ice_ethtool.c 109.8 KB
Newer Older
1 2 3 4 5 6
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */

/* ethtool support for ice */

#include "ice.h"
7
#include "ice_flow.h"
8 9
#include "ice_lib.h"
#include "ice_dcb_lib.h"
10 11 12 13 14 15 16 17 18

struct ice_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define ICE_STAT(_type, _name, _stat) { \
	.stat_string = _name, \
19
	.sizeof_stat = sizeof_field(_type, _stat), \
20 21 22 23 24 25 26 27 28 29 30 31
	.stat_offset = offsetof(_type, _stat) \
}

#define ICE_VSI_STAT(_name, _stat) \
		ICE_STAT(struct ice_vsi, _name, _stat)
#define ICE_PF_STAT(_name, _stat) \
		ICE_STAT(struct ice_pf, _name, _stat)

static int ice_q_stats_len(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);

32
	return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
33 34 35 36 37 38
		(sizeof(struct ice_q_stats) / sizeof(u64)));
}

#define ICE_PF_STATS_LEN	ARRAY_SIZE(ice_gstrings_pf_stats)
#define ICE_VSI_STATS_LEN	ARRAY_SIZE(ice_gstrings_vsi_stats)

39
#define ICE_PFC_STATS_LEN ( \
40 41 42 43
		(sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
		 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
		 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
		 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
44 45 46
		 / sizeof(u64))
#define ICE_ALL_STATS_LEN(n)	(ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
				 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
47 48 49

static const struct ice_stats ice_gstrings_vsi_stats[] = {
	ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
50
	ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
51
	ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
52
	ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
53
	ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
54
	ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
55
	ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
56 57
	ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
	ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
58 59 60
	ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
	ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
	ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
61 62
	ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
	ICE_VSI_STAT("tx_linearize", tx_linearize),
63 64
};

65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
enum ice_ethtool_test_id {
	ICE_ETH_TEST_REG = 0,
	ICE_ETH_TEST_EEPROM,
	ICE_ETH_TEST_INTR,
	ICE_ETH_TEST_LOOP,
	ICE_ETH_TEST_LINK,
};

static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)",
	"EEPROM test    (offline)",
	"Interrupt test (offline)",
	"Loopback test  (offline)",
	"Link test   (on/offline)",
};

#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)

83 84 85 86 87 88 89 90 91
/* These PF_STATs might look like duplicates of some NETDEV_STATs,
 * but they aren't. This device is capable of supporting multiple
 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
 * netdevs whereas the PF_STATs are for the physical function that's
 * hosting these netdevs.
 *
 * The PF_STATs are appended to the netdev stats only when ethtool -S
 * is queried on the base PF netdev.
 */
92
static const struct ice_stats ice_gstrings_pf_stats[] = {
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
	ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
	ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
	ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
	ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
	ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
	ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
	ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
	ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
	ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
	ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
	ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
	ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
	ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
	ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
	ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
	ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
	ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
	ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
	ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
	ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
	ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
	ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
	ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
	ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
	ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
	ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
	ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
	ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
	ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
	ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
	ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
	ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
	ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
	ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
	ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
	ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
	ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
	ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
	ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
132 133
};

134
static const u32 ice_regs_dump_list[] = {
135 136 137 138 139 140 141
	PFGEN_STATE,
	PRTGEN_STATUS,
	QRX_CTRL(0),
	QINT_TQCTL(0),
	QINT_RQCTL(0),
	PFINT_OICR_ENA,
	QRX_ITR(0),
142 143 144
	PF0INT_ITR_0(0),
	PF0INT_ITR_1(0),
	PF0INT_ITR_2(0),
145 146
};

147 148 149 150 151 152 153 154 155 156 157 158
struct ice_priv_flag {
	char name[ETH_GSTRING_LEN];
	u32 bitno;			/* bit position in pf->flags */
};

#define ICE_PRIV_FLAG(_name, _bitno) { \
	.name = _name, \
	.bitno = _bitno, \
}

static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
	ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
159
	ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
160
	ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
M
Maciej Fijalkowski 已提交
161
	ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
162 163 164 165
};

#define ICE_PRIV_FLAG_ARRAY_SIZE	ARRAY_SIZE(ice_gstrings_priv_flags)

166 167 168 169 170 171
static void
ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
172
	struct ice_hw *hw = &pf->hw;
173 174 175 176 177
	struct ice_orom_info *orom;
	struct ice_nvm_info *nvm;

	nvm = &hw->nvm;
	orom = &nvm->orom;
178

179 180
	strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
	strscpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version));
181 182 183 184 185

	/* Display NVM version (from which the firmware version can be
	 * determined) which contains more pertinent information.
	 */
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
186 187
		 "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver,
		 nvm->eetrack, orom->major, orom->build, orom->patch);
188

189
	strscpy(drvinfo->bus_info, pci_name(pf->pdev),
190
		sizeof(drvinfo->bus_info));
191
	drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
192 193 194 195
}

static int ice_get_regs_len(struct net_device __always_unused *netdev)
{
196
	return sizeof(ice_regs_dump_list);
197 198 199 200 201 202 203 204 205 206 207 208 209
}

static void
ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;
	struct ice_hw *hw = &pf->hw;
	u32 *regs_buf = (u32 *)p;
	int i;

	regs->version = 1;

210
	for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
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
		regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
}

static u32 ice_get_msglevel(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;

#ifndef CONFIG_DYNAMIC_DEBUG
	if (pf->hw.debug_mask)
		netdev_info(netdev, "hw debug_mask: 0x%llX\n",
			    pf->hw.debug_mask);
#endif /* !CONFIG_DYNAMIC_DEBUG */

	return pf->msg_enable;
}

static void ice_set_msglevel(struct net_device *netdev, u32 data)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;

#ifndef CONFIG_DYNAMIC_DEBUG
	if (ICE_DBG_USER & data)
		pf->hw.debug_mask = data;
	else
		pf->msg_enable = data;
#else
	pf->msg_enable = data;
#endif /* !CONFIG_DYNAMIC_DEBUG */
}

243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264
static int ice_get_eeprom_len(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;

	return (int)(pf->hw.nvm.sr_words * sizeof(u16));
}

static int
ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
	       u8 *bytes)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	u16 first_word, last_word, nwords;
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	struct device *dev;
	int ret = 0;
	u16 *buf;

B
Brett Creeley 已提交
265
	dev = ice_pf_to_dev(pf);
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

	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

	first_word = eeprom->offset >> 1;
	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
	nwords = last_word - first_word + 1;

	buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	status = ice_read_sr_buf(hw, first_word, &nwords, buf);
	if (status) {
		dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n",
			status, hw->adminq.sq_last_status);
		eeprom->len = sizeof(u16) * nwords;
		ret = -EIO;
		goto out;
	}

	memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len);
out:
	devm_kfree(dev, buf);
	return ret;
}

292 293 294 295 296 297 298 299 300 301
/**
 * ice_active_vfs - check if there are any active VFs
 * @pf: board private structure
 *
 * Returns true if an active VF is found, otherwise returns false
 */
static bool ice_active_vfs(struct ice_pf *pf)
{
	int i;

B
Brett Creeley 已提交
302 303 304
	ice_for_each_vf(pf, i) {
		struct ice_vf *vf = &pf->vf[i];

305 306
		if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
			return true;
B
Brett Creeley 已提交
307 308
	}

309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
	return false;
}

/**
 * ice_link_test - perform a link test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_link_test(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	enum ice_status status;
	bool link_up = false;

	netdev_info(netdev, "link test\n");
	status = ice_get_link_status(np->vsi->port_info, &link_up);
	if (status) {
		netdev_err(netdev, "link query error, status = %d\n", status);
		return 1;
	}

	if (!link_up)
		return 2;

	return 0;
}

/**
 * ice_eeprom_test - perform an EEPROM test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_eeprom_test(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;

	netdev_info(netdev, "EEPROM test\n");
	return !!(ice_nvm_validate_checksum(&pf->hw));
}

/**
 * ice_reg_pattern_test
 * @hw: pointer to the HW struct
 * @reg: reg to be tested
 * @mask: bits to be touched
 */
static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
{
	struct ice_pf *pf = (struct ice_pf *)hw->back;
B
Brett Creeley 已提交
363
	struct device *dev = ice_pf_to_dev(pf);
364 365 366 367 368 369 370 371 372 373 374 375 376 377 378
	static const u32 patterns[] = {
		0x5A5A5A5A, 0xA5A5A5A5,
		0x00000000, 0xFFFFFFFF
	};
	u32 val, orig_val;
	int i;

	orig_val = rd32(hw, reg);
	for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
		u32 pattern = patterns[i] & mask;

		wr32(hw, reg, pattern);
		val = rd32(hw, reg);
		if (val == pattern)
			continue;
379
		dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
380 381 382 383 384 385 386
			, __func__, reg, pattern, val);
		return 1;
	}

	wr32(hw, reg, orig_val);
	val = rd32(hw, reg);
	if (val != orig_val) {
387
		dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466
			, __func__, reg, orig_val, val);
		return 1;
	}

	return 0;
}

/**
 * ice_reg_test - perform a register test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_reg_test(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_hw *hw = np->vsi->port_info->hw;
	u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
		hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
	struct ice_diag_reg_test_info {
		u32 address;
		u32 mask;
		u32 elem_num;
		u32 elem_size;
	} ice_reg_list[] = {
		{GLINT_ITR(0, 0), 0x00000fff, int_elements,
			GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
		{GLINT_ITR(1, 0), 0x00000fff, int_elements,
			GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
		{GLINT_ITR(0, 0), 0x00000fff, int_elements,
			GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
		{GLINT_CTL, 0xffff0001, 1, 0}
	};
	int i;

	netdev_dbg(netdev, "Register test\n");
	for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
		u32 j;

		for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
			u32 mask = ice_reg_list[i].mask;
			u32 reg = ice_reg_list[i].address +
				(j * ice_reg_list[i].elem_size);

			/* bail on failure (non-zero return) */
			if (ice_reg_pattern_test(hw, reg, mask))
				return 1;
		}
	}

	return 0;
}

/**
 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 * @vsi: pointer to the VSI structure
 *
 * Function configures rings of a VSI for loopback test without
 * enabling interrupts or informing the kernel about new queues.
 *
 * Returns 0 on success, negative on failure.
 */
static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
{
	int status;

	status = ice_vsi_setup_tx_rings(vsi);
	if (status)
		goto err_setup_tx_ring;

	status = ice_vsi_setup_rx_rings(vsi);
	if (status)
		goto err_setup_rx_ring;

	status = ice_vsi_cfg(vsi);
	if (status)
		goto err_setup_rx_ring;

467
	status = ice_vsi_start_all_rx_rings(vsi);
468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498
	if (status)
		goto err_start_rx_ring;

	return status;

err_start_rx_ring:
	ice_vsi_free_rx_rings(vsi);
err_setup_rx_ring:
	ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
err_setup_tx_ring:
	ice_vsi_free_tx_rings(vsi);

	return status;
}

/**
 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 * @vsi: pointer to the VSI structure
 *
 * Function stops and frees VSI rings after a loopback test.
 * Returns 0 on success, negative on failure.
 */
static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
{
	int status;

	status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
	if (status)
		netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
			   vsi->vsi_num, status);

499
	status = ice_vsi_stop_all_rx_rings(vsi);
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
	if (status)
		netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
			   vsi->vsi_num, status);

	ice_vsi_free_tx_rings(vsi);
	ice_vsi_free_rx_rings(vsi);

	return status;
}

/**
 * ice_lbtest_create_frame - create test packet
 * @pf: pointer to the PF structure
 * @ret_data: allocated frame buffer
 * @size: size of the packet data
 *
 * Function allocates a frame with a test pattern on specific offsets.
 * Returns 0 on success, non-zero on failure.
 */
static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
{
	u8 *data;

	if (!pf)
		return -EINVAL;

B
Brett Creeley 已提交
526
	data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642
	if (!data)
		return -ENOMEM;

	/* Since the ethernet test frame should always be at least
	 * 64 bytes long, fill some octets in the payload with test data.
	 */
	memset(data, 0xFF, size);
	data[32] = 0xDE;
	data[42] = 0xAD;
	data[44] = 0xBE;
	data[46] = 0xEF;

