xref: /freebsd/contrib/wpa/wpa_supplicant/defconfig (revision a90b9d0159070121c221b966469c3e36d912bf82)
139beb93cSSam Leffler# Example wpa_supplicant build time configuration
239beb93cSSam Leffler#
339beb93cSSam Leffler# This file lists the configuration options that are used when building the
485732ac8SCy Schubert# wpa_supplicant binary. All lines starting with # are ignored. Configuration
585732ac8SCy Schubert# option lines must be commented out complete, if they are not to be included,
685732ac8SCy Schubert# i.e., just setting VARIABLE=n is not disabling that variable.
739beb93cSSam Leffler#
839beb93cSSam Leffler# This file is included in Makefile, so variables like CFLAGS and LIBS can also
939beb93cSSam Leffler# be modified from here. In most cases, these lines should use += in order not
1039beb93cSSam Leffler# to override previous values of the variables.
1139beb93cSSam Leffler
1239beb93cSSam Leffler
1339beb93cSSam Leffler# Uncomment following two lines and fix the paths if you have installed OpenSSL
1439beb93cSSam Leffler# or GnuTLS in non-default location
1539beb93cSSam Leffler#CFLAGS += -I/usr/local/openssl/include
1639beb93cSSam Leffler#LIBS += -L/usr/local/openssl/lib
1739beb93cSSam Leffler
1839beb93cSSam Leffler# Some Red Hat versions seem to include kerberos header files from OpenSSL, but
1939beb93cSSam Leffler# the kerberos files are not in the default include path. Following line can be
2039beb93cSSam Leffler# used to fix build issues on such systems (krb5.h not found).
2139beb93cSSam Leffler#CFLAGS += -I/usr/include/kerberos
2239beb93cSSam Leffler
2339beb93cSSam Leffler# Driver interface for generic Linux wireless extensions
24f05cddf9SRui Paulo# Note: WEXT is deprecated in the current Linux kernel version and no new
25f05cddf9SRui Paulo# functionality is added to it. nl80211-based interface is the new
26f05cddf9SRui Paulo# replacement for WEXT and its use allows wpa_supplicant to properly control
27f05cddf9SRui Paulo# the driver to improve existing functionality like roaming and to support new
28f05cddf9SRui Paulo# functionality.
2939beb93cSSam LefflerCONFIG_DRIVER_WEXT=y
3039beb93cSSam Leffler
3139beb93cSSam Leffler# Driver interface for Linux drivers using the nl80211 kernel interface
32f05cddf9SRui PauloCONFIG_DRIVER_NL80211=y
3339beb93cSSam Leffler
34780fb4a2SCy Schubert# QCA vendor extensions to nl80211
35780fb4a2SCy Schubert#CONFIG_DRIVER_NL80211_QCA=y
36780fb4a2SCy Schubert
375b9c547cSRui Paulo# driver_nl80211.c requires libnl. If you are compiling it yourself
385b9c547cSRui Paulo# you may need to point hostapd to your version of libnl.
395b9c547cSRui Paulo#
405b9c547cSRui Paulo#CFLAGS += -I$<path to libnl include files>
415b9c547cSRui Paulo#LIBS += -L$<path to libnl library files>
425b9c547cSRui Paulo
435b9c547cSRui Paulo# Use libnl v2.0 (or 3.0) libraries.
445b9c547cSRui Paulo#CONFIG_LIBNL20=y
455b9c547cSRui Paulo
465b9c547cSRui Paulo# Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored)
4785732ac8SCy SchubertCONFIG_LIBNL32=y
485b9c547cSRui Paulo
495b9c547cSRui Paulo
5039beb93cSSam Leffler# Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
5139beb93cSSam Leffler#CONFIG_DRIVER_BSD=y
5239beb93cSSam Leffler#CFLAGS += -I/usr/local/include
5339beb93cSSam Leffler#LIBS += -L/usr/local/lib
54e28a4053SRui Paulo#LIBS_p += -L/usr/local/lib
55e28a4053SRui Paulo#LIBS_c += -L/usr/local/lib
5639beb93cSSam Leffler
5739beb93cSSam Leffler# Driver interface for Windows NDIS
5839beb93cSSam Leffler#CONFIG_DRIVER_NDIS=y
5939beb93cSSam Leffler#CFLAGS += -I/usr/include/w32api/ddk
6039beb93cSSam Leffler#LIBS += -L/usr/local/lib
6139beb93cSSam Leffler# For native build using mingw
6239beb93cSSam Leffler#CONFIG_NATIVE_WINDOWS=y
6339beb93cSSam Leffler# Additional directories for cross-compilation on Linux host for mingw target
6439beb93cSSam Leffler#CFLAGS += -I/opt/mingw/mingw32/include/ddk
6539beb93cSSam Leffler#LIBS += -L/opt/mingw/mingw32/lib
6639beb93cSSam Leffler#CC=mingw32-gcc
6739beb93cSSam Leffler# By default, driver_ndis uses WinPcap for low-level operations. This can be
6839beb93cSSam Leffler# replaced with the following option which replaces WinPcap calls with NDISUIO.
6939beb93cSSam Leffler# However, this requires that WZC is disabled (net stop wzcsvc) before starting
7039beb93cSSam Leffler# wpa_supplicant.
