1 # SPDX-License-Identifier: GPL-2.0-only <<
2 config MAC80211 1 config MAC80211
3 tristate "Generic IEEE 802.11 Networki 2 tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
4 depends on CFG80211 3 depends on CFG80211
5 select CRYPTO 4 select CRYPTO
6 select CRYPTO_LIB_ARC4 !! 5 select CRYPTO_ARC4
7 select CRYPTO_AES 6 select CRYPTO_AES
8 select CRYPTO_CCM 7 select CRYPTO_CCM
9 select CRYPTO_GCM 8 select CRYPTO_GCM
10 select CRYPTO_CMAC 9 select CRYPTO_CMAC
11 select CRC32 10 select CRC32
12 help !! 11 ---help---
13 This option enables the hardware ind 12 This option enables the hardware independent IEEE 802.11
14 networking stack. 13 networking stack.
15 14
16 comment "CFG80211 needs to be enabled for MAC8 15 comment "CFG80211 needs to be enabled for MAC80211"
17 depends on CFG80211=n 16 depends on CFG80211=n
18 17
19 if MAC80211 != n 18 if MAC80211 != n
20 19
21 config MAC80211_HAS_RC 20 config MAC80211_HAS_RC
22 bool 21 bool
23 22
24 config MAC80211_RC_MINSTREL 23 config MAC80211_RC_MINSTREL
25 bool "Minstrel" if EXPERT 24 bool "Minstrel" if EXPERT
26 select MAC80211_HAS_RC 25 select MAC80211_HAS_RC
27 default y 26 default y
28 help !! 27 ---help---
29 This option enables the 'minstrel' T 28 This option enables the 'minstrel' TX rate control algorithm
30 29
>> 30 config MAC80211_RC_MINSTREL_HT
>> 31 bool "Minstrel 802.11n support" if EXPERT
>> 32 depends on MAC80211_RC_MINSTREL
>> 33 default y
>> 34 ---help---
>> 35 This option enables the 'minstrel_ht' TX rate control algorithm
>> 36
>> 37 config MAC80211_RC_MINSTREL_VHT
>> 38 bool "Minstrel 802.11ac support" if EXPERT
>> 39 depends on MAC80211_RC_MINSTREL_HT
>> 40 default n
>> 41 ---help---
>> 42 This option enables VHT in the 'minstrel_ht' TX rate control algorithm
>> 43
31 choice 44 choice
32 prompt "Default rate control algorithm 45 prompt "Default rate control algorithm"
33 depends on MAC80211_HAS_RC 46 depends on MAC80211_HAS_RC
34 default MAC80211_RC_DEFAULT_MINSTREL 47 default MAC80211_RC_DEFAULT_MINSTREL
35 help !! 48 ---help---
36 This option selects the default rate 49 This option selects the default rate control algorithm
37 mac80211 will use. Note that this de 50 mac80211 will use. Note that this default can still be
38 overridden through the ieee80211_def 51 overridden through the ieee80211_default_rc_algo module
39 parameter if different algorithms ar 52 parameter if different algorithms are available.
40 53
41 config MAC80211_RC_DEFAULT_MINSTREL 54 config MAC80211_RC_DEFAULT_MINSTREL
42 bool "Minstrel" 55 bool "Minstrel"
