These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / ethernet / cavium / liquidio / lio_ethtool.c
diff --git a/kernel/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/kernel/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
new file mode 100644 (file)
index 0000000..245c063
--- /dev/null
@@ -0,0 +1,1216 @@
+/**********************************************************************
+* Author: Cavium, Inc.
+*
+* Contact: support@cavium.com
+*          Please include "LiquidIO" in the subject.
+*
+* Copyright (c) 2003-2015 Cavium, Inc.
+*
+* This file is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License, Version 2, as
+* published by the Free Software Foundation.
+*
+* This file is distributed in the hope that it will be useful, but
+* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+* NONINFRINGEMENT.  See the GNU General Public License for more
+* details.
+*
+* This file may also be available under a different license from Cavium.
+* Contact Cavium, Inc. for more information
+**********************************************************************/
+#include <linux/version.h>
+#include <linux/netdevice.h>
+#include <linux/net_tstamp.h>
+#include <linux/ethtool.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include "octeon_config.h"
+#include "liquidio_common.h"
+#include "octeon_droq.h"
+#include "octeon_iq.h"
+#include "response_manager.h"
+#include "octeon_device.h"
+#include "octeon_nic.h"
+#include "octeon_main.h"
+#include "octeon_network.h"
+#include "cn66xx_regs.h"
+#include "cn66xx_device.h"
+#include "cn68xx_regs.h"
+#include "cn68xx_device.h"
+#include "liquidio_image.h"
+
+struct oct_mdio_cmd_context {
+       int octeon_id;
+       wait_queue_head_t wc;
+       int cond;
+};
+
+struct oct_mdio_cmd_resp {
+       u64 rh;
+       struct oct_mdio_cmd resp;
+       u64 status;
+};
+
+#define OCT_MDIO45_RESP_SIZE   (sizeof(struct oct_mdio_cmd_resp))
+
+/* Octeon's interface mode of operation */
+enum {
+       INTERFACE_MODE_DISABLED,
+       INTERFACE_MODE_RGMII,
+       INTERFACE_MODE_GMII,
+       INTERFACE_MODE_SPI,
+       INTERFACE_MODE_PCIE,
+       INTERFACE_MODE_XAUI,
+       INTERFACE_MODE_SGMII,
+       INTERFACE_MODE_PICMG,
+       INTERFACE_MODE_NPI,
+       INTERFACE_MODE_LOOP,
+       INTERFACE_MODE_SRIO,
+       INTERFACE_MODE_ILK,
+       INTERFACE_MODE_RXAUI,
+       INTERFACE_MODE_QSGMII,
+       INTERFACE_MODE_AGL,
+};
+
+#define ARRAY_LENGTH(a) (sizeof(a) / sizeof((a)[0]))
+#define OCT_ETHTOOL_REGDUMP_LEN  4096
+#define OCT_ETHTOOL_REGSVER  1
+
+static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
+       "Instr posted",
+       "Instr processed",
+       "Instr dropped",
+       "Bytes Sent",
+       "Sgentry_sent",
+       "Inst cntreg",
+       "Tx done",
+       "Tx Iq busy",
+       "Tx dropped",
+       "Tx bytes",
+};
+
+static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = {
+       "OQ Pkts Received",
+       "OQ Bytes Received",
+       "Dropped no dispatch",
+       "Dropped nomem",
+       "Dropped toomany",
+       "Stack RX cnt",
+       "Stack RX Bytes",
+       "RX dropped",
+};
+
+#define OCTNIC_NCMD_AUTONEG_ON  0x1
+#define OCTNIC_NCMD_PHY_ON      0x2
+
+static int lio_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       struct oct_link_info *linfo;
+
+       linfo = &lio->linfo;
+
+       if (linfo->link.s.interface == INTERFACE_MODE_XAUI ||
+           linfo->link.s.interface == INTERFACE_MODE_RXAUI) {
+               ecmd->port = PORT_FIBRE;
+               ecmd->supported =
+                       (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE |
+                        SUPPORTED_Pause);
+               ecmd->advertising =
+                       (ADVERTISED_10000baseT_Full | ADVERTISED_Pause);
+               ecmd->transceiver = XCVR_EXTERNAL;
+               ecmd->autoneg = AUTONEG_DISABLE;
+
+       } else {
+               dev_err(&oct->pci_dev->dev, "Unknown link interface reported\n");
+       }
+
+       if (linfo->link.s.status) {
+               ethtool_cmd_speed_set(ecmd, linfo->link.s.speed);
+               ecmd->duplex = linfo->link.s.duplex;
+       } else {
+               ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
+               ecmd->duplex = DUPLEX_UNKNOWN;
+       }
+
+       return 0;
+}
+
+static void
+lio_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
+{
+       struct lio *lio;
+       struct octeon_device *oct;
+
+       lio = GET_LIO(netdev);
+       oct = lio->oct_dev;
+
+       memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
+       strcpy(drvinfo->driver, "liquidio");
+       strcpy(drvinfo->version, LIQUIDIO_VERSION);
+       strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
+               ETHTOOL_FWVERS_LEN);
+       strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
+}
+
+static void
+lio_ethtool_get_channels(struct net_device *dev,
+                        struct ethtool_channels *channel)
+{
+       struct lio *lio = GET_LIO(dev);
+       struct octeon_device *oct = lio->oct_dev;
+       u32 max_rx = 0, max_tx = 0, tx_count = 0, rx_count = 0;
+
+       if (OCTEON_CN6XXX(oct)) {
+               struct octeon_config *conf6x = CHIP_FIELD(oct, cn6xxx, conf);
+
+               max_rx = CFG_GET_OQ_MAX_Q(conf6x);
+               max_tx = CFG_GET_IQ_MAX_Q(conf6x);
+               rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf6x, lio->ifidx);
+               tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf6x, lio->ifidx);
+       }
+
+       channel->max_rx = max_rx;
+       channel->max_tx = max_tx;
+       channel->rx_count = rx_count;
+       channel->tx_count = tx_count;
+}
+
+static int lio_get_eeprom_len(struct net_device *netdev)
+{
+       u8 buf[128];
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct_dev = lio->oct_dev;
+       struct octeon_board_info *board_info;
+       int len;
+
+       board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
