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) 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, true); 89 break; 90 case HNAE3_MAC_LOOP_NONE: 91 ret = h->ae_algo->ops->set_loopback(h, 92 HNAE3_MAC_INTER_LOOP_MAC, false); 93 break; 94 default: 95 ret = -ENOTSUPP; 96 break; 97 } 98 99 if (ret) 100 return ret; 101 102 if (loop == HNAE3_MAC_LOOP_NONE) 103 h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC); 104 else 105 h->ae_algo->ops->set_promisc_mode(h, 1); 106 107 return ret; 108 } 109 110 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 111 { 112 struct hnae3_handle *h = hns3_get_handle(ndev); 113 int ret; 114 115 if (!h->ae_algo->ops->start) 116 return -EOPNOTSUPP; 117 118 ret = h->ae_algo->ops->start(h); 119 if (ret) { 120 netdev_err(ndev, 121 "hns3_lb_up ae start return error: %d\n", ret); 122 return ret; 123 } 124 125 ret = hns3_lp_setup(ndev, loop_mode); 126 usleep_range(10000, 20000); 127 128 return ret; 129 } 130 131 static int hns3_lp_down(struct net_device *ndev) 132 { 133 struct hnae3_handle *h = hns3_get_handle(ndev); 134 int ret; 135 136 if (!h->ae_algo->ops->stop) 137 return -EOPNOTSUPP; 138 139 ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE); 140 if (ret) { 141 netdev_err(ndev, "lb_setup return error: %d\n", ret); 142 return ret; 143 } 144 145 h->ae_algo->ops->stop(h); 146 usleep_range(10000, 20000); 147 148 return 0; 149 } 150 151 static void hns3_lp_setup_skb(struct sk_buff *skb) 152 { 153 struct net_device *ndev = skb->dev; 154 unsigned char *packet; 155 struct ethhdr *ethh; 156 unsigned int i; 157 158 skb_reserve(skb, NET_IP_ALIGN); 159 ethh = skb_put(skb, sizeof(struct ethhdr)); 160 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 161 162 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 163 eth_zero_addr(ethh->h_source); 164 ethh->h_proto = htons(ETH_P_ARP); 165 skb_reset_mac_header(skb); 166 167 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 168 packet[i] = (unsigned char)(i & 0xff); 169 } 170 171 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 172 struct sk_buff *skb) 173 { 174 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 175 unsigned char *packet = skb->data; 176 u32 i; 177 178 for (i = 0; i < skb->len; i++) 179 if (packet[i] != (unsigned char)(i & 0xff)) 180 break; 181 182 /* The packet is correctly received */ 183 if (i == skb->len) 184 tqp_vector->rx_group.total_packets++; 185 else 186 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 187 skb->data, skb->len, true); 188 189 dev_kfree_skb_any(skb); 190 } 191 192 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 193 { 194 struct hnae3_handle *h = priv->ae_handle; 195 struct hnae3_knic_private_info *kinfo; 196 u32 i, rcv_good_pkt_total = 0; 197 198 kinfo = &h->kinfo; 199 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 200 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 201 struct hns3_enet_ring_group *rx_group; 202 u64 pre_rx_pkt; 203 204 rx_group = &ring->tqp_vector->rx_group; 205 pre_rx_pkt = rx_group->total_packets; 206 207 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 208 209 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 210 rx_group->total_packets = pre_rx_pkt; 211 } 212 return rcv_good_pkt_total; 213 } 214 215 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 216 u32 end_ringid, u32 budget) 217 { 218 u32 i; 219 220 for (i = start_ringid; i <= end_ringid; i++) { 221 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 222 223 hns3_clean_tx_ring(ring, budget); 224 } 225 } 226 227 /** 228 * hns3_lp_run_test - run loopback test 229 * @ndev: net device 230 * @mode: loopback type 231 */ 232 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 233 { 234 struct hns3_nic_priv *priv = netdev_priv(ndev); 235 struct sk_buff *skb; 236 u32 i, good_cnt; 237 int ret_val = 0; 238 239 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 240 GFP_KERNEL); 241 if (!skb) 242 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 243 244 skb->dev = ndev; 245 hns3_lp_setup_skb(skb); 246 