Date: Thu, 27 Jun 2002 15:50:16 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Arthur Peet <arthur.peet@toltec.biz> Cc: freebsd-net@FreeBSD.ORG Subject: Re: bpf/netgraph interaction Message-ID: <Pine.BSF.4.21.0206271546350.69706-100000@InterJet.elischer.org> In-Reply-To: <5.1.1.6.2.20020627152659.0228f128@mail.toltecint.net>
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On Thu, 27 Jun 2002, Arthur Peet wrote: > > >Use the Source Luke! > > Thanks, Obi! :) I REALLY appreciate your response. > > >as you see, bpf copies are taken before netgraph processing.. > >and non-netgraph bridging occurs after that. > > It appears to me that if I switched the order in which the processing > occurs and recompiled the kernel, the function would be absolutely broken. > i.e I would never get to the BPF tap. Is this true? yes, and in this case, packets REinjected by netgraph never see the bridge code. because they are re-injected at a later stage of processing. > > Are there any other taps I may access in order to accomplish this goal? I forget the goal. sorry > > On another note - my kernel - 4.4-Release did not have the following line > between the two if statements: > > > ifp->if_ibytes += m->m_pkthdr.len + sizeof (*eh); > > Is it time for me to upgrade? > If you are working from sources, then it's usually worth tracking the altest version.. cvsup make world make kernel mergemaster reboot it's not that much work :-) (once you have the cvsup set up correctly) > Thanks again! > > -Art > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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