Andrew Gallatin wrote:
> Garrett D'Amore wrote:
>> Andrew Gallatin wrote:
>>> Francesco DiMambro wrote:
>>>
>>> > By the way I measured my driver last night against Linux which
>>> uses TOE,
>>> > get slow Rx out of the equation, I can get 1.2G from the Niagara
>>> system
>>> > with a single strand pegged. Nothing fancy just netperf -H .....
>>> -- -S1M
>>> > -s1M.
>>>
>>> Have you compared to LSO? This is a bit of an apples and oranges
>>> comparison, but I see 2.2Gb/s from a single netperf using my GLDv3
>>> LSO driver on a similar system (T2000, 1000MHz cpu).
>>>
>>> Also, can you point to a definition of the MDT interface? Are there
>>> any consumers of it already in the tree so I can see how it works?
>>> All this talk of it has made me quite curious.
>>
>> No. The only consumer I know of for MDT is Cassini. I doubt it will
>> ever be opened, but I certainly don't speak for the powers that be.
>> (Otherwise it would long ago have been ported to GLDv3 and open
>> sourced. :-)
>
> It seems to also be in GLDv2, but only for use of Infiniband
> drivers. gld_register() seems to allow on IB to use MDT.
Interesting, I had forgotten about that one. IB should be ported to
GLDv3, if not already done. (I know I code reviewed such a while back.
Not sure if it ever integrated.)
-- Garrett
>
>
>
> Drew
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