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("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("wake", restart_queue),
  31         HNS3_TQP_STAT("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("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         3
  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         bool vlan_filter_enable;
  75         int ret;
  76
  77         if (!h->ae_algo->ops->set_loopback ||
  78             !h->ae_algo->ops->set_promisc_mode)
  79                 return -EOPNOTSUPP;
  80
  81         switch (loop) {
  82         case HNAE3_LOOP_SERIAL_SERDES:
  83         case HNAE3_LOOP_PARALLEL_SERDES:
  84         case HNAE3_LOOP_APP:
  85                 ret = h->ae_algo->ops->set_loopback(h, loop, en);
  86                 break;
  87         default:
  88                 ret = -ENOTSUPP;
  89                 break;
  90         }
  91
  92         if (ret)
  93                 return ret;
  94
  95         if (en) {
  96                 h->ae_algo->ops->set_promisc_mode(h, true, true);
  97         } else {
  98                 /* recover promisc mode before loopback test */
  99                 hns3_update_promisc_mode(ndev, h->netdev_flags);
 100                 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
 101                 hns3_enable_vlan_filter(ndev, vlan_filter_enable);
 102         }
 103
 104         return ret;
 105 }
 106
 107 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
 108 {
 109         struct hnae3_handle *h = hns3_get_handle(ndev);
 110         int ret;
 111
 112         ret = hns3_nic_reset_all_ring(h);
 113         if (ret)
 114                 return ret;
 115
 116         ret = hns3_lp_setup(ndev, loop_mode, true);
 117         usleep_range(10000, 20000);
 118
 119         return 0;
 120 }
 121
 122 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 123 {
 124         int ret;
 125
 126         ret = hns3_lp_setup(ndev, loop_mode, false);
 127         if (ret) {
 128                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 129                 return ret;
 130         }
 131
 132         usleep_range(10000, 20000);
 133
 134         return 0;
 135 }
 136
 137 static void hns3_lp_setup_skb(struct sk_buff *skb)
 138 {
 139         struct net_device *ndev = skb->dev;
 140         unsigned char *packet;
 141         struct ethhdr *ethh;
 142         unsigned int i;
 143
 144         skb_reserve(skb, NET_IP_ALIGN);
 145         ethh = skb_put(skb, sizeof(struct ethhdr));
 146         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 147
 148         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 149         ethh->h_dest[5] += 0x1f;
 150         eth_zero_addr(ethh->h_source);
 151         ethh->h_proto = htons(ETH_P_ARP);
 152         skb_reset_mac_header(skb);
 153
 154         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 155                 packet[i] = (unsigned char)(i & 0xff);
 156 }
 157
 158 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 159                                    struct sk_buff *skb)
 160 {
 161         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 162         unsigned char *packet = skb->data;
 163         u32 i;
 164
 165         for (i = 0; i < skb->len; i++)
 166                 if (packet[i] != (unsigned char)(i & 0xff))
 167                         break;
 168
 169         /* The packet is correctly received */
 170         if (i == skb->len)
 171                 tqp_vector->rx_group.total_packets++;
 172         else
 173                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 174                                skb->data, skb->len, true);
 175
 176         dev_kfree_skb_any(skb);
 177 }
 178
 179 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 180 {
 181         struct hnae3_handle *h = priv->ae_handle;
 182         struct hnae3_knic_private_info *kinfo;
 183         u32 i, rcv_good_pkt_total = 0;
 184
 185         kinfo = &h->kinfo;
 186         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 187                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 188                 struct hns3_enet_ring_group *rx_group;
 189                 u64 pre_rx_pkt;
 190
 191                 rx_group = &ring->tqp_vector->rx_group;
 192                 pre_rx_pkt = rx_group->total_packets;
 193
 194                 preempt_disable();
 195                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 196                 preempt_enable();
 197
 198                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 199                 rx_group->total_packets = pre_rx_pkt;
 200         }
 201         return rcv_good_pkt_total;
 202 }
 203
 204 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 205                                   u32 end_ringid, u32 budget)
 206 {
 207         u32 i;
 208
 209         for (i = start_ringid; i <= end_ringid; i++) {
 210                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 211
 212                 hns3_clean_tx_ring(ring);
 213         }
 214 }
 215
 216 /**
 217  * hns3_lp_run_test -  run loopback test
