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 bool 1110 hns3_is_ringparam_changed(struct net_device *ndev, 1111 struct ethtool_ringparam *param, 1112 struct kernel_ethtool_ringparam *kernel_param, 1113 struct hns3_ring_param *old_ringparam, 1114 struct hns3_ring_param *new_ringparam) 1115 { 1116 struct hns3_nic_priv *priv = netdev_priv(ndev); 1117 struct hnae3_handle *h = priv->ae_handle; 1118 u16 queue_num = h->kinfo.num_tqps; 1119 1120 new_ringparam->tx_desc_num = ALIGN(param->tx_pending, 1121 HNS3_RING_BD_MULTIPLE); 1122 new_ringparam->rx_desc_num = ALIGN(param->rx_pending, 1123 HNS3_RING_BD_MULTIPLE); 1124 old_ringparam->tx_desc_num = priv->ring[0].desc_num; 1125 old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num; 1126 old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size; 1127 new_ringparam->rx_buf_len = kernel_param->rx_buf_len; 1128 1129 if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num && 1130 old_ringparam->rx_desc_num == new_ringparam->rx_desc_num && 1131 old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) { 1132 netdev_info(ndev, "descriptor number and rx buffer length not changed\n"); 1133 return false; 1134 } 1135 1136 return true; 1137 } 1138 1139 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1140 { 1141 struct hns3_nic_priv *priv = netdev_priv(ndev); 1142 struct hnae3_handle *h = priv->ae_handle; 1143 int i; 1144 1145 h->kinfo.rx_buf_len = rx_buf_len; 1146 1147 for (i = 0; i < h->kinfo.num_tqps; i++) { 1148 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1149 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1150 } 1151 1152 return 0; 1153 } 1154 1155 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push) 1156 { 1157 struct hns3_nic_priv *priv = netdev_priv(netdev); 1158 struct hnae3_handle *h = hns3_get_handle(netdev); 1159 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 1160 u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1161 1162 if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push) 1163 return -EOPNOTSUPP; 1164 1165 if (tx_push == old_state) 1166 return 0; 1167 1168 netdev_dbg(netdev, "Changing tx push from %s to %s\n", 1169 old_state ? "on" : "off", tx_push ? "on" : "off"); 1170 1171 if (tx_push) 1172 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1173 else 1174 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1175 1176 return 0; 1177 } 1178 1179 static int hns3_set_ringparam(struct net_device *ndev, 1180 struct ethtool_ringparam *param, 1181 struct kernel_ethtool_ringparam *kernel_param, 1182 struct netlink_ext_ack *extack) 1183 { 1184 struct hns3_ring_param old_ringparam, new_ringparam; 1185 struct hns3_nic_priv *priv = netdev_priv(ndev); 1186 struct hnae3_handle *h = priv->ae_handle; 1187 struct hns3_enet_ring *tmp_rings; 1188 bool if_running = netif_running(ndev); 1189 int ret, i; 1190 1191 ret = hns3_check_ringparam(ndev, param, kernel_param); 1192 if (ret) 1193 return ret; 1194 1195 ret = hns3_set_tx_push(ndev, kernel_param->tx_push); 1196 if (ret) 1197 return ret; 1198 1199 if (!hns3_is_ringparam_changed(ndev, param, kernel_param, 1200 &old_ringparam, &new_ringparam)) 1201 return 0; 1202 1203 tmp_rings = hns3_backup_ringparam(priv); 1204 if (!tmp_rings) { 1205 netdev_err(ndev, "backup ring param failed by allocating memory fail\n"); 1206 return -ENOMEM; 1207 } 1208 1209 netdev_info(ndev, 1210 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n", 1211 old_ringparam.tx_desc_num, old_ringparam.rx_desc_num, 1212 new_ringparam.tx_desc_num, new_ringparam.rx_desc_num, 1213 old_ringparam.rx_buf_len, new_ringparam.rx_buf_len); 1214 1215 if (if_running) 1216 ndev->netdev_ops->ndo_stop(ndev); 1217 1218 hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num, 1219 new_ringparam.rx_desc_num); 1220 hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len); 1221 ret = hns3_init_all_ring(priv); 1222 if (ret) { 1223 