drivers/net/ethernet/hisilicon/hns/hns

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This source file includes following definitions.
hns_nic_get_link
hns_get_mdix_mode
hns_nic_get_link_ksettings
hns_nic_set_link_ksettings
hns_nic_config_phy_loopback
__lb_setup
__lb_up
__lb_other_process
__lb_clean_rings
__lb_run_test
__lb_down
hns_nic_self_test
hns_nic_get_drvinfo
hns_get_ringparam
hns_get_pauseparam
hns_set_pauseparam
hns_get_coalesce
hns_set_coalesce
hns_get_channels
hns_get_ethtool_stats
hns_get_strings
hns_get_sset_count
hns_phy_led_set
hns_set_phys_id
hns_get_regs
hns_get_regs_len
hns_nic_nway_reset
hns_get_rss_key_size
hns_get_rss_indir_size
hns_get_rss
hns_set_rss
hns_get_rxnfc
hns_ethtool_set_ops
   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2014-2015 Hisilicon Limited.
   4  */
   5 
   6 #include <linux/etherdevice.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/module.h>
   9 #include <linux/platform_device.h>
  10 #include "hns_enet.h"
  11 
  12 #define HNS_PHY_PAGE_MDIX       0
  13 #define HNS_PHY_PAGE_LED        3
  14 #define HNS_PHY_PAGE_COPPER     0
  15 
  16 #define HNS_PHY_PAGE_REG        22      /* Page Selection Reg. */
  17 #define HNS_PHY_CSC_REG         16      /* Copper Specific Control Register */
  18 #define HNS_PHY_CSS_REG         17      /* Copper Specific Status Register */
  19 #define HNS_LED_FC_REG          16      /* LED Function Control Reg. */
  20 #define HNS_LED_PC_REG          17      /* LED Polarity Control Reg. */
  21 
  22 #define HNS_LED_FORCE_ON        9
  23 #define HNS_LED_FORCE_OFF       8
  24 
  25 #define HNS_CHIP_VERSION 660
  26 #define HNS_NET_STATS_CNT 26
  27 
  28 #define PHY_MDIX_CTRL_S         (5)
  29 #define PHY_MDIX_CTRL_M         (3 << PHY_MDIX_CTRL_S)
  30 
  31 #define PHY_MDIX_STATUS_B       (6)
  32 #define PHY_SPEED_DUP_RESOLVE_B (11)
  33 
  34 /**
  35  *hns_nic_get_link - get current link status
  36  *@net_dev: net_device
  37  *retuen 0 - success , negative --fail
  38  */
  39 static u32 hns_nic_get_link(struct net_device *net_dev)
  40 {
  41         struct hns_nic_priv *priv = netdev_priv(net_dev);
  42         u32 link_stat = priv->link;
  43         struct hnae_handle *h;
  44 
  45         h = priv->ae_handle;
  46 
  47         if (net_dev->phydev) {
  48                 if (!genphy_read_status(net_dev->phydev))
  49                         link_stat = net_dev->phydev->link;
  50                 else
  51                         link_stat = 0;
  52         }
  53 
  54         if (h->dev && h->dev->ops && h->dev->ops->get_status)
  55                 link_stat = link_stat && h->dev->ops->get_status(h);
  56         else
  57                 link_stat = 0;
  58 
  59         return link_stat;
  60 }
  61 
  62 static void hns_get_mdix_mode(struct net_device *net_dev,
  63                               struct ethtool_link_ksettings *cmd)
  64 {
  65         int mdix_ctrl, mdix, retval, is_resolved;
  66         struct phy_device *phy_dev = net_dev->phydev;
  67 
  68         if (!phy_dev || !phy_dev->mdio.bus) {
  69                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  70                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
  71                 return;
  72         }
  73 
  74         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
  75 
  76         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
  77         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
  78 
  79         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
  80         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
  81         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
  82 
  83         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
  84 
  85         switch (mdix_ctrl) {
  86         case 0x0:
  87                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
  88                 break;
  89         case 0x1:
  90                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
  91                 break;
  92         case 0x3:
  93                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
  94                 break;
  95         default:
  96                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
  97                 break;
  98         }
  99 
 100         if (!is_resolved)
 101                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 102         else if (mdix)
 103                 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
 104         else
 105                 cmd->base.eth_tp_mdix = ETH_TP_MDI;
 106 }
 107 
 108 /**
 109  *hns_nic_get_link_ksettings - implement ethtool get link ksettings
 110  *@net_dev: net_device
 111  *@cmd: ethtool_link_ksettings
 112  *retuen 0 - success , negative --fail
 113  */
 114 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
 115                                       struct ethtool_link_ksettings *cmd)
 116 {
 117         struct hns_nic_priv *priv = netdev_priv(net_dev);
 118         struct hnae_handle *h;
 119         u32 link_stat;
 120         int ret;
 121         u8 duplex;
 122         u16 speed;
 123         u32 supported, advertising;
 124 
 125         if (!priv || !priv->ae_handle)
 126                 return -ESRCH;
 127 
 128         h = priv->ae_handle;
