diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index f6d2961..27f1bec 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
         goto error1;
     }

-    if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
+    if (rdma_port_ll_is_ib(device, port_num)) {
         /* Obtain send only MAD agent for SMI QP */
         port_priv->agent[0] = ib_register_mad_agent(device, port_num,
                                 IB_QPT_SMI, NULL, 0,
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index e28a494..2c72e9e 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3762,7 +3762,7 @@ static void cm_add_one(struct ib_device *ib_device)
     int ret;
     u8 i;

-    if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(ib_device))
         return;

     cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d570030..668e955 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -375,8 +375,8 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv,
                      listen_id_priv->id.port_num) == dev_ll) {
         cma_dev = listen_id_priv->cma_dev;
         port = listen_id_priv->id.port_num;
-        if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
-            rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
+        if (rdma_transport_is_ib(cma_dev->device) &&
+            rdma_port_ll_is_eth(cma_dev->device, port))
             ret = ib_find_cached_gid(cma_dev->device, &iboe_gid,
                          &found_port, NULL);
         else
@@ -395,8 +395,8 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv,
                 listen_id_priv->id.port_num == port)
                 continue;
             if (rdma_port_get_link_layer(cma_dev->device, port) == dev_ll) {
-                if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
-                    rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
+                if (rdma_transport_is_ib(cma_dev->device) &&
+                    rdma_port_ll_is_eth(cma_dev->device, port))
                     ret = ib_find_cached_gid(cma_dev->device, &iboe_gid, &found_port, NULL);
                 else
                     ret = ib_find_cached_gid(cma_dev->device, &gid, &found_port, NULL);
@@ -435,7 +435,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
     pkey = ntohs(addr->sib_pkey);

     list_for_each_entry(cur_dev, &dev_list, list) {
-        if (rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
+        if (!rdma_transport_is_ib(cur_dev->device))
             continue;

         for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
@@ -633,10 +633,8 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv,
     if (ret)
         goto out;

-    if (rdma_node_get_transport(id_priv->cma_dev->device->node_type)
-        == RDMA_TRANSPORT_IB &&
-        rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
-        == IB_LINK_LAYER_ETHERNET) {
+    if (rdma_transport_is_ib(id_priv->cma_dev->device) &&
+        rdma_port_ll_is_eth(id_priv->id.device, id_priv->id.port_num)) {
         ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);

         if (ret)
@@ -700,8 +698,7 @@ static int cma_ib_init_qp_attr(struct rdma_id_private *id_priv,
     int ret;
     u16 pkey;

-    if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) ==
-        IB_LINK_LAYER_INFINIBAND)
+    if (rdma_port_ll_is_ib(id_priv->id.device, id_priv->id.port_num))
         pkey = ib_addr_get_pkey(dev_addr);
     else
         pkey = 0xffff;
@@ -1626,7 +1623,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
     int ret;

     if (cma_family(id_priv) == AF_IB &&
-        rdma_node_get_transport(cma_dev->device->node_type) != RDMA_TRANSPORT_IB)
+        !rdma_transport_is_ib(cma_dev->device))
         return;

     id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
@@ -2028,7 +2025,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv)
     mutex_lock(&lock);
     list_for_each_entry(cur_dev, &dev_list, list) {
         if (cma_family(id_priv) == AF_IB &&
- rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
+            !rdma_transport_is_ib(cur_dev->device))
             continue;

         if (!cma_dev)
@@ -2060,7 +2057,7 @@ port_found:
         goto out;

     id_priv->id.route.addr.dev_addr.dev_type =
-        (rdma_port_get_link_layer(cma_dev->device, p) == IB_LINK_LAYER_INFINIBAND) ?
+        (rdma_port_ll_is_ib(cma_dev->device, p)) ?
         ARPHRD_INFINIBAND : ARPHRD_ETHER;

     rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid);
@@ -3405,7 +3402,7 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr)
                 ib_detach_mcast(id->qp,
                         &mc->multicast.ib->rec.mgid,
 be16_to_cpu(mc->multicast.ib->rec.mlid));
-            if (rdma_node_get_transport(id_priv->cma_dev->device->node_type) == RDMA_TRANSPORT_IB) {
+            if (rdma_transport_is_ib(id_priv->cma_dev->device)) {
                 switch (rdma_port_get_link_layer(id->device, id->port_num)) {
                 case IB_LINK_LAYER_INFINIBAND:
                     ib_sa_free_multicast(mc->multicast.ib);
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 74c30f4..23cf9e8 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -2938,7 +2938,7 @@ static int ib_mad_port_open(struct ib_device *device,
     init_mad_qp(port_priv, &port_priv->qp_info[1]);

     cq_size = mad_sendq_size + mad_recvq_size;
-    has_smi = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND;
+    has_smi = rdma_port_ll_is_ib(device, port_num);
     if (has_smi)
         cq_size *= 2;