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1224 ret); 1225 1226 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len); 1227 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num, 1228 old_ringparam.rx_desc_num); 1229 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1230 memcpy(&priv->ring[i], &tmp_rings[i], 1231 sizeof(struct hns3_enet_ring)); 1232 } else { 1233 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1234 hns3_fini_ring(&tmp_rings[i]); 1235 } 1236 1237 kfree(tmp_rings); 1238 1239 if (if_running) 1240 ret = ndev->netdev_ops->ndo_open(ndev); 1241 1242 return ret; 1243 } 1244 1245 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1246 { 1247 struct hnae3_handle *h = hns3_get_handle(netdev); 1248 1249 switch (cmd->cmd) { 1250 case ETHTOOL_SRXFH: 1251 if (h->ae_algo->ops->set_rss_tuple) 1252 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1253 return -EOPNOTSUPP; 1254 case ETHTOOL_SRXCLSRLINS: 1255 if (h->ae_algo->ops->add_fd_entry) 1256 return h->ae_algo->ops->add_fd_entry(h, cmd); 1257 return -EOPNOTSUPP; 1258 case ETHTOOL_SRXCLSRLDEL: 1259 if (h->ae_algo->ops->del_fd_entry) 1260 return h->ae_algo->ops->del_fd_entry(h, cmd); 1261 return -EOPNOTSUPP; 1262 default: 1263 return -EOPNOTSUPP; 1264 } 1265 } 1266 1267 static int hns3_nway_reset(struct net_device *netdev) 1268 { 1269 struct hnae3_handle *handle = hns3_get_handle(netdev); 1270 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1271 struct phy_device *phy = netdev->phydev; 1272 int autoneg; 1273 1274 if (!netif_running(netdev)) 1275 return 0; 1276 1277 if (hns3_nic_resetting(netdev)) { 1278 netdev_err(netdev, "dev resetting!"); 1279 return -EBUSY; 1280 } 1281 1282 if (!ops->get_autoneg || !ops->restart_autoneg) 1283 return -EOPNOTSUPP; 1284 1285 autoneg = ops->get_autoneg(handle); 1286 if (autoneg != AUTONEG_ENABLE) { 1287 netdev_err(netdev, 1288 "Autoneg is off, don't support to restart it\n"); 1289 return -EINVAL; 1290 } 1291 1292 netif_dbg(handle, drv, netdev, 1293 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1294 1295 if (phy) 1296 return genphy_restart_aneg(phy); 1297 1298 return ops->restart_autoneg(handle); 1299 } 1300 1301 static void hns3_get_channels(struct net_device *netdev, 1302 struct ethtool_channels *ch) 1303 { 1304 struct hnae3_handle *h = hns3_get_handle(netdev); 1305 1306 if (h->ae_algo->ops->get_channels) 1307 h->ae_algo->ops->get_channels(h, ch); 1308 } 1309 1310 static int hns3_get_coalesce(struct net_device *netdev, 1311 struct ethtool_coalesce *cmd, 1312 struct kernel_ethtool_coalesce *kernel_coal, 1313 struct netlink_ext_ack *extack) 1314 { 1315 struct hns3_nic_priv *priv = netdev_priv(netdev); 1316 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1317 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1318 struct hnae3_handle *h = priv->ae_handle; 1319 1320 if (hns3_nic_resetting(netdev)) 1321 return -EBUSY; 1322 1323 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1324 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1325 1326 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1327 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1328 1329 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1330 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1331 1332 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1333 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1334 1335 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1336 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1337 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1338 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1339 1340 return 0; 1341 } 1342 1343 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1344 struct ethtool_coalesce *cmd) 1345 { 1346 struct hnae3_handle *handle = hns3_get_handle(netdev); 1347 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1348 u32 rx_gl, tx_gl; 1349 1350 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1351 netdev_err(netdev, 1352 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1353 ae_dev->dev_specs.max_int_gl); 1354 return -EINVAL; 1355 } 1356 1357 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1358 netdev_err(netdev, 1359 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1360 ae_dev->dev_specs.max_int_gl); 1361 return -EINVAL; 1362 } 1363 1364 /* device version above V3(include V3), GL uses 1us unit, 1365 * so the round down is not needed. 