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 247 248 good_cnt = 0; 249 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 250 netdev_tx_t tx_ret; 251 252 skb_get(skb); 253 tx_ret = hns3_nic_net_xmit(skb, ndev); 254 if (tx_ret == NETDEV_TX_OK) 255 good_cnt++; 256 else 257 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 258 tx_ret); 259 } 260 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 261 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 262 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 263 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 264 goto out; 265 } 266 267 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 268 msleep(200); 269 270 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 271 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 272 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 273 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 274 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 275 } 276 277 out: 278 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 279 HNS3_NIC_LB_TEST_RING_ID, 280 HNS3_NIC_LB_TEST_PKT_NUM); 281 282 kfree_skb(skb); 283 return ret_val; 284 } 285 286 /** 287 * hns3_nic_self_test - self test 288 * @ndev: net device 289 * @eth_test: test cmd 290 * @data: test result 291 */ 292 static void hns3_self_test(struct net_device *ndev, 293 struct ethtool_test *eth_test, u64 *data) 294 { 295 struct hns3_nic_priv *priv = netdev_priv(ndev); 296 struct hnae3_handle *h = priv->ae_handle; 297 int st_param[HNS3_SELF_TEST_TPYE_NUM][2]; 298 bool if_running = netif_running(ndev); 299 #if IS_ENABLED(CONFIG_VLAN_8021Q) 300 bool dis_vlan_filter; 301 #endif 302 int test_index = 0; 303 u32 i; 304 305 /* Only do offline selftest, or pass by default */ 306 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 307 return; 308 309 st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC; 310 st_param[HNAE3_MAC_INTER_LOOP_MAC][1] = 311 h->flags & HNAE3_SUPPORT_MAC_LOOPBACK; 312 313 if (if_running) 314 dev_close(ndev); 315 316 #if IS_ENABLED(CONFIG_VLAN_8021Q) 317 /* Disable the vlan filter for selftest does not support it */ 318 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 319 h->ae_algo->ops->enable_vlan_filter; 320 if (dis_vlan_filter) 321 h->ae_algo->ops->enable_vlan_filter(h, false); 322 #endif 323 324 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 325 326 for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) { 327 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 328 329 if (!st_param[i][1]) 330 continue; 331 332 data[test_index] = hns3_lp_up(ndev, loop_type); 333 if (!data[test_index]) { 334 data[test_index] = hns3_lp_run_test(ndev, loop_type); 335 hns3_lp_down(ndev); 336 } 337 338 if (data[test_index]) 339 eth_test->flags |= ETH_TEST_FL_FAILED; 340 341 test_index++; 342 } 343 344 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 345 346 #if IS_ENABLED(CONFIG_VLAN_8021Q) 347 if (dis_vlan_filter) 348 h->ae_algo->ops->enable_vlan_filter(h, true); 349 #endif 350 351 if (if_running) 352 dev_open(ndev); 353 } 354 355 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 356 { 357 struct hnae3_handle *h = hns3_get_handle(netdev); 358 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 359 360 if (!ops->get_sset_count) 361 return -EOPNOTSUPP; 362 363 switch (stringset) { 364 case ETH_SS_STATS: 365 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 366 ops->get_sset_count(h, stringset)); 367 368 case ETH_SS_TEST: 369 return ops->get_sset_count(h, stringset); 370 } 371 372 return 0; 373 } 374 375 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 376 u32 stat_count, u32 num_tqps, const char *prefix) 377 { 378 #define MAX_PREFIX_SIZE (6 + 4) 379 u32 size_left; 380 u32 i, j; 381 u32 n1; 382 383 for (i = 0; i < num_tqps; i++) { 384 for (j = 0; j < stat_count; j++) { 385 data[ETH_GSTRING_LEN - 1] = '\0'; 386 387 /* first, prepend the prefix string */ 388 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_", 389 prefix, i); 390 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 