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 struct kernel_ethtool_ringparam *kernel_param, 648 struct netlink_ext_ack *extack) 649 { 650 struct hns3_nic_priv *priv = netdev_priv(netdev); 651 struct hnae3_handle *h = priv->ae_handle; 652 int rx_queue_index = h->kinfo.num_tqps; 653 654 if (hns3_nic_resetting(netdev)) { 655 netdev_err(netdev, "dev resetting!"); 656 return; 657 } 658 659 param->tx_max_pending = HNS3_RING_MAX_PENDING; 660 param->rx_max_pending = HNS3_RING_MAX_PENDING; 661 662 param->tx_pending = priv->ring[0].desc_num; 663 param->rx_pending = priv->ring[rx_queue_index].desc_num; 664 kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size; 665 } 666 667 static void hns3_get_pauseparam(struct net_device *netdev, 668 struct ethtool_pauseparam *param) 669 { 670 struct hnae3_handle *h = hns3_get_handle(netdev); 671 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 672 673 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 674 return; 675 676 if (h->ae_algo->ops->get_pauseparam) 677 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 678 ¶m->rx_pause, ¶m->tx_pause); 679 } 680 681 static int hns3_set_pauseparam(struct net_device *netdev, 682 struct ethtool_pauseparam *param) 683 { 684 struct hnae3_handle *h = hns3_get_handle(netdev); 685 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 686 687 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 688 return -EOPNOTSUPP; 689 690 netif_dbg(h, drv, netdev, 691 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 692 param->autoneg, param->rx_pause, param->tx_pause); 693 694 if (h->ae_algo->ops->set_pauseparam) 695 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 696 param->rx_pause, 697 param->tx_pause); 698 return -EOPNOTSUPP; 699 } 700 701 static void hns3_get_ksettings(struct hnae3_handle *h, 702 struct ethtool_link_ksettings *cmd) 703 { 704 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 705 706 /* 1.auto_neg & speed & duplex from cmd */ 707 if (ops->get_ksettings_an_result) 708 ops->get_ksettings_an_result(h, 709 &cmd->base.autoneg, 710 &cmd->base.speed, 711 &cmd->base.duplex); 712 713 /* 2.get link mode */ 714 if (ops->get_link_mode) 715 ops->get_link_mode(h, 716 cmd->link_modes.supported, 717 cmd->link_modes.advertising); 718 719 /* 3.mdix_ctrl&mdix get from phy reg */ 720 if (ops->get_mdix_mode) 721 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 722 &cmd->base.eth_tp_mdix); 723 } 724 725 static int hns3_get_link_ksettings(struct net_device *netdev, 726 struct ethtool_link_ksettings *cmd) 727 { 728 struct hnae3_handle *h = hns3_get_handle(netdev); 729 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 730 const struct hnae3_ae_ops *ops; 731 u8 module_type; 732 u8 media_type; 733 u8 link_stat; 734 735 ops = h->ae_algo->ops; 736 if (ops->get_media_type) 737 ops->get_media_type(h, &media_type, &module_type); 738 else 739 return -EOPNOTSUPP; 740 741 switch (media_type) { 742 case HNAE3_MEDIA_TYPE_NONE: 743 cmd->base.port = PORT_NONE; 744 hns3_get_ksettings(h, cmd); 745 break; 746 case HNAE3_MEDIA_TYPE_FIBER: 747 if (module_type == HNAE3_MODULE_TYPE_CR) 748 cmd->base.port = PORT_DA; 749 else 750 cmd->base.port = PORT_FIBRE; 751 752 hns3_get_ksettings(h, cmd); 753 break; 754 case HNAE3_MEDIA_TYPE_BACKPLANE: 755 cmd->base.port = PORT_NONE; 756 hns3_get_ksettings(h, cmd); 757 break; 758 case HNAE3_MEDIA_TYPE_COPPER: 759 cmd->base.port = PORT_TP; 760 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 761 ops->get_phy_link_ksettings) 762 ops->get_phy_link_ksettings(h, cmd); 763 else if (!netdev->phydev) 764 hns3_get_ksettings(h, cmd); 765 else 766 phy_ethtool_ksettings_get(netdev->phydev, cmd); 767 break; 768 default: 769 770 netdev_warn(netdev, "Unknown media type"); 771 return 0; 772 } 773 774 /* mdio_support */ 775 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 776 777 link_stat = hns3_get_link(netdev); 778 if (!link_stat) { 779 cmd->base.speed = SPEED_UNKNOWN; 780 cmd->base.duplex = DUPLEX_UNKNOWN; 781 } 782 783 return 0; 784 } 785 786 static int hns3_check_ksettings_param(const struct net_device *netdev, 787 const struct ethtool_link_ksettings *cmd) 788 { 789 struct hnae3_handle *handle = hns3_get_handle(netdev); 790 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 791 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 792 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 793 u8 autoneg; 794 u32 speed; 795 u8 duplex; 796 int ret; 797 798 /* hw doesn't support use specified speed and duplex to negotiate, 799 * unnecessary to check them when autoneg on. 800 */ 801 if (cmd->base.autoneg) 802 return 0; 803 804 if (ops->get_ksettings_an_result) { 805 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 806 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 807 cmd->base.duplex == duplex) 808 return 0; 809 } 810 811 if (ops->get_media_type) 812 ops->get_media_type(handle, &media_type, &module_type); 813 814 if (cmd->base.duplex == DUPLEX_HALF && 815 media_type != HNAE3_MEDIA_TYPE_COPPER) { 816 netdev_err(netdev, 817 "only copper port supports half duplex!"); 818 return -EINVAL; 819 } 820 821 if (ops->check_port_speed) { 822 ret = ops->check_port_speed(handle, cmd->base.speed); 823 if (ret) { 824 netdev_err(netdev, "unsupported speed\n"); 825 return ret; 826 } 827 } 828 829 return 0; 830 } 831 832 static int hns3_set_link_ksettings(struct net_device *netdev, 833 const struct ethtool_link_ksettings *cmd) 834 { 835 struct hnae3_handle *handle = hns3_get_handle(netdev); 836 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 837 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 838 int ret; 839 840 /* Chip don't support this mode. */ 841 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 842 return -EINVAL; 843 844 netif_dbg(handle, drv, netdev, 845 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 846 netdev->phydev ? "phy" : "mac", 847 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 848 849 /* Only support ksettings_set for netdev with phy attached for now */ 850 if (netdev->phydev) { 851 if (cmd->base.speed == SPEED_1000 && 852 cmd->base.autoneg == AUTONEG_DISABLE) 853 return -EINVAL; 854 855 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 856 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 857 ops->set_phy_link_ksettings) { 858 return ops->set_phy_link_ksettings(handle, cmd); 859 } 860 861 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 862 return -EOPNOTSUPP; 863 864 ret = hns3_check_ksettings_param(netdev, cmd); 865 if (ret) 866 return ret; 867 868 if (ops->set_autoneg) { 869 ret = ops->set_autoneg(handle, cmd->base.autoneg); 870 if (ret) 871 return ret; 872 } 873 874 /* hw doesn't support use specified speed and duplex to negotiate, 875 * ignore them when autoneg on. 876 */ 877 if (cmd->base.autoneg) { 878 netdev_info(netdev, 879 "autoneg is on, ignore the speed and duplex\n"); 880 return 0; 881 } 882 883 if (ops->cfg_mac_speed_dup_h) 884 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 885 cmd->base.duplex); 886 887 return ret; 888 } 889 890 static u32 hns3_get_rss_key_size(struct net_device *netdev) 891 { 892 struct hnae3_handle *h = hns3_get_handle(netdev); 893 894 if (!h->ae_algo->ops->get_rss_key_size) 895 return 0; 896 897 return h->ae_algo->ops->get_rss_key_size(h); 898 } 899 900 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 901 { 902 struct hnae3_handle *h = hns3_get_handle(netdev); 903 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 904 905 return ae_dev->dev_specs.rss_ind_tbl_size; 906 } 907 908 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 909 u8 *hfunc) 910 { 911 struct hnae3_handle *h = hns3_get_handle(netdev); 912 913 if (!h->ae_algo->ops->get_rss) 914 return -EOPNOTSUPP; 915 916 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 917 } 918 919 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 920 const u8 *key, const u8 hfunc) 921 { 922 struct hnae3_handle *h = hns3_get_handle(netdev); 923 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 924 925 if (!h->ae_algo->ops->set_rss) 926 return -EOPNOTSUPP; 927 928 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 929 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 930 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 931 netdev_err(netdev, "hash func not supported\n"); 932 return -EOPNOTSUPP; 933 } 934 935 if (!indir) { 936 netdev_err(netdev, 937 "set rss failed for indir is empty\n"); 938 return -EOPNOTSUPP; 939 } 940 941 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 942 } 943 944 static int hns3_get_rxnfc(struct net_device *netdev, 945 struct ethtool_rxnfc *cmd, 946 u32 *rule_locs) 947 { 948 struct hnae3_handle *h = hns3_get_handle(netdev); 949 950 switch (cmd->cmd) { 951 case ETHTOOL_GRXRINGS: 952 cmd->data = h->kinfo.num_tqps; 953 return 0; 954 case ETHTOOL_GRXFH: 955 if (h->ae_algo->ops->get_rss_tuple) 956 return h->ae_algo->ops->get_rss_tuple(h, cmd); 957 return -EOPNOTSUPP; 958 case ETHTOOL_GRXCLSRLCNT: 959 if (h->ae_algo->ops->get_fd_rule_cnt) 960 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 961 return -EOPNOTSUPP; 962 case ETHTOOL_GRXCLSRULE: 963 if (h->ae_algo->ops->get_fd_rule_info) 964 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 965 return -EOPNOTSUPP; 966 case ETHTOOL_GRXCLSRLALL: 967 if (h->ae_algo->ops->get_fd_all_rules) 968 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 969 rule_locs); 970 return -EOPNOTSUPP; 971 default: 972 return -EOPNOTSUPP; 973 } 974 } 975 976 static const struct hns3_reset_type_map hns3_reset_type[] = { 977 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 978 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 979 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 980 }; 981 982 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 983 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 984 }; 985 986 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 987 { 988 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 989 struct hnae3_handle *h = hns3_get_handle(netdev); 990 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 991 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 992 const struct hns3_reset_type_map *rst_type_map; 993 enum ethtool_reset_flags rst_flags; 994 u32 i, size; 995 996 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 997 return -EBUSY; 998 999 if (!ops->set_default_reset_request || !ops->reset_event) 1000 return -EOPNOTSUPP; 