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be_ethtool.c

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linux-6.19.14/drivers/net/ethernet/emulex/benet/be_ethtool.c C
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2005 - 2016 Broadcom
   4 * All rights reserved.
   5 *
   6 * Contact Information:
   7 * linux-drivers@emulex.com
   8 *
   9 * Emulex
  10 * 3333 Susan Street
  11 * Costa Mesa, CA 92626
  12 */
  13
  14#include "be.h"
  15#include "be_cmds.h"
  16#include <linux/ethtool.h>
  17
  18struct be_ethtool_stat {
  19	char desc[ETH_GSTRING_LEN];
  20	int type;
  21	int size;
  22	int offset;
  23};
  24
  25enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
  26#define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
  27					offsetof(_struct, field)
  28#define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
  29					FIELDINFO(struct be_tx_stats, field)
  30#define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
  31					FIELDINFO(struct be_rx_stats, field)
  32#define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
  33					FIELDINFO(struct be_drv_stats, field)
  34
  35static const struct be_ethtool_stat et_stats[] = {
  36	{DRVSTAT_INFO(rx_crc_errors)},
  37	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
  38	{DRVSTAT_INFO(rx_pause_frames)},
  39	{DRVSTAT_INFO(rx_control_frames)},
  40	/* Received packets dropped when the Ethernet length field
  41	 * is not equal to the actual Ethernet data length.
  42	 */
  43	{DRVSTAT_INFO(rx_in_range_errors)},
  44	/* Received packets dropped when their length field is >= 1501 bytes
  45	 * and <= 1535 bytes.
  46	 */
  47	{DRVSTAT_INFO(rx_out_range_errors)},
  48	/* Received packets dropped when they are longer than 9216 bytes */
  49	{DRVSTAT_INFO(rx_frame_too_long)},
  50	/* Received packets dropped when they don't pass the unicast or
  51	 * multicast address filtering.
  52	 */
  53	{DRVSTAT_INFO(rx_address_filtered)},
  54	/* Received packets dropped when IP packet length field is less than
  55	 * the IP header length field.
  56	 */
  57	{DRVSTAT_INFO(rx_dropped_too_small)},
  58	/* Received packets dropped when IP length field is greater than
  59	 * the actual packet length.
  60	 */
  61	{DRVSTAT_INFO(rx_dropped_too_short)},
  62	/* Received packets dropped when the IP header length field is less
  63	 * than 5.
  64	 */
  65	{DRVSTAT_INFO(rx_dropped_header_too_small)},
  66	/* Received packets dropped when the TCP header length field is less
  67	 * than 5 or the TCP header length + IP header length is more
  68	 * than IP packet length.
  69	 */
  70	{DRVSTAT_INFO(rx_dropped_tcp_length)},
  71	{DRVSTAT_INFO(rx_dropped_runt)},
  72	/* Number of received packets dropped when a fifo for descriptors going
  73	 * into the packet demux block overflows. In normal operation, this
  74	 * fifo must never overflow.
  75	 */
  76	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
  77	/* Received packets dropped when the RX block runs out of space in
  78	 * one of its input FIFOs. This could happen due a long burst of
  79	 * minimum-sized (64b) frames in the receive path.
  80	 * This counter may also be erroneously incremented rarely.
  81	 */
  82	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  83	{DRVSTAT_INFO(rx_ip_checksum_errs)},
  84	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
  85	{DRVSTAT_INFO(rx_udp_checksum_errs)},
  86	{DRVSTAT_INFO(tx_pauseframes)},
  87	{DRVSTAT_INFO(tx_controlframes)},
  88	{DRVSTAT_INFO(rx_priority_pause_frames)},
  89	{DRVSTAT_INFO(tx_priority_pauseframes)},
  90	/* Received packets dropped when an internal fifo going into
  91	 * main packet buffer tank (PMEM) overflows.
  92	 */
  93	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  94	{DRVSTAT_INFO(jabber_events)},
  95	/* Received packets dropped due to lack of available HW packet buffers
  96	 * used to temporarily hold the received packets.
  97	 */
  98	{DRVSTAT_INFO(rx_drops_no_pbuf)},
  99	/* Received packets dropped due to input receive buffer
 100	 * descriptor fifo overflowing.
 101	 */
 102	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
 103	/* Packets dropped because the internal FIFO to the offloaded TCP
 104	 * receive processing block is full. This could happen only for
 105	 * offloaded iSCSI or FCoE trarffic.
 106	 */
 107	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
 108	/* Received packets dropped when they need more than 8
 109	 * receive buffers. This cannot happen as the driver configures
 110	 * 2048 byte receive buffers.
 111	 */
 112	{DRVSTAT_INFO(rx_drops_too_many_frags)},
 113	{DRVSTAT_INFO(forwarded_packets)},
 114	/* Received packets dropped when the frame length
 115	 * is more than 9018 bytes
 116	 */
 117	{DRVSTAT_INFO(rx_drops_mtu)},
 118	/* Number of dma mapping errors */
 119	{DRVSTAT_INFO(dma_map_errors)},
 120	/* Number of packets dropped due to random early drop function */
 121	{DRVSTAT_INFO(eth_red_drops)},
 122	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
 123	{DRVSTAT_INFO(rx_roce_bytes_msd)},
 124	{DRVSTAT_INFO(rx_roce_frames)},
 125	{DRVSTAT_INFO(roce_drops_payload_len)},
 126	{DRVSTAT_INFO(roce_drops_crc)}
 127};
 128
 129#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 130
 131/* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 132 * are first and second members respectively.
 133 */
 134static const struct be_ethtool_stat et_rx_stats[] = {
 135	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
 136	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
 137	{DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
 138	{DRVSTAT_RX_INFO(rx_compl)},
 139	{DRVSTAT_RX_INFO(rx_compl_err)},
 140	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
 141	/* Number of page allocation failures while posting receive buffers
 142	 * to HW.
 143	 */
 144	{DRVSTAT_RX_INFO(rx_post_fail)},
 145	/* Recevied packets dropped due to skb allocation failure */
 146	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
 147	/* Received packets dropped due to lack of available fetched buffers
 148	 * posted by the driver.
