1
2
3
4
5
6
7#define _RTW_XMIT_C_
8
9#include <drv_types.h>
10#include <rtw_debug.h>
11
12static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
13static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
14
15static void _init_txservq(struct tx_servq *ptxservq)
16{
17 INIT_LIST_HEAD(&ptxservq->tx_pending);
18 _rtw_init_queue(&ptxservq->sta_pending);
19 ptxservq->qcnt = 0;
20}
21
22void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
23{
24 memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
25
26 spin_lock_init(&psta_xmitpriv->lock);
27
28
29
30
31 _init_txservq(&psta_xmitpriv->be_q);
32 _init_txservq(&psta_xmitpriv->bk_q);
33 _init_txservq(&psta_xmitpriv->vi_q);
34 _init_txservq(&psta_xmitpriv->vo_q);
35 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
36 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
37}
38
39s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
40{
41 int i;
42 struct xmit_buf *pxmitbuf;
43 struct xmit_frame *pxframe;
44 sint res = _SUCCESS;
45
46 spin_lock_init(&pxmitpriv->lock);
47 spin_lock_init(&pxmitpriv->lock_sctx);
48 init_completion(&pxmitpriv->xmit_comp);
49 init_completion(&pxmitpriv->terminate_xmitthread_comp);
50
51
52
53
54
55 pxmitpriv->adapter = padapter;
56
57
58
59
60 _rtw_init_queue(&pxmitpriv->be_pending);
61 _rtw_init_queue(&pxmitpriv->bk_pending);
62 _rtw_init_queue(&pxmitpriv->vi_pending);
63 _rtw_init_queue(&pxmitpriv->vo_pending);
64 _rtw_init_queue(&pxmitpriv->bm_pending);
65
66
67
68
69 _rtw_init_queue(&pxmitpriv->free_xmit_queue);
70
71
72
73
74
75
76
77 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
78
79 if (pxmitpriv->pallocated_frame_buf == NULL) {
80 pxmitpriv->pxmit_frame_buf = NULL;
81 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
82 res = _FAIL;
83 goto exit;
84 }
85 pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4);
86
87
88
89 pxframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf;
90
91 for (i = 0; i < NR_XMITFRAME; i++) {
92 INIT_LIST_HEAD(&(pxframe->list));
93
94 pxframe->padapter = padapter;
95 pxframe->frame_tag = NULL_FRAMETAG;
96
97 pxframe->pkt = NULL;
98
99 pxframe->buf_addr = NULL;
100 pxframe->pxmitbuf = NULL;
101
102 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
103
104 pxframe++;
105 }
106
107 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
108
109 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
110
111
112
113 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
114 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
115
116 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
117
118 if (pxmitpriv->pallocated_xmitbuf == NULL) {
119 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
120 res = _FAIL;
121 goto exit;
122 }
123
124 pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4);
125
126
127
128 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
129
130 for (i = 0; i < NR_XMITBUFF; i++) {
131 INIT_LIST_HEAD(&pxmitbuf->list);
132
133 pxmitbuf->priv_data = NULL;
134 pxmitbuf->padapter = padapter;
135 pxmitbuf->buf_tag = XMITBUF_DATA;
136
137
138 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
139 if (res == _FAIL) {
140 msleep(10);
141 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
142 if (res == _FAIL)
143 goto exit;
144 }
145
146 pxmitbuf->phead = pxmitbuf->pbuf;
147 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ;
148 pxmitbuf->len = 0;
149 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
150
151 pxmitbuf->flags = XMIT_VO_QUEUE;
152
153 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
154 #ifdef DBG_XMIT_BUF
155 pxmitbuf->no = i;
156 #endif
157
158 pxmitbuf++;
159
160 }
161
162 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
163
164
165 _rtw_init_queue(&pxmitpriv->free_xframe_ext_queue);
166
167 pxmitpriv->xframe_ext_alloc_addr = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4);
168
169 if (pxmitpriv->xframe_ext_alloc_addr == NULL) {
170 pxmitpriv->xframe_ext = NULL;
171 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xframe_ext fail!\n"));
172 res = _FAIL;
173 goto exit;
174 }
175 pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4);
176 pxframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
177
178 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
179 INIT_LIST_HEAD(&(pxframe->list));
180
181 pxframe->padapter = padapter;
182 pxframe->frame_tag = NULL_FRAMETAG;
183
184 pxframe->pkt = NULL;
185
186 pxframe->buf_addr = NULL;
187 pxframe->pxmitbuf = NULL;
188
189 pxframe->ext_tag = 1;
190
191 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xframe_ext_queue.queue));
192
193 pxframe++;
194 }
195 pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF;
196
197
198 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
199
200 pxmitpriv->pallocated_xmit_extbuf = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
201
202 if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
203 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
204 res = _FAIL;
205 goto exit;
206 }
207
208 pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4);
209
210 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
211
212 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
213 INIT_LIST_HEAD(&pxmitbuf->list);
214
215 pxmitbuf->priv_data = NULL;
216 pxmitbuf->padapter = padapter;
217 pxmitbuf->buf_tag = XMITBUF_MGNT;
218
219 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, true);
220 if (res == _FAIL) {
221 res = _FAIL;
222 goto exit;
223 }
224
225 pxmitbuf->phead = pxmitbuf->pbuf;
226 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ;
227 pxmitbuf->len = 0;
228 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
229
230 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
231 #ifdef DBG_XMIT_BUF_EXT
232 pxmitbuf->no = i;
233 #endif
234 pxmitbuf++;
235
236 }
237
238 pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF;
239
240 for (i = 0; i < CMDBUF_MAX; i++) {
241 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
242 if (pxmitbuf) {
243 INIT_LIST_HEAD(&pxmitbuf->list);
244
245 pxmitbuf->priv_data = NULL;
246 pxmitbuf->padapter = padapter;
247 pxmitbuf->buf_tag = XMITBUF_CMD;
248
249 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
250 if (res == _FAIL) {
251 res = _FAIL;
252 goto exit;
253 }
254
255 pxmitbuf->phead = pxmitbuf->pbuf;
256 pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ;
257 pxmitbuf->len = 0;
258 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
259 pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ;
260 }
261 }
262
263 res = rtw_alloc_hwxmits(padapter);
264 if (res == _FAIL)
265 goto exit;
266 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
267
268 for (i = 0; i < 4; i++) {
269 pxmitpriv->wmm_para_seq[i] = i;
270 }
271
272 pxmitpriv->ack_tx = false;
273 mutex_init(&pxmitpriv->ack_tx_mutex);
274 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
275
276 rtw_hal_init_xmit_priv(padapter);
277
278exit:
279 return res;
280}
281
282void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
283{
284 int i;
285 struct adapter *padapter = pxmitpriv->adapter;
286 struct xmit_frame *pxmitframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf;
287 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
288
289 rtw_hal_free_xmit_priv(padapter);
290
291 if (pxmitpriv->pxmit_frame_buf == NULL)
292 return;
293
294 for (i = 0; i < NR_XMITFRAME; i++) {
295 rtw_os_xmit_complete(padapter, pxmitframe);
296
297 pxmitframe++;
298 }
299
300 for (i = 0; i < NR_XMITBUFF; i++) {
301 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
302
303 pxmitbuf++;
304 }
305
306 if (pxmitpriv->pallocated_frame_buf)
307 vfree(pxmitpriv->pallocated_frame_buf);
308
309
310 if (pxmitpriv->pallocated_xmitbuf)
311 vfree(pxmitpriv->pallocated_xmitbuf);
312
313
314 pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
315 if (pxmitframe) {
316 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
317 rtw_os_xmit_complete(padapter, pxmitframe);
318 pxmitframe++;
319 }
320 }
321 if (pxmitpriv->xframe_ext_alloc_addr)
322 vfree(pxmitpriv->xframe_ext_alloc_addr);
323
324
325 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
326 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
327 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ), true);
328
329 pxmitbuf++;
330 }
331
332 if (pxmitpriv->pallocated_xmit_extbuf) {
333 vfree(pxmitpriv->pallocated_xmit_extbuf);
334 }
335
336 for (i = 0; i < CMDBUF_MAX; i++) {
337 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
338 if (pxmitbuf != NULL)
339 rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
340 }
341
342 rtw_free_hwxmits(padapter);
343
344 mutex_destroy(&pxmitpriv->ack_tx_mutex);
345}
346
347u8 query_ra_short_GI(struct sta_info *psta)
348{
349 u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false;
350
351 sgi_20m = psta->htpriv.sgi_20m;
352 sgi_40m = psta->htpriv.sgi_40m;
353
354 switch (psta->bw_mode) {
355 case CHANNEL_WIDTH_80:
356 sgi = sgi_80m;
357 break;
358 case CHANNEL_WIDTH_40:
359 sgi = sgi_40m;
360 break;
361 case CHANNEL_WIDTH_20:
362 default:
363 sgi = sgi_20m;
364 break;
365 }
366
367 return sgi;
368}
369
370static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
371{
372 u32 sz;
373 struct pkt_attrib *pattrib = &pxmitframe->attrib;
374
375 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
