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 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 246 { 247 struct hns3_nic_priv *priv = netdev_priv(ndev); 248 struct sk_buff *skb; 249 u32 i, good_cnt; 250 int ret_val = 0; 251 252 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 253 GFP_KERNEL); 254 if (!skb) 255 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 256 257 skb->dev = ndev; 258 hns3_lp_setup_skb(skb); 259 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 260 261 good_cnt = 0; 262 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 263 netdev_tx_t tx_ret; 264 265 skb_get(skb); 266 tx_ret = hns3_nic_net_xmit(skb, ndev); 267 if (tx_ret == NETDEV_TX_OK) { 268 good_cnt++; 269 } else { 270 kfree_skb(skb); 271 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 272 tx_ret); 273 } 274 } 275 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 276 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 277 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 278 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 279 goto out; 280 } 281 282 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 283 msleep(200); 284 285 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 286 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 287 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 288 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 289 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 290 } 291 292 out: 293 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 294 HNS3_NIC_LB_TEST_RING_ID, 295 HNS3_NIC_LB_TEST_PKT_NUM); 296 297 kfree_skb(skb); 298 return ret_val; 299 } 300 301 static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2]) 302 { 303 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 304 st_param[HNAE3_LOOP_APP][1] = 305 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 306 307 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 308 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 309 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 310 311 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 312 HNAE3_LOOP_PARALLEL_SERDES; 313 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 314 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 315 316 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 317 st_param[HNAE3_LOOP_PHY][1] = 318 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 319 } 320 321 static void hns3_selftest_prepare(struct net_device *ndev, 322 bool if_running, int (*st_param)[2]) 323 { 324 struct hns3_nic_priv *priv = netdev_priv(ndev); 325 struct hnae3_handle *h = priv->ae_handle; 326 327 if (netif_msg_ifdown(h)) 328 netdev_info(ndev, "self test start\n"); 329 330 hns3_set_selftest_param(h, st_param); 331 332 if (if_running) 333 ndev->netdev_ops->ndo_stop(ndev); 334 335 #if IS_ENABLED(CONFIG_VLAN_8021Q) 336 /* Disable the vlan filter for selftest does not support it */ 337 if (h->ae_algo->ops->enable_vlan_filter) 338 h->ae_algo->ops->enable_vlan_filter(h, false); 339 #endif 340 341 /* Tell firmware to stop mac autoneg before loopback test start, 342 * otherwise loopback test may be failed when the port is still 343 * negotiating. 344 */ 345 if (h->ae_algo->ops->halt_autoneg) 346 h->ae_algo->ops->halt_autoneg(h, true); 347 348 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 349 } 350 351 static void hns3_selftest_restore(struct net_device *ndev, bool if_running) 352 { 353 struct hns3_nic_priv *priv = netdev_priv(ndev); 354 struct hnae3_handle *h = priv->ae_handle; 355 356 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 357 358 if (h->ae_algo->ops->halt_autoneg) 359 h->ae_algo->ops->halt_autoneg(h, false); 360 361 #if IS_ENABLED(CONFIG_VLAN_8021Q) 362 if (h->ae_algo->ops->enable_vlan_filter) 363 h->ae_algo->ops->enable_vlan_filter(h, true); 364 #endif 365 366 if (if_running) 367 ndev->netdev_ops->ndo_open(ndev); 368 369 if (netif_msg_ifdown(h)) 370 netdev_info(ndev, "self test end\n"); 371 } 372 373 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2], 374 struct ethtool_test *eth_test, u64 *data) 375 { 376 int test_index = 0; 377 u32 i; 378 379 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 380 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 381 382 if (!st_param[i][1]) 383 continue; 384 385 data[test_index] = hns3_lp_up(ndev, loop_type); 386 if (!data[test_index]) 387 data[test_index] = hns3_lp_run_test(ndev, loop_type); 388 389 hns3_lp_down(ndev, loop_type); 390 391 if (data[test_index]) 392 eth_test->flags |= ETH_TEST_FL_FAILED; 393 394 test_index++; 395 } 396 } 397 398 /** 399 * hns3_nic_self_test - self test 400 * @ndev: net device 401 * @eth_test: test cmd 402 * @data: test result 403 */ 404 static void hns3_self_test(struct net_device *ndev, 405 struct ethtool_test *eth_test, u64 *data) 406 { 407 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 408 bool if_running = netif_running(ndev); 409 410 if (hns3_nic_resetting(ndev)) { 411 netdev_err(ndev, "dev resetting!"); 412 return; 413 } 414 415 /* Only do offline selftest, or pass by default */ 416 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 417 return; 418 419 hns3_selftest_prepare(ndev, if_running, st_param); 420 hns3_do_selftest(ndev, st_param, eth_test, data); 421 hns3_selftest_restore(ndev, if_running); 422 } 423 424 static void hns3_update_limit_promisc_mode(struct net_device *netdev, 425 bool enable) 426 { 427 struct hnae3_handle *handle = hns3_get_handle(netdev); 428 429 if (enable) 430 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 431 else 432 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 433 434 hns3_request_update_promisc_mode(handle); 435 } 436 437 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 438 { "limit_promisc", hns3_update_limit_promisc_mode } 439 }; 440 441 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 442 { 443 struct hnae3_handle *h = hns3_get_handle(netdev); 444 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 445 446 if (!ops->get_sset_count) 447 return -EOPNOTSUPP; 448 449 switch (stringset) { 450 case ETH_SS_STATS: 451 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 452 ops->get_sset_count(h, stringset)); 453 454 case ETH_SS_TEST: 455 return