/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c  */
__sum16 ip_compute_csum(const void *buff, int len)
/* this routine is used for miscellaneous IP-like checksums, mainly in icmp.c  */
__sum16 ip_compute_csum(const void *buff, int len)
{
	return (__force __sum16)~do_csum(buff, len);
}