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

   1 /*
   2  * Copyright (c) 2016~2017 Hisilicon Limited.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include <linux/etherdevice.h>
  11 #include <linux/string.h>
  12 #include <linux/phy.h>
  13
  14 #include "hns3_enet.h"
  15
  16 struct hns3_stats {
  17         char stats_string[ETH_GSTRING_LEN];
  18         int stats_size;
  19         int stats_offset;
  20 };
  21
  22 /* tqp related stats */
  23 #define HNS3_TQP_STAT(_string, _member) {                       \
  24         .stats_string = _string,                                \
  25         .stats_size = FIELD_SIZEOF(struct ring_stats, _member), \
  26         .stats_offset = offsetof(struct hns3_enet_ring, stats), \
  27 }                                                               \
  28
  29 static const struct hns3_stats hns3_txq_stats[] = {
  30         /* Tx per-queue statistics */
  31         HNS3_TQP_STAT("tx_io_err_cnt", io_err_cnt),
  32         HNS3_TQP_STAT("tx_sw_err_cnt", sw_err_cnt),
  33         HNS3_TQP_STAT("tx_seg_pkt_cnt", seg_pkt_cnt),
  34         HNS3_TQP_STAT("tx_pkts", tx_pkts),
  35         HNS3_TQP_STAT("tx_bytes", tx_bytes),
  36         HNS3_TQP_STAT("tx_err_cnt", tx_err_cnt),
  37         HNS3_TQP_STAT("tx_restart_queue", restart_queue),
  38         HNS3_TQP_STAT("tx_busy", tx_busy),
  39 };
  40
  41 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
  42
  43 static const struct hns3_stats hns3_rxq_stats[] = {
  44         /* Rx per-queue statistics */
  45         HNS3_TQP_STAT("rx_io_err_cnt", io_err_cnt),
  46         HNS3_TQP_STAT("rx_sw_err_cnt", sw_err_cnt),
  47         HNS3_TQP_STAT("rx_seg_pkt_cnt", seg_pkt_cnt),
  48         HNS3_TQP_STAT("rx_pkts", rx_pkts),
  49         HNS3_TQP_STAT("rx_bytes", rx_bytes),
  50         HNS3_TQP_STAT("rx_err_cnt", rx_err_cnt),
  51         HNS3_TQP_STAT("rx_reuse_pg_cnt", reuse_pg_cnt),
  52         HNS3_TQP_STAT("rx_err_pkt_len", err_pkt_len),
  53         HNS3_TQP_STAT("rx_non_vld_descs", non_vld_descs),
  54         HNS3_TQP_STAT("rx_err_bd_num", err_bd_num),
  55         HNS3_TQP_STAT("rx_l2_err", l2_err),
  56         HNS3_TQP_STAT("rx_l3l4_csum_err", l3l4_csum_err),
  57 };
  58
  59 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
  60
  61 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
  62
  63 #define HNS3_SELF_TEST_TPYE_NUM         1
  64 #define HNS3_NIC_LB_TEST_PKT_NUM        1
  65 #define HNS3_NIC_LB_TEST_RING_ID        0
  66 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  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 const struct hns3_link_mode_mapping hns3_lm_map[] = {
  79         {HNS3_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
  80         {HNS3_LM_AUTONEG_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
  81         {HNS3_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT},
  82         {HNS3_LM_PAUSE_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
  83         {HNS3_LM_BACKPLANE_BIT, ETHTOOL_LINK_MODE_Backplane_BIT},
  84         {HNS3_LM_10BASET_HALF_BIT, ETHTOOL_LINK_MODE_10baseT_Half_BIT},
  85         {HNS3_LM_10BASET_FULL_BIT, ETHTOOL_LINK_MODE_10baseT_Full_BIT},
  86         {HNS3_LM_100BASET_HALF_BIT, ETHTOOL_LINK_MODE_100baseT_Half_BIT},
  87         {HNS3_LM_100BASET_FULL_BIT, ETHTOOL_LINK_MODE_100baseT_Full_BIT},
  88         {HNS3_LM_1000BASET_FULL_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
  89 };
  90
  91 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
  92 {
  93         struct hnae3_handle *h = hns3_get_handle(ndev);
  94         int ret;
  95
  96         if (!h->ae_algo->ops->set_loopback ||
  97             !h->ae_algo->ops->set_promisc_mode)
  98                 return -EOPNOTSUPP;
  99
 100         switch (loop) {
 101         case HNAE3_MAC_INTER_LOOP_MAC:
 102                 ret = h->ae_algo->ops->set_loopback(h, loop, true);
 103                 break;
 104         case HNAE3_MAC_LOOP_NONE:
 105                 ret = h->ae_algo->ops->set_loopback(h,
 106                         HNAE3_MAC_INTER_LOOP_MAC, false);
 107                 break;
 108         default:
 109                 ret = -ENOTSUPP;
 110                 break;
 111         }
 112
 113         if (ret)
 114                 return ret;
 115
 116         if (loop == HNAE3_MAC_LOOP_NONE)
 117                 h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC);
 118         else
 119                 h->ae_algo->ops->set_promisc_mode(h, 1);
 120
 121         return ret;
 122 }
 123
 124 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
 125 {
 126         struct hnae3_handle *h = hns3_get_handle(ndev);
 127         int ret;
 128
 129         if (!h->ae_algo->ops->start)
 130                 return -EOPNOTSUPP;
 131
 132         ret = h->ae_algo->ops->start(h);
 133         if (ret) {
 134                 netdev_err(ndev,
 135                            "hns3_lb_up ae start return error: %d\n", ret);
 136                 return ret;
 137         }
 138
 139         ret = hns3_lp_setup(ndev, loop_mode);
 140         usleep_range(10000, 20000);
 141
 142         return ret;
 143 }
 144
 145 static int hns3_lp_down(struct net_device *ndev)
 146 {
 147         struct hnae3_handle *h = hns3_get_handle(ndev);
 148         int ret;
 149
