1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2017 Realtek Corporation.
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 *****************************************************************************/
15 #ifndef _RTW_RECV_H_
16 #define _RTW_RECV_H_
17
18 #define RTW_RX_MSDU_ACT_NONE 0
19 #define RTW_RX_MSDU_ACT_INDICATE BIT0
20 #define RTW_RX_MSDU_ACT_FORWARD BIT1
21
22 #ifdef CONFIG_SINGLE_RECV_BUF
23 #define NR_RECVBUFF (1)
24 #else
25 #if defined(CONFIG_GSPI_HCI)
26 #define NR_RECVBUFF (32)
27 #elif defined(CONFIG_SDIO_HCI)
28 #define NR_RECVBUFF (8)
29 #else
30 #define NR_RECVBUFF (8)
31 #endif
32 #endif /* CONFIG_SINGLE_RECV_BUF */
33 #ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
34 #define NR_PREALLOC_RECV_SKB (rtw_rtkm_get_nr_recv_skb()>>1)
35 #else /*!CONFIG_PREALLOC_RX_SKB_BUFFER */
36 #define NR_PREALLOC_RECV_SKB 8
37 #endif /* CONFIG_PREALLOC_RX_SKB_BUFFER */
38
39 #ifdef CONFIG_RTW_NAPI
40 #define RTL_NAPI_WEIGHT (32)
41 #endif
42
43
44 #if defined(CONFIG_RTL8821C) && defined(CONFIG_SDIO_HCI) && defined(CONFIG_RECV_THREAD_MODE)
45 #ifdef NR_RECVBUFF
46 #undef NR_RECVBUFF
47 #define NR_RECVBUFF (32)
48 #endif
49 #endif
50
51 #define NR_RECVFRAME 256
52
53 #define RXFRAME_ALIGN 8
54 #define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
55
56 #define DRVINFO_SZ 4 /* unit is 8bytes */
57
58 #define MAX_RXFRAME_CNT 512
59 #define MAX_RX_NUMBLKS (32)
60 #define RECVFRAME_HDR_ALIGN 128
61 #define MAX_CONTINUAL_NORXPACKET_COUNT 4 /* In MAX_CONTINUAL_NORXPACKET_COUNT*2 sec , no rx traffict would issue DELBA*/
62
63 #define PHY_RSSI_SLID_WIN_MAX 100
64 #define PHY_LINKQUALITY_SLID_WIN_MAX 20
65
66
67 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
68
69 #define RX_MPDU_QUEUE 0
70 #define RX_CMD_QUEUE 1
71 #define RX_MAX_QUEUE 2
72
73 #define MAX_SUBFRAME_COUNT 64
74 /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
75 extern u8 rtw_bridge_tunnel_header[];
76 extern u8 rtw_rfc1042_header[];
77
78 enum addba_rsp_ack_state {
79 RTW_RECV_ACK_OR_TIMEOUT,
80 RTW_RECV_REORDER_WOW
81 };
82
83 /* for Rx reordering buffer control */
84 struct recv_reorder_ctrl {
85 _adapter *padapter;
86 u8 tid;
87 u8 enable;
88 u16 indicate_seq;/* =wstart_b, init_value=0xffff */
89 u16 wend_b;
90 u8 wsize_b;
91 u8 ampdu_size;
92 _queue pending_recvframe_queue;
93 _timer reordering_ctrl_timer;
94 u8 bReorderWaiting;
95 unsigned long rec_abba_rsp_ack;
96 };
97
98 struct stainfo_rxcache {
99 u16 tid_rxseq[16];
100 u8 iv[16][8];
101 u8 last_tid;
102 #if 0
103 unsigned short tid0_rxseq;
104 unsigned short tid1_rxseq;
105 unsigned short tid2_rxseq;
106 unsigned short tid3_rxseq;
107 unsigned short tid4_rxseq;
108 unsigned short tid5_rxseq;
109 unsigned short tid6_rxseq;
110 unsigned short tid7_rxseq;
111 unsigned short tid8_rxseq;
112 unsigned short tid9_rxseq;
113 unsigned short tid10_rxseq;
114 unsigned short tid11_rxseq;
115 unsigned short tid12_rxseq;
116 unsigned short tid13_rxseq;
117 unsigned short tid14_rxseq;
118 unsigned short tid15_rxseq;
119 #endif
120 };
121
122
123 struct smooth_rssi_data {
