/* Get the coalescing parameters, and put them in the cvals
* structure. */
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_rx_q *rx_queue = NULL;
struct gfar_priv_tx_q *tx_queue = NULL;
unsigned long rxtime;
unsigned long rxcount;
unsigned long txtime;
unsigned long txcount;
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
return -EOPNOTSUPP;
if (NULL == priv->phydev)
return -ENODEV;
rx_queue = priv->rx_queue[0];
tx_queue = priv->tx_queue[0];
rxtime = get_ictt_value(rx_queue->rxic);
rxcount = get_icft_value(rx_queue->rxic);
txtime = get_ictt_value(tx_queue->txic);
txcount = get_icft_value(tx_queue->txic);
cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
cvals->rx_max_coalesced_frames = rxcount;
cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
cvals->tx_max_coalesced_frames = txcount;
cvals->use_adaptive_rx_coalesce = 0;
cvals->use_adaptive_tx_coalesce = 0;
cvals->pkt_rate_low = 0;
cvals->rx_coalesce_usecs_low = 0;
cvals->rx_max_coalesced_frames_low = 0;
cvals->tx_coalesce_usecs_low = 0;
cvals->tx_max_coalesced_frames_low = 0;
/* When the packet rate is below pkt_rate_high but above
* pkt_rate_low (both measured in packets per second) the
* normal {rx,tx}_* coalescing parameters are used.
*/
/* When the packet rate is (measured in packets per second)
* is above pkt_rate_high, the {rx,tx}_*_high parameters are
* used.
*/
cvals->pkt_rate_high = 0;
cvals->rx_coalesce_usecs_high = 0;
cvals->rx_max_coalesced_frames_high = 0;
cvals->tx_coalesce_usecs_high = 0;
cvals->tx_max_coalesced_frames_high = 0;
/* How often to do adaptive coalescing packet rate sampling,
* measured in seconds. Must not be zero.
*/
cvals->rate_sample_interval = 0;
return 0;
}
/* Return the current settings in the ethtool_cmd structure */
static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct gfar_private *priv = netdev_priv(dev);
struct phy_device *phydev = priv->phydev;
if (NULL == phydev)
return -ENODEV;
cmd->maxtxpkt = get_icft_value(priv->txic);
cmd->maxrxpkt = get_icft_value(priv->rxic);
return phy_ethtool_gset(phydev, cmd);
}
/* Return the current settings in the ethtool_cmd structure */
static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct gfar_private *priv = netdev_priv(dev);
struct phy_device *phydev = priv->phydev;
struct gfar_priv_rx_q *rx_queue = NULL;
struct gfar_priv_tx_q *tx_queue = NULL;
if (NULL == phydev)
return -ENODEV;
tx_queue = priv->tx_queue[0];
rx_queue = priv->rx_queue[0];
/* etsec-1.7 and older versions have only one txic
* and rxic regs although they support multiple queues */
cmd->maxtxpkt = get_icft_value(tx_queue->txic);
cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
return phy_ethtool_gset(phydev, cmd);
}