 150         if (!h->ae_algo->ops->stop)
 151                 return -EOPNOTSUPP;
 152
 153         ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE);
 154         if (ret) {
 155                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 156                 return ret;
 157         }
 158
 159         h->ae_algo->ops->stop(h);
 160         usleep_range(10000, 20000);
 161
 162         return 0;
 163 }
 164
 165 static void hns3_lp_setup_skb(struct sk_buff *skb)
 166 {
 167         struct net_device *ndev = skb->dev;
 168         unsigned char *packet;
 169         struct ethhdr *ethh;
 170         unsigned int i;
 171
 172         skb_reserve(skb, NET_IP_ALIGN);
 173         ethh = skb_put(skb, sizeof(struct ethhdr));
 174         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 175
 176         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 177         eth_zero_addr(ethh->h_source);
 178         ethh->h_proto = htons(ETH_P_ARP);
 179         skb_reset_mac_header(skb);
 180
 181         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 182                 packet[i] = (unsigned char)(i & 0xff);
 183 }
 184
 185 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 186                                    struct sk_buff *skb)
 187 {
 188         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 189         unsigned char *packet = skb->data;
 190         u32 i;
 191
 192         for (i = 0; i < skb->len; i++)
 193                 if (packet[i] != (unsigned char)(i & 0xff))
 194                         break;
 195
 196         /* The packet is correctly received */
 197         if (i == skb->len)
 198                 tqp_vector->rx_group.total_packets++;
 199         else
 200                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 201                                skb->data, skb->len, true);
 202
 203         dev_kfree_skb_any(skb);
 204 }
 205
 206 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 207 {
 208         struct hnae3_handle *h = priv->ae_handle;
 209         struct hnae3_knic_private_info *kinfo;
 210         u32 i, rcv_good_pkt_total = 0;
 211
 212         kinfo = &h->kinfo;
 213         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 214                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 215                 struct hns3_enet_ring_group *rx_group;
 216                 u64 pre_rx_pkt;
 217
 218                 rx_group = &ring->tqp_vector->rx_group;
 219                 pre_rx_pkt = rx_group->total_packets;
 220
 221                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 222
 223                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 224                 rx_group->total_packets = pre_rx_pkt;
 225         }
 226         return rcv_good_pkt_total;
 227 }
 228
 229 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 230                                   u32 end_ringid, u32 budget)
 231 {
 232         u32 i;
 233
 234         for (i = start_ringid; i <= end_ringid; i++) {
 235                 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
 236
 237                 hns3_clean_tx_ring(ring, budget);
 238         }
 239 }
 240
 241 /**
 242  * hns3_lp_run_test -  run loopback test
 243  * @ndev: net device
 244  * @mode: loopback type
 245  */
 246 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 247 {
 248         struct hns3_nic_priv *priv = netdev_priv(ndev);
 249         struct sk_buff *skb;
 250         u32 i, good_cnt;
 251         int ret_val = 0;
 252
 253         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 254                         GFP_KERNEL);
 255         if (!skb)
 256                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 257
 258         skb->dev = ndev;
 259         hns3_lp_setup_skb(skb);
 260         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 261
 262         good_cnt = 0;
 263         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 264                 netdev_tx_t tx_ret;
 265
 266                 skb_get(skb);
 267                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 268                 if (tx_ret == NETDEV_TX_OK)
 269                         good_cnt++;
 270                 else
 271                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 272                                    tx_ret);
 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_TPYE_NUM][2];
 312         bool if_running = netif_running(ndev);
 313         int test_index = 0;
 314         u32 i;
 315
 316         /* Only do offline selftest, or pass by default */
 317         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 318                 return;
 319
 320         st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
 321         st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
 322                         h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;
 323
 324         if (if_running)
 325                 dev_close(ndev);
 326
 327         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 328
 329         for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) {
 330                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 331
 332                 if (!st_param[i][1])
 333                         continue;
 334
