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237 lines
7.5 KiB
237 lines
7.5 KiB
# 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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