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
 124 struct 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
 142 static 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
 187 static 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
 202 static 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
 216 static 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
 232 static 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
 242 static 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
 275 static int xgbe_get_link_ksettings(struct net_device *netdev,
 276                                    struct ethtool_link_ksettings *cmd)
 277 {
 278         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 279
 280         cmd->base.phy_address = pdata->phy.address;
 281
 282         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 283                                                 pdata->phy.supported);
 284         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 285                                                 pdata->phy.advertising);
 286         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
 287                                                 pdata->phy.lp_advertising);
 288
 289         cmd->base.autoneg = pdata->phy.autoneg;
 290         cmd->base.speed = pdata->phy.speed;
 291         cmd->base.duplex = pdata->phy.duplex;
 292
 293         cmd->base.port = PORT_NONE;
 294
 295         return 0;
 296 }
 297
 298 static int xgbe_set_link_ksettings(struct net_device *netdev,
 299                                    const struct ethtool_link_ksettings *cmd)
 300 {
 301         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 302         u32 advertising;
 303         u32 speed;
 304         int ret;
 305
 306         speed = cmd->base.speed;
 307
 308         if (cmd->base.phy_address != pdata->phy.address) {
 309                 netdev_err(netdev, "invalid phy address %hhu\n",
 310                            cmd->base.phy_address);
 311                 return -EINVAL;
 312         }
 313
 314         if ((cmd->base.autoneg != AUTONEG_ENABLE) &&
 315             (cmd->base.autoneg != AUTONEG_DISABLE)) {
 316                 netdev_err(netdev, "unsupported autoneg %hhu\n",
 317                            cmd->base.autoneg);
 318                 return -EINVAL;
 319         }
 320
 321         if (cmd->base.autoneg == AUTONEG_DISABLE) {
 322                 if (!pdata->phy_if.phy_valid_speed(pdata, speed)) {
 323                         netdev_err(netdev, "unsupported speed %u\n", speed);
 324                         return -EINVAL;
 325                 }
 326
 327                 if (cmd->base.duplex != DUPLEX_FULL) {
 328                         netdev_err(netdev, "unsupported duplex %hhu\n",
 329                                    cmd->base.duplex);
 330                         return -EINVAL;
 331                 }
 332         }
 333
 334         ethtool_convert_link_mode_to_legacy_u32(&advertising,
 335                                                 cmd->link_modes.advertising);
 336
 337         netif_dbg(pdata, link, netdev,
 338                   "requested advertisement %#x, phy supported %#x\n",
 339                   advertising, pdata->phy.supported);
 340
 341         advertising &= pdata->phy.supported;
 342         if ((cmd->base.autoneg == AUTONEG_ENABLE) && !advertising) {
 343                 netdev_err(netdev,
 344                            "unsupported requested advertisement\n");
 345                 return -EINVAL;
 346         }
 347
 348         ret = 0;
 349         pdata->phy.autoneg = cmd->base.autoneg;
 350         pdata->phy.speed = speed;
 351         pdata->phy.duplex = cmd->base.duplex;
 352         pdata->phy.advertising = advertising;
 353
 354         if (cmd->base.autoneg == AUTONEG_ENABLE)
 355                 pdata->phy.advertising |= ADVERTISED_Autoneg;
 356         else
 357                 pdata->phy.advertising &= ~ADVERTISED_Autoneg;
 358
 359         if (netif_running(netdev))
 360                 ret = pdata->phy_if.phy_config_aneg(pdata);
 361
 362         return ret;
 363 }
 364
 365 static void xgbe_get_drvinfo(struct net_device *netdev,
 366                              struct ethtool_drvinfo *drvinfo)
 367 {
 368         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 369         struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
 370
 371         strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
 372         strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
 373         strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
 374                 sizeof(drvinfo->bus_info));
 375         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
 376                  XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
