bnxt_ethtool.c 98.6 KB
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/* Broadcom NetXtreme-C/E network driver.
 *
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 * Copyright (c) 2014-2016 Broadcom Corporation
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 * Copyright (c) 2016-2017 Broadcom Limited
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

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

	return bp->msg_enable;
}

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

	bp->msg_enable = value;
}

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

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

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

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	return 0;
}

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

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

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

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

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

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

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static const char * const bnxt_ring_rx_stats_str[] = {
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	"rx_ucast_packets",
	"rx_mcast_packets",
	"rx_bcast_packets",
	"rx_discards",
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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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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)) {
		if (bp->max_tpa_v2)
			return ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
		return ARRAY_SIZE(bnxt_ring_tpa_stats_str);
	}
	return 0;
}

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static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
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	int rx, tx, cmn;
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	bool sh = false;

	if (bp->flags & BNXT_FLAG_SHARED_RINGS)
		sh = true;
479

480 481 482 483
	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;
484 485 486 487 488
	if (sh)
		return (rx + tx + cmn) * bp->cp_nr_rings;
	else
		return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
		       cmn * bp->cp_nr_rings;
489 490
}

491 492
static int bnxt_get_num_stats(struct bnxt *bp)
{
493
	int num_stats = bnxt_get_num_ring_stats(bp);
494

495 496
	num_stats += BNXT_NUM_SW_FUNC_STATS;

497 498 499
	if (bp->flags & BNXT_FLAG_PORT_STATS)
		num_stats += BNXT_NUM_PORT_STATS;

500
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
501 502
		num_stats += bp->fw_rx_stats_ext_size +
			     bp->fw_tx_stats_ext_size;
503 504 505
		if (bp->pri2cos_valid)
			num_stats += BNXT_NUM_STATS_PRI;
	}
506

507 508 509
	return num_stats;
}

510 511 512 513 514
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
	struct bnxt *bp = netdev_priv(dev);

	switch (sset) {
515 516
	case ETH_SS_STATS:
		return bnxt_get_num_stats(bp);
517 518 519 520
	case ETH_SS_TEST:
		if (!bp->num_tests)
			return -EOPNOTSUPP;
		return bp->num_tests;
521 522 523 524 525
	default:
		return -EOPNOTSUPP;
	}
}

526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
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;
}

543 544 545 546 547
static void bnxt_get_ethtool_stats(struct net_device *dev,
				   struct ethtool_stats *stats, u64 *buf)
{
	u32 i, j = 0;
	struct bnxt *bp = netdev_priv(dev);
548
	u32 tpa_stats;
549

550
	if (!bp->bnapi) {
551
		j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
552 553
		goto skip_ring_stats;
	}
554

555 556 557
	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
		bnxt_sw_func_stats[i].counter = 0;

558
	tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
559 560 561
	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;
562 563
		struct ctx_hw_stats *hw = cpr->stats.hw_stats;
		__le64 *hw_stats = cpr->stats.hw_stats;
564
		u64 *sw;
565 566
		int k;

567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582
		if (is_rx_ring(bp, i)) {
			for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
				buf[j] = le64_to_cpu(hw_stats[k]);
		}
		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++)
				buf[j] = le64_to_cpu(hw_stats[k]);
		}
		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++)
583
			buf[j] = le64_to_cpu(hw_stats[k]);
584

585
skip_tpa_ring_stats:
586
		sw = (u64 *)&cpr->sw_stats.rx;
587 588 589 590
		if (is_rx_ring(bp, i)) {
			for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
				buf[j] = sw[k];
		}
591 592

		sw = (u64 *)&cpr->sw_stats.cmn;
593
		for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
594
			buf[j] = sw[k];
595 596

		bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
597
			le64_to_cpu(hw->rx_discard_pkts);
598
		bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
599
			le64_to_cpu(hw->tx_discard_pkts);
600
	}
601 602 603 604

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

605
skip_ring_stats:
606
	if (bp->flags & BNXT_FLAG_PORT_STATS) {
607
		__le64 *port_stats = bp->port_stats.hw_stats;
608 609 610 611 612 613

		for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
			buf[j] = le64_to_cpu(*(port_stats +
					       bnxt_port_stats_arr[i].offset));
		}
	}
614
	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
615 616
		__le64 *rx_port_stats_ext = bp->rx_port_stats_ext.hw_stats;
		__le64 *tx_port_stats_ext = bp->tx_port_stats_ext.hw_stats;
617

