[linux-2.6-block.git] / drivers / net / gianfar_ethtool.c

/*
 *  drivers/net/gianfar_ethtool.c
 *
 *  Gianfar Ethernet Driver
 *  Ethtool support for Gianfar Enet
 *  Based on e1000 ethtool support
 *
 *  Author: Andy Fleming
 *  Maintainer: Kumar Gala
 *
 *  Copyright (c) 2003,2004 Freescale Semiconductor, Inc.
 *
 *  This software may be used and distributed according to
 *  the terms of the GNU Public License, Version 2, incorporated herein
 *  by reference.
 */

#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <linux/module.h>
#include <linux/crc32.h>
#include <asm/types.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/phy.h>

#include "gianfar.h"

extern void gfar_start(struct net_device *dev);
extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit);

#define GFAR_MAX_COAL_USECS 0xffff
#define GFAR_MAX_COAL_FRAMES 0xff
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
		     u64 * buf);
static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo);

static char stat_gstrings[][ETH_GSTRING_LEN] = {
	"rx-dropped-by-kernel",
	"rx-large-frame-errors",
	"rx-short-frame-errors",
	"rx-non-octet-errors",
	"rx-crc-errors",
	"rx-overrun-errors",
	"rx-busy-errors",
	"rx-babbling-errors",
	"rx-truncated-frames",
	"ethernet-bus-error",
	"tx-babbling-errors",
	"tx-underrun-errors",
	"rx-skb-missing-errors",
	"tx-timeout-errors",
	"tx-rx-64-frames",
	"tx-rx-65-127-frames",
	"tx-rx-128-255-frames",
	"tx-rx-256-511-frames",
	"tx-rx-512-1023-frames",
	"tx-rx-1024-1518-frames",
	"tx-rx-1519-1522-good-vlan",
	"rx-bytes",
	"rx-packets",
	"rx-fcs-errors",
	"receive-multicast-packet",
	"receive-broadcast-packet",
	"rx-control-frame-packets",
	"rx-pause-frame-packets",
	"rx-unknown-op-code",
	"rx-alignment-error",
	"rx-frame-length-error",
	"rx-code-error",
	"rx-carrier-sense-error",
	"rx-undersize-packets",
	"rx-oversize-packets",
	"rx-fragmented-frames",
	"rx-jabber-frames",
	"rx-dropped-frames",
	"tx-byte-counter",
	"tx-packets",
	"tx-multicast-packets",
	"tx-broadcast-packets",
	"tx-pause-control-frames",
	"tx-deferral-packets",
	"tx-excessive-deferral-packets",
	"tx-single-collision-packets",
	"tx-multiple-collision-packets",
	"tx-late-collision-packets",
	"tx-excessive-collision-packets",
	"tx-total-collision",
	"reserved",
	"tx-dropped-frames",
	"tx-jabber-frames",
	"tx-fcs-errors",
	"tx-control-frames",
	"tx-oversize-frames",
	"tx-undersize-frames",
	"tx-fragmented-frames",
};

/* Fill in a buffer with the strings which correspond to the
 * stats */
static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
		memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
	else
		memcpy(buf, stat_gstrings,
				GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
}

/* Fill in an array of 64-bit statistics from various sources.
 * This array will be appended to the end of the ethtool_stats
 * structure, and returned to user space
 */
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf)
{
	int i;
	struct gfar_private *priv = netdev_priv(dev);
	u64 *extra = (u64 *) & priv->extra_stats;

	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
		u32 __iomem *rmon = (u32 __iomem *) & priv->regs->rmon;
		struct gfar_stats *stats = (struct gfar_stats *) buf;

		for (i = 0; i < GFAR_RMON_LEN; i++)
			stats->rmon[i] = (u64) gfar_read(&rmon[i]);

		for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
			stats->extra[i] = extra[i];
	} else
		for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
			buf[i] = extra[i];
}

static int gfar_sset_count(struct net_device *dev, int sset)
{
	struct gfar_private *priv = netdev_priv(dev);

	switch (sset) {
	case ETH_SS_STATS:
		if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
			return GFAR_STATS_LEN;
		else
			return GFAR_EXTRA_STATS_LEN;
	default:
		return -EOPNOTSUPP;
	}
}

/* Fills in the drvinfo structure with some basic info */
static void gfar_gdrvinfo(struct net_device *dev, struct
	      ethtool_drvinfo *drvinfo)
{
	strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
	strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
	strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN);
	strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN);
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}


static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct gfar_private *priv = netdev_priv(dev);
	struct phy_device *phydev = priv->phydev;

	if (NULL == phydev)
		return -ENODEV;

	return phy_ethtool_sset(phydev, cmd);
}


/* Return the current settings in the ethtool_cmd structure */
static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct gfar_private *priv = netdev_priv(dev);
	struct phy_device *phydev = priv->phydev;

	if (NULL == phydev)
		return -ENODEV;

	cmd->maxtxpkt = get_icft_value(priv->txic);
	cmd->maxrxpkt = get_icft_value(priv->rxic);

	return phy_ethtool_gset(phydev, cmd);
}

/* Return the length of the register structure */
static int gfar_reglen(struct net_device *dev)
{
	return sizeof (struct gfar);
}

