[linux-2.6-block.git] / drivers / net / mlx4 / en_ethtool.c

/*
 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>

#include "mlx4_en.h"
#include "en_port.h"


static void
mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;

	sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
	strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
	sprintf(drvinfo->fw_version, "%d.%d.%d",
		(u16) (mdev->dev->caps.fw_ver >> 32),
		(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
		(u16) (mdev->dev->caps.fw_ver & 0xffff));
	strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
	drvinfo->n_stats = 0;
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}

static u32 mlx4_en_get_tso(struct net_device *dev)
{
	return (dev->features & NETIF_F_TSO) != 0;
}

static int mlx4_en_set_tso(struct net_device *dev, u32 data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	if (data) {
		if (!priv->mdev->LSO_support)
			return -EPERM;
		dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
	} else
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
	return 0;
}

static u32 mlx4_en_get_rx_csum(struct net_device *dev)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	return priv->rx_csum;
}

static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	priv->rx_csum = (data != 0);
	return 0;
}

static const char main_strings[][ETH_GSTRING_LEN] = {
	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
	"tx_heartbeat_errors", "tx_window_errors",

	/* port statistics */
	"tso_packets",
	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",

	/* packet statistics */
	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
	"tx_prio_6", "tx_prio_7",
};
#define NUM_MAIN_STATS	21
#define NUM_ALL_STATS	(NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)

static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
	"Interupt Test",
	"Link Test",
	"Speed Test",
	"Register Test",
	"Loopback Test",
};

static u32 mlx4_en_get_msglevel(struct net_device *dev)
{
	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
}

static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
{
	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
}

static void mlx4_en_get_wol(struct net_device *netdev,
			    struct ethtool_wolinfo *wol)
{
	struct mlx4_en_priv *priv = netdev_priv(netdev);
	int err = 0;
	u64 config = 0;

	if (!priv->mdev->dev->caps.wol) {
		wol->supported = 0;
		wol->wolopts = 0;
		return;
	}

	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	if (err) {
		en_err(priv, "Failed to get WoL information\n");
		return;
	}

	if (config & MLX4_EN_WOL_MAGIC)
		wol->supported = WAKE_MAGIC;
	else
		wol->supported = 0;

	if (config & MLX4_EN_WOL_ENABLED)
		wol->wolopts = WAKE_MAGIC;
	else
		wol->wolopts = 0;
}

static int mlx4_en_set_wol(struct net_device *netdev,
			    struct ethtool_wolinfo *wol)
{
	struct mlx4_en_priv *priv = netdev_priv(netdev);
	u64 config = 0;
	int err = 0;

	if (!priv->mdev->dev->caps.wol)
		return -EOPNOTSUPP;

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

	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	if (err) {
		en_err(priv, "Failed to get WoL info, unable to modify\n");
		return err;
	}

	if (wol->wolopts & WAKE_MAGIC) {
		config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
				MLX4_EN_WOL_MAGIC;
	} else {
		config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
		config |= MLX4_EN_WOL_DO_MODIFY;
	}

	err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
	if (err)
		en_err(priv, "Failed to set WoL information\n");

	return err;
}

static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	switch (sset) {
	case ETH_SS_STATS:
		return NUM_ALL_STATS +
			(priv->tx_ring_num + priv->rx_ring_num) * 2;
	case ETH_SS_TEST:
		return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.loopback_support) * 2;
	default:
		return -EOPNOTSUPP;
	}
}

static void mlx4_en_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, uint64_t *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int index = 0;
	int i;

	spin_lock_bh(&priv->stats_lock);

	for (i = 0; i < NUM_MAIN_STATS; i++)
		data[index++] = ((unsigned long *) &priv->stats)[i];
	for (i = 0; i < NUM_PORT_STATS; i++)
		data[index++] = ((unsigned long *) &priv->port_stats)[i];
	for (i = 0; i < priv->tx_ring_num; i++) {
		data[index++] = priv->tx_ring[i].packets;
		data[index++] = priv->tx_ring[i].bytes;
	}
	for (i = 0; i < priv->rx_ring_num; i++) {
		data[index++] = priv->rx_ring[i].packets;
		data[index++] = priv->rx_ring[i].bytes;
	}
	for (i = 0; i < NUM_PKT_STATS; i++)
		data[index++] = ((unsigned long *) &priv->pkstats)[i];
	spin_unlock_bh(&priv->stats_lock);

