Changeset 792 in vbox for trunk/src/VBox

Timestamp:

Feb 8, 2007 5:45:16 PM (18 years ago)

Author:

vboxsync

Message:

Check link states when sending data.

Location:

trunk/src/VBox/Devices/Network

Files:

• DevPCNet.cpp (modified) (1 diff)
• DrvNAT.cpp (modified) (4 diffs)

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

@@ -2184 +2184 @@
         AssertReleaseRC(rc);
 
-        rc = pcnetAsyncTransmit(pData);
+        if (pData->fLinkUp)
+            rc = pcnetAsyncTransmit(pData);
         PDMCritSectLeave(&pData->CritSect);
     }

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

@@ -57 +57 @@
     /** Slirp critical section. */
     RTCRITSECT              CritSect;
+    /** Link state */
+    PDMNETWORKLINKSTATE     enmLinkState;
 } DRVNAT, *PDRVNAT;
 
@@ -99 +101 @@
     AssertReleaseRC(rc);
 
-    slirp_input((uint8_t *)pvBuf, cb);
+    Assert(pData->enmLinkState == PDMNETWORKLINKSTATE_UP);
+    if (pData->enmLinkState == PDMNETWORKLINKSTATE_UP)
+        slirp_input((uint8_t *)pvBuf, cb);
     RTCritSectLeave(&pData->CritSect);
     LogFlow(("drvNATSend: end\n"));
@@ -138 +142 @@
     int rc = RTCritSectEnter(&pData->CritSect);
     AssertReleaseRC(rc);
+    pData->enmLinkState = enmLinkState;
+
     switch (enmLinkState)
     {
@@ -439 +445 @@
                     pDrvIns->pDrvHlp->pfnPDMPollerRegister(pDrvIns, drvNATPoller);
                     g_pDrv = pData;
+
+                    pData->enmLinkState = PDMNETWORKLINKSTATE_UP;
 #if 0
                     RTSemEventSignal(g_EventSem);