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_size; 19 int stats_offset; 20 }; 21 22 /* tqp related stats */ 23 #define HNS3_TQP_STAT(_string, _member) { \ 24 .stats_string = _string, \ 25 .stats_size = FIELD_SIZEOF(struct ring_stats, _member), \ 26 .stats_offset = offsetof(struct hns3_enet_ring, stats), \ 27 } \ 28 29 static const struct hns3_stats hns3_txq_stats[] = { 30 /* Tx per-queue statistics */ 31 HNS3_TQP_STAT("tx_io_err_cnt", io_err_cnt), 32 HNS3_TQP_STAT("tx_sw_err_cnt", sw_err_cnt), 33 HNS3_TQP_STAT("tx_seg_pkt_cnt", seg_pkt_cnt), 34 HNS3_TQP_STAT("tx_pkts", tx_pkts), 35 HNS3_TQP_STAT("tx_bytes", tx_bytes), 36 HNS3_TQP_STAT("tx_err_cnt", tx_err_cnt), 37 HNS3_TQP_STAT("tx_restart_queue", restart_queue), 38 HNS3_TQP_STAT("tx_busy", tx_busy), 39 }; 40 41 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) 42 43 static const struct hns3_stats hns3_rxq_stats[] = { 44 /* Rx per-queue statistics */ 45 HNS3_TQP_STAT("rx_io_err_cnt", io_err_cnt), 46 HNS3_TQP_STAT("rx_sw_err_cnt", sw_err_cnt), 47 HNS3_TQP_STAT("rx_seg_pkt_cnt", seg_pkt_cnt), 48 HNS3_TQP_STAT("rx_pkts", rx_pkts), 49 HNS3_TQP_STAT("rx_bytes", rx_bytes), 50 HNS3_TQP_STAT("rx_err_cnt", rx_err_cnt), 51 HNS3_TQP_STAT("rx_reuse_pg_cnt", reuse_pg_cnt), 52 HNS3_TQP_STAT("rx_err_pkt_len", err_pkt_len), 53 HNS3_TQP_STAT("rx_non_vld_descs", non_vld_descs), 54 HNS3_TQP_STAT("rx_err_bd_num", err_bd_num), 55 HNS3_TQP_STAT("rx_l2_err", l2_err), 56 HNS3_TQP_STAT("rx_l3l4_csum_err", l3l4_csum_err), 57 }; 58 59 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) 60 61 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) 62 63 #define HNS3_SELF_TEST_TPYE_NUM 1 64 #define HNS3_NIC_LB_TEST_PKT_NUM 1 65 #define HNS3_NIC_LB_TEST_RING_ID 0 66 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 67 68 /* Nic loopback test err */ 69 #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 70 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 71 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 72 73 struct hns3_link_mode_mapping { 74 u32 hns3_link_mode; 75 u32 ethtool_link_mode; 76 }; 77 78 static const struct hns3_link_mode_mapping hns3_lm_map[] = { 79 {HNS3_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT}, 80 {HNS3_LM_AUTONEG_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT}, 81 {HNS3_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT}, 82 {HNS3_LM_PAUSE_BIT, ETHTOOL_LINK_MODE_Pause_BIT}, 83 {HNS3_LM_BACKPLANE_BIT, ETHTOOL_LINK_MODE_Backplane_BIT}, 84 {HNS3_LM_10BASET_HALF_BIT, ETHTOOL_LINK_MODE_10baseT_Half_BIT}, 85 {HNS3_LM_10BASET_FULL_BIT, ETHTOOL_LINK_MODE_10baseT_Full_BIT}, 86 {HNS3_LM_100BASET_HALF_BIT, ETHTOOL_LINK_MODE_100baseT_Half_BIT}, 87 {HNS3_LM_100BASET_FULL_BIT, ETHTOOL_LINK_MODE_100baseT_Full_BIT}, 88 {HNS3_LM_1000BASET_FULL_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT}, 89 }; 90 91 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop) 92 { 93 struct hnae3_handle *h = hns3_get_handle(ndev); 94 int ret; 95 96 if (!h->ae_algo->ops->set_loopback || 97 !h->ae_algo->ops->set_promisc_mode) 98 return -EOPNOTSUPP; 99 100 switch (loop) { 101 case HNAE3_MAC_INTER_LOOP_MAC: 102 ret = h->ae_algo->ops->set_loopback(h, loop, true); 103 break; 104 case HNAE3_MAC_LOOP_NONE: 105 ret = h->ae_algo->ops->set_loopback(h, 106 HNAE3_MAC_INTER_LOOP_MAC, false); 107 break; 108 default: 109 ret = -ENOTSUPP; 110 break; 111 } 112 113 if (ret) 114 return ret; 115 116 if (loop == HNAE3_MAC_LOOP_NONE) 117 h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC); 118 else 119 h->ae_algo->ops->set_promisc_mode(h, 1); 120 121 return ret; 122 } 123 124 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) 