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         h = priv->ae_handle;
  50
  51         if (net_dev->phydev) {
  52                 if (!genphy_read_status(net_dev->phydev))
  53                         link_stat = net_dev->phydev->link;
  54                 else
  55                         link_stat = 0;
  56         }
  57
  58         if (h->dev && h->dev->ops && h->dev->ops->get_status)
  59                 link_stat = link_stat && h->dev->ops->get_status(h);
  60         else
  61                 link_stat = 0;
  62
  63         return link_stat;
  64 }
  65
  66 static void hns_get_mdix_mode(struct net_device *net_dev,
  67                               struct ethtool_link_ksettings *cmd)
  68 {
  69         int mdix_ctrl, mdix, retval, is_resolved;
  70         struct phy_device *phy_dev = net_dev->phydev;
  71
  72         if (!phy_dev || !phy_dev->mdio.bus) {
  73                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  74                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
  75                 return;
  76         }
  77
  78         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
  79
  80         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
  81         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
  82
  83         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
  84         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
  85         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
  86
  87         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
  88
  89         switch (mdix_ctrl) {
  90         case 0x0:
  91                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
  92                 break;
  93         case 0x1:
  94                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
  95                 break;
  96         case 0x3:
  97                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
  98                 break;
  99         default:
 100                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 101                 break;
 102         }
 103
 104         if (!is_resolved)
 105                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 106         else if (mdix)
 107                 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
 108         else
 109                 cmd->base.eth_tp_mdix = ETH_TP_MDI;
 110 }
 111
 112 /**
 113  *hns_nic_get_link_ksettings - implement ethtool get link ksettings
 114  *@net_dev: net_device
 115  *@cmd: ethtool_link_ksettings
 116  *retuen 0 - success , negative --fail
 117  */
 118 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
 119                                       struct ethtool_link_ksettings *cmd)
 120 {
 121         struct hns_nic_priv *priv = netdev_priv(net_dev);
 122         struct hnae_handle *h;
 123         u32 link_stat;
 124         int ret;
 125         u8 duplex;
 126         u16 speed;
 127         u32 supported, advertising;
 128
 129         if (!priv || !priv->ae_handle)
 130                 return -ESRCH;
 131
 132         h = priv->ae_handle;
 133         if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
 134                 return -ESRCH;
 135
 136         ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
 137         if (ret < 0) {
 138                 netdev_err(net_dev, "%s get_info error!\n", __func__);
 139                 return -EINVAL;
 140         }
 141
 142         ethtool_convert_link_mode_to_legacy_u32(&supported,
 143                                                 cmd->link_modes.supported);
 144         ethtool_convert_link_mode_to_legacy_u32(&advertising,
 145                                                 cmd->link_modes.advertising);
 146
 147         /* When there is no phy, autoneg is off. */
 148         cmd->base.autoneg = false;
 149         cmd->base.cmd = speed;
 150         cmd->base.duplex = duplex;
 151
 152         if (net_dev->phydev)
 153                 (void)phy_ethtool_ksettings_get(net_dev->phydev, cmd);
 154
 155         link_stat = hns_nic_get_link(net_dev);
 156         if (!link_stat) {
 157                 cmd->base.speed = (u32)SPEED_UNKNOWN;
 158                 cmd->base.duplex = DUPLEX_UNKNOWN;
 159         }
 160
 161         if (cmd->base.autoneg)
 162                 advertising |= ADVERTISED_Autoneg;
 163
 164         supported |= h->if_support;
 165         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 166                 supported |= SUPPORTED_TP;
 167                 advertising |= ADVERTISED_1000baseT_Full;
 168         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 169                 supported |= SUPPORTED_FIBRE;
 170                 advertising |= ADVERTISED_10000baseKR_Full;
 171         }
 172
 173         switch (h->media_type) {
 174         case HNAE_MEDIA_TYPE_FIBER:
 175                 cmd->base.port = PORT_FIBRE;
 176                 break;
 177         case HNAE_MEDIA_TYPE_COPPER:
 178                 cmd->base.port = PORT_TP;
 179                 break;
 180         case HNAE_MEDIA_TYPE_UNKNOWN:
 181         default:
 182                 break;
 183         }
 184
 185         if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
 186                 supported |= SUPPORTED_Pause;
 187
 188         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 189                                                 supported);
 190         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 191                                                 advertising);
 192
 193         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
 194         hns_get_mdix_mode(net_dev, cmd);
 195
 196         return 0;
 197 }
 198
 199 /**
 200  *hns_nic_set_link_settings - implement ethtool set link ksettings
 201  *@net_dev: net_device
 202  *@cmd: ethtool_link_ksettings
 203  *retuen 0 - success , negative --fail
 204  */
 205 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
 206                                       const struct ethtool_link_ksettings *cmd)
