[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_update_lro_stats(struct mlx4_en_priv *priv)
{
	int i;

	priv->port_stats.lro_aggregated = 0;
	priv->port_stats.lro_flushed = 0;
	priv->port_stats.lro_no_desc = 0;

	for (i = 0; i < priv->rx_ring_num; i++) {
		priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
		priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
		priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
	}
}

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 */
	"lro_aggregated", "lro_flushed", "lro_no_desc", "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 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)
{
	wol->supported = 0;
	wol->wolopts = 0;
}

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

	if (sset != ETH_SS_STATS)
		return -EOPNOTSUPP;

	return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
}

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);

	mlx4_en_update_lro_stats(priv);

	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_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;

	if (stringset != ETH_SS_STATS)
		return;

	/* 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]);
}

static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	cmd->autoneg = AUTONEG_DISABLE;
	cmd->supported = SUPPORTED_10000baseT_Full;
	cmd->advertising = ADVERTISED_1000baseT_Full;
	if (netif_carrier_ok(dev)) {
		cmd->speed = SPEED_10000;
		cmd->duplex = DUPLEX_FULL;
	} else {
		cmd->speed = -1;
		cmd->duplex = -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->prof->rx_ring_size &&
	    tx_size == priv->prof->tx_ring_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);

	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);
	struct mlx4_en_dev *mdev = priv->mdev;

	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 = mdev->profile.prof[priv->port].rx_ring_size;
	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
}

static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int rc = 0;
	int changed = 0;

	if (data & ~ETH_FLAG_LRO)
		return -EOPNOTSUPP;

	if (data & ETH_FLAG_LRO) {
		if (!(dev->features & NETIF_F_LRO))
			changed = 1;
	} else if (dev->features & NETIF_F_LRO) {
		changed = 1;
	}

	if (changed) {
		if (netif_running(dev)) {
			mutex_lock(&mdev->state_lock);
			mlx4_en_stop_port(dev);
		}
		dev->features ^= NETIF_F_LRO;
		if (netif_running(dev)) {
			rc = mlx4_en_start_port(dev);
			if (rc)
				en_err(priv, "Failed to restart port\n");
			mutex_unlock(&mdev->state_lock);
		}
	}