125 { 126 struct hnae3_handle *h = hns3_get_handle(ndev); 127 int ret; 128 129 if (!h->ae_algo->ops->start) 130 return -EOPNOTSUPP; 131 132 ret = h->ae_algo->ops->start(h); 133 if (ret) { 134 netdev_err(ndev, 135 "hns3_lb_up ae start return error: %d\n", ret); 136 return ret; 137 } 138 139 ret = hns3_lp_setup(ndev, loop_mode); 140 usleep_range(10000, 20000); 141 142 return ret; 143 } 144 145 static int hns3_lp_down(struct net_device *ndev) 146 { 147 struct hnae3_handle *h = hns3_get_handle(ndev); 148 int ret; 149 150 if (!h->ae_algo->ops->stop) 151 return -EOPNOTSUPP; 152 153 ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE); 154 if (ret) { 155 netdev_err(ndev, "lb_setup return error: %d\n", ret); 156 return ret; 157 } 158 159 h->ae_algo->ops->stop(h); 160 usleep_range(10000, 20000); 161 162 return 0; 163 } 164 165 static void hns3_lp_setup_skb(struct sk_buff *skb) 166 { 167 struct net_device *ndev = skb->dev; 168 unsigned char *packet; 169 struct ethhdr *ethh; 170 unsigned int i; 171 172 skb_reserve(skb, NET_IP_ALIGN); 173 ethh = skb_put(skb, sizeof(struct ethhdr)); 174 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); 175 176 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); 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 i; 191 192 for (i = 0; i < skb->len; i++) 193 if (packet[i] != (unsigned char)(i & 0xff)) 194 break; 195 196 /* The packet is correctly received */ 197 if (i == skb->len) 198 tqp_vector->rx_group.total_packets++; 199 else 200 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, 201 skb->data, skb->len, true); 202 203 dev_kfree_skb_any(skb); 204 } 205 206 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) 207 { 208 struct hnae3_handle *h = priv->ae_handle; 209 struct hnae3_knic_private_info *kinfo; 210 u32 i, rcv_good_pkt_total = 0; 211 212 kinfo = &h->kinfo; 213 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { 214 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 215 struct hns3_enet_ring_group *rx_group; 216 u64 pre_rx_pkt; 217 218 rx_group = &ring->tqp_vector->rx_group; 219 pre_rx_pkt = rx_group->total_packets; 220 221 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); 222 223 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); 224 rx_group->total_packets = pre_rx_pkt; 225 } 226 return rcv_good_pkt_total; 227 } 228 229 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, 230 u32 end_ringid, u32 budget) 231 { 232 u32 i; 233 234 for (i = start_ringid; i <= end_ringid; i++) { 235 struct hns3_enet_ring *ring = priv->ring_data[i].ring; 236 237 hns3_clean_tx_ring(ring, budget); 238 } 239 } 240 241 /** 242 * hns3_lp_run_test - run loopback test 243 * @ndev: net device 244 * @mode: loopback type 245 */ 246 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) 247 { 248 struct hns3_nic_priv *priv = netdev_priv(ndev); 249 struct sk_buff *skb; 250 u32 i, good_cnt; 251 int ret_val = 0; 252 253 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, 254 GFP_KERNEL); 255 if (!skb) 256 return HNS3_NIC_LB_TEST_NO_MEM_ERR; 257 258 skb->dev = ndev; 259 hns3_lp_setup_skb(skb); 260 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; 261 262 good_cnt = 0; 263 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { 264 netdev_tx_t tx_ret; 265 266 skb_get(skb); 267 tx_ret = hns3_nic_net_xmit(skb, ndev); 268 if (tx_ret == NETDEV_TX_OK) 269 good_cnt++; 270 else 271 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", 272 tx_ret); 273 } 274 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 275 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; 276 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", 