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173 lines
3.6 KiB
C
173 lines
3.6 KiB
C
/*
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* switch.h: Switch configuration API
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*
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* Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __LINUX_SWITCH_H
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#define __LINUX_SWITCH_H
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/netlink.h>
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#include <linux/genetlink.h>
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#ifndef __KERNEL__
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#include <netlink/netlink.h>
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#include <netlink/genl/genl.h>
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#include <netlink/genl/ctrl.h>
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#else
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#include <net/genetlink.h>
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#endif
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/* main attributes */
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enum {
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SWITCH_ATTR_UNSPEC,
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/* global */
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SWITCH_ATTR_TYPE,
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/* device */
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SWITCH_ATTR_ID,
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SWITCH_ATTR_NAME,
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SWITCH_ATTR_DEV_NAME,
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SWITCH_ATTR_VLANS,
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SWITCH_ATTR_PORTS,
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SWITCH_ATTR_CPU_PORT,
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/* attributes */
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SWITCH_ATTR_OP_ID,
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SWITCH_ATTR_OP_TYPE,
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SWITCH_ATTR_OP_NAME,
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SWITCH_ATTR_OP_PORT,
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SWITCH_ATTR_OP_VLAN,
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SWITCH_ATTR_OP_VALUE_INT,
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SWITCH_ATTR_OP_VALUE_STR,
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SWITCH_ATTR_OP_VALUE_PORTS,
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SWITCH_ATTR_OP_DESCRIPTION,
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/* port lists */
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SWITCH_ATTR_PORT,
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SWITCH_ATTR_MAX
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};
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/* commands */
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enum {
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SWITCH_CMD_UNSPEC,
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SWITCH_CMD_GET_SWITCH,
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SWITCH_CMD_NEW_ATTR,
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SWITCH_CMD_LIST_GLOBAL,
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SWITCH_CMD_GET_GLOBAL,
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SWITCH_CMD_SET_GLOBAL,
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SWITCH_CMD_LIST_PORT,
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SWITCH_CMD_GET_PORT,
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SWITCH_CMD_SET_PORT,
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SWITCH_CMD_LIST_VLAN,
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SWITCH_CMD_GET_VLAN,
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SWITCH_CMD_SET_VLAN
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};
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/* data types */
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enum switch_val_type {
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SWITCH_TYPE_UNSPEC,
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SWITCH_TYPE_INT,
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SWITCH_TYPE_STRING,
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SWITCH_TYPE_PORTS,
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SWITCH_TYPE_NOVAL,
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};
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/* port nested attributes */
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enum {
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SWITCH_PORT_UNSPEC,
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SWITCH_PORT_ID,
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SWITCH_PORT_FLAG_TAGGED,
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SWITCH_PORT_ATTR_MAX
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};
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#define SWITCH_ATTR_DEFAULTS_OFFSET 0x1000
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#ifdef __KERNEL__
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struct switch_dev;
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struct switch_op;
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struct switch_val;
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struct switch_attr;
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struct switch_attrlist;
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int register_switch(struct switch_dev *dev, struct net_device *netdev);
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void unregister_switch(struct switch_dev *dev);
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struct switch_attrlist {
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/* filled in by the driver */
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int n_attr;
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const struct switch_attr *attr;
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};
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struct switch_dev {
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int id;
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void *priv;
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const char *name;
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/* NB: either devname or netdev must be set */
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const char *devname;
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struct net_device *netdev;
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int ports;
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int vlans;
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int cpu_port;
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struct switch_attrlist attr_global, attr_port, attr_vlan;
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spinlock_t lock;
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struct switch_port *portbuf;
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struct list_head dev_list;
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unsigned long def_global, def_port, def_vlan;
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int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
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int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
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int (*get_port_pvid)(struct switch_dev *dev, int port, int *val);
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int (*set_port_pvid)(struct switch_dev *dev, int port, int val);
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int (*apply_config)(struct switch_dev *dev);
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int (*reset_switch)(struct switch_dev *dev);
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};
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struct switch_port {
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u32 id;
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u32 flags;
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};
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struct switch_val {
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const struct switch_attr *attr;
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int port_vlan;
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int len;
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union {
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const char *s;
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u32 i;
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struct switch_port *ports;
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} value;
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};
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struct switch_attr {
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int disabled;
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int type;
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const char *name;
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const char *description;
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int (*set)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
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int (*get)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
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/* for driver internal use */
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int id;
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int ofs;
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int max;
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};
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#endif
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#endif
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