1 /* 2 * Copyright (c) 2016~2017 Hisilicon Limited. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 */ 9 10 #include <linux/etherdevice.h> 11 #include <linux/string.h> 12 #include <linux/phy.h> 13 14 #include "hns3_enet.h" 15 16 struct hns3_stats { 17 char stats_string[ETH_GSTRING_LEN]; 18 int stats_offset; 19 }; 20 21 /* tqp related stats */ 22 #define HNS3_TQP_STAT(_string, _member) { \ 23 .stats_string = _string, \ 24 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 25 offsetof(struct ring_stats, _member), \ 26 } 27 28 static const struct hns3_stats hns3_txq_stats[] = { 29 /* Tx per-queue statistics */ 30 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 31 HNS3_TQP_STAT("tx_dropped", sw_err_cnt), 32 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 33 HNS3_TQP_STAT("packets", tx_pkts), 34 HNS3_TQP_STAT("bytes", tx_bytes), 35 HNS3_TQP_STAT("errors", tx_err_cnt), 36 HNS3_TQP_STAT("tx_wake", restart_queue), 37 HNS3_TQP_STAT("tx_busy", tx_busy), 38 }; 39 40 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 41 42 static const struct hns3_stats hns3_rxq_stats[] = { 43 /* Rx per-queue statistics */ 44 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 45 HNS3_TQP_STAT("rx_dropped", sw_err_cnt), 46 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 47 HNS3_TQP_STAT("packets", rx_pkts), 48 HNS3_TQP_STAT("bytes", rx_bytes), 49 HNS3_TQP_STAT("errors", rx_err_cnt), 50 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 51 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 52 HNS3_TQP_STAT("non_vld_descs", non_vld_descs), 53 HNS3_TQP_STAT("err_bd_num", err_bd_num), 54 HNS3_TQP_STAT("l2_err", l2_err), 55 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 56 }; 57 58 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 59 60 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 61 62 #define HNS3_SELF_TEST_TPYE_NUM 1 63 #define HNS3_NIC_LB_TEST_PKT_NUM 1 64 #define HNS3_NIC_LB_TEST_RING_ID 0 65 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 66 67 /* Nic loopback test err */ 68 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 69 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 70 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 71 72 struct hns3_link_mode_mapping { 73 u32 hns3_link_mode; 74 u32 ethtool_link_mode; 75 }; 76 77 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 78 { 79 struct hnae3_handle *h = hns3_get_handle(ndev); 80 int ret; 81 82 if (!h->ae_algo->ops->set_loopback || 83 !h->ae_algo->ops->set_promisc_mode) 84 return -EOPNOTSUPP; 85 86 switch (loop) { 87 case HNAE3_MAC_INTER_LOOP_MAC: 88 ret = h->ae_algo->ops->set_loopback(h, loop, en); 89 break; 90 default: 91 ret = -ENOTSUPP; 92 break; 93 } 94 95 if (ret) 96 return ret; 97 98 h->ae_algo->ops->set_promisc_mode(h, en, en); 99 100 return ret; 101 } 102 103 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 104 { 105 struct hnae3_handle *h = hns3_get_handle(ndev); 106 int ret; 107 108 if (!h->ae_algo->ops->start) 109 return -EOPNOTSUPP; 110 111 ret = hns3_nic_reset_all_ring(h); 112 if (ret) 113 return ret; 114 115 ret = h->ae_algo->ops->start(h); 116 if (ret) { 117 netdev_err(ndev, 118 "hns3_lb_up ae start return error: %d\n", ret); 119 return ret; 120 } 121 122 ret = hns3_lp_setup(ndev, loop_mode, true); 123 usleep_range(10000, 20000); 124 125 return ret; 126 } 127 128 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 129 { 130 struct hnae3_handle *h = hns3_get_handle(ndev); 131 int ret; 132 133 if (!h->ae_algo->ops->stop) 134 return -EOPNOTSUPP; 135 136 ret = hns3_lp_setup(ndev, loop_mode, false); 137 if (ret) { 138 netdev_err(ndev, "lb_setup return error: %d\n", ret); 139 return ret; 140 } 141 142 h->ae_algo->ops->stop(h); 143 usleep_range(10000, 20000); 144 145 return 0; 146 } 147 148 static void hns3_lp_setup_skb(struct sk_buff *skb) 