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         HNS3_TQP_STAT("copy", tx_copy),
  33         HNS3_TQP_STAT("vlan_err", tx_vlan_err),
  34         HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
  35         HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
  36         HNS3_TQP_STAT("tso_err", tx_tso_err),
  37 };
  38
  39 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
  40
  41 static const struct hns3_stats hns3_rxq_stats[] = {
  42         /* Rx per-queue statistics */
  43         HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
  44         HNS3_TQP_STAT("dropped", sw_err_cnt),
  45         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  46         HNS3_TQP_STAT("packets", rx_pkts),
  47         HNS3_TQP_STAT("bytes", rx_bytes),
  48         HNS3_TQP_STAT("errors", rx_err_cnt),
  49         HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
  50         HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
  51         HNS3_TQP_STAT("err_bd_num", err_bd_num),
  52         HNS3_TQP_STAT("l2_err", l2_err),
  53         HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
  54         HNS3_TQP_STAT("multicast", rx_multicast),
  55         HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
  56 };
  57
  58 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
  59
  60 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
  61
  62 #define HNS3_SELF_TEST_TYPE_NUM         4
  63 #define HNS3_NIC_LB_TEST_PKT_NUM        1
  64 #define HNS3_NIC_LB_TEST_RING_ID        0
  65 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  66 #define HNS3_NIC_LB_SETUP_USEC          10000
  67
  68 /* Nic loopback test err  */
  69 #define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
  70 #define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
  71 #define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
  72
  73 struct hns3_link_mode_mapping {
  74         u32 hns3_link_mode;
  75         u32 ethtool_link_mode;
  76 };
  77
  78 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
  79 {
  80         struct hnae3_handle *h = hns3_get_handle(ndev);
  81         bool vlan_filter_enable;
  82         int ret;
  83
  84         if (!h->ae_algo->ops->set_loopback ||
  85             !h->ae_algo->ops->set_promisc_mode)
  86                 return -EOPNOTSUPP;
  87
  88         switch (loop) {
  89         case HNAE3_LOOP_SERIAL_SERDES:
  90         case HNAE3_LOOP_PARALLEL_SERDES:
  91         case HNAE3_LOOP_APP:
  92         case HNAE3_LOOP_PHY:
  93                 ret = h->ae_algo->ops->set_loopback(h, loop, en);
  94                 break;
  95         default:
  96                 ret = -ENOTSUPP;
  97                 break;
  98         }
  99
 100         if (ret || h->pdev->revision >= 0x21)
 101                 return ret;
 102
 103         if (en) {
 104                 h->ae_algo->ops->set_promisc_mode(h, true, true);
 105         } else {
 106                 /* recover promisc mode before loopback test */
 107                 hns3_update_promisc_mode(ndev, h->netdev_flags);
 108                 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
 109                 hns3_enable_vlan_filter(ndev, vlan_filter_enable);
 110         }
 111
 112         return ret;
 113 }
 114
 115 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
 116 {
 117         struct hnae3_handle *h = hns3_get_handle(ndev);
 118         int ret;
 119
 120         ret = hns3_nic_reset_all_ring(h);
 121         if (ret)
 122                 return ret;
 123
 124         ret = hns3_lp_setup(ndev, loop_mode, true);
 125         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 126
 127         return ret;
 128 }
 129
 130 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 131 {
 132         int ret;
 133
 134         ret = hns3_lp_setup(ndev, loop_mode, false);
 135         if (ret) {
 136                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 137                 return ret;
 138         }
 139
 140         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 141
 142         return 0;
 143 }
 144
 145 static void hns3_lp_setup_skb(struct sk_buff *skb)
 146 {
 147 #define HNS3_NIC_LB_DST_MAC_ADDR        0x1f
 148
 149         struct net_device *ndev = skb->dev;
 150         struct hnae3_handle *handle;
 151         unsigned char *packet;
 152         struct ethhdr *ethh;
 153         unsigned int i;
 154
 155         skb_reserve(skb, NET_IP_ALIGN);
 156         ethh = skb_put(skb, sizeof(struct ethhdr));
 157         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 158
 159         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 160
 161         /* The dst mac addr of loopback packet is the same as the host'
 162          * mac addr, the SSU component may loop back the packet to host
 163          * before the packet reaches mac or serdes, which will defect
 164          * the purpose of mac or serdes selftest.
