diff --git a/cpu/ixp/npe/include/IxEthNpe.h b/cpu/ixp/npe/include/IxEthNpe.h
new file mode 100644
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+#ifndef __doxygen_HIDE  /* This file is not part of the API */
+
+/**
+ * @file IxEthNpe.h
+ * 
+ * @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 IxEthNpe IXP400 Ethernet NPE (IxEthNpe) API
+ *
+ * @brief Contains the API for Ethernet NPE.
+ * 
+ * All messages given to NPE, get back an acknowledgment. The acknowledgment 
+ * is identical to the message sent to the NPE (except for NPE_GETSTATUS message).
+ *
+ * @{
+ */
+
+
+/*--------------------------------------------------------------------------
+ * APB Message IDs - XScale->NPE
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def IX_ETHNPE_NPE_GETSTATUS
+ *
+ * @brief Request from the XScale client for the NPE to return the firmware
+ * version of the currently executing image.
+ *
+ * Acknowledgment message id is same as the request message id. 
+ * NPE returns the firmware version ID to XScale.
+ */
+#define IX_ETHNPE_NPE_GETSTATUS                 0x00
+
+/**
+ * @def IX_ETHNPE_EDB_SETPORTADDRESS
+ *
+ * @brief Request from the XScale client for the NPE to set the Ethernet 
+ * port's port ID and MAC address. 
+ */
+#define IX_ETHNPE_EDB_SETPORTADDRESS            0x01
+
+/**
+ * @def IX_ETHNPE_EDB_GETMACADDRESSDATABASE
+ *
+ * @brief Request from XScale client to the NPE requesting upload of 
+ * Ethernet Filtering Database or Header Conversion Database from NPE's 
+ * data memory to XScale accessible SDRAM.
+ */
+#define IX_ETHNPE_EDB_GETMACADDRESSDATABASE     0x02
+
+/**
+ * @def IX_ETHNPE_EDB_SETMACADDRESSSDATABASE
+ *
+ * @brief Request from XScale client to the NPE requesting download of 
+ * Ethernet Filtering Database or Header Conversion Database from SDRAM
+ * to the NPE's datamemory.
+ */
+#define IX_ETHNPE_EDB_SETMACADDRESSSDATABASE    0x03
+
+/**
+ * @def IX_ETHNPE_GETSTATS
+ *
+ * @brief Request from the XScale client for the current MAC port statistics 
+ * data to be written to the (empty) statistics structure and the specified
+ * location in externa memory.
+ */
+#define IX_ETHNPE_GETSTATS                      0x04
+
+/**
+ * @def IX_ETHNPE_RESETSTATS
+ *
+ * @brief Request from the XScale client to the NPE to reset all of its internal 
+ * MAC port statistics state variables. 
+ *
+ * As a side effect, this message entails an implicit request that the NPE
+ *  write the current MAC port statistics into the MAC statistics structure 
+ * at the specified location in external memory.
+ */
+#define IX_ETHNPE_RESETSTATS                    0x05
+
+/**
+ * @def IX_ETHNPE_SETMAXFRAMELENGTHS
+ *
+ * @brief Request from the XScale client to the NPE to configure maximum framelengths
+ * and block sizes in receive and transmit direction.
+ */
+#define IX_ETHNPE_SETMAXFRAMELENGTHS            0x06
+
+/**
+ * @def IX_ETHNPE_VLAN_SETRXTAGMODE
+ *
+ * @brief Request from the XScale client to the NPE to configure VLAN frame type
+ * filtering and VLAN the tagging mode for the receiver.
+ */
+#define IX_ETHNPE_VLAN_SETRXTAGMODE             0x07
+
+/**
+ * @def IX_ETHNPE_VLAN_SETDEFAULTRXVID
+ *
+ * @brief Request from the XScale client to the NPE to set receiver's default 
+ * VLAN tag (PVID)and internal traffic class.
