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15#define _RTW_XMIT_C_
16
17#include <osdep_service.h>
18#include <drv_types.h>
19#include <mon.h>
20#include <wifi.h>
21#include <osdep_intf.h>
22#include <linux/vmalloc.h>
23
24static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
25static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
26
27static void _init_txservq(struct tx_servq *ptxservq)
28{
29 INIT_LIST_HEAD(&ptxservq->tx_pending);
30 _rtw_init_queue(&ptxservq->sta_pending);
31 ptxservq->qcnt = 0;
32}
33
34void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
35{
36 memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
37 spin_lock_init(&psta_xmitpriv->lock);
38 _init_txservq(&psta_xmitpriv->be_q);
39 _init_txservq(&psta_xmitpriv->bk_q);
40 _init_txservq(&psta_xmitpriv->vi_q);
41 _init_txservq(&psta_xmitpriv->vo_q);
42 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
43 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
44
45}
46
47s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
48{
49 int i;
50 struct xmit_buf *pxmitbuf;
51 struct xmit_frame *pxframe;
52 int res = _SUCCESS;
53 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
54 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
55
56
57
58
59 spin_lock_init(&pxmitpriv->lock);
60
61
62
63
64
65 pxmitpriv->adapter = padapter;
66
67 _rtw_init_queue(&pxmitpriv->be_pending);
68 _rtw_init_queue(&pxmitpriv->bk_pending);
69 _rtw_init_queue(&pxmitpriv->vi_pending);
70 _rtw_init_queue(&pxmitpriv->vo_pending);
71 _rtw_init_queue(&pxmitpriv->bm_pending);
72
73 _rtw_init_queue(&pxmitpriv->free_xmit_queue);
74
75
76
77
78
79
80
81 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
82
83 if (pxmitpriv->pallocated_frame_buf == NULL) {
84 pxmitpriv->pxmit_frame_buf = NULL;
85 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
86 res = _FAIL;
87 goto exit;
88 }
89 pxmitpriv->pxmit_frame_buf = PTR_ALIGN(pxmitpriv->pallocated_frame_buf, 4);
90
91
92
93 pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
94
95 for (i = 0; i < NR_XMITFRAME; i++) {
96 INIT_LIST_HEAD(&pxframe->list);
97
98 pxframe->padapter = padapter;
99 pxframe->frame_tag = NULL_FRAMETAG;
100
101 pxframe->pkt = NULL;
102
103 pxframe->buf_addr = NULL;
104 pxframe->pxmitbuf = NULL;
105
106 list_add_tail(&pxframe->list, &pxmitpriv->free_xmit_queue.queue);
107
108 pxframe++;
109 }
110
111 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
112
113 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
114
115
116 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
117 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
118
119 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
120
121 if (pxmitpriv->pallocated_xmitbuf == NULL) {
122 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
123 res = _FAIL;
124 goto exit;
125 }
126
127 pxmitpriv->pxmitbuf = PTR_ALIGN(pxmitpriv->pallocated_xmitbuf, 4);
128
129
130
131 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
132
133 for (i = 0; i < NR_XMITBUFF; i++) {
134 INIT_LIST_HEAD(&pxmitbuf->list);
135
136 pxmitbuf->priv_data = NULL;
137 pxmitbuf->padapter = padapter;
138 pxmitbuf->ext_tag = false;
139
140
141 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
142 if (res == _FAIL) {
143 msleep(10);
144 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
145 if (res == _FAIL)
146 goto exit;
147 }
148
149 pxmitbuf->flags = XMIT_VO_QUEUE;
150
151 list_add_tail(&pxmitbuf->list, &pxmitpriv->free_xmitbuf_queue.queue);
152 pxmitbuf++;
153 }
154
155 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
156
157
158 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
159
160 pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
161
162 if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
163 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
164 res = _FAIL;
165 goto exit;
166 }
167
168 pxmitpriv->pxmit_extbuf = PTR_ALIGN(pxmitpriv->pallocated_xmit_extbuf, 4);
169
170 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
171
172 for (i = 0; i < num_xmit_extbuf; i++) {
173 INIT_LIST_HEAD(&pxmitbuf->list);
174
175 pxmitbuf->priv_data = NULL;
176 pxmitbuf->padapter = padapter;
177 pxmitbuf->ext_tag = true;
178
179 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
180 if (res == _FAIL) {
181 res = _FAIL;
182 goto exit;
183 }
184
185 list_add_tail(&pxmitbuf->list, &pxmitpriv->free_xmit_extbuf_queue.queue);
186 pxmitbuf++;
187 }
188
189 pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
190
191 rtw_alloc_hwxmits(padapter);
192 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
193
194 for (i = 0; i < 4; i++)
195 pxmitpriv->wmm_para_seq[i] = i;
196
197 pxmitpriv->txirp_cnt = 1;
198
199
200 pxmitpriv->beq_cnt = 0;
201 pxmitpriv->bkq_cnt = 0;
202 pxmitpriv->viq_cnt = 0;
203 pxmitpriv->voq_cnt = 0;
204
205 pxmitpriv->ack_tx = false;
206 mutex_init(&pxmitpriv->ack_tx_mutex);
207 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
208
209 rtw_hal_init_xmit_priv(padapter);
210
211exit:
212
213
214 return res;
215}
216
217void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
218{
219 int i;
220 struct adapter *padapter = pxmitpriv->adapter;
221 struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
222 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
223 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
224
225 if (pxmitpriv->pxmit_frame_buf == NULL)
226 return;
227
228 for (i = 0; i < NR_XMITFRAME; i++) {
229 rtw_os_xmit_complete(padapter, pxmitframe);
230
231 pxmitframe++;
232 }
233
234 for (i = 0; i < NR_XMITBUFF; i++) {
235 rtw_os_xmit_resource_free(pxmitbuf);
236 pxmitbuf++;
237 }
238
239 vfree(pxmitpriv->pallocated_frame_buf);
240 vfree(pxmitpriv->pallocated_xmitbuf);
241
242
243 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
244 for (i = 0; i < num_xmit_extbuf; i++) {
245 rtw_os_xmit_resource_free(pxmitbuf);
246 pxmitbuf++;
247 }
248
249 vfree(pxmitpriv->pallocated_xmit_extbuf);
250
251 rtw_free_hwxmits(padapter);
252
253 mutex_destroy(&pxmitpriv->ack_tx_mutex);
254}
255
256static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
257{
258 u32 sz;
259 struct pkt_attrib *pattrib = &pxmitframe->attrib;
260 struct sta_info *psta = pattrib->psta;
261 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
262 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
263
264 if (pattrib->nr_frags != 1)
265 sz = padapter->xmitpriv.frag_len;
266 else
267 sz = pattrib->last_txcmdsz;
268
269
270
271
272
273 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
274 if (sz > padapter->registrypriv.rts_thresh) {
275 pattrib->vcs_mode = RTS_CTS;
276 } else {
277 if (psta->rtsen)
278 pattrib->vcs_mode = RTS_CTS;
