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/string_choices.h> 7 #include <linux/phy.h> 8 #include <linux/sfp.h> 9 10 #include "hns3_enet.h" 11 #include "hns3_ethtool.h" 12 13 /* tqp related stats */ 14 #define HNS3_TQP_STAT(_string, _member) { \ 15 .stats_string = _string, \ 16 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 17 offsetof(struct ring_stats, _member), \ 18 } 19 20 static const struct hns3_stats hns3_txq_stats[] = { 21 /* Tx per-queue statistics */ 22 HNS3_TQP_STAT("dropped", sw_err_cnt), 23 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 24 HNS3_TQP_STAT("packets", tx_pkts), 25 HNS3_TQP_STAT("bytes", tx_bytes), 26 HNS3_TQP_STAT("more", tx_more), 27 HNS3_TQP_STAT("push", tx_push), 28 HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell), 29 HNS3_TQP_STAT("wake", restart_queue), 30 HNS3_TQP_STAT("busy", tx_busy), 31 HNS3_TQP_STAT("copy", tx_copy), 32 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 33 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 34 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 35 HNS3_TQP_STAT("tso_err", tx_tso_err), 36 HNS3_TQP_STAT("over_max_recursion", over_max_recursion), 37 HNS3_TQP_STAT("hw_limitation", hw_limitation), 38 HNS3_TQP_STAT("bounce", tx_bounce), 39 HNS3_TQP_STAT("spare_full", tx_spare_full), 40 HNS3_TQP_STAT("copy_bits_err", copy_bits_err), 41 HNS3_TQP_STAT("sgl", tx_sgl), 42 HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err), 43 HNS3_TQP_STAT("map_sg_err", map_sg_err), 44 }; 45 46 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 47 48 static const struct hns3_stats hns3_rxq_stats[] = { 49 /* Rx per-queue statistics */ 50 HNS3_TQP_STAT("dropped", sw_err_cnt), 51 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 52 HNS3_TQP_STAT("packets", rx_pkts), 53 HNS3_TQP_STAT("bytes", rx_bytes), 54 HNS3_TQP_STAT("errors", rx_err_cnt), 55 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 56 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 57 HNS3_TQP_STAT("err_bd_num", err_bd_num), 58 HNS3_TQP_STAT("l2_err", l2_err), 59 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 60 HNS3_TQP_STAT("csum_complete", csum_complete), 61 HNS3_TQP_STAT("multicast", rx_multicast), 62 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 63 HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err), 64 HNS3_TQP_STAT("frag_alloc", frag_alloc), 65 }; 66 67 #define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags) 68 69 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 70 71 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 72 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 #define HNS3_NIC_LB_TEST_UNEXECUTED 4 83 84 static int hns3_get_sset_count(struct net_device *netdev, int stringset); 85 86 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 87 { 88 struct hnae3_handle *h = hns3_get_handle(ndev); 89 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 90 int ret; 91 92 if (!h->ae_algo->ops->set_loopback || 93 !h->ae_algo->ops->set_promisc_mode) 94 return -EOPNOTSUPP; 95 96 switch (loop) { 97 case HNAE3_LOOP_SERIAL_SERDES: 98 case HNAE3_LOOP_PARALLEL_SERDES: 99 case HNAE3_LOOP_APP: 100 case HNAE3_LOOP_PHY: 101 case HNAE3_LOOP_EXTERNAL: 102 ret = h->ae_algo->ops->set_loopback(h, loop, en); 103 break; 104 default: 105 ret = -ENOTSUPP; 106 break; 107 } 108 109 if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 110 return ret; 111 112 if (en) 113 h->ae_algo->ops->set_promisc_mode(h, true, true); 114 else 115 /* recover promisc mode before loopback test */ 116 hns3_request_update_promisc_mode(h); 117 118 return ret; 119 } 120 121 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 122 { 123 struct hnae3_handle *h = hns3_get_handle(ndev); 124 int ret; 125 126 ret = hns3_nic_reset_all_ring(h); 127 if (ret) 128 return ret; 129 130 ret = hns3_lp_setup(ndev, loop_mode, true); 131 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 132 133 return ret; 134 } 135 136 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 137 { 138 int ret; 139 140 ret = hns3_lp_setup(ndev, loop_mode, false); 141 if (ret) { 142 netdev_err(ndev, "lb_setup return error: %d\n", ret); 143 return ret; 144 } 145 146 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 147 148 return 0; 149 } 150 151 static void hns3_lp_setup_skb(struct sk_buff *skb) 152 { 153 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 154 155 struct net_device *ndev = skb->dev; 156 struct hnae3_handle *handle; 157 struct hnae3_ae_dev *ae_dev; 158 unsigned char *packet; 159 struct ethhdr *ethh; 160 unsigned int i; 161 162 skb_reserve(skb, NET_IP_ALIGN); 163 ethh = skb_put(skb, sizeof(struct ethhdr)); 164 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 165 166 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 167 168 /* The dst mac addr of loopback packet is the same as the host' 169 * mac addr, the SSU component may loop back the packet to host 170 * before the packet reaches mac or serdes, which will defect 171 * the purpose of mac or serdes selftest. 172 */ 173 handle = hns3_get_handle(ndev); 174 ae_dev = hns3_get_ae_dev(handle); 175 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 176 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 177 eth_zero_addr(ethh->h_source); 178 ethh->h_proto = htons(ETH_P_ARP); 179 skb_reset_mac_header(skb); 180 181 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 182 packet[i] = (unsigned char)(i & 0xff); 183 } 184 185 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 186 struct sk_buff *skb) 187 { 188 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 189 unsigned char *packet = skb->data; 190 u32 len = skb_headlen(skb); 191 u32 i; 192 193 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 194 195 for (i = 0; i < len; i++) 196 if (packet[i] != (unsigned char)(i & 0xff)) 197 break; 198 199 /* The packet is correctly received */ 200 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 201 tqp_vector->rx_group.total_packets++; 202 else 203 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 204 skb->data, len, true); 205 206 dev_kfree_skb_any(skb); 207 } 208 209 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 210 { 211 struct hnae3_handle *h = priv->ae_handle; 212 struct hnae3_knic_private_info *kinfo; 213 u32 i, rcv_good_pkt_total = 0; 214 215 kinfo = &h->kinfo; 216 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 217 struct hns3_enet_ring *ring = &priv->ring[i]; 218 struct hns3_enet_ring_group *rx_group; 219 u64 pre_rx_pkt; 220 221 rx_group = &ring->tqp_vector->rx_group; 222 pre_rx_pkt = rx_group->total_packets; 223 224 preempt_disable(); 225 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 226 preempt_enable(); 227 228 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 229 rx_group->total_packets = pre_rx_pkt; 230 } 231 return rcv_good_pkt_total; 232 } 233 234 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 235 u32 end_ringid) 236 { 237 u32 i; 238 239 for (i = start_ringid; i <= end_ringid; i++) { 240 struct hns3_enet_ring *ring = &priv->ring[i]; 241 242 hns3_clean_tx_ring(ring, 0); 243 } 244 } 245 246 /** 247 * hns3_lp_run_test - run loopback test 248 * @ndev: net device 249 * @mode: loopback type 250 * 251 * Return: %0 for success or a NIC loopback test error code on failure 252 */ 253 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 254 { 255 struct hns3_nic_priv *priv = netdev_priv(ndev); 256 struct sk_buff *skb; 257 u32 i, good_cnt; 258 int ret_val = 0; 259 260 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 261 GFP_KERNEL); 262 if (!skb) 263 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 264 265 skb->dev = ndev; 266 hns3_lp_setup_skb(skb); 267 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 268 269 good_cnt = 0; 270 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 271 netdev_tx_t tx_ret; 272 273 skb_get(skb); 274 tx_ret = hns3_nic_net_xmit(skb, ndev); 275 if (tx_ret == NETDEV_TX_OK) { 276 good_cnt++; 277 } else { 278 kfree_skb(skb); 279 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 280 tx_ret); 281 } 282 } 283 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 284 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 285 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 286 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 287 goto out; 288 } 289 290 