1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/string.h> 6 #include <linux/phy.h> 7 #include <linux/sfp.h> 8 9 #include "hns3_enet.h" 10 11 struct hns3_stats { 12 char stats_string[ETH_GSTRING_LEN]; 13 int stats_offset; 14 }; 15 16 struct hns3_sfp_type { 17 u8 type; 18 u8 ext_type; 19 }; 20 21 /* tqp related stats */ 22 #define HNS3_TQP_STAT(_string, _member) { \ 23 .stats_string = _string, \ 24 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 25 offsetof(struct ring_stats, _member), \ 26 } 27 28 static const struct hns3_stats hns3_txq_stats[] = { 29 /* Tx per-queue statistics */ 30 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 31 HNS3_TQP_STAT("dropped", sw_err_cnt), 32 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 33 HNS3_TQP_STAT("packets", tx_pkts), 34 HNS3_TQP_STAT("bytes", tx_bytes), 35 HNS3_TQP_STAT("errors", tx_err_cnt), 36 HNS3_TQP_STAT("wake", restart_queue), 37 HNS3_TQP_STAT("busy", tx_busy), 38 HNS3_TQP_STAT("copy", tx_copy), 39 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 40 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 41 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 42 HNS3_TQP_STAT("tso_err", tx_tso_err), 43 }; 44 45 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 46 47 static const struct hns3_stats hns3_rxq_stats[] = { 48 /* Rx per-queue statistics */ 49 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 50 HNS3_TQP_STAT("dropped", sw_err_cnt), 51 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 52 HNS3_TQP_STAT("packets", rx_pkts), 53 HNS3_TQP_STAT("bytes", rx_bytes), 54 HNS3_TQP_STAT("errors", rx_err_cnt), 55 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 56 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 57 HNS3_TQP_STAT("err_bd_num", err_bd_num), 58 HNS3_TQP_STAT("l2_err", l2_err), 59 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 60 HNS3_TQP_STAT("multicast", rx_multicast), 61 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 62 }; 63 64 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 65 66 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 67 68 #define HNS3_SELF_TEST_TYPE_NUM 4 69 #define HNS3_NIC_LB_TEST_PKT_NUM 1 70 #define HNS3_NIC_LB_TEST_RING_ID 0 71 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 72 #define HNS3_NIC_LB_SETUP_USEC 10000 73 74 /* Nic loopback test err */ 75 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 76 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 77 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 78 79 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 80 { 81 struct hnae3_handle *h = hns3_get_handle(ndev); 82 bool vlan_filter_enable; 83 int ret; 84 85 if (!h->ae_algo->ops->set_loopback || 86 !h->ae_algo->ops->set_promisc_mode) 87 return -EOPNOTSUPP; 88 89 switch (loop) { 90 case HNAE3_LOOP_SERIAL_SERDES: 91 case HNAE3_LOOP_PARALLEL_SERDES: 92 case HNAE3_LOOP_APP: 93 case HNAE3_LOOP_PHY: 94 ret = h->ae_algo->ops->set_loopback(h, loop, en); 95 break; 96 default: 97 ret = -ENOTSUPP; 98 break; 99 } 100 101 if (ret || h->pdev->revision >= 0x21) 102 return ret; 103 104 if (en) { 105 h->ae_algo->ops->set_promisc_mode(h, true, true); 106 } else { 107 /* recover promisc mode before loopback test */ 108 hns3_request_update_promisc_mode(h); 109 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; 110 hns3_enable_vlan_filter(ndev, vlan_filter_enable); 111 } 112 113 return ret; 114 } 115 116 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 117 { 118 struct hnae3_handle *h = hns3_get_handle(ndev); 119 int ret; 120 121 ret = hns3_nic_reset_all_ring(h); 122 if (ret) 123 return ret; 124 125 ret = hns3_lp_setup(ndev, loop_mode, true); 126 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 127 128 return ret; 129 } 130 131 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 132 { 133 int ret; 134 135 ret = hns3_lp_setup(ndev, loop_mode, false); 136 if (ret) { 137 netdev_err(ndev, "lb_setup return error: %d\n", ret); 138 return ret; 139 } 140 141 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 142 143 return 0; 144 } 145 146 static void hns3_lp_setup_skb(struct sk_buff *skb) 147 { 148 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 149 150 struct net_device *ndev = skb->dev; 151 struct hnae3_handle *handle; 152 unsigned char *packet; 153 struct ethhdr *ethh; 154 unsigned int i; 155 156 skb_reserve(skb, NET_IP_ALIGN); 157 ethh = skb_put(skb, sizeof(struct ethhdr)); 158 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 159 160 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 161 162 /* The dst mac addr of loopback packet is the same as the host' 163 * mac addr, the SSU component may loop back the packet to host 164 * before the packet reaches mac or serdes, which will defect 165 * the purpose of mac or serdes selftest. 