drivers/net/ethernet/hisilicon/hns/hns_ethtool.c

   1 /*
   2  * Copyright (c) 2014-2015 Hisilicon Limited.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include <linux/etherdevice.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/module.h>
  13 #include <linux/platform_device.h>
  14 #include "hns_enet.h"
  15
  16 #define HNS_PHY_PAGE_MDIX       0
  17 #define HNS_PHY_PAGE_LED        3
  18 #define HNS_PHY_PAGE_COPPER     0
  19
  20 #define HNS_PHY_PAGE_REG        22      /* Page Selection Reg. */
  21 #define HNS_PHY_CSC_REG         16      /* Copper Specific Control Register */
  22 #define HNS_PHY_CSS_REG         17      /* Copper Specific Status Register */
  23 #define HNS_LED_FC_REG          16      /* LED Function Control Reg. */
  24 #define HNS_LED_PC_REG          17      /* LED Polarity Control Reg. */
  25
  26 #define HNS_LED_FORCE_ON        9
  27 #define HNS_LED_FORCE_OFF       8
  28
  29 #define HNS_CHIP_VERSION 660
  30 #define HNS_NET_STATS_CNT 26
  31
  32 #define PHY_MDIX_CTRL_S         (5)
  33 #define PHY_MDIX_CTRL_M         (3 << PHY_MDIX_CTRL_S)
  34
  35 #define PHY_MDIX_STATUS_B       (6)
  36 #define PHY_SPEED_DUP_RESOLVE_B (11)
  37
  38 /**
  39  *hns_nic_get_link - get current link status
  40  *@net_dev: net_device
  41  *retuen 0 - success , negative --fail
  42  */
  43 static u32 hns_nic_get_link(struct net_device *net_dev)
  44 {
  45         struct hns_nic_priv *priv = netdev_priv(net_dev);
  46         u32 link_stat = priv->link;
  47         struct hnae_handle *h;
  48
  49         assert(priv && priv->ae_handle);
  50         h = priv->ae_handle;
  51
  52         if (priv->phy) {
  53                 if (!genphy_update_link(priv->phy))
  54                         link_stat = priv->phy->link;
  55                 else
  56                         link_stat = 0;
  57         }
  58
  59         if (h->dev && h->dev->ops && h->dev->ops->get_status)
  60                 link_stat = link_stat && h->dev->ops->get_status(h);
  61         else
  62                 link_stat = 0;
  63
  64         return link_stat;
  65 }
  66
  67 static void hns_get_mdix_mode(struct net_device *net_dev,
  68                               struct ethtool_cmd *cmd)
  69 {
  70         int mdix_ctrl, mdix, retval, is_resolved;
  71         struct hns_nic_priv *priv = netdev_priv(net_dev);
  72         struct phy_device *phy_dev = priv->phy;
  73
  74         if (!phy_dev || !phy_dev->mdio.bus) {
  75                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  76                 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
  77                 return;
  78         }
  79
  80         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
  81
  82         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
  83         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
  84
  85         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
  86         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
  87         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
  88
  89         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
  90
  91         switch (mdix_ctrl) {
  92         case 0x0:
  93                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI;
  94                 break;
  95         case 0x1:
  96                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_X;
  97                 break;
  98         case 0x3:
  99                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 100                 break;
 101         default:
 102                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 103                 break;
 104         }
 105
 106         if (!is_resolved)
 107                 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 108         else if (mdix)
 109                 cmd->eth_tp_mdix = ETH_TP_MDI_X;
 110         else
 111                 cmd->eth_tp_mdix = ETH_TP_MDI;
 112 }
 113
 114 /**
 115  *hns_nic_get_settings - implement ethtool get settings
 116  *@net_dev: net_device
 117  *@cmd: ethtool_cmd
 118  *retuen 0 - success , negative --fail
 119  */
 120 static int hns_nic_get_settings(struct net_device *net_dev,
 121                                 struct ethtool_cmd *cmd)
 122 {
 123         struct hns_nic_priv *priv = netdev_priv(net_dev);
 124         struct hnae_handle *h;
 125         u32 link_stat;
 126         int ret;
 127         u8 duplex;
 128         u16 speed;
 129
 130         if (!priv || !priv->ae_handle)
 131                 return -ESRCH;
 132
 133         h = priv->ae_handle;
 134         if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
 135                 return -ESRCH;
 136
 137         ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
 138         if (ret < 0) {
 139                 netdev_err(net_dev, "%s get_info error!\n", __func__);
 140                 return -EINVAL;
 141         }
 142
 143         /* When there is no phy, autoneg is off. */
 144         cmd->autoneg = false;
 145         ethtool_cmd_speed_set(cmd, speed);
 146         cmd->duplex = duplex;
 147
 148         if (priv->phy)
 149                 (void)phy_ethtool_gset(priv->phy, cmd);
 150
 151         link_stat = hns_nic_get_link(net_dev);
 152         if (!link_stat) {
 153                 ethtool_cmd_speed_set(cmd, (u32)SPEED_UNKNOWN);
 154                 cmd->duplex = DUPLEX_UNKNOWN;
 155         }
 156
 157         if (cmd->autoneg)
 158                 cmd->advertising |= ADVERTISED_Autoneg;
 159
 160         cmd->supported |= h->if_support;
 161         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 162                 cmd->supported |= SUPPORTED_TP;
 163                 cmd->advertising |= ADVERTISED_1000baseT_Full;
 164         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 165                 cmd->supported |= SUPPORTED_FIBRE;
