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Diffstat (limited to 'packages/busybox/busybox-kconfigs/busybox-networking-udhcp.kconfig')
| -rw-r--r-- | packages/busybox/busybox-kconfigs/busybox-networking-udhcp.kconfig | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/packages/busybox/busybox-kconfigs/busybox-networking-udhcp.kconfig b/packages/busybox/busybox-kconfigs/busybox-networking-udhcp.kconfig new file mode 100644 index 0000000..73fba1f --- /dev/null +++ b/packages/busybox/busybox-kconfigs/busybox-networking-udhcp.kconfig @@ -0,0 +1,148 @@ +# +# For a description of the syntax of this configuration file, +# see scripts/kbuild/config-language.txt. +# + +config KEMBTK_BUSYB_APP_UDHCPD + bool + default n + help + backward compatibility for busybox-1.1{3,4,5}.x + +config KEMBTK_BUSYB_APP_DHCPRELAY + bool + default n + help + backward compatibility for busybox-1.1{3,4,5}.x + +config KEMBTK_BUSYB_APP_DUMPLEASES + bool + default n + help + backward compatibility for busybox-1.1{3,4,5}.x + +config KEMBTK_BUSYB_APP_UDHCPC + bool + default n + help + backward compatibility for busybox-1.1{3,4,5}.x + +config KEMBTK_BUSYB_UDHCPD + bool "udhcp server (udhcpd)" + select KEMBTK_BUSYB_APP_UDHCPD + help + udhcpd is a DHCP server geared primarily toward embedded systems, + while striving to be fully functional and RFC compliant. + +config KEMBTK_BUSYB_DHCPRELAY + bool "dhcprelay" + depends on KEMBTK_BUSYB_UDHCPD + select KEMBTK_BUSYB_APP_DHCPRELAY + help + dhcprelay listens for dhcp requests on one or more interfaces + and forwards these requests to a different interface or dhcp + server. + +config KEMBTK_BUSYB_DUMPLEASES + bool "Lease display utility (dumpleases)" + depends on KEMBTK_BUSYB_UDHCPD + select KEMBTK_BUSYB_APP_DUMPLEASES + help + dumpleases displays the leases written out by the udhcpd server. + Lease times are stored in the file by time remaining in lease, or + by the absolute time that it expires in seconds from epoch. + +config KEMBTK_BUSYB_FEATURE_UDHCPD_WRITE_LEASES_EARLY + bool "Rewrite the lease file at every new acknowledge" + depends on KEMBTK_BUSYB_UDHCPD + help + If selected, udhcpd will write a new file with leases every + time a new lease has been accepted, thus eliminating the need + to send SIGUSR1 for the initial writing or updating. Any timed + rewriting remains undisturbed + +config KEMBTK_BUSYB_DHCPD_LEASES_FILE + string "Absolute path to lease file" + default "/var/lib/misc/udhcpd.leases" + depends on KEMBTK_BUSYB_UDHCPD + help + udhcpd stores addresses in a lease file. This is the absolute path + of the file. Normally it is safe to leave it untouched. + +config KEMBTK_BUSYB_UDHCPC + bool "udhcp client (udhcpc)" + select KEMBTK_BUSYB_APP_UDHCPC + help + udhcpc is a DHCP client geared primarily toward embedded systems, + while striving to be fully functional and RFC compliant. + + The udhcp client negotiates a lease with the DHCP server and + runs a script when a lease is obtained or lost. + +config KEMBTK_BUSYB_FEATURE_UDHCPC_ARPING + bool "Verify that the offered address is free, using KEMBTK_BUSYB_ARP ping" + default y + depends on KEMBTK_BUSYB_UDHCPC + help + If selected, udhcpc will send KEMBTK_BUSYB_ARP probes and make sure + the offered address is really not in use by anyone. The client + will DHCPDECLINE the offer if the address is in use, + and restart the discover process. + +config KEMBTK_BUSYB_FEATURE_UDHCP_PORT + bool "Enable '-P port' option for udhcpd and udhcpc" + depends on KEMBTK_BUSYB_UDHCPD || KEMBTK_BUSYB_UDHCPC + help + At the cost of ~300 bytes, enables -P port option. + This feature is typically not needed. + +config KEMBTK_BUSYB_UDHCP_DEBUG + int "Maximum verbosity level for udhcp applets (0..9)" + default 0 + range 0 9 + depends on KEMBTK_BUSYB_UDHCPD || KEMBTK_BUSYB_UDHCPC || KEMBTK_BUSYB_DHCPRELAY + help + Verbosity can be increased with multiple -v options. + This options controls how high it can be cranked up. + + Bigger values result in bigger code. Levels above 1 + are very verbose and useful for debugging only. + +config KEMBTK_BUSYB_FEATURE_UDHCP_RFC3397 + bool "Support for RFC3397 domain search (experimental)" + depends on KEMBTK_BUSYB_UDHCPD || KEMBTK_BUSYB_UDHCPC + help + If selected, both client and server will support passing of domain + search lists via option 119, specified in RFC3397. + +config KEMBTK_BUSYB_UDHCPC_DEFAULT_SCRIPT + string "Absolute path to config script" + default "/usr/share/udhcpc/default.script" + depends on KEMBTK_BUSYB_UDHCPC + help + This script is called after udhcpc receives an answer. See + examples/udhcp for a working example. Normally it is safe + to leave this untouched. + +config KEMBTK_BUSYB_UDHCPC_SLACK_FOR_BUGGY_SERVERS + int "DHCP options slack buffer size" + default 80 + range 0 924 + depends on KEMBTK_BUSYB_UDHCPD || KEMBTK_BUSYB_UDHCPC + help + Some buggy DHCP servers send DHCP offer packets with option + field larger than we expect (which might also be considered a + buffer overflow attempt). These packets are normally discarded. + If circumstances beyond your control force you to support such + servers, this may help. The upper limit (924) makes dhcpc accept + even 1500 byte packets (maximum-sized ethernet packets). + + This option does not make dhcp[cd] emit non-standard + sized packets. + + Known buggy DHCP servers: + 3Com OfficeConnect Remote 812 ADSL Router: + seems to confuse maximum allowed UDP packet size with + maximum size of entire KEMBTK_BUSYB_IP packet, and sends packets which are + 28 bytes too large. + Seednet (ISP) VDSL: sends packets 2 bytes too large. |