Commit ffcdd119 authored by Andrey Turkin's avatar Andrey Turkin Committed by David S. Miller
Browse files

vmxnet3: Implement ethtool's get_channels command 



Some tools (e.g. libxdp) use that information.

Signed-off-by: default avatarAndrey Turkin <andrey.turkin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 50ad649d

drivers/net/vmxnet3/vmxnet3_ethtool.c

+29 −0
Original line number Diff line number Diff line
@@ -1292,6 +1292,34 @@ static int vmxnet3_set_coalesce(struct net_device *netdev, 
	return 0;

}



static void vmxnet3_get_channels(struct net_device *netdev,

				 struct ethtool_channels *ec)

{

	struct vmxnet3_adapter *adapter = netdev_priv(netdev);



	if (IS_ENABLED(CONFIG_PCI_MSI) && adapter->intr.type == VMXNET3_IT_MSIX) {

		if (adapter->share_intr == VMXNET3_INTR_BUDDYSHARE) {

			ec->combined_count = adapter->num_tx_queues;

		} else {

			ec->rx_count = adapter->num_rx_queues;

			ec->tx_count =

				adapter->share_intr == VMXNET3_INTR_TXSHARE ?

					       1 : adapter->num_tx_queues;

		}

	} else {

		ec->combined_count = 1;

	}



	ec->other_count = 1;



	/* Number of interrupts cannot be changed on the fly */

	/* Just set maximums to actual values */

	ec->max_rx = ec->rx_count;

	ec->max_tx = ec->tx_count;

	ec->max_combined = ec->combined_count;

	ec->max_other = ec->other_count;

}



static const struct ethtool_ops vmxnet3_ethtool_ops = {

	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |

				     ETHTOOL_COALESCE_MAX_FRAMES |
@@ -1317,6 +1345,7 @@ static const struct ethtool_ops vmxnet3_ethtool_ops = { 
	.set_rxfh          = vmxnet3_set_rss,

#endif

	.get_link_ksettings = vmxnet3_get_link_ksettings,

	.get_channels      = vmxnet3_get_channels,

};



void vmxnet3_set_ethtool_ops(struct net_device *netdev)