1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/string.h> 6 #include <linux/phy.h> 7 8 #include "hns3_enet.h" 9 10 struct hns3_stats { 11 char stats_string[ETH_GSTRING_LEN]; 12 int stats_offset; 13 }; 14 15 /* tqp related stats */ 16 #define HNS3_TQP_STAT(_string, _member) { \ 17 .stats_string = _string, \ 18 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 19 offsetof(struct ring_stats, _member), \ 20 } 21 22 static const struct hns3_stats hns3_txq_stats[] = { 23 /* Tx per-queue statistics */ 24 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 25 HNS3_TQP_STAT("dropped", sw_err_cnt), 26 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 27 HNS3_TQP_STAT("packets", tx_pkts), 28 HNS3_TQP_STAT("bytes", tx_bytes), 29 HNS3_TQP_STAT("errors", tx_err_cnt), 30 HNS3_TQP_STAT("wake", restart_queue), 31 HNS3_TQP_STAT("busy", tx_busy), 32 }; 33 34 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 35 36 static const struct hns3_stats hns3_rxq_stats[] = { 37 /* Rx per-queue statistics */ 38 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 39 HNS3_TQP_STAT("dropped", sw_err_cnt), 40 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 41 HNS3_TQP_STAT("packets", rx_pkts), 42 HNS3_TQP_STAT("bytes", rx_bytes), 43 HNS3_TQP_STAT("errors", rx_err_cnt), 44 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 45 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 46 HNS3_TQP_STAT("non_vld_descs", non_vld_descs), 47 HNS3_TQP_STAT("err_bd_num", err_bd_num), 48 HNS3_TQP_STAT("l2_err", l2_err), 49 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 50 HNS3_TQP_STAT("multicast", rx_multicast), 51 }; 52 53 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 54 55 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 56 57 #define HNS3_SELF_TEST_TYPE_NUM 3 58 #define HNS3_NIC_LB_TEST_PKT_NUM 1 59 #define HNS3_NIC_LB_TEST_RING_ID 0 60 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 61 62 /* Nic loopback test err */ 63 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 64 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 65 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 66 67 struct hns3_link_mode_mapping { 68 u32 hns3_link_mode; 69 u32 ethtool_link_mode; 70 }; 71 72 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 73 { 74 struct hnae3_handle *h = hns3_get_handle(ndev); 75 bool vlan_filter_enable; 76 int ret; 77 78 if (!h->ae_algo->ops->set_loopback || 79 !h->ae_algo->ops->set_promisc_mode) 80 return -EOPNOTSUPP; 81 82 switch (loop) { 83 case HNAE3_LOOP_SERIAL_SERDES: 84 case HNAE3_LOOP_PARALLEL_SERDES: 85 case HNAE3_LOOP_APP: 86 ret = h->ae_algo->ops->set_loopback(h, loop, en); 87 break; 88 default: 89 ret = -ENOTSUPP; 90 break; 91 } 92 93 if (ret) 94 return ret; 95 96 if (en) { 97 h->ae_algo->ops->set_promisc_mode(h, true, true); 98 } else { 99 /* recover promisc mode before loopback test */ 100 hns3_update_promisc_mode(ndev, h->netdev_flags); 101 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 102 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 103 } 104 105 return ret; 106 } 107 108 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 109 { 110 struct hnae3_handle *h = hns3_get_handle(ndev); 111 int ret; 112 113 ret = hns3_nic_reset_all_ring(h); 114 if (ret) 115 return ret; 116 117 ret = hns3_lp_setup(ndev, loop_mode, true); 118 usleep_range(10000, 20000); 119 120 return ret; 121 } 122 123 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 124 { 125 int ret; 126 127 ret = hns3_lp_setup(ndev, loop_mode, false); 128 if (ret) { 129 netdev_err(ndev, "lb_setup return error: %d\n", ret); 130 return ret; 131 } 132 133 usleep_range(10000, 20000); 134 135 return 0; 136 } 137 138 static void hns3_lp_setup_skb(struct sk_buff *skb) 139 { 140 struct net_device *ndev = skb->dev; 141 unsigned char *packet; 142 struct ethhdr *ethh; 143 unsigned int i; 144 145 skb_reserve(skb, NET_IP_ALIGN); 146 ethh = skb_put(skb, sizeof(struct ethhdr)); 147 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 148 149 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 