en_ethtool.c 51.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
/*
 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
37
#include <linux/mlx4/driver.h>
38
#include <linux/mlx4/device.h>
39 40
#include <linux/in.h>
#include <net/ip.h>
41
#include <linux/bitmap.h>
42 43 44 45

#include "mlx4_en.h"
#include "en_port.h"

46 47 48
#define EN_ETHTOOL_QP_ATTACH (1ull << 63)
#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
#define EN_ETHTOOL_WORD_MASK  cpu_to_be32(0xffffffff)
49

50 51 52 53 54 55
static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
{
	int i;
	int err = 0;

	for (i = 0; i < priv->tx_ring_num; i++) {
56 57
		priv->tx_cq[i]->moder_cnt = priv->tx_frames;
		priv->tx_cq[i]->moder_time = priv->tx_usecs;
58
		if (priv->port_up) {
59
			err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
60 61 62
			if (err)
				return err;
		}
63 64 65 66 67 68
	}

	if (priv->adaptive_rx_coal)
		return 0;

	for (i = 0; i < priv->rx_ring_num; i++) {
69 70
		priv->rx_cq[i]->moder_cnt = priv->rx_frames;
		priv->rx_cq[i]->moder_time = priv->rx_usecs;
71
		priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
72
		if (priv->port_up) {
73
			err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
74 75 76
			if (err)
				return err;
		}
77 78 79 80 81
	}

	return err;
}

82 83 84 85 86 87
static void
mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;

88 89 90 91 92
	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
		sizeof(drvinfo->version));
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
		"%d.%d.%d",
93 94 95
		(u16) (mdev->dev->caps.fw_ver >> 32),
		(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
		(u16) (mdev->dev->caps.fw_ver & 0xffff));
96
	strlcpy(drvinfo->bus_info, pci_name(mdev->dev->persist->pdev),
97
		sizeof(drvinfo->bus_info));
98 99 100 101 102
	drvinfo->n_stats = 0;
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}

103 104 105 106
static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = {
	"blueflame",
};

107
static const char main_strings[][ETH_GSTRING_LEN] = {
108
	/* main statistics */
109 110 111 112 113 114 115 116
	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
	"tx_heartbeat_errors", "tx_window_errors",

	/* port statistics */
117
	"tso_packets",
E
Eric Dumazet 已提交
118
	"xmit_more",
119
	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
120
	"rx_csum_good", "rx_csum_none", "rx_csum_complete", "tx_chksum_offload",
121

122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
	/* priority flow control statistics rx */
	"rx_pause_prio_0", "rx_pause_duration_prio_0",
	"rx_pause_transition_prio_0",
	"rx_pause_prio_1", "rx_pause_duration_prio_1",
	"rx_pause_transition_prio_1",
	"rx_pause_prio_2", "rx_pause_duration_prio_2",
	"rx_pause_transition_prio_2",
	"rx_pause_prio_3", "rx_pause_duration_prio_3",
	"rx_pause_transition_prio_3",
	"rx_pause_prio_4", "rx_pause_duration_prio_4",
	"rx_pause_transition_prio_4",
	"rx_pause_prio_5", "rx_pause_duration_prio_5",
	"rx_pause_transition_prio_5",
	"rx_pause_prio_6", "rx_pause_duration_prio_6",
	"rx_pause_transition_prio_6",
	"rx_pause_prio_7", "rx_pause_duration_prio_7",
	"rx_pause_transition_prio_7",

	/* flow control statistics rx */
	"rx_pause", "rx_pause_duration", "rx_pause_transition",

	/* priority flow control statistics tx */
	"tx_pause_prio_0", "tx_pause_duration_prio_0",
	"tx_pause_transition_prio_0",
	"tx_pause_prio_1", "tx_pause_duration_prio_1",
	"tx_pause_transition_prio_1",
	"tx_pause_prio_2", "tx_pause_duration_prio_2",
	"tx_pause_transition_prio_2",
	"tx_pause_prio_3", "tx_pause_duration_prio_3",
	"tx_pause_transition_prio_3",
	"tx_pause_prio_4", "tx_pause_duration_prio_4",
	"tx_pause_transition_prio_4",
	"tx_pause_prio_5", "tx_pause_duration_prio_5",
	"tx_pause_transition_prio_5",
	"tx_pause_prio_6", "tx_pause_duration_prio_6",
	"tx_pause_transition_prio_6",
	"tx_pause_prio_7", "tx_pause_duration_prio_7",
	"tx_pause_transition_prio_7",

	/* flow control statistics tx */
	"tx_pause", "tx_pause_duration", "tx_pause_transition",

164 165 166 167 168 169 170
	/* packet statistics */
	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
	"tx_prio_6", "tx_prio_7",
};

171
static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
M
Masanari Iida 已提交
172
	"Interrupt Test",
173 174 175 176 177 178
	"Link Test",
	"Speed Test",
	"Register Test",
	"Loopback Test",
};

179 180 181 182 183 184 185 186 187 188 189 190 191
static u32 mlx4_en_get_msglevel(struct net_device *dev)
{
	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
}

static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
{
	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
}

static void mlx4_en_get_wol(struct net_device *netdev,
			    struct ethtool_wolinfo *wol)
{
Y
Yevgeny Petrilin 已提交
192 193 194
	struct mlx4_en_priv *priv = netdev_priv(netdev);
	int err = 0;
	u64 config = 0;
195
	u64 mask;
Y
Yevgeny Petrilin 已提交
196

197 198 199 200 201 202 203 204 205
	if ((priv->port < 1) || (priv->port > 2)) {
		en_err(priv, "Failed to get WoL information\n");
		return;
	}

	mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
		MLX4_DEV_CAP_FLAG_WOL_PORT2;

	if (!(priv->mdev->dev->caps.flags & mask)) {
Y
Yevgeny Petrilin 已提交
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
		wol->supported = 0;
		wol->wolopts = 0;
		return;
	}

	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	if (err) {
		en_err(priv, "Failed to get WoL information\n");
		return;
	}

	if (config & MLX4_EN_WOL_MAGIC)
		wol->supported = WAKE_MAGIC;
	else
		wol->supported = 0;

	if (config & MLX4_EN_WOL_ENABLED)
		wol->wolopts = WAKE_MAGIC;
	else
		wol->wolopts = 0;
}

static int mlx4_en_set_wol(struct net_device *netdev,
			    struct ethtool_wolinfo *wol)
{
	struct mlx4_en_priv *priv = netdev_priv(netdev);
	u64 config = 0;
	int err = 0;
234 235 236 237 238 239 240
	u64 mask;

	if ((priv->port < 1) || (priv->port > 2))
		return -EOPNOTSUPP;

	mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
		MLX4_DEV_CAP_FLAG_WOL_PORT2;
Y
Yevgeny Petrilin 已提交
241

