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freebsd-nq/sys/dev/mlx4/mlx4_en/mlx4_en_port.c
Bjoern A. Zeeb 1411f52fac mlx4/OFED: replace the struct net_device with struct ifnet 
Given all the code does operate on struct ifnet, the last step in this
longer series of changes now is to rename struct net_device to
struct ifnet (that is what it was defined to in the LinuxKPi code).
While mlx4 and OFED are "shared" code the decision was made years ago
to not write it based on the netdevice KPI but the native ifnet KPI
for most of it.  This commit simply spells this out and with that
frees "struct netdevice" to be re-done on LinuxKPI to become a more
native/mixed implementation over time as needed by, e.g., wireless
drivers.

Sponsored by:	The FreeBSD Foundation
MFC after:	10 days
Reviewed by:	hselasky
Differential Revision: https://reviews.freebsd.org/D30515
2021-06-18 21:20:08 +00:00

508 lines
18 KiB
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/*
* Copyright (c) 2007, 2014 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <sys/types.h>
#include <linux/if_vlan.h>
#include <dev/mlx4/device.h>
#include <dev/mlx4/cmd.h>
#include "en_port.h"
#include "en.h"
int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv)
{
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_set_vlan_fltr_mbox *filter;
int i;
int j;
int index = 0;
u32 entry;
int err = 0;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
filter = mailbox->buf;
for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
entry = 0;
for (j = 0; j < 32; j++) {
if (test_bit(index, priv->active_vlans))
entry |= 1 << j;
index++;
}
filter->entry[i] = cpu_to_be32(entry);
}
err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
mlx4_free_cmd_mailbox(dev, mailbox);
return err;
}
int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
{
struct mlx4_en_query_port_context *qport_context;
struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
struct mlx4_en_port_state *state = &priv->port_state;
struct mlx4_cmd_mailbox *mailbox;
int err;
mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
MLX4_CMD_WRAPPED);
if (err)
goto out;
qport_context = mailbox->buf;
/* This command is always accessed from Ethtool context
* already synchronized, no need in locking */
state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
case MLX4_EN_100M_SPEED:
state->link_speed = 100;
break;
case MLX4_EN_1G_SPEED:
state->link_speed = 1000;
break;
case MLX4_EN_10G_SPEED_XAUI:
case MLX4_EN_10G_SPEED_XFI:
state->link_speed = 10000;
break;
case MLX4_EN_20G_SPEED:
state->link_speed = 20000;
break;
case MLX4_EN_40G_SPEED:
state->link_speed = 40000;
break;
case MLX4_EN_56G_SPEED:
state->link_speed = 56000;
break;
default:
state->link_speed = -1;
break;
}
state->transceiver = qport_context->transceiver;
state->flags = 0; /* Reset and recalculate the port flags */
state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ?
MLX4_EN_PORT_ANC : 0;
state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ?
MLX4_EN_PORT_ANE : 0;
out:
mlx4_free_cmd_mailbox(mdev->dev, mailbox);
return err;
}
/* Each counter set is located in struct mlx4_en_stat_out_mbox
* with a const offset between its prio components.
* This function runs over a counter set and sum all of it's prio components.
