[ofa-general] OpenIB development query

Roland Dreier rdreier at cisco.com
Wed Aug 15 20:16:07 PDT 2007


 > qp_init_attr.cap.max_recv_sge = IB_MAX_REQ;
 > qp_init_attr.cap.max_send_sge = IB_MAX_REQ;

 > IB_MAX_REQ is set 1024.

You didn't say what hardware you are using, but I would suspect that
1024 gather/scatter entries is too many.

 > Is there any maximum limit to the amount of max wr that I can set for a
 > QP.

Yes.  You can get the limits by using the device query verb.

 - R.



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