Add comments on the new Broadcom driver not using driver_broadcom.c

The newer Broadcom driver ("hybrid Linux driver") supports Linux
wireless extensions and does not need (or even work) with the old
driver wrapper.

src/drivers/driver_broadcom.c

@@ -1,5 +1,5 @@
 /*
- * WPA Supplicant - driver interaction with Broadcom wl.o driver
+ * WPA Supplicant - driver interaction with old Broadcom wl.o driver
  * Copyright (c) 2004, Nikki Chumkov <nikki@gattaca.ru>
  * Copyright (c) 2004, Jouni Malinen <j@w1.fi>
  *
@@ -11,6 +11,10 @@
  * license.
  *
  * See README and COPYING for more details.
+ *
+ * Please note that the newer Broadcom driver ("hybrid Linux driver") supports
+ * Linux wireless extensions and does not need (or even work) with this old
+ * driver wrapper. Use driver_wext.c with that driver.
  */
 
 #include "includes.h"

wpa_supplicant/README

@@ -166,7 +166,7 @@ Current hardware/software requirements:
 	Linux ndiswrapper (http://ndiswrapper.sourceforge.net/) with
 	Windows NDIS driver.
 
-	Broadcom wl.o driver
+	Broadcom wl.o driver (old version only)
 	This is a generic Linux driver for Broadcom IEEE 802.11a/g cards.
 	However, it is proprietary driver that is not publicly available
 	except for couple of exceptions, mainly Broadcom-based APs/wireless
@@ -176,7 +176,10 @@ Current hardware/software requirements:
 	the needed header file, wlioctl.h, for compiling wpa_supplicant.
 	This driver support in wpa_supplicant is expected to work also with
 	other devices based on Broadcom driver (assuming the driver includes
-	client mode support).
+	client mode support). Please note that the newer Broadcom driver
+	("hybrid Linux driver") supports Linux wireless extensions and does
+	not need (or even work) with the specific driver wrapper. Use -Dwext
+	with that driver.
 
 	Intel ipw2100 driver
 	(http://sourceforge.net/projects/ipw2100/)

wpa_supplicant/defconfig

@@ -65,7 +65,10 @@ CONFIG_DRIVER_HOSTAP=y
 # Driver interface for Atmel driver
 CONFIG_DRIVER_ATMEL=y
 
-# Driver interface for Broadcom driver
+# Driver interface for old Broadcom driver
+# Please note that the newer Broadcom driver ("hybrid Linux driver") supports
+# Linux wireless extensions and does not need (or even work) with the old
+# driver wrapper. Use CONFIG_DRIVER_WEXT=y with that driver.
 #CONFIG_DRIVER_BROADCOM=y
 # Example path for wlioctl.h; change to match your configuration
 #CFLAGS += -I/opt/WRT54GS/release/src/include