124 u32 elements[100]; /* array to store values */
125 u32 index; /* index to current array to store */
126 u32 total_num; /* num of valid elements */
127 u32 total_val; /* sum of valid elements */
128 };
129
130 struct signal_stat {
131 u8 update_req; /* used to indicate */
132 u8 avg_val; /* avg of valid elements */
133 u32 total_num; /* num of valid elements */
134 u32 total_val; /* sum of valid elements */
135 };
136
137 struct rx_raw_rssi {
138 u8 data_rate;
139 u8 pwdball;
140 s8 pwr_all;
141
142 u8 mimo_signal_strength[4];/* in 0~100 index */
143 u8 mimo_signal_quality[4];
144
145 s8 ofdm_pwr[4];
146 u8 ofdm_snr[4];
147 };
148
149
150 #include "cmn_info/rtw_sta_info.h"
151
152 struct rx_pkt_attrib {
153 u16 pkt_len;
154 u8 physt;
155 u8 drvinfo_sz;
156 u8 shift_sz;
157 u8 hdrlen; /* the WLAN Header Len */
158 u8 to_fr_ds;
159 u8 amsdu;
160 u8 qos;
161 u8 priority;
162 u8 pw_save;
163 u8 mdata;
164 u16 seq_num;
165 u8 frag_num;
166 u8 mfrag;
167 u8 order;
168 u8 privacy; /* in frame_ctrl field */
169 u8 bdecrypted;
170 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
171 u8 iv_len;
172 u8 icv_len;
173 u8 crc_err;
174 u8 icv_err;
175
176 u8 dst[ETH_ALEN];
177 u8 src[ETH_ALEN];
178 u8 ta[ETH_ALEN];
179 u8 ra[ETH_ALEN];
180 u8 bssid[ETH_ALEN];
181 #ifdef CONFIG_RTW_MESH
182 u8 msa[ETH_ALEN]; /* mesh sa */
183 u8 mda[ETH_ALEN]; /* mesh da */
184 u8 mesh_ctrl_present;
185 u8 mesh_ctrl_len; /* length of mesh control field */
186 #endif
187
188 u8 ack_policy;
189
190 u8 key_index;
191
192 u8 data_rate;
193 u8 ch; /* RX channel */
194 u8 bw;
195 u8 stbc;
196 u8 ldpc;
197 u8 sgi;
198 u8 pkt_rpt_type;
199 u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */
200 u8 ampdu;
201 u8 ppdu_cnt;
202 u8 ampdu_eof;
203 u32 free_cnt; /* free run counter */
204 struct phydm_phyinfo_struct phy_info;
205 #ifdef CONFIG_WIFI_MONITOR
206 u8 moif[16];
207 #endif
208
209 #ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
210 /* checksum offload realted varaiables */
211 u8 csum_valid; /* Checksum valid, 0: not check, 1: checked */
212 u8 csum_err; /* Checksum Error occurs */
213 #endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
214 };
215
216 #ifdef CONFIG_RTW_MESH
217 #define RATTRIB_GET_MCTRL_LEN(rattrib) ((rattrib)->mesh_ctrl_len)
218 #else
219 #define RATTRIB_GET_MCTRL_LEN(rattrib) 0
220 #endif
221
222 /* These definition is used for Rx packet reordering. */
223 #define SN_LESS(a, b) (((a-b) & 0x800) != 0)
224 #define SN_EQUAL(a, b) (a == b)
225 /* #define REORDER_WIN_SIZE 128 */
226 /* #define REORDER_ENTRY_NUM 128 */
227 #define REORDER_WAIT_TIME (50) /* (ms) */
228
229 #if defined(CONFIG_PLATFORM_RTK390X) && defined(CONFIG_USB_HCI)
230 #define RECVBUFF_ALIGN_SZ 32
231 #else
232 #define RECVBUFF_ALIGN_SZ 8
233 #endif
234
235 #ifdef CONFIG_TRX_BD_ARCH
236 #define RX_WIFI_INFO_SIZE 24
237 #elif (defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B)) && defined(CONFIG_PCI_HCI)
238 #define RXBD_SIZE sizeof(struct recv_stat)
239 #endif
240
241 #define RXDESC_SIZE 24
242 #define RXDESC_OFFSET RXDESC_SIZE
