1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2014-2015 Hisilicon Limited. 4 */ 5 6 #include <linux/etherdevice.h> 7 #include <linux/interrupt.h> 8 #include <linux/module.h> 9 #include <linux/platform_device.h> 10 #include "hns_enet.h" 11 12 #define HNS_PHY_PAGE_MDIX 0 13 #define HNS_PHY_PAGE_LED 3 14 #define HNS_PHY_PAGE_COPPER 0 15 16 #define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */ 17 #define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */ 18 #define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */ 19 #define HNS_LED_FC_REG 16 /* LED Function Control Reg. */ 20 #define HNS_LED_PC_REG 17 /* LED Polarity Control Reg. */ 21 22 #define HNS_LED_FORCE_ON 9 23 #define HNS_LED_FORCE_OFF 8 24 25 #define HNS_CHIP_VERSION 660 26 #define HNS_NET_STATS_CNT 26 27 28 #define PHY_MDIX_CTRL_S (5) 29 #define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S) 30 31 #define PHY_MDIX_STATUS_B (6) 32 #define PHY_SPEED_DUP_RESOLVE_B (11) 33 34 /** 35 *hns_nic_get_link - get current link status 36 *@net_dev: net_device 37 *retuen 0 - success , negative --fail 38 */ 39 static u32 hns_nic_get_link(struct net_device *net_dev) 40 { 41 struct hns_nic_priv *priv = netdev_priv(net_dev); 42 u32 link_stat = priv->link; 43 struct hnae_handle *h; 44 45 h = priv->ae_handle; 46 47 if (net_dev->phydev) { 48 if (!genphy_read_status(net_dev->phydev)) 49 link_stat = net_dev->phydev->link; 50 else 51 link_stat = 0; 52 } 53 54 if (h->dev && h->dev->ops && h->dev->ops->get_status) 55 link_stat = link_stat && h->dev->ops->get_status(h); 56 else 57 link_stat = 0; 58 59 return link_stat; 60 } 61 62 static void hns_get_mdix_mode(struct net_device *net_dev, 63 struct ethtool_link_ksettings *cmd) 64 { 65 int mdix_ctrl, mdix, retval, is_resolved; 66 struct phy_device *phy_dev = net_dev->phydev; 67 68 if (!phy_dev || !phy_dev->mdio.bus) { 69 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; 70 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; 71 return; 72 } 73 74 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX); 75 76 retval = phy_read(phy_dev, HNS_PHY_CSC_REG); 77 mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S); 78 79 retval = phy_read(phy_dev, HNS_PHY_CSS_REG); 80 mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B); 81 is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B); 82 83 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER); 84 85 switch (mdix_ctrl) { 86 case 0x0: 87 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI; 88 break; 89 case 0x1: 90 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X; 91 break; 92 case 0x3: 93 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; 94 break; 95 default: 96 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; 97 break; 98 } 99 100 if (!is_resolved) 101 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID; 102 else if (mdix) 103 cmd->base.eth_tp_mdix = ETH_TP_MDI_X; 104 else 105 cmd->base.eth_tp_mdix = ETH_TP_MDI; 106 } 107 108 /** 109 *hns_nic_get_link_ksettings - implement ethtool get link ksettings 110 *@net_dev: net_device 111 *@cmd: ethtool_link_ksettings 112 *retuen 0 - success , negative --fail 113 */ 114 static int hns_nic_get_link_ksettings(struct net_device *net_dev, 115 struct ethtool_link_ksettings *cmd) 116 { 117 struct hns_nic_priv *priv = netdev_priv(net_dev); 118 struct hnae_handle *h; 119 u32 link_stat; 120 int ret; 121 u8 duplex; 122 u16 speed; 123 u32 supported, advertising; 124 125 if (!priv || !priv->ae_handle) 126 return -ESRCH; 127 128 h = priv->ae_handle; 129 if (!h->dev || !h->dev->ops || !h->dev->ops->get_info) 130 return -ESRCH; 131 132 ret = h->dev->ops->get_info(h, NULL, &speed, &duplex); 133 if (ret < 0) { 134 netdev_err(net_dev, "%s get_info error!\n", __func__); 135 return -EINVAL; 136 } 137 138 ethtool_convert_link_mode_to_legacy_u32(&supported, 139 cmd->link_modes.supported); 140 ethtool_convert_link_mode_to_legacy_u32(&advertising, 141 cmd->link_modes.advertising); 142 143 /* When there is no phy, autoneg is off. */ 144 cmd->base.autoneg = false; 145 cmd->base.speed = speed; 146 cmd->base.duplex = duplex; 147 148 if (net_dev->phydev) 149 phy_ethtool_ksettings_get(net_dev->phydev, cmd); 150 151 link_stat = hns_nic_get_link(net_dev); 152 if (!link_stat) { 153 cmd->base.speed = (u32)SPEED_UNKNOWN; 154 cmd->base.duplex = DUPLEX_UNKNOWN; 155 } 156 157 if (cmd->base.autoneg) 158 advertising |= ADVERTISED_Autoneg; 159 160 supported |= h->if_support; 161 if (h->phy_if == PHY_INTERFACE_MODE_SGMII) { 162 supported |= SUPPORTED_TP; 163 advertising |= ADVERTISED_1000baseT_Full; 