 335                 data[test_index] = hns3_lp_up(ndev, loop_type);
 336                 if (!data[test_index]) {
 337                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 338                         hns3_lp_down(ndev);
 339                 }
 340
 341                 if (data[test_index])
 342                         eth_test->flags |= ETH_TEST_FL_FAILED;
 343
 344                 test_index++;
 345         }
 346
 347         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 348
 349         if (if_running)
 350                 dev_open(ndev);
 351 }
 352
 353 static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd,
 354                                   bool is_advertised)
 355 {
 356         int i;
 357
 358         for (i = 0; i < ARRAY_SIZE(hns3_lm_map); i++) {
 359                 if (!(caps & hns3_lm_map[i].hns3_link_mode))
 360                         continue;
 361
 362                 if (is_advertised)
 363                         __set_bit(hns3_lm_map[i].ethtool_link_mode,
 364                                   cmd->link_modes.advertising);
 365                 else
 366                         __set_bit(hns3_lm_map[i].ethtool_link_mode,
 367                                   cmd->link_modes.supported);
 368         }
 369 }
 370
 371 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 372 {
 373         struct hnae3_handle *h = hns3_get_handle(netdev);
 374         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 375
 376         if (!ops->get_sset_count)
 377                 return -EOPNOTSUPP;
 378
 379         switch (stringset) {
 380         case ETH_SS_STATS:
 381                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 382                         ops->get_sset_count(h, stringset));
 383
 384         case ETH_SS_TEST:
 385                 return ops->get_sset_count(h, stringset);
 386         }
 387
 388         return 0;
 389 }
 390
 391 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 392                                  u32 stat_count, u32 num_tqps)
 393 {
 394 #define MAX_PREFIX_SIZE (8 + 4)
 395         u32 size_left;
 396         u32 i, j;
 397         u32 n1;
 398
 399         for (i = 0; i < num_tqps; i++) {
 400                 for (j = 0; j < stat_count; j++) {
 401                         data[ETH_GSTRING_LEN - 1] = '\0';
 402
 403                         /* first, prepend the prefix string */
 404                         n1 = snprintf(data, MAX_PREFIX_SIZE, "rcb_q%d_", i);
 405                         n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
 406                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 407
 408                         /* now, concatenate the stats string to it */
 409                         strncat(data, stats[j].stats_string, size_left);
 410                         data += ETH_GSTRING_LEN;
 411                 }
 412         }
 413
 414         return data;
 415 }
 416
 417 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 418 {
 419         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 420
 421         /* get strings for Tx */
 422         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 423                                    kinfo->num_tqps);
 424
 425         /* get strings for Rx */
 426         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 427                                    kinfo->num_tqps);
 428
 429         return data;
 430 }
 431
 432 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 433 {
 434         struct hnae3_handle *h = hns3_get_handle(netdev);
 435         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 436         char *buff = (char *)data;
 437
 438         if (!ops->get_strings)
 439                 return;
 440
 441         switch (stringset) {
 442         case ETH_SS_STATS:
 443                 buff = hns3_get_strings_tqps(h, buff);
 444                 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
 445                 break;
 446         case ETH_SS_TEST:
 447                 ops->get_strings(h, stringset, data);
 448                 break;
 449         }
 450 }
 451
 452 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 453 {
 454         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 455         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 456         struct hns3_enet_ring *ring;
 457         u8 *stat;
 458         u32 i;
 459
 460         /* get stats for Tx */
 461         for (i = 0; i < kinfo->num_tqps; i++) {
 462                 ring = nic_priv->ring_data[i].ring;
 463                 for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) {
 464                         stat = (u8 *)ring + hns3_txq_stats[i].stats_offset;
 465                         *data++ = *(u64 *)stat;
 466                 }
 467         }
 468
 469         /* get stats for Rx */
 470         for (i = 0; i < kinfo->num_tqps; i++) {
 471                 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
 472                 for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) {
 473                         stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset;
 474                         *data++ = *(u64 *)stat;
 475                 }
 476         }
 477
 478         return data;
 479 }
 480
 481 /* hns3_get_stats - get detail statistics.
