2019-05-29 21:12:42 +07:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2008-12-21 07:57:34 +07:00
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/*
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* Linux WiMAX
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* Internal API for kernel space WiMAX stack
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*
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* Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
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* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
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*
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* This header file is for declarations and definitions internal to
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* the WiMAX stack. For public APIs and documentation, see
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* include/net/wimax.h and include/linux/wimax.h.
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*/
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#ifndef __WIMAX_INTERNAL_H__
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#define __WIMAX_INTERNAL_H__
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#ifdef __KERNEL__
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2014-10-08 03:12:03 +07:00
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#ifdef pr_fmt
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#undef pr_fmt
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#endif
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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2008-12-21 07:57:34 +07:00
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#include <linux/device.h>
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#include <net/wimax.h>
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/*
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* Decide if a (locked) device is ready for use
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*
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* Before using the device structure, it must be locked
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* (wimax_dev->mutex). As well, most operations need to call this
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* function to check if the state is the right one.
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*
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* An error value will be returned if the state is not the right
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* one. In that case, the caller should not attempt to use the device
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* and just unlock it.
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*/
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static inline __must_check
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int wimax_dev_is_ready(struct wimax_dev *wimax_dev)
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{
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if (wimax_dev->state == __WIMAX_ST_NULL)
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return -EINVAL; /* Device is not even registered! */
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if (wimax_dev->state == WIMAX_ST_DOWN)
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return -ENOMEDIUM;
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if (wimax_dev->state == __WIMAX_ST_QUIESCING)
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return -ESHUTDOWN;
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return 0;
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}
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static inline
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void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state)
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{
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wimax_dev->state = state;
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}
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2013-10-19 03:48:25 +07:00
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void __wimax_state_change(struct wimax_dev *, enum wimax_st);
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2008-12-21 07:57:34 +07:00
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#ifdef CONFIG_DEBUG_FS
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2013-10-19 03:48:25 +07:00
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int wimax_debugfs_add(struct wimax_dev *);
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void wimax_debugfs_rm(struct wimax_dev *);
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2008-12-21 07:57:34 +07:00
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#else
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static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev)
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{
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return 0;
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}
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static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {}
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#endif
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2013-10-19 03:48:25 +07:00
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void wimax_id_table_add(struct wimax_dev *);
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struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int);
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void wimax_id_table_rm(struct wimax_dev *);
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void wimax_id_table_release(void);
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2008-12-21 07:57:34 +07:00
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2013-10-19 03:48:25 +07:00
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int wimax_rfkill_add(struct wimax_dev *);
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void wimax_rfkill_rm(struct wimax_dev *);
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2008-12-21 07:57:34 +07:00
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2013-11-14 23:14:42 +07:00
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/* generic netlink */
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2008-12-21 07:57:34 +07:00
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extern struct genl_family wimax_gnl_family;
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2013-11-14 23:14:42 +07:00
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/* ops */
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int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info);
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int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info);
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int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info);
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int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info);
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2008-12-21 07:57:34 +07:00
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#endif /* #ifdef __KERNEL__ */
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#endif /* #ifndef __WIMAX_INTERNAL_H__ */
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