1 /* 2 * Copyright (c) 2016~2017 Hisilicon Limited. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 */ 9 10 #include <linux/etherdevice.h> 11 #include <linux/string.h> 12 #include <linux/phy.h> 13 14 #include "hns3_enet.h" 15 16 struct hns3_stats { 17 char stats_string[ETH_GSTRING_LEN]; 18 int stats_offset; 19 }; 20 21 /* tqp related stats */ 22 #define HNS3_TQP_STAT(_string, _member) { \ 23 .stats_string = _string, \ 24 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ 25 offsetof(struct ring_stats, _member), \ 26 } 27 28 static const struct hns3_stats hns3_txq_stats[] = { 29 /* Tx per-queue statistics */ 30 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 31 HNS3_TQP_STAT("tx_dropped", sw_err_cnt), 32 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 33 HNS3_TQP_STAT("packets", tx_pkts), 34 HNS3_TQP_STAT("bytes", tx_bytes), 35 HNS3_TQP_STAT("errors", tx_err_cnt), 36 HNS3_TQP_STAT("tx_wake", restart_queue), 37 HNS3_TQP_STAT("tx_busy", tx_busy), 38 }; 39 40 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 41 42 static const struct hns3_stats hns3_rxq_stats[] = { 43 /* Rx per-queue statistics */ 44 HNS3_TQP_STAT("io_err_cnt", io_err_cnt), 45 HNS3_TQP_STAT("rx_dropped", sw_err_cnt), 46 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), 47 HNS3_TQP_STAT("packets", rx_pkts), 48 HNS3_TQP_STAT("bytes", rx_bytes), 49 HNS3_TQP_STAT("errors", rx_err_cnt), 50 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), 51 HNS3_TQP_STAT("err_pkt_len", err_pkt_len), 52 HNS3_TQP_STAT("non_vld_descs", non_vld_descs), 53 HNS3_TQP_STAT("err_bd_num", err_bd_num), 54 HNS3_TQP_STAT("l2_err", l2_err), 55 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), 56 }; 57 58 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 59 60 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 61 62 #define HNS3_SELF_TEST_TPYE_NUM 1 63 #define HNS3_NIC_LB_TEST_PKT_NUM 1 64 #define HNS3_NIC_LB_TEST_RING_ID 0 65 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 66 67 /* Nic loopback test err */ 68 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 69 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 70 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 71 72 struct hns3_link_mode_mapping { 73 u32 hns3_link_mode; 74 u32 ethtool_link_mode; 75 }; 76 77 static const struct hns3_link_mode_mapping hns3_lm_map[] = { 78 {HNS3_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT}, 79 {HNS3_LM_AUTONEG_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT}, 80 {HNS3_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT}, 81 {HNS3_LM_PAUSE_BIT, ETHTOOL_LINK_MODE_Pause_BIT}, 82 {HNS3_LM_BACKPLANE_BIT, ETHTOOL_LINK_MODE_Backplane_BIT}, 83 {HNS3_LM_10BASET_HALF_BIT, ETHTOOL_LINK_MODE_10baseT_Half_BIT}, 84 {HNS3_LM_10BASET_FULL_BIT, ETHTOOL_LINK_MODE_10baseT_Full_BIT}, 85 {HNS3_LM_100BASET_HALF_BIT, ETHTOOL_LINK_MODE_100baseT_Half_BIT}, 86 {HNS3_LM_100BASET_FULL_BIT, ETHTOOL_LINK_MODE_100baseT_Full_BIT}, 87 {HNS3_LM_1000BASET_FULL_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT}, 88 }; 89 90 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop) 91 { 92 struct hnae3_handle *h = hns3_get_handle(ndev); 93 int ret; 94 95 if (!h->ae_algo->ops->set_loopback || 96 !h->ae_algo->ops->set_promisc_mode) 97 return -EOPNOTSUPP; 98 99 switch (loop) { 100 case HNAE3_MAC_INTER_LOOP_MAC: 101 ret = h->ae_algo->ops->set_loopback(h, loop, true); 102 break; 103 case HNAE3_MAC_LOOP_NONE: 104 ret = h->ae_algo->ops->set_loopback(h, 105 HNAE3_MAC_INTER_LOOP_MAC, false); 106 break; 107 default: 108 ret = -ENOTSUPP; 109 break; 110 } 111 112 if (ret) 113 return ret; 114 115 if (loop == HNAE3_MAC_LOOP_NONE) 116 h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC); 117 else 118 h->ae_algo->ops->set_promisc_mode(h, 1); 119 120 return ret; 121 } 122 123 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 124 { 125 struct hnae3_handle *h = hns3_get_handle(ndev); 126 int ret; 127 128 if (!h->ae_algo->ops->start) 129 return -EOPNOTSUPP; 130 131 ret = h->ae_algo->ops->start(h); 132 if (ret) { 133 netdev_err(ndev, 134 "hns3_lb_up ae start return error: %d\n", ret); 