IB/Verbs: Use management helper rdma_cap_ib_mcast()

Introduce helper rdma_cap_ib_mcast() to help us check if the port of an
IB device support Infiniband Multicast.

Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

2 files changed, 6 insertions, 6 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 6d6546063df2..78becc79f13c 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1014,7 +1014,7 @@ static void cma_leave_mc_groups(struct rdma_id_private *id_priv)
 		mc = container_of(id_priv->mc_list.next,
 				  struct cma_multicast, list);
 		list_del(&mc->list);
-		if (rdma_protocol_ib(id_priv->cma_dev->device,
+		if (rdma_cap_ib_mcast(id_priv->cma_dev->device,
 				      id_priv->id.port_num)) {
 			ib_sa_free_multicast(mc->multicast.ib);
 			kfree(mc);
@@ -3328,7 +3328,7 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr,
 	if (rdma_protocol_iboe(id->device, id->port_num)) {
 		kref_init(&mc->mcref);
 		ret = cma_iboe_join_multicast(id_priv, mc);
-	} else if (rdma_protocol_ib(id->device, id->port_num))
+	} else if (rdma_cap_ib_mcast(id->device, id->port_num))
 		ret = cma_join_ib_multicast(id_priv, mc);
 	else
 		ret = -ENOSYS;
@@ -3362,7 +3362,7 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr)
 
 			BUG_ON(id_priv->cma_dev->device != id->device);
 
-			if (rdma_protocol_ib(id->device, id->port_num)) {
+			if (rdma_cap_ib_mcast(id->device, id->port_num)) {
 				ib_sa_free_multicast(mc->multicast.ib);
 				kfree(mc);
 			} else if (rdma_protocol_iboe(id->device, id->port_num))
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index b57ed03a487e..605f20a9af85 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -780,7 +780,7 @@ static void mcast_event_handler(struct ib_event_handler *handler,
 	int index;
 
 	dev = container_of(handler, struct mcast_device, event_handler);
-	if (WARN_ON(!rdma_protocol_ib(dev->device, event->element.port_num)))
+	if (WARN_ON(!rdma_cap_ib_mcast(dev->device, event->element.port_num)))
 		return;
 
 	index = event->element.port_num - dev->start_port;
@@ -820,7 +820,7 @@ static void mcast_add_one(struct ib_device *device)
 	}
 
 	for (i = 0; i <= dev->end_port - dev->start_port; i++) {
-		if (!rdma_protocol_ib(device, dev->start_port + i))
+		if (!rdma_cap_ib_mcast(device, dev->start_port + i))
 			continue;
 		port = &dev->port[i];
 		port->dev = dev;
@@ -858,7 +858,7 @@ static void mcast_remove_one(struct ib_device *device)
 	flush_workqueue(mcast_wq);
 
 	for (i = 0; i <= dev->end_port - dev->start_port; i++) {
-		if (rdma_protocol_ib(device, dev->start_port + i)) {
+		if (rdma_cap_ib_mcast(device, dev->start_port + i)) {
 			port = &dev->port[i];
 			deref_port(port);
 			wait_for_completion(&port->comp);