Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1516 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
new file mode 100644
index 000000000..b2b0d3c26
--- /dev/null
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -0,0 +1,1516 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  drivers/net/ethernet/freescale/gianfar_ethtool.c
+ *
+ *  Gianfar Ethernet Driver
+ *  Ethtool support for Gianfar Enet
+ *  Based on e1000 ethtool support
+ *
+ *  Author: Andy Fleming
+ *  Maintainer: Kumar Gala
+ *  Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
+ *
+ *  Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/net_tstamp.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <linux/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 <linux/sort.h>
+#include <linux/if_vlan.h>
+#include <linux/of_platform.h>
+#include <linux/fsl/ptp_qoriq.h>
+
+#include "gianfar.h"
+
+#define GFAR_MAX_COAL_USECS 0xffff
+#define GFAR_MAX_COAL_FRAMES 0xff
+
+static const char stat_gstrings[][ETH_GSTRING_LEN] = {
+	/* extra stats */
+	"rx-allocation-errors",
+	"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",
+	"tx-timeout-errors",
+	/* rmon stats */
+	"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);
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+	atomic64_t *extra = (atomic64_t *)&priv->extra_stats;
+
+	for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
+		buf[i] = atomic64_read(&extra[i]);
+
+	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
+		u32 __iomem *rmon = (u32 __iomem *) &regs->rmon;
+
+		for (; i < GFAR_STATS_LEN; i++, rmon++)
+			buf[i] = (u64) gfar_read(rmon);
+	}
+}
+
+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)
+{
+	strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
+}
+
+/* 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->gfargrp[0].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)
+{
+	struct net_device *ndev = priv->ndev;
+	struct phy_device *phydev = ndev->phydev;
+	unsigned int count;
+
+	/* The timer is different, depending on the interface speed */
+	switch (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 DIV_ROUND_UP(usecs * 1000, count);
+}
+
+/* Convert ethernet clock ticks to microseconds */
+static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
+				     unsigned int ticks)
+{
+	struct net_device *ndev = priv->ndev;
+	struct phy_device *phydev = ndev->phydev;
+	unsigned int count;
+
+	/* The timer is different, depending on the interface speed */
+	switch (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 kernel_ethtool_coalesce *kernel_coal,
+			  struct netlink_ext_ack *extack)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	unsigned long rxtime;
+	unsigned long rxcount;
+	unsigned long txtime;
+	unsigned long txcount;
+
+	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
+		return -EOPNOTSUPP;
+
+	if (!dev->phydev)
+		return -ENODEV;
+
+	rx_queue = priv->rx_queue[0];
+	tx_queue = priv->tx_queue[0];
+
+	rxtime  = get_ictt_value(rx_queue->rxic);
+	rxcount = get_icft_value(rx_queue->rxic);
+	txtime  = get_ictt_value(tx_queue->txic);
+	txcount = get_icft_value(tx_queue->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;
+
+	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 kernel_ethtool_coalesce *kernel_coal,
+			  struct netlink_ext_ack *extack)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	int i, err = 0;
+
+	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
+		return -EOPNOTSUPP;
+
+	if (!dev->phydev)
+		return -ENODEV;
+
+	/* Check the bounds of the values */
+	if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
+		netdev_info(dev, "Coalescing is limited to %d microseconds\n",
+			    GFAR_MAX_COAL_USECS);
+		return -EINVAL;
+	}
+
+	if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
+		netdev_info(dev, "Coalescing is limited to %d frames\n",
+			    GFAR_MAX_COAL_FRAMES);
+		return -EINVAL;
+	}
+
+	/* Check the bounds of the values */
+	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
+		netdev_info(dev, "Coalescing is limited to %d microseconds\n",
+			    GFAR_MAX_COAL_USECS);
+		return -EINVAL;
+	}
+
+	if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
+		netdev_info(dev, "Coalescing is limited to %d frames\n",
+			    GFAR_MAX_COAL_FRAMES);
+		return -EINVAL;
+	}
+
+	while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
+		cpu_relax();
+
+	/* Set up rx coalescing */
+	if ((cvals->rx_coalesce_usecs == 0) ||
+	    (cvals->rx_max_coalesced_frames == 0)) {
+		for (i = 0; i < priv->num_rx_queues; i++)
+			priv->rx_queue[i]->rxcoalescing = 0;
+	} else {
+		for (i = 0; i < priv->num_rx_queues; i++)
+			priv->rx_queue[i]->rxcoalescing = 1;
+	}
+
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		priv->rx_queue[i]->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)) {
+		for (i = 0; i < priv->num_tx_queues; i++)
+			priv->tx_queue[i]->txcoalescing = 0;
+	} else {
+		for (i = 0; i < priv->num_tx_queues; i++)
+			priv->tx_queue[i]->txcoalescing = 1;
+	}
+
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		priv->tx_queue[i]->txic = mk_ic_value(
+			cvals->tx_max_coalesced_frames,
+			gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
+	}
+
+	if (dev->flags & IFF_UP) {
+		stop_gfar(dev);
+		err = startup_gfar(dev);
+	} else {
+		gfar_mac_reset(priv);
+	}
+
+	clear_bit_unlock(GFAR_RESETTING, &priv->state);
+
+	return err;
+}
+
+/* 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 kernel_ethtool_ringparam *kernel_rvals,
+			    struct netlink_ext_ack *extack)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+
+	tx_queue = priv->tx_queue[0];
+	rx_queue = priv->rx_queue[0];
+
+	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 = rx_queue->rx_ring_size;
+	rvals->rx_mini_pending = rx_queue->rx_ring_size;
+	rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
+	rvals->tx_pending = tx_queue->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.