 165          */
 166         handle = hns3_get_handle(ndev);
 167         if (handle->pdev->revision == 0x20)
 168                 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
 169         eth_zero_addr(ethh->h_source);
 170         ethh->h_proto = htons(ETH_P_ARP);
 171         skb_reset_mac_header(skb);
 172
 173         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 174                 packet[i] = (unsigned char)(i & 0xff);
 175 }
 176
 177 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 178                                    struct sk_buff *skb)
 179 {
 180         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 181         unsigned char *packet = skb->data;
 182         u32 i;
 183
 184         for (i = 0; i < skb->len; i++)
 185                 if (packet[i] != (unsigned char)(i & 0xff))
 186                         break;
 187
 188         /* The packet is correctly received */
 189         if (i == skb->len)
 190                 tqp_vector->rx_group.total_packets++;
 191         else
 192                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 193                                skb->data, skb->len, true);
 194
 195         dev_kfree_skb_any(skb);
 196 }
 197
 198 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 199 {
 200         struct hnae3_handle *h = priv->ae_handle;
 201         struct hnae3_knic_private_info *kinfo;
 202         u32 i, rcv_good_pkt_total = 0;
 203
 204         kinfo = &h->kinfo;
 205         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 206                 struct hns3_enet_ring *ring = &priv->ring[i];
 207                 struct hns3_enet_ring_group *rx_group;
 208                 u64 pre_rx_pkt;
 209
 210                 rx_group = &ring->tqp_vector->rx_group;
 211                 pre_rx_pkt = rx_group->total_packets;
 212
 213                 preempt_disable();
 214                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 215                 preempt_enable();
 216
 217                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 218                 rx_group->total_packets = pre_rx_pkt;
 219         }
 220         return rcv_good_pkt_total;
 221 }
 222
 223 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 224                                   u32 end_ringid, u32 budget)
 225 {
 226         u32 i;
 227
 228         for (i = start_ringid; i <= end_ringid; i++) {
 229                 struct hns3_enet_ring *ring = &priv->ring[i];
 230
 231                 hns3_clean_tx_ring(ring);
 232         }
 233 }
 234
 235 /**
 236  * hns3_lp_run_test -  run loopback test
 237  * @ndev: net device
 238  * @mode: loopback type
 239  */
 240 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 241 {
 242         struct hns3_nic_priv *priv = netdev_priv(ndev);
 243         struct sk_buff *skb;
 244         u32 i, good_cnt;
 245         int ret_val = 0;
 246
 247         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 248                         GFP_KERNEL);
 249         if (!skb)
 250                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 251
 252         skb->dev = ndev;
 253         hns3_lp_setup_skb(skb);
 254         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 255
 256         good_cnt = 0;
 257         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 258                 netdev_tx_t tx_ret;
 259
 260                 skb_get(skb);
 261                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 262                 if (tx_ret == NETDEV_TX_OK) {
 263                         good_cnt++;
 264                 } else {
 265                         kfree_skb(skb);
 266                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 267                                    tx_ret);
 268                 }
 269         }
 270         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 271                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 272                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 273                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 274                 goto out;
 275         }
 276
 277         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 278         msleep(200);
 279
 280         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 281         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 282                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 283                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 284                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 285         }
 286
 287 out:
 288         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 289                               HNS3_NIC_LB_TEST_RING_ID,
 290                               HNS3_NIC_LB_TEST_PKT_NUM);
 291
 292         kfree_skb(skb);
 293         return ret_val;
 294 }
 295
 296 /**
 297  * hns3_nic_self_test - self test
 298  * @ndev: net device
 299  * @eth_test: test cmd
 300  * @data: test result
 301  */
 302 static void hns3_self_test(struct net_device *ndev,
 303                            struct ethtool_test *eth_test, u64 *data)
 304 {
 305         struct hns3_nic_priv *priv = netdev_priv(ndev);
 306         struct hnae3_handle *h = priv->ae_handle;
 307         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 308         bool if_running = netif_running(ndev);
 309 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 310         bool dis_vlan_filter;
 311 #endif
 312         int test_index = 0;
 313         u32 i;
 314
 315         if (hns3_nic_resetting(ndev)) {
 316                 netdev_err(ndev, "dev resetting!");
 317                 return;
 318         }
 319
 320         /* Only do offline selftest, or pass by default */
 321         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 322                 return;
 323
 324         netif_dbg(h, drv, ndev, "self test start");
 325
 326         st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
 327         st_param[HNAE3_LOOP_APP][1] =
 328                         h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
 329
 330         st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
 331         st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
 332                         h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 333
 334         st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
 335                         HNAE3_LOOP_PARALLEL_SERDES;
 336         st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
 337                         h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 338
 339         st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
 340         st_param[HNAE3_LOOP_PHY][1] =
 341                         h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
 342
 343         if (if_running)
 344                 ndev->netdev_ops->ndo_stop(ndev);
 345
 346 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 347         /* Disable the vlan filter for selftest does not support it */
 348         dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
 349                                 h->ae_algo->ops->enable_vlan_filter;
 350         if (dis_vlan_filter)
 351                 h->ae_algo->ops->enable_vlan_filter(h, false);
 352 #endif
 353
 354         /* Tell firmware to stop mac autoneg before loopback test start,
 355          * otherwise loopback test may be failed when the port is still
 356          * negotiating.
 357          */
 358         if (h->ae_algo->ops->halt_autoneg)
 359                 h->ae_algo->ops->halt_autoneg(h, true);
 360
 361         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 362
 363         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 364                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 365
 366                 if (!st_param[i][1])
 367                         continue;
 368
 369                 data[test_index] = hns3_lp_up(ndev, loop_type);
 370                 if (!data[test_index])
 371                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 372
