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 (priv->phy) {
  52                 if (!genphy_read_status(priv->phy))
  53                         link_stat = priv->phy->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_cmd *cmd)
  68 {
  69         int mdix_ctrl, mdix, retval, is_resolved;
  70         struct hns_nic_priv *priv = netdev_priv(net_dev);
  71         struct phy_device *phy_dev = priv->phy;
  72
  73         if (!phy_dev || !phy_dev->mdio.bus) {
  74                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  75                 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
  76                 return;
  77         }
  78
  79         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
  80
  81         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
  82         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
  83
  84         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
  85         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
  86         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
  87
  88         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
  89
  90         switch (mdix_ctrl) {
  91         case 0x0:
  92                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI;
  93                 break;
  94         case 0x1:
  95                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_X;
  96                 break;
  97         case 0x3:
  98                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
  99                 break;
 100         default:
 101                 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 102                 break;
 103         }
 104
 105         if (!is_resolved)
 106                 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
 107         else if (mdix)
 108                 cmd->eth_tp_mdix = ETH_TP_MDI_X;
 109         else
 110                 cmd->eth_tp_mdix = ETH_TP_MDI;
 111 }
 112
 113 /**
 114  *hns_nic_get_settings - implement ethtool get settings
 115  *@net_dev: net_device
 116  *@cmd: ethtool_cmd
 117  *retuen 0 - success , negative --fail
 118  */
 119 static int hns_nic_get_settings(struct net_device *net_dev,
 120                                 struct ethtool_cmd *cmd)
 121 {
 122         struct hns_nic_priv *priv = netdev_priv(net_dev);
 123         struct hnae_handle *h;
 124         u32 link_stat;
 125         int ret;
 126         u8 duplex;
 127         u16 speed;
 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         /* When there is no phy, autoneg is off. */
 143         cmd->autoneg = false;
 144         ethtool_cmd_speed_set(cmd, speed);
 145         cmd->duplex = duplex;
 146
 147         if (priv->phy)
 148                 (void)phy_ethtool_gset(priv->phy, cmd);
 149
 150         link_stat = hns_nic_get_link(net_dev);
 151         if (!link_stat) {
 152                 ethtool_cmd_speed_set(cmd, (u32)SPEED_UNKNOWN);
 153                 cmd->duplex = DUPLEX_UNKNOWN;
 154         }
 155
 156         if (cmd->autoneg)
 157                 cmd->advertising |= ADVERTISED_Autoneg;
 158
 159         cmd->supported |= h->if_support;
 160         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 161                 cmd->supported |= SUPPORTED_TP;
 162                 cmd->advertising |= ADVERTISED_1000baseT_Full;
 163         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 164                 cmd->supported |= SUPPORTED_FIBRE;
 165                 cmd->advertising |= ADVERTISED_10000baseKR_Full;
 166         }
 167
 168         switch (h->media_type) {
 169         case HNAE_MEDIA_TYPE_FIBER:
 170                 cmd->port = PORT_FIBRE;
 171                 break;
 172         case HNAE_MEDIA_TYPE_COPPER:
 173                 cmd->port = PORT_TP;
 174                 break;
 175         case HNAE_MEDIA_TYPE_UNKNOWN:
 176         default:
 177                 break;
 178         }
 179
 180         if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
 181                 cmd->supported |= SUPPORTED_Pause;
 182
 183         cmd->transceiver = XCVR_EXTERNAL;
 184         cmd->mdio_support = (ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22);
 185         hns_get_mdix_mode(net_dev, cmd);
 186
 187         return 0;
 188 }
 189
 190 /**
 191  *hns_nic_set_settings - implement ethtool set settings
 192  *@net_dev: net_device
 193  *@cmd: ethtool_cmd
 194  *retuen 0 - success , negative --fail
 195  */
 196 static int hns_nic_set_settings(struct net_device *net_dev,
 197                                 struct ethtool_cmd *cmd)
 198 {
 199         struct hns_nic_priv *priv = netdev_priv(net_dev);
 200         struct hnae_handle *h;
 201         u32 speed;
 202
 203         if (!netif_running(net_dev))
 204                 return -ESRCH;
