bnxt_ethtool.c 91.4 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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#define BNXT_NUM_STATS	22
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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_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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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,
};

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_stats(struct bnxt *bp)
{
	int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;

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	num_stats += BNXT_NUM_SW_FUNC_STATS;

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

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	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
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		num_stats += bp->fw_rx_stats_ext_size +
			     bp->fw_tx_stats_ext_size;
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		if (bp->pri2cos_valid)
			num_stats += BNXT_NUM_STATS_PRI;
	}
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	return num_stats;
}

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static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
	struct bnxt *bp = netdev_priv(dev);

	switch (sset) {
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	case ETH_SS_STATS:
		return bnxt_get_num_stats(bp);
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	case ETH_SS_TEST:
		if (!bp->num_tests)
			return -EOPNOTSUPP;
		return bp->num_tests;
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	default:
		return -EOPNOTSUPP;
	}
}

static void bnxt_get_ethtool_stats(struct net_device *dev,
				   struct ethtool_stats *stats, u64 *buf)
{
	u32 i, j = 0;
	struct bnxt *bp = netdev_priv(dev);
	u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;

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	if (!bp->bnapi) {
		j += BNXT_NUM_STATS * bp->cp_nr_rings + BNXT_NUM_SW_FUNC_STATS;
		goto skip_ring_stats;
	}
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	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
		bnxt_sw_func_stats[i].counter = 0;

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	for (i = 0; i < bp->cp_nr_rings; i++) {
		struct bnxt_napi *bnapi = bp->bnapi[i];
		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
		__le64 *hw_stats = (__le64 *)cpr->hw_stats;
		int k;

		for (k = 0; k < stat_fields; j++, k++)
			buf[j] = le64_to_cpu(hw_stats[k]);
		buf[j++] = cpr->rx_l4_csum_errors;
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		buf[j++] = cpr->missed_irqs;
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		bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
			le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
		bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
			le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
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	}
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	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
		buf[j] = bnxt_sw_func_stats[i].counter;

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skip_ring_stats:
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	if (bp->flags & BNXT_FLAG_PORT_STATS) {
		__le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;

		for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
			buf[j] = le64_to_cpu(*(port_stats +
					       bnxt_port_stats_arr[i].offset));
		}
	}
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	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
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		__le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
		__le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
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		for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
			buf[j] = le64_to_cpu(*(rx_port_stats_ext +
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					    bnxt_port_stats_ext_arr[i].offset));
		}
481 482 483 484
		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));
		}
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		if (bp->pri2cos_valid) {
			for (i = 0; i < 8; i++, j++) {
				long n = bnxt_rx_bytes_pri_arr[i].base_off +
					 bp->pri2cos[i];

				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 +
					 bp->pri2cos[i];

				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 +
					 bp->pri2cos[i];

				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 +
					 bp->pri2cos[i];

				buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
			}
		}
511
	}
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}

static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
	u32 i;

	switch (stringset) {
	/* The number of strings must match BNXT_NUM_STATS defined above. */
	case ETH_SS_STATS:
		for (i = 0; i < bp->cp_nr_rings; i++) {
			sprintf(buf, "[%d]: rx_ucast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_mcast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_bcast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_discards", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_drops", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_ucast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_mcast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_bcast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_ucast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_mcast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_bcast_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_discards", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_drops", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_ucast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_mcast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tx_bcast_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tpa_packets", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tpa_bytes", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tpa_events", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: tpa_aborts", i);
			buf += ETH_GSTRING_LEN;
			sprintf(buf, "[%d]: rx_l4_csum_errors", i);
			buf += ETH_GSTRING_LEN;
565 566
			sprintf(buf, "[%d]: missed_irqs", i);
			buf += ETH_GSTRING_LEN;
567
		}
568 569 570 571 572
		for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
			strcpy(buf, bnxt_sw_func_stats[i].string);
			buf += ETH_GSTRING_LEN;
		}

