ixethdbspanningtree.c

AMCC POWERPC 44X系列的U-BOOT文件

/**
 * @file IxEthDBSpanningTree.c
 *
 * @brief Implementation of the STP API
 * 
 * @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 --
 */


#include "IxEthDB_p.h"

/**
 * @brief sets the STP blocking state of a port
 *
 * @param portID ID of the port
 * @param blocked TRUE to block the port or FALSE to unblock it
 * 
 * Note that this function is documented in the main component
 * header file, IxEthDB.h.
 *
 * @return IX_ETH_DB_SUCCESS if the operation completed successfully
 * or an appropriate error message otherwise
 */
IX_ETH_DB_PUBLIC 
IxEthDBStatus ixEthDBSpanningTreeBlockingStateSet(IxEthDBPortId portID, BOOL blocked)
{
    IxNpeMhMessage message;
    IX_STATUS result;
    
    IX_ETH_DB_CHECK_PORT(portID);
    
    IX_ETH_DB_CHECK_SINGLE_NPE(portID);
 
    IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_SPANNING_TREE_PROTOCOL);
    
    ixEthDBPortInfo[portID].stpBlocked = blocked;

    FILL_SETBLOCKINGSTATE_MSG(message, portID, blocked);
    
    IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
    
    return result;
}

/**
 * @brief retrieves the STP blocking state of a port
 *
 * @param portID ID of the port
 * @param blocked address to write the blocked status into
 *
 * Note that this function is documented in the main component
 * header file, IxEthDB.h.
 *
 * @return IX_ETH_DB_SUCCESS if the operation completed successfully
 * or an appropriate error message otherwise
 */
IX_ETH_DB_PUBLIC 
IxEthDBStatus ixEthDBSpanningTreeBlockingStateGet(IxEthDBPortId portID, BOOL *blocked)
{
    IX_ETH_DB_CHECK_PORT(portID);
    
    IX_ETH_DB_CHECK_SINGLE_NPE(portID);
 
    IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_SPANNING_TREE_PROTOCOL);
    
    IX_ETH_DB_CHECK_REFERENCE(blocked);
    
    *blocked = ixEthDBPortInfo[portID].stpBlocked;
    
    return IX_ETH_DB_SUCCESS;
}