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 #include <linux/sfp.h>
   8
   9 #include "hns3_enet.h"
  10
  11 struct hns3_stats {
  12         char stats_string[ETH_GSTRING_LEN];
  13         int stats_offset;
  14 };
  15
  16 struct hns3_sfp_type {
  17         u8 type;
  18         u8 ext_type;
  19 };
  20
  21 /* tqp related stats */
  22 #define HNS3_TQP_STAT(_string, _member) {                       \
  23         .stats_string = _string,                                \
  24         .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
  25                         offsetof(struct ring_stats, _member),   \
  26 }
  27
  28 static const struct hns3_stats hns3_txq_stats[] = {
  29         /* Tx per-queue statistics */
  30         HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
  31         HNS3_TQP_STAT("dropped", sw_err_cnt),
  32         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  33         HNS3_TQP_STAT("packets", tx_pkts),
  34         HNS3_TQP_STAT("bytes", tx_bytes),
  35         HNS3_TQP_STAT("errors", tx_err_cnt),
  36         HNS3_TQP_STAT("wake", restart_queue),
  37         HNS3_TQP_STAT("busy", tx_busy),
  38         HNS3_TQP_STAT("copy", tx_copy),
  39         HNS3_TQP_STAT("vlan_err", tx_vlan_err),
  40         HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
  41         HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
  42         HNS3_TQP_STAT("tso_err", tx_tso_err),
  43 };
  44
  45 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
  46
  47 static const struct hns3_stats hns3_rxq_stats[] = {
  48         /* Rx per-queue statistics */
  49         HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
  50         HNS3_TQP_STAT("dropped", sw_err_cnt),
  51         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  52         HNS3_TQP_STAT("packets", rx_pkts),
  53         HNS3_TQP_STAT("bytes", rx_bytes),
  54         HNS3_TQP_STAT("errors", rx_err_cnt),
  55         HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
  56         HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
  57         HNS3_TQP_STAT("err_bd_num", err_bd_num),
  58         HNS3_TQP_STAT("l2_err", l2_err),
  59         HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
  60         HNS3_TQP_STAT("multicast", rx_multicast),
  61         HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
  62 };
  63
  64 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
  65
  66 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
  67
  68 #define HNS3_SELF_TEST_TYPE_NUM         4
  69 #define HNS3_NIC_LB_TEST_PKT_NUM        1
  70 #define HNS3_NIC_LB_TEST_RING_ID        0
  71 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  72 #define HNS3_NIC_LB_SETUP_USEC          10000
  73
  74 /* Nic loopback test err  */
  75 #define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
  76 #define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
  77 #define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
  78
  79 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
  80 {
  81         struct hnae3_handle *h = hns3_get_handle(ndev);
  82         bool vlan_filter_enable;
  83         int ret;
  84
  85         if (!h->ae_algo->ops->set_loopback ||
  86             !h->ae_algo->ops->set_promisc_mode)
  87                 return -EOPNOTSUPP;
  88
  89         switch (loop) {
  90         case HNAE3_LOOP_SERIAL_SERDES:
  91         case HNAE3_LOOP_PARALLEL_SERDES:
  92         case HNAE3_LOOP_APP:
  93         case HNAE3_LOOP_PHY:
  94                 ret = h->ae_algo->ops->set_loopback(h, loop, en);
  95                 break;
  96         default:
  97                 ret = -ENOTSUPP;
  98                 break;
  99         }
 100
 101         if (ret || h->pdev->revision >= 0x21)
 102                 return ret;
 103
 104         if (en) {
 105                 h->ae_algo->ops->set_promisc_mode(h, true, true);
 106         } else {
 107                 /* recover promisc mode before loopback test */
 108                 hns3_request_update_promisc_mode(h);
 109                 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
 110                 hns3_enable_vlan_filter(ndev, vlan_filter_enable);
 111         }
 112
 113         return ret;
 114 }
 115
 116 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
 117 {
 118         struct hnae3_handle *h = hns3_get_handle(ndev);
 119         int ret;
 120
 121         ret = hns3_nic_reset_all_ring(h);
 122         if (ret)
 123                 return ret;
 124
 125         ret = hns3_lp_setup(ndev, loop_mode, true);
 126         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 127
 128         return ret;
 129 }
 130
 131 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 132 {
 133         int ret;
 134
 135         ret = hns3_lp_setup(ndev, loop_mode, false);
 136         if (ret) {
 137                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 138                 return ret;
 139         }
 140
 141         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 142
 143         return 0;
 144 }
 145
 146 static void hns3_lp_setup_skb(struct sk_buff *skb)
 147 {
 148 #define HNS3_NIC_LB_DST_MAC_ADDR        0x1f
 149
 150         struct net_device *ndev = skb->dev;
 151         struct hnae3_handle *handle;
 152         unsigned char *packet;
 153         struct ethhdr *ethh;
 154         unsigned int i;
 155
 156         skb_reserve(skb, NET_IP_ALIGN);
 157         ethh = skb_put(skb, sizeof(struct ethhdr));
 158         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 159
 160         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 161
 162         /* The dst mac addr of loopback packet is the same as the host'
 163          * mac addr, the SSU component may loop back the packet to host
 164          * before the packet reaches mac or serdes, which will defect
 165          * the purpose of mac or serdes selftest.
