1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/string.h> 6 #include <linux/phy.h> 7 8 #include "hns3_enet.h" 9 10 struct hns3_stats { 11 char stats_string[ETH_GSTRING_LEN]; 12 int stats_offset; 13 }; 14 15 /* tqp related stats */ 16 #define HNS3_TQP_STAT(_string, _member) { \ 17 .stats_string = _string, \ 18 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 19 offsetof(struct ring_stats, _member), \ 20 } 21 22 static const struct hns3_stats hns3_txq_stats[] = { 23 /* Tx per-queue statistics */ 24 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 25 HNS3_TQP_STAT("dropped", sw_err_cnt), 26 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 27 HNS3_TQP_STAT("packets", tx_pkts), 28 HNS3_TQP_STAT("bytes", tx_bytes), 29 HNS3_TQP_STAT("errors", tx_err_cnt), 30 HNS3_TQP_STAT("wake", restart_queue), 31 HNS3_TQP_STAT("busy", tx_busy), 32 HNS3_TQP_STAT("copy", tx_copy), 33 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 34 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 35 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 36 HNS3_TQP_STAT("tso_err", tx_tso_err), 37 }; 38 39 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 40 41 static const struct hns3_stats hns3_rxq_stats[] = { 42 /* Rx per-queue statistics */ 43 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 44 HNS3_TQP_STAT("dropped", sw_err_cnt), 45 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 46 HNS3_TQP_STAT("packets", rx_pkts), 47 HNS3_TQP_STAT("bytes", rx_bytes), 48 HNS3_TQP_STAT("errors", rx_err_cnt), 49 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 50 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 51 HNS3_TQP_STAT("err_bd_num", err_bd_num), 52 HNS3_TQP_STAT("l2_err", l2_err), 53 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 54 HNS3_TQP_STAT("multicast", rx_multicast), 55 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 56 }; 57 58 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 59 60 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 61 62 #define HNS3_SELF_TEST_TYPE_NUM 4 63 #define HNS3_NIC_LB_TEST_PKT_NUM 1 64 #define HNS3_NIC_LB_TEST_RING_ID 0 65 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 66 #define HNS3_NIC_LB_SETUP_USEC 10000 67 68 /* Nic loopback test err */ 69 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 70 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 71 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 72 73 struct hns3_link_mode_mapping { 74 u32 hns3_link_mode; 75 u32 ethtool_link_mode; 76 }; 77 78 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 79 { 80 struct hnae3_handle *h = hns3_get_handle(ndev); 81 bool vlan_filter_enable; 82 int ret; 83 84 if (!h->ae_algo->ops->set_loopback || 85 !h->ae_algo->ops->set_promisc_mode) 86 return -EOPNOTSUPP; 87 88 switch (loop) { 89 case HNAE3_LOOP_SERIAL_SERDES: 90 case HNAE3_LOOP_PARALLEL_SERDES: 91 case HNAE3_LOOP_APP: 92 case HNAE3_LOOP_PHY: 93 ret = h->ae_algo->ops->set_loopback(h, loop, en); 94 break; 95 default: 96 ret = -ENOTSUPP; 97 break; 98 } 99 100 if (ret || h->pdev->revision >= 0x21) 101 return ret; 102 103 if (en) { 104 h->ae_algo->ops->set_promisc_mode(h, true, true); 105 } else { 106 /* recover promisc mode before loopback test */ 107 hns3_update_promisc_mode(ndev, h->netdev_flags); 108 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 109 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 110 } 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 unsigned char *packet; 152 struct ethhdr *ethh; 153 unsigned int i; 154 155 skb_reserve(skb, NET_IP_ALIGN); 156 ethh = skb_put(skb, sizeof(struct ethhdr)); 157 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 158 159 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 160 161 /* The dst mac addr of loopback packet is the same as the host' 162 * mac addr, the SSU component may loop back the packet to host 163 * before the packet reaches mac or serdes, which will defect 164 * the purpose of mac or serdes selftest. 165 */ 166 handle = hns3_get_handle(ndev); 167 if (handle->pdev->revision == 0x20) 168 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 169 eth_zero_addr(ethh->h_source); 170 ethh->h_proto = htons(ETH_P_ARP); 171 skb_reset_mac_header(skb); 172 173 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 174 packet[i] = (unsigned char)(i & 0xff); 175 } 176 177 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 178 struct sk_buff *skb) 179 { 180 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 181 unsigned char *packet = skb->data; 182 u32 i; 183 184 for (i = 0; i < skb->len; i++) 185 if (packet[i] != (unsigned char)(i & 0xff)) 186 break; 187 188 /* The packet is correctly received */ 189 if (i == skb->len) 190 tqp_vector->rx_group.total_packets++; 191 else 192 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 193 skb->data, skb->len, true); 194 195 dev_kfree_skb_any(skb); 196 } 197 198 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 199 { 200 struct hnae3_handle *h = priv->ae_handle; 201 struct hnae3_knic_private_info *kinfo; 202 u32 i, rcv_good_pkt_total = 0; 203 204 kinfo = &h->kinfo; 205 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 206 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 207 struct hns3_enet_ring_group *rx_group; 208 u64 pre_rx_pkt; 209 210 rx_group = &ring->tqp_vector->rx_group; 211 pre_rx_pkt = rx_group->total_packets; 212 213 preempt_disable(); 214 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 215 preempt_enable(); 216 217 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 218 rx_group->total_packets = pre_rx_pkt; 219 } 220 return rcv_good_pkt_total; 221 } 222 223 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 224 u32 end_ringid, u32 budget) 225 { 226 u32 i; 227 228 for (i = start_ringid; i <= end_ringid; i++) { 229 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 230 231 hns3_clean_tx_ring(ring); 232 } 233 } 234 235 /** 236 * hns3_lp_run_test - run loopback test 237 * @ndev: net device 238 * @mode: loopback type 239 */ 240 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 241 { 242 struct hns3_nic_priv *priv = netdev_priv(ndev); 243 struct sk_buff *skb; 244 u32 i, good_cnt; 245 int ret_val = 0; 246 247 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 248 GFP_KERNEL); 249 if (!skb) 250 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 251 252 skb->dev = ndev; 253 hns3_lp_setup_skb(skb); 254 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 255 256 good_cnt = 0; 257 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 258 netdev_tx_t tx_ret; 259 260 skb_get(skb); 261 tx_ret = hns3_nic_net_xmit(skb, ndev); 262 if (tx_ret == NETDEV_TX_OK) { 263 good_cnt++; 264 } else { 265 kfree_skb(skb); 266 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 267 tx_ret); 268 } 269 } 270 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 271 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 272 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 273 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 274 goto out; 275 } 276 277 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 278 msleep(200); 279 280 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 281 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 282 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 283 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 284 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 285 } 286 287 out: 288 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 289 HNS3_NIC_LB_TEST_RING_ID, 290 HNS3_NIC_LB_TEST_PKT_NUM); 291 292 kfree_skb(skb); 293 return ret_val; 294 } 295 296 /** 297 * hns3_nic_self_test - self test 298 * @ndev: net device 299 * @eth_test: test cmd 300 * @data: test result 301 */ 302 static void hns3_self_test(struct net_device *ndev, 303 struct ethtool_test *eth_test, u64 *data) 304 { 305 struct hns3_nic_priv *priv = netdev_priv(ndev); 306 struct hnae3_handle *h = priv->ae_handle; 307 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 308 bool if_running = netif_running(ndev); 309 #if IS_ENABLED(CONFIG_VLAN_8021Q) 310 bool dis_vlan_filter; 311 #endif 312 int test_index = 0; 313 u32 i; 314 315 if (hns3_nic_resetting(ndev)) { 316 netdev_err(ndev, "dev resetting!"); 317 return; 318 } 319 320 /* Only do offline selftest, or pass by default */ 321 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 322 return; 323 324 netif_dbg(h, drv, ndev, "self test start"); 325 326 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 327 st_param[HNAE3_LOOP_APP][1] = 328 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 329 330 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 331 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 332 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 333 334 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 335 HNAE3_LOOP_PARALLEL_SERDES; 336 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 337 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 338 339 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 340 st_param[HNAE3_LOOP_PHY][1] = 341 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 342 343 if (if_running) 344 ndev->netdev_ops->ndo_stop(ndev); 345 346 #if IS_ENABLED(CONFIG_VLAN_8021Q) 347 /* Disable the vlan filter for selftest does not support it */ 348 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 349 h->ae_algo->ops->enable_vlan_filter; 350 if (dis_vlan_filter) 351 h->ae_algo->ops->enable_vlan_filter(h, false); 352 #endif 353 354 /* Tell firmware to stop mac autoneg before loopback test start, 355 * otherwise loopback test may be failed when the port is still 356 * negotiating. 