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u-boot/cpu/ixp/npe/include/IxAtmdAccCtrl.h

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/**
* @file IxAtmdAccCtrl.h
*
* @date 20-Mar-2002
*
* @brief IxAtmdAcc Public API
*
* This file contains the public API of IxAtmdAcc, related to the
* control functions of the component.
*
*
* @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 --
*/
/* ------------------------------------------------------
Doxygen group definitions
------------------------------------------------------ */
/**
*
* @defgroup IxAtmdAccCtrlAPI IXP400 ATM Driver Access (IxAtmdAcc) Control API
*
* @brief The public API for the IXP400 Atm Driver Control component
*
* IxAtmdAcc is the low level interface by which AAL PDU get transmitted
* to,and received from the Utopia bus
*
* This part is related to the Control configuration
*
* @{
*/
#ifndef IXATMDACCCTRL_H
#define IXATMDACCCTRL_H
#include "IxAtmdAcc.h"
/* ------------------------------------------------------
AtmdAccCtrl Data Types definition
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @def IX_ATMDACC_PORT_DISABLE_IN_PROGRESS
*
* @brief Port enable return code
*
* This constant is used to tell IxAtmDAcc user that the port disable
* functions are not complete. The user can call ixAtmdAccPortDisableComplete()
* to find out when the disable has finished. The port enable can then proceed.
*
*/
#define IX_ATMDACC_PORT_DISABLE_IN_PROGRESS 5
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @def IX_ATMDACC_ALLPDUS
*
* @brief All PDUs
*
* This constant is used to tell IxAtmDAcc to process all PDUs from
* the RX queue or the TX Done
*
* @sa IxAtmdAccRxDispatcher
* @sa IxAtmdAccTxDoneDispatcher
*
*/
#define IX_ATMDACC_ALLPDUS 0xffffffff
/* ------------------------------------------------------
Part of the IxAtmdAcc interface related to RX traffic
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief Callback prototype for notification of available PDUs for
* an Rx Q.
*
* This a protoype for a function which is called when there is at
* least one Pdu available for processing on a particular Rx Q.
*
* This function should call @a ixAtmdAccRxDispatch() with
* the aprropriate number of parameters to read and process the Rx Q.
*
* @sa ixAtmdAccRxDispatch
* @sa ixAtmdAccRxVcConnect
* @sa ixAtmdAccRxDispatcherRegister
*
* @param rxQueueId @ref IxAtmRxQueueId [in] indicates which RX queue to has Pdus to process.
* @param numberOfPdusToProcess unsigned int [in] indicates the minimum number of
* PDUs available to process all PDUs from the queue.
* @param reservedPtr unsigned int* [out] pointer to a int location which can
* be written to, but does not retain written values. This is
* provided to make this prototype compatible
* with @a ixAtmdAccRxDispatch()
*
* @return @li int - ignored.
*
*/
typedef IX_STATUS (*IxAtmdAccRxDispatcher) (IxAtmRxQueueId rxQueueId,
unsigned int numberOfPdusToProcess,
unsigned int *reservedPtr);
/* ------------------------------------------------------
Part of the IxAtmdAcc interface related to TX traffic
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief Callback prototype for transmitted mbuf when threshold level is
* crossed.
*
* IxAtmdAccTxDoneDispatcher is the prototype of the user function
* which get called when pdus are completely transmitted. This function
* is likely to call the @a ixAtmdAccTxDoneDispatch() function.
*
* This function is called when the number of available pdus for
* reception is crossing the threshold level as defined
* in @a ixAtmdAccTxDoneDispatcherRegister()
*
* This function is called inside an Qmgr dispatch context. No system
* resource or interrupt-unsafe feature should be used inside this
* callback.
*
* Transmitted buffers recycling implementation is a sytem-wide mechanism
* and needs to be set before any traffic is started. If this threshold
* mechanism is not used, the user is responsible for polling the
* transmitted buffers with @a ixAtmdAccTxDoneDispatch()
* and @a ixAtmdAccTxDoneLevelQuery() functions.
*
* @sa ixAtmdAccTxDoneDispatcherRegister
* @sa ixAtmdAccTxDoneDispatch
* @sa ixAtmdAccTxDoneLevelQuery
*
* @param numberOfPdusToProcess unsigned int [in] - The current number of pdus currently
* available for recycling
* @param *reservedPtr unsigned int [out] - pointer to a int location which can be
* written to but does not retain written values. This is provided
* to make this prototype compatible
* with @a ixAtmdAccTxDoneDispatch()
*
* @return @li IX_SUCCESS This is provided to make
* this prototype compatible with @a ixAtmdAccTxDoneDispatch()
* @return @li IX_FAIL invalid parameters or some unspecified internal
* error occured. This is provided to make
* this prototype compatible with @a ixAtmdAccTxDoneDispatch()
*
*/
typedef IX_STATUS (*IxAtmdAccTxDoneDispatcher) (unsigned int numberOfPdusToProcess,
unsigned int *reservedPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief Notification that the threshold number of scheduled cells
* remains in a port's transmit Q.
*
* The is the prototype for of the user notification function which
* gets called on a per-port basis, when the number of remaining
* scheduled cells to be transmitted decreases to the threshold level.
* The number of cells passed as a parameter can be used for scheduling
* purposes as the maximum number of cells that can be passed in a
* schedule table to the @a ixAtmdAccPortTxProcess() function.
*
* @sa ixAtmdAccPortTxCallbackRegister
* @sa ixAtmdAccPortTxProcess
* @sa ixAtmdAccPortTxFreeEntriesQuery
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
* @param numberOfAvailableCells unsigned int [in] - number of available
* cell entries.for the port
*
* @note - This functions shall not use system resources when used
* inside an interrupt context.
*
*/
typedef void (*IxAtmdAccPortTxLowCallback) (IxAtmLogicalPort port,
unsigned int numberOfAvailableCells);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief Prototype to submit cells for transmission
*
* IxAtmdAccTxVcDemandUpdateCallback is the prototype of the callback
* function used by AtmD to notify an ATM Scheduler that the user of
* a VC has submitted cells for transmission.
*
* @sa IxAtmdAccTxVcDemandUpdateCallback
* @sa IxAtmdAccTxVcDemandClearCallback
* @sa IxAtmdAccTxSchVcIdGetCallback
* @sa ixAtmdAccPortTxScheduledModeEnable
*
* @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the VC to be updated
* is established
* @param vcId int [in] - Identifies the VC to be updated. This is the value
* returned by the @a IxAtmdAccTxSchVcIdGetCallback() call .
* @param numberOfCells unsigned int [in] - Indicates how many ATM cells should be added
* to the queue for this VC.
*
* @return @li IX_SUCCESS the function is registering the cell demand for
* this VC.
* @return @li IX_FAIL the function cannot register cell for this VC : the
* scheduler maybe overloaded or misconfigured
*
*/
typedef IX_STATUS (*IxAtmdAccTxVcDemandUpdateCallback) (IxAtmLogicalPort port,
int vcId,
unsigned int numberOfCells);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief prototype to remove all currently queued cells from a
* registered VC
*
* IxAtmdAccTxVcDemandClearCallback is the prototype of the function
* to remove all currently queued cells from a registered VC. The
* pending cell count for the specified VC is reset to zero. After the
* use of this callback, the scheduler shall not schedule more cells
* for this VC.
*
* This callback function is called during a VC disconnection
* @a ixAtmdAccTxVcTryDisconnect()
*
* @sa IxAtmdAccTxVcDemandUpdateCallback
* @sa IxAtmdAccTxVcDemandClearCallback
* @sa IxAtmdAccTxSchVcIdGetCallback
* @sa ixAtmdAccPortTxScheduledModeEnable
* @sa ixAtmdAccTxVcTryDisconnect
*
* @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the VC to be cleared
* is established
* @param vcId int [in] - Identifies the VC to be cleared. This is the value
* returned by the @a IxAtmdAccTxSchVcIdGetCallback() call .
*
* @return none
*
*/
typedef void (*IxAtmdAccTxVcDemandClearCallback) (IxAtmLogicalPort port,
int vcId);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @brief prototype to get a scheduler vc id
*
* IxAtmdAccTxSchVcIdGetCallback is the prototype of the function to get
* a scheduler vcId
*
* @sa IxAtmdAccTxVcDemandUpdateCallback
* @sa IxAtmdAccTxVcDemandClearCallback
* @sa IxAtmdAccTxSchVcIdGetCallback
* @sa ixAtmdAccPortTxScheduledModeEnable
*
* @param port @ref IxAtmLogicalPort [in] - Specifies the ATM logical port on which the VC is
* established
* @param vpi unsigned int [in] - For AAL0/AAL5 specifies the ATM vpi on which the
* VC is established.
