bnxt_ethtool.c 97.6 KB
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/* Broadcom NetXtreme-C/E network driver.
 *
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 * Copyright (c) 2014-2016 Broadcom Corporation
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 * Copyright (c) 2016-2017 Broadcom Limited
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

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#include <linux/ctype.h>
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#include <linux/stringify.h>
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#include <linux/ethtool.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
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#include <linux/utsname.h>
#include <linux/time.h>
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#include "bnxt_hsi.h"
#include "bnxt.h"
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#include "bnxt_xdp.h"
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#include "bnxt_ethtool.h"
#include "bnxt_nvm_defs.h"	/* NVRAM content constant and structure defs */
#include "bnxt_fw_hdr.h"	/* Firmware hdr constant and structure defs */
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#include "bnxt_coredump.h"
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#define FLASH_NVRAM_TIMEOUT	((HWRM_CMD_TIMEOUT) * 100)
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#define FLASH_PACKAGE_TIMEOUT	((HWRM_CMD_TIMEOUT) * 200)
#define INSTALL_PACKAGE_TIMEOUT	((HWRM_CMD_TIMEOUT) * 200)
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static u32 bnxt_get_msglevel(struct net_device *dev)
{
	struct bnxt *bp = netdev_priv(dev);

	return bp->msg_enable;
}

static void bnxt_set_msglevel(struct net_device *dev, u32 value)
{
	struct bnxt *bp = netdev_priv(dev);

	bp->msg_enable = value;
}

static int bnxt_get_coalesce(struct net_device *dev,
			     struct ethtool_coalesce *coal)
{
	struct bnxt *bp = netdev_priv(dev);
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	struct bnxt_coal *hw_coal;
	u16 mult;
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	memset(coal, 0, sizeof(*coal));

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	coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;

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	hw_coal = &bp->rx_coal;
	mult = hw_coal->bufs_per_record;
	coal->rx_coalesce_usecs = hw_coal->coal_ticks;
	coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
	coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
	coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
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	hw_coal = &bp->tx_coal;
	mult = hw_coal->bufs_per_record;
	coal->tx_coalesce_usecs = hw_coal->coal_ticks;
	coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
	coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
	coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
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	coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;

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	return 0;
}

static int bnxt_set_coalesce(struct net_device *dev,
			     struct ethtool_coalesce *coal)
{
	struct bnxt *bp = netdev_priv(dev);
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	bool update_stats = false;
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	struct bnxt_coal *hw_coal;
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	int rc = 0;
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	u16 mult;

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	if (coal->use_adaptive_rx_coalesce) {
		bp->flags |= BNXT_FLAG_DIM;
	} else {
		if (bp->flags & BNXT_FLAG_DIM) {
			bp->flags &= ~(BNXT_FLAG_DIM);
			goto reset_coalesce;
		}
	}

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	hw_coal = &bp->rx_coal;
	mult = hw_coal->bufs_per_record;
	hw_coal->coal_ticks = coal->rx_coalesce_usecs;
	hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
	hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
	hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;

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	hw_coal = &bp->tx_coal;
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	mult = hw_coal->bufs_per_record;
	hw_coal->coal_ticks = coal->tx_coalesce_usecs;
	hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
	hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
	hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
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	if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
		u32 stats_ticks = coal->stats_block_coalesce_usecs;

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		/* Allow 0, which means disable. */
		if (stats_ticks)
			stats_ticks = clamp_t(u32, stats_ticks,
					      BNXT_MIN_STATS_COAL_TICKS,
					      BNXT_MAX_STATS_COAL_TICKS);
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		stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
		bp->stats_coal_ticks = stats_ticks;
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		if (bp->stats_coal_ticks)
			bp->current_interval =
				bp->stats_coal_ticks * HZ / 1000000;
		else
			bp->current_interval = BNXT_TIMER_INTERVAL;
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		update_stats = true;
	}

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reset_coalesce:
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	if (netif_running(dev)) {
		if (update_stats) {
			rc = bnxt_close_nic(bp, true, false);
			if (!rc)
				rc = bnxt_open_nic(bp, true, false);
		} else {
			rc = bnxt_hwrm_set_coal(bp);
		}
	}
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	return rc;
}

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static const char * const bnxt_ring_rx_stats_str[] = {
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	"rx_ucast_packets",
	"rx_mcast_packets",
	"rx_bcast_packets",
	"rx_discards",
	"rx_drops",
	"rx_ucast_bytes",
	"rx_mcast_bytes",
	"rx_bcast_bytes",
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};

static const char * const bnxt_ring_tx_stats_str[] = {
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	"tx_ucast_packets",
	"tx_mcast_packets",
	"tx_bcast_packets",
	"tx_discards",
	"tx_drops",
	"tx_ucast_bytes",
	"tx_mcast_bytes",
	"tx_bcast_bytes",
};

static const char * const bnxt_ring_tpa_stats_str[] = {
	"tpa_packets",
	"tpa_bytes",
	"tpa_events",
	"tpa_aborts",
};

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static const char * const bnxt_ring_tpa2_stats_str[] = {
	"rx_tpa_eligible_pkt",
	"rx_tpa_eligible_bytes",
	"rx_tpa_pkt",
	"rx_tpa_bytes",
	"rx_tpa_errors",
};

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static const char * const bnxt_rx_sw_stats_str[] = {
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	"rx_l4_csum_errors",
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	"rx_buf_errors",
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};

static const char * const bnxt_cmn_sw_stats_str[] = {
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	"missed_irqs",
};
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#define BNXT_RX_STATS_ENTRY(counter)	\
	{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }

#define BNXT_TX_STATS_ENTRY(counter)	\
	{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }

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#define BNXT_RX_STATS_EXT_ENTRY(counter)	\
	{ BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }

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#define BNXT_TX_STATS_EXT_ENTRY(counter)	\
	{ BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }

#define BNXT_RX_STATS_EXT_PFC_ENTRY(n)				\
	BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),	\
	BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)

#define BNXT_TX_STATS_EXT_PFC_ENTRY(n)				\
	BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),	\
	BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)

#define BNXT_RX_STATS_EXT_PFC_ENTRIES				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(0),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(1),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(2),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(3),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(4),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(5),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(6),				\
	BNXT_RX_STATS_EXT_PFC_ENTRY(7)

#define BNXT_TX_STATS_EXT_PFC_ENTRIES				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(0),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(1),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(2),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(3),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(4),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(5),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(6),				\
	BNXT_TX_STATS_EXT_PFC_ENTRY(7)

#define BNXT_RX_STATS_EXT_COS_ENTRY(n)				\
	BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),		\
	BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)

#define BNXT_TX_STATS_EXT_COS_ENTRY(n)				\
	BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),		\
	BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)

#define BNXT_RX_STATS_EXT_COS_ENTRIES				\
	BNXT_RX_STATS_EXT_COS_ENTRY(0),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(1),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(2),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(3),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(4),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(5),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(6),				\
	BNXT_RX_STATS_EXT_COS_ENTRY(7)				\

#define BNXT_TX_STATS_EXT_COS_ENTRIES				\
	BNXT_TX_STATS_EXT_COS_ENTRY(0),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(1),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(2),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(3),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(4),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(5),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(6),				\
	BNXT_TX_STATS_EXT_COS_ENTRY(7)				\

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#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)			\
	BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),	\
	BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)

#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),				\
	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)

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#define BNXT_RX_STATS_PRI_ENTRY(counter, n)		\
	{ BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),	\
	  __stringify(counter##_pri##n) }

#define BNXT_TX_STATS_PRI_ENTRY(counter, n)		\
	{ BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),	\
	  __stringify(counter##_pri##n) }

#define BNXT_RX_STATS_PRI_ENTRIES(counter)		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 0),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 1),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 2),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 3),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 4),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 5),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 6),		\
	BNXT_RX_STATS_PRI_ENTRY(counter, 7)

#define BNXT_TX_STATS_PRI_ENTRIES(counter)		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 0),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 1),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 2),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 3),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 4),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 5),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 6),		\
	BNXT_TX_STATS_PRI_ENTRY(counter, 7)

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#define BNXT_PCIE_STATS_ENTRY(counter)	\
	{ BNXT_PCIE_STATS_OFFSET(counter), __stringify(counter) }

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enum {
	RX_TOTAL_DISCARDS,
	TX_TOTAL_DISCARDS,
};

static struct {
	u64			counter;
	char			string[ETH_GSTRING_LEN];
} bnxt_sw_func_stats[] = {
	{0, "rx_total_discard_pkts"},
	{0, "tx_total_discard_pkts"},
};

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#define NUM_RING_RX_SW_STATS		ARRAY_SIZE(bnxt_rx_sw_stats_str)
#define NUM_RING_CMN_SW_STATS		ARRAY_SIZE(bnxt_cmn_sw_stats_str)
#define NUM_RING_RX_HW_STATS		ARRAY_SIZE(bnxt_ring_rx_stats_str)
#define NUM_RING_TX_HW_STATS		ARRAY_SIZE(bnxt_ring_tx_stats_str)

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static const struct {
	long offset;
	char string[ETH_GSTRING_LEN];
} bnxt_port_stats_arr[] = {
	BNXT_RX_STATS_ENTRY(rx_64b_frames),
	BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
	BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
	BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
	BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
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	BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
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	BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
	BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
	BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
	BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
	BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
	BNXT_RX_STATS_ENTRY(rx_total_frames),
	BNXT_RX_STATS_ENTRY(rx_ucast_frames),
	BNXT_RX_STATS_ENTRY(rx_mcast_frames),
	BNXT_RX_STATS_ENTRY(rx_bcast_frames),
	BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
	BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
	BNXT_RX_STATS_ENTRY(rx_pause_frames),
	BNXT_RX_STATS_ENTRY(rx_pfc_frames),
	BNXT_RX_STATS_ENTRY(rx_align_err_frames),
	BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
	BNXT_RX_STATS_ENTRY(rx_jbr_frames),
	BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
	BNXT_RX_STATS_ENTRY(rx_tagged_frames),
	BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
	BNXT_RX_STATS_ENTRY(rx_good_frames),
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	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
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	BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
	BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
	BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
	BNXT_RX_STATS_ENTRY(rx_bytes),
	BNXT_RX_STATS_ENTRY(rx_runt_bytes),
	BNXT_RX_STATS_ENTRY(rx_runt_frames),
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	BNXT_RX_STATS_ENTRY(rx_stat_discard),
	BNXT_RX_STATS_ENTRY(rx_stat_err),
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	BNXT_TX_STATS_ENTRY(tx_64b_frames),
	BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
	BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
	BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
	BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
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	BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
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	BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
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	BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
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	BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
	BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
	BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
	BNXT_TX_STATS_ENTRY(tx_good_frames),
	BNXT_TX_STATS_ENTRY(tx_total_frames),
	BNXT_TX_STATS_ENTRY(tx_ucast_frames),
	BNXT_TX_STATS_ENTRY(tx_mcast_frames),
	BNXT_TX_STATS_ENTRY(tx_bcast_frames),
	BNXT_TX_STATS_ENTRY(tx_pause_frames),
	BNXT_TX_STATS_ENTRY(tx_pfc_frames),
	BNXT_TX_STATS_ENTRY(tx_jabber_frames),
	BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
	BNXT_TX_STATS_ENTRY(tx_err),
	BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
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	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
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	BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
	BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
	BNXT_TX_STATS_ENTRY(tx_total_collisions),
	BNXT_TX_STATS_ENTRY(tx_bytes),
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	BNXT_TX_STATS_ENTRY(tx_xthol_frames),
	BNXT_TX_STATS_ENTRY(tx_stat_discard),
	BNXT_TX_STATS_ENTRY(tx_stat_error),
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};

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static const struct {
	long offset;
	char string[ETH_GSTRING_LEN];
} bnxt_port_stats_ext_arr[] = {
	BNXT_RX_STATS_EXT_ENTRY(link_down_events),
	BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
	BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
	BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
	BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
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	BNXT_RX_STATS_EXT_COS_ENTRIES,
	BNXT_RX_STATS_EXT_PFC_ENTRIES,
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	BNXT_RX_STATS_EXT_ENTRY(rx_bits),
	BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
	BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
	BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
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	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
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};

static const struct {
	long offset;
	char string[ETH_GSTRING_LEN];
} bnxt_tx_port_stats_ext_arr[] = {
	BNXT_TX_STATS_EXT_COS_ENTRIES,
	BNXT_TX_STATS_EXT_PFC_ENTRIES,
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};

