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/*
* arch/ubicom32/mach-common/switch-core.h
* Private data for the switch module
*
* (C) Copyright 2009, Ubicom, Inc.
*
* This file is part of the Ubicom32 Linux Kernel Port.
*
* The Ubicom32 Linux Kernel Port 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.
*
* The Ubicom32 Linux Kernel Port 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.
*
* You should have received a copy of the GNU General Public License
* along with the Ubicom32 Linux Kernel Port. If not,
* see <http://www.gnu.org/licenses/>.
*
* Ubicom32 implementation derived from (with many thanks):
* arch/m68knommu
* arch/blackfin
* arch/parisc
*/
#ifndef _SWITCH_CORE_H_
#define _SWITCH_CORE_H_
struct switch_handler_entry;
struct switch_vlan_entry;
#define SWITCH_PORT_MASK_SIZE 2
struct switch_device {
struct list_head node;
const char *name;
void *drvdata;
u8_t ports;
struct proc_dir_entry *driver_dir;
const struct switch_handler *driver_handlers;
struct proc_dir_entry *port_dir;
struct proc_dir_entry **port_dirs;
const struct switch_handler *port_handlers;
struct proc_dir_entry *reg_dir;
const struct switch_handler *reg_handlers;
struct proc_dir_entry *vlan_dir;
const struct switch_handler *vlan_handlers;
struct list_head vlan_dirs;
struct list_head handlers;
u32_t port_mask[SWITCH_PORT_MASK_SIZE];
};
typedef int (*switch_handler_fn)(struct switch_device *, char *buf, int nr);
struct switch_handler {
const char *name;
switch_handler_fn read;
switch_handler_fn write;
};
#define SWITCH_MAX_BUFSZ 4096
static inline void switch_set_drvdata(struct switch_device *switch_dev, void *drvdata)
{
switch_dev->drvdata = drvdata;
}
static inline void *switch_get_drvdata(struct switch_device *switch_dev)
{
return switch_dev->drvdata;
}
extern int switch_create_vlan_dir(struct switch_device *switch_dev, int vlan_id, const struct switch_handler *handlers);
extern int switch_remove_vlan_dir(struct switch_device *switch_dev, int vlan_id);
extern void switch_parse_vlan_ports(struct switch_device *switch_dev, char *buf, u32_t *untag, u32_t *ports, u32_t *def);
extern void switch_release(struct switch_device *switch_dev);
extern struct switch_device *switch_alloc(void);
extern int switch_register(struct switch_device *switch_dev);
extern void switch_unregister(struct switch_device *switch_dev);
#endif
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