 149	 */
 150	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
 151};
 152
 153#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 154
 155/* Stats related to multi TX queues: get_stats routine assumes compl is the
 156 * first member
 157 */
 158static const struct be_ethtool_stat et_tx_stats[] = {
 159	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
 160	/* This counter is incremented when the HW encounters an error while
 161	 * parsing the packet header of an outgoing TX request. This counter is
 162	 * applicable only for BE2, BE3 and Skyhawk based adapters.
 163	 */
 164	{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
 165	/* This counter is incremented when an error occurs in the DMA
 166	 * operation associated with the TX request from the host to the device.
 167	 */
 168	{DRVSTAT_TX_INFO(tx_dma_err)},
 169	/* This counter is incremented when MAC or VLAN spoof checking is
 170	 * enabled on the interface and the TX request fails the spoof check
 171	 * in HW.
 172	 */
 173	{DRVSTAT_TX_INFO(tx_spoof_check_err)},
 174	/* This counter is incremented when the HW encounters an error while
 175	 * performing TSO offload. This counter is applicable only for Lancer
 176	 * adapters.
 177	 */
 178	{DRVSTAT_TX_INFO(tx_tso_err)},
 179	/* This counter is incremented when the HW detects Q-in-Q style VLAN
 180	 * tagging in a packet and such tagging is not expected on the outgoing
 181	 * interface. This counter is applicable only for Lancer adapters.
 182	 */
 183	{DRVSTAT_TX_INFO(tx_qinq_err)},
 184	/* This counter is incremented when the HW detects parity errors in the
 185	 * packet data. This counter is applicable only for Lancer adapters.
 186	 */
 187	{DRVSTAT_TX_INFO(tx_internal_parity_err)},
 188	{DRVSTAT_TX_INFO(tx_sge_err)},
 189	{DRVSTAT_TX_INFO(tx_bytes)},
 190	{DRVSTAT_TX_INFO(tx_pkts)},
 191	{DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
 192	/* Number of skbs queued for trasmission by the driver */
 193	{DRVSTAT_TX_INFO(tx_reqs)},
 194	/* Number of times the TX queue was stopped due to lack
 195	 * of spaces in the TXQ.
 196	 */
 197	{DRVSTAT_TX_INFO(tx_stops)},
 198	/* Pkts dropped in the driver's transmit path */
 199	{DRVSTAT_TX_INFO(tx_drv_drops)}
 200};
 201
 202#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 203
 204static const char et_self_tests[][ETH_GSTRING_LEN] = {
 205	"MAC Loopback test",
 206	"PHY Loopback test",
 207	"External Loopback test",
 208	"DDR DMA test",
 209	"Link test"
 210};
 211
 212#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 213#define BE_MAC_LOOPBACK 0x0
 214#define BE_PHY_LOOPBACK 0x1
 215#define BE_ONE_PORT_EXT_LOOPBACK 0x2
 216#define BE_NO_LOOPBACK 0xff
 217
 218static void be_get_drvinfo(struct net_device *netdev,
 219			   struct ethtool_drvinfo *drvinfo)
 220{
 221	struct be_adapter *adapter = netdev_priv(netdev);
 222
 223	strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 224	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
 225		strscpy(drvinfo->fw_version, adapter->fw_ver,
 226			sizeof(drvinfo->fw_version));
 227	else
 228		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 229			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
 230
 231	strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
 232		sizeof(drvinfo->bus_info));
 233}
 234
 235static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 236{
 237	u32 data_read = 0, eof;
 238	u8 addn_status;
 239	struct be_dma_mem data_len_cmd;
 240
 241	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 242	/* data_offset and data_size should be 0 to get reg len */
 243	lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
 244			       &data_read, &eof, &addn_status);
 245
 246	return data_read;
 247}
 248
 249static int be_get_dump_len(struct be_adapter *adapter)
 250{
 251	u32 dump_size = 0;
 252
 253	if (lancer_chip(adapter))
 254		dump_size = lancer_cmd_get_file_len(adapter,
 255						    LANCER_FW_DUMP_FILE);
 256	else
 257		dump_size = adapter->fat_dump_len;
 258
 259	return dump_size;
 260}
 261
 262static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 263				u32 buf_len, void *buf)
 264{
 265	struct be_dma_mem read_cmd;
 266	u32 read_len = 0, total_read_len = 0, chunk_size;
 267	u32 eof = 0;
 268	u8 addn_status;
 269	int status = 0;
 270
 271	read_cmd.size = LANCER_READ_FILE_CHUNK;
 272	read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
 273					 &read_cmd.dma, GFP_ATOMIC);
 274
 275	if (!read_cmd.va) {
 276		dev_err(&adapter->pdev->dev,
 277			"Memory allocation failure while reading dump\n");
 278		return -ENOMEM;
 279	}
 280
 281	while ((total_read_len < buf_len) && !eof) {
 282		chunk_size = min_t(u32, (buf_len - total_read_len),
 283				   LANCER_READ_FILE_CHUNK);
 284		chunk_size = ALIGN(chunk_size, 4);
 285		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 286						total_read_len, file_name,
 287						&read_len, &eof, &addn_status);
 288		if (!status) {
 289			memcpy(buf + total_read_len, read_cmd.va, read_len);
 290			total_read_len += read_len;
 291			eof &= LANCER_READ_FILE_EOF_MASK;
 292		} else {
 293			status = -EIO;
 294			break;
 295		}
 296	}
 297	dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
 298			  read_cmd.dma);
 299
 300	return status;
 301}
 302
 303static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
 304			     void *buf)
 305{
 306	int status = 0;
 307
 308	if (lancer_chip(adapter))
 309		status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 310					      dump_len, buf);
 311	else
 312		status = be_cmd_get_fat_dump(adapter, dump_len, buf);
 313
 314	return status;
 315}
 316
 317static int be_get_coalesce(struct net_device *netdev,
 318			   struct ethtool_coalesce *et,
 319			   struct kernel_ethtool_coalesce *kernel_coal,
 320			   struct netlink_ext_ack *extack)
 321{
 322	struct be_adapter *adapter = netdev_priv(netdev);
 323	struct be_aic_obj *aic = &adapter->aic_obj[0];
 324
 325	et->rx_coalesce_usecs = aic->prev_eqd;
 326	et->rx_coalesce_usecs_high = aic->max_eqd;
 327	et->rx_coalesce_usecs_low = aic->min_eqd;
 328
 329	et->tx_coalesce_usecs = aic->prev_eqd;
 330	et->tx_coalesce_usecs_high = aic->max_eqd;
 331	et->tx_coalesce_usecs_low = aic->min_eqd;
 332
 333	et->use_adaptive_rx_coalesce = adapter->aic_enabled;
 334	et->use_adaptive_tx_coalesce = adapter->aic_enabled;
 335
 336	return 0;
 337}
 338
 339/* TX attributes are ignored. Only RX attributes are considered
 340 * eqd cmd is issued in the worker thread.