ops->get_sset_count(h, stringset); 456 457 case ETH_SS_PRIV_FLAGS: 458 return HNAE3_PFLAG_MAX; 459 460 default: 461 return -EOPNOTSUPP; 462 } 463 } 464 465 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 466 u32 stat_count, u32 num_tqps, const char *prefix) 467 { 468 #define MAX_PREFIX_SIZE (6 + 4) 469 u32 size_left; 470 u32 i, j; 471 u32 n1; 472 473 for (i = 0; i < num_tqps; i++) { 474 for (j = 0; j < stat_count; j++) { 475 data[ETH_GSTRING_LEN - 1] = '\0'; 476 477 /* first, prepend the prefix string */ 478 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_", 479 prefix, i); 480 size_left = (ETH_GSTRING_LEN - 1) - n1; 481 482 /* now, concatenate the stats string to it */ 483 strncat(data, stats[j].stats_string, size_left); 484 data += ETH_GSTRING_LEN; 485 } 486 } 487 488 return data; 489 } 490 491 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 492 { 493 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 494 const char tx_prefix[] = "txq"; 495 const char rx_prefix[] = "rxq"; 496 497 /* get strings for Tx */ 498 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 499 kinfo->num_tqps, tx_prefix); 500 501 /* get strings for Rx */ 502 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 503 kinfo->num_tqps, rx_prefix); 504 505 return data; 506 } 507 508 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 509 { 510 struct hnae3_handle *h = hns3_get_handle(netdev); 511 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 512 char *buff = (char *)data; 513 int i; 514 515 if (!ops->get_strings) 516 return; 517 518 switch (stringset) { 519 case ETH_SS_STATS: 520 buff = hns3_get_strings_tqps(h, buff); 521 ops->get_strings(h, stringset, (u8 *)buff); 522 break; 523 case ETH_SS_TEST: 524 ops->get_strings(h, stringset, data); 525 break; 526 case ETH_SS_PRIV_FLAGS: 527 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { 528 snprintf(buff, ETH_GSTRING_LEN, "%s", 529 hns3_priv_flags[i].name); 530 buff += ETH_GSTRING_LEN; 531 } 532 break; 533 default: 534 break; 535 } 536 } 537 538 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 539 { 540 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 541 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 542 struct hns3_enet_ring *ring; 543 u8 *stat; 544 int i, j; 545 546 /* get stats for Tx */ 547 for (i = 0; i < kinfo->num_tqps; i++) { 548 ring = &nic_priv->ring[i]; 549 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 550 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 551 *data++ = *(u64 *)stat; 552 } 553 } 554 555 /* get stats for Rx */ 556 for (i = 0; i < kinfo->num_tqps; i++) { 557 ring = &nic_priv->ring[i + kinfo->num_tqps]; 558 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 559 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 560 *data++ = *(u64 *)stat; 561 } 562 } 563 564 return data; 565 } 566 567 /* hns3_get_stats - get detail statistics. 568 * @netdev: net device 569 * @stats: statistics info. 570 * @data: statistics data. 571 */ 572 static void hns3_get_stats(struct net_device *netdev, 573 struct ethtool_stats *stats, u64 *data) 574 { 575 struct hnae3_handle *h = hns3_get_handle(netdev); 576 u64 *p = data; 577 578 if (hns3_nic_resetting(netdev)) { 579 netdev_err(netdev, "dev resetting, could not get stats\n"); 580 return; 581 } 582 583 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 584 netdev_err(netdev, "could not get any statistics\n"); 585 return; 586 } 587 588 h->ae_algo->ops->update_stats(h, &netdev->stats); 589 590 /* get per-queue stats */ 591 p = hns3_get_stats_tqps(h, p); 592 593 /* get MAC & other misc hardware stats */ 594 h->ae_algo->ops->get_stats(h, p); 595 } 596 597 static void hns3_get_drvinfo(struct net_device *netdev, 598 struct ethtool_drvinfo *drvinfo) 599 { 600 struct hns3_nic_priv *priv = netdev_priv(netdev); 601 struct hnae3_handle *h = priv->ae_handle; 602 u32 fw_version; 603 604 if (!h->ae_algo->ops->get_fw_version) { 605 netdev_err(netdev, "could not get fw version!\n"); 606 return; 607 } 608 609 strncpy(drvinfo->driver, h->pdev->driver->name, 610 sizeof(drvinfo->driver)); 611 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 612 613 strncpy(drvinfo->bus_info, pci_name(h->pdev), 614 sizeof(drvinfo->bus_info)); 615 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 616 617 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 618 619 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 620 "%lu.%lu.%lu.%lu", 621 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 622 HNAE3_FW_VERSION_BYTE3_SHIFT), 623 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 624 HNAE3_FW_VERSION_BYTE2_SHIFT), 625 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 626 HNAE3_FW_VERSION_BYTE1_SHIFT), 627 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 628 HNAE3_FW_VERSION_BYTE0_SHIFT)); 629 } 630 631 static u32 hns3_get_link(struct net_device *netdev) 632 { 633 struct hnae3_handle *h = hns3_get_handle(netdev); 634 635 if (h->ae_algo->ops->get_status) 636 return h->ae_algo->ops->get_status(h); 637 else 638 return 0; 639 } 640 641 static void hns3_get_ringparam(struct net_device *netdev, 642 struct ethtool_ringparam *param) 643 { 644 struct hns3_nic_priv *priv = netdev_priv(netdev); 645 struct hnae3_handle *h = priv->ae_handle; 646 int queue_num = h->kinfo.num_tqps; 647 648 if (hns3_nic_resetting(netdev)) { 649 netdev_err(netdev, "dev resetting!"); 650 return; 651 } 652 653 param->tx_max_pending = HNS3_RING_MAX_PENDING; 654 param->rx_max_pending = HNS3_RING_MAX_PENDING; 655 656 param->tx_pending = priv->ring[0].desc_num; 657 param->rx_pending = priv->ring[queue_num].desc_num; 658 } 659 660 static void hns3_get_pauseparam(struct net_device *netdev, 661 struct ethtool_pauseparam *param) 662 { 663 struct hnae3_handle *h = hns3_get_handle(netdev); 664 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 665 666 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 667 return; 668 669 if (h->ae_algo->ops->get_pauseparam) 670 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 671 ¶m->rx_pause, ¶m->tx_pause); 672 } 673 674 static int hns3_set_pauseparam(struct net_device *netdev, 675 struct ethtool_pauseparam *param) 676 { 677 struct hnae3_handle *h = hns3_get_handle(netdev); 678 