164 } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) { 165 supported |= SUPPORTED_FIBRE; 166 advertising |= ADVERTISED_10000baseKR_Full; 167 } 168 169 switch (h->media_type) { 170 case HNAE_MEDIA_TYPE_FIBER: 171 cmd->base.port = PORT_FIBRE; 172 break; 173 case HNAE_MEDIA_TYPE_COPPER: 174 cmd->base.port = PORT_TP; 175 break; 176 case HNAE_MEDIA_TYPE_UNKNOWN: 177 default: 178 break; 179 } 180 181 if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG)) 182 supported |= SUPPORTED_Pause; 183 184 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 185 supported); 186 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 187 advertising); 188 189 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22; 190 hns_get_mdix_mode(net_dev, cmd); 191 192 return 0; 193 } 194 195 /** 196 *hns_nic_set_link_settings - implement ethtool set link ksettings 197 *@net_dev: net_device 198 *@cmd: ethtool_link_ksettings 199 *retuen 0 - success , negative --fail 200 */ 201 static int hns_nic_set_link_ksettings(struct net_device *net_dev, 202 const struct ethtool_link_ksettings *cmd) 203 { 204 struct hns_nic_priv *priv = netdev_priv(net_dev); 205 struct hnae_handle *h; 206 u32 speed; 207 208 if (!netif_running(net_dev)) 209 return -ESRCH; 210 211 if (!priv || !priv->ae_handle || !priv->ae_handle->dev || 212 !priv->ae_handle->dev->ops) 213 return -ENODEV; 214 215 h = priv->ae_handle; 216 speed = cmd->base.speed; 217 218 if (h->phy_if == PHY_INTERFACE_MODE_XGMII) { 219 if (cmd->base.autoneg == AUTONEG_ENABLE || 220 speed != SPEED_10000 || 221 cmd->base.duplex != DUPLEX_FULL) 222 return -EINVAL; 223 } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) { 224 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE) 225 return -EINVAL; 226 227 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 228 return -EINVAL; 229 if (net_dev->phydev) 230 return phy_ethtool_ksettings_set(net_dev->phydev, cmd); 231 232 if ((speed != SPEED_10 && speed != SPEED_100 && 233 speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF && 234 cmd->base.duplex != DUPLEX_FULL)) 235 return -EINVAL; 236 } else { 237 netdev_err(net_dev, "Not supported!"); 238 return -ENOTSUPP; 239 } 240 241 if (h->dev->ops->adjust_link) { 242 netif_carrier_off(net_dev); 243 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex); 244 netif_carrier_on(net_dev); 245 return 0; 246 } 247 248 netdev_err(net_dev, "Not supported!"); 249 return -ENOTSUPP; 250 } 251 252 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = { 253 "Mac Loopback test", 254 "Serdes Loopback test", 255 "Phy Loopback test" 256 }; 257 258 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) 259 { 260 int err; 261 262 if (en) { 263 /* Doing phy loopback in offline state, phy resuming is 264 * needed to power up the device. 265 */ 266 err = phy_resume(phy_dev); 267 if (err) 268 goto out; 269 270 err = phy_loopback(phy_dev, true); 271 } else { 272 err = phy_loopback(phy_dev, false); 273 if (err) 274 goto out; 275 276 err = phy_suspend(phy_dev); 277 } 278 279 out: 280 return err; 281 } 282 283 static int __lb_setup(struct net_device *ndev, 284 enum hnae_loop loop) 285 { 286 int ret = 0; 287 struct hns_nic_priv *priv = netdev_priv(ndev); 288 struct phy_device *phy_dev = ndev->phydev; 289 struct hnae_handle *h = priv->ae_handle; 290 291 switch (loop) { 292 case MAC_INTERNALLOOP_PHY: 293 ret = hns_nic_config_phy_loopback(phy_dev, 0x1); 294 if (!ret) 295 ret = h->dev->ops->set_loopback(h, loop, 0x1); 296 break; 297 case MAC_INTERNALLOOP_MAC: 298 if ((h->dev->ops->set_loopback) && 299 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)) 300 ret = h->dev->ops->set_loopback(h, loop, 0x1); 301 break; 302 case MAC_INTERNALLOOP_SERDES: 303 if (h->dev->ops->set_loopback) 304 ret = h->dev->ops->set_loopback(h, loop, 0x1); 305 break; 306 case MAC_LOOP_PHY_NONE: 307 ret = hns_nic_config_phy_loopback(phy_dev, 0x0); 308 /* fall through */ 309 case MAC_LOOP_NONE: 310 if (!ret && h->dev->ops->set_loopback) { 311 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) 312 ret = h->dev->ops->set_loopback(h, 313 MAC_INTERNALLOOP_MAC, 0x0); 314 315 if (!ret) 316 ret = h->dev->ops->set_loopback(h, 317 MAC_INTERNALLOOP_SERDES, 0x0); 318 } 319 break; 320 default: 321 ret = -EINVAL; 322 break; 323 } 324 325 if (!ret) { 326 if (loop == MAC_LOOP_NONE) 327 h->dev->ops->set_promisc_mode( 328 h, ndev->flags & IFF_PROMISC); 329 else 330 h->dev->ops->set_promisc_mode(h, 1); 331 } 332 return ret; 333 } 334 335 static int __lb_up(struct net_device *ndev, 336 enum hnae_loop loop_mode) 337 { 338 struct hns_nic_priv *priv = netdev_priv(ndev); 339 struct hnae_handle *h = priv->ae_handle; 340 int speed, duplex; 341 int ret; 342 343 hns_nic_net_reset(ndev); 344 345 ret = __lb_setup(ndev, loop_mode); 346 if (ret) 347 return ret; 348 349 msleep(200); 350 351 ret = h->dev->ops->start ? h->dev->ops->start(h) : 0; 352 if (ret) 353 return ret; 354 355 /* link adjust duplex*/ 356 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) 357 speed = 1000; 358 else 359 speed = 10000; 360 duplex = 1; 361 362 h->dev->ops->adjust_link(h, speed, duplex); 363 364 return 0; 365 } 366 367 static void __lb_other_process(struct hns_nic_ring_data *ring_data, 368 struct sk_buff *skb) 369 { 370 struct net_device *ndev; 371 struct hns_nic_priv *priv; 372 struct hnae_ring *ring; 373 struct netdev_queue *dev_queue; 374 struct sk_buff *new_skb; 375 unsigned int frame_size; 376 int check_ok; 377 u32 i; 378 char buff[33]; /* 32B data and the last character '\0' */ 379 380 if (!ring_data) { /* Just for doing create frame*/ 381 ndev = skb->dev; 382 priv = netdev_priv(ndev); 383 384 frame_size = skb->len; 385 memset(skb->data, 0xFF, frame_size); 386 if ((!AE_IS_VER1(priv->enet_ver)) && 387 (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) { 388 memcpy(skb->data, ndev->dev_addr, 6); 389 skb->data[5] += 0x1f; 390 } 391 392 frame_size &= ~1ul; 393 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 394 memset(&skb->data[frame_size / 2 + 10], 0xBE, 395 frame_size / 2 - 11); 396 memset(&skb->data[frame_size / 2 + 12], 0xAF, 397 frame_size / 2 - 13); 398 return; 399 } 400 401 ring = ring_data->ring; 402 ndev = ring_data->napi.dev; 403 if (is_tx_ring(ring)) { /* for tx queue reset*/ 404 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index); 405 netdev_tx_reset_queue(dev_queue); 406 return; 407 } 408 409 frame_size = skb->len; 410 frame_size &= ~1ul; 411 /* for mutl buffer*/ 412 new_skb = skb_copy(skb, GFP_ATOMIC); 413 dev_kfree_skb_any(skb); 414 skb = new_skb; 415 416 check_ok = 0; 417 if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/ 418 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 419 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 420 check_ok = 1; 421 } 422 423 if (check_ok) { 424 ndev->stats.rx_packets++; 425 ndev->stats.rx_bytes += skb->len; 426 } else { 427 ndev->stats.rx_frame_errors++; 428 for (i = 0; i < skb->len; i++) { 429 snprintf(buff + i % 16 * 2, 3, /* tailing \0*/ 430 "%02x", *(skb->data + i)); 431 if ((i % 16 == 15) || (i == skb->len - 1)) 432 pr_info("%s\n", buff); 433 } 434 } 435 dev_kfree_skb_any(skb); 436 } 437 438 static int __lb_clean_rings(struct hns_nic_priv *priv, 439 int ringid0, int ringid1, int budget) 440 { 441 int i, ret; 442 struct hns_nic_ring_data *ring_data; 443 struct net_device *ndev = priv->netdev; 444 unsigned long rx_packets = ndev->stats.rx_packets; 445 unsigned long rx_bytes = ndev->stats.rx_bytes; 446 unsigned long rx_frame_errors = ndev->stats.rx_frame_errors; 447 448 for (i = ringid0; i <= ringid1; i++) { 449 ring_data = &priv->ring_data[i]; 450 (void)ring_data->poll_one(ring_data, 451 budget, __lb_other_process); 452 } 453 ret = (int)(ndev->stats.rx_packets - rx_packets); 454 ndev->stats.rx_packets = rx_packets; 455 ndev->stats.rx_bytes = rx_bytes; 456 ndev->stats.rx_frame_errors = rx_frame_errors; 457 return ret; 458 } 459 460 /** 461 * nic_run_loopback_test - run loopback test 462 * @nic_dev: net device 463 * @loopback_type: loopback type 464 */ 465 static int __lb_run_test(struct net_device *ndev, 466 enum hnae_loop loop_mode) 467 { 468 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1 469 #define NIC_LB_TEST_RING_ID 0 470 #define NIC_LB_TEST_FRAME_SIZE 128 471 /* nic loopback test err */ 472 #define NIC_LB_TEST_NO_MEM_ERR 1 473 #define NIC_LB_TEST_TX_CNT_ERR 2 474 #define NIC_LB_TEST_RX_CNT_ERR 3 475 #define NIC_LB_TEST_RX_PKG_ERR 4 476 struct hns_nic_priv *priv = netdev_priv(ndev); 477 struct hnae_handle *h = priv->ae_handle; 478 int i, j, lc, good_cnt, ret_val = 0; 479 unsigned int size; 480 netdev_tx_t tx_ret_val; 481 struct sk_buff *skb; 482 483 size = NIC_LB_TEST_FRAME_SIZE; 484 /* allocate test skb */ 485 skb = alloc_skb(size, GFP_KERNEL); 486 if (!skb) 487 return NIC_LB_TEST_NO_MEM_ERR; 488 489 /* place data into test skb */ 490 (void)skb_put(skb, size); 491 skb->dev = ndev; 492 __lb_other_process(NULL, skb); 493 skb->queue_mapping = NIC_LB_TEST_RING_ID; 494 495 lc = 1; 496 for (j = 0; j < lc; j++) { 497 /* reset count of good packets */ 498 good_cnt = 0; 499 /* place 64 packets on the transmit queue*/ 500 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) { 