bnx2x_ethtool.c 66.3 KB
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/* bnx2x_ethtool.c: Broadcom Everest network driver.
 *
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 * Copyright (c) 2007-2012 Broadcom Corporation
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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.
 *
 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath and fastpath rework by Vladislav Zolotarov
 * Statistics and Link management by Yitchak Gertner
 *
 */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/crc32.h>


#include "bnx2x.h"
#include "bnx2x_cmn.h"
#include "bnx2x_dump.h"
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#include "bnx2x_init.h"
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#include "bnx2x_sp.h"
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/* Note: in the format strings below %s is replaced by the queue-name which is
 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
 */
#define MAX_QUEUE_NAME_LEN	4
static const struct {
	long offset;
	int size;
	char string[ETH_GSTRING_LEN];
} bnx2x_q_stats_arr[] = {
/* 1 */	{ Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
	{ Q_STATS_OFFSET32(total_unicast_packets_received_hi),
						8, "[%s]: rx_ucast_packets" },
	{ Q_STATS_OFFSET32(total_multicast_packets_received_hi),
						8, "[%s]: rx_mcast_packets" },
	{ Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
						8, "[%s]: rx_bcast_packets" },
	{ Q_STATS_OFFSET32(no_buff_discard_hi),	8, "[%s]: rx_discards" },
	{ Q_STATS_OFFSET32(rx_err_discard_pkt),
					 4, "[%s]: rx_phy_ip_err_discards"},
	{ Q_STATS_OFFSET32(rx_skb_alloc_failed),
					 4, "[%s]: rx_skb_alloc_discard" },
	{ Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },

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	{ Q_STATS_OFFSET32(total_bytes_transmitted_hi),	8, "[%s]: tx_bytes" },
/* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
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						8, "[%s]: tx_ucast_packets" },
	{ Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
						8, "[%s]: tx_mcast_packets" },
	{ Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
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						8, "[%s]: tx_bcast_packets" },
	{ Q_STATS_OFFSET32(total_tpa_aggregations_hi),
						8, "[%s]: tpa_aggregations" },
	{ Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
					8, "[%s]: tpa_aggregated_frames"},
	{ Q_STATS_OFFSET32(total_tpa_bytes_hi),	8, "[%s]: tpa_bytes"}
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};

#define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)

static const struct {
	long offset;
	int size;
	u32 flags;
#define STATS_FLAGS_PORT		1
#define STATS_FLAGS_FUNC		2
#define STATS_FLAGS_BOTH		(STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
	char string[ETH_GSTRING_LEN];
} bnx2x_stats_arr[] = {
/* 1 */	{ STATS_OFFSET32(total_bytes_received_hi),
				8, STATS_FLAGS_BOTH, "rx_bytes" },
	{ STATS_OFFSET32(error_bytes_received_hi),
				8, STATS_FLAGS_BOTH, "rx_error_bytes" },
	{ STATS_OFFSET32(total_unicast_packets_received_hi),
				8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
	{ STATS_OFFSET32(total_multicast_packets_received_hi),
				8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
				8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
				8, STATS_FLAGS_PORT, "rx_crc_errors" },
	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
				8, STATS_FLAGS_PORT, "rx_align_errors" },
	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
				8, STATS_FLAGS_PORT, "rx_undersize_packets" },
	{ STATS_OFFSET32(etherstatsoverrsizepkts_hi),
				8, STATS_FLAGS_PORT, "rx_oversize_packets" },
/* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
				8, STATS_FLAGS_PORT, "rx_fragments" },
	{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
				8, STATS_FLAGS_PORT, "rx_jabbers" },
	{ STATS_OFFSET32(no_buff_discard_hi),
				8, STATS_FLAGS_BOTH, "rx_discards" },
	{ STATS_OFFSET32(mac_filter_discard),
				4, STATS_FLAGS_PORT, "rx_filtered_packets" },
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	{ STATS_OFFSET32(mf_tag_discard),
				4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
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	{ STATS_OFFSET32(pfc_frames_received_hi),
				8, STATS_FLAGS_PORT, "pfc_frames_received" },
	{ STATS_OFFSET32(pfc_frames_sent_hi),
				8, STATS_FLAGS_PORT, "pfc_frames_sent" },
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	{ STATS_OFFSET32(brb_drop_hi),
				8, STATS_FLAGS_PORT, "rx_brb_discard" },
	{ STATS_OFFSET32(brb_truncate_hi),
				8, STATS_FLAGS_PORT, "rx_brb_truncate" },
	{ STATS_OFFSET32(pause_frames_received_hi),
				8, STATS_FLAGS_PORT, "rx_pause_frames" },
	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
				8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
	{ STATS_OFFSET32(nig_timer_max),
			4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
/* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
				4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
	{ STATS_OFFSET32(rx_skb_alloc_failed),
				4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
	{ STATS_OFFSET32(hw_csum_err),
				4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },

	{ STATS_OFFSET32(total_bytes_transmitted_hi),
				8, STATS_FLAGS_BOTH, "tx_bytes" },
	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
				8, STATS_FLAGS_PORT, "tx_error_bytes" },
	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
				8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
	{ STATS_OFFSET32(total_multicast_packets_transmitted_hi),
				8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
	{ STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
				8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
				8, STATS_FLAGS_PORT, "tx_mac_errors" },
	{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
				8, STATS_FLAGS_PORT, "tx_carrier_errors" },
/* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
				8, STATS_FLAGS_PORT, "tx_single_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
				8, STATS_FLAGS_PORT, "tx_multi_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
				8, STATS_FLAGS_PORT, "tx_deferred" },
	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
				8, STATS_FLAGS_PORT, "tx_excess_collisions" },
	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
				8, STATS_FLAGS_PORT, "tx_late_collisions" },
	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
				8, STATS_FLAGS_PORT, "tx_total_collisions" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
				8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
			8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
			8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
			8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
/* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
			8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
			8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
			8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
	{ STATS_OFFSET32(pause_frames_sent_hi),
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				8, STATS_FLAGS_PORT, "tx_pause_frames" },
	{ STATS_OFFSET32(total_tpa_aggregations_hi),
			8, STATS_FLAGS_FUNC, "tpa_aggregations" },
	{ STATS_OFFSET32(total_tpa_aggregated_frames_hi),
			8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
	{ STATS_OFFSET32(total_tpa_bytes_hi),
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			8, STATS_FLAGS_FUNC, "tpa_bytes"},
	{ STATS_OFFSET32(recoverable_error),
			4, STATS_FLAGS_FUNC, "recoverable_errors" },
	{ STATS_OFFSET32(unrecoverable_error),
			4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
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};

#define BNX2X_NUM_STATS		ARRAY_SIZE(bnx2x_stats_arr)
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static int bnx2x_get_port_type(struct bnx2x *bp)
{
	int port_type;
	u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
	switch (bp->link_params.phy[phy_idx].media_type) {
	case ETH_PHY_SFP_FIBER:
	case ETH_PHY_XFP_FIBER:
	case ETH_PHY_KR:
	case ETH_PHY_CX4:
		port_type = PORT_FIBRE;
		break;
	case ETH_PHY_DA_TWINAX:
		port_type = PORT_DA;
		break;
	case ETH_PHY_BASE_T:
		port_type = PORT_TP;
		break;
	case ETH_PHY_NOT_PRESENT:
		port_type = PORT_NONE;
		break;
	case ETH_PHY_UNSPECIFIED:
	default:
		port_type = PORT_OTHER;
		break;
	}
	return port_type;
}
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static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
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	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
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	/* Dual Media boards present all available port types */
	cmd->supported = bp->port.supported[cfg_idx] |
		(bp->port.supported[cfg_idx ^ 1] &
		 (SUPPORTED_TP | SUPPORTED_FIBRE));
	cmd->advertising = bp->port.advertising[cfg_idx];
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	if ((bp->state == BNX2X_STATE_OPEN) &&
	    !(bp->flags & MF_FUNC_DIS) &&
	    (bp->link_vars.link_up)) {
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		ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
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		cmd->duplex = bp->link_vars.duplex;
	} else {
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		ethtool_cmd_speed_set(
			cmd, bp->link_params.req_line_speed[cfg_idx]);
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		cmd->duplex = bp->link_params.req_duplex[cfg_idx];
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	}
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	if (IS_MF(bp))
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		ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
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	cmd->port = bnx2x_get_port_type(bp);
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	cmd->phy_address = bp->mdio.prtad;
	cmd->transceiver = XCVR_INTERNAL;

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	if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
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		cmd->autoneg = AUTONEG_ENABLE;
	else
		cmd->autoneg = AUTONEG_DISABLE;

