20 asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum);
31 					    int len, __wsum sum,
42 					       int len, __wsum sum)  in csum_partial_copy_nocheck()  argument
44 	return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);  in csum_partial_copy_nocheck()
49 						 int len, __wsum sum,  in csum_partial_copy_from_user()  argument
57 					len, sum, err_ptr, NULL);  in csum_partial_copy_from_user()
72 	unsigned int sum;  in ip_fast_csum()  local
94 		     : "=r" (sum), "=r" (iph), "=r" (ihl)  in ip_fast_csum()
97 	return (__force __sum16)sum;  in ip_fast_csum()
104 static inline __sum16 csum_fold(__wsum sum)  in csum_fold()  argument
108 	    : "=r" (sum)  in csum_fold()
109 	    : "r" ((__force u32)sum << 16),  in csum_fold()
110 	      "0" ((__force u32)sum & 0xffff0000));  in csum_fold()
111 	return (__force __sum16)(~(__force u32)sum >> 16);  in csum_fold()
117 					__wsum sum)  in csum_tcpudp_nofold()  argument
123 	    : "=r" (sum)  in csum_tcpudp_nofold()
125 	      "g" ((len + proto) << 8), "0" (sum));  in csum_tcpudp_nofold()
126 	return sum;  in csum_tcpudp_nofold()
136 					__wsum sum)  in csum_tcpudp_magic()  argument
138 	return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));  in csum_tcpudp_magic()
155 				      __wsum sum)  in csum_ipv6_magic()  argument
168 	    : "=&r" (sum)  in csum_ipv6_magic()
170 	      "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)  in csum_ipv6_magic()
173 	return csum_fold(sum);  in csum_ipv6_magic()
182 					   int len, __wsum sum,  in csum_and_copy_to_user()  argument
191 						len, sum, NULL, err_ptr);  in csum_and_copy_to_user()