@@ -3057,7 +3057,7 @@ static void ib_mad_init_device(struct ib_device *device)
 {
     int start, end, i;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     if (device->node_type == RDMA_NODE_IB_SWITCH) {
@@ -3102,7 +3102,7 @@ static void ib_mad_remove_device(struct ib_device *device)
 {
     int i, num_ports, cur_port;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     if (device->node_type == RDMA_NODE_IB_SWITCH) {
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index fa17b55..17573ff 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -780,8 +780,7 @@ static void mcast_event_handler(struct ib_event_handler *handler,
     int index;

     dev = container_of(handler, struct mcast_device, event_handler);
-    if (rdma_port_get_link_layer(dev->device, event->element.port_num) !=
-        IB_LINK_LAYER_INFINIBAND)
+    if (!rdma_port_ll_is_ib(dev->device, event->element.port_num))
         return;

     index = event->element.port_num - dev->start_port;
@@ -808,7 +807,7 @@ static void mcast_add_one(struct ib_device *device)
     int i;
     int count = 0;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     dev = kmalloc(sizeof *dev + device->phys_port_cnt * sizeof *port,
@@ -824,8 +823,7 @@ static void mcast_add_one(struct ib_device *device)
     }

     for (i = 0; i <= dev->end_port - dev->start_port; i++) {
-        if (rdma_port_get_link_layer(device, dev->start_port + i) !=
-            IB_LINK_LAYER_INFINIBAND)
+        if (!rdma_port_ll_is_ib(device, dev->start_port + i))
             continue;
         port = &dev->port[i];
         port->dev = dev;
@@ -863,8 +861,7 @@ static void mcast_remove_one(struct ib_device *device)
     flush_workqueue(mcast_wq);

     for (i = 0; i <= dev->end_port - dev->start_port; i++) {
-        if (rdma_port_get_link_layer(device, dev->start_port + i) ==
-            IB_LINK_LAYER_INFINIBAND) {
+        if (rdma_port_ll_is_ib(device, dev->start_port + i)) {
             port = &dev->port[i];
             deref_port(port);
             wait_for_completion(&port->comp);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index c38f030..d95d25f 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
         struct ib_sa_port *port =
             &sa_dev->port[event->element.port_num - sa_dev->start_port];

-        if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND)
+        if (!rdma_port_ll_is_ib(handler->device, port->port_num))
             return;

         spin_lock_irqsave(&port->ah_lock, flags);
@@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
     ah_attr->port_num = port_num;
     ah_attr->static_rate = rec->rate;

-    force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
+    force_grh = rdma_port_ll_is_eth(device, port_num);

     if (rec->hop_limit > 1 || force_grh) {
         ah_attr->ah_flags = IB_AH_GRH;
@@ -1154,7 +1154,7 @@ static void ib_sa_add_one(struct ib_device *device)
     struct ib_sa_device *sa_dev;
     int s, e, i;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     if (device->node_type == RDMA_NODE_IB_SWITCH)
@@ -1175,7 +1175,7 @@ static void ib_sa_add_one(struct ib_device *device)

     for (i = 0; i <= e - s; ++i) {
         spin_lock_init(&sa_dev->port[i].ah_lock);
-        if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND)
+        if (!rdma_port_ll_is_ib(device, i + 1))
             continue;

         sa_dev->port[i].sm_ah    = NULL;
@@ -1205,14 +1205,14 @@ static void ib_sa_add_one(struct ib_device *device)
         goto err;

     for (i = 0; i <= e - s; ++i)
-        if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+        if (rdma_port_ll_is_ib(device, i + 1))
             update_sm_ah(&sa_dev->port[i].update_task);

     return;

 err:
     while (--i >= 0)
-        if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+        if (rdma_port_ll_is_ib(device, i + 1))
             ib_unregister_mad_agent(sa_dev->port[i].agent);

     kfree(sa_dev);
@@ -1233,7 +1233,7 @@ static void ib_sa_remove_one(struct ib_device *device)
     flush_workqueue(ib_wq);

     for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
-        if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) {
+        if (rdma_port_ll_is_ib(device, i + 1)) {
             ib_unregister_mad_agent(sa_dev->port[i].agent);
             if (sa_dev->port[i].sm_ah)
                 kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index f2f6393..ddbe0b4 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1253,8 +1253,7 @@ static void ib_ucm_add_one(struct ib_device *device)
     dev_t base;
     struct ib_ucm_device *ucm_dev;