 373                 hns3_lp_down(ndev, loop_type);
 374
 375                 if (data[test_index])
 376                         eth_test->flags |= ETH_TEST_FL_FAILED;
 377
 378                 test_index++;
 379         }
 380
 381         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 382
 383         if (h->ae_algo->ops->halt_autoneg)
 384                 h->ae_algo->ops->halt_autoneg(h, false);
 385
 386 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 387         if (dis_vlan_filter)
 388                 h->ae_algo->ops->enable_vlan_filter(h, true);
 389 #endif
 390
 391         if (if_running)
 392                 ndev->netdev_ops->ndo_open(ndev);
 393
 394         netif_dbg(h, drv, ndev, "self test end\n");
 395 }
 396
 397 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 398 {
 399         struct hnae3_handle *h = hns3_get_handle(netdev);
 400         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 401
 402         if (!ops->get_sset_count)
 403                 return -EOPNOTSUPP;
 404
 405         switch (stringset) {
 406         case ETH_SS_STATS:
 407                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 408                         ops->get_sset_count(h, stringset));
 409
 410         case ETH_SS_TEST:
 411                 return ops->get_sset_count(h, stringset);
 412
 413         default:
 414                 return -EOPNOTSUPP;
 415         }
 416 }
 417
 418 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 419                 u32 stat_count, u32 num_tqps, const char *prefix)
 420 {
 421 #define MAX_PREFIX_SIZE (6 + 4)
 422         u32 size_left;
 423         u32 i, j;
 424         u32 n1;
 425
 426         for (i = 0; i < num_tqps; i++) {
 427                 for (j = 0; j < stat_count; j++) {
 428                         data[ETH_GSTRING_LEN - 1] = '\0';
 429
 430                         /* first, prepend the prefix string */
 431                         n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_",
 432                                       prefix, i);
 433                         n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
 434                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 435
 436                         /* now, concatenate the stats string to it */
 437                         strncat(data, stats[j].stats_string, size_left);
 438                         data += ETH_GSTRING_LEN;
 439                 }
 440         }
 441
 442         return data;
 443 }
 444
 445 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 446 {
 447         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 448         const char tx_prefix[] = "txq";
 449         const char rx_prefix[] = "rxq";
 450
 451         /* get strings for Tx */
 452         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 453                                    kinfo->num_tqps, tx_prefix);
 454
 455         /* get strings for Rx */
 456         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 457                                    kinfo->num_tqps, rx_prefix);
 458
 459         return data;
 460 }
 461
 462 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 463 {
 464         struct hnae3_handle *h = hns3_get_handle(netdev);
 465         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 466         char *buff = (char *)data;
 467
 468         if (!ops->get_strings)
 469                 return;
 470
 471         switch (stringset) {
 472         case ETH_SS_STATS:
 473                 buff = hns3_get_strings_tqps(h, buff);
 474                 ops->get_strings(h, stringset, (u8 *)buff);
 475                 break;
 476         case ETH_SS_TEST:
 477                 ops->get_strings(h, stringset, data);
 478                 break;
 479         default:
 480                 break;
 481         }
 482 }
 483
 484 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 485 {
 486         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 487         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 488         struct hns3_enet_ring *ring;
 489         u8 *stat;
 490         int i, j;
 491
 492         /* get stats for Tx */
 493         for (i = 0; i < kinfo->num_tqps; i++) {
 494                 ring = &nic_priv->ring[i];
 495                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 496                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 497                         *data++ = *(u64 *)stat;
 498                 }
 499         }
 500
 501         /* get stats for Rx */
 502         for (i = 0; i < kinfo->num_tqps; i++) {
 503                 ring = &nic_priv->ring[i + kinfo->num_tqps];
 504                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 505                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 506                         *data++ = *(u64 *)stat;
 507                 }
 508         }
 509
 510         return data;
 511 }
 512
 513 /* hns3_get_stats - get detail statistics.
 514  * @netdev: net device
 515  * @stats: statistics info.
 516  * @data: statistics data.
 517  */
 518 static void hns3_get_stats(struct net_device *netdev,
 519                            struct ethtool_stats *stats, u64 *data)
 520 {
 521         struct hnae3_handle *h = hns3_get_handle(netdev);
 522         u64 *p = data;
 523
 524         if (hns3_nic_resetting(netdev)) {
 525                 netdev_err(netdev, "dev resetting, could not get stats\n");
 526                 return;
 527         }
 528
 529         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 530                 netdev_err(netdev, "could not get any statistics\n");
 531                 return;
 532         }
 533
 534         h->ae_algo->ops->update_stats(h, &netdev->stats);
 535
 536         /* get per-queue stats */
 537         p = hns3_get_stats_tqps(h, p);
 538
 539         /* get MAC & other misc hardware stats */
 540         h->ae_algo->ops->get_stats(h, p);
 541 }
 542
 543 static void hns3_get_drvinfo(struct net_device *netdev,
 544                              struct ethtool_drvinfo *drvinfo)
 545 {
 546         struct hns3_nic_priv *priv = netdev_priv(netdev);
 547         struct hnae3_handle *h = priv->ae_handle;
 548         u32 fw_version;
 549
 550         if (!h->ae_algo->ops->get_fw_version) {
 551                 netdev_err(netdev, "could not get fw version!\n");
 552                 return;
 553         }
 554
 555         strncpy(drvinfo->version, hns3_driver_version,
 556                 sizeof(drvinfo->version));
 557         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 558
 559         strncpy(drvinfo->driver, h->pdev->driver->name,
 560                 sizeof(drvinfo->driver));
 561         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 562
 563         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 564                 sizeof(drvinfo->bus_info));
 565         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 566
 567         fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
 568
 569         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 570                  "%lu.%lu.%lu.%lu",
 571                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
 572                                  HNAE3_FW_VERSION_BYTE3_SHIFT),
 573                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
 574                                  HNAE3_FW_VERSION_BYTE2_SHIFT),
 575                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
 576                                  HNAE3_FW_VERSION_BYTE1_SHIFT),
 577                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
 578                                  HNAE3_FW_VERSION_BYTE0_SHIFT));
 579 }
 580
 581 static u32 hns3_get_link(struct net_device *netdev)
 582 {
 583         struct hnae3_handle *h = hns3_get_handle(netdev);
 584
 585         if (h->ae_algo->ops->get_status)
 586                 return h->ae_algo->ops->get_status(h);
 587         else
 588                 return 0;
 589 }
 590
 591 static void hns3_get_ringparam(struct net_device *netdev,
 592                                struct ethtool_ringparam *param)
 593 {
