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#include "hns3_ethtool.h" 11 12/* tqp related stats */ 13#define HNS3_TQP_STAT(_string, _member) { \ 14 .stats_string = _string, \ 15 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 16 offsetof(struct ring_stats, _member), \ 17} 18 19static const struct hns3_stats hns3_txq_stats[] = { 20 /* Tx per-queue statistics */ 21 HNS3_TQP_STAT("dropped", sw_err_cnt), 22 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 23 HNS3_TQP_STAT("packets", tx_pkts), 24 HNS3_TQP_STAT("bytes", tx_bytes), 25 HNS3_TQP_STAT("more", tx_more), 26 HNS3_TQP_STAT("push", tx_push), 27 HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell), 28 HNS3_TQP_STAT("wake", restart_queue), 29 HNS3_TQP_STAT("busy", tx_busy), 30 HNS3_TQP_STAT("copy", tx_copy), 31 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 32 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 33 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 34 HNS3_TQP_STAT("tso_err", tx_tso_err), 35 HNS3_TQP_STAT("over_max_recursion", over_max_recursion), 36 HNS3_TQP_STAT("hw_limitation", hw_limitation), 37 HNS3_TQP_STAT("bounce", tx_bounce), 38 HNS3_TQP_STAT("spare_full", tx_spare_full), 39 HNS3_TQP_STAT("copy_bits_err", copy_bits_err), 40 HNS3_TQP_STAT("sgl", tx_sgl), 41 HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err), 42 HNS3_TQP_STAT("map_sg_err", map_sg_err), 43}; 44 45#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 46 47static const struct hns3_stats hns3_rxq_stats[] = { 48 /* Rx per-queue statistics */ 49 HNS3_TQP_STAT("dropped", sw_err_cnt), 50 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 51 HNS3_TQP_STAT("packets", rx_pkts), 52 HNS3_TQP_STAT("bytes", rx_bytes), 53 HNS3_TQP_STAT("errors", rx_err_cnt), 54 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 55 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 56 HNS3_TQP_STAT("err_bd_num", err_bd_num), 57 HNS3_TQP_STAT("l2_err", l2_err), 58 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 59 HNS3_TQP_STAT("csum_complete", csum_complete), 60 HNS3_TQP_STAT("multicast", rx_multicast), 61 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 62 HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err), 63 HNS3_TQP_STAT("frag_alloc", frag_alloc), 64}; 65 66#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags) 67 68#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 69 70#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 71 72#define HNS3_NIC_LB_TEST_PKT_NUM 1 73#define HNS3_NIC_LB_TEST_RING_ID 0 74#define HNS3_NIC_LB_TEST_PACKET_SIZE 128 75#define HNS3_NIC_LB_SETUP_USEC 10000 76 77/* Nic loopback test err */ 78#define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 79#define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 80#define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 81#define HNS3_NIC_LB_TEST_UNEXECUTED 4 82 83static int hns3_get_sset_count(struct net_device *netdev, int stringset); 84 85static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 86{ 87 struct hnae3_handle *h = hns3_get_handle(ndev); 88 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 89 int ret; 90 91 if (!h->ae_algo->ops->set_loopback || 92 !h->ae_algo->ops->set_promisc_mode) 93 return -EOPNOTSUPP; 94 95 switch (loop) { 96 case HNAE3_LOOP_SERIAL_SERDES: 97 case HNAE3_LOOP_PARALLEL_SERDES: 98 case HNAE3_LOOP_APP: 99 case HNAE3_LOOP_PHY: 100 case HNAE3_LOOP_EXTERNAL: 101 ret = h->ae_algo->ops->set_loopback(h, loop, en); 102 break; 103 default: 104 ret = -ENOTSUPP; 105 break; 106 } 107 108 if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 109 return ret; 110 111 if (en) 112 h->ae_algo->ops->set_promisc_mode(h, true, true); 113 else 114 /* recover promisc mode before loopback test */ 115 hns3_request_update_promisc_mode(h); 116 117 return ret; 118} 119 120static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 121{ 122 struct hnae3_handle *h = hns3_get_handle(ndev); 123 int ret; 124 125 ret = hns3_nic_reset_all_ring(h); 126 if (ret) 127 return ret; 128 129 ret = hns3_lp_setup(ndev, loop_mode, true); 130 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 131 132 return ret; 133} 134 135static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 136{ 137 int ret; 138 139 ret = hns3_lp_setup(ndev, loop_mode, false); 140 if (ret) { 141 netdev_err(ndev, "lb_setup return error: %d\n", ret); 142 return ret; 143 } 144 145 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 146 147 return 0; 148} 149 150static void hns3_lp_setup_skb(struct sk_buff *skb) 151{ 152#define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 153 154 struct net_device *ndev = skb->dev; 155 struct hnae3_handle *handle; 156 struct hnae3_ae_dev *ae_dev; 157 unsigned char *packet; 158 struct ethhdr *ethh; 159 unsigned int i; 160 161 skb_reserve(skb, NET_IP_ALIGN); 162 ethh = skb_put(skb, sizeof(struct ethhdr)); 163 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 164 165 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 166 167 /* The dst mac addr of loopback packet is the same as the host' 168 * mac addr, the SSU component may loop back the packet to host 169 * before the packet reaches mac or serdes, which will defect 170 * the purpose of mac or serdes selftest. 171 */ 172 handle = hns3_get_handle(ndev); 173 ae_dev = pci_get_drvdata(handle->pdev); 174 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 175 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 176 eth_zero_addr(ethh->h_source); 177 ethh->h_proto = htons(ETH_P_ARP); 178 skb_reset_mac_header(skb); 179 180 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 181 packet[i] = (unsigned char)(i & 0xff); 182} 183 184static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 185 struct sk_buff *skb) 186{ 187 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 188 unsigned char *packet = skb->data; 189 u32 len = skb_headlen(skb); 190 u32 i; 191 192 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 193 194 for (i = 0; i < len; i++) 195 if (packet[i] != (unsigned char)(i & 0xff)) 196 break; 197 198 /* The packet is correctly received */ 199 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 200 tqp_vector->rx_group.total_packets++; 201 else 202 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 203 skb->data, len, true); 204 205 dev_kfree_skb_any(skb); 206} 207 208static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 209{ 210 struct hnae3_handle *h = priv->ae_handle; 211 struct hnae3_knic_private_info *kinfo; 212 u32 i, rcv_good_pkt_total = 0; 213 214 kinfo = &h->kinfo; 215 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 216 struct hns3_enet_ring *ring = &priv->ring[i]; 217 struct hns3_enet_ring_group *rx_group; 218 u64 pre_rx_pkt; 219 220 rx_group = &ring->tqp_vector->rx_group; 221 pre_rx_pkt = rx_group->total_packets; 222 223 preempt_disable(); 224 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 225 preempt_enable(); 226 227 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 228 rx_group->total_packets = pre_rx_pkt; 229 } 230 return rcv_good_pkt_total; 231} 232 233static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 234 u32 end_ringid) 235{ 236 u32 i; 237 238 for (i = start_ringid; i <= end_ringid; i++) { 239 struct hns3_enet_ring *ring = &priv->ring[i]; 240 241 hns3_clean_tx_ring(ring, 0); 242 } 243} 244 245/** 246 * hns3_lp_run_test - run loopback test 247 * @ndev: net device 248 * @mode: loopback type 249 * 250 * Return: %0 for success or a NIC loopback test error code on failure 251 */ 252static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 253{ 254 struct hns3_nic_priv *priv = netdev_priv(ndev); 255 struct sk_buff *skb; 256 u32 i, good_cnt; 257 int ret_val = 0; 258 259 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 260 GFP_KERNEL); 261 if (!skb) 262 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 263 264 skb->dev = ndev; 265 hns3_lp_setup_skb(skb); 266 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 267 268 good_cnt = 0; 269 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 270 netdev_tx_t tx_ret; 271 272 skb_get(skb); 273 tx_ret = hns3_nic_net_xmit(skb, ndev); 274 if (tx_ret == NETDEV_TX_OK) { 275 good_cnt++; 276 } else { 277 kfree_skb(skb); 278 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 279 tx_ret); 280 } 281 } 282 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 