1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/string.h> 6 #include <linux/phy.h> 7 #include <linux/sfp.h> 8 9 #include "hns3_enet.h" 10 11 struct hns3_stats { 12 char stats_string[ETH_GSTRING_LEN]; 13 int stats_offset; 14 }; 15 16 struct hns3_sfp_type { 17 u8 type; 18 u8 ext_type; 19 }; 20 21 struct hns3_pflag_desc { 22 char name[ETH_GSTRING_LEN]; 23 void (*handler)(struct net_device *netdev, bool enable); 24 }; 25 26 /* tqp related stats */ 27 #define HNS3_TQP_STAT(_string, _member) { \ 28 .stats_string = _string, \ 29 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 30 offsetof(struct ring_stats, _member), \ 31 } 32 33 static const struct hns3_stats hns3_txq_stats[] = { 34 /* Tx per-queue statistics */ 35 HNS3_TQP_STAT("dropped", sw_err_cnt), 36 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 37 HNS3_TQP_STAT("packets", tx_pkts), 38 HNS3_TQP_STAT("bytes", tx_bytes), 39 HNS3_TQP_STAT("more", tx_more), 40 HNS3_TQP_STAT("wake", restart_queue), 41 HNS3_TQP_STAT("busy", tx_busy), 42 HNS3_TQP_STAT("copy", tx_copy), 43 HNS3_TQP_STAT("vlan_err", tx_vlan_err), 44 HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err), 45 HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err), 46 HNS3_TQP_STAT("tso_err", tx_tso_err), 47 HNS3_TQP_STAT("over_max_recursion", over_max_recursion), 48 HNS3_TQP_STAT("hw_limitation", hw_limitation), 49 HNS3_TQP_STAT("bounce", tx_bounce), 50 HNS3_TQP_STAT("spare_full", tx_spare_full), 51 HNS3_TQP_STAT("copy_bits_err", copy_bits_err), 52 HNS3_TQP_STAT("sgl", tx_sgl), 53 HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err), 54 HNS3_TQP_STAT("map_sg_err", map_sg_err), 55 }; 56 57 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 58 59 static const struct hns3_stats hns3_rxq_stats[] = { 60 /* Rx per-queue statistics */ 61 HNS3_TQP_STAT("dropped", sw_err_cnt), 62 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 63 HNS3_TQP_STAT("packets", rx_pkts), 64 HNS3_TQP_STAT("bytes", rx_bytes), 65 HNS3_TQP_STAT("errors", rx_err_cnt), 66 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 67 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 68 HNS3_TQP_STAT("err_bd_num", err_bd_num), 69 HNS3_TQP_STAT("l2_err", l2_err), 70 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 71 HNS3_TQP_STAT("csum_complete", csum_complete), 72 HNS3_TQP_STAT("multicast", rx_multicast), 73 HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg), 74 HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err), 75 HNS3_TQP_STAT("frag_alloc", frag_alloc), 76 }; 77 78 #define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags) 79 80 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 81 82 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 83 84 #define HNS3_SELF_TEST_TYPE_NUM 4 85 #define HNS3_NIC_LB_TEST_PKT_NUM 1 86 #define HNS3_NIC_LB_TEST_RING_ID 0 87 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 88 #define HNS3_NIC_LB_SETUP_USEC 10000 89 90 /* Nic loopback test err */ 91 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 92 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 93 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 94 95 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) 96 { 97 struct hnae3_handle *h = hns3_get_handle(ndev); 98 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 99 int ret; 100 101 if (!h->ae_algo->ops->set_loopback || 102 !h->ae_algo->ops->set_promisc_mode) 103 return -EOPNOTSUPP; 104 105 switch (loop) { 106 case HNAE3_LOOP_SERIAL_SERDES: 107 case HNAE3_LOOP_PARALLEL_SERDES: 108 case HNAE3_LOOP_APP: 109 case HNAE3_LOOP_PHY: 110 ret = h->ae_algo->ops->set_loopback(h, loop, en); 111 break; 112 default: 113 ret = -ENOTSUPP; 114 break; 115 } 116 117 if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 118 return ret; 119 120 if (en) 121 h->ae_algo->ops->set_promisc_mode(h, true, true); 122 else 123 /* recover promisc mode before loopback test */ 124 hns3_request_update_promisc_mode(h); 125 126 return ret; 127 } 128 129 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 130 { 131 struct hnae3_handle *h = hns3_get_handle(ndev); 132 int ret; 133 134 ret = hns3_nic_reset_all_ring(h); 135 if (ret) 136 return ret; 137 138 ret = hns3_lp_setup(ndev, loop_mode, true); 139 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 140 141 return ret; 142 } 143 144 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) 145 { 146 int ret; 147 148 ret = hns3_lp_setup(ndev, loop_mode, false); 149 if (ret) { 150 netdev_err(ndev, "lb_setup return error: %d\n", ret); 151 return ret; 152 } 153 154 usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2); 155 156 return 0; 157 } 158 159 static void hns3_lp_setup_skb(struct sk_buff *skb) 160 { 161 #define HNS3_NIC_LB_DST_MAC_ADDR 0x1f 162 163 struct net_device *ndev = skb->dev; 164 struct hnae3_handle *handle; 165 struct hnae3_ae_dev *ae_dev; 166 unsigned char *packet; 167 struct ethhdr *ethh; 168 unsigned int i; 169 170 skb_reserve(skb, NET_IP_ALIGN); 171 ethh = skb_put(skb, sizeof(struct ethhdr)); 172 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 173 174 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 175 176 /* The dst mac addr of loopback packet is the same as the host' 177 * mac addr, the SSU component may loop back the packet to host 178 * before the packet reaches mac or serdes, which will defect 179 * the purpose of mac or serdes selftest. 180 */ 181 handle = hns3_get_handle(ndev); 182 ae_dev = pci_get_drvdata(handle->pdev); 183 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 184 ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR; 185 eth_zero_addr(ethh->h_source); 186 ethh->h_proto = htons(ETH_P_ARP); 187 skb_reset_mac_header(skb); 188 189 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 190 packet[i] = (unsigned char)(i & 0xff); 191 } 192 193 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 194 struct sk_buff *skb) 195 { 196 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 197 unsigned char *packet = skb->data; 198 u32 len = skb_headlen(skb); 199 u32 i; 200 201 len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE); 202 203 for (i = 0; i < len; i++) 204 if (packet[i] != (unsigned char)(i & 0xff)) 205 break; 206 207 /* The packet is correctly received */ 208 if (i == HNS3_NIC_LB_TEST_PACKET_SIZE) 209 tqp_vector->rx_group.total_packets++; 210 else 211 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 212 skb->data, len, true); 