161 lines
6.0 KiB
Plaintext
161 lines
6.0 KiB
Plaintext
# DO NOT EDIT. This file is generated from Config.src
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#
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# For a description of the syntax of this configuration file,
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# see scripts/kbuild/config-language.txt.
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#
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config BUSYBOX_CONFIG_UDHCPC6
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bool "udhcp client for DHCPv6 (udhcpc6)"
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default BUSYBOX_DEFAULT_UDHCPC6 # not yet ready
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depends on BUSYBOX_CONFIG_FEATURE_IPV6
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help
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udhcpc6 is a DHCPv6 client
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config BUSYBOX_CONFIG_UDHCPD
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bool "udhcp server (udhcpd)"
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default BUSYBOX_DEFAULT_UDHCPD
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select BUSYBOX_CONFIG_PLATFORM_LINUX
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help
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udhcpd is a DHCP server geared primarily toward embedded systems,
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while striving to be fully functional and RFC compliant.
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config BUSYBOX_CONFIG_DHCPRELAY
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bool "dhcprelay"
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default BUSYBOX_DEFAULT_DHCPRELAY
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depends on BUSYBOX_CONFIG_UDHCPD
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help
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dhcprelay listens for dhcp requests on one or more interfaces
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and forwards these requests to a different interface or dhcp
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server.
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config BUSYBOX_CONFIG_DUMPLEASES
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bool "Lease display utility (dumpleases)"
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default BUSYBOX_DEFAULT_DUMPLEASES
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depends on BUSYBOX_CONFIG_UDHCPD
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help
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dumpleases displays the leases written out by the udhcpd server.
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Lease times are stored in the file by time remaining in lease, or
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by the absolute time that it expires in seconds from epoch.
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config BUSYBOX_CONFIG_FEATURE_UDHCPD_WRITE_LEASES_EARLY
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bool "Rewrite the lease file at every new acknowledge"
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default BUSYBOX_DEFAULT_FEATURE_UDHCPD_WRITE_LEASES_EARLY
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depends on BUSYBOX_CONFIG_UDHCPD
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help
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If selected, udhcpd will write a new file with leases every
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time a new lease has been accepted, thus eliminating the need
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to send SIGUSR1 for the initial writing or updating. Any timed
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rewriting remains undisturbed.
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config BUSYBOX_CONFIG_FEATURE_UDHCPD_BASE_IP_ON_MAC
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bool "Select IP address based on client MAC"
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default BUSYBOX_DEFAULT_FEATURE_UDHCPD_BASE_IP_ON_MAC
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depends on BUSYBOX_CONFIG_UDHCPD
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help
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If selected, udhcpd will base its selection of IP address to offer
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on the client's hardware address. Otherwise udhcpd uses the next
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consecutive free address.
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This reduces the frequency of IP address changes for clients
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which let their lease expire, and makes consecutive DHCPOFFERS
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for the same client to (almost always) contain the same
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IP address.
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config BUSYBOX_CONFIG_DHCPD_LEASES_FILE
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string "Absolute path to lease file"
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default BUSYBOX_DEFAULT_DHCPD_LEASES_FILE
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depends on BUSYBOX_CONFIG_UDHCPD
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help
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udhcpd stores addresses in a lease file. This is the absolute path
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of the file. Normally it is safe to leave it untouched.
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config BUSYBOX_CONFIG_UDHCPC
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bool "udhcp client (udhcpc)"
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default BUSYBOX_DEFAULT_UDHCPC
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select BUSYBOX_CONFIG_PLATFORM_LINUX
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help
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udhcpc is a DHCP client geared primarily toward embedded systems,
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while striving to be fully functional and RFC compliant.
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The udhcp client negotiates a lease with the DHCP server and
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runs a script when a lease is obtained or lost.
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config BUSYBOX_CONFIG_FEATURE_UDHCPC_ARPING
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bool "Verify that the offered address is free, using ARP ping"
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default BUSYBOX_DEFAULT_FEATURE_UDHCPC_ARPING
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depends on BUSYBOX_CONFIG_UDHCPC
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help
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If selected, udhcpc will send ARP probes and make sure
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the offered address is really not in use by anyone. The client
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will DHCPDECLINE the offer if the address is in use,
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and restart the discover process.
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config BUSYBOX_CONFIG_FEATURE_UDHCP_PORT
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bool "Enable '-P port' option for udhcpd and udhcpc"
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default BUSYBOX_DEFAULT_FEATURE_UDHCP_PORT
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depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
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help
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At the cost of ~300 bytes, enables -P port option.
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This feature is typically not needed.
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config BUSYBOX_CONFIG_UDHCP_DEBUG
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int "Maximum verbosity level for udhcp applets (0..9)"
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default BUSYBOX_DEFAULT_UDHCP_DEBUG
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range 0 9
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depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC || BUSYBOX_CONFIG_DHCPRELAY
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help
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Verbosity can be increased with multiple -v options.
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This option controls how high it can be cranked up.
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Bigger values result in bigger code. Levels above 1
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are very verbose and useful for debugging only.
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config BUSYBOX_CONFIG_FEATURE_UDHCP_RFC3397
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bool "Support for RFC3397 domain search (experimental)"
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default BUSYBOX_DEFAULT_FEATURE_UDHCP_RFC3397
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depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
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help
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If selected, both client and server will support passing of domain
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search lists via option 119, specified in RFC 3397,
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and SIP servers option 120, specified in RFC 3361.
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config BUSYBOX_CONFIG_FEATURE_UDHCP_8021Q
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bool "Support for 802.1Q VLAN parameters"
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default BUSYBOX_DEFAULT_FEATURE_UDHCP_8021Q
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depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
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help
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If selected, both client and server will support passing of VLAN
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ID and priority via options 132 and 133 as per 802.1Q.
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config BUSYBOX_CONFIG_UDHCPC_DEFAULT_SCRIPT
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string "Absolute path to config script"
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default BUSYBOX_DEFAULT_UDHCPC_DEFAULT_SCRIPT
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depends on BUSYBOX_CONFIG_UDHCPC
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help
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This script is called after udhcpc receives an answer. See
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examples/udhcp for a working example. Normally it is safe
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to leave this untouched.
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config BUSYBOX_CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS
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int "DHCP options slack buffer size"
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default BUSYBOX_DEFAULT_UDHCPC_SLACK_FOR_BUGGY_SERVERS
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range 0 924
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depends on BUSYBOX_CONFIG_UDHCPD || BUSYBOX_CONFIG_UDHCPC
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help
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Some buggy DHCP servers send DHCP offer packets with option
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field larger than we expect (which might also be considered a
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buffer overflow attempt). These packets are normally discarded.
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If circumstances beyond your control force you to support such
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servers, this may help. The upper limit (924) makes dhcpc accept
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even 1500 byte packets (maximum-sized ethernet packets).
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This option does not make dhcp[cd] emit non-standard
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sized packets.
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Known buggy DHCP servers:
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3Com OfficeConnect Remote 812 ADSL Router:
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seems to confuse maximum allowed UDP packet size with
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maximum size of entire IP packet, and sends packets which are
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28 bytes too large.
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Seednet (ISP) VDSL: sends packets 2 bytes too large.
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