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_NIC_LB_TEST_PKT_NUM        1
  73 #define HNS3_NIC_LB_TEST_RING_ID        0
  74 #define HNS3_NIC_LB_TEST_PACKET_SIZE    128
  75 #define HNS3_NIC_LB_SETUP_USEC          10000
  76
  77 /* Nic loopback test err  */
  78 #define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
  79 #define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
  80 #define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
  81
  82 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
  83 {
  84         struct hnae3_handle *h = hns3_get_handle(ndev);
  85         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
  86         int ret;
  87
  88         if (!h->ae_algo->ops->set_loopback ||
  89             !h->ae_algo->ops->set_promisc_mode)
  90                 return -EOPNOTSUPP;
  91
  92         switch (loop) {
  93         case HNAE3_LOOP_SERIAL_SERDES:
  94         case HNAE3_LOOP_PARALLEL_SERDES:
  95         case HNAE3_LOOP_APP:
  96         case HNAE3_LOOP_PHY:
  97         case HNAE3_LOOP_EXTERNAL:
  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_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL;
 308         st_param[HNAE3_LOOP_EXTERNAL][1] =
 309                         h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
 310
 311         st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
 312         st_param[HNAE3_LOOP_APP][1] =
 313                         h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
 314
 315         st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
 316         st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
 317                         h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 318
 319         st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
 320                         HNAE3_LOOP_PARALLEL_SERDES;
 321         st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
 322                         h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 323
 324         st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
 325         st_param[HNAE3_LOOP_PHY][1] =
 326                         h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
 327 }
 328
 329 static void hns3_selftest_prepare(struct net_device *ndev, bool if_running)
 330 {
 331         struct hns3_nic_priv *priv = netdev_priv(ndev);
 332         struct hnae3_handle *h = priv->ae_handle;
 333
 334         if (if_running)
 335                 ndev->netdev_ops->ndo_stop(ndev);
 336
 337 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 338         /* Disable the vlan filter for selftest does not support it */
 339         if (h->ae_algo->ops->enable_vlan_filter &&
 340             ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
 341                 h->ae_algo->ops->enable_vlan_filter(h, false);
 342 #endif
 343
 344         /* Tell firmware to stop mac autoneg before loopback test start,
 345          * otherwise loopback test may be failed when the port is still
 346          * negotiating.
 347          */
 348         if (h->ae_algo->ops->halt_autoneg)
 349                 h->ae_algo->ops->halt_autoneg(h, true);
 350
 351         set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 352 }
 353
 354 static void hns3_selftest_restore(struct net_device *ndev, bool if_running)
 355 {
 356         struct hns3_nic_priv *priv = netdev_priv(ndev);
 357         struct hnae3_handle *h = priv->ae_handle;
 358
 359         clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
 360
 361         if (h->ae_algo->ops->halt_autoneg)
 362                 h->ae_algo->ops->halt_autoneg(h, false);
 363
 364 #if IS_ENABLED(CONFIG_VLAN_8021Q)
 365         if (h->ae_algo->ops->enable_vlan_filter &&
 366             ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
 367                 h->ae_algo->ops->enable_vlan_filter(h, true);
 368 #endif
 369
 370         if (if_running)
 371                 ndev->netdev_ops->ndo_open(ndev);
 372 }
 373
 374 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
 375                              struct ethtool_test *eth_test, u64 *data)
 376 {
 377         int test_index = HNAE3_LOOP_APP;
 378         u32 i;
 379
 380         for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; i++) {
 381                 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
 382
 383                 if (!st_param[i][1])
 384                         continue;
 385
 386                 data[test_index] = hns3_lp_up(ndev, loop_type);
 387                 if (!data[test_index])
 388                         data[test_index] = hns3_lp_run_test(ndev, loop_type);
 389
 390                 hns3_lp_down(ndev, loop_type);
 391
 392                 if (data[test_index])
 393                         eth_test->flags |= ETH_TEST_FL_FAILED;
 394
 395                 test_index++;
 396         }
 397 }
 398
 399 static void hns3_do_external_lb(struct net_device *ndev,
 400                                 struct ethtool_test *eth_test, u64 *data)
 401 {
 402         data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL);
 403         if (!data[HNAE3_LOOP_EXTERNAL])
 404                 data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL);
 405         hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL);
 406
 407         if (data[HNAE3_LOOP_EXTERNAL])
 408                 eth_test->flags |= ETH_TEST_FL_FAILED;
 409
 410         eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 411 }
 412
 413 /**
 414  * hns3_self_test - self test
 415  * @ndev: net device
 416  * @eth_test: test cmd
 417  * @data: test result
 418  */
 419 static void hns3_self_test(struct net_device *ndev,
 420                            struct ethtool_test *eth_test, u64 *data)
 421 {
 422         struct hns3_nic_priv *priv = netdev_priv(ndev);
 423         struct hnae3_handle *h = priv->ae_handle;
 424         int st_param[HNAE3_LOOP_NONE][2];
 425         bool if_running = netif_running(ndev);
 426
 427         if (hns3_nic_resetting(ndev)) {
 428                 netdev_err(ndev, "dev resetting!");
 429                 return;
 430         }
 431
 432         if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
 433                 return;
 434
 435         if (netif_msg_ifdown(h))
 436                 netdev_info(ndev, "self test start\n");
 437
 438         hns3_set_selftest_param(h, st_param);
 439
 440         /* external loopback test requires that the link is up and the duplex is
 441          * full, do external test first to reduce the whole test time
 442          */
 443         if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 444                 hns3_external_lb_prepare(ndev, if_running);
 445                 hns3_do_external_lb(ndev, eth_test, data);
 446                 hns3_external_lb_restore(ndev, if_running);
 447         }
 448
 449         hns3_selftest_prepare(ndev, if_running);
 450         hns3_do_selftest(ndev, st_param, eth_test, data);
 451         hns3_selftest_restore(ndev, if_running);
 452
 453         if (netif_msg_ifdown(h))
 454                 netdev_info(ndev, "self test end\n");
 455 }
 456
 457 static void hns3_update_limit_promisc_mode(struct net_device *netdev,
 458                                            bool enable)
 459 {
 460         struct hnae3_handle *handle = hns3_get_handle(netdev);
 461
 462         if (enable)
 463                 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
 464         else
 465                 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
 466
 467         hns3_request_update_promisc_mode(handle);
 468 }
 469
 470 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
 471         { "limit_promisc",      hns3_update_limit_promisc_mode }
 472 };
 473
 474 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 475 {
 476         struct hnae3_handle *h = hns3_get_handle(netdev);
 477         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 478
 479         if (!ops->get_sset_count)
 480                 return -EOPNOTSUPP;
 481
 482         switch (stringset) {
 483         case ETH_SS_STATS:
 484                 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
 485                         ops->get_sset_count(h, stringset));
 486
 487         case ETH_SS_TEST:
 488                 return ops->get_sset_count(h, stringset);
 489
 490         case ETH_SS_PRIV_FLAGS:
 491                 return HNAE3_PFLAG_MAX;
 492
 493         default:
 494                 return -EOPNOTSUPP;
 495         }
 496 }
 497
 498 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
 499                 u32 stat_count, u32 num_tqps, const char *prefix)
 500 {
 501 #define MAX_PREFIX_SIZE (6 + 4)
 502         u32 size_left;
 503         u32 i, j;
 504         u32 n1;
 505
 506         for (i = 0; i < num_tqps; i++) {
 507                 for (j = 0; j < stat_count; j++) {
 508                         data[ETH_GSTRING_LEN - 1] = '\0';
 509
 510                         /* first, prepend the prefix string */
 511                         n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
 512                                        prefix, i);
 513                         size_left = (ETH_GSTRING_LEN - 1) - n1;
 514
 515                         /* now, concatenate the stats string to it */
 516                         strncat(data, stats[j].stats_string, size_left);
 517                         data += ETH_GSTRING_LEN;
 518                 }
 519         }
 520
 521         return data;
 522 }
 523
 524 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
 525 {
 526         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 527         const char tx_prefix[] = "txq";
 528         const char rx_prefix[] = "rxq";
 529
 530         /* get strings for Tx */
 531         data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
 532                                    kinfo->num_tqps, tx_prefix);
 533
 534         /* get strings for Rx */
 535         data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
 536                                    kinfo->num_tqps, rx_prefix);
 537
 538         return data;
 539 }
 540
 541 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 542 {
 543         struct hnae3_handle *h = hns3_get_handle(netdev);
 544         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 545         char *buff = (char *)data;
 546         int i;
 547
 548         if (!ops->get_strings)
 549                 return;
 550
 551         switch (stringset) {
 552         case ETH_SS_STATS:
 553                 buff = hns3_get_strings_tqps(h, buff);
 554                 ops->get_strings(h, stringset, (u8 *)buff);
 555                 break;
 556         case ETH_SS_TEST:
 557                 ops->get_strings(h, stringset, data);
 558                 break;
 559         case ETH_SS_PRIV_FLAGS:
 560                 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
 561                         snprintf(buff, ETH_GSTRING_LEN, "%s",
 562                                  hns3_priv_flags[i].name);
 563                         buff += ETH_GSTRING_LEN;
 564                 }
 565                 break;
 566         default:
 567                 break;
 568         }
 569 }
 570
 571 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 572 {
 573         struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
 574         struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 575         struct hns3_enet_ring *ring;
 576         u8 *stat;
 577         int i, j;
 578
 579         /* get stats for Tx */
 580         for (i = 0; i < kinfo->num_tqps; i++) {
 581                 ring = &nic_priv->ring[i];
 582                 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
 583                         stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 584                         *data++ = *(u64 *)stat;
 585                 }
 586         }
 587
 588         /* get stats for Rx */
 589         for (i = 0; i < kinfo->num_tqps; i++) {
 590                 ring = &nic_priv->ring[i + kinfo->num_tqps];
 591                 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
 592                         stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 593                         *data++ = *(u64 *)stat;
 594                 }
 595         }
 596
 597         return data;
 598 }
 599
 600 /* hns3_get_stats - get detail statistics.