135 return ret; 136 } 137 138 ret = hns3_lp_setup(ndev, loop_mode); 139 usleep_range(10000, 20000); 140 141 return ret; 142 } 143 144 static int hns3_lp_down(struct net_device *ndev) 145 { 146 struct hnae3_handle *h = hns3_get_handle(ndev); 147 int ret; 148 149 if (!h->ae_algo->ops->stop) 150 return -EOPNOTSUPP; 151 152 ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE); 153 if (ret) { 154 netdev_err(ndev, "lb_setup return error: %d\n", ret); 155 return ret; 156 } 157 158 h->ae_algo->ops->stop(h); 159 usleep_range(10000, 20000); 160 161 return 0; 162 } 163 164 static void hns3_lp_setup_skb(struct sk_buff *skb) 165 { 166 struct net_device *ndev = skb->dev; 167 unsigned char *packet; 168 struct ethhdr *ethh; 169 unsigned int i; 170 171 skb_reserve(skb, NET_IP_ALIGN); 172 ethh = skb_put(skb, sizeof(struct ethhdr)); 173 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 174 175 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 176 eth_zero_addr(ethh->h_source); 177 ethh->h_proto = htons(ETH_P_ARP); 178 skb_reset_mac_header(skb); 179 180 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) 181 packet[i] = (unsigned char)(i & 0xff); 182 } 183 184 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, 185 struct sk_buff *skb) 186 { 187 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; 188 unsigned char *packet = skb->data; 189 u32 i; 190 191 for (i = 0; i < skb->len; i++) 192 if (packet[i] != (unsigned char)(i & 0xff)) 193 break; 194 195 /* The packet is correctly received */ 196 if (i == skb->len) 197 tqp_vector->rx_group.total_packets++; 198 else 199 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 200 skb->data, skb->len, true); 201 202 dev_kfree_skb_any(skb); 203 } 204 205 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 206 { 207 struct hnae3_handle *h = priv->ae_handle; 208 struct hnae3_knic_private_info *kinfo; 209 u32 i, rcv_good_pkt_total = 0; 210 211 kinfo = &h->kinfo; 212 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 213 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 214 struct hns3_enet_ring_group *rx_group; 215 u64 pre_rx_pkt; 216 217 rx_group = &ring->tqp_vector->rx_group; 218 pre_rx_pkt = rx_group->total_packets; 219 220 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 221 222 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 223 rx_group->total_packets = pre_rx_pkt; 224 } 225 return rcv_good_pkt_total; 226 } 227 228 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 229 u32 end_ringid, u32 budget) 230 { 231 u32 i; 232 233 for (i = start_ringid; i <= end_ringid; i++) { 234 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 235 236 hns3_clean_tx_ring(ring, budget); 237 } 238 } 239 240 /** 241 * hns3_lp_run_test - run loopback test 242 * @ndev: net device 243 * @mode: loopback type 244 */ 245 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 246 { 247 struct hns3_nic_priv *priv = netdev_priv(ndev); 248 struct sk_buff *skb; 249 u32 i, good_cnt; 250 int ret_val = 0; 251 252 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 253 GFP_KERNEL); 254 if (!skb) 255 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 256 257 skb->dev = ndev; 258 hns3_lp_setup_skb(skb); 259 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 260 261 good_cnt = 0; 262 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 263 netdev_tx_t tx_ret; 264 265 skb_get(skb); 266 tx_ret = hns3_nic_net_xmit(skb, ndev); 267 if (tx_ret == NETDEV_TX_OK) 268 good_cnt++; 269 else 270 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 271 tx_ret); 272 } 273 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 274 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 275 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 276 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 277 goto out; 278 } 279 280 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 281 msleep(200); 282 283 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 284 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 285 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 286 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 