 377                  XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
 378                  XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
 379 }
 380
 381 static u32 xgbe_get_msglevel(struct net_device *netdev)
 382 {
 383         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 384
 385         return pdata->msg_enable;
 386 }
 387
 388 static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
 389 {
 390         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 391
 392         pdata->msg_enable = msglevel;
 393 }
 394
 395 static int xgbe_get_coalesce(struct net_device *netdev,
 396                              struct ethtool_coalesce *ec)
 397 {
 398         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 399
 400         memset(ec, 0, sizeof(struct ethtool_coalesce));
 401
 402         ec->rx_coalesce_usecs = pdata->rx_usecs;
 403         ec->rx_max_coalesced_frames = pdata->rx_frames;
 404
 405         ec->tx_max_coalesced_frames = pdata->tx_frames;
 406
 407         return 0;
 408 }
 409
 410 static int xgbe_set_coalesce(struct net_device *netdev,
 411                              struct ethtool_coalesce *ec)
 412 {
 413         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 414         struct xgbe_hw_if *hw_if = &pdata->hw_if;
 415         unsigned int rx_frames, rx_riwt, rx_usecs;
 416         unsigned int tx_frames;
 417
 418         /* Check for not supported parameters  */
 419         if ((ec->rx_coalesce_usecs_irq) ||
 420             (ec->rx_max_coalesced_frames_irq) ||
 421             (ec->tx_coalesce_usecs) ||
 422             (ec->tx_coalesce_usecs_irq) ||
 423             (ec->tx_max_coalesced_frames_irq) ||
 424             (ec->stats_block_coalesce_usecs) ||
 425             (ec->use_adaptive_rx_coalesce) ||
 426             (ec->use_adaptive_tx_coalesce) ||
 427             (ec->pkt_rate_low) ||
 428             (ec->rx_coalesce_usecs_low) ||
 429             (ec->rx_max_coalesced_frames_low) ||
 430             (ec->tx_coalesce_usecs_low) ||
 431             (ec->tx_max_coalesced_frames_low) ||
 432             (ec->pkt_rate_high) ||
 433             (ec->rx_coalesce_usecs_high) ||
 434             (ec->rx_max_coalesced_frames_high) ||
 435             (ec->tx_coalesce_usecs_high) ||
 436             (ec->tx_max_coalesced_frames_high) ||
 437             (ec->rate_sample_interval)) {
 438                 netdev_err(netdev, "unsupported coalescing parameter\n");
 439                 return -EOPNOTSUPP;
 440         }
 441
 442         rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
 443         rx_usecs = ec->rx_coalesce_usecs;
 444         rx_frames = ec->rx_max_coalesced_frames;
 445
 446         /* Use smallest possible value if conversion resulted in zero */
 447         if (rx_usecs && !rx_riwt)
 448                 rx_riwt = 1;
 449
 450         /* Check the bounds of values for Rx */
 451         if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
 452                 netdev_err(netdev, "rx-usec is limited to %d usecs\n",
 453                            hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
 454                 return -EINVAL;
 455         }
 456         if (rx_frames > pdata->rx_desc_count) {
 457                 netdev_err(netdev, "rx-frames is limited to %d frames\n",
 458                            pdata->rx_desc_count);
 459                 return -EINVAL;
 460         }
 461
 462         tx_frames = ec->tx_max_coalesced_frames;
 463
 464         /* Check the bounds of values for Tx */
 465         if (tx_frames > pdata->tx_desc_count) {
 466                 netdev_err(netdev, "tx-frames is limited to %d frames\n",
 467                            pdata->tx_desc_count);
 468                 return -EINVAL;
 469         }
 470
 471         pdata->rx_riwt = rx_riwt;
 472         pdata->rx_usecs = rx_usecs;
 473         pdata->rx_frames = rx_frames;
 474         hw_if->config_rx_coalesce(pdata);
 475
 476         pdata->tx_frames = tx_frames;
 477         hw_if->config_tx_coalesce(pdata);
 478
 479         return 0;
 480 }
 481
 482 static int xgbe_get_rxnfc(struct net_device *netdev,
 483                           struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
 484 {
 485         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 486
 487         switch (rxnfc->cmd) {
 488         case ETHTOOL_GRXRINGS:
 489                 rxnfc->data = pdata->rx_ring_count;
 490                 break;
 491         default:
 492                 return -EOPNOTSUPP;
 493         }
 494
 495         return 0;
 496 }
 497
 498 static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
 499 {
 500         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 501
 502         return sizeof(pdata->rss_key);
 503 }
