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Diffstat (limited to 'drivers/net/npe/include/IxAtmdAccCtrl.h')
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diff --git a/drivers/net/npe/include/IxAtmdAccCtrl.h b/drivers/net/npe/include/IxAtmdAccCtrl.h new file mode 100644 index 0000000000..50ef582f73 --- /dev/null +++ b/drivers/net/npe/include/IxAtmdAccCtrl.h @@ -0,0 +1,1958 @@ + +/** + * @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'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'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'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'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 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 + * @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 + */ + + |