b43: Only select allowed TX and RX antennas

This fixes antenna selection in b43. It adds a sanity check
for the antenna numbers we get from mac80211.

This patch depends on
ssb: Fix extraction of values from SPROM

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
index a8503ef4ebc8..2d52d9de9305 100644
--- a/drivers/net/wireless/b43/main.h
+++ b/drivers/net/wireless/b43/main.h
@@ -84,6 +84,9 @@ static inline int b43_is_ofdm_rate(int rate)
         return !b43_is_cck_rate(rate);
 }
 
+u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
+                                  u8 antenna_nr);
+
 void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
 void b43_tsf_write(struct b43_wldev *dev, u64 tsf);