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_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
 296 static 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
 376 static 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
 392 static 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
 399 static 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
 406 static 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
 421 static 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
 493 static 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
 509 static 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
 516 static 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
 523 static 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
 544 static 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
 571 static 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
 604 static 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
 626 const struct ethtool_ops *xgbe_get_ethtool_ops(void)
 627 {
 628         return &xgbe_ethtool_ops;
 629 }