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 u32 hns3_get_rx_ring_count(struct net_device *netdev) 992 { 993 struct hnae3_handle *h = hns3_get_handle(netdev); 994 995 return h->kinfo.num_tqps; 996 } 997 998 static int hns3_get_rxnfc(struct net_device *netdev, 999 struct ethtool_rxnfc *cmd, 1000 u32 *rule_locs) 1001 { 1002 struct hnae3_handle *h = hns3_get_handle(netdev); 1003 1004 switch (cmd->cmd) { 1005 case ETHTOOL_GRXCLSRLCNT: 1006 if (h->ae_algo->ops->get_fd_rule_cnt) 1007 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 1008 return -EOPNOTSUPP; 1009 case ETHTOOL_GRXCLSRULE: 1010 if (h->ae_algo->ops->get_fd_rule_info) 1011 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 1012 return -EOPNOTSUPP; 1013 case ETHTOOL_GRXCLSRLALL: 1014 if (h->ae_algo->ops->get_fd_all_rules) 1015 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 1016 rule_locs); 1017 return -EOPNOTSUPP; 1018 default: 1019 return -EOPNOTSUPP; 1020 } 1021 } 1022 1023 static const struct hns3_reset_type_map hns3_reset_type[] = { 1024 {ETH_RESET_MGMT, HNAE3_IMP_RESET}, 1025 {ETH_RESET_ALL, HNAE3_GLOBAL_RESET}, 1026 {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET}, 1027 }; 1028 1029 static const struct hns3_reset_type_map hns3vf_reset_type[] = { 1030 {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET}, 1031 }; 1032 1033 static int hns3_set_reset(struct net_device *netdev, u32 *flags) 1034 { 1035 enum hnae3_reset_type rst_type = HNAE3_NONE_RESET; 1036 struct hnae3_handle *h = hns3_get_handle(netdev); 1037 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 1038 const struct hnae3_ae_ops *ops = hns3_get_ops(h); 1039 const struct hns3_reset_type_map *rst_type_map; 1040 enum ethtool_reset_flags rst_flags; 1041 u32 i, size; 1042 1043 if (ops->ae_dev_resetting && ops->ae_dev_resetting(h)) 1044 return -EBUSY; 1045 1046 if (!ops->set_default_reset_request || !ops->reset_event) 1047 return -EOPNOTSUPP; 1048 1049 if (h->flags & HNAE3_SUPPORT_VF) { 1050 rst_type_map = hns3vf_reset_type; 1051 size = ARRAY_SIZE(hns3vf_reset_type); 1052 } else { 1053 rst_type_map = hns3_reset_type; 1054 size = ARRAY_SIZE(hns3_reset_type); 1055 } 1056 1057 for (i = 0; i < size; i++) { 1058 if (rst_type_map[i].rst_flags == *flags) { 1059 rst_type = rst_type_map[i].rst_type; 1060 rst_flags = rst_type_map[i].rst_flags; 1061 break; 1062 } 1063 } 1064 1065 if (rst_type == HNAE3_NONE_RESET || 1066 (rst_type == HNAE3_IMP_RESET && 1067 ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)) 1068 return -EOPNOTSUPP; 1069 1070 netdev_info(netdev, "Setting reset type %d\n", rst_type); 1071 1072 ops->set_default_reset_request(ae_dev, rst_type); 1073 1074 ops->reset_event(h->pdev, h); 1075 1076 *flags &= ~rst_flags; 1077 1078 return 0; 1079 } 1080 1081 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 1082 u32 tx_desc_num, u32 rx_desc_num) 1083 { 1084 struct hnae3_handle *h = priv->ae_handle; 1085 int i; 1086 1087 h->kinfo.num_tx_desc = tx_desc_num; 1088 h->kinfo.num_rx_desc = rx_desc_num; 1089 1090 for (i = 0; i < h->kinfo.num_tqps; i++) { 1091 priv->ring[i].desc_num = tx_desc_num; 1092 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 1093 } 1094 } 1095 1096 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 1097 { 1098 struct hnae3_handle *handle = priv->ae_handle; 1099 struct hns3_enet_ring *tmp_rings; 1100 int i; 1101 1102 tmp_rings = kzalloc_objs(struct hns3_enet_ring, 1103 handle->kinfo.num_tqps * 2); 1104 if (!tmp_rings) 1105 return NULL; 1106 1107 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 1108 memcpy(&tmp_rings[i], &priv->ring[i], 1109 sizeof(struct hns3_enet_ring)); 1110 tmp_rings[i].skb = NULL; 1111 } 1112 1113 return tmp_rings; 1114 } 1115 1116 static int hns3_check_ringparam(struct net_device *ndev, 1117 struct ethtool_ringparam *param, 1118 struct kernel_ethtool_ringparam *kernel_param) 1119 { 1120 #define RX_BUF_LEN_2K 2048 1121 #define RX_BUF_LEN_4K 4096 1122 1123 struct hns3_nic_priv *priv = netdev_priv(ndev); 1124 1125 if (hns3_nic_resetting(ndev) || !priv->ring) { 1126 netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n"); 1127 return -EBUSY; 1128 } 1129 1130 1131 if (param->rx_mini_pending || param->rx_jumbo_pending) 1132 return -EINVAL; 1133 1134 if (kernel_param->rx_buf_len != RX_BUF_LEN_2K && 1135 kernel_param->rx_buf_len != RX_BUF_LEN_4K) { 1136 netdev_err(ndev, "Rx buf len only support 2048 and 4096\n"); 1137 return -EINVAL; 1138 } 1139 1140 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1141 param->tx_pending < HNS3_RING_MIN_PENDING || 1142 param->rx_pending > HNS3_RING_MAX_PENDING || 1143 param->rx_pending < HNS3_RING_MIN_PENDING) { 1144 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1145 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1146 return -EINVAL; 1147 } 1148 1149 return 0; 1150 } 1151 1152 static bool 1153 hns3_is_ringparam_changed(struct