1 /* 2 * Copyright (c) 2014-2015 Hisilicon Limited. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 */ 9 10 #include <linux/etherdevice.h> 11 #include <linux/interrupt.h> 12 #include <linux/module.h> 13 #include <linux/platform_device.h> 14 #include "hns_enet.h" 15 16 #define HNS_PHY_PAGE_MDIX 0 17 #define HNS_PHY_PAGE_LED 3 18 #define HNS_PHY_PAGE_COPPER 0 19 20 #define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */ 21 #define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */ 22 #define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */ 23 #define HNS_LED_FC_REG 16 /* LED Function Control Reg. */ 24 #define HNS_LED_PC_REG 17 /* LED Polarity Control Reg. */ 25 26 #define HNS_LED_FORCE_ON 9 27 #define HNS_LED_FORCE_OFF 8 28 29 #define HNS_CHIP_VERSION 660 30 #define HNS_NET_STATS_CNT 26 31 32 #define PHY_MDIX_CTRL_S (5) 33 #define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S) 34 35 #define PHY_MDIX_STATUS_B (6) 36 #define PHY_SPEED_DUP_RESOLVE_B (11) 37 38 /** 39 *hns_nic_get_link - get current link status 40 *@net_dev: net_device 41 *retuen 0 - success , negative --fail 42 */ 43 static u32 hns_nic_get_link(struct net_device *net_dev) 44 { 45 struct hns_nic_priv *priv = netdev_priv(net_dev); 46 u32 link_stat = priv->link; 47 struct hnae_handle *h; 48 49 assert(priv && priv->ae_handle); 50 h = priv->ae_handle; 51 52 if (priv->phy) { 53 if (!genphy_update_link(priv->phy)) 54 link_stat = priv->phy->link; 55 else 56 link_stat = 0; 57 } 58 59 if (h->dev && h->dev->ops && h->dev->ops->get_status) 60 link_stat = link_stat && h->dev->ops->get_status(h); 61 else 62 link_stat = 0; 63 64 return link_stat; 65 } 66 67 static void hns_get_mdix_mode(struct net_device *net_dev, 68 struct ethtool_cmd *cmd) 69 { 70 int mdix_ctrl, mdix, retval, is_resolved; 71 struct hns_nic_priv *priv = netdev_priv(net_dev); 72 struct phy_device *phy_dev = priv->phy; 73 74 if (!phy_dev || !phy_dev->mdio.bus) { 75 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; 76 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID; 77 return; 78 } 79 80 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX); 81 82 retval = phy_read(phy_dev, HNS_PHY_CSC_REG); 83 mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S); 84 85 retval = phy_read(phy_dev, HNS_PHY_CSS_REG); 86 mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B); 87 is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B); 88 89 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER); 90 91 switch (mdix_ctrl) { 92 case 0x0: 93 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI; 94 break; 95 case 0x1: 96 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_X; 97 break; 98 case 0x3: 99 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; 100 break; 101 default: 102 cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; 103 break; 104 } 105 106 if (!is_resolved) 107 cmd->eth_tp_mdix = ETH_TP_MDI_INVALID; 108 else if (mdix) 109 cmd->eth_tp_mdix = ETH_TP_MDI_X; 110 else 111 cmd->eth_tp_mdix = ETH_TP_MDI; 112 } 113 114 /** 115 *hns_nic_get_settings - implement ethtool get settings 116 *@net_dev: net_device 117 *@cmd: ethtool_cmd 118 *retuen 0 - success , negative --fail 119 */ 120 static int hns_nic_get_settings(struct net_device *net_dev, 121 struct ethtool_cmd *cmd) 122 { 123 struct hns_nic_priv *priv = netdev_priv(net_dev); 124 struct hnae_handle *h; 125 u32 link_stat; 126 int ret; 127 u8 duplex; 128 u16 speed; 129 130 if (!priv || !priv->ae_handle) 131 return -ESRCH; 132 133 h = priv->ae_handle; 134 if (!h->dev || !h->dev->ops || !h->dev->ops->get_info) 135 return -ESRCH; 136 137 ret = h->dev->ops->get_info(h, NULL, &speed, &duplex); 138 if (ret < 0) { 139 netdev_err(net_dev, "%s get_info error!