+       len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n",
+                     board_info->name, board_info->serial_number,
+                     board_info->major, board_info->minor);
+
+       return len;
+}
+
+static int
+lio_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
+              u8 *bytes)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct_dev = lio->oct_dev;
+       struct octeon_board_info *board_info;
+       int len;
+
+       if (eeprom->offset != 0)
+               return -EINVAL;
+
+       eeprom->magic = oct_dev->pci_dev->vendor;
+       board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
+       len =
+               sprintf((char *)bytes,
+                       "boardname:%s serialnum:%s maj:%lld min:%lld\n",
+                       board_info->name, board_info->serial_number,
+                       board_info->major, board_info->minor);
+
+       return 0;
+}
+
+static int octnet_gpio_access(struct net_device *netdev, int addr, int val)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       struct octnic_ctrl_pkt nctrl;
+       struct octnic_ctrl_params nparams;
+       int ret = 0;
+
+       memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
+
+       nctrl.ncmd.u64 = 0;
+       nctrl.ncmd.s.cmd = OCTNET_CMD_GPIO_ACCESS;
+       nctrl.ncmd.s.param1 = lio->linfo.ifidx;
+       nctrl.ncmd.s.param2 = addr;
+       nctrl.ncmd.s.param3 = val;
+       nctrl.wait_time = 100;
+       nctrl.netpndev = (u64)netdev;
+       nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
+
+       nparams.resp_order = OCTEON_RESP_ORDERED;
+
+       ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl, nparams);
+       if (ret < 0) {
+               dev_err(&oct->pci_dev->dev, "Failed to configure gpio value\n");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+/* Callback for when mdio command response arrives
+ */
+static void octnet_mdio_resp_callback(struct octeon_device *oct,
+                                     u32 status,
+                                     void *buf)
+{
+       struct oct_mdio_cmd_resp *mdio_cmd_rsp;
+       struct oct_mdio_cmd_context *mdio_cmd_ctx;
+       struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
+
+       mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
+       mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
+
+       oct = lio_get_device(mdio_cmd_ctx->octeon_id);
+       if (status) {
+               dev_err(&oct->pci_dev->dev, "MIDO instruction failed. Status: %llx\n",
+                       CVM_CAST64(status));
+               ACCESS_ONCE(mdio_cmd_ctx->cond) = -1;
+       } else {
+               ACCESS_ONCE(mdio_cmd_ctx->cond) = 1;
+       }
+       wake_up_interruptible(&mdio_cmd_ctx->wc);
+}
+
+/* This routine provides PHY access routines for
+ * mdio  clause45 .
+ */
+static int
+octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
+{
+       struct octeon_device *oct_dev = lio->oct_dev;
+       struct octeon_soft_command *sc;
+       struct oct_mdio_cmd_resp *mdio_cmd_rsp;
+       struct oct_mdio_cmd_context *mdio_cmd_ctx;
+       struct oct_mdio_cmd *mdio_cmd;
+       int retval = 0;
+
+       sc = (struct octeon_soft_command *)
+               octeon_alloc_soft_command(oct_dev,
+                                         sizeof(struct oct_mdio_cmd),
+                                         sizeof(struct oct_mdio_cmd_resp),
+                                         sizeof(struct oct_mdio_cmd_context));
+
+       if (!sc)
+               return -ENOMEM;
+
+       mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
+       mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
+       mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
+
+       ACCESS_ONCE(mdio_cmd_ctx->cond) = 0;
+       mdio_cmd_ctx->octeon_id = lio_get_device_id(oct_dev);
+       mdio_cmd->op = op;
+       mdio_cmd->mdio_addr = loc;
+       if (op)
+               mdio_cmd->value1 = *value;
+       mdio_cmd->value2 = lio->linfo.ifidx;
+       octeon_swap_8B_data((u64 *)mdio_cmd, sizeof(struct oct_mdio_cmd) / 8);
+
+       octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45,
+                                   0, 0, 0);
+
+       sc->wait_time = 1000;
+       sc->callback = octnet_mdio_resp_callback;
+       sc->callback_arg = sc;
+
+       init_waitqueue_head(&mdio_cmd_ctx->wc);
+
+       retval = octeon_send_soft_command(oct_dev, sc);
+
+       if (retval) {
+               dev_err(&oct_dev->pci_dev->dev,
+                       "octnet_mdio45_access instruction failed status: %x\n",
+                       retval);
+               retval =  -EBUSY;
+       } else {
+               /* Sleep on a wait queue till the cond flag indicates that the
+                * response arrived
+                */
+               sleep_cond(&mdio_cmd_ctx->wc, &mdio_cmd_ctx->cond);
+               retval = mdio_cmd_rsp->status;
+               if (retval) {
+                       dev_err(&oct_dev->pci_dev->dev, "octnet mdio45 access failed\n");
+                       retval = -EBUSY;
+               } else {
+                       octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
+                                           sizeof(struct oct_mdio_cmd) / 8);
+
+                       if (ACCESS_ONCE(mdio_cmd_ctx->cond) == 1) {
+                               if (!op)
+                                       *value = mdio_cmd_rsp->resp.value1;
+                       } else {
+                               retval = -EINVAL;
+                       }
+               }
+       }
+
+       octeon_free_soft_command(oct_dev, sc);
+
+       return retval;
+}
+
+static int lio_set_phys_id(struct net_device *netdev,
+                          enum ethtool_phys_id_state state)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       int value, ret;
+
+       switch (state) {
+       case ETHTOOL_ID_ACTIVE:
+               if (oct->chip_id == OCTEON_CN66XX) {
