Add two helper functions (ib_lid_cpu16(), ib_lid_be16()) to
convert 32 bit lids to 16 bits.
Signed-off-by: Don Hiatt <don.hiatt@xxxxxxxxx>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
---
include/rdma/ib_verbs.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index a7d6990..3875ea5d 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -3710,4 +3710,16 @@ static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev,
else
return RDMA_AH_ATTR_TYPE_IB;
}
+
+/* Return lid in 16bit CPU encoding */
+static inline u16 ib_lid_cpu16(u32 lid)
+{
+ return (u16)lid;
+}
+
+/* Return lid in 16bit BE encoding */
+static inline u16 ib_lid_be16(u32 lid)
+{
+ return cpu_to_be16((u16)lid);
+}
#endif /* IB_VERBS_H */
--
1.8.3.1
--
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