243
244 #ifdef CONFIG_TRX_BD_ARCH
245 struct rx_buf_desc {
246 /* RX has exactly one segment */
247 #ifdef CONFIG_64BIT_DMA
248 unsigned int dword[4];
249 #else
250 unsigned int dword[2];
251 #endif
252 };
253
254 struct recv_stat {
255 unsigned int rxdw[8];
256 };
257 #else
258 struct recv_stat {
259 unsigned int rxdw0;
260
261 unsigned int rxdw1;
262
263 #if !((defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C) || defined(CONFIG_RTL8822C)) && defined(CONFIG_PCI_HCI)) /* exclude 8192ee, 8814ae, 8822be, 8821ce */
264 unsigned int rxdw2;
265
266 unsigned int rxdw3;
267 #endif
268
269 #ifndef BUF_DESC_ARCH
270 unsigned int rxdw4;
271
272 unsigned int rxdw5;
273
274 #ifdef CONFIG_PCI_HCI
275 unsigned int rxdw6;
276
277 unsigned int rxdw7;
278 #endif
279 #endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */
280 };
281 #endif
282
283 #define EOR BIT(30)
284
285 #ifdef CONFIG_PCI_HCI
286 #define PCI_MAX_RX_QUEUE 1/* MSDU packet queue, Rx Command Queue */
287 #define PCI_MAX_RX_COUNT 128
288 #ifdef CONFIG_TRX_BD_ARCH
289 #define RX_BD_NUM PCI_MAX_RX_COUNT /* alias */
290 #endif
291
292 struct rtw_rx_ring {
293 #ifdef CONFIG_TRX_BD_ARCH
294 struct rx_buf_desc *buf_desc;
295 #else
296 struct recv_stat *desc;
297 #endif
298 dma_addr_t dma;
299 unsigned int idx;
300 struct sk_buff *rx_buf[PCI_MAX_RX_COUNT];
301 };
302 #endif
303
304 struct rtw_ip_dbg_cnt_statistic {
305 u8 enabled;
306 u8 ip[4];
307 u16 dst_port;
308 u32 ip_cnt;
309 u32 tcp_cnt;
310 u32 udp_cnt;
311 u32 frag_cnt;
312 u8 iperf_ver; /* bit7 for debug enable */
313 u32 iperf_seq;
314 u32 iperf_err_cnt;
315 u32 iperf_out_of_order_cnt;
316
317 u32 ip_seq_chk;
318 u16 frag_offset_chk, max_frag_offset_chk;
319 u8 defrag_done;
320
321 #define need_to_chk_iudp_cnt(p, s) \
322 ((GET_IPV4_PROTOCOL((p)) == 0x11) && \
323 ((((struct rtw_ip_dbg_cnt_statistic *)(s))->iperf_ver & 0x7f) > 0))
324 #define ip_cnt_inc(s) \
325 ((struct rtw_ip_dbg_cnt_statistic *)(s))->ip_cnt++
326 #define frag_cnt_inc(s) \
327 ((struct rtw_ip_dbg_cnt_statistic *)(s))->frag_cnt++
328 #define tcp_udp_cnt_inc(p, s) \
329 do { \
330 if (GET_IPV4_PROTOCOL(p) == 0x06) \
331 ((struct rtw_ip_dbg_cnt_statistic *)(s))->tcp_cnt++; \
332 else if (GET_IPV4_PROTOCOL(p) == 0x11) \
333 ((struct rtw_ip_dbg_cnt_statistic *)(s))->udp_cnt++; \
334 } while(0)
335 #define iudp_err_cnt_inc(s, str) \
336 do { \
337 struct rtw_ip_dbg_cnt_statistic *ps = \
338 (struct rtw_ip_dbg_cnt_statistic *)(s); \
339 ps->iperf_err_cnt++; \
340 if (((ps->iperf_ver & 0xf0) >> 7) > 0) \
341 RTW_INFO("%s : %s-err iperf_err_cnt(%u), iperf_seq(%u)\n"\
342 ,__func__, (const u8 *)(str), ps->iperf_err_cnt, ps->iperf_seq); \
343 } while(0)
344 #define iudp_err_cnt_update(s, c) \
345 do { \
346 struct rtw_ip_dbg_cnt_statistic *ps = \
347 (struct rtw_ip_dbg_cnt_statistic *)(s); \
348 ps->iperf_err_cnt += ((c - 1) - ps->iperf_seq); \
349 if (((ps->iperf_ver & 0xf0) >> 7) > 0) \
350 RTW_INFO("%s : iperf_err_cnt(%u), cur_iperf_seq(%u), last_iperf_seq(%u)\n"\
351 ,__func__, ps->iperf_err_cnt, (c), ps->iperf_seq); \
