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 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 34 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 35 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 36 HNS3_TQP_STAT("tso_err", tx_tso_err), 37 }; 38 39 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 40 41 static const struct hns3_stats hns3_rxq_stats[] = { 42 /* Rx per-queue statistics */ 43 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 44 HNS3_TQP_STAT("dropped", sw_err_cnt), 45 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 46 HNS3_TQP_STAT("packets", rx_pkts), 47 HNS3_TQP_STAT("bytes", rx_bytes), 48 HNS3_TQP_STAT("errors", rx_err_cnt), 49 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 50 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 51 HNS3_TQP_STAT("err_bd_num", err_bd_num), 52 HNS3_TQP_STAT("l2_err", l2_err), 53 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 54 HNS3_TQP_STAT("multicast", rx_multicast), 55 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 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_TYPE_NUM 3 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 #define HNS3_NIC_LB_SETUP_USEC 10000 67 68 /* Nic loopback test err */ 69 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 70 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 71 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 72 73 struct hns3_link_mode_mapping { 74 u32 hns3_link_mode; 75 u32 ethtool_link_mode; 76 }; 77 78 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 79 { 80 struct hnae3_handle *h = hns3_get_handle(ndev); 81 bool vlan_filter_enable; 82 int ret; 83 84 if (!h->ae_algo->ops->set_loopback || 85 !h->ae_algo->ops->set_promisc_mode) 86 return -EOPNOTSUPP; 87 88 switch (loop) { 89 case HNAE3_LOOP_SERIAL_SERDES: 90 case HNAE3_LOOP_PARALLEL_SERDES: 91 case HNAE3_LOOP_APP: 92 ret = h->ae_algo->ops->set_loopback(h, loop, en); 93 break; 94 default: 95 ret = -ENOTSUPP; 96 break; 97 } 98 99 if (ret) 100 return ret; 101 102 if (en) { 103 h->ae_algo->ops->set_promisc_mode(h, true, true); 104 } else { 105 /* recover promisc mode before loopback test */ 106 hns3_update_promisc_mode(ndev, h->netdev_flags); 107 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 108 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 109 } 110 111 return ret; 112 } 113 114 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 115 { 116 struct hnae3_handle *h = hns3_get_handle(ndev); 117 int ret; 118 119 ret = hns3_nic_reset_all_ring(h); 120 if (ret) 121 return ret; 122 123 ret = hns3_lp_setup(ndev, loop_mode, true); 124 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 125 126 return ret; 127 } 128 129 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 130 { 131 int ret; 132 133 ret = hns3_lp_setup(ndev, loop_mode, false); 134 if (ret) { 135 netdev_err(ndev, "lb_setup return error: %d\n", ret); 136 return ret; 137 } 138 139 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 140 141 return 0; 142 } 143 144 static void hns3_lp_setup_skb(struct sk_buff *skb) 145 { 146 struct net_device *ndev = skb->dev; 147 unsigned char *packet; 148 struct ethhdr *ethh; 149 unsigned int i; 150 151 skb_reserve(skb, NET_IP_ALIGN); 152 ethh = skb_put(skb, sizeof(struct ethhdr)); 153 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 154 155 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 156 157 /* The dst mac addr of loopback packet is the same as the host' 158 * mac addr, the SSU component may loop back the packet to host 159 * before the packet reaches mac or serdes, which will defect 160 * the purpose of mac or serdes selftest. 161 */ 162 ethh->h_dest[5] += 0x1f; 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 preempt_disable(); 208 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 209 preempt_enable(); 210 211 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 212 rx_group->total_packets = pre_rx_pkt; 213 } 214 return rcv_good_pkt_total; 215 } 216 217 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 218 u32 end_ringid, u32 budget) 219 { 220 u32 i; 221 222 for (i = start_ringid; i <= end_ringid; i++) { 223 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 224 225 hns3_clean_tx_ring(ring); 226 } 227 } 228 229 /** 230 * hns3_lp_run_test - run loopback test 231 * @ndev: net device 232 * @mode: loopback type 233 */ 234 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 235 { 236 struct hns3_nic_priv *priv = netdev_priv(ndev); 237 struct sk_buff *skb; 238 u32 i, good_cnt; 239 int ret_val = 0; 240 241 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 242 GFP_KERNEL); 243 if (!skb) 244 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 245 246 skb->dev = ndev; 247 hns3_lp_setup_skb(skb); 248 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 249 250 good_cnt = 0; 251 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 