+ */
+static int gfar_sringparam(struct net_device *dev,
+			   struct ethtool_ringparam *rvals,
+			   struct kernel_ethtool_ringparam *kernel_rvals,
+			   struct netlink_ext_ack *extack)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	int err = 0, i;
+
+	if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
+		return -EINVAL;
+
+	if (!is_power_of_2(rvals->rx_pending)) {
+		netdev_err(dev, "Ring sizes must be a power of 2\n");
+		return -EINVAL;
+	}
+
+	if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
+		return -EINVAL;
+
+	if (!is_power_of_2(rvals->tx_pending)) {
+		netdev_err(dev, "Ring sizes must be a power of 2\n");
+		return -EINVAL;
+	}
+
+	while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
+		cpu_relax();
+
+	if (dev->flags & IFF_UP)
+		stop_gfar(dev);
+
+	/* Change the sizes */
+	for (i = 0; i < priv->num_rx_queues; i++)
+		priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
+
+	for (i = 0; i < priv->num_tx_queues; i++)
+		priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
+
+	/* Rebuild the rings with the new size */
+	if (dev->flags & IFF_UP)
+		err = startup_gfar(dev);
+
+	clear_bit_unlock(GFAR_RESETTING, &priv->state);
+
+	return err;
+}
+
+static void gfar_gpauseparam(struct net_device *dev,
+			     struct ethtool_pauseparam *epause)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+
+	epause->autoneg = !!priv->pause_aneg_en;
+	epause->rx_pause = !!priv->rx_pause_en;
+	epause->tx_pause = !!priv->tx_pause_en;
+}
+
+static int gfar_spauseparam(struct net_device *dev,
+			    struct ethtool_pauseparam *epause)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	struct phy_device *phydev = dev->phydev;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	if (!phydev)
+		return -ENODEV;
+
+	if (!phy_validate_pause(phydev, epause))
+		return -EINVAL;
+
+	priv->rx_pause_en = priv->tx_pause_en = 0;
+	phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
+	if (epause->rx_pause) {
+		priv->rx_pause_en = 1;
+
+		if (epause->tx_pause) {
+			priv->tx_pause_en = 1;
+		}
+	} else if (epause->tx_pause) {
+		priv->tx_pause_en = 1;
+	}
+
+	if (epause->autoneg)
+		priv->pause_aneg_en = 1;
+	else
+		priv->pause_aneg_en = 0;
+
+	if (!epause->autoneg) {
+		u32 tempval = gfar_read(&regs->maccfg1);
+
+		tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+
+		priv->tx_actual_en = 0;
+		if (priv->tx_pause_en) {
+			priv->tx_actual_en = 1;
+			tempval |= MACCFG1_TX_FLOW;
+		}
+
+		if (priv->rx_pause_en)
+			tempval |= MACCFG1_RX_FLOW;
+		gfar_write(&regs->maccfg1, tempval);
+	}
+
+	return 0;
+}
+
+int gfar_set_features(struct net_device *dev, netdev_features_t features)
+{
+	netdev_features_t changed = dev->features ^ features;
+	struct gfar_private *priv = netdev_priv(dev);
+	int err = 0;
+
+	if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
+			 NETIF_F_RXCSUM)))
+		return 0;
+
+	while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
+		cpu_relax();
+
+	dev->features = features;
+
+	if (dev->flags & IFF_UP) {
+		/* Now we take down the rings to rebuild them */
+		stop_gfar(dev);
+		err = startup_gfar(dev);
+	} else {
+		gfar_mac_reset(priv);
+	}
+
+	clear_bit_unlock(GFAR_RESETTING, &priv->state);
+
+	return err;
+}
+
+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);
+
+	wol->supported = 0;
+	wol->wolopts = 0;
+
+	if (priv->wol_supported & GFAR_WOL_MAGIC)
+		wol->supported |= WAKE_MAGIC;
+
+	if (priv->wol_supported & GFAR_WOL_FILER_UCAST)
+		wol->supported |= WAKE_UCAST;
+
+	if (priv->wol_opts & GFAR_WOL_MAGIC)
+		wol->wolopts |= WAKE_MAGIC;
+
+	if (priv->wol_opts & GFAR_WOL_FILER_UCAST)
+		wol->wolopts |= WAKE_UCAST;
+}
+
+static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	u16 wol_opts = 0;
+	int err;
+
+	if (!priv->wol_supported && wol->wolopts)
+		return -EINVAL;
+
+	if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST))
+		return -EINVAL;
+
+	if (wol->wolopts & WAKE_MAGIC) {
