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sh: Shut up csum_ipv6_magic() warnings.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2006-12-07 12:43:52 +09:00
parent b9b382dabb
commit b482ad5dae
1 changed files with 34 additions and 35 deletions
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69
include/asm-sh/checksum.h
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@ -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, 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 * Note: when you get a NULL pointer exception here this means someone
* passed in an incorrect kernel address to one of these functions. * passed in an incorrect kernel address to one of these functions.
* *
* If you use these functions directly please don't forget the * If you use these functions directly please don't forget the
* access_ok(). * access_ok().
*/ */
static __inline__ static inline
__wsum csum_partial_copy_nocheck(const void *src, void *dst, __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, __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, return csum_partial_copy_generic((__force const void *)src, dst,
len, sum, err_ptr, NULL); 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 * Fold a partial checksum
*/ */
static __inline__ __sum16 csum_fold(__wsum sum) static inline __sum16 csum_fold(__wsum sum)
{ {
unsigned int __dummy; unsigned int __dummy;
__asm__("swap.w %0, %1\n\t" __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 * i386 version by Jorge Cwik <jorge@laser.satlink.net>, adapted
* for linux by * Arnt Gulbrandsen. * 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; 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); return csum_fold(sum);
} }
static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len, unsigned short len,
unsigned short proto, unsigned short proto,
__wsum sum) __wsum sum)
{ {
#ifdef __LITTLE_ENDIAN__ #ifdef __LITTLE_ENDIAN__
unsigned long len_proto = (proto + len) << 8; 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" (sum), "=r" (len_proto)
: "r" (daddr), "r" (saddr), "1" (len_proto), "0" (sum) : "r" (daddr), "r" (saddr), "1" (len_proto), "0" (sum)
: "t"); : "t");
return sum; 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 * computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented * returns a 16-bit checksum, already complemented
*/ */
static __inline__ __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len, unsigned short len,
unsigned short proto, unsigned short proto,
__wsum sum) __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 * this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c * 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 #define _HAVE_ARCH_IPV6_CSUM
#ifdef CONFIG_IPV6 static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
const struct in6_addr *daddr, __u32 len, unsigned short proto,
__u32 len, unsigned short proto, __wsum sum)
__wsum sum)
{ {
unsigned int __dummy; unsigned int __dummy;
__asm__("clrt\n\t" __asm__("clrt\n\t"
@ -187,22 +187,21 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
"movt %1\n\t" "movt %1\n\t"
"add %1, %0\n" "add %1, %0\n"
: "=r" (sum), "=&r" (__dummy) : "=r" (sum), "=&r" (__dummy)
: "r" (saddr), "r" (daddr), : "r" (saddr), "r" (daddr),
"r" (htonl(len)), "r" (htonl(proto)), "0" (sum) "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)
: "t"); : "t");
return csum_fold(sum); return csum_fold(sum);
} }
#endif
/* /*
* Copy and checksum to user * Copy and checksum to user
*/ */
#define HAVE_CSUM_COPY_USER #define HAVE_CSUM_COPY_USER
static __inline__ __wsum csum_and_copy_to_user (const void *src, static inline __wsum csum_and_copy_to_user(const void *src,
void __user *dst, void __user *dst,
int len, __wsum sum, int len, __wsum sum,
int *err_ptr) int *err_ptr)
{ {
if (access_ok(VERIFY_WRITE, dst, len)) if (access_ok(VERIFY_WRITE, dst, len))
return csum_partial_copy_generic((__force const void *)src, return csum_partial_copy_generic((__force const void *)src,