net_device *ndev, 1154 struct ethtool_ringparam *param, 1155 struct kernel_ethtool_ringparam *kernel_param, 1156 struct hns3_ring_param *old_ringparam, 1157 struct hns3_ring_param *new_ringparam) 1158 { 1159 struct hns3_nic_priv *priv = netdev_priv(ndev); 1160 struct hnae3_handle *h = priv->ae_handle; 1161 u16 queue_num = h->kinfo.num_tqps; 1162 1163 new_ringparam->tx_desc_num = ALIGN(param->tx_pending, 1164 HNS3_RING_BD_MULTIPLE); 1165 new_ringparam->rx_desc_num = ALIGN(param->rx_pending, 1166 HNS3_RING_BD_MULTIPLE); 1167 old_ringparam->tx_desc_num = priv->ring[0].desc_num; 1168 old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num; 1169 old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size; 1170 new_ringparam->rx_buf_len = kernel_param->rx_buf_len; 1171 1172 if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num && 1173 old_ringparam->rx_desc_num == new_ringparam->rx_desc_num && 1174 old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) { 1175 netdev_info(ndev, "descriptor number and rx buffer length not changed\n"); 1176 return false; 1177 } 1178 1179 return true; 1180 } 1181 1182 static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len) 1183 { 1184 struct hns3_nic_priv *priv = netdev_priv(ndev); 1185 struct hnae3_handle *h = priv->ae_handle; 1186 int i; 1187 1188 h->kinfo.rx_buf_len = rx_buf_len; 1189 1190 for (i = 0; i < h->kinfo.num_tqps; i++) { 1191 h->kinfo.tqp[i]->buf_size = rx_buf_len; 1192 priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len; 1193 } 1194 1195 return 0; 1196 } 1197 1198 static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push) 1199 { 1200 struct hns3_nic_priv *priv = netdev_priv(netdev); 1201 struct hnae3_handle *h = hns3_get_handle(netdev); 1202 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h); 1203 u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1204 1205 if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push) 1206 return -EOPNOTSUPP; 1207 1208 if (tx_push == old_state) 1209 return 0; 1210 1211 netdev_dbg(netdev, "Changing tx push from %s to %s\n", 1212 str_on_off(old_state), str_on_off(tx_push)); 1213 1214 if (tx_push) 1215 set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1216 else 1217 clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state); 1218 1219 return 0; 1220 } 1221 1222 static int hns3_set_ringparam(struct net_device *ndev, 1223 struct ethtool_ringparam *param, 1224 struct kernel_ethtool_ringparam *kernel_param, 1225 struct netlink_ext_ack *extack) 1226 { 1227 struct hns3_ring_param old_ringparam, new_ringparam; 1228 struct hns3_nic_priv *priv = netdev_priv(ndev); 1229 struct hnae3_handle *h = priv->ae_handle; 1230 struct hns3_enet_ring *tmp_rings; 1231 bool if_running = netif_running(ndev); 1232 int ret, i; 1233 1234 ret = hns3_check_ringparam(ndev, param, kernel_param); 1235 if (ret) 1236 return ret; 1237 1238 ret = hns3_set_tx_push(ndev, kernel_param->tx_push); 1239 if (ret) 1240 return ret; 1241 1242 if (!hns3_is_ringparam_changed(ndev, param, kernel_param, 1243 &old_ringparam, &new_ringparam)) 1244 return 0; 1245 1246 tmp_rings = hns3_backup_ringparam(priv); 1247 if (!tmp_rings) { 1248 netdev_err(ndev, "backup ring param failed by allocating memory fail\n"); 1249 return -ENOMEM; 1250 } 1251 1252 netdev_info(ndev, 1253 "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n", 1254 old_ringparam.tx_desc_num, old_ringparam.rx_desc_num, 1255 new_ringparam.tx_desc_num, new_ringparam.rx_desc_num, 1256 old_ringparam.rx_buf_len, new_ringparam.rx_buf_len); 1257 1258 if (if_running) 1259 ndev->netdev_ops->ndo_stop(ndev); 1260 1261 hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num, 1262 new_ringparam.rx_desc_num); 1263 hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len); 1264 ret = hns3_init_all_ring(priv); 1265 if (ret) { 1266 netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n", 1267 ret); 1268 1269 hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len); 1270 hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num, 1271 old_ringparam.rx_desc_num); 1272 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1273 memcpy(&priv->ring[i], &tmp_rings[i], 1274 sizeof(struct hns3_enet_ring)); 1275 } else { 1276 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1277 hns3_fini_ring(&tmp_rings[i]); 1278 } 1279 1280 kfree(tmp_rings); 1281 1282 if (if_running) 1283 ret = ndev->netdev_ops->ndo_open(ndev); 1284 1285 return ret; 1286 } 1287 1288 static int hns3_set_rxfh_fields(struct net_device *netdev, 1289 const struct ethtool_rxfh_fields *cmd, 1290 struct netlink_ext_ack *extack) 1291 { 1292 struct hnae3_handle *h = hns3_get_handle(netdev); 1293 1294 if (h->ae_algo->ops->set_rss_tuple) 1295 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1296 return -EOPNOTSUPP; 1297 } 1298 1299 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1300 { 1301 struct hnae3_handle *h = hns3_get_handle(netdev); 1302 1303 switch (cmd->cmd) { 1304 case ETHTOOL_SRXCLSRLINS: 1305 if (h->ae_algo->ops->add_fd_entry) 1306 return h->ae_algo->ops->add_fd_entry(h, cmd); 1307 return -EOPNOTSUPP; 1308 case ETHTOOL_SRXCLSRLDEL: 1309 if (h->ae_algo->ops->del_fd_entry) 1310 return h->ae_algo->ops->del_fd_entry(h, cmd); 1311 return -EOPNOTSUPP; 1312 default: 1313 return -EOPNOTSUPP; 1314 } 1315 } 1316 1317 static int hns3_nway_reset(struct net_device *netdev) 1318 { 1319 struct hnae3_handle *handle = hns3_get_handle(netdev); 1320 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1321 struct phy_device *phy = netdev->phydev; 1322 int autoneg; 1323 1324 if (!netif_running(netdev)) 1325 return 0; 1326 1327 if (hns3_nic_resetting(netdev)) { 1328 netdev_err(netdev, "dev resetting!\n"); 1329 return -EBUSY; 1330 } 1331 1332 if (!ops->get_autoneg || !ops->restart_autoneg) 1333 return -EOPNOTSUPP; 1334 1335 autoneg = ops->get_autoneg(handle); 1336 if (autoneg != AUTONEG_ENABLE) { 1337 netdev_err(netdev, 1338 "Autoneg is off, don't support to restart it\n"); 1339 return -EINVAL; 1340 } 1341 1342 netif_dbg(handle, drv, netdev, 1343 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1344 1345 if (phy) 1346 return genphy_restart_aneg(phy); 1347 1348 return ops->restart_autoneg(handle); 1349 } 1350 1351 static void hns3_get_channels(struct net_device *netdev, 1352 struct ethtool_channels *ch) 1353 { 1354 struct hnae3_handle *h = hns3_get_handle(netdev); 1355 1356 if (h->ae_algo->ops->get_channels) 1357 h->ae_algo->ops->get_channels(h, ch); 1358 } 1359 1360 static int hns3_get_coalesce(struct net_device *netdev, 1361 struct ethtool_coalesce *cmd, 1362 struct kernel_ethtool_coalesce *kernel_coal, 1363 struct netlink_ext_ack *extack) 1364 { 1365 struct hns3_nic_priv *priv = netdev_priv(netdev); 1366 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1367 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1368 struct hnae3_handle *h = priv->ae_handle; 1369 1370 if (hns3_nic_resetting(netdev)) 1371 return -EBUSY; 1372 1373 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1374 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1375 1376 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1377 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1378 1379 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1380 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1381 1382 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1383 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1384 1385 kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == 1386 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1387 kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == 1388 DIM_CQ_PERIOD_MODE_START_FROM_CQE); 1389 1390 return 0; 1391 } 1392 1393 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1394 struct ethtool_coalesce *cmd) 1395 { 1396 struct hnae3_handle *handle = hns3_get_handle(netdev); 1397 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1398 u32 rx_gl, tx_gl; 1399 1400 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1401 netdev_err(netdev, 1402 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1403 ae_dev->dev_specs.max_int_gl); 1404 return -EINVAL; 1405 } 1406 1407 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1408 netdev_err(netdev, 1409 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1410 ae_dev->dev_specs.max_int_gl); 1411 return -EINVAL; 1412 } 1413 1414 /* device version above V3(include V3), GL uses 1us unit, 1415 * so the round down is not needed. 1416 */ 1417 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1418 return 0; 1419 1420 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1421 if (rx_gl != cmd->rx_coalesce_usecs) { 1422 netdev_info(netdev, 1423 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1424 cmd->rx_coalesce_usecs, rx_gl); 1425 } 1426 1427 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1428 if (tx_gl != cmd->tx_coalesce_usecs) { 1429 netdev_info(netdev, 1430 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1431 cmd->tx_coalesce_usecs, tx_gl); 1432 } 1433 1434 return 0; 1435 } 1436 1437 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1438 struct ethtool_coalesce *cmd) 1439 { 1440 u32 rl; 1441 1442 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1443 netdev_err(netdev, 1444 "tx_usecs_high must be same as rx_usecs_high.