qlcnic_ethtool.c

/*
 * QLogic qlcnic NIC Driver
 * Copyright (c) 2009-2013 QLogic Corporation
 *
 * See LICENSE.qlcnic for copyright and licensing details.
 */

#include <linux/types.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/io.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>

#include "qlcnic.h"

struct qlcnic_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define QLC_SIZEOF(m) FIELD_SIZEOF(struct qlcnic_adapter, m)
#define QLC_OFF(m) offsetof(struct qlcnic_adapter, m)
static const u32 qlcnic_fw_dump_level[] = {
	0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff
};

static const struct qlcnic_stats qlcnic_gstrings_stats[] = {
	{"xmit_called", QLC_SIZEOF(stats.xmitcalled),
		QLC_OFF(stats.xmitcalled)},
	{"xmit_finished", QLC_SIZEOF(stats.xmitfinished),
		QLC_OFF(stats.xmitfinished)},
	{"rx_dropped", QLC_SIZEOF(stats.rxdropped), QLC_OFF(stats.rxdropped)},
	{"tx_dropped", QLC_SIZEOF(stats.txdropped), QLC_OFF(stats.txdropped)},
	{"csummed", QLC_SIZEOF(stats.csummed), QLC_OFF(stats.csummed)},
	{"rx_pkts", QLC_SIZEOF(stats.rx_pkts), QLC_OFF(stats.rx_pkts)},
	{"lro_pkts", QLC_SIZEOF(stats.lro_pkts), QLC_OFF(stats.lro_pkts)},
	{"rx_bytes", QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)},
	{"tx_bytes", QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)},
	{"lrobytes", QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)},
	{"lso_frames", QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)},
	{"xmit_on", QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)},
	{"xmit_off", QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)},
	{"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure),
	 QLC_OFF(stats.skb_alloc_failure)},
	{"null rxbuf", QLC_SIZEOF(stats.null_rxbuf), QLC_OFF(stats.null_rxbuf)},
	{"rx dma map error", QLC_SIZEOF(stats.rx_dma_map_error),
					 QLC_OFF(stats.rx_dma_map_error)},
	{"tx dma map error", QLC_SIZEOF(stats.tx_dma_map_error),
					 QLC_OFF(stats.tx_dma_map_error)},
	{"mac_filter_limit_overrun", QLC_SIZEOF(stats.mac_filter_limit_overrun),
				QLC_OFF(stats.mac_filter_limit_overrun)},
	{"spurious intr", QLC_SIZEOF(stats.spurious_intr),
	 QLC_OFF(stats.spurious_intr)},

};

static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
	"rx unicast frames",
	"rx multicast frames",
	"rx broadcast frames",
	"rx dropped frames",
	"rx errors",
	"rx local frames",
	"rx numbytes",
	"tx unicast frames",
	"tx multicast frames",
	"tx broadcast frames",
	"tx dropped frames",
	"tx errors",
	"tx local frames",
	"tx numbytes",
};

static const char qlcnic_83xx_tx_stats_strings[][ETH_GSTRING_LEN] = {
	"ctx_tx_bytes",
	"ctx_tx_pkts",
	"ctx_tx_errors",
	"ctx_tx_dropped_pkts",
	"ctx_tx_num_buffers",
};

static const char qlcnic_83xx_mac_stats_strings[][ETH_GSTRING_LEN] = {
	"mac_tx_frames",
	"mac_tx_bytes",
	"mac_tx_mcast_pkts",
	"mac_tx_bcast_pkts",
	"mac_tx_pause_cnt",
	"mac_tx_ctrl_pkt",
	"mac_tx_lt_64b_pkts",
	"mac_tx_lt_127b_pkts",
	"mac_tx_lt_255b_pkts",
	"mac_tx_lt_511b_pkts",
	"mac_tx_lt_1023b_pkts",
	"mac_tx_lt_1518b_pkts",
	"mac_tx_gt_1518b_pkts",
	"mac_rx_frames",
	"mac_rx_bytes",
	"mac_rx_mcast_pkts",
	"mac_rx_bcast_pkts",
	"mac_rx_pause_cnt",
	"mac_rx_ctrl_pkt",
	"mac_rx_lt_64b_pkts",
	"mac_rx_lt_127b_pkts",
	"mac_rx_lt_255b_pkts",
	"mac_rx_lt_511b_pkts",
	"mac_rx_lt_1023b_pkts",
	"mac_rx_lt_1518b_pkts",
	"mac_rx_gt_1518b_pkts",
	"mac_rx_length_error",
	"mac_rx_length_small",
	"mac_rx_length_large",
	"mac_rx_jabber",
	"mac_rx_dropped",
	"mac_crc_error",
	"mac_align_error",
	"eswitch_frames",
	"eswitch_bytes",
	"eswitch_multicast_frames",
	"eswitch_broadcast_frames",
	"eswitch_unicast_frames",
	"eswitch_error_free_frames",
	"eswitch_error_free_bytes",
};

#define QLCNIC_STATS_LEN	ARRAY_SIZE(qlcnic_gstrings_stats)

static const char qlcnic_tx_ring_stats_strings[][ETH_GSTRING_LEN] = {
	"xmit_on",
	"xmit_off",
	"xmit_called",
	"xmit_finished",
};

static const char qlcnic_83xx_rx_stats_strings[][ETH_GSTRING_LEN] = {
	"ctx_rx_bytes",
	"ctx_rx_pkts",
	"ctx_lro_pkt_cnt",
	"ctx_ip_csum_error",
	"ctx_rx_pkts_wo_ctx",
	"ctx_rx_pkts_drop_wo_sds_on_card",
	"ctx_rx_pkts_drop_wo_sds_on_host",
	"ctx_rx_osized_pkts",
	"ctx_rx_pkts_dropped_wo_rds",
	"ctx_rx_unexpected_mcast_pkts",
	"ctx_invalid_mac_address",
	"ctx_rx_rds_ring_prim_attempted",
	"ctx_rx_rds_ring_prim_success",
	"ctx_num_lro_flows_added",
	"ctx_num_lro_flows_removed",
	"ctx_num_lro_flows_active",
	"ctx_pkts_dropped_unknown",
};

static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register_Test_on_offline",
	"Link_Test_on_offline",
	"Interrupt_Test_offline",
	"Internal_Loopback_offline",
	"External_Loopback_offline",
	"EEPROM_Test_offline"
};

#define QLCNIC_TEST_LEN	ARRAY_SIZE(qlcnic_gstrings_test)

static inline int qlcnic_82xx_statistics(void)
{
	return ARRAY_SIZE(qlcnic_device_gstrings_stats) +
	       ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
}

static inline int qlcnic_83xx_statistics(void)
{
	return ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
	       ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
	       ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
}

static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter)
{
	if (qlcnic_82xx_check(adapter))
		return qlcnic_82xx_statistics();
	else if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_statistics();
	else
		return -1;
}

