1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
20 #ifndef __OSDEP_SERVICE_H_
21 #define __OSDEP_SERVICE_H_
23 #include <linux/version.h>
24 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
25 #include <linux/sched/signal.h>
27 #include <basic_types.h>
31 #define RTW_RX_HANDLED 2
33 #include <linux/spinlock.h>
34 #include <linux/compiler.h>
35 #include <linux/kernel.h>
36 #include <linux/errno.h>
37 #include <linux/init.h>
38 #include <linux/slab.h>
39 #include <linux/module.h>
40 #include <linux/kref.h>
41 #include <linux/netdevice.h>
42 #include <linux/skbuff.h>
43 #include <linux/circ_buf.h>
44 #include <linux/uaccess.h>
45 #include <asm/byteorder.h>
46 #include <asm/atomic.h>
48 #include <linux/semaphore.h>
49 #include <linux/sem.h>
50 #include <linux/sched.h>
51 #include <linux/etherdevice.h>
52 #include <linux/wireless.h>
53 #include <net/iw_handler.h>
54 #include <linux/if_arp.h>
55 #include <linux/rtnetlink.h>
56 #include <linux/delay.h>
57 #include <linux/proc_fs.h> /* Necessary because we use the proc fs */
58 #include <linux/interrupt.h> /* for struct tasklet_struct */
60 #include <linux/kthread.h>
62 #include <linux/usb.h>
63 #include <linux/usb/ch9.h>
66 struct list_head queue;
70 #define thread_exit() complete_and_exit(NULL, 0)
72 static inline struct list_head *get_list_head(struct __queue *queue)
74 return (&(queue->queue));
77 static inline int _enter_critical_mutex(struct mutex *pmutex, unsigned long *pirqL)
81 ret = mutex_lock_interruptible(pmutex);
85 static inline void _exit_critical_mutex(struct mutex *pmutex, unsigned long *pirqL)
90 static inline void rtw_list_delete(struct list_head *plist)
95 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
96 static inline void _init_timer(struct timer_list *ptimer,struct net_device *nic_hdl,void *pfunc,void* cntx)
98 ptimer->function = pfunc;
99 ptimer->data = (unsigned long)cntx;
104 static inline void _set_timer(struct timer_list *ptimer,u32 delay_time)
106 mod_timer(ptimer , (jiffies+(delay_time*HZ/1000)));
109 static inline void _cancel_timer(struct timer_list *ptimer,u8 *bcancelled)
111 del_timer_sync(ptimer);
112 *bcancelled= true;/* true ==1; false==0 */
115 #define RTW_TIMER_HDL_ARGS void *FunctionContext
116 #define RTW_TIMER_HDL_NAME(name) rtw_##name##_timer_hdl
117 #define RTW_DECLARE_TIMER_HDL(name) void RTW_TIMER_HDL_NAME(name)(RTW_TIMER_HDL_ARGS)
119 static inline void _init_workitem(struct work_struct *pwork, void *pfunc, void * cntx)
121 INIT_WORK(pwork, pfunc);
124 static inline void _set_workitem(struct work_struct *pwork)
126 schedule_work(pwork);
129 static inline void _cancel_workitem_sync(struct work_struct *pwork)
131 cancel_work_sync(pwork);
134 /* Global Mutex: can only be used at PASSIVE level. */
137 #define ACQUIRE_GLOBAL_MUTEX(_MutexCounter) \
139 while (atomic_inc_return((atomic_t *)&(_MutexCounter)) != 1)\
141 atomic_dec((atomic_t *)&(_MutexCounter)); \
146 #define RELEASE_GLOBAL_MUTEX(_MutexCounter) \
148 atomic_dec((atomic_t *)&(_MutexCounter)); \
151 static inline int rtw_netif_queue_stopped(struct net_device *pnetdev)
153 return netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 0)) &&
154 netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 1)) &&
155 netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 2)) &&
156 netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 3));
159 static inline void rtw_netif_wake_queue(struct net_device *pnetdev)
161 netif_tx_wake_all_queues(pnetdev);
164 static inline void rtw_netif_start_queue(struct net_device *pnetdev)
166 netif_tx_start_all_queues(pnetdev);
169 static inline void rtw_netif_stop_queue(struct net_device *pnetdev)
171 netif_tx_stop_all_queues(pnetdev);
175 #define BIT(x) ( 1 << (x))
178 #define BIT0 0x00000001
179 #define BIT1 0x00000002
180 #define BIT2 0x00000004
181 #define BIT3 0x00000008
182 #define BIT4 0x00000010
183 #define BIT5 0x00000020
184 #define BIT6 0x00000040
185 #define BIT7 0x00000080
186 #define BIT8 0x00000100