43 depends on MAC80211_RC_MINSTREL 56 depends on MAC80211_RC_MINSTREL
44 help !! 57 ---help---
45 Select Minstrel as the default rate 58 Select Minstrel as the default rate control algorithm.
46 59
47 60
48 endchoice 61 endchoice
49 62
50 config MAC80211_RC_DEFAULT 63 config MAC80211_RC_DEFAULT
51 string 64 string
52 default "minstrel_ht" if MAC80211_RC_D !! 65 default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL && MAC80211_RC_MINSTREL_HT
>> 66 default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
53 default "" 67 default ""
54 68
55 endif 69 endif
56 70
57 comment "Some wireless drivers require a rate 71 comment "Some wireless drivers require a rate control algorithm"
58 depends on MAC80211 && MAC80211_HAS_RC 72 depends on MAC80211 && MAC80211_HAS_RC=n
59 73
60 config MAC80211_KUNIT_TEST <<
61 tristate "KUnit tests for mac80211" if <<
62 depends on KUNIT <<
63 depends on MAC80211 <<
64 default KUNIT_ALL_TESTS <<
65 help <<
66 Enable this option to test mac80211 <<
67 <<
68 If unsure, say N. <<
69 <<
70 config MAC80211_MESH 74 config MAC80211_MESH
71 bool "Enable mac80211 mesh networking !! 75 bool "Enable mac80211 mesh networking (pre-802.11s) support"
72 depends on MAC80211 76 depends on MAC80211
73 help !! 77 ---help---
74 Select this option to enable 802.11 !! 78 This options enables support of Draft 802.11s mesh networking.
75 drivers that support it. 802.11 mes !! 79 The implementation is based on Draft 2.08 of the Mesh Networking
76 over (possibly multi-hop) wireless l !! 80 amendment. However, no compliance with that draft is claimed or even
77 LAN. !! 81 possible, as drafts leave a number of identifiers to be defined after
>> 82 ratification. For more information visit http://o11s.org/.
78 83
79 config MAC80211_LEDS 84 config MAC80211_LEDS
80 bool "Enable LED triggers" 85 bool "Enable LED triggers"
81 depends on MAC80211 86 depends on MAC80211
82 depends on LEDS_CLASS=y || LEDS_CLASS= !! 87 depends on LEDS_CLASS
83 select LEDS_TRIGGERS 88 select LEDS_TRIGGERS
84 help !! 89 ---help---
85 This option enables a few LED trigge 90 This option enables a few LED triggers for different
86 packet receive/transmit events. 91 packet receive/transmit events.
87 92
88 config MAC80211_DEBUGFS 93 config MAC80211_DEBUGFS
89 bool "Export mac80211 internals in Deb 94 bool "Export mac80211 internals in DebugFS"
90 depends on MAC80211 && CFG80211_DEBUGF !! 95 depends on MAC80211 && DEBUG_FS
91 help !! 96 ---help---
92 Select this to see extensive informa 97 Select this to see extensive information about
93 the internal state of mac80211 in de 98 the internal state of mac80211 in debugfs.
94 99
95 Say N unless you know you need this. 100 Say N unless you know you need this.
96 101
97 config MAC80211_MESSAGE_TRACING 102 config MAC80211_MESSAGE_TRACING
98 bool "Trace all mac80211 debug message 103 bool "Trace all mac80211 debug messages"
99 depends on MAC80211 && TRACING !! 104 depends on MAC80211
100 help !! 105 ---help---
101 Select this option to have mac80211 106 Select this option to have mac80211 register the
102 mac80211_msg trace subsystem with tr 107 mac80211_msg trace subsystem with tracepoints to
103 collect all debugging messages, inde 108 collect all debugging messages, independent of
104 printing them into the kernel log. 109 printing them into the kernel log.
105 110
106 The overhead in this option is that 111 The overhead in this option is that all the messages
107 need to be present in the binary and 112 need to be present in the binary and formatted at
108 runtime for tracing. 113 runtime for tracing.
109 114
110 menuconfig MAC80211_DEBUG_MENU 115 menuconfig MAC80211_DEBUG_MENU
111 bool "Select mac80211 debugging featur 116 bool "Select mac80211 debugging features"
112 depends on MAC80211 117 depends on MAC80211
113 help !! 118 ---help---
114 This option collects various mac8021 119 This option collects various mac80211 debug settings.
115 120
116 config MAC80211_NOINLINE 121 config MAC80211_NOINLINE
117 bool "Do not inline TX/RX handlers" 122 bool "Do not inline TX/RX handlers"
118 depends on MAC80211_DEBUG_MENU 123 depends on MAC80211_DEBUG_MENU
119 help !! 124 ---help---
120 This option affects code generation 125 This option affects code generation in mac80211, when
121 selected some functions are marked " 126 selected some functions are marked "noinline" to allow
122 easier debugging of problems in the 127 easier debugging of problems in the transmit and receive
123 paths. 128 paths.
