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Diffstat (limited to 'drivers/net/sk98lin/skdim.c')
-rw-r--r--drivers/net/sk98lin/skdim.c742
1 files changed, 0 insertions, 742 deletions
diff --git a/drivers/net/sk98lin/skdim.c b/drivers/net/sk98lin/skdim.c
deleted file mode 100644
index 37ce03fb8de..00000000000
--- a/drivers/net/sk98lin/skdim.c
+++ /dev/null
@@ -1,742 +0,0 @@
-/******************************************************************************
- *
- * Name: skdim.c
- * Project: GEnesis, PCI Gigabit Ethernet Adapter
- * Version: $Revision: 1.5 $
- * Date: $Date: 2003/11/28 12:55:40 $
- * Purpose: All functions to maintain interrupt moderation
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * (C)Copyright 1998-2002 SysKonnect GmbH.
- * (C)Copyright 2002-2003 Marvell.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * Description:
- *
- * This module is intended to manage the dynamic interrupt moderation on both
- * GEnesis and Yukon adapters.
- *
- * Include File Hierarchy:
- *
- * "skdrv1st.h"
- * "skdrv2nd.h"
- *
- ******************************************************************************/
-
-#ifndef lint
-static const char SysKonnectFileId[] =
- "@(#) $Id: skdim.c,v 1.5 2003/11/28 12:55:40 rroesler Exp $ (C) SysKonnect.";
-#endif
-
-#define __SKADDR_C
-
-#ifdef __cplusplus
-#error C++ is not yet supported.
-extern "C" {
-#endif
-
-/*******************************************************************************
-**
-** Includes
-**
-*******************************************************************************/
-
-#ifndef __INC_SKDRV1ST_H
-#include "h/skdrv1st.h"
-#endif
-
-#ifndef __INC_SKDRV2ND_H
-#include "h/skdrv2nd.h"
-#endif
-
-#include <linux/kernel_stat.h>
-
-/*******************************************************************************
-**
-** Defines
-**
-*******************************************************************************/
-
-/*******************************************************************************
-**
-** Typedefs
-**
-*******************************************************************************/
-
-/*******************************************************************************
-**
-** Local function prototypes
-**
-*******************************************************************************/
-
-static unsigned int GetCurrentSystemLoad(SK_AC *pAC);
-static SK_U64 GetIsrCalls(SK_AC *pAC);
-static SK_BOOL IsIntModEnabled(SK_AC *pAC);
-static void SetCurrIntCtr(SK_AC *pAC);
-static void EnableIntMod(SK_AC *pAC);
-static void DisableIntMod(SK_AC *pAC);
-static void ResizeDimTimerDuration(SK_AC *pAC);
-static void DisplaySelectedModerationType(SK_AC *pAC);
-static void DisplaySelectedModerationMask(SK_AC *pAC);
-static void DisplayDescrRatio(SK_AC *pAC);
-
-/*******************************************************************************
-**
-** Global variables
-**
-*******************************************************************************/
-
-/*******************************************************************************
-**
-** Local variables
-**
-*******************************************************************************/
-
-/*******************************************************************************
-**
-** Global functions
-**
-*******************************************************************************/
-
-/*******************************************************************************
-** Function : SkDimModerate
-** Description : Called in every ISR to check if moderation is to be applied
-** or not for the current number of interrupts
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : void (!)
-** Notes : -
-*******************************************************************************/
-
-void
-SkDimModerate(SK_AC *pAC) {
- unsigned int CurrSysLoad = 0; /* expressed in percent */
- unsigned int LoadIncrease = 0; /* expressed in percent */
- SK_U64 ThresholdInts = 0;
- SK_U64 IsrCallsPerSec = 0;
-
-#define M_DIMINFO pAC->DynIrqModInfo
-
- if (!IsIntModEnabled(pAC)) {
- if (M_DIMINFO.IntModTypeSelect == C_INT_MOD_DYNAMIC) {
- CurrSysLoad = GetCurrentSystemLoad(pAC);
- if (CurrSysLoad > 75) {
- /*
- ** More than 75% total system load! Enable the moderation
- ** to shield the system against too many interrupts.
- */
- EnableIntMod(pAC);
- } else if (CurrSysLoad > M_DIMINFO.PrevSysLoad) {
- LoadIncrease = (CurrSysLoad - M_DIMINFO.PrevSysLoad);
- if (LoadIncrease > ((M_DIMINFO.PrevSysLoad *
- C_INT_MOD_ENABLE_PERCENTAGE) / 100)) {
- if (CurrSysLoad > 10) {
- /*
- ** More than 50% increase with respect to the
- ** previous load of the system. Most likely this
- ** is due to our ISR-proc...