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	/* Publish LP advertised speeds and FC */
	if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		u32 status = bp->link_vars.link_status;

		cmd->lp_advertising |= ADVERTISED_Autoneg;
		if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
			cmd->lp_advertising |= ADVERTISED_Pause;
		if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
			cmd->lp_advertising |= ADVERTISED_Asym_Pause;

		if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_10baseT_Half;
		if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_10baseT_Full;
		if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_100baseT_Half;
		if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_100baseT_Full;
		if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_1000baseT_Half;
		if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_1000baseT_Full;
		if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_2500baseX_Full;
		if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)
			cmd->lp_advertising |= ADVERTISED_10000baseT_Full;
	}

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	cmd->maxtxpkt = 0;
	cmd->maxrxpkt = 0;

	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
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	   "  supported 0x%x  advertising 0x%x  speed %u\n"
	   "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
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	   cmd->cmd, cmd->supported, cmd->advertising,
	   ethtool_cmd_speed(cmd),
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	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

	return 0;
}

static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
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	u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
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	u32 speed;
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	if (IS_MF_SD(bp))
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		return 0;

	DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
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	   "  supported 0x%x  advertising 0x%x  speed %u\n"
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	   "  duplex %d  port %d  phy_address %d  transceiver %d\n"
	   "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
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	   cmd->cmd, cmd->supported, cmd->advertising,
	   ethtool_cmd_speed(cmd),
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	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);

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	speed = ethtool_cmd_speed(cmd);
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	if (IS_MF_SI(bp)) {
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		u32 part;
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		u32 line_speed = bp->link_vars.line_speed;

		/* use 10G if no link detected */
		if (!line_speed)
			line_speed = 10000;

		if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
			BNX2X_DEV_INFO("To set speed BC %X or higher "
				       "is required, please upgrade BC\n",
				       REQ_BC_VER_4_SET_MF_BW);
			return -EINVAL;
		}
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		part = (speed * 100) / line_speed;
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		if (line_speed < speed || !part) {
			BNX2X_DEV_INFO("Speed setting should be in a range "
				       "from 1%% to 100%% "
				       "of actual line speed\n");
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			return -EINVAL;
		}

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		if (bp->state != BNX2X_STATE_OPEN)
			/* store value for following "load" */
			bp->pending_max = part;
		else
			bnx2x_update_max_mf_config(bp, part);
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		return 0;
	}

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	cfg_idx = bnx2x_get_link_cfg_idx(bp);
	old_multi_phy_config = bp->link_params.multi_phy_config;
	switch (cmd->port) {
	case PORT_TP:
		if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
			break; /* no port change */

		if (!(bp->port.supported[0] & SUPPORTED_TP ||
		      bp->port.supported[1] & SUPPORTED_TP)) {
			DP(NETIF_MSG_LINK, "Unsupported port type\n");
			return -EINVAL;
		}
		bp->link_params.multi_phy_config &=
			~PORT_HW_CFG_PHY_SELECTION_MASK;
		if (bp->link_params.multi_phy_config &
		    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
			bp->link_params.multi_phy_config |=
			PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
		else
			bp->link_params.multi_phy_config |=
			PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
		break;
	case PORT_FIBRE:
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	case PORT_DA:
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		if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
			break; /* no port change */

		if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
		      bp->port.supported[1] & SUPPORTED_FIBRE)) {
			DP(NETIF_MSG_LINK, "Unsupported port type\n");
			return -EINVAL;
		}
		bp->link_params.multi_phy_config &=
			~PORT_HW_CFG_PHY_SELECTION_MASK;
		if (bp->link_params.multi_phy_config &
		    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
			bp->link_params.multi_phy_config |=
			PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
		else
			bp->link_params.multi_phy_config |=
			PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
		break;
	default:
		DP(NETIF_MSG_LINK, "Unsupported port type\n");
		return -EINVAL;
	}
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	/* Save new config in case command complete successully */
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	new_multi_phy_config = bp->link_params.multi_phy_config;
	/* Get the new cfg_idx */
	cfg_idx = bnx2x_get_link_cfg_idx(bp);
	/* Restore old config in case command failed */
	bp->link_params.multi_phy_config = old_multi_phy_config;
	DP(NETIF_MSG_LINK, "cfg_idx = %x\n", cfg_idx);

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	if (cmd->autoneg == AUTONEG_ENABLE) {
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		u32 an_supported_speed = bp->port.supported[cfg_idx];
		if (bp->link_params.phy[EXT_PHY1].type ==
		    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
			an_supported_speed |= (SUPPORTED_100baseT_Half |
					       SUPPORTED_100baseT_Full);
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		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
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			DP(NETIF_MSG_LINK, "Autoneg not supported\n");
			return -EINVAL;
		}

		/* advertise the requested speed and duplex if supported */
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		if (cmd->advertising & ~an_supported_speed) {
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			DP(NETIF_MSG_LINK, "Advertisement parameters "
					   "are not supported\n");
			return -EINVAL;
		}
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		bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
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		bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
		bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
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					 cmd->advertising);
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		if (cmd->advertising) {

			bp->link_params.speed_cap_mask[cfg_idx] = 0;
			if (cmd->advertising & ADVERTISED_10baseT_Half) {
				bp->link_params.speed_cap_mask[cfg_idx] |=
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
			}
			if (cmd->advertising & ADVERTISED_10baseT_Full)
				bp->link_params.speed_cap_mask[cfg_idx] |=
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
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			if (cmd->advertising & ADVERTISED_100baseT_Full)
				bp->link_params.speed_cap_mask[cfg_idx] |=
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;

			if (cmd->advertising & ADVERTISED_100baseT_Half) {
				bp->link_params.speed_cap_mask[cfg_idx] |=
				     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
			}
			if (cmd->advertising & ADVERTISED_1000baseT_Half) {
				bp->link_params.speed_cap_mask[cfg_idx] |=
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
			}
			if (cmd->advertising & (ADVERTISED_1000baseT_Full |
						ADVERTISED_1000baseKX_Full))
				bp->link_params.speed_cap_mask[cfg_idx] |=
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;

			if (cmd->advertising & (ADVERTISED_10000baseT_Full |
						ADVERTISED_10000baseKX4_Full |
						ADVERTISED_10000baseKR_Full))
				bp->link_params.speed_cap_mask[cfg_idx] |=
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
		}
455 456
	} else { /* forced speed */
		/* advertise the requested speed and duplex if supported */
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		switch (speed) {
458 459
		case SPEED_10:
			if (cmd->duplex == DUPLEX_FULL) {
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				if (!(bp->port.supported[cfg_idx] &
461 462 463 464 465 466 467 468 469
				      SUPPORTED_10baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "10M full not supported\n");
					return -EINVAL;
				}

				advertising = (ADVERTISED_10baseT_Full |
					       ADVERTISED_TP);
			} else {
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				if (!(bp->port.supported[cfg_idx] &
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				      SUPPORTED_10baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "10M half not supported\n");
					return -EINVAL;
				}

				advertising = (ADVERTISED_10baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_100:
			if (cmd->duplex == DUPLEX_FULL) {
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				if (!(bp->port.supported[cfg_idx] &
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						SUPPORTED_100baseT_Full)) {
					DP(NETIF_MSG_LINK,
					   "100M full not supported\n");
					return -EINVAL;
				}

				advertising = (ADVERTISED_100baseT_Full |
					       ADVERTISED_TP);
			} else {
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				if (!(bp->port.supported[cfg_idx] &
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						SUPPORTED_100baseT_Half)) {
					DP(NETIF_MSG_LINK,
					   "100M half not supported\n");
					return -EINVAL;
				}

				advertising = (ADVERTISED_100baseT_Half |
					       ADVERTISED_TP);
			}
			break;

		case SPEED_1000:
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "1G half not supported\n");
				return -EINVAL;
			}

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			if (!(bp->port.supported[cfg_idx] &
			      SUPPORTED_1000baseT_Full)) {
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				DP(NETIF_MSG_LINK, "1G full not supported\n");
				return -EINVAL;
			}

			advertising = (ADVERTISED_1000baseT_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_2500:
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK,
				   "2.5G half not supported\n");
				return -EINVAL;
			}

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			if (!(bp->port.supported[cfg_idx]
			      & SUPPORTED_2500baseX_Full)) {
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				DP(NETIF_MSG_LINK,
				   "2.5G full not supported\n");
				return -EINVAL;
			}

			advertising = (ADVERTISED_2500baseX_Full |
				       ADVERTISED_TP);
			break;

		case SPEED_10000:
			if (cmd->duplex != DUPLEX_FULL) {
				DP(NETIF_MSG_LINK, "10G half not supported\n");
				return -EINVAL;
			}

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			if (!(bp->port.supported[cfg_idx]
			      & SUPPORTED_10000baseT_Full)) {
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				DP(NETIF_MSG_LINK, "10G full not supported\n");
				return -EINVAL;
			}

			advertising = (ADVERTISED_10000baseT_Full |
				       ADVERTISED_FIBRE);
			break;

		default:
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			DP(NETIF_MSG_LINK, "Unsupported speed %u\n", speed);
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			return -EINVAL;
		}

