hns3_ethtool.c 23.2 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11
/*
 * Copyright (c) 2016~2017 Hisilicon Limited.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/etherdevice.h>
#include <linux/string.h>
12
#include <linux/phy.h>
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62

#include "hns3_enet.h"

struct hns3_stats {
	char stats_string[ETH_GSTRING_LEN];
	int stats_size;
	int stats_offset;
};

/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member)	{			\
	.stats_string = _string,				\
	.stats_size = FIELD_SIZEOF(struct ring_stats, _member),	\
	.stats_offset = offsetof(struct hns3_enet_ring, stats),	\
}								\

static const struct hns3_stats hns3_txq_stats[] = {
	/* Tx per-queue statistics */
	HNS3_TQP_STAT("tx_io_err_cnt", io_err_cnt),
	HNS3_TQP_STAT("tx_sw_err_cnt", sw_err_cnt),
	HNS3_TQP_STAT("tx_seg_pkt_cnt", seg_pkt_cnt),
	HNS3_TQP_STAT("tx_pkts", tx_pkts),
	HNS3_TQP_STAT("tx_bytes", tx_bytes),
	HNS3_TQP_STAT("tx_err_cnt", tx_err_cnt),
	HNS3_TQP_STAT("tx_restart_queue", restart_queue),
	HNS3_TQP_STAT("tx_busy", tx_busy),
};

#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)

static const struct hns3_stats hns3_rxq_stats[] = {
	/* Rx per-queue statistics */
	HNS3_TQP_STAT("rx_io_err_cnt", io_err_cnt),
	HNS3_TQP_STAT("rx_sw_err_cnt", sw_err_cnt),
	HNS3_TQP_STAT("rx_seg_pkt_cnt", seg_pkt_cnt),
	HNS3_TQP_STAT("rx_pkts", rx_pkts),
	HNS3_TQP_STAT("rx_bytes", rx_bytes),
	HNS3_TQP_STAT("rx_err_cnt", rx_err_cnt),
	HNS3_TQP_STAT("rx_reuse_pg_cnt", reuse_pg_cnt),
	HNS3_TQP_STAT("rx_err_pkt_len", err_pkt_len),
	HNS3_TQP_STAT("rx_non_vld_descs", non_vld_descs),
	HNS3_TQP_STAT("rx_err_bd_num", err_bd_num),
	HNS3_TQP_STAT("rx_l2_err", l2_err),
	HNS3_TQP_STAT("rx_l3l4_csum_err", l3l4_csum_err),
};

#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)

#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)

63 64 65 66 67 68 69 70 71 72
#define HNS3_SELF_TEST_TPYE_NUM		1
#define HNS3_NIC_LB_TEST_PKT_NUM	1
#define HNS3_NIC_LB_TEST_RING_ID	0
#define HNS3_NIC_LB_TEST_PACKET_SIZE	128

/* Nic loopback test err  */
#define HNS3_NIC_LB_TEST_NO_MEM_ERR	1
#define HNS3_NIC_LB_TEST_TX_CNT_ERR	2
#define HNS3_NIC_LB_TEST_RX_CNT_ERR	3

73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
struct hns3_link_mode_mapping {
	u32 hns3_link_mode;
	u32 ethtool_link_mode;
};

static const struct hns3_link_mode_mapping hns3_lm_map[] = {
	{HNS3_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
	{HNS3_LM_AUTONEG_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
	{HNS3_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT},
	{HNS3_LM_PAUSE_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
	{HNS3_LM_BACKPLANE_BIT, ETHTOOL_LINK_MODE_Backplane_BIT},
	{HNS3_LM_10BASET_HALF_BIT, ETHTOOL_LINK_MODE_10baseT_Half_BIT},
	{HNS3_LM_10BASET_FULL_BIT, ETHTOOL_LINK_MODE_10baseT_Full_BIT},
	{HNS3_LM_100BASET_HALF_BIT, ETHTOOL_LINK_MODE_100baseT_Half_BIT},
	{HNS3_LM_100BASET_FULL_BIT, ETHTOOL_LINK_MODE_100baseT_Full_BIT},
	{HNS3_LM_1000BASET_FULL_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
};

