/******************************************************************************
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*
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* Copyright(c) 2007 - 2013 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#ifndef __OSDEP_LINUX_SERVICE_H_
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#define __OSDEP_LINUX_SERVICE_H_
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#include <linux/version.h>
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#include <linux/spinlock.h>
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#include <linux/compiler.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 5))
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#include <linux/kref.h>
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#endif
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/* #include <linux/smp_lock.h> */
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <linux/circ_buf.h>
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#include <asm/uaccess.h>
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#include <asm/byteorder.h>
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#include <asm/atomic.h>
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#include <asm/io.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
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#include <asm/semaphore.h>
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#else
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#include <linux/semaphore.h>
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#endif
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#include <linux/sem.h>
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#include <linux/sched.h>
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#include <linux/etherdevice.h>
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#include <linux/wireless.h>
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#include <net/iw_handler.h>
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#include <linux/if_arp.h>
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#include <linux/rtnetlink.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h> /* for struct tasklet_struct */
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#include <linux/ip.h>
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#include <linux/kthread.h>
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#include <linux/list.h>
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#include <linux/vmalloc.h>
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#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 5, 41))
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#include <linux/tqueue.h>
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0))
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#include <uapi/linux/limits.h>
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#else
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#include <linux/limits.h>
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
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#include <linux/sched/signal.h>
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#endif
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#ifdef RTK_DMP_PLATFORM
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 12))
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#include <linux/pageremap.h>
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#endif
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#include <asm/io.h>
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#endif
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#ifdef CONFIG_NET_RADIO
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#define CONFIG_WIRELESS_EXT
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#endif
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/* Monitor mode */
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#include <net/ieee80211_radiotap.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
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#include <linux/ieee80211.h>
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#endif
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#ifdef CONFIG_IOCTL_CFG80211
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/* #include <linux/ieee80211.h> */
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#include <net/cfg80211.h>
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#endif /* CONFIG_IOCTL_CFG80211 */
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#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
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#include <linux/in.h>
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#include <linux/udp.h>
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#endif
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#ifdef CONFIG_HAS_EARLYSUSPEND
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#include <linux/earlysuspend.h>
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#endif /* CONFIG_HAS_EARLYSUSPEND */
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#ifdef CONFIG_EFUSE_CONFIG_FILE
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#include <linux/fs.h>
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#endif
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#ifdef CONFIG_USB_HCI
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#include <linux/usb.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 21))
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#include <linux/usb_ch9.h>
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#else
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#include <linux/usb/ch9.h>
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#endif
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#endif
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#ifdef CONFIG_BT_COEXIST_SOCKET_TRX
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#include <net/sock.h>
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#include <net/tcp.h>
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#include <linux/udp.h>
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#include <linux/in.h>
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#include <linux/netlink.h>
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#endif /* CONFIG_BT_COEXIST_SOCKET_TRX */
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#ifdef CONFIG_USB_HCI
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typedef struct urb *PURB;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22))
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#ifdef CONFIG_USB_SUSPEND
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#define CONFIG_AUTOSUSPEND 1
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#endif
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#endif
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#endif
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#if defined(CONFIG_RTW_GRO) && (!defined(CONFIG_RTW_NAPI))
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#error "Enable NAPI before enable GRO\n"
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#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29) && defined(CONFIG_RTW_NAPI))
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#error "Linux Kernel version too old (should newer than 2.6.29)\n"
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#endif
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typedef struct semaphore _sema;
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typedef spinlock_t _lock;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
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typedef struct mutex _mutex;
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#else
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typedef struct semaphore _mutex;
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
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typedef struct legacy_timer_emu {
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struct timer_list t;
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void (*function)(unsigned long);
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unsigned long data;
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} _timer;
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#else
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typedef struct timer_list _timer;
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#endif
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struct __queue {
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struct list_head queue;
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_lock lock;
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};
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typedef struct sk_buff _pkt;
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typedef unsigned char _buffer;
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typedef struct __queue _queue;
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typedef struct list_head _list;
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typedef int _OS_STATUS;
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/* typedef u32 _irqL; */
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typedef unsigned long _irqL;
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typedef struct net_device *_nic_hdl;
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typedef void *_thread_hdl_;
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typedef int thread_return;
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typedef void *thread_context;
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#define thread_exit() complete_and_exit(NULL, 0)
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typedef void timer_hdl_return;
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typedef void *timer_hdl_context;
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 41))
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typedef struct work_struct _workitem;
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#else
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typedef struct tq_struct _workitem;
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24))
