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Merge remote-tracking branch 'usb-chipidea-next/ci-for-usb-next'
[deliverable/linux.git] / drivers / staging / rtl8723au / core / rtw_xmit.c
1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 ******************************************************************************/
15 #define _RTW_XMIT_C_
16
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <wifi.h>
20 #include <osdep_intf.h>
21 #include <linux/ip.h>
22 #include <usb_ops.h>
23 #include <rtl8723a_xmit.h>
24
25 static void _init_txservq(struct tx_servq *ptxservq)
26 {
27
28 INIT_LIST_HEAD(&ptxservq->tx_pending);
29 _rtw_init_queue23a(&ptxservq->sta_pending);
30 ptxservq->qcnt = 0;
31
32 }
33
34 void _rtw_init_sta_xmit_priv23a(struct sta_xmit_priv *psta_xmitpriv)
35 {
36
37 spin_lock_init(&psta_xmitpriv->lock);
38
39 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */
40 /* _init_txservq(&psta_xmitpriv->blk_q[i]); */
41
42 _init_txservq(&psta_xmitpriv->be_q);
43 _init_txservq(&psta_xmitpriv->bk_q);
44 _init_txservq(&psta_xmitpriv->vi_q);
45 _init_txservq(&psta_xmitpriv->vo_q);
46 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
47 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
48
49 }
50
51 int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv,
52 struct rtw_adapter *padapter)
53 {
54 int i;
55 struct xmit_buf *pxmitbuf;
56 struct xmit_frame *pxframe;
57 int res = _SUCCESS;
58 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
59 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
60
61 spin_lock_init(&pxmitpriv->lock);
62 spin_lock_init(&pxmitpriv->lock_sctx);
63 sema_init(&pxmitpriv->xmit_sema, 0);
64 sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
65
66 pxmitpriv->adapter = padapter;
67
68 _rtw_init_queue23a(&pxmitpriv->be_pending);
69 _rtw_init_queue23a(&pxmitpriv->bk_pending);
70 _rtw_init_queue23a(&pxmitpriv->vi_pending);
71 _rtw_init_queue23a(&pxmitpriv->vo_pending);
72 _rtw_init_queue23a(&pxmitpriv->bm_pending);
73
74 _rtw_init_queue23a(&pxmitpriv->free_xmit_queue);
75
76 for (i = 0; i < NR_XMITFRAME; i++) {
77 pxframe = kzalloc(sizeof(struct xmit_frame), GFP_KERNEL);
78 if (!pxframe)
79 break;
80 INIT_LIST_HEAD(&pxframe->list);
81
82 pxframe->padapter = padapter;
83 pxframe->frame_tag = NULL_FRAMETAG;
84
85 list_add_tail(&pxframe->list,
86 &pxmitpriv->free_xmit_queue.queue);
87 }
88
89 pxmitpriv->free_xmitframe_cnt = i;
90
91 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
92
93 /* init xmit_buf */
94 _rtw_init_queue23a(&pxmitpriv->free_xmitbuf_queue);
95 INIT_LIST_HEAD(&pxmitpriv->xmitbuf_list);
96 _rtw_init_queue23a(&pxmitpriv->pending_xmitbuf_queue);
97
98 for (i = 0; i < NR_XMITBUFF; i++) {
99 pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
100 if (!pxmitbuf)
101 goto fail;
102 INIT_LIST_HEAD(&pxmitbuf->list);
103 INIT_LIST_HEAD(&pxmitbuf->list2);
104
105 pxmitbuf->padapter = padapter;
106
107 /* Tx buf allocation may fail sometimes, so sleep and retry. */
108 res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
109 (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
110 if (res == _FAIL) {
111 goto fail;
112 }
113
114 list_add_tail(&pxmitbuf->list,
115 &pxmitpriv->free_xmitbuf_queue.queue);
116 list_add_tail(&pxmitbuf->list2,
117 &pxmitpriv->xmitbuf_list);
118 }
119
120 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
121
122 /* init xframe_ext queue, the same count as extbuf */
123 _rtw_init_queue23a(&pxmitpriv->free_xframe_ext_queue);
124
125 for (i = 0; i < num_xmit_extbuf; i++) {
126 pxframe = kzalloc(sizeof(struct xmit_frame), GFP_KERNEL);
127 if (!pxframe)
128 break;
129 INIT_LIST_HEAD(&pxframe->list);
130
131 pxframe->padapter = padapter;
132 pxframe->frame_tag = NULL_FRAMETAG;
133
134 pxframe->pkt = NULL;
135
136 pxframe->buf_addr = NULL;
137 pxframe->pxmitbuf = NULL;
138
139 pxframe->ext_tag = 1;
140
141 list_add_tail(&pxframe->list,
142 &pxmitpriv->free_xframe_ext_queue.queue);
143 }
144 pxmitpriv->free_xframe_ext_cnt = i;
145
146 /* Init xmit extension buff */
147 _rtw_init_queue23a(&pxmitpriv->free_xmit_extbuf_queue);
148 INIT_LIST_HEAD(&pxmitpriv->xmitextbuf_list);
149
150 for (i = 0; i < num_xmit_extbuf; i++) {
151 pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
152 if (!pxmitbuf)
153 goto fail;
154 INIT_LIST_HEAD(&pxmitbuf->list);
155 INIT_LIST_HEAD(&pxmitbuf->list2);
156
157 pxmitbuf->padapter = padapter;
158
159 /* Tx buf allocation may fail sometimes, so sleep and retry. */
160 res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
161 max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
162 if (res == _FAIL) {
163 goto exit;
164 }
165
166 list_add_tail(&pxmitbuf->list,
167 &pxmitpriv->free_xmit_extbuf_queue.queue);
168 list_add_tail(&pxmitbuf->list2,
169 &pxmitpriv->xmitextbuf_list);
170 }
171
172 pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
173
174 rtw_alloc_hwxmits23a(padapter);
175 rtw_init_hwxmits23a(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
176
177 for (i = 0; i < 4; i ++)
178 pxmitpriv->wmm_para_seq[i] = i;
179
180 sema_init(&pxmitpriv->tx_retevt, 0);
181
182 pxmitpriv->ack_tx = false;
183 mutex_init(&pxmitpriv->ack_tx_mutex);