#define QLCNIC_RING_REGS_COUNT	20
#define QLCNIC_RING_REGS_LEN	(QLCNIC_RING_REGS_COUNT * sizeof(u32))
#define QLCNIC_MAX_EEPROM_LEN   1024

static const u32 diag_registers[] = {
	QLCNIC_CMDPEG_STATE,
	QLCNIC_RCVPEG_STATE,
	QLCNIC_FW_CAPABILITIES,
	QLCNIC_CRB_DRV_ACTIVE,
	QLCNIC_CRB_DEV_STATE,
	QLCNIC_CRB_DRV_STATE,
	QLCNIC_CRB_DRV_SCRATCH,
	QLCNIC_CRB_DEV_PARTITION_INFO,
	QLCNIC_CRB_DRV_IDC_VER,
	QLCNIC_PEG_ALIVE_COUNTER,
	QLCNIC_PEG_HALT_STATUS1,
	QLCNIC_PEG_HALT_STATUS2,
	-1
};


static const u32 ext_diag_registers[] = {
	CRB_XG_STATE_P3P,
	ISR_INT_STATE_REG,
	QLCNIC_CRB_PEG_NET_0+0x3c,
	QLCNIC_CRB_PEG_NET_1+0x3c,
	QLCNIC_CRB_PEG_NET_2+0x3c,
	QLCNIC_CRB_PEG_NET_4+0x3c,
	-1
};

#define QLCNIC_MGMT_API_VERSION	2
#define QLCNIC_ETHTOOL_REGS_VER	3

static int qlcnic_get_regs_len(struct net_device *dev)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u32 len;

	if (qlcnic_83xx_check(adapter))
		len = qlcnic_83xx_get_regs_len(adapter);
	else
		len = sizeof(ext_diag_registers) + sizeof(diag_registers);

	return QLCNIC_RING_REGS_LEN + len + QLCNIC_DEV_INFO_SIZE + 1;
}

static int qlcnic_get_eeprom_len(struct net_device *dev)
{
	return QLCNIC_FLASH_TOTAL_SIZE;
}

static void
qlcnic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u32 fw_major, fw_minor, fw_build;
	fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
	fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
	fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
		"%d.%d.%d", fw_major, fw_minor, fw_build);

	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
		sizeof(drvinfo->bus_info));
	strlcpy(drvinfo->driver, qlcnic_driver_name, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, QLCNIC_LINUX_VERSIONID,
		sizeof(drvinfo->version));
}

static int
qlcnic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);

	if (qlcnic_82xx_check(adapter))
		return qlcnic_82xx_get_settings(adapter, ecmd);
	else if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_get_settings(adapter, ecmd);

	return -EIO;
}

int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter,
			     struct ethtool_cmd *ecmd)
{
	struct qlcnic_hardware_context *ahw = adapter->ahw;
	u32 speed, reg;
	int check_sfp_module = 0, err = 0;
	u16 pcifn = ahw->pci_func;

	/* read which mode */
	if (adapter->ahw->port_type == QLCNIC_GBE) {
		ecmd->supported = (SUPPORTED_10baseT_Half |
				   SUPPORTED_10baseT_Full |
				   SUPPORTED_100baseT_Half |
				   SUPPORTED_100baseT_Full |
				   SUPPORTED_1000baseT_Half |
				   SUPPORTED_1000baseT_Full);

		ecmd->advertising = (ADVERTISED_100baseT_Half |
				     ADVERTISED_100baseT_Full |
				     ADVERTISED_1000baseT_Half |
				     ADVERTISED_1000baseT_Full);

		ethtool_cmd_speed_set(ecmd, adapter->ahw->link_speed);
		ecmd->duplex = adapter->ahw->link_duplex;
		ecmd->autoneg = adapter->ahw->link_autoneg;

	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
		u32 val = 0;
		val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err);

		if (val == QLCNIC_PORT_MODE_802_3_AP) {
			ecmd->supported = SUPPORTED_1000baseT_Full;
			ecmd->advertising = ADVERTISED_1000baseT_Full;
		} else {
			ecmd->supported = SUPPORTED_10000baseT_Full;
			ecmd->advertising = ADVERTISED_10000baseT_Full;
		}

		if (netif_running(adapter->netdev) && ahw->has_link_events) {
			if (ahw->linkup) {
				reg = QLCRD32(adapter,
					      P3P_LINK_SPEED_REG(pcifn), &err);
				speed = P3P_LINK_SPEED_VAL(pcifn, reg);
				ahw->link_speed = speed * P3P_LINK_SPEED_MHZ;
			}

			ethtool_cmd_speed_set(ecmd, ahw->link_speed);
			ecmd->autoneg = ahw->link_autoneg;
			ecmd->duplex = ahw->link_duplex;
			goto skip;
		}

		ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
		ecmd->duplex = DUPLEX_UNKNOWN;
		ecmd->autoneg = AUTONEG_DISABLE;
	} else
		return -EIO;

skip:
	ecmd->phy_address = adapter->ahw->physical_port;
	ecmd->transceiver = XCVR_EXTERNAL;

	switch (adapter->ahw->board_type) {
	case QLCNIC_BRDTYPE_P3P_REF_QG:
	case QLCNIC_BRDTYPE_P3P_4_GB:
	case QLCNIC_BRDTYPE_P3P_4_GB_MM:

		ecmd->supported |= SUPPORTED_Autoneg;
		ecmd->advertising |= ADVERTISED_Autoneg;
	case QLCNIC_BRDTYPE_P3P_10G_CX4:
	case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
	case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
		ecmd->supported |= SUPPORTED_TP;
		ecmd->advertising |= ADVERTISED_TP;
		ecmd->port = PORT_TP;
		ecmd->autoneg =  adapter->ahw->link_autoneg;
		break;
	case QLCNIC_BRDTYPE_P3P_IMEZ:
	case QLCNIC_BRDTYPE_P3P_XG_LOM:
	case QLCNIC_BRDTYPE_P3P_HMEZ:
		ecmd->supported |= SUPPORTED_MII;
		ecmd->advertising |= ADVERTISED_MII;
		ecmd->port = PORT_MII;
		ecmd->autoneg = AUTONEG_DISABLE;
		break;
	case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
	case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
	case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
		ecmd->advertising |= ADVERTISED_TP;
		ecmd->supported |= SUPPORTED_TP;
		check_sfp_module = netif_running(adapter->netdev) &&
				   ahw->has_link_events;
	case QLCNIC_BRDTYPE_P3P_10G_XFP:
		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->advertising |= ADVERTISED_FIBRE;
		ecmd->port = PORT_FIBRE;
		ecmd->autoneg = AUTONEG_DISABLE;
		break;
	case QLCNIC_BRDTYPE_P3P_10G_TP:
		if (adapter->ahw->port_type == QLCNIC_XGBE) {
			ecmd->autoneg = AUTONEG_DISABLE;
			ecmd->supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
			ecmd->advertising |=
				(ADVERTISED_FIBRE | ADVERTISED_TP);
			ecmd->port = PORT_FIBRE;
			check_sfp_module = netif_running(adapter->netdev) &&
					   ahw->has_link_events;
		} else {
			ecmd->autoneg = AUTONEG_ENABLE;
			ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
			ecmd->advertising |=
				(ADVERTISED_TP | ADVERTISED_Autoneg);
			ecmd->port = PORT_TP;
		}
		break;
	default:
		dev_err(&adapter->pdev->dev, "Unsupported board model %d\n",
			adapter->ahw->board_type);
		return -EIO;
	}