618 619
		for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
			buf[j] = le64_to_cpu(*(rx_port_stats_ext +
620 621
					    bnxt_port_stats_ext_arr[i].offset));
		}
622 623 624 625
		for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
			buf[j] = le64_to_cpu(*(tx_port_stats_ext +
					bnxt_tx_port_stats_ext_arr[i].offset));
		}
626 627 628
		if (bp->pri2cos_valid) {
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_bytes_pri_arr[i].base_off +
629
					 bp->pri2cos_idx[i];
630 631 632 633 634

				buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_pkts_pri_arr[i].base_off +
635
					 bp->pri2cos_idx[i];
636 637 638 639 640

				buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_bytes_pri_arr[i].base_off +
641
					 bp->pri2cos_idx[i];
642 643 644 645 646

				buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
			}
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_tx_pkts_pri_arr[i].base_off +
647
					 bp->pri2cos_idx[i];
648 649 650 651

				buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
			}
		}
652
	}
653 654 655 656 657
}

static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
658
	static const char * const *str;
659
	u32 i, j, num_str;
660 661 662 663

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < bp->cp_nr_rings; i++) {
664 665 666 667 668 669 670
			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;
				}
671
			}
672 673 674 675 676 677 678
			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;
				}
679 680
			}
			num_str = bnxt_get_num_tpa_ring_stats(bp);
681
			if (!num_str || !is_rx_ring(bp, i))
682 683
				goto skip_tpa_stats;

684
			if (bp->max_tpa_v2)
685
				str = bnxt_ring_tpa2_stats_str;
686
			else
687
				str = bnxt_ring_tpa_stats_str;
688

689
			for (j = 0; j < num_str; j++) {
690
				sprintf(buf, "[%d]: %s", i, str[j]);
691 692 693
				buf += ETH_GSTRING_LEN;
			}
skip_tpa_stats:
694 695 696 697 698 699 700
			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;
				}
701
			}
702
			num_str = NUM_RING_CMN_SW_STATS;
703 704
			for (j = 0; j < num_str; j++) {
				sprintf(buf, "[%d]: %s", i,
705
					bnxt_cmn_sw_stats_str[j]);
706 707
				buf += ETH_GSTRING_LEN;
			}
708
		}
709 710 711 712 713
		for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
			strcpy(buf, bnxt_sw_func_stats[i].string);
			buf += ETH_GSTRING_LEN;
		}

714 715 716 717 718 719
		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;
			}
		}
720
		if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
721
			for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
722 723 724
				strcpy(buf, bnxt_port_stats_ext_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
725 726 727 728 729
			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;
			}
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751
			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;
				}
			}
752
		}
753
		break;
754 755 756 757 758
	case ETH_SS_TEST:
		if (bp->num_tests)
			memcpy(buf, bp->test_info->string,
			       bp->num_tests * ETH_GSTRING_LEN);
		break;
759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806
	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);
807
	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
808
	int max_rx_rings, max_tx_rings, tcs;
809 810 811
	int max_tx_sch_inputs;

	/* Get the most up-to-date max_tx_sch_inputs. */
M
Michael Chan 已提交
812
	if (BNXT_NEW_RM(bp))
813 814
		bnxt_hwrm_func_resc_qcaps(bp, false);
	max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
815

816
	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
817 818
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
819
	channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
820

821 822 823 824
	if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
		max_rx_rings = 0;
		max_tx_rings = 0;
	}
825 826
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
827

828 829 830 831 832 833 834
	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;
835 836
	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
		channel->combined_count = bp->rx_nr_rings;
837 838
		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
			channel->combined_count--;
839
	} else {
840 841 842 843
		if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
			channel->rx_count = bp->rx_nr_rings;
			channel->tx_count = bp->tx_nr_rings_per_tc;
		}
844
	}
845 846 847 848 849 850
}

static int bnxt_set_channels(struct net_device *dev,
			     struct ethtool_channels *channel)
{
	struct bnxt *bp = netdev_priv(dev);
851
	int req_tx_rings, req_rx_rings, tcs;
852
	bool sh = false;
853
	int tx_xdp = 0;
854
	int rc = 0;
855

856
	if (channel->other_count)
857 858
		return -EINVAL;

859 860 861 862 863 864 865 866
	if (!channel->combined_count &&
	    (!channel->rx_count || !channel->tx_count))
		return -EINVAL;

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

867 868 869 870
	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
					    channel->tx_count))
		return -EINVAL;

871 872 873
	if (channel->combined_count)
		sh = true;

874 875
	tcs = netdev_get_num_tc(dev);

876
	req_tx_rings = sh ? channel->combined_count : channel->tx_count;
877
	req_rx_rings = sh ? channel->combined_count : channel->rx_count;
878 879 880 881 882 883 884
	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;
	}
885
	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
886 887 888
	if (rc) {
		netdev_warn(dev, "Unable to allocate the requested rings\n");
		return rc;
889 890
	}

891 892 893 894 895 896 897
	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;
	}

898 899 900 901 902 903 904 905 906 907 908 909 910 911
	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;
		}
	}

