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1// SPDX-License-Identifier: GPL-2.0+2/* Copyright (c) 2022 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>3 *4 */5 6#include <linux/can/dev.h>7#include <linux/ethtool.h>8#include <linux/kernel.h>9#include <linux/netdevice.h>10#include <linux/platform_device.h>11 12#include "slcan.h"13 14static const char slcan_priv_flags_strings[][ETH_GSTRING_LEN] = {15#define SLCAN_PRIV_FLAGS_ERR_RST_ON_OPEN BIT(0)16 "err-rst-on-open",17};18 19static void slcan_get_strings(struct net_device *ndev, u32 stringset, u8 *data)20{21 switch (stringset) {22 case ETH_SS_PRIV_FLAGS:23 memcpy(data, slcan_priv_flags_strings,24 sizeof(slcan_priv_flags_strings));25 }26}27 28static u32 slcan_get_priv_flags(struct net_device *ndev)29{30 u32 flags = 0;31 32 if (slcan_err_rst_on_open(ndev))33 flags |= SLCAN_PRIV_FLAGS_ERR_RST_ON_OPEN;34 35 return flags;36}37 38static int slcan_set_priv_flags(struct net_device *ndev, u32 flags)39{40 bool err_rst_op_open = !!(flags & SLCAN_PRIV_FLAGS_ERR_RST_ON_OPEN);41 42 return slcan_enable_err_rst_on_open(ndev, err_rst_op_open);43}44 45static int slcan_get_sset_count(struct net_device *netdev, int sset)46{47 switch (sset) {48 case ETH_SS_PRIV_FLAGS:49 return ARRAY_SIZE(slcan_priv_flags_strings);50 default:51 return -EOPNOTSUPP;52 }53}54 55const struct ethtool_ops slcan_ethtool_ops = {56 .get_strings = slcan_get_strings,57 .get_priv_flags = slcan_get_priv_flags,58 .set_priv_flags = slcan_set_priv_flags,59 .get_sset_count = slcan_get_sset_count,60 .get_ts_info = ethtool_op_get_ts_info,61};62