242
	if (!(priv->mdev->dev->caps.flags & mask))
Y
Yevgeny Petrilin 已提交
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266
		return -EOPNOTSUPP;

	if (wol->supported & ~WAKE_MAGIC)
		return -EINVAL;

	err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
	if (err) {
		en_err(priv, "Failed to get WoL info, unable to modify\n");
		return err;
	}

	if (wol->wolopts & WAKE_MAGIC) {
		config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
				MLX4_EN_WOL_MAGIC;
	} else {
		config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
		config |= MLX4_EN_WOL_DO_MODIFY;
	}

	err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
	if (err)
		en_err(priv, "Failed to set WoL information\n");

	return err;
267 268
}

269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302
struct bitmap_iterator {
	unsigned long *stats_bitmap;
	unsigned int count;
	unsigned int iterator;
	bool advance_array; /* if set, force no increments */
};

static inline void bitmap_iterator_init(struct bitmap_iterator *h,
					unsigned long *stats_bitmap,
					int count)
{
	h->iterator = 0;
	h->advance_array = !bitmap_empty(stats_bitmap, count);
	h->count = h->advance_array ? bitmap_weight(stats_bitmap, count)
		: count;
	h->stats_bitmap = stats_bitmap;
}

static inline int bitmap_iterator_test(struct bitmap_iterator *h)
{
	return !h->advance_array ? 1 : test_bit(h->iterator, h->stats_bitmap);
}

static inline int bitmap_iterator_inc(struct bitmap_iterator *h)
{
	return h->iterator++;
}

static inline unsigned int
bitmap_iterator_count(struct bitmap_iterator *h)
{
	return h->count;
}

303 304 305
static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
306 307
	struct bitmap_iterator it;

308
	bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
309

310 311
	switch (sset) {
	case ETH_SS_STATS:
312
		return bitmap_iterator_count(&it) +
313
			(priv->tx_ring_num * 2) +
314
#ifdef CONFIG_NET_RX_BUSY_POLL
315 316 317 318
			(priv->rx_ring_num * 5);
#else
			(priv->rx_ring_num * 2);
#endif
319
	case ETH_SS_TEST:
320 321
		return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
					& MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
322 323
	case ETH_SS_PRIV_FLAGS:
		return ARRAY_SIZE(mlx4_en_priv_flags);
324
	default:
325
		return -EOPNOTSUPP;
326
	}
327 328 329 330 331 332 333
}

static void mlx4_en_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, uint64_t *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int index = 0;
334 335 336
	int i;
	struct bitmap_iterator it;

337
	bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
338 339 340

	spin_lock_bh(&priv->stats_lock);

341 342 343 344 345 346 347 348
	for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] = ((unsigned long *)&priv->stats)[i];

	for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] = ((unsigned long *)&priv->port_stats)[i];

349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368
	for (i = 0; i < NUM_FLOW_PRIORITY_STATS_RX;
	     i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] =
				((u64 *)&priv->rx_priority_flowstats)[i];

	for (i = 0; i < NUM_FLOW_STATS_RX; i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] = ((u64 *)&priv->rx_flowstats)[i];

	for (i = 0; i < NUM_FLOW_PRIORITY_STATS_TX;
	     i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] =
				((u64 *)&priv->tx_priority_flowstats)[i];

	for (i = 0; i < NUM_FLOW_STATS_TX; i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] = ((u64 *)&priv->tx_flowstats)[i];

369 370 371 372
	for (i = 0; i < NUM_PKT_STATS; i++, bitmap_iterator_inc(&it))
		if (bitmap_iterator_test(&it))
			data[index++] = ((unsigned long *)&priv->pkstats)[i];

373
	for (i = 0; i < priv->tx_ring_num; i++) {
374 375
		data[index++] = priv->tx_ring[i]->packets;
		data[index++] = priv->tx_ring[i]->bytes;
376 377
	}
	for (i = 0; i < priv->rx_ring_num; i++) {
378 379
		data[index++] = priv->rx_ring[i]->packets;
		data[index++] = priv->rx_ring[i]->bytes;
380
#ifdef CONFIG_NET_RX_BUSY_POLL
381 382 383
		data[index++] = priv->rx_ring[i]->yields;
		data[index++] = priv->rx_ring[i]->misses;
		data[index++] = priv->rx_ring[i]->cleaned;
384
#endif
385 386 387 388 389
	}
	spin_unlock_bh(&priv->stats_lock);

}

390 391 392 393 394 395
static void mlx4_en_self_test(struct net_device *dev,
			      struct ethtool_test *etest, u64 *buf)
{
	mlx4_en_ex_selftest(dev, &etest->flags, buf);
}

396 397 398 399 400
static void mlx4_en_get_strings(struct net_device *dev,
				uint32_t stringset, uint8_t *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int index = 0;
401 402 403
	int i, strings = 0;
	struct bitmap_iterator it;

404
	bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS);
405

406 407 408 409
	switch (stringset) {
	case ETH_SS_TEST:
		for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
			strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
410
		if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
411 412 413 414 415 416
			for (; i < MLX4_EN_NUM_SELF_TEST; i++)
				strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
		break;

	case ETH_SS_STATS:
		/* Add main counters */
417 418 419
		for (i = 0; i < NUM_MAIN_STATS; i++, strings++,
		     bitmap_iterator_inc(&it))
			if (bitmap_iterator_test(&it))
420
				strcpy(data + (index++) * ETH_GSTRING_LEN,
421 422 423 424 425
				       main_strings[strings]);

		for (i = 0; i < NUM_PORT_STATS; i++, strings++,
		     bitmap_iterator_inc(&it))
			if (bitmap_iterator_test(&it))
426
				strcpy(data + (index++) * ETH_GSTRING_LEN,
427 428
				       main_strings[strings]);

429 430 431 432 433 434
		for (i = 0; i < NUM_FLOW_STATS; i++, strings++,
		     bitmap_iterator_inc(&it))
			if (bitmap_iterator_test(&it))
				strcpy(data + (index++) * ETH_GSTRING_LEN,
				       main_strings[strings]);

435 436 437
		for (i = 0; i < NUM_PKT_STATS; i++, strings++,
		     bitmap_iterator_inc(&it))
			if (bitmap_iterator_test(&it))
438
				strcpy(data + (index++) * ETH_GSTRING_LEN,
439 440
				       main_strings[strings]);

441 442 443 444 445 446 447 448 449 450 451
		for (i = 0; i < priv->tx_ring_num; i++) {
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"tx%d_packets", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"tx%d_bytes", i);
		}
		for (i = 0; i < priv->rx_ring_num; i++) {
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_packets", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_bytes", i);
452
#ifdef CONFIG_NET_RX_BUSY_POLL
453 454 455 456 457 458 459
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_napi_yield", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_misses", i);
			sprintf(data + (index++) * ETH_GSTRING_LEN,
				"rx%d_cleaned", i);
#endif
460 461
		}
		break;
462 463 464 465 466 467
	case ETH_SS_PRIV_FLAGS:
		for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++)
			strcpy(data + i * ETH_GSTRING_LEN,
			       mlx4_en_priv_flags[i]);
		break;