- */
- EnableIntMod(pAC);
- }
- }
- } else {
- /*
- ** Neither too much system load at all nor too much increase
- ** with respect to the previous system load. Hence, we can leave
- ** the ISR-handling like it is without enabling moderation.
- */
- }
- M_DIMINFO.PrevSysLoad = CurrSysLoad;
- }
- } else {
- if (M_DIMINFO.IntModTypeSelect == C_INT_MOD_DYNAMIC) {
- ThresholdInts = ((M_DIMINFO.MaxModIntsPerSec *
- C_INT_MOD_DISABLE_PERCENTAGE) / 100);
- IsrCallsPerSec = GetIsrCalls(pAC);
- if (IsrCallsPerSec <= ThresholdInts) {
- /*
- ** The number of interrupts within the last second is
- ** lower than the disable_percentage of the desried
- ** maxrate. Therefore we can disable the moderation.
- */
- DisableIntMod(pAC);
- M_DIMINFO.MaxModIntsPerSec =
- (M_DIMINFO.MaxModIntsPerSecUpperLimit +
- M_DIMINFO.MaxModIntsPerSecLowerLimit) / 2;
- } else {
- /*
- ** The number of interrupts per sec is the same as expected.
- ** Evalulate the descriptor-ratio. If it has changed, a resize
- ** in the moderation timer might be useful
- */
- if (M_DIMINFO.AutoSizing) {
- ResizeDimTimerDuration(pAC);
- }
- }
- }
- }
-
- /*
- ** Some information to the log...
- */
- if (M_DIMINFO.DisplayStats) {
- DisplaySelectedModerationType(pAC);
- DisplaySelectedModerationMask(pAC);
- DisplayDescrRatio(pAC);
- }
-
- M_DIMINFO.NbrProcessedDescr = 0;
- SetCurrIntCtr(pAC);
-}
-
-/*******************************************************************************
-** Function : SkDimStartModerationTimer
-** Description : Starts the audit-timer for the dynamic interrupt moderation
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : void (!)
-** Notes : -
-*******************************************************************************/
-
-void
-SkDimStartModerationTimer(SK_AC *pAC) {
- SK_EVPARA EventParam; /* Event struct for timer event */
-
- SK_MEMSET((char *) &EventParam, 0, sizeof(EventParam));
- EventParam.Para32[0] = SK_DRV_MODERATION_TIMER;
- SkTimerStart(pAC, pAC->IoBase, &pAC->DynIrqModInfo.ModTimer,
- SK_DRV_MODERATION_TIMER_LENGTH,
- SKGE_DRV, SK_DRV_TIMER, EventParam);
-}
-
-/*******************************************************************************
-** Function : SkDimEnableModerationIfNeeded
-** Description : Either enables or disables moderation
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : void (!)
-** Notes : This function is called when a particular adapter is opened
-** There is no Disable function, because when all interrupts
-** might be disable, the moderation timer has no meaning at all
-******************************************************************************/
-
-void
-SkDimEnableModerationIfNeeded(SK_AC *pAC) {
-
- if (M_DIMINFO.IntModTypeSelect == C_INT_MOD_STATIC) {
- EnableIntMod(pAC); /* notification print in this function */
- } else if (M_DIMINFO.IntModTypeSelect == C_INT_MOD_DYNAMIC) {
- SkDimStartModerationTimer(pAC);
- if (M_DIMINFO.DisplayStats) {
- printk("Dynamic moderation has been enabled\n");
- }
- } else {
- if (M_DIMINFO.DisplayStats) {
- printk("No moderation has been enabled\n");
- }
- }
-}
-
-/*******************************************************************************
-** Function : SkDimDisplayModerationSettings
-** Description : Displays the current settings regarding interrupt moderation
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : void (!)
-** Notes : -
-*******************************************************************************/
-
-void
-SkDimDisplayModerationSettings(SK_AC *pAC) {
- DisplaySelectedModerationType(pAC);
- DisplaySelectedModerationMask(pAC);
-}
-
-/*******************************************************************************
-**
-** Local functions
-**
-*******************************************************************************/
-
-/*******************************************************************************
-** Function : GetCurrentSystemLoad
-** Description : Retrieves the current system load of the system. This load
-** is evaluated for all processors within the system.
