276 lines
7.5 KiB
C
276 lines
7.5 KiB
C
/* Ethtool support for Altera Triple-Speed Ethernet MAC driver
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* Copyright (C) 2008-2014 Altera Corporation. All rights reserved
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*
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* Contributors:
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* Dalon Westergreen
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* Thomas Chou
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* Ian Abbott
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* Yuriy Kozlov
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* Tobias Klauser
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* Andriy Smolskyy
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* Roman Bulgakov
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* Dmytro Mytarchuk
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*
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* Original driver contributed by SLS.
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* Major updates contributed by GlobalLogic
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/ethtool.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <linux/phy.h>
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#include "altera_tse.h"
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#define TSE_STATS_LEN 31
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#define TSE_NUM_REGS 128
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static char const stat_gstrings[][ETH_GSTRING_LEN] = {
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"tx_packets",
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"rx_packets",
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"rx_crc_errors",
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"rx_align_errors",
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"tx_bytes",
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"rx_bytes",
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"tx_pause",
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"rx_pause",
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"rx_errors",
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"tx_errors",
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"rx_unicast",
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"rx_multicast",
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"rx_broadcast",
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"tx_discards",
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"tx_unicast",
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"tx_multicast",
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"tx_broadcast",
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"ether_drops",
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"rx_total_bytes",
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"rx_total_packets",
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"rx_undersize",
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"rx_oversize",
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"rx_64_bytes",
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"rx_65_127_bytes",
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"rx_128_255_bytes",
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"rx_256_511_bytes",
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"rx_512_1023_bytes",
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"rx_1024_1518_bytes",
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"rx_gte_1519_bytes",
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"rx_jabbers",
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"rx_runts",
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};
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static void tse_get_drvinfo(struct net_device *dev,
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struct ethtool_drvinfo *info)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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u32 rev = ioread32(&priv->mac_dev->megacore_revision);
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strcpy(info->driver, "altera_tse");
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strcpy(info->version, "v8.0");
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snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "v%d.%d",
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rev & 0xFFFF, (rev & 0xFFFF0000) >> 16);
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sprintf(info->bus_info, "platform");
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}
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/* Fill in a buffer with the strings which correspond to the
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* stats
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*/
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static void tse_gstrings(struct net_device *dev, u32 stringset, u8 *buf)
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{
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memcpy(buf, stat_gstrings, TSE_STATS_LEN * ETH_GSTRING_LEN);
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}
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static void tse_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
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u64 *buf)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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u64 ext;
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buf[0] = csrrd32(priv->mac_dev,
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tse_csroffs(frames_transmitted_ok));
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buf[1] = csrrd32(priv->mac_dev,
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tse_csroffs(frames_received_ok));
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buf[2] = csrrd32(priv->mac_dev,
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tse_csroffs(frames_check_sequence_errors));
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buf[3] = csrrd32(priv->mac_dev,
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tse_csroffs(alignment_errors));
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/* Extended aOctetsTransmittedOK counter */
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ext = (u64) csrrd32(priv->mac_dev,
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tse_csroffs(msb_octets_transmitted_ok)) << 32;
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ext |= csrrd32(priv->mac_dev,
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tse_csroffs(octets_transmitted_ok));
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buf[4] = ext;
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/* Extended aOctetsReceivedOK counter */
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ext = (u64) csrrd32(priv->mac_dev,
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tse_csroffs(msb_octets_received_ok)) << 32;
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ext |= csrrd32(priv->mac_dev,
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tse_csroffs(octets_received_ok));
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buf[5] = ext;
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buf[6] = csrrd32(priv->mac_dev,
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tse_csroffs(tx_pause_mac_ctrl_frames));
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buf[7] = csrrd32(priv->mac_dev,
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tse_csroffs(rx_pause_mac_ctrl_frames));
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buf[8] = csrrd32(priv->mac_dev,
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tse_csroffs(if_in_errors));
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buf[9] = csrrd32(priv->mac_dev,
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tse_csroffs(if_out_errors));
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buf[10] = csrrd32(priv->mac_dev,
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tse_csroffs(if_in_ucast_pkts));
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buf[11] = csrrd32(priv->mac_dev,
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tse_csroffs(if_in_multicast_pkts));
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buf[12] = csrrd32(priv->mac_dev,
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tse_csroffs(if_in_broadcast_pkts));
