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