213 214 dev_kfree_skb_any(skb); 215 } 216 217 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 218 { 219 struct hnae3_handle *h = priv->ae_handle; 220 struct hnae3_knic_private_info *kinfo; 221 u32 i, rcv_good_pkt_total = 0; 222 223 kinfo = &h->kinfo; 224 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 225 struct hns3_enet_ring *ring = &priv->ring[i]; 226 struct hns3_enet_ring_group *rx_group; 227 u64 pre_rx_pkt; 228 229 rx_group = &ring->tqp_vector->rx_group; 230 pre_rx_pkt = rx_group->total_packets; 231 232 preempt_disable(); 233 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 234 preempt_enable(); 235 236 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 237 rx_group->total_packets = pre_rx_pkt; 238 } 239 return rcv_good_pkt_total; 240 } 241 242 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 243 u32 end_ringid, u32 budget) 244 { 245 u32 i; 246 247 for (i = start_ringid; i <= end_ringid; i++) { 248 struct hns3_enet_ring *ring = &priv->ring[i]; 249 250 hns3_clean_tx_ring(ring, 0); 251 } 252 } 253 254 /** 255 * hns3_lp_run_test - run loopback test 256 * @ndev: net device 257 * @mode: loopback type 258 */ 259 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 260 { 261 struct hns3_nic_priv *priv = netdev_priv(ndev); 262 struct sk_buff *skb; 263 u32 i, good_cnt; 264 int ret_val = 0; 265 266 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 267 GFP_KERNEL); 268 if (!skb) 269 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 270 271 skb->dev = ndev; 272 hns3_lp_setup_skb(skb); 273 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 274 275 good_cnt = 0; 276 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 277 netdev_tx_t tx_ret; 278 279 skb_get(skb); 280 tx_ret = hns3_nic_net_xmit(skb, ndev); 281 if (tx_ret == NETDEV_TX_OK) { 282 good_cnt++; 283 } else { 284 kfree_skb(skb); 285 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 286 tx_ret); 287 } 288 } 289 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 290 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 291 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 292 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 293 goto out; 294 } 295 296 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 297 msleep(200); 298 299 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 300 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 301 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 302 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 303 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 304 } 305 306 out: 307 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 308 HNS3_NIC_LB_TEST_RING_ID, 309 HNS3_NIC_LB_TEST_PKT_NUM); 310 311 kfree_skb(skb); 312 return ret_val; 313 } 314 315 /** 316 * hns3_self_test - self test 317 * @ndev: net device 318 * @eth_test: test cmd 319 * @data: test result 320 */ 321 static void hns3_self_test(struct net_device *ndev, 322 struct ethtool_test *eth_test, u64 *data) 323 { 324 struct hns3_nic_priv *priv = netdev_priv(ndev); 325 struct hnae3_handle *h = priv->ae_handle; 326 int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; 327 bool if_running = netif_running(ndev); 328 int test_index = 0; 329 u32 i; 330 331 if (hns3_nic_resetting(ndev)) { 332 netdev_err(ndev, "dev resetting!"); 333 return; 334 } 335 336 /* Only do offline selftest, or pass by default */ 337 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 338 return; 339 340 netif_dbg(h, drv, ndev, "self test start"); 341 342 st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; 343 st_param[HNAE3_LOOP_APP][1] = 344 h->flags & HNAE3_SUPPORT_APP_LOOPBACK; 345 346 st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; 347 st_param[HNAE3_LOOP_SERIAL_SERDES][1] = 348 h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; 349 350 st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = 351 HNAE3_LOOP_PARALLEL_SERDES; 352 st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = 353 h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; 354 355 st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY; 356 st_param[HNAE3_LOOP_PHY][1] = 357 h->flags & HNAE3_SUPPORT_PHY_LOOPBACK; 358 359 if (if_running) 360 ndev->netdev_ops->ndo_stop(ndev); 361 362 #if IS_ENABLED(CONFIG_VLAN_8021Q) 363 /* Disable the vlan filter for selftest does not support it */ 364 if (h->ae_algo->ops->enable_vlan_filter) 365 h->ae_algo->ops->enable_vlan_filter(h, false); 366 #endif 367 368 /* Tell firmware to stop mac autoneg before loopback test start, 369 * otherwise loopback test may be failed when the port is still 370 * negotiating. 371 */ 372 if (h->ae_algo->ops->halt_autoneg) 373 h->ae_algo->ops->halt_autoneg(h, true); 374 375 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 376 377 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { 378 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 379 380 if (!st_param[i][1]) 381 continue; 382 383 data[test_index] = hns3_lp_up(ndev, loop_type); 384 if (!data[test_index]) 385 data[test_index] = hns3_lp_run_test(ndev, loop_type); 386 387 hns3_lp_down(ndev, loop_type); 388 389 if (data[test_index]) 390 eth_test->flags |= ETH_TEST_FL_FAILED; 391 392 test_index++; 393 } 394 395 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 396 397 if (h->ae_algo->ops->halt_autoneg) 398 h->ae_algo->ops->halt_autoneg(h, false); 399 400 #if IS_ENABLED(CONFIG_VLAN_8021Q) 401 if (h->ae_algo->ops->enable_vlan_filter) 402 h->ae_algo->ops->enable_vlan_filter(h, true); 403 #endif 404 405 if (if_running) 406 ndev->netdev_ops->ndo_open(ndev); 407 408 netif_dbg(h, drv, ndev, "self test end\n"); 409 } 410 411 static void hns3_update_limit_promisc_mode(struct net_device *netdev, 412 bool enable) 413 { 414 struct hnae3_handle *handle = hns3_get_handle(netdev); 415 416 if (enable) 417 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 418 else 419 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags); 420 421 hns3_request_update_promisc_mode(handle); 422 } 423 424 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = { 425 { "limit_promisc", hns3_update_limit_promisc_mode } 426 }; 427 428 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 429 { 430 struct hnae3_handle *h = hns3_get_handle(netdev); 431 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 432 433 if (!ops->get_sset_count) 434 return -EOPNOTSUPP; 435 436 switch (stringset) { 437 case ETH_SS_STATS: 438 