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config CFG80211
tristate "cfg80211 - wireless configuration API"
depends on RFKILL || !RFKILL
cfg80211 is the Linux wireless LAN (802.11) configuration API.
Enable this if you have a wireless device.
For more information refer to documentation on the wireless wiki:
When built as a module it will be called cfg80211.
config NL80211_TESTMODE
bool "nl80211 testmode command"
depends on CFG80211
The nl80211 testmode command helps implementing things like
factory calibration or validation tools for wireless chips.
Select this option ONLY for kernels that are specifically
built for such purposes.
Debugging tools that are supposed to end up in the hands of
users should better be implemented with debugfs.
Say N.
bool "enable developer warnings"
depends on CFG80211
default n
This option enables some additional warnings that help
cfg80211 developers and driver developers, but that can
trigger due to races with userspace.
For example, when a driver reports that it was disconnected
from the AP, but the user disconnects manually at the same
time, the warning might trigger spuriously due to races.
Say Y only if you are developing cfg80211 or a driver based
on it (or mac80211).
config CFG80211_REG_DEBUG
bool "cfg80211 regulatory debugging"
depends on CFG80211
default n
You can enable this if you want to debug regulatory changes.
For more information on cfg80211 regulatory refer to the wireless
If unsure, say N.
config CFG80211_DEFAULT_PS
bool "enable powersave by default"
depends on CFG80211
default y
This option enables powersave mode by default.
If this causes your applications to misbehave you should fix your
applications instead -- they need to register their network
latency requirement, see Documentation/power/pm_qos_interface.txt.
default 1 if CFG80211_DEFAULT_PS
default 0
config CFG80211_DEBUGFS
bool "cfg80211 DebugFS entries"
depends on CFG80211 && DEBUG_FS
You can enable this if you want to debugfs entries for cfg80211.
If unsure, say N.
bool "Old wireless static regulatory definitions"
default n
This option enables the old static regulatory information
and uses it within the new framework. This option is available
for historical reasons and it is advised to leave it off.
For details see:
Say N and if you say Y, please tell us why. The default is N.
bool "Wireless extensions"
default y
This option enables the legacy wireless extensions
(wireless network interface configuration via ioctls.)
Say Y unless you've upgraded all your userspace to use
nl80211 instead of wireless extensions.
bool "Wireless extensions sysfs files"
default y
depends on WIRELESS_EXT && SYSFS
This option enables the deprecated wireless statistics
files in /sys/class/net/*/wireless/. The same information
is available via the ioctls as well.
Say Y if you have programs using it, like old versions of
config LIB80211
tristate "Common routines for IEEE802.11 drivers"
default n
This options enables a library of common routines used
by IEEE802.11 wireless LAN drivers.
Drivers should select this themselves if needed. Say Y if
you want this built into your kernel.
config LIB80211_CRYPT_WEP
config LIB80211_CRYPT_CCMP
config LIB80211_CRYPT_TKIP
config LIB80211_DEBUG
bool "lib80211 debugging messages"
depends on LIB80211
default n
You can enable this if you want verbose debugging messages
from lib80211.
If unsure, say N.