 341 */
 342static int be_set_coalesce(struct net_device *netdev,
 343			   struct ethtool_coalesce *et,
 344			   struct kernel_ethtool_coalesce *kernel_coal,
 345			   struct netlink_ext_ack *extack)
 346{
 347	struct be_adapter *adapter = netdev_priv(netdev);
 348	struct be_aic_obj *aic = &adapter->aic_obj[0];
 349	struct be_eq_obj *eqo;
 350	int i;
 351
 352	adapter->aic_enabled = et->use_adaptive_rx_coalesce;
 353
 354	for_all_evt_queues(adapter, eqo, i) {
 355		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 356		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 357		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 358		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 359		aic++;
 360	}
 361
 362	/* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
 363	 * When AIC is disabled, persistently force set EQD value via the
 364	 * FW cmd, so that we don't have to calculate the delay multiplier
 365	 * encode value each time EQ_DB is rung
 366	 */
 367	if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
 368		be_eqd_update(adapter, true);
 369
 370	return 0;
 371}
 372
 373static void be_get_ethtool_stats(struct net_device *netdev,
 374				 struct ethtool_stats *stats, uint64_t *data)
 375{
 376	struct be_adapter *adapter = netdev_priv(netdev);
 377	struct be_rx_obj *rxo;
 378	struct be_tx_obj *txo;
 379	void *p;
 380	unsigned int i, j, base = 0, start;
 381
 382	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 383		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 384		data[i] = *(u32 *)p;
 385	}
 386	base += ETHTOOL_STATS_NUM;
 387
 388	for_all_rx_queues(adapter, rxo, j) {
 389		struct be_rx_stats *stats = rx_stats(rxo);
 390
 391		do {
 392			start = u64_stats_fetch_begin(&stats->sync);
 393			data[base] = stats->rx_bytes;
 394			data[base + 1] = stats->rx_pkts;
 395		} while (u64_stats_fetch_retry(&stats->sync, start));
 396
 397		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 398			p = (u8 *)stats + et_rx_stats[i].offset;
 399			data[base + i] = *(u32 *)p;
 400		}
 401		base += ETHTOOL_RXSTATS_NUM;
 402	}
 403
 404	for_all_tx_queues(adapter, txo, j) {
 405		struct be_tx_stats *stats = tx_stats(txo);
 406
 407		do {
 408			start = u64_stats_fetch_begin(&stats->sync_compl);
 409			data[base] = stats->tx_compl;
 410		} while (u64_stats_fetch_retry(&stats->sync_compl, start));
 411
 412		do {
 413			start = u64_stats_fetch_begin(&stats->sync);
 414			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 415				p = (u8 *)stats + et_tx_stats[i].offset;
 416				data[base + i] =
 417					(et_tx_stats[i].size == sizeof(u64)) ?
 418						*(u64 *)p : *(u32 *)p;
 419			}
 420		} while (u64_stats_fetch_retry(&stats->sync, start));
 421		base += ETHTOOL_TXSTATS_NUM;
 422	}
 423}
 424
 425static const char be_priv_flags[][ETH_GSTRING_LEN] = {
 426	"disable-tpe-recovery"
 427};
 428
 429static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 430				uint8_t *data)
 431{
 432	struct be_adapter *adapter = netdev_priv(netdev);
 433	int i, j;
 434
 435	switch (stringset) {
 436	case ETH_SS_STATS:
 437		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 438			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 439			data += ETH_GSTRING_LEN;
 440		}
 441		for (i = 0; i < adapter->num_rx_qs; i++) {
 442			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 443				sprintf(data, "rxq%d: %s", i,
 444					et_rx_stats[j].desc);
 445				data += ETH_GSTRING_LEN;
 446			}
 447		}
 448		for (i = 0; i < adapter->num_tx_qs; i++) {
 449			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 450				sprintf(data, "txq%d: %s", i,
 451					et_tx_stats[j].desc);
 452				data += ETH_GSTRING_LEN;
 453			}
 454		}
 455		break;
 456	case ETH_SS_TEST:
 457		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 458			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 459			data += ETH_GSTRING_LEN;
 460		}
 461		break;
 462	case ETH_SS_PRIV_FLAGS:
 463		for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
 464			strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
 465		break;
 466	}
 467}
 468
 469static int be_get_sset_count(struct net_device *netdev, int stringset)
 470{
 471	struct be_adapter *adapter = netdev_priv(netdev);
 472
 473	switch (stringset) {
 474	case ETH_SS_TEST:
 475		return ETHTOOL_TESTS_NUM;
 476	case ETH_SS_STATS:
 477		return ETHTOOL_STATS_NUM +
 478			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 479			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 480	case ETH_SS_PRIV_FLAGS:
 481		return ARRAY_SIZE(be_priv_flags);
 482	default:
 483		return -EINVAL;
 484	}
 485}
 486
 487static u32 be_get_port_type(struct be_adapter *adapter)
 488{
 489	u32 port;
 490
 491	switch (adapter->phy.interface_type) {
 492	case PHY_TYPE_BASET_1GB:
 493	case PHY_TYPE_BASEX_1GB:
 494	case PHY_TYPE_SGMII:
 495		port = PORT_TP;
 496		break;
 497	case PHY_TYPE_SFP_PLUS_10GB:
 498		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 499			port = PORT_DA;
 500		else
 501			port = PORT_FIBRE;
 502		break;
 503	case PHY_TYPE_QSFP:
 504		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 505			port = PORT_DA;
 506		else
 507			port = PORT_FIBRE;
 508		break;
