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 /* hw doesn't support use specified speed and duplex to negotiate, 730 * unnecessary to check them when autoneg on. 731 */ 732 if (cmd->base.autoneg) 733 return 0; 734 735 if (ops->get_ksettings_an_result) { 736 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 737 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 738 cmd->base.duplex == duplex) 739 return 0; 740 } 741 742 if (ops->get_media_type) 743 ops->get_media_type(handle, &media_type, &module_type); 744 745 if (cmd->base.duplex != DUPLEX_FULL && 746 media_type != HNAE3_MEDIA_TYPE_COPPER) { 747 netdev_err(netdev, 748 "only copper port supports half duplex!"); 749 return -EINVAL; 750 } 751 752 if (ops->check_port_speed) { 753 ret = ops->check_port_speed(handle, cmd->base.speed); 754 if (ret) { 755 netdev_err(netdev, "unsupported speed\n"); 756 return ret; 757 } 758 } 759 760 return 0; 761 } 762 763 static int hns3_set_link_ksettings(struct net_device *netdev, 764 const struct ethtool_link_ksettings *cmd) 765 { 766 struct hnae3_handle *handle = hns3_get_handle(netdev); 767 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 768 int ret; 769 770 /* Chip don't support this mode. */ 771 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 772 return -EINVAL; 773 774 netif_dbg(handle, drv, netdev, 775 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 776 netdev->phydev ? "phy" : "mac", 777 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 778 779 /* Only support ksettings_set for netdev with phy attached for now */ 780 if (netdev->phydev) 781 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 782 783 if (handle->pdev->revision == 0x20) 784 return -EOPNOTSUPP; 785 786 ret = hns3_check_ksettings_param(netdev, cmd); 787 if (ret) 788 return ret; 789 790 if (ops->set_autoneg) { 791 ret = ops->set_autoneg(handle, cmd->base.autoneg); 792 if (ret) 793 return ret; 794 } 795 796 /* hw doesn't support use specified speed and duplex to negotiate, 797 * ignore them when autoneg on. 798 */ 799 if (cmd->base.autoneg) { 800 netdev_info(netdev, 801 "autoneg is on, ignore the speed and duplex\n"); 802 return 0; 803 } 804 805 if (ops->cfg_mac_speed_dup_h) 806 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 807 cmd->base.duplex); 808 809 return ret; 810 } 811 812 static u32 hns3_get_rss_key_size(struct net_device *netdev) 813 { 814 struct hnae3_handle *h = hns3_get_handle(netdev); 815 816 if (!h->ae_algo->ops->get_rss_key_size) 817 return 0; 818 819 return h->ae_algo->ops->get_rss_key_size(h); 820 } 821 822 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 823 { 824 struct hnae3_handle *h = hns3_get_handle(netdev); 825 826 if (!h->ae_algo->ops->get_rss_indir_size) 827 return 0; 828 829 return h->ae_algo->ops->get_rss_indir_size(h); 830 } 831 832 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 833 u8 *hfunc) 834 { 835 struct hnae3_handle *h = hns3_get_handle(netdev); 836 837 if (!h->ae_algo->ops->get_rss) 838 return -EOPNOTSUPP; 839 840 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 841 } 842 843 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 844 const u8 *key, const u8 hfunc) 845 { 846 struct hnae3_handle *h = hns3_get_handle(netdev); 847 848 if (!h->ae_algo->ops->set_rss) 849 return -EOPNOTSUPP; 850 851 if ((h->pdev->revision == 0x20 && 852 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 853 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 854 netdev_err(netdev, "hash func not supported\n"); 855 return -EOPNOTSUPP; 856 } 857 858 if (!indir) { 859 