[openib-general] How to increase the waiting period/timeout for the completion of an RDMA operation?

Bub Thomas thomas.bub at thomson.net
Sat Nov 18 03:58:19 PST 2006


Oops,
I forgot to mention that the user paramter that fills this
local_ack_timeout is called packet_life_time out of the
ib_sa_path_record handed into the ib_cm_send_req.

Maybe someone can put this into the upcoming man pages, if not already
done.

Thomas

> -----Original Message-----
> From: Bub Thomas
> Sent: Saturday, November 18, 2006 12:41 PM
> To: 'dotanb at dev.mellanox.co.il'; Roland Dreier
> Cc: Thomas Bub; 'Erez Cohen'; openib-general at openib.org
> Subject: RE: [openib-general] How to increase the waiting
period/timeout
> for the completion of an RDMA operation?
> 
> Thanks that helped.
> Thomas
> 
> 
> > -----Original Message-----
> > From: dotanb at dev.mellanox.co.il [mailto:dotanb at dev.mellanox.co.il]
> > Sent: Saturday, November 18, 2006 6:55 AM
> > To: Roland Dreier
> > Cc: Thomas Bub; 'Erez Cohen'; Bub Thomas; openib-general at openib.org
> > Subject: Re: [openib-general] How to increase the waiting
period/timeout
> > for the completion of an RDMA operation?
> >
> > > I think the attribute to look at is struct ibv_qp_attr.timeout.
I'm
> > > not really sure if the CM sets it or not.
> > >
> > >  - R.
> >
> > The CM sets this attribute and it called "local_ack_timeout" in the
CM
> > structures.
> >
> > Dotan
> >






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