1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config MAC80211 2 config MAC80211
3 tristate "Generic IEEE 802.11 Networki 3 tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
4 depends on CFG80211 4 depends on CFG80211
5 select CRYPTO 5 select CRYPTO
6 select CRYPTO_LIB_ARC4 6 select CRYPTO_LIB_ARC4
7 select CRYPTO_AES 7 select CRYPTO_AES
8 select CRYPTO_CCM 8 select CRYPTO_CCM
9 select CRYPTO_GCM 9 select CRYPTO_GCM
10 select CRYPTO_CMAC 10 select CRYPTO_CMAC
11 select CRC32 11 select CRC32
12 help 12 help
13 This option enables the hardware ind 13 This option enables the hardware independent IEEE 802.11
14 networking stack. 14 networking stack.
15 15
16 comment "CFG80211 needs to be enabled for MAC8 16 comment "CFG80211 needs to be enabled for MAC80211"
17 depends on CFG80211=n 17 depends on CFG80211=n
18 18
19 if MAC80211 != n 19 if MAC80211 != n
20 20
21 config MAC80211_HAS_RC 21 config MAC80211_HAS_RC
22 bool 22 bool
23 23
24 config MAC80211_RC_MINSTREL 24 config MAC80211_RC_MINSTREL
25 bool "Minstrel" if EXPERT 25 bool "Minstrel" if EXPERT
26 select MAC80211_HAS_RC 26 select MAC80211_HAS_RC
27 default y 27 default y
28 help 28 help
29 This option enables the 'minstrel' T 29 This option enables the 'minstrel' TX rate control algorithm
30 30
31 choice 31 choice
32 prompt "Default rate control algorithm 32 prompt "Default rate control algorithm"
33 depends on MAC80211_HAS_RC 33 depends on MAC80211_HAS_RC
34 default MAC80211_RC_DEFAULT_MINSTREL 34 default MAC80211_RC_DEFAULT_MINSTREL
35 help 35 help
36 This option selects the default rate 36 This option selects the default rate control algorithm
37 mac80211 will use. Note that this de 37 mac80211 will use. Note that this default can still be
38 overridden through the ieee80211_def 38 overridden through the ieee80211_default_rc_algo module
39 parameter if different algorithms ar 39 parameter if different algorithms are available.
40 40
41 config MAC80211_RC_DEFAULT_MINSTREL 41 config MAC80211_RC_DEFAULT_MINSTREL
42 bool "Minstrel" 42 bool "Minstrel"
43 depends on MAC80211_RC_MINSTREL 43 depends on MAC80211_RC_MINSTREL
44 help 44 help
45 Select Minstrel as the default rate 45 Select Minstrel as the default rate control algorithm.
46 46
47 47
48 endchoice 48 endchoice
49 49
50 config MAC80211_RC_DEFAULT 50 config MAC80211_RC_DEFAULT
51 string 51 string
52 default "minstrel_ht" if MAC80211_RC_D 52 default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL
53 default "" 53 default ""
54 54
55 endif 55 endif
56 56
57 comment "Some wireless drivers require a rate 57 comment "Some wireless drivers require a rate control algorithm"
58 depends on MAC80211 && MAC80211_HAS_RC 58 depends on MAC80211 && MAC80211_HAS_RC=n
59 59
60 config MAC80211_KUNIT_TEST 60 config MAC80211_KUNIT_TEST
61 tristate "KUnit tests for mac80211" if 61 tristate "KUnit tests for mac80211" if !KUNIT_ALL_TESTS