 205
 206         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
 207             !priv->ae_handle->dev->ops)
 208                 return -ENODEV;
 209
 210         h = priv->ae_handle;
 211         speed = ethtool_cmd_speed(cmd);
 212
 213         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 214                 if (cmd->autoneg == AUTONEG_ENABLE || speed != SPEED_10000 ||
 215                     cmd->duplex != DUPLEX_FULL)
 216                         return -EINVAL;
 217         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 218                 if (!priv->phy && cmd->autoneg == AUTONEG_ENABLE)
 219                         return -EINVAL;
 220
 221                 if (speed == SPEED_1000 && cmd->duplex == DUPLEX_HALF)
 222                         return -EINVAL;
 223                 if (priv->phy)
 224                         return phy_ethtool_sset(priv->phy, cmd);
 225
 226                 if ((speed != SPEED_10 && speed != SPEED_100 &&
 227                      speed != SPEED_1000) || (cmd->duplex != DUPLEX_HALF &&
 228                      cmd->duplex != DUPLEX_FULL))
 229                         return -EINVAL;
 230         } else {
 231                 netdev_err(net_dev, "Not supported!");
 232                 return -ENOTSUPP;
 233         }
 234
 235         if (h->dev->ops->adjust_link) {
 236                 h->dev->ops->adjust_link(h, (int)speed, cmd->duplex);
 237                 return 0;
 238         }
 239
 240         netdev_err(net_dev, "Not supported!");
 241         return -ENOTSUPP;
 242 }
 243
 244 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
 245         "Mac    Loopback test",
 246         "Serdes Loopback test",
 247         "Phy    Loopback test"
 248 };
 249
 250 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
 251 {
 252 #define COPPER_CONTROL_REG 0
 253 #define PHY_POWER_DOWN BIT(11)
 254 #define PHY_LOOP_BACK BIT(14)
 255         u16 val = 0;
 256
 257         if (phy_dev->is_c45) /* c45 branch adding for XGE PHY */
 258                 return -ENOTSUPP;
 259
 260         if (en) {
 261                 /* speed : 1000M */
 262                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 2);
 263                 phy_write(phy_dev, 21, 0x1046);
 264
 265                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 266                 /* Force Master */
 267                 phy_write(phy_dev, 9, 0x1F00);
 268
 269                 /* Soft-reset */
 270                 phy_write(phy_dev, 0, 0x9140);
 271                 /* If autoneg disabled,two soft-reset operations */
 272                 phy_write(phy_dev, 0, 0x9140);
 273
 274                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 275
 276                 /* Default is 0x0400 */
 277                 phy_write(phy_dev, 1, 0x418);
 278
 279                 /* Force 1000M Link, Default is 0x0200 */
 280                 phy_write(phy_dev, 7, 0x20C);
 281                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 282
 283                 /* Enable PHY loop-back */
 284                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 285                 val |= PHY_LOOP_BACK;
 286                 val &= ~PHY_POWER_DOWN;
 287                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 288         } else {
 289                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA);
 290                 phy_write(phy_dev, 1, 0x400);
 291                 phy_write(phy_dev, 7, 0x200);
 292                 phy_write(phy_dev, HNS_PHY_PAGE_REG, 0);
 293                 phy_write(phy_dev, 9, 0xF00);
 294
 295                 val = phy_read(phy_dev, COPPER_CONTROL_REG);
 296                 val &= ~PHY_LOOP_BACK;
 297                 val |= PHY_POWER_DOWN;
 298                 phy_write(phy_dev, COPPER_CONTROL_REG, val);
 299         }
 300         return 0;
 301 }
 302
 303 static int __lb_setup(struct net_device *ndev,
 304                       enum hnae_loop loop)
 305 {
 306         int ret = 0;
 307         struct hns_nic_priv *priv = netdev_priv(ndev);
 308         struct phy_device *phy_dev = priv->phy;
 309         struct hnae_handle *h = priv->ae_handle;
 310
 311         switch (loop) {
 312         case MAC_INTERNALLOOP_PHY:
 313                 if ((phy_dev) && (!phy_dev->is_c45)) {
 314                         ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 315                         ret |= h->dev->ops->set_loopback(h, loop, 0x1);
 316                 }
 317                 break;
 318         case MAC_INTERNALLOOP_MAC:
 319                 if ((h->dev->ops->set_loopback) &&
 320                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 321                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 322                 break;
