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 depends on !KERNEL_6_2
65 help 66 help
66 Enable this option to test mac80211 67 Enable this option to test mac80211 internals with kunit.
67 68
68 If unsure, say N. 69 If unsure, say N.
69 70
70 config MAC80211_MESH 71 config MAC80211_MESH
71 bool "Enable mac80211 mesh networking 72 bool "Enable mac80211 mesh networking support"
72 depends on MAC80211 73 depends on MAC80211
73 help 74 help
74 Select this option to enable 802.11 75 Select this option to enable 802.11 mesh operation in mac80211
75 drivers that support it. 802.11 mes 76 drivers that support it. 802.11 mesh connects multiple stations
76 over (possibly multi-hop) wireless l 77 over (possibly multi-hop) wireless links to form a single logical
77 LAN. 78 LAN.
78 79
79 config MAC80211_LEDS 80 config MAC80211_LEDS
80 bool "Enable LED triggers" 81 bool "Enable LED triggers"
81 depends on MAC80211 82 depends on MAC80211
82 depends on LEDS_CLASS=y || LEDS_CLASS= 83 depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211
83 select LEDS_TRIGGERS 84 select LEDS_TRIGGERS
84 help 85 help
85 This option enables a few LED trigge 86 This option enables a few LED triggers for different
86 packet receive/transmit events. 87 packet receive/transmit events.
87 88
88 config MAC80211_DEBUGFS 89 config MAC80211_DEBUGFS
89 bool "Export mac80211 internals in Deb 90 bool "Export mac80211 internals in DebugFS"
90 depends on MAC80211 && CFG80211_DEBUGF 91 depends on MAC80211 && CFG80211_DEBUGFS
91 help 92 help
92 Select this to see extensive informa 93 Select this to see extensive information about
93 the internal state of mac80211 in de 94 the internal state of mac80211 in debugfs.
94 95
95 Say N unless you know you need this. 96 Say N unless you know you need this.
96 97
97 config MAC80211_MESSAGE_TRACING 98 config MAC80211_MESSAGE_TRACING
98 bool "Trace all mac80211 debug message 99 bool "Trace all mac80211 debug messages"
99 depends on MAC80211 && TRACING !! 100 depends on MAC80211
100 help 101 help
101 Select this option to have mac80211 102 Select this option to have mac80211 register the
102 mac80211_msg trace subsystem with tr 103 mac80211_msg trace subsystem with tracepoints to
103 collect all debugging messages, inde 104 collect all debugging messages, independent of
104 printing them into the kernel log. 105 printing them into the kernel log.
105 106
106 The overhead in this option is that 107 The overhead in this option is that all the messages
107 need to be present in the binary and 108 need to be present in the binary and formatted at
108 runtime for tracing. 109 runtime for tracing.
109 110
110 menuconfig MAC80211_DEBUG_MENU 111 menuconfig MAC80211_DEBUG_MENU
111 bool "Select mac80211 debugging featur 112 bool "Select mac80211 debugging features"
112 depends on MAC80211 113 depends on MAC80211
113 help 114 help
114 This option collects various mac8021 115 This option collects various mac80211 debug settings.
115 116
116 config MAC80211_NOINLINE 117 config MAC80211_NOINLINE
117 bool "Do not inline TX/RX handlers" 118 bool "Do not inline TX/RX handlers"
118 depends on MAC80211_DEBUG_MENU 119 depends on MAC80211_DEBUG_MENU
119 help 120 help
120 This option affects code generation 121 This option affects code generation in mac80211, when
121 selected some functions are marked " 122 selected some functions are marked "noinline" to allow
122 easier debugging of problems in the 123 easier debugging of problems in the transmit and receive
123 paths. 124 paths.
124 125
125 This option increases code size a bi 126 This option increases code size a bit and inserts a lot
126 of function calls in the code, but i 127 of function calls in the code, but is otherwise safe to
127 enable. 128 enable.
128 129
129 If unsure, say N unless you expect t 130 If unsure, say N unless you expect to be finding problems
130 in mac80211. 131 in mac80211.
