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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_MESH
61 bool "Enable mac80211 mesh networking support"
62 depends on MAC80211
63 help
64 Select this option to enable 802.11 mesh operation in mac80211
65 drivers that support it. 802.11 mesh connects multiple stations
66 over (possibly multi-hop) wireless links to form a single logical
67 LAN.
68
69config MAC80211_LEDS
70 bool "Enable LED triggers"
71 depends on MAC80211
72 depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211
73 select LEDS_TRIGGERS
74 help
75 This option enables a few LED triggers for different
76 packet receive/transmit events.
77
78config MAC80211_DEBUGFS
79 bool "Export mac80211 internals in DebugFS"
80 depends on MAC80211 && DEBUG_FS
81 help
82 Select this to see extensive information about
83 the internal state of mac80211 in debugfs.
84
85 Say N unless you know you need this.
86
87config MAC80211_MESSAGE_TRACING
88 bool "Trace all mac80211 debug messages"
89 depends on MAC80211
90 help
91 Select this option to have mac80211 register the
92 mac80211_msg trace subsystem with tracepoints to
93 collect all debugging messages, independent of
94 printing them into the kernel log.
95
96 The overhead in this option is that all the messages
97 need to be present in the binary and formatted at
98 runtime for tracing.
99
100menuconfig MAC80211_DEBUG_MENU
101 bool "Select mac80211 debugging features"
102 depends on MAC80211
103 help
104 This option collects various mac80211 debug settings.
105
106config MAC80211_NOINLINE
107 bool "Do not inline TX/RX handlers"
108 depends on MAC80211_DEBUG_MENU
109 help
110 This option affects code generation in mac80211, when
111 selected some functions are marked "noinline" to allow
112 easier debugging of problems in the transmit and receive
113 paths.
114
115 This option increases code size a bit and inserts a lot
116 of function calls in the code, but is otherwise safe to
117 enable.
118
119 If unsure, say N unless you expect to be finding problems
120 in mac80211.
121
122config MAC80211_VERBOSE_DEBUG
123 bool "Verbose debugging output"
124 depends on MAC80211_DEBUG_MENU
125 help
126 Selecting this option causes mac80211 to print out
127 many debugging messages. It should not be selected
128 on production systems as some of the messages are
129 remotely triggerable.
130
131 Do not select this option.
132
133config MAC80211_MLME_DEBUG
134 bool "Verbose managed MLME output"
135 depends on MAC80211_DEBUG_MENU
136 help
137 Selecting this option causes mac80211 to print out
138 debugging messages for the managed-mode MLME. It
139 should not be selected on production systems as some
140 of the messages are remotely triggerable.
141
142 Do not select this option.
143
144config MAC80211_STA_DEBUG
145 bool "Verbose station debugging"
146 depends on MAC80211_DEBUG_MENU
147 help
148 Selecting this option causes mac80211 to print out
149 debugging messages for station addition/removal.
150
151 Do not select this option.
152
153config MAC80211_HT_DEBUG
154 bool "Verbose HT debugging"
155 depends on MAC80211_DEBUG_MENU
156 help
157 This option enables 802.11n High Throughput features
158 debug tracing output.
159
160 It should not be selected on production systems as some
161 of the messages are remotely triggerable.
162
163 Do not select this option.
164
165config MAC80211_OCB_DEBUG
166 bool "Verbose OCB debugging"
167 depends on MAC80211_DEBUG_MENU
168 help
169 Selecting this option causes mac80211 to print out
170 very verbose OCB debugging messages. It should not
171 be selected on production systems as those messages
172 are remotely triggerable.
173
174 Do not select this option.
175
176config MAC80211_IBSS_DEBUG
177 bool "Verbose IBSS debugging"
178 depends on MAC80211_DEBUG_MENU
179 help
180 Selecting this option causes mac80211 to print out
181 very verbose IBSS debugging messages. It should not
182 be selected on production systems as those messages
183 are remotely triggerable.
184
185 Do not select this option.
186
187config MAC80211_PS_DEBUG
188 bool "Verbose powersave mode debugging"
189 depends on MAC80211_DEBUG_MENU
190 help
191 Selecting this option causes mac80211 to print out very
192 verbose power save mode debugging messages (when mac80211
193 is an AP and has power saving stations.)