62 depends on KUNIT 62 depends on KUNIT
63 depends on MAC80211 63 depends on MAC80211
64 default KUNIT_ALL_TESTS 64 default KUNIT_ALL_TESTS
65 help 65 help
66 Enable this option to test mac80211 66 Enable this option to test mac80211 internals with kunit.
67 67
68 If unsure, say N. 68 If unsure, say N.
69 69
70 config MAC80211_MESH 70 config MAC80211_MESH
71 bool "Enable mac80211 mesh networking 71 bool "Enable mac80211 mesh networking support"
72 depends on MAC80211 72 depends on MAC80211
73 help 73 help
74 Select this option to enable 802.11 74 Select this option to enable 802.11 mesh operation in mac80211
75 drivers that support it. 802.11 mes 75 drivers that support it. 802.11 mesh connects multiple stations
76 over (possibly multi-hop) wireless l 76 over (possibly multi-hop) wireless links to form a single logical
77 LAN. 77 LAN.
78 78
79 config MAC80211_LEDS 79 config MAC80211_LEDS
80 bool "Enable LED triggers" 80 bool "Enable LED triggers"
81 depends on MAC80211 81 depends on MAC80211
82 depends on LEDS_CLASS=y || LEDS_CLASS= 82 depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211
83 select LEDS_TRIGGERS 83 select LEDS_TRIGGERS
84 help 84 help
85 This option enables a few LED trigge 85 This option enables a few LED triggers for different
86 packet receive/transmit events. 86 packet receive/transmit events.
87 87
88 config MAC80211_DEBUGFS 88 config MAC80211_DEBUGFS
89 bool "Export mac80211 internals in Deb 89 bool "Export mac80211 internals in DebugFS"
90 depends on MAC80211 && CFG80211_DEBUGF 90 depends on MAC80211 && CFG80211_DEBUGFS
91 help 91 help
92 Select this to see extensive informa 92 Select this to see extensive information about
93 the internal state of mac80211 in de 93 the internal state of mac80211 in debugfs.
94 94
95 Say N unless you know you need this. 95 Say N unless you know you need this.
96 96
97 config MAC80211_MESSAGE_TRACING 97 config MAC80211_MESSAGE_TRACING
98 bool "Trace all mac80211 debug message 98 bool "Trace all mac80211 debug messages"
99 depends on MAC80211 && TRACING !! 99 depends on MAC80211
100 help 100 help
101 Select this option to have mac80211 101 Select this option to have mac80211 register the
102 mac80211_msg trace subsystem with tr 102 mac80211_msg trace subsystem with tracepoints to
103 collect all debugging messages, inde 103 collect all debugging messages, independent of
104 printing them into the kernel log. 104 printing them into the kernel log.
105 105
106 The overhead in this option is that 106 The overhead in this option is that all the messages
107 need to be present in the binary and 107 need to be present in the binary and formatted at
108 runtime for tracing. 108 runtime for tracing.
109 109
110 menuconfig MAC80211_DEBUG_MENU 110 menuconfig MAC80211_DEBUG_MENU
111 bool "Select mac80211 debugging featur 111 bool "Select mac80211 debugging features"
112 depends on MAC80211 112 depends on MAC80211
113 help 113 help
114 This option collects various mac8021 114 This option collects various mac80211 debug settings.
115 115
116 config MAC80211_NOINLINE 116 config MAC80211_NOINLINE
117 bool "Do not inline TX/RX handlers" 117 bool "Do not inline TX/RX handlers"
118 depends on MAC80211_DEBUG_MENU 118 depends on MAC80211_DEBUG_MENU
119 help 119 help
120 This option affects code generation 120 This option affects code generation in mac80211, when
121 selected some functions are marked " 121 selected some functions are marked "noinline" to allow
122 easier debugging of problems in the 122 easier debugging of problems in the transmit and receive
123 paths. 123 paths.
124 124
125 This option increases code size a bi 125 This option increases code size a bit and inserts a lot
126 of function calls in the code, but i 126 of function calls in the code, but is otherwise safe to
127 enable. 127 enable.
128 128
129 If unsure, say N unless you expect t 129 If unsure, say N unless you expect to be finding problems
130 in mac80211. 130 in mac80211.
