#ifndef _CRIS_ARCH_CHECKSUM_H#define _CRIS_ARCH_CHECKSUM_H/* Checksum some values used in TCP/UDP headers. * * The gain by doing this in asm is that C will not generate carry-additions * for the 32-bit components of the checksum, so otherwise we would have had * to split all of those into 16-bit components, then add. */extern inline unsigned intcsum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len,		   unsigned short proto, unsigned int sum){	int res;	__asm__ ("add.d %2, %0\n\t"		 "ax\n\t"		 "add.d %3, %0\n\t"		 "ax\n\t"		 "add.d %4, %0\n\t"		 "ax\n\t"		 "addq 0, %0\n"	: "=r" (res)	: "0" (sum), "r" (daddr), "r" (saddr), "r" ((ntohs(len) << 16) + (proto << 8)));	return res;}	#endif