1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
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.
8 *
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
12 * more details.
13 *
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
17 *
18 *
19 ******************************************************************************/
20 #ifndef _RTW_RECV_H_
21 #define _RTW_RECV_H_
22
23 #ifdef PLATFORM_OS_XP
24 #ifdef CONFIG_SDIO_HCI
25 #define NR_RECVBUFF 1024/* 512 */ /* 128 */
26 #else
27 #define NR_RECVBUFF (16)
28 #endif
29 #elif defined(PLATFORM_OS_CE)
30 #ifdef CONFIG_SDIO_HCI
31 #define NR_RECVBUFF (128)
32 #else
33 #define NR_RECVBUFF (4)
34 #endif
35 #else /* PLATFORM_LINUX /PLATFORM_BSD */
36
37 #ifdef CONFIG_SINGLE_RECV_BUF
38 #define NR_RECVBUFF (1)
39 #else
40 #if defined(CONFIG_GSPI_HCI)
41 #define NR_RECVBUFF (32)
42 #elif defined(CONFIG_SDIO_HCI)
43 #define NR_RECVBUFF (8)
44 #else
45 #define NR_RECVBUFF (8)
46 #endif
47 #endif /* CONFIG_SINGLE_RECV_BUF */
48 #ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
49 #define NR_PREALLOC_RECV_SKB (rtw_rtkm_get_nr_recv_skb()>>1)
50 #else /*!CONFIG_PREALLOC_RX_SKB_BUFFER */
51 #define NR_PREALLOC_RECV_SKB 8
52 #endif /* CONFIG_PREALLOC_RX_SKB_BUFFER */
53
54 #endif
55
56 #define NR_RECVFRAME 256
57
58 #define RXFRAME_ALIGN 8
59 #define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
60
61 #define DRVINFO_SZ 4 /* unit is 8bytes */
62
63 #define MAX_RXFRAME_CNT 512
64 #define MAX_RX_NUMBLKS (32)
65 #define RECVFRAME_HDR_ALIGN 128
66 #define MAX_CONTINUAL_NORXPACKET_COUNT 4 /* In MAX_CONTINUAL_NORXPACKET_COUNT*2 sec , no rx traffict would issue DELBA*/
67
68 #define PHY_RSSI_SLID_WIN_MAX 100
69 #define PHY_LINKQUALITY_SLID_WIN_MAX 20
70
71
72 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
73
74 #define RX_MPDU_QUEUE 0
75 #define RX_CMD_QUEUE 1
76 #define RX_MAX_QUEUE 2
77
78 static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
79
80 static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
81 static u8 SNAP_ETH_TYPE_APPLETALK_DDP[2] = {0x80, 0x9b};
82 static u8 SNAP_ETH_TYPE_TDLS[2] = {0x89, 0x0d};
83 static u8 SNAP_HDR_APPLETALK_DDP[3] = {0x08, 0x00, 0x07}; /* Datagram Delivery Protocol */
84
85 static u8 oui_8021h[] = {0x00, 0x00, 0xf8};
86 static u8 oui_rfc1042[] = {0x00, 0x00, 0x00};
87
88 #define MAX_SUBFRAME_COUNT 64
89 static u8 rtw_rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
90 /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
91 static u8 rtw_bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
92
93 /* for Rx reordering buffer control */
94 struct recv_reorder_ctrl {
95 _adapter *padapter;
96 u8 enable;
97 u16 indicate_seq;/* =wstart_b, init_value=0xffff */
98 u16 wend_b;
99 u8 wsize_b;
100 u8 ampdu_size;
101 _queue pending_recvframe_queue;
102 _timer reordering_ctrl_timer;
103 u8 bReorderWaiting;
104 };
105
106 struct stainfo_rxcache {
107 u16 tid_rxseq[16];
108 /*
109 unsigned short tid0_rxseq;
110 unsigned short tid1_rxseq;
