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         if (!h->ae_algo->ops->start)
 104                 return -EOPNOTSUPP;
 105
 106         ret = hns3_nic_reset_all_ring(h);
 107         if (ret)
 108                 return ret;
 109
 110         ret = h->ae_algo->ops->start(h);
 111         if (ret) {
 112                 netdev_err(ndev,
 113                            "hns3_lb_up ae start return error: %d\n", ret);
 114                 return ret;
 115         }
 116
 117         ret = hns3_lp_setup(ndev, loop_mode, true);
 118         usleep_range(10000, 20000);
 119
 120         return ret;
 121 }
 122
 123 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 124 {
 125         struct hnae3_handle *h = hns3_get_handle(ndev);
 126         int ret;
 127
 128         if (!h->ae_algo->ops->stop)
 129                 return -EOPNOTSUPP;
 130
 131         ret = hns3_lp_setup(ndev, loop_mode, false);
 132         if (ret) {
 133                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 134                 return ret;
 135         }
 136
 137         h->ae_algo->ops->stop(h);
 138         usleep_range(10000, 20000);
 139
 140         return 0;
 141 }
 142
 143 static void hns3_lp_setup_skb(struct sk_buff *skb)
 144 {
 145         struct net_device *ndev = skb->dev;
 146         unsigned char *packet;
 147         struct ethhdr *ethh;
 148         unsigned int i;
 149
 150         skb_reserve(skb, NET_IP_ALIGN);
 151         ethh = skb_put(skb, sizeof(struct ethhdr));
 152         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 153
 154         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 155         eth_zero_addr(ethh->h_source);
 156         ethh->h_proto = htons(ETH_P_ARP);
 157         skb_reset_mac_header(skb);
 158
 159         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 160                 packet[i] = (unsigned char)(i & 0xff);
 161 }
 162
 163 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 164                                    struct sk_buff *skb)
 165 {
 166         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 167         unsigned char *packet = skb->data;
 168         u32 i;
 169
 170         for (i = 0; i < skb->len; i++)
 171                 if (packet[i] != (unsigned char)(i & 0xff))
 172                         break;
 173
 174         /* The packet is correctly received */
 175         if (i == skb->len)
 176                 tqp_vector->rx_group.total_packets++;
 177         else
 178                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 179                                skb->data, skb->len, true);
 180
 181         dev_kfree_skb_any(skb);
 182 }
 183
 184 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 185 {
 186         struct hnae3_handle *h = priv->ae_handle;
 187         struct hnae3_knic_private_info *kinfo;
 188         u32 i, rcv_good_pkt_total = 0;
 189
 190         kinfo = &h->kinfo;
 191         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 192                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 193                 struct hns3_enet_ring_group *rx_group;
 194                 u64 pre_rx_pkt;
 195
 196                 rx_group = &ring->tqp_vector->rx_group;
 197                 pre_rx_pkt = rx_group->total_packets;
 198
 199                 preempt_disable();
 200                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 201                 preempt_enable();
 202
 203                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 204                 rx_group->total_packets = pre_rx_pkt;
 205         }
 206         return rcv_good_pkt_total;
 207 }
 208
 209 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 210                                   u32 end_ringid, u32 budget)
 211 {
 212         u32 i;
 213
 214         for (i = start_ringid; i <= end_ringid; i++) {
 215                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 216
 217                 hns3_clean_tx_ring(ring, budget);
 218         }
 219 }
 220
 221 /**
 222  * hns3_lp_run_test -  run loopback test
 223  * @ndev: net device
 224  * @mode: loopback type
 225  */
 226 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 227 {
 228         struct hns3_nic_priv *priv = netdev_priv(ndev);
 229         struct sk_buff *skb;
 230         u32 i, good_cnt;
 231         int ret_val = 0;
 232
 233         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 234                         GFP_KERNEL);
 235         if (!skb)
 236                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 237
 238         skb->dev = ndev;
 239         hns3_lp_setup_skb(skb);
 240         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 241