+		wol_opts |= GFAR_WOL_MAGIC;
+	} else {
+		if (wol->wolopts & WAKE_UCAST)
+			wol_opts |= GFAR_WOL_FILER_UCAST;
+	}
+
+	wol_opts &= priv->wol_supported;
+	priv->wol_opts = 0;
+
+	err = device_set_wakeup_enable(priv->dev, wol_opts);
+	if (err)
+		return err;
+
+	priv->wol_opts = wol_opts;
+
+	return 0;
+}
+#endif
+
+static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
+{
+	u32 fcr = 0x0, fpr = FPR_FILER_MASK;
+
+	if (ethflow & RXH_L2DA) {
+		fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH |
+		      RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+
+		fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH |
+		      RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_VLAN) {
+		fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_IP_SRC) {
+		fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & (RXH_IP_DST)) {
+		fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L3_PROTO) {
+		fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L4_B_0_1) {
+		fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L4_B_2_3) {
+		fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+		      RQFCR_AND | RQFCR_HASHTBL_0;
+		priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+}
+
+static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
+				       u64 class)
+{
+	unsigned int cmp_rqfpr;
+	unsigned int *local_rqfpr;
+	unsigned int *local_rqfcr;
+	int i = 0x0, k = 0x0;
+	int j = MAX_FILER_IDX, l = 0x0;
+	int ret = 1;
+
+	local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
+				    GFP_KERNEL);
+	local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
+				    GFP_KERNEL);
+	if (!local_rqfpr || !local_rqfcr) {
+		ret = 0;
+		goto err;
+	}
+
+	switch (class) {
+	case TCP_V4_FLOW:
+		cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
+		break;
+	case UDP_V4_FLOW:
+		cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
+		break;
+	case TCP_V6_FLOW:
+		cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
+		break;
+	case UDP_V6_FLOW:
+		cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
+		break;
+	default:
+		netdev_err(priv->ndev,
+			   "Right now this class is not supported\n");
+		ret = 0;
+		goto err;
+	}
+
+	for (i = 0; i < MAX_FILER_IDX + 1; i++) {
+		local_rqfpr[j] = priv->ftp_rqfpr[i];
+		local_rqfcr[j] = priv->ftp_rqfcr[i];
+		j--;
+		if ((priv->ftp_rqfcr[i] ==
+		     (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
+		    (priv->ftp_rqfpr[i] == cmp_rqfpr))
+			break;
+	}
+
+	if (i == MAX_FILER_IDX + 1) {
+		netdev_err(priv->ndev,
+			   "No parse rule found, can't create hash rules\n");
+		ret = 0;
+		goto err;
+	}
+
+	/* If a match was found, then it begins the starting of a cluster rule
+	 * if it was already programmed, we need to overwrite these rules
+	 */
+	for (l = i+1; l < MAX_FILER_IDX; l++) {
+		if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
+		    !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
+			priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
+					     RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
+			priv->ftp_rqfpr[l] = FPR_FILER_MASK;
+			gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
+					 priv->ftp_rqfpr[l]);
+			break;
+		}
+
+		if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
+			(priv->ftp_rqfcr[l] & RQFCR_AND))
+			continue;
+		else {
+			local_rqfpr[j] = priv->ftp_rqfpr[l];
+			local_rqfcr[j] = priv->ftp_rqfcr[l];
+			j--;
+		}
+	}
+
+	priv->cur_filer_idx = l - 1;
+
+	/* hash rules */
+	ethflow_to_filer_rules(priv, ethflow);
+
+	/* Write back the popped out rules again */
+	for (k = j+1; k < MAX_FILER_IDX; k++) {
+		priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
+		priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
+		gfar_write_filer(priv, priv->cur_filer_idx,
+				 local_rqfcr[k], local_rqfpr[k]);
+		if (!priv->cur_filer_idx)
+			break;
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+err:
+	kfree(local_rqfcr);
+	kfree(local_rqfpr);
+	return ret;
+}
+
+static int gfar_set_hash_opts(struct gfar_private *priv,
+			      struct ethtool_rxnfc *cmd)
+{
+	/* write the filer rules here */
+	if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
+		return -EINVAL;
+
+	return 0;
+}
+
+static int gfar_check_filer_hardware(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+	u32 i;
+
+	/* Check if we are in FIFO mode */
+	i = gfar_read(&regs->ecntrl);
+	i &= ECNTRL_FIFM;
+	if (i == ECNTRL_FIFM) {
+		netdev_notice(priv->ndev, "Interface in FIFO mode\n");
+		i = gfar_read(&regs->rctrl);
+		i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
+		if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
+			netdev_info(priv->ndev,
+				    "Receive Queue Filtering enabled\n");
+		} else {
+			netdev_warn(priv->ndev,
+				    "Receive Queue Filtering disabled\n");
+			return -EOPNOTSUPP;
+		}
+	}
+	/* Or in standard mode */
+	else {
+		i = gfar_read(&regs->rctrl);
+		i &= RCTRL_PRSDEP_MASK;
+		if (i == RCTRL_PRSDEP_MASK) {
+			netdev_info(priv->ndev,
+				    "Receive Queue Filtering enabled\n");
+		} else {
+			netdev_warn(priv->ndev,
+				    "Receive Queue Filtering disabled\n");
+			return -EOPNOTSUPP;
+		}
+	}
+
+	/* Sets the properties for arbitrary filer rule
+	 * to the first 4 Layer 4 Bytes
+	 */
+	gfar_write(&regs->rbifx, 0xC0C1C2C3);
+	return 0;
+}
+
+/* Write a mask to filer cache */
+static void gfar_set_mask(u32 mask, struct filer_table *tab)
+{
+	tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
+	tab->fe[tab->index].prop = mask;
+	tab->index++;
+}
+
+/* Sets parse bits (e.g. IP or TCP) */
+static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
+{
+	gfar_set_mask(mask, tab);
+	tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
+				   RQFCR_AND;
+	tab->fe[tab->index].prop = value;
+	tab->index++;
+}
+
+static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
+				       struct filer_table *tab)
+{
+	gfar_set_mask(mask, tab);
+	tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
+	tab->fe[tab->index].prop = value;
+	tab->index++;
+}
+
+/* For setting a tuple of value and mask of type flag
+ * Example:
+ * IP-Src = 10.0.0.0/255.0.0.0
+ * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
+ *
+ * Ethtool gives us a value=0 and mask=~0 for don't care a tuple
+ * For a don't care mask it gives us a 0
+ *
+ * The check if don't care and the mask adjustment if mask=0 is done for VLAN
+ * and MAC stuff on an upper level (due to missing information on this level).
+ * For these guys we can discard them if they are value=0 and mask=0.
+ *
+ * Further the all masks are one-padded for better hardware efficiency.
+ */
+static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
+			       struct filer_table *tab)
+{
+	switch (flag) {
+		/* 3bit */
+	case RQFCR_PID_PRI:
+		if (!(value | mask))
+			return;
+		mask |= RQFCR_PID_PRI_MASK;
+		break;
+		/* 8bit */
+	case RQFCR_PID_L4P:
+	case RQFCR_PID_TOS:
+		if (!~(mask | RQFCR_PID_L4P_MASK))
+			return;
+		if (!mask)
+			mask = ~0;
+		else
+			mask |= RQFCR_PID_L4P_MASK;
+		break;
+		/* 12bit */
+	case RQFCR_PID_VID:
+		if (!(value | mask))
+			return;
+		mask |= RQFCR_PID_VID_MASK;
+		break;
+		/* 16bit */
+	case RQFCR_PID_DPT:
+	case RQFCR_PID_SPT:
+	case RQFCR_PID_ETY:
+		if (!~(mask | RQFCR_PID_PORT_MASK))
+			return;
+		if (!mask)
+			mask = ~0;
+		else
+			mask |= RQFCR_PID_PORT_MASK;
+		break;
+		/* 24bit */
+	case RQFCR_PID_DAH:
+	case RQFCR_PID_DAL:
+	case RQFCR_PID_SAH:
+	case RQFCR_PID_SAL:
+		if (!(value | mask))
+			return;
+		mask |= RQFCR_PID_MAC_MASK;
+		break;
+		/* for all real 32bit masks */
+	default:
+		if (!~mask)
+			return;
+		if (!mask)
+			mask = ~0;
+		break;
+	}
+	gfar_set_general_attribute(value, mask, flag, tab);
+}
+
+/* Translates value and mask for UDP, TCP or SCTP */
+static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
