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u-boot/drivers/net/npe/include/IxEthNpe.h
Marek Vasut 61e129885a dm: net: Move IXP NPE to drivers/net/ 
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Bryan Hundven <bryanhundven@gmail.com>
Cc: Michael Schwingen <rincewind@discworld.dascon.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: U-Boot DM <u-boot-dm@lists.denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2012-09-24 13:17:24 -05:00

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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 */
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