131 132
132 config MAC80211_VERBOSE_DEBUG 133 config MAC80211_VERBOSE_DEBUG
133 bool "Verbose debugging output" 134 bool "Verbose debugging output"
134 depends on MAC80211_DEBUG_MENU 135 depends on MAC80211_DEBUG_MENU
135 help 136 help
136 Selecting this option causes mac8021 137 Selecting this option causes mac80211 to print out
137 many debugging messages. It should n 138 many debugging messages. It should not be selected
138 on production systems as some of the 139 on production systems as some of the messages are
139 remotely triggerable. 140 remotely triggerable.
140 141
141 Do not select this option. 142 Do not select this option.
142 143
143 config MAC80211_MLME_DEBUG 144 config MAC80211_MLME_DEBUG
144 bool "Verbose managed MLME output" 145 bool "Verbose managed MLME output"
145 depends on MAC80211_DEBUG_MENU 146 depends on MAC80211_DEBUG_MENU
146 help 147 help
147 Selecting this option causes mac8021 148 Selecting this option causes mac80211 to print out
148 debugging messages for the managed-m 149 debugging messages for the managed-mode MLME. It
149 should not be selected on production 150 should not be selected on production systems as some
150 of the messages are remotely trigger 151 of the messages are remotely triggerable.
151 152
152 Do not select this option. 153 Do not select this option.
153 154
154 config MAC80211_STA_DEBUG 155 config MAC80211_STA_DEBUG
155 bool "Verbose station debugging" 156 bool "Verbose station debugging"
156 depends on MAC80211_DEBUG_MENU 157 depends on MAC80211_DEBUG_MENU
157 help 158 help
158 Selecting this option causes mac8021 159 Selecting this option causes mac80211 to print out
159 debugging messages for station addit 160 debugging messages for station addition/removal.
160 161
161 Do not select this option. 162 Do not select this option.
162 163
163 config MAC80211_HT_DEBUG 164 config MAC80211_HT_DEBUG
164 bool "Verbose HT debugging" 165 bool "Verbose HT debugging"
165 depends on MAC80211_DEBUG_MENU 166 depends on MAC80211_DEBUG_MENU
166 help 167 help
167 This option enables 802.11n High Thr 168 This option enables 802.11n High Throughput features
168 debug tracing output. 169 debug tracing output.
169 170
170 It should not be selected on product 171 It should not be selected on production systems as some
171 of the messages are remotely trigger 172 of the messages are remotely triggerable.
172 173
173 Do not select this option. 174 Do not select this option.
174 175
175 config MAC80211_OCB_DEBUG 176 config MAC80211_OCB_DEBUG
176 bool "Verbose OCB debugging" 177 bool "Verbose OCB debugging"
177 depends on MAC80211_DEBUG_MENU 178 depends on MAC80211_DEBUG_MENU
178 help 179 help
179 Selecting this option causes mac8021 180 Selecting this option causes mac80211 to print out
180 very verbose OCB debugging messages. 181 very verbose OCB debugging messages. It should not
181 be selected on production systems as 182 be selected on production systems as those messages
182 are remotely triggerable. 183 are remotely triggerable.
183 184
184 Do not select this option. 185 Do not select this option.
185 186
186 config MAC80211_IBSS_DEBUG 187 config MAC80211_IBSS_DEBUG
187 bool "Verbose IBSS debugging" 188 bool "Verbose IBSS debugging"
188 depends on MAC80211_DEBUG_MENU 189 depends on MAC80211_DEBUG_MENU
189 help 190 help
190 Selecting this option causes mac8021 191 Selecting this option causes mac80211 to print out
191 very verbose IBSS debugging messages 192 very verbose IBSS debugging messages. It should not
192 be selected on production systems as 193 be selected on production systems as those messages
193 are remotely triggerable. 194 are remotely triggerable.