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		bp->link_params.req_line_speed[cfg_idx] = speed;
		bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
		bp->port.advertising[cfg_idx] = advertising;
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	}

	DP(NETIF_MSG_LINK, "req_line_speed %d\n"
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	   "  req_duplex %d  advertising 0x%x\n",
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	   bp->link_params.req_line_speed[cfg_idx],
	   bp->link_params.req_duplex[cfg_idx],
	   bp->port.advertising[cfg_idx]);
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	/* Set new config */
	bp->link_params.multi_phy_config = new_multi_phy_config;
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	if (netif_running(dev)) {
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
		bnx2x_link_set(bp);
	}

	return 0;
}

#define IS_E1_ONLINE(info)	(((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
#define IS_E1H_ONLINE(info)	(((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
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#define IS_E2_ONLINE(info)	(((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
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#define IS_E3_ONLINE(info)	(((info) & RI_E3_ONLINE) == RI_E3_ONLINE)
#define IS_E3B0_ONLINE(info)	(((info) & RI_E3B0_ONLINE) == RI_E3B0_ONLINE)

static inline bool bnx2x_is_reg_online(struct bnx2x *bp,
				       const struct reg_addr *reg_info)
{
	if (CHIP_IS_E1(bp))
		return IS_E1_ONLINE(reg_info->info);
	else if (CHIP_IS_E1H(bp))
		return IS_E1H_ONLINE(reg_info->info);
	else if (CHIP_IS_E2(bp))
		return IS_E2_ONLINE(reg_info->info);
	else if (CHIP_IS_E3A0(bp))
		return IS_E3_ONLINE(reg_info->info);
	else if (CHIP_IS_E3B0(bp))
		return IS_E3B0_ONLINE(reg_info->info);
	else
		return false;
}

/******* Paged registers info selectors ********/
static inline const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return page_vals_e2;
	else if (CHIP_IS_E3(bp))
		return page_vals_e3;
	else
		return NULL;
}

static inline u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return PAGE_MODE_VALUES_E2;
	else if (CHIP_IS_E3(bp))
		return PAGE_MODE_VALUES_E3;
	else
		return 0;
}

static inline const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return page_write_regs_e2;
	else if (CHIP_IS_E3(bp))
		return page_write_regs_e3;
	else
		return NULL;
}

static inline u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return PAGE_WRITE_REGS_E2;
	else if (CHIP_IS_E3(bp))
		return PAGE_WRITE_REGS_E3;
	else
		return 0;
}

static inline const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return page_read_regs_e2;
	else if (CHIP_IS_E3(bp))
		return page_read_regs_e3;
	else
		return NULL;
}

static inline u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
{
	if (CHIP_IS_E2(bp))
		return PAGE_READ_REGS_E2;
	else if (CHIP_IS_E3(bp))
		return PAGE_READ_REGS_E3;
	else
		return 0;
}

static inline int __bnx2x_get_regs_len(struct bnx2x *bp)
{
	int num_pages = __bnx2x_get_page_reg_num(bp);
	int page_write_num = __bnx2x_get_page_write_num(bp);
	const struct reg_addr *page_read_addr = __bnx2x_get_page_read_ar(bp);
	int page_read_num = __bnx2x_get_page_read_num(bp);
	int regdump_len = 0;
	int i, j, k;

	for (i = 0; i < REGS_COUNT; i++)
		if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
			regdump_len += reg_addrs[i].size;

	for (i = 0; i < num_pages; i++)
		for (j = 0; j < page_write_num; j++)
			for (k = 0; k < page_read_num; k++)
				if (bnx2x_is_reg_online(bp, &page_read_addr[k]))
					regdump_len += page_read_addr[k].size;

	return regdump_len;
}
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static int bnx2x_get_regs_len(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	int regdump_len = 0;

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	regdump_len = __bnx2x_get_regs_len(bp);
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	regdump_len *= 4;
	regdump_len += sizeof(struct dump_hdr);

	return regdump_len;
}

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/**
 * bnx2x_read_pages_regs - read "paged" registers
 *
 * @bp		device handle
 * @p		output buffer
 *
 * Reads "paged" memories: memories that may only be read by first writing to a
 * specific address ("write address") and then reading from a specific address
 * ("read address"). There may be more than one write address per "page" and
 * more than one read address per write address.
 */
static inline void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p)
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{
	u32 i, j, k, n;
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	/* addresses of the paged registers */
	const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
	/* number of paged registers */
	int num_pages = __bnx2x_get_page_reg_num(bp);
	/* write addresses */
	const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
	/* number of write addresses */
	int write_num = __bnx2x_get_page_write_num(bp);
	/* read addresses info */
	const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
	/* number of read addresses */
	int read_num = __bnx2x_get_page_read_num(bp);

	for (i = 0; i < num_pages; i++) {
		for (j = 0; j < write_num; j++) {
			REG_WR(bp, write_addr[j], page_addr[i]);
			for (k = 0; k < read_num; k++)
				if (bnx2x_is_reg_online(bp, &read_addr[k]))
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					for (n = 0; n <
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					      read_addr[k].size; n++)
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						*p++ = REG_RD(bp,
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						       read_addr[k].addr + n*4);
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		}
	}
}

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static inline void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
{
	u32 i, j;

	/* Read the regular registers */
	for (i = 0; i < REGS_COUNT; i++)
		if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
			for (j = 0; j < reg_addrs[i].size; j++)
				*p++ = REG_RD(bp, reg_addrs[i].addr + j*4);

	/* Read "paged" registes */
	bnx2x_read_pages_regs(bp, p);
}

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static void bnx2x_get_regs(struct net_device *dev,
			   struct ethtool_regs *regs, void *_p)
{
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	u32 *p = _p;
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	struct bnx2x *bp = netdev_priv(dev);
	struct dump_hdr dump_hdr = {0};

	regs->version = 0;
	memset(p, 0, regs->len);

	if (!netif_running(bp->dev))
		return;

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	/* Disable parity attentions as long as following dump may
	 * cause false alarms by reading never written registers. We
	 * will re-enable parity attentions right after the dump.
	 */
	bnx2x_disable_blocks_parity(bp);

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	dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
	dump_hdr.dump_sign = dump_sign_all;
	dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
	dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
	dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
	dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
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	if (CHIP_IS_E1(bp))
		dump_hdr.info = RI_E1_ONLINE;
	else if (CHIP_IS_E1H(bp))
		dump_hdr.info = RI_E1H_ONLINE;
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	else if (!CHIP_IS_E1x(bp))
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		dump_hdr.info = RI_E2_ONLINE |
		(BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
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	memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
	p += dump_hdr.hdr_size + 1;

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	/* Actually read the registers */
	__bnx2x_get_regs(bp, p);

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	/* Re-enable parity attentions */
	bnx2x_clear_blocks_parity(bp);
796
	bnx2x_enable_blocks_parity(bp);
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}

static void bnx2x_get_drvinfo(struct net_device *dev,
			      struct ethtool_drvinfo *info)
{
	struct bnx2x *bp = netdev_priv(dev);
	u8 phy_fw_ver[PHY_FW_VER_LEN];

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	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
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	phy_fw_ver[0] = '\0';
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	bnx2x_get_ext_phy_fw_version(&bp->link_params,
				     phy_fw_ver, PHY_FW_VER_LEN);
811
	strlcpy(info->fw_version, bp->fw_ver, sizeof(info->fw_version));
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	snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
		 "bc %d.%d.%d%s%s",
		 (bp->common.bc_ver & 0xff0000) >> 16,
		 (bp->common.bc_ver & 0xff00) >> 8,
		 (bp->common.bc_ver & 0xff),
		 ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
818
	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
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	info->n_stats = BNX2X_NUM_STATS;
	info->testinfo_len = BNX2X_NUM_TESTS;
	info->eedump_len = bp->common.flash_size;
	info->regdump_len = bnx2x_get_regs_len(dev);
}

static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

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

static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct bnx2x *bp = netdev_priv(dev);

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

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
	} else
		bp->wol = 0;

	return 0;
}

static u32 bnx2x_get_msglevel(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->msg_enable;
}

static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
{
	struct bnx2x *bp = netdev_priv(dev);

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	if (capable(CAP_NET_ADMIN)) {
		/* dump MCP trace */
		if (level & BNX2X_MSG_MCP)
			bnx2x_fw_dump_lvl(bp, KERN_INFO);
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		bp->msg_enable = level;
876
	}
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}

static int bnx2x_nway_reset(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (!bp->port.pmf)
		return 0;

	if (netif_running(dev)) {
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
		bnx2x_link_set(bp);
	}

	return 0;
}

static u32 bnx2x_get_link(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

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	if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
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		return 0;

	return bp->link_vars.link_up;
}

static int bnx2x_get_eeprom_len(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return bp->common.flash_size;
}

