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 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 74 { 75 struct hnae3_handle *h = hns3_get_handle(ndev); 76 bool vlan_filter_enable; 77 int ret; 78 79 if (!h->ae_algo->ops->set_loopback || 80 !h->ae_algo->ops->set_promisc_mode) 81 return -EOPNOTSUPP; 82 83 switch (loop) { 84 case HNAE3_LOOP_SERIAL_SERDES: 85 case HNAE3_LOOP_PARALLEL_SERDES: 86 case HNAE3_LOOP_APP: 87 case HNAE3_LOOP_PHY: 88 ret = h->ae_algo->ops->set_loopback(h, loop, en); 89 break; 90 default: 91 ret = -ENOTSUPP; 92 break; 93 } 94 95 if (ret || h->pdev->revision >= 0x21) 96 return ret; 97 98 if (en) { 99 h->ae_algo->ops->set_promisc_mode(h, true, true); 100 } else { 101 /* recover promisc mode before loopback test */ 102 hns3_update_promisc_mode(ndev, h->netdev_flags); 103 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 104 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 105 } 106 107 return ret; 108 } 109 110 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 111 { 112 struct hnae3_handle *h = hns3_get_handle(ndev); 113 int ret; 114 115 ret = hns3_nic_reset_all_ring(h); 116 if (ret) 117 return ret; 118 119 ret = hns3_lp_setup(ndev, loop_mode, true); 120 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 121 122 return ret; 123 } 124 125 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 126 { 127 int ret; 128 129 ret = hns3_lp_setup(ndev, loop_mode, false); 130 if (ret) { 131 netdev_err(ndev, "lb_setup return error: %d\n", ret); 132 return ret; 133 } 134 135 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 136 137 return 0; 138 } 139 140 static void hns3_lp_setup_skb(struct sk_buff *skb) 141 { 142 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 143 144 struct net_device *ndev = skb->dev; 145 struct hnae3_handle *handle; 146 unsigned char *packet; 147 struct ethhdr *ethh; 148 unsigned int i; 149 150 skb_reserve(skb, NET_IP_ALIGN); 151 ethh = skb_put(skb, sizeof(struct ethhdr)); 152 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 153 154 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 155 156 /* The dst mac addr of loopback packet is the same as the host' 157 * mac addr, the SSU component may loop back the packet to host 158 * before the packet reaches mac or serdes, which will defect 159 * the purpose of mac or serdes selftest. 160 */ 161 handle = hns3_get_handle(ndev); 162 if (handle->pdev->revision == 0x20) 163 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 164 eth_zero_addr(ethh->h_source); 165 ethh->h_proto = htons(ETH_P_ARP); 166 skb_reset_mac_header(skb); 167 168 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 169 packet[i] = (unsigned char)(i & 0xff); 170 } 171 172 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 173 struct sk_buff *skb) 174 { 175 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 176 unsigned char *packet = skb->data; 177 u32 i; 178 179 for (i = 0; i < skb->len; i++) 180 if (packet[i] != (unsigned char)(i & 0xff)) 181 break; 182 183 /* The packet is correctly received */ 184 if (i == skb->len) 185 tqp_vector->rx_group.total_packets++; 186 else 187 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 188 skb->data, skb->len, true); 189 190 dev_kfree_skb_any(skb); 191 } 192 193 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 194 { 195 struct hnae3_handle *h = priv->ae_handle; 196 struct hnae3_knic_private_info *kinfo; 197 u32 i, rcv_good_pkt_total = 0; 198 199 kinfo = &h->kinfo; 200 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 201 struct hns3_enet_ring *ring = &priv->ring[i]; 202 struct hns3_enet_ring_group *rx_group; 203 u64 pre_rx_pkt; 204 205 rx_group = &ring->tqp_vector->rx_group; 206 pre_rx_pkt = rx_group->total_packets; 207 208 preempt_disable(); 209 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 210 preempt_enable(); 211 212 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 213 rx_group->total_packets = pre_rx_pkt; 214 } 215 return rcv_good_pkt_total; 216 } 217 218 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 219 u32 end_ringid, u32 budget) 220 { 221 u32 i; 222 223 for (i = start_ringid; i <= end_ringid; i++) { 224 struct hns3_enet_ring *ring = &priv->ring[i]; 225 226 hns3_clean_tx_ring(ring); 227 } 228 } 229 230 /** 231 * hns3_lp_run_test - run loopback test 232 * @ndev: net device 233 * @mode: loopback type 234 */ 235 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 236 { 237 struct hns3_nic_priv *priv = netdev_priv(ndev); 238 struct sk_buff *skb; 239 u32 i, good_cnt; 240 int ret_val = 0; 241 242 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 243 GFP_KERNEL); 244 if (!skb) 245 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 246 247 skb->dev = ndev; 248 hns3_lp_setup_skb(skb); 249 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 250 251 good_cnt = 0; 252 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 253 netdev_tx_t tx_ret; 254 255 skb_get(skb); 256 tx_ret = hns3_nic_net_xmit(skb, ndev); 257 if (tx_ret == NETDEV_TX_OK) { 258 good_cnt++; 259 } else { 260 kfree_skb(skb); 261 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 262 tx_ret); 263 } 264 } 265 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 266 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 267 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 268 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 269 goto out; 270 } 271 272 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 273 msleep(200); 274 275 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 276 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 277 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 278 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 279 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 280 } 281 282 out: 283 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 284 HNS3_NIC_LB_TEST_RING_ID, 285 HNS3_NIC_LB_TEST_PKT_NUM); 286 287 kfree_skb(skb); 288 return ret_val; 289 } 290 291 /** 292 * hns3_nic_self_test - self test 293 * @ndev: net device 294 * @eth_test: test cmd 295 * @data: test result 296 */ 297 static void hns3_self_test(struct net_device *ndev, 298 struct ethtool_test *eth_test, u64 *data) 299 { 300 struct hns3_nic_priv *priv = netdev_priv(ndev); 301 struct hnae3_handle *h = priv->ae_handle; 302 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 303 bool if_running = netif_running(ndev); 304 #if IS_ENABLED(CONFIG_VLAN_8021Q) 305 bool dis_vlan_filter; 306 #endif 307 int test_index = 0; 308 u32 i; 309 310 if (hns3_nic_resetting(ndev)) { 311 netdev_err(ndev, "dev resetting!"); 312 return; 313 } 314 315 /* Only do offline selftest, or pass by default */ 316 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 317 return; 318 319 netif_dbg(h, drv, ndev, "self test start"); 320 321 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 322 st_param[HNAE3_LOOP_APP][1] = 323 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 324 325 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 326 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 327 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 328 329 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 330 HNAE3_LOOP_PARALLEL_SERDES; 331 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 332 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 333 334 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 335 st_param[HNAE3_LOOP_PHY][1] = 336 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 337 338 if (if_running) 339 ndev->netdev_ops->ndo_stop(ndev); 340 341 #if IS_ENABLED(CONFIG_VLAN_8021Q) 342 /* Disable the vlan filter for selftest does not support it */ 343 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 344 h->ae_algo->ops->enable_vlan_filter; 345 if (dis_vlan_filter) 346 h->ae_algo->ops->enable_vlan_filter(h, false); 347 #endif 348 349 /* Tell firmware to stop mac autoneg before loopback test start, 350 * otherwise loopback test may be failed when the port is still 351 * negotiating. 352 */ 353 if (h->ae_algo->ops->halt_autoneg) 354 h->ae_algo->ops->halt_autoneg(h, true); 355 356 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 357 358 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 359 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 360 361 if (!st_param[i][1]) 362 continue; 363 364 data[test_index] = hns3_lp_up(ndev, loop_type); 365 if (!data[test_index]) 366 data[test_index] = hns3_lp_run_test(ndev, loop_type); 367 368 hns3_lp_down(ndev, loop_type); 369 370 if (data[test_index]) 371 eth_test->flags |= ETH_TEST_FL_FAILED; 372 373 test_index++; 374 } 375 376 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 377 378 if (h->ae_algo->ops->halt_autoneg) 379 h->ae_algo->ops->halt_autoneg(h, false); 380 381 #if IS_ENABLED(CONFIG_VLAN_8021Q) 382 if (dis_vlan_filter) 383 h->ae_algo->ops->enable_vlan_filter(h, true); 384 #endif 385 386 if (if_running) 387 ndev->netdev_ops->ndo_open(ndev); 388 389 netif_dbg(h, drv, ndev, "self test end\n"); 390 } 391 392 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 393 { 394 struct hnae3_handle *h = hns3_get_handle(netdev); 395 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 396 397 if (!ops->get_sset_count) 398 return -EOPNOTSUPP; 399 400 switch (stringset) { 401 case ETH_SS_STATS: 402 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 403 ops->get_sset_count(h, stringset)); 404 405 case ETH_SS_TEST: 406 return ops->get_sset_count(h, stringset); 407 408 default: 409 return -EOPNOTSUPP; 410 } 411 } 412 413 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 414 u32 stat_count, u32 num_tqps, const char *prefix) 415 { 416 #define MAX_PREFIX_SIZE (6 + 4) 417 u32 size_left; 418 u32 i, j; 419 u32 n1; 420 421 for (i = 0; i < num_tqps; i++) { 422 for (j = 0; j < stat_count; j++) { 423 data[ETH_GSTRING_LEN - 1] = '\0'; 424 425 /* first, prepend the prefix string */ 426 