194 195
195 Do not select this option. 196 Do not select this option.
196 197
197 config MAC80211_PS_DEBUG 198 config MAC80211_PS_DEBUG
198 bool "Verbose powersave mode debugging 199 bool "Verbose powersave mode debugging"
199 depends on MAC80211_DEBUG_MENU 200 depends on MAC80211_DEBUG_MENU
200 help 201 help
201 Selecting this option causes mac8021 202 Selecting this option causes mac80211 to print out very
202 verbose power save mode debugging me 203 verbose power save mode debugging messages (when mac80211
203 is an AP and has power saving statio 204 is an AP and has power saving stations.)
204 It should not be selected on product 205 It should not be selected on production systems as those
205 messages are remotely triggerable. 206 messages are remotely triggerable.
206 207
207 Do not select this option. 208 Do not select this option.
208 209
209 config MAC80211_MPL_DEBUG 210 config MAC80211_MPL_DEBUG
210 bool "Verbose mesh peer link debugging 211 bool "Verbose mesh peer link debugging"
211 depends on MAC80211_DEBUG_MENU 212 depends on MAC80211_DEBUG_MENU
212 depends on MAC80211_MESH 213 depends on MAC80211_MESH
213 help 214 help
214 Selecting this option causes mac8021 215 Selecting this option causes mac80211 to print out very
215 verbose mesh peer link debugging mes 216 verbose mesh peer link debugging messages (when mac80211
216 is taking part in a mesh network). 217 is taking part in a mesh network).
217 It should not be selected on product 218 It should not be selected on production systems as those
218 messages are remotely triggerable. 219 messages are remotely triggerable.
219 220
220 Do not select this option. 221 Do not select this option.
221 222
222 config MAC80211_MPATH_DEBUG 223 config MAC80211_MPATH_DEBUG
223 bool "Verbose mesh path debugging" 224 bool "Verbose mesh path debugging"
224 depends on MAC80211_DEBUG_MENU 225 depends on MAC80211_DEBUG_MENU
225 depends on MAC80211_MESH 226 depends on MAC80211_MESH
226 help 227 help
227 Selecting this option causes mac8021 228 Selecting this option causes mac80211 to print out very
228 verbose mesh path selection debuggin 229 verbose mesh path selection debugging messages (when mac80211
229 is taking part in a mesh network). 230 is taking part in a mesh network).
230 It should not be selected on product 231 It should not be selected on production systems as those
231 messages are remotely triggerable. 232 messages are remotely triggerable.
232 233
233 Do not select this option. 234 Do not select this option.
234 235
235 config MAC80211_MHWMP_DEBUG 236 config MAC80211_MHWMP_DEBUG
236 bool "Verbose mesh HWMP routing debugg 237 bool "Verbose mesh HWMP routing debugging"
237 depends on MAC80211_DEBUG_MENU 238 depends on MAC80211_DEBUG_MENU
238 depends on MAC80211_MESH 239 depends on MAC80211_MESH
239 help 240 help
240 Selecting this option causes mac8021 241 Selecting this option causes mac80211 to print out very
241 verbose mesh routing (HWMP) debuggin 242 verbose mesh routing (HWMP) debugging messages (when mac80211
242 is taking part in a mesh network). 243 is taking part in a mesh network).
243 It should not be selected on product 244 It should not be selected on production systems as those
244 messages are remotely triggerable. 245 messages are remotely triggerable.
245 246
246 Do not select this option. 247 Do not select this option.
247 248
248 config MAC80211_MESH_SYNC_DEBUG 249 config MAC80211_MESH_SYNC_DEBUG
249 bool "Verbose mesh synchronization deb 250 bool "Verbose mesh synchronization debugging"
250 depends on MAC80211_DEBUG_MENU 251 depends on MAC80211_DEBUG_MENU
251 depends on MAC80211_MESH 252 depends on MAC80211_MESH
252 help 253 help
253 Selecting this option causes mac8021 254 Selecting this option causes mac80211 to print out very verbose mesh
254 synchronization debugging messages ( 255 synchronization debugging messages (when mac80211 is taking part in a
255 mesh network). 256 mesh network).