 166                 cmd->advertising |= ADVERTISED_10000baseKR_Full;
 167         }
 168
 169         if (h->port_type == HNAE_PORT_SERVICE) {
 170                 cmd->port = PORT_FIBRE;
 171                 cmd->supported |= SUPPORTED_Pause;
 172         } else {
 173                 cmd->port = PORT_TP;
 174         }
 175
 176         cmd->transceiver = XCVR_EXTERNAL;
 177         cmd->mdio_support = (ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22);
 178         hns_get_mdix_mode(net_dev, cmd);
 179
 180         return 0;
 181 }
 182
 183 /**
 184  *hns_nic_set_settings - implement ethtool set settings
 185  *@net_dev: net_device
 186  *@cmd: ethtool_cmd
 187  *retuen 0 - success , negative --fail
 188  */
 189 static int hns_nic_set_settings(struct net_device *net_dev,
 190                                 struct ethtool_cmd *cmd)
 191 {
 192         struct hns_nic_priv *priv = netdev_priv(net_dev);
 193         struct hnae_handle *h;
 194         u32 speed;
 195
 196         if (!netif_running(net_dev))
 197                 return -ESRCH;
 198
 199         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
 200             !priv->ae_handle->dev->ops)
 201                 return -ENODEV;
 202
 203         h = priv->ae_handle;
 204         speed = ethtool_cmd_speed(cmd);
 205
 206         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 207                 if (cmd->autoneg == AUTONEG_ENABLE || speed != SPEED_10000 ||
 208                     cmd->duplex != DUPLEX_FULL)
 209                         return -EINVAL;
 210         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 211                 if (!priv->phy && cmd->autoneg == AUTONEG_ENABLE)
 212                         return -EINVAL;
 213
 214                 if (speed == SPEED_1000 && cmd->duplex == DUPLEX_HALF)
 215                         return -EINVAL;
 216                 if (priv->phy)
 217                         return phy_ethtool_sset(priv->phy, cmd);
 218
 219                 if ((speed != SPEED_10 && speed != SPEED_100 &&
 220                      speed != SPEED_1000) || (cmd->duplex != DUPLEX_HALF &&
 221                      cmd->duplex != DUPLEX_FULL))
 222                         return -EINVAL;
 223         } else {
 224                 netdev_err(net_dev, "Not supported!");
 225                 return -ENOTSUPP;
 226         }
 227
 228         if (h->dev->ops->adjust_link) {
 229                 h->dev->ops->adjust_link(h, (int)speed, cmd->duplex);
 230                 return 0;
 231         }
 232
 233         netdev_err(net_dev, "Not supported!");
 234         return -ENOTSUPP;
 235 }
 236
 237 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
 238         "Mac    Loopback test",
 239         "Serdes Loopback test",
 240         "Phy    Loopback test"
 241 };
 242
 243 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
 244 {
 245 #define COPPER_CONTROL_REG 0
 246 #define PHY_LOOP_BACK BIT(14)
 247         u16 val = 0;
 248
 249         if (phy_dev->is_c45) /* c45 branch adding for XGE PHY */
 250                 return -ENOTSUPP;
 251
 252         if (en) {
 253                 /* speed : 1000M */
 254                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 2);
 255                 phy_write(phy_dev, 21, 0x1046);
 256                 /* Force Master */
 257                 phy_write(phy_dev, 9, 0x1F00);
 258                 /* Soft-reset */
 259                 phy_write(phy_dev, 0, 0x9140);
 260                 /* If autoneg disabled,two soft-reset operations */
 261                 phy_write(phy_dev, 0, 0x9140);
 262                 phy_write(phy_dev, 22, 0xFA);
 263
 264                 /* Default is 0x0400 */
 265                 phy_write(phy_dev, 1, 0x418);
 266
 267                 /* Force 1000M Link, Default is 0x0200 */
 268                 phy_write(phy_dev, 7, 0x20C);
 269                 phy_write(phy_dev, 22, 0);
 270
 271                 /* Enable MAC loop-back */
 272                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 273                 val |= PHY_LOOP_BACK;
 274                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 275         } else {
 276                 phy_write(phy_dev, 22, 0xFA);
 277                 phy_write(phy_dev, 1, 0x400);
 278                 phy_write(phy_dev, 7, 0x200);
 279                 phy_write(phy_dev, 22, 0);
 280
 281                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 282                 val &= ~PHY_LOOP_BACK;
 283                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 284         }
 285         return 0;
 286 }
 287
 288 static int __lb_setup(struct net_device *ndev,
 289                       enum hnae_loop loop)
 290 {
 291         int ret = 0;
 292         struct hns_nic_priv *priv = netdev_priv(ndev);
 293         struct phy_device *phy_dev = priv->phy;
 294         struct hnae_handle *h = priv->ae_handle;
 295
 296         switch (loop) {
 297         case MAC_INTERNALLOOP_PHY:
 298                 if ((phy_dev) && (!phy_dev->is_c45))
 299                         ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 300                 break;
 301         case MAC_INTERNALLOOP_MAC:
 302                 if ((h->dev->ops->set_loopback) &&
 303                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 304                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 305                 break;
 306         case MAC_INTERNALLOOP_SERDES:
 307                 if (h->dev->ops->set_loopback)
 308                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 309                 break;
 310         case MAC_LOOP_NONE:
 311                 if ((phy_dev) && (!phy_dev->is_c45))
 312                         ret |= hns_nic_config_phy_loopback(phy_dev, 0x0);
 313
 314                 if (h->dev->ops->set_loopback) {