 129         if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
 130                 return -ESRCH;
 131 
 132         ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
 133         if (ret < 0) {
 134                 netdev_err(net_dev, "%s get_info error!\n", __func__);
 135                 return -EINVAL;
 136         }
 137 
 138         ethtool_convert_link_mode_to_legacy_u32(&supported,
 139                                                 cmd->link_modes.supported);
 140         ethtool_convert_link_mode_to_legacy_u32(&advertising,
 141                                                 cmd->link_modes.advertising);
 142 
 143         /* When there is no phy, autoneg is off. */
 144         cmd->base.autoneg = false;
 145         cmd->base.speed = speed;
 146         cmd->base.duplex = duplex;
 147 
 148         if (net_dev->phydev)
 149                 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
 150 
 151         link_stat = hns_nic_get_link(net_dev);
 152         if (!link_stat) {
 153                 cmd->base.speed = (u32)SPEED_UNKNOWN;
 154                 cmd->base.duplex = DUPLEX_UNKNOWN;
 155         }
 156 
 157         if (cmd->base.autoneg)
 158                 advertising |= ADVERTISED_Autoneg;
 159 
 160         supported |= h->if_support;
 161         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 162                 supported |= SUPPORTED_TP;
 163                 advertising |= ADVERTISED_1000baseT_Full;
 164         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 165                 supported |= SUPPORTED_FIBRE;
 166                 advertising |= ADVERTISED_10000baseKR_Full;
 167         }
 168 
 169         switch (h->media_type) {
 170         case HNAE_MEDIA_TYPE_FIBER:
 171                 cmd->base.port = PORT_FIBRE;
 172                 break;
 173         case HNAE_MEDIA_TYPE_COPPER:
 174                 cmd->base.port = PORT_TP;
 175                 break;
 176         case HNAE_MEDIA_TYPE_UNKNOWN:
 177         default:
 178                 break;
 179         }
 180 
 181         if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
 182                 supported |= SUPPORTED_Pause;
 183 
 184         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 185                                                 supported);
 186         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 187                                                 advertising);
 188 
 189         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
 190         hns_get_mdix_mode(net_dev, cmd);
 191 
 192         return 0;
 193 }
 194 
 195 /**
 196  *hns_nic_set_link_settings - implement ethtool set link ksettings
 197  *@net_dev: net_device
 198  *@cmd: ethtool_link_ksettings
 199  *retuen 0 - success , negative --fail
 200  */
 201 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
 202                                       const struct ethtool_link_ksettings *cmd)
 203 {
 204         struct hns_nic_priv *priv = netdev_priv(net_dev);
 205         struct hnae_handle *h;
 206         u32 speed;
 207 
 208         if (!netif_running(net_dev))
 209                 return -ESRCH;
 210 
 211         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
 212             !priv->ae_handle->dev->ops)
 213                 return -ENODEV;
 214 
 215         h = priv->ae_handle;
 216         speed = cmd->base.speed;
 217 
 218         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
 219                 if (cmd->base.autoneg == AUTONEG_ENABLE ||
 220                     speed != SPEED_10000 ||
 221                     cmd->base.duplex != DUPLEX_FULL)
 222                         return -EINVAL;
 223         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
 224                 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
 225                         return -EINVAL;
 226 
 227                 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 228                         return -EINVAL;
 229                 if (net_dev->phydev)
 230                         return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
 231 
 232                 if ((speed != SPEED_10 && speed != SPEED_100 &&
 233                      speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
 234                      cmd->base.duplex != DUPLEX_FULL))
 235                         return -EINVAL;
 236         } else {
 237                 netdev_err(net_dev, "Not supported!");
 238                 return -ENOTSUPP;
 239         }
 240 
 241         if (h->dev->ops->adjust_link) {
 242                 netif_carrier_off(net_dev);
 243                 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
 244                 netif_carrier_on(net_dev);
 245                 return 0;
 246         }
 247 
 248         netdev_err(net_dev, "Not supported!");
 249         return -ENOTSUPP;
 250 }
 251 
 252 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
 253         "Mac    Loopback test",
 254         "Serdes Loopback test",
 255         "Phy    Loopback test"
 256 };
 257 
 258 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
 259 {
 260         int err;
 261 
 262         if (en) {
 263                 /* Doing phy loopback in offline state, phy resuming is
 264                  * needed to power up the device.