166 */ 167 handle = hns3_get_handle(ndev); 168 if (handle->pdev->revision == 0x20) 169 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 170 eth_zero_addr(ethh->h_source); 171 ethh->h_proto = htons(ETH_P_ARP); 172 skb_reset_mac_header(skb); 173 174 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 175 packet[i] = (unsigned char)(i & 0xff); 176 } 177 178 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 179 struct sk_buff *skb) 180 { 181 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 182 unsigned char *packet = skb->data; 183 u32 len = skb_headlen(skb); 184 u32 i; 185 186 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 187 188 for (i = 0; i < len; i++) 189 if (packet[i] != (unsigned char)(i & 0xff)) 190 break; 191 192 /* The packet is correctly received */ 193 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 194 tqp_vector->rx_group.total_packets++; 195 else 196 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 197 skb->data, len, true); 198 199 dev_kfree_skb_any(skb); 200 } 201 202 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 203 { 204 struct hnae3_handle *h = priv->ae_handle; 205 struct hnae3_knic_private_info *kinfo; 206 u32 i, rcv_good_pkt_total = 0; 207 208 kinfo = &h->kinfo; 209 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 210 struct hns3_enet_ring *ring = &priv->ring[i]; 211 struct hns3_enet_ring_group *rx_group; 212 u64 pre_rx_pkt; 213 214 rx_group = &ring->tqp_vector->rx_group; 215 pre_rx_pkt = rx_group->total_packets; 216 217 preempt_disable(); 218 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 219 preempt_enable(); 220 221 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 222 rx_group->total_packets = pre_rx_pkt; 223 } 224 return rcv_good_pkt_total; 225 } 226 227 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 228 u32 end_ringid, u32 budget) 229 { 230 u32 i; 231 232 for (i = start_ringid; i <= end_ringid; i++) { 233 struct hns3_enet_ring *ring = &priv->ring[i]; 234 235 hns3_clean_tx_ring(ring); 236 } 237 } 238 239 /** 240 * hns3_lp_run_test - run loopback test 241 * @ndev: net device 242 * @mode: loopback type 243 */ 244 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 245 { 246 struct hns3_nic_priv *priv = netdev_priv(ndev); 247 struct sk_buff *skb; 248 u32 i, good_cnt; 249 int ret_val = 0; 250 251 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 252 GFP_KERNEL); 253 if (!skb) 254 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 255 256 skb->dev = ndev; 257 hns3_lp_setup_skb(skb); 258 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 259 260 good_cnt = 0; 261 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 262 netdev_tx_t tx_ret; 263 264 skb_get(skb); 265 tx_ret = hns3_nic_net_xmit(skb, ndev); 266 if (tx_ret == NETDEV_TX_OK) { 267 good_cnt++; 268 } else { 269 kfree_skb(skb); 270 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 271 tx_ret); 272 } 273 } 274 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 275 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 276 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 277 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 278 goto out; 279 } 280 281 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 282 msleep(200); 283 284 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 285 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 286 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 287 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 288 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 289 } 290 291 out: 292 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 293 HNS3_NIC_LB_TEST_RING_ID, 294 HNS3_NIC_LB_TEST_PKT_NUM); 295 296 kfree_skb(skb); 297 return ret_val; 298 } 299 300 /** 301 * hns3_nic_self_test - self test 302 * @ndev: net device 303 * @eth_test: test cmd 304 * @data: test result 305 */ 306 static void hns3_self_test(struct net_device *ndev, 307 struct ethtool_test *eth_test, u64 *data) 308 { 309 struct hns3_nic_priv *priv = netdev_priv(ndev); 310 struct hnae3_handle *h = priv->ae_handle; 311 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 312 bool if_running = netif_running(ndev); 313 #if IS_ENABLED(CONFIG_VLAN_8021Q) 314 bool dis_vlan_filter; 315 #endif 316 int test_index = 0; 317 u32 i; 318 319 if (hns3_nic_resetting(ndev)) { 320 netdev_err(ndev, "dev resetting!"); 321 return; 322 } 323 324 /* Only do offline selftest, or pass by default */ 325 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 326 return; 327 328 netif_dbg(h, drv, ndev, "self test start"); 329 330 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 331 st_param[HNAE3_LOOP_APP][1] = 332 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 333 334 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 335 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 336 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 337 338 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 339 HNAE3_LOOP_PARALLEL_SERDES; 340 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 341 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 342 343 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 344 st_param[HNAE3_LOOP_PHY][1] = 345 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 346 347 if (if_running) 348 ndev->netdev_ops->ndo_stop(ndev); 349 350 #if IS_ENABLED(CONFIG_VLAN_8021Q) 351 /* Disable the vlan filter for selftest does not support it */ 352 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && 353 h->ae_algo->ops->enable_vlan_filter; 354 if (dis_vlan_filter) 355 h->ae_algo->ops->enable_vlan_filter(h, false); 356 #endif 357 358 /* Tell firmware to stop mac autoneg before loopback test start, 359 * otherwise loopback test may be failed when the port is still 360 * negotiating. 