1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 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 ******************************************************************************/
22 #define _OSDEP_SERVICE_C_
24 #include <drv_types.h>
28 #ifdef DBG_MEMORY_LEAK
30 atomic_t _malloc_cnt = ATOMIC_INIT(0);
31 atomic_t _malloc_size = ATOMIC_INIT(0);
33 #endif /* DBG_MEMORY_LEAK */
36 #if defined(PLATFORM_LINUX)
38 * Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE
39 * @return: one of RTW_STATUS_CODE
41 inline int RTW_STATUS_CODE(int error_code){
47 // return RTW_STATUS_TIMEDOUT;
53 inline int RTW_STATUS_CODE(int error_code){
63 for(i=0;i<=strlen(s);i++)
65 if(s[i] >= '0' && s[i] <= '9')
66 num = num * 10 + s[i] -'0';
67 else if(s[0] == '-' && i==0)
80 inline u8* _rtw_vmalloc(u32 sz)
86 #ifdef PLATFORM_FREEBSD
87 pbuf = malloc(sz,M_DEVBUF,M_NOWAIT);
90 #ifdef PLATFORM_WINDOWS
91 NdisAllocateMemoryWithTag(&pbuf,sz, RT_TAG);
94 #ifdef DBG_MEMORY_LEAK
97 atomic_inc(&_malloc_cnt);
98 atomic_add(sz, &_malloc_size);
101 #endif /* DBG_MEMORY_LEAK */
106 inline u8* _rtw_zvmalloc(u32 sz)
109 #ifdef PLATFORM_LINUX
110 pbuf = _rtw_vmalloc(sz);
114 #ifdef PLATFORM_FREEBSD
115 pbuf = malloc(sz,M_DEVBUF,M_ZERO|M_NOWAIT);
117 #ifdef PLATFORM_WINDOWS
118 NdisAllocateMemoryWithTag(&pbuf,sz, RT_TAG);
120 NdisFillMemory(pbuf, sz, 0);
126 inline void _rtw_vmfree(u8 *pbuf, u32 sz)
128 #ifdef PLATFORM_LINUX
131 #ifdef PLATFORM_FREEBSD
134 #ifdef PLATFORM_WINDOWS
135 NdisFreeMemory(pbuf,sz, 0);
138 #ifdef DBG_MEMORY_LEAK
139 #ifdef PLATFORM_LINUX
140 atomic_dec(&_malloc_cnt);
141 atomic_sub(sz, &_malloc_size);
143 #endif /* DBG_MEMORY_LEAK */
146 u8* _rtw_malloc(u32 sz)
151 #ifdef PLATFORM_LINUX
152 #ifdef RTK_DMP_PLATFORM
154 pbuf = (u8 *)dvr_malloc(sz);
157 pbuf = kmalloc(sz,in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
160 #ifdef PLATFORM_FREEBSD
161 pbuf = malloc(sz,M_DEVBUF,M_NOWAIT);
163 #ifdef PLATFORM_WINDOWS
165 NdisAllocateMemoryWithTag(&pbuf,sz, RT_TAG);
169 #ifdef DBG_MEMORY_LEAK
170 #ifdef PLATFORM_LINUX
172 atomic_inc(&_malloc_cnt);
173 atomic_add(sz, &_malloc_size);
176 #endif /* DBG_MEMORY_LEAK */
183 u8* _rtw_zmalloc(u32 sz)
185 #ifdef PLATFORM_FREEBSD
186 return malloc(sz,M_DEVBUF,M_ZERO|M_NOWAIT);
187 #else // PLATFORM_FREEBSD
188 u8 *pbuf = _rtw_malloc(sz);
192 #ifdef PLATFORM_LINUX
196 #ifdef PLATFORM_WINDOWS
197 NdisFillMemory(pbuf, sz, 0);
203 #endif // PLATFORM_FREEBSD
206 void _rtw_mfree(u8 *pbuf, u32 sz)
209 #ifdef PLATFORM_LINUX
210 #ifdef RTK_DMP_PLATFORM
218 #ifdef PLATFORM_FREEBSD
221 #ifdef PLATFORM_WINDOWS
223 NdisFreeMemory(pbuf,sz, 0);
227 #ifdef DBG_MEMORY_LEAK
228 #ifdef PLATFORM_LINUX
229 atomic_dec(&_malloc_cnt);
230 atomic_sub(sz, &_malloc_size);
232 #endif /* DBG_MEMORY_LEAK */
236 #ifdef PLATFORM_FREEBSD
238 struct sk_buff * dev_alloc_skb(unsigned int size)
240 struct sk_buff *skb=NULL;
243 //skb = (struct sk_buff *)_rtw_zmalloc(sizeof(struct sk_buff)); // for skb->len, etc.
