projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 04672fe6 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 60fa9ca6 IPG |
2 | /* |
| 3 | * Linux WiMAX | |
| 4 | * Internal API for kernel space WiMAX stack | |
| 5 | * | |
| 60fa9ca6 IPG |
6 | * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com> |
| 7 | * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> | |
| 8 | * | |
| 60fa9ca6 IPG |
9 | * This header file is for declarations and definitions internal to |
| 10 | * the WiMAX stack. For public APIs and documentation, see | |
| 11 | * include/net/wimax.h and include/linux/wimax.h. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef __WIMAX_INTERNAL_H__ | |
| 15 | #define __WIMAX_INTERNAL_H__ | |
| 16 | #ifdef __KERNEL__ | |
| 17 | ||
| 28b7deae FF |
18 | #ifdef pr_fmt |
| 19 | #undef pr_fmt | |
| 20 | #endif | |
| 21 | ||
| 22 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| 23 | ||
| 60fa9ca6 IPG |
24 | #include <linux/device.h> |
| 25 | #include <net/wimax.h> | |
| 26 | ||
| 27 | ||
| 28 | /* | |
| 29 | * Decide if a (locked) device is ready for use | |
| 30 | * | |
| 31 | * Before using the device structure, it must be locked | |
| 32 | * (wimax_dev->mutex). As well, most operations need to call this | |
| 33 | * function to check if the state is the right one. | |
| 34 | * | |
| 35 | * An error value will be returned if the state is not the right | |
| 36 | * one. In that case, the caller should not attempt to use the device | |
| 37 | * and just unlock it. | |
| 38 | */ | |
| 39 | static inline __must_check | |
| 40 | int wimax_dev_is_ready(struct wimax_dev *wimax_dev) | |
| 41 | { | |
| 42 | if (wimax_dev->state == __WIMAX_ST_NULL) | |
| 43 | return -EINVAL; /* Device is not even registered! */ | |
| 44 | if (wimax_dev->state == WIMAX_ST_DOWN) | |
| 45 | return -ENOMEDIUM; | |
| 46 | if (wimax_dev->state == __WIMAX_ST_QUIESCING) | |
| 47 | return -ESHUTDOWN; | |
| 48 | return 0; | |
| 49 | } | |
| 50 | ||
| 51 | ||
| 52 | static inline | |
| 53 | void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state) | |
| 54 | { | |
| 55 | wimax_dev->state = state; | |
| 56 | } | |
| c1b1203d | 57 | void __wimax_state_change(struct wimax_dev *, enum wimax_st); |
| 60fa9ca6 IPG |
58 | |
| 59 | #ifdef CONFIG_DEBUG_FS | |
| c1b1203d JP |
60 | int wimax_debugfs_add(struct wimax_dev *); |
| 61 | void wimax_debugfs_rm(struct wimax_dev *); | |
| 60fa9ca6 IPG |
62 | #else |
| 63 | static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev) | |
| 64 | { | |
| 65 | return 0; | |
| 66 | } | |
| 67 | static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {} | |
| 68 | #endif | |
| 69 | ||
| c1b1203d JP |
70 | void wimax_id_table_add(struct wimax_dev *); |
| 71 | struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int); | |
| 72 | void wimax_id_table_rm(struct wimax_dev *); | |
| 73 | void wimax_id_table_release(void); | |
| 60fa9ca6 | 74 | |
| c1b1203d JP |
75 | int wimax_rfkill_add(struct wimax_dev *); |
| 76 | void wimax_rfkill_rm(struct wimax_dev *); | |
| 60fa9ca6 | 77 | |
| b61a5eea | 78 | /* generic netlink */ |
| 60fa9ca6 | 79 | extern struct genl_family wimax_gnl_family; |
| 60fa9ca6 | 80 | |
| b61a5eea JB |
81 | /* ops */ |
| 82 | int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info); | |
| 83 | int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info); | |
| 84 | int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info); | |
| 85 | int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info); | |
| 86 | ||
| 60fa9ca6 IPG |
87 | #endif /* #ifdef __KERNEL__ */ |
| 88 | #endif /* #ifndef __WIMAX_INTERNAL_H__ */ |