1 files changed, 61 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
new file mode 100644
index 00000000..839f768f
--- /dev/null
+++ b/include/net/dsa.h
@@ -0,0 +1,61 @@
+/*
+ * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips
+ * Copyright (c) 2008-2009 Marvell Semiconductor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_NET_DSA_H
+#define __LINUX_NET_DSA_H
+
+#define DSA_MAX_SWITCHES	4
+#define DSA_MAX_PORTS		12
+
+struct dsa_chip_data {
+	/*
+	 * How to access the switch configuration registers.
+	 */
+	struct device	*mii_bus;
+	int		sw_addr;
+
+	/*
+	 * The names of the switch's ports.  Use "cpu" to
+	 * designate the switch port that the cpu is connected to,
+	 * "dsa" to indicate that this port is a DSA link to
+	 * another switch, NULL to indicate the port is unused,
+	 * or any other string to indicate this is a physical port.
+	 */
+	char		*port_names[DSA_MAX_PORTS];
+
+	/*
+	 * An array (with nr_chips elements) of which element [a]
+	 * indicates which port on this switch should be used to
+	 * send packets to that are destined for switch a.  Can be
+	 * NULL if there is only one switch chip.
+	 */
+	s8		*rtable;
+};
+
+struct dsa_platform_data {
+	/*
+	 * Reference to a Linux network interface that connects
+	 * to the root switch chip of the tree.
+	 */
+	struct device	*netdev;
+
+	/*
+	 * Info structs describing each of the switch chips
+	 * connected via this network interface.
+	 */
+	int		nr_chips;
+	struct dsa_chip_data	*chip;
+};
+
+extern bool dsa_uses_dsa_tags(void *dsa_ptr);
+extern bool dsa_uses_trailer_tags(void *dsa_ptr);
+
+
+#endif