netgraph on disc(4)

[Gleb Smirnoff]

On Tue, May 30, 2006 at 02:00:43PM +0200, Yann Berthier wrote:
Y> > On Sun, May 28, 2006 at 09:43:19PM +0200, Yann Berthier wrote:
Y> > Y> 
Y> > Y>    Hello Gleb,
Y> > Y> 
Y> > Y>    err, sorry for the forward if you saw the thread already but, have
Y> > Y>    you any input on this ? that's not critical but still, i see value in
Y> > Y>    being able to use ng_netflow on traffic flowing on dummy interfaces
Y> > Y>    (lo, disc, ...)
Y> > 
Y> > I've have written some code to wrap any interface some time ago. Here
Y> > it is attached. Sorry, I didn't ever used it and not sure it is compilable
Y> > on recent FreeBSD versions.
Y> 
Y>    Many thanks - so, it compiles on a one month old -CURRENT, but it
Y>    fails when i try to use it on a loopback interface - i'm able to wrap
Y>    a real one though:
Y> 
Y> mkpeer ifwrap qq upper
Y> name .:qq wrap_disc0
Y> disconnect .:qq
Y> msg wrap_disc0: attach "disc0"
Y> ngctl: send msg: Operation not supported
Y> 
Y>    Anyway, do others see an interest in it ? would it be worth
Y>    integrating it into the tree ? Except for ng_netflow over loopback
Y>    links, would there be other consumers of this feature ?

The problem is that most of interfaces in the stack doesn't have if_output
method, that's why ng_ifwrap doesn't work on them. That is the main
reason why I haven't committed the code to CVS.

-- 
Totus tuus, Glebius.
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