 601  * @netdev: net device
 602  * @stats: statistics info.
 603  * @data: statistics data.
 604  */
 605 static void hns3_get_stats(struct net_device *netdev,
 606                            struct ethtool_stats *stats, u64 *data)
 607 {
 608         struct hnae3_handle *h = hns3_get_handle(netdev);
 609         u64 *p = data;
 610
 611         if (hns3_nic_resetting(netdev)) {
 612                 netdev_err(netdev, "dev resetting, could not get stats\n");
 613                 return;
 614         }
 615
 616         if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 617                 netdev_err(netdev, "could not get any statistics\n");
 618                 return;
 619         }
 620
 621         h->ae_algo->ops->update_stats(h, &netdev->stats);
 622
 623         /* get per-queue stats */
 624         p = hns3_get_stats_tqps(h, p);
 625
 626         /* get MAC & other misc hardware stats */
 627         h->ae_algo->ops->get_stats(h, p);
 628 }
 629
 630 static void hns3_get_drvinfo(struct net_device *netdev,
 631                              struct ethtool_drvinfo *drvinfo)
 632 {
 633         struct hns3_nic_priv *priv = netdev_priv(netdev);
 634         struct hnae3_handle *h = priv->ae_handle;
 635         u32 fw_version;
 636
 637         if (!h->ae_algo->ops->get_fw_version) {
 638                 netdev_err(netdev, "could not get fw version!\n");
 639                 return;
 640         }
 641
 642         strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
 643                 sizeof(drvinfo->driver));
 644         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
 645
 646         strncpy(drvinfo->bus_info, pci_name(h->pdev),
 647                 sizeof(drvinfo->bus_info));
 648         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
 649
 650         fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
 651
 652         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 653                  "%lu.%lu.%lu.%lu",
 654                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
 655                                  HNAE3_FW_VERSION_BYTE3_SHIFT),
 656                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
 657                                  HNAE3_FW_VERSION_BYTE2_SHIFT),
 658                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
 659                                  HNAE3_FW_VERSION_BYTE1_SHIFT),
 660                  hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
 661                                  HNAE3_FW_VERSION_BYTE0_SHIFT));
 662 }
 663
 664 static u32 hns3_get_link(struct net_device *netdev)
 665 {
 666         struct hnae3_handle *h = hns3_get_handle(netdev);
 667
 668         if (h->ae_algo->ops->get_status)
 669                 return h->ae_algo->ops->get_status(h);
 670         else
 671                 return 0;
 672 }
 673
 674 static void hns3_get_ringparam(struct net_device *netdev,
 675                                struct ethtool_ringparam *param,
 676                                struct kernel_ethtool_ringparam *kernel_param,
 677                                struct netlink_ext_ack *extack)
 678 {
 679         struct hns3_nic_priv *priv = netdev_priv(netdev);
 680         struct hnae3_handle *h = priv->ae_handle;
 681         int rx_queue_index = h->kinfo.num_tqps;
 682
 683         if (hns3_nic_resetting(netdev) || !priv->ring) {
 684                 netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
 685                 return;
 686         }
 687
 688         param->tx_max_pending = HNS3_RING_MAX_PENDING;
 689         param->rx_max_pending = HNS3_RING_MAX_PENDING;
 690
 691         param->tx_pending = priv->ring[0].desc_num;
 692         param->rx_pending = priv->ring[rx_queue_index].desc_num;
 693         kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
 694         kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE,
 695                                          &priv->state);
 696 }
 697
 698 static void hns3_get_pauseparam(struct net_device *netdev,
 699                                 struct ethtool_pauseparam *param)
 700 {
 701         struct hnae3_handle *h = hns3_get_handle(netdev);
 702         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 703
 704         if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
 705                 return;
 706
 707         if (h->ae_algo->ops->get_pauseparam)
 708                 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
 709                         &param->rx_pause, &param->tx_pause);
 710 }
 711
 712 static int hns3_set_pauseparam(struct net_device *netdev,
 713                                struct ethtool_pauseparam *param)
 714 {
 715         struct hnae3_handle *h = hns3_get_handle(netdev);
 716         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 717
 718         if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
 719                 return -EOPNOTSUPP;
 720
 721         netif_dbg(h, drv, netdev,
 722                   "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
 723                   param->autoneg, param->rx_pause, param->tx_pause);
 724
 725         if (h->ae_algo->ops->set_pauseparam)
 726                 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
 727                                                        param->rx_pause,
 728                                                        param->tx_pause);
 729         return -EOPNOTSUPP;
 730 }
 731
 732 static void hns3_get_ksettings(struct hnae3_handle *h,
 733                                struct ethtool_link_ksettings *cmd)
 734 {
 735         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
 736
 737         /* 1.auto_neg & speed & duplex from cmd */
 738         if (ops->get_ksettings_an_result)
 739                 ops->get_ksettings_an_result(h,
 740                                              &cmd->base.autoneg,
 741                                              &cmd->base.speed,
 742                                              &cmd->base.duplex,
 743                                              &cmd->lanes);
 744
 745         /* 2.get link mode */
 746         if (ops->get_link_mode)
 747                 ops->get_link_mode(h,
 748                                    cmd->link_modes.supported,
 749                                    cmd->link_modes.advertising);
 750
 751         /* 3.mdix_ctrl&mdix get from phy reg */
 752         if (ops->get_mdix_mode)
 753                 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
 754                                    &cmd->base.eth_tp_mdix);
 755 }
 756
 757 static int hns3_get_link_ksettings(struct net_device *netdev,
 758                                    struct ethtool_link_ksettings *cmd)
 759 {
 760         struct hnae3_handle *h = hns3_get_handle(netdev);
 761         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 762         const struct hnae3_ae_ops *ops;
 763         u8 module_type;
 764         u8 media_type;
 765         u8 link_stat;
 766
 767         ops = h->ae_algo->ops;
 768         if (ops->get_media_type)
 769                 ops->get_media_type(h, &media_type, &module_type);
 770         else
 771                 return -EOPNOTSUPP;
 772
 773         switch (media_type) {
 774         case HNAE3_MEDIA_TYPE_NONE:
 775                 cmd->base.port = PORT_NONE;
 776                 hns3_get_ksettings(h, cmd);
 777                 break;
 778         case HNAE3_MEDIA_TYPE_FIBER:
 779                 if (module_type == HNAE3_MODULE_TYPE_CR)
 780                         cmd->base.port = PORT_DA;
 781                 else
 782                         cmd->base.port = PORT_FIBRE;
 783
 784                 hns3_get_ksettings(h, cmd);
 785                 break;
 786         case HNAE3_MEDIA_TYPE_BACKPLANE:
 787                 cmd->base.port = PORT_NONE;
 788                 hns3_get_ksettings(h, cmd);
 789                 break;
 790         case HNAE3_MEDIA_TYPE_COPPER:
 791                 cmd->base.port = PORT_TP;
 792                 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
 793                     ops->get_phy_link_ksettings)
 794                         ops->get_phy_link_ksettings(h, cmd);
 795                 else if (!netdev->phydev)
 796                         hns3_get_ksettings(h, cmd);
 797                 else
 798                         phy_ethtool_ksettings_get(netdev->phydev, cmd);
 799                 break;
 800         default:
 801
 802                 netdev_warn(netdev, "Unknown media type");
 803                 return 0;
 804         }
 805
 806         /* mdio_support */
 807         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
 808
 809         link_stat = hns3_get_link(netdev);
 810         if (!link_stat) {
 811                 cmd->base.speed = SPEED_UNKNOWN;
 812                 cmd->base.duplex = DUPLEX_UNKNOWN;
 813         }
 814
 815         return 0;
 816 }
 817
 818 static int hns3_check_ksettings_param(const struct net_device *netdev,
 819                                       const struct ethtool_link_ksettings *cmd)
 820 {
 821         struct hnae3_handle *handle = hns3_get_handle(netdev);
 822         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 823         u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
 824         u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
 825         u32 lane_num;
 826         u8 autoneg;
 827         u32 speed;
 828         u8 duplex;
 829         int ret;
 830
 831         /* hw doesn't support use specified speed and duplex to negotiate,
 832          * unnecessary to check them when autoneg on.