468
	}
469 470
}

471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
static u32 mlx4_en_autoneg_get(struct net_device *dev)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	u32 autoneg = AUTONEG_DISABLE;

	if ((mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP) &&
	    (priv->port_state.flags & MLX4_EN_PORT_ANE))
		autoneg = AUTONEG_ENABLE;

	return autoneg;
}

static u32 ptys_get_supported_port(struct mlx4_ptys_reg *ptys_reg)
{
	u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);

	if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
			 | MLX4_PROT_MASK(MLX4_1000BASE_T)
			 | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
			return SUPPORTED_TP;
	}

	if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
			 | MLX4_PROT_MASK(MLX4_10GBASE_SR)
			 | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_CR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
			 | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
			return SUPPORTED_FIBRE;
	}

	if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
			 | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
			 | MLX4_PROT_MASK(MLX4_10GBASE_KR)
			 | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
			 | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
			return SUPPORTED_Backplane;
	}
	return 0;
}

static u32 ptys_get_active_port(struct mlx4_ptys_reg *ptys_reg)
{
	u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_oper);

	if (!eth_proto) /* link down */
		eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap);

	if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T)
			 | MLX4_PROT_MASK(MLX4_1000BASE_T)
			 | MLX4_PROT_MASK(MLX4_100BASE_TX))) {
			return PORT_TP;
	}

	if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_SR)
			 | MLX4_PROT_MASK(MLX4_56GBASE_SR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_SR4)
			 | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) {
			return PORT_FIBRE;
	}

	if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR)
			 | MLX4_PROT_MASK(MLX4_56GBASE_CR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_CR4))) {
			return PORT_DA;
	}

	if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4)
			 | MLX4_PROT_MASK(MLX4_40GBASE_KR4)
			 | MLX4_PROT_MASK(MLX4_20GBASE_KR2)
			 | MLX4_PROT_MASK(MLX4_10GBASE_KR)
			 | MLX4_PROT_MASK(MLX4_10GBASE_KX4)
			 | MLX4_PROT_MASK(MLX4_1000BASE_KX))) {
			return PORT_NONE;
	}
	return PORT_OTHER;
}

#define MLX4_LINK_MODES_SZ \
	(FIELD_SIZEOF(struct mlx4_ptys_reg, eth_proto_cap) * 8)

enum ethtool_report {
	SUPPORTED = 0,
	ADVERTISED = 1,
	SPEED = 2
};

/* Translates mlx4 link mode to equivalent ethtool Link modes/speed */
static u32 ptys2ethtool_map[MLX4_LINK_MODES_SZ][3] = {
	[MLX4_100BASE_TX] = {
		SUPPORTED_100baseT_Full,
		ADVERTISED_100baseT_Full,
		SPEED_100
		},

	[MLX4_1000BASE_T] = {
		SUPPORTED_1000baseT_Full,
		ADVERTISED_1000baseT_Full,
		SPEED_1000
		},
	[MLX4_1000BASE_CX_SGMII] = {
		SUPPORTED_1000baseKX_Full,
		ADVERTISED_1000baseKX_Full,
		SPEED_1000
		},
	[MLX4_1000BASE_KX] = {
		SUPPORTED_1000baseKX_Full,
		ADVERTISED_1000baseKX_Full,
		SPEED_1000
		},

	[MLX4_10GBASE_T] = {
		SUPPORTED_10000baseT_Full,
		ADVERTISED_10000baseT_Full,
		SPEED_10000
		},
	[MLX4_10GBASE_CX4] = {
		SUPPORTED_10000baseKX4_Full,
		ADVERTISED_10000baseKX4_Full,
		SPEED_10000
		},
	[MLX4_10GBASE_KX4] = {
		SUPPORTED_10000baseKX4_Full,
		ADVERTISED_10000baseKX4_Full,
		SPEED_10000
		},
	[MLX4_10GBASE_KR] = {
		SUPPORTED_10000baseKR_Full,
		ADVERTISED_10000baseKR_Full,
		SPEED_10000
		},
	[MLX4_10GBASE_CR] = {
		SUPPORTED_10000baseKR_Full,
		ADVERTISED_10000baseKR_Full,
		SPEED_10000
		},
	[MLX4_10GBASE_SR] = {
		SUPPORTED_10000baseKR_Full,
		ADVERTISED_10000baseKR_Full,
		SPEED_10000
		},

	[MLX4_20GBASE_KR2] = {
		SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full,
		ADVERTISED_20000baseMLD2_Full | ADVERTISED_20000baseKR2_Full,
		SPEED_20000
		},

	[MLX4_40GBASE_CR4] = {
		SUPPORTED_40000baseCR4_Full,
		ADVERTISED_40000baseCR4_Full,
		SPEED_40000
		},
	[MLX4_40GBASE_KR4] = {
		SUPPORTED_40000baseKR4_Full,
		ADVERTISED_40000baseKR4_Full,
		SPEED_40000
		},
	[MLX4_40GBASE_SR4] = {
		SUPPORTED_40000baseSR4_Full,
		ADVERTISED_40000baseSR4_Full,
		SPEED_40000
		},

	[MLX4_56GBASE_KR4] = {
		SUPPORTED_56000baseKR4_Full,
		ADVERTISED_56000baseKR4_Full,
		SPEED_56000
		},
	[MLX4_56GBASE_CR4] = {
		SUPPORTED_56000baseCR4_Full,
		ADVERTISED_56000baseCR4_Full,
		SPEED_56000
		},
	[MLX4_56GBASE_SR4] = {
		SUPPORTED_56000baseSR4_Full,
		ADVERTISED_56000baseSR4_Full,
		SPEED_56000
		},
};

static u32 ptys2ethtool_link_modes(u32 eth_proto, enum ethtool_report report)
{
	int i;
	u32 link_modes = 0;

	for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
		if (eth_proto & MLX4_PROT_MASK(i))
			link_modes |= ptys2ethtool_map[i][report];
	}
	return link_modes;
}

666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690
static u32 ethtool2ptys_link_modes(u32 link_modes, enum ethtool_report report)
{
	int i;
	u32 ptys_modes = 0;

	for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
		if (ptys2ethtool_map[i][report] & link_modes)
			ptys_modes |= 1 << i;
	}
	return ptys_modes;
}

/* Convert actual speed (SPEED_XXX) to ptys link modes */
static u32 speed2ptys_link_modes(u32 speed)
{
	int i;
	u32 ptys_modes = 0;

	for (i = 0; i < MLX4_LINK_MODES_SZ; i++) {
		if (ptys2ethtool_map[i][SPEED] == speed)
			ptys_modes |= 1 << i;
	}
	return ptys_modes;
}

691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766
static int ethtool_get_ptys_settings(struct net_device *dev,
				     struct ethtool_cmd *cmd)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_ptys_reg ptys_reg;
	u32 eth_proto;
	int ret;

	memset(&ptys_reg, 0, sizeof(ptys_reg));
	ptys_reg.local_port = priv->port;
	ptys_reg.proto_mask = MLX4_PTYS_EN;
	ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
				   MLX4_ACCESS_REG_QUERY, &ptys_reg);
	if (ret) {
		en_warn(priv, "Failed to run mlx4_ACCESS_PTYS_REG status(%x)",
			ret);
		return ret;
	}
	en_dbg(DRV, priv, "ptys_reg.proto_mask       %x\n",
	       ptys_reg.proto_mask);
	en_dbg(DRV, priv, "ptys_reg.eth_proto_cap    %x\n",
	       be32_to_cpu(ptys_reg.eth_proto_cap));
	en_dbg(DRV, priv, "ptys_reg.eth_proto_admin  %x\n",
	       be32_to_cpu(ptys_reg.eth_proto_admin));
	en_dbg(DRV, priv, "ptys_reg.eth_proto_oper   %x\n",
	       be32_to_cpu(ptys_reg.eth_proto_oper));
	en_dbg(DRV, priv, "ptys_reg.eth_proto_lp_adv %x\n",
	       be32_to_cpu(ptys_reg.eth_proto_lp_adv));

	cmd->supported = 0;
	cmd->advertising = 0;

	cmd->supported |= ptys_get_supported_port(&ptys_reg);

	eth_proto = be32_to_cpu(ptys_reg.eth_proto_cap);
	cmd->supported |= ptys2ethtool_link_modes(eth_proto, SUPPORTED);

	eth_proto = be32_to_cpu(ptys_reg.eth_proto_admin);
	cmd->advertising |= ptys2ethtool_link_modes(eth_proto, ADVERTISED);

	cmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
	cmd->advertising |= (priv->prof->tx_pause) ? ADVERTISED_Pause : 0;

	cmd->advertising |= (priv->prof->tx_pause ^ priv->prof->rx_pause) ?
		ADVERTISED_Asym_Pause : 0;

	cmd->port = ptys_get_active_port(&ptys_reg);
	cmd->transceiver = (SUPPORTED_TP & cmd->supported) ?
		XCVR_EXTERNAL : XCVR_INTERNAL;

	if (mlx4_en_autoneg_get(dev)) {
		cmd->supported |= SUPPORTED_Autoneg;
		cmd->advertising |= ADVERTISED_Autoneg;
	}

	cmd->autoneg = (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
		AUTONEG_ENABLE : AUTONEG_DISABLE;

	eth_proto = be32_to_cpu(ptys_reg.eth_proto_lp_adv);
	cmd->lp_advertising = ptys2ethtool_link_modes(eth_proto, ADVERTISED);

	cmd->lp_advertising |= (priv->port_state.flags & MLX4_EN_PORT_ANC) ?
			ADVERTISED_Autoneg : 0;

	cmd->phy_address = 0;
	cmd->mdio_support = 0;
	cmd->maxtxpkt = 0;
	cmd->maxrxpkt = 0;
	cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
	cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;

	return ret;
}

static void ethtool_get_default_settings(struct net_device *dev,
					 struct ethtool_cmd *cmd)
767
{
768 769 770
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int trans_type;

771 772
	cmd->autoneg = AUTONEG_DISABLE;
	cmd->supported = SUPPORTED_10000baseT_Full;
773
	cmd->advertising = ADVERTISED_10000baseT_Full;
774
	trans_type = priv->port_state.transceiver;
775 776 777 778 779 780 781 782 783 784 785 786 787 788 789

	if (trans_type > 0 && trans_type <= 0xC) {
		cmd->port = PORT_FIBRE;
		cmd->transceiver = XCVR_EXTERNAL;
		cmd->supported |= SUPPORTED_FIBRE;
		cmd->advertising |= ADVERTISED_FIBRE;
	} else if (trans_type == 0x80 || trans_type == 0) {
		cmd->port = PORT_TP;
		cmd->transceiver = XCVR_INTERNAL;
		cmd->supported |= SUPPORTED_TP;
		cmd->advertising |= ADVERTISED_TP;
	} else  {
		cmd->port = -1;
		cmd->transceiver = -1;
	}
790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815
}

static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int ret = -EINVAL;

	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
		return -ENOMEM;

	en_dbg(DRV, priv, "query port state.flags ANC(%x) ANE(%x)\n",
	       priv->port_state.flags & MLX4_EN_PORT_ANC,
	       priv->port_state.flags & MLX4_EN_PORT_ANE);

	if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL)
		ret = ethtool_get_ptys_settings(dev, cmd);
	if (ret) /* ETH PROT CRTL is not supported or PTYS CMD failed */
		ethtool_get_default_settings(dev, cmd);

	if (netif_carrier_ok(dev)) {
		ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
		cmd->duplex = DUPLEX_FULL;
	} else {
		ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
		cmd->duplex = DUPLEX_UNKNOWN;
	}
816 817 818
	return 0;
}

819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
/* Calculate PTYS admin according ethtool speed (SPEED_XXX) */
static __be32 speed_set_ptys_admin(struct mlx4_en_priv *priv, u32 speed,
				   __be32 proto_cap)
{
	__be32 proto_admin = 0;

	if (!speed) { /* Speed = 0 ==> Reset Link modes */
		proto_admin = proto_cap;
		en_info(priv, "Speed was set to 0, Reset advertised Link Modes to default (%x)\n",
			be32_to_cpu(proto_cap));
	} else {
		u32 ptys_link_modes = speed2ptys_link_modes(speed);

		proto_admin = cpu_to_be32(ptys_link_modes) & proto_cap;
		en_info(priv, "Setting Speed to %d\n", speed);
	}
	return proto_admin;
}

838 839
static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
840 841 842 843 844 845 846 847 848 849 850 851
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_ptys_reg ptys_reg;
	__be32 proto_admin;
	int ret;

	u32 ptys_adv = ethtool2ptys_link_modes(cmd->advertising, ADVERTISED);
	int speed = ethtool_cmd_speed(cmd);

	en_dbg(DRV, priv, "Set Speed=%d adv=0x%x autoneg=%d duplex=%d\n",
	       speed, cmd->advertising, cmd->autoneg, cmd->duplex);

	if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL) ||
852
	    (cmd->duplex == DUPLEX_HALF))
853 854
		return -EINVAL;

855 856 857 858 859 860 861 862 863 864 865
	memset(&ptys_reg, 0, sizeof(ptys_reg));
	ptys_reg.local_port = priv->port;
	ptys_reg.proto_mask = MLX4_PTYS_EN;
	ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev,
				   MLX4_ACCESS_REG_QUERY, &ptys_reg);
	if (ret) {
		en_warn(priv, "Failed to QUERY mlx4_ACCESS_PTYS_REG status(%x)\n",
			ret);
		return 0;
	}

866 867 868 869
	proto_admin = cmd->autoneg == AUTONEG_ENABLE ?
		cpu_to_be32(ptys_adv) :
		speed_set_ptys_admin(priv, speed,
				     ptys_reg.eth_proto_cap);
870 871 872 873 874 875 876

	proto_admin &= ptys_reg.eth_proto_cap;
	if (!proto_admin) {
		en_warn(priv, "Not supported link mode(s) requested, check supported link modes.\n");
		return -EINVAL; /* nothing to change due to bad input */
	}

877 878 879
	if (proto_admin == ptys_reg.eth_proto_admin)
		return 0; /* Nothing to change */

880 881 882 883 884 885 886 887 888 889 890 891 892 893
	en_dbg(DRV, priv, "mlx4_ACCESS_PTYS_REG SET: ptys_reg.eth_proto_admin = 0x%x\n",
	       be32_to_cpu(proto_admin));

	ptys_reg.eth_proto_admin = proto_admin;
	ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, MLX4_ACCESS_REG_WRITE,
				   &ptys_reg);
	if (ret) {
		en_warn(priv, "Failed to write mlx4_ACCESS_PTYS_REG eth_proto_admin(0x%x) status(0x%x)",
			be32_to_cpu(ptys_reg.eth_proto_admin), ret);
		return ret;
	}

	mutex_lock(&priv->mdev->state_lock);
	if (priv->port_up) {
894
		en_warn(priv, "Port link mode changed, restarting port...\n");
895 896 897 898 899
		mlx4_en_stop_port(dev, 1);
		if (mlx4_en_start_port(dev))
			en_err(priv, "Failed restarting port %d\n", priv->port);
	}
	mutex_unlock(&priv->mdev->state_lock);
900 901 902 903 904 905 906 907
	return 0;
}

static int mlx4_en_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

908 909
	coal->tx_coalesce_usecs = priv->tx_usecs;
	coal->tx_max_coalesced_frames = priv->tx_frames;
910 911
	coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;

912 913 914 915 916 917 918 919 920
	coal->rx_coalesce_usecs = priv->rx_usecs;
	coal->rx_max_coalesced_frames = priv->rx_frames;

	coal->pkt_rate_low = priv->pkt_rate_low;
	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
	coal->pkt_rate_high = priv->pkt_rate_high;
	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
	coal->rate_sample_interval = priv->sample_interval;
	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
921