	*ret_data = data;

	return 0;
}

/**
 * ice_lbtest_check_frame - verify received loopback frame
 * @frame: pointer to the raw packet data
 *
 * Function verifies received test frame with a pattern.
 * Returns true if frame matches the pattern, false otherwise.
 */
static bool ice_lbtest_check_frame(u8 *frame)
{
	/* Validate bytes of a frame under offsets chosen earlier */
	if (frame[32] == 0xDE &&
	    frame[42] == 0xAD &&
	    frame[44] == 0xBE &&
	    frame[46] == 0xEF &&
	    frame[48] == 0xFF)
		return true;

	return false;
}

/**
 * ice_diag_send - send test frames to the test ring
 * @tx_ring: pointer to the transmit ring
 * @data: pointer to the raw packet data
 * @size: size of the packet to send
 *
 * Function sends loopback packets on a test Tx ring.
 */
static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size)
{
	struct ice_tx_desc *tx_desc;
	struct ice_tx_buf *tx_buf;
	dma_addr_t dma;
	u64 td_cmd;

	tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
	tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];

	dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
	if (dma_mapping_error(tx_ring->dev, dma))
		return -EINVAL;

	tx_desc->buf_addr = cpu_to_le64(dma);

	/* These flags are required for a descriptor to be pushed out */
	td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
	tx_desc->cmd_type_offset_bsz =
		cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
			    (td_cmd << ICE_TXD_QW1_CMD_S) |
			    ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
			    ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
			    ((u64)0 << ICE_TXD_QW1_L2TAG1_S));

	tx_buf->next_to_watch = tx_desc;

	/* Force memory write to complete before letting h/w know
	 * there are new descriptors to fetch.
	 */
	wmb();

	tx_ring->next_to_use++;
	if (tx_ring->next_to_use >= tx_ring->count)
		tx_ring->next_to_use = 0;

	writel_relaxed(tx_ring->next_to_use, tx_ring->tail);

	/* Wait until the packets get transmitted to the receive queue. */
	usleep_range(1000, 2000);
	dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);

	return 0;
}

#define ICE_LB_FRAME_SIZE 64
/**
 * ice_lbtest_receive_frames - receive and verify test frames
 * @rx_ring: pointer to the receive ring
 *
 * Function receives loopback packets and verify their correctness.
 * Returns number of received valid frames.
 */
static int ice_lbtest_receive_frames(struct ice_ring *rx_ring)
{
	struct ice_rx_buf *rx_buf;
	int valid_frames, i;
	u8 *received_buf;

	valid_frames = 0;

	for (i = 0; i < rx_ring->count; i++) {
		union ice_32b_rx_flex_desc *rx_desc;

		rx_desc = ICE_RX_DESC(rx_ring, i);

		if (!(rx_desc->wb.status_error0 &
		    cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
			continue;

		rx_buf = &rx_ring->rx_buf[i];
643
		received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667

		if (ice_lbtest_check_frame(received_buf))
			valid_frames++;
	}

	return valid_frames;
}

/**
 * ice_loopback_test - perform a loopback test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_loopback_test(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
	struct ice_pf *pf = orig_vsi->back;
	struct ice_ring *tx_ring, *rx_ring;
	u8 broadcast[ETH_ALEN], ret = 0;
	int num_frames, valid_frames;
	LIST_HEAD(tmp_list);
B
Brett Creeley 已提交
668
	struct device *dev;
669 670 671
	u8 *tx_frame;
	int i;

B
Brett Creeley 已提交
672
	dev = ice_pf_to_dev(pf);
673 674 675 676
	netdev_info(netdev, "loopback test\n");

	test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
	if (!test_vsi) {
677
		netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732
		return 1;
	}

	test_vsi->netdev = netdev;
	tx_ring = test_vsi->tx_rings[0];
	rx_ring = test_vsi->rx_rings[0];

	if (ice_lbtest_prepare_rings(test_vsi)) {
		ret = 2;
		goto lbtest_vsi_close;
	}

	if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
		ret = 3;
		goto lbtest_rings_dis;
	}

	/* Enable MAC loopback in firmware */
	if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
		ret = 4;
		goto lbtest_mac_dis;
	}

	/* Test VSI needs to receive broadcast packets */
	eth_broadcast_addr(broadcast);
	if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) {
		ret = 5;
		goto lbtest_mac_dis;
	}

	if (ice_add_mac(&pf->hw, &tmp_list)) {
		ret = 6;
		goto free_mac_list;
	}

	if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
		ret = 7;
		goto remove_mac_filters;
	}

	num_frames = min_t(int, tx_ring->count, 32);
	for (i = 0; i < num_frames; i++) {
		if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
			ret = 8;
			goto lbtest_free_frame;
		}
	}

	valid_frames = ice_lbtest_receive_frames(rx_ring);
	if (!valid_frames)
		ret = 9;
	else if (valid_frames != num_frames)
		ret = 10;

lbtest_free_frame:
B
Brett Creeley 已提交
733
	devm_kfree(dev, tx_frame);
734 735
remove_mac_filters:
	if (ice_remove_mac(&pf->hw, &tmp_list))
736
		netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
737
free_mac_list:
B
Brett Creeley 已提交
738
	ice_free_fltr_list(dev, &tmp_list);
739 740 741 742 743 744 745 746 747 748
lbtest_mac_dis:
	/* Disable MAC loopback after the test is completed. */
	if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
		netdev_err(netdev, "Could not disable MAC loopback\n");
lbtest_rings_dis:
	if (ice_lbtest_disable_rings(test_vsi))
		netdev_err(netdev, "Could not disable test rings\n");
lbtest_vsi_close:
	test_vsi->netdev = NULL;
	if (ice_vsi_release(test_vsi))
749
		netdev_err(netdev, "Failed to remove the test VSI\n");
750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768

	return ret;
}

/**
 * ice_intr_test - perform an interrupt test on a given net_device
 * @netdev: network interface device structure
 *
 * This function performs one of the self-tests required by ethtool.
 * Returns 0 on success, non-zero on failure.
 */
static u64 ice_intr_test(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_pf *pf = np->vsi->back;
	u16 swic_old = pf->sw_int_count;

	netdev_info(netdev, "interrupt test\n");

B
Brett Creeley 已提交
769
	wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
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
	     GLINT_DYN_CTL_SW_ITR_INDX_M |
	     GLINT_DYN_CTL_INTENA_MSK_M |
	     GLINT_DYN_CTL_SWINT_TRIG_M);

	usleep_range(1000, 2000);
	return (swic_old == pf->sw_int_count);
}

/**
 * ice_self_test - handler function for performing a self-test by ethtool
 * @netdev: network interface device structure
 * @eth_test: ethtool_test structure
 * @data: required by ethtool.self_test
 *
 * This function is called after invoking 'ethtool -t devname' command where
 * devname is the name of the network device on which ethtool should operate.
 * It performs a set of self-tests to check if a device works properly.
 */
static void
ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
	      u64 *data)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	bool if_running = netif_running(netdev);
	struct ice_pf *pf = np->vsi->back;
B
Brett Creeley 已提交
795 796 797
	struct device *dev;

	dev = ice_pf_to_dev(pf);
798 799 800 801 802 803 804

	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		netdev_info(netdev, "offline testing starting\n");

		set_bit(__ICE_TESTING, pf->state);

		if (ice_active_vfs(pf)) {
805
			dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838
			data[ICE_ETH_TEST_REG] = 1;
			data[ICE_ETH_TEST_EEPROM] = 1;
			data[ICE_ETH_TEST_INTR] = 1;
			data[ICE_ETH_TEST_LOOP] = 1;
			data[ICE_ETH_TEST_LINK] = 1;
			eth_test->flags |= ETH_TEST_FL_FAILED;
			clear_bit(__ICE_TESTING, pf->state);
			goto skip_ol_tests;
		}
		/* If the device is online then take it offline */
		if (if_running)
			/* indicate we're in test mode */
			ice_stop(netdev);

		data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
		data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
		data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
		data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
		data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);

		if (data[ICE_ETH_TEST_LINK] ||
		    data[ICE_ETH_TEST_EEPROM] ||
		    data[ICE_ETH_TEST_LOOP] ||
		    data[ICE_ETH_TEST_INTR] ||
		    data[ICE_ETH_TEST_REG])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		clear_bit(__ICE_TESTING, pf->state);

		if (if_running) {
			int status = ice_open(netdev);

			if (status) {
839
				dev_err(dev, "Could not open device %s, err %d\n",
840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861
					pf->int_name, status);
			}
		}
	} else {
		/* Online tests */
		netdev_info(netdev, "online testing starting\n");

		data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
		if (data[ICE_ETH_TEST_LINK])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline only tests, not run in online; pass by default */
		data[ICE_ETH_TEST_REG] = 0;
		data[ICE_ETH_TEST_EEPROM] = 0;
		data[ICE_ETH_TEST_INTR] = 0;
		data[ICE_ETH_TEST_LOOP] = 0;
	}

skip_ol_tests:
	netdev_info(netdev, "testing finished\n");
}

862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	char *p = (char *)data;
	unsigned int i;

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < ICE_VSI_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 ice_gstrings_vsi_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}

877
		ice_for_each_alloc_txq(vsi, i) {
878
			snprintf(p, ETH_GSTRING_LEN,
879
				 "tx_queue_%u_packets", i);
880
			p += ETH_GSTRING_LEN;
881
			snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
882 883 884
			p += ETH_GSTRING_LEN;
		}

885
		ice_for_each_alloc_rxq(vsi, i) {
886
			snprintf(p, ETH_GSTRING_LEN,
887
				 "rx_queue_%u_packets", i);
888
			p += ETH_GSTRING_LEN;
889
			snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
890 891 892 893 894 895 896
			p += ETH_GSTRING_LEN;
		}

		if (vsi->type != ICE_VSI_PF)
			return;

		for (i = 0; i < ICE_PF_STATS_LEN; i++) {
897
			snprintf(p, ETH_GSTRING_LEN, "%s",
898 899 900 901
				 ice_gstrings_pf_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}

902 903
		for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
904
				 "tx_priority_%u_xon.nic", i);
905 906
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
907
				 "tx_priority_%u_xoff.nic", i);
908 909 910 911
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
912
				 "rx_priority_%u_xon.nic", i);
913 914
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
915
				 "rx_priority_%u_xoff.nic", i);
916 917
			p += ETH_GSTRING_LEN;
		}
918
		break;
919 920 921
	case ETH_SS_TEST:
		memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
		break;
922 923 924 925 926 927
	case ETH_SS_PRIV_FLAGS:
		for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 ice_gstrings_priv_flags[i].name);
			p += ETH_GSTRING_LEN;
		}
928 929 930 931 932 933
		break;
	default:
		break;
	}
}

934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956
static int
ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	bool led_active;

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		led_active = true;
		break;
	case ETHTOOL_ID_INACTIVE:
		led_active = false;
		break;
	default:
		return -EINVAL;
	}

	if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
		return -EIO;

	return 0;
}

957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983
/**
 * ice_set_fec_cfg - Set link FEC options
 * @netdev: network interface device structure
 * @req_fec: FEC mode to configure
 */
static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_aqc_set_phy_cfg_data config = { 0 };
	struct ice_aqc_get_phy_caps_data *caps;
	struct ice_vsi *vsi = np->vsi;
	u8 sw_cfg_caps, sw_cfg_fec;
	struct ice_port_info *pi;
	enum ice_status status;
	int err = 0;

	pi = vsi->port_info;
	if (!pi)
		return -EOPNOTSUPP;

	/* Changing the FEC parameters is not supported if not the PF VSI */
	if (vsi->type != ICE_VSI_PF) {
		netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
		return -EOPNOTSUPP;
	}

	/* Get last SW configuration */
984
	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028
	if (!caps)
		return -ENOMEM;

	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG,
				     caps, NULL);
	if (status) {
		err = -EAGAIN;
		goto done;
	}

	/* Copy SW configuration returned from PHY caps to PHY config */
	ice_copy_phy_caps_to_cfg(caps, &config);
	sw_cfg_caps = caps->caps;
	sw_cfg_fec = caps->link_fec_options;

	/* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */
	memset(caps, 0, sizeof(*caps));

	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
				     caps, NULL);
	if (status) {
		err = -EAGAIN;
		goto done;
	}

	config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC);
	config.link_fec_opt = caps->link_fec_options;

	ice_cfg_phy_fec(&config, req_fec);

	/* If FEC mode has changed, then set PHY configuration and enable AN. */
	if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) !=
	    (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) ||
	    config.link_fec_opt != sw_cfg_fec) {
		if (caps->caps & ICE_AQC_PHY_AN_MODE)
			config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;

		status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL);

		if (status)
			err = -EAGAIN;
	}

done:
1029
	kfree(caps);
1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
	return err;
}

