1 # SPDX-License-Identifier: GPL-2.0-only <<
2 config WIRELESS_EXT 1 config WIRELESS_EXT
3 bool 2 bool
4 3
5 config WEXT_CORE 4 config WEXT_CORE
6 def_bool y 5 def_bool y
7 depends on CFG80211_WEXT || WIRELESS_E 6 depends on CFG80211_WEXT || WIRELESS_EXT
8 7
9 config WEXT_PROC 8 config WEXT_PROC
10 def_bool y 9 def_bool y
11 depends on PROC_FS 10 depends on PROC_FS
12 depends on WEXT_CORE 11 depends on WEXT_CORE
13 12
14 config WEXT_SPY 13 config WEXT_SPY
15 bool 14 bool
16 15
17 config WEXT_PRIV 16 config WEXT_PRIV
18 bool 17 bool
19 18
20 config CFG80211 19 config CFG80211
21 tristate "cfg80211 - wireless configur 20 tristate "cfg80211 - wireless configuration API"
22 depends on RFKILL || !RFKILL 21 depends on RFKILL || !RFKILL
23 select FW_LOADER !! 22 ---help---
24 select CRC32 <<
25 # may need to update this when certifi <<
26 # using a different algorithm, though <<
27 # (this is here rather than below to a <<
28 select CRYPTO_SHA256 if CFG80211_USE_K <<
29 help <<
30 cfg80211 is the Linux wireless LAN ( 23 cfg80211 is the Linux wireless LAN (802.11) configuration API.
31 Enable this if you have a wireless d 24 Enable this if you have a wireless device.
32 25
33 For more information refer to docume 26 For more information refer to documentation on the wireless wiki:
34 27
35 https://wireless.wiki.kernel.org/en/ !! 28 http://wireless.kernel.org/en/developers/Documentation/cfg80211
36 29
37 When built as a module it will be ca 30 When built as a module it will be called cfg80211.
38 31
39 if CFG80211 <<
40 <<
41 config NL80211_TESTMODE 32 config NL80211_TESTMODE
42 bool "nl80211 testmode command" 33 bool "nl80211 testmode command"
>> 34 depends on CFG80211
43 help 35 help
44 The nl80211 testmode command helps i 36 The nl80211 testmode command helps implementing things like
45 factory calibration or validation to 37 factory calibration or validation tools for wireless chips.
46 38
47 Select this option ONLY for kernels 39 Select this option ONLY for kernels that are specifically
48 built for such purposes. 40 built for such purposes.
49 41
50 Debugging tools that are supposed to 42 Debugging tools that are supposed to end up in the hands of
51 users should better be implemented w 43 users should better be implemented with debugfs.
52 44
53 Say N. 45 Say N.
54 46
55 config CFG80211_DEVELOPER_WARNINGS 47 config CFG80211_DEVELOPER_WARNINGS
56 bool "enable developer warnings" 48 bool "enable developer warnings"
>> 49 depends on CFG80211
57 default n 50 default n
58 help 51 help
59 This option enables some additional 52 This option enables some additional warnings that help
60 cfg80211 developers and driver devel 53 cfg80211 developers and driver developers, but beware that
61 they can also trigger due to races w 54 they can also trigger due to races with userspace.
62 55
63 For example, when a driver reports t 56 For example, when a driver reports that it was disconnected
64 from the AP, but the user disconnect 57 from the AP, but the user disconnects manually at the same
65 time, the warning might trigger spur 58 time, the warning might trigger spuriously due to races.
66 59
67 Say Y only if you are developing cfg 60 Say Y only if you are developing cfg80211 or a driver based
68 on it (or mac80211). 61 on it (or mac80211).
69 62
70 63
71 config CFG80211_CERTIFICATION_ONUS 64 config CFG80211_CERTIFICATION_ONUS
72 bool "cfg80211 certification onus" 65 bool "cfg80211 certification onus"
73 depends on EXPERT !! 66 depends on CFG80211 && EXPERT
74 default n 67 default n
75 help !! 68 ---help---
76 You should disable this option unles 69 You should disable this option unless you are both capable
77 and willing to ensure your system wi 70 and willing to ensure your system will remain regulatory
78 compliant with the features availabl 71 compliant with the features available under this option.
79 Some options may still be under heav 72 Some options may still be under heavy development and
80 for whatever reason regulatory compl 73 for whatever reason regulatory compliance has not or
81 cannot yet be verified. Regulatory v 74 cannot yet be verified. Regulatory verification may at
82 times only be possible until you hav 75 times only be possible until you have the final system
83 in place. 76 in place.
84 77
85 This option should only be enabled b 78 This option should only be enabled by system integrators
86 or distributions that have done work 79 or distributions that have done work necessary to ensure
87 regulatory certification on the syst 80 regulatory certification on the system with the enabled
88 features. Alternatively you can enab 81 features. Alternatively you can enable this option if
89 you are a wireless researcher and ar 82 you are a wireless researcher and are working in a controlled
90 and approved environment by your loc 83 and approved environment by your local regulatory agency.