279 else if (psta->cts2self)
280 pattrib->vcs_mode = CTS_TO_SELF;
281 else
282 pattrib->vcs_mode = NONE_VCS;
283 }
284 } else {
285 while (true) {
286
287 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
288 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
289 pattrib->vcs_mode = CTS_TO_SELF;
290 break;
291 }
292
293
294 if (psta->rtsen || psta->cts2self) {
295 if (psta->rtsen)
296 pattrib->vcs_mode = RTS_CTS;
297 else if (psta->cts2self)
298 pattrib->vcs_mode = CTS_TO_SELF;
299
300 break;
301 }
302
303
304 if (pattrib->ht_en) {
305 u8 htopmode = pmlmeinfo->HT_protection;
306
307 if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
308 (!pmlmeext->cur_bwmode && htopmode == 3)) {
309 pattrib->vcs_mode = RTS_CTS;
310 break;
311 }
312 }
313
314
315 if (sz > padapter->registrypriv.rts_thresh) {
316 pattrib->vcs_mode = RTS_CTS;
317 break;
318 }
319
320
321
322
323 if (pattrib->ampdu_en) {
324 pattrib->vcs_mode = RTS_CTS;
325 break;
326 }
327
328 pattrib->vcs_mode = NONE_VCS;
329 break;
330 }
331 }
332}
333
334static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
335{
336
337
338
339
340
341
342
343 pattrib->mdata = 0;
344 pattrib->eosp = 0;
345 pattrib->triggered = 0;
346
347
348 pattrib->qos_en = psta->qos_option;
349
350 pattrib->raid = psta->raid;
351 pattrib->ht_en = psta->htpriv.ht_option;
352 pattrib->bwmode = psta->htpriv.bwmode;
353 pattrib->ch_offset = psta->htpriv.ch_offset;
354 pattrib->sgi = psta->htpriv.sgi;
355 pattrib->ampdu_en = false;
356 pattrib->retry_ctrl = false;
357}
358
359u8 qos_acm(u8 acm_mask, u8 priority)
360{
361 u8 change_priority = priority;
362
363 switch (priority) {
364 case 0:
365 case 3:
366 if (acm_mask & BIT(1))
367 change_priority = 1;
368 break;
369 case 1:
370 case 2:
371 break;
372 case 4:
373 case 5:
374 if (acm_mask & BIT(2))
375 change_priority = 0;
376 break;
377 case 6:
378 case 7:
379 if (acm_mask & BIT(3))
380 change_priority = 5;
381 break;
382 default:
383 DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
384 break;
385 }
386
387 return change_priority;
388}
389
390static void set_qos(struct sk_buff *skb, struct pkt_attrib *pattrib)
391{
392 if (pattrib->ether_type == 0x0800) {
393 struct iphdr ip_hdr;
394
395 skb_copy_bits(skb, ETH_HLEN, &ip_hdr, sizeof(ip_hdr));
396 pattrib->priority = ip_hdr.tos >> 5;
397 } else if (pattrib->ether_type == ETH_P_PAE) {
398
399
400 pattrib->priority = 7;
401 } else {
402 pattrib->priority = 0;
403 }
404
405 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
406 pattrib->subtype = WIFI_QOS_DATA_TYPE;
407}
408
409static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
410{
411 struct sta_info *psta = NULL;
412 struct ethhdr etherhdr;
413
414 int bmcast;
415 struct sta_priv *pstapriv = &padapter->stapriv;
416 struct security_priv *psecuritypriv = &padapter->securitypriv;
417 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
418 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
419 int res = _SUCCESS;
420
421 skb_copy_bits(pkt, 0, ðerhdr, ETH_HLEN);
422
423 pattrib->ether_type = ntohs(etherhdr.h_proto);
424
425 memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
426 memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
427
428 pattrib->pctrl = 0;
429
430 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
431 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
432 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
433 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
434 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
435 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
436 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
437 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
438 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
439 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
440 }
441
442 pattrib->pktlen = pkt->len - ETH_HLEN;
443
444 if (pattrib->ether_type == ETH_P_IP) {
445
446
447 u8 tmp[24];
448
449 skb_copy_bits(pkt, ETH_HLEN, tmp, 24);
450
451 pattrib->dhcp_pkt = 0;
452 if (pkt->len > ETH_HLEN + 24 + 282) {
453 if (pattrib->ether_type == ETH_P_IP) {
454 if (((tmp[21] == 68) && (tmp[23] == 67)) ||
455 ((tmp[21] == 67) && (tmp[23] == 68))) {
456
457
458 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== %s: get DHCP Packet\n", __func__));
459
460 pattrib->dhcp_pkt = 1;
461 }
462 }
463 }
464 } else if (pattrib->ether_type == ETH_P_PAE) {
465 DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
466 }
467
468 if ((pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1))
469 rtw_set_scan_deny(padapter, 3000);
470
471
472 if ((pattrib->ether_type == ETH_P_ARP) || (pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1))
473 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
474
475 bmcast = IS_MCAST(pattrib->ra);
476
477
478 if (bmcast) {
479 psta = rtw_get_bcmc_stainfo(padapter);
480 } else {
481 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
482 if (!psta) {
483 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
484 res = _FAIL;
485 goto exit;
486 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
487 res = _FAIL;
488 goto exit;
489 }
490 }
491
492 if (psta) {
493 pattrib->mac_id = psta->mac_id;
494
495 pattrib->psta = psta;
496 } else {
497
498 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
499 res = _FAIL;
500 goto exit;
501 }
502
503 pattrib->ack_policy = 0;
504
505 pattrib->hdrlen = WLAN_HDR_A3_LEN;
506 pattrib->subtype = WIFI_DATA_TYPE;
507 pattrib->priority = 0;
508
509 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
510 if (psta->qos_option)
511 set_qos(pkt, pattrib);
512 } else {
513 if (pqospriv->qos_option) {
514 set_qos(pkt, pattrib);
515
516 if (pmlmepriv->acm_mask != 0)
517 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
518 }
519 }
520
521 if (psta->ieee8021x_blocked) {
522 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
523
524 pattrib->encrypt = 0;
525
526 if (pattrib->ether_type != ETH_P_PAE) {
527 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != ETH_P_PAE\n", pattrib->ether_type));
528 res = _FAIL;
529 goto exit;
530 }
531 } else {
532 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
533
534 switch (psecuritypriv->dot11AuthAlgrthm) {
535 case dot11AuthAlgrthm_Open:
536 case dot11AuthAlgrthm_Shared:
537 case dot11AuthAlgrthm_Auto:
538 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
539 break;
540 case dot11AuthAlgrthm_8021X:
541 if (bmcast)
542 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
543 else
544 pattrib->key_idx = 0;
545 break;
546 default:
547 pattrib->key_idx = 0;
548 break;
549 }
550 }
551
552 switch (pattrib->encrypt) {
553 case _WEP40_:
554 case _WEP104_:
555 pattrib->iv_len = 4;
556 pattrib->icv_len = 4;
557 break;
558 case _TKIP_:
559 pattrib->iv_len = 8;
560 pattrib->icv_len = 4;
561
562 if (padapter->securitypriv.busetkipkey == _FAIL) {
563 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
564 ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
565 padapter->securitypriv.busetkipkey));
566 res = _FAIL;
567 goto exit;
568 }
569 break;
570 case _AES_:
571 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
572 pattrib->iv_len = 8;
573 pattrib->icv_len = 8;
574 break;
575 default:
576 pattrib->iv_len = 0;
577 pattrib->icv_len = 0;
578 break;
579 }
580
581 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
582 ("%s: encrypt=%d\n", __func__, pattrib->encrypt));
583
584 if (pattrib->encrypt && !psecuritypriv->hw_decrypted) {
585 pattrib->bswenc = true;
586 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
587 ("%s: encrypt=%d bswenc = true\n", __func__,
588 pattrib->encrypt));
589 } else {
590 pattrib->bswenc = false;
591 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("%s: bswenc = false\n", __func__));
592 }
593
594 update_attrib_phy_info(pattrib, psta);
595
596exit:
597
598
599 return res;
600}
601
602static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
603{
604 int curfragnum, length;
605 u8 *pframe, *payload, mic[8];
606 struct mic_data micdata;
607 struct sta_info *stainfo;
608 struct pkt_attrib *pattrib = &pxmitframe->attrib;
609 struct security_priv *psecuritypriv = &padapter->securitypriv;
610 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
611 u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
612 u8 hw_hdr_offset = 0;
613 int bmcst = IS_MCAST(pattrib->ra);
614
615 if (pattrib->psta)
616 stainfo = pattrib->psta;
617 else
618 stainfo = rtw_get_stainfo(&padapter->stapriv, &pattrib->ra[0]);
619
620
621 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
622
623 if (pattrib->encrypt == _TKIP_) {
624
625 if (stainfo) {
626 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
627 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
628 0x0, 0x0};
629
630 pframe = pxmitframe->buf_addr + hw_hdr_offset;
631
632 if (bmcst) {
633 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
634 return _FAIL;
635
636 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
637 } else {
638 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16)) {
639
640
641 return _FAIL;
642 }
643
644 rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
645 }
646
647 if (pframe[1]&1) {
648 rtw_secmicappend(&micdata, &pframe[16], 6);
649 if (pframe[1]&2)
650 rtw_secmicappend(&micdata, &pframe[24], 6);
651 else
652 rtw_secmicappend(&micdata, &pframe[10], 6);
653 } else {
654 rtw_secmicappend(&micdata, &pframe[4], 6);
655 if (pframe[1]&2)
656 rtw_secmicappend(&micdata, &pframe[16], 6);
657 else
658 rtw_secmicappend(&micdata, &pframe[10], 6);
659 }
660
661 if (pattrib->qos_en)
662 priority[0] = (u8)pxmitframe->attrib.priority;
663
664 rtw_secmicappend(&micdata, &priority[0], 4);
665
666 payload = pframe;
667
668 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
669 payload = (u8 *)round_up((size_t)(payload), 4);
670 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
671 ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
672 curfragnum, *payload, *(payload+1),
673 *(payload+2), *(payload+3),
674 *(payload+4), *(payload+5),
675 *(payload+6), *(payload+7)));
676
677 payload = payload+pattrib->hdrlen+pattrib->iv_len;
678 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
679 ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
680 curfragnum, pattrib->hdrlen, pattrib->iv_len));
681 if ((curfragnum+1) == pattrib->nr_frags) {
682 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
683 rtw_secmicappend(&micdata, payload, length);
684 payload = payload+length;
685 } else {
686 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
687 rtw_secmicappend(&micdata, payload, length);
688 payload = payload+length+pattrib->icv_len;
689 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
690 }
691 }
692 rtw_secgetmic(&micdata, &mic[0]);
693 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: before add mic code!!!\n", __func__));
694 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: pattrib->last_txcmdsz=%d!!!\n", __func__, pattrib->last_txcmdsz));
695 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\
696 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
697 __func__, mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
698
699
700 memcpy(payload, &mic[0], 8);
701 pattrib->last_txcmdsz += 8;
702
703 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
704 payload = payload-pattrib->last_txcmdsz+8;
705 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
706 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
707 (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
708 *(payload + curfragnum), *(payload + curfragnum + 1),
709 *(payload + curfragnum + 2), *(payload + curfragnum + 3),
710 *(payload + curfragnum + 4), *(payload + curfragnum + 5),
711 *(payload + curfragnum + 6), *(payload + curfragnum + 7)));
712 } else {
713 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: rtw_get_stainfo==NULL!!!\n", __func__));
714 }
715 }
716
717
718 return _SUCCESS;
719}
720
721static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
722{
723 struct pkt_attrib *pattrib = &pxmitframe->attrib;
724
725
726 if (pattrib->bswenc) {
727 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### %s\n", __func__));
728 switch (pattrib->encrypt) {
729 case _WEP40_:
730 case _WEP104_:
731 rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
732 break;
733 case _TKIP_:
734 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
735 break;
736 case _AES_:
737 rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
738 break;
739 default:
740 break;
741 }
742 } else {
743 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
744 }
745
746
747 return _SUCCESS;
748}
749
750s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
751{
752 u16 *qc;
753
754 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
755 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
756 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
757 u8 qos_option = false;
758
759 int res = _SUCCESS;
760 __le16 *fctrl = &pwlanhdr->frame_control;
761
762 struct sta_info *psta;
763
764 int bmcst = IS_MCAST(pattrib->ra);
765
766
767 if (pattrib->psta) {
768 psta = pattrib->psta;
769 } else {
770 if (bmcst)
771 psta = rtw_get_bcmc_stainfo(padapter);
772 else
773 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
774 }
775
776 memset(hdr, 0, WLANHDR_OFFSET);
777
