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Re: [lwip-users] Add support for outgoing VLAN tags?

From: Simon Goldschmidt
Subject: Re: [lwip-users] Add support for outgoing VLAN tags?
Date: Wed, 09 Nov 2011 16:25:29 +0100

"Dance, Brian" <address@hidden> wrote:
> On a Windows machine I have a VLAN capable Network Card.    When the
> (Intel) driver is configured for VLAN use  the windows control panel shows a
> network interface for each vlan.   Programs using sockets are unaffected.
> In the lwip contect the netif structure at the equivalent level to the
> Windows netowrk interface.   I think this means that there is a possible vlan
> output implementation for lwip based on adding vlan/qos info to netif
> without any socket changes.

That's OK for you, but Timmy said he *needed* it on socket-level to be able to 
correctly support an industrial ethernet protocol. Noone said it would be easy 
to implement such a protocol on a normal windows PC...

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