	return rc;
}

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,
	.get_wol = mlx4_en_get_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,
	.set_flags = mlx4_ethtool_op_set_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 YP	41
	42	static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
	43	{
	44	int i;
	45
	46	priv->port_stats.lro_aggregated = 0;
	47	priv->port_stats.lro_flushed = 0;
	48	priv->port_stats.lro_no_desc = 0;
	49
	50	for (i = 0; i < priv->rx_ring_num; i++) {
	51	priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
	52	priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
	53	priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
	54	}
	55	}
	56
	57	static void
	58	mlx4_en_get_drvinfo(struct net_device dev, struct ethtool_drvinfo drvinfo)
	59	{
	60	struct mlx4_en_priv *priv = netdev_priv(dev);
	61	struct mlx4_en_dev *mdev = priv->mdev;
	62
	63	sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
	64	strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
	65	sprintf(drvinfo->fw_version, "%d.%d.%d",
	66	(u16) (mdev->dev->caps.fw_ver >> 32),
	67	(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
	68	(u16) (mdev->dev->caps.fw_ver & 0xffff));
	69	strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
	70	drvinfo->n_stats = 0;
	71	drvinfo->regdump_len = 0;
	72	drvinfo->eedump_len = 0;
	73	}
	74
	75	static u32 mlx4_en_get_tso(struct net_device *dev)
	76	{
	77	return (dev->features & NETIF_F_TSO) != 0;
	78	}
	79
	80	static int mlx4_en_set_tso(struct net_device *dev, u32 data)
	81	{
	82	struct mlx4_en_priv *priv = netdev_priv(dev);
	83
	84	if (data) {
	85	if (!priv->mdev->LSO_support)
	86	return -EPERM;
	87	dev->features \|= (NETIF_F_TSO \| NETIF_F_TSO6);
	88	} else
	89	dev->features &= ~(NETIF_F_TSO \| NETIF_F_TSO6);
	90	return 0;
	91	}
	92
	93	static u32 mlx4_en_get_rx_csum(struct net_device *dev)
	94	{
	95	struct mlx4_en_priv *priv = netdev_priv(dev);
	96	return priv->rx_csum;
	97	}
	98
	99	static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
	100	{
	101	struct mlx4_en_priv *priv = netdev_priv(dev);
	102	priv->rx_csum = (data != 0);
	103	return 0;
	104	}
105
106	static const char main_strings[][ETH_GSTRING_LEN] = {
107	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
108	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
109	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
110	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
111	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
112	"tx_heartbeat_errors", "tx_window_errors",
113
114	/* port statistics */
115	"lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
116	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
117	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",
118
119	/* packet statistics */
120	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
121	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
122	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
123	"tx_prio_6", "tx_prio_7",
124	};
125	#define NUM_MAIN_STATS 21
126	#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
127
128	static u32 mlx4_en_get_msglevel(struct net_device *dev)
129	{
130	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
131	}
132
133	static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
134	{
135	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
136	}
137
138	static void mlx4_en_get_wol(struct net_device *netdev,
139	struct ethtool_wolinfo *wol)
140	{
141	wol->supported = 0;
142	wol->wolopts = 0;
c27a02cd YP	143	}
	144
	145	static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
	146	{
	147	struct mlx4_en_priv *priv = netdev_priv(dev);
	148
	149	if (sset != ETH_SS_STATS)
	150	return -EOPNOTSUPP;
	151
	152	return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
	153	}
	154
	155	static void mlx4_en_get_ethtool_stats(struct net_device *dev,
	156	struct ethtool_stats stats, uint64_t data)
	157	{
	158	struct mlx4_en_priv *priv = netdev_priv(dev);
	159	int index = 0;
	160	int i;
	161
	162	spin_lock_bh(&priv->stats_lock);
	163
	164	mlx4_en_update_lro_stats(priv);
	165
	166	for (i = 0; i < NUM_MAIN_STATS; i++)
	167	data[index++] = ((unsigned long *) &priv->stats)[i];
	168	for (i = 0; i < NUM_PORT_STATS; i++)
	169	data[index++] = ((unsigned long *) &priv->port_stats)[i];
	170	for (i = 0; i < priv->tx_ring_num; i++) {
	171	data[index++] = priv->tx_ring[i].packets;
	172	data[index++] = priv->tx_ring[i].bytes;
	173	}
	174	for (i = 0; i < priv->rx_ring_num; i++) {
	175	data[index++] = priv->rx_ring[i].packets;
