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 19 static 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 47 static 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_SELF_TEST_TYPE_NUM 4 73 #define HNS3_NIC_LB_TEST_PKT_NUM 1 74 #define HNS3_NIC_LB_TEST_RING_ID 0 75 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 76 #define HNS3_NIC_LB_SETUP_USEC 10000 77 78 /* Nic loopback test err */ 79 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 80 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 81 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 82 83 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 84 { 85 struct hnae3_handle *h = hns3_get_handle(ndev); 86 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 87 int ret; 88 89 if (!h->ae_algo->ops->set_loopback || 90 !h->ae_algo->ops->set_promisc_mode) 91 return -EOPNOTSUPP; 92 93 switch (loop) { 94 case HNAE3_LOOP_SERIAL_SERDES: 95 case HNAE3_LOOP_PARALLEL_SERDES: 96 case HNAE3_LOOP_APP: 97 case HNAE3_LOOP_PHY: 98 ret = h->ae_algo->ops->set_loopback(h, loop, en); 99 break; 100 default: 101 ret = -ENOTSUPP; 102 break; 103 } 104 105 if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 106 return ret; 107 108 if (en) 109 h->ae_algo->ops->set_promisc_mode(h, true, true); 110 else 111 /* recover promisc mode before loopback test */ 112 hns3_request_update_promisc_mode(h); 113 114 return ret; 115 } 116 117 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 118 { 119 struct hnae3_handle *h = hns3_get_handle(ndev); 120 int ret; 121 122 ret = hns3_nic_reset_all_ring(h); 123 if (ret) 124 return ret; 125 126 ret = hns3_lp_setup(ndev, loop_mode, true); 127 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 128 129 return ret; 130 } 131 132 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 133 { 134 int ret; 135 136 ret = hns3_lp_setup(ndev, loop_mode, false); 137 if (ret) { 138 netdev_err(ndev, "lb_setup return error: %d\n", ret); 139 return ret; 140 } 141 142 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 143 144 return 0; 145 } 146 147 static void hns3_lp_setup_skb(struct sk_buff *skb) 148 { 149 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 150 151 struct net_device *ndev = skb->dev; 152 struct hnae3_handle *handle; 153 struct hnae3_ae_dev *ae_dev; 154 unsigned char *packet; 155 struct ethhdr *ethh; 156 unsigned int i; 157 158 skb_reserve(skb, NET_IP_ALIGN); 159 ethh = skb_put(skb, sizeof(struct ethhdr)); 160 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 161 162 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 163 164 /* The dst mac addr of loopback packet is the same as the host' 165 * mac addr, the SSU component may loop back the packet to host 166 * before the packet reaches mac or serdes, which will defect 167 * the purpose of mac or serdes selftest. 168 */ 169 handle = hns3_get_handle(ndev); 170 ae_dev = pci_get_drvdata(handle->pdev); 171 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 172 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 173 eth_zero_addr(ethh->h_source); 174 ethh->h_proto = htons(ETH_P_ARP); 175 skb_reset_mac_header(skb); 176 177 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 178 packet[i] = (unsigned char)(i & 0xff); 179 } 180 181 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 182 struct sk_buff *skb) 183 { 184 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 185 unsigned char *packet = skb->data; 186 u32 len = skb_headlen(skb); 187 u32 i; 188 189 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 190 191 for (i = 0; i < len; i++) 192 if (packet[i] != (unsigned char)(i & 0xff)) 193 break; 194 195 /* The packet is correctly received */ 196 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 197 tqp_vector->rx_group.total_packets++; 198 else 199 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 200 skb->data, len, true); 201 202 dev_kfree_skb_any(skb); 203 } 204 205 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 206 { 207 struct hnae3_handle *h = priv->ae_handle; 208 struct hnae3_knic_private_info *kinfo; 209 u32 i, rcv_good_pkt_total = 0; 210 211 kinfo = &h->kinfo; 212 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 213 struct hns3_enet_ring *ring = &priv->ring[i]; 214 struct hns3_enet_ring_group *rx_group; 215 u64 pre_rx_pkt; 216 217 rx_group = &ring->tqp_vector->rx_group; 218 pre_rx_pkt = rx_group->total_packets; 219 220 preempt_disable(); 221 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 222 preempt_enable(); 223 224 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 225 rx_group->total_packets = pre_rx_pkt; 226 } 227 return rcv_good_pkt_total; 228 } 229 230 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 231 u32 end_ringid, u32 budget) 232 { 233 u32 i; 234 235 for (i = start_ringid; i <= end_ringid; i++) { 236 struct hns3_enet_ring *ring = &priv->ring[i]; 237 238 hns3_clean_tx_ring(ring, 0); 239 } 240 } 241 242 /** 243 * hns3_lp_run_test - run loopback test 244 * @ndev: net device 245 * @mode: loopback type 246 * 247 * Return: %0 for success or a NIC loopback test error code on failure 248 */ 249 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 250 { 251 struct hns3_nic_priv *priv = netdev_priv(ndev); 252 struct sk_buff *skb; 253 u32 i, good_cnt; 254 int ret_val = 0; 255 256 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 257 GFP_KERNEL); 258 if (!skb) 259 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 260 261 skb->dev = ndev; 262 hns3_lp_setup_skb(skb); 263 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 264 265 good_cnt = 0; 266 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 267 netdev_tx_t tx_ret; 268 269 skb_get(skb); 270 tx_ret = hns3_nic_net_xmit(skb, ndev); 271 if (tx_ret == NETDEV_TX_OK) { 272 good_cnt++; 273 } else { 274 kfree_skb(skb); 275 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 276 tx_ret); 277 } 278 } 279 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 280 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 281 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 282 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 283 goto out; 284 } 285 286 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 287 msleep(200); 288 289 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 290 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 291 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 292 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 293 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 294 } 295 296 out: 297 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 298 HNS3_NIC_LB_TEST_RING_ID, 299 HNS3_NIC_LB_TEST_PKT_NUM); 300 301 kfree_skb(skb); 302 return ret_val; 303 } 304 305 static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2]) 306 { 307 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 308 st_param[HNAE3_LOOP_APP][1] = 309 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 310 311 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 312 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 313 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 314 315 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 316 HNAE3_LOOP_PARALLEL_SERDES; 317 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 318 