34 		void *dst, int len, __wsum sum, int *errp);
44 	unsigned int sum;  in ip_fast_csum()  local
67 	: "=r" (sum), "=r" (iph), "=r" (ihl)  in ip_fast_csum()
71 	return (__force __sum16)sum;  in ip_fast_csum()
79 	u32 sum = (__force u32)csum;  in csum_fold()  local
84 	sum += (sum << 16) + (sum >> 16);  in csum_fold()
85 	return (__force __sum16)(~sum >> 16);  in csum_fold()
90 					__wsum sum)  in csum_tcpudp_nofold()  argument
97 		: "=r" (sum)  in csum_tcpudp_nofold()
98 		: "r" (daddr), "r"(saddr), "r"(proto+len), "0"(sum));  in csum_tcpudp_nofold()
99 	return sum;  in csum_tcpudp_nofold()
108 					__wsum sum)  in csum_tcpudp_magic()  argument
110 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));  in csum_tcpudp_magic()
127 					  __wsum sum)  in csum_ipv6_magic()  argument
182 	: "=r" (sum), "=r" (saddr), "=r" (daddr), "=r" (len)  in csum_ipv6_magic()
183 	: "0" (sum), "1" (saddr), "2" (daddr), "3" (len), "r" (proto)  in csum_ipv6_magic()
185 	return csum_fold(sum);  in csum_ipv6_magic()
194 						      int len, __wsum sum,  in csum_and_copy_to_user()  argument
198 	sum = csum_partial(src, len, sum);  in csum_and_copy_to_user()
205 	return sum;  in csum_and_copy_to_user()