Changeset 40854 in vbox for trunk/src/VBox/HostDrivers/VBoxNetFlt

Timestamp:

Apr 10, 2012 3:07:40 PM (13 years ago)

Author:

vboxsync

Message:

VBoxNetFlt: ignore loopbacked packets (#4806)

File:

• trunk/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c (modified) (1 diff)

trunk/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c

@@ -780 +780 @@
         return 0;
 
+    if (pBuf->pkt_type == PACKET_LOOPBACK)
+    {
+        /*
+         * We are not interested in loopbacked packets as they will always have
+         * another copy going to the wire.
+         */
+        Log2(("vboxNetFltLinuxPacketHandler: dropped loopback packet (cb=%u)\n", pBuf->len));
+        return 0;
+    }
+
     pThis = VBOX_FLT_PT_TO_INST(pPacketType);
     pDev = ASMAtomicUoReadPtrT(&pThis->u.s.pDev, struct net_device *);