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 319 320 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 321 st_param[HNAE3_LOOP_PHY][1] = 322 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 323 } 324 325 static void hns3_selftest_prepare(struct net_device *ndev, 326 bool if_running, int (*st_param)[2]) 327 { 328 struct hns3_nic_priv *priv = netdev_priv(ndev); 329 struct hnae3_handle *h = priv->ae_handle; 330 331 if (netif_msg_ifdown(h)) 332 netdev_info(ndev, "self test start\n"); 333 334 hns3_set_selftest_param(h, st_param); 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 } 355 356 static 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 if (netif_msg_ifdown(h)) 376 netdev_info(ndev, "self test end\n"); 377 } 378 379 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2], 380 struct ethtool_test *eth_test, u64 *data) 381 { 382 int test_index = 0; 383 u32 i; 384 385 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 386 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 387 388 if (!st_param[i][1]) 389 continue; 390 391 data[test_index] = hns3_lp_up(ndev, loop_type); 392 if (!data[test_index]) 393 data[test_index] = hns3_lp_run_test(ndev, loop_type); 394 395 hns3_lp_down(ndev, loop_type); 396 397 if (data[test_index]) 398 eth_test->flags |= ETH_TEST_FL_FAILED; 399 400 test_index++; 401 } 402 } 403 404 /** 405 * hns3_self_test - self test 406 * @ndev: net device 407 * @eth_test: test cmd 408 * @data: test result 409 */ 410 static void hns3_self_test(struct net_device *ndev, 411 struct ethtool_test *eth_test, u64 *data) 412 { 413 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 414 bool if_running = netif_running(ndev); 415 416 if (hns3_nic_resetting(ndev)) { 417 netdev_err(ndev, "dev resetting!"); 418 return; 419 } 420 421 /* Only do offline selftest, or pass by default */ 422 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 423 return; 424 425 hns3_selftest_prepare(ndev, if_running, st_param); 426 hns3_do_selftest(ndev, st_param, eth_test, data); 427 hns3_selftest_restore(ndev, if_running); 428 } 429 430 static void hns3_update_limit_promisc_mode(struct net_device *netdev, 431 bool enable) 432 { 433 struct hnae3_handle *handle = hns3_get_handle(netdev); 434 435 if (enable) 436 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 437 else 438 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 439 440 hns3_request_update_promisc_mode(handle); 441 } 442 443 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 444 { "limit_promisc", hns3_update_limit_promisc_mode } 445 }; 446 447 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 448 { 449 struct hnae3_handle *h = hns3_get_handle(netdev); 450 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 451 452 if (!ops->get_sset_count) 453 return -EOPNOTSUPP; 454 455 switch (stringset) { 456 case ETH_SS_STATS: 457 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 458 ops->get_sset_count(h, stringset)); 459 460 case ETH_SS_TEST: 461 return ops->get_sset_count(h, stringset); 462 463 case ETH_SS_PRIV_FLAGS: 464 return HNAE3_PFLAG_MAX; 465 466 default: 467 return -EOPNOTSUPP; 468 } 469 } 470 471 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 472 u32 stat_count, u32 num_tqps, const char *prefix) 473 { 474 #define MAX_PREFIX_SIZE (6 + 4) 475 u32 size_left; 476 u32 i, j; 477 u32 n1; 478 479 for (i = 0; i < num_tqps; i++) { 480 for (j = 0; j < stat_count; j++) { 481 data[ETH_GSTRING_LEN - 1] = '\0'; 482 483 /* first, prepend the prefix string */ 484 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_", 485 prefix, i); 486 size_left = (ETH_GSTRING_LEN - 1) - n1; 487 488 /* now, concatenate the stats string to it */ 489 strncat(data, stats[j].stats_string, size_left); 490 data += ETH_GSTRING_LEN; 491 } 492 } 493 494 return data; 495 } 496 497 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 498 { 499 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 500 const char tx_prefix[] = "txq"; 501 const char rx_prefix[] = "rxq"; 502 503 /* get strings for Tx */ 504 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 505 kinfo->num_tqps, tx_prefix); 506 507 /* get strings for Rx */ 508 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 509 kinfo->num_tqps, rx_prefix); 510 511 return data; 512 } 513 514 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 515 { 516 struct hnae3_handle *h = hns3_get_handle(netdev); 517 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 518 char *buff = (char *)data; 519 int i; 520 521 if (!ops->get_strings) 522 return; 523 524 switch (stringset) { 525 case ETH_SS_STATS: 526 buff = hns3_get_strings_tqps(h, buff); 527 ops->get_strings(h, stringset, (u8 *)buff); 528 break; 529 case ETH_SS_TEST: 530 ops->get_strings(h, stringset, data); 531 break; 532 case ETH_SS_PRIV_FLAGS: 533 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { 534 snprintf(buff, ETH_GSTRING_LEN, "%s", 535 hns3_priv_flags[i].name); 536 buff += ETH_GSTRING_LEN; 537 } 538 break; 539 default: 540 break; 541 } 542 } 543 544 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 545 { 546 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 547 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 548 struct hns3_enet_ring *ring; 549 u8 *stat; 550 int i, j; 551 552 /* get stats for Tx */ 553 for (i = 0; i < kinfo->num_tqps; i++) { 554 ring = &nic_priv->ring[i]; 555 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 556 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 557 *data++ = *(u64 *)stat; 558 } 559 } 560 561 /* get stats for Rx */ 562 for (i = 0; i < kinfo->num_tqps; i++) { 563 ring = &nic_priv->ring[i + kinfo->num_tqps]; 564 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 565 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 566 *data++ = *(u64 *)stat; 567 } 568 } 569 570 return data; 571 } 572 573 /* hns3_get_stats - get detail statistics. 574 * @netdev: net device 575 * @stats: statistics info. 576 * @data: statistics data. 577 */ 578 static void hns3_get_stats(struct net_device *netdev, 579 struct ethtool_stats *stats, u64 *data) 580 { 581 struct hnae3_handle *h = hns3_get_handle(netdev); 582 u64 *p = data; 583 584 if (hns3_nic_resetting(netdev)) { 585 netdev_err(netdev, "dev resetting, could not get stats\n"); 586 return; 587 } 588 589 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 590 netdev_err(netdev, "could not get any statistics\n"); 591 return; 592 } 593 594 h->ae_algo->ops->update_stats(h, &netdev->stats); 595 596 /* get per-queue stats */ 597 p = hns3_get_stats_tqps(h, p); 598 599 /* get MAC & other misc hardware stats */ 600 h->ae_algo->ops->get_stats(h, p); 601 } 602 603 static void hns3_get_drvinfo(struct net_device *netdev, 604 struct ethtool_drvinfo *drvinfo) 605 { 606 struct hns3_nic_priv *priv = netdev_priv(netdev); 607 struct hnae3_handle *h = priv->ae_handle; 608 u32 fw_version; 609 610 if (!h->ae_algo->ops->get_fw_version) { 611 netdev_err(netdev, "could not get fw version!\n"); 612 return; 613 } 614 615 strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev), 616 sizeof(drvinfo->driver)); 617 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 618 619 strncpy(drvinfo->bus_info, pci_name(h->pdev), 620 sizeof(drvinfo->bus_info)); 621 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 622 623 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 624 625 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 626 "%lu.