91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352
static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
{
	struct hnae3_handle *h = hns3_get_handle(ndev);
	int ret;

	if (!h->ae_algo->ops->set_loopback ||
	    !h->ae_algo->ops->set_promisc_mode)
		return -EOPNOTSUPP;

	switch (loop) {
	case HNAE3_MAC_INTER_LOOP_MAC:
		ret = h->ae_algo->ops->set_loopback(h, loop, true);
		break;
	case HNAE3_MAC_LOOP_NONE:
		ret = h->ae_algo->ops->set_loopback(h,
			HNAE3_MAC_INTER_LOOP_MAC, false);
		break;
	default:
		ret = -ENOTSUPP;
		break;
	}

	if (ret)
		return ret;

	if (loop == HNAE3_MAC_LOOP_NONE)
		h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC);
	else
		h->ae_algo->ops->set_promisc_mode(h, 1);

	return ret;
}

static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
{
	struct hnae3_handle *h = hns3_get_handle(ndev);
	int ret;

	if (!h->ae_algo->ops->start)
		return -EOPNOTSUPP;

	ret = h->ae_algo->ops->start(h);
	if (ret) {
		netdev_err(ndev,
			   "hns3_lb_up ae start return error: %d\n", ret);
		return ret;
	}

	ret = hns3_lp_setup(ndev, loop_mode);
	usleep_range(10000, 20000);

	return ret;
}

static int hns3_lp_down(struct net_device *ndev)
{
	struct hnae3_handle *h = hns3_get_handle(ndev);
	int ret;

	if (!h->ae_algo->ops->stop)
		return -EOPNOTSUPP;

	ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE);
	if (ret) {
		netdev_err(ndev, "lb_setup return error: %d\n", ret);
		return ret;
	}

	h->ae_algo->ops->stop(h);
	usleep_range(10000, 20000);

	return 0;
}

static void hns3_lp_setup_skb(struct sk_buff *skb)
{
	struct net_device *ndev = skb->dev;
	unsigned char *packet;
	struct ethhdr *ethh;
	unsigned int i;

	skb_reserve(skb, NET_IP_ALIGN);
	ethh = skb_put(skb, sizeof(struct ethhdr));
	packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);

	memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
	eth_zero_addr(ethh->h_source);
	ethh->h_proto = htons(ETH_P_ARP);
	skb_reset_mac_header(skb);

	for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
		packet[i] = (unsigned char)(i & 0xff);
}

static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
				   struct sk_buff *skb)
{
	struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
	unsigned char *packet = skb->data;
	u32 i;

	for (i = 0; i < skb->len; i++)
		if (packet[i] != (unsigned char)(i & 0xff))
			break;

	/* The packet is correctly received */
	if (i == skb->len)
		tqp_vector->rx_group.total_packets++;
	else
		print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
			       skb->data, skb->len, true);

	dev_kfree_skb_any(skb);
}

static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
{
	struct hnae3_handle *h = priv->ae_handle;
	struct hnae3_knic_private_info *kinfo;
	u32 i, rcv_good_pkt_total = 0;

	kinfo = &h->kinfo;
	for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
		struct hns3_enet_ring *ring = priv->ring_data[i].ring;
		struct hns3_enet_ring_group *rx_group;
		u64 pre_rx_pkt;

		rx_group = &ring->tqp_vector->rx_group;
		pre_rx_pkt = rx_group->total_packets;

		hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);

		rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
		rx_group->total_packets = pre_rx_pkt;
	}
	return rcv_good_pkt_total;
}

static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
				  u32 end_ringid, u32 budget)
{
	u32 i;

	for (i = start_ringid; i <= end_ringid; i++) {
		struct hns3_enet_ring *ring = priv->ring_data[i].ring;

		hns3_clean_tx_ring(ring, budget);
	}
}

/**
 * hns3_lp_run_test -  run loopback test
 * @ndev: net device
 * @mode: loopback type
 */
static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct sk_buff *skb;
	u32 i, good_cnt;
	int ret_val = 0;

	skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
			GFP_KERNEL);
	if (!skb)
		return HNS3_NIC_LB_TEST_NO_MEM_ERR;

	skb->dev = ndev;
	hns3_lp_setup_skb(skb);
	skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;

	good_cnt = 0;
	for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
		netdev_tx_t tx_ret;

		skb_get(skb);
		tx_ret = hns3_nic_net_xmit(skb, ndev);
		if (tx_ret == NETDEV_TX_OK)
			good_cnt++;
		else
			netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
				   tx_ret);
	}
	if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
		ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
		netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
			   mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
		goto out;
	}