150 ethh->h_dest[5] += 0x1f; 151 eth_zero_addr(ethh->h_source); 152 ethh->h_proto = htons(ETH_P_ARP); 153 skb_reset_mac_header(skb); 154 155 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 156 packet[i] = (unsigned char)(i & 0xff); 157 } 158 159 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 160 struct sk_buff *skb) 161 { 162 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 163 unsigned char *packet = skb->data; 164 u32 i; 165 166 for (i = 0; i < skb->len; i++) 167 if (packet[i] != (unsigned char)(i & 0xff)) 168 break; 169 170 /* The packet is correctly received */ 171 if (i == skb->len) 172 tqp_vector->rx_group.total_packets++; 173 else 174 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 175 skb->data, skb->len, true); 176 177 dev_kfree_skb_any(skb); 178 } 179 180 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 181 { 182 struct hnae3_handle *h = priv->ae_handle; 183 struct hnae3_knic_private_info *kinfo; 184 u32 i, rcv_good_pkt_total = 0; 185 186 kinfo = &h->kinfo; 187 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 188 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 189 struct hns3_enet_ring_group *rx_group; 190 u64 pre_rx_pkt; 191 192 rx_group = &ring->tqp_vector->rx_group; 193 pre_rx_pkt = rx_group->total_packets; 194 195 preempt_disable(); 196 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 197 preempt_enable(); 198 199 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 200 rx_group->total_packets = pre_rx_pkt; 201 } 202 return rcv_good_pkt_total; 203 } 204 205 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 206 u32 end_ringid, u32 budget) 207 { 208 u32 i; 209 210 for (i = start_ringid; i <= end_ringid; i++) { 211 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 212 213 hns3_clean_tx_ring(ring); 214 } 215 } 216 217 /** 218 * hns3_lp_run_test - run loopback test 219 * @ndev: net device 220 * @mode: loopback type 221 */ 222 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 223 { 224 struct hns3_nic_priv *priv = netdev_priv(ndev); 225 struct sk_buff *skb; 226 u32 i, good_cnt; 227 int ret_val = 0; 228 229 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 230 GFP_KERNEL); 231 if (!skb) 232 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 233 234 skb->dev = ndev; 235 hns3_lp_setup_skb(skb); 236 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 237 238 good_cnt = 0; 239 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 240 netdev_tx_t tx_ret; 241 242 skb_get(skb); 243 tx_ret = hns3_nic_net_xmit(skb, ndev); 244 if (tx_ret == NETDEV_TX_OK) 245 good_cnt++; 246 else 247 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 248 tx_ret); 249 } 250 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 251 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 252 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 253 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 254 goto out; 255 } 256 257 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 258 msleep(200); 259 260 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 261 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 262 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 263 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 264 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 265 } 266 267 out: 268 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 269 HNS3_NIC_LB_TEST_RING_ID, 270 HNS3_NIC_LB_TEST_PKT_NUM); 271 272 kfree_skb(skb); 273 return ret_val; 274 } 275 276 /** 277 * hns3_nic_self_test - self test 278 * @ndev: net device 279 * @eth_test: test cmd 280 * @data: test result 281 */ 282 static void hns3_self_test(struct net_device *ndev, 283 struct ethtool_test *eth_test, u64 *data) 284 { 285 struct hns3_nic_priv *priv = netdev_priv(ndev); 286 struct hnae3_handle *h = priv->ae_handle; 287 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 288 bool if_running = netif_running(ndev); 289 #if IS_ENABLED(CONFIG_VLAN_8021Q) 290 bool dis_vlan_filter; 291 #endif 292 int test_index = 0; 293 u32 i; 294 295 if (hns3_nic_resetting(ndev)) { 