\n", __func__); 140 return -EINVAL; 141 } 142 143 /* When there is no phy, autoneg is off. */ 144 cmd->autoneg = false; 145 ethtool_cmd_speed_set(cmd, speed); 146 cmd->duplex = duplex; 147 148 if (priv->phy) 149 (void)phy_ethtool_gset(priv->phy, cmd); 150 151 link_stat = hns_nic_get_link(net_dev); 152 if (!link_stat) { 153 ethtool_cmd_speed_set(cmd, (u32)SPEED_UNKNOWN); 154 cmd->duplex = DUPLEX_UNKNOWN; 155 } 156 157 if (cmd->autoneg) 158 cmd->advertising |= ADVERTISED_Autoneg; 159 160 cmd->supported |= h->if_support; 161 if (h->phy_if == PHY_INTERFACE_MODE_SGMII) { 162 cmd->supported |= SUPPORTED_TP; 163 cmd->advertising |= ADVERTISED_1000baseT_Full; 164 } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) { 165 cmd->supported |= SUPPORTED_FIBRE; 166 cmd->advertising |= ADVERTISED_10000baseKR_Full; 167 } 168 169 if (h->port_type == HNAE_PORT_SERVICE) { 170 cmd->port = PORT_FIBRE; 171 cmd->supported |= SUPPORTED_Pause; 172 } else { 173 cmd->port = PORT_TP; 174 } 175 176 cmd->transceiver = XCVR_EXTERNAL; 177 cmd->mdio_support = (ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22); 178 hns_get_mdix_mode(net_dev, cmd); 179 180 return 0; 181 } 182 183 /** 184 *hns_nic_set_settings - implement ethtool set settings 185 *@net_dev: net_device 186 *@cmd: ethtool_cmd 187 *retuen 0 - success , negative --fail 188 */ 189 static int hns_nic_set_settings(struct net_device *net_dev, 190 struct ethtool_cmd *cmd) 191 { 192 struct hns_nic_priv *priv = netdev_priv(net_dev); 193 struct hnae_handle *h; 194 u32 speed; 195 196 if (!netif_running(net_dev)) 197 return -ESRCH; 198 199 if (!priv || !priv->ae_handle || !priv->ae_handle->dev || 200 !priv->ae_handle->dev->ops) 201 return -ENODEV; 202 203 h = priv->ae_handle; 204 speed = ethtool_cmd_speed(cmd); 205 206 if (h->phy_if == PHY_INTERFACE_MODE_XGMII) { 207 if (cmd->autoneg == AUTONEG_ENABLE || speed != SPEED_10000 || 208 cmd->duplex != DUPLEX_FULL) 209 return -EINVAL; 210 } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) { 211 if (!priv->phy && cmd->autoneg == AUTONEG_ENABLE) 212 return -EINVAL; 213 214 if (speed == SPEED_1000 && cmd->duplex == DUPLEX_HALF) 215 return -EINVAL; 216 if (priv->phy) 217 return phy_ethtool_sset(priv->phy, cmd); 218 219 if ((speed != SPEED_10 && speed != SPEED_100 && 220 speed != SPEED_1000) || (cmd->duplex != DUPLEX_HALF && 221 cmd->duplex != DUPLEX_FULL)) 222 return -EINVAL; 223 } else { 224 netdev_err(net_dev, "Not supported!"); 225 return -ENOTSUPP; 226 } 227 228 if (h->dev->ops->adjust_link) { 229 h->dev->ops->adjust_link(h, (int)speed, cmd->duplex); 230 return 0; 231 } 232 233 netdev_err(net_dev, "Not supported!"); 234 return -ENOTSUPP; 235 } 236 237 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = { 238 "Mac Loopback test", 239 "Serdes Loopback test", 240 "Phy Loopback test" 241 }; 242 243 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) 244 { 245 #define COPPER_CONTROL_REG 0 246 #define PHY_LOOP_BACK BIT(14) 247 u16 val = 0; 248 249 if (phy_dev->is_c45) /* c45 branch adding for XGE PHY */ 250 return -ENOTSUPP; 251 252 if (en) { 253 /* speed : 1000M */ 254 phy_write(phy_dev, HNS_PHY_PAGE_REG, 2); 255 phy_write(phy_dev, 21, 0x1046); 256 /* Force Master */ 257 phy_write(phy_dev, 9, 0x1F00); 258 /* Soft-reset */ 259 phy_write(phy_dev, 0, 0x9140); 260 /* If autoneg disabled,two soft-reset operations */ 261 phy_write(phy_dev, 0, 0x9140); 262 phy_write(phy_dev, 22, 0xFA); 263 264 /* Default is 0x0400 */ 265 phy_write(phy_dev, 1, 0x418); 266 267 /* Force 1000M Link, Default is 0x0200 */ 268 phy_write(phy_dev, 7, 0x20C); 269 phy_write(phy_dev, 22, 0); 270 271 /* Enable MAC loop-back */ 272 val = phy_read(phy_dev, COPPER_CONTROL_REG); 273 val |= PHY_LOOP_BACK; 274 phy_write(phy_dev, COPPER_CONTROL_REG, val); 275 } else { 276 phy_write(phy_dev, 22, 0xFA); 277 phy_write(phy_dev, 1, 0x400); 278 phy_write(phy_dev, 7, 0x200); 279 phy_write(phy_dev, 22, 0); 280 281 val = phy_read(phy_dev, COPPER_CONTROL_REG); 282 val &= ~PHY_LOOP_BACK; 283 phy_write(phy_dev, COPPER_CONTROL_REG, val); 284 } 285 return 0; 286 } 287 288 static int __lb_setup(struct net_device *ndev, 289 enum hnae_loop loop) 290 { 291 int ret = 0; 292 struct hns_nic_priv *priv = netdev_priv(ndev); 293 struct phy_device *phy_dev = priv->phy; 294 struct hnae_handle *h = priv->ae_handle; 295 296 switch (loop) { 297 case MAC_INTERNALLOOP_PHY: 298 if ((phy_dev) && (!phy_dev->is_c45)) { 299 ret = hns_nic_config_phy_loopback(phy_dev, 0x1); 300 ret |= h->dev->ops->set_loopback(h, loop, 0x1); 301 } 302 break; 303 case MAC_INTERNALLOOP_MAC: 304 if ((h->dev->ops->set_loopback) && 305 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)) 306 ret = h->dev->ops->set_loopback(h, loop, 0x1); 307 break; 308 case MAC_INTERNALLOOP_SERDES: 309 if (h->dev->ops->set_loopback) 310 ret = h->dev->ops->set_loopback(h, loop, 0x1); 311 break; 312 case MAC_LOOP_NONE: 313 if ((phy_dev) && (!phy_dev->is_c45)) 314 ret |= hns_nic_config_phy_loopback(phy_dev, 0x0); 315 316 if (h->dev->ops->set_loopback) { 