 166          */
 167         handle = hns3_get_handle(ndev);
 168         if (handle->pdev->revision == 0x20)
 169                 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
 170         eth_zero_addr(ethh->h_source);
 171         ethh->h_proto = htons(ETH_P_ARP);
 172         skb_reset_mac_header(skb);
 173
 174         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 175                 packet[i] = (unsigned char)(i & 0xff);
 176 }
 177
 178 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 179                                    struct sk_buff *skb)
 180 {
 181         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 182         unsigned char *packet = skb->data;
 183         u32 len = skb_headlen(skb);
 184         u32 i;
 185
 186         len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
 187
 188         for (i = 0; i < len; i++)
 189                 if (packet[i] != (unsigned char)(i & 0xff))
 190                         break;
 191
 192         /* The packet is correctly received */
 193         if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
 194                 tqp_vector->rx_group.total_packets++;
 195         else
 196                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 197                                skb->data, len, true);
 198
 199         dev_kfree_skb_any(skb);
 200 }
 201
 202 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 203 {
 204         struct hnae3_handle *h = priv->ae_handle;
 205         struct hnae3_knic_private_info *kinfo;
 206         u32 i, rcv_good_pkt_total = 0;
 207
 208         kinfo = &h->kinfo;
 209         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 210                 struct hns3_enet_ring *ring = &priv->ring[i];
 211                 struct hns3_enet_ring_group *rx_group;
 212                 u64 pre_rx_pkt;
 213
 214                 rx_group = &ring->tqp_vector->rx_group;
 215                 pre_rx_pkt = rx_group->total_packets;
 216
 217                 preempt_disable();
 218                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 219                 preempt_enable();
 220
 221                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 222                 rx_group->total_packets = pre_rx_pkt;
 223         }
 224         return rcv_good_pkt_total;
 225 }
 226
 227 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 228                                   u32 end_ringid, u32 budget)
 229 {
 230         u32 i;
 231
 232         for (i = start_ringid; i <= end_ringid; i++) {
 233                 struct hns3_enet_ring *ring = &priv->ring[i];
 234
 235                 hns3_clean_tx_ring(ring);
 236         }
 237 }
 238
 239 /**
 240  * hns3_lp_run_test -  run loopback test
 241  * @ndev: net device
 242  * @mode: loopback type
 243  */
 244 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 245 {
 246         struct hns3_nic_priv *priv = netdev_priv(ndev);
 247         struct sk_buff *skb;
 248         u32 i, good_cnt;
 249         int ret_val = 0;
 250
 251         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 252                         GFP_KERNEL);
 253         if (!skb)
 254                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 255
 256         skb->dev = ndev;
 257         hns3_lp_setup_skb(skb);
 258         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 259
 260         good_cnt = 0;
 261         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 262                 netdev_tx_t tx_ret;
 263
 264                 skb_get(skb);
 265                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 266                 if (tx_ret == NETDEV_TX_OK) {
 267                         good_cnt++;
 268                 } else {
 269                         kfree_skb(skb);
 270                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 271                                    tx_ret);
 272                 }
 273         }
 274         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 275                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 276                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 277                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 278                 goto out;
 279         }
 280
 281         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 282         msleep(200);
 283
 284         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 285         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 286                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 287                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 288                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 289         }
 290
 291 out:
 292         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 293                               HNS3_NIC_LB_TEST_RING_ID,
 294                               HNS3_NIC_LB_TEST_PKT_NUM);
 295
 296         kfree_skb(skb);
 297         return ret_val;
 298 }
 299
 300 /**
 301  * hns3_nic_self_test - self test
 302  * @ndev: net device
 303  * @eth_test: test cmd
 304  * @data: test result
 305  */
 306 static void hns3_self_test(struct net_device *ndev,
 307                            struct ethtool_test *eth_test, u64 *data)
 308 {
 309         struct hns3_nic_priv *priv = netdev_priv(ndev);
 310         struct hnae3_handle *h = priv->ae_handle;
 311         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 312         bool if_running = netif_running(ndev);
 313 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 314         bool dis_vlan_filter;
 315 #endif
 316         int test_index = 0;
 317         u32 i;
 318
 319         if (hns3_nic_resetting(ndev)) {
 320                 netdev_err(ndev, "dev resetting!");
 321                 return;
 322         }
 323
 324         /* Only do offline selftest, or pass by default */
 325         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 326                 return;
 327
 328         netif_dbg(h, drv, ndev, "self test start");
 329
 330         st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
 331         st_param[HNAE3_LOOP_APP][1] =
 332                         h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
 333
 334         st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
 335         st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
 336                         h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 337
 338         st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
 339                         HNAE3_LOOP_PARALLEL_SERDES;
 340         st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
 341                         h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 342
 343         st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
 344         st_param[HNAE3_LOOP_PHY][1] =
 345                         h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
 346
 347         if (if_running)
 348                 ndev->netdev_ops->ndo_stop(ndev);
 349
 350 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 351         /* Disable the vlan filter for selftest does not support it */
 352         dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
 353                                 h->ae_algo->ops->enable_vlan_filter;
 354         if (dis_vlan_filter)
 355                 h->ae_algo->ops->enable_vlan_filter(h, false);
 356 #endif
 357
 358         /* Tell firmware to stop mac autoneg before loopback test start,
 359          * otherwise loopback test may be failed when the port is still
 360          * negotiating.
 361          */
 362         if (h->ae_algo->ops->halt_autoneg)
 363                 h->ae_algo->ops->halt_autoneg(h, true);
 364
 365         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 366
 367         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 368                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 369
 370                 if (!st_param[i][1])
 371                         continue;
 372
 373                 data[test_index] = hns3_lp_up(ndev, loop_type);