 265                  */
 266                 err = phy_resume(phy_dev);
 267                 if (err)
 268                         goto out;
 269 
 270                 err = phy_loopback(phy_dev, true);
 271         } else {
 272                 err = phy_loopback(phy_dev, false);
 273                 if (err)
 274                         goto out;
 275 
 276                 err = phy_suspend(phy_dev);
 277         }
 278 
 279 out:
 280         return err;
 281 }
 282 
 283 static int __lb_setup(struct net_device *ndev,
 284                       enum hnae_loop loop)
 285 {
 286         int ret = 0;
 287         struct hns_nic_priv *priv = netdev_priv(ndev);
 288         struct phy_device *phy_dev = ndev->phydev;
 289         struct hnae_handle *h = priv->ae_handle;
 290 
 291         switch (loop) {
 292         case MAC_INTERNALLOOP_PHY:
 293                 ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
 294                 if (!ret)
 295                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 296                 break;
 297         case MAC_INTERNALLOOP_MAC:
 298                 if ((h->dev->ops->set_loopback) &&
 299                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
 300                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 301                 break;
 302         case MAC_INTERNALLOOP_SERDES:
 303                 if (h->dev->ops->set_loopback)
 304                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
 305                 break;
 306         case MAC_LOOP_PHY_NONE:
 307                 ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
 308                 /* fall through */
 309         case MAC_LOOP_NONE:
 310                 if (!ret && h->dev->ops->set_loopback) {
 311                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 312                                 ret = h->dev->ops->set_loopback(h,
 313                                         MAC_INTERNALLOOP_MAC, 0x0);
 314 
 315                         if (!ret)
 316                                 ret = h->dev->ops->set_loopback(h,
 317                                         MAC_INTERNALLOOP_SERDES, 0x0);
 318                 }
 319                 break;
 320         default:
 321                 ret = -EINVAL;
 322                 break;
 323         }
 324 
 325         if (!ret) {
 326                 if (loop == MAC_LOOP_NONE)
 327                         h->dev->ops->set_promisc_mode(
 328                                 h, ndev->flags & IFF_PROMISC);
 329                 else
 330                         h->dev->ops->set_promisc_mode(h, 1);
 331         }
 332         return ret;
 333 }
 334 
 335 static int __lb_up(struct net_device *ndev,
 336                    enum hnae_loop loop_mode)
 337 {
 338 #define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
 339         struct hns_nic_priv *priv = netdev_priv(ndev);
 340         struct hnae_handle *h = priv->ae_handle;
 341         int speed, duplex;
 342         int ret;
 343 
 344         hns_nic_net_reset(ndev);
 345 
 346         ret = __lb_setup(ndev, loop_mode);
 347         if (ret)
 348                 return ret;
 349 
 350         msleep(200);
 351 
 352         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
 353         if (ret)
 354                 return ret;
 355 
 356         /* link adjust duplex*/
 357         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
 358                 speed = 1000;
 359         else
 360                 speed = 10000;
 361         duplex = 1;
 362 
 363         h->dev->ops->adjust_link(h, speed, duplex);
 364 
 365         /* wait adjust link done and phy ready */
 366         msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
 367 
 368         return 0;
 369 }
 370 
 371 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 372                                struct sk_buff *skb)
 373 {
 374         struct net_device *ndev;
 375         struct hns_nic_priv *priv;
 376         struct hnae_ring *ring;
 377         struct netdev_queue *dev_queue;
 378         struct sk_buff *new_skb;
 379         unsigned int frame_size;
 380         int check_ok;
 381         u32 i;
 382         char buff[33]; /* 32B data and the last character '\0' */
 383 
 384         if (!ring_data) { /* Just for doing create frame*/
 385                 ndev = skb->dev;
 386                 priv = netdev_priv(ndev);
 387 
 388                 frame_size = skb->len;
 389                 memset(skb->data, 0xFF, frame_size);
 390                 if ((!AE_IS_VER1(priv->enet_ver)) &&
 391                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
 392                         memcpy(skb->data, ndev->dev_addr, 6);
 393                         skb->data[5] += 0x1f;
 394                 }
 395 
 396                 frame_size &= ~1ul;
 397                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 398                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
 399                        frame_size / 2 - 11);
 400                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
 401                        frame_size / 2 - 13);
 402                 return;
 403         }
 404 
 405         ring = ring_data->ring;
 406         ndev = ring_data->napi.dev;
 407         if (is_tx_ring(ring)) { /* for tx queue reset*/
 408                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
 409                 netdev_tx_reset_queue(dev_queue);
 410                 return;
 411         }
 412 
 413         frame_size = skb->len;
 414         frame_size &= ~1ul;
 415         /* for mutl buffer*/
 416         new_skb = skb_copy(skb, GFP_ATOMIC);
 417         dev_kfree_skb_any(skb);
 418         skb = new_skb;
 419 
 420         check_ok = 0;
 421         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
 422                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 423                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
 424                         check_ok = 1;
 425         }
 426 
 427         if (check_ok) {
 428                 ndev->stats.rx_packets++;
 429                 ndev->stats.rx_bytes += skb->len;
 430         } else {
 431                 ndev->stats.rx_frame_errors++;
 432                 for (i = 0; i < skb->len; i++) {
 433                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
 434                                  "%02x", *(skb->data + i));
 435                         if ((i % 16 == 15) || (i == skb->len - 1))
 436                                 pr_info("%s\n", buff);
 437                 }
 438         }
 439         dev_kfree_skb_any(skb);
 440 }
 441 
 442 static int __lb_clean_rings(struct hns_nic_priv *priv,
 443                             int ringid0, int ringid1, int budget)
 444 {
 445         int i, ret;
 446         struct hns_nic_ring_data *ring_data;
 447         struct net_device *ndev = priv->netdev;
 448         unsigned long rx_packets = ndev->stats.rx_packets;