netdev_err(netdev, 860 "set rss failed for indir is empty\n"); 861 return -EOPNOTSUPP; 862 } 863 864 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 865 } 866 867 static int hns3_get_rxnfc(struct net_device *netdev, 868 struct ethtool_rxnfc *cmd, 869 u32 *rule_locs) 870 { 871 struct hnae3_handle *h = hns3_get_handle(netdev); 872 873 switch (cmd->cmd) { 874 case ETHTOOL_GRXRINGS: 875 cmd->data = h->kinfo.num_tqps; 876 return 0; 877 case ETHTOOL_GRXFH: 878 if (h->ae_algo->ops->get_rss_tuple) 879 return h->ae_algo->ops->get_rss_tuple(h, cmd); 880 return -EOPNOTSUPP; 881 case ETHTOOL_GRXCLSRLCNT: 882 if (h->ae_algo->ops->get_fd_rule_cnt) 883 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 884 return -EOPNOTSUPP; 885 case ETHTOOL_GRXCLSRULE: 886 if (h->ae_algo->ops->get_fd_rule_info) 887 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 888 return -EOPNOTSUPP; 889 case ETHTOOL_GRXCLSRLALL: 890 if (h->ae_algo->ops->get_fd_all_rules) 891 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 892 rule_locs); 893 return -EOPNOTSUPP; 894 default: 895 return -EOPNOTSUPP; 896 } 897 } 898 899 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 900 u32 tx_desc_num, u32 rx_desc_num) 901 { 902 struct hnae3_handle *h = priv->ae_handle; 903 int i; 904 905 h->kinfo.num_tx_desc = tx_desc_num; 906 h->kinfo.num_rx_desc = rx_desc_num; 907 908 for (i = 0; i < h->kinfo.num_tqps; i++) { 909 priv->ring_data[i].ring->desc_num = tx_desc_num; 910 priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num = 911 rx_desc_num; 912 } 913 } 914 915 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 916 { 917 struct hnae3_handle *handle = priv->ae_handle; 918 struct hns3_enet_ring *tmp_rings; 919 int i; 920 921 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 922 sizeof(struct hns3_enet_ring), GFP_KERNEL); 923 if (!tmp_rings) 924 return NULL; 925 926 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 927 memcpy(&tmp_rings[i], priv->ring_data[i].ring, 928 sizeof(struct hns3_enet_ring)); 929 tmp_rings[i].skb = NULL; 930 } 931 932 return tmp_rings; 933 } 934 935 static int hns3_check_ringparam(struct net_device *ndev, 936 struct ethtool_ringparam *param) 937 { 938 if (hns3_nic_resetting(ndev)) 939 return -EBUSY; 940 941 if (param->rx_mini_pending || param->rx_jumbo_pending) 942 return -EINVAL; 943 944 if (param->tx_pending > HNS3_RING_MAX_PENDING || 945 param->tx_pending < HNS3_RING_MIN_PENDING || 946 param->rx_pending > HNS3_RING_MAX_PENDING || 947 param->rx_pending < HNS3_RING_MIN_PENDING) { 948 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 949 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 950 return -EINVAL; 951 } 952 953 return 0; 954 } 955 956 static int hns3_set_ringparam(struct net_device *ndev, 957 struct ethtool_ringparam *param) 958 { 959 struct hns3_nic_priv *priv = netdev_priv(ndev); 960 struct hnae3_handle *h = priv->ae_handle; 961 struct hns3_enet_ring *tmp_rings; 962 bool if_running = netif_running(ndev); 963 u32 old_tx_desc_num, new_tx_desc_num; 964 u32 old_rx_desc_num, new_rx_desc_num; 965 u16 queue_num = h->kinfo.num_tqps; 966 int ret, i; 967 968 ret = hns3_check_ringparam(ndev, param); 969 if (ret) 970 return ret; 971 972 /* Hardware requires that its descriptors must be multiple of eight */ 973 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 974 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 975 old_tx_desc_num = priv->ring_data[0].ring->desc_num; 976 old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num; 977 if (old_tx_desc_num == new_tx_desc_num && 978 