244 skb = (struct sk_buff *)_rtw_malloc(sizeof(struct sk_buff));
247 data = _rtw_malloc(size);
251 skb->head = (unsigned char*)data;
252 skb->data = (unsigned char*)data;
253 skb->tail = (unsigned char*)data;
254 skb->end = (unsigned char*)data + size;
256 //printf("%s()-%d: skb=%p, skb->head = %p\n", __FUNCTION__, __LINE__, skb, skb->head);
261 _rtw_mfree((u8 *)skb, sizeof(struct sk_buff));
267 void dev_kfree_skb_any(struct sk_buff *skb)
269 //printf("%s()-%d: skb->head = %p\n", __FUNCTION__, __LINE__, skb->head);
271 _rtw_mfree(skb->head, 0);
272 //printf("%s()-%d: skb = %p\n", __FUNCTION__, __LINE__, skb);
274 _rtw_mfree((u8 *)skb, 0);
276 struct sk_buff *skb_clone(const struct sk_buff *skb)
281 #endif /* PLATFORM_FREEBSD */
283 inline struct sk_buff *_rtw_skb_alloc(u32 sz)
285 #ifdef PLATFORM_LINUX
286 return __dev_alloc_skb(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
287 #endif /* PLATFORM_LINUX */
289 #ifdef PLATFORM_FREEBSD
290 return dev_alloc_skb(sz);
291 #endif /* PLATFORM_FREEBSD */
294 inline void _rtw_skb_free(struct sk_buff *skb)
296 dev_kfree_skb_any(skb);
299 inline struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb)
301 #ifdef PLATFORM_LINUX
302 return skb_copy(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
303 #endif /* PLATFORM_LINUX */
305 #ifdef PLATFORM_FREEBSD
307 #endif /* PLATFORM_FREEBSD */
310 inline struct sk_buff *_rtw_skb_clone(struct sk_buff *skb)
312 #ifdef PLATFORM_LINUX
313 return skb_clone(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
314 #endif /* PLATFORM_LINUX */
316 #ifdef PLATFORM_FREEBSD
317 return skb_clone(skb);
318 #endif /* PLATFORM_FREEBSD */
321 inline int _rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb)
323 #ifdef PLATFORM_LINUX
325 return netif_rx(skb);
326 #endif /* PLATFORM_LINUX */
328 #ifdef PLATFORM_FREEBSD
329 return (*ndev->if_input)(ndev, skb);
330 #endif /* PLATFORM_FREEBSD */
333 void _rtw_skb_queue_purge(struct sk_buff_head *list)
337 while ((skb = skb_dequeue(list)) != NULL)
341 #ifdef CONFIG_USB_HCI
342 inline void *_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma)
344 #ifdef PLATFORM_LINUX
345 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
346 return usb_alloc_coherent(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
348 return usb_buffer_alloc(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
350 #endif /* PLATFORM_LINUX */
352 #ifdef PLATFORM_FREEBSD
353 return (malloc(size, M_USBDEV, M_NOWAIT | M_ZERO));
354 #endif /* PLATFORM_FREEBSD */
356 inline void _rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma)
358 #ifdef PLATFORM_LINUX
359 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
360 usb_free_coherent(dev, size, addr, dma);
362 usb_buffer_free(dev, size, addr, dma);
364 #endif /* PLATFORM_LINUX */
366 #ifdef PLATFORM_FREEBSD
367 free(addr, M_USBDEV);
368 #endif /* PLATFORM_FREEBSD */
370 #endif /* CONFIG_USB_HCI */
372 #if defined(DBG_MEM_ALLOC)
374 struct rtw_mem_stat {
375 ATOMIC_T alloc; // the memory bytes we allocate currently
376 ATOMIC_T peak; // the peak memory bytes we allocate
377 ATOMIC_T alloc_cnt; // the alloc count for alloc currently
378 ATOMIC_T alloc_err_cnt; // the error times we fail to allocate memory
381 struct rtw_mem_stat rtw_mem_type_stat[mstat_tf_idx(MSTAT_TYPE_MAX)];
382 struct rtw_mem_stat rtw_mem_func_stat[mstat_ff_idx(MSTAT_FUNC_MAX)];
384 char *MSTAT_TYPE_str[] = {
391 char *MSTAT_FUNC_str[] = {
400 void rtw_mstat_dump(void *sel)
403 int value_t[4][mstat_tf_idx(MSTAT_TYPE_MAX)];
404 int value_f[4][mstat_ff_idx(MSTAT_FUNC_MAX)];
406 int vir_alloc, vir_peak, vir_alloc_err, phy_alloc, phy_peak, phy_alloc_err;
407 int tx_alloc, tx_peak, tx_alloc_err, rx_alloc, rx_peak, rx_alloc_err;
409 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
410 value_t[0][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc));
411 value_t[1][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].peak));
412 value_t[2][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_cnt));
413 value_t[3][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_err_cnt));
416 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
417 value_f[0][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc));
418 value_f[1][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].peak));
419 value_f[2][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_cnt));
420 value_f[3][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_err_cnt));
423 DBG_871X_SEL_NL(sel, "===================== MSTAT =====================\n");
424 DBG_871X_SEL_NL(sel, "%4s %10s %10s %10s %10s\n", "TAG", "alloc", "peak", "aloc_cnt", "err_cnt");
425 DBG_871X_SEL_NL(sel, "-------------------------------------------------\n");
426 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
427 DBG_871X_SEL_NL(sel, "%4s %10d %10d %10d %10d\n", MSTAT_TYPE_str[i], value_t[0][i], value_t[1][i], value_t[2][i], value_t[3][i]);
429 DBG_871X_SEL_NL(sel, "-------------------------------------------------\n");
430 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
431 DBG_871X_SEL_NL(sel, "%4s %10d %10d %10d %10d\n", MSTAT_FUNC_str[i], value_f[0][i], value_f[1][i], value_f[2][i], value_f[3][i]);
435 void rtw_mstat_update(const enum mstat_f flags, const MSTAT_STATUS status, u32 sz)
437 static u32 update_time = 0;
443 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
444 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc), 0);
445 ATOMIC_SET(&(rtw_mem_type_stat[i].peak), 0);
446 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_cnt), 0);
447 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_err_cnt), 0);
449 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
450 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc), 0);
451 ATOMIC_SET(&(rtw_mem_func_stat[i].peak), 0);
452 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_cnt), 0);
453 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_err_cnt), 0);
458 case MSTAT_ALLOC_SUCCESS:
459 ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
460 alloc = ATOMIC_ADD_RETURN(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
461 peak=ATOMIC_READ(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak));
463 ATOMIC_SET(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak), alloc);
465 ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
466 alloc = ATOMIC_ADD_RETURN(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
467 peak=ATOMIC_READ(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak));
469 ATOMIC_SET(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak), alloc);