922 923 924 925 926 927 928 929
	return 0;
}

static int mlx4_en_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

930 931 932
	if (!coal->tx_max_coalesced_frames_irq)
		return -EINVAL;

933 934
	priv->rx_frames = (coal->rx_max_coalesced_frames ==
			   MLX4_EN_AUTO_CONF) ?
935
				MLX4_EN_RX_COAL_TARGET :
936 937 938 939 940 941
				coal->rx_max_coalesced_frames;
	priv->rx_usecs = (coal->rx_coalesce_usecs ==
			  MLX4_EN_AUTO_CONF) ?
				MLX4_EN_RX_COAL_TIME :
				coal->rx_coalesce_usecs;

942 943 944 945 946 947 948
	/* Setting TX coalescing parameters */
	if (coal->tx_coalesce_usecs != priv->tx_usecs ||
	    coal->tx_max_coalesced_frames != priv->tx_frames) {
		priv->tx_usecs = coal->tx_coalesce_usecs;
		priv->tx_frames = coal->tx_max_coalesced_frames;
	}

949 950 951 952 953 954 955
	/* Set adaptive coalescing params */
	priv->pkt_rate_low = coal->pkt_rate_low;
	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
	priv->pkt_rate_high = coal->pkt_rate_high;
	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
	priv->sample_interval = coal->rate_sample_interval;
	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
956
	priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
957

958
	return mlx4_en_moderation_update(priv);
959 960 961 962 963 964 965 966 967
}

static int mlx4_en_set_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *pause)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int err;

968 969 970
	if (pause->autoneg)
		return -EINVAL;

971 972
	priv->prof->tx_pause = pause->tx_pause != 0;
	priv->prof->rx_pause = pause->rx_pause != 0;
973 974
	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
				    priv->rx_skb_size + ETH_FCS_LEN,
975 976 977 978
				    priv->prof->tx_pause,
				    priv->prof->tx_ppp,
				    priv->prof->rx_pause,
				    priv->prof->rx_ppp);
979
	if (err)
980
		en_err(priv, "Failed setting pause params\n");
981 982 983 984 985 986
	else
		mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap,
						priv->prof->rx_ppp,
						priv->prof->rx_pause,
						priv->prof->tx_ppp,
						priv->prof->tx_pause);
987 988 989 990 991 992 993 994 995

	return err;
}

static void mlx4_en_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *pause)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

996 997
	pause->tx_pause = priv->prof->tx_pause;
	pause->rx_pause = priv->prof->rx_pause;
998 999
}

1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013
static int mlx4_en_set_ringparam(struct net_device *dev,
				 struct ethtool_ringparam *param)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	u32 rx_size, tx_size;
	int port_up = 0;
	int err = 0;

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

	rx_size = roundup_pow_of_two(param->rx_pending);
	rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
1014
	rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
1015 1016
	tx_size = roundup_pow_of_two(param->tx_pending);
	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
1017
	tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
1018

1019 1020 1021
	if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
					priv->rx_ring[0]->size) &&
	    tx_size == priv->tx_ring[0]->size)
1022 1023 1024 1025 1026
		return 0;

	mutex_lock(&mdev->state_lock);
	if (priv->port_up) {
		port_up = 1;
1027
		mlx4_en_stop_port(dev, 1);
1028 1029
	}

1030
	mlx4_en_free_resources(priv);
1031 1032 1033 1034 1035 1036

	priv->prof->tx_ring_size = tx_size;
	priv->prof->rx_ring_size = rx_size;

	err = mlx4_en_alloc_resources(priv);
	if (err) {
1037
		en_err(priv, "Failed reallocating port resources\n");
1038 1039 1040 1041 1042
		goto out;
	}
	if (port_up) {
		err = mlx4_en_start_port(dev);
		if (err)
1043
			en_err(priv, "Failed starting port\n");
1044 1045
	}

1046
	err = mlx4_en_moderation_update(priv);
1047

1048 1049 1050 1051 1052
out:
	mutex_unlock(&mdev->state_lock);
	return err;
}

1053 1054 1055 1056 1057 1058
static void mlx4_en_get_ringparam(struct net_device *dev,
				  struct ethtool_ringparam *param)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	memset(param, 0, sizeof(*param));
1059 1060
	param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
	param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
1061
	param->rx_pending = priv->port_up ?
1062 1063
		priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
	param->tx_pending = priv->tx_ring[0]->size;
1064 1065
}

1066 1067 1068 1069 1070 1071 1072
static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	return priv->rx_ring_num;
}

1073 1074 1075 1076 1077
static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev)
{
	return MLX4_EN_RSS_KEY_SIZE;
}

1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	/* check if requested function is supported by the device */
	if ((hfunc == ETH_RSS_HASH_TOP &&
	     !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) ||
	    (hfunc == ETH_RSS_HASH_XOR &&
	     !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)))
		return -EINVAL;

	priv->rss_hash_fn = hfunc;
	if (hfunc == ETH_RSS_HASH_TOP && !(dev->features & NETIF_F_RXHASH))
		en_warn(priv,
			"Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
	if (hfunc == ETH_RSS_HASH_XOR && (dev->features & NETIF_F_RXHASH))
		en_warn(priv,
			"Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
	return 0;
}

1099 1100
static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
			    u8 *hfunc)
1101 1102 1103 1104 1105 1106 1107 1108
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_rss_map *rss_map = &priv->rss_map;
	int rss_rings;
	size_t n = priv->rx_ring_num;
	int err = 0;

	rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
1109
	rss_rings = 1 << ilog2(rss_rings);
1110 1111

	while (n--) {
1112 1113
		if (!ring_index)
			break;
1114 1115 1116
		ring_index[n] = rss_map->qps[n % rss_rings].qpn -
			rss_map->base_qpn;
	}
1117
	if (key)
E
Eric Dumazet 已提交
1118
		memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
1119
	if (hfunc)
1120
		*hfunc = priv->rss_hash_fn;
1121 1122 1123
	return err;
}

1124
static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
1125
			    const u8 *key, const u8 hfunc)
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int port_up = 0;
	int err = 0;
	int i;
	int rss_rings = 0;

	/* Calculate RSS table size and make sure flows are spread evenly
	 * between rings
	 */
	for (i = 0; i < priv->rx_ring_num; i++) {
E
Eric Dumazet 已提交
1138 1139
		if (!ring_index)
			continue;
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153
		if (i > 0 && !ring_index[i] && !rss_rings)
			rss_rings = i;

		if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
			return -EINVAL;
	}

	if (!rss_rings)
		rss_rings = priv->rx_ring_num;

	/* RSS table size must be an order of 2 */
	if (!is_power_of_2(rss_rings))
		return -EINVAL;

1154 1155 1156 1157 1158 1159
	if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
		err = mlx4_en_check_rxfh_func(dev, hfunc);
		if (err)
			return err;
	}

1160 1161 1162
	mutex_lock(&mdev->state_lock);
	if (priv->port_up) {
		port_up = 1;
1163
		mlx4_en_stop_port(dev, 1);
1164 1165
	}

E
Eric Dumazet 已提交
1166 1167 1168 1169
	if (ring_index)
		priv->prof->rss_rings = rss_rings;
	if (key)
		memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
1170

