diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 4a29b8a..f94a6ee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -220,6 +220,14 @@
 	struct fw_desc data;	/* firmware data image */
 };
 
+/* Opaque calibration results */
+struct iwl_calib_result {
+	struct list_head list;
+	size_t cmd_len;
+	struct iwl_calib_hdr hdr;
+	/* data follows */
+};
+
 /**
  * struct iwl_trans - transport common data
  * @ops - pointer to iwl_trans_ops
@@ -229,6 +237,8 @@
  * @ucode_rt: run time ucode image
  * @ucode_init: init ucode image
  * @ucode_wowlan: wake on wireless ucode image (optional)
+ * @nvm_device_type: indicates OTP or eeprom
+ * @calib_results: list head for init calibration results
  */
 struct iwl_trans {
 	const struct iwl_trans_ops *ops;
@@ -243,6 +253,9 @@
 	/* eeprom related variables */
 	int    nvm_device_type;
 
+	/* init calibration results */
+	struct list_head calib_results;
+
 	/* pointer to trans specific struct */
 	/*Ensure that this pointer will always be aligned to sizeof pointer */
 	char trans_specific[0] __attribute__((__aligned__(sizeof(void *))));
@@ -379,4 +392,9 @@
 		      const void *data, size_t len);
 void iwl_dealloc_ucode(struct iwl_trans *trans);
 
+int iwl_send_calib_results(struct iwl_trans *trans);
+int iwl_calib_set(struct iwl_trans *trans,
+		  const struct iwl_calib_hdr *cmd, int len);
+void iwl_calib_free_results(struct iwl_trans *trans);
+
 #endif /* __iwl_trans_h__ */