573 574 575 576 577 578
		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;
			}
		}
579
		if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
580
			for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
581 582 583
				strcpy(buf, bnxt_port_stats_ext_arr[i].string);
				buf += ETH_GSTRING_LEN;
			}
584 585 586 587 588
			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;
			}
589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
			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;
				}
			}
611
		}
612
		break;
613 614 615 616 617
	case ETH_SS_TEST:
		if (bp->num_tests)
			memcpy(buf, bp->test_info->string,
			       bp->num_tests * ETH_GSTRING_LEN);
		break;
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
	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);
666
	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
667
	int max_rx_rings, max_tx_rings, tcs;
668 669 670
	int max_tx_sch_inputs;

	/* Get the most up-to-date max_tx_sch_inputs. */
M
Michael Chan 已提交
671
	if (BNXT_NEW_RM(bp))
672 673
		bnxt_hwrm_func_resc_qcaps(bp, false);
	max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
674

675
	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
676 677
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
678
	channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
679

680 681 682 683
	if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
		max_rx_rings = 0;
		max_tx_rings = 0;
	}
684 685
	if (max_tx_sch_inputs)
		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
686

687 688 689 690 691 692 693
	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;
694 695
	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
		channel->combined_count = bp->rx_nr_rings;
696 697
		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
			channel->combined_count--;
698
	} else {
699 700 701 702
		if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
			channel->rx_count = bp->rx_nr_rings;
			channel->tx_count = bp->tx_nr_rings_per_tc;
		}
703
	}
704 705 706 707 708 709
}

static int bnxt_set_channels(struct net_device *dev,
			     struct ethtool_channels *channel)
{
	struct bnxt *bp = netdev_priv(dev);
710
	int req_tx_rings, req_rx_rings, tcs;
711
	bool sh = false;
712
	int tx_xdp = 0;
713
	int rc = 0;
714

715
	if (channel->other_count)
716 717
		return -EINVAL;

718 719 720 721 722 723 724 725
	if (!channel->combined_count &&
	    (!channel->rx_count || !channel->tx_count))
		return -EINVAL;

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

726 727 728 729
	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
					    channel->tx_count))
		return -EINVAL;

730 731 732
	if (channel->combined_count)
		sh = true;

733 734
	tcs = netdev_get_num_tc(dev);

735
	req_tx_rings = sh ? channel->combined_count : channel->tx_count;
736
	req_rx_rings = sh ? channel->combined_count : channel->rx_count;
737 738 739 740 741 742 743
	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;
	}
744
	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
745 746 747
	if (rc) {
		netdev_warn(dev, "Unable to allocate the requested rings\n");
		return rc;
748 749
	}

750 751 752 753 754 755 756 757 758 759 760 761 762 763
	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;
		}
	}

764 765
	if (sh) {
		bp->flags |= BNXT_FLAG_SHARED_RINGS;
766 767
		bp->rx_nr_rings = channel->combined_count;
		bp->tx_nr_rings_per_tc = channel->combined_count;
768 769 770 771 772
	} else {
		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
		bp->rx_nr_rings = channel->rx_count;
		bp->tx_nr_rings_per_tc = channel->tx_count;
	}
773 774
	bp->tx_nr_rings_xdp = tx_xdp;
	bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
775
	if (tcs > 1)
776
		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
777 778 779 780

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

781 782
	/* After changing number of rx channels, update NTUPLE feature. */
	netdev_update_features(dev);
783 784 785 786 787 788 789
	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
			 */
		}
790 791
	} else {
		rc = bnxt_reserve_rings(bp);
792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830
	}

	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;

831
	if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848
		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;
849 850 851 852 853 854 855
	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;
856

857 858
		fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
		fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
859

860 861
		fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
		fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
862

863 864
		fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
		fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
865

866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891
		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);
	}
892 893 894 895 896 897 898 899 900

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

fltr_err:
	rcu_read_unlock();

	return rc;
}
901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
#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;
}
1041 1042 1043 1044 1045 1046 1047 1048

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) {
1049
#ifdef CONFIG_RFS_ACCEL
1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065
	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;
1066 1067 1068 1069 1070
#endif

	case ETHTOOL_GRXFH:
		rc = bnxt_grxfh(bp, cmd);
		break;
1071 1072 1073 1074 1075 1076 1077 1078

	default:
		rc = -EOPNOTSUPP;
		break;
	}

	return rc;
}
1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095

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;
}
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110

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

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

static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
			 u8 *hfunc)
{
	struct bnxt *bp = netdev_priv(dev);
1111
	struct bnxt_vnic_info *vnic;
1112 1113 1114 1115 1116
	int i = 0;