-    if (!device->alloc_ucontext ||
-        rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!device->alloc_ucontext || !rdma_transport_is_ib(device))
         return;

     ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 928cdd2..28a8b30 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1274,7 +1274,7 @@ static void ib_umad_add_one(struct ib_device *device)
     struct ib_umad_device *umad_dev;
     int s, e, i;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     if (device->node_type == RDMA_NODE_IB_SWITCH)
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index f93eb8d..d8d015a 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -198,8 +198,7 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc,
     u32 flow_class;
     u16 gid_index;
     int ret;
-    int is_eth = (rdma_port_get_link_layer(device, port_num) ==
-            IB_LINK_LAYER_ETHERNET);
+    int is_eth = (rdma_port_ll_is_eth(device, port_num));

     memset(ah_attr, 0, sizeof *ah_attr);
     if (is_eth) {
@@ -871,7 +870,7 @@ int ib_resolve_eth_l2_attrs(struct ib_qp *qp,
     union ib_gid  sgid;

     if ((*qp_attr_mask & IB_QP_AV)  &&
-        (rdma_port_get_link_layer(qp->device, qp_attr->ah_attr.port_num) == IB_LINK_LAYER_ETHERNET)) {
+        (rdma_port_ll_is_eth(qp->device, qp_attr->ah_attr.port_num))) {
         ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num,
                    qp_attr->ah_attr.grh.sgid_index, &sgid);
         if (ret)
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 2d8c339..829eb60 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -118,7 +118,7 @@ struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
     if (!ah)
         return ERR_PTR(-ENOMEM);

-    if (rdma_port_get_link_layer(pd->device, ah_attr->port_num) == IB_LINK_LAYER_ETHERNET) {
+    if (rdma_port_ll_is_eth(pd->device, ah_attr->port_num)) {
         if (!(ah_attr->ah_flags & IB_AH_GRH)) {
             ret = ERR_PTR(-EINVAL);
         } else {
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index cb63ecd..0417f03 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -789,9 +789,7 @@ repoll:
             break;
         }

-        is_eth = (rdma_port_get_link_layer(wc->qp->device,
-                          (*cur_qp)->port) ==
-              IB_LINK_LAYER_ETHERNET);
+        is_eth = (rdma_port_ll_is_eth(wc->qp->device, (*cur_qp)->port));
         if (mlx4_is_mfunc(to_mdev(cq->ibcq.device)->dev)) {
             if ((*cur_qp)->mlx4_ib_qp_type &
                 (MLX4_IB_QPT_PROXY_SMI_OWNER |
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 82a7dd8..4736fc7 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -606,12 +606,7 @@ static int mlx4_ib_demux_mad(struct ib_device *ibdev, u8 port,
     int err;
     int slave;
     u8 *slave_id;
-    int is_eth = 0;
-
-    if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND)
-        is_eth = 0;
-    else
-        is_eth = 1;
+    int is_eth = rdma_port_ll_is_eth(ibdev, port);

     if (is_eth) {
         if (!(wc->wc_flags & IB_WC_GRH)) {
@@ -1252,7 +1247,7 @@ out:

 static int get_slave_base_gid_ix(struct mlx4_ib_dev *dev, int slave, int port)
 {
-    if (rdma_port_get_link_layer(&dev->ib_dev, port) == IB_LINK_LAYER_INFINIBAND)
+    if (rdma_port_ll_is_ib(&dev->ib_dev, port))
         return slave;
     return mlx4_get_base_gid_ix(dev->dev, slave, port);
 }
@@ -1260,7 +1255,7 @@ static int get_slave_base_gid_ix(struct mlx4_ib_dev *dev, int slave, int port)
 static void fill_in_real_sgid_index(struct mlx4_ib_dev *dev, int slave, int port,
                     struct ib_ah_attr *ah_attr)
 {
-    if (rdma_port_get_link_layer(&dev->ib_dev, port) == IB_LINK_LAYER_INFINIBAND)
+    if (rdma_port_ll_is_ib(&dev->ib_dev, port))
         ah_attr->grh.sgid_index = slave;
     else
         ah_attr->grh.sgid_index += get_slave_base_gid_ix(dev, slave, port);
@@ -1758,8 +1753,7 @@ static int create_pv_resources(struct ib_device *ibdev, int slave, int port,

     ctx->state = DEMUX_PV_STATE_STARTING;
     /* have QP0 only if link layer is IB */
-    if (rdma_port_get_link_layer(ibdev, ctx->port) ==
-        IB_LINK_LAYER_INFINIBAND)
+    if (rdma_port_ll_is_ib(ibdev, ctx->port))
         ctx->has_smi = 1;

