bnxt_ethtool.c 105.8 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>
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#include <linux/linkmode.h>
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#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",
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	"rx_errors",
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	"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",
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	"tx_errors",
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	"tx_discards",
	"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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	"rx_tpa_events",
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};

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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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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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#define BNXT_NUM_SW_FUNC_STATS	ARRAY_SIZE(bnxt_sw_func_stats)
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#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
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#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))
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static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
{
	if (BNXT_SUPPORTS_TPA(bp)) {
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		if (bp->max_tpa_v2) {
			if (BNXT_CHIP_P5_THOR(bp))
				return BNXT_NUM_TPA_RING_STATS_P5;
			return BNXT_NUM_TPA_RING_STATS_P5_SR2;
		}
		return BNXT_NUM_TPA_RING_STATS;
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	}
	return 0;
}

477 478
static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
479
	int rx, tx, cmn;
480

481 482 483 484
	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;
485 486
	return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
	       cmn * bp->cp_nr_rings;
487 488
}

489 490
static int bnxt_get_num_stats(struct bnxt *bp)
{
491
	int num_stats = bnxt_get_num_ring_stats(bp);
492

493 494
	num_stats += BNXT_NUM_SW_FUNC_STATS;

495 496 497
	if (bp->flags & BNXT_FLAG_PORT_STATS)
		num_stats += BNXT_NUM_PORT_STATS;

498
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
499 500
		num_stats += bp->fw_rx_stats_ext_size +
			     bp->fw_tx_stats_ext_size;
501 502 503
		if (bp->pri2cos_valid)
			num_stats += BNXT_NUM_STATS_PRI;
	}
504

505 506 507
	return num_stats;
}

508 509 510 511 512
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
	struct bnxt *bp = netdev_priv(dev);

	switch (sset) {
513 514
	case ETH_SS_STATS:
		return bnxt_get_num_stats(bp);
515 516 517 518
	case ETH_SS_TEST:
		if (!bp->num_tests)
			return -EOPNOTSUPP;
		return bp->num_tests;
519 520 521 522 523
	default:
		return -EOPNOTSUPP;
	}
}

524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
static bool is_rx_ring(struct bnxt *bp, int ring_num)
{
	return ring_num < bp->rx_nr_rings;
}

static bool is_tx_ring(struct bnxt *bp, int ring_num)
{
	int tx_base = 0;

	if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
		tx_base = bp->rx_nr_rings;

	if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
		return true;
	return false;
}

541 542 543 544 545
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);
546
	u32 tpa_stats;
547

548
	if (!bp->bnapi) {
549
		j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
550 551
		goto skip_ring_stats;
	}
552

553 554 555
	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
		bnxt_sw_func_stats[i].counter = 0;

556
	tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
557 558 559
	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;
560
		u64 *sw_stats = cpr->stats.sw_stats;
561
		u64 *sw;
562 563
		int k;

564 565
		if (is_rx_ring(bp, i)) {
			for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
566
				buf[j] = sw_stats[k];
567 568 569 570 571
		}
		if (is_tx_ring(bp, i)) {
			k = NUM_RING_RX_HW_STATS;
			for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
			       j++, k++)
572
				buf[j] = sw_stats[k];
573 574 575 576 577 578 579
		}
		if (!tpa_stats || !is_rx_ring(bp, i))
			goto skip_tpa_ring_stats;

		k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
		for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
			   tpa_stats; j++, k++)
580
			buf[j] = sw_stats[k];
581

582
skip_tpa_ring_stats:
583
		sw = (u64 *)&cpr->sw_stats.rx;
584 585 586 587
		if (is_rx_ring(bp, i)) {
			for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
				buf[j] = sw[k];
		}
588 589

		sw = (u64 *)&cpr->sw_stats.cmn;
590
		for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
591
			buf[j] = sw[k];
592 593

		bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
594
			BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
595
		bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
596
			BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
597
	}
598 599 600 601

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

602
skip_ring_stats:
603
	if (bp->flags & BNXT_FLAG_PORT_STATS) {
604
		u64 *port_stats = bp->port_stats.sw_stats;
605

606 607
		for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
			buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
608
	}
609
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
610 611
		u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
		u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
612

613
		for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
614 615
			buf[j] = *(rx_port_stats_ext +
				   bnxt_port_stats_ext_arr[i].offset);
616
		}
617
		for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
618 619
			buf[j] = *(tx_port_stats_ext +
				   bnxt_tx_port_stats_ext_arr[i].offset);
620
		}
621 622 623
		if (bp->pri2cos_valid) {
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_bytes_pri_arr[i].base_off +
624
					 bp->pri2cos_idx[i];
625

626
				buf[j] = *(rx_port_stats_ext + n);
627 628 629
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_pkts_pri_arr[i].base_off +
630
					 bp->pri2cos_idx[i];
631

632
				buf[j] = *(rx_port_stats_ext + n);
633 634 635
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_bytes_pri_arr[i].base_off +
636
					 bp->pri2cos_idx[i];
637

638
				buf[j] = *(tx_port_stats_ext + n);
639 640 641
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_pkts_pri_arr[i].base_off +
642
					 bp->pri2cos_idx[i];
643

644
				buf[j] = *(tx_port_stats_ext + n);
645 646
			}
		}
647
	}
648 649 650 651 652
}

static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
653
	static const char * const *str;
654
	u32 i, j, num_str;
655 656 657 658

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < bp->cp_nr_rings; i++) {
659 660 661 662 663 664 665
			if (is_rx_ring(bp, i)) {
				num_str = NUM_RING_RX_HW_STATS;
				for (j = 0; j < num_str; j++) {
					sprintf(buf, "[%d]: %s", i,
						bnxt_ring_rx_stats_str[j]);
					buf += ETH_GSTRING_LEN;
				}
666
			}
667 668 669 670 671 672 673
			if (is_tx_ring(bp, i)) {
				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;
				}
674 675
			}
			num_str = bnxt_get_num_tpa_ring_stats(bp);
676
			if (!num_str || !is_rx_ring(bp, i))
677 678
				goto skip_tpa_stats;

