[linux-2.6-block.git] / drivers / net / mlx4 / en_params.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"

#define MLX4_EN_PARM_INT(X, def_val, desc) \
	static unsigned int X = def_val;\
	module_param(X , uint, 0444); \
	MODULE_PARM_DESC(X, desc);


/*
 * Device scope module parameters
 */


/* Use a XOR rathern than Toeplitz hash function for RSS */
MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS");

/* RSS hash type mask - default to <saddr, daddr, sport, dport> */
MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");

/* Number of LRO sessions per Rx ring (rounded up to a power of two) */
MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
		 "Number of LRO sessions per ring or disabled (0)");

/* Priority pausing */
MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
			   " Per priority bit mask");
MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]."
			   " Per priority bit mask");

int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
{
	struct mlx4_en_profile *params = &mdev->profile;
	int i;

	params->rss_xor = (rss_xor != 0);
	params->rss_mask = rss_mask & 0x1f;
	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
	for (i = 1; i <= MLX4_MAX_PORTS; i++) {
		params->prof[i].rx_pause = 1;
		params->prof[i].rx_ppp = pfcrx;
		params->prof[i].tx_pause = 1;
		params->prof[i].tx_ppp = pfctx;
		params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
		params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
	}
	if (pfcrx || pfctx) {
		params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM;
		params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM;
	} else {
		params->prof[1].tx_ring_num = 1;
		params->prof[2].tx_ring_num = 1;
	}

	return 0;
}


/*
 * Ethtool support
 */

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;