	if (check_sfp_module) {
		switch (adapter->ahw->module_type) {
		case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
		case LINKEVENT_MODULE_OPTICAL_SRLR:
		case LINKEVENT_MODULE_OPTICAL_LRM:
		case LINKEVENT_MODULE_OPTICAL_SFP_1G:
			ecmd->port = PORT_FIBRE;
			break;
		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
		case LINKEVENT_MODULE_TWINAX:
			ecmd->port = PORT_TP;
			break;
		default:
			ecmd->port = PORT_OTHER;
		}
	}

	return 0;
}

static int qlcnic_set_port_config(struct qlcnic_adapter *adapter,
				  struct ethtool_cmd *ecmd)
{
	u32 ret = 0, config = 0;
	/* read which mode */
	if (ecmd->duplex)
		config |= 0x1;

	if (ecmd->autoneg)
		config |= 0x2;

	switch (ethtool_cmd_speed(ecmd)) {
	case SPEED_10:
		config |= (0 << 8);
		break;
	case SPEED_100:
		config |= (1 << 8);
		break;
	case SPEED_1000:
		config |= (10 << 8);
		break;
	default:
		return -EIO;
	}

	ret = qlcnic_fw_cmd_set_port(adapter, config);

	if (ret == QLCNIC_RCODE_NOT_SUPPORTED)
		return -EOPNOTSUPP;
	else if (ret)
		return -EIO;
	return ret;
}

static int qlcnic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
	u32 ret = 0;
	struct qlcnic_adapter *adapter = netdev_priv(dev);

	if (adapter->ahw->port_type != QLCNIC_GBE)
		return -EOPNOTSUPP;

	if (qlcnic_83xx_check(adapter))
		ret = qlcnic_83xx_set_settings(adapter, ecmd);
	else
		ret = qlcnic_set_port_config(adapter, ecmd);

	if (!ret)
		return ret;

	adapter->ahw->link_speed = ethtool_cmd_speed(ecmd);
	adapter->ahw->link_duplex = ecmd->duplex;
	adapter->ahw->link_autoneg = ecmd->autoneg;

	if (!netif_running(dev))
		return 0;

	dev->netdev_ops->ndo_stop(dev);
	return dev->netdev_ops->ndo_open(dev);
}

static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter,
				     u32 *regs_buff)
{
	int i, j = 0, err = 0;

	for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++)
		regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]);
	j = 0;
	while (ext_diag_registers[j] != -1)
		regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++],
					 &err);
	return i;
}

static void
qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
	struct qlcnic_host_sds_ring *sds_ring;
	u32 *regs_buff = p;
	int ring, i = 0;

	memset(p, 0, qlcnic_get_regs_len(dev));

	regs->version = (QLCNIC_ETHTOOL_REGS_VER << 24) |
		(adapter->ahw->revision_id << 16) | (adapter->pdev)->device;

	regs_buff[0] = (0xcafe0000 | (QLCNIC_DEV_INFO_SIZE & 0xffff));
	regs_buff[1] = QLCNIC_MGMT_API_VERSION;

	if (qlcnic_82xx_check(adapter))
		i = qlcnic_82xx_get_registers(adapter, regs_buff);
	else
		i = qlcnic_83xx_get_registers(adapter, regs_buff);

	if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
		return;

	regs_buff[i++] = 0xFFEFCDAB; /* Marker btw regs and ring count*/

	regs_buff[i++] = 1; /* No. of tx ring */
	regs_buff[i++] = le32_to_cpu(*(adapter->tx_ring->hw_consumer));
	regs_buff[i++] = readl(adapter->tx_ring->crb_cmd_producer);

	regs_buff[i++] = 2; /* No. of rx ring */
	regs_buff[i++] = readl(recv_ctx->rds_rings[0].crb_rcv_producer);
	regs_buff[i++] = readl(recv_ctx->rds_rings[1].crb_rcv_producer);

	regs_buff[i++] = adapter->max_sds_rings;

	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
		sds_ring = &(recv_ctx->sds_rings[ring]);
		regs_buff[i++] = readl(sds_ring->crb_sts_consumer);
	}
}

static u32 qlcnic_test_link(struct net_device *dev)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int err = 0;
	u32 val;

	if (qlcnic_83xx_check(adapter)) {
		val = qlcnic_83xx_test_link(adapter);
		return (val & 1) ? 0 : 1;
	}
	val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err);
	if (err == -EIO)
		return err;
	val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val);
	return (val == XG_LINK_UP_P3P) ? 0 : 1;
}

static int
qlcnic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		      u8 *bytes)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int offset;
	int ret = -1;

	if (qlcnic_83xx_check(adapter))
		return 0;
	if (eeprom->len == 0)
		return -EINVAL;

	eeprom->magic = (adapter->pdev)->vendor |
			((adapter->pdev)->device << 16);
	offset = eeprom->offset;

	if (qlcnic_82xx_check(adapter))
		ret = qlcnic_rom_fast_read_words(adapter, offset, bytes,
						 eeprom->len);
	if (ret < 0)
		return ret;

	return 0;
}

static void
qlcnic_get_ringparam(struct net_device *dev,
		struct ethtool_ringparam *ring)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);

	ring->rx_pending = adapter->num_rxd;
	ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
	ring->tx_pending = adapter->num_txd;

	ring->rx_max_pending = adapter->max_rxd;
	ring->rx_jumbo_max_pending = adapter->max_jumbo_rxd;
	ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
}

static u32
qlcnic_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
{
	u32 num_desc;
	num_desc = max(val, min);
	num_desc = min(num_desc, max);
	num_desc = roundup_pow_of_two(num_desc);

	if (val != num_desc) {
		printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
		       qlcnic_driver_name, r_name, num_desc, val);
	}

	return num_desc;
}

static int
qlcnic_set_ringparam(struct net_device *dev,
		struct ethtool_ringparam *ring)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u16 num_rxd, num_jumbo_rxd, num_txd;

	if (ring->rx_mini_pending)
		return -EOPNOTSUPP;

	num_rxd = qlcnic_validate_ringparam(ring->rx_pending,
			MIN_RCV_DESCRIPTORS, adapter->max_rxd, "rx");

	num_jumbo_rxd = qlcnic_validate_ringparam(ring->rx_jumbo_pending,
			MIN_JUMBO_DESCRIPTORS, adapter->max_jumbo_rxd,
						"rx jumbo");

