92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
|
|
* Linux WiMAX
|
|
* Internal API for kernel space WiMAX stack
|
|
*
|
|
*
|
|
* Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
|
|
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version
|
|
* 2 as published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*
|
|
*
|
|
* This header file is for declarations and definitions internal to
|
|
* the WiMAX stack. For public APIs and documentation, see
|
|
* include/net/wimax.h and include/linux/wimax.h.
|
|
*/
|
|
|
|
#ifndef __WIMAX_INTERNAL_H__
|
|
#define __WIMAX_INTERNAL_H__
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/device.h>
|
|
#include <net/wimax.h>
|
|
|
|
|
|
/*
|
|
* Decide if a (locked) device is ready for use
|
|
*
|
|
* Before using the device structure, it must be locked
|
|
* (wimax_dev->mutex). As well, most operations need to call this
|
|
* function to check if the state is the right one.
|
|
*
|
|
* An error value will be returned if the state is not the right
|
|
* one. In that case, the caller should not attempt to use the device
|
|
* and just unlock it.
|
|
*/
|
|
static inline __must_check
|
|
int wimax_dev_is_ready(struct wimax_dev *wimax_dev)
|
|
{
|
|
if (wimax_dev->state == __WIMAX_ST_NULL)
|
|
return -EINVAL; /* Device is not even registered! */
|
|
if (wimax_dev->state == WIMAX_ST_DOWN)
|
|
return -ENOMEDIUM;
|
|
if (wimax_dev->state == __WIMAX_ST_QUIESCING)
|
|
return -ESHUTDOWN;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static inline
|
|
void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state)
|
|
{
|
|
wimax_dev->state = state;
|
|
}
|
|
extern void __wimax_state_change(struct wimax_dev *, enum wimax_st);
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
extern int wimax_debugfs_add(struct wimax_dev *);
|
|
extern void wimax_debugfs_rm(struct wimax_dev *);
|
|
#else
|
|
static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {}
|
|
#endif
|
|
|
|
extern void wimax_id_table_add(struct wimax_dev *);
|
|
extern struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int);
|
|
extern void wimax_id_table_rm(struct wimax_dev *);
|
|
extern void wimax_id_table_release(void);
|
|
|
|
extern int wimax_rfkill_add(struct wimax_dev *);
|
|
extern void wimax_rfkill_rm(struct wimax_dev *);
|
|
|
|
extern struct genl_family wimax_gnl_family;
|
|
extern struct genl_multicast_group wimax_gnl_mcg;
|
|
|
|
#endif /* #ifdef __KERNEL__ */
|
|
#endif /* #ifndef __WIMAX_INTERNAL_H__ */
|