679
			if (bp->max_tpa_v2)
680
				str = bnxt_ring_tpa2_stats_str;
681
			else
682
				str = bnxt_ring_tpa_stats_str;
683

684
			for (j = 0; j < num_str; j++) {
685
				sprintf(buf, "[%d]: %s", i, str[j]);
686 687 688
				buf += ETH_GSTRING_LEN;
			}
skip_tpa_stats:
689 690 691 692 693 694 695
			if (is_rx_ring(bp, i)) {
				num_str = NUM_RING_RX_SW_STATS;
				for (j = 0; j < num_str; j++) {
					sprintf(buf, "[%d]: %s", i,
						bnxt_rx_sw_stats_str[j]);
					buf += ETH_GSTRING_LEN;
				}
696
			}
697
			num_str = NUM_RING_CMN_SW_STATS;
698 699
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
700
					bnxt_cmn_sw_stats_str[j]);
701 702
				buf += ETH_GSTRING_LEN;
			}
703
		}
704 705 706 707 708
		for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
			strcpy(buf, bnxt_sw_func_stats[i].string);
			buf += ETH_GSTRING_LEN;
		}

709 710 711 712 713 714
		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;
			}
		}
715
		if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
716
			for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
717 718 719
				strcpy(buf, bnxt_port_stats_ext_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
720 721 722 723 724
			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;
			}
725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
			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;
				}
			}
747
		}
748
		break;
749 750 751 752 753
	case ETH_SS_TEST:
		if (bp->num_tests)
			memcpy(buf, bp->test_info->string,
			       bp->num_tests * ETH_GSTRING_LEN);
		break;
754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801
	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);
802
	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
803
	int max_rx_rings, max_tx_rings, tcs;
804 805 806
	int max_tx_sch_inputs;

	/* Get the most up-to-date max_tx_sch_inputs. */
807
	if (netif_running(dev) && BNXT_NEW_RM(bp))
808 809
		bnxt_hwrm_func_resc_qcaps(bp, false);
	max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
810

811
	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
812 813
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
814
	channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
815

816 817 818 819
	if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
		max_rx_rings = 0;
		max_tx_rings = 0;
	}
820 821
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
822

823 824 825 826 827 828 829
	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;
830 831
	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
		channel->combined_count = bp->rx_nr_rings;
832 833
		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
			channel->combined_count--;
834
	} else {
835 836 837 838
		if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
			channel->rx_count = bp->rx_nr_rings;
			channel->tx_count = bp->tx_nr_rings_per_tc;
		}
839
	}
840 841 842 843 844 845
}

static int bnxt_set_channels(struct net_device *dev,
			     struct ethtool_channels *channel)
{
	struct bnxt *bp = netdev_priv(dev);
846
	int req_tx_rings, req_rx_rings, tcs;
847
	bool sh = false;
848
	int tx_xdp = 0;
849
	int rc = 0;
850

851
	if (channel->other_count)
852 853
		return -EINVAL;

854 855 856 857 858 859 860 861
	if (!channel->combined_count &&
	    (!channel->rx_count || !channel->tx_count))
		return -EINVAL;

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

862 863 864 865
	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
					    channel->tx_count))
		return -EINVAL;

866 867 868
	if (channel->combined_count)
		sh = true;

869 870
	tcs = netdev_get_num_tc(dev);

871
	req_tx_rings = sh ? channel->combined_count : channel->tx_count;
872
	req_rx_rings = sh ? channel->combined_count : channel->rx_count;
873 874 875 876 877 878 879
	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;
	}
880
	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
881 882 883
	if (rc) {
		netdev_warn(dev, "Unable to allocate the requested rings\n");
		return rc;
884 885
	}

886 887 888 889 890 891 892
	if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
	    bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
	    (dev->priv_flags & IFF_RXFH_CONFIGURED)) {
		netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
		return -EINVAL;
	}

893 894 895 896 897 898 899 900 901 902 903 904 905 906
	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;
		}
	}

907 908
	if (sh) {
		bp->flags |= BNXT_FLAG_SHARED_RINGS;
909 910
		bp->rx_nr_rings = channel->combined_count;
		bp->tx_nr_rings_per_tc = channel->combined_count;
911 912 913 914 915
	} else {
		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
		bp->rx_nr_rings = channel->rx_count;
		bp->tx_nr_rings_per_tc = channel->tx_count;
	}
916 917
	bp->tx_nr_rings_xdp = tx_xdp;
	bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
918
	if (tcs > 1)
919
		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
920 921 922 923

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

924 925
	/* After changing number of rx channels, update NTUPLE feature. */
	netdev_update_features(dev);
926 927 928 929 930 931 932
	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
			 */
		}
933
	} else {
934
		rc = bnxt_reserve_rings(bp, true);
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973
	}

	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;

974
	if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991
		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;
992 993 994 995 996 997 998
	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;
999

1000 1001
		fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
		fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
1002

1003 1004
		fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
		fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
1005

1006 1007
		fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
		fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
1008

1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
		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);
	}
1035 1036 1037 1038 1039 1040 1041 1042 1043

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

fltr_err:
	rcu_read_unlock();

	return rc;
}
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
#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;
1074
		fallthrough;
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
	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;
1093
		fallthrough;
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 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183
	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;
}
1184 1185 1186 1187 1188 1189 1190 1191

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) {
1192
#ifdef CONFIG_RFS_ACCEL
1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
	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;
1209 1210 1211 1212 1213
#endif

	case ETHTOOL_GRXFH:
		rc = bnxt_grxfh(bp, cmd);
		break;
1214 1215 1216 1217 1218 1219 1220 1221

	default:
		rc = -EOPNOTSUPP;
		break;
	}

	return rc;
}
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238

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;
}
1239

1240
u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1241
{
1242 1243 1244 1245
	struct bnxt *bp = netdev_priv(dev);

	if (bp->flags & BNXT_FLAG_CHIP_P5)
		return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257
	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);
1258
	struct bnxt_vnic_info *vnic;
1259
	u32 i, tbl_size;
1260 1261 1262 1263

