cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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be_ethtool.c (40054B)


      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	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
    224	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
    225		strlcpy(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	strlcpy(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_irq(&stats->sync);
    393			data[base] = stats->rx_bytes;
    394			data[base + 1] = stats->rx_pkts;
    395		} while (u64_stats_fetch_retry_irq(&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_irq(&stats->sync_compl);
    409			data[base] = stats->tx_compl;
    410		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
    411
    412		do {
    413			start = u64_stats_fetch_begin_irq(&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_irq(&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 u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
   1077{
   1078	u64 data = 0;
   1079
   1080	switch (flow_type) {
   1081	case TCP_V4_FLOW:
   1082		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
   1083			data |= RXH_IP_DST | RXH_IP_SRC;
   1084		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
   1085			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
   1086		break;
   1087	case UDP_V4_FLOW:
   1088		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
   1089			data |= RXH_IP_DST | RXH_IP_SRC;
   1090		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
   1091			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
   1092		break;
   1093	case TCP_V6_FLOW:
   1094		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
   1095			data |= RXH_IP_DST | RXH_IP_SRC;
   1096		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
   1097			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
   1098		break;
   1099	case UDP_V6_FLOW:
   1100		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
   1101			data |= RXH_IP_DST | RXH_IP_SRC;
   1102		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
   1103			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
   1104		break;
   1105	}
   1106
   1107	return data;
   1108}
   1109
   1110static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
   1111			u32 *rule_locs)
   1112{
   1113	struct be_adapter *adapter = netdev_priv(netdev);
   1114
   1115	if (!be_multi_rxq(adapter)) {
   1116		dev_info(&adapter->pdev->dev,
   1117			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
   1118		return -EINVAL;
   1119	}
   1120
   1121	switch (cmd->cmd) {
   1122	case ETHTOOL_GRXFH:
   1123		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
   1124		break;
   1125	case ETHTOOL_GRXRINGS:
   1126		cmd->data = adapter->num_rx_qs;
   1127		break;
   1128	default:
   1129		return -EINVAL;
   1130	}
   1131
   1132	return 0;
   1133}
   1134
   1135static int be_set_rss_hash_opts(struct be_adapter *adapter,
   1136				struct ethtool_rxnfc *cmd)
   1137{
   1138	int status;
   1139	u32 rss_flags = adapter->rss_info.rss_flags;
   1140
   1141	if (cmd->data != L3_RSS_FLAGS &&
   1142	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
   1143		return -EINVAL;
   1144
   1145	switch (cmd->flow_type) {
   1146	case TCP_V4_FLOW:
   1147		if (cmd->data == L3_RSS_FLAGS)
   1148			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
   1149		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
   1150			rss_flags |= RSS_ENABLE_IPV4 |
   1151					RSS_ENABLE_TCP_IPV4;
   1152		break;
   1153	case TCP_V6_FLOW:
   1154		if (cmd->data == L3_RSS_FLAGS)
   1155			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
   1156		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
   1157			rss_flags |= RSS_ENABLE_IPV6 |
   1158					RSS_ENABLE_TCP_IPV6;
   1159		break;
   1160	case UDP_V4_FLOW:
   1161		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
   1162		    BEx_chip(adapter))
   1163			return -EINVAL;
   1164
   1165		if (cmd->data == L3_RSS_FLAGS)
   1166			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
   1167		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
   1168			rss_flags |= RSS_ENABLE_IPV4 |
   1169					RSS_ENABLE_UDP_IPV4;
   1170		break;
   1171	case UDP_V6_FLOW:
   1172		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
   1173		    BEx_chip(adapter))
   1174			return -EINVAL;
   1175
   1176		if (cmd->data == L3_RSS_FLAGS)
   1177			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
   1178		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
   1179			rss_flags |= RSS_ENABLE_IPV6 |
