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Re: [PATCH] mesh: Skip STA expiration on user_mpm mode

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On Fri, Jan 16, 2015 at 11:04:30AM +0900, Masashi Honma wrote:
> 2015-01-15 12:14 GMT+09:00 Bob Copeland <me@xxxxxxxxxxxxxxx>:
> > I took a look at what authsae is doing, and it looks like it's just
> > prepared to handle the NL80211_CMD_DEL_STATION events generated from
> > cfg80211_del_sta() -- is there a reason that couldn't work for wpa_s
> > too?  Then you'd only need the patch to configure that timeout on the
> > client, and you can simplify it by not caring about user_mpm.
> 
> Thank you for your review.
> 
> Indeed wpa_supplicant do nothing even if it receivced NL80211_CMD_DEL_STATION.
> But the mismatch (wpa_supplicant recognizes STA is alive, mac80211
> recognizes STA leaved) is not so good.

Right - so wpa_s could be changed to handle this event (for mesh),
I think.

> Anyway I have not considered authsae user land application.
> Does authsae have it's own inactivity timer ?
> If not, I will drop this patch.

No, it relies on mac80211's inactivity timer.  So, yeah, I think this
patch would break authsae, in the sense that stations would never
get removed.

-- 
Bob Copeland %% http://bobcopeland.com/
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