[pkg-wpa-devel] Bug#655129: Bug#655129: hostapd: EAPOL reauthentication/rekeying timeout loop when using WMM

Stefan Lippers-Hollmann s.L-H at gmx.de
Sun Jan 8 18:52:18 UTC 2012


Hi

On Sunday 08 January 2012, Henry-Nicolas Tourneur wrote:
> Package: hostapd
> Severity: wishlist
> 
> Dear Maintainer,
> 
> After installing hostapd on a Wheezy embdedded box, I tried to get the full bw
> of the card I have (it's a Atheros chip, 802.11N, TL-WN861N).
> 
> Apparently the HT40- or HT40+ options of hostapd are not working with WMM enabled.
> This result in an EAPOL reauthentication loop. It seems this happens more often with 
> Intel chipsets (on the client side). 
> Obviously, not having the 40Mhz bw available largely reduce the effective throughput.
> 
> Anyway, the bug is described here with details:
> https://dev.openwrt.org/ticket/8830
> 
> And a commit in the hostapd git fixes that bug:
> http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap-1.git;a=commit;h=4378fc14ebfb355705e7674bf347ea659bcd77bc
> 
> So it would be really great if you could backport that commit as a patch in the Debian package.
> 
> Also, it seems that wpa_supplicant needs to be patched as well in order to get this fixed.
[…]

Thanks a lot for investigating this issue so well, looking at the patch
and subsequent fix-ups in hostapd-1.git, I fear it wouldn't be a good 
idea to cherry-pick with to the dormant 0.7.x branch, given that the 
patch as-is breaks QoS and would need rather large fixes down the line.
I will check this a bit more thouroughly, but tend to err on the side 
of caution for the 0.7 branch at the moment.

At this moment, it has not been decided yet, if wheezy will ship 
hostapd/ wpasupplicant 0.7.x or 1.0, as moving to the 1.x branch would 
usually require a 1.0.0 upstream release well in advance to wheezy's 
intended freeze date…

Regards
	Stefan Lippers-Hollmann
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