124 129
125 This option increases code size a bi 130 This option increases code size a bit and inserts a lot
126 of function calls in the code, but i 131 of function calls in the code, but is otherwise safe to
127 enable. 132 enable.
128 133
129 If unsure, say N unless you expect t 134 If unsure, say N unless you expect to be finding problems
130 in mac80211. 135 in mac80211.
131 136
132 config MAC80211_VERBOSE_DEBUG 137 config MAC80211_VERBOSE_DEBUG
133 bool "Verbose debugging output" 138 bool "Verbose debugging output"
134 depends on MAC80211_DEBUG_MENU 139 depends on MAC80211_DEBUG_MENU
135 help !! 140 ---help---
136 Selecting this option causes mac8021 141 Selecting this option causes mac80211 to print out
137 many debugging messages. It should n 142 many debugging messages. It should not be selected
138 on production systems as some of the 143 on production systems as some of the messages are
139 remotely triggerable. 144 remotely triggerable.
140 145
141 Do not select this option. 146 Do not select this option.
142 147
143 config MAC80211_MLME_DEBUG 148 config MAC80211_MLME_DEBUG
144 bool "Verbose managed MLME output" 149 bool "Verbose managed MLME output"
145 depends on MAC80211_DEBUG_MENU 150 depends on MAC80211_DEBUG_MENU
146 help !! 151 ---help---
147 Selecting this option causes mac8021 152 Selecting this option causes mac80211 to print out
148 debugging messages for the managed-m 153 debugging messages for the managed-mode MLME. It
149 should not be selected on production 154 should not be selected on production systems as some
150 of the messages are remotely trigger 155 of the messages are remotely triggerable.
151 156
152 Do not select this option. 157 Do not select this option.
153 158
154 config MAC80211_STA_DEBUG 159 config MAC80211_STA_DEBUG
155 bool "Verbose station debugging" 160 bool "Verbose station debugging"
156 depends on MAC80211_DEBUG_MENU 161 depends on MAC80211_DEBUG_MENU
157 help !! 162 ---help---
158 Selecting this option causes mac8021 163 Selecting this option causes mac80211 to print out
159 debugging messages for station addit 164 debugging messages for station addition/removal.
160 165
161 Do not select this option. 166 Do not select this option.
162 167
163 config MAC80211_HT_DEBUG 168 config MAC80211_HT_DEBUG
164 bool "Verbose HT debugging" 169 bool "Verbose HT debugging"
165 depends on MAC80211_DEBUG_MENU 170 depends on MAC80211_DEBUG_MENU
166 help !! 171 ---help---
167 This option enables 802.11n High Thr 172 This option enables 802.11n High Throughput features
168 debug tracing output. 173 debug tracing output.
169 174
170 It should not be selected on product 175 It should not be selected on production systems as some
171 of the messages are remotely trigger 176 of the messages are remotely triggerable.
172 177
173 Do not select this option. 178 Do not select this option.
174 179
175 config MAC80211_OCB_DEBUG 180 config MAC80211_OCB_DEBUG
176 bool "Verbose OCB debugging" 181 bool "Verbose OCB debugging"
177 depends on MAC80211_DEBUG_MENU 182 depends on MAC80211_DEBUG_MENU
178 help !! 183 ---help---
179 Selecting this option causes mac8021 184 Selecting this option causes mac80211 to print out
180 very verbose OCB debugging messages. 185 very verbose OCB debugging messages. It should not
181 be selected on production systems as 186 be selected on production systems as those messages
182 are remotely triggerable. 187 are remotely triggerable.
183 188
184 Do not select this option. 189 Do not select this option.
185 190
186 config MAC80211_IBSS_DEBUG 191 config MAC80211_IBSS_DEBUG
187 bool "Verbose IBSS debugging" 192 bool "Verbose IBSS debugging"
188 depends on MAC80211_DEBUG_MENU 193 depends on MAC80211_DEBUG_MENU
189 help !! 194 ---help---
190 Selecting this option causes mac8021 195 Selecting this option causes mac80211 to print out
191 very verbose IBSS debugging messages 196 very verbose IBSS debugging messages. It should not
192 be selected on production systems as 197 be selected on production systems as those messages
193 are remotely triggerable. 198 are remotely triggerable.
