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, const 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 inline void _rtw_memmove(void *dst, const void *src, u32 sz)
826 #if defined(PLATFORM_LINUX)
827 memmove(dst, src, sz);
829 #warning "no implementation\n"
833 int _rtw_memcmp(void *dst, const void *src, u32 sz)
836 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
837 //under Linux/GNU/GLibc, the return value of memcmp for two same mem. chunk is 0
839 if (!(memcmp(dst, src, sz)))
846 #ifdef PLATFORM_WINDOWS
847 //under Windows, the return value of NdisEqualMemory for two same mem. chunk is 1
849 if (NdisEqualMemory (dst, src, sz))
860 void _rtw_memset(void *pbuf, int c, u32 sz)
863 #if defined (PLATFORM_LINUX)|| defined (PLATFORM_FREEBSD)
869 #ifdef PLATFORM_WINDOWS
871 NdisZeroMemory(pbuf, sz);
872 if (c != 0) memset(pbuf, c, sz);
874 NdisFillMemory(pbuf, sz, c);
880 #ifdef PLATFORM_FREEBSD
881 static inline void __list_add(_list *pnew, _list *pprev, _list *pnext)
888 #endif /* PLATFORM_FREEBSD */
891 void _rtw_init_listhead(_list *list)
894 #ifdef PLATFORM_LINUX
896 INIT_LIST_HEAD(list);
900 #ifdef PLATFORM_FREEBSD
904 #ifdef PLATFORM_WINDOWS
906 NdisInitializeListHead(list);
914 For the following list_xxx operations,
915 caller must guarantee the atomic context.
916 Otherwise, there will be racing condition.
918 u32 rtw_is_list_empty(_list *phead)
921 #ifdef PLATFORM_LINUX
923 if (list_empty(phead))
929 #ifdef PLATFORM_FREEBSD
931 if (phead->next == phead)
939 #ifdef PLATFORM_WINDOWS
941 if (IsListEmpty(phead))
951 void rtw_list_insert_head(_list *plist, _list *phead)
954 #ifdef PLATFORM_LINUX
955 list_add(plist, phead);
958 #ifdef PLATFORM_FREEBSD
959 __list_add(plist, phead, phead->next);
962 #ifdef PLATFORM_WINDOWS
963 InsertHeadList(phead, plist);
967 void rtw_list_insert_tail(_list *plist, _list *phead)
970 #ifdef PLATFORM_LINUX
972 list_add_tail(plist, phead);
975 #ifdef PLATFORM_FREEBSD
977 __list_add(plist, phead->prev, phead);
980 #ifdef PLATFORM_WINDOWS
982 InsertTailList(phead, plist);
988 void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc)
990 _adapter *adapter = (_adapter *)padapter;
992 #ifdef PLATFORM_LINUX
993 _init_timer(ptimer, adapter->pnetdev, pfunc, adapter);
995 #ifdef PLATFORM_FREEBSD
996 _init_timer(ptimer, adapter->pifp, pfunc, adapter->mlmepriv.nic_hdl);
998 #ifdef PLATFORM_WINDOWS
999 _init_timer(ptimer, adapter->hndis_adapter, pfunc, adapter->mlmepriv.nic_hdl);
1005 Caller must check if the list is empty before calling rtw_list_delete
1010 void _rtw_init_sema(_sema *sema, int init_val)
1013 #ifdef PLATFORM_LINUX
1015 sema_init(sema, init_val);
1018 #ifdef PLATFORM_FREEBSD
1019 sema_init(sema, init_val, "rtw_drv");
1021 #ifdef PLATFORM_OS_XP
1023 KeInitializeSemaphore(sema, init_val, SEMA_UPBND); // count=0;
1027 #ifdef PLATFORM_OS_CE
1029 *sema = CreateSemaphore(NULL, init_val, SEMA_UPBND, NULL);
1034 void _rtw_free_sema(_sema *sema)
1036 #ifdef PLATFORM_FREEBSD
1039 #ifdef PLATFORM_OS_CE
1045 void _rtw_up_sema(_sema *sema)
1048 #ifdef PLATFORM_LINUX
1053 #ifdef PLATFORM_FREEBSD
1056 #ifdef PLATFORM_OS_XP
1058 KeReleaseSemaphore(sema, IO_NETWORK_INCREMENT, 1, FALSE );
1062 #ifdef PLATFORM_OS_CE