352 } while(0)
353 #define iperf_out_of_order_cnt_inc(s, c) \
354 do { \
355 struct rtw_ip_dbg_cnt_statistic *ps = \
356 (struct rtw_ip_dbg_cnt_statistic *)(s); \
357 ps->iperf_out_of_order_cnt++; \
358 if (((ps->iperf_ver & 0xf0) >> 7) > 0) \
359 RTW_INFO("%s : iperf_out_of_order_cnt(%u), cur_iperf_seq(%u), last_iperf_seq(%u)\n"\
360 ,__func__, ps->iperf_out_of_order_cnt, (c), ps->iperf_seq); \
361 } while(0)
362
363 #define iudp_ip_seq_set(s, v) \
364 (((struct rtw_ip_dbg_cnt_statistic *)(s))->iperf_seq = (v))
365 #define iudp_ip_seq_get(s) \
366 ((struct rtw_ip_dbg_cnt_statistic *)(s))->iperf_seq
367 #define iudp_defrag_done_set(s, v) \
368 (((struct rtw_ip_dbg_cnt_statistic *)(s))->defrag_done = (v))
369 #define iudp_defrag_done_get(s) \
370 ((struct rtw_ip_dbg_cnt_statistic *)(s))->defrag_done
371 #define iudp_ip_seq_chk_set(s, v) \
372 (((struct rtw_ip_dbg_cnt_statistic *)(s))->ip_seq_chk = (v))
373 #define iudp_ip_seq_chk_get(s) \
374 ((struct rtw_ip_dbg_cnt_statistic *)(s))->ip_seq_chk
375 #define iudp_frag_offset_chk_set(s, v) \
376 (((struct rtw_ip_dbg_cnt_statistic *)(s))->frag_offset_chk = (v))
377 #define iudp_frag_offset_chk_get(s) \
378 ((struct rtw_ip_dbg_cnt_statistic *)(s))->frag_offset_chk
379 #define iudp_max_frag_offset_chk_set(s, v) \
380 (((struct rtw_ip_dbg_cnt_statistic *)(s))->max_frag_offset_chk = (v))
381 #define iudp_max_frag_offset_chk_get(s) \
382 ((struct rtw_ip_dbg_cnt_statistic *)(s))->max_frag_offset_chk
383 }; /* end of struct rtw_ip_dbg_cnt_statistic */
384
385 /*
386 accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
387 ; halt(passive) ;
388
389 using enter_critical section to protect
390 */
391
392 #ifndef DBG_RX_BH_TRACKING
393 #define DBG_RX_BH_TRACKING 0
394 #endif
395
396 struct recv_priv {
397 _lock lock;
398
399 #ifdef CONFIG_RECV_THREAD_MODE
400 _sema recv_sema;
401
402 #endif
403
404 /* _queue blk_strms[MAX_RX_NUMBLKS]; */ /* keeping the block ack frame until return ack */
405 _queue free_recv_queue;
406 _queue recv_pending_queue;
407 _queue uc_swdec_pending_queue;
408
409
410 u8 *pallocated_frame_buf;
411 u8 *precv_frame_buf;
412
413 uint free_recvframe_cnt;
414
415 #if DBG_RX_BH_TRACKING
416 u32 rx_bh_stage;
417 u32 rx_bh_buf_dq_cnt;
418 void *rx_bh_lbuf;
419 void *rx_bh_cbuf;
420 void *rx_bh_cbuf_data;
421 u32 rx_bh_cbuf_dlen;
422 u32 rx_bh_cbuf_pos;
423 void *rx_bh_cframe;
424 #endif
425
426 _adapter *adapter;
427
428 u32 is_any_non_be_pkts;
429
430 u64 rx_bytes;
431 u64 rx_pkts;
432 u64 rx_drop;
433
434 u64 dbg_rx_drop_count;
435 u64 dbg_rx_ampdu_drop_count;
436 u64 dbg_rx_ampdu_forced_indicate_count;
437 u64 dbg_rx_ampdu_loss_count;
438 u64 dbg_rx_dup_mgt_frame_drop_count;
439 u64 dbg_rx_ampdu_window_shift_cnt;
440 u64 dbg_rx_conflic_mac_addr_cnt;
441
442 uint rx_icv_err;
443 uint rx_largepacket_crcerr;
444 uint rx_smallpacket_crcerr;
445 uint rx_middlepacket_crcerr;
446
447 struct rtw_ip_dbg_cnt_statistic ip_statistic;
448
449 #ifdef CONFIG_USB_HCI
450 /* u8 *pallocated_urb_buf; */
451 _sema allrxreturnevt;
452 uint ff_hwaddr;
453 ATOMIC_T rx_pending_cnt;
