IB/core: Add receive flow steering support

[karo-tx-linux.git] / drivers / infiniband / core / verbs.c

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 22192deb88282b51f195521e6468840655bb219e..87a8102c9dbe623729a99d379b48e361cad90273 100644 (file)
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1254,3 +1254,30 @@ int ib_dealloc_xrcd(struct ib_xrcd *xrcd)
        return xrcd->device->dealloc_xrcd(xrcd);
 }
 EXPORT_SYMBOL(ib_dealloc_xrcd);
+
+struct ib_flow *ib_create_flow(struct ib_qp *qp,
+                              struct ib_flow_attr *flow_attr,
+                              int domain)
+{
+       struct ib_flow *flow_id;
+       if (!qp->device->create_flow)
+               return ERR_PTR(-ENOSYS);
+
+       flow_id = qp->device->create_flow(qp, flow_attr, domain);
+       if (!IS_ERR(flow_id))
+               atomic_inc(&qp->usecnt);
+       return flow_id;
+}
+EXPORT_SYMBOL(ib_create_flow);
+
+int ib_destroy_flow(struct ib_flow *flow_id)
+{
+       int err;
+       struct ib_qp *qp = flow_id->qp;
+
+       err = qp->device->destroy_flow(flow_id);
+       if (!err)
+               atomic_dec(&qp->usecnt);
+       return err;
+}
+EXPORT_SYMBOL(ib_destroy_flow);