317 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) 318 ret |= h->dev->ops->set_loopback(h, 319 MAC_INTERNALLOOP_MAC, 0x0); 320 321 ret |= h->dev->ops->set_loopback(h, 322 MAC_INTERNALLOOP_SERDES, 0x0); 323 } 324 break; 325 default: 326 ret = -EINVAL; 327 break; 328 } 329 330 return ret; 331 } 332 333 static int __lb_up(struct net_device *ndev, 334 enum hnae_loop loop_mode) 335 { 336 struct hns_nic_priv *priv = netdev_priv(ndev); 337 struct hnae_handle *h = priv->ae_handle; 338 int speed, duplex; 339 int ret; 340 341 hns_nic_net_reset(ndev); 342 343 if (priv->phy) { 344 phy_disconnect(priv->phy); 345 msleep(100); 346 347 ret = hns_nic_init_phy(ndev, h); 348 if (ret) 349 return ret; 350 } 351 352 ret = __lb_setup(ndev, loop_mode); 353 if (ret) 354 return ret; 355 356 msleep(100); 357 358 ret = h->dev->ops->start ? h->dev->ops->start(h) : 0; 359 if (ret) 360 return ret; 361 362 if (priv->phy) 363 phy_start(priv->phy); 364 365 /* link adjust duplex*/ 366 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) 367 speed = 1000; 368 else 369 speed = 10000; 370 duplex = 1; 371 372 h->dev->ops->adjust_link(h, speed, duplex); 373 374 return 0; 375 } 376 377 static void __lb_other_process(struct hns_nic_ring_data *ring_data, 378 struct sk_buff *skb) 379 { 380 struct net_device *ndev; 381 struct hns_nic_priv *priv; 382 struct hnae_ring *ring; 383 struct netdev_queue *dev_queue; 384 struct sk_buff *new_skb; 385 unsigned int frame_size; 386 int check_ok; 387 u32 i; 388 char buff[33]; /* 32B data and the last character '\0' */ 389 390 if (!ring_data) { /* Just for doing create frame*/ 391 ndev = skb->dev; 392 priv = netdev_priv(ndev); 393 394 frame_size = skb->len; 395 memset(skb->data, 0xFF, frame_size); 396 if ((!AE_IS_VER1(priv->enet_ver)) && 397 (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) { 398 memcpy(skb->data, ndev->dev_addr, 6); 399 skb->data[5] += 0x1f; 400 } 401 402 frame_size &= ~1ul; 403 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 404 memset(&skb->data[frame_size / 2 + 10], 0xBE, 405 frame_size / 2 - 11); 406 memset(&skb->data[frame_size / 2 + 12], 0xAF, 407 frame_size / 2 - 13); 408 return; 409 } 410 411 ring = ring_data->ring; 412 ndev = ring_data->napi.dev; 413 if (is_tx_ring(ring)) { /* for tx queue reset*/ 414 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index); 415 netdev_tx_reset_queue(dev_queue); 416 return; 417 } 418 419 frame_size = skb->len; 420 frame_size &= ~1ul; 421 /* for mutl buffer*/ 422 new_skb = skb_copy(skb, GFP_ATOMIC); 423 dev_kfree_skb_any(skb); 424 skb = new_skb; 425 426 check_ok = 0; 427 if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/ 428 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && 429 (*(skb->data + frame_size / 2 + 12) == 0xAF)) 430 check_ok = 1; 431 } 432 433 if (check_ok) { 434 ndev->stats.rx_packets++; 435 ndev->stats.rx_bytes += skb->len; 436 } else { 437 ndev->stats.rx_frame_errors++; 438 for (i = 0; i < skb->len; i++) { 439 snprintf(buff + i % 16 * 2, 3, /* tailing \0*/ 440 "%02x", *(skb->data + i)); 441 if ((i % 16 == 15) || (i == skb->len - 1)) 442 pr_info("%s\n", buff); 443 } 444 } 445 dev_kfree_skb_any(skb); 446 } 447 448 static int __lb_clean_rings(struct hns_nic_priv *priv, 449 int ringid0, int ringid1, int budget) 450 { 451 int i, ret; 452 struct hns_nic_ring_data *ring_data; 453 struct net_device *ndev = priv->netdev; 454 unsigned long rx_packets = ndev->stats.rx_packets; 455 unsigned long rx_bytes = ndev->stats.rx_bytes; 456 unsigned long rx_frame_errors = ndev->stats.rx_frame_errors; 457 458 for (i = ringid0; i <= ringid1; i++) { 459 ring_data = &priv->ring_data[i]; 460 (void)ring_data->poll_one(ring_data, 461 budget, __lb_other_process); 462 } 463 ret = (int)(ndev->stats.rx_packets - rx_packets); 464 ndev->stats.rx_packets = rx_packets; 465 ndev->stats.rx_bytes = rx_bytes; 466 ndev->stats.rx_frame_errors = rx_frame_errors; 467 return ret; 468 } 469 470 /** 471 * nic_run_loopback_test - run loopback test 472 * @nic_dev: net device 473 * @loopback_type: loopback type 474 */ 475 static int __lb_run_test(struct net_device *ndev, 476 enum hnae_loop loop_mode) 477 { 478 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1 479 #define NIC_LB_TEST_RING_ID 0 480 #define NIC_LB_TEST_FRAME_SIZE 128 481 /* nic loopback test err */ 482 #define NIC_LB_TEST_NO_MEM_ERR 1 483 #define