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/**
* @file IxNpeMhUnsolicitedCbMgr.c
*
* @author Intel Corporation
* @date 18 Jan 2002
*
* @brief This file contains the implementation of the private API for
* the Unsolicited Callback Manager module.
*
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* SPDX-License-Identifier: BSD-3-Clause
* @par
* -- End of Copyright Notice --
*/
/*
* Put the system defined include files required.
*/
/*
* Put the user defined include files required.
*/
#include "IxOsal.h"
#include "IxNpeMhMacros_p.h"
#include "IxNpeMhUnsolicitedCbMgr_p.h"
/*
* #defines and macros used in this file.
*/
/*
* Typedefs whose scope is limited to this file.
*/
/**
* @struct IxNpeMhUnsolicitedCallbackTable
*
* @brief This structure is used to maintain the list of registered
* callbacks. One entry exists for each message ID, and a NULL entry will
* signify that no callback has been registered for that ID.
*/
typedef struct
{
/** array of entries */
IxNpeMhCallback entries[IX_NPEMH_MAX_MESSAGE_ID + 1];
} IxNpeMhUnsolicitedCallbackTable;
/**
* @struct IxNpeMhUnsolicitedCbMgrStats
*
* @brief This structure is used to maintain statistics for the Unsolicited
* Callback Manager module.
*/
typedef struct
{
UINT32 saves; /**< callback table saves */
UINT32 overwrites; /**< callback table overwrites */
} IxNpeMhUnsolicitedCbMgrStats;
/*
* Variable declarations global to this file only. Externs are followed by
* static variables.
*/
PRIVATE IxNpeMhUnsolicitedCallbackTable
ixNpeMhUnsolicitedCallbackTables[IX_NPEMH_NUM_NPES];
PRIVATE IxNpeMhUnsolicitedCbMgrStats
ixNpeMhUnsolicitedCbMgrStats[IX_NPEMH_NUM_NPES];
/*
* Extern function prototypes.
*/
/*
* Static function prototypes.
*/
/*
* Function definition: ixNpeMhUnsolicitedCbMgrInitialize
*/
void ixNpeMhUnsolicitedCbMgrInitialize (void)
{
IxNpeMhNpeId npeId = 0;
IxNpeMhUnsolicitedCallbackTable *table = NULL;
IxNpeMhMessageId messageId = 0;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhUnsolicitedCbMgrInitialize\n");
/* for each NPE ... */
for (npeId = 0; npeId < IX_NPEMH_NUM_NPES; npeId++)
{
/* initialise a pointer to the table for convenience */
table = &ixNpeMhUnsolicitedCallbackTables[npeId];
/* for each message ID ... */
for (messageId = IX_NPEMH_MIN_MESSAGE_ID;
messageId <= IX_NPEMH_MAX_MESSAGE_ID; messageId++)
{
/* initialise the callback for this message ID to NULL */
table->entries[messageId] = NULL;
}
}
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhUnsolicitedCbMgrInitialize\n");
}
/*
* Function definition: ixNpeMhUnsolicitedCbMgrCallbackSave
*/
void ixNpeMhUnsolicitedCbMgrCallbackSave (
IxNpeMhNpeId npeId,
IxNpeMhMessageId unsolicitedMessageId,
IxNpeMhCallback unsolicitedCallback)
{
IxNpeMhUnsolicitedCallbackTable *table = NULL;
/* initialise a pointer to the table for convenience */
table = &ixNpeMhUnsolicitedCallbackTables[npeId];
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhUnsolicitedCbMgrCallbackSave\n");
/* update statistical info */
ixNpeMhUnsolicitedCbMgrStats[npeId].saves++;
/* check if there is a callback already registered for this NPE and */
/* message ID */
if (table->entries[unsolicitedMessageId] != NULL)
{
/* if we are overwriting an existing callback */
if (unsolicitedCallback != NULL)
{
IX_NPEMH_TRACE2 (IX_NPEMH_DEBUG, "Unsolicited callback "
"overwriting existing callback for NPE ID %d "
"message ID 0x%02X\n", npeId, unsolicitedMessageId);
}
else /* if we are clearing an existing callback */
{
IX_NPEMH_TRACE2 (IX_NPEMH_DEBUG, "NULL unsolicited callback "
"clearing existing callback for NPE ID %d "
"message ID 0x%02X\n", npeId, unsolicitedMessageId);
}
/* update statistical info */
ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites++;
}
/* save the callback into the table */
table->entries[unsolicitedMessageId] = unsolicitedCallback;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhUnsolicitedCbMgrCallbackSave\n");
}
/*
* Function definition: ixNpeMhUnsolicitedCbMgrCallbackRetrieve
*/
void ixNpeMhUnsolicitedCbMgrCallbackRetrieve (
IxNpeMhNpeId npeId,
IxNpeMhMessageId unsolicitedMessageId,
IxNpeMhCallback *unsolicitedCallback)
{
IxNpeMhUnsolicitedCallbackTable *table = NULL;
/* initialise a pointer to the table for convenience */
table = &ixNpeMhUnsolicitedCallbackTables[npeId];
/* retrieve the callback from the table */
*unsolicitedCallback = table->entries[unsolicitedMessageId];
}
/*
* Function definition: ixNpeMhUnsolicitedCbMgrShow
*/
void ixNpeMhUnsolicitedCbMgrShow (
IxNpeMhNpeId npeId)
{
/* show the unsolicited callback table save counter */
IX_NPEMH_SHOW ("Unsolicited callback table saves",
ixNpeMhUnsolicitedCbMgrStats[npeId].saves);
/* show the unsolicited callback table overwrite counter */
IX_NPEMH_SHOW ("Unsolicited callback table overwrites",
ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites);
}
/*
* Function definition: ixNpeMhUnsolicitedCbMgrShowReset
*/
void ixNpeMhUnsolicitedCbMgrShowReset (
IxNpeMhNpeId npeId)
{
/* reset the unsolicited callback table save counter */
ixNpeMhUnsolicitedCbMgrStats[npeId].saves = 0;
/* reset the unsolicited callback table overwrite counter */
ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites = 0;
}
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