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.speed = 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
 292                 /* Powerup Fiber */
 293                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 1);
 294                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 295                 val &= ~PHY_POWER_DOWN;
 296                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 297
 298                 /* Enable Phy Loopback */
 299                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 300                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 301                 val |= PHY_LOOP_BACK;
 302                 val &= ~PHY_POWER_DOWN;
 303                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 304         } else {
 305                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 306                 phy_write(phy_dev, 1, 0x400);
 307                 phy_write(phy_dev, 7, 0x200);
 308
 309                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 1);
 310                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 311                 val |= PHY_POWER_DOWN;
 312                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 313
 314                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 315                 phy_write(phy_dev, 9, 0xF00);
 316
 317                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 318                 val &= ~PHY_LOOP_BACK;
 319                 val |= PHY_POWER_DOWN;
 320                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 321         }
 322         return 0;
 323 }
 324
 325 static int __lb_setup(struct net_device *ndev,
 326                       enum hnae_loop loop)
 327 {
 328         int ret = 0;
 329         struct hns_nic_priv *priv = netdev_priv(ndev);
 330         struct phy_device *phy_dev = ndev->phydev;
 331         struct hnae_handle *h = priv->ae_handle;
 332
 333         switch (loop) {
 334         case MAC_INTERNALLOOP_PHY:
 335                 if ((phy_dev) && (!phy_dev->is_c45)) {
 336                         ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 337                         ret |= h->dev->ops->set_loopback(h, loop, 0x1);
 338                 }
 339                 break;
 340         case MAC_INTERNALLOOP_MAC:
 341                 if ((h->dev->ops->set_loopback) &&
 342                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 343                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 344                 break;
 345         case MAC_INTERNALLOOP_SERDES:
 346                 if (h->dev->ops->set_loopback)
 347                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 348                 break;
 349         case MAC_LOOP_NONE:
 350                 if ((phy_dev) && (!phy_dev->is_c45))
 351                         ret |= hns_nic_config_phy_loopback(phy_dev, 0x0);
 352
 353                 if (h->dev->ops->set_loopback) {
 354                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 355                                 ret |= h->dev->ops->set_loopback(h,
 356                                         MAC_INTERNALLOOP_MAC, 0x0);
 357
 358                         ret |= h->dev->ops->set_loopback(h,
 359                                 MAC_INTERNALLOOP_SERDES, 0x0);
 360                 }
 361                 break;
 362         default:
 363                 ret = -EINVAL;
 364                 break;
 365         }
 366
 367         if (!ret) {
 368                 if (loop == MAC_LOOP_NONE)
 369                         h->dev->ops->set_promisc_mode(
 370                                 h, ndev->flags & IFF_PROMISC);
 371                 else
 372                         h->dev->ops->set_promisc_mode(h, 1);
 373         }
 374         return ret;
 375 }
 376
 377 static int __lb_up(struct net_device *ndev,
 378                    enum hnae_loop loop_mode)
 379 {
 380         struct hns_nic_priv *priv = netdev_priv(ndev);
 381         struct hnae_handle *h = priv->ae_handle;
 382         int speed, duplex;
 383         int ret;
 384
 385         hns_nic_net_reset(ndev);
 386
 387         ret = __lb_setup(ndev, loop_mode);
 388         if (ret)
 389                 return ret;
 390
 391         msleep(200);
 392
 393         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 394         if (ret)
 395                 return ret;
 396
 397         /* link adjust duplex*/
 398         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 399                 speed = 1000;
 400         else
 401                 speed = 10000;
 402         duplex = 1;
 403
 404         h->dev->ops->adjust_link(h, speed, duplex);
 405
 406         return 0;
 407 }
 408
 409 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 410                                struct sk_buff *skb)
 411 {
 412         struct net_device *ndev;
 413         struct hns_nic_priv *priv;
 414         struct hnae_ring *ring;
 415         struct netdev_queue *dev_queue;
 416         struct sk_buff *new_skb;
