# SPDX-License-Identifier: GPL-2.0-only
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config MAC80211
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tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
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depends on CFG80211
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select CRYPTO
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select CRYPTO_LIB_ARC4
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select CRYPTO_AES
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select CRYPTO_CCM
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select CRYPTO_GCM
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select CRYPTO_CMAC
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select CRC32
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help
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This option enables the hardware independent IEEE 802.11
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networking stack.
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comment "CFG80211 needs to be enabled for MAC80211"
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depends on CFG80211=n
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if MAC80211 != n
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config MAC80211_HAS_RC
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bool
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config MAC80211_RC_MINSTREL
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bool "Minstrel" if EXPERT
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select MAC80211_HAS_RC
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default y
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help
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This option enables the 'minstrel' TX rate control algorithm
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choice
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prompt "Default rate control algorithm"
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depends on MAC80211_HAS_RC
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default MAC80211_RC_DEFAULT_MINSTREL
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help
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This option selects the default rate control algorithm
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mac80211 will use. Note that this default can still be
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overridden through the ieee80211_default_rc_algo module
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parameter if different algorithms are available.
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config MAC80211_RC_DEFAULT_MINSTREL
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bool "Minstrel"
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depends on MAC80211_RC_MINSTREL
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help
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Select Minstrel as the default rate control algorithm.
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endchoice
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config MAC80211_RC_DEFAULT
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string
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default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL
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default ""
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endif
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comment "Some wireless drivers require a rate control algorithm"
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depends on MAC80211 && MAC80211_HAS_RC=n
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config MAC80211_MESH
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bool "Enable mac80211 mesh networking support"
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depends on MAC80211
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help
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Select this option to enable 802.11 mesh operation in mac80211
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drivers that support it. 802.11 mesh connects multiple stations
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over (possibly multi-hop) wireless links to form a single logical
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LAN.
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config MAC80211_LEDS
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bool "Enable LED triggers"
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depends on MAC80211
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depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211
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select LEDS_TRIGGERS
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help
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This option enables a few LED triggers for different
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packet receive/transmit events.
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config MAC80211_DEBUGFS
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bool "Export mac80211 internals in DebugFS"
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depends on MAC80211 && DEBUG_FS
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help
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Select this to see extensive information about
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the internal state of mac80211 in debugfs.
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Say N unless you know you need this.
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config MAC80211_MESSAGE_TRACING
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bool "Trace all mac80211 debug messages"
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depends on MAC80211
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help
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Select this option to have mac80211 register the
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mac80211_msg trace subsystem with tracepoints to
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collect all debugging messages, independent of
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printing them into the kernel log.
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The overhead in this option is that all the messages
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need to be present in the binary and formatted at
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runtime for tracing.
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menuconfig MAC80211_DEBUG_MENU
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bool "Select mac80211 debugging features"
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depends on MAC80211
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help
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This option collects various mac80211 debug settings.
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config MAC80211_NOINLINE
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bool "Do not inline TX/RX handlers"
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depends on MAC80211_DEBUG_MENU
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help
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This option affects code generation in mac80211, when
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selected some functions are marked "noinline" to allow
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easier debugging of problems in the transmit and receive
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paths.
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This option increases code size a bit and inserts a lot
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of function calls in the code, but is otherwise safe to
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enable.
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If unsure, say N unless you expect to be finding problems
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in mac80211.
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config MAC80211_VERBOSE_DEBUG
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bool "Verbose debugging output"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out
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many debugging messages. It should not be selected
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on production systems as some of the messages are
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remotely triggerable.
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Do not select this option.
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config MAC80211_MLME_DEBUG
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bool "Verbose managed MLME output"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out
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debugging messages for the managed-mode MLME. It
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should not be selected on production systems as some
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of the messages are remotely triggerable.
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Do not select this option.
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config MAC80211_STA_DEBUG
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bool "Verbose station debugging"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out
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debugging messages for station addition/removal.
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Do not select this option.
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config MAC80211_HT_DEBUG
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bool "Verbose HT debugging"
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depends on MAC80211_DEBUG_MENU
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help
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This option enables 802.11n High Throughput features
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debug tracing output.
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It should not be selected on production systems as some
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of the messages are remotely triggerable.
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Do not select this option.
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config MAC80211_OCB_DEBUG
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bool "Verbose OCB debugging"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out
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very verbose OCB debugging messages. It should not
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be selected on production systems as those messages
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are remotely triggerable.
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Do not select this option.
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config MAC80211_IBSS_DEBUG
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bool "Verbose IBSS debugging"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out
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very verbose IBSS debugging messages. It should not
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be selected on production systems as those messages
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are remotely triggerable.
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Do not select this option.
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config MAC80211_PS_DEBUG
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bool "Verbose powersave mode debugging"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out very
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verbose power save mode debugging messages (when mac80211
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is an AP and has power saving stations.)
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It should not be selected on production systems as those
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messages are remotely triggerable.
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Do not select this option.
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config MAC80211_MPL_DEBUG
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bool "Verbose mesh peer link debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very
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verbose mesh peer link debugging messages (when mac80211
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is taking part in a mesh network).
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It should not be selected on production systems as those
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messages are remotely triggerable.
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Do not select this option.
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config MAC80211_MPATH_DEBUG
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bool "Verbose mesh path debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very
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verbose mesh path selection debugging messages (when mac80211
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is taking part in a mesh network).
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It should not be selected on production systems as those
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messages are remotely triggerable.
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Do not select this option.
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config MAC80211_MHWMP_DEBUG
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bool "Verbose mesh HWMP routing debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very
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verbose mesh routing (HWMP) debugging messages (when mac80211
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is taking part in a mesh network).
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It should not be selected on production systems as those
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messages are remotely triggerable.
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Do not select this option.
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config MAC80211_MESH_SYNC_DEBUG
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bool "Verbose mesh synchronization debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very verbose mesh
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synchronization debugging messages (when mac80211 is taking part in a
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mesh network).
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Do not select this option.
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config MAC80211_MESH_CSA_DEBUG
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bool "Verbose mesh channel switch debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very verbose mesh
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channel switch debugging messages (when mac80211 is taking part in a
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mesh network).
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Do not select this option.
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config MAC80211_MESH_PS_DEBUG
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bool "Verbose mesh powersave debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_MESH
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help
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Selecting this option causes mac80211 to print out very verbose mesh
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powersave debugging messages (when mac80211 is taking part in a
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mesh network).
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Do not select this option.
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config MAC80211_TDLS_DEBUG
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bool "Verbose TDLS debugging"
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depends on MAC80211_DEBUG_MENU
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help
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Selecting this option causes mac80211 to print out very
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verbose TDLS selection debugging messages (when mac80211
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is a TDLS STA).
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It should not be selected on production systems as those
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messages are remotely triggerable.
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Do not select this option.
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config MAC80211_DEBUG_COUNTERS
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bool "Extra statistics for TX/RX debugging"
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depends on MAC80211_DEBUG_MENU
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depends on MAC80211_DEBUGFS
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help
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Selecting this option causes mac80211 to keep additional
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and very verbose statistics about TX and RX handler use
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as well as a few selected dot11 counters. These will be
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exposed in debugfs.
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Note that some of the counters are not concurrency safe
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and may thus not always be accurate.
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If unsure, say N.
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config MAC80211_STA_HASH_MAX_SIZE
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int "Station hash table maximum size" if MAC80211_DEBUG_MENU
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default 0
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help
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Setting this option to a low value (e.g. 4) allows testing the
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hash table with collisions relatively deterministically (just
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connect more stations than the number selected here.)
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If unsure, leave the default of 0.
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