194 It should not be selected on production systems as those
195 messages are remotely triggerable.
196
197 Do not select this option.
198
199config MAC80211_MPL_DEBUG
200 bool "Verbose mesh peer link debugging"
201 depends on MAC80211_DEBUG_MENU
202 depends on MAC80211_MESH
203 help
204 Selecting this option causes mac80211 to print out very
205 verbose mesh peer link debugging messages (when mac80211
206 is taking part in a mesh network).
207 It should not be selected on production systems as those
208 messages are remotely triggerable.
209
210 Do not select this option.
211
212config MAC80211_MPATH_DEBUG
213 bool "Verbose mesh path debugging"
214 depends on MAC80211_DEBUG_MENU
215 depends on MAC80211_MESH
216 help
217 Selecting this option causes mac80211 to print out very
218 verbose mesh path selection debugging messages (when mac80211
219 is taking part in a mesh network).
220 It should not be selected on production systems as those
221 messages are remotely triggerable.
222
223 Do not select this option.
224
225config MAC80211_MHWMP_DEBUG
226 bool "Verbose mesh HWMP routing debugging"
227 depends on MAC80211_DEBUG_MENU
228 depends on MAC80211_MESH
229 help
230 Selecting this option causes mac80211 to print out very
231 verbose mesh routing (HWMP) debugging messages (when mac80211
232 is taking part in a mesh network).
233 It should not be selected on production systems as those
234 messages are remotely triggerable.
235
236 Do not select this option.
237
238config MAC80211_MESH_SYNC_DEBUG
239 bool "Verbose mesh synchronization debugging"
240 depends on MAC80211_DEBUG_MENU
241 depends on MAC80211_MESH
242 help
243 Selecting this option causes mac80211 to print out very verbose mesh
244 synchronization debugging messages (when mac80211 is taking part in a
245 mesh network).
246
247 Do not select this option.
248
249config MAC80211_MESH_CSA_DEBUG
250 bool "Verbose mesh channel switch debugging"
251 depends on MAC80211_DEBUG_MENU
252 depends on MAC80211_MESH
253 help
254 Selecting this option causes mac80211 to print out very verbose mesh
255 channel switch debugging messages (when mac80211 is taking part in a
256 mesh network).
257
258 Do not select this option.
259
260config MAC80211_MESH_PS_DEBUG
261 bool "Verbose mesh powersave debugging"
262 depends on MAC80211_DEBUG_MENU
263 depends on MAC80211_MESH
264 help
265 Selecting this option causes mac80211 to print out very verbose mesh
266 powersave debugging messages (when mac80211 is taking part in a
267 mesh network).
268
269 Do not select this option.
270
271config MAC80211_TDLS_DEBUG
272 bool "Verbose TDLS debugging"
273 depends on MAC80211_DEBUG_MENU
274 help
275 Selecting this option causes mac80211 to print out very
276 verbose TDLS selection debugging messages (when mac80211
277 is a TDLS STA).
278 It should not be selected on production systems as those
279 messages are remotely triggerable.
280
281 Do not select this option.
282
283config MAC80211_DEBUG_COUNTERS
284 bool "Extra statistics for TX/RX debugging"
285 depends on MAC80211_DEBUG_MENU
286 depends on MAC80211_DEBUGFS
287 help
288 Selecting this option causes mac80211 to keep additional
289 and very verbose statistics about TX and RX handler use
290 as well as a few selected dot11 counters. These will be
291 exposed in debugfs.
292
293 Note that some of the counters are not concurrency safe
294 and may thus not always be accurate.
295
296 If unsure, say N.
297
298config MAC80211_STA_HASH_MAX_SIZE
299 int "Station hash table maximum size" if MAC80211_DEBUG_MENU
300 default 0
301 help
302 Setting this option to a low value (e.g. 4) allows testing the
303 hash table with collisions relatively deterministically (just
304 connect more stations than the number selected here.)
305
306 If unsure, leave the default of 0.
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 && 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
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.