}

static void mlx4_en_self_test(struct net_device *dev,
			      struct ethtool_test *etest, u64 *buf)
{
	mlx4_en_ex_selftest(dev, &etest->flags, buf);
}

static void mlx4_en_get_strings(struct net_device *dev,
				uint32_t stringset, uint8_t *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int index = 0;
	int i;

	switch (stringset) {
	case ETH_SS_TEST:
		for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
			strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
		if (priv->mdev->dev->caps.loopback_support)
			for (; i < MLX4_EN_NUM_SELF_TEST; i++)
				strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
		break;

	case ETH_SS_STATS:
		/* Add main counters */
		for (i = 0; i < NUM_MAIN_STATS; i++)
			strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
		for (i = 0; i< NUM_PORT_STATS; i++)
			strcpy(data + (index++) * ETH_GSTRING_LEN,
			main_strings[i + NUM_MAIN_STATS]);
		for (i = 0; i < priv->tx_ring_num; i++) {
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"tx%d_packets", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"tx%d_bytes", i);
		}
		for (i = 0; i < priv->rx_ring_num; i++) {
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_packets", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_bytes", i);
		}
		for (i = 0; i< NUM_PKT_STATS; i++)
			strcpy(data + (index++) * ETH_GSTRING_LEN,
			main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
		break;
	}
}

static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int trans_type;

	cmd->autoneg = AUTONEG_DISABLE;
	cmd->supported = SUPPORTED_10000baseT_Full;
	cmd->advertising = ADVERTISED_10000baseT_Full;

	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
		return -ENOMEM;

	trans_type = priv->port_state.transciver;
	if (netif_carrier_ok(dev)) {
		cmd->speed = priv->port_state.link_speed;
		cmd->duplex = DUPLEX_FULL;
	} else {
		cmd->speed = -1;
		cmd->duplex = -1;
	}

	if (trans_type > 0 && trans_type <= 0xC) {
		cmd->port = PORT_FIBRE;
		cmd->transceiver = XCVR_EXTERNAL;
		cmd->supported |= SUPPORTED_FIBRE;
		cmd->advertising |= ADVERTISED_FIBRE;
	} else if (trans_type == 0x80 || trans_type == 0) {
		cmd->port = PORT_TP;
		cmd->transceiver = XCVR_INTERNAL;
		cmd->supported |= SUPPORTED_TP;
		cmd->advertising |= ADVERTISED_TP;
	} else  {
		cmd->port = -1;
		cmd->transceiver = -1;
	}
	return 0;
}

static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	if ((cmd->autoneg == AUTONEG_ENABLE) ||
	    (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL))
		return -EINVAL;

	/* Nothing to change */
	return 0;
}

static int mlx4_en_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	coal->tx_coalesce_usecs = 0;
	coal->tx_max_coalesced_frames = 0;
	coal->rx_coalesce_usecs = priv->rx_usecs;
	coal->rx_max_coalesced_frames = priv->rx_frames;

	coal->pkt_rate_low = priv->pkt_rate_low;
	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
	coal->pkt_rate_high = priv->pkt_rate_high;
	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
	coal->rate_sample_interval = priv->sample_interval;
	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
	return 0;
}

static int mlx4_en_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int err, i;

	priv->rx_frames = (coal->rx_max_coalesced_frames ==
			   MLX4_EN_AUTO_CONF) ?
				MLX4_EN_RX_COAL_TARGET :
				coal->rx_max_coalesced_frames;
	priv->rx_usecs = (coal->rx_coalesce_usecs ==
			  MLX4_EN_AUTO_CONF) ?
				MLX4_EN_RX_COAL_TIME :
				coal->rx_coalesce_usecs;