   1180					RSS_ENABLE_UDP_IPV6;
   1181		break;
   1182	default:
   1183		return -EINVAL;
   1184	}
   1185
   1186	if (rss_flags == adapter->rss_info.rss_flags)
   1187		return 0;
   1188
   1189	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
   1190				   rss_flags, RSS_INDIR_TABLE_LEN,
   1191				   adapter->rss_info.rss_hkey);
   1192	if (!status)
   1193		adapter->rss_info.rss_flags = rss_flags;
   1194
   1195	return be_cmd_status(status);
   1196}
   1197
   1198static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
   1199{
   1200	struct be_adapter *adapter = netdev_priv(netdev);
   1201	int status = 0;
   1202
   1203	if (!be_multi_rxq(adapter)) {
   1204		dev_err(&adapter->pdev->dev,
   1205			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
   1206		return -EINVAL;
   1207	}
   1208
   1209	switch (cmd->cmd) {
   1210	case ETHTOOL_SRXFH:
   1211		status = be_set_rss_hash_opts(adapter, cmd);
   1212		break;
   1213	default:
   1214		return -EINVAL;
   1215	}
   1216
   1217	return status;
   1218}
   1219
   1220static void be_get_channels(struct net_device *netdev,
   1221			    struct ethtool_channels *ch)
   1222{
   1223	struct be_adapter *adapter = netdev_priv(netdev);
   1224	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
   1225
   1226	/* num_tx_qs is always same as the number of irqs used for TX */
   1227	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
   1228	ch->rx_count = num_rx_irqs - ch->combined_count;
   1229	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
   1230
   1231	ch->max_combined = be_max_qp_irqs(adapter);
   1232	/* The user must create atleast one combined channel */
   1233	ch->max_rx = be_max_rx_irqs(adapter) - 1;
   1234	ch->max_tx = be_max_tx_irqs(adapter) - 1;
   1235}
   1236
   1237static int be_set_channels(struct net_device  *netdev,
   1238			   struct ethtool_channels *ch)
   1239{
   1240	struct be_adapter *adapter = netdev_priv(netdev);
   1241	int status;
   1242
   1243	/* we support either only combined channels or a combination of
   1244	 * combined and either RX-only or TX-only channels.
   1245	 */
   1246	if (ch->other_count || !ch->combined_count ||
   1247	    (ch->rx_count && ch->tx_count))
   1248		return -EINVAL;
   1249
   1250	if (ch->combined_count > be_max_qp_irqs(adapter) ||
   1251	    (ch->rx_count &&
   1252	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
   1253	    (ch->tx_count &&
   1254	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
   1255		return -EINVAL;
   1256
   1257	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
   1258	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
   1259
   1260	status = be_update_queues(adapter);
   1261	return be_cmd_status(status);
   1262}
   1263
   1264static u32 be_get_rxfh_indir_size(struct net_device *netdev)
   1265{
   1266	return RSS_INDIR_TABLE_LEN;
   1267}
   1268
   1269static u32 be_get_rxfh_key_size(struct net_device *netdev)
   1270{
   1271	return RSS_HASH_KEY_LEN;
   1272}
   1273
   1274static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
   1275		       u8 *hfunc)
   1276{
   1277	struct be_adapter *adapter = netdev_priv(netdev);
   1278	int i;
   1279	struct rss_info *rss = &adapter->rss_info;
   1280
   1281	if (indir) {
   1282		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
   1283			indir[i] = rss->rss_queue[i];
   1284	}
   1285
   1286	if (hkey)
   1287		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
   1288
   1289	if (hfunc)
   1290		*hfunc = ETH_RSS_HASH_TOP;
   1291
   1292	return 0;
   1293}
   1294
   1295static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
   1296		       const u8 *hkey, const u8 hfunc)
   1297{
   1298	int rc = 0, i, j;
   1299	struct be_adapter *adapter = netdev_priv(netdev);
   1300	u8 rsstable[RSS_INDIR_TABLE_LEN];
   1301
   1302	/* We do not allow change in unsupported parameters */
   1303	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
   1304		return -EOPNOTSUPP;
   1305
   1306	if (indir) {
   1307		struct be_rx_obj *rxo;
   1308
   1309		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
   1310			j = indir[i];
   1311			rxo = &adapter->rx_obj[j];
   1312			rsstable[i] = rxo->rss_id;
   1313			adapter->rss_info.rss_queue[i] = j;
   1314		}
   1315	} else {
   1316		memcpy(rsstable, adapter->rss_info.rsstable,
   1317		       RSS_INDIR_TABLE_LEN);
   1318	}
   1319
   1320	if (!hkey)
   1321		hkey =  adapter->rss_info.rss_hkey;
   1322
   1323	rc = be_cmd_rss_config(adapter, rsstable,
   1324			       adapter->rss_info.rss_flags,
