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 #include <linux/sfp.h> 8 9 #include "hns3_enet.h" 10 #include "hns3_ethtool.h" 11 12 /* tqp related stats */ 13 #define HNS3_TQP_STAT(_string, _member) { \ 14 .stats_string = _string, \ 15 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 16 offsetof(struct ring_stats, _member), \ 17 } 18 19 static const struct hns3_stats hns3_txq_stats[] = { 20 /* Tx per-queue statistics */ 21 HNS3_TQP_STAT("dropped", sw_err_cnt), 22 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 23 HNS3_TQP_STAT("packets", tx_pkts), 24 HNS3_TQP_STAT("bytes", tx_bytes), 25 HNS3_TQP_STAT("more", tx_more), 26 HNS3_TQP_STAT("wake", restart_queue), 27 HNS3_TQP_STAT("busy", tx_busy), 28 HNS3_TQP_STAT("copy", tx_copy), 29 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 30 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 31 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 32 HNS3_TQP_STAT("tso_err", tx_tso_err), 33 HNS3_TQP_STAT("over_max_recursion", over_max_recursion), 34 HNS3_TQP_STAT("hw_limitation", hw_limitation), 35 HNS3_TQP_STAT("bounce", tx_bounce), 36 HNS3_TQP_STAT("spare_full", tx_spare_full), 37 HNS3_TQP_STAT("copy_bits_err", copy_bits_err), 38 HNS3_TQP_STAT("sgl", tx_sgl), 39 HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err), 40 HNS3_TQP_STAT("map_sg_err", map_sg_err), 41 }; 42 43 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 44 45 static const struct hns3_stats hns3_rxq_stats[] = { 46 /* Rx per-queue statistics */ 47 HNS3_TQP_STAT("dropped", sw_err_cnt), 48 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 49 HNS3_TQP_STAT("packets", rx_pkts), 50 HNS3_TQP_STAT("bytes", rx_bytes), 51 HNS3_TQP_STAT("errors", rx_err_cnt), 52 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 53 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 54 HNS3_TQP_STAT("err_bd_num", err_bd_num), 55 HNS3_TQP_STAT("l2_err", l2_err), 56 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 57 HNS3_TQP_STAT("csum_complete", csum_complete), 58 HNS3_TQP_STAT("multicast", rx_multicast), 59 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 60 HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err), 61 HNS3_TQP_STAT("frag_alloc", frag_alloc), 62 }; 63 64 #define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags) 65 66 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 67 68 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 69 70 #define HNS3_SELF_TEST_TYPE_NUM 4 71 #define HNS3_NIC_LB_TEST_PKT_NUM 1 72 #define HNS3_NIC_LB_TEST_RING_ID 0 73 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 74 #define HNS3_NIC_LB_SETUP_USEC 10000 75 76 /* Nic loopback test err */ 77 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 78 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 79 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 80 81 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 82 { 83 struct hnae3_handle *h = hns3_get_handle(ndev); 84 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 85 int ret; 86 87 if (!h->ae_algo->ops->set_loopback || 88 !h->ae_algo->ops->set_promisc_mode) 89 return -EOPNOTSUPP; 90 91 switch (loop) { 92 case HNAE3_LOOP_SERIAL_SERDES: 93 case HNAE3_LOOP_PARALLEL_SERDES: 94 case HNAE3_LOOP_APP: 95 case HNAE3_LOOP_PHY: 96 ret = h->ae_algo->ops->set_loopback(h, loop, en); 97 break; 98 default: 99 ret = -ENOTSUPP; 100 break; 101 } 102 103 if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 104 return ret; 105 106 if (en) 107 h->ae_algo->ops->set_promisc_mode(h, true, true); 108 else 109 /* recover promisc mode before loopback test */ 110 hns3_request_update_promisc_mode(h); 111 112 return ret; 113 } 114 115 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 116 { 117 struct hnae3_handle *h = hns3_get_handle(ndev); 118 int ret; 119 120 ret = hns3_nic_reset_all_ring(h); 121 if (ret) 122 return ret; 123 124 ret = hns3_lp_setup(ndev, loop_mode, true); 125 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 126 127 return ret; 128 } 129 130 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 131 { 132 int ret; 133 134 ret = hns3_lp_setup(ndev, loop_mode, false); 135 if (ret) { 136 netdev_err(ndev, "lb_setup return error: %d\n", ret); 137 return ret; 138 } 139 140 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 141 142 return 0; 143 } 144 145 static void hns3_lp_setup_skb(struct sk_buff *skb) 146 { 147 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 148 149 struct net_device *ndev = skb->dev; 150 struct hnae3_handle *handle; 151 struct hnae3_ae_dev *ae_dev; 152 unsigned char *packet; 153 struct ethhdr *ethh; 154 unsigned int i; 155 156 skb_reserve(skb, NET_IP_ALIGN); 157 ethh = skb_put(skb, sizeof(struct ethhdr)); 158 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 159 160 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 161 162 /* The dst mac addr of loopback packet is the same as the host' 163 * mac addr, the SSU component may loop back the packet to host 164 * before the packet reaches mac or serdes, which will defect 165 * the purpose of mac or serdes selftest. 166 */ 167 handle = hns3_get_handle(ndev); 168 ae_dev = pci_get_drvdata(handle->pdev); 169 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 170 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 171 eth_zero_addr(ethh->h_source); 172 ethh->h_proto = htons(ETH_P_ARP); 173 skb_reset_mac_header(skb); 174 175 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 176 packet[i] = (unsigned char)(i & 0xff); 177 } 178 179 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 180 struct sk_buff *skb) 181 { 182 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 183 unsigned char *packet = skb->data; 184 u32 len = skb_headlen(skb); 185 u32 i; 186 187 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 188 189 for (i = 0; i < len; i++) 190 if (packet[i] != (unsigned char)(i & 0xff)) 191 break; 192 193 /* The packet is correctly received */ 194 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 195 tqp_vector->rx_group.total_packets++; 196 else 197 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 198 skb->data, len, true); 199 200 dev_kfree_skb_any(skb); 201 } 202 203 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 204 { 205 struct hnae3_handle *h = priv->ae_handle; 206 struct hnae3_knic_private_info *kinfo; 207 u32 i, rcv_good_pkt_total = 0; 208 209 kinfo = &h->kinfo; 210 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 211 struct hns3_enet_ring *ring = &priv->ring[i]; 212 struct hns3_enet_ring_group *rx_group; 213 u64 pre_rx_pkt; 214 215 rx_group = &ring->tqp_vector->rx_group; 216 pre_rx_pkt = rx_group->total_packets; 217 218 preempt_disable(); 219 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 220 preempt_enable(); 221 222 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 223 rx_group->total_packets = pre_rx_pkt; 224 } 225 return rcv_good_pkt_total; 226 } 227 228 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 229 u32 end_ringid, u32 budget) 230 { 231 u32 i; 232 233 for (i = start_ringid; i <= end_ringid; i++) { 234 struct hns3_enet_ring *ring = &priv->ring[i]; 235 