 594         struct hns3_nic_priv *priv = netdev_priv(netdev);
 595         struct hnae3_handle *h = priv->ae_handle;
 596         int queue_num = h->kinfo.num_tqps;
 597
 598         if (hns3_nic_resetting(netdev)) {
 599                 netdev_err(netdev, "dev resetting!");
 600                 return;
 601         }
 602
 603         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 604         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 605
 606         param->tx_pending = priv->ring[0].desc_num;
 607         param->rx_pending = priv->ring[queue_num].desc_num;
 608 }
 609
 610 static void hns3_get_pauseparam(struct net_device *netdev,
 611                                 struct ethtool_pauseparam *param)
 612 {
 613         struct hnae3_handle *h = hns3_get_handle(netdev);
 614
 615         if (h->ae_algo->ops->get_pauseparam)
 616                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 617                         &param->rx_pause, &param->tx_pause);
 618 }
 619
 620 static int hns3_set_pauseparam(struct net_device *netdev,
 621                                struct ethtool_pauseparam *param)
 622 {
 623         struct hnae3_handle *h = hns3_get_handle(netdev);
 624
 625         netif_dbg(h, drv, netdev,
 626                   "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
 627                   param->autoneg, param->rx_pause, param->tx_pause);
 628
 629         if (h->ae_algo->ops->set_pauseparam)
 630                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 631                                                        param->rx_pause,
 632                                                        param->tx_pause);
 633         return -EOPNOTSUPP;
 634 }
 635
 636 static void hns3_get_ksettings(struct hnae3_handle *h,
 637                                struct ethtool_link_ksettings *cmd)
 638 {
 639         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 640
 641         /* 1.auto_neg & speed & duplex from cmd */
 642         if (ops->get_ksettings_an_result)
 643                 ops->get_ksettings_an_result(h,
 644                                              &cmd->base.autoneg,
 645                                              &cmd->base.speed,
 646                                              &cmd->base.duplex);
 647
 648         /* 2.get link mode */
 649         if (ops->get_link_mode)
 650                 ops->get_link_mode(h,
 651                                    cmd->link_modes.supported,
 652                                    cmd->link_modes.advertising);
 653
 654         /* 3.mdix_ctrl&mdix get from phy reg */
 655         if (ops->get_mdix_mode)
 656                 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 657                                    &cmd->base.eth_tp_mdix);
 658 }
 659
 660 static int hns3_get_link_ksettings(struct net_device *netdev,
 661                                    struct ethtool_link_ksettings *cmd)
 662 {
 663         struct hnae3_handle *h = hns3_get_handle(netdev);
 664         const struct hnae3_ae_ops *ops;
 665         u8 module_type;
 666         u8 media_type;
 667         u8 link_stat;
 668
 669         ops = h->ae_algo->ops;
 670         if (ops->get_media_type)
 671                 ops->get_media_type(h, &media_type, &module_type);
 672         else
 673                 return -EOPNOTSUPP;
 674
 675         switch (media_type) {
 676         case HNAE3_MEDIA_TYPE_NONE:
 677                 cmd->base.port = PORT_NONE;
 678                 hns3_get_ksettings(h, cmd);
 679                 break;
 680         case HNAE3_MEDIA_TYPE_FIBER:
 681                 if (module_type == HNAE3_MODULE_TYPE_CR)
 682                         cmd->base.port = PORT_DA;
 683                 else
 684                         cmd->base.port = PORT_FIBRE;
 685
 686                 hns3_get_ksettings(h, cmd);
 687                 break;
 688         case HNAE3_MEDIA_TYPE_BACKPLANE:
 689                 cmd->base.port = PORT_NONE;
 690                 hns3_get_ksettings(h, cmd);
 691                 break;
 692         case HNAE3_MEDIA_TYPE_COPPER:
 693                 cmd->base.port = PORT_TP;
 694                 if (!netdev->phydev)
 695                         hns3_get_ksettings(h, cmd);
 696                 else
 697                         phy_ethtool_ksettings_get(netdev->phydev, cmd);
 698                 break;
 699         default:
 700
 701                 netdev_warn(netdev, "Unknown media type");
 702                 return 0;
 703         }
 704
 705         /* mdio_support */
 706         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 707
 708         link_stat = hns3_get_link(netdev);
 709         if (!link_stat) {
 710                 cmd->base.speed = SPEED_UNKNOWN;
 711                 cmd->base.duplex = DUPLEX_UNKNOWN;
 712         }
 713
 714         return 0;
 715 }
 716
 717 static int hns3_check_ksettings_param(const struct net_device *netdev,
 718                                       const struct ethtool_link_ksettings *cmd)
 719 {
 720         struct hnae3_handle *handle = hns3_get_handle(netdev);
 721         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 722         u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
 723         u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
 724         u8 autoneg;
 725         u32 speed;
 726         u8 duplex;
 727         int ret;
 728
 729         /* hw doesn't support use specified speed and duplex to negotiate,
 730          * unnecessary to check them when autoneg on.
 731          */
 732         if (cmd->base.autoneg)
 733                 return 0;
 734
 735         if (ops->get_ksettings_an_result) {
 736                 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
 737                 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
 738                     cmd->base.duplex == duplex)
 739                         return 0;
 740         }
 741
 742         if (ops->get_media_type)
 743                 ops->get_media_type(handle, &media_type, &module_type);
 744
 745         if (cmd->base.duplex != DUPLEX_FULL &&
 746             media_type != HNAE3_MEDIA_TYPE_COPPER) {
 747                 netdev_err(netdev,
 748                            "only copper port supports half duplex!");
 749                 return -EINVAL;
 750         }
 751
 752         if (ops->check_port_speed) {
 753                 ret = ops->check_port_speed(handle, cmd->base.speed);
 754                 if (ret) {
 755                         netdev_err(netdev, "unsupported speed\n");
 756                         return ret;
 757                 }
 758         }
 759
 760         return 0;
 761 }
 762
 763 static int hns3_set_link_ksettings(struct net_device *netdev,
 764                                    const struct ethtool_link_ksettings *cmd)
 765 {
 766         struct hnae3_handle *handle = hns3_get_handle(netdev);
 767         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 768         int ret;
 769
 770         /* Chip don't support this mode. */
 771         if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 772                 return -EINVAL;
 773
 774         netif_dbg(handle, drv, netdev,
 775                   "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
 776                   netdev->phydev ? "phy" : "mac",
 777                   cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
 778
 779         /* Only support ksettings_set for netdev with phy attached for now */
 780         if (netdev->phydev)
 781                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 782
 783         if (handle->pdev->revision == 0x20)
 784                 return -EOPNOTSUPP;
 785
 786         ret = hns3_check_ksettings_param(netdev, cmd);
 787         if (ret)
 788                 return ret;
 789
 790         if (ops->set_autoneg) {
 791                 ret = ops->set_autoneg(handle, cmd->base.autoneg);
 792                 if (ret)
 793                         return ret;
 794         }
 795
 796         /* hw doesn't support use specified speed and duplex to negotiate,
 797          * ignore them when autoneg on.
