1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/string.h> 6 #include <linux/phy.h> 7 8 #include "hns3_enet.h" 9 10 struct hns3_stats { 11 char stats_string[ETH_GSTRING_LEN]; 12 int stats_offset; 13 }; 14 15 /* tqp related stats */ 16 #define HNS3_TQP_STAT(_string, _member) { \ 17 .stats_string = _string, \ 18 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 19 offsetof(struct ring_stats, _member), \ 20 } 21 22 static const struct hns3_stats hns3_txq_stats[] = { 23 /* Tx per-queue statistics */ 24 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 25 HNS3_TQP_STAT("dropped", sw_err_cnt), 26 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 27 HNS3_TQP_STAT("packets", tx_pkts), 28 HNS3_TQP_STAT("bytes", tx_bytes), 29 HNS3_TQP_STAT("errors", tx_err_cnt), 30 HNS3_TQP_STAT("wake", restart_queue), 31 HNS3_TQP_STAT("busy", tx_busy), 32 }; 33 34 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 35 36 static const struct hns3_stats hns3_rxq_stats[] = { 37 /* Rx per-queue statistics */ 38 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 39 HNS3_TQP_STAT("dropped", sw_err_cnt), 40 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 41 HNS3_TQP_STAT("packets", rx_pkts), 42 HNS3_TQP_STAT("bytes", rx_bytes), 43 HNS3_TQP_STAT("errors", rx_err_cnt), 44 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 45 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 46 HNS3_TQP_STAT("non_vld_descs", non_vld_descs), 47 HNS3_TQP_STAT("err_bd_num", err_bd_num), 48 HNS3_TQP_STAT("l2_err", l2_err), 49 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 50 }; 51 52 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 53 54 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 55 56 #define HNS3_SELF_TEST_TYPE_NUM 3 57 #define HNS3_NIC_LB_TEST_PKT_NUM 1 58 #define HNS3_NIC_LB_TEST_RING_ID 0 59 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 60 61 /* Nic loopback test err */ 62 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 63 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 64 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 65 66 struct hns3_link_mode_mapping { 67 u32 hns3_link_mode; 68 u32 ethtool_link_mode; 69 }; 70 71 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 72 { 73 struct hnae3_handle *h = hns3_get_handle(ndev); 74 bool vlan_filter_enable; 75 int ret; 76 77 if (!h->ae_algo->ops->set_loopback || 78 !h->ae_algo->ops->set_promisc_mode) 79 return -EOPNOTSUPP; 80 81 switch (loop) { 82 case HNAE3_LOOP_SERIAL_SERDES: 83 case HNAE3_LOOP_PARALLEL_SERDES: 84 case HNAE3_LOOP_APP: 85 ret = h->ae_algo->ops->set_loopback(h, loop, en); 86 break; 87 default: 88 ret = -ENOTSUPP; 89 break; 90 } 91 92 if (ret) 93 return ret; 94 95 if (en) { 96 h->ae_algo->ops->set_promisc_mode(h, true, true); 97 } else { 98 /* recover promisc mode before loopback test */ 99 hns3_update_promisc_mode(ndev, h->netdev_flags); 100 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 101 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 102 } 103 104 return ret; 105 } 106 107 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 108 { 109 struct hnae3_handle *h = hns3_get_handle(ndev); 110 int ret; 111 112 ret = hns3_nic_reset_all_ring(h); 113 if (ret) 114 return ret; 115 116 ret = hns3_lp_setup(ndev, loop_mode, true); 117 usleep_range(10000, 20000); 118 119 return 0; 120 } 121 122 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 123 { 124 int ret; 125 126 ret = hns3_lp_setup(ndev, loop_mode, false); 127 if (ret) { 128 netdev_err(ndev, "lb_setup return error: %d\n", ret); 129 return ret; 130 } 131 132 usleep_range(10000, 20000); 133 134 return 0; 135 } 136 137 static void hns3_lp_setup_skb(struct sk_buff *skb) 138 { 139 struct net_device *ndev = skb->dev; 140 unsigned char *packet; 141 struct ethhdr *ethh; 142 unsigned int i; 143 144 skb_reserve(skb, NET_IP_ALIGN); 145 ethh = skb_put(skb, sizeof(struct ethhdr)); 146 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 147 148 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 