 374                 if (!data[test_index])
 375                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 376
 377                 hns3_lp_down(ndev, loop_type);
 378
 379                 if (data[test_index])
 380                         eth_test->flags |= ETH_TEST_FL_FAILED;
 381
 382                 test_index++;
 383         }
 384
 385         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 386
 387         if (h->ae_algo->ops->halt_autoneg)
 388                 h->ae_algo->ops->halt_autoneg(h, false);
 389
 390 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 391         if (dis_vlan_filter)
 392                 h->ae_algo->ops->enable_vlan_filter(h, true);
 393 #endif
 394
 395         if (if_running)
 396                 ndev->netdev_ops->ndo_open(ndev);
 397
 398         netif_dbg(h, drv, ndev, "self test end\n");
 399 }
 400
 401 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 402 {
 403         struct hnae3_handle *h = hns3_get_handle(netdev);
 404         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 405
 406         if (!ops->get_sset_count)
 407                 return -EOPNOTSUPP;
 408
 409         switch (stringset) {
 410         case ETH_SS_STATS:
 411                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 412                         ops->get_sset_count(h, stringset));
 413
 414         case ETH_SS_TEST:
 415                 return ops->get_sset_count(h, stringset);
 416
 417         default:
 418                 return -EOPNOTSUPP;
 419         }
 420 }
 421
 422 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 423                 u32 stat_count, u32 num_tqps, const char *prefix)
 424 {
 425 #define MAX_PREFIX_SIZE (6 + 4)
 426         u32 size_left;
 427         u32 i, j;
 428         u32 n1;
 429
 430         for (i = 0; i < num_tqps; i++) {
 431                 for (j = 0; j < stat_count; j++) {
 432                         data[ETH_GSTRING_LEN - 1] = '\0';
 433
 434                         /* first, prepend the prefix string */
 435                         n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%d_",
 436                                        prefix, i);
 437                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 438
 439                         /* now, concatenate the stats string to it */
 440                         strncat(data, stats[j].stats_string, size_left);
 441                         data += ETH_GSTRING_LEN;
 442                 }
 443         }
 444
 445         return data;
 446 }
 447
 448 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 449 {
 450         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 451         const char tx_prefix[] = "txq";
 452         const char rx_prefix[] = "rxq";
 453
 454         /* get strings for Tx */
 455         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 456                                    kinfo->num_tqps, tx_prefix);
 457
 458         /* get strings for Rx */
 459         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 460                                    kinfo->num_tqps, rx_prefix);
 461
 462         return data;
 463 }
 464
 465 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 466 {
 467         struct hnae3_handle *h = hns3_get_handle(netdev);
 468         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 469         char *buff = (char *)data;
 470
 471         if (!ops->get_strings)
 472                 return;
 473
 474         switch (stringset) {
 475         case ETH_SS_STATS:
 476                 buff = hns3_get_strings_tqps(h, buff);
 477                 ops->get_strings(h, stringset, (u8 *)buff);
 478                 break;
 479         case ETH_SS_TEST:
 480                 ops->get_strings(h, stringset, data);
 481                 break;
 482         default:
 483                 break;
 484         }
 485 }
 486
 487 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 488 {
 489         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 490         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 491         struct hns3_enet_ring *ring;
 492         u8 *stat;
 493         int i, j;
 494
 495         /* get stats for Tx */
 496         for (i = 0; i < kinfo->num_tqps; i++) {
 497                 ring = &nic_priv->ring[i];
 498                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 499                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 500                         *data++ = *(u64 *)stat;
 501                 }
 502         }
 503
 504         /* get stats for Rx */
 505         for (i = 0; i < kinfo->num_tqps; i++) {
 506                 ring = &nic_priv->ring[i + kinfo->num_tqps];
 507                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 508                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 509                         *data++ = *(u64 *)stat;
 510                 }
 511         }
 512
 513         return data;
 514 }
 515
 516 /* hns3_get_stats - get detail statistics.
 517  * @netdev: net device
 518  * @stats: statistics info.
 519  * @data: statistics data.
 520  */
 521 static void hns3_get_stats(struct net_device *netdev,
 522                            struct ethtool_stats *stats, u64 *data)
 523 {
 524         struct hnae3_handle *h = hns3_get_handle(netdev);
 525         u64 *p = data;
 526
 527         if (hns3_nic_resetting(netdev)) {
 528                 netdev_err(netdev, "dev resetting, could not get stats\n");
 529                 return;
 530         }
 531
 532         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 533                 netdev_err(netdev, "could not get any statistics\n");
 534                 return;
 535         }
 536
 537         h->ae_algo->ops->update_stats(h, &netdev->stats);
 538
 539         /* get per-queue stats */
 540         p = hns3_get_stats_tqps(h, p);
 541
 542         /* get MAC & other misc hardware stats */
 543         h->ae_algo->ops->get_stats(h, p);
 544 }
 545
 546 static void hns3_get_drvinfo(struct net_device *netdev,
 547                              struct ethtool_drvinfo *drvinfo)
 548 {
 549         struct hns3_nic_priv *priv = netdev_priv(netdev);
 550         struct hnae3_handle *h = priv->ae_handle;
 551         u32 fw_version;
 552
 553         if (!h->ae_algo->ops->get_fw_version) {
 554                 netdev_err(netdev, "could not get fw version!\n");
 555                 return;
 556         }
 557
 558         strncpy(drvinfo->driver, h->pdev->driver->name,
 559                 sizeof(drvinfo->driver));
 560         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 561
 562         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 563                 sizeof(drvinfo->bus_info));
 564         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 565
 566         fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
 567
 568         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 569                  "%lu.%lu.%lu.%lu",
 570                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
 571                                  HNAE3_FW_VERSION_BYTE3_SHIFT),
 572                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
 573                                  HNAE3_FW_VERSION_BYTE2_SHIFT),
 574                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
 575                                  HNAE3_FW_VERSION_BYTE1_SHIFT),
 576                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
 577                                  HNAE3_FW_VERSION_BYTE0_SHIFT));
 578 }
 579
 580 static u32 hns3_get_link(struct net_device *netdev)
 581 {
 582         struct hnae3_handle *h = hns3_get_handle(netdev);
 583
 584         if (h->ae_algo->ops->get_status)
 585                 return h->ae_algo->ops->get_status(h);
 586         else
 587                 return 0;
 588 }
 589
 590 static void hns3_get_ringparam(struct net_device *netdev,
 591                                struct ethtool_ringparam *param)
 592 {
 593         struct hns3_nic_priv *priv = netdev_priv(netdev);
 594         struct hnae3_handle *h = priv->ae_handle;
 595         int queue_num = h->kinfo.num_tqps;