 449         unsigned long rx_bytes = ndev->stats.rx_bytes;
 450         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
 451 
 452         for (i = ringid0; i <= ringid1; i++) {
 453                 ring_data = &priv->ring_data[i];
 454                 (void)ring_data->poll_one(ring_data,
 455                                           budget, __lb_other_process);
 456         }
 457         ret = (int)(ndev->stats.rx_packets - rx_packets);
 458         ndev->stats.rx_packets = rx_packets;
 459         ndev->stats.rx_bytes = rx_bytes;
 460         ndev->stats.rx_frame_errors = rx_frame_errors;
 461         return ret;
 462 }
 463 
 464 /**
 465  * nic_run_loopback_test -  run loopback test
 466  * @nic_dev: net device
 467  * @loopback_type: loopback type
 468  */
 469 static int __lb_run_test(struct net_device *ndev,
 470                          enum hnae_loop loop_mode)
 471 {
 472 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
 473 #define NIC_LB_TEST_RING_ID 0
 474 #define NIC_LB_TEST_FRAME_SIZE 128
 475 /* nic loopback test err  */
 476 #define NIC_LB_TEST_NO_MEM_ERR 1
 477 #define NIC_LB_TEST_TX_CNT_ERR 2
 478 #define NIC_LB_TEST_RX_CNT_ERR 3
 479 #define NIC_LB_TEST_RX_PKG_ERR 4
 480         struct hns_nic_priv *priv = netdev_priv(ndev);
 481         struct hnae_handle *h = priv->ae_handle;
 482         int i, j, lc, good_cnt, ret_val = 0;
 483         unsigned int size;
 484         netdev_tx_t tx_ret_val;
 485         struct sk_buff *skb;
 486 
 487         size = NIC_LB_TEST_FRAME_SIZE;
 488         /* allocate test skb */
 489         skb = alloc_skb(size, GFP_KERNEL);
 490         if (!skb)
 491                 return NIC_LB_TEST_NO_MEM_ERR;
 492 
 493         /* place data into test skb */
 494         (void)skb_put(skb, size);
 495         skb->dev = ndev;
 496         __lb_other_process(NULL, skb);
 497         skb->queue_mapping = NIC_LB_TEST_RING_ID;
 498 
 499         lc = 1;
 500         for (j = 0; j < lc; j++) {
 501                 /* reset count of good packets */
 502                 good_cnt = 0;
 503                 /* place 64 packets on the transmit queue*/
 504                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
 505                         (void)skb_get(skb);
 506 
 507                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
 508                                 ndev, skb,
 509                                 &tx_ring_data(priv, skb->queue_mapping));
 510                         if (tx_ret_val == NETDEV_TX_OK)
 511                                 good_cnt++;
 512                         else
 513                                 break;
 514                 }
 515                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 516                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
 517                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
 518                                 hns_nic_test_strs[loop_mode], good_cnt,
 519                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 520                         break;
 521                 }
 522 
 523                 /* allow 100 milliseconds for packets to go from Tx to Rx */
 524                 msleep(100);
 525 
 526                 good_cnt = __lb_clean_rings(priv,
 527                                             h->q_num, h->q_num * 2 - 1,
 528                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 529                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
 530                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
 531                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
 532                                 hns_nic_test_strs[loop_mode], good_cnt,
 533                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 534                         break;
 535                 }
 536                 (void)__lb_clean_rings(priv,
 537                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
 538                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
 539         }
 540 
 541         /* free the original skb */
 542         kfree_skb(skb);
 543 
 544         return ret_val;
 545 }
 546 
 547 static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
 548 {
 549         struct hns_nic_priv *priv = netdev_priv(ndev);
 550         struct hnae_handle *h = priv->ae_handle;
 551         int ret;
 552 
 553         if (loop == MAC_INTERNALLOOP_PHY)
 554                 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
 555         else
 556                 ret = __lb_setup(ndev, MAC_LOOP_NONE);
 557         if (ret)
 558                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
 559                            __func__,
 560                            ret);
 561 
 562         if (h->dev->ops->stop)
 563                 h->dev->ops->stop(h);
 564 
 565         usleep_range(10000, 20000);
 566         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
 567 
 568         hns_nic_net_reset(ndev);
 569 
 570         return 0;
 571 }
 572 
 573 /**
 574  * hns_nic_self_test - self test
 575  * @dev: net device
 576  * @eth_test: test cmd
 577  * @data: test result
 578  */
 579 static void hns_nic_self_test(struct net_device *ndev,
 580                               struct ethtool_test *eth_test, u64 *data)
 581 {
 582         struct hns_nic_priv *priv = netdev_priv(ndev);
 583         bool if_running = netif_running(ndev);
 584 #define SELF_TEST_TPYE_NUM 3
 585         int st_param[SELF_TEST_TPYE_NUM][2];
 586         int i;
 587         int test_index = 0;
 588 
 589         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
 590         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
 591         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
 592         st_param[1][1] = 1; /*serdes must exist*/
 593         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
 594         st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
 595                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
 596 
 597         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 598                 set_bit(NIC_STATE_TESTING, &priv->state);
 599 
 600                 if (if_running)
 601                         dev_close(ndev);
 602 
 603                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
 604                         if (!st_param[i][1])
 605                                 continue;       /* NEXT testing */
 606 
 607                         data[test_index] = __lb_up(ndev,
 608                                 (enum hnae_loop)st_param[i][0]);
 609                         if (!data[test_index]) {
 610                                 data[test_index] = __lb_run_test(
 611                                         ndev, (enum hnae_loop)st_param[i][0]);
 612                                 (void)__lb_down(ndev,
 613                                                 (enum hnae_loop)st_param[i][0]);
