LXR linux/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c

   1/*
   2 * AMD 10Gb Ethernet driver
   3 *
   4 * This file is available to you under your choice of the following two
   5 * licenses:
   6 *
   7 * License 1: GPLv2
   8 *
   9 * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
  10 *
  11 * This file is free software; you may copy, redistribute and/or modify
  12 * it under the terms of the GNU General Public License as published by
  13 * the Free Software Foundation, either version 2 of the License, or (at
  14 * your option) any later version.
  15 *
  16 * This file is distributed in the hope that it will be useful, but
  17 * WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 * General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 *
  24 * This file incorporates work covered by the following copyright and
  25 * permission notice:
  26 *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
  27 *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
  28 *     Inc. unless otherwise expressly agreed to in writing between Synopsys
  29 *     and you.
  30 *
  31 *     The Software IS NOT an item of Licensed Software or Licensed Product
  32 *     under any End User Software License Agreement or Agreement for Licensed
  33 *     Product with Synopsys or any supplement thereto.  Permission is hereby
  34 *     granted, free of charge, to any person obtaining a copy of this software
  35 *     annotated with this license and the Software, to deal in the Software
  36 *     without restriction, including without limitation the rights to use,
  37 *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  38 *     of the Software, and to permit persons to whom the Software is furnished
  39 *     to do so, subject to the following conditions:
  40 *
  41 *     The above copyright notice and this permission notice shall be included
  42 *     in all copies or substantial portions of the Software.
  43 *
  44 *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
  45 *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  46 *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  47 *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
  48 *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  49 *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  50 *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  51 *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  52 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  53 *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  54 *     THE POSSIBILITY OF SUCH DAMAGE.
  55 *
  56 *
  57 * License 2: Modified BSD
  58 *
  59 * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
  60 * All rights reserved.
  61 *
  62 * Redistribution and use in source and binary forms, with or without
  63 * modification, are permitted provided that the following conditions are met:
  64 *     * Redistributions of source code must retain the above copyright
  65 *       notice, this list of conditions and the following disclaimer.
  66 *     * Redistributions in binary form must reproduce the above copyright
  67 *       notice, this list of conditions and the following disclaimer in the
  68 *       documentation and/or other materials provided with the distribution.
  69 *     * Neither the name of Advanced Micro Devices, Inc. nor the
  70 *       names of its contributors may be used to endorse or promote products
  71 *       derived from this software without specific prior written permission.
  72 *
  73 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  74 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  75 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  76 * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  77 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  78 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  79 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  80 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  81 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  82 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  83 *
  84 * This file incorporates work covered by the following copyright and
  85 * permission notice:
  86 *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
  87 *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
  88 *     Inc. unless otherwise expressly agreed to in writing between Synopsys
  89 *     and you.
  90 *
  91 *     The Software IS NOT an item of Licensed Software or Licensed Product
  92 *     under any End User Software License Agreement or Agreement for Licensed
  93 *     Product with Synopsys or any supplement thereto.  Permission is hereby
  94 *     granted, free of charge, to any person obtaining a copy of this software
  95 *     annotated with this license and the Software, to deal in the Software
  96 *     without restriction, including without limitation the rights to use,
  97 *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  98 *     of the Software, and to permit persons to whom the Software is furnished
  99 *     to do so, subject to the following conditions:
 100 *
 101 *     The above copyright notice and this permission notice shall be included
 102 *     in all copies or substantial portions of the Software.
 103 *
 104 *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
 105 *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 106 *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 107 *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
 108 *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 109 *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 110 *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 111 *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 112 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 113 *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 114 *     THE POSSIBILITY OF SUCH DAMAGE.