+			      struct ethtool_tcpip4_spec *mask,
+			      struct filer_table *tab)
+{
+	gfar_set_attribute(be32_to_cpu(value->ip4src),
+			   be32_to_cpu(mask->ip4src),
+			   RQFCR_PID_SIA, tab);
+	gfar_set_attribute(be32_to_cpu(value->ip4dst),
+			   be32_to_cpu(mask->ip4dst),
+			   RQFCR_PID_DIA, tab);
+	gfar_set_attribute(be16_to_cpu(value->pdst),
+			   be16_to_cpu(mask->pdst),
+			   RQFCR_PID_DPT, tab);
+	gfar_set_attribute(be16_to_cpu(value->psrc),
+			   be16_to_cpu(mask->psrc),
+			   RQFCR_PID_SPT, tab);
+	gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
+}
+
+/* Translates value and mask for RAW-IP4 */
+static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
+			     struct ethtool_usrip4_spec *mask,
+			     struct filer_table *tab)
+{
+	gfar_set_attribute(be32_to_cpu(value->ip4src),
+			   be32_to_cpu(mask->ip4src),
+			   RQFCR_PID_SIA, tab);
+	gfar_set_attribute(be32_to_cpu(value->ip4dst),
+			   be32_to_cpu(mask->ip4dst),
+			   RQFCR_PID_DIA, tab);
+	gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
+	gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
+	gfar_set_attribute(be32_to_cpu(value->l4_4_bytes),
+			   be32_to_cpu(mask->l4_4_bytes),
+			   RQFCR_PID_ARB, tab);
+
+}
+
+/* Translates value and mask for ETHER spec */
+static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
+			   struct filer_table *tab)
+{
+	u32 upper_temp_mask = 0;
+	u32 lower_temp_mask = 0;
+
+	/* Source address */
+	if (!is_broadcast_ether_addr(mask->h_source)) {
+		if (is_zero_ether_addr(mask->h_source)) {
+			upper_temp_mask = 0xFFFFFFFF;
+			lower_temp_mask = 0xFFFFFFFF;
+		} else {
+			upper_temp_mask = mask->h_source[0] << 16 |
+					  mask->h_source[1] << 8  |
+					  mask->h_source[2];
+			lower_temp_mask = mask->h_source[3] << 16 |
+					  mask->h_source[4] << 8  |
+					  mask->h_source[5];
+		}
+		/* Upper 24bit */
+		gfar_set_attribute(value->h_source[0] << 16 |
+				   value->h_source[1] << 8  |
+				   value->h_source[2],
+				   upper_temp_mask, RQFCR_PID_SAH, tab);
+		/* And the same for the lower part */
+		gfar_set_attribute(value->h_source[3] << 16 |
+				   value->h_source[4] << 8  |
+				   value->h_source[5],
+				   lower_temp_mask, RQFCR_PID_SAL, tab);
+	}
+	/* Destination address */
+	if (!is_broadcast_ether_addr(mask->h_dest)) {
+		/* Special for destination is limited broadcast */
+		if ((is_broadcast_ether_addr(value->h_dest) &&
+		    is_zero_ether_addr(mask->h_dest))) {
+			gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
+		} else {
+			if (is_zero_ether_addr(mask->h_dest)) {
+				upper_temp_mask = 0xFFFFFFFF;
+				lower_temp_mask = 0xFFFFFFFF;
+			} else {
+				upper_temp_mask = mask->h_dest[0] << 16 |
+						  mask->h_dest[1] << 8  |
+						  mask->h_dest[2];
+				lower_temp_mask = mask->h_dest[3] << 16 |
+						  mask->h_dest[4] << 8  |
+						  mask->h_dest[5];
+			}
+
+			/* Upper 24bit */
+			gfar_set_attribute(value->h_dest[0] << 16 |
+					   value->h_dest[1] << 8  |
+					   value->h_dest[2],
+					   upper_temp_mask, RQFCR_PID_DAH, tab);
+			/* And the same for the lower part */
+			gfar_set_attribute(value->h_dest[3] << 16 |
+					   value->h_dest[4] << 8  |
+					   value->h_dest[5],
+					   lower_temp_mask, RQFCR_PID_DAL, tab);
+		}
+	}
+
+	gfar_set_attribute(be16_to_cpu(value->h_proto),
+			   be16_to_cpu(mask->h_proto),
+			   RQFCR_PID_ETY, tab);
+}
+
+static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule)
+{
+	return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK;
+}
+
+static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule)
+{
+	return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK;
+}
+
+static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule)
+{
+	return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK;
+}
+
+static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule)
+{
+	return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK;
