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

   1 /*
   2  * Copyright (c) 2014-2015 Hisilicon Limited.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include <linux/etherdevice.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/module.h>
  13 #include <linux/platform_device.h>
  14 #include "hns_enet.h"
  15
  16 #define HNS_PHY_PAGE_MDIX       0
  17 #define HNS_PHY_PAGE_LED        3
  18 #define HNS_PHY_PAGE_COPPER     0
  19
  20 #define HNS_PHY_PAGE_REG        22      /* Page Selection Reg. */
  21 #define HNS_PHY_CSC_REG         16      /* Copper Specific Control Register */
  22 #define HNS_PHY_CSS_REG         17      /* Copper Specific Status Register */
  23 #define HNS_LED_FC_REG          16      /* LED Function Control Reg. */
  24 #define HNS_LED_PC_REG          17      /* LED Polarity Control Reg. */
  25
  26 #define HNS_LED_FORCE_ON        9
  27 #define HNS_LED_FORCE_OFF       8
  28
  29 #define HNS_CHIP_VERSION 660
  30 #define HNS_NET_STATS_CNT 26
  31
  32 #define PHY_MDIX_CTRL_S         (5)
  33 #define PHY_MDIX_CTRL_M         (3 << PHY_MDIX_CTRL_S)
  34
  35 #define PHY_MDIX_STATUS_B       (6)
  36 #define PHY_SPEED_DUP_RESOLVE_B (11)
  37
  38 /**
  39  *hns_nic_get_link - get current link status
  40  *@net_dev: net_device
  41  *retuen 0 - success , negative --fail
  42  */
  43 static u32 hns_nic_get_link(struct net_device *net_dev)
  44 {
  45         struct hns_nic_priv *priv = netdev_priv(net_dev);
  46         u32 link_stat = priv->link;
  47         struct hnae_handle *h;
  48
  49         h = priv->ae_handle;
  50
  51         if (net_dev->phydev) {
  52                 if (!genphy_read_status(net_dev->phydev))
  53                         link_stat = net_dev->phydev->link;
  54                 else
  55                         link_stat = 0;
  56         }
  57
  58         if (h->dev && h->dev->ops && h->dev->ops->get_status)
  59                 link_stat = link_stat && h->dev->ops->get_status(h);
  60         else
  61                 link_stat = 0;
  62
  63         return link_stat;
  64 }
  65
  66 static void hns_get_mdix_mode(struct net_device *net_dev,
  67                               struct ethtool_link_ksettings *cmd)
  68 {
  69         int mdix_ctrl, mdix, retval, is_resolved;
  70         struct phy_device *phy_dev = net_dev->phydev;
  71
  72         if (!phy_dev || !phy_dev->mdio.bus) {
  73                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  74                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
  75                 return;
  76         }
  77
  78         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
  79
  80         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
  81         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
  82
  83         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
  84         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
  85         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
  86
  87         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
  88
  89         switch (mdix_ctrl) {
  90         case 0x0:
  91                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
  92                 break;
  93         case 0x1:
  94                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
  95                 break;
  96         case 0x3:
  97                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
  98                 break;
  99         default:
 100                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 101                 break;
 102         }
 103
 104         if (!is_resolved)
 105                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 106         else if (mdix)
 107                 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
 108         else
 109                 cmd->base.eth_tp_mdix = ETH_TP_MDI;
 110 }
 111
 112 /**
 113  *hns_nic_get_link_ksettings - implement ethtool get link ksettings
 114  *@net_dev: net_device
 115  *@cmd: ethtool_link_ksettings
 116  *retuen 0 - success , negative --fail
 117  */
 118 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
 119                                       struct ethtool_link_ksettings *cmd)
 120 {
 121         struct hns_nic_priv *priv = netdev_priv(net_dev);
 122         struct hnae_handle *h;
 123         u32 link_stat;
 124         int ret;
 125         u8 duplex;
 126         u16 speed;
 127         u32 supported, advertising;
 128
 129         if (!priv || !priv->ae_handle)
 130                 return -ESRCH;
 131
 132         h = priv->ae_handle;
 133         if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
 134                 return -ESRCH;
 135
 136         ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
 137         if (ret < 0) {
 138                 netdev_err(net_dev, "%s get_info error!\n", __func__);
 139                 return -EINVAL;
 140         }
 141
 142         ethtool_convert_link_mode_to_legacy_u32(&supported,
 143                                                 cmd->link_modes.supported);
 144         ethtool_convert_link_mode_to_legacy_u32(&advertising,
 145                                                 cmd->link_modes.advertising);
 146
 147         /* When there is no phy, autoneg is off. */
 148         cmd->base.autoneg = false;
 149         cmd->base.cmd = speed;
 150         cmd->base.duplex = duplex;
 151
 152         if (net_dev->phydev)
 153                 (void)phy_ethtool_ksettings_get(net_dev->phydev, cmd);
 154
 155         link_stat = hns_nic_get_link(net_dev);
 156         if (!link_stat) {
 157                 cmd->base.speed = (u32)SPEED_UNKNOWN;
 158                 cmd->base.duplex = DUPLEX_UNKNOWN;
 159         }
 160
 161         if (cmd->base.autoneg)
 162                 advertising |= ADVERTISED_Autoneg;
 163
 164         supported |= h->if_support;
 165         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 166                 supported |= SUPPORTED_TP;
 167                 advertising |= ADVERTISED_1000baseT_Full;
 168         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 169                 supported |= SUPPORTED_FIBRE;
 170                 advertising |= ADVERTISED_10000baseKR_Full;
 171         }
 172
 173         switch (h->media_type) {