472 case MSTAT_ALLOC_FAIL:
473 ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_err_cnt));
475 ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_err_cnt));
479 ATOMIC_DEC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
480 ATOMIC_SUB(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
482 ATOMIC_DEC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
483 ATOMIC_SUB(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
487 //if (rtw_get_passing_time_ms(update_time) > 5000) {
488 // rtw_mstat_dump(RTW_DBGDUMP);
489 update_time=rtw_get_current_time();
494 inline u8* dbg_rtw_vmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
497 //DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
499 p=_rtw_vmalloc((sz));
503 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
510 inline u8* dbg_rtw_zvmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
513 //DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
515 p=_rtw_zvmalloc((sz));
519 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
526 inline void dbg_rtw_vmfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
528 //DBG_871X("DBG_MEM_ALLOC %s:%d %s(%p,%d)\n", func, line, __FUNCTION__, (pbuf), (sz));
530 _rtw_vmfree((pbuf), (sz));
539 inline u8* dbg_rtw_malloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
543 //if(sz>=153 && sz<=306)
544 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
547 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
553 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
560 inline u8* dbg_rtw_zmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
564 //if(sz>=153 && sz<=306)
565 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
568 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
570 p = _rtw_zmalloc((sz));
574 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
581 inline void dbg_rtw_mfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
583 //if(sz>=153 && sz<=306)
584 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
587 // DBG_871X("DBG_MEM_ALLOC %s:%d %s(%p,%d)\n", func, line, __FUNCTION__, (pbuf), (sz));
589 _rtw_mfree((pbuf), (sz));
598 inline struct sk_buff * dbg_rtw_skb_alloc(unsigned int size, const enum mstat_f flags, const char *func, int line)
601 unsigned int truesize = 0;
603 skb = _rtw_skb_alloc(size);
606 truesize = skb->truesize;
608 if(!skb || truesize < size /*|| size > 4096*/)
609 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d), skb:%p, truesize=%u\n", func, line, __FUNCTION__, size, skb, truesize);
613 , skb ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
620 inline void dbg_rtw_skb_free(struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
622 unsigned int truesize = skb->truesize;
624 //if(truesize > 4096)
625 // DBG_871X("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
636 inline struct sk_buff *dbg_rtw_skb_copy(const struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
638 struct sk_buff *skb_cp;
639 unsigned int truesize = skb->truesize;
640 unsigned int cp_truesize = 0;
642 skb_cp = _rtw_skb_copy(skb);
644 cp_truesize = skb_cp->truesize;
646 if(!skb_cp || cp_truesize != truesize /*||cp_truesize > 4096*/)
647 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%u), skb_cp:%p, cp_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cp, cp_truesize);
651 , skb_cp ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
658 inline struct sk_buff *dbg_rtw_skb_clone(struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
660 struct sk_buff *skb_cl;
661 unsigned int truesize = skb->truesize;
662 unsigned int cl_truesize = 0;
664 skb_cl = _rtw_skb_clone(skb);
666 cl_truesize = skb_cl->truesize;
668 if(!skb_cl || cl_truesize != truesize /*|| cl_truesize > 4096*/)
669 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%u), skb_cl:%p, cl_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cl, cl_truesize);
673 , skb_cl ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
680 inline int dbg_rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
683 unsigned int truesize = skb->truesize;
685 //if(truesize > 4096)
686 // DBG_871X("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
688 ret = _rtw_netif_rx(ndev, skb);
699 inline void dbg_rtw_skb_queue_purge(struct sk_buff_head *list, enum mstat_f flags, const char *func, int line)
703 while ((skb = skb_dequeue(list)) != NULL)
704 dbg_rtw_skb_free(skb, flags, func, line);
707 #ifdef CONFIG_USB_HCI
708 inline void *dbg_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma, const enum mstat_f flags, const char *func, int line)
711 //DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, size);
713 p = _rtw_usb_buffer_alloc(dev, size, dma);
717 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
724 inline void dbg_rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma, const enum mstat_f flags, const char *func, int line)
726 //DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, size);
728 _rtw_usb_buffer_free(dev, size, addr, dma);
736 #endif /* CONFIG_USB_HCI */
738 #endif /* defined(DBG_MEM_ALLOC) */
740 void* rtw_malloc2d(int h, int w, int size)
744 void **a = (void **) rtw_zmalloc( h*sizeof(void *) + h*w*size );
747 DBG_871X("%s: alloc memory fail!\n", __FUNCTION__);
752 a[j] = ((char *)(a+h)) + j*w*size;
757 void rtw_mfree2d(void *pbuf, int h, int w, int size)
759 rtw_mfree((u8 *)pbuf, h*sizeof(void*) + w*h*size);
762 void _rtw_memcpy(void* dst, void* src, u32 sz)
765 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
767 memcpy(dst, src, sz);
771 #ifdef PLATFORM_WINDOWS
773 NdisMoveMemory(dst, src, sz);
779 int _rtw_memcmp(void *dst, void *src, u32 sz)
782 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
783 //under Linux/GNU/GLibc, the return value of memcmp for two same mem. chunk is 0
785 if (!(memcmp(dst, src, sz)))
792 #ifdef PLATFORM_WINDOWS
793 //under Windows, the return value of NdisEqualMemory for two same mem. chunk is 1
795 if (NdisEqualMemory (dst, src, sz))
806 void _rtw_memset(void *pbuf, int c, u32 sz)
809 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
815 #ifdef PLATFORM_WINDOWS
817 NdisZeroMemory(pbuf, sz);
818 if (c != 0) memset(pbuf, c, sz);
820 NdisFillMemory(pbuf, sz, c);
826 #ifdef PLATFORM_FREEBSD
827 static inline void __list_add(_list *pnew, _list *pprev, _list *pnext)
834 #endif /* PLATFORM_FREEBSD */
837 void _rtw_init_listhead(_list *list)
840 #ifdef PLATFORM_LINUX
842 INIT_LIST_HEAD(list);
846 #ifdef PLATFORM_FREEBSD
850 #ifdef PLATFORM_WINDOWS
852 NdisInitializeListHead(list);
860 For the following list_xxx operations,
861 caller must guarantee the atomic context.