149 ethh->h_dest[5] += 0x1f; 150 eth_zero_addr(ethh->h_source); 151 ethh->h_proto = htons(ETH_P_ARP); 152 skb_reset_mac_header(skb); 153 154 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 155 packet[i] = (unsigned char)(i & 0xff); 156 } 157 158 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 159 struct sk_buff *skb) 160 { 161 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 162 unsigned char *packet = skb->data; 163 u32 i; 164 165 for (i = 0; i < skb->len; i++) 166 if (packet[i] != (unsigned char)(i & 0xff)) 167 break; 168 169 /* The packet is correctly received */ 170 if (i == skb->len) 171 tqp_vector->rx_group.total_packets++; 172 else 173 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 174 skb->data, skb->len, true); 175 176 dev_kfree_skb_any(skb); 177 } 178 179 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 180 { 181 struct hnae3_handle *h = priv->ae_handle; 182 struct hnae3_knic_private_info *kinfo; 183 u32 i, rcv_good_pkt_total = 0; 184 185 kinfo = &h->kinfo; 186 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 187 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 188 struct hns3_enet_ring_group *rx_group; 189 u64 pre_rx_pkt; 190 191 rx_group = &ring->tqp_vector->rx_group; 192 pre_rx_pkt = rx_group->total_packets; 193 194 preempt_disable(); 195 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 196 preempt_enable(); 197 198 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 199 rx_group->total_packets = pre_rx_pkt; 200 } 201 return rcv_good_pkt_total; 202 } 203 204 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 205 u32 end_ringid, u32 budget) 206 { 207 u32 i; 208 209 for (i = start_ringid; i <= end_ringid; i++) { 210 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 211 212 hns3_clean_tx_ring(ring); 213 } 214 } 215 216 /** 217 * hns3_lp_run_test - run loopback test 218 * @ndev: net device 219 * @mode: loopback type 220 */ 221 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 222 { 223 struct hns3_nic_priv *priv = netdev_priv(ndev); 224 struct sk_buff *skb; 225 u32 i, good_cnt; 226 int ret_val = 0; 227 228 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 229 GFP_KERNEL); 230 if (!skb) 231 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 232 233 skb->dev = ndev; 234 hns3_lp_setup_skb(skb); 235 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 236 237 good_cnt = 0; 238 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 239 netdev_tx_t tx_ret; 240 241 skb_get(skb); 242 tx_ret = hns3_nic_net_xmit(skb, ndev); 243 if (tx_ret == NETDEV_TX_OK) 244 good_cnt++; 245 else 246 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 247 tx_ret); 248 } 249 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 250 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 251 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 252 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 253 goto out; 254 } 255 256 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 257 msleep(200); 258 259 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 260 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 261 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 262 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 263 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 264 } 265 266 out: 267 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 268 HNS3_NIC_LB_TEST_RING_ID, 269 HNS3_NIC_LB_TEST_PKT_NUM); 270 271 kfree_skb(skb); 272 return ret_val; 273 } 274 275 /** 276 * hns3_nic_self_test - self test 277 * @ndev: net device 278 * @eth_test: test cmd 279 * @data: test result 280 */ 281 static void hns3_self_test(struct net_device *ndev, 282 struct ethtool_test *eth_test, u64 *data) 283 { 284 struct hns3_nic_priv *priv = netdev_priv(ndev); 285 struct hnae3_handle *h = priv->ae_handle; 286 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 287 bool if_running = netif_running(ndev); 288 #if IS_ENABLED(CONFIG_VLAN_8021Q) 289 bool dis_vlan_filter; 290 #endif 291 int