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("dropped", sw_err_cnt), 31 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 32 HNS3_TQP_STAT("packets", tx_pkts), 33 HNS3_TQP_STAT("bytes", tx_bytes), 34 HNS3_TQP_STAT("more", tx_more), 35 HNS3_TQP_STAT("wake", restart_queue), 36 HNS3_TQP_STAT("busy", tx_busy), 37 HNS3_TQP_STAT("copy", tx_copy), 38 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 39 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 40 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 41 HNS3_TQP_STAT("tso_err", tx_tso_err), 42 }; 43 44 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 45 46 static const struct hns3_stats hns3_rxq_stats[] = { 47 /* Rx per-queue statistics */ 48 HNS3_TQP_STAT("dropped", sw_err_cnt), 49 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 50 HNS3_TQP_STAT("packets", rx_pkts), 51 HNS3_TQP_STAT("bytes", rx_bytes), 52 HNS3_TQP_STAT("errors", rx_err_cnt), 53 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 54 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 55 HNS3_TQP_STAT("err_bd_num", err_bd_num), 56 HNS3_TQP_STAT("l2_err", l2_err), 57 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 58 HNS3_TQP_STAT("multicast", rx_multicast), 59 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 60 }; 61 62 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 63 64 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 65 66 #define HNS3_SELF_TEST_TYPE_NUM 4 67 #define HNS3_NIC_LB_TEST_PKT_NUM 1 68 #define HNS3_NIC_LB_TEST_RING_ID 0 69 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 70 #define HNS3_NIC_LB_SETUP_USEC 10000 71 72 /* Nic loopback test err */ 73 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 74 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 75 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 76 77 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 78 { 79 struct hnae3_handle *h = hns3_get_handle(ndev); 80 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 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 || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 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_request_update_promisc_mode(h); 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 struct hnae3_ae_dev *ae_dev; 152 unsigned char *packet; 153 struct ethhdr *ethh; 154 unsigned int i; 155 156 skb_reserve(skb, NET_IP_ALIGN); 157 ethh = skb_put(skb, sizeof(struct ethhdr)); 158 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 159 160 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 161 162 /* The dst mac addr of loopback packet is the same as the host' 163 * mac addr, the SSU component may loop back the packet to host 164 * before the packet reaches mac or serdes, which will defect 165 * the purpose of mac or serdes selftest. 166 */ 167 handle = hns3_get_handle(ndev); 168 ae_dev = pci_get_drvdata(handle->pdev); 169 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 170 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 171 eth_zero_addr(ethh->h_source); 172 ethh->h_proto = htons(ETH_P_ARP); 173 skb_reset_mac_header(skb); 174 175 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 176 packet[i] = (unsigned char)(i & 0xff); 177 } 178 179 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 180 struct sk_buff *skb) 181 { 182 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 183 unsigned char *packet = skb->data; 184 u32 len = skb_headlen(skb); 185 u32 i; 186 187 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 188 189 for (i = 0; i < len; i++) 190 if (packet[i] != (unsigned char)(i & 0xff)) 191 break; 192 193 /* The packet is correctly received */ 194 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 195 tqp_vector->rx_group.total_packets++; 196 else 197 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 198 skb->data, len, true); 199 200 dev_kfree_skb_any(skb); 201 } 202 203 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 204 { 205 struct hnae3_handle *h = priv->ae_handle; 206 struct hnae3_knic_private_info *kinfo; 207 u32 i, rcv_good_pkt_total = 0; 208 209 kinfo = &h->kinfo; 210 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 211 struct hns3_enet_ring *ring = &priv->ring[i]; 212 struct hns3_enet_ring_group *rx_group; 213 u64 pre_rx_pkt; 214 215 rx_group = &ring->tqp_vector->rx_group; 