+ */
+#define IX_ETHNPE_VLAN_SETDEFAULTRXVID          0x08
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTVLANTABLEENTRY
+ *
+ * @brief Request from the XScale client to the NPE to configure VLAN Port 
+ * membership and Tx tagging for 8 consecutive VLANID's.
+ */
+#define IX_ETHNPE_VLAN_SETPORTVLANTABLEENTRY    0x09
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTVLANTABLERANGE
+ *
+ * @brief Request from the XScale client to the NPE to configure VLAN Port
+ * membership and Tx tagging for a range of VLANID's.
+ */
+#define IX_ETHNPE_VLAN_SETPORTVLANTABLERANGE    0x0A
+
+/**
+ * @def IX_ETHNPE_VLAN_SETRXQOSENTRY
+ *
+ * @brief Request from the XScale client to the NPE to map a user priority
+ * to QoS class and an AQM queue number.
+ */
+#define IX_ETHNPE_VLAN_SETRXQOSENTRY            0x0B
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTIDEXTRACTIONMODE
+ *
+ * @brief Request from the XScale client to the NPE to enable or disable
+ * portID extraction from VLAN-tagged frames for the specified port.
+ */
+#define IX_ETHNPE_VLAN_SETPORTIDEXTRACTIONMODE  0x0C
+
+/**
+ * @def IX_ETHNPE_STP_SETBLOCKINGSTATE
+ *
+ * @brief Request from the XScale client to the NPE to block or unblock
+ * forwarding for spanning tree BPDUs.
+ */
+#define IX_ETHNPE_STP_SETBLOCKINGSTATE          0x0D
+
+/**
+ * @def IX_ETHNPE_FW_SETFIREWALLMODE
+ *
+ * @brief Request from the XScale client to the NPE to configure firewall
+ * services modes of operation and/or download Ethernet Firewall Database from
+ * SDRAM to NPE.
+ */
+#define IX_ETHNPE_FW_SETFIREWALLMODE            0x0E
+
+/**
+ * @def IX_ETHNPE_PC_SETFRAMECONTROLDURATIONID 
+ *
+ * @brief Request from the XScale client to the NPE to set global frame control
+ * and duration/ID field for the 802.3 to 802.11 protocol header conversion
+ * service.
+ */
+#define IX_ETHNPE_PC_SETFRAMECONTROLDURATIONID  0x0F
+
+/**
+ * @def IX_ETHNPE_PC_SETBBSID
+ *
+ * @brief Request from the XScale client to the NPE to set global BBSID field
+ * value for the 802.3 to 802.11 protocol header conversion service. 
+ */
+#define IX_ETHNPE_PC_SETBBSID                   0x10
+
+/**
+ * @def IX_ETHNPE_PC_SETAPMACTABLE
+ *
+ * @brief Request from the XScale client to the NPE to update a block/section/
+ * range of the AP MAC Address Table.
+ */
+#define IX_ETHNPE_PC_SETAPMACTABLE              0x11
+
+/**
+ * @def IX_ETHNPE_SETLOOPBACK_MODE
+ *
+ * @brief Turn on or off the NPE frame loopback.
+ */
+#define IX_ETHNPE_SETLOOPBACK_MODE              (0x12)
+
+/*--------------------------------------------------------------------------
+ * APB Message IDs - NPE->XScale
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def IX_ETHNPE_NPE_GETSTATUS_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_NPE_GETSTATUS message. NPE firmware version 
+ * id is returned in the message.
+ */
+#define IX_ETHNPE_NPE_GETSTATUS_ACK                 0x00
+
+/**
+ * @def IX_ETHNPE_EDB_SETPORTADDRESS_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_EDB_SETPORTADDRESS message.