7139beb93cSSam Leffler# CONFIG_USE_NDISUIO=y
7239beb93cSSam Leffler
7339beb93cSSam Leffler# Driver interface for wired Ethernet drivers
7439beb93cSSam LefflerCONFIG_DRIVER_WIRED=y
7539beb93cSSam Leffler
7685732ac8SCy Schubert# Driver interface for MACsec capable Qualcomm Atheros drivers
7785732ac8SCy Schubert#CONFIG_DRIVER_MACSEC_QCA=y
7885732ac8SCy Schubert
7985732ac8SCy Schubert# Driver interface for Linux MACsec drivers
80c1d255d3SCy SchubertCONFIG_DRIVER_MACSEC_LINUX=y
8185732ac8SCy Schubert
8239beb93cSSam Leffler# Driver interface for the Broadcom RoboSwitch family
8339beb93cSSam Leffler#CONFIG_DRIVER_ROBOSWITCH=y
8439beb93cSSam Leffler
85e28a4053SRui Paulo# Driver interface for no driver (e.g., WPS ER only)
86e28a4053SRui Paulo#CONFIG_DRIVER_NONE=y
87e28a4053SRui Paulo
88f05cddf9SRui Paulo# Solaris libraries
89f05cddf9SRui Paulo#LIBS += -lsocket -ldlpi -lnsl
90f05cddf9SRui Paulo#LIBS_c += -lsocket
91f05cddf9SRui Paulo
9285732ac8SCy Schubert# Enable IEEE 802.1X Supplicant (automatically included if any EAP method or
9385732ac8SCy Schubert# MACsec is included)
9439beb93cSSam LefflerCONFIG_IEEE8021X_EAPOL=y
9539beb93cSSam Leffler
9639beb93cSSam Leffler# EAP-MD5
9739beb93cSSam LefflerCONFIG_EAP_MD5=y
9839beb93cSSam Leffler
9939beb93cSSam Leffler# EAP-MSCHAPv2
10039beb93cSSam LefflerCONFIG_EAP_MSCHAPV2=y
10139beb93cSSam Leffler
10239beb93cSSam Leffler# EAP-TLS
10339beb93cSSam LefflerCONFIG_EAP_TLS=y
104*a90b9d01SCy Schubert# Enable EAP-TLSv1.3 support by default (currently disabled unless explicitly
105*a90b9d01SCy Schubert# enabled in network configuration)
106*a90b9d01SCy Schubert#CONFIG_EAP_TLSV1_3=y
10739beb93cSSam Leffler
10839beb93cSSam Leffler# EAL-PEAP
10939beb93cSSam LefflerCONFIG_EAP_PEAP=y
11039beb93cSSam Leffler
11139beb93cSSam Leffler# EAP-TTLS
11239beb93cSSam LefflerCONFIG_EAP_TTLS=y
11339beb93cSSam Leffler
11439beb93cSSam Leffler# EAP-FAST
1154bc52338SCy SchubertCONFIG_EAP_FAST=y
11639beb93cSSam Leffler
117206b73d0SCy Schubert# EAP-TEAP
118206b73d0SCy Schubert# Note: The current EAP-TEAP implementation is experimental and should not be
119206b73d0SCy Schubert# enabled for production use. The IETF RFC 7170 that defines EAP-TEAP has number
120206b73d0SCy Schubert# of conflicting statements and missing details and the implementation has
121206b73d0SCy Schubert# vendor specific workarounds for those and as such, may not interoperate with
122206b73d0SCy Schubert# any other implementation. This should not be used for anything else than
123206b73d0SCy Schubert# experimentation and interoperability testing until those issues has been
124206b73d0SCy Schubert# resolved.
125206b73d0SCy Schubert#CONFIG_EAP_TEAP=y
126206b73d0SCy Schubert
12739beb93cSSam Leffler# EAP-GTC
12839beb93cSSam LefflerCONFIG_EAP_GTC=y
12939beb93cSSam Leffler
13039beb93cSSam Leffler# EAP-OTP
13139beb93cSSam LefflerCONFIG_EAP_OTP=y
13239beb93cSSam Leffler
13339beb93cSSam Leffler# EAP-SIM (enable CONFIG_PCSC, if EAP-SIM is used)
13439beb93cSSam Leffler#CONFIG_EAP_SIM=y
13539beb93cSSam Leffler
136206b73d0SCy Schubert# Enable SIM simulator (Milenage) for EAP-SIM
137206b73d0SCy Schubert#CONFIG_SIM_SIMULATOR=y
138206b73d0SCy Schubert
13939beb93cSSam Leffler# EAP-PSK (experimental; this is _not_ needed for WPA-PSK)
14039beb93cSSam Leffler#CONFIG_EAP_PSK=y
14139beb93cSSam Leffler
142f05cddf9SRui Paulo# EAP-pwd (secure authentication using only a password)
1434bc52338SCy SchubertCONFIG_EAP_PWD=y
144f05cddf9SRui Paulo
14539beb93cSSam Leffler# EAP-PAX
1464bc52338SCy SchubertCONFIG_EAP_PAX=y
14739beb93cSSam Leffler
14839beb93cSSam Leffler# LEAP
14939beb93cSSam LefflerCONFIG_EAP_LEAP=y
15039beb93cSSam Leffler
15139beb93cSSam Leffler# EAP-AKA (enable CONFIG_PCSC, if EAP-AKA is used)
15239beb93cSSam Leffler#CONFIG_EAP_AKA=y
15339beb93cSSam Leffler
15439beb93cSSam Leffler# EAP-AKA' (enable CONFIG_PCSC, if EAP-AKA' is used).
15539beb93cSSam Leffler# This requires CONFIG_EAP_AKA to be enabled, too.
15639beb93cSSam Leffler#CONFIG_EAP_AKA_PRIME=y
15739beb93cSSam Leffler
15839beb93cSSam Leffler# Enable USIM simulator (Milenage) for EAP-AKA
15939beb93cSSam Leffler#CONFIG_USIM_SIMULATOR=y
16039beb93cSSam Leffler
16139beb93cSSam Leffler# EAP-SAKE
1624bc52338SCy SchubertCONFIG_EAP_SAKE=y
16339beb93cSSam Leffler
16439beb93cSSam Leffler# EAP-GPSK
1654bc52338SCy SchubertCONFIG_EAP_GPSK=y
16639beb93cSSam Leffler# Include support for optional SHA256 cipher suite in EAP-GPSK
1674bc52338SCy SchubertCONFIG_EAP_GPSK_SHA256=y
16839beb93cSSam Leffler
16939beb93cSSam Leffler# EAP-TNC and related Trusted Network Connect support (experimental)
1704bc52338SCy SchubertCONFIG_EAP_TNC=y
17139beb93cSSam Leffler
17239beb93cSSam Leffler# Wi-Fi Protected Setup (WPS)
1734bc52338SCy SchubertCONFIG_WPS=y
174f05cddf9SRui Paulo# Enable WPS external registrar functionality
175f05cddf9SRui Paulo#CONFIG_WPS_ER=y
176f05cddf9SRui Paulo# Disable credentials for an open network by default when acting as a WPS
177f05cddf9SRui Paulo# registrar.