*/
static u64 en_stats_adder(__be64 *start, __be64 *next, int num)
{
__be64 *curr = start;
u64 ret = 0;
int i;
int offset = next - start;
for (i = 0; i < num; i++) {
ret += be64_to_cpu(*curr);
curr += offset;
}
return ret;
}
static void mlx4_en_fold_software_stats(struct ifnet *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
u64 packets, bytes;
int i;
if (!priv->port_up || mlx4_is_master(mdev->dev))
return;
packets = 0;
bytes = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
packets += READ_ONCE(ring->packets);
bytes += READ_ONCE(ring->bytes);
}
priv->pkstats.rx_packets = packets;
priv->pkstats.rx_bytes = bytes;
packets = 0;
bytes = 0;
for (i = 0; i < priv->tx_ring_num; i++) {
const struct mlx4_en_tx_ring *ring = priv->tx_ring[i];
packets += READ_ONCE(ring->packets);
bytes += READ_ONCE(ring->bytes);
}
priv->pkstats.tx_packets = packets;
priv->pkstats.tx_bytes = bytes;
}
int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
{
struct mlx4_counter tmp_vport_stats;
struct mlx4_en_stat_out_mbox *mlx4_en_stats;
struct mlx4_en_stat_out_flow_control_mbox *flowstats;
struct ifnet *dev = mdev->pndev[port];
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_vport_stats *vport_stats = &priv->vport_stats;
struct mlx4_cmd_mailbox *mailbox;
u64 in_mod = reset << 8 | port;
int err;
int i, counter_index;
mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
MLX4_CMD_NATIVE);
if (err)
goto out;
mlx4_en_stats = mailbox->buf;
spin_lock(&priv->stats_lock);
priv->port_stats.rx_chksum_good = 0;
priv->port_stats.rx_chksum_none = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
}
priv->port_stats.tx_chksum_offload = 0;
priv->port_stats.queue_stopped = 0;
priv->port_stats.wake_queue = 0;
priv->port_stats.oversized_packets = 0;
priv->port_stats.tso_packets = 0;
priv->port_stats.defrag_attempts = 0;
for (i = 0; i < priv->tx_ring_num; i++) {
const struct mlx4_en_tx_ring *ring;
ring = priv->tx_ring[i];
priv->port_stats.tx_chksum_offload += ring->tx_csum;
priv->port_stats.queue_stopped += ring->queue_stopped;
priv->port_stats.wake_queue += ring->wake_queue;
priv->port_stats.oversized_packets += ring->oversized_packets;
priv->port_stats.tso_packets += ring->tso_packets;
priv->port_stats.defrag_attempts += ring->defrag_attempts;
}
priv->pkstats.rx_errors =
be64_to_cpu(mlx4_en_stats->PCS) +
be32_to_cpu(mlx4_en_stats->RJBBR) +
be32_to_cpu(mlx4_en_stats->RCRC) +
be32_to_cpu(mlx4_en_stats->RRUNT) +
be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) +
be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) +
be32_to_cpu(mlx4_en_stats->RSHORT) +
en_stats_adder(&mlx4_en_stats->RGIANT_prio_0,
&mlx4_en_stats->RGIANT_prio_1,
NUM_PRIORITIES);
priv->pkstats.tx_errors =
en_stats_adder(&mlx4_en_stats->TGIANT_prio_0,
&mlx4_en_stats->TGIANT_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_multicast_packets =
en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
&mlx4_en_stats->MCAST_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP);
priv->pkstats.rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
priv->pkstats.rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
priv->pkstats.rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
priv->pkstats.tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP);
/* RX stats */
priv->pkstats.rx_packets = en_stats_adder(&mlx4_en_stats->RTOT_prio_0,
&mlx4_en_stats->RTOT_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_bytes = en_stats_adder(&mlx4_en_stats->ROCT_prio_0,
&mlx4_en_stats->ROCT_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_broadcast_packets =
en_stats_adder(&mlx4_en_stats->RBCAST_prio_0,
&mlx4_en_stats->RBCAST_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR);
priv->pkstats.rx_in_range_length_error =
be64_to_cpu(mlx4_en_stats->RInRangeLengthErr);
priv->pkstats.rx_out_range_length_error =