454 #ifdef CONFIG_USB_PROTECT_RX_CLONED_SKB
455 struct sk_buff_head rx_cloned_skb_queue;
456 #endif
457
458 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
459 #ifdef PLATFORM_LINUX
460 PURB int_in_urb;
461 #endif
462
463 u8 *int_in_buf;
464 #endif /* CONFIG_USB_INTERRUPT_IN_PIPE */
465
466 #endif
467 #if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
468 _tasklet irq_prepare_beacon_tasklet;
469 _tasklet recv_tasklet;
470
471 struct sk_buff_head free_recv_skb_queue;
472 struct sk_buff_head rx_skb_queue;
473 #ifdef CONFIG_RTW_NAPI
474 struct sk_buff_head rx_napi_skb_queue;
475 #endif
476 #ifdef CONFIG_RX_INDICATE_QUEUE
477 _tasklet rx_indicate_tasklet;
478 struct ifqueue rx_indicate_queue;
479 #endif /* CONFIG_RX_INDICATE_QUEUE */
480
481 #endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) */
482
483 u8 *pallocated_recv_buf;
484 u8 *precv_buf; /* 4 alignment */
485 _queue free_recv_buf_queue;
486 u32 free_recv_buf_queue_cnt;
487
488 #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) || defined(CONFIG_USB_HCI)
489 _queue recv_buf_pending_queue;
490 #endif
491
492 #if defined(CONFIG_SDIO_HCI)
493 #ifdef CONFIG_SDIO_RECVBUF_PWAIT
494 struct rtw_pwait_ctx recvbuf_pwait;
495 #endif
496 #ifdef CONFIG_SDIO_RECVBUF_AGGREGATION
497 bool recvbuf_agg;
498 #endif
499 #endif /* CONFIG_SDIO_HCI */
500
501 #ifdef CONFIG_PCI_HCI
502 /* Rx */
503 struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE];
504 int rxringcount; /* size should be PCI_MAX_RX_QUEUE */
505 u32 rxbuffersize;
506 #endif
507
508 /* For display the phy informatiom */
509 u8 is_signal_dbg; /* for debug */
510 u8 signal_strength_dbg; /* for debug */
511
512 u8 signal_strength;
513 u8 signal_qual;
514 s8 rssi; /* translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); */
515 struct rx_raw_rssi raw_rssi_info;
516 /* s8 rxpwdb; */
517 /* int RxSNRdB[2]; */
518 /* s8 RxRssi[2]; */
519 /* int FalseAlmCnt_all; */
520
521
522 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
523 _timer signal_stat_timer;
524 u32 signal_stat_sampling_interval;
525 /* u32 signal_stat_converging_constant; */
526 struct signal_stat signal_qual_data;
527 struct signal_stat signal_strength_data;
528 #else /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
529 struct smooth_rssi_data signal_qual_data;
530 struct smooth_rssi_data signal_strength_data;
531 #endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
532 u16 sink_udpport, pre_rtp_rxseq, cur_rtp_rxseq;
533
534 BOOLEAN store_law_data_flag;
535 };
536
537 #ifdef CONFIG_SDIO_RECVBUF_AGGREGATION
538 #define recv_buf_agg(recvpriv) recvpriv->recvbuf_agg
539 #ifndef CONFIG_SDIO_RECVBUF_AGGREGATION_EN
540 #define CONFIG_SDIO_RECVBUF_AGGREGATION_EN 1
541 #endif
542 #else
543 #define recv_buf_agg(recvpriv) 0
544 #endif
545
546 #define RX_BH_STG_UNKNOWN 0
547 #define RX_BH_STG_HDL_ENTER 1
548 #define RX_BH_STG_HDL_EXIT 2
549 #define RX_BH_STG_NEW_BUF 3
550 #define RX_BH_STG_NEW_FRAME 4
551 #define RX_BH_STG_NORMAL_RX 5
552 #define RX_BH_STG_NORMAL_RX_END 6
553 #define RX_BH_STG_C2H 7
