diff options
| -rw-r--r-- | arch/v850/kernel/v850_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/v850/lib/checksum.c | 26 | ||||
| -rw-r--r-- | include/asm-v850/checksum.h | 38 |
3 files changed, 31 insertions, 35 deletions
diff --git a/arch/v850/kernel/v850_ksyms.c b/arch/v850/kernel/v850_ksyms.c index 67bc48e57c60..93575fdc874d 100644 --- a/arch/v850/kernel/v850_ksyms.c +++ b/arch/v850/kernel/v850_ksyms.c @@ -24,7 +24,7 @@ EXPORT_SYMBOL (kernel_thread); EXPORT_SYMBOL (__bug); /* Networking helper routines. */ -EXPORT_SYMBOL (csum_partial_copy); +EXPORT_SYMBOL (csum_partial_copy_nocheck); EXPORT_SYMBOL (csum_partial_copy_from_user); EXPORT_SYMBOL (ip_compute_csum); EXPORT_SYMBOL (ip_fast_csum); diff --git a/arch/v850/lib/checksum.c b/arch/v850/lib/checksum.c index fa5872633075..042158dfe17a 100644 --- a/arch/v850/lib/checksum.c +++ b/arch/v850/lib/checksum.c @@ -88,32 +88,32 @@ out: * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. */ -unsigned short ip_fast_csum(unsigned char * iph, unsigned int ihl) +__sum16 ip_fast_csum(const void *iph, unsigned int ihl) { - return ~do_csum(iph,ihl*4); + return (__force __sum16)~do_csum(iph,ihl*4); } /* * this routine is used for miscellaneous IP-like checksums, mainly * in icmp.c */ -unsigned short ip_compute_csum(const unsigned char * buff, int len) +__sum16 ip_compute_csum(const void *buff, int len) { - return ~do_csum(buff,len); + return (__force __sum16)~do_csum(buff,len); } /* * computes a partial checksum, e.g. for TCP/UDP fragments */ -unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum) +__wsum csum_partial(const void *buff, int len, __wsum sum) { unsigned int result = do_csum(buff, len); /* add in old sum, and carry.. */ - result += sum; - if(sum > result) + result += (__force u32)sum; + if ((__force u32)sum > result) result += 1; - return result; + return (__force __wsum)result; } EXPORT_SYMBOL(csum_partial); @@ -121,8 +121,8 @@ EXPORT_SYMBOL(csum_partial); /* * copy while checksumming, otherwise like csum_partial */ -unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, - int len, unsigned int sum) +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum) { /* * It's 2:30 am and I don't feel like doing it real ... @@ -138,9 +138,9 @@ unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, * Copy from userspace and compute checksum. If we catch an exception * then zero the rest of the buffer. */ -unsigned int csum_partial_copy_from_user (const unsigned char *src, - unsigned char *dst, - int len, unsigned int sum, +__wsum csum_partial_copy_from_user (const void *src, + void *dst, + int len, __wsum sum, int *err_ptr) { int missing; diff --git a/include/asm-v850/checksum.h b/include/asm-v850/checksum.h index 4df5e71098f9..d1dddd938262 100644 --- a/include/asm-v850/checksum.h +++ b/include/asm-v850/checksum.h @@ -26,8 +26,7 @@ * * it's best to have buff aligned on a 32-bit boundary */ -extern unsigned int csum_partial (const unsigned char * buff, int len, - unsigned int sum); +extern __wsum csum_partial(const void *buff, int len, __wsum sum); /* * the same as csum_partial, but copies from src while it @@ -36,8 +35,8 @@ extern unsigned int csum_partial (const unsigned char * buff, int len, * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -extern unsigned csum_partial_copy (const unsigned char *src, - unsigned char *dst, int len, unsigned sum); +extern __wsum csum_partial_copy_nocheck(const void *src, + void *dst, int len, __wsum sum); /* @@ -46,20 +45,17 @@ extern unsigned csum_partial_copy (const unsigned char *src, * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -extern unsigned csum_partial_copy_from_user (const unsigned char *src, - unsigned char *dst, - int len, unsigned sum, +extern __wsum csum_partial_copy_from_user (const void *src, + void *dst, + int len, __wsum sum, int *csum_err); -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy ((src), (dst), (len), (sum)) - -unsigned short ip_fast_csum (unsigned char *iph, unsigned int ihl); +__sum16 ip_fast_csum(const void *iph, unsigned int ihl); /* * Fold a partial checksum */ -static inline unsigned int csum_fold (unsigned long sum) +static inline __sum16 csum_fold (__wsum sum) { unsigned int result; /* @@ -68,7 +64,7 @@ static inline unsigned int csum_fold (unsigned long sum) add %1, %0 H L H+L+C H+L */ asm ("hsw %1, %0; add %1, %0" : "=&r" (result) : "r" (sum)); - return (~result) >> 16; + return (__force __sum16)(~result >> 16); } @@ -76,10 +72,10 @@ static inline unsigned int csum_fold (unsigned long 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, +static inline __wsum +csum_tcpudp_nofold (__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, unsigned int sum) + unsigned short proto, __wsum sum) { int __carry; __asm__ ("add %2, %0;" @@ -93,15 +89,15 @@ csum_tcpudp_nofold (unsigned long saddr, unsigned long daddr, "add %1, %0" : "=&r" (sum), "=&r" (__carry) : "r" (daddr), "r" (saddr), - "r" (ntohs (len) + (proto << 8)), + "r" ((len + proto) << 8), "0" (sum)); return sum; } -static inline unsigned short int -csum_tcpudp_magic (unsigned long saddr, unsigned long daddr, +static inline __sum16 +csum_tcpudp_magic (__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, unsigned int sum) + unsigned short proto, __wsum sum) { return csum_fold (csum_tcpudp_nofold (saddr, daddr, len, proto, sum)); } @@ -110,7 +106,7 @@ csum_tcpudp_magic (unsigned long saddr, unsigned long daddr, * 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); #endif /* __V850_CHECKSUM_H__ */ |