1 1.1 christos # Example wpa_supplicant build time configuration 2 1.1 christos # 3 1.1 christos # This file lists the configuration options that are used when building the 4 1.4 christos # wpa_supplicant binary. All lines starting with # are ignored. Configuration 5 1.4 christos # option lines must be commented out complete, if they are not to be included, 6 1.4 christos # i.e., just setting VARIABLE=n is not disabling that variable. 7 1.1 christos # 8 1.1 christos # This file is included in Makefile, so variables like CFLAGS and LIBS can also 9 1.1 christos # be modified from here. In most cases, these lines should use += in order not 10 1.1 christos # to override previous values of the variables. 11 1.1 christos 12 1.1 christos 13 1.1 christos # Uncomment following two lines and fix the paths if you have installed OpenSSL 14 1.1 christos # or GnuTLS in non-default location 15 1.1 christos #CFLAGS += -I/usr/local/openssl/include 16 1.1 christos #LIBS += -L/usr/local/openssl/lib 17 1.1 christos 18 1.1 christos # Some Red Hat versions seem to include kerberos header files from OpenSSL, but 19 1.1 christos # the kerberos files are not in the default include path. Following line can be 20 1.1 christos # used to fix build issues on such systems (krb5.h not found). 21 1.1 christos #CFLAGS += -I/usr/include/kerberos 22 1.1 christos 23 1.2 roy # Driver interface for generic Linux wireless extensions 24 1.2 roy # Note: WEXT is deprecated in the current Linux kernel version and no new 25 1.2 roy # functionality is added to it. nl80211-based interface is the new 26 1.2 roy # replacement for WEXT and its use allows wpa_supplicant to properly control 27 1.2 roy # the driver to improve existing functionality like roaming and to support new 28 1.2 roy # functionality. 29 1.2 roy CONFIG_DRIVER_WEXT=y 30 1.1 christos 31 1.2 roy # Driver interface for Linux drivers using the nl80211 kernel interface 32 1.2 roy CONFIG_DRIVER_NL80211=y 33 1.1 christos 34 1.3 christos # QCA vendor extensions to nl80211 35 1.3 christos #CONFIG_DRIVER_NL80211_QCA=y 36 1.3 christos 37 1.2 roy # driver_nl80211.c requires libnl. If you are compiling it yourself 38 1.2 roy # you may need to point hostapd to your version of libnl. 39 1.2 roy # 40 1.2 roy #CFLAGS += -I$<path to libnl include files> 41 1.2 roy #LIBS += -L$<path to libnl library files> 42 1.1 christos 43 1.2 roy # Use libnl v2.0 (or 3.0) libraries. 44 1.2 roy #CONFIG_LIBNL20=y 45 1.2 roy 46 1.2 roy # Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored) 47 1.4 christos CONFIG_LIBNL32=y 48 1.1 christos 49 1.1 christos 50 1.1 christos # Driver interface for FreeBSD net80211 layer (e.g., Atheros driver) 51 1.1 christos #CONFIG_DRIVER_BSD=y 52 1.1 christos #CFLAGS += -I/usr/local/include 53 1.1 christos #LIBS += -L/usr/local/lib 54 1.1 christos #LIBS_p += -L/usr/local/lib 55 1.1 christos #LIBS_c += -L/usr/local/lib 56 1.1 christos 57 1.1 christos # Driver interface for Windows NDIS 58 1.1 christos #CONFIG_DRIVER_NDIS=y 59 1.1 christos #CFLAGS += -I/usr/include/w32api/ddk 60 1.1 christos #LIBS += -L/usr/local/lib 61 1.1 christos # For native build using mingw 62 1.1 christos #CONFIG_NATIVE_WINDOWS=y 63 1.1 christos # Additional directories for cross-compilation on Linux host for mingw target 64 1.1 christos #CFLAGS += -I/opt/mingw/mingw32/include/ddk 65 1.1 christos #LIBS += -L/opt/mingw/mingw32/lib 66 1.1 christos #CC=mingw32-gcc 67 1.1 christos # By default, driver_ndis uses WinPcap for low-level operations. This can be 68 1.1 christos # replaced with the following option which replaces WinPcap calls with NDISUIO. 69 1.1 christos # However, this requires that WZC is disabled (net stop wzcsvc) before starting 70 1.1 christos # wpa_supplicant. 71 1.1 christos # CONFIG_USE_NDISUIO=y 72 1.1 christos 73 1.1 christos # Driver interface for wired Ethernet drivers 74 1.1 christos CONFIG_DRIVER_WIRED=y 75 1.1 christos 76 1.4 christos # Driver interface for MACsec capable Qualcomm Atheros drivers 77 1.4 christos #CONFIG_DRIVER_MACSEC_QCA=y 78 1.4 christos 79 1.4 christos # Driver interface for Linux MACsec drivers 80 1.6 christos CONFIG_DRIVER_MACSEC_LINUX=y 81 1.4 christos 82 1.1 christos # Driver interface for the Broadcom RoboSwitch family 83 1.1 christos #CONFIG_DRIVER_ROBOSWITCH=y 84 1.1 christos 85 1.1 christos # Driver interface for no driver (e.g., WPS ER only) 86 1.1 christos #CONFIG_DRIVER_NONE=y 87 1.1 christos 88 1.2 roy # Solaris libraries 89 1.2 roy #LIBS += -lsocket -ldlpi -lnsl 90 1.2 roy #LIBS_c += -lsocket 91 1.2 roy 92 1.4 christos # Enable IEEE 802.1X Supplicant (automatically included if any EAP method or 93 1.4 christos # MACsec is included) 94 1.1 christos CONFIG_IEEE8021X_EAPOL=y 95 1.1 christos 96 1.1 christos # EAP-MD5 97 1.1 christos CONFIG_EAP_MD5=y 98 1.1 christos 99 1.1 christos # EAP-MSCHAPv2 100 1.1 christos CONFIG_EAP_MSCHAPV2=y 101 1.1 christos 102 1.1 christos # EAP-TLS 103 1.1 christos CONFIG_EAP_TLS=y 104 1.6 christos # Enable EAP-TLSv1.3 support by default (currently disabled unless explicitly 105 1.6 christos # enabled in network configuration) 106 1.6 christos #CONFIG_EAP_TLSV1_3=y 107 1.1 christos 108 1.1 christos # EAL-PEAP 109 1.1 christos CONFIG_EAP_PEAP=y 110 1.1 christos 111 1.1 christos # EAP-TTLS 112 1.1 christos CONFIG_EAP_TTLS=y 113 1.1 christos 114 1.1 christos # EAP-FAST 115 1.5 christos CONFIG_EAP_FAST=y 116 1.5 christos 117 1.5 christos # EAP-TEAP 118 1.5 christos # Note: The current EAP-TEAP implementation is experimental and should not be 119 1.5 christos # enabled for production use. The IETF RFC 7170 that defines EAP-TEAP has number 120 1.5 christos # of conflicting statements and missing details and the implementation has 121 1.5 christos # vendor specific workarounds for those and as such, may not interoperate with 122 1.5 christos # any other implementation. This should not be used for anything else than 123 1.5 christos # experimentation and interoperability testing until those issues has been 124 1.5 christos # resolved. 125 1.5 christos #CONFIG_EAP_TEAP=y 126 1.1 christos 127 1.1 christos # EAP-GTC 128 1.1 christos CONFIG_EAP_GTC=y 129 1.1 christos 130 1.1 christos # EAP-OTP 131 1.1 christos CONFIG_EAP_OTP=y 132 1.1 christos 133 1.1 christos # EAP-SIM (enable CONFIG_PCSC, if EAP-SIM is used) 134 1.1 christos #CONFIG_EAP_SIM=y 135 1.1 christos 136 1.5 christos # Enable SIM simulator (Milenage) for EAP-SIM 137 1.5 christos #CONFIG_SIM_SIMULATOR=y 138 1.5 christos 139 1.1 christos # EAP-PSK (experimental; this is _not_ needed for WPA-PSK) 140 1.1 christos #CONFIG_EAP_PSK=y 141 1.1 christos 142 1.2 roy # EAP-pwd (secure authentication using only a password) 143 1.5 christos CONFIG_EAP_PWD=y 144 1.2 roy 145 1.1 christos # EAP-PAX 146 1.5 christos CONFIG_EAP_PAX=y 147 1.1 christos 148 1.1 christos # LEAP 149 1.1 christos CONFIG_EAP_LEAP=y 150 1.1 christos 151 1.1 christos # EAP-AKA (enable CONFIG_PCSC, if EAP-AKA is used) 152 1.1 christos #CONFIG_EAP_AKA=y 153 1.1 christos 154 1.1 christos # EAP-AKA' (enable CONFIG_PCSC, if EAP-AKA' is used). 155 1.1 christos # This requires CONFIG_EAP_AKA to be enabled, too. 156 1.1 christos #CONFIG_EAP_AKA_PRIME=y 157 1.1 christos 158 1.1 christos # Enable USIM simulator (Milenage) for EAP-AKA 159 1.1 christos #CONFIG_USIM_SIMULATOR=y 160 1.1 christos 161 1.1 christos # EAP-SAKE 162 1.5 christos CONFIG_EAP_SAKE=y 163 1.1 christos 164 1.1 christos # EAP-GPSK 165 1.5 christos CONFIG_EAP_GPSK=y 166 1.1 christos # Include support for optional SHA256 cipher suite in EAP-GPSK 167 1.5 christos CONFIG_EAP_GPSK_SHA256=y 168 1.1 christos 169 1.1 christos # EAP-TNC and related Trusted Network Connect support (experimental) 170 1.5 christos CONFIG_EAP_TNC=y 171 1.1 christos 172 1.1 christos # Wi-Fi Protected Setup (WPS) 173 1.5 christos CONFIG_WPS=y 174 1.2 roy # Enable WPS external registrar functionality 175 1.2 roy #CONFIG_WPS_ER=y 176 1.2 roy # Disable credentials for an open network by default when acting as a WPS 177 1.2 roy # registrar. 178 1.2 roy #CONFIG_WPS_REG_DISABLE_OPEN=y 179 1.2 roy # Enable WPS support with NFC config method 180 1.2 roy #CONFIG_WPS_NFC=y 181 1.1 christos 182 1.1 christos # EAP-IKEv2 183 1.5 christos CONFIG_EAP_IKEV2=y 184 1.1 christos 185 1.2 roy # EAP-EKE 186 1.2 roy #CONFIG_EAP_EKE=y 187 1.2 roy 188 1.4 christos # MACsec 189 1.6 christos CONFIG_MACSEC=y 190 1.4 christos 191 1.1 christos # PKCS#12 (PFX) support (used to read private key and certificate file from 192 1.1 christos # a file that usually has extension .p12 or .pfx) 193 1.1 christos CONFIG_PKCS12=y 194 1.1 christos 195 1.1 christos # Smartcard support (i.e., private key on a smartcard), e.g., with openssl 196 1.1 christos # engine. 