netxen: fix link event handling

Firmware starting 4.0.402 started supporting link events, disable
it for older firmwares.
Signed-off-by: NDhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/netxen/netxen_nic_ethtool.c

@@ -247,6 +247,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
 		case LINKEVENT_MODULE_TWINAX:
 			ecmd->port = PORT_TP;
+			break;
 		default:
 			ecmd->port = -1;
 		}

drivers/net/netxen/netxen_nic_main.c

@@ -797,7 +797,7 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
 	if (adapter->max_sds_rings > 1)
 		netxen_config_rss(adapter, 1);
 
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+	if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
 		netxen_linkevent_request(adapter, 1);
 
 	return 0;

drivers/net/netxen/netxen_nic_phan_reg.h

@@ -126,6 +126,7 @@
 #define CRB_SW_INT_MASK_2	   NETXEN_NIC_REG(0x1e4)
 #define CRB_SW_INT_MASK_3	   NETXEN_NIC_REG(0x1e8)
 
+#define CRB_FW_CAPABILITIES_1      NETXEN_CAM_RAM(0x128)
 #define CRB_MAC_BLOCK_START        NETXEN_CAM_RAM(0x1c0)
 
 /*
@@ -136,7 +137,6 @@
 #define CRB_NIC_CAPABILITIES_FW	  	NETXEN_NIC_REG(0x1dc)
 #define CRB_NIC_MSI_MODE_HOST		NETXEN_NIC_REG(0x270)
 #define CRB_NIC_MSI_MODE_FW	  	NETXEN_NIC_REG(0x274)
-#define CRB_FW_CAPABILITIES_1		NETXEN_NIC_REG(0x128)
 
 #define INTR_SCHEME_PERPORT	      	0x1
 #define MSI_MODE_MULTIFUNC	      	0x1