 115 */
 116
 117#include <linux/spinlock.h>
 118#include <linux/phy.h>
 119#include <linux/net_tstamp.h>
 120
 121#include "xgbe.h"
 122#include "xgbe-common.h"
 123
 124struct xgbe_stats {
 125        char stat_string[ETH_GSTRING_LEN];
 126        int stat_size;
 127        int stat_offset;
 128};
 129
 130#define XGMAC_MMC_STAT(_string, _var)                           \
 131        { _string,                                              \
 132          FIELD_SIZEOF(struct xgbe_mmc_stats, _var),            \
 133          offsetof(struct xgbe_prv_data, mmc_stats._var),       \
 134        }
 135
 136#define XGMAC_EXT_STAT(_string, _var)                           \
 137        { _string,                                              \
 138          FIELD_SIZEOF(struct xgbe_ext_stats, _var),            \
 139          offsetof(struct xgbe_prv_data, ext_stats._var),       \
 140        }
 141
 142static const struct xgbe_stats xgbe_gstring_stats[] = {
 143        XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
 144        XGMAC_MMC_STAT("tx_packets", txframecount_gb),
 145        XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
 146        XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
 147        XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
 148        XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
 149        XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
 150        XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
 151        XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
 152        XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
 153        XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
 154        XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
 155        XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
 156        XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
 157        XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
 158
 159        XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
 160        XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
 161        XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
 162        XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
 163        XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
 164        XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
 165        XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
 166        XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
 167        XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
 168        XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
 169        XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
 170        XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
 171        XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
 172        XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
 173        XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
 174        XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
 175        XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
 176        XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
 177        XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
 178        XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
 179        XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
 180        XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
 181        XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
 182        XGMAC_EXT_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
 183};
 184
 185#define XGBE_STATS_COUNT        ARRAY_SIZE(xgbe_gstring_stats)
 186
 187static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 188{
 189        int i;
 190
 191        switch (stringset) {
 192        case ETH_SS_STATS:
 193                for (i = 0; i < XGBE_STATS_COUNT; i++) {
 194                        memcpy(data, xgbe_gstring_stats[i].stat_string,
 195                               ETH_GSTRING_LEN);
 196                        data += ETH_GSTRING_LEN;
 197                }
 198                break;
 199        }
 200}
 201
 202static void xgbe_get_ethtool_stats(struct net_device *netdev,
 203                                   struct ethtool_stats *stats, u64 *data)
 204{
 205        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 206        u8 *stat;
 207        int i;
 208
 209        pdata->hw_if.read_mmc_stats(pdata);
 210        for (i = 0; i < XGBE_STATS_COUNT; i++) {
 211                stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
 212                *data++ = *(u64 *)stat;
 213        }
 214}
 215
 216static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
 217{
 218        int ret;
 219
 220        switch (stringset) {
 221        case ETH_SS_STATS:
 222                ret = XGBE_STATS_COUNT;
 223                break;
 224
 225        default:
 226                ret = -EOPNOTSUPP;
 227        }
 228
 229        return ret;
 230}
 231
 232static void xgbe_get_pauseparam(struct net_device *netdev,
 233                                struct ethtool_pauseparam *pause)
