Hip08 SOC does not support 1000M half, this patch adds 1000M half
check for hns3_ethtool_ops.set_link_ksettings, so the user can not
set 1000M half by ethtool.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
static int hns3_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
+ /* Chip doesn't support this mode. */
+ if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
+ return -EINVAL;
+
/* Only support ksettings_set for netdev with phy attached for now */
if (netdev->phydev)
return phy_ethtool_ksettings_set(netdev->phydev, cmd);