296 netdev_err(ndev, "dev resetting!"); 297 return; 298 } 299 300 /* Only do offline selftest, or pass by default */ 301 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 302 return; 303 304 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 305 st_param[HNAE3_LOOP_APP][1] = 306 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 307 308 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 309 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 310 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 311 312 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 313 HNAE3_LOOP_PARALLEL_SERDES; 314 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 315 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 316 317 if (if_running) 318 ndev->netdev_ops->ndo_stop(ndev); 319 320 #if IS_ENABLED(CONFIG_VLAN_8021Q) 321 /* Disable the vlan filter for selftest does not support it */ 322 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 323 h->ae_algo->ops->enable_vlan_filter; 324 if (dis_vlan_filter) 325 h->ae_algo->ops->enable_vlan_filter(h, false); 326 #endif 327 328 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 329 330 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 331 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 332 333 if (!st_param[i][1]) 334 continue; 335 336 data[test_index] = hns3_lp_up(ndev, loop_type); 337 if (!data[test_index]) 338 data[test_index] = hns3_lp_run_test(ndev, loop_type); 339 340 hns3_lp_down(ndev, loop_type); 341 342 if (data[test_index]) 343 eth_test->flags |= ETH_TEST_FL_FAILED; 344 345 test_index++; 346 } 347 348 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 349 350 #if IS_ENABLED(CONFIG_VLAN_8021Q) 351 if (dis_vlan_filter) 352 h->ae_algo->ops->enable_vlan_filter(h, true); 353 #endif 354 355 if (if_running) 356 ndev->netdev_ops->ndo_open(ndev); 357 } 358 359 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 360 { 361 struct hnae3_handle *h = hns3_get_handle(netdev); 362 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 363 364 if (!ops->get_sset_count) 365 return -EOPNOTSUPP; 366 367 switch (stringset) { 368 case ETH_SS_STATS: 369 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 370 ops->get_sset_count(h, stringset)); 371 372 case ETH_SS_TEST: 373 return ops->get_sset_count(h, stringset); 374 375 default: 376 return -EOPNOTSUPP; 377 } 378 } 379 380 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 381 u32 stat_count, u32 num_tqps, const char *prefix) 382 { 383 #define MAX_PREFIX_SIZE (6 + 4) 384 u32 size_left; 385 u32 i, j; 386 u32 n1; 387 388 for (i = 0; i < num_tqps; i++) { 389 for (j = 0; j < stat_count; j++) { 390 data[ETH_GSTRING_LEN - 1] = '\0'; 391 392 /* first, prepend the prefix string */ 393 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 394 prefix, i); 395 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 396 size_left = (ETH_GSTRING_LEN - 1) - n1; 397 398 /* now, concatenate the stats string to it */ 399 strncat(data, stats[j].stats_string, size_left); 400 data += ETH_GSTRING_LEN; 401 } 402 } 403 404 return data; 405 } 406 407 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 408 { 409 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 410 const char tx_prefix[] = "txq"; 411 const char rx_prefix[] = "rxq"; 412 413 /* get strings for Tx */ 414 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 415 kinfo->num_tqps, tx_prefix); 416 417 /* get strings for Rx */ 418 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 419 kinfo->num_tqps, rx_prefix); 420 421 return data; 422 } 423 424 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 425 { 426 struct hnae3_handle *h = hns3_get_handle(netdev); 427 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 428 char *buff = (char *)data; 429 430 if (!ops->get_strings) 431 return; 432 433 switch (stringset) { 434 case ETH_SS_STATS: 435 buff = hns3_get_strings_tqps(h, buff); 436 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 437 break; 438 case ETH_SS_TEST: 439 ops->get_strings(h, stringset, data); 440 break; 441 default: 