 504
 505 static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
 506 {
 507         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 508
 509         return ARRAY_SIZE(pdata->rss_table);
 510 }
 511
 512 static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 513                          u8 *hfunc)
 514 {
 515         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 516         unsigned int i;
 517
 518         if (indir) {
 519                 for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
 520                         indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
 521                                                   MAC_RSSDR, DMCH);
 522         }
 523
 524         if (key)
 525                 memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));
 526
 527         if (hfunc)
 528                 *hfunc = ETH_RSS_HASH_TOP;
 529
 530         return 0;
 531 }
 532
 533 static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
 534                          const u8 *key, const u8 hfunc)
 535 {
 536         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 537         struct xgbe_hw_if *hw_if = &pdata->hw_if;
 538         unsigned int ret;
 539
 540         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
 541                 netdev_err(netdev, "unsupported hash function\n");
 542                 return -EOPNOTSUPP;
 543         }
 544
 545         if (indir) {
 546                 ret = hw_if->set_rss_lookup_table(pdata, indir);
 547                 if (ret)
 548                         return ret;
 549         }
 550
 551         if (key) {
 552                 ret = hw_if->set_rss_hash_key(pdata, key);
 553                 if (ret)
 554                         return ret;
 555         }
 556
 557         return 0;
 558 }
 559
 560 static int xgbe_get_ts_info(struct net_device *netdev,
 561                             struct ethtool_ts_info *ts_info)
 562 {
 563         struct xgbe_prv_data *pdata = netdev_priv(netdev);
 564
 565         ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 566                                    SOF_TIMESTAMPING_RX_SOFTWARE |
 567                                    SOF_TIMESTAMPING_SOFTWARE |
 568                                    SOF_TIMESTAMPING_TX_HARDWARE |
 569                                    SOF_TIMESTAMPING_RX_HARDWARE |
 570                                    SOF_TIMESTAMPING_RAW_HARDWARE;
 571
 572         if (pdata->ptp_clock)
 573                 ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
 574         else
 575                 ts_info->phc_index = -1;
 576
 577         ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
 578         ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
 579                               (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
 580                               (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
 581                               (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
 582                               (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
 583                               (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
 584                               (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
 585                               (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
 586                               (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
 587                               (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
 588                               (1 << HWTSTAMP_FILTER_ALL);
 589
 590         return 0;
 591 }
 592
 593 static const struct ethtool_ops xgbe_ethtool_ops = {
 594         .get_drvinfo = xgbe_get_drvinfo,
 595         .get_msglevel = xgbe_get_msglevel,
 596         .set_msglevel = xgbe_set_msglevel,
 597         .get_link = ethtool_op_get_link,
 598         .get_coalesce = xgbe_get_coalesce,
 599         .set_coalesce = xgbe_set_coalesce,
 600         .get_pauseparam = xgbe_get_pauseparam,
 601         .set_pauseparam = xgbe_set_pauseparam,
 602         .get_strings = xgbe_get_strings,
 603         .get_ethtool_stats = xgbe_get_ethtool_stats,
 604         .get_sset_count = xgbe_get_sset_count,
 605         .get_rxnfc = xgbe_get_rxnfc,
 606         .get_rxfh_key_size = xgbe_get_rxfh_key_size,
 607         .get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
 608         .get_rxfh = xgbe_get_rxfh,
 609         .set_rxfh = xgbe_set_rxfh,
 610         .get_ts_info = xgbe_get_ts_info,
 611         .get_link_ksettings = xgbe_get_link_ksettings,
 612         .set_link_ksettings = xgbe_set_link_ksettings,
 613 };
 614
 615 const struct ethtool_ops *xgbe_get_ethtool_ops(void)
 616 {
 617         return &xgbe_ethtool_ops;
 618 }