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 679 680 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 681 return -EOPNOTSUPP; 682 683 netif_dbg(h, drv, netdev, 684 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 685 param->autoneg, param->rx_pause, param->tx_pause); 686 687 if (h->ae_algo->ops->set_pauseparam) 688 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 689 param->rx_pause, 690 param->tx_pause); 691 return -EOPNOTSUPP; 692 } 693 694 static void hns3_get_ksettings(struct hnae3_handle *h, 695 struct ethtool_link_ksettings *cmd) 696 { 697 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 698 699 /* 1.auto_neg & speed & duplex from cmd */ 700 if (ops->get_ksettings_an_result) 701 ops->get_ksettings_an_result(h, 702 &cmd->base.autoneg, 703 &cmd->base.speed, 704 &cmd->base.duplex); 705 706 /* 2.get link mode */ 707 if (ops->get_link_mode) 708 ops->get_link_mode(h, 709 cmd->link_modes.supported, 710 cmd->link_modes.advertising); 711 712 /* 3.mdix_ctrl&mdix get from phy reg */ 713 if (ops->get_mdix_mode) 714 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 715 &cmd->base.eth_tp_mdix); 716 } 717 718 static int hns3_get_link_ksettings(struct net_device *netdev, 719 struct ethtool_link_ksettings *cmd) 720 { 721 struct hnae3_handle *h = hns3_get_handle(netdev); 722 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 723 const struct hnae3_ae_ops *ops; 724 u8 module_type; 725 u8 media_type; 726 u8 link_stat; 727 728 ops = h->ae_algo->ops; 729 if (ops->get_media_type) 730 ops->get_media_type(h, &media_type, &module_type); 731 else 732 return -EOPNOTSUPP; 733 734 switch (media_type) { 735 case HNAE3_MEDIA_TYPE_NONE: 736 cmd->base.port = PORT_NONE; 737 hns3_get_ksettings(h, cmd); 738 break; 739 case HNAE3_MEDIA_TYPE_FIBER: 740 if (module_type == HNAE3_MODULE_TYPE_CR) 741 cmd->base.port = PORT_DA; 742 else 743 cmd->base.port = PORT_FIBRE; 744 745 hns3_get_ksettings(h, cmd); 746 break; 747 case HNAE3_MEDIA_TYPE_BACKPLANE: 748 cmd->base.port = PORT_NONE; 749 hns3_get_ksettings(h, cmd); 750 break; 751 case HNAE3_MEDIA_TYPE_COPPER: 752 cmd->base.port = PORT_TP; 753 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 754 ops->get_phy_link_ksettings) 755 ops->get_phy_link_ksettings(h, cmd); 756 else if (!netdev->phydev) 757 hns3_get_ksettings(h, cmd); 758 else 759 phy_ethtool_ksettings_get(netdev->phydev, cmd); 760 break; 761 default: 762 763 netdev_warn(netdev, "Unknown media type"); 764 return 0; 765 } 766 767 /* mdio_support */ 768 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 769 770 link_stat = hns3_get_link(netdev); 771 if (!link_stat) { 772 cmd->base.speed = SPEED_UNKNOWN; 773 cmd->base.duplex = DUPLEX_UNKNOWN; 774 } 775 776 return 0; 777 } 778 779 static int hns3_check_ksettings_param(const struct net_device *netdev, 780 const struct ethtool_link_ksettings *cmd) 781 { 782 struct hnae3_handle *handle = hns3_get_handle(netdev); 783 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 784 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 785 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 786 u8 autoneg; 787 u32 speed; 788 u8 duplex; 789 int ret; 790 791 /* hw doesn't support use specified speed and duplex to negotiate, 792 * unnecessary to check them when autoneg on. 793 */ 794 if (cmd->base.autoneg) 795 return 0; 796 797 if (ops->get_ksettings_an_result) { 798 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 799 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 800 cmd->base.duplex == duplex) 801 return 0; 802 } 803 804 if (ops->get_media_type) 805 ops->get_media_type(handle, &media_type, &module_type); 806 807 if (cmd->base.duplex == DUPLEX_HALF && 808 media_type != HNAE3_MEDIA_TYPE_COPPER) { 809 netdev_err(netdev, 810 "only copper port supports half duplex!"); 811 return -EINVAL; 812 } 813 814 if (ops->check_port_speed) { 815 ret = ops->check_port_speed(handle, cmd->base.speed); 816 if (ret) { 817 netdev_err(netdev, "unsupported speed\n"); 818 return ret; 819 } 820 } 821 822 return 0; 823 } 824 825 static int hns3_set_link_ksettings(struct net_device *netdev, 826 const struct ethtool_link_ksettings *cmd) 827 { 828 struct hnae3_handle *handle = hns3_get_handle(netdev); 829 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 830 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 831 int ret; 832 833 /* Chip don't support this mode. */ 834 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 835 return -EINVAL; 836 837 netif_dbg(handle, drv, netdev, 838 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 839 netdev->phydev ? "phy" : "mac", 840 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 841 842 /* Only support ksettings_set for netdev with phy attached for now */ 843 if (netdev->phydev) { 844 if (cmd->base.speed == SPEED_1000 && 845 cmd->base.autoneg == AUTONEG_DISABLE) 846 return -EINVAL; 847 848 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 849 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 850 ops->set_phy_link_ksettings) { 851 return ops->set_phy_link_ksettings(handle, cmd); 852 } 853 854 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 855 return -EOPNOTSUPP; 856 857 ret = hns3_check_ksettings_param(netdev, cmd); 858 if (ret) 859 return ret; 860 861 if (ops->set_autoneg) { 862 ret = ops->set_autoneg(handle, cmd->base.autoneg); 863 if (ret) 864 return ret; 865 } 866 867 /* hw doesn't support use specified speed and duplex to negotiate, 868 * ignore them when autoneg on. 869 */ 870 if (cmd->base.autoneg) { 871 netdev_info(netdev, 872 "autoneg is on, ignore the speed and duplex\n"); 873 return 0; 874 } 875 876 if (ops->cfg_mac_speed_dup_h) 877 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 878 cmd->base.duplex); 879 880 return ret; 881 } 882 883 static u32 hns3_get_rss_key_size(struct net_device *netdev) 884 { 885 struct hnae3_handle *h = hns3_get_handle(netdev); 886 887 if (!h->ae_algo->ops->get_rss_key_size) 888 return 0; 889 890 return h->ae_algo->ops->get_rss_key_size(h); 891 } 892 893 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 894 { 895 struct hnae3_handle *h = hns3_get_handle(netdev); 896 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 897 898 return ae_dev->dev_specs.rss_ind_tbl_size; 