diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index ad3a314..1e6c3c7 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -70,6 +70,11 @@
 	RDMA_PS_UDP   = 0x0111,
 };
 
+#define RDMA_IB_IP_PS_MASK   0xFFFFFFFFFFFF0000ULL
+#define RDMA_IB_IP_PS_TCP    0x0000000001060000ULL
+#define RDMA_IB_IP_PS_UDP    0x0000000001110000ULL
+#define RDMA_IB_IP_PS_IB     0x00000000013F0000ULL
+
 struct rdma_addr {
 	struct sockaddr_storage src_addr;
 	struct sockaddr_storage dst_addr;