ethtool.c

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#include <linux/utsname.h>
#include <net/cfg80211.h>
#include "core.h"
#include "ethtool.h"

static void cfg80211_get_drvinfo(struct net_device *dev,
                    struct ethtool_drvinfo *info)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;

    strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
        sizeof(info->driver));

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

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

    strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
        sizeof(info->bus_info));
}

static int cfg80211_get_regs_len(struct net_device *dev)
{
    /* For now, return 0... */
    return 0;
}

static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
            void *data)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;

    regs->version = wdev->wiphy->hw_version;
    regs->len = 0;
}

static void cfg80211_get_ringparam(struct net_device *dev,
                   struct ethtool_ringparam *rp)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);

    memset(rp, 0, sizeof(*rp));

    if (rdev->ops->get_ringparam)
        rdev->ops->get_ringparam(wdev->wiphy,
                     &rp->tx_pending, &rp->tx_max_pending,
                     &rp->rx_pending, &rp->rx_max_pending);
}

static int cfg80211_set_ringparam(struct net_device *dev,
                  struct ethtool_ringparam *rp)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);

    if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
        return -EINVAL;

    if (rdev->ops->set_ringparam)
        return rdev->ops->set_ringparam(wdev->wiphy,
                        rp->tx_pending, rp->rx_pending);

    return -ENOTSUPP;
}

static int cfg80211_get_sset_count(struct net_device *dev, int sset)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
    if (rdev->ops->get_et_sset_count)
        return rdev->ops->get_et_sset_count(wdev->wiphy, dev, sset);
    return -EOPNOTSUPP;
}

static void cfg80211_get_stats(struct net_device *dev,
                   struct ethtool_stats *stats, u64 *data)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
    if (rdev->ops->get_et_stats)
        rdev->ops->get_et_stats(wdev->wiphy, dev, stats, data);
}

static void cfg80211_get_strings(struct net_device *dev, u32 sset, u8 *data)
{
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
    if (rdev->ops->get_et_strings)
        rdev->ops->get_et_strings(wdev->wiphy, dev, sset, data);
}

const struct ethtool_ops cfg80211_ethtool_ops = {
    .get_drvinfo = cfg80211_get_drvinfo,
    .get_regs_len = cfg80211_get_regs_len,
    .get_regs = cfg80211_get_regs,
    .get_link = ethtool_op_get_link,
    .get_ringparam = cfg80211_get_ringparam,
    .set_ringparam = cfg80211_set_ringparam,
    .get_strings = cfg80211_get_strings,
    .get_ethtool_stats = cfg80211_get_stats,
    .get_sset_count = cfg80211_get_sset_count,
};