drivers/net/can/c_can/c_can_ethtool.c

   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
  14 static 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
  27 const struct ethtool_ops c_can_ethtool_ops = {
  28         .get_ringparam = c_can_get_ringparam,
  29         .get_ts_info = ethtool_op_get_ts_info,
  30 };