252 netdev_tx_t tx_ret; 253 254 skb_get(skb); 255 tx_ret = hns3_nic_net_xmit(skb, ndev); 256 if (tx_ret == NETDEV_TX_OK) { 257 good_cnt++; 258 } else { 259 kfree_skb(skb); 260 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 261 tx_ret); 262 } 263 } 264 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 265 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 266 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 267 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 268 goto out; 269 } 270 271 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 272 msleep(200); 273 274 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 275 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 276 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 277 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 278 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 279 } 280 281 out: 282 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 283 HNS3_NIC_LB_TEST_RING_ID, 284 HNS3_NIC_LB_TEST_PKT_NUM); 285 286 kfree_skb(skb); 287 return ret_val; 288 } 289 290 /** 291 * hns3_nic_self_test - self test 292 * @ndev: net device 293 * @eth_test: test cmd 294 * @data: test result 295 */ 296 static void hns3_self_test(struct net_device *ndev, 297 struct ethtool_test *eth_test, u64 *data) 298 { 299 struct hns3_nic_priv *priv = netdev_priv(ndev); 300 struct hnae3_handle *h = priv->ae_handle; 301 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 302 bool if_running = netif_running(ndev); 303 #if IS_ENABLED(CONFIG_VLAN_8021Q) 304 bool dis_vlan_filter; 305 #endif 306 int test_index = 0; 307 u32 i; 308 309 if (hns3_nic_resetting(ndev)) { 310 netdev_err(ndev, "dev resetting!"); 311 return; 312 } 313 314 /* Only do offline selftest, or pass by default */ 315 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 316 return; 317 318 netif_dbg(h, drv, ndev, "self test start"); 319 320 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 321 st_param[HNAE3_LOOP_APP][1] = 322 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 323 324 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 325 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 326 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 327 328 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 329 HNAE3_LOOP_PARALLEL_SERDES; 330 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 331 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 332 333 if (if_running) 334 ndev->netdev_ops->ndo_stop(ndev); 335 336 #if IS_ENABLED(CONFIG_VLAN_8021Q) 337 /* Disable the vlan filter for selftest does not support it */ 338 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 339 h->ae_algo->ops->enable_vlan_filter; 340 if (dis_vlan_filter) 341 h->ae_algo->ops->enable_vlan_filter(h, false); 342 #endif 343 344 /* Tell firmware to stop mac autoneg before loopback test start, 345 * otherwise loopback test may be failed when the port is still 346 * negotiating. 347 */ 348 if (h->ae_algo->ops->halt_autoneg) 349 h->ae_algo->ops->halt_autoneg(h, true); 350 351 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 352 353 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 354 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 355 356 if (!st_param[i][1]) 357 continue; 358 359 data[test_index] = hns3_lp_up(ndev, loop_type); 360 if (!data[test_index]) 361 data[test_index] = hns3_lp_run_test(ndev, loop_type); 362 363 hns3_lp_down(ndev, loop_type); 364 365 if (data[test_index]) 366 eth_test->flags |= ETH_TEST_FL_FAILED; 367 368 test_index++; 369 } 370 371 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 372 373 if (h->ae_algo->ops->halt_autoneg) 374 h->ae_algo->ops->halt_autoneg(h, false); 375 376 #if IS_ENABLED(CONFIG_VLAN_8021Q) 377 if (dis_vlan_filter) 378 h->ae_algo->ops->enable_vlan_filter(h, true); 379 #endif 380 381 if (if_running) 382 ndev->netdev_ops->ndo_open(ndev); 383 384 netif_dbg(h, drv, ndev, "self test end\n"); 385 } 386 387 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 388 { 389 struct hnae3_handle *h = hns3_get_handle(netdev); 390 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 391 392 if (!ops->get_sset_count) 393 return -EOPNOTSUPP; 394 395 switch (stringset) { 396 case ETH_SS_STATS: 397 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 398 ops->get_sset_count(h, stringset)); 399 400 case ETH_SS_TEST: 401 return ops->get_sset_count(h, stringset); 402 403 default: 404 return -EOPNOTSUPP; 405 } 406 } 407 408 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 409 u32 stat_count, u32 num_tqps, const char *prefix) 410 { 411 #define MAX_PREFIX_SIZE (6 + 4) 412 u32 size_left; 413 u32 i, j; 414 u32 n1; 415 416 for (i = 0; i < num_tqps; i++) { 417 for (j = 0; j < stat_count; j++) { 418 data[ETH_GSTRING_LEN - 1] = '\0'; 419 420 /* first, prepend the prefix string */ 421 