Changeset 718 in vbox

Timestamp:

Feb 6, 2007 4:38:46 PM (18 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

18360

Message:

Update

File:

• trunk/src/VBox/Devices/Network/DevPCNet.cpp (modified) (5 diffs)

trunk/src/VBox/Devices/Network/DevPCNet.cpp

@@ -225 +225 @@
     PDMCRITSECT                         CritSect;
 
+    /** Pending send packet counter. */
+    uint32_t                            cPendingSends;
+
 #ifdef PCNET_NO_POLLING
     RTGCPHYS                            TDRAPhysOld;
@@ -263 +266 @@
     STAMPROFILEADV                      StatRdtePollHC;
     STAMCOUNTER                         aStatXmitChainCounts[8];
+    STAMCOUNTER                         StatXmitSkipCurrent;
     STAMPROFILEADV                      StatInterrupt;
     STAMPROFILEADV                      StatPollTimer;
@@ -1787 +1791 @@
     NOREF(pItem);
 
+    /* Clear counter .*/
+    ASMAtomicAndU32(&pData->cPendingSends, 0);
     int rc = RTSemEventSignal(pData->hSendEventSem);
     AssertRC(rc);
@@ -1931 +1937 @@
     pcnetXmitFlushFrames(pData);
 #else
+
+#if 1
     PPDMQUEUEITEMCORE pItem = PDMQueueAlloc(CTXSUFF(pData->pXmitQueue));
-    if (RT_LIKELY(pItem))
+    if (RT_UNLIKELY(pItem))
         PDMQueueInsert(CTXSUFF(pData->pXmitQueue), pItem);
+#else
+    if (ASMAtomicIncU32(&pData->cPendingSends) < 16)
+    {
+        PPDMQUEUEITEMCORE pItem = PDMQueueAlloc(CTXSUFF(pData->pXmitQueue));
+        if (RT_UNLIKELY(pItem))
+            PDMQueueInsert(CTXSUFF(pData->pXmitQueue), pItem);
+    }
+    else
+        PDMQueueFlush(CTXSUFF(pData->pXmitQueue));
+#endif
 #endif
 }
@@ -4150 +4168 @@
         PDMDevHlpSTAMRegisterF(pDevIns, &pData->aStatXmitChainCounts[i], STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "",                                  "/Devices/PCNet%d/XmitChainCounts/%d", iInstance, i + 1);
     PDMDevHlpSTAMRegisterF(pDevIns, &pData->aStatXmitChainCounts[i], STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,    "",                                   "/Devices/PCNet%d/XmitChainCounts/%d+", iInstance, i + 1);
+    PDMDevHlpSTAMRegisterF(pDevIns, &pData->StatXmitSkipCurrent,    STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES,    "",                                    "/Devices/PCNet%d/Xmit/Skipped", iInstance, i + 1);
+    
     PDMDevHlpSTAMRegisterF(pDevIns, &pData->StatInterrupt,          STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL, "Profiling PCNet interrupt checks",   "/Devices/PCNet%d/Interrupt", iInstance);
     PDMDevHlpSTAMRegisterF(pDevIns, &pData->StatPollTimer,          STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL, "Profiling PCNet poll timer",         "/Devices/PCNet%d/PollTimer", iInstance);