501 (void)skb_get(skb); 502 503 tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw( 504 ndev, skb, 505 &tx_ring_data(priv, skb->queue_mapping)); 506 if (tx_ret_val == NETDEV_TX_OK) 507 good_cnt++; 508 else 509 break; 510 } 511 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) { 512 ret_val = NIC_LB_TEST_TX_CNT_ERR; 513 dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n", 514 hns_nic_test_strs[loop_mode], good_cnt, 515 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 516 break; 517 } 518 519 /* allow 100 milliseconds for packets to go from Tx to Rx */ 520 msleep(100); 521 522 good_cnt = __lb_clean_rings(priv, 523 h->q_num, h->q_num * 2 - 1, 524 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 525 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) { 526 ret_val = NIC_LB_TEST_RX_CNT_ERR; 527 dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n", 528 hns_nic_test_strs[loop_mode], good_cnt, 529 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 530 break; 531 } 532 (void)__lb_clean_rings(priv, 533 NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID, 534 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 535 } 536 537 /* free the original skb */ 538 kfree_skb(skb); 539 540 return ret_val; 541 } 542 543 static int __lb_down(struct net_device *ndev, enum hnae_loop loop) 544 { 545 struct hns_nic_priv *priv = netdev_priv(ndev); 546 struct hnae_handle *h = priv->ae_handle; 547 int ret; 548 549 if (loop == MAC_INTERNALLOOP_PHY) 550 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE); 551 else 552 ret = __lb_setup(ndev, MAC_LOOP_NONE); 553 if (ret) 554 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n", 555 __func__, 556 ret); 557 558 if (h->dev->ops->stop) 559 h->dev->ops->stop(h); 560 561 usleep_range(10000, 20000); 562 (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256); 563 564 hns_nic_net_reset(ndev); 565 566 return 0; 567 } 568 569 /** 570 * hns_nic_self_test - self test 571 * @dev: net device 572 * @eth_test: test cmd 573 * @data: test result 574 */ 575 static void hns_nic_self_test(struct net_device *ndev, 576 struct ethtool_test *eth_test, u64 *data) 577 { 578 struct hns_nic_priv *priv = netdev_priv(ndev); 579 bool if_running = netif_running(ndev); 580 #define SELF_TEST_TPYE_NUM 3 581 int st_param[SELF_TEST_TPYE_NUM][2]; 582 int i; 583 int test_index = 0; 584 585 st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */ 586 st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII); 587 st_param[1][0] = MAC_INTERNALLOOP_SERDES; 588 st_param[1][1] = 1; /*serdes must exist*/ 589 st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/ 590 st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) && 591 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)); 592 593 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 594 set_bit(NIC_STATE_TESTING, &priv->state); 595 596 if (if_running) 597 dev_close(ndev); 598 599 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) { 600 if (!st_param[i][1]) 601 continue; /* NEXT testing */ 602 603 data[test_index] = __lb_up(ndev, 604 (enum hnae_loop)st_param[i][0]); 605 if (!data[test_index]) { 606 data[test_index] = __lb_run_test( 607 ndev, (enum hnae_loop)st_param[i][0]); 608 (void)__lb_down(ndev, 609 (enum hnae_loop)st_param[i][0]); 610 } 611 612 if (data[test_index]) 613 eth_test->flags |= ETH_TEST_FL_FAILED; 614 615 test_index++; 616 } 617 618 hns_nic_net_reset(priv->netdev); 619 620 clear_bit(NIC_STATE_TESTING, &priv->state); 621 622 if (if_running) 623 (void)dev_open(ndev, NULL); 624 } 625 /* Online tests aren't run; pass by default */ 626 627 (void)msleep_interruptible(4 * 1000); 628 } 629 630 /** 631 * hns_nic_get_drvinfo - get net driver info 632 * @dev: net device 633 * @drvinfo: driver info 634 */ 635 static void hns_nic_get_drvinfo(struct net_device *net_dev, 636 struct ethtool_drvinfo *drvinfo) 637 { 638 struct hns_nic_priv *priv = netdev_priv(net_dev); 639 640 strncpy(drvinfo->version, HNAE_DRIVER_VERSION, 641 sizeof(drvinfo->version)); 642 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 643 644 strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver)); 645 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 646 647 strncpy(drvinfo->bus_info, priv->dev->bus->name, 648 sizeof(drvinfo->bus_info)); 649 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 650 651 strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN); 652 drvinfo->eedump_len = 0; 653 } 654 655 /** 656 * hns_get_ringparam - get ring parameter 657 * @dev: net device 658 * @param: ethtool parameter 