ixatmmutopiacfg.c

有关ARM开发板上的IXP400网络驱动程序的源码以。

/** 
 * @file IxAtmmUtopiaCfg.c
 * @author Intel Corporation
 * @date 6-MAR-2002
 *
 * @brief   
 * 
 * 
 * @par
 * IXP400 SW Release version 2.1
 * 
 * -- Copyright Notice --
 * 
 * @par
 * Copyright (c) 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 --
 */

/*
 * Put the system defined include files required
 */

/*
 * Put the user defined include files required
 */
#include "IxOsal.h"
#include "IxAtmm.h"
#include "IxAtmdAccCtrl.h"
#include "IxAtmmUtopiaCfg_p.h"

/*
 * Typedefs.
 */

/*
 * #defines and macros used in this file.
 */

/*
 * Max number of loopback ports supported.
 */
#define IX_ATMM_MAX_LOOPBACK_PORTS   1

/*
 * Indicates the number of utopia ports to configure.
 */
#define IX_ATMM_NUM_PORTS_1 1
#define IX_ATMM_NUM_PORTS_2 2
#define IX_ATMM_NUM_PORTS_3 3
#define IX_ATMM_NUM_PORTS_4 4
#define IX_ATMM_NUM_PORTS_5 5
#define IX_ATMM_NUM_PORTS_6 6
#define IX_ATMM_NUM_PORTS_7 7
#define IX_ATMM_NUM_PORTS_8 8
#define IX_ATMM_NUM_PORTS_9 9
#define IX_ATMM_NUM_PORTS_10 10
#define IX_ATMM_NUM_PORTS_11 11 
#define IX_ATMM_NUM_PORTS_12 12

/*
 * defines for enabling, disabling or ignoring paramaters
 */
#define IX_ATMM_ENABLE  1
#define IX_ATMM_DISABLE 0
#define IX_ATMM_IGNORE  0

/*
 * ATM Master mode
 */
#define IX_ATMM_ATM_MASTER 0
/*
 * PHY Slave mode
 */
#define IX_ATMM_PHY_SLAVE 1

/*
 * Cell size supported
 */
#define IX_ATMM_RX_CELL_SIZE 53
#define IX_ATMM_TX_CELL_SIZE 52

/*
 * These defines specify the vci/vpi, port on which statistics will be gathered.
 * These are hard coded at compile time. Utopia statistics config cannot be reconfigured
 * at run time.
 */
#define IX_ATMM_UT_TX_STATS_CONFIG_PHY_ADDR 0
#define IX_ATMM_UT_TX_STATS_CONFIG_VPI      100
#define IX_ATMM_UT_TX_STATS_CONFIG_VCI      1
#define IX_ATMM_UT_TX_STATS_CONFIG_PTI      0
#define IX_ATMM_UT_TX_STATS_CONFIG_CLP      0

#define IX_ATMM_UT_RX_STATS_CONFIG_PHY_ADDR 0
#define IX_ATMM_UT_RX_STATS_CONFIG_VPI      100
#define IX_ATMM_UT_RX_STATS_CONFIG_VCI      1 
#define IX_ATMM_UT_RX_STATS_CONFIG_PTI      0
#define IX_ATMM_UT_RX_STATS_CONFIG_CLP      0

/*
 * Variable declarations global to this file only. Externs are followed by
 * static variables.
 */
static BOOL ixAtmmLoopbackOn = FALSE;

/*
 * Global variable for show purposes
 */
IxAtmdAccUtopiaConfig ixAtmmUtCfg;

/*
 * Static function prototypes
 */
PRIVATE 
BOOL phyCfgValidate (unsigned numPorts,
		     IxAtmmPhyMode phyMode,
		     IxAtmmPortCfg portCfgs[]);

PRIVATE
IX_STATUS utCfgParamsCheck (unsigned numPorts,
			    IxAtmmPhyMode phyMode,
			    IxAtmmPortCfg portCfgs[],
			    IxAtmmUtopiaLoopbackMode loopbackMode);

PRIVATE 
void utopiaConfigCreate (unsigned numPorts,
			 IxAtmmPhyMode phyMode,
			 IxAtmmPortCfg portCfgs[],			 
			 IxAtmdAccUtopiaConfig *utCfg,
			 IxAtmmUtopiaLoopbackMode loopbackMode);

PRIVATE 
void utopiaTxConfigCreate (unsigned numPorts,
			   IxAtmmPhyMode phyMode,
			   IxAtmmPortCfg portCfgs[],
			   IxAtmdAccUtopiaConfig *utCfg,
			   IxAtmmUtopiaLoopbackMode loopbackMode);