 596
 597         if (hns3_nic_resetting(netdev)) {
 598                 netdev_err(netdev, "dev resetting!");
 599                 return;
 600         }
 601
 602         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 603         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 604
 605         param->tx_pending = priv->ring[0].desc_num;
 606         param->rx_pending = priv->ring[queue_num].desc_num;
 607 }
 608
 609 static void hns3_get_pauseparam(struct net_device *netdev,
 610                                 struct ethtool_pauseparam *param)
 611 {
 612         struct hnae3_handle *h = hns3_get_handle(netdev);
 613
 614         if (h->ae_algo->ops->get_pauseparam)
 615                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 616                         &param->rx_pause, &param->tx_pause);
 617 }
 618
 619 static int hns3_set_pauseparam(struct net_device *netdev,
 620                                struct ethtool_pauseparam *param)
 621 {
 622         struct hnae3_handle *h = hns3_get_handle(netdev);
 623
 624         netif_dbg(h, drv, netdev,
 625                   "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
 626                   param->autoneg, param->rx_pause, param->tx_pause);
 627
 628         if (h->ae_algo->ops->set_pauseparam)
 629                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 630                                                        param->rx_pause,
 631                                                        param->tx_pause);
 632         return -EOPNOTSUPP;
 633 }
 634
 635 static void hns3_get_ksettings(struct hnae3_handle *h,
 636                                struct ethtool_link_ksettings *cmd)
 637 {
 638         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 639
 640         /* 1.auto_neg & speed & duplex from cmd */
 641         if (ops->get_ksettings_an_result)
 642                 ops->get_ksettings_an_result(h,
 643                                              &cmd->base.autoneg,
 644                                              &cmd->base.speed,
 645                                              &cmd->base.duplex);
 646
 647         /* 2.get link mode */
 648         if (ops->get_link_mode)
 649                 ops->get_link_mode(h,
 650                                    cmd->link_modes.supported,
 651                                    cmd->link_modes.advertising);
 652
 653         /* 3.mdix_ctrl&mdix get from phy reg */
 654         if (ops->get_mdix_mode)
 655                 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 656                                    &cmd->base.eth_tp_mdix);
 657 }
 658
 659 static int hns3_get_link_ksettings(struct net_device *netdev,
 660                                    struct ethtool_link_ksettings *cmd)
 661 {
 662         struct hnae3_handle *h = hns3_get_handle(netdev);
 663         const struct hnae3_ae_ops *ops;
 664         u8 module_type;
 665         u8 media_type;
 666         u8 link_stat;
 667
 668         ops = h->ae_algo->ops;
 669         if (ops->get_media_type)
 670                 ops->get_media_type(h, &media_type, &module_type);
 671         else
 672                 return -EOPNOTSUPP;
 673
 674         switch (media_type) {
 675         case HNAE3_MEDIA_TYPE_NONE:
 676                 cmd->base.port = PORT_NONE;
 677                 hns3_get_ksettings(h, cmd);
 678                 break;
 679         case HNAE3_MEDIA_TYPE_FIBER:
 680                 if (module_type == HNAE3_MODULE_TYPE_CR)
 681                         cmd->base.port = PORT_DA;
 682                 else
 683                         cmd->base.port = PORT_FIBRE;
 684
 685                 hns3_get_ksettings(h, cmd);
 686                 break;
 687         case HNAE3_MEDIA_TYPE_BACKPLANE:
 688                 cmd->base.port = PORT_NONE;
 689                 hns3_get_ksettings(h, cmd);
 690                 break;
 691         case HNAE3_MEDIA_TYPE_COPPER:
 692                 cmd->base.port = PORT_TP;
 693                 if (!netdev->phydev)
 694                         hns3_get_ksettings(h, cmd);
 695                 else
 696                         phy_ethtool_ksettings_get(netdev->phydev, cmd);
 697                 break;
 698         default:
 699
 700                 netdev_warn(netdev, "Unknown media type");
 701                 return 0;
 702         }
 703
 704         /* mdio_support */
 705         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 706
 707         link_stat = hns3_get_link(netdev);
 708         if (!link_stat) {
 709                 cmd->base.speed = SPEED_UNKNOWN;
 710                 cmd->base.duplex = DUPLEX_UNKNOWN;
 711         }
 712
 713         return 0;
 714 }
 715
 716 static int hns3_check_ksettings_param(const struct net_device *netdev,
 717                                       const struct ethtool_link_ksettings *cmd)
 718 {
 719         struct hnae3_handle *handle = hns3_get_handle(netdev);
 720         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 721         u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
 722         u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
 723         u8 autoneg;
 724         u32 speed;
 725         u8 duplex;
 726         int ret;
 727
 728         /* hw doesn't support use specified speed and duplex to negotiate,
 729          * unnecessary to check them when autoneg on.
 730          */
 731         if (cmd->base.autoneg)
 732                 return 0;
 733
 734         if (ops->get_ksettings_an_result) {
 735                 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
 736                 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
 737                     cmd->base.duplex == duplex)
 738                         return 0;
 739         }
 740
 741         if (ops->get_media_type)
 742                 ops->get_media_type(handle, &media_type, &module_type);
 743
 744         if (cmd->base.duplex == DUPLEX_HALF &&
 745             media_type != HNAE3_MEDIA_TYPE_COPPER) {
 746                 netdev_err(netdev,
 747                            "only copper port supports half duplex!");
 748                 return -EINVAL;
 749         }
 750
 751         if (ops->check_port_speed) {
 752                 ret = ops->check_port_speed(handle, cmd->base.speed);
 753                 if (ret) {
 754                         netdev_err(netdev, "unsupported speed\n");
 755                         return ret;
 756                 }
 757         }
 758
 759         return 0;
 760 }
 761
 762 static int hns3_set_link_ksettings(struct net_device *netdev,
 763                                    const struct ethtool_link_ksettings *cmd)
 764 {
 765         struct hnae3_handle *handle = hns3_get_handle(netdev);
 766         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 767         int ret;
 768
 769         /* Chip don't support this mode. */
 770         if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 771                 return -EINVAL;
 772
 773         netif_dbg(handle, drv, netdev,
 774                   "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
 775                   netdev->phydev ? "phy" : "mac",
 776                   cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
 777
 778         /* Only support ksettings_set for netdev with phy attached for now */
 779         if (netdev->phydev) {
 780                 if (cmd->base.speed == SPEED_1000 &&
 781                     cmd->base.autoneg == AUTONEG_DISABLE)
 782                         return -EINVAL;
 783
 784                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 785         }
 786
 787         if (handle->pdev->revision == 0x20)
 788                 return -EOPNOTSUPP;
 789
 790         ret = hns3_check_ksettings_param(netdev, cmd);
 791         if (ret)
 792                 return ret;
 793
 794         if (ops->set_autoneg) {
 795                 ret = ops->set_autoneg(handle, cmd->base.autoneg);
 796                 if (ret)
 797                         return ret;
 798         }
 799
 800         /* hw doesn't support use specified speed and duplex to negotiate,
 801          * ignore them when autoneg on.