+}
+
+static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule)
+{
+	return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >>
+		VLAN_PRIO_SHIFT;
+}
+
+static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule)
+{
+	return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >>
+		VLAN_PRIO_SHIFT;
+}
+
+/* Convert a rule to binary filter format of gianfar */
+static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
+				 struct filer_table *tab)
+{
+	u32 vlan = 0, vlan_mask = 0;
+	u32 id = 0, id_mask = 0;
+	u32 cfi = 0, cfi_mask = 0;
+	u32 prio = 0, prio_mask = 0;
+	u32 old_index = tab->index;
+
+	/* Check if vlan is wanted */
+	if ((rule->flow_type & FLOW_EXT) &&
+	    (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) {
+		if (!rule->m_ext.vlan_tci)
+			rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF);
+
+		vlan = RQFPR_VLN;
+		vlan_mask = RQFPR_VLN;
+
+		/* Separate the fields */
+		id = vlan_tci_vid(rule);
+		id_mask = vlan_tci_vidm(rule);
+		cfi = vlan_tci_cfi(rule);
+		cfi_mask = vlan_tci_cfim(rule);
+		prio = vlan_tci_prio(rule);
+		prio_mask = vlan_tci_priom(rule);
+
+		if (cfi_mask) {
+			if (cfi)
+				vlan |= RQFPR_CFI;
+			vlan_mask |= RQFPR_CFI;
+		}
+	}
+
+	switch (rule->flow_type & ~FLOW_EXT) {
+	case TCP_V4_FLOW:
+		gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
+				    RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
+		gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
+				  &rule->m_u.tcp_ip4_spec, tab);
+		break;
+	case UDP_V4_FLOW:
+		gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
+				    RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
+		gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
+				  &rule->m_u.udp_ip4_spec, tab);
+		break;
+	case SCTP_V4_FLOW:
+		gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
+				    tab);
+		gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
+		gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
+				  (struct ethtool_tcpip4_spec *)&rule->m_u,
+				  tab);
+		break;
+	case IP_USER_FLOW:
+		gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
+				    tab);
+		gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
+				 (struct ethtool_usrip4_spec *) &rule->m_u,
+				 tab);
+		break;
+	case ETHER_FLOW:
+		if (vlan)
+			gfar_set_parse_bits(vlan, vlan_mask, tab);
+		gfar_set_ether((struct ethhdr *) &rule->h_u,
+			       (struct ethhdr *) &rule->m_u, tab);
+		break;
+	default:
+		return -1;
+	}
+
+	/* Set the vlan attributes in the end */
+	if (vlan) {
+		gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab);
+		gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab);
+	}
+
+	/* If there has been nothing written till now, it must be a default */
+	if (tab->index == old_index) {
+		gfar_set_mask(0xFFFFFFFF, tab);
+		tab->fe[tab->index].ctrl = 0x20;
+		tab->fe[tab->index].prop = 0x0;
+		tab->index++;
+	}
+
+	/* Remove last AND */
+	tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND);
+
+	/* Specify which queue to use or to drop */
+	if (rule->ring_cookie == RX_CLS_FLOW_DISC)
+		tab->fe[tab->index - 1].ctrl |= RQFCR_RJE;
+	else
+		tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10);
+
+	/* Only big enough entries can be clustered */
+	if (tab->index > (old_index + 2)) {
+		tab->fe[old_index + 1].ctrl |= RQFCR_CLE;
+		tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
+	}
+
+	/* In rare cases the cache can be full while there is
+	 * free space in hw
+	 */
+	if (tab->index > MAX_FILER_CACHE_IDX - 1)
+		return -EBUSY;
+
+	return 0;
+}
+
+/* Write the bit-pattern from software's buffer to hardware registers */
+static int gfar_write_filer_table(struct gfar_private *priv,
+				  struct filer_table *tab)
+{
+	u32 i = 0;
+	if (tab->index > MAX_FILER_IDX - 1)
+		return -EBUSY;
+
+	/* Fill regular entries */
+	for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++)
