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 HNS3_TQP_STAT("copy", tx_copy), 33 }; 34 35 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 36 37 static const struct hns3_stats hns3_rxq_stats[] = { 38 /* Rx per-queue statistics */ 39 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 40 HNS3_TQP_STAT("dropped", sw_err_cnt), 41 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 42 HNS3_TQP_STAT("packets", rx_pkts), 43 HNS3_TQP_STAT("bytes", rx_bytes), 44 HNS3_TQP_STAT("errors", rx_err_cnt), 45 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 46 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 47 HNS3_TQP_STAT("err_bd_num", err_bd_num), 48 HNS3_TQP_STAT("l2_err", l2_err), 49 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 50 HNS3_TQP_STAT("multicast", rx_multicast), 51 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 52 }; 53 54 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 55 56 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 57 58 #define HNS3_SELF_TEST_TYPE_NUM 3 59 #define HNS3_NIC_LB_TEST_PKT_NUM 1 60 #define HNS3_NIC_LB_TEST_RING_ID 0 61 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 62 #define HNS3_NIC_LB_SETUP_USEC 10000 63 64 /* Nic loopback test err */ 65 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 66 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 67 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 68 69 struct hns3_link_mode_mapping { 70 u32 hns3_link_mode; 71 u32 ethtool_link_mode; 72 }; 73 74 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 75 { 76 struct hnae3_handle *h = hns3_get_handle(ndev); 77 bool vlan_filter_enable; 78 int ret; 79 80 if (!h->ae_algo->ops->set_loopback || 81 !h->ae_algo->ops->set_promisc_mode) 82 return -EOPNOTSUPP; 83 84 switch (loop) { 85 case HNAE3_LOOP_SERIAL_SERDES: 86 case HNAE3_LOOP_PARALLEL_SERDES: 87 case HNAE3_LOOP_APP: 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 if (en) { 99 h->ae_algo->ops->set_promisc_mode(h, true, true); 100 } else { 101 /* recover promisc mode before loopback test */ 102 hns3_update_promisc_mode(ndev, h->netdev_flags); 103 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 104 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 105 } 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 ret = hns3_nic_reset_all_ring(h); 116 if (ret) 117 return ret; 118 119 ret = hns3_lp_setup(ndev, loop_mode, true); 120 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 121 122 return ret; 123 } 124 125 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 126 { 127 int ret; 128 129 ret = hns3_lp_setup(ndev, loop_mode, false); 130 if (ret) { 131 netdev_err(ndev, "lb_setup return error: %d\n", ret); 132 return ret; 133 } 134 135 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 136 137 return 0; 138 } 139 140 static void hns3_lp_setup_skb(struct sk_buff *skb) 141 { 142 struct net_device *ndev = skb->dev; 143 unsigned char *packet; 144 struct ethhdr *ethh; 145 unsigned int i; 146 147 skb_reserve(skb, NET_IP_ALIGN); 148 ethh = skb_put(skb, sizeof(struct ethhdr)); 149 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 150 151 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 152 153 /* The dst mac addr of loopback packet is the same as the host' 154 * mac addr, the SSU component may loop back the packet to host 155 * before the packet reaches mac or serdes, which will defect 156 * the purpose of mac or serdes selftest. 157 */ 158 ethh->h_dest[5] += 0x1f; 159 eth_zero_addr(ethh->h_source); 160 ethh->h_proto = htons(ETH_P_ARP); 161 skb_reset_mac_header(skb); 162 163 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 164 packet[i] = (unsigned char)(i & 0xff); 165 } 166 167 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 168 struct sk_buff *skb) 169 { 170 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 171 unsigned char *packet = skb->data; 172 u32 i; 173 174 for (i = 0; i < skb->len; i++) 175 if (packet[i] != (unsigned char)(i & 0xff)) 176 break; 177 178 /* The packet is correctly received */ 179 if (i == skb->len) 180 tqp_vector->rx_group.total_packets++; 181 else 182 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 183 skb->data, skb->len, true); 184 185 dev_kfree_skb_any(skb); 186 } 187 188 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 189 { 190 struct hnae3_handle *h = priv->ae_handle; 191 struct hnae3_knic_private_info *kinfo; 192 u32 i, rcv_good_pkt_total = 0; 193 194 kinfo = &h->kinfo; 195 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 196 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 197 struct hns3_enet_ring_group *rx_group; 198 u64 pre_rx_pkt; 199 200 rx_group = &ring->tqp_vector->rx_group; 201 pre_rx_pkt = rx_group->total_packets; 202 203 preempt_disable(); 204 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 205 preempt_enable(); 