 315                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 316                                 ret |= h->dev->ops->set_loopback(h,
 317                                         MAC_INTERNALLOOP_MAC, 0x0);
 318
 319                         ret |= h->dev->ops->set_loopback(h,
 320                                 MAC_INTERNALLOOP_SERDES, 0x0);
 321                 }
 322                 break;
 323         default:
 324                 ret = -EINVAL;
 325                 break;
 326         }
 327
 328         return ret;
 329 }
 330
 331 static int __lb_up(struct net_device *ndev,
 332                    enum hnae_loop loop_mode)
 333 {
 334         struct hns_nic_priv *priv = netdev_priv(ndev);
 335         struct hnae_handle *h = priv->ae_handle;
 336         int speed, duplex;
 337         int ret;
 338
 339         hns_nic_net_reset(ndev);
 340
 341         if (priv->phy) {
 342                 phy_disconnect(priv->phy);
 343                 msleep(100);
 344
 345                 ret = hns_nic_init_phy(ndev, h);
 346                 if (ret)
 347                         return ret;
 348         }
 349
 350         ret = __lb_setup(ndev, loop_mode);
 351         if (ret)
 352                 return ret;
 353
 354         msleep(100);
 355
 356         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 357         if (ret)
 358                 return ret;
 359
 360         if (priv->phy)
 361                 phy_start(priv->phy);
 362
 363         /* link adjust duplex*/
 364         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 365                 speed = 1000;
 366         else
 367                 speed = 10000;
 368         duplex = 1;
 369
 370         h->dev->ops->adjust_link(h, speed, duplex);
 371
 372         return 0;
 373 }
 374
 375 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 376                                struct sk_buff *skb)
 377 {
 378         struct net_device *ndev;
 379         struct hnae_ring *ring;
 380         struct netdev_queue *dev_queue;
 381         struct sk_buff *new_skb;
 382         unsigned int frame_size;
 383         int check_ok;
 384         u32 i;
 385         char buff[33]; /* 32B data and the last character '\0' */
 386
 387         if (!ring_data) { /* Just for doing create frame*/
 388                 frame_size = skb->len;
 389                 memset(skb->data, 0xFF, frame_size);
 390                 frame_size &= ~1ul;
 391                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 392                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 393                        frame_size / 2 - 11);
 394                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 395                        frame_size / 2 - 13);
 396                 return;
 397         }
 398
 399         ring = ring_data->ring;
 400         ndev = ring_data->napi.dev;
 401         if (is_tx_ring(ring)) { /* for tx queue reset*/
 402                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 403                 netdev_tx_reset_queue(dev_queue);
 404                 return;
 405         }
 406
 407         frame_size = skb->len;
 408         frame_size &= ~1ul;
 409         /* for mutl buffer*/
 410         new_skb = skb_copy(skb, GFP_ATOMIC);
 411         dev_kfree_skb_any(skb);
 412         skb = new_skb;
 413
 414         check_ok = 0;
 415         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 416                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 417                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 418                         check_ok = 1;
 419         }
 420
 421         if (check_ok) {
 422                 ndev->stats.rx_packets++;
 423                 ndev->stats.rx_bytes += skb->len;
 424         } else {
 425                 ndev->stats.rx_frame_errors++;
 426                 for (i = 0; i < skb->len; i++) {
 427                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 428                                  "%02x", *(skb->data + i));
 429                         if ((i % 16 == 15) || (i == skb->len - 1))
 430                                 pr_info("%s\n", buff);
 431                 }
 432         }
 433         dev_kfree_skb_any(skb);
 434 }
 435
 436 static int __lb_clean_rings(struct hns_nic_priv *priv,
 437                             int ringid0, int ringid1, int budget)
 438 {
 439         int i, ret;
 440         struct hns_nic_ring_data *ring_data;
 441         struct net_device *ndev = priv->netdev;
 442         unsigned long rx_packets = ndev->stats.rx_packets;
 443         unsigned long rx_bytes = ndev->stats.rx_bytes;
 444         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 445
 446         for (i = ringid0; i <= ringid1; i++) {
 447                 ring_data = &priv->ring_data[i];
 448                 (void)ring_data->poll_one(ring_data,
 449                                           budget, __lb_other_process);
 450         }
 451         ret = (int)(ndev->stats.rx_packets - rx_packets);
 452         ndev->stats.rx_packets = rx_packets;
 453         ndev->stats.rx_bytes = rx_bytes;
 454         ndev->stats.rx_frame_errors = rx_frame_errors;
 455         return ret;
 456 }
 457
 458 /**
 459  * nic_run_loopback_test -  run loopback test
 460  * @nic_dev: net device
 461  * @loopback_type: loopback type
 462  */
 463 static int __lb_run_test(struct net_device *ndev,
 464                          enum hnae_loop loop_mode)
 465 {
 466 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 467 #define NIC_LB_TEST_RING_ID 0
 468 #define NIC_LB_TEST_FRAME_SIZE 128
 469 /* nic loopback test err  */
 470 #define NIC_LB_TEST_NO_MEM_ERR 1
 471 #define NIC_LB_TEST_TX_CNT_ERR 2
 472 #define NIC_LB_TEST_RX_CNT_ERR 3
 473 #define NIC_LB_TEST_RX_PKG_ERR 4
 474         struct hns_nic_priv *priv = netdev_priv(ndev);
