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Diffstat (limited to 'cpu/ixp/npe/include/IxAtmSch.h')
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1 files changed, 0 insertions, 504 deletions
diff --git a/cpu/ixp/npe/include/IxAtmSch.h b/cpu/ixp/npe/include/IxAtmSch.h deleted file mode 100644 index 73c3be2..0000000 --- a/cpu/ixp/npe/include/IxAtmSch.h +++ /dev/null @@ -1,504 +0,0 @@ -/** - * @file IxAtmSch.h - * - * @date 23-NOV-2001 - * - * @brief Header file for the IXP400 ATM Traffic Shaper - * - * This component demonstrates an ATM Traffic Shaper implementation. It - * will perform shaping on upto 12 ports and total of 44 VCs accross all ports, - * 32 are intended for AAL0/5 and 12 for OAM (1 per port). - * The supported traffic types are;1 rt-VBR VC where PCR = SCR. - * (Effectively CBR) and Up-to 44 VBR VCs. - * - * This component models the ATM ports and VCs and is capable of producing - * a schedule of ATM cells per port which can be supplied to IxAtmdAcc - * for execution on the data path. - * - * @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 -- - * - * @sa IxAtmm.h - * - */ - -/** - * @defgroup IxAtmSch IXP400 ATM Transmit Scheduler (IxAtmSch) API - * - * @brief IXP400 ATM scheduler component Public API - * - * @{ - */ - -#ifndef IXATMSCH_H -#define IXATMSCH_H - -#include "IxOsalTypes.h" -#include "IxAtmTypes.h" - -/* - * #defines and macros used in this file. - */ - -/* Return codes */ - -/** - * @ingroup IxAtmSch - * - * @def IX_ATMSCH_RET_NOT_ADMITTED - * @brief Indicates that CAC function has rejected VC registration due - * to insufficient line capacity. -*/ -#define IX_ATMSCH_RET_NOT_ADMITTED 2 - -/** - * @ingroup IxAtmSch - * - * @def IX_ATMSCH_RET_QUEUE_FULL - * @brief Indicates that the VC queue is full, no more demand can be - * queued at this time. - */ -#define IX_ATMSCH_RET_QUEUE_FULL 3 - -/** - * @ingroup IxAtmSch - * - * @def IX_ATMSCH_RET_QUEUE_EMPTY - * @brief Indicates that all VC queues on this port are empty and - * therefore there are no cells to be scheduled at this time. - */ -#define IX_ATMSCH_RET_QUEUE_EMPTY 4 - -/* - * Function declarations - */ - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchInit(void) - * - * @brief This function is used to initialize the ixAtmSch component. It - * should be called before any other IxAtmSch API function. - * - * @param None - * - * @return - * - <b>IX_SUCCESS :</b> indicates that - * -# The ATM scheduler component has been successfully initialized. - * -# The scheduler is ready to accept Port modelling requests. - * - <b>IX_FAIL :</b> Some internal error has prevented the scheduler component - * from initialising. - */ -PUBLIC IX_STATUS -ixAtmSchInit(void); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchPortModelInitialize( IxAtmLogicalPort port, - unsigned int portRate, - unsigned int minCellsToSchedule) - * - * @brief This function shall be called first to initialize an ATM port before - * any other ixAtmSch API calls may be made for that port. - * - * @param port @ref IxAtmLogicalPort [in] - The specific port to initialize. Valid - * values range from 0 to IX_UTOPIA_MAX_PORTS - 1, representing a - * maximum of IX_UTOPIA_MAX_PORTS possible ports. - * - * @param portRate unsigned int [in] - Value indicating the upstream capacity - * of the indicated port. The value should be supplied in - * units of ATM (53 bytes) cells per second. - * A port rate of 800Kbits/s is the equivalent - * of 1886 cells per second - * - * @param minCellsToSchedule unsigned int [in] - This parameter specifies the minimum - * number of cells which the scheduler will put in a schedule - * table for this port. This value sets the worst case CDVT for VCs - * on this port i.e. CDVT = 1*minCellsToSchedule/portRate. - * @return - * - <b>IX_SUCCESS :</b> indicates that - * -# The ATM scheduler has been successfully initialized. - * -# The requested port model has been established. - * -# The scheduler is ready to accept VC modelling requests - * on the ATM port. - * - <b>IX_FAIL :</b> indicates the requested port could not be - * initialized. */ -PUBLIC IX_STATUS -ixAtmSchPortModelInitialize( IxAtmLogicalPort port, - unsigned int portRate, - unsigned int minCellsToSchedule); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchPortRateModify( IxAtmLogicalPort port, - unsigned int portRate) - * - * @brief This function is called to modify the portRate on a - * previously initialized port, typically in the event that - * the line condition of the port changes. