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()
115 					unsigned short len,  in csum_tcpudp_nofold()  argument
125 	      "g" ((len + proto) << 8), "0" (sum));  in csum_tcpudp_nofold()
134 					unsigned short len,  in csum_tcpudp_magic()  argument
138 	return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));  in csum_tcpudp_magic()
146 static inline __sum16 ip_compute_csum(const void *buff, int len)  in ip_compute_csum()  argument
148     return csum_fold(csum_partial(buff, len, 0));  in ip_compute_csum()
154 				      __u32 len, unsigned short proto,  in csum_ipv6_magic()  argument
170 	      "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)  in csum_ipv6_magic()
182 					   int len, __wsum sum,  in csum_and_copy_to_user()  argument
188 	if (access_ok(VERIFY_WRITE, dst, len)) {  in csum_and_copy_to_user()
191 						len, sum, NULL, err_ptr);  in csum_and_copy_to_user()
196 	if (len)  in csum_and_copy_to_user()