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 291 msleep(200); 292 293 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 294 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 295 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 296 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 297 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 298 } 299 300 out: 301 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 302 HNS3_NIC_LB_TEST_RING_ID); 303 304 kfree_skb(skb); 305 return ret_val; 306 } 307 308 static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2]) 309 { 310 st_param[HNAE3_LOOP_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL; 311 st_param[HNAE3_LOOP_EXTERNAL][1] = 312 h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK; 313 314 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 315 st_param[HNAE3_LOOP_APP][1] = 316 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 317 318 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 319 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 320 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 321 322 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 323 HNAE3_LOOP_PARALLEL_SERDES; 324 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 325 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 326 327 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 328 st_param[HNAE3_LOOP_PHY][1] = 329 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 330 } 331 332 static void hns3_selftest_prepare(struct net_device *ndev, bool if_running) 333 { 334 struct hns3_nic_priv *priv = netdev_priv(ndev); 335 struct hnae3_handle *h = priv->ae_handle; 336 337 if (if_running) 338 ndev->netdev_ops->ndo_stop(ndev); 339 340 #if IS_ENABLED(CONFIG_VLAN_8021Q) 341 /* Disable the vlan filter for selftest does not support it */ 342 if (h->ae_algo->ops->enable_vlan_filter && 343 ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) 344 h->ae_algo->ops->enable_vlan_filter(h, false); 345 #endif 346 347 /* Tell firmware to stop mac autoneg before loopback test start, 348 * otherwise loopback test may be failed when the port is still 349 * negotiating. 350 */ 351 if (h->ae_algo->ops->halt_autoneg) 352 h->ae_algo->ops->halt_autoneg(h, true); 353 354 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 355 } 356 357 static void hns3_selftest_restore(struct net_device *ndev, bool if_running) 358 { 359 struct hns3_nic_priv *priv = netdev_priv(ndev); 360 struct hnae3_handle *h = priv->ae_handle; 361 362 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 363 364 if (h->ae_algo->ops->halt_autoneg) 365 h->ae_algo->ops->halt_autoneg(h, false); 366 367 #if IS_ENABLED(CONFIG_VLAN_8021Q) 368 if (h->ae_algo->ops->enable_vlan_filter && 369 ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) 370 h->ae_algo->ops->enable_vlan_filter(h, true); 371 #endif 372 373 if (if_running) 374 ndev->netdev_ops->ndo_open(ndev); 375 } 376 377 static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2], 378 struct ethtool_test *eth_test, u64 *data) 379 { 380 int test_index = HNAE3_LOOP_APP; 381 u32 i; 382 383 for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; i++) { 384 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 385 386 if (!st_param[i][1]) 387 continue; 388 389 data[test_index] = hns3_lp_up(ndev, loop_type); 390 if (!data[test_index]) 391 data[test_index] = hns3_lp_run_test(ndev, loop_type); 392 393 hns3_lp_down(ndev, loop_type); 394 395 if (data[test_index]) 396 eth_test->flags |= ETH_TEST_FL_FAILED; 397 398 test_index++; 399 } 400 } 401 402 static void hns3_do_external_lb(struct net_device *ndev, 403 struct ethtool_test *eth_test, u64 *data) 404 { 405 data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL); 406 if (!data[HNAE3_LOOP_EXTERNAL]) 407 data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL); 408 hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL); 409 410 if (data[HNAE3_LOOP_EXTERNAL]) 411 eth_test->flags |= ETH_TEST_FL_FAILED; 412 413 eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 414 } 415 416 /** 417 * hns3_self_test - self test 418 * @ndev: net device 419 * @eth_test: test cmd 420 * @data: test result 421 */ 422 static void hns3_self_test(struct net_device *ndev, 423 struct ethtool_test *eth_test, u64 *data) 424 { 425 int cnt = hns3_get_sset_count(ndev, ETH_SS_TEST); 426 struct hns3_nic_priv *priv = netdev_priv(ndev); 427 struct hnae3_handle *h = priv->ae_handle; 428 int st_param[HNAE3_LOOP_NONE][2]; 429 bool if_running = netif_running(ndev); 430 int i; 431 432 /* initialize the loopback test result, avoid marking an unexcuted 433 * loopback test as PASS. 434 */ 435 for (i = 0; i < cnt; i++) 436 data[i] = HNS3_NIC_LB_TEST_UNEXECUTED; 437 438 if (hns3_nic_resetting(ndev)) { 439 netdev_err(ndev, "dev resetting!\n"); 440 goto failure; 441 } 442 443 if (!(eth_test->flags & ETH_TEST_FL_OFFLINE)) 444 goto failure; 445 446 if (netif_msg_ifdown(h)) 447 netdev_info(ndev, "self test start\n"); 448 449 hns3_set_selftest_param(h, st_param); 450 451 /* external loopback test requires that the link is up and the duplex is 452 * full, do external test first to reduce the whole test time 453 */ 454 if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) { 455 hns3_external_lb_prepare(ndev, if_running); 456 hns3_do_external_lb(ndev, eth_test, data); 457 hns3_external_lb_restore(ndev, if_running); 458 } 459 460 hns3_selftest_prepare(ndev, if_running); 461 hns3_do_selftest(ndev, st_param, eth_test, data); 462 hns3_selftest_restore(ndev, if_running); 463 464 if (netif_msg_ifdown(h)) 465 netdev_info(ndev, "self test end\n"); 466 return; 467 468 failure: 469 eth_test->flags |= ETH_TEST_FL_FAILED; 470 } 471 472 static void hns3_update_limit_promisc_mode(struct net_device *netdev, 473 bool enable) 474 { 475 struct hnae3_handle *handle = hns3_get_handle(netdev); 476 477 if (enable) 478 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 479 else 480 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 481 482 hns3_request_update_promisc_mode(handle); 483 } 484 485 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 486 { "limit_promisc", hns3_update_limit_promisc_mode } 487 }; 488 489 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 490 { 491 struct hnae3_handle *h = hns3_get_handle(netdev); 492 const struct hnae3_ae_ops *ops = hns3_get_ops(h); 493 494 if (!ops->get_sset_count) 495 return -EOPNOTSUPP; 496 497 switch (stringset) { 498 case ETH_SS_STATS: 499 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 500 ops->get_sset_count(h, stringset)); 501 502 case ETH_SS_TEST: 503 return ops->get_sset_count(h, stringset); 504 505 case ETH_SS_PRIV_FLAGS: 506 return HNAE3_PFLAG_MAX; 507 508 default: 509 return -EOPNOTSUPP; 510 } 511 } 512 513 static void hns3_update_strings(u8 **data, const struct hns3_stats *stats, 514 u32 stat_count, u32 num_tqps, 515 const char *prefix) 516 { 517 u32 i, j; 518 519 for (i = 0; i < num_tqps; i++) 520 for (j = 0; j < stat_count; j++) 521 ethtool_sprintf(data, "%s%u_%s", prefix, i, 522 stats[j].stats_string); 523 } 524 525 static void hns3_get_strings_tqps(struct hnae3_handle *handle, u8 **data) 526 { 527 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 528 const char tx_prefix[] = "txq"; 529 const char rx_prefix[] = "rxq"; 530 531 /* get strings for Tx */ 532 hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 533 kinfo->num_tqps, tx_prefix); 534 535 /* get strings for Rx */ 536 hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 537 kinfo->num_tqps, rx_prefix); 538 } 539 540 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 541 { 542 struct hnae3_handle *h = hns3_get_handle(netdev); 543 const struct hnae3_ae_ops *ops = hns3_get_ops(h); 544 u32 i; 545 546 if (!ops->get_strings) 547 return; 548 549 switch (stringset) { 550 case ETH_SS_STATS: 551 hns3_get_strings_tqps(h, &data); 552 ops->get_strings(h, stringset, &data); 553 break; 554 case ETH_SS_TEST: 555 ops->get_strings(h, stringset, &data); 556 break; 557 case ETH_SS_PRIV_FLAGS: 558 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) 559 ethtool_puts(&data, hns3_priv_flags[i].name); 560 break; 561 default: 562 break; 563 } 564 } 565 566 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 567 { 568 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 569 struct hns3_nic_priv *nic_priv = handle->priv; 570 struct hns3_enet_ring *ring; 571 u8 *stat; 572 u32 i, j; 573 574 /* get stats for Tx */ 575 for (i = 0; i < kinfo->num_tqps; i++) { 576 ring = &nic_priv->ring[i]; 577 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 578 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 579 *data++ = *(u64 *)stat; 580 } 581 } 582 583 /* get stats for Rx */ 584 for (i = 0; i < kinfo->num_tqps; i++) { 585 ring = &nic_priv->ring[i + kinfo->num_tqps]; 586 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 587 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 588 *data++ = *(u64 *)stat; 589 } 590 } 591 592 return data; 593 } 594 595 /* hns3_get_stats - get detail statistics. 