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : unsigned int: load expressed in percentage
-** Notes : The possible range being returned is from 0 up to 100.
-** Whereas 0 means 'no load at all' and 100 'system fully loaded'
-** It is impossible to determine what actually causes the system
-** to be in 100%, but maybe that is due to too much interrupts.
-*******************************************************************************/
-
-static unsigned int
-GetCurrentSystemLoad(SK_AC *pAC) {
- unsigned long jif = jiffies;
- unsigned int UserTime = 0;
- unsigned int SystemTime = 0;
- unsigned int NiceTime = 0;
- unsigned int IdleTime = 0;
- unsigned int TotalTime = 0;
- unsigned int UsedTime = 0;
- unsigned int SystemLoad = 0;
-
- /* unsigned int NbrCpu = 0; */
-
- /*
- ** The following lines have been commented out, because
- ** from kernel 2.5.44 onwards, the kernel-owned structure
- **
- ** struct kernel_stat kstat
- **
- ** is not marked as an exported symbol in the file
- **
- ** kernel/ksyms.c
- **
- ** As a consequence, using this driver as KLM is not possible
- ** and any access of the structure kernel_stat via the
- ** dedicated macros kstat_cpu(i).cpustat.xxx is to be avoided.
- **
- ** The kstat-information might be added again in future
- ** versions of the 2.5.xx kernel, but for the time being,
- ** number of interrupts will serve as indication how much
- ** load we currently have...
- **
- ** for (NbrCpu = 0; NbrCpu < num_online_cpus(); NbrCpu++) {
- ** UserTime = UserTime + kstat_cpu(NbrCpu).cpustat.user;
- ** NiceTime = NiceTime + kstat_cpu(NbrCpu).cpustat.nice;
- ** SystemTime = SystemTime + kstat_cpu(NbrCpu).cpustat.system;
- ** }
- */
- SK_U64 ThresholdInts = 0;
- SK_U64 IsrCallsPerSec = 0;
-
- ThresholdInts = ((M_DIMINFO.MaxModIntsPerSec *
- C_INT_MOD_ENABLE_PERCENTAGE) + 100);
- IsrCallsPerSec = GetIsrCalls(pAC);
- if (IsrCallsPerSec >= ThresholdInts) {
- /*
- ** We do not know how much the real CPU-load is!
- ** Return 80% as a default in order to activate DIM
- */
- SystemLoad = 80;
- return (SystemLoad);
- }
-
- UsedTime = UserTime + NiceTime + SystemTime;
-
- IdleTime = jif * num_online_cpus() - UsedTime;
- TotalTime = UsedTime + IdleTime;
-
- SystemLoad = ( 100 * (UsedTime - M_DIMINFO.PrevUsedTime) ) /
- (TotalTime - M_DIMINFO.PrevTotalTime);
-
- if (M_DIMINFO.DisplayStats) {
- printk("Current system load is: %u\n", SystemLoad);
- }
-
- M_DIMINFO.PrevTotalTime = TotalTime;
- M_DIMINFO.PrevUsedTime = UsedTime;
-
- return (SystemLoad);
-}
-
-/*******************************************************************************
-** Function : GetIsrCalls
-** Description : Depending on the selected moderation mask, this function will
-** return the number of interrupts handled in the previous time-
-** frame. This evaluated number is based on the current number
-** of interrupts stored in PNMI-context and the previous stored
-** interrupts.
