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diff --git a/arch/arm/cpu/ixp/npe/include/IxEthDBPortDefs.h b/arch/arm/cpu/ixp/npe/include/IxEthDBPortDefs.h
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+/**
+ * @file IxEthDBPortDefs.h
+ *
+ * @brief Public definition of the ports and port capabilities
+ * 
+ * @par
+ * IXP400 SW Release version 2.0
+ * 
+ * -- Copyright Notice --
+ * 
+ * @par
+ * Copyright 2001-2005, Intel Corporation.
+ * All rights reserved.
+ * 
+ * @par
+ * 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.
+ * 
+ * @par
+ * 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.
+ * 
+ * @par
+ * -- End of Copyright Notice --
+ */
+
+/**
+ * @defgroup IxEthDBPortDefs IXP400 Ethernet Database Port Definitions (IxEthDBPortDefs)
+ *
+ * @brief IXP400 Public definition of the ports and port capabilities
+ *
+ * @{
+ */
+
+#ifndef IxEthDBPortDefs_H
+#define IxEthDBPortDefs_H
+
+/** 
+ * @brief Port types - currently only Ethernet NPEs are recognized as specific types 
+ * All other (user-defined) ports must be specified as IX_ETH_GENERIC
+ */
+typedef enum
+{
+    IX_ETH_GENERIC = 0, /**< generic ethernet port */
+    IX_ETH_NPE          /**< specific Ethernet NPE */
+} IxEthDBPortType;
+
+/** 
+ * @brief Port capabilities - used by ixEthAccDatabaseMaintenance to decide whether it
+ * should manually age entries or not depending on the port capabilities.
+ *
+ * Ethernet NPEs have aging capabilities, meaning that they will age the entries
+ * automatically (by themselves).*/
+typedef enum
+{
+    IX_ETH_NO_CAPABILITIES = 0,   /**< no aging capabilities */
+    IX_ETH_ENTRY_AGING     = 0x1  /**< aging capabilities present */
+} IxEthDBPortCapability;
+
+/** 
+ * @brief Port Definition - a structure contains the Port type and capabilities 
+ */
+typedef struct
+{
+    IxEthDBPortType type;
+    IxEthDBPortCapability capabilities;
+} IxEthDBPortDefinition;
+
+/** 
+ * @brief Port definitions structure, indexed on the port ID
+ * @warning Ports 0 and 1 are used by the Ethernet access component therefore
+ * it is essential to be left untouched. Port 2 here (WAN) is given as 
+ * an example port. The NPE firmware also assumes the NPE B to be
+ * the port 0 and NPE C to be the port 1.
+ *
+ * @note that only 32 ports (0..31) are supported by EthDB
+ */
+static const IxEthDBPortDefinition ixEthDBPortDefinitions[] = 
+{
+    /*    id       type              capabilities */
+    {   /* 0 */    IX_ETH_NPE,       IX_ETH_NO_CAPABILITIES },    /* Ethernet NPE B */
+    {   /* 1 */    IX_ETH_NPE,       IX_ETH_NO_CAPABILITIES },    /* Ethernet NPE C */
+    {   /* 2 */    IX_ETH_NPE,       IX_ETH_NO_CAPABILITIES },    /* Ethernet NPE A */
+    {   /* 3 */    IX_ETH_GENERIC,   IX_ETH_NO_CAPABILITIES },    /* WAN port */
+};
+
+/** 
+ * @def IX_ETH_DB_NUMBER_OF_PORTS
+ * @brief number of supported ports 
+ */
+#define IX_ETH_DB_NUMBER_OF_PORTS (sizeof (ixEthDBPortDefinitions) / sizeof (ixEthDBPortDefinitions[0]))
+
+/**
+ * @def IX_ETH_DB_UNKNOWN_PORT
+ * @brief definition of an unknown port
+ */
+#define IX_ETH_DB_UNKNOWN_PORT (0xff)
+
+/** 
+ * @def IX_ETH_DB_ALL_PORTS
+ * @brief Special port ID indicating all the ports
+ * @note This port ID can be used only by a subset of the EthDB API; each
+ * function specifically mentions whether this is a valid parameter as the port ID
+ */
+#define IX_ETH_DB_ALL_PORTS (IX_ETH_DB_NUMBER_OF_PORTS + 1)
+
+/**
+ * @def IX_ETH_DB_PORTS_ASSERTION
+ * @brief catch invalid port definitions (<2) with a 
+ * compile-time assertion resulting in a duplicate case error. 
+ */
+#define IX_ETH_DB_PORTS_ASSERTION { switch(0) { case 0 : ; case 1 : ; case IX_ETH_DB_NUMBER_OF_PORTS : ; }}
+
+/** 
+ * @def IX_ETH_DB_CHECK_PORT(portID)
+ * @brief safety checks to verify whether the port is invalid or uninitialized
+ */
+#define IX_ETH_DB_CHECK_PORT(portID) \
+{ \
+  if ((portID) >= IX_ETH_DB_NUMBER_OF_PORTS) \
+  { \
+      return IX_ETH_DB_INVALID_PORT; \
+  } \
+  \
+  if (!ixEthDBPortInfo[(portID)].enabled) \
+  { \
+      return IX_ETH_DB_PORT_UNINITIALIZED; \
+  } \
+}
+
+/**
+ * @def IX_ETH_DB_CHECK_PORT_ALL(portID)
+ * @brief safety checks to verify whether the port is invalid or uninitialized; 
+ * tolerates the use of IX_ETH_DB_ALL_PORTS
+ */
+#define IX_ETH_DB_CHECK_PORT_ALL(portID) \
+{ \
+  if ((portID) != IX_ETH_DB_ALL_PORTS) \
+    IX_ETH_DB_CHECK_PORT(portID) \
+}
+
+#endif /* IxEthDBPortDefs_H */
+/**
+ *@}
+ */