/* Return a dump of the GFAR register space */
static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
{
	int i;
	struct gfar_private *priv = netdev_priv(dev);
	u32 __iomem *theregs = (u32 __iomem *) priv->regs;
	u32 *buf = (u32 *) regbuf;

	for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
		buf[i] = gfar_read(&theregs[i]);
}

/* Convert microseconds to ethernet clock ticks, which changes
 * depending on what speed the controller is running at */
static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
{
	unsigned int count;

	/* The timer is different, depending on the interface speed */
	switch (priv->phydev->speed) {
	case SPEED_1000:
		count = GFAR_GBIT_TIME;
		break;
	case SPEED_100:
		count = GFAR_100_TIME;
		break;
	case SPEED_10:
	default:
		count = GFAR_10_TIME;
		break;
	}

	/* Make sure we return a number greater than 0
	 * if usecs > 0 */
	return ((usecs * 1000 + count - 1) / count);
}

/* Convert ethernet clock ticks to microseconds */
static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
{
	unsigned int count;

	/* The timer is different, depending on the interface speed */
	switch (priv->phydev->speed) {
	case SPEED_1000:
		count = GFAR_GBIT_TIME;
		break;
	case SPEED_100:
		count = GFAR_100_TIME;
		break;
	case SPEED_10:
	default:
		count = GFAR_10_TIME;
		break;
	}

	/* Make sure we return a number greater than 0 */
	/* if ticks is > 0 */
	return ((ticks * count) / 1000);
}

/* Get the coalescing parameters, and put them in the cvals
 * structure.  */
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);
	unsigned long rxtime;
	unsigned long rxcount;
	unsigned long txtime;
	unsigned long txcount;

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	if (NULL == priv->phydev)
		return -ENODEV;

	rxtime  = get_ictt_value(priv->rxic);
	rxcount = get_icft_value(priv->rxic);
	txtime  = get_ictt_value(priv->txic);
	txcount = get_icft_value(priv->txic);
	cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
	cvals->rx_max_coalesced_frames = rxcount;

	cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
	cvals->tx_max_coalesced_frames = txcount;

	cvals->use_adaptive_rx_coalesce = 0;
	cvals->use_adaptive_tx_coalesce = 0;

	cvals->pkt_rate_low = 0;
	cvals->rx_coalesce_usecs_low = 0;
	cvals->rx_max_coalesced_frames_low = 0;
	cvals->tx_coalesce_usecs_low = 0;
	cvals->tx_max_coalesced_frames_low = 0;

	/* When the packet rate is below pkt_rate_high but above
	 * pkt_rate_low (both measured in packets per second) the
	 * normal {rx,tx}_* coalescing parameters are used.
	 */

	/* When the packet rate is (measured in packets per second)
	 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
	 * used.
	 */
	cvals->pkt_rate_high = 0;
	cvals->rx_coalesce_usecs_high = 0;
	cvals->rx_max_coalesced_frames_high = 0;
	cvals->tx_coalesce_usecs_high = 0;
	cvals->tx_max_coalesced_frames_high = 0;

	/* How often to do adaptive coalescing packet rate sampling,
	 * measured in seconds.  Must not be zero.
	 */
	cvals->rate_sample_interval = 0;

	return 0;
}

/* Change the coalescing values.
 * Both cvals->*_usecs and cvals->*_frames have to be > 0
 * in order for coalescing to be active
 */
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
		return -EOPNOTSUPP;

	/* Set up rx coalescing */
	if ((cvals->rx_coalesce_usecs == 0) ||
	    (cvals->rx_max_coalesced_frames == 0))
		priv->rxcoalescing = 0;
	else
		priv->rxcoalescing = 1;

	if (NULL == priv->phydev)
		return -ENODEV;

	/* Check the bounds of the values */
	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));

	/* Set up tx coalescing */
	if ((cvals->tx_coalesce_usecs == 0) ||
	    (cvals->tx_max_coalesced_frames == 0))
		priv->txcoalescing = 0;
	else
		priv->txcoalescing = 1;

	/* Check the bounds of the values */
	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
		pr_info("Coalescing is limited to %d microseconds\n",
				GFAR_MAX_COAL_USECS);
		return -EINVAL;
	}

	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
		pr_info("Coalescing is limited to %d frames\n",
				GFAR_MAX_COAL_FRAMES);
		return -EINVAL;
	}

	priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));

	gfar_write(&priv->regs->rxic, 0);
	if (priv->rxcoalescing)
		gfar_write(&priv->regs->rxic, priv->rxic);

	gfar_write(&priv->regs->txic, 0);
	if (priv->txcoalescing)
		gfar_write(&priv->regs->txic, priv->txic);

	return 0;
}

/* Fills in rvals with the current ring parameters.  Currently,
 * rx, rx_mini, and rx_jumbo rings are the same size, as mini and
 * jumbo are ignored by the driver */
static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
{
	struct gfar_private *priv = netdev_priv(dev);

	rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
	rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
	rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
	rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;

	/* Values changeable by the user.  The valid values are
	 * in the range 1 to the "*_max_pending" counterpart above.
	 */
	rvals->rx_pending = priv->rx_ring_size;
	rvals->rx_mini_pending = priv->rx_ring_size;
	rvals->rx_jumbo_pending = priv->rx_ring_size;
	rvals->tx_pending = priv->tx_ring_size;
}

