A great idea. Michael, you're right that in the kernel FromDevice can't really have specifiable HEADROOM -- that would require driver changes. But everything else should. I've checked in a bunch of these; patches welcome.
Eddie Michael Voorhaen wrote: > I think that just about any packet generating element from 'Network > Devices' and 'Host and Socket Communication' could benefit from this. > While i'm not sure about this being possible for the linuxmodule, we > could at least try to improve consistency across userlevel elements. > > Regards, > Michael > > ------------------------- > IBBT - PATS research group > Dept. of Mathematics and Computer Sciences > University of Antwerp > Campus Middelheim, G3.30 > Middelheimlaan 1 > B-2020 Antwerpen, Belgium > Phone: +32 (0)3 265.32.91 > Fax: +32 (0)3 265.37.77 > Web: www.pats.ua.ac.be/michael.voorhaen > > > > > > > > On 09 Jul 2008, at 15:22, Giovanni Di Stasi wrote: > >> Il Wednesday 09 July 2008 14:43:15 Bart Braem ha scritto: >>> Dear list, >>> >>> We noticed that FromHost has a very useful HEADROOM keyword to >>> control >>> headroom added to new packets. Would it be useful to add the same to >>> FromDevice? In case of bridging or tunneling setups we think it would >>> be useful to be able to control HEADROOM in the script. >>> We will create a patch if other people like this feature as well. >>> >>> Regards, >>> Bart >> To the FromDevice? Yes, it would be a nice addition. But how about >> adding this >> feature to the FromHost belonging to the LinuxModule? >> >> It could be useful when you want to add an extra header to avoid >> the "expensive pushes". However, I don't know if it is easy to make >> this >> addition (maybe it is necessary to modify the linux kernel, in the >> parts >> where packets are created). >> >> >> -- >> Giovanni Di Stasi, Junior Researcher >> Dipartimento di Informatica e Sistemistica >> Università degli Studi di Napoli "Federico II" >> Via Claudio, 21 - 80125 Napoli - Italy >> >> Phone: +39 081 7683821 >> Fax: +39 081 7683816 >> E-mail: [EMAIL PROTECTED] >> >> _______________________________________________ >> click mailing list >> click@amsterdam.lcs.mit.edu >> https://amsterdam.lcs.mit.edu/mailman/listinfo/click > > > _______________________________________________ > click mailing list > click@amsterdam.lcs.mit.edu > https://amsterdam.lcs.mit.edu/mailman/listinfo/click _______________________________________________ click mailing list click@amsterdam.lcs.mit.edu https://amsterdam.lcs.mit.edu/mailman/listinfo/click