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 #ifdef RTW_MEM_FUNC_STAT
383 struct rtw_mem_stat rtw_mem_func_stat[mstat_ff_idx(MSTAT_FUNC_MAX)];
386 char *MSTAT_TYPE_str[] = {
393 #ifdef RTW_MEM_FUNC_STAT
394 char *MSTAT_FUNC_str[] = {
404 void rtw_mstat_dump(void *sel)
407 int value_t[4][mstat_tf_idx(MSTAT_TYPE_MAX)];
408 #ifdef RTW_MEM_FUNC_STAT
409 int value_f[4][mstat_ff_idx(MSTAT_FUNC_MAX)];
412 int vir_alloc, vir_peak, vir_alloc_err, phy_alloc, phy_peak, phy_alloc_err;
413 int tx_alloc, tx_peak, tx_alloc_err, rx_alloc, rx_peak, rx_alloc_err;
415 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
416 value_t[0][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc));
417 value_t[1][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].peak));
418 value_t[2][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_cnt));
419 value_t[3][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_err_cnt));
422 #ifdef RTW_MEM_FUNC_STAT
423 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
424 value_f[0][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc));
425 value_f[1][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].peak));
426 value_f[2][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_cnt));
427 value_f[3][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_err_cnt));
431 DBG_871X_SEL_NL(sel, "===================== MSTAT =====================\n");
432 DBG_871X_SEL_NL(sel, "%4s %10s %10s %10s %10s\n", "TAG", "alloc", "peak", "aloc_cnt", "err_cnt");
433 DBG_871X_SEL_NL(sel, "-------------------------------------------------\n");
434 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
435 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]);
437 #ifdef RTW_MEM_FUNC_STAT
438 DBG_871X_SEL_NL(sel, "-------------------------------------------------\n");
439 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
440 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]);
445 void rtw_mstat_update(const enum mstat_f flags, const MSTAT_STATUS status, u32 sz)
447 static u32 update_time = 0;
453 for(i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
454 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc), 0);
455 ATOMIC_SET(&(rtw_mem_type_stat[i].peak), 0);
456 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_cnt), 0);
457 ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_err_cnt), 0);
459 #ifdef RTW_MEM_FUNC_STAT
460 for(i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
461 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc), 0);
462 ATOMIC_SET(&(rtw_mem_func_stat[i].peak), 0);
463 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_cnt), 0);
464 ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_err_cnt), 0);
470 case MSTAT_ALLOC_SUCCESS:
471 ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
472 alloc = ATOMIC_ADD_RETURN(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
473 peak=ATOMIC_READ(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak));
475 ATOMIC_SET(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak), alloc);
477 #ifdef RTW_MEM_FUNC_STAT
478 ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
479 alloc = ATOMIC_ADD_RETURN(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
480 peak=ATOMIC_READ(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak));
482 ATOMIC_SET(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak), alloc);
486 case MSTAT_ALLOC_FAIL:
487 ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_err_cnt));
488 #ifdef RTW_MEM_FUNC_STAT
489 ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_err_cnt));
494 ATOMIC_DEC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
495 ATOMIC_SUB(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
496 #ifdef RTW_MEM_FUNC_STAT
497 ATOMIC_DEC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
498 ATOMIC_SUB(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
503 //if (rtw_get_passing_time_ms(update_time) > 5000) {
504 // rtw_mstat_dump(RTW_DBGDUMP);
505 update_time=rtw_get_current_time();
510 #define SIZE_MAX (~(size_t)0)
513 struct mstat_sniff_rule {
519 struct mstat_sniff_rule mstat_sniff_rules[] = {
520 {MSTAT_TYPE_PHY, 4097, SIZE_MAX},
523 int mstat_sniff_rule_num = sizeof(mstat_sniff_rules)/sizeof(struct mstat_sniff_rule);
525 bool match_mstat_sniff_rules(const enum mstat_f flags, const size_t size)
528 for (i = 0; i<mstat_sniff_rule_num; i++) {
529 if (mstat_sniff_rules[i].flags == flags
530 && mstat_sniff_rules[i].lb <= size
531 && mstat_sniff_rules[i].hb >= size)
538 inline u8* dbg_rtw_vmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
542 if (match_mstat_sniff_rules(flags, sz))
543 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
545 p=_rtw_vmalloc((sz));
549 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
556 inline u8* dbg_rtw_zvmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
560 if (match_mstat_sniff_rules(flags, sz))
561 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
563 p=_rtw_zvmalloc((sz));
567 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
574 inline void dbg_rtw_vmfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
577 if (match_mstat_sniff_rules(flags, sz))
578 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
580 _rtw_vmfree((pbuf), (sz));