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : int: the number of interrupts being executed in the last
-** timeframe
-** Notes : It makes only sense to call this function, when dynamic
-** interrupt moderation is applied
-*******************************************************************************/
-
-static SK_U64
-GetIsrCalls(SK_AC *pAC) {
- SK_U64 RxPort0IntDiff = 0;
- SK_U64 RxPort1IntDiff = 0;
- SK_U64 TxPort0IntDiff = 0;
- SK_U64 TxPort1IntDiff = 0;
-
- if (pAC->DynIrqModInfo.MaskIrqModeration == IRQ_MASK_TX_ONLY) {
- if (pAC->GIni.GIMacsFound == 2) {
- TxPort1IntDiff = pAC->Pnmi.Port[1].TxIntrCts -
- pAC->DynIrqModInfo.PrevPort1TxIntrCts;
- }
- TxPort0IntDiff = pAC->Pnmi.Port[0].TxIntrCts -
- pAC->DynIrqModInfo.PrevPort0TxIntrCts;
- } else if (pAC->DynIrqModInfo.MaskIrqModeration == IRQ_MASK_RX_ONLY) {
- if (pAC->GIni.GIMacsFound == 2) {
- RxPort1IntDiff = pAC->Pnmi.Port[1].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort1RxIntrCts;
- }
- RxPort0IntDiff = pAC->Pnmi.Port[0].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort0RxIntrCts;
- } else {
- if (pAC->GIni.GIMacsFound == 2) {
- RxPort1IntDiff = pAC->Pnmi.Port[1].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort1RxIntrCts;
- TxPort1IntDiff = pAC->Pnmi.Port[1].TxIntrCts -
- pAC->DynIrqModInfo.PrevPort1TxIntrCts;
- }
- RxPort0IntDiff = pAC->Pnmi.Port[0].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort0RxIntrCts;
- TxPort0IntDiff = pAC->Pnmi.Port[0].TxIntrCts -
- pAC->DynIrqModInfo.PrevPort0TxIntrCts;
- }
-
- return (RxPort0IntDiff + RxPort1IntDiff + TxPort0IntDiff + TxPort1IntDiff);
-}
-
-/*******************************************************************************
-** Function : GetRxCalls
-** Description : This function will return the number of times a receive inter-
-** rupt was processed. This is needed to evaluate any resizing
-** factor.
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : SK_U64: the number of RX-ints being processed
-** Notes : It makes only sense to call this function, when dynamic
-** interrupt moderation is applied
-*******************************************************************************/
-
-static SK_U64
-GetRxCalls(SK_AC *pAC) {
- SK_U64 RxPort0IntDiff = 0;
- SK_U64 RxPort1IntDiff = 0;
-
- if (pAC->GIni.GIMacsFound == 2) {
- RxPort1IntDiff = pAC->Pnmi.Port[1].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort1RxIntrCts;
- }
- RxPort0IntDiff = pAC->Pnmi.Port[0].RxIntrCts -
- pAC->DynIrqModInfo.PrevPort0RxIntrCts;
-
- return (RxPort0IntDiff + RxPort1IntDiff);
-}
-
-/*******************************************************************************
-** Function : SetCurrIntCtr
-** Description : Will store the current number orf occured interrupts in the
-** adapter context. This is needed to evaluated the number of
-** interrupts within a current timeframe.
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : void (!)
-** Notes : -
-*******************************************************************************/
-
-static void
-SetCurrIntCtr(SK_AC *pAC) {
- if (pAC->GIni.GIMacsFound == 2) {
- pAC->DynIrqModInfo.PrevPort1RxIntrCts = pAC->Pnmi.Port[1].RxIntrCts;
- pAC->DynIrqModInfo.PrevPort1TxIntrCts = pAC->Pnmi.Port[1].TxIntrCts;
- }
- pAC->DynIrqModInfo.PrevPort0RxIntrCts = pAC->Pnmi.Port[0].RxIntrCts;
- pAC->DynIrqModInfo.PrevPort0TxIntrCts = pAC->Pnmi.Port[0].TxIntrCts;
-}
-
-/*******************************************************************************
-** Function : IsIntModEnabled()
-** Description : Retrieves the current value of the interrupts moderation
-** command register. Its content determines whether any
-** moderation is running or not.
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : SK_TRUE : if mod timer running
-** SK_FALSE : if no moderation is being performed
-** Notes : -
-*******************************************************************************/
-
-static SK_BOOL
-IsIntModEnabled(SK_AC *pAC) {
- unsigned long CtrCmd;
-
- SK_IN32(pAC->IoBase, B2_IRQM_CTRL, &CtrCmd);
- if ((CtrCmd & TIM_START) == TIM_START) {
- return SK_TRUE;
- } else {
- return SK_FALSE;
- }
-}
-
-/*******************************************************************************
-** Function : EnableIntMod()
-** Description : Enables the interrupt moderation using the values stored in
-** in the pAC->DynIntMod data structure
-** Programmer : Ralph Roesler
-** Last Modified: 22-mar-03
-** Returns : -
-** Notes : -
-*******************************************************************************/
-
-static void
-EnableIntMod(SK_AC *pAC) {
- unsigned long ModBase;
-
- if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
- ModBase = C_CLK_FREQ_GENESIS / pAC->DynIrqModInfo.MaxModIntsPerSec;
- } else {
- ModBase = C_CLK_FREQ_YUKON / pAC->DynIrqModInfo.MaxModIntsPerSec;
- }
-
- SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase);
- SK_OUT32(pAC->IoBase, B2_IRQM_MSK, pAC->DynIrqModInfo.MaskIrqModeration);
- SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_START);
- if (M_DIMINFO.DisplayStats) {
- printk("Enabled interrupt moderation (%i ints/sec)\n",
- M_DIMINFO.MaxModIntsPerSec);
- }
-}
-
-/*******************************************************************************
-** Function : DisableIntMod()
-** Description : Disables the interrupt moderation independent of what inter-
-** rupts are running or not
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : -
-** Notes : -
-*******************************************************************************/
-
-static void
-DisableIntMod(SK_AC *pAC) {
-
- SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_STOP);
- if (M_DIMINFO.DisplayStats) {
- printk("Disabled interrupt moderation\n");
- }
-}
-
-/*******************************************************************************
-** Function : ResizeDimTimerDuration();
-** Description : Checks the current used descriptor ratio and resizes the
-** duration timer (longer/smaller) if possible.