+ */
+#define IX_ETHNPE_EDB_SETPORTADDRESS_ACK            0x01
+
+/**
+ * @def IX_ETHNPE_EDB_GETMACADDRESSDATABASE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_EDB_GETMACADDRESSDATABASE message
+ */
+#define IX_ETHNPE_EDB_GETMACADDRESSDATABASE_ACK     0x02
+
+/**
+ * @def IX_ETHNPE_EDB_SETMACADDRESSSDATABASE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_EDB_SETMACADDRESSSDATABASE message.
+ */
+#define IX_ETHNPE_EDB_SETMACADDRESSSDATABASE_ACK    0x03
+
+/**
+ * @def IX_ETHNPE_GETSTATS_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_GETSTATS message.
+ */
+#define IX_ETHNPE_GETSTATS_ACK                      0x04
+
+/**
+ * @def IX_ETHNPE_RESETSTATS_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_RESETSTATS message.
+ */
+#define IX_ETHNPE_RESETSTATS_ACK                    0x05
+
+/**
+ * @def IX_ETHNPE_SETMAXFRAMELENGTHS_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_SETMAXFRAMELENGTHS message.
+ */
+#define IX_ETHNPE_SETMAXFRAMELENGTHS_ACK            0x06
+
+/**
+ * @def IX_ETHNPE_VLAN_SETRXTAGMODE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETRXTAGMODE message.
+ */
+#define IX_ETHNPE_VLAN_SETRXTAGMODE_ACK             0x07
+
+/**
+ * @def IX_ETHNPE_VLAN_SETDEFAULTRXVID_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETDEFAULTRXVID  message.
+ */
+#define IX_ETHNPE_VLAN_SETDEFAULTRXVID_ACK          0x08
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTVLANTABLEENTRY_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETPORTVLANTABLEENTRY message.
+ */
+#define IX_ETHNPE_VLAN_SETPORTVLANTABLEENTRY_ACK    0x09
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTVLANTABLERANGE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETPORTVLANTABLERANGE message.
+ */
+#define IX_ETHNPE_VLAN_SETPORTVLANTABLERANGE_ACK    0x0A
+
+/**
+ * @def IX_ETHNPE_VLAN_SETRXQOSENTRY_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETRXQOSENTRY message.
+ */
+#define IX_ETHNPE_VLAN_SETRXQOSENTRY_ACK            0x0B
+
+/**
+ * @def IX_ETHNPE_VLAN_SETPORTIDEXTRACTIONMODE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_VLAN_SETPORTIDEXTRACTIONMODE message.
+ */
+#define IX_ETHNPE_VLAN_SETPORTIDEXTRACTIONMODE_ACK  0x0C
+
+/**
+ * @def IX_ETHNPE_STP_SETBLOCKINGSTATE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_STP_SETBLOCKINGSTATE message.
+ */
+#define IX_ETHNPE_STP_SETBLOCKINGSTATE_ACK          0x0D
+
+/**
+ * @def IX_ETHNPE_FW_SETFIREWALLMODE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_FW_SETFIREWALLMODE message. 
+ */
+#define IX_ETHNPE_FW_SETFIREWALLMODE_ACK            0x0E
+
+/**
+ * @def IX_ETHNPE_PC_SETFRAMECONTROLDURATIONID_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_PC_SETFRAMECONTROLDURATIONID message.
+ */
+#define IX_ETHNPE_PC_SETFRAMECONTROLDURATIONID_ACK  0x0F
+
+/**
+ * @def IX_ETHNPE_PC_SETBBSID_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_PC_SETBBSID message.
+ */
+#define IX_ETHNPE_PC_SETBBSID_ACK                   0x10
+
+/**
+ * @def IX_ETHNPE_PC_SETAPMACTABLE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_PC_SETAPMACTABLE message.
+ */
+#define IX_ETHNPE_PC_SETAPMACTABLE_ACK              0x11
+
+/**
+ * @def IX_ETHNPE_SETLOOPBACK_MODE_ACK
+ *
+ * @brief Acknowledgment to IX_ETHNPE_SETLOOPBACK_MODE message.
