diff options
-rw-r--r-- | net/wimax/wimax-internal.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/net/wimax/wimax-internal.h b/net/wimax/wimax-internal.h new file mode 100644 index 000000000000..1e743d214856 --- /dev/null +++ b/net/wimax/wimax-internal.h | |||
@@ -0,0 +1,91 @@ | |||
1 | /* | ||
2 | * Linux WiMAX | ||
3 | * Internal API for kernel space WiMAX stack | ||
4 | * | ||
5 | * | ||
6 | * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com> | ||
7 | * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License version | ||
11 | * 2 as published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
21 | * 02110-1301, USA. | ||
22 | * | ||
23 | * | ||
24 | * This header file is for declarations and definitions internal to | ||
25 | * the WiMAX stack. For public APIs and documentation, see | ||
26 | * include/net/wimax.h and include/linux/wimax.h. | ||
27 | */ | ||
28 | |||
29 | #ifndef __WIMAX_INTERNAL_H__ | ||
30 | #define __WIMAX_INTERNAL_H__ | ||
31 | #ifdef __KERNEL__ | ||
32 | |||
33 | #include <linux/device.h> | ||
34 | #include <net/wimax.h> | ||
35 | |||
36 | |||
37 | /* | ||
38 | * Decide if a (locked) device is ready for use | ||
39 | * | ||
40 | * Before using the device structure, it must be locked | ||
41 | * (wimax_dev->mutex). As well, most operations need to call this | ||
42 | * function to check if the state is the right one. | ||
43 | * | ||
44 | * An error value will be returned if the state is not the right | ||
45 | * one. In that case, the caller should not attempt to use the device | ||
46 | * and just unlock it. | ||
47 | */ | ||
48 | static inline __must_check | ||
49 | int wimax_dev_is_ready(struct wimax_dev *wimax_dev) | ||
50 | { | ||
51 | if (wimax_dev->state == __WIMAX_ST_NULL) | ||
52 | return -EINVAL; /* Device is not even registered! */ | ||
53 | if (wimax_dev->state == WIMAX_ST_DOWN) | ||
54 | return -ENOMEDIUM; | ||
55 | if (wimax_dev->state == __WIMAX_ST_QUIESCING) | ||
56 | return -ESHUTDOWN; | ||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | |||
61 | static inline | ||
62 | void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state) | ||
63 | { | ||
64 | wimax_dev->state = state; | ||
65 | } | ||
66 | extern void __wimax_state_change(struct wimax_dev *, enum wimax_st); | ||
67 | |||
68 | #ifdef CONFIG_DEBUG_FS | ||
69 | extern int wimax_debugfs_add(struct wimax_dev *); | ||
70 | extern void wimax_debugfs_rm(struct wimax_dev *); | ||
71 | #else | ||
72 | static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev) | ||
73 | { | ||
74 | return 0; | ||
75 | } | ||
76 | static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {} | ||
77 | #endif | ||
78 | |||
79 | extern void wimax_id_table_add(struct wimax_dev *); | ||
80 | extern struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int); | ||
81 | extern void wimax_id_table_rm(struct wimax_dev *); | ||
82 | extern void wimax_id_table_release(void); | ||
83 | |||
84 | extern int wimax_rfkill_add(struct wimax_dev *); | ||
85 | extern void wimax_rfkill_rm(struct wimax_dev *); | ||
86 | |||
87 | extern struct genl_family wimax_gnl_family; | ||
88 | extern struct genl_multicast_group wimax_gnl_mcg; | ||
89 | |||
90 | #endif /* #ifdef __KERNEL__ */ | ||
91 | #endif /* #ifndef __WIMAX_INTERNAL_H__ */ | ||