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

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