361 */ 362 if (h->ae_algo->ops->halt_autoneg) 363 h->ae_algo->ops->halt_autoneg(h, true); 364 365 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 366 367 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 368 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 369 370 if (!st_param[i][1]) 371 continue; 372 373 data[test_index] = hns3_lp_up(ndev, loop_type); 374 if (!data[test_index]) 375 data[test_index] = hns3_lp_run_test(ndev, loop_type); 376 377 hns3_lp_down(ndev, loop_type); 378 379 if (data[test_index]) 380 eth_test->flags |= ETH_TEST_FL_FAILED; 381 382 test_index++; 383 } 384 385 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 386 387 if (h->ae_algo->ops->halt_autoneg) 388 h->ae_algo->ops->halt_autoneg(h, false); 389 390 #if IS_ENABLED(CONFIG_VLAN_8021Q) 391 if (dis_vlan_filter) 392 h->ae_algo->ops->enable_vlan_filter(h, true); 393 #endif 394 395 if (if_running) 396 ndev->netdev_ops->ndo_open(ndev); 397 398 netif_dbg(h, drv, ndev, "self test end\n"); 399 } 400 401 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 402 { 403 struct hnae3_handle *h = hns3_get_handle(netdev); 404 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 405 406 if (!ops->get_sset_count) 407 return -EOPNOTSUPP; 408 409 switch (stringset) { 410 case ETH_SS_STATS: 411 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 412 ops->get_sset_count(h, stringset)); 413 414 case ETH_SS_TEST: 415 return ops->get_sset_count(h, stringset); 416 417 default: 418 return -EOPNOTSUPP; 419 } 420 } 421 422 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 423 u32 stat_count, u32 num_tqps, const char *prefix) 424 { 425 #define MAX_PREFIX_SIZE (6 + 4) 426 u32 size_left; 427 u32 i, j; 428 u32 n1; 429 430 for (i = 0; i < num_tqps; i++) { 431 for (j = 0; j < stat_count; j++) { 432 data[ETH_GSTRING_LEN - 1] = '\0'; 433 434 /* first, prepend the prefix string */ 435 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%d_", 436 prefix, i); 437 size_left = (ETH_GSTRING_LEN - 1) - n1; 438 439 /* now, concatenate the stats string to it */ 440 strncat(data, stats[j].stats_string, size_left); 441 data += ETH_GSTRING_LEN; 442 } 443 } 444 445 return data; 446 } 447 448 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 449 { 450 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 451 const char tx_prefix[] = "txq"; 452 const char rx_prefix[] = "rxq"; 453 454 /* get strings for Tx */ 455 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 456 kinfo->num_tqps, tx_prefix); 457 458 /* get strings for Rx */ 459 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 460 kinfo->num_tqps, rx_prefix); 461 462 return data; 463 } 464 465 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 466 { 467 struct hnae3_handle *h = hns3_get_handle(netdev); 468 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 469 char *buff = (char *)data; 470 471 if (!ops->get_strings) 472 return; 473 474 switch (stringset) { 475 case ETH_SS_STATS: 476 buff = hns3_get_strings_tqps(h, buff); 477 ops->get_strings(h, stringset, (u8 *)buff); 478 break; 479 case ETH_SS_TEST: 480 ops->get_strings(h, stringset, data); 481 break; 482 default: 483 break; 484 } 485 } 486 487 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 488 { 489 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 490 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 491 struct hns3_enet_ring *ring; 492 u8 *stat; 493 int i, j; 494 495 /* get stats for Tx */ 496 for (i = 0; i < kinfo->num_tqps; i++) { 497 ring = &nic_priv->ring[i]; 498 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 499 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 500 *data++ = *(u64 *)stat; 501 } 502 } 503 504 /* get stats for Rx */ 505 for (i = 0; i < kinfo->num_tqps; i++) { 506 ring = &nic_priv->ring[i + kinfo->num_tqps]; 507 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 508 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 509 *data++ = *(u64 *)stat; 510 } 511 } 512 513 return data; 514 } 515 516 /* hns3_get_stats - get detail statistics. 517 * @netdev: net device 518 * @stats: statistics info. 519 * @data: statistics data. 520 */ 521 static void hns3_get_stats(struct net_device *netdev, 522 struct ethtool_stats *stats, u64 *data) 523 { 524 struct hnae3_handle *h = hns3_get_handle(netdev); 525 u64 *p = data; 526 527 if (hns3_nic_resetting(netdev)) { 528 netdev_err(netdev, "dev resetting, could not get stats\n"); 529 return; 530 } 531 532 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 533 netdev_err(netdev, "could not get any statistics\n"); 534 return; 535 } 536 537 h->ae_algo->ops->update_stats(h, &netdev->stats); 538 539 /* get per-queue stats */ 540 p = hns3_get_stats_tqps(h, p); 541 542 /* get MAC & other misc hardware stats */ 543 h->ae_algo->ops->get_stats(h, p); 544 } 545 546 static void hns3_get_drvinfo(struct net_device *netdev, 547 struct ethtool_drvinfo *drvinfo) 548 { 549 struct hns3_nic_priv *priv = netdev_priv(netdev); 550 struct hnae3_handle *h = priv->ae_handle; 551 u32 fw_version; 552 553 if (!h->ae_algo->ops->get_fw_version) { 554 netdev_err(netdev, "could not get fw version!\n"); 555 return; 556 } 557 558 strncpy(drvinfo->driver, h->pdev->driver->name, 559 sizeof(drvinfo->driver)); 560 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 561 562 strncpy(drvinfo->bus_info, pci_name(h->pdev), 563 sizeof(drvinfo->bus_info)); 564 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 565 566 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 567 568 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 569 "%lu.%lu.%lu.