   1325			       RSS_INDIR_TABLE_LEN, hkey);
   1326	if (rc) {
   1327		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
   1328		return -EIO;
   1329	}
   1330	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
   1331	memcpy(adapter->rss_info.rsstable, rsstable,
   1332	       RSS_INDIR_TABLE_LEN);
   1333	return 0;
   1334}
   1335
   1336static int be_get_module_info(struct net_device *netdev,
   1337			      struct ethtool_modinfo *modinfo)
   1338{
   1339	struct be_adapter *adapter = netdev_priv(netdev);
   1340	u8 page_data[PAGE_DATA_LEN];
   1341	int status;
   1342
   1343	if (!check_privilege(adapter, MAX_PRIVILEGES))
   1344		return -EOPNOTSUPP;
   1345
   1346	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
   1347						   page_data);
   1348	if (!status) {
   1349		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
   1350			modinfo->type = ETH_MODULE_SFF_8079;
   1351			modinfo->eeprom_len = PAGE_DATA_LEN;
   1352		} else {
   1353			modinfo->type = ETH_MODULE_SFF_8472;
   1354			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
   1355		}
   1356	}
   1357	return be_cmd_status(status);
   1358}
   1359
   1360static int be_get_module_eeprom(struct net_device *netdev,
   1361				struct ethtool_eeprom *eeprom, u8 *data)
   1362{
   1363	struct be_adapter *adapter = netdev_priv(netdev);
   1364	int status;
   1365
   1366	if (!check_privilege(adapter, MAX_PRIVILEGES))
   1367		return -EOPNOTSUPP;
   1368
   1369	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
   1370						   data);
   1371	if (status)
   1372		goto err;
   1373
   1374	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
   1375		status = be_cmd_read_port_transceiver_data(adapter,
   1376							   TR_PAGE_A2,
   1377							   data +
   1378							   PAGE_DATA_LEN);
   1379		if (status)
   1380			goto err;
   1381	}
   1382	if (eeprom->offset)
   1383		memcpy(data, data + eeprom->offset, eeprom->len);
   1384err:
   1385	return be_cmd_status(status);
   1386}
   1387
   1388static u32 be_get_priv_flags(struct net_device *netdev)
   1389{
   1390	struct be_adapter *adapter = netdev_priv(netdev);
   1391
   1392	return adapter->priv_flags;
   1393}
   1394
   1395static int be_set_priv_flags(struct net_device *netdev, u32 flags)
   1396{
   1397	struct be_adapter *adapter = netdev_priv(netdev);
   1398	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
   1399	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
   1400
   1401	if (tpe_old != tpe_new) {
   1402		if (tpe_new) {
   1403			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
   1404			dev_info(&adapter->pdev->dev,
   1405				 "HW error recovery is disabled\n");
   1406		} else {
   1407			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
   1408			dev_info(&adapter->pdev->dev,
   1409				 "HW error recovery is enabled\n");
   1410		}
   1411	}
   1412
   1413	return 0;
   1414}
   1415
   1416const struct ethtool_ops be_ethtool_ops = {
   1417	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
   1418				     ETHTOOL_COALESCE_USE_ADAPTIVE |
   1419				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
   1420	.get_drvinfo = be_get_drvinfo,
   1421	.get_wol = be_get_wol,
   1422	.set_wol = be_set_wol,
   1423	.get_link = ethtool_op_get_link,
   1424	.get_eeprom_len = be_get_eeprom_len,
   1425	.get_eeprom = be_read_eeprom,
   1426	.get_coalesce = be_get_coalesce,
   1427	.set_coalesce = be_set_coalesce,
   1428	.get_ringparam = be_get_ringparam,
   1429	.get_pauseparam = be_get_pauseparam,
   1430	.set_pauseparam = be_set_pauseparam,
   1431	.set_priv_flags = be_set_priv_flags,
   1432	.get_priv_flags = be_get_priv_flags,
   1433	.get_strings = be_get_stat_strings,
   1434	.set_phys_id = be_set_phys_id,
   1435	.set_dump = be_set_dump,
   1436	.get_msglevel = be_get_msg_level,
   1437	.set_msglevel = be_set_msg_level,
   1438	.get_sset_count = be_get_sset_count,
   1439	.get_ethtool_stats = be_get_ethtool_stats,
   1440	.flash_device = be_do_flash,
   1441	.self_test = be_self_test,
   1442	.get_rxnfc = be_get_rxnfc,
   1443	.set_rxnfc = be_set_rxnfc,
   1444	.get_rxfh_indir_size = be_get_rxfh_indir_size,
   1445	.get_rxfh_key_size = be_get_rxfh_key_size,
   1446	.get_rxfh = be_get_rxfh,
   1447	.set_rxfh = be_set_rxfh,
   1448	.get_dump_flag = be_get_dump_flag,
   1449	.get_dump_data = be_get_dump_data,
   1450	.get_channels = be_get_channels,
   1451	.set_channels = be_set_channels,
   1452	.get_module_info = be_get_module_info,
   1453	.get_module_eeprom = be_get_module_eeprom,
   1454	.get_link_ksettings = be_get_link_ksettings,
   1455};