862 Otherwise, there will be racing condition.
864 u32 rtw_is_list_empty(_list *phead)
867 #ifdef PLATFORM_LINUX
869 if (list_empty(phead))
875 #ifdef PLATFORM_FREEBSD
877 if (phead->next == phead)
885 #ifdef PLATFORM_WINDOWS
887 if (IsListEmpty(phead))
897 void rtw_list_insert_head(_list *plist, _list *phead)
900 #ifdef PLATFORM_LINUX
901 list_add(plist, phead);
904 #ifdef PLATFORM_FREEBSD
905 __list_add(plist, phead, phead->next);
908 #ifdef PLATFORM_WINDOWS
909 InsertHeadList(phead, plist);
913 void rtw_list_insert_tail(_list *plist, _list *phead)
916 #ifdef PLATFORM_LINUX
918 list_add_tail(plist, phead);
921 #ifdef PLATFORM_FREEBSD
923 __list_add(plist, phead->prev, phead);
926 #ifdef PLATFORM_WINDOWS
928 InsertTailList(phead, plist);
934 void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc)
936 _adapter *adapter = (_adapter *)padapter;
938 #ifdef PLATFORM_LINUX
939 _init_timer(ptimer, adapter->pnetdev, pfunc, adapter);
941 #ifdef PLATFORM_FREEBSD
942 _init_timer(ptimer, adapter->pifp, pfunc, adapter->mlmepriv.nic_hdl);
944 #ifdef PLATFORM_WINDOWS
945 _init_timer(ptimer, adapter->hndis_adapter, pfunc, adapter->mlmepriv.nic_hdl);
951 Caller must check if the list is empty before calling rtw_list_delete
956 void _rtw_init_sema(_sema *sema, int init_val)
959 #ifdef PLATFORM_LINUX
961 sema_init(sema, init_val);
964 #ifdef PLATFORM_FREEBSD
965 sema_init(sema, init_val, "rtw_drv");
967 #ifdef PLATFORM_OS_XP
969 KeInitializeSemaphore(sema, init_val, SEMA_UPBND); // count=0;
973 #ifdef PLATFORM_OS_CE
975 *sema = CreateSemaphore(NULL, init_val, SEMA_UPBND, NULL);
980 void _rtw_free_sema(_sema *sema)
982 #ifdef PLATFORM_FREEBSD
985 #ifdef PLATFORM_OS_CE
991 void _rtw_up_sema(_sema *sema)
994 #ifdef PLATFORM_LINUX
999 #ifdef PLATFORM_FREEBSD
1002 #ifdef PLATFORM_OS_XP
1004 KeReleaseSemaphore(sema, IO_NETWORK_INCREMENT, 1, FALSE );
1008 #ifdef PLATFORM_OS_CE
1009 ReleaseSemaphore(*sema, 1, NULL );
1013 u32 _rtw_down_sema(_sema *sema)
1016 #ifdef PLATFORM_LINUX
1018 if (down_interruptible(sema))
1024 #ifdef PLATFORM_FREEBSD
1028 #ifdef PLATFORM_OS_XP
1030 if(STATUS_SUCCESS == KeWaitForSingleObject(sema, Executive, KernelMode, TRUE, NULL))
1036 #ifdef PLATFORM_OS_CE
1037 if(WAIT_OBJECT_0 == WaitForSingleObject(*sema, INFINITE ))
1046 void _rtw_mutex_init(_mutex *pmutex)
1048 #ifdef PLATFORM_LINUX
1050 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1057 #ifdef PLATFORM_FREEBSD
1058 mtx_init(pmutex, "", NULL, MTX_DEF|MTX_RECURSE);
1060 #ifdef PLATFORM_OS_XP
1062 KeInitializeMutex(pmutex, 0);
1066 #ifdef PLATFORM_OS_CE
1067 *pmutex = CreateMutex( NULL, _FALSE, NULL);
1071 void _rtw_mutex_free(_mutex *pmutex);
1072 void _rtw_mutex_free(_mutex *pmutex)
1074 #ifdef PLATFORM_LINUX
1076 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1077 mutex_destroy(pmutex);
1081 #ifdef PLATFORM_FREEBSD
1082 sema_destroy(pmutex);
1087 #ifdef PLATFORM_OS_XP
1091 #ifdef PLATFORM_OS_CE
1096 void _rtw_spinlock_init(_lock *plock)
1099 #ifdef PLATFORM_LINUX
1101 spin_lock_init(plock);
1104 #ifdef PLATFORM_FREEBSD
1105 mtx_init(plock, "", NULL, MTX_DEF|MTX_RECURSE);
1107 #ifdef PLATFORM_WINDOWS
1109 NdisAllocateSpinLock(plock);
1115 void _rtw_spinlock_free(_lock *plock)
1117 #ifdef PLATFORM_FREEBSD
1121 #ifdef PLATFORM_WINDOWS
1123 NdisFreeSpinLock(plock);
1128 #ifdef PLATFORM_FREEBSD
1129 extern PADAPTER prtw_lock;
1131 void rtw_mtx_lock(_lock *plock){
1133 mtx_lock(&prtw_lock->glock);
1136 printf("%s prtw_lock==NULL",__FUNCTION__);
1139 void rtw_mtx_unlock(_lock *plock){
1141 mtx_unlock(&prtw_lock->glock);
1144 printf("%s prtw_lock==NULL",__FUNCTION__);
1148 #endif //PLATFORM_FREEBSD
1151 void _rtw_spinlock(_lock *plock)
1154 #ifdef PLATFORM_LINUX
1159 #ifdef PLATFORM_FREEBSD
1162 #ifdef PLATFORM_WINDOWS
1164 NdisAcquireSpinLock(plock);
1170 void _rtw_spinunlock(_lock *plock)
1173 #ifdef PLATFORM_LINUX
1178 #ifdef PLATFORM_FREEBSD
1181 #ifdef PLATFORM_WINDOWS
1183 NdisReleaseSpinLock(plock);
1189 void _rtw_spinlock_ex(_lock *plock)
1192 #ifdef PLATFORM_LINUX
1197 #ifdef PLATFORM_FREEBSD
1200 #ifdef PLATFORM_WINDOWS
1202 NdisDprAcquireSpinLock(plock);
1208 void _rtw_spinunlock_ex(_lock *plock)
1211 #ifdef PLATFORM_LINUX
1216 #ifdef PLATFORM_FREEBSD
1219 #ifdef PLATFORM_WINDOWS
1221 NdisDprReleaseSpinLock(plock);
1228 void _rtw_init_queue(_queue *pqueue)
1231 _rtw_init_listhead(&(pqueue->queue));
1233 _rtw_spinlock_init(&(pqueue->lock));
1237 u32 _rtw_queue_empty(_queue *pqueue)
1239 return (rtw_is_list_empty(&(pqueue->queue)));
1243 u32 rtw_end_of_queue_search(_list *head, _list *plist)
1252 u32 rtw_get_current_time(void)
1255 #ifdef PLATFORM_LINUX
1258 #ifdef PLATFORM_FREEBSD
1263 #ifdef PLATFORM_WINDOWS
1264 LARGE_INTEGER SystemTime;
1265 NdisGetCurrentSystemTime(&SystemTime);
1266 return (u32)(SystemTime.LowPart);// count of 100-nanosecond intervals
