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net/wimax/wimax-internal.h
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/*
* 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__
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#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;
}
void __wimax_state_change(struct wimax_dev *, enum wimax_st);
#ifdef CONFIG_DEBUG_FS
int wimax_debugfs_add(struct wimax_dev *);
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
void wimax_id_table_add(struct wimax_dev *);
struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int);
void wimax_id_table_rm(struct wimax_dev *);
void wimax_id_table_release(void);
int wimax_rfkill_add(struct wimax_dev *);
void wimax_rfkill_rm(struct wimax_dev *);
/* generic netlink */
extern struct genl_family wimax_gnl_family;
/* ops */
int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info);
int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info);
#endif /* #ifdef __KERNEL__ */
#endif /* #ifndef __WIMAX_INTERNAL_H__ */
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