+                       octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
+                                          VITESSE_PHY_GPIO_DRIVEON);
+                       return 2;
+
+               } else if (oct->chip_id == OCTEON_CN68XX) {
+                       /* Save the current LED settings */
+                       ret = octnet_mdio45_access(lio, 0,
+                                                  LIO68XX_LED_BEACON_ADDR,
+                                                  &lio->phy_beacon_val);
+                       if (ret)
+                               return ret;
+
+                       ret = octnet_mdio45_access(lio, 0,
+                                                  LIO68XX_LED_CTRL_ADDR,
+                                                  &lio->led_ctrl_val);
+                       if (ret)
+                               return ret;
+
+                       /* Configure Beacon values */
+                       value = LIO68XX_LED_BEACON_CFGON;
+                       ret =
+                               octnet_mdio45_access(lio, 1,
+                                                    LIO68XX_LED_BEACON_ADDR,
+                                                    &value);
+                       if (ret)
+                               return ret;
+
+                       value = LIO68XX_LED_CTRL_CFGON;
+                       ret =
+                               octnet_mdio45_access(lio, 1,
+                                                    LIO68XX_LED_CTRL_ADDR,
+                                                    &value);
+                       if (ret)
+                               return ret;
+               } else {
+                       return -EINVAL;
+               }
+               break;
+
+       case ETHTOOL_ID_ON:
+               if (oct->chip_id == OCTEON_CN66XX) {
+                       octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
+                                          VITESSE_PHY_GPIO_HIGH);
+
+               } else if (oct->chip_id == OCTEON_CN68XX) {
+                       return -EINVAL;
+               } else {
+                       return -EINVAL;
+               }
+               break;
+
+       case ETHTOOL_ID_OFF:
+               if (oct->chip_id == OCTEON_CN66XX)
+                       octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
+                                          VITESSE_PHY_GPIO_LOW);
+               else if (oct->chip_id == OCTEON_CN68XX)
+                       return -EINVAL;
+               else
+                       return -EINVAL;
+
+               break;
+
+       case ETHTOOL_ID_INACTIVE:
+               if (oct->chip_id == OCTEON_CN66XX) {
+                       octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
+                                          VITESSE_PHY_GPIO_DRIVEOFF);
+               } else if (oct->chip_id == OCTEON_CN68XX) {
+                       /* Restore LED settings */
+                       ret = octnet_mdio45_access(lio, 1,
+                                                  LIO68XX_LED_CTRL_ADDR,
+                                                  &lio->led_ctrl_val);
+                       if (ret)
+                               return ret;
+
+                       ret = octnet_mdio45_access(lio, 1,
+                                                  LIO68XX_LED_BEACON_ADDR,
+                                                  &lio->phy_beacon_val);
+                       if (ret)
+                               return ret;
+
+               } else {
+                       return -EINVAL;
+               }
+               break;
+
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static void
+lio_ethtool_get_ringparam(struct net_device *netdev,
+                         struct ethtool_ringparam *ering)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       u32 tx_max_pending = 0, rx_max_pending = 0, tx_pending = 0,
+           rx_pending = 0;
+
+       if (OCTEON_CN6XXX(oct)) {
+               struct octeon_config *conf6x = CHIP_FIELD(oct, cn6xxx, conf);
+
+               tx_max_pending = CN6XXX_MAX_IQ_DESCRIPTORS;
+               rx_max_pending = CN6XXX_MAX_OQ_DESCRIPTORS;
+               rx_pending = CFG_GET_NUM_RX_DESCS_NIC_IF(conf6x, lio->ifidx);
+               tx_pending = CFG_GET_NUM_TX_DESCS_NIC_IF(conf6x, lio->ifidx);
+       }
+
+       if (lio->mtu > OCTNET_DEFAULT_FRM_SIZE) {
+               ering->rx_pending = 0;
+               ering->rx_max_pending = 0;
+               ering->rx_mini_pending = 0;
+               ering->rx_jumbo_pending = rx_pending;
+               ering->rx_mini_max_pending = 0;
+               ering->rx_jumbo_max_pending = rx_max_pending;
+       } else {
+               ering->rx_pending = rx_pending;
+               ering->rx_max_pending = rx_max_pending;
+               ering->rx_mini_pending = 0;
+               ering->rx_jumbo_pending = 0;
+               ering->rx_mini_max_pending = 0;
+               ering->rx_jumbo_max_pending = 0;
+       }
+
+       ering->tx_pending = tx_pending;
+       ering->tx_max_pending = tx_max_pending;
+}
+
+static u32 lio_get_msglevel(struct net_device *netdev)
+{
+       struct lio *lio = GET_LIO(netdev);
+
+       return lio->msg_enable;
+}
+
+static void lio_set_msglevel(struct net_device *netdev, u32 msglvl)
+{
+       struct lio *lio = GET_LIO(netdev);
+
+       if ((msglvl ^ lio->msg_enable) & NETIF_MSG_HW) {
+               if (msglvl & NETIF_MSG_HW)
+                       liquidio_set_feature(netdev,
+                                            OCTNET_CMD_VERBOSE_ENABLE);
+               else
+                       liquidio_set_feature(netdev,
+                                            OCTNET_CMD_VERBOSE_DISABLE);
+       }
+
+       lio->msg_enable = msglvl;
+}
+
+static void
+lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
+{
+       /* Notes: Not supporting any auto negotiation in these
+        * drivers. Just report pause frame support.
