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_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 3c614c3..088611b 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -706,6 +706,30 @@
return rv;
}
+int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd)
+{
+ nx_nic_req_t req;
+ u64 word;
+ int rv;
+
+ memset(&req, 0, sizeof(nx_nic_req_t));
+ req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
+
+ word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
+ req.req_hdr = cpu_to_le64(word);
+
+ req.words[0] = cpu_to_le64(cmd);
+ req.words[1] = cpu_to_le64(ip);
+
+ rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+ if (rv != 0) {
+ printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n",
+ adapter->netdev->name,
+ (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
+ }
+ return rv;
+}
+
int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
{
nx_nic_req_t req;