589 inline u8* dbg_rtw_malloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
593 if (match_mstat_sniff_rules(flags, sz))
594 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
600 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
607 inline u8* dbg_rtw_zmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
611 if (match_mstat_sniff_rules(flags, sz))
612 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
614 p = _rtw_zmalloc((sz));
618 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
625 inline void dbg_rtw_mfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
627 if (match_mstat_sniff_rules(flags, sz))
628 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
630 _rtw_mfree((pbuf), (sz));
639 inline struct sk_buff * dbg_rtw_skb_alloc(unsigned int size, const enum mstat_f flags, const char *func, int line)
642 unsigned int truesize = 0;
644 skb = _rtw_skb_alloc(size);
647 truesize = skb->truesize;
649 if(!skb || truesize < size || match_mstat_sniff_rules(flags, truesize))
650 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%d), skb:%p, truesize=%u\n", func, line, __FUNCTION__, size, skb, truesize);
654 , skb ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
661 inline void dbg_rtw_skb_free(struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
663 unsigned int truesize = skb->truesize;
665 if(match_mstat_sniff_rules(flags, truesize))
666 DBG_871X("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
677 inline struct sk_buff *dbg_rtw_skb_copy(const struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
679 struct sk_buff *skb_cp;
680 unsigned int truesize = skb->truesize;
681 unsigned int cp_truesize = 0;
683 skb_cp = _rtw_skb_copy(skb);
685 cp_truesize = skb_cp->truesize;
687 if(!skb_cp || cp_truesize < truesize || match_mstat_sniff_rules(flags, cp_truesize))
688 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%u), skb_cp:%p, cp_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cp, cp_truesize);
692 , skb_cp ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
699 inline struct sk_buff *dbg_rtw_skb_clone(struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
701 struct sk_buff *skb_cl;
702 unsigned int truesize = skb->truesize;
703 unsigned int cl_truesize = 0;
705 skb_cl = _rtw_skb_clone(skb);
707 cl_truesize = skb_cl->truesize;
709 if(!skb_cl || cl_truesize < truesize || match_mstat_sniff_rules(flags, cl_truesize))
710 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%u), skb_cl:%p, cl_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cl, cl_truesize);
714 , skb_cl ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
721 inline int dbg_rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
724 unsigned int truesize = skb->truesize;
726 if(match_mstat_sniff_rules(flags, truesize))
727 DBG_871X("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
729 ret = _rtw_netif_rx(ndev, skb);
740 inline void dbg_rtw_skb_queue_purge(struct sk_buff_head *list, enum mstat_f flags, const char *func, int line)
744 while ((skb = skb_dequeue(list)) != NULL)
745 dbg_rtw_skb_free(skb, flags, func, line);
748 #ifdef CONFIG_USB_HCI
749 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)
753 if(match_mstat_sniff_rules(flags, size))
754 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%zu)\n", func, line, __FUNCTION__, size);
756 p = _rtw_usb_buffer_alloc(dev, size, dma);
760 , p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
767 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)
770 if(match_mstat_sniff_rules(flags, size))
771 DBG_871X("DBG_MEM_ALLOC %s:%d %s(%zu)\n", func, line, __FUNCTION__, size);
773 _rtw_usb_buffer_free(dev, size, addr, dma);
781 #endif /* CONFIG_USB_HCI */
783 #endif /* defined(DBG_MEM_ALLOC) */
785 void* rtw_malloc2d(int h, int w, size_t size)
789 void **a = (void **) rtw_zmalloc( h*sizeof(void *) + h*w*size );
792 DBG_871X("%s: alloc memory fail!\n", __FUNCTION__);
797 a[j] = ((char *)(a+h)) + j*w*size;
802 void rtw_mfree2d(void *pbuf, int h, int w, int size)
804 rtw_mfree((u8 *)pbuf, h*sizeof(void*) + w*h*size);
807 void _rtw_memcpy(void* dst, void* src, u32 sz)
810 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
812 memcpy(dst, src, sz);
816 #ifdef PLATFORM_WINDOWS
818 NdisMoveMemory(dst, src, sz);
824 int _rtw_memcmp(void *dst, void *src, u32 sz)
827 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
828 //under Linux/GNU/GLibc, the return value of memcmp for two same mem. chunk is 0
830 if (!(memcmp(dst, src, sz)))
837 #ifdef PLATFORM_WINDOWS
838 //under Windows, the return value of NdisEqualMemory for two same mem. chunk is 1
840 if (NdisEqualMemory (dst, src, sz))
851 void _rtw_memset(void *pbuf, int c, u32 sz)
854 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
860 #ifdef PLATFORM_WINDOWS
862 NdisZeroMemory(pbuf, sz);
863 if (c != 0) memset(pbuf, c, sz);
865 NdisFillMemory(pbuf, sz, c);
871 #ifdef PLATFORM_FREEBSD
872 static inline void __list_add(_list *pnew, _list *pprev, _list *pnext)
879 #endif /* PLATFORM_FREEBSD */
882 void _rtw_init_listhead(_list *list)
885 #ifdef PLATFORM_LINUX
887 INIT_LIST_HEAD(list);
891 #ifdef PLATFORM_FREEBSD
895 #ifdef PLATFORM_WINDOWS
897 NdisInitializeListHead(list);
905 For the following list_xxx operations,
906 caller must guarantee the atomic context.