111 unsigned short tid2_rxseq;
112 unsigned short tid3_rxseq;
113 unsigned short tid4_rxseq;
114 unsigned short tid5_rxseq;
115 unsigned short tid6_rxseq;
116 unsigned short tid7_rxseq;
117 unsigned short tid8_rxseq;
118 unsigned short tid9_rxseq;
119 unsigned short tid10_rxseq;
120 unsigned short tid11_rxseq;
121 unsigned short tid12_rxseq;
122 unsigned short tid13_rxseq;
123 unsigned short tid14_rxseq;
124 unsigned short tid15_rxseq;
125 */
126 };
127
128
129 struct smooth_rssi_data {
130 u32 elements[100]; /* array to store values */
131 u32 index; /* index to current array to store */
132 u32 total_num; /* num of valid elements */
133 u32 total_val; /* sum of valid elements */
134 };
135
136 struct signal_stat {
137 u8 update_req; /* used to indicate */
138 u8 avg_val; /* avg of valid elements */
139 u32 total_num; /* num of valid elements */
140 u32 total_val; /* sum of valid elements */
141 };
142 #if 0
143 typedef struct _ODM_Phy_Status_Info_ {
144 /* */
145 /* Be care, if you want to add any element please insert between */
146 /* RxPWDBAll & SignalStrength. */
147 /* */
148 #if (DM_ODM_SUPPORT_TYPE & (ODM_WIN))
149 u4Byte RxPWDBAll;
150 #else
151 u1Byte RxPWDBAll;
152 #endif
153
154 u1Byte SignalQuality; /* in 0-100 index. */
155 s1Byte RxMIMOSignalQuality[4]; /* per-path's EVM */
156 u1Byte RxMIMOEVMdbm[4]; /* per-path's EVM dbm */
157
158 u1Byte RxMIMOSignalStrength[4];/* in 0~100 index */
159
160 u2Byte Cfo_short[4]; /* per-path's Cfo_short */
161 u2Byte Cfo_tail[4]; /* per-path's Cfo_tail */
162
163 #if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
164 s1Byte RxPower; /* in dBm Translate from PWdB */
165 s1Byte RecvSignalPower; /* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */
166 u1Byte BTRxRSSIPercentage;
167 u1Byte SignalStrength; /* in 0-100 index. */
168
169 u1Byte RxPwr[4]; /* per-path's pwdb */
170 #endif
171 u1Byte RxSNR[4]; /* per-path's SNR */
172 u1Byte BandWidth;
173 u1Byte btCoexPwrAdjust;
174 } ODM_PHY_INFO_T, *PODM_PHY_INFO_T;
175 #endif
176
177 struct phy_info {
178 u8 RxPWDBAll;
179 u8 SignalQuality; /* in 0-100 index. */
180 s8 RxMIMOSignalQuality[4]; /* per-path's EVM */
181 u8 RxMIMOEVMdbm[4]; /* per-path's EVM dbm */
182 u8 RxMIMOSignalStrength[4]; /* in 0~100 index */
183 s16 Cfo_short[4]; /* per-path's Cfo_short */
184 s16 Cfo_tail[4]; /* per-path's Cfo_tail */
185 s8 RxPower; /* in dBm Translate from PWdB */
186 s8 RecvSignalPower; /* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */
187 u8 BTRxRSSIPercentage;
188 u8 SignalStrength; /* in 0-100 index. */
189 s8 RxPwr[4]; /* per-path's pwdb */
190 s8 RxSNR[4];
191 #if ((RTL8822B_SUPPORT == 1) || (RTL8723D_SUPPORT == 1) || (RTL8821C_SUPPORT == 1))
192 u8 RxCount:2;
193 u8 BandWidth:2;
194 u8 rxsc:4;
195 #else
196 u8 BandWidth;
197 #endif
198 u8 btCoexPwrAdjust;
199 #if ((RTL8822B_SUPPORT == 1) || (RTL8723D_SUPPORT == 1) || (RTL8821C_SUPPORT == 1))
200 u8 channel; /* channel number---*/
201 BOOLEAN bMuPacket; /* is MU packet or not---*/
202 BOOLEAN bBeamformed;