206 207 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 208 rx_group->total_packets = pre_rx_pkt; 209 } 210 return rcv_good_pkt_total; 211 } 212 213 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 214 u32 end_ringid, u32 budget) 215 { 216 u32 i; 217 218 for (i = start_ringid; i <= end_ringid; i++) { 219 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 220 221 hns3_clean_tx_ring(ring); 222 } 223 } 224 225 /** 226 * hns3_lp_run_test - run loopback test 227 * @ndev: net device 228 * @mode: loopback type 229 */ 230 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 231 { 232 struct hns3_nic_priv *priv = netdev_priv(ndev); 233 struct sk_buff *skb; 234 u32 i, good_cnt; 235 int ret_val = 0; 236 237 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 238 GFP_KERNEL); 239 if (!skb) 240 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 241 242 skb->dev = ndev; 243 hns3_lp_setup_skb(skb); 244 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 245 246 good_cnt = 0; 247 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 248 netdev_tx_t tx_ret; 249 250 skb_get(skb); 251 tx_ret = hns3_nic_net_xmit(skb, ndev); 252 if (tx_ret == NETDEV_TX_OK) { 253 good_cnt++; 254 } else { 255 kfree_skb(skb); 256 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 257 tx_ret); 258 } 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_TYPE_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 if (hns3_nic_resetting(ndev)) { 306 netdev_err(ndev, "dev resetting!"); 307 return; 308 } 309 310 /* Only do offline selftest, or pass by default */ 311 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 312 return; 313 314 netif_dbg(h, drv, ndev, "self test start"); 315 316 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 317 st_param[HNAE3_LOOP_APP][1] = 318 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 319 320 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 321 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 322 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 323 324 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 325 HNAE3_LOOP_PARALLEL_SERDES; 326 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 327 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 328 329 if (if_running) 330 ndev->netdev_ops->ndo_stop(ndev); 331 332 #if IS_ENABLED(CONFIG_VLAN_8021Q) 333 /* Disable the vlan filter for selftest does not support it */ 334 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 335 h->ae_algo->ops->enable_vlan_filter; 336 if (dis_vlan_filter) 337 h->ae_algo->ops->enable_vlan_filter(h, false); 338 #endif 339 340 /* Tell firmware to stop mac autoneg before loopback test start, 341 * otherwise loopback test may be failed when the port is still 342 * negotiating. 343 */ 344 if (h->ae_algo->ops->halt_autoneg) 345 h->ae_algo->ops->halt_autoneg(h, true); 346 347 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 348 349 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 350 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 351 352 if (!st_param[i][1]) 353 continue; 354 355 data[test_index] = hns3_lp_up(ndev, loop_type); 356 if (!data[test_index]) 357 data[test_index] = hns3_lp_run_test(ndev, loop_type); 358 359 hns3_lp_down(ndev, loop_type); 360 361 if (data[test_index]) 362 eth_test->flags |= ETH_TEST_FL_FAILED; 363 364 test_index++; 365 } 366 367 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 368 369 if (h->ae_algo->ops->halt_autoneg) 370 h->ae_algo->ops->halt_autoneg(h, false); 371 372 #if IS_ENABLED(CONFIG_VLAN_8021Q) 373 if (dis_vlan_filter) 374 h->ae_algo->ops->enable_vlan_filter(h, true); 375 #endif 376 377 if (if_running) 378 ndev->netdev_ops->ndo_open(ndev); 379 380 netif_dbg(h, drv, ndev, "self test end\n"); 381 } 382 383 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 384 { 385 struct hnae3_handle *h = hns3_get_handle(netdev); 386 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 387 388 if (!ops->get_sset_count) 389 return -EOPNOTSUPP; 390 391 switch (stringset) { 392 case ETH_SS_STATS: 393 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 394 ops->get_sset_count(h, stringset)); 395 396 case ETH_SS_TEST: 397 return ops->get_sset_count(h, stringset); 398 399 default: 400 return -EOPNOTSUPP; 401 } 402 } 403 404 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 405 u32 stat_count, u32 num_tqps, const char *prefix) 406 { 407 #define MAX_PREFIX_SIZE (6 + 4) 408 u32 size_left; 409 u32 i, j; 410 u32 n1; 411 412 for (i = 0; i < num_tqps; i++) { 413 for (j = 0; j < stat_count; j++) { 414 data[ETH_GSTRING_LEN - 1] = '\0'; 415 416 /* first, prepend the prefix string */ 417 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 418 prefix, i); 419 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 420 size_left = (ETH_GSTRING_LEN - 1) - n1; 421 422 /* now, concatenate the