[PATCH net-next 5/6] qede: Add support for nway_reset

[Yuval Mintz]

From: Sudarsana Kalluru <sudarsana.kall...@qlogic.com>

Signed-off-by: Sudarsana Kalluru <sudarsana.kall...@qlogic.com>
Signed-off-by: Yuval Mintz <yuval.mi...@qlogic.com>
---
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c 
b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index b90d880..9b0bf12 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -322,6 +322,30 @@ static void qede_set_msglevel(struct net_device *ndev, u32 
level)
                                         dp_module, dp_level);
 }
 
+static int qede_nway_reset(struct net_device *dev)
+{
+       struct qede_dev *edev = netdev_priv(dev);
+       struct qed_link_output current_link;
+       struct qed_link_params link_params;
+
+       if (!netif_running(dev))
+               return 0;
+
+       memset(&current_link, 0, sizeof(current_link));
+       edev->ops->common->get_link(edev->cdev, &current_link);
+       if (!current_link.link_up)
+               return 0;
+
+       /* Toggle the link */
+       memset(&link_params, 0, sizeof(link_params));
+       link_params.link_up = false;
+       edev->ops->common->set_link(edev->cdev, &link_params);
+       link_params.link_up = true;
+       edev->ops->common->set_link(edev->cdev, &link_params);
+
+       return 0;
+}
+
 static u32 qede_get_link(struct net_device *dev)
 {
        struct qede_dev *edev = netdev_priv(dev);
@@ -493,6 +517,7 @@ static const struct ethtool_ops qede_ethtool_ops = {
        .get_drvinfo = qede_get_drvinfo,
        .get_msglevel = qede_get_msglevel,
        .set_msglevel = qede_set_msglevel,
+       .nway_reset = qede_nway_reset,
        .get_link = qede_get_link,
        .get_ringparam = qede_get_ringparam,
        .set_ringparam = qede_set_ringparam,
-- 
1.9.3

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