 614                         }
 615 
 616                         if (data[test_index])
 617                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 618 
 619                         test_index++;
 620                 }
 621 
 622                 hns_nic_net_reset(priv->netdev);
 623 
 624                 clear_bit(NIC_STATE_TESTING, &priv->state);
 625 
 626                 if (if_running)
 627                         (void)dev_open(ndev, NULL);
 628         }
 629         /* Online tests aren't run; pass by default */
 630 
 631         (void)msleep_interruptible(4 * 1000);
 632 }
 633 
 634 /**
 635  * hns_nic_get_drvinfo - get net driver info
 636  * @dev: net device
 637  * @drvinfo: driver info
 638  */
 639 static void hns_nic_get_drvinfo(struct net_device *net_dev,
 640                                 struct ethtool_drvinfo *drvinfo)
 641 {
 642         struct hns_nic_priv *priv = netdev_priv(net_dev);
 643 
 644         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
 645                 sizeof(drvinfo->version));
 646         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 647 
 648         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
 649         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 650 
 651         strncpy(drvinfo->bus_info, priv->dev->bus->name,
 652                 sizeof(drvinfo->bus_info));
 653         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 654 
 655         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
 656         drvinfo->eedump_len = 0;
 657 }
 658 
 659 /**
 660  * hns_get_ringparam - get ring parameter
 661  * @dev: net device
 662  * @param: ethtool parameter
 663  */
 664 static void hns_get_ringparam(struct net_device *net_dev,
 665                               struct ethtool_ringparam *param)
 666 {
 667         struct hns_nic_priv *priv = netdev_priv(net_dev);
 668         struct hnae_ae_ops *ops;
 669         struct hnae_queue *queue;
 670         u32 uplimit = 0;
 671 
 672         queue = priv->ae_handle->qs[0];
 673         ops = priv->ae_handle->dev->ops;
 674 
 675         if (ops->get_ring_bdnum_limit)
 676                 ops->get_ring_bdnum_limit(queue, &uplimit);
 677 
 678         param->rx_max_pending = uplimit;
 679         param->tx_max_pending = uplimit;
 680         param->rx_pending = queue->rx_ring.desc_num;
 681         param->tx_pending = queue->tx_ring.desc_num;
 682 }
 683 
 684 /**
 685  * hns_get_pauseparam - get pause parameter
 686  * @dev: net device
 687  * @param: pause parameter
 688  */
 689 static void hns_get_pauseparam(struct net_device *net_dev,
 690                                struct ethtool_pauseparam *param)
 691 {
 692         struct hns_nic_priv *priv = netdev_priv(net_dev);
 693         struct hnae_ae_ops *ops;
 694 
 695         ops = priv->ae_handle->dev->ops;
 696 
 697         if (ops->get_pauseparam)
 698                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
 699                                             &param->rx_pause, &param->tx_pause);
 700 }
 701 
 702 /**
 703  * hns_set_pauseparam - set pause parameter
 704  * @dev: net device
 705  * @param: pause parameter
 706  *
 707  * Return 0 on success, negative on failure
 708  */
 709 static int hns_set_pauseparam(struct net_device *net_dev,
 710                               struct ethtool_pauseparam *param)
 711 {
 712         struct hns_nic_priv *priv = netdev_priv(net_dev);
 713         struct hnae_handle *h;
 714         struct hnae_ae_ops *ops;
 715 
 716         h = priv->ae_handle;
 717         ops = h->dev->ops;
 718 
 719         if (!ops->set_pauseparam)
 720                 return -ESRCH;
 721 
 722         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
 723                                    param->rx_pause, param->tx_pause);
 724 }
 725 
 726 /**
 727  * hns_get_coalesce - get coalesce info.
 728  * @dev: net device
 729  * @ec: coalesce info.
 730  *
 731  * Return 0 on success, negative on failure.
 732  */
 733 static int hns_get_coalesce(struct net_device *net_dev,
 734                             struct ethtool_coalesce *ec)
 735 {
 736         struct hns_nic_priv *priv = netdev_priv(net_dev);
 737         struct hnae_ae_ops *ops;
 738 
 739         ops = priv->ae_handle->dev->ops;
 740 
 741         ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
 742         ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
 743 
 744         if ((!ops->get_coalesce_usecs) ||
 745             (!ops->get_max_coalesced_frames))
 746                 return -ESRCH;
 747 
 748         ops->get_coalesce_usecs(priv->ae_handle,
 749                                         &ec->tx_coalesce_usecs,
 750                                         &ec->rx_coalesce_usecs);
 751 
 752         ops->get_max_coalesced_frames(
 753                 priv->ae_handle,
 754                 &ec->tx_max_coalesced_frames,
 755                 &ec->rx_max_coalesced_frames);
 756 
 757         ops->get_coalesce_range(priv->ae_handle,
 758                                 &ec->tx_max_coalesced_frames_low,
 759                                 &ec->rx_max_coalesced_frames_low,
 760                                 &ec->tx_max_coalesced_frames_high,
 761                                 &ec->rx_max_coalesced_frames_high,
 762                                 &ec->tx_coalesce_usecs_low,
 763                                 &ec->rx_coalesce_usecs_low,
 764                                 &ec->tx_coalesce_usecs_high,
 765                                 &ec->rx_coalesce_usecs_high);
 766 
 767         return 0;
 768 }
 769 
 770 /**
 771  * hns_set_coalesce - set coalesce info.
 772  * @dev: net device
 773  * @ec: coalesce info.
 774  *
 775  * Return 0 on success, negative on failure.
 776  */
 777 static int hns_set_coalesce(struct net_device *net_dev,
 778                             struct ethtool_coalesce *ec)
 779 {
 780         struct hns_nic_priv *priv = netdev_priv(net_dev);
 781         struct hnae_ae_ops *ops;
 782         int rc1, rc2;
 783 
 784         ops = priv->ae_handle->dev->ops;
 785 
 786         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
 787                 return -EINVAL;
 788 
 789         if ((!ops->set_coalesce_usecs) ||
 790             (!ops->set_coalesce_frames))
 791                 return -ESRCH;
 792 
 793         if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
 794                 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
 795 
 796         rc1 = ops->set_coalesce_usecs(priv->ae_handle,
 797                                       ec->rx_coalesce_usecs);
 798 
 799         rc2 = ops->set_coalesce_frames(priv->ae_handle,
 800                                        ec->tx_max_coalesced_frames,
 801                                        ec->rx_max_coalesced_frames);
 802 
 803         if (rc1 || rc2)
 804                 return -EINVAL;
 805 
 806         return 0;
 807 }
 808 
 809 /**
 810  * hns_get_channels - get channel info.