899 } 900 901 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 902 u8 *hfunc) 903 { 904 struct hnae3_handle *h = hns3_get_handle(netdev); 905 906 if (!h->ae_algo->ops->get_rss) 907 return -EOPNOTSUPP; 908 909 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 910 } 911 912 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 913 const u8 *key, const u8 hfunc) 914 { 915 struct hnae3_handle *h = hns3_get_handle(netdev); 916 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 917 918 if (!h->ae_algo->ops->set_rss) 919 return -EOPNOTSUPP; 920 921 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 922 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 923 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 924 netdev_err(netdev, "hash func not supported\n"); 925 return -EOPNOTSUPP; 926 } 927 928 if (!indir) { 929 netdev_err(netdev, 930 "set rss failed for indir is empty\n"); 931 return -EOPNOTSUPP; 932 } 933 934 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 935 } 936 937 static int hns3_get_rxnfc(struct net_device *netdev, 938 struct ethtool_rxnfc *cmd, 939 u32 *rule_locs) 940 { 941 struct hnae3_handle *h = hns3_get_handle(netdev); 942 943 switch (cmd->cmd) { 944 case ETHTOOL_GRXRINGS: 945 cmd->data = h->kinfo.num_tqps; 946 return 0; 947 case ETHTOOL_GRXFH: 948 if (h->ae_algo->ops->get_rss_tuple) 949 return h->ae_algo->ops->get_rss_tuple(h, cmd); 950 return -EOPNOTSUPP; 951 case ETHTOOL_GRXCLSRLCNT: 952 if (h->ae_algo->ops->get_fd_rule_cnt) 953 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 954 return -EOPNOTSUPP; 955 case ETHTOOL_GRXCLSRULE: 956 if (h->ae_algo->ops->get_fd_rule_info) 957 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 958 return -EOPNOTSUPP; 959 case ETHTOOL_GRXCLSRLALL: 960 if (h->ae_algo->ops->get_fd_all_rules) 961 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 962 rule_locs); 963 return -EOPNOTSUPP; 964 default: 965 return -EOPNOTSUPP; 966 } 967 } 968 969 static const struct hns3_reset_type_map hns3_reset_type[] = { 970 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 971 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 972 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 973 }; 974 975 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 976 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 977 }; 978 979 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 980 { 981 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 982 struct hnae3_handle *h = hns3_get_handle(netdev); 983 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 984 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 985 const struct hns3_reset_type_map *rst_type_map; 986 u32 i, size; 987 988 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 989 return -EBUSY; 990 991 if (!ops->set_default_reset_request || !ops->reset_event) 992 return -EOPNOTSUPP; 993 994 if (h->flags & HNAE3_SUPPORT_VF) { 995 rst_type_map = hns3vf_reset_type; 996 size = ARRAY_SIZE(hns3vf_reset_type); 997 } else { 998 rst_type_map = hns3_reset_type; 999 size = ARRAY_SIZE(hns3_reset_type); 1000 } 1001 1002 for (i = 0; i < size; i++) { 1003 if (rst_type_map[i].rst_flags == *flags) { 1004 rst_type = rst_type_map[i].rst_type; 1005 break; 1006 } 1007 } 1008 1009 if (rst_type == HNAE3_NONE_RESET || 1010 (rst_type == HNAE3_IMP_RESET && 1011 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1012 return -EOPNOTSUPP; 1013 1014 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1015 1016 ops->set_default_reset_request(ae_dev, rst_type); 1017 1018 ops->reset_event(h->pdev, h); 1019 1020 return 0; 1021 } 1022 1023 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1024 u32 tx_desc_num, u32 rx_desc_num) 1025 { 1026 struct hnae3_handle *h = priv->ae_handle; 1027 int i; 1028 1029 h->kinfo.num_tx_desc = tx_desc_num; 1030 h->kinfo.num_rx_desc = rx_desc_num; 1031 1032 for (i = 0; i < h->kinfo.num_tqps; i++) { 1033 priv->ring[i].desc_num = tx_desc_num; 1034 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1035 } 1036 } 1037 1038 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1039 { 1040 struct hnae3_handle *handle = priv->ae_handle; 1041 struct hns3_enet_ring *tmp_rings; 1042 int i; 1043 1044 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1045 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1046 if (!tmp_rings) 1047 return NULL; 1048 1049 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1050 memcpy(&tmp_rings[i], &priv->ring[i], 1051 sizeof(struct hns3_enet_ring)); 1052 tmp_rings[i].skb = NULL; 1053 } 1054 1055 return tmp_rings; 1056 } 1057 1058 static int hns3_check_ringparam(struct net_device *ndev, 1059 struct ethtool_ringparam *param) 1060 { 1061 if (hns3_nic_resetting(ndev)) 1062 return -EBUSY; 1063 1064 if (param->rx_mini_pending || param->rx_jumbo_pending) 1065 return -EINVAL; 1066 1067 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1068 param->tx_pending < HNS3_RING_MIN_PENDING || 1069 param->rx_pending > HNS3_RING_MAX_PENDING || 1070 param->rx_pending < HNS3_RING_MIN_PENDING) { 1071 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1072 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1073 return -EINVAL; 1074 } 1075 1076 return 0; 1077 } 1078 1079 static int hns3_set_ringparam(struct net_device *ndev, 1080 struct ethtool_ringparam *param) 1081 { 1082 struct hns3_nic_priv *priv = netdev_priv(ndev); 1083 struct hnae3_handle *h = priv->ae_handle; 1084 struct hns3_enet_ring *tmp_rings; 1085 bool if_running = netif_running(ndev); 1086 u32 old_tx_desc_num, new_tx_desc_num; 1087 u32 old_rx_desc_num, new_rx_desc_num; 1088 u16 queue_num = h->kinfo.num_tqps; 1089 int ret, i; 1090 1091 ret = hns3_check_ringparam(ndev, param); 1092 if (ret) 1093 return ret; 1094 1095 /* Hardware requires that its descriptors must be multiple of eight */ 1096 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 1097 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 1098 old_tx_desc_num = priv->ring[0].desc_num; 1099 old_rx_desc_num = priv->ring[queue_num].desc_num; 1100 if (old_tx_desc_num == new_tx_desc_num && 1101 old_rx_desc_num == new_rx_desc_num) 1102 return 0; 1103 1104 tmp_rings = hns3_backup_ringparam(priv); 1105 if (!tmp_rings) { 1106 netdev_err(ndev, 1107 "backup