* For OAM specifies the dedicated "OAM Tx channel" VPI.
* @param vci unsigned int [in] - For AAL0/AAL5 specifies the ATM vci on which the
* VC is established.
* For OAM specifies the dedicated "OAM Tx channel" VCI.
* @param connId @ref IxAtmConnId [in] - specifies the IxAtmdAcc connection Id already
* associated with this VC
* @param vcId int* [out] - pointer to a vcId
*
* @return @li IX_SUCCESS the function is returning a Scheduler vcId for this
* VC
* @return @li IX_FAIL the function cannot process scheduling for this VC.
* the contents of vcId is unspecified
*
*/
typedef IX_STATUS (*IxAtmdAccTxSchVcIdGetCallback) (IxAtmLogicalPort port,
unsigned int vpi,
unsigned int vci,
IxAtmConnId connId,
int *vcId);
/* ------------------------------------------------------
Part of the IxAtmdAcc interface related to RX traffic
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccRxDispatcherRegister (
IxAtmRxQueueId queueId,
IxAtmdAccRxDispatcher callback)
*
* @brief Register a notification callback to be invoked when there is
* at least one entry on a particular Rx queue.
*
* This function registers a callback to be invoked when there is at
* least one entry in a particular queue. The registered callback is
* called every time when the hardware adds one or more pdus to the
* specified Rx queue.
*
* This function cannot be used when a Rx Vc using this queue is
* already existing.
*
* @note -The callback function can be the API function
* @a ixAtmdAccRxDispatch() : every time the threhold level
* of the queue is reached, the ixAtmdAccRxDispatch() is
* invoked to remove all entries from the queue.
*
* @sa ixAtmdAccRxDispatch
* @sa IxAtmdAccRxDispatcher
*
* @param queueId @ref IxAtmRxQueueId [in] RX queue identification
* @param callback @ref IxAtmdAccRxDispatcher [in] function triggering the delivery of incoming
* traffic. This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS Successful call to @a ixAtmdAccRxDispatcherRegister()
* @return @li IX_FAIL error in the parameters, or there is an
* already active RX VC for this queue or some unspecified
* internal error occurred.
*
*/
PUBLIC IX_STATUS ixAtmdAccRxDispatcherRegister (
IxAtmRxQueueId queueId,
IxAtmdAccRxDispatcher callback);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccRxDispatch (IxAtmRxQueueId rxQueueId,
unsigned int numberOfPdusToProcess,
unsigned int *numberOfPdusProcessedPtr)
*
*
* @brief Control function which executes Rx processing for a particular
* Rx stream.
*
* The @a IxAtmdAccRxDispatch() function is used to process received Pdus
* available from one of the two incoming RX streams. When this function
* is invoked, the incoming traffic (up to the number of PDUs passed as
* a parameter) will be transferred to the IxAtmdAcc users through the
* callback @a IxAtmdAccRxVcRxCallback(), as registered during the
* @a ixAtmdAccRxVcConnect() call.
*
* The user receive callbacks will be executed in the context of this
* function.
*
* Failing to use this function on a regular basis when there is traffic
* will block incoming traffic and can result in Pdus being dropped by
* the hardware.
*
* This should be used to control when received pdus are handed off from
* the hardware to Aal users from a particluar stream. The function can
* be used from a timer context, or can be registered as a callback in
* response to an rx stream threshold event, or can be used inside an
* active polling mechanism which is under user control.
*
* @note - The signature of this function is directly compatible with the
* callback prototype which can be register with @a ixAtmdAccRxDispatcherRegister().
*
* @sa ixAtmdAccRxDispatcherRegister
* @sa IxAtmdAccRxVcRxCallback
* @sa ixAtmdAccRxVcFreeEntriesQuery
*
* @param rxQueueId @ref IxAtmRxQueueId [in] - indicates which RX queue to process.
* @param numberOfPdusToProcess unsigned int [in] - indicates the maxiumum number of PDU to
* remove from the RX queue. A value of IX_ATMDACC_ALLPDUS indicates
* to process all PDUs from the queue. This includes at least the PDUs
* in the queue when the fuction is invoked. Because of real-time
* constraints, there is no guarantee thatthe queue will be empty
* when the function exits. If this parameter is greater than the
* number of entries of the queues, the function will succeed
* and the parameter numberOfPdusProcessedPtr will reflect the exact
* number of PDUs processed.
* @param *numberOfPdusProcessedPtr unsigned int [out] - indicates the actual number of PDU
* processed during this call. This parameter cannot be a null
* pointer.
*
* @return @li IX_SUCCESS the number of PDUs as indicated in
* numberOfPdusProcessedPtr are removed from the RX queue and the VC callback
* are called.
* @return @li IX_FAIL invalid parameters or some unspecified internal
* error occured.
*
*/
PUBLIC IX_STATUS ixAtmdAccRxDispatch (IxAtmRxQueueId rxQueueId,
unsigned int numberOfPdusToProcess,
unsigned int *numberOfPdusProcessedPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccRxLevelQuery (IxAtmRxQueueId rxQueueId,
unsigned int *numberOfPdusPtr)
*
* @brief Query the number of entries in a particular RX queue.
*
* This function is used to retrieve the number of pdus received by
* the hardware and ready for distribution to users.
*
* @param rxQueueId @ref IxAtmRxQueueId [in] - indicates which of two RX queues to query.
* @param numberOfPdusPtr unsigned int* [out] - Pointer to store the number of available
* PDUs in the RX queue. This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS the value in numberOfPdusPtr specifies the
* number of incoming pdus waiting in this queue
* @return @li IX_FAIL an error occurs during processing.
* The value in numberOfPdusPtr is unspecified.
*
* @note - This function is reentrant, doesn't use system resources
* and can be used from an interrupt context.
*
*/
PUBLIC IX_STATUS ixAtmdAccRxLevelQuery (IxAtmRxQueueId rxQueueId,
unsigned int *numberOfPdusPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccRxQueueSizeQuery (IxAtmRxQueueId rxQueueId,
unsigned int *numberOfPdusPtr)
*
* @brief Query the size of a particular RX queue.
*
* This function is used to retrieve the number of pdus the system is
* able to queue when reception is complete.
*
* @param rxQueueId @ref IxAtmRxQueueId [in] - indicates which of two RX queues to query.
* @param numberOfPdusPtr unsigned int* [out] - Pointer to store the number of pdus
* the system is able to queue in the RX queue. This parameter
* cannot be a null pointer.
*
* @return @li IX_SUCCESS the value in numberOfPdusPtr specifies the
* number of pdus the system is able to queue.
* @return @li IX_FAIL an error occurs during processing.
* The value in numberOfPdusPtr is unspecified.
*
* @note - This function is reentrant, doesn't use system resources
* and can be used from an interrupt context.
*
*/
PUBLIC IX_STATUS ixAtmdAccRxQueueSizeQuery (IxAtmRxQueueId rxQueueId,
unsigned int *numberOfPdusPtr);
/* ------------------------------------------------------
Part of the IxAtmdAcc interface related to TX traffic
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortTxFreeEntriesQuery (IxAtmLogicalPort port,
unsigned int *numberOfCellsPtr)
*
* @brief Get the number of available cells the system can accept for
* transmission.
*
* The function is used to retrieve the number of cells that can be
* queued for transmission to the hardware.
*
* This number is based on the worst schedule table where one cell
* is stored in one schedule table entry, depending on the pdus size
* and mbuf size and fragmentation.
*
* This function doesn't use system resources and can be used from a
* timer context, or can be associated with a threshold event, or can
* be used inside an active polling mechanism
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
* @param numberOfCellsPtr unsigned int* [out] - number of available cells.
* This parameter cannot be a null pointer.
*
* @sa ixAtmdAccPortTxProcess
*
* @return @li IX_SUCCESS numberOfCellsPtr contains the number of cells that can be scheduled
* for this port.
* @return @li IX_FAIL error in the parameters, or some processing error
* occured.
*
*/
PUBLIC IX_STATUS ixAtmdAccPortTxFreeEntriesQuery (IxAtmLogicalPort port,
unsigned int *numberOfCellsPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortTxCallbackRegister (IxAtmLogicalPort port,
unsigned int numberOfCells,
IxAtmdAccPortTxLowCallback callback)
*
* @brief Configure the Tx port threshold value and register a callback to handle
* threshold notifications.