216 pre_rx_pkt = rx_group->total_packets; 217 218 preempt_disable(); 219 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 220 preempt_enable(); 221 222 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 223 rx_group->total_packets = pre_rx_pkt; 224 } 225 return rcv_good_pkt_total; 226 } 227 228 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 229 u32 end_ringid, u32 budget) 230 { 231 u32 i; 232 233 for (i = start_ringid; i <= end_ringid; i++) { 234 struct hns3_enet_ring *ring = &priv->ring[i]; 235 236 hns3_clean_tx_ring(ring, 0); 237 } 238 } 239 240 /** 241 * hns3_lp_run_test - run loopback test 242 * @ndev: net device 243 * @mode: loopback type 244 */ 245 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 246 { 247 struct hns3_nic_priv *priv = netdev_priv(ndev); 248 struct sk_buff *skb; 249 u32 i, good_cnt; 250 int ret_val = 0; 251 252 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 253 GFP_KERNEL); 254 if (!skb) 255 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 256 257 skb->dev = ndev; 258 hns3_lp_setup_skb(skb); 259 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 260 261 good_cnt = 0; 262 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 263 netdev_tx_t tx_ret; 264 265 skb_get(skb); 266 tx_ret = hns3_nic_net_xmit(skb, ndev); 267 if (tx_ret == NETDEV_TX_OK) { 268 good_cnt++; 269 } else { 270 kfree_skb(skb); 271 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 272 tx_ret); 273 } 274 } 275 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 276 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 277 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 278 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 279 goto out; 280 } 281 282 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 283 msleep(200); 284 285 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 286 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 287 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 288 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 289 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 290 } 291 292 out: 293 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 294 HNS3_NIC_LB_TEST_RING_ID, 295 HNS3_NIC_LB_TEST_PKT_NUM); 296 297 kfree_skb(skb); 298 return ret_val; 299 } 300 301 /** 302 * hns3_nic_self_test - self test 303 * @ndev: net device 304 * @eth_test: test cmd 305 * @data: test result 306 */ 307 static void hns3_self_test(struct net_device *ndev, 308 struct ethtool_test *eth_test, u64 *data) 309 { 310 struct hns3_nic_priv *priv = netdev_priv(ndev); 311 struct hnae3_handle *h = priv->ae_handle; 312 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 313 bool if_running = netif_running(ndev); 314 int test_index = 0; 315 u32 i; 316 317 if (hns3_nic_resetting(ndev)) { 318 netdev_err(ndev, "dev resetting!"); 319 return; 320 } 321 322 /* Only do offline selftest, or pass by default */ 323 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 324 return; 325 326 netif_dbg(h, drv, ndev, "self test start"); 327 328 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 329 st_param[HNAE3_LOOP_APP][1] = 330 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 331 332 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 333 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 334 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 335 336 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 337 HNAE3_LOOP_PARALLEL_SERDES; 338 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 339 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 340 341 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 342 st_param[HNAE3_LOOP_PHY][1] = 343 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 344 345 if (if_running) 346 ndev->netdev_ops->ndo_stop(ndev); 347 348 #if IS_ENABLED(CONFIG_VLAN_8021Q) 349 /* Disable the vlan filter for selftest does not support it */ 350 if (h->ae_algo->ops->enable_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 (h->ae_algo->ops->enable_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 = scnprintf(data, MAX_PREFIX_SIZE, "%s%d_", 432 prefix, i); 433 size_left = (ETH_GSTRING_LEN - 1) - n1; 434 435 /* now, concatenate the stats string to it */ 436 strncat(data, stats[j].stats_string, size_left); 437 data += ETH_GSTRING_LEN; 438 } 439 } 440 441 return data; 442 } 