778 SetFrameSubType(fctrl, pattrib->subtype);
779
780 if (pattrib->subtype & WIFI_DATA_TYPE) {
781 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
782
783
784 SetToDs(fctrl);
785 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
786 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
787 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
788
789 if (pqospriv->qos_option)
790 qos_option = true;
791 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
792
793 SetFrDs(fctrl);
794 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
795 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
796 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
797
798 if (psta->qos_option)
799 qos_option = true;
800 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
801 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
802 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
803 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
804 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
805
806 if (psta->qos_option)
807 qos_option = true;
808 } else {
809 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
810 res = _FAIL;
811 goto exit;
812 }
813
814 if (pattrib->mdata)
815 SetMData(fctrl);
816
817 if (pattrib->encrypt)
818 SetPrivacy(fctrl);
819
820 if (qos_option) {
821 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
822
823 if (pattrib->priority)
824 SetPriority(qc, pattrib->priority);
825
826 SetEOSP(qc, pattrib->eosp);
827
828 SetAckpolicy(qc, pattrib->ack_policy);
829 }
830
831
832
833
834 if (psta) {
835 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
836 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
837
838 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
839
840 SetSeqNum(hdr, pattrib->seqnum);
841
842
843 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
844 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
845 pattrib->ampdu_en = true;
846 }
847
848
849 if (pattrib->ampdu_en) {
850 u16 tx_seq;
851
852 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
853
854
855 if (SN_LESS(pattrib->seqnum, tx_seq)) {
856 pattrib->ampdu_en = false;
857 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
858 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
859
860 pattrib->ampdu_en = true;
861 } else {
862 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
863 pattrib->ampdu_en = true;
864 }
865 }
866 }
867 }
868exit:
869
870 return res;
871}
872
873s32 rtw_txframes_pending(struct adapter *padapter)
874{
875 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
876
877 return (!list_empty(&pxmitpriv->be_pending.queue) ||
878 !list_empty(&pxmitpriv->bk_pending.queue) ||
879 !list_empty(&pxmitpriv->vi_pending.queue) ||
880 !list_empty(&pxmitpriv->vo_pending.queue));
881}
882
883s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
884{
885 struct sta_info *psta;
886 struct tx_servq *ptxservq;
887 int priority = pattrib->priority;
888
889 psta = pattrib->psta;
890
891 switch (priority) {
892 case 1:
893 case 2:
894 ptxservq = &psta->sta_xmitpriv.bk_q;
895 break;
896 case 4:
897 case 5:
898 ptxservq = &psta->sta_xmitpriv.vi_q;
899 break;
900 case 6:
901 case 7:
902 ptxservq = &psta->sta_xmitpriv.vo_q;
903 break;
904 case 0:
905 case 3:
906 default:
907 ptxservq = &psta->sta_xmitpriv.be_q;
908 break;
909 }
910
911 return ptxservq->qcnt;
912}
913
914
915
916
917
918u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
919{
920 u32 len = 0;
921
922 len = pattrib->hdrlen + pattrib->iv_len;
923 len += SNAP_SIZE + sizeof(u16);
924 len += pattrib->pktlen;
925 if (pattrib->encrypt == _TKIP_)
926 len += 8;
927 len += ((pattrib->bswenc) ? pattrib->icv_len : 0);
928
929 return len;
930}
931
932
933
934
935
936
937
938
939
940
941
942
943
944s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
945{
946 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
947 size_t addr;
948 u8 *pframe, *mem_start;
949 u8 hw_hdr_offset;
950 struct sta_info *psta;
951 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
952 struct pkt_attrib *pattrib = &pxmitframe->attrib;
953 u8 *pbuf_start;
954 s32 bmcst = IS_MCAST(pattrib->ra);
955 s32 res = _SUCCESS;
956 size_t remainder = pkt->len - ETH_HLEN;
957
958 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
959
960 if (!psta)
961 return _FAIL;
962
963 if (pxmitframe->buf_addr == NULL) {
964 DBG_88E("==> %s buf_addr == NULL\n", __func__);
965 return _FAIL;
966 }
967
968 pbuf_start = pxmitframe->buf_addr;
969
970 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
971
972 mem_start = pbuf_start + hw_hdr_offset;
973
974 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
975 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: rtw_make_wlanhdr fail; drop pkt\n", __func__));
976 DBG_88E("%s: rtw_make_wlanhdr fail; drop pkt\n", __func__);
977 res = _FAIL;
978 goto exit;
979 }
980
981 frg_inx = 0;
982 frg_len = pxmitpriv->frag_len - 4;
983
984 while (1) {
985 llc_sz = 0;
986
987 mpdu_len = frg_len;
988
989 pframe = mem_start;
990
991 SetMFrag(mem_start);
992
993 pframe += pattrib->hdrlen;
994 mpdu_len -= pattrib->hdrlen;
995
996
997 if (pattrib->iv_len) {
998 switch (pattrib->encrypt) {
999 case _WEP40_:
1000 case _WEP104_:
1001 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1002 break;
1003 case _TKIP_:
1004 if (bmcst)
1005 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1006 else
1007 TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
1008 break;
1009 case _AES_:
1010 if (bmcst)
1011 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1012 else
1013 AES_IV(pattrib->iv, psta->dot11txpn, 0);
1014 break;
1015 }
1016
1017 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1018
1019 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1020 ("%s: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
1021 __func__, padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
1022
1023 pframe += pattrib->iv_len;
1024
1025 mpdu_len -= pattrib->iv_len;
1026 }
1027
1028 if (frg_inx == 0) {
1029 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1030 pframe += llc_sz;
1031 mpdu_len -= llc_sz;
1032 }
1033
1034 if ((pattrib->icv_len > 0) && (pattrib->bswenc))
1035 mpdu_len -= pattrib->icv_len;
1036
1037 mem_sz = min_t(size_t, bmcst ? pattrib->pktlen : mpdu_len, remainder);
1038 skb_copy_bits(pkt, pkt->len - remainder, pframe, mem_sz);
1039 remainder -= mem_sz;
1040
1041 pframe += mem_sz;
1042
1043 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1044 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1045 pframe += pattrib->icv_len;
1046 }
1047
1048 frg_inx++;
1049
1050 if (bmcst || remainder == 0) {
1051 pattrib->nr_frags = frg_inx;
1052
