> I explain the context. We have encapsulated two layers in our ethernet
> driver and we communicate via RS232. When we receive an ethernet frame fr=
> om
> the TCP/IP stack, if we don't have a connexion, we have to do the connexi=
> on
> first. In order to establish it, we send a connexion request and must wai=
> t
> for the connexion confirm in the driver. After, we can send data (etherne=
> t
> frame).

Take a look at how SLIP and PPP work. You need a state machine basically

Alan

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