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};

 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_drvinfo(struct net_device *netdev,
15			      struct ethtool_drvinfo *info)
16{
17	struct c_can_priv *priv = netdev_priv(netdev);
18	strscpy(info->driver, "c_can", sizeof(info->driver));
19	strscpy(info->bus_info, dev_name(priv->device), sizeof(info->bus_info));
20}
21
22static void c_can_get_ringparam(struct net_device *netdev,
23				struct ethtool_ringparam *ring)
 
 
24{
25	struct c_can_priv *priv = netdev_priv(netdev);
26
27	ring->rx_max_pending = priv->msg_obj_num;
28	ring->tx_max_pending = priv->msg_obj_num;
29	ring->rx_pending = priv->msg_obj_rx_num;
30	ring->tx_pending = priv->msg_obj_tx_num;
31}
32
33static const struct ethtool_ops c_can_ethtool_ops = {
34	.get_drvinfo = c_can_get_drvinfo,
35	.get_ringparam = c_can_get_ringparam,
 
36};
37
38void c_can_set_ethtool_ops(struct net_device *netdev)
39{
40	netdev->ethtool_ops = &c_can_ethtool_ops;
41}