 802          */
 803         if (cmd->base.autoneg) {
 804                 netdev_info(netdev,
 805                             "autoneg is on, ignore the speed and duplex\n");
 806                 return 0;
 807         }
 808
 809         if (ops->cfg_mac_speed_dup_h)
 810                 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
 811                                                cmd->base.duplex);
 812
 813         return ret;
 814 }
 815
 816 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 817 {
 818         struct hnae3_handle *h = hns3_get_handle(netdev);
 819
 820         if (!h->ae_algo->ops->get_rss_key_size)
 821                 return 0;
 822
 823         return h->ae_algo->ops->get_rss_key_size(h);
 824 }
 825
 826 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 827 {
 828         struct hnae3_handle *h = hns3_get_handle(netdev);
 829
 830         if (!h->ae_algo->ops->get_rss_indir_size)
 831                 return 0;
 832
 833         return h->ae_algo->ops->get_rss_indir_size(h);
 834 }
 835
 836 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 837                         u8 *hfunc)
 838 {
 839         struct hnae3_handle *h = hns3_get_handle(netdev);
 840
 841         if (!h->ae_algo->ops->get_rss)
 842                 return -EOPNOTSUPP;
 843
 844         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 845 }
 846
 847 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 848                         const u8 *key, const u8 hfunc)
 849 {
 850         struct hnae3_handle *h = hns3_get_handle(netdev);
 851
 852         if (!h->ae_algo->ops->set_rss)
 853                 return -EOPNOTSUPP;
 854
 855         if ((h->pdev->revision == 0x20 &&
 856              hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 857              hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
 858                 netdev_err(netdev, "hash func not supported\n");
 859                 return -EOPNOTSUPP;
 860         }
 861
 862         if (!indir) {
 863                 netdev_err(netdev,
 864                            "set rss failed for indir is empty\n");
 865                 return -EOPNOTSUPP;
 866         }
 867
 868         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 869 }
 870
 871 static int hns3_get_rxnfc(struct net_device *netdev,
 872                           struct ethtool_rxnfc *cmd,
 873                           u32 *rule_locs)
 874 {
 875         struct hnae3_handle *h = hns3_get_handle(netdev);
 876
 877         switch (cmd->cmd) {
 878         case ETHTOOL_GRXRINGS:
 879                 cmd->data = h->kinfo.num_tqps;
 880                 return 0;
 881         case ETHTOOL_GRXFH:
 882                 if (h->ae_algo->ops->get_rss_tuple)
 883                         return h->ae_algo->ops->get_rss_tuple(h, cmd);
 884                 return -EOPNOTSUPP;
 885         case ETHTOOL_GRXCLSRLCNT:
 886                 if (h->ae_algo->ops->get_fd_rule_cnt)
 887                         return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
 888                 return -EOPNOTSUPP;
 889         case ETHTOOL_GRXCLSRULE:
 890                 if (h->ae_algo->ops->get_fd_rule_info)
 891                         return h->ae_algo->ops->get_fd_rule_info(h, cmd);
 892                 return -EOPNOTSUPP;
 893         case ETHTOOL_GRXCLSRLALL:
 894                 if (h->ae_algo->ops->get_fd_all_rules)
 895                         return h->ae_algo->ops->get_fd_all_rules(h, cmd,
 896                                                                  rule_locs);
 897                 return -EOPNOTSUPP;
 898         default:
 899                 return -EOPNOTSUPP;
 900         }
 901 }
 902
 903 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 904                                         u32 tx_desc_num, u32 rx_desc_num)
 905 {
 906         struct hnae3_handle *h = priv->ae_handle;
 907         int i;
 908
 909         h->kinfo.num_tx_desc = tx_desc_num;
 910         h->kinfo.num_rx_desc = rx_desc_num;
 911
 912         for (i = 0; i < h->kinfo.num_tqps; i++) {
 913                 priv->ring[i].desc_num = tx_desc_num;
 914                 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
 915         }
 916 }
 917
 918 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
 919 {
 920         struct hnae3_handle *handle = priv->ae_handle;
 921         struct hns3_enet_ring *tmp_rings;
 922         int i;
 923
 924         tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
 925                             sizeof(struct hns3_enet_ring), GFP_KERNEL);
 926         if (!tmp_rings)
 927                 return NULL;
 928
 929         for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
 930                 memcpy(&tmp_rings[i], &priv->ring[i],
 931                        sizeof(struct hns3_enet_ring));
 932                 tmp_rings[i].skb = NULL;
 933         }
 934
 935         return tmp_rings;
 936 }
 937
 938 static int hns3_check_ringparam(struct net_device *ndev,
 939                                 struct ethtool_ringparam *param)
 940 {
 941         if (hns3_nic_resetting(ndev))
 942                 return -EBUSY;
 943
 944         if (param->rx_mini_pending || param->rx_jumbo_pending)
 945                 return -EINVAL;
 946
 947         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 948             param->tx_pending < HNS3_RING_MIN_PENDING ||
 949             param->rx_pending > HNS3_RING_MAX_PENDING ||
 950             param->rx_pending < HNS3_RING_MIN_PENDING) {
 951                 netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
 952                            HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
 953                 return -EINVAL;
 954         }
 955
 956         return 0;
 957 }
 958
 959 static int hns3_set_ringparam(struct net_device *ndev,
 960                               struct ethtool_ringparam *param)
 961 {
 962         struct hns3_nic_priv *priv = netdev_priv(ndev);
 963         struct hnae3_handle *h = priv->ae_handle;
 964         struct hns3_enet_ring *tmp_rings;
 965         bool if_running = netif_running(ndev);
 966         u32 old_tx_desc_num, new_tx_desc_num;
 967         u32 old_rx_desc_num, new_rx_desc_num;
 968         u16 queue_num = h->kinfo.num_tqps;
 969         int ret, i;
 970
 971         ret = hns3_check_ringparam(ndev, param);
 972         if (ret)
 973                 return ret;
 974
 975         /* Hardware requires that its descriptors must be multiple of eight */
 976         new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
 977         new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
 978         old_tx_desc_num = priv->ring[0].desc_num;
 979         old_rx_desc_num = priv->ring[queue_num].desc_num;
 980         if (old_tx_desc_num == new_tx_desc_num &&
 981             old_rx_desc_num == new_rx_desc_num)
 982                 return 0;
 983
 984         tmp_rings = hns3_backup_ringparam(priv);
 985         if (!tmp_rings) {
 986                 netdev_err(ndev,
 987                            "backup ring param failed by allocating memory fail\n");