 475         struct hnae_handle *h = priv->ae_handle;
 476         int i, j, lc, good_cnt, ret_val = 0;
 477         unsigned int size;
 478         netdev_tx_t tx_ret_val;
 479         struct sk_buff *skb;
 480
 481         size = NIC_LB_TEST_FRAME_SIZE;
 482         /* allocate test skb */
 483         skb = alloc_skb(size, GFP_KERNEL);
 484         if (!skb)
 485                 return NIC_LB_TEST_NO_MEM_ERR;
 486
 487         /* place data into test skb */
 488         (void)skb_put(skb, size);
 489         __lb_other_process(NULL, skb);
 490         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 491
 492         lc = 1;
 493         for (j = 0; j < lc; j++) {
 494                 /* reset count of good packets */
 495                 good_cnt = 0;
 496                 /* place 64 packets on the transmit queue*/
 497                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 498                         (void)skb_get(skb);
 499
 500                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 501                                 ndev, skb,
 502                                 &tx_ring_data(priv, skb->queue_mapping));
 503                         if (tx_ret_val == NETDEV_TX_OK)
 504                                 good_cnt++;
 505                         else
 506                                 break;
 507                 }
 508                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 509                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 510                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 511                                 hns_nic_test_strs[loop_mode], good_cnt,
 512                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 513                         break;
 514                 }
 515
 516                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 517                 msleep(100);
 518
 519                 good_cnt = __lb_clean_rings(priv,
 520                                             h->q_num, h->q_num * 2 - 1,
 521                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 522                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 523                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 524                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 525                                 hns_nic_test_strs[loop_mode], good_cnt,
 526                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 527                         break;
 528                 }
 529                 (void)__lb_clean_rings(priv,
 530                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 531                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 532         }
 533
 534         /* free the original skb */
 535         kfree_skb(skb);
 536
 537         return ret_val;
 538 }
 539
 540 static int __lb_down(struct net_device *ndev)
 541 {
 542         struct hns_nic_priv *priv = netdev_priv(ndev);
 543         struct hnae_handle *h = priv->ae_handle;
 544         int ret;
 545
 546         ret = __lb_setup(ndev, MAC_LOOP_NONE);
 547         if (ret)
 548                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 549                            __func__,
 550                            ret);
 551
 552         if (priv->phy)
 553                 phy_stop(priv->phy);
 554
 555         if (h->dev->ops->stop)
 556                 h->dev->ops->stop(h);
 557
 558         usleep_range(10000, 20000);
 559         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
 560
 561         hns_nic_net_reset(ndev);
 562
 563         return 0;
 564 }
 565
 566 /**
 567  * hns_nic_self_test - self test
 568  * @dev: net device
 569  * @eth_test: test cmd
 570  * @data: test result
 571  */
 572 static void hns_nic_self_test(struct net_device *ndev,
 573                               struct ethtool_test *eth_test, u64 *data)
 574 {
 575         struct hns_nic_priv *priv = netdev_priv(ndev);
 576         bool if_running = netif_running(ndev);
 577 #define SELF_TEST_TPYE_NUM 3
 578         int st_param[SELF_TEST_TPYE_NUM][2];
 579         int i;
 580         int test_index = 0;
 581
 582         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
 583         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
 584         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
 585         st_param[1][1] = 1; /*serdes must exist*/
 586         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
 587         st_param[2][1] = ((!!(priv->ae_handle->phy_node)) &&
 588                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
 589
 590         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 591                 set_bit(NIC_STATE_TESTING, &priv->state);
 592
 593                 if (if_running)
 594                         (void)dev_close(ndev);
 595
 596                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
 597                         if (!st_param[i][1])
 598                                 continue;       /* NEXT testing */
 599
 600                         data[test_index] = __lb_up(ndev,
 601                                 (enum hnae_loop)st_param[i][0]);
 602                         if (!data[test_index]) {
 603                                 data[test_index] = __lb_run_test(
 604                                         ndev, (enum hnae_loop)st_param[i][0]);
 605                                 (void)__lb_down(ndev);
 606                         }
 607
 608                         if (data[test_index])
 609                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 610
 611                         test_index++;
 612                 }
 613
 614                 hns_nic_net_reset(priv->netdev);
 615
 616                 clear_bit(NIC_STATE_TESTING, &priv->state);
 617
 618                 if (if_running)