%lu.%lu.%lu", 627 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 628 HNAE3_FW_VERSION_BYTE3_SHIFT), 629 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 630 HNAE3_FW_VERSION_BYTE2_SHIFT), 631 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 632 HNAE3_FW_VERSION_BYTE1_SHIFT), 633 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 634 HNAE3_FW_VERSION_BYTE0_SHIFT)); 635 } 636 637 static u32 hns3_get_link(struct net_device *netdev) 638 { 639 struct hnae3_handle *h = hns3_get_handle(netdev); 640 641 if (h->ae_algo->ops->get_status) 642 return h->ae_algo->ops->get_status(h); 643 else 644 return 0; 645 } 646 647 static void hns3_get_ringparam(struct net_device *netdev, 648 struct ethtool_ringparam *param, 649 struct kernel_ethtool_ringparam *kernel_param, 650 struct netlink_ext_ack *extack) 651 { 652 struct hns3_nic_priv *priv = netdev_priv(netdev); 653 struct hnae3_handle *h = priv->ae_handle; 654 int rx_queue_index = h->kinfo.num_tqps; 655 656 if (hns3_nic_resetting(netdev) || !priv->ring) { 657 netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n"); 658 return; 659 } 660 661 param->tx_max_pending = HNS3_RING_MAX_PENDING; 662 param->rx_max_pending = HNS3_RING_MAX_PENDING; 663 664 param->tx_pending = priv->ring[0].desc_num; 665 param->rx_pending = priv->ring[rx_queue_index].desc_num; 666 kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size; 667 kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, 668 &priv->state); 669 } 670 671 static void hns3_get_pauseparam(struct net_device *netdev, 672 struct ethtool_pauseparam *param) 673 { 674 struct hnae3_handle *h = hns3_get_handle(netdev); 675 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 676 677 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 678 return; 679 680 if (h->ae_algo->ops->get_pauseparam) 681 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 682 ¶m->rx_pause, ¶m->tx_pause); 683 } 684 685 static int hns3_set_pauseparam(struct net_device *netdev, 686 struct ethtool_pauseparam *param) 687 { 688 struct hnae3_handle *h = hns3_get_handle(netdev); 689 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 690 691 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 692 return -EOPNOTSUPP; 693 694 netif_dbg(h, drv, netdev, 695 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 696 param->autoneg, param->rx_pause, param->tx_pause); 697 698 if (h->ae_algo->ops->set_pauseparam) 699 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 700 param->rx_pause, 701 param->tx_pause); 702 return -EOPNOTSUPP; 703 } 704 705 static void hns3_get_ksettings(struct hnae3_handle *h, 706 struct ethtool_link_ksettings *cmd) 707 { 708 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 709 710 /* 1.auto_neg & speed & duplex from cmd */ 711 if (ops->get_ksettings_an_result) 712 ops->get_ksettings_an_result(h, 713 &cmd->base.autoneg, 714 &cmd->base.speed, 715 &cmd->base.duplex); 716 717 /* 2.get link mode */ 718 if (ops->get_link_mode) 719 ops->get_link_mode(h, 720 cmd->link_modes.supported, 721 cmd->link_modes.advertising); 722 723 /* 3.mdix_ctrl&mdix get from phy reg */ 724 if (ops->get_mdix_mode) 725 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 726 &cmd->base.eth_tp_mdix); 727 } 728 729 static int hns3_get_link_ksettings(struct net_device *netdev, 730 struct ethtool_link_ksettings *cmd) 731 { 732 struct hnae3_handle *h = hns3_get_handle(netdev); 733 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 734 const struct hnae3_ae_ops *ops; 735 u8 module_type; 736 u8 media_type; 737 u8 link_stat; 738 739 ops = h->ae_algo->ops; 740 if (ops->get_media_type) 741 ops->get_media_type(h, &media_type, &module_type); 742 else 743 return -EOPNOTSUPP; 744 745 switch (media_type) { 746 case HNAE3_MEDIA_TYPE_NONE: 747 cmd->base.port = PORT_NONE; 748 hns3_get_ksettings(h, cmd); 749 break; 750 case HNAE3_MEDIA_TYPE_FIBER: 751 if (module_type == HNAE3_MODULE_TYPE_CR) 752 cmd->base.port = PORT_DA; 753 else 754 cmd->base.port = PORT_FIBRE; 755 756 hns3_get_ksettings(h, cmd); 757 break; 758 case HNAE3_MEDIA_TYPE_BACKPLANE: 759 cmd->base.port = PORT_NONE; 760 hns3_get_ksettings(h, cmd); 761 break; 762 case HNAE3_MEDIA_TYPE_COPPER: 763 cmd->base.port = PORT_TP; 764 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 765 ops->get_phy_link_ksettings) 766 ops->get_phy_link_ksettings(h, cmd); 767 else if (!netdev->phydev) 768 hns3_get_ksettings(h, cmd); 769 else 770 phy_ethtool_ksettings_get(netdev->phydev, cmd); 771 break; 772 default: 773 774 netdev_warn(netdev, "Unknown media type"); 775 return 0; 776 } 777 778 /* mdio_support */ 779 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 780 781 link_stat = hns3_get_link(netdev); 782 if (!link_stat) { 783 cmd->base.speed = SPEED_UNKNOWN; 784 cmd->base.duplex = DUPLEX_UNKNOWN; 785 } 786 787 return 0; 788 } 789 790 static int hns3_check_ksettings_param(const struct net_device *netdev, 791 const struct ethtool_link_ksettings *cmd) 792 { 793 struct hnae3_handle *handle = hns3_get_handle(netdev); 794 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 795 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 796 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 797 u8 autoneg; 798 u32 speed; 799 u8 duplex; 800 int ret; 801 802 /* hw doesn't support use specified speed and duplex to negotiate, 803 * unnecessary to check them when autoneg on. 804 */ 805 if (cmd->base.autoneg) 806 return 0; 807 808 if (ops->get_ksettings_an_result) { 809 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 810 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 811 cmd->base.duplex == duplex) 812 return 0; 813 } 814 815 if (ops->get_media_type) 816 ops->get_media_type(handle, &media_type, &module_type); 817 818 if (cmd->base.duplex == DUPLEX_HALF && 819 media_type != HNAE3_MEDIA_TYPE_COPPER) { 820 netdev_err(netdev, 821 "only copper port supports half duplex!"); 822 return -EINVAL; 823 } 824 825 if (ops->check_port_speed) { 826 ret = ops->check_port_speed(handle, cmd->base.speed); 827 if (ret) { 828 netdev_err(netdev, "unsupported speed\n"); 829 return ret; 830 } 831 } 832 833 return 0; 834 } 835 836 static int hns3_set_link_ksettings(struct net_device *netdev, 837 const struct ethtool_link_ksettings *cmd) 838 { 839 struct hnae3_handle *handle = hns3_get_handle(netdev); 840 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 841 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 842 int ret; 843 844 /* Chip don't support this mode. */ 845 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 846 return -EINVAL; 847 848 netif_dbg(handle, drv, netdev, 849 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 850 netdev->phydev ? "phy" : "mac", 851 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 852 853 /* Only support ksettings_set for netdev with phy attached for now */ 854 if (netdev->phydev) { 855 if (cmd->base.speed == SPEED_1000 && 856 cmd->base.autoneg == AUTONEG_DISABLE) 857 return -EINVAL; 858 859 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 860 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 861 ops->set_phy_link_ksettings) { 862 return ops->set_phy_link_ksettings(handle, cmd); 