[PATCH RFC v2 2/3] rdma_cm: add rdma_consumer_reject() helper function

[swise@opengridcomputing.com (Steve Wise)]

> 
> On Thu, Oct 20, 2016@03:40:26PM -0700, Steve Wise wrote:
> > Return true if the peer consumer application rejected the
> > connection attempt.
> >
> > Signed-off-by: Steve Wise <swise at opengridcomputing.com>
> > ---
> >  drivers/infiniband/core/cma.c | 13 +++++++++++++
> >  include/rdma/ib_cm.h          |  9 +++++++++
> >  include/rdma/iw_cm.h          |  9 +++++++++
> >  include/rdma/rdma_cm.h        |  6 ++++++
> >  4 files changed, 37 insertions(+)
> >
> > diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> > index 7cc7346..4ec16a3 100644
> > --- a/drivers/infiniband/core/cma.c
> > +++ b/drivers/infiniband/core/cma.c
> > @@ -114,6 +114,19 @@ const char *__attribute_const__
> rdma_reject_msg(struct rdma_cm_id *id,
> >  }
> >  EXPORT_SYMBOL(rdma_reject_msg);
> >
> > +bool rdma_consumer_reject(struct rdma_cm_id *id, int reason)
> > +{
> > +	if (rdma_ib_or_roce(id->device, id->port_num))
> > +		return ib_consumer_reject(reason);
> > +
> > +	if (rdma_protocol_iwarp(id->device, id->port_num))
> > +		return iw_consumer_reject(reason);
> > +
> > +	/* FIXME should we WARN_ONCE() here? */
> > +	return false;
> 
> Yes.  Also I'd just inline the ib_consumer_reject and iw_consumer_reject
> helpers here.
> 
> Aso wouldn't it be better named rdma_consumer_is_reject or similar
> given that we don't reject anything here, but check if the request
> has been rejected?

How about rdma_rejected_by_consumer()?