gnab-rtl8812au/include/osdep_service_linux.h

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2013-11-19 20:24:49 +00:00
/******************************************************************************
*
* Copyright(c) 2007 - 2013 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#ifndef __OSDEP_LINUX_SERVICE_H_
#define __OSDEP_LINUX_SERVICE_H_
#include <linux/version.h>
#include <linux/spinlock.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,5))
#include <linux/kref.h>
#endif
//#include <linux/smp_lock.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/circ_buf.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/atomic.h>
#include <asm/io.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26))
#include <asm/semaphore.h>
#else
#include <linux/semaphore.h>
#endif
#include <linux/sem.h>
#include <linux/sched.h>
#include <linux/etherdevice.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <linux/delay.h>
#include <linux/proc_fs.h> // Necessary because we use the proc fs
#include <linux/interrupt.h> // for struct tasklet_struct
#include <linux/ip.h>
#include <linux/kthread.h>
#include <linux/list.h>
#include <linux/vmalloc.h>
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41))
#include <linux/tqueue.h>
#endif
#ifdef RTK_DMP_PLATFORM
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12))
#include <linux/pageremap.h>
#endif
#include <asm/io.h>
#endif
#ifdef CONFIG_IOCTL_CFG80211
// #include <linux/ieee80211.h>
#include <net/ieee80211_radiotap.h>
#include <net/cfg80211.h>
#endif //CONFIG_IOCTL_CFG80211
#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
#include <linux/in.h>
#include <linux/udp.h>
#endif
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif //CONFIG_HAS_EARLYSUSPEND
#ifdef CONFIG_EFUSE_CONFIG_FILE
#include <linux/fs.h>
#endif //CONFIG_EFUSE_CONFIG_FILE
#ifdef CONFIG_USB_HCI
#include <linux/usb.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
#include <linux/usb_ch9.h>
#else
#include <linux/usb/ch9.h>
#endif
#endif
#ifdef CONFIG_USB_HCI
typedef struct urb * PURB;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22))
#ifdef CONFIG_USB_SUSPEND
#define CONFIG_AUTOSUSPEND 1
#endif
#endif
#endif
typedef struct semaphore _sema;
typedef spinlock_t _lock;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
typedef struct mutex _mutex;
#else
typedef struct semaphore _mutex;
#endif
typedef struct timer_list _timer;
struct __queue {
struct list_head queue;
_lock lock;
};
typedef struct sk_buff _pkt;
typedef unsigned char _buffer;
typedef struct __queue _queue;
typedef struct list_head _list;
typedef int _OS_STATUS;
//typedef u32 _irqL;
typedef unsigned long _irqL;
typedef struct net_device * _nic_hdl;
typedef void* _thread_hdl_;
typedef int thread_return;
typedef void* thread_context;
#define thread_exit() complete_and_exit(NULL, 0)
typedef void timer_hdl_return;
typedef void* timer_hdl_context;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41))
typedef struct work_struct _workitem;
#else
typedef struct tq_struct _workitem;
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
// Porting from linux kernel, for compatible with old kernel.
static inline unsigned char *skb_tail_pointer(const struct sk_buff *skb)
{
return skb->tail;
}
static inline void skb_reset_tail_pointer(struct sk_buff *skb)
{
skb->tail = skb->data;
}
static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset)
{
skb->tail = skb->data + offset;
}
static inline unsigned char *skb_end_pointer(const struct sk_buff *skb)
{
return skb->end;
}
#endif
__inline static _list *get_next(_list *list)
{
return list->next;
}
__inline static _list *get_list_head(_queue *queue)
{
return (&(queue->queue));
}
#define LIST_CONTAINOR(ptr, type, member) \
((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member)))
__inline static void _enter_critical(_lock *plock, _irqL *pirqL)
{
spin_lock_irqsave(plock, *pirqL);
}
__inline static void _exit_critical(_lock *plock, _irqL *pirqL)
{
spin_unlock_irqrestore(plock, *pirqL);
}
__inline static void _enter_critical_ex(_lock *plock, _irqL *pirqL)
{
spin_lock_irqsave(plock, *pirqL);
}
__inline static void _exit_critical_ex(_lock *plock, _irqL *pirqL)
{
spin_unlock_irqrestore(plock, *pirqL);
}
__inline static void _enter_critical_bh(_lock *plock, _irqL *pirqL)
{
spin_lock_bh(plock);
}
__inline static void _exit_critical_bh(_lock *plock, _irqL *pirqL)
{
spin_unlock_bh(plock);