236 hns3_clean_tx_ring(ring, 0); 237 } 238 } 239 240 /** 241 * hns3_lp_run_test - run loopback test 242 * @ndev: net device 243 * @mode: loopback type 244 * 245 * Return: %0 for success or a NIC loopback test error code on failure 246 */ 247 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 248 { 249 struct hns3_nic_priv *priv = netdev_priv(ndev); 250 struct sk_buff *skb; 251 u32 i, good_cnt; 252 int ret_val = 0; 253 254 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 255 GFP_KERNEL); 256 if (!skb) 257 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 258 259 skb->dev = ndev; 260 hns3_lp_setup_skb(skb); 261 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 262 263 good_cnt = 0; 264 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 265 netdev_tx_t tx_ret; 266 267 skb_get(skb); 268 tx_ret = hns3_nic_net_xmit(skb, ndev); 269 if (tx_ret == NETDEV_TX_OK) { 270 good_cnt++; 271 } else { 272 kfree_skb(skb); 273 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 274 tx_ret); 275 } 276 } 277 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 278 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 279 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 280 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 281 goto out; 282 } 283 284 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 285 msleep(200); 286 287 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 288 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 289 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 290 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 291 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 292 } 293 294 out: 295 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 296 HNS3_NIC_LB_TEST_RING_ID, 297 HNS3_NIC_LB_TEST_PKT_NUM); 298 299 kfree_skb(skb); 300 return ret_val; 301 } 302 303 static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2]) 304 { 305 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 306 st_param[HNAE3_LOOP_APP][1] = 307 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 308 309 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 310 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 311 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 312 313 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 314 HNAE3_LOOP_PARALLEL_SERDES; 315 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 316 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 317 318 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 319 st_param[HNAE3_LOOP_PHY][1] = 320 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 321 } 322 323 static void hns3_selftest_prepare(struct net_device *ndev, 324 bool if_running, int (*st_param)[2]) 325 { 326 struct hns3_nic_priv *priv = netdev_priv(ndev); 327 struct hnae3_handle *h = priv->ae_handle; 328 329 if (netif_msg_ifdown(h)) 330 netdev_info(ndev, "self test start\n"); 331 332 hns3_set_selftest_param(h, st_param); 333 334 if (if_running) 335 ndev->netdev_ops->ndo_stop(ndev); 336 337 #if IS_ENABLED(CONFIG_VLAN_8021Q) 338 /* Disable the vlan filter for selftest does not support it */ 339 if (h->ae_algo->ops->enable_vlan_filter && 340 ndev->features & NETIF_F_HW_VLAN_CTAG_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 } 353 354 static void hns3_selftest_restore(struct net_device *ndev, bool if_running) 355 { 356 struct hns3_nic_priv *priv = netdev_priv(ndev); 357 struct hnae3_handle *h = priv->ae_handle; 358 359 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 360 361 if (h->ae_algo->ops->halt_autoneg) 362 h->ae_algo->ops->halt_autoneg(h, false); 363 364 #if IS_ENABLED(CONFIG_VLAN_8021Q) 365 if (h->ae_algo->ops->enable_vlan_filter && 366 ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) 367 h->ae_algo->ops->enable_vlan_filter(h, true); 368 #endif 369 370 if (if_running) 371 ndev->netdev_ops->ndo_open(ndev); 372 373 if (netif_msg_ifdown(h)) 374 netdev_info(ndev, "self test end\n"); 375 } 376 377 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2], 378 struct ethtool_test *eth_test, u64 *data) 379 { 380 int test_index = 0; 381 u32 i; 382 383 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 384 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 385 386 if (!st_param[i][1]) 387 continue; 388 389 data[test_index] = hns3_lp_up(ndev, loop_type); 390 if (!data[test_index]) 391 data[test_index] = hns3_lp_run_test(ndev, loop_type); 392 393 hns3_lp_down(ndev, loop_type); 394 395 if (data[test_index]) 396 eth_test->flags |= ETH_TEST_FL_FAILED; 397 398 test_index++; 399 } 400 } 401 402 /** 403 * hns3_self_test - self test 404 * @ndev: net device 405 * @eth_test: test cmd 406 * @data: test result 407 */ 408 static void hns3_self_test(struct net_device *ndev, 409 struct ethtool_test *eth_test, u64 *data) 410 { 411 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 412 bool if_running = netif_running(ndev); 413 414 if (hns3_nic_resetting(ndev)) { 415 netdev_err(ndev, "dev resetting!"); 416 return; 417 } 418 419 /* Only do offline selftest, or pass by default */ 420 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 421 return; 422 423 hns3_selftest_prepare(ndev, if_running, st_param); 424 hns3_do_selftest(ndev, st_param, eth_test, data); 425 hns3_selftest_restore(ndev, if_running); 426 } 427 428 static void hns3_update_limit_promisc_mode(struct net_device *netdev, 429 bool enable) 430 { 431 struct hnae3_handle *handle = hns3_get_handle(netdev); 432 433 if (enable) 434 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 435 else 436 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 437 438 hns3_request_update_promisc_mode(handle); 439 } 440 441 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 442 { "limit_promisc", hns3_update_limit_promisc_mode } 443 }; 444 445 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 446 { 447 struct hnae3_handle *h = hns3_get_handle(netdev); 448 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 449 450 if (!ops->get_sset_count) 451 return -EOPNOTSUPP; 452 453 switch (stringset) { 454 case ETH_SS_STATS: 455 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 456 ops->get_sset_count(h, stringset)); 457 458 case ETH_SS_TEST: 459 return ops->get_sset_count(h, stringset); 460 461 case ETH_SS_PRIV_FLAGS: 462 return HNAE3_PFLAG_MAX; 463 464 default: 465 return -EOPNOTSUPP; 466 } 467 } 468 469 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 470 u32 stat_count, u32 num_tqps, const char *prefix) 471 { 472 #define MAX_PREFIX_SIZE (6 + 4) 473 u32 size_left; 474 u32 i, j; 475 u32 n1; 476 477 for (i = 0; i < num_tqps; i++) { 478 for (j = 0; j < stat_count; j++) { 479 data[ETH_GSTRING_LEN - 1] = '\0'; 480 481 /* first, prepend the prefix string */ 482 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_", 483 prefix, i); 484 size_left = (ETH_GSTRING_LEN - 1) - n1; 485 486 /* now, concatenate the stats string to it */ 487 strncat(data, stats[j].stats_string, size_left); 488 data += ETH_GSTRING_LEN; 489 } 490 } 491 492 return data; 493 } 494 495 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 496 { 497 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 