	/* Set adaptive coalescing params */
	priv->pkt_rate_low = coal->pkt_rate_low;
	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
	priv->pkt_rate_high = coal->pkt_rate_high;
	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
	priv->sample_interval = coal->rate_sample_interval;
	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
	priv->last_moder_time = MLX4_EN_AUTO_CONF;
	if (priv->adaptive_rx_coal)
		return 0;

	for (i = 0; i < priv->rx_ring_num; i++) {
		priv->rx_cq[i].moder_cnt = priv->rx_frames;
		priv->rx_cq[i].moder_time = priv->rx_usecs;
		err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
		if (err)
			return err;
	}
	return 0;
}

static int mlx4_en_set_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *pause)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int err;

	priv->prof->tx_pause = pause->tx_pause != 0;
	priv->prof->rx_pause = pause->rx_pause != 0;
	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
				    priv->rx_skb_size + ETH_FCS_LEN,
				    priv->prof->tx_pause,
				    priv->prof->tx_ppp,
				    priv->prof->rx_pause,
				    priv->prof->rx_ppp);
	if (err)
		en_err(priv, "Failed setting pause params\n");

	return err;
}

static void mlx4_en_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *pause)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	pause->tx_pause = priv->prof->tx_pause;
	pause->rx_pause = priv->prof->rx_pause;
}

static int mlx4_en_set_ringparam(struct net_device *dev,
				 struct ethtool_ringparam *param)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	u32 rx_size, tx_size;
	int port_up = 0;
	int err = 0;

	if (param->rx_jumbo_pending || param->rx_mini_pending)
		return -EINVAL;

	rx_size = roundup_pow_of_two(param->rx_pending);
	rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
	rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
	tx_size = roundup_pow_of_two(param->tx_pending);
	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
	tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);

	if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
					priv->rx_ring[0].size) &&
	    tx_size == priv->tx_ring[0].size)
		return 0;

	mutex_lock(&mdev->state_lock);
	if (priv->port_up) {
		port_up = 1;
		mlx4_en_stop_port(dev);
	}

	mlx4_en_free_resources(priv, true);

	priv->prof->tx_ring_size = tx_size;
	priv->prof->rx_ring_size = rx_size;

	err = mlx4_en_alloc_resources(priv);
	if (err) {
		en_err(priv, "Failed reallocating port resources\n");
		goto out;
	}
	if (port_up) {
		err = mlx4_en_start_port(dev);
		if (err)
			en_err(priv, "Failed starting port\n");
	}

out:
	mutex_unlock(&mdev->state_lock);
	return err;
}

static void mlx4_en_get_ringparam(struct net_device *dev,
				  struct ethtool_ringparam *param)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	memset(param, 0, sizeof(*param));
	param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
	param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
	param->rx_pending = priv->port_up ?
		priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
	param->tx_pending = priv->tx_ring[0].size;
}

