| 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | config MAC80211 |
| 3 | tristate "Generic IEEE 802.11 Networking Stack (mac80211)" |
| 4 | depends on CFG80211 |
| 5 | select CRYPTO |
| 6 | select CRYPTO_LIB_AES_CBC_MACS |
| 7 | select CRYPTO_LIB_ARC4 |
| 8 | select CRYPTO_AES |
| 9 | select CRYPTO_CCM |
| 10 | select CRYPTO_GCM |
| 11 | select CRC32 |
| 12 | help |
| 13 | This option enables the hardware independent IEEE 802.11 |
| 14 | networking stack. |
| 15 | |
| 16 | comment "CFG80211 needs to be enabled for MAC80211" |
| 17 | depends on CFG80211=n |
| 18 | |
| 19 | if MAC80211 != n |
| 20 | |
| 21 | config MAC80211_HAS_RC |
| 22 | bool |
| 23 | |
| 24 | config MAC80211_RC_MINSTREL |
| 25 | bool "Minstrel" if EXPERT |
| 26 | select MAC80211_HAS_RC |
| 27 | default y |
| 28 | help |
| 29 | This option enables the 'minstrel' TX rate control algorithm |
| 30 | |
| 31 | choice |
| 32 | prompt "Default rate control algorithm" |
| 33 | depends on MAC80211_HAS_RC |
| 34 | default MAC80211_RC_DEFAULT_MINSTREL |
| 35 | help |
| 36 | This option selects the default rate control algorithm |
| 37 | mac80211 will use. Note that this default can still be |
| 38 | overridden through the ieee80211_default_rc_algo module |
| 39 | parameter if different algorithms are available. |
| 40 | |
| 41 | config MAC80211_RC_DEFAULT_MINSTREL |
| 42 | bool "Minstrel" |
| 43 | depends on MAC80211_RC_MINSTREL |
| 44 | help |
| 45 | Select Minstrel as the default rate control algorithm. |
| 46 | |
| 47 | |
| 48 | endchoice |
| 49 | |
| 50 | config MAC80211_RC_DEFAULT |
| 51 | string |
| 52 | default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL |
| 53 | default "" |
| 54 | |
| 55 | endif |
| 56 | |
| 57 | comment "Some wireless drivers require a rate control algorithm" |
| 58 | depends on MAC80211 && MAC80211_HAS_RC=n |
| 59 | |
| 60 | config MAC80211_KUNIT_TEST |
| 61 | tristate "KUnit tests for mac80211" if !KUNIT_ALL_TESTS |
| 62 | depends on KUNIT |
| 63 | depends on MAC80211 |
| 64 | default KUNIT_ALL_TESTS |
| 65 | help |
| 66 | Enable this option to test mac80211 internals with kunit. |
| 67 | |
| 68 | If unsure, say N. |
| 69 | |
| 70 | config MAC80211_MESH |
| 71 | bool "Enable mac80211 mesh networking support" |
| 72 | depends on MAC80211 |
| 73 | help |
| 74 | Select this option to enable 802.11 mesh operation in mac80211 |
| 75 | drivers that support it. 802.11 mesh connects multiple stations |
| 76 | over (possibly multi-hop) wireless links to form a single logical |
| 77 | LAN. |
| 78 | |
| 79 | config MAC80211_LEDS |
| 80 | bool "Enable LED triggers" |
| 81 | depends on MAC80211 |
| 82 | depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211 |
| 83 | select LEDS_TRIGGERS |
| 84 | help |
| 85 | This option enables a few LED triggers for different |
| 86 | packet receive/transmit events. |
| 87 | |
| 88 | config MAC80211_DEBUGFS |
| 89 | bool "Export mac80211 internals in DebugFS" |
| 90 | depends on MAC80211 && CFG80211_DEBUGFS |
| 91 | help |
| 92 | Select this to see extensive information about |
| 93 | the internal state of mac80211 in debugfs. |
| 94 | |
| 95 | Say N unless you know you need this. |
| 96 | |
| 97 | config MAC80211_MESSAGE_TRACING |
| 98 | bool "Trace all mac80211 debug messages" |
| 99 | depends on MAC80211 && TRACING |
| 100 | help |
| 101 | Select this option to have mac80211 register the |
| 102 | mac80211_msg trace subsystem with tracepoints to |
| 103 | collect all debugging messages, independent of |
| 104 | printing them into the kernel log. |
| 105 | |
| 106 | The overhead in this option is that all the messages |
| 107 | need to be present in the binary and formatted at |
| 108 | runtime for tracing. |
| 109 | |
| 110 | menuconfig MAC80211_DEBUG_MENU |
| 111 | bool "Select mac80211 debugging features" |
| 112 | depends on MAC80211 |
| 113 | help |
| 114 | This option collects various mac80211 debug settings. |