 417         unsigned int frame_size;
 418         int check_ok;
 419         u32 i;
 420         char buff[33]; /* 32B data and the last character '\0' */
 421
 422         if (!ring_data) { /* Just for doing create frame*/
 423                 ndev = skb->dev;
 424                 priv = netdev_priv(ndev);
 425
 426                 frame_size = skb->len;
 427                 memset(skb->data, 0xFF, frame_size);
 428                 if ((!AE_IS_VER1(priv->enet_ver)) &&
 429                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
 430                         memcpy(skb->data, ndev->dev_addr, 6);
 431                         skb->data[5] += 0x1f;
 432                 }
 433
 434                 frame_size &= ~1ul;
 435                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 436                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 437                        frame_size / 2 - 11);
 438                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 439                        frame_size / 2 - 13);
 440                 return;
 441         }
 442
 443         ring = ring_data->ring;
 444         ndev = ring_data->napi.dev;
 445         if (is_tx_ring(ring)) { /* for tx queue reset*/
 446                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 447                 netdev_tx_reset_queue(dev_queue);
 448                 return;
 449         }
 450
 451         frame_size = skb->len;
 452         frame_size &= ~1ul;
 453         /* for mutl buffer*/
 454         new_skb = skb_copy(skb, GFP_ATOMIC);
 455         dev_kfree_skb_any(skb);
 456         skb = new_skb;
 457
 458         check_ok = 0;
 459         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 460                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 461                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 462                         check_ok = 1;
 463         }
 464
 465         if (check_ok) {
 466                 ndev->stats.rx_packets++;
 467                 ndev->stats.rx_bytes += skb->len;
 468         } else {
 469                 ndev->stats.rx_frame_errors++;
 470                 for (i = 0; i < skb->len; i++) {
 471                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 472                                  "%02x", *(skb->data + i));
 473                         if ((i % 16 == 15) || (i == skb->len - 1))
 474                                 pr_info("%s\n", buff);
 475                 }
 476         }
 477         dev_kfree_skb_any(skb);
 478 }
 479
 480 static int __lb_clean_rings(struct hns_nic_priv *priv,
 481                             int ringid0, int ringid1, int budget)
 482 {
 483         int i, ret;
 484         struct hns_nic_ring_data *ring_data;
 485         struct net_device *ndev = priv->netdev;
 486         unsigned long rx_packets = ndev->stats.rx_packets;
 487         unsigned long rx_bytes = ndev->stats.rx_bytes;
 488         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 489
 490         for (i = ringid0; i <= ringid1; i++) {
 491                 ring_data = &priv->ring_data[i];
 492                 (void)ring_data->poll_one(ring_data,
 493                                           budget, __lb_other_process);
 494         }
 495         ret = (int)(ndev->stats.rx_packets - rx_packets);
 496         ndev->stats.rx_packets = rx_packets;
 497         ndev->stats.rx_bytes = rx_bytes;
 498         ndev->stats.rx_frame_errors = rx_frame_errors;
 499         return ret;
 500 }
 501
 502 /**
 503  * nic_run_loopback_test -  run loopback test
 504  * @nic_dev: net device
 505  * @loopback_type: loopback type
 506  */
 507 static int __lb_run_test(struct net_device *ndev,
 508                          enum hnae_loop loop_mode)
 509 {
 510 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 511 #define NIC_LB_TEST_RING_ID 0
 512 #define NIC_LB_TEST_FRAME_SIZE 128
 513 /* nic loopback test err  */
 514 #define NIC_LB_TEST_NO_MEM_ERR 1
 515 #define NIC_LB_TEST_TX_CNT_ERR 2
 516 #define NIC_LB_TEST_RX_CNT_ERR 3
 517 #define NIC_LB_TEST_RX_PKG_ERR 4
 518         struct hns_nic_priv *priv = netdev_priv(ndev);
 519         struct hnae_handle *h = priv->ae_handle;
 520         int i, j, lc, good_cnt, ret_val = 0;
 521         unsigned int size;
 522         netdev_tx_t tx_ret_val;
 523         struct sk_buff *skb;
 524
 525         size = NIC_LB_TEST_FRAME_SIZE;
 526         /* allocate test skb */
 527         skb = alloc_skb(size, GFP_KERNEL);
 528         if (!skb)
 529                 return NIC_LB_TEST_NO_MEM_ERR;
 530
 531         /* place data into test skb */
 532         (void)skb_put(skb, size);
 533         skb->dev = ndev;
 534         __lb_other_process(NULL, skb);
 535         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 536
 537         lc = 1;
 538         for (j = 0; j < lc; j++) {
 539                 /* reset count of good packets */
 540                 good_cnt = 0;
 541                 /* place 64 packets on the transmit queue*/
