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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/asm-generic/checksum.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/checksum.h')
-rw-r--r--ANDROID_3.4.5/include/asm-generic/checksum.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/checksum.h b/ANDROID_3.4.5/include/asm-generic/checksum.h
deleted file mode 100644
index c084767c..00000000
--- a/ANDROID_3.4.5/include/asm-generic/checksum.h
+++ /dev/null
@@ -1,83 +0,0 @@
-#ifndef __ASM_GENERIC_CHECKSUM_H
-#define __ASM_GENERIC_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
- */
-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
- */
-extern __wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum);
-
-/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- */
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *csum_err);
-
-#ifndef csum_partial_copy_nocheck
-#define csum_partial_copy_nocheck(src, dst, len, sum) \
- csum_partial_copy((src), (dst), (len), (sum))
-#endif
-
-/*
- * This is a version of ip_compute_csum() optimized for IP headers,
- * which always checksum on 4 octet boundaries.
- */
-extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
-
-/*
- * Fold a partial checksum
- */
-static inline __sum16 csum_fold(__wsum csum)
-{
- u32 sum = (__force u32)csum;
- sum = (sum & 0xffff) + (sum >> 16);
- sum = (sum & 0xffff) + (sum >> 16);
- return (__force __sum16)~sum;
-}
-
-#ifndef csum_tcpudp_nofold
-/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 16-bit checksum, already complemented
- */
-extern __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
- unsigned short proto, __wsum sum);
-#endif
-
-#ifndef csum_tcpudp_magic
-static inline __sum16
-csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
- unsigned short proto, __wsum sum)
-{
- return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
-}
-#endif
-
-/*
- * this routine is used for miscellaneous IP-like checksums, mainly
- * in icmp.c
- */
-extern __sum16 ip_compute_csum(const void *buff, int len);
-
-#endif /* __ASM_GENERIC_CHECKSUM_H */