659 */ 660 static void hns_get_ringparam(struct net_device *net_dev, 661 struct ethtool_ringparam *param) 662 { 663 struct hns_nic_priv *priv = netdev_priv(net_dev); 664 struct hnae_ae_ops *ops; 665 struct hnae_queue *queue; 666 u32 uplimit = 0; 667 668 queue = priv->ae_handle->qs[0]; 669 ops = priv->ae_handle->dev->ops; 670 671 if (ops->get_ring_bdnum_limit) 672 ops->get_ring_bdnum_limit(queue, &uplimit); 673 674 param->rx_max_pending = uplimit; 675 param->tx_max_pending = uplimit; 676 param->rx_pending = queue->rx_ring.desc_num; 677 param->tx_pending = queue->tx_ring.desc_num; 678 } 679 680 /** 681 * hns_get_pauseparam - get pause parameter 682 * @dev: net device 683 * @param: pause parameter 684 */ 685 static void hns_get_pauseparam(struct net_device *net_dev, 686 struct ethtool_pauseparam *param) 687 { 688 struct hns_nic_priv *priv = netdev_priv(net_dev); 689 struct hnae_ae_ops *ops; 690 691 ops = priv->ae_handle->dev->ops; 692 693 if (ops->get_pauseparam) 694 ops->get_pauseparam(priv->ae_handle, ¶m->autoneg, 695 ¶m->rx_pause, ¶m->tx_pause); 696 } 697 698 /** 699 * hns_set_pauseparam - set pause parameter 700 * @dev: net device 701 * @param: pause parameter 702 * 703 * Return 0 on success, negative on failure 704 */ 705 static int hns_set_pauseparam(struct net_device *net_dev, 706 struct ethtool_pauseparam *param) 707 { 708 struct hns_nic_priv *priv = netdev_priv(net_dev); 709 struct hnae_handle *h; 710 struct hnae_ae_ops *ops; 711 712 h = priv->ae_handle; 713 ops = h->dev->ops; 714 715 if (!ops->set_pauseparam) 716 return -ESRCH; 717 718 return ops->set_pauseparam(priv->ae_handle, param->autoneg, 719 param->rx_pause, param->tx_pause); 720 } 721 722 /** 723 * hns_get_coalesce - get coalesce info. 724 * @dev: net device 725 * @ec: coalesce info. 726 * 727 * Return 0 on success, negative on failure. 728 */ 729 static int hns_get_coalesce(struct net_device *net_dev, 730 struct ethtool_coalesce *ec) 731 { 732 struct hns_nic_priv *priv = netdev_priv(net_dev); 733 struct hnae_ae_ops *ops; 734 735 ops = priv->ae_handle->dev->ops; 736 737 ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en; 738 ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en; 739 740 if ((!ops->get_coalesce_usecs) || 741 (!ops->get_max_coalesced_frames)) 742 return -ESRCH; 743 744 ops->get_coalesce_usecs(priv->ae_handle, 745 &ec->tx_coalesce_usecs, 746 &ec->rx_coalesce_usecs); 747 748 ops->get_max_coalesced_frames( 749 priv->ae_handle, 750 &ec->tx_max_coalesced_frames, 751 &ec->rx_max_coalesced_frames); 752 753 ops->get_coalesce_range(priv->ae_handle, 754 &ec->tx_max_coalesced_frames_low, 755 &ec->rx_max_coalesced_frames_low, 756 &ec->tx_max_coalesced_frames_high, 757 &ec->rx_max_coalesced_frames_high, 758 &ec->tx_coalesce_usecs_low, 759 &ec->rx_coalesce_usecs_low, 760 &ec->tx_coalesce_usecs_high, 761 &ec->rx_coalesce_usecs_high); 762 763 return 0; 764 } 765 766 /** 767 * hns_set_coalesce - set coalesce info. 768 * @dev: net device 769 * @ec: coalesce info. 770 * 771 * Return 0 on success, negative on failure. 772 */ 773 static int hns_set_coalesce(struct net_device *net_dev, 774 struct ethtool_coalesce *ec) 775 { 776 struct hns_nic_priv *priv = netdev_priv(net_dev); 777 struct hnae_ae_ops *ops; 778 int rc1, rc2; 779 780 ops = priv->ae_handle->dev->ops; 781 782 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs) 783 return -EINVAL; 784 785 if ((!ops->set_coalesce_usecs) || 786 (!ops->set_coalesce_frames)) 787 return -ESRCH; 788 789 if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en) 790 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce; 791 792 rc1 = ops->set_coalesce_usecs(priv->ae_handle, 793 ec->rx_coalesce_usecs); 794 795 rc2 = ops->set_coalesce_frames(priv->ae_handle, 796 ec->tx_max_coalesced_frames, 797 ec->rx_max_coalesced_frames); 798 799 if (rc1 || rc2) 800 return -EINVAL; 801 802 return 0; 803 } 804 805 /** 806 * hns_get_channels - get channel info. 807 * @dev: net device 808 * @ch: channel info. 809 */ 810 static void 811 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch) 812 { 813 struct hns_nic_priv *priv = netdev_priv(net_dev); 814 815 ch->max_rx = priv->ae_handle->q_num; 816 ch->max_tx = priv->ae_handle->q_num; 817 818 ch->rx_count = priv->ae_handle->q_num; 819 ch->tx_count = priv->ae_handle->q_num; 820 } 821 822 /** 823 * get_ethtool_stats - get detail statistics. 