203 #endif
204 };
205
206 struct rx_raw_rssi {
207 u8 data_rate;
208 u8 pwdball;
209 s8 pwr_all;
210
211 u8 mimo_signal_strength[4];/* in 0~100 index */
212 u8 mimo_signal_quality[4];
213
214 s8 ofdm_pwr[4];
215 u8 ofdm_snr[4];
216 };
217
218
219 struct rx_pkt_attrib {
220 u16 pkt_len;
221 u8 physt;
222 u8 drvinfo_sz;
223 u8 shift_sz;
224 u8 hdrlen; /* the WLAN Header Len */
225 u8 to_fr_ds;
226 u8 amsdu;
227 u8 qos;
228 u8 priority;
229 u8 pw_save;
230 u8 mdata;
231 u16 seq_num;
232 u8 frag_num;
233 u8 mfrag;
234 u8 order;
235 u8 privacy; /* in frame_ctrl field */
236 u8 bdecrypted;
237 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
238 u8 iv_len;
239 u8 icv_len;
240 u8 crc_err;
241 u8 icv_err;
242
243 u16 eth_type;
244
245 u8 dst[ETH_ALEN];
246 u8 src[ETH_ALEN];
247 u8 ta[ETH_ALEN];
248 u8 ra[ETH_ALEN];
249 u8 bssid[ETH_ALEN];
250
251 u8 ack_policy;
252
253 /* #ifdef CONFIG_TCP_CSUM_OFFLOAD_RX */
254 u8 tcpchk_valid; /* 0: invalid, 1: valid */
255 u8 ip_chkrpt; /* 0: incorrect, 1: correct */
256 u8 tcp_chkrpt; /* 0: incorrect, 1: correct
257 * #endif */
258 u8 key_index;
259
260 u8 data_rate;
261 u8 bw;
262 u8 stbc;
263 u8 ldpc;
264 u8 sgi;
265 u8 pkt_rpt_type;
266 u32 tsfl;
267 u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */
268
269 /*
270 u8 signal_qual;
271 s8 rx_mimo_signal_qual[2];
272 u8 signal_strength;
273 u32 RxPWDBAll;
274 s32 RecvSignalPower;
275 */
276 struct phy_info phy_info;
277 };
278
279
280 /* These definition is used for Rx packet reordering. */
281 #define SN_LESS(a, b) (((a-b) & 0x800) != 0)
282 #define SN_EQUAL(a, b) (a == b)
283 /* #define REORDER_WIN_SIZE 128 */
284 /* #define REORDER_ENTRY_NUM 128 */
285 #define REORDER_WAIT_TIME (50) /* (ms) */
286
287 #define RECVBUFF_ALIGN_SZ 8
288
289 #ifdef CONFIG_TRX_BD_ARCH
290 #define RX_WIFI_INFO_SIZE 24
291 #elif (defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B)) && defined(CONFIG_PCI_HCI)
292 #define RXBD_SIZE sizeof(struct recv_stat)
293 #endif
294
295 #define RXDESC_SIZE 24
296 #define RXDESC_OFFSET RXDESC_SIZE
297
298 #ifdef CONFIG_TRX_BD_ARCH
299 struct rx_buf_desc {
300 /* RX has exactly one segment */
301 #ifdef CONFIG_64BIT_DMA
302 unsigned int dword[4];
303 #else
304 unsigned int dword[2];
305 #endif
306 };
307
308 struct recv_stat {
309 unsigned int rxdw[8];
310 };
311 #else
312 struct recv_stat {
313 unsigned int rxdw0;
314
315 unsigned int rxdw1;
316
317 #if !((defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C)) && defined(CONFIG_PCI_HCI)) /* exclude 8192ee, 8814ae, 8822be, 8821ce */
318 unsigned int rxdw2;
319
320 unsigned int rxdw3;
321 #endif
322
323 #ifndef BUF_DESC_ARCH
324 unsigned int rxdw4;
325
326 unsigned int rxdw5;
327
328 #ifdef CONFIG_PCI_HCI
329 unsigned int rxdw6;
330
331 unsigned int rxdw7;
332 #endif
333 #endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */
334 };
335 #endif
336
337 #define EOR BIT(30)
338
339 #ifdef CONFIG_PCI_HCI
340 #define PCI_MAX_RX_QUEUE 1/* MSDU packet queue, Rx Command Queue */