91 84
92 config CFG80211_REQUIRE_SIGNED_REGDB <<
93 bool "require regdb signature" if CFG8 <<
94 default y <<
95 select SYSTEM_DATA_VERIFICATION <<
96 help <<
97 Require that in addition to the "reg <<
98 "regulatory.db.p7s" can be loaded wi <<
99 signature for the regulatory.db file <<
100 keys in the certs/ directory. <<
101 <<
102 config CFG80211_USE_KERNEL_REGDB_KEYS <<
103 bool "allow regdb keys shipped with th <<
104 default y <<
105 depends on CFG80211_REQUIRE_SIGNED_REG <<
106 help <<
107 Allow the regulatory database to be <<
108 which certificates are part of the k <<
109 (in net/wireless/certs/). <<
110 <<
111 This is currently only Seth Forshee' <<
112 database maintainer. <<
113 <<
114 config CFG80211_EXTRA_REGDB_KEYDIR <<
115 string "additional regdb key directory <<
116 depends on CFG80211_REQUIRE_SIGNED_REG <<
117 help <<
118 If selected, point to a directory wi <<
119 certificates like in the kernel sour <<
120 that shall be accepted for a signed <<
121 <<
122 Note that you need to also select th <<
123 for your certificates, and if cfg802 <<
124 <<
125 config CFG80211_REG_CELLULAR_HINTS 85 config CFG80211_REG_CELLULAR_HINTS
126 bool "cfg80211 regulatory support for 86 bool "cfg80211 regulatory support for cellular base station hints"
127 depends on CFG80211_CERTIFICATION_ONUS 87 depends on CFG80211_CERTIFICATION_ONUS
128 help !! 88 ---help---
129 This option enables support for pars 89 This option enables support for parsing regulatory hints
130 from cellular base stations. If enab 90 from cellular base stations. If enabled and at least one driver
131 claims support for parsing cellular 91 claims support for parsing cellular base station hints the
132 regulatory core will allow and parse 92 regulatory core will allow and parse these regulatory hints.
133 The regulatory core will only apply 93 The regulatory core will only apply these regulatory hints on
134 drivers that support this feature. Y 94 drivers that support this feature. You should only enable this
135 feature if you have tested and valid 95 feature if you have tested and validated this feature on your
136 systems. 96 systems.
137 97
138 config CFG80211_REG_RELAX_NO_IR 98 config CFG80211_REG_RELAX_NO_IR
139 bool "cfg80211 support for NO_IR relax 99 bool "cfg80211 support for NO_IR relaxation"
140 depends on CFG80211_CERTIFICATION_ONUS 100 depends on CFG80211_CERTIFICATION_ONUS
141 help !! 101 ---help---
142 This option enables support for relax 102 This option enables support for relaxation of the NO_IR flag for
143 situations that certain regulatory bo 103 situations that certain regulatory bodies have provided clarifications
144 on how relaxation can occur. This fea 104 on how relaxation can occur. This feature has an inherent dependency on
145 userspace features which must have be 105 userspace features which must have been properly tested and as such is
146 not enabled by default. 106 not enabled by default.
147 107
148 A relaxation feature example is allow 108 A relaxation feature example is allowing the operation of a P2P group
149 owner (GO) on channels marked with NO 109 owner (GO) on channels marked with NO_IR if there is an additional BSS
150 interface which associated to an AP w 110 interface which associated to an AP which userspace assumes or confirms
151 to be an authorized master, i.e., wit 111 to be an authorized master, i.e., with radar detection support and DFS
152 capabilities. However, note that in o 112 capabilities. However, note that in order to not create daisy chain
153 scenarios, this relaxation is not all 113 scenarios, this relaxation is not allowed in cases where the BSS client
154 is associated to P2P GO and in additi 114 is associated to P2P GO and in addition the P2P GO instantiated on
155 a channel due to this relaxation shou 115 a channel due to this relaxation should not allow connection from
156 non P2P clients. 116 non P2P clients.
157 117
158 The regulatory core will apply these 118 The regulatory core will apply these relaxations only for drivers that
159 support this feature by declaring the 119 support this feature by declaring the appropriate channel flags and
160 capabilities in their registration fl 120 capabilities in their registration flow.
161 121
162 config CFG80211_DEFAULT_PS 122 config CFG80211_DEFAULT_PS
163 bool "enable powersave by default" 123 bool "enable powersave by default"
>> 124 depends on CFG80211
164 default y 125 default y
165 help 126 help
166 This option enables powersave mode b 127 This option enables powersave mode by default.
167 128
168 If this causes your applications to 129 If this causes your applications to misbehave you should fix your
169 applications instead -- they need to 130 applications instead -- they need to register their network
170 latency requirement, see Documentati !! 131 latency requirement, see Documentation/power/pm_qos_interface.txt.