376 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
377
378 if (pattrib->nr_frags != 1)
379 sz = padapter->xmitpriv.frag_len;
380 else
381 sz = pattrib->last_txcmdsz;
382
383
384
385
386
387 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
388 if (sz > padapter->registrypriv.rts_thresh)
389 pattrib->vcs_mode = RTS_CTS;
390 else {
391 if (pattrib->rtsen)
392 pattrib->vcs_mode = RTS_CTS;
393 else if (pattrib->cts2self)
394 pattrib->vcs_mode = CTS_TO_SELF;
395 else
396 pattrib->vcs_mode = NONE_VCS;
397 }
398 } else {
399 while (true) {
400
401 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en == true) &&
402 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
403 pattrib->vcs_mode = CTS_TO_SELF;
404 break;
405 }
406
407
408
409 if (pattrib->rtsen || pattrib->cts2self) {
410 if (pattrib->rtsen)
411 pattrib->vcs_mode = RTS_CTS;
412 else if (pattrib->cts2self)
413 pattrib->vcs_mode = CTS_TO_SELF;
414
415 break;
416 }
417
418
419 if (pattrib->ht_en) {
420 u8 HTOpMode = pmlmeinfo->HT_protection;
421 if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
422 (!pmlmeext->cur_bwmode && HTOpMode == 3)) {
423 pattrib->vcs_mode = RTS_CTS;
424 break;
425 }
426 }
427
428
429 if (sz > padapter->registrypriv.rts_thresh) {
430 pattrib->vcs_mode = RTS_CTS;
431 break;
432 }
433
434
435
436
437 if (pattrib->ampdu_en == true) {
438 pattrib->vcs_mode = RTS_CTS;
439 break;
440 }
441
442 pattrib->vcs_mode = NONE_VCS;
443 break;
444 }
445 }
446
447
448 if (padapter->driver_vcs_en == 1)
449 pattrib->vcs_mode = padapter->driver_vcs_type;
450}
451
452static void update_attrib_phy_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
453{
454 struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv;
455
456 pattrib->rtsen = psta->rtsen;
457 pattrib->cts2self = psta->cts2self;
458
459 pattrib->mdata = 0;
460 pattrib->eosp = 0;
461 pattrib->triggered = 0;
462 pattrib->ampdu_spacing = 0;
463
464
465 pattrib->qos_en = psta->qos_option;
466
467 pattrib->raid = psta->raid;
468
469 if (mlmeext->cur_bwmode < psta->bw_mode)
470 pattrib->bwmode = mlmeext->cur_bwmode;
471 else
472 pattrib->bwmode = psta->bw_mode;
473
474 pattrib->sgi = query_ra_short_GI(psta);
475
476 pattrib->ldpc = psta->ldpc;
477 pattrib->stbc = psta->stbc;
478
479 pattrib->ht_en = psta->htpriv.ht_option;
480 pattrib->ch_offset = psta->htpriv.ch_offset;
481 pattrib->ampdu_en = false;
482
483 if (padapter->driver_ampdu_spacing != 0xFF)
484 pattrib->ampdu_spacing = padapter->driver_ampdu_spacing;
485 else
486 pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing;
487
488
489
490
491
492
493
494
495 pattrib->retry_ctrl = false;
496
497#ifdef CONFIG_AUTO_AP_MODE
498 if (psta->isrc && psta->pid > 0)
499 pattrib->pctrl = true;
500#endif
501
502}
503
504static s32 update_attrib_sec_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
505{
506 sint res = _SUCCESS;
507 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
508 struct security_priv *psecuritypriv = &padapter->securitypriv;
509 sint bmcast = IS_MCAST(pattrib->ra);
510
511 memset(pattrib->dot118021x_UncstKey.skey, 0, 16);
512 memset(pattrib->dot11tkiptxmickey.skey, 0, 16);
513 pattrib->mac_id = psta->mac_id;
514
515 if (psta->ieee8021x_blocked == true) {
516 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
517
518 pattrib->encrypt = 0;
519
520 if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) {
521 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
522 #ifdef DBG_TX_DROP_FRAME
523 DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == true, pattrib->ether_type(%04x) != 0x888e\n", __func__, pattrib->ether_type);
524 #endif
525 res = _FAIL;
526 goto exit;
527 }
528 } else {
529 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
530
531 switch (psecuritypriv->dot11AuthAlgrthm) {
532 case dot11AuthAlgrthm_Open:
533 case dot11AuthAlgrthm_Shared:
534 case dot11AuthAlgrthm_Auto:
535 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
536 break;
537 case dot11AuthAlgrthm_8021X:
538 if (bmcast)
539 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
540 else
541 pattrib->key_idx = 0;
542 break;
543 default:
544 pattrib->key_idx = 0;
545 break;
546 }
547
548
549 if (((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) && (pattrib->ether_type == 0x888e))
550 pattrib->encrypt = _NO_PRIVACY_;
551
552 }
553
554 switch (pattrib->encrypt) {
555 case _WEP40_:
556 case _WEP104_:
557 pattrib->iv_len = 4;
558 pattrib->icv_len = 4;
559 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
560 break;
561
562 case _TKIP_:
563 pattrib->iv_len = 8;
564 pattrib->icv_len = 4;
565
566 if (psecuritypriv->busetkipkey == _FAIL) {
567 #ifdef DBG_TX_DROP_FRAME
568 DBG_871X("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d) == _FAIL drop packet\n", __func__, psecuritypriv->busetkipkey);
569 #endif
570 res = _FAIL;
571 goto exit;
572 }
573
574 if (bmcast)
575 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
576 else
577 TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
578
579
580 memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16);
581
582 break;
583
584 case _AES_:
585
586 pattrib->iv_len = 8;
587 pattrib->icv_len = 8;
588
589 if (bmcast)
590 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
591 else
592 AES_IV(pattrib->iv, psta->dot11txpn, 0);
593
594 break;
595
596 default:
597 pattrib->iv_len = 0;
598 pattrib->icv_len = 0;
599 break;
600 }
601
602 if (pattrib->encrypt > 0)
603 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
604
605 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
606 ("update_attrib: encrypt =%d securitypriv.sw_encrypt =%d\n",
607 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
608
609 if (pattrib->encrypt &&
610 ((padapter->securitypriv.sw_encrypt == true) || (psecuritypriv->hw_decrypted == false))) {
611 pattrib->bswenc = true;
612 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
613 ("update_attrib: encrypt =%d securitypriv.hw_decrypted =%d bswenc =true\n",
614 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
615 } else {
616 pattrib->bswenc = false;
617 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc =false\n"));
618 }
619
620exit:
621
622 return res;
623
624}
625
626u8 qos_acm(u8 acm_mask, u8 priority)
627{
628 u8 change_priority = priority;
629
630 switch (priority) {
631 case 0:
632 case 3:
633 if (acm_mask & BIT(1))
634 change_priority = 1;
635 break;
636 case 1:
637 case 2:
638 break;
639 case 4:
640 case 5:
641 if (acm_mask & BIT(2))
642 change_priority = 0;
643 break;
644 case 6:
645 case 7:
646 if (acm_mask & BIT(3))
647 change_priority = 5;
648 break;
649 default:
650 DBG_871X("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
651 break;
652 }
653
654 return change_priority;
655}
656
657static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
658{
659 struct ethhdr etherhdr;
660 struct iphdr ip_hdr;
661 s32 UserPriority = 0;
662
663
664 _rtw_open_pktfile(ppktfile->pkt, ppktfile);
665 _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN);
666
667
668 if (pattrib->ether_type == 0x0800) {
669 _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
670
671 UserPriority = ip_hdr.tos >> 5;
672 }
673 pattrib->priority = UserPriority;
674 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
675 pattrib->subtype = WIFI_QOS_DATA_TYPE;
676}
677
678static s32 update_attrib(struct adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib)
679{
680 uint i;
681 struct pkt_file pktfile;
682 struct sta_info *psta = NULL;
683 struct ethhdr etherhdr;
684
685 sint bmcast;
686 struct sta_priv *pstapriv = &padapter->stapriv;
687 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
688 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
689 sint res = _SUCCESS;
690
691 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib);
692
693 _rtw_open_pktfile(pkt, &pktfile);
694 i = _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN);
695
696 pattrib->ether_type = ntohs(etherhdr.h_proto);
697
698
699 memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
700 memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
701
702
703 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
704 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
705 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
706 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
707 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc);
708 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
709 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
710 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
711 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta);
712 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
713 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
714 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
715 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap);
716 } else
717 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown);
718
719 pattrib->pktlen = pktfile.pkt_len;
720
721 if (ETH_P_IP == pattrib->ether_type) {
722
723
724
725 u8 tmp[24];
726
727 _rtw_pktfile_read(&pktfile, &tmp[0], 24);
728
729 pattrib->dhcp_pkt = 0;
730 if (pktfile.pkt_len > 282) {
731 if (ETH_P_IP == pattrib->ether_type) {
732 if (((tmp[21] == 68) && (tmp[23] == 67)) ||
733 ((tmp[21] == 67) && (tmp[23] == 68))) {
734
735