*
* This function sets the threshold in cells
*
* @sa ixAtmdAccPortTxCallbackRegister
* @sa ixAtmdAccPortTxProcess
* @sa ixAtmdAccPortTxFreeEntriesQuery
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
* @param numberOfCells unsigned int [in] - threshold value which triggers the callback
* invocation, This number has to be one of the
* values 0,1,2,4,8,16,32 ....
* The maximum value cannot be more than half of the txVc queue
* size (which can be retrieved using @a ixAtmdAccPortTxFreeEntriesQuery()
* before any Tx traffic is sent for this port)
* @param callback @ref IxAtmdAccPortTxLowCallback [in] - callback function to invoke when the threshold
* level is reached.
* This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS Successful call to @a ixAtmdAccPortTxCallbackRegister()
* @return @li IX_FAIL error in the parameters, Tx channel already set for this port
* threshold level is not correct or within the range regarding the
* queue size:or unspecified error during processing:
*
* @note - This callback function get called when the threshold level drops from
* (numberOfCells+1) cells to (numberOfCells) cells
*
* @note - This function should be called during system initialisation,
* outside an interrupt context
*
*/
PUBLIC IX_STATUS ixAtmdAccPortTxCallbackRegister (IxAtmLogicalPort port,
unsigned int numberOfCells,
IxAtmdAccPortTxLowCallback callback);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortTxScheduledModeEnable (IxAtmLogicalPort port,
IxAtmdAccTxVcDemandUpdateCallback vcDemandUpdateCallback,
IxAtmdAccTxVcDemandClearCallback vcDemandClearCallback,
IxAtmdAccTxSchVcIdGetCallback vcIdGetCallback)
*
* @brief Put the port into Scheduled Mode
*
* This function puts the specified port into scheduled mode of
* transmission which means an external s/w entity controls the
* transmission of cells on this port. This faciltates traffic shaping on
* the port.
*
* Any buffers submitted on a VC for this port will be queued in IxAtmdAcc.
* The transmission of these buffers to and by the hardware will be driven
* by a transmit schedule submitted regulary in calls to
* @a ixAtmdAccPortTxProcess() by traffic shaping entity.
*
* The transmit schedule is expected to be dynamic in nature based on
* the demand in cells for each VC on the port. Hence the callback
* parameters provided to this function allow IxAtmdAcc to inform the
* shaping entity of demand changes for each VC on the port.
*
* By default a port is in Unscheduled Mode so if this function is not
* called, transmission of data is done without sheduling rules, on a
* first-come, first-out basis.
*
* Once a port is put in scheduled mode it cannot be reverted to
* un-scheduled mode. Note that unscheduled mode is not supported
* in ixp425 1.0
*
* @note - This function should be called before any VCs have be
* connected on a port. Otherwise this function call will return failure.
*
* @note - This function uses internal locks and should not be called from
* an interrupt context
*
* @sa IxAtmdAccTxVcDemandUpdateCallback
* @sa IxAtmdAccTxVcDemandClearCallback
* @sa IxAtmdAccTxSchVcIdGetCallback
* @sa ixAtmdAccPortTxProcess
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
* @param vcDemandUpdateCallback @ref IxAtmdAccTxVcDemandUpdateCallback [in] - callback function used to update
* the number of outstanding cells for transmission. This parameter
* cannot be a null pointer.
* @param vcDemandClearCallback @ref IxAtmdAccTxVcDemandClearCallback [in] - callback function used to remove all
* clear the number of outstanding cells for a VC. This parameter
* cannot be a null pointer.
* @param vcIdGetCallback @ref IxAtmdAccTxSchVcIdGetCallback [in] - callback function used to exchange vc
* Identifiers between IxAtmdAcc and the entity supplying the
* transmit schedule. This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS scheduler registration is complete and the port
* is now in scheduled mode.
* @return @li IX_FAIL failed (wrong parameters, or traffic is already
* enabled on this port, possibly without ATM shaping)
*
*/
PUBLIC IX_STATUS ixAtmdAccPortTxScheduledModeEnable (IxAtmLogicalPort port,
IxAtmdAccTxVcDemandUpdateCallback vcDemandUpdateCallback,
IxAtmdAccTxVcDemandClearCallback vcDemandClearCallback,
IxAtmdAccTxSchVcIdGetCallback vcIdGetCallback);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortTxProcess (IxAtmLogicalPort port,
IxAtmScheduleTable* scheduleTablePtr)
*
* @brief Transmit queue cells to the H/W based on the supplied schedule
* table.
*
* This function @a ixAtmdAccPortTxProcess() process the schedule
* table provided as a parameter to the function. As a result cells are
* sent to the underlaying hardware for transmission.
*
* The schedule table is executed in its entirety or not at all. So the
* onus is on the caller not to submit a table containing more cells than
* can be transmitted at that point. The maximum numbers that can be
* transmitted is guaranteed to be the number of cells as returned by the
* function @a ixAtmdAccPortTxFreeEntriesQuery().
*
* When the scheduler is invoked on a threshold level, IxAtmdAcc gives the
* minimum number of cells (to ensure the callback will fire again later)
* and the maximum number of cells that @a ixAtmdAccPortTxProcess()
* will be able to process (assuming the ATM scheduler is able
* to produce the worst-case schedule table, i.e. one entry per cell).
*
* When invoked ouside a threshold level, the overall number of cells of
* the schedule table should be less than the number of cells returned
* by the @a ixAtmdAccPortTxFreeEntriesQuery() function.
*
* After invoking the @a ixAtmdAccPortTxProcess() function, it is the
* user choice to query again the queue level with the function
* @a ixAtmdAccPortTxFreeEntriesQuery() and, depending on a new cell
* number, submit an other schedule table.
*
* IxAtmdAcc will check that the number of cells in the schedule table
* is compatible with the current transmit level. If the
*
* Obsolete or invalid connection Id will be silently discarded.
*
* This function is not reentrant for the same port.
*
* This functions doesn't use system resources and can be used inside an
* interrupt context.
*
* This function is used as a response to the hardware requesting more
* cells to transmit.
*
* @sa ixAtmdAccPortTxScheduledModeEnable
* @sa ixAtmdAccPortTxFreeEntriesQuery
* @sa ixAtmdAccPortTxCallbackRegister
* @sa ixAtmdAccPortEnable
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
* @param scheduleTablePtr @ref IxAtmScheduleTable* [in] - pointer to a scheduler update table. The
* content of this table is not modified by this function. This
* parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS the schedule table process is complete
* and cells are transmitted to the hardware
* @return @li IX_ATMDACC_WARNING : Traffic will be dropped: the schedule table exceed
* the hardware capacity If this error is ignored, further traffic
* and schedule will work correctly.
* Overscheduling does not occur when the schedule table does
* not contain more entries that the number of free entries returned
* by @a ixAtmdAccPortTxFreeEntriesQuery().
* However, Disconnect attempts just after this error will fail permanently
* with the error code @a IX_ATMDACC_RESOURCES_STILL_ALLOCATED, and it is
* necessary to disable the port to make @a ixAtmdAccTxVcTryDisconnect()
* successful.
* @return @li IX_FAIL a wrong parameter is supplied, or the format of
* the schedule table is invalid, or the port is not Enabled, or
* an internal severe error occured. No cells is transmitted to the hardware
*
* @note - If the failure is linked to an overschedule of data cells
* the result is an inconsistency in the output traffic (one or many
* cells may be missing and the traffic contract is not respected).
*
*/
PUBLIC IX_STATUS ixAtmdAccPortTxProcess (IxAtmLogicalPort port,
IxAtmScheduleTable* scheduleTablePtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccTxDoneDispatch (unsigned int numberOfPdusToProcess,
unsigned int *numberOfPdusProcessedPtr)
*
* @brief Process a number of pending transmit done pdus from the hardware.
*
* As a by-product of Atm transmit operation buffers which transmission
* is complete need to be recycled to users. This function is invoked
* to service the oustanding list of transmitted buffers and pass them
* to VC users.
*
* Users are handed back pdus by invoking the free callback registered
* during the @a ixAtmdAccTxVcConnect() call.
*
* There is a single Tx done stream servicing all active Atm Tx ports
* which can contain a maximum of 64 entries. If this stream fills port
* transmission will stop so this function must be call sufficently
* frequently to ensure no disruption to the transmit operation.