1366 */ 1367 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1368 return 0; 1369 1370 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1371 if (rx_gl != cmd->rx_coalesce_usecs) { 1372 netdev_info(netdev, 1373 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1374 cmd->rx_coalesce_usecs, rx_gl); 1375 } 1376 1377 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1378 if (tx_gl != cmd->tx_coalesce_usecs) { 1379 netdev_info(netdev, 1380 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1381 cmd->tx_coalesce_usecs, tx_gl); 1382 } 1383 1384 return 0; 1385 } 1386 1387 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1388 struct ethtool_coalesce *cmd) 1389 { 1390 u32 rl; 1391 1392 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1393 netdev_err(netdev, 1394 "tx_usecs_high must be same as rx_usecs_high.\n"); 1395 return -EINVAL; 1396 } 1397 1398 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1399 netdev_err(netdev, 1400 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1401 HNS3_INT_RL_MAX); 1402 return -EINVAL; 1403 } 1404 1405 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1406 if (rl != cmd->rx_coalesce_usecs_high) { 1407 netdev_info(netdev, 1408 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1409 cmd->rx_coalesce_usecs_high, rl); 1410 } 1411 1412 return 0; 1413 } 1414 1415 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1416 struct ethtool_coalesce *cmd) 1417 { 1418 struct hnae3_handle *handle = hns3_get_handle(netdev); 1419 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1420 1421 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1422 !ae_dev->dev_specs.int_ql_max) { 1423 netdev_err(netdev, "coalesced frames is not supported\n"); 1424 return -EOPNOTSUPP; 1425 } 1426 1427 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1428 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1429 netdev_err(netdev, 1430 "invalid coalesced_frames value, range is 0-%u\n", 1431 ae_dev->dev_specs.int_ql_max); 1432 return -ERANGE; 1433 } 1434 1435 return 0; 1436 } 1437 1438 static int 1439 hns3_check_cqe_coalesce_param(struct net_device *netdev, 1440 struct kernel_ethtool_coalesce *kernel_coal) 1441 { 1442 struct hnae3_handle *handle = hns3_get_handle(netdev); 1443 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1444 1445 if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) && 1446 !hnae3_ae_dev_cq_supported(ae_dev)) { 1447 netdev_err(netdev, "coalesced cqe mode is not supported\n"); 1448 return -EOPNOTSUPP; 1449 } 1450 1451 return 0; 1452 } 1453 1454 static int 1455 hns3_check_coalesce_para(struct net_device *netdev, 1456 struct ethtool_coalesce *cmd, 1457 struct kernel_ethtool_coalesce *kernel_coal) 1458 { 1459 int ret; 1460 1461 ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal); 1462 if (ret) 1463 return ret; 1464 1465 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1466 if (ret) { 1467 netdev_err(netdev, 1468 "Check gl coalesce param fail. ret = %d\n", ret); 1469 return ret; 1470 } 1471 1472 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1473 if (ret) { 1474 netdev_err(netdev, 1475 "Check rl coalesce param fail. ret = %d\n", ret); 1476 return ret; 1477 } 1478 1479 return hns3_check_ql_coalesce_param(netdev, cmd); 1480 } 1481 1482 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1483 struct ethtool_coalesce *cmd, 1484 u32 queue) 1485 { 1486 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1487 struct