1063 ReleaseSemaphore(*sema, 1, NULL );
1067 u32 _rtw_down_sema(_sema *sema)
1070 #ifdef PLATFORM_LINUX
1072 if (down_interruptible(sema))
1078 #ifdef PLATFORM_FREEBSD
1082 #ifdef PLATFORM_OS_XP
1084 if(STATUS_SUCCESS == KeWaitForSingleObject(sema, Executive, KernelMode, TRUE, NULL))
1090 #ifdef PLATFORM_OS_CE
1091 if(WAIT_OBJECT_0 == WaitForSingleObject(*sema, INFINITE ))
1100 void _rtw_mutex_init(_mutex *pmutex)
1102 #ifdef PLATFORM_LINUX
1104 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1111 #ifdef PLATFORM_FREEBSD
1112 mtx_init(pmutex, "", NULL, MTX_DEF|MTX_RECURSE);
1114 #ifdef PLATFORM_OS_XP
1116 KeInitializeMutex(pmutex, 0);
1120 #ifdef PLATFORM_OS_CE
1121 *pmutex = CreateMutex( NULL, _FALSE, NULL);
1125 void _rtw_mutex_free(_mutex *pmutex);
1126 void _rtw_mutex_free(_mutex *pmutex)
1128 #ifdef PLATFORM_LINUX
1130 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
1131 mutex_destroy(pmutex);
1135 #ifdef PLATFORM_FREEBSD
1136 sema_destroy(pmutex);
1141 #ifdef PLATFORM_OS_XP
1145 #ifdef PLATFORM_OS_CE
1150 void _rtw_spinlock_init(_lock *plock)
1153 #ifdef PLATFORM_LINUX
1155 spin_lock_init(plock);
1158 #ifdef PLATFORM_FREEBSD
1159 mtx_init(plock, "", NULL, MTX_DEF|MTX_RECURSE);
1161 #ifdef PLATFORM_WINDOWS
1163 NdisAllocateSpinLock(plock);
1169 void _rtw_spinlock_free(_lock *plock)
1171 #ifdef PLATFORM_FREEBSD
1175 #ifdef PLATFORM_WINDOWS
1177 NdisFreeSpinLock(plock);
1182 #ifdef PLATFORM_FREEBSD
1183 extern PADAPTER prtw_lock;
1185 void rtw_mtx_lock(_lock *plock){
1187 mtx_lock(&prtw_lock->glock);
1190 printf("%s prtw_lock==NULL",__FUNCTION__);
1193 void rtw_mtx_unlock(_lock *plock){
1195 mtx_unlock(&prtw_lock->glock);
1198 printf("%s prtw_lock==NULL",__FUNCTION__);
1202 #endif //PLATFORM_FREEBSD
1205 void _rtw_spinlock(_lock *plock)
1208 #ifdef PLATFORM_LINUX
1213 #ifdef PLATFORM_FREEBSD
1216 #ifdef PLATFORM_WINDOWS
1218 NdisAcquireSpinLock(plock);
1224 void _rtw_spinunlock(_lock *plock)
1227 #ifdef PLATFORM_LINUX
1232 #ifdef PLATFORM_FREEBSD
1235 #ifdef PLATFORM_WINDOWS
1237 NdisReleaseSpinLock(plock);
1243 void _rtw_spinlock_ex(_lock *plock)
1246 #ifdef PLATFORM_LINUX
1251 #ifdef PLATFORM_FREEBSD
1254 #ifdef PLATFORM_WINDOWS
1256 NdisDprAcquireSpinLock(plock);
1262 void _rtw_spinunlock_ex(_lock *plock)
1265 #ifdef PLATFORM_LINUX
1270 #ifdef PLATFORM_FREEBSD
1273 #ifdef PLATFORM_WINDOWS
1275 NdisDprReleaseSpinLock(plock);
1282 void _rtw_init_queue(_queue *pqueue)
1284 _rtw_init_listhead(&(pqueue->queue));
1285 _rtw_spinlock_init(&(pqueue->lock));
1288 void _rtw_deinit_queue(_queue *pqueue)
1290 _rtw_spinlock_free(&(pqueue->lock));
1293 u32 _rtw_queue_empty(_queue *pqueue)
1295 return (rtw_is_list_empty(&(pqueue->queue)));
1299 u32 rtw_end_of_queue_search(_list *head, _list *plist)
1308 u32 rtw_get_current_time(void)
1311 #ifdef PLATFORM_LINUX
1314 #ifdef PLATFORM_FREEBSD
1319 #ifdef PLATFORM_WINDOWS
1320 LARGE_INTEGER SystemTime;
1321 NdisGetCurrentSystemTime(&SystemTime);
1322 return (u32)(SystemTime.LowPart);// count of 100-nanosecond intervals
1326 inline u32 rtw_systime_to_ms(u32 systime)
1328 #ifdef PLATFORM_LINUX
1329 return systime * 1000 / HZ;
1331 #ifdef PLATFORM_FREEBSD
1332 return systime * 1000;
1334 #ifdef PLATFORM_WINDOWS
1335 return systime / 10000 ;