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 439 ops->get_sset_count(h, stringset)); 440 441 case ETH_SS_TEST: 442 return ops->get_sset_count(h, stringset); 443 444 case ETH_SS_PRIV_FLAGS: 445 return HNAE3_PFLAG_MAX; 446 447 default: 448 return -EOPNOTSUPP; 449 } 450 } 451 452 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 453 u32 stat_count, u32 num_tqps, const char *prefix) 454 { 455 #define MAX_PREFIX_SIZE (6 + 4) 456 u32 size_left; 457 u32 i, j; 458 u32 n1; 459 460 for (i = 0; i < num_tqps; i++) { 461 for (j = 0; j < stat_count; j++) { 462 data[ETH_GSTRING_LEN - 1] = '\0'; 463 464 /* first, prepend the prefix string */ 465 n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_", 466 prefix, i); 467 size_left = (ETH_GSTRING_LEN - 1) - n1; 468 469 /* now, concatenate the stats string to it */ 470 strncat(data, stats[j].stats_string, size_left); 471 data += ETH_GSTRING_LEN; 472 } 473 } 474 475 return data; 476 } 477 478 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 479 { 480 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 481 const char tx_prefix[] = "txq"; 482 const char rx_prefix[] = "rxq"; 483 484 /* get strings for Tx */ 485 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 486 kinfo->num_tqps, tx_prefix); 487 488 /* get strings for Rx */ 489 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 490 kinfo->num_tqps, rx_prefix); 491 492 return data; 493 } 494 495 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 496 { 497 struct hnae3_handle *h = hns3_get_handle(netdev); 498 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 499 char *buff = (char *)data; 500 int i; 501 502 if (!ops->get_strings) 503 return; 504 505 switch (stringset) { 506 case ETH_SS_STATS: 507 buff = hns3_get_strings_tqps(h, buff); 508 ops->get_strings(h, stringset, (u8 *)buff); 509 break; 510 case ETH_SS_TEST: 511 ops->get_strings(h, stringset, data); 512 break; 513 case ETH_SS_PRIV_FLAGS: 514 for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) { 515 snprintf(buff, ETH_GSTRING_LEN, "%s", 516 hns3_priv_flags[i].name); 517 buff += ETH_GSTRING_LEN; 518 } 519 break; 520 default: 521 break; 522 } 523 } 524 525 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 526 { 527 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 528 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 529 struct hns3_enet_ring *ring; 530 u8 *stat; 531 int i, j; 532 533 /* get stats for Tx */ 534 for (i = 0; i < kinfo->num_tqps; i++) { 535 ring = &nic_priv->ring[i]; 536 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 537 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 538 *data++ = *(u64 *)stat; 539 } 540 } 541 542 /* get stats for Rx */ 543 for (i = 0; i < kinfo->num_tqps; i++) { 544 ring = &nic_priv->ring[i + kinfo->num_tqps]; 545 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 546 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 547 *data++ = *(u64 *)stat; 548 } 549 } 550 551 return data; 552 } 553 554 /* hns3_get_stats - get detail statistics. 555 * @netdev: net device 556 * @stats: statistics info. 557 * @data: statistics data. 558 */ 559 static void hns3_get_stats(struct net_device *netdev, 560 struct ethtool_stats *stats, u64 *data) 561 { 562 struct hnae3_handle *h = hns3_get_handle(netdev); 563 u64 *p = data; 564 565 if (hns3_nic_resetting(netdev)) { 566 netdev_err(netdev, "dev resetting, could not get stats\n"); 567 return; 568 } 569 570 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 571 netdev_err(netdev, "could not get any statistics\n"); 572 return; 573 } 574 575 h->ae_algo->ops->update_stats(h, &netdev->stats); 576 577 /* get per-queue stats */ 578 p = hns3_get_stats_tqps(h, p); 579 580 /* get MAC & other misc hardware stats */ 581 h->ae_algo->ops->get_stats(h, p); 582 } 583 584 static void hns3_get_drvinfo(struct net_device *netdev, 585 struct ethtool_drvinfo *drvinfo) 586 { 587 struct hns3_nic_priv *priv = netdev_priv(netdev); 588 struct hnae3_handle *h = priv->ae_handle; 589 u32 fw_version; 590 591 if (!h->ae_algo->ops->get_fw_version) { 592 netdev_err(netdev, "could not get fw version!\n"); 593 return; 594 } 595 596 strncpy(drvinfo->driver, h->pdev->driver->name, 597 sizeof(drvinfo->driver)); 598 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 599 600 strncpy(drvinfo->bus_info, pci_name(h->pdev), 601 sizeof(drvinfo->bus_info)); 602 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 603 604 fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h); 605 606 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 607 "%lu.%lu.%lu.%lu", 608 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK, 609 HNAE3_FW_VERSION_BYTE3_SHIFT), 610 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK, 611 HNAE3_FW_VERSION_BYTE2_SHIFT), 612 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK, 613 HNAE3_FW_VERSION_BYTE1_SHIFT), 614 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK, 615 HNAE3_FW_VERSION_BYTE0_SHIFT)); 616 } 617 618 static u32 hns3_get_link(struct net_device *netdev) 619 { 620 struct hnae3_handle *h = hns3_get_handle(netdev); 621 622 if (h->ae_algo->ops->get_status) 623 return h->ae_algo->ops->get_status(h); 624 else 625 return 0; 626 } 627 628 static void hns3_get_ringparam(struct net_device *netdev, 629 struct ethtool_ringparam *param) 630 { 631 struct hns3_nic_priv *priv = netdev_priv(netdev); 632 struct hnae3_handle *h = priv->ae_handle; 633 int queue_num = h->kinfo.num_tqps; 634 635 if (hns3_nic_resetting(netdev)) { 636 netdev_err(netdev, "dev resetting!"); 637 return; 638 } 639 640 param->tx_max_pending = HNS3_RING_MAX_PENDING; 641 param->rx_max_pending = HNS3_RING_MAX_PENDING; 642 643 param->tx_pending = priv->ring[0].desc_num; 644 param->rx_pending = priv->ring[queue_num].desc_num; 645 } 646 647 static void hns3_get_pauseparam(struct net_device *netdev, 648 struct ethtool_pauseparam *param) 649 { 650 struct hnae3_handle *h = hns3_get_handle(netdev); 651 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 652 653 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 654 return; 655 656 if (h->ae_algo->ops->get_pauseparam) 657 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 658 ¶m->rx_pause, ¶m->tx_pause); 659 } 660 661 static int hns3_set_pauseparam(struct net_device *netdev, 662 struct ethtool_pauseparam *param) 663 { 664 struct hnae3_handle *h = hns3_get_handle(netdev); 665 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 666 667 