| 1 | /* |
| 2 | * Atheros AR71xx built-in ethernet mac driver |
| 3 | * |
| 4 | * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
| 6 | * |
| 7 | * Based on Atheros' AG7100 driver |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License version 2 as published |
| 11 | * by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include "ag71xx.h" |
| 15 | |
| 16 | static int ag71xx_ethtool_get_settings(struct net_device *dev, |
| 17 | struct ethtool_cmd *cmd) |
| 18 | { |
| 19 | struct ag71xx *ag = netdev_priv(dev); |
| 20 | struct phy_device *phydev = ag->phy_dev; |
| 21 | |
| 22 | if (!phydev) |
| 23 | return -ENODEV; |
| 24 | |
| 25 | return phy_ethtool_gset(phydev, cmd); |
| 26 | } |
| 27 | |
| 28 | static int ag71xx_ethtool_set_settings(struct net_device *dev, |
| 29 | struct ethtool_cmd *cmd) |
| 30 | { |
| 31 | struct ag71xx *ag = netdev_priv(dev); |
| 32 | struct phy_device *phydev = ag->phy_dev; |
| 33 | |
| 34 | if (!phydev) |
| 35 | return -ENODEV; |
| 36 | |
| 37 | return phy_ethtool_sset(phydev, cmd); |
| 38 | } |
| 39 | |
| 40 | static void ag71xx_ethtool_get_drvinfo(struct net_device *dev, |
| 41 | struct ethtool_drvinfo *info) |
| 42 | { |
| 43 | struct ag71xx *ag = netdev_priv(dev); |
| 44 | |
| 45 | strcpy(info->driver, ag->pdev->dev.driver->name); |
| 46 | strcpy(info->version, AG71XX_DRV_VERSION); |
| 47 | strcpy(info->bus_info, dev_name(&ag->pdev->dev)); |
| 48 | } |
| 49 | |
| 50 | static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev) |
| 51 | { |
| 52 | struct ag71xx *ag = netdev_priv(dev); |
| 53 | |
| 54 | return ag->msg_enable; |
| 55 | } |
| 56 | |
| 57 | static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level) |
| 58 | { |
| 59 | struct ag71xx *ag = netdev_priv(dev); |
| 60 | |
| 61 | ag->msg_enable = msg_level; |
| 62 | } |
| 63 | |
| 64 | static void ag71xx_ethtool_get_ringparam(struct net_device *dev, |
| 65 | struct ethtool_ringparam *er) |
| 66 | { |
| 67 | struct ag71xx *ag = netdev_priv(dev); |
| 68 | |
| 69 | er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX; |
| 70 | er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX; |
| 71 | er->rx_mini_max_pending = 0; |
| 72 | er->rx_jumbo_max_pending = 0; |
| 73 | |
| 74 | er->tx_pending = ag->tx_ring.size; |
| 75 | er->rx_pending = ag->rx_ring.size; |
| 76 | er->rx_mini_pending = 0; |
| 77 | er->rx_jumbo_pending = 0; |
| 78 | } |
| 79 | |
| 80 | static int ag71xx_ethtool_set_ringparam(struct net_device *dev, |
| 81 | struct ethtool_ringparam *er) |
| 82 | { |
| 83 | struct ag71xx *ag = netdev_priv(dev); |
| 84 | unsigned tx_size; |
| 85 | unsigned rx_size; |
| 86 | int err; |
| 87 | |
| 88 | if (er->rx_mini_pending != 0|| |
| 89 | er->rx_jumbo_pending != 0 || |
| 90 | er->rx_pending == 0 || |
| 91 | er->tx_pending == 0) |
| 92 | return -EINVAL; |
| 93 | |
| 94 | tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ? |
| 95 | er->tx_pending : AG71XX_TX_RING_SIZE_MAX; |
| 96 | |
| 97 | rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ? |
| 98 | er->rx_pending : AG71XX_RX_RING_SIZE_MAX; |
| 99 | |
| 100 | if (netif_running(dev)) { |
| 101 | err = dev->netdev_ops->ndo_stop(dev); |
| 102 | if (err) |
| 103 | return err; |
| 104 | } |
| 105 | |
| 106 | ag->tx_ring.size = tx_size; |
| 107 | ag->rx_ring.size = rx_size; |
| 108 | |
| 109 | if (netif_running(dev)) |
| 110 | err = dev->netdev_ops->ndo_open(dev); |
| 111 | |
| 112 | return err; |
| 113 | } |
| 114 | |
| 115 | struct ethtool_ops ag71xx_ethtool_ops = { |
| 116 | .set_settings = ag71xx_ethtool_set_settings, |
| 117 | .get_settings = ag71xx_ethtool_get_settings, |
| 118 | .get_drvinfo = ag71xx_ethtool_get_drvinfo, |
| 119 | .get_msglevel = ag71xx_ethtool_get_msglevel, |
| 120 | .set_msglevel = ag71xx_ethtool_set_msglevel, |
| 121 | .get_ringparam = ag71xx_ethtool_get_ringparam, |
| 122 | .set_ringparam = ag71xx_ethtool_set_ringparam, |
| 123 | .get_link = ethtool_op_get_link, |
| 124 | }; |
| 125 | |