341 #define PCI_MAX_RX_COUNT 128
342 #ifdef CONFIG_TRX_BD_ARCH
343 #define RX_BD_NUM PCI_MAX_RX_COUNT /* alias */
344 #endif
345
346 struct rtw_rx_ring {
347 #ifdef CONFIG_TRX_BD_ARCH
348 struct rx_buf_desc *buf_desc;
349 #else
350 struct recv_stat *desc;
351 #endif
352 dma_addr_t dma;
353 unsigned int idx;
354 struct sk_buff *rx_buf[PCI_MAX_RX_COUNT];
355 };
356 #endif
357
358
359
360 /*
361 accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
362 ; halt(passive) ;
363
364 using enter_critical section to protect
365 */
366 struct recv_priv {
367 _lock lock;
368
369 #ifdef CONFIG_RECV_THREAD_MODE
370 _sema recv_sema;
371 _sema terminate_recvthread_sema;
372 #endif
373
374 /* _queue blk_strms[MAX_RX_NUMBLKS]; */ /* keeping the block ack frame until return ack */
375 _queue free_recv_queue;
376 _queue recv_pending_queue;
377 _queue uc_swdec_pending_queue;
378
379
380 u8 *pallocated_frame_buf;
381 u8 *precv_frame_buf;
382
383 uint free_recvframe_cnt;
384
385 _adapter *adapter;
386
387 #ifdef PLATFORM_WINDOWS
388 _nic_hdl RxPktPoolHdl;
389 _nic_hdl RxBufPoolHdl;
390
391 #ifdef PLATFORM_OS_XP
392 PMDL pbytecnt_mdl;
393 #endif
394 uint counter; /* record the number that up-layer will return to drv; only when counter==0 can we release recv_priv */
395 NDIS_EVENT recv_resource_evt ;
396 #endif
397
398 u32 bIsAnyNonBEPkts;
399 u64 rx_bytes;
400 u64 rx_pkts;
401 u64 rx_drop;
402
403 uint rx_icv_err;
404 uint rx_largepacket_crcerr;
405 uint rx_smallpacket_crcerr;
406 uint rx_middlepacket_crcerr;
407
408 #ifdef CONFIG_USB_HCI
409 /* u8 *pallocated_urb_buf; */
410 _sema allrxreturnevt;
411 uint ff_hwaddr;
412 ATOMIC_T rx_pending_cnt;
413
414 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
415 #ifdef PLATFORM_LINUX
416 PURB int_in_urb;
417 #endif
418
419 u8 *int_in_buf;
420 #endif /* CONFIG_USB_INTERRUPT_IN_PIPE */
421
422 #endif
423 #if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
424 #ifdef PLATFORM_FREEBSD
425 struct task irq_prepare_beacon_tasklet;
426 struct task recv_tasklet;
427 #else /* PLATFORM_FREEBSD */
428 struct tasklet_struct irq_prepare_beacon_tasklet;
429 #ifndef CONFIG_NAPI
430 struct tasklet_struct recv_tasklet;
431 #endif
432 #endif /* PLATFORM_FREEBSD */
433 struct sk_buff_head free_recv_skb_queue;
434 struct sk_buff_head rx_skb_queue;
435 #ifdef CONFIG_RX_INDICATE_QUEUE
436 struct task rx_indicate_tasklet;
437 struct ifqueue rx_indicate_queue;
438 #endif /* CONFIG_RX_INDICATE_QUEUE */
439
440 #endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) */
441
442 u8 *pallocated_recv_buf;
443 u8 *precv_buf; /* 4 alignment */
444 _queue free_recv_buf_queue;
445 u32 free_recv_buf_queue_cnt;
446
447 #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) || defined(CONFIG_USB_HCI)
448 _queue recv_buf_pending_queue;
449 #endif
450
451 #ifdef CONFIG_PCI_HCI
452 /* Rx */
453 struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE];
454 int rxringcount; /* size should be PCI_MAX_RX_QUEUE */
455 u16 rxbuffersize;
456 #endif