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", 427 prefix, i); 428 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 429 size_left = (ETH_GSTRING_LEN - 1) - n1; 430 431 /* now, concatenate the stats string to it */ 432 strncat(data, stats[j].stats_string, size_left); 433 data += ETH_GSTRING_LEN; 434 } 435 } 436 437 return data; 438 } 439 440 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 441 { 442 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 443 const char tx_prefix[] = "txq"; 444 const char rx_prefix[] = "rxq"; 445 446 /* get strings for Tx */ 447 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 448 kinfo->num_tqps, tx_prefix); 449 450 /* get strings for Rx */ 451 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 452 kinfo->num_tqps, rx_prefix); 453 454 return data; 455 } 456 457 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 458 { 459 struct hnae3_handle *h = hns3_get_handle(netdev); 460 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 461 char *buff = (char *)data; 462 463 if (!ops->get_strings) 464 return; 465 466 switch (stringset) { 467 case ETH_SS_STATS: 468 buff = hns3_get_strings_tqps(h, buff); 469 ops->get_strings(h, stringset, (u8 *)buff); 470 break; 471 case ETH_SS_TEST: 472 ops->get_strings(h, stringset, data); 473 break; 474 default: 475 break; 476 } 477 } 478 479 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 480 { 481 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 482 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 483 struct hns3_enet_ring *ring; 484 u8 *stat; 485 int i, j; 486 487 /* get stats for Tx */ 488 for (i = 0; i < kinfo->num_tqps; i++) { 489 ring = &nic_priv->ring[i]; 490 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 491 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 492 *data++ = *(u64 *)stat; 493 } 494 } 495 496 /* get stats for Rx */ 497 for (i = 0; i < kinfo->num_tqps; i++) { 498 ring = &nic_priv->ring[i + kinfo->num_tqps]; 499 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 500 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 501 *data++ = *(u64 *)stat; 502 } 503 } 504 505 return data; 506 } 507 508 /* hns3_get_stats - get detail statistics. 509 * @netdev: net device 510 * @stats: statistics info. 511 * @data: statistics data. 512 */ 513 static void hns3_get_stats(struct net_device *netdev, 514 struct ethtool_stats *stats, u64 *data) 515 { 516 struct hnae3_handle *h = hns3_get_handle(netdev); 517 u64 *p = data; 518 519 if (hns3_nic_resetting(netdev)) { 520 netdev_err(netdev, "dev resetting, could not get stats\n"); 521 return; 522 } 523 524 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 525 netdev_err(netdev, "could not get any statistics\n"); 526 return; 527 } 528 529 h->ae_algo->ops->update_stats(h, &netdev->stats); 530 531 /* get per-queue stats */ 532 p = hns3_get_stats_tqps(h, p); 533 534 /* get MAC & other misc hardware stats */ 535 h->ae_algo->ops->get_stats(h, p); 536 } 537 538 static void hns3_get_drvinfo(struct net_device *netdev, 539 struct ethtool_drvinfo *drvinfo) 540 { 541 struct hns3_nic_priv *priv = netdev_priv(netdev); 542 struct hnae3_handle *h = priv->ae_handle; 543 u32 fw_version; 544 545 if (!h->ae_algo->ops->get_fw_version) { 546 netdev_err(netdev, "could not get fw version!\n"); 547 return; 548 } 549 550 strncpy(drvinfo->version, hns3_driver_version, 551 sizeof(drvinfo->version)); 552 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 553 554 strncpy(drvinfo->driver, h->pdev->driver->name, 555 sizeof(drvinfo->driver)); 556 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 557 558 strncpy(drvinfo->bus_info, pci_name(h->pdev), 559 sizeof(drvinfo->bus_info)); 560 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 561 562 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 563 564 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 565 "%lu.%lu.%lu.%lu", 566 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 567 HNAE3_FW_VERSION_BYTE3_SHIFT), 568 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 569 HNAE3_FW_VERSION_BYTE2_SHIFT), 570 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 571 HNAE3_FW_VERSION_BYTE1_SHIFT), 572 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 573 HNAE3_FW_VERSION_BYTE0_SHIFT)); 574 } 575 576 static u32 hns3_get_link(struct net_device *netdev) 577 { 578 struct hnae3_handle *h = hns3_get_handle(netdev); 579 580 if (h->ae_algo->ops->get_status) 581 return h->ae_algo->ops->get_status(h); 582 else 583 return 0; 584 } 585 586 static void hns3_get_ringparam(struct net_device *netdev, 587 struct ethtool_ringparam *param) 588 { 589 struct hns3_nic_priv *priv = netdev_priv(netdev); 590 struct hnae3_handle *h = priv->ae_handle; 591 int queue_num = h->kinfo.num_tqps; 592 593 if (hns3_nic_resetting(netdev)) { 594 netdev_err(netdev, "dev resetting!"); 595 return; 596 } 597 598 param->tx_max_pending = HNS3_RING_MAX_PENDING; 599 param->rx_max_pending = HNS3_RING_MAX_PENDING; 600 601 param->tx_pending = priv->ring[0].desc_num; 602 param->rx_pending = priv->ring[queue_num].desc_num; 603 } 604 605 static void hns3_get_pauseparam(struct net_device *netdev, 606 struct ethtool_pauseparam *param) 607 { 608 struct hnae3_handle *h = hns3_get_handle(netdev); 609 610 if (h->ae_algo->ops->get_pauseparam) 611 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 612 ¶m->rx_pause, ¶m->tx_pause); 613 } 614 615 static int hns3_set_pauseparam(struct net_device *netdev, 616 struct ethtool_pauseparam *param) 617 { 618 struct hnae3_handle *h = hns3_get_handle(netdev); 619 620 netif_dbg(h, drv, netdev, 621 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 622 param->autoneg, param->rx_pause, param->tx_pause); 623 624 if (h->ae_algo->ops->set_pauseparam) 625 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 626 param->rx_pause, 627 param->tx_pause); 628 return -EOPNOTSUPP; 629 } 630 631 static void hns3_get_ksettings(struct hnae3_handle *h, 632 struct ethtool_link_ksettings *cmd) 633 { 634 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 635 636 /* 1.auto_neg & speed & duplex from cmd */ 637 if (ops->get_ksettings_an_result) 638 ops->get_ksettings_an_result(h, 639 &cmd->base.autoneg, 640 &cmd->base.speed, 641 &cmd->base.duplex); 642 643 /* 2.get link mode */ 644 if (ops->get_link_mode) 645 ops->get_link_mode(h, 646 cmd->link_modes.supported, 647 cmd->link_modes.advertising); 648 649 /* 3.mdix_ctrl&mdix get from phy reg */ 650 if (ops->get_mdix_mode) 651 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 652 &cmd->base.eth_tp_mdix); 653 } 654 655 static int hns3_get_link_ksettings(struct net_device *netdev, 656 struct ethtool_link_ksettings *cmd) 657 { 658 struct hnae3_handle *h = hns3_get_handle(netdev); 659 const struct hnae3_ae_ops *ops; 660 u8 module_type; 661 u8 media_type; 662 u8 link_stat; 663 664 ops = h->ae_algo->ops; 665 if (ops->get_media_type) 666 ops->get_media_type(h, &media_type, &module_type); 667 else 668 return -EOPNOTSUPP; 669 670 switch (media_type) { 671 case HNAE3_MEDIA_TYPE_NONE: 672 cmd->base.port = PORT_NONE; 673 hns3_get_ksettings(h, cmd); 674 break; 675 case HNAE3_MEDIA_TYPE_FIBER: 676 if (module_type == HNAE3_MODULE_TYPE_CR) 677 cmd->base.port = PORT_DA; 678 else 679 cmd->base.port = PORT_FIBRE; 680 681 hns3_get_ksettings(h, cmd); 682 break; 683 case HNAE3_MEDIA_TYPE_BACKPLANE: 684 cmd->base.port = PORT_NONE; 685 hns3_get_ksettings(h, cmd); 686 break; 687 case HNAE3_MEDIA_TYPE_COPPER: 688 cmd->base.port = PORT_TP; 689 if (!netdev->phydev) 690 hns3_get_ksettings(h, cmd); 691 else 692 phy_ethtool_ksettings_get(netdev->phydev, cmd); 693 break; 694 default: 695 696 netdev_warn(netdev, "Unknown media type"); 697 return 0; 698 } 699 700 /* mdio_support */ 701 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 702 703 link_stat = hns3_get_link(netdev); 704 if (!link_stat) { 705 cmd->base.speed = SPEED_UNKNOWN; 706 cmd->base.duplex = DUPLEX_UNKNOWN; 707 } 708 709 return 0; 710 } 711 712 static int hns3_check_ksettings_param(const struct net_device *netdev, 713 const struct ethtool_link_ksettings *cmd) 714 { 715 struct hnae3_handle *handle = hns3_get_handle(netdev); 716 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 717 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 718 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 719 u8 autoneg; 720 u32 speed; 721 u8 duplex; 722 int ret; 723 724 /* hw doesn't support use specified speed and duplex to negotiate, 725 * unnecessary to check them when autoneg on. 726 */ 727 if (cmd->base.autoneg) 728 return 0; 729 730 if (ops->get_ksettings_an_result) { 731 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 732 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 733 cmd->base.duplex == duplex) 734 return 0; 735 } 736 737 if (ops->get_media_type) 738 ops->get_media_type(handle, &media_type, &module_type); 739 740 if (cmd->base.duplex != DUPLEX_FULL && 741 media_type != HNAE3_MEDIA_TYPE_COPPER) { 742 netdev_err(netdev, 743 "only copper port supports half duplex!"); 744 return -EINVAL; 745 } 746 747 if (ops->check_port_speed) { 748 ret = ops->check_port_speed(handle, cmd->base.speed); 749 if (ret) { 750 netdev_err(netdev, "unsupported speed\n"); 751 return ret; 752 } 753 } 754 755 return 0; 756 } 757 758 static int hns3_set_link_ksettings(struct net_device *netdev, 759 const struct ethtool_link_ksettings *cmd) 760 { 761 struct hnae3_handle *handle = hns3_get_handle(netdev); 762 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 763 int ret; 764 765 /* Chip don't support this mode. */ 766 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 767 return -EINVAL; 768 769 netif_dbg(handle, drv, netdev, 770 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 771 netdev->phydev ? "phy" : "mac", 772 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 773 774 /* Only support ksettings_set for netdev with phy attached