 234{
 235        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 236
 237        pause->autoneg = pdata->phy.pause_autoneg;
 238        pause->tx_pause = pdata->phy.tx_pause;
 239        pause->rx_pause = pdata->phy.rx_pause;
 240}
 241
 242static int xgbe_set_pauseparam(struct net_device *netdev,
 243                               struct ethtool_pauseparam *pause)
 244{
 245        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 246        int ret = 0;
 247
 248        if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
 249                netdev_err(netdev,
 250                           "autoneg disabled, pause autoneg not avialable\n");
 251                return -EINVAL;
 252        }
 253
 254        pdata->phy.pause_autoneg = pause->autoneg;
 255        pdata->phy.tx_pause = pause->tx_pause;
 256        pdata->phy.rx_pause = pause->rx_pause;
 257
 258        pdata->phy.advertising &= ~ADVERTISED_Pause;
 259        pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;
 260
 261        if (pause->rx_pause) {
 262                pdata->phy.advertising |= ADVERTISED_Pause;
 263                pdata->phy.advertising |= ADVERTISED_Asym_Pause;
 264        }
 265
 266        if (pause->tx_pause)
 267                pdata->phy.advertising ^= ADVERTISED_Asym_Pause;
 268
 269        if (netif_running(netdev))
 270                ret = pdata->phy_if.phy_config_aneg(pdata);
 271
 272        return ret;
 273}
 274
 275static int xgbe_get_settings(struct net_device *netdev,
 276                             struct ethtool_cmd *cmd)
 277{
 278        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 279
 280        cmd->phy_address = pdata->phy.address;
 281
 282        cmd->supported = pdata->phy.supported;
 283        cmd->advertising = pdata->phy.advertising;
 284        cmd->lp_advertising = pdata->phy.lp_advertising;
 285
 286        cmd->autoneg = pdata->phy.autoneg;
 287        ethtool_cmd_speed_set(cmd, pdata->phy.speed);
 288        cmd->duplex = pdata->phy.duplex;
 289
 290        cmd->port = PORT_NONE;
 291        cmd->transceiver = XCVR_INTERNAL;
 292
 293        return 0;
 294}
 295
 296static int xgbe_set_settings(struct net_device *netdev,
 297                             struct ethtool_cmd *cmd)
 298{
 299        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 300        u32 speed;
 301        int ret;
 302
 303        speed = ethtool_cmd_speed(cmd);
 304
 305        if (cmd->phy_address != pdata->phy.address) {
 306                netdev_err(netdev, "invalid phy address %hhu\n",
 307                           cmd->phy_address);
 308                return -EINVAL;
 309        }
 310
 311        if ((cmd->autoneg != AUTONEG_ENABLE) &&
 312            (cmd->autoneg != AUTONEG_DISABLE)) {
 313                netdev_err(netdev, "unsupported autoneg %hhu\n",
 314                           cmd->autoneg);
 315                return -EINVAL;
 316        }
 317
 318        if (cmd->autoneg == AUTONEG_DISABLE) {
 319                switch (speed) {
 320                case SPEED_10000:
 321                        break;
 322                case SPEED_2500:
 323                        if (pdata->speed_set != XGBE_SPEEDSET_2500_10000) {
 324                                netdev_err(netdev, "unsupported speed %u\n",
 325                                           speed);
 326                                return -EINVAL;
 327                        }
 328                        break;
 329                case SPEED_1000:
 330                        if (pdata->speed_set != XGBE_SPEEDSET_1000_10000) {
 331                                netdev_err(netdev, "unsupported speed %u\n",
 332                                           speed);
 333                                return -EINVAL;
 334                        }
 335                        break;
 336                default:
 337                        netdev_err(netdev, "unsupported speed %u\n", speed);
 338                        return -EINVAL;
 339                }
 340
 341                if (cmd->duplex != DUPLEX_FULL) {
 342                        netdev_err(netdev, "unsupported duplex %hhu\n",
 343                                   cmd->duplex);
 344                        return -EINVAL;
 345                }
 346        }
 347
 348        netif_dbg(pdata, link, netdev,
 349                  "requested advertisement %#x, phy supported %#x\n",
 350                  cmd->advertising, pdata->phy.supported);
 351
 352        cmd->advertising &= pdata->phy.supported;
 353        if ((cmd->autoneg == AUTONEG_ENABLE) && !cmd->advertising) {
 354                netdev_err(netdev,
 355                           "unsupported requested advertisement\n");
 356                return -EINVAL;
 357        }
 358
 359        ret = 0;
 360        pdata->phy.autoneg = cmd->autoneg;
 361        pdata->phy.speed = speed;
 362        pdata->phy.duplex = cmd->duplex;
 363        pdata->phy.advertising = cmd->advertising;
 364
 365        if (cmd->autoneg == AUTONEG_ENABLE)
 366                pdata->phy.advertising |= ADVERTISED_Autoneg;
 367        else