\n"); 1445 return -EINVAL; 1446 } 1447 1448 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1449 netdev_err(netdev, 1450 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1451 HNS3_INT_RL_MAX); 1452 return -EINVAL; 1453 } 1454 1455 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1456 if (rl != cmd->rx_coalesce_usecs_high) { 1457 netdev_info(netdev, 1458 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1459 cmd->rx_coalesce_usecs_high, rl); 1460 } 1461 1462 return 0; 1463 } 1464 1465 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1466 struct ethtool_coalesce *cmd) 1467 { 1468 struct hnae3_handle *handle = hns3_get_handle(netdev); 1469 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1470 1471 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1472 !ae_dev->dev_specs.int_ql_max) { 1473 netdev_err(netdev, "coalesced frames is not supported\n"); 1474 return -EOPNOTSUPP; 1475 } 1476 1477 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1478 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1479 netdev_err(netdev, 1480 "invalid coalesced_frames value, range is 0-%u\n", 1481 ae_dev->dev_specs.int_ql_max); 1482 return -ERANGE; 1483 } 1484 1485 return 0; 1486 } 1487 1488 static int 1489 hns3_check_cqe_coalesce_param(struct net_device *netdev, 1490 struct kernel_ethtool_coalesce *kernel_coal) 1491 { 1492 struct hnae3_handle *handle = hns3_get_handle(netdev); 1493 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1494 1495 if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) && 1496 !hnae3_ae_dev_cq_supported(ae_dev)) { 1497 netdev_err(netdev, "coalesced cqe mode is not supported\n"); 1498 return -EOPNOTSUPP; 1499 } 1500 1501 return 0; 1502 } 1503 1504 static int 1505 hns3_check_coalesce_para(struct net_device *netdev, 1506 struct ethtool_coalesce *cmd, 1507 struct kernel_ethtool_coalesce *kernel_coal) 1508 { 1509 int ret; 1510 1511 ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal); 1512 if (ret) 1513 return ret; 1514 1515 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1516 if (ret) { 1517 netdev_err(netdev, 1518 "Check gl coalesce param fail. ret = %d\n", ret); 1519 return ret; 1520 } 1521 1522 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1523 if (ret) { 1524 netdev_err(netdev, 1525 "Check rl coalesce param fail. ret = %d\n", ret); 1526 return ret; 1527 } 1528 1529 return hns3_check_ql_coalesce_param(netdev, cmd); 1530 } 1531 1532 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1533 struct ethtool_coalesce *cmd, 1534 u32 queue) 1535 { 1536 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1537 struct hns3_nic_priv *priv = netdev_priv(netdev); 1538 struct hnae3_handle *h = priv->ae_handle; 1539 int queue_num = h->kinfo.num_tqps; 1540 1541 tx_vector = priv->ring[queue].tqp_vector; 1542 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1543 1544 tx_vector->tx_group.coal.adapt_enable = 1545 cmd->use_adaptive_tx_coalesce; 1546 rx_vector->rx_group.coal.adapt_enable = 1547 cmd->use_adaptive_rx_coalesce; 1548 1549 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1550 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1551 1552 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1553 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1554 1555 hns3_set_vector_coalesce_tx_gl(tx_vector, 1556 tx_vector->tx_group.coal.int_gl); 1557 hns3_set_vector_coalesce_rx_gl(rx_vector, 1558 rx_vector->rx_group.coal.int_gl); 1559 1560 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1561 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1562 1563 if (tx_vector->tx_group.coal.ql_enable) 1564 hns3_set_vector_coalesce_tx_ql(tx_vector, 1565 tx_vector->tx_group.coal.int_ql); 1566 if (rx_vector->rx_group.coal.ql_enable) 1567 hns3_set_vector_coalesce_rx_ql(rx_vector, 1568 rx_vector->rx_group.coal.int_ql); 1569 } 1570 1571 static int hns3_set_coalesce(struct net_device *netdev, 1572 struct ethtool_coalesce *cmd, 1573 struct kernel_ethtool_coalesce *kernel_coal, 1574 struct netlink_ext_ack *extack) 1575 { 1576 struct hnae3_handle *h = hns3_get_handle(netdev); 1577 struct hns3_nic_priv *priv = netdev_priv(netdev); 1578 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1579 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1580 u16 queue_num = h->kinfo.num_tqps; 1581 enum dim_cq_period_mode tx_mode; 1582 enum dim_cq_period_mode rx_mode; 1583 int ret; 1584 int i; 1585 1586 if (hns3_nic_resetting(netdev)) 1587 return -EBUSY; 1588 1589 ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal); 1590 if (ret) 1591 return ret; 1592 1593 h->kinfo.int_rl_setting = 1594 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1595 1596 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1597 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1598 1599 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1600 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1601 1602 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1603 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1604 1605 for (i = 0; i < queue_num; i++) 1606 hns3_set_coalesce_per_queue(netdev, cmd, i); 1607 1608 tx_mode = kernel_coal->use_cqe_mode_tx ? 1609 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1610 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1611 rx_mode = kernel_coal->use_cqe_mode_rx ? 