stmmac: Move the STMicroelectronics driver

Move the STMicroelectronics driver into driver/net/ethernet/stmicro/ and
make the necessary Kconfig and Makefile changes.

CC: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 359 deletions

diff --git a/drivers/net/stmmac/stmmac_ethtool.c b/drivers/net/stmmac/stmmac_ethtool.c
deleted file mode 100644
index 7ed8fb6c2117..000000000000
--- a/drivers/net/stmmac/stmmac_ethtool.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/*******************************************************************************
-  STMMAC Ethtool support
-
-  Copyright (C) 2007-2009  STMicroelectronics Ltd
-
-  This program is free software; you can redistribute it and/or modify it
-  under the terms and conditions of the GNU General Public License,
-  version 2, as published by the Free Software Foundation.
-
-  This program is distributed in the hope 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.
-
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
-  The full GNU General Public License is included in this distribution in
-  the file called "COPYING".
-
-  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
-*******************************************************************************/
-
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/interrupt.h>
-#include <linux/mii.h>
-#include <linux/phy.h>
-#include <asm/io.h>
-
-#include "stmmac.h"
-#include "dwmac_dma.h"
-
-#define REG_SPACE_SIZE	0x1054
-#define MAC100_ETHTOOL_NAME	"st_mac100"
-#define GMAC_ETHTOOL_NAME	"st_gmac"
-
-struct stmmac_stats {
-	char stat_string[ETH_GSTRING_LEN];
-	int sizeof_stat;
-	int stat_offset;
-};
-
-#define STMMAC_STAT(m)	\
-	{ #m, FIELD_SIZEOF(struct stmmac_extra_stats, m),	\
-	offsetof(struct stmmac_priv, xstats.m)}
-
-static const struct  stmmac_stats stmmac_gstrings_stats[] = {
-	STMMAC_STAT(tx_underflow),
-	STMMAC_STAT(tx_carrier),
-	STMMAC_STAT(tx_losscarrier),
-	STMMAC_STAT(tx_heartbeat),
-	STMMAC_STAT(tx_deferred),
-	STMMAC_STAT(tx_vlan),
-	STMMAC_STAT(rx_vlan),
-	STMMAC_STAT(tx_jabber),
-	STMMAC_STAT(tx_frame_flushed),
-	STMMAC_STAT(tx_payload_error),
-	STMMAC_STAT(tx_ip_header_error),
-	STMMAC_STAT(rx_desc),
-	STMMAC_STAT(rx_partial),
-	STMMAC_STAT(rx_runt),
-	STMMAC_STAT(rx_toolong),
-	STMMAC_STAT(rx_collision),
-	STMMAC_STAT(rx_crc),
-	STMMAC_STAT(rx_length),
-	STMMAC_STAT(rx_mii),
-	STMMAC_STAT(rx_multicast),
-	STMMAC_STAT(rx_gmac_overflow),
-	STMMAC_STAT(rx_watchdog),
-	STMMAC_STAT(da_rx_filter_fail),
-	STMMAC_STAT(sa_rx_filter_fail),
-	STMMAC_STAT(rx_missed_cntr),
-	STMMAC_STAT(rx_overflow_cntr),
-	STMMAC_STAT(tx_undeflow_irq),
-	STMMAC_STAT(tx_process_stopped_irq),
-	STMMAC_STAT(tx_jabber_irq),
-	STMMAC_STAT(rx_overflow_irq),
-	STMMAC_STAT(rx_buf_unav_irq),
-	STMMAC_STAT(rx_process_stopped_irq),
-	STMMAC_STAT(rx_watchdog_irq),
-	STMMAC_STAT(tx_early_irq),
-	STMMAC_STAT(fatal_bus_error_irq),
-	STMMAC_STAT(threshold),
-	STMMAC_STAT(tx_pkt_n),
-	STMMAC_STAT(rx_pkt_n),
-	STMMAC_STAT(poll_n),
-	STMMAC_STAT(sched_timer_n),
-	STMMAC_STAT(normal_irq_n),
-};
-#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
-
-static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
