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Re: [ath5k-devel] Performance regression between Madwifi/net80211 and ath5k/mac80211

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On Wed, 19 Oct 2011 19:33:53 +0800
Adrian Chadd <adrian@xxxxxxxxxxx> wrote:

> .. does madwifi have that net80211 "aggressive mode" by default, where
> it overrides the best-effort WME queue parameters to allow for
> bursting?

I tried madwifi-0.9.4 snapshot on a CM9 card, and I got:

# iwpriv ath0 get_abolt
ath0      get_abolt:218  

218 is 0xda, which means that the following capabilities are enabled:

IEEE80211_ABOLT_TURBO_PRIME
IEEE80211_ABOLT_FAST_FRAME
IEEE80211_ABOLT_BURST
IEEE80211_ABOLT_XR
IEEE80211_ABOLT_AR

And those are not enabled:

IEEE80211_ABOLT_TURBO_G
IEEE80211_ABOLT_COMPRESSION
IEEE80211_ABOLT_WME_ELE

I would just unset all capabilities and retry.

> I see exactly that difference in FreeBSD (33mbit vs 22mbit) when I
> disable that aggressive mode code.

-- 
Regards,
Pavel Roskin
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