1171 1172 1173 1174 1175 1176 1177 1178 1179 1180
	if (port_up) {
		err = mlx4_en_start_port(dev);
		if (err)
			en_err(priv, "Failed starting port\n");
	}

	mutex_unlock(&mdev->state_lock);
	return err;
}

1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
#define all_zeros_or_all_ones(field)		\
	((field) == 0 || (field) == (__force typeof(field))-1)

static int mlx4_en_validate_flow(struct net_device *dev,
				 struct ethtool_rxnfc *cmd)
{
	struct ethtool_usrip4_spec *l3_mask;
	struct ethtool_tcpip4_spec *l4_mask;
	struct ethhdr *eth_mask;

	if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
		return -EINVAL;

1194 1195 1196 1197 1198 1199 1200
	if (cmd->fs.flow_type & FLOW_MAC_EXT) {
		/* dest mac mask must be ff:ff:ff:ff:ff:ff */
		if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
			return -EINVAL;
	}

	switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224
	case TCP_V4_FLOW:
	case UDP_V4_FLOW:
		if (cmd->fs.m_u.tcp_ip4_spec.tos)
			return -EINVAL;
		l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
		/* don't allow mask which isn't all 0 or 1 */
		if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
		    !all_zeros_or_all_ones(l4_mask->ip4dst) ||
		    !all_zeros_or_all_ones(l4_mask->psrc) ||
		    !all_zeros_or_all_ones(l4_mask->pdst))
			return -EINVAL;
		break;
	case IP_USER_FLOW:
		l3_mask = &cmd->fs.m_u.usr_ip4_spec;
		if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
		    cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
		    (!l3_mask->ip4src && !l3_mask->ip4dst) ||
		    !all_zeros_or_all_ones(l3_mask->ip4src) ||
		    !all_zeros_or_all_ones(l3_mask->ip4dst))
			return -EINVAL;
		break;
	case ETHER_FLOW:
		eth_mask = &cmd->fs.m_u.ether_spec;
		/* source mac mask must not be set */
1225
		if (!is_zero_ether_addr(eth_mask->h_source))
1226 1227 1228
			return -EINVAL;

		/* dest mac mask must be ff:ff:ff:ff:ff:ff */
1229
		if (!is_broadcast_ether_addr(eth_mask->h_dest))
1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240
			return -EINVAL;

		if (!all_zeros_or_all_ones(eth_mask->h_proto))
			return -EINVAL;
		break;
	default:
		return -EINVAL;
	}

	if ((cmd->fs.flow_type & FLOW_EXT)) {
		if (cmd->fs.m_ext.vlan_etype ||
1241 1242 1243 1244
		    !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
		      0 ||
		      (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
		      cpu_to_be16(VLAN_VID_MASK)))
1245
			return -EINVAL;
1246

1247 1248 1249
		if (cmd->fs.m_ext.vlan_tci) {
			if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
				return -EINVAL;
1250

1251
		}
1252 1253 1254 1255 1256
	}

	return 0;
}

1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268
static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
					struct list_head *rule_list_h,
					struct mlx4_spec_list *spec_l2,
					unsigned char *mac)
{
	int err = 0;
	__be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);

	spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
	memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
	memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);

1269 1270
	if ((cmd->fs.flow_type & FLOW_EXT) &&
	    (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
1271
		spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
1272
		spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285
	}

	list_add_tail(&spec_l2->list, rule_list_h);

	return err;
}

static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
						struct ethtool_rxnfc *cmd,
						struct list_head *rule_list_h,
						struct mlx4_spec_list *spec_l2,
						__be32 ipv4_dst)
{
1286
#ifdef CONFIG_INET
1287 1288 1289
	unsigned char mac[ETH_ALEN];

	if (!ipv4_is_multicast(ipv4_dst)) {
1290
		if (cmd->fs.flow_type & FLOW_MAC_EXT)
1291
			memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
1292 1293
		else
			memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
1294 1295 1296 1297 1298
	} else {
		ip_eth_mc_map(ipv4_dst, mac);
	}

	return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
1299 1300 1301
#else
	return -EINVAL;
#endif
1302 1303
}

1304
static int add_ip_rule(struct mlx4_en_priv *priv,
1305 1306
		       struct ethtool_rxnfc *cmd,
		       struct list_head *list_h)
1307
{
1308
	int err;
1309 1310
	struct mlx4_spec_list *spec_l2 = NULL;
	struct mlx4_spec_list *spec_l3 = NULL;
1311 1312
	struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;

1313 1314 1315
	spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
	spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
	if (!spec_l2 || !spec_l3) {
1316 1317
		err = -ENOMEM;
		goto free_spec;
1318 1319
	}

1320 1321 1322 1323 1324
	err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
						   cmd->fs.h_u.
						   usr_ip4_spec.ip4dst);
	if (err)
		goto free_spec;
1325 1326 1327 1328 1329 1330 1331 1332 1333 1334
	spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
	spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
	if (l3_mask->ip4src)
		spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
	spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
	if (l3_mask->ip4dst)
		spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
	list_add_tail(&spec_l3->list, list_h);

	return 0;
1335 1336 1337 1338 1339

free_spec:
	kfree(spec_l2);
	kfree(spec_l3);
	return err;
1340 1341 1342 1343 1344 1345
}

static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
			     struct ethtool_rxnfc *cmd,
			     struct list_head *list_h, int proto)
{
1346
	int err;
1347 1348 1349
	struct mlx4_spec_list *spec_l2 = NULL;
	struct mlx4_spec_list *spec_l3 = NULL;
	struct mlx4_spec_list *spec_l4 = NULL;
1350 1351
	struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;

1352 1353 1354 1355
	spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
	spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
	spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
	if (!spec_l2 || !spec_l3 || !spec_l4) {
1356 1357
		err = -ENOMEM;
		goto free_spec;
1358 1359 1360 1361 1362
	}

	spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;

	if (proto == TCP_V4_FLOW) {
1363 1364 1365 1366 1367 1368
		err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
							   spec_l2,
							   cmd->fs.h_u.
							   tcp_ip4_spec.ip4dst);
		if (err)
			goto free_spec;
1369 1370 1371 1372 1373 1374
		spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
		spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
		spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
		spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
		spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
	} else {
1375 1376 1377 1378 1379 1380
		err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
							   spec_l2,
							   cmd->fs.h_u.
							   udp_ip4_spec.ip4dst);
		if (err)
			goto free_spec;
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
		spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
		spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
		spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
		spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
		spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
	}

	if (l4_mask->ip4src)
		spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
	if (l4_mask->ip4dst)
		spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;

	if (l4_mask->psrc)
		spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
	if (l4_mask->pdst)
		spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;

	list_add_tail(&spec_l3->list, list_h);
	list_add_tail(&spec_l4->list, list_h);

	return 0;
1402 1403 1404 1405 1406 1407

free_spec:
	kfree(spec_l2);
	kfree(spec_l3);
	kfree(spec_l4);
	return err;
1408 1409 1410 1411 1412 1413 1414 1415 1416
}

static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
					     struct ethtool_rxnfc *cmd,
					     struct list_head *rule_list_h)
{
	int err;
	struct ethhdr *eth_spec;
	struct mlx4_spec_list *spec_l2;
1417
	struct mlx4_en_priv *priv = netdev_priv(dev);
1418 1419 1420 1421 1422

	err = mlx4_en_validate_flow(dev, cmd);
	if (err)
		return err;

1423
	switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
1424
	case ETHER_FLOW:
1425 1426 1427 1428
		spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
		if (!spec_l2)
			return -ENOMEM;