283 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 284 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 285 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 286 goto out; 287 } 288 289 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 290 msleep(200); 291 292 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 293 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 294 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 295 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 296 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 297 } 298 299out: 300 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 301 HNS3_NIC_LB_TEST_RING_ID); 302 303 kfree_skb(skb); 304 return ret_val; 305} 306 307static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2]) 308{ 309 st_param[HNAE3_LOOP_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL; 310 st_param[HNAE3_LOOP_EXTERNAL][1] = 311 h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK; 312 313 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 314 st_param[HNAE3_LOOP_APP][1] = 315 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 316 317 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 318 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 319 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 320 321 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 322 HNAE3_LOOP_PARALLEL_SERDES; 323 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 324 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 325 326 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 327 st_param[HNAE3_LOOP_PHY][1] = 328 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 329} 330 331static void hns3_selftest_prepare(struct net_device *ndev, bool if_running) 332{ 333 struct hns3_nic_priv *priv = netdev_priv(ndev); 334 struct hnae3_handle *h = priv->ae_handle; 335 336 if (if_running) 337 ndev->netdev_ops->ndo_stop(ndev); 338 339#if IS_ENABLED(CONFIG_VLAN_8021Q) 340 /* Disable the vlan filter for selftest does not support it */ 341 if (h->ae_algo->ops->enable_vlan_filter && 342 ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) 343 h->ae_algo->ops->enable_vlan_filter(h, false); 344#endif 345 346 /* Tell firmware to stop mac autoneg before loopback test start, 347 * otherwise loopback test may be failed when the port is still 348 * negotiating. 349 */ 350 if (h->ae_algo->ops->halt_autoneg) 351 h->ae_algo->ops->halt_autoneg(h, true); 352 353 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 354} 355 356static void hns3_selftest_restore(struct net_device *ndev, bool if_running) 357{ 358 struct hns3_nic_priv *priv = netdev_priv(ndev); 359 struct hnae3_handle *h = priv->ae_handle; 360 361 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 362 363 if (h->ae_algo->ops->halt_autoneg) 364 h->ae_algo->ops->halt_autoneg(h, false); 365 366#if IS_ENABLED(CONFIG_VLAN_8021Q) 367 if (h->ae_algo->ops->enable_vlan_filter && 368 ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) 369 h->ae_algo->ops->enable_vlan_filter(h, true); 370#endif 371 372 if (if_running) 373 ndev->netdev_ops->ndo_open(ndev); 374} 375 376static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2], 377 struct ethtool_test *eth_test, u64 *data) 378{ 379 int test_index = HNAE3_LOOP_APP; 380 u32 i; 381 382 for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; i++) { 383 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 384 385 if (!st_param[i][1]) 386 continue; 387 388 data[test_index] = hns3_lp_up(ndev, loop_type); 389 if (!data[test_index]) 390 data[test_index] = hns3_lp_run_test(ndev, loop_type); 391 392 hns3_lp_down(ndev, loop_type); 393 394 if (data[test_index]) 395 eth_test->flags |= ETH_TEST_FL_FAILED; 396 397 test_index++; 398 } 399} 400 401static void hns3_do_external_lb(struct net_device *ndev, 402 struct ethtool_test *eth_test, u64 *data) 403{ 404 data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL); 405 if (!data[HNAE3_LOOP_EXTERNAL]) 406 data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL); 407 hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL); 408 409 if (data[HNAE3_LOOP_EXTERNAL]) 410 eth_test->flags |= ETH_TEST_FL_FAILED; 411 412 eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 413} 414 415/** 416 * hns3_self_test - self test 417 * @ndev: net device 418 * @eth_test: test cmd 419 * @data: test result 420 */ 421static void hns3_self_test(struct net_device *ndev, 422 struct ethtool_test *eth_test, u64 *data) 423{ 424 int cnt = hns3_get_sset_count(ndev, ETH_SS_TEST); 425 struct hns3_nic_priv *priv = netdev_priv(ndev); 426 struct hnae3_handle *h = priv->ae_handle; 427 int st_param[HNAE3_LOOP_NONE][2]; 428 bool if_running = netif_running(ndev); 429 int i; 430 431 /* initialize the loopback test result, avoid marking an unexcuted 432 * loopback test as PASS. 433 */ 434 for (i = 0; i < cnt; i++) 435 data[i] = HNS3_NIC_LB_TEST_UNEXECUTED; 436 437 if (hns3_nic_resetting(ndev)) { 438 netdev_err(ndev, "dev resetting!"); 439 goto failure; 440 } 441 442 if (!(eth_test->flags & ETH_TEST_FL_OFFLINE)) 443 goto failure; 444 445 if (netif_msg_ifdown(h)) 446 netdev_info(ndev, "self test start\n"); 447 448 hns3_set_selftest_param(h, st_param); 449 450 /* external loopback test requires that the link is up and the duplex is 451 * full, do external test first to reduce the whole test time 452 */ 453 if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) { 454 hns3_external_lb_prepare(ndev, if_running); 455 hns3_do_external_lb(ndev, eth_test, data); 456 hns3_external_lb_restore(ndev, if_running); 457 } 458 459 hns3_selftest_prepare(ndev, if_running); 460 hns3_do_selftest(ndev, st_param, eth_test, data); 461 hns3_selftest_restore(ndev, if_running); 462 463 if (netif_msg_ifdown(h)) 464 netdev_info(ndev, "self test end\n"); 465 return; 466 467failure: 468 eth_test->flags |= ETH_TEST_FL_FAILED; 469} 470 471static void hns3_update_limit_promisc_mode(struct net_device *netdev, 472 bool enable) 473{ 474 struct hnae3_handle *handle = hns3_get_handle(netdev); 475 476 if (enable) 477 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 478 else 479 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 480 481 hns3_request_update_promisc_mode(handle); 482} 483 484static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 485 { "limit_promisc", hns3_update_limit_promisc_mode } 486}; 487 488static int hns3_get_sset_count(struct net_device *netdev, int stringset) 489{ 490 struct hnae3_handle *h = hns3_get_handle(netdev); 491 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 492 493 if (!ops->get_sset_count) 494 return -EOPNOTSUPP; 495 496 switch (stringset) { 497 case ETH_SS_STATS: 498 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 499 ops->get_sset_count(h, stringset)); 500 501 case ETH_SS_TEST: 502 return ops->get_sset_count(h, stringset); 503 504 case ETH_SS_PRIV_FLAGS: 505 return HNAE3_PFLAG_MAX; 506 507 default: 508 return -EOPNOTSUPP; 509 } 510} 511 512static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 513 u32 stat_count, u32 num_tqps, const char *prefix) 514{ 515#define MAX_PREFIX_SIZE (6 + 4) 516 u32 size_left; 517 u32 i, j; 518 u32 n1; 519 520 for (i = 0; i < num_tqps; i++) { 521 for (j = 0; j < stat_count; j++) { 522 data[ETH_GSTRING_LEN - 1] = '\0'; 523 524 /* first, prepend the prefix string */ 525 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_", 526 prefix, i); 527 size_left = (ETH_GSTRING_LEN - 1) - n1; 528 529 /* now, concatenate the stats string to it */ 530 strncat(data, stats[j].stats_string, size_left); 531 data += ETH_GSTRING_LEN; 532 } 533 } 534 535 return data; 536} 537 538static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 539{ 540 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 541 const char tx_prefix[] = "txq"; 542 const char rx_prefix[] = "rxq"; 543 544 /* get strings for Tx */ 545 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 546 kinfo->num_tqps, tx_prefix); 547 548 /* get strings for Rx */ 549 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 550 kinfo->num_tqps, rx_prefix); 551 552 return data; 553} 554 555static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 556{ 557 struct hnae3_handle *h = hns3_get_handle(netdev); 558 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 559 char *buff = (char *)data; 560 int i; 561 562 if (!ops->get_strings) 563 