 174         case HNAE_MEDIA_TYPE_FIBER:
 175                 cmd->base.port = PORT_FIBRE;
 176                 break;
 177         case HNAE_MEDIA_TYPE_COPPER:
 178                 cmd->base.port = PORT_TP;
 179                 break;
 180         case HNAE_MEDIA_TYPE_UNKNOWN:
 181         default:
 182                 break;
 183         }
 184
 185         if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
 186                 supported |= SUPPORTED_Pause;
 187
 188         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 189                                                 supported);
 190         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 191                                                 advertising);
 192
 193         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
 194         hns_get_mdix_mode(net_dev, cmd);
 195
 196         return 0;
 197 }
 198
 199 /**
 200  *hns_nic_set_link_settings - implement ethtool set link ksettings
 201  *@net_dev: net_device
 202  *@cmd: ethtool_link_ksettings
 203  *retuen 0 - success , negative --fail
 204  */
 205 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
 206                                       const struct ethtool_link_ksettings *cmd)
 207 {
 208         struct hns_nic_priv *priv = netdev_priv(net_dev);
 209         struct hnae_handle *h;
 210         u32 speed;
 211
 212         if (!netif_running(net_dev))
 213                 return -ESRCH;
 214
 215         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
 216             !priv->ae_handle->dev->ops)
 217                 return -ENODEV;
 218
 219         h = priv->ae_handle;
 220         speed = cmd->base.speed;
 221
 222         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 223                 if (cmd->base.autoneg == AUTONEG_ENABLE ||
 224                     speed != SPEED_10000 ||
 225                     cmd->base.duplex != DUPLEX_FULL)
 226                         return -EINVAL;
 227         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 228                 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
 229                         return -EINVAL;
 230
 231                 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 232                         return -EINVAL;
 233                 if (net_dev->phydev)
 234                         return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
 235
 236                 if ((speed != SPEED_10 && speed != SPEED_100 &&
 237                      speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
 238                      cmd->base.duplex != DUPLEX_FULL))
 239                         return -EINVAL;
 240         } else {
 241                 netdev_err(net_dev, "Not supported!");
 242                 return -ENOTSUPP;
 243         }
 244
 245         if (h->dev->ops->adjust_link) {
 246                 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
 247                 return 0;
 248         }
 249
 250         netdev_err(net_dev, "Not supported!");
 251         return -ENOTSUPP;
 252 }
 253
 254 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
 255         "Mac    Loopback test",
 256         "Serdes Loopback test",
 257         "Phy    Loopback test"
 258 };
 259
 260 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
 261 {
 262 #define COPPER_CONTROL_REG 0
 263 #define PHY_POWER_DOWN BIT(11)
 264 #define PHY_LOOP_BACK BIT(14)
 265         u16 val = 0;
 266
 267         if (phy_dev->is_c45) /* c45 branch adding for XGE PHY */
 268                 return -ENOTSUPP;
 269
 270         if (en) {
 271                 /* speed : 1000M */
 272                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 2);
 273                 phy_write(phy_dev, 21, 0x1046);
 274
 275                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 276                 /* Force Master */
 277                 phy_write(phy_dev, 9, 0x1F00);
 278
 279                 /* Soft-reset */
 280                 phy_write(phy_dev, 0, 0x9140);
 281                 /* If autoneg disabled,two soft-reset operations */
 282                 phy_write(phy_dev, 0, 0x9140);
 283
 284                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 285
 286                 /* Default is 0x0400 */
 287                 phy_write(phy_dev, 1, 0x418);
 288
 289                 /* Force 1000M Link, Default is 0x0200 */
 290                 phy_write(phy_dev, 7, 0x20C);
 291                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 292
 293                 /* Enable PHY loop-back */
 294                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 295                 val |= PHY_LOOP_BACK;
 296                 val &= ~PHY_POWER_DOWN;
 297                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 298         } else {
 299                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 300                 phy_write(phy_dev, 1, 0x400);
 301                 phy_write(phy_dev, 7, 0x200);
 302                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 303                 phy_write(phy_dev, 9, 0xF00);
 304
 305                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 306                 val &= ~PHY_LOOP_BACK;
 307                 val |= PHY_POWER_DOWN;
 308                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 309         }
 310         return 0;
 311 }
 312
 313 static int __lb_setup(struct net_device *ndev,
 314                       enum hnae_loop loop)
 315 {
 316         int ret = 0;
 317         struct hns_nic_priv *priv = netdev_priv(ndev);
 318         struct phy_device *phy_dev = ndev->phydev;
 319         struct hnae_handle *h = priv->ae_handle;
 320
 321         switch (loop) {
 322         case MAC_INTERNALLOOP_PHY:
 323                 if ((phy_dev) && (!phy_dev->is_c45)) {
 324                         ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 325                         ret |= h->dev->ops->set_loopback(h, loop, 0x1);
 326                 }
 327                 break;
 328         case MAC_INTERNALLOOP_MAC:
 329                 if ((h->dev->ops->set_loopback) &&
 330                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 331                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 332                 break;
