31 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*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