178f05cddf9SRui Paulo#CONFIG_WPS_REG_DISABLE_OPEN=y
179f05cddf9SRui Paulo# Enable WPS support with NFC config method
180f05cddf9SRui Paulo#CONFIG_WPS_NFC=y
18139beb93cSSam Leffler
18239beb93cSSam Leffler# EAP-IKEv2
1834bc52338SCy SchubertCONFIG_EAP_IKEV2=y
18439beb93cSSam Leffler
1855b9c547cSRui Paulo# EAP-EKE
1865b9c547cSRui Paulo#CONFIG_EAP_EKE=y
1875b9c547cSRui Paulo
18885732ac8SCy Schubert# MACsec
189c1d255d3SCy SchubertCONFIG_MACSEC=y
19085732ac8SCy Schubert
19139beb93cSSam Leffler# PKCS#12 (PFX) support (used to read private key and certificate file from
19239beb93cSSam Leffler# a file that usually has extension .p12 or .pfx)
19339beb93cSSam LefflerCONFIG_PKCS12=y
19439beb93cSSam Leffler
19539beb93cSSam Leffler# Smartcard support (i.e., private key on a smartcard), e.g., with openssl
19639beb93cSSam Leffler# engine.
19739beb93cSSam LefflerCONFIG_SMARTCARD=y
19839beb93cSSam Leffler
19939beb93cSSam Leffler# PC/SC interface for smartcards (USIM, GSM SIM)
20039beb93cSSam Leffler# Enable this if EAP-SIM or EAP-AKA is included
20139beb93cSSam Leffler#CONFIG_PCSC=y
20239beb93cSSam Leffler
203f05cddf9SRui Paulo# Support HT overrides (disable HT/HT40, mask MCS rates, etc.)
204f05cddf9SRui Paulo#CONFIG_HT_OVERRIDES=y
205f05cddf9SRui Paulo
2065b9c547cSRui Paulo# Support VHT overrides (disable VHT, mask MCS rates, etc.)
2075b9c547cSRui Paulo#CONFIG_VHT_OVERRIDES=y
2085b9c547cSRui Paulo
209*a90b9d01SCy Schubert# Support HE overrides
210*a90b9d01SCy Schubert#CONFIG_HE_OVERRIDES=y
211*a90b9d01SCy Schubert
21239beb93cSSam Leffler# Development testing
21339beb93cSSam Leffler#CONFIG_EAPOL_TEST=y
21439beb93cSSam Leffler
215*a90b9d01SCy Schubert# Support IPv6
216*a90b9d01SCy SchubertCONFIG_IPV6=y
217*a90b9d01SCy Schubert
21839beb93cSSam Leffler# Select control interface backend for external programs, e.g, wpa_cli:
21939beb93cSSam Leffler# unix = UNIX domain sockets (default for Linux/*BSD)
22039beb93cSSam Leffler# udp = UDP sockets using localhost (127.0.0.1)
2215b9c547cSRui Paulo# udp6 = UDP IPv6 sockets using localhost (::1)
22239beb93cSSam Leffler# named_pipe = Windows Named Pipe (default for Windows)
223f05cddf9SRui Paulo# udp-remote = UDP sockets with remote access (only for tests systems/purpose)
2245b9c547cSRui Paulo# udp6-remote = UDP IPv6 sockets with remote access (only for tests purpose)
22539beb93cSSam Leffler# y = use default (backwards compatibility)
22639beb93cSSam Leffler# If this option is commented out, control interface is not included in the
22739beb93cSSam Leffler# build.
22839beb93cSSam LefflerCONFIG_CTRL_IFACE=y
22939beb93cSSam Leffler
23039beb93cSSam Leffler# Include support for GNU Readline and History Libraries in wpa_cli.
23139beb93cSSam Leffler# When building a wpa_cli binary for distribution, please note that these
23239beb93cSSam Leffler# libraries are licensed under GPL and as such, BSD license may not apply for
23339beb93cSSam Leffler# the resulting binary.
23439beb93cSSam Leffler#CONFIG_READLINE=y
23539beb93cSSam Leffler
236f05cddf9SRui Paulo# Include internal line edit mode in wpa_cli. This can be used as a replacement
237f05cddf9SRui Paulo# for GNU Readline to provide limited command line editing and history support.
238f05cddf9SRui Paulo#CONFIG_WPA_CLI_EDIT=y
239f05cddf9SRui Paulo
24039beb93cSSam Leffler# Remove debugging code that is printing out debug message to stdout.
24139beb93cSSam Leffler# This can be used to reduce the size of the wpa_supplicant considerably
24239beb93cSSam Leffler# if debugging code is not needed. The size reduction can be around 35%
24339beb93cSSam Leffler# (e.g., 90 kB).
24439beb93cSSam Leffler#CONFIG_NO_STDOUT_DEBUG=y
24539beb93cSSam Leffler
24639beb93cSSam Leffler# Remove WPA support, e.g., for wired-only IEEE 802.1X supplicant, to save
24739beb93cSSam Leffler# 35-50 kB in code size.
24839beb93cSSam Leffler#CONFIG_NO_WPA=y
24939beb93cSSam Leffler
25039beb93cSSam Leffler# Remove IEEE 802.11i/WPA-Personal ASCII passphrase support
25139beb93cSSam Leffler# This option can be used to reduce code size by removing support for
25239beb93cSSam Leffler# converting ASCII passphrases into PSK. If this functionality is removed, the
25339beb93cSSam Leffler# PSK can only be configured as the 64-octet hexstring (e.g., from
25439beb93cSSam Leffler# wpa_passphrase). This saves about 0.5 kB in code size.
25539beb93cSSam Leffler#CONFIG_NO_WPA_PASSPHRASE=y
25639beb93cSSam Leffler
2574bc52338SCy Schubert# Simultaneous Authentication of Equals (SAE), WPA3-Personal
2584bc52338SCy SchubertCONFIG_SAE=y
2594bc52338SCy Schubert
260*a90b9d01SCy Schubert# SAE Public Key, WPA3-Personal
261*a90b9d01SCy Schubert#CONFIG_SAE_PK=y
262*a90b9d01SCy Schubert
263c1d255d3SCy Schubert# Disable scan result processing (ap_scan=1) to save code size by about 1 kB.
26439beb93cSSam Leffler# This can be used if ap_scan=1 mode is never enabled.