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static const struct {
	long base_off;
	char string[ETH_GSTRING_LEN];
} bnxt_rx_bytes_pri_arr[] = {
	BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
};

static const struct {
	long base_off;
	char string[ETH_GSTRING_LEN];
} bnxt_rx_pkts_pri_arr[] = {
	BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
};

static const struct {
	long base_off;
	char string[ETH_GSTRING_LEN];
} bnxt_tx_bytes_pri_arr[] = {
	BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
};

static const struct {
	long base_off;
	char string[ETH_GSTRING_LEN];
} bnxt_tx_pkts_pri_arr[] = {
	BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
};

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static const struct {
	long offset;
	char string[ETH_GSTRING_LEN];
} bnxt_pcie_stats_arr[] = {
	BNXT_PCIE_STATS_ENTRY(pcie_pl_signal_integrity),
	BNXT_PCIE_STATS_ENTRY(pcie_dl_signal_integrity),
	BNXT_PCIE_STATS_ENTRY(pcie_tl_signal_integrity),
	BNXT_PCIE_STATS_ENTRY(pcie_link_integrity),
	BNXT_PCIE_STATS_ENTRY(pcie_tx_traffic_rate),
	BNXT_PCIE_STATS_ENTRY(pcie_rx_traffic_rate),
	BNXT_PCIE_STATS_ENTRY(pcie_tx_dllp_statistics),
	BNXT_PCIE_STATS_ENTRY(pcie_rx_dllp_statistics),
	BNXT_PCIE_STATS_ENTRY(pcie_equalization_time),
	BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[0]),
	BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[2]),
	BNXT_PCIE_STATS_ENTRY(pcie_recovery_histogram),
};

475
#define BNXT_NUM_SW_FUNC_STATS	ARRAY_SIZE(bnxt_sw_func_stats)
476
#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
477 478 479 480 481
#define BNXT_NUM_STATS_PRI			\
	(ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +	\
	 ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +	\
	 ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +	\
	 ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
482
#define BNXT_NUM_PCIE_STATS ARRAY_SIZE(bnxt_pcie_stats_arr)
483

484 485 486 487 488 489 490 491 492 493
static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
{
	if (BNXT_SUPPORTS_TPA(bp)) {
		if (bp->max_tpa_v2)
			return ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
		return ARRAY_SIZE(bnxt_ring_tpa_stats_str);
	}
	return 0;
}

494 495
static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
496
	int rx, tx, cmn;
497

498 499 500 501 502
	rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
	     bnxt_get_num_tpa_ring_stats(bp);
	tx = NUM_RING_TX_HW_STATS;
	cmn = NUM_RING_CMN_SW_STATS;
	return (rx + tx + cmn) * bp->cp_nr_rings;
503 504
}

505 506
static int bnxt_get_num_stats(struct bnxt *bp)
{
507
	int num_stats = bnxt_get_num_ring_stats(bp);
508

509 510
	num_stats += BNXT_NUM_SW_FUNC_STATS;

511 512 513
	if (bp->flags & BNXT_FLAG_PORT_STATS)
		num_stats += BNXT_NUM_PORT_STATS;

514
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
515 516
		num_stats += bp->fw_rx_stats_ext_size +
			     bp->fw_tx_stats_ext_size;
517 518 519
		if (bp->pri2cos_valid)
			num_stats += BNXT_NUM_STATS_PRI;
	}
520

521 522 523
	if (bp->flags & BNXT_FLAG_PCIE_STATS)
		num_stats += BNXT_NUM_PCIE_STATS;

524 525 526
	return num_stats;
}

527 528 529 530 531
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
	struct bnxt *bp = netdev_priv(dev);

	switch (sset) {
532 533
	case ETH_SS_STATS:
		return bnxt_get_num_stats(bp);
534 535 536 537
	case ETH_SS_TEST:
		if (!bp->num_tests)
			return -EOPNOTSUPP;
		return bp->num_tests;
538 539 540 541 542 543 544 545 546 547
	default:
		return -EOPNOTSUPP;
	}
}

static void bnxt_get_ethtool_stats(struct net_device *dev,
				   struct ethtool_stats *stats, u64 *buf)
{
	u32 i, j = 0;
	struct bnxt *bp = netdev_priv(dev);
548
	u32 stat_fields = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
549
			  bnxt_get_num_tpa_ring_stats(bp);
550

551
	if (!bp->bnapi) {
552
		j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
553 554
		goto skip_ring_stats;
	}
555

556 557 558
	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
		bnxt_sw_func_stats[i].counter = 0;

559 560 561 562
	for (i = 0; i < bp->cp_nr_rings; i++) {
		struct bnxt_napi *bnapi = bp->bnapi[i];
		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
		__le64 *hw_stats = (__le64 *)cpr->hw_stats;
563
		u64 *sw;
564 565 566 567
		int k;

		for (k = 0; k < stat_fields; j++, k++)
			buf[j] = le64_to_cpu(hw_stats[k]);
568 569

		sw = (u64 *)&cpr->sw_stats.rx;
570
		for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
571 572 573
			buf[j] = sw[k];

		sw = (u64 *)&cpr->sw_stats.cmn;
574
		for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
575
			buf[j] = sw[k];
576 577 578 579 580

		bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
			le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
		bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
			le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
581
	}
582 583 584 585

	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
		buf[j] = bnxt_sw_func_stats[i].counter;

586
skip_ring_stats:
587 588 589 590 591 592 593 594
	if (bp->flags & BNXT_FLAG_PORT_STATS) {
		__le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;

		for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
			buf[j] = le64_to_cpu(*(port_stats +
					       bnxt_port_stats_arr[i].offset));
		}
	}
595
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
596 597
		__le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
		__le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
598

599 600
		for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
			buf[j] = le64_to_cpu(*(rx_port_stats_ext +
601 602
					    bnxt_port_stats_ext_arr[i].offset));
		}
603 604 605 606
		for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
			buf[j] = le64_to_cpu(*(tx_port_stats_ext +
					bnxt_tx_port_stats_ext_arr[i].offset));
		}
607 608 609
		if (bp->pri2cos_valid) {
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_bytes_pri_arr[i].base_off +
610
					 bp->pri2cos_idx[i];
611 612 613 614 615

				buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_pkts_pri_arr[i].base_off +
616
					 bp->pri2cos_idx[i];
617 618 619 620 621

				buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_bytes_pri_arr[i].base_off +
622
					 bp->pri2cos_idx[i];
623 624 625 626 627

				buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_pkts_pri_arr[i].base_off +
628
					 bp->pri2cos_idx[i];
629 630 631 632

				buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
			}
		}
633
	}
634 635 636 637 638 639 640 641
	if (bp->flags & BNXT_FLAG_PCIE_STATS) {
		__le64 *pcie_stats = (__le64 *)bp->hw_pcie_stats;

		for (i = 0; i < BNXT_NUM_PCIE_STATS; i++, j++) {
			buf[j] = le64_to_cpu(*(pcie_stats +
					       bnxt_pcie_stats_arr[i].offset));
		}
	}
642 643 644 645 646
}

static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
647
	static const char * const *str;
648
	u32 i, j, num_str;
649 650 651 652

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < bp->cp_nr_rings; i++) {
653
			num_str = NUM_RING_RX_HW_STATS;
654 655
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
656
					bnxt_ring_rx_stats_str[j]);
657 658
				buf += ETH_GSTRING_LEN;
			}
659 660 661 662 663 664 665 666
			num_str = NUM_RING_TX_HW_STATS;
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
					bnxt_ring_tx_stats_str[j]);
				buf += ETH_GSTRING_LEN;
			}
			num_str = bnxt_get_num_tpa_ring_stats(bp);
			if (!num_str)
667 668
				goto skip_tpa_stats;

669
			if (bp->max_tpa_v2)
670
				str = bnxt_ring_tpa2_stats_str;
671
			else
672
				str = bnxt_ring_tpa_stats_str;
673

674
			for (j = 0; j < num_str; j++) {
675
				sprintf(buf, "[%d]: %s", i, str[j]);
676 677 678
				buf += ETH_GSTRING_LEN;
			}
skip_tpa_stats:
679
			num_str = NUM_RING_RX_SW_STATS;
680 681 682 683 684
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
					bnxt_rx_sw_stats_str[j]);
				buf += ETH_GSTRING_LEN;
			}
685
			num_str = NUM_RING_CMN_SW_STATS;
686 687
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
688
					bnxt_cmn_sw_stats_str[j]);
689 690
				buf += ETH_GSTRING_LEN;
			}
691
		}
692 693 694 695 696
		for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
			strcpy(buf, bnxt_sw_func_stats[i].string);
			buf += ETH_GSTRING_LEN;
		}

697 698 699 700 701 702
		if (bp->flags & BNXT_FLAG_PORT_STATS) {
			for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
				strcpy(buf, bnxt_port_stats_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
		}
703
		if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
704
			for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
705 706 707
				strcpy(buf, bnxt_port_stats_ext_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
708 709 710 711 712
			for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
				strcpy(buf,
				       bnxt_tx_port_stats_ext_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734
			if (bp->pri2cos_valid) {
				for (i = 0; i < 8; i++) {
					strcpy(buf,
					       bnxt_rx_bytes_pri_arr[i].string);
					buf += ETH_GSTRING_LEN;
				}
				for (i = 0; i < 8; i++) {
					strcpy(buf,
					       bnxt_rx_pkts_pri_arr[i].string);
					buf += ETH_GSTRING_LEN;
				}
				for (i = 0; i < 8; i++) {
					strcpy(buf,
					       bnxt_tx_bytes_pri_arr[i].string);
					buf += ETH_GSTRING_LEN;
				}
				for (i = 0; i < 8; i++) {
					strcpy(buf,
					       bnxt_tx_pkts_pri_arr[i].string);
					buf += ETH_GSTRING_LEN;
				}
			}
735
		}
736 737 738 739 740 741
		if (bp->flags & BNXT_FLAG_PCIE_STATS) {
			for (i = 0; i < BNXT_NUM_PCIE_STATS; i++) {
				strcpy(buf, bnxt_pcie_stats_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
		}
742
		break;
743 744 745 746 747
	case ETH_SS_TEST:
		if (bp->num_tests)
			memcpy(buf, bp->test_info->string,
			       bp->num_tests * ETH_GSTRING_LEN);
		break;
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795
	default:
		netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
			   stringset);
		break;
	}
}

static void bnxt_get_ringparam(struct net_device *dev,
			       struct ethtool_ringparam *ering)
{
	struct bnxt *bp = netdev_priv(dev);

	ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
	ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
	ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_jumbo_pending = bp->rx_agg_ring_size;
	ering->tx_pending = bp->tx_ring_size;
}

static int bnxt_set_ringparam(struct net_device *dev,
			      struct ethtool_ringparam *ering)
{
	struct bnxt *bp = netdev_priv(dev);

	if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
	    (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
	    (ering->tx_pending <= MAX_SKB_FRAGS))
		return -EINVAL;

	if (netif_running(dev))
		bnxt_close_nic(bp, false, false);

	bp->rx_ring_size = ering->rx_pending;
	bp->tx_ring_size = ering->tx_pending;
	bnxt_set_ring_params(bp);

	if (netif_running(dev))
		return bnxt_open_nic(bp, false, false);

	return 0;
}

static void bnxt_get_channels(struct net_device *dev,
			      struct ethtool_channels *channel)
{
	struct bnxt *bp = netdev_priv(dev);
796
	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
797
	int max_rx_rings, max_tx_rings, tcs;
798 799 800
	int max_tx_sch_inputs;

	/* Get the most up-to-date max_tx_sch_inputs. */
801
	if (BNXT_NEW_RM(bp))
802 803
		bnxt_hwrm_func_resc_qcaps(bp, false);
	max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
804

805
	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
806 807
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
808
	channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
809

810 811 812 813
	if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
		max_rx_rings = 0;
		max_tx_rings = 0;
	}
814 815
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
816

817 818 819 820 821 822 823
	tcs = netdev_get_num_tc(dev);
	if (tcs > 1)
		max_tx_rings /= tcs;

	channel->max_rx = max_rx_rings;
	channel->max_tx = max_tx_rings;
	channel->max_other = 0;
824 825
	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
		channel->combined_count = bp->rx_nr_rings;
826 827
		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
			channel->combined_count--;
828
	} else {
829 830 831 832
		if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
			channel->rx_count = bp->rx_nr_rings;
			channel->tx_count = bp->tx_nr_rings_per_tc;
		}
833
	}
834 835 836 837 838 839
}

static int bnxt_set_channels(struct net_device *dev,
			     struct ethtool_channels *channel)
{
	struct bnxt *bp = netdev_priv(dev);
840
	int req_tx_rings, req_rx_rings, tcs;
841
	bool sh = false;
842
	int tx_xdp = 0;
843
	int rc = 0;
844