1053 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
1054 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
1055
1056 ClearMFrag(mem_start);
1057
1058 break;
1059 } else {
1060 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1061 }
1062
1063 addr = (size_t)(pframe);
1064
1065 mem_start = (unsigned char *)round_up(addr, 4) + hw_hdr_offset;
1066 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1067 }
1068
1069
1070 rtl88eu_mon_xmit_hook(padapter->pmondev, pxmitframe, frg_len);
1071
1072 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1073 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1074 DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1075 res = _FAIL;
1076 goto exit;
1077 }
1078
1079 xmitframe_swencrypt(padapter, pxmitframe);
1080
1081 if (!bmcst)
1082 update_attrib_vcs_info(padapter, pxmitframe);
1083 else
1084 pattrib->vcs_mode = NONE_VCS;
1085
1086exit:
1087
1088
1089 return res;
1090}
1091
1092
1093
1094
1095
1096
1097
1098
1099s32 rtw_put_snap(u8 *data, u16 h_proto)
1100{
1101 struct ieee80211_snap_hdr *snap;
1102 u8 *oui;
1103
1104
1105 snap = (struct ieee80211_snap_hdr *)data;
1106 snap->dsap = 0xaa;
1107 snap->ssap = 0xaa;
1108 snap->ctrl = 0x03;
1109
1110 if (h_proto == 0x8137 || h_proto == 0x80f3)
1111 oui = P802_1H_OUI;
1112 else
1113 oui = RFC1042_OUI;
1114
1115 snap->oui[0] = oui[0];
1116 snap->oui[1] = oui[1];
1117 snap->oui[2] = oui[2];
1118
1119 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
1120
1121
1122 return SNAP_SIZE + sizeof(u16);
1123}
1124
1125void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
1126{
1127 uint protection, erp_len;
1128 u8 *perp;
1129 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1130 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1131
1132
1133 switch (pxmitpriv->vcs_setting) {
1134 case DISABLE_VCS:
1135 pxmitpriv->vcs = NONE_VCS;
1136 break;
1137 case ENABLE_VCS:
1138 break;
1139 case AUTO_VCS:
1140 default:
1141 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
1142 if (!perp) {
1143 pxmitpriv->vcs = NONE_VCS;
1144 } else {
1145 protection = (*(perp + 2)) & BIT(1);
1146 if (protection) {
1147 if (pregistrypriv->vcs_type == RTS_CTS)
1148 pxmitpriv->vcs = RTS_CTS;
1149 else
1150 pxmitpriv->vcs = CTS_TO_SELF;
1151 } else {
1152 pxmitpriv->vcs = NONE_VCS;
1153 }
1154 }
1155 break;
1156 }
1157
1158}
1159
1160void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1161{
1162 struct sta_info *psta = NULL;
1163 struct stainfo_stats *pstats = NULL;
1164 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1165 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1166
1167 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1168 pxmitpriv->tx_bytes += sz;
1169 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
1170
1171 psta = pxmitframe->attrib.psta;
1172 if (psta) {
1173 pstats = &psta->sta_stats;
1174 pstats->tx_pkts += pxmitframe->agg_num;
1175 pstats->tx_bytes += sz;
1176 }
1177 }
1178}
1179
1180struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
1181{
1182 unsigned long irql;
1183 struct xmit_buf *pxmitbuf;
1184 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1185
1186 spin_lock_irqsave(&pfree_queue->lock, irql);
1187 pxmitbuf = list_first_entry_or_null(&pfree_queue->queue,
1188 struct xmit_buf, list);
1189 if (pxmitbuf) {
1190 list_del_init(&pxmitbuf->list);
1191 pxmitpriv->free_xmit_extbuf_cnt--;
1192 pxmitbuf->priv_data = NULL;
1193
1194 if (pxmitbuf->sctx) {
1195 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1196 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1197 }
1198 }
1199 spin_unlock_irqrestore(&pfree_queue->lock, irql);
1200
1201 return pxmitbuf;
1202}
1203
1204s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1205{
1206 unsigned long irql;
1207 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1208
1209
1210 if (!pxmitbuf)
1211 return _FAIL;
1212
1213 spin_lock_irqsave(&pfree_queue->lock, irql);
1214
1215 list_del_init(&pxmitbuf->list);
1216
1217 list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue));
1218 pxmitpriv->free_xmit_extbuf_cnt++;
1219
1220 spin_unlock_irqrestore(&pfree_queue->lock, irql);
1221
1222
1223 return _SUCCESS;
1224}
1225
1226struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
1227{
1228 unsigned long irql;
1229 struct xmit_buf *pxmitbuf;
1230 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1231
1232
1233
1234 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
1235 pxmitbuf = list_first_entry_or_null(&pfree_xmitbuf_queue->queue,
1236 struct xmit_buf, list);
1237 if (pxmitbuf) {
1238 list_del_init(&pxmitbuf->list);
1239 pxmitpriv->free_xmitbuf_cnt--;
1240 pxmitbuf->priv_data = NULL;
1241 if (pxmitbuf->sctx) {
1242 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1243 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1244 }
1245 }
1246 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
1247
1248 return pxmitbuf;
1249}
1250
1251s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1252{
1253 unsigned long irql;
1254 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1255
1256 if (!pxmitbuf)
1257 return _FAIL;
1258
1259 if (pxmitbuf->sctx) {
1260 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1261 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1262 }
1263
1264 if (pxmitbuf->ext_tag) {
1265 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
1266 } else {
1267 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
1268
1269 list_del_init(&pxmitbuf->list);
1270
1271 list_add_tail(&pxmitbuf->list, get_list_head(pfree_xmitbuf_queue));
1272
1273 pxmitpriv->free_xmitbuf_cnt++;
1274 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
1275 }
1276
1277
1278 return _SUCCESS;
1279}
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1294
1295{
1296
1297
1298
1299
1300
1301 struct xmit_frame *pxframe;
1302 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1303
1304 spin_lock_bh(&pfree_xmit_queue->lock);
1305 pxframe = list_first_entry_or_null(&pfree_xmit_queue->queue,
1306 struct xmit_frame, list);
1307 if (!pxframe) {
1308 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1309 ("rtw_alloc_xmitframe:%d\n",
1310 pxmitpriv->free_xmitframe_cnt));
1311 } else {
1312 list_del_init(&pxframe->list);
1313
1314
1315 pxmitpriv->free_xmitframe_cnt--;
1316
1317 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1318 ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n",
1319 pxmitpriv->free_xmitframe_cnt));
1320
1321 pxframe->buf_addr = NULL;
1322 pxframe->pxmitbuf = NULL;
1323
1324 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1325
1326
1327 pxframe->frame_tag = DATA_FRAMETAG;
1328
1329 pxframe->pkt = NULL;
1330 pxframe->pkt_offset = 1;