131 131
132 config MAC80211_VERBOSE_DEBUG 132 config MAC80211_VERBOSE_DEBUG
133 bool "Verbose debugging output" 133 bool "Verbose debugging output"
134 depends on MAC80211_DEBUG_MENU 134 depends on MAC80211_DEBUG_MENU
135 help 135 help
136 Selecting this option causes mac8021 136 Selecting this option causes mac80211 to print out
137 many debugging messages. It should n 137 many debugging messages. It should not be selected
138 on production systems as some of the 138 on production systems as some of the messages are
139 remotely triggerable. 139 remotely triggerable.
140 140
141 Do not select this option. 141 Do not select this option.
142 142
143 config MAC80211_MLME_DEBUG 143 config MAC80211_MLME_DEBUG
144 bool "Verbose managed MLME output" 144 bool "Verbose managed MLME output"
145 depends on MAC80211_DEBUG_MENU 145 depends on MAC80211_DEBUG_MENU
146 help 146 help
147 Selecting this option causes mac8021 147 Selecting this option causes mac80211 to print out
148 debugging messages for the managed-m 148 debugging messages for the managed-mode MLME. It
149 should not be selected on production 149 should not be selected on production systems as some
150 of the messages are remotely trigger 150 of the messages are remotely triggerable.
151 151
152 Do not select this option. 152 Do not select this option.
153 153
154 config MAC80211_STA_DEBUG 154 config MAC80211_STA_DEBUG
155 bool "Verbose station debugging" 155 bool "Verbose station debugging"
156 depends on MAC80211_DEBUG_MENU 156 depends on MAC80211_DEBUG_MENU
157 help 157 help
158 Selecting this option causes mac8021 158 Selecting this option causes mac80211 to print out
159 debugging messages for station addit 159 debugging messages for station addition/removal.
160 160
161 Do not select this option. 161 Do not select this option.
162 162
163 config MAC80211_HT_DEBUG 163 config MAC80211_HT_DEBUG
164 bool "Verbose HT debugging" 164 bool "Verbose HT debugging"
165 depends on MAC80211_DEBUG_MENU 165 depends on MAC80211_DEBUG_MENU
166 help 166 help
167 This option enables 802.11n High Thr 167 This option enables 802.11n High Throughput features
168 debug tracing output. 168 debug tracing output.
169 169
170 It should not be selected on product 170 It should not be selected on production systems as some
171 of the messages are remotely trigger 171 of the messages are remotely triggerable.
172 172
173 Do not select this option. 173 Do not select this option.
174 174
175 config MAC80211_OCB_DEBUG 175 config MAC80211_OCB_DEBUG
176 bool "Verbose OCB debugging" 176 bool "Verbose OCB debugging"
177 depends on MAC80211_DEBUG_MENU 177 depends on MAC80211_DEBUG_MENU
178 help 178 help
179 Selecting this option causes mac8021 179 Selecting this option causes mac80211 to print out
180 very verbose OCB debugging messages. 180 very verbose OCB debugging messages. It should not
181 be selected on production systems as 181 be selected on production systems as those messages
182 are remotely triggerable. 182 are remotely triggerable.
183 183
184 Do not select this option. 184 Do not select this option.
185 185
186 config MAC80211_IBSS_DEBUG 186 config MAC80211_IBSS_DEBUG
187 bool "Verbose IBSS debugging" 187 bool "Verbose IBSS debugging"
188 depends on MAC80211_DEBUG_MENU 188 depends on MAC80211_DEBUG_MENU
189 help 189 help
190 Selecting this option causes mac8021 190 Selecting this option causes mac80211 to print out
191 very verbose IBSS debugging messages 191 very verbose IBSS debugging messages. It should not
192 be selected on production systems as 192 be selected on production systems as those messages
193 are remotely triggerable. 193 are remotely triggerable.
