719 	new->csum		= old->csum;  in __copy_skb_header()
1949 			  int len, __wsum csum)  in skb_checksum()  argument
1960 		csum = csum_partial(skb->data + offset, copy, csum);  in skb_checksum()
1962 			return csum;  in skb_checksum()
1984 			csum = csum_block_add(csum, csum2, pos);  in skb_checksum()
1986 				return csum;  in skb_checksum()
2005 			csum = csum_block_add(csum, csum2, pos);  in skb_checksum()
2007 				return csum;  in skb_checksum()
2015 	return csum;  in skb_checksum()
2022 				    u8 *to, int len, __wsum csum)  in skb_copy_and_csum_bits()  argument
2033 		csum = csum_partial_copy_nocheck(skb->data + offset, to,  in skb_copy_and_csum_bits()
2034 						 copy, csum);  in skb_copy_and_csum_bits()
2036 			return csum;  in skb_copy_and_csum_bits()
2061 			csum = csum_block_add(csum, csum2, pos);  in skb_copy_and_csum_bits()
2063 				return csum;  in skb_copy_and_csum_bits()
2084 			csum = csum_block_add(csum, csum2, pos);  in skb_copy_and_csum_bits()
2086 				return csum;  in skb_copy_and_csum_bits()
2094 	return csum;  in skb_copy_and_csum_bits()
2100 	__wsum csum;  in skb_copy_and_csum_dev()  local
2112 	csum = 0;  in skb_copy_and_csum_dev()
2114 		csum = skb_copy_and_csum_bits(skb, csstart, to + csstart,  in skb_copy_and_csum_dev()
2120 		*((__sum16 *)(to + csstuff)) = csum_fold(csum);  in skb_copy_and_csum_dev()
2774 	bool csum;  in skb_segment()  local
2785 	csum = !!can_checksum_protocol(features, proto);  in skb_segment()
2864 			nskb->csum = skb_copy_and_csum_bits(skb, offset,  in skb_segment()
2924 		if (!csum) {  in skb_segment()
2925 			nskb->csum = skb_checksum(nskb, doffset,  in skb_segment()