1339 inline u32 rtw_ms_to_systime(u32 ms)
1341 #ifdef PLATFORM_LINUX
1342 return ms * HZ / 1000;
1344 #ifdef PLATFORM_FREEBSD
1347 #ifdef PLATFORM_WINDOWS
1352 // the input parameter start use the same unit as returned by rtw_get_current_time
1353 inline s32 rtw_get_passing_time_ms(u32 start)
1355 #ifdef PLATFORM_LINUX
1356 return rtw_systime_to_ms(jiffies-start);
1358 #ifdef PLATFORM_FREEBSD
1359 return rtw_systime_to_ms(rtw_get_current_time());
1361 #ifdef PLATFORM_WINDOWS
1362 LARGE_INTEGER SystemTime;
1363 NdisGetCurrentSystemTime(&SystemTime);
1364 return rtw_systime_to_ms((u32)(SystemTime.LowPart) - start) ;
1368 inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
1370 #ifdef PLATFORM_LINUX
1371 return rtw_systime_to_ms(end-start);
1373 #ifdef PLATFORM_FREEBSD
1374 return rtw_systime_to_ms(rtw_get_current_time());
1376 #ifdef PLATFORM_WINDOWS
1377 return rtw_systime_to_ms(end-start);
1382 void rtw_sleep_schedulable(int ms)
1385 #ifdef PLATFORM_LINUX
1389 delta = (ms * HZ)/1000;//(ms)
1393 set_current_state(TASK_INTERRUPTIBLE);
1394 if (schedule_timeout(delta) != 0) {
1400 #ifdef PLATFORM_FREEBSD
1405 #ifdef PLATFORM_WINDOWS
1407 NdisMSleep(ms*1000); //(us)*1000=(ms)
1414 void rtw_msleep_os(int ms)
1417 #ifdef PLATFORM_LINUX
1418 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
1420 unsigned long us = ms * 1000UL;
1421 usleep_range(us, us + 1000UL);
1424 msleep((unsigned int)ms);
1427 #ifdef PLATFORM_FREEBSD
1428 //Delay for delay microseconds
1432 #ifdef PLATFORM_WINDOWS
1434 NdisMSleep(ms*1000); //(us)*1000=(ms)
1440 void rtw_usleep_os(int us)
1442 #ifdef PLATFORM_LINUX
1444 // msleep((unsigned int)us);
1445 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
1446 usleep_range(us, us + 1);
1448 if ( 1 < (us/1000) )
1451 msleep( (us/1000) + 1);
1455 #ifdef PLATFORM_FREEBSD
1456 //Delay for delay microseconds
1461 #ifdef PLATFORM_WINDOWS
1463 NdisMSleep(us); //(us)
1472 void _rtw_mdelay_os(int ms, const char *func, const int line)
1476 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1482 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
1484 #if defined(PLATFORM_LINUX)
1486 mdelay((unsigned long)ms);
1488 #elif defined(PLATFORM_WINDOWS)
1490 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1496 void _rtw_udelay_os(int us, const char *func, const int line)
1501 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1508 DBG_871X("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
1511 #if defined(PLATFORM_LINUX)
1513 udelay((unsigned long)us);
1515 #elif defined(PLATFORM_WINDOWS)
1517 NdisStallExecution(us); //(us)
1523 void rtw_mdelay_os(int ms)
1526 #ifdef PLATFORM_LINUX
1528 mdelay((unsigned long)ms);
1531 #ifdef PLATFORM_FREEBSD
1535 #ifdef PLATFORM_WINDOWS
1537 NdisStallExecution(ms*1000); //(us)*1000=(ms)
1543 void rtw_udelay_os(int us)
1546 #ifdef PLATFORM_LINUX
1548 udelay((unsigned long)us);
1551 #ifdef PLATFORM_FREEBSD
1552 //Delay for delay microseconds
1556 #ifdef PLATFORM_WINDOWS
1558 NdisStallExecution(us); //(us)
1565 void rtw_yield_os(void)
1567 #ifdef PLATFORM_LINUX
1570 #ifdef PLATFORM_FREEBSD
1573 #ifdef PLATFORM_WINDOWS
1578 #define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