 218  * @ndev: net device
 219  * @mode: loopback type
 220  */
 221 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 222 {
 223         struct hns3_nic_priv *priv = netdev_priv(ndev);
 224         struct sk_buff *skb;
 225         u32 i, good_cnt;
 226         int ret_val = 0;
 227
 228         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 229                         GFP_KERNEL);
 230         if (!skb)
 231                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 232
 233         skb->dev = ndev;
 234         hns3_lp_setup_skb(skb);
 235         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 236
 237         good_cnt = 0;
 238         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 239                 netdev_tx_t tx_ret;
 240
 241                 skb_get(skb);
 242                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 243                 if (tx_ret == NETDEV_TX_OK)
 244                         good_cnt++;
 245                 else
 246                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 247                                    tx_ret);
 248         }
 249         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 250                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 251                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 252                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 253                 goto out;
 254         }
 255
 256         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 257         msleep(200);
 258
 259         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 260         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 261                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 262                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 263                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 264         }
 265
 266 out:
 267         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 268                               HNS3_NIC_LB_TEST_RING_ID,
 269                               HNS3_NIC_LB_TEST_PKT_NUM);
 270
 271         kfree_skb(skb);
 272         return ret_val;
 273 }
 274
 275 /**
 276  * hns3_nic_self_test - self test
 277  * @ndev: net device
 278  * @eth_test: test cmd
 279  * @data: test result
 280  */
 281 static void hns3_self_test(struct net_device *ndev,
 282                            struct ethtool_test *eth_test, u64 *data)
 283 {
 284         struct hns3_nic_priv *priv = netdev_priv(ndev);
 285         struct hnae3_handle *h = priv->ae_handle;
 286         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 287         bool if_running = netif_running(ndev);
 288 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 289         bool dis_vlan_filter;
 290 #endif
 291         int test_index = 0;
 292         u32 i;
 293
 294         if (hns3_nic_resetting(ndev)) {
 295                 netdev_err(ndev, "dev resetting!");
 296                 return;
 297         }
 298
 299         /* Only do offline selftest, or pass by default */
 300         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 301                 return;
 302
 303         st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
 304         st_param[HNAE3_LOOP_APP][1] =
 305                         h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
 306
 307         st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
 308         st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
 309                         h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 310
 311         st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
 312                         HNAE3_LOOP_PARALLEL_SERDES;
 313         st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
 314                         h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 315
 316         if (if_running)
 317                 ndev->netdev_ops->ndo_stop(ndev);
 318
 319 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 320         /* Disable the vlan filter for selftest does not support it */
 321         dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
 322                                 h->ae_algo->ops->enable_vlan_filter;
 323         if (dis_vlan_filter)
 324                 h->ae_algo->ops->enable_vlan_filter(h, false);
 325 #endif
 326
 327         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 328
 329         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 330                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 331
 332                 if (!st_param[i][1])
 333                         continue;
 334
 335                 data[test_index] = hns3_lp_up(ndev, loop_type);
 336                 if (!data[test_index]) {
 337                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 338                         hns3_lp_down(ndev, loop_type);
 339                 }
 340
 341                 if (data[test_index])
 342                         eth_test->flags |= ETH_TEST_FL_FAILED;
 343
 344                 test_index++;
 345         }
 346