NIC_LB_TEST_TX_CNT_ERR 2 484 #define NIC_LB_TEST_RX_CNT_ERR 3 485 #define NIC_LB_TEST_RX_PKG_ERR 4 486 struct hns_nic_priv *priv = netdev_priv(ndev); 487 struct hnae_handle *h = priv->ae_handle; 488 int i, j, lc, good_cnt, ret_val = 0; 489 unsigned int size; 490 netdev_tx_t tx_ret_val; 491 struct sk_buff *skb; 492 493 size = NIC_LB_TEST_FRAME_SIZE; 494 /* allocate test skb */ 495 skb = alloc_skb(size, GFP_KERNEL); 496 if (!skb) 497 return NIC_LB_TEST_NO_MEM_ERR; 498 499 /* place data into test skb */ 500 (void)skb_put(skb, size); 501 skb->dev = ndev; 502 __lb_other_process(NULL, skb); 503 skb->queue_mapping = NIC_LB_TEST_RING_ID; 504 505 lc = 1; 506 for (j = 0; j < lc; j++) { 507 /* reset count of good packets */ 508 good_cnt = 0; 509 /* place 64 packets on the transmit queue*/ 510 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) { 511 (void)skb_get(skb); 512 513 tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw( 514 ndev, skb, 515 &tx_ring_data(priv, skb->queue_mapping)); 516 if (tx_ret_val == NETDEV_TX_OK) 517 good_cnt++; 518 else 519 break; 520 } 521 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) { 522 ret_val = NIC_LB_TEST_TX_CNT_ERR; 523 dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n", 524 hns_nic_test_strs[loop_mode], good_cnt, 525 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 526 break; 527 } 528 529 /* allow 100 milliseconds for packets to go from Tx to Rx */ 530 msleep(100); 531 532 good_cnt = __lb_clean_rings(priv, 533 h->q_num, h->q_num * 2 - 1, 534 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 535 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) { 536 ret_val = NIC_LB_TEST_RX_CNT_ERR; 537 dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n", 538 hns_nic_test_strs[loop_mode], good_cnt, 539 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 540 break; 541 } 542 (void)__lb_clean_rings(priv, 543 NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID, 544 NIC_LB_TEST_PKT_NUM_PER_CYCLE); 545 } 546 547 /* free the original skb */ 548 kfree_skb(skb); 549 550 return ret_val; 551 } 552 553 static int __lb_down(struct net_device *ndev) 554 { 555 struct hns_nic_priv *priv = netdev_priv(ndev); 556 struct hnae_handle *h = priv->ae_handle; 557 int ret; 558 559 ret = __lb_setup(ndev, MAC_LOOP_NONE); 560 if (ret) 561 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n", 562 __func__, 563 ret); 564 565 if (priv->phy) 566 phy_stop(priv->phy); 567 568 if (h->dev->ops->stop) 569 h->dev->ops->stop(h); 570 571 usleep_range(10000, 20000); 572 (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256); 573 574 hns_nic_net_reset(ndev); 575 576 return 0; 577 } 578 579 /** 580 * hns_nic_self_test - self test 581 * @dev: net device 582 * @eth_test: test cmd 583 * @data: test result 584 */ 585 static void hns_nic_self_test(struct net_device *ndev, 586 struct ethtool_test *eth_test, u64 *data) 587 { 588 struct hns_nic_priv *priv = netdev_priv(ndev); 589 bool if_running = netif_running(ndev); 590 #define SELF_TEST_TPYE_NUM 3 591 int st_param[SELF_TEST_TPYE_NUM][2]; 592 int i; 593 int test_index = 0; 594 595 st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */ 596 st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII); 597 st_param[1][0] = MAC_INTERNALLOOP_SERDES; 598 st_param[1][1] = 1; /*serdes must exist*/ 599 st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/ 600 st_param[2][1] = ((!!(priv->ae_handle->phy_node)) && 601 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)); 602 603 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 604 set_bit(NIC_STATE_TESTING, &priv->state); 605 606 if (if_running) 607 (void)dev_close(ndev); 608 609 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) { 610 if (!st_param[i][1]) 611 continue; /* NEXT testing */ 612 613 data[test_index] = __lb_up(ndev, 614 (enum hnae_loop)st_param[i][0]); 615 if (!data[test_index]) { 616 data[test_index] = __lb_run_test( 617 ndev, (enum hnae_loop)st_param[i][0]); 618 (void)__lb_down(ndev); 619 } 620 621 if (data[test_index]) 622 eth_test->flags |= ETH_TEST_FL_FAILED; 623 624 test_index++; 625 } 626 627 hns_nic_net_reset(priv->netdev); 628 629 clear_bit(NIC_STATE_TESTING, &priv->state); 630 631 if (if_running) 632 (void)dev_open(ndev); 633 } 634 /* Online tests aren't run; pass by default */ 635 636 (void)msleep_interruptible(4 * 1000); 637 } 638 639 /** 640 * hns_nic_get_drvinfo - get net driver info 641 * @dev: net device 642 * @drvinfo: driver info 643 */ 644 static void hns_nic_get_drvinfo(struct net_device *net_dev, 645 struct ethtool_drvinfo *drvinfo) 646 { 647 struct hns_nic_priv *priv = netdev_priv(net_dev); 648 649 assert(priv); 650 651 strncpy(drvinfo->version, HNAE_DRIVER_VERSION, 652 sizeof(drvinfo->version)); 653 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 654 655 strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver)); 656 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 657 658 strncpy(drvinfo->bus_info, priv->dev->bus->name, 659 sizeof(drvinfo->bus_info)); 660 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 661 662 strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN); 663 drvinfo->eedump_len = 0; 664 } 665 666 /** 667 * hns_get_ringparam - get ring parameter 668 * @dev: net device 669 * @param: ethtool parameter 670 */ 671 void hns_get_ringparam(struct net_device *net_dev, 672 struct ethtool_ringparam *param) 673 { 674 struct hns_nic_priv *priv = netdev_priv(net_dev); 675 struct hnae_ae_ops *ops; 676 struct hnae_queue *queue; 677 u32 uplimit = 0; 678 679 queue = priv->ae_handle->qs[0]; 680 ops = priv->ae_handle->dev->ops; 681 682 if (ops->get_ring_bdnum_limit) 683 ops->get_ring_bdnum_limit(queue, &uplimit); 684 685 param->rx_max_pending = uplimit; 686 param->tx_max_pending = uplimit; 687 param->rx_pending = queue->rx_ring.desc_num; 688 param->tx_pending = queue->tx_ring.desc_num; 689 } 690 691 /** 692 * hns_get_pauseparam - get pause parameter 693 * @dev: net device 694 * @param: pause parameter 695 */ 696 static void hns_get_pauseparam(struct net_device *net_dev, 697 struct ethtool_pauseparam *param) 698 { 699 struct hns_nic_priv *priv = netdev_priv(net_dev); 700 struct hnae_ae_ops *ops; 701 702 ops = priv->ae_handle->dev->ops; 703 704 if (ops->get_pauseparam) 705 ops->get_pauseparam(priv->ae_handle, ¶m->autoneg, 706 ¶m->rx_pause, ¶m->tx_pause); 707 } 708 709 /** 710 * hns_set_pauseparam - set pause parameter 711 * @dev: net device 712 * @param: pause parameter 713 * 714 * Return 0 on success, negative on failure 715 */ 716 static int hns_set_pauseparam(struct net_device *net_dev, 717 struct ethtool_pauseparam *param) 718 { 719 struct hns_nic_priv *priv = netdev_priv(net_dev); 720 struct hnae_handle *h; 721 struct hnae_ae_ops *ops; 722 723 assert(priv || priv->ae_handle); 724 725 h = priv->ae_handle; 726 ops = h->dev->ops; 727 728 if (!ops->set_pauseparam) 729 return -ESRCH; 730 731 return ops->set_pauseparam(priv->ae_handle, param->autoneg, 732 param->rx_pause, param->tx_pause); 733 } 734 735 /** 736 * hns_get_coalesce - get coalesce info. 737 * @dev: net device 738 * @ec: coalesce info. 739 * 740 * Return 0 on success, negative on failure. 741 */ 742 static int hns_get_coalesce(struct net_device *net_dev, 743 struct ethtool_coalesce *ec) 744 { 745 struct hns_nic_priv *priv = netdev_priv(net_dev); 746 struct hnae_ae_ops *ops; 747 748 ops = priv->ae_handle->dev->ops; 749 750 ec->use_adaptive_rx_coalesce = 1; 751 ec->use_adaptive_tx_coalesce = 1; 752 753 if ((!ops->get_coalesce_usecs) || 754 (!ops->get_rx_max_coalesced_frames)) 755 return -ESRCH; 756 757 ops->get_coalesce_usecs(priv->ae_handle, 758 &ec->tx_coalesce_usecs, 759 &ec->rx_coalesce_usecs); 760 761 ops->get_rx_max_coalesced_frames( 762 priv->ae_handle, 763 &ec->tx_max_coalesced_frames, 764 &ec->rx_max_coalesced_frames); 765 766 return 0; 767 } 768 769 /** 770 * hns_set_coalesce - set coalesce info. 771 * @dev: net device 772 * @ec: coalesce info. 773 * 774 * Return 0 on success, negative on failure. 775 */ 776 static int hns_set_coalesce(struct net_device *net_dev, 777 struct ethtool_coalesce *ec) 778 { 779 struct hns_nic_priv *priv = netdev_priv(net_dev); 780 struct hnae_ae_ops *ops; 781 int ret; 782 783 assert(priv || priv->ae_handle); 784 785 ops = priv->ae_handle->dev->ops; 786 787 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs) 788 return -EINVAL; 789 790 if (ec->rx_max_coalesced_frames != ec->tx_max_coalesced_frames) 791 return -EINVAL; 792 793 if ((!ops->set_coalesce_usecs) || 794 (!ops->set_coalesce_frames)) 795 return -ESRCH; 796 797 ops->set_coalesce_usecs(priv->ae_handle, 798 ec->rx_coalesce_usecs); 799 800 ret = ops->set_coalesce_frames( 801 priv->ae_handle, 802 ec->rx_max_coalesced_frames); 803 804 return ret; 805 } 806 807 /** 808 * hns_get_channels - get channel info. 809 * @dev: net device 810 * @ch: channel info. 811 */ 812 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch) 813 { 814 struct hns_nic_priv *priv = netdev_priv(net_dev); 815 816 ch->max_rx = priv->ae_handle->q_num; 817 ch->max_tx = priv->ae_handle->q_num; 818 819 ch->rx_count = priv->ae_handle->q_num; 820 ch->tx_count = priv->ae_handle->q_num; 821 } 822 823 /** 824 * get_ethtool_stats - get detail statistics. 