Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 }
 
 static const struct ethtool_ops iavf_ethtool_ops = {
+       .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+                                    ETHTOOL_COALESCE_MAX_FRAMES |
+                                    ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
+                                    ETHTOOL_COALESCE_USE_ADAPTIVE,
        .get_drvinfo            = iavf_get_drvinfo,
        .get_link               = ethtool_op_get_link,
        .get_ringparam          = iavf_get_ringparam,