194 194
195 Do not select this option. 195 Do not select this option.
196 196
197 config MAC80211_PS_DEBUG 197 config MAC80211_PS_DEBUG
198 bool "Verbose powersave mode debugging 198 bool "Verbose powersave mode debugging"
199 depends on MAC80211_DEBUG_MENU 199 depends on MAC80211_DEBUG_MENU
200 help 200 help
201 Selecting this option causes mac8021 201 Selecting this option causes mac80211 to print out very
202 verbose power save mode debugging me 202 verbose power save mode debugging messages (when mac80211
203 is an AP and has power saving statio 203 is an AP and has power saving stations.)
204 It should not be selected on product 204 It should not be selected on production systems as those
205 messages are remotely triggerable. 205 messages are remotely triggerable.
206 206
207 Do not select this option. 207 Do not select this option.
208 208
209 config MAC80211_MPL_DEBUG 209 config MAC80211_MPL_DEBUG
210 bool "Verbose mesh peer link debugging 210 bool "Verbose mesh peer link debugging"
211 depends on MAC80211_DEBUG_MENU 211 depends on MAC80211_DEBUG_MENU
212 depends on MAC80211_MESH 212 depends on MAC80211_MESH
213 help 213 help
214 Selecting this option causes mac8021 214 Selecting this option causes mac80211 to print out very
215 verbose mesh peer link debugging mes 215 verbose mesh peer link debugging messages (when mac80211
216 is taking part in a mesh network). 216 is taking part in a mesh network).
217 It should not be selected on product 217 It should not be selected on production systems as those
218 messages are remotely triggerable. 218 messages are remotely triggerable.
219 219
220 Do not select this option. 220 Do not select this option.
221 221
222 config MAC80211_MPATH_DEBUG 222 config MAC80211_MPATH_DEBUG
223 bool "Verbose mesh path debugging" 223 bool "Verbose mesh path debugging"
224 depends on MAC80211_DEBUG_MENU 224 depends on MAC80211_DEBUG_MENU
225 depends on MAC80211_MESH 225 depends on MAC80211_MESH
226 help 226 help
227 Selecting this option causes mac8021 227 Selecting this option causes mac80211 to print out very
228 verbose mesh path selection debuggin 228 verbose mesh path selection debugging messages (when mac80211
229 is taking part in a mesh network). 229 is taking part in a mesh network).
230 It should not be selected on product 230 It should not be selected on production systems as those
231 messages are remotely triggerable. 231 messages are remotely triggerable.
232 232
233 Do not select this option. 233 Do not select this option.
234 234
235 config MAC80211_MHWMP_DEBUG 235 config MAC80211_MHWMP_DEBUG
236 bool "Verbose mesh HWMP routing debugg 236 bool "Verbose mesh HWMP routing debugging"
237 depends on MAC80211_DEBUG_MENU 237 depends on MAC80211_DEBUG_MENU
238 depends on MAC80211_MESH 238 depends on MAC80211_MESH
239 help 239 help
240 Selecting this option causes mac8021 240 Selecting this option causes mac80211 to print out very
241 verbose mesh routing (HWMP) debuggin 241 verbose mesh routing (HWMP) debugging messages (when mac80211
242 is taking part in a mesh network). 242 is taking part in a mesh network).
243 It should not be selected on product 243 It should not be selected on production systems as those
244 messages are remotely triggerable. 244 messages are remotely triggerable.
245 245
246 Do not select this option. 246 Do not select this option.
247 247
248 config MAC80211_MESH_SYNC_DEBUG 248 config MAC80211_MESH_SYNC_DEBUG
249 bool "Verbose mesh synchronization deb 249 bool "Verbose mesh synchronization debugging"
250 depends on MAC80211_DEBUG_MENU 250 depends on MAC80211_DEBUG_MENU
251 depends on MAC80211_MESH 251 depends on MAC80211_MESH
252 help 252 help
253 Selecting this option causes mac8021 253 Selecting this option causes mac80211 to print out very verbose mesh
254 synchronization debugging messages ( 254 synchronization debugging messages (when mac80211 is taking part in a
255 mesh network). 255 mesh network).