184 rtw_sctx_init23a(&pxmitpriv->ack_tx_ops, 0);
185 tasklet_init(&padapter->xmitpriv.xmit_tasklet,
186 (void(*)(unsigned long))rtl8723au_xmit_tasklet,
187 (unsigned long)padapter);
188
189 exit:
190
191 return res;
192 fail:
193 goto exit;
194 }
195
196 void _rtw_free_xmit_priv23a(struct xmit_priv *pxmitpriv)
197 {
198 struct rtw_adapter *padapter = pxmitpriv->adapter;
199 struct xmit_frame *pxframe, *ptmp;
200 struct xmit_buf *pxmitbuf, *ptmp2;
201
202 list_for_each_entry_safe(pxframe, ptmp,
203 &pxmitpriv->free_xmit_queue.queue, list) {
204 list_del_init(&pxframe->list);
205 rtw_os_xmit_complete23a(padapter, pxframe);
206 kfree(pxframe);
207 }
208
209 list_for_each_entry_safe(pxmitbuf, ptmp2,
210 &pxmitpriv->xmitbuf_list, list2) {
211 list_del_init(&pxmitbuf->list2);
212 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
213 kfree(pxmitbuf);
214 }
215
216 /* free xframe_ext queue, the same count as extbuf */
217 list_for_each_entry_safe(pxframe, ptmp,
218 &pxmitpriv->free_xframe_ext_queue.queue,
219 list) {
220 list_del_init(&pxframe->list);
221 rtw_os_xmit_complete23a(padapter, pxframe);
222 kfree(pxframe);
223 }
224
225 /* free xmit extension buff */
226 list_for_each_entry_safe(pxmitbuf, ptmp2,
227 &pxmitpriv->xmitextbuf_list, list2) {
228 list_del_init(&pxmitbuf->list2);
229 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
230 kfree(pxmitbuf);
231 }
232
233 rtw_free_hwxmits23a(padapter);
234 mutex_destroy(&pxmitpriv->ack_tx_mutex);
235 }
236
237 static void update_attrib_vcs_info(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
238 {
239 u32 sz;
240 struct pkt_attrib *pattrib = &pxmitframe->attrib;
241 struct sta_info *psta = pattrib->psta;
242 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
243 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
244
245 if (pattrib->psta) {
246 psta = pattrib->psta;
247 } else {
248 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
249 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
250 }
251
252 if (psta == NULL) {
253 DBG_8723A("%s, psta == NUL\n", __func__);
254 return;
255 }
256
257 if (!(psta->state &_FW_LINKED)) {
258 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
259 return;
260 }
261
262 if (pattrib->nr_frags != 1)
263 sz = padapter->xmitpriv.frag_len;
264 else /* no frag */
265 sz = pattrib->last_txcmdsz;
266
267 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
268 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
269 /* Other fragments are protected by previous fragment. */
270 /* So we only need to check the length of first fragment. */
271 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
272 if (sz > padapter->registrypriv.rts_thresh) {
273 pattrib->vcs_mode = RTS_CTS;
274 } else {
275 if (psta->rtsen)
276 pattrib->vcs_mode = RTS_CTS;
277 else if (psta->cts2self)
278 pattrib->vcs_mode = CTS_TO_SELF;
279 else
280 pattrib->vcs_mode = NONE_VCS;
281 }
282 } else {
283 while (true) {
284 /* IOT action */
285 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS &&
286 pattrib->ampdu_en &&
287 padapter->securitypriv.dot11PrivacyAlgrthm ==
288 WLAN_CIPHER_SUITE_CCMP) {
289 pattrib->vcs_mode = CTS_TO_SELF;
290 break;
291 }
292
293 /* check ERP protection */
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 /* check HT op mode */
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 /* check rts */
315 if (sz > padapter->registrypriv.rts_thresh) {
316 pattrib->vcs_mode = RTS_CTS;
317 break;
318 }
319
320 /* to do list: check MIMO power save condition. */
321
322 /* check AMPDU aggregation for TXOP */
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
334 static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
335 {
336 /*if (psta->rtsen)
337 pattrib->vcs_mode = RTS_CTS;
338 else if (psta->cts2self)
339 pattrib->vcs_mode = CTS_TO_SELF;
340 else
341 pattrib->vcs_mode = NONE_VCS;*/
342
343 pattrib->mdata = 0;
344 pattrib->eosp = 0;
345 pattrib->triggered = 0;
346
347 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
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
357 pattrib->retry_ctrl = false;
358 }
359
360 u8 qos_acm23a(u8 acm_mask, u8 priority)
361 {
362 u8 change_priority = priority;
363
364 switch (priority) {
365 case 0:
366 case 3:
367 if (acm_mask & BIT(1))
368 change_priority = 1;
369 break;
370 case 1:
371 case 2:
372 break;
373 case 4:
374 case 5:
375 if (acm_mask & BIT(2))
376 change_priority = 0;
377 break;
378 case 6:
379 case 7:
380 if (acm_mask & BIT(3))
381 change_priority = 5;
382 break;
383 default:
384 DBG_8723A("qos_acm23a(): invalid pattrib->priority: %d!!!\n",
385 priority);
386 change_priority = 0;
387 break;
388 }
389
390 return change_priority;
391 }
392
393 static void set_qos(struct sk_buff *skb, struct pkt_attrib *pattrib)
394 {
395 u8 *pframe = skb->data;
396 struct iphdr *ip_hdr;
397 u8 UserPriority = 0;
398
399 /* get UserPriority from IP hdr */
400 if (pattrib->ether_type == ETH_P_IP) {
401 ip_hdr = (struct iphdr *)(pframe + ETH_HLEN);
402 UserPriority = ip_hdr->tos >> 5;
403 } else if (pattrib->ether_type == ETH_P_PAE) {
404 /* "When priority processing of data frames is supported, */
405 /* a STA's SME should send EAPOL-Key frames at the highest