1270 inline u32 rtw_systime_to_ms(u32 systime)
1272 #ifdef PLATFORM_LINUX
1273 return systime * 1000 / HZ;
1275 #ifdef PLATFORM_FREEBSD
1276 return systime * 1000;
1278 #ifdef PLATFORM_WINDOWS
1279 return systime / 10000 ;
1283 inline u32 rtw_ms_to_systime(u32 ms)
1285 #ifdef PLATFORM_LINUX
1286 return ms * HZ / 1000;
1288 #ifdef PLATFORM_FREEBSD
1291 #ifdef PLATFORM_WINDOWS
1296 // the input parameter start use the same unit as returned by rtw_get_current_time
1297 inline s32 rtw_get_passing_time_ms(u32 start)
1299 #ifdef PLATFORM_LINUX
1300 return rtw_systime_to_ms(jiffies-start);
1302 #ifdef PLATFORM_FREEBSD
1303 return rtw_systime_to_ms(rtw_get_current_time());
1305 #ifdef PLATFORM_WINDOWS
1306 LARGE_INTEGER SystemTime;
1307 NdisGetCurrentSystemTime(&SystemTime);
1308 return rtw_systime_to_ms((u32)(SystemTime.LowPart) - start) ;
1312 inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
1314 #ifdef PLATFORM_LINUX
1315 return rtw_systime_to_ms(end-start);
1317 #ifdef PLATFORM_FREEBSD
1318 return rtw_systime_to_ms(rtw_get_current_time());
1320 #ifdef PLATFORM_WINDOWS
1321 return rtw_systime_to_ms(end-start);
1326 void rtw_sleep_schedulable(int ms)
1329 #ifdef PLATFORM_LINUX
1333 delta = (ms * HZ)/1000;//(ms)
1337 set_current_state(TASK_INTERRUPTIBLE);
1338 if (schedule_timeout(delta) != 0) {
1344 #ifdef PLATFORM_FREEBSD
1349 #ifdef PLATFORM_WINDOWS
1351 NdisMSleep(ms*1000); //(us)*1000=(ms)
1358 void rtw_msleep_os(int ms)
1361 #ifdef PLATFORM_LINUX
1363 msleep((unsigned int)ms);
1366 #ifdef PLATFORM_FREEBSD
1367 //Delay for delay microseconds
1371 #ifdef PLATFORM_WINDOWS
1373 NdisMSleep(ms*1000); //(us)*1000=(ms)
1379 void rtw_usleep_os(int us)
1382 #ifdef PLATFORM_LINUX
1384 // msleep((unsigned int)us);
1385 if ( 1 < (us/1000) )
1388 msleep( (us/1000) + 1);
1391 #ifdef PLATFORM_FREEBSD
1392 //Delay for delay microseconds
1397 #ifdef PLATFORM_WINDOWS
1399 NdisMSleep(us); //(us)
1408 void _rtw_mdelay_os(int ms, const char *func, const int line)
1412 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1418 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1420 #if defined(PLATFORM_LINUX)
1422 mdelay((unsigned long)ms);
1424 #elif defined(PLATFORM_WINDOWS)
1426 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1432 void _rtw_udelay_os(int us, const char *func, const int line)
1437 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1444 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1447 #if defined(PLATFORM_LINUX)
1449 udelay((unsigned long)us);
1451 #elif defined(PLATFORM_WINDOWS)
1453 NdisStallExecution(us); //(us)
1459 void rtw_mdelay_os(int ms)
1462 #ifdef PLATFORM_LINUX
1464 mdelay((unsigned long)ms);
1467 #ifdef PLATFORM_FREEBSD
1471 #ifdef PLATFORM_WINDOWS
1473 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1479 void rtw_udelay_os(int us)
1482 #ifdef PLATFORM_LINUX
1484 udelay((unsigned long)us);
1487 #ifdef PLATFORM_FREEBSD
1488 //Delay for delay microseconds
1492 #ifdef PLATFORM_WINDOWS
1494 NdisStallExecution(us); //(us)
1503 #ifdef PLATFORM_LINUX
1506 #ifdef PLATFORM_FREEBSD
1509 #ifdef PLATFORM_WINDOWS
1514 #define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
1515 #define RTW_SUSPEND_EXT_LOCK_NAME "rtw_wifi_ext"
1516 #define RTW_SUSPEND_RX_LOCK_NAME "rtw_wifi_rx"
1517 #define RTW_SUSPEND_TRAFFIC_LOCK_NAME "rtw_wifi_traffic"
1518 #define RTW_SUSPEND_RESUME_LOCK_NAME "rtw_wifi_resume"
1519 #define RTW_RESUME_SCAN_LOCK_NAME "rtw_wifi_scan"
1520 #ifdef CONFIG_WAKELOCK
1521 static struct wake_lock rtw_suspend_lock;
1522 static struct wake_lock rtw_suspend_ext_lock;
1523 static struct wake_lock rtw_suspend_rx_lock;
1524 static struct wake_lock rtw_suspend_traffic_lock;
1525 static struct wake_lock rtw_suspend_resume_lock;
1526 static struct wake_lock rtw_resume_scan_lock;
1527 #elif defined(CONFIG_ANDROID_POWER)
1528 static android_suspend_lock_t rtw_suspend_lock ={
1529 .name = RTW_SUSPEND_LOCK_NAME
1531 static android_suspend_lock_t rtw_suspend_ext_lock ={
1532 .name = RTW_SUSPEND_EXT_LOCK_NAME
1534 static android_suspend_lock_t rtw_suspend_rx_lock ={
1535 .name = RTW_SUSPEND_RX_LOCK_NAME
1537 static android_suspend_lock_t rtw_suspend_traffic_lock ={
1538 .name = RTW_SUSPEND_TRAFFIC_LOCK_NAME
1540 static android_suspend_lock_t rtw_suspend_resume_lock ={
1541 .name = RTW_SUSPEND_RESUME_LOCK_NAME
1543 static android_suspend_lock_t rtw_resume_scan_lock ={
1544 .name = RTW_RESUME_SCAN_LOCK_NAME
1548 inline void rtw_suspend_lock_init()
1550 #ifdef CONFIG_WAKELOCK
1551 wake_lock_init(&rtw_suspend_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_LOCK_NAME);
1552 wake_lock_init(&rtw_suspend_ext_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_EXT_LOCK_NAME);
1553 wake_lock_init(&rtw_suspend_rx_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RX_LOCK_NAME);