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

1117 1118 1119 1120 1121
	if (!bp->vnic_info)
		return 0;

	vnic = &bp->vnic_info[0];
	if (indir && vnic->rss_table) {
1122 1123
		for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
			indir[i] = le16_to_cpu(vnic->rss_table[i]);
1124
	}
1125

1126
	if (key && vnic->rss_hash_key)
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);

	return 0;
}

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

	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1139
	strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1140
	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1141
	info->n_stats = bnxt_get_num_stats(bp);
1142
	info->testinfo_len = bp->num_tests;
1143 1144 1145 1146 1147 1148
	/* TODO CHIMP_FW: eeprom dump details */
	info->eedump_len = 0;
	/* TODO CHIMP FW: reg dump details */
	info->regdump_len = 0;
}

1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
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;
	}
}

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
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
1188
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202
{
	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)
1203
		speed_mask |= ADVERTISED_40000baseCR4_Full;
1204 1205 1206 1207 1208 1209 1210 1211

	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;

1212 1213 1214
	return speed_mask;
}

1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234
#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);\
1235 1236 1237
	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)			\
		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
						     100000baseCR4_Full);\
1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
	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;		\
1274 1275 1276
	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
						  100000baseCR4_Full))	\
		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;		\
1277 1278 1279 1280
}

static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1281
{
1282
	u16 fw_speeds = link_info->advertising;
1283 1284 1285 1286 1287
	u8 fw_pause = 0;

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

1288
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1289 1290
}

1291 1292
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1293 1294 1295 1296 1297 1298 1299
{
	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;

1300 1301
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
				lp_advertising);
1302 1303
}

1304 1305
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
				struct ethtool_link_ksettings *lk_ksettings)
1306 1307 1308
{
	u16 fw_speeds = link_info->support_speeds;

1309
	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1310

1311 1312 1313
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
	ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
					     Asym_Pause);
1314

1315 1316 1317
	if (link_info->support_auto_speeds)
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     Autoneg);
1318 1319
}

1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
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;
1339 1340
	case BNXT_LINK_SPEED_100GB:
		return SPEED_100000;
1341 1342 1343 1344 1345
	default:
		return SPEED_UNKNOWN;
	}
}

1346 1347
static int bnxt_get_link_ksettings(struct net_device *dev,
				   struct ethtool_link_ksettings *lk_ksettings)
1348 1349 1350
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1351 1352
	struct ethtool_link_settings *base = &lk_ksettings->base;
	u32 ethtool_speed;
1353

1354
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1355
	mutex_lock(&bp->link_lock);
1356
	bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1357

1358
	ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1359
	if (link_info->autoneg) {
1360 1361 1362 1363
		bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
		ethtool_link_ksettings_add_link_mode(lk_ksettings,
						     advertising, Autoneg);
		base->autoneg = AUTONEG_ENABLE;
1364
		if (link_info->phy_link_status == BNXT_LINK_LINK)
1365
			bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1366 1367
		ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
		if (!netif_carrier_ok(dev))
1368
			base->duplex = DUPLEX_UNKNOWN;
1369
		else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1370
			base->duplex = DUPLEX_FULL;
1371
		else
1372
			base->duplex = DUPLEX_HALF;
1373
	} else {
1374
		base->autoneg = AUTONEG_DISABLE;
1375 1376
		ethtool_speed =
			bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1377
		base->duplex = DUPLEX_HALF;
1378
		if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1379
			base->duplex = DUPLEX_FULL;
1380
	}
1381
	base->speed = ethtool_speed;
1382

1383
	base->port = PORT_NONE;
1384
	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1385 1386 1387 1388 1389
		base->port = PORT_TP;
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     TP);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     TP);
1390
	} else {
1391 1392 1393 1394
		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
						     FIBRE);
		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
						     FIBRE);
1395 1396

		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1397
			base->port = PORT_DA;
1398 1399
		else if (link_info->media_type ==
			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1400
			base->port = PORT_FIBRE;
1401
	}
1402
	base->phy_address = link_info->phy_addr;
1403
	mutex_unlock(&bp->link_lock);
1404 1405 1406 1407

	return 0;
}

1408
static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1409
{
1410 1411 1412 1413 1414
	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;