197 1.1 christos CONFIG_SMARTCARD=y 198 1.1 christos 199 1.1 christos # PC/SC interface for smartcards (USIM, GSM SIM) 200 1.1 christos # Enable this if EAP-SIM or EAP-AKA is included 201 1.1 christos #CONFIG_PCSC=y 202 1.1 christos 203 1.2 roy # Support HT overrides (disable HT/HT40, mask MCS rates, etc.) 204 1.2 roy #CONFIG_HT_OVERRIDES=y 205 1.2 roy 206 1.2 roy # Support VHT overrides (disable VHT, mask MCS rates, etc.) 207 1.2 roy #CONFIG_VHT_OVERRIDES=y 208 1.2 roy 209 1.6 christos # Support HE overrides 210 1.6 christos #CONFIG_HE_OVERRIDES=y 211 1.6 christos 212 1.1 christos # Development testing 213 1.1 christos #CONFIG_EAPOL_TEST=y 214 1.1 christos 215 1.6 christos # Support IPv6 216 1.6 christos CONFIG_IPV6=y 217 1.6 christos 218 1.1 christos # Select control interface backend for external programs, e.g, wpa_cli: 219 1.1 christos # unix = UNIX domain sockets (default for Linux/*BSD) 220 1.1 christos # udp = UDP sockets using localhost (127.0.0.1) 221 1.2 roy # udp6 = UDP IPv6 sockets using localhost (::1) 222 1.1 christos # named_pipe = Windows Named Pipe (default for Windows) 223 1.2 roy # udp-remote = UDP sockets with remote access (only for tests systems/purpose) 224 1.2 roy # udp6-remote = UDP IPv6 sockets with remote access (only for tests purpose) 225 1.1 christos # y = use default (backwards compatibility) 226 1.1 christos # If this option is commented out, control interface is not included in the 227 1.1 christos # build. 228 1.1 christos CONFIG_CTRL_IFACE=y 229 1.1 christos 230 1.1 christos # Include support for GNU Readline and History Libraries in wpa_cli. 231 1.1 christos # When building a wpa_cli binary for distribution, please note that these 232 1.1 christos # libraries are licensed under GPL and as such, BSD license may not apply for 233 1.1 christos # the resulting binary. 234 1.1 christos #CONFIG_READLINE=y 235 1.1 christos 236 1.2 roy # Include internal line edit mode in wpa_cli. This can be used as a replacement 237 1.2 roy # for GNU Readline to provide limited command line editing and history support. 238 1.2 roy #CONFIG_WPA_CLI_EDIT=y 239 1.2 roy 240 1.1 christos # Remove debugging code that is printing out debug message to stdout. 241 1.1 christos # This can be used to reduce the size of the wpa_supplicant considerably 242 1.1 christos # if debugging code is not needed. The size reduction can be around 35% 243 1.1 christos # (e.g., 90 kB). 244 1.1 christos #CONFIG_NO_STDOUT_DEBUG=y 245 1.1 christos 246 1.1 christos # Remove WPA support, e.g., for wired-only IEEE 802.1X supplicant, to save 247 1.1 christos # 35-50 kB in code size. 248 1.1 christos #CONFIG_NO_WPA=y 249 1.1 christos 250 1.1 christos # Remove IEEE 802.11i/WPA-Personal ASCII passphrase support 251 1.1 christos # This option can be used to reduce code size by removing support for 252 1.1 christos # converting ASCII passphrases into PSK. If this functionality is removed, the 253 1.1 christos # PSK can only be configured as the 64-octet hexstring (e.g., from 254 1.1 christos # wpa_passphrase). This saves about 0.5 kB in code size. 255 1.1 christos #CONFIG_NO_WPA_PASSPHRASE=y 256 1.1 christos 257 1.5 christos # Simultaneous Authentication of Equals (SAE), WPA3-Personal 258 1.5 christos CONFIG_SAE=y 259 1.5 christos 260 1.6 christos # SAE Public Key, WPA3-Personal 261 1.6 christos #CONFIG_SAE_PK=y 262 1.6 christos 263 1.6 christos # Disable scan result processing (ap_scan=1) to save code size by about 1 kB. 264 1.1 christos # This can be used if ap_scan=1 mode is never enabled. 265 1.1 christos #CONFIG_NO_SCAN_PROCESSING=y 266 1.1 christos 267 1.1 christos # Select configuration backend: 268 1.1 christos # file = text file (e.g., wpa_supplicant.conf; note: the configuration file 269 1.1 christos # path is given on command line, not here; this option is just used to 270 1.1 christos # select the backend that allows configuration files to be used) 271 1.1 christos # winreg = Windows registry (see win_example.reg for an example) 272 1.1 christos CONFIG_BACKEND=file 273 1.1 christos 274 1.1 christos # Remove configuration write functionality (i.e., to allow the configuration 275 1.1 christos # file to be updated based on runtime configuration changes). The runtime 276 1.1 christos # configuration can still be changed, the changes are just not going to be 277 1.1 christos # persistent over restarts. This option can be used to reduce code size by 278 1.1 christos # about 3.5 kB. 279 1.1 christos #CONFIG_NO_CONFIG_WRITE=y 280 1.1 christos 281 1.1 christos # Remove support for configuration blobs to reduce code size by about 1.5 kB. 282 1.1 christos #CONFIG_NO_CONFIG_BLOBS=y 283 1.1 christos 284 1.1 christos # Select program