stats string to it */ 423 strncat(data, stats[j].stats_string, size_left); 424 data += ETH_GSTRING_LEN; 425 } 426 } 427 428 return data; 429 } 430 431 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 432 { 433 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 434 const char tx_prefix[] = "txq"; 435 const char rx_prefix[] = "rxq"; 436 437 /* get strings for Tx */ 438 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 439 kinfo->num_tqps, tx_prefix); 440 441 /* get strings for Rx */ 442 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 443 kinfo->num_tqps, rx_prefix); 444 445 return data; 446 } 447 448 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 449 { 450 struct hnae3_handle *h = hns3_get_handle(netdev); 451 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 452 char *buff = (char *)data; 453 454 if (!ops->get_strings) 455 return; 456 457 switch (stringset) { 458 case ETH_SS_STATS: 459 buff = hns3_get_strings_tqps(h, buff); 460 ops->get_strings(h, stringset, (u8 *)buff); 461 break; 462 case ETH_SS_TEST: 463 ops->get_strings(h, stringset, data); 464 break; 465 default: 466 break; 467 } 468 } 469 470 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 471 { 472 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 473 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 474 struct hns3_enet_ring *ring; 475 u8 *stat; 476 int i, j; 477 478 /* get stats for Tx */ 479 for (i = 0; i < kinfo->num_tqps; i++) { 480 ring = nic_priv->ring_data[i].ring; 481 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 482 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 483 *data++ = *(u64 *)stat; 484 } 485 } 486 487 /* get stats for Rx */ 488 for (i = 0; i < kinfo->num_tqps; i++) { 489 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 490 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 491 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 492 *data++ = *(u64 *)stat; 493 } 494 } 495 496 return data; 497 } 498 499 /* hns3_get_stats - get detail statistics. 500 * @netdev: net device 501 * @stats: statistics info. 502 * @data: statistics data. 503 */ 504 static void hns3_get_stats(struct net_device *netdev, 505 struct ethtool_stats *stats, u64 *data) 506 { 507 struct hnae3_handle *h = hns3_get_handle(netdev); 508 u64 *p = data; 509 510 if (hns3_nic_resetting(netdev)) { 511 netdev_err(netdev, "dev resetting, could not get stats\n"); 512 return; 513 } 514 515 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 516 netdev_err(netdev, "could not get any statistics\n"); 517 return; 518 } 519 520 h->ae_algo->ops->update_stats(h, &netdev->stats); 521 522 /* get per-queue stats */ 523 p = hns3_get_stats_tqps(h, p); 524 525 /* get MAC & other misc hardware stats */ 526 h->ae_algo->ops->get_stats(h, p); 527 } 528 529 static void hns3_get_drvinfo(struct net_device *netdev, 530 struct ethtool_drvinfo *drvinfo) 531 { 532 struct hns3_nic_priv *priv = netdev_priv(netdev); 533 struct hnae3_handle *h = priv->ae_handle; 534 u32 fw_version; 535 536 if (!h->ae_algo->ops->get_fw_version) { 537 netdev_err(netdev, "could not get fw version!\n"); 538 return; 539 } 540 541 strncpy(drvinfo->version, hns3_driver_version, 542 sizeof(drvinfo->version)); 543 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 544 545 strncpy(drvinfo->driver, h->pdev->driver->name, 546 sizeof(drvinfo->driver)); 547 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 548 549 strncpy(drvinfo->bus_info, pci_name(h->pdev), 550 sizeof(drvinfo->bus_info)); 551 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 552 553 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 554 555 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 556 "%lu.%lu.%lu.%lu", 557 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 558 HNAE3_FW_VERSION_BYTE3_SHIFT), 559 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 560 HNAE3_FW_VERSION_BYTE2_SHIFT), 561 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 562 HNAE3_FW_VERSION_BYTE1_SHIFT), 563 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 564 HNAE3_FW_VERSION_BYTE0_SHIFT)); 565 } 566 567 static u32 hns3_get_link(struct net_device *netdev) 568 { 569 struct hnae3_handle *h = hns3_get_handle(netdev); 570 571 if (h->ae_algo->ops->get_status) 572 return h->ae_algo->ops->get_status(h); 573 else 574 return 0; 575 } 576 577 static void hns3_get_ringparam(struct net_device *netdev, 578 struct ethtool_ringparam *param) 579 { 580 struct hns3_nic_priv *priv = netdev_priv(netdev); 581 struct hnae3_handle *h = priv->ae_handle; 582 int queue_num = h->kinfo.num_tqps; 583 584 if (hns3_nic_resetting(netdev)) { 585 netdev_err(netdev, "dev resetting!"); 586 return; 587 } 588 589 param->tx_max_pending = HNS3_RING_MAX_PENDING; 590 param->rx_max_pending = HNS3_RING_MAX_PENDING; 591 592 param->tx_pending = priv->ring_data[0].ring->desc_num; 