457
458 /* For display the phy informatiom */
459 u8 is_signal_dbg; /* for debug */
460 u8 signal_strength_dbg; /* for debug */
461
462 u8 signal_strength;
463 u8 signal_qual;
464 s8 rssi; /* translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); */
465 struct rx_raw_rssi raw_rssi_info;
466 /* s8 rxpwdb; */
467 s16 noise;
468 /* int RxSNRdB[2]; */
469 /* s8 RxRssi[2]; */
470 /* int FalseAlmCnt_all; */
471
472
473 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
474 _timer signal_stat_timer;
475 u32 signal_stat_sampling_interval;
476 /* u32 signal_stat_converging_constant; */
477 struct signal_stat signal_qual_data;
478 struct signal_stat signal_strength_data;
479 #else /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
480 struct smooth_rssi_data signal_qual_data;
481 struct smooth_rssi_data signal_strength_data;
482 #endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
483 u16 sink_udpport, pre_rtp_rxseq, cur_rtp_rxseq;
484
485 BOOLEAN store_law_data_flag;
486 };
487
488 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
489 #define rtw_set_signal_stat_timer(recvpriv) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval)
490 #endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
491
492 struct sta_recv_priv {
493
494 _lock lock;
495 sint option;
496
497 /* _queue blk_strms[MAX_RX_NUMBLKS]; */
498 _queue defrag_q; /* keeping the fragment frame until defrag */
499
500 struct stainfo_rxcache rxcache;
501
502 /* uint sta_rx_bytes; */
503 /* uint sta_rx_pkts; */
504 /* uint sta_rx_fail; */
505
506 };
507
508
509 struct recv_buf {
510 _list list;
511
512 _lock recvbuf_lock;
513
514 u32 ref_cnt;
515
516 PADAPTER adapter;
517
518 u8 *pbuf;
519 u8 *pallocated_buf;
520
521 u32 len;
522 u8 *phead;
523 u8 *pdata;
524 u8 *ptail;
525 u8 *pend;
526
527 #ifdef CONFIG_USB_HCI
528
529 #if defined(PLATFORM_OS_XP) || defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
530 PURB purb;
531 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
532 u32 alloc_sz;
533 #endif
534
535 #ifdef PLATFORM_OS_XP
536 PIRP pirp;
537 #endif
538
539 #ifdef PLATFORM_OS_CE
540 USB_TRANSFER usb_transfer_read_port;
541 #endif
542
543 u8 irp_pending;
544 int transfer_len;
545
546 #endif
547
548 #ifdef PLATFORM_LINUX
549 _pkt *pskb;
550 #endif
551 #ifdef PLATFORM_FREEBSD /* skb solution */
552 struct sk_buff *pskb;
553 #endif /* PLATFORM_FREEBSD */ /* skb solution */
554 };
555
556
557 /*
558 head ----->
559
560 data ----->
561
562 payload
563
564 tail ----->
565
566
567 end ----->
568
569 len = (unsigned int )(tail - data);
570
571 */
572 struct recv_frame_hdr {
573 _list list;
574 #ifndef CONFIG_BSD_RX_USE_MBUF
575 struct sk_buff *pkt;
576 struct sk_buff *pkt_newalloc;
577 #else /* CONFIG_BSD_RX_USE_MBUF */
578 _pkt *pkt;
579 _pkt *pkt_newalloc;
580 #endif /* CONFIG_BSD_RX_USE_MBUF */
581
582 _adapter *adapter;
583
584 u8 fragcnt;
585
586 int frame_tag;
587
588 struct rx_pkt_attrib attrib;
589
590 uint len;
591 u8 *rx_head;
592 u8 *rx_data;
593 u8 *rx_tail;