	/* Allow 200 milliseconds for packets to go from Tx to Rx */
	msleep(200);

	good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
	if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
		ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
		netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
			   mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
	}

out:
	hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
			      HNS3_NIC_LB_TEST_RING_ID,
			      HNS3_NIC_LB_TEST_PKT_NUM);

	kfree_skb(skb);
	return ret_val;
}

/**
 * hns3_nic_self_test - self test
 * @ndev: net device
 * @eth_test: test cmd
 * @data: test result
 */
static void hns3_self_test(struct net_device *ndev,
			   struct ethtool_test *eth_test, u64 *data)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	int st_param[HNS3_SELF_TEST_TPYE_NUM][2];
	bool if_running = netif_running(ndev);
	int test_index = 0;
	u32 i;

	/* Only do offline selftest, or pass by default */
	if (eth_test->flags != ETH_TEST_FL_OFFLINE)
		return;

	st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
	st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
			h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;

	if (if_running)
		dev_close(ndev);

	set_bit(HNS3_NIC_STATE_TESTING, &priv->state);

	for (i = 0; i < HNS3_SELF_TEST_TPYE_NUM; i++) {
		enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];

		if (!st_param[i][1])
			continue;

		data[test_index] = hns3_lp_up(ndev, loop_type);
		if (!data[test_index]) {
			data[test_index] = hns3_lp_run_test(ndev, loop_type);
			hns3_lp_down(ndev);
		}

		if (data[test_index])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		test_index++;
	}

	clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);

	if (if_running)
		dev_open(ndev);
}

353 354 355 356 357 358 359 360 361
static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd,
				  bool is_advertised)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(hns3_lm_map); i++) {
		if (!(caps & hns3_lm_map[i].hns3_link_mode))
			continue;

362
		if (is_advertised)
363 364
			__set_bit(hns3_lm_map[i].ethtool_link_mode,
				  cmd->link_modes.advertising);
365
		else
366 367 368 369 370 371 372
			__set_bit(hns3_lm_map[i].ethtool_link_mode,
				  cmd->link_modes.supported);
	}
}

static int hns3_get_sset_count(struct net_device *netdev, int stringset)
{
373
	struct hnae3_handle *h = hns3_get_handle(netdev);
374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433
	const struct hnae3_ae_ops *ops = h->ae_algo->ops;

	if (!ops->get_sset_count)
		return -EOPNOTSUPP;

	switch (stringset) {
	case ETH_SS_STATS:
		return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
			ops->get_sset_count(h, stringset));

	case ETH_SS_TEST:
		return ops->get_sset_count(h, stringset);
	}

	return 0;
}

static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
				 u32 stat_count, u32 num_tqps)
{
#define MAX_PREFIX_SIZE (8 + 4)
	u32 size_left;
	u32 i, j;
	u32 n1;

	for (i = 0; i < num_tqps; i++) {
		for (j = 0; j < stat_count; j++) {
			data[ETH_GSTRING_LEN - 1] = '\0';

			/* first, prepend the prefix string */
			n1 = snprintf(data, MAX_PREFIX_SIZE, "rcb_q%d_", i);
			n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
			size_left = (ETH_GSTRING_LEN - 1) - n1;

			/* now, concatenate the stats string to it */
			strncat(data, stats[j].stats_string, size_left);
			data += ETH_GSTRING_LEN;
		}
	}

	return data;
}

static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
{
	struct hnae3_knic_private_info *kinfo = &handle->kinfo;

	/* get strings for Tx */
	data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
				   kinfo->num_tqps);

	/* get strings for Rx */
	data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
				   kinfo->num_tqps);

	return data;
}

static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
434
	struct hnae3_handle *h = hns3_get_handle(netdev);
435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485
	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
	char *buff = (char *)data;

	if (!ops->get_strings)
		return;

	switch (stringset) {
	case ETH_SS_STATS:
		buff = hns3_get_strings_tqps(h, buff);
		h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
		break;
	case ETH_SS_TEST:
		ops->get_strings(h, stringset, data);
		break;
	}
}

static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
{
	struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
	struct hns3_enet_ring *ring;
	u8 *stat;
	u32 i;

	/* get stats for Tx */
	for (i = 0; i < kinfo->num_tqps; i++) {
		ring = nic_priv->ring_data[i].ring;
		for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) {
			stat = (u8 *)ring + hns3_txq_stats[i].stats_offset;
			*data++ = *(u64 *)stat;
		}
	}