443 444 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 445 { 446 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 447 const char tx_prefix[] = "txq"; 448 const char rx_prefix[] = "rxq"; 449 450 /* get strings for Tx */ 451 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 452 kinfo->num_tqps, tx_prefix); 453 454 /* get strings for Rx */ 455 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 456 kinfo->num_tqps, rx_prefix); 457 458 return data; 459 } 460 461 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 462 { 463 struct hnae3_handle *h = hns3_get_handle(netdev); 464 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 465 char *buff = (char *)data; 466 467 if (!ops->get_strings) 468 return; 469 470 switch (stringset) { 471 case ETH_SS_STATS: 472 buff = hns3_get_strings_tqps(h, buff); 473 ops->get_strings(h, stringset, (u8 *)buff); 474 break; 475 case ETH_SS_TEST: 476 ops->get_strings(h, stringset, data); 477 break; 478 default: 479 break; 480 } 481 } 482 483 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 484 { 485 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 486 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 487 struct hns3_enet_ring *ring; 488 u8 *stat; 489 int i, j; 490 491 /* get stats for Tx */ 492 for (i = 0; i < kinfo->num_tqps; i++) { 493 ring = &nic_priv->ring[i]; 494 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 495 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 496 *data++ = *(u64 *)stat; 497 } 498 } 499 500 /* get stats for Rx */ 501 for (i = 0; i < kinfo->num_tqps; i++) { 502 ring = &nic_priv->ring[i + kinfo->num_tqps]; 503 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 504 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 505 *data++ = *(u64 *)stat; 506 } 507 } 508 509 return data; 510 } 511 512 /* hns3_get_stats - get detail statistics. 513 * @netdev: net device 514 * @stats: statistics info. 515 * @data: statistics data. 516 */ 517 static void hns3_get_stats(struct net_device *netdev, 518 struct ethtool_stats *stats, u64 *data) 519 { 520 struct hnae3_handle *h = hns3_get_handle(netdev); 521 u64 *p = data; 522 523 if (hns3_nic_resetting(netdev)) { 524 netdev_err(netdev, "dev resetting, could not get stats\n"); 525 return; 526 } 527 528 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 529 netdev_err(netdev, "could not get any statistics\n"); 530 return; 531 } 532 533 h->ae_algo->ops->update_stats(h, &netdev->stats); 534 535 /* get per-queue stats */ 536 p = hns3_get_stats_tqps(h, p); 537 538 /* get MAC & other misc hardware stats */ 539 h->ae_algo->ops->get_stats(h, p); 540 } 541 542 static void hns3_get_drvinfo(struct net_device *netdev, 543 struct ethtool_drvinfo *drvinfo) 544 { 545 struct hns3_nic_priv *priv = netdev_priv(netdev); 546 struct hnae3_handle *h = priv->ae_handle; 547 u32 fw_version; 548 549 if (!h->ae_algo->ops->get_fw_version) { 550 netdev_err(netdev, "could not get fw version!\n"); 551 return; 552 } 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_HALF && 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 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 763 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 764 int ret; 765 766 /* Chip don't support this mode. */ 767 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 768 return -EINVAL; 769 770 netif_dbg(handle, drv, netdev, 771 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 772 netdev->phydev ? "phy" : "mac", 773 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 774 775 /* Only support ksettings_set for netdev with phy attached for now */ 776 if (netdev->phydev) { 777 if (cmd->base.speed == SPEED_1000 && 778 cmd->base.autoneg == AUTONEG_DISABLE) 779 return -EINVAL; 780 781 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 782 } 783 784 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 785 return -EOPNOTSUPP; 786 787 ret = hns3_check_ksettings_param(netdev, cmd); 788 if (ret) 789 return ret; 790 791 if (ops->set_autoneg) { 792 ret = ops->set_autoneg(handle, cmd->base.autoneg); 793 if (ret) 794 return ret; 795 } 796 797 /* hw doesn't support use specified speed and duplex to negotiate, 798 * ignore them when autoneg on. 799 */ 800 if (cmd->base.autoneg) { 801 netdev_info(netdev, 802 "autoneg is on, ignore the speed and duplex\n"); 803 return 0; 804 } 805 806 