According to the definition of RSS types of action attributes from
testpmd, the driver will not disable RSS but instead requests the
unspecified "best-effort" settings when upper application call
rte_flow_create API function to create flow using empty RSS types.
As a result, here use the default RSS types when RSS types is empty.
Fixes: c37ca66f2b27 ("net/hns3: support RSS")
Cc: stable@dpdk.org
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>