 333         case MAC_INTERNALLOOP_SERDES:
 334                 if (h->dev->ops->set_loopback)
 335                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 336                 break;
 337         case MAC_LOOP_NONE:
 338                 if ((phy_dev) && (!phy_dev->is_c45))
 339                         ret |= hns_nic_config_phy_loopback(phy_dev, 0x0);
 340
 341                 if (h->dev->ops->set_loopback) {
 342                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 343                                 ret |= h->dev->ops->set_loopback(h,
 344                                         MAC_INTERNALLOOP_MAC, 0x0);
 345
 346                         ret |= h->dev->ops->set_loopback(h,
 347                                 MAC_INTERNALLOOP_SERDES, 0x0);
 348                 }
 349                 break;
 350         default:
 351                 ret = -EINVAL;
 352                 break;
 353         }
 354
 355         if (!ret) {
 356                 if (loop == MAC_LOOP_NONE)
 357                         h->dev->ops->set_promisc_mode(
 358                                 h, ndev->flags & IFF_PROMISC);
 359                 else
 360                         h->dev->ops->set_promisc_mode(h, 1);
 361         }
 362         return ret;
 363 }
 364
 365 static int __lb_up(struct net_device *ndev,
 366                    enum hnae_loop loop_mode)
 367 {
 368         struct hns_nic_priv *priv = netdev_priv(ndev);
 369         struct hnae_handle *h = priv->ae_handle;
 370         int speed, duplex;
 371         int ret;
 372
 373         hns_nic_net_reset(ndev);
 374
 375         ret = __lb_setup(ndev, loop_mode);
 376         if (ret)
 377                 return ret;
 378
 379         msleep(200);
 380
 381         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 382         if (ret)
 383                 return ret;
 384
 385         /* link adjust duplex*/
 386         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 387                 speed = 1000;
 388         else
 389                 speed = 10000;
 390         duplex = 1;
 391
 392         h->dev->ops->adjust_link(h, speed, duplex);
 393
 394         return 0;
 395 }
 396
 397 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 398                                struct sk_buff *skb)
 399 {
 400         struct net_device *ndev;
 401         struct hns_nic_priv *priv;
 402         struct hnae_ring *ring;
 403         struct netdev_queue *dev_queue;
 404         struct sk_buff *new_skb;
 405         unsigned int frame_size;
 406         int check_ok;
 407         u32 i;
 408         char buff[33]; /* 32B data and the last character '\0' */
 409
 410         if (!ring_data) { /* Just for doing create frame*/
 411                 ndev = skb->dev;
 412                 priv = netdev_priv(ndev);
 413
 414                 frame_size = skb->len;
 415                 memset(skb->data, 0xFF, frame_size);
 416                 if ((!AE_IS_VER1(priv->enet_ver)) &&
 417                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
 418                         memcpy(skb->data, ndev->dev_addr, 6);
 419                         skb->data[5] += 0x1f;
 420                 }
 421
 422                 frame_size &= ~1ul;
 423                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 424                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 425                        frame_size / 2 - 11);
 426                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 427                        frame_size / 2 - 13);
 428                 return;
 429         }
 430
 431         ring = ring_data->ring;
 432         ndev = ring_data->napi.dev;
 433         if (is_tx_ring(ring)) { /* for tx queue reset*/
 434                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 435                 netdev_tx_reset_queue(dev_queue);
 436                 return;
 437         }
 438
 439         frame_size = skb->len;
 440         frame_size &= ~1ul;
 441         /* for mutl buffer*/
 442         new_skb = skb_copy(skb, GFP_ATOMIC);
 443         dev_kfree_skb_any(skb);
 444         skb = new_skb;
 445
 446         check_ok = 0;
 447         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 448                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 449                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 450                         check_ok = 1;
 451         }
 452
 453         if (check_ok) {
 454                 ndev->stats.rx_packets++;
 455                 ndev->stats.rx_bytes += skb->len;
 456         } else {
 457                 ndev->stats.rx_frame_errors++;
 458                 for (i = 0; i < skb->len; i++) {
 459                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 460                                  "%02x", *(skb->data + i));
 461                         if ((i % 16 == 15) || (i == skb->len - 1))
 462                                 pr_info("%s\n", buff);
 463                 }
 464         }
 465         dev_kfree_skb_any(skb);
 466 }
 467
 468 static int __lb_clean_rings(struct hns_nic_priv *priv,
 469                             int ringid0, int ringid1, int budget)
 470 {
 471         int i, ret;
 472         struct hns_nic_ring_data *ring_data;
 473         struct net_device *ndev = priv->netdev;
 474         unsigned long rx_packets = ndev->stats.rx_packets;
 475         unsigned long rx_bytes = ndev->stats.rx_bytes;
 476         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 477
 478         for (i = ringid0; i <= ringid1; i++) {
 479                 ring_data = &priv->ring_data[i];
 480                 (void)ring_data->poll_one(ring_data,
 481                                           budget, __lb_other_process);
 482         }
 483         ret = (int)(ndev->stats.rx_packets - rx_packets);
 484         ndev->stats.rx_packets = rx_packets;
 485         ndev->stats.rx_bytes = rx_bytes;
 486         ndev->stats.rx_frame_errors = rx_frame_errors;
 487         return ret;
 488 }
 489
 490 /**
 491  * nic_run_loopback_test -  run loopback test
 492  * @nic_dev: net device
 493  * @loopback_type: loopback type
 494  */
 495 static int __lb_run_test(struct net_device *ndev,
 496                          enum hnae_loop loop_mode)
