27 					unsigned short len,
43 extern __wsum csum_partial(const void *buff, int len, __wsum sum);
56 					      int len, __wsum sum,
62 				      int len, __wsum sum, int *err_ptr);
65 				    int len, __wsum sum, int *err_ptr);
71 #define csum_partial_copy_from_user(src, dst, len, sum, errp)   \  argument
72         csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL)
75 #define csum_partial_copy_nocheck(src, dst, len, sum)   \  argument
76         csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
99 static inline __sum16 ip_compute_csum(const void *buff, int len)  in ip_compute_csum()  argument
101 	return csum_fold(csum_partial(buff, len, 0));  in ip_compute_csum()
105                                      unsigned short len,  in csum_tcpudp_nofold()  argument
114 	s += proto + len;  in csum_tcpudp_nofold()
125 	: "r" (daddr), "r"(saddr), "r"(proto + len), "0"(sum));  in csum_tcpudp_nofold()