1415 1416
	switch (ethtool_speed) {
	case SPEED_100:
1417 1418 1419
		if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
		break;
1420
	case SPEED_1000:
1421 1422 1423
		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
		break;
1424
	case SPEED_2500:
1425 1426 1427
		if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
		break;
1428
	case SPEED_10000:
1429 1430 1431
		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
		break;
1432
	case SPEED_20000:
1433 1434 1435
		if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
		break;
1436
	case SPEED_25000:
1437 1438 1439
		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
		break;
1440
	case SPEED_40000:
1441 1442 1443
		if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
		break;
1444
	case SPEED_50000:
1445 1446 1447
		if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
		break;
1448 1449 1450 1451
	case SPEED_100000:
		if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
			fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
		break;
1452 1453 1454 1455
	default:
		netdev_err(dev, "unsupported speed!\n");
		break;
	}
1456
	return fw_speed;
1457 1458
}

M
Michael Chan 已提交
1459
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474
{
	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;

1475 1476 1477
	if (advertising & ADVERTISED_40000baseCR4_Full)
		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;

1478 1479 1480
	return fw_speed_mask;
}

1481 1482
static int bnxt_set_link_ksettings(struct net_device *dev,
			   const struct ethtool_link_ksettings *lk_ksettings)
1483 1484 1485
{
	struct bnxt *bp = netdev_priv(dev);
	struct bnxt_link_info *link_info = &bp->link_info;
1486
	const struct ethtool_link_settings *base = &lk_ksettings->base;
1487
	bool set_pause = false;
1488 1489
	u16 fw_advertising = 0;
	u32 speed;
1490
	int rc = 0;
1491

1492
	if (!BNXT_SINGLE_PF(bp))
1493
		return -EOPNOTSUPP;
1494

1495
	mutex_lock(&bp->link_lock);
1496 1497 1498
	if (base->autoneg == AUTONEG_ENABLE) {
		BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
					advertising);
1499 1500
		link_info->autoneg |= BNXT_AUTONEG_SPEED;
		if (!fw_advertising)
1501
			link_info->advertising = link_info->support_auto_speeds;
1502 1503 1504 1505 1506 1507 1508
		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 {
1509
		u16 fw_speed;
1510
		u8 phy_type = link_info->phy_type;
1511

1512 1513 1514 1515 1516 1517 1518
		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;
		}
1519
		if (base->duplex == DUPLEX_HALF) {
1520 1521 1522 1523
			netdev_err(dev, "HALF DUPLEX is not supported!\n");
			rc = -EINVAL;
			goto set_setting_exit;
		}
1524
		speed = base->speed;
1525 1526 1527 1528 1529 1530
		fw_speed = bnxt_get_fw_speed(dev, speed);
		if (!fw_speed) {
			rc = -EINVAL;
			goto set_setting_exit;
		}
		link_info->req_link_speed = fw_speed;
1531
		link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1532
		link_info->autoneg = 0;
1533 1534 1535 1536
		link_info->advertising = 0;
	}

	if (netif_running(dev))
M
Michael Chan 已提交
1537
		rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1538 1539

set_setting_exit:
1540
	mutex_unlock(&bp->link_lock);
1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551
	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;
1552
	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1553 1554
	epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1555 1556 1557 1558 1559 1560 1561 1562 1563
}

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;

1564
	if (!BNXT_SINGLE_PF(bp))
1565
		return -EOPNOTSUPP;
1566 1567

	if (epause->autoneg) {
1568 1569 1570
		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
			return -EINVAL;

1571
		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1572 1573 1574
		if (bp->hwrm_spec_code >= 0x10201)
			link_info->req_flow_ctrl =
				PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1575 1576 1577 1578 1579 1580 1581
	} 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;
1582
		link_info->req_flow_ctrl = 0;
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602
	}
	if (epause->rx_pause)
		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;

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

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

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

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

1603 1604 1605 1606
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
				u16 ext, u16 *index, u32 *item_length,
				u32 *data_length);

1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641
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);