 497 {
 498 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 499 #define NIC_LB_TEST_RING_ID 0
 500 #define NIC_LB_TEST_FRAME_SIZE 128
 501 /* nic loopback test err  */
 502 #define NIC_LB_TEST_NO_MEM_ERR 1
 503 #define NIC_LB_TEST_TX_CNT_ERR 2
 504 #define NIC_LB_TEST_RX_CNT_ERR 3
 505 #define NIC_LB_TEST_RX_PKG_ERR 4
 506         struct hns_nic_priv *priv = netdev_priv(ndev);
 507         struct hnae_handle *h = priv->ae_handle;
 508         int i, j, lc, good_cnt, ret_val = 0;
 509         unsigned int size;
 510         netdev_tx_t tx_ret_val;
 511         struct sk_buff *skb;
 512
 513         size = NIC_LB_TEST_FRAME_SIZE;
 514         /* allocate test skb */
 515         skb = alloc_skb(size, GFP_KERNEL);
 516         if (!skb)
 517                 return NIC_LB_TEST_NO_MEM_ERR;
 518
 519         /* place data into test skb */
 520         (void)skb_put(skb, size);
 521         skb->dev = ndev;
 522         __lb_other_process(NULL, skb);
 523         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 524
 525         lc = 1;
 526         for (j = 0; j < lc; j++) {
 527                 /* reset count of good packets */
 528                 good_cnt = 0;
 529                 /* place 64 packets on the transmit queue*/
 530                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 531                         (void)skb_get(skb);
 532
 533                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 534                                 ndev, skb,
 535                                 &tx_ring_data(priv, skb->queue_mapping));
 536                         if (tx_ret_val == NETDEV_TX_OK)
 537                                 good_cnt++;
 538                         else
 539                                 break;
 540                 }
 541                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 542                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 543                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 544                                 hns_nic_test_strs[loop_mode], good_cnt,
 545                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 546                         break;
 547                 }
 548
 549                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 550                 msleep(100);
 551
 552                 good_cnt = __lb_clean_rings(priv,
 553                                             h->q_num, h->q_num * 2 - 1,
 554                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 555                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 556                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 557                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 558                                 hns_nic_test_strs[loop_mode], good_cnt,
 559                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 560                         break;
 561                 }
 562                 (void)__lb_clean_rings(priv,
 563                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 564                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 565         }
 566
 567         /* free the original skb */
 568         kfree_skb(skb);
 569
 570         return ret_val;
 571 }
 572
 573 static int __lb_down(struct net_device *ndev)
 574 {
 575         struct hns_nic_priv *priv = netdev_priv(ndev);
 576         struct hnae_handle *h = priv->ae_handle;
 577         int ret;
 578
 579         ret = __lb_setup(ndev, MAC_LOOP_NONE);
 580         if (ret)
 581                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 582                            __func__,
 583                            ret);
 584
 585         if (h->dev->ops->stop)
 586                 h->dev->ops->stop(h);
 587
 588         usleep_range(10000, 20000);
 589         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
 590
 591         hns_nic_net_reset(ndev);
 592
 593         return 0;
 594 }
 595
 596 /**
 597  * hns_nic_self_test - self test
 598  * @dev: net device
 599  * @eth_test: test cmd
 600  * @data: test result
 601  */
 602 static void hns_nic_self_test(struct net_device *ndev,
 603                               struct ethtool_test *eth_test, u64 *data)
 604 {
 605         struct hns_nic_priv *priv = netdev_priv(ndev);
 606         bool if_running = netif_running(ndev);
 607 #define SELF_TEST_TPYE_NUM 3
 608         int st_param[SELF_TEST_TPYE_NUM][2];
 609         int i;
 610         int test_index = 0;
 611
 612         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
 613         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
 614         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
 615         st_param[1][1] = 1; /*serdes must exist*/
 616         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
 617         st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
 618                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
 619
 620         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 621                 set_bit(NIC_STATE_TESTING, &priv->state);
 622
 623                 if (if_running)
 624                         (void)dev_close(ndev);
 625
 626                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
 627                         if (!st_param[i][1])
 628                                 continue;       /* NEXT testing */
 629
 630                         data[test_index] = __lb_up(ndev,
 631                                 (enum hnae_loop)st_param[i][0]);
 632                         if (!data[test_index]) {
 633                                 data[test_index] = __lb_run_test(
 634                                         ndev, (enum hnae_loop)st_param[i][0]);
 635                                 (void)__lb_down(ndev);
 636                         }
 637
 638                         if (data[test_index])
 639                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 640
 641                         test_index++;
 642                 }
 643
 644                 hns_nic_net_reset(priv->netdev);
 645
 646                 clear_bit(NIC_STATE_TESTING, &priv->state);
 647
 648                 if (if_running)
 649                         (void)dev_open(ndev);
 650         }