 323         case MAC_INTERNALLOOP_SERDES:
 324                 if (h->dev->ops->set_loopback)
 325                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 326                 break;
 327         case MAC_LOOP_NONE:
 328                 if ((phy_dev) && (!phy_dev->is_c45))
 329                         ret |= hns_nic_config_phy_loopback(phy_dev, 0x0);
 330
 331                 if (h->dev->ops->set_loopback) {
 332                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 333                                 ret |= h->dev->ops->set_loopback(h,
 334                                         MAC_INTERNALLOOP_MAC, 0x0);
 335
 336                         ret |= h->dev->ops->set_loopback(h,
 337                                 MAC_INTERNALLOOP_SERDES, 0x0);
 338                 }
 339                 break;
 340         default:
 341                 ret = -EINVAL;
 342                 break;
 343         }
 344
 345         return ret;
 346 }
 347
 348 static int __lb_up(struct net_device *ndev,
 349                    enum hnae_loop loop_mode)
 350 {
 351         struct hns_nic_priv *priv = netdev_priv(ndev);
 352         struct hnae_handle *h = priv->ae_handle;
 353         int speed, duplex;
 354         int ret;
 355
 356         hns_nic_net_reset(ndev);
 357
 358         ret = __lb_setup(ndev, loop_mode);
 359         if (ret)
 360                 return ret;
 361
 362         msleep(200);
 363
 364         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 365         if (ret)
 366                 return ret;
 367
 368         /* link adjust duplex*/
 369         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 370                 speed = 1000;
 371         else
 372                 speed = 10000;
 373         duplex = 1;
 374
 375         h->dev->ops->adjust_link(h, speed, duplex);
 376
 377         return 0;
 378 }
 379
 380 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 381                                struct sk_buff *skb)
 382 {
 383         struct net_device *ndev;
 384         struct hns_nic_priv *priv;
 385         struct hnae_ring *ring;
 386         struct netdev_queue *dev_queue;
 387         struct sk_buff *new_skb;
 388         unsigned int frame_size;
 389         int check_ok;
 390         u32 i;
 391         char buff[33]; /* 32B data and the last character '\0' */
 392
 393         if (!ring_data) { /* Just for doing create frame*/
 394                 ndev = skb->dev;
 395                 priv = netdev_priv(ndev);
 396
 397                 frame_size = skb->len;
 398                 memset(skb->data, 0xFF, frame_size);
 399                 if ((!AE_IS_VER1(priv->enet_ver)) &&
 400                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
 401                         memcpy(skb->data, ndev->dev_addr, 6);
 402                         skb->data[5] += 0x1f;
 403                 }
 404
 405                 frame_size &= ~1ul;
 406                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 407                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 408                        frame_size / 2 - 11);
 409                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 410                        frame_size / 2 - 13);
 411                 return;
 412         }
 413
 414         ring = ring_data->ring;
 415         ndev = ring_data->napi.dev;
 416         if (is_tx_ring(ring)) { /* for tx queue reset*/
 417                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 418                 netdev_tx_reset_queue(dev_queue);
 419                 return;
 420         }
 421
 422         frame_size = skb->len;
 423         frame_size &= ~1ul;
 424         /* for mutl buffer*/
 425         new_skb = skb_copy(skb, GFP_ATOMIC);
 426         dev_kfree_skb_any(skb);
 427         skb = new_skb;
 428
 429         check_ok = 0;
 430         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 431                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 432                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 433                         check_ok = 1;
 434         }
 435
 436         if (check_ok) {
 437                 ndev->stats.rx_packets++;
 438                 ndev->stats.rx_bytes += skb->len;
 439         } else {
 440                 ndev->stats.rx_frame_errors++;
 441                 for (i = 0; i < skb->len; i++) {
 442                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 443                                  "%02x", *(skb->data + i));
 444                         if ((i % 16 == 15) || (i == skb->len - 1))
 445                                 pr_info("%s\n", buff);
 446                 }
 447         }
 448         dev_kfree_skb_any(skb);
 449 }
 450
 451 static int __lb_clean_rings(struct hns_nic_priv *priv,