old_rx_desc_num == new_rx_desc_num) 979 return 0; 980 981 tmp_rings = hns3_backup_ringparam(priv); 982 if (!tmp_rings) { 983 netdev_err(ndev, 984 "backup ring param failed by allocating memory fail\n"); 985 return -ENOMEM; 986 } 987 988 netdev_info(ndev, 989 "Changing Tx/Rx ring depth from %d/%d to %d/%d\n", 990 old_tx_desc_num, old_rx_desc_num, 991 new_tx_desc_num, new_rx_desc_num); 992 993 if (if_running) 994 ndev->netdev_ops->ndo_stop(ndev); 995 996 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 997 ret = hns3_init_all_ring(priv); 998 if (ret) { 999 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1000 ret); 1001 1002 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1003 old_rx_desc_num); 1004 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1005 memcpy(priv->ring_data[i].ring, &tmp_rings[i], 1006 sizeof(struct hns3_enet_ring)); 1007 } else { 1008 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1009 hns3_fini_ring(&tmp_rings[i]); 1010 } 1011 1012 kfree(tmp_rings); 1013 1014 if (if_running) 1015 ret = ndev->netdev_ops->ndo_open(ndev); 1016 1017 return ret; 1018 } 1019 1020 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1021 { 1022 struct hnae3_handle *h = hns3_get_handle(netdev); 1023 1024 switch (cmd->cmd) { 1025 case ETHTOOL_SRXFH: 1026 if (h->ae_algo->ops->set_rss_tuple) 1027 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1028 return -EOPNOTSUPP; 1029 case ETHTOOL_SRXCLSRLINS: 1030 if (h->ae_algo->ops->add_fd_entry) 1031 return h->ae_algo->ops->add_fd_entry(h, cmd); 1032 return -EOPNOTSUPP; 1033 case ETHTOOL_SRXCLSRLDEL: 1034 if (h->ae_algo->ops->del_fd_entry) 1035 return h->ae_algo->ops->del_fd_entry(h, cmd); 1036 return -EOPNOTSUPP; 1037 default: 1038 return -EOPNOTSUPP; 1039 } 1040 } 1041 1042 static int hns3_nway_reset(struct net_device *netdev) 1043 { 1044 struct hnae3_handle *handle = hns3_get_handle(netdev); 1045 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1046 struct phy_device *phy = netdev->phydev; 1047 int autoneg; 1048 1049 if (!netif_running(netdev)) 1050 return 0; 1051 1052 if (hns3_nic_resetting(netdev)) { 1053 netdev_err(netdev, "dev resetting!"); 1054 return -EBUSY; 1055 } 1056 1057 if (!ops->get_autoneg || !ops->restart_autoneg) 1058 return -EOPNOTSUPP; 1059 1060 autoneg = ops->get_autoneg(handle); 1061 if (autoneg != AUTONEG_ENABLE) { 1062 netdev_err(netdev, 1063 "Autoneg is off, don't support to restart it\n"); 1064 return -EINVAL; 1065 } 1066 1067 netif_dbg(handle, drv, netdev, 1068 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1069 1070 if (phy) 1071 return genphy_restart_aneg(phy); 1072 1073 if (handle->pdev->revision == 0x20) 1074 return -EOPNOTSUPP; 1075 1076 return ops->restart_autoneg(handle); 1077 } 1078 1079 static void hns3_get_channels(struct net_device *netdev, 1080 struct ethtool_channels *ch) 1081 { 1082 struct hnae3_handle *h = hns3_get_handle(netdev); 1083 1084 if (h->ae_algo->ops->get_channels) 1085 h->ae_algo->ops->get_channels(h, ch); 1086 } 1087 1088 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1089 struct ethtool_coalesce *cmd) 1090 { 1091 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1092 struct hns3_nic_priv *priv = netdev_priv(netdev); 1093 struct hnae3_handle *h = priv->ae_handle; 1094 u16 queue_num = h->kinfo.num_tqps; 1095 1096 if (hns3_nic_resetting(netdev)) 1097 return -EBUSY; 1098 1099 if (queue >= queue_num) { 1100 netdev_err(netdev, 1101 "Invalid queue value %d! Queue max id=%d\n", 1102 queue, queue_num - 1); 1103 return -EINVAL; 1104 } 1105 1106 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1107 