icmpv6.h
001: #ifndef _LINUX_ICMPV6_H
002: #define _LINUX_ICMPV6_H
003:
004: #include <linux/types.h>
005: #include <asm/byteorder.h>
006:
007: struct icmp6hdr {
008:
009: __u8 icmp6_type;
010: __u8 icmp6_code;
011: __sum16 icmp6_cksum;
012:
013:
014: union {
015: __be32 un_data32[1];
016: __be16 un_data16[2];
017: __u8 un_data8[4];
018:
019: struct icmpv6_echo {
020: __be16 identifier;
021: __be16 sequence;
022: } u_echo;
023:
024: struct icmpv6_nd_advt {
025: #if defined(__LITTLE_ENDIAN_BITFIELD)
026: __u32 reserved:5,
027: override:1,
028: solicited:1,
029: router:1,
030: reserved2:24;
031: #elif defined(__BIG_ENDIAN_BITFIELD)
032: __u32 router:1,
033: solicited:1,
034: override:1,
035: reserved:29;
036: #else
037: #error "Please fix <asm/byteorder.h>"
038: #endif
039: } u_nd_advt;
040:
041: struct icmpv6_nd_ra {
042: __u8 hop_limit;
043: #if defined(__LITTLE_ENDIAN_BITFIELD)
044: __u8 reserved:3,
045: router_pref:2,
046: home_agent:1,
047: other:1,
048: managed:1;
049:
050: #elif defined(__BIG_ENDIAN_BITFIELD)
051: __u8 managed:1,
052: other:1,
053: home_agent:1,
054: router_pref:2,
055: reserved:3;
056: #else
057: #error "Please fix <asm/byteorder.h>"
058: #endif
059: __be16 rt_lifetime;
060: } u_nd_ra;
061:
062: } icmp6_dataun;
063:
064: #define icmp6_identifier icmp6_dataun.u_echo.identifier
065: #define icmp6_sequence icmp6_dataun.u_echo.sequence
066: #define icmp6_pointer icmp6_dataun.un_data32[0]
067: #define icmp6_mtu icmp6_dataun.un_data32[0]
068: #define icmp6_unused icmp6_dataun.un_data32[0]
069: #define icmp6_maxdelay icmp6_dataun.un_data16[0]
070: #define icmp6_router icmp6_dataun.u_nd_advt.router
071: #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
072: #define icmp6_override icmp6_dataun.u_nd_advt.override
073: #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved
074: #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit
075: #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
076: #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
077: #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
078: #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref
079: };
080:
081:
082: #define ICMPV6_ROUTER_PREF_LOW 0x3
083: #define ICMPV6_ROUTER_PREF_MEDIUM 0x0
084: #define ICMPV6_ROUTER_PREF_HIGH 0x1
085: #define ICMPV6_ROUTER_PREF_INVALID 0x2
086:
087: #define ICMPV6_DEST_UNREACH 1
088: #define ICMPV6_PKT_TOOBIG 2
089: #define ICMPV6_TIME_EXCEED 3
090: #define ICMPV6_PARAMPROB 4
091:
092: #define ICMPV6_INFOMSG_MASK 0x80
093:
094: #define ICMPV6_ECHO_REQUEST 128
095: #define ICMPV6_ECHO_REPLY 129
096: #define ICMPV6_MGM_QUERY 130
097: #define ICMPV6_MGM_REPORT 131
098: #define ICMPV6_MGM_REDUCTION 132
099:
100: #define ICMPV6_NI_QUERY 139
101: #define ICMPV6_NI_REPLY 140
102:
103: #define ICMPV6_MLD2_REPORT 143
104:
105: #define ICMPV6_DHAAD_REQUEST 144
106: #define ICMPV6_DHAAD_REPLY 145
107: #define ICMPV6_MOBILE_PREFIX_SOL 146
108: #define ICMPV6_MOBILE_PREFIX_ADV 147
109:
110:
111:
112:
113: #define ICMPV6_NOROUTE 0
114: #define ICMPV6_ADM_PROHIBITED 1
115: #define ICMPV6_NOT_NEIGHBOUR 2
116: #define ICMPV6_ADDR_UNREACH 3
117: #define ICMPV6_PORT_UNREACH 4
118:
119:
120:
121:
122: #define ICMPV6_EXC_HOPLIMIT 0
123: #define ICMPV6_EXC_FRAGTIME 1
124:
125:
126:
127:
128: #define ICMPV6_HDR_FIELD 0
129: #define ICMPV6_UNK_NEXTHDR 1
130: #define ICMPV6_UNK_OPTION 2
131:
132:
133:
134:
135:
136: #define ICMPV6_FILTER 1
137:
138:
139:
140:
141:
142: #define ICMPV6_FILTER_BLOCK 1
143: #define ICMPV6_FILTER_PASS 2
144: #define ICMPV6_FILTER_BLOCKOTHERS 3
145: #define ICMPV6_FILTER_PASSONLY 4
146:
147: struct icmp6_filter {
148: __u32 data[8];
149: };
150:
151:
152:
153:
154: #define MLD2_MODE_IS_INCLUDE 1
155: #define MLD2_MODE_IS_EXCLUDE 2
156: #define MLD2_CHANGE_TO_INCLUDE 3
157: #define MLD2_CHANGE_TO_EXCLUDE 4
158: #define MLD2_ALLOW_NEW_SOURCES 5
159: #define MLD2_BLOCK_OLD_SOURCES 6
160:
161: #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
162:
163:
164: #endif
165:
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