const struct ethtool_ops mlx4_en_ethtool_ops = {
	.get_drvinfo = mlx4_en_get_drvinfo,
	.get_settings = mlx4_en_get_settings,
	.set_settings = mlx4_en_set_settings,
#ifdef NETIF_F_TSO
	.get_tso = mlx4_en_get_tso,
	.set_tso = mlx4_en_set_tso,
#endif
	.get_sg = ethtool_op_get_sg,
	.set_sg = ethtool_op_set_sg,
	.get_link = ethtool_op_get_link,
	.get_rx_csum = mlx4_en_get_rx_csum,
	.set_rx_csum = mlx4_en_set_rx_csum,
	.get_tx_csum = ethtool_op_get_tx_csum,
	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
	.get_strings = mlx4_en_get_strings,
	.get_sset_count = mlx4_en_get_sset_count,
	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
	.self_test = mlx4_en_self_test,
	.get_wol = mlx4_en_get_wol,
	.set_wol = mlx4_en_set_wol,
	.get_msglevel = mlx4_en_get_msglevel,
	.set_msglevel = mlx4_en_set_msglevel,
	.get_coalesce = mlx4_en_get_coalesce,
	.set_coalesce = mlx4_en_set_coalesce,
	.get_pauseparam = mlx4_en_get_pauseparam,
	.set_pauseparam = mlx4_en_set_pauseparam,
	.get_ringparam = mlx4_en_get_ringparam,
	.set_ringparam = mlx4_en_set_ringparam,
	.get_flags = ethtool_op_get_flags,
};
Commit	Line	Data
c27a02cd YP	1	/*
	2	* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*
	32	*/
	33
	34	#include <linux/kernel.h>
	35	#include <linux/ethtool.h>
	36	#include <linux/netdevice.h>
	37
	38	#include "mlx4_en.h"
	39	#include "en_port.h"
	40
c27a02cd	41
c27a02cd YP	42	static void
	43	mlx4_en_get_drvinfo(struct net_device dev, struct ethtool_drvinfo drvinfo)
	44	{
	45	struct mlx4_en_priv *priv = netdev_priv(dev);
	46	struct mlx4_en_dev *mdev = priv->mdev;
	47
	48	sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
	49	strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
	50	sprintf(drvinfo->fw_version, "%d.%d.%d",
	51	(u16) (mdev->dev->caps.fw_ver >> 32),
	52	(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
	53	(u16) (mdev->dev->caps.fw_ver & 0xffff));
	54	strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
	55	drvinfo->n_stats = 0;
	56	drvinfo->regdump_len = 0;
	57	drvinfo->eedump_len = 0;
	58	}
	59
	60	static u32 mlx4_en_get_tso(struct net_device *dev)
	61	{
	62	return (dev->features & NETIF_F_TSO) != 0;
	63	}
	64
	65	static int mlx4_en_set_tso(struct net_device *dev, u32 data)
	66	{
	67	struct mlx4_en_priv *priv = netdev_priv(dev);
	68
	69	if (data) {
	70	if (!priv->mdev->LSO_support)
	71	return -EPERM;
	72	dev->features \|= (NETIF_F_TSO \| NETIF_F_TSO6);
	73	} else
	74	dev->features &= ~(NETIF_F_TSO \| NETIF_F_TSO6);
	75	return 0;
	76	}
	77
	78	static u32 mlx4_en_get_rx_csum(struct net_device *dev)
	79	{
	80	struct mlx4_en_priv *priv = netdev_priv(dev);
	81	return priv->rx_csum;
	82	}
	83
	84	static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
	85	{
	86	struct mlx4_en_priv *priv = netdev_priv(dev);
	87	priv->rx_csum = (data != 0);
	88	return 0;
	89	}
	90
	91	static const char main_strings[][ETH_GSTRING_LEN] = {
	92	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
	93	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
	94	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
	95	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
	96	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
	97	"tx_heartbeat_errors", "tx_window_errors",
	98
	99	/* port statistics */
fa37a958	100	"tso_packets",
c27a02cd YP	101	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
