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