863 } 864 865 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 866 return -EOPNOTSUPP; 867 868 ret = hns3_check_ksettings_param(netdev, cmd); 869 if (ret) 870 return ret; 871 872 if (ops->set_autoneg) { 873 ret = ops->set_autoneg(handle, cmd->base.autoneg); 874 if (ret) 875 return ret; 876 } 877 878 /* hw doesn't support use specified speed and duplex to negotiate, 879 * ignore them when autoneg on. 880 */ 881 if (cmd->base.autoneg) { 882 netdev_info(netdev, 883 "autoneg is on, ignore the speed and duplex\n"); 884 return 0; 885 } 886 887 if (ops->cfg_mac_speed_dup_h) 888 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 889 cmd->base.duplex); 890 891 return ret; 892 } 893 894 static u32 hns3_get_rss_key_size(struct net_device *netdev) 895 { 896 struct hnae3_handle *h = hns3_get_handle(netdev); 897 898 if (!h->ae_algo->ops->get_rss_key_size) 899 return 0; 900 901 return h->ae_algo->ops->get_rss_key_size(h); 902 } 903 904 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 905 { 906 struct hnae3_handle *h = hns3_get_handle(netdev); 907 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 908 909 return ae_dev->dev_specs.rss_ind_tbl_size; 910 } 911 912 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 913 u8 *hfunc) 914 { 915 struct hnae3_handle *h = hns3_get_handle(netdev); 916 917 if (!h->ae_algo->ops->get_rss) 918 return -EOPNOTSUPP; 919 920 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 921 } 922 923 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 924 const u8 *key, const u8 hfunc) 925 { 926 struct hnae3_handle *h = hns3_get_handle(netdev); 927 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 928 929 if (!h->ae_algo->ops->set_rss) 930 return -EOPNOTSUPP; 931 932 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 933 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 934 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 935 netdev_err(netdev, "hash func not supported\n"); 936 return -EOPNOTSUPP; 937 } 938 939 if (!indir) { 940 netdev_err(netdev, 941 "set rss failed for indir is empty\n"); 942 return -EOPNOTSUPP; 943 } 944 945 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 946 } 947 948 static int hns3_get_rxnfc(struct net_device *netdev, 949 struct ethtool_rxnfc *cmd, 950 u32 *rule_locs) 951 { 952 struct hnae3_handle *h = hns3_get_handle(netdev); 953 954 switch (cmd->cmd) { 955 case ETHTOOL_GRXRINGS: 956 cmd->data = h->kinfo.num_tqps; 957 return 0; 958 case ETHTOOL_GRXFH: 959 if (h->ae_algo->ops->get_rss_tuple) 960 return h->ae_algo->ops->get_rss_tuple(h, cmd); 961 return -EOPNOTSUPP; 962 case ETHTOOL_GRXCLSRLCNT: 963 if (h->ae_algo->ops->get_fd_rule_cnt) 964 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 965 return -EOPNOTSUPP; 966 case ETHTOOL_GRXCLSRULE: 967 if (h->ae_algo->ops->get_fd_rule_info) 968 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 969 return -EOPNOTSUPP; 970 case ETHTOOL_GRXCLSRLALL: 971 if (h->ae_algo->ops->get_fd_all_rules) 972 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 973 rule_locs); 974 return -EOPNOTSUPP; 975 default: 976 return -EOPNOTSUPP; 977 } 978 } 979 980 static const struct hns3_reset_type_map hns3_reset_type[] = { 981 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 982 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 983 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 984 }; 985 986 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 987 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 988 }; 989 990 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 991 { 992 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 993 struct hnae3_handle *h = hns3_get_handle(netdev); 994 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 995 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 996 const struct hns3_reset_type_map *rst_type_map; 997 enum ethtool_reset_flags rst_flags; 998 u32 i, size; 999 1000 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 1001 return -EBUSY; 1002 1003 if (!ops->set_default_reset_request || !ops->reset_event) 1004 return -EOPNOTSUPP; 1005 1006 if (h->flags & HNAE3_SUPPORT_VF) { 1007 rst_type_map = hns3vf_reset_type; 1008 size = ARRAY_SIZE(hns3vf_reset_type); 1009 } else { 1010 rst_type_map = hns3_reset_type; 1011 size = ARRAY_SIZE(hns3_reset_type); 1012 } 1013 1014 for (i = 0; i < size; i++) { 1015 if (rst_type_map[i].rst_flags == *flags) { 1016 rst_type = rst_type_map[i].rst_type; 1017 rst_flags = rst_type_map[i].rst_flags; 1018 break; 1019 } 1020 } 1021 1022 if (rst_type == HNAE3_NONE_RESET || 1023 (rst_type == HNAE3_IMP_RESET && 1024 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1025 return -EOPNOTSUPP; 1026 1027 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1028 1029 ops->set_default_reset_request(ae_dev, rst_type); 1030 1031 ops->reset_event(h->pdev, h); 1032 1033 *flags &= ~rst_flags; 1034 1035 return 0; 1036 } 1037 1038 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1039 u32 tx_desc_num, u32 rx_desc_num) 1040 { 1041 struct hnae3_handle *h = priv->ae_handle; 1042 int i; 1043 1044 h->kinfo.num_tx_desc = tx_desc_num; 1045 h->kinfo.num_rx_desc = rx_desc_num; 1046 1047 for (i = 0; i < h->kinfo.num_tqps; i++) { 1048 priv->ring[i].desc_num = tx_desc_num; 1049 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1050 } 1051 } 1052 1053 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1054 { 1055 struct hnae3_handle *handle = priv->ae_handle; 1056 struct hns3_enet_ring *tmp_rings; 1057 int i; 1058 1059 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1060 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1061 if (!tmp_rings) 1062 return NULL; 1063 1064 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1065 memcpy(&tmp_rings[i], &priv->ring[i], 1066 sizeof(struct hns3_enet_ring)); 1067 tmp_rings[i].skb = NULL; 1068 } 1069 1070 return tmp_rings; 1071 } 1072 1073 static int hns3_check_ringparam(struct net_device *ndev, 1074 struct ethtool_ringparam *param, 1075 struct kernel_ethtool_ringparam *kernel_param) 1076 { 1077 #define RX_BUF_LEN_2K 2048 1078 #define RX_BUF_LEN_4K 4096 1079 1080 struct hns3_nic_priv *priv = netdev_priv(ndev); 1081 1082 if (hns3_nic_resetting(ndev) || !priv->ring) { 1083 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n"); 1084 return -EBUSY; 1085 } 1086 1087 1088 if (param->rx_mini_pending || param->rx_jumbo_pending) 1089 return -EINVAL; 1090 1091 if (kernel_param->rx_buf_len != RX_BUF_LEN_2K && 1092 kernel_param->rx_buf_len != RX_BUF_LEN_4K) { 1093 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n"); 1094 return -EINVAL; 1095 } 1096 1097 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1098 param->tx_pending < HNS3_RING_MIN_PENDING || 1099 param->rx_pending > HNS3_RING_MAX_PENDING || 1100 param->rx_pending < HNS3_RING_MIN_PENDING) { 1101 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1102 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1103 return -EINVAL; 1104 } 1105 1106 return 0; 1107 } 1108 1109 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1110 { 1111 struct hns3_nic_priv *priv = netdev_priv(ndev); 1112 struct hnae3_handle *h = priv->ae_handle; 1113 int i; 1114 1115 h->kinfo.rx_buf_len = rx_buf_len; 1116 1117 for (i = 0; i < h->kinfo.num_tqps; i++) { 1118 