912 913
	if (sh) {
		bp->flags |= BNXT_FLAG_SHARED_RINGS;
914 915
		bp->rx_nr_rings = channel->combined_count;
		bp->tx_nr_rings_per_tc = channel->combined_count;
916 917 918 919 920
	} else {
		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
		bp->rx_nr_rings = channel->rx_count;
		bp->tx_nr_rings_per_tc = channel->tx_count;
	}
921 922
	bp->tx_nr_rings_xdp = tx_xdp;
	bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
923
	if (tcs > 1)
924
		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
925 926 927 928

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

929 930
	/* After changing number of rx channels, update NTUPLE feature. */
	netdev_update_features(dev);
931 932 933 934 935 936 937
	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
			 */
		}
938
	} else {
939
		rc = bnxt_reserve_rings(bp, true);
940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
	}

	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;

979
	if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996
		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;
997 998 999 1000 1001 1002 1003
	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;
1004

1005 1006
		fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
		fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
1007

1008 1009
		fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
		fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
1010

1011 1012
		fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
		fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
1013

1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
		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);
	}
1040 1041 1042 1043 1044 1045 1046 1047 1048

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

fltr_err:
	rcu_read_unlock();

	return rc;
}
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
#endif

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

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

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

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

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

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

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

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

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

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

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

	bp->rss_hash_cfg = rss_hash_cfg;
	if (netif_running(bp->dev)) {
		bnxt_close_nic(bp, false, false);
		rc = bnxt_open_nic(bp, false, false);
	}
	return rc;
}
1189 1190 1191 1192 1193 1194 1195 1196

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) {
1197
#ifdef CONFIG_RFS_ACCEL
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
	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;
1214 1215 1216 1217 1218
#endif

	case ETHTOOL_GRXFH:
		rc = bnxt_grxfh(bp, cmd);
		break;
1219 1220 1221 1222 1223 1224 1225 1226

	default:
		rc = -EOPNOTSUPP;
		break;
	}

	return rc;
}
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243

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;
}
1244

1245
u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1246
{
1247 1248 1249 1250
	struct bnxt *bp = netdev_priv(dev);

	if (bp->flags & BNXT_FLAG_CHIP_P5)
		return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
	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);
1263
	struct bnxt_vnic_info *vnic;
1264
	u32 i, tbl_size;
1265 1266 1267 1268

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

1269 1270 1271 1272
	if (!bp->vnic_info)
		return 0;

	vnic = &bp->vnic_info[0];
1273 1274 1275 1276
	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];
1277
	}
1278

1279
	if (key && vnic->rss_hash_key)
1280 1281 1282 1283 1284
		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);

	return 0;
}

1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313
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;
}

1314 1315 1316 1317 1318 1319
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));
1320
	strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1321
	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1322
	info->n_stats = bnxt_get_num_stats(bp);
1323
	info->testinfo_len = bp->num_tests;
1324 1325 1326 1327 1328 1329
	/* TODO CHIMP_FW: eeprom dump details */
	info->eedump_len = 0;
	/* TODO CHIMP FW: reg dump details */
	info->regdump_len = 0;
}

1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343
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;
	}
}

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
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
1369
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383
{
	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)
1384
		speed_mask |= ADVERTISED_40000baseCR4_Full;
1385 1386 1387 1388 1389 1390 1391 1392

	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;

1393 1394 1395
	return speed_mask;
}

1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415
#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);\
1416 1417 1418
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100000baseCR4_Full);\
1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
	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;		\
1455 1456 1457
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;		\
1458 1459 1460 1461
}

static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1462
{
1463
	u16 fw_speeds = link_info->advertising;
1464 1465 1466 1467 1468
	u8 fw_pause = 0;

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

1469
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1470 1471
}

1472 1473
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1474 1475 1476 1477 1478 1479 1480
{
	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;

1481 1482
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
				lp_advertising);
1483 1484
}

1485 1486
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1487 1488 1489
{
	u16 fw_speeds = link_info->support_speeds;

1490
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1491

1492 1493 1494
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
					     Asym_Pause);
1495

1496 1497 1498
	if (link_info->support_auto_speeds)
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     Autoneg);
1499 1500
}

1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
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;
1520 1521
	case BNXT_LINK_SPEED_100GB:
		return SPEED_100000;
1522 1523 1524 1525 1526
	default:
		return SPEED_UNKNOWN;
	}
}

1527 1528
static int bnxt_get_link_ksettings(struct net_device *dev,
				   struct ethtool_link_ksettings *lk_ksettings)
1529 1530 1531
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1532 1533
	struct ethtool_link_settings *base = &lk_ksettings->base;
	u32 ethtool_speed;
1534

1535
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1536
	mutex_lock(&bp->link_lock);
1537
	bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1538

