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Diffstat (limited to 'cpu/ixp/npe/IxNpeMhReceive.c')
| -rw-r--r-- | cpu/ixp/npe/IxNpeMhReceive.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/cpu/ixp/npe/IxNpeMhReceive.c b/cpu/ixp/npe/IxNpeMhReceive.c deleted file mode 100644 index 57c8be3..0000000 --- a/cpu/ixp/npe/IxNpeMhReceive.c +++ /dev/null @@ -1,320 +0,0 @@ -/** - * @file IxNpeMhReceive.c - * - * @author Intel Corporation - * @date 18 Jan 2002 - * - * @brief This file contains the implementation of the private API for the - * Receive module. - * - * - * @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 -- -*/ - -/* - * Put the system defined include files required. - */ - - -/* - * Put the user defined include files required. - */ -#include "IxOsal.h" -#include "IxNpeMhMacros_p.h" -#include "IxNpeMhConfig_p.h" -#include "IxNpeMhReceive_p.h" -#include "IxNpeMhSolicitedCbMgr_p.h" -#include "IxNpeMhUnsolicitedCbMgr_p.h" - -/* - * #defines and macros used in this file. - */ - -/* - * Typedefs whose scope is limited to this file. - */ - -/** - * @struct IxNpeMhReceiveStats - * - * @brief This structure is used to maintain statistics for the Receive - * module. - */ - -typedef struct -{ - UINT32 isrs; /**< receive ISR invocations */ - UINT32 receives; /**< receive messages invocations */ - UINT32 messages; /**< messages received */ - UINT32 solicited; /**< solicited messages received */ - UINT32 unsolicited; /**< unsolicited messages received */ - UINT32 callbacks; /**< callbacks invoked */ -} IxNpeMhReceiveStats; - -/* - * Variable declarations global to this file only. Externs are followed by - * static variables. - */ - -PRIVATE IxNpeMhReceiveStats ixNpeMhReceiveStats[IX_NPEMH_NUM_NPES]; - -/* - * Extern function prototypes. - */ - -/* - * Static function prototypes. - */ -PRIVATE -void ixNpeMhReceiveIsr (int npeId); - -PRIVATE -void ixNpeMhReceiveIsr (int npeId) -{ - int lockKey; - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering " - "ixNpeMhReceiveIsr\n"); - - lockKey = ixOsalIrqLock (); - - /* invoke the message receive routine to get messages from the NPE */ - ixNpeMhReceiveMessagesReceive (npeId); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].isrs++; - - ixOsalIrqUnlock (lockKey); - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting " - "ixNpeMhReceiveIsr\n"); -} - -/* - * Function definition: ixNpeMhReceiveInitialize - */ - -void ixNpeMhReceiveInitialize (void) -{ - IxNpeMhNpeId npeId = 0; - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering " - "ixNpeMhReceiveInitialize\n"); - - /* for each NPE ... */ - for (npeId = 0; npeId < IX_NPEMH_NUM_NPES; npeId++) - { - /* register our internal ISR for the NPE to handle "outFIFO not */ - /* empty" interrupts */ - ixNpeMhConfigIsrRegister (npeId, ixNpeMhReceiveIsr); - } - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting " - "ixNpeMhReceiveInitialize\n"); -} - -/* - * Function definition: ixNpeMhReceiveMessagesReceive - */ - -IX_STATUS ixNpeMhReceiveMessagesReceive ( - IxNpeMhNpeId npeId) -{ - IxNpeMhMessage message = { { 0, 0 } }; - IxNpeMhMessageId messageId = 0; - IxNpeMhCallback callback = NULL; - IX_STATUS status; - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering " - "ixNpeMhReceiveMessagesReceive\n"); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].receives++; - - /* while the NPE has messages in its outFIFO */ - while (!ixNpeMhConfigOutFifoIsEmpty (npeId)) - { - /* read a message from the NPE's outFIFO */ - status = ixNpeMhConfigOutFifoRead (npeId, &message); - - if (IX_SUCCESS != status) - { - return status; - } - - /* get the ID of the message */ - messageId = ixNpeMhConfigMessageIdGet (message); - - IX_NPEMH_TRACE2 (IX_NPEMH_DEBUG, - "Received message from NPE %d with ID 