if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps)) 668 return -EOPNOTSUPP; 669 670 netif_dbg(h, drv, netdev, 671 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n", 672 param->autoneg, param->rx_pause, param->tx_pause); 673 674 if (h->ae_algo->ops->set_pauseparam) 675 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 676 param->rx_pause, 677 param->tx_pause); 678 return -EOPNOTSUPP; 679 } 680 681 static void hns3_get_ksettings(struct hnae3_handle *h, 682 struct ethtool_link_ksettings *cmd) 683 { 684 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 685 686 /* 1.auto_neg & speed & duplex from cmd */ 687 if (ops->get_ksettings_an_result) 688 ops->get_ksettings_an_result(h, 689 &cmd->base.autoneg, 690 &cmd->base.speed, 691 &cmd->base.duplex); 692 693 /* 2.get link mode */ 694 if (ops->get_link_mode) 695 ops->get_link_mode(h, 696 cmd->link_modes.supported, 697 cmd->link_modes.advertising); 698 699 /* 3.mdix_ctrl&mdix get from phy reg */ 700 if (ops->get_mdix_mode) 701 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 702 &cmd->base.eth_tp_mdix); 703 } 704 705 static int hns3_get_link_ksettings(struct net_device *netdev, 706 struct ethtool_link_ksettings *cmd) 707 { 708 struct hnae3_handle *h = hns3_get_handle(netdev); 709 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 710 const struct hnae3_ae_ops *ops; 711 u8 module_type; 712 u8 media_type; 713 u8 link_stat; 714 715 ops = h->ae_algo->ops; 716 if (ops->get_media_type) 717 ops->get_media_type(h, &media_type, &module_type); 718 else 719 return -EOPNOTSUPP; 720 721 switch (media_type) { 722 case HNAE3_MEDIA_TYPE_NONE: 723 cmd->base.port = PORT_NONE; 724 hns3_get_ksettings(h, cmd); 725 break; 726 case HNAE3_MEDIA_TYPE_FIBER: 727 if (module_type == HNAE3_MODULE_TYPE_CR) 728 cmd->base.port = PORT_DA; 729 else 730 cmd->base.port = PORT_FIBRE; 731 732 hns3_get_ksettings(h, cmd); 733 break; 734 case HNAE3_MEDIA_TYPE_BACKPLANE: 735 cmd->base.port = PORT_NONE; 736 hns3_get_ksettings(h, cmd); 737 break; 738 case HNAE3_MEDIA_TYPE_COPPER: 739 cmd->base.port = PORT_TP; 740 if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 741 ops->get_phy_link_ksettings) 742 ops->get_phy_link_ksettings(h, cmd); 743 else if (!netdev->phydev) 744 hns3_get_ksettings(h, cmd); 745 else 746 phy_ethtool_ksettings_get(netdev->phydev, cmd); 747 break; 748 default: 749 750 netdev_warn(netdev, "Unknown media type"); 751 return 0; 752 } 753 754 /* mdio_support */ 755 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 756 757 link_stat = hns3_get_link(netdev); 758 if (!link_stat) { 759 cmd->base.speed = SPEED_UNKNOWN; 760 cmd->base.duplex = DUPLEX_UNKNOWN; 761 } 762 763 return 0; 764 } 765 766 static int hns3_check_ksettings_param(const struct net_device *netdev, 767 const struct ethtool_link_ksettings *cmd) 768 { 769 struct hnae3_handle *handle = hns3_get_handle(netdev); 770 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 771 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN; 772 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 773 u8 autoneg; 774 u32 speed; 775 u8 duplex; 776 int ret; 777 778 /* hw doesn't support use specified speed and duplex to negotiate, 779 * unnecessary to check them when autoneg on. 780 */ 781 if (cmd->base.autoneg) 782 return 0; 783 784 if (ops->get_ksettings_an_result) { 785 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex); 786 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed && 787 cmd->base.duplex == duplex) 788 return 0; 789 } 790 791 if (ops->get_media_type) 792 ops->get_media_type(handle, &media_type, &module_type); 793 794 if (cmd->base.duplex == DUPLEX_HALF && 795 media_type != HNAE3_MEDIA_TYPE_COPPER) { 796 netdev_err(netdev, 797 "only copper port supports half duplex!"); 798 return -EINVAL; 799 } 800 801 if (ops->check_port_speed) { 802 ret = ops->check_port_speed(handle, cmd->base.speed); 803 if (ret) { 804 netdev_err(netdev, "unsupported speed\n"); 805 return ret; 806 } 807 } 808 809 return 0; 810 } 811 812 static int hns3_set_link_ksettings(struct net_device *netdev, 813 const struct ethtool_link_ksettings *cmd) 814 { 815 struct hnae3_handle *handle = hns3_get_handle(netdev); 816 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 817 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 818 int ret; 819 820 /* Chip don't support this mode. */ 821 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) 822 return -EINVAL; 823 824 netif_dbg(handle, drv, netdev, 825 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n", 826 netdev->phydev ? "phy" : "mac", 827 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex); 828 829 /* Only support ksettings_set for netdev with phy attached for now */ 830 if (netdev->phydev) { 831 if (cmd->base.speed == SPEED_1000 && 832 cmd->base.autoneg == AUTONEG_DISABLE) 833 return -EINVAL; 834 835 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 836 } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) && 837 ops->set_phy_link_ksettings) { 838 return ops->set_phy_link_ksettings(handle, cmd); 839 } 840 841 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 842 return -EOPNOTSUPP; 843 844 ret = hns3_check_ksettings_param(netdev, cmd); 845 if (ret) 846 return ret; 847 848 if (ops->set_autoneg) { 849 ret = ops->set_autoneg(handle, cmd->base.autoneg); 850 if (ret) 851 return ret; 852 } 853 854 /* hw doesn't support use specified speed and duplex to negotiate, 855 * ignore them when autoneg on. 856 */ 857 if (cmd->base.autoneg) { 858 netdev_info(netdev, 859 "autoneg is on, ignore the speed and duplex\n"); 860 return 0; 861 } 862 863 if (ops->cfg_mac_speed_dup_h) 864 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed, 865 cmd->base.duplex); 866 867 return ret; 868 } 869 870 static u32 hns3_get_rss_key_size(struct net_device *netdev) 871 { 872 struct hnae3_handle *h = hns3_get_handle(netdev); 873 874 if (!h->ae_algo->ops->get_rss_key_size) 875 return 0; 876 877 return h->ae_algo->ops->get_rss_key_size(h); 878 } 879 880 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 881 { 882 struct hnae3_handle *h = hns3_get_handle(netdev); 883 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 884 885 return ae_dev->dev_specs.rss_ind_tbl_size; 886 } 887 888 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 889 u8 *hfunc) 890 { 891 struct hnae3_handle *h = hns3_get_handle(netdev); 892 893 if (!h->ae_algo->ops->get_rss) 894 return -EOPNOTSUPP; 895 896 