/* Change the current ring parameters, stopping the controller if
 * necessary so that we don't mess things up while we're in
 * motion.  We wait for the ring to be clean before reallocating
 * the rings. */
static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
{
	struct gfar_private *priv = netdev_priv(dev);
	int err = 0;

	if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
		return -EINVAL;

	if (!is_power_of_2(rvals->rx_pending)) {
		printk("%s: Ring sizes must be a power of 2\n",
				dev->name);
		return -EINVAL;
	}

	if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
		return -EINVAL;

	if (!is_power_of_2(rvals->tx_pending)) {
		printk("%s: Ring sizes must be a power of 2\n",
				dev->name);
		return -EINVAL;
	}

	if (dev->flags & IFF_UP) {
		unsigned long flags;

		/* Halt TX and RX, and process the frames which
		 * have already been received */
		spin_lock_irqsave(&priv->txlock, flags);
		spin_lock(&priv->rxlock);

		gfar_halt(dev);

		spin_unlock(&priv->rxlock);
		spin_unlock_irqrestore(&priv->txlock, flags);

		gfar_clean_rx_ring(dev, priv->rx_ring_size);

		/* Now we take down the rings to rebuild them */
		stop_gfar(dev);
	}

	/* Change the size */
	priv->rx_ring_size = rvals->rx_pending;
	priv->tx_ring_size = rvals->tx_pending;
	priv->num_txbdfree = priv->tx_ring_size;

	/* Rebuild the rings with the new size */
	if (dev->flags & IFF_UP) {
		err = startup_gfar(dev);
		netif_wake_queue(dev);
	}
	return err;
}

static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
{
	struct gfar_private *priv = netdev_priv(dev);
	unsigned long flags;
	int err = 0;

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
		return -EOPNOTSUPP;

	if (dev->flags & IFF_UP) {
		/* Halt TX and RX, and process the frames which
		 * have already been received */
		spin_lock_irqsave(&priv->txlock, flags);
		spin_lock(&priv->rxlock);

		gfar_halt(dev);

		spin_unlock(&priv->rxlock);
		spin_unlock_irqrestore(&priv->txlock, flags);

		gfar_clean_rx_ring(dev, priv->rx_ring_size);

		/* Now we take down the rings to rebuild them */
		stop_gfar(dev);
	}

	spin_lock_irqsave(&priv->bflock, flags);
	priv->rx_csum_enable = data;
	spin_unlock_irqrestore(&priv->bflock, flags);

	if (dev->flags & IFF_UP) {
		err = startup_gfar(dev);
		netif_wake_queue(dev);
	}
	return err;
}

static uint32_t gfar_get_rx_csum(struct net_device *dev)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
		return 0;

	return priv->rx_csum_enable;
}

static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
		return -EOPNOTSUPP;

	netif_tx_lock_bh(dev);

	if (data)
		dev->features |= NETIF_F_IP_CSUM;
	else
		dev->features &= ~NETIF_F_IP_CSUM;

	netif_tx_unlock_bh(dev);

	return 0;
}

static uint32_t gfar_get_tx_csum(struct net_device *dev)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
		return 0;

	return (dev->features & NETIF_F_IP_CSUM) != 0;
}

static uint32_t gfar_get_msglevel(struct net_device *dev)
{
	struct gfar_private *priv = netdev_priv(dev);
	return priv->msg_enable;
}

static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
{
	struct gfar_private *priv = netdev_priv(dev);
	priv->msg_enable = data;
}

#ifdef CONFIG_PM
static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct gfar_private *priv = netdev_priv(dev);

	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) {
		wol->supported = WAKE_MAGIC;
		wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0;
	} else {
		wol->supported = wol->wolopts = 0;
	}
}

static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct gfar_private *priv = netdev_priv(dev);
	unsigned long flags;

	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
	    wol->wolopts != 0)
		return -EINVAL;

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	spin_lock_irqsave(&priv->bflock, flags);
	priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0;
	device_set_wakeup_enable(&dev->dev, priv->wol_en);
	spin_unlock_irqrestore(&priv->bflock, flags);

