1#ifndef _LINUX_ICMPV6_H 2#define _LINUX_ICMPV6_H 3 4#include <asm/byteorder.h> 5 6struct 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/* 90 * Codes for Destination Unreachable 91 */ 92#define ICMPV6_NOROUTE 0 93#define ICMPV6_ADM_PROHIBITED 1 94#define ICMPV6_NOT_NEIGHBOUR 2 95#define ICMPV6_ADDR_UNREACH 3 96#define ICMPV6_PORT_UNREACH 4 97 98/* 99 * Codes for Time Exceeded 100 */ 101#define ICMPV6_EXC_HOPLIMIT 0 102#define ICMPV6_EXC_FRAGTIME 1 103 104/* 105 * Codes for Parameter Problem 106 */ 107#define ICMPV6_HDR_FIELD 0 108#define ICMPV6_UNK_NEXTHDR 1 109#define ICMPV6_UNK_OPTION 2 110 111/* 112 * constants for (set|get)sockopt 113 */ 114 115#define ICMPV6_FILTER 1 116 117/* 118 * ICMPV6 filter 119 */ 120 121#define ICMPV6_FILTER_BLOCK 1 122#define ICMPV6_FILTER_PASS 2 123#define ICMPV6_FILTER_BLOCKOTHERS 3 124#define ICMPV6_FILTER_PASSONLY 4 125 126struct icmp6_filter { 127 __u32 data[8]; 128}; 129 130#ifdef __KERNEL__ 131 132#include <linux/netdevice.h> 133#include <linux/skbuff.h> 134 135 136extern void icmpv6_send(struct sk_buff *skb, 137 int type, int code, 138 __u32 info, 139 struct net_device *dev); 140 141extern int icmpv6_init(struct net_proto_family *ops); 142extern int icmpv6_err_convert(int type, int code, 143 int *err); 144extern void icmpv6_cleanup(void); 145extern void icmpv6_param_prob(struct sk_buff *skb, 146 int code, int pos); 147#endif 148 149#endif 150