Changeset 24455 in vbox

Timestamp:

Nov 6, 2009 3:46:29 PM (15 years ago)

Author:

vboxsync

Message:

PCNet: drop RX packets if the link is down

File:

• trunk/src/VBox/Devices/Network/DevPCNet.cpp (modified) (3 diffs)

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

@@ -617 +617 @@
 #endif
 static void pcnetPollTimerStart(PCNetState *pThis);
+
+/**
+ * Checks if the link is up.
+ * @returns true if the link is up.
+ * @returns false if the link is down.
+ */
+DECLINLINE(bool) pcnetIsLinkUp(PCNetState *pThis)
+{
+    return pThis->pDrv && !pThis->fLinkTempDown && pThis->fLinkUp;
+}
 
 /**
@@ -1849 +1859 @@
         return;
 
+    /*
+     * Drop packets if the cable is not connected
+     */
+    if (!pcnetIsLinkUp(pThis))
+        return;
+
     Log(("#%d pcnetReceiveNoSync: size=%d\n", PCNET_INST_NR, cbToRecv));
 
@@ -2037 +2053 @@
     pcnetPollRxTx(pThis);
     pcnetUpdateIrq(pThis);
-}
-
-
-/**
- * Checks if the link is up.
- * @returns true if the link is up.
- * @returns false if the link is down.
- */
-DECLINLINE(bool) pcnetIsLinkUp(PCNetState *pThis)
-{
-    return pThis->pDrv && !pThis->fLinkTempDown && pThis->fLinkUp;
 }