netxen: fix promisc mode, mtu setting

For NX3031, multicast filtering, promisc mode, and max frame size
setting is handled by firmware, driver needs to send request to
enable/disable it.

For old chip revisions / firmware, driver still sets it directly.

Added function pointer to set mtu according to chip revision.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c
index c9493e2..27f07f6 100644
--- a/drivers/net/netxen/netxen_nic_niu.c
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -764,7 +764,7 @@
 
 /* Set promiscuous mode for a GbE interface */
 int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
-				    netxen_niu_prom_mode_t mode)
+		u32 mode)
 {
 	__u32 reg;
 	u32 port = adapter->physical_port;
@@ -906,7 +906,7 @@
 #endif  /*  0  */
 
 int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
-				       netxen_niu_prom_mode_t mode)
+		u32 mode)
 {
 	__u32 reg;
 	u32 port = adapter->physical_port;