736 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======================update_attrib: get DHCP Packet\n"));
737 pattrib->dhcp_pkt = 1;
738 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp);
739 }
740 }
741 }
742
743
744 {
745 struct iphdr *piphdr = (struct iphdr *)tmp;
746
747 pattrib->icmp_pkt = 0;
748 if (piphdr->protocol == 0x1) {
749 pattrib->icmp_pkt = 1;
750 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp);
751 }
752 }
753
754
755 } else if (0x888e == pattrib->ether_type) {
756 DBG_871X_LEVEL(_drv_always_, "send eapol packet\n");
757 }
758
759 if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
760 rtw_set_scan_deny(padapter, 3000);
761
762
763 if (pattrib->icmp_pkt == 1)
764 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1);
765 else if (pattrib->dhcp_pkt == 1) {
766 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active);
767 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
768 }
769
770 bmcast = IS_MCAST(pattrib->ra);
771
772
773 if (bmcast) {
774 psta = rtw_get_bcmc_stainfo(padapter);
775 } else {
776 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
777 if (psta == NULL) {
778 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta);
779 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra)));
780 #ifdef DBG_TX_DROP_FRAME
781 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
782 #endif
783 res = _FAIL;
784 goto exit;
785 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
786 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link);
787 res = _FAIL;
788 goto exit;
789 }
790 }
791
792 if (psta == NULL) {
793
794 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta);
795 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra)));
796 #ifdef DBG_TX_DROP_FRAME
797 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
798 #endif
799 res = _FAIL;
800 goto exit;
801 }
802
803 if (!(psta->state & _FW_LINKED)) {
804 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link);
805 DBG_871X("%s, psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, MAC_ARG(psta->hwaddr), psta->state);
806 return _FAIL;
807 }
808
809
810
811
812 if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) {
813 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec);
814 res = _FAIL;
815 goto exit;
816 }
817
818 update_attrib_phy_info(padapter, pattrib, psta);
819
820
821
822 pattrib->psta = psta;
823
824
825 pattrib->pctrl = 0;
826
827 pattrib->ack_policy = 0;
828
829 pattrib->pkt_hdrlen = ETH_HLEN;
830
831 pattrib->hdrlen = WLAN_HDR_A3_LEN;
832 pattrib->subtype = WIFI_DATA_TYPE;
833 pattrib->priority = 0;
834
835 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
836 if (pattrib->qos_en)
837 set_qos(&pktfile, pattrib);
838 } else {
839 if (pqospriv->qos_option) {
840 set_qos(&pktfile, pattrib);
841
842 if (pmlmepriv->acm_mask != 0)
843 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
844
845 }
846 }
847
848
849
850exit:
851 return res;
852}
853
854static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
855{
856 sint curfragnum, length;
857 u8 *pframe, *payload, mic[8];
858 struct mic_data micdata;
859
860 struct pkt_attrib *pattrib = &pxmitframe->attrib;
861 struct security_priv *psecuritypriv = &padapter->securitypriv;
862 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
863 u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
864 u8 hw_hdr_offset = 0;
865 sint bmcst = IS_MCAST(pattrib->ra);
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891 hw_hdr_offset = TXDESC_OFFSET;
892
893 if (pattrib->encrypt == _TKIP_) {
894
895
896 {
897 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
898
899 pframe = pxmitframe->buf_addr + hw_hdr_offset;
900
901 if (bmcst) {
902 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
903
904
905 return _FAIL;
906 }
907
908 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
909 } else {
910 if (!memcmp(&pattrib->dot11tkiptxmickey.skey[0], null_key, 16)) {
911
912
913 return _FAIL;
914 }
915
916 rtw_secmicsetkey(&micdata, &pattrib->dot11tkiptxmickey.skey[0]);
917 }
918
919 if (pframe[1]&1) {
920 rtw_secmicappend(&micdata, &pframe[16], 6);
921 if (pframe[1]&2)
922 rtw_secmicappend(&micdata, &pframe[24], 6);
923 else
924 rtw_secmicappend(&micdata, &pframe[10], 6);
925 } else {
926 rtw_secmicappend(&micdata, &pframe[4], 6);
927 if (pframe[1]&2)
928 rtw_secmicappend(&micdata, &pframe[16], 6);
929 else
930 rtw_secmicappend(&micdata, &pframe[10], 6);
931
932 }
933
934
935 if (pattrib->qos_en)
936 priority[0] = (u8)pxmitframe->attrib.priority;
937
938
939 rtw_secmicappend(&micdata, &priority[0], 4);
940
941 payload = pframe;
942
943 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
944 payload = (u8 *)RND4((SIZE_PTR)(payload));
945 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("===curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
946 curfragnum, *payload, *(payload+1), *(payload+2), *(payload+3), *(payload+4), *(payload+5), *(payload+6), *(payload+7)));
947
948 payload = payload+pattrib->hdrlen+pattrib->iv_len;
949 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d", curfragnum, pattrib->hdrlen, pattrib->iv_len));
950 if ((curfragnum+1) == pattrib->nr_frags) {
951 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
952 rtw_secmicappend(&micdata, payload, length);
953 payload = payload+length;
954 } else {
955 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
956 rtw_secmicappend(&micdata, payload, length);
957 payload = payload+length+pattrib->icv_len;
958 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d length =%d pattrib->icv_len =%d", curfragnum, length, pattrib->icv_len));
959 }
960 }
961 rtw_secgetmic(&micdata, &(mic[0]));
962 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
963 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n", pattrib->last_txcmdsz));
964 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]= 0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n\
965 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
966 mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
967
968
969 memcpy(payload, &(mic[0]), 8);
970 pattrib->last_txcmdsz += 8;
971
972 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ========last pkt ========\n"));
973 payload = payload-pattrib->last_txcmdsz+8;
974 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
975 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
976 *(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2), *(payload+curfragnum+3),
977 *(payload+curfragnum+4), *(payload+curfragnum+5), *(payload+curfragnum+6), *(payload+curfragnum+7)));
978 }
979
980
981
982
983
984 }
985 return _SUCCESS;
986}
987
988static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
989{
990
991 struct pkt_attrib *pattrib = &pxmitframe->attrib;
992
993
994
995 if (pattrib->bswenc) {
996
997 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
998 switch (pattrib->encrypt) {
999 case _WEP40_:
1000 case _WEP104_:
1001 rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
1002 break;
1003 case _TKIP_:
1004 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
1005 break;
1006 case _AES_:
1007 rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
1008 break;
1009 default:
1010 break;
1011 }
1012
1013 } else
1014 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
1015
1016 return _SUCCESS;
1017}
1018
1019s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
1020{
1021 u16 *qc;
1022
1023 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
1024 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1025 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1026 u8 qos_option = false;
1027 sint res = _SUCCESS;
1028 __le16 *fctrl = &pwlanhdr->frame_control;
1029
1030 memset(hdr, 0, WLANHDR_OFFSET);
1031
1032 SetFrameSubType(fctrl, pattrib->subtype);
1033
1034 if (pattrib->subtype & WIFI_DATA_TYPE) {
1035 if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
1036
1037
1038 {
1039
1040
1041 SetToDs(fctrl);
1042 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
1043 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
1044 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
1045 }
1046
1047 if (pqospriv->qos_option)
1048 qos_option = true;
1049
1050 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)) {
1051
1052 SetFrDs(fctrl);
1053 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
1054 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
1055 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
1056
1057 if (pattrib->qos_en)
1058 qos_option = true;
1059 } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
1060 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
1061 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
1062 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
1063 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
1064
1065 if (pattrib->qos_en)
1066 qos_option = true;
1067 } else {
1068 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
1069 res = _FAIL;
1070 goto exit;
1071 }
1072
1073 if (pattrib->mdata)
1074 SetMData(fctrl);
1075
1076 if (pattrib->encrypt)
1077 SetPrivacy(fctrl);
1078
1079 if (qos_option) {
1080 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
1081
1082 if (pattrib->priority)
1083 SetPriority(qc, pattrib->priority);
1084
1085 SetEOSP(qc, pattrib->eosp);
1086
1087 SetAckpolicy(qc, pattrib->ack_policy);