596 * @netdev: net device 597 * @stats: statistics info. 598 * @data: statistics data. 599 */ 600 static void hns3_get_stats(struct net_device *netdev, 601 struct ethtool_stats *stats, u64 *data) 602 { 603 struct hnae3_handle *h = hns3_get_handle(netdev); 604 u64 *p = data; 605 606 if (hns3_nic_resetting(netdev)) { 607 netdev_err(netdev, "dev resetting, could not get stats\n"); 608 return; 609 } 610 611 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 612 netdev_err(netdev, "could not get any statistics\n"); 613 return; 614 } 615 616 h->ae_algo->ops->update_stats(h); 617 618 /* get per-queue stats */ 619 p = hns3_get_stats_tqps(h, p); 620 621 /* get MAC & other misc hardware stats */ 622 h->ae_algo->ops->get_stats(h, p); 623 } 624 625 static void hns3_get_drvinfo(struct net_device *netdev, 626 struct ethtool_drvinfo *drvinfo) 627 { 628 struct hns3_nic_priv *priv = netdev_priv(netdev); 629 struct hnae3_handle *h = priv->ae_handle; 630 u32 fw_version; 631 632 if (!h->ae_algo->ops->get_fw_version) { 633 netdev_err(netdev, "could not get fw version!\n"); 634 return; 635 } 636 637 strscpy(drvinfo->driver, dev_driver_string(&h->pdev->dev), 638 sizeof(drvinfo->driver)); 639 640 strscpy(drvinfo->bus_info, pci_name(h->pdev), 641 sizeof(drvinfo->bus_info)); 642 643 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 644 645 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 646 "%lu.%lu.%lu.%lu", 647 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 648 HNAE3_FW_VERSION_BYTE3_SHIFT), 649 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 650 HNAE3_FW_VERSION_BYTE2_SHIFT), 651 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 652 HNAE3_FW_VERSION_BYTE1_SHIFT), 653 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 654 HNAE3_FW_VERSION_BYTE0_SHIFT)); 655 } 656 657 static u32 hns3_get_link(struct net_device *netdev) 658 { 659 struct hnae3_handle *h = hns3_get_handle(netdev); 660 661 if (h->ae_algo->ops->get_status) 662 return h->ae_algo->ops->get_status(h); 663 else 664 return 0; 665 } 666 667 static void hns3_get_ringparam(struct net_device *netdev, 668 struct ethtool_ringparam *param, 669 struct kernel_ethtool_ringparam *kernel_param, 670 struct netlink_ext_ack *extack) 671 { 672 struct hns3_nic_priv *priv = netdev_priv(netdev); 673 struct hnae3_handle *h = priv->ae_handle; 674 int rx_queue_index = h->kinfo.num_tqps; 675 676 if (hns3_nic_resetting(netdev) || !priv->ring) { 677 netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n"); 678 return; 679 } 680 681 param->tx_max_pending = HNS3_RING_MAX_PENDING; 682 param->rx_max_pending = HNS3_RING_MAX_PENDING; 683 684 param->tx_pending = priv->ring[0].desc_num; 685 param->rx_pending = priv->ring[rx_queue_index].desc_num; 686 kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size; 687 kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, 688 &priv->state); 689 } 690 691 static void hns3_get_pauseparam(struct net_device *netdev, 692 struct ethtool_pauseparam *param) 693 { 694 struct hnae3_handle *h = hns3_get_handle(netdev); 695 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 696 697 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 698 return; 699 700 if (h->ae_algo->ops->get_pauseparam) 701 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 702 ¶m->rx_pause, ¶m->tx_pause); 703 } 704 705 static int hns3_set_pauseparam(struct net_device *netdev, 706 struct ethtool_pauseparam *param) 707 { 708 struct hnae3_handle *h = hns3_get_handle(netdev); 709 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 710 711 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 712 return -EOPNOTSUPP; 713 714 netif_dbg(h, drv, netdev, 715 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 716 param->autoneg, param->rx_pause, param->tx_pause); 717 718 if (h->ae_algo->ops->set_pauseparam) 719 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 720 param->rx_pause, 721 param->tx_pause); 722 return -EOPNOTSUPP; 723 } 724 725 static void hns3_get_ksettings(struct hnae3_handle *h, 726 struct ethtool_link_ksettings *cmd) 727 { 728 const struct hnae3_ae_ops *ops = hns3_get_ops(h); 729 730 /* 1.auto_neg & speed & duplex from cmd */ 731 if (ops->get_ksettings_an_result) 732 ops->get_ksettings_an_result(h, 733 &cmd->base.autoneg, 734 &cmd->base.speed, 735 &cmd->base.duplex, 736 &cmd->lanes); 737 738 /* 2.get link mode */ 739 if (ops->get_link_mode) 740 ops->get_link_mode(h, 741 cmd->link_modes.supported, 742 cmd->link_modes.advertising); 743 744 /* 3.mdix_ctrl&mdix get from phy reg */ 745 if (ops->get_mdix_mode) 746 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 747 &cmd->base.eth_tp_mdix); 748 } 749 750 static int hns3_get_link_ksettings(struct net_device *netdev, 751 struct ethtool_link_ksettings *cmd) 752 { 753 struct hnae3_handle *h = hns3_get_handle(netdev); 754 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 755 const struct hnae3_ae_ops *ops; 756 u8 module_type; 757 u8 media_type; 758 u8 link_stat; 759 760 ops = h->ae_algo->ops; 761 if (ops->get_media_type) 762 ops->get_media_type(h, &media_type, &module_type); 763 else 764 return -EOPNOTSUPP; 765 766 switch (media_type) { 767 case HNAE3_MEDIA_TYPE_NONE: 768 cmd->base.port = PORT_NONE; 769 hns3_get_ksettings(h, cmd); 770 break; 771 case HNAE3_MEDIA_TYPE_FIBER: 772 if (module_type == HNAE3_MODULE_TYPE_UNKNOWN) 773 cmd->base.port = PORT_OTHER; 774 else if (module_type == HNAE3_MODULE_TYPE_CR) 775 cmd->base.port = PORT_DA; 776 else 777 cmd->base.port = PORT_FIBRE; 778 779 hns3_get_ksettings(h, cmd); 780 break; 781 case HNAE3_MEDIA_TYPE_BACKPLANE: 782 cmd->base.port = PORT_NONE; 783 hns3_get_ksettings(h, cmd); 784 break; 785 case HNAE3_MEDIA_TYPE_COPPER: 786 cmd->base.port = PORT_TP; 787 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 788 ops->get_phy_link_ksettings) 789 ops->get_phy_link_ksettings(h, cmd); 790 else if (!netdev->phydev) 791 hns3_get_ksettings(h, cmd); 792 else 793 phy_ethtool_ksettings_get(netdev->phydev, cmd); 794 break; 795 default: 796 797 netdev_warn(netdev, "Unknown media type\n"); 798 return 0; 799 } 800 801 /* mdio_support */ 802 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 803 804 link_stat = hns3_get_link(netdev); 805 if (!link_stat) { 806 cmd->base.speed = SPEED_UNKNOWN; 807 cmd->base.duplex = DUPLEX_UNKNOWN; 808 } 809 810 return 0; 811 } 812 813 static int hns3_check_ksettings_param(const struct net_device *netdev, 814 const struct ethtool_link_ksettings *cmd) 815 { 816 struct hnae3_handle *handle = hns3_get_handle(netdev); 817 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 818 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 819 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 820 u32 lane_num; 821 u8 autoneg; 822 u32 speed; 823 u8 duplex; 824 int ret; 825 826 /* hw doesn't support use specified speed and duplex to negotiate, 827 * unnecessary to check them when autoneg on. 828 */ 829 if (cmd->base.autoneg) 830 return 0; 831 832 if (ops->get_ksettings_an_result) { 833 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex, &lane_num); 834 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 835 cmd->base.duplex == duplex && cmd->lanes == lane_num) 836 return 0; 837 } 838 839 if (ops->get_media_type) 840 ops->get_media_type(handle, &media_type, &module_type); 841 842 if (cmd->base.duplex == DUPLEX_HALF && 843 media_type != HNAE3_MEDIA_TYPE_COPPER) { 844 netdev_err(netdev, 845 "only copper port supports half duplex!