PRIVATE 
void utopiaRxConfigCreate (unsigned numPorts,
			   IxAtmmPhyMode phyMode,
			   IxAtmmPortCfg portCfgs[],
			   IxAtmdAccUtopiaConfig *utCfg,
			   IxAtmmUtopiaLoopbackMode loopbackMode);

PRIVATE 
void utopiaSysConfigCreate (IxAtmdAccUtopiaConfig *utCfg);

PRIVATE 
void utopiaRxTransTableSetup (unsigned numPorts,
			      IxAtmmPortCfg portCfgs[],
			      IxAtmdAccUtopiaConfig *utCfg);

PRIVATE 
void utopiaTxTransTableSetup (unsigned numPorts,
			      IxAtmmPortCfg portCfgs[],
			      IxAtmdAccUtopiaConfig *utCfg);

PRIVATE 
IX_STATUS utCfgShow (void);

PRIVATE 
IX_STATUS utStatusShow (void);



PRIVATE void
utopiaSysConfigReset (IxAtmdAccUtopiaConfig *utCfg);

IX_STATUS ixAtmdAccUtopiaConfigReset (const IxAtmdAccUtopiaConfig * utConfig);


/* ------------------------------------------------------
   Function definitions visable to this file only.
   ------------------------------------------------------ */
IX_STATUS
ixAtmmUtopiaCfgInit (unsigned numPorts,
		     IxAtmmPhyMode phyMode,
		     IxAtmmPortCfg portCfgs[],
		     IxAtmmUtopiaLoopbackMode loopbackMode)
{
    IX_STATUS retval;
    
    retval = utCfgParamsCheck (numPorts,
			       phyMode,
			       portCfgs,
			       loopbackMode);

    /* Loopback mode */
    if (retval == IX_SUCCESS)
    {
	if (loopbackMode == IX_ATMM_UTOPIA_LOOPBACK_ENABLED)
	{
	    ixAtmmLoopbackOn = TRUE;
	}

	/* Clear the config struct */
	ixOsalMemSet (&ixAtmmUtCfg, 0, sizeof (IxAtmdAccUtopiaConfig));
	        
	/* Fill out the utopia config structure */
	utopiaConfigCreate (numPorts,
			    phyMode,
			    portCfgs,
			    &ixAtmmUtCfg,
			    loopbackMode);
	
	/* Call IxAtmdAcc to write the config */
	retval = ixAtmdAccUtopiaConfigSet (&ixAtmmUtCfg);
    }
    
    return retval;
}



IX_STATUS
ixAtmmUtopiaCfgUninit (void)
{

    IX_STATUS retval;

    /* Fill out the utopia Sysconfig structure to reset*/
    utopiaSysConfigReset (&ixAtmmUtCfg);

    /* Call IxAtmdAcc to write the Config */
    retval = ixAtmdAccUtopiaConfigReset (&ixAtmmUtCfg);

    /* Clear the Config struct */
    ixOsalMemSet (&ixAtmmUtCfg, 0, sizeof (IxAtmdAccUtopiaConfig));
    return retval;
}


PUBLIC IX_STATUS
ixAtmmUtopiaStatusShow (void)
{
    IX_STATUS retval = IX_SUCCESS;

    if (IX_SUCCESS != utStatusShow ())
    {
	retval = IX_FAIL;
    }

    return retval;
}

PUBLIC IX_STATUS
ixAtmmUtopiaCfgShow (void)
{
    IX_STATUS retval = IX_SUCCESS;

    if ((IX_SUCCESS != utStatusShow ()) ||
	(IX_SUCCESS != utCfgShow ()))
    {
	retval = IX_FAIL;
    }

    return retval;
}

/* ------------------------------------------------------
   Function definitions visable to this file only.
   ------------------------------------------------------ */
PRIVATE
IX_STATUS utCfgParamsCheck (unsigned numPorts,			   
			    IxAtmmPhyMode phyMode,
			    IxAtmmPortCfg portCfgs[],
			    IxAtmmUtopiaLoopbackMode loopbackMode)
{
    /* Validate input parameters */
    if ((numPorts == 0) || (numPorts > IX_UTOPIA_MAX_PORTS))
    {
	return IX_ATMM_RET_INVALID_PORT;
    }

    if ((loopbackMode != IX_ATMM_UTOPIA_LOOPBACK_DISABLED) &&
	(loopbackMode != IX_ATMM_UTOPIA_LOOPBACK_ENABLED))
    {
	return IX_FAIL;
    }

    /* Loopback allowed on 1 port only */
    if ((loopbackMode == IX_ATMM_UTOPIA_LOOPBACK_ENABLED) &&
	(numPorts > IX_ATMM_MAX_LOOPBACK_PORTS))
    {
	return IX_FAIL;
    }