 242         good_cnt = 0;
 243         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 244                 netdev_tx_t tx_ret;
 245
 246                 skb_get(skb);
 247                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 248                 if (tx_ret == NETDEV_TX_OK)
 249                         good_cnt++;
 250                 else
 251                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 252                                    tx_ret);
 253         }
 254         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 255                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 256                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 257                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 258                 goto out;
 259         }
 260
 261         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 262         msleep(200);
 263
 264         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 265         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 266                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 267                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 268                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 269         }
 270
 271 out:
 272         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 273                               HNS3_NIC_LB_TEST_RING_ID,
 274                               HNS3_NIC_LB_TEST_PKT_NUM);
 275
 276         kfree_skb(skb);
 277         return ret_val;
 278 }
 279
 280 /**
 281  * hns3_nic_self_test - self test
 282  * @ndev: net device
 283  * @eth_test: test cmd
 284  * @data: test result
 285  */
 286 static void hns3_self_test(struct net_device *ndev,
 287                            struct ethtool_test *eth_test, u64 *data)
 288 {
 289         struct hns3_nic_priv *priv = netdev_priv(ndev);
 290         struct hnae3_handle *h = priv->ae_handle;
 291         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 292         bool if_running = netif_running(ndev);
 293 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 294         bool dis_vlan_filter;
 295 #endif
 296         int test_index = 0;
 297         u32 i;
 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_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
 304         st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
 305                         h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;
 306
 307         st_param[HNAE3_MAC_INTER_LOOP_SERDES][0] = HNAE3_MAC_INTER_LOOP_SERDES;
 308         st_param[HNAE3_MAC_INTER_LOOP_SERDES][1] =
 309                         h->flags & HNAE3_SUPPORT_SERDES_LOOPBACK;
 310
 311         if (if_running)
 312                 dev_close(ndev);
 313
 314 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 315         /* Disable the vlan filter for selftest does not support it */
 316         dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
 317                                 h->ae_algo->ops->enable_vlan_filter;
 318         if (dis_vlan_filter)
 319                 h->ae_algo->ops->enable_vlan_filter(h, false);
 320 #endif
 321
 322         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 323
 324         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 325                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 326
 327                 if (!st_param[i][1])
 328                         continue;
 329
 330                 data[test_index] = hns3_lp_up(ndev, loop_type);
 331                 if (!data[test_index]) {
 332                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 333                         hns3_lp_down(ndev, loop_type);
 334                 }
 335
 336                 if (data[test_index])
 337                         eth_test->flags |= ETH_TEST_FL_FAILED;
 338
 339                 test_index++;
 340         }
 341
 342         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 343
 344 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 345         if (dis_vlan_filter)
 346                 h->ae_algo->ops->enable_vlan_filter(h, true);
 347 #endif
 348
 349         if (if_running)
 350                 dev_open(ndev);
 351 }
 352
 353 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 354 {
 355         struct hnae3_handle *h = hns3_get_handle(netdev);
 356         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 357
 358         if (!ops->get_sset_count)
 359                 return -EOPNOTSUPP;
 360
 361         switch (stringset) {
 362         case ETH_SS_STATS:
 363                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 364                         ops->get_sset_count(h, stringset));
 365
 366         case ETH_SS_TEST:
 367                 return ops->get_sset_count(h, stringset);
 368         }
 369
 370         return 0;
 371 }
 372
 373 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 374                 u32 stat_count, u32 num_tqps, const char *prefix)
 375 {
 376 #define MAX_PREFIX_SIZE (6 + 4)
 377         u32 size_left;
 378         u32 i, j;
 379         u32 n1;
 380
 381         for (i = 0; i < num_tqps; i++) {
 382                 for (j = 0; j < stat_count; j++) {
 383                         data[ETH_GSTRING_LEN - 1] = '\0';
 384
 385                         /* first, prepend the prefix string */
 386                         n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_",
 387                                       prefix, i);
 388                         n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
 389                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 390
 391                         /* now, concatenate the stats string to it */
 392                         strncat(data, stats[j].stats_string, size_left);
 393                         data += ETH_GSTRING_LEN;
 394                 }
 395         }
 396
 397         return data;
 398 }
 399
 400 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 401 {
 402         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 403         const char tx_prefix[] = "txq";
 404         const char rx_prefix[] = "rxq";
 405
 406         /* get strings for Tx */
 407         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 408                                    kinfo->num_tqps, tx_prefix);
 409
 410         /* get strings for Rx */
 411         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 412                                    kinfo->num_tqps, rx_prefix);
 413
 414         return data;
 415 }
 416
 417 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 418 {
 419         struct hnae3_handle *h = hns3_get_handle(netdev);
 420         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 421         char *buff = (char *)data;
 422
 423         if (!ops->get_strings)
 424                 return;
 425
 426         switch (stringset) {
 427         case ETH_SS_STATS:
 428                 buff = hns3_get_strings_tqps(h, buff);
 429                 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
 430                 break;
 431         case ETH_SS_TEST:
 432                 ops->get_strings(h, stringset, data);
 433                 break;
 434         }
 435 }
 436
 437 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 438 {
 439         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 440         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 441         struct hns3_enet_ring *ring;
 442         u8 *stat;
 443         int i, j;
 444
 445         /* get stats for Tx */
 446         for (i = 0; i < kinfo->num_tqps; i++) {
 447                 ring = nic_priv->ring_data[i].ring;
 448                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 449                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 450                         *data++ = *(u64 *)stat;
 451                 }
 452         }
 453
 454         /* get stats for Rx */
 455         for (i = 0; i < kinfo->num_tqps; i++) {
 456                 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
 457                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 458                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 459                         *data++ = *(u64 *)stat;
 460                 }
 461         }
 462
 463         return data;
 464 }
 465
 466 /* hns3_get_stats - get detail statistics.
 467  * @netdev: net device
 468  * @stats: statistics info.
 469  * @data: statistics data.
 470  */
 471 static void hns3_get_stats(struct net_device *netdev,
 472                            struct ethtool_stats *stats, u64 *data)
 473 {
 474         struct hnae3_handle *h = hns3_get_handle(netdev);
 475         u64 *p = data;
 476
 477         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 478                 netdev_err(netdev, "could not get any statistics\n");
 479                 return;
 480         }
 481
 482         h->ae_algo->ops->update_stats(h, &netdev->stats);
 483
 484         /* get per-queue stats */
 485         p = hns3_get_stats_tqps(h, p);
 486
 487         /* get MAC & other misc hardware stats */
 488         h->ae_algo->ops->get_stats(h, p);
 489 }
 490
 491 static void hns3_get_drvinfo(struct net_device *netdev,
 492                              struct ethtool_drvinfo *drvinfo)