	/* get stats for Rx */
	for (i = 0; i < kinfo->num_tqps; i++) {
		ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
		for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) {
			stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset;
			*data++ = *(u64 *)stat;
		}
	}

	return data;
}

/* hns3_get_stats - get detail statistics.
 * @netdev: net device
 * @stats: statistics info.
 * @data: statistics data.
 */
486 487
static void hns3_get_stats(struct net_device *netdev,
			   struct ethtool_stats *stats, u64 *data)
488
{
489
	struct hnae3_handle *h = hns3_get_handle(netdev);
490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529
	u64 *p = data;

	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
		netdev_err(netdev, "could not get any statistics\n");
		return;
	}

	h->ae_algo->ops->update_stats(h, &netdev->stats);

	/* get per-queue stats */
	p = hns3_get_stats_tqps(h, p);

	/* get MAC & other misc hardware stats */
	h->ae_algo->ops->get_stats(h, p);
}

static void hns3_get_drvinfo(struct net_device *netdev,
			     struct ethtool_drvinfo *drvinfo)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
	struct hnae3_handle *h = priv->ae_handle;

	strncpy(drvinfo->version, hns3_driver_version,
		sizeof(drvinfo->version));
	drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';

	strncpy(drvinfo->driver, h->pdev->driver->name,
		sizeof(drvinfo->driver));
	drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';

	strncpy(drvinfo->bus_info, pci_name(h->pdev),
		sizeof(drvinfo->bus_info));
	drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';

	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
		 priv->ae_handle->ae_algo->ops->get_fw_version(h));
}

static u32 hns3_get_link(struct net_device *netdev)
{
530
	struct hnae3_handle *h = hns3_get_handle(netdev);
531 532 533 534 535 536 537 538 539 540 541

	if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
		return h->ae_algo->ops->get_status(h);
	else
		return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
			       struct ethtool_ringparam *param)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
542 543
	struct hnae3_handle *h = priv->ae_handle;
	int queue_num = h->kinfo.num_tqps;
544 545 546 547 548 549 550 551 552 553 554

	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

	param->tx_pending = priv->ring_data[0].ring->desc_num;
	param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
555
	struct hnae3_handle *h = hns3_get_handle(netdev);
556 557 558 559 560 561 562 563 564

	if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
565
	struct hnae3_handle *h = hns3_get_handle(netdev);
566 567
	u32 supported_caps;
	u32 advertised_caps;
568
	u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
569 570 571 572 573
	u8 link_stat;

	if (!h->ae_algo || !h->ae_algo->ops)
		return -EOPNOTSUPP;

574
	/* 1.auto_neg & speed & duplex from cmd */
575 576 577 578 579 580 581 582 583 584 585 586 587 588
	if (netdev->phydev)
		phy_ethtool_ksettings_get(netdev->phydev, cmd);
	else if (h->ae_algo->ops->get_ksettings_an_result)
		h->ae_algo->ops->get_ksettings_an_result(h,
							 &cmd->base.autoneg,
							 &cmd->base.speed,
							 &cmd->base.duplex);
	else
		return -EOPNOTSUPP;

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
589 590 591
	}

	/* 2.media_type get from bios parameter block */
592
	if (h->ae_algo->ops->get_media_type) {
593 594
		h->ae_algo->ops->get_media_type(h, &media_type);

595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636
		switch (media_type) {
		case HNAE3_MEDIA_TYPE_FIBER:
			cmd->base.port = PORT_FIBRE;
			supported_caps = HNS3_LM_FIBRE_BIT |
					 HNS3_LM_AUTONEG_BIT |
					 HNS3_LM_PAUSE_BIT |
					 HNS3_LM_1000BASET_FULL_BIT;

			advertised_caps = supported_caps;
			break;
		case HNAE3_MEDIA_TYPE_COPPER:
			cmd->base.port = PORT_TP;
			supported_caps = HNS3_LM_TP_BIT |
					 HNS3_LM_AUTONEG_BIT |
					 HNS3_LM_PAUSE_BIT |
					 HNS3_LM_1000BASET_FULL_BIT |
					 HNS3_LM_100BASET_FULL_BIT |
					 HNS3_LM_100BASET_HALF_BIT |
					 HNS3_LM_10BASET_FULL_BIT |
					 HNS3_LM_10BASET_HALF_BIT;
			advertised_caps = supported_caps;
			break;
		case HNAE3_MEDIA_TYPE_BACKPLANE:
			cmd->base.port = PORT_NONE;
			supported_caps = HNS3_LM_BACKPLANE_BIT |
					 HNS3_LM_PAUSE_BIT |
					 HNS3_LM_AUTONEG_BIT |
					 HNS3_LM_1000BASET_FULL_BIT |
					 HNS3_LM_100BASET_FULL_BIT |
					 HNS3_LM_100BASET_HALF_BIT |
					 HNS3_LM_10BASET_FULL_BIT |
					 HNS3_LM_10BASET_HALF_BIT;