 347         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 348
 349 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 350         if (dis_vlan_filter)
 351                 h->ae_algo->ops->enable_vlan_filter(h, true);
 352 #endif
 353
 354         if (if_running)
 355                 ndev->netdev_ops->ndo_open(ndev);
 356 }
 357
 358 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 359 {
 360         struct hnae3_handle *h = hns3_get_handle(netdev);
 361         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 362
 363         if (!ops->get_sset_count)
 364                 return -EOPNOTSUPP;
 365
 366         switch (stringset) {
 367         case ETH_SS_STATS:
 368                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 369                         ops->get_sset_count(h, stringset));
 370
 371         case ETH_SS_TEST:
 372                 return ops->get_sset_count(h, stringset);
 373
 374         default:
 375                 return -EOPNOTSUPP;
 376         }
 377 }
 378
 379 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 380                 u32 stat_count, u32 num_tqps, const char *prefix)
 381 {
 382 #define MAX_PREFIX_SIZE (6 + 4)
 383         u32 size_left;
 384         u32 i, j;
 385         u32 n1;
 386
 387         for (i = 0; i < num_tqps; i++) {
 388                 for (j = 0; j < stat_count; j++) {
 389                         data[ETH_GSTRING_LEN - 1] = '\0';
 390
 391                         /* first, prepend the prefix string */
 392                         n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_",
 393                                       prefix, i);
 394                         n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
 395                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 396
 397                         /* now, concatenate the stats string to it */
 398                         strncat(data, stats[j].stats_string, size_left);
 399                         data += ETH_GSTRING_LEN;
 400                 }
 401         }
 402
 403         return data;
 404 }
 405
 406 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 407 {
 408         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 409         const char tx_prefix[] = "txq";
 410         const char rx_prefix[] = "rxq";
 411
 412         /* get strings for Tx */
 413         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 414                                    kinfo->num_tqps, tx_prefix);
 415
 416         /* get strings for Rx */
 417         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 418                                    kinfo->num_tqps, rx_prefix);
 419
 420         return data;
 421 }
 422
 423 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 424 {
 425         struct hnae3_handle *h = hns3_get_handle(netdev);
 426         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 427         char *buff = (char *)data;
 428
 429         if (!ops->get_strings)
 430                 return;
 431
 432         switch (stringset) {
 433         case ETH_SS_STATS:
 434                 buff = hns3_get_strings_tqps(h, buff);
 435                 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
 436                 break;
 437         case ETH_SS_TEST:
 438                 ops->get_strings(h, stringset, data);
 439                 break;
 440         default:
 441                 break;
 442         }
 443 }
 444
 445 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 446 {
 447         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 448         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 449         struct hns3_enet_ring *ring;
 450         u8 *stat;
 451         int i, j;
 452
 453         /* get stats for Tx */
 454         for (i = 0; i < kinfo->num_tqps; i++) {
 455                 ring = nic_priv->ring_data[i].ring;
 456                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 457                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 458                         *data++ = *(u64 *)stat;
 459                 }
 460         }
 461
 462         /* get stats for Rx */
 463         for (i = 0; i < kinfo->num_tqps; i++) {
 464                 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
 465                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 466                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 467                         *data++ = *(u64 *)stat;
 468                 }
 469         }
 470
 471         return data;
 472 }
 473
 474 /* hns3_get_stats - get detail statistics.
 475  * @netdev: net device
 476  * @stats: statistics info.
 477  * @data: statistics data.
 478  */
 479 static void hns3_get_stats(struct net_device *netdev,
 480                            struct ethtool_stats *stats, u64 *data)
 481 {
 482         struct hnae3_handle *h = hns3_get_handle(netdev);
 483         u64 *p = data;
 484
 485         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 486                 netdev_err(netdev, "could not get any statistics\n");
 487                 return;
 488         }
 489