 207 {
 208         struct hns_nic_priv *priv = netdev_priv(net_dev);
 209         struct hnae_handle *h;
 210         u32 speed;
 211
 212         if (!netif_running(net_dev))
 213                 return -ESRCH;
 214
 215         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
 216             !priv->ae_handle->dev->ops)
 217                 return -ENODEV;
 218
 219         h = priv->ae_handle;
 220         speed = cmd->base.speed;
 221
 222         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 223                 if (cmd->base.autoneg == AUTONEG_ENABLE ||
 224                     speed != SPEED_10000 ||
 225                     cmd->base.duplex != DUPLEX_FULL)
 226                         return -EINVAL;
 227         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 228                 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
 229                         return -EINVAL;
 230
 231                 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 232                         return -EINVAL;
 233                 if (net_dev->phydev)
 234                         return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
 235
 236                 if ((speed != SPEED_10 && speed != SPEED_100 &&
 237                      speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
 238                      cmd->base.duplex != DUPLEX_FULL))
 239                         return -EINVAL;
 240         } else {
 241                 netdev_err(net_dev, "Not supported!");
 242                 return -ENOTSUPP;
 243         }
 244
 245         if (h->dev->ops->adjust_link) {
 246                 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
 247                 return 0;
 248         }
 249
 250         netdev_err(net_dev, "Not supported!");
 251         return -ENOTSUPP;
 252 }
 253
 254 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
 255         "Mac    Loopback test",
 256         "Serdes Loopback test",
 257         "Phy    Loopback test"
 258 };
 259
 260 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
 261 {
 262 #define COPPER_CONTROL_REG 0
 263 #define PHY_POWER_DOWN BIT(11)
 264 #define PHY_LOOP_BACK BIT(14)
 265         u16 val = 0;
 266
 267         if (phy_dev->is_c45) /* c45 branch adding for XGE PHY */
 268                 return -ENOTSUPP;
 269
 270         if (en) {
 271                 /* speed : 1000M */
 272                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 2);
 273                 phy_write(phy_dev, 21, 0x1046);
 274
 275                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 276                 /* Force Master */
 277                 phy_write(phy_dev, 9, 0x1F00);
 278
 279                 /* Soft-reset */
 280                 phy_write(phy_dev, 0, 0x9140);
 281                 /* If autoneg disabled,two soft-reset operations */
 282                 phy_write(phy_dev, 0, 0x9140);
 283
 284                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 285
 286                 /* Default is 0x0400 */
 287                 phy_write(phy_dev, 1, 0x418);
 288
 289                 /* Force 1000M Link, Default is 0x0200 */
 290                 phy_write(phy_dev, 7, 0x20C);
 291                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 292
 293                 /* Enable PHY loop-back */
 294                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 295                 val |= PHY_LOOP_BACK;
 296                 val &= ~PHY_POWER_DOWN;
 297                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 298         } else {
 299                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 300                 phy_write(phy_dev, 1, 0x400);
 301                 phy_write(phy_dev, 7, 0x200);
 302                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 303                 phy_write(phy_dev, 9, 0xF00);
 304
 305                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 306                 val &= ~PHY_LOOP_BACK;
 307                 val |= PHY_POWER_DOWN;
 308                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 309         }
 310         return 0;
 311 }
 312
 313 static int __lb_setup(struct net_device *ndev,
 314                       enum hnae_loop loop)
 315 {
 316         int ret = 0;
 317         struct hns_nic_priv *priv = netdev_priv(ndev);
 318         struct phy_device *phy_dev = ndev->phydev;
 319         struct hnae_handle *h = priv->ae_handle;
 320
 321         switch (loop) {
 322         case MAC_INTERNALLOOP_PHY:
 323                 if ((phy_dev) && (!phy_dev->is_c45)) {
 324                         ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 325                         ret |= h->dev->ops->set_loopback(h, loop, 0x1);
 326                 }
 327                 break;
 328         case MAC_INTERNALLOOP_MAC:
 329                 if ((h->dev->ops->set_loopback) &&
 330                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 331                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 332                 break;
 333         case MAC_INTERNALLOOP_SERDES:
 334                 if (h->dev->ops->set_loopback)
 335                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 336                 break;
 337         case MAC_LOOP_NONE:
 338                 if ((phy_dev) && (!phy_dev->is_c45))
 339                         ret |= hns_nic_config_phy_loopback(phy_dev, 0x0);
 340
 341                 if (h->dev->ops->set_loopback) {
 342                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 343                                 ret |= h->dev->ops->set_loopback(h,
 344                                         MAC_INTERNALLOOP_MAC, 0x0);
 345
 346                         ret |= h->dev->ops->set_loopback(h,
 347                                 MAC_INTERNALLOOP_SERDES, 0x0);
 348                 }
 349                 break;
 350         default:
 351                 ret = -EINVAL;
 352                 break;
 353         }
