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Diffstat (limited to 'arch/powerpc/include/asm/checksum.h')
-rw-r--r--arch/powerpc/include/asm/checksum.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h
index 7cdf358337c..8251a3ba870 100644
--- a/arch/powerpc/include/asm/checksum.h
+++ b/arch/powerpc/include/asm/checksum.h
@@ -14,6 +14,9 @@
* which always checksum on 4 octet boundaries. ihl is the number
* of 32-bit words and is always >= 5.
*/
+#ifdef CONFIG_GENERIC_CSUM
+#include <asm-generic/checksum.h>
+#else
extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
/*
@@ -52,12 +55,22 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
extern __wsum csum_partial_copy_generic(const void *src, void *dst,
int len, __wsum sum,
int *src_err, int *dst_err);
+
+#ifdef __powerpc64__
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+extern __wsum csum_and_copy_from_user(const void __user *src, void *dst,
+ int len, __wsum sum, int *err_ptr);
+#define HAVE_CSUM_COPY_USER
+extern __wsum csum_and_copy_to_user(const void *src, void __user *dst,
+ int len, __wsum sum, int *err_ptr);
+#else
/*
* the same as csum_partial, but copies from src to dst while it
* checksums.
*/
#define csum_partial_copy_from_user(src, dst, len, sum, errp) \
csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL)
+#endif
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
@@ -113,5 +126,7 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
return sum;
#endif
}
+
+#endif
#endif /* __KERNEL__ */
#endif