test_index = 0; 292 u32 i; 293 294 /* Only do offline selftest, or pass by default */ 295 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 296 return; 297 298 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 299 st_param[HNAE3_LOOP_APP][1] = 300 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 301 302 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 303 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 304 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 305 306 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 307 HNAE3_LOOP_PARALLEL_SERDES; 308 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 309 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 310 311 if (if_running) 312 ndev->netdev_ops->ndo_stop(ndev); 313 314 #if IS_ENABLED(CONFIG_VLAN_8021Q) 315 /* Disable the vlan filter for selftest does not support it */ 316 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 317 h->ae_algo->ops->enable_vlan_filter; 318 if (dis_vlan_filter) 319 h->ae_algo->ops->enable_vlan_filter(h, false); 320 #endif 321 322 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 323 324 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 325 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 326 327 if (!st_param[i][1]) 328 continue; 329 330 data[test_index] = hns3_lp_up(ndev, loop_type); 331 if (!data[test_index]) { 332 data[test_index] = hns3_lp_run_test(ndev, loop_type); 333 hns3_lp_down(ndev, loop_type); 334 } 335 336 if (data[test_index]) 337 eth_test->flags |= ETH_TEST_FL_FAILED; 338 339 test_index++; 340 } 341 342 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 343 344 #if IS_ENABLED(CONFIG_VLAN_8021Q) 345 if (dis_vlan_filter) 346 h->ae_algo->ops->enable_vlan_filter(h, true); 347 #endif 348 349 if (if_running) 350 ndev->netdev_ops->ndo_open(ndev); 351 } 352 353 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 354 { 355 struct hnae3_handle *h = hns3_get_handle(netdev); 356 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 357 358 if (!ops->get_sset_count) 359 return -EOPNOTSUPP; 360 361 switch (stringset) { 362 case ETH_SS_STATS: 363 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 364 ops->get_sset_count(h, stringset)); 365 366 case ETH_SS_TEST: 367 return ops->get_sset_count(h, stringset); 368 369 default: 370 return -EOPNOTSUPP; 371 } 372 } 373 374 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 375 u32 stat_count, u32 num_tqps, const char *prefix) 376 { 377 #define MAX_PREFIX_SIZE (6 + 4) 378 u32 size_left; 379 u32 i, j; 380 u32 n1; 381 382 for (i = 0; i < num_tqps; i++) { 383 for (j = 0; j < stat_count; j++) { 384 data[ETH_GSTRING_LEN - 1] = '\0'; 385 386 /* first, prepend the prefix string */ 387 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 388 prefix, i); 389 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 390 size_left = (ETH_GSTRING_LEN - 1) - n1; 391 392 /* now, concatenate the stats string to it */ 393 strncat(data, stats[j].stats_string, size_left); 394 data += ETH_GSTRING_LEN; 395 } 396 } 397 398 return data; 399 } 400 401 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 402 { 403 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 404 const char tx_prefix[] = "txq"; 405 const char rx_prefix[] = "rxq"; 406 407 /* get strings for Tx */ 408 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 409 kinfo->num_tqps, tx_prefix); 410 411 /* get strings for Rx */ 412 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 413 kinfo->num_tqps, rx_prefix); 414 415 return data; 416 } 417 418 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 419 { 420 struct hnae3_handle *h = hns3_get_handle(netdev); 421 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 422 char *buff = (char *)data; 423 424 if (!ops->get_strings) 425 return; 426 427 switch (stringset) { 428 case ETH_SS_STATS: 429 buff = hns3_get_strings_tqps(h, buff); 430 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 431 break; 432 case ETH_SS_TEST: 433 ops->get_strings(h, stringset, data); 