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/* Per pf misc lock must be aquired before the per port mcp lock. Otherwise, had
 * we done things the other way around, if two pfs from the same port would
 * attempt to access nvram at the same time, we could run into a scenario such
 * as:
 * pf A takes the port lock.
 * pf B succeeds in taking the same lock since they are from the same port.
 * pf A takes the per pf misc lock. Performs eeprom access.
 * pf A finishes. Unlocks the per pf misc lock.
 * Pf B takes the lock and proceeds to perform it's own access.
 * pf A unlocks the per port lock, while pf B is still working (!).
 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
 * acess corrupted by pf B).*
 */
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static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int count, i;
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	u32 val;

	/* acquire HW lock: protect against other PFs in PF Direct Assignment */
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
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	/* adjust timeout for emulation/FPGA */
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	count = BNX2X_NVRAM_TIMEOUT_COUNT;
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	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* request access to nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
			break;

		udelay(5);
	}

	if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
		DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
		return -EBUSY;
	}

	return 0;
}

static int bnx2x_release_nvram_lock(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int count, i;
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	u32 val;
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	/* adjust timeout for emulation/FPGA */
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	count = BNX2X_NVRAM_TIMEOUT_COUNT;
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	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* relinquish nvram interface */
	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
	       (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));

	for (i = 0; i < count*10; i++) {
		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
		if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
			break;

		udelay(5);
	}

	if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
		DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
		return -EBUSY;
	}

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	/* release HW lock: protect against other PFs in PF Direct Assignment */
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
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	return 0;
}

static void bnx2x_enable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* enable both bits, even on read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val | MCPR_NVM_ACCESS_ENABLE_EN |
		      MCPR_NVM_ACCESS_ENABLE_WR_EN));
}

static void bnx2x_disable_nvram_access(struct bnx2x *bp)
{
	u32 val;

	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);

	/* disable both bits, even after read */
	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
	       (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
			MCPR_NVM_ACCESS_ENABLE_WR_EN)));
}

static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
				  u32 cmd_flags)
{
	int count, i, rc;
	u32 val;

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* address of the NVRAM to read from */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue a read command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
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	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	*ret_val = 0;
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);

		if (val & MCPR_NVM_COMMAND_DONE) {
			val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
			/* we read nvram data in cpu order
			 * but ethtool sees it as an array of bytes
			 * converting to big-endian will do the work */
			*ret_val = cpu_to_be32(val);
			rc = 0;
			break;
		}
	}

	return rc;
}

static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
			    int buf_size)
{
	int rc;
	u32 cmd_flags;
	__be32 val;

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
		DP(BNX2X_MSG_NVM,
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
		   offset, buf_size);
		return -EINVAL;
	}

	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
				  " buf_size (0x%x) > flash_size (0x%x)\n",
		   offset, buf_size, bp->common.flash_size);
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	/* read the first word(s) */
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((buf_size > sizeof(u32)) && (rc == 0)) {
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);

		/* advance to the next dword */
		offset += sizeof(u32);
		ret_buf += sizeof(u32);
		buf_size -= sizeof(u32);
		cmd_flags = 0;
	}

	if (rc == 0) {
		cmd_flags |= MCPR_NVM_COMMAND_LAST;
		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
		memcpy(ret_buf, &val, 4);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_get_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc;

	if (!netif_running(dev))
		return -EAGAIN;

	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1125
	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_get_eeprom */

	rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
				   u32 cmd_flags)
{
	int count, i, rc;

	/* build the command word */
	cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;

	/* need to clear DONE bit separately */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);

	/* write the data */
	REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);

	/* address of the NVRAM to write to */
	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));

	/* issue the write command */
	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);

	/* adjust timeout for emulation/FPGA */
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	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
	if (CHIP_REV_IS_SLOW(bp))
		count *= 100;

	/* wait for completion */
	rc = -EBUSY;
	for (i = 0; i < count; i++) {
		udelay(5);
		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
		if (val & MCPR_NVM_COMMAND_DONE) {
			rc = 0;
			break;
		}
	}

	return rc;
}

#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))

static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
			      int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 align_offset;
	__be32 val;

	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
				  " buf_size (0x%x) > flash_size (0x%x)\n",
		   offset, buf_size, bp->common.flash_size);
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
	align_offset = (offset & ~0x03);
	rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);

	if (rc == 0) {
		val &= ~(0xff << BYTE_OFFSET(offset));
		val |= (*data_buf << BYTE_OFFSET(offset));

		/* nvram data is returned as an array of bytes
		 * convert it back to cpu order */
		val = be32_to_cpu(val);

		rc = bnx2x_nvram_write_dword(bp, align_offset, val,
					     cmd_flags);
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
			     int buf_size)
{
	int rc;
	u32 cmd_flags;
	u32 val;
	u32 written_so_far;

	if (buf_size == 1)	/* ethtool */
		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);

	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
		DP(BNX2X_MSG_NVM,
		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
		   offset, buf_size);
		return -EINVAL;
	}

	if (offset + buf_size > bp->common.flash_size) {
		DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
				  " buf_size (0x%x) > flash_size (0x%x)\n",
		   offset, buf_size, bp->common.flash_size);
		return -EINVAL;
	}

	/* request access to nvram interface */
	rc = bnx2x_acquire_nvram_lock(bp);
	if (rc)
		return rc;

	/* enable access to nvram interface */
	bnx2x_enable_nvram_access(bp);

	written_so_far = 0;
	cmd_flags = MCPR_NVM_COMMAND_FIRST;
	while ((written_so_far < buf_size) && (rc == 0)) {
		if (written_so_far == (buf_size - sizeof(u32)))
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
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		else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1263
			cmd_flags |= MCPR_NVM_COMMAND_LAST;
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		else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
			cmd_flags |= MCPR_NVM_COMMAND_FIRST;

		memcpy(&val, data_buf, 4);

		rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);

		/* advance to the next dword */
		offset += sizeof(u32);
		data_buf += sizeof(u32);
		written_so_far += sizeof(u32);
		cmd_flags = 0;
	}

	/* disable access to nvram interface */
	bnx2x_disable_nvram_access(bp);
	bnx2x_release_nvram_lock(bp);

	return rc;
}

static int bnx2x_set_eeprom(struct net_device *dev,
			    struct ethtool_eeprom *eeprom, u8 *eebuf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int port = BP_PORT(bp);
	int rc = 0;
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	u32 ext_phy_config;
1292 1293 1294 1295
	if (!netif_running(dev))
		return -EAGAIN;

	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1296
	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306
	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
	   eeprom->len, eeprom->len);

	/* parameters already validated in ethtool_set_eeprom */

	/* PHY eeprom can be accessed only by the PMF */
	if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
	    !bp->port.pmf)
		return -EINVAL;

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	ext_phy_config =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);

1311 1312 1313 1314 1315 1316 1317
	if (eeprom->magic == 0x50485950) {
		/* 'PHYP' (0x50485950): prepare phy for FW upgrade */
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

		bnx2x_acquire_phy_lock(bp);
		rc |= bnx2x_link_reset(&bp->link_params,
				       &bp->link_vars, 0);
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		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				       MISC_REGISTERS_GPIO_HIGH, port);
		bnx2x_release_phy_lock(bp);
		bnx2x_link_report(bp);

	} else if (eeprom->magic == 0x50485952) {
		/* 'PHYR' (0x50485952): re-init link after FW upgrade */
		if (bp->state == BNX2X_STATE_OPEN) {
			bnx2x_acquire_phy_lock(bp);
			rc |= bnx2x_link_reset(&bp->link_params,
					       &bp->link_vars, 1);

			rc |= bnx2x_phy_init(&bp->link_params,
					     &bp->link_vars);
			bnx2x_release_phy_lock(bp);
			bnx2x_calc_fc_adv(bp);
		}
	} else if (eeprom->magic == 0x53985943) {
		/* 'PHYC' (0x53985943): PHY FW upgrade completed */
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		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1340 1341 1342 1343 1344 1345 1346 1347
				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {

			/* DSP Remove Download Mode */
			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				       MISC_REGISTERS_GPIO_LOW, port);

			bnx2x_acquire_phy_lock(bp);

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			bnx2x_sfx7101_sp_sw_reset(bp,
						&bp->link_params.phy[EXT_PHY1]);
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361

			/* wait 0.5 sec to allow it to run */
			msleep(500);
			bnx2x_ext_phy_hw_reset(bp, port);
			msleep(500);
			bnx2x_release_phy_lock(bp);
		}
	} else
		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}
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1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
static int bnx2x_get_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->tx_coalesce_usecs = bp->tx_ticks;

	return 0;
}

static int bnx2x_set_coalesce(struct net_device *dev,
			      struct ethtool_coalesce *coal)
{
	struct bnx2x *bp = netdev_priv(dev);

	bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
	if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
		bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;

	bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
	if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
		bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;

	if (netif_running(dev))
		bnx2x_update_coalesce(bp);

	return 0;
}

static void bnx2x_get_ringparam(struct net_device *dev,
				struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);

	ering->rx_max_pending = MAX_RX_AVAIL;