287 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 288 } 289 290 out: 291 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 292 HNS3_NIC_LB_TEST_RING_ID, 293 HNS3_NIC_LB_TEST_PKT_NUM); 294 295 kfree_skb(skb); 296 return ret_val; 297 } 298 299 /** 300 * hns3_nic_self_test - self test 301 * @ndev: net device 302 * @eth_test: test cmd 303 * @data: test result 304 */ 305 static void hns3_self_test(struct net_device *ndev, 306 struct ethtool_test *eth_test, u64 *data) 307 { 308 struct hns3_nic_priv *priv = netdev_priv(ndev); 309 struct hnae3_handle *h = priv->ae_handle; 310 int st_param[HNS3_SELF_TEST_TPYE_NUM][2]; 311 bool if_running = netif_running(ndev); 312 int test_index = 0; 313 u32 i; 314 315 /* Only do offline selftest, or pass by default */ 316 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 317 return; 318 319 st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC; 320 st_param[HNAE3_MAC_INTER_LOOP_MAC][1] = 321 h->flags & HNAE3_SUPPORT_MAC_LOOPBACK; 322 323 if (if_running) 324 dev_close(ndev); 325 326 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 327 328 for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) { 329 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 330 331 if (!st_param[i][1]) 332 continue; 333 334 data[test_index] = hns3_lp_up(ndev, loop_type); 335 if (!data[test_index]) { 336 data[test_index] = hns3_lp_run_test(ndev, loop_type); 337 hns3_lp_down(ndev); 338 } 339 340 if (data[test_index]) 341 eth_test->flags |= ETH_TEST_FL_FAILED; 342 343 test_index++; 344 } 345 346 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 347 348 if (if_running) 349 dev_open(ndev); 350 } 351 352 static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd, 353 bool is_advertised) 354 { 355 int i; 356 357 for (i = 0; i < ARRAY_SIZE(hns3_lm_map); i++) { 358 if (!(caps & hns3_lm_map[i].hns3_link_mode)) 359 continue; 360 361 if (is_advertised) 362 __set_bit(hns3_lm_map[i].ethtool_link_mode, 363 cmd->link_modes.advertising); 364 else 365 __set_bit(hns3_lm_map[i].ethtool_link_mode, 366 cmd->link_modes.supported); 367 } 368 } 369 370 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 371 { 372 struct hnae3_handle *h = hns3_get_handle(netdev); 373 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 374 375 if (!ops->get_sset_count) 376 return -EOPNOTSUPP; 377 378 switch (stringset) { 379 case ETH_SS_STATS: 380 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 381 ops->get_sset_count(h, stringset)); 382 383 case ETH_SS_TEST: 384 return ops->get_sset_count(h, stringset); 385 } 386 387 return 0; 388 } 389 390 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 391 u32 stat_count, u32 num_tqps, const char *prefix) 392 { 393 #define MAX_PREFIX_SIZE (6 + 4) 394 u32 size_left; 395 u32 i, j; 396 u32 n1; 397 398 for (i = 0; i < num_tqps; i++) { 399 for (j = 0; j < stat_count; j++) { 400 data[ETH_GSTRING_LEN - 1] = '\0'; 401 402 /* first, prepend the prefix string */ 403 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_", 404 prefix, i); 405 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); 406 size_left = (ETH_GSTRING_LEN - 1) - n1; 407 408 /* now, concatenate the stats string to it */ 409 strncat(data, stats[j].stats_string, size_left); 410 data += ETH_GSTRING_LEN; 411 } 412 } 413 414 return data; 415 } 416 417 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) 418 { 419 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 420 const char tx_prefix[] = "txq"; 421 const char rx_prefix[] = "rxq"; 422 423 /* get strings for Tx */ 424 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 425 kinfo->num_tqps, tx_prefix); 426 427 /* get strings for Rx */ 428 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 429 kinfo->num_tqps, rx_prefix); 430 431 return data; 432 } 433 434 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 435 { 436 struct hnae3_handle *h = hns3_get_handle(netdev); 437 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 438 char *buff = (char *)data; 439 440 if (!ops->get_strings) 441 return; 442 443 switch (stringset) { 444 case ETH_SS_STATS: 445 