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 #include "hns3_ethtool.h"
  11
  12 /* tqp related stats */
  13 #define HNS3_TQP_STAT(_string, _member) {                       \
  14         .stats_string = _string,                                \
  15         .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
  16                         offsetof(struct ring_stats, _member),   \
  17 }
  18
  19 static const struct hns3_stats hns3_txq_stats[] = {
  20         /* Tx per-queue statistics */
  21         HNS3_TQP_STAT("dropped", sw_err_cnt),
  22         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  23         HNS3_TQP_STAT("packets", tx_pkts),
  24         HNS3_TQP_STAT("bytes", tx_bytes),
  25         HNS3_TQP_STAT("more", tx_more),
  26         HNS3_TQP_STAT("push", tx_push),
  27         HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell),
  28         HNS3_TQP_STAT("wake", restart_queue),
  29         HNS3_TQP_STAT("busy", tx_busy),
  30         HNS3_TQP_STAT("copy", tx_copy),
  31         HNS3_TQP_STAT("vlan_err", tx_vlan_err),
  32         HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
  33         HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
  34         HNS3_TQP_STAT("tso_err", tx_tso_err),
  35         HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
  36         HNS3_TQP_STAT("hw_limitation", hw_limitation),
  37         HNS3_TQP_STAT("bounce", tx_bounce),
  38         HNS3_TQP_STAT("spare_full", tx_spare_full),
  39         HNS3_TQP_STAT("copy_bits_err", copy_bits_err),
  40         HNS3_TQP_STAT("sgl", tx_sgl),
  41         HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err),
  42         HNS3_TQP_STAT("map_sg_err", map_sg_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("dropped", sw_err_cnt),
  50         HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
  51         HNS3_TQP_STAT("packets", rx_pkts),
  52         HNS3_TQP_STAT("bytes", rx_bytes),
  53         HNS3_TQP_STAT("errors", rx_err_cnt),
  54         HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
  55         HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
  56         HNS3_TQP_STAT("err_bd_num", err_bd_num),
  57         HNS3_TQP_STAT("l2_err", l2_err),
  58         HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
  59         HNS3_TQP_STAT("csum_complete", csum_complete),
  60         HNS3_TQP_STAT("multicast", rx_multicast),
  61         HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
  62         HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err),
  63         HNS3_TQP_STAT("frag_alloc", frag_alloc),
  64 };
  65
  66 #define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)
  67
  68 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
  69
  70 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
  71
  72 #define HNS3_SELF_TEST_TYPE_NUM         4
  73 #define HNS3_NIC_LB_TEST_PKT_NUM        1
  74 #define HNS3_NIC_LB_TEST_RING_ID        0
  75 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  76 #define HNS3_NIC_LB_SETUP_USEC          10000
  77
  78 /* Nic loopback test err  */
  79 #define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
  80 #define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
  81 #define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
  82
  83 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
  84 {
  85         struct hnae3_handle *h = hns3_get_handle(ndev);
  86         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
  87         int ret;
  88
  89         if (!h->ae_algo->ops->set_loopback ||
  90             !h->ae_algo->ops->set_promisc_mode)
  91                 return -EOPNOTSUPP;
  92
  93         switch (loop) {
  94         case HNAE3_LOOP_SERIAL_SERDES:
  95         case HNAE3_LOOP_PARALLEL_SERDES:
  96         case HNAE3_LOOP_APP:
  97         case HNAE3_LOOP_PHY:
  98                 ret = h->ae_algo->ops->set_loopback(h, loop, en);
  99                 break;
 100         default:
 101                 ret = -ENOTSUPP;
 102                 break;
 103         }
 104
 105         if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
 106                 return ret;
 107
 108         if (en)
 109                 h->ae_algo->ops->set_promisc_mode(h, true, true);
 110         else
 111                 /* recover promisc mode before loopback test */
 112                 hns3_request_update_promisc_mode(h);
 113
 114         return ret;
 115 }
 116
 117 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
 118 {
 119         struct hnae3_handle *h = hns3_get_handle(ndev);
 120         int ret;
 121
 122         ret = hns3_nic_reset_all_ring(h);
 123         if (ret)
 124                 return ret;
 125
 126         ret = hns3_lp_setup(ndev, loop_mode, true);
 127         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 128
 129         return ret;
 130 }
 131
 132 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
 133 {
 134         int ret;
 135
 136         ret = hns3_lp_setup(ndev, loop_mode, false);
 137         if (ret) {
 138                 netdev_err(ndev, "lb_setup return error: %d\n", ret);
 139                 return ret;
 140         }
 141
 142         usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
 143
 144         return 0;
 145 }
 146
 147 static void hns3_lp_setup_skb(struct sk_buff *skb)
 148 {
 149 #define HNS3_NIC_LB_DST_MAC_ADDR        0x1f
 150
 151         struct net_device *ndev = skb->dev;
 152         struct hnae3_handle *handle;
 153         struct hnae3_ae_dev *ae_dev;
 154         unsigned char *packet;
 155         struct ethhdr *ethh;
 156         unsigned int i;
 157
 158         skb_reserve(skb, NET_IP_ALIGN);
 159         ethh = skb_put(skb, sizeof(struct ethhdr));
 160         packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
 161
 162         memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
 163
 164         /* The dst mac addr of loopback packet is the same as the host'
 165          * mac addr, the SSU component may loop back the packet to host
 166          * before the packet reaches mac or serdes, which will defect
 167          * the purpose of mac or serdes selftest.
 168          */
 169         handle = hns3_get_handle(ndev);
 170         ae_dev = pci_get_drvdata(handle->pdev);
 171         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
 172                 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
 173         eth_zero_addr(ethh->h_source);
 174         ethh->h_proto = htons(ETH_P_ARP);
 175         skb_reset_mac_header(skb);
 176
 177         for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
 178                 packet[i] = (unsigned char)(i & 0xff);
 179 }
 180
 181 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
 182                                    struct sk_buff *skb)
 183 {
 184         struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
 185         unsigned char *packet = skb->data;
 186         u32 len = skb_headlen(skb);
 187         u32 i;
 188
 189         len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
 190
 191         for (i = 0; i < len; i++)
 192                 if (packet[i] != (unsigned char)(i & 0xff))
 193                         break;
 194
 195         /* The packet is correctly received */
 196         if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
 197                 tqp_vector->rx_group.total_packets++;
 198         else
 199                 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
 200                                skb->data, len, true);
 201
 202         dev_kfree_skb_any(skb);
 203 }
 204
 205 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
 206 {
 207         struct hnae3_handle *h = priv->ae_handle;
 208         struct hnae3_knic_private_info *kinfo;
 209         u32 i, rcv_good_pkt_total = 0;
 210
 211         kinfo = &h->kinfo;
 212         for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
 213                 struct hns3_enet_ring *ring = &priv->ring[i];
 214                 struct hns3_enet_ring_group *rx_group;
 215                 u64 pre_rx_pkt;
 216
 217                 rx_group = &ring->tqp_vector->rx_group;
 218                 pre_rx_pkt = rx_group->total_packets;
 219
 220                 preempt_disable();
 221                 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
 222                 preempt_enable();
 223
 224                 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
 225                 rx_group->total_packets = pre_rx_pkt;
 226         }
 227         return rcv_good_pkt_total;
 228 }
 229
 230 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
 231                                   u32 end_ringid, u32 budget)
 232 {
 233         u32 i;
 234
 235         for (i = start_ringid; i <= end_ringid; i++) {
 236                 struct hns3_enet_ring *ring = &priv->ring[i];
 237
 238                 hns3_clean_tx_ring(ring, 0);
 239         }
 240 }
 241
 242 /**
 243  * hns3_lp_run_test - run loopback test
 244  * @ndev: net device
 245  * @mode: loopback type
 246  *
 247  * Return: %0 for success or a NIC loopback test error code on failure
 248  */
 249 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
 250 {
 251         struct hns3_nic_priv *priv = netdev_priv(ndev);
 252         struct sk_buff *skb;
 253         u32 i, good_cnt;
 254         int ret_val = 0;
 255
 256         skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
 257                         GFP_KERNEL);
 258         if (!skb)
 259                 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
 260
 261         skb->dev = ndev;
 262         hns3_lp_setup_skb(skb);
 263         skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
 264
 265         good_cnt = 0;
 266         for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
 267                 netdev_tx_t tx_ret;
 268
 269                 skb_get(skb);
 270                 tx_ret = hns3_nic_net_xmit(skb, ndev);
 271                 if (tx_ret == NETDEV_TX_OK) {
 272                         good_cnt++;
 273                 } else {
 274                         kfree_skb(skb);
 275                         netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
 276                                    tx_ret);
 277                 }
 278         }
 279         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 280                 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
 281                 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
 282                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 283                 goto out;
 284         }
 285
 286         /* Allow 200 milliseconds for packets to go from Tx to Rx */
 287         msleep(200);
 288
 289         good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
 290         if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
 291                 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
 292                 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
 293                            mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
 294         }
 295
 296 out:
 297         hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
 298                               HNS3_NIC_LB_TEST_RING_ID,
 299                               HNS3_NIC_LB_TEST_PKT_NUM);
 300
 301         kfree_skb(skb);
 302         return ret_val;
 303 }
 304
 305 static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
 306 {
 307         st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
 308         st_param[HNAE3_LOOP_APP][1] =
 309                         h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
 310
 311         st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
 312         st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
 313                         h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 314
 315         st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
 316                         HNAE3_LOOP_PARALLEL_SERDES;
 317         st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
 318                         h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 319
 320         st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
 321         st_param[HNAE3_LOOP_PHY][1] =
 322                         h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
 323 }
 324
 325 static void hns3_selftest_prepare(struct net_device *ndev,
 326                                   bool if_running, int (*st_param)[2])
 327 {
 328         struct hns3_nic_priv *priv = netdev_priv(ndev);
 329         struct hnae3_handle *h = priv->ae_handle;
 330
 331         if (netif_msg_ifdown(h))
 332                 netdev_info(ndev, "self test start\n");
 333
 334         hns3_set_selftest_param(h, st_param);
 335
 336         if (if_running)
 337                 ndev->netdev_ops->ndo_stop(ndev);
 338
 339 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 340         /* Disable the vlan filter for selftest does not support it */
 341         if (h->ae_algo->ops->enable_vlan_filter &&
 342             ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
 343                 h->ae_algo->ops->enable_vlan_filter(h, false);
 344 #endif
 345
 346         /* Tell firmware to stop mac autoneg before loopback test start,
 347          * otherwise loopback test may be failed when the port is still
 348          * negotiating.
