--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include "mtk_eth_soc.h"
+
+static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
+#define _FE(x...) # x,
+FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+static int fe_get_link_ksettings(struct net_device *ndev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ return -ENODEV;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ if (phy_read_status(priv->phy_dev))
+ return -ENODEV;
+ }
+
+ phy_ethtool_ksettings_get(ndev->phydev, cmd);
+
+ return 0;
+}
+
+static int fe_set_link_ksettings(struct net_device *ndev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ goto out_sset;
+
+ if (cmd->base.phy_address != priv->phy_dev->mdio.addr) {
+ if (priv->phy->phy_node[cmd->base.phy_address]) {
+ priv->phy_dev = priv->phy->phy[cmd->base.phy_address];
+ priv->phy_flags = FE_PHY_FLAG_PORT;
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address)) {
+ priv->phy_dev = mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address);
+ priv->phy_flags = FE_PHY_FLAG_ATTACH;
+ } else {
+ goto out_sset;
+ }
+ }
+
+ return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+
+out_sset:
+ return -ENODEV;
+}
+
+static void fe_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_soc_data *soc = priv->soc;
+
+ strlcpy(info->driver, priv->device->driver->name, sizeof(info->driver));
+ strlcpy(info->version, MTK_FE_DRV_VERSION, sizeof(info->version));
+ strlcpy(info->bus_info, dev_name(priv->device), sizeof(info->bus_info));
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
+ info->n_stats = ARRAY_SIZE(fe_gdma_str);
+}
+
+static u32 fe_get_msglevel(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ return priv->msg_enable;
+}
+
+static void fe_set_msglevel(struct net_device *dev, u32 value)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ priv->msg_enable = value;
+}
+
+static int fe_nway_reset(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (!priv->phy_dev)
+ goto out_nway_reset;
+
+ return genphy_restart_aneg(priv->phy_dev);
+
+out_nway_reset:
+ return -EOPNOTSUPP;
+}
+
+static u32 fe_get_link(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int err;
+
+ if (!priv->phy_dev)
+ goto out_get_link;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ err = genphy_update_link(priv->phy_dev);
+ if (err)
+ goto out_get_link;
+ }
+
+ return priv->phy_dev->link;
+
+out_get_link:
+ return ethtool_op_get_link(dev);
+}
+
+static int fe_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if ((ring->tx_pending < 2) ||
+ (ring->rx_pending < 2) ||
+ (ring->rx_pending > MAX_DMA_DESC) ||
+ (ring->tx_pending > MAX_DMA_DESC))
+ return -EINVAL;
+
+ dev->netdev_ops->ndo_stop(dev);
+
+ priv->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1);
+ priv->rx_ring.rx_ring_size = BIT(fls(ring->rx_pending) - 1);
+
+ dev->netdev_ops->ndo_open(dev);
+
+ return 0;
+}
+
+static void fe_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ ring->rx_max_pending = MAX_DMA_DESC;
+ ring->tx_max_pending = MAX_DMA_DESC;
+ ring->rx_pending = priv->rx_ring.rx_ring_size;
+ ring->tx_pending = priv->tx_ring.tx_ring_size;
+}
+
+static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
+ break;
+ }
+}
+
+static int fe_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(fe_gdma_str);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void fe_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ u64 *data_src, *data_dst;
+ unsigned int start;
+ int i;
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock(&hwstats->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock(&hwstats->stats_lock);
+ }
+ }
+
+ do {
+ data_src = &hwstats->tx_bytes;
+ data_dst = data;
+ start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+
+ for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
+ *data_dst++ = *data_src++;
+
+ } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+}
+
+static struct ethtool_ops fe_ethtool_ops = {
+ .get_link_ksettings = fe_get_link_ksettings,
+ .set_link_ksettings = fe_set_link_ksettings,
+ .get_drvinfo = fe_get_drvinfo,
+ .get_msglevel = fe_get_msglevel,
+ .set_msglevel = fe_set_msglevel,
+ .nway_reset = fe_nway_reset,
+ .get_link = fe_get_link,
+ .set_ringparam = fe_set_ringparam,
+ .get_ringparam = fe_get_ringparam,
+};
+
+void fe_set_ethtool_ops(struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+ struct fe_soc_data *soc = priv->soc;
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
+ fe_ethtool_ops.get_strings = fe_get_strings;
+ fe_ethtool_ops.get_sset_count = fe_get_sset_count;
+ fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
+ }
+
+ netdev->ethtool_ops = &fe_ethtool_ops;
+}
projects / openwrt / staging / kaloz.git / blobdiff