+        */
+       pause->tx_pause = 1;
+       pause->rx_pause = 1;    /* TODO: Need to support RX pause frame!!. */
+}
+
+static void
+lio_get_ethtool_stats(struct net_device *netdev,
+                     struct ethtool_stats *stats, u64 *data)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct_dev = lio->oct_dev;
+       int i = 0, j;
+
+       for (j = 0; j < MAX_OCTEON_INSTR_QUEUES; j++) {
+               if (!(oct_dev->io_qmask.iq & (1UL << j)))
+                       continue;
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted);
+               data[i++] =
+                       CVM_CAST64(
+                               oct_dev->instr_queue[j]->stats.instr_processed);
+               data[i++] =
+                       CVM_CAST64(
+                               oct_dev->instr_queue[j]->stats.instr_dropped);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent);
+               data[i++] =
+                       readl(oct_dev->instr_queue[j]->inst_cnt_reg);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped);
+               data[i++] =
+                       CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes);
+       }
+
+       /* for (j = 0; j < oct_dev->num_oqs; j++){ */
+       for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES; j++) {
+               if (!(oct_dev->io_qmask.oq & (1UL << j)))
+                       continue;
+               data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
+               data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
+               data[i++] =
+                       CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
+               data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
+               data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
+               data[i++] =
+                       CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received);
+               data[i++] =
+                       CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received);
+               data[i++] =
+                       CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
+       }
+}
+
+static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct_dev = lio->oct_dev;
+       int num_iq_stats, num_oq_stats, i, j;
+
+       num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
+       for (i = 0; i < MAX_OCTEON_INSTR_QUEUES; i++) {
+               if (!(oct_dev->io_qmask.iq & (1UL << i)))
+                       continue;
+               for (j = 0; j < num_iq_stats; j++) {
+                       sprintf(data, "IQ%d %s", i, oct_iq_stats_strings[j]);
+                       data += ETH_GSTRING_LEN;
+               }
+       }
+
+       num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
+       /* for (i = 0; i < oct_dev->num_oqs; i++) { */
+       for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES; i++) {
+               if (!(oct_dev->io_qmask.oq & (1UL << i)))
+                       continue;
+               for (j = 0; j < num_oq_stats; j++) {
+                       sprintf(data, "OQ%d %s", i, oct_droq_stats_strings[j]);
+                       data += ETH_GSTRING_LEN;
+               }
+       }
+}
+
+static int lio_get_sset_count(struct net_device *netdev, int sset)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct_dev = lio->oct_dev;
+
+       return (ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs) +
+              (ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
+}
+
+static int lio_get_intr_coalesce(struct net_device *netdev,
+                                struct ethtool_coalesce *intr_coal)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip;
+       struct octeon_instr_queue *iq;
+       struct oct_intrmod_cfg *intrmod_cfg;
+
+       intrmod_cfg = &oct->intrmod;
+
+       switch (oct->chip_id) {
+       /* case OCTEON_CN73XX: Todo */
+       /*      break; */
+       case OCTEON_CN68XX:
+       case OCTEON_CN66XX:
+               if (!intrmod_cfg->intrmod_enable) {
+                       intr_coal->rx_coalesce_usecs =
+                               CFG_GET_OQ_INTR_TIME(cn6xxx->conf);
+                       intr_coal->rx_max_coalesced_frames =
+                               CFG_GET_OQ_INTR_PKT(cn6xxx->conf);
+               } else {
+                       intr_coal->use_adaptive_rx_coalesce =
+                               intrmod_cfg->intrmod_enable;
+                       intr_coal->rate_sample_interval =
+                               intrmod_cfg->intrmod_check_intrvl;
+                       intr_coal->pkt_rate_high =
+                               intrmod_cfg->intrmod_maxpkt_ratethr;
+                       intr_coal->pkt_rate_low =
+                               intrmod_cfg->intrmod_minpkt_ratethr;
+                       intr_coal->rx_max_coalesced_frames_high =
+                               intrmod_cfg->intrmod_maxcnt_trigger;
+                       intr_coal->rx_coalesce_usecs_high =
+                               intrmod_cfg->intrmod_maxtmr_trigger;
+                       intr_coal->rx_coalesce_usecs_low =
+                               intrmod_cfg->intrmod_mintmr_trigger;
+                       intr_coal->rx_max_coalesced_frames_low =
+                               intrmod_cfg->intrmod_mincnt_trigger;
+               }
+
+               iq = oct->instr_queue[lio->linfo.txpciq[0]];