907 Otherwise, there will be racing condition.
909 u32 rtw_is_list_empty(_list *phead)
912 #ifdef PLATFORM_LINUX
914 if (list_empty(phead))
920 #ifdef PLATFORM_FREEBSD
922 if (phead->next == phead)
930 #ifdef PLATFORM_WINDOWS
932 if (IsListEmpty(phead))
942 void rtw_list_insert_head(_list *plist, _list *phead)
945 #ifdef PLATFORM_LINUX
946 list_add(plist, phead);
949 #ifdef PLATFORM_FREEBSD
950 __list_add(plist, phead, phead->next);
953 #ifdef PLATFORM_WINDOWS
954 InsertHeadList(phead, plist);
958 void rtw_list_insert_tail(_list *plist, _list *phead)
961 #ifdef PLATFORM_LINUX
963 list_add_tail(plist, phead);
966 #ifdef PLATFORM_FREEBSD
968 __list_add(plist, phead->prev, phead);
971 #ifdef PLATFORM_WINDOWS
973 InsertTailList(phead, plist);
979 void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc)
981 _adapter *adapter = (_adapter *)padapter;
983 #ifdef PLATFORM_LINUX
984 _init_timer(ptimer, adapter->pnetdev, pfunc, adapter);
986 #ifdef PLATFORM_FREEBSD
987 _init_timer(ptimer, adapter->pifp, pfunc, adapter->mlmepriv.nic_hdl);
989 #ifdef PLATFORM_WINDOWS
990 _init_timer(ptimer, adapter->hndis_adapter, pfunc, adapter->mlmepriv.nic_hdl);
996 Caller must check if the list is empty before calling rtw_list_delete
1001 void _rtw_init_sema(_sema *sema, int init_val)
1004 #ifdef PLATFORM_LINUX
1006 sema_init(sema, init_val);
1009 #ifdef PLATFORM_FREEBSD
1010 sema_init(sema, init_val, "rtw_drv");
1012 #ifdef PLATFORM_OS_XP
1014 KeInitializeSemaphore(sema, init_val, SEMA_UPBND); // count=0;
1018 #ifdef PLATFORM_OS_CE
1020 *sema = CreateSemaphore(NULL, init_val, SEMA_UPBND, NULL);
1025 void _rtw_free_sema(_sema *sema)
1027 #ifdef PLATFORM_FREEBSD
1030 #ifdef PLATFORM_OS_CE
1036 void _rtw_up_sema(_sema *sema)
1039 #ifdef PLATFORM_LINUX
1044 #ifdef PLATFORM_FREEBSD
1047 #ifdef PLATFORM_OS_XP
1049 KeReleaseSemaphore(sema, IO_NETWORK_INCREMENT, 1, FALSE );
1053 #ifdef PLATFORM_OS_CE
1054 ReleaseSemaphore(*sema, 1, NULL );
1058 u32 _rtw_down_sema(_sema *sema)
1061 #ifdef PLATFORM_LINUX
1063 if (down_interruptible(sema))
1069 #ifdef PLATFORM_FREEBSD
1073 #ifdef PLATFORM_OS_XP
1075 if(STATUS_SUCCESS == KeWaitForSingleObject(sema, Executive, KernelMode, TRUE, NULL))
1081 #ifdef PLATFORM_OS_CE
1082 if(WAIT_OBJECT_0 == WaitForSingleObject(*sema, INFINITE ))
1091 void _rtw_mutex_init(_mutex *pmutex)
1093 #ifdef PLATFORM_LINUX
1095 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1102 #ifdef PLATFORM_FREEBSD
1103 mtx_init(pmutex, "", NULL, MTX_DEF|MTX_RECURSE);
1105 #ifdef PLATFORM_OS_XP
1107 KeInitializeMutex(pmutex, 0);
1111 #ifdef PLATFORM_OS_CE
1112 *pmutex = CreateMutex( NULL, _FALSE, NULL);
1116 void _rtw_mutex_free(_mutex *pmutex);
1117 void _rtw_mutex_free(_mutex *pmutex)
1119 #ifdef PLATFORM_LINUX
1121 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1122 mutex_destroy(pmutex);
1126 #ifdef PLATFORM_FREEBSD
1127 sema_destroy(pmutex);
1132 #ifdef PLATFORM_OS_XP
1136 #ifdef PLATFORM_OS_CE
1141 void _rtw_spinlock_init(_lock *plock)
1144 #ifdef PLATFORM_LINUX
1146 spin_lock_init(plock);
1149 #ifdef PLATFORM_FREEBSD
1150 mtx_init(plock, "", NULL, MTX_DEF|MTX_RECURSE);
1152 #ifdef PLATFORM_WINDOWS
1154 NdisAllocateSpinLock(plock);
1160 void _rtw_spinlock_free(_lock *plock)
1162 #ifdef PLATFORM_FREEBSD
1166 #ifdef PLATFORM_WINDOWS
1168 NdisFreeSpinLock(plock);
1173 #ifdef PLATFORM_FREEBSD
1174 extern PADAPTER prtw_lock;
1176 void rtw_mtx_lock(_lock *plock){
1178 mtx_lock(&prtw_lock->glock);
1181 printf("%s prtw_lock==NULL",__FUNCTION__);
1184 void rtw_mtx_unlock(_lock *plock){
1186 mtx_unlock(&prtw_lock->glock);
1189 printf("%s prtw_lock==NULL",__FUNCTION__);
1193 #endif //PLATFORM_FREEBSD
1196 void _rtw_spinlock(_lock *plock)
1199 #ifdef PLATFORM_LINUX
1204 #ifdef PLATFORM_FREEBSD
1207 #ifdef PLATFORM_WINDOWS
1209 NdisAcquireSpinLock(plock);
1215 void _rtw_spinunlock(_lock *plock)
1218 #ifdef PLATFORM_LINUX
1223 #ifdef PLATFORM_FREEBSD
1226 #ifdef PLATFORM_WINDOWS
1228 NdisReleaseSpinLock(plock);
1234 void _rtw_spinlock_ex(_lock *plock)
1237 #ifdef PLATFORM_LINUX
1242 #ifdef PLATFORM_FREEBSD
1245 #ifdef PLATFORM_WINDOWS
1247 NdisDprAcquireSpinLock(plock);
1253 void _rtw_spinunlock_ex(_lock *plock)
1256 #ifdef PLATFORM_LINUX
1261 #ifdef PLATFORM_FREEBSD
1264 #ifdef PLATFORM_WINDOWS
1266 NdisDprReleaseSpinLock(plock);
1273 void _rtw_init_queue(_queue *pqueue)
1276 _rtw_init_listhead(&(pqueue->queue));
1278 _rtw_spinlock_init(&(pqueue->lock));
1282 u32 _rtw_queue_empty(_queue *pqueue)
1284 return (rtw_is_list_empty(&(pqueue->queue)));
1288 u32 rtw_end_of_queue_search(_list *head, _list *plist)
1297 u32 rtw_get_current_time(void)
1300 #ifdef PLATFORM_LINUX
1303 #ifdef PLATFORM_FREEBSD
1308 #ifdef PLATFORM_WINDOWS
1309 LARGE_INTEGER SystemTime;
1310 NdisGetCurrentSystemTime(&SystemTime);
1311 return (u32)(SystemTime.LowPart);// count of 100-nanosecond intervals
