[3320] | 1 | # DO NOT EDIT. This file is generated from Config.src
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| 2 | #
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| 3 | # For a description of the syntax of this configuration file,
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| 4 | # see scripts/kbuild/config-language.txt.
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| 5 | #
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| 6 |
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| 7 |
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| 8 |
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| 9 | config UDHCPD
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| 10 | bool "udhcp server (udhcpd)"
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| 11 | default y
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| 12 | depends on PLATFORM_LINUX
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| 13 | help
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| 14 | udhcpd is a DHCP server geared primarily toward embedded systems,
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| 15 | while striving to be fully functional and RFC compliant.
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| 16 |
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| 17 | config DHCPRELAY
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| 18 | bool "dhcprelay"
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| 19 | default y
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| 20 | depends on UDHCPD
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| 21 | help
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| 22 | dhcprelay listens for dhcp requests on one or more interfaces
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| 23 | and forwards these requests to a different interface or dhcp
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| 24 | server.
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| 25 |
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| 26 | config DUMPLEASES
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| 27 | bool "Lease display utility (dumpleases)"
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| 28 | default y
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| 29 | depends on UDHCPD
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| 30 | help
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| 31 | dumpleases displays the leases written out by the udhcpd server.
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| 32 | Lease times are stored in the file by time remaining in lease, or
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| 33 | by the absolute time that it expires in seconds from epoch.
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| 34 |
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| 35 | config FEATURE_UDHCPD_WRITE_LEASES_EARLY
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| 36 | bool "Rewrite the lease file at every new acknowledge"
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| 37 | default y
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| 38 | depends on UDHCPD
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| 39 | help
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| 40 | If selected, udhcpd will write a new file with leases every
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| 41 | time a new lease has been accepted, thus eliminating the need
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| 42 | to send SIGUSR1 for the initial writing or updating. Any timed
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| 43 | rewriting remains undisturbed
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| 44 |
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| 45 | config DHCPD_LEASES_FILE
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| 46 | string "Absolute path to lease file"
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| 47 | default "/var/lib/misc/udhcpd.leases"
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| 48 | depends on UDHCPD
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| 49 | help
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| 50 | udhcpd stores addresses in a lease file. This is the absolute path
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| 51 | of the file. Normally it is safe to leave it untouched.
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| 52 |
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| 53 | config UDHCPC
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| 54 | bool "udhcp client (udhcpc)"
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| 55 | default y
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| 56 | depends on PLATFORM_LINUX
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| 57 | help
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| 58 | udhcpc is a DHCP client geared primarily toward embedded systems,
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| 59 | while striving to be fully functional and RFC compliant.
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| 60 |
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| 61 | The udhcp client negotiates a lease with the DHCP server and
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| 62 | runs a script when a lease is obtained or lost.
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| 63 |
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| 64 | config FEATURE_UDHCPC_ARPING
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| 65 | bool "Verify that the offered address is free, using ARP ping"
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| 66 | default y
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| 67 | depends on UDHCPC
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| 68 | help
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| 69 | If selected, udhcpc will send ARP probes and make sure
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| 70 | the offered address is really not in use by anyone. The client
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| 71 | will DHCPDECLINE the offer if the address is in use,
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| 72 | and restart the discover process.
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| 73 |
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| 74 | config FEATURE_UDHCP_PORT
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| 75 | bool "Enable '-P port' option for udhcpd and udhcpc"
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| 76 | default y
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| 77 | depends on UDHCPD || UDHCPC
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| 78 | help
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| 79 | At the cost of ~300 bytes, enables -P port option.
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| 80 | This feature is typically not needed.
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| 81 |
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| 82 | config UDHCP_DEBUG
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| 83 | int "Maximum verbosity level for udhcp applets (0..9)"
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| 84 | default 9
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| 85 | range 0 9
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| 86 | depends on UDHCPD || UDHCPC || DHCPRELAY
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| 87 | help
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| 88 | Verbosity can be increased with multiple -v options.
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| 89 | This option controls how high it can be cranked up.
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| 90 |
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| 91 | Bigger values result in bigger code. Levels above 1
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| 92 | are very verbose and useful for debugging only.
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| 93 |
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| 94 | config FEATURE_UDHCP_RFC3397
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| 95 | bool "Support for RFC3397 domain search (experimental)"
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| 96 | default y
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| 97 | depends on UDHCPD || UDHCPC
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| 98 | help
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| 99 | If selected, both client and server will support passing of domain
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| 100 | search lists via option 119, specified in RFC 3397,
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| 101 | and SIP servers option 120, specified in RFC 3361.
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| 102 |
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| 103 | config UDHCPC_DEFAULT_SCRIPT
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| 104 | string "Absolute path to config script"
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| 105 | default "/usr/share/udhcpc/default.script"
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| 106 | depends on UDHCPC
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| 107 | help
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| 108 | This script is called after udhcpc receives an answer. See
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| 109 | examples/udhcp for a working example. Normally it is safe
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| 110 | to leave this untouched.
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| 111 |
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| 112 | config UDHCPC_SLACK_FOR_BUGGY_SERVERS
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| 113 | int "DHCP options slack buffer size"
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| 114 | default 80
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| 115 | range 0 924
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| 116 | depends on UDHCPD || UDHCPC
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| 117 | help
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| 118 | Some buggy DHCP servers send DHCP offer packets with option
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| 119 | field larger than we expect (which might also be considered a
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| 120 | buffer overflow attempt). These packets are normally discarded.
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| 121 | If circumstances beyond your control force you to support such
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| 122 | servers, this may help. The upper limit (924) makes dhcpc accept
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| 123 | even 1500 byte packets (maximum-sized ethernet packets).
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| 124 |
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| 125 | This option does not make dhcp[cd] emit non-standard
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| 126 | sized packets.
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| 127 |
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| 128 | Known buggy DHCP servers:
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| 129 | 3Com OfficeConnect Remote 812 ADSL Router:
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| 130 | seems to confuse maximum allowed UDP packet size with
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| 131 | maximum size of entire IP packet, and sends packets which are
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| 132 | 28 bytes too large.
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| 133 | Seednet (ISP) VDSL: sends packets 2 bytes too large.
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