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 422 prefix, i); 423 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 424 size_left = (ETH_GSTRING_LEN - 1) - n1; 425 426 /* now, concatenate the stats string to it */ 427 strncat(data, stats[j].stats_string, size_left); 428 data += ETH_GSTRING_LEN; 429 } 430 } 431 432 return data; 433 } 434 435 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 436 { 437 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 438 const char tx_prefix[] = "txq"; 439 const char rx_prefix[] = "rxq"; 440 441 /* get strings for Tx */ 442 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 443 kinfo->num_tqps, tx_prefix); 444 445 /* get strings for Rx */ 446 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 447 kinfo->num_tqps, rx_prefix); 448 449 return data; 450 } 451 452 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 453 { 454 struct hnae3_handle *h = hns3_get_handle(netdev); 455 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 456 char *buff = (char *)data; 457 458 if (!ops->get_strings) 459 return; 460 461 switch (stringset) { 462 case ETH_SS_STATS: 463 buff = hns3_get_strings_tqps(h, buff); 464 ops->get_strings(h, stringset, (u8 *)buff); 465 break; 466 case ETH_SS_TEST: 467 ops->get_strings(h, stringset, data); 468 break; 469 default: 470 break; 471 } 472 } 473 474 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 475 { 476 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 477 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 478 struct hns3_enet_ring *ring; 479 u8 *stat; 480 int i, j; 481 482 /* get stats for Tx */ 483 for (i = 0; i < kinfo->num_tqps; i++) { 484 ring = nic_priv->ring_data[i].ring; 485 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 486 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 487 *data++ = *(u64 *)stat; 488 } 489 } 490 491 /* get stats for Rx */ 492 for (i = 0; i < kinfo->num_tqps; i++) { 493 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 494 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 495 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 496 *data++ = *(u64 *)stat; 497 } 498 } 499 500 return data; 501 } 502 503 /* hns3_get_stats - get detail statistics. 504 * @netdev: net device 505 * @stats: statistics info. 506 * @data: statistics data. 507 */ 508 static void hns3_get_stats(struct net_device *netdev, 509 struct ethtool_stats *stats, u64 *data) 510 { 511 struct hnae3_handle *h = hns3_get_handle(netdev); 512 u64 *p = data; 513 514 if (hns3_nic_resetting(netdev)) { 515 netdev_err(netdev, "dev resetting, could not get stats\n"); 516 return; 517 } 518 519 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 520 netdev_err(netdev, "could not get any statistics\n"); 521 return; 522 } 523 524 h->ae_algo->ops->update_stats(h, &netdev->stats); 525 526 /* get per-queue stats */ 527 p = hns3_get_stats_tqps(h, p); 528 529 /* get MAC & other misc hardware stats */ 530 h->ae_algo->ops->get_stats(h, p); 531 } 532 533 static void hns3_get_drvinfo(struct net_device *netdev, 534 struct ethtool_drvinfo *drvinfo) 535 { 536 struct hns3_nic_priv *priv = netdev_priv(netdev); 537 struct hnae3_handle *h = priv->ae_handle; 538 u32 fw_version; 539 540 if (!h->ae_algo->ops->get_fw_version) { 541 netdev_err(netdev, "could not get fw version!\n"); 542 return; 543 } 544 545 strncpy(drvinfo->version, hns3_driver_version, 546 sizeof(drvinfo->version)); 547 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 548 549 strncpy(drvinfo->driver, h->pdev->driver->name, 550 sizeof(drvinfo->driver)); 551 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 552 553 strncpy(drvinfo->bus_info, pci_name(h->pdev), 554 sizeof(drvinfo->bus_info)); 555 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 556 557 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 558 559 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 560 "%lu.%lu.%lu.%lu", 561 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 562 HNAE3_FW_VERSION_BYTE3_SHIFT), 563 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 564 HNAE3_FW_VERSION_BYTE2_SHIFT), 565 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 566 HNAE3_FW_VERSION_BYTE1_SHIFT), 567 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 568 HNAE3_FW_VERSION_BYTE0_SHIFT)); 569 } 570 571 static u32 hns3_get_link(struct net_device *netdev) 572 { 573 struct hnae3_handle *h = hns3_get_handle(netdev); 574 575 if (h->ae_algo->ops->get_status) 576 return h->ae_algo->ops->get_status(h); 577 else 578 return 0; 579 } 580 581 static void hns3_get_ringparam(struct net_device *netdev, 582 struct ethtool_ringparam *param) 583 { 584 struct hns3_nic_priv *priv = netdev_priv(netdev); 585 struct hnae3_handle *h = priv->ae_handle; 586 int queue_num = h->kinfo.num_tqps; 587 588 if (hns3_nic_resetting(netdev)) { 589 netdev_err(netdev, "dev resetting!"); 590 return; 591 } 592 593 