drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright (c) 2016-2017 Hisilicon Limited.
   3
   4 #include <linux/etherdevice.h>
   5 #include <linux/string.h>
   6 #include <linux/phy.h>
   7
   8 #include "hns3_enet.h"
   9
  10 struct hns3_stats {
  11         char stats_string[ETH_GSTRING_LEN];
  12         int stats_offset;
  13 };
  14
  15 /* tqp related stats */
  16 #define HNS3_TQP_STAT(_string, _member) {                       \
  17         .stats_string = _string,                                \
  18         .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
  19                         offsetof(struct ring_stats, _member),   \
  20 }
  21
  22 static const struct hns3_stats hns3_txq_stats[] = {
  23         /* Tx per-queue statistics */
  24         HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
  25         HNS3_TQP_STAT("tx_dropped", sw_err_cnt),
  26         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  27         HNS3_TQP_STAT("packets", tx_pkts),
  28         HNS3_TQP_STAT("bytes", tx_bytes),
  29         HNS3_TQP_STAT("errors", tx_err_cnt),
  30         HNS3_TQP_STAT("tx_wake", restart_queue),
  31         HNS3_TQP_STAT("tx_busy", tx_busy),
  32 };
  33
  34 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
  35
  36 static const struct hns3_stats hns3_rxq_stats[] = {
  37         /* Rx per-queue statistics */
  38         HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
  39         HNS3_TQP_STAT("rx_dropped", sw_err_cnt),
  40         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  41         HNS3_TQP_STAT("packets", rx_pkts),
  42         HNS3_TQP_STAT("bytes", rx_bytes),
  43         HNS3_TQP_STAT("errors", rx_err_cnt),
  44         HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
  45         HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
  46         HNS3_TQP_STAT("non_vld_descs", non_vld_descs),
  47         HNS3_TQP_STAT("err_bd_num", err_bd_num),
  48         HNS3_TQP_STAT("l2_err", l2_err),
  49         HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
  50 };
  51
  52 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
  53
  54 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
  55
  56 #define HNS3_SELF_TEST_TYPE_NUM         2
  57 #define HNS3_NIC_LB_TEST_PKT_NUM        1
  58 #define HNS3_NIC_LB_TEST_RING_ID        0
  59 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  60
  61 /* Nic loopback test err  */
  62 #define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
  63 #define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
  64 #define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
  65
  66 struct hns3_link_mode_mapping {
  67         u32 hns3_link_mode;
  68         u32 ethtool_link_mode;
  69 };
  70
  71 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
  72 {
  73         struct hnae3_handle *h = hns3_get_handle(ndev);
  74         int ret;
  75
  76         if (!h->ae_algo->ops->set_loopback ||
  77             !h->ae_algo->ops->set_promisc_mode)
  78                 return -EOPNOTSUPP;
  79
  80         switch (loop) {
  81         case HNAE3_MAC_INTER_LOOP_SERDES:
  82         case HNAE3_MAC_INTER_LOOP_MAC:
  83                 ret = h->ae_algo->ops->set_loopback(h, loop, en);
  84                 break;
  85         default:
  86                 ret = -ENOTSUPP;
  87                 break;
  88         }
  89
  90         if (ret)
  91                 return ret;
  92
  93         h->ae_algo->ops->set_promisc_mode(h, en, en);
  94
  95         return ret;
  96 }
  97
  98 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
  99 {
 100         struct hnae3_handle *h = hns3_get_handle(ndev);
 101         int ret;
 102
 103         ret = hns3_nic_reset_all_ring(h);
 104         if (ret)
 105                 return ret;
 106
 107         ret = hns3_lp_setup(ndev, loop_mode, true);
 108         usleep_range(10000, 20000);
 109
 110         return 0;
 111 }
 112
 113 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 114 {
 115         int ret;
 116
 117         ret = hns3_lp_setup(ndev, loop_mode, false);
 118         if (ret) {
 119                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 120                 return ret;
 121         }
 122
 123         usleep_range(10000, 20000);
 124
 125         return 0;
 126 }
 127
 128 static void hns3_lp_setup_skb(struct sk_buff *skb)
 129 {
 130         struct net_device *ndev = skb->dev;
 131         unsigned char *packet;
 132         struct ethhdr *ethh;
 133         unsigned int i;
 134
 135         skb_reserve(skb, NET_IP_ALIGN);
 136         ethh = skb_put(skb, sizeof(struct ethhdr));
 137         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 138
 139         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 140         ethh->h_dest[5] += 0x1f;
 141         eth_zero_addr(ethh->h_source);
 142         ethh->h_proto = htons(ETH_P_ARP);
 143         skb_reset_mac_header(skb);
 144
 145         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 146                 packet[i] = (unsigned char)(i & 0xff);
 147 }
 148
 149 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 150                                    struct sk_buff *skb)
 151 {
 152         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 153         unsigned char *packet = skb->data;
 154         u32 len = skb_headlen(skb);
 155         u32 i;
 156
 157         len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
 158
 159         for (i = 0; i < len; i++)
 160                 if (packet[i] != (unsigned char)(i & 0xff))