357 */ 358 if (h->ae_algo->ops->halt_autoneg) 359 h->ae_algo->ops->halt_autoneg(h, true); 360 361 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 362 363 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 364 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 365 366 if (!st_param[i][1]) 367 continue; 368 369 data[test_index] = hns3_lp_up(ndev, loop_type); 370 if (!data[test_index]) 371 data[test_index] = hns3_lp_run_test(ndev, loop_type); 372 373 hns3_lp_down(ndev, loop_type); 374 375 if (data[test_index]) 376 eth_test->flags |= ETH_TEST_FL_FAILED; 377 378 test_index++; 379 } 380 381 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 382 383 if (h->ae_algo->ops->halt_autoneg) 384 h->ae_algo->ops->halt_autoneg(h, false); 385 386 #if IS_ENABLED(CONFIG_VLAN_8021Q) 387 if (dis_vlan_filter) 388 h->ae_algo->ops->enable_vlan_filter(h, true); 389 #endif 390 391 if (if_running) 392 ndev->netdev_ops->ndo_open(ndev); 393 394 netif_dbg(h, drv, ndev, "self test end\n"); 395 } 396 397 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 398 { 399 struct hnae3_handle *h = hns3_get_handle(netdev); 400 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 401 402 if (!ops->get_sset_count) 403 return -EOPNOTSUPP; 404 405 switch (stringset) { 406 case ETH_SS_STATS: 407 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 408 ops->get_sset_count(h, stringset)); 409 410 case ETH_SS_TEST: 411 return ops->get_sset_count(h, stringset); 412 413 default: 414 return -EOPNOTSUPP; 415 } 416 } 417 418 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 419 u32 stat_count, u32 num_tqps, const char *prefix) 420 { 421 #define MAX_PREFIX_SIZE (6 + 4) 422 u32 size_left; 423 u32 i, j; 424 u32 n1; 425 426 for (i = 0; i < num_tqps; i++) { 427 for (j = 0; j < stat_count; j++) { 428 data[ETH_GSTRING_LEN - 1] = '\0'; 429 430 /* first, prepend the prefix string */ 431 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 432 prefix, i); 433 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 434 size_left = (ETH_GSTRING_LEN - 1) - n1; 435 436 /* now, concatenate the stats string to it */ 437 strncat(data, stats[j].stats_string, size_left); 438 data += ETH_GSTRING_LEN; 439 } 440 } 441 442 return data; 443 } 444 445 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 446 { 447 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 448 const char tx_prefix[] = "txq"; 449 const char rx_prefix[] = "rxq"; 450 451 /* get strings for Tx */ 452 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 453 kinfo->num_tqps, tx_prefix); 454 455 /* get strings for Rx */ 456 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 457 kinfo->num_tqps, rx_prefix); 458 459 return data; 460 } 461 462 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 463 { 464 struct hnae3_handle *h = hns3_get_handle(netdev); 465 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 466 char *buff = (char *)data; 467 468 if (!ops->get_strings) 469 return; 470 471 switch (stringset) { 472 case ETH_SS_STATS: 473 buff = hns3_get_strings_tqps(h, buff); 474 ops->get_strings(h, stringset, (u8 *)buff); 475 break; 476 case ETH_SS_TEST: 477 ops->get_strings(h, stringset, data); 478 break; 479 default: 480 break; 481 } 482 } 483 484 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 485 { 486 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 487 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 488 struct hns3_enet_ring *ring; 489 u8 *stat; 490 int i, j; 491 492 /* get stats for Tx */ 493 for (i = 0; i < kinfo->num_tqps; i++) { 494 ring = nic_priv->ring_data[i].ring; 495 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 496 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 497 *data++ = *(u64 *)stat; 498 } 499 } 500 501 /* get stats for Rx */ 502 for (i = 0; i < kinfo->num_tqps; i++) { 503 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 504 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 505 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 506 *data++ = *(u64 *)stat; 507 } 508 } 509 510 return data; 511 } 512 513 /* hns3_get_stats - get detail statistics. 514 * @netdev: net device 515 * @stats: statistics info. 516 * @data: statistics data. 517 */ 518 static void hns3_get_stats(struct net_device *netdev, 519 struct ethtool_stats *stats, u64 *data) 520 { 521 struct hnae3_handle *h = hns3_get_handle(netdev); 522 u64 *p = data; 523 524 if (hns3_nic_resetting(netdev)) { 525 netdev_err(netdev, "dev resetting, could not get stats\n"); 526 return; 527 } 528 529 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 530 netdev_err(netdev, "could not get any statistics\n"); 531 return; 532 } 533 534 h->ae_algo->ops->update_stats(h, &netdev->stats); 535 536 /* get per-queue stats */ 537 p = hns3_get_stats_tqps(h, p); 538 539 /* get MAC & other misc hardware stats */ 540 h->ae_algo->ops->get_stats(h, p); 541 } 542 543 static void hns3_get_drvinfo(struct net_device *netdev, 544 struct ethtool_drvinfo *drvinfo) 545 { 546 struct hns3_nic_priv *priv = netdev_priv(netdev); 547 struct hnae3_handle *h = priv->ae_handle; 548 u32 fw_version; 549 550 if (!h->ae_algo->ops->get_fw_version) { 551 netdev_err(netdev, "could not get fw version!\n"); 552 return; 553 } 554 555 strncpy(drvinfo->version, hns3_driver_version, 556 sizeof(drvinfo->version)); 557 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 558 559 strncpy(drvinfo->driver, h->pdev->driver->name, 560 sizeof(drvinfo->driver)); 561 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 562 563 strncpy(drvinfo->bus_info, pci_name(h->pdev), 564 sizeof(drvinfo->bus_info)); 565 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 566 567 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 568 569 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 570 "%lu.