 833          */
 834         if (cmd->base.autoneg)
 835                 return 0;
 836
 837         if (ops->get_ksettings_an_result) {
 838                 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex, &lane_num);
 839                 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
 840                     cmd->base.duplex == duplex && cmd->lanes == lane_num)
 841                         return 0;
 842         }
 843
 844         if (ops->get_media_type)
 845                 ops->get_media_type(handle, &media_type, &module_type);
 846
 847         if (cmd->base.duplex == DUPLEX_HALF &&
 848             media_type != HNAE3_MEDIA_TYPE_COPPER) {
 849                 netdev_err(netdev,
 850                            "only copper port supports half duplex!");
 851                 return -EINVAL;
 852         }
 853
 854         if (ops->check_port_speed) {
 855                 ret = ops->check_port_speed(handle, cmd->base.speed);
 856                 if (ret) {
 857                         netdev_err(netdev, "unsupported speed\n");
 858                         return ret;
 859                 }
 860         }
 861
 862         return 0;
 863 }
 864
 865 static int hns3_set_link_ksettings(struct net_device *netdev,
 866                                    const struct ethtool_link_ksettings *cmd)
 867 {
 868         struct hnae3_handle *handle = hns3_get_handle(netdev);
 869         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
 870         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 871         int ret;
 872
 873         /* Chip don't support this mode. */
 874         if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 875                 return -EINVAL;
 876
 877         if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev))
 878                 return -EOPNOTSUPP;
 879
 880         netif_dbg(handle, drv, netdev,
 881                   "set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n",
 882                   netdev->phydev ? "phy" : "mac",
 883                   cmd->base.autoneg, cmd->base.speed, cmd->base.duplex,
 884                   cmd->lanes);
 885
 886         /* Only support ksettings_set for netdev with phy attached for now */
 887         if (netdev->phydev) {
 888                 if (cmd->base.speed == SPEED_1000 &&
 889                     cmd->base.autoneg == AUTONEG_DISABLE)
 890                         return -EINVAL;
 891
 892                 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 893         } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
 894                    ops->set_phy_link_ksettings) {
 895                 return ops->set_phy_link_ksettings(handle, cmd);
 896         }
 897
 898         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
 899                 return -EOPNOTSUPP;
 900
 901         ret = hns3_check_ksettings_param(netdev, cmd);
 902         if (ret)
 903                 return ret;
 904
 905         if (ops->set_autoneg) {
 906                 ret = ops->set_autoneg(handle, cmd->base.autoneg);
 907                 if (ret)
 908                         return ret;
 909         }
 910
 911         /* hw doesn't support use specified speed and duplex to negotiate,
 912          * ignore them when autoneg on.
 913          */
 914         if (cmd->base.autoneg) {
 915                 netdev_info(netdev,
 916                             "autoneg is on, ignore the speed and duplex\n");
 917                 return 0;
 918         }
 919
 920         if (ops->cfg_mac_speed_dup_h)
 921                 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
 922                                                cmd->base.duplex, (u8)(cmd->lanes));
 923
 924         return ret;
 925 }
 926
 927 static u32 hns3_get_rss_key_size(struct net_device *netdev)
 928 {
 929         struct hnae3_handle *h = hns3_get_handle(netdev);
 930
 931         if (!h->ae_algo->ops->get_rss_key_size)
 932                 return 0;
 933
 934         return h->ae_algo->ops->get_rss_key_size(h);
 935 }
 936
 937 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
 938 {
 939         struct hnae3_handle *h = hns3_get_handle(netdev);
 940         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 941
 942         return ae_dev->dev_specs.rss_ind_tbl_size;
 943 }
 944
 945 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
 946                         u8 *hfunc)
 947 {
 948         struct hnae3_handle *h = hns3_get_handle(netdev);
 949
 950         if (!h->ae_algo->ops->get_rss)
 951                 return -EOPNOTSUPP;
 952
 953         return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
 954 }
 955
 956 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
 957                         const u8 *key, const u8 hfunc)
 958 {
 959         struct hnae3_handle *h = hns3_get_handle(netdev);
 960         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
 961
 962         if (!h->ae_algo->ops->set_rss)
 963                 return -EOPNOTSUPP;
 964
 965         if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
 966              hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
 967              hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
 968                 netdev_err(netdev, "hash func not supported\n");
 969                 return -EOPNOTSUPP;
 970         }
 971
 972         if (!indir) {
 973                 netdev_err(netdev,
 974                            "set rss failed for indir is empty\n");
 975                 return -EOPNOTSUPP;
 976         }
 977
 978         return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
 979 }
 980
 981 static int hns3_get_rxnfc(struct net_device *netdev,
 982                           struct ethtool_rxnfc *cmd,
 983                           u32 *rule_locs)
 984 {
 985         struct hnae3_handle *h = hns3_get_handle(netdev);
 986
 987         switch (cmd->cmd) {
 988         case ETHTOOL_GRXRINGS:
 989                 cmd->data = h->kinfo.num_tqps;
 990                 return 0;
 991         case ETHTOOL_GRXFH:
 992                 if (h->ae_algo->ops->get_rss_tuple)
 993                         return h->ae_algo->ops->get_rss_tuple(h, cmd);
 994                 return -EOPNOTSUPP;
 995         case ETHTOOL_GRXCLSRLCNT:
 996                 if (h->ae_algo->ops->get_fd_rule_cnt)
 997                         return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
 998                 return -EOPNOTSUPP;
 999         case ETHTOOL_GRXCLSRULE:
1000                 if (h->ae_algo->ops->get_fd_rule_info)
1001                         return h->ae_algo->ops->get_fd_rule_info(h, cmd);
1002                 return -EOPNOTSUPP;
1003         case ETHTOOL_GRXCLSRLALL:
1004                 if (h->ae_algo->ops->get_fd_all_rules)
1005                         return h->ae_algo->ops->get_fd_all_rules(h, cmd,
1006                                                                  rule_locs);
1007                 return -EOPNOTSUPP;
1008         default:
1009                 return -EOPNOTSUPP;
1010         }
1011 }
1012
1013 static const struct hns3_reset_type_map hns3_reset_type[] = {
1014         {ETH_RESET_MGMT, HNAE3_IMP_RESET},
1015         {ETH_RESET_ALL, HNAE3_GLOBAL_RESET},
1016         {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET},
1017 };
1018
1019 static const struct hns3_reset_type_map hns3vf_reset_type[] = {
1020         {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET},
1021 };
1022
1023 static int hns3_set_reset(struct net_device *netdev, u32 *flags)
1024 {