buff = hns3_get_strings_tqps(h, buff); 446 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 447 break; 448 case ETH_SS_TEST: 449 ops->get_strings(h, stringset, data); 450 break; 451 } 452 } 453 454 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 455 { 456 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 457 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 458 struct hns3_enet_ring *ring; 459 u8 *stat; 460 int i, j; 461 462 /* get stats for Tx */ 463 for (i = 0; i < kinfo->num_tqps; i++) { 464 ring = nic_priv->ring_data[i].ring; 465 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { 466 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; 467 *data++ = *(u64 *)stat; 468 } 469 } 470 471 /* get stats for Rx */ 472 for (i = 0; i < kinfo->num_tqps; i++) { 473 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 474 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { 475 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; 476 *data++ = *(u64 *)stat; 477 } 478 } 479 480 return data; 481 } 482 483 /* hns3_get_stats - get detail statistics. 484 * @netdev: net device 485 * @stats: statistics info. 486 * @data: statistics data. 487 */ 488 static void hns3_get_stats(struct net_device *netdev, 489 struct ethtool_stats *stats, u64 *data) 490 { 491 struct hnae3_handle *h = hns3_get_handle(netdev); 492 u64 *p = data; 493 494 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 495 netdev_err(netdev, "could not get any statistics\n"); 496 return; 497 } 498 499 h->ae_algo->ops->update_stats(h, &netdev->stats); 500 501 /* get per-queue stats */ 502 p = hns3_get_stats_tqps(h, p); 503 504 /* get MAC & other misc hardware stats */ 505 h->ae_algo->ops->get_stats(h, p); 506 } 507 508 static void hns3_get_drvinfo(struct net_device *netdev, 509 struct ethtool_drvinfo *drvinfo) 510 { 511 struct hns3_nic_priv *priv = netdev_priv(netdev); 512 struct hnae3_handle *h = priv->ae_handle; 513 514 strncpy(drvinfo->version, hns3_driver_version, 515 sizeof(drvinfo->version)); 516 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 517 518 strncpy(drvinfo->driver, h->pdev->driver->name, 519 sizeof(drvinfo->driver)); 520 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 521 522 strncpy(drvinfo->bus_info, pci_name(h->pdev), 523 sizeof(drvinfo->bus_info)); 524 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 525 526 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 527 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 528 } 529 530 static u32 hns3_get_link(struct net_device *netdev) 531 { 532 struct hnae3_handle *h = hns3_get_handle(netdev); 533 534 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 535 return h->ae_algo->ops->get_status(h); 536 else 537 return 0; 538 } 539 540 static void hns3_get_ringparam(struct net_device *netdev, 541 struct ethtool_ringparam *param) 542 { 543 struct hns3_nic_priv *priv = netdev_priv(netdev); 544 struct hnae3_handle *h = priv->ae_handle; 545 int queue_num = h->kinfo.num_tqps; 546 547 param->tx_max_pending = HNS3_RING_MAX_PENDING; 548 param->rx_max_pending = HNS3_RING_MAX_PENDING; 549 550 param->tx_pending = priv->ring_data[0].ring->desc_num; 551 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 552 } 553 554 static void hns3_get_pauseparam(struct net_device *netdev, 555 struct ethtool_pauseparam *param) 556 { 557 struct hnae3_handle *h = hns3_get_handle(netdev); 558 559 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 560 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 561 ¶m->rx_pause, ¶m->tx_pause); 562 } 563 564 static int hns3_set_pauseparam(struct net_device *netdev, 565 struct ethtool_pauseparam *param) 566 { 567 struct hnae3_handle *h = hns3_get_handle(netdev); 568 569 if (h->ae_algo->ops->set_pauseparam) 570 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 571 param->rx_pause, 572 param->tx_pause); 573 return -EOPNOTSUPP; 574 } 575 576 static int hns3_get_link_ksettings(struct net_device *netdev, 577 struct ethtool_link_ksettings *cmd) 578 { 579 struct hnae3_handle *h = hns3_get_handle(netdev); 580 u32 flowctrl_adv = 0; 581 u32 supported_caps; 582 u32 