Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / include / rdma / ib_verbs.h

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index bf5daaf..a6bb7eb 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1308,6 +1308,40 @@ int ib_query_port(struct ib_device *device,
 enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
                                               u8 port_num);
 
+/**
+ * rdma_start_port - Return the first valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return start port number
+ */
+static inline u8 rdma_start_port(const struct ib_device *device)
+{
+       return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
+}
+
+/**
+ * rdma_end_port - Return the last valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return last port number
+ */
+static inline u8 rdma_end_port(const struct ib_device *device)
+{
+       return (device->node_type == RDMA_NODE_IB_SWITCH) ?
+               0 : device->phys_port_cnt;
+}
+
+static inline int rdma_is_port_valid(const struct ib_device *device,
+                                    unsigned int port)
+{
+       return (port >= rdma_start_port(device) &&
+               port <= rdma_end_port(device));
+}
+
 int ib_query_gid(struct ib_device *device,
                 u8 port_num, int index, union ib_gid *gid);