1402 1403 1404
	if (bp->rx_ring_size)
		ering->rx_pending = bp->rx_ring_size;
	else
1405
		ering->rx_pending = MAX_RX_AVAIL;
1406

1407 1408 1409 1410 1411 1412 1413 1414 1415 1416
	ering->tx_max_pending = MAX_TX_AVAIL;
	ering->tx_pending = bp->tx_ring_size;
}

static int bnx2x_set_ringparam(struct net_device *dev,
			       struct ethtool_ringparam *ering)
{
	struct bnx2x *bp = netdev_priv(dev);

	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1417 1418
		netdev_err(dev, "Handling parity error recovery. "
				"Try again later\n");
1419 1420 1421 1422
		return -EAGAIN;
	}

	if ((ering->rx_pending > MAX_RX_AVAIL) ||
1423 1424
	    (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
						    MIN_RX_SIZE_TPA)) ||
1425 1426 1427 1428 1429 1430 1431
	    (ering->tx_pending > MAX_TX_AVAIL) ||
	    (ering->tx_pending <= MAX_SKB_FRAGS + 4))
		return -EINVAL;

	bp->rx_ring_size = ering->rx_pending;
	bp->tx_ring_size = ering->tx_pending;

1432
	return bnx2x_reload_if_running(dev);
1433 1434 1435 1436 1437 1438
}

static void bnx2x_get_pauseparam(struct net_device *dev,
				 struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);
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	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1440 1441
	int cfg_reg;

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	epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
			   BNX2X_FLOW_CTRL_AUTO);
1444

1445 1446 1447 1448 1449 1450
	if (!epause->autoneg)
		cfg_reg = bp->link_vars.flow_ctrl;
	else
		cfg_reg = bp->link_params.req_fc_auto_adv;

	epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1451
			    BNX2X_FLOW_CTRL_RX);
1452
	epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1453 1454 1455
			    BNX2X_FLOW_CTRL_TX);

	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1456
	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
1457 1458 1459 1460 1461 1462 1463
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
}

static int bnx2x_set_pauseparam(struct net_device *dev,
				struct ethtool_pauseparam *epause)
{
	struct bnx2x *bp = netdev_priv(dev);
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	u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
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	if (IS_MF(bp))
1466 1467 1468
		return 0;

	DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1469
	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
1470 1471
	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);

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	bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1473 1474

	if (epause->rx_pause)
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		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1476 1477

	if (epause->tx_pause)
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		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1479

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	if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
		bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1482 1483

	if (epause->autoneg) {
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		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1485 1486 1487 1488
			DP(NETIF_MSG_LINK, "autoneg not supported\n");
			return -EINVAL;
		}

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		if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
			bp->link_params.req_flow_ctrl[cfg_idx] =
				BNX2X_FLOW_CTRL_AUTO;
		}
1493 1494 1495
	}

	DP(NETIF_MSG_LINK,
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	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517

	if (netif_running(dev)) {
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
		bnx2x_link_set(bp);
	}

	return 0;
}

static const struct {
	char string[ETH_GSTRING_LEN];
} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
	{ "idle check (online)" }
};

1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535
enum {
	BNX2X_CHIP_E1_OFST = 0,
	BNX2X_CHIP_E1H_OFST,
	BNX2X_CHIP_E2_OFST,
	BNX2X_CHIP_E3_OFST,
	BNX2X_CHIP_E3B0_OFST,
	BNX2X_CHIP_MAX_OFST
};

#define BNX2X_CHIP_MASK_E1	(1 << BNX2X_CHIP_E1_OFST)
#define BNX2X_CHIP_MASK_E1H	(1 << BNX2X_CHIP_E1H_OFST)
#define BNX2X_CHIP_MASK_E2	(1 << BNX2X_CHIP_E2_OFST)
#define BNX2X_CHIP_MASK_E3	(1 << BNX2X_CHIP_E3_OFST)
#define BNX2X_CHIP_MASK_E3B0	(1 << BNX2X_CHIP_E3B0_OFST)

#define BNX2X_CHIP_MASK_ALL	((1 << BNX2X_CHIP_MAX_OFST) - 1)
#define BNX2X_CHIP_MASK_E1X	(BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)

1536 1537 1538
static int bnx2x_test_registers(struct bnx2x *bp)
{
	int idx, i, rc = -ENODEV;
1539
	u32 wr_val = 0, hw;
1540 1541
	int port = BP_PORT(bp);
	static const struct {
1542
		u32 hw;
1543 1544 1545 1546
		u32 offset0;
		u32 offset1;
		u32 mask;
	} reg_tbl[] = {
1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624
/* 0 */		{ BNX2X_CHIP_MASK_ALL,
			BRB1_REG_PAUSE_LOW_THRESHOLD_0,	4, 0x000003ff },
		{ BNX2X_CHIP_MASK_ALL,
			DORQ_REG_DB_ADDR0,		4, 0xffffffff },
		{ BNX2X_CHIP_MASK_E1X,
			HC_REG_AGG_INT_0,		4, 0x000003ff },
		{ BNX2X_CHIP_MASK_ALL,
			PBF_REG_MAC_IF0_ENABLE,		4, 0x00000001 },
		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
			PBF_REG_P0_INIT_CRD,		4, 0x000007ff },
		{ BNX2X_CHIP_MASK_E3B0,
			PBF_REG_INIT_CRD_Q0,		4, 0x000007ff },
		{ BNX2X_CHIP_MASK_ALL,
			PRS_REG_CID_PORT_0,		4, 0x00ffffff },
		{ BNX2X_CHIP_MASK_ALL,
			PXP2_REG_PSWRQ_CDU0_L2P,	4, 0x000fffff },
		{ BNX2X_CHIP_MASK_ALL,
			PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
		{ BNX2X_CHIP_MASK_ALL,
			PXP2_REG_PSWRQ_TM0_L2P,		4, 0x000fffff },
/* 10 */	{ BNX2X_CHIP_MASK_ALL,
			PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
		{ BNX2X_CHIP_MASK_ALL,
			PXP2_REG_PSWRQ_TSDM0_L2P,	4, 0x000fffff },
		{ BNX2X_CHIP_MASK_ALL,
			QM_REG_CONNNUM_0,		4, 0x000fffff },
		{ BNX2X_CHIP_MASK_ALL,
			TM_REG_LIN0_MAX_ACTIVE_CID,	4, 0x0003ffff },
		{ BNX2X_CHIP_MASK_ALL,
			SRC_REG_KEYRSS0_0,		40, 0xffffffff },
		{ BNX2X_CHIP_MASK_ALL,
			SRC_REG_KEYRSS0_7,		40, 0xffffffff },
		{ BNX2X_CHIP_MASK_ALL,
			XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
		{ BNX2X_CHIP_MASK_ALL,
			XCM_REG_WU_DA_CNT_CMD00,	4, 0x00000003 },
		{ BNX2X_CHIP_MASK_ALL,
			XCM_REG_GLB_DEL_ACK_MAX_CNT_0,	4, 0x000000ff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_T_BIT,		4, 0x00000001 },
/* 20 */	{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
			NIG_REG_EMAC0_IN_EN,		4, 0x00000001 },
		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
			NIG_REG_BMAC0_IN_EN,		4, 0x00000001 },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_XCM0_OUT_EN,		4, 0x00000001 },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_BRB0_OUT_EN,		4, 0x00000001 },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_XCM_MASK,		4, 0x00000007 },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_ACPI_PAT_6_LEN,	68, 0x000000ff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_ACPI_PAT_0_CRC,	68, 0xffffffff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_DEST_MAC_0_0,	160, 0xffffffff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_DEST_IP_0_1,	160, 0xffffffff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_IPV4_IPV6_0,	160, 0x00000001 },
/* 30 */	{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_DEST_UDP_0,	160, 0x0000ffff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_DEST_TCP_0,	160, 0x0000ffff },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LLH0_VLAN_ID_0,	160, 0x00000fff },
		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
			NIG_REG_XGXS_SERDES0_MODE_SEL,	4, 0x00000001 },
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
		{ BNX2X_CHIP_MASK_ALL,
			NIG_REG_STATUS_INTERRUPT_PORT0,	4, 0x07ffffff },
		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
			NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
			NIG_REG_SERDES0_CTRL_PHY_ADDR,	16, 0x0000001f },

		{ BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
1625 1626 1627 1628 1629
	};

	if (!netif_running(bp->dev))
		return rc;

1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
	if (CHIP_IS_E1(bp))
		hw = BNX2X_CHIP_MASK_E1;
	else if (CHIP_IS_E1H(bp))
		hw = BNX2X_CHIP_MASK_E1H;
	else if (CHIP_IS_E2(bp))
		hw = BNX2X_CHIP_MASK_E2;
	else if (CHIP_IS_E3B0(bp))
		hw = BNX2X_CHIP_MASK_E3B0;
	else /* e3 A0 */
		hw = BNX2X_CHIP_MASK_E3;