1579 #define RTW_SUSPEND_EXT_LOCK_NAME "rtw_wifi_ext"
1580 #define RTW_SUSPEND_RX_LOCK_NAME "rtw_wifi_rx"
1581 #define RTW_SUSPEND_TRAFFIC_LOCK_NAME "rtw_wifi_traffic"
1582 #define RTW_SUSPEND_RESUME_LOCK_NAME "rtw_wifi_resume"
1583 #define RTW_RESUME_SCAN_LOCK_NAME "rtw_wifi_scan"
1584 #ifdef CONFIG_WAKELOCK
1585 static struct wake_lock rtw_suspend_lock;
1586 static struct wake_lock rtw_suspend_ext_lock;
1587 static struct wake_lock rtw_suspend_rx_lock;
1588 static struct wake_lock rtw_suspend_traffic_lock;
1589 static struct wake_lock rtw_suspend_resume_lock;
1590 static struct wake_lock rtw_resume_scan_lock;
1591 #elif defined(CONFIG_ANDROID_POWER)
1592 static android_suspend_lock_t rtw_suspend_lock ={
1593 .name = RTW_SUSPEND_LOCK_NAME
1595 static android_suspend_lock_t rtw_suspend_ext_lock ={
1596 .name = RTW_SUSPEND_EXT_LOCK_NAME
1598 static android_suspend_lock_t rtw_suspend_rx_lock ={
1599 .name = RTW_SUSPEND_RX_LOCK_NAME
1601 static android_suspend_lock_t rtw_suspend_traffic_lock ={
1602 .name = RTW_SUSPEND_TRAFFIC_LOCK_NAME
1604 static android_suspend_lock_t rtw_suspend_resume_lock ={
1605 .name = RTW_SUSPEND_RESUME_LOCK_NAME
1607 static android_suspend_lock_t rtw_resume_scan_lock ={
1608 .name = RTW_RESUME_SCAN_LOCK_NAME
1612 inline void rtw_suspend_lock_init(void)
1614 #ifdef CONFIG_WAKELOCK
1615 wake_lock_init(&rtw_suspend_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_LOCK_NAME);
1616 wake_lock_init(&rtw_suspend_ext_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_EXT_LOCK_NAME);
1617 wake_lock_init(&rtw_suspend_rx_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RX_LOCK_NAME);
1618 wake_lock_init(&rtw_suspend_traffic_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_TRAFFIC_LOCK_NAME);
1619 wake_lock_init(&rtw_suspend_resume_lock, WAKE_LOCK_SUSPEND, RTW_SUSPEND_RESUME_LOCK_NAME);
1620 wake_lock_init(&rtw_resume_scan_lock, WAKE_LOCK_SUSPEND, RTW_RESUME_SCAN_LOCK_NAME);
1621 #elif defined(CONFIG_ANDROID_POWER)
1622 android_init_suspend_lock(&rtw_suspend_lock);
1623 android_init_suspend_lock(&rtw_suspend_ext_lock);
1624 android_init_suspend_lock(&rtw_suspend_rx_lock);
1625 android_init_suspend_lock(&rtw_suspend_traffic_lock);
1626 android_init_suspend_lock(&rtw_suspend_resume_lock);
1627 android_init_suspend_lock(&rtw_resume_scan_lock);
1631 inline void rtw_suspend_lock_uninit(void)
1633 #ifdef CONFIG_WAKELOCK
1634 wake_lock_destroy(&rtw_suspend_lock);
1635 wake_lock_destroy(&rtw_suspend_ext_lock);
1636 wake_lock_destroy(&rtw_suspend_rx_lock);
1637 wake_lock_destroy(&rtw_suspend_traffic_lock);
1638 wake_lock_destroy(&rtw_suspend_resume_lock);
1639 wake_lock_destroy(&rtw_resume_scan_lock);
1640 #elif defined(CONFIG_ANDROID_POWER)
1641 android_uninit_suspend_lock(&rtw_suspend_lock);
1642 android_uninit_suspend_lock(&rtw_suspend_ext_lock);
1643 android_uninit_suspend_lock(&rtw_suspend_rx_lock);
1644 android_uninit_suspend_lock(&rtw_suspend_traffic_lock);
1645 android_uninit_suspend_lock(&rtw_suspend_resume_lock);
1646 android_uninit_suspend_lock(&rtw_resume_scan_lock);
1650 inline void rtw_lock_suspend(void)
1652 #ifdef CONFIG_WAKELOCK
1653 wake_lock(&rtw_suspend_lock);
1654 #elif defined(CONFIG_ANDROID_POWER)
1655 android_lock_suspend(&rtw_suspend_lock);
