33 __wsum csum_partial(const void *buff, int len, __wsum sum);
83 	__sum16 sum;  in ip_fast_csum()  local
111 			     : "=r" (sum), "=&r" (iph)  in ip_fast_csum()
114 	return sum;  in ip_fast_csum()
118 static inline __sum16 csum_fold(__wsum sum)  in csum_fold()  argument
126 			     : "=&r" (sum), "=r" (tmp)  in csum_fold()
127 			     : "0" (sum), "1" ((__force u32)sum<<16)  in csum_fold()
129 	return (__force __sum16)sum;  in csum_fold()
134 					__wsum sum)  in csum_tcpudp_nofold()  argument
140 			     : "=r" (sum), "=r" (saddr)  in csum_tcpudp_nofold()
141 			     : "r" (daddr), "r" (proto + len), "0" (sum),  in csum_tcpudp_nofold()
144 	return sum;  in csum_tcpudp_nofold()
153 					__wsum sum)  in csum_tcpudp_magic()  argument
155 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));  in csum_tcpudp_magic()
162 				      __u32 len, __u8 proto, __wsum sum)  in csum_ipv6_magic()  argument
184 		: "=&r" (sum)  in csum_ipv6_magic()
186 		  "r"(htonl(len)), "r"(htonl(proto)), "r"(sum)  in csum_ipv6_magic()
189 	return csum_fold(sum);  in csum_ipv6_magic()