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udhcp: fix config help text

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This commit is contained in:
Denis Vlasenko 2008-04-21 20:27:29 +00:00
parent 2d94992235
commit a4a93fdf18
1 changed files with 20 additions and 31 deletions
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51
networking/udhcp/Config.in
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@ -4,14 +4,12 @@
# #
config APP_UDHCPD config APP_UDHCPD
bool "udhcp Server (udhcpd)" bool "udhcp server (udhcpd)"
default n default n
help help
uDHCPd is a DHCP server geared primarily toward embedded systems, udhcpd is a DHCP server geared primarily toward embedded systems,
while striving to be fully functional and RFC compliant. while striving to be fully functional and RFC compliant.
See http://udhcp.busybox.net for further details.
config APP_DHCPRELAY config APP_DHCPRELAY
bool "dhcprelay" bool "dhcprelay"
default n default n
@ -30,16 +28,14 @@ config APP_DUMPLEASES
Lease times are stored in the file by time remaining in lease, or Lease times are stored in the file by time remaining in lease, or
by the absolute time that it expires in seconds from epoch. by the absolute time that it expires in seconds from epoch.
See http://udhcp.busybox.net for further details.
config FEATURE_UDHCPD_WRITE_LEASES_EARLY config FEATURE_UDHCPD_WRITE_LEASES_EARLY
bool "Rewrite the lease file at every new acknowledge" bool "Rewrite the lease file at every new acknowledge"
default n default n
depends on APP_UDHCPD depends on APP_UDHCPD
help help
If selected, udhcpd will write a new file with leases every If selected, udhcpd will write a new file with leases every
time a new lease has been accepted, thus eleminating the need time a new lease has been accepted, thus eliminating the need
to send SIGUSR1 for the initial writing, or updating. Any timed to send SIGUSR1 for the initial writing or updating. Any timed
rewriting remains undisturbed rewriting remains undisturbed
config DHCPD_LEASES_FILE config DHCPD_LEASES_FILE
@ -47,30 +43,28 @@ config DHCPD_LEASES_FILE
default "/var/lib/misc/udhcpd.leases" default "/var/lib/misc/udhcpd.leases"
depends on APP_UDHCPD depends on APP_UDHCPD
help help
The udhcpd stores address in lease files. Normaly it is save udhcpd stores addresses in a lease file. This is the absolute path
to leave it untouched. of the file. Normally it is safe to leave it untouched.
config APP_UDHCPC config APP_UDHCPC
bool "udhcp Client (udhcpc)" bool "udhcp client (udhcpc)"
default n default n
help help
uDHCPc is a DHCP client geared primarily toward embedded systems, udhcpc is a DHCP client geared primarily toward embedded systems,
while striving to be fully functional and RFC compliant. while striving to be fully functional and RFC compliant.
The udhcp client negotiates a lease with the DHCP server and The udhcp client negotiates a lease with the DHCP server and
notifies a set of scripts when a lease is obtained or lost. runs a script when a lease is obtained or lost.
See http://udhcp.busybox.net for further details.
config FEATURE_UDHCPC_ARPING config FEATURE_UDHCPC_ARPING
bool "Ask udhcpc to verify that the offered address is free, using arpping" bool "Verify that the offered address is free, using ARP ping"
default y default y
depends on APP_UDHCPC depends on APP_UDHCPC
help help
If selected, udhcpc will use arpping to make sure the offered address If selected, udhcpc will send ARP probes and make sure
is really available. The client will DHCPDECLINE the offer if the the offered address is really not in use by anyone. The client
address is in use, and restart the discover process. will DHCPDECLINE the offer if the address is in use,
and restart the discover process.
config FEATURE_UDHCP_PORT config FEATURE_UDHCP_PORT
bool "Enable '-P port' option for udhcpd and udhcpc" bool "Enable '-P port' option for udhcpd and udhcpc"
@ -85,11 +79,7 @@ config FEATURE_UDHCP_DEBUG
default n default n
depends on APP_UDHCPD || APP_UDHCPC depends on APP_UDHCPD || APP_UDHCPC
help help
If selected, udhcpd will output extra debugging output. If using If selected, udhcpd will output extra debugging output.
this option, compile uDHCP with "-g", and do not fork the daemon to
the background.
See http://udhcp.busybox.net for further details.
config FEATURE_RFC3397 config FEATURE_RFC3397
bool "Support for RFC3397 domain search (experimental)" bool "Support for RFC3397 domain search (experimental)"
@ -104,25 +94,24 @@ config DHCPC_DEFAULT_SCRIPT
default "/usr/share/udhcpc/default.script" default "/usr/share/udhcpc/default.script"
depends on APP_UDHCPC depends on APP_UDHCPC
help help
This script is called after udhcpc receives and answer. See This script is called after udhcpc receives an answer. See
examples/udhcp for a working example. Normaly it is save examples/udhcp for a working example. Normally it is safe
to leave this untouched. to leave this untouched.
config UDHCPC_SLACK_FOR_BUGGY_SERVERS config UDHCPC_SLACK_FOR_BUGGY_SERVERS
int "DHCP options slack buffer size" int "DHCP options slack buffer size"
default 80 default 80
range 0 924 range 0 924
depends on APP_UDHCPD || APP_UDHCPC depends on APP_UDHCPD || APP_UDHCPC
help help
Some buggy DHCP servers will send DHCP offer packets with option Some buggy DHCP servers send DHCP offer packets with option
field larger than we expect (which might also be considered a field larger than we expect (which might also be considered a
buffer overflow attempt). These packets are normally discarded. buffer overflow attempt). These packets are normally discarded.
If circumstances beyond your control force you to support such If circumstances beyond your control force you to support such
servers, this may help. The upper limit (924) makes dhcpc accept servers, this may help. The upper limit (924) makes dhcpc accept
even 1500 byte packets (maximum-sized ethernet packets). even 1500 byte packets (maximum-sized ethernet packets).
This options does not make dhcp[cd] emit non-standard This option does not make dhcp[cd] emit non-standard
sized packets. sized packets.
Known buggy DHCP servers: Known buggy DHCP servers:
@ -130,4 +119,4 @@ config UDHCPC_SLACK_FOR_BUGGY_SERVERS
seems to confuse maximum allowed UDP packet size with seems to confuse maximum allowed UDP packet size with
maximum size of entire IP packet, and sends packets which are maximum size of entire IP packet, and sends packets which are
28 bytes too large. 28 bytes too large.
Seednet (ISP) VDSL: sends packets 2 bytes too big. Seednet (ISP) VDSL: sends packets 2 bytes too large.