256 256
257 Do not select this option. 257 Do not select this option.
258 258
259 config MAC80211_MESH_CSA_DEBUG 259 config MAC80211_MESH_CSA_DEBUG
260 bool "Verbose mesh channel switch debu 260 bool "Verbose mesh channel switch debugging"
261 depends on MAC80211_DEBUG_MENU 261 depends on MAC80211_DEBUG_MENU
262 depends on MAC80211_MESH 262 depends on MAC80211_MESH
263 help 263 help
264 Selecting this option causes mac8021 264 Selecting this option causes mac80211 to print out very verbose mesh
265 channel switch debugging messages (w 265 channel switch debugging messages (when mac80211 is taking part in a
266 mesh network). 266 mesh network).
267 267
268 Do not select this option. 268 Do not select this option.
269 269
270 config MAC80211_MESH_PS_DEBUG 270 config MAC80211_MESH_PS_DEBUG
271 bool "Verbose mesh powersave debugging 271 bool "Verbose mesh powersave debugging"
272 depends on MAC80211_DEBUG_MENU 272 depends on MAC80211_DEBUG_MENU
273 depends on MAC80211_MESH 273 depends on MAC80211_MESH
274 help 274 help
275 Selecting this option causes mac8021 275 Selecting this option causes mac80211 to print out very verbose mesh
276 powersave debugging messages (when m 276 powersave debugging messages (when mac80211 is taking part in a
277 mesh network). 277 mesh network).
278 278
279 Do not select this option. 279 Do not select this option.
280 280
281 config MAC80211_TDLS_DEBUG 281 config MAC80211_TDLS_DEBUG
282 bool "Verbose TDLS debugging" 282 bool "Verbose TDLS debugging"
283 depends on MAC80211_DEBUG_MENU 283 depends on MAC80211_DEBUG_MENU
284 help 284 help
285 Selecting this option causes mac8021 285 Selecting this option causes mac80211 to print out very
286 verbose TDLS selection debugging mes 286 verbose TDLS selection debugging messages (when mac80211
287 is a TDLS STA). 287 is a TDLS STA).
288 It should not be selected on product 288 It should not be selected on production systems as those
289 messages are remotely triggerable. 289 messages are remotely triggerable.
290 290
291 Do not select this option. 291 Do not select this option.
292 292
293 config MAC80211_DEBUG_COUNTERS 293 config MAC80211_DEBUG_COUNTERS
294 bool "Extra statistics for TX/RX debug 294 bool "Extra statistics for TX/RX debugging"
295 depends on MAC80211_DEBUG_MENU 295 depends on MAC80211_DEBUG_MENU
296 depends on MAC80211_DEBUGFS 296 depends on MAC80211_DEBUGFS
297 help 297 help
298 Selecting this option causes mac8021 298 Selecting this option causes mac80211 to keep additional
299 and very verbose statistics about TX 299 and very verbose statistics about TX and RX handler use
300 as well as a few selected dot11 coun 300 as well as a few selected dot11 counters. These will be
301 exposed in debugfs. 301 exposed in debugfs.
302 302
303 Note that some of the counters are n 303 Note that some of the counters are not concurrency safe
304 and may thus not always be accurate. 304 and may thus not always be accurate.
305 305
306 If unsure, say N. 306 If unsure, say N.
307 307
308 config MAC80211_STA_HASH_MAX_SIZE 308 config MAC80211_STA_HASH_MAX_SIZE
309 int "Station hash table maximum size" 309 int "Station hash table maximum size" if MAC80211_DEBUG_MENU
310 default 0 310 default 0
311 help 311 help
312 Setting this option to a low value ( 312 Setting this option to a low value (e.g. 4) allows testing the
313 hash table with collisions relativel 313 hash table with collisions relatively deterministically (just
314 connect more stations than the numbe 314 connect more stations than the number selected here.)
315 315
316 If unsure, leave the default of 0. 316 If unsure, leave the default of 0.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.