1315 inline u32 rtw_systime_to_ms(u32 systime)
1317 #ifdef PLATFORM_LINUX
1318 return systime * 1000 / HZ;
1320 #ifdef PLATFORM_FREEBSD
1321 return systime * 1000;
1323 #ifdef PLATFORM_WINDOWS
1324 return systime / 10000 ;
1328 inline u32 rtw_ms_to_systime(u32 ms)
1330 #ifdef PLATFORM_LINUX
1331 return ms * HZ / 1000;
1333 #ifdef PLATFORM_FREEBSD
1336 #ifdef PLATFORM_WINDOWS
1341 // the input parameter start use the same unit as returned by rtw_get_current_time
1342 inline s32 rtw_get_passing_time_ms(u32 start)
1344 #ifdef PLATFORM_LINUX
1345 return rtw_systime_to_ms(jiffies-start);
1347 #ifdef PLATFORM_FREEBSD
1348 return rtw_systime_to_ms(rtw_get_current_time());
1350 #ifdef PLATFORM_WINDOWS
1351 LARGE_INTEGER SystemTime;
1352 NdisGetCurrentSystemTime(&SystemTime);
1353 return rtw_systime_to_ms((u32)(SystemTime.LowPart) - start) ;
1357 inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
1359 #ifdef PLATFORM_LINUX
1360 return rtw_systime_to_ms(end-start);
1362 #ifdef PLATFORM_FREEBSD
1363 return rtw_systime_to_ms(rtw_get_current_time());
1365 #ifdef PLATFORM_WINDOWS
1366 return rtw_systime_to_ms(end-start);
1371 void rtw_sleep_schedulable(int ms)
1374 #ifdef PLATFORM_LINUX
1378 delta = (ms * HZ)/1000;//(ms)
1382 set_current_state(TASK_INTERRUPTIBLE);
1383 if (schedule_timeout(delta) != 0) {
1389 #ifdef PLATFORM_FREEBSD
1394 #ifdef PLATFORM_WINDOWS
1396 NdisMSleep(ms*1000); //(us)*1000=(ms)
1403 void rtw_msleep_os(int ms)
1406 #ifdef PLATFORM_LINUX
1407 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
1409 unsigned long us = ms * 1000UL;
1410 usleep_range(us, us + 1000UL);
1413 msleep((unsigned int)ms);
1416 #ifdef PLATFORM_FREEBSD
1417 //Delay for delay microseconds
1421 #ifdef PLATFORM_WINDOWS
1423 NdisMSleep(ms*1000); //(us)*1000=(ms)
1429 void rtw_usleep_os(int us)
1431 #ifdef PLATFORM_LINUX
1433 // msleep((unsigned int)us);
1434 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
1435 usleep_range(us, us + 1);
1437 if ( 1 < (us/1000) )
1440 msleep( (us/1000) + 1);
1444 #ifdef PLATFORM_FREEBSD
1445 //Delay for delay microseconds
1450 #ifdef PLATFORM_WINDOWS
1452 NdisMSleep(us); //(us)
1461 void _rtw_mdelay_os(int ms, const char *func, const int line)
1465 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1471 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1473 #if defined(PLATFORM_LINUX)
1475 mdelay((unsigned long)ms);
1477 #elif defined(PLATFORM_WINDOWS)
1479 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1485 void _rtw_udelay_os(int us, const char *func, const int line)
1490 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1497 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1500 #if defined(PLATFORM_LINUX)
1502 udelay((unsigned long)us);
1504 #elif defined(PLATFORM_WINDOWS)
1506 NdisStallExecution(us); //(us)
1512 void rtw_mdelay_os(int ms)
1515 #ifdef PLATFORM_LINUX
1517 mdelay((unsigned long)ms);
1520 #ifdef PLATFORM_FREEBSD
1524 #ifdef PLATFORM_WINDOWS
1526 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1532 void rtw_udelay_os(int us)
1535 #ifdef PLATFORM_LINUX
1537 udelay((unsigned long)us);
1540 #ifdef PLATFORM_FREEBSD
1541 //Delay for delay microseconds
1545 #ifdef PLATFORM_WINDOWS
1547 NdisStallExecution(us); //(us)
1556 #ifdef PLATFORM_LINUX
1559 #ifdef PLATFORM_FREEBSD
1562 #ifdef PLATFORM_WINDOWS
1567 #define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
1568 #define RTW_SUSPEND_EXT_LOCK_NAME "rtw_wifi_ext"
1569 #define RTW_SUSPEND_RX_LOCK_NAME "rtw_wifi_rx"
1570 #define RTW_SUSPEND_TRAFFIC_LOCK_NAME "rtw_wifi_traffic"
1571 #define RTW_SUSPEND_RESUME_LOCK_NAME "rtw_wifi_resume"
1572 #define RTW_RESUME_SCAN_LOCK_NAME "rtw_wifi_scan"
1573 #ifdef CONFIG_WAKELOCK
1574 static struct wake_lock rtw_suspend_lock;
1575 static struct wake_lock rtw_suspend_ext_lock;
1576 static struct wake_lock rtw_suspend_rx_lock;
1577 static struct wake_lock rtw_suspend_traffic_lock;
1578 static struct wake_lock rtw_suspend_resume_lock;
1579 static struct wake_lock rtw_resume_scan_lock;
1580 #elif defined(CONFIG_ANDROID_POWER)
1581 static android_suspend_lock_t rtw_suspend_lock ={
1582 .name = RTW_SUSPEND_LOCK_NAME
1584 static android_suspend_lock_t rtw_suspend_ext_lock ={
1585 .name = RTW_SUSPEND_EXT_LOCK_NAME
1587 static android_suspend_lock_t rtw_suspend_rx_lock ={
1588 .name = RTW_SUSPEND_RX_LOCK_NAME
1590 static android_suspend_lock_t rtw_suspend_traffic_lock ={
1591 .name = RTW_SUSPEND_TRAFFIC_LOCK_NAME
1593 static android_suspend_lock_t rtw_suspend_resume_lock ={
1594 .name = RTW_SUSPEND_RESUME_LOCK_NAME
1596 static android_suspend_lock_t rtw_resume_scan_lock ={
1597 .name = RTW_RESUME_SCAN_LOCK_NAME
1601 inline void rtw_suspend_lock_init()
1603 #ifdef CONFIG_WAKELOCK
1604 wake_lock_init(&rtw_suspend_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_LOCK_NAME);