 542                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 543                         (void)skb_get(skb);
 544
 545                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 546                                 ndev, skb,
 547                                 &tx_ring_data(priv, skb->queue_mapping));
 548                         if (tx_ret_val == NETDEV_TX_OK)
 549                                 good_cnt++;
 550                         else
 551                                 break;
 552                 }
 553                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 554                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 555                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 556                                 hns_nic_test_strs[loop_mode], good_cnt,
 557                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 558                         break;
 559                 }
 560
 561                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 562                 msleep(100);
 563
 564                 good_cnt = __lb_clean_rings(priv,
 565                                             h->q_num, h->q_num * 2 - 1,
 566                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 567                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 568                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 569                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 570                                 hns_nic_test_strs[loop_mode], good_cnt,
 571                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 572                         break;
 573                 }
 574                 (void)__lb_clean_rings(priv,
 575                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 576                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 577         }
 578
 579         /* free the original skb */
 580         kfree_skb(skb);
 581
 582         return ret_val;
 583 }
 584
 585 static int __lb_down(struct net_device *ndev)
 586 {
 587         struct hns_nic_priv *priv = netdev_priv(ndev);
 588         struct hnae_handle *h = priv->ae_handle;
 589         int ret;
 590
 591         ret = __lb_setup(ndev, MAC_LOOP_NONE);
 592         if (ret)
 593                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 594                            __func__,
 595                            ret);
 596
 597         if (h->dev->ops->stop)
 598                 h->dev->ops->stop(h);
 599
 600         usleep_range(10000, 20000);
 601         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
 602
 603         hns_nic_net_reset(ndev);
 604
 605         return 0;
 606 }
 607
 608 /**
 609  * hns_nic_self_test - self test
 610  * @dev: net device
 611  * @eth_test: test cmd
 612  * @data: test result
 613  */
 614 static void hns_nic_self_test(struct net_device *ndev,
 615                               struct ethtool_test *eth_test, u64 *data)
 616 {
 617         struct hns_nic_priv *priv = netdev_priv(ndev);
 618         bool if_running = netif_running(ndev);
 619 #define SELF_TEST_TPYE_NUM 3
 620         int st_param[SELF_TEST_TPYE_NUM][2];
 621         int i;
 622         int test_index = 0;
 623
 624         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
 625         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
 626         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
 627         st_param[1][1] = 1; /*serdes must exist*/
 628         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
 629         st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
 630                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
 631
 632         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 633                 set_bit(NIC_STATE_TESTING, &priv->state);
 634
 635                 if (if_running)
 636                         (void)dev_close(ndev);
 637
 638                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
 639                         if (!st_param[i][1])
 640                                 continue;       /* NEXT testing */
 641
 642                         data[test_index] = __lb_up(ndev,
 643                                 (enum hnae_loop)st_param[i][0]);
 644                         if (!data[test_index]) {
 645                                 data[test_index] = __lb_run_test(
 646                                         ndev, (enum hnae_loop)st_param[i][0]);
 647                                 (void)__lb_down(ndev);
 648                         }
 649
 650                         if (data[test_index])
 651                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 652
 653                         test_index++;
 654                 }
 655
 656                 hns_nic_net_reset(priv->netdev);
 657
 658                 clear_bit(NIC_STATE_TESTING, &priv->state);
 659
 660                 if (if_running)
 661                         (void)dev_open(ndev);
 662         }
 663         /* Online tests aren't run; pass by default */
 664
