diff options
Diffstat (limited to 'drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c')
| -rw-r--r-- | drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c new file mode 100644 index 000000000000..d66540e24885 --- /dev/null +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c @@ -0,0 +1,187 @@ +/* + * 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) { FIELD_SIZEOF(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) +{ + strlcpy(drvinfo->driver, opa_vnic_driver_name, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, opa_vnic_driver_version, + sizeof(drvinfo->version)); + strlcpy(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)); + mutex_lock(&adapter->stats_lock); + adapter->rn_ops->ndo_get_stats64(netdev, &vstats.netstats); + 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; + } + mutex_unlock(&adapter->stats_lock); +} + +/* 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; +} |