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

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