39 	__wsum sum = csum_partial(src, len, ~0U);  in csum_and_copy_to_user()  local
42 		return sum;  in csum_and_copy_to_user()
86 	u32 sum = (__force u32)csum2;  in csum_block_add()  local
88 	/* rotate sum to align it with a 16b boundary */  in csum_block_add()
90 		sum = ror32(sum, 8);  in csum_block_add()
92 	return csum_add(csum, (__force __wsum)sum);  in csum_block_add()
113 __wsum csum_partial_ext(const void *buff, int len, __wsum sum)  in csum_partial_ext()  argument
115 	return csum_partial(buff, len, sum);  in csum_partial_ext()
120 static __always_inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)  in csum_replace_by_diff()  argument
122 	*sum = csum_fold(csum_add(diff, ~csum_unfold(*sum)));  in csum_replace_by_diff()
125 static __always_inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)  in csum_replace4()  argument
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()
138 static __always_inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)  in csum_replace2()  argument
140 	*sum = ~csum16_add(csum16_sub(~(*sum), old), new);  in csum_replace2()
149 void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
151 void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
154 void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb,
158 void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,  in inet_proto_csum_replace2()  argument
161 	inet_proto_csum_replace4(sum, skb, (__force __be32)from,  in inet_proto_csum_replace2()