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1119 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1120 } 1121 1122 return 0; 1123 } 1124 1125 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push) 1126 { 1127 struct hns3_nic_priv *priv = netdev_priv(netdev); 1128 struct hnae3_handle *h = hns3_get_handle(netdev); 1129 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 1130 u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1131 1132 if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push) 1133 return -EOPNOTSUPP; 1134 1135 if (tx_push == old_state) 1136 return 0; 1137 1138 netdev_dbg(netdev, "Changing tx push from %s to %s\n", 1139 old_state ? "on" : "off", tx_push ? "on" : "off"); 1140 1141 if (tx_push) 1142 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1143 else 1144 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1145 1146 return 0; 1147 } 1148 1149 static int hns3_set_ringparam(struct net_device *ndev, 1150 struct ethtool_ringparam *param, 1151 struct kernel_ethtool_ringparam *kernel_param, 1152 struct netlink_ext_ack *extack) 1153 { 1154 struct hns3_nic_priv *priv = netdev_priv(ndev); 1155 struct hnae3_handle *h = priv->ae_handle; 1156 struct hns3_enet_ring *tmp_rings; 1157 bool if_running = netif_running(ndev); 1158 u32 old_tx_desc_num, new_tx_desc_num; 1159 u32 old_rx_desc_num, new_rx_desc_num; 1160 u16 queue_num = h->kinfo.num_tqps; 1161 u32 old_rx_buf_len; 1162 int ret, i; 1163 1164 ret = hns3_check_ringparam(ndev, param, kernel_param); 1165 if (ret) 1166 return ret; 1167 1168 ret = hns3_set_tx_push(ndev, kernel_param->tx_push); 1169 if (ret) 1170 return ret; 1171 1172 /* Hardware requires that its descriptors must be multiple of eight */ 1173 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 1174 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 1175 old_tx_desc_num = priv->ring[0].desc_num; 1176 old_rx_desc_num = priv->ring[queue_num].desc_num; 1177 old_rx_buf_len = priv->ring[queue_num].buf_size; 1178 if (old_tx_desc_num == new_tx_desc_num && 1179 old_rx_desc_num == new_rx_desc_num && 1180 kernel_param->rx_buf_len == old_rx_buf_len) 1181 return 0; 1182 1183 tmp_rings = hns3_backup_ringparam(priv); 1184 if (!tmp_rings) { 1185 netdev_err(ndev, 1186 "backup ring param failed by allocating memory fail\n"); 1187 return -ENOMEM; 1188 } 1189 1190 netdev_info(ndev, 1191 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %d to %d\n", 1192 old_tx_desc_num, old_rx_desc_num, 1193 new_tx_desc_num, new_rx_desc_num, 1194 old_rx_buf_len, kernel_param->rx_buf_len); 1195 1196 if (if_running) 1197 ndev->netdev_ops->ndo_stop(ndev); 1198 1199 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1200 hns3_change_rx_buf_len(ndev, kernel_param->rx_buf_len); 1201 ret = hns3_init_all_ring(priv); 1202 if (ret) { 1203 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1204 ret); 1205 1206 hns3_change_rx_buf_len(ndev, old_rx_buf_len); 1207 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1208 old_rx_desc_num); 1209 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1210 memcpy(&priv->ring[i], &tmp_rings[i], 1211 sizeof(struct hns3_enet_ring)); 1212 } else { 1213 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1214 hns3_fini_ring(&tmp_rings[i]); 1215 } 1216 1217 kfree(tmp_rings); 1218 1219 if (if_running) 1220 ret = ndev->netdev_ops->ndo_open(ndev); 1221 1222 return ret; 1223 } 1224 1225 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1226 { 1227 struct hnae3_handle *h = hns3_get_handle(netdev); 1228 1229 switch (cmd->cmd) { 1230 case ETHTOOL_SRXFH: 1231 if (h->ae_algo->ops->set_rss_tuple) 1232 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1233 return -EOPNOTSUPP; 1234 case ETHTOOL_SRXCLSRLINS: 1235 if (h->ae_algo->ops->add_fd_entry) 1236 return h->ae_algo->ops->add_fd_entry(h, cmd); 1237 return -EOPNOTSUPP; 1238 case ETHTOOL_SRXCLSRLDEL: 1239 if (h->ae_algo->ops->del_fd_entry) 1240 return h->ae_algo->ops->del_fd_entry(h, cmd); 1241 return -EOPNOTSUPP; 1242 default: 1243 return -EOPNOTSUPP; 1244 } 1245 } 1246 1247 static int hns3_nway_reset(struct net_device *netdev) 1248 { 1249 struct hnae3_handle *handle = hns3_get_handle(netdev); 1250 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1251 struct phy_device *phy = netdev->phydev; 1252 int autoneg; 1253 1254 if (!netif_running(netdev)) 1255 return 0; 1256 1257 if (hns3_nic_resetting(netdev)) { 1258 netdev_err(netdev, "dev resetting!"); 1259 return -EBUSY; 1260 } 1261 1262 if (!ops->get_autoneg || !ops->restart_autoneg) 1263 return -EOPNOTSUPP; 1264 1265 autoneg = ops->get_autoneg(handle); 1266 if (autoneg != AUTONEG_ENABLE) { 1267 netdev_err(netdev, 1268 "Autoneg is off, don't support to restart it\n"); 1269 return -EINVAL; 1270 } 1271 1272 netif_dbg(handle, drv, netdev, 1273 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1274 1275 if (phy) 1276 return genphy_restart_aneg(phy); 1277 1278 return ops->restart_autoneg(handle); 1279 } 1280 1281 static void hns3_get_channels(struct net_device *netdev, 1282 struct ethtool_channels *ch) 1283 { 1284 struct hnae3_handle *h = hns3_get_handle(netdev); 1285 1286 if (h->ae_algo->ops->get_channels) 1287 h->ae_algo->ops->get_channels(h, ch); 1288 } 1289 1290 static int hns3_get_coalesce(struct net_device *netdev, 1291 struct ethtool_coalesce *cmd, 1292 struct kernel_ethtool_coalesce *kernel_coal, 1293 struct netlink_ext_ack *extack) 1294 { 1295 struct hns3_nic_priv *priv = netdev_priv(netdev); 1296 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1297 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1298 struct hnae3_handle *h = priv->ae_handle; 1299 1300 if (hns3_nic_resetting(netdev)) 1301 return -EBUSY; 1302 1303 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1304 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1305 1306 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1307 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1308 1309 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1310 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1311 1312 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1313 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1314 1315 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1316 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1317 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1318 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1319 1320 return 0; 1321 } 1322 1323 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1324 struct ethtool_coalesce *cmd) 1325 { 1326 struct hnae3_handle *handle = hns3_get_handle(netdev); 1327 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1328 u32 rx_gl, tx_gl; 1329 1330 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1331 netdev_err(netdev, 1332 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1333 ae_dev->dev_specs.max_int_gl); 1334 return -EINVAL; 1335 } 1336 1337 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1338 netdev_err(netdev, 1339 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1340 ae_dev->dev_specs.max_int_gl); 1341 return -EINVAL; 1342 } 1343 1344 /* device version above V3(include V3), GL uses 1us unit, 1345 * so the round down is not needed. 