 665         (void)msleep_interruptible(4 * 1000);
 666 }
 667
 668 /**
 669  * hns_nic_get_drvinfo - get net driver info
 670  * @dev: net device
 671  * @drvinfo: driver info
 672  */
 673 static void hns_nic_get_drvinfo(struct net_device *net_dev,
 674                                 struct ethtool_drvinfo *drvinfo)
 675 {
 676         struct hns_nic_priv *priv = netdev_priv(net_dev);
 677
 678         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 679                 sizeof(drvinfo->version));
 680         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 681
 682         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 683         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 684
 685         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 686                 sizeof(drvinfo->bus_info));
 687         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 688
 689         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 690         drvinfo->eedump_len = 0;
 691 }
 692
 693 /**
 694  * hns_get_ringparam - get ring parameter
 695  * @dev: net device
 696  * @param: ethtool parameter
 697  */
 698 void hns_get_ringparam(struct net_device *net_dev,
 699                        struct ethtool_ringparam *param)
 700 {
 701         struct hns_nic_priv *priv = netdev_priv(net_dev);
 702         struct hnae_ae_ops *ops;
 703         struct hnae_queue *queue;
 704         u32 uplimit = 0;
 705
 706         queue = priv->ae_handle->qs[0];
 707         ops = priv->ae_handle->dev->ops;
 708
 709         if (ops->get_ring_bdnum_limit)
 710                 ops->get_ring_bdnum_limit(queue, &uplimit);
 711
 712         param->rx_max_pending = uplimit;
 713         param->tx_max_pending = uplimit;
 714         param->rx_pending = queue->rx_ring.desc_num;
 715         param->tx_pending = queue->tx_ring.desc_num;
 716 }
 717
 718 /**
 719  * hns_get_pauseparam - get pause parameter
 720  * @dev: net device
 721  * @param: pause parameter
 722  */
 723 static void hns_get_pauseparam(struct net_device *net_dev,
 724                                struct ethtool_pauseparam *param)
 725 {
 726         struct hns_nic_priv *priv = netdev_priv(net_dev);
 727         struct hnae_ae_ops *ops;
 728
 729         ops = priv->ae_handle->dev->ops;
 730
 731         if (ops->get_pauseparam)
 732                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 733                                             &param->rx_pause, &param->tx_pause);
 734 }
 735
 736 /**
 737  * hns_set_pauseparam - set pause parameter
 738  * @dev: net device
 739  * @param: pause parameter
 740  *
 741  * Return 0 on success, negative on failure
 742  */
 743 static int hns_set_pauseparam(struct net_device *net_dev,
 744                               struct ethtool_pauseparam *param)
 745 {
 746         struct hns_nic_priv *priv = netdev_priv(net_dev);
 747         struct hnae_handle *h;
 748         struct hnae_ae_ops *ops;
 749
 750         h = priv->ae_handle;
 751         ops = h->dev->ops;
 752
 753         if (!ops->set_pauseparam)
 754                 return -ESRCH;
 755
 756         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 757                                    param->rx_pause, param->tx_pause);
 758 }
 759
 760 /**
 761  * hns_get_coalesce - get coalesce info.
 762  * @dev: net device
 763  * @ec: coalesce info.
 764  *
 765  * Return 0 on success, negative on failure.
 766  */
 767 static int hns_get_coalesce(struct net_device *net_dev,
 768                             struct ethtool_coalesce *ec)
 769 {
 770         struct hns_nic_priv *priv = netdev_priv(net_dev);
 771         struct hnae_ae_ops *ops;
 772
 773         ops = priv->ae_handle->dev->ops;
 774
 775         ec->use_adaptive_rx_coalesce = 1;
 776         ec->use_adaptive_tx_coalesce = 1;
 777
 778         if ((!ops->get_coalesce_usecs) ||
 779             (!ops->get_max_coalesced_frames))
 780                 return -ESRCH;
 781
 782         ops->get_coalesce_usecs(priv->ae_handle,
 783                                         &ec->tx_coalesce_usecs,
 784                                         &ec->rx_coalesce_usecs);
 785
 786         ops->get_max_coalesced_frames(
 787                 priv->ae_handle,
 788                 &ec->tx_max_coalesced_frames,
 789                 &ec->rx_max_coalesced_frames);
 790
 791         ops->get_coalesce_range(priv->ae_handle,
 792                                 &ec->tx_max_coalesced_frames_low,
 793                                 &ec->rx_max_coalesced_frames_low,
 794                                 &ec->tx_max_coalesced_frames_high,
 795                                 &ec->rx_max_coalesced_frames_high,
 796                                 &ec->tx_coalesce_usecs_low,
 797                                 &ec->rx_coalesce_usecs_low,
 798                                 &ec->tx_coalesce_usecs_high,
 799                                 &ec->rx_coalesce_usecs_high);
 800
 801         return 0;
 802 }
 803
 804 /**
 805  * hns_set_coalesce - set coalesce info.
 806  * @dev: net device
 807  * @ec: coalesce info.