entry point implementation: 285 1.1 christos # main = UNIX/POSIX like main() function (default) 286 1.1 christos # main_winsvc = Windows service (read parameters from registry) 287 1.1 christos # main_none = Very basic example (development use only) 288 1.1 christos #CONFIG_MAIN=main 289 1.1 christos 290 1.2 roy # Select wrapper for operating system and C library specific functions 291 1.1 christos # unix = UNIX/POSIX like systems (default) 292 1.1 christos # win32 = Windows systems 293 1.1 christos # none = Empty template 294 1.1 christos #CONFIG_OS=unix 295 1.1 christos 296 1.1 christos # Select event loop implementation 297 1.1 christos # eloop = select() loop (default) 298 1.1 christos # eloop_win = Windows events and WaitForMultipleObject() loop 299 1.1 christos #CONFIG_ELOOP=eloop 300 1.1 christos 301 1.2 roy # Should we use poll instead of select? Select is used by default. 302 1.2 roy #CONFIG_ELOOP_POLL=y 303 1.2 roy 304 1.2 roy # Should we use epoll instead of select? Select is used by default. 305 1.2 roy #CONFIG_ELOOP_EPOLL=y 306 1.2 roy 307 1.3 christos # Should we use kqueue instead of select? Select is used by default. 308 1.3 christos #CONFIG_ELOOP_KQUEUE=y 309 1.3 christos 310 1.1 christos # Select layer 2 packet implementation 311 1.1 christos # linux = Linux packet socket (default) 312 1.1 christos # pcap = libpcap/libdnet/WinPcap 313 1.1 christos # freebsd = FreeBSD libpcap 314 1.1 christos # winpcap = WinPcap with receive thread 315 1.1 christos # ndis = Windows NDISUIO (note: requires CONFIG_USE_NDISUIO=y) 316 1.1 christos # none = Empty template 317 1.1 christos #CONFIG_L2_PACKET=linux 318 1.1 christos 319 1.3 christos # Disable Linux packet socket workaround applicable for station interface 320 1.3 christos # in a bridge for EAPOL frames. This should be uncommented only if the kernel 321 1.3 christos # is known to not have the regression issue in packet socket behavior with 322 1.3 christos # bridge interfaces (commit 'bridge: respect RFC2863 operational state')'). 323 1.3 christos #CONFIG_NO_LINUX_PACKET_SOCKET_WAR=y 324 1.3 christos 325 1.5 christos # Support Operating Channel Validation 326 1.5 christos #CONFIG_OCV=y 327 1.1 christos 328 1.1 christos # Select TLS implementation 329 1.1 christos # openssl = OpenSSL (default) 330 1.2 roy # gnutls = GnuTLS 331 1.1 christos # internal = Internal TLSv1 implementation (experimental) 332 1.4 christos # linux = Linux kernel AF_ALG and internal TLSv1 implementation (experimental) 333 1.1 christos # none = Empty template 334 1.1 christos #CONFIG_TLS=openssl 335 1.1 christos 336 1.2 roy # TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1) 337 1.2 roy # can be enabled to get a stronger construction of messages when block ciphers 338 1.2 roy # are used. It should be noted that some existing TLS v1.0 -based 339 1.2 roy # implementation may not be compatible with TLS v1.1 message (ClientHello is 340 1.2 roy # sent prior to negotiating which version will be used) 341 1.2 roy #CONFIG_TLSV11=y 342 1.2 roy 343 1.2 roy # TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2) 344 1.2 roy # can be enabled to enable use of stronger crypto algorithms. It should be 345 1.2 roy # noted that some existing TLS v1.0 -based implementation may not be compatible 346 1.2 roy # with TLS v1.2 message (ClientHello is sent prior to negotiating which version 347 1.2 roy # will be used) 348 1.2 roy #CONFIG_TLSV12=y 349 1.1 christos 350 1.4 christos # Select which ciphers to use by default with OpenSSL if the user does not 351 1.4 christos # specify them. 352 1.4 christos #CONFIG_TLS_DEFAULT_CIPHERS="DEFAULT:!EXP:!LOW" 353 1.4 christos 354 1.1 christos # If CONFIG_TLS=internal is used, additional library and include paths are 355 1.1 christos # needed for LibTomMath. Alternatively, an integrated, minimal version of 356 1.1 christos # LibTomMath can be used. See beginning of libtommath.c for details on benefits 357 1.1 christos # and drawbacks of this option. 358 1.1 christos #CONFIG_INTERNAL_LIBTOMMATH=y 359 1.1 christos #ifndef CONFIG_INTERNAL_LIBTOMMATH 360 1.1 christos #LTM_PATH=/usr/src/libtommath-0.39 361 1.1 christos #CFLAGS += -I$(LTM_PATH) 362 1.1 christos #LIBS += -L$(LTM_PATH) 363 1.1 christos #LIBS_p += -L$(LTM_PATH) 364 1.1 christos #endif 365 1.1 christos # At the cost of about 4 kB of additional binary size, the internal LibTomMath 366 1.1 christos # can be configured to include faster routines for exptmod, sqr, and div to 367 1.1 christos # speed up DH and RSA calculation considerably 368 1.1 christos #CONFIG_INTERNAL_LIBTOMMATH_FAST=y 369 1.1 christos 370 1.1 christos # Include NDIS event processing through WMI into wpa_supplicant/wpasvc. 