391 size_left = (ETH_GSTRING_LEN - 1) - n1; 392 393 /* now, concatenate the stats string to it */ 394 strncat(data, stats[j].stats_string, size_left); 395 data += ETH_GSTRING_LEN; 396 } 397 } 398 399 return data; 400 } 401 402 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 403 { 404 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 405 const char tx_prefix[] = "txq"; 406 const char rx_prefix[] = "rxq"; 407 408 /* get strings for Tx */ 409 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 410 kinfo->num_tqps, tx_prefix); 411 412 /* get strings for Rx */ 413 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 414 kinfo->num_tqps, rx_prefix); 415 416 return data; 417 } 418 419 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 420 { 421 struct hnae3_handle *h = hns3_get_handle(netdev); 422 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 423 char *buff = (char *)data; 424 425 if (!ops->get_strings) 426 return; 427 428 switch (stringset) { 429 case ETH_SS_STATS: 430 buff = hns3_get_strings_tqps(h, buff); 431 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 432 break; 433 case ETH_SS_TEST: 434 ops->get_strings(h, stringset, data); 435 break; 436 } 437 } 438 439 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 440 { 441 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 442 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 443 struct hns3_enet_ring *ring; 444 u8 *stat; 445 int i, j; 446 447 /* get stats for Tx */ 448 for (i = 0; i < kinfo->num_tqps; i++) { 449 ring = nic_priv->ring_data[i].ring; 450 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 451 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 452 *data++ = *(u64 *)stat; 453 } 454 } 455 456 /* get stats for Rx */ 457 for (i = 0; i < kinfo->num_tqps; i++) { 458 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 459 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 460 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 461 *data++ = *(u64 *)stat; 462 } 463 } 464 465 return data; 466 } 467 468 /* hns3_get_stats - get detail statistics. 469 * @netdev: net device 470 * @stats: statistics info. 471 * @data: statistics data. 472 */ 473 static void hns3_get_stats(struct net_device *netdev, 474 struct ethtool_stats *stats, u64 *data) 475 { 476 struct hnae3_handle *h = hns3_get_handle(netdev); 477 u64 *p = data; 478 479 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 480 netdev_err(netdev, "could not get any statistics\n"); 481 return; 482 } 483 484 h->ae_algo->ops->update_stats(h, &netdev->stats); 485 486 /* get per-queue stats */ 487 p = hns3_get_stats_tqps(h, p); 488 489 /* get MAC & other misc hardware stats */ 490 h->ae_algo->ops->get_stats(h, p); 491 } 492 493 static void hns3_get_drvinfo(struct net_device *netdev, 494 struct ethtool_drvinfo *drvinfo) 495 { 496 struct hns3_nic_priv *priv = netdev_priv(netdev); 497 struct hnae3_handle *h = priv->ae_handle; 498 499 strncpy(drvinfo->version, hns3_driver_version, 500 sizeof(drvinfo->version)); 501 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 502 503 strncpy(drvinfo->driver, h->pdev->driver->name, 504 sizeof(drvinfo->driver)); 505 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 506 507 strncpy(drvinfo->bus_info, pci_name(h->pdev), 508 sizeof(drvinfo->bus_info)); 509 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 510 511 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 512 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 513 } 514 515 static u32 hns3_get_link(struct net_device *netdev) 516 { 517 struct hnae3_handle *h = hns3_get_handle(netdev); 518 519 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 520 return h->ae_algo->ops->get_status(h); 521 else 522 return 0; 523 } 524 525 static void hns3_get_ringparam(struct net_device *netdev, 526 struct ethtool_ringparam *param) 527 { 528 struct hns3_nic_priv *priv = netdev_priv(netdev); 529 struct hnae3_handle *h = priv->ae_handle; 530 int queue_num = h->kinfo.num_tqps; 531 532 param->tx_max_pending = HNS3_RING_MAX_PENDING; 533 param->rx_max_pending = HNS3_RING_MAX_PENDING; 534 535 param->tx_pending = priv->ring_data[0].ring->desc_num; 536 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 537 } 538 539 static void hns3_get_pauseparam(struct net_device *netdev, 540 struct ethtool_pauseparam *param) 541 { 542 struct hnae3_handle *h = hns3_get_handle(netdev); 543 544 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 545 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 546 ¶m->rx_pause, ¶m->tx_pause); 547 } 548 549 static int hns3_set_pauseparam(struct net_device *netdev, 550 struct ethtool_pauseparam *param) 551 { 552 struct hnae3_handle *h = hns3_get_handle(netdev); 553 554 if (h->ae_algo->ops->set_pauseparam) 555 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 556 param->rx_pause, 557 param->tx_pause); 558 return -EOPNOTSUPP; 559 } 560 561 static int hns3_get_link_ksettings(struct net_device *netdev, 562 struct ethtool_link_ksettings *cmd) 563 { 564 struct hnae3_handle *h = hns3_get_handle(netdev); 565 u32 flowctrl_adv = 0; 566 u8 link_stat; 567 568 if (!h->ae_algo || !h->ae_algo->ops) 569 return -EOPNOTSUPP; 570 571 /* 1.auto_neg & speed & duplex from cmd */ 572 if (netdev->phydev) { 573 phy_ethtool_ksettings_get(netdev->phydev, cmd); 574 575 return 0; 576 } 577 578 if (h->ae_algo->ops->get_ksettings_an_result) 579 h->ae_algo->ops->get_ksettings_an_result(h, 580 &cmd->base.autoneg, 581 &cmd->base.speed, 582 &cmd->base.duplex); 583 else 584 return -EOPNOTSUPP; 585 586 link_stat = hns3_get_link(netdev); 587 if (!link_stat) { 588 cmd->base.speed = SPEED_UNKNOWN; 589 cmd->base.duplex = DUPLEX_UNKNOWN; 590 } 591 592 /* 2.get link mode and port type*/ 593 if (h->ae_algo->ops->get_link_mode) 594 h->ae_algo->ops->get_link_mode(h, 595 cmd->link_modes.supported, 596 cmd->link_modes.advertising); 597 598 cmd->base.port = PORT_NONE; 599 if (h->ae_algo->ops->get_port_type) 600 h->ae_algo->ops->get_port_type(h, 601 &cmd->base.port); 602 603 /* 3.mdix_ctrl&mdix get from phy reg */ 604 if (h->ae_algo->ops->get_mdix_mode) 605 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 606 &cmd->base.eth_tp_mdix); 607 /* 4.mdio_support */ 608 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 609 610 /* 5.get flow control setttings */ 611 if (h->ae_algo->ops->get_flowctrl_adv) 612 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv); 613 614 if (flowctrl_adv & ADVERTISED_Pause) 615 ethtool_link_ksettings_add_link_mode(cmd, advertising, 616 Pause); 617 618 if (flowctrl_adv & ADVERTISED_Asym_Pause) 619 ethtool_link_ksettings_add_link_mode(cmd, advertising, 620 Asym_Pause); 621 622 return 0; 623 } 624 625 static int hns3_set_link_ksettings(struct net_device *netdev, 626 const struct ethtool_link_ksettings *cmd) 627 { 628 /* Only support ksettings_set for netdev with phy attached for now */ 629 if (netdev->phydev) 630 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 631 632 return -EOPNOTSUPP; 633 } 634 635 static u32 hns3_get_rss_key_size(struct net_device *netdev) 636 { 637 struct hnae3_handle *h = hns3_get_handle(netdev); 638 639 if (!h->ae_algo || !h->ae_algo->ops || 640 !h->ae_algo->ops->get_rss_key_size) 641 return 0; 642 643 return h->ae_algo->ops->get_rss_key_size(h); 644 } 645 646 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 647 { 648 struct hnae3_handle *h = hns3_get_handle(netdev); 649 650 if (!h->ae_algo || !h->ae_algo->ops || 651 !h->ae_algo->ops->get_rss_indir_size) 652 return 0; 653 654 return h->ae_algo->ops->get_rss_indir_size(h); 655 } 656 657 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 658 u8 *hfunc) 659 { 660 struct hnae3_handle *h = hns3_get_handle(netdev); 661 662 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 663 return -EOPNOTSUPP; 664 665 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 666 } 667 668 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 669 const u8 *key, const u8 hfunc) 670 { 671 struct hnae3_handle *h = hns3_get_handle(netdev); 672 673 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 