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From: Stephen Hemminger <stephen@networkplumber.org>
To: Geetha Anandakrishnan <a.geetha@gmail.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Qn on vlan filtering for promiscuous ports VMXNET3 driver
Date: Tue, 1 Oct 2019 16:30:26 -0700	[thread overview]
Message-ID: <20191001163026.0d6ff8a1@hermes.lan> (raw)
In-Reply-To: <CAJNW8upmrVDiYUFOMwK6RLtO2vK8h-HMczYg-uDeEZnM8s3JMQ@mail.gmail.com>

On Tue, 1 Oct 2019 11:43:37 -0700
Geetha Anandakrishnan <a.geetha@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.



      reply	other threads:[~2019-10-01 23:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01 18:43 Geetha Anandakrishnan
2019-10-01 23:30 ` Stephen Hemminger [this message]

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