 811  * @dev: net device
 812  * @ch: channel info.
 813  */
 814 static void
 815 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
 816 {
 817         struct hns_nic_priv *priv = netdev_priv(net_dev);
 818 
 819         ch->max_rx = priv->ae_handle->q_num;
 820         ch->max_tx = priv->ae_handle->q_num;
 821 
 822         ch->rx_count = priv->ae_handle->q_num;
 823         ch->tx_count = priv->ae_handle->q_num;
 824 }
 825 
 826 /**
 827  * get_ethtool_stats - get detail statistics.
 828  * @dev: net device
 829  * @stats: statistics info.
 830  * @data: statistics data.
 831  */
 832 static void hns_get_ethtool_stats(struct net_device *netdev,
 833                                   struct ethtool_stats *stats, u64 *data)
 834 {
 835         u64 *p = data;
 836         struct hns_nic_priv *priv = netdev_priv(netdev);
 837         struct hnae_handle *h = priv->ae_handle;
 838         const struct rtnl_link_stats64 *net_stats;
 839         struct rtnl_link_stats64 temp;
 840 
 841         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
 842                 netdev_err(netdev, "get_stats or update_stats is null!\n");
 843                 return;
 844         }
 845 
 846         h->dev->ops->update_stats(h, &netdev->stats);
 847 
 848         net_stats = dev_get_stats(netdev, &temp);
 849 
 850         /* get netdev statistics */
 851         p[0] = net_stats->rx_packets;
 852         p[1] = net_stats->tx_packets;
 853         p[2] = net_stats->rx_bytes;
 854         p[3] = net_stats->tx_bytes;
 855         p[4] = net_stats->rx_errors;
 856         p[5] = net_stats->tx_errors;
 857         p[6] = net_stats->rx_dropped;
 858         p[7] = net_stats->tx_dropped;
 859         p[8] = net_stats->multicast;
 860         p[9] = net_stats->collisions;
 861         p[10] = net_stats->rx_over_errors;
 862         p[11] = net_stats->rx_crc_errors;
 863         p[12] = net_stats->rx_frame_errors;
 864         p[13] = net_stats->rx_fifo_errors;
 865         p[14] = net_stats->rx_missed_errors;
 866         p[15] = net_stats->tx_aborted_errors;
 867         p[16] = net_stats->tx_carrier_errors;
 868         p[17] = net_stats->tx_fifo_errors;
 869         p[18] = net_stats->tx_heartbeat_errors;
 870         p[19] = net_stats->rx_length_errors;
 871         p[20] = net_stats->tx_window_errors;
 872         p[21] = net_stats->rx_compressed;
 873         p[22] = net_stats->tx_compressed;
 874 
 875         p[23] = netdev->rx_dropped.counter;
 876         p[24] = netdev->tx_dropped.counter;
 877 
 878         p[25] = priv->tx_timeout_count;
 879 
 880         /* get driver statistics */
 881         h->dev->ops->get_stats(h, &p[26]);
 882 }
 883 
 884 /**
 885  * get_strings: Return a set of strings that describe the requested objects
 886  * @dev: net device
 887  * @stats: string set ID.
 888  * @data: objects data.
 889  */
 890 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 891 {
 892         struct hns_nic_priv *priv = netdev_priv(netdev);
 893         struct hnae_handle *h = priv->ae_handle;
 894         char *buff = (char *)data;
 895 
 896         if (!h->dev->ops->get_strings) {
 897                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
 898                 return;
 899         }
 900 
 901         if (stringset == ETH_SS_TEST) {
 902                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
 903                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
 904                                ETH_GSTRING_LEN);
 905                         buff += ETH_GSTRING_LEN;
 906                 }
 907                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
 908                        ETH_GSTRING_LEN);
 909                 buff += ETH_GSTRING_LEN;
 910                 if ((netdev->phydev) && (!netdev->phydev->is_c45))
 911                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
 912                                ETH_GSTRING_LEN);
 913 
 914         } else {
 915                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
 916                 buff = buff + ETH_GSTRING_LEN;
 917                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
 918                 buff = buff + ETH_GSTRING_LEN;
 919                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
 920                 buff = buff + ETH_GSTRING_LEN;
 921                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
 922                 buff = buff + ETH_GSTRING_LEN;
 923                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
 924                 buff = buff + ETH_GSTRING_LEN;
 925                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
 926                 buff = buff + ETH_GSTRING_LEN;
 927                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
 928                 buff = buff + ETH_GSTRING_LEN;
 929                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
 930                 buff = buff + ETH_GSTRING_LEN;
 931                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
 932                 buff = buff + ETH_GSTRING_LEN;
 933                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
 934                 buff = buff + ETH_GSTRING_LEN;
 935                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
 936                 buff = buff + ETH_GSTRING_LEN;
 937                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
 938                 buff = buff + ETH_GSTRING_LEN;
 939                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
 940                 buff = buff + ETH_GSTRING_LEN;
 941                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
 942                 buff = buff + ETH_GSTRING_LEN;
 943                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
 944                 buff = buff + ETH_GSTRING_LEN;
 945                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
 946                 buff = buff + ETH_GSTRING_LEN;
 947                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
 948                 buff = buff + ETH_GSTRING_LEN;
 949                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
 950                 buff = buff + ETH_GSTRING_LEN;
 951                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
 952                 buff = buff + ETH_GSTRING_LEN;
 953                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
 954                 buff = buff + ETH_GSTRING_LEN;
 955                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
 956                 buff = buff + ETH_GSTRING_LEN;
 957                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
 958                 buff = buff + ETH_GSTRING_LEN;
 959                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
 960                 buff = buff + ETH_GSTRING_LEN;
 961                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
 962                 buff = buff + ETH_GSTRING_LEN;
 963                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
 964                 buff = buff + ETH_GSTRING_LEN;
 965 
 966                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
 967                 buff = buff + ETH_GSTRING_LEN;
 968 
 969                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
 970         }
 971 }
 972 
 973 /**
 974  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
 975  * @dev: net device
 976  * @stringset: string set index, 0: self test string; 1: statistics string.