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 897 } 898 899 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 900 const u8 *key, const u8 hfunc) 901 { 902 struct hnae3_handle *h = hns3_get_handle(netdev); 903 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 904 905 if (!h->ae_algo->ops->set_rss) 906 return -EOPNOTSUPP; 907 908 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 && 909 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && 910 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { 911 netdev_err(netdev, "hash func not supported\n"); 912 return -EOPNOTSUPP; 913 } 914 915 if (!indir) { 916 netdev_err(netdev, 917 "set rss failed for indir is empty\n"); 918 return -EOPNOTSUPP; 919 } 920 921 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 922 } 923 924 static int hns3_get_rxnfc(struct net_device *netdev, 925 struct ethtool_rxnfc *cmd, 926 u32 *rule_locs) 927 { 928 struct hnae3_handle *h = hns3_get_handle(netdev); 929 930 switch (cmd->cmd) { 931 case ETHTOOL_GRXRINGS: 932 cmd->data = h->kinfo.num_tqps; 933 return 0; 934 case ETHTOOL_GRXFH: 935 if (h->ae_algo->ops->get_rss_tuple) 936 return h->ae_algo->ops->get_rss_tuple(h, cmd); 937 return -EOPNOTSUPP; 938 case ETHTOOL_GRXCLSRLCNT: 939 if (h->ae_algo->ops->get_fd_rule_cnt) 940 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); 941 return -EOPNOTSUPP; 942 case ETHTOOL_GRXCLSRULE: 943 if (h->ae_algo->ops->get_fd_rule_info) 944 return h->ae_algo->ops->get_fd_rule_info(h, cmd); 945 return -EOPNOTSUPP; 946 case ETHTOOL_GRXCLSRLALL: 947 if (h->ae_algo->ops->get_fd_all_rules) 948 return h->ae_algo->ops->get_fd_all_rules(h, cmd, 949 rule_locs); 950 return -EOPNOTSUPP; 951 default: 952 return -EOPNOTSUPP; 953 } 954 } 955 956 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 957 u32 tx_desc_num, u32 rx_desc_num) 958 { 959 struct hnae3_handle *h = priv->ae_handle; 960 int i; 961 962 h->kinfo.num_tx_desc = tx_desc_num; 963 h->kinfo.num_rx_desc = rx_desc_num; 964 965 for (i = 0; i < h->kinfo.num_tqps; i++) { 966 priv->ring[i].desc_num = tx_desc_num; 967 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num; 968 } 969 } 970 971 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv) 972 { 973 struct hnae3_handle *handle = priv->ae_handle; 974 struct hns3_enet_ring *tmp_rings; 975 int i; 976 977 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2, 978 sizeof(struct hns3_enet_ring), GFP_KERNEL); 979 if (!tmp_rings) 980 return NULL; 981 982 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) { 983 memcpy(&tmp_rings[i], &priv->ring[i], 984 sizeof(struct hns3_enet_ring)); 985 tmp_rings[i].skb = NULL; 986 } 987 988 return tmp_rings; 989 } 990 991 static int hns3_check_ringparam(struct net_device *ndev, 992 struct ethtool_ringparam *param) 993 { 994 if (hns3_nic_resetting(ndev)) 995 return -EBUSY; 996 997 if (param->rx_mini_pending || param->rx_jumbo_pending) 998 return -EINVAL; 999 1000 if (param->tx_pending > HNS3_RING_MAX_PENDING || 1001 param->tx_pending < HNS3_RING_MIN_PENDING || 1002 param->rx_pending > HNS3_RING_MAX_PENDING || 1003 param->rx_pending < HNS3_RING_MIN_PENDING) { 1004 netdev_err(ndev, "Queue depth out of range [%d-%d]\n", 1005 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); 1006 return -EINVAL; 1007 } 1008 1009 return 0; 1010 } 1011 1012 static int hns3_set_ringparam(struct net_device *ndev, 1013 struct ethtool_ringparam *param) 1014 { 1015 struct hns3_nic_priv *priv = netdev_priv(ndev); 1016 struct hnae3_handle *h = priv->ae_handle; 1017 struct hns3_enet_ring *tmp_rings; 1018 bool if_running = netif_running(ndev); 1019 u32 old_tx_desc_num, new_tx_desc_num; 1020 u32 old_rx_desc_num, new_rx_desc_num; 1021 u16 queue_num = h->kinfo.num_tqps; 1022 int ret, i; 1023 1024 ret = hns3_check_ringparam(ndev, param); 1025 if (ret) 1026 return ret; 1027 1028 /* Hardware requires that its descriptors must be multiple of eight */ 1029 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); 1030 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); 1031 old_tx_desc_num = priv->ring[0].desc_num; 1032 old_rx_desc_num = priv->ring[queue_num].desc_num; 1033 if (old_tx_desc_num == new_tx_desc_num && 1034 old_rx_desc_num == new_rx_desc_num) 1035 return 0; 1036 1037 tmp_rings = hns3_backup_ringparam(priv); 1038 if (!tmp_rings) { 1039 netdev_err(ndev, 1040 "backup ring param failed by allocating memory fail\n"); 1041 return -ENOMEM; 1042 } 1043 1044 netdev_info(ndev, 1045 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n", 1046 old_tx_desc_num, old_rx_desc_num, 1047 new_tx_desc_num, new_rx_desc_num); 1048 1049 if (if_running) 1050 ndev->netdev_ops->ndo_stop(ndev); 1051 1052 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); 1053 ret = hns3_init_all_ring(priv); 1054 if (ret) { 1055 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n", 1056 ret); 1057 1058 hns3_change_all_ring_bd_num(priv, old_tx_desc_num, 1059 old_rx_desc_num); 1060 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1061 memcpy(&priv->ring[i], &tmp_rings[i], 1062 sizeof(struct hns3_enet_ring)); 1063 } else { 1064 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 1065 hns3_fini_ring(&tmp_rings[i]); 1066 } 1067 1068 kfree(tmp_rings); 1069 1070 if (if_running) 1071 ret = ndev->netdev_ops->ndo_open(ndev); 1072 1073 return ret; 1074 } 1075 1076 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1077 { 1078 struct hnae3_handle *h = hns3_get_handle(netdev); 1079 1080 switch (cmd->cmd) { 1081 case ETHTOOL_SRXFH: 1082 if (h->ae_algo->ops->set_rss_tuple) 1083 return h->ae_algo->ops->set_rss_tuple(h, cmd); 1084 return -EOPNOTSUPP; 1085 case ETHTOOL_SRXCLSRLINS: 1086 if (h->ae_algo->ops->add_fd_entry) 1087 return h->ae_algo->ops->add_fd_entry(h, cmd); 1088 return -EOPNOTSUPP; 1089 case ETHTOOL_SRXCLSRLDEL: 1090 if (h->ae_algo->ops->del_fd_entry) 1091 return h->ae_algo->ops->del_fd_entry(h, cmd); 1092 return -EOPNOTSUPP; 1093 default: 1094 return -EOPNOTSUPP; 1095 } 1096 } 1097 1098 static int hns3_nway_reset(struct net_device *netdev) 1099 { 1100 struct hnae3_handle *handle = hns3_get_handle(netdev); 1101 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1102 struct phy_device *phy = netdev->phydev; 1103 int autoneg; 1104 1105 if (!netif_running(netdev)) 1106 return 0; 1107 1108 if (hns3_nic_resetting(netdev)) { 1109 netdev_err(netdev, "dev resetting!"); 1110 return -EBUSY; 1111 } 1112 1113 if (!ops->get_autoneg || !ops->restart_autoneg) 