	return;
}

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 = SUPPORTED_10000baseT_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 /
				priv->dev->mtu + 1 :
				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)
		mlx4_err(mdev, "Failed setting pause params to\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);
	tx_size = roundup_pow_of_two(param->tx_pending);
	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_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) {
		mlx4_err(mdev, "Failed reallocating port resources\n");
		goto out;
	}
	if (port_up) {
		err = mlx4_en_start_port(dev);
		if (err)
			mlx4_err(mdev, "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 = mdev->dev->caps.max_rq_sg;
	param->tx_max_pending = mdev->dev->caps.max_sq_sg;
	param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_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,
	.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 = 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
	41	#define MLX4_EN_PARM_INT(X, def_val, desc) \
	42	static unsigned int X = def_val;\
	43	module_param(X , uint, 0444); \
	44	MODULE_PARM_DESC(X, desc);
	45
	46
	47	/*
	48	* Device scope module parameters
	49	*/
	50
	51
	52	/* Use a XOR rathern than Toeplitz hash function for RSS */
	53	MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS");
	54
	55	/* RSS hash type mask - default to <saddr, daddr, sport, dport> */
	56	MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");
	57
	58	/* Number of LRO sessions per Rx ring (rounded up to a power of two) */
	59	MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
	60	"Number of LRO sessions per ring or disabled (0)");
	61
	62	/* Priority pausing */
c27a02cd YP	63	MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
	64	" Per priority bit mask");
	65	MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]."
	66	" Per priority bit mask");
	67
c27a02cd YP	68	int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
	69	{
	70	struct mlx4_en_profile *params = &mdev->profile;
d53b93f2	71	int i;
c27a02cd	72
c27a02cd YP	73	params->rss_xor = (rss_xor != 0);
	74	params->rss_mask = rss_mask & 0x1f;
	75	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
d53b93f2	76	for (i = 1; i <= MLX4_MAX_PORTS; i++) {
26c743be	77	params->prof[i].rx_pause = 1;
d53b93f2	78	params->prof[i].rx_ppp = pfcrx;
26c743be	79	params->prof[i].tx_pause = 1;
d53b93f2	80	params->prof[i].tx_ppp = pfctx;
18cc42a3 YP	81	params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
18cc42a3 YP	82	params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
d53b93f2 YP	83	}
d53b93f2 YP	84	if (pfcrx \|\| pfctx) {
c27a02cd YP	85	params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM;
	86	params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM;
	87	} else {
	88	params->prof[1].tx_ring_num = 1;
	89	params->prof[2].tx_ring_num = 1;
	90	}
c27a02cd	91
c27a02cd YP	92	return 0;
	93	}
	94
	95
	96	/*
	97	* Ethtool support
	98	*/
	99
	100	static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
	101	{
	102	int i;
	103
	104	priv->port_stats.lro_aggregated = 0;
	105	priv->port_stats.lro_flushed = 0;
	106	priv->port_stats.lro_no_desc = 0;
	107
	108	for (i = 0; i < priv->rx_ring_num; i++) {
	109	priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
	110	priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
	111	priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
	112	}
	113	}
	114
	115	static void
	116	mlx4_en_get_drvinfo(struct net_device dev, struct ethtool_drvinfo drvinfo)
	117	{
	118	struct mlx4_en_priv *priv = netdev_priv(dev);
	119	struct mlx4_en_dev *mdev = priv->mdev;
	120
	121	sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
	122	strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
	123	sprintf(drvinfo->fw_version, "%d.%d.%d",
	124	(u16) (mdev->dev->caps.fw_ver >> 32),
	125	(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
	126	(u16) (mdev->dev->caps.fw_ver & 0xffff));
	127	strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
	128	drvinfo->n_stats = 0;
	129	drvinfo->regdump_len = 0;
	130	drvinfo->eedump_len = 0;
	131	}
	132
	133	static u32 mlx4_en_get_tso(struct net_device *dev)
	134	{
	135	return (dev->features & NETIF_F_TSO) != 0;
	136	}
	137
	138	static int mlx4_en_set_tso(struct net_device *dev, u32 data)
	139	{
	140	struct mlx4_en_priv *priv = netdev_priv(dev);
	141
	142	if (data) {
	143	if (!priv->mdev->LSO_support)
	144	return -EPERM;
	145	dev->features \|= (NETIF_F_TSO \| NETIF_F_TSO6);
	146	} else
	147	dev->features &= ~(NETIF_F_TSO \| NETIF_F_TSO6);
	148	return 0;
	149	}
	150
	151	static u32 mlx4_en_get_rx_csum(struct net_device *dev)
	152	{
	153	struct mlx4_en_priv *priv = netdev_priv(dev);
	154	return priv->rx_csum;
	155	}
156
157	static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
158	{
159	struct mlx4_en_priv *priv = netdev_priv(dev);
160	priv->rx_csum = (data != 0);
161	return 0;
162	}
163
164	static const char main_strings[][ETH_GSTRING_LEN] = {
165	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