1539
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1540
	if (link_info->autoneg) {
1541 1542 1543 1544
		bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
		ethtool_link_ksettings_add_link_mode(lk_ksettings,
						     advertising, Autoneg);
		base->autoneg = AUTONEG_ENABLE;
1545 1546
		base->duplex = DUPLEX_UNKNOWN;
		if (link_info->phy_link_status == BNXT_LINK_LINK) {
1547
			bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1548 1549 1550 1551 1552
			if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
				base->duplex = DUPLEX_FULL;
			else
				base->duplex = DUPLEX_HALF;
		}
1553
		ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1554
	} else {
1555
		base->autoneg = AUTONEG_DISABLE;
1556 1557
		ethtool_speed =
			bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1558
		base->duplex = DUPLEX_HALF;
1559
		if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1560
			base->duplex = DUPLEX_FULL;
1561
	}
1562
	base->speed = ethtool_speed;
1563

1564
	base->port = PORT_NONE;
1565
	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1566 1567 1568 1569 1570
		base->port = PORT_TP;
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     TP);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     TP);
1571
	} else {
1572 1573 1574 1575
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     FIBRE);
1576 1577

		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1578
			base->port = PORT_DA;
1579 1580
		else if (link_info->media_type ==
			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1581
			base->port = PORT_FIBRE;
1582
	}
1583
	base->phy_address = link_info->phy_addr;
1584
	mutex_unlock(&bp->link_lock);
1585 1586 1587 1588

	return 0;
}

1589
static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1590
{
1591 1592 1593 1594 1595
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
	u16 support_spds = link_info->support_speeds;
	u32 fw_speed = 0;

1596 1597
	switch (ethtool_speed) {
	case SPEED_100:
1598 1599 1600
		if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
		break;
1601
	case SPEED_1000:
1602 1603 1604
		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
		break;
1605
	case SPEED_2500:
1606 1607 1608
		if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
		break;
1609
	case SPEED_10000:
1610 1611 1612
		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
		break;
1613
	case SPEED_20000:
1614 1615 1616
		if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
		break;
1617
	case SPEED_25000:
1618 1619 1620
		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
		break;
1621
	case SPEED_40000:
1622 1623 1624
		if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
		break;
1625
	case SPEED_50000:
1626 1627 1628
		if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
		break;
1629 1630 1631 1632
	case SPEED_100000:
		if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
		break;
1633 1634 1635 1636
	default:
		netdev_err(dev, "unsupported speed!\n");
		break;
	}
1637
	return fw_speed;
1638 1639
}

M
Michael Chan 已提交
1640
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655
{
	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;

1656 1657 1658
	if (advertising & ADVERTISED_40000baseCR4_Full)
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;

1659 1660 1661
	return fw_speed_mask;
}

1662 1663
static int bnxt_set_link_ksettings(struct net_device *dev,
			   const struct ethtool_link_ksettings *lk_ksettings)
1664 1665 1666
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1667
	const struct ethtool_link_settings *base = &lk_ksettings->base;
1668
	bool set_pause = false;
1669 1670
	u16 fw_advertising = 0;
	u32 speed;
1671
	int rc = 0;
1672

1673
	if (!BNXT_PHY_CFG_ABLE(bp))
1674
		return -EOPNOTSUPP;
1675

1676
	mutex_lock(&bp->link_lock);
1677 1678 1679
	if (base->autoneg == AUTONEG_ENABLE) {
		BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
					advertising);
1680 1681
		link_info->autoneg |= BNXT_AUTONEG_SPEED;
		if (!fw_advertising)
1682
			link_info->advertising = link_info->support_auto_speeds;
1683 1684 1685 1686 1687 1688 1689
		else
			link_info->advertising = fw_advertising;
		/* any change to autoneg will cause link change, therefore the
		 * driver should put back the original pause setting in autoneg
		 */
		set_pause = true;
	} else {
1690
		u16 fw_speed;
1691
		u8 phy_type = link_info->phy_type;
1692

1693 1694 1695 1696 1697 1698 1699
		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;
		}
1700
		if (base->duplex == DUPLEX_HALF) {
1701 1702 1703 1704
			netdev_err(dev, "HALF DUPLEX is not supported!\n");
			rc = -EINVAL;
			goto set_setting_exit;
		}
1705
		speed = base->speed;
1706 1707 1708 1709 1710 1711
		fw_speed = bnxt_get_fw_speed(dev, speed);
		if (!fw_speed) {
			rc = -EINVAL;
			goto set_setting_exit;
		}
		link_info->req_link_speed = fw_speed;
1712
		link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1713
		link_info->autoneg = 0;
1714 1715 1716 1717
		link_info->advertising = 0;
	}

	if (netif_running(dev))
M
Michael Chan 已提交
1718
		rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1719 1720

set_setting_exit:
1721
	mutex_unlock(&bp->link_lock);
1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732
	return rc;
}

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

	if (BNXT_VF(bp))
		return;
1733
	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1734 1735
	epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1736 1737 1738 1739 1740 1741 1742 1743 1744
}

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;