for now */ 775 if (netdev->phydev) 776 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 777 778 if (handle->pdev->revision == 0x20) 779 return -EOPNOTSUPP; 780 781 ret = hns3_check_ksettings_param(netdev, cmd); 782 if (ret) 783 return ret; 784 785 if (ops->set_autoneg) { 786 ret = ops->set_autoneg(handle, cmd->base.autoneg); 787 if (ret) 788 return ret; 789 } 790 791 /* hw doesn't support use specified speed and duplex to negotiate, 792 * ignore them when autoneg on. 793 */ 794 if (cmd->base.autoneg) { 795 netdev_info(netdev, 796 "autoneg is on, ignore the speed and duplex\n"); 797 return 0; 798 } 799 800 if (ops->cfg_mac_speed_dup_h) 801 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 802 cmd->base.duplex); 803 804 return ret; 805 } 806 807 static u32 hns3_get_rss_key_size(struct net_device *netdev) 808 { 809 struct hnae3_handle *h = hns3_get_handle(netdev); 810 811 if (!h->ae_algo->ops->get_rss_key_size) 812 return 0; 813 814 return h->ae_algo->ops->get_rss_key_size(h); 815 } 816 817 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 818 { 819 struct hnae3_handle *h = hns3_get_handle(netdev); 820 821 if (!h->ae_algo->ops->get_rss_indir_size) 822 return 0; 823 824 return h->ae_algo->ops->get_rss_indir_size(h); 825 } 826 827 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 828 u8 *hfunc) 829 { 830 struct hnae3_handle *h = hns3_get_handle(netdev); 831 832 if (!h->ae_algo->ops->get_rss) 833 return -EOPNOTSUPP; 834 835 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 836 } 837 838 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 839 const u8 *key, const u8 hfunc) 840 { 841 struct hnae3_handle *h = hns3_get_handle(netdev); 842 843 if (!h->ae_algo->ops->set_rss) 844 return -EOPNOTSUPP; 845 846 if ((h->pdev->revision == 0x20 && 847 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 848 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 849 netdev_err(netdev, "hash func not supported\n"); 850 return -EOPNOTSUPP; 851 } 852 853 if (!indir) { 854 netdev_err(netdev, 855 "set rss failed for indir is empty\n"); 856 return -EOPNOTSUPP; 857 } 858 859 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 860 } 861 862 static int hns3_get_rxnfc(struct net_device *netdev, 863 struct ethtool_rxnfc *cmd, 864 u32 *rule_locs) 865 { 866 struct hnae3_handle *h = hns3_get_handle(netdev); 867 868 switch (cmd->cmd) { 869 case ETHTOOL_GRXRINGS: 870 cmd->data = h->kinfo.num_tqps; 871 return 0; 872 case ETHTOOL_GRXFH: 873 if (h->ae_algo->ops->get_rss_tuple) 874 return h->ae_algo->ops->get_rss_tuple(h, cmd); 875 return -EOPNOTSUPP; 876 case ETHTOOL_GRXCLSRLCNT: 877 if (h->ae_algo->ops->get_fd_rule_cnt) 878 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 879 return -EOPNOTSUPP; 880 case ETHTOOL_GRXCLSRULE: 881 if (h->ae_algo->ops->get_fd_rule_info) 882 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 883 return -EOPNOTSUPP; 884 case ETHTOOL_GRXCLSRLALL: 885 if (h->ae_algo->ops->get_fd_all_rules) 886 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 887 rule_locs); 888 return -EOPNOTSUPP; 889 default: 890 return -EOPNOTSUPP; 891 } 892 } 893 894 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 895 u32 tx_desc_num, u32 rx_desc_num) 896 { 897 struct hnae3_handle *h = priv->ae_handle; 898 int i; 899 900 h->kinfo.num_tx_desc = tx_desc_num; 901 h->kinfo.num_rx_desc = rx_desc_num; 902 903 for (i = 0; i < h->kinfo.num_tqps; i++) { 904 priv->ring[i].desc_num = tx_desc_num; 905 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 906 } 907 } 908 909 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 910 { 911 struct hnae3_handle *handle = priv->ae_handle; 912 struct hns3_enet_ring *tmp_rings; 913 int i; 914 915 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 916 sizeof(struct hns3_enet_ring), GFP_KERNEL); 917 if (!tmp_rings) 918 return NULL; 919 920 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 921 memcpy(&tmp_rings[i], &priv->ring[i], 922 sizeof(struct hns3_enet_ring)); 923 tmp_rings[i].skb = NULL; 924 } 925 926 return tmp_rings; 927 } 928 929 static int hns3_check_ringparam(struct net_device *ndev, 930 struct ethtool_ringparam *param) 931 { 932 if (hns3_nic_resetting(ndev)) 933 return -EBUSY; 934 935 if (param->rx_mini_pending || param->rx_jumbo_pending) 936 return -EINVAL; 937 938 if (param->tx_pending > HNS3_RING_MAX_PENDING || 939 param->tx_pending < HNS3_RING_MIN_PENDING || 940 param->rx_pending > HNS3_RING_MAX_PENDING || 941 param->rx_pending < HNS3_RING_MIN_PENDING) { 942 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 943 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 944 return -EINVAL; 945 } 946 947 return 0; 948 } 949 950 static int hns3_set_ringparam(struct net_device *ndev, 951 struct ethtool_ringparam *param) 952 { 953 struct hns3_nic_priv *priv = netdev_priv(ndev); 954 struct hnae3_handle *h = priv->ae_handle; 955 struct hns3_enet_ring *tmp_rings; 956 bool if_running = netif_running(ndev); 