1025         enum hnae3_reset_type rst_type = HNAE3_NONE_RESET;
1026         struct hnae3_handle *h = hns3_get_handle(netdev);
1027         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
1028         const struct hnae3_ae_ops *ops = h->ae_algo->ops;
1029         const struct hns3_reset_type_map *rst_type_map;
1030         enum ethtool_reset_flags rst_flags;
1031         u32 i, size;
1032
1033         if (ops->ae_dev_resetting && ops->ae_dev_resetting(h))
1034                 return -EBUSY;
1035
1036         if (!ops->set_default_reset_request || !ops->reset_event)
1037                 return -EOPNOTSUPP;
1038
1039         if (h->flags & HNAE3_SUPPORT_VF) {
1040                 rst_type_map = hns3vf_reset_type;
1041                 size = ARRAY_SIZE(hns3vf_reset_type);
1042         } else {
1043                 rst_type_map = hns3_reset_type;
1044                 size = ARRAY_SIZE(hns3_reset_type);
1045         }
1046
1047         for (i = 0; i < size; i++) {
1048                 if (rst_type_map[i].rst_flags == *flags) {
1049                         rst_type = rst_type_map[i].rst_type;
1050                         rst_flags = rst_type_map[i].rst_flags;
1051                         break;
1052                 }
1053         }
1054
1055         if (rst_type == HNAE3_NONE_RESET ||
1056             (rst_type == HNAE3_IMP_RESET &&
1057              ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2))
1058                 return -EOPNOTSUPP;
1059
1060         netdev_info(netdev, "Setting reset type %d\n", rst_type);
1061
1062         ops->set_default_reset_request(ae_dev, rst_type);
1063
1064         ops->reset_event(h->pdev, h);
1065
1066         *flags &= ~rst_flags;
1067
1068         return 0;
1069 }
1070
1071 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
1072                                         u32 tx_desc_num, u32 rx_desc_num)
1073 {
1074         struct hnae3_handle *h = priv->ae_handle;
1075         int i;
1076
1077         h->kinfo.num_tx_desc = tx_desc_num;
1078         h->kinfo.num_rx_desc = rx_desc_num;
1079
1080         for (i = 0; i < h->kinfo.num_tqps; i++) {
1081                 priv->ring[i].desc_num = tx_desc_num;
1082                 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
1083         }
1084 }
1085
1086 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
1087 {
1088         struct hnae3_handle *handle = priv->ae_handle;
1089         struct hns3_enet_ring *tmp_rings;
1090         int i;
1091
1092         tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
1093                             sizeof(struct hns3_enet_ring), GFP_KERNEL);
1094         if (!tmp_rings)
1095                 return NULL;
1096
1097         for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
1098                 memcpy(&tmp_rings[i], &priv->ring[i],
1099                        sizeof(struct hns3_enet_ring));
1100                 tmp_rings[i].skb = NULL;
1101         }
1102
1103         return tmp_rings;
1104 }
1105
1106 static int hns3_check_ringparam(struct net_device *ndev,
1107                                 struct ethtool_ringparam *param,
1108                                 struct kernel_ethtool_ringparam *kernel_param)
1109 {
1110 #define RX_BUF_LEN_2K 2048
1111 #define RX_BUF_LEN_4K 4096
1112
1113         struct hns3_nic_priv *priv = netdev_priv(ndev);
1114
1115         if (hns3_nic_resetting(ndev) || !priv->ring) {
1116                 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n");
1117                 return -EBUSY;
1118         }
1119
1120
1121         if (param->rx_mini_pending || param->rx_jumbo_pending)
1122                 return -EINVAL;
1123
1124         if (kernel_param->rx_buf_len != RX_BUF_LEN_2K &&
1125             kernel_param->rx_buf_len != RX_BUF_LEN_4K) {
1126                 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n");
1127                 return -EINVAL;
1128         }
1129
1130         if (param->tx_pending > HNS3_RING_MAX_PENDING ||
1131             param->tx_pending < HNS3_RING_MIN_PENDING ||
1132             param->rx_pending > HNS3_RING_MAX_PENDING ||
1133             param->rx_pending < HNS3_RING_MIN_PENDING) {
1134                 netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
1135                            HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
1136                 return -EINVAL;
1137         }
1138
1139         return 0;
1140 }
1141
1142 static bool
1143 hns3_is_ringparam_changed(struct net_device *ndev,
1144                           struct ethtool_ringparam *param,
1145                           struct kernel_ethtool_ringparam *kernel_param,
1146                           struct hns3_ring_param *old_ringparam,
1147                           struct hns3_ring_param *new_ringparam)
1148 {
1149         struct hns3_nic_priv *priv = netdev_priv(ndev);
1150         struct hnae3_handle *h = priv->ae_handle;
1151         u16 queue_num = h->kinfo.num_tqps;
1152
1153         new_ringparam->tx_desc_num = ALIGN(param->tx_pending,
1154                                            HNS3_RING_BD_MULTIPLE);
1155         new_ringparam->rx_desc_num = ALIGN(param->rx_pending,
1156                                            HNS3_RING_BD_MULTIPLE);
1157         old_ringparam->tx_desc_num = priv->ring[0].desc_num;
1158         old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num;
1159         old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size;
1160         new_ringparam->rx_buf_len = kernel_param->rx_buf_len;
1161
1162         if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num &&
1163             old_ringparam->rx_desc_num == new_ringparam->rx_desc_num &&
1164             old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) {
1165                 netdev_info(ndev, "descriptor number and rx buffer length not changed\n");
1166                 return false;
1167         }
1168
1169         return true;
1170 }
1171
1172 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len)
1173 {
1174         struct hns3_nic_priv *priv = netdev_priv(ndev);
1175         struct hnae3_handle *h = priv->ae_handle;
1176         int i;
1177
1178         h->kinfo.rx_buf_len = rx_buf_len;
1179
1180         for (i = 0; i < h->kinfo.num_tqps; i++) {
1181                 h->kinfo.tqp[i]->buf_size = rx_buf_len;
1182                 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len;
1183         }
1184
1185         return 0;
1186 }
1187
1188 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push)
1189 {
1190         struct hns3_nic_priv *priv = netdev_priv(netdev);
1191         struct hnae3_handle *h = hns3_get_handle(netdev);
1192         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
1193         u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1194
1195         if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push)
1196                 return -EOPNOTSUPP;
1197
1198         if (tx_push == old_state)
1199                 return 0;
1200
1201         netdev_dbg(netdev, "Changing tx push from %s to %s\n",
1202                    old_state ? "on" : "off", tx_push ? "on" : "off");
1203
1204         if (tx_push)
1205                 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1206         else
1207                 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
1208
1209         return 0;
1210 }
1211
1212 static int hns3_set_ringparam(struct net_device *ndev,
1213                               struct ethtool_ringparam *param,
1214                               struct kernel_ethtool_ringparam *kernel_param,
