IB/Verbs: Use management helper rdma_cap_eth_ah()

Introduce helper rdma_cap_eth_ah() to help us check if the port of an
IB device support Ethernet Address Handler.

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>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 349d1216564c..8d59479eea4d 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1880,6 +1880,21 @@ static inline bool rdma_cap_af_ib(struct ib_device *device, u8 port_num)
 }
 
 /**
+ * rdma_cap_eth_ah - Check if the port of device has the capability
+ * Ethernet Address Handler.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return false when port of the device don't support
+ * Ethernet Address Handler.
+ */
+static inline bool rdma_cap_eth_ah(struct ib_device *device, u8 port_num)
+{
+	return rdma_protocol_iboe(device, port_num);
+}
+
+/**
  * rdma_cap_read_multi_sge - Check if the port of device has the capability
  * RDMA Read Multiple Scatter-Gather Entries.
  *