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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2021, Dario Binacchi <dariobin@libero.it>
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*/
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#include <linux/ethtool.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/netdevice.h>
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#include <linux/can/dev.h>
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#include "c_can.h"
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static void c_can_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *info)
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{
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struct c_can_priv *priv = netdev_priv(netdev);
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strscpy(info->driver, "c_can", sizeof(info->driver));
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strscpy(info->bus_info, dev_name(priv->device), sizeof(info->bus_info));
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}
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static void c_can_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring,
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struct kernel_ethtool_ringparam *kernel_ring,
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struct netlink_ext_ack *extack)
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{
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struct c_can_priv *priv = netdev_priv(netdev);
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ring->rx_max_pending = priv->msg_obj_num;
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ring->tx_max_pending = priv->msg_obj_num;
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ring->rx_pending = priv->msg_obj_rx_num;
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ring->tx_pending = priv->msg_obj_tx_num;
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}
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static const struct ethtool_ops c_can_ethtool_ops = {
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.get_drvinfo = c_can_get_drvinfo,
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.get_ringparam = c_can_get_ringparam,
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};
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void c_can_set_ethtool_ops(struct net_device *netdev)
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{
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netdev->ethtool_ops = &c_can_ethtool_ops;
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}
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