	102	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",
	103
	104	/* packet statistics */
	105	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
	106	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
	107	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
	108	"tx_prio_6", "tx_prio_7",
	109	};
d61702f1	110	#define NUM_MAIN_STATS 21
c27a02cd YP	111	#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
c27a02cd YP	112
e7c1c2c4 YP	113	static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
	114	"Interupt Test",
	115	"Link Test",
	116	"Speed Test",
	117	"Register Test",
	118	"Loopback Test",
	119	};
	120
c27a02cd YP	121	static u32 mlx4_en_get_msglevel(struct net_device *dev)
	122	{
	123	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
	124	}
	125
	126	static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
	127	{
	128	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
	129	}
	130
	131	static void mlx4_en_get_wol(struct net_device *netdev,
	132	struct ethtool_wolinfo *wol)
	133	{
14c07b13 YP	134	struct mlx4_en_priv *priv = netdev_priv(netdev);
	135	int err = 0;
	136	u64 config = 0;
	137
	138	if (!priv->mdev->dev->caps.wol) {
	139	wol->supported = 0;
	140	wol->wolopts = 0;
	141	return;
	142	}
	143
	144	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	145	if (err) {
	146	en_err(priv, "Failed to get WoL information\n");
	147	return;
	148	}
	149
	150	if (config & MLX4_EN_WOL_MAGIC)
	151	wol->supported = WAKE_MAGIC;
	152	else
	153	wol->supported = 0;
	154
	155	if (config & MLX4_EN_WOL_ENABLED)
	156	wol->wolopts = WAKE_MAGIC;
	157	else
	158	wol->wolopts = 0;
	159	}
	160
	161	static int mlx4_en_set_wol(struct net_device *netdev,
	162	struct ethtool_wolinfo *wol)
	163	{
	164	struct mlx4_en_priv *priv = netdev_priv(netdev);
	165	u64 config = 0;
	166	int err = 0;
	167
	168	if (!priv->mdev->dev->caps.wol)
	169	return -EOPNOTSUPP;
	170
	171	if (wol->supported & ~WAKE_MAGIC)
	172	return -EINVAL;
	173
	174	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	175	if (err) {
	176	en_err(priv, "Failed to get WoL info, unable to modify\n");
	177	return err;
	178	}
	179
	180	if (wol->wolopts & WAKE_MAGIC) {
	181	config \|= MLX4_EN_WOL_DO_MODIFY \| MLX4_EN_WOL_ENABLED \|
	182	MLX4_EN_WOL_MAGIC;
	183	} else {
	184	config &= ~(MLX4_EN_WOL_ENABLED \| MLX4_EN_WOL_MAGIC);
	185	config \|= MLX4_EN_WOL_DO_MODIFY;
	186	}
	187
	188	err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
	189	if (err)
	190	en_err(priv, "Failed to set WoL information\n");
	191
	192	return err;
c27a02cd YP	193	}
	194
	195	static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
	196	{
	197	struct mlx4_en_priv *priv = netdev_priv(dev);
	198
e7c1c2c4 YP	199	switch (sset) {
	200	case ETH_SS_STATS:
	201	return NUM_ALL_STATS +
	202	(priv->tx_ring_num + priv->rx_ring_num) * 2;
	203	case ETH_SS_TEST:
	204	return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.loopback_support) * 2;
	205	default:
c27a02cd	206	return -EOPNOTSUPP;
e7c1c2c4	207	}
c27a02cd YP	208	}
	209
	210	static void mlx4_en_get_ethtool_stats(struct net_device *dev,
	211	struct ethtool_stats stats, uint64_t data)
	212	{
	213	struct mlx4_en_priv *priv = netdev_priv(dev);
	214	int index = 0;
	215	int i;
	216
	217	spin_lock_bh(&priv->stats_lock);
	218
c27a02cd YP	219	for (i = 0; i < NUM_MAIN_STATS; i++)
	220	data[index++] = ((unsigned long *) &priv->stats)[i];
	221	for (i = 0; i < NUM_PORT_STATS; i++)