 988                 return -ENOMEM;
 989         }
 990
 991         netdev_info(ndev,
 992                     "Changing Tx/Rx ring depth from %u/%u to %u/%u\n",
 993                     old_tx_desc_num, old_rx_desc_num,
 994                     new_tx_desc_num, new_rx_desc_num);
 995
 996         if (if_running)
 997                 ndev->netdev_ops->ndo_stop(ndev);
 998
 999         hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
1000         ret = hns3_init_all_ring(priv);
1001         if (ret) {
1002                 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
1003                            ret);
1004
1005                 hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
1006                                             old_rx_desc_num);
1007                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1008                         memcpy(&priv->ring[i], &tmp_rings[i],
1009                                sizeof(struct hns3_enet_ring));
1010         } else {
1011                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1012                         hns3_fini_ring(&tmp_rings[i]);
1013         }
1014
1015         kfree(tmp_rings);
1016
1017         if (if_running)
1018                 ret = ndev->netdev_ops->ndo_open(ndev);
1019
1020         return ret;
1021 }
1022
1023 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1024 {
1025         struct hnae3_handle *h = hns3_get_handle(netdev);
1026
1027         switch (cmd->cmd) {
1028         case ETHTOOL_SRXFH:
1029                 if (h->ae_algo->ops->set_rss_tuple)
1030                         return h->ae_algo->ops->set_rss_tuple(h, cmd);
1031                 return -EOPNOTSUPP;
1032         case ETHTOOL_SRXCLSRLINS:
1033                 if (h->ae_algo->ops->add_fd_entry)
1034                         return h->ae_algo->ops->add_fd_entry(h, cmd);
1035                 return -EOPNOTSUPP;
1036         case ETHTOOL_SRXCLSRLDEL:
1037                 if (h->ae_algo->ops->del_fd_entry)
1038                         return h->ae_algo->ops->del_fd_entry(h, cmd);
1039                 return -EOPNOTSUPP;
1040         default:
1041                 return -EOPNOTSUPP;
1042         }
1043 }
1044
1045 static int hns3_nway_reset(struct net_device *netdev)
1046 {
1047         struct hnae3_handle *handle = hns3_get_handle(netdev);
1048         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1049         struct phy_device *phy = netdev->phydev;
1050         int autoneg;
1051
1052         if (!netif_running(netdev))
1053                 return 0;
1054
1055         if (hns3_nic_resetting(netdev)) {
1056                 netdev_err(netdev, "dev resetting!");
1057                 return -EBUSY;
1058         }
1059
1060         if (!ops->get_autoneg || !ops->restart_autoneg)
1061                 return -EOPNOTSUPP;
1062
1063         autoneg = ops->get_autoneg(handle);
1064         if (autoneg != AUTONEG_ENABLE) {
1065                 netdev_err(netdev,
1066                            "Autoneg is off, don't support to restart it\n");
1067                 return -EINVAL;
1068         }
1069
1070         netif_dbg(handle, drv, netdev,
1071                   "nway reset (using %s)\n", phy ? "phy" : "mac");
1072
1073         if (phy)
1074                 return genphy_restart_aneg(phy);
1075
1076         if (handle->pdev->revision == 0x20)
1077                 return -EOPNOTSUPP;
1078
1079         return ops->restart_autoneg(handle);
1080 }
1081
1082 static void hns3_get_channels(struct net_device *netdev,
1083                               struct ethtool_channels *ch)
1084 {
1085         struct hnae3_handle *h = hns3_get_handle(netdev);
1086
1087         if (h->ae_algo->ops->get_channels)
1088                 h->ae_algo->ops->get_channels(h, ch);
1089 }
1090
1091 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
1092                                        struct ethtool_coalesce *cmd)
1093 {
1094         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1095         struct hns3_nic_priv *priv = netdev_priv(netdev);
1096         struct hnae3_handle *h = priv->ae_handle;
1097         u16 queue_num = h->kinfo.num_tqps;
1098
1099         if (hns3_nic_resetting(netdev))
1100                 return -EBUSY;
1101
1102         if (queue >= queue_num) {
1103                 netdev_err(netdev,
1104                            "Invalid queue value %u! Queue max id=%u\n",
1105                            queue, queue_num - 1);
1106                 return -EINVAL;
1107         }
1108
1109         tx_vector = priv->ring[queue].tqp_vector;
1110         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1111
1112         cmd->use_adaptive_tx_coalesce =
1113                         tx_vector->tx_group.coal.gl_adapt_enable;
1114         cmd->use_adaptive_rx_coalesce =
1115                         rx_vector->rx_group.coal.gl_adapt_enable;
1116
1117         cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
1118         cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1119
1120         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1121         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1122
1123         return 0;
1124 }
1125
1126 static int hns3_get_coalesce(struct net_device *netdev,
1127                              struct ethtool_coalesce *cmd)
1128 {
1129         return hns3_get_coalesce_per_queue(netdev, 0, cmd);
1130 }
1131
1132 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1133                                        struct ethtool_coalesce *cmd)
1134 {
1135         u32 rx_gl, tx_gl;
1136
1137         if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
1138                 netdev_err(netdev,
1139                            "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
1140                            HNS3_INT_GL_MAX);
1141                 return -EINVAL;
1142         }
1143
1144         if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
1145                 netdev_err(netdev,
1146                            "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
1147                            HNS3_INT_GL_MAX);
1148                 return -EINVAL;
1149         }
1150
1151         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1152         if (rx_gl != cmd->rx_coalesce_usecs) {
1153                 netdev_info(netdev,
1154                             "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1155                             cmd->rx_coalesce_usecs, rx_gl);
1156         }
1157
1158         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1159         if (tx_gl != cmd->tx_coalesce_usecs) {
1160                 netdev_info(netdev,
1161                             "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1162                             cmd->tx_coalesce_usecs, tx_gl);
1163         }
1164
1165         return 0;
1166 }
1167
1168 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1169                                        struct ethtool_coalesce *cmd)
1170 {
1171         u32 rl;
1172
1173         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1174                 netdev_err(netdev,