1088 }
1089
1090
1091
1092
1093 {
1094 struct sta_info *psta;
1095 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1096 if (pattrib->psta != psta) {
1097 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
1098 return _FAIL;
1099 }
1100
1101 if (psta == NULL) {
1102 DBG_871X("%s, psta ==NUL\n", __func__);
1103 return _FAIL;
1104 }
1105
1106 if (!(psta->state & _FW_LINKED)) {
1107 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
1108 return _FAIL;
1109 }
1110
1111
1112 if (psta) {
1113 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
1114 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
1115 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
1116
1117 SetSeqNum(hdr, pattrib->seqnum);
1118
1119
1120 if (pattrib->ht_en && psta->htpriv.ampdu_enable)
1121 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
1122 pattrib->ampdu_en = true;
1123
1124
1125
1126 if (pattrib->ampdu_en == true) {
1127 u16 tx_seq;
1128
1129 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
1130
1131
1132 if (SN_LESS(pattrib->seqnum, tx_seq)) {
1133
1134 pattrib->ampdu_en = false;
1135 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
1136 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
1137
1138 pattrib->ampdu_en = true;
1139 } else {
1140
1141 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
1142 pattrib->ampdu_en = true;
1143 }
1144
1145 }
1146 }
1147 }
1148
1149 } else {
1150
1151 }
1152
1153exit:
1154 return res;
1155}
1156
1157s32 rtw_txframes_pending(struct adapter *padapter)
1158{
1159 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1160
1161 return ((!list_empty(&pxmitpriv->be_pending.queue)) ||
1162 (!list_empty(&pxmitpriv->bk_pending.queue)) ||
1163 (!list_empty(&pxmitpriv->vi_pending.queue)) ||
1164 (!list_empty(&pxmitpriv->vo_pending.queue)));
1165}
1166
1167
1168
1169
1170
1171u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
1172{
1173 u32 len = 0;
1174
1175 len = pattrib->hdrlen + pattrib->iv_len;
1176 len += SNAP_SIZE + sizeof(u16);
1177 len += pattrib->pktlen;
1178 if (pattrib->encrypt == _TKIP_)
1179 len += 8;
1180 len += ((pattrib->bswenc) ? pattrib->icv_len : 0);
1181
1182 return len;
1183}
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe)
1198{
1199 struct pkt_file pktfile;
1200
1201 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1202
1203 SIZE_PTR addr;
1204
1205 u8 *pframe, *mem_start;
1206 u8 hw_hdr_offset;
1207
1208
1209
1210
1211 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1212
1213 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1214
1215 u8 *pbuf_start;
1216
1217 s32 bmcst = IS_MCAST(pattrib->ra);
1218 s32 res = _SUCCESS;
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244 if (pxmitframe->buf_addr == NULL) {
1245 DBG_8192C("==> %s buf_addr == NULL\n", __func__);
1246 return _FAIL;
1247 }
1248
1249 pbuf_start = pxmitframe->buf_addr;
1250
1251 hw_hdr_offset = TXDESC_OFFSET;
1252 mem_start = pbuf_start + hw_hdr_offset;
1253
1254 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1255 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
1256 DBG_8192C("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
1257 res = _FAIL;
1258 goto exit;
1259 }
1260
1261 _rtw_open_pktfile(pkt, &pktfile);
1262 _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
1263
1264 frg_inx = 0;
1265 frg_len = pxmitpriv->frag_len - 4;
1266
1267 while (1) {
1268 llc_sz = 0;
1269
1270 mpdu_len = frg_len;
1271
1272 pframe = mem_start;
1273
1274 SetMFrag(mem_start);
1275
1276 pframe += pattrib->hdrlen;
1277 mpdu_len -= pattrib->hdrlen;
1278
1279
1280 if (pattrib->iv_len) {
1281 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1282
1283 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1284 ("rtw_xmitframe_coalesce: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1285 padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
1286
1287 pframe += pattrib->iv_len;
1288
1289 mpdu_len -= pattrib->iv_len;
1290 }
1291
1292 if (frg_inx == 0) {
1293 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1294 pframe += llc_sz;
1295 mpdu_len -= llc_sz;
1296 }
1297
1298 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1299 mpdu_len -= pattrib->icv_len;
1300 }
1301
1302
1303 if (bmcst) {
1304
1305 mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
1306 } else {
1307 mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
1308 }
1309
1310 pframe += mem_sz;
1311
1312 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1313 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1314 pframe += pattrib->icv_len;
1315 }
1316
1317 frg_inx++;
1318
1319 if (bmcst || (rtw_endofpktfile(&pktfile) == true)) {
1320 pattrib->nr_frags = frg_inx;
1321
1322 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz:0) +
1323 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
1324
1325 ClearMFrag(mem_start);
1326
1327 break;
1328 } else
1329 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1330
1331 addr = (SIZE_PTR)(pframe);
1332
1333 mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
1334 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1335
1336 }
1337
1338 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1339 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1340 DBG_8192C("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1341 res = _FAIL;
1342 goto exit;
1343 }
1344
1345 xmitframe_swencrypt(padapter, pxmitframe);
1346
1347 if (bmcst == false)
1348 update_attrib_vcs_info(padapter, pxmitframe);
1349 else
1350 pattrib->vcs_mode = NONE_VCS;
1351
1352exit:
1353 return res;
1354}
1355
1356
1357s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe)
1358{
1359 u8 *pframe, *mem_start = NULL, *tmp_buf = NULL;
1360 u8 subtype;
1361 struct sta_info *psta = NULL;
1362 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1363 s32 bmcst = IS_MCAST(pattrib->ra);
1364 u8 *BIP_AAD = NULL;
1365 u8 *MGMT_body = NULL;
1366
1367 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1368 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1369 struct ieee80211_hdr *pwlanhdr;
1370 u8 MME[_MME_IE_LENGTH_];
1371 u32 ori_len;
1372 mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET;
1373 pwlanhdr = (struct ieee80211_hdr *)pframe;
1374
1375 ori_len = BIP_AAD_SIZE+pattrib->pktlen;
1376 tmp_buf = BIP_AAD = rtw_zmalloc(ori_len);
1377 subtype = GetFrameSubType(pframe);
1378
1379 if (BIP_AAD == NULL)
1380 return _FAIL;
1381
1382 spin_lock_bh(&padapter->security_key_mutex);
1383
1384
1385 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE) || !check_fwstate(pmlmepriv, _FW_LINKED))
1386 goto xmitframe_coalesce_success;
1387
1388
1389 if (padapter->securitypriv.binstallBIPkey != true) {
1390 DBG_871X("no instll BIP key\n");
1391 goto xmitframe_coalesce_success;
1392 }
1393
1394 if (bmcst) {
1395 int frame_body_len;
1396 u8 mic[16];
1397
1398 memset(MME, 0, 18);
1399
1400
1401 if (GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC)
1402 goto xmitframe_coalesce_fail;
1403
1404 MGMT_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1405 pframe += pattrib->pktlen;
1406
1407
1408 MME[0] = padapter->securitypriv.dot11wBIPKeyid;
1409
1410 memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6);
1411
1412 pmlmeext->mgnt_80211w_IPN++;
1413
1414
1415 pframe = rtw_set_ie(pframe, _MME_IE_, 16, MME, &(pattrib->pktlen));
1416 pattrib->last_txcmdsz = pattrib->pktlen;
1417
1418 frame_body_len = pattrib->pktlen - sizeof(struct ieee80211_hdr_3addr);
1419
1420
1421 memcpy(BIP_AAD, &pwlanhdr->frame_control, 2);
1422 ClearRetry(BIP_AAD);
1423 ClearPwrMgt(BIP_AAD);
1424 ClearMData(BIP_AAD);
1425
1426 memcpy(BIP_AAD+2, pwlanhdr->addr1, 18);
1427
1428 memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len);
1429
1430 if (omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey
1431 , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic))
1432 goto xmitframe_coalesce_fail;
1433
1434
1435 memcpy(pframe-8, mic, 8);
1436 } else {
1437
1438 if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC ||
1439 subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) {
1440 if (pattrib->psta)
1441 psta = pattrib->psta;
1442 else
1443 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1444
1445 if (psta == NULL) {
1446
1447 DBG_871X("%s, psta ==NUL\n", __func__);
1448 goto xmitframe_coalesce_fail;
1449 }
1450
1451 if (!(psta->state & _FW_LINKED) || pxmitframe->buf_addr == NULL) {
1452 DBG_871X("%s, not _FW_LINKED or addr null\n", __func__);
1453 goto xmitframe_coalesce_fail;
1454 }
1455
1456
1457
1458 if (subtype == WIFI_ACTION &&
1459 (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC ||
1460 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT ||
1461 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM ||
1462 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED ||
1463 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P))
1464 goto xmitframe_coalesce_fail;
1465
1466 if (pattrib->encrypt > 0)
1467 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
1468
1469 memcpy(tmp_buf, pframe, pattrib->pktlen);
1470
1471 pframe += pattrib->hdrlen;
1472
1473
1474 pattrib->iv_len = 8;
1475
1476 pattrib->icv_len = 8;
1477
1478 switch (pattrib->encrypt) {
1479 case _AES_:
1480
1481 AES_IV(pattrib->iv, psta->dot11wtxpn, 0);
1482 break;
1483 default:
1484 goto xmitframe_coalesce_fail;