%lu.%lu.%lu", 571 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 572 HNAE3_FW_VERSION_BYTE3_SHIFT), 573 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 574 HNAE3_FW_VERSION_BYTE2_SHIFT), 575 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 576 HNAE3_FW_VERSION_BYTE1_SHIFT), 577 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 578 HNAE3_FW_VERSION_BYTE0_SHIFT)); 579 } 580 581 static u32 hns3_get_link(struct net_device *netdev) 582 { 583 struct hnae3_handle *h = hns3_get_handle(netdev); 584 585 if (h->ae_algo->ops->get_status) 586 return h->ae_algo->ops->get_status(h); 587 else 588 return 0; 589 } 590 591 static void hns3_get_ringparam(struct net_device *netdev, 592 struct ethtool_ringparam *param) 593 { 594 struct hns3_nic_priv *priv = netdev_priv(netdev); 595 struct hnae3_handle *h = priv->ae_handle; 596 int queue_num = h->kinfo.num_tqps; 597 598 if (hns3_nic_resetting(netdev)) { 599 netdev_err(netdev, "dev resetting!"); 600 return; 601 } 602 603 param->tx_max_pending = HNS3_RING_MAX_PENDING; 604 param->rx_max_pending = HNS3_RING_MAX_PENDING; 605 606 param->tx_pending = priv->ring_data[0].ring->desc_num; 607 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 608 } 609 610 static void hns3_get_pauseparam(struct net_device *netdev, 611 struct ethtool_pauseparam *param) 612 { 613 struct hnae3_handle *h = hns3_get_handle(netdev); 614 615 if (h->ae_algo->ops->get_pauseparam) 616 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 617 ¶m->rx_pause, ¶m->tx_pause); 618 } 619 620 static int hns3_set_pauseparam(struct net_device *netdev, 621 struct ethtool_pauseparam *param) 622 { 623 struct hnae3_handle *h = hns3_get_handle(netdev); 624 625 netif_dbg(h, drv, netdev, 626 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 627 param->autoneg, param->rx_pause, param->tx_pause); 628 629 if (h->ae_algo->ops->set_pauseparam) 630 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 631 param->rx_pause, 632 param->tx_pause); 633 return -EOPNOTSUPP; 634 } 635 636 static void hns3_get_ksettings(struct hnae3_handle *h, 637 struct ethtool_link_ksettings *cmd) 638 { 639 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 640 641 /* 1.auto_neg & speed & duplex from cmd */ 642 if (ops->get_ksettings_an_result) 643 ops->get_ksettings_an_result(h, 644 &cmd->base.autoneg, 645 &cmd->base.speed, 646 &cmd->base.duplex); 647 648 /* 2.get link mode */ 649 if (ops->get_link_mode) 650 ops->get_link_mode(h, 651 cmd->link_modes.supported, 652 cmd->link_modes.advertising); 653 654 /* 3.mdix_ctrl&mdix get from phy reg */ 655 if (ops->get_mdix_mode) 656 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 657 &cmd->base.eth_tp_mdix); 658 } 659 660 static int hns3_get_link_ksettings(struct net_device *netdev, 661 struct ethtool_link_ksettings *cmd) 662 { 663 struct hnae3_handle *h = hns3_get_handle(netdev); 664 const struct hnae3_ae_ops *ops; 665 u8 module_type; 666 u8 media_type; 667 u8 link_stat; 668 669 ops = h->ae_algo->ops; 670 if (ops->get_media_type) 671 ops->get_media_type(h, &media_type, &module_type); 672 else 673 return -EOPNOTSUPP; 674 675 switch (media_type) { 676 case HNAE3_MEDIA_TYPE_NONE: 677 cmd->base.port = PORT_NONE; 678 hns3_get_ksettings(h, cmd); 679 break; 680 case HNAE3_MEDIA_TYPE_FIBER: 681 if (module_type == HNAE3_MODULE_TYPE_CR) 682 cmd->base.port = PORT_DA; 683 else 684 cmd->base.port = PORT_FIBRE; 685 686 hns3_get_ksettings(h, cmd); 687 break; 688 case HNAE3_MEDIA_TYPE_BACKPLANE: 689 cmd->base.port = PORT_NONE; 690 hns3_get_ksettings(h, cmd); 691 break; 692 case HNAE3_MEDIA_TYPE_COPPER: 693 cmd->base.port = PORT_TP; 694 if (!netdev->phydev) 695 hns3_get_ksettings(h, cmd); 696 else 697 phy_ethtool_ksettings_get(netdev->phydev, cmd); 698 break; 699 default: 700 701 netdev_warn(netdev, "Unknown media type"); 702 return 0; 703 } 704 705 /* mdio_support */ 706 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 707 708 link_stat = hns3_get_link(netdev); 709 if (!link_stat) { 710 cmd->base.speed = SPEED_UNKNOWN; 711 cmd->base.duplex = DUPLEX_UNKNOWN; 712 } 713 714 return 0; 715 } 716 717 static int hns3_check_ksettings_param(const struct net_device *netdev, 718 const struct ethtool_link_ksettings *cmd) 719 { 720 struct hnae3_handle *handle = hns3_get_handle(netdev); 721 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 722 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 723 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 724 u8 autoneg; 725 u32 speed; 726 u8 duplex; 727 int ret; 728 729 if (ops->get_ksettings_an_result) { 730 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 731 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 732 cmd->base.duplex == duplex) 733 return 0; 734 } 735 736 if (ops->get_media_type) 737 ops->get_media_type(handle, &media_type, &module_type); 738 739 if (cmd->base.duplex != DUPLEX_FULL && 740 media_type != HNAE3_MEDIA_TYPE_COPPER) { 741 netdev_err(netdev, 742 "only copper port supports half duplex!"); 743 