+		gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
+	/* Fill the rest with fall-troughs */
+	for (; i < MAX_FILER_IDX; i++)
+		gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
+	/* Last entry must be default accept
+	 * because that's what people expect
+	 */
+	gfar_write_filer(priv, i, 0x20, 0x0);
+
+	return 0;
+}
+
+static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
+				 struct gfar_private *priv)
+{
+
+	if (flow->flow_type & FLOW_EXT)	{
+		if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
+			netdev_warn(priv->ndev,
+				    "User-specific data not supported!\n");
+		if (~flow->m_ext.vlan_etype)
+			netdev_warn(priv->ndev,
+				    "VLAN-etype not supported!\n");
+	}
+	if (flow->flow_type == IP_USER_FLOW)
+		if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
+			netdev_warn(priv->ndev,
+				    "IP-Version differing from IPv4 not supported!\n");
+
+	return 0;
+}
+
+static int gfar_process_filer_changes(struct gfar_private *priv)
+{
+	struct ethtool_flow_spec_container *j;
+	struct filer_table *tab;
+	s32 ret = 0;
+
+	/* So index is set to zero, too! */
+	tab = kzalloc(sizeof(*tab), GFP_KERNEL);
+	if (tab == NULL)
+		return -ENOMEM;
+
+	/* Now convert the existing filer data from flow_spec into
+	 * filer tables binary format
+	 */
+	list_for_each_entry(j, &priv->rx_list.list, list) {
+		ret = gfar_convert_to_filer(&j->fs, tab);
+		if (ret == -EBUSY) {
+			netdev_err(priv->ndev,
+				   "Rule not added: No free space!\n");
+			goto end;
+		}
+		if (ret == -1) {
+			netdev_err(priv->ndev,
+				   "Rule not added: Unsupported Flow-type!\n");
+			goto end;
+		}
+	}
+
+	/* Write everything to hardware */
+	ret = gfar_write_filer_table(priv, tab);
+	if (ret == -EBUSY) {
+		netdev_err(priv->ndev, "Rule not added: No free space!\n");
+		goto end;
+	}
+
+end:
+	kfree(tab);
+	return ret;
+}
+
+static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
+{
+	u32 i = 0;
+
+	for (i = 0; i < sizeof(flow->m_u); i++)
+		flow->m_u.hdata[i] ^= 0xFF;
+
+	flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF);
+	flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF);
+	flow->m_ext.data[0] ^= cpu_to_be32(~0);
+	flow->m_ext.data[1] ^= cpu_to_be32(~0);
+}
+
+static int gfar_add_cls(struct gfar_private *priv,
+			struct ethtool_rx_flow_spec *flow)
+{
+	struct ethtool_flow_spec_container *temp, *comp;
+	int ret = 0;
+
+	temp = kmalloc(sizeof(*temp), GFP_KERNEL);
+	if (temp == NULL)
+		return -ENOMEM;
+	memcpy(&temp->fs, flow, sizeof(temp->fs));
+
+	gfar_invert_masks(&temp->fs);
+	ret = gfar_check_capability(&temp->fs, priv);
+	if (ret)
+		goto clean_mem;
+	/* Link in the new element at the right @location */
+	if (list_empty(&priv->rx_list.list)) {
+		ret = gfar_check_filer_hardware(priv);
+		if (ret != 0)
+			goto clean_mem;
+		list_add(&temp->list, &priv->rx_list.list);
+		goto process;
+	} else {
+		list_for_each_entry(comp, &priv->rx_list.list, list) {
+			if (comp->fs.location > flow->location) {
+				list_add_tail(&temp->list, &comp->list);
+				goto process;
+			}
+			if (comp->fs.location == flow->location) {
+				netdev_err(priv->ndev,
+					   "Rule not added: ID %d not free!\n",
+					   flow->location);
+				ret = -EBUSY;
+				goto clean_mem;
+			}
+		}
+		list_add_tail(&temp->list, &priv->rx_list.list);
+	}
+
+process:
+	priv->rx_list.count++;
+	ret = gfar_process_filer_changes(priv);
+	if (ret)
+		goto clean_list;
+	return ret;
+
+clean_list:
+	priv->rx_list.count--;
+	list_del(&temp->list);
+clean_mem:
+	kfree(temp);
+	return ret;
+}
+
+static int gfar_del_cls(struct gfar_private *priv, u32 loc)
+{
+	struct ethtool_flow_spec_container *comp;
+	u32 ret = -EINVAL;
+
+	if (list_empty(&priv->rx_list.list))
+		return ret;
+
+	list_for_each_entry(comp, &priv->rx_list.list, list) {
+		if (comp->fs.location == loc) {
+			list_del(&comp->list);
+			kfree(comp);
+			priv->rx_list.count--;
+			gfar_process_filer_changes(priv);
+			ret = 0;
