> Is there an easy way to get the qp_type from a struct rdma_cm_id?
> 
> ie what code needs to go into cma_get_id_stats() to handle this?

With the current code, you'd need to map from the port space:

static inline enum ib_qp_type cma_get_qp_type(struct rdma_cm_id *id)
{
        if (id->ps == RDMA_PS_IPOIB || id->ps == RDMA_PS_UDP)
                return IB_QPT_RC;
        else
                return IB_QPT_RC;
}

        ..
        id_stats->qp_type = cma_get_qp_type(id);
        ..

One of the patches in the af_ib patch set adds the qp_type to struct 
rdma_cm_id.  I'm guessing that patch will also be needed for xrc.

- Sean
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