 349          */
 350         if (h->ae_algo->ops->halt_autoneg)
 351                 h->ae_algo->ops->halt_autoneg(h, true);
 352
 353         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 354 }
 355
 356 static void hns3_selftest_restore(struct net_device *ndev, bool if_running)
 357 {
 358         struct hns3_nic_priv *priv = netdev_priv(ndev);
 359         struct hnae3_handle *h = priv->ae_handle;
 360
 361         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 362
 363         if (h->ae_algo->ops->halt_autoneg)
 364                 h->ae_algo->ops->halt_autoneg(h, false);
 365
 366 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 367         if (h->ae_algo->ops->enable_vlan_filter &&
 368             ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
 369                 h->ae_algo->ops->enable_vlan_filter(h, true);
 370 #endif
 371
 372         if (if_running)
 373                 ndev->netdev_ops->ndo_open(ndev);
 374
 375         if (netif_msg_ifdown(h))
 376                 netdev_info(ndev, "self test end\n");
 377 }
 378
 379 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
 380                              struct ethtool_test *eth_test, u64 *data)
 381 {
 382         int test_index = 0;
 383         u32 i;
 384
 385         for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
 386                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 387
 388                 if (!st_param[i][1])
 389                         continue;
 390
 391                 data[test_index] = hns3_lp_up(ndev, loop_type);
 392                 if (!data[test_index])
 393                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 394
 395                 hns3_lp_down(ndev, loop_type);
 396
 397                 if (data[test_index])
 398                         eth_test->flags |= ETH_TEST_FL_FAILED;
 399
 400                 test_index++;
 401         }
 402 }
 403
 404 /**
 405  * hns3_self_test - self test
 406  * @ndev: net device
 407  * @eth_test: test cmd
 408  * @data: test result
 409  */
 410 static void hns3_self_test(struct net_device *ndev,
 411                            struct ethtool_test *eth_test, u64 *data)
 412 {
 413         int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
 414         bool if_running = netif_running(ndev);
 415
 416         if (hns3_nic_resetting(ndev)) {
 417                 netdev_err(ndev, "dev resetting!");
 418                 return;
 419         }
 420
 421         /* Only do offline selftest, or pass by default */
 422         if (eth_test->flags != ETH_TEST_FL_OFFLINE)
 423                 return;
 424
 425         hns3_selftest_prepare(ndev, if_running, st_param);
 426         hns3_do_selftest(ndev, st_param, eth_test, data);
 427         hns3_selftest_restore(ndev, if_running);
 428 }
 429
 430 static void hns3_update_limit_promisc_mode(struct net_device *netdev,
 431                                            bool enable)
 432 {
 433         struct hnae3_handle *handle = hns3_get_handle(netdev);
 434
 435         if (enable)
 436                 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
 437         else
 438                 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
 439
 440         hns3_request_update_promisc_mode(handle);
 441 }
 442
 443 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
 444         { "limit_promisc",      hns3_update_limit_promisc_mode }
 445 };
 446
 447 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 448 {
 449         struct hnae3_handle *h = hns3_get_handle(netdev);
 450         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 451
 452         if (!ops->get_sset_count)
 453                 return -EOPNOTSUPP;
 454
 455         switch (stringset) {
 456         case ETH_SS_STATS:
 457                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 458                         ops->get_sset_count(h, stringset));
 459
 460         case ETH_SS_TEST:
 461                 return ops->get_sset_count(h, stringset);
 462
 463         case ETH_SS_PRIV_FLAGS:
 464                 return HNAE3_PFLAG_MAX;
 465
 466         default:
 467                 return -EOPNOTSUPP;
 468         }
 469 }
 470
 471 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 472                 u32 stat_count, u32 num_tqps, const char *prefix)
 473 {
 474 #define MAX_PREFIX_SIZE (6 + 4)
 475         u32 size_left;
 476         u32 i, j;
 477         u32 n1;
 478
 479         for (i = 0; i < num_tqps; i++) {
 480                 for (j = 0; j < stat_count; j++) {
 481                         data[ETH_GSTRING_LEN - 1] = '\0';
 482
 483                         /* first, prepend the prefix string */
 484                         n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
 485                                        prefix, i);
 486                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 487
 488                         /* now, concatenate the stats string to it */
 489                         strncat(data, stats[j].stats_string, size_left);
 490                         data += ETH_GSTRING_LEN;
 491                 }
 492         }
 493
 494         return data;
 495 }
 496
 497 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 498 {
 499         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 500         const char tx_prefix[] = "txq";
 501         const char rx_prefix[] = "rxq";
 502
 503         /* get strings for Tx */
 504         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 505                                    kinfo->num_tqps, tx_prefix);
 506
 507         /* get strings for Rx */
 508         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 509                                    kinfo->num_tqps, rx_prefix);
 510
 511         return data;
 512 }
 513
 514 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 515 {
 516         struct hnae3_handle *h = hns3_get_handle(netdev);
 517         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 518         char *buff = (char *)data;
 519         int i;
 520
 521         if (!ops->get_strings)
 522                 return;
 523
 524         switch (stringset) {
 525         case ETH_SS_STATS:
 526                 buff = hns3_get_strings_tqps(h, buff);
 527                 ops->get_strings(h, stringset, (u8 *)buff);
 528                 break;
 529         case ETH_SS_TEST:
 530                 ops->get_strings(h, stringset, data);
 531                 break;
 532         case ETH_SS_PRIV_FLAGS:
 533                 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
 534                         snprintf(buff, ETH_GSTRING_LEN, "%s",
 535                                  hns3_priv_flags[i].name);
 536                         buff += ETH_GSTRING_LEN;
 537                 }
 538                 break;
 539         default:
 540                 break;
 541         }
 542 }
 543
 544 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 545 {
 546         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 547         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 548         struct hns3_enet_ring *ring;
 549         u8 *stat;
 550         int i, j;
 551
 552         /* get stats for Tx */
 553         for (i = 0; i < kinfo->num_tqps; i++) {
 554                 ring = &nic_priv->ring[i];
 555                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 556                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 557                         *data++ = *(u64 *)stat;
 558                 }
 559         }
 560
 561         /* get stats for Rx */
 562         for (i = 0; i < kinfo->num_tqps; i++) {
 563                 ring = &nic_priv->ring[i + kinfo->num_tqps];
 564                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 565                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 566                         *data++ = *(u64 *)stat;
 567                 }
 568         }
 569
 570         return data;
 571 }
 572
 573 /* hns3_get_stats - get detail statistics.
 574  * @netdev: net device
 575  * @stats: statistics info.
 576  * @data: statistics data.
