[dpdk-dev] Qn on vlan filtering for promiscuous ports VMXNET3 driver

[Stephen Hemminger]

On Tue, 1 Oct 2019 11:43:37 -0700
Geetha Anandakrishnan <a.geetha at gmail.com> wrote:

> Hi All,
> 
> I am experimenting  DPDK with VMXNET3. I see that the vmxnet3 driver code
> does not set vlan filtering if port is in promiscuous mode.
> I modified the vmxnet3 code to skip the check for promiscuous port, code
> below. But it does not seem like filtering works with this change, when
> port is in prom. mode.
> 
> Does the firmware not look at the vlan table if port is in promiscuous
> mode.
> 
> Any help is appreciated.
> 
> Thanks!!

The idea behind promiscious mode is to get all packets.
It doesn't make sense to do vlan filtering in HW then.