Future of the netgraph in DragonFly?

Dennis Melentyev dennis.melentyev at gmail.com
Mon Dec 8 14:13:08 PST 2008

Hi Nuno,

Thanks for patches and directions.

2008/12/7 Nuno Antunes <nuno.antunes at gmail.com>:
> Ok, I uploaded a patch (it is against HEAD from Oct 26) here [1].
> From the notes I wrote, the strategy I was using was like this (for
> porting one netgraph module at a time):
> - create module directory under sys/netgraph7/
> - git-mv module files into direrectory
> - copy Makefile from old netgraph into dir
> - edit sys/netgraph7/Makefile
> - edit etc/mtree/BSD.include
> - edit include/Makefile
> - edit sys/conf/files
> - edit #include's on the module code
> - edit lib/libnetgraph/debug.c (add #includes and COOKIE)
> - edit kernconf [2] and test
> [1] http://leaf.dragonflybsd.org/~nant/wip/netgraph7.diff.bz2
> [2] http://leaf.dragonflybsd.org/~nant/wip/NETGRAPH7.VKERNEL
> Cheers,
> Nuno
> On Sun, Dec 7, 2008 at 4:42 PM, Nuno Antunes <nuno.antunes at gmail.com> wrote:
>> Hi,
>> After Matt imported netgraph7, I worked a bit on it to make it compile
>> and work. But this effort has been interrupted by real job so I tend
>> to work on it on and off.
>> Let me prepare a patch with what I have, and I will upload it for you to see.
>> Cheers,
>> Nuno
>> On Sun, Dec 7, 2008 at 2:53 PM, Dennis Melentyev
>> <dennis.melentyev at gmail.com> wrote:
>>> Hi!
>>> 2008/12/6 Alexander Motin <mav at freebsd.org>:
>>>> Hi.
>>>> Dennis Melentyev wrote:
>>>>> Sorry for bringing back quite old topic, but now it's the time I am
>>>>> interested in mpd :)
>>>>> Today I just compiled (but not tested) libpdel-0.5.3 (just a bunch of
>>>>> #ifdefs,  GET_COOKIE() -> fcookie define,  NG_HOOKLEN and NG_PATHLEN
>>>>> macros).
>>>>> The problem with mpd4.4.1 is much more complex for me: I'm not that
>>>>> experienced with make to re-create bsd.ports.mk and friends. Also, I'm
>>>>> not aware of actual status of DFBSD's netgraph.
>>>>> Could it be a good day to revisit mpd-on-DragonFly issue?
>>>> As good as any other. The main question is still the state of netgraph in
>>>> DF. Last time I have looked, it was in state of FreeBSD4. Now I can see some
>>>> netgraph7 directory in DF CVS, but I have no idea about it's status.
>>>> mpd4.4.1 is the latest mpd version supporting FreeBSD4 in it's netgraph
>>>> state. Now it is legacy and I have no wish to continue development of that
>>>> branch. Present mpd5.2 version is completely superior and this is that front
>>>> line to which you should orient yourself. Mpd5 is widely tunes itself to the
>>>> system capabilities to support all FreeBSD versions starting from 5.x. To
>>>> clean the code some of critical FreeBSD 4.x tunings (for example, NG_NODESIZ
>>>> of 16 bytes support) were removed. But even without this, it still would be
>>>> practically inoperable now due to many other problems in that old netgraph
>>>> code, which are now fixed in new versions.
>>> Ok, that's fair. I will look at mpd5/netgraph on DFLY some night.
>>> Hope, I would be able to do something.
>>>>> What can I provide:
>>>>> 1. Access to DFBSD system (home server, semi-production :) ) and
>>>>> FreeBSD mpd server (router at work, serious production)
>>>>> 2. Testing, some C coding (well, I'm short of DFBSD kernel experience,
>>>>> but should not be a big problem to grep sources)
>>>>> 3. Beer/Juice/Vodka/Borjomi (in Kiev, via the train, airmail, etc). :)
>>>> Sorry, but with my work for FreeBSD I have no spare time to actively
>>>> maintain one more system. If somebody going to finish DF netgraph update to
>>>> the recent FreeBSD state, started by Matthew Dillon, and will maintain it
>>>> further, I will help him with mpd support and my netgraph knowledge.
>>> That's all ok. But probably I would need your advises and clues. Let's
>>> see if I would be able to work on it (the time limits mostly).
>>> --
>>> Dennis Melentyev

Dennis Melentyev

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