{
- memcpy(dst,src,len);
- return csum_partial(dst, len, sum);
-}
-
/*
* Fold a partial checksum without adding pseudo headers
*/
int len, __wsum sum,
int *src_err_ptr, int *dst_err_ptr);
+#define _HAVE_ARCH_CSUM_AND_COPY
/*
* Note: when you get a NULL pointer exception here this means someone
* passed in an incorrect kernel address to one of these functions.
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___ASM_SPARC_CHECKSUM_H
#define ___ASM_SPARC_CHECKSUM_H
+#define _HAVE_ARCH_CSUM_AND_COPY
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
#if defined(__sparc__) && defined(__arch64__)
#include <asm/checksum_64.h>
/* SPDX-License-Identifier: GPL-2.0 */
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER 1
#define HAVE_CSUM_COPY_USER
+#define _HAVE_ARCH_CSUM_AND_COPY
#ifdef CONFIG_X86_32
# include <asm/checksum_32.h>
#else
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-/*
- * Note: when you get a NULL pointer exception here this means someone
- * passed in an incorrect kernel address to one of these functions.
- *
- * If you use these functions directly please don't forget the
- * access_ok().
- */
-
-static __inline__
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
- int len, __wsum sum)
-{
- memcpy(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-
/**
* csum_fold - Fold and invert a 32bit checksum.
* sum: 32bit unfolded sum
int len, __wsum sum,
int *src_err_ptr, int *dst_err_ptr);
+#define _HAVE_ARCH_CSUM_AND_COPY
/*
* Note: when you get a NULL pointer exception here this means someone
* passed in an incorrect kernel address to one of these functions.
*/
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
- */
-#ifndef csum_partial_copy_nocheck
-__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len,
- __wsum sum);
-#endif
-
#ifndef ip_fast_csum
/*
* This is a version of ip_compute_csum() optimized for IP headers,
}
#endif
+#ifndef _HAVE_ARCH_CSUM_AND_COPY
+static inline __wsum
+csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
+{
+ memcpy(dst, src, len);
+ return csum_partial(dst, len, sum);
+}
+#endif
+
#ifndef HAVE_ARCH_CSUM_ADD
static inline __wsum csum_add(__wsum csum, __wsum addend)
{
}
EXPORT_SYMBOL(ip_compute_csum);
-/*
- * copy from ds while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
-{
- memcpy(dst, src, len);
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
#ifndef csum_tcpudp_nofold
static inline u32 from64to32(u64 x)
{
projects / mirror_ubuntu-hirsute-kernel.git / commitdiff