277 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 278 goto out; 279 } 280 281 /* Allow 200 milliseconds for packets to go from Tx to Rx */ 282 msleep(200); 283 284 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); 285 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { 286 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; 287 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", 288 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); 289 } 290 291 out: 292 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, 293 HNS3_NIC_LB_TEST_RING_ID, 294 HNS3_NIC_LB_TEST_PKT_NUM); 295 296 kfree_skb(skb); 297 return ret_val; 298 } 299 300 /** 301 * hns3_nic_self_test - self test 302 * @ndev: net device 303 * @eth_test: test cmd 304 * @data: test result 305 */ 306 static void hns3_self_test(struct net_device *ndev, 307 struct ethtool_test *eth_test, u64 *data) 308 { 309 struct hns3_nic_priv *priv = netdev_priv(ndev); 310 struct hnae3_handle *h = priv->ae_handle; 311 int st_param[HNS3_SELF_TEST_TPYE_NUM][2]; 312 bool if_running = netif_running(ndev); 313 int test_index = 0; 314 u32 i; 315 316 /* Only do offline selftest, or pass by default */ 317 if (eth_test->flags != ETH_TEST_FL_OFFLINE) 318 return; 319 320 st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC; 321 st_param[HNAE3_MAC_INTER_LOOP_MAC][1] = 322 h->flags & HNAE3_SUPPORT_MAC_LOOPBACK; 323 324 if (if_running) 325 dev_close(ndev); 326 327 set_bit(HNS3_NIC_STATE_TESTING, &priv->state); 328 329 for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) { 330 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; 331 332 if (!st_param[i][1]) 333 continue; 334 335 data[test_index] = hns3_lp_up(ndev, loop_type); 336 if (!data[test_index]) { 337 data[test_index] = hns3_lp_run_test(ndev, loop_type); 338 hns3_lp_down(ndev); 339 } 340 341 if (data[test_index]) 342 eth_test->flags |= ETH_TEST_FL_FAILED; 343 344 test_index++; 345 } 346 347 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); 348 349 if (if_running) 350 dev_open(ndev); 351 } 352 353 static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd, 354 bool is_advertised) 355 { 356 int i; 357 358 for (i = 0; i < ARRAY_SIZE(hns3_lm_map); i++) { 359 if (!(caps & hns3_lm_map[i].hns3_link_mode)) 360 continue; 361 362 if (is_advertised) 363 __set_bit(hns3_lm_map[i].ethtool_link_mode, 364 cmd->link_modes.advertising); 365 else 366 __set_bit(hns3_lm_map[i].ethtool_link_mode, 367 cmd->link_modes.supported); 368 } 369 } 370 371 static int hns3_get_sset_count(struct net_device *netdev, int stringset) 372 { 373 struct hnae3_handle *h = hns3_get_handle(netdev); 374 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 375 376 if (!ops->get_sset_count) 377 return -EOPNOTSUPP; 378 379 switch (stringset) { 380 case ETH_SS_STATS: 381 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + 382 ops->get_sset_count(h, stringset)); 383 384 case ETH_SS_TEST: 385 return ops->get_sset_count(h, stringset); 386 } 387 388 return 0; 389 } 390 391 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, 392 u32 stat_count, u32 num_tqps) 393 { 394 #define MAX_PREFIX_SIZE (8 + 4) 395 u32 size_left; 396 u32 i, j; 397 u32 n1; 398 399 for (i = 0; i < num_tqps; i++) { 400 for (j = 0; j < stat_count; j++) { 401 data[ETH_GSTRING_LEN - 1] = '\0'; 402 403 /* first, prepend the prefix string */ 404 n1 = snprintf(data, MAX_PREFIX_SIZE, "rcb_q%d_", 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; 420 421 /* get strings for Tx */ 422 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, 423 kinfo->num_tqps); 424 425 /* get strings for Rx */ 426 