1001 1002 if (h->flags & HNAE3_SUPPORT_VF) { 1003 rst_type_map = hns3vf_reset_type; 1004 size = ARRAY_SIZE(hns3vf_reset_type); 1005 } else { 1006 rst_type_map = hns3_reset_type; 1007 size = ARRAY_SIZE(hns3_reset_type); 1008 } 1009 1010 for (i = 0; i < size; i++) { 1011 if (rst_type_map[i].rst_flags == *flags) { 1012 rst_type = rst_type_map[i].rst_type; 1013 rst_flags = rst_type_map[i].rst_flags; 1014 break; 1015 } 1016 } 1017 1018 if (rst_type == HNAE3_NONE_RESET || 1019 (rst_type == HNAE3_IMP_RESET && 1020 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1021 return -EOPNOTSUPP; 1022 1023 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1024 1025 ops->set_default_reset_request(ae_dev, rst_type); 1026 1027 ops->reset_event(h->pdev, h); 1028 1029 *flags &= ~rst_flags; 1030 1031 return 0; 1032 } 1033 1034 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1035 u32 tx_desc_num, u32 rx_desc_num) 1036 { 1037 struct hnae3_handle *h = priv->ae_handle; 1038 int i; 1039 1040 h->kinfo.num_tx_desc = tx_desc_num; 1041 h->kinfo.num_rx_desc = rx_desc_num; 1042 1043 for (i = 0; i < h->kinfo.num_tqps; i++) { 1044 priv->ring[i].desc_num = tx_desc_num; 1045 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1046 } 1047 } 1048 1049 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1050 { 1051 struct hnae3_handle *handle = priv->ae_handle; 1052 struct hns3_enet_ring *tmp_rings; 1053 int i; 1054 1055 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1056 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1057 if (!tmp_rings) 1058 return NULL; 1059 1060 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1061 memcpy(&tmp_rings[i], &priv->ring[i], 1062 sizeof(struct hns3_enet_ring)); 1063 tmp_rings[i].skb = NULL; 1064 } 1065 1066 return tmp_rings; 1067 } 1068 1069 static int hns3_check_ringparam(struct net_device *ndev, 1070 struct ethtool_ringparam *param, 1071 struct kernel_ethtool_ringparam *kernel_param) 1072 { 1073 #define RX_BUF_LEN_2K 2048 1074 #define RX_BUF_LEN_4K 4096 1075 if (hns3_nic_resetting(ndev)) 1076 return -EBUSY; 1077 1078 if (param->rx_mini_pending || param->rx_jumbo_pending) 1079 return -EINVAL; 1080 1081 if (kernel_param->rx_buf_len != RX_BUF_LEN_2K && 1082 kernel_param->rx_buf_len != RX_BUF_LEN_4K) { 1083 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n"); 1084 return -EINVAL; 1085 } 1086 1087 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1088 param->tx_pending < HNS3_RING_MIN_PENDING || 1089 param->rx_pending > HNS3_RING_MAX_PENDING || 1090 param->rx_pending < HNS3_RING_MIN_PENDING) { 1091 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1092 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1093 return -EINVAL; 1094 } 1095 1096 return 0; 1097 } 1098 1099 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1100 { 1101 struct hns3_nic_priv *priv = netdev_priv(ndev); 1102 struct hnae3_handle *h = priv->ae_handle; 1103 int i; 1104 1105 h->kinfo.rx_buf_len = rx_buf_len; 1106 1107 for (i = 0; i < h->kinfo.num_tqps; i++) { 1108 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1109 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1110 } 1111 1112 return 0; 1113 } 1114 1115 static int hns3_set_ringparam(struct net_device *ndev, 1116 struct ethtool_ringparam *param, 1117 struct kernel_ethtool_ringparam *kernel_param, 1118 struct netlink_ext_ack *extack) 1119 { 1120 struct hns3_nic_priv *priv = netdev_priv(ndev); 1121 struct hnae3_handle *h = priv->ae_handle; 1122 struct hns3_enet_ring *tmp_rings; 1123 bool if_running = netif_running(ndev); 1124 u32 old_tx_desc_num, new_tx_desc_num; 1125 u32 old_rx_desc_num, new_rx_desc_num; 1126 u16 queue_num = h->kinfo.num_tqps; 1127 u32 old_rx_buf_len; 1128 int ret, i; 1129 1130 ret = hns3_check_ringparam(ndev, param, kernel_param); 1131 if (ret) 1132 return ret; 1133 1134 /* Hardware requires that its descriptors must be multiple of eight */ 1135 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 1136 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 1137 old_tx_desc_num = priv->ring[0].desc_num; 1138 old_rx_desc_num = priv->ring[queue_num].desc_num; 1139 old_rx_buf_len = priv->ring[queue_num].buf_size; 1140 if (old_tx_desc_num == new_tx_desc_num && 1141 old_rx_desc_num == new_rx_desc_num && 1142 kernel_param->rx_buf_len == old_rx_buf_len) 1143 return 0; 1144 1145 tmp_rings = hns3_backup_ringparam(priv); 1146 if (!tmp_rings) { 1147 netdev_err(ndev, 1148 "backup ring param failed by allocating memory fail\n"); 1149 return -ENOMEM; 1150 } 1151 1152 netdev_info(ndev, 1153 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %d to %d\n", 1154 old_tx_desc_num, old_rx_desc_num, 1155 new_tx_desc_num, new_rx_desc_num, 1156 old_rx_buf_len, kernel_param->rx_buf_len); 1157 1158 if (if_running) 1159 ndev->netdev_ops->ndo_stop(ndev); 1160 1161 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1162 hns3_change_rx_buf_len(ndev, kernel_param->rx_buf_len); 1163 ret = hns3_init_all_ring(priv); 1164 if (ret) { 1165 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1166 ret); 1167 1168 hns3_change_rx_buf_len(ndev, old_rx_buf_len); 1169 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1170 old_rx_desc_num); 1171 