	num_txd = qlcnic_validate_ringparam(ring->tx_pending,
			MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");

	if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
			num_jumbo_rxd == adapter->num_jumbo_rxd)
		return 0;

	adapter->num_rxd = num_rxd;
	adapter->num_jumbo_rxd = num_jumbo_rxd;
	adapter->num_txd = num_txd;

	return qlcnic_reset_context(adapter);
}

static void qlcnic_get_channels(struct net_device *dev,
		struct ethtool_channels *channel)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int min;

	min = min_t(int, adapter->ahw->max_rx_ques, num_online_cpus());
	channel->max_rx = rounddown_pow_of_two(min);
	channel->max_tx = min_t(int, QLCNIC_MAX_TX_RINGS, num_online_cpus());

	channel->rx_count = adapter->max_sds_rings;
	channel->tx_count = adapter->max_drv_tx_rings;
}

static int qlcnic_set_channels(struct net_device *dev,
		struct ethtool_channels *channel)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int err;
	int txq = 0;

	if (channel->other_count || channel->combined_count)
		return -EINVAL;

	if (channel->rx_count) {
		err = qlcnic_validate_max_rss(adapter, channel->rx_count);
		if (err)
			return err;
	}

	if (channel->tx_count) {
		err = qlcnic_validate_max_tx_rings(adapter, channel->tx_count);
		if (err)
			return err;
		txq = channel->tx_count;
	}

	err = qlcnic_set_max_rss(adapter, channel->rx_count, txq);
	netdev_info(dev, "allocated 0x%x sds rings and  0x%x tx rings\n",
		    adapter->max_sds_rings, adapter->max_drv_tx_rings);
	return err;
}

static void
qlcnic_get_pauseparam(struct net_device *netdev,
			  struct ethtool_pauseparam *pause)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	int port = adapter->ahw->physical_port;
	int err = 0;
	__u32 val;

	if (qlcnic_83xx_check(adapter)) {
		qlcnic_83xx_get_pauseparam(adapter, pause);
		return;
	}
	if (adapter->ahw->port_type == QLCNIC_GBE) {
		if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
			return;
		/* get flow control settings */
		val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
		if (err == -EIO)
			return;
		pause->rx_pause = qlcnic_gb_get_rx_flowctl(val);
		val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
		if (err == -EIO)
			return;
		switch (port) {
		case 0:
			pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val));
			break;
		case 1:
			pause->tx_pause = !(qlcnic_gb_get_gb1_mask(val));
			break;
		case 2:
			pause->tx_pause = !(qlcnic_gb_get_gb2_mask(val));
			break;
		case 3:
		default:
			pause->tx_pause = !(qlcnic_gb_get_gb3_mask(val));
			break;
		}
	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
		if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
			return;
		pause->rx_pause = 1;
		val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
		if (err == -EIO)
			return;
		if (port == 0)
			pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val));
		else
			pause->tx_pause = !(qlcnic_xg_get_xg1_mask(val));
	} else {
		dev_err(&netdev->dev, "Unknown board type: %x\n",
					adapter->ahw->port_type);
	}
}

static int
qlcnic_set_pauseparam(struct net_device *netdev,
			  struct ethtool_pauseparam *pause)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	int port = adapter->ahw->physical_port;
	int err = 0;
	__u32 val;

	if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_set_pauseparam(adapter, pause);

	/* read mode */
	if (adapter->ahw->port_type == QLCNIC_GBE) {
		if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
			return -EIO;
		/* set flow control */
		val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
		if (err == -EIO)
			return err;

		if (pause->rx_pause)
			qlcnic_gb_rx_flowctl(val);
		else
			qlcnic_gb_unset_rx_flowctl(val);

		QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port),
				val);
		QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val);
		/* set autoneg */
		val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
		if (err == -EIO)
			return err;
		switch (port) {
		case 0:
			if (pause->tx_pause)
				qlcnic_gb_unset_gb0_mask(val);
			else
				qlcnic_gb_set_gb0_mask(val);
			break;
		case 1:
			if (pause->tx_pause)
				qlcnic_gb_unset_gb1_mask(val);
			else
				qlcnic_gb_set_gb1_mask(val);
			break;
		case 2:
			if (pause->tx_pause)
				qlcnic_gb_unset_gb2_mask(val);
			else
				qlcnic_gb_set_gb2_mask(val);
			break;
		case 3:
		default:
			if (pause->tx_pause)
				qlcnic_gb_unset_gb3_mask(val);
			else
				qlcnic_gb_set_gb3_mask(val);
			break;
		}
		QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, val);
	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
		if (!pause->rx_pause || pause->autoneg)
			return -EOPNOTSUPP;

		if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
			return -EIO;

		val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
		if (err == -EIO)
			return err;
		if (port == 0) {
			if (pause->tx_pause)
				qlcnic_xg_unset_xg0_mask(val);
			else
				qlcnic_xg_set_xg0_mask(val);
		} else {
			if (pause->tx_pause)
				qlcnic_xg_unset_xg1_mask(val);
			else
				qlcnic_xg_set_xg1_mask(val);
		}
		QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, val);
	} else {
		dev_err(&netdev->dev, "Unknown board type: %x\n",
				adapter->ahw->port_type);
	}
	return 0;
}

static int qlcnic_reg_test(struct net_device *dev)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u32 data_read;
	int err = 0;

	if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_reg_test(adapter);

	data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err);
	if (err == -EIO)
		return err;
	if ((data_read & 0xffff) != adapter->pdev->vendor)
		return 1;

	return 0;
}

static int qlcnic_eeprom_test(struct net_device *dev)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);

	if (qlcnic_82xx_check(adapter))
		return 0;

	return qlcnic_83xx_flash_test(adapter);
}

static int qlcnic_get_sset_count(struct net_device *dev, int sset)
{
	int len;

	struct qlcnic_adapter *adapter = netdev_priv(dev);
	switch (sset) {
	case ETH_SS_TEST:
		return QLCNIC_TEST_LEN;
	case ETH_SS_STATS:
		len = qlcnic_dev_statistics_len(adapter) + QLCNIC_STATS_LEN;
		if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
		    qlcnic_83xx_check(adapter))
			return len;
		return qlcnic_82xx_statistics();
	default:
		return -EOPNOTSUPP;
	}
}

static int qlcnic_irq_test(struct net_device *netdev)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	struct qlcnic_hardware_context *ahw = adapter->ahw;
	struct qlcnic_cmd_args cmd;
	int ret, max_sds_rings = adapter->max_sds_rings;

	if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_interrupt_test(netdev);

	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
		return -EIO;

