57 static __always_inline __wsum csum_add(__wsum csum, __wsum addend)  in csum_add()  argument
59 	u32 res = (__force u32)csum;  in csum_add()
65 static __always_inline __wsum csum_sub(__wsum csum, __wsum addend)  in csum_sub()  argument
67 	return csum_add(csum, ~addend);  in csum_sub()
70 static __always_inline __sum16 csum16_add(__sum16 csum, __be16 addend)  in csum16_add()  argument
72 	u16 res = (__force u16)csum;  in csum16_add()
78 static __always_inline __sum16 csum16_sub(__sum16 csum, __be16 addend)  in csum16_sub()  argument
80 	return csum16_add(csum, ~addend);  in csum16_sub()
94 csum_block_add(__wsum csum, __wsum csum2, int offset)  in csum_block_add()  argument
96 	return csum_add(csum, csum_shift(csum2, offset));  in csum_block_add()
100 csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len)  in csum_block_add_ext()  argument
102 	return csum_block_add(csum, csum2, offset);  in csum_block_add_ext()
106 csum_block_sub(__wsum csum, __wsum csum2, int offset)  in csum_block_sub()  argument
108 	return csum_block_add(csum, ~csum2, offset);  in csum_block_sub()
147 static inline void csum_replace(__wsum *csum, __wsum old, __wsum new)  in csum_replace()  argument
149 	*csum = csum_add(csum_sub(*csum, old), new);  in csum_replace()
169 static __always_inline __wsum remcsum_adjust(void *ptr, __wsum csum,  in remcsum_adjust()  argument
176 	csum = csum_sub(csum, csum_partial(ptr, start, 0));  in remcsum_adjust()
179 	delta = csum_sub((__force __wsum)csum_fold(csum),  in remcsum_adjust()
181 	*psum = csum_fold(csum);  in remcsum_adjust()