drivers/staging/otus/zdcompat.h

   1 /*
   2  * Copyright (c) 2007-2008 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 /*                                                                      */
  17 /*  Module Name : zdcompat.h                                            */
  18 /*                                                                      */
  19 /*  Abstract                                                            */
  20 /*     This module contains function defintion for compatibility.       */
  21 /*                                                                      */
  22 /*  NOTES                                                               */
  23 /*     Platform dependent.                                              */
  24 /*                                                                      */
  25 /************************************************************************/
  26
  27 #ifndef _ZDCOMPAT_H
  28 #define _ZDCOMPAT_H
  29
  30 #ifndef KERNEL_VERSION
  31 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  32 #endif
  33
  34 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
  35 #ifndef INIT_TQUEUE
  36 #define INIT_TQUEUE(_tq, _routine, _data)                       \
  37         do {                                                    \
  38                 (_tq)->next = NULL;                             \
  39                 (_tq)->sync = 0;                                \
  40                 PREPARE_TQUEUE((_tq), (_routine), (_data));     \
  41         } while (0)
  42 #define PREPARE_TQUEUE(_tq, _routine, _data)                    \
  43         do {                                                    \
  44                 (_tq)->routine = _routine;                      \
  45                 (_tq)->data = _data;                            \
  46         } while (0)
  47 #endif
  48
  49 #ifndef INIT_WORK
  50 #define work_struct tq_struct
  51
  52 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
  53 #define schedule_work(a)   queue_task(a, &tq_scheduler)
  54 #else
  55 #define schedule_work(a)  schedule_task(a)
  56 #endif
  57
  58 #define flush_scheduled_work  flush_scheduled_tasks
  59 #define INIT_WORK(_wq, _routine, _data)  INIT_TQUEUE(_wq, _routine, _data)
  60 #define PREPARE_WORK(_wq, _routine, _data)  PREPARE_TQUEUE(_wq, _routine, _data)
  61 #endif
  62 #endif // < 2.5 kernel
  63
  64
  65 #ifndef DECLARE_TASKLET
  66 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
  67 #define tasklet_schedule(a)   queue_task(a, &tq_scheduler)
  68 #else
  69 #define tasklet_schedule(a)   schedule_task(a)
  70 #endif
  71 #endif
  72
  73
  74 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38))
  75 typedef struct device netdevice_t;
  76 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4))
  77 typedef struct net_device netdevice_t;
  78 #else
  79 #undef netdevice_t
  80 typedef struct net_device netdevice_t;
  81 #endif
  82
  83 #ifdef WIRELESS_EXT
  84 #if (WIRELESS_EXT < 13)
  85 struct iw_request_info
  86 {
  87         __u16           cmd;            /* Wireless Extension command */
  88         __u16           flags;          /* More to come ;-) */
  89 };
  90 #endif
  91 #endif
  92
  93 /* linux < 2.5.69 */
  94 #ifndef IRQ_NONE
  95 typedef void irqreturn_t;
  96 #define IRQ_NONE
  97 #define IRQ_HANDLED
  98 #define IRQ_RETVAL(x)
  99 #endif
 100
 101 #ifndef in_atomic
 102 #define in_atomic()  0
 103 #endif
 104
 105 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))  // fixme
 106 #define URB_ASYNC_UNLINK  USB_ASYNC_UNLINK
 107 #else
 108 #define USB_QUEUE_BULK 0
 109 #endif
 110
 111 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
 112 #define free_netdev(x)       kfree(x)
 113 #endif
 114
 115
 116 #endif