 354
 355         return ret;
 356 }
 357
 358 static int __lb_up(struct net_device *ndev,
 359                    enum hnae_loop loop_mode)
 360 {
 361         struct hns_nic_priv *priv = netdev_priv(ndev);
 362         struct hnae_handle *h = priv->ae_handle;
 363         int speed, duplex;
 364         int ret;
 365
 366         hns_nic_net_reset(ndev);
 367
 368         ret = __lb_setup(ndev, loop_mode);
 369         if (ret)
 370                 return ret;
 371
 372         msleep(200);
 373
 374         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 375         if (ret)
 376                 return ret;
 377
 378         /* link adjust duplex*/
 379         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 380                 speed = 1000;
 381         else
 382                 speed = 10000;
 383         duplex = 1;
 384
 385         h->dev->ops->adjust_link(h, speed, duplex);
 386
 387         return 0;
 388 }
 389
 390 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 391                                struct sk_buff *skb)
 392 {
 393         struct net_device *ndev;
 394         struct hns_nic_priv *priv;
 395         struct hnae_ring *ring;
 396         struct netdev_queue *dev_queue;
 397         struct sk_buff *new_skb;
 398         unsigned int frame_size;
 399         int check_ok;
 400         u32 i;
 401         char buff[33]; /* 32B data and the last character '\0' */
 402
 403         if (!ring_data) { /* Just for doing create frame*/
 404                 ndev = skb->dev;
 405                 priv = netdev_priv(ndev);
 406
 407                 frame_size = skb->len;
 408                 memset(skb->data, 0xFF, frame_size);
 409                 if ((!AE_IS_VER1(priv->enet_ver)) &&
 410                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
 411                         memcpy(skb->data, ndev->dev_addr, 6);
 412                         skb->data[5] += 0x1f;
 413                 }
 414
 415                 frame_size &= ~1ul;
 416                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 417                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 418                        frame_size / 2 - 11);
 419                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 420                        frame_size / 2 - 13);
 421                 return;
 422         }
 423
 424         ring = ring_data->ring;
 425         ndev = ring_data->napi.dev;
 426         if (is_tx_ring(ring)) { /* for tx queue reset*/
 427                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 428                 netdev_tx_reset_queue(dev_queue);
 429                 return;
 430         }
 431
 432         frame_size = skb->len;
 433         frame_size &= ~1ul;
 434         /* for mutl buffer*/
 435         new_skb = skb_copy(skb, GFP_ATOMIC);
 436         dev_kfree_skb_any(skb);
 437         skb = new_skb;
 438
 439         check_ok = 0;
 440         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 441                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 442                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 443                         check_ok = 1;
 444         }
 445
 446         if (check_ok) {
 447                 ndev->stats.rx_packets++;
 448                 ndev->stats.rx_bytes += skb->len;
 449         } else {
 450                 ndev->stats.rx_frame_errors++;
 451                 for (i = 0; i < skb->len; i++) {
 452                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 453                                  "%02x", *(skb->data + i));
 454                         if ((i % 16 == 15) || (i == skb->len - 1))
 455                                 pr_info("%s\n", buff);
 456                 }
 457         }
 458         dev_kfree_skb_any(skb);
 459 }
 460
 461 static int __lb_clean_rings(struct hns_nic_priv *priv,
 462                             int ringid0, int ringid1, int budget)
 463 {
 464         int i, ret;
 465         struct hns_nic_ring_data *ring_data;
 466         struct net_device *ndev = priv->netdev;
 467         unsigned long rx_packets = ndev->stats.rx_packets;
 468         unsigned long rx_bytes = ndev->stats.rx_bytes;
 469         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 470
 471         for (i = ringid0; i <= ringid1; i++) {
 472                 ring_data = &priv->ring_data[i];
 473                 (void)ring_data->poll_one(ring_data,
 474                                           budget, __lb_other_process);
 475         }
 476         ret = (int)(ndev->stats.rx_packets - rx_packets);
 477         ndev->stats.rx_packets = rx_packets;
 478         ndev->stats.rx_bytes = rx_bytes;
 479         ndev->stats.rx_frame_errors = rx_frame_errors;
 480         return ret;
 481 }
 482
 483 /**
 484  * nic_run_loopback_test -  run loopback test
 485  * @nic_dev: net device
 486  * @loopback_type: loopback type
 487  */
 488 static int __lb_run_test(struct net_device *ndev,
 489                          enum hnae_loop loop_mode)
 490 {
 491 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 492 #define NIC_LB_TEST_RING_ID 0
 493 #define NIC_LB_TEST_FRAME_SIZE 128
 494 /* nic loopback test err  */
 495 #define NIC_LB_TEST_NO_MEM_ERR 1
 496 #define NIC_LB_TEST_TX_CNT_ERR 2
 497 #define NIC_LB_TEST_RX_CNT_ERR 3
 498 #define NIC_LB_TEST_RX_PKG_ERR 4
 499         struct hns_nic_priv *priv = netdev_priv(ndev);
 500         struct hnae_handle *h = priv->ae_handle;
 501         int i, j, lc, good_cnt, ret_val = 0;
 502         unsigned int size;
 503         netdev_tx_t tx_ret_val;
 504         struct sk_buff *skb;
 505
 506         size = NIC_LB_TEST_FRAME_SIZE;
 507         /* allocate test skb */
 508         skb = alloc_skb(size, GFP_KERNEL);
 509         if (!skb)
 510                 return NIC_LB_TEST_NO_MEM_ERR;
 511
 512         /* place data into test skb */
 513         (void)skb_put(skb, size);
 514         skb->dev = ndev;
 515         __lb_other_process(NULL, skb);
 516         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 517