%lu", 570 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 571 HNAE3_FW_VERSION_BYTE3_SHIFT), 572 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 573 HNAE3_FW_VERSION_BYTE2_SHIFT), 574 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 575 HNAE3_FW_VERSION_BYTE1_SHIFT), 576 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 577 HNAE3_FW_VERSION_BYTE0_SHIFT)); 578 } 579 580 static u32 hns3_get_link(struct net_device *netdev) 581 { 582 struct hnae3_handle *h = hns3_get_handle(netdev); 583 584 if (h->ae_algo->ops->get_status) 585 return h->ae_algo->ops->get_status(h); 586 else 587 return 0; 588 } 589 590 static void hns3_get_ringparam(struct net_device *netdev, 591 struct ethtool_ringparam *param) 592 { 593 struct hns3_nic_priv *priv = netdev_priv(netdev); 594 struct hnae3_handle *h = priv->ae_handle; 595 int queue_num = h->kinfo.num_tqps; 596 597 if (hns3_nic_resetting(netdev)) { 598 netdev_err(netdev, "dev resetting!"); 599 return; 600 } 601 602 param->tx_max_pending = HNS3_RING_MAX_PENDING; 603 param->rx_max_pending = HNS3_RING_MAX_PENDING; 604 605 param->tx_pending = priv->ring[0].desc_num; 606 param->rx_pending = priv->ring[queue_num].desc_num; 607 } 608 609 static void hns3_get_pauseparam(struct net_device *netdev, 610 struct ethtool_pauseparam *param) 611 { 612 struct hnae3_handle *h = hns3_get_handle(netdev); 613 614 if (h->ae_algo->ops->get_pauseparam) 615 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 616 ¶m->rx_pause, ¶m->tx_pause); 617 } 618 619 static int hns3_set_pauseparam(struct net_device *netdev, 620 struct ethtool_pauseparam *param) 621 { 622 struct hnae3_handle *h = hns3_get_handle(netdev); 623 624 netif_dbg(h, drv, netdev, 625 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 626 param->autoneg, param->rx_pause, param->tx_pause); 627 628 if (h->ae_algo->ops->set_pauseparam) 629 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 630 param->rx_pause, 631 param->tx_pause); 632 return -EOPNOTSUPP; 633 } 634 635 static void hns3_get_ksettings(struct hnae3_handle *h, 636 struct ethtool_link_ksettings *cmd) 637 { 638 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 639 640 /* 1.auto_neg & speed & duplex from cmd */ 641 if (ops->get_ksettings_an_result) 642 ops->get_ksettings_an_result(h, 643 &cmd->base.autoneg, 644 &cmd->base.speed, 645 &cmd->base.duplex); 646 647 /* 2.get link mode */ 648 if (ops->get_link_mode) 649 ops->get_link_mode(h, 650 cmd->link_modes.supported, 651 cmd->link_modes.advertising); 652 653 /* 3.mdix_ctrl&mdix get from phy reg */ 654 if (ops->get_mdix_mode) 655 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 656 &cmd->base.eth_tp_mdix); 657 } 658 659 static int hns3_get_link_ksettings(struct net_device *netdev, 660 struct ethtool_link_ksettings *cmd) 661 { 662 struct hnae3_handle *h = hns3_get_handle(netdev); 663 const struct hnae3_ae_ops *ops; 664 u8 module_type; 665 u8 media_type; 666 u8 link_stat; 667 668 ops = h->ae_algo->ops; 669 if (ops->get_media_type) 670 ops->get_media_type(h, &media_type, &module_type); 671 else 672 return -EOPNOTSUPP; 673 674 switch (media_type) { 675 case HNAE3_MEDIA_TYPE_NONE: 676 cmd->base.port = PORT_NONE; 677 hns3_get_ksettings(h, cmd); 678 break; 679 case HNAE3_MEDIA_TYPE_FIBER: 680 if (module_type == HNAE3_MODULE_TYPE_CR) 681 cmd->base.port = PORT_DA; 682 else 683 cmd->base.port = PORT_FIBRE; 684 685 hns3_get_ksettings(h, cmd); 686 break; 687 case HNAE3_MEDIA_TYPE_BACKPLANE: 688 cmd->base.port = PORT_NONE; 689 hns3_get_ksettings(h, cmd); 690 break; 691 case HNAE3_MEDIA_TYPE_COPPER: 692 cmd->base.port = PORT_TP; 693 if (!netdev->phydev) 694 hns3_get_ksettings(h, cmd); 695 else 696 phy_ethtool_ksettings_get(netdev->phydev, cmd); 697 break; 698 default: 699 700 netdev_warn(netdev, "Unknown media type"); 701 return 0; 702 } 703 704 /* mdio_support */ 705 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 706 707 link_stat = hns3_get_link(netdev); 708 if (!link_stat) { 709 cmd->base.speed = SPEED_UNKNOWN; 710 cmd->base.duplex = DUPLEX_UNKNOWN; 711 } 712 713 return 0; 714 } 715 716 static int hns3_check_ksettings_param(const struct net_device *netdev, 717 const struct ethtool_link_ksettings *cmd) 718 { 719 struct hnae3_handle *handle = hns3_get_handle(netdev); 720 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 721 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 722 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 723 u8 autoneg; 724 u32 speed; 725 u8 duplex; 726 int ret; 727 728 /* hw doesn't support use specified speed and duplex to negotiate, 729 * unnecessary to check them when autoneg on. 730 */ 731 if (cmd->base.autoneg) 732 return 0; 733 734 if (ops->get_ksettings_an_result) { 735 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 736 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 737 cmd->base.duplex == duplex) 738 return 0; 739 } 740 741 if (ops->get_media_type) 742 ops->get_media_type(handle, &media_type, &module_type); 743 744 if (cmd->base.duplex == DUPLEX_HALF && 745 media_type != HNAE3_MEDIA_TYPE_COPPER) { 746 netdev_err(netdev, 747 "only copper port supports half duplex!"); 748 return -EINVAL; 749 } 750 751 if (ops->check_port_speed) { 752 ret = ops->check_port_speed(handle, cmd->base.speed); 753 if (ret) { 754 netdev_err(netdev, "unsupported speed\n"); 755 return ret; 756 } 757 } 758 759 return 0; 760 } 761 762 static int hns3_set_link_ksettings(struct net_device *netdev, 763 const struct ethtool_link_ksettings *cmd) 764 { 765 struct hnae3_handle *handle = hns3_get_handle(netdev); 766 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 767 int ret; 768 769 /* Chip don't support this mode. */ 770 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 771 return -EINVAL; 772 773 netif_dbg(handle, drv, netdev, 774 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 775 netdev->phydev ? "phy" : "mac", 776 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 777 778 /* Only support ksettings_set for netdev with phy attached for now */ 779 if (netdev->phydev) { 780 if (cmd->base.speed == SPEED_1000 && 781 