 808  *
 809  * Return 0 on success, negative on failure.
 810  */
 811 static int hns_set_coalesce(struct net_device *net_dev,
 812                             struct ethtool_coalesce *ec)
 813 {
 814         struct hns_nic_priv *priv = netdev_priv(net_dev);
 815         struct hnae_ae_ops *ops;
 816         int rc1, rc2;
 817
 818         ops = priv->ae_handle->dev->ops;
 819
 820         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 821                 return -EINVAL;
 822
 823         if ((!ops->set_coalesce_usecs) ||
 824             (!ops->set_coalesce_frames))
 825                 return -ESRCH;
 826
 827         rc1 = ops->set_coalesce_usecs(priv->ae_handle,
 828                                       ec->rx_coalesce_usecs);
 829
 830         rc2 = ops->set_coalesce_frames(priv->ae_handle,
 831                                        ec->tx_max_coalesced_frames,
 832                                        ec->rx_max_coalesced_frames);
 833
 834         if (rc1 || rc2)
 835                 return -EINVAL;
 836
 837         return 0;
 838 }
 839
 840 /**
 841  * hns_get_channels - get channel info.
 842  * @dev: net device
 843  * @ch: channel info.
 844  */
 845 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 846 {
 847         struct hns_nic_priv *priv = netdev_priv(net_dev);
 848
 849         ch->max_rx = priv->ae_handle->q_num;
 850         ch->max_tx = priv->ae_handle->q_num;
 851
 852         ch->rx_count = priv->ae_handle->q_num;
 853         ch->tx_count = priv->ae_handle->q_num;
 854 }
 855
 856 /**
 857  * get_ethtool_stats - get detail statistics.
 858  * @dev: net device
 859  * @stats: statistics info.
 860  * @data: statistics data.
 861  */
 862 void hns_get_ethtool_stats(struct net_device *netdev,
 863                            struct ethtool_stats *stats, u64 *data)
 864 {
 865         u64 *p = data;
 866         struct hns_nic_priv *priv = netdev_priv(netdev);
 867         struct hnae_handle *h = priv->ae_handle;
 868         const struct rtnl_link_stats64 *net_stats;
 869         struct rtnl_link_stats64 temp;
 870
 871         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 872                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 873                 return;
 874         }
 875
 876         h->dev->ops->update_stats(h, &netdev->stats);
 877
 878         net_stats = dev_get_stats(netdev, &temp);
 879
 880         /* get netdev statistics */
 881         p[0] = net_stats->rx_packets;
 882         p[1] = net_stats->tx_packets;
 883         p[2] = net_stats->rx_bytes;
 884         p[3] = net_stats->tx_bytes;
 885         p[4] = net_stats->rx_errors;
 886         p[5] = net_stats->tx_errors;
 887         p[6] = net_stats->rx_dropped;
 888         p[7] = net_stats->tx_dropped;
 889         p[8] = net_stats->multicast;
 890         p[9] = net_stats->collisions;
 891         p[10] = net_stats->rx_over_errors;
 892         p[11] = net_stats->rx_crc_errors;
 893         p[12] = net_stats->rx_frame_errors;
 894         p[13] = net_stats->rx_fifo_errors;
 895         p[14] = net_stats->rx_missed_errors;
 896         p[15] = net_stats->tx_aborted_errors;
 897         p[16] = net_stats->tx_carrier_errors;
 898         p[17] = net_stats->tx_fifo_errors;
 899         p[18] = net_stats->tx_heartbeat_errors;
 900         p[19] = net_stats->rx_length_errors;
 901         p[20] = net_stats->tx_window_errors;
 902         p[21] = net_stats->rx_compressed;
 903         p[22] = net_stats->tx_compressed;
 904
 905         p[23] = netdev->rx_dropped.counter;
 906         p[24] = netdev->tx_dropped.counter;
 907
 908         p[25] = priv->tx_timeout_count;
 909
 910         /* get driver statistics */
 911         h->dev->ops->get_stats(h, &p[26]);
 912 }
 913
 914 /**
 915  * get_strings: Return a set of strings that describe the requested objects
 916  * @dev: net device
 917  * @stats: string set ID.
 918  * @data: objects data.
