diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/include/osdep_service.h')
| -rw-r--r-- | drivers/staging/rtl8188eu/include/osdep_service.h | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h new file mode 100644 index 000000000000..44f24fa31a34 --- /dev/null +++ b/drivers/staging/rtl8188eu/include/osdep_service.h @@ -0,0 +1,547 @@ +/****************************************************************************** + * + * 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 |