+               intr_coal->tx_max_coalesced_frames = iq->fill_threshold;
+               break;
+
+       default:
+               netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+/* Callback function for intrmod */
+static void octnet_intrmod_callback(struct octeon_device *oct_dev,
+                                   u32 status,
+                                   void *ptr)
+{
+       struct oct_intrmod_cmd *cmd = ptr;
+       struct octeon_soft_command *sc = cmd->sc;
+
+       oct_dev = cmd->oct_dev;
+
+       if (status)
+               dev_err(&oct_dev->pci_dev->dev, "intrmod config failed. Status: %llx\n",
+                       CVM_CAST64(status));
+       else
+               dev_info(&oct_dev->pci_dev->dev,
+                        "Rx-Adaptive Interrupt moderation enabled:%llx\n",
+                        oct_dev->intrmod.intrmod_enable);
+
+       octeon_free_soft_command(oct_dev, sc);
+}
+
+/*  Configure interrupt moderation parameters */
+static int octnet_set_intrmod_cfg(void *oct, struct oct_intrmod_cfg *intr_cfg)
+{
+       struct octeon_soft_command *sc;
+       struct oct_intrmod_cmd *cmd;
+       struct oct_intrmod_cfg *cfg;
+       int retval;
+       struct octeon_device *oct_dev = (struct octeon_device *)oct;
+
+       /* Alloc soft command */
+       sc = (struct octeon_soft_command *)
+               octeon_alloc_soft_command(oct_dev,
+                                         sizeof(struct oct_intrmod_cfg),
+                                         0,
+                                         sizeof(struct oct_intrmod_cmd));
+
+       if (!sc)
+               return -ENOMEM;
+
+       cmd = (struct oct_intrmod_cmd *)sc->ctxptr;
+       cfg = (struct oct_intrmod_cfg *)sc->virtdptr;
+
+       memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg));
+       octeon_swap_8B_data((u64 *)cfg, (sizeof(struct oct_intrmod_cfg)) / 8);
+       cmd->sc = sc;
+       cmd->cfg = cfg;
+       cmd->oct_dev = oct_dev;
+
+       octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
+                                   OPCODE_NIC_INTRMOD_CFG, 0, 0, 0);
+
+       sc->callback = octnet_intrmod_callback;
+       sc->callback_arg = cmd;
+       sc->wait_time = 1000;
+
+       retval = octeon_send_soft_command(oct_dev, sc);
+       if (retval) {
+               octeon_free_soft_command(oct_dev, sc);
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+/* Enable/Disable auto interrupt Moderation */
+static int oct_cfg_adaptive_intr(struct lio *lio, struct ethtool_coalesce
+                                *intr_coal, int adaptive)
+{
+       int ret = 0;
+       struct octeon_device *oct = lio->oct_dev;
+       struct oct_intrmod_cfg *intrmod_cfg;
+
+       intrmod_cfg = &oct->intrmod;
+
+       if (adaptive) {
+               if (intr_coal->rate_sample_interval)
+                       intrmod_cfg->intrmod_check_intrvl =
+                               intr_coal->rate_sample_interval;
+               else
+                       intrmod_cfg->intrmod_check_intrvl =
+                               LIO_INTRMOD_CHECK_INTERVAL;
+
+               if (intr_coal->pkt_rate_high)
+                       intrmod_cfg->intrmod_maxpkt_ratethr =
+                               intr_coal->pkt_rate_high;
+               else
+                       intrmod_cfg->intrmod_maxpkt_ratethr =
+                               LIO_INTRMOD_MAXPKT_RATETHR;
+
+               if (intr_coal->pkt_rate_low)
+                       intrmod_cfg->intrmod_minpkt_ratethr =
+                               intr_coal->pkt_rate_low;
+               else
+                       intrmod_cfg->intrmod_minpkt_ratethr =
+                               LIO_INTRMOD_MINPKT_RATETHR;
+
+               if (intr_coal->rx_max_coalesced_frames_high)
+                       intrmod_cfg->intrmod_maxcnt_trigger =
+                               intr_coal->rx_max_coalesced_frames_high;
+               else
+                       intrmod_cfg->intrmod_maxcnt_trigger =
+                               LIO_INTRMOD_MAXCNT_TRIGGER;
+
+               if (intr_coal->rx_coalesce_usecs_high)
+                       intrmod_cfg->intrmod_maxtmr_trigger =
+                               intr_coal->rx_coalesce_usecs_high;
+               else
+                       intrmod_cfg->intrmod_maxtmr_trigger =
+                               LIO_INTRMOD_MAXTMR_TRIGGER;
+
+               if (intr_coal->rx_coalesce_usecs_low)
+                       intrmod_cfg->intrmod_mintmr_trigger =
+                               intr_coal->rx_coalesce_usecs_low;
+               else
+                       intrmod_cfg->intrmod_mintmr_trigger =
+                               LIO_INTRMOD_MINTMR_TRIGGER;
+
+               if (intr_coal->rx_max_coalesced_frames_low)
+                       intrmod_cfg->intrmod_mincnt_trigger =
+                               intr_coal->rx_max_coalesced_frames_low;
+               else
+                       intrmod_cfg->intrmod_mincnt_trigger =
+                               LIO_INTRMOD_MINCNT_TRIGGER;
+       }
+
+       intrmod_cfg->intrmod_enable = adaptive;
+       ret = octnet_set_intrmod_cfg(oct, intrmod_cfg);
+
+       return ret;
+}
+
+static int
+oct_cfg_rx_intrcnt(struct lio *lio, struct ethtool_coalesce *intr_coal)
+{
+       int ret;
+       struct octeon_device *oct = lio->oct_dev;
+       struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip;