-				      struct ethtool_drvinfo *info)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-
-	if (!priv->plat->has_gmac)
-		strcpy(info->driver, MAC100_ETHTOOL_NAME);
-	else
-		strcpy(info->driver, GMAC_ETHTOOL_NAME);
-
-	strcpy(info->version, DRV_MODULE_VERSION);
-	info->fw_version[0] = '\0';
-	info->n_stats = STMMAC_STATS_LEN;
-}
-
-static int stmmac_ethtool_getsettings(struct net_device *dev,
-				      struct ethtool_cmd *cmd)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	struct phy_device *phy = priv->phydev;
-	int rc;
-	if (phy == NULL) {
-		pr_err("%s: %s: PHY is not registered\n",
-		       __func__, dev->name);
-		return -ENODEV;
-	}
-	if (!netif_running(dev)) {
-		pr_err("%s: interface is disabled: we cannot track "
-		"link speed / duplex setting\n", dev->name);
-		return -EBUSY;
-	}
-	cmd->transceiver = XCVR_INTERNAL;
-	spin_lock_irq(&priv->lock);
-	rc = phy_ethtool_gset(phy, cmd);
-	spin_unlock_irq(&priv->lock);
-	return rc;
-}
-
-static int stmmac_ethtool_setsettings(struct net_device *dev,
-				      struct ethtool_cmd *cmd)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	struct phy_device *phy = priv->phydev;
-	int rc;
-
-	spin_lock(&priv->lock);
-	rc = phy_ethtool_sset(phy, cmd);
-	spin_unlock(&priv->lock);
-
-	return rc;
-}
-
-static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	return priv->msg_enable;
-}
-
-static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	priv->msg_enable = level;
-
-}
-
-static int stmmac_check_if_running(struct net_device *dev)
-{
-	if (!netif_running(dev))
-		return -EBUSY;
-	return 0;
-}
-
-static int stmmac_ethtool_get_regs_len(struct net_device *dev)
-{
-	return REG_SPACE_SIZE;
-}
-
-static void stmmac_ethtool_gregs(struct net_device *dev,
-			  struct ethtool_regs *regs, void *space)
-{
-	int i;
-	u32 *reg_space = (u32 *) space;
-
-	struct stmmac_priv *priv = netdev_priv(dev);
-
-	memset(reg_space, 0x0, REG_SPACE_SIZE);
-
-	if (!priv->plat->has_gmac) {
-		/* MAC registers */
-		for (i = 0; i < 12; i++)
-			reg_space[i] = readl(priv->ioaddr + (i * 4));
-		/* DMA registers */
-		for (i = 0; i < 9; i++)
-			reg_space[i + 12] =
-			    readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
-		reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
-		reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
-	} else {
-		/* MAC registers */
-		for (i = 0; i < 55; i++)
-			reg_space[i] = readl(priv->ioaddr + (i * 4));
-		/* DMA registers */
-		for (i = 0; i < 22; i++)
-			reg_space[i + 55] =
-			    readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
-	}
-}
-
-static void
-stmmac_get_pauseparam(struct net_device *netdev,
-		      struct ethtool_pauseparam *pause)
-{
-	struct stmmac_priv *priv = netdev_priv(netdev);
-
-	spin_lock(&priv->lock);
-
-	pause->rx_pause = 0;
-	pause->tx_pause = 0;
-	pause->autoneg = priv->phydev->autoneg;
-
-	if (priv->flow_ctrl & FLOW_RX)
-		pause->rx_pause = 1;
-	if (priv->flow_ctrl & FLOW_TX)
-		pause->tx_pause = 1;
-
-	spin_unlock(&priv->lock);
-}
-
-static int
-stmmac_set_pauseparam(struct net_device *netdev,
-		      struct ethtool_pauseparam *pause)
-{
-	struct stmmac_priv *priv = netdev_priv(netdev);
-	struct phy_device *phy = priv->phydev;