 577  */
 578 static void hns3_get_stats(struct net_device *netdev,
 579                            struct ethtool_stats *stats, u64 *data)
 580 {
 581         struct hnae3_handle *h = hns3_get_handle(netdev);
 582         u64 *p = data;
 583
 584         if (hns3_nic_resetting(netdev)) {
 585                 netdev_err(netdev, "dev resetting, could not get stats\n");
 586                 return;
 587         }
 588
 589         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 590                 netdev_err(netdev, "could not get any statistics\n");
 591                 return;
 592         }
 593
 594         h->ae_algo->ops->update_stats(h, &netdev->stats);
 595
 596         /* get per-queue stats */
 597         p = hns3_get_stats_tqps(h, p);
 598
 599         /* get MAC & other misc hardware stats */
 600         h->ae_algo->ops->get_stats(h, p);
 601 }
 602
 603 static void hns3_get_drvinfo(struct net_device *netdev,
 604                              struct ethtool_drvinfo *drvinfo)
 605 {
 606         struct hns3_nic_priv *priv = netdev_priv(netdev);
 607         struct hnae3_handle *h = priv->ae_handle;
 608         u32 fw_version;
 609
 610         if (!h->ae_algo->ops->get_fw_version) {
 611                 netdev_err(netdev, "could not get fw version!\n");
 612                 return;
 613         }
 614
 615         strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
 616                 sizeof(drvinfo->driver));
 617         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 618
 619         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 620                 sizeof(drvinfo->bus_info));
 621         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 622
 623         fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
 624
 625         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 626                  "%lu.%lu.%lu.%lu",
 627                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
 628                                  HNAE3_FW_VERSION_BYTE3_SHIFT),
 629                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
 630                                  HNAE3_FW_VERSION_BYTE2_SHIFT),
 631                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
 632                                  HNAE3_FW_VERSION_BYTE1_SHIFT),
 633                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
 634                                  HNAE3_FW_VERSION_BYTE0_SHIFT));
 635 }
 636
 637 static u32 hns3_get_link(struct net_device *netdev)
 638 {
 639         struct hnae3_handle *h = hns3_get_handle(netdev);
 640
 641         if (h->ae_algo->ops->get_status)
 642                 return h->ae_algo->ops->get_status(h);
 643         else
 644                 return 0;
 645 }
 646
 647 static void hns3_get_ringparam(struct net_device *netdev,
 648                                struct ethtool_ringparam *param,
 649                                struct kernel_ethtool_ringparam *kernel_param,
 650                                struct netlink_ext_ack *extack)
 651 {
 652         struct hns3_nic_priv *priv = netdev_priv(netdev);
 653         struct hnae3_handle *h = priv->ae_handle;
 654         int rx_queue_index = h->kinfo.num_tqps;
 655
 656         if (hns3_nic_resetting(netdev) || !priv->ring) {
 657                 netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
 658                 return;
 659         }
 660
 661         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 662         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 663
 664         param->tx_pending = priv->ring[0].desc_num;
 665         param->rx_pending = priv->ring[rx_queue_index].desc_num;
 666         kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
 667         kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE,
 668                                          &priv->state);
 669 }
 670
 671 static void hns3_get_pauseparam(struct net_device *netdev,
 672                                 struct ethtool_pauseparam *param)
 673 {
 674         struct hnae3_handle *h = hns3_get_handle(netdev);
 675         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 676
 677         if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
 678                 return;
 679
 680         if (h->ae_algo->ops->get_pauseparam)
 681                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 682                         &param->rx_pause, &param->tx_pause);
 683 }
 684
 685 static int hns3_set_pauseparam(struct net_device *netdev,
 686                                struct ethtool_pauseparam *param)
 687 {
 688         struct hnae3_handle *h = hns3_get_handle(netdev);
 689         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 690
 691         if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
 692                 return -EOPNOTSUPP;
 693
 694         netif_dbg(h, drv, netdev,
 695                   "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
 696                   param->autoneg, param->rx_pause, param->tx_pause);
 697
 698         if (h->ae_algo->ops->set_pauseparam)
 699                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 700                                                        param->rx_pause,
 701                                                        param->tx_pause);
 702         return -EOPNOTSUPP;
 703 }
 704
 705 static void hns3_get_ksettings(struct hnae3_handle *h,
 706                                struct ethtool_link_ksettings *cmd)
 707 {
 708         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 709
 710         /* 1.auto_neg & speed & duplex from cmd */
 711         if (ops->get_ksettings_an_result)
 712                 ops->get_ksettings_an_result(h,
 713                                              &cmd->base.autoneg,
 714                                              &cmd->base.speed,
 715                                              &cmd->base.duplex);
 716
 717         /* 2.get link mode */
 718         if (ops->get_link_mode)
 719                 ops->get_link_mode(h,
 720                                    cmd->link_modes.supported,
 721                                    cmd->link_modes.advertising);
 722
 723         /* 3.mdix_ctrl&mdix get from phy reg */
 724         if (ops->get_mdix_mode)
 725                 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 726                                    &cmd->base.eth_tp_mdix);
 727 }
 728
 729 static int hns3_get_link_ksettings(struct net_device *netdev,
 730                                    struct ethtool_link_ksettings *cmd)
 731 {
 732         struct hnae3_handle *h = hns3_get_handle(netdev);
 733         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 734         const struct hnae3_ae_ops *ops;
 735         u8 module_type;
 736         u8 media_type;
 737         u8 link_stat;
 738
 739         ops = h->ae_algo->ops;
 740         if (ops->get_media_type)
 741                 ops->get_media_type(h, &media_type, &module_type);
 742         else
 743                 return -EOPNOTSUPP;
 744
 745         switch (media_type) {
 746         case HNAE3_MEDIA_TYPE_NONE:
 747                 cmd->base.port = PORT_NONE;
 748                 hns3_get_ksettings(h, cmd);
 749                 break;
 750         case HNAE3_MEDIA_TYPE_FIBER:
 751                 if (module_type == HNAE3_MODULE_TYPE_CR)
 752                         cmd->base.port = PORT_DA;
 753                 else
 754                         cmd->base.port = PORT_FIBRE;
 755
 756                 hns3_get_ksettings(h, cmd);
 757                 break;
 758         case HNAE3_MEDIA_TYPE_BACKPLANE:
 759                 cmd->base.port = PORT_NONE;
 760                 hns3_get_ksettings(h, cmd);
 761                 break;
 762         case HNAE3_MEDIA_TYPE_COPPER:
 763                 cmd->base.port = PORT_TP;
 764                 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
 765                     ops->get_phy_link_ksettings)
 766                         ops->get_phy_link_ksettings(h, cmd);
 767                 else if (!netdev->phydev)
 768                         hns3_get_ksettings(h, cmd);
 769                 else
 770                         phy_ethtool_ksettings_get(netdev->phydev, cmd);
 771                 break;
 772         default:
 773
 774                 netdev_warn(netdev, "Unknown media type");
 775                 return 0;
 776         }
 777
 778         /* mdio_support */
 779         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 780
 781         link_stat = hns3_get_link(netdev);
 782         if (!link_stat) {
 783                 cmd->base.speed = SPEED_UNKNOWN;
 784                 cmd->base.duplex = DUPLEX_UNKNOWN;
 785         }
 786
 787         return 0;
 788 }
 789
 790 static int hns3_check_ksettings_param(const struct net_device *netdev,
 791                                       const struct ethtool_link_ksettings *cmd)
 792 {
 793         struct hnae3_handle *handle = hns3_get_handle(netdev);
 794         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 795         u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
 796         u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
 797         u8 autoneg;
 798         u32 speed;
 799         u8 duplex;
 800         int ret;
 801
 802         /* hw doesn't support use specified speed and duplex to negotiate,
 803          * unnecessary to check them when autoneg on.
 804          */
 805         if (cmd->base.autoneg)
 806                 return 0;
 807
 808         if (ops->get_ksettings_an_result) {
 809                 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
 810                 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
 811                     cmd->base.duplex == duplex)
 812                         return 0;
 813         }
 814
 815         if (ops->get_media_type)
 816                 ops->get_media_type(handle, &media_type, &module_type);
 817
 818         if (cmd->base.duplex == DUPLEX_HALF &&
 819             media_type != HNAE3_MEDIA_TYPE_COPPER) {
 820                 netdev_err(netdev,
 821                            "only copper port supports half duplex!");
 822                 return -EINVAL;
 823         }
 824
 825         if (ops->check_port_speed) {
 826                 ret = ops->check_port_speed(handle, cmd->base.speed);
 827                 if (ret) {
 828                         netdev_err(netdev, "unsupported speed\n");
 829                         return ret;
 830                 }
 831         }
 832
 833         return 0;
 834 }
 835
 836 static int hns3_set_link_ksettings(struct net_device *netdev,
 837                                    const struct ethtool_link_ksettings *cmd)
 838 {
 839         struct hnae3_handle *handle = hns3_get_handle(netdev);
 840         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
 841         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 842         int ret;
 843
 844         /* Chip don't support this mode. */
 845         if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 846                 return -EINVAL;
 847
 848         netif_dbg(handle, drv, netdev,
 849                   "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
 850                   netdev->phydev ? "phy" : "mac",
 851                   cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
 852
 853         /* Only support ksettings_set for netdev with phy attached for now */
 854         if (netdev->phydev) {
 855                 if (cmd->base.speed == SPEED_1000 &&
 856                     cmd->base.autoneg == AUTONEG_DISABLE)
 857                         return -EINVAL;
 858
 859                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 860         } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
 861                    ops->set_phy_link_ksettings) {
 862                 return ops->set_phy_link_ksettings(handle, cmd);
 863         }
 864
 865         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
 866                 return -EOPNOTSUPP;
 867
 868         ret = hns3_check_ksettings_param(netdev, cmd);
 869         if (ret)
 870                 return ret;
 871
 872         if (ops->set_autoneg) {
 873                 ret = ops->set_autoneg(handle, cmd->base.autoneg);
 874                 if (ret)
 875                         return ret;
 876         }
 877
 878         /* hw doesn't support use specified speed and duplex to negotiate,
 879          * ignore them when autoneg on.