1331
1332 pxframe->agg_num = 1;
1333 pxframe->ack_report = 0;
1334 }
1335 spin_unlock_bh(&pfree_xmit_queue->lock);
1336
1337 return pxframe;
1338}
1339
1340s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1341{
1342 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1343 struct adapter *padapter = pxmitpriv->adapter;
1344 struct sk_buff *pndis_pkt = NULL;
1345
1346
1347 if (!pxmitframe) {
1348 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== %s:pxmitframe == NULL!!!!!!!!!!\n", __func__));
1349 goto exit;
1350 }
1351
1352 spin_lock_bh(&pfree_xmit_queue->lock);
1353
1354 list_del_init(&pxmitframe->list);
1355
1356 if (pxmitframe->pkt) {
1357 pndis_pkt = pxmitframe->pkt;
1358 pxmitframe->pkt = NULL;
1359 }
1360
1361 list_add_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
1362
1363 pxmitpriv->free_xmitframe_cnt++;
1364 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("%s:free_xmitframe_cnt=%d\n", __func__, pxmitpriv->free_xmitframe_cnt));
1365
1366 spin_unlock_bh(&pfree_xmit_queue->lock);
1367
1368 if (pndis_pkt)
1369 rtw_os_pkt_complete(padapter, pndis_pkt);
1370
1371exit:
1372
1373
1374 return _SUCCESS;
1375}
1376
1377void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
1378{
1379 struct list_head *plist, *phead;
1380 struct xmit_frame *pxmitframe;
1381
1382
1383 spin_lock_bh(&pframequeue->lock);
1384
1385 phead = get_list_head(pframequeue);
1386 plist = phead->next;
1387
1388 while (phead != plist) {
1389 pxmitframe = container_of(plist, struct xmit_frame, list);
1390
1391 plist = plist->next;
1392
1393 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1394 }
1395 spin_unlock_bh(&pframequeue->lock);
1396
1397}
1398
1399s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
1400{
1401 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
1402 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1403 ("%s: drop xmit pkt for classifier fail\n", __func__));
1404
1405 return _FAIL;
1406 }
1407
1408 return _SUCCESS;
1409}
1410
1411static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
1412{
1413 struct list_head *xmitframe_plist, *xmitframe_phead;
1414 struct xmit_frame *pxmitframe = NULL;
1415
1416 xmitframe_phead = get_list_head(pframe_queue);
1417 xmitframe_plist = xmitframe_phead->next;
1418
1419 if (xmitframe_phead != xmitframe_plist) {
1420 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1421
1422 xmitframe_plist = xmitframe_plist->next;
1423
1424 list_del_init(&pxmitframe->list);
1425
1426 ptxservq->qcnt--;
1427 }
1428 return pxmitframe;
1429}
1430
1431struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
1432{
1433 struct list_head *sta_plist, *sta_phead;
1434 struct hw_xmit *phwxmit;
1435 struct tx_servq *ptxservq = NULL;
1436 struct __queue *pframe_queue = NULL;
1437 struct xmit_frame *pxmitframe = NULL;
1438 struct adapter *padapter = pxmitpriv->adapter;
1439 struct registry_priv *pregpriv = &padapter->registrypriv;
1440 int i, inx[4];
1441
1442
1443 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
1444
1445 if (pregpriv->wifi_spec == 1) {
1446 int j;
1447
1448 for (j = 0; j < 4; j++)
1449 inx[j] = pxmitpriv->wmm_para_seq[j];
1450 }
1451
1452 spin_lock_bh(&pxmitpriv->lock);
1453
1454 for (i = 0; i < entry; i++) {
1455 phwxmit = phwxmit_i + inx[i];
1456
1457 sta_phead = get_list_head(phwxmit->sta_queue);
1458 sta_plist = sta_phead->next;
1459
1460 while (sta_phead != sta_plist) {
1461 ptxservq = container_of(sta_plist, struct tx_servq, tx_pending);
1462
1463 pframe_queue = &ptxservq->sta_pending;
1464
1465 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1466
1467 if (pxmitframe) {
1468 phwxmit->accnt--;
1469
1470
1471 if (list_empty(&pframe_queue->queue))
1472 list_del_init(&ptxservq->tx_pending);
1473 goto exit;
1474 }
1475
1476 sta_plist = sta_plist->next;
1477 }
1478 }
1479exit:
1480 spin_unlock_bh(&pxmitpriv->lock);
1481 return pxmitframe;
1482}
1483
1484struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1485{
1486 struct tx_servq *ptxservq;
1487
1488 switch (up) {
1489 case 1:
1490 case 2:
1491 ptxservq = &psta->sta_xmitpriv.bk_q;
1492 *(ac) = 3;
1493 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("%s : BK\n", __func__));
1494 break;
1495 case 4:
1496 case 5:
1497 ptxservq = &psta->sta_xmitpriv.vi_q;
1498 *(ac) = 1;
1499 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("%s : VI\n", __func__));
1500 break;
1501 case 6:
1502 case 7:
1503 ptxservq = &psta->sta_xmitpriv.vo_q;
1504 *(ac) = 0;
1505 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("%s : VO\n", __func__));
1506 break;
1507 case 0:
1508 case 3:
1509 default:
1510 ptxservq = &psta->sta_xmitpriv.be_q;
1511 *(ac) = 2;
1512 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("%s : BE\n", __func__));
1513 break;
1514 }
1515
1516
1517 return ptxservq;
1518}
1519
1520
1521
1522
1523
1524s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
1525{
1526 u8 ac_index;
1527 struct sta_info *psta;
1528 struct tx_servq *ptxservq;
1529 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1530 struct sta_priv *pstapriv = &padapter->stapriv;
1531 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1532 int res = _SUCCESS;
1533
1534
1535 if (pattrib->psta)
1536 psta = pattrib->psta;
1537 else
1538 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1539
1540 if (!psta) {
1541 res = _FAIL;
1542 DBG_88E("%s: psta == NULL\n", __func__);
1543 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: psta == NULL\n", __func__));
1544 goto exit;
1545 }
1546
1547 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
1548
1549 if (list_empty(&ptxservq->tx_pending))
1550 list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
1551
1552 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1553 ptxservq->qcnt++;
1554 phwxmits[ac_index].accnt++;
1555exit:
1556
1557
1558 return res;
1559}
1560
1561void rtw_alloc_hwxmits(struct adapter *padapter)
1562{
1563 struct hw_xmit *hwxmits;
1564 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1565
1566 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1567
1568 pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry,
1569 sizeof(struct hw_xmit), GFP_KERNEL);
1570
1571 hwxmits = pxmitpriv->hwxmits;
1572
1573 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1574 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1575 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1576 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1577}
1578
1579void rtw_free_hwxmits(struct adapter *padapter)
1580{
1581 struct hw_xmit *hwxmits;
1582 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1583
1584 hwxmits = pxmitpriv->hwxmits;
1585 kfree(hwxmits);
1586}