return; 564 565 switch (stringset) { 566 case ETH_SS_STATS: 567 buff = hns3_get_strings_tqps(h, buff); 568 ops->get_strings(h, stringset, (u8 *)buff); 569 break; 570 case ETH_SS_TEST: 571 ops->get_strings(h, stringset, data); 572 break; 573 case ETH_SS_PRIV_FLAGS: 574 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { 575 snprintf(buff, ETH_GSTRING_LEN, "%s", 576 hns3_priv_flags[i].name); 577 buff += ETH_GSTRING_LEN; 578 } 579 break; 580 default: 581 break; 582 } 583} 584 585static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 586{ 587 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 588 struct hns3_nic_priv *nic_priv = handle->priv; 589 struct hns3_enet_ring *ring; 590 u8 *stat; 591 int i, j; 592 593 /* get stats for Tx */ 594 for (i = 0; i < kinfo->num_tqps; i++) { 595 ring = &nic_priv->ring[i]; 596 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 597 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 598 *data++ = *(u64 *)stat; 599 } 600 } 601 602 /* get stats for Rx */ 603 for (i = 0; i < kinfo->num_tqps; i++) { 604 ring = &nic_priv->ring[i + kinfo->num_tqps]; 605 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 606 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 607 *data++ = *(u64 *)stat; 608 } 609 } 610 611 return data; 612} 613 614/* hns3_get_stats - get detail statistics. 615 * @netdev: net device 616 * @stats: statistics info. 617 * @data: statistics data. 618 */ 619static void hns3_get_stats(struct net_device *netdev, 620 struct ethtool_stats *stats, u64 *data) 621{ 622 struct hnae3_handle *h = hns3_get_handle(netdev); 623 u64 *p = data; 624 625 if (hns3_nic_resetting(netdev)) { 626 netdev_err(netdev, "dev resetting, could not get stats\n"); 627 return; 628 } 629 630 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 631 netdev_err(netdev, "could not get any statistics\n"); 632 return; 633 } 634 635 h->ae_algo->ops->update_stats(h); 636 637 /* get per-queue stats */ 638 p = hns3_get_stats_tqps(h, p); 639 640 /* get MAC & other misc hardware stats */ 641 h->ae_algo->ops->get_stats(h, p); 642} 643 644static void hns3_get_drvinfo(struct net_device *netdev, 645 struct ethtool_drvinfo *drvinfo) 646{ 647 struct hns3_nic_priv *priv = netdev_priv(netdev); 648 struct hnae3_handle *h = priv->ae_handle; 649 u32 fw_version; 650 651 if (!h->ae_algo->ops->get_fw_version) { 652 netdev_err(netdev, "could not get fw version!\n"); 653 return; 654 } 655 656 strscpy(drvinfo->driver, dev_driver_string(&h->pdev->dev), 657 sizeof(drvinfo->driver)); 658 659 strscpy(drvinfo->bus_info, pci_name(h->pdev), 660 sizeof(drvinfo->bus_info)); 661 662 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 663 664 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 665 "%lu.%lu.%lu.%lu", 666 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 667 HNAE3_FW_VERSION_BYTE3_SHIFT), 668 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 669 HNAE3_FW_VERSION_BYTE2_SHIFT), 670 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 671 HNAE3_FW_VERSION_BYTE1_SHIFT), 672 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 673 HNAE3_FW_VERSION_BYTE0_SHIFT)); 674} 675 676static u32 hns3_get_link(struct net_device *netdev) 677{ 678 struct hnae3_handle *h = hns3_get_handle(netdev); 679 680 if (h->ae_algo->ops->get_status) 681 return h->ae_algo->ops->get_status(h); 682 else 683 return 0; 684} 685 686static void hns3_get_ringparam(struct net_device *netdev, 687 struct ethtool_ringparam *param, 688 struct kernel_ethtool_ringparam *kernel_param, 689 struct netlink_ext_ack *extack) 690{ 691 struct hns3_nic_priv *priv = netdev_priv(netdev); 692 struct hnae3_handle *h = priv->ae_handle; 693 int rx_queue_index = h->kinfo.num_tqps; 694 695 if (hns3_nic_resetting(netdev) || !priv->ring) { 696 netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n"); 697 return; 698 } 699 700 param->tx_max_pending = HNS3_RING_MAX_PENDING; 701 param->rx_max_pending = HNS3_RING_MAX_PENDING; 702 703 param->tx_pending = priv->ring[0].desc_num; 704 param->rx_pending = priv->ring[rx_queue_index].desc_num; 705 kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size; 706 kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, 707 &priv->state); 708} 709 710static void hns3_get_pauseparam(struct net_device *netdev, 711 struct ethtool_pauseparam *param) 712{ 713 struct hnae3_handle *h = hns3_get_handle(netdev); 714 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 715 716 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 717 return; 718 719 if (h->ae_algo->ops->get_pauseparam) 720 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 721 ¶m->rx_pause, ¶m->tx_pause); 722} 723 724static int hns3_set_pauseparam(struct net_device *netdev, 725 struct ethtool_pauseparam *param) 726{ 727 struct hnae3_handle *h = hns3_get_handle(netdev); 728 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 729 730 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 731 return -EOPNOTSUPP; 732 733 netif_dbg(h, drv, netdev, 734 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 735 param->autoneg, param->rx_pause, param->tx_pause); 736 737 if (h->ae_algo->ops->set_pauseparam) 738 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 739 param->rx_pause, 740 param->tx_pause); 741 return -EOPNOTSUPP; 742} 743 744static void hns3_get_ksettings(struct hnae3_handle *h, 745 struct ethtool_link_ksettings *cmd) 746{ 747 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 748 749 /* 1.auto_neg & speed & duplex from cmd */ 750 if (ops->get_ksettings_an_result) 751 ops->get_ksettings_an_result(h, 752 &cmd->base.autoneg, 753 &cmd->base.speed, 754 &cmd->base.duplex, 755 &cmd->lanes); 756 757 /* 2.get link mode */ 758 if (ops->get_link_mode) 759 ops->get_link_mode(h, 760 cmd->link_modes.supported, 761 cmd->link_modes.advertising); 762 763 /* 3.mdix_ctrl&mdix get from phy reg */ 764 if (ops->get_mdix_mode) 765 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 766 &cmd->base.eth_tp_mdix); 767} 768 769static int hns3_get_link_ksettings(struct net_device *netdev, 770 struct ethtool_link_ksettings *cmd) 771{ 772 struct hnae3_handle *h = hns3_get_handle(netdev); 773 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 774 const struct hnae3_ae_ops *ops; 775 u8 module_type; 776 u8 media_type; 777 u8 link_stat; 778 779 ops = h->ae_algo->ops; 780 if (ops->get_media_type) 781 ops->get_media_type(h, &media_type, &module_type); 782 else 783 return -EOPNOTSUPP; 784 785 switch (media_type) { 786 case HNAE3_MEDIA_TYPE_NONE: 787 cmd->base.port = PORT_NONE; 788 hns3_get_ksettings(h, cmd); 789 break; 790 case HNAE3_MEDIA_TYPE_FIBER: 791 if (module_type == HNAE3_MODULE_TYPE_UNKNOWN) 792 cmd->base.port = PORT_OTHER; 793 else if (module_type == HNAE3_MODULE_TYPE_CR) 794 cmd->base.port = PORT_DA; 795 else 796 cmd->base.port = PORT_FIBRE; 797 798 hns3_get_ksettings(h, cmd); 799 break; 800 case HNAE3_MEDIA_TYPE_BACKPLANE: 801 cmd->base.port = PORT_NONE; 802 hns3_get_ksettings(h, cmd); 803 break; 804 case HNAE3_MEDIA_TYPE_COPPER: 805 cmd->base.port = PORT_TP; 806 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 807 ops->get_phy_link_ksettings) 808 ops->get_phy_link_ksettings(h, cmd); 809 else if (!netdev->phydev) 810 hns3_get_ksettings(h, cmd); 811 else 812 phy_ethtool_ksettings_get(netdev->phydev, cmd); 813 break; 814 default: 815 816 netdev_warn(netdev, "Unknown media type"); 817 return 0; 818 } 819 820 /* mdio_support */ 821 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 822 823 link_stat = hns3_get_link(netdev); 824 if (!link_stat) { 825 cmd->base.speed = SPEED_UNKNOWN; 826 cmd->base.duplex = DUPLEX_UNKNOWN; 827 } 828 829 return 0; 830} 831 832static int hns3_check_ksettings_param(const struct net_device *netdev, 833 const struct ethtool_link_ksettings *cmd) 834{ 835 struct hnae3_handle *handle = hns3_get_handle(netdev); 836 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 837 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 838 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 839 u32 lane_num; 840 u8 autoneg; 841 u32 speed; 842 u8 duplex; 843 int ret; 844 845 /* hw doesn't support use specified speed and duplex to negotiate, 846 * unnecessary to check them when autoneg on. 847 */ 848 if (cmd->base.autoneg) 849 return 0; 850 851 if (ops->get_ksettings_an_result) { 852 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex, &lane_num); 