406 priority." */
407 UserPriority = 7;
408 }
409
410 pattrib->priority = UserPriority;
411 pattrib->hdrlen = sizeof(struct ieee80211_qos_hdr);
412 pattrib->type = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA;
413 }
414
415 static int update_attrib(struct rtw_adapter *padapter,
416 struct sk_buff *skb, struct pkt_attrib *pattrib)
417 {
418 struct sta_info *psta = NULL;
419 int bmcast;
420 struct sta_priv *pstapriv = &padapter->stapriv;
421 struct security_priv *psecuritypriv = &padapter->securitypriv;
422 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
423 int res = _SUCCESS;
424 struct ethhdr *ehdr = (struct ethhdr *) skb->data;
425
426 pattrib->ether_type = ntohs(ehdr->h_proto);
427
428 ether_addr_copy(pattrib->dst, ehdr->h_dest);
429 ether_addr_copy(pattrib->src, ehdr->h_source);
430
431 pattrib->pctrl = 0;
432
433 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
434 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
435 ether_addr_copy(pattrib->ra, pattrib->dst);
436 ether_addr_copy(pattrib->ta, pattrib->src);
437 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
438 ether_addr_copy(pattrib->ra, get_bssid(pmlmepriv));
439 ether_addr_copy(pattrib->ta, pattrib->src);
440 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
441 ether_addr_copy(pattrib->ra, pattrib->dst);
442 ether_addr_copy(pattrib->ta, get_bssid(pmlmepriv));
443 }
444
445 pattrib->pktlen = skb->len - ETH_HLEN;
446
447 if (pattrib->ether_type == ETH_P_IP) {
448 /* The following is for DHCP and ARP packet, we use cck1M
449 to tx these packets and let LPS awake some time */
450 /* to prevent DHCP protocol fail */
451 pattrib->dhcp_pkt = 0;
452 /* MINIMUM_DHCP_PACKET_SIZE) { */
453 if (pattrib->pktlen > 282 + 24) {
454 if (pattrib->ether_type == ETH_P_IP) {/* IP header */
455 u8 *pframe = skb->data;
456
457 pframe += ETH_HLEN;
458
459 if ((pframe[21] == 68 && pframe[23] == 67) ||
460 (pframe[21] == 67 && pframe[23] == 68)) {
461 /* 68 : UDP BOOTP client */
462 /* 67 : UDP BOOTP server */
463 RT_TRACE(_module_rtl871x_xmit_c_,
464 _drv_err_,
465 "======================update_attrib: get DHCP Packet\n");
466 pattrib->dhcp_pkt = 1;
467 }
468 }
469 }
470 } else if (pattrib->ether_type == ETH_P_PAE) {
471 DBG_8723A_LEVEL(_drv_always_, "send eapol packet\n");
472 }
473
474 if ((pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
475 rtw_set_scan_deny(padapter, 3000);
476 }
477
478 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
479 if ((pattrib->ether_type == ETH_P_ARP) ||
480 (pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
481 rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
482 }
483
484 bmcast = is_multicast_ether_addr(pattrib->ra);
485
486 /* get sta_info */
487 if (bmcast) {
488 psta = rtw_get_bcmc_stainfo23a(padapter);
489 } else {
490 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
491 if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
492 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
493 "update_attrib => get sta_info fail, ra:%pM\n",
494 pattrib->ra);
495 res = _FAIL;
496 goto exit;
497 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
498 (!(psta->state & _FW_LINKED))) {
499 res = _FAIL;
500 goto exit;
501 }
502 }
503
504 if (psta) {
505 pattrib->mac_id = psta->mac_id;
506 /* DBG_8723A("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
507 pattrib->psta = psta;
508 } else {
509 /* if we cannot get psta => drop the pkt */
510 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
511 "update_attrib => get sta_info fail, ra:%pM\n",
512 pattrib->ra);
513 res = _FAIL;
514 goto exit;
515 }
516
517 pattrib->ack_policy = 0;
518 /* get ether_hdr_len */
519
520 /* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
521 pattrib->pkt_hdrlen = ETH_HLEN;
522
523 pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
524 pattrib->type = IEEE80211_FTYPE_DATA;
525 pattrib->priority = 0;
526
527 if (check_fwstate(pmlmepriv, WIFI_AP_STATE | WIFI_ADHOC_STATE |
528 WIFI_ADHOC_MASTER_STATE)) {
529 if (psta->qos_option)
530 set_qos(skb, pattrib);
531 } else {
532 if (pmlmepriv->qos_option) {
533 set_qos(skb, pattrib);
534
535 if (pmlmepriv->acm_mask != 0) {
536 pattrib->priority = qos_acm23a(pmlmepriv->acm_mask,
537 pattrib->priority);
538 }
539 }
540 }
541
542 if (psta->ieee8021x_blocked == true) {
543 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
544 "psta->ieee8021x_blocked == true\n");
545
546 pattrib->encrypt = 0;
547
548 if ((pattrib->ether_type != ETH_P_PAE) &&
549 !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
550 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
551 "psta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n",
552 pattrib->ether_type);
553 res = _FAIL;
554 goto exit;
555 }
556 } else {
557 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
558
559 switch (psecuritypriv->dot11AuthAlgrthm) {
560 case dot11AuthAlgrthm_Open:
561 case dot11AuthAlgrthm_Shared:
562 case dot11AuthAlgrthm_Auto:
563 pattrib->key_idx =
564 (u8)psecuritypriv->dot11PrivacyKeyIndex;
565 break;
566 case dot11AuthAlgrthm_8021X:
567 if (bmcast)
568 pattrib->key_idx =
569 (u8)psecuritypriv->dot118021XGrpKeyid;