26539beb93cSSam Leffler#CONFIG_NO_SCAN_PROCESSING=y
26639beb93cSSam Leffler
26739beb93cSSam Leffler# Select configuration backend:
26839beb93cSSam Leffler# file = text file (e.g., wpa_supplicant.conf; note: the configuration file
26939beb93cSSam Leffler#	path is given on command line, not here; this option is just used to
27039beb93cSSam Leffler#	select the backend that allows configuration files to be used)
27139beb93cSSam Leffler# winreg = Windows registry (see win_example.reg for an example)
27239beb93cSSam LefflerCONFIG_BACKEND=file
27339beb93cSSam Leffler
27439beb93cSSam Leffler# Remove configuration write functionality (i.e., to allow the configuration
27539beb93cSSam Leffler# file to be updated based on runtime configuration changes). The runtime
27639beb93cSSam Leffler# configuration can still be changed, the changes are just not going to be
27739beb93cSSam Leffler# persistent over restarts. This option can be used to reduce code size by
27839beb93cSSam Leffler# about 3.5 kB.
27939beb93cSSam Leffler#CONFIG_NO_CONFIG_WRITE=y
28039beb93cSSam Leffler
28139beb93cSSam Leffler# Remove support for configuration blobs to reduce code size by about 1.5 kB.
28239beb93cSSam Leffler#CONFIG_NO_CONFIG_BLOBS=y
28339beb93cSSam Leffler
28439beb93cSSam Leffler# Select program entry point implementation:
28539beb93cSSam Leffler# main = UNIX/POSIX like main() function (default)
28639beb93cSSam Leffler# main_winsvc = Windows service (read parameters from registry)
28739beb93cSSam Leffler# main_none = Very basic example (development use only)
28839beb93cSSam Leffler#CONFIG_MAIN=main
28939beb93cSSam Leffler
2905b9c547cSRui Paulo# Select wrapper for operating system and C library specific functions
29139beb93cSSam Leffler# unix = UNIX/POSIX like systems (default)
29239beb93cSSam Leffler# win32 = Windows systems
29339beb93cSSam Leffler# none = Empty template
29439beb93cSSam Leffler#CONFIG_OS=unix
29539beb93cSSam Leffler
29639beb93cSSam Leffler# Select event loop implementation
29739beb93cSSam Leffler# eloop = select() loop (default)
29839beb93cSSam Leffler# eloop_win = Windows events and WaitForMultipleObject() loop
29939beb93cSSam Leffler#CONFIG_ELOOP=eloop
30039beb93cSSam Leffler
301f05cddf9SRui Paulo# Should we use poll instead of select? Select is used by default.
302f05cddf9SRui Paulo#CONFIG_ELOOP_POLL=y
303f05cddf9SRui Paulo
3045b9c547cSRui Paulo# Should we use epoll instead of select? Select is used by default.
3055b9c547cSRui Paulo#CONFIG_ELOOP_EPOLL=y
3065b9c547cSRui Paulo
307780fb4a2SCy Schubert# Should we use kqueue instead of select? Select is used by default.
308780fb4a2SCy Schubert#CONFIG_ELOOP_KQUEUE=y
309780fb4a2SCy Schubert
31039beb93cSSam Leffler# Select layer 2 packet implementation
31139beb93cSSam Leffler# linux = Linux packet socket (default)
31239beb93cSSam Leffler# pcap = libpcap/libdnet/WinPcap
31339beb93cSSam Leffler# freebsd = FreeBSD libpcap
31439beb93cSSam Leffler# winpcap = WinPcap with receive thread
31539beb93cSSam Leffler# ndis = Windows NDISUIO (note: requires CONFIG_USE_NDISUIO=y)
31639beb93cSSam Leffler# none = Empty template
31739beb93cSSam Leffler#CONFIG_L2_PACKET=linux
31839beb93cSSam Leffler
319780fb4a2SCy Schubert# Disable Linux packet socket workaround applicable for station interface
320780fb4a2SCy Schubert# in a bridge for EAPOL frames. This should be uncommented only if the kernel
321780fb4a2SCy Schubert# is known to not have the regression issue in packet socket behavior with
322780fb4a2SCy Schubert# bridge interfaces (commit 'bridge: respect RFC2863 operational state')').
323780fb4a2SCy Schubert#CONFIG_NO_LINUX_PACKET_SOCKET_WAR=y
324780fb4a2SCy Schubert
3254bc52338SCy Schubert# Support Operating Channel Validation
3264bc52338SCy Schubert#CONFIG_OCV=y
32739beb93cSSam Leffler
32839beb93cSSam Leffler# Select TLS implementation
32939beb93cSSam Leffler# openssl = OpenSSL (default)
330f05cddf9SRui Paulo# gnutls = GnuTLS
33139beb93cSSam Leffler# internal = Internal TLSv1 implementation (experimental)
33285732ac8SCy Schubert# linux = Linux kernel AF_ALG and internal TLSv1 implementation (experimental)
33339beb93cSSam Leffler# none = Empty template
33439beb93cSSam Leffler#CONFIG_TLS=openssl
33539beb93cSSam Leffler
336f05cddf9SRui Paulo# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1)
337f05cddf9SRui Paulo# can be enabled to get a stronger construction of messages when block ciphers
338f05cddf9SRui Paulo# are used. It should be noted that some existing TLS v1.0 -based
339f05cddf9SRui Paulo# implementation may not be compatible with TLS v1.1 message (ClientHello is
340f05cddf9SRui Paulo# sent prior to negotiating which version will be used)
341f05cddf9SRui Paulo#CONFIG_TLSV11=y
342f05cddf9SRui Paulo
343f05cddf9SRui Paulo# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2)
344f05cddf9SRui Paulo# can be enabled to enable use of stronger crypto algorithms. It should be
345f05cddf9SRui Paulo# noted that some existing TLS v1.0 -based implementation may not be compatible
346f05cddf9SRui Paulo# with TLS v1.2 message (ClientHello is sent prior to negotiating which version
347f05cddf9SRui Paulo# will be used)
348f05cddf9SRui Paulo#CONFIG_TLSV12=y
34939beb93cSSam Leffler
35085732ac8SCy Schubert# Select which ciphers to use by default with OpenSSL if the user does not
35185732ac8SCy Schubert# specify them.
35285732ac8SCy Schubert#CONFIG_TLS_DEFAULT_CIPHERS="DEFAULT:!EXP:!LOW"
35385732ac8SCy Schubert
35439beb93cSSam Leffler# If CONFIG_TLS=internal is used, additional library and include paths are
35539beb93cSSam Leffler# needed for LibTomMath. Alternatively, an integrated, minimal version of
35639beb93cSSam Leffler# LibTomMath can be used. See beginning of libtommath.c for details on benefits
35739beb93cSSam Leffler# and drawbacks of this option.