1745
	if (!BNXT_PHY_CFG_ABLE(bp))
1746
		return -EOPNOTSUPP;
1747 1748

	if (epause->autoneg) {
1749 1750 1751
		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
			return -EINVAL;

1752
		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1753 1754 1755
		if (bp->hwrm_spec_code >= 0x10201)
			link_info->req_flow_ctrl =
				PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1756 1757 1758 1759 1760 1761 1762
	} 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;
1763
		link_info->req_flow_ctrl = 0;
1764 1765 1766 1767 1768 1769 1770
	}
	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;

1771 1772
	if (netif_running(dev)) {
		mutex_lock(&bp->link_lock);
1773
		rc = bnxt_hwrm_set_pause(bp);
1774 1775
		mutex_unlock(&bp->link_lock);
	}
1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786
	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;
}

1787 1788 1789 1790 1791
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");
}

1792 1793 1794 1795
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
				u16 ext, u16 *index, u32 *item_length,
				u32 *data_length);

1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
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);

1831
	if (rc == -EACCES)
1832
		bnxt_print_admin_err(bp);
1833 1834 1835
	return rc;
}

1836 1837
static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
				    u8 self_reset, u8 flags)
1838 1839
{
	struct hwrm_fw_reset_input req = {0};
1840 1841
	struct bnxt *bp = netdev_priv(dev);
	int rc;
1842 1843 1844

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

1845 1846 1847 1848
	req.embedded_proc_type = proc_type;
	req.selfrst_status = self_reset;
	req.flags = flags;

1849 1850 1851 1852 1853 1854 1855 1856
	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);
	}
1857 1858 1859
	return rc;
}

1860 1861
static int bnxt_firmware_reset(struct net_device *dev,
			       enum bnxt_nvm_directory_type dir_type)
1862 1863 1864 1865
{
	u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
	u8 proc_type, flags = 0;

1866 1867 1868 1869 1870 1871
	/* 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:
1872
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1873
		/* Self-reset ChiMP upon next PCIe reset: */
1874
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1875 1876 1877
		break;
	case BNX_DIR_TYPE_APE_FW:
	case BNX_DIR_TYPE_APE_PATCH:
1878
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1879
		/* Self-reset APE upon next PCIe reset: */
1880
		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1881 1882 1883
		break;
	case BNX_DIR_TYPE_KONG_FW:
	case BNX_DIR_TYPE_KONG_PATCH:
1884
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1885 1886 1887
		break;
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
1888
		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1889 1890 1891 1892 1893
		break;
	default:
		return -EINVAL;
	}

1894
	return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
1895 1896
}

1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917
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);
}

1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
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;
1934 1935 1936
	case BNX_DIR_TYPE_CHIMP_PATCH:
		code_type = CODE_CHIMP_PATCH;
		break;
1937 1938 1939
	case BNX_DIR_TYPE_APE_FW:
		code_type = CODE_MCTP_PASSTHRU;
		break;
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954
	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;
1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991
	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);
1992 1993 1994
	if (rc == 0)	/* Firmware update successful */
		rc = bnxt_firmware_reset(dev, dir_type);

1995 1996 1997
	return rc;
}

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 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
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;
}

2049 2050 2051 2052 2053 2054 2055 2056 2057 2058
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:
2059 2060
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
2061 2062 2063 2064 2065 2066
		return true;
	}

	return false;
}

2067
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
{
	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) ||
2088
		bnxt_dir_type_is_other_exec_format(dir_type);
2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
}

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;
	}
2104
	if (bnxt_dir_type_is_ape_bin_format(dir_type))
2105
		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2106
	else if (bnxt_dir_type_is_other_exec_format(dir_type))
2107
		rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2108 2109 2110 2111 2112 2113 2114
	else
		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
				      0, 0, fw->data, fw->size);
	release_firmware(fw);
	return rc;
}

2115 2116
int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
				 u32 install_type)
2117
{
2118 2119 2120 2121 2122
	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;
2123
	int rc = 0;
2124 2125 2126 2127
	u16 index;

	bnxt_hwrm_fw_set_time(bp);

2128 2129 2130 2131
	rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
				  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
				  &index, &item_len, NULL);
	if (rc) {
2132
		netdev_err(dev, "PKG update area not created in nvram\n");
2133
		return rc;
2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
	}

	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) {
2144
		netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167
			   (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);

2168 2169
			rc = hwrm_send_message(bp, &modify, sizeof(modify),
					       FLASH_PACKAGE_TIMEOUT);
2170 2171 2172 2173 2174
			dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
					  dma_handle);
		}
	}
	release_firmware(fw);
2175
	if (rc)
2176
		goto err_exit;
2177 2178 2179 2180 2181 2182

	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);

2183
	mutex_lock(&bp->hwrm_cmd_lock);
2184 2185 2186
	rc = _hwrm_send_message(bp, &install, sizeof(install),
				INSTALL_PACKAGE_TIMEOUT);
	if (rc) {
2187 2188
		u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;