1485 }
1486
1487 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1488 pframe += pattrib->iv_len;
1489
1490 memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen);
1491
1492 pframe += pattrib->pktlen-pattrib->hdrlen;
1493
1494 pattrib->pktlen += pattrib->iv_len;
1495 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1496 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1497 pframe += pattrib->icv_len;
1498 }
1499
1500 pattrib->pktlen += pattrib->icv_len;
1501
1502 pattrib->last_txcmdsz = pattrib->pktlen;
1503
1504
1505 SetPrivacy(mem_start);
1506
1507 xmitframe_swencrypt(padapter, pxmitframe);
1508 }
1509 }
1510
1511xmitframe_coalesce_success:
1512 spin_unlock_bh(&padapter->security_key_mutex);
1513 kfree(BIP_AAD);
1514 return _SUCCESS;
1515
1516xmitframe_coalesce_fail:
1517 spin_unlock_bh(&padapter->security_key_mutex);
1518 kfree(BIP_AAD);
1519 return _FAIL;
1520}
1521
1522
1523
1524
1525
1526
1527
1528
1529s32 rtw_put_snap(u8 *data, u16 h_proto)
1530{
1531 struct ieee80211_snap_hdr *snap;
1532 u8 *oui;
1533
1534 snap = (struct ieee80211_snap_hdr *)data;
1535 snap->dsap = 0xaa;
1536 snap->ssap = 0xaa;
1537 snap->ctrl = 0x03;
1538
1539 if (h_proto == 0x8137 || h_proto == 0x80f3)
1540 oui = P802_1H_OUI;
1541 else
1542 oui = RFC1042_OUI;
1543
1544 snap->oui[0] = oui[0];
1545 snap->oui[1] = oui[1];
1546 snap->oui[2] = oui[2];
1547
1548 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
1549
1550 return SNAP_SIZE + sizeof(u16);
1551}
1552
1553void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
1554{
1555
1556 uint protection;
1557 u8 *perp;
1558 sint erp_len;
1559 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1560 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1561
1562 switch (pxmitpriv->vcs_setting) {
1563 case DISABLE_VCS:
1564 pxmitpriv->vcs = NONE_VCS;
1565 break;
1566
1567 case ENABLE_VCS:
1568 break;
1569
1570 case AUTO_VCS:
1571 default:
1572 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
1573 if (perp == NULL)
1574 pxmitpriv->vcs = NONE_VCS;
1575 else {
1576 protection = (*(perp + 2)) & BIT(1);
1577 if (protection) {
1578 if (pregistrypriv->vcs_type == RTS_CTS)
1579 pxmitpriv->vcs = RTS_CTS;
1580 else
1581 pxmitpriv->vcs = CTS_TO_SELF;
1582 } else
1583 pxmitpriv->vcs = NONE_VCS;
1584 }
1585
1586 break;
1587
1588 }
1589}
1590
1591void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1592{
1593 struct sta_info *psta = NULL;
1594 struct stainfo_stats *pstats = NULL;
1595 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1596 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1597 u8 pkt_num = 1;
1598
1599 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1600 pkt_num = pxmitframe->agg_num;
1601
1602 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num;
1603
1604 pxmitpriv->tx_pkts += pkt_num;
1605
1606 pxmitpriv->tx_bytes += sz;
1607
1608 psta = pxmitframe->attrib.psta;
1609 if (psta) {
1610 pstats = &psta->sta_stats;
1611
1612 pstats->tx_pkts += pkt_num;
1613
1614 pstats->tx_bytes += sz;
1615 }
1616 }
1617}
1618
1619static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv,
1620 enum cmdbuf_type buf_type)
1621{
1622 struct xmit_buf *pxmitbuf = NULL;
1623
1624 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type];
1625 if (pxmitbuf != NULL) {
1626 pxmitbuf->priv_data = NULL;
1627
1628 pxmitbuf->len = 0;
1629 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1630 pxmitbuf->agg_num = 0;
1631 pxmitbuf->pg_num = 0;
1632
1633 if (pxmitbuf->sctx) {
1634 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1635 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1636 }
1637 } else
1638 DBG_871X("%s fail, no xmitbuf available !!!\n", __func__);
1639
1640 return pxmitbuf;
1641}
1642
1643struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
1644 enum cmdbuf_type buf_type)
1645{
1646 struct xmit_frame *pcmdframe;
1647 struct xmit_buf *pxmitbuf;
1648
1649 pcmdframe = rtw_alloc_xmitframe(pxmitpriv);
1650 if (pcmdframe == NULL) {
1651 DBG_871X("%s, alloc xmitframe fail\n", __func__);
1652 return NULL;
1653 }
1654
1655 pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type);
1656 if (pxmitbuf == NULL) {
1657 DBG_871X("%s, alloc xmitbuf fail\n", __func__);
1658 rtw_free_xmitframe(pxmitpriv, pcmdframe);
1659 return NULL;
1660 }
1661
1662 pcmdframe->frame_tag = MGNT_FRAMETAG;
1663
1664 pcmdframe->pxmitbuf = pxmitbuf;
1665
1666 pcmdframe->buf_addr = pxmitbuf->pbuf;
1667
1668 pxmitbuf->priv_data = pcmdframe;
1669
1670 return pcmdframe;
1671
1672}
1673
1674struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
1675{
1676 _irqL irqL;
1677 struct xmit_buf *pxmitbuf = NULL;
1678 struct list_head *plist, *phead;
1679 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1680
1681 spin_lock_irqsave(&pfree_queue->lock, irqL);
1682
1683 if (list_empty(&pfree_queue->queue)) {
1684 pxmitbuf = NULL;
1685 } else {
1686
1687 phead = get_list_head(pfree_queue);
1688
1689 plist = get_next(phead);
1690
1691 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
1692
1693 list_del_init(&(pxmitbuf->list));
1694 }
1695
1696 if (pxmitbuf != NULL) {
1697 pxmitpriv->free_xmit_extbuf_cnt--;
1698 #ifdef DBG_XMIT_BUF_EXT
1699 DBG_871X("DBG_XMIT_BUF_EXT ALLOC no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt);
1700 #endif
1701
1702
1703 pxmitbuf->priv_data = NULL;
1704
1705 pxmitbuf->len = 0;
1706 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1707 pxmitbuf->agg_num = 1;
1708
1709 if (pxmitbuf->sctx) {
1710 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1711 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1712 }
1713
1714 }
1715
1716 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1717
1718 return pxmitbuf;
1719}
1720
1721s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1722{
1723 _irqL irqL;
1724 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1725
1726 if (pxmitbuf == NULL)
1727 return _FAIL;
1728
1729 spin_lock_irqsave(&pfree_queue->lock, irqL);
1730
1731 list_del_init(&pxmitbuf->list);
1732
1733 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
1734 pxmitpriv->free_xmit_extbuf_cnt++;
1735 #ifdef DBG_XMIT_BUF_EXT
1736 DBG_871X("DBG_XMIT_BUF_EXT FREE no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt);
1737 #endif
1738
1739 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1740
1741 return _SUCCESS;
1742}
1743
1744struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
1745{
1746 _irqL irqL;
1747 struct xmit_buf *pxmitbuf = NULL;
1748 struct list_head *plist, *phead;
1749 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1750
1751
1752
1753 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1754
1755 if (list_empty(&pfree_xmitbuf_queue->queue)) {
1756 pxmitbuf = NULL;
1757 } else {
1758
1759 phead = get_list_head(pfree_xmitbuf_queue);
1760
1761 plist = get_next(phead);
1762
1763 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
1764
1765 list_del_init(&(pxmitbuf->list));
1766 }
1767
1768 if (pxmitbuf != NULL) {
1769 pxmitpriv->free_xmitbuf_cnt--;
1770 #ifdef DBG_XMIT_BUF
1771 DBG_871X("DBG_XMIT_BUF ALLOC no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
1772 #endif
1773
1774
1775 pxmitbuf->priv_data = NULL;
1776
1777 pxmitbuf->len = 0;
1778 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1779 pxmitbuf->agg_num = 0;
1780 pxmitbuf->pg_num = 0;
1781
1782 if (pxmitbuf->sctx) {
1783 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1784 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1785 }
1786 }
1787 #ifdef DBG_XMIT_BUF
1788 else
1789 DBG_871X("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n");
1790 #endif
1791
1792 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1793
1794 return pxmitbuf;
1795}
1796
1797s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1798{
1799 _irqL irqL;
1800 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1801
1802
1803
1804 if (pxmitbuf == NULL)
1805 return _FAIL;
1806
1807 if (pxmitbuf->sctx) {
1808 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1809 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1810 }
1811
1812 if (pxmitbuf->buf_tag == XMITBUF_CMD) {
1813 } else if (pxmitbuf->buf_tag == XMITBUF_MGNT) {
1814 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
1815 } else {
1816 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1817
1818 list_del_init(&pxmitbuf->list);
1819
1820 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
1821
1822 pxmitpriv->free_xmitbuf_cnt++;
1823
1824 #ifdef DBG_XMIT_BUF
1825 DBG_871X("DBG_XMIT_BUF FREE no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
1826 #endif
1827 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1828 }
1829 return _SUCCESS;
1830}
1831
1832static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1833{
1834 if (pxframe != NULL) {
1835 pxframe->buf_addr = NULL;
1836 pxframe->pxmitbuf = NULL;
1837
1838 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1839
1840
1841 pxframe->frame_tag = DATA_FRAMETAG;
1842
1843 pxframe->pg_num = 1;
1844 pxframe->agg_num = 1;
1845 pxframe->ack_report = 0;
1846 }
1847}
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1861{
1862
1863
1864
1865
1866
1867
1868 struct xmit_frame *pxframe = NULL;
1869 struct list_head *plist, *phead;
1870 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1871
1872 spin_lock_bh(&pfree_xmit_queue->lock);
