of the assembly has to go. */
#include <net/checksum.h>
-#include <asm/checksum.h>
#include <linux/module.h>
static inline unsigned short from32to16(unsigned long x)
*
* 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)
{
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);
* 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);
}
EXPORT_SYMBOL(ip_compute_csum);
/*
* copy from fs while checksumming, otherwise like csum_partial
*/
-unsigned int
-csum_partial_copy_from_user(const char __user *src, char *dst,
- int len, int sum, int *csum_err)
+__wsum
+csum_partial_copy_from_user(const void __user *src, void *dst,
+ int len, __wsum sum, int *csum_err)
{
int rem;
/*
* copy from ds while checksumming, otherwise like csum_partial
*/
-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)
{
memcpy(dst, src, len);
return csum_partial(dst, len, sum);
}
-EXPORT_SYMBOL(csum_partial_copy);
+EXPORT_SYMBOL(csum_partial_copy_nocheck);