+       u32 rx_max_coalesced_frames;
+
+       if (!intr_coal->rx_max_coalesced_frames)
+               rx_max_coalesced_frames = CN6XXX_OQ_INTR_PKT;
+       else
+               rx_max_coalesced_frames = intr_coal->rx_max_coalesced_frames;
+
+       /* Disable adaptive interrupt modulation */
+       ret = oct_cfg_adaptive_intr(lio, intr_coal, 0);
+       if (ret)
+               return ret;
+
+       /* Config Cnt based interrupt values */
+       octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_PKTS,
+                        rx_max_coalesced_frames);
+       CFG_SET_OQ_INTR_PKT(cn6xxx->conf, rx_max_coalesced_frames);
+       return 0;
+}
+
+static int oct_cfg_rx_intrtime(struct lio *lio, struct ethtool_coalesce
+                              *intr_coal)
+{
+       int ret;
+       struct octeon_device *oct = lio->oct_dev;
+       struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip;
+       u32 time_threshold, rx_coalesce_usecs;
+
+       if (!intr_coal->rx_coalesce_usecs)
+               rx_coalesce_usecs = CN6XXX_OQ_INTR_TIME;
+       else
+               rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
+
+       /* Disable adaptive interrupt modulation */
+       ret = oct_cfg_adaptive_intr(lio, intr_coal, 0);
+       if (ret)
+               return ret;
+
+       /* Config Time based interrupt values */
+       time_threshold = lio_cn6xxx_get_oq_ticks(oct, rx_coalesce_usecs);
+       octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_TIME, time_threshold);
+       CFG_SET_OQ_INTR_TIME(cn6xxx->conf, rx_coalesce_usecs);
+
+       return 0;
+}
+
+static int lio_set_intr_coalesce(struct net_device *netdev,
+                                struct ethtool_coalesce *intr_coal)
+{
+       struct lio *lio = GET_LIO(netdev);
+       int ret;
+       struct octeon_device *oct = lio->oct_dev;
+       u32 j, q_no;
+
+       if ((intr_coal->tx_max_coalesced_frames >= CN6XXX_DB_MIN) &&
+           (intr_coal->tx_max_coalesced_frames <= CN6XXX_DB_MAX)) {
+               for (j = 0; j < lio->linfo.num_txpciq; j++) {
+                       q_no = lio->linfo.txpciq[j];
+                       oct->instr_queue[q_no]->fill_threshold =
+                               intr_coal->tx_max_coalesced_frames;
+               }
+       } else {
+               dev_err(&oct->pci_dev->dev,
+                       "LIQUIDIO: Invalid tx-frames:%d. Range is min:%d max:%d\n",
+                       intr_coal->tx_max_coalesced_frames, CN6XXX_DB_MIN,
+                       CN6XXX_DB_MAX);
+               return -EINVAL;
+       }
+
+       /* User requested adaptive-rx on */
+       if (intr_coal->use_adaptive_rx_coalesce) {
+               ret = oct_cfg_adaptive_intr(lio, intr_coal, 1);
+               if (ret)
+                       goto ret_intrmod;
+       }
+
+       /* User requested adaptive-rx off and rx coalesce */
+       if ((intr_coal->rx_coalesce_usecs) &&
+           (!intr_coal->use_adaptive_rx_coalesce)) {
+               ret = oct_cfg_rx_intrtime(lio, intr_coal);
+               if (ret)
+                       goto ret_intrmod;
+       }
+
+       /* User requested adaptive-rx off and rx coalesce */
+       if ((intr_coal->rx_max_coalesced_frames) &&
+           (!intr_coal->use_adaptive_rx_coalesce)) {
+               ret = oct_cfg_rx_intrcnt(lio, intr_coal);
+               if (ret)
+                       goto ret_intrmod;
+       }
+
+       /* User requested adaptive-rx off, so use default coalesce params */
+       if ((!intr_coal->rx_max_coalesced_frames) &&
+           (!intr_coal->use_adaptive_rx_coalesce) &&
+           (!intr_coal->rx_coalesce_usecs)) {
+               dev_info(&oct->pci_dev->dev,
+                        "Turning off adaptive-rx interrupt moderation\n");
+               dev_info(&oct->pci_dev->dev,
+                        "Using RX Coalesce Default values rx_coalesce_usecs:%d rx_max_coalesced_frames:%d\n",
+                        CN6XXX_OQ_INTR_TIME, CN6XXX_OQ_INTR_PKT);
+               ret = oct_cfg_rx_intrtime(lio, intr_coal);
+               if (ret)
+                       goto ret_intrmod;
+
+               ret = oct_cfg_rx_intrcnt(lio, intr_coal);
+               if (ret)
+                       goto ret_intrmod;
+       }
+
+       return 0;
+ret_intrmod:
+       return ret;
+}
+
+static int lio_get_ts_info(struct net_device *netdev,
+                          struct ethtool_ts_info *info)
+{
+       struct lio *lio = GET_LIO(netdev);
+
+       info->so_timestamping =
+               SOF_TIMESTAMPING_TX_HARDWARE |
+               SOF_TIMESTAMPING_TX_SOFTWARE |
+               SOF_TIMESTAMPING_RX_HARDWARE |
+               SOF_TIMESTAMPING_RX_SOFTWARE |
+               SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_RAW_HARDWARE;
+
+       if (lio->ptp_clock)
+               info->phc_index = ptp_clock_index(lio->ptp_clock);
+       else
+               info->phc_index = -1;
+
+       info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
+
+       info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
+                          (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
+                          (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
+                          (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
+
+       return 0;
+}
+
+static int lio_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+       struct lio *lio = GET_LIO(netdev);