1612 DIM_CQ_PERIOD_MODE_START_FROM_CQE : 1613 DIM_CQ_PERIOD_MODE_START_FROM_EQE; 1614 hns3_cq_period_mode_init(priv, tx_mode, rx_mode); 1615 1616 return 0; 1617 } 1618 1619 static int hns3_get_regs_len(struct net_device *netdev) 1620 { 1621 struct hnae3_handle *h = hns3_get_handle(netdev); 1622 1623 if (!h->ae_algo->ops->get_regs_len) 1624 return -EOPNOTSUPP; 1625 1626 return h->ae_algo->ops->get_regs_len(h); 1627 } 1628 1629 static void hns3_get_regs(struct net_device *netdev, 1630 struct ethtool_regs *cmd, void *data) 1631 { 1632 struct hnae3_handle *h = hns3_get_handle(netdev); 1633 1634 if (!h->ae_algo->ops->get_regs) 1635 return; 1636 1637 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1638 } 1639 1640 static int hns3_set_phys_id(struct net_device *netdev, 1641 enum ethtool_phys_id_state state) 1642 { 1643 struct hnae3_handle *h = hns3_get_handle(netdev); 1644 1645 if (!h->ae_algo->ops->set_led_id) 1646 return -EOPNOTSUPP; 1647 1648 return h->ae_algo->ops->set_led_id(h, state); 1649 } 1650 1651 static u32 hns3_get_msglevel(struct net_device *netdev) 1652 { 1653 struct hnae3_handle *h = hns3_get_handle(netdev); 1654 1655 return h->msg_enable; 1656 } 1657 1658 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1659 { 1660 struct hnae3_handle *h = hns3_get_handle(netdev); 1661 1662 h->msg_enable = msg_level; 1663 } 1664 1665 static void hns3_get_fec_stats(struct net_device *netdev, 1666 struct ethtool_fec_stats *fec_stats, 1667 struct ethtool_fec_hist *hist) 1668 { 1669 struct hnae3_handle *handle = hns3_get_handle(netdev); 1670 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1671 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1672 1673 if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats) 1674 return; 1675 1676 ops->get_fec_stats(handle, fec_stats); 1677 } 1678 1679 /* Translate local fec value into ethtool value. */ 1680 static unsigned int loc_to_eth_fec(u8 loc_fec) 1681 { 1682 u32 eth_fec = 0; 1683 1684 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1685 eth_fec |= ETHTOOL_FEC_AUTO; 1686 if (loc_fec & BIT(HNAE3_FEC_RS)) 1687 eth_fec |= ETHTOOL_FEC_RS; 1688 if (loc_fec & BIT(HNAE3_FEC_LLRS)) 1689 eth_fec |= ETHTOOL_FEC_LLRS; 1690 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1691 eth_fec |= ETHTOOL_FEC_BASER; 1692 if (loc_fec & BIT(HNAE3_FEC_NONE)) 1693 eth_fec |= ETHTOOL_FEC_OFF; 1694 1695 return eth_fec; 1696 } 1697 1698 /* Translate ethtool fec value into local value. */ 1699 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1700 { 1701 u32 loc_fec = 0; 1702 1703 if (eth_fec & ETHTOOL_FEC_OFF) 1704 loc_fec |= BIT(HNAE3_FEC_NONE); 1705 if (eth_fec & ETHTOOL_FEC_AUTO) 1706 loc_fec |= BIT(HNAE3_FEC_AUTO); 1707 if (eth_fec & ETHTOOL_FEC_RS) 1708 loc_fec |= BIT(HNAE3_FEC_RS); 1709 if (eth_fec & ETHTOOL_FEC_LLRS) 1710 loc_fec |= BIT(HNAE3_FEC_LLRS); 1711 if (eth_fec & ETHTOOL_FEC_BASER) 1712 loc_fec |= BIT(HNAE3_FEC_BASER); 1713 1714 return loc_fec; 1715 } 1716 1717 static int hns3_get_fecparam(struct net_device *netdev, 1718 struct ethtool_fecparam *fec) 1719 { 1720 struct hnae3_handle *handle = hns3_get_handle(netdev); 1721 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1722 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1723 u8 fec_ability; 1724 u8 fec_mode; 1725 1726 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1727 return -EOPNOTSUPP; 1728 1729 if (!ops->get_fec) 1730 return -EOPNOTSUPP; 1731 1732 ops->get_fec(handle, &fec_ability, &fec_mode); 1733 1734 fec->fec = loc_to_eth_fec(fec_ability); 1735 fec->active_fec = loc_to_eth_fec(fec_mode); 1736 if (!fec->active_fec) 1737 fec->active_fec = ETHTOOL_FEC_OFF; 1738 1739 return 0; 1740 } 1741 1742 static int hns3_set_fecparam(struct net_device *netdev, 1743 struct ethtool_fecparam *fec) 1744 { 1745 struct hnae3_handle *handle = hns3_get_handle(netdev); 1746 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1747 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1748 u32 fec_mode; 1749 1750 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1751 return -EOPNOTSUPP; 1752 1753 if (!ops->set_fec) 1754 return -EOPNOTSUPP; 1755 fec_mode = eth_to_loc_fec(fec->fec); 1756 1757 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1758 1759 return ops->set_fec(handle, fec_mode); 1760 } 1761 1762 static int hns3_get_module_info(struct net_device *netdev, 1763 struct ethtool_modinfo *modinfo) 1764 { 1765 #define HNS3_SFF_8636_V1_3 0x03 1766 1767 struct hnae3_handle *handle = hns3_get_handle(netdev); 1768 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1769 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1770 struct hns3_sfp_type sfp_type; 1771 int ret; 1772 1773 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1774 !ops->get_module_eeprom) 1775 return -EOPNOTSUPP; 1776 1777 memset(&sfp_type, 0, sizeof(sfp_type)); 1778 