186 lines
6.3 KiB
C
186 lines
6.3 KiB
C
/*
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* Copyright(c) 2017 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* This file contains OPA VNIC ethtool functions
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*/
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#include <linux/ethtool.h>
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#include "opa_vnic_internal.h"
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enum {NETDEV_STATS, VNIC_STATS};
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struct vnic_stats {
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char stat_string[ETH_GSTRING_LEN];
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struct {
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int sizeof_stat;
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int stat_offset;
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};
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};
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#define VNIC_STAT(m) { sizeof_field(struct opa_vnic_stats, m), \
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offsetof(struct opa_vnic_stats, m) }
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static struct vnic_stats vnic_gstrings_stats[] = {
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/* NETDEV stats */
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{"rx_packets", VNIC_STAT(netstats.rx_packets)},
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{"tx_packets", VNIC_STAT(netstats.tx_packets)},
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{"rx_bytes", VNIC_STAT(netstats.rx_bytes)},
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{"tx_bytes", VNIC_STAT(netstats.tx_bytes)},
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{"rx_errors", VNIC_STAT(netstats.rx_errors)},
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{"tx_errors", VNIC_STAT(netstats.tx_errors)},
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{"rx_dropped", VNIC_STAT(netstats.rx_dropped)},
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{"tx_dropped", VNIC_STAT(netstats.tx_dropped)},
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/* SUMMARY counters */
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{"tx_unicast", VNIC_STAT(tx_grp.unicast)},
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{"tx_mcastbcast", VNIC_STAT(tx_grp.mcastbcast)},
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{"tx_untagged", VNIC_STAT(tx_grp.untagged)},
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{"tx_vlan", VNIC_STAT(tx_grp.vlan)},
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{"tx_64_size", VNIC_STAT(tx_grp.s_64)},
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{"tx_65_127", VNIC_STAT(tx_grp.s_65_127)},
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{"tx_128_255", VNIC_STAT(tx_grp.s_128_255)},
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{"tx_256_511", VNIC_STAT(tx_grp.s_256_511)},
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{"tx_512_1023", VNIC_STAT(tx_grp.s_512_1023)},
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{"tx_1024_1518", VNIC_STAT(tx_grp.s_1024_1518)},
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{"tx_1519_max", VNIC_STAT(tx_grp.s_1519_max)},
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{"rx_unicast", VNIC_STAT(rx_grp.unicast)},
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{"rx_mcastbcast", VNIC_STAT(rx_grp.mcastbcast)},
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{"rx_untagged", VNIC_STAT(rx_grp.untagged)},
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{"rx_vlan", VNIC_STAT(rx_grp.vlan)},
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{"rx_64_size", VNIC_STAT(rx_grp.s_64)},
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{"rx_65_127", VNIC_STAT(rx_grp.s_65_127)},
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{"rx_128_255", VNIC_STAT(rx_grp.s_128_255)},
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{"rx_256_511", VNIC_STAT(rx_grp.s_256_511)},
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{"rx_512_1023", VNIC_STAT(rx_grp.s_512_1023)},
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{"rx_1024_1518", VNIC_STAT(rx_grp.s_1024_1518)},
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{"rx_1519_max", VNIC_STAT(rx_grp.s_1519_max)},
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/* ERROR counters */
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{"rx_fifo_errors", VNIC_STAT(netstats.rx_fifo_errors)},
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{"rx_length_errors", VNIC_STAT(netstats.rx_length_errors)},
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{"tx_fifo_errors", VNIC_STAT(netstats.tx_fifo_errors)},
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{"tx_carrier_errors", VNIC_STAT(netstats.tx_carrier_errors)},
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{"tx_dlid_zero", VNIC_STAT(tx_dlid_zero)},
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{"tx_drop_state", VNIC_STAT(tx_drop_state)},
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{"rx_drop_state", VNIC_STAT(rx_drop_state)},
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{"rx_oversize", VNIC_STAT(rx_oversize)},
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{"rx_runt", VNIC_STAT(rx_runt)},
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};
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#define VNIC_STATS_LEN ARRAY_SIZE(vnic_gstrings_stats)
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/* vnic_get_drvinfo - get driver info */
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static void vnic_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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strscpy(drvinfo->driver, opa_vnic_driver_name, sizeof(drvinfo->driver));
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strscpy(drvinfo->bus_info, dev_name(netdev->dev.parent),
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sizeof(drvinfo->bus_info));
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}
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/* vnic_get_sset_count - get string set count */
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static int vnic_get_sset_count(struct net_device *netdev, int sset)
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{
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return (sset == ETH_SS_STATS) ? VNIC_STATS_LEN : -EOPNOTSUPP;
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}
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/* vnic_get_ethtool_stats - get statistics */
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static void vnic_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct opa_vnic_adapter *adapter = opa_vnic_priv(netdev);
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struct opa_vnic_stats vstats;
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int i;
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memset(&vstats, 0, sizeof(vstats));
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spin_lock(&adapter->stats_lock);
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adapter->rn_ops->ndo_get_stats64(netdev, &vstats.netstats);
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spin_unlock(&adapter->stats_lock);
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for (i = 0; i < VNIC_STATS_LEN; i++) {
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char *p = (char *)&vstats + vnic_gstrings_stats[i].stat_offset;
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data[i] = (vnic_gstrings_stats[i].sizeof_stat ==
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sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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}
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}
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/* vnic_get_strings - get strings */
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static void vnic_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
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{
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int i;
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if (stringset != ETH_SS_STATS)
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return;
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for (i = 0; i < VNIC_STATS_LEN; i++)
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memcpy(data + i * ETH_GSTRING_LEN,
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vnic_gstrings_stats[i].stat_string,
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ETH_GSTRING_LEN);
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}
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/* ethtool ops */
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static const struct ethtool_ops opa_vnic_ethtool_ops = {
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.get_drvinfo = vnic_get_drvinfo,
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.get_link = ethtool_op_get_link,
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.get_strings = vnic_get_strings,
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.get_sset_count = vnic_get_sset_count,
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.get_ethtool_stats = vnic_get_ethtool_stats,
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};
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/* opa_vnic_set_ethtool_ops - set ethtool ops */
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void opa_vnic_set_ethtool_ops(struct net_device *netdev)
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{
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netdev->ethtool_ops = &opa_vnic_ethtool_ops;
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}
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