	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
	if (ret)
		goto clear_diag_irq;

	ahw->diag_cnt = 0;
	ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
	if (ret)
		goto free_diag_res;

	cmd.req.arg[1] = ahw->pci_func;
	ret = qlcnic_issue_cmd(adapter, &cmd);
	if (ret)
		goto done;

	usleep_range(1000, 12000);
	ret = !ahw->diag_cnt;

done:
	qlcnic_free_mbx_args(&cmd);

free_diag_res:
	qlcnic_diag_free_res(netdev, max_sds_rings);

clear_diag_irq:
	adapter->max_sds_rings = max_sds_rings;
	clear_bit(__QLCNIC_RESETTING, &adapter->state);

	return ret;
}

#define QLCNIC_ILB_PKT_SIZE		64
#define QLCNIC_NUM_ILB_PKT		16
#define QLCNIC_ILB_MAX_RCV_LOOP		10
#define QLCNIC_LB_PKT_POLL_DELAY_MSEC	1
#define QLCNIC_LB_PKT_POLL_COUNT	20

static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
{
	unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};

	memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE);

	memcpy(data, mac, ETH_ALEN);
	memcpy(data + ETH_ALEN, mac, ETH_ALEN);

	memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data));
}

int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[])
{
	unsigned char buff[QLCNIC_ILB_PKT_SIZE];
	qlcnic_create_loopback_buff(buff, mac);
	return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE);
}

int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode)
{
	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
	struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
	struct sk_buff *skb;
	int i, loop, cnt = 0;

	for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) {
		skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE);
		qlcnic_create_loopback_buff(skb->data, adapter->mac_addr);
		skb_put(skb, QLCNIC_ILB_PKT_SIZE);
		adapter->ahw->diag_cnt = 0;
		qlcnic_xmit_frame(skb, adapter->netdev);
		loop = 0;

		do {
			msleep(QLCNIC_LB_PKT_POLL_DELAY_MSEC);
			qlcnic_process_rcv_ring_diag(sds_ring);
			if (loop++ > QLCNIC_LB_PKT_POLL_COUNT)
				break;
		} while (!adapter->ahw->diag_cnt);

		dev_kfree_skb_any(skb);

		if (!adapter->ahw->diag_cnt)
			dev_warn(&adapter->pdev->dev,
				 "LB Test: packet #%d was not received\n",
				 i + 1);
		else
			cnt++;
	}
	if (cnt != i) {
		dev_err(&adapter->pdev->dev,
			"LB Test: failed, TX[%d], RX[%d]\n", i, cnt);
		if (mode != QLCNIC_ILB_MODE)
			dev_warn(&adapter->pdev->dev,
				 "WARNING: Please check loopback cable\n");
		return -1;
	}
	return 0;
}

int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	int max_drv_tx_rings = adapter->max_drv_tx_rings;
	int max_sds_rings = adapter->max_sds_rings;
	struct qlcnic_host_sds_ring *sds_ring;
	struct qlcnic_hardware_context *ahw = adapter->ahw;
	int loop = 0;
	int ret;

	if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_loopback_test(netdev, mode);

	if (!(ahw->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
		dev_info(&adapter->pdev->dev,
			 "Firmware do not support loopback test\n");
		return -EOPNOTSUPP;
	}

	dev_warn(&adapter->pdev->dev, "%s loopback test in progress\n",
		 mode == QLCNIC_ILB_MODE ? "internal" : "external");
	if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
		dev_warn(&adapter->pdev->dev,
			 "Loopback test not supported in nonprivileged mode\n");
		return 0;
	}

	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
		return -EBUSY;

	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
	if (ret)
		goto clear_it;

	sds_ring = &adapter->recv_ctx->sds_rings[0];
	ret = qlcnic_set_lb_mode(adapter, mode);
	if (ret)
		goto free_res;

	ahw->diag_cnt = 0;
	do {
		msleep(500);
		qlcnic_process_rcv_ring_diag(sds_ring);
		if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
			netdev_info(netdev,
				    "Firmware didn't sent link up event to loopback request\n");
			ret = -ETIMEDOUT;
			goto free_res;
		} else if (adapter->ahw->diag_cnt) {
			ret = adapter->ahw->diag_cnt;
			goto free_res;
		}
	} while (!QLCNIC_IS_LB_CONFIGURED(ahw->loopback_state));

	ret = qlcnic_do_lb_test(adapter, mode);

	qlcnic_clear_lb_mode(adapter, mode);

 free_res:
	qlcnic_diag_free_res(netdev, max_sds_rings);

 clear_it:
	adapter->max_sds_rings = max_sds_rings;
	adapter->max_drv_tx_rings = max_drv_tx_rings;
	clear_bit(__QLCNIC_RESETTING, &adapter->state);
	return ret;
}

static void
qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
		     u64 *data)
{
	memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN);

	data[0] = qlcnic_reg_test(dev);
	if (data[0])
		eth_test->flags |= ETH_TEST_FL_FAILED;

	data[1] = (u64) qlcnic_test_link(dev);
	if (data[1])
		eth_test->flags |= ETH_TEST_FL_FAILED;

	if (eth_test->flags & ETH_TEST_FL_OFFLINE) {
		data[2] = qlcnic_irq_test(dev);
		if (data[2])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		data[3] = qlcnic_loopback_test(dev, QLCNIC_ILB_MODE);
		if (data[3])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
			data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE);
			if (data[4])
				eth_test->flags |= ETH_TEST_FL_FAILED;
			eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
		}

		data[5] = qlcnic_eeprom_test(dev);
		if (data[5])
			eth_test->flags |= ETH_TEST_FL_FAILED;
	}
}

static void
qlcnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int index, i, num_stats;

	switch (stringset) {
	case ETH_SS_TEST:
		memcpy(data, *qlcnic_gstrings_test,
		       QLCNIC_TEST_LEN * ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
		num_stats = ARRAY_SIZE(qlcnic_tx_ring_stats_strings);
		for (i = 0; i < adapter->max_drv_tx_rings; i++) {
			for (index = 0; index < num_stats; index++) {
				sprintf(data, "tx_ring_%d %s", i,
					qlcnic_tx_ring_stats_strings[index]);
				data += ETH_GSTRING_LEN;
			}
		}

		for (index = 0; index < QLCNIC_STATS_LEN; index++) {
			memcpy(data + index * ETH_GSTRING_LEN,
			       qlcnic_gstrings_stats[index].stat_string,
			       ETH_GSTRING_LEN);
		}

		if (qlcnic_83xx_check(adapter)) {
			num_stats = ARRAY_SIZE(qlcnic_83xx_tx_stats_strings);
			for (i = 0; i < num_stats; i++, index++)
				memcpy(data + index * ETH_GSTRING_LEN,
				       qlcnic_83xx_tx_stats_strings[i],
				       ETH_GSTRING_LEN);
			num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
			for (i = 0; i < num_stats; i++, index++)
				memcpy(data + index * ETH_GSTRING_LEN,
				       qlcnic_83xx_mac_stats_strings[i],
				       ETH_GSTRING_LEN);
			num_stats = ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
			for (i = 0; i < num_stats; i++, index++)
				memcpy(data + index * ETH_GSTRING_LEN,
				       qlcnic_83xx_rx_stats_strings[i],
				       ETH_GSTRING_LEN);
			return;
		} else {
			num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
			for (i = 0; i < num_stats; i++, index++)
				memcpy(data + index * ETH_GSTRING_LEN,
				       qlcnic_83xx_mac_stats_strings[i],
				       ETH_GSTRING_LEN);
		}
		if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
			return;
		num_stats = ARRAY_SIZE(qlcnic_device_gstrings_stats);
		for (i = 0; i < num_stats; index++, i++) {
			memcpy(data + index * ETH_GSTRING_LEN,
			       qlcnic_device_gstrings_stats[i],
			       ETH_GSTRING_LEN);
		}
	}
}