1554 wake_lock_init(&rtw_suspend_traffic_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_TRAFFIC_LOCK_NAME);
1555 wake_lock_init(&rtw_suspend_resume_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RESUME_LOCK_NAME);
1556 wake_lock_init(&rtw_resume_scan_lock, WAKE_LOCK_SUSPEND, RTW_RESUME_SCAN_LOCK_NAME);
1557 #elif defined(CONFIG_ANDROID_POWER)
1558 android_init_suspend_lock(&rtw_suspend_lock);
1559 android_init_suspend_lock(&rtw_suspend_ext_lock);
1560 android_init_suspend_lock(&rtw_suspend_rx_lock);
1561 android_init_suspend_lock(&rtw_suspend_traffic_lock);
1562 android_init_suspend_lock(&rtw_suspend_resume_lock);
1563 android_init_suspend_lock(&rtw_resume_scan_lock);
1567 inline void rtw_suspend_lock_uninit()
1569 #ifdef CONFIG_WAKELOCK
1570 wake_lock_destroy(&rtw_suspend_lock);
1571 wake_lock_destroy(&rtw_suspend_ext_lock);
1572 wake_lock_destroy(&rtw_suspend_rx_lock);
1573 wake_lock_destroy(&rtw_suspend_traffic_lock);
1574 wake_lock_destroy(&rtw_suspend_resume_lock);
1575 wake_lock_destroy(&rtw_resume_scan_lock);
1576 #elif defined(CONFIG_ANDROID_POWER)
1577 android_uninit_suspend_lock(&rtw_suspend_lock);
1578 android_uninit_suspend_lock(&rtw_suspend_ext_lock);
1579 android_uninit_suspend_lock(&rtw_suspend_rx_lock);
1580 android_uninit_suspend_lock(&rtw_suspend_traffic_lock);
1581 android_uninit_suspend_lock(&rtw_suspend_resume_lock);
1582 android_uninit_suspend_lock(&rtw_resume_scan_lock);
1586 inline void rtw_lock_suspend(void)
1588 #ifdef CONFIG_WAKELOCK
1589 wake_lock(&rtw_suspend_lock);
1590 #elif defined(CONFIG_ANDROID_POWER)
1591 android_lock_suspend(&rtw_suspend_lock);
1594 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1595 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1599 inline void rtw_unlock_suspend(void)
1601 #ifdef CONFIG_WAKELOCK
1602 wake_unlock(&rtw_suspend_lock);
1603 #elif defined(CONFIG_ANDROID_POWER)
1604 android_unlock_suspend(&rtw_suspend_lock);
1607 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1608 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1612 inline void rtw_resume_lock_suspend(void)
1614 #ifdef CONFIG_WAKELOCK
1615 wake_lock(&rtw_suspend_resume_lock);
1616 #elif defined(CONFIG_ANDROID_POWER)
1617 android_lock_suspend(&rtw_suspend_resume_lock);
1620 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1621 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1625 inline void rtw_resume_unlock_suspend(void)
1627 #ifdef CONFIG_WAKELOCK
1628 wake_unlock(&rtw_suspend_resume_lock);
1629 #elif defined(CONFIG_ANDROID_POWER)
1630 android_unlock_suspend(&rtw_suspend_resume_lock);
1633 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1634 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1638 inline void rtw_lock_suspend_timeout(u32 timeout_ms)
1640 #ifdef CONFIG_WAKELOCK
1641 wake_lock_timeout(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1642 #elif defined(CONFIG_ANDROID_POWER)
1643 android_lock_suspend_auto_expire(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1647 inline void rtw_lock_ext_suspend_timeout(u32 timeout_ms)
1649 #ifdef CONFIG_WAKELOCK
1650 wake_lock_timeout(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1651 #elif defined(CONFIG_ANDROID_POWER)
1652 android_lock_suspend_auto_expire(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1654 //DBG_871X("EXT lock timeout:%d\n", timeout_ms);
1657 inline void rtw_lock_rx_suspend_timeout(u32 timeout_ms)
1659 #ifdef CONFIG_WAKELOCK
1660 wake_lock_timeout(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1661 #elif defined(CONFIG_ANDROID_POWER)
1662 android_lock_suspend_auto_expire(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1664 //DBG_871X("RX lock timeout:%d\n", timeout_ms);
1668 inline void rtw_lock_traffic_suspend_timeout(u32 timeout_ms)
1670 #ifdef CONFIG_WAKELOCK
1671 wake_lock_timeout(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1672 #elif defined(CONFIG_ANDROID_POWER)
1673 android_lock_suspend_auto_expire(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1675 //DBG_871X("traffic lock timeout:%d\n", timeout_ms);
1678 inline void rtw_lock_resume_scan_timeout(u32 timeout_ms)
1680 #ifdef CONFIG_WAKELOCK
1681 wake_lock_timeout(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1682 #elif defined(CONFIG_ANDROID_POWER)
1683 android_lock_suspend_auto_expire(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1685 //DBG_871X("resume scan lock:%d\n", timeout_ms);
1688 inline void ATOMIC_SET(ATOMIC_T *v, int i)
1690 #ifdef PLATFORM_LINUX
1692 #elif defined(PLATFORM_WINDOWS)
1693 *v=i;// other choice????
1694 #elif defined(PLATFORM_FREEBSD)
1695 atomic_set_int(v,i);
1699 inline int ATOMIC_READ(ATOMIC_T *v)
1701 #ifdef PLATFORM_LINUX
1702 return atomic_read(v);
1703 #elif defined(PLATFORM_WINDOWS)
1704 return *v; // other choice????