 651         /* Online tests aren't run; pass by default */
 652
 653         (void)msleep_interruptible(4 * 1000);
 654 }
 655
 656 /**
 657  * hns_nic_get_drvinfo - get net driver info
 658  * @dev: net device
 659  * @drvinfo: driver info
 660  */
 661 static void hns_nic_get_drvinfo(struct net_device *net_dev,
 662                                 struct ethtool_drvinfo *drvinfo)
 663 {
 664         struct hns_nic_priv *priv = netdev_priv(net_dev);
 665
 666         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 667                 sizeof(drvinfo->version));
 668         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 669
 670         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 671         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 672
 673         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 674                 sizeof(drvinfo->bus_info));
 675         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 676
 677         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 678         drvinfo->eedump_len = 0;
 679 }
 680
 681 /**
 682  * hns_get_ringparam - get ring parameter
 683  * @dev: net device
 684  * @param: ethtool parameter
 685  */
 686 void hns_get_ringparam(struct net_device *net_dev,
 687                        struct ethtool_ringparam *param)
 688 {
 689         struct hns_nic_priv *priv = netdev_priv(net_dev);
 690         struct hnae_ae_ops *ops;
 691         struct hnae_queue *queue;
 692         u32 uplimit = 0;
 693
 694         queue = priv->ae_handle->qs[0];
 695         ops = priv->ae_handle->dev->ops;
 696
 697         if (ops->get_ring_bdnum_limit)
 698                 ops->get_ring_bdnum_limit(queue, &uplimit);
 699
 700         param->rx_max_pending = uplimit;
 701         param->tx_max_pending = uplimit;
 702         param->rx_pending = queue->rx_ring.desc_num;
 703         param->tx_pending = queue->tx_ring.desc_num;
 704 }
 705
 706 /**
 707  * hns_get_pauseparam - get pause parameter
 708  * @dev: net device
 709  * @param: pause parameter
 710  */
 711 static void hns_get_pauseparam(struct net_device *net_dev,
 712                                struct ethtool_pauseparam *param)
 713 {
 714         struct hns_nic_priv *priv = netdev_priv(net_dev);
 715         struct hnae_ae_ops *ops;
 716
 717         ops = priv->ae_handle->dev->ops;
 718
 719         if (ops->get_pauseparam)
 720                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 721                                             &param->rx_pause, &param->tx_pause);
 722 }
 723
 724 /**
 725  * hns_set_pauseparam - set pause parameter
 726  * @dev: net device
 727  * @param: pause parameter
 728  *
 729  * Return 0 on success, negative on failure
 730  */
 731 static int hns_set_pauseparam(struct net_device *net_dev,
 732                               struct ethtool_pauseparam *param)
 733 {
 734         struct hns_nic_priv *priv = netdev_priv(net_dev);
 735         struct hnae_handle *h;
 736         struct hnae_ae_ops *ops;
 737
 738         h = priv->ae_handle;
 739         ops = h->dev->ops;
 740
 741         if (!ops->set_pauseparam)
 742                 return -ESRCH;
 743
 744         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 745                                    param->rx_pause, param->tx_pause);
 746 }
 747
 748 /**
 749  * hns_get_coalesce - get coalesce info.
 750  * @dev: net device
 751  * @ec: coalesce info.
 752  *
 753  * Return 0 on success, negative on failure.
 754  */
 755 static int hns_get_coalesce(struct net_device *net_dev,
 756                             struct ethtool_coalesce *ec)
 757 {
 758         struct hns_nic_priv *priv = netdev_priv(net_dev);
 759         struct hnae_ae_ops *ops;
 760
 761         ops = priv->ae_handle->dev->ops;
 762
 763         ec->use_adaptive_rx_coalesce = 1;
 764         ec->use_adaptive_tx_coalesce = 1;
 765
 766         if ((!ops->get_coalesce_usecs) ||
 767             (!ops->get_rx_max_coalesced_frames))
 768                 return -ESRCH;
 769
 770         ops->get_coalesce_usecs(priv->ae_handle,
 771                                         &ec->tx_coalesce_usecs,
 772                                         &ec->rx_coalesce_usecs);
 773
 774         ops->get_rx_max_coalesced_frames(
 775                 priv->ae_handle,
 776                 &ec->tx_max_coalesced_frames,
 777                 &ec->rx_max_coalesced_frames);
 778
 779         ops->get_coalesce_range(priv->ae_handle,
 780                                 &ec->tx_max_coalesced_frames_low,
 781                                 &ec->rx_max_coalesced_frames_low,
 782                                 &ec->tx_max_coalesced_frames_high,
 783                                 &ec->rx_max_coalesced_frames_high,
 784                                 &ec->tx_coalesce_usecs_low,
 785                                 &ec->rx_coalesce_usecs_low,
 786                                 &ec->tx_coalesce_usecs_high,
 787                                 &ec->rx_coalesce_usecs_high);
 788
 789         return 0;
 790 }
 791
 792 /**
 793  * hns_set_coalesce - set coalesce info.
 794  * @dev: net device
 795  * @ec: coalesce info.
 796  *
 797  * Return 0 on success, negative on failure.
 798  */
 799 static int hns_set_coalesce(struct net_device *net_dev,
 800                             struct ethtool_coalesce *ec)
 801 {
 802         struct hns_nic_priv *priv = netdev_priv(net_dev);
 803         struct hnae_ae_ops *ops;
 804         int ret;
 805
 806         ops = priv->ae_handle->dev->ops;
 807
 808         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 809                 return -EINVAL;
 810
 811         if (ec->rx_max_coalesced_frames != ec->tx_max_coalesced_frames)
 812                 return -EINVAL;
 813
 814         if ((!ops->set_coalesce_usecs) ||
 815             (!ops->set_coalesce_frames))
 816                 return -ESRCH;
 817
 818         ret = ops->set_coalesce_usecs(priv->ae_handle,
 819                                       ec->rx_coalesce_usecs);
 820         if (ret)
 821                 return ret;
 822
 823         ret = ops->set_coalesce_frames(
 824                 priv->ae_handle,
 825                 ec->rx_max_coalesced_frames);
 826
 827         return ret;
 828 }
 829
 830 /**
 831  * hns_get_channels - get channel info.