 509	case PHY_TYPE_XFP_10GB:
 510	case PHY_TYPE_SFP_1GB:
 511		port = PORT_FIBRE;
 512		break;
 513	case PHY_TYPE_BASET_10GB:
 514		port = PORT_TP;
 515		break;
 516	default:
 517		port = PORT_OTHER;
 518	}
 519
 520	return port;
 521}
 522
 523static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 524{
 525	u32 val = 0;
 526
 527	switch (adapter->phy.interface_type) {
 528	case PHY_TYPE_BASET_1GB:
 529	case PHY_TYPE_BASEX_1GB:
 530	case PHY_TYPE_SGMII:
 531		val |= SUPPORTED_TP;
 532		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 533			val |= SUPPORTED_1000baseT_Full;
 534		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 535			val |= SUPPORTED_100baseT_Full;
 536		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 537			val |= SUPPORTED_10baseT_Full;
 538		break;
 539	case PHY_TYPE_KX4_10GB:
 540		val |= SUPPORTED_Backplane;
 541		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 542			val |= SUPPORTED_1000baseKX_Full;
 543		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 544			val |= SUPPORTED_10000baseKX4_Full;
 545		break;
 546	case PHY_TYPE_KR2_20GB:
 547		val |= SUPPORTED_Backplane;
 548		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 549			val |= SUPPORTED_10000baseKR_Full;
 550		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 551			val |= SUPPORTED_20000baseKR2_Full;
 552		break;
 553	case PHY_TYPE_KR_10GB:
 554		val |= SUPPORTED_Backplane |
 555				SUPPORTED_10000baseKR_Full;
 556		break;
 557	case PHY_TYPE_KR4_40GB:
 558		val |= SUPPORTED_Backplane;
 559		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 560			val |= SUPPORTED_10000baseKR_Full;
 561		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 562			val |= SUPPORTED_40000baseKR4_Full;
 563		break;
 564	case PHY_TYPE_QSFP:
 565		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 566			switch (adapter->phy.cable_type) {
 567			case QSFP_PLUS_CR4_CABLE:
 568				val |= SUPPORTED_40000baseCR4_Full;
 569				break;
 570			case QSFP_PLUS_LR4_CABLE:
 571				val |= SUPPORTED_40000baseLR4_Full;
 572				break;
 573			default:
 574				val |= SUPPORTED_40000baseSR4_Full;
 575				break;
 576			}
 577		}
 578		fallthrough;
 579	case PHY_TYPE_SFP_PLUS_10GB:
 580	case PHY_TYPE_XFP_10GB:
 581	case PHY_TYPE_SFP_1GB:
 582		val |= SUPPORTED_FIBRE;
 583		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 584			val |= SUPPORTED_10000baseT_Full;
 585		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 586			val |= SUPPORTED_1000baseT_Full;
 587		break;
 588	case PHY_TYPE_BASET_10GB:
 589		val |= SUPPORTED_TP;
 590		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 591			val |= SUPPORTED_10000baseT_Full;
 592		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 593			val |= SUPPORTED_1000baseT_Full;
 594		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 595			val |= SUPPORTED_100baseT_Full;
 596		break;
 597	default:
 598		val |= SUPPORTED_TP;
 599	}
 600
 601	return val;
 602}
 603
 604bool be_pause_supported(struct be_adapter *adapter)
 605{
 606	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 607		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 608		false : true;
 609}
 610
 611static int be_get_link_ksettings(struct net_device *netdev,
 612				 struct ethtool_link_ksettings *cmd)
 613{
 614	struct be_adapter *adapter = netdev_priv(netdev);
 615	u8 link_status;
 616	u16 link_speed = 0;
 617	int status;
 618	u32 auto_speeds;
 619	u32 fixed_speeds;
 620	u32 supported = 0, advertising = 0;
 621
 622	if (adapter->phy.link_speed < 0) {
 623		status = be_cmd_link_status_query(adapter, &link_speed,
 624						  &link_status, 0);
 625		if (!status)
 626			be_link_status_update(adapter, link_status);
 627		cmd->base.speed = link_speed;
 628
 629		status = be_cmd_get_phy_info(adapter);
 630		if (!status) {
 631			auto_speeds = adapter->phy.auto_speeds_supported;
 632			fixed_speeds = adapter->phy.fixed_speeds_supported;
 633
 634			be_cmd_query_cable_type(adapter);
 635
 636			supported =
 637				convert_to_et_setting(adapter,
 638						      auto_speeds |
 639						      fixed_speeds);
 640			advertising =
 641				convert_to_et_setting(adapter, auto_speeds);
 642
 643			cmd->base.port = be_get_port_type(adapter);
 644
 645			if (adapter->phy.auto_speeds_supported) {
 646				supported |= SUPPORTED_Autoneg;
 647				cmd->base.autoneg = AUTONEG_ENABLE;
 648				advertising |= ADVERTISED_Autoneg;
 649			}
 650
 651			supported |= SUPPORTED_Pause;
 652			if (be_pause_supported(adapter))
 653				advertising |= ADVERTISED_Pause;
 654		} else {
 655			cmd->base.port = PORT_OTHER;
 656			cmd->base.autoneg = AUTONEG_DISABLE;
 657		}
 658
 659		/* Save for future use */
 660		adapter->phy.link_speed = cmd->base.speed;
 661		adapter->phy.port_type = cmd->base.port;
 662		adapter->phy.autoneg = cmd->base.autoneg;
 663		adapter->phy.advertising = advertising;
 664		adapter->phy.supported = supported;
 665	} else {
 666		cmd->base.speed = adapter->phy.link_speed;
 667		cmd->base.port = adapter->phy.port_type;
 668		cmd->base.autoneg = adapter->phy.autoneg;
 669		advertising = adapter->phy.advertising;
 670		supported = adapter->phy.supported;
 671	}
 672
 673	cmd->base.duplex = netif_carrier_ok(netdev) ?