194 199
195 Do not select this option. 200 Do not select this option.
196 201
197 config MAC80211_PS_DEBUG 202 config MAC80211_PS_DEBUG
198 bool "Verbose powersave mode debugging 203 bool "Verbose powersave mode debugging"
199 depends on MAC80211_DEBUG_MENU 204 depends on MAC80211_DEBUG_MENU
200 help !! 205 ---help---
201 Selecting this option causes mac8021 206 Selecting this option causes mac80211 to print out very
202 verbose power save mode debugging me 207 verbose power save mode debugging messages (when mac80211
203 is an AP and has power saving statio 208 is an AP and has power saving stations.)
204 It should not be selected on product 209 It should not be selected on production systems as those
205 messages are remotely triggerable. 210 messages are remotely triggerable.
206 211
207 Do not select this option. 212 Do not select this option.
208 213
209 config MAC80211_MPL_DEBUG 214 config MAC80211_MPL_DEBUG
210 bool "Verbose mesh peer link debugging 215 bool "Verbose mesh peer link debugging"
211 depends on MAC80211_DEBUG_MENU 216 depends on MAC80211_DEBUG_MENU
212 depends on MAC80211_MESH 217 depends on MAC80211_MESH
213 help !! 218 ---help---
214 Selecting this option causes mac8021 219 Selecting this option causes mac80211 to print out very
215 verbose mesh peer link debugging mes 220 verbose mesh peer link debugging messages (when mac80211
216 is taking part in a mesh network). 221 is taking part in a mesh network).
217 It should not be selected on product 222 It should not be selected on production systems as those
218 messages are remotely triggerable. 223 messages are remotely triggerable.
219 224
220 Do not select this option. 225 Do not select this option.
221 226
222 config MAC80211_MPATH_DEBUG 227 config MAC80211_MPATH_DEBUG
223 bool "Verbose mesh path debugging" 228 bool "Verbose mesh path debugging"
224 depends on MAC80211_DEBUG_MENU 229 depends on MAC80211_DEBUG_MENU
225 depends on MAC80211_MESH 230 depends on MAC80211_MESH
226 help !! 231 ---help---
227 Selecting this option causes mac8021 232 Selecting this option causes mac80211 to print out very
228 verbose mesh path selection debuggin 233 verbose mesh path selection debugging messages (when mac80211
229 is taking part in a mesh network). 234 is taking part in a mesh network).
230 It should not be selected on product 235 It should not be selected on production systems as those
231 messages are remotely triggerable. 236 messages are remotely triggerable.
232 237
233 Do not select this option. 238 Do not select this option.
234 239
235 config MAC80211_MHWMP_DEBUG 240 config MAC80211_MHWMP_DEBUG
236 bool "Verbose mesh HWMP routing debugg 241 bool "Verbose mesh HWMP routing debugging"
237 depends on MAC80211_DEBUG_MENU 242 depends on MAC80211_DEBUG_MENU
238 depends on MAC80211_MESH 243 depends on MAC80211_MESH
239 help !! 244 ---help---
240 Selecting this option causes mac8021 245 Selecting this option causes mac80211 to print out very
241 verbose mesh routing (HWMP) debuggin 246 verbose mesh routing (HWMP) debugging messages (when mac80211
242 is taking part in a mesh network). 247 is taking part in a mesh network).
243 It should not be selected on product 248 It should not be selected on production systems as those
244 messages are remotely triggerable. 249 messages are remotely triggerable.
245 250
246 Do not select this option. 251 Do not select this option.
247 252
248 config MAC80211_MESH_SYNC_DEBUG 253 config MAC80211_MESH_SYNC_DEBUG
249 bool "Verbose mesh synchronization deb 254 bool "Verbose mesh synchronization debugging"
250 depends on MAC80211_DEBUG_MENU 255 depends on MAC80211_DEBUG_MENU
251 depends on MAC80211_MESH 256 depends on MAC80211_MESH
252 help !! 257 ---help---
253 Selecting this option causes mac8021 258 Selecting this option causes mac80211 to print out very verbose mesh
254 synchronization debugging messages ( 259 synchronization debugging messages (when mac80211 is taking part in a
255 mesh network). 260 mesh network).