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#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22))
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/* Porting from linux kernel, for compatible with old kernel. */
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static inline unsigned char *skb_tail_pointer(const struct sk_buff *skb)
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{
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return skb->tail;
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}
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static inline void skb_reset_tail_pointer(struct sk_buff *skb)
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{
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skb->tail = skb->data;
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}
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static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset)
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{
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skb->tail = skb->data + offset;
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}
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static inline unsigned char *skb_end_pointer(const struct sk_buff *skb)
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{
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return skb->end;
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}
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#endif
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__inline static _list *get_next(_list *list)
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{
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return list->next;
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}
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__inline static _list *get_list_head(_queue *queue)
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{
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return &(queue->queue);
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}
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#define LIST_CONTAINOR(ptr, type, member) \
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((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member)))
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__inline static void _enter_critical(_lock *plock, _irqL *pirqL)
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{
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spin_lock_irqsave(plock, *pirqL);
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}
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__inline static void _exit_critical(_lock *plock, _irqL *pirqL)
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{
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spin_unlock_irqrestore(plock, *pirqL);
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}
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__inline static void _enter_critical_ex(_lock *plock, _irqL *pirqL)
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{
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spin_lock_irqsave(plock, *pirqL);
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}
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__inline static void _exit_critical_ex(_lock *plock, _irqL *pirqL)
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{
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spin_unlock_irqrestore(plock, *pirqL);
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}
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__inline static void _enter_critical_bh(_lock *plock, _irqL *pirqL)
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{
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spin_lock_bh(plock);
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}
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__inline static void _exit_critical_bh(_lock *plock, _irqL *pirqL)
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{
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spin_unlock_bh(plock);
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}
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__inline static int _enter_critical_mutex(_mutex *pmutex, _irqL *pirqL)
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{
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int ret = 0;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
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/* mutex_lock(pmutex); */
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ret = mutex_lock_interruptible(pmutex);
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#else
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ret = down_interruptible(pmutex);
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#endif
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return ret;
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}
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__inline static void _exit_critical_mutex(_mutex *pmutex, _irqL *pirqL)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
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mutex_unlock(pmutex);
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#else
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up(pmutex);
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#endif
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}
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__inline static void rtw_list_delete(_list *plist)
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{
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list_del_init(plist);
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}
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#define RTW_TIMER_HDL_ARGS void *FunctionContext
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
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static void legacy_timer_emu_func(struct timer_list *t)
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{
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struct legacy_timer_emu *lt = from_timer(lt, t, t);
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lt->function(lt->data);
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}
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#endif
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__inline static void _init_timer(_timer *ptimer, _nic_hdl nic_hdl, void *pfunc, void *cntx)
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{
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/* setup_timer(ptimer, pfunc,(u32)cntx); */
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ptimer->function = pfunc;
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ptimer->data = (unsigned long)cntx;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
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timer_setup(&ptimer->t, legacy_timer_emu_func, 0);
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#else
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init_timer(ptimer);
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#endif
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}
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__inline static void _set_timer(_timer *ptimer, u32 delay_time)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
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mod_timer(&ptimer->t, (jiffies + (delay_time * HZ / 1000)));
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#else
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mod_timer(ptimer, (jiffies + (delay_time * HZ / 1000)));
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#endif
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}
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__inline static void _cancel_timer(_timer *ptimer, u8 *bcancelled)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
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*bcancelled = del_timer_sync(&ptimer->t) == 1 ? 1 : 0;
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#else
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*bcancelled = del_timer_sync(ptimer) == 1 ? 1 : 0;
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#endif
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}
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static inline void _init_workitem(_workitem *pwork, void *pfunc, void *cntx)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20))
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INIT_WORK(pwork, pfunc);
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#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 41))
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INIT_WORK(pwork, pfunc, pwork);
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#else
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INIT_TQUEUE(pwork, pfunc, pwork);
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#endif
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}
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__inline static void _set_workitem(_workitem *pwork)
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{
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 41))
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schedule_work(pwork);
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#else
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schedule_task(pwork);
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#endif
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}
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__inline static void _cancel_workitem_sync(_workitem *pwork)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22))
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cancel_work_sync(pwork);
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#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 41))
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flush_scheduled_work();
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#else
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flush_scheduled_tasks();
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#endif
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}
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/*
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* Global Mutex: can only be used at PASSIVE level.