853 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 854 cmd->base.duplex == duplex && cmd->lanes == lane_num) 855 return 0; 856 } 857 858 if (ops->get_media_type) 859 ops->get_media_type(handle, &media_type, &module_type); 860 861 if (cmd->base.duplex == DUPLEX_HALF && 862 media_type != HNAE3_MEDIA_TYPE_COPPER) { 863 netdev_err(netdev, 864 "only copper port supports half duplex!"); 865 return -EINVAL; 866 } 867 868 if (ops->check_port_speed) { 869 ret = ops->check_port_speed(handle, cmd->base.speed); 870 if (ret) { 871 netdev_err(netdev, "unsupported speed\n"); 872 return ret; 873 } 874 } 875 876 return 0; 877} 878 879static int hns3_set_link_ksettings(struct net_device *netdev, 880 const struct ethtool_link_ksettings *cmd) 881{ 882 struct hnae3_handle *handle = hns3_get_handle(netdev); 883 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 884 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 885 int ret; 886 887 /* Chip don't support this mode. */ 888 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 889 return -EINVAL; 890 891 if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev)) 892 return -EOPNOTSUPP; 893 894 netif_dbg(handle, drv, netdev, 895 "set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n", 896 netdev->phydev ? "phy" : "mac", 897 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex, 898 cmd->lanes); 899 900 /* Only support ksettings_set for netdev with phy attached for now */ 901 if (netdev->phydev) { 902 if (cmd->base.speed == SPEED_1000 && 903 cmd->base.autoneg == AUTONEG_DISABLE) 904 return -EINVAL; 905 906 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 907 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 908 ops->set_phy_link_ksettings) { 909 return ops->set_phy_link_ksettings(handle, cmd); 910 } 911 912 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 913 return -EOPNOTSUPP; 914 915 ret = hns3_check_ksettings_param(netdev, cmd); 916 if (ret) 917 return ret; 918 919 if (ops->set_autoneg) { 920 ret = ops->set_autoneg(handle, cmd->base.autoneg); 921 if (ret) 922 return ret; 923 } 924 925 /* hw doesn't support use specified speed and duplex to negotiate, 926 * ignore them when autoneg on. 927 */ 928 if (cmd->base.autoneg) { 929 netdev_info(netdev, 930 "autoneg is on, ignore the speed and duplex\n"); 931 return 0; 932 } 933 934 if (ops->cfg_mac_speed_dup_h) 935 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 936 cmd->base.duplex, (u8)(cmd->lanes)); 937 938 return ret; 939} 940 941static u32 hns3_get_rss_key_size(struct net_device *netdev) 942{ 943 struct hnae3_handle *h = hns3_get_handle(netdev); 944 945 if (!h->ae_algo->ops->get_rss_key_size) 946 return 0; 947 948 return h->ae_algo->ops->get_rss_key_size(h); 949} 950 951static u32 hns3_get_rss_indir_size(struct net_device *netdev) 952{ 953 struct hnae3_handle *h = hns3_get_handle(netdev); 954 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 955 956 return ae_dev->dev_specs.rss_ind_tbl_size; 957} 958 959static int hns3_get_rss(struct net_device *netdev, 960 struct ethtool_rxfh_param *rxfh) 961{ 962 struct hnae3_handle *h = hns3_get_handle(netdev); 963 964 if (!h->ae_algo->ops->get_rss) 965 return -EOPNOTSUPP; 966 967 return h->ae_algo->ops->get_rss(h, rxfh->indir, rxfh->key, 968 &rxfh->hfunc); 969} 970 971static int hns3_set_rss(struct net_device *netdev, 972 struct ethtool_rxfh_param *rxfh, 973 struct netlink_ext_ack *extack) 974{ 975 struct hnae3_handle *h = hns3_get_handle(netdev); 976 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 977 978 if (!h->ae_algo->ops->set_rss) 979 return -EOPNOTSUPP; 980 981 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 982 rxfh->hfunc != ETH_RSS_HASH_TOP) || 983 (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 984 rxfh->hfunc != ETH_RSS_HASH_TOP && 985 rxfh->hfunc != ETH_RSS_HASH_XOR)) { 986 netdev_err(netdev, "hash func not supported\n"); 987 return -EOPNOTSUPP; 988 } 989 990 if (!rxfh->indir) { 991 netdev_err(netdev, 992 "set rss failed for indir is empty\n"); 993 return -EOPNOTSUPP; 994 } 995 996 return h->ae_algo->ops->set_rss(h, rxfh->indir, rxfh->key, 997 rxfh->hfunc); 998} 999 1000static int hns3_get_rxnfc(struct net_device *netdev, 1001 struct ethtool_rxnfc *cmd, 1002 u32 *rule_locs) 1003{ 1004 struct hnae3_handle *h = hns3_get_handle(netdev); 1005 1006 switch (cmd->cmd) { 1007 case ETHTOOL_GRXRINGS: 1008 cmd->data = h->kinfo.num_tqps; 1009 return 0; 1010 case ETHTOOL_GRXFH: 1011 if (h->ae_algo->ops->get_rss_tuple) 1012 return h->ae_algo->ops->get_rss_tuple(h, cmd); 1013 return -EOPNOTSUPP; 1014 case ETHTOOL_GRXCLSRLCNT: 1015 if (h->ae_algo->ops->get_fd_rule_cnt) 1016 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 1017 return -EOPNOTSUPP; 1018 case ETHTOOL_GRXCLSRULE: 1019 if (h->ae_algo->ops->get_fd_rule_info) 1020 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 1021 return -EOPNOTSUPP; 1022 case ETHTOOL_GRXCLSRLALL: 1023 if (h->ae_algo->ops->get_fd_all_rules) 1024 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 1025 rule_locs); 1026 return -EOPNOTSUPP; 1027 default: 1028 return -EOPNOTSUPP; 1029 } 1030} 1031 1032static const struct hns3_reset_type_map hns3_reset_type[] = { 1033 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 1034 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 1035 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 1036}; 1037 1038static const struct hns3_reset_type_map hns3vf_reset_type[] = { 1039 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 1040}; 1041 1042static int hns3_set_reset(struct net_device *netdev, u32 *flags) 1043{ 1044 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 1045 struct hnae3_handle *h = hns3_get_handle(netdev); 1046 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 1047 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 1048 const struct hns3_reset_type_map *rst_type_map; 1049 enum ethtool_reset_flags rst_flags; 1050 u32 i, size; 1051 1052 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 1053 return -EBUSY; 1054 1055 if (!ops->set_default_reset_request || !ops->reset_event) 1056 return -EOPNOTSUPP; 1057 1058 if (h->flags & HNAE3_SUPPORT_VF) { 1059 rst_type_map = hns3vf_reset_type; 1060 size = ARRAY_SIZE(hns3vf_reset_type); 1061 } else { 1062 rst_type_map = hns3_reset_type; 1063 size = ARRAY_SIZE(hns3_reset_type); 1064 } 1065 1066 for (i = 0; i < size; i++) { 1067 if (rst_type_map[i].rst_flags == *flags) { 1068 rst_type = rst_type_map[i].rst_type; 1069 rst_flags = rst_type_map[i].rst_flags; 1070 break; 1071 } 1072 } 1073 1074 if (rst_type == HNAE3_NONE_RESET || 1075 (rst_type == HNAE3_IMP_RESET && 1076 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1077 return -EOPNOTSUPP; 1078 1079 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1080 1081 ops->set_default_reset_request(ae_dev, rst_type); 1082 1083 ops->reset_event(h->pdev, h); 1084 1085 *flags &= ~rst_flags; 1086 1087 return 0; 1088} 1089 1090static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1091 u32 tx_desc_num, u32 rx_desc_num) 1092{ 1093 struct hnae3_handle *h = priv->ae_handle; 1094 int i; 1095 1096 h->kinfo.num_tx_desc = tx_desc_num; 1097 h->kinfo.num_rx_desc = rx_desc_num; 1098 1099 for (i = 0; i < h->kinfo.num_tqps; i++) { 1100 priv->ring[i].desc_num = tx_desc_num; 1101 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1102 } 1103} 1104 1105static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1106{ 1107 struct hnae3_handle *handle = priv->ae_handle; 1108 struct hns3_enet_ring *tmp_rings; 1109 int i; 1110 1111 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1112 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1113 if (!tmp_rings) 1114 return NULL; 1115 1116 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1117 memcpy(&tmp_rings[i], &priv->ring[i], 1118 sizeof(struct hns3_enet_ring)); 1119 tmp_rings[i].skb = NULL; 1120 } 1121 1122 return tmp_rings; 1123} 1124 1125static int hns3_check_ringparam(struct net_device *ndev, 1126 struct ethtool_ringparam *param, 1127 struct kernel_ethtool_ringparam *kernel_param) 1128{ 1129#define RX_BUF_LEN_2K 2048 1130#define RX_BUF_LEN_4K 4096 1131 1132 struct hns3_nic_priv *priv = netdev_priv(ndev); 1133 1134 if (hns3_nic_resetting(ndev) || !priv->ring) { 1135 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n"); 1136 return -EBUSY; 1137 } 1138 1139 1140 if (param->rx_mini_pending || param->rx_jumbo_pending) 1141 return -EINVAL; 1142 1143 if (kernel_param->rx_buf_len != RX_BUF_LEN_2K && 1144 kernel_param->rx_buf_len != RX_BUF_LEN_4K) { 1145 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n"); 1146 return -EINVAL; 1147 } 1148 1149 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1150 param->tx_pending < HNS3_RING_MIN_PENDING || 1151 param->rx_pending > HNS3_RING_MAX_PENDING || 1152 param->rx_pending < HNS3_RING_MIN_PENDING) { 1153 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1154 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1155 return -EINVAL; 1156 } 1157 1158 return 0; 1159} 1160 1161static bool 1162hns3_is_ringparam_changed(struct net_device *ndev, 1163 struct ethtool_ringparam *param, 1164 struct kernel_ethtool_ringparam *kernel_param, 1165 struct hns3_ring_param *old_ringparam, 1166 struct hns3_ring_param *new_ringparam) 1167{ 1168 struct hns3_nic_priv *priv = netdev_priv(ndev); 1169 struct hnae3_handle *h = priv->ae_handle; 1170 u16 queue_num = h->kinfo.num_tqps; 1171 1172 new_ringparam->tx_desc_num = ALIGN(param->tx_pending, 1173 HNS3_RING_BD_MULTIPLE); 1174 new_ringparam->rx_desc_num = ALIGN(param->rx_pending, 1175 HNS3_RING_BD_MULTIPLE); 1176 old_ringparam->tx_desc_num = priv->ring[0].desc_num; 1177 old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num; 1178 old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size; 1179 new_ringparam->rx_buf_len = kernel_param->rx_buf_len; 1180 1181 if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num && 1182 old_ringparam->rx_desc_num == new_ringparam->rx_desc_num && 1183 old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) { 1184 netdev_info(ndev, "descriptor number and rx buffer length not changed\n"); 1185 return false; 1186 } 1187 1188 return true; 1189} 1190 1191static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1192{ 1193 struct hns3_nic_priv *priv = netdev_priv(ndev); 1194 struct hnae3_handle *h = priv->ae_handle; 1195 int i; 1196 1197 h->kinfo.rx_buf_len = rx_buf_len; 1198 1199 for (i = 0; i < h->kinfo.num_tqps; i++) { 1200 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1201 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1202 } 1203 1204 return 0; 1205} 1206 1207static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push) 1208{ 1209 struct hns3_nic_priv *priv = netdev_priv(netdev); 1210 struct hnae3_handle *h = hns3_get_handle(netdev); 1211 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 1212 u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1213 1214 if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push) 1215 return -EOPNOTSUPP; 1216 1217 if (tx_push == old_state) 1218 return 0; 1219 1220 netdev_dbg(netdev, "Changing tx push from %s to %s\n", 1221 old_state ? "on" : "off", tx_push ? "on" : "off"); 1222 1223 if (tx_push) 1224 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1225 else 1226 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1227 1228 return 0; 1229} 1230 1231static int hns3_set_ringparam(struct net_device *ndev, 1232 struct ethtool_ringparam *param, 1233 struct kernel_ethtool_ringparam *kernel_param, 1234 struct netlink_ext_ack *extack) 1235{ 1236 struct hns3_ring_param old_ringparam, new_ringparam; 1237 struct hns3_nic_priv *priv = netdev_priv(ndev); 1238 struct hnae3_handle *h = priv->ae_handle; 1239 struct hns3_enet_ring *tmp_rings; 1240 bool if_running = netif_running(ndev); 1241 int ret, i; 1242 1243 ret = hns3_check_ringparam(ndev, param, kernel_param); 1244 if (ret) 1245 return ret; 1246 1247 ret = hns3_set_tx_push(ndev, kernel_param->tx_push); 1248 if (ret) 1249 return ret; 1250 1251 if (!hns3_is_ringparam_changed(ndev, param, kernel_param, 1252 &old_ringparam, &new_ringparam)) 1253 return 0; 1254 1255 tmp_rings = hns3_backup_ringparam(priv); 1256 if (!tmp_rings) { 1257 netdev_err(ndev, "backup ring param failed by allocating memory fail\n"); 1258 return -ENOMEM; 1259 } 1260 1261 netdev_info(ndev, 1262 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n", 1263 old_ringparam.tx_desc_num, old_ringparam.rx_desc_num, 1264 new_ringparam.tx_desc_num, new_ringparam.rx_desc_num, 1265 old_ringparam.rx_buf_len, new_ringparam.rx_buf_len); 1266 1267 if (if_running) 1268 ndev->netdev_ops->ndo_stop(ndev); 1269 1270 hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num, 1271 new_ringparam.rx_desc_num); 1272 hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len); 1273 ret = hns3_init_all_ring(priv); 1274 if (ret) { 1275 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1276 ret); 1277 1278 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len); 1279 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num, 1280 old_ringparam.rx_desc_num); 1281 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1282 memcpy(&priv->ring[i], &tmp_rings[i], 1283 sizeof(struct hns3_enet_ring)); 1284 } else { 1285 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1286 hns3_fini_ring(&tmp_rings[i]); 1287 } 1288 1289 kfree(tmp_rings); 1290 1291 if (if_running) 1292 ret = ndev->netdev_ops->ndo_open(ndev); 1293 1294 return ret; 1295} 1296 1297static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1298{ 1299 struct hnae3_handle *h = hns3_get_handle(netdev); 1300 1301 switch (cmd->cmd) { 1302 case ETHTOOL_SRXFH: 1303 if (h->ae_algo->ops->set_rss_tuple) 1304 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1305 return -EOPNOTSUPP; 1306 case ETHTOOL_SRXCLSRLINS: 1307 if (h->ae_algo->ops->add_fd_entry) 1308 return h->ae_algo->ops->add_fd_entry(h, cmd); 1309 return -EOPNOTSUPP; 1310 case ETHTOOL_SRXCLSRLDEL: 1311 if (h->ae_algo->ops->del_fd_entry) 1312 return h->ae_algo->ops->del_fd_entry(h, cmd); 1313 return -EOPNOTSUPP; 1314 default: 1315 return -EOPNOTSUPP; 1316 } 1317} 1318 1319static int hns3_nway_reset(struct net_device *netdev) 1320{ 1321 struct hnae3_handle *handle = hns3_get_handle(netdev); 1322 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1323 struct phy_device *phy = netdev->phydev; 1324 int autoneg; 1325 1326 if (!netif_running(netdev)) 1327 return 0; 1328 1329 if (hns3_nic_resetting(netdev)) { 1330 netdev_err(netdev, "dev resetting!"); 1331 return -EBUSY; 1332 } 1333 1334 if (!ops->get_autoneg || !ops->restart_autoneg) 1335 return -EOPNOTSUPP; 1336 1337 autoneg = ops->get_autoneg(handle); 1338 if (autoneg != AUTONEG_ENABLE) { 1339 netdev_err(netdev, 1340 "Autoneg is off, don't support to restart it\n"); 1341 return -EINVAL; 1342 } 1343 1344 netif_dbg(handle, drv, netdev, 1345 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1346 1347 if (phy) 1348 return genphy_restart_aneg(phy); 1349 1350 return ops->restart_autoneg(handle); 1351} 1352 1353static void hns3_get_channels(struct net_device *netdev, 1354 struct ethtool_channels *ch) 1355{ 1356 struct hnae3_handle *h = hns3_get_handle(netdev); 1357 1358 if (h->ae_algo->ops->get_channels) 1359 h->ae_algo->ops->get_channels(h, ch); 1360} 1361 1362static int hns3_get_coalesce(struct net_device *netdev, 1363 struct ethtool_coalesce *cmd, 1364 struct kernel_ethtool_coalesce *kernel_coal, 1365 struct netlink_ext_ack *extack) 1366{ 1367 struct hns3_nic_priv *priv = netdev_priv(netdev); 1368 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1369 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1370 struct hnae3_handle *h = priv->ae_handle; 1371 1372 if (hns3_nic_resetting(netdev)) 1373 return -EBUSY; 1374 1375 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1376 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1377 1378 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1379 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1380 1381 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1382 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1383 1384 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1385 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1386 1387 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1388 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1389 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1390 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1391 1392 return 0; 1393} 1394 1395static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1396 struct ethtool_coalesce *cmd) 1397{ 1398 struct hnae3_handle *handle = hns3_get_handle(netdev); 1399 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1400 u32 rx_gl, tx_gl; 1401 1402 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1403 netdev_err(netdev, 1404 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1405 ae_dev->dev_specs.max_int_gl); 1406 return -EINVAL; 1407 } 1408 1409 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1410 netdev_err(netdev, 1411 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1412 ae_dev->dev_specs.max_int_gl); 1413 return -EINVAL; 1414 } 1415 1416 /* device version above V3(include V3), GL uses 1us unit, 1417 * so the round down is not needed. 