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1779 (u8 *)&sfp_type); 1780 if (ret) 1781 return ret; 1782 1783 switch (sfp_type.type) { 1784 case SFF8024_ID_SFP: 1785 modinfo->type = ETH_MODULE_SFF_8472; 1786 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1787 break; 1788 case SFF8024_ID_QSFP_8438: 1789 modinfo->type = ETH_MODULE_SFF_8436; 1790 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1791 break; 1792 case SFF8024_ID_QSFP_8436_8636: 1793 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1794 modinfo->type = ETH_MODULE_SFF_8436; 1795 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1796 } else { 1797 modinfo->type = ETH_MODULE_SFF_8636; 1798 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1799 } 1800 break; 1801 case SFF8024_ID_QSFP28_8636: 1802 modinfo->type = ETH_MODULE_SFF_8636; 1803 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1804 break; 1805 default: 1806 netdev_err(netdev, "Optical module unknown: %#x\n", 1807 sfp_type.type); 1808 return -EINVAL; 1809 } 1810 1811 return 0; 1812 } 1813 1814 static int hns3_get_module_eeprom(struct net_device *netdev, 1815 struct ethtool_eeprom *ee, u8 *data) 1816 { 1817 struct hnae3_handle *handle = hns3_get_handle(netdev); 1818 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 1819 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 1820 1821 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1822 !ops->get_module_eeprom) 1823 return -EOPNOTSUPP; 1824 1825 if (!ee->len) 1826 return -EINVAL; 1827 1828 memset(data, 0, ee->len); 1829 1830 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1831 } 1832 1833 static u32 hns3_get_priv_flags(struct net_device *netdev) 1834 { 1835 struct hnae3_handle *handle = hns3_get_handle(netdev); 1836 1837 return handle->priv_flags; 1838 } 1839 1840 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1841 { 1842 u32 i; 1843 1844 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1845 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1846 netdev_err(h->netdev, "%s is unsupported\n", 1847 hns3_priv_flags[i].name); 1848 return -EOPNOTSUPP; 1849 } 1850 1851 return 0; 1852 } 1853 1854 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1855 { 1856 struct hnae3_handle *handle = hns3_get_handle(netdev); 1857 u32 changed = pflags ^ handle->priv_flags; 1858 int ret; 1859 u32 i; 1860 1861 ret = hns3_check_priv_flags(handle, changed); 1862 if (ret) 1863 return ret; 1864 1865 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1866 if (changed & BIT(i)) { 1867 bool enable = !(handle->priv_flags & BIT(i)); 1868 1869 if (enable) 1870 handle->priv_flags |= BIT(i); 1871 else 1872 handle->priv_flags &= ~BIT(i); 1873 hns3_priv_flags[i].handler(netdev, enable); 1874 } 1875 } 1876 1877 return 0; 1878 } 1879 1880 static int hns3_get_tunable(struct net_device *netdev, 1881 const struct ethtool_tunable *tuna, 1882 void *data) 1883 { 1884 struct hns3_nic_priv *priv = netdev_priv(netdev); 1885 struct hnae3_handle *h = priv->ae_handle; 1886 int ret = 0; 1887 1888 switch (tuna->id) { 1889 case ETHTOOL_TX_COPYBREAK: 1890 /* all the tx rings have the same tx_copybreak */ 1891 *(u32 *)data = priv->tx_copybreak; 1892 break; 1893 case ETHTOOL_RX_COPYBREAK: 1894 *(u32 *)data = priv->rx_copybreak; 1895 break; 1896 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1897 *(u32 *)data = h->kinfo.tx_spare_buf_size; 1898 break; 1899 default: 1900 ret = -EOPNOTSUPP; 1901 break; 1902 } 1903 1904 return ret; 1905 } 1906 1907 static int hns3_set_tx_spare_buf_size(struct net_device *netdev, 1908 u32 data) 1909 { 1910 struct hns3_nic_priv *priv = netdev_priv(netdev); 1911 struct hnae3_handle *h = priv->ae_handle; 1912 int ret; 1913 1914 h->kinfo.tx_spare_buf_size = data; 1915 1916 ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT); 1917 if (ret) 1918 return ret; 1919 1920 ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1921 if (ret) 1922 return ret; 1923 1924 ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT); 1925 if (ret) 1926 return ret; 1927 1928 ret = hns3_reset_notify(h, HNAE3_UP_CLIENT); 1929 if (ret) 1930 hns3_reset_notify(h, HNAE3_UNINIT_CLIENT); 1931 1932 return ret; 1933 } 1934 1935 static int hns3_check_tx_copybreak(struct net_device *netdev, u32 copybreak) 1936 { 1937 struct hns3_nic_priv *priv = netdev_priv(netdev); 1938 1939 if (copybreak < priv->min_tx_copybreak) { 1940 netdev_err(netdev, "tx copybreak %u should be no less than %u!\n", 1941 copybreak, priv->min_tx_copybreak); 1942 return -EINVAL; 1943 } 1944 return 0; 1945 } 1946 1947 static int hns3_check_tx_spare_buf_size(struct net_device *netdev, u32 buf_size) 1948 { 1949 struct hns3_nic_priv *priv = netdev_priv(netdev); 1950 1951 if (buf_size < priv->min_tx_spare_buf_size) { 1952 netdev_err(netdev, 1953 "tx spare buf size %u should be no less than %u!