c_can_ethtool.c 803 B

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