1658 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1659 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1663 inline void rtw_unlock_suspend(void)
1665 #ifdef CONFIG_WAKELOCK
1666 wake_unlock(&rtw_suspend_lock);
1667 #elif defined(CONFIG_ANDROID_POWER)
1668 android_unlock_suspend(&rtw_suspend_lock);
1671 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1672 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1676 inline void rtw_resume_lock_suspend(void)
1678 #ifdef CONFIG_WAKELOCK
1679 wake_lock(&rtw_suspend_resume_lock);
1680 #elif defined(CONFIG_ANDROID_POWER)
1681 android_lock_suspend(&rtw_suspend_resume_lock);
1684 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1685 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1689 inline void rtw_resume_unlock_suspend(void)
1691 #ifdef CONFIG_WAKELOCK
1692 wake_unlock(&rtw_suspend_resume_lock);
1693 #elif defined(CONFIG_ANDROID_POWER)
1694 android_unlock_suspend(&rtw_suspend_resume_lock);
1697 #if defined(CONFIG_WAKELOCK) || defined(CONFIG_ANDROID_POWER)
1698 //DBG_871X("####%s: suspend_lock_count:%d####\n", __FUNCTION__, rtw_suspend_lock.stat.count);
1702 inline void rtw_lock_suspend_timeout(u32 timeout_ms)
1704 #ifdef CONFIG_WAKELOCK
1705 wake_lock_timeout(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1706 #elif defined(CONFIG_ANDROID_POWER)
1707 android_lock_suspend_auto_expire(&rtw_suspend_lock, rtw_ms_to_systime(timeout_ms));
1711 inline void rtw_lock_ext_suspend_timeout(u32 timeout_ms)
1713 #ifdef CONFIG_WAKELOCK
1714 wake_lock_timeout(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1715 #elif defined(CONFIG_ANDROID_POWER)
1716 android_lock_suspend_auto_expire(&rtw_suspend_ext_lock, rtw_ms_to_systime(timeout_ms));
1718 //DBG_871X("EXT lock timeout:%d\n", timeout_ms);
1721 inline void rtw_lock_rx_suspend_timeout(u32 timeout_ms)
1723 #ifdef CONFIG_WAKELOCK
1724 wake_lock_timeout(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1725 #elif defined(CONFIG_ANDROID_POWER)
1726 android_lock_suspend_auto_expire(&rtw_suspend_rx_lock, rtw_ms_to_systime(timeout_ms));
1728 //DBG_871X("RX lock timeout:%d\n", timeout_ms);
1732 inline void rtw_lock_traffic_suspend_timeout(u32 timeout_ms)
1734 #ifdef CONFIG_WAKELOCK
1735 wake_lock_timeout(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1736 #elif defined(CONFIG_ANDROID_POWER)
1737 android_lock_suspend_auto_expire(&rtw_suspend_traffic_lock, rtw_ms_to_systime(timeout_ms));
1739 //DBG_871X("traffic lock timeout:%d\n", timeout_ms);
1742 inline void rtw_lock_resume_scan_timeout(u32 timeout_ms)
1744 #ifdef CONFIG_WAKELOCK
1745 wake_lock_timeout(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1746 #elif defined(CONFIG_ANDROID_POWER)
1747 android_lock_suspend_auto_expire(&rtw_resume_scan_lock, rtw_ms_to_systime(timeout_ms));
1749 //DBG_871X("resume scan lock:%d\n", timeout_ms);
1752 inline void ATOMIC_SET(ATOMIC_T *v, int i)
1754 #ifdef PLATFORM_LINUX
1756 #elif defined(PLATFORM_WINDOWS)
1757 *v=i;// other choice????
1758 #elif defined(PLATFORM_FREEBSD)
1759 atomic_set_int(v,i);
1763 inline int ATOMIC_READ(ATOMIC_T *v)
1765 #ifdef PLATFORM_LINUX
1766 return atomic_read(v);
1767 #elif defined(PLATFORM_WINDOWS)
1768 return *v; // other choice????