*
* This function can be used from a timer context, or can be associated
* with a TxDone level threshold event (see @a ixAtmdAccTxDoneDispatcherRegister() ),
* or can be used inside an active polling mechanism under user control.
*
* For ease of use the signature of this function is compatible with the
* TxDone threshold event callback prototype.
*
* This functions can be used inside an interrupt context.
*
* @sa ixAtmdAccTxDoneDispatcherRegister
* @sa IxAtmdAccTxVcBufferReturnCallback
* @sa ixAtmdAccTxDoneLevelQuery
*
* @param numberOfPdusToProcess unsigned int [in] - maxiumum number of pdus to remove
* from the TX Done queue
* @param *numberOfPdusProcessedPtr unsigned int [out] - number of pdus removed from
* the TX Done queue. This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS the number of pdus as indicated in
* numberOfPdusToProcess are removed from the TX Done hardware
* and passed to the user through the Tx Done callback registered
* during a call to @a ixAtmdAccTxVcConnect()
* @return @li IX_FAIL invalid parameters or numberOfPdusProcessedPtr is
* a null pointer or some unspecified internal error occured.
*
*/
PUBLIC IX_STATUS
ixAtmdAccTxDoneDispatch (unsigned int numberOfPdusToProcess,
unsigned int *numberOfPdusProcessedPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccTxDoneLevelQuery (unsigned int *numberOfPdusPtr)
*
* @brief Query the current number of transmit pdus ready for
* recycling.
*
* This function is used to get the number of transmitted pdus which
* the hardware is ready to hand back to user.
*
* This function can be used from a timer context, or can be associated
* with a threshold event, on can be used inside an active polling
* mechanism
*
* @sa ixAtmdAccTxDoneDispatch
*
* @param *numberOfPdusPtr unsigned int [out] - Pointer to the number of pdus transmitted
* at the time of this function call, and ready for recycling
* This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS numberOfPdusPtr contains the number of pdus
* ready for recycling at the time of this function call
*
* @return @li IX_FAIL wrong parameter (null pointer as parameter).or
* unspecified rocessing error occurs..The value in numberOfPdusPtr
* is unspecified.
*
*/
PUBLIC IX_STATUS
ixAtmdAccTxDoneLevelQuery (unsigned int *numberOfPdusPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccTxDoneQueueSizeQuery (unsigned int *numberOfPdusPtr)
*
* @brief Query the TxDone queue size.
*
* This function is used to get the number of pdus which
* the hardware is able to store after transmission is complete
*
* The returned value can be used to set a threshold and enable
* a callback to be notified when the number of pdus is going over
* the threshold.
*
* @sa ixAtmdAccTxDoneDispatcherRegister
*
* @param *numberOfPdusPtr unsigned int [out] - Pointer to the number of pdus the system
* is able to queue after transmission
*
* @return @li IX_SUCCESS numberOfPdusPtr contains the the number of
* pdus the system is able to queue after transmission
* @return @li IX_FAIL wrong parameter (null pointer as parameter).or
* unspecified rocessing error occurs..The value in numberOfPdusPtr
* is unspecified.
*
* @note - This function is reentrant, doesn't use system resources
* and can be used from an interrupt context.
*/
PUBLIC IX_STATUS
ixAtmdAccTxDoneQueueSizeQuery (unsigned int *numberOfPdusPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccTxDoneDispatcherRegister (unsigned int numberOfPdus,
IxAtmdAccTxDoneDispatcher notificationCallback)
*
* @brief Configure the Tx Done stream threshold value and register a
* callback to handle threshold notifications.
*
* This function sets the threshold level in term of number of pdus at
* which the supplied notification function should be called.
*
* The higher the threshold value is, the less events will be necessary
* to process transmitted buffers.
*
* Transmitted buffers recycling implementation is a sytem-wide mechanism
* and needs to be set prior any traffic is started. If this threshold
* mechanism is not used, the user is responsible for polling the
* transmitted buffers thanks to @a ixAtmdAccTxDoneDispatch() and
* @a ixAtmdAccTxDoneLevelQuery() functions.
*
* This function should be called during system initialisation outside
* an interrupt context
*
* @sa ixAtmdAccTxDoneDispatcherRegister
* @sa ixAtmdAccTxDoneDispatch
* @sa ixAtmdAccTxDoneLevelQuery
*
* @param numberOfPdus unsigned int [in] - The number of TxDone pdus which triggers the
* callback invocation This number has to be a power of 2, one of the
* values 0,1,2,4,8,16,32 ...
* The maximum value cannot be more than half of the txDone queue
* size (which can be retrieved using @a ixAtmdAccTxDoneQueueSizeQuery())
* @param notificationCallback @ref IxAtmdAccTxDoneDispatcher [in] - The function to invoke. (This
* parameter can be @a ixAtmdAccTxDoneDispatch()).This
* parameter ust not be a null pointer.
*
* @return @li IX_SUCCESS Successful call to ixAtmdAccTxDoneDispatcherRegister
* @return @li IX_FAIL error in the parameters:
*
* @note - The notificationCallback will be called exactly when the threshold level
* will increase from (numberOfPdus) to (numberOfPdus+1)
*
* @note - If there is no Tx traffic, there is no guarantee that TxDone Pdus will
* be released to the user (when txDone level is permanently under the threshold
* level. One of the preffered way to return resources to the user is to use
* a mix of txDone notifications, used together with a slow
* rate timer and an exclusion mechanism protecting from re-entrancy
*
* @note - The TxDone threshold will only hand back buffers when the threshold level is
* crossed. Setting this threshold to a great number reduce the interrupt rate
* and the cpu load, but also increase the number of outstanding mbufs and has
* a system wide impact when these mbufs are needed by other components.
*
*/
PUBLIC IX_STATUS ixAtmdAccTxDoneDispatcherRegister (unsigned int numberOfPdus,
IxAtmdAccTxDoneDispatcher notificationCallback);
/* ------------------------------------------------------
Part of the IxAtmdAcc interface related to Utopia config
------------------------------------------------------ */
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @defgroup IxAtmdAccUtopiaCtrlAPI IXP400 ATM Driver Access (IxAtmdAcc) Utopia Control API
*
* @brief The public API for the IXP400 Atm Driver Control component
*
* IxAtmdAcc is the low level interface by which AAL PDU get
* transmitted to,and received from the Utopia bus
*
* This part is related to the UTOPIA configuration.
*
* @{
*/
/**
*
* @brief Utopia configuration
*
* This structure is used to set the Utopia parameters
* @li contains the values of Utopia registers, to be set during initialisation
* @li contains debug commands for NPE, to be used during development steps
*
* @note - the exact description of all parameters is done in the Utopia reference
* documents.
*
*/
typedef struct
{
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxConfig_
* @brief Utopia Tx Config Register
*/
struct UtTxConfig_
{
unsigned int reserved_1:1; /**< [31] These bits are always 0.*/
unsigned int txInterface:1; /**< [30] Utopia Transmit Interface. The following encoding
* is used to set the Utopia Transmit interface as ATM master
* or PHY slave:
* @li 1 - PHY
* @li 0 - ATM
*/
unsigned int txMode:1; /**< [29] Utopia Transmit Mode. The following encoding is used
* to set the Utopia Transmit mode to SPHY or MPHY:
* @li 1 - SPHY
* @li 0 - MPHY
*/
unsigned int txOctet:1; /**< [28] Utopia Transmit cell transfer protocol. Used to set
* the Utopia cell transfer protocol to Octet-level handshaking.
* Note this is only applicable in SPHY mode.
* @li 1 - Octet-handshaking enabled
* @li 0 - Cell-handshaking enabled
*/
unsigned int txParity:1; /**< [27] Utopia Transmit parity enabled when set. TxEvenParity
* defines the parity format odd/even.
* @li 1 - Enable Parity generation.
* @li 0 - ut_op_prty held low.
*/
unsigned int txEvenParity:1; /**< [26] Utopia Transmit Parity Mode
* @li 1 - Even Parity Generated.
* @li 0 - Odd Parity Generated.
*/
unsigned int txHEC:1; /**< [25] Header Error Check Insertion Mode. Specifies if the transmit
* cell header check byte is calculated and inserted when set.
* @li 1 - Generate HEC.
* @li 0 - Disable HEC generation.
*/
unsigned int txCOSET:1; /**< [24] If enabled the HEC is Exclusive-OR<EFBFBD>ed with the value 0x55 before
* being presented on the Utopia bus.
* @li 1 - Enable HEC ExOR with value 0x55
* @li 0 - Use generated HEC value.
