iwlwifi: define structures and functions externally for customization

defined the structures and functions as extern to alter behavior used by
5000 series for other products including 100 and 6000 series

Signed-off-by: Jay Sternberg <jay.e.sternberg@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b9954bc..afde713 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -67,6 +67,18 @@
 /* shared structures from iwl-5000.c */
 extern struct iwl_mod_params iwl50_mod_params;
 extern struct iwl_ops iwl5000_ops;
+extern struct iwl_lib_ops iwl5000_lib;
+extern struct iwl_hcmd_ops iwl5000_hcmd;
+extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
+
+/* shared functions from iwl-5000.c */
+extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
+extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
+				     u8 *data);
+extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+				    __le32 *tx_flags);
+extern int iwl5000_calc_rssi(struct iwl_priv *priv,
+			     struct iwl_rx_phy_res *rx_resp);
 
 /* CT-KILL constants */
 #define CT_KILL_THRESHOLD	110 /* in Celsius */