X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Frdma%2Fib_verbs.h;h=a6bb7eb8d7edb9efa0402c23b91d6fb875f9c75b;hb=HEAD;hp=bf5daafe8ecc09ca4d846906ed76c6599cdd1a53;hpb=32aaeffbd4a7457bf2f7448b33b5946ff2a960eb;p=pandora-kernel.git

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index bf5daafe8ecc..a6bb7eb8d7ed 100644
--- 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);