498 const char tx_prefix[] = "txq"; 499 const char rx_prefix[] = "rxq"; 500 501 /* get strings for Tx */ 502 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 503 kinfo->num_tqps, tx_prefix); 504 505 /* get strings for Rx */ 506 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 507 kinfo->num_tqps, rx_prefix); 508 509 return data; 510 } 511 512 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 513 { 514 struct hnae3_handle *h = hns3_get_handle(netdev); 515 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 516 char *buff = (char *)data; 517 int i; 518 519 if (!ops->get_strings) 520 return; 521 522 switch (stringset) { 523 case ETH_SS_STATS: 524 buff = hns3_get_strings_tqps(h, buff); 525 ops->get_strings(h, stringset, (u8 *)buff); 526 break; 527 case ETH_SS_TEST: 528 ops->get_strings(h, stringset, data); 529 break; 530 case ETH_SS_PRIV_FLAGS: 531 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { 532 snprintf(buff, ETH_GSTRING_LEN, "%s", 533 hns3_priv_flags[i].name); 534 buff += ETH_GSTRING_LEN; 535 } 536 break; 537 default: 538 break; 539 } 540 } 541 542 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 543 { 544 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 545 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 546 struct hns3_enet_ring *ring; 547 u8 *stat; 548 int i, j; 549 550 /* get stats for Tx */ 551 for (i = 0; i < kinfo->num_tqps; i++) { 552 ring = &nic_priv->ring[i]; 553 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 554 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 555 *data++ = *(u64 *)stat; 556 } 557 } 558 559 /* get stats for Rx */ 560 for (i = 0; i < kinfo->num_tqps; i++) { 561 ring = &nic_priv->ring[i + kinfo->num_tqps]; 562 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 563 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 564 *data++ = *(u64 *)stat; 565 } 566 } 567 568 return data; 569 } 570 571 /* hns3_get_stats - get detail statistics. 572 * @netdev: net device 573 * @stats: statistics info. 574 * @data: statistics data. 575 */ 576 static void hns3_get_stats(struct net_device *netdev, 577 struct ethtool_stats *stats, u64 *data) 578 { 579 struct hnae3_handle *h = hns3_get_handle(netdev); 580 u64 *p = data; 581 582 if (hns3_nic_resetting(netdev)) { 583 netdev_err(netdev, "dev resetting, could not get stats\n"); 584 return; 585 } 586 587 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 588 netdev_err(netdev, "could not get any statistics\n"); 589 return; 590 } 591 592 h->ae_algo->ops->update_stats(h, &netdev->stats); 593 594 /* get per-queue stats */ 595 p = hns3_get_stats_tqps(h, p); 596 597 /* get MAC & other misc hardware stats */ 598 h->ae_algo->ops->get_stats(h, p); 599 } 600 601 static void hns3_get_drvinfo(struct net_device *netdev, 602 struct ethtool_drvinfo *drvinfo) 603 { 604 struct hns3_nic_priv *priv = netdev_priv(netdev); 605 struct hnae3_handle *h = priv->ae_handle; 606 u32 fw_version; 607 608 if (!h->ae_algo->ops->get_fw_version) { 609 netdev_err(netdev, "could not get fw version!\n"); 610 return; 611 } 612 613 strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev), 614 sizeof(drvinfo->driver)); 615 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 616 617 strncpy(drvinfo->bus_info, pci_name(h->pdev), 618 sizeof(drvinfo->bus_info)); 619 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 620 621 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 622 623 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 624 "%lu.%lu.%lu.%lu", 625 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 626 HNAE3_FW_VERSION_BYTE3_SHIFT), 627 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 628 HNAE3_FW_VERSION_BYTE2_SHIFT), 629 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 630 HNAE3_FW_VERSION_BYTE1_SHIFT), 631 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 632 HNAE3_FW_VERSION_BYTE0_SHIFT)); 633 } 634 635 static u32 hns3_get_link(struct net_device *netdev) 636 { 637 struct hnae3_handle *h = hns3_get_handle(netdev); 638 639 if (h->ae_algo->ops->get_status) 640 return h->ae_algo->ops->get_status(h); 641 else 642 return 0; 643 } 644 645 static void hns3_get_ringparam(struct net_device *netdev, 646 struct ethtool_ringparam *param) 647 { 648 struct hns3_nic_priv *priv = netdev_priv(netdev); 649 struct hnae3_handle *h = priv->ae_handle; 650 int queue_num = h->kinfo.num_tqps; 651 652 if (hns3_nic_resetting(netdev)) { 653 netdev_err(netdev, "dev resetting!"); 654 return; 655 } 656 657 param->tx_max_pending = HNS3_RING_MAX_PENDING; 658 param->rx_max_pending = HNS3_RING_MAX_PENDING; 659 660 param->tx_pending = priv->ring[0].desc_num; 661 param->rx_pending = priv->ring[queue_num].desc_num; 662 } 663 664 static void hns3_get_pauseparam(struct net_device *netdev, 665 struct ethtool_pauseparam *param) 666 { 667 struct hnae3_handle *h = hns3_get_handle(netdev); 668 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 669 670 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 671 return; 672 673 if (h->ae_algo->ops->get_pauseparam) 674 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 675 ¶m->rx_pause, ¶m->tx_pause); 676 } 677 678 static int hns3_set_pauseparam(struct net_device *netdev, 679 struct ethtool_pauseparam *param) 680 { 681 struct hnae3_handle *h = hns3_get_handle(netdev); 682 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 683 684 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 685 return -EOPNOTSUPP; 686 687 netif_dbg(h, drv, netdev, 688 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 689 param->autoneg, param->rx_pause, param->tx_pause); 690 691 if (h->ae_algo->ops->set_pauseparam) 692 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 693 param->rx_pause, 694 param->tx_pause); 695 return -EOPNOTSUPP; 696 } 697 698 static void hns3_get_ksettings(struct hnae3_handle *h, 699 struct ethtool_link_ksettings *cmd) 700 { 701 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 702 703 /* 1.auto_neg & speed & duplex from cmd */ 704 if (ops->get_ksettings_an_result) 705 ops->get_ksettings_an_result(h, 706 &cmd->base.autoneg, 707 &cmd->base.speed, 708 &cmd->base.duplex); 709 710 /* 2.get link mode */ 711 if (ops->get_link_mode) 712 ops->get_link_mode(h, 713 cmd->link_modes.supported, 714 cmd->link_modes.advertising); 715 716 /* 3.mdix_ctrl&mdix get from phy reg */ 717 if (ops->get_mdix_mode) 718 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 719 &cmd->base.eth_tp_mdix); 720 } 721 722 static int hns3_get_link_ksettings(struct net_device *netdev, 723 struct ethtool_link_ksettings *cmd) 724 { 725 struct hnae3_handle *h = hns3_get_handle(netdev); 726 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 727 const struct hnae3_ae_ops *ops; 728 u8 module_type; 729 u8 media_type; 730 u8 link_stat; 731 732 ops = h->ae_algo->ops; 733 if (ops->get_media_type) 734 ops->get_media_type(h, &media_type, &module_type); 735 else 736 return -EOPNOTSUPP; 737 738 switch (media_type) { 739 case HNAE3_MEDIA_TYPE_NONE: 740 cmd->base.port = PORT_NONE; 741 hns3_get_ksettings(h, cmd); 742 break; 743 case HNAE3_MEDIA_TYPE_FIBER: 744 if (module_type == HNAE3_MODULE_TYPE_CR) 745 