 452                             int ringid0, int ringid1, int budget)
 453 {
 454         int i, ret;
 455         struct hns_nic_ring_data *ring_data;
 456         struct net_device *ndev = priv->netdev;
 457         unsigned long rx_packets = ndev->stats.rx_packets;
 458         unsigned long rx_bytes = ndev->stats.rx_bytes;
 459         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 460
 461         for (i = ringid0; i <= ringid1; i++) {
 462                 ring_data = &priv->ring_data[i];
 463                 (void)ring_data->poll_one(ring_data,
 464                                           budget, __lb_other_process);
 465         }
 466         ret = (int)(ndev->stats.rx_packets - rx_packets);
 467         ndev->stats.rx_packets = rx_packets;
 468         ndev->stats.rx_bytes = rx_bytes;
 469         ndev->stats.rx_frame_errors = rx_frame_errors;
 470         return ret;
 471 }
 472
 473 /**
 474  * nic_run_loopback_test -  run loopback test
 475  * @nic_dev: net device
 476  * @loopback_type: loopback type
 477  */
 478 static int __lb_run_test(struct net_device *ndev,
 479                          enum hnae_loop loop_mode)
 480 {
 481 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 482 #define NIC_LB_TEST_RING_ID 0
 483 #define NIC_LB_TEST_FRAME_SIZE 128
 484 /* nic loopback test err  */
 485 #define NIC_LB_TEST_NO_MEM_ERR 1
 486 #define NIC_LB_TEST_TX_CNT_ERR 2
 487 #define NIC_LB_TEST_RX_CNT_ERR 3
 488 #define NIC_LB_TEST_RX_PKG_ERR 4
 489         struct hns_nic_priv *priv = netdev_priv(ndev);
 490         struct hnae_handle *h = priv->ae_handle;
 491         int i, j, lc, good_cnt, ret_val = 0;
 492         unsigned int size;
 493         netdev_tx_t tx_ret_val;
 494         struct sk_buff *skb;
 495
 496         size = NIC_LB_TEST_FRAME_SIZE;
 497         /* allocate test skb */
 498         skb = alloc_skb(size, GFP_KERNEL);
 499         if (!skb)
 500                 return NIC_LB_TEST_NO_MEM_ERR;
 501
 502         /* place data into test skb */
 503         (void)skb_put(skb, size);
 504         skb->dev = ndev;
 505         __lb_other_process(NULL, skb);
 506         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 507
 508         lc = 1;
 509         for (j = 0; j < lc; j++) {
 510                 /* reset count of good packets */
 511                 good_cnt = 0;
 512                 /* place 64 packets on the transmit queue*/
 513                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 514                         (void)skb_get(skb);
 515
 516                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 517                                 ndev, skb,
 518                                 &tx_ring_data(priv, skb->queue_mapping));
 519                         if (tx_ret_val == NETDEV_TX_OK)
 520                                 good_cnt++;
 521                         else
 522                                 break;
 523                 }
 524                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 525                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 526                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 527                                 hns_nic_test_strs[loop_mode], good_cnt,
 528                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 529                         break;
 530                 }
 531
 532                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 533                 msleep(100);
 534
 535                 good_cnt = __lb_clean_rings(priv,
 536                                             h->q_num, h->q_num * 2 - 1,
 537                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 538                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 539                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 540                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 541                                 hns_nic_test_strs[loop_mode], good_cnt,
 542                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 543                         break;
 544                 }
 545                 (void)__lb_clean_rings(priv,
 546                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 547                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 548         }
 549
 550         /* free the original skb */
 551         kfree_skb(skb);
 552
 553         return ret_val;
 554 }
 555
 556 static int __lb_down(struct net_device *ndev)
 557 {
 558         struct hns_nic_priv *priv = netdev_priv(ndev);
 559         struct hnae_handle *h = priv->ae_handle;
 560         int ret;
 561
 562         ret = __lb_setup(ndev, MAC_LOOP_NONE);
 563         if (ret)
 564                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 565                            __func__,