1605 wake_lock_init(&rtw_suspend_ext_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_EXT_LOCK_NAME);
1606 wake_lock_init(&rtw_suspend_rx_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RX_LOCK_NAME);
1607 wake_lock_init(&rtw_suspend_traffic_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_TRAFFIC_LOCK_NAME);
1608 wake_lock_init(&rtw_suspend_resume_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RESUME_LOCK_NAME);
1609 wake_lock_init(&rtw_resume_scan_lock, WAKE_LOCK_SUSPEND, RTW_RESUME_SCAN_LOCK_NAME);
1610 #elif defined(CONFIG_ANDROID_POWER)
1611 android_init_suspend_lock(&rtw_suspend_lock);
1612 android_init_suspend_lock(&rtw_suspend_ext_lock);
1613 android_init_suspend_lock(&rtw_suspend_rx_lock);
1614 android_init_suspend_lock(&rtw_suspend_traffic_lock);
1615 android_init_suspend_lock(&rtw_suspend_resume_lock);
1616 android_init_suspend_lock(&rtw_resume_scan_lock);
1620 inline void rtw_suspend_lock_uninit()
1622 #ifdef CONFIG_WAKELOCK
1623 wake_lock_destroy(&rtw_suspend_lock);
1624 wake_lock_destroy(&rtw_suspend_ext_lock);
1625 wake_lock_destroy(&rtw_suspend_rx_lock);
1626 wake_lock_destroy(&rtw_suspend_traffic_lock);
1627 wake_lock_destroy(&rtw_suspend_resume_lock);
1628 wake_lock_destroy(&rtw_resume_scan_lock);
1629 #elif defined(CONFIG_ANDROID_POWER)
1630 android_uninit_suspend_lock(&rtw_suspend_lock);
1631 android_uninit_suspend_lock(&rtw_suspend_ext_lock);
1632 android_uninit_suspend_lock(&rtw_suspend_rx_lock);
1633 android_uninit_suspend_lock(&rtw_suspend_traffic_lock);
1634 android_uninit_suspend_lock(&rtw_suspend_resume_lock);
1635 android_uninit_suspend_lock(&rtw_resume_scan_lock);
1639 inline void rtw_lock_suspend(void)
1641 #ifdef CONFIG_WAKELOCK
1642 wake_lock(&rtw_suspend_lock);
1643 #elif defined(CONFIG_ANDROID_POWER)
1644 android_lock_suspend(&rtw_suspend_lock);
1647 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1648 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1652 inline void rtw_unlock_suspend(void)
1654 #ifdef CONFIG_WAKELOCK
1655 wake_unlock(&rtw_suspend_lock);
1656 #elif defined(CONFIG_ANDROID_POWER)
1657 android_unlock_suspend(&rtw_suspend_lock);
1660 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1661 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1665 inline void rtw_resume_lock_suspend(void)
1667 #ifdef CONFIG_WAKELOCK
1668 wake_lock(&rtw_suspend_resume_lock);
1669 #elif defined(CONFIG_ANDROID_POWER)
1670 android_lock_suspend(&rtw_suspend_resume_lock);
1673 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1674 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1678 inline void rtw_resume_unlock_suspend(void)
1680 #ifdef CONFIG_WAKELOCK
1681 wake_unlock(&rtw_suspend_resume_lock);
1682 #elif defined(CONFIG_ANDROID_POWER)
1683 android_unlock_suspend(&rtw_suspend_resume_lock);
1686 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1687 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1691 inline void rtw_lock_suspend_timeout(u32 timeout_ms)
1693 #ifdef CONFIG_WAKELOCK
1694 wake_lock_timeout(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1695 #elif defined(CONFIG_ANDROID_POWER)
1696 android_lock_suspend_auto_expire(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1700 inline void rtw_lock_ext_suspend_timeout(u32 timeout_ms)
1702 #ifdef CONFIG_WAKELOCK
1703 wake_lock_timeout(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1704 #elif defined(CONFIG_ANDROID_POWER)
1705 android_lock_suspend_auto_expire(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1707 //DBG_871X("EXT lock timeout:%d\n", timeout_ms);
1710 inline void rtw_lock_rx_suspend_timeout(u32 timeout_ms)
1712 #ifdef CONFIG_WAKELOCK
1713 wake_lock_timeout(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1714 #elif defined(CONFIG_ANDROID_POWER)
1715 android_lock_suspend_auto_expire(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1717 //DBG_871X("RX lock timeout:%d\n", timeout_ms);
1721 inline void rtw_lock_traffic_suspend_timeout(u32 timeout_ms)
1723 #ifdef CONFIG_WAKELOCK
1724 wake_lock_timeout(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1725 #elif defined(CONFIG_ANDROID_POWER)
1726 android_lock_suspend_auto_expire(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1728 //DBG_871X("traffic lock timeout:%d\n", timeout_ms);
1731 inline void rtw_lock_resume_scan_timeout(u32 timeout_ms)
1733 #ifdef CONFIG_WAKELOCK
1734 wake_lock_timeout(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1735 #elif defined(CONFIG_ANDROID_POWER)
1736 android_lock_suspend_auto_expire(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1738 //DBG_871X("resume scan lock:%d\n", timeout_ms);
1741 inline void ATOMIC_SET(ATOMIC_T *v, int i)
1743 #ifdef PLATFORM_LINUX
1745 #elif defined(PLATFORM_WINDOWS)
1746 *v=i;// other choice????