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1172 memcpy(&priv->ring[i], &tmp_rings[i], 1173 sizeof(struct hns3_enet_ring)); 1174 } else { 1175 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1176 hns3_fini_ring(&tmp_rings[i]); 1177 } 1178 1179 kfree(tmp_rings); 1180 1181 if (if_running) 1182 ret = ndev->netdev_ops->ndo_open(ndev); 1183 1184 return ret; 1185 } 1186 1187 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1188 { 1189 struct hnae3_handle *h = hns3_get_handle(netdev); 1190 1191 switch (cmd->cmd) { 1192 case ETHTOOL_SRXFH: 1193 if (h->ae_algo->ops->set_rss_tuple) 1194 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1195 return -EOPNOTSUPP; 1196 case ETHTOOL_SRXCLSRLINS: 1197 if (h->ae_algo->ops->add_fd_entry) 1198 return h->ae_algo->ops->add_fd_entry(h, cmd); 1199 return -EOPNOTSUPP; 1200 case ETHTOOL_SRXCLSRLDEL: 1201 if (h->ae_algo->ops->del_fd_entry) 1202 return h->ae_algo->ops->del_fd_entry(h, cmd); 1203 return -EOPNOTSUPP; 1204 default: 1205 return -EOPNOTSUPP; 1206 } 1207 } 1208 1209 static int hns3_nway_reset(struct net_device *netdev) 1210 { 1211 struct hnae3_handle *handle = hns3_get_handle(netdev); 1212 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1213 struct phy_device *phy = netdev->phydev; 1214 int autoneg; 1215 1216 if (!netif_running(netdev)) 1217 return 0; 1218 1219 if (hns3_nic_resetting(netdev)) { 1220 netdev_err(netdev, "dev resetting!"); 1221 return -EBUSY; 1222 } 1223 1224 if (!ops->get_autoneg || !ops->restart_autoneg) 1225 return -EOPNOTSUPP; 1226 1227 autoneg = ops->get_autoneg(handle); 1228 if (autoneg != AUTONEG_ENABLE) { 1229 netdev_err(netdev, 1230 "Autoneg is off, don't support to restart it\n"); 1231 return -EINVAL; 1232 } 1233 1234 netif_dbg(handle, drv, netdev, 1235 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1236 1237 if (phy) 1238 return genphy_restart_aneg(phy); 1239 1240 return ops->restart_autoneg(handle); 1241 } 1242 1243 static void hns3_get_channels(struct net_device *netdev, 1244 struct ethtool_channels *ch) 1245 { 1246 struct hnae3_handle *h = hns3_get_handle(netdev); 1247 1248 if (h->ae_algo->ops->get_channels) 1249 h->ae_algo->ops->get_channels(h, ch); 1250 } 1251 1252 static int hns3_get_coalesce(struct net_device *netdev, 1253 struct ethtool_coalesce *cmd, 1254 struct kernel_ethtool_coalesce *kernel_coal, 1255 struct netlink_ext_ack *extack) 1256 { 1257 struct hns3_nic_priv *priv = netdev_priv(netdev); 1258 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1259 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1260 struct hnae3_handle *h = priv->ae_handle; 1261 1262 if (hns3_nic_resetting(netdev)) 1263 return -EBUSY; 1264 1265 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1266 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1267 1268 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1269 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1270 1271 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1272 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1273 1274 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1275 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1276 1277 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1278 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1279 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1280 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1281 1282 return 0; 1283 } 1284 1285 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1286 struct ethtool_coalesce *cmd) 1287 { 1288 struct hnae3_handle *handle = hns3_get_handle(netdev); 1289 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1290 u32 rx_gl, tx_gl; 1291 1292 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1293 netdev_err(netdev, 1294 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1295 ae_dev->dev_specs.max_int_gl); 1296 return -EINVAL; 1297 } 1298 1299 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1300 netdev_err(netdev, 1301 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1302 ae_dev->dev_specs.max_int_gl); 1303 return -EINVAL; 1304 } 1305 1306 /* device version above V3(include V3), GL uses 1us unit, 1307 * so the round down is not needed. 1308 */ 1309 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1310 return 0; 1311 1312 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1313 if (rx_gl != cmd->rx_coalesce_usecs) { 1314 netdev_info(netdev, 1315 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1316 cmd->rx_coalesce_usecs, rx_gl); 1317 } 1318 1319 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1320 if (tx_gl != cmd->tx_coalesce_usecs) { 1321 netdev_info(netdev, 1322 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1323 cmd->tx_coalesce_usecs, tx_gl); 1324 } 1325 1326 return 0; 1327 } 1328 1329 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1330 struct ethtool_coalesce *cmd) 1331 { 1332 u32 rl; 1333 1334 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1335 netdev_err(netdev, 1336 "tx_usecs_high must be same as rx_usecs_high.