256 257
257 Do not select this option. 258 Do not select this option.
258 259
259 config MAC80211_MESH_CSA_DEBUG 260 config MAC80211_MESH_CSA_DEBUG
260 bool "Verbose mesh channel switch debu 261 bool "Verbose mesh channel switch debugging"
261 depends on MAC80211_DEBUG_MENU 262 depends on MAC80211_DEBUG_MENU
262 depends on MAC80211_MESH 263 depends on MAC80211_MESH
263 help 264 help
264 Selecting this option causes mac8021 265 Selecting this option causes mac80211 to print out very verbose mesh
265 channel switch debugging messages (w 266 channel switch debugging messages (when mac80211 is taking part in a
266 mesh network). 267 mesh network).
267 268
268 Do not select this option. 269 Do not select this option.
269 270
270 config MAC80211_MESH_PS_DEBUG 271 config MAC80211_MESH_PS_DEBUG
271 bool "Verbose mesh powersave debugging 272 bool "Verbose mesh powersave debugging"
272 depends on MAC80211_DEBUG_MENU 273 depends on MAC80211_DEBUG_MENU
273 depends on MAC80211_MESH 274 depends on MAC80211_MESH
274 help 275 help
275 Selecting this option causes mac8021 276 Selecting this option causes mac80211 to print out very verbose mesh
276 powersave debugging messages (when m 277 powersave debugging messages (when mac80211 is taking part in a
277 mesh network). 278 mesh network).
278 279
279 Do not select this option. 280 Do not select this option.
280 281
281 config MAC80211_TDLS_DEBUG 282 config MAC80211_TDLS_DEBUG
282 bool "Verbose TDLS debugging" 283 bool "Verbose TDLS debugging"
283 depends on MAC80211_DEBUG_MENU 284 depends on MAC80211_DEBUG_MENU
284 help 285 help
285 Selecting this option causes mac8021 286 Selecting this option causes mac80211 to print out very
286 verbose TDLS selection debugging mes 287 verbose TDLS selection debugging messages (when mac80211
287 is a TDLS STA). 288 is a TDLS STA).
288 It should not be selected on product 289 It should not be selected on production systems as those
289 messages are remotely triggerable. 290 messages are remotely triggerable.
290 291
291 Do not select this option. 292 Do not select this option.
292 293
293 config MAC80211_DEBUG_COUNTERS 294 config MAC80211_DEBUG_COUNTERS
294 bool "Extra statistics for TX/RX debug 295 bool "Extra statistics for TX/RX debugging"
295 depends on MAC80211_DEBUG_MENU 296 depends on MAC80211_DEBUG_MENU
296 depends on MAC80211_DEBUGFS 297 depends on MAC80211_DEBUGFS
297 help 298 help
298 Selecting this option causes mac8021 299 Selecting this option causes mac80211 to keep additional
299 and very verbose statistics about TX 300 and very verbose statistics about TX and RX handler use
300 as well as a few selected dot11 coun 301 as well as a few selected dot11 counters. These will be
301 exposed in debugfs. 302 exposed in debugfs.
302 303
303 Note that some of the counters are n 304 Note that some of the counters are not concurrency safe
304 and may thus not always be accurate. 305 and may thus not always be accurate.
305 306
306 If unsure, say N. 307 If unsure, say N.
307 308
308 config MAC80211_STA_HASH_MAX_SIZE 309 config MAC80211_STA_HASH_MAX_SIZE
309 int "Station hash table maximum size" 310 int "Station hash table maximum size" if MAC80211_DEBUG_MENU
310 default 0 311 default 0
311 help 312 help
312 Setting this option to a low value ( 313 Setting this option to a low value (e.g. 4) allows testing the
313 hash table with collisions relativel 314 hash table with collisions relatively deterministically (just
314 connect more stations than the numbe 315 connect more stations than the number selected here.)
315 316
316 If unsure, leave the default of 0. 317 If unsure, leave the default of 0.
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