[PATCH v4 24/27] IB/Verbs: Use management helper cap_af_ib()

[Michael Wang <yun.wang-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>]

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

Cc: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Cc: Tom Talpey <tom-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
Cc: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Michael Wang <yun.wang-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
---
 drivers/infiniband/core/cma.c |  2 +-
 include/rdma/ib_verbs.h       | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 0ae88dc..d72a2a4 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -470,7 +470,7 @@ 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 (!cap_af_ib(cur_dev->device, p))
 				continue;
 
 			if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 60f7efb..87ab01b 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1879,6 +1879,21 @@ static inline int cap_ipoib(struct ib_device *device, u8 port_num)
 }
 
 /**
+ * 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 0 when port of the device don't support
+ * Native Infiniband Address.
+ */
+static inline int cap_af_ib(struct ib_device *device, u8 port_num)
+{
+	return rdma_ib_or_iboe(device, port_num);
+}
+
+/**
  * cap_read_multi_sge - Check if the port of device has the capability
  * RDMA Read Multiple Scatter-Gather Entries.
  *
-- 
2.1.0
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