 919  */
 920 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 921 {
 922         struct hns_nic_priv *priv = netdev_priv(netdev);
 923         struct hnae_handle *h = priv->ae_handle;
 924         char *buff = (char *)data;
 925
 926         if (!h->dev->ops->get_strings) {
 927                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 928                 return;
 929         }
 930
 931         if (stringset == ETH_SS_TEST) {
 932                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 933                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 934                                ETH_GSTRING_LEN);
 935                         buff += ETH_GSTRING_LEN;
 936                 }
 937                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 938                        ETH_GSTRING_LEN);
 939                 buff += ETH_GSTRING_LEN;
 940                 if ((netdev->phydev) && (!netdev->phydev->is_c45))
 941                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 942                                ETH_GSTRING_LEN);
 943
 944         } else {
 945                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 946                 buff = buff + ETH_GSTRING_LEN;
 947                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 948                 buff = buff + ETH_GSTRING_LEN;
 949                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 950                 buff = buff + ETH_GSTRING_LEN;
 951                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 952                 buff = buff + ETH_GSTRING_LEN;
 953                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 954                 buff = buff + ETH_GSTRING_LEN;
 955                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 956                 buff = buff + ETH_GSTRING_LEN;
 957                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 958                 buff = buff + ETH_GSTRING_LEN;
 959                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 960                 buff = buff + ETH_GSTRING_LEN;
 961                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 962                 buff = buff + ETH_GSTRING_LEN;
 963                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 964                 buff = buff + ETH_GSTRING_LEN;
 965                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 966                 buff = buff + ETH_GSTRING_LEN;
 967                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 968                 buff = buff + ETH_GSTRING_LEN;
 969                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 970                 buff = buff + ETH_GSTRING_LEN;
 971                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 972                 buff = buff + ETH_GSTRING_LEN;
 973                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 974                 buff = buff + ETH_GSTRING_LEN;
 975                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 976                 buff = buff + ETH_GSTRING_LEN;
 977                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 978                 buff = buff + ETH_GSTRING_LEN;
 979                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 980                 buff = buff + ETH_GSTRING_LEN;
 981                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 982                 buff = buff + ETH_GSTRING_LEN;
 983                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 984                 buff = buff + ETH_GSTRING_LEN;
 985                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 986                 buff = buff + ETH_GSTRING_LEN;
 987                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 988                 buff = buff + ETH_GSTRING_LEN;
 989                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 990                 buff = buff + ETH_GSTRING_LEN;
 991                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 992                 buff = buff + ETH_GSTRING_LEN;
 993                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 994                 buff = buff + ETH_GSTRING_LEN;
 995
 996                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 997                 buff = buff + ETH_GSTRING_LEN;
 998
 999                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
1000         }
1001 }
1002
1003 /**
1004  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
1005  * @dev: net device
1006  * @stringset: string set index, 0: self test string; 1: statistics string.
1007  *
1008  * Return string set count.
1009  */
1010 int hns_get_sset_count(struct net_device *netdev, int stringset)
1011 {
1012         struct hns_nic_priv *priv = netdev_priv(netdev);
1013         struct hnae_handle *h = priv->ae_handle;
1014         struct hnae_ae_ops *ops = h->dev->ops;
1015
1016         if (!ops->get_sset_count) {
1017                 netdev_err(netdev, "get_sset_count is null!\n");
1018                 return -EOPNOTSUPP;
1019         }
1020         if (stringset == ETH_SS_TEST) {
1021                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
1022
1023                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
1024                         cnt--;
1025
1026                 if ((!netdev->phydev) || (netdev->phydev->is_c45))
1027                         cnt--;
1028
1029                 return cnt;
1030         } else {
1031                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1032         }
1033 }
1034
1035 /**
1036  * hns_phy_led_set - set phy LED status.
1037  * @dev: net device
1038  * @value: LED state.
1039  *
1040  * Return 0 on success, negative on failure.
1041  */
1042 int hns_phy_led_set(struct net_device *netdev, int value)
1043 {
1044         int retval;
1045         struct phy_device *phy_dev = netdev->phydev;
1046
1047         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1048         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1049         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1050         if (retval) {
1051                 netdev_err(netdev, "mdiobus_write fail !\n");
1052                 return retval;
1053         }
1054         return 0;
1055 }
1056
1057 /**
1058  * nic_set_phys_id - set phy identify LED.