be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr);
/* Tx stats */
priv->pkstats.tx_packets = en_stats_adder(&mlx4_en_stats->TTOT_prio_0,
&mlx4_en_stats->TTOT_prio_1,
NUM_PRIORITIES);
priv->pkstats.tx_bytes = en_stats_adder(&mlx4_en_stats->TOCT_prio_0,
&mlx4_en_stats->TOCT_prio_1,
NUM_PRIORITIES);
priv->pkstats.tx_multicast_packets =
en_stats_adder(&mlx4_en_stats->TMCAST_prio_0,
&mlx4_en_stats->TMCAST_prio_1,
NUM_PRIORITIES);
priv->pkstats.tx_broadcast_packets =
en_stats_adder(&mlx4_en_stats->TBCAST_prio_0,
&mlx4_en_stats->TBCAST_prio_1,
NUM_PRIORITIES);
priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0);
priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1);
priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2);
priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3);
priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4);
priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5);
priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6);
priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7);
priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan);
priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan);
priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0);
priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1);
priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2);
priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3);
priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4);
priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5);
priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6);
priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7);
priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan);
priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan);
mlx4_en_fold_software_stats(dev);
spin_unlock(&priv->stats_lock);
memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats));
counter_index = mlx4_get_default_counter_index(mdev->dev, port);
err = mlx4_get_counter_stats(mdev->dev, counter_index,
&tmp_vport_stats, reset);
spin_lock(&priv->stats_lock);
if (!err) {
/* ethtool stats format */
vport_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes);
vport_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames);
vport_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes);
vport_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames);
}
#if __FreeBSD_version >= 1100000
if (reset == 0) {
if_inc_counter(dev, IFCOUNTER_IPACKETS,
priv->pkstats.rx_packets - priv->pkstats_last.rx_packets);
if_inc_counter(dev, IFCOUNTER_OPACKETS,
priv->pkstats.tx_packets - priv->pkstats_last.tx_packets);
if_inc_counter(dev, IFCOUNTER_IBYTES,
priv->pkstats.rx_bytes - priv->pkstats_last.rx_bytes);
if_inc_counter(dev, IFCOUNTER_OBYTES,
priv->pkstats.tx_bytes - priv->pkstats_last.tx_bytes);
if_inc_counter(dev, IFCOUNTER_IERRORS,
priv->pkstats.rx_errors - priv->pkstats_last.rx_errors);
if_inc_counter(dev, IFCOUNTER_IQDROPS,
priv->pkstats.rx_dropped - priv->pkstats_last.rx_dropped);
if_inc_counter(dev, IFCOUNTER_IMCASTS,
priv->pkstats.rx_multicast_packets - priv->pkstats_last.rx_multicast_packets);
if_inc_counter(dev, IFCOUNTER_OMCASTS,
priv->pkstats.tx_multicast_packets - priv->pkstats_last.tx_multicast_packets);
}
priv->pkstats_last = priv->pkstats;
#else
dev->if_ipackets = priv->pkstats.rx_packets;
dev->if_opackets = priv->pkstats.tx_packets;
dev->if_ibytes = priv->pkstats.rx_bytes;
dev->if_obytes = priv->pkstats.tx_bytes;
dev->if_ierrors = priv->pkstats.rx_errors;
dev->if_iqdrops = priv->pkstats.rx_dropped;
dev->if_imcasts = priv->pkstats.rx_multicast_packets;
dev->if_omcasts = priv->pkstats.tx_multicast_packets;
dev->if_collisions = 0;
#endif
spin_unlock(&priv->stats_lock);
/* 0xffs indicates invalid value */
memset(mailbox->buf, 0xff, sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) {
