30 __wsum csum_and_copy_from_user (const void __user *src, void *dst,  in csum_and_copy_from_user()
31 				      int len, __wsum sum, int *err_ptr)  in csum_and_copy_from_user()
44 static __inline__ __wsum csum_and_copy_to_user  in csum_and_copy_to_user()
45 (const void *src, void __user *dst, int len, __wsum sum, int *err_ptr)  in csum_and_copy_to_user()
56 	return (__force __wsum)-1; /* invalid checksum */  in csum_and_copy_to_user()
61 static inline __wsum csum_add(__wsum csum, __wsum addend)  in csum_add()
65 	return (__force __wsum)(res + (res < (__force u32)addend));  in csum_add()
69 static inline __wsum csum_sub(__wsum csum, __wsum addend)  in csum_sub()
87 static inline __wsum
88 csum_block_add(__wsum csum, __wsum csum2, int offset)  in csum_block_add()
96 	return csum_add(csum, (__force __wsum)sum);  in csum_block_add()
99 static inline __wsum
100 csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len)  in csum_block_add_ext()
105 static inline __wsum
106 csum_block_sub(__wsum csum, __wsum csum2, int offset)  in csum_block_sub()
111 static inline __wsum csum_unfold(__sum16 n)  in csum_unfold()
113 	return (__force __wsum)n;  in csum_unfold()
116 static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum)  in csum_partial_ext()
123 static inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)  in csum_replace_by_diff()
130 	__wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from);  in csum_replace4()
132 	*sum = csum_fold(csum_add(tmp, (__force __wsum)to));  in csum_replace4()
146 static inline void csum_replace(__wsum *csum, __wsum old, __wsum new)  in csum_replace()
158 				     __wsum diff, bool pseudohdr);
168 static inline __wsum remcsum_adjust(void *ptr, __wsum csum,  in remcsum_adjust()
172 	__wsum delta;  in remcsum_adjust()
178 	delta = csum_sub((__force __wsum)csum_fold(csum),  in remcsum_adjust()
179 			 (__force __wsum)*psum);  in remcsum_adjust()
185 static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)  in remcsum_unadjust()
187 	*psum = csum_fold(csum_sub(delta, (__force __wsum)*psum));  in remcsum_unadjust()