Introduce helper cap_ib_mcast() to help us check if the port of an
IB device support Infiniband Multicast.
Cc: Jason Gunthorpe <jguntho...@obsidianresearch.com>
Cc: Doug Ledford <dledf...@redhat.com>
Cc: Ira Weiny <ira.we...@intel.com>
Cc: Sean Hefty <sean.he...@intel.com>
Signed-off-by: Michael Wang <yun.w...@profitbricks.com>
---
drivers/infiniband/core/multicast.c | 12 +++---------
include/rdma/ib_verbs.h | 15 +++++++++++++++
2 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/core/multicast.c
b/drivers/infiniband/core/multicast.c
index fa17b55..bdc1880 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -780,8 +780,7 @@ static void mcast_event_handler(struct ib_event_handler
*handler,
int index;
dev = container_of(handler, struct mcast_device, event_handler);
- if (rdma_port_get_link_layer(dev->device, event->element.port_num) !=
- IB_LINK_LAYER_INFINIBAND)
+ if (WARN_ON(!cap_ib_mcast(dev->device, event->element.port_num)))
return;
index = event->element.port_num - dev->start_port;
@@ -808,9 +807,6 @@ static void mcast_add_one(struct ib_device *device)
int i;
int count = 0;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
dev = kmalloc(sizeof *dev + device->phys_port_cnt * sizeof *port,
GFP_KERNEL);
if (!dev)
@@ -824,8 +820,7 @@ static void mcast_add_one(struct ib_device *device)
}
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
- if (rdma_port_get_link_layer(device, dev->start_port + i) !=
- IB_LINK_LAYER_INFINIBAND)
+ if (!cap_ib_mcast(device, dev->start_port + i))
continue;
port = &dev->port[i];
port->dev = dev;
@@ -863,8 +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_port_get_link_layer(device, dev->start_port + i) ==
- IB_LINK_LAYER_INFINIBAND) {
+ if (cap_ib_mcast(device, dev->start_port + i)) {
port = &dev->port[i];
deref_port(port);
wait_for_completion(&port->comp);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c405e45..5a5f6d5 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1833,6 +1833,21 @@ static inline int cap_ib_sa(struct ib_device *device, u8
port_num)
return rdma_transport_ib(device, port_num);
}
+/**
+ * cap_ib_mcast - Check if the port of device has the capability Infiniband
+ * Multicast.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return 0 when port of the device don't support Infiniband
+ * Multicast.
+ */
+static inline int cap_ib_mcast(struct ib_device *device, u8 port_num)
+{
+ return cap_ib_sa(device, port_num);
+}
+
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
--
2.1.0
--
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