hns3_nic_priv *priv = netdev_priv(netdev); 1488 struct hnae3_handle *h = priv->ae_handle; 1489 int queue_num = h->kinfo.num_tqps; 1490 1491 tx_vector = priv->ring[queue].tqp_vector; 1492 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1493 1494 tx_vector->tx_group.coal.adapt_enable = 1495 cmd->use_adaptive_tx_coalesce; 1496 rx_vector->rx_group.coal.adapt_enable = 1497 cmd->use_adaptive_rx_coalesce; 1498 1499 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1500 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1501 1502 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1503 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1504 1505 hns3_set_vector_coalesce_tx_gl(tx_vector, 1506 tx_vector->tx_group.coal.int_gl); 1507 hns3_set_vector_coalesce_rx_gl(rx_vector, 1508 rx_vector->rx_group.coal.int_gl); 1509 1510 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1511 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1512 1513 if (tx_vector->tx_group.coal.ql_enable) 1514 hns3_set_vector_coalesce_tx_ql(tx_vector, 1515 tx_vector->tx_group.coal.int_ql); 1516 if (rx_vector->rx_group.coal.ql_enable) 1517 hns3_set_vector_coalesce_rx_ql(rx_vector, 1518 rx_vector->rx_group.coal.int_ql); 1519 } 1520 1521 static int hns3_set_coalesce(struct net_device *netdev, 1522 struct ethtool_coalesce *cmd, 1523 struct kernel_ethtool_coalesce *kernel_coal, 1524 struct netlink_ext_ack *extack) 1525 { 1526 struct hnae3_handle *h = hns3_get_handle(netdev); 1527 struct hns3_nic_priv *priv = netdev_priv(netdev); 1528 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1529 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1530 u16 queue_num = h->kinfo.num_tqps; 1531 enum dim_cq_period_mode tx_mode; 1532 enum dim_cq_period_mode rx_mode; 1533 int ret; 1534 int i; 1535 1536 if (hns3_nic_resetting(netdev)) 1537 return -EBUSY; 1538 1539 ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal); 1540 if (ret) 1541 return ret; 1542 1543 h->kinfo.int_rl_setting = 1544 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1545 1546 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1547 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1548 1549 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1550 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1551 1552 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1553 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1554 1555 for (i = 0; i < queue_num; i++) 1556 hns3_set_coalesce_per_queue(netdev, cmd, i); 1557 1558 tx_mode = kernel_coal->use_cqe_mode_tx ? 1559 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1560 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1561 rx_mode = kernel_coal->use_cqe_mode_rx ? 1562 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1563 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1564 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1565 1566 return 0; 1567 } 1568 1569 static int hns3_get_regs_len(struct net_device *netdev) 1570 { 1571 struct hnae3_handle *h = hns3_get_handle(netdev); 1572 1573 if (!h->ae_algo->ops->get_regs_len) 1574 return -EOPNOTSUPP; 1575 1576 return h->ae_algo->ops->get_regs_len(h); 1577 } 1578 1579 static void hns3_get_regs(struct net_device *netdev, 1580 struct ethtool_regs *cmd, void *data) 1581 { 1582 struct hnae3_handle *h = hns3_get_handle(netdev); 1583 1584 if (!h->ae_algo->ops->get_regs) 1585 return; 1586 1587 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1588 } 1589 1590 static int hns3_set_phys_id(struct net_device *netdev, 1591 enum ethtool_phys_id_state state) 1592 { 1593 struct hnae3_handle *h = hns3_get_handle(netdev); 1594 1595 if (!h->ae_algo->ops->set_led_id) 1596 return -EOPNOTSUPP; 1597 1598 return h->ae_algo->ops->set_led_id(h, state); 1599 } 1600 1601 static u32 hns3_get_msglevel(struct net_device *netdev) 1602 { 1603 struct hnae3_handle *h = hns3_get_handle(netdev); 1604 1605 return h->msg_enable; 