cmd->base.port = PORT_DA; 746 else 747 cmd->base.port = PORT_FIBRE; 748 749 hns3_get_ksettings(h, cmd); 750 break; 751 case HNAE3_MEDIA_TYPE_BACKPLANE: 752 cmd->base.port = PORT_NONE; 753 hns3_get_ksettings(h, cmd); 754 break; 755 case HNAE3_MEDIA_TYPE_COPPER: 756 cmd->base.port = PORT_TP; 757 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 758 ops->get_phy_link_ksettings) 759 ops->get_phy_link_ksettings(h, cmd); 760 else if (!netdev->phydev) 761 hns3_get_ksettings(h, cmd); 762 else 763 phy_ethtool_ksettings_get(netdev->phydev, cmd); 764 break; 765 default: 766 767 netdev_warn(netdev, "Unknown media type"); 768 return 0; 769 } 770 771 /* mdio_support */ 772 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 773 774 link_stat = hns3_get_link(netdev); 775 if (!link_stat) { 776 cmd->base.speed = SPEED_UNKNOWN; 777 cmd->base.duplex = DUPLEX_UNKNOWN; 778 } 779 780 return 0; 781 } 782 783 static int hns3_check_ksettings_param(const struct net_device *netdev, 784 const struct ethtool_link_ksettings *cmd) 785 { 786 struct hnae3_handle *handle = hns3_get_handle(netdev); 787 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 788 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 789 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 790 u8 autoneg; 791 u32 speed; 792 u8 duplex; 793 int ret; 794 795 /* hw doesn't support use specified speed and duplex to negotiate, 796 * unnecessary to check them when autoneg on. 797 */ 798 if (cmd->base.autoneg) 799 return 0; 800 801 if (ops->get_ksettings_an_result) { 802 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 803 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 804 cmd->base.duplex == duplex) 805 return 0; 806 } 807 808 if (ops->get_media_type) 809 ops->get_media_type(handle, &media_type, &module_type); 810 811 if (cmd->base.duplex == DUPLEX_HALF && 812 media_type != HNAE3_MEDIA_TYPE_COPPER) { 813 netdev_err(netdev, 814 "only copper port supports half duplex!"); 815 return -EINVAL; 816 } 817 818 if (ops->check_port_speed) { 819 ret = ops->check_port_speed(handle, cmd->base.speed); 820 if (ret) { 821 netdev_err(netdev, "unsupported speed\n"); 822 return ret; 823 } 824 } 825 826 return 0; 827 } 828 829 static int hns3_set_link_ksettings(struct net_device *netdev, 830 const struct ethtool_link_ksettings *cmd) 831 { 832 struct hnae3_handle *handle = hns3_get_handle(netdev); 833 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 834 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 835 int ret; 836 837 /* Chip don't support this mode. */ 838 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 839 return -EINVAL; 840 841 netif_dbg(handle, drv, netdev, 842 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 843 netdev->phydev ? "phy" : "mac", 844 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 845 846 /* Only support ksettings_set for netdev with phy attached for now */ 847 if (netdev->phydev) { 848 if (cmd->base.speed == SPEED_1000 && 849 cmd->base.autoneg == AUTONEG_DISABLE) 850 return -EINVAL; 851 852 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 853 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 854 ops->set_phy_link_ksettings) { 855 return ops->set_phy_link_ksettings(handle, cmd); 856 } 857 858 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 859 return -EOPNOTSUPP; 860 861 ret = hns3_check_ksettings_param(netdev, cmd); 862 if (ret) 863 return ret; 864 865 if (ops->set_autoneg) { 866 ret = ops->set_autoneg(handle, cmd->base.autoneg); 867 if (ret) 868 return ret; 869 } 870 871 /* hw doesn't support use specified speed and duplex to negotiate, 872 * ignore them when autoneg on. 873 */ 874 if (cmd->base.autoneg) { 875 netdev_info(netdev, 876 "autoneg is on, ignore the speed and duplex\n"); 877 return 0; 878 } 879 880 if (ops->cfg_mac_speed_dup_h) 881 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 882 cmd->base.duplex); 883 884 return ret; 885 } 886 887 static u32 hns3_get_rss_key_size(struct net_device *netdev) 888 { 889 struct hnae3_handle *h = hns3_get_handle(netdev); 890 891 if (!h->ae_algo->ops->get_rss_key_size) 892 return 0; 893 894 return h->ae_algo->ops->get_rss_key_size(h); 895 } 896 897 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 898 { 899 struct hnae3_handle *h = hns3_get_handle(netdev); 900 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 901 902 return ae_dev->dev_specs.rss_ind_tbl_size; 903 } 904 905 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 906 u8 *hfunc) 907 { 908 struct hnae3_handle *h = hns3_get_handle(netdev); 909 910 if (!h->ae_algo->ops->get_rss) 911 return -EOPNOTSUPP; 912 913 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 914 } 915 916 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 917 const u8 *key, const u8 hfunc) 918 { 919 struct hnae3_handle *h = hns3_get_handle(netdev); 920 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 921 922 if (!h->ae_algo->ops->set_rss) 923 return -EOPNOTSUPP; 924 925 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 926 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 927 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 928 netdev_err(netdev, "hash func not supported\n"); 929 return -EOPNOTSUPP; 930 } 931 932 if (!indir) { 933 netdev_err(netdev, 934 "set rss failed for indir is empty\n"); 935 return -EOPNOTSUPP; 936 } 937 938 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 939 } 940 941 static int hns3_get_rxnfc(struct net_device *netdev, 942 struct ethtool_rxnfc *cmd, 943 u32 *rule_locs) 944 { 945 struct hnae3_handle *h = hns3_get_handle(netdev); 946 947 switch (cmd->cmd) { 948 case ETHTOOL_GRXRINGS: 949 cmd->data = h->kinfo.num_tqps; 950 return 0; 951 case ETHTOOL_GRXFH: 952 if (h->ae_algo->ops->get_rss_tuple) 953 return h->ae_algo->ops->get_rss_tuple(h, cmd); 954 return -EOPNOTSUPP; 955 case ETHTOOL_GRXCLSRLCNT: 956 if (h->ae_algo->ops->get_fd_rule_cnt) 957 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 958 return -EOPNOTSUPP; 959 case ETHTOOL_GRXCLSRULE: 960 if (h->ae_algo->ops->get_fd_rule_info) 961 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 962 return -EOPNOTSUPP; 963 case ETHTOOL_GRXCLSRLALL: 964 if (h->ae_algo->ops->get_fd_all_rules) 965 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 966 rule_locs); 967 return -EOPNOTSUPP; 968 default: 969 return -EOPNOTSUPP; 970 } 971 } 972 973 static const struct hns3_reset_type_map hns3_reset_type[] = { 974 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 975 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 976 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 977 }; 978 979 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 980 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 981 }; 982 983 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 984 { 985 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 986 struct hnae3_handle *h = hns3_get_handle(netdev); 987 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 988 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 989 const struct hns3_reset_type_map *rst_type_map; 990 enum ethtool_reset_flags rst_flags; 991 u32 i, size; 992 