 798          */
 799         if (cmd->base.autoneg) {
 800                 netdev_info(netdev,
 801                             "autoneg is on, ignore the speed and duplex\n");
 802                 return 0;
 803         }
 804
 805         if (ops->cfg_mac_speed_dup_h)
 806                 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
 807                                                cmd->base.duplex);
 808
 809         return ret;
 810 }
 811
 812 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 813 {
 814         struct hnae3_handle *h = hns3_get_handle(netdev);
 815
 816         if (!h->ae_algo->ops->get_rss_key_size)
 817                 return 0;
 818
 819         return h->ae_algo->ops->get_rss_key_size(h);
 820 }
 821
 822 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 823 {
 824         struct hnae3_handle *h = hns3_get_handle(netdev);
 825
 826         if (!h->ae_algo->ops->get_rss_indir_size)
 827                 return 0;
 828
 829         return h->ae_algo->ops->get_rss_indir_size(h);
 830 }
 831
 832 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 833                         u8 *hfunc)
 834 {
 835         struct hnae3_handle *h = hns3_get_handle(netdev);
 836
 837         if (!h->ae_algo->ops->get_rss)
 838                 return -EOPNOTSUPP;
 839
 840         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 841 }
 842
 843 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 844                         const u8 *key, const u8 hfunc)
 845 {
 846         struct hnae3_handle *h = hns3_get_handle(netdev);
 847
 848         if (!h->ae_algo->ops->set_rss)
 849                 return -EOPNOTSUPP;
 850
 851         if ((h->pdev->revision == 0x20 &&
 852              hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 853              hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
 854                 netdev_err(netdev, "hash func not supported\n");
 855                 return -EOPNOTSUPP;
 856         }
 857
 858         if (!indir) {
 859                 netdev_err(netdev,
 860                            "set rss failed for indir is empty\n");
 861                 return -EOPNOTSUPP;
 862         }
 863
 864         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 865 }
 866
 867 static int hns3_get_rxnfc(struct net_device *netdev,
 868                           struct ethtool_rxnfc *cmd,
 869                           u32 *rule_locs)
 870 {
 871         struct hnae3_handle *h = hns3_get_handle(netdev);
 872
 873         switch (cmd->cmd) {
 874         case ETHTOOL_GRXRINGS:
 875                 cmd->data = h->kinfo.num_tqps;
 876                 return 0;
 877         case ETHTOOL_GRXFH:
 878                 if (h->ae_algo->ops->get_rss_tuple)
 879                         return h->ae_algo->ops->get_rss_tuple(h, cmd);
 880                 return -EOPNOTSUPP;
 881         case ETHTOOL_GRXCLSRLCNT:
 882                 if (h->ae_algo->ops->get_fd_rule_cnt)
 883                         return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
 884                 return -EOPNOTSUPP;
 885         case ETHTOOL_GRXCLSRULE:
 886                 if (h->ae_algo->ops->get_fd_rule_info)
 887                         return h->ae_algo->ops->get_fd_rule_info(h, cmd);
 888                 return -EOPNOTSUPP;
 889         case ETHTOOL_GRXCLSRLALL:
 890                 if (h->ae_algo->ops->get_fd_all_rules)
 891                         return h->ae_algo->ops->get_fd_all_rules(h, cmd,
 892                                                                  rule_locs);
 893                 return -EOPNOTSUPP;
 894         default:
 895                 return -EOPNOTSUPP;
 896         }
 897 }
 898
 899 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 900                                         u32 tx_desc_num, u32 rx_desc_num)
 901 {
 902         struct hnae3_handle *h = priv->ae_handle;
 903         int i;
 904
 905         h->kinfo.num_tx_desc = tx_desc_num;
 906         h->kinfo.num_rx_desc = rx_desc_num;
 907
 908         for (i = 0; i < h->kinfo.num_tqps; i++) {
 909                 priv->ring[i].desc_num = tx_desc_num;
 910                 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
 911         }
 912 }
 913
 914 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
 915 {
 916         struct hnae3_handle *handle = priv->ae_handle;
 917         struct hns3_enet_ring *tmp_rings;
 918         int i;
 919
 920         tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
 921                             sizeof(struct hns3_enet_ring), GFP_KERNEL);
 922         if (!tmp_rings)
 923                 return NULL;
 924
 925         for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
 926                 memcpy(&tmp_rings[i], &priv->ring[i],
 927                        sizeof(struct hns3_enet_ring));
 928                 tmp_rings[i].skb = NULL;
 929         }
 930
 931         return tmp_rings;
 932 }
 933
 934 static int hns3_check_ringparam(struct net_device *ndev,
 935                                 struct ethtool_ringparam *param)
 936 {
 937         if (hns3_nic_resetting(ndev))
 938                 return -EBUSY;
 939
 940         if (param->rx_mini_pending || param->rx_jumbo_pending)
 941                 return -EINVAL;
 942
 943         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 944             param->tx_pending < HNS3_RING_MIN_PENDING ||
 945             param->rx_pending > HNS3_RING_MAX_PENDING ||
 946             param->rx_pending < HNS3_RING_MIN_PENDING) {
 947                 netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
 948                            HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
 949                 return -EINVAL;
 950         }
 951
 952         return 0;
 953 }
 954
 955 static int hns3_set_ringparam(struct net_device *ndev,
 956                               struct ethtool_ringparam *param)
 957 {
 958         struct hns3_nic_priv *priv = netdev_priv(ndev);
 959         struct hnae3_handle *h = priv->ae_handle;
 960         struct hns3_enet_ring *tmp_rings;
 961         bool if_running = netif_running(ndev);
 962         u32 old_tx_desc_num, new_tx_desc_num;
 963         u32 old_rx_desc_num, new_rx_desc_num;
 964         u16 queue_num = h->kinfo.num_tqps;
 965         int ret, i;
