On Thu, 2014-12-18 at 15:59 +0200, Arik Nemtsov wrote: > On Thu, Dec 18, 2014 at 3:56 PM, Johannes Berg > <[email protected]> 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)... > > Well when someone does NL80211_CMD_GET_REG from usermode, we send the > entire regdom in a single message, so 1000 rules may become > problematic..
Good point. But arguably that's a different problem :) johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