993 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 994 return -EBUSY; 995 996 if (!ops->set_default_reset_request || !ops->reset_event) 997 return -EOPNOTSUPP; 998 999 if (h->flags & HNAE3_SUPPORT_VF) { 1000 rst_type_map = hns3vf_reset_type; 1001 size = ARRAY_SIZE(hns3vf_reset_type); 1002 } else { 1003 rst_type_map = hns3_reset_type; 1004 size = ARRAY_SIZE(hns3_reset_type); 1005 } 1006 1007 for (i = 0; i < size; i++) { 1008 if (rst_type_map[i].rst_flags == *flags) { 1009 rst_type = rst_type_map[i].rst_type; 1010 rst_flags = rst_type_map[i].rst_flags; 1011 break; 1012 } 1013 } 1014 1015 if (rst_type == HNAE3_NONE_RESET || 1016 (rst_type == HNAE3_IMP_RESET && 1017 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1018 return -EOPNOTSUPP; 1019 1020 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1021 1022 ops->set_default_reset_request(ae_dev, rst_type); 1023 1024 ops->reset_event(h->pdev, h); 1025 1026 *flags &= ~rst_flags; 1027 1028 return 0; 1029 } 1030 1031 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1032 u32 tx_desc_num, u32 rx_desc_num) 1033 { 1034 struct hnae3_handle *h = priv->ae_handle; 1035 int i; 1036 1037 h->kinfo.num_tx_desc = tx_desc_num; 1038 h->kinfo.num_rx_desc = rx_desc_num; 1039 1040 for (i = 0; i < h->kinfo.num_tqps; i++) { 1041 priv->ring[i].desc_num = tx_desc_num; 1042 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1043 } 1044 } 1045 1046 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1047 { 1048 struct hnae3_handle *handle = priv->ae_handle; 1049 struct hns3_enet_ring *tmp_rings; 1050 int i; 1051 1052 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1053 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1054 if (!tmp_rings) 1055 return NULL; 1056 1057 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1058 memcpy(&tmp_rings[i], &priv->ring[i], 1059 sizeof(struct hns3_enet_ring)); 1060 tmp_rings[i].skb = NULL; 1061 } 1062 1063 return tmp_rings; 1064 } 1065 1066 static int hns3_check_ringparam(struct net_device *ndev, 1067 struct ethtool_ringparam *param) 1068 { 1069 if (hns3_nic_resetting(ndev)) 1070 return -EBUSY; 1071 1072 if (param->rx_mini_pending || param->rx_jumbo_pending) 1073 return -EINVAL; 1074 1075 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1076 param->tx_pending < HNS3_RING_MIN_PENDING || 1077 param->rx_pending > HNS3_RING_MAX_PENDING || 1078 param->rx_pending < HNS3_RING_MIN_PENDING) { 1079 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1080 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1081 return -EINVAL; 1082 } 1083 1084 return 0; 1085 } 1086 1087 static int hns3_set_ringparam(struct net_device *ndev, 1088 struct ethtool_ringparam *param) 1089 { 1090 struct hns3_nic_priv *priv = netdev_priv(ndev); 1091 struct hnae3_handle *h = priv->ae_handle; 1092 struct hns3_enet_ring *tmp_rings; 1093 bool if_running = netif_running(ndev); 1094 u32 old_tx_desc_num, new_tx_desc_num; 1095 u32 old_rx_desc_num, new_rx_desc_num; 1096 u16 queue_num = h->kinfo.num_tqps; 1097 int ret, i; 1098 1099 ret = hns3_check_ringparam(ndev, param); 1100 if (ret) 1101 return ret; 1102 1103 /* Hardware requires that its descriptors must be multiple of eight */ 1104 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 1105 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 1106 old_tx_desc_num = priv->ring[0].desc_num; 1107 old_rx_desc_num = priv->ring[queue_num].desc_num; 1108 if (old_tx_desc_num == new_tx_desc_num && 1109 old_rx_desc_num == new_rx_desc_num) 1110 return 0; 1111 1112 tmp_rings = hns3_backup_ringparam(priv); 1113 if (!tmp_rings) { 1114 netdev_err(ndev, 1115 "backup ring param failed by allocating memory fail\n"); 1116 return -ENOMEM; 1117 } 1118 1119 netdev_info(ndev, 1120 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 1121 old_tx_desc_num, old_rx_desc_num, 1122 new_tx_desc_num, new_rx_desc_num); 1123 1124 if (if_running) 1125 ndev->netdev_ops->ndo_stop(ndev); 1126 1127 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1128 ret = hns3_init_all_ring(priv); 1129 if (ret) { 1130 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1131 ret); 1132 1133 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1134 old_rx_desc_num); 1135 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1136 memcpy(&priv->ring[i], &tmp_rings[i], 1137 sizeof(struct hns3_enet_ring)); 1138 } else { 1139 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1140 hns3_fini_ring(&tmp_rings[i]); 1141 } 1142 1143 kfree(tmp_rings); 1144 1145 if (if_running) 1146 ret = ndev->netdev_ops->ndo_open(ndev); 1147 1148 return ret; 1149 } 1150 1151 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1152 { 1153 struct hnae3_handle *h = hns3_get_handle(netdev); 1154 1155 switch (cmd->cmd) { 1156 case ETHTOOL_SRXFH: 1157 if (h->ae_algo->ops->set_rss_tuple) 1158 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1159 return -EOPNOTSUPP; 1160 case ETHTOOL_SRXCLSRLINS: 1161 if (h->ae_algo->ops->add_fd_entry) 1162 return h->ae_algo->ops->add_fd_entry(h, cmd); 1163 return -EOPNOTSUPP; 1164 case ETHTOOL_SRXCLSRLDEL: 1165 if (h->ae_algo->ops->del_fd_entry) 1166 return h->ae_algo->ops->del_fd_entry(h, cmd); 1167 return -EOPNOTSUPP; 1168 default: 1169 return -EOPNOTSUPP; 1170 } 1171 } 1172 1173 static int hns3_nway_reset(struct net_device *netdev) 1174 { 1175 struct hnae3_handle *handle = hns3_get_handle(netdev); 1176 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1177 struct phy_device *phy = netdev->phydev; 1178 int autoneg; 1179 1180 if (!netif_running(netdev)) 1181 return 0; 1182 1183 if (hns3_nic_resetting(netdev)) { 1184 netdev_err(netdev, "dev resetting!"); 1185 return -EBUSY; 1186 } 1187 1188 if (!ops->get_autoneg || !ops->restart_autoneg) 1189 return -EOPNOTSUPP; 1190 1191 autoneg = ops->get_autoneg(handle); 1192 if (autoneg != AUTONEG_ENABLE) { 1193 netdev_err(netdev, 1194 "Autoneg is off, don't support to restart it\n"); 1195 return -EINVAL; 1196 } 1197 1198 netif_dbg(handle, drv, netdev, 1199 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1200 1201 if (phy) 1202 return genphy_restart_aneg(phy); 1203 1204 return ops->restart_autoneg(handle); 1205 } 1206 1207 static void hns3_get_channels(struct net_device *netdev, 1208 struct ethtool_channels *ch) 1209 { 1210 struct hnae3_handle *h = hns3_get_handle(netdev); 1211 1212 if (h->ae_algo->ops->get_channels) 1213 h->ae_algo->ops->get_channels(h, ch); 1214 } 1215 1216 static int hns3_get_coalesce(struct net_device *netdev, 1217 struct ethtool_coalesce *cmd, 1218 struct kernel_ethtool_coalesce *kernel_coal, 1219 struct netlink_ext_ack *extack) 1220 { 1221 struct hns3_nic_priv *priv = netdev_priv(netdev); 1222 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1223 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1224 struct hnae3_handle *h = priv->ae_handle; 1225 1226 if (hns3_nic_resetting(netdev)) 1227 return -EBUSY; 1228 1229 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1230 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1231 1232 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1233 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1234 1235 