 493 {
 494         struct hns3_nic_priv *priv = netdev_priv(netdev);
 495         struct hnae3_handle *h = priv->ae_handle;
 496
 497         strncpy(drvinfo->version, hns3_driver_version,
 498                 sizeof(drvinfo->version));
 499         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 500
 501         strncpy(drvinfo->driver, h->pdev->driver->name,
 502                 sizeof(drvinfo->driver));
 503         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 504
 505         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 506                 sizeof(drvinfo->bus_info));
 507         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 508
 509         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 510                  priv->ae_handle->ae_algo->ops->get_fw_version(h));
 511 }
 512
 513 static u32 hns3_get_link(struct net_device *netdev)
 514 {
 515         struct hnae3_handle *h = hns3_get_handle(netdev);
 516
 517         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
 518                 return h->ae_algo->ops->get_status(h);
 519         else
 520                 return 0;
 521 }
 522
 523 static void hns3_get_ringparam(struct net_device *netdev,
 524                                struct ethtool_ringparam *param)
 525 {
 526         struct hns3_nic_priv *priv = netdev_priv(netdev);
 527         struct hnae3_handle *h = priv->ae_handle;
 528         int queue_num = h->kinfo.num_tqps;
 529
 530         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 531         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 532
 533         param->tx_pending = priv->ring_data[0].ring->desc_num;
 534         param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
 535 }
 536
 537 static void hns3_get_pauseparam(struct net_device *netdev,
 538                                 struct ethtool_pauseparam *param)
 539 {
 540         struct hnae3_handle *h = hns3_get_handle(netdev);
 541
 542         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
 543                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 544                         &param->rx_pause, &param->tx_pause);
 545 }
 546
 547 static int hns3_set_pauseparam(struct net_device *netdev,
 548                                struct ethtool_pauseparam *param)
 549 {
 550         struct hnae3_handle *h = hns3_get_handle(netdev);
 551
 552         if (h->ae_algo->ops->set_pauseparam)
 553                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 554                                                        param->rx_pause,
 555                                                        param->tx_pause);
 556         return -EOPNOTSUPP;
 557 }
 558
 559 static int hns3_get_link_ksettings(struct net_device *netdev,
 560                                    struct ethtool_link_ksettings *cmd)
 561 {
 562         struct hnae3_handle *h = hns3_get_handle(netdev);
 563         u32 flowctrl_adv = 0;
 564         u8 link_stat;
 565
 566         if (!h->ae_algo || !h->ae_algo->ops)
 567                 return -EOPNOTSUPP;
 568
 569         /* 1.auto_neg & speed & duplex from cmd */
 570         if (netdev->phydev) {
 571                 phy_ethtool_ksettings_get(netdev->phydev, cmd);
 572
 573                 return 0;
 574         }
 575
 576         if (h->ae_algo->ops->get_ksettings_an_result)
 577                 h->ae_algo->ops->get_ksettings_an_result(h,
 578                                                          &cmd->base.autoneg,
 579                                                          &cmd->base.speed,
 580                                                          &cmd->base.duplex);
 581         else
 582                 return -EOPNOTSUPP;
 583
 584         link_stat = hns3_get_link(netdev);
 585         if (!link_stat) {
 586                 cmd->base.speed = SPEED_UNKNOWN;
 587                 cmd->base.duplex = DUPLEX_UNKNOWN;
 588         }
 589
 590         /* 2.get link mode and port type*/
 591         if (h->ae_algo->ops->get_link_mode)
 592                 h->ae_algo->ops->get_link_mode(h,
 593                                                cmd->link_modes.supported,
 594                                                cmd->link_modes.advertising);
 595
 596         cmd->base.port = PORT_NONE;
 597         if (h->ae_algo->ops->get_port_type)
 598                 h->ae_algo->ops->get_port_type(h,
 599                                                &cmd->base.port);
 600
 601         /* 3.mdix_ctrl&mdix get from phy reg */
 602         if (h->ae_algo->ops->get_mdix_mode)
 603                 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 604                                                &cmd->base.eth_tp_mdix);