param->tx_max_pending = HNS3_RING_MAX_PENDING; 594 param->rx_max_pending = HNS3_RING_MAX_PENDING; 595 596 param->tx_pending = priv->ring_data[0].ring->desc_num; 597 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 598 } 599 600 static void hns3_get_pauseparam(struct net_device *netdev, 601 struct ethtool_pauseparam *param) 602 { 603 struct hnae3_handle *h = hns3_get_handle(netdev); 604 605 if (h->ae_algo->ops->get_pauseparam) 606 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 607 ¶m->rx_pause, ¶m->tx_pause); 608 } 609 610 static int hns3_set_pauseparam(struct net_device *netdev, 611 struct ethtool_pauseparam *param) 612 { 613 struct hnae3_handle *h = hns3_get_handle(netdev); 614 615 netif_dbg(h, drv, netdev, 616 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 617 param->autoneg, param->rx_pause, param->tx_pause); 618 619 if (h->ae_algo->ops->set_pauseparam) 620 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 621 param->rx_pause, 622 param->tx_pause); 623 return -EOPNOTSUPP; 624 } 625 626 static void hns3_get_ksettings(struct hnae3_handle *h, 627 struct ethtool_link_ksettings *cmd) 628 { 629 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 630 631 /* 1.auto_neg & speed & duplex from cmd */ 632 if (ops->get_ksettings_an_result) 633 ops->get_ksettings_an_result(h, 634 &cmd->base.autoneg, 635 &cmd->base.speed, 636 &cmd->base.duplex); 637 638 /* 2.get link mode*/ 639 if (ops->get_link_mode) 640 ops->get_link_mode(h, 641 cmd->link_modes.supported, 642 cmd->link_modes.advertising); 643 644 /* 3.mdix_ctrl&mdix get from phy reg */ 645 if (ops->get_mdix_mode) 646 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 647 &cmd->base.eth_tp_mdix); 648 } 649 650 static int hns3_get_link_ksettings(struct net_device *netdev, 651 struct ethtool_link_ksettings *cmd) 652 { 653 struct hnae3_handle *h = hns3_get_handle(netdev); 654 const struct hnae3_ae_ops *ops; 655 u8 module_type; 656 u8 media_type; 657 u8 link_stat; 658 659 ops = h->ae_algo->ops; 660 if (ops->get_media_type) 661 ops->get_media_type(h, &media_type, &module_type); 662 else 663 return -EOPNOTSUPP; 664 665 switch (media_type) { 666 case HNAE3_MEDIA_TYPE_NONE: 667 cmd->base.port = PORT_NONE; 668 hns3_get_ksettings(h, cmd); 669 break; 670 case HNAE3_MEDIA_TYPE_FIBER: 671 if (module_type == HNAE3_MODULE_TYPE_CR) 672 cmd->base.port = PORT_DA; 673 else 674 cmd->base.port = PORT_FIBRE; 675 676 hns3_get_ksettings(h, cmd); 677 break; 678 case HNAE3_MEDIA_TYPE_BACKPLANE: 679 cmd->base.port = PORT_NONE; 680 hns3_get_ksettings(h, cmd); 681 break; 682 case HNAE3_MEDIA_TYPE_COPPER: 683 cmd->base.port = PORT_TP; 684 if (!netdev->phydev) 685 hns3_get_ksettings(h, cmd); 686 else 687 phy_ethtool_ksettings_get(netdev->phydev, cmd); 688 break; 689 default: 690 691 netdev_warn(netdev, "Unknown media type"); 692 return 0; 693 } 694 695 /* mdio_support */ 696 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 697 698 link_stat = hns3_get_link(netdev); 699 if (!link_stat) { 700 cmd->base.speed = SPEED_UNKNOWN; 701 cmd->base.duplex = DUPLEX_UNKNOWN; 702 } 703 704 return 0; 705 } 706 707 static int hns3_check_ksettings_param(struct net_device *netdev, 708 const struct ethtool_link_ksettings *cmd) 709 { 710 struct hnae3_handle *handle = hns3_get_handle(netdev); 711 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 712 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 713 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 714 u8 autoneg; 715 u32 speed; 716 u8 duplex; 717 int ret; 718 719 if (ops->get_ksettings_an_result) { 720 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 721 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 722 cmd->base.duplex == duplex) 723 return 0; 724 } 725 726 if (ops->get_media_type) 727 ops->get_media_type(handle, &media_type, &module_type); 728 729 if (cmd->base.duplex != DUPLEX_FULL && 730 media_type != HNAE3_MEDIA_TYPE_COPPER) { 731 netdev_err(netdev, 732 "only copper port supports half duplex!"); 733 return -EINVAL; 734 } 735 736 if (ops->check_port_speed) { 737 ret = ops->check_port_speed(handle, cmd->base.speed); 738 if (ret) { 739 netdev_err(netdev, "unsupported speed\n"); 740 return ret; 741 } 742 } 743 744 return 0; 745 } 746 747 static int hns3_set_link_ksettings(struct net_device *netdev, 748 const struct ethtool_link_ksettings *cmd) 749 { 750 struct hnae3_handle *handle = hns3_get_handle(netdev); 751 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 752 int ret = 0; 753 754 /* Chip don't support this mode. */ 755 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 756 return -EINVAL; 757 758 netif_dbg(handle, drv, netdev, 759 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 760 netdev->phydev ? "phy" : "mac", 761 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 762 763 /* Only support ksettings_set for netdev with phy attached for now */ 764 if (netdev->phydev) 765 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 766 767 if (handle->pdev->revision == 0x20) 768 return -EOPNOTSUPP; 769 770 ret = hns3_check_ksettings_param(netdev, cmd); 771 if (ret) 772 return ret; 773 774 if (ops->set_autoneg) { 775 ret = ops->set_autoneg(handle, cmd->base.autoneg); 776 if (ret) 777 return ret; 778 } 779 780 if (ops->cfg_mac_speed_dup_h) 781 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 782 cmd->base.duplex); 783 784 return ret; 785 } 786 787 static u32 hns3_get_rss_key_size(struct net_device *netdev) 788 { 789 struct hnae3_handle *h = hns3_get_handle(netdev); 790 791 if (!h->ae_algo->ops->get_rss_key_size) 792 return 0; 793 794 return h->ae_algo->ops->get_rss_key_size(h); 795 } 796 797 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 798 { 799 struct hnae3_handle *h = hns3_get_handle(netdev); 800 801 if (!h->ae_algo->ops->get_rss_indir_size) 802 return 0; 803 804 return h->ae_algo->ops->get_rss_indir_size(h); 805 } 806 807 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 808 u8 *hfunc) 809 { 810 struct hnae3_handle *h = hns3_get_handle(netdev); 811 812 if (!h->ae_algo->ops->get_rss) 813 return -EOPNOTSUPP; 814 815 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 816 } 817 818 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 819 const u8 *key, const u8 hfunc) 820 { 821 struct hnae3_handle *h = hns3_get_handle(netdev); 822 823 if (!h->ae_algo->ops->set_rss) 824 return -EOPNOTSUPP; 825 826 if ((h->pdev->revision == 0x20 && 827 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 828 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 829 netdev_err(netdev, "hash func not supported\n"); 830 return -EOPNOTSUPP; 831 } 832 833 if (!indir) { 834 netdev_err(netdev, 835 "set rss failed for indir is empty\n"); 836 return -EOPNOTSUPP; 837 } 838 839 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 840 } 841 842 static int hns3_get_rxnfc(struct net_device *netdev, 843 struct ethtool_rxnfc *cmd, 844 u32 *rule_locs) 845 { 846 struct hnae3_handle *h = hns3_get_handle(netdev); 847 848 switch (cmd->cmd) { 849 case ETHTOOL_GRXRINGS: 850 cmd->data = h->kinfo.num_tqps; 851 return 0; 852 case ETHTOOL_GRXFH: 853 if (h->ae_algo->ops->get_rss_tuple) 854 return h->ae_algo->ops->get_rss_tuple(h, cmd); 855 return -EOPNOTSUPP; 856 case ETHTOOL_GRXCLSRLCNT: 857 if (h->ae_algo->ops->get_fd_rule_cnt) 858 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 859 return -EOPNOTSUPP; 860 case ETHTOOL_GRXCLSRULE: 861 if (h->ae_algo->ops->get_fd_rule_info) 862 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 863 return -EOPNOTSUPP; 864 case ETHTOOL_GRXCLSRLALL: 865 if (h->ae_algo->ops->get_fd_all_rules) 866 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 867 rule_locs); 868 return -EOPNOTSUPP; 869 default: 870 return -EOPNOTSUPP; 871 } 872 } 873 874 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 875 u32 tx_desc_num, u32 rx_desc_num) 876 { 877 struct hnae3_handle *h = priv->ae_handle; 878 int i; 879 880 h->kinfo.num_tx_desc = tx_desc_num; 881 h->kinfo.num_rx_desc = rx_desc_num; 882 883 for (i = 0; i < h->kinfo.num_tqps; i++) { 884 priv->ring_data[i].ring->desc_num = tx_desc_num; 885 priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num = 886 rx_desc_num; 887 } 888 } 889 890 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 891 { 892 struct hnae3_handle *handle = priv->ae_handle; 893 struct hns3_enet_ring *tmp_rings; 894 int i; 895 896 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 897 sizeof(struct hns3_enet_ring), GFP_KERNEL); 898 if (!tmp_rings) 899 return NULL; 900 901 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) 902 memcpy(&tmp_rings[i], priv->ring_data[i].ring, 903 sizeof(struct hns3_enet_ring)); 904 905 return tmp_rings; 906 } 907 908 static int hns3_check_ringparam(struct net_device *ndev, 909 struct ethtool_ringparam *param) 910 { 911 if (hns3_nic_resetting(ndev)) 912 return -EBUSY; 913 914 if (param->rx_mini_pending || param->rx_jumbo_pending) 915 return -EINVAL; 916 917 if (param->tx_pending > HNS3_RING_MAX_PENDING || 918 param->tx_pending < HNS3_RING_MIN_PENDING || 919 param->rx_pending > HNS3_RING_MAX_PENDING || 920 param->rx_pending < HNS3_RING_MIN_PENDING) { 921 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 922 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 923 return -EINVAL; 924 } 925 926 return 0; 927 } 928 929 static int hns3_set_ringparam(struct net_device *ndev, 930 struct ethtool_ringparam *param) 931 { 932 struct hns3_nic_priv *priv = netdev_priv(ndev); 933 struct hnae3_handle *h = priv->ae_handle; 934 struct hns3_enet_ring *tmp_rings; 935 bool if_running = netif_running(ndev); 936 u32 old_tx_desc_num, new_tx_desc_num; 937 u32 old_rx_desc_num, new_rx_desc_num; 938 u16 queue_num = h->kinfo.num_tqps; 939 int ret, i; 940 941 ret = hns3_check_ringparam(ndev, param); 