1346 */ 1347 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1348 return 0; 1349 1350 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1351 if (rx_gl != cmd->rx_coalesce_usecs) { 1352 netdev_info(netdev, 1353 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1354 cmd->rx_coalesce_usecs, rx_gl); 1355 } 1356 1357 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1358 if (tx_gl != cmd->tx_coalesce_usecs) { 1359 netdev_info(netdev, 1360 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1361 cmd->tx_coalesce_usecs, tx_gl); 1362 } 1363 1364 return 0; 1365 } 1366 1367 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1368 struct ethtool_coalesce *cmd) 1369 { 1370 u32 rl; 1371 1372 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1373 netdev_err(netdev, 1374 "tx_usecs_high must be same as rx_usecs_high.\n"); 1375 return -EINVAL; 1376 } 1377 1378 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1379 netdev_err(netdev, 1380 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1381 HNS3_INT_RL_MAX); 1382 return -EINVAL; 1383 } 1384 1385 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1386 if (rl != cmd->rx_coalesce_usecs_high) { 1387 netdev_info(netdev, 1388 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1389 cmd->rx_coalesce_usecs_high, rl); 1390 } 1391 1392 return 0; 1393 } 1394 1395 static int hns3_check_ql_coalesce_param(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 1401 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1402 !ae_dev->dev_specs.int_ql_max) { 1403 netdev_err(netdev, "coalesced frames is not supported\n"); 1404 return -EOPNOTSUPP; 1405 } 1406 1407 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1408 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1409 netdev_err(netdev, 1410 "invalid coalesced_frames value, range is 0-%u\n", 1411 ae_dev->dev_specs.int_ql_max); 1412 return -ERANGE; 1413 } 1414 1415 return 0; 1416 } 1417 1418 static int hns3_check_coalesce_para(struct net_device *netdev, 1419 struct ethtool_coalesce *cmd) 1420 { 1421 int ret; 1422 1423 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1424 if (ret) { 1425 netdev_err(netdev, 1426 "Check gl coalesce param fail. ret = %d\n", ret); 1427 return ret; 1428 } 1429 1430 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1431 if (ret) { 1432 netdev_err(netdev, 1433 "Check rl coalesce param fail. ret = %d\n", ret); 1434 return ret; 1435 } 1436 1437 return hns3_check_ql_coalesce_param(netdev, cmd); 1438 } 1439 1440 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1441 struct ethtool_coalesce *cmd, 1442 u32 queue) 1443 { 1444 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1445 struct hns3_nic_priv *priv = netdev_priv(netdev); 1446 struct hnae3_handle *h = priv->ae_handle; 1447 int queue_num = h->kinfo.num_tqps; 1448 1449 tx_vector = priv->ring[queue].tqp_vector; 1450 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1451 1452 tx_vector->tx_group.coal.adapt_enable = 1453 cmd->use_adaptive_tx_coalesce; 1454 rx_vector->rx_group.coal.adapt_enable = 1455 cmd->use_adaptive_rx_coalesce; 1456 1457 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1458 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1459 1460 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1461 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1462 1463 hns3_set_vector_coalesce_tx_gl(tx_vector, 1464 tx_vector->tx_group.coal.int_gl); 1465 hns3_set_vector_coalesce_rx_gl(rx_vector, 1466 rx_vector->rx_group.coal.int_gl); 1467 1468 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1469 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1470 1471 if (tx_vector->tx_group.coal.ql_enable) 1472 hns3_set_vector_coalesce_tx_ql(tx_vector, 1473 tx_vector->tx_group.coal.int_ql); 1474 if (rx_vector->rx_group.coal.ql_enable) 1475 hns3_set_vector_coalesce_rx_ql(rx_vector, 1476 rx_vector->rx_group.coal.int_ql); 1477 } 1478 1479 static int hns3_set_coalesce(struct net_device *netdev, 1480 struct ethtool_coalesce *cmd, 1481 struct kernel_ethtool_coalesce *kernel_coal, 1482 struct netlink_ext_ack *extack) 1483 { 1484 struct hnae3_handle *h = hns3_get_handle(netdev); 1485 struct hns3_nic_priv *priv = netdev_priv(netdev); 1486 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1487 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1488 u16 queue_num = h->kinfo.num_tqps; 1489 enum dim_cq_period_mode tx_mode; 1490 enum dim_cq_period_mode rx_mode; 1491 int ret; 1492 int i; 1493 1494 if (hns3_nic_resetting(netdev)) 1495 return -EBUSY; 1496 1497 ret = hns3_check_coalesce_para(netdev, cmd); 1498 if (ret) 1499 return ret; 1500 1501 h->kinfo.int_rl_setting = 1502 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1503 1504 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1505 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1506 1507 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1508 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1509 1510 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1511 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1512 1513 for (i = 0; i < queue_num; i++) 1514 hns3_set_coalesce_per_queue(netdev, cmd, i); 1515 1516 tx_mode = kernel_coal->use_cqe_mode_tx ? 1517 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1518 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1519 rx_mode = kernel_coal->use_cqe_mode_rx ? 1520 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1521 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1522 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1523 1524 return 0; 1525 } 1526 1527 static int hns3_get_regs_len(struct net_device *netdev) 1528 { 1529 struct hnae3_handle *h = hns3_get_handle(netdev); 1530 1531 if (!h->ae_algo->ops->get_regs_len) 1532 return -EOPNOTSUPP; 1533 1534 return h->ae_algo->ops->get_regs_len(h); 1535 } 1536 1537 static void hns3_get_regs(struct net_device *netdev, 1538 struct ethtool_regs *cmd, void *data) 1539 { 1540 struct hnae3_handle *h = hns3_get_handle(netdev); 1541 1542 if (!h->ae_algo->ops->get_regs) 1543 return; 1544 1545 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1546 } 1547 1548 static int hns3_set_phys_id(struct net_device *netdev, 1549 enum ethtool_phys_id_state state) 1550 { 1551 struct hnae3_handle *h = hns3_get_handle(netdev); 1552 1553 if (!h->ae_algo->ops->set_led_id) 1554 return -EOPNOTSUPP; 1555 1556 return h->ae_algo->ops->set_led_id(h, state); 1557 } 1558 1559 static u32 hns3_get_msglevel(struct net_device *netdev) 1560 { 1561 struct hnae3_handle *h = hns3_get_handle(netdev); 1562 1563 return h->msg_enable; 1564 } 1565 1566 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1567 { 1568 struct hnae3_handle *h = hns3_get_handle(netdev); 1569 1570 h->msg_enable = msg_level; 1571 } 1572 1573 /* Translate local fec value into ethtool value. */ 1574 static unsigned int loc_to_eth_fec(u8 loc_fec) 1575 { 1576 u32 eth_fec = 0; 1577 1578 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1579 eth_fec |= ETHTOOL_FEC_AUTO; 1580 if (loc_fec & BIT(HNAE3_FEC_RS)) 1581 eth_fec |= ETHTOOL_FEC_RS; 1582 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1583 eth_fec |= ETHTOOL_FEC_BASER; 1584 1585 /* if nothing is set, then FEC is off */ 1586 if (!eth_fec) 1587 eth_fec = ETHTOOL_FEC_OFF; 1588 1589 return eth_fec; 1590 } 1591 1592 /* Translate ethtool fec value into local value. */ 1593 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1594 { 1595 u32 loc_fec = 0; 1596 1597 if (eth_fec & ETHTOOL_FEC_OFF) 1598 return loc_fec; 1599 1600 if (eth_fec & ETHTOOL_FEC_AUTO) 1601 loc_fec |= BIT(HNAE3_FEC_AUTO); 1602 if (eth_fec & ETHTOOL_FEC_RS) 1603 loc_fec |= BIT(HNAE3_FEC_RS); 1604 if (eth_fec & ETHTOOL_FEC_BASER) 1605 loc_fec |= BIT(HNAE3_FEC_BASER); 1606 1607 return loc_fec; 1608 } 1609 1610 static int hns3_get_fecparam(struct net_device *netdev, 1611 struct ethtool_fecparam *fec) 1612 { 1613 struct hnae3_handle *handle = hns3_get_handle(netdev); 1614 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1615 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1616 u8 fec_ability; 1617 u8 fec_mode; 1618 1619 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1620 return -EOPNOTSUPP; 1621 1622 if (!ops->get_fec) 1623 return -EOPNOTSUPP; 1624 1625 ops->get_fec(handle, &fec_ability, &fec_mode); 1626 1627 fec->fec = loc_to_eth_fec(fec_ability); 1628 fec->active_fec = loc_to_eth_fec(fec_mode); 1629 1630 return 0; 1631 } 1632 1633 static int hns3_set_fecparam(struct net_device *netdev, 1634 struct ethtool_fecparam *fec) 1635 { 1636 struct hnae3_handle *handle = hns3_get_handle(netdev); 1637 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1638 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1639 u32 fec_mode; 1640 1641 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1642 return -EOPNOTSUPP; 1643 1644 if (!ops->set_fec) 1645 return -EOPNOTSUPP; 1646 fec_mode = eth_to_loc_fec(fec->fec); 1647 1648 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1649 1650 return ops->set_fec(handle, fec_mode); 1651 } 1652 1653 static int hns3_get_module_info(struct net_device *netdev, 1654 struct ethtool_modinfo *modinfo) 1655 { 1656 #define HNS3_SFF_8636_V1_3 0x03 1657 1658 struct hnae3_handle *handle = hns3_get_handle(netdev); 1659 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1660 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1661 struct hns3_sfp_type sfp_type; 1662 int ret; 1663 1664 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1665 !ops->get_module_eeprom) 1666 return -EOPNOTSUPP; 1667 1668 memset(&sfp_type, 0, sizeof(sfp_type)); 1669 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1670 (u8 *)&sfp_type); 1671 if (ret) 1672 return ret; 1673 1674 switch (sfp_type.type) { 1675 case SFF8024_ID_SFP: 1676 modinfo->type = ETH_MODULE_SFF_8472; 1677 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1678 break; 1679 case SFF8024_ID_QSFP_8438: 1680 modinfo->type = ETH_MODULE_SFF_8436; 1681 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1682 break; 1683 case SFF8024_ID_QSFP_8436_8636: 1684 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1685 modinfo->type = ETH_MODULE_SFF_8436; 1686 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1687 } else { 1688 modinfo->type = ETH_MODULE_SFF_8636; 1689 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1690 } 1691 break; 1692 case SFF8024_ID_QSFP28_8636: 1693 modinfo->type = ETH_MODULE_SFF_8636; 1694 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1695 break; 1696 default: 1697 netdev_err(netdev, "Optical module unknown: %#x\n", 1698 sfp_type.type); 1699 return -EINVAL; 1700 } 1701 1702 return 0; 1703 } 1704 1705 static int hns3_get_module_eeprom(struct net_device *netdev, 1706 struct ethtool_eeprom *ee, u8 *data) 1707 { 1708 struct hnae3_handle *handle = hns3_get_handle(netdev); 1709 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1710 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1711 1712 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1713 !ops->get_module_eeprom) 1714 return -EOPNOTSUPP; 1715 1716 if (!ee->len) 1717 return -EINVAL; 1718 1719 memset(data, 0, ee->len); 1720 1721 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1722 } 1723 1724 static u32 hns3_get_priv_flags(struct net_device *netdev) 1725 { 1726 struct hnae3_handle *handle = hns3_get_handle(netdev); 1727 1728 return handle->priv_flags; 1729 } 1730 1731 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1732 { 1733 u32 i; 1734 1735 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1736 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1737 netdev_err(h->netdev, "%s is unsupported\n", 1738 hns3_priv_flags[i].name); 1739 return -EOPNOTSUPP; 1740 } 1741 1742 return 0; 1743 } 1744 1745 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1746 { 1747 struct hnae3_handle *handle = hns3_get_handle(netdev); 1748 u32 changed = pflags ^ handle->priv_flags; 1749 int ret; 1750 u32 i; 1751 1752 ret = hns3_check_priv_flags(handle, changed); 1753 if (ret) 1754 return ret; 1755 1756 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1757 if (changed & BIT(i)) { 1758 bool enable = !(handle->priv_flags & BIT(i)); 1759 1760 if (enable) 1761 handle->priv_flags |= BIT(i); 1762 else 1763 handle->priv_flags &= ~BIT(i); 1764 hns3_priv_flags[i].handler(netdev, enable); 1765 } 1766 } 1767 1768 return 0; 1769 } 1770 1771 static int hns3_get_tunable(struct net_device *netdev, 1772 const struct ethtool_tunable *tuna, 1773 void *data) 1774 { 1775 struct hns3_nic_priv *priv = netdev_priv(netdev); 1776 struct hnae3_handle *h = priv->ae_handle; 1777 int ret = 0; 1778 1779 switch (tuna->id) { 1780 case ETHTOOL_TX_COPYBREAK: 1781 /* all the tx rings have the same tx_copybreak */ 1782 *(u32 *)data = priv->tx_copybreak; 1783 break; 1784 case ETHTOOL_RX_COPYBREAK: 1785 *(u32 *)data = priv->rx_copybreak; 1786 break; 1787 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1788 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1789 break; 1790 default: 1791 ret = -EOPNOTSUPP; 1792 break; 1793 } 1794 1795 return ret; 1796 } 1797 1798 static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1799 u32 data) 1800 { 1801 struct hns3_nic_priv *priv = netdev_priv(netdev); 1802 struct hnae3_handle *h = priv->ae_handle; 1803 int ret; 1804 1805 h->kinfo.tx_spare_buf_size = data; 1806 1807 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1808 if (ret) 1809 return ret; 1810 1811 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1812 if (ret) 1813 return ret; 1814 1815 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1816 if (ret) 1817 return ret; 1818 1819 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1820 if (ret) 1821 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1822 1823 return ret; 1824 } 1825 1826 static int hns3_set_tunable(struct net_device *netdev, 1827 const struct ethtool_tunable *tuna, 1828 const void *data) 1829 { 1830 struct hns3_nic_priv *priv = netdev_priv(netdev); 1831 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1832 struct hnae3_handle *h = priv->ae_handle; 1833 int i, ret = 0; 1834 1835 if (hns3_nic_resetting(netdev) || !priv->ring) { 1836 netdev_err(netdev, "failed to set tunable value, dev resetting!"); 1837 return -EBUSY; 1838 } 1839 1840 switch (tuna->id) { 1841 case ETHTOOL_TX_COPYBREAK: 1842 priv->tx_copybreak = *(u32 *)data; 1843 1844 for (i = 0; i < h->kinfo.num_tqps; i++) 1845 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1846 1847 break; 1848 case ETHTOOL_RX_COPYBREAK: 1849 priv->rx_copybreak = *(u32 *)data; 1850 1851 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1852 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1853 1854 break; 