cmd->base.autoneg == AUTONEG_DISABLE) 782 return -EINVAL; 783 784 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 785 } 786 787 if (handle->pdev->revision == 0x20) 788 return -EOPNOTSUPP; 789 790 ret = hns3_check_ksettings_param(netdev, cmd); 791 if (ret) 792 return ret; 793 794 if (ops->set_autoneg) { 795 ret = ops->set_autoneg(handle, cmd->base.autoneg); 796 if (ret) 797 return ret; 798 } 799 800 /* hw doesn't support use specified speed and duplex to negotiate, 801 * ignore them when autoneg on. 802 */ 803 if (cmd->base.autoneg) { 804 netdev_info(netdev, 805 "autoneg is on, ignore the speed and duplex\n"); 806 return 0; 807 } 808 809 if (ops->cfg_mac_speed_dup_h) 810 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 811 cmd->base.duplex); 812 813 return ret; 814 } 815 816 static u32 hns3_get_rss_key_size(struct net_device *netdev) 817 { 818 struct hnae3_handle *h = hns3_get_handle(netdev); 819 820 if (!h->ae_algo->ops->get_rss_key_size) 821 return 0; 822 823 return h->ae_algo->ops->get_rss_key_size(h); 824 } 825 826 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 827 { 828 struct hnae3_handle *h = hns3_get_handle(netdev); 829 830 if (!h->ae_algo->ops->get_rss_indir_size) 831 return 0; 832 833 return h->ae_algo->ops->get_rss_indir_size(h); 834 } 835 836 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 837 u8 *hfunc) 838 { 839 struct hnae3_handle *h = hns3_get_handle(netdev); 840 841 if (!h->ae_algo->ops->get_rss) 842 return -EOPNOTSUPP; 843 844 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 845 } 846 847 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 848 const u8 *key, const u8 hfunc) 849 { 850 struct hnae3_handle *h = hns3_get_handle(netdev); 851 852 if (!h->ae_algo->ops->set_rss) 853 return -EOPNOTSUPP; 854 855 if ((h->pdev->revision == 0x20 && 856 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 857 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 858 netdev_err(netdev, "hash func not supported\n"); 859 return -EOPNOTSUPP; 860 } 861 862 if (!indir) { 863 netdev_err(netdev, 864 "set rss failed for indir is empty\n"); 865 return -EOPNOTSUPP; 866 } 867 868 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 869 } 870 871 static int hns3_get_rxnfc(struct net_device *netdev, 872 struct ethtool_rxnfc *cmd, 873 u32 *rule_locs) 874 { 875 struct hnae3_handle *h = hns3_get_handle(netdev); 876 877 switch (cmd->cmd) { 878 case ETHTOOL_GRXRINGS: 879 cmd->data = h->kinfo.num_tqps; 880 return 0; 881 case ETHTOOL_GRXFH: 882 if (h->ae_algo->ops->get_rss_tuple) 883 return h->ae_algo->ops->get_rss_tuple(h, cmd); 884 return -EOPNOTSUPP; 885 case ETHTOOL_GRXCLSRLCNT: 886 if (h->ae_algo->ops->get_fd_rule_cnt) 887 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 888 return -EOPNOTSUPP; 889 case ETHTOOL_GRXCLSRULE: 890 if (h->ae_algo->ops->get_fd_rule_info) 891 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 892 return -EOPNOTSUPP; 893 case ETHTOOL_GRXCLSRLALL: 894 if (h->ae_algo->ops->get_fd_all_rules) 895 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 896 rule_locs); 897 return -EOPNOTSUPP; 898 default: 899 return -EOPNOTSUPP; 900 } 901 } 902 903 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 904 u32 tx_desc_num, u32 rx_desc_num) 905 { 906 struct hnae3_handle *h = priv->ae_handle; 907 int i; 908 909 h->kinfo.num_tx_desc = tx_desc_num; 910 h->kinfo.num_rx_desc = rx_desc_num; 911 912 for (i = 0; i < h->kinfo.num_tqps; i++) { 913 priv->ring[i].desc_num = tx_desc_num; 914 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 915 } 916 } 917 918 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 919 { 920 struct hnae3_handle *handle = priv->ae_handle; 921 struct hns3_enet_ring *tmp_rings; 922 int i; 923 924 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 925 sizeof(struct hns3_enet_ring), GFP_KERNEL); 926 if (!tmp_rings) 927 return NULL; 928 929 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 930 memcpy(&tmp_rings[i], &priv->ring[i], 931 sizeof(struct hns3_enet_ring)); 932 tmp_rings[i].skb = NULL; 933 } 934 935 return tmp_rings; 936 } 937 938 static int hns3_check_ringparam(struct net_device *ndev, 939 struct ethtool_ringparam *param) 940 { 941 if (hns3_nic_resetting(ndev)) 942 return -EBUSY; 943 944 if (param->rx_mini_pending || param->rx_jumbo_pending) 945 return -EINVAL; 946 947 if (param->tx_pending > HNS3_RING_MAX_PENDING || 948 param->tx_pending < HNS3_RING_MIN_PENDING || 949 param->rx_pending > HNS3_RING_MAX_PENDING || 950 param->rx_pending < HNS3_RING_MIN_PENDING) { 951 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 952 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 953 return -EINVAL; 954 } 955 956 return 0; 957 } 958 959 static int hns3_set_ringparam(struct net_device *ndev, 960 struct ethtool_ringparam *param) 961 { 962 struct hns3_nic_priv *priv = netdev_priv(ndev); 963 struct hnae3_handle *h = priv->ae_handle; 964 struct hns3_enet_ring *tmp_rings; 965 bool if_running = netif_running(ndev); 966 u32 old_tx_desc_num, new_tx_desc_num; 967 u32 old_rx_desc_num, new_rx_desc_num; 968 u16 queue_num = h->kinfo.num_tqps; 969 int ret, i; 970 971 ret = hns3_check_ringparam(ndev, param); 972 if (ret) 973 return ret; 974 975 /* Hardware requires that its descriptors must be multiple of eight */ 976 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 977 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 978 old_tx_desc_num = priv->ring[0].desc_num; 979 old_rx_desc_num = priv->ring[queue_num].desc_num; 980 if (old_tx_desc_num == new_tx_desc_num && 981 old_rx_desc_num == new_rx_desc_num) 982 return 0; 983 984 tmp_rings = hns3_backup_ringparam(priv); 985 if (!tmp_rings) { 986 netdev_err(ndev, 987 "backup ring param failed by allocating memory fail\n"); 988 return -ENOMEM; 989 } 990 991 netdev_info(ndev, 992 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 993 old_tx_desc_num, old_rx_desc_num, 994 new_tx_desc_num, new_rx_desc_num); 995 996 if (if_running) 997 ndev->netdev_ops->ndo_stop(ndev); 998 999 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1000 ret = hns3_init_all_ring(priv); 1001 if (ret) { 1002 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1003 ret); 1004 1005 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1006 old_rx_desc_num); 1007 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1008 memcpy(&priv->ring[i], &tmp_rings[i], 1009 sizeof(struct hns3_enet_ring)); 1010 } else { 1011 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1012 hns3_fini_ring(&tmp_rings[i]); 1013 } 1014 1015 kfree(tmp_rings); 1016 1017 if (if_running) 1018 ret = ndev->netdev_ops->ndo_open(ndev); 1019 1020 return ret; 1021 } 1022 1023 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1024 { 1025 struct hnae3_handle *h = hns3_get_handle(netdev); 1026 1027 switch (cmd->cmd) { 1028 case ETHTOOL_SRXFH: 1029 if (h->ae_algo->ops->set_rss_tuple) 1030 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1031 return -EOPNOTSUPP; 1032 case ETHTOOL_SRXCLSRLINS: 1033 if (h->ae_algo->ops->add_fd_entry) 1034 return h->ae_algo->ops->add_fd_entry(h, cmd); 1035 return -EOPNOTSUPP; 1036 case ETHTOOL_SRXCLSRLDEL: 1037 if (h->ae_algo->ops->del_fd_entry) 1038 return h->ae_algo->ops->del_fd_entry(h, cmd); 1039 return -EOPNOTSUPP; 1040 default: 1041 return -EOPNOTSUPP; 1042 } 1043 } 1044 1045 static int hns3_nway_reset(struct net_device *netdev) 1046 { 1047 struct hnae3_handle *handle = hns3_get_handle(netdev); 1048 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1049 struct phy_device *phy = netdev->phydev; 1050 int autoneg; 1051 1052 if (!netif_running(netdev)) 1053 return 0; 1054 1055 if (hns3_nic_resetting(netdev)) { 1056 netdev_err(netdev, "dev resetting!"); 1057 return -EBUSY; 1058 } 1059 1060 if (!ops->get_autoneg || !ops->restart_autoneg) 1061 return -EOPNOTSUPP; 1062 1063 autoneg = ops->get_autoneg(handle); 1064 if (autoneg != AUTONEG_ENABLE) { 1065 netdev_err(netdev, 1066 "Autoneg is off, don't support to restart it\n"); 1067 return -EINVAL; 1068 } 1069 1070 netif_dbg(handle, drv, netdev, 1071 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1072 1073 if (phy) 1074 return genphy_restart_aneg(phy); 1075 1076 if (handle->pdev->revision == 0x20) 1077 return -EOPNOTSUPP; 1078 1079 return ops->restart_autoneg(handle); 1080 } 1081 1082 static void hns3_get_channels(struct net_device *netdev, 1083 struct ethtool_channels *ch) 1084 { 1085 struct hnae3_handle *h = hns3_get_handle(netdev); 1086 1087 if (h->ae_algo->ops->get_channels) 1088 h->ae_algo->ops->get_channels(h, ch); 1089 } 1090 1091 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1092 struct ethtool_coalesce *cmd) 1093 { 1094 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1095 struct hns3_nic_priv *priv = netdev_priv(netdev); 1096 struct hnae3_handle *h = priv->ae_handle; 1097 u16 queue_num = h->kinfo.num_tqps; 1098 1099 if (hns3_nic_resetting(netdev)) 1100 return -EBUSY; 1101 1102 if (queue >= queue_num) { 1103 netdev_err(netdev, 1104 "Invalid queue value %u! Queue max id=%u\n", 1105 queue, queue_num - 1); 1106 return -EINVAL; 1107 } 1108 1109 tx_vector = priv->ring[queue].tqp_vector; 1110 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1111 1112 cmd->use_adaptive_tx_coalesce = 1113 tx_vector->tx_group.coal.gl_adapt_enable; 1114 cmd->use_adaptive_rx_coalesce = 1115 rx_vector->rx_group.coal.gl_adapt_enable; 1116 1117 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1118 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1119 1120 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1121 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1122 1123 return 0; 1124 } 1125 1126 static int hns3_get_coalesce(struct net_device *netdev, 1127 struct ethtool_coalesce *cmd) 1128 { 1129 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1130 } 1131 1132 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1133 struct ethtool_coalesce *cmd) 1134 { 1135 u32 rx_gl, tx_gl; 1136 1137 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1138 netdev_err(netdev, 1139 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1140 HNS3_INT_GL_MAX); 1141 return -EINVAL; 1142 } 1143 1144 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1145 netdev_err(netdev, 1146 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1147 HNS3_INT_GL_MAX); 1148 return -EINVAL; 1149 } 1150 1151 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1152 if (rx_gl != cmd->rx_coalesce_usecs) { 1153 netdev_info(netdev, 1154 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1155 cmd->rx_coalesce_usecs, rx_gl); 1156 } 1157 1158 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1159 if (tx_gl != cmd->tx_coalesce_usecs) { 1160 netdev_info(netdev, 1161 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1162 cmd->tx_coalesce_usecs, tx_gl); 1163 } 1164 1165 return 0; 1166 } 1167 1168 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1169 struct ethtool_coalesce *cmd) 1170 { 1171 u32 rl; 1172 1173 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1174 netdev_err(netdev, 1175 "tx_usecs_high must be same as rx_usecs_high.