i40e: Tell the stack about our actual number of queues

Call the netif_set_real* functions in order to make sure
the stack knows about how many queues we have, in order
for RFS/RPS/XFS to work correctly.

Change-Id: Ib7a7b2792f80c5eef210dedf42cc6607d63953d2
Signed-off-by: Anjali Singhai Jain <[email protected]>
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Kavindya Deegala <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index a6291e23fe5f7b7859bf5aa60c749a4149af13ec..9dc5829a4e95a96c89fe6a26a02c1e5af0c59dbf 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3966,6 +3966,15 @@ static int i40e_open(struct net_device *netdev)
        if (err)
                goto err_setup_rx;
 
+       /* Notify the stack of the actual queue counts. */
+       err = netif_set_real_num_tx_queues(netdev, pf->num_tx_queues);
+       if (err)
+               goto err_set_queues;
+
+       err = netif_set_real_num_rx_queues(netdev, pf->num_rx_queues);
+       if (err)
+               goto err_set_queues;
+
        err = i40e_up_complete(vsi);
        if (err)
                goto err_up_complete;
@@ -3982,6 +3991,7 @@ static int i40e_open(struct net_device *netdev)
 
 err_up_complete:
        i40e_down(vsi);
+err_set_queues:
        i40e_vsi_free_irq(vsi);
 err_setup_rx:
        i40e_vsi_free_rx_resources(vsi);