166	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
167	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
168	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
169	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
170	"tx_heartbeat_errors", "tx_window_errors",
171
172	/* port statistics */
173	"lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
174	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
175	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",
176
177	/* packet statistics */
178	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
179	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
180	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
181	"tx_prio_6", "tx_prio_7",
182	};
183	#define NUM_MAIN_STATS 21
184	#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
185
186	static u32 mlx4_en_get_msglevel(struct net_device *dev)
187	{
188	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
189	}
190
191	static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
192	{
193	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
194	}
195
196	static void mlx4_en_get_wol(struct net_device *netdev,
197	struct ethtool_wolinfo *wol)
198	{
199	wol->supported = 0;
200	wol->wolopts = 0;
201
202	return;
203	}
204
205	static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
206	{
207	struct mlx4_en_priv *priv = netdev_priv(dev);
208
209	if (sset != ETH_SS_STATS)
210	return -EOPNOTSUPP;
211
212	return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
213	}
214
215	static void mlx4_en_get_ethtool_stats(struct net_device *dev,
216	struct ethtool_stats stats, uint64_t data)
217	{
218	struct mlx4_en_priv *priv = netdev_priv(dev);
219	int index = 0;
220	int i;
221
222	spin_lock_bh(&priv->stats_lock);
223
224	mlx4_en_update_lro_stats(priv);
225
226	for (i = 0; i < NUM_MAIN_STATS; i++)
227	data[index++] = ((unsigned long *) &priv->stats)[i];
228	for (i = 0; i < NUM_PORT_STATS; i++)
229	data[index++] = ((unsigned long *) &priv->port_stats)[i];
230	for (i = 0; i < priv->tx_ring_num; i++) {
231	data[index++] = priv->tx_ring[i].packets;
232	data[index++] = priv->tx_ring[i].bytes;
233	}
234	for (i = 0; i < priv->rx_ring_num; i++) {
235	data[index++] = priv->rx_ring[i].packets;
236	data[index++] = priv->rx_ring[i].bytes;
237	}
238	for (i = 0; i < NUM_PKT_STATS; i++)
239	data[index++] = ((unsigned long *) &priv->pkstats)[i];
240	spin_unlock_bh(&priv->stats_lock);
241
242	}
243
244	static void mlx4_en_get_strings(struct net_device *dev,
245	uint32_t stringset, uint8_t *data)
246	{
247	struct mlx4_en_priv *priv = netdev_priv(dev);
248	int index = 0;
249	int i;
250
251	if (stringset != ETH_SS_STATS)
252	return;
253
254	/* Add main counters */
255	for (i = 0; i < NUM_MAIN_STATS; i++)
256	strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
257	for (i = 0; i < NUM_PORT_STATS; i++)
258	strcpy(data + (index++) * ETH_GSTRING_LEN,
259	main_strings[i + NUM_MAIN_STATS]);
260	for (i = 0; i < priv->tx_ring_num; i++) {
261	sprintf(data + (index++) * ETH_GSTRING_LEN,
262	"tx%d_packets", i);
263	sprintf(data + (index++) * ETH_GSTRING_LEN,
264	"tx%d_bytes", i);
265	}
266	for (i = 0; i < priv->rx_ring_num; i++) {
267	sprintf(data + (index++) * ETH_GSTRING_LEN,
268	"rx%d_packets", i);
269	sprintf(data + (index++) * ETH_GSTRING_LEN,
270	"rx%d_bytes", i);
271	}
272	for (i = 0; i < NUM_PKT_STATS; i++)
273	strcpy(data + (index++) * ETH_GSTRING_LEN,
274	main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
275	}
276
277	static int mlx4_en_get_settings(struct net_device dev, struct ethtool_cmd cmd)
278	{
279	cmd->autoneg = AUTONEG_DISABLE;
280	cmd->supported = SUPPORTED_10000baseT_Full;
281	cmd->advertising = SUPPORTED_10000baseT_Full;
282	if (netif_carrier_ok(dev)) {
283	cmd->speed = SPEED_10000;
284	cmd->duplex = DUPLEX_FULL;
285	} else {
286	cmd->speed = -1;
287	cmd->duplex = -1;
288	}
289	return 0;
290	}
291
292	static int mlx4_en_set_settings(struct net_device dev, struct ethtool_cmd cmd)
293	{
294	if ((cmd->autoneg == AUTONEG_ENABLE) \|\|
295	(cmd->speed != SPEED_10000) \|\| (cmd->duplex != DUPLEX_FULL))
296	return -EINVAL;
297
298	/* Nothing to change */
299	return 0;
300	}
301
302	static int mlx4_en_get_coalesce(struct net_device *dev,
303	struct ethtool_coalesce *coal)
304	{
305	struct mlx4_en_priv *priv = netdev_priv(dev);
306
307	coal->tx_coalesce_usecs = 0;
308	coal->tx_max_coalesced_frames = 0;
309	coal->rx_coalesce_usecs = priv->rx_usecs;
310	coal->rx_max_coalesced_frames = priv->rx_frames;
311
312	coal->pkt_rate_low = priv->pkt_rate_low;
313	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
314	coal->pkt_rate_high = priv->pkt_rate_high;
315	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
316	coal->rate_sample_interval = priv->sample_interval;
317	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
318	return 0;
319	}
320
321	static int mlx4_en_set_coalesce(struct net_device *dev,
322	struct ethtool_coalesce *coal)
323	{
324	struct mlx4_en_priv *priv = netdev_priv(dev);
325	int err, i;
326
327	priv->rx_frames = (coal->rx_max_coalesced_frames ==