\n"); 846 return -EINVAL; 847 } 848 849 if (ops->check_port_speed) { 850 ret = ops->check_port_speed(handle, cmd->base.speed); 851 if (ret) { 852 netdev_err(netdev, "unsupported speed\n"); 853 return ret; 854 } 855 } 856 857 return 0; 858 } 859 860 static int hns3_set_link_ksettings(struct net_device *netdev, 861 const struct ethtool_link_ksettings *cmd) 862 { 863 struct hnae3_handle *handle = hns3_get_handle(netdev); 864 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 865 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 866 int ret; 867 868 /* Chip don't support this mode. */ 869 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 870 return -EINVAL; 871 872 if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev)) 873 return -EOPNOTSUPP; 874 875 netif_dbg(handle, drv, netdev, 876 "set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n", 877 netdev->phydev ? "phy" : "mac", 878 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex, 879 cmd->lanes); 880 881 /* Only support ksettings_set for netdev with phy attached for now */ 882 if (netdev->phydev) { 883 if (cmd->base.speed == SPEED_1000 && 884 cmd->base.autoneg == AUTONEG_DISABLE) 885 return -EINVAL; 886 887 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 888 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 889 ops->set_phy_link_ksettings) { 890 return ops->set_phy_link_ksettings(handle, cmd); 891 } 892 893 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 894 return -EOPNOTSUPP; 895 896 ret = hns3_check_ksettings_param(netdev, cmd); 897 if (ret) 898 return ret; 899 900 if (ops->set_autoneg) { 901 ret = ops->set_autoneg(handle, cmd->base.autoneg); 902 if (ret) 903 return ret; 904 } 905 906 /* hw doesn't support use specified speed and duplex to negotiate, 907 * ignore them when autoneg on. 908 */ 909 if (cmd->base.autoneg) { 910 netdev_info(netdev, 911 "autoneg is on, ignore the speed and duplex\n"); 912 return 0; 913 } 914 915 if (ops->cfg_mac_speed_dup_h) 916 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 917 cmd->base.duplex, (u8)(cmd->lanes)); 918 919 return ret; 920 } 921 922 static u32 hns3_get_rss_key_size(struct net_device *netdev) 923 { 924 struct hnae3_handle *h = hns3_get_handle(netdev); 925 926 if (!h->ae_algo->ops->get_rss_key_size) 927 return 0; 928 929 return h->ae_algo->ops->get_rss_key_size(h); 930 } 931 932 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 933 { 934 struct hnae3_handle *h = hns3_get_handle(netdev); 935 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 936 937 return ae_dev->dev_specs.rss_ind_tbl_size; 938 } 939 940 static int hns3_get_rss(struct net_device *netdev, 941 struct ethtool_rxfh_param *rxfh) 942 { 943 struct hnae3_handle *h = hns3_get_handle(netdev); 944 945 if (!h->ae_algo->ops->get_rss) 946 return -EOPNOTSUPP; 947 948 return h->ae_algo->ops->get_rss(h, rxfh->indir, rxfh->key, 949 &rxfh->hfunc); 950 } 951 952 static int hns3_set_rss(struct net_device *netdev, 953 struct ethtool_rxfh_param *rxfh, 954 struct netlink_ext_ack *extack) 955 { 956 struct hnae3_handle *h = hns3_get_handle(netdev); 957 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 958 959 if (!h->ae_algo->ops->set_rss) 960 return -EOPNOTSUPP; 961 962 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 963 rxfh->hfunc != ETH_RSS_HASH_TOP) || 964 (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 965 rxfh->hfunc != ETH_RSS_HASH_TOP && 966 rxfh->hfunc != ETH_RSS_HASH_XOR)) { 967 netdev_err(netdev, "hash func not supported\n"); 968 return -EOPNOTSUPP; 969 } 970 971 if (!rxfh->indir) { 972 netdev_err(netdev, 973 "set rss failed for indir is empty\n"); 974 return -EOPNOTSUPP; 975 } 976 977 return h->ae_algo->ops->set_rss(h, rxfh->indir, rxfh->key, 978 rxfh->hfunc); 979 } 980 981 static int hns3_get_rxfh_fields(struct net_device *netdev, 982 struct ethtool_rxfh_fields *cmd) 983 { 984 struct hnae3_handle *h = hns3_get_handle(netdev); 985 986 if (h->ae_algo->ops->get_rss_tuple) 987 return h->ae_algo->ops->get_rss_tuple(h, cmd); 988 return -EOPNOTSUPP; 989 } 990 991 static int hns3_get_rxnfc(struct net_device *netdev, 992 struct ethtool_rxnfc *cmd, 993 u32 *rule_locs) 994 { 995 struct hnae3_handle *h = hns3_get_handle(netdev); 996 997 switch (cmd->cmd) { 998 case ETHTOOL_GRXRINGS: 999 cmd->data = h->kinfo.num_tqps; 1000 return 0; 1001 case ETHTOOL_GRXCLSRLCNT: 1002 if (h->ae_algo->ops->get_fd_rule_cnt) 1003 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 1004 return -EOPNOTSUPP; 1005 case ETHTOOL_GRXCLSRULE: 1006 if (h->ae_algo->ops->get_fd_rule_info) 1007 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 1008 return -EOPNOTSUPP; 1009 case ETHTOOL_GRXCLSRLALL: 1010 if (h->ae_algo->ops->get_fd_all_rules) 1011 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 1012 rule_locs); 1013 return -EOPNOTSUPP; 1014 default: 1015 return -EOPNOTSUPP; 1016 } 1017 } 1018 1019 static const struct hns3_reset_type_map hns3_reset_type[] = { 1020 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 1021 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 1022 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 1023 }; 1024 1025 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 1026 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 1027 }; 1028 1029 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 1030 { 1031 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 1032 struct hnae3_handle *h = hns3_get_handle(netdev); 1033 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 1034 const struct hnae3_ae_ops *ops = hns3_get_ops(h); 1035 const struct hns3_reset_type_map *rst_type_map; 1036 enum ethtool_reset_flags rst_flags; 1037 u32 i, size; 1038 1039 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 1040 return -EBUSY; 1041 1042 if (!ops->set_default_reset_request || !ops->reset_event) 1043 return -EOPNOTSUPP; 1044 1045 if (h->flags & HNAE3_SUPPORT_VF) { 1046 rst_type_map = hns3vf_reset_type; 1047 size = ARRAY_SIZE(hns3vf_reset_type); 1048 } else { 1049 rst_type_map = hns3_reset_type; 1050 size = ARRAY_SIZE(hns3_reset_type); 1051 } 1052 1053 for (i = 0; i < size; i++) { 1054 if (rst_type_map[i].rst_flags == *flags) { 1055 rst_type = rst_type_map[i].rst_type; 1056 rst_flags = rst_type_map[i].rst_flags; 1057 break; 1058 } 1059 } 1060 1061 if (rst_type == HNAE3_NONE_RESET || 1062 (rst_type == HNAE3_IMP_RESET && 1063 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1064 return -EOPNOTSUPP; 1065 1066 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1067 1068 ops->set_default_reset_request(ae_dev, rst_type); 1069 1070 ops->reset_event(h->pdev, h); 1071 1072 *flags &= ~rst_flags; 1073 1074 return 0; 1075 } 1076 1077 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1078 u32 tx_desc_num, u32 rx_desc_num) 1079 { 1080 struct hnae3_handle *h = priv->ae_handle; 1081 int i; 1082 1083 h->kinfo.num_tx_desc = tx_desc_num; 1084 h->kinfo.num_rx_desc = rx_desc_num; 1085 1086 for (i = 0; i < h->kinfo.num_tqps; i++) { 1087 priv->ring[i].desc_num = tx_desc_num; 1088 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1089 } 1090 } 1091 1092 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1093 { 1094 struct hnae3_handle *handle = priv->ae_handle; 1095 struct hns3_enet_ring *tmp_rings; 1096 int i; 1097 1098 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 1099 sizeof(struct hns3_enet_ring), GFP_KERNEL); 1100 if (!tmp_rings) 1101 return NULL; 1102 1103 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1104 memcpy(&tmp_rings[i], &priv->ring[i], 1105 sizeof(struct hns3_enet_ring)); 1106 tmp_rings[i].skb = NULL; 1107 } 1108 1109 return tmp_rings; 1110 } 1111 1112 static int hns3_check_ringparam(struct net_device *ndev, 1113 struct ethtool_ringparam *param, 1114 struct kernel_ethtool_ringparam *kernel_param) 1115 { 1116 #define RX_BUF_LEN_2K 2048 1117 #define RX_BUF_LEN_4K 4096 1118 1119 struct hns3_nic_priv *priv = netdev_priv(ndev); 1120 1121 if (hns3_nic_resetting(ndev) || !priv->ring) { 1122 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n"); 1123 return -EBUSY; 1124 } 1125 1126 1127 if (param->rx_mini_pending || param->rx_jumbo_pending) 1128 return -EINVAL; 1129 1130 if (kernel_param->rx_buf_len != RX_BUF_LEN_2K && 1131 kernel_param->rx_buf_len != RX_BUF_LEN_4K) { 1132 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n"); 1133 return -EINVAL; 1134 } 1135 1136 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1137 param->tx_pending < HNS3_RING_MIN_PENDING || 1138 param->rx_pending > HNS3_RING_MAX_PENDING || 1139 param->rx_pending < HNS3_RING_MIN_PENDING) { 1140 