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

1264 1265 1266 1267
	if (!bp->vnic_info)
		return 0;

	vnic = &bp->vnic_info[0];
1268 1269 1270 1271
	if (indir && bp->rss_indir_tbl) {
		tbl_size = bnxt_get_rxfh_indir_size(dev);
		for (i = 0; i < tbl_size; i++)
			indir[i] = bp->rss_indir_tbl[i];
1272
	}
1273

1274
	if (key && vnic->rss_hash_key)
1275 1276 1277 1278 1279
		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);

	return 0;
}

1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir,
			 const u8 *key, const u8 hfunc)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc = 0;

	if (hfunc && hfunc != ETH_RSS_HASH_TOP)
		return -EOPNOTSUPP;

	if (key)
		return -EOPNOTSUPP;

	if (indir) {
		u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);

		for (i = 0; i < tbl_size; i++)
			bp->rss_indir_tbl[i] = indir[i];
		pad = bp->rss_indir_tbl_entries - tbl_size;
		if (pad)
			memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
	}

	if (netif_running(bp->dev)) {
		bnxt_close_nic(bp, false, false);
		rc = bnxt_open_nic(bp, false, false);
	}
	return rc;
}

1309 1310 1311 1312 1313 1314
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));
1315
	strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1316
	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1317
	info->n_stats = bnxt_get_num_stats(bp);
1318
	info->testinfo_len = bp->num_tests;
1319 1320 1321 1322 1323 1324
	/* TODO CHIMP_FW: eeprom dump details */
	info->eedump_len = 0;
	/* TODO CHIMP FW: reg dump details */
	info->regdump_len = 0;
}

1325 1326 1327 1328 1329
static int bnxt_get_regs_len(struct net_device *dev)
{
	struct bnxt *bp = netdev_priv(dev);
	int reg_len;

1330 1331 1332
	if (!BNXT_PF(bp))
		return -EOPNOTSUPP;

1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380
	reg_len = BNXT_PXP_REG_LEN;

	if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)
		reg_len += sizeof(struct pcie_ctx_hw_stats);

	return reg_len;
}

static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
			  void *_p)
{
	struct pcie_ctx_hw_stats *hw_pcie_stats;
	struct hwrm_pcie_qstats_input req = {0};
	struct bnxt *bp = netdev_priv(dev);
	dma_addr_t hw_pcie_stats_addr;
	int rc;

	regs->version = 0;
	bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p);

	if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED))
		return;

	hw_pcie_stats = dma_alloc_coherent(&bp->pdev->dev,
					   sizeof(*hw_pcie_stats),
					   &hw_pcie_stats_addr, GFP_KERNEL);
	if (!hw_pcie_stats)
		return;

	regs->version = 1;
	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PCIE_QSTATS, -1, -1);
	req.pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats));
	req.pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (!rc) {
		__le64 *src = (__le64 *)hw_pcie_stats;
		u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
		int i;

		for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
			dst[i] = le64_to_cpu(src[i]);
	}
	mutex_unlock(&bp->hwrm_cmd_lock);
	dma_free_coherent(&bp->pdev->dev, sizeof(*hw_pcie_stats), hw_pcie_stats,
			  hw_pcie_stats_addr);
}

1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
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;
	}
}

1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419
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;
}

M
Michael Chan 已提交
1420
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434
{
	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)
1435
		speed_mask |= ADVERTISED_40000baseCR4_Full;
1436 1437 1438 1439 1440 1441 1442 1443

	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;

1444 1445 1446
	return speed_mask;
}

1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466
#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);\
1467 1468 1469
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100000baseCR4_Full);\
1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
	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;		\
1506 1507 1508
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;		\
1509 1510
}

1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
#define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name)	\
{									\
	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB)		\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     50000baseCR_Full);	\
	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB)		\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100000baseCR2_Full);\
	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB)		\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     200000baseCR4_Full);\
}

#define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name)	\
{									\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  50000baseCR_Full))	\
		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100000baseCR2_Full))	\
		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB;		\
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  200000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB;		\
}

1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557
static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
{
	u16 fec_cfg = link_info->fec_cfg;

	if ((fec_cfg & BNXT_FEC_NONE) || !(fec_cfg & BNXT_FEC_AUTONEG)) {
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
				 lk_ksettings->link_modes.advertising);
		return;
	}
	if (fec_cfg & BNXT_FEC_ENC_BASE_R)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
				 lk_ksettings->link_modes.advertising);
	if (fec_cfg & BNXT_FEC_ENC_RS)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
				 lk_ksettings->link_modes.advertising);
	if (fec_cfg & BNXT_FEC_ENC_LLRS)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
				 lk_ksettings->link_modes.advertising);
}

1558 1559
static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1560
{
1561
	u16 fw_speeds = link_info->advertising;
1562 1563 1564 1565 1566
	u8 fw_pause = 0;

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

1567
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1568 1569
	fw_speeds = link_info->advertising_pam4;
	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising);
1570
	bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings);
1571 1572
}

1573 1574
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1575 1576 1577 1578 1579 1580 1581
{
	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;

1582 1583
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
				lp_advertising);
1584 1585
	fw_speeds = link_info->lp_auto_pam4_link_speeds;
	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising);
1586 1587
}

1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608
static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
{
	u16 fec_cfg = link_info->fec_cfg;

	if (fec_cfg & BNXT_FEC_NONE) {
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
				 lk_ksettings->link_modes.supported);
		return;
	}
	if (fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
				 lk_ksettings->link_modes.supported);
	if (fec_cfg & BNXT_FEC_ENC_RS_CAP)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
				 lk_ksettings->link_modes.supported);
	if (fec_cfg & BNXT_FEC_ENC_LLRS_CAP)
		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
				 lk_ksettings->link_modes.supported);
}