 161                         break;
 162
 163         /* The packet is correctly received */
 164         if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
 165                 tqp_vector->rx_group.total_packets++;
 166         else
 167                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 168                                skb->data, len, true);
 169
 170         dev_kfree_skb_any(skb);
 171 }
 172
 173 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 174 {
 175         struct hnae3_handle *h = priv->ae_handle;
 176         struct hnae3_knic_private_info *kinfo;
 177         u32 i, rcv_good_pkt_total = 0;
 178
 179         kinfo = &h->kinfo;
 180         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 181                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 182                 struct hns3_enet_ring_group *rx_group;
 183                 u64 pre_rx_pkt;
 184
 185                 rx_group = &ring->tqp_vector->rx_group;
 186                 pre_rx_pkt = rx_group->total_packets;
 187
 188                 preempt_disable();
 189                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 190                 preempt_enable();
 191
 192                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 193                 rx_group->total_packets = pre_rx_pkt;
 194         }
 195         return rcv_good_pkt_total;
 196 }
 197
 198 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 199                                   u32 end_ringid, u32 budget)
 200 {
 201         u32 i;
 202
 203         for (i = start_ringid; i <= end_ringid; i++) {
 204                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 205
 206                 hns3_clean_tx_ring(ring, budget);
 207         }
 208 }
 209
 210 /**
 211  * hns3_lp_run_test -  run loopback test
 212  * @ndev: net device
 213  * @mode: loopback type
 214  */
 215 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 216 {
 217         struct hns3_nic_priv *priv = netdev_priv(ndev);
 218         struct sk_buff *skb;
 219         u32 i, good_cnt;
 220         int ret_val = 0;
 221
 222         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 223                         GFP_KERNEL);
 224         if (!skb)
 225                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 226
 227         skb->dev = ndev;
 228         hns3_lp_setup_skb(skb);
 229         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 230
 231         good_cnt = 0;
 232         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 233                 netdev_tx_t tx_ret;
 234
 235                 skb_get(skb);
 236                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 237                 if (tx_ret == NETDEV_TX_OK) {
 238                         good_cnt++;
 239                 } else {
 240                         kfree_skb(skb);
 241                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 242                                    tx_ret);
 243                 }
 244         }
 245         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 246                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 247                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 248                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 249                 goto out;
 250         }
 251
 252         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 253         msleep(200);
 254
 255         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 256         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 257                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 258                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 259                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 260         }
 261
 262 out:
 263         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 264                               HNS3_NIC_LB_TEST_RING_ID,
 265                               HNS3_NIC_LB_TEST_PKT_NUM);
 266
 267         kfree_skb(skb);
 268         return ret_val;
 269 }
 270
 271 /**
 272  * hns3_nic_self_test - self test
 273  * @ndev: net device
 274  * @eth_test: test cmd
 275  * @data: test result
 276  */
 277 static void hns3_self_test(struct net_device *ndev,
 278                            struct ethtool_test *eth_test, u64 *data)
 279 {
 280         struct hns3_nic_priv *priv = netdev_priv(ndev);
 281         struct hnae3_handle *h = priv->ae_handle;
 282         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 283         bool if_running = netif_running(ndev);
 284 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 285         bool dis_vlan_filter;
 286 #endif
 287         int test_index = 0;
 288         u32 i;
 289
 290         /* Only do offline selftest, or pass by default */
 291         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 292                 return;
 293
 294         st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
 295         st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
 296                         h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;
 297
 298         st_param[HNAE3_MAC_INTER_LOOP_SERDES][0] = HNAE3_MAC_INTER_LOOP_SERDES;
 299         st_param[HNAE3_MAC_INTER_LOOP_SERDES][1] =
 300                         h->flags & HNAE3_SUPPORT_SERDES_LOOPBACK;
 301
 302         if (if_running)
 303                 ndev->netdev_ops->ndo_stop(ndev);
 304
 305 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 306         /* Disable the vlan filter for selftest does not support it */