957 u32 old_tx_desc_num, new_tx_desc_num; 958 u32 old_rx_desc_num, new_rx_desc_num; 959 u16 queue_num = h->kinfo.num_tqps; 960 int ret, i; 961 962 ret = hns3_check_ringparam(ndev, param); 963 if (ret) 964 return ret; 965 966 /* Hardware requires that its descriptors must be multiple of eight */ 967 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 968 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 969 old_tx_desc_num = priv->ring[0].desc_num; 970 old_rx_desc_num = priv->ring[queue_num].desc_num; 971 if (old_tx_desc_num == new_tx_desc_num && 972 old_rx_desc_num == new_rx_desc_num) 973 return 0; 974 975 tmp_rings = hns3_backup_ringparam(priv); 976 if (!tmp_rings) { 977 netdev_err(ndev, 978 "backup ring param failed by allocating memory fail\n"); 979 return -ENOMEM; 980 } 981 982 netdev_info(ndev, 983 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 984 old_tx_desc_num, old_rx_desc_num, 985 new_tx_desc_num, new_rx_desc_num); 986 987 if (if_running) 988 ndev->netdev_ops->ndo_stop(ndev); 989 990 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 991 ret = hns3_init_all_ring(priv); 992 if (ret) { 993 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 994 ret); 995 996 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 997 old_rx_desc_num); 998 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 999 memcpy(&priv->ring[i], &tmp_rings[i], 1000 sizeof(struct hns3_enet_ring)); 1001 } else { 1002 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1003 hns3_fini_ring(&tmp_rings[i]); 1004 } 1005 1006 kfree(tmp_rings); 1007 1008 if (if_running) 1009 ret = ndev->netdev_ops->ndo_open(ndev); 1010 1011 return ret; 1012 } 1013 1014 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1015 { 1016 struct hnae3_handle *h = hns3_get_handle(netdev); 1017 1018 switch (cmd->cmd) { 1019 case ETHTOOL_SRXFH: 1020 if (h->ae_algo->ops->set_rss_tuple) 1021 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1022 return -EOPNOTSUPP; 1023 case ETHTOOL_SRXCLSRLINS: 1024 if (h->ae_algo->ops->add_fd_entry) 1025 return h->ae_algo->ops->add_fd_entry(h, cmd); 1026 return -EOPNOTSUPP; 1027 case ETHTOOL_SRXCLSRLDEL: 1028 if (h->ae_algo->ops->del_fd_entry) 1029 return h->ae_algo->ops->del_fd_entry(h, cmd); 1030 return -EOPNOTSUPP; 1031 default: 1032 return -EOPNOTSUPP; 1033 } 1034 } 1035 1036 static int hns3_nway_reset(struct net_device *netdev) 1037 { 1038 struct hnae3_handle *handle = hns3_get_handle(netdev); 1039 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1040 struct phy_device *phy = netdev->phydev; 1041 int autoneg; 1042 1043 if (!netif_running(netdev)) 1044 return 0; 1045 1046 if (hns3_nic_resetting(netdev)) { 1047 netdev_err(netdev, "dev resetting!"); 1048 return -EBUSY; 1049 } 1050 1051 if (!ops->get_autoneg || !ops->restart_autoneg) 1052 return -EOPNOTSUPP; 1053 1054 autoneg = ops->get_autoneg(handle); 1055 if (autoneg != AUTONEG_ENABLE) { 1056 netdev_err(netdev, 1057 "Autoneg is off, don't support to restart it\n"); 1058 return -EINVAL; 1059 } 1060 1061 netif_dbg(handle, drv, netdev, 1062 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1063 1064 if (phy) 1065 return genphy_restart_aneg(phy); 1066 1067 if (handle->pdev->revision == 0x20) 1068 return -EOPNOTSUPP; 1069 1070 return ops->restart_autoneg(handle); 1071 } 1072 1073 static void hns3_get_channels(struct net_device *netdev, 1074 struct ethtool_channels *ch) 1075 { 1076 struct hnae3_handle *h = hns3_get_handle(netdev); 1077 1078 if (h->ae_algo->ops->get_channels) 1079 h->ae_algo->ops->get_channels(h, ch); 1080 } 1081 1082 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1083 struct ethtool_coalesce *cmd) 1084 { 1085 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1086 struct hns3_nic_priv *priv = netdev_priv(netdev); 1087 struct hnae3_handle *h = priv->ae_handle; 1088 u16 queue_num = h->kinfo.num_tqps; 1089 1090 if (hns3_nic_resetting(netdev)) 1091 return -EBUSY; 1092 1093 if (queue >= queue_num) { 1094 netdev_err(netdev, 1095 "Invalid queue value %u! Queue max id=%u\n", 1096 queue, queue_num - 1); 1097 return -EINVAL; 1098 } 1099 1100 tx_vector = priv->ring[queue].tqp_vector; 1101 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1102 1103 cmd->use_adaptive_tx_coalesce = 1104 tx_vector->tx_group.coal.gl_adapt_enable; 1105 cmd->use_adaptive_rx_coalesce = 1106 rx_vector->rx_group.coal.gl_adapt_enable; 1107 1108 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1109 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1110 1111 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1112 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1113 1114 return 0; 1115 } 1116 1117 static int hns3_get_coalesce(struct net_device *netdev, 1118 struct ethtool_coalesce *cmd) 1119 { 1120 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1121 } 1122 1123 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1124 struct ethtool_coalesce *cmd) 1125 { 1126 u32 rx_gl, tx_gl; 