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linux
linux-davinci
Commits
b482ad5d
Commit
b482ad5d
authored
Dec 07, 2006
by
Paul Mundt
Browse files
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Plain Diff
sh: Shut up csum_ipv6_magic() warnings.
Signed-off-by:
Paul Mundt
<
lethal@linux-sh.org
>
parent
b9b382da
Changes
1
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Showing
1 changed file
with
34 additions
and
35 deletions
+34
-35
include/asm-sh/checksum.h
include/asm-sh/checksum.h
+34
-35
No files found.
include/asm-sh/checksum.h
View file @
b482ad5d
...
...
@@ -34,25 +34,26 @@ asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum);
*/
asmlinkage
__wsum
csum_partial_copy_generic
(
const
void
*
src
,
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
);
/*
* 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
* 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__
static
inline
__wsum
csum_partial_copy_nocheck
(
const
void
*
src
,
void
*
dst
,
int
len
,
__wsum
sum
)
int
len
,
__wsum
sum
)
{
return
csum_partial_copy_generic
(
src
,
dst
,
len
,
sum
,
NULL
,
NULL
);
return
csum_partial_copy_generic
(
src
,
dst
,
len
,
sum
,
NULL
,
NULL
);
}
static
__inline__
static
inline
__wsum
csum_partial_copy_from_user
(
const
void
__user
*
src
,
void
*
dst
,
int
len
,
__wsum
sum
,
int
*
err_ptr
)
int
len
,
__wsum
sum
,
int
*
err_ptr
)
{
return
csum_partial_copy_generic
((
__force
const
void
*
)
src
,
dst
,
len
,
sum
,
err_ptr
,
NULL
);
...
...
@@ -62,7 +63,7 @@ __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
* Fold a partial checksum
*/
static
__inline__
__sum16
csum_fold
(
__wsum
sum
)
static
inline
__sum16
csum_fold
(
__wsum
sum
)
{
unsigned
int
__dummy
;
__asm__
(
"swap.w %0, %1
\n\t
"
...
...
@@ -85,7 +86,7 @@ static __inline__ __sum16 csum_fold(__wsum sum)
* i386 version by Jorge Cwik <jorge@laser.satlink.net>, adapted
* for linux by * Arnt Gulbrandsen.
*/
static
__inline__
__sum16
ip_fast_csum
(
const
void
*
iph
,
unsigned
int
ihl
)
static
inline
__sum16
ip_fast_csum
(
const
void
*
iph
,
unsigned
int
ihl
)
{
unsigned
int
sum
,
__dummy0
,
__dummy1
;
...
...
@@ -113,10 +114,10 @@ static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
return
csum_fold
(
sum
);
}
static
__inline__
__wsum
csum_tcpudp_nofold
(
__be32
saddr
,
__be32
daddr
,
unsigned
short
len
,
unsigned
short
proto
,
__wsum
sum
)
static
inline
__wsum
csum_tcpudp_nofold
(
__be32
saddr
,
__be32
daddr
,
unsigned
short
len
,
unsigned
short
proto
,
__wsum
sum
)
{
#ifdef __LITTLE_ENDIAN__
unsigned
long
len_proto
=
(
proto
+
len
)
<<
8
;
...
...
@@ -132,6 +133,7 @@ static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
:
"=r"
(
sum
),
"=r"
(
len_proto
)
:
"r"
(
daddr
),
"r"
(
saddr
),
"1"
(
len_proto
),
"0"
(
sum
)
:
"t"
);
return
sum
;
}
...
...
@@ -139,30 +141,28 @@ static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
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
));
}
/*
* this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c
*/
static
__inline__
__sum16
ip_compute_csum
(
const
void
*
buff
,
int
len
)
static
inline
__sum16
ip_compute_csum
(
const
void
*
buff
,
int
len
)
{
return
csum_fold
(
csum_partial
(
buff
,
len
,
0
));
return
csum_fold
(
csum_partial
(
buff
,
len
,
0
));
}
#define _HAVE_ARCH_IPV6_CSUM
#ifdef CONFIG_IPV6
static
__inline__
__sum16
csum_ipv6_magic
(
const
struct
in6_addr
*
saddr
,
const
struct
in6_addr
*
daddr
,
__u32
len
,
unsigned
short
proto
,
__wsum
sum
)
static
inline
__sum16
csum_ipv6_magic
(
const
struct
in6_addr
*
saddr
,
const
struct
in6_addr
*
daddr
,
__u32
len
,
unsigned
short
proto
,
__wsum
sum
)
{
unsigned
int
__dummy
;
__asm__
(
"clrt
\n\t
"
...
...
@@ -187,22 +187,21 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
"movt %1
\n\t
"
"add %1, %0
\n
"
:
"=r"
(
sum
),
"=&r"
(
__dummy
)
:
"r"
(
saddr
),
"r"
(
daddr
),
:
"r"
(
saddr
),
"r"
(
daddr
),
"r"
(
htonl
(
len
)),
"r"
(
htonl
(
proto
)),
"0"
(
sum
)
:
"t"
);
return
csum_fold
(
sum
);
}
#endif
/*
/*
* Copy and checksum to user
*/
#define HAVE_CSUM_COPY_USER
static
__inline__
__wsum
csum_and_copy_to_user
(
const
void
*
src
,
void
__user
*
dst
,
int
len
,
__wsum
sum
,
int
*
err_ptr
)
static
inline
__wsum
csum_and_copy_to_user
(
const
void
*
src
,
void
__user
*
dst
,
int
len
,
__wsum
sum
,
int
*
err_ptr
)
{
if
(
access_ok
(
VERIFY_WRITE
,
dst
,
len
))
return
csum_partial_copy_generic
((
__force
const
void
*
)
src
,
...
...
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