 619                         (void)dev_open(ndev);
 620         }
 621         /* Online tests aren't run; pass by default */
 622
 623         (void)msleep_interruptible(4 * 1000);
 624 }
 625
 626 /**
 627  * hns_nic_get_drvinfo - get net driver info
 628  * @dev: net device
 629  * @drvinfo: driver info
 630  */
 631 static void hns_nic_get_drvinfo(struct net_device *net_dev,
 632                                 struct ethtool_drvinfo *drvinfo)
 633 {
 634         struct hns_nic_priv *priv = netdev_priv(net_dev);
 635
 636         assert(priv);
 637
 638         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 639                 sizeof(drvinfo->version));
 640         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 641
 642         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 643         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 644
 645         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 646                 sizeof(drvinfo->bus_info));
 647         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 648
 649         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 650         drvinfo->eedump_len = 0;
 651 }
 652
 653 /**
 654  * hns_get_ringparam - get ring parameter
 655  * @dev: net device
 656  * @param: ethtool parameter
 657  */
 658 void hns_get_ringparam(struct net_device *net_dev,
 659                        struct ethtool_ringparam *param)
 660 {
 661         struct hns_nic_priv *priv = netdev_priv(net_dev);
 662         struct hnae_ae_ops *ops;
 663         struct hnae_queue *queue;
 664         u32 uplimit = 0;
 665
 666         queue = priv->ae_handle->qs[0];
 667         ops = priv->ae_handle->dev->ops;
 668
 669         if (ops->get_ring_bdnum_limit)
 670                 ops->get_ring_bdnum_limit(queue, &uplimit);
 671
 672         param->rx_max_pending = uplimit;
 673         param->tx_max_pending = uplimit;
 674         param->rx_pending = queue->rx_ring.desc_num;
 675         param->tx_pending = queue->tx_ring.desc_num;
 676 }
 677
 678 /**
 679  * hns_get_pauseparam - get pause parameter
 680  * @dev: net device
 681  * @param: pause parameter
 682  */
 683 static void hns_get_pauseparam(struct net_device *net_dev,
 684                                struct ethtool_pauseparam *param)
 685 {
 686         struct hns_nic_priv *priv = netdev_priv(net_dev);
 687         struct hnae_ae_ops *ops;
 688
 689         ops = priv->ae_handle->dev->ops;
 690
 691         if (ops->get_pauseparam)
 692                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 693                                             &param->rx_pause, &param->tx_pause);
 694 }
 695
 696 /**
 697  * hns_set_pauseparam - set pause parameter
 698  * @dev: net device
 699  * @param: pause parameter
 700  *
 701  * Return 0 on success, negative on failure
 702  */
 703 static int hns_set_pauseparam(struct net_device *net_dev,
 704                               struct ethtool_pauseparam *param)
 705 {
 706         struct hns_nic_priv *priv = netdev_priv(net_dev);
 707         struct hnae_handle *h;
 708         struct hnae_ae_ops *ops;
 709
 710         assert(priv || priv->ae_handle);
 711
 712         h = priv->ae_handle;
 713         ops = h->dev->ops;
 714
 715         if (!ops->set_pauseparam)
 716                 return -ESRCH;
 717
 718         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 719                                    param->rx_pause, param->tx_pause);
 720 }
 721
 722 /**
 723  * hns_get_coalesce - get coalesce info.
 724  * @dev: net device
 725  * @ec: coalesce info.
 726  *
 727  * Return 0 on success, negative on failure.
 728  */
 729 static int hns_get_coalesce(struct net_device *net_dev,
 730                             struct ethtool_coalesce *ec)
 731 {
 732         struct hns_nic_priv *priv = netdev_priv(net_dev);
 733         struct hnae_ae_ops *ops;
 734
 735         ops = priv->ae_handle->dev->ops;
 736
 737         ec->use_adaptive_rx_coalesce = 1;
 738         ec->use_adaptive_tx_coalesce = 1;
 739
 740         if ((!ops->get_coalesce_usecs) ||
 741             (!ops->get_rx_max_coalesced_frames))
 742                 return -ESRCH;
 743
 744         ops->get_coalesce_usecs(priv->ae_handle,
 745                                         &ec->tx_coalesce_usecs,
 746                                         &ec->rx_coalesce_usecs);
 747
 748         ops->get_rx_max_coalesced_frames(
 749                 priv->ae_handle,
 750                 &ec->tx_max_coalesced_frames,
 751                 &ec->rx_max_coalesced_frames);
 752
 753         return 0;
 754 }
 755
 756 /**
 757  * hns_set_coalesce - set coalesce info.
 758  * @dev: net device
 759  * @ec: coalesce info.
 760  *
 761  * Return 0 on success, negative on failure.
 762  */
 763 static int hns_set_coalesce(struct net_device *net_dev,
 764                             struct ethtool_coalesce *ec)
 765 {
 766         struct hns_nic_priv *priv = netdev_priv(net_dev);
 767         struct hnae_ae_ops *ops;
 768         int ret;
 769
 770         assert(priv || priv->ae_handle);
 771
 772         ops = priv->ae_handle->dev->ops;
 773
 774         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 775                 return -EINVAL;
 776
 777         if (ec->rx_max_coalesced_frames != ec->tx_max_coalesced_frames)
 778                 return -EINVAL;
 779
 780         if ((!ops->set_coalesce_usecs) ||
 781             (!ops->set_coalesce_frames))
 782                 return -ESRCH;
 783
 784         ops->set_coalesce_usecs(priv->ae_handle,
 785                                         ec->rx_coalesce_usecs);
 786
 787         ret = ops->set_coalesce_frames(
 788                 priv->ae_handle,
 789                 ec->rx_max_coalesced_frames);
 790
 791         return ret;
 792 }
 793
 794 /**
 795  * hns_get_channels - get channel info.
