Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 |