/**
 * ice_set_fecparam - Set FEC link options
 * @netdev: network interface device structure
 * @fecparam: Ethtool structure to retrieve FEC parameters
 */
static int
ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	enum ice_fec_mode fec;

	switch (fecparam->fec) {
	case ETHTOOL_FEC_AUTO:
		fec = ICE_FEC_AUTO;
		break;
	case ETHTOOL_FEC_RS:
		fec = ICE_FEC_RS;
		break;
	case ETHTOOL_FEC_BASER:
		fec = ICE_FEC_BASER;
		break;
	case ETHTOOL_FEC_OFF:
	case ETHTOOL_FEC_NONE:
		fec = ICE_FEC_NONE;
		break;
	default:
A
Anirudh Venkataramanan 已提交
1060
		dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
			 fecparam->fec);
		return -EINVAL;
	}

	return ice_set_fec_cfg(netdev, fec);
}

/**
 * ice_get_fecparam - Get link FEC options
 * @netdev: network interface device structure
 * @fecparam: Ethtool structure to retrieve FEC parameters
 */
static int
ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_aqc_get_phy_caps_data *caps;
	struct ice_link_status *link_info;
	struct ice_vsi *vsi = np->vsi;
	struct ice_port_info *pi;
	enum ice_status status;
	int err = 0;

	pi = vsi->port_info;

	if (!pi)
		return -EOPNOTSUPP;
	link_info = &pi->phy.link_info;

	/* Set FEC mode based on negotiated link info */
	switch (link_info->fec_info) {
	case ICE_AQ_LINK_25G_KR_FEC_EN:
		fecparam->active_fec = ETHTOOL_FEC_BASER;
		break;
	case ICE_AQ_LINK_25G_RS_528_FEC_EN:
	case ICE_AQ_LINK_25G_RS_544_FEC_EN:
		fecparam->active_fec = ETHTOOL_FEC_RS;
		break;
	default:
		fecparam->active_fec = ETHTOOL_FEC_OFF;
		break;
	}

1104
	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
	if (!caps)
		return -ENOMEM;

	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
				     caps, NULL);
	if (status) {
		err = -EAGAIN;
		goto done;
	}

	/* Set supported/configured FEC modes based on PHY capability */
	if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
		fecparam->fec |= ETHTOOL_FEC_AUTO;
	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
		fecparam->fec |= ETHTOOL_FEC_BASER;
	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
		fecparam->fec |= ETHTOOL_FEC_RS;
	if (caps->link_fec_options == 0)
		fecparam->fec |= ETHTOOL_FEC_OFF;

done:
1131
	kfree(caps);
1132 1133 1134
	return err;
}

1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161
/**
 * ice_nway_reset - restart autonegotiation
 * @netdev: network interface device structure
 */
static int ice_nway_reset(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_port_info *pi;
	enum ice_status status;

	pi = vsi->port_info;
	/* If VSI state is up, then restart autoneg with link up */
	if (!test_bit(__ICE_DOWN, vsi->back->state))
		status = ice_aq_set_link_restart_an(pi, true, NULL);
	else
		status = ice_aq_set_link_restart_an(pi, false, NULL);

	if (status) {
		netdev_info(netdev, "link restart failed, err %d aq_err %d\n",
			    status, pi->hw->adminq.sq_last_status);
		return -EIO;
	}

	return 0;
}

1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
/**
 * ice_get_priv_flags - report device private flags
 * @netdev: network interface device structure
 *
 * The get string set count and the string set should be matched for each
 * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
 * array.
 *
 * Returns a u32 bitmap of flags.
 */
static u32 ice_get_priv_flags(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	u32 i, ret_flags = 0;

	for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
		const struct ice_priv_flag *priv_flag;

		priv_flag = &ice_gstrings_priv_flags[i];

		if (test_bit(priv_flag->bitno, pf->flags))
			ret_flags |= BIT(i);
	}

	return ret_flags;
}

/**
 * ice_set_priv_flags - set private flags
 * @netdev: network interface device structure
 * @flags: bit flags to be set
 */
static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
1199 1200
	DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
	DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1201 1202
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
B
Brett Creeley 已提交
1203
	struct device *dev;
1204
	int ret = 0;
1205 1206 1207 1208 1209
	u32 i;

	if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
		return -EINVAL;

B
Brett Creeley 已提交
1210
	dev = ice_pf_to_dev(pf);
1211 1212 1213
	set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);

	bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224
	for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
		const struct ice_priv_flag *priv_flag;

		priv_flag = &ice_gstrings_priv_flags[i];

		if (flags & BIT(i))
			set_bit(priv_flag->bitno, pf->flags);
		else
			clear_bit(priv_flag->bitno, pf->flags);
	}

1225 1226
	bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);

1227 1228
	if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
		if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1229 1230
			enum ice_status status;

1231
			/* Disable FW LLDP engine */
1232 1233
			status = ice_cfg_lldp_mib_change(&pf->hw, false);

1234 1235 1236 1237 1238
			/* If unregistering for LLDP events fails, this is
			 * not an error state, as there shouldn't be any
			 * events to respond to.
			 */
			if (status)
1239
				dev_info(dev, "Failed to unreg for LLDP events\n");
1240 1241 1242 1243

			/* The AQ call to stop the FW LLDP agent will generate
			 * an error if the agent is already stopped.
			 */
1244
			status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1245
			if (status)
B
Brett Creeley 已提交
1246
				dev_warn(dev, "Fail to stop LLDP agent\n");
1247 1248 1249 1250
			/* Use case for having the FW LLDP agent stopped
			 * will likely not need DCB, so failure to init is
			 * not a concern of ethtool
			 */
1251
			status = ice_init_pf_dcb(pf, true);
1252
			if (status)
B
Brett Creeley 已提交
1253
				dev_warn(dev, "Fail to init DCB\n");
1254 1255 1256 1257 1258 1259 1260
		} else {
			enum ice_status status;
			bool dcbx_agent_status;

			/* AQ command to start FW LLDP agent will return an
			 * error if the agent is already started
			 */
1261
			status = ice_aq_start_lldp(&pf->hw, true, NULL);
1262
			if (status)
B
Brett Creeley 已提交
1263
				dev_warn(dev, "Fail to start LLDP Agent\n");
1264

1265
			/* AQ command to start FW DCBX agent will fail if
1266 1267 1268 1269 1270 1271
			 * the agent is already started
			 */
			status = ice_aq_start_stop_dcbx(&pf->hw, true,
							&dcbx_agent_status,
							NULL);
			if (status)
B
Brett Creeley 已提交
1272
				dev_dbg(dev, "Failed to start FW DCBX\n");
1273

B
Brett Creeley 已提交
1274
			dev_info(dev, "FW DCBX agent is %s\n",
1275 1276 1277 1278 1279 1280 1281
				 dcbx_agent_status ? "ACTIVE" : "DISABLED");

			/* Failure to configure MIB change or init DCB is not
			 * relevant to ethtool.  Print notification that
			 * registration/init failed but do not return error
			 * state to ethtool
			 */
1282
			status = ice_init_pf_dcb(pf, true);
1283
			if (status)
B
Brett Creeley 已提交
1284
				dev_dbg(dev, "Fail to init DCB\n");
1285 1286 1287 1288 1289

			/* Remove rule to direct LLDP packets to default VSI.
			 * The FW LLDP engine will now be consuming them.
			 */
			ice_cfg_sw_lldp(vsi, false, false);
1290 1291 1292 1293

			/* Register for MIB change events */
			status = ice_cfg_lldp_mib_change(&pf->hw, true);
			if (status)
1294
				dev_dbg(dev, "Fail to enable MIB change events\n");
1295 1296

			ice_nway_reset(netdev);
1297 1298
		}
	}
M
Maciej Fijalkowski 已提交
1299 1300 1301 1302 1303
	if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
		/* down and up VSI so that changes of Rx cfg are reflected. */
		ice_down(vsi);
		ice_up(vsi);
	}
1304 1305
	clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
	return ret;
1306 1307
}

1308 1309 1310 1311
static int ice_get_sset_count(struct net_device *netdev, int sset)
{
	switch (sset) {
	case ETH_SS_STATS:
1312 1313 1314 1315 1316 1317 1318
		/* The number (and order) of strings reported *must* remain
		 * constant for a given netdevice. This function must not
		 * report a different number based on run time parameters
		 * (such as the number of queues in use, or the setting of
		 * a private ethtool flag). This is due to the nature of the
		 * ethtool stats API.
		 *
1319
		 * Userspace programs such as ethtool must make 3 separate
1320 1321
		 * ioctl requests, one for size, one for the strings, and
		 * finally one for the stats. Since these cross into
1322
		 * userspace, changes to the number or size could result in
1323 1324 1325 1326 1327 1328 1329
		 * undefined memory access or incorrect string<->value
		 * correlations for statistics.
		 *
		 * Even if it appears to be safe, changes to the size or
		 * order of strings will suffer from race conditions and are
		 * not safe.
		 */
1330
		return ICE_ALL_STATS_LEN(netdev);
1331 1332
	case ETH_SS_TEST:
		return ICE_TEST_LEN;
1333 1334
	case ETH_SS_PRIV_FLAGS:
		return ICE_PRIV_FLAG_ARRAY_SIZE;
1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
	default:
		return -EOPNOTSUPP;
	}
}

static void
ice_get_ethtool_stats(struct net_device *netdev,
		      struct ethtool_stats __always_unused *stats, u64 *data)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	struct ice_ring *ring;
1348
	unsigned int j;
1349 1350 1351
	int i = 0;
	char *p;

1352 1353 1354
	ice_update_pf_stats(pf);
	ice_update_vsi_stats(vsi);

1355 1356 1357
	for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
		p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
		data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1358
			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1359 1360 1361 1362 1363
	}

	/* populate per queue stats */
	rcu_read_lock();

1364
	ice_for_each_alloc_txq(vsi, j) {
1365
		ring = READ_ONCE(vsi->tx_rings[j]);
1366 1367 1368 1369 1370 1371 1372
		if (ring) {
			data[i++] = ring->stats.pkts;
			data[i++] = ring->stats.bytes;
		} else {
			data[i++] = 0;
			data[i++] = 0;
		}
1373 1374
	}

1375
	ice_for_each_alloc_rxq(vsi, j) {
1376
		ring = READ_ONCE(vsi->rx_rings[j]);
1377 1378 1379 1380 1381 1382 1383
		if (ring) {
			data[i++] = ring->stats.pkts;
			data[i++] = ring->stats.bytes;
		} else {
			data[i++] = 0;
			data[i++] = 0;
		}
1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395
	}

	rcu_read_unlock();

	if (vsi->type != ICE_VSI_PF)
		return;

	for (j = 0; j < ICE_PF_STATS_LEN; j++) {
		p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
		data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
1396 1397 1398 1399 1400 1401 1402 1403 1404 1405

	for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_tx[j];
		data[i++] = pf->stats.priority_xoff_tx[j];
	}

	for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_rx[j];
		data[i++] = pf->stats.priority_xoff_rx[j];
	}
1406 1407
}