434 break; 435 default: 436 break; 437 } 438 } 439 440 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 441 { 442 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 443 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 444 struct hns3_enet_ring *ring; 445 u8 *stat; 446 int i, j; 447 448 /* get stats for Tx */ 449 for (i = 0; i < kinfo->num_tqps; i++) { 450 ring = nic_priv->ring_data[i].ring; 451 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 452 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 453 *data++ = *(u64 *)stat; 454 } 455 } 456 457 /* get stats for Rx */ 458 for (i = 0; i < kinfo->num_tqps; i++) { 459 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 460 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 461 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 462 *data++ = *(u64 *)stat; 463 } 464 } 465 466 return data; 467 } 468 469 /* hns3_get_stats - get detail statistics. 470 * @netdev: net device 471 * @stats: statistics info. 472 * @data: statistics data. 473 */ 474 static void hns3_get_stats(struct net_device *netdev, 475 struct ethtool_stats *stats, u64 *data) 476 { 477 struct hnae3_handle *h = hns3_get_handle(netdev); 478 u64 *p = data; 479 480 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 481 netdev_err(netdev, "could not get any statistics\n"); 482 return; 483 } 484 485 h->ae_algo->ops->update_stats(h, &netdev->stats); 486 487 /* get per-queue stats */ 488 p = hns3_get_stats_tqps(h, p); 489 490 /* get MAC & other misc hardware stats */ 491 h->ae_algo->ops->get_stats(h, p); 492 } 493 494 static void hns3_get_drvinfo(struct net_device *netdev, 495 struct ethtool_drvinfo *drvinfo) 496 { 497 struct hns3_nic_priv *priv = netdev_priv(netdev); 498 struct hnae3_handle *h = priv->ae_handle; 499 500 strncpy(drvinfo->version, hns3_driver_version, 501 sizeof(drvinfo->version)); 502 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 503 504 strncpy(drvinfo->driver, h->pdev->driver->name, 505 sizeof(drvinfo->driver)); 506 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 507 508 strncpy(drvinfo->bus_info, pci_name(h->pdev), 509 sizeof(drvinfo->bus_info)); 510 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 511 512 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 513 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 514 } 515 516 static u32 hns3_get_link(struct net_device *netdev) 517 { 518 struct hnae3_handle *h = hns3_get_handle(netdev); 519 520 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 521 return h->ae_algo->ops->get_status(h); 522 else 523 return 0; 524 } 525 526 static void hns3_get_ringparam(struct net_device *netdev, 527 struct ethtool_ringparam *param) 528 { 529 struct hns3_nic_priv *priv = netdev_priv(netdev); 530 struct hnae3_handle *h = priv->ae_handle; 531 int queue_num = h->kinfo.num_tqps; 532 533 param->tx_max_pending = HNS3_RING_MAX_PENDING; 534 param->rx_max_pending = HNS3_RING_MAX_PENDING; 535 536 param->tx_pending = priv->ring_data[0].ring->desc_num; 537 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 538 } 539 540 static void hns3_get_pauseparam(struct net_device *netdev, 541 struct ethtool_pauseparam *param) 542 { 543 struct hnae3_handle *h = hns3_get_handle(netdev); 544 545 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 546 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 547 ¶m->rx_pause, ¶m->tx_pause); 548 } 549 550 static int hns3_set_pauseparam(struct net_device *netdev, 551 struct ethtool_pauseparam *param) 552 { 553 struct hnae3_handle *h = hns3_get_handle(netdev); 554 555 if (h->ae_algo->ops->set_pauseparam) 556 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 557 param->rx_pause, 558 param->tx_pause); 559 return -EOPNOTSUPP; 560 } 561 562 static void hns3_get_ksettings(struct hnae3_handle *h, 563 struct ethtool_link_ksettings *cmd) 564 { 565 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 566 567 /* 1.auto_neg & speed & duplex from cmd */ 568 if (ops->get_ksettings_an_result) 569 ops->get_ksettings_an_result(h, 