845
	if (channel->other_count)
846 847
		return -EINVAL;

848 849 850 851 852 853 854 855
	if (!channel->combined_count &&
	    (!channel->rx_count || !channel->tx_count))
		return -EINVAL;

	if (channel->combined_count &&
	    (channel->rx_count || channel->tx_count))
		return -EINVAL;

856 857 858 859
	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
					    channel->tx_count))
		return -EINVAL;

860 861 862
	if (channel->combined_count)
		sh = true;

863 864
	tcs = netdev_get_num_tc(dev);

865
	req_tx_rings = sh ? channel->combined_count : channel->tx_count;
866
	req_rx_rings = sh ? channel->combined_count : channel->rx_count;
867 868 869 870 871 872 873
	if (bp->tx_nr_rings_xdp) {
		if (!sh) {
			netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
			return -EINVAL;
		}
		tx_xdp = req_rx_rings;
	}
874
	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
875 876 877
	if (rc) {
		netdev_warn(dev, "Unable to allocate the requested rings\n");
		return rc;
878 879
	}

880 881 882 883 884 885 886 887 888 889 890 891 892 893
	if (netif_running(dev)) {
		if (BNXT_PF(bp)) {
			/* TODO CHIMP_FW: Send message to all VF's
			 * before PF unload
			 */
		}
		rc = bnxt_close_nic(bp, true, false);
		if (rc) {
			netdev_err(bp->dev, "Set channel failure rc :%x\n",
				   rc);
			return rc;
		}
	}

894 895
	if (sh) {
		bp->flags |= BNXT_FLAG_SHARED_RINGS;
896 897
		bp->rx_nr_rings = channel->combined_count;
		bp->tx_nr_rings_per_tc = channel->combined_count;
898 899 900 901 902
	} else {
		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
		bp->rx_nr_rings = channel->rx_count;
		bp->tx_nr_rings_per_tc = channel->tx_count;
	}
903 904
	bp->tx_nr_rings_xdp = tx_xdp;
	bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
905
	if (tcs > 1)
906
		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
907 908 909 910

	bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
			       bp->tx_nr_rings + bp->rx_nr_rings;

911 912
	/* After changing number of rx channels, update NTUPLE feature. */
	netdev_update_features(dev);
913 914 915 916 917 918 919
	if (netif_running(dev)) {
		rc = bnxt_open_nic(bp, true, false);
		if ((!rc) && BNXT_PF(bp)) {
			/* TODO CHIMP_FW: Send message to all VF's
			 * to renable
			 */
		}
920
	} else {
921
		rc = bnxt_reserve_rings(bp, true);
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960
	}

	return rc;
}

#ifdef CONFIG_RFS_ACCEL
static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
			    u32 *rule_locs)
{
	int i, j = 0;

	cmd->data = bp->ntp_fltr_count;
	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
		struct hlist_head *head;
		struct bnxt_ntuple_filter *fltr;

		head = &bp->ntp_fltr_hash_tbl[i];
		rcu_read_lock();
		hlist_for_each_entry_rcu(fltr, head, hash) {
			if (j == cmd->rule_cnt)
				break;
			rule_locs[j++] = fltr->sw_id;
		}
		rcu_read_unlock();
		if (j == cmd->rule_cnt)
			break;
	}
	cmd->rule_cnt = j;
	return 0;
}

static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
	struct ethtool_rx_flow_spec *fs =
		(struct ethtool_rx_flow_spec *)&cmd->fs;
	struct bnxt_ntuple_filter *fltr;
	struct flow_keys *fkeys;
	int i, rc = -EINVAL;

961
	if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
		return rc;

	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
		struct hlist_head *head;

		head = &bp->ntp_fltr_hash_tbl[i];
		rcu_read_lock();
		hlist_for_each_entry_rcu(fltr, head, hash) {
			if (fltr->sw_id == fs->location)
				goto fltr_found;
		}
		rcu_read_unlock();
	}
	return rc;

fltr_found:
	fkeys = &fltr->fkeys;
979 980 981 982 983 984 985
	if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
		if (fkeys->basic.ip_proto == IPPROTO_TCP)
			fs->flow_type = TCP_V4_FLOW;
		else if (fkeys->basic.ip_proto == IPPROTO_UDP)
			fs->flow_type = UDP_V4_FLOW;
		else
			goto fltr_err;
986

987 988
		fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
		fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
989

990 991
		fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
		fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
992

993 994
		fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
		fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
995

996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021
		fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
		fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
	} else {
		int i;

		if (fkeys->basic.ip_proto == IPPROTO_TCP)
			fs->flow_type = TCP_V6_FLOW;
		else if (fkeys->basic.ip_proto == IPPROTO_UDP)
			fs->flow_type = UDP_V6_FLOW;
		else
			goto fltr_err;

		*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
			fkeys->addrs.v6addrs.src;
		*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
			fkeys->addrs.v6addrs.dst;
		for (i = 0; i < 4; i++) {
			fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
			fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
		}
		fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
		fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);

		fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
		fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
	}
1022 1023 1024 1025 1026 1027 1028 1029 1030

	fs->ring_cookie = fltr->rxq;
	rc = 0;

fltr_err:
	rcu_read_unlock();

	return rc;
}
1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170
#endif

static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
{
	if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
		return RXH_IP_SRC | RXH_IP_DST;
	return 0;
}

static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
{
	if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
		return RXH_IP_SRC | RXH_IP_DST;
	return 0;
}

static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
	cmd->data = 0;
	switch (cmd->flow_type) {
	case TCP_V4_FLOW:
		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
		cmd->data |= get_ethtool_ipv4_rss(bp);
		break;
	case UDP_V4_FLOW:
		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
		/* fall through */
	case SCTP_V4_FLOW:
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case IPV4_FLOW:
		cmd->data |= get_ethtool_ipv4_rss(bp);
		break;

	case TCP_V6_FLOW:
		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
		cmd->data |= get_ethtool_ipv6_rss(bp);
		break;
	case UDP_V6_FLOW:
		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
		/* fall through */
	case SCTP_V6_FLOW:
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case IPV6_FLOW:
		cmd->data |= get_ethtool_ipv6_rss(bp);
		break;
	}
	return 0;
}

#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)

static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
	u32 rss_hash_cfg = bp->rss_hash_cfg;
	int tuple, rc = 0;

	if (cmd->data == RXH_4TUPLE)
		tuple = 4;
	else if (cmd->data == RXH_2TUPLE)
		tuple = 2;
	else if (!cmd->data)
		tuple = 0;
	else
		return -EINVAL;

	if (cmd->flow_type == TCP_V4_FLOW) {
		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
		if (tuple == 4)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
	} else if (cmd->flow_type == UDP_V4_FLOW) {
		if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
			return -EINVAL;
		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
		if (tuple == 4)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
	} else if (cmd->flow_type == TCP_V6_FLOW) {
		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
		if (tuple == 4)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
	} else if (cmd->flow_type == UDP_V6_FLOW) {
		if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
			return -EINVAL;
		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
		if (tuple == 4)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
	} else if (tuple == 4) {
		return -EINVAL;
	}

	switch (cmd->flow_type) {
	case TCP_V4_FLOW:
	case UDP_V4_FLOW:
	case SCTP_V4_FLOW:
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case IPV4_FLOW:
		if (tuple == 2)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
		else if (!tuple)
			rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
		break;

	case TCP_V6_FLOW:
	case UDP_V6_FLOW:
	case SCTP_V6_FLOW:
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case IPV6_FLOW:
		if (tuple == 2)
			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
		else if (!tuple)
			rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
		break;
	}

	if (bp->rss_hash_cfg == rss_hash_cfg)
		return 0;

	bp->rss_hash_cfg = rss_hash_cfg;
	if (netif_running(bp->dev)) {
		bnxt_close_nic(bp, false, false);
		rc = bnxt_open_nic(bp, false, false);
	}
	return rc;
}
1171 1172 1173 1174 1175 1176 1177 1178

static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
			  u32 *rule_locs)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc = 0;

	switch (cmd->cmd) {
1179
#ifdef CONFIG_RFS_ACCEL
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195
	case ETHTOOL_GRXRINGS:
		cmd->data = bp->rx_nr_rings;
		break;

	case ETHTOOL_GRXCLSRLCNT:
		cmd->rule_cnt = bp->ntp_fltr_count;
		cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
		break;

	case ETHTOOL_GRXCLSRLALL:
		rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
		break;

	case ETHTOOL_GRXCLSRULE:
		rc = bnxt_grxclsrule(bp, cmd);
		break;
1196 1197 1198 1199 1200
#endif

	case ETHTOOL_GRXFH:
		rc = bnxt_grxfh(bp, cmd);
		break;
1201 1202 1203 1204 1205 1206 1207 1208

	default:
		rc = -EOPNOTSUPP;
		break;
	}

	return rc;
}
1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225

static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
		rc = bnxt_srxfh(bp, cmd);
		break;

	default:
		rc = -EOPNOTSUPP;
		break;
	}
	return rc;
}
1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240

static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
{
	return HW_HASH_INDEX_SIZE;
}

static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
{
	return HW_HASH_KEY_SIZE;
}

static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
			 u8 *hfunc)
{
	struct bnxt *bp = netdev_priv(dev);
1241
	struct bnxt_vnic_info *vnic;
1242 1243 1244 1245 1246
	int i = 0;

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

1247 1248 1249 1250 1251
	if (!bp->vnic_info)
		return 0;

	vnic = &bp->vnic_info[0];
	if (indir && vnic->rss_table) {
1252 1253
		for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
			indir[i] = le16_to_cpu(vnic->rss_table[i]);
1254
	}
1255

1256
	if (key && vnic->rss_hash_key)
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);

	return 0;
}

static void bnxt_get_drvinfo(struct net_device *dev,
			     struct ethtool_drvinfo *info)
{
	struct bnxt *bp = netdev_priv(dev);

	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1268
	strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1269
	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1270
	info->n_stats = bnxt_get_num_stats(bp);
1271
	info->testinfo_len = bp->num_tests;
1272 1273 1274 1275 1276 1277
	/* TODO CHIMP_FW: eeprom dump details */
	info->eedump_len = 0;
	/* TODO CHIMP FW: reg dump details */
	info->regdump_len = 0;
}

1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291
static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnxt *bp = netdev_priv(dev);

	wol->supported = 0;
	wol->wolopts = 0;
	memset(&wol->sopass, 0, sizeof(wol->sopass));
	if (bp->flags & BNXT_FLAG_WOL_CAP) {
		wol->supported = WAKE_MAGIC;
		if (bp->wol)
			wol->wolopts = WAKE_MAGIC;
	}
}

1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnxt *bp = netdev_priv(dev);

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

	if (wol->wolopts & WAKE_MAGIC) {
		if (!(bp->flags & BNXT_FLAG_WOL_CAP))
			return -EINVAL;
		if (!bp->wol) {
			if (bnxt_hwrm_alloc_wol_fltr(bp))
				return -EBUSY;
			bp->wol = 1;
		}
	} else {
		if (bp->wol) {
			if (bnxt_hwrm_free_wol_fltr(bp))
				return -EBUSY;
			bp->wol = 0;
		}
	}
	return 0;
}

1317
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331
{
	u32 speed_mask = 0;

	/* TODO: support 25GB, 40GB, 50GB with different cable type */
	/* set the advertised speeds */
	if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
		speed_mask |= ADVERTISED_100baseT_Full;
	if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
		speed_mask |= ADVERTISED_1000baseT_Full;
	if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
		speed_mask |= ADVERTISED_2500baseX_Full;
	if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
		speed_mask |= ADVERTISED_10000baseT_Full;
	if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1332
		speed_mask |= ADVERTISED_40000baseCR4_Full;
1333 1334 1335 1336 1337 1338 1339 1340

	if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
		speed_mask |= ADVERTISED_Pause;
	else if (fw_pause & BNXT_LINK_PAUSE_TX)
		speed_mask |= ADVERTISED_Asym_Pause;
	else if (fw_pause & BNXT_LINK_PAUSE_RX)
		speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;

1341 1342 1343
	return speed_mask;
}

1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363
#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
{									\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100baseT_Full);	\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     1000baseT_Full);	\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     10000baseT_Full);	\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     25000baseCR_Full);	\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     40000baseCR4_Full);\
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     50000baseCR2_Full);\
1364 1365 1366
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100000baseCR4_Full);\
1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402
	if ((fw_pause) & BNXT_LINK_PAUSE_RX) {				\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     Pause);		\
		if (!((fw_pause) & BNXT_LINK_PAUSE_TX))			\
			ethtool_link_ksettings_add_link_mode(		\
					lk_ksettings, name, Asym_Pause);\
	} else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     Asym_Pause);	\
	}								\
}