	return 0;
}
#endif

const struct ethtool_ops gfar_ethtool_ops = {
	.get_settings = gfar_gsettings,
	.set_settings = gfar_ssettings,
	.get_drvinfo = gfar_gdrvinfo,
	.get_regs_len = gfar_reglen,
	.get_regs = gfar_get_regs,
	.get_link = ethtool_op_get_link,
	.get_coalesce = gfar_gcoalesce,
	.set_coalesce = gfar_scoalesce,
	.get_ringparam = gfar_gringparam,
	.set_ringparam = gfar_sringparam,
	.get_strings = gfar_gstrings,
	.get_sset_count = gfar_sset_count,
	.get_ethtool_stats = gfar_fill_stats,
	.get_rx_csum = gfar_get_rx_csum,
	.get_tx_csum = gfar_get_tx_csum,
	.set_rx_csum = gfar_set_rx_csum,
	.set_tx_csum = gfar_set_tx_csum,
	.set_sg = ethtool_op_set_sg,
	.get_msglevel = gfar_get_msglevel,
	.set_msglevel = gfar_set_msglevel,
#ifdef CONFIG_PM
	.get_wol = gfar_get_wol,
	.set_wol = gfar_set_wol,
#endif
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* drivers/net/gianfar_ethtool.c
	3	*
	4	* Gianfar Ethernet Driver
	5	* Ethtool support for Gianfar Enet
	6	* Based on e1000 ethtool support
	7	*
	8	* Author: Andy Fleming
4c8d3d99	9	* Maintainer: Kumar Gala
1da177e4 LT	10	*
	11	* Copyright (c) 2003,2004 Freescale Semiconductor, Inc.
	12	*
6aa20a22 JG	13	* This software may be used and distributed according to
6aa20a22 JG	14	* the terms of the GNU Public License, Version 2, incorporated herein
1da177e4 LT	15	* by reference.
	16	*/
	17
1da177e4	18	#include <linux/kernel.h>
1da177e4 LT	19	#include <linux/string.h>
	20	#include <linux/errno.h>
	21	#include <linux/slab.h>
	22	#include <linux/interrupt.h>
	23	#include <linux/init.h>
	24	#include <linux/delay.h>
	25	#include <linux/netdevice.h>
	26	#include <linux/etherdevice.h>
	27	#include <linux/skbuff.h>
	28	#include <linux/spinlock.h>
	29	#include <linux/mm.h>
	30
	31	#include <asm/io.h>
	32	#include <asm/irq.h>
	33	#include <asm/uaccess.h>
	34	#include <linux/module.h>
1da177e4 LT	35	#include <linux/crc32.h>
1da177e4 LT	36	#include <asm/types.h>
1da177e4	37	#include <linux/ethtool.h>
bb40dcbb AF	38	#include <linux/mii.h>
bb40dcbb AF	39	#include <linux/phy.h>
1da177e4 LT	40
	41	#include "gianfar.h"
	42
0bbaf069 KG	43	extern void gfar_start(struct net_device *dev);
0bbaf069 KG	44	extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit);
1da177e4	45
bb40dcbb AF	46	#define GFAR_MAX_COAL_USECS 0xffff
bb40dcbb AF	47	#define GFAR_MAX_COAL_FRAMES 0xff
0bbaf069	48	static void gfar_fill_stats(struct net_device dev, struct ethtool_stats dummy,
1da177e4	49	u64 * buf);
0bbaf069 KG	50	static void gfar_gstrings(struct net_device dev, u32 stringset, u8 buf);
	51	static int gfar_gcoalesce(struct net_device dev, struct ethtool_coalesce cvals);
	52	static int gfar_scoalesce(struct net_device dev, struct ethtool_coalesce cvals);
	53	static void gfar_gringparam(struct net_device dev, struct ethtool_ringparam rvals);
	54	static int gfar_sringparam(struct net_device dev, struct ethtool_ringparam rvals);
	55	static void gfar_gdrvinfo(struct net_device dev, struct ethtool_drvinfo drvinfo);
1da177e4 LT	56
	57	static char stat_gstrings[][ETH_GSTRING_LEN] = {
	58	"rx-dropped-by-kernel",
	59	"rx-large-frame-errors",
	60	"rx-short-frame-errors",
	61	"rx-non-octet-errors",
	62	"rx-crc-errors",
	63	"rx-overrun-errors",
	64	"rx-busy-errors",
	65	"rx-babbling-errors",
	66	"rx-truncated-frames",
	67	"ethernet-bus-error",
	68	"tx-babbling-errors",
	69	"tx-underrun-errors",
	70	"rx-skb-missing-errors",
	71	"tx-timeout-errors",
	72	"tx-rx-64-frames",
	73	"tx-rx-65-127-frames",
	74	"tx-rx-128-255-frames",
	75	"tx-rx-256-511-frames",
	76	"tx-rx-512-1023-frames",
	77	"tx-rx-1024-1518-frames",
	78	"tx-rx-1519-1522-good-vlan",
	79	"rx-bytes",
	80	"rx-packets",
	81	"rx-fcs-errors",
	82	"receive-multicast-packet",
	83	"receive-broadcast-packet",
	84	"rx-control-frame-packets",
	85	"rx-pause-frame-packets",
	86	"rx-unknown-op-code",
	87	"rx-alignment-error",
	88	"rx-frame-length-error",
	89	"rx-code-error",
	90	"rx-carrier-sense-error",
	91	"rx-undersize-packets",
	92	"rx-oversize-packets",
	93	"rx-fragmented-frames",
	94	"rx-jabber-frames",
	95	"rx-dropped-frames",
	96	"tx-byte-counter",
	97	"tx-packets",
	98	"tx-multicast-packets",
	99	"tx-broadcast-packets",
	100	"tx-pause-control-frames",
	101	"tx-deferral-packets",
	102	"tx-excessive-deferral-packets",
	103	"tx-single-collision-packets",
	104	"tx-multiple-collision-packets",
	105	"tx-late-collision-packets",
	106	"tx-excessive-collision-packets",
	107	"tx-total-collision",
	108	"reserved",
	109	"tx-dropped-frames",