1747 #elif defined(PLATFORM_FREEBSD)
1748 atomic_set_int(v,i);
1752 inline int ATOMIC_READ(ATOMIC_T *v)
1754 #ifdef PLATFORM_LINUX
1755 return atomic_read(v);
1756 #elif defined(PLATFORM_WINDOWS)
1757 return *v; // other choice????
1758 #elif defined(PLATFORM_FREEBSD)
1759 return atomic_load_acq_32(v);
1763 inline void ATOMIC_ADD(ATOMIC_T *v, int i)
1765 #ifdef PLATFORM_LINUX
1767 #elif defined(PLATFORM_WINDOWS)
1768 InterlockedAdd(v,i);
1769 #elif defined(PLATFORM_FREEBSD)
1770 atomic_add_int(v,i);
1773 inline void ATOMIC_SUB(ATOMIC_T *v, int i)
1775 #ifdef PLATFORM_LINUX
1777 #elif defined(PLATFORM_WINDOWS)
1778 InterlockedAdd(v,-i);
1779 #elif defined(PLATFORM_FREEBSD)
1780 atomic_subtract_int(v,i);
1784 inline void ATOMIC_INC(ATOMIC_T *v)
1786 #ifdef PLATFORM_LINUX
1788 #elif defined(PLATFORM_WINDOWS)
1789 InterlockedIncrement(v);
1790 #elif defined(PLATFORM_FREEBSD)
1791 atomic_add_int(v,1);
1795 inline void ATOMIC_DEC(ATOMIC_T *v)
1797 #ifdef PLATFORM_LINUX
1799 #elif defined(PLATFORM_WINDOWS)
1800 InterlockedDecrement(v);
1801 #elif defined(PLATFORM_FREEBSD)
1802 atomic_subtract_int(v,1);
1806 inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
1808 #ifdef PLATFORM_LINUX
1809 return atomic_add_return(i,v);
1810 #elif defined(PLATFORM_WINDOWS)
1811 return InterlockedAdd(v,i);
1812 #elif defined(PLATFORM_FREEBSD)
1813 atomic_add_int(v,i);
1814 return atomic_load_acq_32(v);
1818 inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
1820 #ifdef PLATFORM_LINUX
1821 return atomic_sub_return(i,v);
1822 #elif defined(PLATFORM_WINDOWS)
1823 return InterlockedAdd(v,-i);
1824 #elif defined(PLATFORM_FREEBSD)
1825 atomic_subtract_int(v,i);
1826 return atomic_load_acq_32(v);
1830 inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
1832 #ifdef PLATFORM_LINUX
1833 return atomic_inc_return(v);
1834 #elif defined(PLATFORM_WINDOWS)
1835 return InterlockedIncrement(v);
1836 #elif defined(PLATFORM_FREEBSD)
1837 atomic_add_int(v,1);
1838 return atomic_load_acq_32(v);
1842 inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
1844 #ifdef PLATFORM_LINUX
1845 return atomic_dec_return(v);
1846 #elif defined(PLATFORM_WINDOWS)
1847 return InterlockedDecrement(v);
1848 #elif defined(PLATFORM_FREEBSD)
1849 atomic_subtract_int(v,1);
1850 return atomic_load_acq_32(v);
1855 #ifdef PLATFORM_LINUX
1857 * Open a file with the specific @param path, @param flag, @param mode
1858 * @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
1859 * @param path the path of the file to open
1860 * @param flag file operation flags, please refer to linux document
1861 * @param mode please refer to linux document
1862 * @return Linux specific error code
1864 static int openFile(struct file **fpp, char *path, int flag, int mode)
1868 fp=filp_open(path, flag, mode);
1880 * Close the file with the specific @param fp
1881 * @param fp the pointer of struct file to close
1884 static int closeFile(struct file *fp)
1886 filp_close(fp,NULL);
1890 static int readFile(struct file *fp,char *buf,int len)
1894 if (!fp->f_op || !fp->f_op->read)
1898 rlen=fp->f_op->read(fp,buf+sum,len-sum, &fp->f_pos);
1911 static int writeFile(struct file *fp,char *buf,int len)
1915 if (!fp->f_op || !fp->f_op->write)
1919 wlen=fp->f_op->write(fp,buf+sum,len-sum, &fp->f_pos);
1933 * Test if the specifi @param path is a file and readable
1934 * @param path the path of the file to test
1935 * @return Linux specific error code
1937 static int isFileReadable(char *path)
1944 fp=filp_open(path, O_RDONLY, 0);
1949 oldfs = get_fs(); set_fs(get_ds());
1951 if(1!=readFile(fp, &buf, 1))
1955 filp_close(fp,NULL);
1961 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
1962 * @param path the path of the file to open and read
1963 * @param buf the starting address of the buffer to store file content
1964 * @param sz how many bytes to read at most
1965 * @return the byte we've read, or Linux specific error code
1967 static int retriveFromFile(char *path, u8* buf, u32 sz)
1974 if( 0 == (ret=openFile(&fp,path, O_RDONLY, 0)) ){
1975 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
1977 oldfs = get_fs(); set_fs(get_ds());
1978 ret=readFile(fp, buf, sz);
1982 DBG_871X("%s readFile, ret:%d\n",__FUNCTION__, ret);
1985 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
1988 DBG_871X("%s NULL pointer\n",__FUNCTION__);
1995 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