2189 2190
		if (resp->error_code && error_code ==
		    NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2191 2192
			install.flags |= cpu_to_le16(
			       NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2193 2194
			rc = _hwrm_send_message(bp, &install, sizeof(install),
						INSTALL_PACKAGE_TIMEOUT);
2195
		}
2196
		if (rc)
2197
			goto flash_pkg_exit;
2198
	}
2199 2200 2201 2202

	if (resp->result) {
		netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
			   (s8)resp->result, (int)resp->problem_item);
2203
		rc = -ENOPKG;
2204
	}
2205 2206
flash_pkg_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
2207
err_exit:
2208
	if (rc == -EACCES)
2209
		bnxt_print_admin_err(bp);
2210
	return rc;
2211 2212 2213 2214 2215 2216 2217 2218 2219 2220
}

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;
	}

2221 2222 2223 2224
	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
	    flash->region > 0xffff)
		return bnxt_flash_package_from_file(dev, flash->data,
						    flash->region);
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

	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)
{
2250 2251 2252 2253 2254
	struct bnxt *bp = netdev_priv(dev);

	if (BNXT_VF(bp))
		return 0;

2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310
	/* The -1 return value allows the entire 32-bit range of offsets to be
	 * passed via the ethtool command-line utility.
	 */
	return -1;
}

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

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

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

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

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

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

2311 2312 2313
	if (!length)
		return -EINVAL;

2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333
	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;
}

2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349
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;
2350 2351
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2352 2353 2354 2355 2356 2357 2358 2359
	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);
	}
2360
	mutex_unlock(&bp->hwrm_cmd_lock);
2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396
	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;
}

2397
static void bnxt_get_pkgver(struct net_device *dev)
2398
{
2399
	struct bnxt *bp = netdev_priv(dev);
2400
	u16 index = 0;
2401 2402 2403 2404
	char *pkgver;
	u32 pkglen;
	u8 *pkgbuf;
	int len;
2405 2406 2407

	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2408 2409
				 &index, NULL, &pkglen) != 0)
		return;
2410

2411 2412 2413 2414 2415 2416 2417 2418 2419
	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;
2420

2421 2422 2423 2424 2425 2426 2427 2428 2429
	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);
2430 2431
}

2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 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 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493
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: */
2494
	if (bnxt_dir_type_is_executable(type))
2495
		return -EOPNOTSUPP;
2496 2497 2498 2499 2500 2501 2502 2503
	ext = eeprom->magic & 0xffff;
	ordinal = eeprom->offset >> 16;
	attr = eeprom->offset & 0xffff;

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

2504 2505 2506 2507 2508 2509 2510 2511 2512
static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
	struct bnxt *bp = netdev_priv(dev);
	struct ethtool_eee *eee = &bp->eee;
	struct bnxt_link_info *link_info = &bp->link_info;
	u32 advertising =
		 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
	int rc = 0;

2513
	if (!BNXT_PHY_CFG_ABLE(bp))
2514
		return -EOPNOTSUPP;
2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577

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

	if (!edata->eee_enabled)
		goto eee_ok;

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

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

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

	return rc;
}

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

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

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

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

	return 0;
}

2578 2579 2580 2581 2582 2583 2584 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
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)
{
2614
	u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629
	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;

2630 2631 2632
	rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
					      SFF_DIAG_SUPPORT_OFFSET + 1,
					      data);
2633
	if (!rc) {
2634 2635
		u8 module_id = data[0];
		u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2636 2637 2638 2639 2640

		switch (module_id) {
		case SFF_MODULE_ID_SFP:
			modinfo->type = ETH_MODULE_SFF_8472;
			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2641 2642
			if (!diag_supported)
				modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
			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;
2667
	int rc = 0;
2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686

	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;
2687 2688
		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
						      start, length, data);
2689 2690 2691 2692
	}
	return rc;
}

2693 2694 2695 2696 2697 2698 2699
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;

2700
	if (!BNXT_PHY_CFG_ABLE(bp))
2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711
		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;
}

2712 2713 2714 2715 2716 2717 2718 2719 2720
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;
2721
	int i;
2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746

	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;
	}
2747
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2748 2749
}

2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772
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;
}

2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786
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);
}

2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802
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;
}

2803 2804 2805 2806
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;
2807
	u16 fw_advertising;
2808 2809 2810
	u16 fw_speed;
	int rc;

2811 2812
	if (!link_info->autoneg ||
	    (bp->test_info->flags & BNXT_TEST_FL_AN_PHY_LPBK))
2813 2814
		return 0;

2815 2816 2817 2818
	rc = bnxt_query_force_speeds(bp, &fw_advertising);
	if (rc)
		return rc;

2819
	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2820
	if (bp->link_info.link_up)
2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839
		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;
}

