Changeset 88372 in vbox for trunk/src/VBox/Devices/Network

Timestamp:

Apr 6, 2021 6:17:00 PM (4 years ago)

Author:

vboxsync

Message:

Dev/E1000: (bugref:9850) Relax RDT checks a tiny bit to fix OS/2 guest regression caused by r141975.

File:

• trunk/src/VBox/Devices/Network/DevE1000.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Network/DevE1000.cpp

@@ -1738 +1738 @@
         return VINF_SUCCESS;
     }
-    if (pContext->rdt >= cRxRingSize)
-    {
-        Log(("%s e1kUpdateRxDContext: called from %s, will return false because RDT too big (%u >= %u)\n",
+    if (pContext->rdt > cRxRingSize)
+    {
+        Log(("%s e1kUpdateRxDContext: called from %s, will return false because RDT too big (%u > %u)\n",
              pThis->szPrf, pcszCallee, pContext->rdt, cRxRingSize));
         return VINF_SUCCESS;
@@ -1747 +1747 @@
     RT_NOREF(pcszCallee);
 #endif /* !DEBUG */
-    return pContext->rdh < cRxRingSize && pContext->rdt < cRxRingSize; // && (RCTL & RCTL_EN);
+    return pContext->rdh < cRxRingSize && pContext->rdt <= cRxRingSize; // && (RCTL & RCTL_EN);
 }
 #endif /* E1K_WITH_RXD_CACHE */