return -EINVAL; 744 } 745 746 if (ops->check_port_speed) { 747 ret = ops->check_port_speed(handle, cmd->base.speed); 748 if (ret) { 749 netdev_err(netdev, "unsupported speed\n"); 750 return ret; 751 } 752 } 753 754 return 0; 755 } 756 757 static int hns3_set_link_ksettings(struct net_device *netdev, 758 const struct ethtool_link_ksettings *cmd) 759 { 760 struct hnae3_handle *handle = hns3_get_handle(netdev); 761 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 762 int ret; 763 764 /* Chip don't support this mode. */ 765 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 766 return -EINVAL; 767 768 netif_dbg(handle, drv, netdev, 769 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 770 netdev->phydev ? "phy" : "mac", 771 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 772 773 /* Only support ksettings_set for netdev with phy attached for now */ 774 if (netdev->phydev) 775 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 776 777 if (handle->pdev->revision == 0x20) 778 return -EOPNOTSUPP; 779 780 ret = hns3_check_ksettings_param(netdev, cmd); 781 if (ret) 782 return ret; 783 784 if (ops->set_autoneg) { 785 ret = ops->set_autoneg(handle, cmd->base.autoneg); 786 if (ret) 787 return ret; 788 } 789 790 if (ops->cfg_mac_speed_dup_h) 791 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 792 cmd->base.duplex); 793 794 return ret; 795 } 796 797 static u32 hns3_get_rss_key_size(struct net_device *netdev) 798 { 799 struct hnae3_handle *h = hns3_get_handle(netdev); 800 801 if (!h->ae_algo->ops->get_rss_key_size) 802 return 0; 803 804 return h->ae_algo->ops->get_rss_key_size(h); 805 } 806 807 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 808 { 809 struct hnae3_handle *h = hns3_get_handle(netdev); 810 811 if (!h->ae_algo->ops->get_rss_indir_size) 812 return 0; 813 814 return h->ae_algo->ops->get_rss_indir_size(h); 815 } 816 817 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 818 u8 *hfunc) 819 { 820 struct hnae3_handle *h = hns3_get_handle(netdev); 821 822 if (!h->ae_algo->ops->get_rss) 823 return -EOPNOTSUPP; 824 825 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 826 } 827 828 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 829 const u8 *key, const u8 hfunc) 830 { 831 struct hnae3_handle *h = hns3_get_handle(netdev); 832 833 if (!h->ae_algo->ops->set_rss) 834 return -EOPNOTSUPP; 835 836 if ((h->pdev->revision == 0x20 && 837 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 838 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 839 netdev_err(netdev, "hash func not supported\n"); 840 return -EOPNOTSUPP; 841 } 842 843 if (!indir) { 844 netdev_err(netdev, 845 "set rss failed for indir is empty\n"); 846 return -EOPNOTSUPP; 847 } 848 849 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 850 } 851 852 static int hns3_get_rxnfc(struct net_device *netdev, 853 struct ethtool_rxnfc *cmd, 854 u32 *rule_locs) 855 { 856 struct hnae3_handle *h = hns3_get_handle(netdev); 857 858 switch (cmd->cmd) { 859 case ETHTOOL_GRXRINGS: 860 cmd->data = h->kinfo.num_tqps; 861 return 0; 862 case ETHTOOL_GRXFH: 863 if (h->ae_algo->ops->get_rss_tuple) 864 return h->ae_algo->ops->get_rss_tuple(h, cmd); 865 return -EOPNOTSUPP; 866 case ETHTOOL_GRXCLSRLCNT: 867 if (h->ae_algo->ops->get_fd_rule_cnt) 868 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 869 return -EOPNOTSUPP; 870 case ETHTOOL_GRXCLSRULE: 871 if (h->ae_algo->ops->get_fd_rule_info) 872 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 873 return -EOPNOTSUPP; 874 case ETHTOOL_GRXCLSRLALL: 875 if (h->ae_algo->ops->get_fd_all_rules) 876 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 877 rule_locs); 878 return -EOPNOTSUPP; 879 default: 880 return -EOPNOTSUPP; 881 } 882 } 883 884 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 885 u32 tx_desc_num, u32 rx_desc_num) 886 { 887 struct hnae3_handle *h = priv->ae_handle; 888 int i; 889 890 h->kinfo.num_tx_desc = tx_desc_num; 891 h->kinfo.num_rx_desc = rx_desc_num; 892 893 for (i = 0; i < h->kinfo.num_tqps; i++) { 894 priv->ring_data[i].ring->desc_num = tx_desc_num; 895 priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num = 896 rx_desc_num; 897 } 898 } 899 900 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 901 { 902 struct hnae3_handle *handle = priv->ae_handle; 903 struct hns3_enet_ring *tmp_rings; 904 int i; 905 906 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 907 sizeof(struct hns3_enet_ring), GFP_KERNEL); 908 if (!tmp_rings) 909 return NULL; 910 911 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 912 memcpy(&tmp_rings[i], priv->ring_data[i].ring, 913 sizeof(struct hns3_enet_ring)); 914 tmp_rings[i].skb = NULL; 915 } 916 917 return tmp_rings; 918 } 919 920 static int hns3_check_ringparam(struct net_device *ndev, 921 struct ethtool_ringparam *param) 922 { 923 if (hns3_nic_resetting(ndev)) 924 return -EBUSY; 925 926 if (param->rx_mini_pending || param->rx_jumbo_pending) 927 return -EINVAL; 928 929 if (param->tx_pending > HNS3_RING_MAX_PENDING || 930 param->tx_pending < HNS3_RING_MIN_PENDING || 931 param->rx_pending > HNS3_RING_MAX_PENDING || 932 param->rx_pending < HNS3_RING_MIN_PENDING) { 933 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 934 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 935 return -EINVAL; 936 } 937 938 return 0; 939 } 940 941 static int hns3_set_ringparam(struct net_device *ndev, 942 struct ethtool_ringparam *param) 943 { 944 struct hns3_nic_priv *priv = netdev_priv(ndev); 945 struct hnae3_handle *h = priv->ae_handle; 946 struct hns3_enet_ring *tmp_rings; 947 bool if_running = netif_running(ndev); 948 u32 old_tx_desc_num, new_tx_desc_num; 949 u32 old_rx_desc_num, new_rx_desc_num; 950 u16 queue_num = h->kinfo.num_tqps; 951 int ret, i; 952 953 ret = hns3_check_ringparam(ndev, param); 954 if (ret) 955 return ret; 956 957 /* Hardware requires that its descriptors must be multiple of eight */ 958 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 959 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 960 old_tx_desc_num = priv->ring_data[0].ring->desc_num; 961 old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num; 962 if (old_tx_desc_num == new_tx_desc_num && 963 old_rx_desc_num == new_rx_desc_num) 964 return 0; 965 966 tmp_rings = hns3_backup_ringparam(priv); 967 if (!tmp_rings) { 968 netdev_err(ndev, 969 "backup ring param failed by allocating memory fail\n"); 970 return -ENOMEM; 971 } 972 973 netdev_info(ndev, 974 "Changing Tx/Rx ring depth from %d/%d to %d/%d\n", 975 old_tx_desc_num, old_rx_desc_num, 976 new_tx_desc_num, new_rx_desc_num); 977 978 if (if_running) 979 ndev->netdev_ops->ndo_stop(ndev); 980 981 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 982 ret = hns3_init_all_ring(priv); 983 if (ret) { 984 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 985 ret); 986 987 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 988 old_rx_desc_num); 989 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 990 memcpy(priv->ring_data[i].ring, &tmp_rings[i], 991 sizeof(struct hns3_enet_ring)); 992 } else { 993 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 994 hns3_fini_ring(&tmp_rings[i]); 995 } 996 997 kfree(tmp_rings); 998 999 if (if_running) 1000 ret = ndev->netdev_ops->ndo_open(ndev); 1001 1002 return ret; 1003 } 1004 1005 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1006 { 1007 struct hnae3_handle *h = hns3_get_handle(netdev); 1008 1009 switch (cmd->cmd) { 1010 case ETHTOOL_SRXFH: 1011 if (h->ae_algo->ops->set_rss_tuple) 1012 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1013 return -EOPNOTSUPP; 1014 case ETHTOOL_SRXCLSRLINS: 1015 if (h->ae_algo->ops->add_fd_entry) 1016 return h->ae_algo->ops->add_fd_entry(h, cmd); 1017 return -EOPNOTSUPP; 1018 case ETHTOOL_SRXCLSRLDEL: 1019 if (h->ae_algo->ops->del_fd_entry) 1020 return h->ae_algo->ops->del_fd_entry(h, cmd); 1021 return -EOPNOTSUPP; 1022 default: 1023 return -EOPNOTSUPP; 1024 } 1025 } 1026 1027 static int hns3_nway_reset(struct net_device *netdev) 1028 { 1029 struct hnae3_handle *handle = hns3_get_handle(netdev); 1030 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1031 struct phy_device *phy = netdev->phydev; 1032 int autoneg; 1033 1034 if (!netif_running(netdev)) 1035 return 0; 1036 1037 if (hns3_nic_resetting(netdev)) { 1038 netdev_err(netdev, "dev resetting!"); 1039 return -EBUSY; 1040 } 1041 1042 if (!ops->get_autoneg || !ops->restart_autoneg) 1043 return -EOPNOTSUPP; 1044 1045 autoneg = ops->get_autoneg(handle); 1046 if (autoneg != AUTONEG_ENABLE) { 1047 netdev_err(netdev, 1048 "Autoneg is off, don't support to restart it\n"); 1049 return -EINVAL; 1050 } 1051 1052 netif_dbg(handle, drv, netdev, 1053 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1054 1055 if (phy) 1056 return genphy_restart_aneg(phy); 1057 1058 if (handle->pdev->revision == 0x20) 1059 return -EOPNOTSUPP; 1060 1061 return ops->restart_autoneg(handle); 1062 } 1063 1064 static void hns3_get_channels(struct net_device *netdev, 1065 struct ethtool_channels *ch) 1066 { 1067 struct hnae3_handle *h = hns3_get_handle(netdev); 1068 1069 if (h->ae_algo->ops->get_channels) 1070 h->ae_algo->ops->get_channels(h, ch); 1071 } 1072 1073 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1074 struct ethtool_coalesce *cmd) 1075 { 1076 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1077 struct hns3_nic_priv *priv = netdev_priv(netdev); 1078 struct hnae3_handle *h = priv->ae_handle; 1079 u16 queue_num = h->kinfo.num_tqps; 1080 1081 if (hns3_nic_resetting(netdev)) 1082 return -EBUSY; 1083 1084 if (queue >= queue_num) { 1085 netdev_err(netdev, 1086 "Invalid queue value %d! Queue max id=%d\n", 1087 queue, queue_num - 1); 1088 return -EINVAL; 1089 } 1090 1091 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1092 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1093 1094 cmd->use_adaptive_tx_coalesce = 1095 tx_vector->tx_group.coal.gl_adapt_enable; 1096 cmd->use_adaptive_rx_coalesce = 1097 rx_vector->rx_group.coal.gl_adapt_enable; 1098 1099 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1100 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1101 1102 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1103 