+       struct octeon_device *oct = lio->oct_dev;
+       struct oct_link_info *linfo;
+       struct octnic_ctrl_pkt nctrl;
+       struct octnic_ctrl_params nparams;
+       int ret = 0;
+
+       /* get the link info */
+       linfo = &lio->linfo;
+
+       if (ecmd->autoneg != AUTONEG_ENABLE && ecmd->autoneg != AUTONEG_DISABLE)
+               return -EINVAL;
+
+       if (ecmd->autoneg == AUTONEG_DISABLE && ((ecmd->speed != SPEED_100 &&
+                                                 ecmd->speed != SPEED_10) ||
+                                                (ecmd->duplex != DUPLEX_HALF &&
+                                                 ecmd->duplex != DUPLEX_FULL)))
+               return -EINVAL;
+
+       /* Ethtool Support is not provided for XAUI and RXAUI Interfaces
+        * as they operate at fixed Speed and Duplex settings
+        */
+       if (linfo->link.s.interface == INTERFACE_MODE_XAUI ||
+           linfo->link.s.interface == INTERFACE_MODE_RXAUI) {
+               dev_info(&oct->pci_dev->dev, "XAUI IFs settings cannot be modified.\n");
+               return -EINVAL;
+       }
+
+       memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
+
+       nctrl.ncmd.u64 = 0;
+       nctrl.ncmd.s.cmd = OCTNET_CMD_SET_SETTINGS;
+       nctrl.wait_time = 1000;
+       nctrl.netpndev = (u64)netdev;
+       nctrl.ncmd.s.param1 = lio->linfo.ifidx;
+       nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
+
+       /* Passing the parameters sent by ethtool like Speed, Autoneg & Duplex
+        * to SE core application using ncmd.s.more & ncmd.s.param
+        */
+       if (ecmd->autoneg == AUTONEG_ENABLE) {
+               /* Autoneg ON */
+               nctrl.ncmd.s.more = OCTNIC_NCMD_PHY_ON |
+                                    OCTNIC_NCMD_AUTONEG_ON;
+               nctrl.ncmd.s.param2 = ecmd->advertising;
+       } else {
+               /* Autoneg OFF */
+               nctrl.ncmd.s.more = OCTNIC_NCMD_PHY_ON;
+
+               nctrl.ncmd.s.param3 = ecmd->duplex;
+
+               nctrl.ncmd.s.param2 = ecmd->speed;
+       }
+
+       nparams.resp_order = OCTEON_RESP_ORDERED;
+
+       ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl, nparams);
+       if (ret < 0) {
+               dev_err(&oct->pci_dev->dev, "Failed to set settings\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static int lio_nway_reset(struct net_device *netdev)
+{
+       if (netif_running(netdev)) {
+               struct ethtool_cmd ecmd;
+
+               memset(&ecmd, 0, sizeof(struct ethtool_cmd));
+               ecmd.autoneg = 0;
+               ecmd.speed = 0;
+               ecmd.duplex = 0;
+               lio_set_settings(netdev, &ecmd);
+       }
+       return 0;
+}
+
+/* Return register dump len. */
+static int lio_get_regs_len(struct net_device *dev)
+{
+       return OCT_ETHTOOL_REGDUMP_LEN;
+}
+
+static int cn6xxx_read_csr_reg(char *s, struct octeon_device *oct)
+{
+       u32 reg;
+       int i, len = 0;
+
+       /* PCI  Window Registers */
+
+       len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
+       reg = CN6XXX_WIN_WR_ADDR_LO;
+       len += sprintf(s + len, "\n[%02x] (WIN_WR_ADDR_LO): %08x\n",
+                      CN6XXX_WIN_WR_ADDR_LO, octeon_read_csr(oct, reg));
+       reg = CN6XXX_WIN_WR_ADDR_HI;
+       len += sprintf(s + len, "[%02x] (WIN_WR_ADDR_HI): %08x\n",
+                      CN6XXX_WIN_WR_ADDR_HI, octeon_read_csr(oct, reg));
+       reg = CN6XXX_WIN_RD_ADDR_LO;
+       len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_LO): %08x\n",
+                      CN6XXX_WIN_RD_ADDR_LO, octeon_read_csr(oct, reg));
+       reg = CN6XXX_WIN_RD_ADDR_HI;
+       len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_HI): %08x\n",
+                      CN6XXX_WIN_RD_ADDR_HI, octeon_read_csr(oct, reg));
+       reg = CN6XXX_WIN_WR_DATA_LO;
+       len += sprintf(s + len, "[%02x] (WIN_WR_DATA_LO): %08x\n",
+                      CN6XXX_WIN_WR_DATA_LO, octeon_read_csr(oct, reg));
+       reg = CN6XXX_WIN_WR_DATA_HI;
+       len += sprintf(s + len, "[%02x] (WIN_WR_DATA_HI): %08x\n",
+                      CN6XXX_WIN_WR_DATA_HI, octeon_read_csr(oct, reg));
+       len += sprintf(s + len, "[%02x] (WIN_WR_MASK_REG): %08x\n",
+                      CN6XXX_WIN_WR_MASK_REG,
+                      octeon_read_csr(oct, CN6XXX_WIN_WR_MASK_REG));
+
+       /* PCI  Interrupt Register */
+       len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 0): %08x\n",
+                      CN6XXX_SLI_INT_ENB64_PORT0, octeon_read_csr(oct,
+                                               CN6XXX_SLI_INT_ENB64_PORT0));
+       len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 1): %08x\n",
+                      CN6XXX_SLI_INT_ENB64_PORT1,
+                      octeon_read_csr(oct, CN6XXX_SLI_INT_ENB64_PORT1));
+       len += sprintf(s + len, "[%x] (INT_SUM): %08x\n", CN6XXX_SLI_INT_SUM64,
+                      octeon_read_csr(oct, CN6XXX_SLI_INT_SUM64));
+
+       /* PCI  Output queue registers */
+       for (i = 0; i < oct->num_oqs; i++) {
+               reg = CN6XXX_SLI_OQ_PKTS_SENT(i);
+               len += sprintf(s + len, "\n[%x] (PKTS_SENT_%d): %08x\n",
+                              reg, i, octeon_read_csr(oct, reg));
+               reg = CN6XXX_SLI_OQ_PKTS_CREDIT(i);
+               len += sprintf(s + len, "[%x] (PKT_CREDITS_%d): %08x\n",
