[openib-general] APM support in openib stack

Sean Hefty mshefty at ichips.intel.com
Fri Oct 13 15:56:40 PDT 2006


somenath wrote:
> I must be missing something here: do I have to do anything with:
> 
> 1.path_mig_state field of ib_qp_attr?

This should be set when transitioning to RTS.  The field is set by the ib_cm in 
ib_cm_init_qp_attr.  (Actually, are you using this call to set your QP attributes?)

> 2. when do I set alt_port_num? I do that using ib_modify_qp() using 
> IB_QP_PORT attrib mask.

This is set when transitioning to RTR.

> 3. how do I set alt_timeout and alt_pkey_index? with what attrib mask? 
> 4. is there any sample working code using APM?

Not that I'm aware of.




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