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