1769 #elif defined(PLATFORM_FREEBSD)
1770 return atomic_load_acq_32(v);
1774 inline void ATOMIC_ADD(ATOMIC_T *v, int i)
1776 #ifdef PLATFORM_LINUX
1778 #elif defined(PLATFORM_WINDOWS)
1779 InterlockedAdd(v,i);
1780 #elif defined(PLATFORM_FREEBSD)
1781 atomic_add_int(v,i);
1784 inline void ATOMIC_SUB(ATOMIC_T *v, int i)
1786 #ifdef PLATFORM_LINUX
1788 #elif defined(PLATFORM_WINDOWS)
1789 InterlockedAdd(v,-i);
1790 #elif defined(PLATFORM_FREEBSD)
1791 atomic_subtract_int(v,i);
1795 inline void ATOMIC_INC(ATOMIC_T *v)
1797 #ifdef PLATFORM_LINUX
1799 #elif defined(PLATFORM_WINDOWS)
1800 InterlockedIncrement(v);
1801 #elif defined(PLATFORM_FREEBSD)
1802 atomic_add_int(v,1);
1806 inline void ATOMIC_DEC(ATOMIC_T *v)
1808 #ifdef PLATFORM_LINUX
1810 #elif defined(PLATFORM_WINDOWS)
1811 InterlockedDecrement(v);
1812 #elif defined(PLATFORM_FREEBSD)
1813 atomic_subtract_int(v,1);
1817 inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
1819 #ifdef PLATFORM_LINUX
1820 return atomic_add_return(i,v);
1821 #elif defined(PLATFORM_WINDOWS)
1822 return InterlockedAdd(v,i);
1823 #elif defined(PLATFORM_FREEBSD)
1824 atomic_add_int(v,i);
1825 return atomic_load_acq_32(v);
1829 inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
1831 #ifdef PLATFORM_LINUX
1832 return atomic_sub_return(i,v);
1833 #elif defined(PLATFORM_WINDOWS)
1834 return InterlockedAdd(v,-i);
1835 #elif defined(PLATFORM_FREEBSD)
1836 atomic_subtract_int(v,i);
1837 return atomic_load_acq_32(v);
1841 inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
1843 #ifdef PLATFORM_LINUX
1844 return atomic_inc_return(v);
1845 #elif defined(PLATFORM_WINDOWS)
1846 return InterlockedIncrement(v);
1847 #elif defined(PLATFORM_FREEBSD)
1848 atomic_add_int(v,1);
1849 return atomic_load_acq_32(v);
1853 inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
1855 #ifdef PLATFORM_LINUX
1856 return atomic_dec_return(v);
1857 #elif defined(PLATFORM_WINDOWS)
1858 return InterlockedDecrement(v);
1859 #elif defined(PLATFORM_FREEBSD)
1860 atomic_subtract_int(v,1);
1861 return atomic_load_acq_32(v);
1866 #ifdef PLATFORM_LINUX
1868 * Open a file with the specific @param path, @param flag, @param mode
1869 * @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
1870 * @param path the path of the file to open
1871 * @param flag file operation flags, please refer to linux document
1872 * @param mode please refer to linux document
1873 * @return Linux specific error code
1875 static int openFile(struct file **fpp, char *path, int flag, int mode)
1879 fp=filp_open(path, flag, mode);
1891 * Close the file with the specific @param fp
1892 * @param fp the pointer of struct file to close
1895 static int closeFile(struct file *fp)
1897 filp_close(fp,NULL);
1901 static int readFile(struct file *fp,char *buf,int len)
1905 if (!fp->f_op || !fp->f_op->read)
1909 rlen=fp->f_op->read(fp,buf+sum,len-sum, &fp->f_pos);
1922 static int writeFile(struct file *fp,char *buf,int len)
1926 if (!fp->f_op || !fp->f_op->write)
1930 wlen=fp->f_op->write(fp,buf+sum,len-sum, &fp->f_pos);
1944 * Test if the specifi @param path is a file and readable
1945 * @param path the path of the file to test
1946 * @return Linux specific error code
1948 static int isFileReadable(char *path)
1955 fp=filp_open(path, O_RDONLY, 0);
1960 oldfs = get_fs(); set_fs(get_ds());
1962 if(1!=readFile(fp, &buf, 1))
1966 filp_close(fp,NULL);
1972 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
1973 * @param path the path of the file to open and read
1974 * @param buf the starting address of the buffer to store file content
1975 * @param sz how many bytes to read at most
1976 * @return the byte we've read, or Linux specific error code
1978 static int retriveFromFile(char *path, u8* buf, u32 sz)
1985 if( 0 == (ret=openFile(&fp,path, O_RDONLY, 0)) ){
1986 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
1988 oldfs = get_fs(); set_fs(get_ds());
1989 ret=readFile(fp, buf, sz);
1993 DBG_871X("%s readFile, ret:%d\n",__FUNCTION__, ret);
1996 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
1999 DBG_871X("%s NULL pointer\n",__FUNCTION__);
2006 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
2007 * @param path the path of the file to open and write
2008 * @param buf the starting address of the data to write into file
2009 * @param sz how many bytes to write at most
2010 * @return the byte we've written, or Linux specific error code
2012 static int storeToFile(char *path, u8* buf, u32 sz)
2019 if( 0 == (ret=openFile(&fp, path, O_CREAT|O_WRONLY, 0666)) ) {
2020 DBG_871X("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
2022 oldfs = get_fs(); set_fs(get_ds());
2023 ret=writeFile(fp, buf, sz);