1587
1588void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
1589{
1590 int i;
1591
1592 for (i = 0; i < entry; i++, phwxmit++)
1593 phwxmit->accnt = 0;
1594}
1595
1596u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
1597{
1598 u32 addr;
1599 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1600
1601 switch (pattrib->qsel) {
1602 case 0:
1603 case 3:
1604 addr = BE_QUEUE_INX;
1605 break;
1606 case 1:
1607 case 2:
1608 addr = BK_QUEUE_INX;
1609 break;
1610 case 4:
1611 case 5:
1612 addr = VI_QUEUE_INX;
1613 break;
1614 case 6:
1615 case 7:
1616 addr = VO_QUEUE_INX;
1617 break;
1618 case 0x10:
1619 addr = BCN_QUEUE_INX;
1620 break;
1621 case 0x11:
1622 addr = HIGH_QUEUE_INX;
1623 break;
1624 case 0x12:
1625 default:
1626 addr = MGT_QUEUE_INX;
1627 break;
1628 }
1629
1630 return addr;
1631}
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
1642{
1643 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1644 struct xmit_frame *pxmitframe = NULL;
1645 s32 res;
1646
1647 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1648 if (!pxmitframe) {
1649 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("%s: no more pxmitframe\n", __func__));
1650 DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
1651 return -1;
1652 }
1653
1654 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
1655
1656 if (res == _FAIL) {
1657 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("%s: update attrib fail\n", __func__));
1658 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1659 return -1;
1660 }
1661 pxmitframe->pkt = *ppkt;
1662
1663 LedControl8188eu(padapter, LED_CTL_TX);
1664
1665 pxmitframe->attrib.qsel = pxmitframe->attrib.priority;
1666
1667#ifdef CONFIG_88EU_AP_MODE
1668 spin_lock_bh(&pxmitpriv->lock);
1669 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
1670 spin_unlock_bh(&pxmitpriv->lock);
1671 return 1;
1672 }
1673 spin_unlock_bh(&pxmitpriv->lock);
1674#endif
1675
1676 if (rtw_hal_xmit(padapter, pxmitframe) == false)
1677 return 1;
1678
1679 return 0;
1680}
1681
1682#if defined(CONFIG_88EU_AP_MODE)
1683
1684int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
1685{
1686 int ret = false;
1687 struct sta_info *psta = NULL;
1688 struct sta_priv *pstapriv = &padapter->stapriv;
1689 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1690 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1691 int bmcst = IS_MCAST(pattrib->ra);
1692
1693 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
1694 return ret;
1695
1696 if (pattrib->psta)
1697 psta = pattrib->psta;
1698 else
1699 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1700
1701 if (!psta)
1702 return ret;
1703
1704 if (pattrib->triggered == 1) {
1705 if (bmcst)
1706 pattrib->qsel = 0x11;
1707 return ret;
1708 }
1709
1710 if (bmcst) {
1711 spin_lock_bh(&psta->sleep_q.lock);
1712
1713 if (pstapriv->sta_dz_bitmap) {
1714 list_del_init(&pxmitframe->list);
1715
1716 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1717
1718 psta->sleepq_len++;
1719
1720 pstapriv->tim_bitmap |= BIT(0);
1721 pstapriv->sta_dz_bitmap |= BIT(0);
1722
1723 update_beacon(padapter, _TIM_IE_, NULL, false);
1724
1725 ret = true;
1726 }
1727
1728 spin_unlock_bh(&psta->sleep_q.lock);
1729
1730 return ret;
1731 }
1732
1733 spin_lock_bh(&psta->sleep_q.lock);
1734
1735 if (psta->state&WIFI_SLEEP_STATE) {
1736 u8 wmmps_ac = 0;
1737
1738 if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
1739 list_del_init(&pxmitframe->list);
1740
1741 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1742
1743 psta->sleepq_len++;
1744
1745 switch (pattrib->priority) {
1746 case 1:
1747 case 2:
1748 wmmps_ac = psta->uapsd_bk & BIT(0);
1749 break;
1750 case 4:
1751 case 5:
1752 wmmps_ac = psta->uapsd_vi & BIT(0);
1753 break;
1754 case 6:
1755 case 7:
1756 wmmps_ac = psta->uapsd_vo & BIT(0);
1757 break;
1758 case 0:
1759 case 3:
1760 default:
1761 wmmps_ac = psta->uapsd_be & BIT(0);
1762 break;
1763 }
1764
1765 if (wmmps_ac)
1766 psta->sleepq_ac_len++;
1767
1768 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
1769 ((!psta->has_legacy_ac) && (wmmps_ac))) {
1770 pstapriv->tim_bitmap |= BIT(psta->aid);
1771
1772 if (psta->sleepq_len == 1) {
1773
1774 update_beacon(padapter, _TIM_IE_, NULL, false);
1775 }
1776 }
1777 ret = true;
1778 }
1779 }
1780
1781 spin_unlock_bh(&psta->sleep_q.lock);
1782
1783 return ret;
1784}
1785
1786static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
1787{
1788 struct list_head *plist, *phead;
1789 u8 ac_index;
1790 struct tx_servq *ptxservq;
1791 struct pkt_attrib *pattrib;
1792 struct xmit_frame *pxmitframe;
1793 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1794
1795 phead = get_list_head(pframequeue);
1796 plist = phead->next;
1797
1798 while (phead != plist) {
1799 pxmitframe = container_of(plist, struct xmit_frame, list);
1800
1801 plist = plist->next;
1802
1803 xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
1804
1805 pattrib = &pxmitframe->attrib;
1806
1807 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
1808
1809 ptxservq->qcnt--;
1810 phwxmits[ac_index].accnt--;
1811 }
1812}
1813
1814void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
1815{
1816 struct sta_info *psta_bmc;
1817 struct sta_xmit_priv *pstaxmitpriv;
1818 struct sta_priv *pstapriv = &padapter->stapriv;
1819 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1820
1821 pstaxmitpriv = &psta->sta_xmitpriv;
1822
1823
1824 psta_bmc = rtw_get_bcmc_stainfo(padapter);
1825
1826 spin_lock_bh(&pxmitpriv->lock);
1827
1828 psta->state |= WIFI_SLEEP_STATE;
1829
1830 pstapriv->sta_dz_bitmap |= BIT(psta->aid);
1831
1832 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
1833 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
1834
1835 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
1836 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
1837
1838 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
1839 list_del_init(&pstaxmitpriv->be_q.tx_pending);
1840
1841 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
1842 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
1843
1844
1845 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
1846 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
1847 list_del_init(&pstaxmitpriv->be_q.tx_pending);
1848
1849 spin_unlock_bh(&pxmitpriv->lock);
1850}
1851
1852void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
1853{
1854 u8 update_mask = 0, wmmps_ac = 0;
1855 struct sta_info *psta_bmc;
1856 struct list_head *xmitframe_plist, *xmitframe_phead;
1857 struct xmit_frame *pxmitframe = NULL;
1858 struct sta_priv *pstapriv = &padapter->stapriv;
1859
1860 spin_lock_bh(&psta->sleep_q.lock);
1861