+ */
+#define IX_ETHNPE_SETLOOPBACK_MODE_ACK              (0x12)
+
+/*--------------------------------------------------------------------------
+ * Queue Manager Queue entry bit field boundary definitions
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def MASK(hi,lo)
+ *
+ * @brief Macro for mask
+ */
+#define MASK(hi,lo)                    (((1 << (1 + ((hi) - (lo)))) - 1) << (lo))
+
+/**
+ * @def BITS(x,hi,lo)
+ *
+ * @brief Macro for bits
+ */
+#define BITS(x,hi,lo)                  (((x) & MASK(hi,lo)) >> (lo))
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_LENGTH_MASK
+ *
+ * @brief QMgr Queue LENGTH field mask
+ */
+#define IX_ETHNPE_QM_Q_RXENET_LENGTH_MASK   0x3fff
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_FLAG_R
+ *
+ * @brief QMgr Queue FLAG field right boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_FLAG_R             20
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_FLAG_MASK
+ *
+ * @brief QMgr Queue FLAG field mask
+ *
+ * Multicast bit : BIT(4)
+ * Broadcast bit : BIT(5)
+ * IP bit        : BIT(6) (linux only)
+ *
+ */
+#ifdef __vxworks
+#define IX_ETHNPE_QM_Q_FIELD_FLAG_MASK           0x30
+#else
+#define IX_ETHNPE_QM_Q_FIELD_FLAG_MASK           0x70
+#endif
+
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_NPEID_L
+ *
+ * @brief QMgr Queue NPE ID field left boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_NPEID_L            1
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_NPEID_R
+ *
+ * @brief QMgr Queue NPE ID field right boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_NPEID_R            0
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_PRIOR_L
+ *
+ * @brief QMgr Queue Priority field left boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_PRIOR_L            2
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_PRIOR_R
+ *
+ * @brief QMgr Queue Priority field right boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_PRIOR_R            0
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_ADDR_L 
+ *
+ * @brief QMgr Queue Address field left boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_ADDR_L             31
+
+/**
+ * @def IX_ETHNPE_QM_Q_FIELD_ADDR_R
+ *
+ * @brief QMgr Queue Address field right boundary
+ */
+#define IX_ETHNPE_QM_Q_FIELD_ADDR_R              5
+
+/*--------------------------------------------------------------------------
+ * Queue Manager Queue entry bit field masks
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def IX_ETHNPE_QM_Q_FREEENET_ADDR_MASK 
+ *
+ * @brief Macro to mask the Address field of the FreeEnet Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_FREEENET_ADDR_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_ADDR_L, \
+                  IX_ETHNPE_QM_Q_FIELD_ADDR_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_NPEID_MASK  
+ *
+ * @brief Macro to mask the NPE ID field of the RxEnet Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_RXENET_NPEID_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_NPEID_L, \
+                  IX_ETHNPE_QM_Q_FIELD_NPEID_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_ADDR_MASK 
+ *
+ * @brief Macro to mask the Mbuf Address field of the RxEnet Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_RXENET_ADDR_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_ADDR_L, \
+                  IX_ETHNPE_QM_Q_FIELD_ADDR_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENET_PRIOR_MASK
+ *
+ * @brief Macro to mask the Priority field of the TxEnet Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_TXENET_PRIOR_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_PRIOR_L, \
+                  IX_ETHNPE_QM_Q_FIELD_PRIOR_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENET_ADDR_MASK 