+			break;
+		}
+	}
+
+	return ret;
+}
+
+static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
+{
+	struct ethtool_flow_spec_container *comp;
+	u32 ret = -EINVAL;
+
+	list_for_each_entry(comp, &priv->rx_list.list, list) {
+		if (comp->fs.location == cmd->fs.location) {
+			memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs));
+			gfar_invert_masks(&cmd->fs);
+			ret = 0;
+			break;
+		}
+	}
+
+	return ret;
+}
+
+static int gfar_get_cls_all(struct gfar_private *priv,
+			    struct ethtool_rxnfc *cmd, u32 *rule_locs)
+{
+	struct ethtool_flow_spec_container *comp;
+	u32 i = 0;
+
+	list_for_each_entry(comp, &priv->rx_list.list, list) {
+		if (i == cmd->rule_cnt)
+			return -EMSGSIZE;
+		rule_locs[i] = comp->fs.location;
+		i++;
+	}
+
+	cmd->data = MAX_FILER_IDX;
+	cmd->rule_cnt = i;
+
+	return 0;
+}
+
+static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	int ret = 0;
+
+	if (test_bit(GFAR_RESETTING, &priv->state))
+		return -EBUSY;
+
+	mutex_lock(&priv->rx_queue_access);
+
+	switch (cmd->cmd) {
+	case ETHTOOL_SRXFH:
+		ret = gfar_set_hash_opts(priv, cmd);
+		break;
+	case ETHTOOL_SRXCLSRLINS:
+		if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
+		     cmd->fs.ring_cookie >= priv->num_rx_queues) ||
+		    cmd->fs.location >= MAX_FILER_IDX) {
+			ret = -EINVAL;
+			break;
+		}
+		ret = gfar_add_cls(priv, &cmd->fs);
+		break;
+	case ETHTOOL_SRXCLSRLDEL:
+		ret = gfar_del_cls(priv, cmd->fs.location);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	mutex_unlock(&priv->rx_queue_access);
+
+	return ret;
+}
+
+static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+			u32 *rule_locs)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	int ret = 0;
+
+	switch (cmd->cmd) {
+	case ETHTOOL_GRXRINGS:
+		cmd->data = priv->num_rx_queues;
+		break;
+	case ETHTOOL_GRXCLSRLCNT:
+		cmd->rule_cnt = priv->rx_list.count;
+		break;
+	case ETHTOOL_GRXCLSRULE:
+		ret = gfar_get_cls(priv, cmd);
+		break;
+	case ETHTOOL_GRXCLSRLALL:
+		ret = gfar_get_cls_all(priv, cmd, rule_locs);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int gfar_get_ts_info(struct net_device *dev,
+			    struct ethtool_ts_info *info)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	struct platform_device *ptp_dev;
+	struct device_node *ptp_node;
+	struct ptp_qoriq *ptp = NULL;
+
+	info->phc_index = -1;
+
+	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
+		info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+					SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_SOFTWARE;
+		return 0;
+	}
+
+	ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp");
+	if (ptp_node) {
+		ptp_dev = of_find_device_by_node(ptp_node);
+		of_node_put(ptp_node);
+		if (ptp_dev)
+			ptp = platform_get_drvdata(ptp_dev);
+	}
+
+	if (ptp)
+		info->phc_index = ptp->phc_index;
+
+	info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+				SOF_TIMESTAMPING_RX_HARDWARE |
+				SOF_TIMESTAMPING_RAW_HARDWARE |
+				SOF_TIMESTAMPING_RX_SOFTWARE |
+				SOF_TIMESTAMPING_TX_SOFTWARE |
+				SOF_TIMESTAMPING_SOFTWARE;
+	info->tx_types = (1 << HWTSTAMP_TX_OFF) |
+			 (1 << HWTSTAMP_TX_ON);
+	info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
+			   (1 << HWTSTAMP_FILTER_ALL);
+	return 0;
+}
+
+const struct ethtool_ops gfar_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES,
+	.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_pauseparam = gfar_gpauseparam,
+	.set_pauseparam = gfar_spauseparam,
+	.get_strings = gfar_gstrings,
+	.get_sset_count = gfar_sset_count,
+	.get_ethtool_stats = gfar_fill_stats,
+	.get_msglevel = gfar_get_msglevel,
+	.set_msglevel = gfar_set_msglevel,
+#ifdef CONFIG_PM
+	.get_wol = gfar_get_wol,
+	.set_wol = gfar_set_wol,
+#endif
+	.set_rxnfc = gfar_set_nfc,
+	.get_rxnfc = gfar_get_nfc,
+	.get_ts_info = gfar_get_ts_info,
+	.get_link_ksettings = phy_ethtool_get_link_ksettings,
+	.set_link_ksettings = phy_ethtool_set_link_ksettings,
+};