[NET]: Inline net_device_stats
[linux-2.6.git] / 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         __sum16         icmp6_cksum;
11
12
13         union {
14                 __be32                  un_data32[1];
15                 __be16                  un_data16[2];
16                 __u8                    un_data8[4];
17
18                 struct icmpv6_echo {
19                         __be16          identifier;
20                         __be16          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:4,
44                                         router_pref:2,
45                                         other:1,
46                                         managed:1;
47
48 #elif defined(__BIG_ENDIAN_BITFIELD)
49                         __u8            managed:1,
50                                         other:1,
51                                         router_pref:2,
52                                         reserved:4;
53 #else
54 #error  "Please fix <asm/byteorder.h>"
55 #endif
56                         __be16          rt_lifetime;
57                 } u_nd_ra;
58
59         } icmp6_dataun;
60
61 #define icmp6_identifier        icmp6_dataun.u_echo.identifier
62 #define icmp6_sequence          icmp6_dataun.u_echo.sequence
63 #define icmp6_pointer           icmp6_dataun.un_data32[0]
64 #define icmp6_mtu               icmp6_dataun.un_data32[0]
65 #define icmp6_unused            icmp6_dataun.un_data32[0]
66 #define icmp6_maxdelay          icmp6_dataun.un_data16[0]
67 #define icmp6_router            icmp6_dataun.u_nd_advt.router
68 #define icmp6_solicited         icmp6_dataun.u_nd_advt.solicited
69 #define icmp6_override          icmp6_dataun.u_nd_advt.override
70 #define icmp6_ndiscreserved     icmp6_dataun.u_nd_advt.reserved
71 #define icmp6_hop_limit         icmp6_dataun.u_nd_ra.hop_limit
72 #define icmp6_addrconf_managed  icmp6_dataun.u_nd_ra.managed
73 #define icmp6_addrconf_other    icmp6_dataun.u_nd_ra.other
74 #define icmp6_rt_lifetime       icmp6_dataun.u_nd_ra.rt_lifetime
75 #define icmp6_router_pref       icmp6_dataun.u_nd_ra.router_pref
76 };
77
78 #ifdef __KERNEL__
79 #include <linux/skbuff.h>
80
81 static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
82 {
83         return (struct icmp6hdr *)skb_transport_header(skb);
84 }
85 #endif
86
87 #define ICMPV6_ROUTER_PREF_LOW          0x3
88 #define ICMPV6_ROUTER_PREF_MEDIUM       0x0
89 #define ICMPV6_ROUTER_PREF_HIGH         0x1
90 #define ICMPV6_ROUTER_PREF_INVALID      0x2
91
92 #define ICMPV6_DEST_UNREACH             1
93 #define ICMPV6_PKT_TOOBIG               2
94 #define ICMPV6_TIME_EXCEED              3
95 #define ICMPV6_PARAMPROB                4
96
97 #define ICMPV6_INFOMSG_MASK             0x80
98
99 #define ICMPV6_ECHO_REQUEST             128
100 #define ICMPV6_ECHO_REPLY               129
101 #define ICMPV6_MGM_QUERY                130
102 #define ICMPV6_MGM_REPORT               131
103 #define ICMPV6_MGM_REDUCTION            132
104
105 #define ICMPV6_NI_QUERY                 139
106 #define ICMPV6_NI_REPLY                 140
107
108 #define ICMPV6_MLD2_REPORT              143
109
110 #define ICMPV6_DHAAD_REQUEST            144
111 #define ICMPV6_DHAAD_REPLY              145
112 #define ICMPV6_MOBILE_PREFIX_SOL        146
113 #define ICMPV6_MOBILE_PREFIX_ADV        147
114
115 /*
116  *      Codes for Destination Unreachable
117  */
118 #define ICMPV6_NOROUTE                  0
119 #define ICMPV6_ADM_PROHIBITED           1
120 #define ICMPV6_NOT_NEIGHBOUR            2
121 #define ICMPV6_ADDR_UNREACH             3
122 #define ICMPV6_PORT_UNREACH             4
123
124 /*
125  *      Codes for Time Exceeded
126  */
127 #define ICMPV6_EXC_HOPLIMIT             0
128 #define ICMPV6_EXC_FRAGTIME             1
129
130 /*
131  *      Codes for Parameter Problem
132  */
133 #define ICMPV6_HDR_FIELD                0
134 #define ICMPV6_UNK_NEXTHDR              1
135 #define ICMPV6_UNK_OPTION               2
136
137 /*
138  *      constants for (set|get)sockopt
139  */
140
141 #define ICMPV6_FILTER                   1
142
143 /*
144  *      ICMPV6 filter
145  */
146
147 #define ICMPV6_FILTER_BLOCK             1
148 #define ICMPV6_FILTER_PASS              2
149 #define ICMPV6_FILTER_BLOCKOTHERS       3
150 #define ICMPV6_FILTER_PASSONLY          4
151
152 struct icmp6_filter {
153         __u32           data[8];
154 };
155
156 /*
157  *      Definitions for MLDv2
158  */
159 #define MLD2_MODE_IS_INCLUDE    1
160 #define MLD2_MODE_IS_EXCLUDE    2
161 #define MLD2_CHANGE_TO_INCLUDE  3
162 #define MLD2_CHANGE_TO_EXCLUDE  4
163 #define MLD2_ALLOW_NEW_SOURCES  5
164 #define MLD2_BLOCK_OLD_SOURCES  6
165
166 #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
167
168 #ifdef __KERNEL__
169
170 #include <linux/netdevice.h>
171 #include <linux/skbuff.h>
172
173
174 extern void                             icmpv6_send(struct sk_buff *skb,
175                                                     int type, int code,
176                                                     __u32 info, 
177                                                     struct net_device *dev);
178
179 extern int                              icmpv6_init(struct net_proto_family *ops);
180 extern int                              icmpv6_err_convert(int type, int code,
181                                                            int *err);
182 extern void                             icmpv6_cleanup(void);
183 extern void                             icmpv6_param_prob(struct sk_buff *skb,
184                                                           int code, int pos);
185 #endif
186
187 #endif