442 break; 443 } 444 } 445 446 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 447 { 448 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 449 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 450 struct hns3_enet_ring *ring; 451 u8 *stat; 452 int i, j; 453 454 /* get stats for Tx */ 455 for (i = 0; i < kinfo->num_tqps; i++) { 456 ring = nic_priv->ring_data[i].ring; 457 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 458 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 459 *data++ = *(u64 *)stat; 460 } 461 } 462 463 /* get stats for Rx */ 464 for (i = 0; i < kinfo->num_tqps; i++) { 465 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 466 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 467 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 468 *data++ = *(u64 *)stat; 469 } 470 } 471 472 return data; 473 } 474 475 /* hns3_get_stats - get detail statistics. 476 * @netdev: net device 477 * @stats: statistics info. 478 * @data: statistics data. 479 */ 480 static void hns3_get_stats(struct net_device *netdev, 481 struct ethtool_stats *stats, u64 *data) 482 { 483 struct hnae3_handle *h = hns3_get_handle(netdev); 484 u64 *p = data; 485 486 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 487 netdev_err(netdev, "could not get any statistics\n"); 488 return; 489 } 490 491 h->ae_algo->ops->update_stats(h, &netdev->stats); 492 493 /* get per-queue stats */ 494 p = hns3_get_stats_tqps(h, p); 495 496 /* get MAC & other misc hardware stats */ 497 h->ae_algo->ops->get_stats(h, p); 498 } 499 500 static void hns3_get_drvinfo(struct net_device *netdev, 501 struct ethtool_drvinfo *drvinfo) 502 { 503 struct hns3_nic_priv *priv = netdev_priv(netdev); 504 struct hnae3_handle *h = priv->ae_handle; 505 506 strncpy(drvinfo->version, hns3_driver_version, 507 sizeof(drvinfo->version)); 508 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 509 510 strncpy(drvinfo->driver, h->pdev->driver->name, 511 sizeof(drvinfo->driver)); 512 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 513 514 strncpy(drvinfo->bus_info, pci_name(h->pdev), 515 sizeof(drvinfo->bus_info)); 516 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 517 518 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 519 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 520 } 521 522 static u32 hns3_get_link(struct net_device *netdev) 523 { 524 struct hnae3_handle *h = hns3_get_handle(netdev); 525 526 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 527 return h->ae_algo->ops->get_status(h); 528 else 529 return 0; 530 } 531 532 static void hns3_get_ringparam(struct net_device *netdev, 533 struct ethtool_ringparam *param) 534 { 535 struct hns3_nic_priv *priv = netdev_priv(netdev); 536 struct hnae3_handle *h = priv->ae_handle; 537 int queue_num = h->kinfo.num_tqps; 538 539 if (hns3_nic_resetting(netdev)) { 540 netdev_err(netdev, "dev resetting!"); 541 return; 542 } 543 544 param->tx_max_pending = HNS3_RING_MAX_PENDING; 545 param->rx_max_pending = HNS3_RING_MAX_PENDING; 546 547 param->tx_pending = priv->ring_data[0].ring->desc_num; 548 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 549 } 550 551 static void hns3_get_pauseparam(struct net_device *netdev, 552 struct ethtool_pauseparam *param) 553 { 554 struct hnae3_handle *h = hns3_get_handle(netdev); 555 556 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 557 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 558 ¶m->rx_pause, ¶m->tx_pause); 559 } 560 561 static int hns3_set_pauseparam(struct net_device *netdev, 562 struct ethtool_pauseparam *param) 563 { 564 struct hnae3_handle *h = hns3_get_handle(netdev); 565 566 if (h->ae_algo->ops->set_pauseparam) 567 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 568 param->rx_pause, 569 param->tx_pause); 570 return -EOPNOTSUPP; 571 } 572 573 static void hns3_get_ksettings(struct hnae3_handle *h, 574 struct ethtool_link_ksettings *cmd) 575 { 576 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 577 578 /* 1.auto_neg & speed & duplex from cmd */ 579 if (ops->get_ksettings_an_result) 