328	MLX4_EN_AUTO_CONF) ?
329	MLX4_EN_RX_COAL_TARGET /
330	priv->dev->mtu + 1 :
331	coal->rx_max_coalesced_frames;
332	priv->rx_usecs = (coal->rx_coalesce_usecs ==
333	MLX4_EN_AUTO_CONF) ?
334	MLX4_EN_RX_COAL_TIME :
335	coal->rx_coalesce_usecs;
336
337	/* Set adaptive coalescing params */
338	priv->pkt_rate_low = coal->pkt_rate_low;
339	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
340	priv->pkt_rate_high = coal->pkt_rate_high;
341	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
342	priv->sample_interval = coal->rate_sample_interval;
343	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
344	priv->last_moder_time = MLX4_EN_AUTO_CONF;
345	if (priv->adaptive_rx_coal)
346	return 0;
347
348	for (i = 0; i < priv->rx_ring_num; i++) {
349	priv->rx_cq[i].moder_cnt = priv->rx_frames;
350	priv->rx_cq[i].moder_time = priv->rx_usecs;
351	err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
352	if (err)
353	return err;
354	}
355	return 0;
356	}
357
358	static int mlx4_en_set_pauseparam(struct net_device *dev,
359	struct ethtool_pauseparam *pause)
360	{
361	struct mlx4_en_priv *priv = netdev_priv(dev);
362	struct mlx4_en_dev *mdev = priv->mdev;
363	int err;
364
d53b93f2 YP	365	priv->prof->tx_pause = pause->tx_pause != 0;
d53b93f2 YP	366	priv->prof->rx_pause = pause->rx_pause != 0;
c27a02cd YP	367	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
c27a02cd YP	368	priv->rx_skb_size + ETH_FCS_LEN,
d53b93f2 YP	369	priv->prof->tx_pause,
	370	priv->prof->tx_ppp,
	371	priv->prof->rx_pause,
	372	priv->prof->rx_ppp);
c27a02cd YP	373	if (err)
	374	mlx4_err(mdev, "Failed setting pause params to\n");
	375
	376	return err;
	377	}
	378
	379	static void mlx4_en_get_pauseparam(struct net_device *dev,
	380	struct ethtool_pauseparam *pause)
	381	{
	382	struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd	383
d53b93f2 YP	384	pause->tx_pause = priv->prof->tx_pause;
d53b93f2 YP	385	pause->rx_pause = priv->prof->rx_pause;
c27a02cd YP	386	}
c27a02cd YP	387
18cc42a3 YP	388	static int mlx4_en_set_ringparam(struct net_device *dev,
	389	struct ethtool_ringparam *param)
	390	{
	391	struct mlx4_en_priv *priv = netdev_priv(dev);
	392	struct mlx4_en_dev *mdev = priv->mdev;
	393	u32 rx_size, tx_size;
	394	int port_up = 0;
	395	int err = 0;
	396
	397	if (param->rx_jumbo_pending \|\| param->rx_mini_pending)
	398	return -EINVAL;
	399
	400	rx_size = roundup_pow_of_two(param->rx_pending);
	401	rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
	402	tx_size = roundup_pow_of_two(param->tx_pending);
	403	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
	404
	405	if (rx_size == priv->prof->rx_ring_size &&
	406	tx_size == priv->prof->tx_ring_size)
	407	return 0;
	408
	409	mutex_lock(&mdev->state_lock);
	410	if (priv->port_up) {
	411	port_up = 1;
	412	mlx4_en_stop_port(dev);
	413	}
	414
	415	mlx4_en_free_resources(priv);
	416
	417	priv->prof->tx_ring_size = tx_size;
	418	priv->prof->rx_ring_size = rx_size;
	419
	420	err = mlx4_en_alloc_resources(priv);
	421	if (err) {
	422	mlx4_err(mdev, "Failed reallocating port resources\n");
	423	goto out;
	424	}
	425	if (port_up) {
	426	err = mlx4_en_start_port(dev);
	427	if (err)
	428	mlx4_err(mdev, "Failed starting port\n");
	429	}
	430
	431	out:
	432	mutex_unlock(&mdev->state_lock);
	433	return err;
	434	}
	435
c27a02cd YP	436	static void mlx4_en_get_ringparam(struct net_device *dev,
	437	struct ethtool_ringparam *param)
	438	{
	439	struct mlx4_en_priv *priv = netdev_priv(dev);
	440	struct mlx4_en_dev *mdev = priv->mdev;
	441
	442	memset(param, 0, sizeof(*param));
	443	param->rx_max_pending = mdev->dev->caps.max_rq_sg;
	444	param->tx_max_pending = mdev->dev->caps.max_sq_sg;
	445	param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
	446	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
	447	}
	448
	449	const struct ethtool_ops mlx4_en_ethtool_ops = {
	450	.get_drvinfo = mlx4_en_get_drvinfo,
	451	.get_settings = mlx4_en_get_settings,
	452	.set_settings = mlx4_en_set_settings,
	453	#ifdef NETIF_F_TSO
	454	.get_tso = mlx4_en_get_tso,
	455	.set_tso = mlx4_en_set_tso,
	456	#endif
	457	.get_sg = ethtool_op_get_sg,
	458	.set_sg = ethtool_op_set_sg,
	459	.get_link = ethtool_op_get_link,
	460	.get_rx_csum = mlx4_en_get_rx_csum,
	461	.set_rx_csum = mlx4_en_set_rx_csum,
	462	.get_tx_csum = ethtool_op_get_tx_csum,
	463	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
	464	.get_strings = mlx4_en_get_strings,
	465	.get_sset_count = mlx4_en_get_sset_count,
	466	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
	467	.get_wol = mlx4_en_get_wol,
	468	.get_msglevel = mlx4_en_get_msglevel,
	469	.set_msglevel = mlx4_en_set_msglevel,
	470	.get_coalesce = mlx4_en_get_coalesce,
	471	.set_coalesce = mlx4_en_set_coalesce,
	472	.get_pauseparam = mlx4_en_get_pauseparam,
	473	.set_pauseparam = mlx4_en_set_pauseparam,
	474	.get_ringparam = mlx4_en_get_ringparam,
18cc42a3	475	.set_ringparam = mlx4_en_set_ringparam,
c27a02cd YP	476	.get_flags = ethtool_op_get_flags,
	477	.set_flags = ethtool_op_set_flags,
	478	};
	479
	480
	481
	482
	483