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1236 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1237 1238 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1239 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1240 1241 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1242 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1243 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1244 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1245 1246 return 0; 1247 } 1248 1249 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1250 struct ethtool_coalesce *cmd) 1251 { 1252 struct hnae3_handle *handle = hns3_get_handle(netdev); 1253 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1254 u32 rx_gl, tx_gl; 1255 1256 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1257 netdev_err(netdev, 1258 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1259 ae_dev->dev_specs.max_int_gl); 1260 return -EINVAL; 1261 } 1262 1263 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1264 netdev_err(netdev, 1265 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1266 ae_dev->dev_specs.max_int_gl); 1267 return -EINVAL; 1268 } 1269 1270 /* device version above V3(include V3), GL uses 1us unit, 1271 * so the round down is not needed. 1272 */ 1273 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1274 return 0; 1275 1276 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1277 if (rx_gl != cmd->rx_coalesce_usecs) { 1278 netdev_info(netdev, 1279 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1280 cmd->rx_coalesce_usecs, rx_gl); 1281 } 1282 1283 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1284 if (tx_gl != cmd->tx_coalesce_usecs) { 1285 netdev_info(netdev, 1286 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1287 cmd->tx_coalesce_usecs, tx_gl); 1288 } 1289 1290 return 0; 1291 } 1292 1293 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1294 struct ethtool_coalesce *cmd) 1295 { 1296 u32 rl; 1297 1298 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1299 netdev_err(netdev, 1300 "tx_usecs_high must be same as rx_usecs_high.\n"); 1301 return -EINVAL; 1302 } 1303 1304 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1305 netdev_err(netdev, 1306 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1307 HNS3_INT_RL_MAX); 1308 return -EINVAL; 1309 } 1310 1311 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1312 if (rl != cmd->rx_coalesce_usecs_high) { 1313 netdev_info(netdev, 1314 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1315 cmd->rx_coalesce_usecs_high, rl); 1316 } 1317 1318 return 0; 1319 } 1320 1321 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1322 struct ethtool_coalesce *cmd) 1323 { 1324 struct hnae3_handle *handle = hns3_get_handle(netdev); 1325 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1326 1327 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1328 !ae_dev->dev_specs.int_ql_max) { 1329 netdev_err(netdev, "coalesced frames is not supported\n"); 1330 return -EOPNOTSUPP; 1331 } 1332 1333 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1334 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1335 netdev_err(netdev, 1336 "invalid coalesced_frames value, range is 0-%u\n", 1337 ae_dev->dev_specs.int_ql_max); 1338 return -ERANGE; 1339 } 1340 1341 return 0; 1342 } 1343 1344 static int hns3_check_coalesce_para(struct net_device *netdev, 1345 struct ethtool_coalesce *cmd) 1346 { 1347 int ret; 1348 1349 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1350 if (ret) { 1351 netdev_err(netdev, 1352 "Check gl coalesce param fail. ret = %d\n", ret); 1353 return ret; 1354 } 1355 1356 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1357 if (ret) { 1358 netdev_err(netdev, 1359 "Check rl coalesce param fail. ret = %d\n", ret); 1360 return ret; 1361 } 1362 1363 return hns3_check_ql_coalesce_param(netdev, cmd); 1364 } 1365 1366 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1367 struct ethtool_coalesce *cmd, 1368 u32 queue) 1369 { 1370 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1371 struct hns3_nic_priv *priv = netdev_priv(netdev); 1372 struct hnae3_handle *h = priv->ae_handle; 1373 int queue_num = h->kinfo.num_tqps; 1374 1375 tx_vector = priv->ring[queue].tqp_vector; 1376 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1377 1378 tx_vector->tx_group.coal.adapt_enable = 1379 cmd->use_adaptive_tx_coalesce; 1380 rx_vector->rx_group.coal.adapt_enable = 1381 cmd->use_adaptive_rx_coalesce; 1382 1383 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1384 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1385 1386 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1387 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1388 1389 hns3_set_vector_coalesce_tx_gl(tx_vector, 1390 tx_vector->tx_group.coal.int_gl); 1391 hns3_set_vector_coalesce_rx_gl(rx_vector, 1392 rx_vector->rx_group.coal.int_gl); 1393 1394 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1395 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1396 1397 if (tx_vector->tx_group.coal.ql_enable) 1398 hns3_set_vector_coalesce_tx_ql(tx_vector, 1399 tx_vector->tx_group.coal.int_ql); 1400 if (rx_vector->rx_group.coal.ql_enable) 1401 hns3_set_vector_coalesce_rx_ql(rx_vector, 1402 rx_vector->rx_group.coal.int_ql); 1403 } 1404 1405 static int hns3_set_coalesce(struct net_device *netdev, 1406 struct ethtool_coalesce *cmd, 1407 struct kernel_ethtool_coalesce *kernel_coal, 1408 struct netlink_ext_ack *extack) 1409 { 1410 struct hnae3_handle *h = hns3_get_handle(netdev); 1411 struct hns3_nic_priv *priv = netdev_priv(netdev); 1412 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1413 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1414 u16 queue_num = h->kinfo.num_tqps; 1415 enum dim_cq_period_mode tx_mode; 1416 enum dim_cq_period_mode rx_mode; 1417 int ret; 1418 int i; 1419 1420 if (hns3_nic_resetting(netdev)) 1421 return -EBUSY; 1422 1423 ret = hns3_check_coalesce_para(netdev, cmd); 1424 if (ret) 1425 return ret; 1426 1427 h->kinfo.int_rl_setting = 1428 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1429 1430 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1431 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1432 1433 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1434 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1435 1436 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1437 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1438 1439 for (i = 0; i < queue_num; i++) 1440 hns3_set_coalesce_per_queue(netdev, cmd, i); 1441 1442 tx_mode = kernel_coal->use_cqe_mode_tx ? 1443 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1444 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1445 rx_mode = kernel_coal->use_cqe_mode_rx ? 