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1108 1109 cmd->use_adaptive_tx_coalesce = 1110 tx_vector->tx_group.coal.gl_adapt_enable; 1111 cmd->use_adaptive_rx_coalesce = 1112 rx_vector->rx_group.coal.gl_adapt_enable; 1113 1114 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1115 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1116 1117 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1118 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1119 1120 return 0; 1121 } 1122 1123 static int hns3_get_coalesce(struct net_device *netdev, 1124 struct ethtool_coalesce *cmd) 1125 { 1126 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1127 } 1128 1129 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1130 struct ethtool_coalesce *cmd) 1131 { 1132 u32 rx_gl, tx_gl; 1133 1134 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1135 netdev_err(netdev, 1136 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1137 HNS3_INT_GL_MAX); 1138 return -EINVAL; 1139 } 1140 1141 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1142 netdev_err(netdev, 1143 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1144 HNS3_INT_GL_MAX); 1145 return -EINVAL; 1146 } 1147 1148 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1149 if (rx_gl != cmd->rx_coalesce_usecs) { 1150 netdev_info(netdev, 1151 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1152 cmd->rx_coalesce_usecs, rx_gl); 1153 } 1154 1155 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1156 if (tx_gl != cmd->tx_coalesce_usecs) { 1157 netdev_info(netdev, 1158 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 1159 cmd->tx_coalesce_usecs, tx_gl); 1160 } 1161 1162 return 0; 1163 } 1164 1165 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1166 struct ethtool_coalesce *cmd) 1167 { 1168 u32 rl; 1169 1170 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1171 netdev_err(netdev, 1172 "tx_usecs_high must be same as rx_usecs_high.\n"); 1173 return -EINVAL; 1174 } 1175 1176 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1177 netdev_err(netdev, 1178 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1179 HNS3_INT_RL_MAX); 1180 return -EINVAL; 1181 } 1182 1183 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1184 if (rl != cmd->rx_coalesce_usecs_high) { 1185 netdev_info(netdev, 1186 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 1187 cmd->rx_coalesce_usecs_high, rl); 1188 } 1189 1190 return 0; 1191 } 1192 1193 static int hns3_check_coalesce_para(struct net_device *netdev, 1194 struct ethtool_coalesce *cmd) 1195 { 1196 int ret; 1197 1198 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1199 if (ret) { 1200 netdev_err(netdev, 1201 "Check gl coalesce param fail. ret = %d\n", ret); 1202 return ret; 1203 } 1204 1205 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1206 if (ret) { 1207 netdev_err(netdev, 1208 "Check rl coalesce param fail. ret = %d\n", ret); 1209 return ret; 1210 } 1211 1212 if (cmd->use_adaptive_tx_coalesce == 1 || 1213 cmd->use_adaptive_rx_coalesce == 1) { 1214 netdev_info(netdev, 1215 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1216 cmd->use_adaptive_tx_coalesce, 1217 cmd->use_adaptive_rx_coalesce); 1218 } 1219 1220 return 0; 1221 } 1222 1223 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1224 struct ethtool_coalesce *cmd, 1225 u32 queue) 1226 { 1227 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1228 struct hns3_nic_priv *priv = netdev_priv(netdev); 1229 struct hnae3_handle *h = priv->ae_handle; 1230 int queue_num = h->kinfo.num_tqps; 1231 