ethtool_rxfh_ctx_alloc
ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops,
ctx = ethtool_rxfh_ctx_alloc(ops, dev_indir_size, dev_key_size);
ctx = ethtool_rxfh_ctx_alloc(ops, data.indir_size, data.hkey_size);