 518         lc = 1;
 519         for (j = 0; j < lc; j++) {
 520                 /* reset count of good packets */
 521                 good_cnt = 0;
 522                 /* place 64 packets on the transmit queue*/
 523                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 524                         (void)skb_get(skb);
 525
 526                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 527                                 ndev, skb,
 528                                 &tx_ring_data(priv, skb->queue_mapping));
 529                         if (tx_ret_val == NETDEV_TX_OK)
 530                                 good_cnt++;
 531                         else
 532                                 break;
 533                 }
 534                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 535                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 536                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 537                                 hns_nic_test_strs[loop_mode], good_cnt,
 538                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 539                         break;
 540                 }
 541
 542                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 543                 msleep(100);
 544
 545                 good_cnt = __lb_clean_rings(priv,
 546                                             h->q_num, h->q_num * 2 - 1,
 547                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 548                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 549                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 550                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 551                                 hns_nic_test_strs[loop_mode], good_cnt,
 552                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 553                         break;
 554                 }
 555                 (void)__lb_clean_rings(priv,
 556                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 557                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 558         }
 559
 560         /* free the original skb */
 561         kfree_skb(skb);
 562
 563         return ret_val;
 564 }
 565
 566 static int __lb_down(struct net_device *ndev)
 567 {
 568         struct hns_nic_priv *priv = netdev_priv(ndev);
 569         struct hnae_handle *h = priv->ae_handle;
 570         int ret;
 571
 572         ret = __lb_setup(ndev, MAC_LOOP_NONE);
 573         if (ret)
 574                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 575                            __func__,
 576                            ret);
 577
 578         if (h->dev->ops->stop)
 579                 h->dev->ops->stop(h);
 580
 581         usleep_range(10000, 20000);
 582         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
 583
 584         hns_nic_net_reset(ndev);
 585
 586         return 0;
 587 }
 588
 589 /**
 590  * hns_nic_self_test - self test
 591  * @dev: net device
 592  * @eth_test: test cmd
 593  * @data: test result
 594  */
 595 static void hns_nic_self_test(struct net_device *ndev,
 596                               struct ethtool_test *eth_test, u64 *data)
 597 {
 598         struct hns_nic_priv *priv = netdev_priv(ndev);
 599         bool if_running = netif_running(ndev);
 600 #define SELF_TEST_TPYE_NUM 3
 601         int st_param[SELF_TEST_TPYE_NUM][2];
 602         int i;
 603         int test_index = 0;
 604
 605         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
 606         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
 607         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
 608         st_param[1][1] = 1; /*serdes must exist*/
 609         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
 610         st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
 611                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
 612
 613         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 614                 set_bit(NIC_STATE_TESTING, &priv->state);
 615
 616                 if (if_running)
 617                         (void)dev_close(ndev);
 618
 619                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
 620                         if (!st_param[i][1])
 621                                 continue;       /* NEXT testing */
 622
 623                         data[test_index] = __lb_up(ndev,
 624                                 (enum hnae_loop)st_param[i][0]);
 625                         if (!data[test_index]) {
 626                                 data[test_index] = __lb_run_test(
 627                                         ndev, (enum hnae_loop)st_param[i][0]);
 628                                 (void)__lb_down(ndev);
 629                         }
 630
 631                         if (data[test_index])
 632                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 633
 634                         test_index++;
 635                 }
 636
 637                 hns_nic_net_reset(priv->netdev);
 638
 639                 clear_bit(NIC_STATE_TESTING, &priv->state);
 640
 641                 if (if_running)
 642                         (void)dev_open(ndev);
 643         }
 644         /* Online tests aren't run; pass by default */
 645
 646         (void)msleep_interruptible(4 * 1000);
 647 }
 648
 649 /**
 650  * hns_nic_get_drvinfo - get net driver info
 651  * @dev: net device
 652  * @drvinfo: driver info
 653  */
 654 static void hns_nic_get_drvinfo(struct net_device *net_dev,
 655                                 struct ethtool_drvinfo *drvinfo)
 656 {
 657         struct hns_nic_priv *priv = netdev_priv(net_dev);
 658
 659         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 660                 sizeof(drvinfo->version));
 661         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 662
 663         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 664         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 665