\n"); 1337 return -EINVAL; 1338 } 1339 1340 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1341 netdev_err(netdev, 1342 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1343 HNS3_INT_RL_MAX); 1344 return -EINVAL; 1345 } 1346 1347 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1348 if (rl != cmd->rx_coalesce_usecs_high) { 1349 netdev_info(netdev, 1350 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1351 cmd->rx_coalesce_usecs_high, rl); 1352 } 1353 1354 return 0; 1355 } 1356 1357 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1358 struct ethtool_coalesce *cmd) 1359 { 1360 struct hnae3_handle *handle = hns3_get_handle(netdev); 1361 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1362 1363 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1364 !ae_dev->dev_specs.int_ql_max) { 1365 netdev_err(netdev, "coalesced frames is not supported\n"); 1366 return -EOPNOTSUPP; 1367 } 1368 1369 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1370 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1371 netdev_err(netdev, 1372 "invalid coalesced_frames value, range is 0-%u\n", 1373 ae_dev->dev_specs.int_ql_max); 1374 return -ERANGE; 1375 } 1376 1377 return 0; 1378 } 1379 1380 static int hns3_check_coalesce_para(struct net_device *netdev, 1381 struct ethtool_coalesce *cmd) 1382 { 1383 int ret; 1384 1385 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1386 if (ret) { 1387 netdev_err(netdev, 1388 "Check gl coalesce param fail. ret = %d\n", ret); 1389 return ret; 1390 } 1391 1392 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1393 if (ret) { 1394 netdev_err(netdev, 1395 "Check rl coalesce param fail. ret = %d\n", ret); 1396 return ret; 1397 } 1398 1399 return hns3_check_ql_coalesce_param(netdev, cmd); 1400 } 1401 1402 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1403 struct ethtool_coalesce *cmd, 1404 u32 queue) 1405 { 1406 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1407 struct hns3_nic_priv *priv = netdev_priv(netdev); 1408 struct hnae3_handle *h = priv->ae_handle; 1409 int queue_num = h->kinfo.num_tqps; 1410 1411 tx_vector = priv->ring[queue].tqp_vector; 1412 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1413 1414 tx_vector->tx_group.coal.adapt_enable = 1415 cmd->use_adaptive_tx_coalesce; 1416 rx_vector->rx_group.coal.adapt_enable = 1417 cmd->use_adaptive_rx_coalesce; 1418 1419 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1420 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1421 1422 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1423 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1424 1425 hns3_set_vector_coalesce_tx_gl(tx_vector, 1426 tx_vector->tx_group.coal.int_gl); 1427 hns3_set_vector_coalesce_rx_gl(rx_vector, 1428 rx_vector->rx_group.coal.int_gl); 1429 1430 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1431 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1432 1433 if (tx_vector->tx_group.coal.ql_enable) 1434 hns3_set_vector_coalesce_tx_ql(tx_vector, 1435 tx_vector->tx_group.coal.int_ql); 1436 if (rx_vector->rx_group.coal.ql_enable) 1437 hns3_set_vector_coalesce_rx_ql(rx_vector, 1438 rx_vector->rx_group.coal.int_ql); 1439 } 1440 1441 static int hns3_set_coalesce(struct net_device *netdev, 1442 struct ethtool_coalesce *cmd, 1443 struct kernel_ethtool_coalesce *kernel_coal, 1444 struct netlink_ext_ack *extack) 1445 { 1446 struct hnae3_handle *h = hns3_get_handle(netdev); 1447 struct hns3_nic_priv *priv = netdev_priv(netdev); 1448 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1449 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1450 u16 queue_num = h->kinfo.num_tqps; 1451 enum dim_cq_period_mode tx_mode; 1452 enum dim_cq_period_mode rx_mode; 1453 int ret; 1454 int i; 1455 1456 if (hns3_nic_resetting(netdev)) 1457 return -EBUSY; 1458 1459 ret = hns3_check_coalesce_para(netdev, cmd); 1460 if (ret) 1461 return ret; 1462 1463 h->kinfo.int_rl_setting = 1464 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1465 1466 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1467 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1468 1469 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1470 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1471 1472 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1473 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1474 1475 for (i = 0; i < queue_num; i++) 1476 hns3_set_coalesce_per_queue(netdev, cmd, i); 1477 1478 tx_mode = kernel_coal->use_cqe_mode_tx ? 1479 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1480 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1481 rx_mode = kernel_coal->use_cqe_mode_rx ? 