void CamResetAllEntry(struct net_device* dev);
void EnableHWSecurityConfig8192(struct net_device *dev);
void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType, const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent );
-extern void dm_cck_txpower_adjust(struct net_device *dev,bool binch14);
-extern void firmware_init_param(struct net_device *dev);
-extern RT_STATUS cmpk_message_handle_tx(struct net_device *dev, u8* codevirtualaddress, u32 packettype, u32 buffer_len);
+void dm_cck_txpower_adjust(struct net_device *dev, bool binch14);
+void firmware_init_param(struct net_device *dev);
+RT_STATUS cmpk_message_handle_tx(struct net_device *dev, u8* codevirtualaddress, u32 packettype, u32 buffer_len);
void rtl8192_hw_wakeup_wq (struct work_struct *work);
short rtl8192_is_tx_queue_empty(struct net_device *dev);