0x%02X\n", - npeId, messageId); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].messages++; - - /* try to find a matching unsolicited callback for this message. */ - - /* we assume the message is unsolicited. only if there is no */ - /* unsolicited callback for this message type do we assume the */ - /* message is solicited. it is much faster to check for an */ - /* unsolicited callback, so doing this check first should result */ - /* in better performance. */ - - ixNpeMhUnsolicitedCbMgrCallbackRetrieve ( - npeId, messageId, &callback); - - if (callback != NULL) - { - IX_NPEMH_TRACE0 (IX_NPEMH_DEBUG, - "Found matching unsolicited callback\n"); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].unsolicited++; - } - - /* if no unsolicited callback was found try to find a matching */ - /* solicited callback for this message */ - if (callback == NULL) - { - ixNpeMhSolicitedCbMgrCallbackRetrieve ( - npeId, messageId, &callback); - - if (callback != NULL) - { - IX_NPEMH_TRACE0 (IX_NPEMH_DEBUG, - "Found matching solicited callback\n"); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].solicited++; - } - } - - /* if a callback (either unsolicited or solicited) was found */ - if (callback != NULL) - { - /* invoke the callback to pass the message back to the client */ - callback (npeId, message); - - /* update statistical info */ - ixNpeMhReceiveStats[npeId].callbacks++; - } - else /* no callback (neither unsolicited nor solicited) was found */ - { - IX_NPEMH_TRACE2 (IX_NPEMH_WARNING, - "No matching callback for NPE %d" - " and ID 0x%02X, discarding message\n", - npeId, messageId); - - /* the message will be discarded. this is normal behaviour */ - /* if the client passes a NULL solicited callback when */ - /* sending a message. this indicates that the client is not */ - /* interested in receiving the response. alternatively a */ - /* NULL callback here may signify an unsolicited message */ - /* with no appropriate registered callback. */ - } - } - - IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting " - "ixNpeMhReceiveMessagesReceive\n"); - - return IX_SUCCESS; -} - -/* - * Function definition: ixNpeMhReceiveShow - */ - -void ixNpeMhReceiveShow ( - IxNpeMhNpeId npeId) -{ - /* show the ISR invocation counter */ - IX_NPEMH_SHOW ("Receive ISR invocations", - ixNpeMhReceiveStats[npeId].isrs); - - /* show the receive message invocation counter */ - IX_NPEMH_SHOW ("Receive messages invocations", - ixNpeMhReceiveStats[npeId].receives); - - /* show the message received counter */ - IX_NPEMH_SHOW ("Messages received", - ixNpeMhReceiveStats[npeId].messages); - - /* show the solicited message counter */ - IX_NPEMH_SHOW ("Solicited messages received", - ixNpeMhReceiveStats[npeId].solicited); - - /* show the unsolicited message counter */ - IX_NPEMH_SHOW ("Unsolicited messages received", - ixNpeMhReceiveStats[npeId].unsolicited); - - /* show the callback invoked counter */ - IX_NPEMH_SHOW ("Callbacks invoked", - ixNpeMhReceiveStats[npeId].callbacks); - - /* show the message discarded counter */ - IX_NPEMH_SHOW ("Received messages discarded", - (ixNpeMhReceiveStats[npeId].messages - - ixNpeMhReceiveStats[npeId].callbacks)); -} - -/* - * Function definition: ixNpeMhReceiveShowReset - */ - -void ixNpeMhReceiveShowReset ( - IxNpeMhNpeId npeId) -{ - /* reset the ISR invocation counter */ - ixNpeMhReceiveStats[npeId].isrs = 0; - - /* reset the receive message invocation counter */ - ixNpeMhReceiveStats[npeId].receives = 0; - - /* reset the message received counter */ - ixNpeMhReceiveStats[npeId].messages = 0; - - /* reset the solicited message counter */ - ixNpeMhReceiveStats[npeId].solicited = 0; - - /* reset the unsolicited message counter */ - ixNpeMhReceiveStats[npeId].unsolicited = 0; - - /* reset the callback invoked counter */ - ixNpeMhReceiveStats[npeId].callbacks = 0; -} |