*/
unsigned int reserved_2:1; /**< [23] These bits are always 0
*/
unsigned int txCellSize:7; /**< [22:16] Transmit expected cell size. Configures the cell size
* for the transmit module: Values between 52-64 are valid.
*/
unsigned int reserved_3:3; /**< [15:13] These bits are always 0 */
unsigned int txAddrRange:5; /**< [12:8] When configured as an ATM master in MPHY mode this
* register specifies the upper limit of the PHY polling logical
* range. The number of active PHYs are TxAddrRange + 1.
*/
unsigned int reserved_4:3; /**< [7:5] These bits are always 0 */
unsigned int txPHYAddr:5; /**< [4:0] When configured as a slave in an MPHY system this register
* specifies the physical address of the PHY.
*/
}
utTxConfig; /**< Tx config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxStatsConfig_
* @brief Utopia Tx stats Register
*/
struct UtTxStatsConfig_
{
unsigned int vpi:12; /**< [31:20] ATM VPI [11:0] OR GFC [3:0] and VPI [7:0]
@li Note: if VCStatsTxGFC is set to 0 the GFC field is ignored in test. */
unsigned int vci:16; /**< [19:4] ATM VCI [15:0] or PHY Address[4] */
unsigned int pti:3; /**< [3:1] ATM PTI [2:0] or PHY Address[3:1]
@li Note: if VCStatsTxPTI is set to 0 the PTI field is ignored in test.
@li Note: if VCStatsTxEnb is set to 0 only the transmit PHY port
address as defined by this register is used for ATM statistics [4:0]. */
unsigned int clp:1; /**< [0] ATM CLP or PHY Address [0]
@li Note: if VCStatsTxCLP is set to 0 the CLP field is ignored in test.
@li Note: if VCStatsTxEnb is set to 0 only the transmit PHY port
address as defined by this register is used for ATM statistics [4:0]. */
}
utTxStatsConfig; /**< Tx stats config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxDefineIdle_
* @brief Utopia Tx idle cells Register
*/
struct UtTxDefineIdle_
{
unsigned int vpi:12; /**< [31:20] ATM VPI [11:0] OR GFC [3:0] and VPI [7:0]
@li Note: if VCIdleTxGFC is set to 0 the GFC field is ignored in test. */
unsigned int vci:16; /**< [19:4] ATM VCI [15:0] */
unsigned int pti:3; /**< [3:1] ATM PTI PTI [2:0]
@li Note: if VCIdleTxPTI is set to 0 the PTI field is ignored in test.*/
unsigned int clp:1; /**< [0] ATM CLP [0]
@li Note: if VCIdleTxCLP is set to 0 the CLP field is ignored in test.*/
}
utTxDefineIdle; /**< Tx idle cell config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxEnableFields_
* @brief Utopia Tx ienable fields Register
*/
struct UtTxEnableFields_
{
unsigned int defineTxIdleGFC:1; /**< [31] This register is used to include or exclude the GFC
field of the ATM header when testing for Idle cells.
@li 1 - GFC field is valid.
@li 0 - GFC field ignored.*/
unsigned int defineTxIdlePTI:1; /**< [30] This register is used to include or exclude the PTI
field of the ATM header when testing for Idle cells.
@li 1 - PTI field is valid
@li 0 - PTI field ignored.*/
unsigned int defineTxIdleCLP:1; /**< [29] This register is used to include or
exclude the CLP field of the ATM header when testing for Idle cells.
@li 1 - CLP field is valid.
@li 0 - CLP field ignored. */
unsigned int phyStatsTxEnb:1; /**< [28] This register is used to enable or disable ATM
statistics gathering based on the specified PHY address as defined
in TxStatsConfig register.
@li 1 - Enable statistics for specified transmit PHY address.
@li 0 - Disable statistics for specified transmit PHY address. */
unsigned int vcStatsTxEnb:1; /**< [27] This register is used to change the ATM
statistics-gathering mode from the specified logical PHY address
to a specific VPI/VCI address.
@li 1 - Enable statistics for specified VPI/VCI address.
@li 0 - Disable statistics for specified VPI/VCI address */
unsigned int vcStatsTxGFC:1; /**< [26] This register is used to include or exclude the GFC
field of the ATM header when ATM VPI/VCI statistics are enabled.
GFC is only available at the UNI and uses the first 4-bits of
the VPI field.
@li 1 - GFC field is valid
@li 0 - GFC field ignored.*/
unsigned int vcStatsTxPTI:1; /**< [25] This register is used to include or exclude the PTI
field of the ATM header when ATM VPI/VCI statistics are enabled.
@li 1 - PTI field is valid
@li 0 - PTI field ignored.*/
unsigned int vcStatsTxCLP:1; /**< [24] This register is used to include or exclude the CLP
field of the ATM header when ATM VPI/VCI statistics are enabled.
@li 1 - CLP field is valid
@li 0 - CLP field ignored. */
unsigned int reserved_1:3; /**< [23-21] These bits are always 0 */
unsigned int txPollStsInt:1; /**< [20] Enable the assertion of the ucp_tx_poll_sts condition
where there is a change in polling status.
@li 1 - ucp_tx_poll_sts asserted whenever there is a change in status
@li 0 - ucp_tx_poll_sts asserted if ANY transmit PHY is available
*/
unsigned int txCellOvrInt:1; /**< [19] Enable TxCellCount overflow CBI Transmit Status condition
assertion.
@li 1 - If TxCellCountOvr is set assert the Transmit Status Condition.
@li 0 - No CBI Transmit Status condition assertion */
unsigned int txIdleCellOvrInt:1; /**< [18] Enable TxIdleCellCount overflow Transmit Status Condition
@li 1 - If TxIdleCellCountOvr is set assert the Transmit Status Condition
@li 0 - No CBI Transmit Status condition assertion..*/
unsigned int enbIdleCellCnt:1; /**< [17] Enable Transmit Idle Cell Count.
@li 1 - Enable count of Idle cells transmitted.
@li 0 - No count is maintained. */
unsigned int enbTxCellCnt:1; /**< [16] Enable Transmit Valid Cell Count of non-idle/non-error cells
@li 1 - Enable count of valid cells transmitted- non-idle/non-error
@li 0 - No count is maintained.*/
unsigned int reserved_2:16; /**< [15:0] These bits are always 0 */
} utTxEnableFields; /**< Tx enable Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable0_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable0_
{
unsigned int phy0:5; /**< [31-27] Tx Mapping value of logical phy 0 */
unsigned int phy1:5; /**< [26-22] Tx Mapping value of logical phy 1 */
unsigned int phy2:5; /**< [21-17] Tx Mapping value of logical phy 2 */
unsigned int reserved_1:1; /**< [16] These bits are always 0.*/
unsigned int phy3:5; /**< [15-11] Tx Mapping value of logical phy 3 */
unsigned int phy4:5; /**< [10-6] Tx Mapping value of logical phy 4 */
unsigned int phy5:5; /**< [5-1] Tx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utTxTransTable0; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable1_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable1_
{
unsigned int phy6:5; /**< [31-27] Tx Mapping value of logical phy 6 */
unsigned int phy7:5; /**< [26-22] Tx Mapping value of logical phy 7 */
unsigned int phy8:5; /**< [21-17] Tx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy9:5; /**< [15-11] Tx Mapping value of logical phy 3 */
unsigned int phy10:5; /**< [10-6] Tx Mapping value of logical phy 4 */
unsigned int phy11:5; /**< [5-1] Tx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utTxTransTable1; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable2_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable2_
{
unsigned int phy12:5; /**< [31-27] Tx Mapping value of logical phy 6 */
unsigned int phy13:5; /**< [26-22] Tx Mapping value of logical phy 7 */
unsigned int phy14:5; /**< [21-17] Tx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy15:5; /**< [15-11] Tx Mapping value of logical phy 3 */
unsigned int phy16:5; /**< [10-6] Tx Mapping value of logical phy 4 */
unsigned int phy17:5; /**< [5-1] Tx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utTxTransTable2; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable3_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable3_
{
unsigned int phy18:5; /**< [31-27] Tx Mapping value of logical phy 6 */
unsigned int phy19:5; /**< [26-22] Tx Mapping value of logical phy 7 */
unsigned int phy20:5; /**< [21-17] Tx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy21:5; /**< [15-11] Tx Mapping value of logical phy 3 */
unsigned int phy22:5; /**< [10-6] Tx Mapping value of logical phy 4 */
unsigned int phy23:5; /**< [5-1] Tx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utTxTransTable3; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable4_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable4_
{
unsigned int phy24:5; /**< [31-27] Tx Mapping value of logical phy 6 */
unsigned int phy25:5; /**< [26-22] Tx Mapping value of logical phy 7 */
unsigned int phy26:5; /**< [21-17] Tx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy27:5; /**< [15-11] Tx Mapping value of logical phy 3 */
unsigned int phy28:5; /**< [10-6] Tx Mapping value of logical phy 4 */
unsigned int phy29:5; /**< [5-1] Tx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utTxTransTable4; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxTransTable5_
* @brief Utopia Tx translation table Register
*/
struct UtTxTransTable5_
{
unsigned int phy30:5; /**< [31-27] Tx Mapping value of logical phy 6 */
unsigned int reserved_1:27; /**< [26-0] These bits are always 0 */
} utTxTransTable5; /**< Tx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxConfig_
* @brief Utopia Rx config Register
*/
struct UtRxConfig_
{
unsigned int rxInterface:1; /**< [31] Utopia Receive Interface. The following encoding is used
to set the Utopia Receive interface as ATM master or PHY slave:
@li 1 - PHY
@li 0 - ATM */
unsigned int rxMode:1; /**< [30] Utopia Receive Mode. The following encoding is used to set
the Utopia Receive mode to SPHY or MPHY:
@li 1 - SPHY
@li 0 - MPHY */
unsigned int rxOctet:1; /**< [29] Utopia Receive cell transfer protocol. Used to set the Utopia
cell transfer protocol to Octet-level handshaking. Note this is only
applicable in SPHY mode.
