Add swconfig from openwrt

include/linux/switch.h

+/*
+ * switch.h: Switch configuration API
+ *
+ * Copyright (C) 2008 Felix Fietkau <nbd@nbd.name>
+ *
+ * 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 <net/genetlink.h>
+#include <uapi/linux/switch.h>
+
+struct switch_dev;
+struct switch_op;
+struct switch_val;
+struct switch_attr;
+struct switch_attrlist;
+struct switch_led_trigger;
+
+int register_switch(struct switch_dev *dev, struct net_device *netdev);
+void unregister_switch(struct switch_dev *dev);
+
+/**
+ * struct switch_attrlist - attribute list
+ *
+ * @n_attr: number of attributes
+ * @attr: pointer to the attributes array
+ */
+struct switch_attrlist {
+	int n_attr;
+	const struct switch_attr *attr;
+};
+
+enum switch_port_speed {
+	SWITCH_PORT_SPEED_UNKNOWN = 0,
+	SWITCH_PORT_SPEED_10 = 10,
+	SWITCH_PORT_SPEED_100 = 100,
+	SWITCH_PORT_SPEED_1000 = 1000,
+};
+
+struct switch_port_link {
+	bool link;
+	bool duplex;
+	bool aneg;
+	bool tx_flow;
+	bool rx_flow;
+	enum switch_port_speed speed;
+	/* in ethtool adv_t format */
+	u32 eee;
+};
+
+struct switch_port_stats {
+	unsigned long tx_bytes;
+	unsigned long rx_bytes;
+};
+
+/**
+ * struct switch_dev_ops - switch driver operations
+ *
+ * @attr_global: global switch attribute list
+ * @attr_port: port attribute list
+ * @attr_vlan: vlan attribute list
+ *
+ * Callbacks:
+ *
+ * @get_vlan_ports: read the port list of a VLAN
+ * @set_vlan_ports: set the port list of a VLAN
+ *
+ * @get_port_pvid: get the primary VLAN ID of a port
+ * @set_port_pvid: set the primary VLAN ID of a port
+ *
+ * @apply_config: apply all changed settings to the switch
+ * @reset_switch: resetting the switch
+ */
+struct switch_dev_ops {
+	struct switch_attrlist attr_global, attr_port, attr_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 (*get_port_pvid)(struct switch_dev *dev, int port, int *val);
+	int (*set_port_pvid)(struct switch_dev *dev, int port, int val);
+
+	int (*apply_config)(struct switch_dev *dev);
+	int (*reset_switch)(struct switch_dev *dev);
+
+	int (*get_port_link)(struct switch_dev *dev, int port,
+			     struct switch_port_link *link);
+	int (*set_port_link)(struct switch_dev *dev, int port,
+			     struct switch_port_link *link);
+	int (*get_port_stats)(struct switch_dev *dev, int port,
+			      struct switch_port_stats *stats);
+
+	int (*phy_read16)(struct switch_dev *dev, int addr, u8 reg, u16 *value);
+	int (*phy_write16)(struct switch_dev *dev, int addr, u8 reg, u16 value);
+};
+
+struct switch_dev {
+	struct device_node *of_node;
+	const struct switch_dev_ops *ops;
+	/* will be automatically filled */
+	char devname[IFNAMSIZ];
+
+	const char *name;
+	/* NB: either alias or netdev must be set */
+	const char *alias;
+	struct net_device *netdev;
+
+	int ports;
+	int vlans;
+	int cpu_port;
+
+	/* the following fields are internal for swconfig */
+	int id;
+	struct list_head dev_list;
+	unsigned long def_global, def_port, def_vlan;
+
+	struct mutex sw_mutex;
+	struct switch_port *portbuf;
+	struct switch_portmap *portmap;
+	struct switch_port_link linkbuf;
+
+	char buf[128];
+
+#ifdef CONFIG_SWCONFIG_LEDS
+	struct switch_led_trigger *led_trigger;
+#endif
+};
+
+struct switch_port {
+	u32 id;
+	u32 flags;
+};
+
+struct switch_portmap {
+	u32 virt;
+	const char *s;
+};
+
+struct switch_val {
+	const struct switch_attr *attr;
+	int port_vlan;
+	int len;
+	union {
+		const char *s;
+		u32 i;
+		struct switch_port *ports;
+		struct switch_port_link *link;
+	} value;
+};
+
+struct switch_attr {
+	int disabled;
+	int type;
+	const char *name;
+	const char *description;
+
+	int (*set)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
+	int (*get)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
+
+	/* for driver internal use */
+	int id;
+	int ofs;
+	int max;
+};
+
+int switch_generic_set_link(struct switch_dev *dev, int port,
+			    struct switch_port_link *link);
+
+#endif /* _LINUX_SWITCH_H */

include/uapi/linux/switch.h

+/*
+ * switch.h: Switch configuration API
+ *
+ * Copyright (C) 2008 Felix Fietkau <nbd@nbd.name>
+ *
+ * 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 _UAPI_LINUX_SWITCH_H
+#define _UAPI_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>
+#endif
+
+/* main attributes */
+enum {
+	SWITCH_ATTR_UNSPEC,
+	/* global */
+	SWITCH_ATTR_TYPE,
+	/* device */
+	SWITCH_ATTR_ID,
+	SWITCH_ATTR_DEV_NAME,
+	SWITCH_ATTR_ALIAS,
+	SWITCH_ATTR_NAME,
+	SWITCH_ATTR_VLANS,
+	SWITCH_ATTR_PORTS,
+	SWITCH_ATTR_PORTMAP,
+	SWITCH_ATTR_CPU_PORT,
+	/* 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_VALUE_LINK,
+	SWITCH_ATTR_OP_DESCRIPTION,
+	/* port lists */
+	SWITCH_ATTR_PORT,
+	SWITCH_ATTR_MAX
+};
+
+enum {
+	/* port map */
+	SWITCH_PORTMAP_PORTS,
+	SWITCH_PORTMAP_SEGMENT,
+	SWITCH_PORTMAP_VIRT,
+	SWITCH_PORTMAP_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_LINK,
+	SWITCH_TYPE_NOVAL,
+};
+
+/* port nested attributes */
+enum {
+	SWITCH_PORT_UNSPEC,
+	SWITCH_PORT_ID,
+	SWITCH_PORT_FLAG_TAGGED,
+	SWITCH_PORT_ATTR_MAX
+};
+
+/* link nested attributes */
+enum {
+	SWITCH_LINK_UNSPEC,
+	SWITCH_LINK_FLAG_LINK,
+	SWITCH_LINK_FLAG_DUPLEX,
+	SWITCH_LINK_FLAG_ANEG,
+	SWITCH_LINK_FLAG_TX_FLOW,
+	SWITCH_LINK_FLAG_RX_FLOW,
+	SWITCH_LINK_SPEED,
+	SWITCH_LINK_FLAG_EEE_100BASET,
+	SWITCH_LINK_FLAG_EEE_1000BASET,
+	SWITCH_LINK_ATTR_MAX,
+};
+
+#define SWITCH_ATTR_DEFAULTS_OFFSET	0x1000
+
+
+#endif /* _UAPI_LINUX_SWITCH_H */