149 { 150 struct net_device *ndev = skb->dev; 151 unsigned char *packet; 152 struct ethhdr *ethh; 153 unsigned int i; 154 155 skb_reserve(skb, NET_IP_ALIGN); 156 ethh = skb_put(skb, sizeof(struct ethhdr)); 157 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 158 159 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 160 eth_zero_addr(ethh->h_source); 161 ethh->h_proto = htons(ETH_P_ARP); 162 skb_reset_mac_header(skb); 163 164 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 165 packet[i] = (unsigned char)(i & 0xff); 166 } 167 168 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 169 struct sk_buff *skb) 170 { 171 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 172 unsigned char *packet = skb->data; 173 u32 i; 174 175 for (i = 0; i < skb->len; i++) 176 if (packet[i] != (unsigned char)(i & 0xff)) 177 break; 178 179 /* The packet is correctly received */ 180 if (i == skb->len) 181 tqp_vector->rx_group.total_packets++; 182 else 183 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 184 skb->data, skb->len, true); 185 186 dev_kfree_skb_any(skb); 187 } 188 189 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 190 { 191 struct hnae3_handle *h = priv->ae_handle; 192 struct hnae3_knic_private_info *kinfo; 193 u32 i, rcv_good_pkt_total = 0; 194 195 kinfo = &h->kinfo; 196 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 197 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 198 struct hns3_enet_ring_group *rx_group; 199 u64 pre_rx_pkt; 200 201 rx_group = &ring->tqp_vector->rx_group; 202 pre_rx_pkt = rx_group->total_packets; 203 204 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 205 206 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 207 rx_group->total_packets = pre_rx_pkt; 208 } 209 return rcv_good_pkt_total; 210 } 211 212 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 213 u32 end_ringid, u32 budget) 214 { 215 u32 i; 216 217 for (i = start_ringid; i <= end_ringid; i++) { 218 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 219 220 hns3_clean_tx_ring(ring, budget); 221 } 222 } 223 224 /** 225 * hns3_lp_run_test - run loopback test 226 * @ndev: net device 227 * @mode: loopback type 228 */ 229 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 230 { 231 struct hns3_nic_priv *priv = netdev_priv(ndev); 232 struct sk_buff *skb; 233 u32 i, good_cnt; 234 int ret_val = 0; 235 236 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 237 GFP_KERNEL); 238 if (!skb) 239 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 240 241 skb->dev = ndev; 242 hns3_lp_setup_skb(skb); 243 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 244 245 good_cnt = 0; 246 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 247 netdev_tx_t tx_ret; 248 249 skb_get(skb); 250 tx_ret = hns3_nic_net_xmit(skb, ndev); 251 if (tx_ret == NETDEV_TX_OK) 252 good_cnt++; 253 else 254 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 255 tx_ret); 256 } 257 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 258 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 259 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 260 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 261 goto out; 262 } 263 264 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 265 msleep(200); 266 267 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 268 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 269 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 270 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 271 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 272 } 273 274 out: 275 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 276 HNS3_NIC_LB_TEST_RING_ID, 277 HNS3_NIC_LB_TEST_PKT_NUM); 278 279 kfree_skb(skb); 280 return ret_val; 281 } 282 283 /** 284 * hns3_nic_self_test - self test 285 * @ndev: net device 286 * @eth_test: test cmd 287 * @data: test result 288 */ 289 static void hns3_self_test(struct net_device *ndev, 290 struct ethtool_test *eth_test, u64 *data) 291 { 292 struct hns3_nic_priv *priv = netdev_priv(ndev); 293 struct hnae3_handle *h = priv->ae_handle; 294 int st_param[HNS3_SELF_TEST_TPYE_NUM][2]; 295 bool if_running = netif_running(ndev); 296 #if IS_ENABLED(CONFIG_VLAN_8021Q) 297 bool dis_vlan_filter; 298 #endif 299 int test_index = 0; 300 u32 i; 301 302 /* Only do offline selftest, or pass by default */ 303 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 304 return; 305 306 st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC; 307 st_param[HNAE3_MAC_INTER_LOOP_MAC][1] = 308 h->flags & HNAE3_SUPPORT_MAC_LOOPBACK; 309 310 if (if_running) 311 dev_close(ndev); 312 313 #if IS_ENABLED(CONFIG_VLAN_8021Q) 314 /* Disable the vlan filter for selftest does not support it */ 315 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 316 h->ae_algo->ops->enable_vlan_filter; 317 if (dis_vlan_filter) 318 h->ae_algo->ops->enable_vlan_filter(h, false); 319 #endif 320 321 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 322 323 for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) { 324 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 325 326 if (!st_param[i][1]) 327 continue; 328 329 data[test_index] = hns3_lp_up(ndev, loop_type); 330 if (!data[test_index]) { 331 data[test_index] = hns3_lp_run_test(ndev, loop_type); 332 hns3_lp_down(ndev, loop_type); 333 } 334 335 if (data[test_index]) 336 eth_test->flags |= ETH_TEST_FL_FAILED; 337 338 test_index++; 339 } 340 341 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 342 343 #if IS_ENABLED(CONFIG_VLAN_8021Q) 344 if (dis_vlan_filter) 345 h->ae_algo->ops->enable_vlan_filter(h, true); 346 #endif 347 348 if (if_running) 349 dev_open(ndev); 350 } 351 352 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 353 { 354 struct hnae3_handle *h = hns3_get_handle(netdev); 355 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 356 357 if (!ops->get_sset_count) 358 return -EOPNOTSUPP; 359 360 switch (stringset) { 361 case ETH_SS_STATS: 362 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 363 ops->get_sset_count(h, stringset)); 364 365 case ETH_SS_TEST: 366 return ops->get_sset_count(h, stringset); 367 } 368 369 return 0; 370 } 371 372 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 373 u32 stat_count, u32 num_tqps, const char *prefix) 374 { 375 #define MAX_PREFIX_SIZE (6 + 4) 376 u32 size_left; 377 u32 i, j; 378 u32 n1; 379 380 for (i = 0; i < num_tqps; i++) { 381 for (j = 0; j < stat_count; j++) { 382 data[ETH_GSTRING_LEN - 1] = '\0'; 383 384 /* first, prepend the prefix string */ 385 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_", 386 prefix, i); 387 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 388 size_left = (ETH_GSTRING_LEN - 1) - n1; 389 390 /* now, concatenate the stats string to it */ 391 strncat(data, stats[j].stats_string, size_left); 392 data += ETH_GSTRING_LEN; 393 } 394 } 395 396 return data; 397 } 398 399 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 400 { 401 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 402 const char tx_prefix[] = "txq"; 403 const char rx_prefix[] = "rxq"; 404 405 /* get strings for Tx */ 406 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 407 kinfo->num_tqps, tx_prefix); 408 409 /* get strings for Rx */ 410 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 411 kinfo->num_tqps, rx_prefix); 412 413 return data; 414 } 415 416 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 417 { 418 struct hnae3_handle *h = hns3_get_handle(netdev); 419 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 420 char *buff = (char *)data; 421 422 if (!ops->get_strings) 423 return; 424 425 switch (stringset) { 426 case ETH_SS_STATS: 427 buff = hns3_get_strings_tqps(h, buff); 428 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 429 break; 430 case ETH_SS_TEST: 431 ops->get_strings(h, stringset, data); 432 break; 433 } 434 } 435 436 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 437 { 438 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 439 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 440 struct hns3_enet_ring *ring; 441 u8 *stat; 442 int i, j; 443 444 /* get stats for Tx */ 445 for (i = 0; i < kinfo->num_tqps; i++) { 446 ring = nic_priv->ring_data[i].ring; 447 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 448 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 449 *data++ = *(u64 *)stat; 450 } 451 } 452 453 /* get stats for Rx */ 454 for (i = 0; i < kinfo->num_tqps; i++) { 455 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 456 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 457 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 458 *data++ = *(u64 *)stat; 459 } 460 } 461 462 return data; 463 } 464 465 /* hns3_get_stats - get detail statistics. 466 * @netdev: net device 467 * @stats: statistics info. 468 * @data: statistics data. 469 */ 470 static void hns3_get_stats(struct net_device *netdev, 471 struct ethtool_stats *stats, u64 *data) 472 { 473 struct hnae3_handle *h = hns3_get_handle(netdev); 474 u64 *p = data; 475 476 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 477 netdev_err(netdev, "could not get any statistics\n"); 478 return; 479 } 480 481 h->ae_algo->ops->update_stats(h, &netdev->stats); 482 483 /* get per-queue stats */ 484 p = hns3_get_stats_tqps(h, p); 485 486 /* get MAC & other misc hardware stats */ 487 h->ae_algo->ops->get_stats(h, p); 488 } 489 490 static void hns3_get_drvinfo(struct net_device *netdev, 491 struct ethtool_drvinfo *drvinfo) 492 { 493 struct hns3_nic_priv *priv = netdev_priv(netdev); 494 struct hnae3_handle *h = priv->ae_handle; 495 496 strncpy(drvinfo->version, hns3_driver_version, 497 sizeof(drvinfo->version)); 498 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 499 500 strncpy(drvinfo->driver, h->pdev->driver->name, 501 sizeof(drvinfo->driver)); 502 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 503 504 strncpy(drvinfo->bus_info, pci_name(h->pdev), 505 sizeof(drvinfo->bus_info)); 506 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 507 508 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 509 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 510 } 511 512 static u32 hns3_get_link(struct net_device *netdev) 513 { 514 struct hnae3_handle *h = hns3_get_handle(netdev); 515 516 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 517 return h->ae_algo->ops->get_status(h); 518 else 519 return 0; 520 } 521 522 static void hns3_get_ringparam(struct net_device *netdev, 523 struct ethtool_ringparam *param) 524 { 525 struct hns3_nic_priv *priv = netdev_priv(netdev); 526 struct hnae3_handle *h = priv->ae_handle; 527 int queue_num = h->kinfo.num_tqps; 528 529 param->tx_max_pending = HNS3_RING_MAX_PENDING; 530 param->rx_max_pending = HNS3_RING_MAX_PENDING; 531 532 param->tx_pending = priv->ring_data[0].ring->desc_num; 533 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 534 } 535 536 static void hns3_get_pauseparam(struct net_device *netdev, 537 struct ethtool_pauseparam *param) 538 { 539 struct hnae3_handle *h = hns3_get_handle(netdev); 540 541 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 542 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 543 ¶m->rx_pause, ¶m->tx_pause); 544 } 545 546 static int hns3_set_pauseparam(struct net_device *netdev, 547 struct ethtool_pauseparam *param) 548 { 549 struct hnae3_handle *h = hns3_get_handle(netdev); 550 551 if (h->ae_algo->ops->set_pauseparam) 552 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 553 param->rx_pause, 554 