570 else
571 pattrib->key_idx = 0;
572 break;
573 default:
574 pattrib->key_idx = 0;
575 break;
576 }
577
578 }
579
580 switch (pattrib->encrypt) {
581 case WLAN_CIPHER_SUITE_WEP40:
582 case WLAN_CIPHER_SUITE_WEP104:
583 pattrib->iv_len = IEEE80211_WEP_IV_LEN;
584 pattrib->icv_len = IEEE80211_WEP_ICV_LEN;
585 break;
586
587 case WLAN_CIPHER_SUITE_TKIP:
588 pattrib->iv_len = IEEE80211_TKIP_IV_LEN;
589 pattrib->icv_len = IEEE80211_TKIP_ICV_LEN;
590
591 if (!padapter->securitypriv.busetkipkey) {
592 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
593 "padapter->securitypriv.busetkipkey(%d) == false drop packet\n",
594 padapter->securitypriv.busetkipkey);
595 res = _FAIL;
596 goto exit;
597 }
598
599 break;
600 case WLAN_CIPHER_SUITE_CCMP:
601 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
602 "pattrib->encrypt =%d (WLAN_CIPHER_SUITE_CCMP)\n",
603 pattrib->encrypt);
604 pattrib->iv_len = IEEE80211_CCMP_HDR_LEN;
605 pattrib->icv_len = IEEE80211_CCMP_MIC_LEN;
606 break;
607
608 default:
609 pattrib->iv_len = 0;
610 pattrib->icv_len = 0;
611 break;
612 }
613
614 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
615 "update_attrib: encrypt =%d\n", pattrib->encrypt);
616
617 if (pattrib->encrypt && !psecuritypriv->hw_decrypted) {
618 pattrib->bswenc = true;
619 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
620 "update_attrib: encrypt =%d bswenc = true\n",
621 pattrib->encrypt);
622 } else {
623 pattrib->bswenc = false;
624 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
625 "update_attrib: bswenc = false\n");
626 }
627 update_attrib_phy_info(pattrib, psta);
628
629 exit:
630
631 return res;
632 }
633
634 static int xmitframe_addmic(struct rtw_adapter *padapter,
635 struct xmit_frame *pxmitframe) {
636 struct mic_data micdata;
637 struct sta_info *stainfo;
638 struct pkt_attrib *pattrib = &pxmitframe->attrib;
639 struct security_priv *psecuritypriv = &padapter->securitypriv;
640 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
641 int curfragnum, length;
642 u8 *pframe, *payload, mic[8];
643 u8 priority[4]= {0x0, 0x0, 0x0, 0x0};
644 u8 hw_hdr_offset = 0;
645 int bmcst = is_multicast_ether_addr(pattrib->ra);
646
647 if (pattrib->psta) {
648 stainfo = pattrib->psta;
649 } else {
650 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
651 stainfo = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
652 }
653
654 if (!stainfo) {
655 DBG_8723A("%s, psta == NUL\n", __func__);
656 return _FAIL;
657 }
658
659 if (!(stainfo->state &_FW_LINKED)) {
660 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
661 __func__, stainfo->state);
662 return _FAIL;
663 }
664
665 hw_hdr_offset = TXDESC_OFFSET;
666
667 if (pattrib->encrypt == WLAN_CIPHER_SUITE_TKIP) {
668 /* encode mic code */
669 if (stainfo) {
670 u8 null_key[16]={0x0, 0x0, 0x0, 0x0,
671 0x0, 0x0, 0x0, 0x0,
672 0x0, 0x0, 0x0, 0x0,
673 0x0, 0x0, 0x0, 0x0};
674
675 pframe = pxmitframe->buf_addr + hw_hdr_offset;
676
677 if (bmcst) {
678 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
679 return _FAIL;
680 }
681 /* start to calculate the mic code */
682 rtw_secmicsetkey23a(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
683 } else {
684 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0],
685 null_key, 16)) {
686 return _FAIL;
687 }
688 /* start to calculate the mic code */
689 rtw_secmicsetkey23a(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
690 }
691
692 if (pframe[1] & 1) { /* ToDS == 1 */
693 /* DA */
694 rtw_secmicappend23a(&micdata, &pframe[16], 6);
695 if (pframe[1] & 2) /* From Ds == 1 */
696 rtw_secmicappend23a(&micdata,
697 &pframe[24], 6);
698 else
699 rtw_secmicappend23a(&micdata,
700 &pframe[10], 6);
701 } else { /* ToDS == 0 */
702 /* DA */
703 rtw_secmicappend23a(&micdata, &pframe[4], 6);
704 if (pframe[1] & 2) /* From Ds == 1 */
705 rtw_secmicappend23a(&micdata,
706 &pframe[16], 6);
707 else
708 rtw_secmicappend23a(&micdata,
709 &pframe[10], 6);
710 }
711
712 /* if (pmlmepriv->qos_option == 1) */
713 if (pattrib->qos_en)
714 priority[0] = (u8)pxmitframe->attrib.priority;
715
716 rtw_secmicappend23a(&micdata, &priority[0], 4);
717
718 payload = pframe;
719
720 for (curfragnum = 0; curfragnum < pattrib->nr_frags;
721 curfragnum++) {
722 payload = PTR_ALIGN(payload, 4);
723 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
724 "=== curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
725 curfragnum, *payload, *(payload + 1),
726 *(payload + 2), *(payload + 3),
727 *(payload + 4), *(payload + 5),
728 *(payload + 6), *(payload + 7));
729
730 payload = payload + pattrib->hdrlen +
731 pattrib->iv_len;
732 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
733 "curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d\n",
734 curfragnum,
735 pattrib->hdrlen, pattrib->iv_len);
736 if ((curfragnum + 1) == pattrib->nr_frags) {
737 length = pattrib->last_txcmdsz -
738 pattrib->hdrlen -
739 pattrib->iv_len -
740 ((pattrib->bswenc) ?
741 pattrib->icv_len : 0);
742 rtw_secmicappend23a(&micdata, payload,
743 length);
744 payload = payload + length;
745 } else {
746 length = pxmitpriv->frag_len -
747 pattrib->hdrlen -
748 pattrib->iv_len -
749 ((pattrib->bswenc) ?
