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Re: mac80211 TX frame alignment

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Hi,

> > Do you know if for outgoing frames the header should always
> > be 4-byte aligned?
> 
> I know that there's no alignment guarantee.
>
> > I have a bugreport from users claiming that master mode
> > is failing for rt2500pci because the beacons passed to the
> > driver are not 4-byte aligned which causes the device not
> > to send out the beacons correctly.
> > 
> > I'm just wondering if this is something that should be fixed
> > in the driver or in mac80211.
> 
> I don't think we can fix that in mac80211, since we don't know whether
> or not any alignment is required. We could align beacon frames, I
> suppose, since those are created on the fly, but not data frames.

Ok, I'll look into a patch for making sure rt2x00 aligns all frames
correctly before mapping the DMA.

Thanks,

Ivo
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