570 &cmd->base.autoneg, 571 &cmd->base.speed, 572 &cmd->base.duplex); 573 574 /* 2.get link mode*/ 575 if (ops->get_link_mode) 576 ops->get_link_mode(h, 577 cmd->link_modes.supported, 578 cmd->link_modes.advertising); 579 580 /* 3.mdix_ctrl&mdix get from phy reg */ 581 if (ops->get_mdix_mode) 582 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 583 &cmd->base.eth_tp_mdix); 584 } 585 586 static int hns3_get_link_ksettings(struct net_device *netdev, 587 struct ethtool_link_ksettings *cmd) 588 { 589 struct hnae3_handle *h = hns3_get_handle(netdev); 590 const struct hnae3_ae_ops *ops; 591 u8 media_type; 592 u8 link_stat; 593 594 if (!h->ae_algo || !h->ae_algo->ops) 595 return -EOPNOTSUPP; 596 597 ops = h->ae_algo->ops; 598 if (ops->get_media_type) 599 ops->get_media_type(h, &media_type); 600 else 601 return -EOPNOTSUPP; 602 603 switch (media_type) { 604 case HNAE3_MEDIA_TYPE_NONE: 605 cmd->base.port = PORT_NONE; 606 hns3_get_ksettings(h, cmd); 607 break; 608 case HNAE3_MEDIA_TYPE_FIBER: 609 cmd->base.port = PORT_FIBRE; 610 hns3_get_ksettings(h, cmd); 611 break; 612 case HNAE3_MEDIA_TYPE_COPPER: 613 if (!netdev->phydev) 614 return -EOPNOTSUPP; 615 616 cmd->base.port = PORT_TP; 617 phy_ethtool_ksettings_get(netdev->phydev, cmd); 618 619 break; 620 default: 621 622 netdev_warn(netdev, "Unknown media type"); 623 return 0; 624 } 625 626 /* mdio_support */ 627 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 628 629 link_stat = hns3_get_link(netdev); 630 if (!link_stat) { 631 cmd->base.speed = SPEED_UNKNOWN; 632 cmd->base.duplex = DUPLEX_UNKNOWN; 633 } 634 635 return 0; 636 } 637 638 static int hns3_set_link_ksettings(struct net_device *netdev, 639 const struct ethtool_link_ksettings *cmd) 640 { 641 /* Only support ksettings_set for netdev with phy attached for now */ 642 if (netdev->phydev) 643 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 644 645 return -EOPNOTSUPP; 646 } 647 648 static u32 hns3_get_rss_key_size(struct net_device *netdev) 649 { 650 struct hnae3_handle *h = hns3_get_handle(netdev); 651 652 if (!h->ae_algo || !h->ae_algo->ops || 653 !h->ae_algo->ops->get_rss_key_size) 654 return 0; 655 656 return h->ae_algo->ops->get_rss_key_size(h); 657 } 658 659 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 660 { 661 struct hnae3_handle *h = hns3_get_handle(netdev); 662 663 if (!h->ae_algo || !h->ae_algo->ops || 664 !h->ae_algo->ops->get_rss_indir_size) 665 return 0; 666 667 return h->ae_algo->ops->get_rss_indir_size(h); 668 } 669 670 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 671 u8 *hfunc) 672 { 673 struct hnae3_handle *h = hns3_get_handle(netdev); 674 675 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 676 return -EOPNOTSUPP; 677 678 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 679 } 680 681 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 682 const u8 *key, const u8 hfunc) 683 { 684 struct hnae3_handle *h = hns3_get_handle(netdev); 685 686 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 687 return -EOPNOTSUPP; 688 689 if ((h->pdev->revision == 0x20 && 690 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 691 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 692 netdev_err(netdev, "hash func not supported\n"); 693 return -EOPNOTSUPP; 694 } 695 696 if (!indir) { 697 netdev_err(netdev, 698 "set rss failed for indir is empty\n"); 699 return -EOPNOTSUPP; 700 } 701 702 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 703 } 704 705 static int hns3_get_rxnfc(struct net_device *netdev, 706 struct ethtool_rxnfc *cmd, 707 u32 *rule_locs) 708 { 709 struct hnae3_handle *h = hns3_get_handle(netdev); 710 711 if (!h->ae_algo || !h->ae_algo->ops) 712 return -EOPNOTSUPP; 713 714 switch (cmd->cmd) { 715 case ETHTOOL_GRXRINGS: 716 cmd->data = h->kinfo.num_tqps; 717 return 0; 718 case ETHTOOL_GRXFH: 719 if (h->ae_algo->ops->get_rss_tuple) 720 return h->ae_algo->ops->get_rss_tuple(h, cmd); 721 return -EOPNOTSUPP; 722 case ETHTOOL_GRXCLSRLCNT: 723 if (h->ae_algo->ops->get_fd_rule_cnt) 