diff --git a/[refs] b/[refs]
index b8fc9265c79f..30fb89e0ecc0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 625fbd3a36d836efaaee4b6d9c2fcd25e3654624
+refs/heads/master: a3f5adaf491490089215f863a61b9422fae902f8
diff --git a/trunk/drivers/infiniband/core/verbs.c b/trunk/drivers/infiniband/core/verbs.c
index e0fa22238715..af7a8b08b2e9 100644
--- a/trunk/drivers/infiniband/core/verbs.c
+++ b/trunk/drivers/infiniband/core/verbs.c
@@ -94,6 +94,22 @@ rdma_node_get_transport(enum rdma_node_type node_type)
 }
 EXPORT_SYMBOL(rdma_node_get_transport);
 
+enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num)
+{
+	if (device->get_link_layer)
+		return device->get_link_layer(device, port_num);
+
+	switch (rdma_node_get_transport(device->node_type)) {
+	case RDMA_TRANSPORT_IB:
+		return IB_LINK_LAYER_INFINIBAND;
+	case RDMA_TRANSPORT_IWARP:
+		return IB_LINK_LAYER_ETHERNET;
+	default:
+		return IB_LINK_LAYER_UNSPECIFIED;
+	}
+}
+EXPORT_SYMBOL(rdma_port_get_link_layer);
+
 /* Protection domains */
 
 struct ib_pd *ib_alloc_pd(struct ib_device *device)
diff --git a/trunk/drivers/infiniband/hw/ehca/ehca_mrmw.c b/trunk/drivers/infiniband/hw/ehca/ehca_mrmw.c
index 43cae84005f0..53f4cd4fc19a 100644
--- a/trunk/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/trunk/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -171,7 +171,7 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
 		}
 
 		ret = ehca_reg_maxmr(shca, e_maxmr,
-				     (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)),
+				     (void *)ehca_map_vaddr((void *)KERNELBASE),
 				     mr_access_flags, e_pd,
 				     &e_maxmr->ib.ib_mr.lkey,
 				     &e_maxmr->ib.ib_mr.rkey);
@@ -1636,7 +1636,7 @@ int ehca_reg_internal_maxmr(
 
 	/* register internal max-MR on HCA */
 	size_maxmr = ehca_mr_len;
-	iova_start = (u64 *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START));
+	iova_start = (u64 *)ehca_map_vaddr((void *)KERNELBASE);
 	ib_pbuf.addr = 0;
 	ib_pbuf.size = size_maxmr;
 	num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr,
@@ -2209,7 +2209,7 @@ int ehca_mr_is_maxmr(u64 size,
 {
 	/* a MR is treated as max-MR only if it fits following: */
 	if ((size == ehca_mr_len) &&
-	    (iova_start == (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)))) {
+	    (iova_start == (void *)ehca_map_vaddr((void *)KERNELBASE))) {
 		ehca_gen_dbg("this is a max-MR");
 		return 1;
 	} else
diff --git a/trunk/include/rdma/ib_verbs.h b/trunk/include/rdma/ib_verbs.h
index 857b3b9cf120..e04c4888d1fd 100644
--- a/trunk/include/rdma/ib_verbs.h
+++ b/trunk/include/rdma/ib_verbs.h
@@ -75,6 +75,12 @@ enum rdma_transport_type {
 enum rdma_transport_type
 rdma_node_get_transport(enum rdma_node_type node_type) __attribute_const__;
 
+enum rdma_link_layer {
+	IB_LINK_LAYER_UNSPECIFIED,
+	IB_LINK_LAYER_INFINIBAND,
+	IB_LINK_LAYER_ETHERNET,
+};
+
 enum ib_device_cap_flags {
 	IB_DEVICE_RESIZE_MAX_WR		= 1,
 	IB_DEVICE_BAD_PKEY_CNTR		= (1<<1),
@@ -1010,6 +1016,8 @@ struct ib_device {
 	int		           (*query_port)(struct ib_device *device,
 						 u8 port_num,
 						 struct ib_port_attr *port_attr);
+	enum rdma_link_layer	   (*get_link_layer)(struct ib_device *device,
+						     u8 port_num);
 	int		           (*query_gid)(struct ib_device *device,
 						u8 port_num, int index,
 						union ib_gid *gid);
@@ -1222,6 +1230,9 @@ int ib_query_device(struct ib_device *device,
 int ib_query_port(struct ib_device *device,
 		  u8 port_num, struct ib_port_attr *port_attr);
 
+enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
+					       u8 port_num);
+
 int ib_query_gid(struct ib_device *device,
 		 u8 port_num, int index, union ib_gid *gid);