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, 427 kinfo->num_tqps); 428 429 return data; 430 } 431 432 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 433 { 434 struct hnae3_handle *h = hns3_get_handle(netdev); 435 const struct hnae3_ae_ops *ops = h->ae_algo->ops; 436 char *buff = (char *)data; 437 438 if (!ops->get_strings) 439 return; 440 441 switch (stringset) { 442 case ETH_SS_STATS: 443 buff = hns3_get_strings_tqps(h, buff); 444 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); 445 break; 446 case ETH_SS_TEST: 447 ops->get_strings(h, stringset, data); 448 break; 449 } 450 } 451 452 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) 453 { 454 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; 455 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 456 struct hns3_enet_ring *ring; 457 u8 *stat; 458 u32 i; 459 460 /* get stats for Tx */ 461 for (i = 0; i < kinfo->num_tqps; i++) { 462 ring = nic_priv->ring_data[i].ring; 463 for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) { 464 stat = (u8 *)ring + hns3_txq_stats[i].stats_offset; 465 *data++ = *(u64 *)stat; 466 } 467 } 468 469 /* get stats for Rx */ 470 for (i = 0; i < kinfo->num_tqps; i++) { 471 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; 472 for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) { 473 stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset; 474 *data++ = *(u64 *)stat; 475 } 476 } 477 478 return data; 479 } 480 481 /* hns3_get_stats - get detail statistics. 482 * @netdev: net device 483 * @stats: statistics info. 484 * @data: statistics data. 485 */ 486 static void hns3_get_stats(struct net_device *netdev, 487 struct ethtool_stats *stats, u64 *data) 488 { 489 struct hnae3_handle *h = hns3_get_handle(netdev); 490 u64 *p = data; 491 492 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { 493 netdev_err(netdev, "could not get any statistics\n"); 494 return; 495 } 496 497 h->ae_algo->ops->update_stats(h, &netdev->stats); 498 499 /* get per-queue stats */ 500 p = hns3_get_stats_tqps(h, p); 501 502 /* get MAC & other misc hardware stats */ 503 h->ae_algo->ops->get_stats(h, p); 504 } 505 506 static void hns3_get_drvinfo(struct net_device *netdev, 507 struct ethtool_drvinfo *drvinfo) 508 { 509 struct hns3_nic_priv *priv = netdev_priv(netdev); 510 struct hnae3_handle *h = priv->ae_handle; 511 512 strncpy(drvinfo->version, hns3_driver_version, 513 sizeof(drvinfo->version)); 514 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; 515 516 strncpy(drvinfo->driver, h->pdev->driver->name, 517 sizeof(drvinfo->driver)); 518 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; 519 520 strncpy(drvinfo->bus_info, pci_name(h->pdev), 521 sizeof(drvinfo->bus_info)); 522 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; 523 524 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", 525 priv->ae_handle->ae_algo->ops->get_fw_version(h)); 526 } 527 528 static u32 hns3_get_link(struct net_device *netdev) 529 { 530 struct hnae3_handle *h = hns3_get_handle(netdev); 531 532 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) 533 return h->ae_algo->ops->get_status(h); 534 else 535 return 0; 536 } 537 538 static void hns3_get_ringparam(struct net_device *netdev, 539 struct ethtool_ringparam *param) 540 { 541 struct hns3_nic_priv *priv = netdev_priv(netdev); 542 struct hnae3_handle *h = priv->ae_handle; 543 int queue_num = h->kinfo.num_tqps; 544 545 param->tx_max_pending = HNS3_RING_MAX_PENDING; 546 param->rx_max_pending = HNS3_RING_MAX_PENDING; 547 548 param->tx_pending = priv->ring_data[0].ring->desc_num; 549 param->rx_pending = priv->ring_data[queue_num].ring->desc_num; 550 } 551 552 