1996 * @param path the path of the file to open and write
1997 * @param buf the starting address of the data to write into file
1998 * @param sz how many bytes to write at most
1999 * @return the byte we've written, or Linux specific error code
2001 static int storeToFile(char *path, u8* buf, u32 sz)
2008 if( 0 == (ret=openFile(&fp, path, O_CREAT|O_WRONLY, 0666)) ) {
2009 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
2011 oldfs = get_fs(); set_fs(get_ds());
2012 ret=writeFile(fp, buf, sz);
2016 DBG_871X("%s writeFile, ret:%d\n",__FUNCTION__, ret);
2019 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
2022 DBG_871X("%s NULL pointer\n",__FUNCTION__);
2027 #endif //PLATFORM_LINUX
2030 * Test if the specifi @param path is a file and readable
2031 * @param path the path of the file to test
2032 * @return _TRUE or _FALSE
2034 int rtw_is_file_readable(char *path)
2036 #ifdef PLATFORM_LINUX
2037 if(isFileReadable(path) == 0)
2048 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
2049 * @param path the path of the file to open and read
2050 * @param buf the starting address of the buffer to store file content
2051 * @param sz how many bytes to read at most
2052 * @return the byte we've read
2054 int rtw_retrive_from_file(char *path, u8* buf, u32 sz)
2056 #ifdef PLATFORM_LINUX
2057 int ret =retriveFromFile(path, buf, sz);
2058 return ret>=0?ret:0;
2066 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
2067 * @param path the path of the file to open and write
2068 * @param buf the starting address of the data to write into file
2069 * @param sz how many bytes to write at most
2070 * @return the byte we've written
2072 int rtw_store_to_file(char *path, u8* buf, u32 sz)
2074 #ifdef PLATFORM_LINUX
2075 int ret =storeToFile(path, buf, sz);
2076 return ret>=0?ret:0;
2083 #ifdef PLATFORM_LINUX
2084 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv)
2086 struct net_device *pnetdev;
2087 struct rtw_netdev_priv_indicator *pnpi;
2089 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2090 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2092 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2097 pnpi = netdev_priv(pnetdev);
2098 pnpi->priv=old_priv;
2099 pnpi->sizeof_priv=sizeof_priv;
2105 struct net_device *rtw_alloc_etherdev(int sizeof_priv)
2107 struct net_device *pnetdev;
2108 struct rtw_netdev_priv_indicator *pnpi;
2110 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2111 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2113 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2118 pnpi = netdev_priv(pnetdev);
2120 pnpi->priv = rtw_zvmalloc(sizeof_priv);
2122 free_netdev(pnetdev);
2127 pnpi->sizeof_priv=sizeof_priv;
2132 void rtw_free_netdev(struct net_device * netdev)
2134 struct rtw_netdev_priv_indicator *pnpi;
2139 pnpi = netdev_priv(netdev);
2144 rtw_vmfree(pnpi->priv, pnpi->sizeof_priv);
2145 free_netdev(netdev);
2152 * Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
2153 * LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
2155 int rtw_change_ifname(_adapter *padapter, const char *ifname)
2157 struct net_device *pnetdev;
2158 struct net_device *cur_pnetdev;
2159 struct rereg_nd_name_data *rereg_priv;
2165 cur_pnetdev = padapter->pnetdev;
2166 rereg_priv = &padapter->rereg_nd_name_priv;
2168 //free the old_pnetdev
2169 if(rereg_priv->old_pnetdev) {
2170 free_netdev(rereg_priv->old_pnetdev);
2171 rereg_priv->old_pnetdev = NULL;
2174 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2175 if(!rtnl_is_locked())
2176 unregister_netdev(cur_pnetdev);
2179 unregister_netdevice(cur_pnetdev);
2181 rereg_priv->old_pnetdev=cur_pnetdev;
2183 pnetdev = rtw_init_netdev(padapter);
2189 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
2191 rtw_init_netdev_name(pnetdev, ifname);
2193 _rtw_memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2195 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2196 if(!rtnl_is_locked())
2197 ret = register_netdev(pnetdev);
2200 ret = register_netdevice(pnetdev);
2203 RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
2216 #ifdef PLATFORM_FREEBSD
2218 * Copy a buffer from userspace and write into kernel address
2221 * This emulation just calls the FreeBSD copyin function (to
2222 * copy data from user space buffer into a kernel space buffer)
2223 * and is designed to be used with the above io_write_wrapper.