1705 #elif defined(PLATFORM_FREEBSD)
1706 return atomic_load_acq_32(v);
1710 inline void ATOMIC_ADD(ATOMIC_T *v, int i)
1712 #ifdef PLATFORM_LINUX
1714 #elif defined(PLATFORM_WINDOWS)
1715 InterlockedAdd(v,i);
1716 #elif defined(PLATFORM_FREEBSD)
1717 atomic_add_int(v,i);
1720 inline void ATOMIC_SUB(ATOMIC_T *v, int i)
1722 #ifdef PLATFORM_LINUX
1724 #elif defined(PLATFORM_WINDOWS)
1725 InterlockedAdd(v,-i);
1726 #elif defined(PLATFORM_FREEBSD)
1727 atomic_subtract_int(v,i);
1731 inline void ATOMIC_INC(ATOMIC_T *v)
1733 #ifdef PLATFORM_LINUX
1735 #elif defined(PLATFORM_WINDOWS)
1736 InterlockedIncrement(v);
1737 #elif defined(PLATFORM_FREEBSD)
1738 atomic_add_int(v,1);
1742 inline void ATOMIC_DEC(ATOMIC_T *v)
1744 #ifdef PLATFORM_LINUX
1746 #elif defined(PLATFORM_WINDOWS)
1747 InterlockedDecrement(v);
1748 #elif defined(PLATFORM_FREEBSD)
1749 atomic_subtract_int(v,1);
1753 inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
1755 #ifdef PLATFORM_LINUX
1756 return atomic_add_return(i,v);
1757 #elif defined(PLATFORM_WINDOWS)
1758 return InterlockedAdd(v,i);
1759 #elif defined(PLATFORM_FREEBSD)
1760 atomic_add_int(v,i);
1761 return atomic_load_acq_32(v);
1765 inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
1767 #ifdef PLATFORM_LINUX
1768 return atomic_sub_return(i,v);
1769 #elif defined(PLATFORM_WINDOWS)
1770 return InterlockedAdd(v,-i);
1771 #elif defined(PLATFORM_FREEBSD)
1772 atomic_subtract_int(v,i);
1773 return atomic_load_acq_32(v);
1777 inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
1779 #ifdef PLATFORM_LINUX
1780 return atomic_inc_return(v);
1781 #elif defined(PLATFORM_WINDOWS)
1782 return InterlockedIncrement(v);
1783 #elif defined(PLATFORM_FREEBSD)
1784 atomic_add_int(v,1);
1785 return atomic_load_acq_32(v);
1789 inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
1791 #ifdef PLATFORM_LINUX
1792 return atomic_dec_return(v);
1793 #elif defined(PLATFORM_WINDOWS)
1794 return InterlockedDecrement(v);
1795 #elif defined(PLATFORM_FREEBSD)
1796 atomic_subtract_int(v,1);
1797 return atomic_load_acq_32(v);
1802 #ifdef PLATFORM_LINUX
1804 * Open a file with the specific @param path, @param flag, @param mode
1805 * @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
1806 * @param path the path of the file to open
1807 * @param flag file operation flags, please refer to linux document
1808 * @param mode please refer to linux document
1809 * @return Linux specific error code
1811 static int openFile(struct file **fpp, char *path, int flag, int mode)
1815 fp=filp_open(path, flag, mode);
1827 * Close the file with the specific @param fp
1828 * @param fp the pointer of struct file to close
1831 static int closeFile(struct file *fp)
1833 filp_close(fp,NULL);
1837 static int readFile(struct file *fp,char *buf,int len)
1841 if (!fp->f_op || !fp->f_op->read)
1845 rlen=fp->f_op->read(fp,buf+sum,len-sum, &fp->f_pos);
1858 static int writeFile(struct file *fp,char *buf,int len)
1862 if (!fp->f_op || !fp->f_op->write)
1866 wlen=fp->f_op->write(fp,buf+sum,len-sum, &fp->f_pos);
1880 * Test if the specifi @param path is a file and readable
1881 * @param path the path of the file to test
1882 * @return Linux specific error code
1884 static int isFileReadable(char *path)
1891 fp=filp_open(path, O_RDONLY, 0);
1896 oldfs = get_fs(); set_fs(get_ds());
1898 if(1!=readFile(fp, &buf, 1))
1902 filp_close(fp,NULL);
1908 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
1909 * @param path the path of the file to open and read
1910 * @param buf the starting address of the buffer to store file content
1911 * @param sz how many bytes to read at most
1912 * @return the byte we've read, or Linux specific error code
1914 static int retriveFromFile(char *path, u8* buf, u32 sz)
1921 if( 0 == (ret=openFile(&fp,path, O_RDONLY, 0)) ){
1922 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
1924 oldfs = get_fs(); set_fs(get_ds());
1925 ret=readFile(fp, buf, sz);
1929 DBG_871X("%s readFile, ret:%d\n",__FUNCTION__, ret);
1932 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
1935 DBG_871X("%s NULL pointer\n",__FUNCTION__);
1942 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
1943 * @param path the path of the file to open and write
1944 * @param buf the starting address of the data to write into file
1945 * @param sz how many bytes to write at most
1946 * @return the byte we've written, or Linux specific error code
1948 static int storeToFile(char *path, u8* buf, u32 sz)
1955 if( 0 == (ret=openFile(&fp, path, O_CREAT|O_WRONLY, 0666)) ) {
1956 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
1958 oldfs = get_fs(); set_fs(get_ds());
1959 ret=writeFile(fp, buf, sz);
1963 DBG_871X("%s writeFile, ret:%d\n",__FUNCTION__, ret);
1966 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
1969 DBG_871X("%s NULL pointer\n",__FUNCTION__);
1974 #endif //PLATFORM_LINUX
1977 * Test if the specifi @param path is a file and readable
1978 * @param path the path of the file to test
1979 * @return _TRUE or _FALSE
1981 int rtw_is_file_readable(char *path)
1983 #ifdef PLATFORM_LINUX
1984 if(isFileReadable(path) == 0)
1995 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
1996 * @param path the path of the file to open and read
1997 * @param buf the starting address of the buffer to store file content
1998 * @param sz how many bytes to read at most
1999 * @return the byte we've read
2001 int rtw_retrive_from_file(char *path, u8* buf, u32 sz)
2003 #ifdef PLATFORM_LINUX
2004 int ret =retriveFromFile(path, buf, sz);
2005 return ret>=0?ret:0;
2013 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
2014 * @param path the path of the file to open and write
2015 * @param buf the starting address of the data to write into file
2016 * @param sz how many bytes to write at most
2017 * @return the byte we've written
2019 int rtw_store_to_file(char *path, u8* buf, u32 sz)
2021 #ifdef PLATFORM_LINUX
2022 int ret =storeToFile(path, buf, sz);
2023 return ret>=0?ret:0;
2030 #ifdef PLATFORM_LINUX
2031 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv)
2033 struct net_device *pnetdev;
2034 struct rtw_netdev_priv_indicator *pnpi;
2036 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2037 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2039 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2044 pnpi = netdev_priv(pnetdev);
2045 pnpi->priv=old_priv;
2046 pnpi->sizeof_priv=sizeof_priv;
2052 struct net_device *rtw_alloc_etherdev(int sizeof_priv)
2054 struct net_device *pnetdev;
2055 struct rtw_netdev_priv_indicator *pnpi;
2057 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2058 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2060 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2065 pnpi = netdev_priv(pnetdev);
2067 pnpi->priv = rtw_zvmalloc(sizeof_priv);
2069 free_netdev(pnetdev);
2074 pnpi->sizeof_priv=sizeof_priv;
2079 void rtw_free_netdev(struct net_device * netdev)
2081 struct rtw_netdev_priv_indicator *pnpi;
2086 pnpi = netdev_priv(netdev);
2091 rtw_vmfree(pnpi->priv, pnpi->sizeof_priv);
2092 free_netdev(netdev);
2099 * Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
2100 * LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
2102 int rtw_change_ifname(_adapter *padapter, const char *ifname)
2104 struct net_device *pnetdev;
2105 struct net_device *cur_pnetdev = padapter->pnetdev;
2106 struct rereg_nd_name_data *rereg_priv;
2112 rereg_priv = &padapter->rereg_nd_name_priv;
2114 //free the old_pnetdev
2115 if(rereg_priv->old_pnetdev) {
2116 free_netdev(rereg_priv->old_pnetdev);
2117 rereg_priv->old_pnetdev = NULL;
2120 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2121 if(!rtnl_is_locked())
2122 unregister_netdev(cur_pnetdev);
2125 unregister_netdevice(cur_pnetdev);
2127 rereg_priv->old_pnetdev=cur_pnetdev;
2129 pnetdev = rtw_init_netdev(padapter);
2135 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
2137 rtw_init_netdev_name(pnetdev, ifname);
2139 _rtw_memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2141 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2142 if(!rtnl_is_locked())
2143 ret = register_netdev(pnetdev);
2146 ret = register_netdevice(pnetdev);
2149 RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
2162 #ifdef PLATFORM_FREEBSD
2164 * Copy a buffer from userspace and write into kernel address
2167 * This emulation just calls the FreeBSD copyin function (to
2168 * copy data from user space buffer into a kernel space buffer)
2169 * and is designed to be used with the above io_write_wrapper.
