netxen: enable ip addr hashing

NX3031 hardware requires local IP addresses for packet
accumulation (LRO). IP address hashing is required to
distinguish a local TCP flow from others (forwarded or
guest).

This patch adds listener for IP and netdev events and
configures IP address in the firmware.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index f86e050..6b9e759 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -380,6 +380,7 @@
 };
 
 /* opcode field in status_desc */
+#define NETXEN_NIC_SYN_OFFLOAD  0x03
 #define NETXEN_NIC_RXPKT_DESC  0x04
 #define NETXEN_OLD_RXPKT_DESC  0x3f
 #define NETXEN_NIC_RESPONSE_DESC 0x05
@@ -1078,6 +1079,9 @@
 
 #define NX_MAC_EVENT		0x1
 
+#define NX_IP_UP		2
+#define NX_IP_DOWN		3
+
 /*
  * Driver --> Firmware
  */
@@ -1443,6 +1447,7 @@
 int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32);
 int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
 int netxen_config_rss(struct netxen_adapter *adapter, int enable);
+int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd);
 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable);
 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);