1609 1610
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1611 1612 1613
{
	u16 fw_speeds = link_info->support_speeds;

1614
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1615 1616
	fw_speeds = link_info->support_pam4_speeds;
	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported);
1617

1618 1619 1620
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
					     Asym_Pause);
1621

1622 1623
	if (link_info->support_auto_speeds ||
	    link_info->support_pam4_auto_speeds)
1624 1625
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     Autoneg);
1626
	bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings);
1627 1628
}

1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647
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;
1648 1649
	case BNXT_LINK_SPEED_100GB:
		return SPEED_100000;
1650 1651 1652 1653 1654
	default:
		return SPEED_UNKNOWN;
	}
}

1655 1656
static int bnxt_get_link_ksettings(struct net_device *dev,
				   struct ethtool_link_ksettings *lk_ksettings)
1657 1658 1659
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1660 1661
	struct ethtool_link_settings *base = &lk_ksettings->base;
	u32 ethtool_speed;
1662

1663
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1664
	mutex_lock(&bp->link_lock);
1665
	bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1666

1667
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1668
	if (link_info->autoneg) {
1669 1670 1671 1672
		bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
		ethtool_link_ksettings_add_link_mode(lk_ksettings,
						     advertising, Autoneg);
		base->autoneg = AUTONEG_ENABLE;
1673 1674
		base->duplex = DUPLEX_UNKNOWN;
		if (link_info->phy_link_status == BNXT_LINK_LINK) {
1675
			bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1676 1677 1678 1679 1680
			if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
				base->duplex = DUPLEX_FULL;
			else
				base->duplex = DUPLEX_HALF;
		}
1681
		ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1682
	} else {
1683
		base->autoneg = AUTONEG_DISABLE;
1684 1685
		ethtool_speed =
			bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1686
		base->duplex = DUPLEX_HALF;
1687
		if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1688
			base->duplex = DUPLEX_FULL;
1689
	}
1690
	base->speed = ethtool_speed;
1691

1692
	base->port = PORT_NONE;
1693
	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1694 1695 1696 1697 1698
		base->port = PORT_TP;
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     TP);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     TP);
1699
	} else {
1700 1701 1702 1703
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     FIBRE);
1704 1705

		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1706
			base->port = PORT_DA;
1707 1708
		else if (link_info->media_type ==
			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1709
			base->port = PORT_FIBRE;
1710
	}
1711
	base->phy_address = link_info->phy_addr;
1712
	mutex_unlock(&bp->link_lock);
1713 1714 1715 1716

	return 0;
}

1717
static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed)
1718
{
1719 1720
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1721
	u16 support_pam4_spds = link_info->support_pam4_speeds;
1722
	u16 support_spds = link_info->support_speeds;
1723
	u8 sig_mode = BNXT_SIG_MODE_NRZ;
1724
	u16 fw_speed = 0;
1725

1726 1727
	switch (ethtool_speed) {
	case SPEED_100:
1728
		if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1729
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB;
1730
		break;
1731
	case SPEED_1000:
1732
		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1733
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
1734
		break;
1735
	case SPEED_2500:
1736
		if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1737
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB;
1738
		break;
1739
	case SPEED_10000:
1740
		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1741
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
1742
		break;
1743
	case SPEED_20000:
1744
		if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1745
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB;
1746
		break;
1747
	case SPEED_25000:
1748
		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1749
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
1750
		break;
1751
	case SPEED_40000:
1752
		if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1753
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
1754
		break;
1755
	case SPEED_50000:
1756
		if (support_spds & BNXT_LINK_SPEED_MSK_50GB) {
1757
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
1758 1759 1760 1761
		} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) {
			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB;
			sig_mode = BNXT_SIG_MODE_PAM4;
		}
1762
		break;
1763
	case SPEED_100000:
1764
		if (support_spds & BNXT_LINK_SPEED_MSK_100GB) {
1765
			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
1766 1767 1768 1769 1770 1771 1772 1773 1774 1775
		} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) {
			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB;
			sig_mode = BNXT_SIG_MODE_PAM4;
		}
		break;
	case SPEED_200000:
		if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) {
			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB;
			sig_mode = BNXT_SIG_MODE_PAM4;
		}
1776
		break;
1777 1778 1779
	}

	if (!fw_speed) {
1780
		netdev_err(dev, "unsupported speed!\n");
1781
		return -EINVAL;
1782
	}
1783

1784 1785 1786 1787 1788
	if (link_info->req_link_speed == fw_speed &&
	    link_info->req_signal_mode == sig_mode &&
	    link_info->autoneg == 0)
		return -EALREADY;

1789
	link_info->req_link_speed = fw_speed;
1790
	link_info->req_signal_mode = sig_mode;
1791 1792 1793
	link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
	link_info->autoneg = 0;
	link_info->advertising = 0;
1794
	link_info->advertising_pam4 = 0;
1795 1796

	return 0;
1797 1798
}

M
Michael Chan 已提交
1799
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814
{
	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;

1815 1816 1817
	if (advertising & ADVERTISED_40000baseCR4_Full)
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;

1818 1819 1820
	return fw_speed_mask;
}

1821 1822
static int bnxt_set_link_ksettings(struct net_device *dev,
			   const struct ethtool_link_ksettings *lk_ksettings)
1823 1824 1825
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1826
	const struct ethtool_link_settings *base = &lk_ksettings->base;
1827
	bool set_pause = false;
1828
	u32 speed;
1829
	int rc = 0;
1830

