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 select FW_LOADER
24 select CRC32 <<
25 # may need to update this when certifi 23 # may need to update this when certificates are changed and are
26 # using a different algorithm, though 24 # using a different algorithm, though right now they shouldn't
27 # (this is here rather than below to a 25 # (this is here rather than below to allow it to be a module)
28 select CRYPTO_SHA256 if CFG80211_USE_K 26 select CRYPTO_SHA256 if CFG80211_USE_KERNEL_REGDB_KEYS
29 help !! 27 ---help---
30 cfg80211 is the Linux wireless LAN ( 28 cfg80211 is the Linux wireless LAN (802.11) configuration API.
31 Enable this if you have a wireless d 29 Enable this if you have a wireless device.
32 30
33 For more information refer to docume 31 For more information refer to documentation on the wireless wiki:
34 32
35 https://wireless.wiki.kernel.org/en/ !! 33 http://wireless.kernel.org/en/developers/Documentation/cfg80211
36 34
37 When built as a module it will be ca 35 When built as a module it will be called cfg80211.
38 36
39 if CFG80211 37 if CFG80211
40 38
41 config NL80211_TESTMODE 39 config NL80211_TESTMODE
42 bool "nl80211 testmode command" 40 bool "nl80211 testmode command"
43 help 41 help
44 The nl80211 testmode command helps i 42 The nl80211 testmode command helps implementing things like
45 factory calibration or validation to 43 factory calibration or validation tools for wireless chips.
46 44
47 Select this option ONLY for kernels 45 Select this option ONLY for kernels that are specifically
48 built for such purposes. 46 built for such purposes.
49 47
50 Debugging tools that are supposed to 48 Debugging tools that are supposed to end up in the hands of
51 users should better be implemented w 49 users should better be implemented with debugfs.
52 50
53 Say N. 51 Say N.
54 52
55 config CFG80211_DEVELOPER_WARNINGS 53 config CFG80211_DEVELOPER_WARNINGS
56 bool "enable developer warnings" 54 bool "enable developer warnings"
57 default n 55 default n
58 help 56 help
59 This option enables some additional 57 This option enables some additional warnings that help
60 cfg80211 developers and driver devel 58 cfg80211 developers and driver developers, but beware that
61 they can also trigger due to races w 59 they can also trigger due to races with userspace.
62 60
63 For example, when a driver reports t 61 For example, when a driver reports that it was disconnected
64 from the AP, but the user disconnect 62 from the AP, but the user disconnects manually at the same
65 time, the warning might trigger spur 63 time, the warning might trigger spuriously due to races.
66 64
67 Say Y only if you are developing cfg 65 Say Y only if you are developing cfg80211 or a driver based
68 on it (or mac80211). 66 on it (or mac80211).
69 67
70 68
71 config CFG80211_CERTIFICATION_ONUS 69 config CFG80211_CERTIFICATION_ONUS
72 bool "cfg80211 certification onus" 70 bool "cfg80211 certification onus"
73 depends on EXPERT 71 depends on EXPERT
74 default n 72 default n
75 help !! 73 ---help---
76 You should disable this option unles 74 You should disable this option unless you are both capable
77 and willing to ensure your system wi 75 and willing to ensure your system will remain regulatory
78 compliant with the features availabl 76 compliant with the features available under this option.
79 Some options may still be under heav 77 Some options may still be under heavy development and
80 for whatever reason regulatory compl 78 for whatever reason regulatory compliance has not or
81 cannot yet be verified. Regulatory v 79 cannot yet be verified. Regulatory verification may at
82 times only be possible until you hav 80 times only be possible until you have the final system
83 in place. 81 in place.
84 82
85 This option should only be enabled b 83 This option should only be enabled by system integrators
86 or distributions that have done work 84 or distributions that have done work necessary to ensure
87 regulatory certification on the syst 85 regulatory certification on the system with the enabled
88 features. Alternatively you can enab 86 features. Alternatively you can enable this option if
89 you are a wireless researcher and ar 87 you are a wireless researcher and are working in a controlled
90 and approved environment by your loc 88 and approved environment by your local regulatory agency.
91 89
92 config CFG80211_REQUIRE_SIGNED_REGDB 90 config CFG80211_REQUIRE_SIGNED_REGDB
93 bool "require regdb signature" if CFG8 91 bool "require regdb signature" if CFG80211_CERTIFICATION_ONUS
94 default y 92 default y
95 select SYSTEM_DATA_VERIFICATION 93 select SYSTEM_DATA_VERIFICATION
96 help 94 help
97 Require that in addition to the "reg 95 Require that in addition to the "regulatory.db" file a
98 "regulatory.db.p7s" can be loaded wi 96 "regulatory.db.p7s" can be loaded with a valid PKCS#7
99 signature for the regulatory.db file 97 signature for the regulatory.db file made by one of the
100 keys in the certs/ directory. 98 keys in the certs/ directory.
