[openib-general] Re: inline support in Gen2

[Sayantan Sur]

Roland & Hal,

Roland Dreier wrote:
>     Sayantan> Hi Roland, We had a discussion a few weeks back about
>     Sayantan> the absence of "query_qp" verbs in Gen2. You had
>     Sayantan> indicated that on Gen2, the `ibv_create_qp' itself can
>     Sayantan> be used to pass back the max value of inline data size.
> 
> I have patches from Michael Tsirkin that I am integrating now, which
> will set the value in the init_attr->cap.max_inline_data returned from
> the ibv_create_qp() verb.  This should be done by tomorrow.
> 
>     Sayantan> 1) attach QP to multicast group (
>     Sayantan> VAPI_attach_to_multicast ) 2) detach QP from multicast (
>     Sayantan> VAPI_detach_from_multicast )
> 
>     Sayantan> How does a user process use IB hardware multicast using
>     Sayantan> Gen2 verbs?
> 
> This still needs to be implemented... there will be functions
> 
> int ibv_attach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid);
> int ibv_detach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid);
> 
> these should also be done soon.


Thank you for the information. Looking forward to having these features 
in Gen2.

Thanks,
Sayantan.

> 
> Thanks,
>   Roland
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