 605         /* 4.mdio_support */
 606         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 607
 608         /* 5.get flow control setttings */
 609         if (h->ae_algo->ops->get_flowctrl_adv)
 610                 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv);
 611
 612         if (flowctrl_adv & ADVERTISED_Pause)
 613                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 614                                                      Pause);
 615
 616         if (flowctrl_adv & ADVERTISED_Asym_Pause)
 617                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 618                                                      Asym_Pause);
 619
 620         return 0;
 621 }
 622
 623 static int hns3_set_link_ksettings(struct net_device *netdev,
 624                                    const struct ethtool_link_ksettings *cmd)
 625 {
 626         /* Only support ksettings_set for netdev with phy attached for now */
 627         if (netdev->phydev)
 628                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 629
 630         return -EOPNOTSUPP;
 631 }
 632
 633 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 634 {
 635         struct hnae3_handle *h = hns3_get_handle(netdev);
 636
 637         if (!h->ae_algo || !h->ae_algo->ops ||
 638             !h->ae_algo->ops->get_rss_key_size)
 639                 return 0;
 640
 641         return h->ae_algo->ops->get_rss_key_size(h);
 642 }
 643
 644 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 645 {
 646         struct hnae3_handle *h = hns3_get_handle(netdev);
 647
 648         if (!h->ae_algo || !h->ae_algo->ops ||
 649             !h->ae_algo->ops->get_rss_indir_size)
 650                 return 0;
 651
 652         return h->ae_algo->ops->get_rss_indir_size(h);
 653 }
 654
 655 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 656                         u8 *hfunc)
 657 {
 658         struct hnae3_handle *h = hns3_get_handle(netdev);
 659
 660         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
 661                 return -EOPNOTSUPP;
 662
 663         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 664 }
 665
 666 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 667                         const u8 *key, const u8 hfunc)
 668 {
 669         struct hnae3_handle *h = hns3_get_handle(netdev);
 670
 671         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
 672                 return -EOPNOTSUPP;
 673
 674         /* currently we only support Toeplitz hash */
 675         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
 676                 netdev_err(netdev,
 677                            "hash func not supported (only Toeplitz hash)\n");
 678                 return -EOPNOTSUPP;
 679         }
 680         if (!indir) {
 681                 netdev_err(netdev,
 682                            "set rss failed for indir is empty\n");
 683                 return -EOPNOTSUPP;
 684         }
 685
 686         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 687 }
 688
 689 static int hns3_get_rxnfc(struct net_device *netdev,
 690                           struct ethtool_rxnfc *cmd,
 691                           u32 *rule_locs)
 692 {
 693         struct hnae3_handle *h = hns3_get_handle(netdev);
 694
 695         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
 696                 return -EOPNOTSUPP;
 697
 698         switch (cmd->cmd) {
 699         case ETHTOOL_GRXRINGS:
 700                 cmd->data = h->kinfo.rss_size;
 701                 break;
 702         case ETHTOOL_GRXFH:
 703                 return h->ae_algo->ops->get_rss_tuple(h, cmd);
 704         default:
 705                 return -EOPNOTSUPP;
 706         }
 707
 708         return 0;
 709 }
 710
 711 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 712                                        u32 new_desc_num)
 713 {
 714         struct hnae3_handle *h = priv->ae_handle;
 715         int i;
 716
 717         h->kinfo.num_desc = new_desc_num;
 718
 719         for (i = 0; i < h->kinfo.num_tqps * 2; i++)
 720                 priv->ring_data[i].ring->desc_num = new_desc_num;
 721
 722         return hns3_init_all_ring(priv);
 723 }
 724
 725 static int hns3_set_ringparam(struct net_device *ndev,
 726                               struct ethtool_ringparam *param)
 727 {
 728         struct hns3_nic_priv *priv = netdev_priv(ndev);
 729         struct hnae3_handle *h = priv->ae_handle;
 730         bool if_running = netif_running(ndev);
 731         u32 old_desc_num, new_desc_num;
 732         int ret;
 733