advertised_caps; 583 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 584 u8 link_stat; 585 586 if (!h->ae_algo || !h->ae_algo->ops) 587 return -EOPNOTSUPP; 588 589 /* 1.auto_neg & speed & duplex from cmd */ 590 if (netdev->phydev) 591 phy_ethtool_ksettings_get(netdev->phydev, cmd); 592 else if (h->ae_algo->ops->get_ksettings_an_result) 593 h->ae_algo->ops->get_ksettings_an_result(h, 594 &cmd->base.autoneg, 595 &cmd->base.speed, 596 &cmd->base.duplex); 597 else 598 return -EOPNOTSUPP; 599 600 link_stat = hns3_get_link(netdev); 601 if (!link_stat) { 602 cmd->base.speed = SPEED_UNKNOWN; 603 cmd->base.duplex = DUPLEX_UNKNOWN; 604 } 605 606 /* 2.media_type get from bios parameter block */ 607 if (h->ae_algo->ops->get_media_type) { 608 h->ae_algo->ops->get_media_type(h, &media_type); 609 610 switch (media_type) { 611 case HNAE3_MEDIA_TYPE_FIBER: 612 cmd->base.port = PORT_FIBRE; 613 supported_caps = HNS3_LM_FIBRE_BIT | 614 HNS3_LM_AUTONEG_BIT | 615 HNS3_LM_PAUSE_BIT | 616 HNS3_LM_1000BASET_FULL_BIT; 617 618 advertised_caps = supported_caps; 619 break; 620 case HNAE3_MEDIA_TYPE_COPPER: 621 cmd->base.port = PORT_TP; 622 supported_caps = HNS3_LM_TP_BIT | 623 HNS3_LM_AUTONEG_BIT | 624 HNS3_LM_PAUSE_BIT | 625 HNS3_LM_1000BASET_FULL_BIT | 626 HNS3_LM_100BASET_FULL_BIT | 627 HNS3_LM_100BASET_HALF_BIT | 628 HNS3_LM_10BASET_FULL_BIT | 629 HNS3_LM_10BASET_HALF_BIT; 630 advertised_caps = supported_caps; 631 break; 632 case HNAE3_MEDIA_TYPE_BACKPLANE: 633 cmd->base.port = PORT_NONE; 634 supported_caps = HNS3_LM_BACKPLANE_BIT | 635 HNS3_LM_PAUSE_BIT | 636 HNS3_LM_AUTONEG_BIT | 637 HNS3_LM_1000BASET_FULL_BIT | 638 HNS3_LM_100BASET_FULL_BIT | 639 HNS3_LM_100BASET_HALF_BIT | 640 HNS3_LM_10BASET_FULL_BIT | 641 HNS3_LM_10BASET_HALF_BIT; 642 643 advertised_caps = supported_caps; 644 break; 645 case HNAE3_MEDIA_TYPE_UNKNOWN: 646 default: 647 cmd->base.port = PORT_OTHER; 648 supported_caps = 0; 649 advertised_caps = 0; 650 break; 651 } 652 653 if (!cmd->base.autoneg) 654 advertised_caps &= ~HNS3_LM_AUTONEG_BIT; 655 656 advertised_caps &= ~HNS3_LM_PAUSE_BIT; 657 658 /* now, map driver link modes to ethtool link modes */ 659 hns3_driv_to_eth_caps(supported_caps, cmd, false); 660 hns3_driv_to_eth_caps(advertised_caps, cmd, true); 661 } 662 663 /* 3.mdix_ctrl&mdix get from phy reg */ 664 if (h->ae_algo->ops->get_mdix_mode) 665 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 666 &cmd->base.eth_tp_mdix); 667 /* 4.mdio_support */ 668 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 669 670 /* 5.get flow control setttings */ 671 if (h->ae_algo->ops->get_flowctrl_adv) 672 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv); 673 674 if (flowctrl_adv & ADVERTISED_Pause) 675 ethtool_link_ksettings_add_link_mode(cmd, advertising, 676 Pause); 677 678 if (flowctrl_adv & ADVERTISED_Asym_Pause) 679 ethtool_link_ksettings_add_link_mode(cmd, advertising, 680 Asym_Pause); 681 682 return 0; 683 } 684 685 static int hns3_set_link_ksettings(struct net_device *netdev, 686 const struct ethtool_link_ksettings *cmd) 687 { 688 /* Only support ksettings_set for netdev with phy attached for now */ 689 if (netdev->phydev) 690 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 691 692 return -EOPNOTSUPP; 693 } 694 695 static u32 hns3_get_rss_key_size(struct net_device *netdev) 696 { 697 struct hnae3_handle *h = hns3_get_handle(netdev); 698 699 if (!h->ae_algo || !h->ae_algo->ops || 700 !h->ae_algo->ops->get_rss_key_size) 701 return -EOPNOTSUPP; 702 703 return h->ae_algo->ops->get_rss_key_size(h); 704 } 705 706 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 707 { 708 struct hnae3_handle *h = hns3_get_handle(netdev); 709 710 if (!h->ae_algo || !h->ae_algo->ops || 711 !h->ae_algo->ops->get_rss_indir_size) 712 return -EOPNOTSUPP; 713 714 return h->ae_algo->ops->get_rss_indir_size(h); 715 } 716 717 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 718 u8 *hfunc) 719 { 720 struct hnae3_handle *h = hns3_get_handle(netdev); 721 722 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 723 return -EOPNOTSUPP; 724 725 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 