     if (ctx->has_smi) {
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 0b280b1..f445f4c 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -482,7 +482,7 @@ static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index,
 static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
                  union ib_gid *gid)
 {
-    if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND)
+    if (rdma_port_ll_is_ib(ibdev, port))
         return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
     else
         return iboe_query_gid(ibdev, port, index, gid);
@@ -1801,8 +1801,7 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
     int err = 0;

     for (i = 1; i <= ibdev->num_ports; ++i) {
-        if (rdma_port_get_link_layer(&ibdev->ib_dev, i) ==
-            IB_LINK_LAYER_ETHERNET) {
+        if (rdma_port_ll_is_eth(&ibdev->ib_dev, i)) {
             err = reset_gid_table(ibdev, i);
             if (err)
                 goto out;
@@ -2554,8 +2553,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
         if (p > ibdev->num_ports)
             return;
         if (mlx4_is_master(dev) &&
-            rdma_port_get_link_layer(&ibdev->ib_dev, p) ==
-            IB_LINK_LAYER_INFINIBAND) {
+            rdma_port_ll_is_ib(&ibdev->ib_dev, p)) {
             mlx4_ib_invalidate_all_guid_record(ibdev, p);
         }
         ibev.event = IB_EVENT_PORT_ACTIVE;
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 6eb743f..1befeb8 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -712,7 +712,7 @@ static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 {
     u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;

-    if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
+    if (rdma_port_ll_is_eth(ah->ibah.device, port))
         return true;

     return !!(ah->av.ib.g_slid & 0x80);
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index c880329..bd2f557 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1248,8 +1248,7 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
               u64 smac, u16 vlan_tag, struct mlx4_qp_path *path,
               struct mlx4_roce_smac_vlan_info *smac_info, u8 port)
 {
-    int is_eth = rdma_port_get_link_layer(&dev->ib_dev, port) ==
-        IB_LINK_LAYER_ETHERNET;
+    int is_eth = rdma_port_ll_is_eth(&dev->ib_dev, port);
     int vidx;
     int smac_index;
     int err;
@@ -1433,8 +1432,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,

     /* APM is not supported under RoCE */
     if (attr_mask & IB_QP_ALT_PATH &&
-        rdma_port_get_link_layer(&dev->ib_dev, qp->port) ==
-        IB_LINK_LAYER_ETHERNET)
+        rdma_port_ll_is_eth(&dev->ib_dev, qp->port))
         return -ENOTSUPP;

     context = kzalloc(sizeof *context, GFP_KERNEL);
@@ -1664,8 +1662,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
                 context->pri_path.fl = 0x80;
             context->pri_path.sched_queue |= MLX4_IB_DEFAULT_SCHED_QUEUE;
         }
-        if (rdma_port_get_link_layer(&dev->ib_dev, qp->port) ==
-            IB_LINK_LAYER_ETHERNET) {
+        if (rdma_port_ll_is_eth(&dev->ib_dev, qp->port)) {
             if (qp->mlx4_ib_qp_type == MLX4_IB_QPT_TUN_GSI ||
                 qp->mlx4_ib_qp_type == MLX4_IB_QPT_GSI)
                 context->pri_path.feup = 1 << 7; /* don't fsm */
@@ -1695,9 +1692,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
     }

     if (ibqp->qp_type == IB_QPT_UD && (new_state == IB_QPS_RTR)) {
-        int is_eth = rdma_port_get_link_layer(
-                &dev->ib_dev, qp->port) ==
-                IB_LINK_LAYER_ETHERNET;
+        int is_eth = rdma_port_ll_is_eth(&dev->ib_dev, qp->port);
         if (is_eth) {
             context->pri_path.ackto = MLX4_IB_LINK_TYPE_ETH;
             optpar |= MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH;
@@ -1927,8 +1922,7 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
     }

     if ((attr_mask & IB_QP_PORT) && (ibqp->qp_type == IB_QPT_RAW_PACKET) &&
-        (rdma_port_get_link_layer(&dev->ib_dev, attr->port_num) !=
-         IB_LINK_LAYER_ETHERNET))
+        !rdma_port_ll_is_eth(&dev->ib_dev, attr->port_num))
         goto out;

     if (attr_mask & IB_QP_PKEY_INDEX) {
@@ -2132,7 +2126,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
     for (i = 0; i < wr->num_sge; ++i)
         send_size += wr->sg_list[i].length;