 490         h->ae_algo->ops->update_stats(h, &netdev->stats);
 491
 492         /* get per-queue stats */
 493         p = hns3_get_stats_tqps(h, p);
 494
 495         /* get MAC & other misc hardware stats */
 496         h->ae_algo->ops->get_stats(h, p);
 497 }
 498
 499 static void hns3_get_drvinfo(struct net_device *netdev,
 500                              struct ethtool_drvinfo *drvinfo)
 501 {
 502         struct hns3_nic_priv *priv = netdev_priv(netdev);
 503         struct hnae3_handle *h = priv->ae_handle;
 504
 505         strncpy(drvinfo->version, hns3_driver_version,
 506                 sizeof(drvinfo->version));
 507         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 508
 509         strncpy(drvinfo->driver, h->pdev->driver->name,
 510                 sizeof(drvinfo->driver));
 511         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 512
 513         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 514                 sizeof(drvinfo->bus_info));
 515         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 516
 517         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 518                  priv->ae_handle->ae_algo->ops->get_fw_version(h));
 519 }
 520
 521 static u32 hns3_get_link(struct net_device *netdev)
 522 {
 523         struct hnae3_handle *h = hns3_get_handle(netdev);
 524
 525         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
 526                 return h->ae_algo->ops->get_status(h);
 527         else
 528                 return 0;
 529 }
 530
 531 static void hns3_get_ringparam(struct net_device *netdev,
 532                                struct ethtool_ringparam *param)
 533 {
 534         struct hns3_nic_priv *priv = netdev_priv(netdev);
 535         struct hnae3_handle *h = priv->ae_handle;
 536         int queue_num = h->kinfo.num_tqps;
 537
 538         if (hns3_nic_resetting(netdev)) {
 539                 netdev_err(netdev, "dev resetting!");
 540                 return;
 541         }
 542
 543         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 544         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 545
 546         param->tx_pending = priv->ring_data[0].ring->desc_num;
 547         param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
 548 }
 549
 550 static void hns3_get_pauseparam(struct net_device *netdev,
 551                                 struct ethtool_pauseparam *param)
 552 {
 553         struct hnae3_handle *h = hns3_get_handle(netdev);
 554
 555         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
 556                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 557                         &param->rx_pause, &param->tx_pause);
 558 }
 559
 560 static int hns3_set_pauseparam(struct net_device *netdev,
 561                                struct ethtool_pauseparam *param)
 562 {
 563         struct hnae3_handle *h = hns3_get_handle(netdev);
 564
 565         if (h->ae_algo->ops->set_pauseparam)
 566                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 567                                                        param->rx_pause,
 568                                                        param->tx_pause);
 569         return -EOPNOTSUPP;
 570 }
 571
 572 static void hns3_get_ksettings(struct hnae3_handle *h,
 573                                struct ethtool_link_ksettings *cmd)
 574 {
 575         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 576
 577         /* 1.auto_neg & speed & duplex from cmd */
 578         if (ops->get_ksettings_an_result)
 579                 ops->get_ksettings_an_result(h,
 580                                              &cmd->base.autoneg,
 581                                              &cmd->base.speed,
 582                                              &cmd->base.duplex);
 583
 584         /* 2.get link mode*/
 585         if (ops->get_link_mode)
 586                 ops->get_link_mode(h,
 587                                    cmd->link_modes.supported,
 588                                    cmd->link_modes.advertising);
 589
 590         /* 3.mdix_ctrl&mdix get from phy reg */
 591         if (ops->get_mdix_mode)
 592                 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 593                                    &cmd->base.eth_tp_mdix);
 594 }
 595
 596 static int hns3_get_link_ksettings(struct net_device *netdev,
 597                                    struct ethtool_link_ksettings *cmd)
 598 {
 599         struct hnae3_handle *h = hns3_get_handle(netdev);
 600         const struct hnae3_ae_ops *ops;
 601         u8 media_type;
 602         u8 link_stat;
 603
 604         if (!h->ae_algo || !h->ae_algo->ops)
 605                 return -EOPNOTSUPP;
 606
 607         ops = h->ae_algo->ops;
 608         if (ops->get_media_type)
 609                 ops->get_media_type(h, &media_type);
 610         else
 611                 return -EOPNOTSUPP;
 612
 613         switch (media_type) {
 614         case HNAE3_MEDIA_TYPE_NONE:
 615                 cmd->base.port = PORT_NONE;
 616                 hns3_get_ksettings(h, cmd);
 617                 break;