#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)		\
{									\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100baseT_Full) ||	\
	    ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100baseT_Half))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  1000baseT_Full) ||	\
	    ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  1000baseT_Half))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;			\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  10000baseT_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  25000baseCR_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  40000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  50000baseCR2_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;		\
1403 1404 1405
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;		\
1406 1407 1408 1409
}

static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1410
{
1411
	u16 fw_speeds = link_info->advertising;
1412 1413 1414 1415 1416
	u8 fw_pause = 0;

	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
		fw_pause = link_info->auto_pause_setting;

1417
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1418 1419
}

1420 1421
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1422 1423 1424 1425 1426 1427 1428
{
	u16 fw_speeds = link_info->lp_auto_link_speeds;
	u8 fw_pause = 0;

	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
		fw_pause = link_info->lp_pause;

1429 1430
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
				lp_advertising);
1431 1432
}

1433 1434
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1435 1436 1437
{
	u16 fw_speeds = link_info->support_speeds;

1438
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1439

1440 1441 1442
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
					     Asym_Pause);
1443

1444 1445 1446
	if (link_info->support_auto_speeds)
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     Autoneg);
1447 1448
}

1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467
u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
{
	switch (fw_link_speed) {
	case BNXT_LINK_SPEED_100MB:
		return SPEED_100;
	case BNXT_LINK_SPEED_1GB:
		return SPEED_1000;
	case BNXT_LINK_SPEED_2_5GB:
		return SPEED_2500;
	case BNXT_LINK_SPEED_10GB:
		return SPEED_10000;
	case BNXT_LINK_SPEED_20GB:
		return SPEED_20000;
	case BNXT_LINK_SPEED_25GB:
		return SPEED_25000;
	case BNXT_LINK_SPEED_40GB:
		return SPEED_40000;
	case BNXT_LINK_SPEED_50GB:
		return SPEED_50000;
1468 1469
	case BNXT_LINK_SPEED_100GB:
		return SPEED_100000;
1470 1471 1472 1473 1474
	default:
		return SPEED_UNKNOWN;
	}
}

1475 1476
static int bnxt_get_link_ksettings(struct net_device *dev,
				   struct ethtool_link_ksettings *lk_ksettings)
1477 1478 1479
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1480 1481
	struct ethtool_link_settings *base = &lk_ksettings->base;
	u32 ethtool_speed;
1482

1483
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1484
	mutex_lock(&bp->link_lock);
1485
	bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1486

1487
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1488
	if (link_info->autoneg) {
1489 1490 1491 1492
		bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
		ethtool_link_ksettings_add_link_mode(lk_ksettings,
						     advertising, Autoneg);
		base->autoneg = AUTONEG_ENABLE;
1493 1494
		base->duplex = DUPLEX_UNKNOWN;
		if (link_info->phy_link_status == BNXT_LINK_LINK) {
1495
			bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1496 1497 1498 1499 1500
			if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
				base->duplex = DUPLEX_FULL;
			else
				base->duplex = DUPLEX_HALF;
		}
1501
		ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1502
	} else {
1503
		base->autoneg = AUTONEG_DISABLE;
1504 1505
		ethtool_speed =
			bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1506
		base->duplex = DUPLEX_HALF;
1507
		if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1508
			base->duplex = DUPLEX_FULL;
1509
	}
1510
	base->speed = ethtool_speed;
1511

1512
	base->port = PORT_NONE;
1513
	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1514 1515 1516 1517 1518
		base->port = PORT_TP;
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     TP);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     TP);
1519
	} else {
1520 1521 1522 1523
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     FIBRE);
1524 1525

		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1526
			base->port = PORT_DA;
1527 1528
		else if (link_info->media_type ==
			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1529
			base->port = PORT_FIBRE;
1530
	}
1531
	base->phy_address = link_info->phy_addr;
1532
	mutex_unlock(&bp->link_lock);
1533 1534 1535 1536

	return 0;
}

1537
static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1538
{
1539 1540 1541 1542 1543
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
	u16 support_spds = link_info->support_speeds;
	u32 fw_speed = 0;

1544 1545
	switch (ethtool_speed) {
	case SPEED_100:
1546 1547 1548
		if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
		break;
1549
	case SPEED_1000:
1550 1551 1552
		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
		break;
1553
	case SPEED_2500:
1554 1555 1556
		if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
		break;
1557
	case SPEED_10000:
1558 1559 1560
		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
		break;
1561
	case SPEED_20000:
1562 1563 1564
		if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
		break;
1565
	case SPEED_25000:
1566 1567 1568
		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
		break;
1569
	case SPEED_40000:
1570 1571 1572
		if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
		break;
1573
	case SPEED_50000:
1574 1575 1576
		if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
		break;
1577 1578 1579 1580
	case SPEED_100000:
		if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
		break;
1581 1582 1583 1584
	default:
		netdev_err(dev, "unsupported speed!\n");
		break;
	}
1585
	return fw_speed;
1586 1587
}

1588
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
{
	u16 fw_speed_mask = 0;

	/* only support autoneg at speed 100, 1000, and 10000 */
	if (advertising & (ADVERTISED_100baseT_Full |
			   ADVERTISED_100baseT_Half)) {
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
	}
	if (advertising & (ADVERTISED_1000baseT_Full |
			   ADVERTISED_1000baseT_Half)) {
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
	}
	if (advertising & ADVERTISED_10000baseT_Full)
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;

1604 1605 1606
	if (advertising & ADVERTISED_40000baseCR4_Full)
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;

1607 1608 1609
	return fw_speed_mask;
}

1610 1611
static int bnxt_set_link_ksettings(struct net_device *dev,
			   const struct ethtool_link_ksettings *lk_ksettings)
1612 1613 1614
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1615
	const struct ethtool_link_settings *base = &lk_ksettings->base;
1616
	bool set_pause = false;
1617 1618
	u16 fw_advertising = 0;
	u32 speed;
1619
	int rc = 0;
1620

1621
	if (!BNXT_PHY_CFG_ABLE(bp))
1622
		return -EOPNOTSUPP;
1623

1624
	mutex_lock(&bp->link_lock);
1625 1626 1627
	if (base->autoneg == AUTONEG_ENABLE) {
		BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
					advertising);
1628 1629
		link_info->autoneg |= BNXT_AUTONEG_SPEED;
		if (!fw_advertising)
1630
			link_info->advertising = link_info->support_auto_speeds;
1631 1632 1633 1634 1635 1636 1637
		else
			link_info->advertising = fw_advertising;
		/* any change to autoneg will cause link change, therefore the
		 * driver should put back the original pause setting in autoneg
		 */
		set_pause = true;
	} else {
1638
		u16 fw_speed;
1639
		u8 phy_type = link_info->phy_type;
1640

1641 1642 1643 1644 1645 1646 1647
		if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
		    phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
		    link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
			netdev_err(dev, "10GBase-T devices must autoneg\n");
			rc = -EINVAL;
			goto set_setting_exit;
		}
1648
		if (base->duplex == DUPLEX_HALF) {
1649 1650 1651 1652
			netdev_err(dev, "HALF DUPLEX is not supported!\n");
			rc = -EINVAL;
			goto set_setting_exit;
		}
1653
		speed = base->speed;
1654 1655 1656 1657 1658 1659
		fw_speed = bnxt_get_fw_speed(dev, speed);
		if (!fw_speed) {
			rc = -EINVAL;
			goto set_setting_exit;
		}
		link_info->req_link_speed = fw_speed;
1660
		link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1661
		link_info->autoneg = 0;
1662 1663 1664 1665
		link_info->advertising = 0;
	}

	if (netif_running(dev))
1666
		rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1667 1668

set_setting_exit:
1669
	mutex_unlock(&bp->link_lock);
1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680
	return rc;
}

static void bnxt_get_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *epause)
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;

	if (BNXT_VF(bp))
		return;
1681
	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1682 1683
	epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1684 1685 1686 1687 1688 1689 1690 1691 1692
}

static int bnxt_set_pauseparam(struct net_device *dev,
			       struct ethtool_pauseparam *epause)
{
	int rc = 0;
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;

1693
	if (!BNXT_PHY_CFG_ABLE(bp))
1694
		return -EOPNOTSUPP;
1695 1696

	if (epause->autoneg) {
1697 1698 1699
		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
			return -EINVAL;

1700
		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1701 1702 1703
		if (bp->hwrm_spec_code >= 0x10201)
			link_info->req_flow_ctrl =
				PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1704 1705 1706 1707 1708 1709 1710
	} else {
		/* when transition from auto pause to force pause,
		 * force a link change
		 */
		if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
			link_info->force_link_chng = true;
		link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1711
		link_info->req_flow_ctrl = 0;
1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731
	}
	if (epause->rx_pause)
		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;

	if (epause->tx_pause)
		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;

	if (netif_running(dev))
		rc = bnxt_hwrm_set_pause(bp);
	return rc;
}

static u32 bnxt_get_link(struct net_device *dev)
{
	struct bnxt *bp = netdev_priv(dev);

	/* TODO: handle MF, VF, driver close case */
	return bp->link_info.link_up;
}

1732 1733 1734 1735 1736
static void bnxt_print_admin_err(struct bnxt *bp)
{
	netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
}

1737 1738 1739 1740
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
				u16 ext, u16 *index, u32 *item_length,
				u32 *data_length);

1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775
static int bnxt_flash_nvram(struct net_device *dev,
			    u16 dir_type,
			    u16 dir_ordinal,
			    u16 dir_ext,
			    u16 dir_attr,
			    const u8 *data,
			    size_t data_len)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;
	struct hwrm_nvm_write_input req = {0};
	dma_addr_t dma_handle;
	u8 *kmem;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);

	req.dir_type = cpu_to_le16(dir_type);
	req.dir_ordinal = cpu_to_le16(dir_ordinal);
	req.dir_ext = cpu_to_le16(dir_ext);
	req.dir_attr = cpu_to_le16(dir_attr);
	req.dir_data_length = cpu_to_le32(data_len);

	kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
				  GFP_KERNEL);
	if (!kmem) {
		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
			   (unsigned)data_len);
		return -ENOMEM;
	}
	memcpy(kmem, data, data_len);
	req.host_src_addr = cpu_to_le64(dma_handle);

	rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
	dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);

1776
	if (rc == -EACCES)
1777
		bnxt_print_admin_err(bp);
1778 1779 1780
	return rc;
}

1781 1782
static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
				    u8 self_reset, u8 flags)
1783 1784
{
	struct hwrm_fw_reset_input req = {0};
1785 1786
	struct bnxt *bp = netdev_priv(dev);
	int rc;
1787 1788 1789

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);

1790 1791 1792 1793
	req.embedded_proc_type = proc_type;
	req.selfrst_status = self_reset;
	req.flags = flags;

1794 1795 1796 1797 1798 1799 1800 1801
	if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
		rc = hwrm_send_message_silent(bp, &req, sizeof(req),
					      HWRM_CMD_TIMEOUT);
	} else {
		rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
		if (rc == -EACCES)
			bnxt_print_admin_err(bp);
	}
1802 1803 1804
	return rc;
}

1805 1806
static int bnxt_firmware_reset(struct net_device *dev,
			       enum bnxt_nvm_directory_type dir_type)
1807 1808 1809 1810
{
	u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
	u8 proc_type, flags = 0;

1811 1812 1813 1814 1815 1816
	/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
	/*       (e.g. when firmware isn't already running) */
	switch (dir_type) {
	case BNX_DIR_TYPE_CHIMP_PATCH:
	case BNX_DIR_TYPE_BOOTCODE:
	case BNX_DIR_TYPE_BOOTCODE_2:
1817
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1818
		/* Self-reset ChiMP upon next PCIe reset: */
1819
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1820 1821 1822
		break;
	case BNX_DIR_TYPE_APE_FW:
	case BNX_DIR_TYPE_APE_PATCH:
1823
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1824
		/* Self-reset APE upon next PCIe reset: */
1825
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1826 1827 1828
		break;
	case BNX_DIR_TYPE_KONG_FW:
	case BNX_DIR_TYPE_KONG_PATCH:
1829
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1830 1831 1832
		break;
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
1833
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1834 1835 1836 1837 1838
		break;
	default:
		return -EINVAL;
	}

1839
	return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
1840 1841
}

1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862
static int bnxt_firmware_reset_chip(struct net_device *dev)
{
	struct bnxt *bp = netdev_priv(dev);
	u8 flags = 0;

	if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
		flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;

	return bnxt_hwrm_firmware_reset(dev,
					FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
					FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
					flags);
}

static int bnxt_firmware_reset_ap(struct net_device *dev)
{
	return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
					FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
					0);
}

