Root/
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__ */ |
92 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9