Since 1.4, lwip supports incomming VLAN tagged frames. Is there any interest in also adding support for VLAN tagging of outgoing frames for QoS purposes?
Outgoing VLAN QoS support requires a method of communicating a priority value from pcb level down to Ethernet level. Basically a new argument is needed in all functions inbetween. It is not very complicated, but it affects several internal lwip functions.
We have a compile time option for this under way. Would there be any interest in adding this to lwip if we provide a patch?
Regards, Timmy Brolin
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[lwip-users] Add support for outgoing VLAN tags?,