580 ops->get_ksettings_an_result(h, 581 &cmd->base.autoneg, 582 &cmd->base.speed, 583 &cmd->base.duplex); 584 585 /* 2.get link mode*/ 586 if (ops->get_link_mode) 587 ops->get_link_mode(h, 588 cmd->link_modes.supported, 589 cmd->link_modes.advertising); 590 591 /* 3.mdix_ctrl&mdix get from phy reg */ 592 if (ops->get_mdix_mode) 593 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 594 &cmd->base.eth_tp_mdix); 595 } 596 597 static int hns3_get_link_ksettings(struct net_device *netdev, 598 struct ethtool_link_ksettings *cmd) 599 { 600 struct hnae3_handle *h = hns3_get_handle(netdev); 601 const struct hnae3_ae_ops *ops; 602 u8 media_type; 603 u8 link_stat; 604 605 if (!h->ae_algo || !h->ae_algo->ops) 606 return -EOPNOTSUPP; 607 608 ops = h->ae_algo->ops; 609 if (ops->get_media_type) 610 ops->get_media_type(h, &media_type); 611 else 612 return -EOPNOTSUPP; 613 614 switch (media_type) { 615 case HNAE3_MEDIA_TYPE_NONE: 616 cmd->base.port = PORT_NONE; 617 hns3_get_ksettings(h, cmd); 618 break; 619 case HNAE3_MEDIA_TYPE_FIBER: 620 cmd->base.port = PORT_FIBRE; 621 hns3_get_ksettings(h, cmd); 622 break; 623 case HNAE3_MEDIA_TYPE_COPPER: 624 if (!netdev->phydev) 625 return -EOPNOTSUPP; 626 627 cmd->base.port = PORT_TP; 628 phy_ethtool_ksettings_get(netdev->phydev, cmd); 629 630 break; 631 default: 632 633 netdev_warn(netdev, "Unknown media type"); 634 return 0; 635 } 636 637 /* mdio_support */ 638 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 639 640 link_stat = hns3_get_link(netdev); 641 if (!link_stat) { 642 cmd->base.speed = SPEED_UNKNOWN; 643 cmd->base.duplex = DUPLEX_UNKNOWN; 644 } 645 646 return 0; 647 } 648 649 static int hns3_set_link_ksettings(struct net_device *netdev, 650 const struct ethtool_link_ksettings *cmd) 651 { 652 /* Only support ksettings_set for netdev with phy attached for now */ 653 if (netdev->phydev) 654 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 655 656 return -EOPNOTSUPP; 657 } 658 659 static u32 hns3_get_rss_key_size(struct net_device *netdev) 660 { 661 struct hnae3_handle *h = hns3_get_handle(netdev); 662 663 if (!h->ae_algo || !h->ae_algo->ops || 664 !h->ae_algo->ops->get_rss_key_size) 665 return 0; 666 667 return h->ae_algo->ops->get_rss_key_size(h); 668 } 669 670 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 671 { 672 struct hnae3_handle *h = hns3_get_handle(netdev); 673 674 if (!h->ae_algo || !h->ae_algo->ops || 675 !h->ae_algo->ops->get_rss_indir_size) 676 return 0; 677 678 return h->ae_algo->ops->get_rss_indir_size(h); 679 } 680 681 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 682 u8 *hfunc) 683 { 684 struct hnae3_handle *h = hns3_get_handle(netdev); 685 686 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 687 return -EOPNOTSUPP; 688 689 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 690 } 691 692 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 693 const u8 *key, const u8 hfunc) 694 { 695 struct hnae3_handle *h = hns3_get_handle(netdev); 696 697 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 698 return -EOPNOTSUPP; 699 700 if ((h->pdev->revision == 0x20 && 701 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 702 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 703 netdev_err(netdev, "hash func not supported\n"); 704 return -EOPNOTSUPP; 705 } 706 707 if (!indir) { 708 netdev_err(netdev, 709 "set rss failed for indir is empty\n"); 710 return -EOPNOTSUPP; 711 } 712 713 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 714 } 715 716 static int hns3_get_rxnfc(struct net_device *netdev, 717 struct ethtool_rxnfc *cmd, 718 u32 *rule_locs) 719 { 720 struct hnae3_handle *h = hns3_get_handle(netdev); 721 722 if (!h->ae_algo || !h->ae_algo->ops) 723 return -EOPNOTSUPP; 724 725 switch (cmd->cmd) { 726 case ETHTOOL_GRXRINGS: 727 cmd->data = h->kinfo.num_tqps; 728 return 0; 729 case ETHTOOL_GRXFH: 730 if (h->ae_algo->ops->get_rss_tuple) 731 return h->ae_algo->ops->get_rss_tuple(h, cmd); 732 return -EOPNOTSUPP; 733 case ETHTOOL_GRXCLSRLCNT: 734 if (h->ae_algo->ops->get_fd_rule_cnt) 735 