371 1.1 christos # This is only for Windows builds and requires WMI-related header files and 372 1.1 christos # WbemUuid.Lib from Platform SDK even when building with MinGW. 373 1.1 christos #CONFIG_NDIS_EVENTS_INTEGRATED=y 374 1.1 christos #PLATFORMSDKLIB="/opt/Program Files/Microsoft Platform SDK/Lib" 375 1.1 christos 376 1.1 christos # Add support for new DBus control interface 377 1.6 christos # (fi.w1.wpa_supplicant1) 378 1.5 christos CONFIG_CTRL_IFACE_DBUS_NEW=y 379 1.1 christos 380 1.1 christos # Add introspection support for new DBus control interface 381 1.5 christos CONFIG_CTRL_IFACE_DBUS_INTRO=y 382 1.1 christos 383 1.1 christos # Add support for loading EAP methods dynamically as shared libraries. 384 1.1 christos # When this option is enabled, each EAP method can be either included 385 1.1 christos # statically (CONFIG_EAP_<method>=y) or dynamically (CONFIG_EAP_<method>=dyn). 386 1.1 christos # Dynamic EAP methods are build as shared objects (eap_*.so) and they need to 387 1.1 christos # be loaded in the beginning of the wpa_supplicant configuration file 388 1.1 christos # (see load_dynamic_eap parameter in the example file) before being used in 389 1.1 christos # the network blocks. 390 1.1 christos # 391 1.1 christos # Note that some shared parts of EAP methods are included in the main program 392 1.1 christos # and in order to be able to use dynamic EAP methods using these parts, the 393 1.1 christos # main program must have been build with the EAP method enabled (=y or =dyn). 394 1.1 christos # This means that EAP-TLS/PEAP/TTLS/FAST cannot be added as dynamic libraries 395 1.1 christos # unless at least one of them was included in the main build to force inclusion 396 1.1 christos # of the shared code. Similarly, at least one of EAP-SIM/AKA must be included 397 1.1 christos # in the main build to be able to load these methods dynamically. 398 1.1 christos # 399 1.1 christos # Please also note that using dynamic libraries will increase the total binary 400 1.1 christos # size. Thus, it may not be the best option for targets that have limited 401 1.1 christos # amount of memory/flash. 402 1.1 christos #CONFIG_DYNAMIC_EAP_METHODS=y 403 1.1 christos 404 1.6 christos # Dynamic library loading 405 1.6 christos 406 1.6 christos # Add the ability to configure libraries to load at compile time. 407 1.6 christos # If set, these disable dynamic configuration. 408 1.6 christos #CONFIG_PKCS11_ENGINE_PATH - pkcs11_engine library location. 409 1.6 christos #CONFIG_PKCS11_MODULE_PATH - pkcs11_module library location. 410 1.6 christos #CONFIG_OPENSC_ENGINE_PATH - opensc_engine library location. 411 1.6 christos # 412 1.6 christos # Prevent library loading at runtime 413 1.6 christos #CONFIG_NO_PKCS11_ENGINE_PATH=y # prevents loading pkcs11_engine library. 414 1.6 christos #CONFIG_NO_PKCS11_MODULE_PATH=y # prevents loading pkcs11_module library. 415 1.6 christos # CONFIG_NO_OPENSC_ENGINE_PATH=y # prevents loading opensc_engine library. 416 1.6 christos 417 1.6 christos # Prevents loading EAP libraries at runtime 418 1.6 christos #CONFIG_NO_LOAD_DYNAMIC_EAP=y 419 1.6 christos 420 1.4 christos # IEEE Std 802.11r-2008 (Fast BSS Transition) for station mode 421 1.5 christos CONFIG_IEEE80211R=y 422 1.1 christos 423 1.1 christos # Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt) 424 1.5 christos CONFIG_DEBUG_FILE=y 425 1.1 christos 426 1.2 roy # Send debug messages to syslog instead of stdout 427 1.5 christos CONFIG_DEBUG_SYSLOG=y 428 1.2 roy # Set syslog facility for debug messages 429 1.2 roy #CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON 430 1.2 roy 431 1.2 roy # Add support for sending all debug messages (regardless of debug verbosity) 432 1.2 roy # to the Linux kernel tracing facility. This helps debug the entire stack by 433 1.2 roy # making it easy to record everything happening from the driver up into the 434 1.2 roy # same file, e.g., using trace-cmd. 435 1.2 roy #CONFIG_DEBUG_LINUX_TRACING=y 436 1.2 roy 437 1.2 roy # Add support for writing debug log to Android logcat instead of standard 438 1.2 roy # output 439 1.2 roy #CONFIG_ANDROID_LOG=y 440 1.2 roy 441 1.1 christos # Enable privilege separation (see README 'Privilege separation' for details) 442 1.1 christos #CONFIG_PRIVSEP=y 443 1.1 christos 444 1.1 christos # Enable mitigation against certain attacks against TKIP by delaying Michael 445 1.1 christos # MIC error reports by a random amount of time between 0 and 60 seconds 446 1.1 christos #CONFIG_DELAYED_MIC_ERROR_REPORT=y 447 1.1 christos 448 1.1 christos # Enable tracing code for developer debugging 449 1.1 christos # This tracks use of memory allocations and other registrations and reports 450 1.1 christos # incorrect use with a backtrace of call (or allocation) location. 