101 99
102 config CFG80211_USE_KERNEL_REGDB_KEYS 100 config CFG80211_USE_KERNEL_REGDB_KEYS
103 bool "allow regdb keys shipped with th 101 bool "allow regdb keys shipped with the kernel" if CFG80211_CERTIFICATION_ONUS
104 default y 102 default y
105 depends on CFG80211_REQUIRE_SIGNED_REG 103 depends on CFG80211_REQUIRE_SIGNED_REGDB
106 help 104 help
107 Allow the regulatory database to be 105 Allow the regulatory database to be signed by one of the keys for
108 which certificates are part of the k 106 which certificates are part of the kernel sources
109 (in net/wireless/certs/). 107 (in net/wireless/certs/).
110 108
111 This is currently only Seth Forshee' 109 This is currently only Seth Forshee's key, who is the regulatory
112 database maintainer. 110 database maintainer.
113 111
114 config CFG80211_EXTRA_REGDB_KEYDIR 112 config CFG80211_EXTRA_REGDB_KEYDIR
115 string "additional regdb key directory 113 string "additional regdb key directory" if CFG80211_CERTIFICATION_ONUS
116 depends on CFG80211_REQUIRE_SIGNED_REG 114 depends on CFG80211_REQUIRE_SIGNED_REGDB
117 help 115 help
118 If selected, point to a directory wi 116 If selected, point to a directory with DER-encoded X.509
119 certificates like in the kernel sour 117 certificates like in the kernel sources (net/wireless/certs/)
120 that shall be accepted for a signed 118 that shall be accepted for a signed regulatory database.
121 119
122 Note that you need to also select th 120 Note that you need to also select the correct CRYPTO_<hash> modules
123 for your certificates, and if cfg802 121 for your certificates, and if cfg80211 is built-in they also must be.
124 122
125 config CFG80211_REG_CELLULAR_HINTS 123 config CFG80211_REG_CELLULAR_HINTS
126 bool "cfg80211 regulatory support for 124 bool "cfg80211 regulatory support for cellular base station hints"
127 depends on CFG80211_CERTIFICATION_ONUS 125 depends on CFG80211_CERTIFICATION_ONUS
128 help !! 126 ---help---
129 This option enables support for pars 127 This option enables support for parsing regulatory hints
130 from cellular base stations. If enab 128 from cellular base stations. If enabled and at least one driver
131 claims support for parsing cellular 129 claims support for parsing cellular base station hints the
132 regulatory core will allow and parse 130 regulatory core will allow and parse these regulatory hints.
133 The regulatory core will only apply 131 The regulatory core will only apply these regulatory hints on
134 drivers that support this feature. Y 132 drivers that support this feature. You should only enable this
135 feature if you have tested and valid 133 feature if you have tested and validated this feature on your
136 systems. 134 systems.
137 135
138 config CFG80211_REG_RELAX_NO_IR 136 config CFG80211_REG_RELAX_NO_IR
139 bool "cfg80211 support for NO_IR relax 137 bool "cfg80211 support for NO_IR relaxation"
140 depends on CFG80211_CERTIFICATION_ONUS 138 depends on CFG80211_CERTIFICATION_ONUS
141 help !! 139 ---help---
142 This option enables support for relax 140 This option enables support for relaxation of the NO_IR flag for
143 situations that certain regulatory bo 141 situations that certain regulatory bodies have provided clarifications
144 on how relaxation can occur. This fea 142 on how relaxation can occur. This feature has an inherent dependency on
145 userspace features which must have be 143 userspace features which must have been properly tested and as such is
146 not enabled by default. 144 not enabled by default.
147 145
148 A relaxation feature example is allow 146 A relaxation feature example is allowing the operation of a P2P group
149 owner (GO) on channels marked with NO 147 owner (GO) on channels marked with NO_IR if there is an additional BSS
150 interface which associated to an AP w 148 interface which associated to an AP which userspace assumes or confirms
151 to be an authorized master, i.e., wit 149 to be an authorized master, i.e., with radar detection support and DFS
152 capabilities. However, note that in o 150 capabilities. However, note that in order to not create daisy chain
153 scenarios, this relaxation is not all 151 scenarios, this relaxation is not allowed in cases where the BSS client
154 is associated to P2P GO and in additi 152 is associated to P2P GO and in addition the P2P GO instantiated on
155 a channel due to this relaxation shou 153 a channel due to this relaxation should not allow connection from
156 non P2P clients. 154 non P2P clients.
