288 lines
8.3 KiB
Plaintext
288 lines
8.3 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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menu "ICMPv6 Networking Support"
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config NET_ICMPv6
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bool "Enable ICMPv6 networking"
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default n
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select NET_MCASTGROUP
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depends on NET
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---help---
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Enable minimal ICMPv6 support. Includes built-in support
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for sending replies to received ECHO (ping) requests.
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config NET_ICMPv6_NO_STACK
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bool "Disable ICMPv6 stack"
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default n
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select NET_ICMPv6
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---help---
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Build without ICMPv6 stack even if ICMPv6 networking support enabled.
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if NET_ICMPv6 && !NET_ICMPv6_NO_STACK
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config NET_ICMPv6_PMTU_ENTRIES
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int "PMTUD ICMPv6 pmtu entry"
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default 0
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---help---
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The number of the ICMPv6 pmtu entry
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config NET_ICMPv6_PMTU_TIMEOUT
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int "PMTUD ICMPv6 pmtu entry timeout (Time Unit:minute)"
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default 10
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depends on NET_ICMPv6_PMTU_ENTRIES != 0
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---help---
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The timout of the ICMPv6 pmtu entry
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config NET_ICMPv6_SOCKET
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bool "IPPROTO_ICMP6 socket support"
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default n
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select MM_IOB
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---help---
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Enable support for IPPROTO_ICMP6 sockets. These sockets are needed
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for application level support for sending ICMPv7 ECHO requests and
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receiving associated ICMPv6 ECHO replies.
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config NET_ICMPv6_NEIGHBOR
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bool "Solicit destination addresses"
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default n
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---help---
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Enable logic to send ICMPv6 neighbor solicitation requests if
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the target IPv6 address mapping does not appear in the Neighbor
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table.
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if NET_ICMPv6_NEIGHBOR
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config ICMPv6_NEIGHBOR_MAXTRIES
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int "ICMPv6 neighbor solicitation retries"
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default 5
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---help---
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Send the Neighbor solicitation this number of times before giving
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up and deciding that the target IP6 address is non reachable.
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config ICMPv6_NEIGHBOR_DELAYMSEC
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int "ICMPv6 neighbor re-solicit delay"
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default 20
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---help---
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Wait this number of milliseconds after sending the Neighbor
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Solicitation before checking if the IPv6 address mapping is present
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in the Neighbor Table. This time should be related to the maximum
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round trip time on the network since it is basically the time from
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when an Neighbor Solicitation is sent until the Neighbor
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Advertisement is received.
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endif # NET_ICMPv6_NEIGHBOR
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config NET_ICMPv6_AUTOCONF
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bool "ICMPv6 auto-configuration"
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default n
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---help---
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Enable ioctl() logic that implements ICMPv6 auto configuration.
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ICMPv6 auto configuration is an alternative to DHCPv6 for obtaining
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an IPv6 address from a router.
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if NET_ICMPv6_AUTOCONF
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config ICMPv6_AUTOCONF_MAXTRIES
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int "ICMPv6 router solicitation retries"
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default 5
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---help---
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Send the Router solicitation this number of times before giving
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up and deciding that no router is going to provide an IP address.
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config ICMPv6_AUTOCONF_DELAYMSEC
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int "ICMPv6 router re-solicit delay"
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default 20
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---help---
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Wait this number of milliseconds before re-sending the Router
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Solicitation. This time should be related to the maximum
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round trip time on the network since it is basically the time from
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when an Router Solicitation is sent until the Router
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Advertisement is received.
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config ICMPv6_AUTOCONF_RDNSS
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bool "ICMPv6 handle RDNSS field in router advertise"
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default n
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---help---
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Handle the RDNSS field in the Router Advertisement and add it to
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netdb DNS Server.
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endif # NET_ICMPv6_AUTOCONF
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config NET_ICMPv6_ROUTER
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bool "Router Advertisement"
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default n
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---help---
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In a router-less environment, NuttX can be configured to provide a
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response to Router Solicitation messages and, hence, providing
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addressing to IPv6 nodes on the network.