1059  * @dev: net device
1060  * @state: LED state.
1061  *
1062  * Return 0 on success, negative on failure.
1063  */
1064 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1065 {
1066         struct hns_nic_priv *priv = netdev_priv(netdev);
1067         struct hnae_handle *h = priv->ae_handle;
1068         struct phy_device *phy_dev = netdev->phydev;
1069         int ret;
1070
1071         if (phy_dev)
1072                 switch (state) {
1073                 case ETHTOOL_ID_ACTIVE:
1074                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1075                                         HNS_PHY_PAGE_LED);
1076                         if (ret)
1077                                 return ret;
1078
1079                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1080
1081                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1082                                         HNS_PHY_PAGE_COPPER);
1083                         if (ret)
1084                                 return ret;
1085                         return 2;
1086                 case ETHTOOL_ID_ON:
1087                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1088                         if (ret)
1089                                 return ret;
1090                         break;
1091                 case ETHTOOL_ID_OFF:
1092                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1093                         if (ret)
1094                                 return ret;
1095                         break;
1096                 case ETHTOOL_ID_INACTIVE:
1097                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1098                                         HNS_PHY_PAGE_LED);
1099                         if (ret)
1100                                 return ret;
1101
1102                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1103                                         priv->phy_led_val);
1104                         if (ret)
1105                                 return ret;
1106
1107                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1108                                         HNS_PHY_PAGE_COPPER);
1109                         if (ret)
1110                                 return ret;
1111                         break;
1112                 default:
1113                         return -EINVAL;
1114                 }
1115         else
1116                 switch (state) {
1117                 case ETHTOOL_ID_ACTIVE:
1118                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1119                 case ETHTOOL_ID_ON:
1120                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1121                 case ETHTOOL_ID_OFF:
1122                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1123                 case ETHTOOL_ID_INACTIVE:
1124                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1125                 default:
1126                         return -EINVAL;
1127                 }
1128
1129         return 0;
1130 }
1131
1132 /**
1133  * hns_get_regs - get net device register
1134  * @dev: net device
1135  * @cmd: ethtool cmd
1136  * @date: register data
1137  */
1138 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1139                   void *data)
1140 {
1141         struct hns_nic_priv *priv = netdev_priv(net_dev);
1142         struct hnae_ae_ops *ops;
1143
1144         ops = priv->ae_handle->dev->ops;
1145
1146         cmd->version = HNS_CHIP_VERSION;
1147         if (!ops->get_regs) {
1148                 netdev_err(net_dev, "ops->get_regs is null!\n");
1149                 return;
1150         }
1151         ops->get_regs(priv->ae_handle, data);
1152 }
1153
1154 /**
1155  * nic_get_regs_len - get total register len.
1156  * @dev: net device
1157  *
1158  * Return total register len.
1159  */
1160 static int hns_get_regs_len(struct net_device *net_dev)
1161 {
1162         u32 reg_num;
1163         struct hns_nic_priv *priv = netdev_priv(net_dev);
1164         struct hnae_ae_ops *ops;
1165
1166         ops = priv->ae_handle->dev->ops;
1167         if (!ops->get_regs_len) {
1168                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1169                 return -EOPNOTSUPP;
1170         }
1171
1172         reg_num = ops->get_regs_len(priv->ae_handle);
1173         if (reg_num > 0)
1174                 return reg_num * sizeof(u32);
1175         else
1176                 return reg_num; /* error code */
1177 }
1178
1179 /**
1180  * hns_nic_nway_reset - nway reset
1181  * @dev: net device
1182  *
1183  * Return 0 on success, negative on failure
1184  */