 734         if (param->rx_mini_pending || param->rx_jumbo_pending)
 735                 return -EINVAL;
 736
 737         if (param->tx_pending != param->rx_pending) {
 738                 netdev_err(ndev,
 739                            "Descriptors of tx and rx must be equal");
 740                 return -EINVAL;
 741         }
 742
 743         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 744             param->tx_pending < HNS3_RING_MIN_PENDING) {
 745                 netdev_err(ndev,
 746                            "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
 747                            param->tx_pending, HNS3_RING_MIN_PENDING,
 748                            HNS3_RING_MAX_PENDING);
 749                 return -EINVAL;
 750         }
 751
 752         new_desc_num = param->tx_pending;
 753
 754         /* Hardware requires that its descriptors must be multiple of eight */
 755         new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
 756         old_desc_num = h->kinfo.num_desc;
 757         if (old_desc_num == new_desc_num)
 758                 return 0;
 759
 760         netdev_info(ndev,
 761                     "Changing descriptor count from %d to %d.\n",
 762                     old_desc_num, new_desc_num);
 763
 764         if (if_running)
 765                 dev_close(ndev);
 766
 767         ret = hns3_uninit_all_ring(priv);
 768         if (ret)
 769                 return ret;
 770
 771         ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
 772         if (ret) {
 773                 ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
 774                 if (ret) {
 775                         netdev_err(ndev,
 776                                    "Revert to old bd num fail, ret=%d.\n", ret);
 777                         return ret;
 778                 }
 779         }
 780
 781         if (if_running)
 782                 ret = dev_open(ndev);
 783
 784         return ret;
 785 }
 786
 787 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
 788 {
 789         struct hnae3_handle *h = hns3_get_handle(netdev);
 790
 791         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
 792                 return -EOPNOTSUPP;
 793
 794         switch (cmd->cmd) {
 795         case ETHTOOL_SRXFH:
 796                 return h->ae_algo->ops->set_rss_tuple(h, cmd);
 797         default:
 798                 return -EOPNOTSUPP;
 799         }
 800 }
 801
 802 static int hns3_nway_reset(struct net_device *netdev)
 803 {
 804         struct phy_device *phy = netdev->phydev;
 805
 806         if (!netif_running(netdev))
 807                 return 0;
 808
 809         /* Only support nway_reset for netdev with phy attached for now */
 810         if (!phy)
 811                 return -EOPNOTSUPP;
 812
 813         if (phy->autoneg != AUTONEG_ENABLE)
 814                 return -EINVAL;
 815
 816         return genphy_restart_aneg(phy);
 817 }
 818
 819 static void hns3_get_channels(struct net_device *netdev,
 820                               struct ethtool_channels *ch)
 821 {
 822         struct hnae3_handle *h = hns3_get_handle(netdev);
 823
 824         if (h->ae_algo->ops->get_channels)
 825                 h->ae_algo->ops->get_channels(h, ch);
 826 }
 827
 828 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
 829                                        struct ethtool_coalesce *cmd)
 830 {
 831         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
 832         struct hns3_nic_priv *priv = netdev_priv(netdev);
 833         struct hnae3_handle *h = priv->ae_handle;
 834         u16 queue_num = h->kinfo.num_tqps;
 835
 836         if (queue >= queue_num) {
 837                 netdev_err(netdev,
 838                            "Invalid queue value %d! Queue max id=%d\n",
 839                            queue, queue_num - 1);
 840                 return -EINVAL;
 841         }
 842
 843         tx_vector = priv->ring_data[queue].ring->tqp_vector;
 844         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
 845
 846         cmd->use_adaptive_tx_coalesce =
 847                         tx_vector->tx_group.coal.gl_adapt_enable;
 848         cmd->use_adaptive_rx_coalesce =
 849                         rx_vector->rx_group.coal.gl_adapt_enable;
 850
 851         cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
 852         cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
 853
 854         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 855         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
 856
 857         return 0;
 858 }
 859
 860 static int hns3_get_coalesce(struct net_device *netdev,
 861                              struct ethtool_coalesce *cmd)
