"right" way to requeue a packet to IP from ip_rcv?

"right" way to requeue a packet to IP from ip_rcv?

[David Meyer]

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	Folks,

	I'm receiving an encapsulated packet that looks like

		outer   iph
		outer   udph
		foreign header
		inner   iph
		inner   udph
		data


	What I'd like to do is strip off the outer IP, UDP and
	foreign headers in ip_rcv and requeue the packet to IP to
	process the rest of the packet (inner IP header,
	etc). What's the clean way to do this?  In freeBSD you
	might do something like

	(*inetsw[ip_protox[ip->ip_p]].pr_input)(m, hlen);

	but I'm not exactly sure what the analogous thing is for
	linux. Any insight greatly appreciated.

	Thnx,

	Dave


	

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