	176	data[index++] = priv->rx_ring[i].bytes;
	177	}
	178	for (i = 0; i < NUM_PKT_STATS; i++)
	179	data[index++] = ((unsigned long *) &priv->pkstats)[i];
	180	spin_unlock_bh(&priv->stats_lock);
	181
	182	}
	183
	184	static void mlx4_en_get_strings(struct net_device *dev,
	185	uint32_t stringset, uint8_t *data)
	186	{
	187	struct mlx4_en_priv *priv = netdev_priv(dev);
	188	int index = 0;
	189	int i;
	190
	191	if (stringset != ETH_SS_STATS)
	192	return;
	193
	194	/* Add main counters */
	195	for (i = 0; i < NUM_MAIN_STATS; i++)
	196	strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
	197	for (i = 0; i < NUM_PORT_STATS; i++)
	198	strcpy(data + (index++) * ETH_GSTRING_LEN,
	199	main_strings[i + NUM_MAIN_STATS]);
	200	for (i = 0; i < priv->tx_ring_num; i++) {
	201	sprintf(data + (index++) * ETH_GSTRING_LEN,
	202	"tx%d_packets", i);
	203	sprintf(data + (index++) * ETH_GSTRING_LEN,
	204	"tx%d_bytes", i);
	205	}
	206	for (i = 0; i < priv->rx_ring_num; i++) {
207	sprintf(data + (index++) * ETH_GSTRING_LEN,
208	"rx%d_packets", i);
209	sprintf(data + (index++) * ETH_GSTRING_LEN,
210	"rx%d_bytes", i);
211	}
212	for (i = 0; i < NUM_PKT_STATS; i++)
213	strcpy(data + (index++) * ETH_GSTRING_LEN,
214	main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
215	}
216
217	static int mlx4_en_get_settings(struct net_device dev, struct ethtool_cmd cmd)
218	{
219	cmd->autoneg = AUTONEG_DISABLE;
220	cmd->supported = SUPPORTED_10000baseT_Full;
86669530	221	cmd->advertising = ADVERTISED_1000baseT_Full;
c27a02cd YP	222	if (netif_carrier_ok(dev)) {
	223	cmd->speed = SPEED_10000;
	224	cmd->duplex = DUPLEX_FULL;
	225	} else {
	226	cmd->speed = -1;
	227	cmd->duplex = -1;
	228	}
	229	return 0;
	230	}
	231
	232	static int mlx4_en_set_settings(struct net_device dev, struct ethtool_cmd cmd)
	233	{
	234	if ((cmd->autoneg == AUTONEG_ENABLE) \|\|
	235	(cmd->speed != SPEED_10000) \|\| (cmd->duplex != DUPLEX_FULL))
	236	return -EINVAL;
	237
	238	/* Nothing to change */
	239	return 0;
	240	}
	241
	242	static int mlx4_en_get_coalesce(struct net_device *dev,
	243	struct ethtool_coalesce *coal)
	244	{
	245	struct mlx4_en_priv *priv = netdev_priv(dev);
	246
	247	coal->tx_coalesce_usecs = 0;
	248	coal->tx_max_coalesced_frames = 0;
	249	coal->rx_coalesce_usecs = priv->rx_usecs;
	250	coal->rx_max_coalesced_frames = priv->rx_frames;
	251
	252	coal->pkt_rate_low = priv->pkt_rate_low;
	253	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
	254	coal->pkt_rate_high = priv->pkt_rate_high;
	255	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
	256	coal->rate_sample_interval = priv->sample_interval;
	257	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
	258	return 0;
	259	}
	260
	261	static int mlx4_en_set_coalesce(struct net_device *dev,
	262	struct ethtool_coalesce *coal)
	263	{
	264	struct mlx4_en_priv *priv = netdev_priv(dev);
	265	int err, i;
	266
	267	priv->rx_frames = (coal->rx_max_coalesced_frames ==
	268	MLX4_EN_AUTO_CONF) ?
3db36fb2	269	MLX4_EN_RX_COAL_TARGET :
c27a02cd YP	270	coal->rx_max_coalesced_frames;
	271	priv->rx_usecs = (coal->rx_coalesce_usecs ==
	272	MLX4_EN_AUTO_CONF) ?
	273	MLX4_EN_RX_COAL_TIME :
	274	coal->rx_coalesce_usecs;
	275
	276	/* Set adaptive coalescing params */
	277	priv->pkt_rate_low = coal->pkt_rate_low;
	278	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
	279	priv->pkt_rate_high = coal->pkt_rate_high;
	280	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
	281	priv->sample_interval = coal->rate_sample_interval;
	282	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
	283	priv->last_moder_time = MLX4_EN_AUTO_CONF;
	284	if (priv->adaptive_rx_coal)
	285	return 0;
	286
	287	for (i = 0; i < priv->rx_ring_num; i++) {
	288	priv->rx_cq[i].moder_cnt = priv->rx_frames;
	289	priv->rx_cq[i].moder_time = priv->rx_usecs;
	290	err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
	291	if (err)
	292	return err;
	293	}
	294	return 0;
	295	}
	296
	297	static int mlx4_en_set_pauseparam(struct net_device *dev,
	298	struct ethtool_pauseparam *pause)
	299	{
	300	struct mlx4_en_priv *priv = netdev_priv(dev);
	301	struct mlx4_en_dev *mdev = priv->mdev;
	302	int err;
	303
d53b93f2 YP	304	priv->prof->tx_pause = pause->tx_pause != 0;
d53b93f2 YP	305	priv->prof->rx_pause = pause->rx_pause != 0;
c27a02cd YP	306	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
c27a02cd YP	307	priv->rx_skb_size + ETH_FCS_LEN,
d53b93f2 YP	308	priv->prof->tx_pause,
	309	priv->prof->tx_ppp,
	310	priv->prof->rx_pause,
	311	priv->prof->rx_ppp);
c27a02cd	312	if (err)
453a6082	313	en_err(priv, "Failed setting pause params\n");
