diff options
Diffstat (limited to 'target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c')
-rw-r--r-- | target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c new file mode 100644 index 0000000000..2cd7b1be83 --- /dev/null +++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ethtool.c @@ -0,0 +1,108 @@ +/* + * Atheros AR71xx built-in ethernet mac driver + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Based on Atheros' AG7100 driver + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ag71xx.h" + +static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev) +{ + struct ag71xx *ag = netdev_priv(dev); + + return ag->msg_enable; +} + +static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level) +{ + struct ag71xx *ag = netdev_priv(dev); + + ag->msg_enable = msg_level; +} + +static void ag71xx_ethtool_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *er) +{ + struct ag71xx *ag = netdev_priv(dev); + + er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX; + er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX; + er->rx_mini_max_pending = 0; + er->rx_jumbo_max_pending = 0; + + er->tx_pending = BIT(ag->tx_ring.order); + er->rx_pending = BIT(ag->rx_ring.order); + er->rx_mini_pending = 0; + er->rx_jumbo_pending = 0; + + if (ag->tx_ring.desc_split) + er->tx_pending /= AG71XX_TX_RING_DS_PER_PKT; +} + +static int ag71xx_ethtool_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *er) +{ + struct ag71xx *ag = netdev_priv(dev); + unsigned tx_size; + unsigned rx_size; + int err = 0; + + if (er->rx_mini_pending != 0|| + er->rx_jumbo_pending != 0 || + er->rx_pending == 0 || + er->tx_pending == 0) + return -EINVAL; + + tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ? + er->tx_pending : AG71XX_TX_RING_SIZE_MAX; + + rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ? + er->rx_pending : AG71XX_RX_RING_SIZE_MAX; + + if (netif_running(dev)) { + err = dev->netdev_ops->ndo_stop(dev); + if (err) + return err; + } + + if (ag->tx_ring.desc_split) + tx_size *= AG71XX_TX_RING_DS_PER_PKT; + + ag->tx_ring.order = ag71xx_ring_size_order(tx_size); + ag->rx_ring.order = ag71xx_ring_size_order(rx_size); + + if (netif_running(dev)) + err = dev->netdev_ops->ndo_open(dev); + + return err; +} + +static int ag71xx_ethtool_nway_reset(struct net_device *dev) +{ + struct ag71xx *ag = netdev_priv(dev); + struct phy_device *phydev = ag->phy_dev; + + if (!phydev) + return -ENODEV; + + return genphy_restart_aneg(phydev); +} + +struct ethtool_ops ag71xx_ethtool_ops = { + .get_msglevel = ag71xx_ethtool_get_msglevel, + .set_msglevel = ag71xx_ethtool_set_msglevel, + .get_ringparam = ag71xx_ethtool_get_ringparam, + .set_ringparam = ag71xx_ethtool_set_ringparam, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, + .get_link = ethtool_op_get_link, + .get_ts_info = ethtool_op_get_ts_info, + .nway_reset = ag71xx_ethtool_nway_reset, +}; |