 482  * @netdev: net device
 483  * @stats: statistics info.
 484  * @data: statistics data.
 485  */
 486 static void hns3_get_stats(struct net_device *netdev,
 487                            struct ethtool_stats *stats, u64 *data)
 488 {
 489         struct hnae3_handle *h = hns3_get_handle(netdev);
 490         u64 *p = data;
 491
 492         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 493                 netdev_err(netdev, "could not get any statistics\n");
 494                 return;
 495         }
 496
 497         h->ae_algo->ops->update_stats(h, &netdev->stats);
 498
 499         /* get per-queue stats */
 500         p = hns3_get_stats_tqps(h, p);
 501
 502         /* get MAC & other misc hardware stats */
 503         h->ae_algo->ops->get_stats(h, p);
 504 }
 505
 506 static void hns3_get_drvinfo(struct net_device *netdev,
 507                              struct ethtool_drvinfo *drvinfo)
 508 {
 509         struct hns3_nic_priv *priv = netdev_priv(netdev);
 510         struct hnae3_handle *h = priv->ae_handle;
 511
 512         strncpy(drvinfo->version, hns3_driver_version,
 513                 sizeof(drvinfo->version));
 514         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
 515
 516         strncpy(drvinfo->driver, h->pdev->driver->name,
 517                 sizeof(drvinfo->driver));
 518         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 519
 520         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 521                 sizeof(drvinfo->bus_info));
 522         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 523
 524         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
 525                  priv->ae_handle->ae_algo->ops->get_fw_version(h));
 526 }
 527
 528 static u32 hns3_get_link(struct net_device *netdev)
 529 {
 530         struct hnae3_handle *h = hns3_get_handle(netdev);
 531
 532         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
 533                 return h->ae_algo->ops->get_status(h);
 534         else
 535                 return 0;
 536 }
 537
 538 static void hns3_get_ringparam(struct net_device *netdev,
 539                                struct ethtool_ringparam *param)
 540 {
 541         struct hns3_nic_priv *priv = netdev_priv(netdev);
 542         struct hnae3_handle *h = priv->ae_handle;
 543         int queue_num = h->kinfo.num_tqps;
 544
 545         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 546         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 547
 548         param->tx_pending = priv->ring_data[0].ring->desc_num;
 549         param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
 550 }
 551
 552 static void hns3_get_pauseparam(struct net_device *netdev,
 553                                 struct ethtool_pauseparam *param)
 554 {
 555         struct hnae3_handle *h = hns3_get_handle(netdev);
 556
 557         if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
 558                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 559                         &param->rx_pause, &param->tx_pause);
 560 }
 561
 562 static int hns3_set_pauseparam(struct net_device *netdev,
 563                                struct ethtool_pauseparam *param)
 564 {
 565         struct hnae3_handle *h = hns3_get_handle(netdev);
 566
 567         if (h->ae_algo->ops->set_pauseparam)
 568                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 569                                                        param->rx_pause,
 570                                                        param->tx_pause);
 571         return -EOPNOTSUPP;
 572 }
 573
 574 static int hns3_get_link_ksettings(struct net_device *netdev,
 575                                    struct ethtool_link_ksettings *cmd)
 576 {
 577         struct hnae3_handle *h = hns3_get_handle(netdev);
 578         u32 flowctrl_adv = 0;
 579         u32 supported_caps;
 580         u32 advertised_caps;
 581         u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
 582         u8 link_stat;
 583
 584         if (!h->ae_algo || !h->ae_algo->ops)
 585                 return -EOPNOTSUPP;
 586
 587         /* 1.auto_neg & speed & duplex from cmd */
 588         if (netdev->phydev)
 589                 phy_ethtool_ksettings_get(netdev->phydev, cmd);
 590         else if (h->ae_algo->ops->get_ksettings_an_result)
 591                 h->ae_algo->ops->get_ksettings_an_result(h,
 592                                                          &cmd->base.autoneg,