171 132
172 config CFG80211_DEBUGFS 133 config CFG80211_DEBUGFS
173 bool "cfg80211 DebugFS entries" 134 bool "cfg80211 DebugFS entries"
>> 135 depends on CFG80211
174 depends on DEBUG_FS 136 depends on DEBUG_FS
175 help !! 137 ---help---
176 You can enable this if you want debu 138 You can enable this if you want debugfs entries for cfg80211.
177 139
178 If unsure, say N. 140 If unsure, say N.
179 141
>> 142 config CFG80211_INTERNAL_REGDB
>> 143 bool "use statically compiled regulatory rules database" if EXPERT
>> 144 default n
>> 145 depends on CFG80211
>> 146 ---help---
>> 147 This option generates an internal data structure representing
>> 148 the wireless regulatory rules described in net/wireless/db.txt
>> 149 and includes code to query that database. This is an alternative
>> 150 to using CRDA for defining regulatory rules for the kernel.
>> 151
>> 152 Using this option requires some parsing of the db.txt at build time,
>> 153 the parser will be upkept with the latest wireless-regdb updates but
>> 154 older wireless-regdb formats will be ignored. The parser may later
>> 155 be replaced to avoid issues with conflicts on versions of
>> 156 wireless-regdb.
>> 157
>> 158 For details see:
>> 159
>> 160 http://wireless.kernel.org/en/developers/Regulatory
>> 161
>> 162 Most distributions have a CRDA package. So if unsure, say N.
>> 163
180 config CFG80211_CRDA_SUPPORT 164 config CFG80211_CRDA_SUPPORT
181 bool "support CRDA" if EXPERT !! 165 bool "support CRDA" if CFG80211_INTERNAL_REGDB
182 default y 166 default y
>> 167 depends on CFG80211
183 help 168 help
184 You should enable this option unless 169 You should enable this option unless you know for sure you have no
185 need for it, for example when using !! 170 need for it, for example when using internal regdb (above.)
186 a firmware file. <<
187 171
188 If unsure, say Y. 172 If unsure, say Y.
189 173
190 config CFG80211_WEXT 174 config CFG80211_WEXT
191 bool "cfg80211 wireless extensions com 175 bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
>> 176 depends on CFG80211
192 select WEXT_CORE 177 select WEXT_CORE
193 default y if CFG80211_WEXT_EXPORT 178 default y if CFG80211_WEXT_EXPORT
194 help 179 help
195 Enable this option if you need old u 180 Enable this option if you need old userspace for wireless
196 extensions with cfg80211-based drive 181 extensions with cfg80211-based drivers.
197 182
198 config CFG80211_WEXT_EXPORT 183 config CFG80211_WEXT_EXPORT
199 bool 184 bool
>> 185 depends on CFG80211
200 help 186 help
201 Drivers should select this option if 187 Drivers should select this option if they require cfg80211's
202 wext compatibility symbols to be exp 188 wext compatibility symbols to be exported.
203 189
204 config CFG80211_KUNIT_TEST <<
205 tristate "KUnit tests for cfg80211" if <<
206 depends on KUNIT <<
207 depends on CFG80211 <<
208 default KUNIT_ALL_TESTS <<
209 help <<
210 Enable this option to test cfg80211 <<
211 <<
212 If unsure, say N. <<
213 <<
214 endif # CFG80211 <<
215 <<
216 config LIB80211 190 config LIB80211
217 tristate 191 tristate
218 default n 192 default n
219 help 193 help
220 This options enables a library of co 194 This options enables a library of common routines used
221 by IEEE802.11 wireless LAN drivers. 195 by IEEE802.11 wireless LAN drivers.
222 196
223 Drivers should select this themselve 197 Drivers should select this themselves if needed.
224 198
225 config LIB80211_CRYPT_WEP 199 config LIB80211_CRYPT_WEP
226 tristate 200 tristate
227 select CRYPTO_LIB_ARC4 <<
228 201
229 config LIB80211_CRYPT_CCMP 202 config LIB80211_CRYPT_CCMP
230 tristate 203 tristate
231 select CRYPTO <<
232 select CRYPTO_AES <<
233 select CRYPTO_CCM <<
234 204
235 config LIB80211_CRYPT_TKIP 205 config LIB80211_CRYPT_TKIP
236 tristate 206 tristate
237 select CRYPTO_LIB_ARC4 <<
238 207
239 config LIB80211_DEBUG 208 config LIB80211_DEBUG
240 bool "lib80211 debugging messages" 209 bool "lib80211 debugging messages"
241 depends on LIB80211 210 depends on LIB80211
242 default n 211 default n
243 help !! 212 ---help---
244 You can enable this if you want verb 213 You can enable this if you want verbose debugging messages
245 from lib80211. 214 from lib80211.
246 215
247 If unsure, say N. 216 If unsure, say N.
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