checksum_64.h

 1/*
 2 * Licensed under the GPL
 3 */
 4
 5#ifndef __UM_SYSDEP_CHECKSUM_H
 6#define __UM_SYSDEP_CHECKSUM_H
 7
 8static inline unsigned add32_with_carry(unsigned a, unsigned b)
 9{
10        asm("addl %2,%0\n\t"
11            "adcl $0,%0"
12            : "=r" (a)
13            : "0" (a), "r" (b));
14        return a;
15}
16
17extern __sum16 ip_compute_csum(const void *buff, int len);
18
19#endif