451 1.1 christos #CONFIG_WPA_TRACE=y 452 1.2 roy # For BSD, uncomment these. 453 1.1 christos #LIBS += -lexecinfo 454 1.1 christos #LIBS_p += -lexecinfo 455 1.1 christos #LIBS_c += -lexecinfo 456 1.1 christos 457 1.1 christos # Use libbfd to get more details for developer debugging 458 1.1 christos # This enables use of libbfd to get more detailed symbols for the backtraces 459 1.1 christos # generated by CONFIG_WPA_TRACE=y. 460 1.1 christos #CONFIG_WPA_TRACE_BFD=y 461 1.2 roy # For BSD, uncomment these. 462 1.1 christos #LIBS += -lbfd -liberty -lz 463 1.1 christos #LIBS_p += -lbfd -liberty -lz 464 1.1 christos #LIBS_c += -lbfd -liberty -lz 465 1.2 roy 466 1.2 roy # wpa_supplicant depends on strong random number generation being available 467 1.2 roy # from the operating system. os_get_random() function is used to fetch random 468 1.2 roy # data when needed, e.g., for key generation. On Linux and BSD systems, this 469 1.2 roy # works by reading /dev/urandom. It should be noted that the OS entropy pool 470 1.2 roy # needs to be properly initialized before wpa_supplicant is started. This is 471 1.2 roy # important especially on embedded devices that do not have a hardware random 472 1.2 roy # number generator and may by default start up with minimal entropy available 473 1.2 roy # for random number generation. 474 1.2 roy # 475 1.2 roy # As a safety net, wpa_supplicant is by default trying to internally collect 476 1.2 roy # additional entropy for generating random data to mix in with the data fetched 477 1.2 roy # from the OS. This by itself is not considered to be very strong, but it may 478 1.2 roy # help in cases where the system pool is not initialized properly. However, it 479 1.2 roy # is very strongly recommended that the system pool is initialized with enough 480 1.2 roy # entropy either by using hardware assisted random number generator or by 481 1.2 roy # storing state over device reboots. 482 1.2 roy # 483 1.2 roy # wpa_supplicant can be configured to maintain its own entropy store over 484 1.2 roy # restarts to enhance random number generation. This is not perfect, but it is 485 1.2 roy # much more secure than using the same sequence of random numbers after every 486 1.2 roy # reboot. This can be enabled with -e<entropy file> command line option. The 487 1.2 roy # specified file needs to be readable and writable by wpa_supplicant. 488 1.2 roy # 489 1.2 roy # If the os_get_random() is known to provide strong random data (e.g., on 490 1.2 roy # Linux/BSD, the board in question is known to have reliable source of random 491 1.2 roy # data from /dev/urandom), the internal wpa_supplicant random pool can be 492 1.2 roy # disabled. This will save some in binary size and CPU use. However, this 493 1.2 roy # should only be considered for builds that are known to be used on devices 494 1.2 roy # that meet the requirements described above. 495 1.2 roy #CONFIG_NO_RANDOM_POOL=y 496 1.2 roy 497 1.5 christos # Should we attempt to use the getrandom(2) call that provides more reliable 498 1.5 christos # yet secure randomness source than /dev/random on Linux 3.17 and newer. 499 1.5 christos # Requires glibc 2.25 to build, falls back to /dev/random if unavailable. 500 1.5 christos #CONFIG_GETRANDOM=y 501 1.5 christos 502 1.2 roy # IEEE 802.11ac (Very High Throughput) support (mainly for AP mode) 503 1.5 christos CONFIG_IEEE80211AC=y 504 1.2 roy 505 1.6 christos # IEEE 802.11ax HE support (mainly for AP mode) 506 1.6 christos CONFIG_IEEE80211AX=y 507 1.6 christos 508 1.6 christos # IEEE 802.11be EHT support (mainly for AP mode) 509 1.6 christos # CONFIG_IEEE80211AX is mandatory for setting CONFIG_IEEE80211BE. 510 1.6 christos # Note: This is experimental and work in progress. The definitions are still 511 1.6 christos # subject to change and this should not be expected to interoperate with the 512 1.6 christos # final IEEE 802.11be version. 