2171 * This function should return the number of bytes not copied.
2172 * I.e. success results in a zero value.
2173 * Negative error values are not returned.
2176 copy_from_user(void *to, const void *from, unsigned long n)
2178 if ( copyin(from, to, n) != 0 ) {
2179 /* Any errors will be treated as a failure
2180 to copy any of the requested bytes */
2188 copy_to_user(void *to, const void *from, unsigned long n)
2190 if ( copyout(from, to, n) != 0 ) {
2191 /* Any errors will be treated as a failure
2192 to copy any of the requested bytes */
2201 * The usb_register and usb_deregister functions are used to register
2202 * usb drivers with the usb subsystem. In this compatibility layer
2203 * emulation a list of drivers (struct usb_driver) is maintained
2204 * and is used for probing/attaching etc.
2206 * usb_register and usb_deregister simply call these functions.
2209 usb_register(struct usb_driver *driver)
2211 rtw_usb_linux_register(driver);
2217 usb_deregister(struct usb_driver *driver)
2219 rtw_usb_linux_deregister(driver);
2223 void module_init_exit_wrapper(void *arg)
2225 int (*func)(void) = arg;
2230 #endif //PLATFORM_FREEBSD
2232 #ifdef CONFIG_PLATFORM_SPRD
2236 #include <asm-generic/div64.h>
2239 u64 rtw_modular64(u64 x, u64 y)
2241 #ifdef PLATFORM_LINUX
2242 return do_div(x, y);
2243 #elif defined(PLATFORM_WINDOWS)
2245 #elif defined(PLATFORM_FREEBSD)
2250 u64 rtw_division64(u64 x, u64 y)
2252 #ifdef PLATFORM_LINUX
2255 #elif defined(PLATFORM_WINDOWS)
2257 #elif defined(PLATFORM_FREEBSD)
2262 inline u32 rtw_random32(void)
2264 #ifdef PLATFORM_LINUX
2265 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
2266 return prandom_u32();
2270 #elif defined(PLATFORM_WINDOWS)
2271 #error "to be implemented\n"
2272 #elif defined(PLATFORM_FREEBSD)
2273 #error "to be implemented\n"
2277 void rtw_buf_free(u8 **buf, u32 *buf_len)
2281 if (!buf || !buf_len)
2287 u32 tmp_buf_len = *buf_len;
2289 rtw_mfree(*buf, tmp_buf_len);
2294 void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
2296 u32 ori_len = 0, dup_len = 0;
2300 if (!buf || !buf_len)
2303 if (!src || !src_len)
2307 dup = rtw_malloc(src_len);
2310 _rtw_memcpy(dup, src, dup_len);
2317 /* replace buf with dup */
2323 if (ori && ori_len > 0)
2324 rtw_mfree(ori, ori_len);
2329 * rtw_cbuf_full - test if cbuf is full
2330 * @cbuf: pointer of struct rtw_cbuf
2332 * Returns: _TRUE if cbuf is full
2334 inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
2336 return (cbuf->write == cbuf->read-1)? _TRUE : _FALSE;
2340 * rtw_cbuf_empty - test if cbuf is empty
2341 * @cbuf: pointer of struct rtw_cbuf
2343 * Returns: _TRUE if cbuf is empty
2345 inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
2347 return (cbuf->write == cbuf->read)? _TRUE : _FALSE;
2351 * rtw_cbuf_push - push a pointer into cbuf
2352 * @cbuf: pointer of struct rtw_cbuf
2353 * @buf: pointer to push in
2355 * Lock free operation, be careful of the use scheme
2356 * Returns: _TRUE push success
2358 bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
2360 if (rtw_cbuf_full(cbuf))
2364 DBG_871X("%s on %u\n", __func__, cbuf->write);
2365 cbuf->bufs[cbuf->write] = buf;
2366 cbuf->write = (cbuf->write+1)%cbuf->size;
2372 * rtw_cbuf_pop - pop a pointer from cbuf
2373 * @cbuf: pointer of struct rtw_cbuf
2375 * Lock free operation, be careful of the use scheme
2376 * Returns: pointer popped out
2378 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
2381 if (rtw_cbuf_empty(cbuf))
2385 DBG_871X("%s on %u\n", __func__, cbuf->read);
2386 buf = cbuf->bufs[cbuf->read];
2387 cbuf->read = (cbuf->read+1)%cbuf->size;
2393 * rtw_cbuf_alloc - allocte a rtw_cbuf with given size and do initialization
2394 * @size: size of pointer
2396 * Returns: pointer of srtuct rtw_cbuf, NULL for allocation failure
2398 struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
2400 struct rtw_cbuf *cbuf;
2402 cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) + sizeof(void*)*size);
2405 cbuf->write = cbuf->read = 0;
2413 * rtw_cbuf_free - free the given rtw_cbuf
2414 * @cbuf: pointer of struct rtw_cbuf to free
2416 void rtw_cbuf_free(struct rtw_cbuf *cbuf)
2418 rtw_mfree((u8*)cbuf, sizeof(*cbuf) + sizeof(void*)*cbuf->size);