1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878
static int bnxt_flash_firmware(struct net_device *dev,
			       u16 dir_type,
			       const u8 *fw_data,
			       size_t fw_size)
{
	int	rc = 0;
	u16	code_type;
	u32	stored_crc;
	u32	calculated_crc;
	struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;

	switch (dir_type) {
	case BNX_DIR_TYPE_BOOTCODE:
	case BNX_DIR_TYPE_BOOTCODE_2:
		code_type = CODE_BOOT;
		break;
1879 1880 1881
	case BNX_DIR_TYPE_CHIMP_PATCH:
		code_type = CODE_CHIMP_PATCH;
		break;
1882 1883 1884
	case BNX_DIR_TYPE_APE_FW:
		code_type = CODE_MCTP_PASSTHRU;
		break;
1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899
	case BNX_DIR_TYPE_APE_PATCH:
		code_type = CODE_APE_PATCH;
		break;
	case BNX_DIR_TYPE_KONG_FW:
		code_type = CODE_KONG_FW;
		break;
	case BNX_DIR_TYPE_KONG_PATCH:
		code_type = CODE_KONG_PATCH;
		break;
	case BNX_DIR_TYPE_BONO_FW:
		code_type = CODE_BONO_FW;
		break;
	case BNX_DIR_TYPE_BONO_PATCH:
		code_type = CODE_BONO_PATCH;
		break;
1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936
	default:
		netdev_err(dev, "Unsupported directory entry type: %u\n",
			   dir_type);
		return -EINVAL;
	}
	if (fw_size < sizeof(struct bnxt_fw_header)) {
		netdev_err(dev, "Invalid firmware file size: %u\n",
			   (unsigned int)fw_size);
		return -EINVAL;
	}
	if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
		netdev_err(dev, "Invalid firmware signature: %08X\n",
			   le32_to_cpu(header->signature));
		return -EINVAL;
	}
	if (header->code_type != code_type) {
		netdev_err(dev, "Expected firmware type: %d, read: %d\n",
			   code_type, header->code_type);
		return -EINVAL;
	}
	if (header->device != DEVICE_CUMULUS_FAMILY) {
		netdev_err(dev, "Expected firmware device family %d, read: %d\n",
			   DEVICE_CUMULUS_FAMILY, header->device);
		return -EINVAL;
	}
	/* Confirm the CRC32 checksum of the file: */
	stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
					     sizeof(stored_crc)));
	calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
	if (calculated_crc != stored_crc) {
		netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
			   (unsigned long)stored_crc,
			   (unsigned long)calculated_crc);
		return -EINVAL;
	}
	rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
			      0, 0, fw_data, fw_size);
1937 1938 1939
	if (rc == 0)	/* Firmware update successful */
		rc = bnxt_firmware_reset(dev, dir_type);

1940 1941 1942
	return rc;
}

1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993
static int bnxt_flash_microcode(struct net_device *dev,
				u16 dir_type,
				const u8 *fw_data,
				size_t fw_size)
{
	struct bnxt_ucode_trailer *trailer;
	u32 calculated_crc;
	u32 stored_crc;
	int rc = 0;

	if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
		netdev_err(dev, "Invalid microcode file size: %u\n",
			   (unsigned int)fw_size);
		return -EINVAL;
	}
	trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
						sizeof(*trailer)));
	if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
		netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
			   le32_to_cpu(trailer->sig));
		return -EINVAL;
	}
	if (le16_to_cpu(trailer->dir_type) != dir_type) {
		netdev_err(dev, "Expected microcode type: %d, read: %d\n",
			   dir_type, le16_to_cpu(trailer->dir_type));
		return -EINVAL;
	}
	if (le16_to_cpu(trailer->trailer_length) <
		sizeof(struct bnxt_ucode_trailer)) {
		netdev_err(dev, "Invalid microcode trailer length: %d\n",
			   le16_to_cpu(trailer->trailer_length));
		return -EINVAL;
	}

	/* Confirm the CRC32 checksum of the file: */
	stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
					     sizeof(stored_crc)));
	calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
	if (calculated_crc != stored_crc) {
		netdev_err(dev,
			   "CRC32 (%08lX) does not match calculated: %08lX\n",
			   (unsigned long)stored_crc,
			   (unsigned long)calculated_crc);
		return -EINVAL;
	}
	rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
			      0, 0, fw_data, fw_size);

	return rc;
}

1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
{
	switch (dir_type) {
	case BNX_DIR_TYPE_CHIMP_PATCH:
	case BNX_DIR_TYPE_BOOTCODE:
	case BNX_DIR_TYPE_BOOTCODE_2:
	case BNX_DIR_TYPE_APE_FW:
	case BNX_DIR_TYPE_APE_PATCH:
	case BNX_DIR_TYPE_KONG_FW:
	case BNX_DIR_TYPE_KONG_PATCH:
2004 2005
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
2006 2007 2008 2009 2010 2011
		return true;
	}

	return false;
}

2012
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032
{
	switch (dir_type) {
	case BNX_DIR_TYPE_AVS:
	case BNX_DIR_TYPE_EXP_ROM_MBA:
	case BNX_DIR_TYPE_PCIE:
	case BNX_DIR_TYPE_TSCF_UCODE:
	case BNX_DIR_TYPE_EXT_PHY:
	case BNX_DIR_TYPE_CCM:
	case BNX_DIR_TYPE_ISCSI_BOOT:
	case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
	case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
		return true;
	}

	return false;
}

static bool bnxt_dir_type_is_executable(u16 dir_type)
{
	return bnxt_dir_type_is_ape_bin_format(dir_type) ||
2033
		bnxt_dir_type_is_other_exec_format(dir_type);
2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050
}

static int bnxt_flash_firmware_from_file(struct net_device *dev,
					 u16 dir_type,
					 const char *filename)
{
	const struct firmware  *fw;
	int			rc;

	rc = request_firmware(&fw, filename, &dev->dev);
	if (rc != 0) {
		netdev_err(dev, "Error %d requesting firmware file: %s\n",
			   rc, filename);
		return rc;
	}
	if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2051 2052
	else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
		rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2053 2054 2055 2056 2057 2058 2059
	else
		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
				      0, 0, fw->data, fw->size);
	release_firmware(fw);
	return rc;
}

2060 2061
int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
				 u32 install_type)
2062
{
2063 2064 2065 2066 2067
	struct bnxt *bp = netdev_priv(dev);
	struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
	struct hwrm_nvm_install_update_input install = {0};
	const struct firmware *fw;
	u32 item_len;
2068
	int rc = 0;
2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
	u16 index;

	bnxt_hwrm_fw_set_time(bp);

	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
				 &index, &item_len, NULL) != 0) {
		netdev_err(dev, "PKG update area not created in nvram\n");
		return -ENOBUFS;
	}

	rc = request_firmware(&fw, filename, &dev->dev);
	if (rc != 0) {
		netdev_err(dev, "PKG error %d requesting file: %s\n",
			   rc, filename);
		return rc;
	}

	if (fw->size > item_len) {
2088
		netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111
			   (unsigned long)fw->size);
		rc = -EFBIG;
	} else {
		dma_addr_t dma_handle;
		u8 *kmem;
		struct hwrm_nvm_modify_input modify = {0};

		bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);

		modify.dir_idx = cpu_to_le16(index);
		modify.len = cpu_to_le32(fw->size);

		kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
					  &dma_handle, GFP_KERNEL);
		if (!kmem) {
			netdev_err(dev,
				   "dma_alloc_coherent failure, length = %u\n",
				   (unsigned int)fw->size);
			rc = -ENOMEM;
		} else {
			memcpy(kmem, fw->data, fw->size);
			modify.host_src_addr = cpu_to_le64(dma_handle);

2112 2113
			rc = hwrm_send_message(bp, &modify, sizeof(modify),
					       FLASH_PACKAGE_TIMEOUT);
2114 2115 2116 2117 2118
			dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
					  dma_handle);
		}
	}
	release_firmware(fw);
2119
	if (rc)
2120
		goto err_exit;
2121 2122 2123 2124 2125 2126

	if ((install_type & 0xffff) == 0)
		install_type >>= 16;
	bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
	install.install_type = cpu_to_le32(install_type);

2127
	mutex_lock(&bp->hwrm_cmd_lock);
2128 2129 2130
	rc = _hwrm_send_message(bp, &install, sizeof(install),
				INSTALL_PACKAGE_TIMEOUT);
	if (rc) {
2131 2132
		u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;

2133 2134
		if (resp->error_code && error_code ==
		    NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2135 2136
			install.flags |= cpu_to_le16(
			       NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2137 2138
			rc = _hwrm_send_message(bp, &install, sizeof(install),
						INSTALL_PACKAGE_TIMEOUT);
2139
		}
2140
		if (rc)
2141
			goto flash_pkg_exit;
2142
	}
2143 2144 2145 2146

	if (resp->result) {
		netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
			   (s8)resp->result, (int)resp->problem_item);
2147
		rc = -ENOPKG;
2148
	}
2149 2150
flash_pkg_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
2151
err_exit:
2152
	if (rc == -EACCES)
2153
		bnxt_print_admin_err(bp);
2154
	return rc;
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
}

static int bnxt_flash_device(struct net_device *dev,
			     struct ethtool_flash *flash)
{
	if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
		netdev_err(dev, "flashdev not supported from a virtual function\n");
		return -EINVAL;
	}

2165 2166 2167 2168
	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
	    flash->region > 0xffff)
		return bnxt_flash_package_from_file(dev, flash->data,
						    flash->region);
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193

	return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
}

static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;
	struct hwrm_nvm_get_dir_info_input req = {0};
	struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);

	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (!rc) {
		*entries = le32_to_cpu(output->entries);
		*length = le32_to_cpu(output->entry_length);
	}
	mutex_unlock(&bp->hwrm_cmd_lock);
	return rc;
}

static int bnxt_get_eeprom_len(struct net_device *dev)
{
2194 2195 2196 2197 2198
	struct bnxt *bp = netdev_priv(dev);

	if (BNXT_VF(bp))
		return 0;

2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254
	/* The -1 return value allows the entire 32-bit range of offsets to be
	 * passed via the ethtool command-line utility.
	 */
	return -1;
}

static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;
	u32 dir_entries;
	u32 entry_length;
	u8 *buf;
	size_t buflen;
	dma_addr_t dma_handle;
	struct hwrm_nvm_get_dir_entries_input req = {0};

	rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
	if (rc != 0)
		return rc;

	/* Insert 2 bytes of directory info (count and size of entries) */
	if (len < 2)
		return -EINVAL;

	*data++ = dir_entries;
	*data++ = entry_length;
	len -= 2;
	memset(data, 0xff, len);

	buflen = dir_entries * entry_length;
	buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
				 GFP_KERNEL);
	if (!buf) {
		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
			   (unsigned)buflen);
		return -ENOMEM;
	}
	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
	req.host_dest_addr = cpu_to_le64(dma_handle);
	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (rc == 0)
		memcpy(data, buf, len > buflen ? buflen : len);
	dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
	return rc;
}

static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
			       u32 length, u8 *data)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;
	u8 *buf;
	dma_addr_t dma_handle;
	struct hwrm_nvm_read_input req = {0};

2255 2256 2257
	if (!length)
		return -EINVAL;

2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277
	buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
				 GFP_KERNEL);
	if (!buf) {
		netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
			   (unsigned)length);
		return -ENOMEM;
	}
	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
	req.host_dest_addr = cpu_to_le64(dma_handle);
	req.dir_idx = cpu_to_le16(index);
	req.offset = cpu_to_le32(offset);
	req.len = cpu_to_le32(length);

	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (rc == 0)
		memcpy(data, buf, length);
	dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
	return rc;
}

2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
				u16 ext, u16 *index, u32 *item_length,
				u32 *data_length)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc;
	struct hwrm_nvm_find_dir_entry_input req = {0};
	struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
	req.enables = 0;
	req.dir_idx = 0;
	req.dir_type = cpu_to_le16(type);
	req.dir_ordinal = cpu_to_le16(ordinal);
	req.dir_ext = cpu_to_le16(ext);
	req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2294 2295
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2296 2297 2298 2299 2300 2301 2302 2303
	if (rc == 0) {
		if (index)
			*index = le16_to_cpu(output->dir_idx);
		if (item_length)
			*item_length = le32_to_cpu(output->dir_item_length);
		if (data_length)
			*data_length = le32_to_cpu(output->dir_data_length);
	}
2304
	mutex_unlock(&bp->hwrm_cmd_lock);
2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340
	return rc;
}

static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
{
	char	*retval = NULL;
	char	*p;
	char	*value;
	int	field = 0;

	if (datalen < 1)
		return NULL;
	/* null-terminate the log data (removing last '\n'): */
	data[datalen - 1] = 0;
	for (p = data; *p != 0; p++) {
		field = 0;
		retval = NULL;
		while (*p != 0 && *p != '\n') {
			value = p;
			while (*p != 0 && *p != '\t' && *p != '\n')
				p++;
			if (field == desired_field)
				retval = value;
			if (*p != '\t')
				break;
			*p = 0;
			field++;
			p++;
		}
		if (*p == 0)
			break;
		*p = 0;
	}
	return retval;
}