513 1.6 christos #CONFIG_IEEE80211BE=y 514 1.6 christos 515 1.2 roy # Wireless Network Management (IEEE Std 802.11v-2011) 516 1.2 roy # Note: This is experimental and not complete implementation. 517 1.2 roy #CONFIG_WNM=y 518 1.2 roy 519 1.2 roy # Interworking (IEEE 802.11u) 520 1.2 roy # This can be used to enable functionality to improve interworking with 521 1.2 roy # external networks (GAS/ANQP to learn more about the networks and network 522 1.2 roy # selection based on available credentials). 523 1.5 christos CONFIG_INTERWORKING=y 524 1.2 roy 525 1.2 roy # Hotspot 2.0 526 1.5 christos CONFIG_HS20=y 527 1.2 roy 528 1.2 roy # Enable interface matching in wpa_supplicant 529 1.2 roy #CONFIG_MATCH_IFACE=y 530 1.2 roy 531 1.2 roy # Disable roaming in wpa_supplicant 532 1.2 roy #CONFIG_NO_ROAMING=y 533 1.2 roy 534 1.2 roy # AP mode operations with wpa_supplicant 535 1.2 roy # This can be used for controlling AP mode operations with wpa_supplicant. It 536 1.2 roy # should be noted that this is mainly aimed at simple cases like 537 1.2 roy # WPA2-Personal while more complex configurations like WPA2-Enterprise with an 538 1.2 roy # external RADIUS server can be supported with hostapd. 539 1.5 christos CONFIG_AP=y 540 1.2 roy 541 1.2 roy # P2P (Wi-Fi Direct) 542 1.2 roy # This can be used to enable P2P support in wpa_supplicant. See README-P2P for 543 1.2 roy # more information on P2P operations. 544 1.5 christos CONFIG_P2P=y 545 1.2 roy 546 1.2 roy # Enable TDLS support 547 1.6 christos CONFIG_TDLS=y 548 1.2 roy 549 1.5 christos # Wi-Fi Display 550 1.5 christos # This can be used to enable Wi-Fi Display extensions for P2P using an external 551 1.2 roy # program to control the additional information exchanges in the messages. 552 1.5 christos CONFIG_WIFI_DISPLAY=y 553 1.2 roy 554 1.2 roy # Autoscan 555 1.2 roy # This can be used to enable automatic scan support in wpa_supplicant. 556 1.2 roy # See wpa_supplicant.conf for more information on autoscan usage. 557 1.2 roy # 558 1.2 roy # Enabling directly a module will enable autoscan support. 559 1.2 roy # For exponential module: 560 1.2 roy #CONFIG_AUTOSCAN_EXPONENTIAL=y 561 1.2 roy # For periodic module: 562 1.2 roy #CONFIG_AUTOSCAN_PERIODIC=y 563 1.2 roy 564 1.2 roy # Password (and passphrase, etc.) backend for external storage 565 1.2 roy # These optional mechanisms can be used to add support for storing passwords 566 1.2 roy # and other secrets in external (to wpa_supplicant) location. This allows, for 567 1.2 roy # example, operating system specific key storage to be used 568 1.2 roy # 569 1.2 roy # External password backend for testing purposes (developer use) 570 1.2 roy #CONFIG_EXT_PASSWORD_TEST=y 571 1.6 christos # File-based backend to read passwords from an external file. 572 1.6 christos #CONFIG_EXT_PASSWORD_FILE=y 573 1.3 christos 574 1.3 christos # Enable Fast Session Transfer (FST) 575 1.3 christos #CONFIG_FST=y 576 1.3 christos 577 1.3 christos # Enable CLI commands for FST testing 578 1.3 christos #CONFIG_FST_TEST=y 579 1.3 christos 580 1.3 christos # OS X builds. This is only for building eapol_test. 581 1.3 christos #CONFIG_OSX=y 582 1.3 christos 583 1.3 christos # Automatic Channel Selection 584 1.3 christos # This will allow wpa_supplicant to pick the channel automatically when channel 585 1.3 christos # is set to "0". 586 1.3 christos # 587 1.3 christos # TODO: Extend parser to be able to parse "channel=acs_survey" as an alternative 588 1.3 christos # to "channel=0". This would enable us to eventually add other ACS algorithms in 589 1.3 christos # similar way. 590 1.3 christos # 591 1.3 christos # Automatic selection is currently only done through initialization, later on 592 1.3 christos # we hope to do background checks to keep us moving to more ideal channels as 593 1.3 christos # time goes by. ACS is currently only supported through the nl80211 driver and 594 1.3 christos # your driver must have survey dump capability that is filled by the driver 595 1.3 christos # during scanning. 596 1.3 christos # 597 1.3 christos # TODO: In analogy to hostapd be able to customize the ACS survey algorithm with 598 1.3 christos # a newly to create wpa_supplicant.conf variable acs_num_scans. 