942 if (ret) 943 return ret; 944 945 /* Hardware requires that its descriptors must be multiple of eight */ 946 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 947 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 948 old_tx_desc_num = priv->ring_data[0].ring->desc_num; 949 old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num; 950 if (old_tx_desc_num == new_tx_desc_num && 951 old_rx_desc_num == new_rx_desc_num) 952 return 0; 953 954 tmp_rings = hns3_backup_ringparam(priv); 955 if (!tmp_rings) { 956 netdev_err(ndev, 957 "backup ring param failed by allocating memory fail\n"); 958 return -ENOMEM; 959 } 960 961 netdev_info(ndev, 962 "Changing Tx/Rx ring depth from %d/%d to %d/%d\n", 963 old_tx_desc_num, old_rx_desc_num, 964 new_tx_desc_num, new_rx_desc_num); 965 966 if (if_running) 967 ndev->netdev_ops->ndo_stop(ndev); 968 969 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 970 ret = hns3_init_all_ring(priv); 971 if (ret) { 972 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 973 ret); 974 975 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 976 old_rx_desc_num); 977 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 978 memcpy(priv->ring_data[i].ring, &tmp_rings[i], 979 sizeof(struct hns3_enet_ring)); 980 } else { 981 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 982 hns3_fini_ring(&tmp_rings[i]); 983 } 984 985 kfree(tmp_rings); 986 987 if (if_running) 988 ret = ndev->netdev_ops->ndo_open(ndev); 989 990 return ret; 991 } 992 993 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 994 { 995 struct hnae3_handle *h = hns3_get_handle(netdev); 996 997 switch (cmd->cmd) { 998 case ETHTOOL_SRXFH: 999 if (h->ae_algo->ops->set_rss_tuple) 1000 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1001 return -EOPNOTSUPP; 1002 case ETHTOOL_SRXCLSRLINS: 1003 if (h->ae_algo->ops->add_fd_entry) 1004 return h->ae_algo->ops->add_fd_entry(h, cmd); 1005 return -EOPNOTSUPP; 1006 case ETHTOOL_SRXCLSRLDEL: 1007 if (h->ae_algo->ops->del_fd_entry) 1008 return h->ae_algo->ops->del_fd_entry(h, cmd); 1009 return -EOPNOTSUPP; 1010 default: 1011 return -EOPNOTSUPP; 1012 } 1013 } 1014 1015 static int hns3_nway_reset(struct net_device *netdev) 1016 { 1017 struct hnae3_handle *handle = hns3_get_handle(netdev); 1018 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1019 struct phy_device *phy = netdev->phydev; 1020 int autoneg; 1021 1022 if (!netif_running(netdev)) 1023 return 0; 1024 1025 if (hns3_nic_resetting(netdev)) { 1026 netdev_err(netdev, "dev resetting!"); 1027 return -EBUSY; 1028 } 1029 1030 if (!ops->get_autoneg || !ops->restart_autoneg) 1031 return -EOPNOTSUPP; 1032 1033 autoneg = ops->get_autoneg(handle); 1034 if (autoneg != AUTONEG_ENABLE) { 1035 netdev_err(netdev, 1036 "Autoneg is off, don't support to restart it\n"); 1037 return -EINVAL; 1038 } 1039 1040 netif_dbg(handle, drv, netdev, 1041 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1042 1043 if (phy) 1044 return genphy_restart_aneg(phy); 1045 1046 if (handle->pdev->revision == 0x20) 1047 return -EOPNOTSUPP; 1048 1049 return ops->restart_autoneg(handle); 1050 } 1051 1052 static void hns3_get_channels(struct net_device *netdev, 1053 struct ethtool_channels *ch) 1054 { 1055 struct hnae3_handle *h = hns3_get_handle(netdev); 1056 1057 if (h->ae_algo->ops->get_channels) 1058 h->ae_algo->ops->get_channels(h, ch); 1059 } 1060 1061 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1062 struct ethtool_coalesce *cmd) 1063 { 1064 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1065 struct hns3_nic_priv *priv = netdev_priv(netdev); 1066 struct hnae3_handle *h = priv->ae_handle; 1067 u16 queue_num = h->kinfo.num_tqps; 1068 1069 if (hns3_nic_resetting(netdev)) 1070 return -EBUSY; 1071 1072 if (queue >= queue_num) { 1073 netdev_err(netdev, 1074 "Invalid queue value %d! Queue max id=%d\n", 1075 queue, queue_num - 1); 1076 return -EINVAL; 1077 } 1078 1079 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1080 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1081 1082 cmd->use_adaptive_tx_coalesce = 1083 tx_vector->tx_group.coal.gl_adapt_enable; 1084 cmd->use_adaptive_rx_coalesce = 1085 rx_vector->rx_group.coal.gl_adapt_enable; 1086 1087 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1088 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1089 1090 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1091 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1092 1093 return 0; 1094 } 1095 1096 static int hns3_get_coalesce(struct net_device *netdev, 1097 struct ethtool_coalesce *cmd) 1098 { 1099 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1100 } 1101 1102 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1103 struct ethtool_coalesce *cmd) 1104 { 1105 u32 rx_gl, tx_gl; 1106 1107 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1108 netdev_err(netdev, 1109 