Hi.
What are the exact functions of ath_rate_onoe and ath_rate_amrr ? How do they differ?
UPDATING says just a little:
20041201:
        The ath driver has been updated to split the tx rate control  
        algorithm into a separate module.  You need to include either
        ath_rate_onoe or ath_rate_amrr when configuring the kernel.
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Regards,
M. Jessa
http://www.yazzy.org