1429
		eth_spec = &cmd->fs.h_u.ether_spec;
1430 1431
		mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
					     &eth_spec->h_dest[0]);
1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463
		spec_l2->eth.ether_type = eth_spec->h_proto;
		if (eth_spec->h_proto)
			spec_l2->eth.ether_type_enable = 1;
		break;
	case IP_USER_FLOW:
		err = add_ip_rule(priv, cmd, rule_list_h);
		break;
	case TCP_V4_FLOW:
		err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
		break;
	case UDP_V4_FLOW:
		err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
		break;
	}

	return err;
}

static int mlx4_en_flow_replace(struct net_device *dev,
				struct ethtool_rxnfc *cmd)
{
	int err;
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct ethtool_flow_id *loc_rule;
	struct mlx4_spec_list *spec, *tmp_spec;
	u32 qpn;
	u64 reg_id;

	struct mlx4_net_trans_rule rule = {
		.queue_mode = MLX4_NET_TRANS_Q_FIFO,
		.exclusive = 0,
		.allow_loopback = 1,
1464
		.promisc_mode = MLX4_FS_REGULAR,
1465 1466 1467 1468 1469 1470 1471 1472
	};

	rule.port = priv->port;
	rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
	INIT_LIST_HEAD(&rule.list);

	/* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
	if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
1473
		qpn = priv->drop_qp.qpn;
1474 1475 1476 1477
	else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
		qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
	} else {
		if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
J
Joe Perches 已提交
1478
			en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
1479 1480 1481 1482 1483
				cmd->fs.ring_cookie);
			return -EINVAL;
		}
		qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
		if (!qpn) {
J
Joe Perches 已提交
1484
			en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
				cmd->fs.ring_cookie);
			return -EINVAL;
		}
	}
	rule.qpn = qpn;
	err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
	if (err)
		goto out_free_list;

	loc_rule = &priv->ethtool_rules[cmd->fs.location];
	if (loc_rule->id) {
		err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
		if (err) {
			en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
			       cmd->fs.location, loc_rule->id);
			goto out_free_list;
		}
		loc_rule->id = 0;
		memset(&loc_rule->flow_spec, 0,
		       sizeof(struct ethtool_rx_flow_spec));
1505
		list_del(&loc_rule->list);
1506 1507 1508
	}
	err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
	if (err) {
J
Joe Perches 已提交
1509
		en_err(priv, "Fail to attach network rule at location %d\n",
1510 1511 1512 1513 1514 1515
		       cmd->fs.location);
		goto out_free_list;
	}
	loc_rule->id = reg_id;
	memcpy(&loc_rule->flow_spec, &cmd->fs,
	       sizeof(struct ethtool_rx_flow_spec));
1516
	list_add_tail(&loc_rule->list, &priv->ethtool_list);
1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549

out_free_list:
	list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
		list_del(&spec->list);
		kfree(spec);
	}
	return err;
}

static int mlx4_en_flow_detach(struct net_device *dev,
			       struct ethtool_rxnfc *cmd)
{
	int err = 0;
	struct ethtool_flow_id *rule;
	struct mlx4_en_priv *priv = netdev_priv(dev);

	if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
		return -EINVAL;

	rule = &priv->ethtool_rules[cmd->fs.location];
	if (!rule->id) {
		err =  -ENOENT;
		goto out;
	}

	err = mlx4_flow_detach(priv->mdev->dev, rule->id);
	if (err) {
		en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
		       cmd->fs.location, rule->id);
		goto out;
	}
	rule->id = 0;
	memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1550
	list_del(&rule->list);
1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587
out:
	return err;

}

static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
			    int loc)
{
	int err = 0;
	struct ethtool_flow_id *rule;
	struct mlx4_en_priv *priv = netdev_priv(dev);

	if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
		return -EINVAL;

	rule = &priv->ethtool_rules[loc];
	if (rule->id)
		memcpy(&cmd->fs, &rule->flow_spec,
		       sizeof(struct ethtool_rx_flow_spec));
	else
		err = -ENOENT;

	return err;
}

static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
{

	int i, res = 0;
	for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
		if (priv->ethtool_rules[i].id)
			res++;
	}
	return res;

}

1588 1589 1590 1591
static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
			     u32 *rule_locs)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
1592
	struct mlx4_en_dev *mdev = priv->mdev;
1593
	int err = 0;
1594 1595 1596 1597 1598
	int i = 0, priority = 0;

	if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
	     cmd->cmd == ETHTOOL_GRXCLSRULE ||
	     cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1599 1600
	    (mdev->dev->caps.steering_mode !=
	     MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1601
		return -EINVAL;
1602 1603 1604 1605 1606

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
		cmd->data = priv->rx_ring_num;
		break;
1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621
	case ETHTOOL_GRXCLSRLCNT:
		cmd->rule_cnt = mlx4_en_get_num_flows(priv);
		break;
	case ETHTOOL_GRXCLSRULE:
		err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
		break;
	case ETHTOOL_GRXCLSRLALL:
		while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
			err = mlx4_en_get_flow(dev, cmd, i);
			if (!err)
				rule_locs[priority++] = i;
			i++;
		}
		err = 0;
		break;
1622 1623 1624 1625 1626 1627 1628 1629
	default:
		err = -EOPNOTSUPP;
		break;
	}

	return err;
}

1630 1631 1632 1633 1634 1635
static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
	int err = 0;
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;

1636 1637
	if (mdev->dev->caps.steering_mode !=
	    MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654
		return -EINVAL;

	switch (cmd->cmd) {
	case ETHTOOL_SRXCLSRLINS:
		err = mlx4_en_flow_replace(dev, cmd);
		break;
	case ETHTOOL_SRXCLSRLDEL:
		err = mlx4_en_flow_detach(dev, cmd);
		break;
	default:
		en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
		return -EINVAL;
	}

	return err;
}

1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
static void mlx4_en_get_channels(struct net_device *dev,
				 struct ethtool_channels *channel)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	memset(channel, 0, sizeof(*channel));

	channel->max_rx = MAX_RX_RINGS;
	channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;

	channel->rx_count = priv->rx_ring_num;
	channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
}

static int mlx4_en_set_channels(struct net_device *dev,
				struct ethtool_channels *channel)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
1674
	int port_up = 0;
1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685
	int err = 0;

	if (channel->other_count || channel->combined_count ||
	    channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
	    channel->rx_count > MAX_RX_RINGS ||
	    !channel->tx_count || !channel->rx_count)
		return -EINVAL;

	mutex_lock(&mdev->state_lock);
	if (priv->port_up) {
		port_up = 1;
1686
		mlx4_en_stop_port(dev, 1);
1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703
	}

	mlx4_en_free_resources(priv);

	priv->num_tx_rings_p_up = channel->tx_count;
	priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
	priv->rx_ring_num = channel->rx_count;

	err = mlx4_en_alloc_resources(priv);
	if (err) {
		en_err(priv, "Failed reallocating port resources\n");
		goto out;
	}

	netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
	netif_set_real_num_rx_queues(dev, priv->rx_ring_num);

1704 1705
	if (dev->num_tc)
		mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722

	en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
	en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);

	if (port_up) {
		err = mlx4_en_start_port(dev);
		if (err)
			en_err(priv, "Failed starting port\n");
	}

	err = mlx4_en_moderation_update(priv);

out:
	mutex_unlock(&mdev->state_lock);
	return err;
}

1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746
static int mlx4_en_get_ts_info(struct net_device *dev,
			       struct ethtool_ts_info *info)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int ret;

	ret = ethtool_op_get_ts_info(dev, info);
	if (ret)
		return ret;