-	int new_pause = FLOW_OFF;
-	int ret = 0;
-
-	spin_lock(&priv->lock);
-
-	if (pause->rx_pause)
-		new_pause |= FLOW_RX;
-	if (pause->tx_pause)
-		new_pause |= FLOW_TX;
-
-	priv->flow_ctrl = new_pause;
-	phy->autoneg = pause->autoneg;
-
-	if (phy->autoneg) {
-		if (netif_running(netdev))
-			ret = phy_start_aneg(phy);
-	} else
-		priv->hw->mac->flow_ctrl(priv->ioaddr, phy->duplex,
-					 priv->flow_ctrl, priv->pause);
-	spin_unlock(&priv->lock);
-	return ret;
-}
-
-static void stmmac_get_ethtool_stats(struct net_device *dev,
-				 struct ethtool_stats *dummy, u64 *data)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	int i;
-
-	/* Update HW stats if supported */
-	priv->hw->dma->dma_diagnostic_fr(&dev->stats, (void *) &priv->xstats,
-					 priv->ioaddr);
-
-	for (i = 0; i < STMMAC_STATS_LEN; i++) {
-		char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
-		data[i] = (stmmac_gstrings_stats[i].sizeof_stat ==
-		sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
-	}
-}
-
-static int stmmac_get_sset_count(struct net_device *netdev, int sset)
-{
-	switch (sset) {
-	case ETH_SS_STATS:
-		return STMMAC_STATS_LEN;
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
-	int i;
-	u8 *p = data;
-
-	switch (stringset) {
-	case ETH_SS_STATS:
-		for (i = 0; i < STMMAC_STATS_LEN; i++) {
-			memcpy(p, stmmac_gstrings_stats[i].stat_string,
-				ETH_GSTRING_LEN);
-			p += ETH_GSTRING_LEN;
-		}
-		break;
-	default:
-		WARN_ON(1);
-		break;
-	}
-}
-
-/* Currently only support WOL through Magic packet. */
-static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-
-	spin_lock_irq(&priv->lock);
-	if (device_can_wakeup(priv->device)) {
-		wol->supported = WAKE_MAGIC | WAKE_UCAST;
-		wol->wolopts = priv->wolopts;
-	}
-	spin_unlock_irq(&priv->lock);
-}
-
-static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct stmmac_priv *priv = netdev_priv(dev);
-	u32 support = WAKE_MAGIC | WAKE_UCAST;
-
-	if (!device_can_wakeup(priv->device))
-		return -EINVAL;
-
-	if (wol->wolopts & ~support)
-		return -EINVAL;
-
-	if (wol->wolopts) {
-		pr_info("stmmac: wakeup enable\n");
-		device_set_wakeup_enable(priv->device, 1);
-		enable_irq_wake(dev->irq);
-	} else {
-		device_set_wakeup_enable(priv->device, 0);
-		disable_irq_wake(dev->irq);
-	}
-
-	spin_lock_irq(&priv->lock);
-	priv->wolopts = wol->wolopts;
-	spin_unlock_irq(&priv->lock);
-
-	return 0;
-}
-
-static struct ethtool_ops stmmac_ethtool_ops = {
-	.begin = stmmac_check_if_running,
-	.get_drvinfo = stmmac_ethtool_getdrvinfo,
-	.get_settings = stmmac_ethtool_getsettings,
-	.set_settings = stmmac_ethtool_setsettings,
-	.get_msglevel = stmmac_ethtool_getmsglevel,
-	.set_msglevel = stmmac_ethtool_setmsglevel,
-	.get_regs = stmmac_ethtool_gregs,
-	.get_regs_len = stmmac_ethtool_get_regs_len,
-	.get_link = ethtool_op_get_link,
-	.get_pauseparam = stmmac_get_pauseparam,
-	.set_pauseparam = stmmac_set_pauseparam,
-	.get_ethtool_stats = stmmac_get_ethtool_stats,
-	.get_strings = stmmac_get_strings,
-	.get_wol = stmmac_get_wol,
-	.set_wol = stmmac_set_wol,
-	.get_sset_count	= stmmac_get_sset_count,
-};
-
-void stmmac_set_ethtool_ops(struct net_device *netdev)
-{
-	SET_ETHTOOL_OPS(netdev, &stmmac_ethtool_ops);
-}