1408 1409 1410 1411 1412
/**
 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 * @netdev: network interface device structure
 * @ks: ethtool link ksettings struct to fill out
 */
1413 1414 1415
static void
ice_phy_type_to_ethtool(struct net_device *netdev,
			struct ethtool_link_ksettings *ks)
1416 1417 1418
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_link_status *hw_link_info;
1419
	bool need_add_adv_mode = false;
1420
	struct ice_vsi *vsi = np->vsi;
1421
	u64 phy_types_high;
1422
	u64 phy_types_low;
1423 1424

	hw_link_info = &vsi->port_info->phy.link_info;
1425
	phy_types_low = vsi->port_info->phy.phy_type_low;
1426
	phy_types_high = vsi->port_info->phy.phy_type_high;
1427 1428 1429 1430 1431 1432 1433 1434

	ethtool_link_ksettings_zero_link_mode(ks, supported);
	ethtool_link_ksettings_zero_link_mode(ks, advertising);

	if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     100baseT_Full);
1435 1436
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB)
1437 1438 1439 1440 1441 1442 1443
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     100baseT_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     1000baseT_Full);
1444 1445
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1446 1447 1448 1449 1450 1451
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     1000baseT_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     1000baseKX_Full);
1452 1453
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1454 1455 1456 1457 1458 1459 1460
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     1000baseKX_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX ||
	    phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     1000baseX_Full);
1461 1462
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1463 1464 1465 1466 1467 1468
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     1000baseX_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     2500baseT_Full);
1469 1470
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1471 1472 1473 1474 1475 1476 1477
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     2500baseT_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X ||
	    phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     2500baseX_Full);
1478 1479
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1480 1481 1482 1483 1484 1485 1486
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     2500baseX_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     5000baseT_Full);
1487 1488
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB)
1489 1490 1491 1492 1493 1494 1495 1496 1497
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     5000baseT_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA ||
	    phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     10000baseT_Full);
1498 1499
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1500 1501 1502 1503 1504 1505
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     10000baseT_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     10000baseKR_Full);
1506 1507
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1508 1509 1510 1511 1512 1513
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     10000baseKR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     10000baseSR_Full);
1514 1515
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1516 1517 1518 1519 1520 1521
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     10000baseSR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     10000baseLR_Full);
1522 1523
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     10000baseLR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     25000baseCR_Full);
1535 1536
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1537 1538 1539 1540 1541 1542 1543
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     25000baseCR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     25000baseSR_Full);
1544 1545
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1546 1547 1548 1549 1550 1551 1552 1553
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     25000baseSR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     25000baseKR_Full);
1554 1555
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1556 1557 1558 1559 1560 1561
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     25000baseKR_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     40000baseKR4_Full);
1562 1563
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1564 1565 1566 1567 1568 1569 1570 1571
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     40000baseKR4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     40000baseCR4_Full);
1572 1573
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1574 1575 1576 1577 1578 1579
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     40000baseCR4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     40000baseSR4_Full);
1580 1581
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1582 1583 1584 1585 1586 1587
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     40000baseSR4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     40000baseLR4_Full);
1588 1589
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1590 1591 1592
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     40000baseLR4_Full);
	}
1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
	if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     50000baseCR2_Full);
1604 1605
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1606 1607 1608 1609 1610 1611 1612
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     50000baseCR2_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     50000baseKR2_Full);
1613 1614
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1615 1616 1617 1618 1619 1620 1621 1622 1623
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     50000baseKR2_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     50000baseSR2_Full);
1624 1625
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641
			ethtool_link_ksettings_add_link_mode(ks, advertising,
							     50000baseSR2_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2  ||
	    phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC ||
	    phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 ||
	    phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC ||
	    phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     100000baseCR4_Full);
1642 1643
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654
			need_add_adv_mode = true;
	}
	if (need_add_adv_mode) {
		need_add_adv_mode = false;
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     100000baseCR4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     100000baseSR4_Full);
1655 1656
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667
			need_add_adv_mode = true;
	}
	if (need_add_adv_mode) {
		need_add_adv_mode = false;
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     100000baseSR4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     100000baseLR4_ER4_Full);
1668 1669
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
			need_add_adv_mode = true;
	}
	if (need_add_adv_mode) {
		need_add_adv_mode = false;
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     100000baseLR4_ER4_Full);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
	    phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     100000baseKR4_Full);
1682 1683
		if (!hw_link_info->req_speeds ||
		    hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1684 1685 1686 1687 1688
			need_add_adv_mode = true;
	}
	if (need_add_adv_mode)
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     100000baseKR4_Full);
1689

1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713
	/* Autoneg PHY types */
	if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
	    phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX ||
	    phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX ||
	    phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
	    phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     Autoneg);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Autoneg);
	}
1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731
	if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
	    phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     Autoneg);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Autoneg);
	}
	if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
	    phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) {
		ethtool_link_ksettings_add_link_mode(ks, supported,
						     Autoneg);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Autoneg);
	}
1732
}
1733

1734 1735 1736
#define TEST_SET_BITS_TIMEOUT	50
#define TEST_SET_BITS_SLEEP_MAX	2000
#define TEST_SET_BITS_SLEEP_MIN	1000
1737

1738 1739 1740 1741 1742
/**
 * ice_get_settings_link_up - Get Link settings for when link is up
 * @ks: ethtool ksettings to fill in
 * @netdev: network interface device structure
 */
1743 1744 1745
static void
ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
			 struct net_device *netdev)
1746 1747
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
1748
	struct ice_port_info *pi = np->vsi->port_info;
1749 1750 1751 1752 1753
	struct ice_link_status *link_info;
	struct ice_vsi *vsi = np->vsi;

	link_info = &vsi->port_info->phy.link_info;

1754 1755
	/* Get supported and advertised settings from PHY ability with media */
	ice_phy_type_to_ethtool(netdev, ks);
1756 1757

	switch (link_info->link_speed) {
1758 1759 1760 1761 1762 1763
	case ICE_AQ_LINK_SPEED_100GB:
		ks->base.speed = SPEED_100000;
		break;
	case ICE_AQ_LINK_SPEED_50GB:
		ks->base.speed = SPEED_50000;
		break;
1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788
	case ICE_AQ_LINK_SPEED_40GB:
		ks->base.speed = SPEED_40000;
		break;
	case ICE_AQ_LINK_SPEED_25GB:
		ks->base.speed = SPEED_25000;
		break;
	case ICE_AQ_LINK_SPEED_20GB:
		ks->base.speed = SPEED_20000;
		break;
	case ICE_AQ_LINK_SPEED_10GB:
		ks->base.speed = SPEED_10000;
		break;
	case ICE_AQ_LINK_SPEED_5GB:
		ks->base.speed = SPEED_5000;
		break;
	case ICE_AQ_LINK_SPEED_2500MB:
		ks->base.speed = SPEED_2500;
		break;
	case ICE_AQ_LINK_SPEED_1000MB:
		ks->base.speed = SPEED_1000;
		break;
	case ICE_AQ_LINK_SPEED_100MB:
		ks->base.speed = SPEED_100;
		break;
	default:
1789
		netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1790 1791 1792 1793
			    link_info->link_speed);
		break;
	}
	ks->base.duplex = DUPLEX_FULL;
1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819

	if (link_info->an_info & ICE_AQ_AN_COMPLETED)
		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
						     Autoneg);

	/* Set flow control negotiated Rx/Tx pause */
	switch (pi->fc.current_mode) {
	case ICE_FC_FULL:
		ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
		break;
	case ICE_FC_TX_PAUSE:
		ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
						     Asym_Pause);
		break;
	case ICE_FC_RX_PAUSE:
		ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
						     Asym_Pause);
		break;
	case ICE_FC_PFC:
	default:
		ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
		ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
						     Asym_Pause);
		break;
	}
1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
}

/**
 * ice_get_settings_link_down - Get the Link settings when link is down
 * @ks: ethtool ksettings to fill in
 * @netdev: network interface device structure
 *
 * Reports link settings that can be determined when link is down
 */
static void
ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1831
			   struct net_device *netdev)
1832 1833
{
	/* link is down and the driver needs to fall back on
1834
	 * supported PHY types to figure out what info to display
1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849
	 */
	ice_phy_type_to_ethtool(netdev, ks);

	/* With no link, speed and duplex are unknown */
	ks->base.speed = SPEED_UNKNOWN;
	ks->base.duplex = DUPLEX_UNKNOWN;
}

/**
 * ice_get_link_ksettings - Get Link Speed and Duplex settings
 * @netdev: network interface device structure
 * @ks: ethtool ksettings
 *
 * Reports speed/duplex settings based on media_type
 */
1850 1851 1852
static int
ice_get_link_ksettings(struct net_device *netdev,
		       struct ethtool_link_ksettings *ks)
1853 1854
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
1855
	struct ice_aqc_get_phy_caps_data *caps;
1856 1857
	struct ice_link_status *hw_link_info;
	struct ice_vsi *vsi = np->vsi;
1858 1859
	enum ice_status status;
	int err = 0;
1860 1861 1862

	ethtool_link_ksettings_zero_link_mode(ks, supported);
	ethtool_link_ksettings_zero_link_mode(ks, advertising);
1863
	ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1864 1865 1866 1867 1868 1869 1870 1871
	hw_link_info = &vsi->port_info->phy.link_info;

	/* set speed and duplex */
	if (hw_link_info->link_info & ICE_AQ_LINK_UP)
		ice_get_settings_link_up(ks, netdev);
	else
		ice_get_settings_link_down(ks, netdev);

1872
	/* set autoneg settings */
1873 1874
	ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
		AUTONEG_ENABLE : AUTONEG_DISABLE;
1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907

	/* set media type settings */
	switch (vsi->port_info->phy.media_type) {
	case ICE_MEDIA_FIBER:
		ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
		ks->base.port = PORT_FIBRE;
		break;
	case ICE_MEDIA_BASET:
		ethtool_link_ksettings_add_link_mode(ks, supported, TP);
		ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
		ks->base.port = PORT_TP;
		break;
	case ICE_MEDIA_BACKPLANE:
		ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
		ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
		ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Backplane);
		ks->base.port = PORT_NONE;
		break;
	case ICE_MEDIA_DA:
		ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
		ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
		ks->base.port = PORT_DA;
		break;
	default:
		ks->base.port = PORT_OTHER;
		break;
	}

	/* flow control is symmetric and always supported */
	ethtool_link_ksettings_add_link_mode(ks, supported, Pause);

1908
	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921
	if (!caps)
		return -ENOMEM;

	status = ice_aq_get_phy_caps(vsi->port_info, false,
				     ICE_AQC_REPORT_SW_CFG, caps, NULL);
	if (status) {
		err = -EIO;
		goto done;
	}

	/* Set the advertised flow control based on the PHY capability */
	if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
	    (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
1922 1923 1924
		ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Asym_Pause);
1925 1926 1927 1928
	} else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Asym_Pause);
	} else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
1929 1930 1931
		ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     Asym_Pause);
1932
	} else {
1933 1934 1935 1936 1937
		ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
		ethtool_link_ksettings_del_link_mode(ks, advertising,
						     Asym_Pause);
	}

1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
	/* Set advertised FEC modes based on PHY capability */
	ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);

	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
		ethtool_link_ksettings_add_link_mode(ks, advertising,
						     FEC_BASER);
	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
		ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);

1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
	status = ice_aq_get_phy_caps(vsi->port_info, false,
				     ICE_AQC_REPORT_TOPO_CAP, caps, NULL);
	if (status) {
		err = -EIO;
		goto done;
	}

	/* Set supported FEC modes based on PHY capability */
	ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);

	if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
		ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
		ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);

1965
done:
1966
	kfree(caps);
1967
	return err;
1968 1969
}

1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
/**
 * ice_ksettings_find_adv_link_speed - Find advertising link speed
 * @ks: ethtool ksettings
 */
static u16
ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
{
	u16 adv_link_speed = 0;

	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100baseT_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseX_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseT_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseKX_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  2500baseT_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  2500baseX_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  5000baseT_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseT_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseKR_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseSR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseLR_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseCR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseSR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseKR_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseCR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseSR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseLR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseKR4_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseCR2_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseKR2_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseSR2_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseCR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseSR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseLR4_ER4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseKR4_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085

	return adv_link_speed;
}

/**
 * ice_setup_autoneg
 * @p: port info
 * @ks: ethtool_link_ksettings
 * @config: configuration that will be sent down to FW
 * @autoneg_enabled: autonegotiation is enabled or not
 * @autoneg_changed: will there a change in autonegotiation
 * @netdev: network interface device structure
 *
 * Setup PHY autonegotiation feature
 */
static int
ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
		  struct ice_aqc_set_phy_cfg_data *config,
		  u8 autoneg_enabled, u8 *autoneg_changed,
		  struct net_device *netdev)
{
	int err = 0;

	*autoneg_changed = 0;

	/* Check autoneg */
	if (autoneg_enabled == AUTONEG_ENABLE) {
		/* If autoneg was not already enabled */
		if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
			/* If autoneg is not supported, return error */
			if (!ethtool_link_ksettings_test_link_mode(ks,
								   supported,
								   Autoneg)) {
				netdev_info(netdev, "Autoneg not supported on this phy.\n");
				err = -EINVAL;
			} else {
				/* Autoneg is allowed to change */
				config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
				*autoneg_changed = 1;
			}
		}
	} else {
		/* If autoneg is currently enabled */
		if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2086
			/* If autoneg is supported 10GBASE_T is the only PHY
2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111
			 * that can disable it, so otherwise return error
			 */
			if (ethtool_link_ksettings_test_link_mode(ks,
								  supported,
								  Autoneg)) {
				netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
				err = -EINVAL;
			} else {
				/* Autoneg is allowed to change */
				config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
				*autoneg_changed = 1;
			}
		}
	}

	return err;
}

/**
 * ice_set_link_ksettings - Set Speed and Duplex
 * @netdev: network interface device structure
 * @ks: ethtool ksettings
 *
 * Set speed/duplex per media_types advertised/forced
 */
2112 2113 2114
static int
ice_set_link_ksettings(struct net_device *netdev,
		       const struct ethtool_link_ksettings *ks)
2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125
{
	u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0;
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ethtool_link_ksettings safe_ks, copy_ks;
	struct ice_aqc_get_phy_caps_data *abilities;
	u16 adv_link_speed, curr_link_speed, idx;
	struct ice_aqc_set_phy_cfg_data config;
	struct ice_pf *pf = np->vsi->back;
	struct ice_port_info *p;
	u8 autoneg_changed = 0;
	enum ice_status status;
2126
	u64 phy_type_high;
2127 2128 2129 2130 2131 2132 2133 2134 2135
	u64 phy_type_low;
	int err = 0;
	bool linkup;

	p = np->vsi->port_info;

	if (!p)
		return -EOPNOTSUPP;