 368                pdata->phy.advertising &= ~ADVERTISED_Autoneg;
 369
 370        if (netif_running(netdev))
 371                ret = pdata->phy_if.phy_config_aneg(pdata);
 372
 373        return ret;
 374}
 375
 376static void xgbe_get_drvinfo(struct net_device *netdev,
 377                             struct ethtool_drvinfo *drvinfo)
 378{
 379        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 380        struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
 381
 382        strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
 383        strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
 384        strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
 385                sizeof(drvinfo->bus_info));
 386        snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
 387                 XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
 388                 XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
 389                 XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
 390}
 391
 392static u32 xgbe_get_msglevel(struct net_device *netdev)
 393{
 394        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 395
 396        return pdata->msg_enable;
 397}
 398
 399static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
 400{
 401        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 402
 403        pdata->msg_enable = msglevel;
 404}
 405
 406static int xgbe_get_coalesce(struct net_device *netdev,
 407                             struct ethtool_coalesce *ec)
 408{
 409        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 410
 411        memset(ec, 0, sizeof(struct ethtool_coalesce));
 412
 413        ec->rx_coalesce_usecs = pdata->rx_usecs;
 414        ec->rx_max_coalesced_frames = pdata->rx_frames;
 415
 416        ec->tx_max_coalesced_frames = pdata->tx_frames;
 417
 418        return 0;
 419}
 420
 421static int xgbe_set_coalesce(struct net_device *netdev,
 422                             struct ethtool_coalesce *ec)
 423{
 424        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 425        struct xgbe_hw_if *hw_if = &pdata->hw_if;
 426        unsigned int rx_frames, rx_riwt, rx_usecs;
 427        unsigned int tx_frames;
 428
 429        /* Check for not supported parameters  */
 430        if ((ec->rx_coalesce_usecs_irq) ||
 431            (ec->rx_max_coalesced_frames_irq) ||
 432            (ec->tx_coalesce_usecs) ||
 433            (ec->tx_coalesce_usecs_irq) ||
 434            (ec->tx_max_coalesced_frames_irq) ||
 435            (ec->stats_block_coalesce_usecs) ||
 436            (ec->use_adaptive_rx_coalesce) ||
 437            (ec->use_adaptive_tx_coalesce) ||
 438            (ec->pkt_rate_low) ||
 439            (ec->rx_coalesce_usecs_low) ||
 440            (ec->rx_max_coalesced_frames_low) ||
 441            (ec->tx_coalesce_usecs_low) ||
 442            (ec->tx_max_coalesced_frames_low) ||
 443            (ec->pkt_rate_high) ||
 444            (ec->rx_coalesce_usecs_high) ||
 445            (ec->rx_max_coalesced_frames_high) ||
 446            (ec->tx_coalesce_usecs_high) ||
 447            (ec->tx_max_coalesced_frames_high) ||
 448            (ec->rate_sample_interval)) {
 449                netdev_err(netdev, "unsupported coalescing parameter\n");
 450                return -EOPNOTSUPP;
 451        }
 452
 453        rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
 454        rx_usecs = ec->rx_coalesce_usecs;
 455        rx_frames = ec->rx_max_coalesced_frames;
 456
 457        /* Use smallest possible value if conversion resulted in zero */
 458        if (rx_usecs && !rx_riwt)
 459                rx_riwt = 1;
 460
 461        /* Check the bounds of values for Rx */
 462        if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
 463                netdev_err(netdev, "rx-usec is limited to %d usecs\n",
 464                           hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
 465                return -EINVAL;
 466        }
 467        if (rx_frames > pdata->rx_desc_count) {
 468                netdev_err(netdev, "rx-frames is limited to %d frames\n",
 469                           pdata->rx_desc_count);
 470                return -EINVAL;
 471        }
 472
 473        tx_frames = ec->tx_max_coalesced_frames;
 474
 475        /* Check the bounds of values for Tx */
 476        if (tx_frames > pdata->tx_desc_count) {
 477                netdev_err(netdev, "tx-frames is limited to %d frames\n",
 478                           pdata->tx_desc_count);
 479                return -EINVAL;
 480        }
 481
 482        pdata->rx_riwt = rx_riwt;
 483        pdata->rx_usecs = rx_usecs;
 484        pdata->rx_frames = rx_frames;
 485        hw_if->config_rx_coalesce(pdata);
 486
 487        pdata->tx_frames = tx_frames;
 488        hw_if->config_tx_coalesce(pdata);
 489
 490        return 0;
 491}
 492
 493static int xgbe_get_rxnfc(struct net_device *netdev,
 494                          struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
 495{
 496        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 497