1855 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1856 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1857 new_tx_spare_buf_size = *(u32 *)data; 1858 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 1859 if (ret || 1860 (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) { 1861 int ret1; 1862 1863 netdev_warn(netdev, 1864 "change tx spare buf size fail, revert to old value\n"); 1865 ret1 = hns3_set_tx_spare_buf_size(netdev, 1866 old_tx_spare_buf_size); 1867 if (ret1) { 1868 netdev_err(netdev, 1869 "revert to old tx spare buf size fail\n"); 1870 return ret1; 1871 } 1872 1873 return ret; 1874 } 1875 break; 1876 default: 1877 ret = -EOPNOTSUPP; 1878 break; 1879 } 1880 1881 return ret; 1882 } 1883 1884 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1885 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1886 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1887 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1888 ETHTOOL_COALESCE_MAX_FRAMES | \ 1889 ETHTOOL_COALESCE_USE_CQE) 1890 1891 #define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \ 1892 ETHTOOL_RING_USE_TX_PUSH) 1893 1894 static int hns3_get_ts_info(struct net_device *netdev, 1895 struct ethtool_ts_info *info) 1896 { 1897 struct hnae3_handle *handle = hns3_get_handle(netdev); 1898 1899 if (handle->ae_algo->ops->get_ts_info) 1900 return handle->ae_algo->ops->get_ts_info(handle, info); 1901 1902 return ethtool_op_get_ts_info(netdev, info); 1903 } 1904 1905 static const struct hns3_ethtool_link_ext_state_mapping 1906 hns3_link_ext_state_map[] = { 1907 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1908 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 1909 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1910 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 1911 1912 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1913 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 1914 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1915 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 1916 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1917 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 1918 1919 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1920 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 1921 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1922 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 1923 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1924 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 1925 1926 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1927 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 1928 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1929 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 1930 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1931 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 1932 1933 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 1934 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 1935 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 1936 1937 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 1938 }; 1939 1940 static int hns3_get_link_ext_state(struct net_device *netdev, 1941 struct ethtool_link_ext_state_info *info) 1942 { 1943 const struct hns3_ethtool_link_ext_state_mapping *map; 1944 struct hnae3_handle *h = hns3_get_handle(netdev); 1945 u32 status_code, i; 1946 int ret; 1947 1948 if (netif_carrier_ok(netdev)) 1949 return -ENODATA; 1950 1951 if (!h->ae_algo->ops->get_link_diagnosis_info) 1952 return -EOPNOTSUPP; 1953 1954 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 1955 if (ret) 1956 return ret; 1957 1958 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 1959 map = &hns3_link_ext_state_map[i]; 1960 if (map->status_code == status_code) { 1961 info->link_ext_state = map->link_ext_state; 1962 info->__link_ext_substate = map->link_ext_substate; 1963 return 0; 1964 } 1965 } 1966 1967 return -ENODATA; 1968 } 1969 1970 static const struct ethtool_ops hns3vf_ethtool_ops = { 1971 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1972 .supported_ring_params = HNS3_ETHTOOL_RING, 1973 .get_drvinfo = hns3_get_drvinfo, 1974 .get_ringparam = hns3_get_ringparam, 1975 .set_ringparam = hns3_set_ringparam, 1976 .get_strings = hns3_get_strings, 1977 .get_ethtool_stats = hns3_get_stats, 1978 .get_sset_count = hns3_get_sset_count, 1979 .get_rxnfc = hns3_get_rxnfc, 1980 .set_rxnfc = hns3_set_rxnfc, 1981 .get_rxfh_key_size = hns3_get_rss_key_size, 1982 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1983 .get_rxfh = hns3_get_rss, 1984 .set_rxfh = hns3_set_rss, 1985 .get_link_ksettings = hns3_get_link_ksettings, 1986 .get_channels = hns3_get_channels, 1987 .set_channels = hns3_set_channels, 1988 .get_coalesce = hns3_get_coalesce, 1989 .set_coalesce = hns3_set_coalesce, 1990 .get_regs_len = hns3_get_regs_len, 1991 .get_regs = hns3_get_regs, 1992 .get_link = hns3_get_link, 1993 .get_msglevel = hns3_get_msglevel, 1994 .set_msglevel = hns3_set_msglevel, 1995 .get_priv_flags = hns3_get_priv_flags, 1996 .set_priv_flags = hns3_set_priv_flags, 1997 .get_tunable = hns3_get_tunable, 1998 .set_tunable = hns3_set_tunable, 1999 .reset = hns3_set_reset, 2000 }; 2001 2002 static const struct ethtool_ops hns3_ethtool_ops = { 2003 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2004 .supported_ring_params = HNS3_ETHTOOL_RING, 2005 .self_test = hns3_self_test, 2006 .get_drvinfo = hns3_get_drvinfo, 2007 .get_link = hns3_get_link, 2008 .get_ringparam = hns3_get_ringparam, 2009 .set_ringparam = hns3_set_ringparam, 2010 .get_pauseparam = hns3_get_pauseparam, 2011 .set_pauseparam = hns3_set_pauseparam, 2012 .get_strings = hns3_get_strings, 2013 .get_ethtool_stats = hns3_get_stats, 2014 .get_sset_count = hns3_get_sset_count, 2015 .get_rxnfc = hns3_get_rxnfc, 2016 .set_rxnfc = hns3_set_rxnfc, 2017 .get_rxfh_key_size = hns3_get_rss_key_size, 2018 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2019 .get_rxfh = hns3_get_rss, 2020 .set_rxfh = hns3_set_rss, 2021 .get_link_ksettings = hns3_get_link_ksettings, 2022 .set_link_ksettings = hns3_set_link_ksettings, 2023 .nway_reset = hns3_nway_reset, 2024 .get_channels = hns3_get_channels, 2025 .set_channels = hns3_set_channels, 2026 .get_coalesce = hns3_get_coalesce, 2027 .set_coalesce = hns3_set_coalesce, 2028 .get_regs_len = hns3_get_regs_len, 2029 .get_regs = hns3_get_regs, 2030 .set_phys_id = hns3_set_phys_id, 2031 .get_msglevel = hns3_get_msglevel, 2032 .set_msglevel = hns3_set_msglevel, 2033 .get_fecparam = hns3_get_fecparam, 2034 .set_fecparam = hns3_set_fecparam, 2035 .get_module_info = hns3_get_module_info, 2036 .get_module_eeprom = hns3_get_module_eeprom, 2037 .get_priv_flags = hns3_get_priv_flags, 2038 .set_priv_flags = hns3_set_priv_flags, 2039 .get_ts_info = hns3_get_ts_info, 2040 .get_tunable = hns3_get_tunable, 2041 .set_tunable = hns3_set_tunable, 2042 .reset = hns3_set_reset, 2043 .get_link_ext_state = hns3_get_link_ext_state, 2044 }; 2045 2046 void hns3_ethtool_set_ops(struct net_device *netdev) 2047 { 2048 struct hnae3_handle *h = hns3_get_handle(netdev); 2049 2050 if (h->flags & HNAE3_SUPPORT_VF) 2051 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2052 else 2053 netdev->ethtool_ops = &hns3_ethtool_ops; 2054 } 2055