1482 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1483 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1484 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1485 1486 return 0; 1487 } 1488 1489 static int hns3_get_regs_len(struct net_device *netdev) 1490 { 1491 struct hnae3_handle *h = hns3_get_handle(netdev); 1492 1493 if (!h->ae_algo->ops->get_regs_len) 1494 return -EOPNOTSUPP; 1495 1496 return h->ae_algo->ops->get_regs_len(h); 1497 } 1498 1499 static void hns3_get_regs(struct net_device *netdev, 1500 struct ethtool_regs *cmd, void *data) 1501 { 1502 struct hnae3_handle *h = hns3_get_handle(netdev); 1503 1504 if (!h->ae_algo->ops->get_regs) 1505 return; 1506 1507 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1508 } 1509 1510 static int hns3_set_phys_id(struct net_device *netdev, 1511 enum ethtool_phys_id_state state) 1512 { 1513 struct hnae3_handle *h = hns3_get_handle(netdev); 1514 1515 if (!h->ae_algo->ops->set_led_id) 1516 return -EOPNOTSUPP; 1517 1518 return h->ae_algo->ops->set_led_id(h, state); 1519 } 1520 1521 static u32 hns3_get_msglevel(struct net_device *netdev) 1522 { 1523 struct hnae3_handle *h = hns3_get_handle(netdev); 1524 1525 return h->msg_enable; 1526 } 1527 1528 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1529 { 1530 struct hnae3_handle *h = hns3_get_handle(netdev); 1531 1532 h->msg_enable = msg_level; 1533 } 1534 1535 /* Translate local fec value into ethtool value. */ 1536 static unsigned int loc_to_eth_fec(u8 loc_fec) 1537 { 1538 u32 eth_fec = 0; 1539 1540 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1541 eth_fec |= ETHTOOL_FEC_AUTO; 1542 if (loc_fec & BIT(HNAE3_FEC_RS)) 1543 eth_fec |= ETHTOOL_FEC_RS; 1544 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1545 eth_fec |= ETHTOOL_FEC_BASER; 1546 1547 /* if nothing is set, then FEC is off */ 1548 if (!eth_fec) 1549 eth_fec = ETHTOOL_FEC_OFF; 1550 1551 return eth_fec; 1552 } 1553 1554 /* Translate ethtool fec value into local value. */ 1555 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1556 { 1557 u32 loc_fec = 0; 1558 1559 if (eth_fec & ETHTOOL_FEC_OFF) 1560 return loc_fec; 1561 1562 if (eth_fec & ETHTOOL_FEC_AUTO) 1563 loc_fec |= BIT(HNAE3_FEC_AUTO); 1564 if (eth_fec & ETHTOOL_FEC_RS) 1565 loc_fec |= BIT(HNAE3_FEC_RS); 1566 if (eth_fec & ETHTOOL_FEC_BASER) 1567 loc_fec |= BIT(HNAE3_FEC_BASER); 1568 1569 return loc_fec; 1570 } 1571 1572 static int hns3_get_fecparam(struct net_device *netdev, 1573 struct ethtool_fecparam *fec) 1574 { 1575 struct hnae3_handle *handle = hns3_get_handle(netdev); 1576 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1577 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1578 u8 fec_ability; 1579 u8 fec_mode; 1580 1581 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1582 return -EOPNOTSUPP; 1583 1584 if (!ops->get_fec) 1585 return -EOPNOTSUPP; 1586 1587 ops->get_fec(handle, &fec_ability, &fec_mode); 1588 1589 fec->fec = loc_to_eth_fec(fec_ability); 1590 fec->active_fec = loc_to_eth_fec(fec_mode); 1591 1592 return 0; 1593 } 1594 1595 static int hns3_set_fecparam(struct net_device *netdev, 1596 struct ethtool_fecparam *fec) 1597 { 1598 struct hnae3_handle *handle = hns3_get_handle(netdev); 1599 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1600 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1601 u32 fec_mode; 1602 1603 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1604 return -EOPNOTSUPP; 1605 1606 if (!ops->set_fec) 1607 return -EOPNOTSUPP; 1608 fec_mode = eth_to_loc_fec(fec->fec); 1609 1610 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1611 1612 return ops->set_fec(handle, fec_mode); 1613 } 1614 1615 static int hns3_get_module_info(struct net_device *netdev, 1616 struct ethtool_modinfo *modinfo) 1617 { 1618 #define HNS3_SFF_8636_V1_3 0x03 1619 1620 struct hnae3_handle *handle = hns3_get_handle(netdev); 1621 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1622 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1623 struct hns3_sfp_type sfp_type; 1624 int ret; 1625 1626 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1627 !ops->get_module_eeprom) 1628 return -EOPNOTSUPP; 1629 1630 memset(&sfp_type, 0, sizeof(sfp_type)); 1631 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1632 (u8 *)&sfp_type); 1633 if (ret) 1634 return ret; 1635 1636 switch (sfp_type.type) { 1637 case SFF8024_ID_SFP: 1638 modinfo->type = ETH_MODULE_SFF_8472; 1639 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1640 break; 1641 case SFF8024_ID_QSFP_8438: 1642 modinfo->type = ETH_MODULE_SFF_8436; 1643 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1644 break; 1645 case SFF8024_ID_QSFP_8436_8636: 1646 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1647 modinfo->type = ETH_MODULE_SFF_8436; 1648 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1649 } else { 1650 modinfo->type = ETH_MODULE_SFF_8636; 1651 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1652 } 1653 break; 1654 case SFF8024_ID_QSFP28_8636: 1655 modinfo->type = ETH_MODULE_SFF_8636; 1656 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1657 break; 1658 default: 1659 netdev_err(netdev, "Optical module unknown: %#x\n", 1660 sfp_type.type); 1661 return -EINVAL; 1662 } 1663 1664 return 0; 1665 } 1666 1667 static int hns3_get_module_eeprom(struct net_device *netdev, 1668 struct ethtool_eeprom *ee, u8 *data) 1669 { 1670 struct hnae3_handle *handle = hns3_get_handle(netdev); 1671 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1672 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1673 1674 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1675 !ops->get_module_eeprom) 1676 return -EOPNOTSUPP; 1677 1678 if (!ee->len) 1679 return -EINVAL; 1680 1681 memset(data, 0, ee->len); 1682 1683 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1684 } 1685 1686 static u32 hns3_get_priv_flags(struct net_device *netdev) 1687 { 1688 struct hnae3_handle *handle = hns3_get_handle(netdev); 1689 1690 