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 736 return -EOPNOTSUPP; 737 case ETHTOOL_GRXCLSRULE: 738 if (h->ae_algo->ops->get_fd_rule_info) 739 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 740 return -EOPNOTSUPP; 741 case ETHTOOL_GRXCLSRLALL: 742 if (h->ae_algo->ops->get_fd_all_rules) 743 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 744 rule_locs); 745 return -EOPNOTSUPP; 746 default: 747 return -EOPNOTSUPP; 748 } 749 } 750 751 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 752 u32 new_desc_num) 753 { 754 struct hnae3_handle *h = priv->ae_handle; 755 int i; 756 757 h->kinfo.num_desc = new_desc_num; 758 759 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 760 priv->ring_data[i].ring->desc_num = new_desc_num; 761 762 return hns3_init_all_ring(priv); 763 } 764 765 static int hns3_set_ringparam(struct net_device *ndev, 766 struct ethtool_ringparam *param) 767 { 768 struct hns3_nic_priv *priv = netdev_priv(ndev); 769 struct hnae3_handle *h = priv->ae_handle; 770 bool if_running = netif_running(ndev); 771 u32 old_desc_num, new_desc_num; 772 int ret; 773 774 if (hns3_nic_resetting(ndev)) 775 return -EBUSY; 776 777 if (param->rx_mini_pending || param->rx_jumbo_pending) 778 return -EINVAL; 779 780 if (param->tx_pending != param->rx_pending) { 781 netdev_err(ndev, 782 "Descriptors of tx and rx must be equal"); 783 return -EINVAL; 784 } 785 786 if (param->tx_pending > HNS3_RING_MAX_PENDING || 787 param->tx_pending < HNS3_RING_MIN_PENDING) { 788 netdev_err(ndev, 789 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 790 param->tx_pending, HNS3_RING_MIN_PENDING, 791 HNS3_RING_MAX_PENDING); 792 return -EINVAL; 793 } 794 795 new_desc_num = param->tx_pending; 796 797 /* Hardware requires that its descriptors must be multiple of eight */ 798 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 799 old_desc_num = h->kinfo.num_desc; 800 if (old_desc_num == new_desc_num) 801 return 0; 802 803 netdev_info(ndev, 804 "Changing descriptor count from %d to %d.\n", 805 old_desc_num, new_desc_num); 806 807 if (if_running) 808 dev_close(ndev); 809 810 ret = hns3_uninit_all_ring(priv); 811 if (ret) 812 return ret; 813 814 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 815 if (ret) { 816 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 817 if (ret) { 818 netdev_err(ndev, 819 "Revert to old bd num fail, ret=%d.\n", ret); 820 return ret; 821 } 822 } 823 824 if (if_running) 825 ret = dev_open(ndev, NULL); 826 827 return ret; 828 } 829 830 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 831 { 832 struct hnae3_handle *h = hns3_get_handle(netdev); 833 834 if (!h->ae_algo || !h->ae_algo->ops) 835 return -EOPNOTSUPP; 836 837 switch (cmd->cmd) { 838 case ETHTOOL_SRXFH: 839 if (h->ae_algo->ops->set_rss_tuple) 840 return h->ae_algo->ops->set_rss_tuple(h, cmd); 841 return -EOPNOTSUPP; 842 case ETHTOOL_SRXCLSRLINS: 843 if (h->ae_algo->ops->add_fd_entry) 844 return h->ae_algo->ops->add_fd_entry(h, cmd); 845 return -EOPNOTSUPP; 846 case ETHTOOL_SRXCLSRLDEL: 847 if (h->ae_algo->ops->del_fd_entry) 848 return h->ae_algo->ops->del_fd_entry(h, cmd); 849 return -EOPNOTSUPP; 850 default: 851 return -EOPNOTSUPP; 852 } 853 } 854 855 static int hns3_nway_reset(struct net_device *netdev) 856 { 857 struct phy_device *phy = netdev->phydev; 858 859 if (!netif_running(netdev)) 860 return 0; 861 862 /* Only support nway_reset for netdev with phy attached for now */ 863 if (!phy) 864 return -EOPNOTSUPP; 865 866 if (phy->autoneg != AUTONEG_ENABLE) 867 return -EINVAL; 868 869 return genphy_restart_aneg(phy); 870 } 871 872 static void hns3_get_channels(struct net_device *netdev, 873 struct ethtool_channels *ch) 874 { 875 struct hnae3_handle *h = hns3_get_handle(netdev); 876 877 if (h->ae_algo->ops->get_channels) 878 h->ae_algo->ops->get_channels(h, ch); 879 } 880 881 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 882 struct ethtool_coalesce *cmd) 883 { 884 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 885 struct hns3_nic_priv *priv = netdev_priv(netdev); 886 struct hnae3_handle *h = priv->ae_handle; 