 593                                                          &cmd->base.speed,
 594                                                          &cmd->base.duplex);
 595         else
 596                 return -EOPNOTSUPP;
 597
 598         link_stat = hns3_get_link(netdev);
 599         if (!link_stat) {
 600                 cmd->base.speed = SPEED_UNKNOWN;
 601                 cmd->base.duplex = DUPLEX_UNKNOWN;
 602         }
 603
 604         /* 2.media_type get from bios parameter block */
 605         if (h->ae_algo->ops->get_media_type) {
 606                 h->ae_algo->ops->get_media_type(h, &media_type);
 607
 608                 switch (media_type) {
 609                 case HNAE3_MEDIA_TYPE_FIBER:
 610                         cmd->base.port = PORT_FIBRE;
 611                         supported_caps = HNS3_LM_FIBRE_BIT |
 612                                          HNS3_LM_AUTONEG_BIT |
 613                                          HNS3_LM_PAUSE_BIT |
 614                                          HNS3_LM_1000BASET_FULL_BIT;
 615
 616                         advertised_caps = supported_caps;
 617                         break;
 618                 case HNAE3_MEDIA_TYPE_COPPER:
 619                         cmd->base.port = PORT_TP;
 620                         supported_caps = HNS3_LM_TP_BIT |
 621                                          HNS3_LM_AUTONEG_BIT |
 622                                          HNS3_LM_PAUSE_BIT |
 623                                          HNS3_LM_1000BASET_FULL_BIT |
 624                                          HNS3_LM_100BASET_FULL_BIT |
 625                                          HNS3_LM_100BASET_HALF_BIT |
 626                                          HNS3_LM_10BASET_FULL_BIT |
 627                                          HNS3_LM_10BASET_HALF_BIT;
 628                         advertised_caps = supported_caps;
 629                         break;
 630                 case HNAE3_MEDIA_TYPE_BACKPLANE:
 631                         cmd->base.port = PORT_NONE;
 632                         supported_caps = HNS3_LM_BACKPLANE_BIT |
 633                                          HNS3_LM_PAUSE_BIT |
 634                                          HNS3_LM_AUTONEG_BIT |
 635                                          HNS3_LM_1000BASET_FULL_BIT |
 636                                          HNS3_LM_100BASET_FULL_BIT |
 637                                          HNS3_LM_100BASET_HALF_BIT |
 638                                          HNS3_LM_10BASET_FULL_BIT |
 639                                          HNS3_LM_10BASET_HALF_BIT;
 640
 641                         advertised_caps = supported_caps;
 642                         break;
 643                 case HNAE3_MEDIA_TYPE_UNKNOWN:
 644                 default:
 645                         cmd->base.port = PORT_OTHER;
 646                         supported_caps = 0;
 647                         advertised_caps = 0;
 648                         break;
 649                 }
 650
 651                 if (!cmd->base.autoneg)
 652                         advertised_caps &= ~HNS3_LM_AUTONEG_BIT;
 653
 654                 advertised_caps &= ~HNS3_LM_PAUSE_BIT;
 655
 656                 /* now, map driver link modes to ethtool link modes */
 657                 hns3_driv_to_eth_caps(supported_caps, cmd, false);
 658                 hns3_driv_to_eth_caps(advertised_caps, cmd, true);
 659         }
 660
 661         /* 3.mdix_ctrl&mdix get from phy reg */
 662         if (h->ae_algo->ops->get_mdix_mode)
 663                 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 664                                                &cmd->base.eth_tp_mdix);
 665         /* 4.mdio_support */
 666         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 667
 668         /* 5.get flow control setttings */
 669         if (h->ae_algo->ops->get_flowctrl_adv)
 670                 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv);
 671
 672         if (flowctrl_adv & ADVERTISED_Pause)
 673                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 674                                                      Pause);
 675
 676         if (flowctrl_adv & ADVERTISED_Asym_Pause)
 677                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
 678                                                      Asym_Pause);
 679
 680         return 0;
 681 }
 682
 683 static int hns3_set_link_ksettings(struct net_device *netdev,
 684                                    const struct ethtool_link_ksettings *cmd)
 685 {
