b43: Add QOS support

This adds QOS support to the b43 driver.
QOS can be disabled on driver level with a module parameter for debugging purposes.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
index 24a79f5..1197975 100644
--- a/drivers/net/wireless/b43/main.h
+++ b/drivers/net/wireless/b43/main.h
@@ -38,6 +38,10 @@
 /* Magic helper macro to pad structures. Ignore those above. It's magic. */
 #define PAD_BYTES(nr_bytes)		P4D_BYTES( __LINE__ , (nr_bytes))
 
+
+extern int b43_modparam_qos;
+
+
 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
 static inline u8 b43_freq_to_channel_5ghz(int freq)
 {