554 #define RX_BH_STG_C2H_END 8
555
556 #if DBG_RX_BH_TRACKING
557 void rx_bh_tk_set_stage(struct recv_priv *recv, u32 s);
558 void rx_bh_tk_set_buf(struct recv_priv *recv, void *buf, void *data, u32 dlen);
559 void rx_bh_tk_set_buf_pos(struct recv_priv *recv, void *pos);
560 void rx_bh_tk_set_frame(struct recv_priv *recv, void *frame);
561 void dump_rx_bh_tk(void *sel, struct recv_priv *recv);
562 #else
563 #define rx_bh_tk_set_stage(recv, s) do {} while (0)
564 #define rx_bh_tk_set_buf(recv, buf, data, dlen) do {} while (0)
565 #define rx_bh_tk_set_buf_pos(recv, pos) do {} while (0)
566 #define rx_bh_tk_set_frame(recv, frame) do {} while (0)
567 #define dump_rx_bh_tk(sel, recv) do {} while (0)
568 #endif
569
570 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
571 #define rtw_set_signal_stat_timer(recvpriv) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval)
572 #endif /* CONFIG_NEW_SIGNAL_STAT_PROCESS */
573
574 struct sta_recv_priv {
575
576 _lock lock;
577 sint option;
578
579 /* _queue blk_strms[MAX_RX_NUMBLKS]; */
580 _queue defrag_q; /* keeping the fragment frame until defrag */
581
582 struct stainfo_rxcache rxcache;
583 u16 bmc_tid_rxseq[16];
584 u16 nonqos_rxseq;
585 u16 nonqos_bmc_rxseq;
586
587 /* uint sta_rx_bytes; */
588 /* uint sta_rx_pkts; */
589 /* uint sta_rx_fail; */
590
591 };
592
593
594 #define RBUF_TYPE_PREALLOC 0
595 #define RBUF_TYPE_TMP 1
596 #define RBUF_TYPE_PWAIT_ADJ 2
597
598 struct recv_buf {
599 _list list;
600
601 #ifdef PLATFORM_WINDOWS
602 _lock recvbuf_lock;
603 #endif
604
605 #ifdef CONFIG_SDIO_RECVBUF_PWAIT_RUNTIME_ADJUST
606 u8 type;
607 #endif
608
609 u32 ref_cnt;
610
611 PADAPTER adapter;
612
613 u8 *pbuf;
614 u8 *pallocated_buf;
615
616 u32 len;
617 u8 *phead;
618 u8 *pdata;
619 u8 *ptail;
620 u8 *pend;
621
622 #ifdef CONFIG_USB_HCI
623 PURB purb;
624 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
625 u32 alloc_sz;
626
627 u8 irp_pending;
628 int transfer_len;
629 #endif
630
631 #if defined(PLATFORM_LINUX)
632 _pkt *pskb;
633 #elif defined(PLATFORM_FREEBSD) /* skb solution */
634 struct sk_buff *pskb;
635 #endif
636 };
637
638 #ifdef CONFIG_SDIO_RECVBUF_PWAIT_RUNTIME_ADJUST
639 #define RBUF_IS_PREALLOC(rbuf) ((rbuf)->type == RBUF_TYPE_PREALLOC)
640 #else
641 #define RBUF_IS_PREALLOC(rbuf) 1
642 #endif
643
644 /*
645 head ----->
646
647 data ----->
648
649 payload
650
651 tail ----->
652
653
654 end ----->
655
656 len = (unsigned int )(tail - data);
657
658 */
659 struct recv_frame_hdr {
660 _list list;
661 _pkt *pkt;
662
663 _adapter *adapter;
664
665 u8 fragcnt;
666
667 int frame_tag;
668 int keytrack;
669 struct rx_pkt_attrib attrib;
670
671 uint len;
672 u8 *rx_head;
673 u8 *rx_data;
674 u8 *rx_tail;
675 u8 *rx_end;
676
677 void *precvbuf;
678
679
680 /* */
681 struct sta_info *psta;
682
683 /* for A-MPDU Rx reordering buffer control */
684 struct recv_reorder_ctrl *preorder_ctrl;
685
686 #ifdef CONFIG_WAPI_SUPPORT
687 u8 UserPriority;
688 u8 WapiTempPN[16];
689 u8 WapiSrcAddr[6];
690 u8 bWapiCheckPNInDecrypt;
691 u8 bIsWaiPacket;
692 #endif
693
694 };
