net/mac80211/Kconfig

   1 config MAC80211
   2         tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
   3         depends on CFG80211
   4         select CRYPTO
   5         select CRYPTO_ARC4
   6         select CRYPTO_AES
   7         select CRYPTO_CCM
   8         select CRYPTO_GCM
   9         select CRC32
  10         select AVERAGE
  11         ---help---
  12           This option enables the hardware independent IEEE 802.11
  13           networking stack.
  14
  15 comment "CFG80211 needs to be enabled for MAC80211"
  16         depends on CFG80211=n
  17
  18 if MAC80211 != n
  19
  20 config MAC80211_HAS_RC
  21         bool
  22
  23 config MAC80211_RC_MINSTREL
  24         bool "Minstrel" if EXPERT
  25         select MAC80211_HAS_RC
  26         default y
  27         ---help---
  28           This option enables the 'minstrel' TX rate control algorithm
  29
  30 config MAC80211_RC_MINSTREL_HT
  31         bool "Minstrel 802.11n support" if EXPERT
  32         depends on MAC80211_RC_MINSTREL
  33         default y
  34         ---help---
  35           This option enables the 'minstrel_ht' TX rate control algorithm
  36
  37 config MAC80211_RC_MINSTREL_VHT
  38         bool "Minstrel 802.11ac support" if EXPERT
  39         depends on MAC80211_RC_MINSTREL_HT
  40         default n
  41         ---help---
  42           This option enables VHT in the 'minstrel_ht' TX rate control algorithm
  43
  44 choice
  45         prompt "Default rate control algorithm"
  46         depends on MAC80211_HAS_RC
  47         default MAC80211_RC_DEFAULT_MINSTREL
  48         ---help---
  49           This option selects the default rate control algorithm
  50           mac80211 will use. Note that this default can still be
  51           overridden through the ieee80211_default_rc_algo module
  52           parameter if different algorithms are available.
  53
  54 config MAC80211_RC_DEFAULT_MINSTREL
  55         bool "Minstrel"
  56         depends on MAC80211_RC_MINSTREL
  57         ---help---
  58           Select Minstrel as the default rate control algorithm.
  59
  60
  61 endchoice
  62
  63 config MAC80211_RC_DEFAULT
  64         string
  65         default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL && MAC80211_RC_MINSTREL_HT
  66         default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
  67         default ""
  68
  69 endif
  70
  71 comment "Some wireless drivers require a rate control algorithm"
  72         depends on MAC80211 && MAC80211_HAS_RC=n
  73
  74 config MAC80211_MESH
  75         bool "Enable mac80211 mesh networking (pre-802.11s) support"
  76         depends on MAC80211
  77         ---help---
  78          This options enables support of Draft 802.11s mesh networking.
  79          The implementation is based on Draft 2.08 of the Mesh Networking
  80          amendment.  However, no compliance with that draft is claimed or even
  81          possible, as drafts leave a number of identifiers to be defined after
  82          ratification.  For more information visit http://o11s.org/.
  83
  84 config MAC80211_LEDS
  85         bool "Enable LED triggers"
  86         depends on MAC80211
  87         depends on LEDS_CLASS
  88         select LEDS_TRIGGERS
  89         ---help---
  90           This option enables a few LED triggers for different
  91           packet receive/transmit events.
  92
  93 config MAC80211_DEBUGFS
  94         bool "Export mac80211 internals in DebugFS"
  95         depends on MAC80211 && DEBUG_FS
  96         ---help---
  97           Select this to see extensive information about
  98           the internal state of mac80211 in debugfs.
  99
 100           Say N unless you know you need this.
 101
 102 config MAC80211_MESSAGE_TRACING
 103         bool "Trace all mac80211 debug messages"
 104         depends on MAC80211
 105         ---help---
 106           Select this option to have mac80211 register the
 107           mac80211_msg trace subsystem with tracepoints to
 108           collect all debugging messages, independent of
 109           printing them into the kernel log.