 307         dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
 308                                 h->ae_algo->ops->enable_vlan_filter;
 309         if (dis_vlan_filter)
 310                 h->ae_algo->ops->enable_vlan_filter(h, false);
 311 #endif
 312
 313         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 314
 315         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 316                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 317
 318                 if (!st_param[i][1])
 319                         continue;
 320
 321                 data[test_index] = hns3_lp_up(ndev, loop_type);
 322                 if (!data[test_index]) {
 323                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 324                         hns3_lp_down(ndev, loop_type);
 325                 }
 326
 327                 if (data[test_index])
 328                         eth_test->flags |= ETH_TEST_FL_FAILED;
 329
 330                 test_index++;
 331         }
 332
 333         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 334
 335 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 336         if (dis_vlan_filter)
 337                 h->ae_algo->ops->enable_vlan_filter(h, true);
 338 #endif
 339
 340         if (if_running)
 341                 ndev->netdev_ops->ndo_open(ndev);
 342 }
 343
 344 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 345 {
 346         struct hnae3_handle *h = hns3_get_handle(netdev);
 347         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 348
 349         if (!ops->get_sset_count)
 350                 return -EOPNOTSUPP;
 351
 352         switch (stringset) {
 353         case ETH_SS_STATS:
 354                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 355                         ops->get_sset_count(h, stringset));
 356
 357         case ETH_SS_TEST:
 358                 return ops->get_sset_count(h, stringset);
 359         }
 360
 361         return 0;
 362 }
 363
 364 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 365                 u32 stat_count, u32 num_tqps, const char *prefix)
 366 {
 367 #define MAX_PREFIX_SIZE (6 + 4)
 368         u32 size_left;
 369         u32 i, j;
 370         u32 n1;
 371
 372         for (i = 0; i < num_tqps; i++) {
 373                 for (j = 0; j < stat_count; j++) {
 374                         data[ETH_GSTRING_LEN - 1] = '\0';
 375
 376                         /* first, prepend the prefix string */
 377                         n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_",
 378                                       prefix, i);
 379                         n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
 380                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 381
 382                         /* now, concatenate the stats string to it */
 383                         strncat(data, stats[j].stats_string, size_left);
 384                         data += ETH_GSTRING_LEN;
 385                 }
 386         }
 387
 388         return data;
 389 }
 390
 391 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 392 {
 393         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 394         const char tx_prefix[] = "txq";
 395         const char rx_prefix[] = "rxq";
 396
 397         /* get strings for Tx */
 398         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 399                                    kinfo->num_tqps, tx_prefix);
 400
 401         /* get strings for Rx */
 402         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 403                                    kinfo->num_tqps, rx_prefix);
 404
 405         return data;
 406 }
 407
 408 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 409 {
 410         struct hnae3_handle *h = hns3_get_handle(netdev);
 411         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 412         char *buff = (char *)data;
 413
 414         if (!ops->get_strings)
 415                 return;
 416
 417         switch (stringset) {
 418         case ETH_SS_STATS:
 419                 buff = hns3_get_strings_tqps(h, buff);
 420                 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
 421                 break;
 422         case ETH_SS_TEST:
 423                 ops->get_strings(h, stringset, data);
 424                 break;
 425         }
 426 }
 427
 428 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 429 {
 430         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 431         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 432         struct hns3_enet_ring *ring;
 433         u8 *stat;
 434         int i, j;
 435
 436         /* get stats for Tx */
 437         for (i = 0; i < kinfo->num_tqps; i++) {
 438                 ring = nic_priv->ring_data[i].ring;
 439                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 440                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 441                         *data++ = *(u64 *)stat;
 442                 }
 443         }
 444
 445         /* get stats for Rx */
 446         for (i = 0; i < kinfo->num_tqps; i++) {
 447                 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
 448                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 449                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 450                         *data++ = *(u64 *)stat;
 451                 }
 452         }
 453
 454         return data;
 455 }
 456
 457 /* hns3_get_stats - get detail statistics.
