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path: root/drivers/infiniband/core/cma.c
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Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r--drivers/infiniband/core/cma.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index a403e679c6c1..441555a35525 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -146,6 +146,34 @@ const void *rdma_consumer_reject_data(struct rdma_cm_id *id,
}
EXPORT_SYMBOL(rdma_consumer_reject_data);
+/**
+ * rdma_iw_cm_id() - return the iw_cm_id pointer for this cm_id.
+ * @id: Communication Identifier
+ */
+struct iw_cm_id *rdma_iw_cm_id(struct rdma_cm_id *id)
+{
+ struct rdma_id_private *id_priv;
+
+ id_priv = container_of(id, struct rdma_id_private, id);
+ if (id->device->node_type == RDMA_NODE_RNIC)
+ return id_priv->cm_id.iw;
+ return NULL;
+}
+EXPORT_SYMBOL(rdma_iw_cm_id);
+
+/**
+ * rdma_res_to_id() - return the rdma_cm_id pointer for this restrack.
+ * @res: rdma resource tracking entry pointer
+ */
+struct rdma_cm_id *rdma_res_to_id(struct rdma_restrack_entry *res)
+{
+ struct rdma_id_private *id_priv =
+ container_of(res, struct rdma_id_private, res);
+
+ return &id_priv->id;
+}
+EXPORT_SYMBOL(rdma_res_to_id);
+
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device, void *client_data);