1232 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1233 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1234 1235 tx_vector->tx_group.coal.gl_adapt_enable = 1236 cmd->use_adaptive_tx_coalesce; 1237 rx_vector->rx_group.coal.gl_adapt_enable = 1238 cmd->use_adaptive_rx_coalesce; 1239 1240 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1241 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1242 1243 hns3_set_vector_coalesce_tx_gl(tx_vector, 1244 tx_vector->tx_group.coal.int_gl); 1245 hns3_set_vector_coalesce_rx_gl(rx_vector, 1246 rx_vector->rx_group.coal.int_gl); 1247 1248 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1249 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1250 } 1251 1252 static int hns3_set_coalesce(struct net_device *netdev, 1253 struct ethtool_coalesce *cmd) 1254 { 1255 struct hnae3_handle *h = hns3_get_handle(netdev); 1256 u16 queue_num = h->kinfo.num_tqps; 1257 int ret; 1258 int i; 1259 1260 if (hns3_nic_resetting(netdev)) 1261 return -EBUSY; 1262 1263 ret = hns3_check_coalesce_para(netdev, cmd); 1264 if (ret) 1265 return ret; 1266 1267 h->kinfo.int_rl_setting = 1268 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1269 1270 for (i = 0; i < queue_num; i++) 1271 hns3_set_coalesce_per_queue(netdev, cmd, i); 1272 1273 return 0; 1274 } 1275 1276 static int hns3_get_regs_len(struct net_device *netdev) 1277 { 1278 struct hnae3_handle *h = hns3_get_handle(netdev); 1279 1280 if (!h->ae_algo->ops->get_regs_len) 1281 return -EOPNOTSUPP; 1282 1283 return h->ae_algo->ops->get_regs_len(h); 1284 } 1285 1286 static void hns3_get_regs(struct net_device *netdev, 1287 struct ethtool_regs *cmd, void *data) 1288 { 1289 struct hnae3_handle *h = hns3_get_handle(netdev); 1290 1291 if (!h->ae_algo->ops->get_regs) 1292 return; 1293 1294 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1295 } 1296 1297 static int hns3_set_phys_id(struct net_device *netdev, 1298 enum ethtool_phys_id_state state) 1299 { 1300 struct hnae3_handle *h = hns3_get_handle(netdev); 1301 1302 if (!h->ae_algo->ops->set_led_id) 1303 return -EOPNOTSUPP; 1304 1305 return h->ae_algo->ops->set_led_id(h, state); 1306 } 1307 1308 static u32 hns3_get_msglevel(struct net_device *netdev) 1309 { 1310 struct hnae3_handle *h = hns3_get_handle(netdev); 1311 1312 return h->msg_enable; 1313 } 1314 1315 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1316 { 1317 struct hnae3_handle *h = hns3_get_handle(netdev); 1318 1319 h->msg_enable = msg_level; 1320 } 1321 1322 /* Translate local fec value into ethtool value. */ 1323 static unsigned int loc_to_eth_fec(u8 loc_fec) 1324 { 1325 u32 eth_fec = 0; 1326 1327 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1328 eth_fec |= ETHTOOL_FEC_AUTO; 1329 if (loc_fec & BIT(HNAE3_FEC_RS)) 1330 eth_fec |= ETHTOOL_FEC_RS; 1331 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1332 eth_fec |= ETHTOOL_FEC_BASER; 1333 1334 /* if nothing is set, then FEC is off */ 1335 if (!eth_fec) 1336 eth_fec = ETHTOOL_FEC_OFF; 1337 1338 return eth_fec; 1339 } 1340 1341 /* Translate ethtool fec value into local value. */ 1342 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1343 { 1344 u32 loc_fec = 0; 1345 1346 if (eth_fec & ETHTOOL_FEC_OFF) 1347 return loc_fec; 1348 1349 if (eth_fec & ETHTOOL_FEC_AUTO) 1350 loc_fec |= BIT(HNAE3_FEC_AUTO); 1351 if (eth_fec & ETHTOOL_FEC_RS) 1352 loc_fec |= BIT(HNAE3_FEC_RS); 1353 if (eth_fec & ETHTOOL_FEC_BASER) 1354 loc_fec |= BIT(HNAE3_FEC_BASER); 1355 1356 return loc_fec; 1357 } 1358 1359 static int hns3_get_fecparam(struct net_device *netdev, 