IB/Verbs: Use management helper rdma_cap_af_ib()

Introduce helper rdma_cap_af_ib() to help us check if the port of an
IB device support Native Infiniband Address.

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>

drivers/infiniband/core/cma.c

@@ -448,7 +448,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
 
 	list_for_each_entry(cur_dev, &dev_list, list) {
 		for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
-			if (!rdma_ib_or_iboe(cur_dev->device, p))
+			if (!rdma_cap_af_ib(cur_dev->device, p))
 				continue;
 
 			if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))

include/rdma/ib_verbs.h

@@ -1864,6 +1864,21 @@ static inline bool rdma_cap_ib_mcast(struct ib_device *device, u8 port_num)
 	return rdma_cap_ib_sa(device, port_num);
 }
 
+/**
+ * rdma_cap_af_ib - Check if the port of device has the capability
+ * Native Infiniband Address.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return false when port of the device don't support
+ * Native Infiniband Address.
+ */
+static inline bool rdma_cap_af_ib(struct ib_device *device, u8 port_num)
+{
+	return rdma_ib_or_iboe(device, port_num);
+}
+
 /**
  * rdma_cap_read_multi_sge - Check if the port of device has the capability
  * RDMA Read Multiple Scatter-Gather Entries.