238 lines
7.5 KiB
Plaintext
238 lines
7.5 KiB
Plaintext
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# SPDX-License-Identifier: GPL-2.0-only
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config WIRELESS_EXT
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bool
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config WEXT_CORE
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def_bool y
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depends on CFG80211_WEXT || WIRELESS_EXT
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config WEXT_PROC
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def_bool y
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depends on PROC_FS
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depends on WEXT_CORE
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config WEXT_SPY
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bool
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config WEXT_PRIV
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bool
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config CFG80211
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tristate "cfg80211 - wireless configuration API"
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depends on RFKILL || !RFKILL
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select FW_LOADER
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select CRC32
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# may need to update this when certificates are changed and are
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# using a different algorithm, though right now they shouldn't
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# (this is here rather than below to allow it to be a module)
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select CRYPTO_SHA256 if CFG80211_USE_KERNEL_REGDB_KEYS
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help
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cfg80211 is the Linux wireless LAN (802.11) configuration API.
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Enable this if you have a wireless device.
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For more information refer to documentation on the wireless wiki:
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https://wireless.wiki.kernel.org/en/developers/Documentation/cfg80211
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When built as a module it will be called cfg80211.
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if CFG80211
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config NL80211_TESTMODE
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bool "nl80211 testmode command"
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help
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The nl80211 testmode command helps implementing things like
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factory calibration or validation tools for wireless chips.
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Select this option ONLY for kernels that are specifically
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built for such purposes.
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Debugging tools that are supposed to end up in the hands of
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users should better be implemented with debugfs.
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Say N.
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config CFG80211_DEVELOPER_WARNINGS
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bool "enable developer warnings"
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default n
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help
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This option enables some additional warnings that help
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cfg80211 developers and driver developers, but beware that
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they can also trigger due to races with userspace.
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For example, when a driver reports that it was disconnected
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from the AP, but the user disconnects manually at the same
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time, the warning might trigger spuriously due to races.
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Say Y only if you are developing cfg80211 or a driver based
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on it (or mac80211).
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config CFG80211_CERTIFICATION_ONUS
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bool "cfg80211 certification onus"
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depends on EXPERT
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default n
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help
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You should disable this option unless you are both capable
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and willing to ensure your system will remain regulatory
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compliant with the features available under this option.
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Some options may still be under heavy development and
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for whatever reason regulatory compliance has not or
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cannot yet be verified. Regulatory verification may at
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times only be possible until you have the final system
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in place.
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This option should only be enabled by system integrators
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or distributions that have done work necessary to ensure
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regulatory certification on the system with the enabled
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features. Alternatively you can enable this option if
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you are a wireless researcher and are working in a controlled
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and approved environment by your local regulatory agency.
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config CFG80211_REQUIRE_SIGNED_REGDB
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bool "require regdb signature" if CFG80211_CERTIFICATION_ONUS
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default y
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select SYSTEM_DATA_VERIFICATION
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help
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Require that in addition to the "regulatory.db" file a
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"regulatory.db.p7s" can be loaded with a valid PKCS#7
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signature for the regulatory.db file made by one of the
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keys in the certs/ directory.
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config CFG80211_USE_KERNEL_REGDB_KEYS
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bool "allow regdb keys shipped with the kernel" if CFG80211_CERTIFICATION_ONUS
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default y
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depends on CFG80211_REQUIRE_SIGNED_REGDB
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help
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Allow the regulatory database to be signed by one of the keys for
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which certificates are part of the kernel sources
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(in net/wireless/certs/).
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This is currently only Seth Forshee's key, who is the regulatory
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database maintainer.
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config CFG80211_EXTRA_REGDB_KEYDIR
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string "additional regdb key directory" if CFG80211_CERTIFICATION_ONUS
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depends on CFG80211_REQUIRE_SIGNED_REGDB
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help
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If selected, point to a directory with DER-encoded X.509
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certificates like in the kernel sources (net/wireless/certs/)
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that shall be accepted for a signed regulatory database.
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Note that you need to also select the correct CRYPTO_<hash> modules
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for your certificates, and if cfg80211 is built-in they also must be.
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config CFG80211_REG_CELLULAR_HINTS
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bool "cfg80211 regulatory support for cellular base station hints"
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depends on CFG80211_CERTIFICATION_ONUS
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help
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This option enables support for parsing regulatory hints
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from cellular base stations. If enabled and at least one driver
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claims support for parsing cellular base station hints the
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regulatory core will allow and parse these regulatory hints.
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The regulatory core will only apply these regulatory hints on
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drivers that support this feature. You should only enable this
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feature if you have tested and validated this feature on your
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systems.
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config CFG80211_REG_RELAX_NO_IR
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bool "cfg80211 support for NO_IR relaxation"
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depends on CFG80211_CERTIFICATION_ONUS
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help
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This option enables support for relaxation of the NO_IR flag for
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situations that certain regulatory bodies have provided clarifications
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on how relaxation can occur. This feature has an inherent dependency on
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userspace features which must have been properly tested and as such is
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not enabled by default.
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A relaxation feature example is allowing the operation of a P2P group
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owner (GO) on channels marked with NO_IR if there is an additional BSS
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interface which associated to an AP which userspace assumes or confirms
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to be an authorized master, i.e., with radar detection support and DFS
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capabilities. However, note that in order to not create daisy chain
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scenarios, this relaxation is not allowed in cases where the BSS client
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is associated to P2P GO and in addition the P2P GO instantiated on
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a channel due to this relaxation should not allow connection from
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non P2P clients.
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The regulatory core will apply these relaxations only for drivers that
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support this feature by declaring the appropriate channel flags and
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capabilities in their registration flow.
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config CFG80211_DEFAULT_PS
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bool "enable powersave by default"
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default y
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help
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This option enables powersave mode by default.
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If this causes your applications to misbehave you should fix your
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applications instead -- they need to register their network
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latency requirement, see Documentation/power/pm_qos_interface.rst.
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config CFG80211_DEBUGFS
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bool "cfg80211 DebugFS entries"
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depends on DEBUG_FS
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help
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You can enable this if you want debugfs entries for cfg80211.
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If unsure, say N.
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config CFG80211_CRDA_SUPPORT
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bool "support CRDA" if EXPERT
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default y
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help
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You should enable this option unless you know for sure you have no
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need for it, for example when using the regulatory database loaded as
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a firmware file.
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If unsure, say Y.
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config CFG80211_WEXT
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bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
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select WEXT_CORE
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default y if CFG80211_WEXT_EXPORT
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help
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Enable this option if you need old userspace for wireless
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extensions with cfg80211-based drivers.
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config CFG80211_WEXT_EXPORT
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bool
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help
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Drivers should select this option if they require cfg80211's
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wext compatibility symbols to be exported.
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endif # CFG80211
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config LIB80211
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tristate
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default n
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help
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This options enables a library of common routines used
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by IEEE802.11 wireless LAN drivers.
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Drivers should select this themselves if needed.
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config LIB80211_CRYPT_WEP
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tristate
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select CRYPTO_LIB_ARC4
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config LIB80211_CRYPT_CCMP
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tristate
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select CRYPTO
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select CRYPTO_AES
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select CRYPTO_CCM
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config LIB80211_CRYPT_TKIP
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tristate
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select CRYPTO_LIB_ARC4
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config LIB80211_DEBUG
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bool "lib80211 debugging messages"
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depends on LIB80211
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default n
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help
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You can enable this if you want verbose debugging messages
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from lib80211.
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If unsure, say N.
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