726 } 727 728 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 729 const u8 *key, const u8 hfunc) 730 { 731 struct hnae3_handle *h = hns3_get_handle(netdev); 732 733 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 734 return -EOPNOTSUPP; 735 736 /* currently we only support Toeplitz hash */ 737 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) { 738 netdev_err(netdev, 739 "hash func not supported (only Toeplitz hash)\n"); 740 return -EOPNOTSUPP; 741 } 742 if (!indir) { 743 netdev_err(netdev, 744 "set rss failed for indir is empty\n"); 745 return -EOPNOTSUPP; 746 } 747 748 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 749 } 750 751 static int hns3_get_rxnfc(struct net_device *netdev, 752 struct ethtool_rxnfc *cmd, 753 u32 *rule_locs) 754 { 755 struct hnae3_handle *h = hns3_get_handle(netdev); 756 757 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple) 758 return -EOPNOTSUPP; 759 760 switch (cmd->cmd) { 761 case ETHTOOL_GRXRINGS: 762 cmd->data = h->kinfo.rss_size; 763 break; 764 case ETHTOOL_GRXFH: 765 return h->ae_algo->ops->get_rss_tuple(h, cmd); 766 default: 767 return -EOPNOTSUPP; 768 } 769 770 return 0; 771 } 772 773 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 774 u32 new_desc_num) 775 { 776 struct hnae3_handle *h = priv->ae_handle; 777 int i; 778 779 h->kinfo.num_desc = new_desc_num; 780 781 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 782 priv->ring_data[i].ring->desc_num = new_desc_num; 783 784 return hns3_init_all_ring(priv); 785 } 786 787 static int hns3_set_ringparam(struct net_device *ndev, 788 struct ethtool_ringparam *param) 789 { 790 struct hns3_nic_priv *priv = netdev_priv(ndev); 791 struct hnae3_handle *h = priv->ae_handle; 792 bool if_running = netif_running(ndev); 793 u32 old_desc_num, new_desc_num; 794 int ret; 795 796 if (param->rx_mini_pending || param->rx_jumbo_pending) 797 return -EINVAL; 798 799 if (param->tx_pending != param->rx_pending) { 800 netdev_err(ndev, 801 "Descriptors of tx and rx must be equal"); 802 return -EINVAL; 803 } 804 805 if (param->tx_pending > HNS3_RING_MAX_PENDING || 806 param->tx_pending < HNS3_RING_MIN_PENDING) { 807 netdev_err(ndev, 808 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 809 param->tx_pending, HNS3_RING_MIN_PENDING, 810 HNS3_RING_MAX_PENDING); 811 return -EINVAL; 812 } 813 814 new_desc_num = param->tx_pending; 815 816 /* Hardware requires that its descriptors must be multiple of eight */ 817 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 818 old_desc_num = h->kinfo.num_desc; 819 if (old_desc_num == new_desc_num) 820 return 0; 821 822 netdev_info(ndev, 823 "Changing descriptor count from %d to %d.\n", 824 old_desc_num, new_desc_num); 825 826 if (if_running) 827 dev_close(ndev); 828 829 ret = hns3_uninit_all_ring(priv); 830 if (ret) 831 return ret; 832 833 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 834 if (ret) { 835 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 836 if (ret) { 837 netdev_err(ndev, 838 "Revert to old bd num fail, ret=%d.\n", ret); 839 return ret; 840 } 841 } 842 843 if (if_running) 844 ret = dev_open(ndev); 845 846 return ret; 847 } 848 849 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 850 { 851 struct hnae3_handle *h = hns3_get_handle(netdev); 852 853 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple) 854 return -EOPNOTSUPP; 855 856 switch (cmd->cmd) { 857 case ETHTOOL_SRXFH: 858 return h->ae_algo->ops->set_rss_tuple(h, cmd); 859 default: 860 return -EOPNOTSUPP; 861 } 862 } 863 864 static int hns3_nway_reset(struct net_device *netdev) 865 { 866 struct phy_device *phy = netdev->phydev; 867 868 if (!netif_running(netdev)) 869 return 0; 870 871 /* Only support nway_reset for netdev with phy attached for now */ 872 if (!phy) 873 return -EOPNOTSUPP; 874 875 if (phy->autoneg != AUTONEG_ENABLE) 876 return -EINVAL; 877 878 return genphy_restart_aneg(phy); 879 } 880 881 static void hns3_get_channels(struct net_device *netdev, 882 struct ethtool_channels *ch) 883 { 884 struct hnae3_handle *h = hns3_get_handle(netdev); 885 886 if (h->ae_algo->ops->get_channels) 887 