linux-xiaomi-chiron/drivers/net/netdevsim/ethtool.c
Antonio Cardace 77f9591b21 netdevsim: move ethtool pause params in separate struct
This will help the refactoring in the next commit
when coalesce and ring settings are added.

Signed-off-by: Antonio Cardace <acardace@redhat.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20 12:51:54 -08:00

64 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#include <linux/debugfs.h>
#include <linux/ethtool.h>
#include <linux/random.h>
#include "netdevsim.h"
static void
nsim_get_pause_stats(struct net_device *dev,
struct ethtool_pause_stats *pause_stats)
{
struct netdevsim *ns = netdev_priv(dev);
if (ns->ethtool.pauseparam.report_stats_rx)
pause_stats->rx_pause_frames = 1;
if (ns->ethtool.pauseparam.report_stats_tx)
pause_stats->tx_pause_frames = 2;
}
static void
nsim_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause)
{
struct netdevsim *ns = netdev_priv(dev);
pause->autoneg = 0; /* We don't support ksettings, so can't pretend */
pause->rx_pause = ns->ethtool.pauseparam.rx;
pause->tx_pause = ns->ethtool.pauseparam.tx;
}
static int
nsim_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause)
{
struct netdevsim *ns = netdev_priv(dev);
if (pause->autoneg)
return -EINVAL;
ns->ethtool.pauseparam.rx = pause->rx_pause;
ns->ethtool.pauseparam.tx = pause->tx_pause;
return 0;
}
static const struct ethtool_ops nsim_ethtool_ops = {
.get_pause_stats = nsim_get_pause_stats,
.get_pauseparam = nsim_get_pauseparam,
.set_pauseparam = nsim_set_pauseparam,
};
void nsim_ethtool_init(struct netdevsim *ns)
{
struct dentry *ethtool, *dir;
ns->netdev->ethtool_ops = &nsim_ethtool_ops;
ethtool = debugfs_create_dir("ethtool", ns->nsim_dev_port->ddir);
dir = debugfs_create_dir("pause", ethtool);
debugfs_create_bool("report_stats_rx", 0600, dir,
&ns->ethtool.pauseparam.report_stats_rx);
debugfs_create_bool("report_stats_tx", 0600, dir,
&ns->ethtool.pauseparam.report_stats_tx);
}