	110	"tx-jabber-frames",
	111	"tx-fcs-errors",
	112	"tx-control-frames",
	113	"tx-oversize-frames",
	114	"tx-undersize-frames",
	115	"tx-fragmented-frames",
	116	};
	117
0bbaf069 KG	118	/* Fill in a buffer with the strings which correspond to the
	119	* stats */
	120	static void gfar_gstrings(struct net_device dev, u32 stringset, u8 buf)
	121	{
	122	struct gfar_private *priv = netdev_priv(dev);
7f7f5316	123
b31a1d8b	124	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
0bbaf069 KG	125	memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
	126	else
	127	memcpy(buf, stat_gstrings,
	128	GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
	129	}
	130
1da177e4 LT	131	/* Fill in an array of 64-bit statistics from various sources.
	132	* This array will be appended to the end of the ethtool_stats
	133	* structure, and returned to user space
	134	*/
0bbaf069	135	static void gfar_fill_stats(struct net_device dev, struct ethtool_stats dummy, u64 * buf)
1da177e4 LT	136	{
	137	int i;
	138	struct gfar_private *priv = netdev_priv(dev);
1da177e4	139	u64 extra = (u64 ) & priv->extra_stats;
1da177e4	140
b31a1d8b	141	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
cc8c6e37	142	u32 __iomem rmon = (u32 __iomem ) & priv->regs->rmon;
0bbaf069	143	struct gfar_stats stats = (struct gfar_stats ) buf;
1da177e4	144
0bbaf069	145	for (i = 0; i < GFAR_RMON_LEN; i++)
cc8c6e37	146	stats->rmon[i] = (u64) gfar_read(&rmon[i]);
1da177e4	147
0bbaf069 KG	148	for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
	149	stats->extra[i] = extra[i];
	150	} else
	151	for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
	152	buf[i] = extra[i];
1da177e4 LT	153	}
1da177e4 LT	154
b9f2c044	155	static int gfar_sset_count(struct net_device *dev, int sset)
1da177e4	156	{
1da177e4	157	struct gfar_private *priv = netdev_priv(dev);
1da177e4	158
b9f2c044 JG	159	switch (sset) {
b9f2c044 JG	160	case ETH_SS_STATS:
b31a1d8b	161	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
b9f2c044 JG	162	return GFAR_STATS_LEN;
	163	else
	164	return GFAR_EXTRA_STATS_LEN;
	165	default:
	166	return -EOPNOTSUPP;
	167	}
1da177e4 LT	168	}
1da177e4 LT	169
1da177e4	170	/* Fills in the drvinfo structure with some basic info */
0bbaf069	171	static void gfar_gdrvinfo(struct net_device *dev, struct
1da177e4 LT	172	ethtool_drvinfo *drvinfo)
	173	{
	174	strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
	175	strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
	176	strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN);
	177	strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN);
1da177e4 LT	178	drvinfo->regdump_len = 0;
	179	drvinfo->eedump_len = 0;
	180	}
	181
bb40dcbb AF	182
	183	static int gfar_ssettings(struct net_device dev, struct ethtool_cmd cmd)
	184	{
	185	struct gfar_private *priv = netdev_priv(dev);
	186	struct phy_device *phydev = priv->phydev;
	187
	188	if (NULL == phydev)
	189	return -ENODEV;
	190
	191	return phy_ethtool_sset(phydev, cmd);
	192	}
	193
	194
1da177e4	195	/* Return the current settings in the ethtool_cmd structure */
0bbaf069	196	static int gfar_gsettings(struct net_device dev, struct ethtool_cmd cmd)
1da177e4 LT	197	{
1da177e4 LT	198	struct gfar_private *priv = netdev_priv(dev);
bb40dcbb AF	199	struct phy_device *phydev = priv->phydev;
	200
	201	if (NULL == phydev)
	202	return -ENODEV;
6aa20a22	203
b46a8454 DH	204	cmd->maxtxpkt = get_icft_value(priv->txic);
b46a8454 DH	205	cmd->maxrxpkt = get_icft_value(priv->rxic);
1da177e4	206
bb40dcbb	207	return phy_ethtool_gset(phydev, cmd);
1da177e4 LT	208	}
	209
	210	/* Return the length of the register structure */
0bbaf069	211	static int gfar_reglen(struct net_device *dev)
1da177e4 LT	212	{
	213	return sizeof (struct gfar);
	214	}
	215
	216	/* Return a dump of the GFAR register space */
0bbaf069	217	static void gfar_get_regs(struct net_device dev, struct ethtool_regs regs, void *regbuf)
1da177e4 LT	218	{
	219	int i;
	220	struct gfar_private *priv = netdev_priv(dev);
cc8c6e37	221	u32 __iomem theregs = (u32 __iomem ) priv->regs;
1da177e4 LT	222	u32 buf = (u32 ) regbuf;
	223
	224	for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
cc8c6e37	225	buf[i] = gfar_read(&theregs[i]);
1da177e4 LT	226	}
1da177e4 LT	227
1da177e4 LT	228	/* Convert microseconds to ethernet clock ticks, which changes
	229	* depending on what speed the controller is running at */
	230	static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
	231	{
	232	unsigned int count;
