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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2021, Dario Binacchi <dariobin@libero.it>
*/
#include <linux/ethtool.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/netdevice.h>
#include <linux/can/dev.h>
#include "c_can.h"
static void c_can_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *info)
{
struct c_can_priv *priv = netdev_priv(netdev);
strscpy(info->driver, "c_can", sizeof(info->driver));
strscpy(info->bus_info, dev_name(priv->device), sizeof(info->bus_info));
}
static void c_can_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct c_can_priv *priv = netdev_priv(netdev);
ring->rx_max_pending = priv->msg_obj_num;
ring->tx_max_pending = priv->msg_obj_num;
ring->rx_pending = priv->msg_obj_rx_num;
ring->tx_pending = priv->msg_obj_tx_num;
}
static const struct ethtool_ops c_can_ethtool_ops = {
.get_drvinfo = c_can_get_drvinfo,
.get_ringparam = c_can_get_ringparam,
};
void c_can_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &c_can_ethtool_ops;
}
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