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port which is to be - * modified. - * - * @param portRate unsigned int [in] - Value indicating the new upstream - * capacity for this port in cells/second. - * A port rate of 800Kbits/s is the equivalent - * of 1886 cells per second - * - * @return - * - <b>IX_SUCCESS :</b> The port rate has been successfully modified.<br> - * - <b>IX_FAIL :</b> The port rate could not be modified, either - * because the input data was invalid, or the new port rate is - * insufficient to support established ATM VC contracts on this - * port. - * - * @warning The IxAtmSch component will validate the supplied port - * rate is sufficient to support all established VC - * contracts on the port. If the new port rate is - * insufficient to support all established contracts then - * the request to modify the port rate will be rejected. - * In this event, the user is expected to remove - * established contracts using the ixAtmSchVcModelRemove - * interface and then retry this interface. - * - * @sa ixAtmSchVcModelRemove() */ -PUBLIC IX_STATUS -ixAtmSchPortRateModify( IxAtmLogicalPort port, - unsigned int portRate); - - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchVcModelSetup( IxAtmLogicalPort port, - IxAtmTrafficDescriptor *trafficDesc, - IxAtmSchedulerVcId *vcId) - * - * @brief A client calls this interface to set up an upstream - * (transmitting) virtual connection model (VC) on the - * specified ATM port. This function also provides the - * virtual * connection admission control (CAC) service to the - * client. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the upstream - * VC is to be established. - * - * @param *trafficDesc @ref IxAtmTrafficDescriptor [in] - Pointer to a structure - * describing the requested traffic contract of the VC to be - * established. This structure contains the typical ATM - * traffic descriptor values (e.g. PCR, SCR, MBS, CDVT, etc.) - * defined by the ATM standard. - * - * @param *vcId @ref IxAtmSchedulerVcId [out] - This value will be filled with the - * port-unique identifier for this virtual connection. A - * valid identification is a non-negative number. - * - * @return - * - <b>IX_SUCCESS :</b> The VC has been successfully established on - * this port. The client may begin to submit demand on this VC. - * - <b>IX_ATMSCH_RET_NOT_ADMITTED :</b> The VC cannot be established - * on this port because there is insufficient upstream capacity - * available to support the requested traffic contract descriptor - * - <b>IX_FAIL :</b>Input data are invalid. VC has not been - * established. - */ -PUBLIC IX_STATUS -ixAtmSchVcModelSetup( IxAtmLogicalPort port, - IxAtmTrafficDescriptor *trafficDesc, - IxAtmSchedulerVcId *vcId); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchVcConnIdSet( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId, - IxAtmConnId vcUserConnId) - * - * @brief A client calls this interface to set the vcUserConnId for a VC on - * the specified ATM port. This vcUserConnId will default to - * IX_ATM_IDLE_CELLS_CONNID if this function is not called for a VC. - * Hence if the client does not call this function for a VC then only idle - * cells will be scheduled for this VC. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the upstream - * VC is has been established. - * - * @param vcId @ref IxAtmSchedulerVcId [in] - This is the unique identifier for this virtual - * connection. A valid identification is a non-negative number and is - * all ports. - * - * @param vcUserConnId @ref IxAtmConnId [in] - The connId is used to refer to a VC in schedule - * table entries. It is treated as the Id by which the scheduler client - * knows the VC. It is used in any communicatations from the Scheduler - * to the scheduler user e.g. schedule table entries. - * - * @return - * - <b>IX_SUCCESS :</b> The id has successfully been set. - * - <b>IX_FAIL :</b>Input data are invalid. connId id is not established. - */ -PUBLIC IX_STATUS -ixAtmSchVcConnIdSet( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId, - IxAtmConnId vcUserConnId); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchVcModelRemove( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId) - * - * @brief Interface called by the client to remove a previously - * established VC on a particular port. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the VC to be - * removed is established. - * - * @param vcId @ref IxAtmSchedulerVcId [in] - Identifies the VC to be removed. This is the - * value returned by the @ref ixAtmSchVcModelSetup call which - * established the relevant VC. - * - * @return - * - <b>IX_SUCCESS :</b> The VC has been successfully removed from - * this port. It is no longer modelled on this port. - * - <b>IX_FAIL :</b>Input data are invalid. The VC is still being modeled - * by the traffic shaper. - * - * @sa ixAtmSchVcModelSetup() - */ -PUBLIC IX_STATUS -ixAtmSchVcModelRemove( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchVcQueueUpdate( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId, - unsigned int numberOfCells) - * - * @brief The client calls this function to notify IxAtmSch that the - * user of a VC has submitted cells for transmission. - * - * This information is stored, aggregated from a number of calls to - * ixAtmSchVcQueueUpdate and eventually used in the call to - * ixAtmSchTableUpdate. - * - * Normally IxAtmSch will update the VC queue by adding the number of - * cells to the current queue length. However, if IxAtmSch - * determines that the user has over-submitted for the VC and - * exceeded its transmission quota the queue request can be rejected. - * The user should resubmit the request later when the queue has been - * depleted. - * - * This implementation of ixAtmSchVcQueueUpdate uses no operating - * system or external facilities, either directly or indirectly. - * This allows clients to call this function form within an interrupt handler. - * - * This interface is structurally compatible with the - * IxAtmdAccSchQueueUpdate callback type definition required for - * IXP400 ATM scheduler interoperability. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the VC to be - * updated is established. - * - * @param vcId @ref IxAtmSchedulerVcId [in] - Identifies the VC to be updated. This is the - * value returned by the @ref ixAtmSchVcModelSetup call which - * established the relevant VC. - * - * @param numberOfCells unsigned int [in] - Indicates how many ATM cells should - * be added to the queue for this VC. - * - * @return - * - <b>IX_SUCCESS :</b> The VC queue has been successfully updated. - * - <b>IX_ATMSCH_RET_QUEUE_FULL :</b> The VC queue has reached a - * preset limit. This indicates the client has over-submitted - * and exceeded its transmission quota. The request is - * rejected. The VC queue is not updated. The VC user is - * advised to resubmit the request later. - * - <b>IX_FAIL :</b> The input are invalid. No VC queue is updated. - * - * @warning IxAtmSch assumes that the calling software ensures that - * calls to ixAtmSchVcQueueUpdate, ixAtmSchVcQueueClear and - * ixAtmSchTableUpdate are both self and mutually exclusive - * for the same port. - * - * @sa ixAtmSchVcQueueUpdate(), ixAtmSchVcQueueClear(), ixAtmSchTableUpdate(). */ -PUBLIC IX_STATUS -ixAtmSchVcQueueUpdate( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId, - unsigned int numberOfCells); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchVcQueueClear( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId) - * - * @brief The client calls this function to remove all currently - * queued cells from a registered VC. The pending cell count - * for the specified VC is reset to zero. - * - * This interface is structurally compatible with the - * IxAtmdAccSchQueueClear callback type definition required for - * IXP400 ATM scheduler interoperability. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port on which the VC to be - * cleared is established. - * - * @param vcId @ref IxAtmSchedulerVcId [in] - Identifies the VC to be cleared. This is the - * value returned by the @ref ixAtmSchVcModelSetup call which - * established the relevant VC. - * - * @return - * - <b>IX_SUCCESS :</b> The VC queue has been successfully cleared. - * - <b>IX_FAIL :</b> The input are invalid. No VC queue is modified. - * - * @warning IxAtmSch assumes that the calling software ensures that - * calls to ixAtmSchVcQueueUpdate, ixAtmSchVcQueueClear and - * ixAtmSchTableUpdate are both self and mutually exclusive - * for the same port. - * - * @sa ixAtmSchVcQueueUpdate(), ixAtmSchVcQueueClear(), ixAtmSchTableUpdate(). */ -PUBLIC IX_STATUS -ixAtmSchVcQueueClear( IxAtmLogicalPort port, - IxAtmSchedulerVcId vcId); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchTableUpdate( IxAtmLogicalPort port, - unsigned int maxCells, - IxAtmScheduleTable **rettable) - * - * @brief The client calls this function to request an update of the - * schedule table for a particular ATM port. - * - * This is called when the client decides it needs a new sequence of - * cells to send (probably because the transmit queue is near to - * empty for this ATM port). The scheduler will use its stored - * information on the cells submitted for transmit (i.e. data - * supplied via @ref ixAtmSchVcQueueUpdate function) with the traffic - * descriptor information of all established VCs on the ATM port to - * decide the sequence of cells to be sent and fill the schedule - * table for a period of time into the future. - * - * IxAtmSch will guarantee a minimum of minCellsToSchedule if there - * is at least one cell ready to send. If there are no cells then - * IX_ATMSCH_RET_QUEUE_EMPTY is returned. - * - * This implementation of ixAtmSchTableUpdate uses no operating - * system or external facilities, either directly or indirectly. - * This allows clients to call this function form within an FIQ - * interrupt handler. - * - * @param port @ref IxAtmLogicalPort [in] - Specifies the ATM port for which requested - * schedule table is to be generated. - * - * @param maxCells unsigned [in] - Specifies the maximum number of cells - * that must be scheduled in the supplied table during any - * call to the interface. - * - * @param **table @ref IxAtmScheduleTable [out] - A pointer to an area of - * storage is returned which contains the generated - * schedule table. The client should not modify the - * contents of this table. - * - * @return - * - <b>IX_SUCCESS :</b> The schedule table has been published. - * Currently there is at least one VC queue that is nonempty. - * - <b>IX_ATMSCH_RET_QUEUE_EMPTY :</b> Currently all VC queues on - * this port are empty. The schedule table returned is set to - * NULL. The client is not expected to invoke this function - * again until more cells have been submitted on this port - * through the @ref ixAtmSchVcQueueUpdate function. - * - <b>IX_FAIL :</b> The input are invalid. No action is taken. - * - * @warning IxAtmSch assumes that the calling software ensures that - * calls to ixAtmSchVcQueueUpdate, ixAtmSchVcQueueClear and - * ixAtmSchTableUpdate are both self and mutually exclusive - * for the same port. - * - * @warning Subsequent calls to this function for the same port will - * overwrite the contents of previously supplied schedule - * tables. The client must be completely finished with the - * previously supplied schedule table before calling this - * function again for the same port. - * - * @sa ixAtmSchVcQueueUpdate(), ixAtmSchVcQueueClear(), ixAtmSchTableUpdate(). */ -PUBLIC IX_STATUS -ixAtmSchTableUpdate( IxAtmLogicalPort port, - unsigned int maxCells, - IxAtmScheduleTable **rettable); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchShow(void) - * - * @brief Utility function which will print statistics on the current - * and accumulated state of VCs and traffic in the ATM - * scheduler component. Output is sent to the default output - * device. - * - * @param none - * @return none - */ -PUBLIC void -ixAtmSchShow(void); - -/** - * @ingroup IxAtmSch - * - * @fn ixAtmSchStatsClear(void) - * - * @brief Utility function which will reset all counter statistics in - * the ATM scheduler to zero. - * - * @param none - * @return none - */ -PUBLIC void -ixAtmSchStatsClear(void); - -#endif -/* IXATMSCH_H */ - -/** @} */ |