1114 return -EOPNOTSUPP; 1115 1116 autoneg = ops->get_autoneg(handle); 1117 if (autoneg != AUTONEG_ENABLE) { 1118 netdev_err(netdev, 1119 "Autoneg is off, don't support to restart it\n"); 1120 return -EINVAL; 1121 } 1122 1123 netif_dbg(handle, drv, netdev, 1124 "nway reset (using %s)\n", phy ? "phy" : "mac"); 1125 1126 if (phy) 1127 return genphy_restart_aneg(phy); 1128 1129 return ops->restart_autoneg(handle); 1130 } 1131 1132 static void hns3_get_channels(struct net_device *netdev, 1133 struct ethtool_channels *ch) 1134 { 1135 struct hnae3_handle *h = hns3_get_handle(netdev); 1136 1137 if (h->ae_algo->ops->get_channels) 1138 h->ae_algo->ops->get_channels(h, ch); 1139 } 1140 1141 static int hns3_get_coalesce(struct net_device *netdev, 1142 struct ethtool_coalesce *cmd) 1143 { 1144 struct hns3_nic_priv *priv = netdev_priv(netdev); 1145 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1146 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1147 struct hnae3_handle *h = priv->ae_handle; 1148 1149 if (hns3_nic_resetting(netdev)) 1150 return -EBUSY; 1151 1152 cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable; 1153 cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable; 1154 1155 cmd->tx_coalesce_usecs = tx_coal->int_gl; 1156 cmd->rx_coalesce_usecs = rx_coal->int_gl; 1157 1158 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1159 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 1160 1161 cmd->tx_max_coalesced_frames = tx_coal->int_ql; 1162 cmd->rx_max_coalesced_frames = rx_coal->int_ql; 1163 1164 return 0; 1165 } 1166 1167 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 1168 struct ethtool_coalesce *cmd) 1169 { 1170 struct hnae3_handle *handle = hns3_get_handle(netdev); 1171 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1172 u32 rx_gl, tx_gl; 1173 1174 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1175 netdev_err(netdev, 1176 "invalid rx-usecs value, rx-usecs range is 0-%u\n", 1177 ae_dev->dev_specs.max_int_gl); 1178 return -EINVAL; 1179 } 1180 1181 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) { 1182 netdev_err(netdev, 1183 "invalid tx-usecs value, tx-usecs range is 0-%u\n", 1184 ae_dev->dev_specs.max_int_gl); 1185 return -EINVAL; 1186 } 1187 1188 /* device version above V3(include V3), GL uses 1us unit, 1189 * so the round down is not needed. 1190 */ 1191 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) 1192 return 0; 1193 1194 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 1195 if (rx_gl != cmd->rx_coalesce_usecs) { 1196 netdev_info(netdev, 1197 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1198 cmd->rx_coalesce_usecs, rx_gl); 1199 } 1200 1201 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 1202 if (tx_gl != cmd->tx_coalesce_usecs) { 1203 netdev_info(netdev, 1204 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n", 1205 cmd->tx_coalesce_usecs, tx_gl); 1206 } 1207 1208 return 0; 1209 } 1210 1211 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 1212 struct ethtool_coalesce *cmd) 1213 { 1214 u32 rl; 1215 1216 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 1217 netdev_err(netdev, 1218 "tx_usecs_high must be same as rx_usecs_high.\n"); 1219 return -EINVAL; 1220 } 1221 1222 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 1223 netdev_err(netdev, 1224 "Invalid usecs_high value, usecs_high range is 0-%d\n", 1225 HNS3_INT_RL_MAX); 1226 return -EINVAL; 1227 } 1228 1229 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1230 if (rl != cmd->rx_coalesce_usecs_high) { 1231 netdev_info(netdev, 1232 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n", 1233 cmd->rx_coalesce_usecs_high, rl); 1234 } 1235 1236 return 0; 1237 } 1238 1239 static int hns3_check_ql_coalesce_param(struct net_device *netdev, 1240 struct ethtool_coalesce *cmd) 1241 { 1242 struct hnae3_handle *handle = hns3_get_handle(netdev); 1243 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1244 1245 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) && 1246 !ae_dev->dev_specs.int_ql_max) { 1247 netdev_err(netdev, "coalesced frames is not supported\n"); 1248 return -EOPNOTSUPP; 1249 } 1250 1251 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max || 1252 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) { 1253 netdev_err(netdev, 1254 "invalid coalesced_frames value, range is 0-%u\n", 1255 ae_dev->dev_specs.int_ql_max); 1256 return -ERANGE; 1257 } 1258 1259 return 0; 1260 } 1261 1262 static int hns3_check_coalesce_para(struct net_device *netdev, 1263 struct ethtool_coalesce *cmd) 1264 { 1265 int ret; 1266 1267 ret = hns3_check_gl_coalesce_para(netdev, cmd); 1268 if (ret) { 1269 netdev_err(netdev, 1270 "Check gl coalesce param fail. ret = %d\n", ret); 1271 return ret; 1272 } 1273 1274 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1275 if (ret) { 1276 netdev_err(netdev, 1277 "Check rl coalesce param fail. ret = %d\n", ret); 1278 return ret; 1279 } 1280 1281 return hns3_check_ql_coalesce_param(netdev, cmd); 1282 } 1283 1284 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1285 struct ethtool_coalesce *cmd, 1286 u32 queue) 1287 { 1288 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1289 struct hns3_nic_priv *priv = netdev_priv(netdev); 1290 struct hnae3_handle *h = priv->ae_handle; 1291 int queue_num = h->kinfo.num_tqps; 1292 1293 tx_vector = priv->ring[queue].tqp_vector; 1294 rx_vector = priv->ring[queue_num + queue].tqp_vector; 1295 1296 tx_vector->tx_group.coal.adapt_enable = 1297 cmd->use_adaptive_tx_coalesce; 1298 rx_vector->rx_group.coal.adapt_enable = 1299 cmd->use_adaptive_rx_coalesce; 1300 1301 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; 1302 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; 1303 1304 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames; 1305 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames; 1306 1307 hns3_set_vector_coalesce_tx_gl(tx_vector, 1308 tx_vector->tx_group.coal.int_gl); 1309 hns3_set_vector_coalesce_rx_gl(rx_vector, 1310 rx_vector->rx_group.coal.int_gl); 1311 1312 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1313 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1314 1315 if (tx_vector->tx_group.coal.ql_enable) 1316 hns3_set_vector_coalesce_tx_ql(tx_vector, 1317 tx_vector->tx_group.coal.int_ql); 1318 if (rx_vector->rx_group.coal.ql_enable) 1319 hns3_set_vector_coalesce_rx_ql(rx_vector, 1320 rx_vector->rx_group.coal.int_ql); 1321 } 1322 1323 