594 u8 *rx_end;
595
596 void *precvbuf;
597
598
599 /* */
600 struct sta_info *psta;
601
602 /* for A-MPDU Rx reordering buffer control */
603 struct recv_reorder_ctrl *preorder_ctrl;
604
605 #ifdef CONFIG_WAPI_SUPPORT
606 u8 UserPriority;
607 u8 WapiTempPN[16];
608 u8 WapiSrcAddr[6];
609 u8 bWapiCheckPNInDecrypt;
610 u8 bIsWaiPacket;
611 #endif
612
613 };
614
615
616 union recv_frame {
617
618 union {
619 _list list;
620 struct recv_frame_hdr hdr;
621 uint mem[RECVFRAME_HDR_ALIGN >> 2];
622 } u;
623
624 /* uint mem[MAX_RXSZ>>2]; */
625
626 };
627
628 bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset);
629
630 typedef enum _RX_PACKET_TYPE {
631 NORMAL_RX,/* Normal rx packet */
632 TX_REPORT1,/* CCX */
633 TX_REPORT2,/* TX RPT */
634 HIS_REPORT,/* USB HISR RPT */
635 C2H_PACKET
636 } RX_PACKET_TYPE, *PRX_PACKET_TYPE;
637
638 extern union recv_frame *_rtw_alloc_recvframe(_queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */
639 extern union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */
640 extern void rtw_init_recvframe(union recv_frame *precvframe , struct recv_priv *precvpriv);
641 extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue);
642
643 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
644 extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
645 extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
646
647 extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue);
648 u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter);
649
650 sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
651 sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
652 struct recv_buf *rtw_dequeue_recvbuf(_queue *queue);
653
654 void rtw_reordering_ctrl_timeout_handler(void *pcontext);
655
656 void rx_query_phy_status(union recv_frame *rframe, u8 *phy_stat);
657 int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index);
658 void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index);
659
get_rxmem(union recv_frame * precvframe)660 __inline static u8 *get_rxmem(union recv_frame *precvframe)
661 {
662 /* always return rx_head... */
663 if (precvframe == NULL)
664 return NULL;
665
666 return precvframe->u.hdr.rx_head;
667 }
668
get_rx_status(union recv_frame * precvframe)669 __inline static u8 *get_rx_status(union recv_frame *precvframe)
670 {
671
672 return get_rxmem(precvframe);
673
674 }
675
get_recvframe_data(union recv_frame * precvframe)676 __inline static u8 *get_recvframe_data(union recv_frame *precvframe)
677 {
678
679 /* alwasy return rx_data */
680 if (precvframe == NULL)
681 return NULL;
682
683 return precvframe->u.hdr.rx_data;
684
685 }
686
recvframe_push(union recv_frame * precvframe,sint sz)687 __inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
688 {
689 /* append data before rx_data */
690
691 /* add data to the start of recv_frame
692 *
693 * This function extends the used data area of the recv_frame at the buffer
694 * start. rx_data must be still larger than rx_head, after pushing.