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1110 HNS3_INT_GL_MAX); 1111 return -EINVAL; 1112 } 1113 1114 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1115 netdev_err(netdev, 1116 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1117 HNS3_INT_GL_MAX); 1118 return -EINVAL; 1119 } 1120 1121 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1122 if (rx_gl != cmd->rx_coalesce_usecs) { 1123 netdev_info(netdev, 1124 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1125 cmd->rx_coalesce_usecs, rx_gl); 1126 } 1127 1128 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1129 if (tx_gl != cmd->tx_coalesce_usecs) { 1130 netdev_info(netdev, 1131 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1132 cmd->tx_coalesce_usecs, tx_gl); 1133 } 1134 1135 return 0; 1136 } 1137 1138 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1139 struct ethtool_coalesce *cmd) 1140 { 1141 u32 rl; 1142 1143 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1144 netdev_err(netdev, 1145 "tx_usecs_high must be same as rx_usecs_high.\n"); 1146 return -EINVAL; 1147 } 1148 1149 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1150 netdev_err(netdev, 1151 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1152 HNS3_INT_RL_MAX); 1153 return -EINVAL; 1154 } 1155 1156 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1157 if (rl != cmd->rx_coalesce_usecs_high) { 1158 netdev_info(netdev, 1159 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 1160 cmd->rx_coalesce_usecs_high, rl); 1161 } 1162 1163 return 0; 1164 } 1165 1166 static int hns3_check_coalesce_para(struct net_device *netdev, 1167 struct ethtool_coalesce *cmd) 1168 { 1169 int ret; 1170 1171 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1172 if (ret) { 1173 netdev_err(netdev, 1174 "Check gl coalesce param fail. ret = %d\n", ret); 1175 return ret; 1176 } 1177 1178 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1179 if (ret) { 1180 netdev_err(netdev, 1181 "Check rl coalesce param fail. ret = %d\n", ret); 1182 return ret; 1183 } 1184 1185 if (cmd->use_adaptive_tx_coalesce == 1 || 1186 cmd->use_adaptive_rx_coalesce == 1) { 1187 netdev_info(netdev, 1188 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1189 cmd->use_adaptive_tx_coalesce, 1190 cmd->use_adaptive_rx_coalesce); 1191 } 1192 1193 return 0; 1194 } 1195 1196 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1197 struct ethtool_coalesce *cmd, 1198 u32 queue) 1199 { 1200 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1201 struct hns3_nic_priv *priv = netdev_priv(netdev); 1202 struct hnae3_handle *h = priv->ae_handle; 1203 int queue_num = h->kinfo.num_tqps; 1204 1205 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1206 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1207 1208 tx_vector->tx_group.coal.gl_adapt_enable = 1209 cmd->use_adaptive_tx_coalesce; 1210 rx_vector->rx_group.coal.gl_adapt_enable = 1211 cmd->use_adaptive_rx_coalesce; 1212 1213 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1214 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1215 1216 hns3_set_vector_coalesce_tx_gl(tx_vector, 1217 tx_vector->tx_group.coal.int_gl); 1218 hns3_set_vector_coalesce_rx_gl(rx_vector, 1219 rx_vector->rx_group.coal.int_gl); 1220 1221 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1222 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1223 } 1224 1225 static int hns3_set_coalesce(struct net_device *netdev, 1226 struct ethtool_coalesce *cmd) 1227 { 1228 struct hnae3_handle *h = hns3_get_handle(netdev); 1229 u16 queue_num = h->kinfo.num_tqps; 1230 int ret; 1231 int i; 1232 1233 if (hns3_nic_resetting(netdev)) 1234 return -EBUSY; 1235 1236 ret = hns3_check_coalesce_para(netdev, cmd); 1237 if (ret) 1238 return ret; 1239 1240 h->kinfo.int_rl_setting = 1241 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1242 1243 for (i = 0; i < queue_num; i++) 1244 hns3_set_coalesce_per_queue(netdev, cmd, i); 1245 1246 return 0; 1247 } 1248 1249 static int hns3_get_regs_len(struct net_device *netdev) 1250 { 1251 struct hnae3_handle *h = hns3_get_handle(netdev); 1252 1253 if (!h->ae_algo->ops->get_regs_len) 1254 return -EOPNOTSUPP; 1255 1256 return h->ae_algo->ops->get_regs_len(h); 1257 } 1258 1259 static void hns3_get_regs(struct net_device *netdev, 1260 struct ethtool_regs *cmd, void *data) 1261 { 1262 struct hnae3_handle *h = hns3_get_handle(netdev); 1263 1264 if (!h->ae_algo->ops->get_regs) 1265 return; 1266 1267 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1268 } 1269 1270 static int hns3_set_phys_id(struct net_device *netdev, 1271 enum ethtool_phys_id_state state) 1272 { 1273 struct hnae3_handle *h = hns3_get_handle(netdev); 1274 1275 if (!h->ae_algo->ops->set_led_id) 1276 return -EOPNOTSUPP; 1277 1278 return h->ae_algo->ops->set_led_id(h, state); 1279 } 1280 1281 static u32 hns3_get_msglevel(struct net_device *netdev) 