1446 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1447 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1448 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1449 1450 return 0; 1451 } 1452 1453 static int hns3_get_regs_len(struct net_device *netdev) 1454 { 1455 struct hnae3_handle *h = hns3_get_handle(netdev); 1456 1457 if (!h->ae_algo->ops->get_regs_len) 1458 return -EOPNOTSUPP; 1459 1460 return h->ae_algo->ops->get_regs_len(h); 1461 } 1462 1463 static void hns3_get_regs(struct net_device *netdev, 1464 struct ethtool_regs *cmd, void *data) 1465 { 1466 struct hnae3_handle *h = hns3_get_handle(netdev); 1467 1468 if (!h->ae_algo->ops->get_regs) 1469 return; 1470 1471 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1472 } 1473 1474 static int hns3_set_phys_id(struct net_device *netdev, 1475 enum ethtool_phys_id_state state) 1476 { 1477 struct hnae3_handle *h = hns3_get_handle(netdev); 1478 1479 if (!h->ae_algo->ops->set_led_id) 1480 return -EOPNOTSUPP; 1481 1482 return h->ae_algo->ops->set_led_id(h, state); 1483 } 1484 1485 static u32 hns3_get_msglevel(struct net_device *netdev) 1486 { 1487 struct hnae3_handle *h = hns3_get_handle(netdev); 1488 1489 return h->msg_enable; 1490 } 1491 1492 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1493 { 1494 struct hnae3_handle *h = hns3_get_handle(netdev); 1495 1496 h->msg_enable = msg_level; 1497 } 1498 1499 /* Translate local fec value into ethtool value. */ 1500 static unsigned int loc_to_eth_fec(u8 loc_fec) 1501 { 1502 u32 eth_fec = 0; 1503 1504 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1505 eth_fec |= ETHTOOL_FEC_AUTO; 1506 if (loc_fec & BIT(HNAE3_FEC_RS)) 1507 eth_fec |= ETHTOOL_FEC_RS; 1508 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1509 eth_fec |= ETHTOOL_FEC_BASER; 1510 1511 /* if nothing is set, then FEC is off */ 1512 if (!eth_fec) 1513 eth_fec = ETHTOOL_FEC_OFF; 1514 1515 return eth_fec; 1516 } 1517 1518 /* Translate ethtool fec value into local value. */ 1519 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1520 { 1521 u32 loc_fec = 0; 1522 1523 if (eth_fec & ETHTOOL_FEC_OFF) 1524 return loc_fec; 1525 1526 if (eth_fec & ETHTOOL_FEC_AUTO) 1527 loc_fec |= BIT(HNAE3_FEC_AUTO); 1528 if (eth_fec & ETHTOOL_FEC_RS) 1529 loc_fec |= BIT(HNAE3_FEC_RS); 1530 if (eth_fec & ETHTOOL_FEC_BASER) 1531 loc_fec |= BIT(HNAE3_FEC_BASER); 1532 1533 return loc_fec; 1534 } 1535 1536 static int hns3_get_fecparam(struct net_device *netdev, 1537 struct ethtool_fecparam *fec) 1538 { 1539 struct hnae3_handle *handle = hns3_get_handle(netdev); 1540 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1541 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1542 u8 fec_ability; 1543 u8 fec_mode; 1544 1545 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1546 return -EOPNOTSUPP; 1547 1548 if (!ops->get_fec) 1549 return -EOPNOTSUPP; 1550 1551 ops->get_fec(handle, &fec_ability, &fec_mode); 1552 1553 fec->fec = loc_to_eth_fec(fec_ability); 1554 fec->active_fec = loc_to_eth_fec(fec_mode); 1555 1556 return 0; 1557 } 1558 1559 static int hns3_set_fecparam(struct net_device *netdev, 1560 struct ethtool_fecparam *fec) 1561 { 1562 struct hnae3_handle *handle = hns3_get_handle(netdev); 1563 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1564 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1565 u32 fec_mode; 1566 1567 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1568 return -EOPNOTSUPP; 1569 1570 if (!ops->set_fec) 1571 return -EOPNOTSUPP; 1572 fec_mode = eth_to_loc_fec(fec->fec); 1573 1574 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1575 1576 return ops->set_fec(handle, fec_mode); 1577 } 1578 1579 static int hns3_get_module_info(struct net_device *netdev, 1580 struct ethtool_modinfo *modinfo) 1581 { 1582 #define HNS3_SFF_8636_V1_3 0x03 1583 1584 struct hnae3_handle *handle = hns3_get_handle(netdev); 1585 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1586 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1587 struct hns3_sfp_type sfp_type; 1588 int ret; 1589 1590 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1591 !ops->get_module_eeprom) 1592 return -EOPNOTSUPP; 1593 1594 memset(&sfp_type, 0, sizeof(sfp_type)); 1595 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1596 (u8 *)&sfp_type); 1597 if (ret) 1598 return ret; 1599 1600 switch (sfp_type.type) { 1601 case SFF8024_ID_SFP: 1602 modinfo->type = ETH_MODULE_SFF_8472; 1603 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1604 break; 1605 case SFF8024_ID_QSFP_8438: 1606 modinfo->type = ETH_MODULE_SFF_8436; 1607 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1608 break; 1609 case SFF8024_ID_QSFP_8436_8636: 1610 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1611 modinfo->type = ETH_MODULE_SFF_8436; 1612 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1613 } else { 1614 modinfo->type = ETH_MODULE_SFF_8636; 1615 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1616 } 1617 break; 1618 case SFF8024_ID_QSFP28_8636: 1619 modinfo->type = ETH_MODULE_SFF_8636; 1620 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1621 break; 1622 default: 1623 netdev_err(netdev, "Optical module unknown: %#x\n", 1624 sfp_type.type); 1625 return -EINVAL; 1626 } 1627 1628 return 0; 1629 } 1630 1631 static int hns3_get_module_eeprom(struct net_device *netdev, 1632 struct ethtool_eeprom *ee, u8 *data) 1633 { 1634 struct hnae3_handle *handle = hns3_get_handle(netdev); 1635 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1636 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1637 1638 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1639 !ops->get_module_eeprom) 1640 return -EOPNOTSUPP; 1641 1642 if (!ee->len) 1643 return -EINVAL; 1644 1645 memset(data, 0, ee->len); 1646 1647 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1648 } 1649 1650 static u32 hns3_get_priv_flags(struct net_device *netdev) 1651 { 1652 struct hnae3_handle *handle = hns3_get_handle(netdev); 1653 1654 return handle->priv_flags; 1655 } 1656 1657 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1658 { 1659 u32 i; 1660 1661 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1662 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1663 netdev_err(h->netdev, "%s is unsupported\n", 1664 hns3_priv_flags[i].name); 1665 return -EOPNOTSUPP; 1666 } 1667 1668 return 0; 1669 } 1670 1671 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1672 { 1673 struct hnae3_handle *handle = hns3_get_handle(netdev); 1674 u32 changed = pflags ^ handle->priv_flags; 1675 int ret; 1676 u32 i; 1677 1678 ret = hns3_check_priv_flags(handle, changed); 1679 if (ret) 1680 return ret; 1681 1682 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1683 if (changed & BIT(i)) { 1684 bool enable = !