static void hns3_get_pauseparam(struct net_device *netdev, 553 struct ethtool_pauseparam *param) 554 { 555 struct hnae3_handle *h = hns3_get_handle(netdev); 556 557 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) 558 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, 559 ¶m->rx_pause, ¶m->tx_pause); 560 } 561 562 static int hns3_set_pauseparam(struct net_device *netdev, 563 struct ethtool_pauseparam *param) 564 { 565 struct hnae3_handle *h = hns3_get_handle(netdev); 566 567 if (h->ae_algo->ops->set_pauseparam) 568 return h->ae_algo->ops->set_pauseparam(h, param->autoneg, 569 param->rx_pause, 570 param->tx_pause); 571 return -EOPNOTSUPP; 572 } 573 574 static int hns3_get_link_ksettings(struct net_device *netdev, 575 struct ethtool_link_ksettings *cmd) 576 { 577 struct hnae3_handle *h = hns3_get_handle(netdev); 578 u32 flowctrl_adv = 0; 579 u32 supported_caps; 580 u32 advertised_caps; 581 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN; 582 u8 link_stat; 583 584 if (!h->ae_algo || !h->ae_algo->ops) 585 return -EOPNOTSUPP; 586 587 /* 1.auto_neg & speed & duplex from cmd */ 588 if (netdev->phydev) 589 phy_ethtool_ksettings_get(netdev->phydev, cmd); 590 else if (h->ae_algo->ops->get_ksettings_an_result) 591 h->ae_algo->ops->get_ksettings_an_result(h, 592 &cmd->base.autoneg, 593 &cmd->base.speed, 594 &cmd->base.duplex); 595 else 596 return -EOPNOTSUPP; 597 598 link_stat = hns3_get_link(netdev); 599 if (!link_stat) { 600 cmd->base.speed = SPEED_UNKNOWN; 601 cmd->base.duplex = DUPLEX_UNKNOWN; 602 } 603 604 /* 2.media_type get from bios parameter block */ 605 if (h->ae_algo->ops->get_media_type) { 606 h->ae_algo->ops->get_media_type(h, &media_type); 607 608 switch (media_type) { 609 case HNAE3_MEDIA_TYPE_FIBER: 610 cmd->base.port = PORT_FIBRE; 611 supported_caps = HNS3_LM_FIBRE_BIT | 612 HNS3_LM_AUTONEG_BIT | 613 HNS3_LM_PAUSE_BIT | 614 HNS3_LM_1000BASET_FULL_BIT; 615 616 advertised_caps = supported_caps; 617 break; 618 case HNAE3_MEDIA_TYPE_COPPER: 619 cmd->base.port = PORT_TP; 620 supported_caps = HNS3_LM_TP_BIT | 621 HNS3_LM_AUTONEG_BIT | 622 HNS3_LM_PAUSE_BIT | 623 HNS3_LM_1000BASET_FULL_BIT | 624 HNS3_LM_100BASET_FULL_BIT | 625 HNS3_LM_100BASET_HALF_BIT | 626 HNS3_LM_10BASET_FULL_BIT | 627 HNS3_LM_10BASET_HALF_BIT; 628 advertised_caps = supported_caps; 629 break; 630 case HNAE3_MEDIA_TYPE_BACKPLANE: 631 cmd->base.port = PORT_NONE; 632 supported_caps = HNS3_LM_BACKPLANE_BIT | 633 HNS3_LM_PAUSE_BIT | 634 HNS3_LM_AUTONEG_BIT | 635 HNS3_LM_1000BASET_FULL_BIT | 636 HNS3_LM_100BASET_FULL_BIT | 637 HNS3_LM_100BASET_HALF_BIT | 638 HNS3_LM_10BASET_FULL_BIT | 639 HNS3_LM_10BASET_HALF_BIT; 640 641 advertised_caps = supported_caps; 642 break; 643 case HNAE3_MEDIA_TYPE_UNKNOWN: 644 default: 645 cmd->base.port = PORT_OTHER; 646 supported_caps = 0; 647 advertised_caps = 0; 648 break; 649 } 650 651 if (!cmd->base.autoneg) 652 advertised_caps &= ~HNS3_LM_AUTONEG_BIT; 653 654 advertised_caps &= ~HNS3_LM_PAUSE_BIT; 655 656 /* now, map driver link modes to ethtool link modes */ 657 hns3_driv_to_eth_caps(supported_caps, cmd, false); 658 hns3_driv_to_eth_caps(advertised_caps, cmd, true); 659 } 660 661 /* 3.mdix_ctrl&mdix get from phy reg */ 662 if (h->ae_algo->ops->get_mdix_mode) 663 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, 664 &cmd->base.eth_tp_mdix); 665 /* 4.mdio_support */ 666 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; 667 668 /* 5.get flow control setttings */ 669 if (h->ae_algo->ops->get_flowctrl_adv) 670 h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv); 671 672 if (flowctrl_adv & ADVERTISED_Pause) 673 ethtool_link_ksettings_add_link_mode(cmd, advertising, 