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