1873
1874 if (list_empty(&pfree_xmit_queue->queue)) {
1875 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
1876 pxframe = NULL;
1877 } else {
1878 phead = get_list_head(pfree_xmit_queue);
1879
1880 plist = get_next(phead);
1881
1882 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
1883
1884 list_del_init(&(pxframe->list));
1885 pxmitpriv->free_xmitframe_cnt--;
1886 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1887 }
1888
1889 spin_unlock_bh(&pfree_xmit_queue->lock);
1890
1891 rtw_init_xmitframe(pxframe);
1892 return pxframe;
1893}
1894
1895struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv)
1896{
1897 struct xmit_frame *pxframe = NULL;
1898 struct list_head *plist, *phead;
1899 struct __queue *queue = &pxmitpriv->free_xframe_ext_queue;
1900
1901 spin_lock_bh(&queue->lock);
1902
1903 if (list_empty(&queue->queue)) {
1904 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext:%d\n", pxmitpriv->free_xframe_ext_cnt));
1905 pxframe = NULL;
1906 } else {
1907 phead = get_list_head(queue);
1908 plist = get_next(phead);
1909 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
1910
1911 list_del_init(&(pxframe->list));
1912 pxmitpriv->free_xframe_ext_cnt--;
1913 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1914 }
1915
1916 spin_unlock_bh(&queue->lock);
1917
1918 rtw_init_xmitframe(pxframe);
1919
1920 return pxframe;
1921}
1922
1923struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv)
1924{
1925 struct xmit_frame *pxframe = NULL;
1926 u8 *alloc_addr;
1927
1928 alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4);
1929
1930 if (alloc_addr == NULL)
1931 goto exit;
1932
1933 pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4);
1934 pxframe->alloc_addr = alloc_addr;
1935
1936 pxframe->padapter = pxmitpriv->adapter;
1937 pxframe->frame_tag = NULL_FRAMETAG;
1938
1939 pxframe->pkt = NULL;
1940
1941 pxframe->buf_addr = NULL;
1942 pxframe->pxmitbuf = NULL;
1943
1944 rtw_init_xmitframe(pxframe);
1945
1946 DBG_871X("################## %s ##################\n", __func__);
1947
1948exit:
1949 return pxframe;
1950}
1951
1952s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1953{
1954 struct __queue *queue = NULL;
1955 struct adapter *padapter = pxmitpriv->adapter;
1956 _pkt *pndis_pkt = NULL;
1957
1958 if (pxmitframe == NULL) {
1959 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
1960 goto exit;
1961 }
1962
1963 if (pxmitframe->pkt) {
1964 pndis_pkt = pxmitframe->pkt;
1965 pxmitframe->pkt = NULL;
1966 }
1967
1968 if (pxmitframe->alloc_addr) {
1969 DBG_871X("################## %s with alloc_addr ##################\n", __func__);
1970 kfree(pxmitframe->alloc_addr);
1971 goto check_pkt_complete;
1972 }
1973
1974 if (pxmitframe->ext_tag == 0)
1975 queue = &pxmitpriv->free_xmit_queue;
1976 else if (pxmitframe->ext_tag == 1)
1977 queue = &pxmitpriv->free_xframe_ext_queue;
1978 else {
1979
1980 }
1981
1982 spin_lock_bh(&queue->lock);
1983
1984 list_del_init(&pxmitframe->list);
1985 list_add_tail(&pxmitframe->list, get_list_head(queue));
1986 if (pxmitframe->ext_tag == 0) {
1987 pxmitpriv->free_xmitframe_cnt++;
1988 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1989 } else if (pxmitframe->ext_tag == 1) {
1990 pxmitpriv->free_xframe_ext_cnt++;
1991 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1992 } else {
1993 }
1994
1995 spin_unlock_bh(&queue->lock);
1996
1997check_pkt_complete:
1998
1999 if (pndis_pkt)
2000 rtw_os_pkt_complete(padapter, pndis_pkt);
2001
2002exit:
2003 return _SUCCESS;
2004}
2005
2006void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
2007{
2008 struct list_head *plist, *phead;
2009 struct xmit_frame *pxmitframe;
2010
2011 spin_lock_bh(&(pframequeue->lock));
2012
2013 phead = get_list_head(pframequeue);
2014 plist = get_next(phead);
2015
2016 while (phead != plist) {
2017
2018 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
2019
2020 plist = get_next(plist);
2021
2022 rtw_free_xmitframe(pxmitpriv, pxmitframe);
2023
2024 }
2025 spin_unlock_bh(&(pframequeue->lock));
2026}
2027
2028s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
2029{
2030 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue);
2031 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
2032 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
2033 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
2034
2035 return _FAIL;
2036 }
2037
2038 return _SUCCESS;
2039}
2040
2041struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac)
2042{
2043 struct tx_servq *ptxservq = NULL;
2044
2045 switch (up) {
2046 case 1:
2047 case 2:
2048 ptxservq = &(psta->sta_xmitpriv.bk_q);
2049 *(ac) = 3;
2050 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
2051 break;
2052
2053 case 4:
2054 case 5:
2055 ptxservq = &(psta->sta_xmitpriv.vi_q);
2056 *(ac) = 1;
2057 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
2058 break;
2059
2060 case 6:
2061 case 7:
2062 ptxservq = &(psta->sta_xmitpriv.vo_q);
2063 *(ac) = 0;
2064 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
2065 break;
2066
2067 case 0:
2068 case 3:
2069 default:
2070 ptxservq = &(psta->sta_xmitpriv.be_q);
2071 *(ac) = 2;
2072 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
2073 break;
2074
2075 }
2076
2077 return ptxservq;
2078}
2079
2080
2081
2082
2083
2084s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
2085{
2086
2087 u8 ac_index;
2088 struct sta_info *psta;
2089 struct tx_servq *ptxservq;
2090 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2091 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2092 sint res = _SUCCESS;
2093
2094 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class);
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2106 if (pattrib->psta != psta) {
2107 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta);
2108 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2109 return _FAIL;
2110 }
2111
2112 if (psta == NULL) {
2113 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta);
2114 res = _FAIL;
2115 DBG_8192C("rtw_xmit_classifier: psta == NULL\n");
2116 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
2117 goto exit;
2118 }
2119
2120 if (!(psta->state & _FW_LINKED)) {
2121 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink);
2122 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2123 return _FAIL;
2124 }
2125
2126 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2127
2128
2129
2130 if (list_empty(&ptxservq->tx_pending)) {
2131 list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
2132 }
2133
2134
2135
2136 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
2137 ptxservq->qcnt++;
2138 phwxmits[ac_index].accnt++;
2139
2140
2141
2142
2143
2144exit:
2145
2146 return res;
2147}
2148
2149s32 rtw_alloc_hwxmits(struct adapter *padapter)
2150{
2151 struct hw_xmit *hwxmits;
2152 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2153
2154 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
2155
2156 pxmitpriv->hwxmits = NULL;
2157
2158 pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
2159
2160 if (!pxmitpriv->hwxmits)
2161 return _FAIL;
2162
2163 hwxmits = pxmitpriv->hwxmits;
2164
2165 if (pxmitpriv->hwxmit_entry == 5) {
2166
2167
2168 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
2169
2170
2171
2172 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
2173
2174
2175
2176 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
2177
2178
2179
2180 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
2181
2182
2183
2184 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
2185
2186 } else if (pxmitpriv->hwxmit_entry == 4) {
2187
2188
2189
2190 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
2191
2192
2193
2194 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
2195
2196
2197
2198 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
2199
2200
2201
2202 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
2203 } else {
2204
2205 }
2206
2207 return _SUCCESS;
2208}
2209
2210void rtw_free_hwxmits(struct adapter *padapter)
2211{
2212 struct hw_xmit *hwxmits;
2213 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2214
2215 hwxmits = pxmitpriv->hwxmits;
2216 if (hwxmits)
2217 kfree((u8 *)hwxmits);
2218}
2219
2220void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry)
2221{
2222 sint i;
2223
2224 for (i = 0; i < entry; i++, phwxmit++) {
2225
2226
2227
2228 phwxmit->accnt = 0;
2229 }
2230}
2231
2232u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
2233{
2234 u32 addr;
2235 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2236
2237 switch (pattrib->qsel) {
2238 case 0:
2239 case 3:
2240 addr = BE_QUEUE_INX;
2241 break;
2242 case 1:
2243 case 2:
2244 addr = BK_QUEUE_INX;
2245 break;
2246 case 4:
2247 case 5:
2248 addr = VI_QUEUE_INX;
2249 break;
2250 case 6:
2251 case 7:
2252 addr = VO_QUEUE_INX;
2253 break;
2254 case 0x10:
2255 addr = BCN_QUEUE_INX;
2256 break;
2257 case 0x11:
2258 addr = HIGH_QUEUE_INX;
2259 break;
2260 case 0x12:
2261 default:
2262 addr = MGT_QUEUE_INX;
2263 break;
2264
2265 }
2266
2267 return addr;
2268
2269}
2270
2271static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib)
2272{
2273 u8 qsel;
2274
2275 qsel = pattrib->priority;
2276 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority =%d , qsel = %d\n", pattrib->priority, qsel));
2277
2278 pattrib->qsel = qsel;
2279}
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289s32 rtw_xmit(struct adapter *padapter, _pkt **ppkt)
2290{
2291 static unsigned long start;
2292 static u32 drop_cnt;
2293
2294 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2295 struct xmit_frame *pxmitframe = NULL;
2296
2297 s32 res;
2298
2299 DBG_COUNTER(padapter->tx_logs.core_tx);
2300
2301 if (start == 0)
2302 start = jiffies;
2303
2304 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
2305
2306 if (jiffies_to_msecs(jiffies - start) > 2000) {
2307 if (drop_cnt)
2308 DBG_871X("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __func__, drop_cnt);
2309 start = jiffies;
2310 drop_cnt = 0;
2311 }
2312
2313 if (pxmitframe == NULL) {
2314 drop_cnt++;
2315 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
2316 DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe);
2317 return -1;
2318 }
2319
2320 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
2321
2322 if (res == _FAIL) {
2323 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
2324 #ifdef DBG_TX_DROP_FRAME
2325 DBG_871X("DBG_TX_DROP_FRAME %s update attrib fail\n", __func__);
2326 #endif
2327 rtw_free_xmitframe(pxmitpriv, pxmitframe);
2328 return -1;
2329 }
2330 pxmitframe->pkt = *ppkt;
2331
2332 do_queue_select(padapter, &pxmitframe->attrib);
2333
2334 spin_lock_bh(&pxmitpriv->lock);
2335 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == true) {
2336 spin_unlock_bh(&pxmitpriv->lock);
2337 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue);
2338 return 1;
2339 }
2340 spin_unlock_bh(&pxmitpriv->lock);
2341
2342
2343 if (rtw_hal_xmit(padapter, pxmitframe) == false)
2344 return 1;
2345
2346 return 0;
2347}
2348
2349#define RTW_HIQ_FILTER_ALLOW_ALL 0
2350#define RTW_HIQ_FILTER_ALLOW_SPECIAL 1
2351#define RTW_HIQ_FILTER_DENY_ALL 2
2352
2353inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe)
2354{
2355 bool allow = false;
2356 struct adapter *adapter = xmitframe->padapter;
2357 struct registry_priv *registry = &adapter->registrypriv;
2358
2359 if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) {
2360
2361 struct pkt_attrib *attrib = &xmitframe->attrib;
2362
2363 if (attrib->ether_type == 0x0806
2364 || attrib->ether_type == 0x888e
2365 || attrib->dhcp_pkt
2366 ) {
2367 DBG_871X(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter)
2368 , attrib->ether_type, attrib->dhcp_pkt?" DHCP":"");
2369 allow = true;
2370 }
2371 } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL)
2372 allow = true;
2373 else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) {
2374 } else
2375 rtw_warn_on(1);
2376
2377 return allow;
2378}
2379
2380sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
2381{
2382 sint ret = false;
2383 struct sta_info *psta = NULL;
2384 struct sta_priv *pstapriv = &padapter->stapriv;
2385 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2386 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2387 sint bmcst = IS_MCAST(pattrib->ra);
2388 bool update_tim = false;
2389
2390 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) {
2391 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate);
2392 return ret;
2393 }
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2406 if (pattrib->psta != psta) {
2407 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta);
2408 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2409 return false;
2410 }
2411
2412 if (psta == NULL) {
2413 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta);
2414 DBG_871X("%s, psta ==NUL\n", __func__);
2415 return false;
2416 }
2417
2418 if (!(psta->state & _FW_LINKED)) {
2419 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link);
2420 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2421 return false;
2422 }
2423
2424 if (pattrib->triggered == 1) {
2425 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger);
2426
2427
2428
2429 if (bmcst && xmitframe_hiq_filter(pxmitframe) == true)
2430 pattrib->qsel = 0x11;
2431
2432 return ret;
2433 }
2434
2435
2436 if (bmcst) {
2437 spin_lock_bh(&psta->sleep_q.lock);
2438
2439 if (pstapriv->sta_dz_bitmap) {
2440
2441
2442 list_del_init(&pxmitframe->list);
2443
2444
2445
2446 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2447
2448 psta->sleepq_len++;
2449
2450 if (!(pstapriv->tim_bitmap & BIT(0)))
2451 update_tim = true;
2452
2453 pstapriv->tim_bitmap |= BIT(0);
2454 pstapriv->sta_dz_bitmap |= BIT(0);
2455
2456
2457
2458 if (update_tim == true) {
2459 update_beacon(padapter, _TIM_IE_, NULL, true);
2460 } else {
2461 chk_bmc_sleepq_cmd(padapter);
2462 }
2463
2464
2465
2466 ret = true;
2467
2468 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast);
2469
2470 }
2471
2472 spin_unlock_bh(&psta->sleep_q.lock);
2473
2474 return ret;
2475
2476 }
2477
2478
2479 spin_lock_bh(&psta->sleep_q.lock);
2480
2481 if (psta->state&WIFI_SLEEP_STATE) {
2482 u8 wmmps_ac = 0;
2483
2484 if (pstapriv->sta_dz_bitmap & BIT(psta->aid)) {
2485 list_del_init(&pxmitframe->list);
2486
2487
2488
2489 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2490
2491 psta->sleepq_len++;
2492
2493 switch (pattrib->priority) {
2494 case 1:
2495 case 2:
2496 wmmps_ac = psta->uapsd_bk&BIT(0);
2497 break;
2498 case 4:
2499 case 5:
2500 wmmps_ac = psta->uapsd_vi&BIT(0);
2501 break;
2502 case 6:
2503 case 7:
2504 wmmps_ac = psta->uapsd_vo&BIT(0);
2505 break;
2506 case 0:
2507 case 3:
2508 default:
2509 wmmps_ac = psta->uapsd_be&BIT(0);
2510 break;
2511 }
2512
2513 if (wmmps_ac)
2514 psta->sleepq_ac_len++;
2515
2516 if (((psta->has_legacy_ac) && (!wmmps_ac)) || ((!psta->has_legacy_ac) && (wmmps_ac))) {
2517 if (!(pstapriv->tim_bitmap & BIT(psta->aid)))
2518 update_tim = true;
2519
2520 pstapriv->tim_bitmap |= BIT(psta->aid);
2521
2522
2523
2524 if (update_tim == true)
2525
2526
2527 update_beacon(padapter, _TIM_IE_, NULL, true);
2528 }
2529
2530
2531
2532
2533
2534
2535
2536
2537 ret = true;
2538
2539 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast);
2540 }
2541
2542 }
2543
2544 spin_unlock_bh(&psta->sleep_q.lock);
2545
2546 return ret;
2547
2548}
2549
2550static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
2551{
2552 sint ret;
2553 struct list_head *plist, *phead;
2554 u8 ac_index;
2555 struct tx_servq *ptxservq;
2556 struct pkt_attrib *pattrib;
2557 struct xmit_frame *pxmitframe;
2558 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2559
2560 phead = get_list_head(pframequeue);
2561 plist = get_next(phead);
2562
2563 while (phead != plist) {
2564 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
2565
2566 plist = get_next(plist);
2567
2568 pattrib = &pxmitframe->attrib;
2569
2570 pattrib->triggered = 0;
2571
2572 ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
2573
2574 if (true == ret) {
2575 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2576
2577 ptxservq->qcnt--;
2578 phwxmits[ac_index].accnt--;
2579 } else {
2580
2581 }
2582
2583 }
2584
2585}
2586
2587void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
2588{
2589 struct sta_info *psta_bmc;
2590 struct sta_xmit_priv *pstaxmitpriv;
2591 struct sta_priv *pstapriv = &padapter->stapriv;
2592 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2593
2594 pstaxmitpriv = &psta->sta_xmitpriv;
2595
2596
2597 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2598
2599
2600 spin_lock_bh(&pxmitpriv->lock);
2601
2602 psta->state |= WIFI_SLEEP_STATE;
2603
2604 pstapriv->sta_dz_bitmap |= BIT(psta->aid);
2605
2606
2607
2608 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2609 list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
2610
2611
2612 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2613 list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
2614
2615
2616 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
2617 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
2618
2619
2620 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
2621 list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
2622
2623
2624 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2625 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
2626 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
2627
2628 spin_unlock_bh(&pxmitpriv->lock);
2629}
2630
2631void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
2632{
2633 u8 update_mask = 0, wmmps_ac = 0;
2634 struct sta_info *psta_bmc;
2635 struct list_head *xmitframe_plist, *xmitframe_phead;
2636 struct xmit_frame *pxmitframe = NULL;
2637 struct sta_priv *pstapriv = &padapter->stapriv;
2638 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2639
2640 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2641
2642
2643
2644 spin_lock_bh(&pxmitpriv->lock);
2645
2646 xmitframe_phead = get_list_head(&psta->sleep_q);
2647 xmitframe_plist = get_next(xmitframe_phead);
2648
2649 while (xmitframe_phead != xmitframe_plist) {
2650 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2651
2652 xmitframe_plist = get_next(xmitframe_plist);
2653
2654 list_del_init(&pxmitframe->list);
2655
2656 switch (pxmitframe->attrib.priority) {
2657 case 1:
2658 case 2:
2659 wmmps_ac = psta->uapsd_bk&BIT(1);
2660 break;
2661 case 4:
2662 case 5:
2663 wmmps_ac = psta->uapsd_vi&BIT(1);
2664 break;
2665 case 6:
2666 case 7:
2667 wmmps_ac = psta->uapsd_vo&BIT(1);
2668 break;
2669 case 0:
2670 case 3:
2671 default:
2672 wmmps_ac = psta->uapsd_be&BIT(1);