 618         case HNAE3_MEDIA_TYPE_FIBER:
 619                 cmd->base.port = PORT_FIBRE;
 620                 hns3_get_ksettings(h, cmd);
 621                 break;
 622         case HNAE3_MEDIA_TYPE_COPPER:
 623                 if (!netdev->phydev)
 624                         return -EOPNOTSUPP;
 625
 626                 cmd->base.port = PORT_TP;
 627                 phy_ethtool_ksettings_get(netdev->phydev, cmd);
 628
 629                 break;
 630         default:
 631
 632                 netdev_warn(netdev, "Unknown media type");
 633                 return 0;
 634         }
 635
 636         /* mdio_support */
 637         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 638
 639         link_stat = hns3_get_link(netdev);
 640         if (!link_stat) {
 641                 cmd->base.speed = SPEED_UNKNOWN;
 642                 cmd->base.duplex = DUPLEX_UNKNOWN;
 643         }
 644
 645         return 0;
 646 }
 647
 648 static int hns3_set_link_ksettings(struct net_device *netdev,
 649                                    const struct ethtool_link_ksettings *cmd)
 650 {
 651         /* Only support ksettings_set for netdev with phy attached for now */
 652         if (netdev->phydev)
 653                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 654
 655         return -EOPNOTSUPP;
 656 }
 657
 658 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 659 {
 660         struct hnae3_handle *h = hns3_get_handle(netdev);
 661
 662         if (!h->ae_algo || !h->ae_algo->ops ||
 663             !h->ae_algo->ops->get_rss_key_size)
 664                 return 0;
 665
 666         return h->ae_algo->ops->get_rss_key_size(h);
 667 }
 668
 669 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 670 {
 671         struct hnae3_handle *h = hns3_get_handle(netdev);
 672
 673         if (!h->ae_algo || !h->ae_algo->ops ||
 674             !h->ae_algo->ops->get_rss_indir_size)
 675                 return 0;
 676
 677         return h->ae_algo->ops->get_rss_indir_size(h);
 678 }
 679
 680 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 681                         u8 *hfunc)
 682 {
 683         struct hnae3_handle *h = hns3_get_handle(netdev);
 684
 685         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
 686                 return -EOPNOTSUPP;
 687
 688         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 689 }
 690
 691 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 692                         const u8 *key, const u8 hfunc)
 693 {
 694         struct hnae3_handle *h = hns3_get_handle(netdev);
 695
 696         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
 697                 return -EOPNOTSUPP;
 698
 699         if ((h->pdev->revision == 0x20 &&
 700              hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 701              hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
 702                 netdev_err(netdev, "hash func not supported\n");
 703                 return -EOPNOTSUPP;
 704         }
 705
 706         if (!indir) {
 707                 netdev_err(netdev,
 708                            "set rss failed for indir is empty\n");
 709                 return -EOPNOTSUPP;
 710         }
 711
 712         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 713 }
 714
 715 static int hns3_get_rxnfc(struct net_device *netdev,
 716                           struct ethtool_rxnfc *cmd,
 717                           u32 *rule_locs)
 718 {
 719         struct hnae3_handle *h = hns3_get_handle(netdev);
 720
 721         if (!h->ae_algo || !h->ae_algo->ops)
 722                 return -EOPNOTSUPP;
 723
 724         switch (cmd->cmd) {
 725         case ETHTOOL_GRXRINGS:
 726                 cmd->data = h->kinfo.num_tqps;
 727                 return 0;
 728         case ETHTOOL_GRXFH:
 729                 if (h->ae_algo->ops->get_rss_tuple)
 730                         return h->ae_algo->ops->get_rss_tuple(h, cmd);
 731                 return -EOPNOTSUPP;
 732         case ETHTOOL_GRXCLSRLCNT:
 733                 if (h->ae_algo->ops->get_fd_rule_cnt)
 734                         return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
 735                 return -EOPNOTSUPP;
 736         case ETHTOOL_GRXCLSRULE:
 737                 if (h->ae_algo->ops->get_fd_rule_info)
 738                         return h->ae_algo->ops->get_fd_rule_info(h, cmd);
 739                 return -EOPNOTSUPP;
 740         case ETHTOOL_GRXCLSRLALL:
 741                 if (h->ae_algo->ops->get_fd_all_rules)
 742                         return h->ae_algo->ops->get_fd_all_rules(h, cmd,
 743                                                                  rule_locs);
 744                 return -EOPNOTSUPP;
 745         default:
 746                 return -EOPNOTSUPP;
 747         }
 748 }
 749
 750 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 751                                        u32 new_desc_num)
 752 {
 753         struct hnae3_handle *h = priv->ae_handle;
 754         int i;
 755
 756         h->kinfo.num_desc = new_desc_num;
 757
 758         for (i = 0; i < h->kinfo.num_tqps * 2; i++)
