/**
* __i40evf_get_coalesce - get per-queue coalesce settings
* @netdev: the netdev to check
* @ec: ethtool coalesce data structure
* @queue: which queue to pick
*
* Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
* are per queue. If queue is <0 then we default to queue 0 as the
* representative value.
**/
static int __i40evf_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
int queue)
{
struct i40evf_adapter *adapter = netdev_priv(netdev);
struct i40e_vsi *vsi = &adapter->vsi;
struct i40e_ring *rx_ring, *tx_ring;
ec->tx_max_coalesced_frames = vsi->work_limit;
ec->rx_max_coalesced_frames = vsi->work_limit;
/* Rx and Tx usecs per queue value. If user doesn't specify the
* queue, return queue 0's value to represent.
*/
if (queue < 0)
queue = 0;
else if (queue >= adapter->num_active_queues)
return -EINVAL;
rx_ring = &adapter->rx_rings[queue];
tx_ring = &adapter->tx_rings[queue];
if (ITR_IS_DYNAMIC(rx_ring->itr_setting))
ec->use_adaptive_rx_coalesce = 1;
if (ITR_IS_DYNAMIC(tx_ring->itr_setting))
ec->use_adaptive_tx_coalesce = 1;
ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
return 0;
}
/**
* i40evf_get_coalesce - Get interrupt coalescing settings
* @netdev: network interface device structure
* @ec: ethtool coalesce structure
*
* Returns current coalescing settings. This is referred to elsewhere in the
* driver as Interrupt Throttle Rate, as this is how the hardware describes
* this functionality.
**/
static int i40evf_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec)
{
struct i40evf_adapter *adapter = netdev_priv(netdev);
struct i40e_vsi *vsi = &adapter->vsi;
ec->tx_max_coalesced_frames = vsi->work_limit;
ec->rx_max_coalesced_frames = vsi->work_limit;
if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
ec->use_adaptive_rx_coalesce = 1;
if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
ec->use_adaptive_tx_coalesce = 1;
ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
return 0;
}
static int i40e_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec)
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
ec->tx_max_coalesced_frames_irq = vsi->work_limit;
ec->rx_max_coalesced_frames_irq = vsi->work_limit;
if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
ec->rx_coalesce_usecs = 1;
else
ec->rx_coalesce_usecs = vsi->rx_itr_setting;
if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
ec->tx_coalesce_usecs = 1;
else
ec->tx_coalesce_usecs = vsi->tx_itr_setting;
return 0;
}