 880          */
 881         if (cmd->base.autoneg) {
 882                 netdev_info(netdev,
 883                             "autoneg is on, ignore the speed and duplex\n");
 884                 return 0;
 885         }
 886
 887         if (ops->cfg_mac_speed_dup_h)
 888                 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
 889                                                cmd->base.duplex);
 890
 891         return ret;
 892 }
 893
 894 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 895 {
 896         struct hnae3_handle *h = hns3_get_handle(netdev);
 897
 898         if (!h->ae_algo->ops->get_rss_key_size)
 899                 return 0;
 900
 901         return h->ae_algo->ops->get_rss_key_size(h);
 902 }
 903
 904 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 905 {
 906         struct hnae3_handle *h = hns3_get_handle(netdev);
 907         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 908
 909         return ae_dev->dev_specs.rss_ind_tbl_size;
 910 }
 911
 912 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 913                         u8 *hfunc)
 914 {
 915         struct hnae3_handle *h = hns3_get_handle(netdev);
 916
 917         if (!h->ae_algo->ops->get_rss)
 918                 return -EOPNOTSUPP;
 919
 920         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 921 }
 922
 923 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 924                         const u8 *key, const u8 hfunc)
 925 {
 926         struct hnae3_handle *h = hns3_get_handle(netdev);
 927         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 928
 929         if (!h->ae_algo->ops->set_rss)
 930                 return -EOPNOTSUPP;
 931
 932         if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
 933              hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 934              hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
 935                 netdev_err(netdev, "hash func not supported\n");
 936                 return -EOPNOTSUPP;
 937         }
 938
 939         if (!indir) {
 940                 netdev_err(netdev,
 941                            "set rss failed for indir is empty\n");
 942                 return -EOPNOTSUPP;
 943         }
 944
 945         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 946 }
 947
 948 static int hns3_get_rxnfc(struct net_device *netdev,
 949                           struct ethtool_rxnfc *cmd,
 950                           u32 *rule_locs)
 951 {
 952         struct hnae3_handle *h = hns3_get_handle(netdev);
 953
 954         switch (cmd->cmd) {
 955         case ETHTOOL_GRXRINGS:
 956                 cmd->data = h->kinfo.num_tqps;
 957                 return 0;
 958         case ETHTOOL_GRXFH:
 959                 if (h->ae_algo->ops->get_rss_tuple)
 960                         return h->ae_algo->ops->get_rss_tuple(h, cmd);
 961                 return -EOPNOTSUPP;
 962         case ETHTOOL_GRXCLSRLCNT:
 963                 if (h->ae_algo->ops->get_fd_rule_cnt)
 964                         return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
 965                 return -EOPNOTSUPP;
 966         case ETHTOOL_GRXCLSRULE:
 967                 if (h->ae_algo->ops->get_fd_rule_info)
 968                         return h->ae_algo->ops->get_fd_rule_info(h, cmd);
 969                 return -EOPNOTSUPP;
 970         case ETHTOOL_GRXCLSRLALL:
 971                 if (h->ae_algo->ops->get_fd_all_rules)
 972                         return h->ae_algo->ops->get_fd_all_rules(h, cmd,
 973                                                                  rule_locs);
 974                 return -EOPNOTSUPP;
 975         default:
 976                 return -EOPNOTSUPP;
 977         }
 978 }
 979
 980 static const struct hns3_reset_type_map hns3_reset_type[] = {
 981         {ETH_RESET_MGMT, HNAE3_IMP_RESET},
 982         {ETH_RESET_ALL, HNAE3_GLOBAL_RESET},
 983         {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET},
 984 };
 985
 986 static const struct hns3_reset_type_map hns3vf_reset_type[] = {
 987         {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET},
 988 };
 989
 990 static int hns3_set_reset(struct net_device *netdev, u32 *flags)
 991 {
 992         enum hnae3_reset_type rst_type = HNAE3_NONE_RESET;
 993         struct hnae3_handle *h = hns3_get_handle(netdev);
 994         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 995         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 996         const struct hns3_reset_type_map *rst_type_map;
 997         enum ethtool_reset_flags rst_flags;
 998         u32 i, size;
 999
1000         if (ops->ae_dev_resetting && ops->ae_dev_resetting(h))
1001                 return -EBUSY;
1002
1003         if (!ops->set_default_reset_request || !ops->reset_event)
1004                 return -EOPNOTSUPP;
1005
1006         if (h->flags & HNAE3_SUPPORT_VF) {
1007                 rst_type_map = hns3vf_reset_type;
1008                 size = ARRAY_SIZE(hns3vf_reset_type);
1009         } else {
1010                 rst_type_map = hns3_reset_type;
1011                 size = ARRAY_SIZE(hns3_reset_type);
1012         }
1013
1014         for (i = 0; i < size; i++) {
1015                 if (rst_type_map[i].rst_flags == *flags) {
1016                         rst_type = rst_type_map[i].rst_type;
1017                         rst_flags = rst_type_map[i].rst_flags;
1018                         break;
1019                 }
1020         }
1021
1022         if (rst_type == HNAE3_NONE_RESET ||
1023             (rst_type == HNAE3_IMP_RESET &&
1024              ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2))
1025                 return -EOPNOTSUPP;
1026
1027         netdev_info(netdev, "Setting reset type %d\n", rst_type);
1028
1029         ops->set_default_reset_request(ae_dev, rst_type);
1030
1031         ops->reset_event(h->pdev, h);
1032
1033         *flags &= ~rst_flags;
1034
1035         return 0;
1036 }
1037
1038 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
1039                                         u32 tx_desc_num, u32 rx_desc_num)
1040 {
1041         struct hnae3_handle *h = priv->ae_handle;
1042         int i;
1043
1044         h->kinfo.num_tx_desc = tx_desc_num;
1045         h->kinfo.num_rx_desc = rx_desc_num;
1046
1047         for (i = 0; i < h->kinfo.num_tqps; i++) {
1048                 priv->ring[i].desc_num = tx_desc_num;
1049                 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
1050         }
1051 }
1052
1053 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
1054 {
1055         struct hnae3_handle *handle = priv->ae_handle;
1056         struct hns3_enet_ring *tmp_rings;
1057         int i;
1058
1059         tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
1060                             sizeof(struct hns3_enet_ring), GFP_KERNEL);
1061         if (!tmp_rings)
1062                 return NULL;
1063
1064         for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
1065                 memcpy(&tmp_rings[i], &priv->ring[i],
1066                        sizeof(struct hns3_enet_ring));
1067                 tmp_rings[i].skb = NULL;
1068         }
1069
1070         return tmp_rings;
1071 }
1072
1073 static int hns3_check_ringparam(struct net_device *ndev,
1074                                 struct ethtool_ringparam *param,
1075                                 struct kernel_ethtool_ringparam *kernel_param)
1076 {
1077 #define RX_BUF_LEN_2K 2048
1078 #define RX_BUF_LEN_4K 4096
1079
1080         struct hns3_nic_priv *priv = netdev_priv(ndev);
1081
1082         if (hns3_nic_resetting(ndev) || !priv->ring) {
1083                 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n");
1084                 return -EBUSY;
1085         }
1086
1087
1088         if (param->rx_mini_pending || param->rx_jumbo_pending)
1089                 return -EINVAL;
1090
1091         if (kernel_param->rx_buf_len != RX_BUF_LEN_2K &&
1092             kernel_param->rx_buf_len != RX_BUF_LEN_4K) {
1093                 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n");
1094                 return -EINVAL;
1095         }
1096
1097         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
1098             param->tx_pending < HNS3_RING_MIN_PENDING ||
1099             param->rx_pending > HNS3_RING_MAX_PENDING ||
1100             param->rx_pending < HNS3_RING_MIN_PENDING) {
1101                 netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
1102                            HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
1103                 return -EINVAL;
1104         }
1105
1106         return 0;
1107 }
1108
1109 static bool
1110 hns3_is_ringparam_changed(struct net_device *ndev,
1111                           struct ethtool_ringparam *param,
1112                           struct kernel_ethtool_ringparam *kernel_param,
1113                           struct hns3_ring_param *old_ringparam,
1114                           struct hns3_ring_param *new_ringparam)
1115 {
1116         struct hns3_nic_priv *priv = netdev_priv(ndev);
1117         struct hnae3_handle *h = priv->ae_handle;
1118         u16 queue_num = h->kinfo.num_tqps;
1119
1120         new_ringparam->tx_desc_num = ALIGN(param->tx_pending,
1121                                            HNS3_RING_BD_MULTIPLE);
1122         new_ringparam->rx_desc_num = ALIGN(param->rx_pending,
1123                                            HNS3_RING_BD_MULTIPLE);
1124         old_ringparam->tx_desc_num = priv->ring[0].desc_num;
1125         old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num;
1126         old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size;