 862 {
 863         return hns3_get_coalesce_per_queue(netdev, 0, cmd);
 864 }
 865
 866 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
 867                                        struct ethtool_coalesce *cmd)
 868 {
 869         u32 rx_gl, tx_gl;
 870
 871         if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
 872                 netdev_err(netdev,
 873                            "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
 874                            HNS3_INT_GL_MAX);
 875                 return -EINVAL;
 876         }
 877
 878         if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
 879                 netdev_err(netdev,
 880                            "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
 881                            HNS3_INT_GL_MAX);
 882                 return -EINVAL;
 883         }
 884
 885         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
 886         if (rx_gl != cmd->rx_coalesce_usecs) {
 887                 netdev_info(netdev,
 888                             "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 889                             cmd->rx_coalesce_usecs, rx_gl);
 890         }
 891
 892         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
 893         if (tx_gl != cmd->tx_coalesce_usecs) {
 894                 netdev_info(netdev,
 895                             "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
 896                             cmd->tx_coalesce_usecs, tx_gl);
 897         }
 898
 899         return 0;
 900 }
 901
 902 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
 903                                        struct ethtool_coalesce *cmd)
 904 {
 905         u32 rl;
 906
 907         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
 908                 netdev_err(netdev,
 909                            "tx_usecs_high must be same as rx_usecs_high.\n");
 910                 return -EINVAL;
 911         }
 912
 913         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
 914                 netdev_err(netdev,
 915                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
 916                            HNS3_INT_RL_MAX);
 917                 return -EINVAL;
 918         }
 919
 920         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
 921         if (rl != cmd->rx_coalesce_usecs_high) {
 922                 netdev_info(netdev,
 923                             "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n",
 924                             cmd->rx_coalesce_usecs_high, rl);
 925         }
 926
 927         return 0;
 928 }
 929
 930 static int hns3_check_coalesce_para(struct net_device *netdev,
 931                                     struct ethtool_coalesce *cmd)
 932 {
 933         int ret;
 934
 935         ret = hns3_check_gl_coalesce_para(netdev, cmd);
 936         if (ret) {
 937                 netdev_err(netdev,
 938                            "Check gl coalesce param fail. ret = %d\n", ret);
 939                 return ret;
 940         }
 941
 942         ret = hns3_check_rl_coalesce_para(netdev, cmd);
 943         if (ret) {
 944                 netdev_err(netdev,
 945                            "Check rl coalesce param fail. ret = %d\n", ret);
 946                 return ret;
 947         }
 948
 949         if (cmd->use_adaptive_tx_coalesce == 1 ||
 950             cmd->use_adaptive_rx_coalesce == 1) {
 951                 netdev_info(netdev,
 952                             "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
 953                             cmd->use_adaptive_tx_coalesce,
 954                             cmd->use_adaptive_rx_coalesce);
 955         }
 956
 957         return 0;
 958 }
 959
 960 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
 961                                         struct ethtool_coalesce *cmd,
 962                                         u32 queue)
 963 {
 964         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
 965         struct hns3_nic_priv *priv = netdev_priv(netdev);
 966         struct hnae3_handle *h = priv->ae_handle;
 967         int queue_num = h->kinfo.num_tqps;
 968
 969         tx_vector = priv->ring_data[queue].ring->tqp_vector;
 970         rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
 971
 972         tx_vector->tx_group.coal.gl_adapt_enable =
 973                                 cmd->use_adaptive_tx_coalesce;
 974         rx_vector->rx_group.coal.gl_adapt_enable =
 975                                 cmd->use_adaptive_rx_coalesce;
 976
 977         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
 978         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