35839beb93cSSam Leffler#CONFIG_INTERNAL_LIBTOMMATH=y
35939beb93cSSam Leffler#ifndef CONFIG_INTERNAL_LIBTOMMATH
36039beb93cSSam Leffler#LTM_PATH=/usr/src/libtommath-0.39
36139beb93cSSam Leffler#CFLAGS += -I$(LTM_PATH)
36239beb93cSSam Leffler#LIBS += -L$(LTM_PATH)
36339beb93cSSam Leffler#LIBS_p += -L$(LTM_PATH)
36439beb93cSSam Leffler#endif
36539beb93cSSam Leffler# At the cost of about 4 kB of additional binary size, the internal LibTomMath
36639beb93cSSam Leffler# can be configured to include faster routines for exptmod, sqr, and div to
36739beb93cSSam Leffler# speed up DH and RSA calculation considerably
36839beb93cSSam Leffler#CONFIG_INTERNAL_LIBTOMMATH_FAST=y
36939beb93cSSam Leffler
37039beb93cSSam Leffler# Include NDIS event processing through WMI into wpa_supplicant/wpasvc.
37139beb93cSSam Leffler# This is only for Windows builds and requires WMI-related header files and
37239beb93cSSam Leffler# WbemUuid.Lib from Platform SDK even when building with MinGW.
37339beb93cSSam Leffler#CONFIG_NDIS_EVENTS_INTEGRATED=y
37439beb93cSSam Leffler#PLATFORMSDKLIB="/opt/Program Files/Microsoft Platform SDK/Lib"
37539beb93cSSam Leffler
376e28a4053SRui Paulo# Add support for new DBus control interface
377c1d255d3SCy Schubert# (fi.w1.wpa_supplicant1)
3784bc52338SCy SchubertCONFIG_CTRL_IFACE_DBUS_NEW=y
379e28a4053SRui Paulo
380e28a4053SRui Paulo# Add introspection support for new DBus control interface
3814bc52338SCy SchubertCONFIG_CTRL_IFACE_DBUS_INTRO=y
382e28a4053SRui Paulo
38339beb93cSSam Leffler# Add support for loading EAP methods dynamically as shared libraries.
38439beb93cSSam Leffler# When this option is enabled, each EAP method can be either included
38539beb93cSSam Leffler# statically (CONFIG_EAP_<method>=y) or dynamically (CONFIG_EAP_<method>=dyn).
38639beb93cSSam Leffler# Dynamic EAP methods are build as shared objects (eap_*.so) and they need to
38739beb93cSSam Leffler# be loaded in the beginning of the wpa_supplicant configuration file
38839beb93cSSam Leffler# (see load_dynamic_eap parameter in the example file) before being used in
38939beb93cSSam Leffler# the network blocks.
39039beb93cSSam Leffler#
39139beb93cSSam Leffler# Note that some shared parts of EAP methods are included in the main program
39239beb93cSSam Leffler# and in order to be able to use dynamic EAP methods using these parts, the
39339beb93cSSam Leffler# main program must have been build with the EAP method enabled (=y or =dyn).
39439beb93cSSam Leffler# This means that EAP-TLS/PEAP/TTLS/FAST cannot be added as dynamic libraries
39539beb93cSSam Leffler# unless at least one of them was included in the main build to force inclusion
39639beb93cSSam Leffler# of the shared code. Similarly, at least one of EAP-SIM/AKA must be included
39739beb93cSSam Leffler# in the main build to be able to load these methods dynamically.
39839beb93cSSam Leffler#
39939beb93cSSam Leffler# Please also note that using dynamic libraries will increase the total binary
40039beb93cSSam Leffler# size. Thus, it may not be the best option for targets that have limited
40139beb93cSSam Leffler# amount of memory/flash.
40239beb93cSSam Leffler#CONFIG_DYNAMIC_EAP_METHODS=y
40339beb93cSSam Leffler
404*a90b9d01SCy Schubert# Dynamic library loading
405*a90b9d01SCy Schubert
406*a90b9d01SCy Schubert# Add the ability to configure libraries to load at compile time.
407*a90b9d01SCy Schubert# If set, these disable dynamic configuration.
408*a90b9d01SCy Schubert#CONFIG_PKCS11_ENGINE_PATH - pkcs11_engine library location.
409*a90b9d01SCy Schubert#CONFIG_PKCS11_MODULE_PATH - pkcs11_module library location.
410*a90b9d01SCy Schubert#CONFIG_OPENSC_ENGINE_PATH - opensc_engine library location.
411*a90b9d01SCy Schubert#
412*a90b9d01SCy Schubert# Prevent library loading at runtime
413*a90b9d01SCy Schubert#CONFIG_NO_PKCS11_ENGINE_PATH=y # prevents loading pkcs11_engine library.
414*a90b9d01SCy Schubert#CONFIG_NO_PKCS11_MODULE_PATH=y # prevents loading pkcs11_module library.
415*a90b9d01SCy Schubert# CONFIG_NO_OPENSC_ENGINE_PATH=y # prevents loading opensc_engine library.
416*a90b9d01SCy Schubert
417*a90b9d01SCy Schubert# Prevents loading EAP libraries at runtime
418*a90b9d01SCy Schubert#CONFIG_NO_LOAD_DYNAMIC_EAP=y
419*a90b9d01SCy Schubert
42085732ac8SCy Schubert# IEEE Std 802.11r-2008 (Fast BSS Transition) for station mode
4214bc52338SCy SchubertCONFIG_IEEE80211R=y
42239beb93cSSam Leffler
42339beb93cSSam Leffler# Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt)
4244bc52338SCy SchubertCONFIG_DEBUG_FILE=y
42539beb93cSSam Leffler
426f05cddf9SRui Paulo# Send debug messages to syslog instead of stdout
4274bc52338SCy SchubertCONFIG_DEBUG_SYSLOG=y
428f05cddf9SRui Paulo# Set syslog facility for debug messages
429f05cddf9SRui Paulo#CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON
430f05cddf9SRui Paulo
431f05cddf9SRui Paulo# Add support for sending all debug messages (regardless of debug verbosity)
432f05cddf9SRui Paulo# to the Linux kernel tracing facility. This helps debug the entire stack by
433f05cddf9SRui Paulo# making it easy to record everything happening from the driver up into the
434f05cddf9SRui Paulo# same file, e.g., using trace-cmd.