 566                            ret);
 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_dev)) &&
 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         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 650                 sizeof(drvinfo->version));
 651         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 652
 653         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 654         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 655
 656         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 657                 sizeof(drvinfo->bus_info));
 658         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 659
 660         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 661         drvinfo->eedump_len = 0;
 662 }
 663
 664 /**
 665  * hns_get_ringparam - get ring parameter
 666  * @dev: net device
 667  * @param: ethtool parameter
 668  */
 669 void hns_get_ringparam(struct net_device *net_dev,
 670                        struct ethtool_ringparam *param)
 671 {
 672         struct hns_nic_priv *priv = netdev_priv(net_dev);
 673         struct hnae_ae_ops *ops;
 674         struct hnae_queue *queue;
 675         u32 uplimit = 0;
 676
 677         queue = priv->ae_handle->qs[0];
 678         ops = priv->ae_handle->dev->ops;
 679
 680         if (ops->get_ring_bdnum_limit)
 681                 ops->get_ring_bdnum_limit(queue, &uplimit);
 682
 683         param->rx_max_pending = uplimit;
 684         param->tx_max_pending = uplimit;
 685         param->rx_pending = queue->rx_ring.desc_num;
 686         param->tx_pending = queue->tx_ring.desc_num;
 687 }
 688
 689 /**
 690  * hns_get_pauseparam - get pause parameter
 691  * @dev: net device
 692  * @param: pause parameter
 693  */
 694 static void hns_get_pauseparam(struct net_device *net_dev,
 695                                struct ethtool_pauseparam *param)
 696 {
 697         struct hns_nic_priv *priv = netdev_priv(net_dev);
 698         struct hnae_ae_ops *ops;
 699
 700         ops = priv->ae_handle->dev->ops;
 701
 702         if (ops->get_pauseparam)
 703                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 704                                             &param->rx_pause, &param->tx_pause);
 705 }
 706
 707 /**
 708  * hns_set_pauseparam - set pause parameter
 709  * @dev: net device
 710  * @param: pause parameter
 711  *
 712  * Return 0 on success, negative on failure
 713  */
 714 static int hns_set_pauseparam(struct net_device *net_dev,
 715                               struct ethtool_pauseparam *param)
 716 {
 717         struct hns_nic_priv *priv = netdev_priv(net_dev);
 718         struct hnae_handle *h;
 719         struct hnae_ae_ops *ops;
 720
 721         h = priv->ae_handle;
 722         ops = h->dev->ops;
 723
 724         if (!ops->set_pauseparam)
 725                 return -ESRCH;
 726
 727         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 728                                    param->rx_pause, param->tx_pause);
 729 }
 730
 731 /**
 732  * hns_get_coalesce - get coalesce info.
 733  * @dev: net device
 734  * @ec: coalesce info.
 735  *
 736  * Return 0 on success, negative on failure.
 737  */
 738 static int hns_get_coalesce(struct net_device *net_dev,
 739                             struct ethtool_coalesce *ec)
 740 {
 741         struct hns_nic_priv *priv = netdev_priv(net_dev);
 742         struct hnae_ae_ops *ops;
 743
 744         ops = priv->ae_handle->dev->ops;
 745
 746         ec->use_adaptive_rx_coalesce = 1;
 747         ec->use_adaptive_tx_coalesce = 1;
 748
 749         if ((!ops->get_coalesce_usecs) ||
 750             (!ops->get_rx_max_coalesced_frames))
 751                 return -ESRCH;
 752
 753         ops->get_coalesce_usecs(priv->ae_handle,
 754                                         &ec->tx_coalesce_usecs,
 755                                         &ec->rx_coalesce_usecs);
 756
 757         ops->get_rx_max_coalesced_frames(
 758                 priv->ae_handle,
 759                 &ec->tx_max_coalesced_frames,
 760                 &ec->rx_max_coalesced_frames);
 761
 762         ops->get_coalesce_range(priv->ae_handle,
 763                                 &ec->tx_max_coalesced_frames_low,
 764                                 &ec->rx_max_coalesced_frames_low,
 765                                 &ec->tx_max_coalesced_frames_high,
 766                                 &ec->rx_max_coalesced_frames_high,
 767                                 &ec->tx_coalesce_usecs_low,
 768                                 &ec->rx_coalesce_usecs_low,
 769                                 &ec->tx_coalesce_usecs_high,
 770                                 &ec->rx_coalesce_usecs_high);
 771
 772         return 0;
 773 }
 774
 775 /**
 776  * hns_set_coalesce - set coalesce info.