static int hns3_set_coalesce(struct net_device *netdev, 1324 struct ethtool_coalesce *cmd) 1325 { 1326 struct hnae3_handle *h = hns3_get_handle(netdev); 1327 struct hns3_nic_priv *priv = netdev_priv(netdev); 1328 struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; 1329 struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; 1330 u16 queue_num = h->kinfo.num_tqps; 1331 int ret; 1332 int i; 1333 1334 if (hns3_nic_resetting(netdev)) 1335 return -EBUSY; 1336 1337 ret = hns3_check_coalesce_para(netdev, cmd); 1338 if (ret) 1339 return ret; 1340 1341 h->kinfo.int_rl_setting = 1342 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1343 1344 tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce; 1345 rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce; 1346 1347 tx_coal->int_gl = cmd->tx_coalesce_usecs; 1348 rx_coal->int_gl = cmd->rx_coalesce_usecs; 1349 1350 tx_coal->int_ql = cmd->tx_max_coalesced_frames; 1351 rx_coal->int_ql = cmd->rx_max_coalesced_frames; 1352 1353 for (i = 0; i < queue_num; i++) 1354 hns3_set_coalesce_per_queue(netdev, cmd, i); 1355 1356 return 0; 1357 } 1358 1359 static int hns3_get_regs_len(struct net_device *netdev) 1360 { 1361 struct hnae3_handle *h = hns3_get_handle(netdev); 1362 1363 if (!h->ae_algo->ops->get_regs_len) 1364 return -EOPNOTSUPP; 1365 1366 return h->ae_algo->ops->get_regs_len(h); 1367 } 1368 1369 static void hns3_get_regs(struct net_device *netdev, 1370 struct ethtool_regs *cmd, void *data) 1371 { 1372 struct hnae3_handle *h = hns3_get_handle(netdev); 1373 1374 if (!h->ae_algo->ops->get_regs) 1375 return; 1376 1377 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1378 } 1379 1380 static int hns3_set_phys_id(struct net_device *netdev, 1381 enum ethtool_phys_id_state state) 1382 { 1383 struct hnae3_handle *h = hns3_get_handle(netdev); 1384 1385 if (!h->ae_algo->ops->set_led_id) 1386 return -EOPNOTSUPP; 1387 1388 return h->ae_algo->ops->set_led_id(h, state); 1389 } 1390 1391 static u32 hns3_get_msglevel(struct net_device *netdev) 1392 { 1393 struct hnae3_handle *h = hns3_get_handle(netdev); 1394 1395 return h->msg_enable; 1396 } 1397 1398 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) 1399 { 1400 struct hnae3_handle *h = hns3_get_handle(netdev); 1401 1402 h->msg_enable = msg_level; 1403 } 1404 1405 /* Translate local fec value into ethtool value. */ 1406 static unsigned int loc_to_eth_fec(u8 loc_fec) 1407 { 1408 u32 eth_fec = 0; 1409 1410 if (loc_fec & BIT(HNAE3_FEC_AUTO)) 1411 eth_fec |= ETHTOOL_FEC_AUTO; 1412 if (loc_fec & BIT(HNAE3_FEC_RS)) 1413 eth_fec |= ETHTOOL_FEC_RS; 1414 if (loc_fec & BIT(HNAE3_FEC_BASER)) 1415 eth_fec |= ETHTOOL_FEC_BASER; 1416 1417 /* if nothing is set, then FEC is off */ 1418 if (!eth_fec) 1419 eth_fec = ETHTOOL_FEC_OFF; 1420 1421 return eth_fec; 1422 } 1423 1424 /* Translate ethtool fec value into local value. */ 1425 static unsigned int eth_to_loc_fec(unsigned int eth_fec) 1426 { 1427 u32 loc_fec = 0; 1428 1429 if (eth_fec & ETHTOOL_FEC_OFF) 1430 return loc_fec; 1431 1432 if (eth_fec & ETHTOOL_FEC_AUTO) 1433 loc_fec |= BIT(HNAE3_FEC_AUTO); 1434 if (eth_fec & ETHTOOL_FEC_RS) 1435 loc_fec |= BIT(HNAE3_FEC_RS); 1436 if (eth_fec & ETHTOOL_FEC_BASER) 1437 loc_fec |= BIT(HNAE3_FEC_BASER); 1438 1439 return loc_fec; 1440 } 1441 1442 static int hns3_get_fecparam(struct net_device *netdev, 1443 struct ethtool_fecparam *fec) 1444 { 1445 struct hnae3_handle *handle = hns3_get_handle(netdev); 1446 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1447 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1448 u8 fec_ability; 1449 u8 fec_mode; 1450 1451 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1452 return -EOPNOTSUPP; 1453 1454 if (!ops->get_fec) 1455 return -EOPNOTSUPP; 1456 1457 ops->get_fec(handle, &fec_ability, &fec_mode); 1458 1459 fec->fec = loc_to_eth_fec(fec_ability); 1460 fec->active_fec = loc_to_eth_fec(fec_mode); 1461 1462 return 0; 1463 } 1464 1465 static int hns3_set_fecparam(struct net_device *netdev, 1466 struct ethtool_fecparam *fec) 1467 { 1468 struct hnae3_handle *handle = hns3_get_handle(netdev); 1469 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1470 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1471 u32 fec_mode; 1472 1473 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps)) 1474 return -EOPNOTSUPP; 1475 1476 if (!ops->set_fec) 1477 return -EOPNOTSUPP; 1478 fec_mode = eth_to_loc_fec(fec->fec); 1479 1480 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode); 1481 1482 return ops->set_fec(handle, fec_mode); 1483 } 1484 1485 static int hns3_get_module_info(struct net_device *netdev, 1486 struct ethtool_modinfo *modinfo) 1487 { 1488 #define HNS3_SFF_8636_V1_3 0x03 1489 1490 struct hnae3_handle *handle = hns3_get_handle(netdev); 1491 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1492 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1493 struct hns3_sfp_type sfp_type; 1494 int ret; 1495 1496 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1497 !ops->get_module_eeprom) 1498 return -EOPNOTSUPP; 1499 1500 memset(&sfp_type, 0, sizeof(sfp_type)); 1501 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8), 1502 (u8 *)&sfp_type); 1503 if (ret) 1504 return ret; 1505 1506 switch (sfp_type.type) { 1507 case SFF8024_ID_SFP: 1508 modinfo->type = ETH_MODULE_SFF_8472; 1509 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1510 break; 1511 case SFF8024_ID_QSFP_8438: 1512 modinfo->type = ETH_MODULE_SFF_8436; 1513 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1514 break; 1515 case SFF8024_ID_QSFP_8436_8636: 1516 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) { 1517 modinfo->type = ETH_MODULE_SFF_8436; 1518 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1519 } else { 1520 modinfo->type = ETH_MODULE_SFF_8636; 1521 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1522 } 1523 break; 1524 case SFF8024_ID_QSFP28_8636: 1525 modinfo->type = ETH_MODULE_SFF_8636; 1526 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1527 break; 1528 default: 1529 netdev_err(netdev, "Optical module unknown: %#x\n", 1530 sfp_type.type); 1531 return -EINVAL; 1532 } 1533 1534 return 0; 1535 } 1536 1537 static int hns3_get_module_eeprom(struct net_device *netdev, 1538 struct ethtool_eeprom *ee, u8 *data) 1539 { 1540 struct hnae3_handle *handle = hns3_get_handle(netdev); 1541 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1542 const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 