 666         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 667                 sizeof(drvinfo->bus_info));
 668         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 669
 670         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 671         drvinfo->eedump_len = 0;
 672 }
 673
 674 /**
 675  * hns_get_ringparam - get ring parameter
 676  * @dev: net device
 677  * @param: ethtool parameter
 678  */
 679 void hns_get_ringparam(struct net_device *net_dev,
 680                        struct ethtool_ringparam *param)
 681 {
 682         struct hns_nic_priv *priv = netdev_priv(net_dev);
 683         struct hnae_ae_ops *ops;
 684         struct hnae_queue *queue;
 685         u32 uplimit = 0;
 686
 687         queue = priv->ae_handle->qs[0];
 688         ops = priv->ae_handle->dev->ops;
 689
 690         if (ops->get_ring_bdnum_limit)
 691                 ops->get_ring_bdnum_limit(queue, &uplimit);
 692
 693         param->rx_max_pending = uplimit;
 694         param->tx_max_pending = uplimit;
 695         param->rx_pending = queue->rx_ring.desc_num;
 696         param->tx_pending = queue->tx_ring.desc_num;
 697 }
 698
 699 /**
 700  * hns_get_pauseparam - get pause parameter
 701  * @dev: net device
 702  * @param: pause parameter
 703  */
 704 static void hns_get_pauseparam(struct net_device *net_dev,
 705                                struct ethtool_pauseparam *param)
 706 {
 707         struct hns_nic_priv *priv = netdev_priv(net_dev);
 708         struct hnae_ae_ops *ops;
 709
 710         ops = priv->ae_handle->dev->ops;
 711
 712         if (ops->get_pauseparam)
 713                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 714                                             &param->rx_pause, &param->tx_pause);
 715 }
 716
 717 /**
 718  * hns_set_pauseparam - set pause parameter
 719  * @dev: net device
 720  * @param: pause parameter
 721  *
 722  * Return 0 on success, negative on failure
 723  */
 724 static int hns_set_pauseparam(struct net_device *net_dev,
 725                               struct ethtool_pauseparam *param)
 726 {
 727         struct hns_nic_priv *priv = netdev_priv(net_dev);
 728         struct hnae_handle *h;
 729         struct hnae_ae_ops *ops;
 730
 731         h = priv->ae_handle;
 732         ops = h->dev->ops;
 733
 734         if (!ops->set_pauseparam)
 735                 return -ESRCH;
 736
 737         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 738                                    param->rx_pause, param->tx_pause);
 739 }
 740
 741 /**
 742  * hns_get_coalesce - get coalesce info.
 743  * @dev: net device
 744  * @ec: coalesce info.
 745  *
 746  * Return 0 on success, negative on failure.
 747  */
 748 static int hns_get_coalesce(struct net_device *net_dev,
 749                             struct ethtool_coalesce *ec)
 750 {
 751         struct hns_nic_priv *priv = netdev_priv(net_dev);
 752         struct hnae_ae_ops *ops;
 753
 754         ops = priv->ae_handle->dev->ops;
 755
 756         ec->use_adaptive_rx_coalesce = 1;
 757         ec->use_adaptive_tx_coalesce = 1;
 758
 759         if ((!ops->get_coalesce_usecs) ||
 760             (!ops->get_rx_max_coalesced_frames))
 761                 return -ESRCH;
 762
 763         ops->get_coalesce_usecs(priv->ae_handle,
 764                                         &ec->tx_coalesce_usecs,
 765                                         &ec->rx_coalesce_usecs);
 766
 767         ops->get_rx_max_coalesced_frames(
 768                 priv->ae_handle,
 769                 &ec->tx_max_coalesced_frames,
 770                 &ec->rx_max_coalesced_frames);
 771
 772         ops->get_coalesce_range(priv->ae_handle,
 773                                 &ec->tx_max_coalesced_frames_low,
 774                                 &ec->rx_max_coalesced_frames_low,
 775                                 &ec->tx_max_coalesced_frames_high,
 776                                 &ec->rx_max_coalesced_frames_high,
 777                                 &ec->tx_coalesce_usecs_low,
 778                                 &ec->rx_coalesce_usecs_low,
 779                                 &ec->tx_coalesce_usecs_high,
 780                                 &ec->rx_coalesce_usecs_high);
 781
 782         return 0;
 783 }
 784
 785 /**
 786  * hns_set_coalesce - set coalesce info.
 787  * @dev: net device
 788  * @ec: coalesce info.
 789  *
 790  * Return 0 on success, negative on failure.
 791  */
 792 static int hns_set_coalesce(struct net_device *net_dev,
 793                             struct ethtool_coalesce *ec)
 794 {
 795         struct hns_nic_priv *priv = netdev_priv(net_dev);
 796         struct hnae_ae_ops *ops;
 797         int ret;
 798
 799         ops = priv->ae_handle->dev->ops;
 800
 801         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 802                 return -EINVAL;
 803
 804         if (ec->rx_max_coalesced_frames != ec->tx_max_coalesced_frames)
 805                 return -EINVAL;
 806
 807         if ((!ops->set_coalesce_usecs) ||
 808             (!ops->set_coalesce_frames))
 809                 return -ESRCH;
 810
 811         ret = ops->set_coalesce_usecs(priv->ae_handle,
 812                                       ec->rx_coalesce_usecs);
 813         if (ret)
 814                 return ret;
 815
 816         ret = ops->set_coalesce_frames(
 817                 priv->ae_handle,
 818                 ec->rx_max_coalesced_frames);
 819
 820         return ret;
 821 }
 822
 823 /**
 824  * hns_get_channels - get channel info.
 825  * @dev: net device
 826  * @ch: channel info.
 827  */
 828 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 829 {
 830         struct hns_nic_priv *priv = netdev_priv(net_dev);
 831
 832         ch->max_rx = priv->ae_handle->q_num;
 833         ch->max_tx = priv->ae_handle->q_num;
 834
 835         ch->rx_count = priv->ae_handle->q_num;
 836         ch->tx_count = priv->ae_handle->q_num;
 837 }
 838
 839 /**
 840  * get_ethtool_stats - get detail statistics.
