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 : "" (a), "r" (b));
14 return a;
15 }
16
17 extern __sum16 ip_compute_csum(const void *buff, int len);
18
19 #endif
20
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