\n", 1954 buf_size, priv->min_tx_spare_buf_size); 1955 return -EINVAL; 1956 } 1957 return 0; 1958 } 1959 1960 static int hns3_set_tunable(struct net_device *netdev, 1961 const struct ethtool_tunable *tuna, 1962 const void *data) 1963 { 1964 struct hns3_nic_priv *priv = netdev_priv(netdev); 1965 u32 old_tx_spare_buf_size, new_tx_spare_buf_size; 1966 struct hnae3_handle *h = priv->ae_handle; 1967 int i, ret = 0; 1968 1969 if (hns3_nic_resetting(netdev) || !priv->ring) { 1970 netdev_err(netdev, "failed to set tunable value, dev resetting!\n"); 1971 return -EBUSY; 1972 } 1973 1974 switch (tuna->id) { 1975 case ETHTOOL_TX_COPYBREAK: 1976 ret = hns3_check_tx_copybreak(netdev, *(u32 *)data); 1977 if (ret) 1978 return ret; 1979 1980 priv->tx_copybreak = *(u32 *)data; 1981 1982 for (i = 0; i < h->kinfo.num_tqps; i++) 1983 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1984 1985 break; 1986 case ETHTOOL_RX_COPYBREAK: 1987 priv->rx_copybreak = *(u32 *)data; 1988 1989 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1990 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1991 1992 break; 1993 case ETHTOOL_TX_COPYBREAK_BUF_SIZE: 1994 ret = hns3_check_tx_spare_buf_size(netdev, *(u32 *)data); 1995 if (ret) 1996 return ret; 1997 1998 old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size; 1999 new_tx_spare_buf_size = *(u32 *)data; 2000 netdev_info(netdev, "request to set tx spare buf size from %u to %u\n", 2001 old_tx_spare_buf_size, new_tx_spare_buf_size); 2002 ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size); 2003 if (ret || 2004 (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) { 2005 int ret1; 2006 2007 netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n"); 2008 ret1 = hns3_set_tx_spare_buf_size(netdev, 2009 old_tx_spare_buf_size); 2010 if (ret1) { 2011 netdev_err(netdev, "revert to old tx spare buf size fail\n"); 2012 return ret1; 2013 } 2014 2015 return ret; 2016 } 2017 2018 if (!priv->ring->tx_spare) 2019 netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n"); 2020 else 2021 netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n", 2022 priv->ring->tx_spare->len); 2023 2024 break; 2025 default: 2026 ret = -EOPNOTSUPP; 2027 break; 2028 } 2029 2030 return ret; 2031 } 2032 2033 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 2034 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 2035 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 2036 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 2037 ETHTOOL_COALESCE_MAX_FRAMES | \ 2038 ETHTOOL_COALESCE_USE_CQE) 2039 2040 #define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \ 2041 ETHTOOL_RING_USE_TX_PUSH) 2042 2043 static int hns3_get_ts_info(struct net_device *netdev, 2044 struct kernel_ethtool_ts_info *info) 2045 { 2046 struct hnae3_handle *handle = hns3_get_handle(netdev); 2047 2048 if (handle->ae_algo->ops->get_ts_info) 2049 return handle->ae_algo->ops->get_ts_info(handle, info); 2050 2051 return ethtool_op_get_ts_info(netdev, info); 2052 } 2053 2054 static const struct hns3_ethtool_link_ext_state_mapping 2055 hns3_link_ext_state_map[] = { 2056 {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2057 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 2058 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2059 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 2060 2061 {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2062 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 2063 {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2064 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 2065 {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2066 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 2067 2068 {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2069 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 2070 {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2071 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 2072 {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2073 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 2074 2075 {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2076 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 2077 {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2078 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, 2079 {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2080 ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, 2081 2082 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 2083 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2084 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2085 2086 {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 2087 }; 2088 2089 static int hns3_get_link_ext_state(struct net_device *netdev, 2090 struct ethtool_link_ext_state_info *info) 2091 { 2092 const struct hns3_ethtool_link_ext_state_mapping *map; 2093 struct hnae3_handle *h = hns3_get_handle(netdev); 2094 