 841  * @dev: net device
 842  * @stats: statistics info.
 843  * @data: statistics data.
 844  */
 845 void hns_get_ethtool_stats(struct net_device *netdev,
 846                            struct ethtool_stats *stats, u64 *data)
 847 {
 848         u64 *p = data;
 849         struct hns_nic_priv *priv = netdev_priv(netdev);
 850         struct hnae_handle *h = priv->ae_handle;
 851         const struct rtnl_link_stats64 *net_stats;
 852         struct rtnl_link_stats64 temp;
 853
 854         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 855                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 856                 return;
 857         }
 858
 859         h->dev->ops->update_stats(h, &netdev->stats);
 860
 861         net_stats = dev_get_stats(netdev, &temp);
 862
 863         /* get netdev statistics */
 864         p[0] = net_stats->rx_packets;
 865         p[1] = net_stats->tx_packets;
 866         p[2] = net_stats->rx_bytes;
 867         p[3] = net_stats->tx_bytes;
 868         p[4] = net_stats->rx_errors;
 869         p[5] = net_stats->tx_errors;
 870         p[6] = net_stats->rx_dropped;
 871         p[7] = net_stats->tx_dropped;
 872         p[8] = net_stats->multicast;
 873         p[9] = net_stats->collisions;
 874         p[10] = net_stats->rx_over_errors;
 875         p[11] = net_stats->rx_crc_errors;
 876         p[12] = net_stats->rx_frame_errors;
 877         p[13] = net_stats->rx_fifo_errors;
 878         p[14] = net_stats->rx_missed_errors;
 879         p[15] = net_stats->tx_aborted_errors;
 880         p[16] = net_stats->tx_carrier_errors;
 881         p[17] = net_stats->tx_fifo_errors;
 882         p[18] = net_stats->tx_heartbeat_errors;
 883         p[19] = net_stats->rx_length_errors;
 884         p[20] = net_stats->tx_window_errors;
 885         p[21] = net_stats->rx_compressed;
 886         p[22] = net_stats->tx_compressed;
 887
 888         p[23] = netdev->rx_dropped.counter;
 889         p[24] = netdev->tx_dropped.counter;
 890
 891         p[25] = priv->tx_timeout_count;
 892
 893         /* get driver statistics */
 894         h->dev->ops->get_stats(h, &p[26]);
 895 }
 896
 897 /**
 898  * get_strings: Return a set of strings that describe the requested objects
 899  * @dev: net device
 900  * @stats: string set ID.
 901  * @data: objects data.
 902  */
 903 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 904 {
 905         struct hns_nic_priv *priv = netdev_priv(netdev);
 906         struct hnae_handle *h = priv->ae_handle;
 907         char *buff = (char *)data;
 908
 909         if (!h->dev->ops->get_strings) {
 910                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 911                 return;
 912         }
 913
 914         if (stringset == ETH_SS_TEST) {
 915                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 916                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 917                                ETH_GSTRING_LEN);
 918                         buff += ETH_GSTRING_LEN;
 919                 }
 920                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 921                        ETH_GSTRING_LEN);
 922                 buff += ETH_GSTRING_LEN;
 923                 if ((netdev->phydev) && (!netdev->phydev->is_c45))
 924                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 925                                ETH_GSTRING_LEN);
 926
 927         } else {
 928                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 929                 buff = buff + ETH_GSTRING_LEN;
 930                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 931                 buff = buff + ETH_GSTRING_LEN;
 932                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 933                 buff = buff + ETH_GSTRING_LEN;
 934                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 935                 buff = buff + ETH_GSTRING_LEN;
 936                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 937                 buff = buff + ETH_GSTRING_LEN;
 938                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 939                 buff = buff + ETH_GSTRING_LEN;
 940                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 941                 buff = buff + ETH_GSTRING_LEN;
 942                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 943                 buff = buff + ETH_GSTRING_LEN;
 944                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 945                 buff = buff + ETH_GSTRING_LEN;
 946                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 947                 buff = buff + ETH_GSTRING_LEN;
 948                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 949                 buff = buff + ETH_GSTRING_LEN;
 950                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 951                 buff = buff + ETH_GSTRING_LEN;
 952                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 953                 buff = buff + ETH_GSTRING_LEN;
 954                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 955                 buff = buff + ETH_GSTRING_LEN;
 956                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 957                 buff = buff + ETH_GSTRING_LEN;
 958                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 959                 buff = buff + ETH_GSTRING_LEN;
 960                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 961                 buff = buff + ETH_GSTRING_LEN;
 962                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 963                 buff = buff + ETH_GSTRING_LEN;
 964                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 965                 buff = buff + ETH_GSTRING_LEN;
 966                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 967                 buff = buff + ETH_GSTRING_LEN;
 968                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 969                 buff = buff + ETH_GSTRING_LEN;
 970                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 971                 buff = buff + ETH_GSTRING_LEN;
 972                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 973                 buff = buff + ETH_GSTRING_LEN;
 974                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 975                 buff = buff + ETH_GSTRING_LEN;
 976                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 977                 buff = buff + ETH_GSTRING_LEN;
 978
 979                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 980                 buff = buff + ETH_GSTRING_LEN;
 981
 982                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
 983         }
 984 }
 985
 986 /**
 987  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
 988  * @dev: net device
 989  * @stringset: string set index, 0: self test string; 1: statistics string.