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : -
-** Notes : There are both maximum and minimum timer duration value.
-** This function assumes that interrupt moderation is already
-** enabled!
-*******************************************************************************/
-
-static void
-ResizeDimTimerDuration(SK_AC *pAC) {
- SK_BOOL IncreaseTimerDuration;
- int TotalMaxNbrDescr;
- int UsedDescrRatio;
- int RatioDiffAbs;
- int RatioDiffRel;
- int NewMaxModIntsPerSec;
- int ModAdjValue;
- long ModBase;
-
- /*
- ** Check first if we are allowed to perform any modification
- */
- if (IsIntModEnabled(pAC)) {
- if (M_DIMINFO.IntModTypeSelect != C_INT_MOD_DYNAMIC) {
- return;
- } else {
- if (M_DIMINFO.ModJustEnabled) {
- M_DIMINFO.ModJustEnabled = SK_FALSE;
- return;
- }
- }
- }
-
- /*
- ** If we got until here, we have to evaluate the amount of the
- ** descriptor ratio change...
- */
- TotalMaxNbrDescr = pAC->RxDescrPerRing * GetRxCalls(pAC);
- UsedDescrRatio = (M_DIMINFO.NbrProcessedDescr * 100) / TotalMaxNbrDescr;
-
- if (UsedDescrRatio > M_DIMINFO.PrevUsedDescrRatio) {
- RatioDiffAbs = (UsedDescrRatio - M_DIMINFO.PrevUsedDescrRatio);
- RatioDiffRel = (RatioDiffAbs * 100) / UsedDescrRatio;
- M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
- IncreaseTimerDuration = SK_FALSE; /* in other words: DECREASE */
- } else if (UsedDescrRatio < M_DIMINFO.PrevUsedDescrRatio) {
- RatioDiffAbs = (M_DIMINFO.PrevUsedDescrRatio - UsedDescrRatio);
- RatioDiffRel = (RatioDiffAbs * 100) / M_DIMINFO.PrevUsedDescrRatio;
- M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
- IncreaseTimerDuration = SK_TRUE; /* in other words: INCREASE */
- } else {
- RatioDiffAbs = (M_DIMINFO.PrevUsedDescrRatio - UsedDescrRatio);
- RatioDiffRel = (RatioDiffAbs * 100) / M_DIMINFO.PrevUsedDescrRatio;
- M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
- IncreaseTimerDuration = SK_TRUE; /* in other words: INCREASE */
- }
-
- /*
- ** Now we can determine the change in percent
- */
- if ((RatioDiffRel >= 0) && (RatioDiffRel <= 5) ) {
- ModAdjValue = 1; /* 1% change - maybe some other value in future */
- } else if ((RatioDiffRel > 5) && (RatioDiffRel <= 10) ) {
- ModAdjValue = 1; /* 1% change - maybe some other value in future */
- } else if ((RatioDiffRel > 10) && (RatioDiffRel <= 15) ) {
- ModAdjValue = 1; /* 1% change - maybe some other value in future */
- } else {
- ModAdjValue = 1; /* 1% change - maybe some other value in future */
- }
-
- if (IncreaseTimerDuration) {
- NewMaxModIntsPerSec = M_DIMINFO.MaxModIntsPerSec +
- (M_DIMINFO.MaxModIntsPerSec * ModAdjValue) / 100;
- } else {
- NewMaxModIntsPerSec = M_DIMINFO.MaxModIntsPerSec -
- (M_DIMINFO.MaxModIntsPerSec * ModAdjValue) / 100;
- }
-
- /*
- ** Check if we exceed boundaries...