1185 static int hns_nic_nway_reset(struct net_device *netdev)
1186 {
1187         int ret = 0;
1188         struct phy_device *phy = netdev->phydev;
1189
1190         if (netif_running(netdev)) {
1191                 /* if autoneg is disabled, don't restart auto-negotiation */
1192                 if (phy && phy->autoneg == AUTONEG_ENABLE)
1193                         ret = genphy_restart_aneg(phy);
1194         }
1195
1196         return ret;
1197 }
1198
1199 static u32
1200 hns_get_rss_key_size(struct net_device *netdev)
1201 {
1202         struct hns_nic_priv *priv = netdev_priv(netdev);
1203         struct hnae_ae_ops *ops;
1204
1205         if (AE_IS_VER1(priv->enet_ver)) {
1206                 netdev_err(netdev,
1207                            "RSS feature is not supported on this hardware\n");
1208                 return 0;
1209         }
1210
1211         ops = priv->ae_handle->dev->ops;
1212         return ops->get_rss_key_size(priv->ae_handle);
1213 }
1214
1215 static u32
1216 hns_get_rss_indir_size(struct net_device *netdev)
1217 {
1218         struct hns_nic_priv *priv = netdev_priv(netdev);
1219         struct hnae_ae_ops *ops;
1220
1221         if (AE_IS_VER1(priv->enet_ver)) {
1222                 netdev_err(netdev,
1223                            "RSS feature is not supported on this hardware\n");
1224                 return 0;
1225         }
1226
1227         ops = priv->ae_handle->dev->ops;
1228         return ops->get_rss_indir_size(priv->ae_handle);
1229 }
1230
1231 static int
1232 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1233 {
1234         struct hns_nic_priv *priv = netdev_priv(netdev);
1235         struct hnae_ae_ops *ops;
1236
1237         if (AE_IS_VER1(priv->enet_ver)) {
1238                 netdev_err(netdev,
1239                            "RSS feature is not supported on this hardware\n");
1240                 return -EOPNOTSUPP;
1241         }
1242
1243         ops = priv->ae_handle->dev->ops;
1244
1245         if (!indir)
1246                 return 0;
1247
1248         return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1249 }
1250
1251 static int
1252 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1253             const u8 hfunc)
1254 {
1255         struct hns_nic_priv *priv = netdev_priv(netdev);
1256         struct hnae_ae_ops *ops;
1257
1258         if (AE_IS_VER1(priv->enet_ver)) {
1259                 netdev_err(netdev,
1260                            "RSS feature is not supported on this hardware\n");
1261                 return -EOPNOTSUPP;
1262         }
1263
1264         ops = priv->ae_handle->dev->ops;
1265
1266         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
1267                 netdev_err(netdev, "Invalid hfunc!\n");
1268                 return -EOPNOTSUPP;
1269         }
1270
1271         return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1272 }
1273
1274 static int hns_get_rxnfc(struct net_device *netdev,
1275                          struct ethtool_rxnfc *cmd,
1276                          u32 *rule_locs)
1277 {
1278         struct hns_nic_priv *priv = netdev_priv(netdev);
1279
1280         switch (cmd->cmd) {
1281         case ETHTOOL_GRXRINGS:
1282                 cmd->data = priv->ae_handle->q_num;
1283                 break;
1284         default:
1285                 return -EOPNOTSUPP;
1286         }
1287
1288         return 0;
1289 }
1290
1291 static const struct ethtool_ops hns_ethtool_ops = {
1292         .get_drvinfo = hns_nic_get_drvinfo,
1293         .get_link  = hns_nic_get_link,
1294         .get_ringparam = hns_get_ringparam,
1295         .get_pauseparam = hns_get_pauseparam,
1296         .set_pauseparam = hns_set_pauseparam,
1297         .get_coalesce = hns_get_coalesce,
1298         .set_coalesce = hns_set_coalesce,
1299         .get_channels = hns_get_channels,
1300         .self_test = hns_nic_self_test,
1301         .get_strings = hns_get_strings,
1302         .get_sset_count = hns_get_sset_count,
1303         .get_ethtool_stats = hns_get_ethtool_stats,
1304         .set_phys_id = hns_set_phys_id,
1305         .get_regs_len = hns_get_regs_len,
1306         .get_regs = hns_get_regs,
1307         .nway_reset = hns_nic_nway_reset,
1308         .get_rxfh_key_size = hns_get_rss_key_size,
1309         .get_rxfh_indir_size = hns_get_rss_indir_size,
1310         .get_rxfh = hns_get_rss,
1311         .set_rxfh = hns_set_rss,
1312         .get_rxnfc = hns_get_rxnfc,
1313         .get_link_ksettings  = hns_nic_get_link_ksettings,
1314         .set_link_ksettings  = hns_nic_set_link_ksettings,
1315 };
1316
1317 void hns_ethtool_set_ops(struct net_device *ndev)
1318 {
1319         ndev->ethtool_ops = &hns_ethtool_ops;
1320 }