187 #define BIT9 0x00000200
188 #define BIT10 0x00000400
189 #define BIT11 0x00000800
190 #define BIT12 0x00001000
191 #define BIT13 0x00002000
192 #define BIT14 0x00004000
193 #define BIT15 0x00008000
194 #define BIT16 0x00010000
195 #define BIT17 0x00020000
196 #define BIT18 0x00040000
197 #define BIT19 0x00080000
198 #define BIT20 0x00100000
199 #define BIT21 0x00200000
200 #define BIT22 0x00400000
201 #define BIT23 0x00800000
202 #define BIT24 0x01000000
203 #define BIT25 0x02000000
204 #define BIT26 0x04000000
205 #define BIT27 0x08000000
206 #define BIT28 0x10000000
207 #define BIT29 0x20000000
208 #define BIT30 0x40000000
209 #define BIT31 0x80000000
210 #define BIT32 0x0100000000
211 #define BIT33 0x0200000000
212 #define BIT34 0x0400000000
213 #define BIT35 0x0800000000
214 #define BIT36 0x1000000000
216 extern int RTW_STATUS_CODE(int error_code);
218 /* flags used for rtw_update_mem_stat() */
220 MEM_STAT_VIR_ALLOC_SUCCESS,
221 MEM_STAT_VIR_ALLOC_FAIL,
223 MEM_STAT_PHY_ALLOC_SUCCESS,
224 MEM_STAT_PHY_ALLOC_FAIL,
226 MEM_STAT_TX, /* used to distinguish TX/RX, asigned from caller */
227 MEM_STAT_TX_ALLOC_SUCCESS,
228 MEM_STAT_TX_ALLOC_FAIL,
230 MEM_STAT_RX, /* used to distinguish TX/RX, asigned from caller */
231 MEM_STAT_RX_ALLOC_SUCCESS,
232 MEM_STAT_RX_ALLOC_FAIL,
236 extern unsigned char MCS_rate_2R[16];
237 extern unsigned char MCS_rate_1R[16];
238 extern unsigned char RTW_WPA_OUI[];
239 extern unsigned char WPA_TKIP_CIPHER[4];
240 extern unsigned char RSN_TKIP_CIPHER[4];
242 #define rtw_update_mem_stat(flag, sz) do {} while (0)
243 u8 *_rtw_vmalloc(u32 sz);
244 u8 *_rtw_zvmalloc(u32 sz);
245 void _rtw_vmfree(u8 *pbuf, u32 sz);
246 u8 *_rtw_zmalloc(u32 sz);
247 u8 *_rtw_malloc(u32 sz);
248 void _rtw_mfree(u8 *pbuf, u32 sz);
249 #define rtw_vmalloc(sz) _rtw_vmalloc((sz))
250 #define rtw_zvmalloc(sz) _rtw_zvmalloc((sz))
251 #define rtw_vmfree(pbuf, sz) _rtw_vmfree((pbuf), (sz))
252 #define rtw_malloc(sz) _rtw_malloc((sz))
253 #define rtw_zmalloc(sz) _rtw_zmalloc((sz))
254 #define rtw_mfree(pbuf, sz) _rtw_mfree((pbuf), (sz))
256 void *rtw_malloc2d(int h, int w, int size);
257 void rtw_mfree2d(void *pbuf, int h, int w, int size);
259 u32 _rtw_down_sema(struct semaphore *sema);
260 void _rtw_mutex_init(struct mutex *pmutex);
261 void _rtw_mutex_free(struct mutex *pmutex);
262 void _rtw_spinlock_free(spinlock_t *plock);
264 void _rtw_init_queue(struct __queue *pqueue);
266 u32 rtw_systime_to_ms(u32 systime);
267 u32 rtw_ms_to_systime(u32 ms);
268 s32 rtw_get_passing_time_ms(u32 start);
269 s32 rtw_get_time_interval_ms(u32 start, u32 end);
271 void rtw_sleep_schedulable(int ms);
273 void rtw_msleep_os(int ms);
274 void rtw_usleep_os(int us);
278 void rtw_mdelay_os(int ms);
279 void rtw_udelay_os(int us);
281 void rtw_yield_os(void);
283 static inline unsigned char _cancel_timer_ex(struct timer_list *ptimer)
285 return del_timer_sync(ptimer);
288 static __inline void thread_enter(char *name)
291 daemonize("%s", name);
293 allow_signal(SIGTERM);
296 static inline void flush_signals_thread(void)
298 if (signal_pending (current))
299 flush_signals(current);
302 static inline int res_to_status(int res)
307 #define _RND(sz, r) ((((sz)+((r)-1))/(r))*(r))
308 #define RND4(x) (((x >> 2) + (((x & 3) == 0) ? 0: 1)) << 2)
310 static inline u32 _RND4(u32 sz)
314 val = ((sz >> 2) + ((sz & 3) ? 1: 0)) << 2;
318 static inline u32 _RND8(u32 sz)
322 val = ((sz >> 3) + ((sz & 7) ? 1: 0)) << 3;
326 static inline u32 _RND128(u32 sz)
330 val = ((sz >> 7) + ((sz & 127) ? 1: 0)) << 7;
334 static inline u32 _RND256(u32 sz)
338 val = ((sz >> 8) + ((sz & 255) ? 1: 0)) << 8;
342 static inline u32 _RND512(u32 sz)
346 val = ((sz >> 9) + ((sz & 511) ? 1: 0)) << 9;
350 static inline u32 bitshift(u32 bitmask)
354 for (i = 0; i <= 31; i++)
355 if (((bitmask>>i) & 0x1) == 1) break;
359 /* limitation of path length */
360 #define PATH_LENGTH_MAX PATH_MAX
362 void rtw_suspend_lock_init(void);
363 void rtw_suspend_lock_uninit(void);
364 void rtw_lock_suspend(void);