1215                               struct netlink_ext_ack *extack)
1216 {
1217         struct hns3_ring_param old_ringparam, new_ringparam;
1218         struct hns3_nic_priv *priv = netdev_priv(ndev);
1219         struct hnae3_handle *h = priv->ae_handle;
1220         struct hns3_enet_ring *tmp_rings;
1221         bool if_running = netif_running(ndev);
1222         int ret, i;
1223
1224         ret = hns3_check_ringparam(ndev, param, kernel_param);
1225         if (ret)
1226                 return ret;
1227
1228         ret = hns3_set_tx_push(ndev, kernel_param->tx_push);
1229         if (ret)
1230                 return ret;
1231
1232         if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
1233                                        &old_ringparam, &new_ringparam))
1234                 return 0;
1235
1236         tmp_rings = hns3_backup_ringparam(priv);
1237         if (!tmp_rings) {
1238                 netdev_err(ndev, "backup ring param failed by allocating memory fail\n");
1239                 return -ENOMEM;
1240         }
1241
1242         netdev_info(ndev,
1243                     "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n",
1244                     old_ringparam.tx_desc_num, old_ringparam.rx_desc_num,
1245                     new_ringparam.tx_desc_num, new_ringparam.rx_desc_num,
1246                     old_ringparam.rx_buf_len, new_ringparam.rx_buf_len);
1247
1248         if (if_running)
1249                 ndev->netdev_ops->ndo_stop(ndev);
1250
1251         hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num,
1252                                     new_ringparam.rx_desc_num);
1253         hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len);
1254         ret = hns3_init_all_ring(priv);
1255         if (ret) {
1256                 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
1257                            ret);
1258
1259                 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len);
1260                 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num,
1261                                             old_ringparam.rx_desc_num);
1262                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1263                         memcpy(&priv->ring[i], &tmp_rings[i],
1264                                sizeof(struct hns3_enet_ring));
1265         } else {
1266                 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1267                         hns3_fini_ring(&tmp_rings[i]);
1268         }
1269
1270         kfree(tmp_rings);
1271
1272         if (if_running)
1273                 ret = ndev->netdev_ops->ndo_open(ndev);
1274
1275         return ret;
1276 }
1277
1278 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1279 {
1280         struct hnae3_handle *h = hns3_get_handle(netdev);
1281
1282         switch (cmd->cmd) {
1283         case ETHTOOL_SRXFH:
1284                 if (h->ae_algo->ops->set_rss_tuple)
1285                         return h->ae_algo->ops->set_rss_tuple(h, cmd);
1286                 return -EOPNOTSUPP;
1287         case ETHTOOL_SRXCLSRLINS:
1288                 if (h->ae_algo->ops->add_fd_entry)
1289                         return h->ae_algo->ops->add_fd_entry(h, cmd);
1290                 return -EOPNOTSUPP;
1291         case ETHTOOL_SRXCLSRLDEL:
1292                 if (h->ae_algo->ops->del_fd_entry)
1293                         return h->ae_algo->ops->del_fd_entry(h, cmd);
1294                 return -EOPNOTSUPP;
1295         default:
1296                 return -EOPNOTSUPP;
1297         }
1298 }
1299
1300 static int hns3_nway_reset(struct net_device *netdev)
1301 {
1302         struct hnae3_handle *handle = hns3_get_handle(netdev);
1303         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1304         struct phy_device *phy = netdev->phydev;
1305         int autoneg;
1306
1307         if (!netif_running(netdev))
1308                 return 0;
1309
1310         if (hns3_nic_resetting(netdev)) {
1311                 netdev_err(netdev, "dev resetting!");
1312                 return -EBUSY;
1313         }
1314
1315         if (!ops->get_autoneg || !ops->restart_autoneg)
1316                 return -EOPNOTSUPP;
1317
1318         autoneg = ops->get_autoneg(handle);
1319         if (autoneg != AUTONEG_ENABLE) {
1320                 netdev_err(netdev,
1321                            "Autoneg is off, don't support to restart it\n");
1322                 return -EINVAL;
1323         }
1324
1325         netif_dbg(handle, drv, netdev,
1326                   "nway reset (using %s)\n", phy ? "phy" : "mac");
1327
1328         if (phy)
1329                 return genphy_restart_aneg(phy);
1330
1331         return ops->restart_autoneg(handle);
1332 }
1333
1334 static void hns3_get_channels(struct net_device *netdev,
1335                               struct ethtool_channels *ch)
1336 {
1337         struct hnae3_handle *h = hns3_get_handle(netdev);
1338
1339         if (h->ae_algo->ops->get_channels)
1340                 h->ae_algo->ops->get_channels(h, ch);
1341 }
1342
1343 static int hns3_get_coalesce(struct net_device *netdev,
1344                              struct ethtool_coalesce *cmd,
1345                              struct kernel_ethtool_coalesce *kernel_coal,
1346                              struct netlink_ext_ack *extack)
1347 {
1348         struct hns3_nic_priv *priv = netdev_priv(netdev);
1349         struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
1350         struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1351         struct hnae3_handle *h = priv->ae_handle;
1352
1353         if (hns3_nic_resetting(netdev))
1354                 return -EBUSY;
1355
1356         cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
1357         cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
1358
1359         cmd->tx_coalesce_usecs = tx_coal->int_gl;
1360         cmd->rx_coalesce_usecs = rx_coal->int_gl;
1361
1362         cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1363         cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1364
1365         cmd->tx_max_coalesced_frames = tx_coal->int_ql;
1366         cmd->rx_max_coalesced_frames = rx_coal->int_ql;
1367
1368         kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode ==
1369                                         DIM_CQ_PERIOD_MODE_START_FROM_CQE);
1370         kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode ==
1371                                         DIM_CQ_PERIOD_MODE_START_FROM_CQE);
1372
1373         return 0;
1374 }
1375
1376 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1377                                        struct ethtool_coalesce *cmd)
1378 {
1379         struct hnae3_handle *handle = hns3_get_handle(netdev);
1380         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1381         u32 rx_gl, tx_gl;
1382
1383         if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1384                 netdev_err(netdev,
1385                            "invalid rx-usecs value, rx-usecs range is 0-%u\n",
1386                            ae_dev->dev_specs.max_int_gl);
1387                 return -EINVAL;
1388         }
1389
1390         if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1391                 netdev_err(netdev,
1392                            "invalid tx-usecs value, tx-usecs range is 0-%u\n",
1393                            ae_dev->dev_specs.max_int_gl);
1394                 return -EINVAL;
1395         }
1396
1397         /* device version above V3(include V3), GL uses 1us unit,
1398          * so the round down is not needed.
