qlcnic: support LED blink for device identification

Added support of device identification by blinking LED for specified time.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 37df5f6cea0..7212319760b 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -618,6 +618,7 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
                      u64 *data)
 {
         memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN);
+
         data[0] = qlcnic_reg_test(dev);
         if (data[0])
                 eth_test->flags |= ETH_TEST_FL_FAILED;
@@ -693,6 +694,30 @@ static int qlcnic_set_tso(struct net_device *dev, u32 data)
         return 0;
 }
 
+static int qlcnic_blink_led(struct net_device *dev, u32 val)
+{
+        struct qlcnic_adapter *adapter = netdev_priv(dev);
+        int ret;
+
+        ret = qlcnic_config_led(adapter, 1, 0xf);
+        if (ret) {
+                dev_err(&adapter->pdev->dev,
+                        "Failed to set LED blink state.\n");
+                return ret;
+        }
+
+        msleep_interruptible(val * 1000);
+
+        ret = qlcnic_config_led(adapter, 0, 0xf);
+        if (ret) {
+                dev_err(&adapter->pdev->dev,
+                        "Failed to reset LED blink state.\n");
+                return ret;
+        }
+
+        return 0;
+}
+
 static void
 qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
@@ -867,4 +892,5 @@ const struct ethtool_ops qlcnic_ethtool_ops = {
         .set_coalesce = qlcnic_set_intr_coalesce,
         .get_flags = ethtool_op_get_flags,
         .set_flags = qlcnic_set_flags,
+        .phys_id = qlcnic_blink_led,
 };