 990  *
 991  * Return string set count.
 992  */
 993 int hns_get_sset_count(struct net_device *netdev, int stringset)
 994 {
 995         struct hns_nic_priv *priv = netdev_priv(netdev);
 996         struct hnae_handle *h = priv->ae_handle;
 997         struct hnae_ae_ops *ops = h->dev->ops;
 998
 999         if (!ops->get_sset_count) {
1000                 netdev_err(netdev, "get_sset_count is null!\n");
1001                 return -EOPNOTSUPP;
1002         }
1003         if (stringset == ETH_SS_TEST) {
1004                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
1005
1006                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
1007                         cnt--;
1008
1009                 if ((!netdev->phydev) || (netdev->phydev->is_c45))
1010                         cnt--;
1011
1012                 return cnt;
1013         } else {
1014                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1015         }
1016 }
1017
1018 /**
1019  * hns_phy_led_set - set phy LED status.
1020  * @dev: net device
1021  * @value: LED state.
1022  *
1023  * Return 0 on success, negative on failure.
1024  */
1025 int hns_phy_led_set(struct net_device *netdev, int value)
1026 {
1027         int retval;
1028         struct phy_device *phy_dev = netdev->phydev;
1029
1030         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1031         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1032         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1033         if (retval) {
1034                 netdev_err(netdev, "mdiobus_write fail !\n");
1035                 return retval;
1036         }
1037         return 0;
1038 }
1039
1040 /**
1041  * nic_set_phys_id - set phy identify LED.
1042  * @dev: net device
1043  * @state: LED state.
1044  *
1045  * Return 0 on success, negative on failure.
1046  */
1047 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1048 {
1049         struct hns_nic_priv *priv = netdev_priv(netdev);
1050         struct hnae_handle *h = priv->ae_handle;
1051         struct phy_device *phy_dev = netdev->phydev;
1052         int ret;
1053
1054         if (phy_dev)
1055                 switch (state) {
1056                 case ETHTOOL_ID_ACTIVE:
1057                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1058                                         HNS_PHY_PAGE_LED);
1059                         if (ret)
1060                                 return ret;
1061
1062                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1063
1064                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1065                                         HNS_PHY_PAGE_COPPER);
1066                         if (ret)
1067                                 return ret;
1068                         return 2;
1069                 case ETHTOOL_ID_ON:
1070                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1071                         if (ret)
1072                                 return ret;
1073                         break;
1074                 case ETHTOOL_ID_OFF:
1075                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1076                         if (ret)
1077                                 return ret;
1078                         break;
1079                 case ETHTOOL_ID_INACTIVE:
1080                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1081                                         HNS_PHY_PAGE_LED);
1082                         if (ret)
1083                                 return ret;
1084
1085                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1086                                         priv->phy_led_val);
1087                         if (ret)
1088                                 return ret;
1089
1090                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1091                                         HNS_PHY_PAGE_COPPER);
1092                         if (ret)
1093                                 return ret;
1094                         break;
1095                 default:
1096                         return -EINVAL;
1097                 }
1098         else
1099                 switch (state) {
1100                 case ETHTOOL_ID_ACTIVE:
1101                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1102                 case ETHTOOL_ID_ON:
1103                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1104                 case ETHTOOL_ID_OFF:
1105                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1106                 case ETHTOOL_ID_INACTIVE:
1107                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1108                 default:
1109                         return -EINVAL;
1110                 }
1111
1112         return 0;
1113 }
1114
1115 /**
1116  * hns_get_regs - get net device register
1117  * @dev: net device
1118  * @cmd: ethtool cmd
1119  * @date: register data
1120  */
1121 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1122                   void *data)
1123 {
1124         struct hns_nic_priv *priv = netdev_priv(net_dev);
1125         struct hnae_ae_ops *ops;
1126
1127         ops = priv->ae_handle->dev->ops;
1128
1129         cmd->version = HNS_CHIP_VERSION;
1130         if (!ops->get_regs) {
1131                 netdev_err(net_dev, "ops->get_regs is null!\n");
1132                 return;
1133         }
1134         ops->get_regs(priv->ae_handle, data);
1135 }
1136
1137 /**
1138  * nic_get_regs_len - get total register len.
1139  * @dev: net device
1140  *
1141  * Return total register len.