593 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 594 } 595 596 static void hns3_get_pauseparam(struct net_device *netdev, 597 struct ethtool_pauseparam *param) 598 { 599 struct hnae3_handle *h = hns3_get_handle(netdev); 600 601 if (h->ae_algo->ops->get_pauseparam) 602 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 603 ¶m->rx_pause, ¶m->tx_pause); 604 } 605 606 static int hns3_set_pauseparam(struct net_device *netdev, 607 struct ethtool_pauseparam *param) 608 { 609 struct hnae3_handle *h = hns3_get_handle(netdev); 610 611 netif_dbg(h, drv, netdev, 612 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 613 param->autoneg, param->rx_pause, param->tx_pause); 614 615 if (h->ae_algo->ops->set_pauseparam) 616 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 617 param->rx_pause, 618 param->tx_pause); 619 return -EOPNOTSUPP; 620 } 621 622 static void hns3_get_ksettings(struct hnae3_handle *h, 623 struct ethtool_link_ksettings *cmd) 624 { 625 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 626 627 /* 1.auto_neg & speed & duplex from cmd */ 628 if (ops->get_ksettings_an_result) 629 ops->get_ksettings_an_result(h, 630 &cmd->base.autoneg, 631 &cmd->base.speed, 632 &cmd->base.duplex); 633 634 /* 2.get link mode*/ 635 if (ops->get_link_mode) 636 ops->get_link_mode(h, 637 cmd->link_modes.supported, 638 cmd->link_modes.advertising); 639 640 /* 3.mdix_ctrl&mdix get from phy reg */ 641 if (ops->get_mdix_mode) 642 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 643 &cmd->base.eth_tp_mdix); 644 } 645 646 static int hns3_get_link_ksettings(struct net_device *netdev, 647 struct ethtool_link_ksettings *cmd) 648 { 649 struct hnae3_handle *h = hns3_get_handle(netdev); 650 const struct hnae3_ae_ops *ops; 651 u8 module_type; 652 u8 media_type; 653 u8 link_stat; 654 655 ops = h->ae_algo->ops; 656 if (ops->get_media_type) 657 ops->get_media_type(h, &media_type, &module_type); 658 else 659 return -EOPNOTSUPP; 660 661 switch (media_type) { 662 case HNAE3_MEDIA_TYPE_NONE: 663 cmd->base.port = PORT_NONE; 664 hns3_get_ksettings(h, cmd); 665 break; 666 case HNAE3_MEDIA_TYPE_FIBER: 667 if (module_type == HNAE3_MODULE_TYPE_CR) 668 cmd->base.port = PORT_DA; 669 else 670 cmd->base.port = PORT_FIBRE; 671 672 hns3_get_ksettings(h, cmd); 673 break; 674 case HNAE3_MEDIA_TYPE_BACKPLANE: 675 cmd->base.port = PORT_NONE; 676 hns3_get_ksettings(h, cmd); 677 break; 678 case HNAE3_MEDIA_TYPE_COPPER: 679 cmd->base.port = PORT_TP; 680 if (!netdev->phydev) 681 hns3_get_ksettings(h, cmd); 682 else 683 phy_ethtool_ksettings_get(netdev->phydev, cmd); 684 break; 685 default: 686 687 netdev_warn(netdev, "Unknown media type"); 688 return 0; 689 } 690 691 /* mdio_support */ 692 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 693 694 link_stat = hns3_get_link(netdev); 695 if (!link_stat) { 696 cmd->base.speed = SPEED_UNKNOWN; 697 cmd->base.duplex = DUPLEX_UNKNOWN; 698 } 699 700 return 0; 701 } 702 703 static int hns3_check_ksettings_param(struct net_device *netdev, 704 const struct ethtool_link_ksettings *cmd) 705 { 706 struct hnae3_handle *handle = hns3_get_handle(netdev); 707 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 708 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 709 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 710 u8 autoneg; 711 u32 speed; 712 u8 duplex; 713 int ret; 714 715 if (ops->get_ksettings_an_result) { 716 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 717 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 718 cmd->base.duplex == duplex) 719 return 0; 720 } 721 722 if (ops->get_media_type) 723 ops->get_media_type(handle, &media_type, &module_type); 724 725 if (cmd->base.duplex != DUPLEX_FULL && 726 media_type != HNAE3_MEDIA_TYPE_COPPER) { 727 netdev_err(netdev, 728 "only copper port supports half duplex!"); 729 return -EINVAL; 730 } 731 732 if (ops->check_port_speed) { 733 ret = ops->check_port_speed(handle, cmd->base.speed); 734 if (ret) { 735 netdev_err(netdev, "unsupported speed\n"); 736 return ret; 737 } 738 } 739 740 return 0; 741 } 742 743 static int hns3_set_link_ksettings(struct net_device *netdev, 744 const struct ethtool_link_ksettings *cmd) 745 { 746 struct hnae3_handle *handle = hns3_get_handle(netdev); 747 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 748 int ret = 0; 749 750 /* Chip don't support this mode. */ 751 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 752 return -EINVAL; 753 754 netif_dbg(handle, drv, netdev, 755 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 756 netdev->phydev ? "phy" : "mac", 757 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 758 759 /* Only support ksettings_set for netdev with phy attached for now */ 760 if (netdev->phydev) 761 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 762 763 if (handle->pdev->revision == 0x20) 764 return -EOPNOTSUPP; 765 766 ret = hns3_check_ksettings_param(netdev, cmd); 767 if (ret) 768 return ret; 769 770 if (ops->set_autoneg) { 771 ret = ops->set_autoneg(handle, cmd->base.autoneg); 772 if (ret) 773 return ret; 774 } 775 776 if (ops->cfg_mac_speed_dup_h) 777 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 778 cmd->base.duplex); 779 780 return ret; 781 } 782 783 static u32 hns3_get_rss_key_size(struct net_device *netdev) 784 { 785 struct hnae3_handle *h = hns3_get_handle(netdev); 786 787 if (!h->ae_algo->ops->get_rss_key_size) 788 return 0; 789 790 return h->ae_algo->ops->get_rss_key_size(h); 791 } 792 793 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 794 { 795 struct hnae3_handle *h = hns3_get_handle(netdev); 796 797 if (!h->ae_algo->ops->get_rss_indir_size) 798 return 0; 799 800 return h->ae_algo->ops->get_rss_indir_size(h); 801 } 802 803 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 804 u8 *hfunc) 805 { 806 struct hnae3_handle *h = hns3_get_handle(netdev); 807 808 if (!h->ae_algo->ops->get_rss) 809 return -EOPNOTSUPP; 810 811 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 812 } 813 814 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 815 const u8 *key, const u8 hfunc) 816 { 817 struct hnae3_handle *h = hns3_get_handle(netdev); 818 819 if (!h->ae_algo->ops->set_rss) 820 return -EOPNOTSUPP; 821 822 if ((h->pdev->revision == 0x20 && 823 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 824 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 825 netdev_err(netdev, "hash func not supported\n"); 826 return -EOPNOTSUPP; 827 } 828 829 if (!indir) { 830 netdev_err(netdev, 831 "set rss failed for indir is empty\n"); 832 return -EOPNOTSUPP; 833 } 834 835 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 836 } 837 838 static int hns3_get_rxnfc(struct net_device *netdev, 839 struct ethtool_rxnfc *cmd, 840 u32 *rule_locs) 841 { 842 struct hnae3_handle *h = hns3_get_handle(netdev); 843 844 switch (cmd->cmd) { 845 case ETHTOOL_GRXRINGS: 846 cmd->data = h->kinfo.num_tqps; 847 return 0; 848 case ETHTOOL_GRXFH: 849 if (h->ae_algo->ops->get_rss_tuple) 850 return h->ae_algo->ops->get_rss_tuple(h, cmd); 851 return -EOPNOTSUPP; 852 case ETHTOOL_GRXCLSRLCNT: 853 if (h->ae_algo->ops->get_fd_rule_cnt) 854 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 855 return -EOPNOTSUPP; 856 case ETHTOOL_GRXCLSRULE: 857 if (h->ae_algo->ops->get_fd_rule_info) 858 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 859 return -EOPNOTSUPP; 860 case ETHTOOL_GRXCLSRLALL: 861 if (h->ae_algo->ops->get_fd_all_rules) 862 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 863 rule_locs); 864 return -EOPNOTSUPP; 865 default: 866 return -EOPNOTSUPP; 867 } 868 } 869 870 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 871 u32 tx_desc_num, u32 rx_desc_num) 872 { 873 struct hnae3_handle *h = priv->ae_handle; 874 int i; 875 876 h->kinfo.num_tx_desc = tx_desc_num; 877 h->kinfo.num_rx_desc = rx_desc_num; 878 879 for (i = 0; i < h->kinfo.num_tqps; i++) { 880 priv->ring_data[i].ring->desc_num = tx_desc_num; 881 priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num = 882 rx_desc_num; 883 } 884 } 885 886 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 887 { 888 struct hnae3_handle *handle = priv->ae_handle; 889 struct hns3_enet_ring *tmp_rings; 890 int i; 891 892 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 893 sizeof(struct hns3_enet_ring), GFP_KERNEL); 894 if (!tmp_rings) 895 return NULL; 896 897 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) 898 memcpy(&tmp_rings[i], priv->ring_data[i].ring, 899 sizeof(struct hns3_enet_ring)); 900 901 return tmp_rings; 902 } 903 904 static int hns3_check_ringparam(struct net_device *ndev, 905 struct ethtool_ringparam *param) 906 { 907 if (hns3_nic_resetting(ndev)) 908 return -EBUSY; 909 910 if (param->rx_mini_pending || param->rx_jumbo_pending) 911 return -EINVAL; 912 913 if (param->tx_pending > HNS3_RING_MAX_PENDING || 914 param->tx_pending < HNS3_RING_MIN_PENDING || 915 param->rx_pending > HNS3_RING_MAX_PENDING || 916 param->rx_pending < HNS3_RING_MIN_PENDING) { 917 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 918 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 919 return -EINVAL; 920 } 921 922 return 0; 923 } 924 925 static int hns3_set_ringparam(struct net_device *ndev, 926 struct ethtool_ringparam *param) 927 { 928 struct hns3_nic_priv *priv = netdev_priv(ndev); 929 struct hnae3_handle *h = priv->ae_handle; 930 struct hns3_enet_ring *tmp_rings; 931 bool if_running = netif_running(ndev); 932 u32 old_tx_desc_num, new_tx_desc_num; 933 u32 old_rx_desc_num, new_rx_desc_num; 934 u16 queue_num = h->kinfo.num_tqps; 935 int ret, i; 936 937 ret = hns3_check_ringparam(ndev, param); 938 if (ret) 939 return ret; 940 941 /* Hardware requires that its descriptors must