1606 } 1607 1608 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1609 { 1610 struct hnae3_handle *h = hns3_get_handle(netdev); 1611 1612 h->msg_enable = msg_level; 1613 } 1614 1615 /* Translate local fec value into ethtool value. */ 1616 static unsigned int loc_to_eth_fec(u8 loc_fec) 1617 { 1618 u32 eth_fec = 0; 1619 1620 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1621 eth_fec |= ETHTOOL_FEC_AUTO; 1622 if (loc_fec & BIT(HNAE3_FEC_RS)) 1623 eth_fec |= ETHTOOL_FEC_RS; 1624 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1625 eth_fec |= ETHTOOL_FEC_BASER; 1626 1627 /* if nothing is set, then FEC is off */ 1628 if (!eth_fec) 1629 eth_fec = ETHTOOL_FEC_OFF; 1630 1631 return eth_fec; 1632 } 1633 1634 /* Translate ethtool fec value into local value. */ 1635 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1636 { 1637 u32 loc_fec = 0; 1638 1639 if (eth_fec & ETHTOOL_FEC_OFF) 1640 return loc_fec; 1641 1642 if (eth_fec & ETHTOOL_FEC_AUTO) 1643 loc_fec |= BIT(HNAE3_FEC_AUTO); 1644 if (eth_fec & ETHTOOL_FEC_RS) 1645 loc_fec |= BIT(HNAE3_FEC_RS); 1646 if (eth_fec & ETHTOOL_FEC_BASER) 1647 loc_fec |= BIT(HNAE3_FEC_BASER); 1648 1649 return loc_fec; 1650 } 1651 1652 static int hns3_get_fecparam(struct net_device *netdev, 1653 struct ethtool_fecparam *fec) 1654 { 1655 struct hnae3_handle *handle = hns3_get_handle(netdev); 1656 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1657 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1658 u8 fec_ability; 1659 u8 fec_mode; 1660 1661 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1662 return -EOPNOTSUPP; 1663 1664 if (!ops->get_fec) 1665 return -EOPNOTSUPP; 1666 1667 ops->get_fec(handle, &fec_ability, &fec_mode); 1668 1669 fec->fec = loc_to_eth_fec(fec_ability); 1670 fec->active_fec = loc_to_eth_fec(fec_mode); 1671 1672 return 0; 1673 } 1674 1675 static int hns3_set_fecparam(struct net_device *netdev, 1676 struct ethtool_fecparam *fec) 1677 { 1678 struct hnae3_handle *handle = hns3_get_handle(netdev); 1679 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1680 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1681 u32 fec_mode; 1682 1683 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1684 return -EOPNOTSUPP; 1685 1686 if (!ops->set_fec) 1687 return -EOPNOTSUPP; 1688 fec_mode = eth_to_loc_fec(fec->fec); 1689 1690 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1691 1692 return ops->set_fec(handle, fec_mode); 1693 } 1694 1695 static int hns3_get_module_info(struct net_device *netdev, 1696 struct ethtool_modinfo *modinfo) 1697 { 1698 #define HNS3_SFF_8636_V1_3 0x03 1699 1700 struct hnae3_handle *handle = hns3_get_handle(netdev); 1701 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1702 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1703 struct hns3_sfp_type sfp_type; 1704 int ret; 1705 1706 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1707 !ops->get_module_eeprom) 1708 return -EOPNOTSUPP; 1709 1710 memset(&sfp_type, 0, sizeof(sfp_type)); 1711 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1712 (u8 *)&sfp_type); 1713 if (ret) 1714 return ret; 1715 1716 switch (sfp_type.type) { 1717 case SFF8024_ID_SFP: 1718 modinfo->type = ETH_MODULE_SFF_8472; 1719 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1720 break; 1721 case SFF8024_ID_QSFP_8438: 1722 modinfo->type = ETH_MODULE_SFF_8436; 1723 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1724 break; 1725 case SFF8024_ID_QSFP_8436_8636: 1726 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1727 modinfo->type = ETH_MODULE_SFF_8436; 1728 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1729 } else { 1730 modinfo->type = ETH_MODULE_SFF_8636; 1731 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1732 } 1733 break; 1734 case SFF8024_ID_QSFP28_8636: 1735 modinfo->type = ETH_MODULE_SFF_8636; 1736 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1737 break; 1738 default: 1739 