Wpa_supplicant 用法
usage:
wpa_supplicant [-BddhKLqqstuvW] [-P<pid file>] [-g<global ctrl>] \
-i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] [-p<driver_param>] \
[-b<br_ifname>] [-f<debug file>] \
[-N -i<ifname> -c<conf> [-C<ctrl>] [-D<driver>] \
[-p<driver_param>] [-b<br_ifname>] ...]
drivers:
wext = Linux wireless extensions (generic)
nl80211 = Linux nl80211/cfg80211
atmel = ATMEL AT76C5XXx (USB, PCMCIA)
wired = wpa_supplicant wired Ethernet driver
options:
-b = optional bridge interface name
-B = run daemon in the background
-c = Configuration file
-C = ctrl_interface parameter (only used if -c is not)
-i = interface name
-d = increase debugging verbosity (-dd even more)
-D = driver name (can be multiple drivers: nl80211,wext)
-f = log output to debug file instead of stdout
-g = global ctrl_interface
-K = include keys (passwords, etc.) in debug output
-s = log output to syslog instead of stdout
-t = include timestamp in debug messages
-h = show this help text
-L = show license (GPL and BSD)
-p = driver parameters
-P = PID file
-q = decrease debugging verbosity (-qq even less)
-u = enable DBus control interface
-v = show version
-W = wait for a control interface monitor before starting
-N = start describing new interface
example:
wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf