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85 lines
2.5 KiB
85 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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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 <[email protected]> |
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* Inaky Perez-Gonzalez <[email protected]> |
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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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#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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#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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void __wimax_state_change(struct wimax_dev *, enum wimax_st); |
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#ifdef CONFIG_DEBUG_FS |
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void wimax_debugfs_add(struct wimax_dev *); |
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void wimax_debugfs_rm(struct wimax_dev *); |
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#else |
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static inline void wimax_debugfs_add(struct wimax_dev *wimax_dev) {} |
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static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {} |
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#endif |
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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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int wimax_rfkill_add(struct wimax_dev *); |
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void wimax_rfkill_rm(struct wimax_dev *); |
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/* generic netlink */ |
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extern struct genl_family wimax_gnl_family; |
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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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#endif /* #ifdef __KERNEL__ */ |
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#endif /* #ifndef __WIMAX_INTERNAL_H__ */
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