 979
 980         hns3_set_vector_coalesce_tx_gl(tx_vector,
 981                                        tx_vector->tx_group.coal.int_gl);
 982         hns3_set_vector_coalesce_rx_gl(rx_vector,
 983                                        rx_vector->rx_group.coal.int_gl);
 984
 985         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
 986         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
 987 }
 988
 989 static int hns3_set_coalesce(struct net_device *netdev,
 990                              struct ethtool_coalesce *cmd)
 991 {
 992         struct hnae3_handle *h = hns3_get_handle(netdev);
 993         u16 queue_num = h->kinfo.num_tqps;
 994         int ret;
 995         int i;
 996
 997         ret = hns3_check_coalesce_para(netdev, cmd);
 998         if (ret)
 999                 return ret;
1000
1001         h->kinfo.int_rl_setting =
1002                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1003
1004         for (i = 0; i < queue_num; i++)
1005                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1006
1007         return 0;
1008 }
1009
1010 static int hns3_get_regs_len(struct net_device *netdev)
1011 {
1012         struct hnae3_handle *h = hns3_get_handle(netdev);
1013
1014         if (!h->ae_algo->ops->get_regs_len)
1015                 return -EOPNOTSUPP;
1016
1017         return h->ae_algo->ops->get_regs_len(h);
1018 }
1019
1020 static void hns3_get_regs(struct net_device *netdev,
1021                           struct ethtool_regs *cmd, void *data)
1022 {
1023         struct hnae3_handle *h = hns3_get_handle(netdev);
1024
1025         if (!h->ae_algo->ops->get_regs)
1026                 return;
1027
1028         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1029 }
1030
1031 static int hns3_set_phys_id(struct net_device *netdev,
1032                             enum ethtool_phys_id_state state)
1033 {
1034         struct hnae3_handle *h = hns3_get_handle(netdev);
1035
1036         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id)
1037                 return -EOPNOTSUPP;
1038
1039         return h->ae_algo->ops->set_led_id(h, state);
1040 }
1041
1042 static const struct ethtool_ops hns3vf_ethtool_ops = {
1043         .get_drvinfo = hns3_get_drvinfo,
1044         .get_ringparam = hns3_get_ringparam,
1045         .set_ringparam = hns3_set_ringparam,
1046         .get_strings = hns3_get_strings,
1047         .get_ethtool_stats = hns3_get_stats,
1048         .get_sset_count = hns3_get_sset_count,
1049         .get_rxnfc = hns3_get_rxnfc,
1050         .get_rxfh_key_size = hns3_get_rss_key_size,
1051         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1052         .get_rxfh = hns3_get_rss,
1053         .set_rxfh = hns3_set_rss,
1054         .get_link_ksettings = hns3_get_link_ksettings,
1055         .get_channels = hns3_get_channels,
1056         .get_coalesce = hns3_get_coalesce,
1057         .set_coalesce = hns3_set_coalesce,
1058         .get_link = hns3_get_link,
1059 };
1060
1061 static const struct ethtool_ops hns3_ethtool_ops = {
1062         .self_test = hns3_self_test,
1063         .get_drvinfo = hns3_get_drvinfo,
1064         .get_link = hns3_get_link,
1065         .get_ringparam = hns3_get_ringparam,
1066         .set_ringparam = hns3_set_ringparam,
1067         .get_pauseparam = hns3_get_pauseparam,
1068         .set_pauseparam = hns3_set_pauseparam,
1069         .get_strings = hns3_get_strings,
1070         .get_ethtool_stats = hns3_get_stats,
1071         .get_sset_count = hns3_get_sset_count,
1072         .get_rxnfc = hns3_get_rxnfc,
1073         .set_rxnfc = hns3_set_rxnfc,
1074         .get_rxfh_key_size = hns3_get_rss_key_size,
1075         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1076         .get_rxfh = hns3_get_rss,
1077         .set_rxfh = hns3_set_rss,
1078         .get_link_ksettings = hns3_get_link_ksettings,
1079         .set_link_ksettings = hns3_set_link_ksettings,
1080         .nway_reset = hns3_nway_reset,
1081         .get_channels = hns3_get_channels,
1082         .set_channels = hns3_set_channels,
1083         .get_coalesce = hns3_get_coalesce,
1084         .set_coalesce = hns3_set_coalesce,
1085         .get_regs_len = hns3_get_regs_len,
1086         .get_regs = hns3_get_regs,
1087         .set_phys_id = hns3_set_phys_id,
1088 };
1089
1090 void hns3_ethtool_set_ops(struct net_device *netdev)
1091 {
1092         struct hnae3_handle *h = hns3_get_handle(netdev);
1093
1094         if (h->flags & HNAE3_SUPPORT_VF)
1095                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1096         else
1097                 netdev->ethtool_ops = &hns3_ethtool_ops;
1098 }