icmp6.h

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/*
 * 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

enum icmp6_type {
  ICMP6_TYPE_DUR = 1,
  ICMP6_TYPE_PTB = 2,
  ICMP6_TYPE_TE = 3,
  ICMP6_TYPE_PP = 4,
  ICMP6_TYPE_PE1 = 100,
  ICMP6_TYPE_PE2 = 101,
  ICMP6_TYPE_RSV_ERR = 127,

  ICMP6_TYPE_EREQ = 128,
  ICMP6_TYPE_EREP = 129,
  ICMP6_TYPE_MLQ = 130,
  ICMP6_TYPE_MLR = 131,
  ICMP6_TYPE_MLD = 132,
  ICMP6_TYPE_RS = 133,
  ICMP6_TYPE_RA = 134,
  ICMP6_TYPE_NS = 135,
  ICMP6_TYPE_NA = 136,
  ICMP6_TYPE_RD = 137,
  ICMP6_TYPE_MRA = 151,
  ICMP6_TYPE_MRS = 152,
  ICMP6_TYPE_MRT = 153,
  ICMP6_TYPE_PE3 = 200,
  ICMP6_TYPE_PE4 = 201,
  ICMP6_TYPE_RSV_INF = 255
};

enum icmp6_dur_code {
  ICMP6_DUR_NO_ROUTE = 0,
  ICMP6_DUR_PROHIBITED = 1,
  ICMP6_DUR_SCOPE = 2,
  ICMP6_DUR_ADDRESS = 3,
  ICMP6_DUR_PORT = 4,
  ICMP6_DUR_POLICY = 5,
  ICMP6_DUR_REJECT_ROUTE = 6
};

enum icmp6_te_code {
  ICMP6_TE_HL = 0,
  ICMP6_TE_FRAG = 1
};

enum icmp6_pp_code {
  ICMP6_PP_FIELD = 0,
  ICMP6_PP_HEADER = 1,
  ICMP6_PP_OPTION = 2
};

#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

#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 */