695
696
697 union recv_frame {
698
699 union {
700 _list list;
701 struct recv_frame_hdr hdr;
702 uint mem[RECVFRAME_HDR_ALIGN >> 2];
703 } u;
704
705 /* uint mem[MAX_RXSZ>>2]; */
706
707 };
708
709 enum rtw_rx_llc_hdl {
710 RTW_RX_LLC_KEEP = 0,
711 RTW_RX_LLC_REMOVE = 1,
712 RTW_RX_LLC_VLAN = 2,
713 };
714
715 bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset);
716
717 typedef enum _RX_PACKET_TYPE {
718 NORMAL_RX,/* Normal rx packet */
719 TX_REPORT1,/* CCX */
720 TX_REPORT2,/* TX RPT */
721 HIS_REPORT,/* USB HISR RPT */
722 C2H_PACKET
723 } RX_PACKET_TYPE, *PRX_PACKET_TYPE;
724
725 extern union recv_frame *_rtw_alloc_recvframe(_queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */
726 extern union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */
727 extern void rtw_init_recvframe(union recv_frame *precvframe , struct recv_priv *precvpriv);
728 extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue);
729
730 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
731 extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
732 extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
733
734 extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue);
735 u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter);
736
737 sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
738 sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
739 struct recv_buf *rtw_dequeue_recvbuf(_queue *queue);
740
741 void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
742 void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
743
744 #if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
745 void rtw_reordering_ctrl_timeout_handler(void *pcontext);
746 #endif
747
748 void rx_query_phy_status(union recv_frame *rframe, u8 *phy_stat);
749 int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index);
750 void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index);
751
752 #ifdef CONFIG_RECV_THREAD_MODE
753 thread_return rtw_recv_thread(thread_context context);
754 #endif
755
get_rxmem(union recv_frame * precvframe)756 __inline static u8 *get_rxmem(union recv_frame *precvframe)
757 {
758 /* always return rx_head... */
759 if (precvframe == NULL)
760 return NULL;
761
762 return precvframe->u.hdr.rx_head;
763 }
764
get_rx_status(union recv_frame * precvframe)765 __inline static u8 *get_rx_status(union recv_frame *precvframe)
766 {
767
768 return get_rxmem(precvframe);
769
770 }
771
get_recvframe_data(union recv_frame * precvframe)772 __inline static u8 *get_recvframe_data(union recv_frame *precvframe)
773 {
774
775 /* alwasy return rx_data */
776 if (precvframe == NULL)
777 return NULL;
778
779 return precvframe->u.hdr.rx_data;
780
781 }
782
recvframe_push(union recv_frame * precvframe,sint sz)783 __inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
784 {
785 /* append data before rx_data */
786
787 /* add data to the start of recv_frame
788 *
789 * This function extends the used data area of the recv_frame at the buffer
790 * start. rx_data must be still larger than rx_head, after pushing.