 777  * @dev: net device
 778  * @ec: coalesce info.
 779  *
 780  * Return 0 on success, negative on failure.
 781  */
 782 static int hns_set_coalesce(struct net_device *net_dev,
 783                             struct ethtool_coalesce *ec)
 784 {
 785         struct hns_nic_priv *priv = netdev_priv(net_dev);
 786         struct hnae_ae_ops *ops;
 787         int ret;
 788
 789         ops = priv->ae_handle->dev->ops;
 790
 791         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 792                 return -EINVAL;
 793
 794         if (ec->rx_max_coalesced_frames != ec->tx_max_coalesced_frames)
 795                 return -EINVAL;
 796
 797         if ((!ops->set_coalesce_usecs) ||
 798             (!ops->set_coalesce_frames))
 799                 return -ESRCH;
 800
 801         ret = ops->set_coalesce_usecs(priv->ae_handle,
 802                                       ec->rx_coalesce_usecs);
 803         if (ret)
 804                 return ret;
 805
 806         ret = ops->set_coalesce_frames(
 807                 priv->ae_handle,
 808                 ec->rx_max_coalesced_frames);
 809
 810         return ret;
 811 }
 812
 813 /**
 814  * hns_get_channels - get channel info.
 815  * @dev: net device
 816  * @ch: channel info.
 817  */
 818 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 819 {
 820         struct hns_nic_priv *priv = netdev_priv(net_dev);
 821
 822         ch->max_rx = priv->ae_handle->q_num;
 823         ch->max_tx = priv->ae_handle->q_num;
 824
 825         ch->rx_count = priv->ae_handle->q_num;
 826         ch->tx_count = priv->ae_handle->q_num;
 827 }
 828
 829 /**
 830  * get_ethtool_stats - get detail statistics.
 831  * @dev: net device
 832  * @stats: statistics info.
 833  * @data: statistics data.
 834  */
 835 void hns_get_ethtool_stats(struct net_device *netdev,
 836                            struct ethtool_stats *stats, u64 *data)
 837 {
 838         u64 *p = data;
 839         struct hns_nic_priv *priv = netdev_priv(netdev);
 840         struct hnae_handle *h = priv->ae_handle;
 841         const struct rtnl_link_stats64 *net_stats;
 842         struct rtnl_link_stats64 temp;
 843
 844         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 845                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 846                 return;
 847         }
 848
 849         h->dev->ops->update_stats(h, &netdev->stats);
 850
 851         net_stats = dev_get_stats(netdev, &temp);
 852
 853         /* get netdev statistics */
 854         p[0] = net_stats->rx_packets;
 855         p[1] = net_stats->tx_packets;
 856         p[2] = net_stats->rx_bytes;
 857         p[3] = net_stats->tx_bytes;
 858         p[4] = net_stats->rx_errors;
 859         p[5] = net_stats->tx_errors;
 860         p[6] = net_stats->rx_dropped;
 861         p[7] = net_stats->tx_dropped;
 862         p[8] = net_stats->multicast;
 863         p[9] = net_stats->collisions;
 864         p[10] = net_stats->rx_over_errors;
 865         p[11] = net_stats->rx_crc_errors;
 866         p[12] = net_stats->rx_frame_errors;
 867         p[13] = net_stats->rx_fifo_errors;
 868         p[14] = net_stats->rx_missed_errors;
 869         p[15] = net_stats->tx_aborted_errors;
 870         p[16] = net_stats->tx_carrier_errors;
 871         p[17] = net_stats->tx_fifo_errors;
 872         p[18] = net_stats->tx_heartbeat_errors;
 873         p[19] = net_stats->rx_length_errors;
 874         p[20] = net_stats->tx_window_errors;
 875         p[21] = net_stats->rx_compressed;
 876         p[22] = net_stats->tx_compressed;
 877
 878         p[23] = netdev->rx_dropped.counter;
 879         p[24] = netdev->tx_dropped.counter;
 880
 881         p[25] = priv->tx_timeout_count;
 882
 883         /* get driver statistics */
 884         h->dev->ops->get_stats(h, &p[26]);
 885 }
 886
 887 /**
 888  * get_strings: Return a set of strings that describe the requested objects
 889  * @dev: net device
 890  * @stats: string set ID.