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1141 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1142 return -EINVAL; 1143 } 1144 1145 return 0; 1146 } 1147 1148 static bool 1149 hns3_is_ringparam_changed(struct net_device *ndev, 1150 struct ethtool_ringparam *param, 1151 struct kernel_ethtool_ringparam *kernel_param, 1152 struct hns3_ring_param *old_ringparam, 1153 struct hns3_ring_param *new_ringparam) 1154 { 1155 struct hns3_nic_priv *priv = netdev_priv(ndev); 1156 struct hnae3_handle *h = priv->ae_handle; 1157 u16 queue_num = h->kinfo.num_tqps; 1158 1159 new_ringparam->tx_desc_num = ALIGN(param->tx_pending, 1160 HNS3_RING_BD_MULTIPLE); 1161 new_ringparam->rx_desc_num = ALIGN(param->rx_pending, 1162 HNS3_RING_BD_MULTIPLE); 1163 old_ringparam->tx_desc_num = priv->ring[0].desc_num; 1164 old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num; 1165 old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size; 1166 new_ringparam->rx_buf_len = kernel_param->rx_buf_len; 1167 1168 if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num && 1169 old_ringparam->rx_desc_num == new_ringparam->rx_desc_num && 1170 old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) { 1171 netdev_info(ndev, "descriptor number and rx buffer length not changed\n"); 1172 return false; 1173 } 1174 1175 return true; 1176 } 1177 1178 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1179 { 1180 struct hns3_nic_priv *priv = netdev_priv(ndev); 1181 struct hnae3_handle *h = priv->ae_handle; 1182 int i; 1183 1184 h->kinfo.rx_buf_len = rx_buf_len; 1185 1186 for (i = 0; i < h->kinfo.num_tqps; i++) { 1187 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1188 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1189 } 1190 1191 return 0; 1192 } 1193 1194 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push) 1195 { 1196 struct hns3_nic_priv *priv = netdev_priv(netdev); 1197 struct hnae3_handle *h = hns3_get_handle(netdev); 1198 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 1199 u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1200 1201 if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push) 1202 return -EOPNOTSUPP; 1203 1204 if (tx_push == old_state) 1205 return 0; 1206 1207 netdev_dbg(netdev, "Changing tx push from %s to %s\n", 1208 str_on_off(old_state), str_on_off(tx_push)); 1209 1210 if (tx_push) 1211 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1212 else 1213 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1214 1215 return 0; 1216 } 1217 1218 static int hns3_set_ringparam(struct net_device *ndev, 1219 struct ethtool_ringparam *param, 1220 struct kernel_ethtool_ringparam *kernel_param, 1221 struct netlink_ext_ack *extack) 1222 { 1223 struct hns3_ring_param old_ringparam, new_ringparam; 1224 struct hns3_nic_priv *priv = netdev_priv(ndev); 1225 struct hnae3_handle *h = priv->ae_handle; 1226 struct hns3_enet_ring *tmp_rings; 1227 bool if_running = netif_running(ndev); 1228 int ret, i; 1229 1230 ret = hns3_check_ringparam(ndev, param, kernel_param); 1231 if (ret) 1232 return ret; 1233 1234 ret = hns3_set_tx_push(ndev, kernel_param->tx_push); 1235 if (ret) 1236 return ret; 1237 1238 if (!hns3_is_ringparam_changed(ndev, param, kernel_param, 1239 &old_ringparam, &new_ringparam)) 1240 return 0; 1241 1242 tmp_rings = hns3_backup_ringparam(priv); 1243 if (!tmp_rings) { 1244 netdev_err(ndev, "backup ring param failed by allocating memory fail\n"); 1245 return -ENOMEM; 1246 } 1247 1248 netdev_info(ndev, 1249 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n", 1250 old_ringparam.tx_desc_num, old_ringparam.rx_desc_num, 1251 new_ringparam.tx_desc_num, new_ringparam.rx_desc_num, 1252 old_ringparam.rx_buf_len, new_ringparam.rx_buf_len); 1253 1254 if (if_running) 1255 ndev->netdev_ops->ndo_stop(ndev); 1256 1257 hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num, 1258 new_ringparam.rx_desc_num); 1259 hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len); 1260 ret = hns3_init_all_ring(priv); 1261 if (ret) { 1262 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1263 ret); 1264 1265 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len); 1266 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num, 1267 old_ringparam.rx_desc_num); 1268 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1269 memcpy(&priv->ring[i], &tmp_rings[i], 1270 sizeof(struct hns3_enet_ring)); 1271 } else { 1272 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1273 hns3_fini_ring(&tmp_rings[i]); 1274 } 1275 1276 kfree(tmp_rings); 1277 1278 if (if_running) 1279 ret = ndev->netdev_ops->ndo_open(ndev); 1280 1281 return ret; 1282 } 1283 1284 static int hns3_set_rxfh_fields(struct net_device *netdev, 1285 const struct ethtool_rxfh_fields *cmd, 1286 struct netlink_ext_ack *extack) 1287 { 1288 struct hnae3_handle *h = hns3_get_handle(netdev); 1289 1290 if (h->ae_algo->ops->set_rss_tuple) 1291 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1292 return -EOPNOTSUPP; 1293 } 1294 1295 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1296 { 1297 struct hnae3_handle *h = hns3_get_handle(netdev); 1298 1299 switch (cmd->cmd) { 1300 case ETHTOOL_SRXCLSRLINS: 1301 if (h->ae_algo->ops->add_fd_entry) 1302 return h->ae_algo->ops->add_fd_entry(h, cmd); 1303 return -EOPNOTSUPP; 1304 case ETHTOOL_SRXCLSRLDEL: 1305 if (h->ae_algo->ops->del_fd_entry) 1306 return h->ae_algo->ops->del_fd_entry(h, cmd); 1307 return -EOPNOTSUPP; 1308 default: 1309 return -EOPNOTSUPP; 1310 } 1311 } 1312 1313 static int hns3_nway_reset(struct net_device *netdev) 1314 { 1315 struct hnae3_handle *handle = hns3_get_handle(netdev); 1316 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1317 struct phy_device *phy = netdev->phydev; 1318 int autoneg; 1319 1320 if (!netif_running(netdev)) 1321 return 0; 1322 1323 if (hns3_nic_resetting(netdev)) { 1324 netdev_err(netdev, "dev resetting!\n"); 1325 return -EBUSY; 1326 } 1327 1328 if (!ops->get_autoneg || !ops->restart_autoneg) 1329 return -EOPNOTSUPP; 1330 1331 autoneg = ops->get_autoneg(handle); 1332 if (autoneg != AUTONEG_ENABLE) { 1333 netdev_err(netdev, 1334 "Autoneg is off, don't support to restart it\n"); 1335 return -EINVAL; 1336 } 1337 1338 netif_dbg(handle, drv, netdev, 1339 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1340 1341 if (phy) 1342 return genphy_restart_aneg(phy); 1343 1344 return ops->restart_autoneg(handle); 1345 } 1346 1347 static void hns3_get_channels(struct net_device *netdev, 1348 struct ethtool_channels *ch) 1349 { 1350 struct hnae3_handle *h = hns3_get_handle(netdev); 1351 1352 if (h->ae_algo->ops->get_channels) 1353 h->ae_algo->ops->get_channels(h, ch); 1354 } 1355 1356 static int hns3_get_coalesce(struct net_device *netdev, 1357 struct ethtool_coalesce *cmd, 1358 struct kernel_ethtool_coalesce *kernel_coal, 1359 struct netlink_ext_ack *extack) 1360 { 1361 struct hns3_nic_priv *priv = netdev_priv(netdev); 1362 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1363 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1364 struct hnae3_handle *h = priv->ae_handle; 1365 1366 if (hns3_nic_resetting(netdev)) 1367 return -EBUSY; 1368 1369 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1370 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1371 1372 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1373 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1374 1375 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1376 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1377 1378 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1379 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1380 1381 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1382 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1383 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1384 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1385 1386 return 0; 1387 } 1388 1389 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1390 struct ethtool_coalesce *cmd) 1391 { 1392 struct hnae3_handle *handle = hns3_get_handle(netdev); 1393 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1394 u32 rx_gl, tx_gl; 1395 1396 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1397 netdev_err(netdev, 1398 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1399 ae_dev->dev_specs.max_int_gl); 1400 return -EINVAL; 1401 } 1402 1403 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1404 netdev_err(netdev, 1405 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1406 ae_dev->dev_specs.max_int_gl); 1407 return -EINVAL; 1408 } 1409 1410 /* device version above V3(include V3), GL uses 1us unit, 1411 * so the round down is not needed. 