 966
 967         ret = hns3_check_ringparam(ndev, param);
 968         if (ret)
 969                 return ret;
 970
 971         /* Hardware requires that its descriptors must be multiple of eight */
 972         new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
 973         new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
 974         old_tx_desc_num = priv->ring[0].desc_num;
 975         old_rx_desc_num = priv->ring[queue_num].desc_num;
 976         if (old_tx_desc_num == new_tx_desc_num &&
 977             old_rx_desc_num == new_rx_desc_num)
 978                 return 0;
 979
 980         tmp_rings = hns3_backup_ringparam(priv);
 981         if (!tmp_rings) {
 982                 netdev_err(ndev,
 983                            "backup ring param failed by allocating memory fail\n");
 984                 return -ENOMEM;
 985         }
 986
 987         netdev_info(ndev,
 988                     "Changing Tx/Rx ring depth from %u/%u to %u/%u\n",
 989                     old_tx_desc_num, old_rx_desc_num,
 990                     new_tx_desc_num, new_rx_desc_num);
 991
 992         if (if_running)
 993                 ndev->netdev_ops->ndo_stop(ndev);
 994
 995         hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
 996         ret = hns3_init_all_ring(priv);
 997         if (ret) {
 998                 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
 999                            ret);
1000
1001                 hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
1002                                             old_rx_desc_num);
1003                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1004                         memcpy(&priv->ring[i], &tmp_rings[i],
1005                                sizeof(struct hns3_enet_ring));
1006         } else {
1007                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1008                         hns3_fini_ring(&tmp_rings[i]);
1009         }
1010
1011         kfree(tmp_rings);
1012
1013         if (if_running)
1014                 ret = ndev->netdev_ops->ndo_open(ndev);
1015
1016         return ret;
1017 }
1018
1019 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1020 {
1021         struct hnae3_handle *h = hns3_get_handle(netdev);
1022
1023         switch (cmd->cmd) {
1024         case ETHTOOL_SRXFH:
1025                 if (h->ae_algo->ops->set_rss_tuple)
1026                         return h->ae_algo->ops->set_rss_tuple(h, cmd);
1027                 return -EOPNOTSUPP;
1028         case ETHTOOL_SRXCLSRLINS:
1029                 if (h->ae_algo->ops->add_fd_entry)
1030                         return h->ae_algo->ops->add_fd_entry(h, cmd);
1031                 return -EOPNOTSUPP;
1032         case ETHTOOL_SRXCLSRLDEL:
1033                 if (h->ae_algo->ops->del_fd_entry)
1034                         return h->ae_algo->ops->del_fd_entry(h, cmd);
1035                 return -EOPNOTSUPP;
1036         default:
1037                 return -EOPNOTSUPP;
1038         }
1039 }
1040
1041 static int hns3_nway_reset(struct net_device *netdev)
1042 {
1043         struct hnae3_handle *handle = hns3_get_handle(netdev);
1044         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1045         struct phy_device *phy = netdev->phydev;
1046         int autoneg;
1047
1048         if (!netif_running(netdev))
1049                 return 0;
1050
1051         if (hns3_nic_resetting(netdev)) {
1052                 netdev_err(netdev, "dev resetting!");
1053                 return -EBUSY;
1054         }
1055
1056         if (!ops->get_autoneg || !ops->restart_autoneg)
1057                 return -EOPNOTSUPP;
1058
1059         autoneg = ops->get_autoneg(handle);
1060         if (autoneg != AUTONEG_ENABLE) {
1061                 netdev_err(netdev,
1062                            "Autoneg is off, don't support to restart it\n");
1063                 return -EINVAL;
1064         }
1065
1066         netif_dbg(handle, drv, netdev,
1067                   "nway reset (using %s)\n", phy ? "phy" : "mac");
1068
1069         if (phy)
1070                 return genphy_restart_aneg(phy);
1071
1072         if (handle->pdev->revision == 0x20)
1073                 return -EOPNOTSUPP;
1074
1075         return ops->restart_autoneg(handle);
1076 }
1077
1078 static void hns3_get_channels(struct net_device *netdev,
1079                               struct ethtool_channels *ch)
1080 {
1081         struct hnae3_handle *h = hns3_get_handle(netdev);
1082
1083         if (h->ae_algo->ops->get_channels)
1084                 h->ae_algo->ops->get_channels(h, ch);
1085 }
1086
1087 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
1088                                        struct ethtool_coalesce *cmd)
1089 {
1090         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1091         struct hns3_nic_priv *priv = netdev_priv(netdev);
1092         struct hnae3_handle *h = priv->ae_handle;
1093         u16 queue_num = h->kinfo.num_tqps;
1094
1095         if (hns3_nic_resetting(netdev))
1096                 return -EBUSY;
1097
1098         if (queue >= queue_num) {
1099                 netdev_err(netdev,
1100                            "Invalid queue value %u! Queue max id=%u\n",
1101                            queue, queue_num - 1);
1102                 return -EINVAL;
1103         }
1104
1105         tx_vector = priv->ring[queue].tqp_vector;
1106         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1107
1108         cmd->use_adaptive_tx_coalesce =
1109                         tx_vector->tx_group.coal.gl_adapt_enable;
1110         cmd->use_adaptive_rx_coalesce =
1111                         rx_vector->rx_group.coal.gl_adapt_enable;
1112
1113         cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
1114         cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1115
1116         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1117         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1118
1119         return 0;
1120 }
1121
1122 static int hns3_get_coalesce(struct net_device *netdev,
1123                              struct ethtool_coalesce *cmd)
1124 {
1125         return hns3_get_coalesce_per_queue(netdev, 0, cmd);
1126 }
1127
1128 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1129                                        struct ethtool_coalesce *cmd)