 110
 111           The overhead in this option is that all the messages
 112           need to be present in the binary and formatted at
 113           runtime for tracing.
 114
 115 menuconfig MAC80211_DEBUG_MENU
 116         bool "Select mac80211 debugging features"
 117         depends on MAC80211
 118         ---help---
 119           This option collects various mac80211 debug settings.
 120
 121 config MAC80211_NOINLINE
 122         bool "Do not inline TX/RX handlers"
 123         depends on MAC80211_DEBUG_MENU
 124         ---help---
 125           This option affects code generation in mac80211, when
 126           selected some functions are marked "noinline" to allow
 127           easier debugging of problems in the transmit and receive
 128           paths.
 129
 130           This option increases code size a bit and inserts a lot
 131           of function calls in the code, but is otherwise safe to
 132           enable.
 133
 134           If unsure, say N unless you expect to be finding problems
 135           in mac80211.
 136
 137 config MAC80211_VERBOSE_DEBUG
 138         bool "Verbose debugging output"
 139         depends on MAC80211_DEBUG_MENU
 140         ---help---
 141           Selecting this option causes mac80211 to print out
 142           many debugging messages. It should not be selected
 143           on production systems as some of the messages are
 144           remotely triggerable.
 145
 146           Do not select this option.
 147
 148 config MAC80211_MLME_DEBUG
 149         bool "Verbose managed MLME output"
 150         depends on MAC80211_DEBUG_MENU
 151         ---help---
 152           Selecting this option causes mac80211 to print out
 153           debugging messages for the managed-mode MLME. It
 154           should not be selected on production systems as some
 155           of the messages are remotely triggerable.
 156
 157           Do not select this option.
 158
 159 config MAC80211_STA_DEBUG
 160         bool "Verbose station debugging"
 161         depends on MAC80211_DEBUG_MENU
 162         ---help---
 163           Selecting this option causes mac80211 to print out
 164           debugging messages for station addition/removal.
 165
 166           Do not select this option.
 167
 168 config MAC80211_HT_DEBUG
 169         bool "Verbose HT debugging"
 170         depends on MAC80211_DEBUG_MENU
 171         ---help---
 172           This option enables 802.11n High Throughput features
 173           debug tracing output.
 174
 175           It should not be selected on production systems as some
 176           of the messages are remotely triggerable.
 177
 178           Do not select this option.
 179
 180 config MAC80211_OCB_DEBUG
 181         bool "Verbose OCB debugging"
 182         depends on MAC80211_DEBUG_MENU
 183         ---help---
 184           Selecting this option causes mac80211 to print out
 185           very verbose OCB debugging messages. It should not
 186           be selected on production systems as those messages
 187           are remotely triggerable.
 188
 189           Do not select this option.
 190
 191 config MAC80211_IBSS_DEBUG
 192         bool "Verbose IBSS debugging"
 193         depends on MAC80211_DEBUG_MENU
 194         ---help---
 195           Selecting this option causes mac80211 to print out
 196           very verbose IBSS debugging messages. It should not
 197           be selected on production systems as those messages
 198           are remotely triggerable.
 199
 200           Do not select this option.
 201
 202 config MAC80211_PS_DEBUG
 203         bool "Verbose powersave mode debugging"
 204         depends on MAC80211_DEBUG_MENU
 205         ---help---
 206           Selecting this option causes mac80211 to print out very
 207           verbose power save mode debugging messages (when mac80211
 208           is an AP and has power saving stations.)
 209           It should not be selected on production systems as those
 210           messages are remotely triggerable.
 211
 212           Do not select this option.
 213
 214 config MAC80211_MPL_DEBUG
 215         bool "Verbose mesh peer link debugging"
 216         depends on MAC80211_DEBUG_MENU
 217         depends on MAC80211_MESH
 218         ---help---
 219           Selecting this option causes mac80211 to print out very
 220           verbose mesh peer link debugging messages (when mac80211
 221           is taking part in a mesh network).