return handle->priv_flags; 1691 } 1692 1693 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1694 { 1695 u32 i; 1696 1697 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1698 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1699 netdev_err(h->netdev, "%s is unsupported\n", 1700 hns3_priv_flags[i].name); 1701 return -EOPNOTSUPP; 1702 } 1703 1704 return 0; 1705 } 1706 1707 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1708 { 1709 struct hnae3_handle *handle = hns3_get_handle(netdev); 1710 u32 changed = pflags ^ handle->priv_flags; 1711 int ret; 1712 u32 i; 1713 1714 ret = hns3_check_priv_flags(handle, changed); 1715 if (ret) 1716 return ret; 1717 1718 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1719 if (changed & BIT(i)) { 1720 bool enable = !(handle->priv_flags & BIT(i)); 1721 1722 if (enable) 1723 handle->priv_flags |= BIT(i); 1724 else 1725 handle->priv_flags &= ~BIT(i); 1726 hns3_priv_flags[i].handler(netdev, enable); 1727 } 1728 } 1729 1730 return 0; 1731 } 1732 1733 static int hns3_get_tunable(struct net_device *netdev, 1734 const struct ethtool_tunable *tuna, 1735 void *data) 1736 { 1737 struct hns3_nic_priv *priv = netdev_priv(netdev); 1738 struct hnae3_handle *h = priv->ae_handle; 1739 int ret = 0; 1740 1741 switch (tuna->id) { 1742 case ETHTOOL_TX_COPYBREAK: 1743 /* all the tx rings have the same tx_copybreak */ 1744 *(u32 *)data = priv->tx_copybreak; 1745 break; 1746 case ETHTOOL_RX_COPYBREAK: 1747 *(u32 *)data = priv->rx_copybreak; 1748 break; 1749 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1750 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1751 break; 1752 default: 1753 ret = -EOPNOTSUPP; 1754 break; 1755 } 1756 1757 return ret; 1758 } 1759 1760 static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1761 u32 data) 1762 { 1763 struct hns3_nic_priv *priv = netdev_priv(netdev); 1764 struct hnae3_handle *h = priv->ae_handle; 1765 int ret; 1766 1767 if (hns3_nic_resetting(netdev)) 1768 return -EBUSY; 1769 1770 h->kinfo.tx_spare_buf_size = data; 1771 1772 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1773 if (ret) 1774 return ret; 1775 1776 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1777 if (ret) 1778 return ret; 1779 1780 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1781 if (ret) 1782 return ret; 1783 1784 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1785 if (ret) 1786 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1787 1788 return ret; 1789 } 1790 1791 static int hns3_set_tunable(struct net_device *netdev, 1792 const struct ethtool_tunable *tuna, 1793 const void *data) 1794 { 1795 struct hns3_nic_priv *priv = netdev_priv(netdev); 1796 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1797 struct hnae3_handle *h = priv->ae_handle; 1798 int i, ret = 0; 1799 1800 switch (tuna->id) { 1801 case ETHTOOL_TX_COPYBREAK: 1802 priv->tx_copybreak = *(u32 *)data; 1803 1804 for (i = 0; i < h->kinfo.num_tqps; i++) 1805 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1806 1807 break; 1808 case ETHTOOL_RX_COPYBREAK: 1809 priv->rx_copybreak = *(u32 *)data; 1810 1811 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1812 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1813 1814 break; 1815 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1816 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1817 new_tx_spare_buf_size = *(u32 *)data; 1818 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 1819 if (ret) { 1820 int ret1; 1821 1822 netdev_warn(netdev, 1823 "change tx spare buf size fail, revert to old value\n"); 1824 ret1 = hns3_set_tx_spare_buf_size(netdev, 1825 old_tx_spare_buf_size); 1826 if (ret1) { 1827 netdev_err(netdev, 1828 "revert to old tx spare buf size fail\n"); 1829 return ret1; 1830 } 1831 1832 return ret; 1833 } 1834 break; 1835 default: 1836 ret = -EOPNOTSUPP; 1837 break; 1838 } 1839 1840 return ret; 1841 } 1842 1843 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1844 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1845 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1846 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1847 ETHTOOL_COALESCE_MAX_FRAMES | \ 1848 ETHTOOL_COALESCE_USE_CQE) 1849 1850 #define HNS3_ETHTOOL_RING ETHTOOL_RING_USE_RX_BUF_LEN 1851 1852 static int hns3_get_ts_info(struct net_device *netdev, 1853 struct ethtool_ts_info *info) 1854 { 1855 struct hnae3_handle *handle = hns3_get_handle(netdev); 1856 1857 if (handle->ae_algo->ops->get_ts_info) 1858 return handle->ae_algo->ops->get_ts_info(handle, info); 1859 1860 return ethtool_op_get_ts_info(netdev, info); 1861 } 1862 1863 static const struct hns3_ethtool_link_ext_state_mapping 1864 hns3_link_ext_state_map[] = { 1865 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1866 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 1867 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1868 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 1869 1870 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1871 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 1872 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1873 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 1874 