1130 {
1131         u32 rx_gl, tx_gl;
1132
1133         if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
1134                 netdev_err(netdev,
1135                            "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
1136                            HNS3_INT_GL_MAX);
1137                 return -EINVAL;
1138         }
1139
1140         if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
1141                 netdev_err(netdev,
1142                            "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
1143                            HNS3_INT_GL_MAX);
1144                 return -EINVAL;
1145         }
1146
1147         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1148         if (rx_gl != cmd->rx_coalesce_usecs) {
1149                 netdev_info(netdev,
1150                             "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1151                             cmd->rx_coalesce_usecs, rx_gl);
1152         }
1153
1154         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1155         if (tx_gl != cmd->tx_coalesce_usecs) {
1156                 netdev_info(netdev,
1157                             "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1158                             cmd->tx_coalesce_usecs, tx_gl);
1159         }
1160
1161         return 0;
1162 }
1163
1164 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1165                                        struct ethtool_coalesce *cmd)
1166 {
1167         u32 rl;
1168
1169         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1170                 netdev_err(netdev,
1171                            "tx_usecs_high must be same as rx_usecs_high.\n");
1172                 return -EINVAL;
1173         }
1174
1175         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1176                 netdev_err(netdev,
1177                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
1178                            HNS3_INT_RL_MAX);
1179                 return -EINVAL;
1180         }
1181
1182         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1183         if (rl != cmd->rx_coalesce_usecs_high) {
1184                 netdev_info(netdev,
1185                             "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1186                             cmd->rx_coalesce_usecs_high, rl);
1187         }
1188
1189         return 0;
1190 }
1191
1192 static int hns3_check_coalesce_para(struct net_device *netdev,
1193                                     struct ethtool_coalesce *cmd)
1194 {
1195         int ret;
1196
1197         ret = hns3_check_gl_coalesce_para(netdev, cmd);
1198         if (ret) {
1199                 netdev_err(netdev,
1200                            "Check gl coalesce param fail. ret = %d\n", ret);
1201                 return ret;
1202         }
1203
1204         ret = hns3_check_rl_coalesce_para(netdev, cmd);
1205         if (ret) {
1206                 netdev_err(netdev,
1207                            "Check rl coalesce param fail. ret = %d\n", ret);
1208                 return ret;
1209         }
1210
1211         if (cmd->use_adaptive_tx_coalesce == 1 ||
1212             cmd->use_adaptive_rx_coalesce == 1) {
1213                 netdev_info(netdev,
1214                             "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n",
1215                             cmd->use_adaptive_tx_coalesce,
1216                             cmd->use_adaptive_rx_coalesce);
1217         }
1218
1219         return 0;
1220 }
1221
1222 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1223                                         struct ethtool_coalesce *cmd,
1224                                         u32 queue)
1225 {
1226         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1227         struct hns3_nic_priv *priv = netdev_priv(netdev);
1228         struct hnae3_handle *h = priv->ae_handle;
1229         int queue_num = h->kinfo.num_tqps;
1230
1231         tx_vector = priv->ring[queue].tqp_vector;
1232         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1233
1234         tx_vector->tx_group.coal.gl_adapt_enable =
1235                                 cmd->use_adaptive_tx_coalesce;
1236         rx_vector->rx_group.coal.gl_adapt_enable =
1237                                 cmd->use_adaptive_rx_coalesce;
1238
1239         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1240         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1241
1242         hns3_set_vector_coalesce_tx_gl(tx_vector,
1243                                        tx_vector->tx_group.coal.int_gl);
1244         hns3_set_vector_coalesce_rx_gl(rx_vector,
1245                                        rx_vector->rx_group.coal.int_gl);
1246
1247         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1248         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1249 }
1250
1251 static int hns3_set_coalesce(struct net_device *netdev,
1252                              struct ethtool_coalesce *cmd)
1253 {
1254         struct hnae3_handle *h = hns3_get_handle(netdev);
1255         u16 queue_num = h->kinfo.num_tqps;
1256         int ret;
1257         int i;
1258
1259         if (hns3_nic_resetting(netdev))
1260                 return -EBUSY;
1261
1262         ret = hns3_check_coalesce_para(netdev, cmd);
1263         if (ret)
1264                 return ret;
1265
1266         h->kinfo.int_rl_setting =
1267                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1268
1269         for (i = 0; i < queue_num; i++)
1270                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1271
1272         return 0;
1273 }
1274
1275 static int hns3_get_regs_len(struct net_device *netdev)
1276 {
1277         struct hnae3_handle *h = hns3_get_handle(netdev);
1278
1279         if (!h->ae_algo->ops->get_regs_len)
1280                 return -EOPNOTSUPP;
1281
1282         return h->ae_algo->ops->get_regs_len(h);
1283 }
1284
1285 static void hns3_get_regs(struct net_device *netdev,
1286                           struct ethtool_regs *cmd, void *data)
1287 {
1288         struct hnae3_handle *h = hns3_get_handle(netdev);
1289
1290         if (!h->ae_algo->ops->get_regs)
1291                 return;
1292
1293         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1294 }