825 * @dev: net device 826 * @stats: statistics info. 827 * @data: statistics data. 828 */ 829 void hns_get_ethtool_stats(struct net_device *netdev, 830 struct ethtool_stats *stats, u64 *data) 831 { 832 u64 *p = data; 833 struct hns_nic_priv *priv = netdev_priv(netdev); 834 struct hnae_handle *h = priv->ae_handle; 835 const struct rtnl_link_stats64 *net_stats; 836 struct rtnl_link_stats64 temp; 837 838 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) { 839 netdev_err(netdev, "get_stats or update_stats is null!\n"); 840 return; 841 } 842 843 h->dev->ops->update_stats(h, &netdev->stats); 844 845 net_stats = dev_get_stats(netdev, &temp); 846 847 /* get netdev statistics */ 848 p[0] = net_stats->rx_packets; 849 p[1] = net_stats->tx_packets; 850 p[2] = net_stats->rx_bytes; 851 p[3] = net_stats->tx_bytes; 852 p[4] = net_stats->rx_errors; 853 p[5] = net_stats->tx_errors; 854 p[6] = net_stats->rx_dropped; 855 p[7] = net_stats->tx_dropped; 856 p[8] = net_stats->multicast; 857 p[9] = net_stats->collisions; 858 p[10] = net_stats->rx_over_errors; 859 p[11] = net_stats->rx_crc_errors; 860 p[12] = net_stats->rx_frame_errors; 861 p[13] = net_stats->rx_fifo_errors; 862 p[14] = net_stats->rx_missed_errors; 863 p[15] = net_stats->tx_aborted_errors; 864 p[16] = net_stats->tx_carrier_errors; 865 p[17] = net_stats->tx_fifo_errors; 866 p[18] = net_stats->tx_heartbeat_errors; 867 p[19] = net_stats->rx_length_errors; 868 p[20] = net_stats->tx_window_errors; 869 p[21] = net_stats->rx_compressed; 870 p[22] = net_stats->tx_compressed; 871 872 p[23] = netdev->rx_dropped.counter; 873 p[24] = netdev->tx_dropped.counter; 874 875 p[25] = priv->tx_timeout_count; 876 877 /* get driver statistics */ 878 h->dev->ops->get_stats(h, &p[26]); 879 } 880 881 /** 882 * get_strings: Return a set of strings that describe the requested objects 883 * @dev: net device 884 * @stats: string set ID. 885 * @data: objects data. 886 */ 887 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 888 { 889 struct hns_nic_priv *priv = netdev_priv(netdev); 890 struct hnae_handle *h = priv->ae_handle; 891 char *buff = (char *)data; 892 893 if (!h->dev->ops->get_strings) { 894 netdev_err(netdev, "h->dev->ops->get_strings is null!\n"); 895 return; 896 } 897 898 if (stringset == ETH_SS_TEST) { 899 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) { 900 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC], 901 ETH_GSTRING_LEN); 902 buff += ETH_GSTRING_LEN; 903 } 904 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES], 905 ETH_GSTRING_LEN); 906 buff += ETH_GSTRING_LEN; 907 if ((priv->phy) && (!priv->phy->is_c45)) 908 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY], 909 ETH_GSTRING_LEN); 910 911 } else { 912 snprintf(buff, ETH_GSTRING_LEN, "rx_packets"); 913 buff = buff + ETH_GSTRING_LEN; 914 snprintf(buff, ETH_GSTRING_LEN, "tx_packets"); 915 buff = buff + ETH_GSTRING_LEN; 916 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes"); 917 buff = buff + ETH_GSTRING_LEN; 918 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes"); 919 buff = buff + ETH_GSTRING_LEN; 920 snprintf(buff, ETH_GSTRING_LEN, "rx_errors"); 921 buff = buff + ETH_GSTRING_LEN; 922 snprintf(buff, ETH_GSTRING_LEN, "tx_errors"); 923 buff = buff + ETH_GSTRING_LEN; 924 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped"); 925 buff = buff + ETH_GSTRING_LEN; 926 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped"); 927 buff = buff + ETH_GSTRING_LEN; 928 snprintf(buff, ETH_GSTRING_LEN, "multicast"); 929 buff = buff + ETH_GSTRING_LEN; 930 snprintf(buff, ETH_GSTRING_LEN, "collisions"); 931 buff = buff + ETH_GSTRING_LEN; 932 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors"); 933 buff = buff + ETH_GSTRING_LEN; 934 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors"); 935 buff = buff + ETH_GSTRING_LEN; 936 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors"); 