 498        switch (rxnfc->cmd) {
 499        case ETHTOOL_GRXRINGS:
 500                rxnfc->data = pdata->rx_ring_count;
 501                break;
 502        default:
 503                return -EOPNOTSUPP;
 504        }
 505
 506        return 0;
 507}
 508
 509static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
 510{
 511        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 512
 513        return sizeof(pdata->rss_key);
 514}
 515
 516static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
 517{
 518        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 519
 520        return ARRAY_SIZE(pdata->rss_table);
 521}
 522
 523static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 524                         u8 *hfunc)
 525{
 526        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 527        unsigned int i;
 528
 529        if (indir) {
 530                for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
 531                        indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
 532                                                  MAC_RSSDR, DMCH);
 533        }
 534
 535        if (key)
 536                memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));
 537
 538        if (hfunc)
 539                *hfunc = ETH_RSS_HASH_TOP;
 540
 541        return 0;
 542}
 543
 544static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
 545                         const u8 *key, const u8 hfunc)
 546{
 547        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 548        struct xgbe_hw_if *hw_if = &pdata->hw_if;
 549        unsigned int ret;
 550
 551        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
 552                netdev_err(netdev, "unsupported hash function\n");
 553                return -EOPNOTSUPP;
 554        }
 555
 556        if (indir) {
 557                ret = hw_if->set_rss_lookup_table(pdata, indir);
 558                if (ret)
 559                        return ret;
 560        }
 561
 562        if (key) {
 563                ret = hw_if->set_rss_hash_key(pdata, key);
 564                if (ret)
 565                        return ret;
 566        }
 567
 568        return 0;
 569}
 570
 571static int xgbe_get_ts_info(struct net_device *netdev,
 572                            struct ethtool_ts_info *ts_info)
 573{
 574        struct xgbe_prv_data *pdata = netdev_priv(netdev);
 575
 576        ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 577                                   SOF_TIMESTAMPING_RX_SOFTWARE |
 578                                   SOF_TIMESTAMPING_SOFTWARE |
 579                                   SOF_TIMESTAMPING_TX_HARDWARE |
 580                                   SOF_TIMESTAMPING_RX_HARDWARE |
 581                                   SOF_TIMESTAMPING_RAW_HARDWARE;
 582
 583        if (pdata->ptp_clock)
 584                ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
 585        else
 586                ts_info->phc_index = -1;
 587
 588        ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
 589        ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
 590                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
 591                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
 592                              (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
 593                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
 594                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
 595                              (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
 596                              (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
 597                              (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
 598                              (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
 599                              (1 << HWTSTAMP_FILTER_ALL);
 600
 601        return 0;
 602}
 603
 604static const struct ethtool_ops xgbe_ethtool_ops = {
 605        .get_settings = xgbe_get_settings,
 606        .set_settings = xgbe_set_settings,
 607        .get_drvinfo = xgbe_get_drvinfo,
 608        .get_msglevel = xgbe_get_msglevel,
 609        .set_msglevel = xgbe_set_msglevel,
 610        .get_link = ethtool_op_get_link,
 611        .get_coalesce = xgbe_get_coalesce,
 612        .set_coalesce = xgbe_set_coalesce,
 613        .get_pauseparam = xgbe_get_pauseparam,
 614        .set_pauseparam = xgbe_set_pauseparam,
 615        .get_strings = xgbe_get_strings,
 616        .get_ethtool_stats = xgbe_get_ethtool_stats,
 617        .get_sset_count = xgbe_get_sset_count,
 618        .get_rxnfc = xgbe_get_rxnfc,
 619        .get_rxfh_key_size = xgbe_get_rxfh_key_size,
 620        .get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
 621        .get_rxfh = xgbe_get_rxfh,
 622        .set_rxfh = xgbe_set_rxfh,
 623        .get_ts_info = xgbe_get_ts_info,
 624};
 625
 626struct ethtool_ops *xgbe_get_ethtool_ops(void)
 627{
 628        return (struct ethtool_ops *)&xgbe_ethtool_ops;
 629}
 630