ring param failed by allocating memory fail\n"); 1108 return -ENOMEM; 1109 } 1110 1111 netdev_info(ndev, 1112 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 1113 old_tx_desc_num, old_rx_desc_num, 1114 new_tx_desc_num, new_rx_desc_num); 1115 1116 if (if_running) 1117 ndev->netdev_ops->ndo_stop(ndev); 1118 1119 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1120 ret = hns3_init_all_ring(priv); 1121 if (ret) { 1122 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1123 ret); 1124 1125 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1126 old_rx_desc_num); 1127 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1128 memcpy(&priv->ring[i], &tmp_rings[i], 1129 sizeof(struct hns3_enet_ring)); 1130 } else { 1131 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1132 hns3_fini_ring(&tmp_rings[i]); 1133 } 1134 1135 kfree(tmp_rings); 1136 1137 if (if_running) 1138 ret = ndev->netdev_ops->ndo_open(ndev); 1139 1140 return ret; 1141 } 1142 1143 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1144 { 1145 struct hnae3_handle *h = hns3_get_handle(netdev); 1146 1147 switch (cmd->cmd) { 1148 case ETHTOOL_SRXFH: 1149 if (h->ae_algo->ops->set_rss_tuple) 1150 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1151 return -EOPNOTSUPP; 1152 case ETHTOOL_SRXCLSRLINS: 1153 if (h->ae_algo->ops->add_fd_entry) 1154 return h->ae_algo->ops->add_fd_entry(h, cmd); 1155 return -EOPNOTSUPP; 1156 case ETHTOOL_SRXCLSRLDEL: 1157 if (h->ae_algo->ops->del_fd_entry) 1158 return h->ae_algo->ops->del_fd_entry(h, cmd); 1159 return -EOPNOTSUPP; 1160 default: 1161 return -EOPNOTSUPP; 1162 } 1163 } 1164 1165 static int hns3_nway_reset(struct net_device *netdev) 1166 { 1167 struct hnae3_handle *handle = hns3_get_handle(netdev); 1168 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1169 struct phy_device *phy = netdev->phydev; 1170 int autoneg; 1171 1172 if (!netif_running(netdev)) 1173 return 0; 1174 1175 if (hns3_nic_resetting(netdev)) { 1176 netdev_err(netdev, "dev resetting!"); 1177 return -EBUSY; 1178 } 1179 1180 if (!ops->get_autoneg || !ops->restart_autoneg) 1181 return -EOPNOTSUPP; 1182 1183 autoneg = ops->get_autoneg(handle); 1184 if (autoneg != AUTONEG_ENABLE) { 1185 netdev_err(netdev, 1186 "Autoneg is off, don't support to restart it\n"); 1187 return -EINVAL; 1188 } 1189 1190 netif_dbg(handle, drv, netdev, 1191 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1192 1193 if (phy) 1194 return genphy_restart_aneg(phy); 1195 1196 return ops->restart_autoneg(handle); 1197 } 1198 1199 static void hns3_get_channels(struct net_device *netdev, 1200 struct ethtool_channels *ch) 1201 { 1202 struct hnae3_handle *h = hns3_get_handle(netdev); 1203 1204 if (h->ae_algo->ops->get_channels) 1205 h->ae_algo->ops->get_channels(h, ch); 1206 } 1207 1208 static int hns3_get_coalesce(struct net_device *netdev, 1209 struct ethtool_coalesce *cmd, 1210 struct kernel_ethtool_coalesce *kernel_coal, 1211 struct netlink_ext_ack *extack) 1212 { 1213 struct hns3_nic_priv *priv = netdev_priv(netdev); 1214 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1215 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1216 struct hnae3_handle *h = priv->ae_handle; 1217 1218 if (hns3_nic_resetting(netdev)) 1219 return -EBUSY; 1220 1221 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1222 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1223 1224 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1225 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1226 1227 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1228 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1229 1230 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1231 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1232 1233 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1234 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1235 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1236 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1237 1238 return 0; 1239 } 1240 1241 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1242 struct ethtool_coalesce *cmd) 1243 { 1244 struct hnae3_handle *handle = hns3_get_handle(netdev); 1245 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1246 u32 rx_gl, tx_gl; 1247 1248 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1249 netdev_err(netdev, 1250 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1251 ae_dev->dev_specs.max_int_gl); 1252 return -EINVAL; 1253 } 1254 1255 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1256 netdev_err(netdev, 1257 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1258 ae_dev->dev_specs.max_int_gl); 1259 return -EINVAL; 1260 } 1261 1262 /* device version above V3(include V3), GL uses 1us unit, 1263 * so the round down is not needed. 1264 */ 1265 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1266 return 0; 1267 1268 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1269 if (rx_gl != cmd->rx_coalesce_usecs) { 1270 netdev_info(netdev, 1271 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1272 cmd->rx_coalesce_usecs, rx_gl); 1273 } 1274 1275 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1276 if (tx_gl != cmd->tx_coalesce_usecs) { 1277 netdev_info(netdev, 1278 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1279 cmd->tx_coalesce_usecs, tx_gl); 1280 } 1281 1282 return 0; 1283 } 1284 1285 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1286 struct ethtool_coalesce *cmd) 1287 { 1288 u32 rl; 1289 1290 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1291 netdev_err(netdev, 1292 "tx_usecs_high must be same as rx_usecs_high.