	222	data[index++] = ((unsigned long *) &priv->port_stats)[i];
	223	for (i = 0; i < priv->tx_ring_num; i++) {
	224	data[index++] = priv->tx_ring[i].packets;
	225	data[index++] = priv->tx_ring[i].bytes;
	226	}
	227	for (i = 0; i < priv->rx_ring_num; i++) {
	228	data[index++] = priv->rx_ring[i].packets;
	229	data[index++] = priv->rx_ring[i].bytes;
	230	}
	231	for (i = 0; i < NUM_PKT_STATS; i++)
	232	data[index++] = ((unsigned long *) &priv->pkstats)[i];
	233	spin_unlock_bh(&priv->stats_lock);
	234
	235	}
	236
e7c1c2c4 YP	237	static void mlx4_en_self_test(struct net_device *dev,
	238	struct ethtool_test etest, u64 buf)
	239	{
	240	mlx4_en_ex_selftest(dev, &etest->flags, buf);
	241	}
	242
c27a02cd YP	243	static void mlx4_en_get_strings(struct net_device *dev,
	244	uint32_t stringset, uint8_t *data)
	245	{
	246	struct mlx4_en_priv *priv = netdev_priv(dev);
	247	int index = 0;
	248	int i;
	249
e7c1c2c4 YP	250	switch (stringset) {
	251	case ETH_SS_TEST:
	252	for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
	253	strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
	254	if (priv->mdev->dev->caps.loopback_support)
	255	for (; i < MLX4_EN_NUM_SELF_TEST; i++)
	256	strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
	257	break;
	258
	259	case ETH_SS_STATS:
	260	/* Add main counters */
	261	for (i = 0; i < NUM_MAIN_STATS; i++)
	262	strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
	263	for (i = 0; i< NUM_PORT_STATS; i++)
	264	strcpy(data + (index++) * ETH_GSTRING_LEN,
c27a02cd	265	main_strings[i + NUM_MAIN_STATS]);
e7c1c2c4 YP	266	for (i = 0; i < priv->tx_ring_num; i++) {
	267	sprintf(data + (index++) * ETH_GSTRING_LEN,
	268	"tx%d_packets", i);
	269	sprintf(data + (index++) * ETH_GSTRING_LEN,
	270	"tx%d_bytes", i);
	271	}
	272	for (i = 0; i < priv->rx_ring_num; i++) {
	273	sprintf(data + (index++) * ETH_GSTRING_LEN,
	274	"rx%d_packets", i);
	275	sprintf(data + (index++) * ETH_GSTRING_LEN,
	276	"rx%d_bytes", i);
	277	}
	278	for (i = 0; i< NUM_PKT_STATS; i++)
	279	strcpy(data + (index++) * ETH_GSTRING_LEN,
c27a02cd	280	main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
e7c1c2c4 YP	281	break;
e7c1c2c4 YP	282	}
c27a02cd YP	283	}
	284
	285	static int mlx4_en_get_settings(struct net_device dev, struct ethtool_cmd cmd)
	286	{
7699517d YP	287	struct mlx4_en_priv *priv = netdev_priv(dev);
	288	int trans_type;
	289
c27a02cd YP	290	cmd->autoneg = AUTONEG_DISABLE;
c27a02cd YP	291	cmd->supported = SUPPORTED_10000baseT_Full;
7699517d YP	292	cmd->advertising = ADVERTISED_10000baseT_Full;
	293
	294	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
	295	return -ENOMEM;
	296
	297	trans_type = priv->port_state.transciver;
c27a02cd	298	if (netif_carrier_ok(dev)) {
7699517d	299	cmd->speed = priv->port_state.link_speed;
c27a02cd YP	300	cmd->duplex = DUPLEX_FULL;
	301	} else {
	302	cmd->speed = -1;
	303	cmd->duplex = -1;
	304	}
7699517d YP	305
	306	if (trans_type > 0 && trans_type <= 0xC) {
	307	cmd->port = PORT_FIBRE;
	308	cmd->transceiver = XCVR_EXTERNAL;
	309	cmd->supported \|= SUPPORTED_FIBRE;
	310	cmd->advertising \|= ADVERTISED_FIBRE;
	311	} else if (trans_type == 0x80 \|\| trans_type == 0) {
	312	cmd->port = PORT_TP;
	313	cmd->transceiver = XCVR_INTERNAL;
	314	cmd->supported \|= SUPPORTED_TP;
	315	cmd->advertising \|= ADVERTISED_TP;
	316	} else {
	317	cmd->port = -1;
	318	cmd->transceiver = -1;
	319	}