2225 * This function should return the number of bytes not copied.
2226 * I.e. success results in a zero value.
2227 * Negative error values are not returned.
2230 copy_from_user(void *to, const void *from, unsigned long n)
2232 if ( copyin(from, to, n) != 0 ) {
2233 /* Any errors will be treated as a failure
2234 to copy any of the requested bytes */
2242 copy_to_user(void *to, const void *from, unsigned long n)
2244 if ( copyout(from, to, n) != 0 ) {
2245 /* Any errors will be treated as a failure
2246 to copy any of the requested bytes */
2255 * The usb_register and usb_deregister functions are used to register
2256 * usb drivers with the usb subsystem. In this compatibility layer
2257 * emulation a list of drivers (struct usb_driver) is maintained
2258 * and is used for probing/attaching etc.
2260 * usb_register and usb_deregister simply call these functions.
2263 usb_register(struct usb_driver *driver)
2265 rtw_usb_linux_register(driver);
2271 usb_deregister(struct usb_driver *driver)
2273 rtw_usb_linux_deregister(driver);
2277 void module_init_exit_wrapper(void *arg)
2279 int (*func)(void) = arg;
2284 #endif //PLATFORM_FREEBSD
2286 #ifdef CONFIG_PLATFORM_SPRD
2290 #include <asm-generic/div64.h>
2293 u64 rtw_modular64(u64 x, u64 y)
2295 #ifdef PLATFORM_LINUX
2296 return do_div(x, y);
2297 #elif defined(PLATFORM_WINDOWS)
2299 #elif defined(PLATFORM_FREEBSD)
2304 u64 rtw_division64(u64 x, u64 y)
2306 #ifdef PLATFORM_LINUX
2309 #elif defined(PLATFORM_WINDOWS)
2311 #elif defined(PLATFORM_FREEBSD)
2316 inline u32 rtw_random32(void)
2318 #ifdef PLATFORM_LINUX
2319 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
2320 return prandom_u32();
2321 #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18))
2323 get_random_bytes( &random_int , 4 );
2328 #elif defined(PLATFORM_WINDOWS)
2329 #error "to be implemented\n"
2330 #elif defined(PLATFORM_FREEBSD)
2331 #error "to be implemented\n"
2335 void rtw_buf_free(u8 **buf, u32 *buf_len)
2339 if (!buf || !buf_len)
2345 u32 tmp_buf_len = *buf_len;
2347 rtw_mfree(*buf, tmp_buf_len);
2352 void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
2354 u32 ori_len = 0, dup_len = 0;
2358 if (!buf || !buf_len)
2361 if (!src || !src_len)
2365 dup = rtw_malloc(src_len);
2368 _rtw_memcpy(dup, src, dup_len);
2375 /* replace buf with dup */
2381 if (ori && ori_len > 0)
2382 rtw_mfree(ori, ori_len);
2387 * rtw_cbuf_full - test if cbuf is full
2388 * @cbuf: pointer of struct rtw_cbuf
2390 * Returns: _TRUE if cbuf is full
2392 inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
2394 return (cbuf->write == cbuf->read-1)? _TRUE : _FALSE;
2398 * rtw_cbuf_empty - test if cbuf is empty
2399 * @cbuf: pointer of struct rtw_cbuf
2401 * Returns: _TRUE if cbuf is empty
2403 inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
2405 return (cbuf->write == cbuf->read)? _TRUE : _FALSE;
2409 * rtw_cbuf_push - push a pointer into cbuf
2410 * @cbuf: pointer of struct rtw_cbuf
2411 * @buf: pointer to push in
2413 * Lock free operation, be careful of the use scheme
2414 * Returns: _TRUE push success
2416 bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
2418 if (rtw_cbuf_full(cbuf))
2422 DBG_871X("%s on %u\n", __func__, cbuf->write);
2423 cbuf->bufs[cbuf->write] = buf;
2424 cbuf->write = (cbuf->write+1)%cbuf->size;
2430 * rtw_cbuf_pop - pop a pointer from cbuf
2431 * @cbuf: pointer of struct rtw_cbuf
2433 * Lock free operation, be careful of the use scheme
2434 * Returns: pointer popped out
2436 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
2439 if (rtw_cbuf_empty(cbuf))
2443 DBG_871X("%s on %u\n", __func__, cbuf->read);
2444 buf = cbuf->bufs[cbuf->read];
2445 cbuf->read = (cbuf->read+1)%cbuf->size;
2451 * rtw_cbuf_alloc - allocte a rtw_cbuf with given size and do initialization
2452 * @size: size of pointer
2454 * Returns: pointer of srtuct rtw_cbuf, NULL for allocation failure
2456 struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
2458 struct rtw_cbuf *cbuf;
2460 cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) + sizeof(void*)*size);
2463 cbuf->write = cbuf->read = 0;
2471 * rtw_cbuf_free - free the given rtw_cbuf
2472 * @cbuf: pointer of struct rtw_cbuf to free
2474 void rtw_cbuf_free(struct rtw_cbuf *cbuf)
2476 rtw_mfree((u8*)cbuf, sizeof(*cbuf) + sizeof(void*)*cbuf->size);