diff options
Diffstat (limited to 'include/asm-m68k/checksum.h')
| -rw-r--r-- | include/asm-m68k/checksum.h | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/include/asm-m68k/checksum.h b/include/asm-m68k/checksum.h index 17280ef719f5..494f9aec37ea 100644 --- a/include/asm-m68k/checksum.h +++ b/include/asm-m68k/checksum.h @@ -15,7 +15,7 @@ * * it's best to have buff aligned on a 32-bit boundary */ -unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); +__wsum csum_partial(const void *buff, int len, __wsum sum); /* * the same as csum_partial, but copies from src while it @@ -25,22 +25,21 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) * better 64-bit) boundary */ -extern unsigned int csum_partial_copy_from_user(const unsigned char __user *src, - unsigned char *dst, - int len, int sum, +extern __wsum csum_partial_copy_from_user(const void __user *src, + void *dst, + int len, __wsum sum, int *csum_err); -extern unsigned int csum_partial_copy_nocheck(const unsigned char *src, - unsigned char *dst, int len, - int sum); +extern __wsum csum_partial_copy_nocheck(const void *src, + void *dst, int len, + __wsum sum); /* * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. * */ -static inline unsigned short -ip_fast_csum(unsigned char *iph, unsigned int ihl) +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) { unsigned int sum = 0; unsigned long tmp; @@ -58,29 +57,29 @@ ip_fast_csum(unsigned char *iph, unsigned int ihl) : "=d" (sum), "=&a" (iph), "=&d" (ihl), "=&d" (tmp) : "0" (sum), "1" (iph), "2" (ihl) : "memory"); - return ~sum; + return (__force __sum16)~sum; } /* * Fold a partial checksum */ -static inline unsigned int csum_fold(unsigned int sum) +static inline __sum16 csum_fold(__wsum sum) { - unsigned int tmp = sum; + unsigned int tmp = (__force u32)sum; __asm__("swap %1\n\t" "addw %1, %0\n\t" "clrw %1\n\t" "addxw %1, %0" : "=&d" (sum), "=&d" (tmp) : "0" (sum), "1" (tmp)); - return ~sum; + return (__force __sum16)~sum; } -static inline unsigned int -csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, - unsigned short proto, unsigned int sum) +static inline __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) { __asm__ ("addl %2,%0\n\t" "addxl %3,%0\n\t" @@ -98,9 +97,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ -static inline unsigned short int -csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, - unsigned short proto, unsigned int 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)); } @@ -110,16 +109,15 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, * in icmp.c */ -static inline unsigned short -ip_compute_csum(unsigned char * buff, int len) +static inline __sum16 ip_compute_csum(const void *buff, int len) { return csum_fold (csum_partial(buff, len, 0)); } #define _HAVE_ARCH_IPV6_CSUM -static __inline__ unsigned short int -csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, - __u32 len, unsigned short proto, unsigned int sum) +static __inline__ __sum16 +csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, + __u32 len, unsigned short proto, __wsum sum) { register unsigned long tmp; __asm__("addl %2@,%0\n\t" |