1127 1128 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1129 netdev_err(netdev, 1130 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1131 HNS3_INT_GL_MAX); 1132 return -EINVAL; 1133 } 1134 1135 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1136 netdev_err(netdev, 1137 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1138 HNS3_INT_GL_MAX); 1139 return -EINVAL; 1140 } 1141 1142 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1143 if (rx_gl != cmd->rx_coalesce_usecs) { 1144 netdev_info(netdev, 1145 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1146 cmd->rx_coalesce_usecs, rx_gl); 1147 } 1148 1149 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1150 if (tx_gl != cmd->tx_coalesce_usecs) { 1151 netdev_info(netdev, 1152 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1153 cmd->tx_coalesce_usecs, tx_gl); 1154 } 1155 1156 return 0; 1157 } 1158 1159 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1160 struct ethtool_coalesce *cmd) 1161 { 1162 u32 rl; 1163 1164 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1165 netdev_err(netdev, 1166 "tx_usecs_high must be same as rx_usecs_high.\n"); 1167 return -EINVAL; 1168 } 1169 1170 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1171 netdev_err(netdev, 1172 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1173 HNS3_INT_RL_MAX); 1174 return -EINVAL; 1175 } 1176 1177 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1178 if (rl != cmd->rx_coalesce_usecs_high) { 1179 netdev_info(netdev, 1180 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1181 cmd->rx_coalesce_usecs_high, rl); 1182 } 1183 1184 return 0; 1185 } 1186 1187 static int hns3_check_coalesce_para(struct net_device *netdev, 1188 struct ethtool_coalesce *cmd) 1189 { 1190 int ret; 1191 1192 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1193 if (ret) { 1194 netdev_err(netdev, 1195 "Check gl coalesce param fail. ret = %d\n", ret); 1196 return ret; 1197 } 1198 1199 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1200 if (ret) { 1201 netdev_err(netdev, 1202 "Check rl coalesce param fail. ret = %d\n", ret); 1203 return ret; 1204 } 1205 1206 if (cmd->use_adaptive_tx_coalesce == 1 || 1207 cmd->use_adaptive_rx_coalesce == 1) { 1208 netdev_info(netdev, 1209 "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n", 1210 cmd->use_adaptive_tx_coalesce, 1211 cmd->use_adaptive_rx_coalesce); 1212 } 1213 1214 return 0; 1215 } 1216 1217 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1218 struct ethtool_coalesce *cmd, 1219 u32 queue) 1220 { 1221 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1222 struct hns3_nic_priv *priv = netdev_priv(netdev); 1223 struct hnae3_handle *h = priv->ae_handle; 1224 int queue_num = h->kinfo.num_tqps; 1225 1226 tx_vector = priv->ring[queue].tqp_vector; 1227 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1228 1229 tx_vector->tx_group.coal.gl_adapt_enable = 1230 cmd->use_adaptive_tx_coalesce; 1231 rx_vector->rx_group.coal.gl_adapt_enable = 1232 cmd->use_adaptive_rx_coalesce; 1233 1234 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1235 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1236 1237 hns3_set_vector_coalesce_tx_gl(tx_vector, 1238 tx_vector->tx_group.coal.int_gl); 1239 hns3_set_vector_coalesce_rx_gl(rx_vector, 1240 rx_vector->rx_group.coal.int_gl); 1241 1242 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1243 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1244 } 1245 1246 static int hns3_set_coalesce(struct net_device *netdev, 1247 struct ethtool_coalesce *cmd) 1248 { 1249 struct hnae3_handle *h = hns3_get_handle(netdev); 1250 u16 queue_num = h->kinfo.num_tqps; 1251 int ret; 1252 int i; 1253 1254 if (hns3_nic_resetting(netdev)) 1255 return -EBUSY; 1256 1257 ret = hns3_check_coalesce_para(netdev, cmd); 1258 if (ret) 1259 return ret; 1260 1261 h->kinfo.int_rl_setting = 1262 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1263 1264 for (i = 0; i < queue_num; i++) 1265 hns3_set_coalesce_per_queue(netdev, cmd, i); 1266 1267 return 0; 1268 } 1269 1270 static int hns3_get_regs_len(struct net_device *netdev) 1271 { 1272 struct hnae3_handle *h = hns3_get_handle(netdev); 1273 1274 if (!h->ae_algo->ops->get_regs_len) 1275 return -EOPNOTSUPP; 1276 1277 return h->ae_algo->ops->get_regs_len(h); 1278 } 1279 1280 static void hns3_get_regs(struct net_device *netdev, 1281 struct ethtool_regs *cmd, void *data) 1282 { 1283 struct hnae3_handle *h = hns3_get_handle(netdev); 1284 1285 if (!h->ae_algo->ops->get_regs) 1286 return; 1287 1288 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1289 } 1290 1291 static int hns3_set_phys_id(struct net_device *netdev, 1292 enum ethtool_phys_id_state state) 1293 { 1294 struct hnae3_handle *h = hns3_get_handle(netdev); 1295 1296 if (!h->ae_algo->ops->set_led_id) 1297 return -EOPNOTSUPP; 1298 1299 return h->ae_algo->ops->set_led_id(h, state); 1300 } 1301 1302 static u32 hns3_get_msglevel(struct