\n"); 1293 return -EINVAL; 1294 } 1295 1296 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1297 netdev_err(netdev, 1298 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1299 HNS3_INT_RL_MAX); 1300 return -EINVAL; 1301 } 1302 1303 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1304 if (rl != cmd->rx_coalesce_usecs_high) { 1305 netdev_info(netdev, 1306 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1307 cmd->rx_coalesce_usecs_high, rl); 1308 } 1309 1310 return 0; 1311 } 1312 1313 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1314 struct ethtool_coalesce *cmd) 1315 { 1316 struct hnae3_handle *handle = hns3_get_handle(netdev); 1317 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1318 1319 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1320 !ae_dev->dev_specs.int_ql_max) { 1321 netdev_err(netdev, "coalesced frames is not supported\n"); 1322 return -EOPNOTSUPP; 1323 } 1324 1325 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1326 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1327 netdev_err(netdev, 1328 "invalid coalesced_frames value, range is 0-%u\n", 1329 ae_dev->dev_specs.int_ql_max); 1330 return -ERANGE; 1331 } 1332 1333 return 0; 1334 } 1335 1336 static int hns3_check_coalesce_para(struct net_device *netdev, 1337 struct ethtool_coalesce *cmd) 1338 { 1339 int ret; 1340 1341 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1342 if (ret) { 1343 netdev_err(netdev, 1344 "Check gl coalesce param fail. ret = %d\n", ret); 1345 return ret; 1346 } 1347 1348 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1349 if (ret) { 1350 netdev_err(netdev, 1351 "Check rl coalesce param fail. ret = %d\n", ret); 1352 return ret; 1353 } 1354 1355 return hns3_check_ql_coalesce_param(netdev, cmd); 1356 } 1357 1358 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1359 struct ethtool_coalesce *cmd, 1360 u32 queue) 1361 { 1362 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1363 struct hns3_nic_priv *priv = netdev_priv(netdev); 1364 struct hnae3_handle *h = priv->ae_handle; 1365 int queue_num = h->kinfo.num_tqps; 1366 1367 tx_vector = priv->ring[queue].tqp_vector; 1368 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1369 1370 tx_vector->tx_group.coal.adapt_enable = 1371 cmd->use_adaptive_tx_coalesce; 1372 rx_vector->rx_group.coal.adapt_enable = 1373 cmd->use_adaptive_rx_coalesce; 1374 1375 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1376 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1377 1378 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1379 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1380 1381 hns3_set_vector_coalesce_tx_gl(tx_vector, 1382 tx_vector->tx_group.coal.int_gl); 1383 hns3_set_vector_coalesce_rx_gl(rx_vector, 1384 rx_vector->rx_group.coal.int_gl); 1385 1386 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1387 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1388 1389 if (tx_vector->tx_group.coal.ql_enable) 1390 hns3_set_vector_coalesce_tx_ql(tx_vector, 1391 tx_vector->tx_group.coal.int_ql); 1392 if (rx_vector->rx_group.coal.ql_enable) 1393 hns3_set_vector_coalesce_rx_ql(rx_vector, 1394 rx_vector->rx_group.coal.int_ql); 1395 } 1396 1397 static int hns3_set_coalesce(struct net_device *netdev, 1398 struct ethtool_coalesce *cmd, 1399 struct kernel_ethtool_coalesce *kernel_coal, 1400 struct netlink_ext_ack *extack) 1401 { 1402 struct hnae3_handle *h = hns3_get_handle(netdev); 1403 struct hns3_nic_priv *priv = netdev_priv(netdev); 1404 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1405 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1406 u16 queue_num = h->kinfo.num_tqps; 1407 enum dim_cq_period_mode tx_mode; 1408 enum dim_cq_period_mode rx_mode; 1409 int ret; 1410 int i; 1411 1412 if (hns3_nic_resetting(netdev)) 1413 return -EBUSY; 1414 1415 ret = hns3_check_coalesce_para(netdev, cmd); 1416 if (ret) 1417 return ret; 1418 1419 h->kinfo.int_rl_setting = 1420 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1421 1422 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1423 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1424 1425 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1426 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1427 1428 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1429 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1430 1431 for (i = 0; i < queue_num; i++) 1432 hns3_set_coalesce_per_queue(netdev, cmd, i); 1433 1434 tx_mode = kernel_coal->use_cqe_mode_tx ? 1435 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1436 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1437 rx_mode = kernel_coal->use_cqe_mode_rx ? 1438 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1439 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1440 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1441 1442 return 0; 1443 } 1444 1445 static int hns3_get_regs_len(struct net_device *netdev) 1446 { 1447 struct hnae3_handle *h = hns3_get_handle(netdev); 1448 1449 if (!h->ae_algo->ops->get_regs_len) 1450 return -EOPNOTSUPP; 1451 1452 return h->ae_algo->ops->get_regs_len(h); 1453 } 1454 1455 static void hns3_get_regs(struct net_device *netdev, 1456 struct ethtool_regs *cmd, void *data) 1457 { 1458 struct hnae3_handle *h = hns3_get_handle(netdev); 1459 1460 if (!h->ae_algo->ops->get_regs) 1461 return; 1462 1463 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1464 } 1465 1466 static int hns3_set_phys_id(struct net_device *netdev, 1467 enum ethtool_phys_id_state state) 1468 { 1469 struct hnae3_handle *h = hns3_get_handle(netdev); 1470 1471 if (!h->ae_algo->ops->set_led_id) 1472 return -EOPNOTSUPP; 1473 1474 return h->ae_algo->ops->set_led_id(h, state); 1475 } 1476 1477 static u32 hns3_get_msglevel(struct net_device *netdev) 1478 { 1479 struct hnae3_handle *h = hns3_get_handle(netdev); 1480 1481 return h->msg_enable; 1482 } 1483 1484 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1485 { 1486 struct hnae3_handle *h = hns3_get_handle(netdev); 1487 1488 h->msg_enable = msg_level; 1489 } 1490 1491 /* Translate local fec value into ethtool value. */ 1492 static unsigned int loc_to_eth_fec(u8 loc_fec) 1493 { 1494 u32 eth_fec = 0; 1495 1496 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1497 eth_fec |= ETHTOOL_FEC_AUTO; 1498 if (loc_fec & BIT(HNAE3_FEC_RS)) 1499 eth_fec |= ETHTOOL_FEC_RS; 1500 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1501 eth_fec |= ETHTOOL_FEC_BASER; 1502 1503 /* if nothing is set, then FEC is off */ 1504 if (!eth_fec) 1505 eth_fec = ETHTOOL_FEC_OFF; 1506 1507 return eth_fec; 1508 } 1509 1510 /* Translate ethtool fec value into local value. */ 1511 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1512 { 1513 u32 loc_fec = 0; 1514 1515 if (eth_fec & ETHTOOL_FEC_OFF) 1516 return loc_fec; 1517 1518 if (eth_fec & ETHTOOL_FEC_AUTO) 1519 loc_fec |= BIT(HNAE3_FEC_AUTO); 1520 if (eth_fec & ETHTOOL_FEC_RS) 1521 loc_fec |= BIT(HNAE3_FEC_RS); 1522 if (eth_fec & ETHTOOL_FEC_BASER) 1523 loc_fec |= BIT(HNAE3_FEC_BASER); 1524 1525 return loc_fec; 1526 } 1527 1528 static int hns3_get_fecparam(struct net_device *netdev, 1529 struct ethtool_fecparam *fec) 1530 { 1531 struct hnae3_handle *handle = hns3_get_handle(netdev); 1532 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1533 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1534 u8 fec_ability; 1535 u8 fec_mode; 1536 1537 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1538 return -EOPNOTSUPP; 1539 1540 if (!ops->get_fec) 1541 return -EOPNOTSUPP; 1542 1543 ops->get_fec(handle, &fec_ability, &fec_mode); 1544 1545 fec->fec = loc_to_eth_fec(fec_ability); 1546 fec->active_fec = loc_to_eth_fec(fec_mode); 1547 1548 return 0; 1549 } 1550 1551 static int hns3_set_fecparam(struct net_device *netdev, 1552 struct ethtool_fecparam *fec) 1553 { 1554 struct hnae3_handle *handle = hns3_get_handle(netdev); 1555 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1556 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1557 u32 fec_mode; 1558 1559 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1560 return -EOPNOTSUPP; 1561 1562 if (!ops->set_fec) 1563 return -EOPNOTSUPP; 1564 fec_mode = eth_to_loc_fec(fec->fec); 1565 1566 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1567 1568 return ops->set_fec(handle, fec_mode); 1569 } 1570 1571 static int hns3_get_module_info(struct net_device *netdev, 1572 struct ethtool_modinfo *modinfo) 1573 { 1574 #define HNS3_SFF_8636_V1_3 0x03 1575 1576 struct hnae3_handle *handle = hns3_get_handle(netdev); 1577 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1578 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1579 struct hns3_sfp_type sfp_type; 1580 int ret; 1581 1582 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1583 !ops->get_module_eeprom) 1584 return -EOPNOTSUPP; 1585 1586 memset(&sfp_type, 0, sizeof(sfp_type)); 1587 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1588 (u8 *)&sfp_type); 1589 if (ret) 1590 return ret; 1591 1592 switch (sfp_type.type) { 1593 case SFF8024_ID_SFP: 1594 modinfo->type = ETH_MODULE_SFF_8472; 1595 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1596 break; 1597 case SFF8024_ID_QSFP_8438: 1598 modinfo->type = ETH_MODULE_SFF_8436; 1599 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1600 break; 1601 case SFF8024_ID_QSFP_8436_8636: 1602 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1603 modinfo->type = ETH_MODULE_SFF_8436; 1604 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1605 } else { 1606 modinfo->type = ETH_MODULE_SFF_8636; 1607 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1608 } 1609 break; 1610 case SFF8024_ID_QSFP28_8636: 1611 modinfo->type = ETH_MODULE_SFF_8636; 1612 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1613 break; 1614 default: 1615 netdev_err(netdev, "Optical module unknown: %#x\n", 1616 sfp_type.type); 1617 return -EINVAL; 1618 } 1619 1620 return 0; 1621 } 1622 1623 static int hns3_get_module_eeprom(struct net_device *netdev, 1624 struct ethtool_eeprom *ee, u8 *data) 1625 { 1626 struct hnae3_handle *handle = hns3_get_handle(netdev); 1627 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1628 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1629 1630 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1631 !ops->get_module_eeprom) 1632 return -EOPNOTSUPP; 1633 1634 if (!ee->len) 1635 return -EINVAL; 1636 1637 memset(data, 0, ee->len); 1638 1639 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1640 } 1641 1642 static u32 hns3_get_priv_flags(struct net_device *netdev) 1643 { 1644 struct hnae3_handle *handle = hns3_get_handle(netdev); 1645 1646 return handle->priv_flags; 1647 } 1648 1649 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1650 { 1651 u32 i; 1652 1653 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1654 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1655 netdev_err(h->netdev, "%s is unsupported\n", 1656 hns3_priv_flags[i].name); 1657 return -EOPNOTSUPP; 1658 } 1659 1660 return 0; 1661 } 1662 1663 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1664 { 1665 struct hnae3_handle *handle = hns3_get_handle(netdev); 1666 u32 changed = pflags ^ handle->priv_flags; 1667 int ret; 1668 u32 i; 1669 1670 ret = hns3_check_priv_flags(handle, changed); 1671 if (ret) 1672 return ret; 1673 1674 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1675 if (changed & BIT(i)) { 1676 bool enable = !(handle->priv_flags & BIT(i)); 1677 1678 if (enable) 1679 handle->priv_flags |= BIT(i); 1680 else 1681 handle->priv_flags &= ~BIT(i); 1682 hns3_priv_flags[i].handler(netdev, enable); 1683 } 1684 } 1685 1686 return 0; 1687 } 1688 1689 static int hns3_get_tunable(struct net_device *netdev, 1690 const struct ethtool_tunable *tuna, 1691 void *data) 1692 { 1693 struct hns3_nic_priv *priv = netdev_priv(netdev); 1694 int ret = 0; 1695 1696 switch (tuna->id) { 1697 case ETHTOOL_TX_COPYBREAK: 1698 /* all the tx rings have the same tx_copybreak */ 1699 *(u32 *)data = priv->tx_copybreak; 1700 break; 1701 case ETHTOOL_RX_COPYBREAK: 1702 *(u32 *)data = priv->rx_copybreak; 1703 break; 1704 default: 1705 ret = -EOPNOTSUPP; 1706 break; 1707 } 1708 1709 return ret; 1710 } 1711 1712 static int hns3_set_tunable(struct net_device *netdev, 1713 const struct ethtool_tunable *tuna, 1714 const void *data) 1715 { 1716 struct hns3_nic_priv *priv = netdev_priv(netdev); 1717 struct hnae3_handle *h = priv->ae_handle; 1718 int i, ret = 0; 1719 1720 switch (tuna->id) { 1721 case ETHTOOL_TX_COPYBREAK: 1722 priv->tx_copybreak = *(u32 *)data; 1723 1724 for (i = 0; i < h->kinfo.num_tqps; i++) 1725 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1726 1727 break; 1728 case ETHTOOL_RX_COPYBREAK: 1729 priv->rx_copybreak = *(u32 *)data; 1730 1731 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1732 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1733 1734 break; 1735 default: 1736 ret = -EOPNOTSUPP; 1737 break; 1738 } 1739 1740 return ret; 1741 } 1742 1743 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1744 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1745 