Changeset 20672 in vbox for trunk/src/VBox/Devices/Network/DevE1000.cpp

Timestamp:

Jun 17, 2009 3:52:28 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

48771

Message:

NetworkAttachment: support for e1k driver

File:

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

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

@@ -5036 +5036 @@
 }
 
+
+#ifdef VBOX_DYNAMIC_NET_ATTACH
+/**
+ * Detach notification.
+ *
+ * One port on the network card has been disconnected from the network.
+ *
+ * @param   pDevIns     The device instance.
+ * @param   iLUN        The logical unit which is being detached.
+ */
+static DECLCALLBACK(void) e1kDetach(PPDMDEVINS pDevIns, unsigned iLUN)
+{
+    E1KSTATE *pState = PDMINS_2_DATA(pDevIns, E1KSTATE*);
+    Log(("%s e1kDetach:\n", INSTANCE(pState)));
+
+    AssertLogRelReturnVoid(iLUN == 0);
+
+    PDMCritSectEnter(&pState->cs, VERR_SEM_BUSY);
+
+    /** @todo: r=pritesh still need to check if i missed
+     * to clean something in this function
+     */
+
+    /*
+     * Zero some important members.
+     */
+    pState->pDrvBase = NULL;
+    pState->pDrv = NULL;
+
+    PDMCritSectLeave(&pState->cs);
+}
+
+
+/**
+ * Attach the Network attachment.
+ *
+ * One port on the network card has been connected to a network.
+ *
+ * @returns VBox status code.
+ * @param   pDevIns     The device instance.
+ * @param   iLUN        The logical unit which is being attached.
+ *
+ * @remarks This code path is not used during construction.
+ */
+static DECLCALLBACK(int) e1kAttach(PPDMDEVINS pDevIns, unsigned iLUN)
+{
+    E1KSTATE *pState = PDMINS_2_DATA(pDevIns, E1KSTATE*);
+    LogFlow(("%s e1kAttach:\n",  INSTANCE(pState)));
+
+    AssertLogRelReturn(iLUN == 0, VERR_PDM_NO_SUCH_LUN);
+
+    PDMCritSectEnter(&pState->cs, VERR_SEM_BUSY);
+
+    /*
+     * Attach the driver.
+     */
+    int rc = PDMDevHlpDriverAttach(pDevIns, 0, &pState->IBase, &pState->pDrvBase, "Network Port");
+    if (RT_SUCCESS(rc))
+    {
+        if (rc == VINF_NAT_DNS)
+        {
+#ifdef RT_OS_LINUX
+            PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "NoDNSforNAT",
+                                       N_("A Domain Name Server (DNS) for NAT networking could not be determined. Please check your /etc/resolv.conf for <tt>nameserver</tt> entries. Either add one manually (<i>man resolv.conf</i>) or ensure that your host is correctly connected to an ISP. If you ignore this warning the guest will not be able to perform nameserver lookups and it will probably observe delays if trying so"));
+#else
+            PDMDevHlpVMSetRuntimeError(pDevIns, 0 /*fFlags*/, "NoDNSforNAT",
+                                       N_("A Domain Name Server (DNS) for NAT networking could not be determined. Ensure that your host is correctly connected to an ISP. If you ignore this warning the guest will not be able to perform nameserver lookups and it will probably observe delays if trying so"));
+#endif
+        }
+        pState->pDrv = (PPDMINETWORKCONNECTOR)pState->pDrvBase->pfnQueryInterface(pState->pDrvBase, PDMINTERFACE_NETWORK_CONNECTOR);
+        if (!pState->pDrv)
+        {
+            AssertMsgFailed(("Failed to obtain the PDMINTERFACE_NETWORK_CONNECTOR interface!\n"));
+            rc = VERR_PDM_MISSING_INTERFACE_BELOW;
+        }
+    }
+    else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
+        Log(("%s No attached driver!\n", INSTANCE(pState)));
+
+
+    /*
+     * Temporary set the link down if it was up so that the guest
+     * will know that we have change the configuration of the
+     * network card
+     */
+    if ((STATUS & STATUS_LU) && RT_SUCCESS(rc))
+    {
+        STATUS &= ~STATUS_LU;
+        Phy::setLinkStatus(&pState->phy, false);
+        e1kRaiseInterrupt(pState, ICR_LSC);
+        /* Restore the link back in 5 second. */
+        e1kArmTimer(pState, pState->pLUTimer, 5000000);
+    }
+
+    PDMCritSectLeave(&pState->cs);
+    return rc;
+
+}
+#endif /* VBOX_DYNAMIC_NET_ATTACH */
+
+
 /**
  * @copydoc FNPDMDEVPOWEROFF
@@ -5089 +5190 @@
     /* Resume notification - optional. */
     NULL,
+#ifdef VBOX_DYNAMIC_NET_ATTACH
+    /* Attach command - optional. */
+    e1kAttach,
+    /* Detach notification - optional. */
+    e1kDetach,
+#else /* !VBOX_DYNAMIC_NET_ATTACH */
     /* Attach command - optional. */
     NULL,
     /* Detach notification - optional. */
     NULL,
+#endif /* !VBOX_DYNAMIC_NET_ATTACH */
     /* Query a LUN base interface - optional. */
     NULL,