1412 */ 1413 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1414 return 0; 1415 1416 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1417 if (rx_gl != cmd->rx_coalesce_usecs) { 1418 netdev_info(netdev, 1419 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1420 cmd->rx_coalesce_usecs, rx_gl); 1421 } 1422 1423 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1424 if (tx_gl != cmd->tx_coalesce_usecs) { 1425 netdev_info(netdev, 1426 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1427 cmd->tx_coalesce_usecs, tx_gl); 1428 } 1429 1430 return 0; 1431 } 1432 1433 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1434 struct ethtool_coalesce *cmd) 1435 { 1436 u32 rl; 1437 1438 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1439 netdev_err(netdev, 1440 "tx_usecs_high must be same as rx_usecs_high.\n"); 1441 return -EINVAL; 1442 } 1443 1444 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1445 netdev_err(netdev, 1446 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1447 HNS3_INT_RL_MAX); 1448 return -EINVAL; 1449 } 1450 1451 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1452 if (rl != cmd->rx_coalesce_usecs_high) { 1453 netdev_info(netdev, 1454 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1455 cmd->rx_coalesce_usecs_high, rl); 1456 } 1457 1458 return 0; 1459 } 1460 1461 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1462 struct ethtool_coalesce *cmd) 1463 { 1464 struct hnae3_handle *handle = hns3_get_handle(netdev); 1465 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1466 1467 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1468 !ae_dev->dev_specs.int_ql_max) { 1469 netdev_err(netdev, "coalesced frames is not supported\n"); 1470 return -EOPNOTSUPP; 1471 } 1472 1473 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1474 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1475 netdev_err(netdev, 1476 "invalid coalesced_frames value, range is 0-%u\n", 1477 ae_dev->dev_specs.int_ql_max); 1478 return -ERANGE; 1479 } 1480 1481 return 0; 1482 } 1483 1484 static int 1485 hns3_check_cqe_coalesce_param(struct net_device *netdev, 1486 struct kernel_ethtool_coalesce *kernel_coal) 1487 { 1488 struct hnae3_handle *handle = hns3_get_handle(netdev); 1489 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1490 1491 if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) && 1492 !hnae3_ae_dev_cq_supported(ae_dev)) { 1493 netdev_err(netdev, "coalesced cqe mode is not supported\n"); 1494 return -EOPNOTSUPP; 1495 } 1496 1497 return 0; 1498 } 1499 1500 static int 1501 hns3_check_coalesce_para(struct net_device *netdev, 1502 struct ethtool_coalesce *cmd, 1503 struct kernel_ethtool_coalesce *kernel_coal) 1504 { 1505 int ret; 1506 1507 ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal); 1508 if (ret) 1509 return ret; 1510 1511 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1512 if (ret) { 1513 netdev_err(netdev, 1514 "Check gl coalesce param fail. ret = %d\n", ret); 1515 return ret; 1516 } 1517 1518 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1519 if (ret) { 1520 netdev_err(netdev, 1521 "Check rl coalesce param fail. ret = %d\n", ret); 1522 return ret; 1523 } 1524 1525 return hns3_check_ql_coalesce_param(netdev, cmd); 1526 } 1527 1528 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1529 struct ethtool_coalesce *cmd, 1530 u32 queue) 1531 { 1532 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1533 struct hns3_nic_priv *priv = netdev_priv(netdev); 1534 struct hnae3_handle *h = priv->ae_handle; 1535 int queue_num = h->kinfo.num_tqps; 1536 1537 tx_vector = priv->ring[queue].tqp_vector; 1538 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1539 1540 tx_vector->tx_group.coal.adapt_enable = 1541 cmd->use_adaptive_tx_coalesce; 1542 rx_vector->rx_group.coal.adapt_enable = 1543 cmd->use_adaptive_rx_coalesce; 1544 1545 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1546 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1547 1548 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1549 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1550 1551 hns3_set_vector_coalesce_tx_gl(tx_vector, 1552 tx_vector->tx_group.coal.int_gl); 1553 hns3_set_vector_coalesce_rx_gl(rx_vector, 1554 rx_vector->rx_group.coal.int_gl); 1555 1556 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1557 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1558 1559 if (tx_vector->tx_group.coal.ql_enable) 1560 hns3_set_vector_coalesce_tx_ql(tx_vector, 1561 tx_vector->tx_group.coal.int_ql); 1562 if (rx_vector->rx_group.coal.ql_enable) 1563 hns3_set_vector_coalesce_rx_ql(rx_vector, 1564 rx_vector->rx_group.coal.int_ql); 1565 } 1566 1567 static int hns3_set_coalesce(struct net_device *netdev, 1568 struct ethtool_coalesce *cmd, 1569 struct kernel_ethtool_coalesce *kernel_coal, 1570 struct netlink_ext_ack *extack) 1571 { 1572 struct hnae3_handle *h = hns3_get_handle(netdev); 1573 struct hns3_nic_priv *priv = netdev_priv(netdev); 1574 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1575 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1576 u16 queue_num = h->kinfo.num_tqps; 1577 enum dim_cq_period_mode tx_mode; 1578 enum dim_cq_period_mode rx_mode; 1579 int ret; 1580 int i; 1581 1582 if (hns3_nic_resetting(netdev)) 1583 return -EBUSY; 1584 1585 ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal); 1586 if (ret) 1587 return ret; 1588 1589 h->kinfo.int_rl_setting = 1590 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1591 1592 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1593 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1594 1595 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1596 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1597 1598 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1599 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1600 1601 for (i = 0; i < queue_num; i++) 1602 hns3_set_coalesce_per_queue(netdev, cmd, i); 1603 1604 tx_mode = kernel_coal->use_cqe_mode_tx ? 1605 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1606 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1607 rx_mode = kernel_coal->use_cqe_mode_rx ? 1608 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1609 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1610 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1611 1612 return 0; 1613 } 1614 1615 static int hns3_get_regs_len(struct net_device *netdev) 1616 { 1617 struct hnae3_handle *h = hns3_get_handle(netdev); 1618 1619 if (!h->ae_algo->ops->get_regs_len) 1620 return -EOPNOTSUPP; 1621 1622 return h->ae_algo->ops->get_regs_len(h); 1623 } 1624 1625 static void hns3_get_regs(struct net_device *netdev, 1626 struct ethtool_regs *cmd, void *data) 1627 { 1628 struct hnae3_handle *h = hns3_get_handle(netdev); 1629 1630 if (!h->ae_algo->ops->get_regs) 1631 return; 1632 1633 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1634 } 1635 1636 static int hns3_set_phys_id(struct net_device *netdev, 1637 enum ethtool_phys_id_state state) 1638 { 1639 struct hnae3_handle *h = hns3_get_handle(netdev); 1640 1641 if (!h->ae_algo->ops->set_led_id) 1642 return -EOPNOTSUPP; 1643 1644 return h->ae_algo->ops->set_led_id(h, state); 1645 } 1646 1647 static u32 hns3_get_msglevel(struct net_device *netdev) 1648 { 1649 struct hnae3_handle *h = hns3_get_handle(netdev); 1650 1651 return h->msg_enable; 1652 } 1653 1654 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1655 { 1656 struct hnae3_handle *h = hns3_get_handle(netdev); 1657 1658 h->msg_enable = msg_level; 1659 } 1660 1661 static void hns3_get_fec_stats(struct net_device *netdev, 1662 struct ethtool_fec_stats *fec_stats) 1663 { 1664 struct hnae3_handle *handle = hns3_get_handle(netdev); 1665 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1666 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1667 1668 if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats) 1669 return; 1670 1671 ops->get_fec_stats(handle, fec_stats); 1672 } 1673 1674 /* Translate local fec value into ethtool value. */ 1675 static unsigned int loc_to_eth_fec(u8 loc_fec) 1676 { 1677 u32 eth_fec = 0; 1678 1679 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1680 eth_fec |= ETHTOOL_FEC_AUTO; 1681 if (loc_fec & BIT(HNAE3_FEC_RS)) 1682 eth_fec |= ETHTOOL_FEC_RS; 1683 if (loc_fec & BIT(HNAE3_FEC_LLRS)) 1684 eth_fec |= ETHTOOL_FEC_LLRS; 1685 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1686 eth_fec |= ETHTOOL_FEC_BASER; 1687 if (loc_fec & BIT(HNAE3_FEC_NONE)) 1688 eth_fec |= ETHTOOL_FEC_OFF; 1689 1690 return eth_fec; 1691 } 1692 1693 /* Translate ethtool fec value into local value. */ 1694 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1695 { 1696 u32 loc_fec = 0; 1697 1698 if (eth_fec & ETHTOOL_FEC_OFF) 1699 loc_fec |= BIT(HNAE3_FEC_NONE); 1700 if (eth_fec & ETHTOOL_FEC_AUTO) 1701 loc_fec |= BIT(HNAE3_FEC_AUTO); 1702 if (eth_fec & ETHTOOL_FEC_RS) 1703 loc_fec |= BIT(HNAE3_FEC_RS); 1704 if (eth_fec & ETHTOOL_FEC_LLRS) 1705 loc_fec |= BIT(HNAE3_FEC_LLRS); 1706 if (eth_fec & ETHTOOL_FEC_BASER) 1707 loc_fec |= BIT(HNAE3_FEC_BASER); 1708 1709 return loc_fec; 1710 } 1711 1712 static int hns3_get_fecparam(struct net_device *netdev, 1713 struct ethtool_fecparam *fec) 1714 { 1715 struct hnae3_handle *handle = hns3_get_handle(netdev); 1716 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1717 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1718 u8 fec_ability; 1719 u8 fec_mode; 1720 1721 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1722 return -EOPNOTSUPP; 1723 1724 if (!ops->get_fec) 1725 return -EOPNOTSUPP; 1726 1727 ops->get_fec(handle, &fec_ability, &fec_mode); 1728 1729 fec->fec = loc_to_eth_fec(fec_ability); 1730 fec->active_fec = loc_to_eth_fec(fec_mode); 1731 if (!fec->active_fec) 1732 fec->active_fec = ETHTOOL_FEC_OFF; 1733 1734 return 0; 1735 } 1736 1737 static int hns3_set_fecparam(struct net_device *netdev, 1738 struct ethtool_fecparam *fec) 1739 { 1740 struct hnae3_handle *handle = hns3_get_handle(netdev); 1741 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1742 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1743 u32 fec_mode; 1744 1745 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1746 return -EOPNOTSUPP; 1747 1748 if (!ops->set_fec) 1749 return -EOPNOTSUPP; 1750 fec_mode = eth_to_loc_fec(fec->fec); 1751 1752 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1753 1754 return ops->set_fec(handle, fec_mode); 1755 } 1756 1757 static int hns3_get_module_info(struct net_device *netdev, 1758 struct ethtool_modinfo *modinfo) 1759 { 1760 #define HNS3_SFF_8636_V1_3 0x03 1761 1762 struct hnae3_handle *handle = hns3_get_handle(netdev); 1763 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1764 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1765 struct hns3_sfp_type sfp_type; 1766 int ret; 1767 1768 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1769 !ops->get_module_eeprom) 1770 return -EOPNOTSUPP; 1771 1772 memset(&sfp_type, 0, sizeof(sfp_type)); 1773 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1774 (u8 *)&sfp_type); 1775 if (ret) 1776 return ret; 1777 1778 switch (sfp_type.type) { 1779 case SFF8024_ID_SFP: 1780 modinfo->type = ETH_MODULE_SFF_8472; 1781 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1782 break; 1783 case SFF8024_ID_QSFP_8438: 1784 modinfo->type = ETH_MODULE_SFF_8436; 1785 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1786 break; 1787 case SFF8024_ID_QSFP_8436_8636: 1788 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1789 modinfo->type = ETH_MODULE_SFF_8436; 1790 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1791 } else { 1792 modinfo->type = ETH_MODULE_SFF_8636; 1793 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1794 } 1795 break; 1796 case SFF8024_ID_QSFP28_8636: 1797 modinfo->type = ETH_MODULE_SFF_8636; 1798 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1799 break; 1800 default: 1801 netdev_err(netdev, "Optical module unknown: %#x\n", 1802 sfp_type.type); 1803 return -EINVAL; 1804 } 1805 1806 return 0; 1807 } 1808 1809 static int hns3_get_module_eeprom(struct net_device *netdev, 1810 struct ethtool_eeprom *ee, u8 *data) 1811 { 1812 struct hnae3_handle *handle = hns3_get_handle(netdev); 1813 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1814 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1815 1816 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1817 !ops->get_module_eeprom) 1818 return -EOPNOTSUPP; 1819 1820 if (!ee->len) 1821 return -EINVAL; 1822 1823 memset(data, 0, ee->len); 1824 1825 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1826 } 1827 1828 static u32 hns3_get_priv_flags(struct net_device *netdev) 1829 { 1830 struct hnae3_handle *handle = hns3_get_handle(netdev); 1831 1832 return handle->priv_flags; 1833 } 1834 1835 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1836 { 1837 u32 i; 1838 1839 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1840 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1841 netdev_err(h->netdev, "%s is unsupported\n", 1842 hns3_priv_flags[i].name); 1843 return -EOPNOTSUPP; 1844 } 1845 1846 return 0; 1847 } 1848 1849 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1850 { 1851 struct hnae3_handle *handle = hns3_get_handle(netdev); 1852 u32 changed = pflags ^ handle->priv_flags; 1853 int ret; 1854 u32 i; 1855 1856 ret = hns3_check_priv_flags(handle, changed); 1857 if (ret) 1858 return ret; 1859 1860 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1861 if (changed & BIT(i)) { 1862 bool enable = !(handle->priv_flags & BIT(i)); 1863 1864 if (enable) 1865 handle->priv_flags |= BIT(i); 1866 else 1867 handle->priv_flags &= ~BIT(i); 1868 hns3_priv_flags[i].handler(netdev, enable); 1869 } 1870 } 1871 1872 return 0; 1873 } 1874 1875 static int hns3_get_tunable(struct net_device *netdev, 1876 const struct ethtool_tunable *tuna, 1877 void *data) 1878 { 1879 struct hns3_nic_priv *priv = netdev_priv(netdev); 1880 struct hnae3_handle *h = priv->ae_handle; 1881 int ret = 0; 1882 1883 switch (tuna->id) { 1884 case ETHTOOL_TX_COPYBREAK: 1885 /* all the tx rings have the same tx_copybreak */ 1886 *(u32 *)data = priv->tx_copybreak; 1887 break; 1888 case ETHTOOL_RX_COPYBREAK: 1889 *(u32 *)data = priv->rx_copybreak; 1890 break; 1891 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1892 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1893 break; 1894 default: 1895 ret = -EOPNOTSUPP; 1896 break; 1897 } 1898 1899 return ret; 1900 } 1901 1902 static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1903 u32 data) 1904 { 1905 struct hns3_nic_priv *priv = netdev_priv(netdev); 1906 struct hnae3_handle *h = priv->ae_handle; 1907 int ret; 1908 1909 h->kinfo.tx_spare_buf_size = data; 1910 1911 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1912 if (ret) 1913 return ret; 1914 1915 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1916 if (ret) 1917 return ret; 1918 1919 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1920 if (ret) 1921 return ret; 1922 1923 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1924 if (ret) 1925 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1926 1927 return ret; 1928 } 1929 1930 static int hns3_set_tunable(struct net_device *netdev, 1931 const struct ethtool_tunable *tuna, 1932 const void *data) 1933 { 1934 struct hns3_nic_priv *priv = netdev_priv(netdev); 1935 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1936 struct hnae3_handle *h = priv->ae_handle; 1937 int i, ret = 0; 1938 1939 if (hns3_nic_resetting(netdev) || !priv->ring) { 1940 netdev_err(netdev, "failed to set tunable value, dev resetting!