add new switch configuration api

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13009 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 168 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/files-2.6.27/include/linux/switch.h b/target/linux/generic-2.6/files-2.6.27/include/linux/switch.h
new file mode 100644
index 000000000..9411e84bc
--- /dev/null
+++ b/target/linux/generic-2.6/files-2.6.27/include/linux/switch.h
@@ -0,0 +1,168 @@
+/*
+ * switch.h: Switch configuration API
+ *
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __LINUX_SWITCH_H
+#define __LINUX_SWITCH_H
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/genetlink.h>
+#ifndef __KERNEL__
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#else
+#include <net/genetlink.h>
+#endif
+
+/* main attributes */
+enum {
+	SWITCH_ATTR_UNSPEC,
+	/* global */
+	SWITCH_ATTR_TYPE,
+	/* device */
+	SWITCH_ATTR_ID,
+	SWITCH_ATTR_NAME,
+	SWITCH_ATTR_DEV_NAME,
+	SWITCH_ATTR_VLANS,
+	SWITCH_ATTR_PORTS,
+	/* attributes */
+	SWITCH_ATTR_OP_ID,
+	SWITCH_ATTR_OP_TYPE,
+	SWITCH_ATTR_OP_NAME,
+	SWITCH_ATTR_OP_PORT,
+	SWITCH_ATTR_OP_VLAN,
+	SWITCH_ATTR_OP_VALUE_INT,
+	SWITCH_ATTR_OP_VALUE_STR,
+	SWITCH_ATTR_OP_VALUE_PORTS,
+	SWITCH_ATTR_OP_DESCRIPTION,
+	/* port lists */
+	SWITCH_ATTR_PORT,
+	SWITCH_ATTR_MAX
+};
+
+/* commands */
+enum {
+	SWITCH_CMD_UNSPEC,
+	SWITCH_CMD_GET_SWITCH,
+	SWITCH_CMD_NEW_ATTR,
+	SWITCH_CMD_LIST_GLOBAL,
+	SWITCH_CMD_GET_GLOBAL,
+	SWITCH_CMD_SET_GLOBAL,
+	SWITCH_CMD_LIST_PORT,
+	SWITCH_CMD_GET_PORT,
+	SWITCH_CMD_SET_PORT,
+	SWITCH_CMD_LIST_VLAN,
+	SWITCH_CMD_GET_VLAN,
+	SWITCH_CMD_SET_VLAN
+};
+
+/* data types */
+enum switch_val_type {
+	SWITCH_TYPE_UNSPEC,
+	SWITCH_TYPE_INT,
+	SWITCH_TYPE_STRING,
+	SWITCH_TYPE_PORTS,
+	SWITCH_TYPE_NOVAL,
+};
+
+/* port nested attributes */
+enum {
+	SWITCH_PORT_UNSPEC,
+	SWITCH_PORT_ID,
+	SWITCH_PORT_FLAG_TAGGED,
+	SWITCH_PORT_ATTR_MAX
+};
+
+#define SWITCH_ATTR_DEFAULTS_OFFSET	0x1000
+
+#ifdef __KERNEL__
+
+struct switch_dev;
+struct switch_op;
+struct switch_val;
+struct switch_attr;
+struct switch_attrlist;
+
+int register_switch(struct switch_dev *dev, struct net_device *netdev);
+void unregister_switch(struct switch_dev *dev);
+
+struct switch_attrlist {
+	/* filled in by the driver */
+	int n_attr;
+	struct switch_attr *attr;
+};
+
+
+struct switch_dev {
+	int id;
+	void *priv;
+	const char *name;
+
+	/* NB: either devname or netdev must be set */
+	const char *devname;
+	struct net_device *netdev;
+
+	int ports;
+	int vlans;
+	int cpu_port;
+	struct switch_attrlist attr_global, attr_port, attr_vlan;
+
+	spinlock_t lock;
+	struct switch_port *portbuf;
+	struct list_head dev_list;
+	unsigned long def_global, def_port, def_vlan;
+
+	int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
+	int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
+	int (*apply_config)(struct switch_dev *dev);
+};
+
+struct switch_port {
+	u32 id;
+	u32 flags;
+};
+
+struct switch_val {
+	struct switch_attr *attr;
+	int port_vlan;
+	int len;
+	union {
+		const char *s;
+		u32 i;
+		struct switch_port *ports;
+	} value;
+};
+
+struct switch_attr {
+	int disabled;
+	int type;
+	const char *name;
+	const char *description;
+
+	int (*set)(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val);
+	int (*get)(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val);
+
+	/* for driver internal use */
+	int id;
+	int ofs;
+	int max;
+};
+
+#endif
+
+#endif