674 Pause); 675 676 if (flowctrl_adv & ADVERTISED_Asym_Pause) 677 ethtool_link_ksettings_add_link_mode(cmd, advertising, 678 Asym_Pause); 679 680 return 0; 681 } 682 683 static int hns3_set_link_ksettings(struct net_device *netdev, 684 const struct ethtool_link_ksettings *cmd) 685 { 686 /* Only support ksettings_set for netdev with phy attached for now */ 687 if (netdev->phydev) 688 return phy_ethtool_ksettings_set(netdev->phydev, cmd); 689 690 return -EOPNOTSUPP; 691 } 692 693 static u32 hns3_get_rss_key_size(struct net_device *netdev) 694 { 695 struct hnae3_handle *h = hns3_get_handle(netdev); 696 697 if (!h->ae_algo || !h->ae_algo->ops || 698 !h->ae_algo->ops->get_rss_key_size) 699 return -EOPNOTSUPP; 700 701 return h->ae_algo->ops->get_rss_key_size(h); 702 } 703 704 static u32 hns3_get_rss_indir_size(struct net_device *netdev) 705 { 706 struct hnae3_handle *h = hns3_get_handle(netdev); 707 708 if (!h->ae_algo || !h->ae_algo->ops || 709 !h->ae_algo->ops->get_rss_indir_size) 710 return -EOPNOTSUPP; 711 712 return h->ae_algo->ops->get_rss_indir_size(h); 713 } 714 715 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, 716 u8 *hfunc) 717 { 718 struct hnae3_handle *h = hns3_get_handle(netdev); 719 720 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) 721 return -EOPNOTSUPP; 722 723 return h->ae_algo->ops->get_rss(h, indir, key, hfunc); 724 } 725 726 static int hns3_set_rss(struct net_device *netdev, const u32 *indir, 727 const u8 *key, const u8 hfunc) 728 { 729 struct hnae3_handle *h = hns3_get_handle(netdev); 730 731 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) 732 return -EOPNOTSUPP; 733 734 /* currently we only support Toeplitz hash */ 735 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) { 736 netdev_err(netdev, 737 "hash func not supported (only Toeplitz hash)\n"); 738 return -EOPNOTSUPP; 739 } 740 if (!indir) { 741 netdev_err(netdev, 742 "set rss failed for indir is empty\n"); 743 return -EOPNOTSUPP; 744 } 745 746 return h->ae_algo->ops->set_rss(h, indir, key, hfunc); 747 } 748 749 static int hns3_get_rxnfc(struct net_device *netdev, 750 struct ethtool_rxnfc *cmd, 751 u32 *rule_locs) 752 { 753 struct hnae3_handle *h = hns3_get_handle(netdev); 754 755 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple) 756 return -EOPNOTSUPP; 757 758 switch (cmd->cmd) { 759 case ETHTOOL_GRXRINGS: 760 cmd->data = h->kinfo.rss_size; 761 break; 762 case ETHTOOL_GRXFH: 763 return h->ae_algo->ops->get_rss_tuple(h, cmd); 764 default: 765 return -EOPNOTSUPP; 766 } 767 768 return 0; 769 } 770 771 static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, 772 u32 new_desc_num) 773 { 774 struct hnae3_handle *h = priv->ae_handle; 775 int i; 776 777 h->kinfo.num_desc = new_desc_num; 778 779 for (i = 0; i < h->kinfo.num_tqps * 2; i++) 780 priv->ring_data[i].ring->desc_num = new_desc_num; 781 782 return hns3_init_all_ring(priv); 783 } 784 785 static int hns3_set_ringparam(struct net_device *ndev, 786 struct ethtool_ringparam *param) 787 { 788 struct hns3_nic_priv *priv = netdev_priv(ndev); 789 struct hnae3_handle *h = priv->ae_handle; 790 bool if_running = netif_running(ndev); 791 u32 old_desc_num, new_desc_num; 792 int ret; 793 794 if (param->rx_mini_pending || param->rx_jumbo_pending) 795 return -EINVAL; 796 797 if (param->tx_pending != param->rx_pending) { 798 netdev_err(ndev, 799 "Descriptors of tx and rx must be equal"); 800 return -EINVAL; 801 } 802 803 if (param->tx_pending > HNS3_RING_MAX_PENDING || 804 param->tx_pending < HNS3_RING_MIN_PENDING) { 805 netdev_err(ndev, 806 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n", 807 param->tx_pending, HNS3_RING_MIN_PENDING, 808 HNS3_RING_MAX_PENDING); 809 return -EINVAL; 810 } 811 812 new_desc_num = param->tx_pending; 813 814 /* Hardware requires that its descriptors must be multiple of eight */ 815 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE); 816 old_desc_num = h->kinfo.num_desc; 817 if (old_desc_num == new_desc_num) 818 return 0; 819 820 netdev_info(ndev, 821 "Changing descriptor count from %d to %d.