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1875 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 1876 1877 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1878 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 1879 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1880 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 1881 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1882 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 1883 1884 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1885 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 1886 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1887 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 1888 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1889 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 1890 1891 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 1892 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 1893 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 1894 1895 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 1896 }; 1897 1898 static int hns3_get_link_ext_state(struct net_device *netdev, 1899 struct ethtool_link_ext_state_info *info) 1900 { 1901 const struct hns3_ethtool_link_ext_state_mapping *map; 1902 struct hnae3_handle *h = hns3_get_handle(netdev); 1903 u32 status_code, i; 1904 int ret; 1905 1906 if (netif_carrier_ok(netdev)) 1907 return -ENODATA; 1908 1909 if (!h->ae_algo->ops->get_link_diagnosis_info) 1910 return -EOPNOTSUPP; 1911 1912 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 1913 if (ret) 1914 return ret; 1915 1916 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 1917 map = &hns3_link_ext_state_map[i]; 1918 if (map->status_code == status_code) { 1919 info->link_ext_state = map->link_ext_state; 1920 info->__link_ext_substate = map->link_ext_substate; 1921 return 0; 1922 } 1923 } 1924 1925 return -ENODATA; 1926 } 1927 1928 static const struct ethtool_ops hns3vf_ethtool_ops = { 1929 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1930 .supported_ring_params = HNS3_ETHTOOL_RING, 1931 .get_drvinfo = hns3_get_drvinfo, 1932 .get_ringparam = hns3_get_ringparam, 1933 .set_ringparam = hns3_set_ringparam, 1934 .get_strings = hns3_get_strings, 1935 .get_ethtool_stats = hns3_get_stats, 1936 .get_sset_count = hns3_get_sset_count, 1937 .get_rxnfc = hns3_get_rxnfc, 1938 .set_rxnfc = hns3_set_rxnfc, 1939 .get_rxfh_key_size = hns3_get_rss_key_size, 1940 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1941 .get_rxfh = hns3_get_rss, 1942 .set_rxfh = hns3_set_rss, 1943 .get_link_ksettings = hns3_get_link_ksettings, 1944 .get_channels = hns3_get_channels, 1945 .set_channels = hns3_set_channels, 1946 .get_coalesce = hns3_get_coalesce, 1947 .set_coalesce = hns3_set_coalesce, 1948 .get_regs_len = hns3_get_regs_len, 1949 .get_regs = hns3_get_regs, 1950 .get_link = hns3_get_link, 1951 .get_msglevel = hns3_get_msglevel, 1952 .set_msglevel = hns3_set_msglevel, 1953 .get_priv_flags = hns3_get_priv_flags, 1954 .set_priv_flags = hns3_set_priv_flags, 1955 .get_tunable = hns3_get_tunable, 1956 .set_tunable = hns3_set_tunable, 1957 .reset = hns3_set_reset, 1958 }; 1959 1960 static const struct ethtool_ops hns3_ethtool_ops = { 1961 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1962 .supported_ring_params = HNS3_ETHTOOL_RING, 1963 .self_test = hns3_self_test, 1964 .get_drvinfo = hns3_get_drvinfo, 1965 .get_link = hns3_get_link, 1966 .get_ringparam = hns3_get_ringparam, 1967 .set_ringparam = hns3_set_ringparam, 1968 .get_pauseparam = hns3_get_pauseparam, 1969 .set_pauseparam = hns3_set_pauseparam, 1970 .get_strings = hns3_get_strings, 1971 .get_ethtool_stats = hns3_get_stats, 1972 .get_sset_count = hns3_get_sset_count, 1973 .get_rxnfc = hns3_get_rxnfc, 1974 .set_rxnfc = hns3_set_rxnfc, 1975 .get_rxfh_key_size = hns3_get_rss_key_size, 1976 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1977 .get_rxfh = hns3_get_rss, 1978 .set_rxfh = hns3_set_rss, 1979 .get_link_ksettings = hns3_get_link_ksettings, 1980 .set_link_ksettings = hns3_set_link_ksettings, 1981 .nway_reset = hns3_nway_reset, 1982 .get_channels = hns3_get_channels, 1983 .set_channels = hns3_set_channels, 1984 .get_coalesce = hns3_get_coalesce, 1985 .set_coalesce = hns3_set_coalesce, 1986 .get_regs_len = hns3_get_regs_len, 1987 .get_regs = hns3_get_regs, 1988 .set_phys_id = hns3_set_phys_id, 1989 .get_msglevel = hns3_get_msglevel, 1990 .set_msglevel = hns3_set_msglevel, 1991 .get_fecparam = hns3_get_fecparam, 1992 .set_fecparam = hns3_set_fecparam, 1993 .get_module_info = hns3_get_module_info, 1994 .get_module_eeprom = hns3_get_module_eeprom, 1995 .get_priv_flags = hns3_get_priv_flags, 1996 .set_priv_flags = hns3_set_priv_flags, 1997 .get_ts_info = hns3_get_ts_info, 1998 .get_tunable = hns3_get_tunable, 1999 .set_tunable = hns3_set_tunable, 2000 .reset = hns3_set_reset, 2001 .get_link_ext_state = hns3_get_link_ext_state, 2002 }; 2003 2004 void hns3_ethtool_set_ops(struct net_device *netdev) 2005 { 2006 struct hnae3_handle *h = hns3_get_handle(netdev); 2007 2008 if (h->flags & HNAE3_SUPPORT_VF) 2009 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2010 else 2011 netdev->ethtool_ops = &hns3_ethtool_ops; 2012 } 2013