if (ops->cfg_mac_speed_dup_h) 807 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 808 cmd->base.duplex); 809 810 return ret; 811 } 812 813 static u32 hns3_get_rss_key_size(struct net_device *netdev) 814 { 815 struct hnae3_handle *h = hns3_get_handle(netdev); 816 817 if (!h->ae_algo->ops->get_rss_key_size) 818 return 0; 819 820 return h->ae_algo->ops->get_rss_key_size(h); 821 } 822 823 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 824 { 825 struct hnae3_handle *h = hns3_get_handle(netdev); 826 827 if (!h->ae_algo->ops->get_rss_indir_size) 828 return 0; 829 830 return h->ae_algo->ops->get_rss_indir_size(h); 831 } 832 833 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 834 u8 *hfunc) 835 { 836 struct hnae3_handle *h = hns3_get_handle(netdev); 837 838 if (!h->ae_algo->ops->get_rss) 839 return -EOPNOTSUPP; 840 841 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 842 } 843 844 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 845 const u8 *key, const u8 hfunc) 846 { 847 struct hnae3_handle *h = hns3_get_handle(netdev); 848 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 849 850 if (!h->ae_algo->ops->set_rss) 851 return -EOPNOTSUPP; 852 853 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 854 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 855 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 856 netdev_err(netdev, "hash func not supported\n"); 857 return -EOPNOTSUPP; 858 } 859 860 if (!indir) { 861 netdev_err(netdev, 862 "set rss failed for indir is empty\n"); 863 return -EOPNOTSUPP; 864 } 865 866 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 867 } 868 869 static int hns3_get_rxnfc(struct net_device *netdev, 870 struct ethtool_rxnfc *cmd, 871 u32 *rule_locs) 872 { 873 struct hnae3_handle *h = hns3_get_handle(netdev); 874 875 switch (cmd->cmd) { 876 case ETHTOOL_GRXRINGS: 877 cmd->data = h->kinfo.num_tqps; 878 return 0; 879 case ETHTOOL_GRXFH: 880 if (h->ae_algo->ops->get_rss_tuple) 881 return h->ae_algo->ops->get_rss_tuple(h, cmd); 882 return -EOPNOTSUPP; 883 case ETHTOOL_GRXCLSRLCNT: 884 if (h->ae_algo->ops->get_fd_rule_cnt) 885 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 886 return -EOPNOTSUPP; 887 case ETHTOOL_GRXCLSRULE: 888 if (h->ae_algo->ops->get_fd_rule_info) 889 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 890 return -EOPNOTSUPP; 891 case ETHTOOL_GRXCLSRLALL: 892 if (h->ae_algo->ops->get_fd_all_rules) 893 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 894 rule_locs); 895 return -EOPNOTSUPP; 896 default: 897 return -EOPNOTSUPP; 898 } 899 } 900 901 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 902 u32 tx_desc_num, u32 rx_desc_num) 903 { 904 struct hnae3_handle *h = priv->ae_handle; 905 int i; 906 907 h->kinfo.num_tx_desc = tx_desc_num; 908 h->kinfo.num_rx_desc = rx_desc_num; 909 910 for (i = 0; i < h->kinfo.num_tqps; i++) { 911 priv->ring[i].desc_num = tx_desc_num; 912 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 913 } 914 } 915 916 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 917 { 918 struct hnae3_handle *handle = priv->ae_handle; 919 struct hns3_enet_ring *tmp_rings; 920 int i; 921 922 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 923 sizeof(struct hns3_enet_ring), GFP_KERNEL); 924 if (!tmp_rings) 925 return NULL; 926 927 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 928 memcpy(&tmp_rings[i], &priv->ring[i], 929 sizeof(struct hns3_enet_ring)); 930 tmp_rings[i].skb = NULL; 931 } 932 933 return tmp_rings; 934 } 935 936 static int hns3_check_ringparam(struct net_device *ndev, 937 struct ethtool_ringparam *param) 938 { 939 if (hns3_nic_resetting(ndev)) 940 return -EBUSY; 941 942 if (param->rx_mini_pending || param->rx_jumbo_pending) 943 return -EINVAL; 944 945 if (param->tx_pending > HNS3_RING_MAX_PENDING || 946 param->tx_pending < HNS3_RING_MIN_PENDING || 947 param->rx_pending > HNS3_RING_MAX_PENDING || 948 param->rx_pending < HNS3_RING_MIN_PENDING) { 949 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 950 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 951 return -EINVAL; 952 } 953 954 return 0; 955 } 956 957 static int hns3_set_ringparam(struct net_device *ndev, 958 struct ethtool_ringparam *param) 959 { 960 struct hns3_nic_priv *priv = netdev_priv(ndev); 961 struct hnae3_handle *h = priv->ae_handle; 962 struct