 458  * @netdev: net device
 459  * @stats: statistics info.
 460  * @data: statistics data.
 461  */
 462 static void hns3_get_stats(struct net_device *netdev,
 463                            struct ethtool_stats *stats, u64 *data)
 464 {
 465         struct hnae3_handle *h = hns3_get_handle(netdev);
 466         u64 *p = data;
 467
 468         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 469                 netdev_err(netdev, "could not get any statistics\n");
 470                 return;
 471         }
 472
 473         h->ae_algo->ops->update_stats(h, &netdev->stats);
 474
 475         /* get per-queue stats */
 476         p = hns3_get_stats_tqps(h, p);
 477
 478         /* get MAC & other misc hardware stats */
 479         h->ae_algo->ops->get_stats(h, p);
 480 }
 481
 482 static void hns3_get_drvinfo(struct net_device *netdev,
 483                              struct ethtool_drvinfo *drvinfo)
 484 {
 485         struct hns3_nic_priv *priv = netdev_priv(netdev);
 486         struct hnae3_handle *h = priv->ae_handle;
 487
 488         strncpy(drvinfo->version, hns3_driver_version,
 489                 sizeof(drvinfo->version));
 490         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 491
 492         strncpy(drvinfo->driver, h->pdev->driver->name,
 493                 sizeof(drvinfo->driver));
 494         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 495
 496         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 497                 sizeof(drvinfo->bus_info));
 498         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 499
 500         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 501                  priv->ae_handle->ae_algo->ops->get_fw_version(h));
 502 }
 503
 504 static u32 hns3_get_link(struct net_device *netdev)
 505 {
 506         struct hnae3_handle *h = hns3_get_handle(netdev);
 507
 508         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
 509                 return h->ae_algo->ops->get_status(h);
 510         else
 511                 return 0;
 512 }
 513
 514 static void hns3_get_ringparam(struct net_device *netdev,
 515                                struct ethtool_ringparam *param)
 516 {
 517         struct hns3_nic_priv *priv = netdev_priv(netdev);
 518         struct hnae3_handle *h = priv->ae_handle;
 519         int queue_num = h->kinfo.num_tqps;
 520
 521         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 522         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 523
 524         param->tx_pending = priv->ring_data[0].ring->desc_num;
 525         param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
 526 }
 527
 528 static void hns3_get_pauseparam(struct net_device *netdev,
 529                                 struct ethtool_pauseparam *param)
 530 {
 531         struct hnae3_handle *h = hns3_get_handle(netdev);
 532
 533         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
 534                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 535                         &param->rx_pause, &param->tx_pause);
 536 }
 537
 538 static int hns3_set_pauseparam(struct net_device *netdev,
 539                                struct ethtool_pauseparam *param)
 540 {
 541         struct hnae3_handle *h = hns3_get_handle(netdev);
 542
 543         if (h->ae_algo->ops->set_pauseparam)
 544                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 545                                                        param->rx_pause,
 546                                                        param->tx_pause);
 547         return -EOPNOTSUPP;
 548 }
 549
 550 static int hns3_get_link_ksettings(struct net_device *netdev,
 551                                    struct ethtool_link_ksettings *cmd)
 552 {
 553         struct hnae3_handle *h = hns3_get_handle(netdev);
 554         u32 flowctrl_adv = 0;
 555         u8 link_stat;
 556
 557         if (!h->ae_algo || !h->ae_algo->ops)
 558                 return -EOPNOTSUPP;
 559
 560         /* 1.auto_neg & speed & duplex from cmd */
 561         if (netdev->phydev) {
 562                 phy_ethtool_ksettings_get(netdev->phydev, cmd);
 563
 564                 return 0;
 565         }
 566
 567         if (h->ae_algo->ops->get_ksettings_an_result)
 568                 h->ae_algo->ops->get_ksettings_an_result(h,
 569                                                          &cmd->base.autoneg,
 570                                                          &cmd->base.speed,
 571                                                          &cmd->base.duplex);
 572         else
 573                 return -EOPNOTSUPP;
 574
 575         link_stat = hns3_get_link(netdev);
 576         if (!link_stat) {
 577                 cmd->base.speed = SPEED_UNKNOWN;
 578                 cmd->base.duplex = DUPLEX_UNKNOWN;
 579         }
 580
