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checksum_64.h
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1 /*
2  * Licensed under the GPL
3  */
4 
5 #ifndef __UM_SYSDEP_CHECKSUM_H
6 #define __UM_SYSDEP_CHECKSUM_H
7 
8 static 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 
17 extern __sum16 ip_compute_csum(const void *buff, int len);
18 
19 #endif