Merge with http://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
[linux-2.6] / include / linux / icmpv6.h
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