435f05cddf9SRui Paulo#CONFIG_DEBUG_LINUX_TRACING=y
436f05cddf9SRui Paulo
4375b9c547cSRui Paulo# Add support for writing debug log to Android logcat instead of standard
4385b9c547cSRui Paulo# output
4395b9c547cSRui Paulo#CONFIG_ANDROID_LOG=y
4405b9c547cSRui Paulo
44139beb93cSSam Leffler# Enable privilege separation (see README 'Privilege separation' for details)
44239beb93cSSam Leffler#CONFIG_PRIVSEP=y
44339beb93cSSam Leffler
44439beb93cSSam Leffler# Enable mitigation against certain attacks against TKIP by delaying Michael
44539beb93cSSam Leffler# MIC error reports by a random amount of time between 0 and 60 seconds
44639beb93cSSam Leffler#CONFIG_DELAYED_MIC_ERROR_REPORT=y
447e28a4053SRui Paulo
448e28a4053SRui Paulo# Enable tracing code for developer debugging
449e28a4053SRui Paulo# This tracks use of memory allocations and other registrations and reports
450e28a4053SRui Paulo# incorrect use with a backtrace of call (or allocation) location.
451e28a4053SRui Paulo#CONFIG_WPA_TRACE=y
452f05cddf9SRui Paulo# For BSD, uncomment these.
453e28a4053SRui Paulo#LIBS += -lexecinfo
454e28a4053SRui Paulo#LIBS_p += -lexecinfo
455e28a4053SRui Paulo#LIBS_c += -lexecinfo
456e28a4053SRui Paulo
457e28a4053SRui Paulo# Use libbfd to get more details for developer debugging
458e28a4053SRui Paulo# This enables use of libbfd to get more detailed symbols for the backtraces
459e28a4053SRui Paulo# generated by CONFIG_WPA_TRACE=y.
460e28a4053SRui Paulo#CONFIG_WPA_TRACE_BFD=y
461f05cddf9SRui Paulo# For BSD, uncomment these.
462e28a4053SRui Paulo#LIBS += -lbfd -liberty -lz
463e28a4053SRui Paulo#LIBS_p += -lbfd -liberty -lz
464e28a4053SRui Paulo#LIBS_c += -lbfd -liberty -lz
465f05cddf9SRui Paulo
466f05cddf9SRui Paulo# wpa_supplicant depends on strong random number generation being available
467f05cddf9SRui Paulo# from the operating system. os_get_random() function is used to fetch random
468f05cddf9SRui Paulo# data when needed, e.g., for key generation. On Linux and BSD systems, this
469f05cddf9SRui Paulo# works by reading /dev/urandom. It should be noted that the OS entropy pool
470f05cddf9SRui Paulo# needs to be properly initialized before wpa_supplicant is started. This is
471f05cddf9SRui Paulo# important especially on embedded devices that do not have a hardware random
472f05cddf9SRui Paulo# number generator and may by default start up with minimal entropy available
473f05cddf9SRui Paulo# for random number generation.
474f05cddf9SRui Paulo#
475f05cddf9SRui Paulo# As a safety net, wpa_supplicant is by default trying to internally collect
476f05cddf9SRui Paulo# additional entropy for generating random data to mix in with the data fetched
477f05cddf9SRui Paulo# from the OS. This by itself is not considered to be very strong, but it may
478f05cddf9SRui Paulo# help in cases where the system pool is not initialized properly. However, it
479f05cddf9SRui Paulo# is very strongly recommended that the system pool is initialized with enough
480f05cddf9SRui Paulo# entropy either by using hardware assisted random number generator or by
481f05cddf9SRui Paulo# storing state over device reboots.
482f05cddf9SRui Paulo#
483f05cddf9SRui Paulo# wpa_supplicant can be configured to maintain its own entropy store over
484f05cddf9SRui Paulo# restarts to enhance random number generation. This is not perfect, but it is
485f05cddf9SRui Paulo# much more secure than using the same sequence of random numbers after every
486f05cddf9SRui Paulo# reboot. This can be enabled with -e<entropy file> command line option. The
487f05cddf9SRui Paulo# specified file needs to be readable and writable by wpa_supplicant.
488f05cddf9SRui Paulo#
489f05cddf9SRui Paulo# If the os_get_random() is known to provide strong random data (e.g., on
490f05cddf9SRui Paulo# Linux/BSD, the board in question is known to have reliable source of random
491f05cddf9SRui Paulo# data from /dev/urandom), the internal wpa_supplicant random pool can be
492f05cddf9SRui Paulo# disabled. This will save some in binary size and CPU use. However, this
493f05cddf9SRui Paulo# should only be considered for builds that are known to be used on devices
494f05cddf9SRui Paulo# that meet the requirements described above.
495f05cddf9SRui Paulo#CONFIG_NO_RANDOM_POOL=y
496f05cddf9SRui Paulo
4974bc52338SCy Schubert# Should we attempt to use the getrandom(2) call that provides more reliable
4984bc52338SCy Schubert# yet secure randomness source than /dev/random on Linux 3.17 and newer.
4994bc52338SCy Schubert# Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
5004bc52338SCy Schubert#CONFIG_GETRANDOM=y
5014bc52338SCy Schubert
5025b9c547cSRui Paulo# IEEE 802.11ac (Very High Throughput) support (mainly for AP mode)
5034bc52338SCy SchubertCONFIG_IEEE80211AC=y
5045b9c547cSRui Paulo
505*a90b9d01SCy Schubert# IEEE 802.11ax HE support (mainly for AP mode)
506*a90b9d01SCy SchubertCONFIG_IEEE80211AX=y
507*a90b9d01SCy Schubert
508*a90b9d01SCy Schubert# IEEE 802.11be EHT support (mainly for AP mode)
509*a90b9d01SCy Schubert# CONFIG_IEEE80211AX is mandatory for setting CONFIG_IEEE80211BE.
510*a90b9d01SCy Schubert# Note: This is experimental and work in progress. The definitions are still
511*a90b9d01SCy Schubert# subject to change and this should not be expected to interoperate with the
512*a90b9d01SCy Schubert# final IEEE 802.11be version.