net_device *netdev) 1303 { 1304 struct hnae3_handle *h = hns3_get_handle(netdev); 1305 1306 return h->msg_enable; 1307 } 1308 1309 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1310 { 1311 struct hnae3_handle *h = hns3_get_handle(netdev); 1312 1313 h->msg_enable = msg_level; 1314 } 1315 1316 /* Translate local fec value into ethtool value. */ 1317 static unsigned int loc_to_eth_fec(u8 loc_fec) 1318 { 1319 u32 eth_fec = 0; 1320 1321 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1322 eth_fec |= ETHTOOL_FEC_AUTO; 1323 if (loc_fec & BIT(HNAE3_FEC_RS)) 1324 eth_fec |= ETHTOOL_FEC_RS; 1325 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1326 eth_fec |= ETHTOOL_FEC_BASER; 1327 1328 /* if nothing is set, then FEC is off */ 1329 if (!eth_fec) 1330 eth_fec = ETHTOOL_FEC_OFF; 1331 1332 return eth_fec; 1333 } 1334 1335 /* Translate ethtool fec value into local value. */ 1336 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1337 { 1338 u32 loc_fec = 0; 1339 1340 if (eth_fec & ETHTOOL_FEC_OFF) 1341 return loc_fec; 1342 1343 if (eth_fec & ETHTOOL_FEC_AUTO) 1344 loc_fec |= BIT(HNAE3_FEC_AUTO); 1345 if (eth_fec & ETHTOOL_FEC_RS) 1346 loc_fec |= BIT(HNAE3_FEC_RS); 1347 if (eth_fec & ETHTOOL_FEC_BASER) 1348 loc_fec |= BIT(HNAE3_FEC_BASER); 1349 1350 return loc_fec; 1351 } 1352 1353 static int hns3_get_fecparam(struct net_device *netdev, 1354 struct ethtool_fecparam *fec) 1355 { 1356 struct hnae3_handle *handle = hns3_get_handle(netdev); 1357 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1358 u8 fec_ability; 1359 u8 fec_mode; 1360 1361 if (handle->pdev->revision == 0x20) 1362 return -EOPNOTSUPP; 1363 1364 if (!ops->get_fec) 1365 return -EOPNOTSUPP; 1366 1367 ops->get_fec(handle, &fec_ability, &fec_mode); 1368 1369 fec->fec = loc_to_eth_fec(fec_ability); 1370 fec->active_fec = loc_to_eth_fec(fec_mode); 1371 1372 return 0; 1373 } 1374 1375 static int hns3_set_fecparam(struct net_device *netdev, 1376 struct ethtool_fecparam *fec) 1377 { 1378 struct hnae3_handle *handle = hns3_get_handle(netdev); 1379 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1380 u32 fec_mode; 1381 1382 if (handle->pdev->revision == 0x20) 1383 return -EOPNOTSUPP; 1384 1385 if (!ops->set_fec) 1386 return -EOPNOTSUPP; 1387 fec_mode = eth_to_loc_fec(fec->fec); 1388 1389 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1390 1391 return ops->set_fec(handle, fec_mode); 1392 } 1393 1394 static const struct ethtool_ops hns3vf_ethtool_ops = { 1395 .get_drvinfo = hns3_get_drvinfo, 1396 .get_ringparam = hns3_get_ringparam, 1397 .set_ringparam = hns3_set_ringparam, 1398 .get_strings = hns3_get_strings, 1399 .get_ethtool_stats = hns3_get_stats, 1400 .get_sset_count = hns3_get_sset_count, 1401 .get_rxnfc = hns3_get_rxnfc, 1402 .set_rxnfc = hns3_set_rxnfc, 1403 .get_rxfh_key_size = hns3_get_rss_key_size, 1404 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1405 .get_rxfh = hns3_get_rss, 1406 .set_rxfh = hns3_set_rss, 1407 .get_link_ksettings = hns3_get_link_ksettings, 1408 .get_channels = hns3_get_channels, 1409 .set_channels = hns3_set_channels, 1410 .get_coalesce = hns3_get_coalesce, 1411 .set_coalesce = hns3_set_coalesce, 1412 .get_regs_len = hns3_get_regs_len, 1413 .get_regs = hns3_get_regs, 1414 .get_link = hns3_get_link, 1415 .get_msglevel = hns3_get_msglevel, 1416 .set_msglevel = hns3_set_msglevel, 1417 }; 1418 1419 static const struct ethtool_ops hns3_ethtool_ops = { 1420 .self_test = hns3_self_test, 1421 .get_drvinfo = hns3_get_drvinfo, 1422 .get_link = hns3_get_link, 1423 .get_ringparam = hns3_get_ringparam, 1424 .set_ringparam = hns3_set_ringparam, 1425 .get_pauseparam = hns3_get_pauseparam, 1426 .set_pauseparam = hns3_set_pauseparam, 1427 .get_strings = hns3_get_strings, 1428 .get_ethtool_stats = hns3_get_stats, 1429 .get_sset_count = hns3_get_sset_count, 1430 .get_rxnfc = hns3_get_rxnfc, 1431 .set_rxnfc = hns3_set_rxnfc, 1432 .get_rxfh_key_size = hns3_get_rss_key_size, 1433 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1434 .get_rxfh = hns3_get_rss, 1435 .set_rxfh = hns3_set_rss, 1436 .get_link_ksettings = hns3_get_link_ksettings, 1437 .set_link_ksettings = hns3_set_link_ksettings, 1438 .nway_reset = hns3_nway_reset, 1439 .get_channels = hns3_get_channels, 1440 .set_channels = hns3_set_channels, 1441 .get_coalesce = hns3_get_coalesce, 1442 .set_coalesce = hns3_set_coalesce, 1443 .get_regs_len = hns3_get_regs_len, 1444 .get_regs = hns3_get_regs, 1445 .set_phys_id = hns3_set_phys_id, 1446 .get_msglevel = hns3_get_msglevel, 1447 .set_msglevel = hns3_set_msglevel, 1448 .get_fecparam = hns3_get_fecparam, 1449 .set_fecparam = hns3_set_fecparam, 1450 }; 1451 1452 void hns3_ethtool_set_ops(struct net_device *netdev) 1453 { 1454 struct hnae3_handle *h = hns3_get_handle(netdev); 1455 1456 if (h->flags & HNAE3_SUPPORT_VF) 1457 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1458 else 1459 netdev->ethtool_ops = &hns3_ethtool_ops; 1460 } 1461