u32 status_code, i; 2095 int ret; 2096 2097 if (netif_carrier_ok(netdev)) 2098 return -ENODATA; 2099 2100 if (!h->ae_algo->ops->get_link_diagnosis_info) 2101 return -EOPNOTSUPP; 2102 2103 ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); 2104 if (ret) 2105 return ret; 2106 2107 for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { 2108 map = &hns3_link_ext_state_map[i]; 2109 if (map->status_code == status_code) { 2110 info->link_ext_state = map->link_ext_state; 2111 info->__link_ext_substate = map->link_ext_substate; 2112 return 0; 2113 } 2114 } 2115 2116 return -ENODATA; 2117 } 2118 2119 static void hns3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 2120 { 2121 struct hnae3_handle *handle = hns3_get_handle(netdev); 2122 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2123 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2124 2125 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2126 return; 2127 2128 ops->get_wol(handle, wol); 2129 } 2130 2131 static int hns3_set_wol(struct net_device *netdev, 2132 struct ethtool_wolinfo *wol) 2133 { 2134 struct hnae3_handle *handle = hns3_get_handle(netdev); 2135 const struct hnae3_ae_ops *ops = hns3_get_ops(handle); 2136 struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); 2137 2138 if (!hnae3_ae_dev_wol_supported(ae_dev)) 2139 return -EOPNOTSUPP; 2140 2141 return ops->set_wol(handle, wol); 2142 } 2143 2144 static const struct ethtool_ops hns3vf_ethtool_ops = { 2145 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2146 .supported_ring_params = HNS3_ETHTOOL_RING, 2147 .get_drvinfo = hns3_get_drvinfo, 2148 .get_ringparam = hns3_get_ringparam, 2149 .set_ringparam = hns3_set_ringparam, 2150 .get_strings = hns3_get_strings, 2151 .get_ethtool_stats = hns3_get_stats, 2152 .get_sset_count = hns3_get_sset_count, 2153 .get_rxnfc = hns3_get_rxnfc, 2154 .set_rxnfc = hns3_set_rxnfc, 2155 .get_rx_ring_count = hns3_get_rx_ring_count, 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 .get_channels = hns3_get_channels, 2164 .set_channels = hns3_set_channels, 2165 .get_coalesce = hns3_get_coalesce, 2166 .set_coalesce = hns3_set_coalesce, 2167 .get_regs_len = hns3_get_regs_len, 2168 .get_regs = hns3_get_regs, 2169 .get_link = hns3_get_link, 2170 .get_msglevel = hns3_get_msglevel, 2171 .set_msglevel = hns3_set_msglevel, 2172 .get_priv_flags = hns3_get_priv_flags, 2173 .set_priv_flags = hns3_set_priv_flags, 2174 .get_tunable = hns3_get_tunable, 2175 .set_tunable = hns3_set_tunable, 2176 .reset = hns3_set_reset, 2177 }; 2178 2179 static const struct ethtool_ops hns3_ethtool_ops = { 2180 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2181 .supported_ring_params = HNS3_ETHTOOL_RING, 2182 .cap_link_lanes_supported = true, 2183 .self_test = hns3_self_test, 2184 .get_drvinfo = hns3_get_drvinfo, 2185 .get_link = hns3_get_link, 2186 .get_ringparam = hns3_get_ringparam, 2187 .set_ringparam = hns3_set_ringparam, 2188 .get_pauseparam = hns3_get_pauseparam, 2189 .set_pauseparam = hns3_set_pauseparam, 2190 .get_strings = hns3_get_strings, 2191 .get_ethtool_stats = hns3_get_stats, 2192 .get_sset_count = hns3_get_sset_count, 2193 .get_rxnfc = hns3_get_rxnfc, 2194 .set_rxnfc = hns3_set_rxnfc, 2195 .get_rx_ring_count = hns3_get_rx_ring_count, 2196 .get_rxfh_key_size = hns3_get_rss_key_size, 2197 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2198 .get_rxfh = hns3_get_rss, 2199 .set_rxfh = hns3_set_rss, 2200 .get_rxfh_fields = hns3_get_rxfh_fields, 2201 .set_rxfh_fields = hns3_set_rxfh_fields, 2202 .get_link_ksettings = hns3_get_link_ksettings, 2203 .set_link_ksettings = hns3_set_link_ksettings, 2204 .nway_reset = hns3_nway_reset, 2205 .get_channels = hns3_get_channels, 2206 .set_channels = hns3_set_channels, 2207 .get_coalesce = hns3_get_coalesce, 2208 .set_coalesce = hns3_set_coalesce, 2209 .get_regs_len = hns3_get_regs_len, 2210 .get_regs = hns3_get_regs, 2211 .set_phys_id = hns3_set_phys_id, 2212 .get_msglevel = hns3_get_msglevel, 2213 .set_msglevel = hns3_set_msglevel, 2214 .get_fecparam = hns3_get_fecparam, 2215 .set_fecparam = hns3_set_fecparam, 2216 .get_fec_stats = hns3_get_fec_stats, 2217 .get_module_info = hns3_get_module_info, 2218 .get_module_eeprom = hns3_get_module_eeprom, 2219 .get_priv_flags = hns3_get_priv_flags, 2220 .set_priv_flags = hns3_set_priv_flags, 2221 .get_ts_info = hns3_get_ts_info, 2222 .get_tunable = hns3_get_tunable, 2223 .set_tunable = hns3_set_tunable, 2224 .reset = hns3_set_reset, 2225 .get_link_ext_state = hns3_get_link_ext_state, 2226 .get_wol = hns3_get_wol, 2227 .set_wol = hns3_set_wol, 2228 }; 2229 2230 void hns3_ethtool_set_ops(struct net_device *netdev) 2231 { 2232 struct hnae3_handle *h = hns3_get_handle(netdev); 2233 2234 if (h->flags & HNAE3_SUPPORT_VF) 2235 netdev->ethtool_ops = &hns3vf_ethtool_ops; 2236 else 2237 netdev->ethtool_ops = &hns3_ethtool_ops; 2238 } 2239