memset(mailbox->buf, 0,
sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma,
in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL,
0, MLX4_CMD_DUMP_ETH_STATS,
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
if (err)
goto out;
}
flowstats = mailbox->buf;
spin_lock(&priv->stats_lock);
for (i = 0; i < MLX4_NUM_PRIORITIES; i++) {
priv->rx_priority_flowstats[i].rx_pause =
be64_to_cpu(flowstats[i].rx_pause);
priv->rx_priority_flowstats[i].rx_pause_duration =
be64_to_cpu(flowstats[i].rx_pause_duration);
priv->rx_priority_flowstats[i].rx_pause_transition =
be64_to_cpu(flowstats[i].rx_pause_transition);
priv->tx_priority_flowstats[i].tx_pause =
be64_to_cpu(flowstats[i].tx_pause);
priv->tx_priority_flowstats[i].tx_pause_duration =
be64_to_cpu(flowstats[i].tx_pause_duration);
priv->tx_priority_flowstats[i].tx_pause_transition =
be64_to_cpu(flowstats[i].tx_pause_transition);
}
/* if pfc is not in use, all priorities counters have the same value */
priv->rx_flowstats.rx_pause =
be64_to_cpu(flowstats[0].rx_pause);
priv->rx_flowstats.rx_pause_duration =
be64_to_cpu(flowstats[0].rx_pause_duration);
priv->rx_flowstats.rx_pause_transition =
be64_to_cpu(flowstats[0].rx_pause_transition);
priv->tx_flowstats.tx_pause =
be64_to_cpu(flowstats[0].tx_pause);
priv->tx_flowstats.tx_pause_duration =
be64_to_cpu(flowstats[0].tx_pause_duration);
priv->tx_flowstats.tx_pause_transition =
be64_to_cpu(flowstats[0].tx_pause_transition);
spin_unlock(&priv->stats_lock);
out:
mlx4_free_cmd_mailbox(mdev->dev, mailbox);
return err;
}
int mlx4_en_get_vport_stats(struct mlx4_en_dev *mdev, u8 port)
{
struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
struct mlx4_counter tmp_vport_stats;
struct mlx4_en_vf_stats *vf_stats = &priv->vf_stats;
int err, i, counter_index;
spin_lock(&priv->stats_lock);
priv->pkstats.rx_packets = 0;
priv->pkstats.rx_bytes = 0;
priv->port_stats.rx_chksum_good = 0;
priv->port_stats.rx_chksum_none = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
priv->pkstats.rx_packets += priv->rx_ring[i]->packets;
priv->pkstats.rx_bytes += priv->rx_ring[i]->bytes;
priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
}
priv->pkstats.tx_packets = 0;
priv->pkstats.tx_bytes = 0;
priv->port_stats.tx_chksum_offload = 0;
priv->port_stats.queue_stopped = 0;
priv->port_stats.wake_queue = 0;
for (i = 0; i < priv->tx_ring_num; i++) {
const struct mlx4_en_tx_ring *ring = priv->tx_ring[i];
priv->pkstats.tx_packets += ring->packets;
priv->pkstats.tx_bytes += ring->bytes;
priv->port_stats.tx_chksum_offload += ring->tx_csum;
priv->port_stats.queue_stopped += ring->queue_stopped;
priv->port_stats.wake_queue += ring->wake_queue;
priv->port_stats.oversized_packets += priv->tx_ring[i]->oversized_packets;
}
spin_unlock(&priv->stats_lock);
memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats));
counter_index = mlx4_get_default_counter_index(mdev->dev, port);
err = mlx4_get_counter_stats(mdev->dev, counter_index,
&tmp_vport_stats, 0);
if (!err) {
spin_lock(&priv->stats_lock);
vf_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes);
vf_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames);
vf_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes);
vf_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames);
priv->pkstats.rx_packets = vf_stats->rx_frames;
priv->pkstats.rx_bytes = vf_stats->rx_bytes;
priv->pkstats.tx_packets = vf_stats->tx_frames;
priv->pkstats.tx_bytes = vf_stats->tx_bytes;
/* PF&VFs are not expected to report errors in ifconfig.
* rx_errors will be reprted in PF's ethtool statistics,
* see: mlx4_en_DUMP_ETH_STATS
*/
priv->pkstats.rx_errors = 0;
priv->pkstats.rx_dropped = 0;
priv->pkstats.tx_dropped = 0;
priv->pkstats.rx_multicast_packets = 0;
spin_unlock(&priv->stats_lock);
}
return err;
}
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