1127         new_ringparam->rx_buf_len = kernel_param->rx_buf_len;
1128
1129         if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num &&
1130             old_ringparam->rx_desc_num == new_ringparam->rx_desc_num &&
1131             old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) {
1132                 netdev_info(ndev, "descriptor number and rx buffer length not changed\n");
1133                 return false;
1134         }
1135
1136         return true;
1137 }
1138
1139 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len)
1140 {
1141         struct hns3_nic_priv *priv = netdev_priv(ndev);
1142         struct hnae3_handle *h = priv->ae_handle;
1143         int i;
1144
1145         h->kinfo.rx_buf_len = rx_buf_len;
1146
1147         for (i = 0; i < h->kinfo.num_tqps; i++) {
1148                 h->kinfo.tqp[i]->buf_size = rx_buf_len;
1149                 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len;
1150         }
1151
1152         return 0;
1153 }
1154
1155 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push)
1156 {
1157         struct hns3_nic_priv *priv = netdev_priv(netdev);
1158         struct hnae3_handle *h = hns3_get_handle(netdev);
1159         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
1160         u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1161
1162         if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push)
1163                 return -EOPNOTSUPP;
1164
1165         if (tx_push == old_state)
1166                 return 0;
1167
1168         netdev_dbg(netdev, "Changing tx push from %s to %s\n",
1169                    old_state ? "on" : "off", tx_push ? "on" : "off");
1170
1171         if (tx_push)
1172                 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1173         else
1174                 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1175
1176         return 0;
1177 }
1178
1179 static int hns3_set_ringparam(struct net_device *ndev,
1180                               struct ethtool_ringparam *param,
1181                               struct kernel_ethtool_ringparam *kernel_param,
1182                               struct netlink_ext_ack *extack)
1183 {
1184         struct hns3_ring_param old_ringparam, new_ringparam;
1185         struct hns3_nic_priv *priv = netdev_priv(ndev);
1186         struct hnae3_handle *h = priv->ae_handle;
1187         struct hns3_enet_ring *tmp_rings;
1188         bool if_running = netif_running(ndev);
1189         int ret, i;
1190
1191         ret = hns3_check_ringparam(ndev, param, kernel_param);
1192         if (ret)
1193                 return ret;
1194
1195         ret = hns3_set_tx_push(ndev, kernel_param->tx_push);
1196         if (ret)
1197                 return ret;
1198
1199         if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
1200                                        &old_ringparam, &new_ringparam))
1201                 return 0;
1202
1203         tmp_rings = hns3_backup_ringparam(priv);
1204         if (!tmp_rings) {
1205                 netdev_err(ndev, "backup ring param failed by allocating memory fail\n");
1206                 return -ENOMEM;
1207         }
1208
1209         netdev_info(ndev,
1210                     "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n",
1211                     old_ringparam.tx_desc_num, old_ringparam.rx_desc_num,
1212                     new_ringparam.tx_desc_num, new_ringparam.rx_desc_num,
1213                     old_ringparam.rx_buf_len, new_ringparam.rx_buf_len);
1214
1215         if (if_running)
1216                 ndev->netdev_ops->ndo_stop(ndev);
1217
1218         hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num,
1219                                     new_ringparam.rx_desc_num);
1220         hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len);
1221         ret = hns3_init_all_ring(priv);
1222         if (ret) {
1223                 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
1224                            ret);
1225
1226                 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len);
1227                 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num,
1228                                             old_ringparam.rx_desc_num);
1229                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1230                         memcpy(&priv->ring[i], &tmp_rings[i],
1231                                sizeof(struct hns3_enet_ring));
1232         } else {
1233                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1234                         hns3_fini_ring(&tmp_rings[i]);
1235         }
1236
1237         kfree(tmp_rings);
1238
1239         if (if_running)
1240                 ret = ndev->netdev_ops->ndo_open(ndev);
1241
1242         return ret;
1243 }
1244
1245 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1246 {
1247         struct hnae3_handle *h = hns3_get_handle(netdev);
1248
1249         switch (cmd->cmd) {
1250         case ETHTOOL_SRXFH:
1251                 if (h->ae_algo->ops->set_rss_tuple)
1252                         return h->ae_algo->ops->set_rss_tuple(h, cmd);
1253                 return -EOPNOTSUPP;
1254         case ETHTOOL_SRXCLSRLINS:
1255                 if (h->ae_algo->ops->add_fd_entry)
1256                         return h->ae_algo->ops->add_fd_entry(h, cmd);
1257                 return -EOPNOTSUPP;
1258         case ETHTOOL_SRXCLSRLDEL:
1259                 if (h->ae_algo->ops->del_fd_entry)
1260                         return h->ae_algo->ops->del_fd_entry(h, cmd);
1261                 return -EOPNOTSUPP;
1262         default:
1263                 return -EOPNOTSUPP;
1264         }
1265 }
1266
1267 static int hns3_nway_reset(struct net_device *netdev)
1268 {
1269         struct hnae3_handle *handle = hns3_get_handle(netdev);
1270         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1271         struct phy_device *phy = netdev->phydev;
1272         int autoneg;
1273
1274         if (!netif_running(netdev))
1275                 return 0;
1276
1277         if (hns3_nic_resetting(netdev)) {
1278                 netdev_err(netdev, "dev resetting!");
1279                 return -EBUSY;
1280         }
1281
1282         if (!ops->get_autoneg || !ops->restart_autoneg)
1283                 return -EOPNOTSUPP;
1284
1285         autoneg = ops->get_autoneg(handle);
1286         if (autoneg != AUTONEG_ENABLE) {
1287                 netdev_err(netdev,
1288                            "Autoneg is off, don't support to restart it\n");
1289                 return -EINVAL;
1290         }
1291
1292         netif_dbg(handle, drv, netdev,
1293                   "nway reset (using %s)\n", phy ? "phy" : "mac");
1294
1295         if (phy)
1296                 return genphy_restart_aneg(phy);
1297
1298         return ops->restart_autoneg(handle);
1299 }
1300
1301 static void hns3_get_channels(struct net_device *netdev,
1302                               struct ethtool_channels *ch)
1303 {
1304         struct hnae3_handle *h = hns3_get_handle(netdev);
1305
1306         if (h->ae_algo->ops->get_channels)
1307                 h->ae_algo->ops->get_channels(h, ch);
1308 }
1309
1310 static int hns3_get_coalesce(struct net_device *netdev,
1311                              struct ethtool_coalesce *cmd,
1312                              struct kernel_ethtool_coalesce *kernel_coal,
1313                              struct netlink_ext_ack *extack)
1314 {
1315         struct hns3_nic_priv *priv = netdev_priv(netdev);
1316         struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
1317         struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1318         struct hnae3_handle *h = priv->ae_handle;
1319
1320         if (hns3_nic_resetting(netdev))
1321                 return -EBUSY;
1322
1323         cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
1324         cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
1325
1326         cmd->tx_coalesce_usecs = tx_coal->int_gl;
1327         cmd->rx_coalesce_usecs = rx_coal->int_gl;
1328
1329         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1330         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1331
1332         cmd->tx_max_coalesced_frames = tx_coal->int_ql;
1333         cmd->rx_max_coalesced_frames = rx_coal->int_ql;
1334
1335         kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode ==
1336                                         DIM_CQ_PERIOD_MODE_START_FROM_CQE);
1337         kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode ==
1338                                         DIM_CQ_PERIOD_MODE_START_FROM_CQE);
1339
1340         return 0;
1341 }
1342
1343 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1344                                        struct ethtool_coalesce *cmd)
1345 {
1346         struct hnae3_handle *handle = hns3_get_handle(netdev);
1347         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1348         u32 rx_gl, tx_gl;
1349
1350         if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1351                 netdev_err(netdev,
1352                            "invalid rx-usecs value, rx-usecs range is 0-%u\n",
1353                            ae_dev->dev_specs.max_int_gl);
1354                 return -EINVAL;
1355         }
1356
1357         if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1358                 netdev_err(netdev,
1359                            "invalid tx-usecs value, tx-usecs range is 0-%u\n",
1360                            ae_dev->dev_specs.max_int_gl);
1361                 return -EINVAL;
1362         }
1363
1364         /* device version above V3(include V3), GL uses 1us unit,
1365          * so the round down is not needed.