\n"); 1941 return -EBUSY; 1942 } 1943 1944 switch (tuna->id) { 1945 case ETHTOOL_TX_COPYBREAK: 1946 priv->tx_copybreak = *(u32 *)data; 1947 1948 for (i = 0; i < h->kinfo.num_tqps; i++) 1949 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1950 1951 break; 1952 case ETHTOOL_RX_COPYBREAK: 1953 priv->rx_copybreak = *(u32 *)data; 1954 1955 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1956 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1957 1958 break; 1959 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1960 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1961 new_tx_spare_buf_size = *(u32 *)data; 1962 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n", 1963 old_tx_spare_buf_size, new_tx_spare_buf_size); 1964 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 1965 if (ret || 1966 (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) { 1967 int ret1; 1968 1969 netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n"); 1970 ret1 = hns3_set_tx_spare_buf_size(netdev, 1971 old_tx_spare_buf_size); 1972 if (ret1) { 1973 netdev_err(netdev, "revert to old tx spare buf size fail\n"); 1974 return ret1; 1975 } 1976 1977 return ret; 1978 } 1979 1980 if (!priv->ring->tx_spare) 1981 netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n"); 1982 else 1983 netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n", 1984 priv->ring->tx_spare->len); 1985 1986 break; 1987 default: 1988 ret = -EOPNOTSUPP; 1989 break; 1990 } 1991 1992 return ret; 1993 } 1994 1995 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1996 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1997 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1998 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1999 ETHTOOL_COALESCE_MAX_FRAMES | \ 2000 ETHTOOL_COALESCE_USE_CQE) 2001 2002 #define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \ 2003 ETHTOOL_RING_USE_TX_PUSH) 2004 2005 static int hns3_get_ts_info(struct net_device *netdev, 2006 struct kernel_ethtool_ts_info *info) 2007 { 2008 struct hnae3_handle *handle = hns3_get_handle(netdev); 2009 2010 if (handle->ae_algo->ops->get_ts_info) 2011 return handle->ae_algo->ops->get_ts_info(handle, info); 2012 2013 return ethtool_op_get_ts_info(netdev, info); 2014 } 2015 2016 static const struct hns3_ethtool_link_ext_state_mapping 2017 hns3_link_ext_state_map[] = { 2018 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2019 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 2020 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2021 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 2022 2023 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2024 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 2025 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2026 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 2027 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2028 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 2029 2030 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2031 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 2032 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2033 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 2034 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2035 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 2036 2037 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2038 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 2039 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2040 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 2041 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2042 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 2043 2044 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 2045 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2046 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2047 2048 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 2049 }; 2050 2051 static int hns3_get_link_ext_state(struct net_device *netdev, 2052 struct ethtool_link_ext_state_info *info) 2053 { 2054 const struct hns3_ethtool_link_ext_state_mapping *map; 2055 struct hnae3_handle *h = hns3_get_handle(netdev); 2056 u32 status_code, i; 2057 int ret; 2058 2059 if (netif_carrier_ok(netdev)) 2060 return -ENODATA; 2061 2062 if (!h->ae_algo->ops->get_link_diagnosis_info) 2063 return -EOPNOTSUPP; 2064 2065 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 2066 if (ret) 2067 return ret; 2068 2069 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 2070 map = &hns3_link_ext_state_map[i]; 2071 if (map->status_code == status_code) { 2072 info->link_ext_state = map->link_ext_state; 2073 info->__link_ext_substate = map->link_ext_substate; 2074 return 0; 2075 } 2076 } 2077 2078 return -ENODATA; 2079 } 2080 2081 static void hns3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 2082 { 2083 struct hnae3_handle *handle = hns3_get_handle(netdev); 2084 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2085 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2086 2087 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2088 return; 2089 2090 ops->get_wol(handle, wol); 2091 } 2092 2093 static int hns3_set_wol(struct net_device *netdev, 2094 struct ethtool_wolinfo *wol) 2095 { 2096 struct hnae3_handle *handle = hns3_get_handle(netdev); 2097 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2098 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2099 2100 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2101 return -EOPNOTSUPP; 2102 2103 return ops->set_wol(handle, wol); 2104 } 2105 2106 static const struct ethtool_ops hns3vf_ethtool_ops = { 2107 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2108 .supported_ring_params = HNS3_ETHTOOL_RING, 2109 .get_drvinfo = hns3_get_drvinfo, 2110 .get_ringparam = hns3_get_ringparam, 2111 .set_ringparam = hns3_set_ringparam, 2112 .get_strings = hns3_get_strings, 2113 .get_ethtool_stats = hns3_get_stats, 2114 .get_sset_count = hns3_get_sset_count, 2115 .get_rxnfc = hns3_get_rxnfc, 2116 .set_rxnfc = hns3_set_rxnfc, 2117 .get_rxfh_key_size = hns3_get_rss_key_size, 2118 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2119 .get_rxfh = hns3_get_rss, 2120 .set_rxfh = hns3_set_rss, 2121 .get_rxfh_fields = hns3_get_rxfh_fields, 2122 .set_rxfh_fields = hns3_set_rxfh_fields, 2123 .get_link_ksettings = hns3_get_link_ksettings, 2124 .get_channels = hns3_get_channels, 2125 .set_channels = hns3_set_channels, 2126 .get_coalesce = hns3_get_coalesce, 2127 .set_coalesce = hns3_set_coalesce, 2128 .get_regs_len = hns3_get_regs_len, 2129 .get_regs = hns3_get_regs, 2130 .get_link = hns3_get_link, 2131 .get_msglevel = hns3_get_msglevel, 2132 .set_msglevel = hns3_set_msglevel, 2133 .get_priv_flags = hns3_get_priv_flags, 2134 .set_priv_flags = hns3_set_priv_flags, 2135 .get_tunable = hns3_get_tunable, 2136 .set_tunable = hns3_set_tunable, 2137 .reset = hns3_set_reset, 2138 }; 2139 2140 static const struct ethtool_ops hns3_ethtool_ops = { 2141 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2142 .supported_ring_params = HNS3_ETHTOOL_RING, 2143 .cap_link_lanes_supported = true, 2144 .self_test = hns3_self_test, 2145 .get_drvinfo = hns3_get_drvinfo, 2146 .get_link = hns3_get_link, 2147 .get_ringparam = hns3_get_ringparam, 2148 .set_ringparam = hns3_set_ringparam, 2149 .get_pauseparam = hns3_get_pauseparam, 2150 .set_pauseparam = hns3_set_pauseparam, 2151 .get_strings = hns3_get_strings, 2152 .get_ethtool_stats = hns3_get_stats, 2153 .get_sset_count = hns3_get_sset_count, 2154 .get_rxnfc = hns3_get_rxnfc, 2155 .set_rxnfc = hns3_set_rxnfc, 2156 .get_rxfh_key_size = hns3_get_rss_key_size, 2157 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2158 .get_rxfh = hns3_get_rss, 2159 .set_rxfh = hns3_set_rss, 2160 .get_rxfh_fields = hns3_get_rxfh_fields, 2161 .set_rxfh_fields = hns3_set_rxfh_fields, 2162 .get_link_ksettings = hns3_get_link_ksettings, 2163 .set_link_ksettings = hns3_set_link_ksettings, 2164 .nway_reset = hns3_nway_reset, 2165 .get_channels = hns3_get_channels, 2166 .set_channels = hns3_set_channels, 2167 .get_coalesce = hns3_get_coalesce, 2168 .set_coalesce = hns3_set_coalesce, 2169 .get_regs_len = hns3_get_regs_len, 2170 .get_regs = hns3_get_regs, 2171 .set_phys_id = hns3_set_phys_id, 2172 .get_msglevel = hns3_get_msglevel, 2173 .set_msglevel = hns3_set_msglevel, 2174 .get_fecparam = hns3_get_fecparam, 2175 .set_fecparam = hns3_set_fecparam, 2176 .get_fec_stats = hns3_get_fec_stats, 2177 .get_module_info = hns3_get_module_info, 2178 .get_module_eeprom = hns3_get_module_eeprom, 2179 .get_priv_flags = hns3_get_priv_flags, 2180 .set_priv_flags = hns3_set_priv_flags, 2181 .get_ts_info = hns3_get_ts_info, 2182 .get_tunable = hns3_get_tunable, 2183 .set_tunable = hns3_set_tunable, 2184 .reset = hns3_set_reset, 2185 .get_link_ext_state = hns3_get_link_ext_state, 2186 .get_wol = hns3_get_wol, 2187 .set_wol = hns3_set_wol, 2188 }; 2189 2190 void hns3_ethtool_set_ops(struct net_device *netdev) 2191 { 2192 struct hnae3_handle *h = hns3_get_handle(netdev); 2193 2194 if (h->flags & HNAE3_SUPPORT_VF) 2195 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2196 else 2197 netdev->ethtool_ops = &hns3_ethtool_ops; 2198 } 2199