2136
	/* Check if this is LAN VSI */
2137
	ice_for_each_vsi(pf, idx)
2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151
		if (pf->vsi[idx]->type == ICE_VSI_PF) {
			if (np->vsi != pf->vsi[idx])
				return -EOPNOTSUPP;
			break;
		}

	if (p->phy.media_type != ICE_MEDIA_BASET &&
	    p->phy.media_type != ICE_MEDIA_FIBER &&
	    p->phy.media_type != ICE_MEDIA_BACKPLANE &&
	    p->phy.media_type != ICE_MEDIA_DA &&
	    p->phy.link_info.link_info & ICE_AQ_LINK_UP)
		return -EOPNOTSUPP;

	/* copy the ksettings to copy_ks to avoid modifying the original */
2152
	memcpy(&copy_ks, ks, sizeof(copy_ks));
2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170

	/* save autoneg out of ksettings */
	autoneg = copy_ks.base.autoneg;

	memset(&safe_ks, 0, sizeof(safe_ks));

	/* Get link modes supported by hardware.*/
	ice_phy_type_to_ethtool(netdev, &safe_ks);

	/* and check against modes requested by user.
	 * Return an error if unsupported mode was set.
	 */
	if (!bitmap_subset(copy_ks.link_modes.advertising,
			   safe_ks.link_modes.supported,
			   __ETHTOOL_LINK_MODE_MASK_NBITS))
		return -EINVAL;

	/* get our own copy of the bits to check against */
2171
	memset(&safe_ks, 0, sizeof(safe_ks));
2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184
	safe_ks.base.cmd = copy_ks.base.cmd;
	safe_ks.base.link_mode_masks_nwords =
		copy_ks.base.link_mode_masks_nwords;
	ice_get_link_ksettings(netdev, &safe_ks);

	/* set autoneg back to what it currently is */
	copy_ks.base.autoneg = safe_ks.base.autoneg;
	/* we don't compare the speed */
	copy_ks.base.speed = safe_ks.base.speed;

	/* If copy_ks.base and safe_ks.base are not the same now, then they are
	 * trying to set something that we do not support.
	 */
2185
	if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base)))
2186 2187 2188 2189 2190 2191 2192 2193 2194
		return -EOPNOTSUPP;

	while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
		timeout--;
		if (!timeout)
			return -EBUSY;
		usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
	}

2195
	abilities = kzalloc(sizeof(*abilities), GFP_KERNEL);
2196 2197 2198
	if (!abilities)
		return -ENOMEM;

2199
	/* Get the current PHY config */
2200 2201 2202 2203 2204 2205 2206 2207
	status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities,
				     NULL);
	if (status) {
		err = -EAGAIN;
		goto done;
	}

	/* Copy abilities to config in case autoneg is not set below */
2208
	memset(&config, 0, sizeof(config));
2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238
	config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE;
	if (abilities->caps & ICE_AQC_PHY_AN_MODE)
		config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;

	/* Check autoneg */
	err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed,
				netdev);

	if (err)
		goto done;

	/* Call to get the current link speed */
	p->phy.get_link_info = true;
	status = ice_get_link_status(p, &linkup);
	if (status) {
		err = -EAGAIN;
		goto done;
	}

	curr_link_speed = p->phy.link_info.link_speed;
	adv_link_speed = ice_ksettings_find_adv_link_speed(ks);

	/* If speed didn't get set, set it to what it currently is.
	 * This is needed because if advertise is 0 (as it is when autoneg
	 * is disabled) then speed won't get set.
	 */
	if (!adv_link_speed)
		adv_link_speed = curr_link_speed;

	/* Convert the advertise link speeds to their corresponded PHY_TYPE */
2239
	ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed);
2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257

	if (!autoneg_changed && adv_link_speed == curr_link_speed) {
		netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
		goto done;
	}

	/* copy over the rest of the abilities */
	config.low_power_ctrl = abilities->low_power_ctrl;
	config.eee_cap = abilities->eee_cap;
	config.eeer_value = abilities->eeer_value;
	config.link_fec_opt = abilities->link_fec_options;

	/* save the requested speeds */
	p->phy.link_info.req_speeds = adv_link_speed;

	/* set link and auto negotiation so changes take effect */
	config.caps |= ICE_AQ_PHY_ENA_LINK;

2258 2259 2260
	if (phy_type_low || phy_type_high) {
		config.phy_type_high = cpu_to_le64(phy_type_high) &
			abilities->phy_type_high;
2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286
		config.phy_type_low = cpu_to_le64(phy_type_low) &
			abilities->phy_type_low;
	} else {
		err = -EAGAIN;
		netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n");
		goto done;
	}

	/* If link is up put link down */
	if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) {
		/* Tell the OS link is going down, the link will go
		 * back up when fw says it is ready asynchronously
		 */
		ice_print_link_msg(np->vsi, false);
		netif_carrier_off(netdev);
		netif_tx_stop_all_queues(netdev);
	}

	/* make the aq call */
	status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL);
	if (status) {
		netdev_info(netdev, "Set phy config failed,\n");
		err = -EAGAIN;
	}

done:
2287
	kfree(abilities);
2288 2289 2290 2291 2292
	clear_bit(__ICE_CFG_BUSY, pf->state);

	return err;
}

2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529
/**
 * ice_parse_hdrs - parses headers from RSS hash input
 * @nfc: ethtool rxnfc command
 *
 * This function parses the rxnfc command and returns intended
 * header types for RSS configuration
 */
static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
{
	u32 hdrs = ICE_FLOW_SEG_HDR_NONE;

	switch (nfc->flow_type) {
	case TCP_V4_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
		break;
	case UDP_V4_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
		break;
	case SCTP_V4_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
		break;
	case TCP_V6_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
		break;
	case UDP_V6_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
		break;
	case SCTP_V6_FLOW:
		hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
		break;
	default:
		break;
	}
	return hdrs;
}

#define ICE_FLOW_HASH_FLD_IPV4_SA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
#define ICE_FLOW_HASH_FLD_IPV6_SA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
#define ICE_FLOW_HASH_FLD_IPV4_DA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
#define ICE_FLOW_HASH_FLD_IPV6_DA	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_TCP_DST_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_UDP_DST_PORT	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT	\
	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT	\
	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)

/**
 * ice_parse_hash_flds - parses hash fields from RSS hash input
 * @nfc: ethtool rxnfc command
 *
 * This function parses the rxnfc command and returns intended
 * hash fields for RSS configuration
 */
static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
{
	u64 hfld = ICE_HASH_INVALID;

	if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
		switch (nfc->flow_type) {
		case TCP_V4_FLOW:
		case UDP_V4_FLOW:
		case SCTP_V4_FLOW:
			if (nfc->data & RXH_IP_SRC)
				hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
			if (nfc->data & RXH_IP_DST)
				hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
			break;
		case TCP_V6_FLOW:
		case UDP_V6_FLOW:
		case SCTP_V6_FLOW:
			if (nfc->data & RXH_IP_SRC)
				hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
			if (nfc->data & RXH_IP_DST)
				hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
			break;
		default:
			break;
		}
	}

	if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
		switch (nfc->flow_type) {
		case TCP_V4_FLOW:
		case TCP_V6_FLOW:
			if (nfc->data & RXH_L4_B_0_1)
				hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
			if (nfc->data & RXH_L4_B_2_3)
				hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
			break;
		case UDP_V4_FLOW:
		case UDP_V6_FLOW:
			if (nfc->data & RXH_L4_B_0_1)
				hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
			if (nfc->data & RXH_L4_B_2_3)
				hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
			break;
		case SCTP_V4_FLOW:
		case SCTP_V6_FLOW:
			if (nfc->data & RXH_L4_B_0_1)
				hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
			if (nfc->data & RXH_L4_B_2_3)
				hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
			break;
		default:
			break;
		}
	}

	return hfld;
}

/**
 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
 * @vsi: the VSI being configured
 * @nfc: ethtool rxnfc command
 *
 * Returns Success if the flow input set is supported.
 */
static int
ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
{
	struct ice_pf *pf = vsi->back;
	enum ice_status status;
	struct device *dev;
	u64 hashed_flds;
	u32 hdrs;

	dev = ice_pf_to_dev(pf);
	if (ice_is_safe_mode(pf)) {
		dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
			vsi->vsi_num);
		return -EINVAL;
	}

	hashed_flds = ice_parse_hash_flds(nfc);
	if (hashed_flds == ICE_HASH_INVALID) {
		dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
			vsi->vsi_num);
		return -EINVAL;
	}

	hdrs = ice_parse_hdrs(nfc);
	if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
		dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
			vsi->vsi_num);
		return -EINVAL;
	}

	status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
	if (status) {
		dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
			vsi->vsi_num, status);
		return -EINVAL;
	}

	return 0;
}

/**
 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
 * @vsi: the VSI being configured
 * @nfc: ethtool rxnfc command
 */
static void
ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
{
	struct ice_pf *pf = vsi->back;
	struct device *dev;
	u64 hash_flds;
	u32 hdrs;

	dev = ice_pf_to_dev(pf);

	nfc->data = 0;
	if (ice_is_safe_mode(pf)) {
		dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
			vsi->vsi_num);
		return;
	}

	hdrs = ice_parse_hdrs(nfc);
	if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
		dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
			vsi->vsi_num);
		return;
	}

	hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
	if (hash_flds == ICE_HASH_INVALID) {
		dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
			vsi->vsi_num);
		return;
	}

	if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
	    hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
		nfc->data |= (u64)RXH_IP_SRC;

	if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
	    hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
		nfc->data |= (u64)RXH_IP_DST;

	if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
	    hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
	    hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
		nfc->data |= (u64)RXH_L4_B_0_1;

	if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
	    hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
	    hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
		nfc->data |= (u64)RXH_L4_B_2_3;
}

/**
 * ice_set_rxnfc - command to set Rx flow rules.
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns 0 for success and negative values for errors
 */
static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
		return ice_set_rss_hash_opt(vsi, cmd);
	default:
		break;
	}
	return -EOPNOTSUPP;
}

2530
/**
2531
 * ice_get_rxnfc - command to get Rx flow classification rules
2532 2533 2534 2535 2536 2537
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 * @rule_locs: buffer to rturn Rx flow classification rules
 *
 * Returns Success if the command is supported.
 */
2538 2539 2540
static int
ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
	      u32 __always_unused *rule_locs)
2541 2542 2543 2544 2545 2546 2547 2548 2549 2550
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	int ret = -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
		cmd->data = vsi->rss_size;
		ret = 0;
		break;
2551 2552 2553 2554
	case ETHTOOL_GRXFH:
		ice_get_rss_hash_opt(vsi, cmd);
		ret = 0;
		break;
2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571
	default:
		break;
	}

	return ret;
}

static void
ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	ring->rx_max_pending = ICE_MAX_NUM_DESC;
	ring->tx_max_pending = ICE_MAX_NUM_DESC;
	ring->rx_pending = vsi->rx_rings[0]->count;
	ring->tx_pending = vsi->tx_rings[0]->count;
2572 2573

	/* Rx mini and jumbo rings are not supported */
2574 2575
	ring->rx_mini_max_pending = 0;
	ring->rx_jumbo_max_pending = 0;
2576
	ring->rx_mini_pending = 0;
2577 2578 2579 2580 2581 2582 2583 2584
	ring->rx_jumbo_pending = 0;
}

static int
ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
{
	struct ice_ring *tx_rings = NULL, *rx_rings = NULL;
	struct ice_netdev_priv *np = netdev_priv(netdev);
M
Maciej Fijalkowski 已提交
2585
	struct ice_ring *xdp_rings = NULL;
2586 2587 2588 2589 2590 2591 2592 2593 2594
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	int i, timeout = 50, err = 0;
	u32 new_rx_cnt, new_tx_cnt;

	if (ring->tx_pending > ICE_MAX_NUM_DESC ||
	    ring->tx_pending < ICE_MIN_NUM_DESC ||
	    ring->rx_pending > ICE_MAX_NUM_DESC ||
	    ring->rx_pending < ICE_MIN_NUM_DESC) {
2595
		netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2596
			   ring->tx_pending, ring->rx_pending,
2597 2598
			   ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
			   ICE_REQ_DESC_MULTIPLE);
2599 2600 2601 2602
		return -EINVAL;
	}

	new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2603
	if (new_tx_cnt != ring->tx_pending)
2604
		netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2605
			    new_tx_cnt);
2606
	new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2607
	if (new_rx_cnt != ring->rx_pending)
2608
		netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2609
			    new_rx_cnt);
2610 2611 2612 2613 2614 2615 2616 2617

