1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2021, Dario Binacchi <dariobin@libero.it>
4 */
5
6#include <linux/ethtool.h>
7#include <linux/kernel.h>
8#include <linux/platform_device.h>
9#include <linux/netdevice.h>
10#include <linux/can/dev.h>
11
12#include "c_can.h"
13
14static void c_can_get_ringparam(struct net_device *netdev,
15				struct ethtool_ringparam *ring,
16				struct kernel_ethtool_ringparam *kernel_ring,
17				struct netlink_ext_ack *extack)
18{
19	struct c_can_priv *priv = netdev_priv(netdev);
20
21	ring->rx_max_pending = priv->msg_obj_num;
22	ring->tx_max_pending = priv->msg_obj_num;
23	ring->rx_pending = priv->msg_obj_rx_num;
24	ring->tx_pending = priv->msg_obj_tx_num;
25}
26
27const struct ethtool_ops c_can_ethtool_ops = {
28	.get_ringparam = c_can_get_ringparam,
29	.get_ts_info = ethtool_op_get_ts_info,
30};
31