ath9k_htc: Support for AR9271 chipset.

Features:

 * Station mode
 * IBSS mode
 * Monitor mode
 * Legacy support
 * HT support
 * TX/RX 11n Aggregation
 * HW encryption
 * LED
 * Suspend/Resume

For more information: http://wireless.kernel.org/en/users/Drivers/ath9k_htc

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 042999c..bbcc57f 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -23,6 +23,8 @@
 
 /* Common header for Atheros 802.11n base driver cores */
 
+#define IEEE80211_WEP_NKID 4
+
 #define WME_NUM_TID             16
 #define WME_BA_BMP_SIZE         64
 #define WME_MAX_BA              WME_BA_BMP_SIZE
@@ -125,3 +127,18 @@
 				  bool decrypt_error);
 
 int ath9k_cmn_padpos(__le16 frame_control);
+int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
+u32 ath9k_cmn_calcrxfilter(struct ieee80211_hw *hw, struct ath_hw *ah,
+			   unsigned int rxfilter);
+void ath9k_cmn_opmode_init(struct ieee80211_hw *hw, struct ath_hw *ah,
+			   unsigned int rxfilter);
+void ath9k_cmn_update_ichannel(struct ieee80211_hw *hw,
+			       struct ath9k_channel *ichan);
+struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw,
+					       struct ath_hw *ah);
+int ath9k_cmn_key_config(struct ath_common *common,
+			 struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta,
+			 struct ieee80211_key_conf *key);
+void ath9k_cmn_key_delete(struct ath_common *common,
+			  struct ieee80211_key_conf *key);