1418 */ 1419 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1420 return 0; 1421 1422 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1423 if (rx_gl != cmd->rx_coalesce_usecs) { 1424 netdev_info(netdev, 1425 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1426 cmd->rx_coalesce_usecs, rx_gl); 1427 } 1428 1429 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1430 if (tx_gl != cmd->tx_coalesce_usecs) { 1431 netdev_info(netdev, 1432 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1433 cmd->tx_coalesce_usecs, tx_gl); 1434 } 1435 1436 return 0; 1437} 1438 1439static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1440 struct ethtool_coalesce *cmd) 1441{ 1442 u32 rl; 1443 1444 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1445 netdev_err(netdev, 1446 "tx_usecs_high must be same as rx_usecs_high.\n"); 1447 return -EINVAL; 1448 } 1449 1450 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1451 netdev_err(netdev, 1452 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1453 HNS3_INT_RL_MAX); 1454 return -EINVAL; 1455 } 1456 1457 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1458 if (rl != cmd->rx_coalesce_usecs_high) { 1459 netdev_info(netdev, 1460 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1461 cmd->rx_coalesce_usecs_high, rl); 1462 } 1463 1464 return 0; 1465} 1466 1467static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1468 struct ethtool_coalesce *cmd) 1469{ 1470 struct hnae3_handle *handle = hns3_get_handle(netdev); 1471 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1472 1473 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1474 !ae_dev->dev_specs.int_ql_max) { 1475 netdev_err(netdev, "coalesced frames is not supported\n"); 1476 return -EOPNOTSUPP; 1477 } 1478 1479 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1480 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1481 netdev_err(netdev, 1482 "invalid coalesced_frames value, range is 0-%u\n", 1483 ae_dev->dev_specs.int_ql_max); 1484 return -ERANGE; 1485 } 1486 1487 return 0; 1488} 1489 1490static int 1491hns3_check_cqe_coalesce_param(struct net_device *netdev, 1492 struct kernel_ethtool_coalesce *kernel_coal) 1493{ 1494 struct hnae3_handle *handle = hns3_get_handle(netdev); 1495 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1496 1497 if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) && 1498 !hnae3_ae_dev_cq_supported(ae_dev)) { 1499 netdev_err(netdev, "coalesced cqe mode is not supported\n"); 1500 return -EOPNOTSUPP; 1501 } 1502 1503 return 0; 1504} 1505 1506static int 1507hns3_check_coalesce_para(struct net_device *netdev, 1508 struct ethtool_coalesce *cmd, 1509 struct kernel_ethtool_coalesce *kernel_coal) 1510{ 1511 int ret; 1512 1513 ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal); 1514 if (ret) 1515 return ret; 1516 1517 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1518 if (ret) { 1519 netdev_err(netdev, 1520 "Check gl coalesce param fail. ret = %d\n", ret); 1521 return ret; 1522 } 1523 1524 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1525 if (ret) { 1526 netdev_err(netdev, 1527 "Check rl coalesce param fail. ret = %d\n", ret); 1528 return ret; 1529 } 1530 1531 return hns3_check_ql_coalesce_param(netdev, cmd); 1532} 1533 1534static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1535 struct ethtool_coalesce *cmd, 1536 u32 queue) 1537{ 1538 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1539 struct hns3_nic_priv *priv = netdev_priv(netdev); 1540 struct hnae3_handle *h = priv->ae_handle; 1541 int queue_num = h->kinfo.num_tqps; 1542 1543 tx_vector = priv->ring[queue].tqp_vector; 1544 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1545 1546 tx_vector->tx_group.coal.adapt_enable = 1547 cmd->use_adaptive_tx_coalesce; 1548 rx_vector->rx_group.coal.adapt_enable = 1549 cmd->use_adaptive_rx_coalesce; 1550 1551 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1552 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1553 1554 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1555 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1556 1557 hns3_set_vector_coalesce_tx_gl(tx_vector, 1558 tx_vector->tx_group.coal.int_gl); 1559 hns3_set_vector_coalesce_rx_gl(rx_vector, 1560 rx_vector->rx_group.coal.int_gl); 1561 1562 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1563 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1564 1565 if (tx_vector->tx_group.coal.ql_enable) 1566 hns3_set_vector_coalesce_tx_ql(tx_vector, 1567 tx_vector->tx_group.coal.int_ql); 1568 if (rx_vector->rx_group.coal.ql_enable) 1569 hns3_set_vector_coalesce_rx_ql(rx_vector, 1570 rx_vector->rx_group.coal.int_ql); 1571} 1572 1573static int hns3_set_coalesce(struct net_device *netdev, 1574 struct ethtool_coalesce *cmd, 1575 struct kernel_ethtool_coalesce *kernel_coal, 1576 struct netlink_ext_ack *extack) 1577{ 1578 struct hnae3_handle *h = hns3_get_handle(netdev); 1579 struct hns3_nic_priv *priv = netdev_priv(netdev); 1580 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1581 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1582 u16 queue_num = h->kinfo.num_tqps; 1583 enum dim_cq_period_mode tx_mode; 1584 enum dim_cq_period_mode rx_mode; 1585 int ret; 1586 int i; 1587 1588 if (hns3_nic_resetting(netdev)) 1589 return -EBUSY; 1590 1591 ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal); 1592 if (ret) 1593 return ret; 1594 1595 h->kinfo.int_rl_setting = 1596 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1597 1598 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1599 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1600 1601 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1602 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1603 1604 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1605 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1606 1607 for (i = 0; i < queue_num; i++) 1608 hns3_set_coalesce_per_queue(netdev, cmd, i); 1609 1610 tx_mode = kernel_coal->use_cqe_mode_tx ? 1611 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1612 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1613 rx_mode = kernel_coal->use_cqe_mode_rx ? 1614 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1615 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1616 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1617 1618 return 0; 1619} 1620 1621static int hns3_get_regs_len(struct net_device *netdev) 1622{ 1623 struct hnae3_handle *h = hns3_get_handle(netdev); 1624 1625 if (!h->ae_algo->ops->get_regs_len) 1626 return -EOPNOTSUPP; 1627 1628 return h->ae_algo->ops->get_regs_len(h); 1629} 1630 1631static void hns3_get_regs(struct net_device *netdev, 1632 struct ethtool_regs *cmd, void *data) 1633{ 1634 struct hnae3_handle *h = hns3_get_handle(netdev); 1635 1636 if (!h->ae_algo->ops->get_regs) 1637 return; 1638 1639 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1640} 1641 1642static int hns3_set_phys_id(struct net_device *netdev, 1643 enum ethtool_phys_id_state state) 1644{ 1645 struct hnae3_handle *h = hns3_get_handle(netdev); 1646 1647 if (!h->ae_algo->ops->set_led_id) 1648 return -EOPNOTSUPP; 1649 1650 return h->ae_algo->ops->set_led_id(h, state); 1651} 1652 1653static u32 hns3_get_msglevel(struct net_device *netdev) 1654{ 1655 struct hnae3_handle *h = hns3_get_handle(netdev); 1656 1657 return h->msg_enable; 1658} 1659 1660static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1661{ 1662 struct hnae3_handle *h = hns3_get_handle(netdev); 1663 1664 h->msg_enable = msg_level; 1665} 1666 1667static void hns3_get_fec_stats(struct net_device *netdev, 1668 struct ethtool_fec_stats *fec_stats) 1669{ 1670 struct hnae3_handle *handle = hns3_get_handle(netdev); 1671 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1672 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1673 