2341
static void bnxt_get_pkgver(struct net_device *dev)
2342
{
2343
	struct bnxt *bp = netdev_priv(dev);
2344
	u16 index = 0;
2345 2346 2347 2348
	char *pkgver;
	u32 pkglen;
	u8 *pkgbuf;
	int len;
2349 2350 2351

	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2352 2353
				 &index, NULL, &pkglen) != 0)
		return;
2354

2355 2356 2357 2358 2359 2360 2361 2362 2363
	pkgbuf = kzalloc(pkglen, GFP_KERNEL);
	if (!pkgbuf) {
		dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
			pkglen);
		return;
	}

	if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
		goto err;
2364

2365 2366 2367 2368 2369 2370 2371 2372 2373
	pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
				   pkglen);
	if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
		len = strlen(bp->fw_ver_str);
		snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
			 "/pkg %s", pkgver);
	}
err:
	kfree(pkgbuf);
2374 2375
}

2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438
static int bnxt_get_eeprom(struct net_device *dev,
			   struct ethtool_eeprom *eeprom,
			   u8 *data)
{
	u32 index;
	u32 offset;

	if (eeprom->offset == 0) /* special offset value to get directory */
		return bnxt_get_nvram_directory(dev, eeprom->len, data);

	index = eeprom->offset >> 24;
	offset = eeprom->offset & 0xffffff;

	if (index == 0) {
		netdev_err(dev, "unsupported index value: %d\n", index);
		return -EINVAL;
	}

	return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
}

static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
{
	struct bnxt *bp = netdev_priv(dev);
	struct hwrm_nvm_erase_dir_entry_input req = {0};

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
	req.dir_idx = cpu_to_le16(index);
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}

static int bnxt_set_eeprom(struct net_device *dev,
			   struct ethtool_eeprom *eeprom,
			   u8 *data)
{
	struct bnxt *bp = netdev_priv(dev);
	u8 index, dir_op;
	u16 type, ext, ordinal, attr;

	if (!BNXT_PF(bp)) {
		netdev_err(dev, "NVM write not supported from a virtual function\n");
		return -EINVAL;
	}

	type = eeprom->magic >> 16;

	if (type == 0xffff) { /* special value for directory operations */
		index = eeprom->magic & 0xff;
		dir_op = eeprom->magic >> 8;
		if (index == 0)
			return -EINVAL;
		switch (dir_op) {
		case 0x0e: /* erase */
			if (eeprom->offset != ~eeprom->magic)
				return -EINVAL;
			return bnxt_erase_nvram_directory(dev, index - 1);
		default:
			return -EINVAL;
		}
	}

	/* Create or re-write an NVM item: */
	if (bnxt_dir_type_is_executable(type) == true)
2439
		return -EOPNOTSUPP;
2440 2441 2442 2443 2444 2445 2446 2447
	ext = eeprom->magic & 0xffff;
	ordinal = eeprom->offset >> 16;
	attr = eeprom->offset & 0xffff;

	return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
				eeprom->len);
}

2448 2449 2450 2451 2452 2453 2454 2455 2456
static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
	struct bnxt *bp = netdev_priv(dev);
	struct ethtool_eee *eee = &bp->eee;
	struct bnxt_link_info *link_info = &bp->link_info;
	u32 advertising =
		 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
	int rc = 0;

2457
	if (!BNXT_PHY_CFG_ABLE(bp))
2458
		return -EOPNOTSUPP;
2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521

	if (!(bp->flags & BNXT_FLAG_EEE_CAP))
		return -EOPNOTSUPP;

	if (!edata->eee_enabled)
		goto eee_ok;

	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
		netdev_warn(dev, "EEE requires autoneg\n");
		return -EINVAL;
	}
	if (edata->tx_lpi_enabled) {
		if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
				       edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
			netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
				    bp->lpi_tmr_lo, bp->lpi_tmr_hi);
			return -EINVAL;
		} else if (!bp->lpi_tmr_hi) {
			edata->tx_lpi_timer = eee->tx_lpi_timer;
		}
	}
	if (!edata->advertised) {
		edata->advertised = advertising & eee->supported;
	} else if (edata->advertised & ~advertising) {
		netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
			    edata->advertised, advertising);
		return -EINVAL;
	}

	eee->advertised = edata->advertised;
	eee->tx_lpi_enabled = edata->tx_lpi_enabled;
	eee->tx_lpi_timer = edata->tx_lpi_timer;
eee_ok:
	eee->eee_enabled = edata->eee_enabled;

	if (netif_running(dev))
		rc = bnxt_hwrm_set_link_setting(bp, false, true);

	return rc;
}

static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
{
	struct bnxt *bp = netdev_priv(dev);

	if (!(bp->flags & BNXT_FLAG_EEE_CAP))
		return -EOPNOTSUPP;

	*edata = bp->eee;
	if (!bp->eee.eee_enabled) {
		/* Preserve tx_lpi_timer so that the last value will be used
		 * by default when it is re-enabled.
		 */
		edata->advertised = 0;
		edata->tx_lpi_enabled = 0;
	}

	if (!bp->eee.eee_active)
		edata->lp_advertised = 0;

	return 0;
}

2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557
static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
					    u16 page_number, u16 start_addr,
					    u16 data_length, u8 *buf)
{
	struct hwrm_port_phy_i2c_read_input req = {0};
	struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
	int rc, byte_offset = 0;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
	req.i2c_slave_addr = i2c_addr;
	req.page_number = cpu_to_le16(page_number);
	req.port_id = cpu_to_le16(bp->pf.port_id);
	do {
		u16 xfer_size;

		xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
		data_length -= xfer_size;
		req.page_offset = cpu_to_le16(start_addr + byte_offset);
		req.data_length = xfer_size;
		req.enables = cpu_to_le32(start_addr + byte_offset ?
				 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
		mutex_lock(&bp->hwrm_cmd_lock);
		rc = _hwrm_send_message(bp, &req, sizeof(req),
					HWRM_CMD_TIMEOUT);
		if (!rc)
			memcpy(buf + byte_offset, output->data, xfer_size);
		mutex_unlock(&bp->hwrm_cmd_lock);
		byte_offset += xfer_size;
	} while (!rc && data_length > 0);

	return rc;
}

static int bnxt_get_module_info(struct net_device *dev,
				struct ethtool_modinfo *modinfo)
{
2558
	u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
	struct bnxt *bp = netdev_priv(dev);
	int rc;

	/* No point in going further if phy status indicates
	 * module is not inserted or if it is powered down or
	 * if it is of type 10GBase-T
	 */
	if (bp->link_info.module_status >
		PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
		return -EOPNOTSUPP;

	/* This feature is not supported in older firmware versions */
	if (bp->hwrm_spec_code < 0x10202)
		return -EOPNOTSUPP;

2574 2575 2576
	rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
					      SFF_DIAG_SUPPORT_OFFSET + 1,
					      data);
2577
	if (!rc) {
2578 2579
		u8 module_id = data[0];
		u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2580 2581 2582 2583 2584

		switch (module_id) {
		case SFF_MODULE_ID_SFP:
			modinfo->type = ETH_MODULE_SFF_8472;
			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2585 2586
			if (!diag_supported)
				modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610
			break;
		case SFF_MODULE_ID_QSFP:
		case SFF_MODULE_ID_QSFP_PLUS:
			modinfo->type = ETH_MODULE_SFF_8436;
			modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
			break;
		case SFF_MODULE_ID_QSFP28:
			modinfo->type = ETH_MODULE_SFF_8636;
			modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
			break;
		default:
			rc = -EOPNOTSUPP;
			break;
		}
	}
	return rc;
}

static int bnxt_get_module_eeprom(struct net_device *dev,
				  struct ethtool_eeprom *eeprom,
				  u8 *data)
{
	struct bnxt *bp = netdev_priv(dev);
	u16  start = eeprom->offset, length = eeprom->len;
2611
	int rc = 0;
2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630

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

	/* Read A0 portion of the EEPROM */
	if (start < ETH_MODULE_SFF_8436_LEN) {
		if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
			length = ETH_MODULE_SFF_8436_LEN - start;
		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
						      start, length, data);
		if (rc)
			return rc;
		start += length;
		data += length;
		length = eeprom->len - length;
	}

	/* Read A2 portion of the EEPROM */
	if (length) {
		start -= ETH_MODULE_SFF_8436_LEN;
2631 2632
		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
						      start, length, data);
2633 2634 2635 2636
	}
	return rc;
}

2637 2638 2639 2640 2641 2642 2643
static int bnxt_nway_reset(struct net_device *dev)
{
	int rc = 0;

	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;

2644
	if (!BNXT_PHY_CFG_ABLE(bp))
2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655
		return -EOPNOTSUPP;

	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
		return -EINVAL;

	if (netif_running(dev))
		rc = bnxt_hwrm_set_link_setting(bp, true, false);

	return rc;
}

2656 2657 2658 2659 2660 2661 2662 2663 2664
static int bnxt_set_phys_id(struct net_device *dev,
			    enum ethtool_phys_id_state state)
{
	struct hwrm_port_led_cfg_input req = {0};
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_pf_info *pf = &bp->pf;
	struct bnxt_led_cfg *led_cfg;
	u8 led_state;
	__le16 duration;
2665
	int i;
2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690

	if (!bp->num_leds || BNXT_VF(bp))
		return -EOPNOTSUPP;

	if (state == ETHTOOL_ID_ACTIVE) {
		led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
		duration = cpu_to_le16(500);
	} else if (state == ETHTOOL_ID_INACTIVE) {
		led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
		duration = cpu_to_le16(0);
	} else {
		return -EINVAL;
	}
	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
	req.port_id = cpu_to_le16(pf->port_id);
	req.num_leds = bp->num_leds;
	led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
	for (i = 0; i < bp->num_leds; i++, led_cfg++) {
		req.enables |= BNXT_LED_DFLT_ENABLES(i);
		led_cfg->led_id = bp->leds[i].led_id;
		led_cfg->led_state = led_state;
		led_cfg->led_blink_on = duration;
		led_cfg->led_blink_off = duration;
		led_cfg->led_group_id = bp->leds[i].led_group_id;
	}
2691
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2692 2693
}

2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716
static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
{
	struct hwrm_selftest_irq_input req = {0};

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}

static int bnxt_test_irq(struct bnxt *bp)
{
	int i;

	for (i = 0; i < bp->cp_nr_rings; i++) {
		u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
		int rc;

		rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
		if (rc)
			return rc;
	}
	return 0;
}

2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730
static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
{
	struct hwrm_port_mac_cfg_input req = {0};

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);

	req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
	if (enable)
		req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
	else
		req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}

2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746
static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
{
	struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
	struct hwrm_port_phy_qcaps_input req = {0};
	int rc;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (!rc)
		*force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);

	mutex_unlock(&bp->hwrm_cmd_lock);
	return rc;
}

2747 2748 2749 2750
static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
				    struct hwrm_port_phy_cfg_input *req)
{
	struct bnxt_link_info *link_info = &bp->link_info;
2751
	u16 fw_advertising;
2752 2753 2754
	u16 fw_speed;
	int rc;

2755 2756
	if (!link_info->autoneg ||
	    (bp->test_info->flags & BNXT_TEST_FL_AN_PHY_LPBK))
2757 2758
		return 0;

2759 2760 2761 2762
	rc = bnxt_query_force_speeds(bp, &fw_advertising);
	if (rc)
		return rc;

2763
	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2764
	if (bp->link_info.link_up)
2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783
		fw_speed = bp->link_info.link_speed;
	else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
	else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
	else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
	else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;

	req->force_link_speed = cpu_to_le16(fw_speed);
	req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
				  PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
	rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
	req->flags = 0;
	req->force_link_speed = cpu_to_le16(0);
	return rc;
}

2784
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2785 2786 2787 2788 2789 2790 2791
{
	struct hwrm_port_phy_cfg_input req = {0};

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);

	if (enable) {
		bnxt_disable_an_for_lpbk(bp, &req);
2792 2793 2794 2795
		if (ext)
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
		else
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2796 2797 2798 2799 2800 2801 2802
	} else {
		req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
	}
	req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}