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if NET_ICMPv6_ROUTER
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config NET_ICMPv6_ROUTER_LIFETIME
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int "Router Advertisement router lifetime in seconds"
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default 1800
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---help---
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Set the router lifetime for advertising as a default router.
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Set to 0 to only advertise autoconfiguration prefix without
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advertising as a router.
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config NET_ICMPv6_ROUTER_MANUAL
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bool "Manual router prefix"
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default n
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---help---
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Select this to set the advertised router prefix manually. Otherwise, it
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will be derived from the device IPv6 address and prefix length set in
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the netdev structure.
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if NET_ICMPv6_ROUTER_MANUAL
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config NET_ICMPv6_PREFLEN
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int "Prefix length"
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default 64
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range 0 128
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---help---
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The length (in bits) of the IPv6 address prefix. This is the number
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of MS bits under the network mask. The default of 64 would
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correspond to a network mask of:
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0xffff:0xffff:0xffff:0xffff:0x0000:0x0000:0x0000:0x0000.
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comment "Router Prefix"
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config NET_ICMPv6_PREFIX_1
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hex "[0]"
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default 0xfc00
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the first of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_2
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hex "[1]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the second of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_3
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hex "[2]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the third of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_4
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hex "[3]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the fourth of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_5
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hex "[4]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the fifth of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_6
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hex "[5]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the sixth of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_7
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hex "[6]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the seventh of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_PREFIX_8
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hex "[7]"
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default 0x0000
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range 0x0 0xffff
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---help---
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This the IPv6 address prefix that will be provided in the IPv6 Router
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Advertisement message. This is the last of the 8-values. The
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default for all eight values is fc00::0.
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config NET_ICMPv6_ROUTER_RDNSS
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bool "Fill the RDNSS into Router Advertisement"
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default n
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---help---
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Fill the RDNSS from the netdb DNS Server into the Router
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Advertisement.
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endif # NET_ICMPv6_ROUTER_MANUAL
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endif # NET_ICMPv6_ROUTER
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if NET_ICMPv6_SOCKET
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config NET_ICMPv6_PREALLOC_CONNS
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int "Preallocated ICMPv6 packet sockets"
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default 4
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---help---
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Number of ICMPv6 connections (all tasks).
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This number of connections will be pre-allocated during system boot.
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If dynamic connections allocation is enabled, more connections may
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be allocated at a later time, as the system needs them. Else this
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will be the maximum number of connections available to the system
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at all times.
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Set to 0 to disable (and rely only on dynamic allocations).
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config NET_ICMPv6_ALLOC_CONNS
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int "Dynamic ICMPv6 connections allocation"
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default 0
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---help---
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Dynamic memory allocations for ICMPv6.
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When set to 0 all dynamic allocations are disabled.
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When set to 1 a new connection will be allocated every time,
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and it will be free'd when no longer needed.
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Setting this to 2 or more will allocate the connections in
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batches (with batch size equal to this config). When a
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connection is no longer needed, it will be returned to the
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free connections pool, and it will never be deallocated!
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config NET_ICMPv6_MAX_CONNS
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int "Maximum number of ICMPv6 connections"
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default 0
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depends on NET_ICMPv6_ALLOC_CONNS > 0
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---help---
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If dynamic connections allocation is selected (NET_ICMPv6_ALLOC_CONNS > 0)
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this will limit the number of connections that can be allocated.
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This is useful in case the system is under very heavy load (or
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under attack), ensuring that the heap will not be exhausted.
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config NET_ICMPv6_NPOLLWAITERS
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int "Number of ICMPv6 poll waiters"
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default 1
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endif # NET_ICMPv6_SOCKET
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endif # NET_ICMPv6 && !NET_ICMPv6_NO_STACK
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endmenu # ICMPv6 Networking Support
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