c27a02cd YP	320	return 0;
	321	}
	322
	323	static int mlx4_en_set_settings(struct net_device dev, struct ethtool_cmd cmd)
	324	{
	325	if ((cmd->autoneg == AUTONEG_ENABLE) \|\|
	326	(cmd->speed != SPEED_10000) \|\| (cmd->duplex != DUPLEX_FULL))
	327	return -EINVAL;
	328
	329	/* Nothing to change */
	330	return 0;
	331	}
	332
	333	static int mlx4_en_get_coalesce(struct net_device *dev,
	334	struct ethtool_coalesce *coal)
	335	{
	336	struct mlx4_en_priv *priv = netdev_priv(dev);
	337
	338	coal->tx_coalesce_usecs = 0;
	339	coal->tx_max_coalesced_frames = 0;
	340	coal->rx_coalesce_usecs = priv->rx_usecs;
	341	coal->rx_max_coalesced_frames = priv->rx_frames;
	342
	343	coal->pkt_rate_low = priv->pkt_rate_low;
	344	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
	345	coal->pkt_rate_high = priv->pkt_rate_high;
	346	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
	347	coal->rate_sample_interval = priv->sample_interval;
	348	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
	349	return 0;
	350	}
	351
	352	static int mlx4_en_set_coalesce(struct net_device *dev,
	353	struct ethtool_coalesce *coal)
	354	{
	355	struct mlx4_en_priv *priv = netdev_priv(dev);
	356	int err, i;
	357
	358	priv->rx_frames = (coal->rx_max_coalesced_frames ==
	359	MLX4_EN_AUTO_CONF) ?
3db36fb2	360	MLX4_EN_RX_COAL_TARGET :
c27a02cd YP	361	coal->rx_max_coalesced_frames;
	362	priv->rx_usecs = (coal->rx_coalesce_usecs ==
	363	MLX4_EN_AUTO_CONF) ?
	364	MLX4_EN_RX_COAL_TIME :
	365	coal->rx_coalesce_usecs;
	366
	367	/* Set adaptive coalescing params */
	368	priv->pkt_rate_low = coal->pkt_rate_low;
	369	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
	370	priv->pkt_rate_high = coal->pkt_rate_high;
	371	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
	372	priv->sample_interval = coal->rate_sample_interval;
	373	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
	374	priv->last_moder_time = MLX4_EN_AUTO_CONF;
	375	if (priv->adaptive_rx_coal)
	376	return 0;
	377
	378	for (i = 0; i < priv->rx_ring_num; i++) {
	379	priv->rx_cq[i].moder_cnt = priv->rx_frames;
	380	priv->rx_cq[i].moder_time = priv->rx_usecs;
	381	err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
	382	if (err)
	383	return err;
	384	}
	385	return 0;
	386	}
	387
	388	static int mlx4_en_set_pauseparam(struct net_device *dev,
	389	struct ethtool_pauseparam *pause)
	390	{
	391	struct mlx4_en_priv *priv = netdev_priv(dev);
	392	struct mlx4_en_dev *mdev = priv->mdev;
	393	int err;
	394
d53b93f2 YP	395	priv->prof->tx_pause = pause->tx_pause != 0;
d53b93f2 YP	396	priv->prof->rx_pause = pause->rx_pause != 0;
c27a02cd YP	397	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
c27a02cd YP	398	priv->rx_skb_size + ETH_FCS_LEN,
d53b93f2 YP	399	priv->prof->tx_pause,
	400	priv->prof->tx_ppp,
	401	priv->prof->rx_pause,
	402	priv->prof->rx_ppp);
c27a02cd	403	if (err)
453a6082	404	en_err(priv, "Failed setting pause params\n");
c27a02cd YP	405
	406	return err;
	407	}
	408
	409	static void mlx4_en_get_pauseparam(struct net_device *dev,
	410	struct ethtool_pauseparam *pause)
	411	{
	412	struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd	413
d53b93f2 YP	414	pause->tx_pause = priv->prof->tx_pause;
d53b93f2 YP	415	pause->rx_pause = priv->prof->rx_pause;
c27a02cd YP	416	}
c27a02cd YP	417
18cc42a3 YP	418	static int mlx4_en_set_ringparam(struct net_device *dev,
	419	struct ethtool_ringparam *param)
