return -EINVAL;
}
+static ssize_t show_speed(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+ int ret = -EINVAL;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+ struct ethtool_cmd cmd = { ETHTOOL_GSET };
+
+ if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
+ ret = sprintf(buf, fmt_dec, ethtool_cmd_speed(&cmd));
+ }
+ rtnl_unlock();
+ return ret;
+}
+
+static ssize_t show_duplex(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+ int ret = -EINVAL;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+ struct ethtool_cmd cmd = { ETHTOOL_GSET };
+
+ if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
+ ret = sprintf(buf, "%s\n", cmd.duplex ? "full" : "half");
+ }
+ rtnl_unlock();
+ return ret;
+}
+
static ssize_t show_dormant(struct device *dev,
struct device_attribute *attr, char *buf)
{
__ATTR(address, S_IRUGO, show_address, NULL),
__ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
__ATTR(carrier, S_IRUGO, show_carrier, NULL),
+ __ATTR(speed, S_IRUGO, show_speed, NULL),
+ __ATTR(duplex, S_IRUGO, show_duplex, NULL),
__ATTR(dormant, S_IRUGO, show_dormant, NULL),
__ATTR(operstate, S_IRUGO, show_operstate, NULL),
__ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu),
const struct iw_statistics *iw;
ssize_t ret = -EINVAL;
- read_lock(&dev_base_lock);
+ rtnl_lock();
if (dev_isalive(dev)) {
iw = get_wireless_stats(dev);
if (iw)
ret = (*format)(iw, buf);
}
- read_unlock(&dev_base_lock);
+ rtnl_unlock();
return ret;
}