750 pattrib->icv_len : 0);
751 rtw_secmicappend23a(&micdata, payload,
752 length);
753 payload = payload + length +
754 pattrib->icv_len;
755 RT_TRACE(_module_rtl871x_xmit_c_,
756 _drv_err_,
757 "curfragnum =%d length =%d pattrib->icv_len =%d\n",
758 curfragnum, length,
759 pattrib->icv_len);
760 }
761 }
762 rtw_secgetmic23a(&micdata, &mic[0]);
763 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
764 "xmitframe_addmic: before add mic code!!\n");
765 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
766 "xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n",
767 pattrib->last_txcmdsz);
768 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
769 "xmitframe_addmic: mic[0]= 0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\nmic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
770 mic[0], mic[1], mic[2], mic[3],
771 mic[4], mic[5], mic[6], mic[7]);
772 /* add mic code and add the mic code length
773 in last_txcmdsz */
774
775 memcpy(payload, &mic[0], 8);
776 pattrib->last_txcmdsz += 8;
777
778 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
779 "======== last pkt ========\n");
780 payload = payload - pattrib->last_txcmdsz + 8;
781 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz;
782 curfragnum = curfragnum + 8) {
783 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
784 "%.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x\n",
785 *(payload + curfragnum),
786 *(payload + curfragnum + 1),
787 *(payload + curfragnum + 2),
788 *(payload + curfragnum + 3),
789 *(payload + curfragnum + 4),
790 *(payload + curfragnum + 5),
791 *(payload + curfragnum + 6),
792 *(payload + curfragnum + 7));
793 }
794 } else {
795 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
796 "xmitframe_addmic: rtw_get_stainfo23a ==NULL!!!\n");
797 }
798 }
799
800 return _SUCCESS;
801 }
802
803 static int xmitframe_swencrypt(struct rtw_adapter *padapter,
804 struct xmit_frame *pxmitframe)
805 {
806 struct pkt_attrib *pattrib = &pxmitframe->attrib;
807
808 /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
809 if (pattrib->bswenc) {
810 /* DBG_8723A("start xmitframe_swencrypt\n"); */
811 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
812 "### xmitframe_swencrypt\n");
813 switch (pattrib->encrypt) {
814 case WLAN_CIPHER_SUITE_WEP40:
815 case WLAN_CIPHER_SUITE_WEP104:
816 rtw_wep_encrypt23a(padapter, pxmitframe);
817 break;
818 case WLAN_CIPHER_SUITE_TKIP:
819 rtw_tkip_encrypt23a(padapter, pxmitframe);
820 break;
821 case WLAN_CIPHER_SUITE_CCMP:
822 rtw_aes_encrypt23a(padapter, pxmitframe);
823 break;
824 default:
825 break;
826 }
827
828 } else {
829 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
830 "### xmitframe_hwencrypt\n");
831 }
832
833 return _SUCCESS;
834 }
835
836 static int rtw_make_wlanhdr(struct rtw_adapter *padapter, u8 *hdr,
837 struct pkt_attrib *pattrib)
838 {
839 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
840 struct ieee80211_qos_hdr *qoshdr;
841 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
842 u8 qos_option = false;
843 int res = _SUCCESS;
844
845 struct sta_info *psta;
846
847 int bmcst = is_multicast_ether_addr(pattrib->ra);
848
849 if (pattrib->psta) {
850 psta = pattrib->psta;
851 } else {
852 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
853 if (bmcst) {
854 psta = rtw_get_bcmc_stainfo23a(padapter);
855 } else {
856 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
857 }
858 }
859
860 if (psta == NULL) {
861 DBG_8723A("%s, psta == NUL\n", __func__);
862 return _FAIL;
863 }
864
865 if (!(psta->state &_FW_LINKED)) {
866 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
867 return _FAIL;
868 }
869
870 memset(hdr, 0, WLANHDR_OFFSET);
871
872 pwlanhdr->frame_control = cpu_to_le16(pattrib->type);
873
874 if (pattrib->type & IEEE80211_FTYPE_DATA) {
875 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
876 /* to_ds = 1, fr_ds = 0; */
877 /* Data transfer to AP */
878 pwlanhdr->frame_control |=
879 cpu_to_le16(IEEE80211_FCTL_TODS);
880 ether_addr_copy(pwlanhdr->addr1, get_bssid(pmlmepriv));
881 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
882 ether_addr_copy(pwlanhdr->addr3, pattrib->dst);
883
884 if (pmlmepriv->qos_option)
885 qos_option = true;
886
887 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
888 /* to_ds = 0, fr_ds = 1; */
889 pwlanhdr->frame_control |=
890 cpu_to_le16(IEEE80211_FCTL_FROMDS);
891 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
892 ether_addr_copy(pwlanhdr->addr2, get_bssid(pmlmepriv));
893 ether_addr_copy(pwlanhdr->addr3, pattrib->src);
894
895 if (psta->qos_option)
896 qos_option = true;
897 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
898 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
899 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
900 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
901 ether_addr_copy(pwlanhdr->addr3, get_bssid(pmlmepriv));
902
903 if (psta->qos_option)
904 qos_option = true;
905 }
906 else {
907 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
908 "fw_state:%x is not allowed to xmit frame\n",
909 get_fwstate(pmlmepriv));
910 res = _FAIL;
911 goto exit;
912 }
913 if (pattrib->mdata)
914 pwlanhdr->frame_control |=
915 cpu_to_le16(IEEE80211_FCTL_MOREDATA);
916 if (pattrib->encrypt)
917 pwlanhdr->frame_control |=
918 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
919 if (qos_option) {
920 qoshdr = (struct ieee80211_qos_hdr *)hdr;
921
922 qoshdr->qos_ctrl = cpu_to_le16(
923 pattrib->priority & IEEE80211_QOS_CTL_TID_MASK);
924
925 qoshdr->qos_ctrl |= cpu_to_le16(
926 (pattrib->ack_policy << 5) &
927 IEEE80211_QOS_CTL_ACK_POLICY_MASK);
928
929 if (pattrib->eosp)
930 qoshdr->qos_ctrl |=
931 cpu_to_le16(IEEE80211_QOS_CTL_EOSP);
932 }
933 /* TODO: fill HT Control Field */
934
935 /* Update Seq Num will be handled by f/w */
936 if (psta) {
937 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
938 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
939 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
940 /* We dont need to worry about frag bits here */
941 pwlanhdr->seq_ctrl = cpu_to_le16(IEEE80211_SN_TO_SEQ(
942 pattrib->seqnum));
943 /* check if enable ampdu */
944 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
945 if (pattrib->priority >= 16)
946 printk(KERN_WARNING "%s: Invalid "
947 "pattrib->priority %i\n",
948 __func__, pattrib->priority);
949 if (psta->htpriv.agg_enable_bitmap &
950 BIT(pattrib->priority))
951 pattrib->ampdu_en = true;
952 }
953 /* re-check if enable ampdu by BA_starting_seqctrl */
954 if (pattrib->ampdu_en) {
955 u16 tx_seq;
956
957 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
958
959 /* check BA_starting_seqctrl */
960 if (SN_LESS(pattrib->seqnum, tx_seq)) {
961 /* DBG_8723A("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */
962 pattrib->ampdu_en = false;/* AGG BK */
963 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
964 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
965 pattrib->ampdu_en = true;/* AGG EN */
966 } else {
967 /* DBG_8723A("tx ampdu over run\n"); */
968 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
969 pattrib->ampdu_en = true;/* AGG EN */
970 }
971 }
972 }
973 }
974 exit:
975 return res;
976 }
977
978 s32 rtw_txframes_pending23a(struct rtw_adapter *padapter)
979 {
980 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
981
982 return (!list_empty(&pxmitpriv->be_pending.queue)) ||
983 (!list_empty(&pxmitpriv->bk_pending.queue)) ||
984 (!list_empty(&pxmitpriv->vi_pending.queue)) ||
985 (!list_empty(&pxmitpriv->vo_pending.queue));
986 }
987
988 s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
989 struct pkt_attrib *pattrib)
990 {
991 struct sta_info *psta;
992 struct tx_servq *ptxservq;
993 int priority = pattrib->priority;
994
995 if (pattrib->psta) {
996 psta = pattrib->psta;
997 } else {
998 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
999 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
1000 }
1001 if (psta == NULL) {
1002 DBG_8723A("%s, psta == NUL\n", __func__);
1003 return 0;
1004 }
1005 if (!(psta->state &_FW_LINKED)) {
1006 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1007 psta->state);
1008 return 0;
1009 }
1010 switch (priority) {
1011 case 1:
1012 case 2:
1013 ptxservq = &psta->sta_xmitpriv.bk_q;
1014 break;
1015 case 4:
1016 case 5:
1017 ptxservq = &psta->sta_xmitpriv.vi_q;
1018 break;
1019 case 6:
1020 case 7:
1021 ptxservq = &psta->sta_xmitpriv.vo_q;
1022 break;
1023 case 0:
1024 case 3:
1025 default:
1026 ptxservq = &psta->sta_xmitpriv.be_q;
1027 break;
1028 }
1029 return ptxservq->qcnt;
1030 }
1031
1032 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1033 * IEEE LLC/SNAP header contains 8 octets
1034 * First 3 octets comprise the LLC portion
1035 * SNAP portion, 5 octets, is divided into two fields:
1036 * Organizationally Unique Identifier(OUI), 3 octets,
1037 * type, defined by that organization, 2 octets.
1038 */
1039 static int rtw_put_snap(u8 *data, u16 h_proto)
1040 {
1041 if (h_proto == ETH_P_IPX || h_proto == ETH_P_AARP)
1042 ether_addr_copy(data, bridge_tunnel_header);
1043 else
1044 ether_addr_copy(data, rfc1042_header);
1045
1046 data += ETH_ALEN;
1047 put_unaligned_be16(h_proto, data);
1048 return ETH_ALEN + sizeof(u16);
1049 }
1050
1051 /*
1052
1053 This sub-routine will perform all the following:
1054
1055 1. remove 802.3 header.
1056 2. create wlan_header, based on the info in pxmitframe
1057 3. append sta's iv/ext-iv
1058 4. append LLC
1059 5. move frag chunk from pframe to pxmitframe->mem
1060 6. apply sw-encrypt, if necessary.
1061
1062 */
1063 int rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *skb,
1064 struct xmit_frame *pxmitframe)
1065 {
1066 struct sta_info *psta;
1067 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1068 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1069 struct ieee80211_hdr *hdr;
1070 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1071 u8 *pframe, *mem_start;
1072 u8 hw_hdr_offset;
1073 u8 *pbuf_start;
1074 u8 *pdata = skb->data;
1075 int data_len = skb->len;
1076 s32 bmcst = is_multicast_ether_addr(pattrib->ra);
1077 int res = _SUCCESS;
1078
1079 if (pattrib->psta)
1080 psta = pattrib->psta;
1081 else {
1082 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1083 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
1084 }
1085
1086 if (!psta) {
1087 DBG_8723A("%s, psta == NUL\n", __func__);
1088 return _FAIL;
1089 }
1090
1091 if (!(psta->state &_FW_LINKED)) {
1092 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
1093 __func__, psta->state);
1094 return _FAIL;
1095 }
1096
1097 if (!pxmitframe->buf_addr) {
1098 DBG_8723A("==> %s buf_addr == NULL\n", __func__);
1099 return _FAIL;
1100 }
1101
1102 pbuf_start = pxmitframe->buf_addr;
1103
1104 hw_hdr_offset = TXDESC_OFFSET;
1105
1106 mem_start = pbuf_start + hw_hdr_offset;
1107
1108 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1109 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1110 "%s: rtw_make_wlanhdr fail; drop pkt\n", __func__);
1111 res = _FAIL;
1112 goto exit;
1113 }
1114
1115 pdata += pattrib->pkt_hdrlen;
1116 data_len -= pattrib->pkt_hdrlen;
1117
1118 frg_inx = 0;
1119 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1120
