26 __wsum csum_and_copy_from_user (const void __user *src, void *dst,  in csum_and_copy_from_user()
36 static __always_inline __wsum csum_and_copy_to_user  in csum_and_copy_to_user()
39 	__wsum sum = csum_partial(src, len, ~0U);  in csum_and_copy_to_user()
48 static __always_inline __wsum
57 static __always_inline __wsum csum_add(__wsum csum, __wsum addend)  in csum_add()
61 	return (__force __wsum)(res + (res < (__force u32)addend));  in csum_add()
65 static __always_inline __wsum csum_sub(__wsum csum, __wsum addend)  in csum_sub()
83 static __always_inline __wsum
84 csum_block_add(__wsum csum, __wsum csum2, int offset)  in csum_block_add()
92 	return csum_add(csum, (__force __wsum)sum);  in csum_block_add()
95 static __always_inline __wsum
96 csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len)  in csum_block_add_ext()
101 static __always_inline __wsum
102 csum_block_sub(__wsum csum, __wsum csum2, int offset)  in csum_block_sub()
107 static __always_inline __wsum csum_unfold(__sum16 n)  in csum_unfold()
109 	return (__force __wsum)n;  in csum_unfold()
113 __wsum csum_partial_ext(const void *buff, int len, __wsum sum)  in csum_partial_ext()
120 static __always_inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)  in csum_replace_by_diff()
127 	__wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from);  in csum_replace4()
129 	*sum = csum_fold(csum_add(tmp, (__force __wsum)to));  in csum_replace4()
143 static inline void csum_replace(__wsum *csum, __wsum old, __wsum new)  in csum_replace()
155 				     __wsum diff, bool pseudohdr);
165 static __always_inline __wsum remcsum_adjust(void *ptr, __wsum csum,  in remcsum_adjust()
169 	__wsum delta;  in remcsum_adjust()
175 	delta = csum_sub((__force __wsum)csum_fold(csum),  in remcsum_adjust()
176 			 (__force __wsum)*psum);  in remcsum_adjust()
182 static __always_inline void remcsum_unadjust(__sum16 *psum, __wsum delta)  in remcsum_unadjust()
184 	*psum = csum_fold(csum_sub(delta, (__force __wsum)*psum));  in remcsum_unadjust()