 891  * @data: objects data.
 892  */
 893 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 894 {
 895         struct hns_nic_priv *priv = netdev_priv(netdev);
 896         struct hnae_handle *h = priv->ae_handle;
 897         char *buff = (char *)data;
 898
 899         if (!h->dev->ops->get_strings) {
 900                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 901                 return;
 902         }
 903
 904         if (stringset == ETH_SS_TEST) {
 905                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 906                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 907                                ETH_GSTRING_LEN);
 908                         buff += ETH_GSTRING_LEN;
 909                 }
 910                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 911                        ETH_GSTRING_LEN);
 912                 buff += ETH_GSTRING_LEN;
 913                 if ((priv->phy) && (!priv->phy->is_c45))
 914                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 915                                ETH_GSTRING_LEN);
 916
 917         } else {
 918                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 919                 buff = buff + ETH_GSTRING_LEN;
 920                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 921                 buff = buff + ETH_GSTRING_LEN;
 922                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 923                 buff = buff + ETH_GSTRING_LEN;
 924                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 925                 buff = buff + ETH_GSTRING_LEN;
 926                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 927                 buff = buff + ETH_GSTRING_LEN;
 928                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 929                 buff = buff + ETH_GSTRING_LEN;
 930                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 931                 buff = buff + ETH_GSTRING_LEN;
 932                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 933                 buff = buff + ETH_GSTRING_LEN;
 934                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 935                 buff = buff + ETH_GSTRING_LEN;
 936                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 937                 buff = buff + ETH_GSTRING_LEN;
 938                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 939                 buff = buff + ETH_GSTRING_LEN;
 940                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 941                 buff = buff + ETH_GSTRING_LEN;
 942                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 943                 buff = buff + ETH_GSTRING_LEN;
 944                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 945                 buff = buff + ETH_GSTRING_LEN;
 946                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 947                 buff = buff + ETH_GSTRING_LEN;
 948                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 949                 buff = buff + ETH_GSTRING_LEN;
 950                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 951                 buff = buff + ETH_GSTRING_LEN;
 952                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 953                 buff = buff + ETH_GSTRING_LEN;
 954                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 955                 buff = buff + ETH_GSTRING_LEN;
 956                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 957                 buff = buff + ETH_GSTRING_LEN;
 958                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 959                 buff = buff + ETH_GSTRING_LEN;
 960                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 961                 buff = buff + ETH_GSTRING_LEN;
 962                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 963                 buff = buff + ETH_GSTRING_LEN;
 964                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 965                 buff = buff + ETH_GSTRING_LEN;
 966                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 967                 buff = buff + ETH_GSTRING_LEN;
 968
 969                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 970                 buff = buff + ETH_GSTRING_LEN;
 971
 972                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
 973         }
 974 }
 975
 976 /**
 977  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
 978  * @dev: net device
 979  * @stringset: string set index, 0: self test string; 1: statistics string.
 980  *
 981  * Return string set count.