2840
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2841 2842 2843 2844 2845 2846 2847
{
	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);
2848 2849 2850 2851
		if (ext)
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
		else
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2852 2853 2854 2855 2856 2857 2858
	} 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);
}

2859
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2860 2861
			    u32 raw_cons, int pkt_size)
{
2862 2863
	struct bnxt_napi *bnapi = cpr->bnapi;
	struct bnxt_rx_ring_info *rxr;
2864 2865 2866 2867 2868 2869 2870
	struct bnxt_sw_rx_bd *rx_buf;
	struct rx_cmp *rxcmp;
	u16 cp_cons, cons;
	u8 *data;
	u32 len;
	int i;

2871
	rxr = bnapi->rx_ring;
2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891
	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;
}

2892 2893
static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
			      int pkt_size)
2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915
{
	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) {
2916
			rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929
			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];
2930
	struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2931
	struct bnxt_cp_ring_info *cpr;
2932 2933 2934 2935 2936 2937
	int pkt_size, i = 0;
	struct sk_buff *skb;
	dma_addr_t map;
	u8 *data;
	int rc;

2938 2939 2940
	cpr = &rxr->bnapi->cp_ring;
	if (bp->flags & BNXT_FLAG_CHIP_P5)
		cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958
	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;
	}
2959
	bnxt_xmit_bd(bp, txr, map, pkt_size);
2960 2961 2962 2963

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

M
Michael Chan 已提交
2964
	bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2965
	rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2966 2967 2968 2969 2970 2971

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

2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987
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;
}

2988
#define BNXT_DRV_TESTS			4
2989
#define BNXT_MACLPBK_TEST_IDX		(bp->num_tests - BNXT_DRV_TESTS)
2990
#define BNXT_PHYLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 1)
2991 2992
#define BNXT_EXTLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 3)
2993 2994 2995 2996 2997

static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
			   u64 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
2998
	bool do_ext_lpbk = false;
2999 3000 3001
	bool offline = false;
	u8 test_results = 0;
	u8 test_mask = 0;
3002
	int rc = 0, i;
3003 3004 3005 3006 3007 3008 3009 3010 3011

	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;
	}

3012 3013 3014 3015
	if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
	    (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
		do_ext_lpbk = true;

3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039
	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);
3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055

		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);
3056
		bnxt_hwrm_phy_loopback(bp, true, false);
3057 3058 3059 3060 3061
		msleep(1000);
		if (bnxt_run_loopback(bp)) {
			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
3062 3063 3064 3065 3066 3067 3068 3069 3070 3071
		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);
3072
		bnxt_half_close_nic(bp);
3073
		rc = bnxt_open_nic(bp, false, true);
3074
	}
3075
	if (rc || bnxt_test_irq(bp)) {
3076 3077 3078
		buf[BNXT_IRQ_TEST_IDX] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
3079 3080 3081 3082 3083 3084 3085 3086 3087 3088
	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;
		}
	}
}

3089 3090 3091
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
	struct bnxt *bp = netdev_priv(dev);
3092
	bool reload = false;
3093 3094 3095 3096
	u32 req = *flags;

	if (!req)
		return -EINVAL;
3097 3098 3099 3100 3101 3102

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

3103 3104
	if (pci_vfs_assigned(bp->pdev) &&
	    !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3105 3106 3107 3108 3109
		netdev_err(dev,
			   "Reset not allowed when VFs are assigned to VMs\n");
		return -EBUSY;
	}

3110
	if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3111
		/* This feature is not supported in older firmware versions */
3112 3113 3114 3115
		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))
3116
					reload = true;
3117 3118 3119 3120
				*flags &= ~BNXT_FW_RESET_CHIP;
			}
		} else if (req == BNXT_FW_RESET_CHIP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3121
		}
3122
	}
S
Scott Branden 已提交
3123

3124 3125 3126 3127 3128
	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");
3129
				reload = true;
3130 3131 3132 3133
				*flags &= ~BNXT_FW_RESET_AP;
			}
		} else if (req == BNXT_FW_RESET_AP) {
			return -EOPNOTSUPP; /* only request, fail hard */
3134
		}
3135 3136
	}

3137 3138 3139
	if (reload)
		netdev_info(dev, "Reload driver to complete reset\n");

3140
	return 0;
3141 3142
}

3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166
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);
3167 3168
		rc = _hwrm_send_message(bp, msg, msg_len,
					HWRM_COREDUMP_TIMEOUT);
3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191
		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;
			}
		}

3192 3193 3194 3195 3196 3197 3198 3199 3200
		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;
			}
		}
3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248

		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);

3249
	return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3250 3251 3252 3253
}

static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
					   u16 segment_id, u32 *seg_len,
3254
					   void *buf, u32 buf_len, u32 offset)
3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268
{
	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);
3269
	if (buf) {
3270
		info.dest_buf = buf + offset;
3271 3272 3273
		info.buf_len = buf_len;
		info.seg_start = offset;
	}
3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288