365 void rtw_unlock_suspend(void);
367 /* Atomic integer operations */
368 #define ATOMIC_T atomic_t
370 void ATOMIC_SET(ATOMIC_T *v, int i);
371 int ATOMIC_READ(ATOMIC_T *v);
372 void ATOMIC_ADD(ATOMIC_T *v, int i);
373 void ATOMIC_SUB(ATOMIC_T *v, int i);
374 void ATOMIC_INC(ATOMIC_T *v);
375 void ATOMIC_DEC(ATOMIC_T *v);
376 int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i);
377 int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i);
378 int ATOMIC_INC_RETURN(ATOMIC_T *v);
379 int ATOMIC_DEC_RETURN(ATOMIC_T *v);
381 struct rtw_netdev_priv_indicator {
385 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv,
387 struct net_device *rtw_alloc_etherdev(int sizeof_priv);
389 #define rtw_netdev_priv(netdev) \
390 (((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
391 void rtw_free_netdev(struct net_device *netdev);
393 #define NDEV_FMT "%s"
394 #define NDEV_ARG(ndev) ndev->name
395 #define ADPT_FMT "%s"
396 #define ADPT_ARG(adapter) adapter->pnetdev->name
397 #define FUNC_NDEV_FMT "%s(%s)"
398 #define FUNC_NDEV_ARG(ndev) __func__, ndev->name
399 #define FUNC_ADPT_FMT "%s(%s)"
400 #define FUNC_ADPT_ARG(adapter) __func__, adapter->pnetdev->name
402 #define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)),(sig), 1)
404 u64 rtw_modular64(u64 x, u64 y);
405 u64 rtw_division64(u64 x, u64 y);
407 /* Macros for handling unaligned memory accesses */
409 #define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
410 #define RTW_PUT_BE16(a, val) \
412 (a)[0] = ((u16) (val)) >> 8; \
413 (a)[1] = ((u16) (val)) & 0xff; \
416 #define RTW_PUT_LE16(a, val) \
418 (a)[1] = ((u16) (val)) >> 8; \
419 (a)[0] = ((u16) (val)) & 0xff; \
422 #define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
424 #define RTW_PUT_BE24(a, val) \
426 (a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff); \
427 (a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
428 (a)[2] = (u8) (((u32) (val)) & 0xff); \
431 #define RTW_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
432 (((u32) (a)[2]) << 8) | ((u32) (a)[3]))
433 #define RTW_PUT_BE32(a, val) \
435 (a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff); \
436 (a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff); \
437 (a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff); \
438 (a)[3] = (u8) (((u32) (val)) & 0xff); \
441 #define RTW_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
442 (((u32) (a)[1]) << 8) | ((u32) (a)[0]))
443 #define RTW_PUT_LE32(a, val) \
445 (a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff); \
446 (a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff); \
447 (a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
448 (a)[0] = (u8) (((u32) (val)) & 0xff); \
451 #define RTW_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
452 (((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
453 (((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
454 (((u64) (a)[6]) << 8) | ((u64) (a)[7]))
455 #define RTW_PUT_BE64(a, val) \
457 (a)[0] = (u8) (((u64) (val)) >> 56); \
458 (a)[1] = (u8) (((u64) (val)) >> 48); \
459 (a)[2] = (u8) (((u64) (val)) >> 40); \
460 (a)[3] = (u8) (((u64) (val)) >> 32); \
461 (a)[4] = (u8) (((u64) (val)) >> 24); \
462 (a)[5] = (u8) (((u64) (val)) >> 16); \
463 (a)[6] = (u8) (((u64) (val)) >> 8); \
464 (a)[7] = (u8) (((u64) (val)) & 0xff); \
467 #define RTW_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
468 (((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
469 (((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
470 (((u64) (a)[1]) << 8) | ((u64) (a)[0]))
472 void rtw_buf_free(u8 **buf, u32 *buf_len);
473 void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);
482 bool rtw_cbuf_full(struct rtw_cbuf *cbuf);
483 bool rtw_cbuf_empty(struct rtw_cbuf *cbuf);
484 bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf);
485 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf);
486 struct rtw_cbuf *rtw_cbuf_alloc(u32 size);
487 int wifirate2_ratetbl_inx(unsigned char rate);