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1 #include <asm/byteorder.h>
2 
3 #define NI_NONCE_SIZE			8
4 
5 /* Node Information Query */
6 struct ni_hdr {
7 	struct icmp6_hdr		ni_u;
8 	__u8				ni_nonce[NI_NONCE_SIZE];
9 };
10 
11 #define ni_type		ni_u.icmp6_type
12 #define ni_code		ni_u.icmp6_code
13 #define ni_cksum	ni_u.icmp6_cksum
14 #define ni_qtype	ni_u.icmp6_data16[0]
15 #define ni_flags	ni_u.icmp6_data16[1]
16 
17 /* Types */
18 #ifndef ICMPV6_NI_QUERY
19 # define ICMPV6_NI_QUERY		139
20 # define ICMPV6_NI_REPLY		140
21 #endif
22 
23 /* Query Codes */
24 #define NI_SUBJ_IPV6			0
25 #define NI_SUBJ_NAME			1
26 #define NI_SUBJ_IPV4			2
27 
28 /* Reply Codes */
29 #define NI_SUCCESS			0
30 #define NI_REFUSED			1
31 #define NI_UNKNOWN			2
32 
33 /* Qtypes */
34 #define NI_QTYPE_NOOP			0
35 #define NI_QTYPE_NAME			2
36 #define NI_QTYPE_IPV6ADDR		3
37 #define NI_QTYPE_IPV4ADDR		4
38 
39 /* Flags */
40 #define NI_IPV6ADDR_F_TRUNCATE		__constant_cpu_to_be16(0x0001)
41 #define NI_IPV6ADDR_F_ALL		__constant_cpu_to_be16(0x0002)
42 #define NI_IPV6ADDR_F_COMPAT		__constant_cpu_to_be16(0x0004)
43 #define NI_IPV6ADDR_F_LINKLOCAL		__constant_cpu_to_be16(0x0008)
44 #define NI_IPV6ADDR_F_SITELOCAL		__constant_cpu_to_be16(0x0010)
45 #define NI_IPV6ADDR_F_GLOBAL		__constant_cpu_to_be16(0x0020)
46 
47 #define NI_IPV4ADDR_F_TRUNCATE		NI_IPV6ADDR_F_TRUNCATE
48 #define NI_IPV4ADDR_F_ALL		NI_IPV6ADDR_F_ALL
49 
50