netdev_err(netdev, "Optical module unknown: %#x\n", 1740 sfp_type.type); 1741 return -EINVAL; 1742 } 1743 1744 return 0; 1745 } 1746 1747 static int hns3_get_module_eeprom(struct net_device *netdev, 1748 struct ethtool_eeprom *ee, u8 *data) 1749 { 1750 struct hnae3_handle *handle = hns3_get_handle(netdev); 1751 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1752 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1753 1754 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1755 !ops->get_module_eeprom) 1756 return -EOPNOTSUPP; 1757 1758 if (!ee->len) 1759 return -EINVAL; 1760 1761 memset(data, 0, ee->len); 1762 1763 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1764 } 1765 1766 static u32 hns3_get_priv_flags(struct net_device *netdev) 1767 { 1768 struct hnae3_handle *handle = hns3_get_handle(netdev); 1769 1770 return handle->priv_flags; 1771 } 1772 1773 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1774 { 1775 u32 i; 1776 1777 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1778 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1779 netdev_err(h->netdev, "%s is unsupported\n", 1780 hns3_priv_flags[i].name); 1781 return -EOPNOTSUPP; 1782 } 1783 1784 return 0; 1785 } 1786 1787 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1788 { 1789 struct hnae3_handle *handle = hns3_get_handle(netdev); 1790 u32 changed = pflags ^ handle->priv_flags; 1791 int ret; 1792 u32 i; 1793 1794 ret = hns3_check_priv_flags(handle, changed); 1795 if (ret) 1796 return ret; 1797 1798 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1799 if (changed & BIT(i)) { 1800 bool enable = !(handle->priv_flags & BIT(i)); 1801 1802 if (enable) 1803 handle->priv_flags |= BIT(i); 1804 else 1805 handle->priv_flags &= ~BIT(i); 1806 hns3_priv_flags[i].handler(netdev, enable); 1807 } 1808 } 1809 1810 return 0; 1811 } 1812 1813 static int hns3_get_tunable(struct net_device *netdev, 1814 const struct ethtool_tunable *tuna, 1815 void *data) 1816 { 1817 struct hns3_nic_priv *priv = netdev_priv(netdev); 1818 struct hnae3_handle *h = priv->ae_handle; 1819 int ret = 0; 1820 1821 switch (tuna->id) { 1822 case ETHTOOL_TX_COPYBREAK: 1823 /* all the tx rings have the same tx_copybreak */ 1824 *(u32 *)data = priv->tx_copybreak; 1825 break; 1826 case ETHTOOL_RX_COPYBREAK: 1827 *(u32 *)data = priv->rx_copybreak; 1828 break; 1829 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1830 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1831 break; 1832 default: 1833 ret = -EOPNOTSUPP; 1834 break; 1835 } 1836 1837 return ret; 1838 } 1839 1840 static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1841 u32 data) 1842 { 1843 struct hns3_nic_priv *priv = netdev_priv(netdev); 1844 struct hnae3_handle *h = priv->ae_handle; 1845 int ret; 1846 1847 h->kinfo.tx_spare_buf_size = data; 1848 1849 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1850 if (ret) 1851 return ret; 1852 1853 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1854 if (ret) 1855 return ret; 1856 1857 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1858 if (ret) 1859 return ret; 1860 1861 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1862 if (ret) 1863 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1864 1865 return ret; 1866 } 1867 1868 static int hns3_set_tunable(struct net_device *netdev, 1869 const struct ethtool_tunable *tuna, 1870 const void *data) 1871 { 1872 struct hns3_nic_priv *priv = netdev_priv(netdev); 1873 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1874 struct hnae3_handle *h = priv->ae_handle; 1875 int i, ret = 0; 1876 1877 if (hns3_nic_resetting(netdev) || !priv->ring) { 1878 netdev_err(netdev, "failed to set tunable value, dev resetting!"); 1879 return -EBUSY; 1880 } 1881 1882 switch (tuna->id) { 1883 case ETHTOOL_TX_COPYBREAK: 1884 priv->tx_copybreak = *(u32 *)data; 1885 1886 for (i = 0; i < h->kinfo.num_tqps; i++) 1887 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1888 