1399          */
1400         if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
1401                 return 0;
1402
1403         rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1404         if (rx_gl != cmd->rx_coalesce_usecs) {
1405                 netdev_info(netdev,
1406                             "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1407                             cmd->rx_coalesce_usecs, rx_gl);
1408         }
1409
1410         tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1411         if (tx_gl != cmd->tx_coalesce_usecs) {
1412                 netdev_info(netdev,
1413                             "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1414                             cmd->tx_coalesce_usecs, tx_gl);
1415         }
1416
1417         return 0;
1418 }
1419
1420 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1421                                        struct ethtool_coalesce *cmd)
1422 {
1423         u32 rl;
1424
1425         if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1426                 netdev_err(netdev,
1427                            "tx_usecs_high must be same as rx_usecs_high.\n");
1428                 return -EINVAL;
1429         }
1430
1431         if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1432                 netdev_err(netdev,
1433                            "Invalid usecs_high value, usecs_high range is 0-%d\n",
1434                            HNS3_INT_RL_MAX);
1435                 return -EINVAL;
1436         }
1437
1438         rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1439         if (rl != cmd->rx_coalesce_usecs_high) {
1440                 netdev_info(netdev,
1441                             "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1442                             cmd->rx_coalesce_usecs_high, rl);
1443         }
1444
1445         return 0;
1446 }
1447
1448 static int hns3_check_ql_coalesce_param(struct net_device *netdev,
1449                                         struct ethtool_coalesce *cmd)
1450 {
1451         struct hnae3_handle *handle = hns3_get_handle(netdev);
1452         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1453
1454         if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
1455             !ae_dev->dev_specs.int_ql_max) {
1456                 netdev_err(netdev, "coalesced frames is not supported\n");
1457                 return -EOPNOTSUPP;
1458         }
1459
1460         if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
1461             cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
1462                 netdev_err(netdev,
1463                            "invalid coalesced_frames value, range is 0-%u\n",
1464                            ae_dev->dev_specs.int_ql_max);
1465                 return -ERANGE;
1466         }
1467
1468         return 0;
1469 }
1470
1471 static int
1472 hns3_check_cqe_coalesce_param(struct net_device *netdev,
1473                               struct kernel_ethtool_coalesce *kernel_coal)
1474 {
1475         struct hnae3_handle *handle = hns3_get_handle(netdev);
1476         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1477
1478         if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) &&
1479             !hnae3_ae_dev_cq_supported(ae_dev)) {
1480                 netdev_err(netdev, "coalesced cqe mode is not supported\n");
1481                 return -EOPNOTSUPP;
1482         }
1483
1484         return 0;
1485 }
1486
1487 static int
1488 hns3_check_coalesce_para(struct net_device *netdev,
1489                          struct ethtool_coalesce *cmd,
1490                          struct kernel_ethtool_coalesce *kernel_coal)
1491 {
1492         int ret;
1493
1494         ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
1495         if (ret)
1496                 return ret;
1497
1498         ret = hns3_check_gl_coalesce_para(netdev, cmd);
1499         if (ret) {
1500                 netdev_err(netdev,
1501                            "Check gl coalesce param fail. ret = %d\n", ret);
1502                 return ret;
1503         }
1504
1505         ret = hns3_check_rl_coalesce_para(netdev, cmd);
1506         if (ret) {
1507                 netdev_err(netdev,
1508                            "Check rl coalesce param fail. ret = %d\n", ret);
1509                 return ret;
1510         }
1511
1512         return hns3_check_ql_coalesce_param(netdev, cmd);
1513 }
1514
1515 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1516                                         struct ethtool_coalesce *cmd,
1517                                         u32 queue)
1518 {
1519         struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1520         struct hns3_nic_priv *priv = netdev_priv(netdev);
1521         struct hnae3_handle *h = priv->ae_handle;
1522         int queue_num = h->kinfo.num_tqps;
1523
1524         tx_vector = priv->ring[queue].tqp_vector;
1525         rx_vector = priv->ring[queue_num + queue].tqp_vector;
1526
1527         tx_vector->tx_group.coal.adapt_enable =
1528                                 cmd->use_adaptive_tx_coalesce;
1529         rx_vector->rx_group.coal.adapt_enable =
1530                                 cmd->use_adaptive_rx_coalesce;
1531
1532         tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1533         rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1534
1535         tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
1536         rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
1537
1538         hns3_set_vector_coalesce_tx_gl(tx_vector,
1539                                        tx_vector->tx_group.coal.int_gl);
1540         hns3_set_vector_coalesce_rx_gl(rx_vector,
1541                                        rx_vector->rx_group.coal.int_gl);
1542
1543         hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1544         hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1545
1546         if (tx_vector->tx_group.coal.ql_enable)
1547                 hns3_set_vector_coalesce_tx_ql(tx_vector,
1548                                                tx_vector->tx_group.coal.int_ql);
1549         if (rx_vector->rx_group.coal.ql_enable)
1550                 hns3_set_vector_coalesce_rx_ql(rx_vector,
1551                                                rx_vector->rx_group.coal.int_ql);
1552 }
1553
1554 static int hns3_set_coalesce(struct net_device *netdev,
1555                              struct ethtool_coalesce *cmd,
1556                              struct kernel_ethtool_coalesce *kernel_coal,
1557                              struct netlink_ext_ack *extack)
1558 {
1559         struct hnae3_handle *h = hns3_get_handle(netdev);
1560         struct hns3_nic_priv *priv = netdev_priv(netdev);
1561         struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
1562         struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1563         u16 queue_num = h->kinfo.num_tqps;
1564         enum dim_cq_period_mode tx_mode;
1565         enum dim_cq_period_mode rx_mode;
1566         int ret;
1567         int i;
1568
1569         if (hns3_nic_resetting(netdev))
1570                 return -EBUSY;
1571
1572         ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
1573         if (ret)
1574                 return ret;
1575
1576         h->kinfo.int_rl_setting =
1577                 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1578
1579         tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce;
1580         rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce;
1581
1582         tx_coal->int_gl = cmd->tx_coalesce_usecs;
1583         rx_coal->int_gl = cmd->rx_coalesce_usecs;
1584
1585         tx_coal->int_ql = cmd->tx_max_coalesced_frames;
1586         rx_coal->int_ql = cmd->rx_max_coalesced_frames;
1587
1588         for (i = 0; i < queue_num; i++)
1589                 hns3_set_coalesce_per_queue(netdev, cmd, i);
1590
1591         tx_mode = kernel_coal->use_cqe_mode_tx ?
1592                   DIM_CQ_PERIOD_MODE_START_FROM_CQE :
1593                   DIM_CQ_PERIOD_MODE_START_FROM_EQE;
1594         rx_mode = kernel_coal->use_cqe_mode_rx ?
1595                   DIM_CQ_PERIOD_MODE_START_FROM_CQE :
1596                   DIM_CQ_PERIOD_MODE_START_FROM_EQE;
1597         hns3_cq_period_mode_init(priv, tx_mode, rx_mode);
1598
1599         return 0;
1600 }
1601
1602 static int hns3_get_regs_len(struct net_device *netdev)
1603 {
1604         struct hnae3_handle *h = hns3_get_handle(netdev);
1605
1606         if (!h->ae_algo->ops->get_regs_len)
1607                 return -EOPNOTSUPP;
1608
1609         return h->ae_algo->ops->get_regs_len(h);
1610 }
1611
1612 static void hns3_get_regs(struct net_device *netdev,
1613                           struct ethtool_regs *cmd, void *data)
1614 {
1615         struct hnae3_handle *h = hns3_get_handle(netdev);
1616
1617         if (!h->ae_algo->ops->get_regs)
1618                 return;
1619
1620         h->ae_algo->ops->get_regs(h, &cmd->version, data);
1621 }
1622
1623 static int hns3_set_phys_id(struct net_device *netdev,
1624                             enum ethtool_phys_id_state state)
1625 {
1626         struct hnae3_handle *h = hns3_get_handle(netdev);
1627
1628         if (!h->ae_algo->ops->set_led_id)
1629                 return -EOPNOTSUPP;
1630
1631         return h->ae_algo->ops->set_led_id(h, state);
1632 }
1633
1634 static u32 hns3_get_msglevel(struct net_device *netdev)
1635 {
1636         struct hnae3_handle *h = hns3_get_handle(netdev);
1637
1638         return h->msg_enable;
1639 }
1640
1641 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1642 {
1643         struct hnae3_handle *h = hns3_get_handle(netdev);
1644
1645         h->msg_enable = msg_level;
1646 }
1647
1648 static void hns3_get_fec_stats(struct net_device *netdev,
1649                                struct ethtool_fec_stats *fec_stats)
1650 {
1651         struct hnae3_handle *handle = hns3_get_handle(netdev);
1652         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1653         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1654
1655         if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats)
1656                 return;