1642 1643 1644 1645 1646 1647 1648
	if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
		netdev_info(dev,
			    "PF does not have admin privileges to flash the device\n");
		rc = -EACCES;
	} else if (rc) {
		rc = -EIO;
	}
1649 1650 1651
	return rc;
}

1652 1653 1654 1655
static int bnxt_firmware_reset(struct net_device *dev,
			       u16 dir_type)
{
	struct hwrm_fw_reset_input req = {0};
1656 1657
	struct bnxt *bp = netdev_priv(dev);
	int rc;
1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673

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

	/* 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:
		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
		/* Self-reset ChiMP upon next PCIe reset: */
		req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
		break;
	case BNX_DIR_TYPE_APE_FW:
	case BNX_DIR_TYPE_APE_PATCH:
		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1674 1675
		/* Self-reset APE upon next PCIe reset: */
		req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685
		break;
	case BNX_DIR_TYPE_KONG_FW:
	case BNX_DIR_TYPE_KONG_PATCH:
		req.embedded_proc_type =
			FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
		break;
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
		break;
1686 1687 1688 1689
	case BNXT_FW_RESET_CHIP:
		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
		req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
		break;
S
Scott Branden 已提交
1690 1691 1692
	case BNXT_FW_RESET_AP:
		req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
		break;
1693 1694 1695 1696
	default:
		return -EINVAL;
	}

1697 1698 1699 1700 1701 1702 1703 1704 1705
	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
		netdev_info(dev,
			    "PF does not have admin privileges to reset the device\n");
		rc = -EACCES;
	} else if (rc) {
		rc = -EIO;
	}
	return rc;
1706 1707
}

1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
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;
1724 1725 1726
	case BNX_DIR_TYPE_CHIMP_PATCH:
		code_type = CODE_CHIMP_PATCH;
		break;
1727 1728 1729
	case BNX_DIR_TYPE_APE_FW:
		code_type = CODE_MCTP_PASSTHRU;
		break;
1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744
	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;
1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781
	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);
1782 1783 1784
	if (rc == 0)	/* Firmware update successful */
		rc = bnxt_firmware_reset(dev, dir_type);

1785 1786 1787
	return rc;
}

1788 1789 1790 1791 1792 1793 1794 1795 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 1831 1832 1833 1834 1835 1836 1837 1838
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;
}

1839 1840 1841 1842 1843 1844 1845 1846 1847 1848
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:
1849 1850
	case BNX_DIR_TYPE_BONO_FW:
	case BNX_DIR_TYPE_BONO_PATCH:
1851 1852 1853 1854 1855 1856
		return true;
	}

	return false;
}

1857
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
{
	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) ||
1878
		bnxt_dir_type_is_other_exec_format(dir_type);
1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895
}

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

	rc = request_firmware(&fw, filename, &dev->dev);
	if (rc != 0) {
		netdev_err(dev, "Error %d requesting firmware file: %s\n",
			   rc, filename);
		return rc;
	}
	if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1896 1897
	else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
		rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1898 1899 1900 1901 1902 1903 1904 1905
	else
		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
				      0, 0, fw->data, fw->size);
	release_firmware(fw);
	return rc;
}

static int bnxt_flash_package_from_file(struct net_device *dev,
1906
					char *filename, u32 install_type)
1907
{
1908 1909 1910 1911
	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;
1912
	int rc, hwrm_err = 0;
1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956
	u32 item_len;
	u16 index;

	bnxt_hwrm_fw_set_time(bp);

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

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

	if (fw->size > item_len) {
		netdev_err(dev, "PKG insufficient update area in nvram: %lu",
			   (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);

1957 1958 1959
			hwrm_err = hwrm_send_message(bp, &modify,
						     sizeof(modify),
						     FLASH_PACKAGE_TIMEOUT);
1960 1961 1962 1963 1964
			dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
					  dma_handle);
		}
	}
	release_firmware(fw);
1965 1966
	if (rc || hwrm_err)
		goto err_exit;
1967 1968 1969 1970 1971 1972

	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);