1831
	if (!BNXT_PHY_CFG_ABLE(bp))
1832
		return -EOPNOTSUPP;
1833

1834
	mutex_lock(&bp->link_lock);
1835
	if (base->autoneg == AUTONEG_ENABLE) {
1836 1837 1838
		link_info->advertising = 0;
		link_info->advertising_pam4 = 0;
		BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings,
1839
					advertising);
1840 1841
		BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4,
					     lk_ksettings, advertising);
1842
		link_info->autoneg |= BNXT_AUTONEG_SPEED;
1843
		if (!link_info->advertising && !link_info->advertising_pam4) {
1844
			link_info->advertising = link_info->support_auto_speeds;
1845 1846 1847
			link_info->advertising_pam4 =
				link_info->support_pam4_auto_speeds;
		}
1848 1849 1850 1851 1852
		/* any change to autoneg will cause link change, therefore the
		 * driver should put back the original pause setting in autoneg
		 */
		set_pause = true;
	} else {
1853
		u8 phy_type = link_info->phy_type;
1854

1855 1856 1857 1858 1859 1860 1861
		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;
		}
1862
		if (base->duplex == DUPLEX_HALF) {
1863 1864 1865 1866
			netdev_err(dev, "HALF DUPLEX is not supported!\n");
			rc = -EINVAL;
			goto set_setting_exit;
		}
1867
		speed = base->speed;
1868
		rc = bnxt_force_link_speed(dev, speed);
1869 1870 1871
		if (rc) {
			if (rc == -EALREADY)
				rc = 0;
1872
			goto set_setting_exit;
1873
		}
1874 1875 1876
	}

	if (netif_running(dev))
M
Michael Chan 已提交
1877
		rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1878 1879

set_setting_exit:
1880
	mutex_unlock(&bp->link_lock);
1881 1882 1883
	return rc;
}

1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926
static int bnxt_get_fecparam(struct net_device *dev,
			     struct ethtool_fecparam *fec)
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info;
	u8 active_fec;
	u16 fec_cfg;

	link_info = &bp->link_info;
	fec_cfg = link_info->fec_cfg;
	active_fec = link_info->active_fec_sig_mode &
		     PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK;
	if (fec_cfg & BNXT_FEC_NONE) {
		fec->fec = ETHTOOL_FEC_NONE;
		fec->active_fec = ETHTOOL_FEC_NONE;
		return 0;
	}
	if (fec_cfg & BNXT_FEC_AUTONEG)
		fec->fec |= ETHTOOL_FEC_AUTO;
	if (fec_cfg & BNXT_FEC_ENC_BASE_R)
		fec->fec |= ETHTOOL_FEC_BASER;
	if (fec_cfg & BNXT_FEC_ENC_RS)
		fec->fec |= ETHTOOL_FEC_RS;
	if (fec_cfg & BNXT_FEC_ENC_LLRS)
		fec->fec |= ETHTOOL_FEC_LLRS;

	switch (active_fec) {
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE:
		fec->active_fec |= ETHTOOL_FEC_BASER;
		break;
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE:
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE:
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE:
		fec->active_fec |= ETHTOOL_FEC_RS;
		break;
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE:
	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE:
		fec->active_fec |= ETHTOOL_FEC_LLRS;
		break;
	}
	return 0;
}

1927 1928 1929 1930 1931 1932 1933 1934
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;
1935
	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1936 1937
	epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1938 1939
}

J
Jakub Kicinski 已提交
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
static void bnxt_get_pause_stats(struct net_device *dev,
				 struct ethtool_pause_stats *epstat)
{
	struct bnxt *bp = netdev_priv(dev);
	u64 *rx, *tx;

	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
		return;

	rx = bp->port_stats.sw_stats;
	tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;

	epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames);
	epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames);
}

1956 1957 1958 1959 1960 1961 1962
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;

1963
	if (!BNXT_PHY_CFG_ABLE(bp))
1964
		return -EOPNOTSUPP;
1965

1966
	mutex_lock(&bp->link_lock);
1967
	if (epause->autoneg) {
1968 1969 1970 1971
		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
			rc = -EINVAL;
			goto pause_exit;
		}
1972

1973
		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1974 1975 1976
		if (bp->hwrm_spec_code >= 0x10201)
			link_info->req_flow_ctrl =
				PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1977 1978 1979 1980 1981 1982 1983
	} 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;
1984
		link_info->req_flow_ctrl = 0;
1985 1986 1987 1988 1989 1990 1991
	}
	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;

1992
	if (netif_running(dev))
1993
		rc = bnxt_hwrm_set_pause(bp);
1994 1995 1996

pause_exit:
	mutex_unlock(&bp->link_lock);
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
	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;
}

2008 2009 2010 2011 2012
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");
}

2013 2014 2015 2016
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
				u16 ext, u16 *index, u32 *item_length,
				u32 *data_length);

2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051
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);

2052
	if (rc == -EACCES)
2053
		bnxt_print_admin_err(bp);
2054 2055 2056
	return rc;
}

2057 2058
static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
				    u8 self_reset, u8 flags)
2059 2060
{
	struct hwrm_fw_reset_input req = {0};
2061 2062
	struct bnxt *bp = netdev_priv(dev);
	int rc;
2063 2064 2065

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

2066 2067 2068 2069
	req.embedded_proc_type = proc_type;
	req.selfrst_status = self_reset;
	req.flags = flags;

2070 2071 2072 2073 2074 2075 2076 2077
	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);
	}
2078 2079 2080
	return rc;
}

2081 2082
static int bnxt_firmware_reset(struct net_device *dev,
			       enum bnxt_nvm_directory_type dir_type)
2083 2084 2085 2086
{
	u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
	u8 proc_type, flags = 0;

2087 2088 2089 2090 2091 2092
	/* 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:
2093
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
2094
		/* Self-reset ChiMP upon next PCIe reset: */
2095
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2096 2097 2098
		break;
	case BNX_DIR_TYPE_APE_FW:
	case BNX_DIR_TYPE_APE_PATCH:
2099
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
2100
		/* Self-reset APE upon next PCIe reset: */
2101
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2102 2103 2104
		break;
	case BNX_DIR_TYPE_KONG_FW:
	case BNX_DIR_TYPE_KONG_PATCH:
2105
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
2106 2107 2108
		break;
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
2109
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
2110 2111 2112 2113 2114
		break;
	default:
		return -EINVAL;
	}

