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rtl8188eu/include/osdep_service.h
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version 
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

547 lines
15 KiB
C
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 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_SERVICE_H_
#define __OSDEP_SERVICE_H_
#include <basic_types.h>
#define _FAIL 0
#define _SUCCESS 1
#define RTW_RX_HANDLED 2
#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>
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/circ_buf.h>
#include <linux/uaccess.h>
#include <asm/byteorder.h>
#include <linux/atomic.h>
#include <linux/io.h>
#include <linux/semaphore.h>
#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/usb.h>
#include <linux/usb/ch9.h>
struct __queue {
struct list_head queue;
spinlock_t lock;
};
#define thread_exit() complete_and_exit(NULL, 0)
static inline struct list_head *get_next(struct list_head *list)
{
return list->next;
}
static inline struct list_head *get_list_head(struct __queue *queue)
{
return (&(queue->queue));
}
#define LIST_CONTAINOR(ptr, type, member) \
((type *)((char *)(ptr)-(size_t)(&((type *)0)->member)))
static inline void _enter_critical(spinlock_t *plock, unsigned long *pirqL)
{
spin_lock_irqsave(plock, *pirqL);
}
static inline void _exit_critical(spinlock_t *plock, unsigned long *pirqL)
{
spin_unlock_irqrestore(plock, *pirqL);
}
static inline void _enter_critical_ex(spinlock_t *plock, unsigned long *pirqL)
{
spin_lock_irqsave(plock, *pirqL);
}
static inline void _exit_critical_ex(spinlock_t *plock, unsigned long *pirqL)
{
spin_unlock_irqrestore(plock, *pirqL);
}
static inline void _enter_critical_bh(spinlock_t *plock, unsigned long *pirqL)
{
spin_lock_bh(plock);
}
static inline void _exit_critical_bh(spinlock_t *plock, unsigned long *pirqL)
{
spin_unlock_bh(plock);
}
static inline int _enter_critical_mutex(struct mutex *pmutex, unsigned long *pirqL)
{
int ret;
ret = mutex_lock_interruptible(pmutex);
return ret;
}
static inline void _exit_critical_mutex(struct mutex *pmutex, unsigned long *pirqL)
{
mutex_unlock(pmutex);
}
static inline void rtw_list_delete(struct list_head *plist)
{
list_del_init(plist);
}
static inline void _init_timer(struct timer_list *ptimer,struct net_device *nic_hdl,void *pfunc,void* cntx)
{
ptimer->function = pfunc;
ptimer->data = (unsigned long)cntx;
init_timer(ptimer);
}
static inline void _set_timer(struct timer_list *ptimer,u32 delay_time)
{
mod_timer(ptimer , (jiffies+(delay_time*HZ/1000)));
}
static inline void _cancel_timer(struct timer_list *ptimer,u8 *bcancelled)
{
del_timer_sync(ptimer);
*bcancelled= true;/* true ==1; false==0 */
}
#define RTW_TIMER_HDL_ARGS void *FunctionContext
#define RTW_TIMER_HDL_NAME(name) rtw_##name##_timer_hdl
#define RTW_DECLARE_TIMER_HDL(name) void RTW_TIMER_HDL_NAME(name)(RTW_TIMER_HDL_ARGS)
static inline void _init_workitem(struct work_struct *pwork, void *pfunc, void * cntx)
{
INIT_WORK(pwork, pfunc);
}
static inline void _set_workitem(struct work_struct *pwork)
{
schedule_work(pwork);
}
static inline void _cancel_workitem_sync(struct work_struct *pwork)
{
cancel_work_sync(pwork);
}
/* */
/* 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)
{
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));
}
static inline void rtw_netif_wake_queue(struct net_device *pnetdev)
{
netif_tx_wake_all_queues(pnetdev);
}
static inline void rtw_netif_start_queue(struct net_device *pnetdev)
{
netif_tx_start_all_queues(pnetdev);
}
static inline void rtw_netif_stop_queue(struct net_device *pnetdev)
{
netif_tx_stop_all_queues(pnetdev);
}
#ifndef BIT
#define BIT(x) ( 1 << (x))
#endif
#define BIT0 0x00000001
#define BIT1 0x00000002
#define BIT2 0x00000004
#define BIT3 0x00000008
#define BIT4 0x00000010
#define BIT5 0x00000020
#define BIT6 0x00000040
#define BIT7 0x00000080
#define BIT8 0x00000100
#define BIT9 0x00000200
#define BIT10 0x00000400
#define BIT11 0x00000800
#define BIT12 0x00001000
#define BIT13 0x00002000
#define BIT14 0x00004000
#define BIT15 0x00008000
#define BIT16 0x00010000
#define BIT17 0x00020000
#define BIT18 0x00040000
