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