netxen: async link event handling
Add support for asynchronous events from firmware,
received over one of the rx rings.
Add support for event based phy interrupts, enhanced links
status reporting from firmware.
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 8416962..33444a2 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -731,6 +731,28 @@
return rv;
}
+int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
+{
+ 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_GET_LINKEVENT | ((u64)adapter->portnum << 16);
+ req.req_hdr = cpu_to_le64(word);
+ req.words[0] = cpu_to_le64(enable);
+
+ rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+ if (rv != 0) {
+ printk(KERN_ERR "%s: could not configure link notification\n",
+ adapter->netdev->name);
+ }
+
+ return rv;
+}
+
/*
* netxen_nic_change_mtu - Change the Maximum Transfer Unit
* @returns 0 on success, negative on failure