			advertised_caps = supported_caps;
			break;
		case HNAE3_MEDIA_TYPE_UNKNOWN:
		default:
			cmd->base.port = PORT_OTHER;
			supported_caps = 0;
			advertised_caps = 0;
			break;
		}
637

638 639 640
		if (!cmd->base.autoneg)
			advertised_caps &= ~HNS3_LM_AUTONEG_BIT;

641 642 643
		/* now, map driver link modes to ethtool link modes */
		hns3_driv_to_eth_caps(supported_caps, cmd, false);
		hns3_driv_to_eth_caps(advertised_caps, cmd, true);
644 645 646 647 648
	}

	/* 3.mdix_ctrl&mdix get from phy reg */
	if (h->ae_algo->ops->get_mdix_mode)
		h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
649
					       &cmd->base.eth_tp_mdix);
650 651 652 653 654 655
	/* 4.mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;

	return 0;
}

656 657 658 659 660 661 662 663 664 665
static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
	/* Only support ksettings_set for netdev with phy attached for now */
	if (netdev->phydev)
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);

	return -EOPNOTSUPP;
}

666 667
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
668
	struct hnae3_handle *h = hns3_get_handle(netdev);
669 670 671 672 673 674 675 676 677 678

	if (!h->ae_algo || !h->ae_algo->ops ||
	    !h->ae_algo->ops->get_rss_key_size)
		return -EOPNOTSUPP;

	return h->ae_algo->ops->get_rss_key_size(h);
}

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
679
	struct hnae3_handle *h = hns3_get_handle(netdev);
680 681 682 683 684 685 686 687 688 689 690

	if (!h->ae_algo || !h->ae_algo->ops ||
	    !h->ae_algo->ops->get_rss_indir_size)
		return -EOPNOTSUPP;

	return h->ae_algo->ops->get_rss_indir_size(h);
}

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
691
	struct hnae3_handle *h = hns3_get_handle(netdev);
692 693 694 695 696 697 698 699 700 701

	if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
		return -EOPNOTSUPP;

	return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
}

static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
			const u8 *key, const u8 hfunc)
{
702
	struct hnae3_handle *h = hns3_get_handle(netdev);
703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725

	if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
		return -EOPNOTSUPP;

	/* currently we only support Toeplitz hash */
	if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
		netdev_err(netdev,
			   "hash func not supported (only Toeplitz hash)\n");
		return -EOPNOTSUPP;
	}
	if (!indir) {
		netdev_err(netdev,
			   "set rss failed for indir is empty\n");
		return -EOPNOTSUPP;
	}

	return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
}

static int hns3_get_rxnfc(struct net_device *netdev,
			  struct ethtool_rxnfc *cmd,
			  u32 *rule_locs)
{
726
	struct hnae3_handle *h = hns3_get_handle(netdev);
727

728
	if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
729 730 731 732
		return -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
733
		cmd->data = h->kinfo.num_tc * h->kinfo.rss_size;
734
		break;
L
Lipeng 已提交
735 736
	case ETHTOOL_GRXFH:
		return h->ae_algo->ops->get_rss_tuple(h, cmd);
737 738 739 740 741 742 743
	default:
		return -EOPNOTSUPP;
	}

	return 0;
}

744 745
static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
				       u32 new_desc_num)
L
Lipeng 已提交
746 747 748 749 750 751 752 753 754 755 756 757
{
	struct hnae3_handle *h = priv->ae_handle;
	int i;

	h->kinfo.num_desc = new_desc_num;

	for (i = 0; i < h->kinfo.num_tqps * 2; i++)
		priv->ring_data[i].ring->desc_num = new_desc_num;

	return hns3_init_all_ring(priv);
}

758 759
static int hns3_set_ringparam(struct net_device *ndev,
			      struct ethtool_ringparam *param)
L
Lipeng 已提交
760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	bool if_running = netif_running(ndev);
	u32 old_desc_num, new_desc_num;
	int ret;

	if (param->rx_mini_pending || param->rx_jumbo_pending)
		return -EINVAL;

	if (param->tx_pending != param->rx_pending) {
		netdev_err(ndev,
			   "Descriptors of tx and rx must be equal");
		return -EINVAL;
	}