@li 1 - Octet-handshaking enabled
@li 0 - Cell-handshaking enabled */
unsigned int rxParity:1; /**< [28] Utopia Receive Parity Checking enable.
@li 1 - Parity checking enabled
@li 0 - Parity checking disabled */
unsigned int rxEvenParity:1;/**< [27] Utopia Receive Parity Mode
@li 1 - Check for Even Parity
@li 0 - Check for Odd Parity.*/
unsigned int rxHEC:1; /**< [26] RxHEC Header Error Check Mode. Enables/disables cell header
error checking on the received cell header.
@li 1 - HEC checking enabled
@li 0 - HEC checking disabled */
unsigned int rxCOSET:1; /**< [25] If enabled the HEC is Exclusive-OR<EFBFBD>ed with the value 0x55
before being tested with the received HEC.
@li 1 - Enable HEC ExOR with value 0x55.
@li 0 - Use generated HEC value.*/
unsigned int rxHECpass:1; /**< [24] Specifies if the incoming cell HEC byte should be transferred
after optional processing to the NPE2 Coprocessor Bus Interface or
if it should be discarded.
@li 1 - HEC maintained 53-byte/UDC cell sent to NPE2.
@li 0 - HEC discarded 52-byte/UDC cell sent to NPE2 coprocessor.*/
unsigned int reserved_1:1; /**< [23] These bits are always 0 */
unsigned int rxCellSize:7; /**< [22:16] Receive cell size. Configures the receive cell size.
Values between 52-64 are valid */
unsigned int rxHashEnbGFC:1; /**< [15] Specifies if the VPI field [11:8]/GFC field should be
included in the Hash data input or if the bits should be padded
with 1<EFBFBD>b0.
@li 1 - VPI [11:8]/GFC field valid and used in Hash residue calculation.
@li 0 - VPI [11:8]/GFC field padded with 1<EFBFBD>b0 */
unsigned int rxPreHash:1; /**< [14] Enable Pre-hash value generation. Specifies if the
incoming cell data should be pre-hashed to allow VPI/VCI header look-up
in a hash table.
@li 1 - Pre-hashing enabled
@li 0 - Pre-hashing disabled */
unsigned int reserved_2:1; /**< [13] These bits are always 0 */
unsigned int rxAddrRange:5; /**< [12:8] In ATM master, MPHY mode,
* this register specifies the upper
* limit of the PHY polling logical range. The number of active PHYs are
* RxAddrRange + 1.
*/
unsigned int reserved_3:3; /**< [7-5] These bits are always 0 .*/
unsigned int rxPHYAddr:5; /**< [4:0] When configured as a slave in an MPHY system this register
* specifies the physical address of the PHY.
*/
} utRxConfig; /**< Rx config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxStatsConfig_
* @brief Utopia Rx stats config Register
*/
struct UtRxStatsConfig_
{
unsigned int vpi:12; /**< [31:20] ATM VPI VPI [11:0] OR GFC [3:0] and VPI [7:0]
@li Note: if VCStatsRxGFC is set to 0 the GFC field is ignored in test. */
unsigned int vci:16; /**< [19:4] VCI [15:0] or PHY Address [4] */
unsigned int pti:3; /**< [3:1] PTI [2:0] or or PHY Address [3:1]
@li Note: if VCStatsRxPTI is set to 0 the PTI field is ignored in test.
@li Note: if VCStatsRxEnb is set to 0 only the PHY port address is used
for statistics gathering.. */
unsigned int clp:1; /**< [0] CLP [0] or PHY Address [0]
@li Note: if VCStatsRxCLP is set to 0 the CLP field is ignored in test.
@li Note: if VCStatsRxEnb is set to 0 only the PHY port address is used
for statistics gathering.. */
} utRxStatsConfig; /**< Rx stats config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxDefineIdle_
* @brief Utopia Rx idle cells config Register
*/
struct UtRxDefineIdle_
{
unsigned int vpi:12; /**< [31:20] ATM VPI [11:0] OR GFC [3:0] and VPI [7:0]
@li Note: if VCIdleRxGFC is set to 0 the GFC field is ignored in test. */
unsigned int vci:16; /**< [19:4] ATM VCI [15:0] */
unsigned int pti:3; /**< [3:1] ATM PTI PTI [2:0]
@li Note: if VCIdleRxPTI is set to 0 the PTI field is ignored in test.*/
unsigned int clp:1; /**< [0] ATM CLP [0]
@li Note: if VCIdleRxCLP is set to 0 the CLP field is ignored in test.*/
} utRxDefineIdle; /**< Rx idle cell config Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxEnableFields_
* @brief Utopia Rx enable Register
*/
struct UtRxEnableFields_
{
unsigned int defineRxIdleGFC:1;/**< [31] This register is used to include or exclude the GFC
field of the ATM header when testing for Idle cells.
@li 1 - GFC field is valid.
@li 0 - GFC field ignored.*/
unsigned int defineRxIdlePTI:1;/**< [30] This register is used to include or exclude the PTI
field of the ATM header when testing for Idle cells.
@li 1 - PTI field is valid.
@li 0 - PTI field ignored.*/
unsigned int defineRxIdleCLP:1;/**< [29] This register is used to include or exclude the CLP
field of the ATM header when testing for Idle cells.
@li 1 - CLP field is valid.
@li 0 - CLP field ignored.*/
unsigned int phyStatsRxEnb:1;/**< [28] This register is used to enable or disable ATM statistics
gathering based on the specified PHY address as defined in RxStatsConfig
register.
@li 1 - Enable statistics for specified receive PHY address.
@li 0 - Disable statistics for specified receive PHY address.*/
unsigned int vcStatsRxEnb:1;/**< [27] This register is used to enable or disable ATM statistics
gathering based on a specific VPI/VCI address.
@li 1 - Enable statistics for specified VPI/VCI address.
@li 0 - Disable statistics for specified VPI/VCI address.*/
unsigned int vcStatsRxGFC:1;/**< [26] This register is used to include or exclude the GFC field
of the ATM header when ATM VPI/VCI statistics are enabled. GFC is only
available at the UNI and uses the first 4-bits of the VPI field.
@li 1 - GFC field is valid.
@li 0 - GFC field ignored. */
unsigned int vcStatsRxPTI:1;/**< [25] This register is used to include or exclude the PTI field
of the ATM header when ATM VPI/VCI statistics are enabled.
@li 1 - PTI field is valid.
@li 0 - PTI field ignored.*/
unsigned int vcStatsRxCLP:1;/**< [24] This register is used to include or exclude the CLP field
of the ATM header when ATM VPI/VCI statistics are enabled.
@li 1 - CLP field is valid.
@li 0 - CLP field ignored. */
unsigned int discardHecErr:1;/**< [23] Discard cells with an invalid HEC.
@li 1 - Discard cells with HEC errors
@li 0 - Cells with HEC errors are passed */
unsigned int discardParErr:1;/**< [22] Discard cells containing parity errors.
