enic: Add new fw devcmd to set mac address of an interface

This patch adds a new devcmd CMD_SET_MAC_ADDR to set the mac address of an
interface.

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
index 8a58dea..23d5552 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
@@ -337,6 +337,15 @@
 	 *      (u32)a2 = maximum timer value in usec
 	 */
 	CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
+
+	/*
+	 * cmd_set_mac_addr
+	 *	set mac address
+	 * in:
+	 *   (u48)a0 = mac addr
+	 *
+	 */
+	CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
 };
 
 /* CMD_ENABLE2 flags */