 977  *
 978  * Return string set count.
 979  */
 980 static int hns_get_sset_count(struct net_device *netdev, int stringset)
 981 {
 982         struct hns_nic_priv *priv = netdev_priv(netdev);
 983         struct hnae_handle *h = priv->ae_handle;
 984         struct hnae_ae_ops *ops = h->dev->ops;
 985 
 986         if (!ops->get_sset_count) {
 987                 netdev_err(netdev, "get_sset_count is null!\n");
 988                 return -EOPNOTSUPP;
 989         }
 990         if (stringset == ETH_SS_TEST) {
 991                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
 992 
 993                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
 994                         cnt--;
 995 
 996                 if ((!netdev->phydev) || (netdev->phydev->is_c45))
 997                         cnt--;
 998 
 999                 return cnt;
1000         } else if (stringset == ETH_SS_STATS) {
1001                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1002         } else {
1003                 return -EOPNOTSUPP;
1004         }
1005 }
1006 
1007 /**
1008  * hns_phy_led_set - set phy LED status.
1009  * @dev: net device
1010  * @value: LED state.
1011  *
1012  * Return 0 on success, negative on failure.
1013  */
1014 static int hns_phy_led_set(struct net_device *netdev, int value)
1015 {
1016         int retval;
1017         struct phy_device *phy_dev = netdev->phydev;
1018 
1019         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1020         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1021         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1022         if (retval) {
1023                 netdev_err(netdev, "mdiobus_write fail !\n");
1024                 return retval;
1025         }
1026         return 0;
1027 }
1028 
1029 /**
1030  * nic_set_phys_id - set phy identify LED.
1031  * @dev: net device
1032  * @state: LED state.
1033  *
1034  * Return 0 on success, negative on failure.
1035  */
1036 static int
1037 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1038 {
1039         struct hns_nic_priv *priv = netdev_priv(netdev);
1040         struct hnae_handle *h = priv->ae_handle;
1041         struct phy_device *phy_dev = netdev->phydev;
1042         int ret;
1043 
1044         if (phy_dev)
1045                 switch (state) {
1046                 case ETHTOOL_ID_ACTIVE:
1047                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1048                                         HNS_PHY_PAGE_LED);
1049                         if (ret)
1050                                 return ret;
1051 
1052                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1053 
1054                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1055                                         HNS_PHY_PAGE_COPPER);
1056                         if (ret)
1057                                 return ret;
1058                         return 2;
1059                 case ETHTOOL_ID_ON:
1060                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1061                         if (ret)
1062                                 return ret;
1063                         break;
1064                 case ETHTOOL_ID_OFF:
1065                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1066                         if (ret)
1067                                 return ret;
1068                         break;
1069                 case ETHTOOL_ID_INACTIVE:
1070                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1071                                         HNS_PHY_PAGE_LED);
1072                         if (ret)
1073                                 return ret;
1074 
1075                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1076                                         priv->phy_led_val);
1077                         if (ret)
1078                                 return ret;
1079 
1080                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1081                                         HNS_PHY_PAGE_COPPER);
1082                         if (ret)
1083                                 return ret;
1084                         break;
1085                 default:
1086                         return -EINVAL;
1087                 }
1088         else
1089                 switch (state) {
1090                 case ETHTOOL_ID_ACTIVE:
1091                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1092                 case ETHTOOL_ID_ON:
1093                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1094                 case ETHTOOL_ID_OFF:
1095                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1096                 case ETHTOOL_ID_INACTIVE:
1097                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1098                 default:
1099                         return -EINVAL;
1100                 }
1101 
1102         return 0;
1103 }
1104 
1105 /**
1106  * hns_get_regs - get net device register
1107  * @dev: net device
1108  * @cmd: ethtool cmd
1109  * @date: register data
1110  */
1111 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1112                          void *data)
1113 {
1114         struct hns_nic_priv *priv = netdev_priv(net_dev);
1115         struct hnae_ae_ops *ops;
1116 
1117         ops = priv->ae_handle->dev->ops;
1118 
1119         cmd->version = HNS_CHIP_VERSION;
1120         if (!ops->get_regs) {
1121                 netdev_err(net_dev, "ops->get_regs is null!\n");
1122                 return;
1123         }
1124         ops->get_regs(priv->ae_handle, data);
1125 }
1126 
1127 /**
1128  * nic_get_regs_len - get total register len.
1129  * @dev: net device
1130  *
1131  * Return total register len.