 832  * @dev: net device
 833  * @ch: channel info.
 834  */
 835 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 836 {
 837         struct hns_nic_priv *priv = netdev_priv(net_dev);
 838
 839         ch->max_rx = priv->ae_handle->q_num;
 840         ch->max_tx = priv->ae_handle->q_num;
 841
 842         ch->rx_count = priv->ae_handle->q_num;
 843         ch->tx_count = priv->ae_handle->q_num;
 844 }
 845
 846 /**
 847  * get_ethtool_stats - get detail statistics.
 848  * @dev: net device
 849  * @stats: statistics info.
 850  * @data: statistics data.
 851  */
 852 void hns_get_ethtool_stats(struct net_device *netdev,
 853                            struct ethtool_stats *stats, u64 *data)
 854 {
 855         u64 *p = data;
 856         struct hns_nic_priv *priv = netdev_priv(netdev);
 857         struct hnae_handle *h = priv->ae_handle;
 858         const struct rtnl_link_stats64 *net_stats;
 859         struct rtnl_link_stats64 temp;
 860
 861         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 862                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 863                 return;
 864         }
 865
 866         h->dev->ops->update_stats(h, &netdev->stats);
 867
 868         net_stats = dev_get_stats(netdev, &temp);
 869
 870         /* get netdev statistics */
 871         p[0] = net_stats->rx_packets;
 872         p[1] = net_stats->tx_packets;
 873         p[2] = net_stats->rx_bytes;
 874         p[3] = net_stats->tx_bytes;
 875         p[4] = net_stats->rx_errors;
 876         p[5] = net_stats->tx_errors;
 877         p[6] = net_stats->rx_dropped;
 878         p[7] = net_stats->tx_dropped;
 879         p[8] = net_stats->multicast;
 880         p[9] = net_stats->collisions;
 881         p[10] = net_stats->rx_over_errors;
 882         p[11] = net_stats->rx_crc_errors;
 883         p[12] = net_stats->rx_frame_errors;
 884         p[13] = net_stats->rx_fifo_errors;
 885         p[14] = net_stats->rx_missed_errors;
 886         p[15] = net_stats->tx_aborted_errors;
 887         p[16] = net_stats->tx_carrier_errors;
 888         p[17] = net_stats->tx_fifo_errors;
 889         p[18] = net_stats->tx_heartbeat_errors;
 890         p[19] = net_stats->rx_length_errors;
 891         p[20] = net_stats->tx_window_errors;
 892         p[21] = net_stats->rx_compressed;
 893         p[22] = net_stats->tx_compressed;
 894
 895         p[23] = netdev->rx_dropped.counter;
 896         p[24] = netdev->tx_dropped.counter;
 897
 898         p[25] = priv->tx_timeout_count;
 899
 900         /* get driver statistics */
 901         h->dev->ops->get_stats(h, &p[26]);
 902 }
 903
 904 /**
 905  * get_strings: Return a set of strings that describe the requested objects
 906  * @dev: net device
 907  * @stats: string set ID.
 908  * @data: objects data.
 909  */
 910 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 911 {
 912         struct hns_nic_priv *priv = netdev_priv(netdev);
 913         struct hnae_handle *h = priv->ae_handle;
 914         char *buff = (char *)data;
 915
 916         if (!h->dev->ops->get_strings) {
 917                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 918                 return;
 919         }
 920
 921         if (stringset == ETH_SS_TEST) {
 922                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 923                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 924                                ETH_GSTRING_LEN);
 925                         buff += ETH_GSTRING_LEN;
 926                 }
 927                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 928                        ETH_GSTRING_LEN);
 929                 buff += ETH_GSTRING_LEN;
 930                 if ((netdev->phydev) && (!netdev->phydev->is_c45))
 931                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 932                                ETH_GSTRING_LEN);
 933
 934         } else {
 935                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 936                 buff = buff + ETH_GSTRING_LEN;
 937                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 938                 buff = buff + ETH_GSTRING_LEN;
 939                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 940                 buff = buff + ETH_GSTRING_LEN;
 941                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 942                 buff = buff + ETH_GSTRING_LEN;
 943                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 944                 buff = buff + ETH_GSTRING_LEN;
 945                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 946                 buff = buff + ETH_GSTRING_LEN;
 947                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 948                 buff = buff + ETH_GSTRING_LEN;
 949                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 950                 buff = buff + ETH_GSTRING_LEN;
 951                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 952                 buff = buff + ETH_GSTRING_LEN;
 953                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 954                 buff = buff + ETH_GSTRING_LEN;
 955                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 956                 buff = buff + ETH_GSTRING_LEN;
 957                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 958                 buff = buff + ETH_GSTRING_LEN;
 959                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 960                 buff = buff + ETH_GSTRING_LEN;
 961                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 962                 buff = buff + ETH_GSTRING_LEN;
 963                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 964                 buff = buff + ETH_GSTRING_LEN;
 965                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 966                 buff = buff + ETH_GSTRING_LEN;
 967                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 968                 buff = buff + ETH_GSTRING_LEN;
 969                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 970                 buff = buff + ETH_GSTRING_LEN;
 971                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 972                 buff = buff + ETH_GSTRING_LEN;
 973                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 974                 buff = buff + ETH_GSTRING_LEN;
 975                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 976                 buff = buff + ETH_GSTRING_LEN;
 977                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 978                 buff = buff + ETH_GSTRING_LEN;
 979                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 980                 buff = buff + ETH_GSTRING_LEN;
 981                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 982                 buff = buff + ETH_GSTRING_LEN;
 983                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 984                 buff = buff + ETH_GSTRING_LEN;
 985
 986                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 987                 buff = buff + ETH_GSTRING_LEN;
 988
 989                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
 990         }
 991 }
 992
 993 /**
 994  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
 995  * @dev: net device
 996  * @stringset: string set index, 0: self test string; 1: statistics string.