\n", 822 old_desc_num, new_desc_num); 823 824 if (if_running) 825 dev_close(ndev); 826 827 ret = hns3_uninit_all_ring(priv); 828 if (ret) 829 return ret; 830 831 ret = hns3_change_all_ring_bd_num(priv, new_desc_num); 832 if (ret) { 833 ret = hns3_change_all_ring_bd_num(priv, old_desc_num); 834 if (ret) { 835 netdev_err(ndev, 836 "Revert to old bd num fail, ret=%d.\n", ret); 837 return ret; 838 } 839 } 840 841 if (if_running) 842 ret = dev_open(ndev); 843 844 return ret; 845 } 846 847 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 848 { 849 struct hnae3_handle *h = hns3_get_handle(netdev); 850 851 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple) 852 return -EOPNOTSUPP; 853 854 switch (cmd->cmd) { 855 case ETHTOOL_SRXFH: 856 return h->ae_algo->ops->set_rss_tuple(h, cmd); 857 default: 858 return -EOPNOTSUPP; 859 } 860 } 861 862 static int hns3_nway_reset(struct net_device *netdev) 863 { 864 struct phy_device *phy = netdev->phydev; 865 866 if (!netif_running(netdev)) 867 return 0; 868 869 /* Only support nway_reset for netdev with phy attached for now */ 870 if (!phy) 871 return -EOPNOTSUPP; 872 873 if (phy->autoneg != AUTONEG_ENABLE) 874 return -EINVAL; 875 876 return genphy_restart_aneg(phy); 877 } 878 879 static void hns3_get_channels(struct net_device *netdev, 880 struct ethtool_channels *ch) 881 { 882 struct hnae3_handle *h = hns3_get_handle(netdev); 883 884 if (h->ae_algo->ops->get_channels) 885 h->ae_algo->ops->get_channels(h, ch); 886 } 887 888 static const struct ethtool_ops hns3vf_ethtool_ops = { 889 .get_drvinfo = hns3_get_drvinfo, 890 .get_ringparam = hns3_get_ringparam, 891 .set_ringparam = hns3_set_ringparam, 892 .get_strings = hns3_get_strings, 893 .get_ethtool_stats = hns3_get_stats, 894 .get_sset_count = hns3_get_sset_count, 895 .get_rxnfc = hns3_get_rxnfc, 896 .get_rxfh_key_size = hns3_get_rss_key_size, 897 .get_rxfh_indir_size = hns3_get_rss_indir_size, 898 .get_rxfh = hns3_get_rss, 899 .set_rxfh = hns3_set_rss, 900 .get_link_ksettings = hns3_get_link_ksettings, 901 }; 902 903 static const struct ethtool_ops hns3_ethtool_ops = { 904 .self_test = hns3_self_test, 905 .get_drvinfo = hns3_get_drvinfo, 906 .get_link = hns3_get_link, 907 .get_ringparam = hns3_get_ringparam, 908 .set_ringparam = hns3_set_ringparam, 909 .get_pauseparam = hns3_get_pauseparam, 910 .set_pauseparam = hns3_set_pauseparam, 911 .get_strings = hns3_get_strings, 912 .get_ethtool_stats = hns3_get_stats, 913 .get_sset_count = hns3_get_sset_count, 914 .get_rxnfc = hns3_get_rxnfc, 915 .set_rxnfc = hns3_set_rxnfc, 916 .get_rxfh_key_size = hns3_get_rss_key_size, 917 .get_rxfh_indir_size = hns3_get_rss_indir_size, 918 .get_rxfh = hns3_get_rss, 919 .set_rxfh = hns3_set_rss, 920 .get_link_ksettings = hns3_get_link_ksettings, 921 .set_link_ksettings = hns3_set_link_ksettings, 922 .nway_reset = hns3_nway_reset, 923 .get_channels = hns3_get_channels, 924 .set_channels = hns3_set_channels, 925 }; 926 927 void hns3_ethtool_set_ops(struct net_device *netdev) 928 { 929 struct hnae3_handle *h = hns3_get_handle(netdev); 930 931 if (h->flags & HNAE3_SUPPORT_VF) 932 netdev->ethtool_ops = &hns3vf_ethtool_ops; 933 else 934 netdev->ethtool_ops = &hns3_ethtool_ops; 935 } 936