[ofa-general] [PATCH 14/16] ib/ipoib: Support modifying IPOIB CQ moderation params

Or Gerlitz ogerlitz at voltaire.com
Sun Jan 20 02:13:25 PST 2008


Eli Cohen wrote:
> On Thu, 2008-01-17 at 15:22 +0200, Or Gerlitz wrote:
>> Eli Cohen wrote:

>> IPoIB has one CQ. As I see it, this means that you should either let the 
>> user specify only one of rx or tx coalescing params, or make sure that 
>> the user did not provide something that the driver can not deploy, eg 
>> rx_usecs 12 tx_usecs 1

> I think making sure you can't provide two different values for rx and tx
> will do.

ok.

Anyway, note that with your planned re-separation of the rx and tx CQs, 
with no interrupts used for the tx CQ, you would need to remove all the 
control given to the user on tx interrupt moderation... so if you will 
not let them control tx from day one your life would be easier here, no?

Or.








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