20 asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum);
30 asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
31 					    int len, __wsum sum,
41 static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst,  in csum_partial_copy_nocheck()
42 					       int len, __wsum sum)  in csum_partial_copy_nocheck()
47 static inline __wsum csum_partial_copy_from_user(const void __user *src,  in csum_partial_copy_from_user()
49 						 int len, __wsum sum,  in csum_partial_copy_from_user()
52 	__wsum ret;  in csum_partial_copy_from_user()
104 static inline __sum16 csum_fold(__wsum sum)  in csum_fold()
114 static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,  in csum_tcpudp_nofold()
117 					__wsum sum)  in csum_tcpudp_nofold()
136 					__wsum sum)  in csum_tcpudp_magic()
155 				      __wsum sum)  in csum_ipv6_magic()
180 static inline __wsum csum_and_copy_to_user(const void *src,  in csum_and_copy_to_user()
182 					   int len, __wsum sum,  in csum_and_copy_to_user()
185 	__wsum ret;  in csum_and_copy_to_user()
199 	return (__force __wsum)-1; /* invalid checksum */  in csum_and_copy_to_user()