1973
	mutex_lock(&bp->hwrm_cmd_lock);
1974 1975 1976
	hwrm_err = _hwrm_send_message(bp, &install, sizeof(install),
				      INSTALL_PACKAGE_TIMEOUT);
	if (hwrm_err)
1977 1978 1979 1980 1981 1982 1983 1984
		goto flash_pkg_exit;

	if (resp->error_code) {
		u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;

		if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
			install.flags |= cpu_to_le16(
			       NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1985 1986 1987 1988
			hwrm_err = _hwrm_send_message(bp, &install,
						      sizeof(install),
						      INSTALL_PACKAGE_TIMEOUT);
			if (hwrm_err)
1989 1990 1991
				goto flash_pkg_exit;
		}
	}
1992 1993 1994 1995

	if (resp->result) {
		netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
			   (s8)resp->result, (int)resp->problem_item);
1996
		rc = -ENOPKG;
1997
	}
1998 1999
flash_pkg_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
2000 2001 2002 2003 2004 2005 2006 2007
err_exit:
	if (hwrm_err == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
		netdev_info(dev,
			    "PF does not have admin privileges to flash the device\n");
		rc = -EACCES;
	} else if (hwrm_err) {
		rc = -EOPNOTSUPP;
	}
2008
	return rc;
2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
}

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;
	}

2019 2020 2021 2022
	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
	    flash->region > 0xffff)
		return bnxt_flash_package_from_file(dev, flash->data,
						    flash->region);
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

	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)
{
2048 2049 2050 2051 2052
	struct bnxt *bp = netdev_priv(dev);

	if (BNXT_VF(bp))
		return 0;

2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108
	/* 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};

2109 2110 2111
	if (!length)
		return -EINVAL;

2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131
	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;
}

2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147
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;
2148 2149
	mutex_lock(&bp->hwrm_cmd_lock);
	rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2150 2151 2152 2153 2154 2155 2156 2157
	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);
	}
2158
	mutex_unlock(&bp->hwrm_cmd_lock);
2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
	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;
}

2195
static void bnxt_get_pkgver(struct net_device *dev)
2196
{
2197
	struct bnxt *bp = netdev_priv(dev);
2198
	u16 index = 0;
2199 2200 2201 2202
	char *pkgver;
	u32 pkglen;
	u8 *pkgbuf;
	int len;
2203 2204 2205

	if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
				 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2206 2207
				 &index, NULL, &pkglen) != 0)
		return;
2208

2209 2210 2211 2212 2213 2214 2215 2216 2217
	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;
2218

2219 2220 2221 2222 2223 2224 2225 2226 2227
	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);
2228 2229
}

2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292
static int bnxt_get_eeprom(struct net_device *dev,
			   struct ethtool_eeprom *eeprom,
			   u8 *data)
{
	u32 index;
	u32 offset;

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

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

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

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

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

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

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

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

	type = eeprom->magic >> 16;

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

	/* Create or re-write an NVM item: */
	if (bnxt_dir_type_is_executable(type) == true)
2293
		return -EOPNOTSUPP;
2294 2295 2296 2297 2298 2299 2300 2301
	ext = eeprom->magic & 0xffff;
	ordinal = eeprom->offset >> 16;
	attr = eeprom->offset & 0xffff;

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

2302 2303 2304 2305 2306 2307 2308 2309 2310
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;

2311
	if (!BNXT_SINGLE_PF(bp))
2312
		return -EOPNOTSUPP;
2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375

	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;
}

2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411
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)
{
2412
	u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427
	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;

2428 2429 2430
	rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
					      SFF_DIAG_SUPPORT_OFFSET + 1,
					      data);
2431
	if (!rc) {
2432 2433
		u8 module_id = data[0];
		u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2434 2435 2436 2437 2438

		switch (module_id) {
		case SFF_MODULE_ID_SFP:
			modinfo->type = ETH_MODULE_SFF_8472;
			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2439 2440
			if (!diag_supported)
				modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464
			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;
2465
	int rc = 0;
2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484

	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;
2485 2486
		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
						      start, length, data);
2487 2488 2489 2490
	}
	return rc;
}

2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509
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;

	if (!BNXT_SINGLE_PF(bp))
		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;
}

2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550
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;
	int i, rc;

	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;
	}
	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
	if (rc)
		rc = -EIO;
	return rc;
}

2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
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;
}

2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587
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);
}

2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619
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;
	u16 fw_advertising = link_info->advertising;
	u16 fw_speed;
	int rc;

	if (!link_info->autoneg)
		return 0;