824 * @dev: net device 825 * @stats: statistics info. 826 * @data: statistics data. 827 */ 828 static void hns_get_ethtool_stats(struct net_device *netdev, 829 struct ethtool_stats *stats, u64 *data) 830 { 831 u64 *p = data; 832 struct hns_nic_priv *priv = netdev_priv(netdev); 833 struct hnae_handle *h = priv->ae_handle; 834 const struct rtnl_link_stats64 *net_stats; 835 struct rtnl_link_stats64 temp; 836 837 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) { 838 netdev_err(netdev, "get_stats or update_stats is null!\n"); 839 return; 840 } 841 842 h->dev->ops->update_stats(h, &netdev->stats); 843 844 net_stats = dev_get_stats(netdev, &temp); 845 846 /* get netdev statistics */ 847 p[0] = net_stats->rx_packets; 848 p[1] = net_stats->tx_packets; 849 p[2] = net_stats->rx_bytes; 850 p[3] = net_stats->tx_bytes; 851 p[4] = net_stats->rx_errors; 852 p[5] = net_stats->tx_errors; 853 p[6] = net_stats->rx_dropped; 854 p[7] = net_stats->tx_dropped; 855 p[8] = net_stats->multicast; 856 p[9] = net_stats->collisions; 857 p[10] = net_stats->rx_over_errors; 858 p[11] = net_stats->rx_crc_errors; 859 p[12] = net_stats->rx_frame_errors; 860 p[13] = net_stats->rx_fifo_errors; 861 p[14] = net_stats->rx_missed_errors; 862 p[15] = net_stats->tx_aborted_errors; 863 p[16] = net_stats->tx_carrier_errors; 864 p[17] = net_stats->tx_fifo_errors; 865 p[18] = net_stats->tx_heartbeat_errors; 866 p[19] = net_stats->rx_length_errors; 867 p[20] = net_stats->tx_window_errors; 868 p[21] = net_stats->rx_compressed; 869 p[22] = net_stats->tx_compressed; 870 871 p[23] = netdev->rx_dropped.counter; 872 p[24] = netdev->tx_dropped.counter; 873 874 p[25] = priv->tx_timeout_count; 875 876 /* get driver statistics */ 877 h->dev->ops->get_stats(h, &p[26]); 878 } 879 880 /** 881 * get_strings: Return a set of strings that describe the requested objects 882 * @dev: net device 883 * @stats: string set ID. 884 * @data: objects data. 885 */ 886 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 887 { 888 struct hns_nic_priv *priv = netdev_priv(netdev); 889 struct hnae_handle *h = priv->ae_handle; 890 char *buff = (char *)data; 891 892 if (!h->dev->ops->get_strings) { 893 netdev_err(netdev, "h->dev->ops->get_strings is null!\n"); 894 return; 895 } 896 897 if (stringset == ETH_SS_TEST) { 898 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) { 899 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC], 900 ETH_GSTRING_LEN); 901 buff += ETH_GSTRING_LEN; 902 } 903 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES], 904 ETH_GSTRING_LEN); 905 buff += ETH_GSTRING_LEN; 906 if ((netdev->phydev) && (!netdev->phydev->is_c45)) 907 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY], 908 ETH_GSTRING_LEN); 909 910 } else { 911 snprintf(buff, ETH_GSTRING_LEN, "rx_packets"); 912 buff = buff + ETH_GSTRING_LEN; 913 snprintf(buff, ETH_GSTRING_LEN, "tx_packets"); 914 buff = buff + ETH_GSTRING_LEN; 915 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes"); 916 buff = buff + ETH_GSTRING_LEN; 917 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes"); 918 buff = buff + ETH_GSTRING_LEN; 919 snprintf(buff, ETH_GSTRING_LEN, "rx_errors"); 920 buff = buff + ETH_GSTRING_LEN; 921 snprintf(buff, ETH_GSTRING_LEN, "tx_errors"); 922 buff = buff + ETH_GSTRING_LEN; 923 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped"); 924 buff = buff + ETH_GSTRING_LEN; 925 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped"); 926 buff = buff + ETH_GSTRING_LEN; 927 snprintf(buff, ETH_GSTRING_LEN, "multicast"); 928 buff = buff + ETH_GSTRING_LEN; 929 snprintf(buff, ETH_GSTRING_LEN, "collisions"); 930 buff = buff + ETH_GSTRING_LEN; 931 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors"); 932 buff = buff + ETH_GSTRING_LEN; 933 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors"); 934 buff = buff + ETH_GSTRING_LEN; 935 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors"); 936 buff = buff + ETH_GSTRING_LEN; 937 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors"); 938 buff = buff + ETH_GSTRING_LEN; 939 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors"); 940 buff = buff + ETH_GSTRING_LEN; 941 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors"); 942 buff = buff + ETH_GSTRING_LEN; 943 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors"); 944 buff = buff + ETH_GSTRING_LEN; 945 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors"); 946 buff = buff + ETH_GSTRING_LEN; 947 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors"); 948 buff = buff + ETH_GSTRING_LEN; 949 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors"); 950 buff = buff + ETH_GSTRING_LEN; 951 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors"); 952 buff = buff + ETH_GSTRING_LEN; 953 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed"); 954 buff = buff + ETH_GSTRING_LEN; 955 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed"); 956 buff = buff + ETH_GSTRING_LEN; 957 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped"); 958 buff = buff + ETH_GSTRING_LEN; 959 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped"); 960 buff = buff + ETH_GSTRING_LEN; 961 962 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout"); 963 buff = buff + ETH_GSTRING_LEN; 964 965 h->dev->ops->get_strings(h, stringset, (u8 *)buff); 966 } 967 } 968 969 /** 970 * nic_get_sset_count - get string set count witch returned by nic_get_strings. 