As regards the CQ notification frequency, I noticed that the function req_ncomp_notif used by ib_req_ncom_notif is not implemented yet. I was hoping that if this was implemented, I would just use ib_req_ncom_notif with a count of 10 in place of ib_req_com_notif. Please share your comments on this approach and it will be great if you have a patch with the ib_req_ncom_notif implementation.
Thanks in advance,
harish
On 8/29/06, Roland Dreier <[EMAIL PROTECTED]> wrote:
harish> Hi Roland, Thanks a lot for the prompt response. Could you
harish> please let me know as to what is the expected time frame
harish> for having NAPI for IPoIB implemented. Also as regards to
harish> the first question, would it make sense to play around
harish> with the cq notification frequency. Will it help to reduce
harish> the CPU utilization/ interrupt overhead?
I can't tell you when NAPI will be implemented, since I don't know if
anyone is working on it.
You could try playing around with the CQ notification frequency but if
you're going to hack the driver then I think it would be just as easy
to implement NAPI. Anyway, give it a try and let us know your results.
Thanks,
Roland
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