}
__inline static int _enter_critical_mutex(_mutex *pmutex, _irqL *pirqL)
{
int ret = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
//mutex_lock(pmutex);
ret = mutex_lock_interruptible(pmutex);
#else
ret = down_interruptible(pmutex);
#endif
return ret;
}
__inline static void _exit_critical_mutex(_mutex *pmutex, _irqL *pirqL)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
mutex_unlock(pmutex);
#else
up(pmutex);
#endif
}
__inline static void rtw_list_delete(_list *plist)
{
list_del_init(plist);
}
#define RTW_TIMER_HDL_ARGS void *FunctionContext
__inline static void _init_timer(_timer *ptimer,_nic_hdl nic_hdl,void *pfunc,void* cntx)
{
//setup_timer(ptimer, pfunc,(u32)cntx);
ptimer->function = pfunc;
ptimer->data = (unsigned long)cntx;
init_timer(ptimer);
}
__inline static void _set_timer(_timer *ptimer,u32 delay_time)
{
mod_timer(ptimer , (jiffies+(delay_time*HZ/1000)));
}
__inline static void _cancel_timer(_timer *ptimer,u8 *bcancelled)
{
del_timer_sync(ptimer);
*bcancelled= _TRUE;//TRUE ==1; FALSE==0
}
__inline static void _init_workitem(_workitem *pwork, void *pfunc, PVOID cntx)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
INIT_WORK(pwork, pfunc);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41))
INIT_WORK(pwork, pfunc,pwork);
#else
INIT_TQUEUE(pwork, pfunc,pwork);
#endif
}
__inline static void _set_workitem(_workitem *pwork)
{
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41))
schedule_work(pwork);
#else
schedule_task(pwork);
#endif
}
__inline static void _cancel_workitem_sync(_workitem *pwork)
{
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,22))
cancel_work_sync(pwork);
#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41))
flush_scheduled_work();
#else
flush_scheduled_tasks();
#endif
}
//
// Global Mutex: can only be used at PASSIVE level.
//
#define ACQUIRE_GLOBAL_MUTEX(_MutexCounter) \
{ \
while (atomic_inc_return((atomic_t *)&(_MutexCounter)) != 1)\
{ \
atomic_dec((atomic_t *)&(_MutexCounter)); \
msleep(10); \
} \
}
#define RELEASE_GLOBAL_MUTEX(_MutexCounter) \
{ \
atomic_dec((atomic_t *)&(_MutexCounter)); \
}
static inline int rtw_netif_queue_stopped(struct net_device *pnetdev)
{
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
return (netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 0)) &&
netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 1)) &&
netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 2)) &&
netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 3)) );
#else
return netif_queue_stopped(pnetdev);
#endif
}
static inline void rtw_netif_wake_queue(struct net_device *pnetdev)
{
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
netif_tx_wake_all_queues(pnetdev);
#else
netif_wake_queue(pnetdev);
#endif
}
static inline void rtw_netif_start_queue(struct net_device *pnetdev)
{
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
netif_tx_start_all_queues(pnetdev);
#else
netif_start_queue(pnetdev);
#endif
}
static inline void rtw_netif_stop_queue(struct net_device *pnetdev)
{
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
netif_tx_stop_all_queues(pnetdev);
#else
netif_stop_queue(pnetdev);
#endif
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
#define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)),(sig), 1)
#else //(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
#define rtw_signal_process(pid, sig) kill_proc((pid), (sig), 1)
#endif //(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
// Suspend lock prevent system from going suspend
#ifdef CONFIG_WAKELOCK
#include <linux/wakelock.h>
#elif defined(CONFIG_ANDROID_POWER)
#include <linux/android_power.h>
#endif
// limitation of path length
#define PATH_LENGTH_MAX PATH_MAX
//Atomic integer operations
#define ATOMIC_T atomic_t
#define rtw_netdev_priv(netdev) ( ((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv )
#define NDEV_FMT "%s"
#define NDEV_ARG(ndev) ndev->name
#define ADPT_FMT "%s"
#define ADPT_ARG(adapter) adapter->pnetdev->name
#define FUNC_NDEV_FMT "%s(%s)"
#define FUNC_NDEV_ARG(ndev) __func__, ndev->name
#define FUNC_ADPT_FMT "%s(%s)"
#define FUNC_ADPT_ARG(adapter) __func__, adapter->pnetdev->name
struct rtw_netdev_priv_indicator {
void *priv;
u32 sizeof_priv;
};
struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv);
extern struct net_device * rtw_alloc_etherdev(int sizeof_priv);
#define STRUCT_PACKED __attribute__ ((packed))
#endif