1121 while (1) {
1122 llc_sz = 0;
1123
1124 mpdu_len = frg_len;
1125
1126 pframe = mem_start;
1127 hdr = (struct ieee80211_hdr *)mem_start;
1128
1129 pframe += pattrib->hdrlen;
1130 mpdu_len -= pattrib->hdrlen;
1131
1132 /* adding icv, if necessary... */
1133 if (pattrib->iv_len) {
1134 if (psta) {
1135 switch (pattrib->encrypt) {
1136 case WLAN_CIPHER_SUITE_WEP40:
1137 case WLAN_CIPHER_SUITE_WEP104:
1138 WEP_IV(pattrib->iv, psta->dot11txpn,
1139 pattrib->key_idx);
1140 break;
1141 case WLAN_CIPHER_SUITE_TKIP:
1142 if (bmcst)
1143 TKIP_IV(pattrib->iv,
1144 psta->dot11txpn,
1145 pattrib->key_idx);
1146 else
1147 TKIP_IV(pattrib->iv,
1148 psta->dot11txpn, 0);
1149 break;
1150 case WLAN_CIPHER_SUITE_CCMP:
1151 if (bmcst)
1152 AES_IV(pattrib->iv,
1153 psta->dot11txpn,
1154 pattrib->key_idx);
1155 else
1156 AES_IV(pattrib->iv,
1157 psta->dot11txpn, 0);
1158 break;
1159 }
1160 }
1161
1162 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1163
1164 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1165 "rtw_xmiaframe_coalesce23a: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1166 padapter->securitypriv.dot11PrivacyKeyIndex,
1167 pattrib->iv[3], *pframe, *(pframe+1),
1168 *(pframe+2), *(pframe+3));
1169 pframe += pattrib->iv_len;
1170 mpdu_len -= pattrib->iv_len;
1171 }
1172 if (frg_inx == 0) {
1173 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1174 pframe += llc_sz;
1175 mpdu_len -= llc_sz;
1176 }
1177
1178 if (pattrib->icv_len > 0 && pattrib->bswenc)
1179 mpdu_len -= pattrib->icv_len;
1180
1181 if (bmcst)
1182 /* don't do fragment to broadcast/multicast packets */
1183 mem_sz = min_t(s32, data_len, pattrib->pktlen);
1184 else
1185 mem_sz = min_t(s32, data_len, mpdu_len);
1186
1187 memcpy(pframe, pdata, mem_sz);
1188
1189 pframe += mem_sz;
1190 pdata += mem_sz;
1191 data_len -= mem_sz;
1192
1193 if ((pattrib->icv_len >0) && (pattrib->bswenc)) {
1194 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1195 pframe += pattrib->icv_len;
1196 }
1197
1198 frg_inx++;
1199
1200 if (bmcst || data_len <= 0) {
1201 pattrib->nr_frags = frg_inx;
1202
1203 pattrib->last_txcmdsz = pattrib->hdrlen +
1204 pattrib->iv_len +
1205 ((pattrib->nr_frags == 1) ?
1206 llc_sz : 0) +
1207 ((pattrib->bswenc) ?
1208 pattrib->icv_len : 0) + mem_sz;
1209 hdr->frame_control &=
1210 ~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1211
1212 break;
1213 } else {
1214 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1215 "%s: There're still something in packet!\n",
1216 __func__);
1217 }
1218 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1219
1220 mem_start = PTR_ALIGN(pframe, 4) + hw_hdr_offset;
1221 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1222 }
1223
1224 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1225 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1226 "xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1227 DBG_8723A("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1228 res = _FAIL;
1229 goto exit;
1230 }
1231
1232 xmitframe_swencrypt(padapter, pxmitframe);
1233
1234 if (bmcst == false)
1235 update_attrib_vcs_info(padapter, pxmitframe);
1236 else
1237 pattrib->vcs_mode = NONE_VCS;
1238
1239 exit:
1240 return res;
1241 }
1242
1243 void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len)
1244 {
1245 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1246 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1247 uint protection;
1248 const u8 *p;
1249
1250 switch (pregistrypriv->vrtl_carrier_sense) {
1251 case DISABLE_VCS:
1252 pxmitpriv->vcs = NONE_VCS;
1253 break;
1254 case ENABLE_VCS:
1255 break;
1256 case AUTO_VCS:
1257 default:
1258 p = cfg80211_find_ie(WLAN_EID_ERP_INFO, ie, ie_len);
1259 if (!p)
1260 pxmitpriv->vcs = NONE_VCS;
1261 else {
1262 protection = (*(p + 2)) & BIT(1);
1263 if (protection) {
1264 if (pregistrypriv->vcs_type == RTS_CTS)
1265 pxmitpriv->vcs = RTS_CTS;
1266 else
1267 pxmitpriv->vcs = CTS_TO_SELF;
1268 } else {
1269 pxmitpriv->vcs = NONE_VCS;
1270 }
1271 }
1272 break;
1273 }
1274 }
1275
1276 void rtw_count_tx_stats23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1277 {
1278 struct sta_info *psta = NULL;
1279 struct stainfo_stats *pstats = NULL;
1280 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1281 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1282
1283 if (pxmitframe->frame_tag == DATA_FRAMETAG) {
1284 pxmitpriv->tx_bytes += sz;
1285 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
1286
1287 psta = pxmitframe->attrib.psta;
1288 if (psta) {
1289 pstats = &psta->sta_stats;
1290 pstats->tx_pkts++;
1291 pstats->tx_bytes += sz;
1292 }
1293 }
1294 }
1295
1296 struct xmit_buf *rtw_alloc_xmitbuf23a_ext(struct xmit_priv *pxmitpriv)
1297 {
1298 unsigned long irqL;
1299 struct xmit_buf *pxmitbuf = NULL;
1300 struct list_head *phead;
1301 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1302
1303 spin_lock_irqsave(&pfree_queue->lock, irqL);
1304
1305 phead = get_list_head(pfree_queue);
1306
1307 if (!list_empty(phead)) {
1308 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1309
1310 list_del_init(&pxmitbuf->list);
1311
1312 pxmitpriv->free_xmit_extbuf_cnt--;
1313 pxmitbuf->priv_data = NULL;
1314 pxmitbuf->ext_tag = true;
1315
1316 if (pxmitbuf->sctx) {
1317 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1318 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1319 }
1320 }
1321
1322 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1323
1324 return pxmitbuf;
1325 }
1326
1327 int rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv,
1328 struct xmit_buf *pxmitbuf)
