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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__ */ |