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SubjectRe: PF_PACKET +Direction?
Date
Hello!

> I heard that with the new PF_PACKET socket family mechanism, it's now
> possible to determine a packet's direction (incoming or outgoing).
>
> Can anyoe confirm this? Is it true? If so, can anyone direct me to the
> proper structure and fields that contain this info?

I confirm, it is true. It is field sll_pkttype in struct sockaddr_ll,
returned by recvfrom(). If it is PACKET_OUTGOING, the packet is sent
by us, otherwise, it is incoming.

Alexey

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