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