h->ae_algo->ops->get_channels(h, ch); 888 } 889 890 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, 891 struct ethtool_coalesce *cmd) 892 { 893 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 894 struct hns3_nic_priv *priv = netdev_priv(netdev); 895 struct hnae3_handle *h = priv->ae_handle; 896 u16 queue_num = h->kinfo.num_tqps; 897 898 if (queue >= queue_num) { 899 netdev_err(netdev, 900 "Invalid queue value %d! Queue max id=%d\n", 901 queue, queue_num - 1); 902 return -EINVAL; 903 } 904 905 tx_vector = priv->ring_data[queue].ring->tqp_vector; 906 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 907 908 cmd->use_adaptive_tx_coalesce = tx_vector->tx_group.gl_adapt_enable; 909 cmd->use_adaptive_rx_coalesce = rx_vector->rx_group.gl_adapt_enable; 910 911 cmd->tx_coalesce_usecs = tx_vector->tx_group.int_gl; 912 cmd->rx_coalesce_usecs = rx_vector->rx_group.int_gl; 913 914 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; 915 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; 916 917 return 0; 918 } 919 920 static int hns3_get_coalesce(struct net_device *netdev, 921 struct ethtool_coalesce *cmd) 922 { 923 return hns3_get_coalesce_per_queue(netdev, 0, cmd); 924 } 925 926 static int hns3_check_gl_coalesce_para(struct net_device *netdev, 927 struct ethtool_coalesce *cmd) 928 { 929 u32 rx_gl, tx_gl; 930 931 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { 932 netdev_err(netdev, 933 "Invalid rx-usecs value, rx-usecs range is 0-%d\n", 934 HNS3_INT_GL_MAX); 935 return -EINVAL; 936 } 937 938 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { 939 netdev_err(netdev, 940 "Invalid tx-usecs value, tx-usecs range is 0-%d\n", 941 HNS3_INT_GL_MAX); 942 return -EINVAL; 943 } 944 945 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); 946 if (rx_gl != cmd->rx_coalesce_usecs) { 947 netdev_info(netdev, 948 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 949 cmd->rx_coalesce_usecs, rx_gl); 950 } 951 952 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); 953 if (tx_gl != cmd->tx_coalesce_usecs) { 954 netdev_info(netdev, 955 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", 956 cmd->tx_coalesce_usecs, tx_gl); 957 } 958 959 return 0; 960 } 961 962 static int hns3_check_rl_coalesce_para(struct net_device *netdev, 963 struct ethtool_coalesce *cmd) 964 { 965 u32 rl; 966 967 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { 968 netdev_err(netdev, 969 "tx_usecs_high must be same as rx_usecs_high.\n"); 970 return -EINVAL; 971 } 972 973 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { 974 netdev_err(netdev, 975 "Invalid usecs_high value, usecs_high range is 0-%d\n", 976 HNS3_INT_RL_MAX); 977 return -EINVAL; 978 } 979 980 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 981 if (rl != cmd->rx_coalesce_usecs_high) { 982 netdev_info(netdev, 983 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", 984 cmd->rx_coalesce_usecs_high, rl); 985 } 986 987 return 0; 988 } 989 990 static int hns3_check_coalesce_para(struct net_device *netdev, 991 struct ethtool_coalesce *cmd) 992 { 993 int ret; 994 995 ret = hns3_check_gl_coalesce_para(netdev, cmd); 996 if (ret) { 997 netdev_err(netdev, 998 "Check gl coalesce param fail. ret = %d\n", ret); 999 return ret; 1000 } 1001 1002 ret = hns3_check_rl_coalesce_para(netdev, cmd); 1003 if (ret) { 1004 netdev_err(netdev, 1005 "Check rl coalesce param fail. ret = %d\n", ret); 1006 return ret; 1007 } 1008 1009 if (cmd->use_adaptive_tx_coalesce == 1 || 1010 cmd->use_adaptive_rx_coalesce == 1) { 1011 netdev_info(netdev, 1012 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", 1013 cmd->use_adaptive_tx_coalesce, 1014 cmd->use_adaptive_rx_coalesce); 1015 } 1016 1017 return 0; 1018 } 1019 1020 static void hns3_set_coalesce_per_queue(struct net_device *netdev, 1021 struct ethtool_coalesce *cmd, 1022 u32 queue) 1023 { 1024 struct hns3_enet_tqp_vector *tx_vector, *rx_vector; 1025 struct hns3_nic_priv *priv = netdev_priv(netdev); 1026 struct hnae3_handle *h = priv->ae_handle; 1027 int queue_num = h->kinfo.num_tqps; 1028 1029 tx_vector = priv->ring_data[queue].ring->tqp_vector; 