 581         /* 2.get link mode and port type*/
 582         if (h->ae_algo->ops->get_link_mode)
 583                 h->ae_algo->ops->get_link_mode(h,
 584                                                cmd->link_modes.supported,
 585                                                cmd->link_modes.advertising);
 586
 587         cmd->base.port = PORT_NONE;
 588         if (h->ae_algo->ops->get_port_type)
 589                 h->ae_algo->ops->get_port_type(h,
 590                                                &cmd->base.port);
 591
 592         /* 3.mdix_ctrl&mdix get from phy reg */
 593         if (h->ae_algo->ops->get_mdix_mode)
 594                 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 595                                                &cmd->base.eth_tp_mdix);
 596         /* 4.mdio_support */
 597         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 598
 599         /* 5.get flow control setttings */
 600         if (h->ae_algo->ops->get_flowctrl_adv)
 601                 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv);
 602
 603         if (flowctrl_adv & ADVERTISED_Pause)
 604                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 605                                                      Pause);
 606
 607         if (flowctrl_adv & ADVERTISED_Asym_Pause)
 608                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 609                                                      Asym_Pause);
 610
 611         return 0;
 612 }
 613
 614 static int hns3_set_link_ksettings(struct net_device *netdev,
 615                                    const struct ethtool_link_ksettings *cmd)
 616 {
 617         /* Only support ksettings_set for netdev with phy attached for now */
 618         if (netdev->phydev)
 619                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 620
 621         return -EOPNOTSUPP;
 622 }
 623
 624 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 625 {
 626         struct hnae3_handle *h = hns3_get_handle(netdev);
 627
 628         if (!h->ae_algo || !h->ae_algo->ops ||
 629             !h->ae_algo->ops->get_rss_key_size)
 630                 return 0;
 631
 632         return h->ae_algo->ops->get_rss_key_size(h);
 633 }
 634
 635 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 636 {
 637         struct hnae3_handle *h = hns3_get_handle(netdev);
 638
 639         if (!h->ae_algo || !h->ae_algo->ops ||
 640             !h->ae_algo->ops->get_rss_indir_size)
 641                 return 0;
 642
 643         return h->ae_algo->ops->get_rss_indir_size(h);
 644 }
 645
 646 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 647                         u8 *hfunc)
 648 {
 649         struct hnae3_handle *h = hns3_get_handle(netdev);
 650
 651         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
 652                 return -EOPNOTSUPP;
 653
 654         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 655 }
 656
 657 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 658                         const u8 *key, const u8 hfunc)
 659 {
 660         struct hnae3_handle *h = hns3_get_handle(netdev);
 661
 662         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
 663                 return -EOPNOTSUPP;
 664
 665         /* currently we only support Toeplitz hash */
 666         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
 667                 netdev_err(netdev,
 668                            "hash func not supported (only Toeplitz hash)\n");
 669                 return -EOPNOTSUPP;
 670         }
 671         if (!indir) {
 672                 netdev_err(netdev,
 673                            "set rss failed for indir is empty\n");
 674                 return -EOPNOTSUPP;
 675         }
 676
 677         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 678 }
 679
 680 static int hns3_get_rxnfc(struct net_device *netdev,
 681                           struct ethtool_rxnfc *cmd,
 682                           u32 *rule_locs)
 683 {
 684         struct hnae3_handle *h = hns3_get_handle(netdev);
 685
 686         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
 687                 return -EOPNOTSUPP;
 688
 689         switch (cmd->cmd) {
 690         case ETHTOOL_GRXRINGS:
 691                 cmd->data = h->kinfo.rss_size;
 692                 break;
 693         case ETHTOOL_GRXFH:
 694                 return h->ae_algo->ops->get_rss_tuple(h, cmd);
 695         default:
 696                 return -EOPNOTSUPP;
 697         }
 698
 699         return 0;
 700 }
 701
 702 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 703                                        u32 new_desc_num)
 704 {
 705         struct hnae3_handle *h = priv->ae_handle;
 706         int i;
 707
 708         h->kinfo.num_desc = new_desc_num;
 709
 710         for (i = 0; i < h->kinfo.num_tqps * 2; i++)