2115
	return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
2116 2117
}

2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138
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);
}

2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154
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;
2155 2156 2157
	case BNX_DIR_TYPE_CHIMP_PATCH:
		code_type = CODE_CHIMP_PATCH;
		break;
2158 2159 2160
	case BNX_DIR_TYPE_APE_FW:
		code_type = CODE_MCTP_PASSTHRU;
		break;
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175
	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;
2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212
	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);
2213 2214 2215
	if (rc == 0)	/* Firmware update successful */
		rc = bnxt_firmware_reset(dev, dir_type);

2216 2217 2218
	return rc;
}

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 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269
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;
}

2270 2271 2272 2273 2274 2275 2276 2277 2278 2279
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:
2280 2281
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
2282 2283 2284 2285 2286 2287
		return true;
	}

	return false;
}

2288
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308
{
	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) ||
2309
		bnxt_dir_type_is_other_exec_format(dir_type);
2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324
}

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;
	}
2325
	if (bnxt_dir_type_is_ape_bin_format(dir_type))
2326
		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2327
	else if (bnxt_dir_type_is_other_exec_format(dir_type))
2328
		rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2329 2330 2331 2332 2333 2334 2335
	else
		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
				      0, 0, fw->data, fw->size);
	release_firmware(fw);
	return rc;
}

2336 2337
int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
				 u32 install_type)
2338
{
2339 2340 2341 2342 2343
	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;
2344
	int rc = 0;
2345 2346 2347 2348
	u16 index;

	bnxt_hwrm_fw_set_time(bp);

2349 2350 2351 2352
	rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
				  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
				  &index, &item_len, NULL);
	if (rc) {
2353
		netdev_err(dev, "PKG update area not created in nvram\n");
2354
		return rc;
2355 2356 2357 2358 2359 2360 2361 2362 2363 2364
	}

	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) {
2365
		netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388
			   (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);

2389 2390
			rc = hwrm_send_message(bp, &modify, sizeof(modify),
					       FLASH_PACKAGE_TIMEOUT);
2391 2392 2393 2394 2395
			dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
					  dma_handle);
		}
	}
	release_firmware(fw);
2396
	if (rc)
2397
		goto err_exit;
2398 2399 2400 2401 2402 2403

	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);

2404
	mutex_lock(&bp->hwrm_cmd_lock);
2405 2406 2407
	rc = _hwrm_send_message(bp, &install, sizeof(install),
				INSTALL_PACKAGE_TIMEOUT);
	if (rc) {
2408 2409
		u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;

2410 2411
		if (resp->error_code && error_code ==
		    NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2412 2413
			install.flags |= cpu_to_le16(
			       NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2414 2415
			rc = _hwrm_send_message(bp, &install, sizeof(install),
						INSTALL_PACKAGE_TIMEOUT);
2416
		}
2417
		if (rc)
2418
			goto flash_pkg_exit;
2419
	}
2420 2421 2422 2423

	if (resp->result) {
		netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
			   (s8)resp->result, (int)resp->problem_item);
2424
		rc = -ENOPKG;
2425
	}
2426 2427
flash_pkg_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
2428
err_exit:
2429
	if (rc == -EACCES)
2430
		bnxt_print_admin_err(bp);
2431
	return rc;
2432 2433 2434 2435 2436 2437 2438 2439 2440 2441
}

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;
	}

2442 2443 2444 2445
	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
	    flash->region > 0xffff)
		return bnxt_flash_package_from_file(dev, flash->data,
						    flash->region);
2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470

	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)
{
2471 2472 2473 2474 2475
	struct bnxt *bp = netdev_priv(dev);

	if (BNXT_VF(bp))
		return 0;

2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496
	/* 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;

2497 2498 2499
	if (!dir_entries || !entry_length)
		return -EIO;

2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534
	/* 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};

2535 2536 2537
	if (!length)
		return -EINVAL;

2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557
	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;
}

2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
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;
2574 2575
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2576 2577 2578 2579 2580 2581 2582 2583
	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);
	}
2584
	mutex_unlock(&bp->hwrm_cmd_lock);
2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620
	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;
}

2621
static void bnxt_get_pkgver(struct net_device *dev)
2622
{
2623
	struct bnxt *bp = netdev_priv(dev);
2624
	u16 index = 0;
2625 2626 2627 2628
	char *pkgver;
	u32 pkglen;
	u8 *pkgbuf;
	int len;
2629 2630 2631

	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2632 2633
				 &index, NULL, &pkglen) != 0)
		return;
2634

2635 2636 2637 2638 2639 2640 2641 2642 2643
	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;
2644

2645 2646 2647 2648 2649 2650 2651 2652 2653
	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);
2654 2655
}

2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 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 2691 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 2717
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: */
2718
	if (bnxt_dir_type_is_executable(type))
2719
		return -EOPNOTSUPP;
2720 2721 2722 2723 2724 2725 2726 2727
	ext = eeprom->magic & 0xffff;
	ordinal = eeprom->offset >> 16;
	attr = eeprom->offset & 0xffff;

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

2728 2729 2730 2731 2732
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;
2733
	u32 advertising;
2734 2735
	int rc = 0;

2736
	if (!BNXT_PHY_CFG_ABLE(bp))
2737
		return -EOPNOTSUPP;
2738 2739 2740 2741

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

2742 2743
	mutex_lock(&bp->link_lock);
	advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2744 2745 2746 2747 2748
	if (!edata->eee_enabled)
		goto eee_ok;