724 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 725 return -EOPNOTSUPP; 726 case ETHTOOL_GRXCLSRULE: 727 if (h->ae_algo->ops->get_fd_rule_info) 728 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 729 return -EOPNOTSUPP; 730 case ETHTOOL_GRXCLSRLALL: 731 if (h->ae_algo->ops->get_fd_all_rules) 732 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 733 rule_locs); 734 return -EOPNOTSUPP; 735 default: 736 return -EOPNOTSUPP; 737 } 738 } 739 740 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 741 u32 new_desc_num) 742 { 743 struct hnae3_handle *h = priv->ae_handle; 744 int i; 745 746 h->kinfo.num_desc = new_desc_num; 747 748 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 749 priv->ring_data[i].ring->desc_num = new_desc_num; 750 751 return hns3_init_all_ring(priv); 752 } 753 754 static int hns3_set_ringparam(struct net_device *ndev, 755 struct ethtool_ringparam *param) 756 { 757 struct hns3_nic_priv *priv = netdev_priv(ndev); 758 struct hnae3_handle *h = priv->ae_handle; 759 bool if_running = netif_running(ndev); 760 u32 old_desc_num, new_desc_num; 761 int ret; 762 763 if (param->rx_mini_pending || param->rx_jumbo_pending) 764 return -EINVAL; 765 766 if (param->tx_pending != param->rx_pending) { 767 netdev_err(ndev, 768 "Descriptors of tx and rx must be equal"); 769 return -EINVAL; 770 } 771 772 if (param->tx_pending > HNS3_RING_MAX_PENDING || 773 param->tx_pending < HNS3_RING_MIN_PENDING) { 774 netdev_err(ndev, 775 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 776 param->tx_pending, HNS3_RING_MIN_PENDING, 777 HNS3_RING_MAX_PENDING); 778 return -EINVAL; 779 } 780 781 new_desc_num = param->tx_pending; 782 783 /* Hardware requires that its descriptors must be multiple of eight */ 784 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 785 old_desc_num = h->kinfo.num_desc; 786 if (old_desc_num == new_desc_num) 787 return 0; 788 789 netdev_info(ndev, 790 "Changing descriptor count from %d to %d.\n", 791 old_desc_num, new_desc_num); 792 793 if (if_running) 794 dev_close(ndev); 795 796 ret = hns3_uninit_all_ring(priv); 797 if (ret) 798 return ret; 799 800 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 801 if (ret) { 802 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 803 if (ret) { 804 netdev_err(ndev, 805 "Revert to old bd num fail, ret=%d.\n", ret); 806 return ret; 807 } 808 } 809 810 if (if_running) 811 ret = dev_open(ndev); 812 813 return ret; 814 } 815 816 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 817 { 818 struct hnae3_handle *h = hns3_get_handle(netdev); 819 820 if (!h->ae_algo || !h->ae_algo->ops) 821 return -EOPNOTSUPP; 822 823 switch (cmd->cmd) { 824 case ETHTOOL_SRXFH: 825 if (h->ae_algo->ops->set_rss_tuple) 826 return h->ae_algo->ops->set_rss_tuple(h, cmd); 827 return -EOPNOTSUPP; 828 case ETHTOOL_SRXCLSRLINS: 829 if (h->ae_algo->ops->add_fd_entry) 830 return h->ae_algo->ops->add_fd_entry(h, cmd); 831 return -EOPNOTSUPP; 832 case ETHTOOL_SRXCLSRLDEL: 833 if (h->ae_algo->ops->del_fd_entry) 834 return h->ae_algo->ops->del_fd_entry(h, cmd); 835 return -EOPNOTSUPP; 836 default: 837 return -EOPNOTSUPP; 838 } 839 } 840 841 static int hns3_nway_reset(struct net_device *netdev) 842 { 843 struct phy_device *phy = netdev->phydev; 844 845 if (!netif_running(netdev)) 846 return 0; 847 848 /* Only support nway_reset for netdev with phy attached for now */ 849 if (!phy) 850 return -EOPNOTSUPP; 851 852 if (phy->autoneg != AUTONEG_ENABLE) 853 return -EINVAL; 854 855 return genphy_restart_aneg(phy); 856 } 857 858 static void hns3_get_channels(struct net_device *netdev, 859 struct ethtool_channels *ch) 860 { 861 struct hnae3_handle *h = hns3_get_handle(netdev); 862 863 if (h->ae_algo->ops->get_channels) 864 h->ae_algo->ops->get_channels(h, ch); 865 } 866 867 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 868 struct ethtool_coalesce *cmd) 869 { 870 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 871 struct hns3_nic_priv *priv = netdev_priv(netdev); 872 struct