@@ -18,6 +18,7 @@
#include <linux/netdevice.h>
#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
#include "enic_res.h"
#include "enic.h"
@@ -379,6 +380,27 @@ static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
return ret;
}
+static void enic_get_buffparam(struct net_device *netdev,
+ struct ethtool_buffparam *data)
+{
+ struct enic *enic = netdev_priv(netdev);
+
+ data->rx_copybreak_cur = enic->rx_copybreak;
+ data->rx_copybreak_max = netdev->mtu + VLAN_ETH_HLEN;
+}
+
+static int enic_set_buffparam(struct net_device *netdev,
+ struct ethtool_buffparam *data)
+{
+ struct enic *enic = netdev_priv(netdev);
+
+ if (data->rx_copybreak_cur > netdev->mtu + VLAN_ETH_HLEN)
+ return -EINVAL;
+ enic->rx_copybreak = data->rx_copybreak_cur;
+
+ return 0;
+}
+
static const struct ethtool_ops enic_ethtool_ops = {
.get_settings = enic_get_settings,
.get_drvinfo = enic_get_drvinfo,
@@ -391,6 +413,8 @@ static const struct ethtool_ops enic_ethtool_ops = {
.get_coalesce = enic_get_coalesce,
.set_coalesce = enic_set_coalesce,
.get_rxnfc = enic_get_rxnfc,
+ .get_buffparam = enic_get_buffparam,
+ .set_buffparam = enic_set_buffparam,
};
void enic_set_ethtool_ops(struct net_device *netdev)
Add ethtools support for get/set_buffparam. This is used to set the driver rx_copybreak value. Do not allow rx_copybreak value to be set more than max frame size. Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com> --- drivers/net/ethernet/cisco/enic/enic_ethtool.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)