513*a90b9d01SCy Schubert#CONFIG_IEEE80211BE=y
514*a90b9d01SCy Schubert
515f05cddf9SRui Paulo# Wireless Network Management (IEEE Std 802.11v-2011)
516f05cddf9SRui Paulo# Note: This is experimental and not complete implementation.
517f05cddf9SRui Paulo#CONFIG_WNM=y
518f05cddf9SRui Paulo
519f05cddf9SRui Paulo# Interworking (IEEE 802.11u)
520f05cddf9SRui Paulo# This can be used to enable functionality to improve interworking with
521f05cddf9SRui Paulo# external networks (GAS/ANQP to learn more about the networks and network
522f05cddf9SRui Paulo# selection based on available credentials).
5234bc52338SCy SchubertCONFIG_INTERWORKING=y
524f05cddf9SRui Paulo
525f05cddf9SRui Paulo# Hotspot 2.0
5264bc52338SCy SchubertCONFIG_HS20=y
527f05cddf9SRui Paulo
528780fb4a2SCy Schubert# Enable interface matching in wpa_supplicant
529780fb4a2SCy Schubert#CONFIG_MATCH_IFACE=y
530780fb4a2SCy Schubert
5315b9c547cSRui Paulo# Disable roaming in wpa_supplicant
5325b9c547cSRui Paulo#CONFIG_NO_ROAMING=y
5335b9c547cSRui Paulo
534f05cddf9SRui Paulo# AP mode operations with wpa_supplicant
535f05cddf9SRui Paulo# This can be used for controlling AP mode operations with wpa_supplicant. It
536f05cddf9SRui Paulo# should be noted that this is mainly aimed at simple cases like
537f05cddf9SRui Paulo# WPA2-Personal while more complex configurations like WPA2-Enterprise with an
538f05cddf9SRui Paulo# external RADIUS server can be supported with hostapd.
5394bc52338SCy SchubertCONFIG_AP=y
540f05cddf9SRui Paulo
541f05cddf9SRui Paulo# P2P (Wi-Fi Direct)
542f05cddf9SRui Paulo# This can be used to enable P2P support in wpa_supplicant. See README-P2P for
543f05cddf9SRui Paulo# more information on P2P operations.
5444bc52338SCy SchubertCONFIG_P2P=y
545f05cddf9SRui Paulo
5465b9c547cSRui Paulo# Enable TDLS support
547c1d255d3SCy SchubertCONFIG_TDLS=y
5485b9c547cSRui Paulo
5494bc52338SCy Schubert# Wi-Fi Display
5504bc52338SCy Schubert# This can be used to enable Wi-Fi Display extensions for P2P using an external
5515b9c547cSRui Paulo# program to control the additional information exchanges in the messages.
5524bc52338SCy SchubertCONFIG_WIFI_DISPLAY=y
5535b9c547cSRui Paulo
554f05cddf9SRui Paulo# Autoscan
555f05cddf9SRui Paulo# This can be used to enable automatic scan support in wpa_supplicant.
5565b9c547cSRui Paulo# See wpa_supplicant.conf for more information on autoscan usage.
557f05cddf9SRui Paulo#
558f05cddf9SRui Paulo# Enabling directly a module will enable autoscan support.
559f05cddf9SRui Paulo# For exponential module:
560f05cddf9SRui Paulo#CONFIG_AUTOSCAN_EXPONENTIAL=y
561f05cddf9SRui Paulo# For periodic module:
562f05cddf9SRui Paulo#CONFIG_AUTOSCAN_PERIODIC=y
563f05cddf9SRui Paulo
564f05cddf9SRui Paulo# Password (and passphrase, etc.) backend for external storage
565f05cddf9SRui Paulo# These optional mechanisms can be used to add support for storing passwords
566f05cddf9SRui Paulo# and other secrets in external (to wpa_supplicant) location. This allows, for
567f05cddf9SRui Paulo# example, operating system specific key storage to be used
568f05cddf9SRui Paulo#
569f05cddf9SRui Paulo# External password backend for testing purposes (developer use)
570f05cddf9SRui Paulo#CONFIG_EXT_PASSWORD_TEST=y
571c1d255d3SCy Schubert# File-based backend to read passwords from an external file.
572c1d255d3SCy Schubert#CONFIG_EXT_PASSWORD_FILE=y
573325151a3SRui Paulo
574325151a3SRui Paulo# Enable Fast Session Transfer (FST)
575325151a3SRui Paulo#CONFIG_FST=y
576325151a3SRui Paulo
577325151a3SRui Paulo# Enable CLI commands for FST testing
578325151a3SRui Paulo#CONFIG_FST_TEST=y
579325151a3SRui Paulo
580325151a3SRui Paulo# OS X builds. This is only for building eapol_test.
581325151a3SRui Paulo#CONFIG_OSX=y
582780fb4a2SCy Schubert
583780fb4a2SCy Schubert# Automatic Channel Selection
584780fb4a2SCy Schubert# This will allow wpa_supplicant to pick the channel automatically when channel
585780fb4a2SCy Schubert# is set to "0".
586780fb4a2SCy Schubert#
587780fb4a2SCy Schubert# TODO: Extend parser to be able to parse "channel=acs_survey" as an alternative
588780fb4a2SCy Schubert# to "channel=0". This would enable us to eventually add other ACS algorithms in
589780fb4a2SCy Schubert# similar way.
590780fb4a2SCy Schubert#
591780fb4a2SCy Schubert# Automatic selection is currently only done through initialization, later on
592780fb4a2SCy Schubert# we hope to do background checks to keep us moving to more ideal channels as
593780fb4a2SCy Schubert# time goes by. ACS is currently only supported through the nl80211 driver and
594780fb4a2SCy Schubert# your driver must have survey dump capability that is filled by the driver
595780fb4a2SCy Schubert# during scanning.
596780fb4a2SCy Schubert#
597780fb4a2SCy Schubert# TODO: In analogy to hostapd be able to customize the ACS survey algorithm with
598780fb4a2SCy Schubert# a newly to create wpa_supplicant.conf variable acs_num_scans.