2803
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2804 2805
			    u32 raw_cons, int pkt_size)
{
2806 2807
	struct bnxt_napi *bnapi = cpr->bnapi;
	struct bnxt_rx_ring_info *rxr;
2808 2809 2810 2811 2812 2813 2814
	struct bnxt_sw_rx_bd *rx_buf;
	struct rx_cmp *rxcmp;
	u16 cp_cons, cons;
	u8 *data;
	u32 len;
	int i;

2815
	rxr = bnapi->rx_ring;
2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835
	cp_cons = RING_CMP(raw_cons);
	rxcmp = (struct rx_cmp *)
		&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
	cons = rxcmp->rx_cmp_opaque;
	rx_buf = &rxr->rx_buf_ring[cons];
	data = rx_buf->data_ptr;
	len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
	if (len != pkt_size)
		return -EIO;
	i = ETH_ALEN;
	if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
		return -EIO;
	i += ETH_ALEN;
	for (  ; i < pkt_size; i++) {
		if (data[i] != (u8)(i & 0xff))
			return -EIO;
	}
	return 0;
}

2836 2837
static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
			      int pkt_size)
2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859
{
	struct tx_cmp *txcmp;
	int rc = -EIO;
	u32 raw_cons;
	u32 cons;
	int i;

	raw_cons = cpr->cp_raw_cons;
	for (i = 0; i < 200; i++) {
		cons = RING_CMP(raw_cons);
		txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];

		if (!TX_CMP_VALID(txcmp, raw_cons)) {
			udelay(5);
			continue;
		}

		/* The valid test of the entry must be done first before
		 * reading any further.
		 */
		dma_rmb();
		if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2860
			rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873
			raw_cons = NEXT_RAW_CMP(raw_cons);
			raw_cons = NEXT_RAW_CMP(raw_cons);
			break;
		}
		raw_cons = NEXT_RAW_CMP(raw_cons);
	}
	cpr->cp_raw_cons = raw_cons;
	return rc;
}

static int bnxt_run_loopback(struct bnxt *bp)
{
	struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2874
	struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2875
	struct bnxt_cp_ring_info *cpr;
2876 2877 2878 2879 2880 2881
	int pkt_size, i = 0;
	struct sk_buff *skb;
	dma_addr_t map;
	u8 *data;
	int rc;

2882 2883 2884
	cpr = &rxr->bnapi->cp_ring;
	if (bp->flags & BNXT_FLAG_CHIP_P5)
		cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
	skb = netdev_alloc_skb(bp->dev, pkt_size);
	if (!skb)
		return -ENOMEM;
	data = skb_put(skb, pkt_size);
	eth_broadcast_addr(data);
	i += ETH_ALEN;
	ether_addr_copy(&data[i], bp->dev->dev_addr);
	i += ETH_ALEN;
	for ( ; i < pkt_size; i++)
		data[i] = (u8)(i & 0xff);

	map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
			     PCI_DMA_TODEVICE);
	if (dma_mapping_error(&bp->pdev->dev, map)) {
		dev_kfree_skb(skb);
		return -EIO;
	}
2903
	bnxt_xmit_bd(bp, txr, map, pkt_size);
2904 2905 2906 2907

	/* Sync BD data before updating doorbell */
	wmb();

2908
	bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2909
	rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2910 2911 2912 2913 2914 2915

	dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
	dev_kfree_skb(skb);
	return rc;
}

2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931
static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
{
	struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
	struct hwrm_selftest_exec_input req = {0};
	int rc;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
	mutex_lock(&bp->hwrm_cmd_lock);
	resp->test_success = 0;
	req.flags = test_mask;
	rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
	*test_results = resp->test_success;
	mutex_unlock(&bp->hwrm_cmd_lock);
	return rc;
}

2932
#define BNXT_DRV_TESTS			4
2933
#define BNXT_MACLPBK_TEST_IDX		(bp->num_tests - BNXT_DRV_TESTS)
2934
#define BNXT_PHYLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 1)
2935 2936
#define BNXT_EXTLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 3)
2937 2938 2939 2940 2941

static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
			   u64 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
2942
	bool do_ext_lpbk = false;
2943 2944 2945
	bool offline = false;
	u8 test_results = 0;
	u8 test_mask = 0;
2946
	int rc = 0, i;
2947 2948 2949 2950 2951 2952 2953 2954 2955

	if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
		return;
	memset(buf, 0, sizeof(u64) * bp->num_tests);
	if (!netif_running(dev)) {
		etest->flags |= ETH_TEST_FL_FAILED;
		return;
	}

2956 2957 2958 2959
	if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
	    (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
		do_ext_lpbk = true;

2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
		if (bp->pf.active_vfs) {
			etest->flags |= ETH_TEST_FL_FAILED;
			netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
			return;
		}
		offline = true;
	}

	for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
		u8 bit_val = 1 << i;

		if (!(bp->test_info->offline_mask & bit_val))
			test_mask |= bit_val;
		else if (offline)
			test_mask |= bit_val;
	}
	if (!offline) {
		bnxt_run_fw_tests(bp, test_mask, &test_results);
	} else {
		rc = bnxt_close_nic(bp, false, false);
		if (rc)
			return;
		bnxt_run_fw_tests(bp, test_mask, &test_results);
2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999

		buf[BNXT_MACLPBK_TEST_IDX] = 1;
		bnxt_hwrm_mac_loopback(bp, true);
		msleep(250);
		rc = bnxt_half_open_nic(bp);
		if (rc) {
			bnxt_hwrm_mac_loopback(bp, false);
			etest->flags |= ETH_TEST_FL_FAILED;
			return;
		}
		if (bnxt_run_loopback(bp))
			etest->flags |= ETH_TEST_FL_FAILED;
		else
			buf[BNXT_MACLPBK_TEST_IDX] = 0;

		bnxt_hwrm_mac_loopback(bp, false);
3000
		bnxt_hwrm_phy_loopback(bp, true, false);
3001 3002 3003 3004 3005
		msleep(1000);
		if (bnxt_run_loopback(bp)) {
			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
3006 3007 3008 3009 3010 3011 3012 3013 3014 3015
		if (do_ext_lpbk) {
			etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
			bnxt_hwrm_phy_loopback(bp, true, true);
			msleep(1000);
			if (bnxt_run_loopback(bp)) {
				buf[BNXT_EXTLPBK_TEST_IDX] = 1;
				etest->flags |= ETH_TEST_FL_FAILED;
			}
		}
		bnxt_hwrm_phy_loopback(bp, false, false);
3016
		bnxt_half_close_nic(bp);
3017
		rc = bnxt_open_nic(bp, false, true);
3018
	}
3019
	if (rc || bnxt_test_irq(bp)) {
3020 3021 3022
		buf[BNXT_IRQ_TEST_IDX] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
3023 3024 3025 3026 3027 3028 3029 3030 3031 3032
	for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
		u8 bit_val = 1 << i;

		if ((test_mask & bit_val) && !(test_results & bit_val)) {
			buf[i] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
	}
}

3033 3034 3035
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
	struct bnxt *bp = netdev_priv(dev);
3036
	bool reload = false;
3037 3038 3039 3040
	u32 req = *flags;

	if (!req)
		return -EINVAL;
3041 3042 3043 3044 3045 3046

	if (!BNXT_PF(bp)) {
		netdev_err(dev, "Reset is not supported from a VF\n");
		return -EOPNOTSUPP;
	}

3047 3048
	if (pci_vfs_assigned(bp->pdev) &&
	    !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3049 3050 3051 3052 3053
		netdev_err(dev,
			   "Reset not allowed when VFs are assigned to VMs\n");
		return -EBUSY;
	}

3054
	if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3055
		/* This feature is not supported in older firmware versions */
3056 3057 3058 3059
		if (bp->hwrm_spec_code >= 0x10803) {
			if (!bnxt_firmware_reset_chip(dev)) {
				netdev_info(dev, "Firmware reset request successful.\n");
				if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
3060
					reload = true;
3061 3062 3063 3064
				*flags &= ~BNXT_FW_RESET_CHIP;
			}
		} else if (req == BNXT_FW_RESET_CHIP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3065
		}
3066
	}
3067

3068 3069 3070 3071 3072
	if (req & BNXT_FW_RESET_AP) {
		/* This feature is not supported in older firmware versions */
		if (bp->hwrm_spec_code >= 0x10803) {
			if (!bnxt_firmware_reset_ap(dev)) {
				netdev_info(dev, "Reset application processor successful.\n");
3073
				reload = true;
3074 3075 3076 3077
				*flags &= ~BNXT_FW_RESET_AP;
			}
		} else if (req == BNXT_FW_RESET_AP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3078
		}
3079 3080
	}

3081 3082 3083
	if (reload)
		netdev_info(dev, "Reload driver to complete reset\n");

3084
	return 0;
3085 3086
}

3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110
static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
				  struct bnxt_hwrm_dbg_dma_info *info)
{
	struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
	struct hwrm_dbg_cmn_input *cmn_req = msg;
	__le16 *seq_ptr = msg + info->seq_off;
	u16 seq = 0, len, segs_off;
	void *resp = cmn_resp;
	dma_addr_t dma_handle;
	int rc, off = 0;
	void *dma_buf;

	dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
				     GFP_KERNEL);
	if (!dma_buf)
		return -ENOMEM;

	segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
			    total_segments);
	cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
	cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
	mutex_lock(&bp->hwrm_cmd_lock);
	while (1) {
		*seq_ptr = cpu_to_le16(seq);
3111 3112
		rc = _hwrm_send_message(bp, msg, msg_len,
					HWRM_COREDUMP_TIMEOUT);
3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135
		if (rc)
			break;

		len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
		if (!seq &&
		    cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
			info->segs = le16_to_cpu(*((__le16 *)(resp +
							      segs_off)));
			if (!info->segs) {
				rc = -EIO;
				break;
			}

			info->dest_buf_size = info->segs *
					sizeof(struct coredump_segment_record);
			info->dest_buf = kmalloc(info->dest_buf_size,
						 GFP_KERNEL);
			if (!info->dest_buf) {
				rc = -ENOMEM;
				break;
			}
		}

3136 3137 3138 3139 3140 3141 3142 3143 3144
		if (info->dest_buf) {
			if ((info->seg_start + off + len) <=
			    BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
				memcpy(info->dest_buf + off, dma_buf, len);
			} else {
				rc = -ENOBUFS;
				break;
			}
		}
3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192

		if (cmn_req->req_type ==
				cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
			info->dest_buf_size += len;

		if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
			break;

		seq++;
		off += len;
	}
	mutex_unlock(&bp->hwrm_cmd_lock);
	dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
	return rc;
}

static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
				       struct bnxt_coredump *coredump)
{
	struct hwrm_dbg_coredump_list_input req = {0};
	struct bnxt_hwrm_dbg_dma_info info = {NULL};
	int rc;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);

	info.dma_len = COREDUMP_LIST_BUF_LEN;
	info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
	info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
				     data_len);

	rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
	if (!rc) {
		coredump->data = info.dest_buf;
		coredump->data_size = info.dest_buf_size;
		coredump->total_segs = info.segs;
	}
	return rc;
}

static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
					   u16 segment_id)
{
	struct hwrm_dbg_coredump_initiate_input req = {0};

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
	req.component_id = cpu_to_le16(component_id);
	req.segment_id = cpu_to_le16(segment_id);