	/* if nothing to do return success */
	if (new_tx_cnt == vsi->tx_rings[0]->count &&
	    new_rx_cnt == vsi->rx_rings[0]->count) {
		netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
		return 0;
	}

2618 2619 2620 2621 2622 2623 2624
	/* If there is a AF_XDP UMEM attached to any of Rx rings,
	 * disallow changing the number of descriptors -- regardless
	 * if the netdev is running or not.
	 */
	if (ice_xsk_any_rx_ring_ena(vsi))
		return -EBUSY;

2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637
	while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
		timeout--;
		if (!timeout)
			return -EBUSY;
		usleep_range(1000, 2000);
	}

	/* set for the next time the netdev is started */
	if (!netif_running(vsi->netdev)) {
		for (i = 0; i < vsi->alloc_txq; i++)
			vsi->tx_rings[i]->count = new_tx_cnt;
		for (i = 0; i < vsi->alloc_rxq; i++)
			vsi->rx_rings[i]->count = new_rx_cnt;
M
Maciej Fijalkowski 已提交
2638 2639 2640 2641 2642
		if (ice_is_xdp_ena_vsi(vsi))
			for (i = 0; i < vsi->num_xdp_txq; i++)
				vsi->xdp_rings[i]->count = new_tx_cnt;
		vsi->num_tx_desc = new_tx_cnt;
		vsi->num_rx_desc = new_rx_cnt;
2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653
		netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
		goto done;
	}

	if (new_tx_cnt == vsi->tx_rings[0]->count)
		goto process_rx;

	/* alloc updated Tx resources */
	netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
		    vsi->tx_rings[0]->count, new_tx_cnt);

2654
	tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2655 2656 2657 2658 2659
	if (!tx_rings) {
		err = -ENOMEM;
		goto done;
	}

2660
	ice_for_each_txq(vsi, i) {
2661 2662 2663 2664 2665 2666 2667
		/* clone ring and setup updated count */
		tx_rings[i] = *vsi->tx_rings[i];
		tx_rings[i].count = new_tx_cnt;
		tx_rings[i].desc = NULL;
		tx_rings[i].tx_buf = NULL;
		err = ice_setup_tx_ring(&tx_rings[i]);
		if (err) {
M
Maciej Fijalkowski 已提交
2668
			while (i--)
2669
				ice_clean_tx_ring(&tx_rings[i]);
2670
			kfree(tx_rings);
2671 2672 2673 2674
			goto done;
		}
	}

M
Maciej Fijalkowski 已提交
2675 2676 2677 2678 2679 2680 2681
	if (!ice_is_xdp_ena_vsi(vsi))
		goto process_rx;

	/* alloc updated XDP resources */
	netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
		    vsi->xdp_rings[0]->count, new_tx_cnt);

2682
	xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
M
Maciej Fijalkowski 已提交
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697
	if (!xdp_rings) {
		err = -ENOMEM;
		goto free_tx;
	}

	for (i = 0; i < vsi->num_xdp_txq; i++) {
		/* clone ring and setup updated count */
		xdp_rings[i] = *vsi->xdp_rings[i];
		xdp_rings[i].count = new_tx_cnt;
		xdp_rings[i].desc = NULL;
		xdp_rings[i].tx_buf = NULL;
		err = ice_setup_tx_ring(&xdp_rings[i]);
		if (err) {
			while (i--)
				ice_clean_tx_ring(&xdp_rings[i]);
2698
			kfree(xdp_rings);
M
Maciej Fijalkowski 已提交
2699 2700 2701 2702 2703
			goto free_tx;
		}
		ice_set_ring_xdp(&xdp_rings[i]);
	}

2704 2705 2706 2707 2708 2709 2710 2711
process_rx:
	if (new_rx_cnt == vsi->rx_rings[0]->count)
		goto process_link;

	/* alloc updated Rx resources */
	netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
		    vsi->rx_rings[0]->count, new_rx_cnt);

2712
	rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2713 2714 2715 2716 2717
	if (!rx_rings) {
		err = -ENOMEM;
		goto done;
	}

2718
	ice_for_each_rxq(vsi, i) {
2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741
		/* clone ring and setup updated count */
		rx_rings[i] = *vsi->rx_rings[i];
		rx_rings[i].count = new_rx_cnt;
		rx_rings[i].desc = NULL;
		rx_rings[i].rx_buf = NULL;
		/* this is to allow wr32 to have something to write to
		 * during early allocation of Rx buffers
		 */
		rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;

		err = ice_setup_rx_ring(&rx_rings[i]);
		if (err)
			goto rx_unwind;

		/* allocate Rx buffers */
		err = ice_alloc_rx_bufs(&rx_rings[i],
					ICE_DESC_UNUSED(&rx_rings[i]));
rx_unwind:
		if (err) {
			while (i) {
				i--;
				ice_free_rx_ring(&rx_rings[i]);
			}
2742
			kfree(rx_rings);
2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755
			err = -ENOMEM;
			goto free_tx;
		}
	}

process_link:
	/* Bring interface down, copy in the new ring info, then restore the
	 * interface. if VSI is up, bring it down and then back up
	 */
	if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
		ice_down(vsi);

		if (tx_rings) {
2756
			ice_for_each_txq(vsi, i) {
2757 2758 2759
				ice_free_tx_ring(vsi->tx_rings[i]);
				*vsi->tx_rings[i] = tx_rings[i];
			}
2760
			kfree(tx_rings);
2761 2762 2763
		}

		if (rx_rings) {
2764
			ice_for_each_rxq(vsi, i) {
2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777
				ice_free_rx_ring(vsi->rx_rings[i]);
				/* copy the real tail offset */
				rx_rings[i].tail = vsi->rx_rings[i]->tail;
				/* this is to fake out the allocation routine
				 * into thinking it has to realloc everything
				 * but the recycling logic will let us re-use
				 * the buffers allocated above
				 */
				rx_rings[i].next_to_use = 0;
				rx_rings[i].next_to_clean = 0;
				rx_rings[i].next_to_alloc = 0;
				*vsi->rx_rings[i] = rx_rings[i];
			}
2778
			kfree(rx_rings);
2779 2780
		}

M
Maciej Fijalkowski 已提交
2781 2782 2783 2784 2785
		if (xdp_rings) {
			for (i = 0; i < vsi->num_xdp_txq; i++) {
				ice_free_tx_ring(vsi->xdp_rings[i]);
				*vsi->xdp_rings[i] = xdp_rings[i];
			}
2786
			kfree(xdp_rings);
M
Maciej Fijalkowski 已提交
2787 2788 2789 2790
		}

		vsi->num_tx_desc = new_tx_cnt;
		vsi->num_rx_desc = new_rx_cnt;
2791 2792 2793 2794 2795 2796 2797
		ice_up(vsi);
	}
	goto done;

free_tx:
	/* error cleanup if the Rx allocations failed after getting Tx */
	if (tx_rings) {
2798
		ice_for_each_txq(vsi, i)
2799
			ice_free_tx_ring(&tx_rings[i]);
2800
		kfree(tx_rings);
2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811
	}

done:
	clear_bit(__ICE_CFG_BUSY, pf->state);
	return err;
}

/**
 * ice_get_pauseparam - Get Flow Control status
 * @netdev: network interface device structure
 * @pause: ethernet pause (flow control) parameters
2812 2813 2814 2815 2816
 *
 * Get requested flow control status from PHY capability.
 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
 * the negotiated Rx/Tx pause via lp_advertising.
2817 2818 2819 2820 2821
 */
static void
ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
2822 2823
	struct ice_port_info *pi = np->vsi->port_info;
	struct ice_aqc_get_phy_caps_data *pcaps;
2824
	struct ice_dcbx_cfg *dcbx_cfg;
2825
	enum ice_status status;
2826

2827 2828 2829
	/* Initialize pause params */
	pause->rx_pause = 0;
	pause->tx_pause = 0;
2830

2831 2832
	dcbx_cfg = &pi->local_dcbx_cfg;

2833
	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2834 2835 2836
	if (!pcaps)
		return;

2837
	/* Get current PHY config */
2838 2839 2840 2841 2842 2843 2844 2845
	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
				     NULL);
	if (status)
		goto out;

	pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
			AUTONEG_ENABLE : AUTONEG_DISABLE);

2846 2847 2848 2849
	if (dcbx_cfg->pfc.pfcena)
		/* PFC enabled so report LFC as off */
		goto out;

2850
	if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2851
		pause->tx_pause = 1;
2852
	if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2853
		pause->rx_pause = 1;
2854 2855

out:
2856
	kfree(pcaps);
2857 2858 2859 2860 2861
}

/**
 * ice_set_pauseparam - Set Flow Control parameter
 * @netdev: network interface device structure
2862
 * @pause: return Tx/Rx flow control status
2863 2864 2865 2866 2867
 */
static int
ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
2868
	struct ice_aqc_get_phy_caps_data *pcaps;
2869 2870
	struct ice_link_status *hw_link_info;
	struct ice_pf *pf = np->vsi->back;
2871
	struct ice_dcbx_cfg *dcbx_cfg;
2872 2873 2874 2875 2876 2877 2878
	struct ice_vsi *vsi = np->vsi;
	struct ice_hw *hw = &pf->hw;
	struct ice_port_info *pi;
	enum ice_status status;
	u8 aq_failures;
	bool link_up;
	int err = 0;
2879
	u32 is_an;
2880 2881 2882

	pi = vsi->port_info;
	hw_link_info = &pi->phy.link_info;
2883
	dcbx_cfg = &pi->local_dcbx_cfg;
2884 2885 2886 2887 2888 2889 2890 2891 2892 2893
	link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;

	/* Changing the port's flow control is not supported if this isn't the
	 * PF VSI
	 */
	if (vsi->type != ICE_VSI_PF) {
		netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
		return -EOPNOTSUPP;
	}

2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917
	/* Get pause param reports configured and negotiated flow control pause
	 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
	 * defined get pause param pause->autoneg reports SW configured setting,
	 * so compare pause->autoneg with SW configured to prevent the user from
	 * using set pause param to chance autoneg.
	 */
	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
	if (!pcaps)
		return -ENOMEM;

	/* Get current PHY config */
	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
				     NULL);
	if (status) {
		kfree(pcaps);
		return -EIO;
	}

	is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
			AUTONEG_ENABLE : AUTONEG_DISABLE);

	kfree(pcaps);

	if (pause->autoneg != is_an) {
2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928
		netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
		return -EOPNOTSUPP;
	}

	/* If we have link and don't have autoneg */
	if (!test_bit(__ICE_DOWN, pf->state) &&
	    !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
		/* Send message that it might not necessarily work*/
		netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
	}

2929 2930 2931 2932
	if (dcbx_cfg->pfc.pfcena) {
		netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
		return -EOPNOTSUPP;
	}
2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961
	if (pause->rx_pause && pause->tx_pause)
		pi->fc.req_mode = ICE_FC_FULL;
	else if (pause->rx_pause && !pause->tx_pause)
		pi->fc.req_mode = ICE_FC_RX_PAUSE;
	else if (!pause->rx_pause && pause->tx_pause)
		pi->fc.req_mode = ICE_FC_TX_PAUSE;
	else if (!pause->rx_pause && !pause->tx_pause)
		pi->fc.req_mode = ICE_FC_NONE;
	else
		return -EINVAL;

	/* Set the FC mode and only restart AN if link is up */
	status = ice_set_fc(pi, &aq_failures, link_up);

	if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
		netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n",
			    status, hw->adminq.sq_last_status);
		err = -EAGAIN;
	} else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
		netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n",
			    status, hw->adminq.sq_last_status);
		err = -EAGAIN;
	} else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
		netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n",
			    status, hw->adminq.sq_last_status);
		err = -EAGAIN;
	}

	if (!test_bit(__ICE_DOWN, pf->state)) {
2962 2963 2964
		/* Give it a little more time to try to come back. If still
		 * down, restart autoneg link or reinitialize the interface.
		 */
2965 2966 2967
		msleep(75);
		if (!test_bit(__ICE_DOWN, pf->state))
			return ice_nway_reset(netdev);
2968 2969 2970

		ice_down(vsi);
		ice_up(vsi);
2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987
	}

	return err;
}

/**
 * ice_get_rxfh_key_size - get the RSS hash key size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 */
static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
{
	return ICE_VSIQF_HKEY_ARRAY_SIZE;
}