 686         /* Only support ksettings_set for netdev with phy attached for now */
 687         if (netdev->phydev)
 688                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 689
 690         return -EOPNOTSUPP;
 691 }
 692
 693 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 694 {
 695         struct hnae3_handle *h = hns3_get_handle(netdev);
 696
 697         if (!h->ae_algo || !h->ae_algo->ops ||
 698             !h->ae_algo->ops->get_rss_key_size)
 699                 return -EOPNOTSUPP;
 700
 701         return h->ae_algo->ops->get_rss_key_size(h);
 702 }
 703
 704 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 705 {
 706         struct hnae3_handle *h = hns3_get_handle(netdev);
 707
 708         if (!h->ae_algo || !h->ae_algo->ops ||
 709             !h->ae_algo->ops->get_rss_indir_size)
 710                 return -EOPNOTSUPP;
 711
 712         return h->ae_algo->ops->get_rss_indir_size(h);
 713 }
 714
 715 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 716                         u8 *hfunc)
 717 {
 718         struct hnae3_handle *h = hns3_get_handle(netdev);
 719
 720         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
 721                 return -EOPNOTSUPP;
 722
 723         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 724 }
 725
 726 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 727                         const u8 *key, const u8 hfunc)
 728 {
 729         struct hnae3_handle *h = hns3_get_handle(netdev);
 730
 731         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
 732                 return -EOPNOTSUPP;
 733
 734         /* currently we only support Toeplitz hash */
 735         if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
 736                 netdev_err(netdev,
 737                            "hash func not supported (only Toeplitz hash)\n");
 738                 return -EOPNOTSUPP;
 739         }
 740         if (!indir) {
 741                 netdev_err(netdev,
 742                            "set rss failed for indir is empty\n");
 743                 return -EOPNOTSUPP;
 744         }
 745
 746         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 747 }
 748
 749 static int hns3_get_rxnfc(struct net_device *netdev,
 750                           struct ethtool_rxnfc *cmd,
 751                           u32 *rule_locs)
 752 {
 753         struct hnae3_handle *h = hns3_get_handle(netdev);
 754
 755         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
 756                 return -EOPNOTSUPP;
 757
 758         switch (cmd->cmd) {
 759         case ETHTOOL_GRXRINGS:
 760                 cmd->data = h->kinfo.rss_size;
 761                 break;
 762         case ETHTOOL_GRXFH:
 763                 return h->ae_algo->ops->get_rss_tuple(h, cmd);
 764         default:
 765                 return -EOPNOTSUPP;
 766         }
 767
 768         return 0;
 769 }
 770
 771 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
 772                                        u32 new_desc_num)
 773 {
 774         struct hnae3_handle *h = priv->ae_handle;
 775         int i;
 776
 777         h->kinfo.num_desc = new_desc_num;
 778
 779         for (i = 0; i < h->kinfo.num_tqps * 2; i++)
 780                 priv->ring_data[i].ring->desc_num = new_desc_num;
 781
 782         return hns3_init_all_ring(priv);
 783 }
 784
 785 static int hns3_set_ringparam(struct net_device *ndev,
 786                               struct ethtool_ringparam *param)
 787 {
 788         struct hns3_nic_priv *priv = netdev_priv(ndev);
 789         struct hnae3_handle *h = priv->ae_handle;
 790         bool if_running = netif_running(ndev);
 791         u32 old_desc_num, new_desc_num;
 792         int ret;
 793
 794         if (param->rx_mini_pending || param->rx_jumbo_pending)
 795                 return -EINVAL;
 796
 797         if (param->tx_pending != param->rx_pending) {
 798                 netdev_err(ndev,
 799                            "Descriptors of tx and rx must be equal");
 800                 return -EINVAL;
 801         }
 802
 803         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
 804             param->tx_pending < HNS3_RING_MIN_PENDING) {
 805                 netdev_err(ndev,
 806                            "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
 807                            param->tx_pending, HNS3_RING_MIN_PENDING,
 808                            HNS3_RING_MAX_PENDING);
 809                 return -EINVAL;
 810         }
 811
 812         new_desc_num = param->tx_pending;