c27a02cd YP	314
	315	return err;
	316	}
	317
	318	static void mlx4_en_get_pauseparam(struct net_device *dev,
	319	struct ethtool_pauseparam *pause)
	320	{
	321	struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd	322
d53b93f2 YP	323	pause->tx_pause = priv->prof->tx_pause;
d53b93f2 YP	324	pause->rx_pause = priv->prof->rx_pause;
c27a02cd YP	325	}
c27a02cd YP	326
18cc42a3 YP	327	static int mlx4_en_set_ringparam(struct net_device *dev,
	328	struct ethtool_ringparam *param)
	329	{
	330	struct mlx4_en_priv *priv = netdev_priv(dev);
	331	struct mlx4_en_dev *mdev = priv->mdev;
	332	u32 rx_size, tx_size;
	333	int port_up = 0;
	334	int err = 0;
	335
	336	if (param->rx_jumbo_pending \|\| param->rx_mini_pending)
	337	return -EINVAL;
	338
	339	rx_size = roundup_pow_of_two(param->rx_pending);
	340	rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
bd531e36	341	rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
18cc42a3 YP	342	tx_size = roundup_pow_of_two(param->tx_pending);
18cc42a3 YP	343	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
bd531e36	344	tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
18cc42a3 YP	345
	346	if (rx_size == priv->prof->rx_ring_size &&
	347	tx_size == priv->prof->tx_ring_size)
	348	return 0;
	349
	350	mutex_lock(&mdev->state_lock);
	351	if (priv->port_up) {
	352	port_up = 1;
	353	mlx4_en_stop_port(dev);
	354	}
	355
	356	mlx4_en_free_resources(priv);
	357
	358	priv->prof->tx_ring_size = tx_size;
	359	priv->prof->rx_ring_size = rx_size;
	360
	361	err = mlx4_en_alloc_resources(priv);
	362	if (err) {
453a6082	363	en_err(priv, "Failed reallocating port resources\n");
18cc42a3 YP	364	goto out;
	365	}
	366	if (port_up) {
	367	err = mlx4_en_start_port(dev);
	368	if (err)
453a6082	369	en_err(priv, "Failed starting port\n");
18cc42a3 YP	370	}
	371
	372	out:
	373	mutex_unlock(&mdev->state_lock);
	374	return err;
	375	}
	376
c27a02cd YP	377	static void mlx4_en_get_ringparam(struct net_device *dev,
	378	struct ethtool_ringparam *param)
	379	{
	380	struct mlx4_en_priv *priv = netdev_priv(dev);
	381	struct mlx4_en_dev *mdev = priv->mdev;
	382
	383	memset(param, 0, sizeof(*param));
bd531e36 YP	384	param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
bd531e36 YP	385	param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
c27a02cd YP	386	param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
	387	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
	388	}
	389
d2ef8590 AW	390	static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data)
	391	{
	392	struct mlx4_en_priv *priv = netdev_priv(dev);
	393	struct mlx4_en_dev *mdev = priv->mdev;
	394	int rc = 0;
	395	int changed = 0;
	396
	397	if (data & ~ETH_FLAG_LRO)
	398	return -EOPNOTSUPP;
	399
	400	if (data & ETH_FLAG_LRO) {
d2ef8590 AW	401	if (!(dev->features & NETIF_F_LRO))
	402	changed = 1;
	403	} else if (dev->features & NETIF_F_LRO) {
	404	changed = 1;
	405	}
	406
	407	if (changed) {
	408	if (netif_running(dev)) {
	409	mutex_lock(&mdev->state_lock);
	410	mlx4_en_stop_port(dev);
	411	}
	412	dev->features ^= NETIF_F_LRO;
	413	if (netif_running(dev)) {
	414	rc = mlx4_en_start_port(dev);
	415	if (rc)
	416	en_err(priv, "Failed to restart port\n");
	417	mutex_unlock(&mdev->state_lock);
	418	}
	419	}
	420
	421	return rc;
	422	}
	423
c27a02cd YP	424	const struct ethtool_ops mlx4_en_ethtool_ops = {
	425	.get_drvinfo = mlx4_en_get_drvinfo,
	426	.get_settings = mlx4_en_get_settings,
	427	.set_settings = mlx4_en_set_settings,
	428	#ifdef NETIF_F_TSO
	429	.get_tso = mlx4_en_get_tso,
	430	.set_tso = mlx4_en_set_tso,
	431	#endif
	432	.get_sg = ethtool_op_get_sg,
	433	.set_sg = ethtool_op_set_sg,
	434	.get_link = ethtool_op_get_link,
	435	.get_rx_csum = mlx4_en_get_rx_csum,
	436	.set_rx_csum = mlx4_en_set_rx_csum,
	437	.get_tx_csum = ethtool_op_get_tx_csum,
	438	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
	439	.get_strings = mlx4_en_get_strings,
	440	.get_sset_count = mlx4_en_get_sset_count,
	441	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
	442	.get_wol = mlx4_en_get_wol,
	443	.get_msglevel = mlx4_en_get_msglevel,
	444	.set_msglevel = mlx4_en_set_msglevel,
	445	.get_coalesce = mlx4_en_get_coalesce,
	446	.set_coalesce = mlx4_en_set_coalesce,
	447	.get_pauseparam = mlx4_en_get_pauseparam,
	448	.set_pauseparam = mlx4_en_set_pauseparam,
	449	.get_ringparam = mlx4_en_get_ringparam,
18cc42a3	450	.set_ringparam = mlx4_en_set_ringparam,
c27a02cd	451	.get_flags = ethtool_op_get_flags,
d2ef8590	452	.set_flags = mlx4_ethtool_op_set_flags,
c27a02cd YP	453	};
	454
	455
	456
	457
	458