 711                 priv->ring_data[i].ring->desc_num = new_desc_num;
 712
 713         return hns3_init_all_ring(priv);
 714 }
 715
 716 static int hns3_set_ringparam(struct net_device *ndev,
 717                               struct ethtool_ringparam *param)
 718 {
 719         struct hns3_nic_priv *priv = netdev_priv(ndev);
 720         struct hnae3_handle *h = priv->ae_handle;
 721         bool if_running = netif_running(ndev);
 722         u32 old_desc_num, new_desc_num;
 723         int ret;
 724
 725         if (param->rx_mini_pending || param->rx_jumbo_pending)
 726                 return -EINVAL;
 727
 728         if (param->tx_pending != param->rx_pending) {
 729                 netdev_err(ndev,
 730                            "Descriptors of tx and rx must be equal");
 731                 return -EINVAL;
 732         }
 733
 734         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 735             param->tx_pending < HNS3_RING_MIN_PENDING) {
 736                 netdev_err(ndev,
 737                            "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
 738                            param->tx_pending, HNS3_RING_MIN_PENDING,
 739                            HNS3_RING_MAX_PENDING);
 740                 return -EINVAL;
 741         }
 742
 743         new_desc_num = param->tx_pending;
 744
 745         /* Hardware requires that its descriptors must be multiple of eight */
 746         new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
 747         old_desc_num = h->kinfo.num_desc;
 748         if (old_desc_num == new_desc_num)
 749                 return 0;
 750
 751         netdev_info(ndev,
 752                     "Changing descriptor count from %d to %d.\n",
 753                     old_desc_num, new_desc_num);
 754
 755         if (if_running)
 756                 dev_close(ndev);
 757
 758         ret = hns3_uninit_all_ring(priv);
 759         if (ret)
 760                 return ret;
 761
 762         ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
 763         if (ret) {
 764                 ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
 765                 if (ret) {
 766                         netdev_err(ndev,
 767                                    "Revert to old bd num fail, ret=%d.\n", ret);
 768                         return ret;
 769                 }
 770         }
 771
 772         if (if_running)
 773                 ret = dev_open(ndev);
 774
 775         return ret;
 776 }
 777
 778 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
 779 {
 780         struct hnae3_handle *h = hns3_get_handle(netdev);
 781
 782         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
 783                 return -EOPNOTSUPP;
 784
 785         switch (cmd->cmd) {
 786         case ETHTOOL_SRXFH:
 787                 return h->ae_algo->ops->set_rss_tuple(h, cmd);
 788         default:
 789                 return -EOPNOTSUPP;
 790         }
 791 }
 792
 793 static int hns3_nway_reset(struct net_device *netdev)
 794 {
 795         struct phy_device *phy = netdev->phydev;
 796
 797         if (!netif_running(netdev))
 798                 return 0;
 799
 800         /* Only support nway_reset for netdev with phy attached for now */
 801         if (!phy)
 802                 return -EOPNOTSUPP;
 803
 804         if (phy->autoneg != AUTONEG_ENABLE)
 805                 return -EINVAL;
 806
 807         return genphy_restart_aneg(phy);
 808 }
 809
 810 static void hns3_get_channels(struct net_device *netdev,
 811                               struct ethtool_channels *ch)
 812 {
 813         struct hnae3_handle *h = hns3_get_handle(netdev);
 814
 815         if (h->ae_algo->ops->get_channels)
 816                 h->ae_algo->ops->get_channels(h, ch);
 817 }
 818
 819 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
 820                                        struct ethtool_coalesce *cmd)
 821 {
 822         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
 823         struct hns3_nic_priv *priv = netdev_priv(netdev);
 824         struct hnae3_handle *h = priv->ae_handle;
 825         u16 queue_num = h->kinfo.num_tqps;
 826
 827         if (queue >= queue_num) {
 828                 netdev_err(netdev,
 829                            "Invalid queue value %d! Queue max id=%d\n",
 830                            queue, queue_num - 1);
 831                 return -EINVAL;
 832         }
 833
 834         tx_vector = priv->ring_data[queue].ring->tqp_vector;
 835         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
 836
 837         cmd->use_adaptive_tx_coalesce =
 838                         tx_vector->tx_group.coal.gl_adapt_enable;
 839         cmd->use_adaptive_rx_coalesce =
 840                         rx_vector->rx_group.coal.gl_adapt_enable;
 841
 842         cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
