// 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_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_ringparam = c_can_get_ringparam, }; void c_can_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &c_can_ethtool_ops; }