	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
	if (netif_carrier_ok(bp->dev))
		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;
}

2620
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2621 2622 2623 2624 2625 2626 2627
{
	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);
2628 2629 2630 2631
		if (ext)
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
		else
			req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2632 2633 2634 2635 2636 2637 2638
	} 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);
}

2639
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2640 2641
			    u32 raw_cons, int pkt_size)
{
2642 2643
	struct bnxt_napi *bnapi = cpr->bnapi;
	struct bnxt_rx_ring_info *rxr;
2644 2645 2646 2647 2648 2649 2650
	struct bnxt_sw_rx_bd *rx_buf;
	struct rx_cmp *rxcmp;
	u16 cp_cons, cons;
	u8 *data;
	u32 len;
	int i;

2651
	rxr = bnapi->rx_ring;
2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671
	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;
}

2672 2673
static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
			      int pkt_size)
2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695
{
	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) {
2696
			rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709
			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];
2710
	struct bnxt_cp_ring_info *cpr;
2711 2712 2713 2714 2715 2716
	int pkt_size, i = 0;
	struct sk_buff *skb;
	dma_addr_t map;
	u8 *data;
	int rc;

2717
	cpr = &txr->bnapi->cp_ring;
2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740
	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;
	}
	bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);

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

M
Michael Chan 已提交
2741
	bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2742
	rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2743 2744 2745 2746 2747 2748

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

2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764
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;
}

2765
#define BNXT_DRV_TESTS			4
2766
#define BNXT_MACLPBK_TEST_IDX		(bp->num_tests - BNXT_DRV_TESTS)
2767
#define BNXT_PHYLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 1)
2768 2769
#define BNXT_EXTLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 3)
2770 2771 2772 2773 2774

static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
			   u64 *buf)
{
	struct bnxt *bp = netdev_priv(dev);
2775
	bool do_ext_lpbk = false;
2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788
	bool offline = false;
	u8 test_results = 0;
	u8 test_mask = 0;
	int rc, i;

	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;
	}

2789 2790 2791 2792
	if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
	    (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
		do_ext_lpbk = true;

2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816
	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);
2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832

		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);
2833
		bnxt_hwrm_phy_loopback(bp, true, false);
2834 2835 2836 2837 2838
		msleep(1000);
		if (bnxt_run_loopback(bp)) {
			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
2839 2840 2841 2842 2843 2844 2845 2846 2847 2848
		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);
2849
		bnxt_half_close_nic(bp);
2850 2851
		bnxt_open_nic(bp, false, true);
	}
2852 2853 2854 2855
	if (bnxt_test_irq(bp)) {
		buf[BNXT_IRQ_TEST_IDX] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
2856 2857 2858 2859 2860 2861 2862 2863 2864 2865
	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;
		}
	}
}

2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
	struct bnxt *bp = netdev_priv(dev);
	int rc = 0;

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

	if (pci_vfs_assigned(bp->pdev)) {
		netdev_err(dev,
			   "Reset not allowed when VFs are assigned to VMs\n");
		return -EBUSY;
	}

	if (*flags == ETH_RESET_ALL) {
		/* This feature is not supported in older firmware versions */
		if (bp->hwrm_spec_code < 0x10803)
			return -EOPNOTSUPP;

		rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2888
		if (!rc) {
2889
			netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
2890 2891
			*flags = 0;
		}
S
Scott Branden 已提交
2892 2893 2894 2895 2896 2897
	} else if (*flags == ETH_RESET_AP) {
		/* This feature is not supported in older firmware versions */
		if (bp->hwrm_spec_code < 0x10803)
			return -EOPNOTSUPP;

		rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
2898
		if (!rc) {
S
Scott Branden 已提交
2899
			netdev_info(dev, "Reset Application Processor request successful.\n");
2900 2901
			*flags = 0;
		}
2902 2903 2904 2905 2906 2907 2908
	} else {
		rc = -EINVAL;
	}

	return rc;
}

2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043
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);
		rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
		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;
			}
		}

		if (info->dest_buf)
			memcpy(info->dest_buf + off, dma_buf, len);

		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);

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

static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
					   u16 segment_id, u32 *seg_len,
					   void *buf, u32 offset)
{
	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);
	if (buf)
		info.dest_buf = buf + offset;

