cxgb3: Notify fatal errors

Set up a notification mechanism to inform upper layer modules
(iWARP, iSCSI) of a chip reset due to an EEH event or a fatal error.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 7381f37..f2c7cc3 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2542,6 +2542,12 @@
 {
 	int i, ret = 0;
 
+	if (is_offload(adapter) &&
+	    test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) {
+		cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0);
+		offload_close(&adapter->tdev);
+	}
+
 	/* Stop all ports */
 	for_each_port(adapter, i) {
 		struct net_device *netdev = adapter->port[i];
@@ -2550,10 +2556,6 @@
 			cxgb_close(netdev);
 	}
 
-	if (is_offload(adapter) &&
-	    test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
-		offload_close(&adapter->tdev);
-
 	/* Stop SGE timers */
 	t3_stop_sge_timers(adapter);
 
@@ -2605,6 +2607,9 @@
 			}
 		}
 	}
+
+	if (is_offload(adapter) && !ofld_disable)
+		cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0);
 }
 
 /*