| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef _UAPI_LINUX_ICMPV6_H |
| #define _UAPI_LINUX_ICMPV6_H |
| |
| #include <linux/types.h> |
| #include <asm/byteorder.h> |
| |
| struct icmp6hdr { |
| |
| __u8 icmp6_type; |
| __u8 icmp6_code; |
| __sum16 icmp6_cksum; |
| |
| |
| union { |
| __be32 un_data32[1]; |
| __be16 un_data16[2]; |
| __u8 un_data8[4]; |
| |
| struct icmpv6_echo { |
| __be16 identifier; |
| __be16 sequence; |
| } u_echo; |
| |
| struct icmpv6_nd_advt { |
| #if defined(__LITTLE_ENDIAN_BITFIELD) |
| __u32 reserved:5, |
| override:1, |
| solicited:1, |
| router:1, |
| reserved2:24; |
| #elif defined(__BIG_ENDIAN_BITFIELD) |
| __u32 router:1, |
| solicited:1, |
| override:1, |
| reserved:29; |
| #else |
| #error "Please fix <asm/byteorder.h>" |
| #endif |
| } u_nd_advt; |
| |
| struct icmpv6_nd_ra { |
| __u8 hop_limit; |
| #if defined(__LITTLE_ENDIAN_BITFIELD) |
| __u8 reserved:3, |
| router_pref:2, |
| home_agent:1, |
| other:1, |
| managed:1; |
| |
| #elif defined(__BIG_ENDIAN_BITFIELD) |
| __u8 managed:1, |
| other:1, |
| home_agent:1, |
| router_pref:2, |
| reserved:3; |
| #else |
| #error "Please fix <asm/byteorder.h>" |
| #endif |
| __be16 rt_lifetime; |
| } u_nd_ra; |
| |
| } icmp6_dataun; |
| |
| #define icmp6_identifier icmp6_dataun.u_echo.identifier |
| #define icmp6_sequence icmp6_dataun.u_echo.sequence |
| #define icmp6_pointer icmp6_dataun.un_data32[0] |
| #define icmp6_mtu icmp6_dataun.un_data32[0] |
| #define icmp6_unused icmp6_dataun.un_data32[0] |
| #define icmp6_maxdelay icmp6_dataun.un_data16[0] |
| #define icmp6_datagram_len icmp6_dataun.un_data8[0] |
| #define icmp6_router icmp6_dataun.u_nd_advt.router |
| #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited |
| #define icmp6_override icmp6_dataun.u_nd_advt.override |
| #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved |
| #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit |
| #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed |
| #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other |
| #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime |
| #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref |
| }; |
| |
| |
| #define ICMPV6_ROUTER_PREF_LOW 0x3 |
| #define ICMPV6_ROUTER_PREF_MEDIUM 0x0 |
| #define ICMPV6_ROUTER_PREF_HIGH 0x1 |
| #define ICMPV6_ROUTER_PREF_INVALID 0x2 |
| |
| #define ICMPV6_DEST_UNREACH 1 |
| #define ICMPV6_PKT_TOOBIG 2 |
| #define ICMPV6_TIME_EXCEED 3 |
| #define ICMPV6_PARAMPROB 4 |
| |
| #define ICMPV6_ERRMSG_MAX 127 |
| |
| #define ICMPV6_INFOMSG_MASK 0x80 |
| |
| #define ICMPV6_ECHO_REQUEST 128 |
| #define ICMPV6_ECHO_REPLY 129 |
| #define ICMPV6_MGM_QUERY 130 |
| #define ICMPV6_MGM_REPORT 131 |
| #define ICMPV6_MGM_REDUCTION 132 |
| |
| #define ICMPV6_NI_QUERY 139 |
| #define ICMPV6_NI_REPLY 140 |
| |
| #define ICMPV6_MLD2_REPORT 143 |
| |
| #define ICMPV6_DHAAD_REQUEST 144 |
| #define ICMPV6_DHAAD_REPLY 145 |
| #define ICMPV6_MOBILE_PREFIX_SOL 146 |
| #define ICMPV6_MOBILE_PREFIX_ADV 147 |
| |
| #define ICMPV6_MRDISC_ADV 151 |
| |
| #define ICMPV6_MSG_MAX 255 |
| |
| /* |
| * Codes for Destination Unreachable |
| */ |
| #define ICMPV6_NOROUTE 0 |
| #define ICMPV6_ADM_PROHIBITED 1 |
| #define ICMPV6_NOT_NEIGHBOUR 2 |
| #define ICMPV6_ADDR_UNREACH 3 |
| #define ICMPV6_PORT_UNREACH 4 |
| #define ICMPV6_POLICY_FAIL 5 |
| #define ICMPV6_REJECT_ROUTE 6 |
| |
| /* |
| * Codes for Time Exceeded |
| */ |
| #define ICMPV6_EXC_HOPLIMIT 0 |
| #define ICMPV6_EXC_FRAGTIME 1 |
| |
| /* |
| * Codes for Parameter Problem |
| */ |
| #define ICMPV6_HDR_FIELD 0 |
| #define ICMPV6_UNK_NEXTHDR 1 |
| #define ICMPV6_UNK_OPTION 2 |
| #define ICMPV6_HDR_INCOMP 3 |
| |
| /* Codes for EXT_ECHO (PROBE) */ |
| #define ICMPV6_EXT_ECHO_REQUEST 160 |
| #define ICMPV6_EXT_ECHO_REPLY 161 |
| /* |
| * constants for (set|get)sockopt |
| */ |
| |
| #define ICMPV6_FILTER 1 |
| |
| /* |
| * ICMPV6 filter |
| */ |
| |
| #define ICMPV6_FILTER_BLOCK 1 |
| #define ICMPV6_FILTER_PASS 2 |
| #define ICMPV6_FILTER_BLOCKOTHERS 3 |
| #define ICMPV6_FILTER_PASSONLY 4 |
| |
| struct icmp6_filter { |
| __u32 data[8]; |
| }; |
| |
| /* |
| * Definitions for MLDv2 |
| */ |
| #define MLD2_MODE_IS_INCLUDE 1 |
| #define MLD2_MODE_IS_EXCLUDE 2 |
| #define MLD2_CHANGE_TO_INCLUDE 3 |
| #define MLD2_CHANGE_TO_EXCLUDE 4 |
| #define MLD2_ALLOW_NEW_SOURCES 5 |
| #define MLD2_BLOCK_OLD_SOURCES 6 |
| |
| #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } } |
| |
| |
| #endif /* _UAPI_LINUX_ICMPV6_H */ |