 674		DUPLEX_FULL : DUPLEX_UNKNOWN;
 675	cmd->base.phy_address = adapter->port_num;
 676
 677	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 678						supported);
 679	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 680						advertising);
 681
 682	return 0;
 683}
 684
 685static void be_get_ringparam(struct net_device *netdev,
 686			     struct ethtool_ringparam *ring,
 687			     struct kernel_ethtool_ringparam *kernel_ring,
 688			     struct netlink_ext_ack *extack)
 689{
 690	struct be_adapter *adapter = netdev_priv(netdev);
 691
 692	ring->rx_max_pending = adapter->rx_obj[0].q.len;
 693	ring->rx_pending = adapter->rx_obj[0].q.len;
 694	ring->tx_max_pending = adapter->tx_obj[0].q.len;
 695	ring->tx_pending = adapter->tx_obj[0].q.len;
 696}
 697
 698static void
 699be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 700{
 701	struct be_adapter *adapter = netdev_priv(netdev);
 702
 703	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 704	ecmd->autoneg = adapter->phy.fc_autoneg;
 705}
 706
 707static int
 708be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 709{
 710	struct be_adapter *adapter = netdev_priv(netdev);
 711	int status;
 712
 713	if (ecmd->autoneg != adapter->phy.fc_autoneg)
 714		return -EINVAL;
 715
 716	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 717					 ecmd->rx_pause);
 718	if (status) {
 719		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 720		return be_cmd_status(status);
 721	}
 722
 723	adapter->tx_fc = ecmd->tx_pause;
 724	adapter->rx_fc = ecmd->rx_pause;
 725	return 0;
 726}
 727
 728static int be_set_phys_id(struct net_device *netdev,
 729			  enum ethtool_phys_id_state state)
 730{
 731	struct be_adapter *adapter = netdev_priv(netdev);
 732	int status = 0;
 733
 734	switch (state) {
 735	case ETHTOOL_ID_ACTIVE:
 736		status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 737						 &adapter->beacon_state);
 738		if (status)
 739			return be_cmd_status(status);
 740		return 1;       /* cycle on/off once per second */
 741
 742	case ETHTOOL_ID_ON:
 743		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 744						 0, 0, BEACON_STATE_ENABLED);
 745		break;
 746
 747	case ETHTOOL_ID_OFF:
 748		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 749						 0, 0, BEACON_STATE_DISABLED);
 750		break;
 751
 752	case ETHTOOL_ID_INACTIVE:
 753		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 754						 0, 0, adapter->beacon_state);
 755	}
 756
 757	return be_cmd_status(status);
 758}
 759
 760static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 761{
 762	struct be_adapter *adapter = netdev_priv(netdev);
 763	struct device *dev = &adapter->pdev->dev;
 764	int status;
 765
 766	if (!lancer_chip(adapter) ||
 767	    !check_privilege(adapter, MAX_PRIVILEGES))
 768		return -EOPNOTSUPP;
 769
 770	switch (dump->flag) {
 771	case LANCER_INITIATE_FW_DUMP:
 772		status = lancer_initiate_dump(adapter);
 773		if (!status)
 774			dev_info(dev, "FW dump initiated successfully\n");
 775		break;
 776	case LANCER_DELETE_FW_DUMP:
 777		status = lancer_delete_dump(adapter);
 778		if (!status)
 779			dev_info(dev, "FW dump deleted successfully\n");
 780	break;
 781	default:
 782		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 783		return -EINVAL;
 784	}
 785	return status;
 786}
 787
 788static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 789{
 790	struct be_adapter *adapter = netdev_priv(netdev);
 791
 792	if (adapter->wol_cap & BE_WOL_CAP) {
 793		wol->supported |= WAKE_MAGIC;
 794		if (adapter->wol_en)
 795			wol->wolopts |= WAKE_MAGIC;
 796	} else {
 797		wol->wolopts = 0;
 798	}
 799	memset(&wol->sopass, 0, sizeof(wol->sopass));
 800}
 801
 802static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 803{
 804	struct be_adapter *adapter = netdev_priv(netdev);
 805	struct device *dev = &adapter->pdev->dev;
 806	struct be_dma_mem cmd;
 807	u8 mac[ETH_ALEN];
 808	bool enable;
 809	int status;
 810
 811	if (wol->wolopts & ~WAKE_MAGIC)
 812		return -EOPNOTSUPP;
 813
 814	if (!(adapter->wol_cap & BE_WOL_CAP)) {
 815		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 816		return -EOPNOTSUPP;
 817	}
 818
 819	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 820	cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 821	if (!cmd.va)
 822		return -ENOMEM;
 823
 824	eth_zero_addr(mac);
 825
 826	enable = wol->wolopts & WAKE_MAGIC;
 827	if (enable)
 828		ether_addr_copy(mac, adapter->netdev->dev_addr);
 829
 830	status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 831	if (status) {
 832		dev_err(dev, "Could not set Wake-on-lan mac address\n");
 833		status = be_cmd_status(status);
 834		goto err;
 835	}
 836
 837	pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 838	pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 839
 840	adapter->wol_en = enable ? true : false;
 841
 842err:
 843	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 844	return status;
 845}
 846
 847static int be_test_ddr_dma(struct be_adapter *adapter)
 848{
 849	int ret, i;
 850	struct be_dma_mem ddrdma_cmd;
 851	static const u64 pattern[2] = {
 852		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 853	};
 854
 855	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 856	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
 857					   ddrdma_cmd.size, &ddrdma_cmd.dma,
 858					   GFP_KERNEL);
 859	if (!ddrdma_cmd.va)
 860		return -ENOMEM;
 861
 862	for (i = 0; i < 2; i++) {
