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authorGuy Shapiro <guysh@mellanox.com>2015-10-22 15:20:10 +0300
committerDoug Ledford <dledford@redhat.com>2015-10-28 12:32:48 -0400
commitfa20105e09e97e81aadf02f722c31195e4a75c84 (patch)
treebb25c580d408a2c4a96abda8c49c2751e72bfe52 /include/rdma
parent4be74b42a6d05a74a21362010cd3920fa17f63c7 (diff)
IB/cma: Add support for network namespaces
Add support for network namespaces in the ib_cma module. This is accomplished by: 1. Adding network namespace parameter for rdma_create_id. This parameter is used to populate the network namespace field in rdma_id_private. rdma_create_id keeps a reference on the network namespace. 2. Using the network namespace from the rdma_id instead of init_net inside of ib_cma, when listening on an ID and when looking for an ID for an incoming request. 3. Decrementing the reference count for the appropriate network namespace when calling rdma_destroy_id. In order to preserve the current behavior init_net is passed when calling from other modules. Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Yotam Kenneth <yotamke@mellanox.com> Signed-off-by: Shachar Raindel <raindel@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/rdma_cm.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index c92522c192d2..463ec0ccbe51 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -160,13 +160,17 @@ struct rdma_cm_id {
/**
* rdma_create_id - Create an RDMA identifier.
*
+ * @net: The network namespace in which to create the new id.
* @event_handler: User callback invoked to report events associated with the
* returned rdma_id.
* @context: User specified context associated with the id.
* @ps: RDMA port space.
* @qp_type: type of queue pair associated with the id.
+ *
+ * The id holds a reference on the network namespace until it is destroyed.
*/
-struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
+struct rdma_cm_id *rdma_create_id(struct net *net,
+ rdma_cm_event_handler event_handler,
void *context, enum rdma_port_space ps,
enum ib_qp_type qp_type);

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