\n"); 1176 return -EINVAL; 1177 } 1178 1179 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1180 netdev_err(netdev, 1181 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1182 HNS3_INT_RL_MAX); 1183 return -EINVAL; 1184 } 1185 1186 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1187 if (rl != cmd->rx_coalesce_usecs_high) { 1188 netdev_info(netdev, 1189 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1190 cmd->rx_coalesce_usecs_high, rl); 1191 } 1192 1193 return 0; 1194 } 1195 1196 static int hns3_check_coalesce_para(struct net_device *netdev, 1197 struct ethtool_coalesce *cmd) 1198 { 1199 int ret; 1200 1201 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1202 if (ret) { 1203 netdev_err(netdev, 1204 "Check gl coalesce param fail. ret = %d\n", ret); 1205 return ret; 1206 } 1207 1208 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1209 if (ret) { 1210 netdev_err(netdev, 1211 "Check rl coalesce param fail. ret = %d\n", ret); 1212 return ret; 1213 } 1214 1215 if (cmd->use_adaptive_tx_coalesce == 1 || 1216 cmd->use_adaptive_rx_coalesce == 1) { 1217 netdev_info(netdev, 1218 "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n", 1219 cmd->use_adaptive_tx_coalesce, 1220 cmd->use_adaptive_rx_coalesce); 1221 } 1222 1223 return 0; 1224 } 1225 1226 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1227 struct ethtool_coalesce *cmd, 1228 u32 queue) 1229 { 1230 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1231 struct hns3_nic_priv *priv = netdev_priv(netdev); 1232 struct hnae3_handle *h = priv->ae_handle; 1233 int queue_num = h->kinfo.num_tqps; 1234 1235 tx_vector = priv->ring[queue].tqp_vector; 1236 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1237 1238 tx_vector->tx_group.coal.gl_adapt_enable = 1239 cmd->use_adaptive_tx_coalesce; 1240 rx_vector->rx_group.coal.gl_adapt_enable = 1241 cmd->use_adaptive_rx_coalesce; 1242 1243 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1244 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1245 1246 hns3_set_vector_coalesce_tx_gl(tx_vector, 1247 tx_vector->tx_group.coal.int_gl); 1248 hns3_set_vector_coalesce_rx_gl(rx_vector, 1249 rx_vector->rx_group.coal.int_gl); 1250 1251 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1252 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1253 } 1254 1255 static int hns3_set_coalesce(struct net_device *netdev, 1256 struct ethtool_coalesce *cmd) 1257 { 1258 struct hnae3_handle *h = hns3_get_handle(netdev); 1259 u16 queue_num = h->kinfo.num_tqps; 1260 int ret; 1261 int i; 1262 1263 if (hns3_nic_resetting(netdev)) 1264 return -EBUSY; 1265 1266 ret = hns3_check_coalesce_para(netdev, cmd); 1267 if (ret) 1268 return ret; 1269 1270 h->kinfo.int_rl_setting = 1271 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1272 1273 for (i = 0; i < queue_num; i++) 1274 hns3_set_coalesce_per_queue(netdev, cmd, i); 1275 1276 return 0; 1277 } 1278 1279 static int hns3_get_regs_len(struct net_device *netdev) 1280 { 1281 struct hnae3_handle *h = hns3_get_handle(netdev); 1282 1283 if (!h->ae_algo->ops->get_regs_len) 1284 return -EOPNOTSUPP; 1285 1286 return h->ae_algo->ops->get_regs_len(h); 1287 } 1288 1289 static void hns3_get_regs(struct net_device *netdev, 1290 struct ethtool_regs *cmd, void *data) 1291 { 1292 struct hnae3_handle *h = hns3_get_handle(netdev); 1293 1294 if (!h->ae_algo->ops->get_regs) 1295 return; 1296 1297 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1298 } 1299 1300 static int hns3_set_phys_id(struct net_device *netdev, 1301 enum ethtool_phys_id_state state) 1302 { 1303 struct hnae3_handle *h = hns3_get_handle(netdev); 1304 1305 if (!h->ae_algo->ops->set_led_id) 1306 return -EOPNOTSUPP; 1307 1308 return h->ae_algo->ops->set_led_id(h, state); 1309 } 1310 1311 static u32 hns3_get_msglevel(struct net_device *netdev) 1312 { 1313 struct hnae3_handle *h = hns3_get_handle(netdev); 1314 1315 return h->msg_enable; 1316 } 1317 1318 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1319 { 1320 struct hnae3_handle *h = hns3_get_handle(netdev); 1321 1322 h->msg_enable = msg_level; 1323 } 1324 1325 /* Translate local fec value into ethtool value. */ 1326 static unsigned int loc_to_eth_fec(u8 loc_fec) 1327 { 1328 u32 eth_fec = 0; 1329 1330 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1331 eth_fec |= ETHTOOL_FEC_AUTO; 1332 if (loc_fec & BIT(HNAE3_FEC_RS)) 1333 eth_fec |= ETHTOOL_FEC_RS; 1334 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1335 eth_fec |= ETHTOOL_FEC_BASER; 1336 1337 /* if nothing is set, then FEC is off */ 1338 if (!eth_fec) 1339 eth_fec = ETHTOOL_FEC_OFF; 1340 1341 return eth_fec; 1342 } 1343 1344 /* Translate ethtool fec value into local value. */ 1345 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1346 { 1347 u32 loc_fec = 0; 1348 1349 if (eth_fec & ETHTOOL_FEC_OFF) 1350 return loc_fec; 1351 1352 if (eth_fec & ETHTOOL_FEC_AUTO) 1353 loc_fec |= BIT(HNAE3_FEC_AUTO); 1354 if (eth_fec & ETHTOOL_FEC_RS) 1355 loc_fec |= BIT(HNAE3_FEC_RS); 1356 if (eth_fec & ETHTOOL_FEC_BASER) 1357 loc_fec |= BIT(HNAE3_FEC_BASER); 1358 1359 return loc_fec; 1360 } 1361 1362 static int hns3_get_fecparam(struct net_device *netdev, 1363 struct ethtool_fecparam *fec) 1364 { 1365 struct hnae3_handle *handle = hns3_get_handle(netdev); 1366 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1367 u8 fec_ability; 1368 u8 fec_mode; 1369 1370 if (handle->pdev->revision == 0x20) 1371 return -EOPNOTSUPP; 1372 1373 if (!ops->get_fec) 1374 return -EOPNOTSUPP; 1375 1376 ops->get_fec(handle, &fec_ability, &fec_mode); 1377 1378 fec->fec = loc_to_eth_fec(fec_ability); 1379 