 796  * @dev: net device
 797  * @ch: channel info.
 798  */
 799 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 800 {
 801         struct hns_nic_priv *priv = netdev_priv(net_dev);
 802
 803         ch->max_rx = priv->ae_handle->q_num;
 804         ch->max_tx = priv->ae_handle->q_num;
 805
 806         ch->rx_count = priv->ae_handle->q_num;
 807         ch->tx_count = priv->ae_handle->q_num;
 808 }
 809
 810 /**
 811  * get_ethtool_stats - get detail statistics.
 812  * @dev: net device
 813  * @stats: statistics info.
 814  * @data: statistics data.
 815  */
 816 void hns_get_ethtool_stats(struct net_device *netdev,
 817                            struct ethtool_stats *stats, u64 *data)
 818 {
 819         u64 *p = data;
 820         struct hns_nic_priv *priv = netdev_priv(netdev);
 821         struct hnae_handle *h = priv->ae_handle;
 822         const struct rtnl_link_stats64 *net_stats;
 823         struct rtnl_link_stats64 temp;
 824
 825         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 826                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 827                 return;
 828         }
 829
 830         h->dev->ops->update_stats(h, &netdev->stats);
 831
 832         net_stats = dev_get_stats(netdev, &temp);
 833
 834         /* get netdev statistics */
 835         p[0] = net_stats->rx_packets;
 836         p[1] = net_stats->tx_packets;
 837         p[2] = net_stats->rx_bytes;
 838         p[3] = net_stats->tx_bytes;
 839         p[4] = net_stats->rx_errors;
 840         p[5] = net_stats->tx_errors;
 841         p[6] = net_stats->rx_dropped;
 842         p[7] = net_stats->tx_dropped;
 843         p[8] = net_stats->multicast;
 844         p[9] = net_stats->collisions;
 845         p[10] = net_stats->rx_over_errors;
 846         p[11] = net_stats->rx_crc_errors;
 847         p[12] = net_stats->rx_frame_errors;
 848         p[13] = net_stats->rx_fifo_errors;
 849         p[14] = net_stats->rx_missed_errors;
 850         p[15] = net_stats->tx_aborted_errors;
 851         p[16] = net_stats->tx_carrier_errors;
 852         p[17] = net_stats->tx_fifo_errors;
 853         p[18] = net_stats->tx_heartbeat_errors;
 854         p[19] = net_stats->rx_length_errors;
 855         p[20] = net_stats->tx_window_errors;
 856         p[21] = net_stats->rx_compressed;
 857         p[22] = net_stats->tx_compressed;
 858
 859         p[23] = netdev->rx_dropped.counter;
 860         p[24] = netdev->tx_dropped.counter;
 861
 862         p[25] = priv->tx_timeout_count;
 863
 864         /* get driver statistics */
 865         h->dev->ops->get_stats(h, &p[26]);
 866 }
 867
 868 /**
 869  * get_strings: Return a set of strings that describe the requested objects
 870  * @dev: net device
 871  * @stats: string set ID.
 872  * @data: objects data.
 873  */
 874 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 875 {
 876         struct hns_nic_priv *priv = netdev_priv(netdev);
 877         struct hnae_handle *h = priv->ae_handle;
 878         char *buff = (char *)data;
 879
 880         if (!h->dev->ops->get_strings) {
 881                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 882                 return;
 883         }
 884
 885         if (stringset == ETH_SS_TEST) {
 886                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 887                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 888                                ETH_GSTRING_LEN);
 889                         buff += ETH_GSTRING_LEN;
 890                 }
 891                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 892                        ETH_GSTRING_LEN);
 893                 buff += ETH_GSTRING_LEN;
 894                 if ((priv->phy) && (!priv->phy->is_c45))
 895                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 896                                ETH_GSTRING_LEN);
 897
 898         } else {
 899                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 900                 buff = buff + ETH_GSTRING_LEN;
 901                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 902                 buff = buff + ETH_GSTRING_LEN;
 903                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 904                 buff = buff + ETH_GSTRING_LEN;
 905                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 906                 buff = buff + ETH_GSTRING_LEN;
 907                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 908                 buff = buff + ETH_GSTRING_LEN;
 909                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 910                 buff = buff + ETH_GSTRING_LEN;
 911                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 912                 buff = buff + ETH_GSTRING_LEN;
 913                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 914                 buff = buff + ETH_GSTRING_LEN;
 915                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 916                 buff = buff + ETH_GSTRING_LEN;
 917                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 918                 buff = buff + ETH_GSTRING_LEN;
 919                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 920                 buff = buff + ETH_GSTRING_LEN;
 921                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 922                 buff = buff + ETH_GSTRING_LEN;
 923                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 924                 buff = buff + ETH_GSTRING_LEN;
 925                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 926                 buff = buff + ETH_GSTRING_LEN;
 927                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 928                 buff = buff + ETH_GSTRING_LEN;
 929                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 930                 buff = buff + ETH_GSTRING_LEN;
 931                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 932                 buff = buff + ETH_GSTRING_LEN;
 933                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 934                 buff = buff + ETH_GSTRING_LEN;
 935                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 936                 buff = buff + ETH_GSTRING_LEN;
 937                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 938                 buff = buff + ETH_GSTRING_LEN;
 939                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 940                 buff = buff + ETH_GSTRING_LEN;
 941                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 942                 buff = buff + ETH_GSTRING_LEN;
 943                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 944                 buff = buff + ETH_GSTRING_LEN;
 945                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 946                 buff = buff + ETH_GSTRING_LEN;
 947                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 948                 buff = buff + ETH_GSTRING_LEN;
 949
 950                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 951                 buff = buff + ETH_GSTRING_LEN;
 952
 953                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
 954         }
 955 }
 956
 957 /**
 958  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
 959  * @dev: net device
 960  * @stringset: string set index, 0: self test string; 1: statistics string.