937 buff = buff + ETH_GSTRING_LEN; 938 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors"); 939 buff = buff + ETH_GSTRING_LEN; 940 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors"); 941 buff = buff + ETH_GSTRING_LEN; 942 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors"); 943 buff = buff + ETH_GSTRING_LEN; 944 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors"); 945 buff = buff + ETH_GSTRING_LEN; 946 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors"); 947 buff = buff + ETH_GSTRING_LEN; 948 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors"); 949 buff = buff + ETH_GSTRING_LEN; 950 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors"); 951 buff = buff + ETH_GSTRING_LEN; 952 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors"); 953 buff = buff + ETH_GSTRING_LEN; 954 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed"); 955 buff = buff + ETH_GSTRING_LEN; 956 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed"); 957 buff = buff + ETH_GSTRING_LEN; 958 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped"); 959 buff = buff + ETH_GSTRING_LEN; 960 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped"); 961 buff = buff + ETH_GSTRING_LEN; 962 963 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout"); 964 buff = buff + ETH_GSTRING_LEN; 965 966 h->dev->ops->get_strings(h, stringset, (u8 *)buff); 967 } 968 } 969 970 /** 971 * nic_get_sset_count - get string set count witch returned by nic_get_strings. 972 * @dev: net device 973 * @stringset: string set index, 0: self test string; 1: statistics string. 974 * 975 * Return string set count. 976 */ 977 int hns_get_sset_count(struct net_device *netdev, int stringset) 978 { 979 struct hns_nic_priv *priv = netdev_priv(netdev); 980 struct hnae_handle *h = priv->ae_handle; 981 struct hnae_ae_ops *ops = h->dev->ops; 982 983 if (!ops->get_sset_count) { 984 netdev_err(netdev, "get_sset_count is null!\n"); 985 return -EOPNOTSUPP; 986 } 987 if (stringset == ETH_SS_TEST) { 988 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN); 989 990 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII) 991 cnt--; 992 993 if ((!priv->phy) || (priv->phy->is_c45)) 994 cnt--; 995 996 return cnt; 997 } else { 998 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset)); 999 } 1000 } 1001 1002 /** 1003 * hns_phy_led_set - set phy LED status. 1004 * @dev: net device 1005 * @value: LED state. 1006 * 1007 * Return 0 on success, negative on failure. 1008 */ 1009 int hns_phy_led_set(struct net_device *netdev, int value) 1010 { 1011 int retval; 1012 struct hns_nic_priv *priv = netdev_priv(netdev); 1013 struct phy_device *phy_dev = priv->phy; 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 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1033 { 1034 struct hns_nic_priv *priv = netdev_priv(netdev); 1035 struct hnae_handle *h = priv->ae_handle; 1036 struct phy_device *phy_dev = priv->phy; 1037 int ret; 1038 1039 if (phy_dev) 1040 switch (state) { 1041 case ETHTOOL_ID_ACTIVE: 1042 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1043 HNS_PHY_PAGE_LED); 1044 if (ret) 1045 return ret; 1046 1047 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG); 1048 1049 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1050 HNS_PHY_PAGE_COPPER); 1051 if (ret) 1052 return ret; 1053 return 2; 1054 case ETHTOOL_ID_ON: 1055 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON); 1056 if (ret) 1057 return ret; 1058 break; 1059 case ETHTOOL_ID_OFF: 1060 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF); 1061 if (ret) 1062 return ret; 1063 break; 1064 case ETHTOOL_ID_INACTIVE: 1065 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1066 HNS_PHY_PAGE_LED); 1067 if (ret) 1068 return ret; 1069 1070 ret = phy_write(phy_dev, HNS_LED_FC_REG, 1071 priv->phy_led_val); 1072 if (ret) 1073 return ret; 1074 1075 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG, 1076 HNS_PHY_PAGE_COPPER); 1077 if (ret) 1078 return ret; 1079 break; 1080 default: 1081 return -EINVAL; 1082 } 1083 else 1084 switch (state) { 1085 case ETHTOOL_ID_ACTIVE: 1086 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE); 1087 case ETHTOOL_ID_ON: 1088 return h->dev->ops->set_led_id(h, HNAE_LED_ON); 1089 case ETHTOOL_ID_OFF: 1090 return h->dev->ops->set_led_id(h, HNAE_LED_OFF); 1091 case ETHTOOL_ID_INACTIVE: 1092 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE); 1093 default: 1094 return -EINVAL; 1095 } 1096 1097 return 0; 1098 } 1099 1100 /** 1101 * hns_get_regs - get net device register 1102 * @dev: net device 1103 * @cmd: ethtool cmd 1104 * @date: register data 1105 */ 1106 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, 1107 void *data) 1108 { 1109 struct hns_nic_priv *priv = netdev_priv(net_dev); 1110 struct hnae_ae_ops *ops; 1111 1112 assert(priv || priv->ae_handle); 1113 1114 ops = priv->ae_handle->dev->ops; 1115 1116 cmd->version = HNS_CHIP_VERSION; 1117 if (!ops->get_regs) { 1118 netdev_err(net_dev, "ops->get_regs is null!