wireless: add support for ethtool_ops->{get,set}_ringparam
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
index ca4c825..9bde4d1 100644
--- a/net/wireless/ethtool.c
+++ b/net/wireless/ethtool.c
@@ -1,5 +1,6 @@
#include <linux/utsname.h>
#include <net/cfg80211.h>
+#include "core.h"
#include "ethtool.h"
static void cfg80211_get_drvinfo(struct net_device *dev,
@@ -37,9 +38,41 @@
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;
+}
+
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,
};