diff options
Diffstat (limited to 'include/asm-frv/checksum.h')
| -rw-r--r-- | include/asm-frv/checksum.h | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/include/asm-frv/checksum.h b/include/asm-frv/checksum.h index 42bf0db..9b16898 100644 --- a/include/asm-frv/checksum.h +++ b/include/asm-frv/checksum.h @@ -26,7 +26,7 @@ * * 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 @@ -35,7 +35,7 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum); +__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); /* * the same as csum_partial_copy, but copies from user space. @@ -43,11 +43,8 @@ unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum); * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -extern unsigned int csum_partial_copy_from_user(const char __user *src, char *dst, - int len, int sum, int *csum_err); - -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy((src), (dst), (len), (sum)) +extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *csum_err); /* * This is a version of ip_compute_csum() optimized for IP headers, @@ -55,7 +52,7 @@ extern unsigned int csum_partial_copy_from_user(const char __user *src, char *ds * */ static inline -unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) +__sum16 ip_fast_csum(const void *iph, unsigned int ihl) { unsigned int tmp, inc, sum = 0; @@ -81,13 +78,13 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) : "icc0", "icc1" ); - 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; @@ -100,16 +97,16 @@ static inline unsigned int csum_fold(unsigned int sum) : "0"(sum) ); - return ~sum; + return (__force __sum16)~sum; } /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ -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(" addcc %1,%0,%0,icc0 \n" " addxcc %2,%0,%0,icc0 \n" @@ -122,9 +119,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, return sum; } -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)); } @@ -133,12 +130,12 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, * this routine is used for miscellaneous IP-like checksums, mainly * in icmp.c */ -extern unsigned short ip_compute_csum(const unsigned char * buff, int len); +extern __sum16 ip_compute_csum(const void *buff, int len); #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) { unsigned long tmp, tmp2; @@ -177,7 +174,7 @@ csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, : "icc0" ); - return ~sum; + return (__force __sum16)~sum; } #endif /* _ASM_CHECKSUM_H */ |
