39 	__wsum sum = csum_partial(src, len, ~0U);  in csum_and_copy_to_user()  local
42 		return sum;  in csum_and_copy_to_user()
84 static __always_inline __wsum csum_shift(__wsum sum, int offset)  in csum_shift()  argument
86 	/* rotate sum to align it with a 16b boundary */  in csum_shift()
88 		return (__force __wsum)ror32((__force u32)sum, 8);  in csum_shift()
89 	return sum;  in csum_shift()
117 __wsum csum_partial_ext(const void *buff, int len, __wsum sum)  in csum_partial_ext()  argument
119 	return csum_partial(buff, len, sum);  in csum_partial_ext()
124 static __always_inline void csum_replace_by_diff(__sum16 *sum, __wsum diff)  in csum_replace_by_diff()  argument
126 	*sum = csum_fold(csum_add(diff, ~csum_unfold(*sum)));  in csum_replace_by_diff()
129 static __always_inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)  in csum_replace4()  argument
131 	__wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from);  in csum_replace4()
133 	*sum = csum_fold(csum_add(tmp, (__force __wsum)to));  in csum_replace4()
142 static __always_inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)  in csum_replace2()  argument
144 	*sum = ~csum16_add(csum16_sub(~(*sum), old), new);  in csum_replace2()
153 void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
155 void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
158 void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb,
162 void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,  in inet_proto_csum_replace2()  argument
165 	inet_proto_csum_replace4(sum, skb, (__force __be32)from,  in inet_proto_csum_replace2()