>
> Hi,
> Is it possible to tap a packet and send it to a userlevel program
> before it is sent to appropriate receive function (say ip_rcv()). The
> user level program will give the packet back to the kernel for delivery
> to appropriate receive function.
> In short, is it possible to have a protocol stack (between layer 2 and
> 3) to be implemented in useland.
>
> Is Tun/Tap driver useful here?
>
Isn't the QUEUE driver from iptables done for such cases?
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