 961  *
 962  * Return string set count.
 963  */
 964 int hns_get_sset_count(struct net_device *netdev, int stringset)
 965 {
 966         struct hns_nic_priv *priv = netdev_priv(netdev);
 967         struct hnae_handle *h = priv->ae_handle;
 968         struct hnae_ae_ops *ops = h->dev->ops;
 969
 970         if (!ops->get_sset_count) {
 971                 netdev_err(netdev, "get_sset_count is null!\n");
 972                 return -EOPNOTSUPP;
 973         }
 974         if (stringset == ETH_SS_TEST) {
 975                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
 976
 977                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
 978                         cnt--;
 979
 980                 if ((!priv->phy) || (priv->phy->is_c45))
 981                         cnt--;
 982
 983                 return cnt;
 984         } else {
 985                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
 986         }
 987 }
 988
 989 /**
 990  * hns_phy_led_set - set phy LED status.
 991  * @dev: net device
 992  * @value: LED state.
 993  *
 994  * Return 0 on success, negative on failure.
 995  */
 996 int hns_phy_led_set(struct net_device *netdev, int value)
 997 {
 998         int retval;
 999         struct hns_nic_priv *priv = netdev_priv(netdev);
1000         struct phy_device *phy_dev = priv->phy;
1001
1002         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1003         retval = phy_write(phy_dev, HNS_LED_FC_REG, value);
1004         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1005         if (retval) {
1006                 netdev_err(netdev, "mdiobus_write fail !\n");
1007                 return retval;
1008         }
1009         return 0;
1010 }
1011
1012 /**
1013  * nic_set_phys_id - set phy identify LED.
1014  * @dev: net device
1015  * @state: LED state.
1016  *
1017  * Return 0 on success, negative on failure.
1018  */
1019 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1020 {
1021         struct hns_nic_priv *priv = netdev_priv(netdev);
1022         struct hnae_handle *h = priv->ae_handle;
1023         struct phy_device *phy_dev = priv->phy;
1024         int ret;
1025
1026         if (phy_dev)
1027                 switch (state) {
1028                 case ETHTOOL_ID_ACTIVE:
1029                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1030                                         HNS_PHY_PAGE_LED);
1031                         if (ret)
1032                                 return ret;
1033
1034                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1035
1036                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1037                                         HNS_PHY_PAGE_COPPER);
1038                         if (ret)
1039                                 return ret;
1040                         return 2;
1041                 case ETHTOOL_ID_ON:
1042                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1043                         if (ret)
1044                                 return ret;
1045                         break;
1046                 case ETHTOOL_ID_OFF:
1047                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1048                         if (ret)
1049                                 return ret;
1050                         break;
1051                 case ETHTOOL_ID_INACTIVE:
1052                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1053                                         HNS_PHY_PAGE_LED);
1054                         if (ret)
1055                                 return ret;
1056
1057                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1058                                         priv->phy_led_val);
1059                         if (ret)
1060                                 return ret;
1061
1062                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1063                                         HNS_PHY_PAGE_COPPER);
1064                         if (ret)
1065                                 return ret;
1066                         break;
1067                 default:
1068                         return -EINVAL;
1069                 }
1070         else
1071                 switch (state) {
1072                 case ETHTOOL_ID_ACTIVE:
1073                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1074                 case ETHTOOL_ID_ON:
1075                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1076                 case ETHTOOL_ID_OFF:
1077                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1078                 case ETHTOOL_ID_INACTIVE:
1079                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1080                 default:
1081                         return -EINVAL;
1082                 }
1083
1084         return 0;
1085 }
1086
1087 /**
1088  * hns_get_regs - get net device register
1089  * @dev: net device
1090  * @cmd: ethtool cmd
1091  * @date: register data
1092  */
1093 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1094                   void *data)
1095 {
1096         struct hns_nic_priv *priv = netdev_priv(net_dev);
1097         struct hnae_ae_ops *ops;
1098
1099         assert(priv || priv->ae_handle);
1100
1101         ops = priv->ae_handle->dev->ops;
1102
1103         cmd->version = HNS_CHIP_VERSION;
1104         if (!ops->get_regs) {
1105                 netdev_err(net_dev, "ops->get_regs is null!\n");
1106                 return;
1107         }
1108         ops->get_regs(priv->ae_handle, data);
1109 }
1110
1111 /**
1112  * nic_get_regs_len - get total register len.
1113  * @dev: net device
1114  *
1115  * Return total register len.