887 u16 queue_num = h->kinfo.num_tqps; 888 889 if (hns3_nic_resetting(netdev)) 890 return -EBUSY; 891 892 if (queue >= queue_num) { 893 netdev_err(netdev, 894 "Invalid queue value %d! Queue max id=%d\n", 895 queue, queue_num - 1); 896 return -EINVAL; 897 } 898 899 tx_vector = priv->ring_data[queue].ring->tqp_vector; 900 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 901 902 cmd->use_adaptive_tx_coalesce = 903 tx_vector->tx_group.coal.gl_adapt_enable; 904 cmd->use_adaptive_rx_coalesce = 905 rx_vector->rx_group.coal.gl_adapt_enable; 906 907 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 908 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 909 910 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 911 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 912 913 return 0; 914 } 915 916 static int hns3_get_coalesce(struct net_device *netdev, 917 struct ethtool_coalesce *cmd) 918 { 919 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 920 } 921 922 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 923 struct ethtool_coalesce *cmd) 924 { 925 u32 rx_gl, tx_gl; 926 927 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 928 netdev_err(netdev, 929 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 930 HNS3_INT_GL_MAX); 931 return -EINVAL; 932 } 933 934 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 935 netdev_err(netdev, 936 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 937 HNS3_INT_GL_MAX); 938 return -EINVAL; 939 } 940 941 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 942 if (rx_gl != cmd->rx_coalesce_usecs) { 943 netdev_info(netdev, 944 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 945 cmd->rx_coalesce_usecs, rx_gl); 946 } 947 948 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 949 if (tx_gl != cmd->tx_coalesce_usecs) { 950 netdev_info(netdev, 951 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 952 cmd->tx_coalesce_usecs, tx_gl); 953 } 954 955 return 0; 956 } 957 958 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 959 struct ethtool_coalesce *cmd) 960 { 961 u32 rl; 962 963 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 964 netdev_err(netdev, 965 "tx_usecs_high must be same as rx_usecs_high.\n"); 966 return -EINVAL; 967 } 968 969 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 970 netdev_err(netdev, 971 "Invalid usecs_high value, usecs_high range is 0-%d\n", 972 HNS3_INT_RL_MAX); 973 return -EINVAL; 974 } 975 976 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 977 if (rl != cmd->rx_coalesce_usecs_high) { 978 netdev_info(netdev, 979 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 980 cmd->rx_coalesce_usecs_high, rl); 981 } 982 983 return 0; 984 } 985 986 static int hns3_check_coalesce_para(struct net_device *netdev, 987 struct ethtool_coalesce *cmd) 988 { 989 int ret; 990 991 ret = hns3_check_gl_coalesce_para(netdev, cmd); 992 if (ret) { 993 netdev_err(netdev, 994 "Check gl coalesce param fail. ret = %d\n", ret); 995 return ret; 996 } 997 998 ret = hns3_check_rl_coalesce_para(netdev, cmd); 999 if (ret) { 1000 netdev_err(netdev, 1001 "Check rl coalesce param fail. ret = %d\n", ret); 1002 return ret; 1003 } 1004 1005 if (cmd->use_adaptive_tx_coalesce == 1 || 1006 cmd->use_adaptive_rx_coalesce == 1) { 1007 netdev_info(netdev, 1008 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1009 cmd->use_adaptive_tx_coalesce, 1010 cmd->use_adaptive_rx_coalesce); 1011 } 1012 1013 return 0; 1014 } 1015 1016 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1017 struct ethtool_coalesce *cmd, 1018 u32 queue) 1019 { 1020 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1021 struct hns3_nic_priv *priv = netdev_priv(netdev); 1022 struct hnae3_handle *h = priv->ae_handle; 1023 int queue_num = h->kinfo.num_tqps; 1024 1025 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1026 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1027 1028 tx_vector->tx_group.coal.gl_adapt_enable = 1029 cmd->use_adaptive_tx_coalesce; 1030 rx_vector->rx_group.coal.gl_adapt_enable = 1031 cmd->use_adaptive_rx_coalesce; 