1543 1544 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 || 1545 !ops->get_module_eeprom) 1546 return -EOPNOTSUPP; 1547 1548 if (!ee->len) 1549 return -EINVAL; 1550 1551 memset(data, 0, ee->len); 1552 1553 return ops->get_module_eeprom(handle, ee->offset, ee->len, data); 1554 } 1555 1556 static u32 hns3_get_priv_flags(struct net_device *netdev) 1557 { 1558 struct hnae3_handle *handle = hns3_get_handle(netdev); 1559 1560 return handle->priv_flags; 1561 } 1562 1563 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed) 1564 { 1565 u32 i; 1566 1567 for (i = 0; i < HNAE3_PFLAG_MAX; i++) 1568 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) { 1569 netdev_err(h->netdev, "%s is unsupported\n", 1570 hns3_priv_flags[i].name); 1571 return -EOPNOTSUPP; 1572 } 1573 1574 return 0; 1575 } 1576 1577 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) 1578 { 1579 struct hnae3_handle *handle = hns3_get_handle(netdev); 1580 u32 changed = pflags ^ handle->priv_flags; 1581 int ret; 1582 u32 i; 1583 1584 ret = hns3_check_priv_flags(handle, changed); 1585 if (ret) 1586 return ret; 1587 1588 for (i = 0; i < HNAE3_PFLAG_MAX; i++) { 1589 if (changed & BIT(i)) { 1590 bool enable = !(handle->priv_flags & BIT(i)); 1591 1592 if (enable) 1593 handle->priv_flags |= BIT(i); 1594 else 1595 handle->priv_flags &= ~BIT(i); 1596 hns3_priv_flags[i].handler(netdev, enable); 1597 } 1598 } 1599 1600 return 0; 1601 } 1602 1603 static int hns3_get_tunable(struct net_device *netdev, 1604 const struct ethtool_tunable *tuna, 1605 void *data) 1606 { 1607 struct hns3_nic_priv *priv = netdev_priv(netdev); 1608 int ret = 0; 1609 1610 switch (tuna->id) { 1611 case ETHTOOL_TX_COPYBREAK: 1612 /* all the tx rings have the same tx_copybreak */ 1613 *(u32 *)data = priv->tx_copybreak; 1614 break; 1615 case ETHTOOL_RX_COPYBREAK: 1616 *(u32 *)data = priv->rx_copybreak; 1617 break; 1618 default: 1619 ret = -EOPNOTSUPP; 1620 break; 1621 } 1622 1623 return ret; 1624 } 1625 1626 static int hns3_set_tunable(struct net_device *netdev, 1627 const struct ethtool_tunable *tuna, 1628 const void *data) 1629 { 1630 struct hns3_nic_priv *priv = netdev_priv(netdev); 1631 struct hnae3_handle *h = priv->ae_handle; 1632 int i, ret = 0; 1633 1634 switch (tuna->id) { 1635 case ETHTOOL_TX_COPYBREAK: 1636 priv->tx_copybreak = *(u32 *)data; 1637 1638 for (i = 0; i < h->kinfo.num_tqps; i++) 1639 priv->ring[i].tx_copybreak = priv->tx_copybreak; 1640 1641 break; 1642 case ETHTOOL_RX_COPYBREAK: 1643 priv->rx_copybreak = *(u32 *)data; 1644 1645 for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++) 1646 priv->ring[i].rx_copybreak = priv->rx_copybreak; 1647 1648 break; 1649 default: 1650 ret = -EOPNOTSUPP; 1651 break; 1652 } 1653 1654 return ret; 1655 } 1656 1657 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \ 1658 ETHTOOL_COALESCE_USE_ADAPTIVE | \ 1659 ETHTOOL_COALESCE_RX_USECS_HIGH | \ 1660 ETHTOOL_COALESCE_TX_USECS_HIGH | \ 1661 ETHTOOL_COALESCE_MAX_FRAMES) 1662 1663 static int hns3_get_ts_info(struct net_device *netdev, 1664 struct ethtool_ts_info *info) 1665 { 1666 struct hnae3_handle *handle = hns3_get_handle(netdev); 1667 1668 if (handle->ae_algo->ops->get_ts_info) 1669 return handle->ae_algo->ops->get_ts_info(handle, info); 1670 1671 return ethtool_op_get_ts_info(netdev, info); 1672 } 1673 1674 static const struct ethtool_ops hns3vf_ethtool_ops = { 1675 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1676 .get_drvinfo = hns3_get_drvinfo, 1677 .get_ringparam = hns3_get_ringparam, 1678 .set_ringparam = hns3_set_ringparam, 1679 .get_strings = hns3_get_strings, 1680 .get_ethtool_stats = hns3_get_stats, 1681 .get_sset_count = hns3_get_sset_count, 1682 .get_rxnfc = hns3_get_rxnfc, 1683 .set_rxnfc = hns3_set_rxnfc, 1684 .get_rxfh_key_size = hns3_get_rss_key_size, 1685 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1686 .get_rxfh = hns3_get_rss, 1687 .set_rxfh = hns3_set_rss, 1688 .get_link_ksettings = hns3_get_link_ksettings, 1689 .get_channels = hns3_get_channels, 1690 .set_channels = hns3_set_channels, 1691 .get_coalesce = hns3_get_coalesce, 1692 .set_coalesce = hns3_set_coalesce, 1693 .get_regs_len = hns3_get_regs_len, 1694 .get_regs = hns3_get_regs, 1695 .get_link = hns3_get_link, 1696 .get_msglevel = hns3_get_msglevel, 1697 .set_msglevel = hns3_set_msglevel, 1698 .get_priv_flags = hns3_get_priv_flags, 1699 .set_priv_flags = hns3_set_priv_flags, 1700 .get_tunable = hns3_get_tunable, 1701 .set_tunable = hns3_set_tunable, 1702 }; 1703 1704 static const struct ethtool_ops hns3_ethtool_ops = { 1705 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 1706 .self_test = hns3_self_test, 1707 .get_drvinfo = hns3_get_drvinfo, 1708 .get_link = hns3_get_link, 1709 .get_ringparam = hns3_get_ringparam, 1710 .set_ringparam = hns3_set_ringparam, 1711 .get_pauseparam = hns3_get_pauseparam, 1712 .set_pauseparam = hns3_set_pauseparam, 1713 .get_strings = hns3_get_strings, 1714 .get_ethtool_stats = hns3_get_stats, 1715 .get_sset_count = hns3_get_sset_count, 1716 .get_rxnfc = hns3_get_rxnfc, 1717 .set_rxnfc = hns3_set_rxnfc, 1718 .get_rxfh_key_size = hns3_get_rss_key_size, 1719 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1720 .get_rxfh = hns3_get_rss, 1721 .set_rxfh = hns3_set_rss, 1722 .get_link_ksettings = hns3_get_link_ksettings, 1723 .set_link_ksettings = hns3_set_link_ksettings, 1724 .nway_reset = hns3_nway_reset, 1725 .get_channels = hns3_get_channels, 1726 .set_channels = hns3_set_channels, 1727 .get_coalesce = hns3_get_coalesce, 1728 .set_coalesce = hns3_set_coalesce, 1729 .get_regs_len = hns3_get_regs_len, 1730 .get_regs = hns3_get_regs, 1731 .set_phys_id = hns3_set_phys_id, 1732 .get_msglevel = hns3_get_msglevel, 1733 .set_msglevel = hns3_set_msglevel, 1734 .get_fecparam = hns3_get_fecparam, 1735 .set_fecparam = hns3_set_fecparam, 1736 .get_module_info = hns3_get_module_info, 1737 .get_module_eeprom = hns3_get_module_eeprom, 1738 .get_priv_flags = hns3_get_priv_flags, 1739 .set_priv_flags = hns3_set_priv_flags, 1740 .get_ts_info = hns3_get_ts_info, 1741 .get_tunable = hns3_get_tunable, 1742 .set_tunable = hns3_set_tunable, 1743 }; 1744 1745 void hns3_ethtool_set_ops(struct net_device *netdev) 1746 { 1747 struct hnae3_handle *h = hns3_get_handle(netdev); 1748 1749 if (h->flags & HNAE3_SUPPORT_VF) 1750 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1751 else 1752 netdev->ethtool_ops = &hns3_ethtool_ops; 1753 } 1754