6 depends on CFG80211_WEXT || WIRELESS_EXT
20 tristate "cfg80211 - wireless configuration API"
21 depends on RFKILL || !RFKILL
23 # may need to update this when certificates are changed and are
24 # using a different algorithm, though right now they shouldn't
25 # (this is here rather than below to allow it to be a module)
26 select CRYPTO_SHA256 if CFG80211_USE_KERNEL_REGDB_KEYS
28 cfg80211 is the Linux wireless LAN (802.11) configuration API.
29 Enable this if you have a wireless device.
31 For more information refer to documentation on the wireless wiki:
33 http://wireless.kernel.org/en/developers/Documentation/cfg80211
35 When built as a module it will be called cfg80211.
39 config NL80211_TESTMODE
40 bool "nl80211 testmode command"
42 The nl80211 testmode command helps implementing things like
43 factory calibration or validation tools for wireless chips.
45 Select this option ONLY for kernels that are specifically
46 built for such purposes.
48 Debugging tools that are supposed to end up in the hands of
49 users should better be implemented with debugfs.
53 config CFG80211_DEVELOPER_WARNINGS
54 bool "enable developer warnings"
57 This option enables some additional warnings that help
58 cfg80211 developers and driver developers, but beware that
59 they can also trigger due to races with userspace.
61 For example, when a driver reports that it was disconnected
62 from the AP, but the user disconnects manually at the same
63 time, the warning might trigger spuriously due to races.
65 Say Y only if you are developing cfg80211 or a driver based
69 config CFG80211_CERTIFICATION_ONUS
70 bool "cfg80211 certification onus"
74 You should disable this option unless you are both capable
75 and willing to ensure your system will remain regulatory
76 compliant with the features available under this option.
77 Some options may still be under heavy development and
78 for whatever reason regulatory compliance has not or
79 cannot yet be verified. Regulatory verification may at
80 times only be possible until you have the final system
83 This option should only be enabled by system integrators
84 or distributions that have done work necessary to ensure
85 regulatory certification on the system with the enabled
86 features. Alternatively you can enable this option if
87 you are a wireless researcher and are working in a controlled
88 and approved environment by your local regulatory agency.
90 config CFG80211_REQUIRE_SIGNED_REGDB
91 bool "require regdb signature" if CFG80211_CERTIFICATION_ONUS
93 select SYSTEM_DATA_VERIFICATION
95 Require that in addition to the "regulatory.db" file a
96 "regulatory.db.p7s" can be loaded with a valid PKCS#7
97 signature for the regulatory.db file made by one of the
98 keys in the certs/ directory.
100 config CFG80211_USE_KERNEL_REGDB_KEYS
101 bool "allow regdb keys shipped with the kernel" if CFG80211_CERTIFICATION_ONUS
103 depends on CFG80211_REQUIRE_SIGNED_REGDB
105 Allow the regulatory database to be signed by one of the keys for
106 which certificates are part of the kernel sources
107 (in net/wireless/certs/).
109 This is currently only Seth Forshee's key, who is the regulatory
112 config CFG80211_EXTRA_REGDB_KEYDIR
113 string "additional regdb key directory" if CFG80211_CERTIFICATION_ONUS
114 depends on CFG80211_REQUIRE_SIGNED_REGDB
116 If selected, point to a directory with DER-encoded X.509
117 certificates like in the kernel sources (net/wireless/certs/)
118 that shall be accepted for a signed regulatory database.
120 Note that you need to also select the correct CRYPTO_<hash> modules
121 for your certificates, and if cfg80211 is built-in they also must be.
123 config CFG80211_REG_CELLULAR_HINTS
124 bool "cfg80211 regulatory support for cellular base station hints"
125 depends on CFG80211_CERTIFICATION_ONUS
127 This option enables support for parsing regulatory hints
128 from cellular base stations. If enabled and at least one driver
129 claims support for parsing cellular base station hints the
130 regulatory core will allow and parse these regulatory hints.
131 The regulatory core will only apply these regulatory hints on
132 drivers that support this feature. You should only enable this
133 feature if you have tested and validated this feature on your
136 config CFG80211_REG_RELAX_NO_IR
137 bool "cfg80211 support for NO_IR relaxation"
138 depends on CFG80211_CERTIFICATION_ONUS
140 This option enables support for relaxation of the NO_IR flag for
141 situations that certain regulatory bodies have provided clarifications
142 on how relaxation can occur. This feature has an inherent dependency on
143 userspace features which must have been properly tested and as such is
144 not enabled by default.
146 A relaxation feature example is allowing the operation of a P2P group
147 owner (GO) on channels marked with NO_IR if there is an additional BSS
148 interface which associated to an AP which userspace assumes or confirms
149 to be an authorized master, i.e., with radar detection support and DFS
150 capabilities. However, note that in order to not create daisy chain
151 scenarios, this relaxation is not allowed in cases where the BSS client
152 is associated to P2P GO and in addition the P2P GO instantiated on
153 a channel due to this relaxation should not allow connection from
156 The regulatory core will apply these relaxations only for drivers that
157 support this feature by declaring the appropriate channel flags and
158 capabilities in their registration flow.
160 config CFG80211_DEFAULT_PS
161 bool "enable powersave by default"
164 This option enables powersave mode by default.
166 If this causes your applications to misbehave you should fix your
167 applications instead -- they need to register their network
168 latency requirement, see Documentation/power/pm_qos_interface.txt.
170 config CFG80211_DEBUGFS
171 bool "cfg80211 DebugFS entries"
174 You can enable this if you want debugfs entries for cfg80211.
178 config CFG80211_CRDA_SUPPORT
179 bool "support CRDA" if EXPERT
182 You should enable this option unless you know for sure you have no
183 need for it, for example when using internal regdb (above) or the
184 database loaded as a firmware file.
189 bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
191 default y if CFG80211_WEXT_EXPORT
193 Enable this option if you need old userspace for wireless
194 extensions with cfg80211-based drivers.
196 config CFG80211_WEXT_EXPORT
199 Drivers should select this option if they require cfg80211's
200 wext compatibility symbols to be exported.
208 This options enables a library of common routines used
209 by IEEE802.11 wireless LAN drivers.
211 Drivers should select this themselves if needed.
213 config LIB80211_CRYPT_WEP
216 config LIB80211_CRYPT_CCMP
219 config LIB80211_CRYPT_TKIP
222 config LIB80211_DEBUG
223 bool "lib80211 debugging messages"
227 You can enable this if you want verbose debugging messages