2673 break;
2674 }
2675
2676 psta->sleepq_len--;
2677 if (psta->sleepq_len > 0)
2678 pxmitframe->attrib.mdata = 1;
2679 else
2680 pxmitframe->attrib.mdata = 0;
2681
2682 if (wmmps_ac) {
2683 psta->sleepq_ac_len--;
2684 if (psta->sleepq_ac_len > 0) {
2685 pxmitframe->attrib.mdata = 1;
2686 pxmitframe->attrib.eosp = 0;
2687 } else {
2688 pxmitframe->attrib.mdata = 0;
2689 pxmitframe->attrib.eosp = 1;
2690 }
2691 }
2692
2693 pxmitframe->attrib.triggered = 1;
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2704
2705
2706 }
2707
2708 if (psta->sleepq_len == 0) {
2709 if (pstapriv->tim_bitmap & BIT(psta->aid)) {
2710
2711
2712
2713 update_mask = BIT(0);
2714 }
2715
2716 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2717
2718 if (psta->state&WIFI_SLEEP_STATE)
2719 psta->state ^= WIFI_SLEEP_STATE;
2720
2721 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2722 DBG_871X("%s alive check\n", __func__);
2723 psta->expire_to = pstapriv->expire_to;
2724 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2725 }
2726
2727 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
2728 }
2729
2730
2731 if (!psta_bmc)
2732 goto _exit;
2733
2734 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
2735 xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
2736 xmitframe_plist = get_next(xmitframe_phead);
2737
2738 while (xmitframe_phead != xmitframe_plist) {
2739 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2740
2741 xmitframe_plist = get_next(xmitframe_plist);
2742
2743 list_del_init(&pxmitframe->list);
2744
2745 psta_bmc->sleepq_len--;
2746 if (psta_bmc->sleepq_len > 0)
2747 pxmitframe->attrib.mdata = 1;
2748 else
2749 pxmitframe->attrib.mdata = 0;
2750
2751
2752 pxmitframe->attrib.triggered = 1;
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2763
2764 }
2765
2766 if (psta_bmc->sleepq_len == 0) {
2767 if (pstapriv->tim_bitmap & BIT(0)) {
2768
2769
2770
2771 update_mask |= BIT(1);
2772 }
2773 pstapriv->tim_bitmap &= ~BIT(0);
2774 pstapriv->sta_dz_bitmap &= ~BIT(0);
2775 }
2776
2777 }
2778
2779_exit:
2780
2781
2782 spin_unlock_bh(&pxmitpriv->lock);
2783
2784 if (update_mask)
2785
2786
2787 update_beacon(padapter, _TIM_IE_, NULL, true);
2788
2789}
2790
2791void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
2792{
2793 u8 wmmps_ac = 0;
2794 struct list_head *xmitframe_plist, *xmitframe_phead;
2795 struct xmit_frame *pxmitframe = NULL;
2796 struct sta_priv *pstapriv = &padapter->stapriv;
2797 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2798
2799
2800
2801 spin_lock_bh(&pxmitpriv->lock);
2802
2803 xmitframe_phead = get_list_head(&psta->sleep_q);
2804 xmitframe_plist = get_next(xmitframe_phead);
2805
2806 while (xmitframe_phead != xmitframe_plist) {
2807 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2808
2809 xmitframe_plist = get_next(xmitframe_plist);
2810
2811 switch (pxmitframe->attrib.priority) {
2812 case 1:
2813 case 2:
2814 wmmps_ac = psta->uapsd_bk&BIT(1);
2815 break;
2816 case 4:
2817 case 5:
2818 wmmps_ac = psta->uapsd_vi&BIT(1);
2819 break;
2820 case 6:
2821 case 7:
2822 wmmps_ac = psta->uapsd_vo&BIT(1);
2823 break;
2824 case 0:
2825 case 3:
2826 default:
2827 wmmps_ac = psta->uapsd_be&BIT(1);
2828 break;
2829 }
2830
2831 if (!wmmps_ac)
2832 continue;
2833
2834 list_del_init(&pxmitframe->list);
2835
2836 psta->sleepq_len--;
2837 psta->sleepq_ac_len--;
2838
2839 if (psta->sleepq_ac_len > 0) {
2840 pxmitframe->attrib.mdata = 1;
2841 pxmitframe->attrib.eosp = 0;
2842 } else {
2843 pxmitframe->attrib.mdata = 0;
2844 pxmitframe->attrib.eosp = 1;
2845 }
2846
2847 pxmitframe->attrib.triggered = 1;
2848 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2849
2850 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
2851 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2852
2853
2854
2855
2856 update_beacon(padapter, _TIM_IE_, NULL, true);
2857
2858 }
2859
2860 }
2861
2862
2863 spin_unlock_bh(&pxmitpriv->lock);
2864
2865 return;
2866}
2867
2868void enqueue_pending_xmitbuf(
2869 struct xmit_priv *pxmitpriv,
2870 struct xmit_buf *pxmitbuf)
2871{
2872 struct __queue *pqueue;
2873 struct adapter *pri_adapter = pxmitpriv->adapter;
2874
2875 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2876
2877 spin_lock_bh(&pqueue->lock);
2878 list_del_init(&pxmitbuf->list);
2879 list_add_tail(&pxmitbuf->list, get_list_head(pqueue));
2880 spin_unlock_bh(&pqueue->lock);
2881
2882 complete(&(pri_adapter->xmitpriv.xmit_comp));
2883}
2884
2885void enqueue_pending_xmitbuf_to_head(
2886 struct xmit_priv *pxmitpriv,
2887 struct xmit_buf *pxmitbuf)
2888{
2889 struct __queue *pqueue;
2890
2891 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2892
2893 spin_lock_bh(&pqueue->lock);
2894 list_del_init(&pxmitbuf->list);
2895 list_add(&pxmitbuf->list, get_list_head(pqueue));
2896 spin_unlock_bh(&pqueue->lock);
2897}
2898
2899struct xmit_buf *dequeue_pending_xmitbuf(
2900 struct xmit_priv *pxmitpriv)
2901{
2902 struct xmit_buf *pxmitbuf;
2903 struct __queue *pqueue;
2904
2905
2906 pxmitbuf = NULL;
2907 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2908
2909 spin_lock_bh(&pqueue->lock);
2910
2911 if (!list_empty(&pqueue->queue)) {
2912 struct list_head *plist, *phead;
2913
2914 phead = get_list_head(pqueue);
2915 plist = get_next(phead);
2916 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2917 list_del_init(&pxmitbuf->list);
2918 }
2919
2920 spin_unlock_bh(&pqueue->lock);
2921
2922 return pxmitbuf;
2923}
2924
2925struct xmit_buf *dequeue_pending_xmitbuf_under_survey(
2926 struct xmit_priv *pxmitpriv)
2927{
2928 struct xmit_buf *pxmitbuf;
2929 struct __queue *pqueue;
2930
2931
2932 pxmitbuf = NULL;
2933 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2934
2935 spin_lock_bh(&pqueue->lock);
2936
2937 if (!list_empty(&pqueue->queue)) {
2938 struct list_head *plist, *phead;
2939 u8 type;
2940
2941 phead = get_list_head(pqueue);
2942 plist = phead;
2943 do {
2944 plist = get_next(plist);
2945 if (plist == phead)
2946 break;
2947
2948 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2949
2950 type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET);
2951
2952 if ((type == WIFI_PROBEREQ) ||
2953 (type == WIFI_DATA_NULL) ||
2954 (type == WIFI_QOS_DATA_NULL)) {
2955 list_del_init(&pxmitbuf->list);
2956 break;
2957 }
2958 pxmitbuf = NULL;
2959 } while (1);
2960 }
2961
2962 spin_unlock_bh(&pqueue->lock);
2963
2964 return pxmitbuf;
2965}
2966
2967sint check_pending_xmitbuf(
2968 struct xmit_priv *pxmitpriv)
2969{
2970 struct __queue *pqueue;
2971 sint ret = false;
2972
2973 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2974
2975 spin_lock_bh(&pqueue->lock);
2976
2977 if (!list_empty(&pqueue->queue))
2978 ret = true;
2979
2980 spin_unlock_bh(&pqueue->lock);
2981
2982 return ret;
2983}
2984
2985int rtw_xmit_thread(void *context)
2986{
2987 s32 err;
2988 struct adapter *padapter;
2989
2990
2991 err = _SUCCESS;
2992 padapter = context;
2993
2994 thread_enter("RTW_XMIT_THREAD");
2995
2996 do {
2997 err = rtw_hal_xmit_thread_handler(padapter);
2998 flush_signals_thread();
2999 } while (_SUCCESS == err);
3000
3001 complete(&padapter->xmitpriv.terminate_xmitthread_comp);
3002
3003 thread_exit();
3004}
3005
3006void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
3007{
3008 sctx->timeout_ms = timeout_ms;
3009 sctx->submit_time = jiffies;
3010 init_completion(&sctx->done);
3011 sctx->status = RTW_SCTX_SUBMITTED;
3012}
3013
3014int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg)
3015{
3016 int ret = _FAIL;
3017 unsigned long expire;
3018 int status = 0;
3019
3020 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
3021 if (!wait_for_completion_timeout(&sctx->done, expire)) {
3022
3023 status = RTW_SCTX_DONE_TIMEOUT;
3024 DBG_871X("%s timeout: %s\n", __func__, msg);
3025 } else {
3026 status = sctx->status;
3027 }
3028
3029 if (status == RTW_SCTX_DONE_SUCCESS) {
3030 ret = _SUCCESS;
3031 }
3032
3033 return ret;
3034}
3035
3036static bool rtw_sctx_chk_warning_status(int status)
3037{
3038 switch (status) {
3039 case RTW_SCTX_DONE_UNKNOWN:
3040 case RTW_SCTX_DONE_BUF_ALLOC:
3041 case RTW_SCTX_DONE_BUF_FREE:
3042
3043 case RTW_SCTX_DONE_DRV_STOP:
3044 case RTW_SCTX_DONE_DEV_REMOVE:
3045 return true;
3046 default:
3047 return false;
3048 }
3049}
3050
3051void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
3052{
3053 if (*sctx) {
3054 if (rtw_sctx_chk_warning_status(status))
3055 DBG_871X("%s status:%d\n", __func__, status);
3056 (*sctx)->status = status;
3057 complete(&((*sctx)->done));
3058 *sctx = NULL;
3059 }
3060}
3061
3062void rtw_sctx_done(struct submit_ctx **sctx)
3063{
3064 rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
3065}
3066
3067int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
3068{
3069 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3070
3071 pack_tx_ops->submit_time = jiffies;
3072 pack_tx_ops->timeout_ms = timeout_ms;
3073 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
3074
3075 return rtw_sctx_wait(pack_tx_ops, __func__);
3076}
3077
3078void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
3079{
3080 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3081
3082 if (pxmitpriv->ack_tx) {
3083 rtw_sctx_done_err(&pack_tx_ops, status);
3084 } else {
3085 DBG_871X("%s ack_tx not set\n", __func__);
3086 }
3087}
3088