	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));
3044
	memcpy(seg_hdr->signature, "sEgM", 4);
3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075
	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));
3076
	memcpy(record->signature, "cOrE", 4);
3077 3078 3079 3080
	record->flags = 0;
	record->low_version = 0;
	record->high_version = 1;
	record->asic_state = 0;
3081 3082
	strlcpy(record->system_name, utsname()->nodename,
		sizeof(record->system_name));
3083 3084
	record->year = cpu_to_le16(tm.tm_year + 1900);
	record->month = cpu_to_le16(tm.tm_mon + 1);
3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096
	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);

3097
	strlcpy(record->os_name, utsname()->sysname, 32);
3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 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 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195
	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);
	struct coredump_segment_record *seg_record = NULL;
	u32 offset = 0, seg_hdr_len, seg_record_len;
	struct bnxt_coredump_segment_hdr seg_hdr;
	struct bnxt_coredump coredump = {NULL};
	time64_t start_time;
	u16 start_utc;
	int rc = 0, i;

	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;

		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,
						     &seg_len, buf,
						     offset + seg_hdr_len);
		if (rc)
			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:
3196 3197
	if (buf)
		bnxt_fill_coredump_record(bp, buf + offset, start_time,
3198 3199 3200
					  start_utc, coredump.total_segs + 1,
					  rc);
	kfree(coredump.data);
3201
	*dump_len += sizeof(struct bnxt_coredump_record);
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

	return rc;
}

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;

	return bnxt_get_coredump(bp, NULL, &dump->len);
}

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);

	return bnxt_get_coredump(bp, buf, &dump->len);
}

3234 3235 3236 3237 3238
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;
3239
	struct net_device *dev = bp->dev;
3240 3241
	int i, rc;

3242
	bnxt_get_pkgver(dev);
3243

3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
	if (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;

	test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
	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;

3270 3271
		if (i == BNXT_MACLPBK_TEST_IDX) {
			strcpy(str, "Mac loopback test (offline)");
3272 3273
		} else if (i == BNXT_PHYLPBK_TEST_IDX) {
			strcpy(str, "Phy loopback test (offline)");
3274 3275
		} else if (i == BNXT_EXTLPBK_TEST_IDX) {
			strcpy(str, "Ext loopback test (offline)");
3276 3277
		} else if (i == BNXT_IRQ_TEST_IDX) {
			strcpy(str, "Interrupt_test (offline)");
3278 3279 3280 3281 3282 3283 3284 3285 3286 3287
		} 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));
		}
3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299
	}

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

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

3300
const struct ethtool_ops bnxt_ethtool_ops = {
3301 3302
	.get_link_ksettings	= bnxt_get_link_ksettings,
	.set_link_ksettings	= bnxt_set_link_ksettings,
3303 3304 3305
	.get_pauseparam		= bnxt_get_pauseparam,
	.set_pauseparam		= bnxt_set_pauseparam,
	.get_drvinfo		= bnxt_get_drvinfo,
3306
	.get_wol		= bnxt_get_wol,
3307
	.set_wol		= bnxt_set_wol,
3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319
	.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,
3320
	.set_rxnfc		= bnxt_set_rxnfc,
3321 3322 3323 3324 3325 3326 3327 3328
	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
	.get_rxfh               = bnxt_get_rxfh,
	.flash_device		= bnxt_flash_device,
	.get_eeprom_len         = bnxt_get_eeprom_len,
	.get_eeprom             = bnxt_get_eeprom,
	.set_eeprom		= bnxt_set_eeprom,
	.get_link		= bnxt_get_link,
3329 3330
	.get_eee		= bnxt_get_eee,
	.set_eee		= bnxt_set_eee,
3331 3332
	.get_module_info	= bnxt_get_module_info,
	.get_module_eeprom	= bnxt_get_module_eeprom,
3333 3334
	.nway_reset		= bnxt_nway_reset,
	.set_phys_id		= bnxt_set_phys_id,
3335
	.self_test		= bnxt_self_test,
3336
	.reset			= bnxt_reset,
3337 3338
	.get_dump_flag		= bnxt_get_dump_flag,
	.get_dump_data		= bnxt_get_dump_data,
3339
};