-    is_eth = rdma_port_get_link_layer(sqp->qp.ibqp.device, sqp->qp.port) == IB_LINK_LAYER_ETHERNET;
+    is_eth = rdma_port_ll_is_eth(sqp->qp.ibqp.device, sqp->qp.port);
     is_grh = mlx4_ib_ah_grh_present(ah);
     if (is_eth) {
         if (mlx4_is_mfunc(to_mdev(ib_dev)->dev)) {
@@ -3029,8 +3023,7 @@ static void to_ib_ah_attr(struct mlx4_ib_dev *ibdev, struct ib_ah_attr *ib_ah_at
     if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->caps.num_ports)
         return;

-    is_eth = rdma_port_get_link_layer(&ibdev->ib_dev, ib_ah_attr->port_num) ==
-        IB_LINK_LAYER_ETHERNET;
+    is_eth = rdma_port_ll_is_eth(&ibdev->ib_dev, ib_ah_attr->port_num);
     if (is_eth)
         ib_ah_attr->sl = ((path->sched_queue >> 3) & 0x7) |
         ((path->sched_queue & 4) << 1);
diff --git a/drivers/infiniband/hw/mlx4/sysfs.c b/drivers/infiniband/hw/mlx4/sysfs.c
index cb4c66e..d339b55 100644
--- a/drivers/infiniband/hw/mlx4/sysfs.c
+++ b/drivers/infiniband/hw/mlx4/sysfs.c
@@ -610,8 +610,7 @@ static ssize_t sysfs_store_enable_smi_admin(struct device *dev,

 static int add_vf_smi_entries(struct mlx4_port *p)
 {
-    int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
-            IB_LINK_LAYER_ETHERNET;
+    int is_eth = rdma_port_ll_is_eth(&p->dev->ib_dev, p->port_num);
     int ret;

     /* do not display entries if eth transport, or if master */
@@ -645,8 +644,7 @@ static int add_vf_smi_entries(struct mlx4_port *p)

 static void remove_vf_smi_entries(struct mlx4_port *p)
 {
-    int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
-            IB_LINK_LAYER_ETHERNET;
+    int is_eth = rdma_port_ll_is_eth(&p->dev->ib_dev, p->port_num);

     if (is_eth || p->slave == mlx4_master_func_num(p->dev->dev))
         return;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 58b5aa3..3341754 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1655,7 +1655,7 @@ static void ipoib_add_one(struct ib_device *device)
     struct ipoib_dev_priv *priv;
     int s, e, p;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
@@ -1673,7 +1673,7 @@ static void ipoib_add_one(struct ib_device *device)
     }

     for (p = s; p <= e; ++p) {
-        if (rdma_port_get_link_layer(device, p) != IB_LINK_LAYER_INFINIBAND)
+        if (!rdma_port_ll_is_ib(device, p))
             continue;
         dev = ipoib_add_port("ib%d", device, p);
         if (!IS_ERR(dev)) {
@@ -1690,7 +1690,7 @@ static void ipoib_remove_one(struct ib_device *device)
     struct ipoib_dev_priv *priv, *tmp;
     struct list_head *dev_list;

-    if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+    if (!rdma_transport_is_ib(device))
         return;

     dev_list = ib_get_client_data(device, &ipoib_client);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 65994a1..2bf9094 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1743,6 +1743,30 @@ int ib_query_port(struct ib_device *device,
 enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
                            u8 port_num);

+static inline int rdma_transport_is_ib(struct ib_device *device)
+{
+    return rdma_node_get_transport(device->node_type)
+            == RDMA_TRANSPORT_IB;
+}
+
+static inline int rdma_transport_is_iwarp(struct ib_device *device)
+{
+    return rdma_node_get_transport(device->node_type)
+            == RDMA_TRANSPORT_IWARP;
+}
+
+static inline int rdma_port_ll_is_ib(struct ib_device *device, u8 port_num)
+{
+    return rdma_port_get_link_layer(device, port_num)
+            == IB_LINK_LAYER_INFINIBAND;
+}
+
+static inline int rdma_port_ll_is_eth(struct ib_device *device, u8 port_num)
+{
+    return rdma_port_get_link_layer(device, port_num)
+            == IB_LINK_LAYER_ETHERNET;
+}
+
 int ib_query_gid(struct ib_device *device,
          u8 port_num, int index, union ib_gid *gid);

diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index e011027..a7b5891 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -118,8 +118,7 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,

 static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
 {
-    if (rdma_node_get_transport(xprt->sc_cm_id->device->node_type) ==
-         RDMA_TRANSPORT_IWARP)
+    if (rdma_transport_is_iwarp(xprt->sc_cm_id->device))
         return 1;
     else
         return min_t(int, sge_count, xprt->sc_max_sge);
