160 lines
6.6 KiB
C
160 lines
6.6 KiB
C
/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* \addtogroup rpl-lite
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* @{
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*
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* \file
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* Constants for RPL
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* \author
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* Joakim Eriksson <joakime@sics.se> & Nicolas Tsiftes <nvt@sics.se>,
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* Simon Duquennoy <simon.duquennoy@inria.fr>
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*
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*/
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#ifndef RPL_CONST_H
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#define RPL_CONST_H
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/**
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* \addtogroup rpl-lite
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* @{
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*/
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/********** Constants **********/
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/* Special value indicating infinite lifetime. */
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#define RPL_INFINITE_LIFETIME 0xFF
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#define RPL_ROUTE_INFINITE_LIFETIME 0xFFFFFFFF
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#define RPL_INFINITE_RANK 0xFFFF
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/*---------------------------------------------------------------------------*/
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/* IANA Routing Metric/Constraint Type as defined in RFC6551 */
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#define RPL_DAG_MC_NONE 0 /* Local identifier for empty MC */
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#define RPL_DAG_MC_NSA 1 /* Node State and Attributes */
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#define RPL_DAG_MC_ENERGY 2 /* Node Energy */
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#define RPL_DAG_MC_HOPCOUNT 3 /* Hop Count */
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#define RPL_DAG_MC_THROUGHPUT 4 /* Throughput */
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#define RPL_DAG_MC_LATENCY 5 /* Latency */
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#define RPL_DAG_MC_LQL 6 /* Link Quality Level */
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#define RPL_DAG_MC_ETX 7 /* Expected Transmission Count */
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#define RPL_DAG_MC_LC 8 /* Link Color */
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/* IANA Routing Metric/Constraint Common Header Flag field as defined in RFC6551 (bit indexes) */
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#define RPL_DAG_MC_FLAG_P 5
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#define RPL_DAG_MC_FLAG_C 6
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#define RPL_DAG_MC_FLAG_O 7
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#define RPL_DAG_MC_FLAG_R 8
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/* IANA Routing Metric/Constraint Common Header A Field as defined in RFC6551 */
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#define RPL_DAG_MC_AGGR_ADDITIVE 0
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#define RPL_DAG_MC_AGGR_MAXIMUM 1
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#define RPL_DAG_MC_AGGR_MINIMUM 2
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#define RPL_DAG_MC_AGGR_MULTIPLICATIVE 3
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/* The bit index within the flags field of the rpl_metric_object_energy structure. */
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#define RPL_DAG_MC_ENERGY_INCLUDED 3
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#define RPL_DAG_MC_ENERGY_TYPE 1
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#define RPL_DAG_MC_ENERGY_ESTIMATION 0
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/* IANA Node Type Field as defined in RFC6551 */
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#define RPL_DAG_MC_ENERGY_TYPE_MAINS 0
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#define RPL_DAG_MC_ENERGY_TYPE_BATTERY 1
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#define RPL_DAG_MC_ENERGY_TYPE_SCAVENGING 2
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/* IANA Objective Code Point as defined in RFC6550 */
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#define RPL_OCP_OF0 0
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#define RPL_OCP_MRHOF 1
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/*---------------------------------------------------------------------------*/
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/* RPL message types */
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#define RPL_CODE_DIS 0x00 /* DAG Information Solicitation */
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#define RPL_CODE_DIO 0x01 /* DAG Information Option */
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#define RPL_CODE_DAO 0x02 /* Destination Advertisement Option */
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#define RPL_CODE_DAO_ACK 0x03 /* DAO acknowledgment */
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#define RPL_CODE_SEC_DIS 0x80 /* Secure DIS */
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#define RPL_CODE_SEC_DIO 0x81 /* Secure DIO */
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#define RPL_CODE_SEC_DAO 0x82 /* Secure DAO */
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#define RPL_CODE_SEC_DAO_ACK 0x83 /* Secure DAO-ACK */
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/* RPL control message options. */
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#define RPL_OPTION_PAD1 0
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#define RPL_OPTION_PADN 1
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#define RPL_OPTION_DAG_METRIC_CONTAINER 2
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#define RPL_OPTION_ROUTE_INFO 3
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#define RPL_OPTION_DAG_CONF 4
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#define RPL_OPTION_TARGET 5
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#define RPL_OPTION_TRANSIT 6
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#define RPL_OPTION_SOLICITED_INFO 7
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#define RPL_OPTION_PREFIX_INFO 8
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#define RPL_OPTION_TARGET_DESC 9
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#define RPL_DAO_K_FLAG 0x80 /* DAO-ACK requested */
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#define RPL_DAO_D_FLAG 0x40 /* DODAG ID present */
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#define RPL_DAO_ACK_UNCONDITIONAL_ACCEPT 0
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#define RPL_DAO_ACK_ACCEPT 1 /* 1 - 127 is OK but not good */
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#define RPL_DAO_ACK_UNABLE_TO_ACCEPT 128 /* >127 is fail */
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#define RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT 255 /* root can not accept */
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#define RPL_DAO_ACK_TIMEOUT -1
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/*---------------------------------------------------------------------------*/
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/* RPL IPv6 extension header option. */
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#define RPL_HDR_OPT_LEN 4
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#define RPL_HOP_BY_HOP_LEN (RPL_HDR_OPT_LEN + 2 + 2)
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#define RPL_RH_LEN 4
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#define RPL_SRH_LEN 4
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#define RPL_RH_TYPE_SRH 3
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#define RPL_HDR_OPT_DOWN 0x80
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#define RPL_HDR_OPT_DOWN_SHIFT 7
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#define RPL_HDR_OPT_RANK_ERR 0x40
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#define RPL_HDR_OPT_RANK_ERR_SHIFT 6
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#define RPL_HDR_OPT_FWD_ERR 0x20
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#define RPL_HDR_OPT_FWD_ERR_SHIFT 5
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/*---------------------------------------------------------------------------*/
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#define RPL_INSTANCE_LOCAL_FLAG 0x80
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#define RPL_INSTANCE_D_FLAG 0x40
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/* Values that tell where a route came from. */
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#define RPL_ROUTE_FROM_INTERNAL 0
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#define RPL_ROUTE_FROM_UNICAST_DAO 1
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#define RPL_ROUTE_FROM_MULTICAST_DAO 2
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#define RPL_ROUTE_FROM_DIO 3
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/* DAG Mode of Operation */
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#define RPL_MOP_NO_DOWNWARD_ROUTES 0
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#define RPL_MOP_NON_STORING 1
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#define RPL_MOP_STORING_NO_MULTICAST 2
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#define RPL_MOP_STORING_MULTICAST 3
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/** @} */
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#endif /* RPL_CONST_H */
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