2 * Atheros AR71xx built-in ethernet mac driver
4 * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 * Based on Atheros' AG7100 driver
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.
15 #include <linux/version.h>
17 static void ag71xx_ethtool_get_drvinfo(struct net_device *dev,
18 struct ethtool_drvinfo *info)
20 struct ag71xx *ag = netdev_priv(dev);
22 strcpy(info->driver, ag->pdev->dev.driver->name);
23 strcpy(info->version, AG71XX_DRV_VERSION);
24 strcpy(info->bus_info, dev_name(&ag->pdev->dev));
27 static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev)
29 struct ag71xx *ag = netdev_priv(dev);
31 return ag->msg_enable;
34 static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level)
36 struct ag71xx *ag = netdev_priv(dev);
38 ag->msg_enable = msg_level;
41 static void ag71xx_ethtool_get_ringparam(struct net_device *dev,
42 struct ethtool_ringparam *er)
44 struct ag71xx *ag = netdev_priv(dev);
46 er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX;
47 er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX;
48 er->rx_mini_max_pending = 0;
49 er->rx_jumbo_max_pending = 0;
51 er->tx_pending = BIT(ag->tx_ring.order);
52 er->rx_pending = BIT(ag->rx_ring.order);
53 er->rx_mini_pending = 0;
54 er->rx_jumbo_pending = 0;
56 if (ag->tx_ring.desc_split)
57 er->tx_pending /= AG71XX_TX_RING_DS_PER_PKT;
60 static int ag71xx_ethtool_set_ringparam(struct net_device *dev,
61 struct ethtool_ringparam *er)
63 struct ag71xx *ag = netdev_priv(dev);
68 if (er->rx_mini_pending != 0||
69 er->rx_jumbo_pending != 0 ||
70 er->rx_pending == 0 ||
74 tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ?
75 er->tx_pending : AG71XX_TX_RING_SIZE_MAX;
77 rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ?
78 er->rx_pending : AG71XX_RX_RING_SIZE_MAX;
80 if (netif_running(dev)) {
81 err = dev->netdev_ops->ndo_stop(dev);
86 if (ag->tx_ring.desc_split)
87 tx_size *= AG71XX_TX_RING_DS_PER_PKT;
89 ag->tx_ring.order = ag71xx_ring_size_order(tx_size);
90 ag->rx_ring.order = ag71xx_ring_size_order(rx_size);
92 if (netif_running(dev))
93 err = dev->netdev_ops->ndo_open(dev);
98 static int ag71xx_ethtool_nway_reset(struct net_device *dev)
100 struct ag71xx *ag = netdev_priv(dev);
101 struct phy_device *phydev = ag->phy_dev;
106 return genphy_restart_aneg(phydev);
109 struct ethtool_ops ag71xx_ethtool_ops = {
110 .get_drvinfo = ag71xx_ethtool_get_drvinfo,
111 .get_msglevel = ag71xx_ethtool_get_msglevel,
112 .set_msglevel = ag71xx_ethtool_set_msglevel,
113 .get_ringparam = ag71xx_ethtool_get_ringparam,
114 .set_ringparam = ag71xx_ethtool_set_ringparam,
115 .get_link_ksettings = phy_ethtool_get_link_ksettings,
116 .set_link_ksettings = phy_ethtool_set_link_ksettings,
117 .get_link = ethtool_op_get_link,
118 .get_ts_info = ethtool_op_get_ts_info,
119 .nway_reset = ag71xx_ethtool_nway_reset,