hnae3_handle *h = priv->ae_handle; 873 u16 queue_num = h->kinfo.num_tqps; 874 875 if (queue >= queue_num) { 876 netdev_err(netdev, 877 "Invalid queue value %d! Queue max id=%d\n", 878 queue, queue_num - 1); 879 return -EINVAL; 880 } 881 882 tx_vector = priv->ring_data[queue].ring->tqp_vector; 883 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 884 885 cmd->use_adaptive_tx_coalesce = 886 tx_vector->tx_group.coal.gl_adapt_enable; 887 cmd->use_adaptive_rx_coalesce = 888 rx_vector->rx_group.coal.gl_adapt_enable; 889 890 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 891 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 892 893 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 894 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 895 896 return 0; 897 } 898 899 static int hns3_get_coalesce(struct net_device *netdev, 900 struct ethtool_coalesce *cmd) 901 { 902 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 903 } 904 905 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 906 struct ethtool_coalesce *cmd) 907 { 908 u32 rx_gl, tx_gl; 909 910 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 911 netdev_err(netdev, 912 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 913 HNS3_INT_GL_MAX); 914 return -EINVAL; 915 } 916 917 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 918 netdev_err(netdev, 919 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 920 HNS3_INT_GL_MAX); 921 return -EINVAL; 922 } 923 924 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 925 if (rx_gl != cmd->rx_coalesce_usecs) { 926 netdev_info(netdev, 927 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 928 cmd->rx_coalesce_usecs, rx_gl); 929 } 930 931 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 932 if (tx_gl != cmd->tx_coalesce_usecs) { 933 netdev_info(netdev, 934 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 935 cmd->tx_coalesce_usecs, tx_gl); 936 } 937 938 return 0; 939 } 940 941 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 942 struct ethtool_coalesce *cmd) 943 { 944 u32 rl; 945 946 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 947 netdev_err(netdev, 948 "tx_usecs_high must be same as rx_usecs_high.\n"); 949 return -EINVAL; 950 } 951 952 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 953 netdev_err(netdev, 954 "Invalid usecs_high value, usecs_high range is 0-%d\n", 955 HNS3_INT_RL_MAX); 956 return -EINVAL; 957 } 958 959 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 960 if (rl != cmd->rx_coalesce_usecs_high) { 961 netdev_info(netdev, 962 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 963 cmd->rx_coalesce_usecs_high, rl); 964 } 965 966 return 0; 967 } 968 969 static int hns3_check_coalesce_para(struct net_device *netdev, 970 struct ethtool_coalesce *cmd) 971 { 972 int ret; 973 974 ret = hns3_check_gl_coalesce_para(netdev, cmd); 975 if (ret) { 976 netdev_err(netdev, 977 "Check gl coalesce param fail. ret = %d\n", ret); 978 return ret; 979 } 980 981 ret = hns3_check_rl_coalesce_para(netdev, cmd); 982 if (ret) { 983 netdev_err(netdev, 984 "Check rl coalesce param fail. ret = %d\n", ret); 985 return ret; 986 } 987 988 if (cmd->use_adaptive_tx_coalesce == 1 || 989 cmd->use_adaptive_rx_coalesce == 1) { 990 netdev_info(netdev, 991 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 992 cmd->use_adaptive_tx_coalesce, 993 cmd->use_adaptive_rx_coalesce); 994 } 995 996 return 0; 997 } 998 999 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1000 struct ethtool_coalesce *cmd, 1001 u32 queue) 1002 { 1003 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1004 struct hns3_nic_priv *priv = netdev_priv(netdev); 1005 struct hnae3_handle *h = priv->ae_handle; 1006 int queue_num = h->kinfo.num_tqps; 1007 1008 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1009 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1010 1011 tx_vector->tx_group.coal.gl_adapt_enable = 1012 cmd->use_adaptive_tx_coalesce; 1013 rx_vector->rx_group.coal.gl_adapt_enable = 1014 cmd->use_adaptive_rx_coalesce; 