1366          */
1367         if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
1368                 return 0;
1369
1370         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1371         if (rx_gl != cmd->rx_coalesce_usecs) {
1372                 netdev_info(netdev,
1373                             "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1374                             cmd->rx_coalesce_usecs, rx_gl);
1375         }
1376
1377         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1378         if (tx_gl != cmd->tx_coalesce_usecs) {
1379                 netdev_info(netdev,
1380                             "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1381                             cmd->tx_coalesce_usecs, tx_gl);
1382         }
1383
1384         return 0;
1385 }
1386
1387 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1388                                        struct ethtool_coalesce *cmd)
1389 {
1390         u32 rl;
1391
1392         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1393                 netdev_err(netdev,
1394                            "tx_usecs_high must be same as rx_usecs_high.\n");
1395                 return -EINVAL;
1396         }
1397
1398         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1399                 netdev_err(netdev,
1400                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
1401                            HNS3_INT_RL_MAX);
1402                 return -EINVAL;
1403         }
1404
1405         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1406         if (rl != cmd->rx_coalesce_usecs_high) {
1407                 netdev_info(netdev,
1408                             "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1409                             cmd->rx_coalesce_usecs_high, rl);
1410         }
1411
1412         return 0;
1413 }
1414
1415 static int hns3_check_ql_coalesce_param(struct net_device *netdev,
1416                                         struct ethtool_coalesce *cmd)
1417 {
1418         struct hnae3_handle *handle = hns3_get_handle(netdev);
1419         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1420
1421         if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
1422             !ae_dev->dev_specs.int_ql_max) {
1423                 netdev_err(netdev, "coalesced frames is not supported\n");
1424                 return -EOPNOTSUPP;
1425         }
1426
1427         if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
1428             cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
1429                 netdev_err(netdev,
1430                            "invalid coalesced_frames value, range is 0-%u\n",
1431                            ae_dev->dev_specs.int_ql_max);
1432                 return -ERANGE;
1433         }
1434
1435         return 0;
1436 }
1437
1438 static int
1439 hns3_check_cqe_coalesce_param(struct net_device *netdev,
1440                               struct kernel_ethtool_coalesce *kernel_coal)
1441 {
1442         struct hnae3_handle *handle = hns3_get_handle(netdev);
1443         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1444
1445         if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) &&
1446             !hnae3_ae_dev_cq_supported(ae_dev)) {
1447                 netdev_err(netdev, "coalesced cqe mode is not supported\n");
1448                 return -EOPNOTSUPP;
1449         }
1450
1451         return 0;
1452 }
1453
1454 static int
1455 hns3_check_coalesce_para(struct net_device *netdev,
1456                          struct ethtool_coalesce *cmd,
1457                          struct kernel_ethtool_coalesce *kernel_coal)
1458 {
1459         int ret;
1460
1461         ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
1462         if (ret)
1463                 return ret;
1464
1465         ret = hns3_check_gl_coalesce_para(netdev, cmd);
1466         if (ret) {
1467                 netdev_err(netdev,
1468                            "Check gl coalesce param fail. ret = %d\n", ret);
1469                 return ret;
1470         }
1471
1472         ret = hns3_check_rl_coalesce_para(netdev, cmd);
1473         if (ret) {
1474                 netdev_err(netdev,
1475                            "Check rl coalesce param fail. ret = %d\n", ret);
1476                 return ret;
1477         }
1478
1479         return hns3_check_ql_coalesce_param(netdev, cmd);
1480 }
1481
1482 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1483                                         struct ethtool_coalesce *cmd,
1484                                         u32 queue)
1485 {
1486         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1487         struct hns3_nic_priv *priv = netdev_priv(netdev);
1488         struct hnae3_handle *h = priv->ae_handle;
1489         int queue_num = h->kinfo.num_tqps;
1490
1491         tx_vector = priv->ring[queue].tqp_vector;
1492         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1493
1494         tx_vector->tx_group.coal.adapt_enable =
1495                                 cmd->use_adaptive_tx_coalesce;
1496         rx_vector->rx_group.coal.adapt_enable =
1497                                 cmd->use_adaptive_rx_coalesce;
1498
1499         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1500         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1501
1502         tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
1503         rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
1504
1505         hns3_set_vector_coalesce_tx_gl(tx_vector,
1506                                        tx_vector->tx_group.coal.int_gl);
1507         hns3_set_vector_coalesce_rx_gl(rx_vector,
1508                                        rx_vector->rx_group.coal.int_gl);
1509
1510         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1511         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1512
1513         if (tx_vector->tx_group.coal.ql_enable)
1514                 hns3_set_vector_coalesce_tx_ql(tx_vector,
1515                                                tx_vector->tx_group.coal.int_ql);
1516         if (rx_vector->rx_group.coal.ql_enable)
1517                 hns3_set_vector_coalesce_rx_ql(rx_vector,
1518                                                rx_vector->rx_group.coal.int_ql);
1519 }
1520
1521 static int hns3_set_coalesce(struct net_device *netdev,
1522                              struct ethtool_coalesce *cmd,
1523                              struct kernel_ethtool_coalesce *kernel_coal,
1524                              struct netlink_ext_ack *extack)
1525 {
1526         struct hnae3_handle *h = hns3_get_handle(netdev);
1527         struct hns3_nic_priv *priv = netdev_priv(netdev);
1528         struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
1529         struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1530         u16 queue_num = h->kinfo.num_tqps;
1531         enum dim_cq_period_mode tx_mode;
1532         enum dim_cq_period_mode rx_mode;
1533         int ret;
1534         int i;
1535
1536         if (hns3_nic_resetting(netdev))
1537                 return -EBUSY;
1538
1539         ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
1540         if (ret)
1541                 return ret;
1542
1543         h->kinfo.int_rl_setting =
1544                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1545
1546         tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce;
1547         rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce;
1548
1549         tx_coal->int_gl = cmd->tx_coalesce_usecs;
1550         rx_coal->int_gl = cmd->rx_coalesce_usecs;
1551
1552         tx_coal->int_ql = cmd->tx_max_coalesced_frames;
1553         rx_coal->int_ql = cmd->rx_max_coalesced_frames;
1554
1555         for (i = 0; i < queue_num; i++)
1556                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1557
1558         tx_mode = kernel_coal->use_cqe_mode_tx ?
1559                   DIM_CQ_PERIOD_MODE_START_FROM_CQE :
1560                   DIM_CQ_PERIOD_MODE_START_FROM_EQE;
1561         rx_mode = kernel_coal->use_cqe_mode_rx ?