be multiple of eight */ 942 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 943 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 944 old_tx_desc_num = priv->ring_data[0].ring->desc_num; 945 old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num; 946 if (old_tx_desc_num == new_tx_desc_num && 947 old_rx_desc_num == new_rx_desc_num) 948 return 0; 949 950 tmp_rings = hns3_backup_ringparam(priv); 951 if (!tmp_rings) { 952 netdev_err(ndev, 953 "backup ring param failed by allocating memory fail\n"); 954 return -ENOMEM; 955 } 956 957 netdev_info(ndev, 958 "Changing Tx/Rx ring depth from %d/%d to %d/%d\n", 959 old_tx_desc_num, old_rx_desc_num, 960 new_tx_desc_num, new_rx_desc_num); 961 962 if (if_running) 963 ndev->netdev_ops->ndo_stop(ndev); 964 965 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 966 ret = hns3_init_all_ring(priv); 967 if (ret) { 968 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 969 ret); 970 971 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 972 old_rx_desc_num); 973 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 974 memcpy(priv->ring_data[i].ring, &tmp_rings[i], 975 sizeof(struct hns3_enet_ring)); 976 } else { 977 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 978 hns3_fini_ring(&tmp_rings[i]); 979 } 980 981 kfree(tmp_rings); 982 983 if (if_running) 984 ret = ndev->netdev_ops->ndo_open(ndev); 985 986 return ret; 987 } 988 989 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 990 { 991 struct hnae3_handle *h = hns3_get_handle(netdev); 992 993 switch (cmd->cmd) { 994 case ETHTOOL_SRXFH: 995 if (h->ae_algo->ops->set_rss_tuple) 996 return h->ae_algo->ops->set_rss_tuple(h, cmd); 997 return -EOPNOTSUPP; 998 case ETHTOOL_SRXCLSRLINS: 999 if (h->ae_algo->ops->add_fd_entry) 1000 return h->ae_algo->ops->add_fd_entry(h, cmd); 1001 return -EOPNOTSUPP; 1002 case ETHTOOL_SRXCLSRLDEL: 1003 if (h->ae_algo->ops->del_fd_entry) 1004 return h->ae_algo->ops->del_fd_entry(h, cmd); 1005 return -EOPNOTSUPP; 1006 default: 1007 return -EOPNOTSUPP; 1008 } 1009 } 1010 1011 static int hns3_nway_reset(struct net_device *netdev) 1012 { 1013 struct hnae3_handle *handle = hns3_get_handle(netdev); 1014 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1015 struct phy_device *phy = netdev->phydev; 1016 int autoneg; 1017 1018 if (!netif_running(netdev)) 1019 return 0; 1020 1021 if (hns3_nic_resetting(netdev)) { 1022 netdev_err(netdev, "dev resetting!"); 1023 return -EBUSY; 1024 } 1025 1026 if (!ops->get_autoneg || !ops->restart_autoneg) 1027 return -EOPNOTSUPP; 1028 1029 autoneg = ops->get_autoneg(handle); 1030 if (autoneg != AUTONEG_ENABLE) { 1031 netdev_err(netdev, 1032 "Autoneg is off, don't support to restart it\n"); 1033 return -EINVAL; 1034 } 1035 1036 netif_dbg(handle, drv, netdev, 1037 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1038 1039 if (phy) 1040 return genphy_restart_aneg(phy); 1041 1042 if (handle->pdev->revision == 0x20) 1043 return -EOPNOTSUPP; 1044 1045 return ops->restart_autoneg(handle); 1046 } 1047 1048 static void hns3_get_channels(struct net_device *netdev, 1049 struct ethtool_channels *ch) 1050 { 1051 struct hnae3_handle *h = hns3_get_handle(netdev); 1052 1053 if (h->ae_algo->ops->get_channels) 1054 h->ae_algo->ops->get_channels(h, ch); 1055 } 1056 1057 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1058 struct ethtool_coalesce *cmd) 1059 { 1060 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1061 struct hns3_nic_priv *priv = netdev_priv(netdev); 1062 struct hnae3_handle *h = priv->ae_handle; 1063 u16 queue_num = h->kinfo.num_tqps; 1064 1065 if (hns3_nic_resetting(netdev)) 1066 return -EBUSY; 1067 1068 if (queue >= queue_num) { 1069 netdev_err(netdev, 1070 "Invalid queue value %d! Queue max id=%d\n", 1071 queue, queue_num - 1); 1072 return -EINVAL; 1073 } 1074 1075 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1076 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1077 1078 cmd->use_adaptive_tx_coalesce = 1079 tx_vector->tx_group.coal.gl_adapt_enable; 1080 cmd->use_adaptive_rx_coalesce = 1081 rx_vector->rx_group.coal.gl_adapt_enable; 1082 1083 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1084 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1085 1086 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1087 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1088 1089 return 0; 1090 } 1091 1092 static int hns3_get_coalesce(struct net_device *netdev, 1093 struct ethtool_coalesce *cmd) 1094 { 1095 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1096 } 1097 1098 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1099 struct ethtool_coalesce *cmd) 1100 { 1101 u32 rx_gl, tx_gl; 1102 1103 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1104 netdev_err(netdev, 1105 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1106 HNS3_INT_GL_MAX); 