1674 if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats) 1675 return; 1676 1677 ops->get_fec_stats(handle, fec_stats); 1678} 1679 1680/* Translate local fec value into ethtool value. */ 1681static unsigned int loc_to_eth_fec(u8 loc_fec) 1682{ 1683 u32 eth_fec = 0; 1684 1685 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1686 eth_fec |= ETHTOOL_FEC_AUTO; 1687 if (loc_fec & BIT(HNAE3_FEC_RS)) 1688 eth_fec |= ETHTOOL_FEC_RS; 1689 if (loc_fec & BIT(HNAE3_FEC_LLRS)) 1690 eth_fec |= ETHTOOL_FEC_LLRS; 1691 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1692 eth_fec |= ETHTOOL_FEC_BASER; 1693 if (loc_fec & BIT(HNAE3_FEC_NONE)) 1694 eth_fec |= ETHTOOL_FEC_OFF; 1695 1696 return eth_fec; 1697} 1698 1699/* Translate ethtool fec value into local value. */ 1700static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1701{ 1702 u32 loc_fec = 0; 1703 1704 if (eth_fec & ETHTOOL_FEC_OFF) 1705 loc_fec |= BIT(HNAE3_FEC_NONE); 1706 if (eth_fec & ETHTOOL_FEC_AUTO) 1707 loc_fec |= BIT(HNAE3_FEC_AUTO); 1708 if (eth_fec & ETHTOOL_FEC_RS) 1709 loc_fec |= BIT(HNAE3_FEC_RS); 1710 if (eth_fec & ETHTOOL_FEC_LLRS) 1711 loc_fec |= BIT(HNAE3_FEC_LLRS); 1712 if (eth_fec & ETHTOOL_FEC_BASER) 1713 loc_fec |= BIT(HNAE3_FEC_BASER); 1714 1715 return loc_fec; 1716} 1717 1718static int hns3_get_fecparam(struct net_device *netdev, 1719 struct ethtool_fecparam *fec) 1720{ 1721 struct hnae3_handle *handle = hns3_get_handle(netdev); 1722 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1723 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1724 u8 fec_ability; 1725 u8 fec_mode; 1726 1727 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1728 return -EOPNOTSUPP; 1729 1730 if (!ops->get_fec) 1731 return -EOPNOTSUPP; 1732 1733 ops->get_fec(handle, &fec_ability, &fec_mode); 1734 1735 fec->fec = loc_to_eth_fec(fec_ability); 1736 fec->active_fec = loc_to_eth_fec(fec_mode); 1737 if (!fec->active_fec) 1738 fec->active_fec = ETHTOOL_FEC_OFF; 1739 1740 return 0; 1741} 1742 1743static int hns3_set_fecparam(struct net_device *netdev, 1744 struct ethtool_fecparam *fec) 1745{ 1746 struct hnae3_handle *handle = hns3_get_handle(netdev); 1747 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1748 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1749 u32 fec_mode; 1750 1751 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1752 return -EOPNOTSUPP; 1753 1754 if (!ops->set_fec) 1755 return -EOPNOTSUPP; 1756 fec_mode = eth_to_loc_fec(fec->fec); 1757 1758 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1759 1760 return ops->set_fec(handle, fec_mode); 1761} 1762 1763static int hns3_get_module_info(struct net_device *netdev, 1764 struct ethtool_modinfo *modinfo) 1765{ 1766#define HNS3_SFF_8636_V1_3 0x03 1767 1768 struct hnae3_handle *handle = hns3_get_handle(netdev); 1769 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1770 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1771 struct hns3_sfp_type sfp_type; 1772 int ret; 1773 1774 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1775 !ops->get_module_eeprom) 1776 return -EOPNOTSUPP; 1777 1778 memset(&sfp_type, 0, sizeof(sfp_type)); 1779 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1780 (u8 *)&sfp_type); 1781 if (ret) 1782 return ret; 1783 1784 switch (sfp_type.type) { 1785 case SFF8024_ID_SFP: 1786 modinfo->type = ETH_MODULE_SFF_8472; 1787 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1788 break; 1789 case SFF8024_ID_QSFP_8438: 1790 modinfo->type = ETH_MODULE_SFF_8436; 1791 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1792 break; 1793 case SFF8024_ID_QSFP_8436_8636: 1794 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1795 modinfo->type = ETH_MODULE_SFF_8436; 1796 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1797 } else { 1798 modinfo->type = ETH_MODULE_SFF_8636; 1799 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1800 } 1801 break; 1802 case SFF8024_ID_QSFP28_8636: 1803 modinfo->type = ETH_MODULE_SFF_8636; 1804 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1805 break; 1806 default: 1807 netdev_err(netdev, "Optical module unknown: %#x\n", 1808 sfp_type.type); 1809 return -EINVAL; 1810 } 1811 1812 return 0; 1813} 1814 1815static int hns3_get_module_eeprom(struct net_device *netdev, 1816 struct ethtool_eeprom *ee, u8 *data) 1817{ 1818 struct hnae3_handle *handle = hns3_get_handle(netdev); 1819 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1820 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1821 1822 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1823 !ops->get_module_eeprom) 1824 return -EOPNOTSUPP; 1825 1826 if (!ee->len) 1827 return -EINVAL; 1828 1829 memset(data, 0, ee->len); 1830 1831 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1832} 1833 1834static u32 hns3_get_priv_flags(struct net_device *netdev) 1835{ 1836 struct hnae3_handle *handle = hns3_get_handle(netdev); 1837 1838 return handle->priv_flags; 1839} 1840 1841static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1842{ 1843 u32 i; 1844 1845 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1846 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1847 netdev_err(h->netdev, "%s is unsupported\n", 1848 hns3_priv_flags[i].name); 1849 return -EOPNOTSUPP; 1850 } 1851 1852 return 0; 1853} 1854 1855static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1856{ 1857 struct hnae3_handle *handle = hns3_get_handle(netdev); 1858 u32 changed = pflags ^ handle->priv_flags; 1859 int ret; 1860 u32 i; 1861 1862 ret = hns3_check_priv_flags(handle, changed); 1863 if (ret) 1864 return ret; 1865 1866 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1867 if (changed & BIT(i)) { 1868 bool enable = !(handle->priv_flags & BIT(i)); 1869 1870 if (enable) 1871 handle->priv_flags |= BIT(i); 1872 else 1873 handle->priv_flags &= ~BIT(i); 1874 hns3_priv_flags[i].handler(netdev, enable); 1875 } 1876 } 1877 1878 return 0; 1879} 1880 1881static int hns3_get_tunable(struct net_device *netdev, 1882 const struct ethtool_tunable *tuna, 1883 void *data) 1884{ 1885 struct hns3_nic_priv *priv = netdev_priv(netdev); 1886 struct hnae3_handle *h = priv->ae_handle; 1887 int ret = 0; 1888 1889 switch (tuna->id) { 1890 case ETHTOOL_TX_COPYBREAK: 1891 /* all the tx rings have the same tx_copybreak */ 1892 *(u32 *)data = priv->tx_copybreak; 1893 break; 1894 case ETHTOOL_RX_COPYBREAK: 1895 *(u32 *)data = priv->rx_copybreak; 1896 break; 1897 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1898 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1899 break; 1900 default: 1901 ret = -EOPNOTSUPP; 1902 break; 1903 } 1904 1905 return ret; 1906} 1907 1908static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1909 u32 data) 1910{ 1911 struct hns3_nic_priv *priv = netdev_priv(netdev); 1912 struct hnae3_handle *h = priv->ae_handle; 1913 int ret; 1914 1915 h->kinfo.tx_spare_buf_size = data; 1916 1917 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1918 if (ret) 1919 return ret; 1920 1921 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1922 if (ret) 1923 return ret; 1924 1925 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1926 if (ret) 1927 return ret; 1928 1929 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1930 if (ret) 1931 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1932 1933 return ret; 1934} 1935 1936static int hns3_set_tunable(struct net_device *netdev, 1937 const struct ethtool_tunable *tuna, 1938 const void *data) 1939{ 1940 struct hns3_nic_priv *priv = netdev_priv(netdev); 1941 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1942 struct hnae3_handle *h = priv->ae_handle; 1943 int i, ret = 0; 1944 1945 if (hns3_nic_resetting(netdev) || !priv->ring) { 1946 netdev_err(netdev, "failed to set tunable value, dev resetting!"); 1947 return -EBUSY; 1948 } 1949 1950 switch (tuna->id) { 1951 case ETHTOOL_TX_COPYBREAK: 1952 priv->tx_copybreak = *(u32 *)data; 1953 1954 for (i = 0; i < h->kinfo.num_tqps; i++) 1955 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1956 1957 break; 1958 case ETHTOOL_RX_COPYBREAK: 1959 priv->rx_copybreak = *(u32 *)data; 1960 1961 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1962 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1963 1964 break; 1965 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1966 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1967 new_tx_spare_buf_size = *(u32 *)data; 1968 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n", 1969 old_tx_spare_buf_size, new_tx_spare_buf_size); 1970 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 1971 if (ret || 1972 (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) { 1973 int ret1; 1974 1975 netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n"); 1976 ret1 = hns3_set_tx_spare_buf_size(netdev, 1977 old_tx_spare_buf_size); 1978 if (ret1) { 1979 netdev_err(netdev, "revert to old tx spare buf size fail\n"); 1980 return ret1; 1981 } 1982 1983 return ret; 1984 } 1985 1986 if (!priv->ring->tx_spare) 1987 netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n"); 1988 else 1989 netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n", 1990 priv->ring->tx_spare->len); 1991 1992 break; 1993 default: 1994 ret = -EOPNOTSUPP; 1995 break; 1996 } 1997 1998 return ret; 1999} 2000 2001#define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 2002 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 2003 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 2004 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 2005 ETHTOOL_COALESCE_MAX_FRAMES | \ 2006 ETHTOOL_COALESCE_USE_CQE) 2007 2008#define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \ 2009 ETHTOOL_RING_USE_TX_PUSH) 2010 2011static int hns3_get_ts_info(struct net_device *netdev, 2012 struct ethtool_ts_info *info) 2013{ 2014 struct hnae3_handle *handle = hns3_get_handle(netdev); 2015 2016 if (handle->ae_algo->ops->get_ts_info) 2017 return handle->ae_algo->ops->get_ts_info(handle, info); 2018 2019 return ethtool_op_get_ts_info(netdev, info); 2020} 2021 2022static const struct hns3_ethtool_link_ext_state_mapping 2023hns3_link_ext_state_map[] = { 2024 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2025 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 2026 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2027 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 2028 2029 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2030 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 2031 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2032 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 2033 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2034 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 2035 2036 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2037 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 2038 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2039 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 2040 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2041 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 2042 2043 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2044 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 2045 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2046 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 2047 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2048 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 2049 2050 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 2051 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2052 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2053 2054 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 2055}; 2056 2057static int hns3_get_link_ext_state(struct net_device *netdev, 2058 struct ethtool_link_ext_state_info *info) 2059{ 2060 const struct hns3_ethtool_link_ext_state_mapping *map; 2061 struct hnae3_handle *h = hns3_get_handle(netdev); 2062 u32 status_code, i; 2063 int ret; 2064 2065 if (netif_carrier_ok(netdev)) 2066 return -ENODATA; 2067 2068 if (!h->ae_algo->ops->get_link_diagnosis_info) 2069 return -EOPNOTSUPP; 2070 2071 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 2072 if (ret) 2073 return ret; 2074 2075 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 2076 map = &hns3_link_ext_state_map[i]; 2077 if (map->status_code == status_code) { 2078 info->link_ext_state = map->link_ext_state; 2079 info->__link_ext_substate = map->link_ext_substate; 2080 return 0; 2081 } 2082 } 2083 2084 return -ENODATA; 2085} 2086 2087static void hns3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 2088{ 2089 struct hnae3_handle *handle = hns3_get_handle(netdev); 2090 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2091 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2092 2093 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2094 return; 2095 2096 ops->get_wol(handle, wol); 2097} 2098 2099static int hns3_set_wol(struct net_device *netdev, 2100 struct ethtool_wolinfo *wol) 2101{ 2102 struct hnae3_handle *handle = hns3_get_handle(netdev); 2103 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2104 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2105 2106 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2107 return -EOPNOTSUPP; 2108 2109 return ops->set_wol(handle, wol); 2110} 2111 2112static const struct ethtool_ops hns3vf_ethtool_ops = { 2113 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2114 .supported_ring_params = HNS3_ETHTOOL_RING, 2115 .get_drvinfo = hns3_get_drvinfo, 2116 .get_ringparam = hns3_get_ringparam, 2117 .set_ringparam = hns3_set_ringparam, 2118 .get_strings = hns3_get_strings, 2119 .get_ethtool_stats = hns3_get_stats, 2120 .get_sset_count = hns3_get_sset_count, 2121 .get_rxnfc = hns3_get_rxnfc, 2122 .set_rxnfc = hns3_set_rxnfc, 2123 .get_rxfh_key_size = hns3_get_rss_key_size, 2124 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2125 .get_rxfh = hns3_get_rss, 2126 .set_rxfh = hns3_set_rss, 2127 .get_link_ksettings = hns3_get_link_ksettings, 2128 .get_channels = hns3_get_channels, 2129 .set_channels = hns3_set_channels, 2130 .get_coalesce = hns3_get_coalesce, 2131 .set_coalesce = hns3_set_coalesce, 2132 .get_regs_len = hns3_get_regs_len, 2133 .get_regs = hns3_get_regs, 2134 .get_link = hns3_get_link, 2135 .get_msglevel = hns3_get_msglevel, 2136 .set_msglevel = hns3_set_msglevel, 2137 .get_priv_flags = hns3_get_priv_flags, 2138 .set_priv_flags = hns3_set_priv_flags, 2139 .get_tunable = hns3_get_tunable, 2140 .set_tunable = hns3_set_tunable, 2141 .reset = hns3_set_reset, 2142}; 2143 2144static const struct ethtool_ops hns3_ethtool_ops = { 2145 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2146 .supported_ring_params = HNS3_ETHTOOL_RING, 2147 .cap_link_lanes_supported = true, 2148 .self_test = hns3_self_test, 2149 .get_drvinfo = hns3_get_drvinfo, 2150 .get_link = hns3_get_link, 2151 .get_ringparam = hns3_get_ringparam, 2152 .set_ringparam = hns3_set_ringparam, 2153 .get_pauseparam = hns3_get_pauseparam, 2154 .set_pauseparam = hns3_set_pauseparam, 2155 .get_strings = hns3_get_strings, 2156 .get_ethtool_stats = hns3_get_stats, 2157 .get_sset_count = hns3_get_sset_count, 2158 .get_rxnfc = hns3_get_rxnfc, 2159 .set_rxnfc = hns3_set_rxnfc, 2160 .get_rxfh_key_size = hns3_get_rss_key_size, 2161 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2162 .get_rxfh = hns3_get_rss, 2163 .set_rxfh = hns3_set_rss, 2164 .get_link_ksettings = hns3_get_link_ksettings, 2165 .set_link_ksettings = hns3_set_link_ksettings, 2166 .nway_reset = hns3_nway_reset, 2167 .get_channels = hns3_get_channels, 2168 .set_channels = hns3_set_channels, 2169 .get_coalesce = hns3_get_coalesce, 2170 .set_coalesce = hns3_set_coalesce, 2171 .get_regs_len = hns3_get_regs_len, 2172 .get_regs = hns3_get_regs, 2173 .set_phys_id = hns3_set_phys_id, 2174 .get_msglevel = hns3_get_msglevel, 2175 .set_msglevel = hns3_set_msglevel, 2176 .get_fecparam = hns3_get_fecparam, 2177 .set_fecparam = hns3_set_fecparam, 2178 .get_fec_stats = hns3_get_fec_stats, 2179 .get_module_info = hns3_get_module_info, 2180 .get_module_eeprom = hns3_get_module_eeprom, 2181 .get_priv_flags = hns3_get_priv_flags, 2182 .set_priv_flags = hns3_set_priv_flags, 2183 .get_ts_info = hns3_get_ts_info, 2184 .get_tunable = hns3_get_tunable, 2185 .set_tunable = hns3_set_tunable, 2186 .reset = hns3_set_reset, 2187 .get_link_ext_state = hns3_get_link_ext_state, 2188 .get_wol = hns3_get_wol, 2189 .set_wol = hns3_set_wol, 2190}; 2191 2192void hns3_ethtool_set_ops(struct net_device *netdev) 2193{ 2194 struct hnae3_handle *h = hns3_get_handle(netdev); 2195 2196 if (h->flags & HNAE3_SUPPORT_VF) 2197 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2198 else 2199 netdev->ethtool_ops = &hns3_ethtool_ops; 2200} 2201