param->tx_pause); 555 return -EOPNOTSUPP; 556 } 557 558 static int hns3_get_link_ksettings(struct net_device *netdev, 559 struct ethtool_link_ksettings *cmd) 560 { 561 struct hnae3_handle *h = hns3_get_handle(netdev); 562 u32 flowctrl_adv = 0; 563 u8 link_stat; 564 565 if (!h->ae_algo || !h->ae_algo->ops) 566 return -EOPNOTSUPP; 567 568 /* 1.auto_neg & speed & duplex from cmd */ 569 if (netdev->phydev) { 570 phy_ethtool_ksettings_get(netdev->phydev, cmd); 571 572 return 0; 573 } 574 575 if (h->ae_algo->ops->get_ksettings_an_result) 576 h->ae_algo->ops->get_ksettings_an_result(h, 577 &cmd->base.autoneg, 578 &cmd->base.speed, 579 &cmd->base.duplex); 580 else 581 return -EOPNOTSUPP; 582 583 link_stat = hns3_get_link(netdev); 584 if (!link_stat) { 585 cmd->base.speed = SPEED_UNKNOWN; 586 cmd->base.duplex = DUPLEX_UNKNOWN; 587 } 588 589 /* 2.get link mode and port type*/ 590 if (h->ae_algo->ops->get_link_mode) 591 h->ae_algo->ops->get_link_mode(h, 592 cmd->link_modes.supported, 593 cmd->link_modes.advertising); 594 595 cmd->base.port = PORT_NONE; 596 if (h->ae_algo->ops->get_port_type) 597 h->ae_algo->ops->get_port_type(h, 598 &cmd->base.port); 599 600 /* 3.mdix_ctrl&mdix get from phy reg */ 601 if (h->ae_algo->ops->get_mdix_mode) 602 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 603 &cmd->base.eth_tp_mdix); 604 /* 4.mdio_support */ 605 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 606 607 /* 5.get flow control setttings */ 608 if (h->ae_algo->ops->get_flowctrl_adv) 609 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv); 610 611 if (flowctrl_adv & ADVERTISED_Pause) 612 ethtool_link_ksettings_add_link_mode(cmd, advertising, 613 Pause); 614 615 if (flowctrl_adv & ADVERTISED_Asym_Pause) 616 ethtool_link_ksettings_add_link_mode(cmd, advertising, 617 Asym_Pause); 618 619 return 0; 620 } 621 622 static int hns3_set_link_ksettings(struct net_device *netdev, 623 const struct ethtool_link_ksettings *cmd) 624 { 625 /* Only support ksettings_set for netdev with phy attached for now */ 626 if (netdev->phydev) 627 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 628 629 return -EOPNOTSUPP; 630 } 631 632 static u32 hns3_get_rss_key_size(struct net_device *netdev) 633 { 634 struct hnae3_handle *h = hns3_get_handle(netdev); 635 636 if (!h->ae_algo || !h->ae_algo->ops || 637 !h->ae_algo->ops->get_rss_key_size) 638 return 0; 639 640 return h->ae_algo->ops->get_rss_key_size(h); 641 } 642 643 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 644 { 645 struct hnae3_handle *h = hns3_get_handle(netdev); 646 647 if (!h->ae_algo || !h->ae_algo->ops || 648 !h->ae_algo->ops->get_rss_indir_size) 649 return 0; 650 651 return h->ae_algo->ops->get_rss_indir_size(h); 652 } 653 654 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 655 u8 *hfunc) 656 { 657 struct hnae3_handle *h = hns3_get_handle(netdev); 658 659 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 660 return -EOPNOTSUPP; 661 662 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 663 } 664 665 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 666 const u8 *key, const u8 hfunc) 667 { 668 struct hnae3_handle *h = hns3_get_handle(netdev); 669 670 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 671 return -EOPNOTSUPP; 672 673 /* currently we only support Toeplitz hash */ 674 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) { 675 netdev_err(netdev, 676 "hash func not supported (only Toeplitz hash)\n"); 677 return -EOPNOTSUPP; 678 } 679 if (!indir) { 680 netdev_err(netdev, 681 "set rss failed for indir is empty\n"); 682 return -EOPNOTSUPP; 683 } 684 685 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 686 } 687 688 static int hns3_get_rxnfc(struct net_device *netdev, 689 struct ethtool_rxnfc *cmd, 690 u32 *rule_locs) 691 { 692 struct hnae3_handle *h = hns3_get_handle(netdev); 693 694 