1657
1658         ops->get_fec_stats(handle, fec_stats);
1659 }
1660
1661 /* Translate local fec value into ethtool value. */
1662 static unsigned int loc_to_eth_fec(u8 loc_fec)
1663 {
1664         u32 eth_fec = 0;
1665
1666         if (loc_fec & BIT(HNAE3_FEC_AUTO))
1667                 eth_fec |= ETHTOOL_FEC_AUTO;
1668         if (loc_fec & BIT(HNAE3_FEC_RS))
1669                 eth_fec |= ETHTOOL_FEC_RS;
1670         if (loc_fec & BIT(HNAE3_FEC_LLRS))
1671                 eth_fec |= ETHTOOL_FEC_LLRS;
1672         if (loc_fec & BIT(HNAE3_FEC_BASER))
1673                 eth_fec |= ETHTOOL_FEC_BASER;
1674         if (loc_fec & BIT(HNAE3_FEC_NONE))
1675                 eth_fec |= ETHTOOL_FEC_OFF;
1676
1677         return eth_fec;
1678 }
1679
1680 /* Translate ethtool fec value into local value. */
1681 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1682 {
1683         u32 loc_fec = 0;
1684
1685         if (eth_fec & ETHTOOL_FEC_OFF)
1686                 loc_fec |= BIT(HNAE3_FEC_NONE);
1687         if (eth_fec & ETHTOOL_FEC_AUTO)
1688                 loc_fec |= BIT(HNAE3_FEC_AUTO);
1689         if (eth_fec & ETHTOOL_FEC_RS)
1690                 loc_fec |= BIT(HNAE3_FEC_RS);
1691         if (eth_fec & ETHTOOL_FEC_LLRS)
1692                 loc_fec |= BIT(HNAE3_FEC_LLRS);
1693         if (eth_fec & ETHTOOL_FEC_BASER)
1694                 loc_fec |= BIT(HNAE3_FEC_BASER);
1695
1696         return loc_fec;
1697 }
1698
1699 static int hns3_get_fecparam(struct net_device *netdev,
1700                              struct ethtool_fecparam *fec)
1701 {
1702         struct hnae3_handle *handle = hns3_get_handle(netdev);
1703         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1704         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1705         u8 fec_ability;
1706         u8 fec_mode;
1707
1708         if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1709                 return -EOPNOTSUPP;
1710
1711         if (!ops->get_fec)
1712                 return -EOPNOTSUPP;
1713
1714         ops->get_fec(handle, &fec_ability, &fec_mode);
1715
1716         fec->fec = loc_to_eth_fec(fec_ability);
1717         fec->active_fec = loc_to_eth_fec(fec_mode);
1718         if (!fec->active_fec)
1719                 fec->active_fec = ETHTOOL_FEC_OFF;
1720
1721         return 0;
1722 }
1723
1724 static int hns3_set_fecparam(struct net_device *netdev,
1725                              struct ethtool_fecparam *fec)
1726 {
1727         struct hnae3_handle *handle = hns3_get_handle(netdev);
1728         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1729         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1730         u32 fec_mode;
1731
1732         if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1733                 return -EOPNOTSUPP;
1734
1735         if (!ops->set_fec)
1736                 return -EOPNOTSUPP;
1737         fec_mode = eth_to_loc_fec(fec->fec);
1738
1739         netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1740
1741         return ops->set_fec(handle, fec_mode);
1742 }
1743
1744 static int hns3_get_module_info(struct net_device *netdev,
1745                                 struct ethtool_modinfo *modinfo)
1746 {
1747 #define HNS3_SFF_8636_V1_3 0x03
1748
1749         struct hnae3_handle *handle = hns3_get_handle(netdev);
1750         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1751         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1752         struct hns3_sfp_type sfp_type;
1753         int ret;
1754
1755         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1756             !ops->get_module_eeprom)
1757                 return -EOPNOTSUPP;
1758
1759         memset(&sfp_type, 0, sizeof(sfp_type));
1760         ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
1761                                      (u8 *)&sfp_type);
1762         if (ret)
1763                 return ret;
1764
1765         switch (sfp_type.type) {
1766         case SFF8024_ID_SFP:
1767                 modinfo->type = ETH_MODULE_SFF_8472;
1768                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1769                 break;
1770         case SFF8024_ID_QSFP_8438:
1771                 modinfo->type = ETH_MODULE_SFF_8436;
1772                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1773                 break;
1774         case SFF8024_ID_QSFP_8436_8636:
1775                 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
1776                         modinfo->type = ETH_MODULE_SFF_8436;
1777                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1778                 } else {
1779                         modinfo->type = ETH_MODULE_SFF_8636;
1780                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1781                 }
1782                 break;
1783         case SFF8024_ID_QSFP28_8636:
1784                 modinfo->type = ETH_MODULE_SFF_8636;
1785                 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1786                 break;
1787         default:
1788                 netdev_err(netdev, "Optical module unknown: %#x\n",
1789                            sfp_type.type);
1790                 return -EINVAL;
1791         }
1792
1793         return 0;
1794 }
1795
1796 static int hns3_get_module_eeprom(struct net_device *netdev,
1797                                   struct ethtool_eeprom *ee, u8 *data)
1798 {
1799         struct hnae3_handle *handle = hns3_get_handle(netdev);
1800         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1801         const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1802
1803         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1804             !ops->get_module_eeprom)
1805                 return -EOPNOTSUPP;
1806
1807         if (!ee->len)
1808                 return -EINVAL;
1809
1810         memset(data, 0, ee->len);
1811
1812         return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
1813 }
1814
1815 static u32 hns3_get_priv_flags(struct net_device *netdev)
1816 {
1817         struct hnae3_handle *handle = hns3_get_handle(netdev);
1818
1819         return handle->priv_flags;
1820 }
1821
1822 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
1823 {
1824         u32 i;
1825
1826         for (i = 0; i < HNAE3_PFLAG_MAX; i++)
1827                 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
1828                         netdev_err(h->netdev, "%s is unsupported\n",
1829                                    hns3_priv_flags[i].name);
1830                         return -EOPNOTSUPP;
1831                 }
1832
1833         return 0;
1834 }
1835
1836 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
1837 {
1838         struct hnae3_handle *handle = hns3_get_handle(netdev);
1839         u32 changed = pflags ^ handle->priv_flags;
1840         int ret;
1841         u32 i;
1842
1843         ret = hns3_check_priv_flags(handle, changed);
1844         if (ret)
1845                 return ret;
1846
1847         for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
1848                 if (changed & BIT(i)) {
1849                         bool enable = !(handle->priv_flags & BIT(i));
1850
1851                         if (enable)
1852                                 handle->priv_flags |= BIT(i);
1853                         else
1854                                 handle->priv_flags &= ~BIT(i);
1855                         hns3_priv_flags[i].handler(netdev, enable);
1856                 }
1857         }
1858
1859         return 0;
1860 }
1861
1862 static int hns3_get_tunable(struct net_device *netdev,
1863                             const struct ethtool_tunable *tuna,
1864                             void *data)
1865 {
1866         struct hns3_nic_priv *priv = netdev_priv(netdev);
1867         struct hnae3_handle *h = priv->ae_handle;
1868         int ret = 0;
1869
1870         switch (tuna->id) {
1871         case ETHTOOL_TX_COPYBREAK:
1872                 /* all the tx rings have the same tx_copybreak */
1873                 *(u32 *)data = priv->tx_copybreak;
1874                 break;
1875         case ETHTOOL_RX_COPYBREAK:
1876                 *(u32 *)data = priv->rx_copybreak;
1877                 break;
1878         case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
1879                 *(u32 *)data = h->kinfo.tx_spare_buf_size;
1880                 break;
1881         default:
1882                 ret = -EOPNOTSUPP;
1883                 break;
1884         }
1885
1886         return ret;
1887 }
1888
1889 static int hns3_set_tx_spare_buf_size(struct net_device *netdev,
1890                                       u32 data)
1891 {
1892         struct hns3_nic_priv *priv = netdev_priv(netdev);
1893         struct hnae3_handle *h = priv->ae_handle;
1894         int ret;
1895
1896         h->kinfo.tx_spare_buf_size = data;
1897
1898         ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
1899         if (ret)
1900                 return ret;
1901
1902         ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
1903         if (ret)
1904                 return ret;
1905
1906         ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT);
1907         if (ret)
1908                 return ret;
1909
1910         ret = hns3_reset_notify(h, HNAE3_UP_CLIENT);
1911         if (ret)
1912                 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
1913
1914         return ret;
1915 }
1916
1917 static int hns3_set_tunable(struct net_device *netdev,
1918                             const struct ethtool_tunable *tuna,
1919                             const void *data)
1920 {
1921         struct hns3_nic_priv *priv = netdev_priv(netdev);
1922         u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
1923         struct hnae3_handle *h = priv->ae_handle;
1924         int i, ret = 0;
1925
1926         if (hns3_nic_resetting(netdev) || !priv->ring) {
1927                 netdev_err(netdev, "failed to set tunable value, dev resetting!");
1928                 return -EBUSY;
1929         }
1930
1931         switch (tuna->id) {
1932         case ETHTOOL_TX_COPYBREAK:
1933                 priv->tx_copybreak = *(u32 *)data;
1934