/**
2988
 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000
 * @netdev: network interface device structure
 *
 * Returns the table size.
 */
static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);

	return np->vsi->rss_table_size;
}

/**
3001
 * ice_get_rxfh - get the Rx flow hash indirection table
3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029
 * @netdev: network interface device structure
 * @indir: indirection table
 * @key: hash key
 * @hfunc: hash function
 *
 * Reads the indirection table directly from the hardware.
 */
static int
ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	int ret = 0, i;
	u8 *lut;

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

	if (!indir)
		return 0;

	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
		/* RSS not supported return error here */
		netdev_warn(netdev, "RSS is not configured on this VSI!\n");
		return -EIO;
	}

3030
	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042
	if (!lut)
		return -ENOMEM;

	if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) {
		ret = -EIO;
		goto out;
	}

	for (i = 0; i < vsi->rss_table_size; i++)
		indir[i] = (u32)(lut[i]);

out:
3043
	kfree(lut);
3044 3045 3046 3047
	return ret;
}

/**
3048
 * ice_set_rxfh - set the Rx flow hash indirection table
3049 3050 3051 3052 3053
 * @netdev: network interface device structure
 * @indir: indirection table
 * @key: hash key
 * @hfunc: hash function
 *
3054
 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3055 3056
 * returns 0 after programming the table.
 */
3057 3058 3059
static int
ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
	     const u8 hfunc)
3060 3061 3062 3063
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
B
Brett Creeley 已提交
3064
	struct device *dev;
3065 3066
	u8 *seed = NULL;

B
Brett Creeley 已提交
3067
	dev = ice_pf_to_dev(pf);
3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079
	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
		return -EOPNOTSUPP;

	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
		/* RSS not supported return error here */
		netdev_warn(netdev, "RSS is not configured on this VSI!\n");
		return -EIO;
	}

	if (key) {
		if (!vsi->rss_hkey_user) {
			vsi->rss_hkey_user =
B
Brett Creeley 已提交
3080
				devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3081 3082 3083 3084 3085 3086 3087 3088 3089
					     GFP_KERNEL);
			if (!vsi->rss_hkey_user)
				return -ENOMEM;
		}
		memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
		seed = vsi->rss_hkey_user;
	}

	if (!vsi->rss_lut_user) {
B
Brett Creeley 已提交
3090
		vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112
						 GFP_KERNEL);
		if (!vsi->rss_lut_user)
			return -ENOMEM;
	}

	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
	if (indir) {
		int i;

		for (i = 0; i < vsi->rss_table_size; i++)
			vsi->rss_lut_user[i] = (u8)(indir[i]);
	} else {
		ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
				 vsi->rss_size);
	}

	if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size))
		return -EIO;

	return 0;
}

3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294
/**
 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
 * @pf: PF structure
 */
static int ice_get_max_txq(struct ice_pf *pf)
{
	return min_t(int, num_online_cpus(),
		     pf->hw.func_caps.common_cap.num_txq);
}

/**
 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
 * @pf: PF structure
 */
static int ice_get_max_rxq(struct ice_pf *pf)
{
	return min_t(int, num_online_cpus(),
		     pf->hw.func_caps.common_cap.num_rxq);
}

/**
 * ice_get_combined_cnt - return the current number of combined channels
 * @vsi: PF VSI pointer
 *
 * Go through all queue vectors and count ones that have both Rx and Tx ring
 * attached
 */
static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
{
	u32 combined = 0;
	int q_idx;

	ice_for_each_q_vector(vsi, q_idx) {
		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];

		if (q_vector->rx.ring && q_vector->tx.ring)
			combined++;
	}

	return combined;
}

/**
 * ice_get_channels - get the current and max supported channels
 * @dev: network interface device structure
 * @ch: ethtool channel data structure
 */
static void
ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
{
	struct ice_netdev_priv *np = netdev_priv(dev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;

	/* check to see if VSI is active */
	if (test_bit(__ICE_DOWN, vsi->state))
		return;

	/* report maximum channels */
	ch->max_rx = ice_get_max_rxq(pf);
	ch->max_tx = ice_get_max_txq(pf);
	ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);

	/* report current channels */
	ch->combined_count = ice_get_combined_cnt(vsi);
	ch->rx_count = vsi->num_rxq - ch->combined_count;
	ch->tx_count = vsi->num_txq - ch->combined_count;
}

/**
 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
 * @vsi: VSI to reconfigure RSS LUT on
 * @req_rss_size: requested range of queue numbers for hashing
 *
 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
 */
static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
{
	struct ice_pf *pf = vsi->back;
	enum ice_status status;
	struct device *dev;
	struct ice_hw *hw;
	int err = 0;
	u8 *lut;

	dev = ice_pf_to_dev(pf);
	hw = &pf->hw;

	if (!req_rss_size)
		return -EINVAL;

	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
	if (!lut)
		return -ENOMEM;

	/* set RSS LUT parameters */
	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
		vsi->rss_size = 1;
	} else {
		struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;

		vsi->rss_size = min_t(int, req_rss_size,
				      BIT(caps->rss_table_entry_width));
	}

	/* create/set RSS LUT */
	ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
	status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut,
				    vsi->rss_table_size);
	if (status) {
		dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n",
			status, hw->adminq.rq_last_status);
		err = -EIO;
	}

	kfree(lut);
	return err;
}

/**
 * ice_set_channels - set the number channels
 * @dev: network interface device structure
 * @ch: ethtool channel data structure
 */
static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
{
	struct ice_netdev_priv *np = netdev_priv(dev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	int new_rx = 0, new_tx = 0;
	u32 curr_combined;

	/* do not support changing channels in Safe Mode */
	if (ice_is_safe_mode(pf)) {
		netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
		return -EOPNOTSUPP;
	}
	/* do not support changing other_count */
	if (ch->other_count)
		return -EINVAL;

	curr_combined = ice_get_combined_cnt(vsi);

	/* these checks are for cases where user didn't specify a particular
	 * value on cmd line but we get non-zero value anyway via
	 * get_channels(); look at ethtool.c in ethtool repository (the user
	 * space part), particularly, do_schannels() routine
	 */
	if (ch->rx_count == vsi->num_rxq - curr_combined)
		ch->rx_count = 0;
	if (ch->tx_count == vsi->num_txq - curr_combined)
		ch->tx_count = 0;
	if (ch->combined_count == curr_combined)
		ch->combined_count = 0;

	if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
		netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
		return -EINVAL;
	}

	new_rx = ch->combined_count + ch->rx_count;
	new_tx = ch->combined_count + ch->tx_count;

	if (new_rx > ice_get_max_rxq(pf)) {
		netdev_err(dev, "Maximum allowed Rx channels is %d\n",
			   ice_get_max_rxq(pf));
		return -EINVAL;
	}
	if (new_tx > ice_get_max_txq(pf)) {
		netdev_err(dev, "Maximum allowed Tx channels is %d\n",
			   ice_get_max_txq(pf));
		return -EINVAL;
	}

	ice_vsi_recfg_qs(vsi, new_rx, new_tx);

	if (new_rx && !netif_is_rxfh_configured(dev))
		return ice_vsi_set_dflt_rss_lut(vsi, new_rx);

	return 0;
}

3295 3296 3297 3298 3299 3300 3301 3302
enum ice_container_type {
	ICE_RX_CONTAINER,
	ICE_TX_CONTAINER,
};

/**
 * ice_get_rc_coalesce - get ITR values for specific ring container
 * @ec: ethtool structure to fill with driver's coalesce settings
3303
 * @c_type: container type, Rx or Tx
3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315
 * @rc: ring container that the ITR values will come from
 *
 * Query the device for ice_ring_container specific ITR values. This is
 * done per ice_ring_container because each q_vector can have 1 or more rings
 * and all of said ring(s) will have the same ITR values.
 *
 * Returns 0 on success, negative otherwise.
 */
static int
ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type,
		    struct ice_ring_container *rc)
{
3316 3317 3318 3319 3320 3321
	struct ice_pf *pf;

	if (!rc->ring)
		return -EINVAL;

	pf = rc->ring->vsi->back;
3322 3323 3324 3325 3326

	switch (c_type) {
	case ICE_RX_CONTAINER:
		ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
		ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3327
		ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl;
3328 3329 3330 3331 3332 3333
		break;
	case ICE_TX_CONTAINER:
		ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
		ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
		break;
	default:
B
Brett Creeley 已提交
3334
		dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type);
3335 3336 3337 3338 3339 3340
		return -EINVAL;
	}

	return 0;
}

3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375
/**
 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
 * @ec: coalesce settings to program the device with
 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
 *
 * Return 0 on success, and negative under the following conditions:
 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
 */
static int
ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
	if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
		if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
					&vsi->rx_rings[q_num]->q_vector->rx))
			return -EINVAL;
		if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
					&vsi->tx_rings[q_num]->q_vector->tx))
			return -EINVAL;
	} else if (q_num < vsi->num_rxq) {
		if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
					&vsi->rx_rings[q_num]->q_vector->rx))
			return -EINVAL;
	} else if (q_num < vsi->num_txq) {
		if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
					&vsi->tx_rings[q_num]->q_vector->tx))
			return -EINVAL;
	} else {
		return -EINVAL;
	}

	return 0;
}

3376 3377 3378 3379 3380
/**
 * __ice_get_coalesce - get ITR/INTRL values for the device
 * @netdev: pointer to the netdev associated with this query
 * @ec: ethtool structure to fill with driver's coalesce settings
 * @q_num: queue number to get the coalesce settings for
3381 3382 3383
 *
 * If the caller passes in a negative q_num then we return coalesce settings
 * based on queue number 0, else use the actual q_num passed in.
3384 3385 3386 3387 3388 3389 3390 3391
 */
static int
__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
		   int q_num)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

3392 3393
	if (q_num < 0)
		q_num = 0;
3394

3395
	if (ice_get_q_coalesce(vsi, ec, q_num))
3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406
		return -EINVAL;

	return 0;
}

static int
ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
{
	return __ice_get_coalesce(netdev, ec, -1);
}

3407 3408 3409
static int
ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
		       struct ethtool_coalesce *ec)
3410 3411 3412 3413 3414 3415
{
	return __ice_get_coalesce(netdev, ec, q_num);
}

/**
 * ice_set_rc_coalesce - set ITR values for specific ring container
3416
 * @c_type: container type, Rx or Tx
3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430
 * @ec: ethtool structure from user to update ITR settings
 * @rc: ring container that the ITR values will come from
 * @vsi: VSI associated to the ring container
 *
 * Set specific ITR values. This is done per ice_ring_container because each
 * q_vector can have 1 or more rings and all of said ring(s) will have the same
 * ITR values.
 *
 * Returns 0 on success, negative otherwise.
 */
static int
ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec,
		    struct ice_ring_container *rc, struct ice_vsi *vsi)
{
3431 3432
	const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx";
	u32 use_adaptive_coalesce, coalesce_usecs;
3433 3434 3435 3436 3437 3438 3439 3440
	struct ice_pf *pf = vsi->back;
	u16 itr_setting;

	if (!rc->ring)
		return -EINVAL;

	switch (c_type) {
	case ICE_RX_CONTAINER:
3441 3442 3443
		if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
		    (ec->rx_coalesce_usecs_high &&
		     ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3444
			netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3445 3446
				    c_type_str, pf->hw.intrl_gran,
				    ICE_MAX_INTRL);
3447 3448 3449 3450
			return -EINVAL;
		}
		if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) {
			rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high;
B
Brett Creeley 已提交
3451
			wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx),
3452 3453 3454 3455
			     ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high,
						   pf->hw.intrl_gran));
		}

3456 3457
		use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
		coalesce_usecs = ec->rx_coalesce_usecs;
3458 3459 3460

		break;
	case ICE_TX_CONTAINER:
3461 3462
		use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
		coalesce_usecs = ec->tx_coalesce_usecs;
3463 3464 3465

		break;
	default:
B
Brett Creeley 已提交
3466 3467
		dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
			c_type);
3468 3469 3470
		return -EINVAL;
	}