@li 1 - Discard cells with parity errors
@li 0 - Cells with parity errors are passed */
unsigned int discardIdle:1; /**< [21] Discard Idle Cells based on DefineIdle register values
@li 1 - Discard IDLE cells
@li 0 - IDLE cells passed */
unsigned int enbHecErrCnt:1;/**< [20] Enable Receive HEC Error Count.
@li 1 - Enable count of received cells containing HEC errors
@li 0 - No count is maintained. */
unsigned int enbParErrCnt:1;/**< [19] Enable Parity Error Count
@li 1 - Enable count of received cells containing Parity errors
@li 0 - No count is maintained. */
unsigned int enbIdleCellCnt:1;/**< [18] Enable Receive Idle Cell Count.
@li 1 - Enable count of Idle cells received.
@li 0 - No count is maintained.*/
unsigned int enbSizeErrCnt:1;/**< [17] Enable Receive Size Error Count.
@li 1 - Enable count of received cells of incorrect size
@li 0 - No count is maintained. */
unsigned int enbRxCellCnt:1;/**< [16] Enable Receive Valid Cell Count of non-idle/non-error cells.
@li 1 - Enable count of valid cells received - non-idle/non-error
@li 0 - No count is maintained. */
unsigned int reserved_1:3; /**< [15:13] These bits are always 0 */
unsigned int rxCellOvrInt:1; /**< [12] Enable CBI Utopia Receive Status Condition if the RxCellCount
register overflows.
@li 1 - CBI Receive Status asserted.
@li 0 - No CBI Receive Status asserted.*/
unsigned int invalidHecOvrInt:1; /**< [11] Enable CBI Receive Status Condition if the InvalidHecCount
register overflows.
@li 1 - CBI Receive Condition asserted.
@li 0 - No CBI Receive Condition asserted */
unsigned int invalidParOvrInt:1; /**< [10] Enable CBI Receive Status Condition if the InvalidParCount
register overflows
@li 1 - CBI Receive Condition asserted.
@li 0 - No CBI Receive Condition asserted */
unsigned int invalidSizeOvrInt:1; /**< [9] Enable CBI Receive Status Condition if the InvalidSizeCount
register overflows.
@li 1 - CBI Receive Status Condition asserted.
@li<EFBFBD>0 - No CBI Receive Status asserted */
unsigned int rxIdleOvrInt:1; /**< [8] Enable CBI Receive Status Condition if the RxIdleCount overflows.
@li 1 - CBI Receive Condition asserted.
@li 0 - No CBI Receive Condition asserted */
unsigned int reserved_2:3; /**< [7:5] These bits are always 0 */
unsigned int rxAddrMask:5; /**< [4:0] This register is used as a mask to allow the user to increase
the PHY receive address range. The register should be programmed with
the address-range limit, i.e. if set to 0x3 the address range increases
to a maximum of 4 addresses. */
} utRxEnableFields; /**< Rx enable Utopia register */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable0_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable0_
{
unsigned int phy0:5; /**< [31-27] Rx Mapping value of logical phy 0 */
unsigned int phy1:5; /**< [26-22] Rx Mapping value of logical phy 1 */
unsigned int phy2:5; /**< [21-17] Rx Mapping value of logical phy 2 */
unsigned int reserved_1:1; /**< [16] These bits are always 0 */
unsigned int phy3:5; /**< [15-11] Rx Mapping value of logical phy 3 */
unsigned int phy4:5; /**< [10-6] Rx Mapping value of logical phy 4 */
unsigned int phy5:5; /**< [5-1] Rx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
}
utRxTransTable0; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable1_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable1_
{
unsigned int phy6:5; /**< [31-27] Rx Mapping value of logical phy 6 */
unsigned int phy7:5; /**< [26-22] Rx Mapping value of logical phy 7 */
unsigned int phy8:5; /**< [21-17] Rx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy9:5; /**< [15-11] Rx Mapping value of logical phy 3 */
unsigned int phy10:5; /**< [10-6] Rx Mapping value of logical phy 4 */
unsigned int phy11:5; /**< [5-1] Rx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
}
utRxTransTable1; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable2_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable2_
{
unsigned int phy12:5; /**< [31-27] Rx Mapping value of logical phy 6 */
unsigned int phy13:5; /**< [26-22] Rx Mapping value of logical phy 7 */
unsigned int phy14:5; /**< [21-17] Rx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy15:5; /**< [15-11] Rx Mapping value of logical phy 3 */
unsigned int phy16:5; /**< [10-6] Rx Mapping value of logical phy 4 */
unsigned int phy17:5; /**< [5-1] Rx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utRxTransTable2; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable3_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable3_
{
unsigned int phy18:5; /**< [31-27] Rx Mapping value of logical phy 6 */
unsigned int phy19:5; /**< [26-22] Rx Mapping value of logical phy 7 */
unsigned int phy20:5; /**< [21-17] Rx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy21:5; /**< [15-11] Rx Mapping value of logical phy 3 */
unsigned int phy22:5; /**< [10-6] Rx Mapping value of logical phy 4 */
unsigned int phy23:5; /**< [5-1] Rx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utRxTransTable3; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable4_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable4_
{
unsigned int phy24:5; /**< [31-27] Rx Mapping value of logical phy 6 */
unsigned int phy25:5; /**< [26-22] Rx Mapping value of logical phy 7 */
unsigned int phy26:5; /**< [21-17] Rx Mapping value of logical phy 8 */
unsigned int reserved_1:1; /**< [16-0] These bits are always 0 */
unsigned int phy27:5; /**< [15-11] Rx Mapping value of logical phy 3 */
unsigned int phy28:5; /**< [10-6] Rx Mapping value of logical phy 4 */
unsigned int phy29:5; /**< [5-1] Rx Mapping value of logical phy 5 */
unsigned int reserved_2:1; /**< [0] These bits are always 0 */
} utRxTransTable4; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxTransTable5_
* @brief Utopia Rx translation table Register
*/
struct UtRxTransTable5_
{
unsigned int phy30:5; /**< [31-27] Rx Mapping value of logical phy 6 */
unsigned int reserved_1:27; /**< [26-0] These bits are always 0 */
} utRxTransTable5; /**< Rx translation table */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtSysConfig_
* @brief NPE setup Register
*/
struct UtSysConfig_
{
unsigned int reserved_1:2; /**< [31-30] These bits are always 0 */
unsigned int txEnbFSM:1; /**< [29] Enables the operation ofthe Utopia Transmit FSM
* @li 1 - FSM enabled
* @li 0 - FSM inactive
*/
unsigned int rxEnbFSM:1; /**< [28] Enables the operation ofthe Utopia Revieve FSM
* @li 1 - FSM enabled
* @li 0 - FSM inactive
*/
unsigned int disablePins:1; /**< [27] Disable Utopia interface I/O pins forcing the signals to an
* inactive state. Note that this bit is set on reset and must be
* de-asserted
* @li 0 - Normal data transfer
* @li 1 - Utopia interface pins are forced inactive
*/
unsigned int tstLoop:1; /**< [26] Test Loop Back Enable.
* @li Note: For loop back to function RxMode and Tx Mode must both be set
* to single PHY mode.
* @li 0 - Loop back
* @li 1 - Normal operating mode
*/
unsigned int txReset:1; /**< [25] Resets the Utopia Coprocessor transmit module to a known state.
* @li Note: All transmit configuration and status registers will be reset
* to their reset values.
* @li 0 - Normal operating mode<EFBFBD>
* @li 1 - Reset transmit modules
*/
unsigned int rxReset:1; /**< [24] Resets the Utopia Coprocessor receive module to a known state.
* @li Note: All receive configuration and status registers will be reset
* to their reset values.
* @li 0 - Normal operating mode
* @li 1 - Reset receive modules
*/
unsigned int reserved_2:24; /**< [23-0] These bits are always 0 */
} utSysConfig; /**< NPE debug config */
}
IxAtmdAccUtopiaConfig;
/**
*
* @brief Utopia status
*
* This structure is used to set/get the Utopia status parameters
* @li contains debug cell counters, to be accessed during a read operation
*
* @note - the exact description of all parameters is done in the Utopia reference
* documents.
*
*/
typedef struct
{
unsigned int utTxCellCount; /**< count of cells transmitted */
unsigned int utTxIdleCellCount; /**< count of idle cells transmitted */
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtTxCellConditionStatus_
* @brief Utopia Tx Status Register
*/
struct UtTxCellConditionStatus_
{
unsigned int reserved_1:2; /**< [31:30] These bits are always 0 */
unsigned int txFIFO2Underflow:1; /**< [29] This bit is set if 64-byte
* Transmit FIFO2 indicates a FIFO underflow
* error condition.