	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
	    param->tx_pending < HNS3_RING_MIN_PENDING) {
		netdev_err(ndev,
			   "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
			   param->tx_pending, HNS3_RING_MIN_PENDING,
			   HNS3_RING_MAX_PENDING);
		return -EINVAL;
	}

	new_desc_num = param->tx_pending;

	/* Hardware requires that its descriptors must be multiple of eight */
	new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
	old_desc_num = h->kinfo.num_desc;
	if (old_desc_num == new_desc_num)
		return 0;

	netdev_info(ndev,
		    "Changing descriptor count from %d to %d.\n",
		    old_desc_num, new_desc_num);

	if (if_running)
		dev_close(ndev);

	ret = hns3_uninit_all_ring(priv);
	if (ret)
		return ret;

	ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
	if (ret) {
		ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
		if (ret) {
			netdev_err(ndev,
				   "Revert to old bd num fail, ret=%d.\n", ret);
			return ret;
		}
	}

	if (if_running)
		ret = dev_open(ndev);

	return ret;
}

L
Lipeng 已提交
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834
static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

	if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
		return -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
		return h->ae_algo->ops->set_rss_tuple(h, cmd);
	default:
		return -EOPNOTSUPP;
	}
}

835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851
static int hns3_nway_reset(struct net_device *netdev)
{
	struct phy_device *phy = netdev->phydev;

	if (!netif_running(netdev))
		return 0;

	/* Only support nway_reset for netdev with phy attached for now */
	if (!phy)
		return -EOPNOTSUPP;

	if (phy->autoneg != AUTONEG_ENABLE)
		return -EINVAL;

	return genphy_restart_aneg(phy);
}

852 853 854 855 856 857 858 859 860
void hns3_get_channels(struct net_device *netdev,
		       struct ethtool_channels *ch)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

	if (h->ae_algo->ops->get_channels)
		h->ae_algo->ops->get_channels(h, ch);
}

861 862 863 864 865 866 867 868 869 870 871 872 873 874 875
static const struct ethtool_ops hns3vf_ethtool_ops = {
	.get_drvinfo = hns3_get_drvinfo,
	.get_ringparam = hns3_get_ringparam,
	.set_ringparam = hns3_set_ringparam,
	.get_strings = hns3_get_strings,
	.get_ethtool_stats = hns3_get_stats,
	.get_sset_count = hns3_get_sset_count,
	.get_rxnfc = hns3_get_rxnfc,
	.get_rxfh_key_size = hns3_get_rss_key_size,
	.get_rxfh_indir_size = hns3_get_rss_indir_size,
	.get_rxfh = hns3_get_rss,
	.set_rxfh = hns3_set_rss,
	.get_link_ksettings = hns3_get_link_ksettings,
};

876
static const struct ethtool_ops hns3_ethtool_ops = {
877
	.self_test = hns3_self_test,
878 879 880
	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
L
Lipeng 已提交
881
	.set_ringparam = hns3_set_ringparam,
882 883 884 885 886
	.get_pauseparam = hns3_get_pauseparam,
	.get_strings = hns3_get_strings,
	.get_ethtool_stats = hns3_get_stats,
	.get_sset_count = hns3_get_sset_count,
	.get_rxnfc = hns3_get_rxnfc,
L
Lipeng 已提交
887
	.set_rxnfc = hns3_set_rxnfc,
888 889 890 891 892
	.get_rxfh_key_size = hns3_get_rss_key_size,
	.get_rxfh_indir_size = hns3_get_rss_indir_size,
	.get_rxfh = hns3_get_rss,
	.set_rxfh = hns3_set_rss,
	.get_link_ksettings = hns3_get_link_ksettings,
893
	.set_link_ksettings = hns3_set_link_ksettings,
894
	.nway_reset = hns3_nway_reset,
895
	.get_channels = hns3_get_channels,
896 897 898 899
};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
900 901 902 903 904 905
	struct hnae3_handle *h = hns3_get_handle(netdev);

	if (h->flags & HNAE3_SUPPORT_VF)
		netdev->ethtool_ops = &hns3vf_ethtool_ops;
	else
		netdev->ethtool_ops = &hns3_ethtool_ops;
906
}