 863		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 864					  4096, &ddrdma_cmd);
 865		if (ret != 0)
 866			goto err;
 867	}
 868
 869err:
 870	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 871			  ddrdma_cmd.dma);
 872	return be_cmd_status(ret);
 873}
 874
 875static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 876			    u64 *status)
 877{
 878	int ret;
 879
 880	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 881				  loopback_type, 1);
 882	if (ret)
 883		return ret;
 884
 885	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 886				       loopback_type, 1500, 2, 0xabc);
 887
 888	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 889				  BE_NO_LOOPBACK, 1);
 890	if (ret)
 891		return ret;
 892
 893	return *status;
 894}
 895
 896static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 897			 u64 *data)
 898{
 899	struct be_adapter *adapter = netdev_priv(netdev);
 900	int status, cnt;
 901	u8 link_status = 0;
 902
 903	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 904		dev_err(&adapter->pdev->dev, "Self test not supported\n");
 905		test->flags |= ETH_TEST_FL_FAILED;
 906		return;
 907	}
 908
 909	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 910
 911	/* check link status before offline tests */
 912	link_status = netif_carrier_ok(netdev);
 913
 914	if (test->flags & ETH_TEST_FL_OFFLINE) {
 915		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 916			test->flags |= ETH_TEST_FL_FAILED;
 917
 918		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 919			test->flags |= ETH_TEST_FL_FAILED;
 920
 921		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 922			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 923					     &data[2]) != 0)
 924				test->flags |= ETH_TEST_FL_FAILED;
 925			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 926		}
 927	}
 928
 929	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 930		data[3] = 1;
 931		test->flags |= ETH_TEST_FL_FAILED;
 932	}
 933
 934	/* link status was down prior to test */
 935	if (!link_status) {
 936		test->flags |= ETH_TEST_FL_FAILED;
 937		data[4] = 1;
 938		return;
 939	}
 940
 941	for (cnt = 10; cnt; cnt--) {
 942		status = be_cmd_link_status_query(adapter, NULL, &link_status,
 943						  0);
 944		if (status) {
 945			test->flags |= ETH_TEST_FL_FAILED;
 946			data[4] = -1;
 947			break;
 948		}
 949
 950		if (link_status)
 951			break;
 952
 953		msleep_interruptible(500);
 954	}
 955}
 956
 957static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 958{
 959	struct be_adapter *adapter = netdev_priv(netdev);
 960
 961	return be_load_fw(adapter, efl->data);
 962}
 963
 964static int
 965be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 966{
 967	struct be_adapter *adapter = netdev_priv(netdev);
 968
 969	if (!check_privilege(adapter, MAX_PRIVILEGES))
 970		return -EOPNOTSUPP;
 971
 972	dump->len = be_get_dump_len(adapter);
 973	dump->version = 1;
 974	dump->flag = 0x1;	/* FW dump is enabled */
 975	return 0;
 976}
 977
 978static int
 979be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 980		 void *buf)
 981{
 982	struct be_adapter *adapter = netdev_priv(netdev);
 983	int status;
 984
 985	if (!check_privilege(adapter, MAX_PRIVILEGES))
 986		return -EOPNOTSUPP;
 987
 988	status = be_read_dump_data(adapter, dump->len, buf);
 989	return be_cmd_status(status);
 990}
 991
 992static int be_get_eeprom_len(struct net_device *netdev)
 993{
 994	struct be_adapter *adapter = netdev_priv(netdev);
 995
 996	if (!check_privilege(adapter, MAX_PRIVILEGES))
 997		return 0;
 998
 999	if (lancer_chip(adapter)) {
1000		if (be_physfn(adapter))
1001			return lancer_cmd_get_file_len(adapter,
1002						       LANCER_VPD_PF_FILE);
1003		else
1004			return lancer_cmd_get_file_len(adapter,
1005						       LANCER_VPD_VF_FILE);
1006	} else {
1007		return BE_READ_SEEPROM_LEN;
1008	}
1009}
1010
1011static int be_read_eeprom(struct net_device *netdev,
1012			  struct ethtool_eeprom *eeprom, uint8_t *data)
1013{
1014	struct be_adapter *adapter = netdev_priv(netdev);
1015	struct be_dma_mem eeprom_cmd;
1016	struct be_cmd_resp_seeprom_read *resp;
1017	int status;
1018
1019	if (!eeprom->len)
1020		return -EINVAL;
1021
1022	if (lancer_chip(adapter)) {
1023		if (be_physfn(adapter))
1024			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1025						    eeprom->len, data);
1026		else
1027			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1028						    eeprom->len, data);
1029	}
1030
1031	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1032
1033	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1034	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1035	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1036					   eeprom_cmd.size, &eeprom_cmd.dma,
1037					   GFP_KERNEL);
1038
1039	if (!eeprom_cmd.va)
1040		return -ENOMEM;
1041
1042	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1043
1044	if (!status) {
1045		resp = eeprom_cmd.va;
1046		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1047	}
1048	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1049			  eeprom_cmd.dma);
1050
1051	return be_cmd_status(status);
1052}
1053
1054static u32 be_get_msg_level(struct net_device *netdev)
1055{
1056	struct be_adapter *adapter = netdev_priv(netdev);
1057
1058	return adapter->msg_enable;
1059}
1060
1061static void be_set_msg_level(struct net_device *netdev, u32 level)
1062{
1063	struct be_adapter *adapter = netdev_priv(netdev);
1064
1065	if (adapter->msg_enable == level)
1066		return;
1067