(handle->priv_flags & BIT(i)); 1685 1686 if (enable) 1687 handle->priv_flags |= BIT(i); 1688 else 1689 handle->priv_flags &= ~BIT(i); 1690 hns3_priv_flags[i].handler(netdev, enable); 1691 } 1692 } 1693 1694 return 0; 1695 } 1696 1697 static int hns3_get_tunable(struct net_device *netdev, 1698 const struct ethtool_tunable *tuna, 1699 void *data) 1700 { 1701 struct hns3_nic_priv *priv = netdev_priv(netdev); 1702 int ret = 0; 1703 1704 switch (tuna->id) { 1705 case ETHTOOL_TX_COPYBREAK: 1706 /* all the tx rings have the same tx_copybreak */ 1707 *(u32 *)data = priv->tx_copybreak; 1708 break; 1709 case ETHTOOL_RX_COPYBREAK: 1710 *(u32 *)data = priv->rx_copybreak; 1711 break; 1712 default: 1713 ret = -EOPNOTSUPP; 1714 break; 1715 } 1716 1717 return ret; 1718 } 1719 1720 static int hns3_set_tunable(struct net_device *netdev, 1721 const struct ethtool_tunable *tuna, 1722 const void *data) 1723 { 1724 struct hns3_nic_priv *priv = netdev_priv(netdev); 1725 struct hnae3_handle *h = priv->ae_handle; 1726 int i, ret = 0; 1727 1728 switch (tuna->id) { 1729 case ETHTOOL_TX_COPYBREAK: 1730 priv->tx_copybreak = *(u32 *)data; 1731 1732 for (i = 0; i < h->kinfo.num_tqps; i++) 1733 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1734 1735 break; 1736 case ETHTOOL_RX_COPYBREAK: 1737 priv->rx_copybreak = *(u32 *)data; 1738 1739 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1740 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1741 1742 break; 1743 default: 1744 ret = -EOPNOTSUPP; 1745 break; 1746 } 1747 1748 return ret; 1749 } 1750 1751 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1752 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1753 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1754 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1755 ETHTOOL_COALESCE_MAX_FRAMES | \ 1756 ETHTOOL_COALESCE_USE_CQE) 1757 1758 static int hns3_get_ts_info(struct net_device *netdev, 1759 struct ethtool_ts_info *info) 1760 { 1761 struct hnae3_handle *handle = hns3_get_handle(netdev); 1762 1763 if (handle->ae_algo->ops->get_ts_info) 1764 return handle->ae_algo->ops->get_ts_info(handle, info); 1765 1766 return ethtool_op_get_ts_info(netdev, info); 1767 } 1768 1769 static const struct hns3_ethtool_link_ext_state_mapping 1770 hns3_link_ext_state_map[] = { 1771 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1772 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 1773 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1774 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 1775 1776 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1777 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 1778 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1779 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 1780 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1781 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 1782 1783 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1784 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 1785 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1786 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 1787 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1788 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 1789 1790 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1791 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 1792 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1793 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 1794 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1795 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 1796 1797 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 1798 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 1799 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 1800 1801 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 1802 }; 1803 1804 static int hns3_get_link_ext_state(struct net_device *netdev, 1805 struct ethtool_link_ext_state_info *info) 1806 { 1807 const struct hns3_ethtool_link_ext_state_mapping *map; 1808 struct hnae3_handle *h = hns3_get_handle(netdev); 1809 u32 status_code, i; 1810 int ret; 1811 1812 if (netif_carrier_ok(netdev)) 1813 return -ENODATA; 1814 1815 if (!h->ae_algo->ops->get_link_diagnosis_info) 1816 return -EOPNOTSUPP; 1817 1818 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 1819 if (ret) 1820 return ret; 1821 1822 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 1823 map = &hns3_link_ext_state_map[i]; 1824 if (map->status_code == status_code) { 1825 info->link_ext_state = map->link_ext_state; 1826 info->__link_ext_substate = map->link_ext_substate; 1827 return 0; 1828 } 1829 } 1830 1831 return -ENODATA; 1832 } 1833 1834 static const struct ethtool_ops hns3vf_ethtool_ops = { 1835 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1836 .get_drvinfo = hns3_get_drvinfo, 1837 .get_ringparam = hns3_get_ringparam, 1838 .set_ringparam = hns3_set_ringparam, 1839 .get_strings = hns3_get_strings, 1840 .get_ethtool_stats = hns3_get_stats, 1841 .get_sset_count = hns3_get_sset_count, 1842 .get_rxnfc = hns3_get_rxnfc, 1843 .set_rxnfc = hns3_set_rxnfc, 1844 .get_rxfh_key_size = hns3_get_rss_key_size, 1845 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1846 .get_rxfh = hns3_get_rss, 1847 .set_rxfh = hns3_set_rss, 1848 .get_link_ksettings = hns3_get_link_ksettings, 1849 .get_channels = hns3_get_channels, 1850 .set_channels = hns3_set_channels, 1851 .get_coalesce = hns3_get_coalesce, 1852 .set_coalesce = hns3_set_coalesce, 1853 .get_regs_len = hns3_get_regs_len, 1854 .get_regs = hns3_get_regs, 1855 .get_link = hns3_get_link, 1856 .get_msglevel = hns3_get_msglevel, 1857 .set_msglevel = hns3_set_msglevel, 1858 .get_priv_flags = hns3_get_priv_flags, 1859 .set_priv_flags = hns3_set_priv_flags, 1860 .get_tunable = hns3_get_tunable, 1861 .set_tunable = hns3_set_tunable, 1862 .reset = hns3_set_reset, 1863 }; 1864 1865 static const struct ethtool_ops hns3_ethtool_ops = { 1866 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1867 .self_test = hns3_self_test, 1868 .get_drvinfo = hns3_get_drvinfo, 1869 .get_link = hns3_get_link, 1870 .get_ringparam = hns3_get_ringparam, 1871 .set_ringparam = hns3_set_ringparam, 1872 .get_pauseparam = hns3_get_pauseparam, 1873 .set_pauseparam = hns3_set_pauseparam, 1874 .get_strings = hns3_get_strings, 1875 .get_ethtool_stats = hns3_get_stats, 1876 .get_sset_count = hns3_get_sset_count, 1877 .get_rxnfc = hns3_get_rxnfc, 1878 .set_rxnfc = hns3_set_rxnfc, 1879 .get_rxfh_key_size = hns3_get_rss_key_size, 1880 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1881 .get_rxfh = hns3_get_rss, 1882 .set_rxfh = hns3_set_rss, 1883 .get_link_ksettings = hns3_get_link_ksettings, 1884 .set_link_ksettings = hns3_set_link_ksettings, 1885 .nway_reset = hns3_nway_reset, 1886 .get_channels = hns3_get_channels, 1887 .set_channels = hns3_set_channels, 1888 .get_coalesce = hns3_get_coalesce, 1889 .set_coalesce = hns3_set_coalesce, 1890 .get_regs_len = hns3_get_regs_len, 1891 .get_regs = hns3_get_regs, 1892 .set_phys_id = hns3_set_phys_id, 1893 .get_msglevel = hns3_get_msglevel, 1894 .set_msglevel = hns3_set_msglevel, 1895 .get_fecparam = hns3_get_fecparam, 1896 .set_fecparam = hns3_set_fecparam, 1897 .get_module_info = hns3_get_module_info, 1898 .get_module_eeprom = hns3_get_module_eeprom, 1899 .get_priv_flags = hns3_get_priv_flags, 1900 .set_priv_flags = hns3_set_priv_flags, 1901 .get_ts_info = hns3_get_ts_info, 1902 .get_tunable = hns3_get_tunable, 1903 .set_tunable = hns3_set_tunable, 1904 .reset = hns3_set_reset, 1905 .get_link_ext_state = hns3_get_link_ext_state, 1906 }; 1907 1908 void hns3_ethtool_set_ops(struct net_device *netdev) 1909 { 1910 struct hnae3_handle *h = hns3_get_handle(netdev); 1911 1912 if (h->flags & HNAE3_SUPPORT_VF) 1913 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1914 else 1915 netdev->ethtool_ops = &hns3_ethtool_ops; 1916 } 1917