1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655
	/* Repeat the test twice:
	   First by writing 0x00000000, second by writing 0xffffffff */
	for (idx = 0; idx < 2; idx++) {

		switch (idx) {
		case 0:
			wr_val = 0;
			break;
		case 1:
			wr_val = 0xffffffff;
			break;
		}

		for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
			u32 offset, mask, save_val, val;
1656
			if (!(hw & reg_tbl[i].hw))
D
Dmitry Kravkov 已提交
1657
				continue;
1658 1659 1660 1661 1662 1663

			offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
			mask = reg_tbl[i].mask;

			save_val = REG_RD(bp, offset);

V
Vladislav Zolotarov 已提交
1664
			REG_WR(bp, offset, wr_val & mask);
D
Dmitry Kravkov 已提交
1665

1666 1667 1668 1669 1670 1671 1672
			val = REG_RD(bp, offset);

			/* Restore the original register's value */
			REG_WR(bp, offset, save_val);

			/* verify value is as expected */
			if ((val & mask) != (wr_val & mask)) {
1673
				DP(NETIF_MSG_HW,
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689
				   "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
				   offset, val, wr_val, mask);
				goto test_reg_exit;
			}
		}
	}

	rc = 0;

test_reg_exit:
	return rc;
}

static int bnx2x_test_memory(struct bnx2x *bp)
{
	int i, j, rc = -ENODEV;
1690
	u32 val, index;
1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
	static const struct {
		u32 offset;
		int size;
	} mem_tbl[] = {
		{ CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
		{ CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
		{ CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
		{ DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
		{ TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
		{ UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
		{ XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },

		{ 0xffffffff, 0 }
	};
1705

1706 1707 1708
	static const struct {
		char *name;
		u32 offset;
1709
		u32 hw_mask[BNX2X_CHIP_MAX_OFST];
1710
	} prty_tbl[] = {
1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724
		{ "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,
			{0x3ffc0, 0,   0, 0} },
		{ "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,
			{0x2,     0x2, 0, 0} },
		{ "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
			{0,       0,   0, 0} },
		{ "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,
			{0x3ffc0, 0,   0, 0} },
		{ "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,
			{0x3ffc0, 0,   0, 0} },
		{ "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,
			{0x3ffc1, 0,   0, 0} },

		{ NULL, 0xffffffff, {0, 0, 0, 0} }
1725 1726 1727 1728 1729
	};

	if (!netif_running(bp->dev))
		return rc;

1730 1731 1732 1733 1734 1735 1736 1737 1738
	if (CHIP_IS_E1(bp))
		index = BNX2X_CHIP_E1_OFST;
	else if (CHIP_IS_E1H(bp))
		index = BNX2X_CHIP_E1H_OFST;
	else if (CHIP_IS_E2(bp))
		index = BNX2X_CHIP_E2_OFST;
	else /* e3 */
		index = BNX2X_CHIP_E3_OFST;

D
Dmitry Kravkov 已提交
1739 1740 1741
	/* pre-Check the parity status */
	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
		val = REG_RD(bp, prty_tbl[i].offset);
1742
		if (val & ~(prty_tbl[i].hw_mask[index])) {
D
Dmitry Kravkov 已提交
1743 1744 1745 1746 1747 1748
			DP(NETIF_MSG_HW,
			   "%s is 0x%x\n", prty_tbl[i].name, val);
			goto test_mem_exit;
		}
	}

1749 1750 1751 1752 1753 1754 1755 1756
	/* Go through all the memories */
	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
		for (j = 0; j < mem_tbl[i].size; j++)
			REG_RD(bp, mem_tbl[i].offset + j*4);

	/* Check the parity status */
	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
		val = REG_RD(bp, prty_tbl[i].offset);
1757
		if (val & ~(prty_tbl[i].hw_mask[index])) {
1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769
			DP(NETIF_MSG_HW,
			   "%s is 0x%x\n", prty_tbl[i].name, val);
			goto test_mem_exit;
		}
	}

	rc = 0;

test_mem_exit:
	return rc;
}

Y
Yaniv Rosner 已提交
1770
static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1771
{
D
Dmitry Kravkov 已提交
1772
	int cnt = 1400;
1773

1774
	if (link_up) {
Y
Yaniv Rosner 已提交
1775
		while (bnx2x_link_test(bp, is_serdes) && cnt--)
1776 1777 1778 1779 1780
			msleep(20);

		if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
			DP(NETIF_MSG_LINK, "Timeout waiting for link up\n");
	}
1781 1782
}

1783
static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
1784 1785 1786 1787 1788 1789
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb;
	unsigned char *packet;
	struct bnx2x_fastpath *fp_rx = &bp->fp[0];
	struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1790
	struct bnx2x_fp_txdata *txdata = &fp_tx->txdata[0];
1791 1792
	u16 tx_start_idx, tx_idx;
	u16 rx_start_idx, rx_idx;
1793
	u16 pkt_prod, bd_prod;
1794 1795
	struct sw_tx_bd *tx_buf;
	struct eth_tx_start_bd *tx_start_bd;
D
Dmitry Kravkov 已提交
1796 1797
	struct eth_tx_parse_bd_e1x  *pbd_e1x = NULL;
	struct eth_tx_parse_bd_e2  *pbd_e2 = NULL;
1798 1799
	dma_addr_t mapping;
	union eth_rx_cqe *cqe;
1800
	u8 cqe_fp_flags, cqe_fp_type;
1801 1802 1803
	struct sw_rx_bd *rx_buf;
	u16 len;
	int rc = -ENODEV;
1804
	u8 *data;
D
Dmitry Kravkov 已提交
1805
	struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txdata->txq_index);
1806 1807 1808 1809

	/* check the loopback mode */
	switch (loopback_mode) {
	case BNX2X_PHY_LOOPBACK:
Y
Yaniv Rosner 已提交
1810
		if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1811 1812 1813
			return -EINVAL;
		break;
	case BNX2X_MAC_LOOPBACK:
Y
Yaniv Rosner 已提交
1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825
		if (CHIP_IS_E3(bp)) {
			int cfg_idx = bnx2x_get_link_cfg_idx(bp);
			if (bp->port.supported[cfg_idx] &
			    (SUPPORTED_10000baseT_Full |
			     SUPPORTED_20000baseMLD2_Full |
			     SUPPORTED_20000baseKR2_Full))
				bp->link_params.loopback_mode = LOOPBACK_XMAC;
			else
				bp->link_params.loopback_mode = LOOPBACK_UMAC;
		} else
			bp->link_params.loopback_mode = LOOPBACK_BMAC;

1826 1827 1828 1829 1830 1831 1832 1833 1834
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
		break;
	default:
		return -EINVAL;
	}

	/* prepare the loopback packet */
	pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
		     bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1835
	skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
1836 1837 1838 1839 1840 1841 1842 1843 1844 1845
	if (!skb) {
		rc = -ENOMEM;
		goto test_loopback_exit;
	}
	packet = skb_put(skb, pkt_size);
	memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
	memset(packet + ETH_ALEN, 0, ETH_ALEN);
	memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
	for (i = ETH_HLEN; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);
1846 1847 1848 1849 1850 1851 1852 1853
	mapping = dma_map_single(&bp->pdev->dev, skb->data,
				 skb_headlen(skb), DMA_TO_DEVICE);
	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
		rc = -ENOMEM;
		dev_kfree_skb(skb);
		BNX2X_ERR("Unable to map SKB\n");
		goto test_loopback_exit;
	}
1854 1855 1856

	/* send the loopback packet */
	num_pkts = 0;
1857
	tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
1858 1859
	rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);

D
Dmitry Kravkov 已提交
1860 1861
	netdev_tx_sent_queue(txq, skb->len);

1862 1863 1864
	pkt_prod = txdata->tx_pkt_prod++;
	tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
	tx_buf->first_bd = txdata->tx_bd_prod;
1865 1866 1867
	tx_buf->skb = skb;
	tx_buf->flags = 0;

1868 1869
	bd_prod = TX_BD(txdata->tx_bd_prod);
	tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
1870 1871 1872 1873
	tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
	tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
	tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
	tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1874
	tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1875
	tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1876 1877 1878 1879 1880 1881
	SET_FLAG(tx_start_bd->general_data,
		 ETH_TX_START_BD_ETH_ADDR_TYPE,
		 UNICAST_ADDRESS);
	SET_FLAG(tx_start_bd->general_data,
		 ETH_TX_START_BD_HDR_NBDS,
		 1);
1882 1883 1884

	/* turn on parsing and get a BD */
	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
D
Dmitry Kravkov 已提交
1885

1886 1887
	pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
	pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
1888