1862 xmitframe_phead = get_list_head(&psta->sleep_q);
1863 xmitframe_plist = xmitframe_phead->next;
1864
1865 while (xmitframe_phead != xmitframe_plist) {
1866 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1867
1868 xmitframe_plist = xmitframe_plist->next;
1869
1870 list_del_init(&pxmitframe->list);
1871
1872 switch (pxmitframe->attrib.priority) {
1873 case 1:
1874 case 2:
1875 wmmps_ac = psta->uapsd_bk & BIT(1);
1876 break;
1877 case 4:
1878 case 5:
1879 wmmps_ac = psta->uapsd_vi & BIT(1);
1880 break;
1881 case 6:
1882 case 7:
1883 wmmps_ac = psta->uapsd_vo & BIT(1);
1884 break;
1885 case 0:
1886 case 3:
1887 default:
1888 wmmps_ac = psta->uapsd_be & BIT(1);
1889 break;
1890 }
1891
1892 psta->sleepq_len--;
1893 if (psta->sleepq_len > 0)
1894 pxmitframe->attrib.mdata = 1;
1895 else
1896 pxmitframe->attrib.mdata = 0;
1897
1898 if (wmmps_ac) {
1899 psta->sleepq_ac_len--;
1900 if (psta->sleepq_ac_len > 0) {
1901 pxmitframe->attrib.mdata = 1;
1902 pxmitframe->attrib.eosp = 0;
1903 } else {
1904 pxmitframe->attrib.mdata = 0;
1905 pxmitframe->attrib.eosp = 1;
1906 }
1907 }
1908
1909 pxmitframe->attrib.triggered = 1;
1910
1911 spin_unlock_bh(&psta->sleep_q.lock);
1912 if (rtw_hal_xmit(padapter, pxmitframe))
1913 rtw_os_xmit_complete(padapter, pxmitframe);
1914 spin_lock_bh(&psta->sleep_q.lock);
1915 }
1916
1917 if (psta->sleepq_len == 0) {
1918 pstapriv->tim_bitmap &= ~BIT(psta->aid);
1919
1920 update_mask = BIT(0);
1921
1922 if (psta->state&WIFI_SLEEP_STATE)
1923 psta->state ^= WIFI_SLEEP_STATE;
1924
1925 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
1926 psta->expire_to = pstapriv->expire_to;
1927 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
1928 }
1929
1930 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
1931 }
1932
1933 spin_unlock_bh(&psta->sleep_q.lock);
1934
1935
1936 psta_bmc = rtw_get_bcmc_stainfo(padapter);
1937 if (!psta_bmc)
1938 return;
1939
1940 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
1941 spin_lock_bh(&psta_bmc->sleep_q.lock);
1942
1943 xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
1944 xmitframe_plist = xmitframe_phead->next;
1945
1946 while (xmitframe_phead != xmitframe_plist) {
1947 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1948
1949 xmitframe_plist = xmitframe_plist->next;
1950
1951 list_del_init(&pxmitframe->list);
1952
1953 psta_bmc->sleepq_len--;
1954 if (psta_bmc->sleepq_len > 0)
1955 pxmitframe->attrib.mdata = 1;
1956 else
1957 pxmitframe->attrib.mdata = 0;
1958
1959 pxmitframe->attrib.triggered = 1;
1960
1961 spin_unlock_bh(&psta_bmc->sleep_q.lock);
1962 if (rtw_hal_xmit(padapter, pxmitframe))
1963 rtw_os_xmit_complete(padapter, pxmitframe);
1964 spin_lock_bh(&psta_bmc->sleep_q.lock);
1965 }
1966
1967 if (psta_bmc->sleepq_len == 0) {
1968 pstapriv->tim_bitmap &= ~BIT(0);
1969 pstapriv->sta_dz_bitmap &= ~BIT(0);
1970
1971 update_mask |= BIT(1);
1972 }
1973
1974 spin_unlock_bh(&psta_bmc->sleep_q.lock);
1975 }
1976
1977 if (update_mask)
1978 update_beacon(padapter, _TIM_IE_, NULL, false);
1979}
1980
1981void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
1982{
1983 u8 wmmps_ac = 0;
1984 struct list_head *xmitframe_plist, *xmitframe_phead;
1985 struct xmit_frame *pxmitframe = NULL;
1986 struct sta_priv *pstapriv = &padapter->stapriv;
1987
1988 spin_lock_bh(&psta->sleep_q.lock);
1989
1990 xmitframe_phead = get_list_head(&psta->sleep_q);
1991 xmitframe_plist = xmitframe_phead->next;
1992
1993 while (xmitframe_phead != xmitframe_plist) {
1994 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
1995
1996 xmitframe_plist = xmitframe_plist->next;
1997
1998 switch (pxmitframe->attrib.priority) {
1999 case 1:
2000 case 2:
2001 wmmps_ac = psta->uapsd_bk & BIT(1);
2002 break;
2003 case 4:
2004 case 5:
2005 wmmps_ac = psta->uapsd_vi & BIT(1);
2006 break;
2007 case 6:
2008 case 7:
2009 wmmps_ac = psta->uapsd_vo & BIT(1);
2010 break;
2011 case 0:
2012 case 3:
2013 default:
2014 wmmps_ac = psta->uapsd_be & BIT(1);
2015 break;
2016 }
2017
2018 if (!wmmps_ac)
2019 continue;
2020
2021 list_del_init(&pxmitframe->list);
2022
2023 psta->sleepq_len--;
2024 psta->sleepq_ac_len--;
2025
2026 if (psta->sleepq_ac_len > 0) {
2027 pxmitframe->attrib.mdata = 1;
2028 pxmitframe->attrib.eosp = 0;
2029 } else {
2030 pxmitframe->attrib.mdata = 0;
2031 pxmitframe->attrib.eosp = 1;
2032 }
2033
2034 pxmitframe->attrib.triggered = 1;
2035
2036 if (rtw_hal_xmit(padapter, pxmitframe) == true)
2037 rtw_os_xmit_complete(padapter, pxmitframe);
2038
2039 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
2040 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2041
2042
2043 update_beacon(padapter, _TIM_IE_, NULL, false);
2044 }
2045 }
2046
2047 spin_unlock_bh(&psta->sleep_q.lock);
2048}
2049
2050#endif
2051
2052void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
2053{
2054 sctx->timeout_ms = timeout_ms;
2055 sctx->submit_time = jiffies;
2056 init_completion(&sctx->done);
2057 sctx->status = RTW_SCTX_SUBMITTED;
2058}
2059
2060int rtw_sctx_wait(struct submit_ctx *sctx)
2061{
2062 int ret = _FAIL;
2063 unsigned long expire;
2064 int status = 0;
2065
2066 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
2067 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2068
2069 status = RTW_SCTX_DONE_TIMEOUT;
2070 DBG_88E("%s timeout\n", __func__);
2071 } else {
2072 status = sctx->status;
2073 }
2074
2075 if (status == RTW_SCTX_DONE_SUCCESS)
2076 ret = _SUCCESS;
2077
2078 return ret;
2079}
2080
2081static bool rtw_sctx_chk_waring_status(int status)
2082{
2083 switch (status) {
2084 case RTW_SCTX_DONE_UNKNOWN:
2085 case RTW_SCTX_DONE_BUF_ALLOC:
2086 case RTW_SCTX_DONE_BUF_FREE:
2087
2088 case RTW_SCTX_DONE_DRV_STOP:
2089 case RTW_SCTX_DONE_DEV_REMOVE:
2090 return true;
2091 default:
2092 return false;
2093 }
2094}
2095
2096void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
2097{
2098 if (*sctx) {
2099 if (rtw_sctx_chk_waring_status(status))
2100 DBG_88E("%s status:%d\n", __func__, status);
2101 (*sctx)->status = status;
2102 complete(&((*sctx)->done));
2103 *sctx = NULL;
2104 }
2105}
2106
2107int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2108{
2109 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2110
2111 pack_tx_ops->submit_time = jiffies;
2112 pack_tx_ops->timeout_ms = timeout_ms;
2113 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2114
2115 return rtw_sctx_wait(pack_tx_ops);
2116}
2117
2118void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
2119{
2120 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2121
2122 if (pxmitpriv->ack_tx)
2123 rtw_sctx_done_err(&pack_tx_ops, status);
2124 else
2125 DBG_88E("%s ack_tx not set\n", __func__);
2126}
2127