*/
unsigned int txFIFO1Underflow:1; /**< [28] This bit is set if
* 64-byte Transmit FIFO1 indicates a FIFO
* underflow error condition.
*/
unsigned int txFIFO2Overflow:1; /**< [27] This bit is set if 64-byte
* Transmit FIFO2 indicates a FIFO overflow
* error condition.
*/
unsigned int txFIFO1Overflow:1; /**< [26] This bit is set if 64-byte
* Transmit FIFO1 indicates a FIFO overflow
* error condition.
*/
unsigned int txIdleCellCountOvr:1; /**< [25] This bit is set if the
* TxIdleCellCount register overflows.
*/
unsigned int txCellCountOvr:1; /**< [24] This bit is set if the
* TxCellCount register overflows
*/
unsigned int reserved_2:24; /**< [23:0] These bits are always 0 */
} utTxCellConditionStatus; /**< Tx cells condition status */
unsigned int utRxCellCount; /**< count of cell received */
unsigned int utRxIdleCellCount; /**< count of idle cell received */
unsigned int utRxInvalidHECount; /**< count of invalid cell
* received because of HEC errors
*/
unsigned int utRxInvalidParCount; /**< count of invalid cell received
* because of parity errors
*/
unsigned int utRxInvalidSizeCount; /**< count of invalid cell
* received because of cell
* size errors
*/
/**
* @ingroup IxAtmdAccUtopiaCtrlAPI
* @struct UtRxCellConditionStatus_
* @brief Utopia Rx Status Register
*/
struct UtRxCellConditionStatus_
{
unsigned int reserved_1:3; /**< [31:29] These bits are always 0.*/
unsigned int rxCellCountOvr:1; /**< [28] This bit is set if the RxCellCount register overflows. */
unsigned int invalidHecCountOvr:1; /**< [27] This bit is set if the InvalidHecCount register overflows.*/
unsigned int invalidParCountOvr:1; /**< [26] This bit is set if the InvalidParCount register overflows.*/
unsigned int invalidSizeCountOvr:1; /**< [25] This bit is set if the InvalidSizeCount register overflows.*/
unsigned int rxIdleCountOvr:1; /**< [24] This bit is set if the RxIdleCount register overflows.*/
unsigned int reserved_2:4; /**< [23:20] These bits are always 0 */
unsigned int rxFIFO2Underflow:1; /**< [19] This bit is set if 64-byte Receive FIFO2
* indicates a FIFO underflow error condition.
*/
unsigned int rxFIFO1Underflow:1; /**< [18] This bit is set if 64-byte Receive
* FIFO1 indicates a FIFO underflow error condition
. */
unsigned int rxFIFO2Overflow:1; /**< [17] This bit is set if 64-byte Receive FIFO2
* indicates a FIFO overflow error condition.
*/
unsigned int rxFIFO1Overflow:1; /**< [16] This bit is set if 64-byte Receive FIFO1
* indicates a FIFO overflow error condition.
*/
unsigned int reserved_3:16; /**< [15:0] These bits are always 0. */
} utRxCellConditionStatus; /**< Rx cells condition status */
} IxAtmdAccUtopiaStatus;
/**
* @} defgroup IxAtmdAccUtopiaCtrlAPI
*/
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccUtopiaConfigSet (const IxAtmdAccUtopiaConfig *
ixAtmdAccUtopiaConfigPtr)
*
* @brief Send the configuration structure to the Utopia interface
*
* This function downloads the @a IxAtmdAccUtopiaConfig structure to
* the Utopia and has the following effects
* @li setup the Utopia interface
* @li initialise the NPE
* @li reset the Utopia cell counters and status registers to known values
*
* This action has to be done once at initialisation. A lock is preventing
* the concurrent use of @a ixAtmdAccUtopiaStatusGet() and
* @A ixAtmdAccUtopiaConfigSet()
*
* @param *ixAtmdAccNPEConfigPtr @ref IxAtmdAccUtopiaConfig [in] - pointer to a structure to download to
* Utopia. This parameter cannot be a null pointer.
*
* @return @li IX_SUCCESS successful download
* @return @li IX_FAIL error in the parameters, or configuration is not
* complete or failed
*
* @sa ixAtmdAccUtopiaStatusGet
*
*/
PUBLIC IX_STATUS ixAtmdAccUtopiaConfigSet (const IxAtmdAccUtopiaConfig *
ixAtmdAccUtopiaConfigPtr);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccUtopiaStatusGet (IxAtmdAccUtopiaStatus *
ixAtmdAccUtopiaStatus)
*
* @brief Get the Utopia interface configuration.
*
* This function reads the Utopia registers and the Cell counts
* and fills the @a IxAtmdAccUtopiaStatus structure
*
* A lock is preventing the concurrent
* use of @a ixAtmdAccUtopiaStatusGet() and @A ixAtmdAccUtopiaConfigSet()
*
* @param ixAtmdAccUtopiaStatus @ref IxAtmdAccUtopiaStatus [out] - pointer to structure to be updated from internal
* hardware counters. This parameter cannot be a NULL pointer.
*
* @return @li IX_SUCCESS successful read
* @return @li IX_FAIL error in the parameters null pointer, or
* configuration read is not complete or failed
*
* @sa ixAtmdAccUtopiaConfigSet
*
*/
PUBLIC IX_STATUS ixAtmdAccUtopiaStatusGet (IxAtmdAccUtopiaStatus *
ixAtmdAccUtopiaStatus);
/**
*
* @ingroup IxAtmdAcc
*
* @fn ixAtmdAccPortEnable (IxAtmLogicalPort port)
*
* @brief enable a PHY logical port
*
* This function enables the transmission over one port. It should be
* called before accessing any resource from this port and before the
* establishment of a VC.
*
* When a port is enabled, the cell transmission to the Utopia interface
* is started. If there is no traffic already running, idle cells are
* sent over the interface.
*
* This function can be called multiple times.
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
*
* @return @li IX_SUCCESS enable is complete
* @return @li IX_ATMDACC_WARNING port already enabled
* @return @li IX_FAIL enable failed, wrong parameter, or cannot
* initialise this port (the port is maybe already in use,
* or there is a hardware issue)
*
* @note - This function needs internal locks and should not be
* called from an interrupt context
*
* @sa ixAtmdAccPortDisable
*
*/
PUBLIC IX_STATUS ixAtmdAccPortEnable (IxAtmLogicalPort port);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortDisable (IxAtmLogicalPort port)
*
* @brief disable a PHY logical port
*
* This function disable the transmission over one port.
*
* When a port is disabled, the cell transmission to the Utopia interface
* is stopped.
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
*
* @return @li IX_SUCCESS disable is complete
* @return @li IX_ATMDACC_WARNING port already disabled
* @return @li IX_FAIL disable failed, wrong parameter .
*
* @note - This function needs internal locks and should not be called
* from an interrupt context
*
* @note - The response from hardware is done through the txDone mechanism
* to ensure the synchrnisation with tx resources. Therefore, the
* txDone mechanism needs to be serviced to make a PortDisable complete.
*
* @sa ixAtmdAccPortEnable
* @sa ixAtmdAccPortDisableComplete
* @sa ixAtmdAccTxDoneDispatch
*
*/
PUBLIC IX_STATUS ixAtmdAccPortDisable (IxAtmLogicalPort port);
/**
*
* @ingroup IxAtmdAccCtrlAPI
*
* @fn ixAtmdAccPortDisableComplete (IxAtmLogicalPort port)
*
* @brief disable a PHY logical port
*
* This function indicates if the port disable for a port has completed. This
* function will return TRUE if the port has never been enabled.
*
* @param port @ref IxAtmLogicalPort [in] - logical PHY port [@a IX_UTOPIA_PORT_0 .. @a IX_UTOPIA_MAX_PORTS - 1]
*
* @return @li TRUE disable is complete
* @return @li FALSE disable failed, wrong parameter .
*
* @note - This function needs internal locks and should not be called
* from an interrupt context
*
* @sa ixAtmdAccPortEnable
* @sa ixAtmdAccPortDisable
*
*/
PUBLIC BOOL ixAtmdAccPortDisableComplete (IxAtmLogicalPort port);
#endif /* IXATMDACCCTRL_H */
/**
* @} defgroup IxAtmdAccCtrlAPI
*/