D
Dmitry Kravkov 已提交
1889
	memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1890
	memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1891 1892 1893

	wmb();

1894
	txdata->tx_db.data.prod += 2;
1895
	barrier();
1896
	DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
1897 1898

	mmiowb();
1899
	barrier();
1900 1901

	num_pkts++;
1902
	txdata->tx_bd_prod += 2; /* start + pbd */
1903 1904 1905

	udelay(100);

1906
	tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
1907 1908 1909
	if (tx_idx != tx_start_idx + num_pkts)
		goto test_loopback_exit;

D
Dmitry Kravkov 已提交
1910 1911 1912 1913
	/* Unlike HC IGU won't generate an interrupt for status block
	 * updates that have been performed while interrupts were
	 * disabled.
	 */
1914 1915 1916 1917 1918 1919
	if (bp->common.int_block == INT_BLOCK_IGU) {
		/* Disable local BHes to prevent a dead-lock situation between
		 * sch_direct_xmit() and bnx2x_run_loopback() (calling
		 * bnx2x_tx_int()), as both are taking netif_tx_lock().
		 */
		local_bh_disable();
1920
		bnx2x_tx_int(bp, txdata);
1921 1922
		local_bh_enable();
	}
D
Dmitry Kravkov 已提交
1923

1924 1925 1926 1927
	rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
	if (rx_idx != rx_start_idx + num_pkts)
		goto test_loopback_exit;

1928
	cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1929
	cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1930 1931
	cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
	if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1932 1933 1934 1935 1936 1937 1938
		goto test_loopback_rx_exit;

	len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
	if (len != pkt_size)
		goto test_loopback_rx_exit;

	rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1939
	dma_sync_single_for_cpu(&bp->pdev->dev,
1940 1941
				   dma_unmap_addr(rx_buf, mapping),
				   fp_rx->rx_buf_size, DMA_FROM_DEVICE);
1942
	data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
1943
	for (i = ETH_HLEN; i < pkt_size; i++)
1944
		if (*(data + i) != (unsigned char) (i & 0xff))
1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965
			goto test_loopback_rx_exit;

	rc = 0;

test_loopback_rx_exit:

	fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
	fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
	fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
	fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);

	/* Update producers */
	bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
			     fp_rx->rx_sge_prod);

test_loopback_exit:
	bp->link_params.loopback_mode = LOOPBACK_NONE;

	return rc;
}

1966
static int bnx2x_test_loopback(struct bnx2x *bp)
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
{
	int rc = 0, res;

	if (BP_NOMCP(bp))
		return rc;

	if (!netif_running(bp->dev))
		return BNX2X_LOOPBACK_FAILED;

	bnx2x_netif_stop(bp, 1);
	bnx2x_acquire_phy_lock(bp);

1979
	res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
1980 1981 1982 1983 1984
	if (res) {
		DP(NETIF_MSG_PROBE, "  PHY loopback failed  (res %d)\n", res);
		rc |= BNX2X_PHY_LOOPBACK_FAILED;
	}

1985
	res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
	if (res) {
		DP(NETIF_MSG_PROBE, "  MAC loopback failed  (res %d)\n", res);
		rc |= BNX2X_MAC_LOOPBACK_FAILED;
	}

	bnx2x_release_phy_lock(bp);
	bnx2x_netif_start(bp);

	return rc;
}

#define CRC32_RESIDUAL			0xdebb20e3

static int bnx2x_test_nvram(struct bnx2x *bp)
{
	static const struct {
		int offset;
		int size;
	} nvram_tbl[] = {
		{     0,  0x14 }, /* bootstrap */
		{  0x14,  0xec }, /* dir */
		{ 0x100, 0x350 }, /* manuf_info */
		{ 0x450,  0xf0 }, /* feature_info */
		{ 0x640,  0x64 }, /* upgrade_key_info */
		{ 0x708,  0x70 }, /* manuf_key_info */
		{     0,     0 }
	};
2013 2014
	__be32 *buf;
	u8 *data;
2015 2016 2017 2018 2019 2020
	int i, rc;
	u32 magic, crc;

	if (BP_NOMCP(bp))
		return 0;

2021 2022 2023 2024 2025 2026 2027 2028
	buf = kmalloc(0x350, GFP_KERNEL);
	if (!buf) {
		DP(NETIF_MSG_PROBE, "kmalloc failed\n");
		rc = -ENOMEM;
		goto test_nvram_exit;
	}
	data = (u8 *)buf;

2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061
	rc = bnx2x_nvram_read(bp, 0, data, 4);
	if (rc) {
		DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
		goto test_nvram_exit;
	}

	magic = be32_to_cpu(buf[0]);
	if (magic != 0x669955aa) {
		DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
		rc = -ENODEV;
		goto test_nvram_exit;
	}

	for (i = 0; nvram_tbl[i].size; i++) {

		rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
				      nvram_tbl[i].size);
		if (rc) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] read data (rc %d)\n", i, rc);
			goto test_nvram_exit;
		}

		crc = ether_crc_le(nvram_tbl[i].size, data);
		if (crc != CRC32_RESIDUAL) {
			DP(NETIF_MSG_PROBE,
			   "nvram_tbl[%d] crc value (0x%08x)\n", i, crc);
			rc = -ENODEV;
			goto test_nvram_exit;
		}
	}

test_nvram_exit:
2062
	kfree(buf);
2063 2064 2065
	return rc;
}

2066
/* Send an EMPTY ramrod on the first queue */
2067 2068
static int bnx2x_test_intr(struct bnx2x *bp)
{
2069
	struct bnx2x_queue_state_params params = {0};
2070 2071 2072 2073

	if (!netif_running(bp->dev))
		return -ENODEV;

2074 2075
	params.q_obj = &bp->fp->q_obj;
	params.cmd = BNX2X_Q_CMD_EMPTY;
2076

2077 2078 2079
	__set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);

	return bnx2x_queue_state_change(bp, &params);
2080 2081 2082 2083 2084 2085
}

static void bnx2x_self_test(struct net_device *dev,
			    struct ethtool_test *etest, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);
Y
Yaniv Rosner 已提交
2086
	u8 is_serdes;
2087
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2088 2089
		netdev_err(bp->dev, "Handling parity error recovery. "
				    "Try again later\n");
2090 2091 2092 2093 2094 2095 2096 2097 2098 2099
		etest->flags |= ETH_TEST_FL_FAILED;
		return;
	}

	memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);

	if (!netif_running(dev))
		return;

	/* offline tests are not supported in MF mode */
D
Dmitry Kravkov 已提交
2100
	if (IS_MF(bp))
2101
		etest->flags &= ~ETH_TEST_FL_OFFLINE;
Y
Yaniv Rosner 已提交
2102
	is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113

	if (etest->flags & ETH_TEST_FL_OFFLINE) {
		int port = BP_PORT(bp);
		u32 val;
		u8 link_up;

		/* save current value of input enable for TX port IF */
		val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
		/* disable input for TX port IF */
		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);

Y
Yaniv Rosner 已提交
2114 2115
		link_up = bp->link_vars.link_up;

2116 2117 2118
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_DIAG);
		/* wait until link state is restored */
2119
		bnx2x_wait_for_link(bp, 1, is_serdes);
2120 2121 2122 2123 2124 2125 2126 2127 2128

		if (bnx2x_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2x_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
D
Dmitry Kravkov 已提交
2129

2130
		buf[2] = bnx2x_test_loopback(bp);
2131 2132 2133 2134 2135 2136 2137 2138 2139 2140
		if (buf[2] != 0)
			etest->flags |= ETH_TEST_FL_FAILED;

		bnx2x_nic_unload(bp, UNLOAD_NORMAL);

		/* restore input for TX port IF */
		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);

		bnx2x_nic_load(bp, LOAD_NORMAL);
		/* wait until link state is restored */
Y
Yaniv Rosner 已提交
2141
		bnx2x_wait_for_link(bp, link_up, is_serdes);
2142 2143 2144 2145 2146 2147 2148 2149 2150
	}
	if (bnx2x_test_nvram(bp) != 0) {
		buf[3] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bnx2x_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
2151 2152 2153 2154 2155

	if (bnx2x_link_test(bp, is_serdes) != 0) {
		buf[5] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
2156 2157 2158 2159 2160 2161 2162 2163 2164

#ifdef BNX2X_EXTRA_DEBUG
	bnx2x_panic_dump(bp);
#endif
}

#define IS_PORT_STAT(i) \
	((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
#define IS_FUNC_STAT(i)		(bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
D
Dmitry Kravkov 已提交
2165 2166
#define IS_MF_MODE_STAT(bp) \
			(IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
2167

2168 2169 2170 2171 2172 2173 2174 2175
/* ethtool statistics are displayed for all regular ethernet queues and the
 * fcoe L2 queue if not disabled
 */
static inline int bnx2x_num_stat_queues(struct bnx2x *bp)
{
	return BNX2X_NUM_ETH_QUEUES(bp);
}

