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1da177e4 LT |
1 | #ifndef _LINUX_ICMPV6_H |
2 | #define _LINUX_ICMPV6_H | |
3 | ||
4 | #include <asm/byteorder.h> | |
5 | ||
6 | struct icmp6hdr { | |
7 | ||
8 | __u8 icmp6_type; | |
9 | __u8 icmp6_code; | |
10 | __u16 icmp6_cksum; | |
11 | ||
12 | ||
13 | union { | |
14 | __u32 un_data32[1]; | |
15 | __u16 un_data16[2]; | |
16 | __u8 un_data8[4]; | |
17 | ||
18 | struct icmpv6_echo { | |
19 | __u16 identifier; | |
20 | __u16 sequence; | |
21 | } u_echo; | |
22 | ||
23 | struct icmpv6_nd_advt { | |
24 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
25 | __u32 reserved:5, | |
26 | override:1, | |
27 | solicited:1, | |
28 | router:1, | |
29 | reserved2:24; | |
30 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
31 | __u32 router:1, | |
32 | solicited:1, | |
33 | override:1, | |
34 | reserved:29; | |
35 | #else | |
36 | #error "Please fix <asm/byteorder.h>" | |
37 | #endif | |
38 | } u_nd_advt; | |
39 | ||
40 | struct icmpv6_nd_ra { | |
41 | __u8 hop_limit; | |
42 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
43 | __u8 reserved:6, | |
44 | other:1, | |
45 | managed:1; | |
46 | ||
47 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
48 | __u8 managed:1, | |
49 | other:1, | |
50 | reserved:6; | |
51 | #else | |
52 | #error "Please fix <asm/byteorder.h>" | |
53 | #endif | |
54 | __u16 rt_lifetime; | |
55 | } u_nd_ra; | |
56 | ||
57 | } icmp6_dataun; | |
58 | ||
59 | #define icmp6_identifier icmp6_dataun.u_echo.identifier | |
60 | #define icmp6_sequence icmp6_dataun.u_echo.sequence | |
61 | #define icmp6_pointer icmp6_dataun.un_data32[0] | |
62 | #define icmp6_mtu icmp6_dataun.un_data32[0] | |
63 | #define icmp6_unused icmp6_dataun.un_data32[0] | |
64 | #define icmp6_maxdelay icmp6_dataun.un_data16[0] | |
65 | #define icmp6_router icmp6_dataun.u_nd_advt.router | |
66 | #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited | |
67 | #define icmp6_override icmp6_dataun.u_nd_advt.override | |
68 | #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved | |
69 | #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit | |
70 | #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed | |
71 | #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other | |
72 | #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime | |
73 | }; | |
74 | ||
75 | ||
76 | #define ICMPV6_DEST_UNREACH 1 | |
77 | #define ICMPV6_PKT_TOOBIG 2 | |
78 | #define ICMPV6_TIME_EXCEED 3 | |
79 | #define ICMPV6_PARAMPROB 4 | |
80 | ||
81 | #define ICMPV6_INFOMSG_MASK 0x80 | |
82 | ||
83 | #define ICMPV6_ECHO_REQUEST 128 | |
84 | #define ICMPV6_ECHO_REPLY 129 | |
85 | #define ICMPV6_MGM_QUERY 130 | |
86 | #define ICMPV6_MGM_REPORT 131 | |
87 | #define ICMPV6_MGM_REDUCTION 132 | |
88 | ||
89 | #define ICMPV6_NI_QUERY 139 | |
90 | #define ICMPV6_NI_REPLY 140 | |
91 | ||
92 | #define ICMPV6_MLD2_REPORT 143 | |
93 | ||
94 | #define ICMPV6_DHAAD_REQUEST 144 | |
95 | #define ICMPV6_DHAAD_REPLY 145 | |
96 | #define ICMPV6_MOBILE_PREFIX_SOL 146 | |
97 | #define ICMPV6_MOBILE_PREFIX_ADV 147 | |
98 | ||
99 | /* | |
100 | * Codes for Destination Unreachable | |
101 | */ | |
102 | #define ICMPV6_NOROUTE 0 | |
103 | #define ICMPV6_ADM_PROHIBITED 1 | |
104 | #define ICMPV6_NOT_NEIGHBOUR 2 | |
105 | #define ICMPV6_ADDR_UNREACH 3 | |
106 | #define ICMPV6_PORT_UNREACH 4 | |
107 | ||
108 | /* | |
109 | * Codes for Time Exceeded | |
110 | */ | |
111 | #define ICMPV6_EXC_HOPLIMIT 0 | |
112 | #define ICMPV6_EXC_FRAGTIME 1 | |
113 | ||
114 | /* | |
115 | * Codes for Parameter Problem | |
116 | */ | |
117 | #define ICMPV6_HDR_FIELD 0 | |
118 | #define ICMPV6_UNK_NEXTHDR 1 | |
119 | #define ICMPV6_UNK_OPTION 2 | |
120 | ||
121 | /* | |
122 | * constants for (set|get)sockopt | |
123 | */ | |
124 | ||
125 | #define ICMPV6_FILTER 1 | |
126 | ||
127 | /* | |
128 | * ICMPV6 filter | |
129 | */ | |
130 | ||
131 | #define ICMPV6_FILTER_BLOCK 1 | |
132 | #define ICMPV6_FILTER_PASS 2 | |
133 | #define ICMPV6_FILTER_BLOCKOTHERS 3 | |
134 | #define ICMPV6_FILTER_PASSONLY 4 | |
135 | ||
136 | struct icmp6_filter { | |
137 | __u32 data[8]; | |
138 | }; | |
139 | ||
140 | /* | |
141 | * Definitions for MLDv2 | |
142 | */ | |
143 | #define MLD2_MODE_IS_INCLUDE 1 | |
144 | #define MLD2_MODE_IS_EXCLUDE 2 | |
145 | #define MLD2_CHANGE_TO_INCLUDE 3 | |
146 | #define MLD2_CHANGE_TO_EXCLUDE 4 | |
147 | #define MLD2_ALLOW_NEW_SOURCES 5 | |
148 | #define MLD2_BLOCK_OLD_SOURCES 6 | |
149 | ||
150 | #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } } | |
151 | ||
152 | #ifdef __KERNEL__ | |
153 | ||
154 | #include <linux/netdevice.h> | |
155 | #include <linux/skbuff.h> | |
156 | ||
157 | ||
158 | extern void icmpv6_send(struct sk_buff *skb, | |
159 | int type, int code, | |
160 | __u32 info, | |
161 | struct net_device *dev); | |
162 | ||
163 | extern int icmpv6_init(struct net_proto_family *ops); | |
164 | extern int icmpv6_err_convert(int type, int code, | |
165 | int *err); | |
166 | extern void icmpv6_cleanup(void); | |
167 | extern void icmpv6_param_prob(struct sk_buff *skb, | |
168 | int code, int pos); | |
169 | #endif | |
170 | ||
171 | #endif |