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple) 695 return -EOPNOTSUPP; 696 697 switch (cmd->cmd) { 698 case ETHTOOL_GRXRINGS: 699 cmd->data = h->kinfo.rss_size; 700 break; 701 case ETHTOOL_GRXFH: 702 return h->ae_algo->ops->get_rss_tuple(h, cmd); 703 default: 704 return -EOPNOTSUPP; 705 } 706 707 return 0; 708 } 709 710 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 711 u32 new_desc_num) 712 { 713 struct hnae3_handle *h = priv->ae_handle; 714 int i; 715 716 h->kinfo.num_desc = new_desc_num; 717 718 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 719 priv->ring_data[i].ring->desc_num = new_desc_num; 720 721 return hns3_init_all_ring(priv); 722 } 723 724 static int hns3_set_ringparam(struct net_device *ndev, 725 struct ethtool_ringparam *param) 726 { 727 struct hns3_nic_priv *priv = netdev_priv(ndev); 728 struct hnae3_handle *h = priv->ae_handle; 729 bool if_running = netif_running(ndev); 730 u32 old_desc_num, new_desc_num; 731 int ret; 732 733 if (param->rx_mini_pending || param->rx_jumbo_pending) 734 return -EINVAL; 735 736 if (param->tx_pending != param->rx_pending) { 737 netdev_err(ndev, 738 "Descriptors of tx and rx must be equal"); 739 return -EINVAL; 740 } 741 742 if (param->tx_pending > HNS3_RING_MAX_PENDING || 743 param->tx_pending < HNS3_RING_MIN_PENDING) { 744 netdev_err(ndev, 745 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 746 param->tx_pending, HNS3_RING_MIN_PENDING, 747 HNS3_RING_MAX_PENDING); 748 return -EINVAL; 749 } 750 751 new_desc_num = param->tx_pending; 752 753 /* Hardware requires that its descriptors must be multiple of eight */ 754 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 755 old_desc_num = h->kinfo.num_desc; 756 if (old_desc_num == new_desc_num) 757 return 0; 758 759 netdev_info(ndev, 760 "Changing descriptor count from %d to %d.\n", 761 old_desc_num, new_desc_num); 762 763 if (if_running) 764 dev_close(ndev); 765 766 ret = hns3_uninit_all_ring(priv); 767 if (ret) 768 return ret; 769 770 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 771 if (ret) { 772 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 773 if (ret) { 774 netdev_err(ndev, 775 "Revert to old bd num fail, ret=%d.\n", ret); 776 return ret; 777 } 778 } 779 780 if (if_running) 781 ret = dev_open(ndev); 782 783 return ret; 784 } 785 786 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 787 { 788 struct hnae3_handle *h = hns3_get_handle(netdev); 789 790 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple) 791 return -EOPNOTSUPP; 792 793 switch (cmd->cmd) { 794 case ETHTOOL_SRXFH: 795 return h->ae_algo->ops->set_rss_tuple(h, cmd); 796 default: 797 return -EOPNOTSUPP; 798 } 799 } 800 801 static int hns3_nway_reset(struct net_device *netdev) 802 { 803 struct phy_device *phy = netdev->phydev; 804 805 if (!netif_running(netdev)) 806 return 0; 807 808 /* Only support nway_reset for netdev with phy attached for now */ 809 if (!phy) 810 return -EOPNOTSUPP; 811 812 if (phy->autoneg != AUTONEG_ENABLE) 813 return -EINVAL; 814 815 return genphy_restart_aneg(phy); 816 } 817 818 static void hns3_get_channels(struct net_device *netdev, 819 struct ethtool_channels *ch) 820 { 821 struct hnae3_handle *h = hns3_get_handle(netdev); 822 823 if (h->ae_algo->ops->get_channels) 824 h->ae_algo->ops->get_channels(h, ch); 825 } 826 827 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 828 struct ethtool_coalesce *cmd) 829 { 830 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 831 struct hns3_nic_priv *priv = netdev_priv(netdev); 832 struct hnae3_handle *h = priv->ae_handle; 833 u16 queue_num = h->kinfo.num_tqps; 834 835 if (queue >= queue_num) { 836 netdev_err(netdev, 837 "Invalid queue value %d! Queue max id=%d\n", 838 queue, queue_num - 1); 839 return -EINVAL; 840 } 841 842 tx_vector = priv->ring_data[queue].ring->tqp_vector; 