+ *
+ * @brief Macro to mask the Mbuf Address field of the TxEnet Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_TXENET_ADDR_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_ADDR_L, \
+                  IX_ETHNPE_QM_Q_FIELD_ADDR_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENETDONE_NPEID_MASK 
+ *
+ * @brief Macro to mask the NPE ID field of the TxEnetDone Queue Manager Entry
+ */
+#define IX_ETHNPE_QM_Q_TXENETDONE_NPEID_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_NPEID_L, \
+                  IX_ETHNPE_QM_Q_FIELD_NPEID_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENETDONE_ADDR_MASK 
+ * 
+ * @brief Macro to mask the Mbuf Address field of the TxEnetDone Queue Manager 
+ * Entry
+ */
+#define IX_ETHNPE_QM_Q_TXENETDONE_ADDR_MASK \
+            MASK (IX_ETHNPE_QM_Q_FIELD_ADDR_L, \
+                  IX_ETHNPE_QM_Q_FIELD_ADDR_R)
+
+/*--------------------------------------------------------------------------
+ * Queue Manager Queue entry bit field value extraction macros
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def IX_ETHNPE_QM_Q_FREEENET_ADDR_VAL(x)
+ *
+ * @brief Extraction macro for Address field of FreeNet Queue Manager Entry 
+ *
+ * Pointer to an mbuf buffer descriptor
+ */
+#define IX_ETHNPE_QM_Q_FREEENET_ADDR_VAL(x) \
+            ((x) & IX_ETHNPE_QM_Q_FREEENET_ADDR_MASK)
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_NPEID_VAL(x)
+ *
+ * @brief Extraction macro for NPE ID field of RxEnet Queue Manager Entry 
+ *
+ * Set to 0 for entries originating from the Eth0 NPE; 
+ * Set to 1 for entries originating from the Eth1 NPE.
+ */
+#define IX_ETHNPE_QM_Q_RXENET_NPEID_VAL(x) \
+            BITS (x, IX_ETHNPE_QM_Q_FIELD_NPEID_L, \
+                     IX_ETHNPE_QM_Q_FIELD_NPEID_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_PORTID_VAL(x)
+ *
+ * @brief Extraction macro for Port ID field of RxEnet Queue Manager Entry 
+ *
+ * 0-5: Assignable (by the XScale client) to any of the physical ports.
+ * 6: It is reserved
+ * 7: Indication that the NPE did not find the associated frame's destination MAC address within 
+ * its internal filtering database.
+ */
+#define IX_ETHNPE_QM_Q_RXENET_PORTID_VAL(x) \
+            BITS (x, IX_ETHNPE_QM_Q_FIELD_PORTID_L, \
+                     IX_ETHNPE_QM_Q_Field_PortID_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_RXENET_ADDR_VAL(x)
+ *
+ * @brief Extraction macro for Address field of RxEnet Queue Manager Entry
+ *
+ * Pointer to an mbuf buffer descriptor
+ */
+#define IX_ETHNPE_QM_Q_RXENET_ADDR_VAL(x) \
+            ((x) & IX_ETHNPE_QM_Q_RXENET_ADDR_MASK)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENET_PRIOR_VAL(x)
+ *
+ * @brief Extraction macro for Priority field of TxEnet Queue Manager Entry
+ *
+ * Priority of the packet (as described in IEEE 802.1D). This field is
+ * cleared upon return from the Ethernet NPE to the TxEnetDone queue.
+ */
+#define IX_ETHNPE_QM_Q_TXENET_PRIOR_VAL(x) \
+            BITS (x, IX_ETHNPE_QM_Q_FIELD_PRIOR_L, \
+                     IX_ETHNPE_QM_Q_FIELD_PRIOR_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENET_ADDR_VAL(x)
+ *
+ * @brief Extraction macro for Address field of Queue Manager TxEnet Queue 
+ * Manager Entry
+ *
+ * Pointer to an mbuf buffer descriptor
+ */
+#define IX_ETHNPE_QM_Q_TXENET_ADDR_VAL(x) \
+            ((x) & IX_ETHNPE_QM_Q_TXENET_ADDR_MASK)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENETDONE_NPEID_VAL(x)
+ *
+ * @brief Extraction macro for NPE ID field of TxEnetDone Queue Manager Entry
+ *
+ * Set to 0 for entries originating from the Eth0 NPE; set to 1 for en-tries 
+ * originating from the Eth1 NPE.