hns3_enet_ring *tmp_rings; 963 bool if_running = netif_running(ndev); 964 u32 old_tx_desc_num, new_tx_desc_num; 965 u32 old_rx_desc_num, new_rx_desc_num; 966 u16 queue_num = h->kinfo.num_tqps; 967 int ret, i; 968 969 ret = hns3_check_ringparam(ndev, param); 970 if (ret) 971 return ret; 972 973 /* Hardware requires that its descriptors must be multiple of eight */ 974 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 975 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 976 old_tx_desc_num = priv->ring[0].desc_num; 977 old_rx_desc_num = priv->ring[queue_num].desc_num; 978 if (old_tx_desc_num == new_tx_desc_num && 979 old_rx_desc_num == new_rx_desc_num) 980 return 0; 981 982 tmp_rings = hns3_backup_ringparam(priv); 983 if (!tmp_rings) { 984 netdev_err(ndev, 985 "backup ring param failed by allocating memory fail\n"); 986 return -ENOMEM; 987 } 988 989 netdev_info(ndev, 990 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 991 old_tx_desc_num, old_rx_desc_num, 992 new_tx_desc_num, new_rx_desc_num); 993 994 if (if_running) 995 ndev->netdev_ops->ndo_stop(ndev); 996 997 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 998 ret = hns3_init_all_ring(priv); 999 if (ret) { 1000 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1001 ret); 1002 1003 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1004 old_rx_desc_num); 1005 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1006 memcpy(&priv->ring[i], &tmp_rings[i], 1007 sizeof(struct hns3_enet_ring)); 1008 } else { 1009 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1010 hns3_fini_ring(&tmp_rings[i]); 1011 } 1012 1013 kfree(tmp_rings); 1014 1015 if (if_running) 1016 ret = ndev->netdev_ops->ndo_open(ndev); 1017 1018 return ret; 1019 } 1020 1021 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1022 { 1023 struct hnae3_handle *h = hns3_get_handle(netdev); 1024 1025 switch (cmd->cmd) { 1026 case ETHTOOL_SRXFH: 1027 if (h->ae_algo->ops->set_rss_tuple) 1028 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1029 return -EOPNOTSUPP; 1030 case ETHTOOL_SRXCLSRLINS: 1031 if (h->ae_algo->ops->add_fd_entry) 1032 return h->ae_algo->ops->add_fd_entry(h, cmd); 1033 return -EOPNOTSUPP; 1034 case ETHTOOL_SRXCLSRLDEL: 1035 if (h->ae_algo->ops->del_fd_entry) 1036 return h->ae_algo->ops->del_fd_entry(h, cmd); 1037 return -EOPNOTSUPP; 1038 default: 1039 return -EOPNOTSUPP; 1040 } 1041 } 1042 1043 static int hns3_nway_reset(struct net_device *netdev) 1044 { 1045 struct hnae3_handle *handle = hns3_get_handle(netdev); 1046 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1047 struct phy_device *phy = netdev->phydev; 1048 int autoneg; 1049 1050 if (!netif_running(netdev)) 1051 return 0; 1052 1053 if (hns3_nic_resetting(netdev)) { 1054 netdev_err(netdev, "dev resetting!"); 1055 return -EBUSY; 1056 } 1057 1058 if (!ops->get_autoneg || !ops->restart_autoneg) 1059 return -EOPNOTSUPP; 1060 1061 autoneg = ops->get_autoneg(handle); 1062 if (autoneg != AUTONEG_ENABLE) { 1063 netdev_err(netdev, 1064 "Autoneg is off, don't support to restart it\n"); 1065 return -EINVAL; 1066 } 1067 1068 netif_dbg(handle, drv, netdev, 1069 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1070 1071 if (phy) 1072 return genphy_restart_aneg(phy); 1073 1074 return ops->restart_autoneg(handle); 1075 } 1076 1077 static void hns3_get_channels(struct net_device *netdev, 1078 struct ethtool_channels *ch) 1079 { 1080 struct hnae3_handle *h = hns3_get_handle(netdev); 1081 1082 if (h->ae_algo->ops->get_channels) 1083 h->ae_algo->ops->get_channels(h, ch); 1084 } 1085 1086 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 1087 struct ethtool_coalesce *cmd) 1088 { 1089 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1090 struct hns3_nic_priv *priv = netdev_priv(netdev); 1091 struct hnae3_handle *h = priv->ae_handle; 1092 u16 queue_num = h->kinfo.num_tqps; 1093 1094 if (hns3_nic_resetting(netdev)) 1095 return -EBUSY; 1096 1097 if (queue >= queue_num) { 1098 netdev_err(netdev, 1099 "Invalid queue value %u! Queue max id=%u\n", 1100 queue, queue_num - 1); 1101 return -EINVAL; 1102 } 1103 1104 tx_vector = priv->ring[queue].tqp_vector; 1105 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1106 1107 cmd->use_adaptive_tx_coalesce = 1108 tx_vector->tx_group.coal.gl_adapt_enable; 1109 cmd->use_adaptive_rx_coalesce = 1110 