1015 1016 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1017 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1018 1019 hns3_set_vector_coalesce_tx_gl(tx_vector, 1020 tx_vector->tx_group.coal.int_gl); 1021 hns3_set_vector_coalesce_rx_gl(rx_vector, 1022 rx_vector->rx_group.coal.int_gl); 1023 1024 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1025 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1026 } 1027 1028 static int hns3_set_coalesce(struct net_device *netdev, 1029 struct ethtool_coalesce *cmd) 1030 { 1031 struct hnae3_handle *h = hns3_get_handle(netdev); 1032 u16 queue_num = h->kinfo.num_tqps; 1033 int ret; 1034 int i; 1035 1036 ret = hns3_check_coalesce_para(netdev, cmd); 1037 if (ret) 1038 return ret; 1039 1040 h->kinfo.int_rl_setting = 1041 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1042 1043 for (i = 0; i < queue_num; i++) 1044 hns3_set_coalesce_per_queue(netdev, cmd, i); 1045 1046 return 0; 1047 } 1048 1049 static int hns3_get_regs_len(struct net_device *netdev) 1050 { 1051 struct hnae3_handle *h = hns3_get_handle(netdev); 1052 1053 if (!h->ae_algo->ops->get_regs_len) 1054 return -EOPNOTSUPP; 1055 1056 return h->ae_algo->ops->get_regs_len(h); 1057 } 1058 1059 static void hns3_get_regs(struct net_device *netdev, 1060 struct ethtool_regs *cmd, void *data) 1061 { 1062 struct hnae3_handle *h = hns3_get_handle(netdev); 1063 1064 if (!h->ae_algo->ops->get_regs) 1065 return; 1066 1067 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1068 } 1069 1070 static int hns3_set_phys_id(struct net_device *netdev, 1071 enum ethtool_phys_id_state state) 1072 { 1073 struct hnae3_handle *h = hns3_get_handle(netdev); 1074 1075 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) 1076 return -EOPNOTSUPP; 1077 1078 return h->ae_algo->ops->set_led_id(h, state); 1079 } 1080 1081 static const struct ethtool_ops hns3vf_ethtool_ops = { 1082 .get_drvinfo = hns3_get_drvinfo, 1083 .get_ringparam = hns3_get_ringparam, 1084 .set_ringparam = hns3_set_ringparam, 1085 .get_strings = hns3_get_strings, 1086 .get_ethtool_stats = hns3_get_stats, 1087 .get_sset_count = hns3_get_sset_count, 1088 .get_rxnfc = hns3_get_rxnfc, 1089 .set_rxnfc = hns3_set_rxnfc, 1090 .get_rxfh_key_size = hns3_get_rss_key_size, 1091 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1092 .get_rxfh = hns3_get_rss, 1093 .set_rxfh = hns3_set_rss, 1094 .get_link_ksettings = hns3_get_link_ksettings, 1095 .get_channels = hns3_get_channels, 1096 .get_coalesce = hns3_get_coalesce, 1097 .set_coalesce = hns3_set_coalesce, 1098 .get_link = hns3_get_link, 1099 }; 1100 1101 static const struct ethtool_ops hns3_ethtool_ops = { 1102 .self_test = hns3_self_test, 1103 .get_drvinfo = hns3_get_drvinfo, 1104 .get_link = hns3_get_link, 1105 .get_ringparam = hns3_get_ringparam, 1106 .set_ringparam = hns3_set_ringparam, 1107 .get_pauseparam = hns3_get_pauseparam, 1108 .set_pauseparam = hns3_set_pauseparam, 1109 .get_strings = hns3_get_strings, 1110 .get_ethtool_stats = hns3_get_stats, 1111 .get_sset_count = hns3_get_sset_count, 1112 .get_rxnfc = hns3_get_rxnfc, 1113 .set_rxnfc = hns3_set_rxnfc, 1114 .get_rxfh_key_size = hns3_get_rss_key_size, 1115 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1116 .get_rxfh = hns3_get_rss, 1117 .set_rxfh = hns3_set_rss, 1118 .get_link_ksettings = hns3_get_link_ksettings, 1119 .set_link_ksettings = hns3_set_link_ksettings, 1120 .nway_reset = hns3_nway_reset, 1121 .get_channels = hns3_get_channels, 1122 .set_channels = hns3_set_channels, 1123 .get_coalesce = hns3_get_coalesce, 1124 .set_coalesce = hns3_set_coalesce, 1125 .get_regs_len = hns3_get_regs_len, 1126 .get_regs = hns3_get_regs, 1127 .set_phys_id = hns3_set_phys_id, 1128 }; 1129 1130 void hns3_ethtool_set_ops(struct net_device *netdev) 1131 { 1132 struct hnae3_handle *h = hns3_get_handle(netdev); 1133 1134 if (h->flags & HNAE3_SUPPORT_VF) 1135 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1136 else 1137 netdev->ethtool_ops = &hns3_ethtool_ops; 1138 } 1139