 759                 priv->ring_data[i].ring->desc_num = new_desc_num;
 760
 761         return hns3_init_all_ring(priv);
 762 }
 763
 764 static int hns3_set_ringparam(struct net_device *ndev,
 765                               struct ethtool_ringparam *param)
 766 {
 767         struct hns3_nic_priv *priv = netdev_priv(ndev);
 768         struct hnae3_handle *h = priv->ae_handle;
 769         bool if_running = netif_running(ndev);
 770         u32 old_desc_num, new_desc_num;
 771         int ret;
 772
 773         if (hns3_nic_resetting(ndev))
 774                 return -EBUSY;
 775
 776         if (param->rx_mini_pending || param->rx_jumbo_pending)
 777                 return -EINVAL;
 778
 779         if (param->tx_pending != param->rx_pending) {
 780                 netdev_err(ndev,
 781                            "Descriptors of tx and rx must be equal");
 782                 return -EINVAL;
 783         }
 784
 785         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 786             param->tx_pending < HNS3_RING_MIN_PENDING) {
 787                 netdev_err(ndev,
 788                            "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
 789                            param->tx_pending, HNS3_RING_MIN_PENDING,
 790                            HNS3_RING_MAX_PENDING);
 791                 return -EINVAL;
 792         }
 793
 794         new_desc_num = param->tx_pending;
 795
 796         /* Hardware requires that its descriptors must be multiple of eight */
 797         new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
 798         old_desc_num = h->kinfo.num_desc;
 799         if (old_desc_num == new_desc_num)
 800                 return 0;
 801
 802         netdev_info(ndev,
 803                     "Changing descriptor count from %d to %d.\n",
 804                     old_desc_num, new_desc_num);
 805
 806         if (if_running)
 807                 dev_close(ndev);
 808
 809         ret = hns3_uninit_all_ring(priv);
 810         if (ret)
 811                 return ret;
 812
 813         ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
 814         if (ret) {
 815                 ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
 816                 if (ret) {
 817                         netdev_err(ndev,
 818                                    "Revert to old bd num fail, ret=%d.\n", ret);
 819                         return ret;
 820                 }
 821         }
 822
 823         if (if_running)
 824                 ret = dev_open(ndev, NULL);
 825
 826         return ret;
 827 }
 828
 829 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
 830 {
 831         struct hnae3_handle *h = hns3_get_handle(netdev);
 832
 833         if (!h->ae_algo || !h->ae_algo->ops)
 834                 return -EOPNOTSUPP;
 835
 836         switch (cmd->cmd) {
 837         case ETHTOOL_SRXFH:
 838                 if (h->ae_algo->ops->set_rss_tuple)
 839                         return h->ae_algo->ops->set_rss_tuple(h, cmd);
 840                 return -EOPNOTSUPP;
 841         case ETHTOOL_SRXCLSRLINS:
 842                 if (h->ae_algo->ops->add_fd_entry)
 843                         return h->ae_algo->ops->add_fd_entry(h, cmd);
 844                 return -EOPNOTSUPP;
 845         case ETHTOOL_SRXCLSRLDEL:
 846                 if (h->ae_algo->ops->del_fd_entry)
 847                         return h->ae_algo->ops->del_fd_entry(h, cmd);
 848                 return -EOPNOTSUPP;
 849         default:
 850                 return -EOPNOTSUPP;
 851         }
 852 }
 853
 854 static int hns3_nway_reset(struct net_device *netdev)
 855 {
 856         struct phy_device *phy = netdev->phydev;
 857
 858         if (!netif_running(netdev))
 859                 return 0;
 860
 861         /* Only support nway_reset for netdev with phy attached for now */
 862         if (!phy)
 863                 return -EOPNOTSUPP;
 864
 865         if (phy->autoneg != AUTONEG_ENABLE)
 866                 return -EINVAL;
 867
 868         return genphy_restart_aneg(phy);
 869 }
 870
 871 static void hns3_get_channels(struct net_device *netdev,
 872                               struct ethtool_channels *ch)
 873 {
 874         struct hnae3_handle *h = hns3_get_handle(netdev);
 875
 876         if (h->ae_algo->ops->get_channels)
 877                 h->ae_algo->ops->get_channels(h, ch);
 878 }
 879
 880 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
 881                                        struct ethtool_coalesce *cmd)
 882 {
 883         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
 884         struct hns3_nic_priv *priv = netdev_priv(netdev);
 885         struct hnae3_handle *h = priv->ae_handle;
 886         u16 queue_num = h->kinfo.num_tqps;
 887
 888         if (hns3_nic_resetting(netdev))
 889                 return -EBUSY;
 890
 891         if (queue >= queue_num) {
 892                 netdev_err(netdev,
 893                            "Invalid queue value %d! Queue max id=%d\n",
 894                            queue, queue_num - 1);
 895                 return -EINVAL;
 896         }
 897