1295
1296 static int hns3_set_phys_id(struct net_device *netdev,
1297                             enum ethtool_phys_id_state state)
1298 {
1299         struct hnae3_handle *h = hns3_get_handle(netdev);
1300
1301         if (!h->ae_algo->ops->set_led_id)
1302                 return -EOPNOTSUPP;
1303
1304         return h->ae_algo->ops->set_led_id(h, state);
1305 }
1306
1307 static u32 hns3_get_msglevel(struct net_device *netdev)
1308 {
1309         struct hnae3_handle *h = hns3_get_handle(netdev);
1310
1311         return h->msg_enable;
1312 }
1313
1314 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1315 {
1316         struct hnae3_handle *h = hns3_get_handle(netdev);
1317
1318         h->msg_enable = msg_level;
1319 }
1320
1321 /* Translate local fec value into ethtool value. */
1322 static unsigned int loc_to_eth_fec(u8 loc_fec)
1323 {
1324         u32 eth_fec = 0;
1325
1326         if (loc_fec & BIT(HNAE3_FEC_AUTO))
1327                 eth_fec |= ETHTOOL_FEC_AUTO;
1328         if (loc_fec & BIT(HNAE3_FEC_RS))
1329                 eth_fec |= ETHTOOL_FEC_RS;
1330         if (loc_fec & BIT(HNAE3_FEC_BASER))
1331                 eth_fec |= ETHTOOL_FEC_BASER;
1332
1333         /* if nothing is set, then FEC is off */
1334         if (!eth_fec)
1335                 eth_fec = ETHTOOL_FEC_OFF;
1336
1337         return eth_fec;
1338 }
1339
1340 /* Translate ethtool fec value into local value. */
1341 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1342 {
1343         u32 loc_fec = 0;
1344
1345         if (eth_fec & ETHTOOL_FEC_OFF)
1346                 return loc_fec;
1347
1348         if (eth_fec & ETHTOOL_FEC_AUTO)
1349                 loc_fec |= BIT(HNAE3_FEC_AUTO);
1350         if (eth_fec & ETHTOOL_FEC_RS)
1351                 loc_fec |= BIT(HNAE3_FEC_RS);
1352         if (eth_fec & ETHTOOL_FEC_BASER)
1353                 loc_fec |= BIT(HNAE3_FEC_BASER);
1354
1355         return loc_fec;
1356 }
1357
1358 static int hns3_get_fecparam(struct net_device *netdev,
1359                              struct ethtool_fecparam *fec)
1360 {
1361         struct hnae3_handle *handle = hns3_get_handle(netdev);
1362         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1363         u8 fec_ability;
1364         u8 fec_mode;
1365
1366         if (handle->pdev->revision == 0x20)
1367                 return -EOPNOTSUPP;
1368
1369         if (!ops->get_fec)
1370                 return -EOPNOTSUPP;
1371
1372         ops->get_fec(handle, &fec_ability, &fec_mode);
1373
1374         fec->fec = loc_to_eth_fec(fec_ability);
1375         fec->active_fec = loc_to_eth_fec(fec_mode);
1376
1377         return 0;
1378 }
1379
1380 static int hns3_set_fecparam(struct net_device *netdev,
1381                              struct ethtool_fecparam *fec)
1382 {
1383         struct hnae3_handle *handle = hns3_get_handle(netdev);
1384         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1385         u32 fec_mode;
1386
1387         if (handle->pdev->revision == 0x20)
1388                 return -EOPNOTSUPP;
1389
1390         if (!ops->set_fec)
1391                 return -EOPNOTSUPP;
1392         fec_mode = eth_to_loc_fec(fec->fec);
1393
1394         netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1395
1396         return ops->set_fec(handle, fec_mode);
1397 }
1398
1399 static const struct ethtool_ops hns3vf_ethtool_ops = {
1400         .get_drvinfo = hns3_get_drvinfo,
1401         .get_ringparam = hns3_get_ringparam,
1402         .set_ringparam = hns3_set_ringparam,
1403         .get_strings = hns3_get_strings,
1404         .get_ethtool_stats = hns3_get_stats,
1405         .get_sset_count = hns3_get_sset_count,
1406         .get_rxnfc = hns3_get_rxnfc,
1407         .set_rxnfc = hns3_set_rxnfc,
1408         .get_rxfh_key_size = hns3_get_rss_key_size,
1409         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1410         .get_rxfh = hns3_get_rss,
1411         .set_rxfh = hns3_set_rss,
1412         .get_link_ksettings = hns3_get_link_ksettings,
1413         .get_channels = hns3_get_channels,
1414         .set_channels = hns3_set_channels,
1415         .get_coalesce = hns3_get_coalesce,
1416         .set_coalesce = hns3_set_coalesce,
1417         .get_regs_len = hns3_get_regs_len,
1418         .get_regs = hns3_get_regs,
1419         .get_link = hns3_get_link,
1420         .get_msglevel = hns3_get_msglevel,
1421         .set_msglevel = hns3_set_msglevel,
1422 };
1423
1424 static const struct ethtool_ops hns3_ethtool_ops = {
1425         .self_test = hns3_self_test,
1426         .get_drvinfo = hns3_get_drvinfo,
1427         .get_link = hns3_get_link,
1428         .get_ringparam = hns3_get_ringparam,
1429         .set_ringparam = hns3_set_ringparam,
1430         .get_pauseparam = hns3_get_pauseparam,
1431         .set_pauseparam = hns3_set_pauseparam,
1432         .get_strings = hns3_get_strings,
1433         .get_ethtool_stats = hns3_get_stats,
1434         .get_sset_count = hns3_get_sset_count,
1435         .get_rxnfc = hns3_get_rxnfc,
1436         .set_rxnfc = hns3_set_rxnfc,
1437         .get_rxfh_key_size = hns3_get_rss_key_size,
1438         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1439         .get_rxfh = hns3_get_rss,
1440         .set_rxfh = hns3_set_rss,
1441         .get_link_ksettings = hns3_get_link_ksettings,
1442         .set_link_ksettings = hns3_set_link_ksettings,
1443         .nway_reset = hns3_nway_reset,
1444         .get_channels = hns3_get_channels,
1445         .set_channels = hns3_set_channels,
1446         .get_coalesce = hns3_get_coalesce,
1447         .set_coalesce = hns3_set_coalesce,
1448         .get_regs_len = hns3_get_regs_len,
1449         .get_regs = hns3_get_regs,
1450         .set_phys_id = hns3_set_phys_id,
1451         .get_msglevel = hns3_get_msglevel,
1452         .set_msglevel = hns3_set_msglevel,
1453         .get_fecparam = hns3_get_fecparam,
1454         .set_fecparam = hns3_set_fecparam,
1455 };
1456
1457 void hns3_ethtool_set_ops(struct net_device *netdev)
1458 {
1459         struct hnae3_handle *h = hns3_get_handle(netdev);
1460
1461         if (h->flags & HNAE3_SUPPORT_VF)
1462                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1463         else
1464                 netdev->ethtool_ops = &hns3_ethtool_ops;
1465 }