root/net/wireless/ethtool.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/utsname.h>
#include <net/cfg80211.h>
#include "core.h"
#include "rdev-ops.h"

void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
        struct wireless_dev *wdev = dev->ieee80211_ptr;
        struct device *pdev = wiphy_dev(wdev->wiphy);

        if (pdev->driver)
                strscpy(info->driver, pdev->driver->name,
                        sizeof(info->driver));
        else
                strscpy(info->driver, "N/A", sizeof(info->driver));

        strscpy(info->version, init_utsname()->release, sizeof(info->version));

        if (wdev->wiphy->fw_version[0])
                strscpy(info->fw_version, wdev->wiphy->fw_version,
                        sizeof(info->fw_version));
        else
                strscpy(info->fw_version, "N/A", sizeof(info->fw_version));

        strscpy(info->bus_info, dev_name(pdev),
                sizeof(info->bus_info));
}
EXPORT_SYMBOL(cfg80211_get_drvinfo);