	420	{
	421	struct mlx4_en_priv *priv = netdev_priv(dev);
	422	struct mlx4_en_dev *mdev = priv->mdev;
	423	u32 rx_size, tx_size;
	424	int port_up = 0;
	425	int err = 0;
	426
	427	if (param->rx_jumbo_pending \|\| param->rx_mini_pending)
	428	return -EINVAL;
	429
	430	rx_size = roundup_pow_of_two(param->rx_pending);
	431	rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
bd531e36	432	rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
18cc42a3 YP	433	tx_size = roundup_pow_of_two(param->tx_pending);
18cc42a3 YP	434	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
bd531e36	435	tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
18cc42a3	436
bc081cec YP	437	if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
	438	priv->rx_ring[0].size) &&
	439	tx_size == priv->tx_ring[0].size)
18cc42a3 YP	440	return 0;
	441
	442	mutex_lock(&mdev->state_lock);
	443	if (priv->port_up) {
	444	port_up = 1;
	445	mlx4_en_stop_port(dev);
	446	}
	447
1fb9876e	448	mlx4_en_free_resources(priv, true);
18cc42a3 YP	449
	450	priv->prof->tx_ring_size = tx_size;
	451	priv->prof->rx_ring_size = rx_size;
	452
	453	err = mlx4_en_alloc_resources(priv);
	454	if (err) {
453a6082	455	en_err(priv, "Failed reallocating port resources\n");
18cc42a3 YP	456	goto out;
	457	}
	458	if (port_up) {
	459	err = mlx4_en_start_port(dev);
	460	if (err)
453a6082	461	en_err(priv, "Failed starting port\n");
18cc42a3 YP	462	}
	463
	464	out:
	465	mutex_unlock(&mdev->state_lock);
	466	return err;
	467	}
	468
c27a02cd YP	469	static void mlx4_en_get_ringparam(struct net_device *dev,
	470	struct ethtool_ringparam *param)
	471	{
	472	struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd YP	473
c27a02cd YP	474	memset(param, 0, sizeof(*param));
bd531e36 YP	475	param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
bd531e36 YP	476	param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
bc081cec YP	477	param->rx_pending = priv->port_up ?
	478	priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
	479	param->tx_pending = priv->tx_ring[0].size;
c27a02cd YP	480	}
	481
	482	const struct ethtool_ops mlx4_en_ethtool_ops = {
	483	.get_drvinfo = mlx4_en_get_drvinfo,
	484	.get_settings = mlx4_en_get_settings,
	485	.set_settings = mlx4_en_set_settings,
	486	#ifdef NETIF_F_TSO
	487	.get_tso = mlx4_en_get_tso,
	488	.set_tso = mlx4_en_set_tso,
	489	#endif
	490	.get_sg = ethtool_op_get_sg,
	491	.set_sg = ethtool_op_set_sg,
	492	.get_link = ethtool_op_get_link,
	493	.get_rx_csum = mlx4_en_get_rx_csum,
	494	.set_rx_csum = mlx4_en_set_rx_csum,
	495	.get_tx_csum = ethtool_op_get_tx_csum,
	496	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
	497	.get_strings = mlx4_en_get_strings,
	498	.get_sset_count = mlx4_en_get_sset_count,
	499	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
e7c1c2c4	500	.self_test = mlx4_en_self_test,
c27a02cd	501	.get_wol = mlx4_en_get_wol,
14c07b13	502	.set_wol = mlx4_en_set_wol,
c27a02cd YP	503	.get_msglevel = mlx4_en_get_msglevel,
	504	.set_msglevel = mlx4_en_set_msglevel,
	505	.get_coalesce = mlx4_en_get_coalesce,
	506	.set_coalesce = mlx4_en_set_coalesce,
	507	.get_pauseparam = mlx4_en_get_pauseparam,
	508	.set_pauseparam = mlx4_en_set_pauseparam,
	509	.get_ringparam = mlx4_en_get_ringparam,
18cc42a3	510	.set_ringparam = mlx4_en_set_ringparam,
c27a02cd	511	.get_flags = ethtool_op_get_flags,
c27a02cd YP	512	};
	513
	514
	515
	516
	517