M7350/kernel/arch/x86/um/asm/checksum_64.h
2024-09-09 08:57:42 +00:00

20 lines
361 B
C

/*
* Licensed under the GPL
*/
#ifndef __UM_SYSDEP_CHECKSUM_H
#define __UM_SYSDEP_CHECKSUM_H
static inline unsigned add32_with_carry(unsigned a, unsigned b)
{
asm("addl %2,%0\n\t"
"adcl $0,%0"
: "=r" (a)
: "0" (a), "r" (b));
return a;
}
extern __sum16 ip_compute_csum(const void *buff, int len);
#endif