Changeset 805 in vbox

Timestamp:

Feb 9, 2007 11:17:17 AM (18 years ago)

Author:

vboxsync

Message:

Corrected link restoration again

File:

• trunk/src/VBox/Devices/Network/DevPCNet.cpp (modified) (4 diffs)

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

@@ -119 +119 @@
 #define MII_MAX_REG                     32
 #define CSR_MAX_REG                     128
+
+/* Maximum number of times we report a link down to the guest (failure to send frame) */
+#define PCNET_MAX_LINKDOWN_REPORTED     3
 
 /* Frame cache */
@@ -1993 +1996 @@
             break;
 
+        /* Don't continue sending packets when the link is down. */
+        if (RT_UNLIKELY(   !pcnetIsLinkUp(pData)
+                        &&  pData->cLinkDownReported > PCNET_MAX_LINKDOWN_REPORTED)
+            )
+            break;
+
 #ifdef PCNET_DEBUG_TMD
         Log2(("#%d TMDLOAD 0x%08x\n", PCNETSTATE_2_DEVINS(pData)->iInstance, PHYSADDR(pData, CSR_CXDA(pData))));
@@ -2184 +2193 @@
         AssertReleaseRC(rc);
 
-        if (RT_LIKELY(pcnetIsLinkUp(pData)))
-            rc = pcnetAsyncTransmit(pData);
+        rc = pcnetAsyncTransmit(pData);
         PDMCritSectLeave(&pData->CritSect);
     }
@@ -3231 +3239 @@
 
     rc = VERR_GENERAL_FAILURE;
-    if (pData->cLinkDownReported <= 3)
+    if (pData->cLinkDownReported <= PCNET_MAX_LINKDOWN_REPORTED)
         rc = TMTimerSetMillies(pData->pTimerRestore, 1500);
     if (VBOX_FAILURE(rc))