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Release 4.11 drivers/net/ethernet/altera/altera_tse_ethtool.c

/* Ethtool support for Altera Triple-Speed Ethernet MAC driver
 * Copyright (C) 2008-2014 Altera Corporation. All rights reserved
 *
 * Contributors:
 *   Dalon Westergreen
 *   Thomas Chou
 *   Ian Abbott
 *   Yuriy Kozlov
 *   Tobias Klauser
 *   Andriy Smolskyy
 *   Roman Bulgakov
 *   Dmytro Mytarchuk
 *
 * Original driver contributed by SLS.
 * Major updates contributed by GlobalLogic
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/ethtool.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/phy.h>

#include "altera_tse.h"


#define TSE_STATS_LEN	31

#define TSE_NUM_REGS	128


static char const stat_gstrings[][ETH_GSTRING_LEN] = {
	"tx_packets",
	"rx_packets",
	"rx_crc_errors",
	"rx_align_errors",
	"tx_bytes",
	"rx_bytes",
	"tx_pause",
	"rx_pause",
	"rx_errors",
	"tx_errors",
	"rx_unicast",
	"rx_multicast",
	"rx_broadcast",
	"tx_discards",
	"tx_unicast",
	"tx_multicast",
	"tx_broadcast",
	"ether_drops",
	"rx_total_bytes",
	"rx_total_packets",
	"rx_undersize",
	"rx_oversize",
	"rx_64_bytes",
	"rx_65_127_bytes",
	"rx_128_255_bytes",
	"rx_256_511_bytes",
	"rx_512_1023_bytes",
	"rx_1024_1518_bytes",
	"rx_gte_1519_bytes",
	"rx_jabbers",
	"rx_runts",
};


static void tse_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct altera_tse_private *priv = netdev_priv(dev); u32 rev = ioread32(&priv->mac_dev->megacore_revision); strcpy(info->driver, "altera_tse"); strcpy(info->version, "v8.0"); snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "v%d.%d", rev & 0xFFFF, (rev & 0xFFFF0000) >> 16); sprintf(info->bus_info, "platform"); }

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/* Fill in a buffer with the strings which correspond to the * stats */
static void tse_gstrings(struct net_device *dev, u32 stringset, u8 *buf) { memcpy(buf, stat_gstrings, TSE_STATS_LEN * ETH_GSTRING_LEN); }

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static void tse_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 *buf) { struct altera_tse_private *priv = netdev_priv(dev); u64 ext; buf[0] = csrrd32(priv->mac_dev, tse_csroffs(frames_transmitted_ok)); buf[1] = csrrd32(priv->mac_dev, tse_csroffs(frames_received_ok)); buf[2] = csrrd32(priv->mac_dev, tse_csroffs(frames_check_sequence_errors)); buf[3] = csrrd32(priv->mac_dev, tse_csroffs(alignment_errors)); /* Extended aOctetsTransmittedOK counter */ ext = (u64) csrrd32(priv->mac_dev, tse_csroffs(msb_octets_transmitted_ok)) << 32; ext |= csrrd32(priv->mac_dev, tse_csroffs(octets_transmitted_ok)); buf[4] = ext; /* Extended aOctetsReceivedOK counter */ ext = (u64) csrrd32(priv->mac_dev, tse_csroffs(msb_octets_received_ok)) << 32; ext |= csrrd32(priv->mac_dev, tse_csroffs(octets_received_ok)); buf[5] = ext; buf[6] = csrrd32(priv->mac_dev, tse_csroffs(tx_pause_mac_ctrl_frames)); buf[7] = csrrd32(priv->mac_dev, tse_csroffs(rx_pause_mac_ctrl_frames)); buf[8] = csrrd32(priv->mac_dev, tse_csroffs(if_in_errors)); buf[9] = csrrd32(priv->mac_dev, tse_csroffs(if_out_errors)); buf[10] = csrrd32(priv->mac_dev, tse_csroffs(if_in_ucast_pkts)); buf[11] = csrrd32(priv->mac_dev, tse_csroffs(if_in_multicast_pkts)); buf[12] = csrrd32(priv->mac_dev, tse_csroffs(if_in_broadcast_pkts)); buf[13] = csrrd32(priv->mac_dev, tse_csroffs(if_out_discards)); buf[14] = csrrd32(priv->mac_dev, tse_csroffs(if_out_ucast_pkts)); buf[15] = csrrd32(priv->mac_dev, tse_csroffs(if_out_multicast_pkts)); buf[16] = csrrd32(priv->mac_dev, tse_csroffs(if_out_broadcast_pkts)); buf[17] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_drop_events)); /* Extended etherStatsOctets counter */ ext = (u64) csrrd32(priv->mac_dev, tse_csroffs(msb_ether_stats_octets)) << 32; ext |= csrrd32(priv->mac_dev, tse_csroffs(ether_stats_octets)); buf[18] = ext; buf[19] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts)); buf[20] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_undersize_pkts)); buf[21] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_oversize_pkts)); buf[22] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_64_octets)); buf[23] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_65to127_octets)); buf[24] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_128to255_octets)); buf[25] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_256to511_octets)); buf[26] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_512to1023_octets)); buf[27] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_1024to1518_octets)); buf[28] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_pkts_1519tox_octets)); buf[29] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_jabbers)); buf[30] = csrrd32(priv->mac_dev, tse_csroffs(ether_stats_fragments)); }

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static int tse_sset_count(struct net_device *dev, int sset) { switch (sset) { case ETH_SS_STATS: return TSE_STATS_LEN; default: return -EOPNOTSUPP; } }

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static u32 tse_get_msglevel(struct net_device *dev) { struct altera_tse_private *priv = netdev_priv(dev); return priv->msg_enable; }

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static void tse_set_msglevel(struct net_device *dev, uint32_t data) { struct altera_tse_private *priv = netdev_priv(dev); priv->msg_enable = data; }

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static int tse_reglen(struct net_device *dev) { return TSE_NUM_REGS * sizeof(u32); }

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static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) { int i; struct altera_tse_private *priv = netdev_priv(dev); u32 *buf = regbuf; /* Set version to a known value, so ethtool knows * how to do any special formatting of this data. * This version number will need to change if and * when this register table is changed. * * version[31:0] = 1: Dump the first 128 TSE Registers * Upper bits are all 0 by default * * Upper 16-bits will indicate feature presence for * Ethtool register decoding in future version. */ regs->version = 1; for (i = 0; i < TSE_NUM_REGS; i++) buf[i] = csrrd32(priv->mac_dev, i * 4); }

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static const struct ethtool_ops tse_ethtool_ops = { .get_drvinfo = tse_get_drvinfo, .get_regs_len = tse_reglen, .get_regs = tse_get_regs, .get_link = ethtool_op_get_link, .get_strings = tse_gstrings, .get_sset_count = tse_sset_count, .get_ethtool_stats = tse_fill_stats, .get_msglevel = tse_get_msglevel, .set_msglevel = tse_set_msglevel, .get_link_ksettings = phy_ethtool_get_link_ksettings, .set_link_ksettings = phy_ethtool_set_link_ksettings, };
void altera_tse_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &tse_ethtool_ops; }

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