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 20