 222           It should not be selected on production systems as those
 223           messages are remotely triggerable.
 224
 225           Do not select this option.
 226
 227 config MAC80211_MPATH_DEBUG
 228         bool "Verbose mesh path debugging"
 229         depends on MAC80211_DEBUG_MENU
 230         depends on MAC80211_MESH
 231         ---help---
 232           Selecting this option causes mac80211 to print out very
 233           verbose mesh path selection debugging messages (when mac80211
 234           is taking part in a mesh network).
 235           It should not be selected on production systems as those
 236           messages are remotely triggerable.
 237
 238           Do not select this option.
 239
 240 config MAC80211_MHWMP_DEBUG
 241         bool "Verbose mesh HWMP routing debugging"
 242         depends on MAC80211_DEBUG_MENU
 243         depends on MAC80211_MESH
 244         ---help---
 245           Selecting this option causes mac80211 to print out very
 246           verbose mesh routing (HWMP) debugging messages (when mac80211
 247           is taking part in a mesh network).
 248           It should not be selected on production systems as those
 249           messages are remotely triggerable.
 250
 251           Do not select this option.
 252
 253 config MAC80211_MESH_SYNC_DEBUG
 254         bool "Verbose mesh synchronization debugging"
 255         depends on MAC80211_DEBUG_MENU
 256         depends on MAC80211_MESH
 257         ---help---
 258           Selecting this option causes mac80211 to print out very verbose mesh
 259           synchronization debugging messages (when mac80211 is taking part in a
 260           mesh network).
 261
 262           Do not select this option.
 263
 264 config MAC80211_MESH_CSA_DEBUG
 265         bool "Verbose mesh channel switch debugging"
 266         depends on MAC80211_DEBUG_MENU
 267         depends on MAC80211_MESH
 268         ---help---
 269           Selecting this option causes mac80211 to print out very verbose mesh
 270           channel switch debugging messages (when mac80211 is taking part in a
 271           mesh network).
 272
 273           Do not select this option.
 274
 275 config MAC80211_MESH_PS_DEBUG
 276         bool "Verbose mesh powersave debugging"
 277         depends on MAC80211_DEBUG_MENU
 278         depends on MAC80211_MESH
 279         ---help---
 280           Selecting this option causes mac80211 to print out very verbose mesh
 281           powersave debugging messages (when mac80211 is taking part in a
 282           mesh network).
 283
 284           Do not select this option.
 285
 286 config MAC80211_TDLS_DEBUG
 287         bool "Verbose TDLS debugging"
 288         depends on MAC80211_DEBUG_MENU
 289         ---help---
 290           Selecting this option causes mac80211 to print out very
 291           verbose TDLS selection debugging messages (when mac80211
 292           is a TDLS STA).
 293           It should not be selected on production systems as those
 294           messages are remotely triggerable.
 295
 296           Do not select this option.
 297
 298 config MAC80211_DEBUG_COUNTERS
 299         bool "Extra statistics for TX/RX debugging"
 300         depends on MAC80211_DEBUG_MENU
 301         depends on MAC80211_DEBUGFS
 302         ---help---
 303           Selecting this option causes mac80211 to keep additional
 304           and very verbose statistics about TX and RX handler use
 305           as well as a few selected dot11 counters. These will be
 306           exposed in debugfs.
 307
 308           Note that some of the counters are not concurrency safe
 309           and may thus not always be accurate.
 310
 311           If unsure, say N.
 312
 313 config MAC80211_STA_HASH_MAX_SIZE
 314         int "Station hash table maximum size" if MAC80211_DEBUG_MENU
 315         default 0
 316         ---help---
 317           Setting this option to a low value (e.g. 4) allows testing the
 318           hash table with collisions relatively deterministically (just
 319           connect more stations than the number selected here.)
 320
 321           If unsure, leave the default of 0.