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Re: ieee80211_tx_status: headroom too small

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On Sat, 2009-10-31 at 10:30 +0100, Ivo van Doorn wrote:

> > > 4 actually, wasn't there some cases where the header could have an odd
> > > number of bytes and would require 3 bytes for alignment?
> > 
> > Hm, is there? I thought they changed the 11s draft to no longer have
> > that.
> 
> Well 2 is fine in that case, (I was basing my comment on something said on this mailinglist
> a long time ago). :)

However, it really all depends on the hardware too ... Maybe we should
put more of the logic into drivers, and have mac80211 only export its
required headroom?

Or maybe we should just not bother with having drivers do the alignment
any more -- mac80211 does that now and it only does it if necessary
(i.e. not on powerpc/x86)

johannes

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