1 #ifndef _LINUX_ICMPV6_H
2 #define _LINUX_ICMPV6_H
4 #include <asm/byteorder.h>
23 struct icmpv6_nd_advt {
24 #if defined(__LITTLE_ENDIAN_BITFIELD)
30 #elif defined(__BIG_ENDIAN_BITFIELD)
36 #error "Please fix <asm/byteorder.h>"
42 #if defined(__LITTLE_ENDIAN_BITFIELD)
48 #elif defined(__BIG_ENDIAN_BITFIELD)
54 #error "Please fix <asm/byteorder.h>"
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
79 #include <linux/skbuff.h>
81 static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
83 return (struct icmp6hdr *)skb_transport_header(skb);
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
92 #define ICMPV6_DEST_UNREACH 1
93 #define ICMPV6_PKT_TOOBIG 2
94 #define ICMPV6_TIME_EXCEED 3
95 #define ICMPV6_PARAMPROB 4
97 #define ICMPV6_INFOMSG_MASK 0x80
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
105 #define ICMPV6_NI_QUERY 139
106 #define ICMPV6_NI_REPLY 140
108 #define ICMPV6_MLD2_REPORT 143
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
116 * Codes for Destination Unreachable
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
125 * Codes for Time Exceeded
127 #define ICMPV6_EXC_HOPLIMIT 0
128 #define ICMPV6_EXC_FRAGTIME 1
131 * Codes for Parameter Problem
133 #define ICMPV6_HDR_FIELD 0
134 #define ICMPV6_UNK_NEXTHDR 1
135 #define ICMPV6_UNK_OPTION 2
138 * constants for (set|get)sockopt
141 #define ICMPV6_FILTER 1
147 #define ICMPV6_FILTER_BLOCK 1
148 #define ICMPV6_FILTER_PASS 2
149 #define ICMPV6_FILTER_BLOCKOTHERS 3
150 #define ICMPV6_FILTER_PASSONLY 4
152 struct icmp6_filter {
157 * Definitions for MLDv2
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
166 #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
170 #include <linux/netdevice.h>
171 #include <linux/skbuff.h>
174 extern void icmpv6_send(struct sk_buff *skb,
177 struct net_device *dev);
179 extern int icmpv6_init(void);
180 extern int icmpv6_err_convert(int type, int code,
182 extern void icmpv6_cleanup(void);
183 extern void icmpv6_param_prob(struct sk_buff *skb,
188 extern void icmpv6_flow_init(struct sock *sk,
191 const struct in6_addr *saddr,
192 const struct in6_addr *daddr,