674 return -EOPNOTSUPP; 675 676 /* currently we only support Toeplitz hash */ 677 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) { 678 netdev_err(netdev, 679 "hash func not supported (only Toeplitz hash)\n"); 680 return -EOPNOTSUPP; 681 } 682 if (!indir) { 683 netdev_err(netdev, 684 "set rss failed for indir is empty\n"); 685 return -EOPNOTSUPP; 686 } 687 688 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 689 } 690 691 static int hns3_get_rxnfc(struct net_device *netdev, 692 struct ethtool_rxnfc *cmd, 693 u32 *rule_locs) 694 { 695 struct hnae3_handle *h = hns3_get_handle(netdev); 696 697 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple) 698 return -EOPNOTSUPP; 699 700 switch (cmd->cmd) { 701 case ETHTOOL_GRXRINGS: 702 cmd->data = h->kinfo.rss_size; 703 break; 704 case ETHTOOL_GRXFH: 705 return h->ae_algo->ops->get_rss_tuple(h, cmd); 706 default: 707 return -EOPNOTSUPP; 708 } 709 710 return 0; 711 } 712 713 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 714 u32 new_desc_num) 715 { 716 struct hnae3_handle *h = priv->ae_handle; 717 int i; 718 719 h->kinfo.num_desc = new_desc_num; 720 721 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 722 priv->ring_data[i].ring->desc_num = new_desc_num; 723 724 return hns3_init_all_ring(priv); 725 } 726 727 static int hns3_set_ringparam(struct net_device *ndev, 728 struct ethtool_ringparam *param) 729 { 730 struct hns3_nic_priv *priv = netdev_priv(ndev); 731 struct hnae3_handle *h = priv->ae_handle; 732 bool if_running = netif_running(ndev); 733 u32 old_desc_num, new_desc_num; 734 int ret; 735 736 if (param->rx_mini_pending || param->rx_jumbo_pending) 737 return -EINVAL; 738 739 if (param->tx_pending != param->rx_pending) { 740 netdev_err(ndev, 741 "Descriptors of tx and rx must be equal"); 742 return -EINVAL; 743 } 744 745 if (param->tx_pending > HNS3_RING_MAX_PENDING || 746 param->tx_pending < HNS3_RING_MIN_PENDING) { 747 netdev_err(ndev, 748 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 749 param->tx_pending, HNS3_RING_MIN_PENDING, 750 HNS3_RING_MAX_PENDING); 751 return -EINVAL; 752 } 753 754 new_desc_num = param->tx_pending; 755 756 /* Hardware requires that its descriptors must be multiple of eight */ 757 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 758 old_desc_num = h->kinfo.num_desc; 759 if (old_desc_num == new_desc_num) 760 return 0; 761 762 netdev_info(ndev, 763 "Changing descriptor count from %d to %d.\n", 764 old_desc_num, new_desc_num); 765 766 if (if_running) 767 dev_close(ndev); 768 769 ret = hns3_uninit_all_ring(priv); 770 if (ret) 771 return ret; 772 773 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 774 if (ret) { 775 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 776 if (ret) { 777 netdev_err(ndev, 778 "Revert to old bd num fail, ret=%d.\n", ret); 779 return ret; 780 } 781 } 782 783 if (if_running) 784 ret = dev_open(ndev); 785 786 return ret; 787 } 788 789 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 790 { 791 struct hnae3_handle *h = hns3_get_handle(netdev); 792 793 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple) 794 return -EOPNOTSUPP; 795 796 switch (cmd->cmd) { 797 case ETHTOOL_SRXFH: 798 return h->ae_algo->ops->set_rss_tuple(h, cmd); 799 default: 800 return -EOPNOTSUPP; 801 } 802 } 803 804 static int hns3_nway_reset(struct net_device *netdev) 805 { 806 struct phy_device *phy = netdev->phydev; 807 808 if (!netif_running(netdev)) 809 return 0; 810 811 /* Only support nway_reset for netdev with phy attached for now */ 812 if (!phy) 813 return -EOPNOTSUPP; 814 815 if (phy->autoneg != AUTONEG_ENABLE) 816 return -EINVAL; 817 818 return genphy_restart_aneg(phy); 819 } 820 821 static void hns3_get_channels(struct net_device *netdev, 822 struct ethtool_channels *ch) 823 { 824 struct hnae3_handle *h = hns3_get_handle(netdev); 825 826 if (h->ae_algo->ops->get_channels) 827 h->ae_algo->ops->get_channels(h, ch); 828 } 829 830 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 831 struct ethtool_coalesce *cmd) 832 { 833 