1889 break; 1890 case ETHTOOL_RX_COPYBREAK: 1891 priv->rx_copybreak = *(u32 *)data; 1892 1893 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1894 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1895 1896 break; 1897 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1898 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1899 new_tx_spare_buf_size = *(u32 *)data; 1900 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n", 1901 old_tx_spare_buf_size, new_tx_spare_buf_size); 1902 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 1903 if (ret || 1904 (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) { 1905 int ret1; 1906 1907 netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n"); 1908 ret1 = hns3_set_tx_spare_buf_size(netdev, 1909 old_tx_spare_buf_size); 1910 if (ret1) { 1911 netdev_err(netdev, "revert to old tx spare buf size fail\n"); 1912 return ret1; 1913 } 1914 1915 return ret; 1916 } 1917 1918 if (!priv->ring->tx_spare) 1919 netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n"); 1920 else 1921 netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n", 1922 priv->ring->tx_spare->len); 1923 1924 break; 1925 default: 1926 ret = -EOPNOTSUPP; 1927 break; 1928 } 1929 1930 return ret; 1931 } 1932 1933 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1934 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1935 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1936 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1937 ETHTOOL_COALESCE_MAX_FRAMES | \ 1938 ETHTOOL_COALESCE_USE_CQE) 1939 1940 #define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \ 1941 ETHTOOL_RING_USE_TX_PUSH) 1942 1943 static int hns3_get_ts_info(struct net_device *netdev, 1944 struct ethtool_ts_info *info) 1945 { 1946 struct hnae3_handle *handle = hns3_get_handle(netdev); 1947 1948 if (handle->ae_algo->ops->get_ts_info) 1949 return handle->ae_algo->ops->get_ts_info(handle, info); 1950 1951 return ethtool_op_get_ts_info(netdev, info); 1952 } 1953 1954 static const struct hns3_ethtool_link_ext_state_mapping 1955 hns3_link_ext_state_map[] = { 1956 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1957 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 1958 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 1959 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 1960 1961 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1962 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 1963 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1964 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 1965 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 1966 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 1967 1968 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1969 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 1970 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1971 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 1972 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 1973 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 1974 1975 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1976 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 1977 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1978 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 1979 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 1980 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 1981 1982 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 1983 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 1984 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 1985 1986 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 1987 }; 1988 1989 static int hns3_get_link_ext_state(struct net_device *netdev, 1990 struct ethtool_link_ext_state_info *info) 1991 { 1992 const struct hns3_ethtool_link_ext_state_mapping *map; 1993 struct hnae3_handle *h = hns3_get_handle(netdev); 