	233
	234	/* The timer is different, depending on the interface speed */
bb40dcbb AF	235	switch (priv->phydev->speed) {
bb40dcbb AF	236	case SPEED_1000:
1da177e4 LT	237	count = GFAR_GBIT_TIME;
1da177e4 LT	238	break;
bb40dcbb	239	case SPEED_100:
1da177e4 LT	240	count = GFAR_100_TIME;
1da177e4 LT	241	break;
bb40dcbb	242	case SPEED_10:
1da177e4 LT	243	default:
	244	count = GFAR_10_TIME;
	245	break;
	246	}
	247
	248	/* Make sure we return a number greater than 0
	249	* if usecs > 0 */
	250	return ((usecs * 1000 + count - 1) / count);
	251	}
	252
	253	/* Convert ethernet clock ticks to microseconds */
	254	static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
	255	{
	256	unsigned int count;
	257
	258	/* The timer is different, depending on the interface speed */
bb40dcbb AF	259	switch (priv->phydev->speed) {
bb40dcbb AF	260	case SPEED_1000:
1da177e4 LT	261	count = GFAR_GBIT_TIME;
1da177e4 LT	262	break;
bb40dcbb	263	case SPEED_100:
1da177e4 LT	264	count = GFAR_100_TIME;
1da177e4 LT	265	break;
bb40dcbb	266	case SPEED_10:
1da177e4 LT	267	default:
	268	count = GFAR_10_TIME;
	269	break;
	270	}
	271
	272	/* Make sure we return a number greater than 0 */
	273	/* if ticks is > 0 */
	274	return ((ticks * count) / 1000);
	275	}
	276
	277	/* Get the coalescing parameters, and put them in the cvals
	278	* structure. */
0bbaf069	279	static int gfar_gcoalesce(struct net_device dev, struct ethtool_coalesce cvals)
1da177e4 LT	280	{
1da177e4 LT	281	struct gfar_private *priv = netdev_priv(dev);
b46a8454 DH	282	unsigned long rxtime;
	283	unsigned long rxcount;
	284	unsigned long txtime;
	285	unsigned long txcount;
6aa20a22	286
b31a1d8b	287	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
0bbaf069	288	return -EOPNOTSUPP;
1da177e4	289
bb40dcbb AF	290	if (NULL == priv->phydev)
	291	return -ENODEV;
	292
b46a8454 DH	293	rxtime = get_ictt_value(priv->rxic);
	294	rxcount = get_icft_value(priv->rxic);
	295	txtime = get_ictt_value(priv->txic);
a419aef8	296	txcount = get_icft_value(priv->txic);
b46a8454 DH	297	cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
b46a8454 DH	298	cvals->rx_max_coalesced_frames = rxcount;
1da177e4	299
b46a8454 DH	300	cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
b46a8454 DH	301	cvals->tx_max_coalesced_frames = txcount;
1da177e4 LT	302
	303	cvals->use_adaptive_rx_coalesce = 0;
	304	cvals->use_adaptive_tx_coalesce = 0;
	305
	306	cvals->pkt_rate_low = 0;
	307	cvals->rx_coalesce_usecs_low = 0;
	308	cvals->rx_max_coalesced_frames_low = 0;
	309	cvals->tx_coalesce_usecs_low = 0;
	310	cvals->tx_max_coalesced_frames_low = 0;
	311
	312	/* When the packet rate is below pkt_rate_high but above
	313	* pkt_rate_low (both measured in packets per second) the
	314	* normal {rx,tx}_* coalescing parameters are used.
	315	*/
	316
	317	/* When the packet rate is (measured in packets per second)
	318	* is above pkt_rate_high, the {rx,tx}_*_high parameters are
	319	* used.
	320	*/
	321	cvals->pkt_rate_high = 0;
	322	cvals->rx_coalesce_usecs_high = 0;
	323	cvals->rx_max_coalesced_frames_high = 0;
	324	cvals->tx_coalesce_usecs_high = 0;
	325	cvals->tx_max_coalesced_frames_high = 0;
	326
	327	/* How often to do adaptive coalescing packet rate sampling,
	328	* measured in seconds. Must not be zero.
	329	*/
	330	cvals->rate_sample_interval = 0;
	331
	332	return 0;
	333	}
	334
	335	/* Change the coalescing values.
	336	* Both cvals->_usecs and cvals->_frames have to be > 0
	337	* in order for coalescing to be active
	338	*/
0bbaf069	339	static int gfar_scoalesce(struct net_device dev, struct ethtool_coalesce cvals)
1da177e4 LT	340	{
	341	struct gfar_private *priv = netdev_priv(dev);
	342
b31a1d8b	343	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
0bbaf069 KG	344	return -EOPNOTSUPP;
0bbaf069 KG	345
1da177e4 LT	346	/* Set up rx coalescing */
	347	if ((cvals->rx_coalesce_usecs == 0) \|\|
	348	(cvals->rx_max_coalesced_frames == 0))
	349	priv->rxcoalescing = 0;
	350	else
	351	priv->rxcoalescing = 1;
	352
bb40dcbb AF	353	if (NULL == priv->phydev)
	354	return -ENODEV;
	355
	356	/* Check the bounds of the values */
	357	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
	358	pr_info("Coalescing is limited to %d microseconds\n",
	359	GFAR_MAX_COAL_USECS);
	360	return -EINVAL;
	361	}
	362
	363	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
	364	pr_info("Coalescing is limited to %d frames\n",
	365	GFAR_MAX_COAL_FRAMES);
	366	return -EINVAL;
	367	}
	368
