22 __wsum csum_partial(const void *buff, int len, __wsum sum);
34 						int len, __wsum sum,
39 					      __wsum sum);
47 	unsigned int sum = 0;  in ip_fast_csum()  local
60 		 : "=d" (sum), "=&a" (iph), "=&d" (ihl), "=&d" (tmp)  in ip_fast_csum()
61 		 : "0" (sum), "1" (iph), "2" (ihl)  in ip_fast_csum()
63 	return (__force __sum16)~sum;  in ip_fast_csum()
66 static inline __sum16 csum_fold(__wsum sum)  in csum_fold()  argument
68 	unsigned int tmp = (__force u32)sum;  in csum_fold()
74 		: "=&d" (sum), "=&d" (tmp)  in csum_fold()
75 		: "0" (sum), "1" (tmp));  in csum_fold()
77 	return (__force __sum16)~sum;  in csum_fold()
82 		  unsigned short proto, __wsum sum)  in csum_tcpudp_nofold()  argument
89 		 : "=&d" (sum), "=d" (saddr)  in csum_tcpudp_nofold()
91 		   "0" (sum));  in csum_tcpudp_nofold()
92 	return sum;  in csum_tcpudp_nofold()
102 		  unsigned short proto, __wsum sum)  in csum_tcpudp_magic()  argument
104 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));  in csum_tcpudp_magic()
120 		__u32 len, unsigned short proto, __wsum sum)  in csum_ipv6_magic()  argument
141 		: "=&d" (sum), "=&d" (tmp)  in csum_ipv6_magic()
143 		  "0" (sum));  in csum_ipv6_magic()
145 	return csum_fold(sum);  in csum_ipv6_magic()