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 834 struct hns3_nic_priv *priv = netdev_priv(netdev); 835 struct hnae3_handle *h = priv->ae_handle; 836 u16 queue_num = h->kinfo.num_tqps; 837 838 if (queue >= queue_num) { 839 netdev_err(netdev, 840 "Invalid queue value %d! Queue max id=%d\n", 841 queue, queue_num - 1); 842 return -EINVAL; 843 } 844 845 tx_vector = priv->ring_data[queue].ring->tqp_vector; 846 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 847 848 cmd->use_adaptive_tx_coalesce = 849 tx_vector->tx_group.coal.gl_adapt_enable; 850 cmd->use_adaptive_rx_coalesce = 851 rx_vector->rx_group.coal.gl_adapt_enable; 852 853 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 854 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 855 856 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 857 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 858 859 return 0; 860 } 861 862 static int hns3_get_coalesce(struct net_device *netdev, 863 struct ethtool_coalesce *cmd) 864 { 865 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 866 } 867 868 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 869 struct ethtool_coalesce *cmd) 870 { 871 u32 rx_gl, tx_gl; 872 873 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 874 netdev_err(netdev, 875 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 876 HNS3_INT_GL_MAX); 877 return -EINVAL; 878 } 879 880 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 881 netdev_err(netdev, 882 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 883 HNS3_INT_GL_MAX); 884 return -EINVAL; 885 } 886 887 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 888 if (rx_gl != cmd->rx_coalesce_usecs) { 889 netdev_info(netdev, 890 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 891 cmd->rx_coalesce_usecs, rx_gl); 892 } 893 894 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 895 if (tx_gl != cmd->tx_coalesce_usecs) { 896 netdev_info(netdev, 897 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 898 cmd->tx_coalesce_usecs, tx_gl); 899 } 900 901 return 0; 902 } 903 904 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 905 struct ethtool_coalesce *cmd) 906 { 907 u32 rl; 908 909 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 910 netdev_err(netdev, 911 "tx_usecs_high must be same as rx_usecs_high.\n"); 912 return -EINVAL; 913 } 914 915 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 916 netdev_err(netdev, 917 "Invalid usecs_high value, usecs_high range is 0-%d\n", 918 HNS3_INT_RL_MAX); 919 return -EINVAL; 920 } 921 922 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 923 if (rl != cmd->rx_coalesce_usecs_high) { 924 netdev_info(netdev, 925 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 926 cmd->rx_coalesce_usecs_high, rl); 927 } 928 929 return 0; 930 } 931 932 static int hns3_check_coalesce_para(struct net_device *netdev, 933 struct ethtool_coalesce *cmd) 934 { 935 int ret; 936 937 ret = hns3_check_gl_coalesce_para(netdev, cmd); 938 if (ret) { 939 netdev_err(netdev, 940 "Check gl coalesce param fail. ret = %d\n", ret); 941 return ret; 942 } 943 944 ret = hns3_check_rl_coalesce_para(netdev, cmd); 945 if (ret) { 946 netdev_err(netdev, 947 "Check rl coalesce param fail. ret = %d\n", ret); 948 return ret; 949 } 950 951 if (cmd->use_adaptive_tx_coalesce == 1 || 952 cmd->use_adaptive_rx_coalesce == 1) { 953 netdev_info(netdev, 954 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 955 cmd->use_adaptive_tx_coalesce, 956 cmd->use_adaptive_rx_coalesce); 957 } 958 959 return 0; 960 } 961 962 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 963 struct ethtool_coalesce *cmd, 964 u32 queue) 965 { 966 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 967 struct hns3_nic_priv *priv = netdev_priv(netdev); 968 struct hnae3_handle *h = priv->ae_handle; 969 int queue_num = h->kinfo.num_tqps; 970 971 tx_vector = priv->ring_data[queue].ring->tqp_vector; 972 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 973 974 tx_vector->tx_group.coal.gl_adapt_enable = 975 cmd->use_adaptive_tx_coalesce; 