+ */
+#define IX_ETHNPE_QM_Q_TXENETDONE_NPEID_VAL(x) \
+            BITS (x, IX_ETHNPE_QM_Q_FIELD_NPEID_L, \
+                     IX_ETHNPE_QM_Q_FIELD_NPEID_R)
+
+/**
+ * @def IX_ETHNPE_QM_Q_TXENETDONE_ADDR_VAL(x)
+ *
+ * @brief Extraction macro for Address field of TxEnetDone Queue Manager Entry
+ *
+ * Pointer to an mbuf buffer descriptor
+ */
+#define IX_ETHNPE_QM_Q_TXENETDONE_ADDR_VAL(x) \
+            ((x) & IX_ETHNPE_QM_Q_TXENETDONE_ADDR_MASK)
+
+
+/*--------------------------------------------------------------------------
+ * NPE limits
+ *------------------------------------------------------------------------*/
+
+/**
+ * @def IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MIN
+ * 
+ * @brief Macro to check the minimum length of a rx free buffer
+ */
+#define IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MIN (64)
+
+/**
+ * @def IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MASK
+ * 
+ * @brief Mask to apply to the mbuf length before submitting it to the NPE
+ * (the NPE handles only rx free mbufs which are multiple of 64)
+ * 
+ * @sa IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MASK
+ */
+#define IX_ETHNPE_ACC_RXFREE_BUFFER_LENGTH_MASK (~63)
+
+/**
+ * @def IX_ETHNPE_ACC_RXFREE_BUFFER_ROUND_UP(size)
+ * 
+ * @brief  Round up to get the size necessary to receive without chaining
+ * the frames which are (size) bytes (the NPE operates by multiple of 64)
+ * e.g. To receive 1514 bytes frames, the size of the buffers in replenish
+ * has to be at least (1514+63)&(~63) = 1536 bytes.
+ *
+ */
+#define IX_ETHNPE_ACC_RXFREE_BUFFER_ROUND_UP(size) (((size) + 63) & ~63)
+
+/**
+ * @def IX_ETHNPE_ACC_RXFREE_BUFFER_ROUND_DOWN(size)
+ *
+ * @brief Round down to apply to the mbuf length before submitting
+ * it to the NPE. (the NPE operates by multiple of 64)
+ *
+ */
+#define IX_ETHNPE_ACC_RXFREE_BUFFER_ROUND_DOWN(size) ((size) & ~63)
+
+/**
+ * @def IX_ETHNPE_ACC_FRAME_LENGTH_MAX
+ * 
+ * @brief maximum mbuf length supported by the NPE
+ * 
+ * @sa IX_ETHNPE_ACC_FRAME_LENGTH_MAX
+ */
+#define IX_ETHNPE_ACC_FRAME_LENGTH_MAX (16320)
+
+/**
+ * @def IX_ETHNPE_ACC_FRAME_LENGTH_DEFAULT
+ * 
+ * @brief default mbuf length supported by the NPE
+ * 
+ * @sa IX_ETHNPE_ACC_FRAME_LENGTH_DEFAULT
+ */
+#define IX_ETHNPE_ACC_FRAME_LENGTH_DEFAULT (1522)
+
+/**
+ * @def IX_ETHNPE_ACC_LENGTH_OFFSET
+ *
+ * @brief Offset of the cluster length field in the word shared with the NPEs
+ */
+#define IX_ETHNPE_ACC_LENGTH_OFFSET 16
+
+/**
+ * @def IX_ETHNPE_ACC_PKTLENGTH_MASK
+ *
+ * @brief Mask of the cluster length field in the word shared with the NPEs
+ */
+#define IX_ETHNPE_ACC_PKTLENGTH_MASK 0x3fff
+
+
+/**
+ *@}
+ */
+
+#endif /* __doxygen_HIDE */