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Commit 7709b4c1 authored by Alexander Duyck's avatar Alexander Duyck Committed by Jeff Kirsher
Browse files

i40evf: Add support for netpoll 



Signed-off-by: default avatarAlexander Duyck <aduyck@mirantis.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 8b650359

drivers/net/ethernet/intel/i40evf/i40evf_main.c

+26 −0
Original line number Diff line number Diff line
@@ -444,6 +444,29 @@ static int i40evf_map_rings_to_vectors(struct i40evf_adapter *adapter) 
	return err;

}



#ifdef CONFIG_NET_POLL_CONTROLLER

/**

 * i40evf_netpoll - A Polling 'interrupt' handler

 * @netdev: network interface device structure

 *

 * This is used by netconsole to send skbs without having to re-enable

 * interrupts.  It's not called while the normal interrupt routine is executing.

 **/

static void i40evf_netpoll(struct net_device *netdev)

{

	struct i40evf_adapter *adapter = netdev_priv(netdev);

	int q_vectors = adapter->num_msix_vectors - NONQ_VECS;

	int i;



	/* if interface is down do nothing */

	if (test_bit(__I40E_DOWN, &adapter->vsi.state))

		return;



	for (i = 0; i < q_vectors; i++)

		i40evf_msix_clean_rings(0, adapter->q_vector[i]);

}



#endif

/**

 * i40evf_request_traffic_irqs - Initialize MSI-X interrupts

 * @adapter: board private structure
@@ -2049,6 +2072,9 @@ static const struct net_device_ops i40evf_netdev_ops = { 
	.ndo_tx_timeout		= i40evf_tx_timeout,

	.ndo_vlan_rx_add_vid	= i40evf_vlan_rx_add_vid,

	.ndo_vlan_rx_kill_vid	= i40evf_vlan_rx_kill_vid,

#ifdef CONFIG_NET_POLL_CONTROLLER

	.ndo_poll_controller	= i40evf_netpoll,

#endif

};



/**