| /** |
| * @file |
| * ICMP6 protocol definitions |
| */ |
| |
| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef LWIP_HDR_PROT_ICMP6_H |
| #define LWIP_HDR_PROT_ICMP6_H |
| |
| #include "lwip/arch.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** ICMP type */ |
| enum icmp6_type { |
| /** Destination unreachable */ |
| ICMP6_TYPE_DUR = 1, |
| /** Packet too big */ |
| ICMP6_TYPE_PTB = 2, |
| /** Time exceeded */ |
| ICMP6_TYPE_TE = 3, |
| /** Parameter problem */ |
| ICMP6_TYPE_PP = 4, |
| /** Private experimentation */ |
| ICMP6_TYPE_PE1 = 100, |
| /** Private experimentation */ |
| ICMP6_TYPE_PE2 = 101, |
| /** Reserved for expansion of error messages */ |
| ICMP6_TYPE_RSV_ERR = 127, |
| |
| /** Echo request */ |
| ICMP6_TYPE_EREQ = 128, |
| /** Echo reply */ |
| ICMP6_TYPE_EREP = 129, |
| /** Multicast listener query */ |
| ICMP6_TYPE_MLQ = 130, |
| /** Multicast listener report */ |
| ICMP6_TYPE_MLR = 131, |
| /** Multicast listener done */ |
| ICMP6_TYPE_MLD = 132, |
| /** Router solicitation */ |
| ICMP6_TYPE_RS = 133, |
| /** Router advertisement */ |
| ICMP6_TYPE_RA = 134, |
| /** Neighbor solicitation */ |
| ICMP6_TYPE_NS = 135, |
| /** Neighbor advertisement */ |
| ICMP6_TYPE_NA = 136, |
| /** Redirect */ |
| ICMP6_TYPE_RD = 137, |
| /** Multicast router advertisement */ |
| ICMP6_TYPE_MRA = 151, |
| /** Multicast router solicitation */ |
| ICMP6_TYPE_MRS = 152, |
| /** Multicast router termination */ |
| ICMP6_TYPE_MRT = 153, |
| /** Private experimentation */ |
| ICMP6_TYPE_PE3 = 200, |
| /** Private experimentation */ |
| ICMP6_TYPE_PE4 = 201, |
| /** Reserved for expansion of informational messages */ |
| ICMP6_TYPE_RSV_INF = 255 |
| }; |
| |
| /** ICMP destination unreachable codes */ |
| enum icmp6_dur_code { |
| /** No route to destination */ |
| ICMP6_DUR_NO_ROUTE = 0, |
| /** Communication with destination administratively prohibited */ |
| ICMP6_DUR_PROHIBITED = 1, |
| /** Beyond scope of source address */ |
| ICMP6_DUR_SCOPE = 2, |
| /** Address unreachable */ |
| ICMP6_DUR_ADDRESS = 3, |
| /** Port unreachable */ |
| ICMP6_DUR_PORT = 4, |
| /** Source address failed ingress/egress policy */ |
| ICMP6_DUR_POLICY = 5, |
| /** Reject route to destination */ |
| ICMP6_DUR_REJECT_ROUTE = 6 |
| }; |
| |
| /** ICMP time exceeded codes */ |
| enum icmp6_te_code { |
| /** Hop limit exceeded in transit */ |
| ICMP6_TE_HL = 0, |
| /** Fragment reassembly time exceeded */ |
| ICMP6_TE_FRAG = 1 |
| }; |
| |
| /** ICMP parameter code */ |
| enum icmp6_pp_code { |
| /** Erroneous header field encountered */ |
| ICMP6_PP_FIELD = 0, |
| /** Unrecognized next header type encountered */ |
| ICMP6_PP_HEADER = 1, |
| /** Unrecognized IPv6 option encountered */ |
| ICMP6_PP_OPTION = 2 |
| }; |
| |
| /** This is the standard ICMP6 header. */ |
| #ifdef PACK_STRUCT_USE_INCLUDES |
| # include "arch/bpstruct.h" |
| #endif |
| PACK_STRUCT_BEGIN |
| struct icmp6_hdr { |
| PACK_STRUCT_FLD_8(u8_t type); |
| PACK_STRUCT_FLD_8(u8_t code); |
| PACK_STRUCT_FIELD(u16_t chksum); |
| PACK_STRUCT_FIELD(u32_t data); |
| } PACK_STRUCT_STRUCT; |
| PACK_STRUCT_END |
| #ifdef PACK_STRUCT_USE_INCLUDES |
| # include "arch/epstruct.h" |
| #endif |
| |
| #define ICMP6_HLEN 8 |
| |
| /** This is the ICMP6 header adapted for echo req/resp. */ |
| #ifdef PACK_STRUCT_USE_INCLUDES |
| # include "arch/bpstruct.h" |
| #endif |
| PACK_STRUCT_BEGIN |
| struct icmp6_echo_hdr { |
| PACK_STRUCT_FLD_8(u8_t type); |
| PACK_STRUCT_FLD_8(u8_t code); |
| PACK_STRUCT_FIELD(u16_t chksum); |
| PACK_STRUCT_FIELD(u16_t id); |
| PACK_STRUCT_FIELD(u16_t seqno); |
| } PACK_STRUCT_STRUCT; |
| PACK_STRUCT_END |
| #ifdef PACK_STRUCT_USE_INCLUDES |
| # include "arch/epstruct.h" |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_HDR_PROT_ICMP6_H */ |