accff95c JW	369	priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
accff95c JW	370	gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
1da177e4 LT	371
	372	/* Set up tx coalescing */
	373	if ((cvals->tx_coalesce_usecs == 0) \|\|
	374	(cvals->tx_max_coalesced_frames == 0))
	375	priv->txcoalescing = 0;
	376	else
	377	priv->txcoalescing = 1;
	378
bb40dcbb AF	379	/* Check the bounds of the values */
	380	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
	381	pr_info("Coalescing is limited to %d microseconds\n",
	382	GFAR_MAX_COAL_USECS);
	383	return -EINVAL;
	384	}
	385
	386	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
	387	pr_info("Coalescing is limited to %d frames\n",
	388	GFAR_MAX_COAL_FRAMES);
	389	return -EINVAL;
	390	}
	391
accff95c JW	392	priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
accff95c JW	393	gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
1da177e4	394
b46a8454	395	gfar_write(&priv->regs->rxic, 0);
1da177e4	396	if (priv->rxcoalescing)
b46a8454	397	gfar_write(&priv->regs->rxic, priv->rxic);
1da177e4	398
b46a8454	399	gfar_write(&priv->regs->txic, 0);
1da177e4	400	if (priv->txcoalescing)
b46a8454	401	gfar_write(&priv->regs->txic, priv->txic);
1da177e4 LT	402
	403	return 0;
	404	}
	405
	406	/* Fills in rvals with the current ring parameters. Currently,
	407	* rx, rx_mini, and rx_jumbo rings are the same size, as mini and
	408	* jumbo are ignored by the driver */
0bbaf069	409	static void gfar_gringparam(struct net_device dev, struct ethtool_ringparam rvals)
1da177e4 LT	410	{
	411	struct gfar_private *priv = netdev_priv(dev);
	412
	413	rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
	414	rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
	415	rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
	416	rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
	417
	418	/* Values changeable by the user. The valid values are
	419	* in the range 1 to the "*_max_pending" counterpart above.
	420	*/
	421	rvals->rx_pending = priv->rx_ring_size;
	422	rvals->rx_mini_pending = priv->rx_ring_size;
	423	rvals->rx_jumbo_pending = priv->rx_ring_size;
	424	rvals->tx_pending = priv->tx_ring_size;
	425	}
	426
	427	/* Change the current ring parameters, stopping the controller if
	428	* necessary so that we don't mess things up while we're in
	429	* motion. We wait for the ring to be clean before reallocating
	430	* the rings. */
0bbaf069	431	static int gfar_sringparam(struct net_device dev, struct ethtool_ringparam rvals)
1da177e4	432	{
1da177e4 LT	433	struct gfar_private *priv = netdev_priv(dev);
	434	int err = 0;
	435
	436	if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
	437	return -EINVAL;
	438
	439	if (!is_power_of_2(rvals->rx_pending)) {
	440	printk("%s: Ring sizes must be a power of 2\n",
	441	dev->name);
	442	return -EINVAL;
	443	}
	444
	445	if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
	446	return -EINVAL;
	447
	448	if (!is_power_of_2(rvals->tx_pending)) {
	449	printk("%s: Ring sizes must be a power of 2\n",
	450	dev->name);
	451	return -EINVAL;
	452	}
	453
0bbaf069 KG	454	if (dev->flags & IFF_UP) {
0bbaf069 KG	455	unsigned long flags;
1da177e4	456
0bbaf069 KG	457	/* Halt TX and RX, and process the frames which
0bbaf069 KG	458	* have already been received */
fef6108d AF	459	spin_lock_irqsave(&priv->txlock, flags);
	460	spin_lock(&priv->rxlock);
	461
0bbaf069	462	gfar_halt(dev);
fef6108d AF	463
	464	spin_unlock(&priv->rxlock);
	465	spin_unlock_irqrestore(&priv->txlock, flags);
1da177e4	466
12dea57b DH	467	gfar_clean_rx_ring(dev, priv->rx_ring_size);
12dea57b DH	468
0bbaf069 KG	469	/* Now we take down the rings to rebuild them */
	470	stop_gfar(dev);
	471	}
1da177e4	472
0bbaf069 KG	473	/* Change the size */
	474	priv->rx_ring_size = rvals->rx_pending;
	475	priv->tx_ring_size = rvals->tx_pending;
4669bc90	476	priv->num_txbdfree = priv->tx_ring_size;
1da177e4	477
0bbaf069	478	/* Rebuild the rings with the new size */
12dea57b	479	if (dev->flags & IFF_UP) {
0bbaf069	480	err = startup_gfar(dev);
12dea57b DH	481	netif_wake_queue(dev);
12dea57b DH	482	}
0bbaf069 KG	483	return err;
0bbaf069 KG	484	}
1da177e4	485
0bbaf069 KG	486	static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
	487	{
	488	struct gfar_private *priv = netdev_priv(dev);
d87eb127	489	unsigned long flags;
0bbaf069	490	int err = 0;
1da177e4	491
b31a1d8b	492	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
0bbaf069 KG	493	return -EOPNOTSUPP;
	494
	495	if (dev->flags & IFF_UP) {