 898         tx_vector = priv->ring_data[queue].ring->tqp_vector;
 899         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
 900
 901         cmd->use_adaptive_tx_coalesce =
 902                         tx_vector->tx_group.coal.gl_adapt_enable;
 903         cmd->use_adaptive_rx_coalesce =
 904                         rx_vector->rx_group.coal.gl_adapt_enable;
 905
 906         cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
 907         cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
 908
 909         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 910         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 911
 912         return 0;
 913 }
 914
 915 static int hns3_get_coalesce(struct net_device *netdev,
 916                              struct ethtool_coalesce *cmd)
 917 {
 918         return hns3_get_coalesce_per_queue(netdev, 0, cmd);
 919 }
 920
 921 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
 922                                        struct ethtool_coalesce *cmd)
 923 {
 924         u32 rx_gl, tx_gl;
 925
 926         if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
 927                 netdev_err(netdev,
 928                            "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
 929                            HNS3_INT_GL_MAX);
 930                 return -EINVAL;
 931         }
 932
 933         if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
 934                 netdev_err(netdev,
 935                            "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
 936                            HNS3_INT_GL_MAX);
 937                 return -EINVAL;
 938         }
 939
 940         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
 941         if (rx_gl != cmd->rx_coalesce_usecs) {
 942                 netdev_info(netdev,
 943                             "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 944                             cmd->rx_coalesce_usecs, rx_gl);
 945         }
 946
 947         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
 948         if (tx_gl != cmd->tx_coalesce_usecs) {
 949                 netdev_info(netdev,
 950                             "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 951                             cmd->tx_coalesce_usecs, tx_gl);
 952         }
 953
 954         return 0;
 955 }
 956
 957 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
 958                                        struct ethtool_coalesce *cmd)
 959 {
 960         u32 rl;
 961
 962         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
 963                 netdev_err(netdev,
 964                            "tx_usecs_high must be same as rx_usecs_high.\n");
 965                 return -EINVAL;
 966         }
 967
 968         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
 969                 netdev_err(netdev,
 970                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
 971                            HNS3_INT_RL_MAX);
 972                 return -EINVAL;
 973         }
 974
 975         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
 976         if (rl != cmd->rx_coalesce_usecs_high) {
 977                 netdev_info(netdev,
 978                             "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n",
 979                             cmd->rx_coalesce_usecs_high, rl);
 980         }
 981
 982         return 0;
 983 }
 984
 985 static int hns3_check_coalesce_para(struct net_device *netdev,
 986                                     struct ethtool_coalesce *cmd)
 987 {
 988         int ret;
 989
 990         ret = hns3_check_gl_coalesce_para(netdev, cmd);
 991         if (ret) {
 992                 netdev_err(netdev,
 993                            "Check gl coalesce param fail. ret = %d\n", ret);
 994                 return ret;
 995         }
 996
 997         ret = hns3_check_rl_coalesce_para(netdev, cmd);
 998         if (ret) {
 999                 netdev_err(netdev,
1000                            "Check rl coalesce param fail. ret = %d\n", ret);
1001                 return ret;
1002         }
1003
1004         if (cmd->use_adaptive_tx_coalesce == 1 ||
1005             cmd->use_adaptive_rx_coalesce == 1) {
1006                 netdev_info(netdev,
1007                             "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
1008                             cmd->use_adaptive_tx_coalesce,
1009                             cmd->use_adaptive_rx_coalesce);
1010         }
1011
1012         return 0;
1013 }
1014
1015 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1016                                         struct ethtool_coalesce *cmd,
1017                                         u32 queue)
1018 {
1019         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1020         struct hns3_nic_priv *priv = netdev_priv(netdev);
1021         struct hnae3_handle *h = priv->ae_handle;
1022         int queue_num = h->kinfo.num_tqps;
1023
1024         tx_vector = priv->ring_data[queue].ring->tqp_vector;
1025         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
1026
1027         tx_vector->tx_group.coal.gl_adapt_enable =
