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diff --git a/sys/ofed/drivers/net/mlx4/utils.h b/sys/ofed/drivers/net/mlx4/utils.h
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+/*
+ * Copyright (c) 2014 Mellanox Technologies Ltd.  All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _MLX4_UTILS_H_
+#define	_MLX4_UTILS_H_
+
+/* Lagg flags */
+#define	MLX4_F_HASHL2		0x00000001	/* hash layer 2 */
+#define	MLX4_F_HASHL3		0x00000002	/* hash layer 3 */
+#define	MLX4_F_HASHL4		0x00000004	/* hash layer 4 */
+#define	MLX4_F_HASHMASK		0x00000007
+
+uint32_t mlx4_en_hashmbuf(uint32_t flags, struct mbuf *m, uint32_t key);
+
+#endif		/* _MLX4_UTILS_H_ */