41 						     unsigned int csum)   in csum_ipv6_magic()  argument
48 	csum += saddr->s6_addr32[0];  in csum_ipv6_magic()
49 	carry = (csum < saddr->s6_addr32[0]);  in csum_ipv6_magic()
50 	csum += carry;  in csum_ipv6_magic()
52 	csum += saddr->s6_addr32[1];  in csum_ipv6_magic()
53 	carry = (csum < saddr->s6_addr32[1]);  in csum_ipv6_magic()
54 	csum += carry;  in csum_ipv6_magic()
56 	csum += saddr->s6_addr32[2];  in csum_ipv6_magic()
57 	carry = (csum < saddr->s6_addr32[2]);  in csum_ipv6_magic()
58 	csum += carry;  in csum_ipv6_magic()
60 	csum += saddr->s6_addr32[3];  in csum_ipv6_magic()
61 	carry = (csum < saddr->s6_addr32[3]);  in csum_ipv6_magic()
62 	csum += carry;  in csum_ipv6_magic()
64 	csum += daddr->s6_addr32[0];  in csum_ipv6_magic()
65 	carry = (csum < daddr->s6_addr32[0]);  in csum_ipv6_magic()
66 	csum += carry;  in csum_ipv6_magic()
68 	csum += daddr->s6_addr32[1];  in csum_ipv6_magic()
69 	carry = (csum < daddr->s6_addr32[1]);  in csum_ipv6_magic()
70 	csum += carry;  in csum_ipv6_magic()
72 	csum += daddr->s6_addr32[2];  in csum_ipv6_magic()
73 	carry = (csum < daddr->s6_addr32[2]);  in csum_ipv6_magic()
74 	csum += carry;  in csum_ipv6_magic()
76 	csum += daddr->s6_addr32[3];  in csum_ipv6_magic()
77 	carry = (csum < daddr->s6_addr32[3]);  in csum_ipv6_magic()
78 	csum += carry;  in csum_ipv6_magic()
81 	csum += ulen;  in csum_ipv6_magic()
82 	carry = (csum < ulen);  in csum_ipv6_magic()
83 	csum += carry;  in csum_ipv6_magic()
86 	csum += uproto;  in csum_ipv6_magic()
87 	carry = (csum < uproto);  in csum_ipv6_magic()
88 	csum += carry;  in csum_ipv6_magic()
90 	return csum_fold(csum);  in csum_ipv6_magic()
127 static inline unsigned int csum_add(unsigned int csum, unsigned int addend)  in csum_add()  argument
129 	csum += addend;  in csum_add()
130 	return csum + (csum < addend);  in csum_add()
133 static inline unsigned int csum_sub(unsigned int csum, unsigned int addend)  in csum_sub()  argument
135 	return csum_add(csum, ~addend);  in csum_sub()
139 csum_block_add(unsigned int csum, unsigned int csum2, int offset)  in csum_block_add()  argument
143 	return csum_add(csum, csum2);  in csum_block_add()
147 csum_block_sub(unsigned int csum, unsigned int csum2, int offset)  in csum_block_sub()  argument
151 	return csum_sub(csum, csum2);  in csum_block_sub()