#define BIT19 0x00080000
#define BIT20 0x00100000
#define BIT21 0x00200000
#define BIT22 0x00400000
#define BIT23 0x00800000
#define BIT24 0x01000000
#define BIT25 0x02000000
#define BIT26 0x04000000
#define BIT27 0x08000000
#define BIT28 0x10000000
#define BIT29 0x20000000
#define BIT30 0x40000000
#define BIT31 0x80000000
#define BIT32 0x0100000000
#define BIT33 0x0200000000
#define BIT34 0x0400000000
#define BIT35 0x0800000000
#define BIT36 0x1000000000
extern int RTW_STATUS_CODE(int error_code);
/* flags used for rtw_update_mem_stat() */
enum {
MEM_STAT_VIR_ALLOC_SUCCESS,
MEM_STAT_VIR_ALLOC_FAIL,
MEM_STAT_VIR_FREE,
MEM_STAT_PHY_ALLOC_SUCCESS,
MEM_STAT_PHY_ALLOC_FAIL,
MEM_STAT_PHY_FREE,
MEM_STAT_TX, /* used to distinguish TX/RX, asigned from caller */
MEM_STAT_TX_ALLOC_SUCCESS,
MEM_STAT_TX_ALLOC_FAIL,
MEM_STAT_TX_FREE,
MEM_STAT_RX, /* used to distinguish TX/RX, asigned from caller */
MEM_STAT_RX_ALLOC_SUCCESS,
MEM_STAT_RX_ALLOC_FAIL,
MEM_STAT_RX_FREE
};
extern unsigned char MCS_rate_2R[16];
extern unsigned char MCS_rate_1R[16];
extern unsigned char RTW_WPA_OUI[];
extern unsigned char WPA_TKIP_CIPHER[4];
extern unsigned char RSN_TKIP_CIPHER[4];
#define rtw_update_mem_stat(flag, sz) do {} while (0)
u8 *_rtw_vmalloc(u32 sz);
u8 *_rtw_zvmalloc(u32 sz);
void _rtw_vmfree(u8 *pbuf, u32 sz);
u8 *_rtw_zmalloc(u32 sz);
u8 *_rtw_malloc(u32 sz);
void _rtw_mfree(u8 *pbuf, u32 sz);
#define rtw_vmalloc(sz) _rtw_vmalloc((sz))
#define rtw_zvmalloc(sz) _rtw_zvmalloc((sz))
#define rtw_vmfree(pbuf, sz) _rtw_vmfree((pbuf), (sz))
#define rtw_malloc(sz) _rtw_malloc((sz))
#define rtw_zmalloc(sz) _rtw_zmalloc((sz))
#define rtw_mfree(pbuf, sz) _rtw_mfree((pbuf), (sz))
void *rtw_malloc2d(int h, int w, int size);
void rtw_mfree2d(void *pbuf, int h, int w, int size);
void _rtw_memcpy(void *dec, void *sour, u32 sz);
int _rtw_memcmp(void *dst, void *src, u32 sz);
void _rtw_memset(void *pbuf, int c, u32 sz);
void _rtw_init_listhead(struct list_head *list);
u32 rtw_is_list_empty(struct list_head *phead);
void rtw_list_insert_head(struct list_head *plist, struct list_head *phead);
void rtw_list_insert_tail(struct list_head *plist, struct list_head *phead);
void rtw_list_delete(struct list_head *plist);
void _rtw_init_sema(struct semaphore *sema, int init_val);
void _rtw_free_sema(struct semaphore *sema);
void _rtw_up_sema(struct semaphore *sema);
u32 _rtw_down_sema(struct semaphore *sema);
void _rtw_mutex_init(struct mutex *pmutex);
void _rtw_mutex_free(struct mutex *pmutex);
void _rtw_spinlock_init(spinlock_t *plock);
void _rtw_spinlock_free(spinlock_t *plock);
void _rtw_init_queue(struct __queue *pqueue);
u32 _rtw_queue_empty(struct __queue *pqueue);
u32 rtw_end_of_queue_search(struct list_head *queue, struct list_head *pelement);
u32 rtw_get_current_time(void);
u32 rtw_systime_to_ms(u32 systime);
u32 rtw_ms_to_systime(u32 ms);
s32 rtw_get_passing_time_ms(u32 start);
s32 rtw_get_time_interval_ms(u32 start, u32 end);
void rtw_sleep_schedulable(int ms);
void rtw_msleep_os(int ms);
void rtw_usleep_os(int us);
u32 rtw_atoi(u8 *s);
void rtw_mdelay_os(int ms);
void rtw_udelay_os(int us);
void rtw_yield_os(void);
static inline unsigned char _cancel_timer_ex(struct timer_list *ptimer)
{
return del_timer_sync(ptimer);
}
static __inline void thread_enter(char *name)
{
#ifdef daemonize
daemonize("%s", name);
#endif
allow_signal(SIGTERM);
}
static inline void flush_signals_thread(void)
{
if (signal_pending (current))
flush_signals(current);
}
static inline int res_to_status(int res)
{
return res;
}
#define _RND(sz, r) ((((sz)+((r)-1))/(r))*(r))
#define RND4(x) (((x >> 2) + (((x & 3) == 0) ? 0: 1)) << 2)
static inline u32 _RND4(u32 sz)
{
u32 val;
val = ((sz >> 2) + ((sz & 3) ? 1: 0)) << 2;
return val;
}
static inline u32 _RND8(u32 sz)
{
u32 val;
val = ((sz >> 3) + ((sz & 7) ? 1: 0)) << 3;
return val;
}
static inline u32 _RND128(u32 sz)
{
u32 val;
val = ((sz >> 7) + ((sz & 127) ? 1: 0)) << 7;
return val;
}
static inline u32 _RND256(u32 sz)
{
u32 val;
val = ((sz >> 8) + ((sz & 255) ? 1: 0)) << 8;
return val;
}
static inline u32 _RND512(u32 sz)
{
u32 val;
val = ((sz >> 9) + ((sz & 511) ? 1: 0)) << 9;