1030 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; 1031 1032 tx_vector->tx_group.gl_adapt_enable = cmd->use_adaptive_tx_coalesce; 1033 rx_vector->rx_group.gl_adapt_enable = cmd->use_adaptive_rx_coalesce; 1034 1035 tx_vector->tx_group.int_gl = cmd->tx_coalesce_usecs; 1036 rx_vector->rx_group.int_gl = cmd->rx_coalesce_usecs; 1037 1038 hns3_set_vector_coalesce_tx_gl(tx_vector, tx_vector->tx_group.int_gl); 1039 hns3_set_vector_coalesce_rx_gl(rx_vector, rx_vector->rx_group.int_gl); 1040 1041 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); 1042 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); 1043 } 1044 1045 static int hns3_set_coalesce(struct net_device *netdev, 1046 struct ethtool_coalesce *cmd) 1047 { 1048 struct hnae3_handle *h = hns3_get_handle(netdev); 1049 u16 queue_num = h->kinfo.num_tqps; 1050 int ret; 1051 int i; 1052 1053 ret = hns3_check_coalesce_para(netdev, cmd); 1054 if (ret) 1055 return ret; 1056 1057 h->kinfo.int_rl_setting = 1058 hns3_rl_round_down(cmd->rx_coalesce_usecs_high); 1059 1060 for (i = 0; i < queue_num; i++) 1061 hns3_set_coalesce_per_queue(netdev, cmd, i); 1062 1063 return 0; 1064 } 1065 1066 static int hns3_get_regs_len(struct net_device *netdev) 1067 { 1068 struct hnae3_handle *h = hns3_get_handle(netdev); 1069 1070 if (!h->ae_algo->ops->get_regs_len) 1071 return -EOPNOTSUPP; 1072 1073 return h->ae_algo->ops->get_regs_len(h); 1074 } 1075 1076 static void hns3_get_regs(struct net_device *netdev, 1077 struct ethtool_regs *cmd, void *data) 1078 { 1079 struct hnae3_handle *h = hns3_get_handle(netdev); 1080 1081 if (!h->ae_algo->ops->get_regs) 1082 return; 1083 1084 h->ae_algo->ops->get_regs(h, &cmd->version, data); 1085 } 1086 1087 static int hns3_set_phys_id(struct net_device *netdev, 1088 enum ethtool_phys_id_state state) 1089 { 1090 struct hnae3_handle *h = hns3_get_handle(netdev); 1091 1092 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) 1093 return -EOPNOTSUPP; 1094 1095 return h->ae_algo->ops->set_led_id(h, state); 1096 } 1097 1098 static const struct ethtool_ops hns3vf_ethtool_ops = { 1099 .get_drvinfo = hns3_get_drvinfo, 1100 .get_ringparam = hns3_get_ringparam, 1101 .set_ringparam = hns3_set_ringparam, 1102 .get_strings = hns3_get_strings, 1103 .get_ethtool_stats = hns3_get_stats, 1104 .get_sset_count = hns3_get_sset_count, 1105 .get_rxnfc = hns3_get_rxnfc, 1106 .get_rxfh_key_size = hns3_get_rss_key_size, 1107 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1108 .get_rxfh = hns3_get_rss, 1109 .set_rxfh = hns3_set_rss, 1110 .get_link_ksettings = hns3_get_link_ksettings, 1111 .get_channels = hns3_get_channels, 1112 .get_coalesce = hns3_get_coalesce, 1113 .set_coalesce = hns3_set_coalesce, 1114 }; 1115 1116 static const struct ethtool_ops hns3_ethtool_ops = { 1117 .self_test = hns3_self_test, 1118 .get_drvinfo = hns3_get_drvinfo, 1119 .get_link = hns3_get_link, 1120 .get_ringparam = hns3_get_ringparam, 1121 .set_ringparam = hns3_set_ringparam, 1122 .get_pauseparam = hns3_get_pauseparam, 1123 .set_pauseparam = hns3_set_pauseparam, 1124 .get_strings = hns3_get_strings, 1125 .get_ethtool_stats = hns3_get_stats, 1126 .get_sset_count = hns3_get_sset_count, 1127 .get_rxnfc = hns3_get_rxnfc, 1128 .set_rxnfc = hns3_set_rxnfc, 1129 .get_rxfh_key_size = hns3_get_rss_key_size, 1130 .get_rxfh_indir_size = hns3_get_rss_indir_size, 1131 .get_rxfh = hns3_get_rss, 1132 .set_rxfh = hns3_set_rss, 1133 .get_link_ksettings = hns3_get_link_ksettings, 1134 .set_link_ksettings = hns3_set_link_ksettings, 1135 .nway_reset = hns3_nway_reset, 1136 .get_channels = hns3_get_channels, 1137 .set_channels = hns3_set_channels, 1138 .get_coalesce = hns3_get_coalesce, 1139 .set_coalesce = hns3_set_coalesce, 1140 .get_regs_len = hns3_get_regs_len, 1141 .get_regs = hns3_get_regs, 1142 .set_phys_id = hns3_set_phys_id, 1143 }; 1144 1145 void hns3_ethtool_set_ops(struct net_device *netdev) 1146 { 1147 struct hnae3_handle *h = hns3_get_handle(netdev); 1148 1149 if (h->flags & HNAE3_SUPPORT_VF) 1150 netdev->ethtool_ops = &hns3vf_ethtool_ops; 1151 else 1152 netdev->ethtool_ops = &hns3_ethtool_ops; 1153 } 1154