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* */
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#define ACQUIRE_GLOBAL_MUTEX(_MutexCounter) \
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{ \
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while (atomic_inc_return((atomic_t *)&(_MutexCounter)) != 1) { \
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atomic_dec((atomic_t *)&(_MutexCounter)); \
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msleep(10); \
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} \
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}
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#define RELEASE_GLOBAL_MUTEX(_MutexCounter) \
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{ \
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atomic_dec((atomic_t *)&(_MutexCounter)); \
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}
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static inline int rtw_netif_queue_stopped(struct net_device *pnetdev)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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return (netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 0)) &&
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netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 1)) &&
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netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 2)) &&
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netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 3)));
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#else
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return netif_queue_stopped(pnetdev);
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#endif
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}
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static inline void rtw_netif_wake_queue(struct net_device *pnetdev)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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netif_tx_wake_all_queues(pnetdev);
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#else
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netif_wake_queue(pnetdev);
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#endif
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}
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static inline void rtw_netif_start_queue(struct net_device *pnetdev)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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netif_tx_start_all_queues(pnetdev);
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#else
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netif_start_queue(pnetdev);
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#endif
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}
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static inline void rtw_netif_stop_queue(struct net_device *pnetdev)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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netif_tx_stop_all_queues(pnetdev);
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#else
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netif_stop_queue(pnetdev);
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#endif
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}
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static inline void rtw_netif_carrier_on(struct net_device *pnetdev)
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{
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netif_device_attach(pnetdev);
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netif_carrier_on(pnetdev);
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}
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static inline int rtw_merge_string(char *dst, int dst_len, const char *src1, const char *src2)
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{
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int len = 0;
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len += snprintf(dst + len, dst_len - len, "%s", src1);
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len += snprintf(dst + len, dst_len - len, "%s", src2);
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return len;
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}
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
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#define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)), (sig), 1)
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#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */
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#define rtw_signal_process(pid, sig) kill_proc((pid), (sig), 1)
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#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */
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/* Suspend lock prevent system from going suspend */
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#ifdef CONFIG_WAKELOCK
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#include <linux/wakelock.h>
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#elif defined(CONFIG_ANDROID_POWER)
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#include <linux/android_power.h>
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#endif
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/* limitation of path length */
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#define PATH_LENGTH_MAX PATH_MAX
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/* Atomic integer operations */
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#define ATOMIC_T atomic_t
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#define rtw_netdev_priv(netdev) (((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
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#define NDEV_FMT "%s"
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#define NDEV_ARG(ndev) ndev->name
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#define ADPT_FMT "%s"
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#define ADPT_ARG(adapter) (adapter->pnetdev ? adapter->pnetdev->name : NULL)
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#define FUNC_NDEV_FMT "%s(%s)"
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#define FUNC_NDEV_ARG(ndev) __func__, ndev->name
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#define FUNC_ADPT_FMT "%s(%s)"
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#define FUNC_ADPT_ARG(adapter) __func__, (adapter->pnetdev ? adapter->pnetdev->name : NULL)
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struct rtw_netdev_priv_indicator {
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void *priv;
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u32 sizeof_priv;
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};
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struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv);
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extern struct net_device *rtw_alloc_etherdev(int sizeof_priv);
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#define STRUCT_PACKED __attribute__ ((packed))
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#endif
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