1562                   DIM_CQ_PERIOD_MODE_START_FROM_CQE :
1563                   DIM_CQ_PERIOD_MODE_START_FROM_EQE;
1564         hns3_cq_period_mode_init(priv, tx_mode, rx_mode);
1565
1566         return 0;
1567 }
1568
1569 static int hns3_get_regs_len(struct net_device *netdev)
1570 {
1571         struct hnae3_handle *h = hns3_get_handle(netdev);
1572
1573         if (!h->ae_algo->ops->get_regs_len)
1574                 return -EOPNOTSUPP;
1575
1576         return h->ae_algo->ops->get_regs_len(h);
1577 }
1578
1579 static void hns3_get_regs(struct net_device *netdev,
1580                           struct ethtool_regs *cmd, void *data)
1581 {
1582         struct hnae3_handle *h = hns3_get_handle(netdev);
1583
1584         if (!h->ae_algo->ops->get_regs)
1585                 return;
1586
1587         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1588 }
1589
1590 static int hns3_set_phys_id(struct net_device *netdev,
1591                             enum ethtool_phys_id_state state)
1592 {
1593         struct hnae3_handle *h = hns3_get_handle(netdev);
1594
1595         if (!h->ae_algo->ops->set_led_id)
1596                 return -EOPNOTSUPP;
1597
1598         return h->ae_algo->ops->set_led_id(h, state);
1599 }
1600
1601 static u32 hns3_get_msglevel(struct net_device *netdev)
1602 {
1603         struct hnae3_handle *h = hns3_get_handle(netdev);
1604
1605         return h->msg_enable;
1606 }
1607
1608 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1609 {
1610         struct hnae3_handle *h = hns3_get_handle(netdev);
1611
1612         h->msg_enable = msg_level;
1613 }
1614
1615 /* Translate local fec value into ethtool value. */
1616 static unsigned int loc_to_eth_fec(u8 loc_fec)
1617 {
1618         u32 eth_fec = 0;
1619
1620         if (loc_fec & BIT(HNAE3_FEC_AUTO))
1621                 eth_fec |= ETHTOOL_FEC_AUTO;
1622         if (loc_fec & BIT(HNAE3_FEC_RS))
1623                 eth_fec |= ETHTOOL_FEC_RS;
1624         if (loc_fec & BIT(HNAE3_FEC_BASER))
1625                 eth_fec |= ETHTOOL_FEC_BASER;
1626
1627         /* if nothing is set, then FEC is off */
1628         if (!eth_fec)
1629                 eth_fec = ETHTOOL_FEC_OFF;
1630
1631         return eth_fec;
1632 }
1633
1634 /* Translate ethtool fec value into local value. */
1635 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1636 {
1637         u32 loc_fec = 0;
1638
1639         if (eth_fec & ETHTOOL_FEC_OFF)
1640                 return loc_fec;
1641
1642         if (eth_fec & ETHTOOL_FEC_AUTO)
1643                 loc_fec |= BIT(HNAE3_FEC_AUTO);
1644         if (eth_fec & ETHTOOL_FEC_RS)
1645                 loc_fec |= BIT(HNAE3_FEC_RS);
1646         if (eth_fec & ETHTOOL_FEC_BASER)
1647                 loc_fec |= BIT(HNAE3_FEC_BASER);
1648
1649         return loc_fec;
1650 }
1651
1652 static int hns3_get_fecparam(struct net_device *netdev,
1653                              struct ethtool_fecparam *fec)
1654 {
1655         struct hnae3_handle *handle = hns3_get_handle(netdev);
1656         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1657         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1658         u8 fec_ability;
1659         u8 fec_mode;
1660
1661         if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1662                 return -EOPNOTSUPP;
1663
1664         if (!ops->get_fec)
1665                 return -EOPNOTSUPP;
1666
1667         ops->get_fec(handle, &fec_ability, &fec_mode);
1668
1669         fec->fec = loc_to_eth_fec(fec_ability);
1670         fec->active_fec = loc_to_eth_fec(fec_mode);
1671
1672         return 0;
1673 }
1674
1675 static int hns3_set_fecparam(struct net_device *netdev,
1676                              struct ethtool_fecparam *fec)
1677 {
1678         struct hnae3_handle *handle = hns3_get_handle(netdev);
1679         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1680         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1681         u32 fec_mode;
1682
1683         if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1684                 return -EOPNOTSUPP;
1685
1686         if (!ops->set_fec)
1687                 return -EOPNOTSUPP;
1688         fec_mode = eth_to_loc_fec(fec->fec);
1689
1690         netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1691
1692         return ops->set_fec(handle, fec_mode);
1693 }
1694
1695 static int hns3_get_module_info(struct net_device *netdev,
1696                                 struct ethtool_modinfo *modinfo)
1697 {
1698 #define HNS3_SFF_8636_V1_3 0x03
1699
1700         struct hnae3_handle *handle = hns3_get_handle(netdev);
1701         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1702         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1703         struct hns3_sfp_type sfp_type;
1704         int ret;
1705
1706         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1707             !ops->get_module_eeprom)
1708                 return -EOPNOTSUPP;
1709
1710         memset(&sfp_type, 0, sizeof(sfp_type));
1711         ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
1712                                      (u8 *)&sfp_type);
1713         if (ret)
1714                 return ret;
1715
1716         switch (sfp_type.type) {
1717         case SFF8024_ID_SFP:
1718                 modinfo->type = ETH_MODULE_SFF_8472;
1719                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1720                 break;
1721         case SFF8024_ID_QSFP_8438:
1722                 modinfo->type = ETH_MODULE_SFF_8436;
1723                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1724                 break;
1725         case SFF8024_ID_QSFP_8436_8636:
1726                 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
1727                         modinfo->type = ETH_MODULE_SFF_8436;
1728                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1729                 } else {
1730                         modinfo->type = ETH_MODULE_SFF_8636;
1731                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1732                 }
1733                 break;
1734         case SFF8024_ID_QSFP28_8636:
1735                 modinfo->type = ETH_MODULE_SFF_8636;
1736                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1737                 break;
1738         default:
1739                 netdev_err(netdev, "Optical module unknown: %#x\n",
1740                            sfp_type.type);
1741                 return -EINVAL;
1742         }
1743
1744         return 0;
1745 }
1746
1747 static int hns3_get_module_eeprom(struct net_device *netdev,
1748                                   struct ethtool_eeprom *ee, u8 *data)
1749 {
1750         struct hnae3_handle *handle = hns3_get_handle(netdev);
1751         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1752         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1753
1754         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1755             !ops->get_module_eeprom)
1756                 return -EOPNOTSUPP;
1757
1758         if (!ee->len)
1759                 return -EINVAL;
1760
1761         memset(data, 0, ee->len);
1762
1763         return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
1764 }
1765
1766 static u32 hns3_get_priv_flags(struct net_device *netdev)
1767 {
1768         struct hnae3_handle *handle = hns3_get_handle(netdev);
1769
1770         return handle->priv_flags;
1771 }
1772
1773 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
1774 {
1775         u32 i;
1776
1777         for (i = 0; i < HNAE3_PFLAG_MAX; i++)
1778                 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
1779                         netdev_err(h->netdev, "%s is unsupported\n",
1780                                    hns3_priv_flags[i].name);
1781                         return -EOPNOTSUPP;
1782                 }
1783
1784         return 0;
1785 }
1786
1787 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
1788 {
1789         struct hnae3_handle *handle = hns3_get_handle(netdev);
1790         u32 changed = pflags ^ handle->priv_flags;
1791         int ret;
1792         u32 i;
1793
1794         ret = hns3_check_priv_flags(handle, changed);
1795         if (ret)
1796                 return ret;
1797
1798         for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
1799                 if (changed & BIT(i)) {
1800                         bool enable = !(handle->priv_flags & BIT(i));
1801
1802                         if (enable)
1803                                 handle->priv_flags |= BIT(i);
1804                         else
1805                                 handle->priv_flags &= ~BIT(i);
1806                         hns3_priv_flags[i].handler(netdev, enable);
1807                 }
1808         }
1809
1810         return 0;
1811 }
1812
1813 static int hns3_get_tunable(struct net_device *netdev,
1814                             const struct ethtool_tunable *tuna,
1815                             void *data)
1816 {
1817         struct hns3_nic_priv *priv = netdev_priv(netdev);
1818         struct hnae3_handle *h = priv->ae_handle;
1819         int ret = 0;
1820
1821         switch (tuna->id) {
1822         case ETHTOOL_TX_COPYBREAK:
1823                 /* all the tx rings have the same tx_copybreak */
1824                 *(u32 *)data = priv->tx_copybreak;
1825                 break;
1826         case ETHTOOL_RX_COPYBREAK:
1827                 *(u32 *)data = priv->rx_copybreak;
1828                 break;
1829         case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
1830                 *(u32 *)data = h->kinfo.tx_spare_buf_size;
1831                 break;
1832         default:
1833                 ret = -EOPNOTSUPP;
1834                 break;
1835         }
1836
1837         return ret;
1838 }
1839
1840 static int hns3_set_tx_spare_buf_size(struct net_device *netdev,
1841                                       u32 data)
1842 {
1843         struct hns3_nic_priv *priv = netdev_priv(netdev);
1844         struct hnae3_handle *h = priv->ae_handle;
1845         int ret;
1846
1847         h->kinfo.tx_spare_buf_size = data;
1848
1849         ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
1850         if (ret)
1851                 return ret;
1852
1853         ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
1854         if (ret)
1855                 return ret;
1856
1857         ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT);
1858         if (ret)
1859                 return ret;
1860
1861         ret = hns3_reset_notify(h, HNAE3_UP_CLIENT);
1862         if (ret)
1863                 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
1864
1865         return ret;
1866 }
1867
1868 static int hns3_set_tunable(struct net_device *netdev,