1116  */
1117 static int hns_get_regs_len(struct net_device *net_dev)
1118 {
1119         u32 reg_num;
1120         struct hns_nic_priv *priv = netdev_priv(net_dev);
1121         struct hnae_ae_ops *ops;
1122
1123         assert(priv || priv->ae_handle);
1124
1125         ops = priv->ae_handle->dev->ops;
1126         if (!ops->get_regs_len) {
1127                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1128                 return -EOPNOTSUPP;
1129         }
1130
1131         reg_num = ops->get_regs_len(priv->ae_handle);
1132         if (reg_num > 0)
1133                 return reg_num * sizeof(u32);
1134         else
1135                 return reg_num; /* error code */
1136 }
1137
1138 /**
1139  * hns_nic_nway_reset - nway reset
1140  * @dev: net device
1141  *
1142  * Return 0 on success, negative on failure
1143  */
1144 static int hns_nic_nway_reset(struct net_device *netdev)
1145 {
1146         int ret = 0;
1147         struct hns_nic_priv *priv = netdev_priv(netdev);
1148         struct phy_device *phy = priv->phy;
1149
1150         if (netif_running(netdev)) {
1151                 if (phy)
1152                         ret = genphy_restart_aneg(phy);
1153         }
1154
1155         return ret;
1156 }
1157
1158 static u32
1159 hns_get_rss_key_size(struct net_device *netdev)
1160 {
1161         struct hns_nic_priv *priv = netdev_priv(netdev);
1162         struct hnae_ae_ops *ops;
1163         u32 ret;
1164
1165         if (AE_IS_VER1(priv->enet_ver)) {
1166                 netdev_err(netdev,
1167                            "RSS feature is not supported on this hardware\n");
1168                 return -EOPNOTSUPP;
1169         }
1170
1171         ops = priv->ae_handle->dev->ops;
1172         ret = ops->get_rss_key_size(priv->ae_handle);
1173
1174         return ret;
1175 }
1176
1177 static u32
1178 hns_get_rss_indir_size(struct net_device *netdev)
1179 {
1180         struct hns_nic_priv *priv = netdev_priv(netdev);
1181         struct hnae_ae_ops *ops;
1182         u32 ret;
1183
1184         if (AE_IS_VER1(priv->enet_ver)) {
1185                 netdev_err(netdev,
1186                            "RSS feature is not supported on this hardware\n");
1187                 return -EOPNOTSUPP;
1188         }
1189
1190         ops = priv->ae_handle->dev->ops;
1191         ret = ops->get_rss_indir_size(priv->ae_handle);
1192
1193         return ret;
1194 }
1195
1196 static int
1197 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1198 {
1199         struct hns_nic_priv *priv = netdev_priv(netdev);
1200         struct hnae_ae_ops *ops;
1201         int ret;
1202
1203         if (AE_IS_VER1(priv->enet_ver)) {
1204                 netdev_err(netdev,
1205                            "RSS feature is not supported on this hardware\n");
1206                 return -EOPNOTSUPP;
1207         }
1208
1209         ops = priv->ae_handle->dev->ops;
1210
1211         if (!indir)
1212                 return 0;
1213
1214         ret = ops->get_rss(priv->ae_handle, indir, key, hfunc);
1215
1216         return 0;
1217 }
1218
1219 static int
1220 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1221             const u8 hfunc)
1222 {
1223         struct hns_nic_priv *priv = netdev_priv(netdev);
1224         struct hnae_ae_ops *ops;
1225         int ret;
1226
1227         if (AE_IS_VER1(priv->enet_ver)) {
1228                 netdev_err(netdev,
1229                            "RSS feature is not supported on this hardware\n");
1230                 return -EOPNOTSUPP;
1231         }
1232
1233         ops = priv->ae_handle->dev->ops;
1234
1235         /* currently hfunc can only be Toeplitz hash */
1236         if (key ||
1237             (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1238                 return -EOPNOTSUPP;
1239         if (!indir)
1240                 return 0;
1241
1242         ret = ops->set_rss(priv->ae_handle, indir, key, hfunc);
1243
1244         return 0;
1245 }
1246
1247 static struct ethtool_ops hns_ethtool_ops = {
1248         .get_drvinfo = hns_nic_get_drvinfo,
1249         .get_link  = hns_nic_get_link,
1250         .get_settings  = hns_nic_get_settings,
1251         .set_settings  = hns_nic_set_settings,
1252         .get_ringparam = hns_get_ringparam,
1253         .get_pauseparam = hns_get_pauseparam,
1254         .set_pauseparam = hns_set_pauseparam,
1255         .get_coalesce = hns_get_coalesce,
1256         .set_coalesce = hns_set_coalesce,
1257         .get_channels = hns_get_channels,
1258         .self_test = hns_nic_self_test,
1259         .get_strings = hns_get_strings,
1260         .get_sset_count = hns_get_sset_count,
1261         .get_ethtool_stats = hns_get_ethtool_stats,
1262         .set_phys_id = hns_set_phys_id,
1263         .get_regs_len = hns_get_regs_len,
1264         .get_regs = hns_get_regs,
1265         .nway_reset = hns_nic_nway_reset,
1266         .get_rxfh_key_size = hns_get_rss_key_size,
1267         .get_rxfh_indir_size = hns_get_rss_indir_size,
1268         .get_rxfh = hns_get_rss,
1269         .set_rxfh = hns_set_rss,
1270 };
1271
1272 void hns_ethtool_set_ops(struct net_device *ndev)
1273 {
1274         ndev->ethtool_ops = &hns_ethtool_ops;
1275 }