1068	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1069		if (BEx_chip(adapter))
1070			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1071						FW_LOG_LEVEL_DEFAULT :
1072						FW_LOG_LEVEL_FATAL);
1073	adapter->msg_enable = level;
1074}
1075
1076static int be_get_rxfh_fields(struct net_device *netdev,
1077			      struct ethtool_rxfh_fields *cmd)
1078{
1079	struct be_adapter *adapter = netdev_priv(netdev);
1080	u64 flow_type = cmd->flow_type;
1081	u64 data = 0;
1082
1083	if (!be_multi_rxq(adapter)) {
1084		dev_info(&adapter->pdev->dev,
1085			 "ethtool::get_rxfh: RX flow hashing is disabled\n");
1086		return -EINVAL;
1087	}
1088
1089	switch (flow_type) {
1090	case TCP_V4_FLOW:
1091		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1092			data |= RXH_IP_DST | RXH_IP_SRC;
1093		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1094			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1095		break;
1096	case UDP_V4_FLOW:
1097		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1098			data |= RXH_IP_DST | RXH_IP_SRC;
1099		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1100			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1101		break;
1102	case TCP_V6_FLOW:
1103		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1104			data |= RXH_IP_DST | RXH_IP_SRC;
1105		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1106			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1107		break;
1108	case UDP_V6_FLOW:
1109		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1110			data |= RXH_IP_DST | RXH_IP_SRC;
1111		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1112			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1113		break;
1114	}
1115
1116	cmd->data = data;
1117	return 0;
1118}
1119
1120static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1121			u32 *rule_locs)
1122{
1123	struct be_adapter *adapter = netdev_priv(netdev);
1124
1125	if (!be_multi_rxq(adapter)) {
1126		dev_info(&adapter->pdev->dev,
1127			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1128		return -EINVAL;
1129	}
1130
1131	switch (cmd->cmd) {
1132	case ETHTOOL_GRXRINGS:
1133		cmd->data = adapter->num_rx_qs;
1134		break;
1135	default:
1136		return -EINVAL;
1137	}
1138
1139	return 0;
1140}
1141
1142static int be_set_rxfh_fields(struct net_device *netdev,
1143			      const struct ethtool_rxfh_fields *cmd,
1144			      struct netlink_ext_ack *extack)
1145{
1146	struct be_adapter *adapter = netdev_priv(netdev);
1147	u32 rss_flags = adapter->rss_info.rss_flags;
1148	int status;
1149
1150	if (!be_multi_rxq(adapter)) {
1151		dev_err(&adapter->pdev->dev,
1152			"ethtool::set_rxfh: RX flow hashing is disabled\n");
1153		return -EINVAL;
1154	}
1155
1156	if (cmd->data != L3_RSS_FLAGS &&
1157	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1158		return -EINVAL;
1159
1160	switch (cmd->flow_type) {
1161	case TCP_V4_FLOW:
1162		if (cmd->data == L3_RSS_FLAGS)
1163			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1164		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1165			rss_flags |= RSS_ENABLE_IPV4 |
1166					RSS_ENABLE_TCP_IPV4;
1167		break;
1168	case TCP_V6_FLOW:
1169		if (cmd->data == L3_RSS_FLAGS)
1170			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1171		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1172			rss_flags |= RSS_ENABLE_IPV6 |
1173					RSS_ENABLE_TCP_IPV6;
1174		break;
1175	case UDP_V4_FLOW:
1176		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1177		    BEx_chip(adapter))
1178			return -EINVAL;
1179
1180		if (cmd->data == L3_RSS_FLAGS)
1181			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1182		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1183			rss_flags |= RSS_ENABLE_IPV4 |
1184					RSS_ENABLE_UDP_IPV4;
1185		break;
1186	case UDP_V6_FLOW:
1187		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1188		    BEx_chip(adapter))
1189			return -EINVAL;
1190
1191		if (cmd->data == L3_RSS_FLAGS)
1192			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1193		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1194			rss_flags |= RSS_ENABLE_IPV6 |
1195					RSS_ENABLE_UDP_IPV6;
1196		break;
1197	default:
1198		return -EINVAL;
1199	}
1200
1201	if (rss_flags == adapter->rss_info.rss_flags)
1202		return 0;
1203
1204	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1205				   rss_flags, RSS_INDIR_TABLE_LEN,
1206				   adapter->rss_info.rss_hkey);
1207	if (!status)
1208		adapter->rss_info.rss_flags = rss_flags;
1209
1210	return be_cmd_status(status);
1211}
1212
1213static void be_get_channels(struct net_device *netdev,
1214			    struct ethtool_channels *ch)
1215{
1216	struct be_adapter *adapter = netdev_priv(netdev);
1217	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1218
1219	/* num_tx_qs is always same as the number of irqs used for TX */
1220	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1221	ch->rx_count = num_rx_irqs - ch->combined_count;
1222	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1223
1224	ch->max_combined = be_max_qp_irqs(adapter);
1225	/* The user must create atleast one combined channel */
1226	ch->max_rx = be_max_rx_irqs(adapter) - 1;
1227	ch->max_tx = be_max_tx_irqs(adapter) - 1;
1228}
1229
1230static int be_set_channels(struct net_device  *netdev,
1231			   struct ethtool_channels *ch)
1232{
1233	struct be_adapter *adapter = netdev_priv(netdev);
1234	int status;
1235
1236	/* we support either only combined channels or a combination of
1237	 * combined and either RX-only or TX-only channels.