1282 { 1283 struct hnae3_handle *h = hns3_get_handle(netdev); 1284 1285 return h->msg_enable; 1286 } 1287 1288 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1289 { 1290 struct hnae3_handle *h = hns3_get_handle(netdev); 1291 1292 h->msg_enable = msg_level; 1293 } 1294 1295 /* Translate local fec value into ethtool value. */ 1296 static unsigned int loc_to_eth_fec(u8 loc_fec) 1297 { 1298 u32 eth_fec = 0; 1299 1300 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1301 eth_fec |= ETHTOOL_FEC_AUTO; 1302 if (loc_fec & BIT(HNAE3_FEC_RS)) 1303 eth_fec |= ETHTOOL_FEC_RS; 1304 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1305 eth_fec |= ETHTOOL_FEC_BASER; 1306 1307 /* if nothing is set, then FEC is off */ 1308 if (!eth_fec) 1309 eth_fec = ETHTOOL_FEC_OFF; 1310 1311 return eth_fec; 1312 } 1313 1314 /* Translate ethtool fec value into local value. */ 1315 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1316 { 1317 u32 loc_fec = 0; 1318 1319 if (eth_fec & ETHTOOL_FEC_OFF) 1320 return loc_fec; 1321 1322 if (eth_fec & ETHTOOL_FEC_AUTO) 1323 loc_fec |= BIT(HNAE3_FEC_AUTO); 1324 if (eth_fec & ETHTOOL_FEC_RS) 1325 loc_fec |= BIT(HNAE3_FEC_RS); 1326 if (eth_fec & ETHTOOL_FEC_BASER) 1327 loc_fec |= BIT(HNAE3_FEC_BASER); 1328 1329 return loc_fec; 1330 } 1331 1332 static int hns3_get_fecparam(struct net_device *netdev, 1333 struct ethtool_fecparam *fec) 1334 { 1335 struct hnae3_handle *handle = hns3_get_handle(netdev); 1336 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1337 u8 fec_ability; 1338 u8 fec_mode; 1339 1340 if (handle->pdev->revision == 0x20) 1341 return -EOPNOTSUPP; 1342 1343 if (!ops->get_fec) 1344 return -EOPNOTSUPP; 1345 1346 ops->get_fec(handle, &fec_ability, &fec_mode); 1347 1348 fec->fec = loc_to_eth_fec(fec_ability); 1349 fec->active_fec = loc_to_eth_fec(fec_mode); 1350 1351 return 0; 1352 } 1353 1354 static int hns3_set_fecparam(struct net_device *netdev, 1355 struct ethtool_fecparam *fec) 1356 { 1357 struct hnae3_handle *handle = hns3_get_handle(netdev); 1358 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1359 u32 fec_mode; 1360 1361 if (handle->pdev->revision == 0x20) 1362 return -EOPNOTSUPP; 1363 1364 if (!ops->set_fec) 1365 return -EOPNOTSUPP; 1366 fec_mode = eth_to_loc_fec(fec->fec); 1367 1368 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1369 1370 return ops->set_fec(handle, fec_mode); 1371 } 1372 1373 static const struct ethtool_ops hns3vf_ethtool_ops = { 1374 .get_drvinfo = hns3_get_drvinfo, 1375 .get_ringparam = hns3_get_ringparam, 1376 .set_ringparam = hns3_set_ringparam, 1377 .get_strings = hns3_get_strings, 1378 .get_ethtool_stats = hns3_get_stats, 1379 .get_sset_count = hns3_get_sset_count, 1380 .get_rxnfc = hns3_get_rxnfc, 1381 .set_rxnfc = hns3_set_rxnfc, 1382 .get_rxfh_key_size = hns3_get_rss_key_size, 1383 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1384 .get_rxfh = hns3_get_rss, 1385 .set_rxfh = hns3_set_rss, 1386 .get_link_ksettings = hns3_get_link_ksettings, 1387 .get_channels = hns3_get_channels, 1388 .get_coalesce = hns3_get_coalesce, 1389 .set_coalesce = hns3_set_coalesce, 1390 .get_regs_len = hns3_get_regs_len, 1391 .get_regs = hns3_get_regs, 1392 .get_link = hns3_get_link, 1393 .get_msglevel = hns3_get_msglevel, 1394 .set_msglevel = hns3_set_msglevel, 1395 }; 1396 1397 static const struct ethtool_ops hns3_ethtool_ops = { 1398 .self_test = hns3_self_test, 1399 .get_drvinfo = hns3_get_drvinfo, 1400 .get_link = hns3_get_link, 1401 .get_ringparam = hns3_get_ringparam, 1402 .set_ringparam = hns3_set_ringparam, 1403 .get_pauseparam = hns3_get_pauseparam, 1404 .set_pauseparam = hns3_set_pauseparam, 1405 .get_strings = hns3_get_strings, 1406 .get_ethtool_stats = hns3_get_stats, 1407 .get_sset_count = hns3_get_sset_count, 1408 .get_rxnfc = hns3_get_rxnfc, 1409 .set_rxnfc = hns3_set_rxnfc, 1410 .get_rxfh_key_size = hns3_get_rss_key_size, 1411 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1412 .get_rxfh = hns3_get_rss, 1413 .set_rxfh = hns3_set_rss, 1414 .get_link_ksettings = hns3_get_link_ksettings, 1415 .set_link_ksettings = hns3_set_link_ksettings, 1416 .nway_reset = hns3_nway_reset, 1417 .get_channels = hns3_get_channels, 1418 .set_channels = hns3_set_channels, 1419 .get_coalesce = hns3_get_coalesce, 1420 .set_coalesce = hns3_set_coalesce, 1421 .get_regs_len = hns3_get_regs_len, 1422 .get_regs = hns3_get_regs, 1423 .set_phys_id = hns3_set_phys_id, 1424 .get_msglevel = hns3_get_msglevel, 1425 .set_msglevel = hns3_set_msglevel, 1426 .get_fecparam = hns3_get_fecparam, 1427 .set_fecparam = hns3_set_fecparam, 1428 }; 1429 1430 void hns3_ethtool_set_ops(struct net_device *netdev) 1431 { 1432 struct hnae3_handle *h = hns3_get_handle(netdev); 1433 1434 if (h->flags & HNAE3_SUPPORT_VF) 1435 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1436 else 1437 netdev->ethtool_ops = &hns3_ethtool_ops; 1438 } 1439