843 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 844 845 cmd->use_adaptive_tx_coalesce = 846 tx_vector->tx_group.coal.gl_adapt_enable; 847 cmd->use_adaptive_rx_coalesce = 848 rx_vector->rx_group.coal.gl_adapt_enable; 849 850 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 851 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 852 853 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 854 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 855 856 return 0; 857 } 858 859 static int hns3_get_coalesce(struct net_device *netdev, 860 struct ethtool_coalesce *cmd) 861 { 862 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 863 } 864 865 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 866 struct ethtool_coalesce *cmd) 867 { 868 u32 rx_gl, tx_gl; 869 870 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 871 netdev_err(netdev, 872 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 873 HNS3_INT_GL_MAX); 874 return -EINVAL; 875 } 876 877 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 878 netdev_err(netdev, 879 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 880 HNS3_INT_GL_MAX); 881 return -EINVAL; 882 } 883 884 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 885 if (rx_gl != cmd->rx_coalesce_usecs) { 886 netdev_info(netdev, 887 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 888 cmd->rx_coalesce_usecs, rx_gl); 889 } 890 891 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 892 if (tx_gl != cmd->tx_coalesce_usecs) { 893 netdev_info(netdev, 894 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 895 cmd->tx_coalesce_usecs, tx_gl); 896 } 897 898 return 0; 899 } 900 901 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 902 struct ethtool_coalesce *cmd) 903 { 904 u32 rl; 905 906 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 907 netdev_err(netdev, 908 "tx_usecs_high must be same as rx_usecs_high.\n"); 909 return -EINVAL; 910 } 911 912 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 913 netdev_err(netdev, 914 "Invalid usecs_high value, usecs_high range is 0-%d\n", 915 HNS3_INT_RL_MAX); 916 return -EINVAL; 917 } 918 919 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 920 if (rl != cmd->rx_coalesce_usecs_high) { 921 netdev_info(netdev, 922 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 923 cmd->rx_coalesce_usecs_high, rl); 924 } 925 926 return 0; 927 } 928 929 static int hns3_check_coalesce_para(struct net_device *netdev, 930 struct ethtool_coalesce *cmd) 931 { 932 int ret; 933 934 ret = hns3_check_gl_coalesce_para(netdev, cmd); 935 if (ret) { 936 netdev_err(netdev, 937 "Check gl coalesce param fail. ret = %d\n", ret); 938 return ret; 939 } 940 941 ret = hns3_check_rl_coalesce_para(netdev, cmd); 942 if (ret) { 943 netdev_err(netdev, 944 "Check rl coalesce param fail. ret = %d\n", ret); 945 return ret; 946 } 947 948 if (cmd->use_adaptive_tx_coalesce == 1 || 949 cmd->use_adaptive_rx_coalesce == 1) { 950 netdev_info(netdev, 951 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 952 cmd->use_adaptive_tx_coalesce, 953 cmd->use_adaptive_rx_coalesce); 954 } 955 956 return 0; 957 } 958 959 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 960 struct ethtool_coalesce *cmd, 961 u32 queue) 962 { 963 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 964 struct hns3_nic_priv *priv = netdev_priv(netdev); 965 struct hnae3_handle *h = priv->ae_handle; 966 int queue_num = h->kinfo.num_tqps; 967 968 tx_vector = priv->ring_data[queue].ring->tqp_vector; 969 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 970 971 tx_vector->tx_group.coal.gl_adapt_enable = 972 cmd->use_adaptive_tx_coalesce; 973 rx_vector->rx_group.coal.gl_adapt_enable = 974 cmd->use_adaptive_rx_coalesce; 975 976 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 977 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 