1238	 */
1239	if (ch->other_count || !ch->combined_count ||
1240	    (ch->rx_count && ch->tx_count))
1241		return -EINVAL;
1242
1243	if (ch->combined_count > be_max_qp_irqs(adapter) ||
1244	    (ch->rx_count &&
1245	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1246	    (ch->tx_count &&
1247	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1248		return -EINVAL;
1249
1250	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1251	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1252
1253	status = be_update_queues(adapter);
1254	return be_cmd_status(status);
1255}
1256
1257static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1258{
1259	return RSS_INDIR_TABLE_LEN;
1260}
1261
1262static u32 be_get_rxfh_key_size(struct net_device *netdev)
1263{
1264	return RSS_HASH_KEY_LEN;
1265}
1266
1267static int be_get_rxfh(struct net_device *netdev,
1268		       struct ethtool_rxfh_param *rxfh)
1269{
1270	struct be_adapter *adapter = netdev_priv(netdev);
1271	int i;
1272	struct rss_info *rss = &adapter->rss_info;
1273
1274	if (rxfh->indir) {
1275		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1276			rxfh->indir[i] = rss->rss_queue[i];
1277	}
1278
1279	if (rxfh->key)
1280		memcpy(rxfh->key, rss->rss_hkey, RSS_HASH_KEY_LEN);
1281
1282	rxfh->hfunc = ETH_RSS_HASH_TOP;
1283
1284	return 0;
1285}
1286
1287static int be_set_rxfh(struct net_device *netdev,
1288		       struct ethtool_rxfh_param *rxfh,
1289		       struct netlink_ext_ack *extack)
1290{
1291	int rc = 0, i, j;
1292	struct be_adapter *adapter = netdev_priv(netdev);
1293	u8 *hkey = rxfh->key;
1294	u8 rsstable[RSS_INDIR_TABLE_LEN];
1295
1296	/* We do not allow change in unsupported parameters */
1297	if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1298	    rxfh->hfunc != ETH_RSS_HASH_TOP)
1299		return -EOPNOTSUPP;
1300
1301	if (rxfh->indir) {
1302		struct be_rx_obj *rxo;
1303
1304		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1305			j = rxfh->indir[i];
1306			rxo = &adapter->rx_obj[j];
1307			rsstable[i] = rxo->rss_id;
1308			adapter->rss_info.rss_queue[i] = j;
1309		}
1310	} else {
1311		memcpy(rsstable, adapter->rss_info.rsstable,
1312		       RSS_INDIR_TABLE_LEN);
1313	}
1314
1315	if (!hkey)
1316		hkey =  adapter->rss_info.rss_hkey;
1317
1318	rc = be_cmd_rss_config(adapter, rsstable,
1319			       adapter->rss_info.rss_flags,
1320			       RSS_INDIR_TABLE_LEN, hkey);
1321	if (rc) {
1322		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1323		return -EIO;
1324	}
1325	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1326	memcpy(adapter->rss_info.rsstable, rsstable,
1327	       RSS_INDIR_TABLE_LEN);
1328	return 0;
1329}
1330
1331static int be_get_module_info(struct net_device *netdev,
1332			      struct ethtool_modinfo *modinfo)
1333{
1334	struct be_adapter *adapter = netdev_priv(netdev);
1335	u8 page_data[PAGE_DATA_LEN];
1336	int status;
1337
1338	if (!check_privilege(adapter, MAX_PRIVILEGES))
1339		return -EOPNOTSUPP;
1340
1341	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1342						   0, PAGE_DATA_LEN, page_data);
1343	if (!status) {
1344		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1345			modinfo->type = ETH_MODULE_SFF_8079;
1346			modinfo->eeprom_len = PAGE_DATA_LEN;
1347		} else {
1348			modinfo->type = ETH_MODULE_SFF_8472;
1349			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1350		}
1351	}
1352	return be_cmd_status(status);
1353}
1354
1355static int be_get_module_eeprom(struct net_device *netdev,
1356				struct ethtool_eeprom *eeprom, u8 *data)
1357{
1358	struct be_adapter *adapter = netdev_priv(netdev);
1359	int status;
1360	u32 begin, end;
1361
1362	if (!check_privilege(adapter, MAX_PRIVILEGES))
1363		return -EOPNOTSUPP;
1364
1365	begin = eeprom->offset;
1366	end = eeprom->offset + eeprom->len;
1367
1368	if (begin < PAGE_DATA_LEN) {
1369		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1370							   min_t(u32, end, PAGE_DATA_LEN) - begin,
1371							   data);
1372		if (status)
1373			goto err;
1374
1375		data += PAGE_DATA_LEN - begin;
1376		begin = PAGE_DATA_LEN;
1377	}
1378
1379	if (end > PAGE_DATA_LEN) {
1380		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1381							   begin - PAGE_DATA_LEN,
1382							   end - begin, data);
1383		if (status)
1384			goto err;
1385	}
1386err:
1387	return be_cmd_status(status);
1388}
1389
1390static u32 be_get_priv_flags(struct net_device *netdev)
1391{
1392	struct be_adapter *adapter = netdev_priv(netdev);
1393
1394	return adapter->priv_flags;
1395}
1396
1397static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1398{
1399	struct be_adapter *adapter = netdev_priv(netdev);
1400	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1401	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1402
1403	if (tpe_old != tpe_new) {
1404		if (tpe_new) {
1405			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1406			dev_info(&adapter->pdev->dev,
1407				 "HW error recovery is disabled\n");
1408		} else {
1409			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1410			dev_info(&adapter->pdev->dev,
1411				 "HW error recovery is enabled\n");
1412		}
1413	}
1414
1415	return 0;
1416}
1417
1418const struct ethtool_ops be_ethtool_ops = {
1419	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1420				     ETHTOOL_COALESCE_USE_ADAPTIVE |
1421				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1422	.get_drvinfo = be_get_drvinfo,
1423	.get_wol = be_get_wol,
1424	.set_wol = be_set_wol,
1425	.get_link = ethtool_op_get_link,
1426	.get_eeprom_len = be_get_eeprom_len,
1427	.get_eeprom = be_read_eeprom,
1428	.get_coalesce = be_get_coalesce,
1429	.set_coalesce = be_set_coalesce,
1430	.get_ringparam = be_get_ringparam,
1431	.get_pauseparam = be_get_pauseparam,
1432	.set_pauseparam = be_set_pauseparam,
1433	.set_priv_flags = be_set_priv_flags,
1434	.get_priv_flags = be_get_priv_flags,
1435	.get_strings = be_get_stat_strings,
1436	.set_phys_id = be_set_phys_id,
1437	.set_dump = be_set_dump,
1438	.get_msglevel = be_get_msg_level,
1439	.set_msglevel = be_set_msg_level,
1440	.get_sset_count = be_get_sset_count,
1441	.get_ethtool_stats = be_get_ethtool_stats,
1442	.flash_device = be_do_flash,
1443	.self_test = be_self_test,
1444	.get_rxnfc = be_get_rxnfc,
1445	.get_rxfh_fields = be_get_rxfh_fields,
1446	.set_rxfh_fields = be_set_rxfh_fields,
1447	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1448	.get_rxfh_key_size = be_get_rxfh_key_size,
1449	.get_rxfh = be_get_rxfh,
1450	.set_rxfh = be_set_rxfh,
1451	.get_dump_flag = be_get_dump_flag,
1452	.get_dump_data = be_get_dump_data,
1453	.get_channels = be_get_channels,
1454	.set_channels = be_set_channels,
1455	.get_module_info = be_get_module_info,
1456	.get_module_eeprom = be_get_module_eeprom,
1457	.get_link_ksettings = be_get_link_ksettings,
1458};
~/ Read-only file preview.