Thread (14 messages) 14 messages, 4 authors, 2014-01-08

Re: [net-next 4/8] i40evf: virtual channel interface

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From: Ben Hutchings <hidden>
Date: 2014-01-08 14:16:34

On Tue, 2013-12-31 at 16:53 -0800, Jeff Kirsher wrote:
[...]
quoted hunk ↗ jump to hunk
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
[...]
quoted hunk ↗ jump to hunk
+void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
+				enum i40e_virtchnl_ops v_opcode,
+				i40e_status v_retval,
+				u8 *msg, u16 msglen)
+{
+	struct net_device *netdev = adapter->netdev;
+
+	if (v_opcode == I40E_VIRTCHNL_OP_EVENT) {
+		struct i40e_virtchnl_pf_event *vpe =
+			(struct i40e_virtchnl_pf_event *)msg;
+		switch (vpe->event) {
+		case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
+			adapter->link_up =
+				vpe->event_data.link_event.link_status;
+			if (adapter->link_up && !netif_carrier_ok(netdev)) {
+				dev_info(&adapter->pdev->dev, "NIC Link is Up\n");
+				netif_carrier_on(netdev);
+				netif_tx_wake_all_queues(netdev);
+			} else if (!adapter->link_up) {
+				dev_info(&adapter->pdev->dev, "NIC Link is Down\n");
+				netif_carrier_off(netdev);
+				netif_tx_stop_all_queues(netdev);
+			}
[...]

The queue start/stop here should be redundant as linkwatch will do it
automatically.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
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