157 155
158 The regulatory core will apply these 156 The regulatory core will apply these relaxations only for drivers that
159 support this feature by declaring the 157 support this feature by declaring the appropriate channel flags and
160 capabilities in their registration fl 158 capabilities in their registration flow.
161 159
162 config CFG80211_DEFAULT_PS 160 config CFG80211_DEFAULT_PS
163 bool "enable powersave by default" 161 bool "enable powersave by default"
164 default y 162 default y
165 help 163 help
166 This option enables powersave mode b 164 This option enables powersave mode by default.
167 165
168 If this causes your applications to 166 If this causes your applications to misbehave you should fix your
169 applications instead -- they need to 167 applications instead -- they need to register their network
170 latency requirement, see Documentati !! 168 latency requirement, see Documentation/power/pm_qos_interface.txt.
171 169
172 config CFG80211_DEBUGFS 170 config CFG80211_DEBUGFS
173 bool "cfg80211 DebugFS entries" 171 bool "cfg80211 DebugFS entries"
174 depends on DEBUG_FS 172 depends on DEBUG_FS
175 help !! 173 ---help---
176 You can enable this if you want debu 174 You can enable this if you want debugfs entries for cfg80211.
177 175
178 If unsure, say N. 176 If unsure, say N.
179 177
180 config CFG80211_CRDA_SUPPORT 178 config CFG80211_CRDA_SUPPORT
181 bool "support CRDA" if EXPERT 179 bool "support CRDA" if EXPERT
182 default y 180 default y
183 help 181 help
184 You should enable this option unless 182 You should enable this option unless you know for sure you have no
185 need for it, for example when using !! 183 need for it, for example when using internal regdb (above) or the
186 a firmware file. !! 184 database loaded as a firmware file.
187 185
188 If unsure, say Y. 186 If unsure, say Y.
189 187
190 config CFG80211_WEXT 188 config CFG80211_WEXT
191 bool "cfg80211 wireless extensions com 189 bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
192 select WEXT_CORE 190 select WEXT_CORE
193 default y if CFG80211_WEXT_EXPORT 191 default y if CFG80211_WEXT_EXPORT
194 help 192 help
195 Enable this option if you need old u 193 Enable this option if you need old userspace for wireless
196 extensions with cfg80211-based drive 194 extensions with cfg80211-based drivers.
197 195
198 config CFG80211_WEXT_EXPORT 196 config CFG80211_WEXT_EXPORT
199 bool 197 bool
200 help 198 help
201 Drivers should select this option if 199 Drivers should select this option if they require cfg80211's
202 wext compatibility symbols to be exp 200 wext compatibility symbols to be exported.
203 201
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 202 endif # CFG80211
215 203
216 config LIB80211 204 config LIB80211
217 tristate 205 tristate
218 default n 206 default n
219 help 207 help
220 This options enables a library of co 208 This options enables a library of common routines used
221 by IEEE802.11 wireless LAN drivers. 209 by IEEE802.11 wireless LAN drivers.
222 210
223 Drivers should select this themselve 211 Drivers should select this themselves if needed.
224 212
225 config LIB80211_CRYPT_WEP 213 config LIB80211_CRYPT_WEP
226 tristate 214 tristate
227 select CRYPTO_LIB_ARC4 <<
228 215
229 config LIB80211_CRYPT_CCMP 216 config LIB80211_CRYPT_CCMP
230 tristate 217 tristate
231 select CRYPTO <<
232 select CRYPTO_AES <<
233 select CRYPTO_CCM <<
234 218
235 config LIB80211_CRYPT_TKIP 219 config LIB80211_CRYPT_TKIP
236 tristate 220 tristate
237 select CRYPTO_LIB_ARC4 <<
238 221
239 config LIB80211_DEBUG 222 config LIB80211_DEBUG
240 bool "lib80211 debugging messages" 223 bool "lib80211 debugging messages"
241 depends on LIB80211 224 depends on LIB80211
242 default n 225 default n
243 help !! 226 ---help---
244 You can enable this if you want verb 227 You can enable this if you want verbose debugging messages
245 from lib80211. 228 from lib80211.
246 229
247 If unsure, say N. 230 If unsure, say N.
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