 843         cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
 844
 845         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 846         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 847
 848         return 0;
 849 }
 850
 851 static int hns3_get_coalesce(struct net_device *netdev,
 852                              struct ethtool_coalesce *cmd)
 853 {
 854         return hns3_get_coalesce_per_queue(netdev, 0, cmd);
 855 }
 856
 857 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
 858                                        struct ethtool_coalesce *cmd)
 859 {
 860         u32 rx_gl, tx_gl;
 861
 862         if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
 863                 netdev_err(netdev,
 864                            "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
 865                            HNS3_INT_GL_MAX);
 866                 return -EINVAL;
 867         }
 868
 869         if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
 870                 netdev_err(netdev,
 871                            "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
 872                            HNS3_INT_GL_MAX);
 873                 return -EINVAL;
 874         }
 875
 876         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
 877         if (rx_gl != cmd->rx_coalesce_usecs) {
 878                 netdev_info(netdev,
 879                             "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 880                             cmd->rx_coalesce_usecs, rx_gl);
 881         }
 882
 883         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
 884         if (tx_gl != cmd->tx_coalesce_usecs) {
 885                 netdev_info(netdev,
 886                             "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 887                             cmd->tx_coalesce_usecs, tx_gl);
 888         }
 889
 890         return 0;
 891 }
 892
 893 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
 894                                        struct ethtool_coalesce *cmd)
 895 {
 896         u32 rl;
 897
 898         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
 899                 netdev_err(netdev,
 900                            "tx_usecs_high must be same as rx_usecs_high.\n");
 901                 return -EINVAL;
 902         }
 903
 904         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
 905                 netdev_err(netdev,
 906                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
 907                            HNS3_INT_RL_MAX);
 908                 return -EINVAL;
 909         }
 910
 911         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
 912         if (rl != cmd->rx_coalesce_usecs_high) {
 913                 netdev_info(netdev,
 914                             "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n",
 915                             cmd->rx_coalesce_usecs_high, rl);
 916         }
 917
 918         return 0;
 919 }
 920
 921 static int hns3_check_coalesce_para(struct net_device *netdev,
 922                                     struct ethtool_coalesce *cmd)
 923 {
 924         int ret;
 925
 926         ret = hns3_check_gl_coalesce_para(netdev, cmd);
 927         if (ret) {
 928                 netdev_err(netdev,
 929                            "Check gl coalesce param fail. ret = %d\n", ret);
 930                 return ret;
 931         }
 932
 933         ret = hns3_check_rl_coalesce_para(netdev, cmd);
 934         if (ret) {
 935                 netdev_err(netdev,
 936                            "Check rl coalesce param fail. ret = %d\n", ret);
 937                 return ret;
 938         }
 939
 940         if (cmd->use_adaptive_tx_coalesce == 1 ||
 941             cmd->use_adaptive_rx_coalesce == 1) {
 942                 netdev_info(netdev,
 943                             "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
 944                             cmd->use_adaptive_tx_coalesce,
 945                             cmd->use_adaptive_rx_coalesce);
 946         }
 947
 948         return 0;
 949 }
 950
 951 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
 952                                         struct ethtool_coalesce *cmd,
 953                                         u32 queue)
 954 {
 955         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
 956         struct hns3_nic_priv *priv = netdev_priv(netdev);
 957         struct hnae3_handle *h = priv->ae_handle;
 958         int queue_num = h->kinfo.num_tqps;
 959
 960         tx_vector = priv->ring_data[queue].ring->tqp_vector;
 961         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
 962
 963         tx_vector->tx_group.coal.gl_adapt_enable =
 964                                 cmd->use_adaptive_tx_coalesce;
 965         rx_vector->rx_group.coal.gl_adapt_enable =
