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include/asm-x86/checksum_64.h: checkpatch cleanups - formatting only

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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joe Perches
2008-03-23 01:01:50 -07:00
committed by Ingo Molnar
parent 0883e91ae2
commit 3d3c6e1003
1 changed files with 57 additions and 61 deletions
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78
include/asm-x86/checksum_64.h
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@@ -21,13 +21,11 @@
*/
static inline __sum16 csum_fold(__wsum sum)
{
__asm__(
" addl %1,%0\n"
" adcl $0xffff,%0"
: "=r" (sum)
: "r" ((__force u32)sum << 16),
"0" ((__force u32)sum & 0xffff0000)
);
asm(" addl %1,%0\n"
" adcl $0xffff,%0"
: "=r" (sum)
: "r" ((__force u32)sum << 16),
"0" ((__force u32)sum & 0xffff0000));
return (__force __sum16)(~(__force u32)sum >> 16);
}
@@ -48,29 +46,29 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
unsigned int sum;
asm( " movl (%1), %0\n"
" subl $4, %2\n"
" jbe 2f\n"
" addl 4(%1), %0\n"
" adcl 8(%1), %0\n"
" adcl 12(%1), %0\n"
"1: adcl 16(%1), %0\n"
" lea 4(%1), %1\n"
" decl %2\n"
" jne 1b\n"
" adcl $0, %0\n"
" movl %0, %2\n"
" shrl $16, %0\n"
" addw %w2, %w0\n"
" adcl $0, %0\n"
" notl %0\n"
"2:"
asm(" movl (%1), %0\n"
" subl $4, %2\n"
" jbe 2f\n"
" addl 4(%1), %0\n"
" adcl 8(%1), %0\n"
" adcl 12(%1), %0\n"
"1: adcl 16(%1), %0\n"
" lea 4(%1), %1\n"
" decl %2\n"
" jne 1b\n"
" adcl $0, %0\n"
" movl %0, %2\n"
" shrl $16, %0\n"
" addw %w2, %w0\n"
" adcl $0, %0\n"
" notl %0\n"
"2:"
/* Since the input registers which are loaded with iph and ihl
are modified, we must also specify them as outputs, or gcc
will assume they contain their original values. */
: "=r" (sum), "=r" (iph), "=r" (ihl)
: "1" (iph), "2" (ihl)
: "memory");
: "=r" (sum), "=r" (iph), "=r" (ihl)
: "1" (iph), "2" (ihl)
: "memory");
return (__force __sum16)sum;
}
@@ -93,10 +91,10 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
" adcl %2, %0\n"
" adcl %3, %0\n"
" adcl $0, %0\n"
: "=r" (sum)
: "=r" (sum)
: "g" (daddr), "g" (saddr),
"g" ((len + proto)<<8), "0" (sum));
return sum;
return sum;
}
@@ -111,11 +109,11 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
* Returns the 16bit pseudo header checksum the input data already
* complemented and ready to be filled in.
*/
static inline __sum16
csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len, unsigned short proto, __wsum sum)
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));
return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
}
/**
@@ -136,17 +134,16 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
/* Do not call this directly. Use the wrappers below */
extern __wsum csum_partial_copy_generic(const void *src, const void *dst,
int len,
__wsum sum,
int *src_err_ptr, int *dst_err_ptr);
int len, __wsum sum,
int *src_err_ptr, int *dst_err_ptr);
extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
int len, __wsum isum, int *errp);
int len, __wsum isum, int *errp);
extern __wsum csum_partial_copy_to_user(const void *src, void __user *dst,
int len, __wsum isum, int *errp);
extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len,
__wsum sum);
int len, __wsum isum, int *errp);
extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
int len, __wsum sum);
/* Old names. To be removed. */
#define csum_and_copy_to_user csum_partial_copy_to_user
@@ -192,4 +189,3 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
}
#endif