256 261
257 Do not select this option. 262 Do not select this option.
258 263
259 config MAC80211_MESH_CSA_DEBUG 264 config MAC80211_MESH_CSA_DEBUG
260 bool "Verbose mesh channel switch debu 265 bool "Verbose mesh channel switch debugging"
261 depends on MAC80211_DEBUG_MENU 266 depends on MAC80211_DEBUG_MENU
262 depends on MAC80211_MESH 267 depends on MAC80211_MESH
263 help !! 268 ---help---
264 Selecting this option causes mac8021 269 Selecting this option causes mac80211 to print out very verbose mesh
265 channel switch debugging messages (w 270 channel switch debugging messages (when mac80211 is taking part in a
266 mesh network). 271 mesh network).
267 272
268 Do not select this option. 273 Do not select this option.
269 274
270 config MAC80211_MESH_PS_DEBUG 275 config MAC80211_MESH_PS_DEBUG
271 bool "Verbose mesh powersave debugging 276 bool "Verbose mesh powersave debugging"
272 depends on MAC80211_DEBUG_MENU 277 depends on MAC80211_DEBUG_MENU
273 depends on MAC80211_MESH 278 depends on MAC80211_MESH
274 help !! 279 ---help---
275 Selecting this option causes mac8021 280 Selecting this option causes mac80211 to print out very verbose mesh
276 powersave debugging messages (when m 281 powersave debugging messages (when mac80211 is taking part in a
277 mesh network). 282 mesh network).
278 283
279 Do not select this option. 284 Do not select this option.
280 285
281 config MAC80211_TDLS_DEBUG 286 config MAC80211_TDLS_DEBUG
282 bool "Verbose TDLS debugging" 287 bool "Verbose TDLS debugging"
283 depends on MAC80211_DEBUG_MENU 288 depends on MAC80211_DEBUG_MENU
284 help !! 289 ---help---
285 Selecting this option causes mac8021 290 Selecting this option causes mac80211 to print out very
286 verbose TDLS selection debugging mes 291 verbose TDLS selection debugging messages (when mac80211
287 is a TDLS STA). 292 is a TDLS STA).
288 It should not be selected on product 293 It should not be selected on production systems as those
289 messages are remotely triggerable. 294 messages are remotely triggerable.
290 295
291 Do not select this option. 296 Do not select this option.
292 297
293 config MAC80211_DEBUG_COUNTERS 298 config MAC80211_DEBUG_COUNTERS
294 bool "Extra statistics for TX/RX debug 299 bool "Extra statistics for TX/RX debugging"
295 depends on MAC80211_DEBUG_MENU 300 depends on MAC80211_DEBUG_MENU
296 depends on MAC80211_DEBUGFS 301 depends on MAC80211_DEBUGFS
297 help !! 302 ---help---
298 Selecting this option causes mac8021 303 Selecting this option causes mac80211 to keep additional
299 and very verbose statistics about TX 304 and very verbose statistics about TX and RX handler use
300 as well as a few selected dot11 coun 305 as well as a few selected dot11 counters. These will be
301 exposed in debugfs. 306 exposed in debugfs.
302 307
303 Note that some of the counters are n 308 Note that some of the counters are not concurrency safe
304 and may thus not always be accurate. 309 and may thus not always be accurate.
305 310
306 If unsure, say N. 311 If unsure, say N.
307 312
308 config MAC80211_STA_HASH_MAX_SIZE 313 config MAC80211_STA_HASH_MAX_SIZE
309 int "Station hash table maximum size" 314 int "Station hash table maximum size" if MAC80211_DEBUG_MENU
310 default 0 315 default 0
311 help !! 316 ---help---
312 Setting this option to a low value ( 317 Setting this option to a low value (e.g. 4) allows testing the
313 hash table with collisions relativel 318 hash table with collisions relatively deterministically (just
314 connect more stations than the numbe 319 connect more stations than the number selected here.)
315 320
316 If unsure, leave the default of 0. 321 If unsure, leave the default of 0.
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