fec->active_fec = loc_to_eth_fec(fec_mode); 1380 1381 return 0; 1382 } 1383 1384 static int hns3_set_fecparam(struct net_device *netdev, 1385 struct ethtool_fecparam *fec) 1386 { 1387 struct hnae3_handle *handle = hns3_get_handle(netdev); 1388 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1389 u32 fec_mode; 1390 1391 if (handle->pdev->revision == 0x20) 1392 return -EOPNOTSUPP; 1393 1394 if (!ops->set_fec) 1395 return -EOPNOTSUPP; 1396 fec_mode = eth_to_loc_fec(fec->fec); 1397 1398 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1399 1400 return ops->set_fec(handle, fec_mode); 1401 } 1402 1403 static int hns3_get_module_info(struct net_device *netdev, 1404 struct ethtool_modinfo *modinfo) 1405 { 1406 #define HNS3_SFF_8636_V1_3 0x03 1407 1408 struct hnae3_handle *handle = hns3_get_handle(netdev); 1409 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1410 struct hns3_sfp_type sfp_type; 1411 int ret; 1412 1413 if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom) 1414 return -EOPNOTSUPP; 1415 1416 memset(&sfp_type, 0, sizeof(sfp_type)); 1417 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1418 (u8 *)&sfp_type); 1419 if (ret) 1420 return ret; 1421 1422 switch (sfp_type.type) { 1423 case SFF8024_ID_SFP: 1424 modinfo->type = ETH_MODULE_SFF_8472; 1425 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1426 break; 1427 case SFF8024_ID_QSFP_8438: 1428 modinfo->type = ETH_MODULE_SFF_8436; 1429 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1430 break; 1431 case SFF8024_ID_QSFP_8436_8636: 1432 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1433 modinfo->type = ETH_MODULE_SFF_8436; 1434 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1435 } else { 1436 modinfo->type = ETH_MODULE_SFF_8636; 1437 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1438 } 1439 break; 1440 case SFF8024_ID_QSFP28_8636: 1441 modinfo->type = ETH_MODULE_SFF_8636; 1442 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1443 break; 1444 default: 1445 netdev_err(netdev, "Optical module unknown: %#x\n", 1446 sfp_type.type); 1447 return -EINVAL; 1448 } 1449 1450 return 0; 1451 } 1452 1453 static int hns3_get_module_eeprom(struct net_device *netdev, 1454 struct ethtool_eeprom *ee, u8 *data) 1455 { 1456 struct hnae3_handle *handle = hns3_get_handle(netdev); 1457 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1458 1459 if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom) 1460 return -EOPNOTSUPP; 1461 1462 if (!ee->len) 1463 return -EINVAL; 1464 1465 memset(data, 0, ee->len); 1466 1467 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1468 } 1469 1470 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1471 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1472 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1473 ETHTOOL_COALESCE_TX_USECS_HIGH) 1474 1475 static const struct ethtool_ops hns3vf_ethtool_ops = { 1476 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1477 .get_drvinfo = hns3_get_drvinfo, 1478 .get_ringparam = hns3_get_ringparam, 1479 .set_ringparam = hns3_set_ringparam, 1480 .get_strings = hns3_get_strings, 1481 .get_ethtool_stats = hns3_get_stats, 1482 .get_sset_count = hns3_get_sset_count, 1483 .get_rxnfc = hns3_get_rxnfc, 1484 .set_rxnfc = hns3_set_rxnfc, 1485 .get_rxfh_key_size = hns3_get_rss_key_size, 1486 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1487 .get_rxfh = hns3_get_rss, 1488 .set_rxfh = hns3_set_rss, 1489 .get_link_ksettings = hns3_get_link_ksettings, 1490 .get_channels = hns3_get_channels, 1491 .set_channels = hns3_set_channels, 1492 .get_coalesce = hns3_get_coalesce, 1493 .set_coalesce = hns3_set_coalesce, 1494 .get_regs_len = hns3_get_regs_len, 1495 .get_regs = hns3_get_regs, 1496 .get_link = hns3_get_link, 1497 .get_msglevel = hns3_get_msglevel, 1498 .set_msglevel = hns3_set_msglevel, 1499 }; 1500 1501 static const struct ethtool_ops hns3_ethtool_ops = { 1502 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1503 .self_test = hns3_self_test, 1504 .get_drvinfo = hns3_get_drvinfo, 1505 .get_link = hns3_get_link, 1506 .get_ringparam = hns3_get_ringparam, 1507 .set_ringparam = hns3_set_ringparam, 1508 .get_pauseparam = hns3_get_pauseparam, 1509 .set_pauseparam = hns3_set_pauseparam, 1510 .get_strings = hns3_get_strings, 1511 .get_ethtool_stats = hns3_get_stats, 1512 .get_sset_count = hns3_get_sset_count, 1513 .get_rxnfc = hns3_get_rxnfc, 1514 .set_rxnfc = hns3_set_rxnfc, 1515 .get_rxfh_key_size = hns3_get_rss_key_size, 1516 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1517 .get_rxfh = hns3_get_rss, 1518 .set_rxfh = hns3_set_rss, 1519 .get_link_ksettings = hns3_get_link_ksettings, 1520 .set_link_ksettings = hns3_set_link_ksettings, 1521 .nway_reset = hns3_nway_reset, 1522 .get_channels = hns3_get_channels, 1523 .set_channels = hns3_set_channels, 1524 .get_coalesce = hns3_get_coalesce, 1525 .set_coalesce = hns3_set_coalesce, 1526 .get_regs_len = hns3_get_regs_len, 1527 .get_regs = hns3_get_regs, 1528 .set_phys_id = hns3_set_phys_id, 1529 .get_msglevel = hns3_get_msglevel, 1530 .set_msglevel = hns3_set_msglevel, 1531 .get_fecparam = hns3_get_fecparam, 1532 .set_fecparam = hns3_set_fecparam, 1533 .get_module_info = hns3_get_module_info, 1534 .get_module_eeprom = hns3_get_module_eeprom, 1535 }; 1536 1537 void hns3_ethtool_set_ops(struct net_device *netdev) 1538 { 1539 struct hnae3_handle *h = hns3_get_handle(netdev); 1540 1541 if (h->flags & HNAE3_SUPPORT_VF) 1542 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1543 else 1544 netdev->ethtool_ops = &hns3_ethtool_ops; 1545 } 1546