1994 u32 status_code, i; 1995 int ret; 1996 1997 if (netif_carrier_ok(netdev)) 1998 return -ENODATA; 1999 2000 if (!h->ae_algo->ops->get_link_diagnosis_info) 2001 return -EOPNOTSUPP; 2002 2003 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 2004 if (ret) 2005 return ret; 2006 2007 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 2008 map = &hns3_link_ext_state_map[i]; 2009 if (map->status_code == status_code) { 2010 info->link_ext_state = map->link_ext_state; 2011 info->__link_ext_substate = map->link_ext_substate; 2012 return 0; 2013 } 2014 } 2015 2016 return -ENODATA; 2017 } 2018 2019 static const struct ethtool_ops hns3vf_ethtool_ops = { 2020 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2021 .supported_ring_params = HNS3_ETHTOOL_RING, 2022 .get_drvinfo = hns3_get_drvinfo, 2023 .get_ringparam = hns3_get_ringparam, 2024 .set_ringparam = hns3_set_ringparam, 2025 .get_strings = hns3_get_strings, 2026 .get_ethtool_stats = hns3_get_stats, 2027 .get_sset_count = hns3_get_sset_count, 2028 .get_rxnfc = hns3_get_rxnfc, 2029 .set_rxnfc = hns3_set_rxnfc, 2030 .get_rxfh_key_size = hns3_get_rss_key_size, 2031 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2032 .get_rxfh = hns3_get_rss, 2033 .set_rxfh = hns3_set_rss, 2034 .get_link_ksettings = hns3_get_link_ksettings, 2035 .get_channels = hns3_get_channels, 2036 .set_channels = hns3_set_channels, 2037 .get_coalesce = hns3_get_coalesce, 2038 .set_coalesce = hns3_set_coalesce, 2039 .get_regs_len = hns3_get_regs_len, 2040 .get_regs = hns3_get_regs, 2041 .get_link = hns3_get_link, 2042 .get_msglevel = hns3_get_msglevel, 2043 .set_msglevel = hns3_set_msglevel, 2044 .get_priv_flags = hns3_get_priv_flags, 2045 .set_priv_flags = hns3_set_priv_flags, 2046 .get_tunable = hns3_get_tunable, 2047 .set_tunable = hns3_set_tunable, 2048 .reset = hns3_set_reset, 2049 }; 2050 2051 static const struct ethtool_ops hns3_ethtool_ops = { 2052 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2053 .supported_ring_params = HNS3_ETHTOOL_RING, 2054 .self_test = hns3_self_test, 2055 .get_drvinfo = hns3_get_drvinfo, 2056 .get_link = hns3_get_link, 2057 .get_ringparam = hns3_get_ringparam, 2058 .set_ringparam = hns3_set_ringparam, 2059 .get_pauseparam = hns3_get_pauseparam, 2060 .set_pauseparam = hns3_set_pauseparam, 2061 .get_strings = hns3_get_strings, 2062 .get_ethtool_stats = hns3_get_stats, 2063 .get_sset_count = hns3_get_sset_count, 2064 .get_rxnfc = hns3_get_rxnfc, 2065 .set_rxnfc = hns3_set_rxnfc, 2066 .get_rxfh_key_size = hns3_get_rss_key_size, 2067 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2068 .get_rxfh = hns3_get_rss, 2069 .set_rxfh = hns3_set_rss, 2070 .get_link_ksettings = hns3_get_link_ksettings, 2071 .set_link_ksettings = hns3_set_link_ksettings, 2072 .nway_reset = hns3_nway_reset, 2073 .get_channels = hns3_get_channels, 2074 .set_channels = hns3_set_channels, 2075 .get_coalesce = hns3_get_coalesce, 2076 .set_coalesce = hns3_set_coalesce, 2077 .get_regs_len = hns3_get_regs_len, 2078 .get_regs = hns3_get_regs, 2079 .set_phys_id = hns3_set_phys_id, 2080 .get_msglevel = hns3_get_msglevel, 2081 .set_msglevel = hns3_set_msglevel, 2082 .get_fecparam = hns3_get_fecparam, 2083 .set_fecparam = hns3_set_fecparam, 2084 .get_module_info = hns3_get_module_info, 2085 .get_module_eeprom = hns3_get_module_eeprom, 2086 .get_priv_flags = hns3_get_priv_flags, 2087 .set_priv_flags = hns3_set_priv_flags, 2088 .get_ts_info = hns3_get_ts_info, 2089 .get_tunable = hns3_get_tunable, 2090 .set_tunable = hns3_set_tunable, 2091 .reset = hns3_set_reset, 2092 .get_link_ext_state = hns3_get_link_ext_state, 2093 }; 2094 2095 void hns3_ethtool_set_ops(struct net_device *netdev) 2096 { 2097 struct hnae3_handle *h = hns3_get_handle(netdev); 2098 2099 if (h->flags & HNAE3_SUPPORT_VF) 2100 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2101 else 2102 netdev->ethtool_ops = &hns3_ethtool_ops; 2103 } 2104