599780fb4a2SCy Schubert#
600780fb4a2SCy Schubert# Supported ACS drivers:
601780fb4a2SCy Schubert# * ath9k
602780fb4a2SCy Schubert# * ath5k
603780fb4a2SCy Schubert# * ath10k
604780fb4a2SCy Schubert#
605780fb4a2SCy Schubert# For more details refer to:
606780fb4a2SCy Schubert# http://wireless.kernel.org/en/users/Documentation/acs
607780fb4a2SCy Schubert#CONFIG_ACS=y
608780fb4a2SCy Schubert
609780fb4a2SCy Schubert# Support Multi Band Operation
610780fb4a2SCy Schubert#CONFIG_MBO=y
61185732ac8SCy Schubert
61285732ac8SCy Schubert# Fast Initial Link Setup (FILS) (IEEE 802.11ai)
61385732ac8SCy Schubert#CONFIG_FILS=y
61485732ac8SCy Schubert# FILS shared key authentication with PFS
61585732ac8SCy Schubert#CONFIG_FILS_SK_PFS=y
61685732ac8SCy Schubert
61785732ac8SCy Schubert# Support RSN on IBSS networks
61885732ac8SCy Schubert# This is needed to be able to use mode=1 network profile with proto=RSN and
61985732ac8SCy Schubert# key_mgmt=WPA-PSK (i.e., full key management instead of WPA-None).
6204bc52338SCy SchubertCONFIG_IBSS_RSN=y
62185732ac8SCy Schubert
62285732ac8SCy Schubert# External PMKSA cache control
62385732ac8SCy Schubert# This can be used to enable control interface commands that allow the current
62485732ac8SCy Schubert# PMKSA cache entries to be fetched and new entries to be added.
62585732ac8SCy Schubert#CONFIG_PMKSA_CACHE_EXTERNAL=y
62685732ac8SCy Schubert
62785732ac8SCy Schubert# Mesh Networking (IEEE 802.11s)
62885732ac8SCy Schubert#CONFIG_MESH=y
62985732ac8SCy Schubert
63085732ac8SCy Schubert# Background scanning modules
63185732ac8SCy Schubert# These can be used to request wpa_supplicant to perform background scanning
63285732ac8SCy Schubert# operations for roaming within an ESS (same SSID). See the bgscan parameter in
63385732ac8SCy Schubert# the wpa_supplicant.conf file for more details.
63485732ac8SCy Schubert# Periodic background scans based on signal strength
6354bc52338SCy SchubertCONFIG_BGSCAN_SIMPLE=y
63685732ac8SCy Schubert# Learn channels used by the network and try to avoid bgscans on other
63785732ac8SCy Schubert# channels (experimental)
63885732ac8SCy Schubert#CONFIG_BGSCAN_LEARN=y
63985732ac8SCy Schubert
64085732ac8SCy Schubert# Opportunistic Wireless Encryption (OWE)
64185732ac8SCy Schubert# Experimental implementation of draft-harkins-owe-07.txt
64285732ac8SCy Schubert#CONFIG_OWE=y
6434bc52338SCy Schubert
64432a95656SCy Schubert# Device Provisioning Protocol (DPP) (also known as Wi-Fi Easy Connect)
6454bc52338SCy SchubertCONFIG_DPP=y
64632a95656SCy Schubert# DPP version 2 support
64732a95656SCy SchubertCONFIG_DPP2=y
64832a95656SCy Schubert# DPP version 3 support (experimental and still changing; do not enable for
64932a95656SCy Schubert# production use)
65032a95656SCy Schubert#CONFIG_DPP3=y
651c1d255d3SCy Schubert
652c1d255d3SCy Schubert# Wired equivalent privacy (WEP)
653c1d255d3SCy Schubert# WEP is an obsolete cryptographic data confidentiality algorithm that is not
654c1d255d3SCy Schubert# considered secure. It should not be used for anything anymore. The
655c1d255d3SCy Schubert# functionality needed to use WEP is available in the current wpa_supplicant
656c1d255d3SCy Schubert# release under this optional build parameter. This functionality is subject to
657c1d255d3SCy Schubert# be completely removed in a future release.
658c1d255d3SCy Schubert#CONFIG_WEP=y
659c1d255d3SCy Schubert
660c1d255d3SCy Schubert# Remove all TKIP functionality
661c1d255d3SCy Schubert# TKIP is an old cryptographic data confidentiality algorithm that is not
662c1d255d3SCy Schubert# considered secure. It should not be used anymore for anything else than a
663c1d255d3SCy Schubert# backwards compatibility option as a group cipher when connecting to APs that
664c1d255d3SCy Schubert# use WPA+WPA2 mixed mode. For now, the default wpa_supplicant build includes
665c1d255d3SCy Schubert# support for this by default, but that functionality is subject to be removed
666c1d255d3SCy Schubert# in the future.
667c1d255d3SCy Schubert#CONFIG_NO_TKIP=y
668c1d255d3SCy Schubert
669c1d255d3SCy Schubert# Pre-Association Security Negotiation (PASN)
670c1d255d3SCy Schubert# Experimental implementation based on IEEE P802.11z/D2.6 and the protocol
671c1d255d3SCy Schubert# design is still subject to change. As such, this should not yet be enabled in
672c1d255d3SCy Schubert# production use.
673c1d255d3SCy Schubert#CONFIG_PASN=y
674*a90b9d01SCy Schubert
675*a90b9d01SCy Schubert# Disable support for Radio Measurement (IEEE 802.11k) and supported operating
676*a90b9d01SCy Schubert# class indication. Removing these is not recommended since they can help the
677*a90b9d01SCy Schubert# AP manage the network and STA steering.
678*a90b9d01SCy Schubert#CONFIG_NO_RRM=y
679*a90b9d01SCy Schubert
680*a90b9d01SCy Schubert# Disable support for Robust AV streaming for consumer and enterprise Wi-Fi
681*a90b9d01SCy Schubert# applications; IEEE Std 802.11-2020, 4.3.24; SCS, MSCS, QoS Management
682*a90b9d01SCy Schubert#CONFIG_NO_ROBUST_AV=y
683*a90b9d01SCy Schubert
684*a90b9d01SCy Schubert# Disable support for WMM admission control
685*a90b9d01SCy Schubert#CONFIG_NO_WMM_AC=y
686*a90b9d01SCy Schubert
687*a90b9d01SCy Schubert# Wi-Fi Aware unsynchronized service discovery (NAN USD)
688*a90b9d01SCy Schubert#CONFIG_NAN_USD=y
689