1# SPDX-License-Identifier: GPL-2.0-only 2config MAC80211 3 tristate "Generic IEEE 802.11 Networking Stack (mac80211)" 4 depends on CFG80211 5 select CRYPTO 6 select CRYPTO_LIB_ARC4 7 select CRYPTO_AES 8 select CRYPTO_CCM 9 select CRYPTO_GCM 10 select CRYPTO_CMAC 11 select CRC32 12 help 13 This option enables the hardware independent IEEE 802.11 14 networking stack. 15 16comment "CFG80211 needs to be enabled for MAC80211" 17 depends on CFG80211=n 18 19if MAC80211 != n 20 21config MAC80211_HAS_RC 22 bool 23 24config 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 31choice 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 41config 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 48endchoice 49 50config MAC80211_RC_DEFAULT 51 string 52 default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL 53 default "" 54 55endif 56 57comment "Some wireless drivers require a rate control algorithm" 58 depends on MAC80211 && MAC80211_HAS_RC=n 59 60config 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 70config 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 79config 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 88config 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 97config MAC80211_MESSAGE_TRACING 98 bool "Trace all mac80211 debug messages" 99 depends on MAC80211 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 110menuconfig MAC80211_DEBUG_MENU 111 bool "Select mac80211 debugging features" 112 depends on MAC80211 113 help 114 This option collects various mac80211 debug settings. 115 116config 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 132config 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 143config 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 154config 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 163config 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 175config 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 186config 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 197config 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 209config 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 222config 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 235config 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 248config 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 259config 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 270config 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 281config 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 293config 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 308config 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. 317