1175                            "tx_usecs_high must be same as rx_usecs_high.\n");
1176                 return -EINVAL;
1177         }
1178
1179         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1180                 netdev_err(netdev,
1181                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
1182                            HNS3_INT_RL_MAX);
1183                 return -EINVAL;
1184         }
1185
1186         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1187         if (rl != cmd->rx_coalesce_usecs_high) {
1188                 netdev_info(netdev,
1189                             "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1190                             cmd->rx_coalesce_usecs_high, rl);
1191         }
1192
1193         return 0;
1194 }
1195
1196 static int hns3_check_coalesce_para(struct net_device *netdev,
1197                                     struct ethtool_coalesce *cmd)
1198 {
1199         int ret;
1200
1201         ret = hns3_check_gl_coalesce_para(netdev, cmd);
1202         if (ret) {
1203                 netdev_err(netdev,
1204                            "Check gl coalesce param fail. ret = %d\n", ret);
1205                 return ret;
1206         }
1207
1208         ret = hns3_check_rl_coalesce_para(netdev, cmd);
1209         if (ret) {
1210                 netdev_err(netdev,
1211                            "Check rl coalesce param fail. ret = %d\n", ret);
1212                 return ret;
1213         }
1214
1215         if (cmd->use_adaptive_tx_coalesce == 1 ||
1216             cmd->use_adaptive_rx_coalesce == 1) {
1217                 netdev_info(netdev,
1218                             "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n",
1219                             cmd->use_adaptive_tx_coalesce,
1220                             cmd->use_adaptive_rx_coalesce);
1221         }
1222
1223         return 0;
1224 }
1225
1226 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1227                                         struct ethtool_coalesce *cmd,
1228                                         u32 queue)
1229 {
1230         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1231         struct hns3_nic_priv *priv = netdev_priv(netdev);
1232         struct hnae3_handle *h = priv->ae_handle;
1233         int queue_num = h->kinfo.num_tqps;
1234
1235         tx_vector = priv->ring[queue].tqp_vector;
1236         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1237
1238         tx_vector->tx_group.coal.gl_adapt_enable =
1239                                 cmd->use_adaptive_tx_coalesce;
1240         rx_vector->rx_group.coal.gl_adapt_enable =
1241                                 cmd->use_adaptive_rx_coalesce;
1242
1243         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1244         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1245
1246         hns3_set_vector_coalesce_tx_gl(tx_vector,
1247                                        tx_vector->tx_group.coal.int_gl);
1248         hns3_set_vector_coalesce_rx_gl(rx_vector,
1249                                        rx_vector->rx_group.coal.int_gl);
1250
1251         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1252         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1253 }
1254
1255 static int hns3_set_coalesce(struct net_device *netdev,
1256                              struct ethtool_coalesce *cmd)
1257 {
1258         struct hnae3_handle *h = hns3_get_handle(netdev);
1259         u16 queue_num = h->kinfo.num_tqps;
1260         int ret;
1261         int i;
1262
1263         if (hns3_nic_resetting(netdev))
1264                 return -EBUSY;
1265
1266         ret = hns3_check_coalesce_para(netdev, cmd);
1267         if (ret)
1268                 return ret;
1269
1270         h->kinfo.int_rl_setting =
1271                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1272
1273         for (i = 0; i < queue_num; i++)
1274                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1275
1276         return 0;
1277 }
1278
1279 static int hns3_get_regs_len(struct net_device *netdev)
1280 {
1281         struct hnae3_handle *h = hns3_get_handle(netdev);
1282
1283         if (!h->ae_algo->ops->get_regs_len)
1284                 return -EOPNOTSUPP;
1285
1286         return h->ae_algo->ops->get_regs_len(h);
1287 }
1288
1289 static void hns3_get_regs(struct net_device *netdev,
1290                           struct ethtool_regs *cmd, void *data)
1291 {
1292         struct hnae3_handle *h = hns3_get_handle(netdev);
1293
1294         if (!h->ae_algo->ops->get_regs)
1295                 return;
1296
1297         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1298 }
1299
1300 static int hns3_set_phys_id(struct net_device *netdev,
1301                             enum ethtool_phys_id_state state)
1302 {
1303         struct hnae3_handle *h = hns3_get_handle(netdev);
1304
1305         if (!h->ae_algo->ops->set_led_id)
1306                 return -EOPNOTSUPP;
1307
1308         return h->ae_algo->ops->set_led_id(h, state);
1309 }
1310
1311 static u32 hns3_get_msglevel(struct net_device *netdev)
1312 {
1313         struct hnae3_handle *h = hns3_get_handle(netdev);
1314
1315         return h->msg_enable;
1316 }
1317
1318 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1319 {
1320         struct hnae3_handle *h = hns3_get_handle(netdev);
1321
1322         h->msg_enable = msg_level;
1323 }
1324
1325 /* Translate local fec value into ethtool value. */
1326 static unsigned int loc_to_eth_fec(u8 loc_fec)
1327 {
1328         u32 eth_fec = 0;
1329
1330         if (loc_fec & BIT(HNAE3_FEC_AUTO))
1331                 eth_fec |= ETHTOOL_FEC_AUTO;
1332         if (loc_fec & BIT(HNAE3_FEC_RS))
1333                 eth_fec |= ETHTOOL_FEC_RS;
1334         if (loc_fec & BIT(HNAE3_FEC_BASER))
1335                 eth_fec |= ETHTOOL_FEC_BASER;
1336
1337         /* if nothing is set, then FEC is off */
1338         if (!eth_fec)
1339                 eth_fec = ETHTOOL_FEC_OFF;
1340
1341         return eth_fec;
1342 }
1343
1344 /* Translate ethtool fec value into local value. */
1345 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1346 {
1347         u32 loc_fec = 0;
1348
1349         if (eth_fec & ETHTOOL_FEC_OFF)
1350                 return loc_fec;
1351
1352         if (eth_fec & ETHTOOL_FEC_AUTO)
1353                 loc_fec |= BIT(HNAE3_FEC_AUTO);
1354         if (eth_fec & ETHTOOL_FEC_RS)
1355                 loc_fec |= BIT(HNAE3_FEC_RS);
1356         if (eth_fec & ETHTOOL_FEC_BASER)
1357                 loc_fec |= BIT(HNAE3_FEC_BASER);
1358
1359         return loc_fec;
1360 }
1361
1362 static int hns3_get_fecparam(struct net_device *netdev,
1363                              struct ethtool_fecparam *fec)
1364 {
1365         struct hnae3_handle *handle = hns3_get_handle(netdev);
1366         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1367         u8 fec_ability;
1368         u8 fec_mode;
1369
1370         if (handle->pdev->revision == 0x20)
1371                 return -EOPNOTSUPP;
1372
1373         if (!ops->get_fec)
