documentation for an up to date list.
MadWifi supports the use of the Wireless Extensions ioctls equal to or
-greater than WE18 (linux 2.6.15). When using wpa_supplicant with a
+greater than WE18 (Linux 2.6.13). When using wpa_supplicant with a
recent linux kernel, it is preferred to use the 'wext' driver backend,
rather than the private MadWifi ioctls. This means that '-D wext'
-option should be used with wpa_supplicant when the linux kernel version
-is 2.6.15 or above.
+option should be used with wpa_supplicant.
NOTE: the in-kernel authenticator is being replaced; to use it you need
to follow the directions in net80211/Makefile.