netdev - Re: How can i know if I/OAT is supported?

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Date:	Mon, 16 Jun 2008 15:14:45 +0300
From:	"Dotan Barak" <dotanba@...il.com>
To:	"Krzysztof Oledzki" <olel@....pl>
Cc:	netdev@...r.kernel.org
Subject: Re: How can i know if I/OAT is supported?

Thanks for the fast response.

>> I'm trying to use the I/OAT technology but i don't know if the the
>> sent data used this technology.
>> Are there are any counters which indicates how many data was sent using
>> I/OAT?
>
> for f in /sys/class/dma/*; do echo "$f: bytes=`cat $f/bytes_transferred`
> count=`cat $f/memcpy_count`" ; done

I have the folder /sys/class/dma/, but this folder is empty.
What does it mean?

thanks
Dotan
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