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1746 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1747 ETHTOOL_COALESCE_MAX_FRAMES | \ 1748 ETHTOOL_COALESCE_USE_CQE) 1749 1750 static int hns3_get_ts_info(struct net_device *netdev, 1751 struct ethtool_ts_info *info) 1752 { 1753 struct hnae3_handle *handle = hns3_get_handle(netdev); 1754 1755 if (handle->ae_algo->ops->get_ts_info) 1756 return handle->ae_algo->ops->get_ts_info(handle, info); 1757 1758 return ethtool_op_get_ts_info(netdev, info); 1759 } 1760 1761 static const struct hns3_ethtool_link_ext_state_mapping 1762 hns3_link_ext_state_map[] = { 1763 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1764 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 1765 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1766 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 1767 1768 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1769 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 1770 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1771 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 1772 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1773 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 1774 1775 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1776 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 1777 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1778 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 1779 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1780 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 1781 1782 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1783 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 1784 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1785 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 1786 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1787 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 1788 1789 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 1790 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 1791 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 1792 1793 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 1794 }; 1795 1796 static int hns3_get_link_ext_state(struct net_device *netdev, 1797 struct ethtool_link_ext_state_info *info) 1798 { 1799 const struct hns3_ethtool_link_ext_state_mapping *map; 1800 struct hnae3_handle *h = hns3_get_handle(netdev); 1801 u32 status_code, i; 1802 int ret; 1803 1804 if (netif_carrier_ok(netdev)) 1805 return -ENODATA; 1806 1807 if (!h->ae_algo->ops->get_link_diagnosis_info) 1808 return -EOPNOTSUPP; 1809 1810 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 1811 if (ret) 1812 return ret; 1813 1814 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 1815 map = &hns3_link_ext_state_map[i]; 1816 if (map->status_code == status_code) { 1817 info->link_ext_state = map->link_ext_state; 1818 info->__link_ext_substate = map->link_ext_substate; 1819 return 0; 1820 } 1821 } 1822 1823 return -ENODATA; 1824 } 1825 1826 static const struct ethtool_ops hns3vf_ethtool_ops = { 1827 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1828 .get_drvinfo = hns3_get_drvinfo, 1829 .get_ringparam = hns3_get_ringparam, 1830 .set_ringparam = hns3_set_ringparam, 1831 .get_strings = hns3_get_strings, 1832 .get_ethtool_stats = hns3_get_stats, 1833 .get_sset_count = hns3_get_sset_count, 1834 .get_rxnfc = hns3_get_rxnfc, 1835 .set_rxnfc = hns3_set_rxnfc, 1836 .get_rxfh_key_size = hns3_get_rss_key_size, 1837 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1838 .get_rxfh = hns3_get_rss, 1839 .set_rxfh = hns3_set_rss, 1840 .get_link_ksettings = hns3_get_link_ksettings, 1841 .get_channels = hns3_get_channels, 1842 .set_channels = hns3_set_channels, 1843 .get_coalesce = hns3_get_coalesce, 1844 .set_coalesce = hns3_set_coalesce, 1845 .get_regs_len = hns3_get_regs_len, 1846 .get_regs = hns3_get_regs, 1847 .get_link = hns3_get_link, 1848 .get_msglevel = hns3_get_msglevel, 1849 .set_msglevel = hns3_set_msglevel, 1850 .get_priv_flags = hns3_get_priv_flags, 1851 .set_priv_flags = hns3_set_priv_flags, 1852 .get_tunable = hns3_get_tunable, 1853 .set_tunable = hns3_set_tunable, 1854 .reset = hns3_set_reset, 1855 }; 1856 1857 static const struct ethtool_ops hns3_ethtool_ops = { 1858 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1859 .self_test = hns3_self_test, 1860 .get_drvinfo = hns3_get_drvinfo, 1861 .get_link = hns3_get_link, 1862 .get_ringparam = hns3_get_ringparam, 1863 .set_ringparam = hns3_set_ringparam, 1864 .get_pauseparam = hns3_get_pauseparam, 1865 .set_pauseparam = hns3_set_pauseparam, 1866 .get_strings = hns3_get_strings, 1867 .get_ethtool_stats = hns3_get_stats, 1868 .get_sset_count = hns3_get_sset_count, 1869 .get_rxnfc = hns3_get_rxnfc, 1870 .set_rxnfc = hns3_set_rxnfc, 1871 .get_rxfh_key_size = hns3_get_rss_key_size, 1872 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1873 .get_rxfh = hns3_get_rss, 1874 .set_rxfh = hns3_set_rss, 1875 .get_link_ksettings = hns3_get_link_ksettings, 1876 .set_link_ksettings = hns3_set_link_ksettings, 1877 .nway_reset = hns3_nway_reset, 1878 .get_channels = hns3_get_channels, 1879 .set_channels = hns3_set_channels, 1880 .get_coalesce = hns3_get_coalesce, 1881 .set_coalesce = hns3_set_coalesce, 1882 .get_regs_len = hns3_get_regs_len, 1883 .get_regs = hns3_get_regs, 1884 .set_phys_id = hns3_set_phys_id, 1885 .get_msglevel = hns3_get_msglevel, 1886 .set_msglevel = hns3_set_msglevel, 1887 .get_fecparam = hns3_get_fecparam, 1888 .set_fecparam = hns3_set_fecparam, 1889 .get_module_info = hns3_get_module_info, 1890 .get_module_eeprom = hns3_get_module_eeprom, 1891 .get_priv_flags = hns3_get_priv_flags, 1892 .set_priv_flags = hns3_set_priv_flags, 1893 .get_ts_info = hns3_get_ts_info, 1894 .get_tunable = hns3_get_tunable, 1895 .set_tunable = hns3_set_tunable, 1896 .reset = hns3_set_reset, 1897 .get_link_ext_state = hns3_get_link_ext_state, 1898 }; 1899 1900 void hns3_ethtool_set_ops(struct net_device *netdev) 1901 { 1902 struct hnae3_handle *h = hns3_get_handle(netdev); 1903 1904 if (h->flags & HNAE3_SUPPORT_VF) 1905 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1906 else 1907 netdev->ethtool_ops = &hns3_ethtool_ops; 1908 } 1909