1028                                 cmd->use_adaptive_tx_coalesce;
1029         rx_vector->rx_group.coal.gl_adapt_enable =
1030                                 cmd->use_adaptive_rx_coalesce;
1031
1032         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1033         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1034
1035         hns3_set_vector_coalesce_tx_gl(tx_vector,
1036                                        tx_vector->tx_group.coal.int_gl);
1037         hns3_set_vector_coalesce_rx_gl(rx_vector,
1038                                        rx_vector->rx_group.coal.int_gl);
1039
1040         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1041         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1042 }
1043
1044 static int hns3_set_coalesce(struct net_device *netdev,
1045                              struct ethtool_coalesce *cmd)
1046 {
1047         struct hnae3_handle *h = hns3_get_handle(netdev);
1048         u16 queue_num = h->kinfo.num_tqps;
1049         int ret;
1050         int i;
1051
1052         if (hns3_nic_resetting(netdev))
1053                 return -EBUSY;
1054
1055         ret = hns3_check_coalesce_para(netdev, cmd);
1056         if (ret)
1057                 return ret;
1058
1059         h->kinfo.int_rl_setting =
1060                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1061
1062         for (i = 0; i < queue_num; i++)
1063                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1064
1065         return 0;
1066 }
1067
1068 static int hns3_get_regs_len(struct net_device *netdev)
1069 {
1070         struct hnae3_handle *h = hns3_get_handle(netdev);
1071
1072         if (!h->ae_algo->ops->get_regs_len)
1073                 return -EOPNOTSUPP;
1074
1075         return h->ae_algo->ops->get_regs_len(h);
1076 }
1077
1078 static void hns3_get_regs(struct net_device *netdev,
1079                           struct ethtool_regs *cmd, void *data)
1080 {
1081         struct hnae3_handle *h = hns3_get_handle(netdev);
1082
1083         if (!h->ae_algo->ops->get_regs)
1084                 return;
1085
1086         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1087 }
1088
1089 static int hns3_set_phys_id(struct net_device *netdev,
1090                             enum ethtool_phys_id_state state)
1091 {
1092         struct hnae3_handle *h = hns3_get_handle(netdev);
1093
1094         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id)
1095                 return -EOPNOTSUPP;
1096
1097         return h->ae_algo->ops->set_led_id(h, state);
1098 }
1099
1100 static const struct ethtool_ops hns3vf_ethtool_ops = {
1101         .get_drvinfo = hns3_get_drvinfo,
1102         .get_ringparam = hns3_get_ringparam,
1103         .set_ringparam = hns3_set_ringparam,
1104         .get_strings = hns3_get_strings,
1105         .get_ethtool_stats = hns3_get_stats,
1106         .get_sset_count = hns3_get_sset_count,
1107         .get_rxnfc = hns3_get_rxnfc,
1108         .set_rxnfc = hns3_set_rxnfc,
1109         .get_rxfh_key_size = hns3_get_rss_key_size,
1110         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1111         .get_rxfh = hns3_get_rss,
1112         .set_rxfh = hns3_set_rss,
1113         .get_link_ksettings = hns3_get_link_ksettings,
1114         .get_channels = hns3_get_channels,
1115         .get_coalesce = hns3_get_coalesce,
1116         .set_coalesce = hns3_set_coalesce,
1117         .get_link = hns3_get_link,
1118 };
1119
1120 static const struct ethtool_ops hns3_ethtool_ops = {
1121         .self_test = hns3_self_test,
1122         .get_drvinfo = hns3_get_drvinfo,
1123         .get_link = hns3_get_link,
1124         .get_ringparam = hns3_get_ringparam,
1125         .set_ringparam = hns3_set_ringparam,
1126         .get_pauseparam = hns3_get_pauseparam,
1127         .set_pauseparam = hns3_set_pauseparam,
1128         .get_strings = hns3_get_strings,
1129         .get_ethtool_stats = hns3_get_stats,
1130         .get_sset_count = hns3_get_sset_count,
1131         .get_rxnfc = hns3_get_rxnfc,
1132         .set_rxnfc = hns3_set_rxnfc,
1133         .get_rxfh_key_size = hns3_get_rss_key_size,
1134         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1135         .get_rxfh = hns3_get_rss,
1136         .set_rxfh = hns3_set_rss,
1137         .get_link_ksettings = hns3_get_link_ksettings,
1138         .set_link_ksettings = hns3_set_link_ksettings,
1139         .nway_reset = hns3_nway_reset,
1140         .get_channels = hns3_get_channels,
1141         .set_channels = hns3_set_channels,
1142         .get_coalesce = hns3_get_coalesce,
1143         .set_coalesce = hns3_set_coalesce,
1144         .get_regs_len = hns3_get_regs_len,
1145         .get_regs = hns3_get_regs,
1146         .set_phys_id = hns3_set_phys_id,
1147 };
1148
1149 void hns3_ethtool_set_ops(struct net_device *netdev)
1150 {
1151         struct hnae3_handle *h = hns3_get_handle(netdev);
1152
1153         if (h->flags & HNAE3_SUPPORT_VF)
1154                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1155         else
1156                 netdev->ethtool_ops = &hns3_ethtool_ops;
1157 }