1132  */
1133 static int hns_get_regs_len(struct net_device *net_dev)
1134 {
1135         u32 reg_num;
1136         struct hns_nic_priv *priv = netdev_priv(net_dev);
1137         struct hnae_ae_ops *ops;
1138 
1139         ops = priv->ae_handle->dev->ops;
1140         if (!ops->get_regs_len) {
1141                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1142                 return -EOPNOTSUPP;
1143         }
1144 
1145         reg_num = ops->get_regs_len(priv->ae_handle);
1146         if (reg_num > 0)
1147                 return reg_num * sizeof(u32);
1148         else
1149                 return reg_num; /* error code */
1150 }
1151 
1152 /**
1153  * hns_nic_nway_reset - nway reset
1154  * @dev: net device
1155  *
1156  * Return 0 on success, negative on failure
1157  */
1158 static int hns_nic_nway_reset(struct net_device *netdev)
1159 {
1160         struct phy_device *phy = netdev->phydev;
1161 
1162         if (!netif_running(netdev))
1163                 return 0;
1164 
1165         if (!phy)
1166                 return -EOPNOTSUPP;
1167 
1168         if (phy->autoneg != AUTONEG_ENABLE)
1169                 return -EINVAL;
1170 
1171         return genphy_restart_aneg(phy);
1172 }
1173 
1174 static u32
1175 hns_get_rss_key_size(struct net_device *netdev)
1176 {
1177         struct hns_nic_priv *priv = netdev_priv(netdev);
1178         struct hnae_ae_ops *ops;
1179 
1180         if (AE_IS_VER1(priv->enet_ver)) {
1181                 netdev_err(netdev,
1182                            "RSS feature is not supported on this hardware\n");
1183                 return 0;
1184         }
1185 
1186         ops = priv->ae_handle->dev->ops;
1187         return ops->get_rss_key_size(priv->ae_handle);
1188 }
1189 
1190 static u32
1191 hns_get_rss_indir_size(struct net_device *netdev)
1192 {
1193         struct hns_nic_priv *priv = netdev_priv(netdev);
1194         struct hnae_ae_ops *ops;
1195 
1196         if (AE_IS_VER1(priv->enet_ver)) {
1197                 netdev_err(netdev,
1198                            "RSS feature is not supported on this hardware\n");
1199                 return 0;
1200         }
1201 
1202         ops = priv->ae_handle->dev->ops;
1203         return ops->get_rss_indir_size(priv->ae_handle);
1204 }
1205 
1206 static int
1207 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1208 {
1209         struct hns_nic_priv *priv = netdev_priv(netdev);
1210         struct hnae_ae_ops *ops;
1211 
1212         if (AE_IS_VER1(priv->enet_ver)) {
1213                 netdev_err(netdev,
1214                            "RSS feature is not supported on this hardware\n");
1215                 return -EOPNOTSUPP;
1216         }
1217 
1218         ops = priv->ae_handle->dev->ops;
1219 
1220         if (!indir)
1221                 return 0;
1222 
1223         return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1224 }
1225 
1226 static int
1227 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1228             const u8 hfunc)
1229 {
1230         struct hns_nic_priv *priv = netdev_priv(netdev);
1231         struct hnae_ae_ops *ops;
1232 
1233         if (AE_IS_VER1(priv->enet_ver)) {
1234                 netdev_err(netdev,
1235                            "RSS feature is not supported on this hardware\n");
1236                 return -EOPNOTSUPP;
1237         }
1238 
1239         ops = priv->ae_handle->dev->ops;
1240 
1241         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
1242                 netdev_err(netdev, "Invalid hfunc!\n");
1243                 return -EOPNOTSUPP;
1244         }
1245 
1246         return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1247 }
1248 
1249 static int hns_get_rxnfc(struct net_device *netdev,
1250                          struct ethtool_rxnfc *cmd,
1251                          u32 *rule_locs)
1252 {
1253         struct hns_nic_priv *priv = netdev_priv(netdev);
1254 
1255         switch (cmd->cmd) {
1256         case ETHTOOL_GRXRINGS:
1257                 cmd->data = priv->ae_handle->q_num;
1258                 break;
1259         default:
1260                 return -EOPNOTSUPP;
1261         }
1262 
1263         return 0;
1264 }
1265 
1266 static const struct ethtool_ops hns_ethtool_ops = {
1267         .get_drvinfo = hns_nic_get_drvinfo,
1268         .get_link  = hns_nic_get_link,
1269         .get_ringparam = hns_get_ringparam,
1270         .get_pauseparam = hns_get_pauseparam,
1271         .set_pauseparam = hns_set_pauseparam,
1272         .get_coalesce = hns_get_coalesce,
1273         .set_coalesce = hns_set_coalesce,
1274         .get_channels = hns_get_channels,
1275         .self_test = hns_nic_self_test,
1276         .get_strings = hns_get_strings,
1277         .get_sset_count = hns_get_sset_count,
1278         .get_ethtool_stats = hns_get_ethtool_stats,
1279         .set_phys_id = hns_set_phys_id,
1280         .get_regs_len = hns_get_regs_len,
1281         .get_regs = hns_get_regs,
1282         .nway_reset = hns_nic_nway_reset,
1283         .get_rxfh_key_size = hns_get_rss_key_size,
1284         .get_rxfh_indir_size = hns_get_rss_indir_size,
1285         .get_rxfh = hns_get_rss,
1286         .set_rxfh = hns_set_rss,
1287         .get_rxnfc = hns_get_rxnfc,
1288         .get_link_ksettings  = hns_nic_get_link_ksettings,
1289         .set_link_ksettings  = hns_nic_set_link_ksettings,
1290 };
1291 
1292 void hns_ethtool_set_ops(struct net_device *ndev)
1293 {
1294         ndev->ethtool_ops = &hns_ethtool_ops;
1295 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c

DEFINITIONS