	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
		info->so_timestamping |=
			SOF_TIMESTAMPING_TX_HARDWARE |
			SOF_TIMESTAMPING_RX_HARDWARE |
			SOF_TIMESTAMPING_RAW_HARDWARE;

		info->tx_types =
			(1 << HWTSTAMP_TX_OFF) |
			(1 << HWTSTAMP_TX_ON);

		info->rx_filters =
			(1 << HWTSTAMP_FILTER_NONE) |
			(1 << HWTSTAMP_FILTER_ALL);
S
Shawn Bohrer 已提交
1747 1748 1749

		if (mdev->ptp_clock)
			info->phc_index = ptp_clock_index(mdev->ptp_clock);
1750 1751 1752 1753 1754
	}

	return ret;
}

1755
static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags)
1756 1757 1758 1759 1760 1761 1762 1763 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 1789
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
	bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME);
	int i;

	if (bf_enabled_new == bf_enabled_old)
		return 0; /* Nothing to do */

	if (bf_enabled_new) {
		bool bf_supported = true;

		for (i = 0; i < priv->tx_ring_num; i++)
			bf_supported &= priv->tx_ring[i]->bf_alloced;

		if (!bf_supported) {
			en_err(priv, "BlueFlame is not supported\n");
			return -EINVAL;
		}

		priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME;
	} else {
		priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME;
	}

	for (i = 0; i < priv->tx_ring_num; i++)
		priv->tx_ring[i]->bf_enabled = bf_enabled_new;

	en_info(priv, "BlueFlame %s\n",
		bf_enabled_new ?  "Enabled" : "Disabled");

	return 0;
}

1790
static u32 mlx4_en_get_priv_flags(struct net_device *dev)
1791 1792 1793 1794 1795 1796
{
	struct mlx4_en_priv *priv = netdev_priv(dev);

	return priv->pflags;
}

1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838
static int mlx4_en_get_tunable(struct net_device *dev,
			       const struct ethtool_tunable *tuna,
			       void *data)
{
	const struct mlx4_en_priv *priv = netdev_priv(dev);
	int ret = 0;

	switch (tuna->id) {
	case ETHTOOL_TX_COPYBREAK:
		*(u32 *)data = priv->prof->inline_thold;
		break;
	default:
		ret = -EINVAL;
		break;
	}

	return ret;
}

static int mlx4_en_set_tunable(struct net_device *dev,
			       const struct ethtool_tunable *tuna,
			       const void *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	int val, ret = 0;

	switch (tuna->id) {
	case ETHTOOL_TX_COPYBREAK:
		val = *(u32 *)data;
		if (val < MIN_PKT_LEN || val > MAX_INLINE)
			ret = -EINVAL;
		else
			priv->prof->inline_thold = val;
		break;
	default:
		ret = -EINVAL;
		break;
	}

	return ret;
}

1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 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 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918
static int mlx4_en_get_module_info(struct net_device *dev,
				   struct ethtool_modinfo *modinfo)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int ret;
	u8 data[4];

	/* Read first 2 bytes to get Module & REV ID */
	ret = mlx4_get_module_info(mdev->dev, priv->port,
				   0/*offset*/, 2/*size*/, data);
	if (ret < 2)
		return -EIO;

	switch (data[0] /* identifier */) {
	case MLX4_MODULE_ID_QSFP:
		modinfo->type = ETH_MODULE_SFF_8436;
		modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
		break;
	case MLX4_MODULE_ID_QSFP_PLUS:
		if (data[1] >= 0x3) { /* revision id */
			modinfo->type = ETH_MODULE_SFF_8636;
			modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
		} else {
			modinfo->type = ETH_MODULE_SFF_8436;
			modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
		}
		break;
	case MLX4_MODULE_ID_QSFP28:
		modinfo->type = ETH_MODULE_SFF_8636;
		modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
		break;
	case MLX4_MODULE_ID_SFP:
		modinfo->type = ETH_MODULE_SFF_8472;
		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
		break;
	default:
		return -ENOSYS;
	}

	return 0;
}

static int mlx4_en_get_module_eeprom(struct net_device *dev,
				     struct ethtool_eeprom *ee,
				     u8 *data)
{
	struct mlx4_en_priv *priv = netdev_priv(dev);
	struct mlx4_en_dev *mdev = priv->mdev;
	int offset = ee->offset;
	int i = 0, ret;

	if (ee->len == 0)
		return -EINVAL;

	memset(data, 0, ee->len);

	while (i < ee->len) {
		en_dbg(DRV, priv,
		       "mlx4_get_module_info i(%d) offset(%d) len(%d)\n",
		       i, offset, ee->len - i);

		ret = mlx4_get_module_info(mdev->dev, priv->port,
					   offset, ee->len - i, data + i);

		if (!ret) /* Done reading */
			return 0;

		if (ret < 0) {
			en_err(priv,
			       "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n",
			       i, offset, ee->len - i, ret);
			return 0;
		}

		i += ret;
		offset += ret;
	}
	return 0;
}
1919

1920 1921 1922 1923 1924 1925 1926 1927
const struct ethtool_ops mlx4_en_ethtool_ops = {
	.get_drvinfo = mlx4_en_get_drvinfo,
	.get_settings = mlx4_en_get_settings,
	.set_settings = mlx4_en_set_settings,
	.get_link = ethtool_op_get_link,
	.get_strings = mlx4_en_get_strings,
	.get_sset_count = mlx4_en_get_sset_count,
	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
1928
	.self_test = mlx4_en_self_test,
1929
	.get_wol = mlx4_en_get_wol,
Y
Yevgeny Petrilin 已提交
1930
	.set_wol = mlx4_en_set_wol,
1931 1932 1933 1934 1935 1936 1937
	.get_msglevel = mlx4_en_get_msglevel,
	.set_msglevel = mlx4_en_set_msglevel,
	.get_coalesce = mlx4_en_get_coalesce,
	.set_coalesce = mlx4_en_set_coalesce,
	.get_pauseparam = mlx4_en_get_pauseparam,
	.set_pauseparam = mlx4_en_set_pauseparam,
	.get_ringparam = mlx4_en_get_ringparam,
1938
	.set_ringparam = mlx4_en_set_ringparam,
1939
	.get_rxnfc = mlx4_en_get_rxnfc,
1940
	.set_rxnfc = mlx4_en_set_rxnfc,
1941
	.get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1942
	.get_rxfh_key_size = mlx4_en_get_rxfh_key_size,
1943 1944
	.get_rxfh = mlx4_en_get_rxfh,
	.set_rxfh = mlx4_en_set_rxfh,
1945 1946
	.get_channels = mlx4_en_get_channels,
	.set_channels = mlx4_en_set_channels,
1947
	.get_ts_info = mlx4_en_get_ts_info,
1948 1949
	.set_priv_flags = mlx4_en_set_priv_flags,
	.get_priv_flags = mlx4_en_get_priv_flags,
1950 1951
	.get_tunable		= mlx4_en_get_tunable,
	.set_tunable		= mlx4_en_set_tunable,
1952 1953
	.get_module_info = mlx4_en_get_module_info,
	.get_module_eeprom = mlx4_en_get_module_eeprom
1954 1955 1956 1957 1958 1959
};