Changeset 8599 in vbox for trunk/src

Timestamp:

May 5, 2008 2:33:41 PM (17 years ago)

Author:

vboxsync

Message:

PCNet: fix for broken hostif for with certain guests

File:

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

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

@@ -1581 +1581 @@
     pData->aCSR[0] &= ~0x0004;       /* clear STOP bit */
     pData->aCSR[0] |=  0x0002;       /* STRT */
+    pcnetPollTimer(pData);           /* start timer if it was stopped */
 }
 
@@ -2565 +2566 @@
     pcnetUpdateIrq(pData);
 
-    if (RT_LIKELY(!CSR_STOP(pData) && !CSR_SPND(pData) && !CSR_DPOLL(pData)))
+    /* If the receive thread is waiting for new descriptors, poll TX/RX even if polling
+     * disabled. We wouldn't need to poll for new TX descriptors in that case but it will
+     * not hurt as waiting for RX descriptors should occur very seldom */
+    if (   RT_UNLIKELY(pData->fMaybeOutOfSpace)
+        || RT_LIKELY(!CSR_STOP(pData) && !CSR_SPND(pData) && !CSR_DPOLL(pData)))
     {
         /* We ensure that we poll at least every 2ms (500Hz) but not more often than