| 115 | |
| 116 | config MAC80211_NOINLINE |
| 117 | bool "Do not inline TX/RX handlers" |
| 118 | depends on MAC80211_DEBUG_MENU |
| 119 | help |
| 120 | This option affects code generation in mac80211, when |
| 121 | selected some functions are marked "noinline" to allow |
| 122 | easier debugging of problems in the transmit and receive |
| 123 | paths. |
| 124 | |
| 125 | This option increases code size a bit and inserts a lot |
| 126 | of function calls in the code, but is otherwise safe to |
| 127 | enable. |
| 128 | |
| 129 | If unsure, say N unless you expect to be finding problems |
| 130 | in mac80211. |
| 131 | |
| 132 | config MAC80211_VERBOSE_DEBUG |
| 133 | bool "Verbose debugging output" |
| 134 | depends on MAC80211_DEBUG_MENU |
| 135 | help |
| 136 | Selecting this option causes mac80211 to print out |
| 137 | many debugging messages. It should not be selected |
| 138 | on production systems as some of the messages are |
| 139 | remotely triggerable. |
| 140 | |
| 141 | Do not select this option. |
| 142 | |
| 143 | config MAC80211_MLME_DEBUG |
| 144 | bool "Verbose managed MLME output" |
| 145 | depends on MAC80211_DEBUG_MENU |
| 146 | help |
| 147 | Selecting this option causes mac80211 to print out |
| 148 | debugging messages for the managed-mode MLME. It |
| 149 | should not be selected on production systems as some |
| 150 | of the messages are remotely triggerable. |
| 151 | |
| 152 | Do not select this option. |
| 153 | |
| 154 | config MAC80211_STA_DEBUG |
| 155 | bool "Verbose station debugging" |
| 156 | depends on MAC80211_DEBUG_MENU |
| 157 | help |
| 158 | Selecting this option causes mac80211 to print out |
| 159 | debugging messages for station addition/removal. |
| 160 | |
| 161 | Do not select this option. |
| 162 | |
| 163 | config MAC80211_HT_DEBUG |
| 164 | bool "Verbose HT debugging" |
| 165 | depends on MAC80211_DEBUG_MENU |
| 166 | help |
| 167 | This option enables 802.11n High Throughput features |
| 168 | debug tracing output. |
| 169 | |
| 170 | It should not be selected on production systems as some |
| 171 | of the messages are remotely triggerable. |
| 172 | |
| 173 | Do not select this option. |
| 174 | |
| 175 | config MAC80211_OCB_DEBUG |
| 176 | bool "Verbose OCB debugging" |
| 177 | depends on MAC80211_DEBUG_MENU |
| 178 | help |
| 179 | Selecting this option causes mac80211 to print out |
| 180 | very verbose OCB debugging messages. It should not |
| 181 | be selected on production systems as those messages |
| 182 | are remotely triggerable. |
| 183 | |
| 184 | Do not select this option. |
| 185 | |
| 186 | config MAC80211_IBSS_DEBUG |
| 187 | bool "Verbose IBSS debugging" |
| 188 | depends on MAC80211_DEBUG_MENU |
| 189 | help |
| 190 | Selecting this option causes mac80211 to print out |
| 191 | very verbose IBSS debugging messages. It should not |
| 192 | be selected on production systems as those messages |
| 193 | are remotely triggerable. |
| 194 | |
| 195 | Do not select this option. |
| 196 | |
| 197 | config MAC80211_PS_DEBUG |
| 198 | bool "Verbose powersave mode debugging" |
| 199 | depends on MAC80211_DEBUG_MENU |
| 200 | help |
| 201 | Selecting this option causes mac80211 to print out very |
| 202 | verbose power save mode debugging messages (when mac80211 |
| 203 | is an AP and has power saving stations.) |
| 204 | It should not be selected on production systems as those |
| 205 | messages are remotely triggerable. |
| 206 | |
| 207 | Do not select this option. |
| 208 | |
| 209 | config MAC80211_MPL_DEBUG |
| 210 | bool "Verbose mesh peer link debugging" |
| 211 | depends on MAC80211_DEBUG_MENU |
| 212 | depends on MAC80211_MESH |
| 213 | help |
| 214 | Selecting this option causes mac80211 to print out very |
| 215 | verbose mesh peer link debugging messages (when mac80211 |
| 216 | is taking part in a mesh network). |
| 217 | It should not be selected on production systems as those |