3193
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3194 3195 3196 3197
}

static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
					   u16 segment_id, u32 *seg_len,
3198
					   void *buf, u32 buf_len, u32 offset)
3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212
{
	struct hwrm_dbg_coredump_retrieve_input req = {0};
	struct bnxt_hwrm_dbg_dma_info info = {NULL};
	int rc;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
	req.component_id = cpu_to_le16(component_id);
	req.segment_id = cpu_to_le16(segment_id);

	info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
	info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
				seq_no);
	info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
				     data_len);
3213
	if (buf) {
3214
		info.dest_buf = buf + offset;
3215 3216 3217
		info.buf_len = buf_len;
		info.seg_start = offset;
	}
3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232

	rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
	if (!rc)
		*seg_len = info.dest_buf_size;

	return rc;
}

static void
bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
			   struct bnxt_coredump_segment_hdr *seg_hdr,
			   struct coredump_segment_record *seg_rec, u32 seg_len,
			   int status, u32 duration, u32 instance)
{
	memset(seg_hdr, 0, sizeof(*seg_hdr));
3233
	memcpy(seg_hdr->signature, "sEgM", 4);
3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264
	if (seg_rec) {
		seg_hdr->component_id = (__force __le32)seg_rec->component_id;
		seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
		seg_hdr->low_version = seg_rec->version_low;
		seg_hdr->high_version = seg_rec->version_hi;
	} else {
		/* For hwrm_ver_get response Component id = 2
		 * and Segment id = 0
		 */
		seg_hdr->component_id = cpu_to_le32(2);
		seg_hdr->segment_id = 0;
	}
	seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
	seg_hdr->length = cpu_to_le32(seg_len);
	seg_hdr->status = cpu_to_le32(status);
	seg_hdr->duration = cpu_to_le32(duration);
	seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
	seg_hdr->instance = cpu_to_le32(instance);
}

static void
bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
			  time64_t start, s16 start_utc, u16 total_segs,
			  int status)
{
	time64_t end = ktime_get_real_seconds();
	u32 os_ver_major = 0, os_ver_minor = 0;
	struct tm tm;

	time64_to_tm(start, 0, &tm);
	memset(record, 0, sizeof(*record));
3265
	memcpy(record->signature, "cOrE", 4);
3266 3267 3268 3269
	record->flags = 0;
	record->low_version = 0;
	record->high_version = 1;
	record->asic_state = 0;
3270 3271
	strlcpy(record->system_name, utsname()->nodename,
		sizeof(record->system_name));
3272 3273
	record->year = cpu_to_le16(tm.tm_year + 1900);
	record->month = cpu_to_le16(tm.tm_mon + 1);
3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285
	record->day = cpu_to_le16(tm.tm_mday);
	record->hour = cpu_to_le16(tm.tm_hour);
	record->minute = cpu_to_le16(tm.tm_min);
	record->second = cpu_to_le16(tm.tm_sec);
	record->utc_bias = cpu_to_le16(start_utc);
	strcpy(record->commandline, "ethtool -w");
	record->total_segments = cpu_to_le32(total_segs);

	sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
	record->os_ver_major = cpu_to_le32(os_ver_major);
	record->os_ver_minor = cpu_to_le32(os_ver_minor);

3286
	strlcpy(record->os_name, utsname()->sysname, 32);
3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306
	time64_to_tm(end, 0, &tm);
	record->end_year = cpu_to_le16(tm.tm_year + 1900);
	record->end_month = cpu_to_le16(tm.tm_mon + 1);
	record->end_day = cpu_to_le16(tm.tm_mday);
	record->end_hour = cpu_to_le16(tm.tm_hour);
	record->end_minute = cpu_to_le16(tm.tm_min);
	record->end_second = cpu_to_le16(tm.tm_sec);
	record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
	record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
				       bp->ver_resp.chip_rev << 8 |
				       bp->ver_resp.chip_metal);
	record->asic_id2 = 0;
	record->coredump_status = cpu_to_le32(status);
	record->ioctl_low_version = 0;
	record->ioctl_high_version = 0;
}

static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
{
	u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
3307
	u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3308 3309 3310 3311 3312 3313 3314
	struct coredump_segment_record *seg_record = NULL;
	struct bnxt_coredump_segment_hdr seg_hdr;
	struct bnxt_coredump coredump = {NULL};
	time64_t start_time;
	u16 start_utc;
	int rc = 0, i;

3315 3316 3317
	if (buf)
		buf_len = *dump_len;

3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349
	start_time = ktime_get_real_seconds();
	start_utc = sys_tz.tz_minuteswest * 60;
	seg_hdr_len = sizeof(seg_hdr);

	/* First segment should be hwrm_ver_get response */
	*dump_len = seg_hdr_len + ver_get_resp_len;
	if (buf) {
		bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
					   0, 0, 0);
		memcpy(buf + offset, &seg_hdr, seg_hdr_len);
		offset += seg_hdr_len;
		memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
		offset += ver_get_resp_len;
	}

	rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
	if (rc) {
		netdev_err(bp->dev, "Failed to get coredump segment list\n");
		goto err;
	}

	*dump_len += seg_hdr_len * coredump.total_segs;

	seg_record = (struct coredump_segment_record *)coredump.data;
	seg_record_len = sizeof(*seg_record);

	for (i = 0; i < coredump.total_segs; i++) {
		u16 comp_id = le16_to_cpu(seg_record->component_id);
		u16 seg_id = le16_to_cpu(seg_record->segment_id);
		u32 duration = 0, seg_len = 0;
		unsigned long start, end;

3350 3351 3352 3353 3354 3355
		if (buf && ((offset + seg_hdr_len) >
			    BNXT_COREDUMP_BUF_LEN(buf_len))) {
			rc = -ENOBUFS;
			goto err;
		}

3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367
		start = jiffies;

		rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
		if (rc) {
			netdev_err(bp->dev,
				   "Failed to initiate coredump for seg = %d\n",
				   seg_record->segment_id);
			goto next_seg;
		}

		/* Write segment data into the buffer */
		rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3368
						     &seg_len, buf, buf_len,
3369
						     offset + seg_hdr_len);
3370 3371 3372
		if (rc && rc == -ENOBUFS)
			goto err;
		else if (rc)
3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395
			netdev_err(bp->dev,
				   "Failed to retrieve coredump for seg = %d\n",
				   seg_record->segment_id);

next_seg:
		end = jiffies;
		duration = jiffies_to_msecs(end - start);
		bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
					   rc, duration, 0);

		if (buf) {
			/* Write segment header into the buffer */
			memcpy(buf + offset, &seg_hdr, seg_hdr_len);
			offset += seg_hdr_len + seg_len;
		}

		*dump_len += seg_len;
		seg_record =
			(struct coredump_segment_record *)((u8 *)seg_record +
							   seg_record_len);
	}

err:
3396 3397
	if (buf)
		bnxt_fill_coredump_record(bp, buf + offset, start_time,
3398 3399 3400
					  start_utc, coredump.total_segs + 1,
					  rc);
	kfree(coredump.data);
3401
	*dump_len += sizeof(struct bnxt_coredump_record);
3402
	if (rc == -ENOBUFS)
3403
		netdev_err(bp->dev, "Firmware returned large coredump buffer\n");
3404 3405 3406
	return rc;
}

3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424
static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
{
	struct bnxt *bp = netdev_priv(dev);

	if (dump->flag > BNXT_DUMP_CRASH) {
		netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
		return -EINVAL;
	}

	if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
		netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
		return -EOPNOTSUPP;
	}

	bp->dump_flag = dump->flag;
	return 0;
}

3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436
static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
{
	struct bnxt *bp = netdev_priv(dev);

	if (bp->hwrm_spec_code < 0x10801)
		return -EOPNOTSUPP;

	dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
			bp->ver_resp.hwrm_fw_min_8b << 16 |
			bp->ver_resp.hwrm_fw_bld_8b << 8 |
			bp->ver_resp.hwrm_fw_rsvd_8b;

3437 3438 3439 3440 3441 3442
	dump->flag = bp->dump_flag;
	if (bp->dump_flag == BNXT_DUMP_CRASH)
		dump->len = BNXT_CRASH_DUMP_LEN;
	else
		bnxt_get_coredump(bp, NULL, &dump->len);
	return 0;
3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454
}

static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
			      void *buf)
{
	struct bnxt *bp = netdev_priv(dev);

	if (bp->hwrm_spec_code < 0x10801)
		return -EOPNOTSUPP;

	memset(buf, 0, dump->len);

3455 3456 3457 3458 3459 3460 3461 3462 3463 3464
	dump->flag = bp->dump_flag;
	if (dump->flag == BNXT_DUMP_CRASH) {
#ifdef CONFIG_TEE_BNXT_FW
		return tee_bnxt_copy_coredump(buf, 0, dump->len);
#endif
	} else {
		return bnxt_get_coredump(bp, buf, &dump->len);
	}

	return 0;
3465 3466
}

3467 3468 3469 3470 3471
void bnxt_ethtool_init(struct bnxt *bp)
{
	struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
	struct hwrm_selftest_qlist_input req = {0};
	struct bnxt_test_info *test_info;
3472
	struct net_device *dev = bp->dev;
3473 3474
	int i, rc;

3475 3476
	if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
		bnxt_get_pkgver(dev);
3477

3478
	bp->num_tests = 0;
3479 3480 3481 3482 3483 3484 3485 3486 3487
	if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
		return;

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (rc)
		goto ethtool_init_exit;

3488 3489 3490
	test_info = bp->test_info;
	if (!test_info)
		test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506
	if (!test_info)
		goto ethtool_init_exit;

	bp->test_info = test_info;
	bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
	if (bp->num_tests > BNXT_MAX_TEST)
		bp->num_tests = BNXT_MAX_TEST;

	test_info->offline_mask = resp->offline_tests;
	test_info->timeout = le16_to_cpu(resp->test_timeout);
	if (!test_info->timeout)
		test_info->timeout = HWRM_CMD_TIMEOUT;
	for (i = 0; i < bp->num_tests; i++) {
		char *str = test_info->string[i];
		char *fw_str = resp->test0_name + i * 32;

3507 3508
		if (i == BNXT_MACLPBK_TEST_IDX) {
			strcpy(str, "Mac loopback test (offline)");
3509 3510
		} else if (i == BNXT_PHYLPBK_TEST_IDX) {
			strcpy(str, "Phy loopback test (offline)");
3511 3512
		} else if (i == BNXT_EXTLPBK_TEST_IDX) {
			strcpy(str, "Ext loopback test (offline)");
3513 3514
		} else if (i == BNXT_IRQ_TEST_IDX) {
			strcpy(str, "Interrupt_test (offline)");
3515 3516 3517 3518 3519 3520 3521 3522 3523 3524
		} else {
			strlcpy(str, fw_str, ETH_GSTRING_LEN);
			strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
			if (test_info->offline_mask & (1 << i))
				strncat(str, " (offline)",
					ETH_GSTRING_LEN - strlen(str));
			else
				strncat(str, " (online)",
					ETH_GSTRING_LEN - strlen(str));
		}
3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536
	}

ethtool_init_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
}

void bnxt_ethtool_free(struct bnxt *bp)
{
	kfree(bp->test_info);
	bp->test_info = NULL;
}

3537
const struct ethtool_ops bnxt_ethtool_ops = {
3538 3539 3540 3541 3542 3543
	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
				     ETHTOOL_COALESCE_MAX_FRAMES |
				     ETHTOOL_COALESCE_USECS_IRQ |
				     ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
				     ETHTOOL_COALESCE_STATS_BLOCK_USECS |
				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
3544 3545
	.get_link_ksettings	= bnxt_get_link_ksettings,
	.set_link_ksettings	= bnxt_set_link_ksettings,
3546 3547 3548
	.get_pauseparam		= bnxt_get_pauseparam,
	.set_pauseparam		= bnxt_set_pauseparam,
	.get_drvinfo		= bnxt_get_drvinfo,
3549
	.get_wol		= bnxt_get_wol,
3550
	.set_wol		= bnxt_set_wol,
3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562
	.get_coalesce		= bnxt_get_coalesce,
	.set_coalesce		= bnxt_set_coalesce,
	.get_msglevel		= bnxt_get_msglevel,
	.set_msglevel		= bnxt_set_msglevel,
	.get_sset_count		= bnxt_get_sset_count,
	.get_strings		= bnxt_get_strings,
	.get_ethtool_stats	= bnxt_get_ethtool_stats,
	.set_ringparam		= bnxt_set_ringparam,
	.get_ringparam		= bnxt_get_ringparam,
	.get_channels		= bnxt_get_channels,
	.set_channels		= bnxt_set_channels,
	.get_rxnfc		= bnxt_get_rxnfc,
3563
	.set_rxnfc		= bnxt_set_rxnfc,
3564 3565 3566 3567 3568 3569 3570 3571
	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
	.get_rxfh               = bnxt_get_rxfh,
	.flash_device		= bnxt_flash_device,
	.get_eeprom_len         = bnxt_get_eeprom_len,
	.get_eeprom             = bnxt_get_eeprom,
	.set_eeprom		= bnxt_set_eeprom,
	.get_link		= bnxt_get_link,
3572 3573
	.get_eee		= bnxt_get_eee,
	.set_eee		= bnxt_set_eee,
3574 3575
	.get_module_info	= bnxt_get_module_info,
	.get_module_eeprom	= bnxt_get_module_eeprom,
3576 3577
	.nway_reset		= bnxt_nway_reset,
	.set_phys_id		= bnxt_set_phys_id,
3578
	.self_test		= bnxt_self_test,
3579
	.reset			= bnxt_reset,
3580
	.set_dump		= bnxt_set_dump,
3581 3582
	.get_dump_flag		= bnxt_get_dump_flag,
	.get_dump_data		= bnxt_get_dump_data,
3583
};