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>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 }
 
 static const struct ethtool_ops ipoib_ethtool_ops = {
+       .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
+                                    ETHTOOL_COALESCE_RX_MAX_FRAMES,
        .get_link_ksettings     = ipoib_get_link_ksettings,
        .get_drvinfo            = ipoib_get_drvinfo,
        .get_coalesce           = ipoib_get_coalesce,