+                              reg, i, octeon_read_csr(oct, reg));
+       }
+       reg = CN6XXX_SLI_OQ_INT_LEVEL_PKTS;
+       len += sprintf(s + len, "\n[%x] (PKTS_SENT_INT_LEVEL): %08x\n",
+                      reg, octeon_read_csr(oct, reg));
+       reg = CN6XXX_SLI_OQ_INT_LEVEL_TIME;
+       len += sprintf(s + len, "[%x] (PKTS_SENT_TIME): %08x\n",
+                      reg, octeon_read_csr(oct, reg));
+
+       /* PCI  Input queue registers */
+       for (i = 0; i <= 3; i++) {
+               u32 reg;
+
+               reg = CN6XXX_SLI_IQ_DOORBELL(i);
+               len += sprintf(s + len, "\n[%x] (INSTR_DOORBELL_%d): %08x\n",
+                              reg, i, octeon_read_csr(oct, reg));
+               reg = CN6XXX_SLI_IQ_INSTR_COUNT(i);
+               len += sprintf(s + len, "[%x] (INSTR_COUNT_%d): %08x\n",
+                              reg, i, octeon_read_csr(oct, reg));
+       }
+
+       /* PCI  DMA registers */
+
+       len += sprintf(s + len, "\n[%x] (DMA_CNT_0): %08x\n",
+                      CN6XXX_DMA_CNT(0),
+                      octeon_read_csr(oct, CN6XXX_DMA_CNT(0)));
+       reg = CN6XXX_DMA_PKT_INT_LEVEL(0);
+       len += sprintf(s + len, "[%x] (DMA_INT_LEV_0): %08x\n",
+                      CN6XXX_DMA_PKT_INT_LEVEL(0), octeon_read_csr(oct, reg));
+       reg = CN6XXX_DMA_TIME_INT_LEVEL(0);
+       len += sprintf(s + len, "[%x] (DMA_TIME_0): %08x\n",
+                      CN6XXX_DMA_TIME_INT_LEVEL(0),
+                      octeon_read_csr(oct, reg));
+
+       len += sprintf(s + len, "\n[%x] (DMA_CNT_1): %08x\n",
+                      CN6XXX_DMA_CNT(1),
+                      octeon_read_csr(oct, CN6XXX_DMA_CNT(1)));
+       reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
+       len += sprintf(s + len, "[%x] (DMA_INT_LEV_1): %08x\n",
+                      CN6XXX_DMA_PKT_INT_LEVEL(1),
+                      octeon_read_csr(oct, reg));
+       reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
+       len += sprintf(s + len, "[%x] (DMA_TIME_1): %08x\n",
+                      CN6XXX_DMA_TIME_INT_LEVEL(1),
+                      octeon_read_csr(oct, reg));
+
+       /* PCI  Index registers */
+
+       len += sprintf(s + len, "\n");
+
+       for (i = 0; i < 16; i++) {
+               reg = lio_pci_readq(oct, CN6XXX_BAR1_REG(i, oct->pcie_port));
+               len += sprintf(s + len, "[%llx] (BAR1_INDEX_%02d): %08x\n",
+                              CN6XXX_BAR1_REG(i, oct->pcie_port), i, reg);
+       }
+
+       return len;
+}
+
+static int cn6xxx_read_config_reg(char *s, struct octeon_device *oct)
+{
+       u32 val;
+       int i, len = 0;
+
+       /* PCI CONFIG Registers */
+
+       len += sprintf(s + len,
+                      "\n\t Octeon Config space Registers\n\n");
+
+       for (i = 0; i <= 13; i++) {
+               pci_read_config_dword(oct->pci_dev, (i * 4), &val);
+               len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
+                              (i * 4), i, val);
+       }
+
+       for (i = 30; i <= 34; i++) {
+               pci_read_config_dword(oct->pci_dev, (i * 4), &val);
+               len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
+                              (i * 4), i, val);
+       }
+
+       return len;
+}
+
+/*  Return register dump user app.  */
+static void lio_get_regs(struct net_device *dev,
+                        struct ethtool_regs *regs, void *regbuf)
+{
+       struct lio *lio = GET_LIO(dev);
+       int len = 0;
+       struct octeon_device *oct = lio->oct_dev;
+
+       memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN);
+       regs->version = OCT_ETHTOOL_REGSVER;
+
+       switch (oct->chip_id) {
+       /* case OCTEON_CN73XX: Todo */
+       case OCTEON_CN68XX:
+       case OCTEON_CN66XX:
+               len += cn6xxx_read_csr_reg(regbuf + len, oct);
+               len += cn6xxx_read_config_reg(regbuf + len, oct);
+               break;
+       default:
+               dev_err(&oct->pci_dev->dev, "%s Unknown chipid: %d\n",
+                       __func__, oct->chip_id);
+       }
+}
+
+static const struct ethtool_ops lio_ethtool_ops = {
+       .get_settings           = lio_get_settings,
+       .get_link               = ethtool_op_get_link,
+       .get_drvinfo            = lio_get_drvinfo,
+       .get_ringparam          = lio_ethtool_get_ringparam,
+       .get_channels           = lio_ethtool_get_channels,
+       .set_phys_id            = lio_set_phys_id,
+       .get_eeprom_len         = lio_get_eeprom_len,
+       .get_eeprom             = lio_get_eeprom,
+       .get_strings            = lio_get_strings,
+       .get_ethtool_stats      = lio_get_ethtool_stats,
+       .get_pauseparam         = lio_get_pauseparam,
+       .get_regs_len           = lio_get_regs_len,
+       .get_regs               = lio_get_regs,
+       .get_msglevel           = lio_get_msglevel,
+       .set_msglevel           = lio_set_msglevel,
+       .get_sset_count         = lio_get_sset_count,
+       .nway_reset             = lio_nway_reset,
+       .set_settings           = lio_set_settings,
+       .get_coalesce           = lio_get_intr_coalesce,
+       .set_coalesce           = lio_set_intr_coalesce,
+       .get_ts_info            = lio_get_ts_info,
+};
+
+void liquidio_set_ethtool_ops(struct net_device *netdev)
+{
+       netdev->ethtool_ops = &lio_ethtool_ops;
+}