2176 2177 2178 2179 2180 2181 2182 2183
static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
{
	struct bnx2x *bp = netdev_priv(dev);
	int i, num_stats;

	switch (stringset) {
	case ETH_SS_STATS:
		if (is_multi(bp)) {
2184
			num_stats = bnx2x_num_stat_queues(bp) *
2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
						BNX2X_NUM_Q_STATS;
		} else
			num_stats = 0;
		if (IS_MF_MODE_STAT(bp)) {
			for (i = 0; i < BNX2X_NUM_STATS; i++)
				if (IS_FUNC_STAT(i))
					num_stats++;
		} else
			num_stats += BNX2X_NUM_STATS;

2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
		return num_stats;

	case ETH_SS_TEST:
		return BNX2X_NUM_TESTS;

	default:
		return -EINVAL;
	}
}

static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);
	int i, j, k;
V
Vladislav Zolotarov 已提交
2209
	char queue_name[MAX_QUEUE_NAME_LEN+1];
2210 2211 2212

	switch (stringset) {
	case ETH_SS_STATS:
2213
		k = 0;
2214
		if (is_multi(bp)) {
2215
			for_each_eth_queue(bp, i) {
V
Vladislav Zolotarov 已提交
2216
				memset(queue_name, 0, sizeof(queue_name));
2217
				sprintf(queue_name, "%d", i);
2218
				for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
V
Vladislav Zolotarov 已提交
2219 2220 2221 2222
					snprintf(buf + (k + j)*ETH_GSTRING_LEN,
						ETH_GSTRING_LEN,
						bnx2x_q_stats_arr[j].string,
						queue_name);
2223 2224 2225
				k += BNX2X_NUM_Q_STATS;
			}
		}
2226 2227 2228 2229 2230 2231 2232 2233 2234 2235


		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
			if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
				continue;
			strcpy(buf + (k + j)*ETH_GSTRING_LEN,
				   bnx2x_stats_arr[i].string);
			j++;
		}

2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248
		break;

	case ETH_SS_TEST:
		memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
		break;
	}
}

static void bnx2x_get_ethtool_stats(struct net_device *dev,
				    struct ethtool_stats *stats, u64 *buf)
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 *hw_stats, *offset;
2249
	int i, j, k = 0;
2250 2251

	if (is_multi(bp)) {
2252
		for_each_eth_queue(bp, i) {
2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271
			hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
			for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
				if (bnx2x_q_stats_arr[j].size == 0) {
					/* skip this counter */
					buf[k + j] = 0;
					continue;
				}
				offset = (hw_stats +
					  bnx2x_q_stats_arr[j].offset);
				if (bnx2x_q_stats_arr[j].size == 4) {
					/* 4-byte counter */
					buf[k + j] = (u64) *offset;
					continue;
				}
				/* 8-byte counter */
				buf[k + j] = HILO_U64(*offset, *(offset + 1));
			}
			k += BNX2X_NUM_Q_STATS;
		}
2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282
	}

	hw_stats = (u32 *)&bp->eth_stats;
	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
		if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
			continue;
		if (bnx2x_stats_arr[i].size == 0) {
			/* skip this counter */
			buf[k + j] = 0;
			j++;
			continue;
2283
		}
2284 2285 2286 2287
		offset = (hw_stats + bnx2x_stats_arr[i].offset);
		if (bnx2x_stats_arr[i].size == 4) {
			/* 4-byte counter */
			buf[k + j] = (u64) *offset;
2288
			j++;
2289
			continue;
2290
		}
2291 2292 2293
		/* 8-byte counter */
		buf[k + j] = HILO_U64(*offset, *(offset + 1));
		j++;
2294 2295 2296
	}
}

2297 2298
static int bnx2x_set_phys_id(struct net_device *dev,
			     enum ethtool_phys_id_state state)
2299 2300 2301 2302
{
	struct bnx2x *bp = netdev_priv(dev);

	if (!netif_running(dev))
2303
		return -EAGAIN;
2304 2305

	if (!bp->port.pmf)
2306
		return -EOPNOTSUPP;
2307

2308 2309
	switch (state) {
	case ETHTOOL_ID_ACTIVE:
2310
		return 1;	/* cycle on/off once per second */
2311

2312 2313
	case ETHTOOL_ID_ON:
		bnx2x_set_led(&bp->link_params, &bp->link_vars,
2314
			      LED_MODE_ON, SPEED_1000);
2315
		break;
2316

2317 2318
	case ETHTOOL_ID_OFF:
		bnx2x_set_led(&bp->link_params, &bp->link_vars,
2319
			      LED_MODE_FRONT_PANEL_OFF, 0);
2320

2321 2322 2323
		break;

	case ETHTOOL_ID_INACTIVE:
2324 2325 2326
		bnx2x_set_led(&bp->link_params, &bp->link_vars,
			      LED_MODE_OPER,
			      bp->link_vars.line_speed);
2327
	}
2328 2329 2330 2331

	return 0;
}

2332
static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2333
			   u32 *rules __always_unused)
2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346
{
	struct bnx2x *bp = netdev_priv(dev);

	switch (info->cmd) {
	case ETHTOOL_GRXRINGS:
		info->data = BNX2X_NUM_ETH_QUEUES(bp);
		return 0;

	default:
		return -EOPNOTSUPP;
	}
}

2347 2348 2349 2350 2351 2352 2353 2354 2355
static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	return (bp->multi_mode == ETH_RSS_MODE_DISABLED ?
		0 : T_ETH_INDIRECTION_TABLE_SIZE);
}

static int bnx2x_get_rxfh_indir(struct net_device *dev, u32 *indir)
2356 2357
{
	struct bnx2x *bp = netdev_priv(dev);
2358 2359
	u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
	size_t i;
2360

2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372
	/* Get the current configuration of the RSS indirection table */
	bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);

	/*
	 * We can't use a memcpy() as an internal storage of an
	 * indirection table is a u8 array while indir->ring_index
	 * points to an array of u32.
	 *
	 * Indirection table contains the FW Client IDs, so we need to
	 * align the returned table to the Client ID of the leading RSS
	 * queue.
	 */
2373 2374
	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
		indir[i] = ind_table[i] - bp->fp->cl_id;
2375

2376 2377 2378
	return 0;
}

2379
static int bnx2x_set_rxfh_indir(struct net_device *dev, const u32 *indir)
2380 2381 2382
{
	struct bnx2x *bp = netdev_priv(dev);
	size_t i;
2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394
	u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};

	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
		/*
		 * The same as in bnx2x_get_rxfh_indir: we can't use a memcpy()
		 * as an internal storage of an indirection table is a u8 array
		 * while indir->ring_index points to an array of u32.
		 *
		 * Indirection table contains the FW Client IDs, so we need to
		 * align the received table to the Client ID of the leading RSS
		 * queue
		 */
2395
		ind_table[i] = indir[i] + bp->fp->cl_id;
2396
	}
2397

2398
	return bnx2x_config_rss_pf(bp, ind_table, false);
2399 2400
}

2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424
static const struct ethtool_ops bnx2x_ethtool_ops = {
	.get_settings		= bnx2x_get_settings,
	.set_settings		= bnx2x_set_settings,
	.get_drvinfo		= bnx2x_get_drvinfo,
	.get_regs_len		= bnx2x_get_regs_len,
	.get_regs		= bnx2x_get_regs,
	.get_wol		= bnx2x_get_wol,
	.set_wol		= bnx2x_set_wol,
	.get_msglevel		= bnx2x_get_msglevel,
	.set_msglevel		= bnx2x_set_msglevel,
	.nway_reset		= bnx2x_nway_reset,
	.get_link		= bnx2x_get_link,
	.get_eeprom_len		= bnx2x_get_eeprom_len,
	.get_eeprom		= bnx2x_get_eeprom,
	.set_eeprom		= bnx2x_set_eeprom,
	.get_coalesce		= bnx2x_get_coalesce,
	.set_coalesce		= bnx2x_set_coalesce,
	.get_ringparam		= bnx2x_get_ringparam,
	.set_ringparam		= bnx2x_set_ringparam,
	.get_pauseparam		= bnx2x_get_pauseparam,
	.set_pauseparam		= bnx2x_set_pauseparam,
	.self_test		= bnx2x_self_test,
	.get_sset_count		= bnx2x_get_sset_count,
	.get_strings		= bnx2x_get_strings,
2425
	.set_phys_id		= bnx2x_set_phys_id,
2426
	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
2427
	.get_rxnfc		= bnx2x_get_rxnfc,
2428
	.get_rxfh_indir_size	= bnx2x_get_rxfh_indir_size,
2429 2430
	.get_rxfh_indir		= bnx2x_get_rxfh_indir,
	.set_rxfh_indir		= bnx2x_set_rxfh_indir,
2431 2432 2433 2434 2435 2436
};

void bnx2x_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
}