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Re: [PATCH] nl80211: increase the max number of rules in regdomain

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On Thu, 2014-12-18 at 14:56 +0100, Johannes Berg wrote:
> On Wed, 2014-12-17 at 18:00 +0200, Arik Nemtsov wrote:
> > Some network cards (Intel) produce per-channel regdomains and rely on
> > cfg80211 to merge rules as needed. This hits the max rules limit and
> > fails.
> 
> Maybe we should consider just getting rid of this or bumping it to
> something ridiculously large like 1000? Looking at how this is (not)
> used, there's no real sense in limiting it. The only possible problem is
> the O(n^2) complexity when doing an intersection, but processing a
> million combinations is probably not a big deal? In fact, even if that
> becomes a problem, we can easily optimise that complexity away by
> sorting the rules or so. Then it becomes O(n log n)...

For now I'll apply this anyway though.

johannes

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