976 rx_vector->rx_group.coal.gl_adapt_enable = 977 cmd->use_adaptive_rx_coalesce; 978 979 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 980 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 981 982 hns3_set_vector_coalesce_tx_gl(tx_vector, 983 tx_vector->tx_group.coal.int_gl); 984 hns3_set_vector_coalesce_rx_gl(rx_vector, 985 rx_vector->rx_group.coal.int_gl); 986 987 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 988 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 989 } 990 991 static int hns3_set_coalesce(struct net_device *netdev, 992 struct ethtool_coalesce *cmd) 993 { 994 struct hnae3_handle *h = hns3_get_handle(netdev); 995 u16 queue_num = h->kinfo.num_tqps; 996 int ret; 997 int i; 998 999 ret = hns3_check_coalesce_para(netdev, cmd); 1000 if (ret) 1001 return ret; 1002 1003 h->kinfo.int_rl_setting = 1004 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1005 1006 for (i = 0; i < queue_num; i++) 1007 hns3_set_coalesce_per_queue(netdev, cmd, i); 1008 1009 return 0; 1010 } 1011 1012 static int hns3_get_regs_len(struct net_device *netdev) 1013 { 1014 struct hnae3_handle *h = hns3_get_handle(netdev); 1015 1016 if (!h->ae_algo->ops->get_regs_len) 1017 return -EOPNOTSUPP; 1018 1019 return h->ae_algo->ops->get_regs_len(h); 1020 } 1021 1022 static void hns3_get_regs(struct net_device *netdev, 1023 struct ethtool_regs *cmd, void *data) 1024 { 1025 struct hnae3_handle *h = hns3_get_handle(netdev); 1026 1027 if (!h->ae_algo->ops->get_regs) 1028 return; 1029 1030 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1031 } 1032 1033 static int hns3_set_phys_id(struct net_device *netdev, 1034 enum ethtool_phys_id_state state) 1035 { 1036 struct hnae3_handle *h = hns3_get_handle(netdev); 1037 1038 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) 1039 return -EOPNOTSUPP; 1040 1041 return h->ae_algo->ops->set_led_id(h, state); 1042 } 1043 1044 static const struct ethtool_ops hns3vf_ethtool_ops = { 1045 .get_drvinfo = hns3_get_drvinfo, 1046 .get_ringparam = hns3_get_ringparam, 1047 .set_ringparam = hns3_set_ringparam, 1048 .get_strings = hns3_get_strings, 1049 .get_ethtool_stats = hns3_get_stats, 1050 .get_sset_count = hns3_get_sset_count, 1051 .get_rxnfc = hns3_get_rxnfc, 1052 .get_rxfh_key_size = hns3_get_rss_key_size, 1053 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1054 .get_rxfh = hns3_get_rss, 1055 .set_rxfh = hns3_set_rss, 1056 .get_link_ksettings = hns3_get_link_ksettings, 1057 .get_channels = hns3_get_channels, 1058 .get_coalesce = hns3_get_coalesce, 1059 .set_coalesce = hns3_set_coalesce, 1060 .get_link = hns3_get_link, 1061 }; 1062 1063 static const struct ethtool_ops hns3_ethtool_ops = { 1064 .self_test = hns3_self_test, 1065 .get_drvinfo = hns3_get_drvinfo, 1066 .get_link = hns3_get_link, 1067 .get_ringparam = hns3_get_ringparam, 1068 .set_ringparam = hns3_set_ringparam, 1069 .get_pauseparam = hns3_get_pauseparam, 1070 .set_pauseparam = hns3_set_pauseparam, 1071 .get_strings = hns3_get_strings, 1072 .get_ethtool_stats = hns3_get_stats, 1073 .get_sset_count = hns3_get_sset_count, 1074 .get_rxnfc = hns3_get_rxnfc, 1075 .set_rxnfc = hns3_set_rxnfc, 1076 .get_rxfh_key_size = hns3_get_rss_key_size, 1077 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1078 .get_rxfh = hns3_get_rss, 1079 .set_rxfh = hns3_set_rss, 1080 .get_link_ksettings = hns3_get_link_ksettings, 1081 .set_link_ksettings = hns3_set_link_ksettings, 1082 .nway_reset = hns3_nway_reset, 1083 .get_channels = hns3_get_channels, 1084 .set_channels = hns3_set_channels, 1085 .get_coalesce = hns3_get_coalesce, 1086 .set_coalesce = hns3_set_coalesce, 1087 .get_regs_len = hns3_get_regs_len, 1088 .get_regs = hns3_get_regs, 1089 .set_phys_id = hns3_set_phys_id, 1090 }; 1091 1092 void hns3_ethtool_set_ops(struct net_device *netdev) 1093 { 1094 struct hnae3_handle *h = hns3_get_handle(netdev); 1095 1096 if (h->flags & HNAE3_SUPPORT_VF) 1097 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1098 else 1099 netdev->ethtool_ops = &hns3_ethtool_ops; 1100 } 1101