978 979 hns3_set_vector_coalesce_tx_gl(tx_vector, 980 tx_vector->tx_group.coal.int_gl); 981 hns3_set_vector_coalesce_rx_gl(rx_vector, 982 rx_vector->rx_group.coal.int_gl); 983 984 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 985 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 986 } 987 988 static int hns3_set_coalesce(struct net_device *netdev, 989 struct ethtool_coalesce *cmd) 990 { 991 struct hnae3_handle *h = hns3_get_handle(netdev); 992 u16 queue_num = h->kinfo.num_tqps; 993 int ret; 994 int i; 995 996 ret = hns3_check_coalesce_para(netdev, cmd); 997 if (ret) 998 return ret; 999 1000 h->kinfo.int_rl_setting = 1001 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1002 1003 for (i = 0; i < queue_num; i++) 1004 hns3_set_coalesce_per_queue(netdev, cmd, i); 1005 1006 return 0; 1007 } 1008 1009 static int hns3_get_regs_len(struct net_device *netdev) 1010 { 1011 struct hnae3_handle *h = hns3_get_handle(netdev); 1012 1013 if (!h->ae_algo->ops->get_regs_len) 1014 return -EOPNOTSUPP; 1015 1016 return h->ae_algo->ops->get_regs_len(h); 1017 } 1018 1019 static void hns3_get_regs(struct net_device *netdev, 1020 struct ethtool_regs *cmd, void *data) 1021 { 1022 struct hnae3_handle *h = hns3_get_handle(netdev); 1023 1024 if (!h->ae_algo->ops->get_regs) 1025 return; 1026 1027 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1028 } 1029 1030 static int hns3_set_phys_id(struct net_device *netdev, 1031 enum ethtool_phys_id_state state) 1032 { 1033 struct hnae3_handle *h = hns3_get_handle(netdev); 1034 1035 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) 1036 return -EOPNOTSUPP; 1037 1038 return h->ae_algo->ops->set_led_id(h, state); 1039 } 1040 1041 static const struct ethtool_ops hns3vf_ethtool_ops = { 1042 .get_drvinfo = hns3_get_drvinfo, 1043 .get_ringparam = hns3_get_ringparam, 1044 .set_ringparam = hns3_set_ringparam, 1045 .get_strings = hns3_get_strings, 1046 .get_ethtool_stats = hns3_get_stats, 1047 .get_sset_count = hns3_get_sset_count, 1048 .get_rxnfc = hns3_get_rxnfc, 1049 .get_rxfh_key_size = hns3_get_rss_key_size, 1050 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1051 .get_rxfh = hns3_get_rss, 1052 .set_rxfh = hns3_set_rss, 1053 .get_link_ksettings = hns3_get_link_ksettings, 1054 .get_channels = hns3_get_channels, 1055 .get_coalesce = hns3_get_coalesce, 1056 .set_coalesce = hns3_set_coalesce, 1057 .get_link = hns3_get_link, 1058 }; 1059 1060 static const struct ethtool_ops hns3_ethtool_ops = { 1061 .self_test = hns3_self_test, 1062 .get_drvinfo = hns3_get_drvinfo, 1063 .get_link = hns3_get_link, 1064 .get_ringparam = hns3_get_ringparam, 1065 .set_ringparam = hns3_set_ringparam, 1066 .get_pauseparam = hns3_get_pauseparam, 1067 .set_pauseparam = hns3_set_pauseparam, 1068 .get_strings = hns3_get_strings, 1069 .get_ethtool_stats = hns3_get_stats, 1070 .get_sset_count = hns3_get_sset_count, 1071 .get_rxnfc = hns3_get_rxnfc, 1072 .set_rxnfc = hns3_set_rxnfc, 1073 .get_rxfh_key_size = hns3_get_rss_key_size, 1074 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1075 .get_rxfh = hns3_get_rss, 1076 .set_rxfh = hns3_set_rss, 1077 .get_link_ksettings = hns3_get_link_ksettings, 1078 .set_link_ksettings = hns3_set_link_ksettings, 1079 .nway_reset = hns3_nway_reset, 1080 .get_channels = hns3_get_channels, 1081 .set_channels = hns3_set_channels, 1082 .get_coalesce = hns3_get_coalesce, 1083 .set_coalesce = hns3_set_coalesce, 1084 .get_regs_len = hns3_get_regs_len, 1085 .get_regs = hns3_get_regs, 1086 .set_phys_id = hns3_set_phys_id, 1087 }; 1088 1089 void hns3_ethtool_set_ops(struct net_device *netdev) 1090 { 1091 struct hnae3_handle *h = hns3_get_handle(netdev); 1092 1093 if (h->flags & HNAE3_SUPPORT_VF) 1094 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1095 else 1096 netdev->ethtool_ops = &hns3_ethtool_ops; 1097 } 1098