1032 1033 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1034 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1035 1036 hns3_set_vector_coalesce_tx_gl(tx_vector, 1037 tx_vector->tx_group.coal.int_gl); 1038 hns3_set_vector_coalesce_rx_gl(rx_vector, 1039 rx_vector->rx_group.coal.int_gl); 1040 1041 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1042 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1043 } 1044 1045 static int hns3_set_coalesce(struct net_device *netdev, 1046 struct ethtool_coalesce *cmd) 1047 { 1048 struct hnae3_handle *h = hns3_get_handle(netdev); 1049 u16 queue_num = h->kinfo.num_tqps; 1050 int ret; 1051 int i; 1052 1053 if (hns3_nic_resetting(netdev)) 1054 return -EBUSY; 1055 1056 ret = hns3_check_coalesce_para(netdev, cmd); 1057 if (ret) 1058 return ret; 1059 1060 h->kinfo.int_rl_setting = 1061 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1062 1063 for (i = 0; i < queue_num; i++) 1064 hns3_set_coalesce_per_queue(netdev, cmd, i); 1065 1066 return 0; 1067 } 1068 1069 static int hns3_get_regs_len(struct net_device *netdev) 1070 { 1071 struct hnae3_handle *h = hns3_get_handle(netdev); 1072 1073 if (!h->ae_algo->ops->get_regs_len) 1074 return -EOPNOTSUPP; 1075 1076 return h->ae_algo->ops->get_regs_len(h); 1077 } 1078 1079 static void hns3_get_regs(struct net_device *netdev, 1080 struct ethtool_regs *cmd, void *data) 1081 { 1082 struct hnae3_handle *h = hns3_get_handle(netdev); 1083 1084 if (!h->ae_algo->ops->get_regs) 1085 return; 1086 1087 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1088 } 1089 1090 static int hns3_set_phys_id(struct net_device *netdev, 1091 enum ethtool_phys_id_state state) 1092 { 1093 struct hnae3_handle *h = hns3_get_handle(netdev); 1094 1095 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) 1096 return -EOPNOTSUPP; 1097 1098 return h->ae_algo->ops->set_led_id(h, state); 1099 } 1100 1101 static const struct ethtool_ops hns3vf_ethtool_ops = { 1102 .get_drvinfo = hns3_get_drvinfo, 1103 .get_ringparam = hns3_get_ringparam, 1104 .set_ringparam = hns3_set_ringparam, 1105 .get_strings = hns3_get_strings, 1106 .get_ethtool_stats = hns3_get_stats, 1107 .get_sset_count = hns3_get_sset_count, 1108 .get_rxnfc = hns3_get_rxnfc, 1109 .set_rxnfc = hns3_set_rxnfc, 1110 .get_rxfh_key_size = hns3_get_rss_key_size, 1111 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1112 .get_rxfh = hns3_get_rss, 1113 .set_rxfh = hns3_set_rss, 1114 .get_link_ksettings = hns3_get_link_ksettings, 1115 .get_channels = hns3_get_channels, 1116 .get_coalesce = hns3_get_coalesce, 1117 .set_coalesce = hns3_set_coalesce, 1118 .get_link = hns3_get_link, 1119 }; 1120 1121 static const struct ethtool_ops hns3_ethtool_ops = { 1122 .self_test = hns3_self_test, 1123 .get_drvinfo = hns3_get_drvinfo, 1124 .get_link = hns3_get_link, 1125 .get_ringparam = hns3_get_ringparam, 1126 .set_ringparam = hns3_set_ringparam, 1127 .get_pauseparam = hns3_get_pauseparam, 1128 .set_pauseparam = hns3_set_pauseparam, 1129 .get_strings = hns3_get_strings, 1130 .get_ethtool_stats = hns3_get_stats, 1131 .get_sset_count = hns3_get_sset_count, 1132 .get_rxnfc = hns3_get_rxnfc, 1133 .set_rxnfc = hns3_set_rxnfc, 1134 .get_rxfh_key_size = hns3_get_rss_key_size, 1135 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1136 .get_rxfh = hns3_get_rss, 1137 .set_rxfh = hns3_set_rss, 1138 .get_link_ksettings = hns3_get_link_ksettings, 1139 .set_link_ksettings = hns3_set_link_ksettings, 1140 .nway_reset = hns3_nway_reset, 1141 .get_channels = hns3_get_channels, 1142 .set_channels = hns3_set_channels, 1143 .get_coalesce = hns3_get_coalesce, 1144 .set_coalesce = hns3_set_coalesce, 1145 .get_regs_len = hns3_get_regs_len, 1146 .get_regs = hns3_get_regs, 1147 .set_phys_id = hns3_set_phys_id, 1148 }; 1149 1150 void hns3_ethtool_set_ops(struct net_device *netdev) 1151 { 1152 struct hnae3_handle *h = hns3_get_handle(netdev); 1153 1154 if (h->flags & HNAE3_SUPPORT_VF) 1155 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1156 else 1157 netdev->ethtool_ops = &hns3_ethtool_ops; 1158 } 1159