- */
- if ( (NewMaxModIntsPerSec > M_DIMINFO.MaxModIntsPerSecUpperLimit) ||
- (NewMaxModIntsPerSec < M_DIMINFO.MaxModIntsPerSecLowerLimit)) {
- if (M_DIMINFO.DisplayStats) {
- printk("Cannot change ModTim from %i to %i ints/sec\n",
- M_DIMINFO.MaxModIntsPerSec, NewMaxModIntsPerSec);
- }
- return;
- } else {
- if (M_DIMINFO.DisplayStats) {
- printk("Resized ModTim from %i to %i ints/sec\n",
- M_DIMINFO.MaxModIntsPerSec, NewMaxModIntsPerSec);
- }
- }
-
- M_DIMINFO.MaxModIntsPerSec = NewMaxModIntsPerSec;
-
- if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
- ModBase = C_CLK_FREQ_GENESIS / pAC->DynIrqModInfo.MaxModIntsPerSec;
- } else {
- ModBase = C_CLK_FREQ_YUKON / pAC->DynIrqModInfo.MaxModIntsPerSec;
- }
-
- /*
- ** We do not need to touch any other registers
- */
- SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase);
-}
-
-/*******************************************************************************
-** Function : DisplaySelectedModerationType()
-** Description : Displays what type of moderation we have
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : void!
-** Notes : -
-*******************************************************************************/
-
-static void
-DisplaySelectedModerationType(SK_AC *pAC) {
-
- if (pAC->DynIrqModInfo.DisplayStats) {
- if (pAC->DynIrqModInfo.IntModTypeSelect == C_INT_MOD_STATIC) {
- printk("Static int moderation runs with %i INTS/sec\n",
- pAC->DynIrqModInfo.MaxModIntsPerSec);
- } else if (pAC->DynIrqModInfo.IntModTypeSelect == C_INT_MOD_DYNAMIC) {
- if (IsIntModEnabled(pAC)) {
- printk("Dynamic int moderation runs with %i INTS/sec\n",
- pAC->DynIrqModInfo.MaxModIntsPerSec);
- } else {
- printk("Dynamic int moderation currently not applied\n");
- }
- } else {
- printk("No interrupt moderation selected!\n");
- }
- }
-}
-
-/*******************************************************************************
-** Function : DisplaySelectedModerationMask()
-** Description : Displays what interrupts are moderated
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : void!
-** Notes : -
-*******************************************************************************/
-
-static void
-DisplaySelectedModerationMask(SK_AC *pAC) {
-
- if (pAC->DynIrqModInfo.DisplayStats) {
- if (pAC->DynIrqModInfo.IntModTypeSelect != C_INT_MOD_NONE) {
- switch (pAC->DynIrqModInfo.MaskIrqModeration) {
- case IRQ_MASK_TX_ONLY:
- printk("Only Tx-interrupts are moderated\n");
- break;
- case IRQ_MASK_RX_ONLY:
- printk("Only Rx-interrupts are moderated\n");
- break;
- case IRQ_MASK_SP_ONLY:
- printk("Only special-interrupts are moderated\n");
- break;
- case IRQ_MASK_TX_RX:
- printk("Tx- and Rx-interrupts are moderated\n");
- break;
- case IRQ_MASK_SP_RX:
- printk("Special- and Rx-interrupts are moderated\n");
- break;
- case IRQ_MASK_SP_TX:
- printk("Special- and Tx-interrupts are moderated\n");
- break;
- case IRQ_MASK_RX_TX_SP:
- printk("All Rx-, Tx and special-interrupts are moderated\n");
- break;
- default:
- printk("Don't know what is moderated\n");
- break;
- }
- } else {
- printk("No specific interrupts masked for moderation\n");
- }
- }
-}
-
-/*******************************************************************************
-** Function : DisplayDescrRatio
-** Description : Like the name states...
-** Programmer : Ralph Roesler
-** Last Modified: 23-mar-03
-** Returns : void!
-** Notes : -
-*******************************************************************************/
-
-static void
-DisplayDescrRatio(SK_AC *pAC) {
- int TotalMaxNbrDescr = 0;
-
- if (pAC->DynIrqModInfo.DisplayStats) {
- TotalMaxNbrDescr = pAC->RxDescrPerRing * GetRxCalls(pAC);
- printk("Ratio descriptors: %i/%i\n",
- M_DIMINFO.NbrProcessedDescr, TotalMaxNbrDescr);
- }
-}
-
-/*******************************************************************************
-**
-** End of file
-**
-*******************************************************************************/