29 					__wsum sum);
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)
83 static inline __sum16 csum_fold(__wsum sum)  in csum_fold()  argument
88 	__asm__("rlwinm %0,%1,16,0,31" : "=r" (tmp) : "r" (sum));  in csum_fold()
92 	return (__force __sum16)(~((__force u32)sum + tmp) >> 16);  in csum_fold()
107                                      __wsum sum)  in csum_tcpudp_nofold()  argument
110 	unsigned long s = (__force u32)sum;  in csum_tcpudp_nofold()
124 	: "=r" (sum)  in csum_tcpudp_nofold()
125 	: "r" (daddr), "r"(saddr), "r"(proto + len), "0"(sum));  in csum_tcpudp_nofold()
126 	return sum;  in csum_tcpudp_nofold()