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_ECB
>> 6 select CRYPTO_ARC4
7 select CRYPTO_AES 7 select CRYPTO_AES
8 select CRYPTO_CCM <<
9 select CRYPTO_GCM <<
10 select CRYPTO_CMAC <<
11 select CRC32 8 select CRC32
12 help !! 9 ---help---
13 This option enables the hardware ind 10 This option enables the hardware independent IEEE 802.11
14 networking stack. 11 networking stack.
15 12
16 comment "CFG80211 needs to be enabled for MAC8 13 comment "CFG80211 needs to be enabled for MAC80211"
17 depends on CFG80211=n 14 depends on CFG80211=n
18 15
19 if MAC80211 != n 16 if MAC80211 != n
20 17
21 config MAC80211_HAS_RC 18 config MAC80211_HAS_RC
22 bool !! 19 def_bool n
>> 20
>> 21 config MAC80211_RC_PID
>> 22 bool "PID controller based rate control algorithm" if EMBEDDED
>> 23 select MAC80211_HAS_RC
>> 24 ---help---
>> 25 This option enables a TX rate control algorithm for
>> 26 mac80211 that uses a PID controller to select the TX
>> 27 rate.
23 28
24 config MAC80211_RC_MINSTREL 29 config MAC80211_RC_MINSTREL
25 bool "Minstrel" if EXPERT !! 30 bool "Minstrel" if EMBEDDED
26 select MAC80211_HAS_RC 31 select MAC80211_HAS_RC
27 default y 32 default y
28 help !! 33 ---help---
29 This option enables the 'minstrel' T 34 This option enables the 'minstrel' TX rate control algorithm
30 35
31 choice 36 choice
32 prompt "Default rate control algorithm 37 prompt "Default rate control algorithm"
33 depends on MAC80211_HAS_RC 38 depends on MAC80211_HAS_RC
34 default MAC80211_RC_DEFAULT_MINSTREL 39 default MAC80211_RC_DEFAULT_MINSTREL
35 help !! 40 ---help---
36 This option selects the default rate 41 This option selects the default rate control algorithm
37 mac80211 will use. Note that this de 42 mac80211 will use. Note that this default can still be
38 overridden through the ieee80211_def 43 overridden through the ieee80211_default_rc_algo module
39 parameter if different algorithms ar 44 parameter if different algorithms are available.
40 45
>> 46 config MAC80211_RC_DEFAULT_PID
>> 47 bool "PID controller based rate control algorithm"
>> 48 depends on MAC80211_RC_PID
>> 49 ---help---
>> 50 Select the PID controller based rate control as the
>> 51 default rate control algorithm. You should choose
>> 52 this unless you know what you are doing.
>> 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" if MAC80211_RC_DEFAULT_MINSTREL
>> 66 default "pid" if MAC80211_RC_DEFAULT_PID
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_HAS_RC=n
59 <<
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 73
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 && EXPERIMENTAL
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 select NEW_LEDS
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 <<
98 bool "Trace all mac80211 debug message <<
99 depends on MAC80211 && TRACING <<
100 help <<
101 Select this option to have mac80211 <<
102 mac80211_msg trace subsystem with tr <<
103 collect all debugging messages, inde <<
104 printing them into the kernel log. <<
105 <<
106 The overhead in this option is that <<
107 need to be present in the binary and <<
108 runtime for tracing. <<
109 <<
110 menuconfig MAC80211_DEBUG_MENU 102 menuconfig MAC80211_DEBUG_MENU
111 bool "Select mac80211 debugging featur 103 bool "Select mac80211 debugging features"
112 depends on MAC80211 104 depends on MAC80211
113 help !! 105 ---help---
114 This option collects various mac8021 106 This option collects various mac80211 debug settings.
115 107
>> 108 config MAC80211_DEBUG_PACKET_ALIGNMENT
>> 109 bool "Enable packet alignment debugging"
>> 110 depends on MAC80211_DEBUG_MENU
>> 111 ---help---
>> 112 This option is recommended for driver authors and strongly
>> 113 discouraged for everybody else, it will trigger a warning
>> 114 when a driver hands mac80211 a buffer that is aligned in
>> 115 a way that will cause problems with the IP stack on some
>> 116 architectures.
>> 117
>> 118 Say N unless you're writing a mac80211 based driver.
>> 119
116 config MAC80211_NOINLINE 120 config MAC80211_NOINLINE
117 bool "Do not inline TX/RX handlers" 121 bool "Do not inline TX/RX handlers"
118 depends on MAC80211_DEBUG_MENU 122 depends on MAC80211_DEBUG_MENU
119 help !! 123 ---help---
120 This option affects code generation 124 This option affects code generation in mac80211, when
121 selected some functions are marked " 125 selected some functions are marked "noinline" to allow
122 easier debugging of problems in the 126 easier debugging of problems in the transmit and receive
123 paths. 127 paths.