1360 struct ethtool_fecparam *fec) 1361 { 1362 struct hnae3_handle *handle = hns3_get_handle(netdev); 1363 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1364 u8 fec_ability; 1365 u8 fec_mode; 1366 1367 if (handle->pdev->revision == 0x20) 1368 return -EOPNOTSUPP; 1369 1370 if (!ops->get_fec) 1371 return -EOPNOTSUPP; 1372 1373 ops->get_fec(handle, &fec_ability, &fec_mode); 1374 1375 fec->fec = loc_to_eth_fec(fec_ability); 1376 fec->active_fec = loc_to_eth_fec(fec_mode); 1377 1378 return 0; 1379 } 1380 1381 static int hns3_set_fecparam(struct net_device *netdev, 1382 struct ethtool_fecparam *fec) 1383 { 1384 struct hnae3_handle *handle = hns3_get_handle(netdev); 1385 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1386 u32 fec_mode; 1387 1388 if (handle->pdev->revision == 0x20) 1389 return -EOPNOTSUPP; 1390 1391 if (!ops->set_fec) 1392 return -EOPNOTSUPP; 1393 fec_mode = eth_to_loc_fec(fec->fec); 1394 1395 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1396 1397 return ops->set_fec(handle, fec_mode); 1398 } 1399 1400 static const struct ethtool_ops hns3vf_ethtool_ops = { 1401 .get_drvinfo = hns3_get_drvinfo, 1402 .get_ringparam = hns3_get_ringparam, 1403 .set_ringparam = hns3_set_ringparam, 1404 .get_strings = hns3_get_strings, 1405 .get_ethtool_stats = hns3_get_stats, 1406 .get_sset_count = hns3_get_sset_count, 1407 .get_rxnfc = hns3_get_rxnfc, 1408 .set_rxnfc = hns3_set_rxnfc, 1409 .get_rxfh_key_size = hns3_get_rss_key_size, 1410 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1411 .get_rxfh = hns3_get_rss, 1412 .set_rxfh = hns3_set_rss, 1413 .get_link_ksettings = hns3_get_link_ksettings, 1414 .get_channels = hns3_get_channels, 1415 .set_channels = hns3_set_channels, 1416 .get_coalesce = hns3_get_coalesce, 1417 .set_coalesce = hns3_set_coalesce, 1418 .get_regs_len = hns3_get_regs_len, 1419 .get_regs = hns3_get_regs, 1420 .get_link = hns3_get_link, 1421 .get_msglevel = hns3_get_msglevel, 1422 .set_msglevel = hns3_set_msglevel, 1423 }; 1424 1425 static const struct ethtool_ops hns3_ethtool_ops = { 1426 .self_test = hns3_self_test, 1427 .get_drvinfo = hns3_get_drvinfo, 1428 .get_link = hns3_get_link, 1429 .get_ringparam = hns3_get_ringparam, 1430 .set_ringparam = hns3_set_ringparam, 1431 .get_pauseparam = hns3_get_pauseparam, 1432 .set_pauseparam = hns3_set_pauseparam, 1433 .get_strings = hns3_get_strings, 1434 .get_ethtool_stats = hns3_get_stats, 1435 .get_sset_count = hns3_get_sset_count, 1436 .get_rxnfc = hns3_get_rxnfc, 1437 .set_rxnfc = hns3_set_rxnfc, 1438 .get_rxfh_key_size = hns3_get_rss_key_size, 1439 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1440 .get_rxfh = hns3_get_rss, 1441 .set_rxfh = hns3_set_rss, 1442 .get_link_ksettings = hns3_get_link_ksettings, 1443 .set_link_ksettings = hns3_set_link_ksettings, 1444 .nway_reset = hns3_nway_reset, 1445 .get_channels = hns3_get_channels, 1446 .set_channels = hns3_set_channels, 1447 .get_coalesce = hns3_get_coalesce, 1448 .set_coalesce = hns3_set_coalesce, 1449 .get_regs_len = hns3_get_regs_len, 1450 .get_regs = hns3_get_regs, 1451 .set_phys_id = hns3_set_phys_id, 1452 .get_msglevel = hns3_get_msglevel, 1453 .set_msglevel = hns3_set_msglevel, 1454 .get_fecparam = hns3_get_fecparam, 1455 .set_fecparam = hns3_set_fecparam, 1456 }; 1457 1458 void hns3_ethtool_set_ops(struct net_device *netdev) 1459 { 1460 struct hnae3_handle *h = hns3_get_handle(netdev); 1461 1462 if (h->flags & HNAE3_SUPPORT_VF) 1463 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1464 else 1465 netdev->ethtool_ops = &hns3_ethtool_ops; 1466 } 1467