drivers/staging/rtl8712/osdep_service.h

   1 /******************************************************************************
   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  ******************************************************************************/
  26 #ifndef __OSDEP_SERVICE_H_
  27 #define __OSDEP_SERVICE_H_
  28
  29 #define _SUCCESS        1
  30 #define _FAIL           0
  31
  32 #include <linux/spinlock.h>
  33
  34 #include <linux/interrupt.h>
  35 #include <linux/semaphore.h>
  36 #include <linux/sched.h>
  37 #include <linux/sem.h>
  38 #include <linux/netdevice.h>
  39 #include <linux/etherdevice.h>
  40 #include <net/iw_handler.h>
  41 #include <linux/proc_fs.h>      /* Necessary because we use the proc fs */
  42
  43 #include "basic_types.h"
  44
  45 struct  __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
  54 #define _init_queue(pqueue)                             \
  55         do {                                            \
  56                 INIT_LIST_HEAD(&((pqueue)->queue));     \
  57                 spin_lock_init(&((pqueue)->lock));      \
  58         } while (0)
  59
  60 #define LIST_CONTAINOR(ptr, type, member) \
  61         ((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member)))
  62
  63 static inline u32 _down_sema(struct semaphore *sema)
  64 {
  65         if (down_interruptible(sema))
  66                 return _FAIL;
  67         return _SUCCESS;
  68 }
  69
  70 static inline u32 end_of_queue_search(struct list_head *head,
  71                 struct list_head *plist)
  72 {
  73         return (head == plist);
  74 }
  75
  76 static inline void sleep_schedulable(int ms)
  77 {
  78         u32 delta;
  79
  80         delta = msecs_to_jiffies(ms);/*(ms)*/
  81         set_current_state(TASK_INTERRUPTIBLE);
  82         schedule_timeout(delta);
  83 }
  84
  85 static inline void flush_signals_thread(void)
  86 {
  87         if (signal_pending(current))
  88                 flush_signals(current);
  89 }
  90
  91 #endif
  92