258 lines
6.3 KiB
Plaintext
258 lines
6.3 KiB
Plaintext
# Kconfig.rpl - RPL Options
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#
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# Copyright (c) 2016 Intel Corporation.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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menuconfig NET_RPL
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bool "Enable RPL (Ripple) support"
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default n
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select NET_IPV6
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select NET_IPV6_NBR_CACHE
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select NET_ROUTE
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help
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See RFC 6550 and RFC 6551 for details. Enable this if required by
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the network needs.
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if NET_RPL
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choice
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prompt "Objective function"
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default NET_RPL_MRHOF
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help
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The objective function to use. All RPL nodes in a DODAG
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must use the same OF.
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The default is MRHOF, see RFC 6719 for details.
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Other alternative is OF0, see RFC 6552 for details.
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config NET_RPL_MRHOF
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bool "Minimum Rank with Hysteresis, RFC 6719"
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help
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Choose this (MRHOF) if unsure.
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config NET_RPL_OF0
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bool "OF Zero, RFC 6552"
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help
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Objective function zero (OF0).
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endchoice
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choice
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prompt "Routing Metric"
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default NET_RPL_MC_NONE
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help
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The routing metric to use. This must be a valid DAG Metric Container
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Object Type. When MRH OF (RFC6719) is used with ETX, no metric
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container must be used as the rank carries ETX directly.
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config NET_RPL_MC_NONE
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bool "No routing metric"
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config NET_RPL_MC_ETX
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bool "Estimated number of transmissions (ETX)"
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config NET_RPL_MC_ENERGY
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bool "Energy based routing metric"
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endchoice
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choice
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prompt "Mode of operation (MOP)"
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default NET_RPL_MOP2
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help
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Mode of operation (MOP) level.
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MOP0 : No Downward routes maintained by RPL
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MOP1 : Non-Storing Mode of Operation
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MOP2 : Storing Mode of Operation with no multicast support
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MOP3 : Storing Mode of Operation with multicast support
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See RFC 6550 ch. 6.3.1 figure 15 for details.
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config NET_RPL_MOP2
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bool "Storing Mode of Operation with no multicast support"
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help
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Choose this if unsure.
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config NET_RPL_MOP3
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bool "Storing Mode of Operation with multicast support"
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select NET_ROUTE_MCAST
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endchoice
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config NET_RPL_PROBING
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bool "Enable RPL probing"
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depends on NET_RPL
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default n
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help
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When enabled, probes will be sent periodically to keep
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parent link estimates up to date.
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config NET_RPL_MAX_INSTANCES
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int "Maximum number of RPL instances"
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depends on NET_RPL
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default 1
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help
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This determines how many RPL instances to allocate.
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config NET_RPL_MAX_DAG_PER_INSTANCE
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int "Maximum number of DAGs within an instance"
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depends on NET_RPL
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default 2
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help
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This determines how many DAG to allocate within one RPL instance.
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config NET_RPL_DAO_SPECIFY_DAG
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bool "Specify DAG when sending a DAO message."
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depends on NET_RPL
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default y
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help
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This determines whether the DAG is embedded into DAO ICMPv6 message.
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config NET_RPL_DIO_INTERVAL_MIN
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int "DIO interval."
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depends on NET_RPL
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default 12
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help
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The DIO interval value n represents 2^n ms.
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According to the specification, the default value is 3 which
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means 8 milliseconds. That is far too low when using duty cycling
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with wake-up intervals that are typically hundreds of milliseconds.
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We thus set the default to 2^12 ms = 4.096 s.
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config NET_RPL_DIO_INTERVAL_DOUBLINGS
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int "Maximum amount of timer doublings."
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depends on NET_RPL
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default 8
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help
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The maximum interval by default will be 2^(12+8) ms = 1048.576 s.
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RFC 6550 suggests a default value of 20, which would not be ok
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when we start with a minimum interval of 2^12.
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config NET_RPL_DIO_REDUNDANCY
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int "DIO redundancy."
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depends on NET_RPL
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default 10
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help
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RFC 6550 suggests a default value of 10. It is unclear what the basis
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of this suggestion is. Network operators might attain more efficient
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operation by tuning this parameter for specific deployments.
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See also RFC 6206.
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config NET_RPL_DEFAULT_LIFETIME_UNIT
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int "Default route lifetime unit."
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depends on NET_RPL
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default 65535
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help
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This is the granularity of time used in RPL lifetime values, in seconds.
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config NET_RPL_DEFAULT_LIFETIME
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int "Default route lifetime."
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depends on NET_RPL
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default 255
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help
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Default route lifetime as a multiple of the lifetime unit.
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config NET_RPL_MCAST_LIFETIME
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int "Multicast route lifetime."
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depends on NET_RPL_MOP3
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default 3
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help
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Multicast route lifetime as a multiple of the lifetime unit.
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config NET_RPL_MIN_HOP_RANK_INC
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int "Minimum hop rank increment"
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depends on NET_RPL
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default 256
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config NET_RPL_INIT_LINK_METRIC
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int "Initial link metric"
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depends on NET_RPL
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default 2
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help
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Initial metric attributed to a link when the ETX is unknown.
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config NET_RPL_DAO_TIMER
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int "DAO sending timer value"
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depends on NET_RPL
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default 4
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help
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How many seconds to wait before sending DAO.
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config NET_RPL_DAO_ACK
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bool "Node expecting DAO ACK"
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depends on NET_RPL
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default y
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help
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Node expecting DAO ACK for DAO message. Enable if interested
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in status of DAO message.
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config NET_RPL_DAO_MAX_RETRANSMISSIONS
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int "Max DAO retransmissions"
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depends on NET_RPL && NET_RPL_DAO_ACK
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default 4
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range 1 5
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help
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If NET_RPL_DAO_ACK enabled then node expects DAO ACK message from
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the parent. If DAO message is routed through different nodes, ACK
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may be lost. So retry sending DAO message for max number of trials.
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config NET_RPL_PREFERENCE
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int "DAG preference field default value"
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depends on NET_RPL
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default 0
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config NET_RPL_GROUNDED
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bool "DAG grounded default value"
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depends on NET_RPL
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default false
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help
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A grounded DODAG offers connectivity to hosts that are
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required for satisfying the application-defined goal. A floating
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DODAG is not expected to satisfy the goal; in most cases, it only
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provides routes to nodes within the DODAG.
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config NET_RPL_DEFAULT_INSTANCE
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hex "Default DAG instance id"
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depends on NET_RPL
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default 0x1e
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help
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This value decides which DAG instance we should participate in
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by default.
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config NET_RPL_INSERT_HBH_OPTION
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bool "Add RPL Hop-by-hop ext header to sent UDP packets"
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depends on NET_RPL
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default y
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help
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This option control the insertion of the RPL Hop-by-Hop extension
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header into UDP packets originating from this node.
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config NET_RPL_DIS_SEND
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bool "Send DIS periodically"
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depends on NET_RPL
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default y
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help
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Enable periodic DODAG Information Solicitation message sending.
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config NET_RPL_DIS_INTERVAL
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int "Default DIS interval"
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depends on NET_RPL_DIS_SEND
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default 60
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help
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This value decides how often DIS messages are sent. The
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value is in seconds.
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config NET_STATISTICS_RPL
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bool "Collect RPL statistics"
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depends on NET_STATISTICS
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default n
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help
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Keep track of RPL related statistics
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config NET_DEBUG_RPL
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bool "Debug RPL"
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default n
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depends on NET_RPL && NET_LOG
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help
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Enables RPL output debug messages
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endif # NET_RPL
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