1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_ICMPV6_H 13 #define _LINUX_ICMPV6_H 14 15 #include <linux/types.h> 16 #include <asm/byteorder.h> 17 18 struct icmp6hdr { 19 20 __u8 icmp6_type; 21 __u8 icmp6_code; 22 __sum16 icmp6_cksum; 23 24 union { 25 __be32 un_data32[1]; 26 __be16 un_data16[2]; 27 __u8 un_data8[4]; 28 29 struct icmpv6_echo { 30 __be16 identifier; 31 __be16 sequence; 32 } u_echo; 33 34 struct icmpv6_nd_advt { 35 #ifdef __LITTLE_ENDIAN_BITFIELD 36 __u32 reserved:5, 37 override:1, 38 solicited:1, 39 router:1, 40 reserved2:24; 41 #elif defined(__BIG_ENDIAN_BITFIELD) 42 __u32 router:1, 43 solicited:1, 44 override:1, 45 reserved:29; 46 #else 47 #error "Please fix <asm/byteorder.h>" 48 #endif 49 } u_nd_advt; 50 51 struct icmpv6_nd_ra { 52 __u8 hop_limit; 53 #ifdef __LITTLE_ENDIAN_BITFIELD 54 __u8 reserved:3, 55 router_pref:2, 56 home_agent:1, 57 other:1, 58 managed:1; 59 60 #elif defined(__BIG_ENDIAN_BITFIELD) 61 __u8 managed:1, 62 other:1, 63 home_agent:1, 64 router_pref:2, 65 reserved:3; 66 #else 67 #error "Please fix <asm/byteorder.h>" 68 #endif 69 __be16 rt_lifetime; 70 } u_nd_ra; 71 72 } icmp6_dataun; 73 74 #define icmp6_identifier icmp6_dataun.u_echo.identifier 75 #define icmp6_sequence icmp6_dataun.u_echo.sequence 76 #define icmp6_pointer icmp6_dataun.un_data32[0] 77 #define icmp6_mtu icmp6_dataun.un_data32[0] 78 #define icmp6_unused icmp6_dataun.un_data32[0] 79 #define icmp6_maxdelay icmp6_dataun.un_data16[0] 80 #define icmp6_router icmp6_dataun.u_nd_advt.router 81 #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited 82 #define icmp6_override icmp6_dataun.u_nd_advt.override 83 #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved 84 #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit 85 #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed 86 #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other 87 #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime 88 #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref 89 }; 90 91 #define ICMPV6_ROUTER_PREF_LOW 0x3 92 #define ICMPV6_ROUTER_PREF_MEDIUM 0x0 93 #define ICMPV6_ROUTER_PREF_HIGH 0x1 94 #define ICMPV6_ROUTER_PREF_INVALID 0x2 95 96 #define ICMPV6_DEST_UNREACH 1 97 #define ICMPV6_PKT_TOOBIG 2 98 #define ICMPV6_TIME_EXCEED 3 99 #define ICMPV6_PARAMPROB 4 100 101 #define ICMPV6_INFOMSG_MASK 0x80 102 103 #define ICMPV6_ECHO_REQUEST 128 104 #define ICMPV6_ECHO_REPLY 129 105 #define ICMPV6_MGM_QUERY 130 106 #define ICMPV6_MGM_REPORT 131 107 #define ICMPV6_MGM_REDUCTION 132 108 109 #define ICMPV6_NI_QUERY 139 110 #define ICMPV6_NI_REPLY 140 111 112 #define ICMPV6_MLD2_REPORT 143 113 114 #define ICMPV6_DHAAD_REQUEST 144 115 #define ICMPV6_DHAAD_REPLY 145 116 #define ICMPV6_MOBILE_PREFIX_SOL 146 117 #define ICMPV6_MOBILE_PREFIX_ADV 147 118 119 #define ICMPV6_NOROUTE 0 120 #define ICMPV6_ADM_PROHIBITED 1 121 #define ICMPV6_NOT_NEIGHBOUR 2 122 #define ICMPV6_ADDR_UNREACH 3 123 #define ICMPV6_PORT_UNREACH 4 124 125 #define ICMPV6_EXC_HOPLIMIT 0 126 #define ICMPV6_EXC_FRAGTIME 1 127 128 #define ICMPV6_HDR_FIELD 0 129 #define ICMPV6_UNK_NEXTHDR 1 130 #define ICMPV6_UNK_OPTION 2 131 132 #define ICMPV6_FILTER 1 133 134 #define ICMPV6_FILTER_BLOCK 1 135 #define ICMPV6_FILTER_PASS 2 136 #define ICMPV6_FILTER_BLOCKOTHERS 3 137 #define ICMPV6_FILTER_PASSONLY 4 138 139 struct icmp6_filter { 140 __u32 data[8]; 141 }; 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 #endif 153