	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
		netdev_warn(dev, "EEE requires autoneg\n");
2749 2750
		rc = -EINVAL;
		goto eee_exit;
2751 2752 2753 2754 2755 2756
	}
	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);
2757 2758
			rc = -EINVAL;
			goto eee_exit;
2759 2760 2761 2762 2763 2764 2765 2766 2767
		} 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);
2768 2769
		rc = -EINVAL;
		goto eee_exit;
2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780
	}

	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);

2781 2782
eee_exit:
	mutex_unlock(&bp->link_lock);
2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807
	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;
}

2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843
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)
{
2844
	u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859
	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;

2860 2861 2862
	rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
					      SFF_DIAG_SUPPORT_OFFSET + 1,
					      data);
2863
	if (!rc) {
2864 2865
		u8 module_id = data[0];
		u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2866 2867 2868 2869 2870

		switch (module_id) {
		case SFF_MODULE_ID_SFP:
			modinfo->type = ETH_MODULE_SFF_8472;
			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2871 2872
			if (!diag_supported)
				modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896
			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;
2897
	int rc = 0;
2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916

	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;
2917 2918
		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
						      start, length, data);
2919 2920 2921 2922
	}
	return rc;
}

2923 2924 2925 2926 2927 2928 2929
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;

2930
	if (!BNXT_PHY_CFG_ABLE(bp))
2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941
		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;
}

2942 2943 2944 2945 2946 2947 2948 2949 2950
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;
2951
	int i;
2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976

	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;
	}
2977
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2978 2979
}

2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002
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;
}

3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016
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);
}

3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032
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;
}

3033 3034 3035 3036
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;
3037
	u16 fw_advertising;
3038 3039 3040
	u16 fw_speed;
	int rc;

3041 3042
	if (!link_info->autoneg ||
	    (bp->test_info->flags & BNXT_TEST_FL_AN_PHY_LPBK))
3043 3044
		return 0;

3045 3046 3047 3048
	rc = bnxt_query_force_speeds(bp, &fw_advertising);
	if (rc)
		return rc;

3049
	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
3050
	if (bp->link_info.link_up)
3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069
		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;
}

3070
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
3071 3072 3073 3074 3075 3076 3077
{
	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);
3078 3079 3080 3081
		if (ext)
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
		else
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
3082 3083 3084 3085 3086 3087 3088
	} 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);
}

3089
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
3090 3091
			    u32 raw_cons, int pkt_size)
{
3092 3093
	struct bnxt_napi *bnapi = cpr->bnapi;
	struct bnxt_rx_ring_info *rxr;
3094 3095 3096 3097 3098 3099 3100
	struct bnxt_sw_rx_bd *rx_buf;
	struct rx_cmp *rxcmp;
	u16 cp_cons, cons;
	u8 *data;
	u32 len;
	int i;

3101
	rxr = bnapi->rx_ring;
3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121
	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;
}

3122 3123
static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
			      int pkt_size)
3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145
{
	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) {
3146
			rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159
			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];
3160
	struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
3161
	struct bnxt_cp_ring_info *cpr;
3162 3163 3164 3165 3166 3167
	int pkt_size, i = 0;
	struct sk_buff *skb;
	dma_addr_t map;
	u8 *data;
	int rc;

3168 3169 3170
	cpr = &rxr->bnapi->cp_ring;
	if (bp->flags & BNXT_FLAG_CHIP_P5)
		cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188
	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;
	}
3189
	bnxt_xmit_bd(bp, txr, map, pkt_size);
3190 3191 3192 3193

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

M
Michael Chan 已提交
3194
	bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
3195
	rc = bnxt_poll_loopback(bp, cpr, pkt_size);
3196 3197 3198 3199 3200 3201

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

3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217
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;
}

3218
#define BNXT_DRV_TESTS			4
3219
#define BNXT_MACLPBK_TEST_IDX		(bp->num_tests - BNXT_DRV_TESTS)
3220
#define BNXT_PHYLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 1)
3221 3222
#define BNXT_EXTLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 3)
3223 3224 3225 3226 3227

static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
			   u64 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
3228
	bool do_ext_lpbk = false;
3229 3230 3231
	bool offline = false;
	u8 test_results = 0;
	u8 test_mask = 0;
3232
	int rc = 0, i;
3233 3234 3235 3236 3237 3238 3239 3240 3241

	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;
	}

3242 3243 3244 3245
	if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
	    (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
		do_ext_lpbk = true;

3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
	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);
3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285

		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);
3286
		bnxt_hwrm_phy_loopback(bp, true, false);
3287 3288 3289 3290 3291
		msleep(1000);
		if (bnxt_run_loopback(bp)) {
			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
3292 3293 3294 3295 3296 3297 3298 3299 3300 3301
		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);
3302
		bnxt_half_close_nic(bp);
3303
		rc = bnxt_open_nic(bp, false, true);
3304
	}
3305
	if (rc || bnxt_test_irq(bp)) {
3306 3307 3308
		buf[BNXT_IRQ_TEST_IDX] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
3309 3310 3311 3312 3313 3314 3315 3316 3317 3318
	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;
		}
	}
}

3319 3320 3321
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
	struct bnxt *bp = netdev_priv(dev);
3322
	bool reload = false;
3323 3324 3325 3326
	u32 req = *flags;

	if (!req)
		return -EINVAL;
3327 3328 3329 3330 3331 3332

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

3333 3334
	if (pci_vfs_assigned(bp->pdev) &&
	    !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3335 3336 3337 3338 3339
		netdev_err(dev,
			   "Reset not allowed when VFs are assigned to VMs\n");
		return -EBUSY;
	}

3340
	if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3341
		/* This feature is not supported in older firmware versions */
3342 3343 3344 3345
		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))
3346
					reload = true;
3347 3348 3349 3350
				*flags &= ~BNXT_FW_RESET_CHIP;
			}
		} else if (req == BNXT_FW_RESET_CHIP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3351
		}
3352
	}
S
Scott Branden 已提交
3353

3354 3355 3356 3357 3358
	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");
3359
				reload = true;
3360 3361 3362 3363
				*flags &= ~BNXT_FW_RESET_AP;
			}
		} else if (req == BNXT_FW_RESET_AP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3364
		}
3365 3366
	}