 997  *
 998  * Return string set count.
 999  */
1000 int hns_get_sset_count(struct net_device *netdev, int stringset)
1001 {
1002         struct hns_nic_priv *priv = netdev_priv(netdev);
1003         struct hnae_handle *h = priv->ae_handle;
1004         struct hnae_ae_ops *ops = h->dev->ops;
1005
1006         if (!ops->get_sset_count) {
1007                 netdev_err(netdev, "get_sset_count is null!\n");
1008                 return -EOPNOTSUPP;
1009         }
1010         if (stringset == ETH_SS_TEST) {
1011                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
1012
1013                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
1014                         cnt--;
1015
1016                 if ((!netdev->phydev) || (netdev->phydev->is_c45))
1017                         cnt--;
1018
1019                 return cnt;
1020         } else {
1021                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1022         }
1023 }
1024
1025 /**
1026  * hns_phy_led_set - set phy LED status.
1027  * @dev: net device
1028  * @value: LED state.
1029  *
1030  * Return 0 on success, negative on failure.
1031  */
1032 int hns_phy_led_set(struct net_device *netdev, int value)
1033 {
1034         int retval;
1035         struct phy_device *phy_dev = netdev->phydev;
1036
1037         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1038         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1039         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1040         if (retval) {
1041                 netdev_err(netdev, "mdiobus_write fail !\n");
1042                 return retval;
1043         }
1044         return 0;
1045 }
1046
1047 /**
1048  * nic_set_phys_id - set phy identify LED.
1049  * @dev: net device
1050  * @state: LED state.
1051  *
1052  * Return 0 on success, negative on failure.
1053  */
1054 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1055 {
1056         struct hns_nic_priv *priv = netdev_priv(netdev);
1057         struct hnae_handle *h = priv->ae_handle;
1058         struct phy_device *phy_dev = netdev->phydev;
1059         int ret;
1060
1061         if (phy_dev)
1062                 switch (state) {
1063                 case ETHTOOL_ID_ACTIVE:
1064                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1065                                         HNS_PHY_PAGE_LED);
1066                         if (ret)
1067                                 return ret;
1068
1069                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1070
1071                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1072                                         HNS_PHY_PAGE_COPPER);
1073                         if (ret)
1074                                 return ret;
1075                         return 2;
1076                 case ETHTOOL_ID_ON:
1077                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1078                         if (ret)
1079                                 return ret;
1080                         break;
1081                 case ETHTOOL_ID_OFF:
1082                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1083                         if (ret)
1084                                 return ret;
1085                         break;
1086                 case ETHTOOL_ID_INACTIVE:
1087                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1088                                         HNS_PHY_PAGE_LED);
1089                         if (ret)
1090                                 return ret;
1091
1092                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1093                                         priv->phy_led_val);
1094                         if (ret)
1095                                 return ret;
1096
1097                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1098                                         HNS_PHY_PAGE_COPPER);
1099                         if (ret)
1100                                 return ret;
1101                         break;
1102                 default:
1103                         return -EINVAL;
1104                 }
1105         else
1106                 switch (state) {
1107                 case ETHTOOL_ID_ACTIVE:
1108                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1109                 case ETHTOOL_ID_ON:
1110                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1111                 case ETHTOOL_ID_OFF:
1112                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1113                 case ETHTOOL_ID_INACTIVE:
1114                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1115                 default:
1116                         return -EINVAL;
1117                 }
1118
1119         return 0;
1120 }
1121
1122 /**
1123  * hns_get_regs - get net device register
1124  * @dev: net device
1125  * @cmd: ethtool cmd
1126  * @date: register data
1127  */
1128 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1129                   void *data)
1130 {
1131         struct hns_nic_priv *priv = netdev_priv(net_dev);
1132         struct hnae_ae_ops *ops;
1133
1134         ops = priv->ae_handle->dev->ops;
1135
1136         cmd->version = HNS_CHIP_VERSION;
1137         if (!ops->get_regs) {
1138                 netdev_err(net_dev, "ops->get_regs is null!\n");
1139                 return;
1140         }
1141         ops->get_regs(priv->ae_handle, data);
1142 }
1143
1144 /**
1145  * nic_get_regs_len - get total register len.
1146  * @dev: net device
1147  *
1148  * Return total register len.