 982  */
 983 int hns_get_sset_count(struct net_device *netdev, int stringset)
 984 {
 985         struct hns_nic_priv *priv = netdev_priv(netdev);
 986         struct hnae_handle *h = priv->ae_handle;
 987         struct hnae_ae_ops *ops = h->dev->ops;
 988
 989         if (!ops->get_sset_count) {
 990                 netdev_err(netdev, "get_sset_count is null!\n");
 991                 return -EOPNOTSUPP;
 992         }
 993         if (stringset == ETH_SS_TEST) {
 994                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
 995
 996                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
 997                         cnt--;
 998
 999                 if ((!priv->phy) || (priv->phy->is_c45))
1000                         cnt--;
1001
1002                 return cnt;
1003         } else {
1004                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1005         }
1006 }
1007
1008 /**
1009  * hns_phy_led_set - set phy LED status.
1010  * @dev: net device
1011  * @value: LED state.
1012  *
1013  * Return 0 on success, negative on failure.
1014  */
1015 int hns_phy_led_set(struct net_device *netdev, int value)
1016 {
1017         int retval;
1018         struct hns_nic_priv *priv = netdev_priv(netdev);
1019         struct phy_device *phy_dev = priv->phy;
1020
1021         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1022         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1023         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1024         if (retval) {
1025                 netdev_err(netdev, "mdiobus_write fail !\n");
1026                 return retval;
1027         }
1028         return 0;
1029 }
1030
1031 /**
1032  * nic_set_phys_id - set phy identify LED.
1033  * @dev: net device
1034  * @state: LED state.
1035  *
1036  * Return 0 on success, negative on failure.
1037  */
1038 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1039 {
1040         struct hns_nic_priv *priv = netdev_priv(netdev);
1041         struct hnae_handle *h = priv->ae_handle;
1042         struct phy_device *phy_dev = priv->phy;
1043         int ret;
1044
1045         if (phy_dev)
1046                 switch (state) {
1047                 case ETHTOOL_ID_ACTIVE:
1048                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1049                                         HNS_PHY_PAGE_LED);
1050                         if (ret)
1051                                 return ret;
1052
1053                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1054
1055                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1056                                         HNS_PHY_PAGE_COPPER);
1057                         if (ret)
1058                                 return ret;
1059                         return 2;
1060                 case ETHTOOL_ID_ON:
1061                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1062                         if (ret)
1063                                 return ret;
1064                         break;
1065                 case ETHTOOL_ID_OFF:
1066                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1067                         if (ret)
1068                                 return ret;
1069                         break;
1070                 case ETHTOOL_ID_INACTIVE:
1071                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1072                                         HNS_PHY_PAGE_LED);
1073                         if (ret)
1074                                 return ret;
1075
1076                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1077                                         priv->phy_led_val);
1078                         if (ret)
1079                                 return ret;
1080
1081                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1082                                         HNS_PHY_PAGE_COPPER);
1083                         if (ret)
1084                                 return ret;
1085                         break;
1086                 default:
1087                         return -EINVAL;
1088                 }
1089         else
1090                 switch (state) {
1091                 case ETHTOOL_ID_ACTIVE:
1092                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1093                 case ETHTOOL_ID_ON:
1094                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1095                 case ETHTOOL_ID_OFF:
1096                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1097                 case ETHTOOL_ID_INACTIVE:
1098                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1099                 default:
1100                         return -EINVAL;
1101                 }
1102
1103         return 0;
1104 }
1105
1106 /**
1107  * hns_get_regs - get net device register
1108  * @dev: net device
1109  * @cmd: ethtool cmd
1110  * @date: register data
1111  */
1112 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1113                   void *data)
1114 {
1115         struct hns_nic_priv *priv = netdev_priv(net_dev);
1116         struct hnae_ae_ops *ops;
1117
1118         ops = priv->ae_handle->dev->ops;
1119
1120         cmd->version = HNS_CHIP_VERSION;
1121         if (!ops->get_regs) {
1122                 netdev_err(net_dev, "ops->get_regs is null!\n");
1123                 return;
1124         }
1125         ops->get_regs(priv->ae_handle, data);
1126 }
1127
1128 /**
1129  * nic_get_regs_len - get total register len.
1130  * @dev: net device
1131  *
1132  * Return total register len.
1133  */
1134 static int hns_get_regs_len(struct net_device *net_dev)
1135 {
1136         u32 reg_num;
1137         struct hns_nic_priv *priv = netdev_priv(net_dev);
1138         struct hnae_ae_ops *ops;
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 }