4301785c7c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
20 lines
361 B
C
20 lines
361 B
C
/*
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* Licensed under the GPL
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*/
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#ifndef __UM_SYSDEP_CHECKSUM_H
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#define __UM_SYSDEP_CHECKSUM_H
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static inline unsigned add32_with_carry(unsigned a, unsigned b)
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{
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asm("addl %2,%0\n\t"
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"adcl $0,%0"
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: "=r" (a)
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: "0" (a), "r" (b));
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return a;
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}
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extern __sum16 ip_compute_csum(const void *buff, int len);
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#endif
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