	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));
3289
	memcpy(seg_hdr->signature, "sEgM", 4);
3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320
	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));
3321
	memcpy(record->signature, "cOrE", 4);
3322 3323 3324 3325
	record->flags = 0;
	record->low_version = 0;
	record->high_version = 1;
	record->asic_state = 0;
3326 3327
	strlcpy(record->system_name, utsname()->nodename,
		sizeof(record->system_name));
3328 3329
	record->year = cpu_to_le16(tm.tm_year + 1900);
	record->month = cpu_to_le16(tm.tm_mon + 1);
3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341
	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);

3342
	strlcpy(record->os_name, utsname()->sysname, 32);
3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362
	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);
3363
	u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3364 3365 3366 3367 3368 3369 3370
	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;

3371 3372 3373
	if (buf)
		buf_len = *dump_len;

3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405
	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;

3406 3407 3408 3409 3410 3411
		if (buf && ((offset + seg_hdr_len) >
			    BNXT_COREDUMP_BUF_LEN(buf_len))) {
			rc = -ENOBUFS;
			goto err;
		}

3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
		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,
3424
						     &seg_len, buf, buf_len,
3425
						     offset + seg_hdr_len);
3426 3427 3428
		if (rc && rc == -ENOBUFS)
			goto err;
		else if (rc)
3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451
			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:
3452 3453
	if (buf)
		bnxt_fill_coredump_record(bp, buf + offset, start_time,
3454 3455 3456
					  start_utc, coredump.total_segs + 1,
					  rc);
	kfree(coredump.data);
3457
	*dump_len += sizeof(struct bnxt_coredump_record);
3458
	if (rc == -ENOBUFS)
3459
		netdev_err(bp->dev, "Firmware returned large coredump buffer\n");
3460 3461 3462
	return rc;
}

3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480
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;
}

3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492
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;

3493 3494 3495 3496 3497 3498
	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;
3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510
}

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);

3511 3512 3513 3514 3515 3516 3517 3518 3519 3520
	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;
3521 3522
}

3523 3524 3525 3526 3527
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;
3528
	struct net_device *dev = bp->dev;
3529 3530
	int i, rc;

3531 3532
	if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
		bnxt_get_pkgver(dev);
3533

3534
	bp->num_tests = 0;
3535 3536 3537 3538 3539 3540 3541 3542 3543
	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;

3544 3545 3546
	test_info = bp->test_info;
	if (!test_info)
		test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562
	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;

3563 3564
		if (i == BNXT_MACLPBK_TEST_IDX) {
			strcpy(str, "Mac loopback test (offline)");
3565 3566
		} else if (i == BNXT_PHYLPBK_TEST_IDX) {
			strcpy(str, "Phy loopback test (offline)");
3567 3568
		} else if (i == BNXT_EXTLPBK_TEST_IDX) {
			strcpy(str, "Ext loopback test (offline)");
3569 3570
		} else if (i == BNXT_IRQ_TEST_IDX) {
			strcpy(str, "Interrupt_test (offline)");
3571 3572 3573 3574 3575 3576 3577 3578 3579 3580
		} 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));
		}
3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
	}

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

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

3593
const struct ethtool_ops bnxt_ethtool_ops = {
3594 3595 3596 3597 3598 3599
	.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,
3600 3601
	.get_link_ksettings	= bnxt_get_link_ksettings,
	.set_link_ksettings	= bnxt_set_link_ksettings,
3602 3603 3604
	.get_pauseparam		= bnxt_get_pauseparam,
	.set_pauseparam		= bnxt_set_pauseparam,
	.get_drvinfo		= bnxt_get_drvinfo,
3605
	.get_wol		= bnxt_get_wol,
3606
	.set_wol		= bnxt_set_wol,
3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618
	.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,
3619
	.set_rxnfc		= bnxt_set_rxnfc,
3620 3621 3622
	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
	.get_rxfh               = bnxt_get_rxfh,
3623
	.set_rxfh		= bnxt_set_rxfh,
3624 3625 3626 3627 3628
	.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,
3629 3630
	.get_eee		= bnxt_get_eee,
	.set_eee		= bnxt_set_eee,
3631 3632
	.get_module_info	= bnxt_get_module_info,
	.get_module_eeprom	= bnxt_get_module_eeprom,
3633 3634
	.nway_reset		= bnxt_nway_reset,
	.set_phys_id		= bnxt_set_phys_id,
3635
	.self_test		= bnxt_self_test,
3636
	.reset			= bnxt_reset,
3637
	.set_dump		= bnxt_set_dump,
3638 3639
	.get_dump_flag		= bnxt_get_dump_flag,
	.get_dump_data		= bnxt_get_dump_data,
3640
};