return val;
}
static inline u32 bitshift(u32 bitmask)
{
u32 i;
for (i = 0; i <= 31; i++)
if (((bitmask>>i) & 0x1) == 1) break;
return i;
}
/* limitation of path length */
#define PATH_LENGTH_MAX PATH_MAX
void rtw_suspend_lock_init(void);
void rtw_suspend_lock_uninit(void);
void rtw_lock_suspend(void);
void rtw_unlock_suspend(void);
/* Atomic integer operations */
#define ATOMIC_T atomic_t
void ATOMIC_SET(ATOMIC_T *v, int i);
int ATOMIC_READ(ATOMIC_T *v);
void ATOMIC_ADD(ATOMIC_T *v, int i);
void ATOMIC_SUB(ATOMIC_T *v, int i);
void ATOMIC_INC(ATOMIC_T *v);
void ATOMIC_DEC(ATOMIC_T *v);
int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i);
int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i);
int ATOMIC_INC_RETURN(ATOMIC_T *v);
int ATOMIC_DEC_RETURN(ATOMIC_T *v);
/* File operation APIs, just for linux now */
int rtw_is_file_readable(char *path);
int rtw_retrive_from_file(char *path, u8 __user *buf, u32 sz);
int rtw_store_to_file(char *path, u8 __user *buf, u32 sz);
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);
struct net_device *rtw_alloc_etherdev(int sizeof_priv);
#define rtw_netdev_priv(netdev) \
(((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
void rtw_free_netdev(struct net_device *netdev);
#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
#define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)),(sig), 1)
u64 rtw_modular64(u64 x, u64 y);
u64 rtw_division64(u64 x, u64 y);
/* Macros for handling unaligned memory accesses */
#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
#define RTW_PUT_BE16(a, val) \
do { \
(a)[0] = ((u16) (val)) >> 8; \
(a)[1] = ((u16) (val)) & 0xff; \
} while (0)
#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
#define RTW_PUT_LE16(a, val) \
do { \
(a)[1] = ((u16) (val)) >> 8; \
(a)[0] = ((u16) (val)) & 0xff; \
} while (0)
#define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
((u32) (a)[2]))
#define RTW_PUT_BE24(a, val) \
do { \
(a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff); \
(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
(a)[2] = (u8) (((u32) (val)) & 0xff); \
} while (0)
#define RTW_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
(((u32) (a)[2]) << 8) | ((u32) (a)[3]))
#define RTW_PUT_BE32(a, val) \
do { \
(a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff); \
(a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff); \
(a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff); \
(a)[3] = (u8) (((u32) (val)) & 0xff); \
} while (0)
#define RTW_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
(((u32) (a)[1]) << 8) | ((u32) (a)[0]))
#define RTW_PUT_LE32(a, val) \
do { \
(a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff); \
(a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff); \
(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
(a)[0] = (u8) (((u32) (val)) & 0xff); \
} while (0)
#define RTW_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
(((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
(((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
(((u64) (a)[6]) << 8) | ((u64) (a)[7]))
#define RTW_PUT_BE64(a, val) \
do { \
(a)[0] = (u8) (((u64) (val)) >> 56); \
(a)[1] = (u8) (((u64) (val)) >> 48); \
(a)[2] = (u8) (((u64) (val)) >> 40); \
(a)[3] = (u8) (((u64) (val)) >> 32); \
(a)[4] = (u8) (((u64) (val)) >> 24); \
(a)[5] = (u8) (((u64) (val)) >> 16); \
(a)[6] = (u8) (((u64) (val)) >> 8); \
(a)[7] = (u8) (((u64) (val)) & 0xff); \
} while (0)
#define RTW_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
(((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
(((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
(((u64) (a)[1]) << 8) | ((u64) (a)[0]))
void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);
struct rtw_cbuf {
u32 write;
u32 read;
u32 size;
void *bufs[0];
};
bool rtw_cbuf_full(struct rtw_cbuf *cbuf);
bool rtw_cbuf_empty(struct rtw_cbuf *cbuf);
bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf);
void *rtw_cbuf_pop(struct rtw_cbuf *cbuf);
struct rtw_cbuf *rtw_cbuf_alloc(u32 size);
int wifirate2_ratetbl_inx(unsigned char rate);
#endif
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