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Re: sysctl to disable protocol stack
On Wed, Dec 09, 2009 at 03:34:27PM -0800, Matt Thomas wrote:
> On Dec 9, 2009, at 1:34 PM, Matthias Drochner wrote:
> > kre%munnari.OZ.AU@localhost said:
> >> X- if (pffinddomain(dom) == 0)
> >> X+ if ((dp = pffinddomain(dom)) == 0)
> >> X+ return EAFNOSUPPORT;
> >> X+ if (dom_disabled(dp, DOMAIN_NO_SOCKETS))
> >> X return EAFNOSUPPORT;
> > Why so complicated, adding bloat and runtime overhead?
> > The protocols could just be removed from the domsw
> > table, so the normal lookup would do it.
> > I think this is the way to go because a modular system
> > should be able to dynamically load/unload network protocols
> > anyway.
> > (I had protocol LKMs kind of working years ago when I was
> > developing ATM stuff.)
> Doesn't help if_xxxsubr.c ... You really don't want them to
> to put packets in the netisr ifqueues.
struct domain points at the netisr ifqueues, shouldn't we access them
through dom_ifqueues from if_xxxsubr.c, anyway?
DOMAIN_NO_INPUT -> IFQ_MAXLEN(dom_ifqueues[i]) == 0 for all i.
David Young OJC Technologies
dyoung%ojctech.com@localhost Urbana, IL * (217) 278-3933
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