2027 DBG_871X("%s writeFile, ret:%d\n",__FUNCTION__, ret);
2030 DBG_871X("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
2033 DBG_871X("%s NULL pointer\n",__FUNCTION__);
2038 #endif //PLATFORM_LINUX
2041 * Test if the specifi @param path is a file and readable
2042 * @param path the path of the file to test
2043 * @return _TRUE or _FALSE
2045 int rtw_is_file_readable(char *path)
2047 #ifdef PLATFORM_LINUX
2048 if(isFileReadable(path) == 0)
2059 * Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
2060 * @param path the path of the file to open and read
2061 * @param buf the starting address of the buffer to store file content
2062 * @param sz how many bytes to read at most
2063 * @return the byte we've read
2065 int rtw_retrieve_from_file(char *path, u8 *buf, u32 sz)
2067 #ifdef PLATFORM_LINUX
2068 int ret =retriveFromFile(path, buf, sz);
2069 return ret>=0?ret:0;
2077 * Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
2078 * @param path the path of the file to open and write
2079 * @param buf the starting address of the data to write into file
2080 * @param sz how many bytes to write at most
2081 * @return the byte we've written
2083 int rtw_store_to_file(char *path, u8* buf, u32 sz)
2085 #ifdef PLATFORM_LINUX
2086 int ret =storeToFile(path, buf, sz);
2087 return ret>=0?ret:0;
2094 #ifdef PLATFORM_LINUX
2095 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv)
2097 struct net_device *pnetdev;
2098 struct rtw_netdev_priv_indicator *pnpi;
2100 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2101 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2103 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2108 pnpi = netdev_priv(pnetdev);
2109 pnpi->priv=old_priv;
2110 pnpi->sizeof_priv=sizeof_priv;
2116 struct net_device *rtw_alloc_etherdev(int sizeof_priv)
2118 struct net_device *pnetdev;
2119 struct rtw_netdev_priv_indicator *pnpi;
2121 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
2122 pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
2124 pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2129 pnpi = netdev_priv(pnetdev);
2131 pnpi->priv = rtw_zvmalloc(sizeof_priv);
2133 free_netdev(pnetdev);
2138 pnpi->sizeof_priv=sizeof_priv;
2143 void rtw_free_netdev(struct net_device * netdev)
2145 struct rtw_netdev_priv_indicator *pnpi;
2150 pnpi = netdev_priv(netdev);
2155 free_netdev(netdev);
2162 * Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
2163 * LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
2165 int rtw_change_ifname(_adapter *padapter, const char *ifname)
2167 struct net_device *pnetdev;
2168 struct net_device *cur_pnetdev;
2169 struct rereg_nd_name_data *rereg_priv;
2175 cur_pnetdev = padapter->pnetdev;
2176 rereg_priv = &padapter->rereg_nd_name_priv;
2178 //free the old_pnetdev
2179 if(rereg_priv->old_pnetdev) {
2180 free_netdev(rereg_priv->old_pnetdev);
2181 rereg_priv->old_pnetdev = NULL;
2184 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2185 if(!rtnl_is_locked())
2186 unregister_netdev(cur_pnetdev);
2189 unregister_netdevice(cur_pnetdev);
2191 rereg_priv->old_pnetdev=cur_pnetdev;
2193 pnetdev = rtw_init_netdev(padapter);
2199 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
2201 rtw_init_netdev_name(pnetdev, ifname);
2203 _rtw_memcpy(pnetdev->dev_addr, adapter_mac_addr(padapter), ETH_ALEN);
2205 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
2206 if(!rtnl_is_locked())
2207 ret = register_netdev(pnetdev);
2210 ret = register_netdevice(pnetdev);
2213 RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
2226 #ifdef PLATFORM_FREEBSD
2228 * Copy a buffer from userspace and write into kernel address
2231 * This emulation just calls the FreeBSD copyin function (to
2232 * copy data from user space buffer into a kernel space buffer)
2233 * and is designed to be used with the above io_write_wrapper.
2235 * This function should return the number of bytes not copied.
2236 * I.e. success results in a zero value.
2237 * Negative error values are not returned.
2240 copy_from_user(void *to, const void *from, unsigned long n)
2242 if ( copyin(from, to, n) != 0 ) {
2243 /* Any errors will be treated as a failure
2244 to copy any of the requested bytes */
2252 copy_to_user(void *to, const void *from, unsigned long n)
2254 if ( copyout(from, to, n) != 0 ) {
2255 /* Any errors will be treated as a failure
2256 to copy any of the requested bytes */
2265 * The usb_register and usb_deregister functions are used to register
2266 * usb drivers with the usb subsystem. In this compatibility layer
2267 * emulation a list of drivers (struct usb_driver) is maintained
2268 * and is used for probing/attaching etc.
2270 * usb_register and usb_deregister simply call these functions.
