diff --git a/wpa_supplicant/doc/docbook/wpa_supplicant.sgml b/wpa_supplicant/doc/docbook/wpa_supplicant.sgml
index eeb9c0730..ed3de48a0 100644
--- a/wpa_supplicant/doc/docbook/wpa_supplicant.sgml
+++ b/wpa_supplicant/doc/docbook/wpa_supplicant.sgml
@@ -245,10 +245,19 @@
(wpa_supplicant -h).
+
+ nl80211
+
+ Uses the modern Linux nl80211/cfg80211 netlink-based
+ interface (most new drivers).
+
+
+
wext
- Linux wireless extensions (generic).
+ Uses the legacy Linux wireless extensions ioctl-based
+ interface (older hardware/drivers).
@@ -538,10 +547,14 @@ wpa_supplicant \
- Linux kernel 2.4.x or 2.6.x with Linux Wireless
- Extensions v15 or newer
+ Linux kernel 2.6.30 or higher with
+ nl80211/cfg80211 support
+
+ Linux kernel 2.4.x or higher with Linux Wireless
+ Extensions v15 or newer
+
FreeBSD 6-CURRENT
@@ -557,6 +570,13 @@ wpa_supplicant \
Supported Drivers
+
+ Linux nl80211/cfg80211
+
+ This is the preferred driver for Linux.
+
+
+
Linux wireless extensions