124 128
125 This option increases code size a bi 129 This option increases code size a bit and inserts a lot
126 of function calls in the code, but i 130 of function calls in the code, but is otherwise safe to
127 enable. 131 enable.
128 132
129 If unsure, say N unless you expect t 133 If unsure, say N unless you expect to be finding problems
130 in mac80211. 134 in mac80211.
131 135
132 config MAC80211_VERBOSE_DEBUG 136 config MAC80211_VERBOSE_DEBUG
133 bool "Verbose debugging output" 137 bool "Verbose debugging output"
134 depends on MAC80211_DEBUG_MENU 138 depends on MAC80211_DEBUG_MENU
135 help !! 139 ---help---
136 Selecting this option causes mac8021 140 Selecting this option causes mac80211 to print out
137 many debugging messages. It should n 141 many debugging messages. It should not be selected
138 on production systems as some of the 142 on production systems as some of the messages are
139 remotely triggerable. 143 remotely triggerable.
140 144
141 Do not select this option. 145 Do not select this option.
142 146
143 config MAC80211_MLME_DEBUG <<
144 bool "Verbose managed MLME output" <<
145 depends on MAC80211_DEBUG_MENU <<
146 help <<
147 Selecting this option causes mac8021 <<
148 debugging messages for the managed-m <<
149 should not be selected on production <<
150 of the messages are remotely trigger <<
151 <<
152 Do not select this option. <<
153 <<
154 config MAC80211_STA_DEBUG <<
155 bool "Verbose station debugging" <<
156 depends on MAC80211_DEBUG_MENU <<
157 help <<
158 Selecting this option causes mac8021 <<
159 debugging messages for station addit <<
160 <<
161 Do not select this option. <<
162 <<
163 config MAC80211_HT_DEBUG 147 config MAC80211_HT_DEBUG
164 bool "Verbose HT debugging" 148 bool "Verbose HT debugging"
165 depends on MAC80211_DEBUG_MENU 149 depends on MAC80211_DEBUG_MENU
166 help !! 150 ---help---
167 This option enables 802.11n High Thr 151 This option enables 802.11n High Throughput features
168 debug tracing output. 152 debug tracing output.
169 153
170 It should not be selected on product 154 It should not be selected on production systems as some
171 of the messages are remotely trigger 155 of the messages are remotely triggerable.
172 156
173 Do not select this option. 157 Do not select this option.
174 158
175 config MAC80211_OCB_DEBUG !! 159 config MAC80211_TKIP_DEBUG
176 bool "Verbose OCB debugging" !! 160 bool "Verbose TKIP debugging"
177 depends on MAC80211_DEBUG_MENU 161 depends on MAC80211_DEBUG_MENU
178 help !! 162 ---help---
179 Selecting this option causes mac8021 163 Selecting this option causes mac80211 to print out
180 very verbose OCB debugging messages. !! 164 very verbose TKIP debugging messages. It should not
181 be selected on production systems as 165 be selected on production systems as those messages
182 are remotely triggerable. 166 are remotely triggerable.
183 167
184 Do not select this option. 168 Do not select this option.
185 169
186 config MAC80211_IBSS_DEBUG 170 config MAC80211_IBSS_DEBUG
187 bool "Verbose IBSS debugging" 171 bool "Verbose IBSS debugging"
188 depends on MAC80211_DEBUG_MENU 172 depends on MAC80211_DEBUG_MENU
189 help !! 173 ---help---
190 Selecting this option causes mac8021 174 Selecting this option causes mac80211 to print out
191 very verbose IBSS debugging messages 175 very verbose IBSS debugging messages. It should not
192 be selected on production systems as 176 be selected on production systems as those messages
193 are remotely triggerable. 177 are remotely triggerable.
194 178
195 Do not select this option. 179 Do not select this option.
196 180
197 config MAC80211_PS_DEBUG !! 181 config MAC80211_VERBOSE_PS_DEBUG
198 bool "Verbose powersave mode debugging 182 bool "Verbose powersave mode debugging"
199 depends on MAC80211_DEBUG_MENU 183 depends on MAC80211_DEBUG_MENU
200 help !! 184 ---help---
201 Selecting this option causes mac8021 185 Selecting this option causes mac80211 to print out very
202 verbose power save mode debugging me 186 verbose power save mode debugging messages (when mac80211
203 is an AP and has power saving statio 187 is an AP and has power saving stations.)
204 It should not be selected on product 188 It should not be selected on production systems as those
205 messages are remotely triggerable. 189 messages are remotely triggerable.
206 190
207 Do not select this option. 191 Do not select this option.
208 192
209 config MAC80211_MPL_DEBUG !! 193 config MAC80211_VERBOSE_MPL_DEBUG
210 bool "Verbose mesh peer link debugging 194 bool "Verbose mesh peer link debugging"
211 depends on MAC80211_DEBUG_MENU 195 depends on MAC80211_DEBUG_MENU
212 depends on MAC80211_MESH 196 depends on MAC80211_MESH
213 help !! 197 ---help---
214 Selecting this option causes mac8021 198 Selecting this option causes mac80211 to print out very
215 verbose mesh peer link debugging mes 199 verbose mesh peer link debugging messages (when mac80211
216 is taking part in a mesh network). 200 is taking part in a mesh network).
217 It should not be selected on product 201 It should not be selected on production systems as those
218 messages are remotely triggerable. 202 messages are remotely triggerable.
219 203
220 Do not select this option. 204 Do not select this option.
221 205
222 config 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 mac8021 <<
228 verbose mesh path selection debuggin <<
229 is taking part in a mesh network). <<
230 It should not be selected on product <<
231 messages are remotely triggerable. <<
232 <<
233 Do not select this option. <<
234 <<
235 config MAC80211_MHWMP_DEBUG <<
236 bool "Verbose mesh HWMP routing debugg <<
237 depends on MAC80211_DEBUG_MENU <<
238 depends on MAC80211_MESH <<
239 help <<
240 Selecting this option causes mac8021 <<
241 verbose mesh routing (HWMP) debuggin <<
242 is taking part in a mesh network). <<
243 It should not be selected on product <<
244 messages are remotely triggerable. <<
245 <<
246 Do not select this option. <<
247 <<
248 config MAC80211_MESH_SYNC_DEBUG <<
249 bool "Verbose mesh synchronization deb <<
250 depends on MAC80211_DEBUG_MENU <<
251 depends on MAC80211_MESH <<
252 help <<
253 Selecting this option causes mac8021 <<
254 synchronization debugging messages ( <<
255 mesh network). <<
256 <<
257 Do not select this option. <<
258 <<
259 config MAC80211_MESH_CSA_DEBUG <<
260 bool "Verbose mesh channel switch debu <<
261 depends on MAC80211_DEBUG_MENU <<
262 depends on MAC80211_MESH <<
263 help <<
264 Selecting this option causes mac8021 <<
265 channel switch debugging messages (w <<
266 mesh network). <<
267 <<
268 Do not select this option. <<
269 <<
270 config 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 mac8021 <<
276 powersave debugging messages (when m <<
277 mesh network). <<
278 <<
279 Do not select this option. <<
280 <<
281 config MAC80211_TDLS_DEBUG <<
282 bool "Verbose TDLS debugging" <<
283 depends on MAC80211_DEBUG_MENU <<
284 help <<
285 Selecting this option causes mac8021 <<
286 verbose TDLS selection debugging mes <<
287 is a TDLS STA). <<
288 It should not be selected on product <<
289 messages are remotely triggerable. <<
290 <<
291 Do not select this option. <<
292 <<
293 config MAC80211_DEBUG_COUNTERS 206 config MAC80211_DEBUG_COUNTERS
294 bool "Extra statistics for TX/RX debug 207 bool "Extra statistics for TX/RX debugging"
295 depends on MAC80211_DEBUG_MENU 208 depends on MAC80211_DEBUG_MENU
296 depends on MAC80211_DEBUGFS 209 depends on MAC80211_DEBUGFS
297 help !! 210 ---help---
298 Selecting this option causes mac8021 211 Selecting this option causes mac80211 to keep additional
299 and very verbose statistics about TX 212 and very verbose statistics about TX and RX handler use
300 as well as a few selected dot11 coun !! 213 and show them in debugfs.
301 exposed in debugfs. <<
302 <<
303 Note that some of the counters are n <<
304 and may thus not always be accurate. <<
305 214
306 If unsure, say N. 215 If unsure, say N.
307 216
308 config MAC80211_STA_HASH_MAX_SIZE !! 217 config MAC80211_DRIVER_API_TRACER
309 int "Station hash table maximum size" !! 218 bool "Driver API tracer"
310 default 0 !! 219 depends on MAC80211_DEBUG_MENU
>> 220 depends on EVENT_TRACING
311 help 221 help
312 Setting this option to a low value ( !! 222 Say Y here to make mac80211 register with the ftrace
313 hash table with collisions relativel !! 223 framework for the driver API -- you can see which
314 connect more stations than the numbe !! 224 driver methods it is calling then by looking at the
>> 225 trace.
315 226
316 If unsure, leave the default of 0. !! 227 If unsure, say N.
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