static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
{
	if (type == QLCNIC_MAC_STATS) {
		struct qlcnic_mac_statistics *mac_stats =
					(struct qlcnic_mac_statistics *)stats;
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_frames);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bytes);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_mcast_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bcast_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_pause_cnt);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_ctrl_pkt);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_64b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_127b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_255b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_511b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1023b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1518b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_gt_1518b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_frames);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bytes);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_mcast_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bcast_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_pause_cnt);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_ctrl_pkt);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_64b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_127b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_255b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_511b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1023b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1518b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_gt_1518b_pkts);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_error);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_small);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_large);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_jabber);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_dropped);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_crc_error);
		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_align_error);
	} else if (type == QLCNIC_ESW_STATS) {
		struct __qlcnic_esw_statistics *esw_stats =
				(struct __qlcnic_esw_statistics *)stats;
		*data++ = QLCNIC_FILL_STATS(esw_stats->unicast_frames);
		*data++ = QLCNIC_FILL_STATS(esw_stats->multicast_frames);
		*data++ = QLCNIC_FILL_STATS(esw_stats->broadcast_frames);
		*data++ = QLCNIC_FILL_STATS(esw_stats->dropped_frames);
		*data++ = QLCNIC_FILL_STATS(esw_stats->errors);
		*data++ = QLCNIC_FILL_STATS(esw_stats->local_frames);
		*data++ = QLCNIC_FILL_STATS(esw_stats->numbytes);
	}
	return data;
}

static void qlcnic_get_ethtool_stats(struct net_device *dev,
				     struct ethtool_stats *stats, u64 *data)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	struct qlcnic_host_tx_ring *tx_ring;
	struct qlcnic_esw_statistics port_stats;
	struct qlcnic_mac_statistics mac_stats;
	int index, ret, length, size, ring;
	char *p;

	memset(data, 0, adapter->max_drv_tx_rings * 4 * sizeof(u64));
	for (ring = 0, index = 0; ring < adapter->max_drv_tx_rings; ring++) {
		if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
			tx_ring = &adapter->tx_ring[ring];
			*data++ = tx_ring->xmit_on;
			*data++ = tx_ring->xmit_off;
			*data++ = tx_ring->xmit_called;
			*data++ = tx_ring->xmit_finished;
		}
	}
	memset(data, 0, stats->n_stats * sizeof(u64));
	length = QLCNIC_STATS_LEN;
	for (index = 0; index < length; index++) {
		p = (char *)adapter + qlcnic_gstrings_stats[index].stat_offset;
		size = qlcnic_gstrings_stats[index].sizeof_stat;
		*data++ = (size == sizeof(u64)) ? (*(u64 *)p) : ((*(u32 *)p));
	}

	if (qlcnic_83xx_check(adapter)) {
		if (adapter->ahw->linkup)
			qlcnic_83xx_get_stats(adapter, data);
		return;
	} else {
		/* Retrieve MAC statistics from firmware */
		memset(&mac_stats, 0, sizeof(struct qlcnic_mac_statistics));
		qlcnic_get_mac_stats(adapter, &mac_stats);
		data = qlcnic_fill_stats(data, &mac_stats, QLCNIC_MAC_STATS);
	}

	if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
		return;

	memset(&port_stats, 0, sizeof(struct qlcnic_esw_statistics));
	ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
			QLCNIC_QUERY_RX_COUNTER, &port_stats.rx);
	if (ret)
		return;

	data = qlcnic_fill_stats(data, &port_stats.rx, QLCNIC_ESW_STATS);
	ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
			QLCNIC_QUERY_TX_COUNTER, &port_stats.tx);
	if (ret)
		return;

	qlcnic_fill_stats(data, &port_stats.tx, QLCNIC_ESW_STATS);
}

static int qlcnic_set_led(struct net_device *dev,
			  enum ethtool_phys_id_state state)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	int max_sds_rings = adapter->max_sds_rings;
	int err = -EIO, active = 1;

	if (qlcnic_83xx_check(adapter))
		return qlcnic_83xx_set_led(dev, state);

	if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
		netdev_warn(dev, "LED test not supported for non "
				"privilege function\n");
		return -EOPNOTSUPP;
	}

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
			return -EBUSY;

		if (test_bit(__QLCNIC_RESETTING, &adapter->state))
			break;

		if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
			if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
				break;
			set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
		}

		if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) {
			err = 0;
			break;
		}

		dev_err(&adapter->pdev->dev,
			"Failed to set LED blink state.\n");
		break;

	case ETHTOOL_ID_INACTIVE:
		active = 0;

		if (test_bit(__QLCNIC_RESETTING, &adapter->state))
			break;

		if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
			if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
				break;
			set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
		}

		if (adapter->nic_ops->config_led(adapter, 0, 0xf))
			dev_err(&adapter->pdev->dev,
				"Failed to reset LED blink state.\n");

		break;

	default:
		return -EINVAL;
	}

	if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
		qlcnic_diag_free_res(dev, max_sds_rings);

	if (!active || err)
		clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);

	return err;
}

static void
qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u32 wol_cfg;
	int err = 0;

	if (qlcnic_83xx_check(adapter))
		return;
	wol->supported = 0;
	wol->wolopts = 0;

	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
	if (err == -EIO)
		return;
	if (wol_cfg & (1UL << adapter->portnum))
		wol->supported |= WAKE_MAGIC;

	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
	if (wol_cfg & (1UL << adapter->portnum))
		wol->wolopts |= WAKE_MAGIC;
}

static int
qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct qlcnic_adapter *adapter = netdev_priv(dev);
	u32 wol_cfg;
	int err = 0;

	if (qlcnic_83xx_check(adapter))
		return -EOPNOTSUPP;
	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
	if (err == -EIO)
		return err;
	if (!(wol_cfg & (1 << adapter->portnum)))
		return -EOPNOTSUPP;

	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
	if (err == -EIO)
		return err;
	if (wol->wolopts & WAKE_MAGIC)
		wol_cfg |= 1UL << adapter->portnum;
	else
		wol_cfg &= ~(1UL << adapter->portnum);