599 1.3 christos # 600 1.3 christos # Supported ACS drivers: 601 1.3 christos # * ath9k 602 1.3 christos # * ath5k 603 1.3 christos # * ath10k 604 1.3 christos # 605 1.3 christos # For more details refer to: 606 1.3 christos # http://wireless.kernel.org/en/users/Documentation/acs 607 1.3 christos #CONFIG_ACS=y 608 1.3 christos 609 1.3 christos # Support Multi Band Operation 610 1.3 christos #CONFIG_MBO=y 611 1.4 christos 612 1.4 christos # Fast Initial Link Setup (FILS) (IEEE 802.11ai) 613 1.4 christos #CONFIG_FILS=y 614 1.4 christos # FILS shared key authentication with PFS 615 1.4 christos #CONFIG_FILS_SK_PFS=y 616 1.4 christos 617 1.4 christos # Support RSN on IBSS networks 618 1.4 christos # This is needed to be able to use mode=1 network profile with proto=RSN and 619 1.4 christos # key_mgmt=WPA-PSK (i.e., full key management instead of WPA-None). 620 1.5 christos CONFIG_IBSS_RSN=y 621 1.4 christos 622 1.4 christos # External PMKSA cache control 623 1.4 christos # This can be used to enable control interface commands that allow the current 624 1.4 christos # PMKSA cache entries to be fetched and new entries to be added. 625 1.4 christos #CONFIG_PMKSA_CACHE_EXTERNAL=y 626 1.4 christos 627 1.4 christos # Mesh Networking (IEEE 802.11s) 628 1.4 christos #CONFIG_MESH=y 629 1.4 christos 630 1.4 christos # Background scanning modules 631 1.4 christos # These can be used to request wpa_supplicant to perform background scanning 632 1.4 christos # operations for roaming within an ESS (same SSID). See the bgscan parameter in 633 1.4 christos # the wpa_supplicant.conf file for more details. 634 1.4 christos # Periodic background scans based on signal strength 635 1.5 christos CONFIG_BGSCAN_SIMPLE=y 636 1.4 christos # Learn channels used by the network and try to avoid bgscans on other 637 1.4 christos # channels (experimental) 638 1.4 christos #CONFIG_BGSCAN_LEARN=y 639 1.4 christos 640 1.4 christos # Opportunistic Wireless Encryption (OWE) 641 1.4 christos # Experimental implementation of draft-harkins-owe-07.txt 642 1.4 christos #CONFIG_OWE=y 643 1.5 christos 644 1.6 christos # Device Provisioning Protocol (DPP) (also known as Wi-Fi Easy Connect) 645 1.5 christos CONFIG_DPP=y 646 1.6 christos # DPP version 2 support 647 1.6 christos CONFIG_DPP2=y 648 1.6 christos # DPP version 3 support (experimental and still changing; do not enable for 649 1.6 christos # production use) 650 1.6 christos #CONFIG_DPP3=y 651 1.6 christos 652 1.6 christos # Wired equivalent privacy (WEP) 653 1.6 christos # WEP is an obsolete cryptographic data confidentiality algorithm that is not 654 1.6 christos # considered secure. It should not be used for anything anymore. The 655 1.6 christos # functionality needed to use WEP is available in the current wpa_supplicant 656 1.6 christos # release under this optional build parameter. This functionality is subject to 657 1.6 christos # be completely removed in a future release. 658 1.6 christos #CONFIG_WEP=y 659 1.6 christos 660 1.6 christos # Remove all TKIP functionality 661 1.6 christos # TKIP is an old cryptographic data confidentiality algorithm that is not 662 1.6 christos # considered secure. It should not be used anymore for anything else than a 663 1.6 christos # backwards compatibility option as a group cipher when connecting to APs that 664 1.6 christos # use WPA+WPA2 mixed mode. For now, the default wpa_supplicant build includes 665 1.6 christos # support for this by default, but that functionality is subject to be removed 666 1.6 christos # in the future. 667 1.6 christos #CONFIG_NO_TKIP=y 668 1.6 christos 669 1.6 christos # Pre-Association Security Negotiation (PASN) 670 1.6 christos # Experimental implementation based on IEEE P802.11z/D2.6 and the protocol 671 1.6 christos # design is still subject to change. As such, this should not yet be enabled in 672 1.6 christos # production use. 673 1.6 christos #CONFIG_PASN=y 674 1.6 christos 675 1.6 christos # Disable support for Radio Measurement (IEEE 802.11k) and supported operating 676 1.6 christos # class indication. Removing these is not recommended since they can help the 677 1.6 christos # AP manage the network and STA steering. 678 1.6 christos #CONFIG_NO_RRM=y 679 1.6 christos 680 1.6 christos # Disable support for Robust AV streaming for consumer and enterprise Wi-Fi 681 1.6 christos # applications; IEEE Std 802.11-2020, 4.3.24; SCS, MSCS, QoS Management 682 1.6 christos #CONFIG_NO_ROBUST_AV=y 683 1.6 christos 684 1.6 christos # Disable support for WMM admission control 685 1.6 christos #CONFIG_NO_WMM_AC=y 686 1.6 christos 687 1.6 christos # Wi-Fi Aware unsynchronized service discovery (NAN USD) 688 1.6 christos #CONFIG_NAN_USD=y 689