When the ETH spec is empty MLX4 PMD doesn't allow match other criteria,
which means the flow should be promisc one.
Currently, PMD validates this by setting flow->promisc bit when ETH spec
is empty and checking whether there is other rte_flow_item followed
when flow->promisc is on.
However, commit [1] adds support to match traffic only on VLAN id, the
above validation logic should be changed accordingly.
This patch changes the above validate logic by skipping flow->promisc
check if this item is VLAN.
[1]:
Fixes: c0d239263156 ("net/mlx4: support flow w/o ETH spec and with VLAN")
Cc: stable@dpdk.org
Signed-off-by: Xiaoyu Min <jackmin@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>