3367 3368 3369
	if (reload)
		netdev_info(dev, "Reload driver to complete reset\n");

3370
	return 0;
3371 3372
}

3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396
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);
3397 3398
		rc = _hwrm_send_message(bp, msg, msg_len,
					HWRM_COREDUMP_TIMEOUT);
3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421
		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;
			}
		}

3422 3423 3424 3425 3426 3427 3428 3429 3430
		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;
			}
		}
3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478

		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);

3479
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3480 3481 3482 3483
}

static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
					   u16 segment_id, u32 *seg_len,
3484
					   void *buf, u32 buf_len, u32 offset)
3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498
{
	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);
3499
	if (buf) {
3500
		info.dest_buf = buf + offset;
3501 3502 3503
		info.buf_len = buf_len;
		info.seg_start = offset;
	}
3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518

	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));
3519
	memcpy(seg_hdr->signature, "sEgM", 4);
3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550
	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));
3551
	memcpy(record->signature, "cOrE", 4);
3552 3553 3554 3555
	record->flags = 0;
	record->low_version = 0;
	record->high_version = 1;
	record->asic_state = 0;
3556 3557
	strlcpy(record->system_name, utsname()->nodename,
		sizeof(record->system_name));
3558 3559
	record->year = cpu_to_le16(tm.tm_year + 1900);
	record->month = cpu_to_le16(tm.tm_mon + 1);
3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571
	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);

3572
	strlcpy(record->os_name, utsname()->sysname, 32);
3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
	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);
3593
	u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3594 3595 3596 3597 3598 3599 3600
	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;

3601 3602 3603
	if (buf)
		buf_len = *dump_len;

3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
	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;

3636 3637 3638 3639 3640 3641
		if (buf && ((offset + seg_hdr_len) >
			    BNXT_COREDUMP_BUF_LEN(buf_len))) {
			rc = -ENOBUFS;
			goto err;
		}

3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653
		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,
3654
						     &seg_len, buf, buf_len,
3655
						     offset + seg_hdr_len);
3656 3657 3658
		if (rc && rc == -ENOBUFS)
			goto err;
		else if (rc)
3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681
			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:
3682 3683
	if (buf)
		bnxt_fill_coredump_record(bp, buf + offset, start_time,
3684 3685 3686
					  start_utc, coredump.total_segs + 1,
					  rc);
	kfree(coredump.data);
3687
	*dump_len += sizeof(struct bnxt_coredump_record);
3688
	if (rc == -ENOBUFS)
3689
		netdev_err(bp->dev, "Firmware returned large coredump buffer\n");
3690 3691 3692
	return rc;
}

3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710
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;
}

3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722
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;

3723 3724 3725 3726 3727 3728
	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;
3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740
}

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);

3741 3742 3743 3744 3745 3746 3747 3748 3749 3750
	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;
3751 3752
}

3753 3754 3755 3756 3757
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;
3758
	struct net_device *dev = bp->dev;
3759 3760
	int i, rc;

3761 3762
	if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
		bnxt_get_pkgver(dev);
3763

3764
	bp->num_tests = 0;
3765 3766 3767 3768 3769 3770 3771 3772 3773
	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;

3774 3775 3776
	test_info = bp->test_info;
	if (!test_info)
		test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792
	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;

3793 3794
		if (i == BNXT_MACLPBK_TEST_IDX) {
			strcpy(str, "Mac loopback test (offline)");
3795 3796
		} else if (i == BNXT_PHYLPBK_TEST_IDX) {
			strcpy(str, "Phy loopback test (offline)");
3797 3798
		} else if (i == BNXT_EXTLPBK_TEST_IDX) {
			strcpy(str, "Ext loopback test (offline)");
3799 3800
		} else if (i == BNXT_IRQ_TEST_IDX) {
			strcpy(str, "Interrupt_test (offline)");
3801 3802 3803 3804 3805 3806 3807 3808 3809 3810
		} 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));
		}
3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822
	}

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

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

3823
const struct ethtool_ops bnxt_ethtool_ops = {
3824 3825 3826 3827 3828 3829
	.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,
3830 3831
	.get_link_ksettings	= bnxt_get_link_ksettings,
	.set_link_ksettings	= bnxt_set_link_ksettings,
3832
	.get_fecparam		= bnxt_get_fecparam,
J
Jakub Kicinski 已提交
3833
	.get_pause_stats	= bnxt_get_pause_stats,
3834 3835 3836
	.get_pauseparam		= bnxt_get_pauseparam,
	.set_pauseparam		= bnxt_set_pauseparam,
	.get_drvinfo		= bnxt_get_drvinfo,
3837 3838
	.get_regs_len		= bnxt_get_regs_len,
	.get_regs		= bnxt_get_regs,
3839
	.get_wol		= bnxt_get_wol,
3840
	.set_wol		= bnxt_set_wol,
3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852
	.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,
3853
	.set_rxnfc		= bnxt_set_rxnfc,
3854 3855 3856
	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
	.get_rxfh               = bnxt_get_rxfh,
3857
	.set_rxfh		= bnxt_set_rxfh,
3858 3859 3860 3861 3862
	.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,
3863 3864
	.get_eee		= bnxt_get_eee,
	.set_eee		= bnxt_set_eee,
3865 3866
	.get_module_info	= bnxt_get_module_info,
	.get_module_eeprom	= bnxt_get_module_eeprom,
3867 3868
	.nway_reset		= bnxt_nway_reset,
	.set_phys_id		= bnxt_set_phys_id,
3869
	.self_test		= bnxt_self_test,
3870
	.reset			= bnxt_reset,
3871
	.set_dump		= bnxt_set_dump,
3872 3873
	.get_dump_flag		= bnxt_get_dump_flag,
	.get_dump_data		= bnxt_get_dump_data,
3874
};