diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 814879f91f76..9e54f953634b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -440,6 +440,33 @@ static int stmmac_nway_reset(struct net_device *dev) return phylink_ethtool_nway_reset(priv->phylink); } +static void stmmac_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct stmmac_priv *priv = netdev_priv(netdev); + + ring->rx_max_pending = DMA_MAX_RX_SIZE; + ring->tx_max_pending = DMA_MAX_TX_SIZE; + ring->rx_pending = priv->dma_rx_size; + ring->tx_pending = priv->dma_tx_size; +} + +static int stmmac_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + if (ring->rx_mini_pending || ring->rx_jumbo_pending || + ring->rx_pending < DMA_MIN_RX_SIZE || + ring->rx_pending > DMA_MAX_RX_SIZE || + !is_power_of_2(ring->rx_pending) || + ring->tx_pending < DMA_MIN_TX_SIZE || + ring->tx_pending > DMA_MAX_TX_SIZE || + !is_power_of_2(ring->tx_pending)) + return -EINVAL; + + return stmmac_reinit_ringparam(netdev, ring->rx_pending, + ring->tx_pending); +} + static void stmmac_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) @@ -843,6 +870,30 @@ static int stmmac_set_rxfh(struct net_device *dev, const u32 *indir, priv->plat->rx_queues_to_use); } +static void stmmac_get_channels(struct net_device *dev, + struct ethtool_channels *chan) +{ + struct stmmac_priv *priv = netdev_priv(dev); + + chan->rx_count = priv->plat->rx_queues_to_use; + chan->tx_count = priv->plat->tx_queues_to_use; + chan->max_rx = priv->dma_cap.number_rx_queues; + chan->max_tx = priv->dma_cap.number_tx_queues; +} + +static int stmmac_set_channels(struct net_device *dev, + struct ethtool_channels *chan) +{ + struct stmmac_priv *priv = netdev_priv(dev); + + if (chan->rx_count > priv->dma_cap.number_rx_queues || + chan->tx_count > priv->dma_cap.number_tx_queues || + !chan->rx_count || !chan->tx_count) + return -EINVAL; + + return stmmac_reinit_queues(dev, chan->rx_count, chan->tx_count); +} + static int stmmac_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { @@ -926,6 +977,8 @@ static const struct ethtool_ops stmmac_ethtool_ops = { .get_regs_len = stmmac_ethtool_get_regs_len, .get_link = ethtool_op_get_link, .nway_reset = stmmac_nway_reset, + .get_ringparam = stmmac_get_ringparam, + .set_ringparam = stmmac_set_ringparam, .get_pauseparam = stmmac_get_pauseparam, .set_pauseparam = stmmac_set_pauseparam, .self_test = stmmac_selftest_run, @@ -944,6 +997,8 @@ static const struct ethtool_ops stmmac_ethtool_ops = { .get_ts_info = stmmac_get_ts_info, .get_coalesce = stmmac_get_coalesce, .set_coalesce = stmmac_set_coalesce, + .get_channels = stmmac_get_channels, + .set_channels = stmmac_set_channels, .get_tunable = stmmac_get_tunable, .set_tunable = stmmac_set_tunable, .get_link_ksettings = stmmac_ethtool_get_link_ksettings, |