 813
 814         /* Hardware requires that its descriptors must be multiple of eight */
 815         new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
 816         old_desc_num = h->kinfo.num_desc;
 817         if (old_desc_num == new_desc_num)
 818                 return 0;
 819
 820         netdev_info(ndev,
 821                     "Changing descriptor count from %d to %d.\n",
 822                     old_desc_num, new_desc_num);
 823
 824         if (if_running)
 825                 dev_close(ndev);
 826
 827         ret = hns3_uninit_all_ring(priv);
 828         if (ret)
 829                 return ret;
 830
 831         ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
 832         if (ret) {
 833                 ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
 834                 if (ret) {
 835                         netdev_err(ndev,
 836                                    "Revert to old bd num fail, ret=%d.\n", ret);
 837                         return ret;
 838                 }
 839         }
 840
 841         if (if_running)
 842                 ret = dev_open(ndev);
 843
 844         return ret;
 845 }
 846
 847 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
 848 {
 849         struct hnae3_handle *h = hns3_get_handle(netdev);
 850
 851         if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
 852                 return -EOPNOTSUPP;
 853
 854         switch (cmd->cmd) {
 855         case ETHTOOL_SRXFH:
 856                 return h->ae_algo->ops->set_rss_tuple(h, cmd);
 857         default:
 858                 return -EOPNOTSUPP;
 859         }
 860 }
 861
 862 static int hns3_nway_reset(struct net_device *netdev)
 863 {
 864         struct phy_device *phy = netdev->phydev;
 865
 866         if (!netif_running(netdev))
 867                 return 0;
 868
 869         /* Only support nway_reset for netdev with phy attached for now */
 870         if (!phy)
 871                 return -EOPNOTSUPP;
 872
 873         if (phy->autoneg != AUTONEG_ENABLE)
 874                 return -EINVAL;
 875
 876         return genphy_restart_aneg(phy);
 877 }
 878
 879 static void hns3_get_channels(struct net_device *netdev,
 880                               struct ethtool_channels *ch)
 881 {
 882         struct hnae3_handle *h = hns3_get_handle(netdev);
 883
 884         if (h->ae_algo->ops->get_channels)
 885                 h->ae_algo->ops->get_channels(h, ch);
 886 }
 887
 888 static const struct ethtool_ops hns3vf_ethtool_ops = {
 889         .get_drvinfo = hns3_get_drvinfo,
 890         .get_ringparam = hns3_get_ringparam,
 891         .set_ringparam = hns3_set_ringparam,
 892         .get_strings = hns3_get_strings,
 893         .get_ethtool_stats = hns3_get_stats,
 894         .get_sset_count = hns3_get_sset_count,
 895         .get_rxnfc = hns3_get_rxnfc,
 896         .get_rxfh_key_size = hns3_get_rss_key_size,
 897         .get_rxfh_indir_size = hns3_get_rss_indir_size,
 898         .get_rxfh = hns3_get_rss,
 899         .set_rxfh = hns3_set_rss,
 900         .get_link_ksettings = hns3_get_link_ksettings,
 901 };
 902
 903 static const struct ethtool_ops hns3_ethtool_ops = {
 904         .self_test = hns3_self_test,
 905         .get_drvinfo = hns3_get_drvinfo,
 906         .get_link = hns3_get_link,
 907         .get_ringparam = hns3_get_ringparam,
 908         .set_ringparam = hns3_set_ringparam,
 909         .get_pauseparam = hns3_get_pauseparam,
 910         .set_pauseparam = hns3_set_pauseparam,
 911         .get_strings = hns3_get_strings,
 912         .get_ethtool_stats = hns3_get_stats,
 913         .get_sset_count = hns3_get_sset_count,
 914         .get_rxnfc = hns3_get_rxnfc,
 915         .set_rxnfc = hns3_set_rxnfc,
 916         .get_rxfh_key_size = hns3_get_rss_key_size,
 917         .get_rxfh_indir_size = hns3_get_rss_indir_size,
 918         .get_rxfh = hns3_get_rss,
 919         .set_rxfh = hns3_set_rss,
 920         .get_link_ksettings = hns3_get_link_ksettings,
 921         .set_link_ksettings = hns3_set_link_ksettings,
 922         .nway_reset = hns3_nway_reset,
 923         .get_channels = hns3_get_channels,
 924         .set_channels = hns3_set_channels,
 925 };
 926
 927 void hns3_ethtool_set_ops(struct net_device *netdev)
 928 {
 929         struct hnae3_handle *h = hns3_get_handle(netdev);
 930
 931         if (h->flags & HNAE3_SUPPORT_VF)
 932                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
 933         else
 934                 netdev->ethtool_ops = &hns3_ethtool_ops;
 935 }