971 * @dev: net device 972 * @stringset: string set index, 0: self test string; 1: statistics string. 973 * 974 * Return string set count. 975 */ 976 static int hns_get_sset_count(struct net_device *netdev, int stringset) 977 { 978 struct hns_nic_priv *priv = netdev_priv(netdev); 979 struct hnae_handle *h = priv->ae_handle; 980 struct hnae_ae_ops *ops = h->dev->ops; 981 982 if (!ops->get_sset_count) { 983 netdev_err(netdev, "get_sset_count is null!\n"); 984 return -EOPNOTSUPP; 985 } 986 if (stringset == ETH_SS_TEST) { 987 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN); 988 989 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII) 990 cnt--; 991 992 if ((!netdev->phydev) || (netdev->phydev->is_c45)) 993 cnt--; 994 995 return cnt; 996 } else if (stringset == ETH_SS_STATS) { 997 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset)); 998 } else { 999 return -EOPNOTSUPP; 1000 } 1001 } 1002 1003 /** 1004 * hns_phy_led_set - set phy LED status. 1005 * @dev: net device 1006 * @value: LED state. 1007 * 1008 * Return 0 on success, negative on failure. 1009 */ 1010 static int hns_phy_led_set(struct net_device *netdev, int value) 1011 { 1012 int retval; 1013 struct phy_device *phy_dev = netdev->phydev; 1014 1015 retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED); 1016 retval |= phy_write(phy_dev, HNS_LED_FC_REG, value); 1017 retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER); 1018 if (retval) { 1019 netdev_err(netdev, "mdiobus_write fail !\n"); 1020 return retval; 1021 } 1022 return 0; 1023 } 1024 1025 /** 1026 * nic_set_phys_id - set phy identify LED. 1027 * @dev: net device 1028 * @state: LED state. 1029 * 1030 * Return 0 on success, negative on failure. 1031 */ 1032 static int 1033 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1034 { 1035 struct hns_nic_priv *priv = netdev_priv(netdev); 1036 struct hnae_handle *h = priv->ae_handle; 1037 struct phy_device *phy_dev = netdev->phydev; 1038 int ret; 1039 1040 if (phy_dev) 1041 switch (state) { 1042 case ETHTOOL_ID_ACTIVE: 1043 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1044 HNS_PHY_PAGE_LED); 1045 if (ret) 1046 return ret; 1047 1048 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG); 1049 1050 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1051 HNS_PHY_PAGE_COPPER); 1052 if (ret) 1053 return ret; 1054 return 2; 1055 case ETHTOOL_ID_ON: 1056 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON); 1057 if (ret) 1058 return ret; 1059 break; 1060 case ETHTOOL_ID_OFF: 1061 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF); 1062 if (ret) 1063 return ret; 1064 break; 1065 case ETHTOOL_ID_INACTIVE: 1066 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1067 HNS_PHY_PAGE_LED); 1068 if (ret) 1069 return ret; 1070 1071 ret = phy_write(phy_dev, HNS_LED_FC_REG, 1072 priv->phy_led_val); 1073 if (ret) 1074 return ret; 1075 1076 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1077 HNS_PHY_PAGE_COPPER); 1078 if (ret) 1079 return ret; 1080 break; 1081 default: 1082 return -EINVAL; 1083 } 1084 else 1085 switch (state) { 1086 case ETHTOOL_ID_ACTIVE: 1087 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE); 1088 case ETHTOOL_ID_ON: 1089 return h->dev->ops->set_led_id(h, HNAE_LED_ON); 1090 case ETHTOOL_ID_OFF: 1091 return h->dev->ops->set_led_id(h, HNAE_LED_OFF); 1092 case ETHTOOL_ID_INACTIVE: 1093 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE); 1094 default: 1095 return -EINVAL; 1096 } 1097 1098 return 0; 1099 } 1100 1101 /** 1102 * hns_get_regs - get net device register 1103 * @dev: net device 1104 * @cmd: ethtool cmd 1105 * @date: register data 1106 */ 1107 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, 1108 void *data) 1109 { 1110 struct hns_nic_priv *priv = netdev_priv(net_dev); 1111 struct hnae_ae_ops *ops; 1112 1113 ops = priv->ae_handle->dev->ops; 1114 1115 cmd->version = HNS_CHIP_VERSION; 1116 if (!ops->get_regs) { 1117 netdev_err(net_dev, "ops->get_regs is null!