1107 return -EINVAL; 1108 } 1109 1110 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1111 netdev_err(netdev, 1112 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1113 HNS3_INT_GL_MAX); 1114 return -EINVAL; 1115 } 1116 1117 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1118 if (rx_gl != cmd->rx_coalesce_usecs) { 1119 netdev_info(netdev, 1120 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1121 cmd->rx_coalesce_usecs, rx_gl); 1122 } 1123 1124 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1125 if (tx_gl != cmd->tx_coalesce_usecs) { 1126 netdev_info(netdev, 1127 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1128 cmd->tx_coalesce_usecs, tx_gl); 1129 } 1130 1131 return 0; 1132 } 1133 1134 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1135 struct ethtool_coalesce *cmd) 1136 { 1137 u32 rl; 1138 1139 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1140 netdev_err(netdev, 1141 "tx_usecs_high must be same as rx_usecs_high.\n"); 1142 return -EINVAL; 1143 } 1144 1145 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1146 netdev_err(netdev, 1147 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1148 HNS3_INT_RL_MAX); 1149 return -EINVAL; 1150 } 1151 1152 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1153 if (rl != cmd->rx_coalesce_usecs_high) { 1154 netdev_info(netdev, 1155 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 1156 cmd->rx_coalesce_usecs_high, rl); 1157 } 1158 1159 return 0; 1160 } 1161 1162 static int hns3_check_coalesce_para(struct net_device *netdev, 1163 struct ethtool_coalesce *cmd) 1164 { 1165 int ret; 1166 1167 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1168 if (ret) { 1169 netdev_err(netdev, 1170 "Check gl coalesce param fail. ret = %d\n", ret); 1171 return ret; 1172 } 1173 1174 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1175 if (ret) { 1176 netdev_err(netdev, 1177 "Check rl coalesce param fail. ret = %d\n", ret); 1178 return ret; 1179 } 1180 1181 if (cmd->use_adaptive_tx_coalesce == 1 || 1182 cmd->use_adaptive_rx_coalesce == 1) { 1183 netdev_info(netdev, 1184 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1185 cmd->use_adaptive_tx_coalesce, 1186 cmd->use_adaptive_rx_coalesce); 1187 } 1188 1189 return 0; 1190 } 1191 1192 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1193 struct ethtool_coalesce *cmd, 1194 u32 queue) 1195 { 1196 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1197 struct hns3_nic_priv *priv = netdev_priv(netdev); 1198 struct hnae3_handle *h = priv->ae_handle; 1199 int queue_num = h->kinfo.num_tqps; 1200 1201 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1202 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1203 1204 tx_vector->tx_group.coal.gl_adapt_enable = 1205 cmd->use_adaptive_tx_coalesce; 1206 rx_vector->rx_group.coal.gl_adapt_enable = 1207 cmd->use_adaptive_rx_coalesce; 1208 1209 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1210 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1211 1212 hns3_set_vector_coalesce_tx_gl(tx_vector, 1213 tx_vector->tx_group.coal.int_gl); 1214 hns3_set_vector_coalesce_rx_gl(rx_vector, 1215 rx_vector->rx_group.coal.int_gl); 1216 1217 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1218 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1219 } 1220 1221 static int hns3_set_coalesce(struct net_device *netdev, 1222 struct ethtool_coalesce *cmd) 1223 { 1224 struct hnae3_handle *h = hns3_get_handle(netdev); 1225 u16 queue_num = h->kinfo.num_tqps; 1226 int ret; 1227 int i; 1228 1229 if (hns3_nic_resetting(netdev)) 1230 return -EBUSY; 1231 1232 ret = hns3_check_coalesce_para(netdev, cmd); 1233 if (ret) 1234 return ret; 1235 1236 h->kinfo.int_rl_setting = 1237 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1238 1239 for (i = 0; i < queue_num; i++) 1240 hns3_set_coalesce_per_queue(netdev, cmd, i); 1241 1242 return 0; 1243 } 1244 1245 static int hns3_get_regs_len(struct net_device *netdev) 1246 { 1247 struct hnae3_handle *h = hns3_get_handle(netdev); 1248 1249 if (!h->ae_algo->ops->get_regs_len) 1250 return -EOPNOTSUPP; 1251 1252 return h->ae_algo->ops->get_regs_len(h); 1253 } 1254 1255 static void hns3_get_regs(struct net_device *netdev, 1256 struct ethtool_regs *cmd, void *data) 1257 { 1258 struct hnae3_handle *h = hns3_get_handle(netdev); 1259 1260 if (!h->ae_algo->ops->get_regs) 1261 return; 1262 1263 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1264 } 1265 1266 static int hns3_set_phys_id(struct net_device *netdev, 1267 enum ethtool_phys_id_state state) 1268 { 1269 struct hnae3_handle *h = hns3_get_handle(netdev); 1270 1271 if (!h->ae_algo->ops->set_led_id) 1272 return -EOPNOTSUPP; 1273 1274 return h->ae_algo->ops->set_led_id(h, state); 1275 } 1276 1277 static u32 hns3_get_msglevel(struct net_device *netdev) 1278 { 1279 struct hnae3_handle *h = hns3_get_handle(netdev); 1280 1281 return h->msg_enable; 1282 } 1283 1284 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1285 { 1286 struct hnae3_handle *h = hns3_get_handle(netdev); 1287 1288 h->msg_enable = msg_level; 1289 } 1290 1291 /* Translate local fec value into ethtool value. */ 1292 static unsigned int loc_to_eth_fec(u8 loc_fec) 1293 { 1294 u32 eth_fec = 0; 1295 1296 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1297 eth_fec |= ETHTOOL_FEC_AUTO; 1298 if (loc_fec & BIT(HNAE3_FEC_RS)) 1299 eth_fec |= ETHTOOL_FEC_RS; 1300 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1301 eth_fec |= ETHTOOL_FEC_BASER; 1302 1303 /* if nothing is set, then FEC is off */ 1304 if (!eth_fec) 1305 eth_fec = ETHTOOL_FEC_OFF; 1306 1307 return eth_fec; 1308 } 1309 1310 /* Translate ethtool fec value into local value. */ 1311 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1312 { 1313 u32 loc_fec = 0; 1314 1315 if (eth_fec & ETHTOOL_FEC_OFF) 1316 return loc_fec; 1317 1318 if (eth_fec & ETHTOOL_FEC_AUTO) 1319 loc_fec |= BIT(HNAE3_FEC_AUTO); 1320 if (eth_fec & ETHTOOL_FEC_RS) 1321 loc_fec |= BIT(HNAE3_FEC_RS); 1322 if (eth_fec & ETHTOOL_FEC_BASER) 1323 loc_fec |= BIT(HNAE3_FEC_BASER); 1324 1325 return loc_fec; 1326 } 1327 1328 static int hns3_get_fecparam(struct net_device *netdev, 1329 struct ethtool_fecparam *fec) 1330 { 1331 struct hnae3_handle *handle = hns3_get_handle(netdev); 1332 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1333 u8 fec_ability; 1334 u8 fec_mode; 1335 1336 if (handle->pdev->revision == 0x20) 1337 return -EOPNOTSUPP; 1338 1339 if (!ops->get_fec) 1340 return -EOPNOTSUPP; 1341 1342 ops->get_fec(handle, &fec_ability, &fec_mode); 1343 1344 fec->fec = loc_to_eth_fec(fec_ability); 1345 fec->active_fec = loc_to_eth_fec(fec_mode); 1346 1347 return 0; 1348 } 1349 1350 static int hns3_set_fecparam(struct net_device *netdev, 1351 struct ethtool_fecparam *fec) 1352 { 1353 struct hnae3_handle *handle = hns3_get_handle(netdev); 1354 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1355 u32 fec_mode; 1356 1357 if (handle->pdev->revision == 0x20) 1358 return -EOPNOTSUPP; 1359 1360 if (!ops->set_fec) 1361 return -EOPNOTSUPP; 1362 fec_mode = eth_to_loc_fec(fec->fec); 1363 1364 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1365 1366 return ops->set_fec(handle, fec_mode); 1367 } 1368 1369 static const struct ethtool_ops hns3vf_ethtool_ops = { 1370 .get_drvinfo = hns3_get_drvinfo, 1371 .get_ringparam = hns3_get_ringparam, 1372 .set_ringparam = hns3_set_ringparam, 1373 .get_strings = hns3_get_strings, 1374 .get_ethtool_stats = hns3_get_stats, 1375 .get_sset_count = hns3_get_sset_count, 1376 .get_rxnfc = hns3_get_rxnfc, 1377 .set_rxnfc = hns3_set_rxnfc, 1378 .get_rxfh_key_size = hns3_get_rss_key_size, 1379 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1380 .get_rxfh = hns3_get_rss, 1381 .set_rxfh = hns3_set_rss, 1382 .get_link_ksettings = hns3_get_link_ksettings, 1383 .get_channels = hns3_get_channels, 1384 .get_coalesce = hns3_get_coalesce, 1385 .set_coalesce = hns3_set_coalesce, 1386 .get_regs_len = hns3_get_regs_len, 1387 .get_regs = hns3_get_regs, 1388 .get_link = hns3_get_link, 1389 .get_msglevel = hns3_get_msglevel, 1390 .set_msglevel = hns3_set_msglevel, 1391 }; 1392 1393 static const struct ethtool_ops hns3_ethtool_ops = { 1394 .self_test = hns3_self_test, 1395 .get_drvinfo = hns3_get_drvinfo, 1396 .get_link = hns3_get_link, 1397 .get_ringparam = hns3_get_ringparam, 1398 .set_ringparam = hns3_set_ringparam, 1399 .get_pauseparam = hns3_get_pauseparam, 1400 .set_pauseparam = hns3_set_pauseparam, 1401 .get_strings = hns3_get_strings, 1402 .get_ethtool_stats = hns3_get_stats, 1403 .get_sset_count = hns3_get_sset_count, 1404 .get_rxnfc = hns3_get_rxnfc, 1405 .set_rxnfc = hns3_set_rxnfc, 1406 .get_rxfh_key_size = hns3_get_rss_key_size, 1407 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1408 .get_rxfh = hns3_get_rss, 1409 .set_rxfh = hns3_set_rss, 1410 .get_link_ksettings = hns3_get_link_ksettings, 1411 .set_link_ksettings = hns3_set_link_ksettings, 1412 .nway_reset = hns3_nway_reset, 1413 .get_channels = hns3_get_channels, 1414 .set_channels = hns3_set_channels, 1415 .get_coalesce = hns3_get_coalesce, 1416 .set_coalesce = hns3_set_coalesce, 1417 .get_regs_len = hns3_get_regs_len, 1418 .get_regs = hns3_get_regs, 1419 .set_phys_id = hns3_set_phys_id, 1420 .get_msglevel = hns3_get_msglevel, 1421 .set_msglevel = hns3_set_msglevel, 1422 .get_fecparam = hns3_get_fecparam, 1423 .set_fecparam = hns3_set_fecparam, 1424 }; 1425 1426 void hns3_ethtool_set_ops(struct net_device *netdev) 1427 { 1428 struct hnae3_handle *h = hns3_get_handle(netdev); 1429 1430 if (h->flags & HNAE3_SUPPORT_VF) 1431 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1432 else 1433 netdev->ethtool_ops = &hns3_ethtool_ops; 1434 } 1435