1142  */
1143 static int hns_get_regs_len(struct net_device *net_dev)
1144 {
1145         u32 reg_num;
1146         struct hns_nic_priv *priv = netdev_priv(net_dev);
1147         struct hnae_ae_ops *ops;
1148
1149         ops = priv->ae_handle->dev->ops;
1150         if (!ops->get_regs_len) {
1151                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1152                 return -EOPNOTSUPP;
1153         }
1154
1155         reg_num = ops->get_regs_len(priv->ae_handle);
1156         if (reg_num > 0)
1157                 return reg_num * sizeof(u32);
1158         else
1159                 return reg_num; /* error code */
1160 }
1161
1162 /**
1163  * hns_nic_nway_reset - nway reset
1164  * @dev: net device
1165  *
1166  * Return 0 on success, negative on failure
1167  */
1168 static int hns_nic_nway_reset(struct net_device *netdev)
1169 {
1170         int ret = 0;
1171         struct phy_device *phy = netdev->phydev;
1172
1173         if (netif_running(netdev)) {
1174                 if (phy)
1175                         ret = genphy_restart_aneg(phy);
1176         }
1177
1178         return ret;
1179 }
1180
1181 static u32
1182 hns_get_rss_key_size(struct net_device *netdev)
1183 {
1184         struct hns_nic_priv *priv = netdev_priv(netdev);
1185         struct hnae_ae_ops *ops;
1186
1187         if (AE_IS_VER1(priv->enet_ver)) {
1188                 netdev_err(netdev,
1189                            "RSS feature is not supported on this hardware\n");
1190                 return 0;
1191         }
1192
1193         ops = priv->ae_handle->dev->ops;
1194         return ops->get_rss_key_size(priv->ae_handle);
1195 }
1196
1197 static u32
1198 hns_get_rss_indir_size(struct net_device *netdev)
1199 {
1200         struct hns_nic_priv *priv = netdev_priv(netdev);
1201         struct hnae_ae_ops *ops;
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 0;
1207         }
1208
1209         ops = priv->ae_handle->dev->ops;
1210         return ops->get_rss_indir_size(priv->ae_handle);
1211 }
1212
1213 static int
1214 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1215 {
1216         struct hns_nic_priv *priv = netdev_priv(netdev);
1217         struct hnae_ae_ops *ops;
1218
1219         if (AE_IS_VER1(priv->enet_ver)) {
1220                 netdev_err(netdev,
1221                            "RSS feature is not supported on this hardware\n");
1222                 return -EOPNOTSUPP;
1223         }
1224
1225         ops = priv->ae_handle->dev->ops;
1226
1227         if (!indir)
1228                 return 0;
1229
1230         return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1231 }
1232
1233 static int
1234 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1235             const u8 hfunc)
1236 {
1237         struct hns_nic_priv *priv = netdev_priv(netdev);
1238         struct hnae_ae_ops *ops;
1239
1240         if (AE_IS_VER1(priv->enet_ver)) {
1241                 netdev_err(netdev,
1242                            "RSS feature is not supported on this hardware\n");
1243                 return -EOPNOTSUPP;
1244         }
1245
1246         ops = priv->ae_handle->dev->ops;
1247
1248         /* currently hfunc can only be Toeplitz hash */
1249         if (key ||
1250             (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1251                 return -EOPNOTSUPP;
1252         if (!indir)
1253                 return 0;
1254
1255         return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1256 }
1257
1258 static int hns_get_rxnfc(struct net_device *netdev,
1259                          struct ethtool_rxnfc *cmd,
1260                          u32 *rule_locs)
1261 {
1262         struct hns_nic_priv *priv = netdev_priv(netdev);
1263
1264         switch (cmd->cmd) {
1265         case ETHTOOL_GRXRINGS:
1266                 cmd->data = priv->ae_handle->q_num;
1267                 break;
1268         default:
1269                 return -EOPNOTSUPP;
1270         }
1271
1272         return 0;
1273 }
1274
1275 static const struct ethtool_ops hns_ethtool_ops = {
1276         .get_drvinfo = hns_nic_get_drvinfo,
1277         .get_link  = hns_nic_get_link,
1278         .get_ringparam = hns_get_ringparam,
1279         .get_pauseparam = hns_get_pauseparam,
1280         .set_pauseparam = hns_set_pauseparam,
1281         .get_coalesce = hns_get_coalesce,
1282         .set_coalesce = hns_set_coalesce,
1283         .get_channels = hns_get_channels,
1284         .self_test = hns_nic_self_test,
1285         .get_strings = hns_get_strings,
1286         .get_sset_count = hns_get_sset_count,
1287         .get_ethtool_stats = hns_get_ethtool_stats,
1288         .set_phys_id = hns_set_phys_id,
1289         .get_regs_len = hns_get_regs_len,
1290         .get_regs = hns_get_regs,
1291         .nway_reset = hns_nic_nway_reset,
1292         .get_rxfh_key_size = hns_get_rss_key_size,
1293         .get_rxfh_indir_size = hns_get_rss_indir_size,
1294         .get_rxfh = hns_get_rss,
1295         .set_rxfh = hns_set_rss,
1296         .get_rxnfc = hns_get_rxnfc,
1297         .get_link_ksettings  = hns_nic_get_link_ksettings,
1298         .set_link_ksettings  = hns_nic_set_link_ksettings,
1299 };
1300
1301 void hns_ethtool_set_ops(struct net_device *ndev)
1302 {
1303         ndev->ethtool_ops = &hns_ethtool_ops;
1304 }