\n"); 1118 return; 1119 } 1120 ops->get_regs(priv->ae_handle, data); 1121 } 1122 1123 /** 1124 * nic_get_regs_len - get total register len. 1125 * @dev: net device 1126 * 1127 * Return total register len. 1128 */ 1129 static int hns_get_regs_len(struct net_device *net_dev) 1130 { 1131 u32 reg_num; 1132 struct hns_nic_priv *priv = netdev_priv(net_dev); 1133 struct hnae_ae_ops *ops; 1134 1135 ops = priv->ae_handle->dev->ops; 1136 if (!ops->get_regs_len) { 1137 netdev_err(net_dev, "ops->get_regs_len is null!\n"); 1138 return -EOPNOTSUPP; 1139 } 1140 1141 reg_num = ops->get_regs_len(priv->ae_handle); 1142 if (reg_num > 0) 1143 return reg_num * sizeof(u32); 1144 else 1145 return reg_num; /* error code */ 1146 } 1147 1148 /** 1149 * hns_nic_nway_reset - nway reset 1150 * @dev: net device 1151 * 1152 * Return 0 on success, negative on failure 1153 */ 1154 static int hns_nic_nway_reset(struct net_device *netdev) 1155 { 1156 struct phy_device *phy = netdev->phydev; 1157 1158 if (!netif_running(netdev)) 1159 return 0; 1160 1161 if (!phy) 1162 return -EOPNOTSUPP; 1163 1164 if (phy->autoneg != AUTONEG_ENABLE) 1165 return -EINVAL; 1166 1167 return genphy_restart_aneg(phy); 1168 } 1169 1170 static u32 1171 hns_get_rss_key_size(struct net_device *netdev) 1172 { 1173 struct hns_nic_priv *priv = netdev_priv(netdev); 1174 struct hnae_ae_ops *ops; 1175 1176 if (AE_IS_VER1(priv->enet_ver)) { 1177 netdev_err(netdev, 1178 "RSS feature is not supported on this hardware\n"); 1179 return 0; 1180 } 1181 1182 ops = priv->ae_handle->dev->ops; 1183 return ops->get_rss_key_size(priv->ae_handle); 1184 } 1185 1186 static u32 1187 hns_get_rss_indir_size(struct net_device *netdev) 1188 { 1189 struct hns_nic_priv *priv = netdev_priv(netdev); 1190 struct hnae_ae_ops *ops; 1191 1192 if (AE_IS_VER1(priv->enet_ver)) { 1193 netdev_err(netdev, 1194 "RSS feature is not supported on this hardware\n"); 1195 return 0; 1196 } 1197 1198 ops = priv->ae_handle->dev->ops; 1199 return ops->get_rss_indir_size(priv->ae_handle); 1200 } 1201 1202 static int 1203 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 1204 { 1205 struct hns_nic_priv *priv = netdev_priv(netdev); 1206 struct hnae_ae_ops *ops; 1207 1208 if (AE_IS_VER1(priv->enet_ver)) { 1209 netdev_err(netdev, 1210 "RSS feature is not supported on this hardware\n"); 1211 return -EOPNOTSUPP; 1212 } 1213 1214 ops = priv->ae_handle->dev->ops; 1215 1216 if (!indir) 1217 return 0; 1218 1219 return ops->get_rss(priv->ae_handle, indir, key, hfunc); 1220 } 1221 1222 static int 1223 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key, 1224 const u8 hfunc) 1225 { 1226 struct hns_nic_priv *priv = netdev_priv(netdev); 1227 struct hnae_ae_ops *ops; 1228 1229 if (AE_IS_VER1(priv->enet_ver)) { 1230 netdev_err(netdev, 1231 "RSS feature is not supported on this hardware\n"); 1232 return -EOPNOTSUPP; 1233 } 1234 1235 ops = priv->ae_handle->dev->ops; 1236 1237 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) { 1238 netdev_err(netdev, "Invalid hfunc!\n"); 1239 return -EOPNOTSUPP; 1240 } 1241 1242 return ops->set_rss(priv->ae_handle, indir, key, hfunc); 1243 } 1244 1245 static int hns_get_rxnfc(struct net_device *netdev, 1246 struct ethtool_rxnfc *cmd, 1247 u32 *rule_locs) 1248 { 1249 struct hns_nic_priv *priv = netdev_priv(netdev); 1250 1251 switch (cmd->cmd) { 1252 case ETHTOOL_GRXRINGS: 1253 cmd->data = priv->ae_handle->q_num; 1254 break; 1255 default: 1256 return -EOPNOTSUPP; 1257 } 1258 1259 return 0; 1260 } 1261 1262 static const struct ethtool_ops hns_ethtool_ops = { 1263 .get_drvinfo = hns_nic_get_drvinfo, 1264 .get_link = hns_nic_get_link, 1265 .get_ringparam = hns_get_ringparam, 1266 .get_pauseparam = hns_get_pauseparam, 1267 .set_pauseparam = hns_set_pauseparam, 1268 .get_coalesce = hns_get_coalesce, 1269 .set_coalesce = hns_set_coalesce, 1270 .get_channels = hns_get_channels, 1271 .self_test = hns_nic_self_test, 1272 .get_strings = hns_get_strings, 1273 .get_sset_count = hns_get_sset_count, 1274 .get_ethtool_stats = hns_get_ethtool_stats, 1275 .set_phys_id = hns_set_phys_id, 1276 .get_regs_len = hns_get_regs_len, 1277 .get_regs = hns_get_regs, 1278 .nway_reset = hns_nic_nway_reset, 1279 .get_rxfh_key_size = hns_get_rss_key_size, 1280 .get_rxfh_indir_size = hns_get_rss_indir_size, 1281 .get_rxfh = hns_get_rss, 1282 .set_rxfh = hns_set_rss, 1283 .get_rxnfc = hns_get_rxnfc, 1284 .get_link_ksettings = hns_nic_get_link_ksettings, 1285 .set_link_ksettings = hns_nic_set_link_ksettings, 1286 }; 1287 1288 void hns_ethtool_set_ops(struct net_device *ndev) 1289 { 1290 ndev->ethtool_ops = &hns_ethtool_ops; 1291 } 1292