rx_vector->rx_group.coal.gl_adapt_enable; 1111 1112 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; 1113 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; 1114 1115 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1116 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1117 1118 return 0; 1119 } 1120 1121 static int hns3_get_coalesce(struct net_device *netdev, 1122 struct ethtool_coalesce *cmd) 1123 { 1124 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 1125 } 1126 1127 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1128 struct ethtool_coalesce *cmd) 1129 { 1130 u32 rx_gl, tx_gl; 1131 1132 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 1133 netdev_err(netdev, 1134 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 1135 HNS3_INT_GL_MAX); 1136 return -EINVAL; 1137 } 1138 1139 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 1140 netdev_err(netdev, 1141 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 1142 HNS3_INT_GL_MAX); 1143 return -EINVAL; 1144 } 1145 1146 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1147 if (rx_gl != cmd->rx_coalesce_usecs) { 1148 netdev_info(netdev, 1149 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1150 cmd->rx_coalesce_usecs, rx_gl); 1151 } 1152 1153 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1154 if (tx_gl != cmd->tx_coalesce_usecs) { 1155 netdev_info(netdev, 1156 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1157 cmd->tx_coalesce_usecs, tx_gl); 1158 } 1159 1160 return 0; 1161 } 1162 1163 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1164 struct ethtool_coalesce *cmd) 1165 { 1166 u32 rl; 1167 1168 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1169 netdev_err(netdev, 1170 "tx_usecs_high must be same as rx_usecs_high.\n"); 1171 return -EINVAL; 1172 } 1173 1174 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1175 netdev_err(netdev, 1176 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1177 HNS3_INT_RL_MAX); 1178 return -EINVAL; 1179 } 1180 1181 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1182 if (rl != cmd->rx_coalesce_usecs_high) { 1183 netdev_info(netdev, 1184 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1185 cmd->rx_coalesce_usecs_high, rl); 1186 } 1187 1188 return 0; 1189 } 1190 1191 static int hns3_check_coalesce_para(struct net_device *netdev, 1192 struct ethtool_coalesce *cmd) 1193 { 1194 int ret; 1195 1196 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1197 if (ret) { 1198 netdev_err(netdev, 1199 "Check gl coalesce param fail. ret = %d\n", ret); 1200 return ret; 1201 } 1202 1203 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1204 if (ret) { 1205 netdev_err(netdev, 1206 "Check rl coalesce param fail. ret = %d\n", ret); 1207 return ret; 1208 } 1209 1210 if (cmd->use_adaptive_tx_coalesce == 1 || 1211 cmd->use_adaptive_rx_coalesce == 1) { 1212 netdev_info(netdev, 1213 "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n", 1214 cmd->use_adaptive_tx_coalesce, 1215 cmd->use_adaptive_rx_coalesce); 1216 } 1217 1218 return 0; 1219 } 1220 1221 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1222 struct ethtool_coalesce *cmd, 1223 u32 queue) 1224 { 1225 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1226 struct hns3_nic_priv *priv = netdev_priv(netdev); 1227 struct hnae3_handle *h = priv->ae_handle; 1228 int queue_num = h->kinfo.num_tqps; 1229 1230 tx_vector = priv->ring[queue].tqp_vector; 1231 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1232 1233 tx_vector->tx_group.coal.gl_adapt_enable = 1234 cmd->use_adaptive_tx_coalesce; 1235 rx_vector->rx_group.coal.gl_adapt_enable = 1236 cmd->use_adaptive_rx_coalesce; 1237 1238 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1239 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1240 1241 hns3_set_vector_coalesce_tx_gl(tx_vector, 1242 tx_vector->tx_group.coal.int_gl); 1243 hns3_set_vector_coalesce_rx_gl(rx_vector, 1244 rx_vector->rx_group.coal.int_gl); 1245 1246 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1247 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1248 } 1249 1250 static int hns3_set_coalesce(struct net_device *netdev, 1251 struct ethtool_coalesce *cmd) 1252 { 1253 struct hnae3_handle *h = hns3_get_handle(netdev); 1254 u16 queue_num = h->kinfo.num_tqps; 1255 int ret; 1256 int i; 1257 1258 if (hns3_nic_resetting(netdev)) 1259 return -EBUSY; 1260 1261 ret = hns3_check_coalesce_para(netdev, cmd); 1262 if (ret) 1263 return ret; 1264 1265 h->kinfo.int_rl_setting = 1266 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1267 1268 for (i = 0; i < queue_num; i++) 1269 hns3_set_coalesce_per_queue(netdev, cmd, i); 1270 1271 return 0; 1272 } 1273 1274 static int hns3_get_regs_len(struct net_device *netdev) 1275 { 1276 struct hnae3_handle *h = hns3_get_handle(netdev); 1277 1278 if (!h->ae_algo->ops->get_regs_len) 1279 return -EOPNOTSUPP; 1280 1281 return h->ae_algo->ops->get_regs_len(h); 1282 } 1283 1284 static void hns3_get_regs(struct net_device *netdev, 1285 struct ethtool_regs *cmd, void *data) 1286 { 1287 struct hnae3_handle *h = hns3_get_handle(netdev); 1288 1289 if (!h->ae_algo->ops->get_regs) 1290 return; 1291 1292 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1293 } 1294 1295 static int hns3_set_phys_id(struct net_device *netdev, 1296 enum ethtool_phys_id_state state) 1297 { 1298 struct hnae3_handle *h = hns3_get_handle(netdev); 1299 1300 if (!h->ae_algo->ops->set_led_id) 1301 return -EOPNOTSUPP; 1302 1303 return h->ae_algo->ops->set_led_id(h, state); 1304 } 1305 1306 static u32 hns3_get_msglevel(struct net_device *netdev) 1307 { 1308 struct hnae3_handle *h = hns3_get_handle(netdev); 1309 1310 return h->msg_enable; 1311 } 1312 1313 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1314 { 1315 struct hnae3_handle *h = hns3_get_handle(netdev); 1316 1317 h->msg_enable = msg_level; 1318 } 1319 1320 /* Translate local fec value into ethtool value. */ 1321 static unsigned int loc_to_eth_fec(u8 loc_fec) 1322 { 1323 u32 eth_fec = 0; 1324 1325 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1326 eth_fec |= ETHTOOL_FEC_AUTO; 1327 if (loc_fec & BIT(HNAE3_FEC_RS)) 1328 eth_fec |= ETHTOOL_FEC_RS; 1329 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1330 eth_fec |= ETHTOOL_FEC_BASER; 1331 1332 /* if nothing is set, then FEC is off */ 1333 if (!eth_fec) 1334 eth_fec = ETHTOOL_FEC_OFF; 1335 1336 return eth_fec; 1337 } 1338 1339 /* Translate ethtool fec value into local value. */ 1340 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1341 { 1342 u32 loc_fec = 0; 1343 1344 if (eth_fec & ETHTOOL_FEC_OFF) 1345 return loc_fec; 1346 1347 if (eth_fec & ETHTOOL_FEC_AUTO) 1348 loc_fec |= BIT(HNAE3_FEC_AUTO); 1349 if (eth_fec & ETHTOOL_FEC_RS) 1350 loc_fec |= BIT(HNAE3_FEC_RS); 1351 if (eth_fec & ETHTOOL_FEC_BASER) 1352 loc_fec |= BIT(HNAE3_FEC_BASER); 1353 1354 return loc_fec; 1355 } 1356 1357 static int hns3_get_fecparam(struct net_device *netdev, 1358 struct ethtool_fecparam *fec) 1359 { 1360 struct hnae3_handle *handle = hns3_get_handle(netdev); 1361 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1362 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1363 u8 fec_ability; 1364 u8 fec_mode; 1365 1366 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1367 return -EOPNOTSUPP; 1368 1369 if (!ops->get_fec) 1370 return -EOPNOTSUPP; 1371 1372 ops->get_fec(handle, &fec_ability, &fec_mode); 1373 1374 fec->fec = loc_to_eth_fec(fec_ability); 1375 fec->active_fec = loc_to_eth_fec(fec_mode); 1376 1377 return 0; 1378 } 1379 1380 static int hns3_set_fecparam(struct net_device *netdev, 1381 struct ethtool_fecparam *fec) 1382 { 1383 struct hnae3_handle *handle = hns3_get_handle(netdev); 1384 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1385 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1386 u32 fec_mode; 1387 1388 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 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 int hns3_get_module_info(struct net_device *netdev, 1401 struct ethtool_modinfo *modinfo) 1402 { 1403 #define HNS3_SFF_8636_V1_3 0x03 1404 1405 struct hnae3_handle *handle = hns3_get_handle(netdev); 1406 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1407 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1408 struct hns3_sfp_type sfp_type; 1409 int ret; 1410 1411 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1412 !ops->get_module_eeprom) 1413 return -EOPNOTSUPP; 1414 1415 memset(&sfp_type, 0, sizeof(sfp_type)); 1416 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1417 (u8 *)&sfp_type); 1418 if (ret) 1419 return ret; 1420 1421 switch (sfp_type.type) { 1422 case SFF8024_ID_SFP: 1423 modinfo->type = ETH_MODULE_SFF_8472; 1424 