	QLCWR32(adapter, QLCNIC_WOL_CONFIG, wol_cfg);

	return 0;
}

/*
 * Set the coalescing parameters. Currently only normal is supported.
 * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
 * firmware coalescing to default.
 */
static int qlcnic_set_intr_coalesce(struct net_device *netdev,
			struct ethtool_coalesce *ethcoal)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	struct qlcnic_nic_intr_coalesce *coal;
	u32 rx_coalesce_usecs, rx_max_frames;
	u32 tx_coalesce_usecs, tx_max_frames;

	if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
		return -EINVAL;

	/*
	* Return Error if unsupported values or
	* unsupported parameters are set.
	*/
	if (ethcoal->rx_coalesce_usecs > 0xffff ||
		ethcoal->rx_max_coalesced_frames > 0xffff ||
		ethcoal->tx_coalesce_usecs > 0xffff ||
		ethcoal->tx_max_coalesced_frames > 0xffff ||
		ethcoal->rx_coalesce_usecs_irq ||
		ethcoal->rx_max_coalesced_frames_irq ||
		ethcoal->tx_coalesce_usecs_irq ||
		ethcoal->tx_max_coalesced_frames_irq ||
		ethcoal->stats_block_coalesce_usecs ||
		ethcoal->use_adaptive_rx_coalesce ||
		ethcoal->use_adaptive_tx_coalesce ||
		ethcoal->pkt_rate_low ||
		ethcoal->rx_coalesce_usecs_low ||
		ethcoal->rx_max_coalesced_frames_low ||
		ethcoal->tx_coalesce_usecs_low ||
		ethcoal->tx_max_coalesced_frames_low ||
		ethcoal->pkt_rate_high ||
		ethcoal->rx_coalesce_usecs_high ||
		ethcoal->rx_max_coalesced_frames_high ||
		ethcoal->tx_coalesce_usecs_high ||
		ethcoal->tx_max_coalesced_frames_high)
		return -EINVAL;

	coal = &adapter->ahw->coal;

	if (qlcnic_83xx_check(adapter)) {
		if (!ethcoal->tx_coalesce_usecs ||
		    !ethcoal->tx_max_coalesced_frames ||
		    !ethcoal->rx_coalesce_usecs ||
		    !ethcoal->rx_max_coalesced_frames) {
			coal->flag = QLCNIC_INTR_DEFAULT;
			coal->type = QLCNIC_INTR_COAL_TYPE_RX;
			coal->rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
			coal->rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
			coal->tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
			coal->tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
		} else {
			tx_coalesce_usecs = ethcoal->tx_coalesce_usecs;
			tx_max_frames = ethcoal->tx_max_coalesced_frames;
			rx_coalesce_usecs = ethcoal->rx_coalesce_usecs;
			rx_max_frames = ethcoal->rx_max_coalesced_frames;
			coal->flag = 0;

			if ((coal->rx_time_us == rx_coalesce_usecs) &&
			    (coal->rx_packets == rx_max_frames)) {
				coal->type = QLCNIC_INTR_COAL_TYPE_TX;
				coal->tx_time_us = tx_coalesce_usecs;
				coal->tx_packets = tx_max_frames;
			} else if ((coal->tx_time_us == tx_coalesce_usecs) &&
				   (coal->tx_packets == tx_max_frames)) {
				coal->type = QLCNIC_INTR_COAL_TYPE_RX;
				coal->rx_time_us = rx_coalesce_usecs;
				coal->rx_packets = rx_max_frames;
			} else {
				coal->type = QLCNIC_INTR_COAL_TYPE_RX;
				coal->rx_time_us = rx_coalesce_usecs;
				coal->rx_packets = rx_max_frames;
				coal->tx_time_us = tx_coalesce_usecs;
				coal->tx_packets = tx_max_frames;
			}
		}
	} else {
		if (!ethcoal->rx_coalesce_usecs ||
		    !ethcoal->rx_max_coalesced_frames) {
			coal->flag = QLCNIC_INTR_DEFAULT;
			coal->rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
			coal->rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
		} else {
			coal->flag = 0;
			coal->rx_time_us = ethcoal->rx_coalesce_usecs;
			coal->rx_packets = ethcoal->rx_max_coalesced_frames;
		}
	}

	qlcnic_config_intr_coalesce(adapter);

	return 0;
}

static int qlcnic_get_intr_coalesce(struct net_device *netdev,
			struct ethtool_coalesce *ethcoal)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);

	if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
		return -EINVAL;

	ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us;
	ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets;
	ethcoal->tx_coalesce_usecs = adapter->ahw->coal.tx_time_us;
	ethcoal->tx_max_coalesced_frames = adapter->ahw->coal.tx_packets;

	return 0;
}

static u32 qlcnic_get_msglevel(struct net_device *netdev)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);

	return adapter->ahw->msg_enable;
}

static void qlcnic_set_msglevel(struct net_device *netdev, u32 msglvl)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);

	adapter->ahw->msg_enable = msglvl;
}

int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *adapter)
{
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
	u32 val;

	if (qlcnic_84xx_check(adapter)) {
		if (qlcnic_83xx_lock_driver(adapter))
			return -EBUSY;

		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
		val &= ~QLC_83XX_IDC_DISABLE_FW_DUMP;
		QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);

		qlcnic_83xx_unlock_driver(adapter);
	} else {
		fw_dump->enable = true;
	}

	dev_info(&adapter->pdev->dev, "FW dump enabled\n");

	return 0;
}

static int qlcnic_disable_fw_dump_state(struct qlcnic_adapter *adapter)
{
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
	u32 val;

	if (qlcnic_84xx_check(adapter)) {
		if (qlcnic_83xx_lock_driver(adapter))
			return -EBUSY;

		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
		val |= QLC_83XX_IDC_DISABLE_FW_DUMP;
		QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);

		qlcnic_83xx_unlock_driver(adapter);
	} else {
		fw_dump->enable = false;
	}

	dev_info(&adapter->pdev->dev, "FW dump disabled\n");

	return 0;
}

bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *adapter)
{
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
	bool state;
	u32 val;

	if (qlcnic_84xx_check(adapter)) {
		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
		state = (val & QLC_83XX_IDC_DISABLE_FW_DUMP) ? false : true;
	} else {
		state = fw_dump->enable;
	}

	return state;
}

static int
qlcnic_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;

	if (!fw_dump->tmpl_hdr) {
		netdev_err(adapter->netdev, "FW Dump not supported\n");
		return -ENOTSUPP;
	}

	if (fw_dump->clr)
		dump->len = fw_dump->tmpl_hdr->size + fw_dump->size;
	else
		dump->len = 0;

	if (!qlcnic_check_fw_dump_state(adapter))
		dump->flag = ETH_FW_DUMP_DISABLE;
	else
		dump->flag = fw_dump->tmpl_hdr->drv_cap_mask;

	dump->version = adapter->fw_version;
	return 0;
}

static int
qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
			void *buffer)
{
	int i, copy_sz;
	u32 *hdr_ptr;
	__le32 *data;
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;

	if (!fw_dump->tmpl_hdr) {
		netdev_err(netdev, "FW Dump not supported\n");
		return -ENOTSUPP;
	}

	if (!fw_dump->clr) {
		netdev_info(netdev, "Dump not available\n");
		return -EINVAL;
	}
	/* Copy template header first */
	copy_sz = fw_dump->tmpl_hdr->size;
	hdr_ptr = (u32 *) fw_dump->tmpl_hdr;
	data = buffer;
	for (i = 0; i < copy_sz/sizeof(u32); i++)
		*data++ = cpu_to_le32(*hdr_ptr++);