3471 3472
	itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC;
	if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3473
		netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3474 3475 3476 3477 3478
			    c_type_str, c_type_str);
		return -EINVAL;
	}

	if (coalesce_usecs > ICE_ITR_MAX) {
3479
		netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3480 3481 3482 3483 3484 3485 3486
			    c_type_str, ICE_ITR_MAX);
		return -EINVAL;
	}

	if (use_adaptive_coalesce) {
		rc->itr_setting |= ICE_ITR_DYNAMIC;
	} else {
3487
		/* save the user set usecs */
3488
		rc->itr_setting = coalesce_usecs;
3489 3490
		/* device ITR granularity is in 2 usec increments */
		rc->target_itr = ITR_REG_ALIGN(rc->itr_setting);
3491 3492
	}

3493 3494 3495
	return 0;
}

3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535
/**
 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
 * @vsi: VSI associated to the queue that need updating
 * @ec: coalesce settings to program the device with
 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
 *
 * Return 0 on success, and negative under the following conditions:
 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
 */
static int
ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
{
	if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
		if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
					&vsi->rx_rings[q_num]->q_vector->rx,
					vsi))
			return -EINVAL;

		if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
					&vsi->tx_rings[q_num]->q_vector->tx,
					vsi))
			return -EINVAL;
	} else if (q_num < vsi->num_rxq) {
		if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
					&vsi->rx_rings[q_num]->q_vector->rx,
					vsi))
			return -EINVAL;
	} else if (q_num < vsi->num_txq) {
		if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
					&vsi->tx_rings[q_num]->q_vector->tx,
					vsi))
			return -EINVAL;
	} else {
		return -EINVAL;
	}

	return 0;
}

3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559
/**
 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
 * @netdev: netdev used for print
 * @itr_setting: previous user setting
 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
 * @coalesce_usecs: requested value of [tx|rx]-usecs
 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
 */
static void
ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
		       u32 use_adaptive_coalesce, u32 coalesce_usecs,
		       const char *c_type_str)
{
	if (use_adaptive_coalesce)
		return;

	itr_setting = ITR_TO_REG(itr_setting);

	if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
		netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
			    c_type_str, coalesce_usecs, c_type_str,
			    ITR_REG_ALIGN(coalesce_usecs));
}

3560 3561 3562 3563 3564 3565 3566 3567 3568
/**
 * __ice_set_coalesce - set ITR/INTRL values for the device
 * @netdev: pointer to the netdev associated with this query
 * @ec: ethtool structure to fill with driver's coalesce settings
 * @q_num: queue number to get the coalesce settings for
 *
 * If the caller passes in a negative q_num then we set the coalesce settings
 * for all Tx/Rx queues, else use the actual q_num passed in.
 */
3569 3570 3571 3572 3573 3574 3575 3576
static int
__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
		   int q_num)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	if (q_num < 0) {
3577
		struct ice_q_vector *q_vector = vsi->q_vectors[0];
3578 3579
		int v_idx;

3580 3581 3582 3583 3584 3585 3586 3587 3588 3589
		if (q_vector) {
			ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
					       ec->use_adaptive_rx_coalesce,
					       ec->rx_coalesce_usecs, "rx");

			ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
					       ec->use_adaptive_tx_coalesce,
					       ec->tx_coalesce_usecs, "tx");
		}

3590 3591 3592 3593 3594 3595 3596
		ice_for_each_q_vector(vsi, v_idx) {
			/* In some cases if DCB is configured the num_[rx|tx]q
			 * can be less than vsi->num_q_vectors. This check
			 * accounts for that so we don't report a false failure
			 */
			if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
				goto set_complete;
3597

3598
			if (ice_set_q_coalesce(vsi, ec, v_idx))
3599 3600
				return -EINVAL;
		}
3601
		goto set_complete;
3602 3603
	}

3604
	if (ice_set_q_coalesce(vsi, ec, q_num))
3605 3606
		return -EINVAL;

3607
set_complete:
3608 3609 3610 3611 3612 3613 3614 3615 3616 3617

	return 0;
}

static int
ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
{
	return __ice_set_coalesce(netdev, ec, -1);
}

3618 3619 3620
static int
ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
		       struct ethtool_coalesce *ec)
3621 3622 3623 3624
{
	return __ice_set_coalesce(netdev, ec, q_num);
}

3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703
#define ICE_I2C_EEPROM_DEV_ADDR		0xA0
#define ICE_I2C_EEPROM_DEV_ADDR2	0xA2
#define ICE_MODULE_TYPE_SFP		0x03
#define ICE_MODULE_TYPE_QSFP_PLUS	0x0D
#define ICE_MODULE_TYPE_QSFP28		0x11
#define ICE_MODULE_SFF_ADDR_MODE	0x04
#define ICE_MODULE_SFF_DIAG_CAPAB	0x40
#define ICE_MODULE_REVISION_ADDR	0x01
#define ICE_MODULE_SFF_8472_COMP	0x5E
#define ICE_MODULE_SFF_8472_SWAP	0x5C
#define ICE_MODULE_QSFP_MAX_LEN		640

/**
 * ice_get_module_info - get SFF module type and revision information
 * @netdev: network interface device structure
 * @modinfo: module EEPROM size and layout information structure
 */
static int
ice_get_module_info(struct net_device *netdev,
		    struct ethtool_modinfo *modinfo)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	u8 sff8472_comp = 0;
	u8 sff8472_swap = 0;
	u8 sff8636_rev = 0;
	u8 value = 0;

	status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
				   0, &value, 1, 0, NULL);
	if (status)
		return -EIO;

	switch (value) {
	case ICE_MODULE_TYPE_SFP:
		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
					   ICE_MODULE_SFF_8472_COMP, 0x00, 0,
					   &sff8472_comp, 1, 0, NULL);
		if (status)
			return -EIO;
		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
					   ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
					   &sff8472_swap, 1, 0, NULL);
		if (status)
			return -EIO;

		if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
			modinfo->type = ETH_MODULE_SFF_8079;
			modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
		} else if (sff8472_comp &&
			   (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
			modinfo->type = ETH_MODULE_SFF_8472;
			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
		} else {
			modinfo->type = ETH_MODULE_SFF_8079;
			modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
		}
		break;
	case ICE_MODULE_TYPE_QSFP_PLUS:
	case ICE_MODULE_TYPE_QSFP28:
		status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
					   ICE_MODULE_REVISION_ADDR, 0x00, 0,
					   &sff8636_rev, 1, 0, NULL);
		if (status)
			return -EIO;
		/* Check revision compliance */
		if (sff8636_rev > 0x02) {
			/* Module is SFF-8636 compliant */
			modinfo->type = ETH_MODULE_SFF_8636;
			modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
		} else {
			modinfo->type = ETH_MODULE_SFF_8436;
			modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
		}
		break;
	default:
3704
		netdev_warn(netdev, "SFF Module Type not recognized.\n");
3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768
		return -EINVAL;
	}
	return 0;
}

/**
 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
 * @netdev: network interface device structure
 * @ee: EEPROM dump request structure
 * @data: buffer to be filled with EEPROM contents
 */
static int
ice_get_module_eeprom(struct net_device *netdev,
		      struct ethtool_eeprom *ee, u8 *data)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	bool is_sfp = false;
	u16 offset = 0;
	u8 value = 0;
	u8 page = 0;
	int i;

	status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0,
				   &value, 1, 0, NULL);
	if (status)
		return -EIO;

	if (!ee || !ee->len || !data)
		return -EINVAL;

	if (value == ICE_MODULE_TYPE_SFP)
		is_sfp = true;

	for (i = 0; i < ee->len; i++) {
		offset = i + ee->offset;

		/* Check if we need to access the other memory page */
		if (is_sfp) {
			if (offset >= ETH_MODULE_SFF_8079_LEN) {
				offset -= ETH_MODULE_SFF_8079_LEN;
				addr = ICE_I2C_EEPROM_DEV_ADDR2;
			}
		} else {
			while (offset >= ETH_MODULE_SFF_8436_LEN) {
				/* Compute memory page number and offset. */
				offset -= ETH_MODULE_SFF_8436_LEN / 2;
				page++;
			}
		}

		status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp,
					   &value, 1, 0, NULL);
		if (status)
			value = 0;
		data[i] = value;
	}
	return 0;
}

3769
static const struct ethtool_ops ice_ethtool_ops = {
3770 3771 3772
	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
				     ETHTOOL_COALESCE_USE_ADAPTIVE |
				     ETHTOOL_COALESCE_RX_USECS_HIGH,
3773
	.get_link_ksettings	= ice_get_link_ksettings,
3774
	.set_link_ksettings	= ice_set_link_ksettings,
T
Tony Nguyen 已提交
3775 3776 3777 3778 3779
	.get_drvinfo		= ice_get_drvinfo,
	.get_regs_len		= ice_get_regs_len,
	.get_regs		= ice_get_regs,
	.get_msglevel		= ice_get_msglevel,
	.set_msglevel		= ice_set_msglevel,
3780
	.self_test		= ice_self_test,
3781
	.get_link		= ethtool_op_get_link,
3782 3783
	.get_eeprom_len		= ice_get_eeprom_len,
	.get_eeprom		= ice_get_eeprom,
3784 3785
	.get_coalesce		= ice_get_coalesce,
	.set_coalesce		= ice_set_coalesce,
3786
	.get_strings		= ice_get_strings,
3787
	.set_phys_id		= ice_set_phys_id,
3788
	.get_ethtool_stats      = ice_get_ethtool_stats,
3789 3790
	.get_priv_flags		= ice_get_priv_flags,
	.set_priv_flags		= ice_set_priv_flags,
3791 3792
	.get_sset_count		= ice_get_sset_count,
	.get_rxnfc		= ice_get_rxnfc,
3793
	.set_rxnfc		= ice_set_rxnfc,
3794 3795 3796 3797 3798 3799 3800 3801 3802
	.get_ringparam		= ice_get_ringparam,
	.set_ringparam		= ice_set_ringparam,
	.nway_reset		= ice_nway_reset,
	.get_pauseparam		= ice_get_pauseparam,
	.set_pauseparam		= ice_set_pauseparam,
	.get_rxfh_key_size	= ice_get_rxfh_key_size,
	.get_rxfh_indir_size	= ice_get_rxfh_indir_size,
	.get_rxfh		= ice_get_rxfh,
	.set_rxfh		= ice_set_rxfh,
3803 3804
	.get_channels		= ice_get_channels,
	.set_channels		= ice_set_channels,
3805
	.get_ts_info		= ethtool_op_get_ts_info,
T
Tony Nguyen 已提交
3806 3807
	.get_per_queue_coalesce	= ice_get_per_q_coalesce,
	.set_per_queue_coalesce	= ice_set_per_q_coalesce,
3808 3809
	.get_fecparam		= ice_get_fecparam,
	.set_fecparam		= ice_set_fecparam,
3810 3811
	.get_module_info	= ice_get_module_info,
	.get_module_eeprom	= ice_get_module_eeprom,
3812 3813
};

T
Tony Nguyen 已提交
3814 3815 3816 3817 3818 3819 3820 3821
static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
	.get_link_ksettings	= ice_get_link_ksettings,
	.set_link_ksettings	= ice_set_link_ksettings,
	.get_drvinfo		= ice_get_drvinfo,
	.get_regs_len		= ice_get_regs_len,
	.get_regs		= ice_get_regs,
	.get_msglevel		= ice_get_msglevel,
	.set_msglevel		= ice_set_msglevel,
3822
	.get_link		= ethtool_op_get_link,
T
Tony Nguyen 已提交
3823 3824 3825 3826 3827 3828 3829 3830
	.get_eeprom_len		= ice_get_eeprom_len,
	.get_eeprom		= ice_get_eeprom,
	.get_strings		= ice_get_strings,
	.get_ethtool_stats	= ice_get_ethtool_stats,
	.get_sset_count		= ice_get_sset_count,
	.get_ringparam		= ice_get_ringparam,
	.set_ringparam		= ice_set_ringparam,
	.nway_reset		= ice_nway_reset,
3831
	.get_channels		= ice_get_channels,
T
Tony Nguyen 已提交
3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842
};

/**
 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
 * @netdev: network interface device structure
 */
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
{
	netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
}

3843 3844 3845 3846 3847 3848 3849 3850 3851 3852
/**
 * ice_set_ethtool_ops - setup netdev ethtool ops
 * @netdev: network interface device structure
 *
 * setup netdev ethtool ops with ice specific ops
 */
void ice_set_ethtool_ops(struct net_device *netdev)
{
	netdev->ethtool_ops = &ice_ethtool_ops;
}