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1425 break; 1426 case SFF8024_ID_QSFP_8438: 1427 modinfo->type = ETH_MODULE_SFF_8436; 1428 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1429 break; 1430 case SFF8024_ID_QSFP_8436_8636: 1431 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1432 modinfo->type = ETH_MODULE_SFF_8436; 1433 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1434 } else { 1435 modinfo->type = ETH_MODULE_SFF_8636; 1436 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1437 } 1438 break; 1439 case SFF8024_ID_QSFP28_8636: 1440 modinfo->type = ETH_MODULE_SFF_8636; 1441 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1442 break; 1443 default: 1444 netdev_err(netdev, "Optical module unknown: %#x\n", 1445 sfp_type.type); 1446 return -EINVAL; 1447 } 1448 1449 return 0; 1450 } 1451 1452 static int hns3_get_module_eeprom(struct net_device *netdev, 1453 struct ethtool_eeprom *ee, u8 *data) 1454 { 1455 struct hnae3_handle *handle = hns3_get_handle(netdev); 1456 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1457 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1458 1459 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1460 !ops->get_module_eeprom) 1461 return -EOPNOTSUPP; 1462 1463 if (!ee->len) 1464 return -EINVAL; 1465 1466 memset(data, 0, ee->len); 1467 1468 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1469 } 1470 1471 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1472 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1473 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1474 ETHTOOL_COALESCE_TX_USECS_HIGH) 1475 1476 static const struct ethtool_ops hns3vf_ethtool_ops = { 1477 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1478 .get_drvinfo = hns3_get_drvinfo, 1479 .get_ringparam = hns3_get_ringparam, 1480 .set_ringparam = hns3_set_ringparam, 1481 .get_strings = hns3_get_strings, 1482 .get_ethtool_stats = hns3_get_stats, 1483 .get_sset_count = hns3_get_sset_count, 1484 .get_rxnfc = hns3_get_rxnfc, 1485 .set_rxnfc = hns3_set_rxnfc, 1486 .get_rxfh_key_size = hns3_get_rss_key_size, 1487 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1488 .get_rxfh = hns3_get_rss, 1489 .set_rxfh = hns3_set_rss, 1490 .get_link_ksettings = hns3_get_link_ksettings, 1491 .get_channels = hns3_get_channels, 1492 .set_channels = hns3_set_channels, 1493 .get_coalesce = hns3_get_coalesce, 1494 .set_coalesce = hns3_set_coalesce, 1495 .get_regs_len = hns3_get_regs_len, 1496 .get_regs = hns3_get_regs, 1497 .get_link = hns3_get_link, 1498 .get_msglevel = hns3_get_msglevel, 1499 .set_msglevel = hns3_set_msglevel, 1500 }; 1501 1502 static const struct ethtool_ops hns3_ethtool_ops = { 1503 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1504 .self_test = hns3_self_test, 1505 .get_drvinfo = hns3_get_drvinfo, 1506 .get_link = hns3_get_link, 1507 .get_ringparam = hns3_get_ringparam, 1508 .set_ringparam = hns3_set_ringparam, 1509 .get_pauseparam = hns3_get_pauseparam, 1510 .set_pauseparam = hns3_set_pauseparam, 1511 .get_strings = hns3_get_strings, 1512 .get_ethtool_stats = hns3_get_stats, 1513 .get_sset_count = hns3_get_sset_count, 1514 .get_rxnfc = hns3_get_rxnfc, 1515 .set_rxnfc = hns3_set_rxnfc, 1516 .get_rxfh_key_size = hns3_get_rss_key_size, 1517 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1518 .get_rxfh = hns3_get_rss, 1519 .set_rxfh = hns3_set_rss, 1520 .get_link_ksettings = hns3_get_link_ksettings, 1521 .set_link_ksettings = hns3_set_link_ksettings, 1522 .nway_reset = hns3_nway_reset, 1523 .get_channels = hns3_get_channels, 1524 .set_channels = hns3_set_channels, 1525 .get_coalesce = hns3_get_coalesce, 1526 .set_coalesce = hns3_set_coalesce, 1527 .get_regs_len = hns3_get_regs_len, 1528 .get_regs = hns3_get_regs, 1529 .set_phys_id = hns3_set_phys_id, 1530 .get_msglevel = hns3_get_msglevel, 1531 .set_msglevel = hns3_set_msglevel, 1532 .get_fecparam = hns3_get_fecparam, 1533 .set_fecparam = hns3_set_fecparam, 1534 .get_module_info = hns3_get_module_info, 1535 .get_module_eeprom = hns3_get_module_eeprom, 1536 }; 1537 1538 void hns3_ethtool_set_ops(struct net_device *netdev) 1539 { 1540 struct hnae3_handle *h = hns3_get_handle(netdev); 1541 1542 if (h->flags & HNAE3_SUPPORT_VF) 1543 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1544 else 1545 netdev->ethtool_ops = &hns3_ethtool_ops; 1546 } 1547