1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Linux WiMAX
4*4882a593Smuzhiyun * Internal API for kernel space WiMAX stack
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
7*4882a593Smuzhiyun * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * This header file is for declarations and definitions internal to
10*4882a593Smuzhiyun * the WiMAX stack. For public APIs and documentation, see
11*4882a593Smuzhiyun * include/net/wimax.h and include/linux/wimax.h.
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #ifndef __WIMAX_INTERNAL_H__
15*4882a593Smuzhiyun #define __WIMAX_INTERNAL_H__
16*4882a593Smuzhiyun #ifdef __KERNEL__
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #ifdef pr_fmt
19*4882a593Smuzhiyun #undef pr_fmt
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include <linux/device.h>
25*4882a593Smuzhiyun #include <net/wimax.h>
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /*
29*4882a593Smuzhiyun * Decide if a (locked) device is ready for use
30*4882a593Smuzhiyun *
31*4882a593Smuzhiyun * Before using the device structure, it must be locked
32*4882a593Smuzhiyun * (wimax_dev->mutex). As well, most operations need to call this
33*4882a593Smuzhiyun * function to check if the state is the right one.
34*4882a593Smuzhiyun *
35*4882a593Smuzhiyun * An error value will be returned if the state is not the right
36*4882a593Smuzhiyun * one. In that case, the caller should not attempt to use the device
37*4882a593Smuzhiyun * and just unlock it.
38*4882a593Smuzhiyun */
39*4882a593Smuzhiyun static inline __must_check
wimax_dev_is_ready(struct wimax_dev * wimax_dev)40*4882a593Smuzhiyun int wimax_dev_is_ready(struct wimax_dev *wimax_dev)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun if (wimax_dev->state == __WIMAX_ST_NULL)
43*4882a593Smuzhiyun return -EINVAL; /* Device is not even registered! */
44*4882a593Smuzhiyun if (wimax_dev->state == WIMAX_ST_DOWN)
45*4882a593Smuzhiyun return -ENOMEDIUM;
46*4882a593Smuzhiyun if (wimax_dev->state == __WIMAX_ST_QUIESCING)
47*4882a593Smuzhiyun return -ESHUTDOWN;
48*4882a593Smuzhiyun return 0;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun static inline
__wimax_state_set(struct wimax_dev * wimax_dev,enum wimax_st state)53*4882a593Smuzhiyun void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state)
54*4882a593Smuzhiyun {
55*4882a593Smuzhiyun wimax_dev->state = state;
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun void __wimax_state_change(struct wimax_dev *, enum wimax_st);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun #ifdef CONFIG_DEBUG_FS
60*4882a593Smuzhiyun void wimax_debugfs_add(struct wimax_dev *);
61*4882a593Smuzhiyun void wimax_debugfs_rm(struct wimax_dev *);
62*4882a593Smuzhiyun #else
wimax_debugfs_add(struct wimax_dev * wimax_dev)63*4882a593Smuzhiyun static inline void wimax_debugfs_add(struct wimax_dev *wimax_dev) {}
wimax_debugfs_rm(struct wimax_dev * wimax_dev)64*4882a593Smuzhiyun static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {}
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun void wimax_id_table_add(struct wimax_dev *);
68*4882a593Smuzhiyun struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int);
69*4882a593Smuzhiyun void wimax_id_table_rm(struct wimax_dev *);
70*4882a593Smuzhiyun void wimax_id_table_release(void);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun int wimax_rfkill_add(struct wimax_dev *);
73*4882a593Smuzhiyun void wimax_rfkill_rm(struct wimax_dev *);
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun /* generic netlink */
76*4882a593Smuzhiyun extern struct genl_family wimax_gnl_family;
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun /* ops */
79*4882a593Smuzhiyun int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info);
80*4882a593Smuzhiyun int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info);
81*4882a593Smuzhiyun int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info);
82*4882a593Smuzhiyun int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info);
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun #endif /* #ifdef __KERNEL__ */
85*4882a593Smuzhiyun #endif /* #ifndef __WIMAX_INTERNAL_H__ */
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