1935                 for (i = 0; i < h->kinfo.num_tqps; i++)
1936                         priv->ring[i].tx_copybreak = priv->tx_copybreak;
1937
1938                 break;
1939         case ETHTOOL_RX_COPYBREAK:
1940                 priv->rx_copybreak = *(u32 *)data;
1941
1942                 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++)
1943                         priv->ring[i].rx_copybreak = priv->rx_copybreak;
1944
1945                 break;
1946         case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
1947                 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
1948                 new_tx_spare_buf_size = *(u32 *)data;
1949                 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
1950                             old_tx_spare_buf_size, new_tx_spare_buf_size);
1951                 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
1952                 if (ret ||
1953                     (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
1954                         int ret1;
1955
1956                         netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n");
1957                         ret1 = hns3_set_tx_spare_buf_size(netdev,
1958                                                           old_tx_spare_buf_size);
1959                         if (ret1) {
1960                                 netdev_err(netdev, "revert to old tx spare buf size fail\n");
1961                                 return ret1;
1962                         }
1963
1964                         return ret;
1965                 }
1966
1967                 if (!priv->ring->tx_spare)
1968                         netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n");
1969                 else
1970                         netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n",
1971                                     priv->ring->tx_spare->len);
1972
1973                 break;
1974         default:
1975                 ret = -EOPNOTSUPP;
1976                 break;
1977         }
1978
1979         return ret;
1980 }
1981
1982 #define HNS3_ETHTOOL_COALESCE   (ETHTOOL_COALESCE_USECS |               \
1983                                  ETHTOOL_COALESCE_USE_ADAPTIVE |        \
1984                                  ETHTOOL_COALESCE_RX_USECS_HIGH |       \
1985                                  ETHTOOL_COALESCE_TX_USECS_HIGH |       \
1986                                  ETHTOOL_COALESCE_MAX_FRAMES |          \
1987                                  ETHTOOL_COALESCE_USE_CQE)
1988
1989 #define HNS3_ETHTOOL_RING       (ETHTOOL_RING_USE_RX_BUF_LEN |          \
1990                                  ETHTOOL_RING_USE_TX_PUSH)
1991
1992 static int hns3_get_ts_info(struct net_device *netdev,
1993                             struct ethtool_ts_info *info)
1994 {
1995         struct hnae3_handle *handle = hns3_get_handle(netdev);
1996
1997         if (handle->ae_algo->ops->get_ts_info)
1998                 return handle->ae_algo->ops->get_ts_info(handle, info);
1999
2000         return ethtool_op_get_ts_info(netdev, info);
2001 }
2002
2003 static const struct hns3_ethtool_link_ext_state_mapping
2004 hns3_link_ext_state_map[] = {
2005         {1, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2006                 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
2007         {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2008                 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
2009
2010         {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2011                 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
2012         {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2013                 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
2014         {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2015                 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
2016
2017         {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2018                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
2019         {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2020                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
2021         {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2022                 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
2023
2024         {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2025                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
2026         {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2027                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST},
2028         {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2029                 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS},
2030
2031         {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
2032         {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2033                 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2034
2035         {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
2036 };
2037
2038 static int hns3_get_link_ext_state(struct net_device *netdev,
2039                                    struct ethtool_link_ext_state_info *info)
2040 {
2041         const struct hns3_ethtool_link_ext_state_mapping *map;
2042         struct hnae3_handle *h = hns3_get_handle(netdev);
2043         u32 status_code, i;
2044         int ret;
2045
2046         if (netif_carrier_ok(netdev))
2047                 return -ENODATA;
2048
2049         if (!h->ae_algo->ops->get_link_diagnosis_info)
2050                 return -EOPNOTSUPP;
2051
2052         ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code);
2053         if (ret)
2054                 return ret;
2055
2056         for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) {
2057                 map = &hns3_link_ext_state_map[i];
2058                 if (map->status_code == status_code) {
2059                         info->link_ext_state = map->link_ext_state;
2060                         info->__link_ext_substate = map->link_ext_substate;
2061                         return 0;
2062                 }
2063         }
2064
2065         return -ENODATA;
2066 }
2067
2068 static const struct ethtool_ops hns3vf_ethtool_ops = {
2069         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2070         .supported_ring_params = HNS3_ETHTOOL_RING,
2071         .get_drvinfo = hns3_get_drvinfo,
2072         .get_ringparam = hns3_get_ringparam,
2073         .set_ringparam = hns3_set_ringparam,
2074         .get_strings = hns3_get_strings,
2075         .get_ethtool_stats = hns3_get_stats,
2076         .get_sset_count = hns3_get_sset_count,
2077         .get_rxnfc = hns3_get_rxnfc,
2078         .set_rxnfc = hns3_set_rxnfc,
2079         .get_rxfh_key_size = hns3_get_rss_key_size,
2080         .get_rxfh_indir_size = hns3_get_rss_indir_size,
2081         .get_rxfh = hns3_get_rss,
2082         .set_rxfh = hns3_set_rss,
2083         .get_link_ksettings = hns3_get_link_ksettings,
2084         .get_channels = hns3_get_channels,
2085         .set_channels = hns3_set_channels,
2086         .get_coalesce = hns3_get_coalesce,
2087         .set_coalesce = hns3_set_coalesce,
2088         .get_regs_len = hns3_get_regs_len,
2089         .get_regs = hns3_get_regs,
2090         .get_link = hns3_get_link,
2091         .get_msglevel = hns3_get_msglevel,
2092         .set_msglevel = hns3_set_msglevel,
2093         .get_priv_flags = hns3_get_priv_flags,
2094         .set_priv_flags = hns3_set_priv_flags,
2095         .get_tunable = hns3_get_tunable,
2096         .set_tunable = hns3_set_tunable,
2097         .reset = hns3_set_reset,
2098 };
2099
2100 static const struct ethtool_ops hns3_ethtool_ops = {
2101         .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2102         .supported_ring_params = HNS3_ETHTOOL_RING,
2103         .cap_link_lanes_supported = true,
2104         .self_test = hns3_self_test,
2105         .get_drvinfo = hns3_get_drvinfo,
2106         .get_link = hns3_get_link,
2107         .get_ringparam = hns3_get_ringparam,
2108         .set_ringparam = hns3_set_ringparam,
2109         .get_pauseparam = hns3_get_pauseparam,
2110         .set_pauseparam = hns3_set_pauseparam,
2111         .get_strings = hns3_get_strings,
2112         .get_ethtool_stats = hns3_get_stats,
2113         .get_sset_count = hns3_get_sset_count,
2114         .get_rxnfc = hns3_get_rxnfc,
2115         .set_rxnfc = hns3_set_rxnfc,
2116         .get_rxfh_key_size = hns3_get_rss_key_size,
2117         .get_rxfh_indir_size = hns3_get_rss_indir_size,
2118         .get_rxfh = hns3_get_rss,
2119         .set_rxfh = hns3_set_rss,
2120         .get_link_ksettings = hns3_get_link_ksettings,
2121         .set_link_ksettings = hns3_set_link_ksettings,
2122         .nway_reset = hns3_nway_reset,
2123         .get_channels = hns3_get_channels,
2124         .set_channels = hns3_set_channels,
2125         .get_coalesce = hns3_get_coalesce,
2126         .set_coalesce = hns3_set_coalesce,
2127         .get_regs_len = hns3_get_regs_len,
2128         .get_regs = hns3_get_regs,
2129         .set_phys_id = hns3_set_phys_id,
2130         .get_msglevel = hns3_get_msglevel,
2131         .set_msglevel = hns3_set_msglevel,
2132         .get_fecparam = hns3_get_fecparam,
2133         .set_fecparam = hns3_set_fecparam,
2134         .get_fec_stats = hns3_get_fec_stats,
2135         .get_module_info = hns3_get_module_info,
2136         .get_module_eeprom = hns3_get_module_eeprom,
2137         .get_priv_flags = hns3_get_priv_flags,
2138         .set_priv_flags = hns3_set_priv_flags,
2139         .get_ts_info = hns3_get_ts_info,
2140         .get_tunable = hns3_get_tunable,
2141         .set_tunable = hns3_set_tunable,
2142         .reset = hns3_set_reset,
2143         .get_link_ext_state = hns3_get_link_ext_state,
2144 };
2145
2146 void hns3_ethtool_set_ops(struct net_device *netdev)
2147 {
2148         struct hnae3_handle *h = hns3_get_handle(netdev);
2149
2150         if (h->flags & HNAE3_SUPPORT_VF)
2151                 netdev->ethtool_ops = &hns3vf_ethtool_ops;
2152         else
2153                 netdev->ethtool_ops = &hns3_ethtool_ops;
2154 }