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diff --git a/src/dpdk_lib18/librte_pmd_i40e/i40e/i40e_diag.h b/src/dpdk_lib18/librte_pmd_i40e/i40e/i40e_diag.h
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+++ b/src/dpdk_lib18/librte_pmd_i40e/i40e/i40e_diag.h
@@ -0,0 +1,61 @@
+/*******************************************************************************
+
+Copyright (c) 2013 - 2014, Intel Corporation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+#ifndef _I40E_DIAG_H_
+#define _I40E_DIAG_H_
+
+#include "i40e_type.h"
+
+enum i40e_lb_mode {
+	I40E_LB_MODE_NONE       = 0x0,
+	I40E_LB_MODE_PHY_LOCAL  = I40E_AQ_LB_PHY_LOCAL,
+	I40E_LB_MODE_PHY_REMOTE = I40E_AQ_LB_PHY_REMOTE,
+	I40E_LB_MODE_MAC_LOCAL  = I40E_AQ_LB_MAC_LOCAL,
+};
+
+struct i40e_diag_reg_test_info {
+	u32 offset;	/* the base register */
+	u32 mask;	/* bits that can be tested */
+	u32 elements;	/* number of elements if array */
+	u32 stride;	/* bytes between each element */
+};
+
+extern struct i40e_diag_reg_test_info i40e_reg_list[];
+
+enum i40e_status_code i40e_diag_set_loopback(struct i40e_hw *hw,
+					     enum i40e_lb_mode mode);
+enum i40e_status_code i40e_diag_fw_alive_test(struct i40e_hw *hw);
+enum i40e_status_code i40e_diag_reg_test(struct i40e_hw *hw);
+enum i40e_status_code i40e_diag_eeprom_test(struct i40e_hw *hw);
+
+#endif /* _I40E_DIAG_H_ */