 966                                 cmd->use_adaptive_rx_coalesce;
 967
 968         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
 969         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
 970
 971         hns3_set_vector_coalesce_tx_gl(tx_vector,
 972                                        tx_vector->tx_group.coal.int_gl);
 973         hns3_set_vector_coalesce_rx_gl(rx_vector,
 974                                        rx_vector->rx_group.coal.int_gl);
 975
 976         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
 977         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
 978 }
 979
 980 static int hns3_set_coalesce(struct net_device *netdev,
 981                              struct ethtool_coalesce *cmd)
 982 {
 983         struct hnae3_handle *h = hns3_get_handle(netdev);
 984         u16 queue_num = h->kinfo.num_tqps;
 985         int ret;
 986         int i;
 987
 988         ret = hns3_check_coalesce_para(netdev, cmd);
 989         if (ret)
 990                 return ret;
 991
 992         h->kinfo.int_rl_setting =
 993                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
 994
 995         for (i = 0; i < queue_num; i++)
 996                 hns3_set_coalesce_per_queue(netdev, cmd, i);
 997
 998         return 0;
 999 }
1000
1001 static int hns3_get_regs_len(struct net_device *netdev)
1002 {
1003         struct hnae3_handle *h = hns3_get_handle(netdev);
1004
1005         if (!h->ae_algo->ops->get_regs_len)
1006                 return -EOPNOTSUPP;
1007
1008         return h->ae_algo->ops->get_regs_len(h);
1009 }
1010
1011 static void hns3_get_regs(struct net_device *netdev,
1012                           struct ethtool_regs *cmd, void *data)
1013 {
1014         struct hnae3_handle *h = hns3_get_handle(netdev);
1015
1016         if (!h->ae_algo->ops->get_regs)
1017                 return;
1018
1019         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1020 }
1021
1022 static int hns3_set_phys_id(struct net_device *netdev,
1023                             enum ethtool_phys_id_state state)
1024 {
1025         struct hnae3_handle *h = hns3_get_handle(netdev);
1026
1027         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id)
1028                 return -EOPNOTSUPP;
1029
1030         return h->ae_algo->ops->set_led_id(h, state);
1031 }
1032
1033 static const struct ethtool_ops hns3vf_ethtool_ops = {
1034         .get_drvinfo = hns3_get_drvinfo,
1035         .get_ringparam = hns3_get_ringparam,
1036         .set_ringparam = hns3_set_ringparam,
1037         .get_strings = hns3_get_strings,
1038         .get_ethtool_stats = hns3_get_stats,
1039         .get_sset_count = hns3_get_sset_count,
1040         .get_rxnfc = hns3_get_rxnfc,
1041         .get_rxfh_key_size = hns3_get_rss_key_size,
1042         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1043         .get_rxfh = hns3_get_rss,
1044         .set_rxfh = hns3_set_rss,
1045         .get_link_ksettings = hns3_get_link_ksettings,
1046         .get_channels = hns3_get_channels,
1047         .get_coalesce = hns3_get_coalesce,
1048         .set_coalesce = hns3_set_coalesce,
1049         .get_link = hns3_get_link,
1050 };
1051
1052 static const struct ethtool_ops hns3_ethtool_ops = {
1053         .self_test = hns3_self_test,
1054         .get_drvinfo = hns3_get_drvinfo,
1055         .get_link = hns3_get_link,
1056         .get_ringparam = hns3_get_ringparam,
1057         .set_ringparam = hns3_set_ringparam,
1058         .get_pauseparam = hns3_get_pauseparam,
1059         .set_pauseparam = hns3_set_pauseparam,
1060         .get_strings = hns3_get_strings,
1061         .get_ethtool_stats = hns3_get_stats,
1062         .get_sset_count = hns3_get_sset_count,
1063         .get_rxnfc = hns3_get_rxnfc,
1064         .set_rxnfc = hns3_set_rxnfc,
1065         .get_rxfh_key_size = hns3_get_rss_key_size,
1066         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1067         .get_rxfh = hns3_get_rss,
1068         .set_rxfh = hns3_set_rss,
1069         .get_link_ksettings = hns3_get_link_ksettings,
1070         .set_link_ksettings = hns3_set_link_ksettings,
1071         .nway_reset = hns3_nway_reset,
1072         .get_channels = hns3_get_channels,
1073         .set_channels = hns3_set_channels,
1074         .get_coalesce = hns3_get_coalesce,
1075         .set_coalesce = hns3_set_coalesce,
1076         .get_regs_len = hns3_get_regs_len,
1077         .get_regs = hns3_get_regs,
1078         .set_phys_id = hns3_set_phys_id,
1079 };
1080
1081 void hns3_ethtool_set_ops(struct net_device *netdev)
1082 {
1083         struct hnae3_handle *h = hns3_get_handle(netdev);
1084
1085         if (h->flags & HNAE3_SUPPORT_VF)
1086                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1087         else
1088                 netdev->ethtool_ops = &hns3_ethtool_ops;
1089 }