0bbaf069 KG	496	/* Halt TX and RX, and process the frames which
0bbaf069 KG	497	* have already been received */
fef6108d AF	498	spin_lock_irqsave(&priv->txlock, flags);
	499	spin_lock(&priv->rxlock);
	500
0bbaf069	501	gfar_halt(dev);
fef6108d AF	502
	503	spin_unlock(&priv->rxlock);
	504	spin_unlock_irqrestore(&priv->txlock, flags);
0bbaf069	505
12dea57b DH	506	gfar_clean_rx_ring(dev, priv->rx_ring_size);
12dea57b DH	507
0bbaf069	508	/* Now we take down the rings to rebuild them */
1da177e4 LT	509	stop_gfar(dev);
	510	}
	511
d87eb127	512	spin_lock_irqsave(&priv->bflock, flags);
0bbaf069	513	priv->rx_csum_enable = data;
d87eb127	514	spin_unlock_irqrestore(&priv->bflock, flags);
1da177e4	515
12dea57b	516	if (dev->flags & IFF_UP) {
1da177e4	517	err = startup_gfar(dev);
12dea57b DH	518	netif_wake_queue(dev);
12dea57b DH	519	}
1da177e4 LT	520	return err;
	521	}
	522
0bbaf069 KG	523	static uint32_t gfar_get_rx_csum(struct net_device *dev)
	524	{
	525	struct gfar_private *priv = netdev_priv(dev);
	526
b31a1d8b	527	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
0bbaf069 KG	528	return 0;
	529
	530	return priv->rx_csum_enable;
	531	}
	532
	533	static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
	534	{
0bbaf069 KG	535	struct gfar_private *priv = netdev_priv(dev);
0bbaf069 KG	536
b31a1d8b	537	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
0bbaf069 KG	538	return -EOPNOTSUPP;
0bbaf069 KG	539
12dea57b	540	netif_tx_lock_bh(dev);
0bbaf069 KG	541
	542	if (data)
	543	dev->features \|= NETIF_F_IP_CSUM;
	544	else
	545	dev->features &= ~NETIF_F_IP_CSUM;
	546
12dea57b	547	netif_tx_unlock_bh(dev);
0bbaf069 KG	548
	549	return 0;
	550	}
	551
	552	static uint32_t gfar_get_tx_csum(struct net_device *dev)
	553	{
	554	struct gfar_private *priv = netdev_priv(dev);
	555
b31a1d8b	556	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
0bbaf069 KG	557	return 0;
	558
	559	return (dev->features & NETIF_F_IP_CSUM) != 0;
	560	}
	561
	562	static uint32_t gfar_get_msglevel(struct net_device *dev)
6aa20a22	563	{
0bbaf069 KG	564	struct gfar_private *priv = netdev_priv(dev);
0bbaf069 KG	565	return priv->msg_enable;
6aa20a22 JG	566	}
6aa20a22 JG	567
0bbaf069	568	static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
6aa20a22	569	{
0bbaf069 KG	570	struct gfar_private *priv = netdev_priv(dev);
	571	priv->msg_enable = data;
	572	}
	573
d87eb127 SW	574	#ifdef CONFIG_PM
	575	static void gfar_get_wol(struct net_device dev, struct ethtool_wolinfo wol)
	576	{
	577	struct gfar_private *priv = netdev_priv(dev);
	578
b31a1d8b	579	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) {
d87eb127 SW	580	wol->supported = WAKE_MAGIC;
	581	wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0;
	582	} else {
	583	wol->supported = wol->wolopts = 0;
	584	}
	585	}
	586
	587	static int gfar_set_wol(struct net_device dev, struct ethtool_wolinfo wol)
	588	{
	589	struct gfar_private *priv = netdev_priv(dev);
	590	unsigned long flags;
	591
b31a1d8b	592	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
d87eb127 SW	593	wol->wolopts != 0)
	594	return -EINVAL;
	595
	596	if (wol->wolopts & ~WAKE_MAGIC)
	597	return -EINVAL;
	598
	599	spin_lock_irqsave(&priv->bflock, flags);
	600	priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0;
2884e5cc	601	device_set_wakeup_enable(&dev->dev, priv->wol_en);
d87eb127 SW	602	spin_unlock_irqrestore(&priv->bflock, flags);
	603
	604	return 0;
	605	}
	606	#endif
0bbaf069	607
7282d491	608	const struct ethtool_ops gfar_ethtool_ops = {
1da177e4	609	.get_settings = gfar_gsettings,
bb40dcbb	610	.set_settings = gfar_ssettings,
1da177e4 LT	611	.get_drvinfo = gfar_gdrvinfo,
	612	.get_regs_len = gfar_reglen,
	613	.get_regs = gfar_get_regs,
	614	.get_link = ethtool_op_get_link,
	615	.get_coalesce = gfar_gcoalesce,
	616	.set_coalesce = gfar_scoalesce,
	617	.get_ringparam = gfar_gringparam,
	618	.set_ringparam = gfar_sringparam,
	619	.get_strings = gfar_gstrings,
b9f2c044	620	.get_sset_count = gfar_sset_count,
1da177e4	621	.get_ethtool_stats = gfar_fill_stats,
0bbaf069 KG	622	.get_rx_csum = gfar_get_rx_csum,
	623	.get_tx_csum = gfar_get_tx_csum,
	624	.set_rx_csum = gfar_set_rx_csum,
	625	.set_tx_csum = gfar_set_tx_csum,
4669bc90	626	.set_sg = ethtool_op_set_sg,
0bbaf069 KG	627	.get_msglevel = gfar_get_msglevel,
0bbaf069 KG	628	.set_msglevel = gfar_set_msglevel,
d87eb127 SW	629	#ifdef CONFIG_PM
	630	.get_wol = gfar_get_wol,
	631	.set_wol = gfar_set_wol,
	632	#endif
1da177e4	633	};