695 */
696
697 if (precvframe == NULL)
698 return NULL;
699
700
701 precvframe->u.hdr.rx_data -= sz ;
702 if (precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head) {
703 precvframe->u.hdr.rx_data += sz ;
704 return NULL;
705 }
706
707 precvframe->u.hdr.len += sz;
708
709 return precvframe->u.hdr.rx_data;
710
711 }
712
713
recvframe_pull(union recv_frame * precvframe,sint sz)714 __inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
715 {
716 /* rx_data += sz; move rx_data sz bytes hereafter */
717
718 /* used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller */
719
720
721 if (precvframe == NULL)
722 return NULL;
723
724
725 precvframe->u.hdr.rx_data += sz;
726
727 if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
728 precvframe->u.hdr.rx_data -= sz;
729 return NULL;
730 }
731
732 precvframe->u.hdr.len -= sz;
733
734 return precvframe->u.hdr.rx_data;
735
736 }
737
recvframe_put(union recv_frame * precvframe,sint sz)738 __inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
739 {
740 /* rx_tai += sz; move rx_tail sz bytes hereafter */
741
742 /* used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller */
743 /* after putting, rx_tail must be still larger than rx_end. */
744 unsigned char *prev_rx_tail;
745
746 /* RTW_INFO("recvframe_put: len=%d\n", sz); */
747
748 if (precvframe == NULL)
749 return NULL;
750
751 prev_rx_tail = precvframe->u.hdr.rx_tail;
752
753 precvframe->u.hdr.rx_tail += sz;
754
755 if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
756 precvframe->u.hdr.rx_tail -= sz;
757 return NULL;
758 }
759
760 precvframe->u.hdr.len += sz;
761
762 return precvframe->u.hdr.rx_tail;
763
764 }
765
766
767
recvframe_pull_tail(union recv_frame * precvframe,sint sz)768 __inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
769 {
770 /* rmv data from rx_tail (by yitsen) */
771
772 /* used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller */
773 /* after pulling, rx_end must be still larger than rx_data. */
774
775 if (precvframe == NULL)
776 return NULL;
777
778 precvframe->u.hdr.rx_tail -= sz;
779
780 if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
781 precvframe->u.hdr.rx_tail += sz;
782 return NULL;
783 }
784
785 precvframe->u.hdr.len -= sz;
786
787 return precvframe->u.hdr.rx_tail;
788
789 }
790
791
792
get_rxbuf_desc(union recv_frame * precvframe)793 __inline static _buffer *get_rxbuf_desc(union recv_frame *precvframe)
794 {
795 _buffer *buf_desc;
796
797 if (precvframe == NULL)
798 return NULL;
799 #ifdef PLATFORM_WINDOWS
800 NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL);
801 #endif
802
803 return buf_desc;
804 }
805
806
rxmem_to_recvframe(u8 * rxmem)807 __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
808 {
809 /* due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame */
810 /* from any given member of recv_frame. */
811 /* rxmem indicates the any member/address in recv_frame */
812
813 return (union recv_frame *)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN);
814
815 }
816
pkt_to_recvframe(_pkt * pkt)817 __inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
818 {
819
820 u8 *buf_star;
821 union recv_frame *precv_frame;
822 #ifdef PLATFORM_WINDOWS
823 _buffer *buf_desc;
824 uint len;
825
826 NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len);
827 NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority);
828 #endif
829 precv_frame = rxmem_to_recvframe((unsigned char *)buf_star);
830
831 return precv_frame;
832 }
833
pkt_to_recvmem(_pkt * pkt)834 __inline static u8 *pkt_to_recvmem(_pkt *pkt)
835 {
836 /* return the rx_head */
837
838 union recv_frame *precv_frame = pkt_to_recvframe(pkt);
839
840 return precv_frame->u.hdr.rx_head;
841
842 }
843
pkt_to_recvdata(_pkt * pkt)844 __inline static u8 *pkt_to_recvdata(_pkt *pkt)
845 {
846 /* return the rx_data */
847
848 union recv_frame *precv_frame = pkt_to_recvframe(pkt);
849
850 return precv_frame->u.hdr.rx_data;
851
852 }
853
854
get_recvframe_len(union recv_frame * precvframe)855 __inline static sint get_recvframe_len(union recv_frame *precvframe)
856 {
857 return precvframe->u.hdr.len;
858 }
859
860
translate_percentage_to_dbm(u32 SignalStrengthIndex)861 __inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
862 {
863 s32 SignalPower; /* in dBm. */
864
865 #ifdef CONFIG_SIGNAL_SCALE_MAPPING
866 /* Translate to dBm (x=0.5y-95). */
867 SignalPower = (s32)((SignalStrengthIndex + 1) >> 1);
868 SignalPower -= 95;
869 #else
870 /* Translate to dBm (x=y-100) */
871 SignalPower = SignalStrengthIndex - 100;
872 #endif
873
874 return SignalPower;
875 }
876
877
878 struct sta_info;
879
880 extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
881
882 extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);
883
884 s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status);
885
886 #endif
887