2273 usb_register(struct usb_driver *driver)
2275 rtw_usb_linux_register(driver);
2281 usb_deregister(struct usb_driver *driver)
2283 rtw_usb_linux_deregister(driver);
2287 void module_init_exit_wrapper(void *arg)
2289 int (*func)(void) = arg;
2294 #endif //PLATFORM_FREEBSD
2296 #ifdef CONFIG_PLATFORM_SPRD
2300 #include <asm-generic/div64.h>
2303 u64 rtw_modular64(u64 x, u64 y)
2305 #ifdef PLATFORM_LINUX
2306 return do_div(x, y);
2307 #elif defined(PLATFORM_WINDOWS)
2309 #elif defined(PLATFORM_FREEBSD)
2314 u64 rtw_division64(u64 x, u64 y)
2316 #ifdef PLATFORM_LINUX
2319 #elif defined(PLATFORM_WINDOWS)
2321 #elif defined(PLATFORM_FREEBSD)
2326 inline u32 rtw_random32(void)
2328 #ifdef PLATFORM_LINUX
2329 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
2330 return prandom_u32();
2331 #elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18))
2333 get_random_bytes( &random_int , 4 );
2338 #elif defined(PLATFORM_WINDOWS)
2339 #error "to be implemented\n"
2340 #elif defined(PLATFORM_FREEBSD)
2341 #error "to be implemented\n"
2345 void rtw_buf_free(u8 **buf, u32 *buf_len)
2349 if (!buf || !buf_len)
2355 u32 tmp_buf_len = *buf_len;
2357 rtw_mfree(*buf, tmp_buf_len);
2362 void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
2364 u32 ori_len = 0, dup_len = 0;
2368 if (!buf || !buf_len)
2371 if (!src || !src_len)
2375 dup = rtw_malloc(src_len);
2378 _rtw_memcpy(dup, src, dup_len);
2385 /* replace buf with dup */
2391 if (ori && ori_len > 0)
2392 rtw_mfree(ori, ori_len);
2397 * rtw_cbuf_full - test if cbuf is full
2398 * @cbuf: pointer of struct rtw_cbuf
2400 * Returns: _TRUE if cbuf is full
2402 inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
2404 return (cbuf->write == cbuf->read-1)? _TRUE : _FALSE;
2408 * rtw_cbuf_empty - test if cbuf is empty
2409 * @cbuf: pointer of struct rtw_cbuf
2411 * Returns: _TRUE if cbuf is empty
2413 inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
2415 return (cbuf->write == cbuf->read)? _TRUE : _FALSE;
2419 * rtw_cbuf_push - push a pointer into cbuf
2420 * @cbuf: pointer of struct rtw_cbuf
2421 * @buf: pointer to push in
2423 * Lock free operation, be careful of the use scheme
2424 * Returns: _TRUE push success
2426 bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
2428 if (rtw_cbuf_full(cbuf))
2432 DBG_871X("%s on %u\n", __func__, cbuf->write);
2433 cbuf->bufs[cbuf->write] = buf;
2434 cbuf->write = (cbuf->write+1)%cbuf->size;
2440 * rtw_cbuf_pop - pop a pointer from cbuf
2441 * @cbuf: pointer of struct rtw_cbuf
2443 * Lock free operation, be careful of the use scheme
2444 * Returns: pointer popped out
2446 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
2449 if (rtw_cbuf_empty(cbuf))
2453 DBG_871X("%s on %u\n", __func__, cbuf->read);
2454 buf = cbuf->bufs[cbuf->read];
2455 cbuf->read = (cbuf->read+1)%cbuf->size;
2461 * rtw_cbuf_alloc - allocte a rtw_cbuf with given size and do initialization
2462 * @size: size of pointer
2464 * Returns: pointer of srtuct rtw_cbuf, NULL for allocation failure
2466 struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
2468 struct rtw_cbuf *cbuf;
2470 cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) + sizeof(void*)*size);
2473 cbuf->write = cbuf->read = 0;
2481 * rtw_cbuf_free - free the given rtw_cbuf
2482 * @cbuf: pointer of struct rtw_cbuf to free
2484 void rtw_cbuf_free(struct rtw_cbuf *cbuf)
2486 rtw_mfree((u8*)cbuf, sizeof(*cbuf) + sizeof(void*)*cbuf->size);
2492 * Return TRUE if chTmp is represent for hex digit
2495 inline BOOLEAN IsHexDigit(char chTmp)
2497 if ((chTmp >= '0' && chTmp <= '9') ||
2498 (chTmp >= 'a' && chTmp <= 'f') ||
2499 (chTmp >= 'A' && chTmp <= 'F'))
2508 * Return TRUE if chTmp is represent for alphabet
2511 inline BOOLEAN is_alpha(char chTmp)
2513 if ((chTmp >= 'a' && chTmp <= 'z') ||
2514 (chTmp >= 'A' && chTmp <= 'Z'))
2520 inline char alpha_to_upper(char c)
2522 if ((c >= 'a' && c <= 'z'))
2523 c = 'A' + (c - 'a');