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buf[13] = csrrd32(priv->mac_dev,
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tse_csroffs(if_out_discards));
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buf[14] = csrrd32(priv->mac_dev,
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tse_csroffs(if_out_ucast_pkts));
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buf[15] = csrrd32(priv->mac_dev,
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tse_csroffs(if_out_multicast_pkts));
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buf[16] = csrrd32(priv->mac_dev,
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tse_csroffs(if_out_broadcast_pkts));
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buf[17] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_drop_events));
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/* Extended etherStatsOctets counter */
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ext = (u64) csrrd32(priv->mac_dev,
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tse_csroffs(msb_ether_stats_octets)) << 32;
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ext |= csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_octets));
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buf[18] = ext;
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buf[19] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts));
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buf[20] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_undersize_pkts));
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buf[21] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_oversize_pkts));
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buf[22] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_64_octets));
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buf[23] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_65to127_octets));
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buf[24] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_128to255_octets));
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buf[25] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_256to511_octets));
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buf[26] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_512to1023_octets));
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buf[27] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_1024to1518_octets));
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buf[28] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_pkts_1519tox_octets));
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buf[29] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_jabbers));
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buf[30] = csrrd32(priv->mac_dev,
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tse_csroffs(ether_stats_fragments));
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}
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static int tse_sset_count(struct net_device *dev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return TSE_STATS_LEN;
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default:
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return -EOPNOTSUPP;
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}
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}
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static u32 tse_get_msglevel(struct net_device *dev)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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return priv->msg_enable;
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}
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static void tse_set_msglevel(struct net_device *dev, uint32_t data)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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priv->msg_enable = data;
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}
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static int tse_reglen(struct net_device *dev)
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{
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return TSE_NUM_REGS * sizeof(u32);
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}
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static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
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void *regbuf)
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{
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int i;
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struct altera_tse_private *priv = netdev_priv(dev);
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u32 *buf = regbuf;
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/* Set version to a known value, so ethtool knows
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* how to do any special formatting of this data.
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* This version number will need to change if and
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* when this register table is changed.
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*
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* version[31:0] = 1: Dump the first 128 TSE Registers
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* Upper bits are all 0 by default
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*
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* Upper 16-bits will indicate feature presence for
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* Ethtool register decoding in future version.
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*/
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regs->version = 1;
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for (i = 0; i < TSE_NUM_REGS; i++)
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buf[i] = csrrd32(priv->mac_dev, i * 4);
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}
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static int tse_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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struct phy_device *phydev = priv->phydev;
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if (phydev == NULL)
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return -ENODEV;
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return phy_ethtool_gset(phydev, cmd);
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}
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static int tse_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct altera_tse_private *priv = netdev_priv(dev);
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struct phy_device *phydev = priv->phydev;
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if (phydev == NULL)
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return -ENODEV;
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return phy_ethtool_sset(phydev, cmd);
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}
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static const struct ethtool_ops tse_ethtool_ops = {
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.get_drvinfo = tse_get_drvinfo,
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.get_regs_len = tse_reglen,
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.get_regs = tse_get_regs,
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.get_link = ethtool_op_get_link,
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.get_settings = tse_get_settings,
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.set_settings = tse_set_settings,
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.get_strings = tse_gstrings,
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.get_sset_count = tse_sset_count,
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.get_ethtool_stats = tse_fill_stats,
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.get_msglevel = tse_get_msglevel,
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.set_msglevel = tse_set_msglevel,
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};
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void altera_tse_set_ethtool_ops(struct net_device *netdev)
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{
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netdev->ethtool_ops = &tse_ethtool_ops;
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}
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