| 218 | messages are remotely triggerable. |
| 219 | |
| 220 | Do not select this option. |
| 221 | |
| 222 | config MAC80211_MPATH_DEBUG |
| 223 | bool "Verbose mesh path debugging" |
| 224 | depends on MAC80211_DEBUG_MENU |
| 225 | depends on MAC80211_MESH |
| 226 | help |
| 227 | Selecting this option causes mac80211 to print out very |
| 228 | verbose mesh path selection debugging messages (when mac80211 |
| 229 | is taking part in a mesh network). |
| 230 | It should not be selected on production systems as those |
| 231 | messages are remotely triggerable. |
| 232 | |
| 233 | Do not select this option. |
| 234 | |
| 235 | config MAC80211_MHWMP_DEBUG |
| 236 | bool "Verbose mesh HWMP routing debugging" |
| 237 | depends on MAC80211_DEBUG_MENU |
| 238 | depends on MAC80211_MESH |
| 239 | help |
| 240 | Selecting this option causes mac80211 to print out very |
| 241 | verbose mesh routing (HWMP) debugging messages (when mac80211 |
| 242 | is taking part in a mesh network). |
| 243 | It should not be selected on production systems as those |
| 244 | messages are remotely triggerable. |
| 245 | |
| 246 | Do not select this option. |
| 247 | |
| 248 | config MAC80211_MESH_SYNC_DEBUG |
| 249 | bool "Verbose mesh synchronization debugging" |
| 250 | depends on MAC80211_DEBUG_MENU |
| 251 | depends on MAC80211_MESH |
| 252 | help |
| 253 | Selecting this option causes mac80211 to print out very verbose mesh |
| 254 | synchronization debugging messages (when mac80211 is taking part in a |
| 255 | mesh network). |
| 256 | |
| 257 | Do not select this option. |
| 258 | |
| 259 | config MAC80211_MESH_CSA_DEBUG |
| 260 | bool "Verbose mesh channel switch debugging" |
| 261 | depends on MAC80211_DEBUG_MENU |
| 262 | depends on MAC80211_MESH |
| 263 | help |
| 264 | Selecting this option causes mac80211 to print out very verbose mesh |
| 265 | channel switch debugging messages (when mac80211 is taking part in a |
| 266 | mesh network). |
| 267 | |
| 268 | Do not select this option. |
| 269 | |
| 270 | config MAC80211_MESH_PS_DEBUG |
| 271 | bool "Verbose mesh powersave debugging" |
| 272 | depends on MAC80211_DEBUG_MENU |
| 273 | depends on MAC80211_MESH |
| 274 | help |
| 275 | Selecting this option causes mac80211 to print out very verbose mesh |
| 276 | powersave debugging messages (when mac80211 is taking part in a |
| 277 | mesh network). |
| 278 | |
| 279 | Do not select this option. |
| 280 | |
| 281 | config MAC80211_TDLS_DEBUG |
| 282 | bool "Verbose TDLS debugging" |
| 283 | depends on MAC80211_DEBUG_MENU |
| 284 | help |
| 285 | Selecting this option causes mac80211 to print out very |
| 286 | verbose TDLS selection debugging messages (when mac80211 |
| 287 | is a TDLS STA). |
| 288 | It should not be selected on production systems as those |
| 289 | messages are remotely triggerable. |
| 290 | |
| 291 | Do not select this option. |
| 292 | |
| 293 | config MAC80211_DEBUG_COUNTERS |
| 294 | bool "Extra statistics for TX/RX debugging" |
| 295 | depends on MAC80211_DEBUG_MENU |
| 296 | depends on MAC80211_DEBUGFS |
| 297 | help |
| 298 | Selecting this option causes mac80211 to keep additional |
| 299 | and very verbose statistics about TX and RX handler use |
| 300 | as well as a few selected dot11 counters. These will be |
| 301 | exposed in debugfs. |
| 302 | |
| 303 | Note that some of the counters are not concurrency safe |
| 304 | and may thus not always be accurate. |
| 305 | |
| 306 | If unsure, say N. |
| 307 | |
| 308 | config MAC80211_STA_HASH_MAX_SIZE |
| 309 | int "Station hash table maximum size" if MAC80211_DEBUG_MENU |
| 310 | default 0 |
| 311 | help |
| 312 | Setting this option to a low value (e.g. 4) allows testing the |
| 313 | hash table with collisions relatively deterministically (just |
| 314 | connect more stations than the number selected here.) |
| 315 | |
| 316 | If unsure, leave the default of 0. |