nes-proj/os/net/rpl-lite/rpl-const.h
2017-09-29 22:18:48 +02:00

160 lines
6.6 KiB
C

/*
* Copyright (c) 2010, 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. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 Contiki operating system.
*
* \addtogroup rpl-lite
* @{
*
* \file
* Constants for RPL
* \author
* Joakim Eriksson <joakime@sics.se> & Nicolas Tsiftes <nvt@sics.se>,
* Simon Duquennoy <simon.duquennoy@inria.fr>
*
*/
#ifndef RPL_CONST_H
#define RPL_CONST_H
/**
* \addtogroup rpl-lite
* @{
*/
/********** Constants **********/
/* Special value indicating infinite lifetime. */
#define RPL_INFINITE_LIFETIME 0xFF
#define RPL_ROUTE_INFINITE_LIFETIME 0xFFFFFFFF
#define RPL_INFINITE_RANK 0xFFFF
/*---------------------------------------------------------------------------*/
/* IANA Routing Metric/Constraint Type as defined in RFC6551 */
#define RPL_DAG_MC_NONE 0 /* Local identifier for empty MC */
#define RPL_DAG_MC_NSA 1 /* Node State and Attributes */
#define RPL_DAG_MC_ENERGY 2 /* Node Energy */
#define RPL_DAG_MC_HOPCOUNT 3 /* Hop Count */
#define RPL_DAG_MC_THROUGHPUT 4 /* Throughput */
#define RPL_DAG_MC_LATENCY 5 /* Latency */
#define RPL_DAG_MC_LQL 6 /* Link Quality Level */
#define RPL_DAG_MC_ETX 7 /* Expected Transmission Count */
#define RPL_DAG_MC_LC 8 /* Link Color */
/* IANA Routing Metric/Constraint Common Header Flag field as defined in RFC6551 (bit indexes) */
#define RPL_DAG_MC_FLAG_P 5
#define RPL_DAG_MC_FLAG_C 6
#define RPL_DAG_MC_FLAG_O 7
#define RPL_DAG_MC_FLAG_R 8
/* IANA Routing Metric/Constraint Common Header A Field as defined in RFC6551 */
#define RPL_DAG_MC_AGGR_ADDITIVE 0
#define RPL_DAG_MC_AGGR_MAXIMUM 1
#define RPL_DAG_MC_AGGR_MINIMUM 2
#define RPL_DAG_MC_AGGR_MULTIPLICATIVE 3
/* The bit index within the flags field of the rpl_metric_object_energy structure. */
#define RPL_DAG_MC_ENERGY_INCLUDED 3
#define RPL_DAG_MC_ENERGY_TYPE 1
#define RPL_DAG_MC_ENERGY_ESTIMATION 0
/* IANA Node Type Field as defined in RFC6551 */
#define RPL_DAG_MC_ENERGY_TYPE_MAINS 0
#define RPL_DAG_MC_ENERGY_TYPE_BATTERY 1
#define RPL_DAG_MC_ENERGY_TYPE_SCAVENGING 2
/* IANA Objective Code Point as defined in RFC6550 */
#define RPL_OCP_OF0 0
#define RPL_OCP_MRHOF 1
/*---------------------------------------------------------------------------*/
/* RPL message types */
#define RPL_CODE_DIS 0x00 /* DAG Information Solicitation */
#define RPL_CODE_DIO 0x01 /* DAG Information Option */
#define RPL_CODE_DAO 0x02 /* Destination Advertisement Option */
#define RPL_CODE_DAO_ACK 0x03 /* DAO acknowledgment */
#define RPL_CODE_SEC_DIS 0x80 /* Secure DIS */
#define RPL_CODE_SEC_DIO 0x81 /* Secure DIO */
#define RPL_CODE_SEC_DAO 0x82 /* Secure DAO */
#define RPL_CODE_SEC_DAO_ACK 0x83 /* Secure DAO-ACK */
/* RPL control message options. */
#define RPL_OPTION_PAD1 0
#define RPL_OPTION_PADN 1
#define RPL_OPTION_DAG_METRIC_CONTAINER 2
#define RPL_OPTION_ROUTE_INFO 3
#define RPL_OPTION_DAG_CONF 4
#define RPL_OPTION_TARGET 5
#define RPL_OPTION_TRANSIT 6
#define RPL_OPTION_SOLICITED_INFO 7
#define RPL_OPTION_PREFIX_INFO 8
#define RPL_OPTION_TARGET_DESC 9
#define RPL_DAO_K_FLAG 0x80 /* DAO-ACK requested */
#define RPL_DAO_D_FLAG 0x40 /* DODAG ID present */
#define RPL_DAO_ACK_UNCONDITIONAL_ACCEPT 0
#define RPL_DAO_ACK_ACCEPT 1 /* 1 - 127 is OK but not good */
#define RPL_DAO_ACK_UNABLE_TO_ACCEPT 128 /* >127 is fail */
#define RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT 255 /* root can not accept */
#define RPL_DAO_ACK_TIMEOUT -1
/*---------------------------------------------------------------------------*/
/* RPL IPv6 extension header option. */
#define RPL_HDR_OPT_LEN 4
#define RPL_HOP_BY_HOP_LEN (RPL_HDR_OPT_LEN + 2 + 2)
#define RPL_RH_LEN 4
#define RPL_SRH_LEN 4
#define RPL_RH_TYPE_SRH 3
#define RPL_HDR_OPT_DOWN 0x80
#define RPL_HDR_OPT_DOWN_SHIFT 7
#define RPL_HDR_OPT_RANK_ERR 0x40
#define RPL_HDR_OPT_RANK_ERR_SHIFT 6
#define RPL_HDR_OPT_FWD_ERR 0x20
#define RPL_HDR_OPT_FWD_ERR_SHIFT 5
/*---------------------------------------------------------------------------*/
#define RPL_INSTANCE_LOCAL_FLAG 0x80
#define RPL_INSTANCE_D_FLAG 0x40
/* Values that tell where a route came from. */
#define RPL_ROUTE_FROM_INTERNAL 0
#define RPL_ROUTE_FROM_UNICAST_DAO 1
#define RPL_ROUTE_FROM_MULTICAST_DAO 2
#define RPL_ROUTE_FROM_DIO 3
/* DAG Mode of Operation */
#define RPL_MOP_NO_DOWNWARD_ROUTES 0
#define RPL_MOP_NON_STORING 1
#define RPL_MOP_STORING_NO_MULTICAST 2
#define RPL_MOP_STORING_MULTICAST 3
/** @} */
#endif /* RPL_CONST_H */