1869                             const struct ethtool_tunable *tuna,
1870                             const void *data)
1871 {
1872         struct hns3_nic_priv *priv = netdev_priv(netdev);
1873         u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
1874         struct hnae3_handle *h = priv->ae_handle;
1875         int i, ret = 0;
1876
1877         if (hns3_nic_resetting(netdev) || !priv->ring) {
1878                 netdev_err(netdev, "failed to set tunable value, dev resetting!");
1879                 return -EBUSY;
1880         }
1881
1882         switch (tuna->id) {
1883         case ETHTOOL_TX_COPYBREAK:
1884                 priv->tx_copybreak = *(u32 *)data;
1885
1886                 for (i = 0; i < h->kinfo.num_tqps; i++)
1887                         priv->ring[i].tx_copybreak = priv->tx_copybreak;
1888
1889                 break;
1890         case ETHTOOL_RX_COPYBREAK:
1891                 priv->rx_copybreak = *(u32 *)data;
1892
1893                 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++)
1894                         priv->ring[i].rx_copybreak = priv->rx_copybreak;
1895
1896                 break;
1897         case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
1898                 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
1899                 new_tx_spare_buf_size = *(u32 *)data;
1900                 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
1901                             old_tx_spare_buf_size, new_tx_spare_buf_size);
1902                 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
1903                 if (ret ||
1904                     (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
1905                         int ret1;
1906
1907                         netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n");
1908                         ret1 = hns3_set_tx_spare_buf_size(netdev,
1909                                                           old_tx_spare_buf_size);
1910                         if (ret1) {
1911                                 netdev_err(netdev, "revert to old tx spare buf size fail\n");
1912                                 return ret1;
1913                         }
1914
1915                         return ret;
1916                 }
1917
1918                 if (!priv->ring->tx_spare)
1919                         netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n");
1920                 else
1921                         netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n",
1922                                     priv->ring->tx_spare->len);
1923
1924                 break;
1925         default:
1926                 ret = -EOPNOTSUPP;
1927                 break;
1928         }
1929
1930         return ret;
1931 }
1932
1933 #define HNS3_ETHTOOL_COALESCE   (ETHTOOL_COALESCE_USECS |               \
1934                                  ETHTOOL_COALESCE_USE_ADAPTIVE |        \
1935                                  ETHTOOL_COALESCE_RX_USECS_HIGH |       \
1936                                  ETHTOOL_COALESCE_TX_USECS_HIGH |       \
1937                                  ETHTOOL_COALESCE_MAX_FRAMES |          \
1938                                  ETHTOOL_COALESCE_USE_CQE)
1939
1940 #define HNS3_ETHTOOL_RING       (ETHTOOL_RING_USE_RX_BUF_LEN |          \
1941                                  ETHTOOL_RING_USE_TX_PUSH)
1942
1943 static int hns3_get_ts_info(struct net_device *netdev,
1944                             struct ethtool_ts_info *info)
1945 {
1946         struct hnae3_handle *handle = hns3_get_handle(netdev);
1947
1948         if (handle->ae_algo->ops->get_ts_info)
1949                 return handle->ae_algo->ops->get_ts_info(handle, info);
1950
1951         return ethtool_op_get_ts_info(netdev, info);
1952 }
1953
1954 static const struct hns3_ethtool_link_ext_state_mapping
1955 hns3_link_ext_state_map[] = {
1956         {1, ETHTOOL_LINK_EXT_STATE_AUTONEG,
1957                 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
1958         {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
1959                 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
1960
1961         {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
1962                 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
1963         {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
1964                 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
1965         {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
1966                 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
1967
1968         {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
1969                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
1970         {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
1971                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
1972         {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
1973                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
1974
1975         {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
1976                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
1977         {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
1978                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST},
1979         {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
1980                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS},
1981
1982         {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
1983         {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
1984                 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
1985
1986         {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
1987 };
1988
1989 static int hns3_get_link_ext_state(struct net_device *netdev,
1990                                    struct ethtool_link_ext_state_info *info)
1991 {
1992         const struct hns3_ethtool_link_ext_state_mapping *map;
1993         struct hnae3_handle *h = hns3_get_handle(netdev);
1994         u32 status_code, i;
1995         int ret;
1996
1997         if (netif_carrier_ok(netdev))
1998                 return -ENODATA;
1999
2000         if (!h->ae_algo->ops->get_link_diagnosis_info)
2001                 return -EOPNOTSUPP;
2002
2003         ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code);
2004         if (ret)
2005                 return ret;
2006
2007         for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) {
2008                 map = &hns3_link_ext_state_map[i];
2009                 if (map->status_code == status_code) {
2010                         info->link_ext_state = map->link_ext_state;
2011                         info->__link_ext_substate = map->link_ext_substate;
2012                         return 0;
2013                 }
2014         }
2015
2016         return -ENODATA;
2017 }
2018
2019 static const struct ethtool_ops hns3vf_ethtool_ops = {
2020         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2021         .supported_ring_params = HNS3_ETHTOOL_RING,
2022         .get_drvinfo = hns3_get_drvinfo,
2023         .get_ringparam = hns3_get_ringparam,
2024         .set_ringparam = hns3_set_ringparam,
2025         .get_strings = hns3_get_strings,
2026         .get_ethtool_stats = hns3_get_stats,
2027         .get_sset_count = hns3_get_sset_count,
2028         .get_rxnfc = hns3_get_rxnfc,
2029         .set_rxnfc = hns3_set_rxnfc,
2030         .get_rxfh_key_size = hns3_get_rss_key_size,
2031         .get_rxfh_indir_size = hns3_get_rss_indir_size,
2032         .get_rxfh = hns3_get_rss,
2033         .set_rxfh = hns3_set_rss,
2034         .get_link_ksettings = hns3_get_link_ksettings,
2035         .get_channels = hns3_get_channels,
2036         .set_channels = hns3_set_channels,
2037         .get_coalesce = hns3_get_coalesce,
2038         .set_coalesce = hns3_set_coalesce,
2039         .get_regs_len = hns3_get_regs_len,
2040         .get_regs = hns3_get_regs,
2041         .get_link = hns3_get_link,
2042         .get_msglevel = hns3_get_msglevel,
2043         .set_msglevel = hns3_set_msglevel,
2044         .get_priv_flags = hns3_get_priv_flags,
2045         .set_priv_flags = hns3_set_priv_flags,
2046         .get_tunable = hns3_get_tunable,
2047         .set_tunable = hns3_set_tunable,
2048         .reset = hns3_set_reset,
2049 };
2050
2051 static const struct ethtool_ops hns3_ethtool_ops = {
2052         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2053         .supported_ring_params = HNS3_ETHTOOL_RING,
2054         .self_test = hns3_self_test,
2055         .get_drvinfo = hns3_get_drvinfo,
2056         .get_link = hns3_get_link,
2057         .get_ringparam = hns3_get_ringparam,
2058         .set_ringparam = hns3_set_ringparam,
2059         .get_pauseparam = hns3_get_pauseparam,
2060         .set_pauseparam = hns3_set_pauseparam,
2061         .get_strings = hns3_get_strings,
2062         .get_ethtool_stats = hns3_get_stats,
2063         .get_sset_count = hns3_get_sset_count,
2064         .get_rxnfc = hns3_get_rxnfc,
2065         .set_rxnfc = hns3_set_rxnfc,
2066         .get_rxfh_key_size = hns3_get_rss_key_size,
2067         .get_rxfh_indir_size = hns3_get_rss_indir_size,
2068         .get_rxfh = hns3_get_rss,
2069         .set_rxfh = hns3_set_rss,
2070         .get_link_ksettings = hns3_get_link_ksettings,
2071         .set_link_ksettings = hns3_set_link_ksettings,
2072         .nway_reset = hns3_nway_reset,
2073         .get_channels = hns3_get_channels,
2074         .set_channels = hns3_set_channels,
2075         .get_coalesce = hns3_get_coalesce,
2076         .set_coalesce = hns3_set_coalesce,
2077         .get_regs_len = hns3_get_regs_len,
2078         .get_regs = hns3_get_regs,
2079         .set_phys_id = hns3_set_phys_id,
2080         .get_msglevel = hns3_get_msglevel,
2081         .set_msglevel = hns3_set_msglevel,
2082         .get_fecparam = hns3_get_fecparam,
2083         .set_fecparam = hns3_set_fecparam,
2084         .get_module_info = hns3_get_module_info,
2085         .get_module_eeprom = hns3_get_module_eeprom,
2086         .get_priv_flags = hns3_get_priv_flags,
2087         .set_priv_flags = hns3_set_priv_flags,
2088         .get_ts_info = hns3_get_ts_info,
2089         .get_tunable = hns3_get_tunable,
2090         .set_tunable = hns3_set_tunable,
2091         .reset = hns3_set_reset,
2092         .get_link_ext_state = hns3_get_link_ext_state,
2093 };
2094
2095 void hns3_ethtool_set_ops(struct net_device *netdev)
2096 {
2097         struct hnae3_handle *h = hns3_get_handle(netdev);
2098
2099         if (h->flags & HNAE3_SUPPORT_VF)
2100                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
2101         else
2102                 netdev->ethtool_ops = &hns3_ethtool_ops;
2103 }