	/* Copy captured dump data */
	memcpy(buffer + copy_sz, fw_dump->data, fw_dump->size);
	dump->len = copy_sz + fw_dump->size;
	dump->flag = fw_dump->tmpl_hdr->drv_cap_mask;

	/* Free dump area once data has been captured */
	vfree(fw_dump->data);
	fw_dump->data = NULL;
	fw_dump->clr = 0;
	netdev_info(netdev, "extracted the FW dump Successfully\n");
	return 0;
}

static int qlcnic_set_dump_mask(struct qlcnic_adapter *adapter, u32 mask)
{
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
	struct net_device *netdev = adapter->netdev;

	if (!qlcnic_check_fw_dump_state(adapter)) {
		netdev_info(netdev,
			    "Can not change driver mask to 0x%x. FW dump not enabled\n",
			    mask);
		return -EOPNOTSUPP;
	}

	fw_dump->tmpl_hdr->drv_cap_mask = mask;
	netdev_info(netdev, "Driver mask changed to: 0x%x\n", mask);
	return 0;
}

static int
qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
{
	struct qlcnic_adapter *adapter = netdev_priv(netdev);
	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
	bool valid_mask = false;
	int i, ret = 0;
	u32 state;

	switch (val->flag) {
	case QLCNIC_FORCE_FW_DUMP_KEY:
		if (!fw_dump->tmpl_hdr) {
			netdev_err(netdev, "FW dump not supported\n");
			ret = -EOPNOTSUPP;
			break;
		}

		if (!qlcnic_check_fw_dump_state(adapter)) {
			netdev_info(netdev, "FW dump not enabled\n");
			ret = -EOPNOTSUPP;
			break;
		}

		if (fw_dump->clr) {
			netdev_info(netdev,
				    "Previous dump not cleared, not forcing dump\n");
			break;
		}

		netdev_info(netdev, "Forcing a FW dump\n");
		qlcnic_dev_request_reset(adapter, val->flag);
		break;
	case QLCNIC_DISABLE_FW_DUMP:
		if (!fw_dump->tmpl_hdr) {
			netdev_err(netdev, "FW dump not supported\n");
			ret = -EOPNOTSUPP;
			break;
		}

		ret = qlcnic_disable_fw_dump_state(adapter);
		break;

	case QLCNIC_ENABLE_FW_DUMP:
		if (!fw_dump->tmpl_hdr) {
			netdev_err(netdev, "FW dump not supported\n");
			ret = -EOPNOTSUPP;
			break;
		}

		ret = qlcnic_enable_fw_dump_state(adapter);
		break;

	case QLCNIC_FORCE_FW_RESET:
		netdev_info(netdev, "Forcing a FW reset\n");
		qlcnic_dev_request_reset(adapter, val->flag);
		adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
		break;
;
	case QLCNIC_SET_QUIESCENT:
	case QLCNIC_RESET_QUIESCENT:
		state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
		if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD))
			netdev_info(netdev, "Device in FAILED state\n");
		break;

	default:
		if (!fw_dump->tmpl_hdr) {
			netdev_err(netdev, "FW dump not supported\n");
			ret = -EOPNOTSUPP;
			break;
		}

		for (i = 0; i < ARRAY_SIZE(qlcnic_fw_dump_level); i++) {
			if (val->flag == qlcnic_fw_dump_level[i]) {
				valid_mask = true;
				break;
			}
		}

		if (valid_mask) {
			ret = qlcnic_set_dump_mask(adapter, val->flag);
		} else {
			netdev_info(netdev, "Invalid dump level: 0x%x\n",
				    val->flag);
			ret = -EINVAL;
		}
	}
	return ret;
}

const struct ethtool_ops qlcnic_ethtool_ops = {
	.get_settings = qlcnic_get_settings,
	.set_settings = qlcnic_set_settings,
	.get_drvinfo = qlcnic_get_drvinfo,
	.get_regs_len = qlcnic_get_regs_len,
	.get_regs = qlcnic_get_regs,
	.get_link = ethtool_op_get_link,
	.get_eeprom_len = qlcnic_get_eeprom_len,
	.get_eeprom = qlcnic_get_eeprom,
	.get_ringparam = qlcnic_get_ringparam,
	.set_ringparam = qlcnic_set_ringparam,
	.get_channels = qlcnic_get_channels,
	.set_channels = qlcnic_set_channels,
	.get_pauseparam = qlcnic_get_pauseparam,
	.set_pauseparam = qlcnic_set_pauseparam,
	.get_wol = qlcnic_get_wol,
	.set_wol = qlcnic_set_wol,
	.self_test = qlcnic_diag_test,
	.get_strings = qlcnic_get_strings,
	.get_ethtool_stats = qlcnic_get_ethtool_stats,
	.get_sset_count = qlcnic_get_sset_count,
	.get_coalesce = qlcnic_get_intr_coalesce,
	.set_coalesce = qlcnic_set_intr_coalesce,
	.set_phys_id = qlcnic_set_led,
	.set_msglevel = qlcnic_set_msglevel,
	.get_msglevel = qlcnic_get_msglevel,
	.get_dump_flag = qlcnic_get_dump_flag,
	.get_dump_data = qlcnic_get_dump_data,
	.set_dump = qlcnic_set_dump,
};

const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
	.get_settings		= qlcnic_get_settings,
	.get_drvinfo		= qlcnic_get_drvinfo,
	.get_regs_len		= qlcnic_get_regs_len,
	.get_regs		= qlcnic_get_regs,
	.get_link		= ethtool_op_get_link,
	.get_eeprom_len		= qlcnic_get_eeprom_len,
	.get_eeprom		= qlcnic_get_eeprom,
	.get_ringparam		= qlcnic_get_ringparam,
	.set_ringparam		= qlcnic_set_ringparam,
	.get_channels		= qlcnic_get_channels,
	.get_pauseparam		= qlcnic_get_pauseparam,
	.get_wol		= qlcnic_get_wol,
	.get_strings		= qlcnic_get_strings,
	.get_ethtool_stats	= qlcnic_get_ethtool_stats,
	.get_sset_count		= qlcnic_get_sset_count,
	.get_coalesce		= qlcnic_get_intr_coalesce,
	.set_coalesce		= qlcnic_set_intr_coalesce,
	.set_msglevel		= qlcnic_set_msglevel,
	.get_msglevel		= qlcnic_get_msglevel,
};