1149  */
1150 static int hns_get_regs_len(struct net_device *net_dev)
1151 {
1152         u32 reg_num;
1153         struct hns_nic_priv *priv = netdev_priv(net_dev);
1154         struct hnae_ae_ops *ops;
1155
1156         ops = priv->ae_handle->dev->ops;
1157         if (!ops->get_regs_len) {
1158                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1159                 return -EOPNOTSUPP;
1160         }
1161
1162         reg_num = ops->get_regs_len(priv->ae_handle);
1163         if (reg_num > 0)
1164                 return reg_num * sizeof(u32);
1165         else
1166                 return reg_num; /* error code */
1167 }
1168
1169 /**
1170  * hns_nic_nway_reset - nway reset
1171  * @dev: net device
1172  *
1173  * Return 0 on success, negative on failure
1174  */
1175 static int hns_nic_nway_reset(struct net_device *netdev)
1176 {
1177         int ret = 0;
1178         struct phy_device *phy = netdev->phydev;
1179
1180         if (netif_running(netdev)) {
1181                 if (phy)
1182                         ret = genphy_restart_aneg(phy);
1183         }
1184
1185         return ret;
1186 }
1187
1188 static u32
1189 hns_get_rss_key_size(struct net_device *netdev)
1190 {
1191         struct hns_nic_priv *priv = netdev_priv(netdev);
1192         struct hnae_ae_ops *ops;
1193
1194         if (AE_IS_VER1(priv->enet_ver)) {
1195                 netdev_err(netdev,
1196                            "RSS feature is not supported on this hardware\n");
1197                 return 0;
1198         }
1199
1200         ops = priv->ae_handle->dev->ops;
1201         return ops->get_rss_key_size(priv->ae_handle);
1202 }
1203
1204 static u32
1205 hns_get_rss_indir_size(struct net_device *netdev)
1206 {
1207         struct hns_nic_priv *priv = netdev_priv(netdev);
1208         struct hnae_ae_ops *ops;
1209
1210         if (AE_IS_VER1(priv->enet_ver)) {
1211                 netdev_err(netdev,
1212                            "RSS feature is not supported on this hardware\n");
1213                 return 0;
1214         }
1215
1216         ops = priv->ae_handle->dev->ops;
1217         return ops->get_rss_indir_size(priv->ae_handle);
1218 }
1219
1220 static int
1221 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1222 {
1223         struct hns_nic_priv *priv = netdev_priv(netdev);
1224         struct hnae_ae_ops *ops;
1225
1226         if (AE_IS_VER1(priv->enet_ver)) {
1227                 netdev_err(netdev,
1228                            "RSS feature is not supported on this hardware\n");
1229                 return -EOPNOTSUPP;
1230         }
1231
1232         ops = priv->ae_handle->dev->ops;
1233
1234         if (!indir)
1235                 return 0;
1236
1237         return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1238 }
1239
1240 static int
1241 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1242             const u8 hfunc)
1243 {
1244         struct hns_nic_priv *priv = netdev_priv(netdev);
1245         struct hnae_ae_ops *ops;
1246
1247         if (AE_IS_VER1(priv->enet_ver)) {
1248                 netdev_err(netdev,
1249                            "RSS feature is not supported on this hardware\n");
1250                 return -EOPNOTSUPP;
1251         }
1252
1253         ops = priv->ae_handle->dev->ops;
1254
1255         /* currently hfunc can only be Toeplitz hash */
1256         if (key ||
1257             (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1258                 return -EOPNOTSUPP;
1259         if (!indir)
1260                 return 0;
1261
1262         return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1263 }
1264
1265 static int hns_get_rxnfc(struct net_device *netdev,
1266                          struct ethtool_rxnfc *cmd,
1267                          u32 *rule_locs)
1268 {
1269         struct hns_nic_priv *priv = netdev_priv(netdev);
1270
1271         switch (cmd->cmd) {
1272         case ETHTOOL_GRXRINGS:
1273                 cmd->data = priv->ae_handle->q_num;
1274                 break;
1275         default:
1276                 return -EOPNOTSUPP;
1277         }
1278
1279         return 0;
1280 }
1281
1282 static const struct ethtool_ops hns_ethtool_ops = {
1283         .get_drvinfo = hns_nic_get_drvinfo,
1284         .get_link  = hns_nic_get_link,
1285         .get_ringparam = hns_get_ringparam,
1286         .get_pauseparam = hns_get_pauseparam,
1287         .set_pauseparam = hns_set_pauseparam,
1288         .get_coalesce = hns_get_coalesce,
1289         .set_coalesce = hns_set_coalesce,
1290         .get_channels = hns_get_channels,
1291         .self_test = hns_nic_self_test,
1292         .get_strings = hns_get_strings,
1293         .get_sset_count = hns_get_sset_count,
1294         .get_ethtool_stats = hns_get_ethtool_stats,
1295         .set_phys_id = hns_set_phys_id,
1296         .get_regs_len = hns_get_regs_len,
1297         .get_regs = hns_get_regs,
1298         .nway_reset = hns_nic_nway_reset,
1299         .get_rxfh_key_size = hns_get_rss_key_size,
1300         .get_rxfh_indir_size = hns_get_rss_indir_size,
1301         .get_rxfh = hns_get_rss,
1302         .set_rxfh = hns_set_rss,
1303         .get_rxnfc = hns_get_rxnfc,
1304         .get_link_ksettings  = hns_nic_get_link_ksettings,
1305         .set_link_ksettings  = hns_nic_set_link_ksettings,
1306 };
1307
1308 void hns_ethtool_set_ops(struct net_device *ndev)
1309 {
1310         ndev->ethtool_ops = &hns_ethtool_ops;
1311 }