1374                 return -EOPNOTSUPP;
1375
1376         ops->get_fec(handle, &fec_ability, &fec_mode);
1377
1378         fec->fec = loc_to_eth_fec(fec_ability);
1379         fec->active_fec = loc_to_eth_fec(fec_mode);
1380
1381         return 0;
1382 }
1383
1384 static int hns3_set_fecparam(struct net_device *netdev,
1385                              struct ethtool_fecparam *fec)
1386 {
1387         struct hnae3_handle *handle = hns3_get_handle(netdev);
1388         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1389         u32 fec_mode;
1390
1391         if (handle->pdev->revision == 0x20)
1392                 return -EOPNOTSUPP;
1393
1394         if (!ops->set_fec)
1395                 return -EOPNOTSUPP;
1396         fec_mode = eth_to_loc_fec(fec->fec);
1397
1398         netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1399
1400         return ops->set_fec(handle, fec_mode);
1401 }
1402
1403 static int hns3_get_module_info(struct net_device *netdev,
1404                                 struct ethtool_modinfo *modinfo)
1405 {
1406 #define HNS3_SFF_8636_V1_3 0x03
1407
1408         struct hnae3_handle *handle = hns3_get_handle(netdev);
1409         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1410         struct hns3_sfp_type sfp_type;
1411         int ret;
1412
1413         if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom)
1414                 return -EOPNOTSUPP;
1415
1416         memset(&sfp_type, 0, sizeof(sfp_type));
1417         ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
1418                                      (u8 *)&sfp_type);
1419         if (ret)
1420                 return ret;
1421
1422         switch (sfp_type.type) {
1423         case SFF8024_ID_SFP:
1424                 modinfo->type = ETH_MODULE_SFF_8472;
1425                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1426                 break;
1427         case SFF8024_ID_QSFP_8438:
1428                 modinfo->type = ETH_MODULE_SFF_8436;
1429                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1430                 break;
1431         case SFF8024_ID_QSFP_8436_8636:
1432                 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
1433                         modinfo->type = ETH_MODULE_SFF_8436;
1434                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1435                 } else {
1436                         modinfo->type = ETH_MODULE_SFF_8636;
1437                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1438                 }
1439                 break;
1440         case SFF8024_ID_QSFP28_8636:
1441                 modinfo->type = ETH_MODULE_SFF_8636;
1442                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1443                 break;
1444         default:
1445                 netdev_err(netdev, "Optical module unknown: %#x\n",
1446                            sfp_type.type);
1447                 return -EINVAL;
1448         }
1449
1450         return 0;
1451 }
1452
1453 static int hns3_get_module_eeprom(struct net_device *netdev,
1454                                   struct ethtool_eeprom *ee, u8 *data)
1455 {
1456         struct hnae3_handle *handle = hns3_get_handle(netdev);
1457         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1458
1459         if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom)
1460                 return -EOPNOTSUPP;
1461
1462         if (!ee->len)
1463                 return -EINVAL;
1464
1465         memset(data, 0, ee->len);
1466
1467         return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
1468 }
1469
1470 #define HNS3_ETHTOOL_COALESCE   (ETHTOOL_COALESCE_USECS |               \
1471                                  ETHTOOL_COALESCE_USE_ADAPTIVE |        \
1472                                  ETHTOOL_COALESCE_RX_USECS_HIGH |       \
1473                                  ETHTOOL_COALESCE_TX_USECS_HIGH)
1474
1475 static const struct ethtool_ops hns3vf_ethtool_ops = {
1476         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1477         .get_drvinfo = hns3_get_drvinfo,
1478         .get_ringparam = hns3_get_ringparam,
1479         .set_ringparam = hns3_set_ringparam,
1480         .get_strings = hns3_get_strings,
1481         .get_ethtool_stats = hns3_get_stats,
1482         .get_sset_count = hns3_get_sset_count,
1483         .get_rxnfc = hns3_get_rxnfc,
1484         .set_rxnfc = hns3_set_rxnfc,
1485         .get_rxfh_key_size = hns3_get_rss_key_size,
1486         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1487         .get_rxfh = hns3_get_rss,
1488         .set_rxfh = hns3_set_rss,
1489         .get_link_ksettings = hns3_get_link_ksettings,
1490         .get_channels = hns3_get_channels,
1491         .set_channels = hns3_set_channels,
1492         .get_coalesce = hns3_get_coalesce,
1493         .set_coalesce = hns3_set_coalesce,
1494         .get_regs_len = hns3_get_regs_len,
1495         .get_regs = hns3_get_regs,
1496         .get_link = hns3_get_link,
1497         .get_msglevel = hns3_get_msglevel,
1498         .set_msglevel = hns3_set_msglevel,
1499 };
1500
1501 static const struct ethtool_ops hns3_ethtool_ops = {
1502         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1503         .self_test = hns3_self_test,
1504         .get_drvinfo = hns3_get_drvinfo,
1505         .get_link = hns3_get_link,
1506         .get_ringparam = hns3_get_ringparam,
1507         .set_ringparam = hns3_set_ringparam,
1508         .get_pauseparam = hns3_get_pauseparam,
1509         .set_pauseparam = hns3_set_pauseparam,
1510         .get_strings = hns3_get_strings,
1511         .get_ethtool_stats = hns3_get_stats,
1512         .get_sset_count = hns3_get_sset_count,
1513         .get_rxnfc = hns3_get_rxnfc,
1514         .set_rxnfc = hns3_set_rxnfc,
1515         .get_rxfh_key_size = hns3_get_rss_key_size,
1516         .get_rxfh_indir_size = hns3_get_rss_indir_size,
1517         .get_rxfh = hns3_get_rss,
1518         .set_rxfh = hns3_set_rss,
1519         .get_link_ksettings = hns3_get_link_ksettings,
1520         .set_link_ksettings = hns3_set_link_ksettings,
1521         .nway_reset = hns3_nway_reset,
1522         .get_channels = hns3_get_channels,
1523         .set_channels = hns3_set_channels,
1524         .get_coalesce = hns3_get_coalesce,
1525         .set_coalesce = hns3_set_coalesce,
1526         .get_regs_len = hns3_get_regs_len,
1527         .get_regs = hns3_get_regs,
1528         .set_phys_id = hns3_set_phys_id,
1529         .get_msglevel = hns3_get_msglevel,
1530         .set_msglevel = hns3_set_msglevel,
1531         .get_fecparam = hns3_get_fecparam,
1532         .set_fecparam = hns3_set_fecparam,
1533         .get_module_info = hns3_get_module_info,
1534         .get_module_eeprom = hns3_get_module_eeprom,
1535 };
1536
1537 void hns3_ethtool_set_ops(struct net_device *netdev)
1538 {
1539         struct hnae3_handle *h = hns3_get_handle(netdev);
1540
1541         if (h->flags & HNAE3_SUPPORT_VF)
1542                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1543         else
1544                 netdev->ethtool_ops = &hns3_ethtool_ops;
1545 }