791 */
792
793 if (precvframe == NULL)
794 return NULL;
795
796
797 precvframe->u.hdr.rx_data -= sz ;
798 if (precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head) {
799 precvframe->u.hdr.rx_data += sz ;
800 return NULL;
801 }
802
803 precvframe->u.hdr.len += sz;
804
805 return precvframe->u.hdr.rx_data;
806
807 }
808
809
recvframe_pull(union recv_frame * precvframe,sint sz)810 __inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
811 {
812 /* rx_data += sz; move rx_data sz bytes hereafter */
813
814 /* used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller */
815
816
817 if (precvframe == NULL)
818 return NULL;
819
820
821 precvframe->u.hdr.rx_data += sz;
822
823 if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
824 precvframe->u.hdr.rx_data -= sz;
825 return NULL;
826 }
827
828 precvframe->u.hdr.len -= sz;
829
830 return precvframe->u.hdr.rx_data;
831
832 }
833
recvframe_put(union recv_frame * precvframe,sint sz)834 __inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
835 {
836 /* rx_tai += sz; move rx_tail sz bytes hereafter */
837
838 /* used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller */
839 /* after putting, rx_tail must be still larger than rx_end. */
840 unsigned char *prev_rx_tail;
841
842 /* RTW_INFO("recvframe_put: len=%d\n", sz); */
843
844 if (precvframe == NULL)
845 return NULL;
846
847 prev_rx_tail = precvframe->u.hdr.rx_tail;
848
849 precvframe->u.hdr.rx_tail += sz;
850
851 if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
852 precvframe->u.hdr.rx_tail -= sz;
853 return NULL;
854 }
855
856 precvframe->u.hdr.len += sz;
857
858 return precvframe->u.hdr.rx_tail;
859
860 }
861
862
863
recvframe_pull_tail(union recv_frame * precvframe,sint sz)864 __inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
865 {
866 /* rmv data from rx_tail (by yitsen) */
867
868 /* used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller */
869 /* after pulling, rx_end must be still larger than rx_data. */
870
871 if (precvframe == NULL)
872 return NULL;
873
874 precvframe->u.hdr.rx_tail -= sz;
875
876 if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
877 precvframe->u.hdr.rx_tail += sz;
878 return NULL;
879 }
880
881 precvframe->u.hdr.len -= sz;
882
883 return precvframe->u.hdr.rx_tail;
884
885 }
886
887 #if 0
888 __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
889 {
890 /* due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame */
891 /* from any given member of recv_frame. */
892 /* rxmem indicates the any member/address in recv_frame */
893
894 return (union recv_frame *)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN);
895
896 }
897
898 __inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
899 {
900
901 u8 *buf_star;
902 union recv_frame *precv_frame;
903 precv_frame = rxmem_to_recvframe((unsigned char *)buf_star);
904
905 return precv_frame;
906 }
907
908 __inline static u8 *pkt_to_recvmem(_pkt *pkt)
909 {
910 /* return the rx_head */
911
912 union recv_frame *precv_frame = pkt_to_recvframe(pkt);
913
914 return precv_frame->u.hdr.rx_head;
915
916 }
917
918 __inline static u8 *pkt_to_recvdata(_pkt *pkt)
919 {
920 /* return the rx_data */
921
922 union recv_frame *precv_frame = pkt_to_recvframe(pkt);
923
924 return precv_frame->u.hdr.rx_data;
925
926 }
927 #endif
928
929
get_recvframe_len(union recv_frame * precvframe)930 __inline static sint get_recvframe_len(union recv_frame *precvframe)
931 {
932 return precvframe->u.hdr.len;
933 }
934
935
translate_percentage_to_dbm(u32 SignalStrengthIndex)936 __inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
937 {
938 s32 SignalPower; /* in dBm. */
939
940 /* Translate to dBm (x=y-100) */
941 SignalPower = SignalStrengthIndex - 100;
942 return SignalPower;
943 }
944
945 struct sta_info;
946
947 extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
948
949 extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);
950
951 u8 adapter_allow_bmc_data_rx(_adapter *adapter);
952 s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status);
953 void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta);
954
955 #endif
956