\n"); 1119 return; 1120 } 1121 ops->get_regs(priv->ae_handle, data); 1122 } 1123 1124 /** 1125 * nic_get_regs_len - get total register len. 1126 * @dev: net device 1127 * 1128 * Return total register len. 1129 */ 1130 static int hns_get_regs_len(struct net_device *net_dev) 1131 { 1132 u32 reg_num; 1133 struct hns_nic_priv *priv = netdev_priv(net_dev); 1134 struct hnae_ae_ops *ops; 1135 1136 assert(priv || priv->ae_handle); 1137 1138 ops = priv->ae_handle->dev->ops; 1139 if (!ops->get_regs_len) { 1140 netdev_err(net_dev, "ops->get_regs_len is null!\n"); 1141 return -EOPNOTSUPP; 1142 } 1143 1144 reg_num = ops->get_regs_len(priv->ae_handle); 1145 if (reg_num > 0) 1146 return reg_num * sizeof(u32); 1147 else 1148 return reg_num; /* error code */ 1149 } 1150 1151 /** 1152 * hns_nic_nway_reset - nway reset 1153 * @dev: net device 1154 * 1155 * Return 0 on success, negative on failure 1156 */ 1157 static int hns_nic_nway_reset(struct net_device *netdev) 1158 { 1159 int ret = 0; 1160 struct hns_nic_priv *priv = netdev_priv(netdev); 1161 struct phy_device *phy = priv->phy; 1162 1163 if (netif_running(netdev)) { 1164 if (phy) 1165 ret = genphy_restart_aneg(phy); 1166 } 1167 1168 return ret; 1169 } 1170 1171 static u32 1172 hns_get_rss_key_size(struct net_device *netdev) 1173 { 1174 struct hns_nic_priv *priv = netdev_priv(netdev); 1175 struct hnae_ae_ops *ops; 1176 u32 ret; 1177 1178 if (AE_IS_VER1(priv->enet_ver)) { 1179 netdev_err(netdev, 1180 "RSS feature is not supported on this hardware\n"); 1181 return -EOPNOTSUPP; 1182 } 1183 1184 ops = priv->ae_handle->dev->ops; 1185 ret = ops->get_rss_key_size(priv->ae_handle); 1186 1187 return ret; 1188 } 1189 1190 static u32 1191 hns_get_rss_indir_size(struct net_device *netdev) 1192 { 1193 struct hns_nic_priv *priv = netdev_priv(netdev); 1194 struct hnae_ae_ops *ops; 1195 u32 ret; 1196 1197 if (AE_IS_VER1(priv->enet_ver)) { 1198 netdev_err(netdev, 1199 "RSS feature is not supported on this hardware\n"); 1200 return -EOPNOTSUPP; 1201 } 1202 1203 ops = priv->ae_handle->dev->ops; 1204 ret = ops->get_rss_indir_size(priv->ae_handle); 1205 1206 return ret; 1207 } 1208 1209 static int 1210 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 1211 { 1212 struct hns_nic_priv *priv = netdev_priv(netdev); 1213 struct hnae_ae_ops *ops; 1214 int ret; 1215 1216 if (AE_IS_VER1(priv->enet_ver)) { 1217 netdev_err(netdev, 1218 "RSS feature is not supported on this hardware\n"); 1219 return -EOPNOTSUPP; 1220 } 1221 1222 ops = priv->ae_handle->dev->ops; 1223 1224 if (!indir) 1225 return 0; 1226 1227 ret = ops->get_rss(priv->ae_handle, indir, key, hfunc); 1228 1229 return 0; 1230 } 1231 1232 static int 1233 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key, 1234 const u8 hfunc) 1235 { 1236 struct hns_nic_priv *priv = netdev_priv(netdev); 1237 struct hnae_ae_ops *ops; 1238 int ret; 1239 1240 if (AE_IS_VER1(priv->enet_ver)) { 1241 netdev_err(netdev, 1242 "RSS feature is not supported on this hardware\n"); 1243 return -EOPNOTSUPP; 1244 } 1245 1246 ops = priv->ae_handle->dev->ops; 1247 1248 /* currently hfunc can only be Toeplitz hash */ 1249 if (key || 1250 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1251 return -EOPNOTSUPP; 1252 if (!indir) 1253 return 0; 1254 1255 ret = ops->set_rss(priv->ae_handle, indir, key, hfunc); 1256 1257 return 0; 1258 } 1259 1260 static struct ethtool_ops hns_ethtool_ops = { 1261 .get_drvinfo = hns_nic_get_drvinfo, 1262 .get_link = hns_nic_get_link, 1263 .get_settings = hns_nic_get_settings, 1264 .set_settings = hns_nic_set_settings, 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 }; 1284 1285 void hns_ethtool_set_ops(struct net_device *ndev) 1286 { 1287 ndev->ethtool_ops = &hns_ethtool_ops; 1288 } 1289