blob: 09e156199e7f7c717649104cbd1907df4ffa55e6 [file] [log] [blame]
Ali Baharcf3e6882011-09-04 03:14:04 +08001/******************************************************************************
2 *
3 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * Modifications for inclusion into the Linux staging tree are
19 * Copyright(c) 2010 Larry Finger. All rights reserved.
20 *
21 * Contact information:
22 * WLAN FAE <wlanfae@realtek.com>
23 * Larry Finger <Larry.Finger@lwfinger.net>
24 *
25 ******************************************************************************/
Larry Finger2865d422010-08-20 10:15:30 -050026#ifndef __OSDEP_SERVICE_H_
27#define __OSDEP_SERVICE_H_
28
29#define _SUCCESS 1
30#define _FAIL 0
31
Larry Finger2865d422010-08-20 10:15:30 -050032#include <linux/spinlock.h>
Ali Bahar359140a2011-09-04 03:14:11 +080033
34#include <linux/interrupt.h>
Larry Finger2865d422010-08-20 10:15:30 -050035#include <linux/semaphore.h>
Ali Bahar359140a2011-09-04 03:14:11 +080036#include <linux/sched.h>
Larry Finger2865d422010-08-20 10:15:30 -050037#include <linux/sem.h>
38#include <linux/netdevice.h>
39#include <linux/etherdevice.h>
40#include <net/iw_handler.h>
Ali Bahar359140a2011-09-04 03:14:11 +080041#include <linux/proc_fs.h> /* Necessary because we use the proc fs */
42
43#include "basic_types.h"
Larry Finger2865d422010-08-20 10:15:30 -050044
45struct __queue {
46 struct list_head queue;
47 spinlock_t lock;
48};
49
50#define _pkt struct sk_buff
51#define _buffer unsigned char
52#define thread_exit() complete_and_exit(NULL, 0)
53#define _workitem struct work_struct
Larry Finger2865d422010-08-20 10:15:30 -050054
55#define _init_queue(pqueue) \
56 do { \
57 _init_listhead(&((pqueue)->queue)); \
58 spin_lock_init(&((pqueue)->lock)); \
59 } while (0)
60
Larry Finger2865d422010-08-20 10:15:30 -050061static inline struct list_head *get_next(struct list_head *list)
62{
63 return list->next;
64}
65
66static inline struct list_head *get_list_head(struct __queue *queue)
67{
68 return &(queue->queue);
69}
70
71#define LIST_CONTAINOR(ptr, type, member) \
72 ((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member)))
73
Larry Finger2865d422010-08-20 10:15:30 -050074static inline void list_delete(struct list_head *plist)
75{
76 list_del_init(plist);
77}
78
79static inline void _init_timer(struct timer_list *ptimer,
80 struct net_device *padapter,
81 void *pfunc, void *cntx)
82{
83 ptimer->function = pfunc;
84 ptimer->data = (addr_t)cntx;
85 init_timer(ptimer);
86}
87
88static inline void _set_timer(struct timer_list *ptimer, u32 delay_time)
89{
90 mod_timer(ptimer, (jiffies+(delay_time*HZ/1000)));
91}
92
93static inline void _cancel_timer(struct timer_list *ptimer, u8 *bcancelled)
94{
95 del_timer(ptimer);
96 *bcancelled = true; /*true ==1; false==0*/
97}
98
99static inline void _init_workitem(_workitem *pwork, void *pfunc, void *cntx)
100{
101 INIT_WORK(pwork, pfunc);
102}
103
104static inline void _set_workitem(_workitem *pwork)
105{
106 schedule_work(pwork);
107}
108
Larry Finger2865d422010-08-20 10:15:30 -0500109#ifndef BIT
110 #define BIT(x) (1 << (x))
111#endif
112
113/*
114For the following list_xxx operations,
115caller must guarantee the atomic context.
116Otherwise, there will be racing condition.
117*/
118static inline u32 is_list_empty(struct list_head *phead)
119{
120 if (list_empty(phead))
121 return true;
122 else
123 return false;
124}
125
Javier M. Mellid05937582011-04-02 03:01:49 +0200126static inline void list_insert_tail(struct list_head *plist,
127 struct list_head *phead)
Larry Finger2865d422010-08-20 10:15:30 -0500128{
129 list_add_tail(plist, phead);
130}
131
132static inline u32 _down_sema(struct semaphore *sema)
133{
134 if (down_interruptible(sema))
135 return _FAIL;
136 else
137 return _SUCCESS;
138}
139
Larry Finger2865d422010-08-20 10:15:30 -0500140static inline void _init_listhead(struct list_head *list)
141{
142 INIT_LIST_HEAD(list);
143}
144
145static inline u32 _queue_empty(struct __queue *pqueue)
146{
147 return is_list_empty(&(pqueue->queue));
148}
149
Aybuke Ozdemir9ab37262014-03-18 01:39:25 +0200150static inline u32 end_of_queue_search(struct list_head *head,
151 struct list_head *plist)
Larry Finger2865d422010-08-20 10:15:30 -0500152{
153 if (head == plist)
154 return true;
155 else
156 return false;
157}
158
159static inline void sleep_schedulable(int ms)
160{
161 u32 delta;
162
163 delta = (ms * HZ) / 1000;/*(ms)*/
164 if (delta == 0)
165 delta = 1;/* 1 ms */
166 set_current_state(TASK_INTERRUPTIBLE);
167 if (schedule_timeout(delta) != 0)
Andreea-Cristina Bernat774448d2014-03-12 23:00:04 +0200168 return;
Larry Finger2865d422010-08-20 10:15:30 -0500169}
170
Larry Finger2865d422010-08-20 10:15:30 -0500171static inline unsigned char _cancel_timer_ex(struct timer_list *ptimer)
172{
173 return del_timer(ptimer);
174}
175
176static inline void thread_enter(void *context)
177{
Larry Finger2865d422010-08-20 10:15:30 -0500178 allow_signal(SIGTERM);
179}
180
181static inline void flush_signals_thread(void)
182{
183 if (signal_pending(current))
184 flush_signals(current);
185}
186
187static inline u32 _RND8(u32 sz)
188{
Larry Finger4c510e92010-11-07 12:22:18 -0600189 return ((sz >> 3) + ((sz & 7) ? 1 : 0)) << 3;
Larry Finger2865d422010-08-20 10:15:30 -0500190}
191
192static inline u32 _RND128(u32 sz)
193{
Larry Finger4c510e92010-11-07 12:22:18 -0600194 return ((sz >> 7) + ((sz & 127) ? 1 : 0)) << 7;
Larry Finger2865d422010-08-20 10:15:30 -0500195}
196
197static inline u32 _RND256(u32 sz)
198{
Larry Finger4c510e92010-11-07 12:22:18 -0600199 return ((sz >> 8) + ((sz & 255) ? 1 : 0)) << 8;
Larry Finger2865d422010-08-20 10:15:30 -0500200}
201
202static inline u32 _RND512(u32 sz)
203{
Larry Finger4c510e92010-11-07 12:22:18 -0600204 return ((sz >> 9) + ((sz & 511) ? 1 : 0)) << 9;
Larry Finger2865d422010-08-20 10:15:30 -0500205}
206
Larry Finger2865d422010-08-20 10:15:30 -0500207#endif
208