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1104 1105 return 0; 1106 } 1107 1108 static int hns3_get_coalesce(struct net_device *netdev, 1109 struct ethtool_coalesce *cmd) 1110 { 1111 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1112 } 1113 1114 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1115 struct ethtool_coalesce *cmd) 1116 { 1117 u32 rx_gl, tx_gl; 1118 1119 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1120 netdev_err(netdev, 1121 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1122 HNS3_INT_GL_MAX); 1123 return -EINVAL; 1124 } 1125 1126 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1127 netdev_err(netdev, 1128 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1129 HNS3_INT_GL_MAX); 1130 return -EINVAL; 1131 } 1132 1133 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1134 if (rx_gl != cmd->rx_coalesce_usecs) { 1135 netdev_info(netdev, 1136 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1137 cmd->rx_coalesce_usecs, rx_gl); 1138 } 1139 1140 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1141 if (tx_gl != cmd->tx_coalesce_usecs) { 1142 netdev_info(netdev, 1143 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1144 cmd->tx_coalesce_usecs, tx_gl); 1145 } 1146 1147 return 0; 1148 } 1149 1150 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1151 struct ethtool_coalesce *cmd) 1152 { 1153 u32 rl; 1154 1155 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1156 netdev_err(netdev, 1157 "tx_usecs_high must be same as rx_usecs_high.\n"); 1158 return -EINVAL; 1159 } 1160 1161 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1162 netdev_err(netdev, 1163 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1164 HNS3_INT_RL_MAX); 1165 return -EINVAL; 1166 } 1167 1168 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1169 if (rl != cmd->rx_coalesce_usecs_high) { 1170 netdev_info(netdev, 1171 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 1172 cmd->rx_coalesce_usecs_high, rl); 1173 } 1174 1175 return 0; 1176 } 1177 1178 static int hns3_check_coalesce_para(struct net_device *netdev, 1179 struct ethtool_coalesce *cmd) 1180 { 1181 int ret; 1182 1183 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1184 if (ret) { 1185 netdev_err(netdev, 1186 "Check gl coalesce param fail. ret = %d\n", ret); 1187 return ret; 1188 } 1189 1190 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1191 if (ret) { 1192 netdev_err(netdev, 1193 "Check rl coalesce param fail. ret = %d\n", ret); 1194 return ret; 1195 } 1196 1197 if (cmd->use_adaptive_tx_coalesce == 1 || 1198 cmd->use_adaptive_rx_coalesce == 1) { 1199 netdev_info(netdev, 1200 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1201 cmd->use_adaptive_tx_coalesce, 1202 cmd->use_adaptive_rx_coalesce); 1203 } 1204 1205 return 0; 1206 } 1207 1208 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1209 struct ethtool_coalesce *cmd, 1210 u32 queue) 1211 { 1212 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1213 struct hns3_nic_priv *priv = netdev_priv(netdev); 1214 struct hnae3_handle *h = priv->ae_handle; 1215 int queue_num = h->kinfo.num_tqps; 1216 1217 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1218 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1219 1220 tx_vector->tx_group.coal.gl_adapt_enable = 1221 cmd->use_adaptive_tx_coalesce; 1222 rx_vector->rx_group.coal.gl_adapt_enable = 1223 cmd->use_adaptive_rx_coalesce; 1224 1225 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1226 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1227 1228 hns3_set_vector_coalesce_tx_gl(tx_vector, 1229 tx_vector->tx_group.coal.int_gl); 1230 hns3_set_vector_coalesce_rx_gl(rx_vector, 1231 rx_vector->rx_group.coal.int_gl); 1232 1233 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1234 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1235 } 1236 1237 static int hns3_set_coalesce(struct net_device *netdev, 1238 struct ethtool_coalesce *cmd) 1239 { 1240 struct hnae3_handle *h = hns3_get_handle(netdev); 1241 u16 queue_num = h->kinfo.num_tqps; 1242 int ret; 1243 int i; 1244 1245 if (hns3_nic_resetting(netdev)) 1246 return -EBUSY; 1247 1248 ret = hns3_check_coalesce_para(netdev, cmd); 1249 if (ret) 1250 return ret; 1251 1252 h->kinfo.int_rl_setting = 1253 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1254 1255 for (i = 0; i < queue_num; i++) 1256 hns3_set_coalesce_per_queue(netdev, cmd, i); 1257 1258 return 0; 1259 } 1260 1261 static int hns3_get_regs_len(struct net_device *netdev) 1262 { 1263 struct hnae3_handle *h = hns3_get_handle(netdev); 1264 1265 if (!h->ae_algo->ops->get_regs_len) 1266 return -EOPNOTSUPP; 1267 1268 return h->ae_algo->ops->get_regs_len(h); 1269 } 1270 1271 static void hns3_get_regs(struct net_device *netdev, 1272 struct ethtool_regs *cmd, void *data) 1273 { 1274 struct hnae3_handle *h = hns3_get_handle(netdev); 1275 1276 if (!h->ae_algo->ops->get_regs) 1277 return; 1278 1279 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1280 } 1281 1282 static int hns3_set_phys_id(struct net_device *netdev, 1283 enum ethtool_phys_id_state state) 1284 { 1285 struct hnae3_handle *h = hns3_get_handle(netdev); 1286 1287 if (!h->ae_algo->ops->set_led_id) 1288 return -EOPNOTSUPP; 1289 1290 return h->ae_algo->ops->set_led_id(h, state); 1291 } 1292 1293 static u32 hns3_get_msglevel(struct net_device *netdev) 1294 { 1295 struct hnae3_handle *h = hns3_get_handle(netdev); 1296 1297 return h->msg_enable; 1298 } 1299 1300 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1301 { 1302 struct hnae3_handle *h = hns3_get_handle(netdev); 1303 1304 h->msg_enable = msg_level; 1305 } 1306 1307 /* Translate local fec value into ethtool value. */ 1308 static unsigned int loc_to_eth_fec(u8 loc_fec) 1309 { 1310 u32 eth_fec = 0; 1311 1312 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1313 eth_fec |= ETHTOOL_FEC_AUTO; 1314 if (loc_fec & BIT(HNAE3_FEC_RS)) 1315 eth_fec |= ETHTOOL_FEC_RS; 1316 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1317 eth_fec |= ETHTOOL_FEC_BASER; 1318 1319 /* if nothing is set, then FEC is off */ 1320 if (!eth_fec) 1321 eth_fec = ETHTOOL_FEC_OFF; 1322 1323 return eth_fec; 1324 } 1325 1326 /* Translate ethtool fec value into local value. */ 1327 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1328 { 1329 u32 loc_fec = 0; 1330 1331 if (eth_fec & ETHTOOL_FEC_OFF) 1332 return loc_fec; 1333 1334 if (eth_fec & ETHTOOL_FEC_AUTO) 1335 loc_fec |= BIT(HNAE3_FEC_AUTO); 1336 if (eth_fec & ETHTOOL_FEC_RS) 1337 loc_fec |= BIT(HNAE3_FEC_RS); 1338 if (eth_fec & ETHTOOL_FEC_BASER) 1339 loc_fec |= BIT(HNAE3_FEC_BASER); 1340 1341 return loc_fec; 1342 } 1343 1344 static int hns3_get_fecparam(struct net_device *netdev, 1345 struct ethtool_fecparam *fec) 1346 { 1347 struct hnae3_handle *handle = hns3_get_handle(netdev); 1348 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1349 u8 fec_ability; 1350 u8 fec_mode; 1351 1352 if (handle->pdev->revision == 0x20) 1353 return -EOPNOTSUPP; 1354 1355 if (!ops->get_fec) 1356 return -EOPNOTSUPP; 1357 1358 ops->get_fec(handle, &fec_ability, &fec_mode); 1359 1360 fec->fec = loc_to_eth_fec(fec_ability); 1361 fec->active_fec = loc_to_eth_fec(fec_mode); 1362 1363 return 0; 1364 } 1365 1366 static int hns3_set_fecparam(struct net_device *netdev, 1367 struct ethtool_fecparam *fec) 1368 { 1369 struct hnae3_handle *handle = hns3_get_handle(netdev); 1370 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1371 u32 fec_mode; 1372 1373 if (handle->pdev->revision == 0x20) 1374 return -EOPNOTSUPP; 1375 1376 if (!ops->set_fec) 1377 return -EOPNOTSUPP; 1378 fec_mode = eth_to_loc_fec(fec->fec); 1379 1380 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1381 1382 return ops->set_fec(handle, fec_mode); 1383 } 1384 1385 static const struct ethtool_ops hns3vf_ethtool_ops = { 1386 .get_drvinfo = hns3_get_drvinfo, 1387 .get_ringparam = hns3_get_ringparam, 1388 .set_ringparam = hns3_set_ringparam, 1389 .get_strings = hns3_get_strings, 1390 .get_ethtool_stats = hns3_get_stats, 1391 .get_sset_count = hns3_get_sset_count, 1392 .get_rxnfc = hns3_get_rxnfc, 1393 .set_rxnfc = hns3_set_rxnfc, 1394 .get_rxfh_key_size = hns3_get_rss_key_size, 1395 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1396 .get_rxfh = hns3_get_rss, 1397 .set_rxfh = hns3_set_rss, 1398 .get_link_ksettings = hns3_get_link_ksettings, 1399 .get_channels = hns3_get_channels, 1400 .get_coalesce = hns3_get_coalesce, 1401 .set_coalesce = hns3_set_coalesce, 1402 .get_regs_len = hns3_get_regs_len, 1403 .get_regs = hns3_get_regs, 1404 .get_link = hns3_get_link, 1405 .get_msglevel = hns3_get_msglevel, 1406 .set_msglevel = hns3_set_msglevel, 1407 }; 1408 1409 static const struct ethtool_ops hns3_ethtool_ops = { 1410 .self_test = hns3_self_test, 1411 .get_drvinfo = hns3_get_drvinfo, 1412 .get_link = hns3_get_link, 1413 .get_ringparam = hns3_get_ringparam, 1414 .set_ringparam = hns3_set_ringparam, 1415 .get_pauseparam = hns3_get_pauseparam, 1416 .set_pauseparam = hns3_set_pauseparam, 1417 .get_strings = hns3_get_strings, 1418 .get_ethtool_stats = hns3_get_stats, 1419 .get_sset_count = hns3_get_sset_count, 1420 .get_rxnfc = hns3_get_rxnfc, 1421 .set_rxnfc = hns3_set_rxnfc, 1422 .get_rxfh_key_size = hns3_get_rss_key_size, 1423 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1424 .get_rxfh = hns3_get_rss, 1425 .set_rxfh = hns3_set_rss, 1426 .get_link_ksettings = hns3_get_link_ksettings, 1427 .set_link_ksettings = hns3_set_link_ksettings, 1428 .nway_reset = hns3_nway_reset, 1429 .get_channels = hns3_get_channels, 1430 .set_channels = hns3_set_channels, 1431 .get_coalesce = hns3_get_coalesce, 1432 .set_coalesce = hns3_set_coalesce, 1433 .get_regs_len = hns3_get_regs_len, 1434 .get_regs = hns3_get_regs, 1435 .set_phys_id = hns3_set_phys_id, 1436 .get_msglevel = hns3_get_msglevel, 1437 .set_msglevel = hns3_set_msglevel, 1438 .get_fecparam = hns3_get_fecparam, 1439 .set_fecparam = hns3_set_fecparam, 1440 }; 1441 1442 void hns3_ethtool_set_ops(struct net_device *netdev) 1443 { 1444 struct hnae3_handle *h = hns3_get_handle(netdev); 1445 1446 if (h->flags & HNAE3_SUPPORT_VF) 1447 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1448 else 1449 netdev->ethtool_ops = &hns3_ethtool_ops; 1450 } 1451