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/*
* 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,
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_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;
const 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 (*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);
};
struct switch_port {
u32 id;
u32 flags;
};
struct switch_val {
const 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, 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;
};
#endif
#endif
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