1329 {
1330 unsigned long irqL;
1331 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1332
1333 if (pxmitbuf == NULL)
1334 return _FAIL;
1335
1336 spin_lock_irqsave(&pfree_queue->lock, irqL);
1337
1338 list_del_init(&pxmitbuf->list);
1339
1340 list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue));
1341 pxmitpriv->free_xmit_extbuf_cnt++;
1342
1343 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1344
1345 return _SUCCESS;
1346 }
1347
1348 struct xmit_buf *rtw_alloc_xmitbuf23a(struct xmit_priv *pxmitpriv)
1349 {
1350 unsigned long irqL;
1351 struct xmit_buf *pxmitbuf = NULL;
1352 struct list_head *phead;
1353 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1354
1355 /* DBG_8723A("+rtw_alloc_xmitbuf23a\n"); */
1356
1357 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1358
1359 phead = get_list_head(pfree_xmitbuf_queue);
1360
1361 if (!list_empty(phead)) {
1362 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1363
1364 list_del_init(&pxmitbuf->list);
1365
1366 pxmitpriv->free_xmitbuf_cnt--;
1367 pxmitbuf->priv_data = NULL;
1368 pxmitbuf->ext_tag = false;
1369 pxmitbuf->flags = XMIT_VO_QUEUE;
1370
1371 if (pxmitbuf->sctx) {
1372 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1373 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1374 }
1375 }
1376
1377 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1378
1379 return pxmitbuf;
1380 }
1381
1382 int rtw_free_xmitbuf23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1383 {
1384 unsigned long irqL;
1385 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1386
1387 /* DBG_8723A("+rtw_free_xmitbuf23a\n"); */
1388
1389 if (pxmitbuf == NULL)
1390 return _FAIL;
1391
1392 if (pxmitbuf->sctx) {
1393 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1394 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1395 }
1396
1397 if (pxmitbuf->ext_tag) {
1398 rtw_free_xmitbuf_ext23a(pxmitpriv, pxmitbuf);
1399 } else {
1400 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1401
1402 list_del_init(&pxmitbuf->list);
1403
1404 list_add_tail(&pxmitbuf->list,
1405 get_list_head(pfree_xmitbuf_queue));
1406
1407 pxmitpriv->free_xmitbuf_cnt++;
1408 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1409 }
1410
1411 return _SUCCESS;
1412 }
1413
1414 static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1415 {
1416 if (pxframe != NULL) {
1417 /* default value setting */
1418 pxframe->buf_addr = NULL;
1419 pxframe->pxmitbuf = NULL;
1420
1421 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1422 /* pxframe->attrib.psta = NULL; */
1423
1424 pxframe->frame_tag = DATA_FRAMETAG;
1425
1426 pxframe->pkt = NULL;
1427 pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1428
1429 pxframe->ack_report = 0;
1430 }
1431 }
1432
1433 /*
1434 Calling context:
1435 1. OS_TXENTRY
1436 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1437
1438 If we turn on USE_RXTHREAD, then, no need for critical section.
1439 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1440
1441 Must be very very cautious...
1442
1443 */
1444 static struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1445 {
1446 struct xmit_frame *pxframe;
1447 struct rtw_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1448
1449 spin_lock_bh(&pfree_xmit_queue->lock);
1450
1451 pxframe = list_first_entry_or_null(&pfree_xmit_queue->queue,
1452 struct xmit_frame, list);
1453 if (!pxframe) {
1454 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1455 "rtw_alloc_xmitframe:%d\n",
1456 pxmitpriv->free_xmitframe_cnt);
1457 } else {
1458 list_del_init(&pxframe->list);
1459 pxmitpriv->free_xmitframe_cnt--;
1460 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1461 "rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n",
1462 pxmitpriv->free_xmitframe_cnt);
1463 }
1464
1465 spin_unlock_bh(&pfree_xmit_queue->lock);
1466
1467 rtw_init_xmitframe(pxframe);
1468
1469 return pxframe;
1470 }
1471
1472 struct xmit_frame *rtw_alloc_xmitframe23a_ext(struct xmit_priv *pxmitpriv)
1473 {
1474 struct xmit_frame *pxframe;
1475 struct rtw_queue *queue = &pxmitpriv->free_xframe_ext_queue;
1476
1477 spin_lock_bh(&queue->lock);
1478
1479 pxframe = list_first_entry_or_null(&queue->queue,
1480 struct xmit_frame, list);
1481 if (!pxframe) {
1482 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1483 "rtw_alloc_xmitframe23a_ext:%d\n",
1484 pxmitpriv->free_xframe_ext_cnt);
1485 } else {
1486 list_del_init(&pxframe->list);
1487 pxmitpriv->free_xframe_ext_cnt--;
1488 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1489 "rtw_alloc_xmitframe23a_ext():free_xmitframe_cnt =%d\n",
1490 pxmitpriv->free_xframe_ext_cnt);
1491 }
1492
1493 spin_unlock_bh(&queue->lock);
1494
1495 rtw_init_xmitframe(pxframe);
1496
1497 return pxframe;
1498 }
1499
1500 s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1501 {
1502 struct rtw_queue *queue = NULL;
1503 struct rtw_adapter *padapter = pxmitpriv->adapter;
1504 struct sk_buff *pndis_pkt = NULL;
1505
1506 if (pxmitframe == NULL) {
1507 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1508 "====== rtw_free_xmitframe23a():pxmitframe == NULL!!!!!!!!!!\n");
1509 goto exit;
1510 }
1511
1512 if (pxmitframe->pkt) {
1513 pndis_pkt = pxmitframe->pkt;
1514 pxmitframe->pkt = NULL;
1515 }
1516
1517 if (pxmitframe->ext_tag == 0)
1518 queue = &pxmitpriv->free_xmit_queue;
1519 else if (pxmitframe->ext_tag == 1)
1520 queue = &pxmitpriv->free_xframe_ext_queue;
1521
1522 if (!queue)
1523 goto check_pkt_complete;
1524 spin_lock_bh(&queue->lock);
1525
1526 list_del_init(&pxmitframe->list);
1527 list_add_tail(&pxmitframe->list, get_list_head(queue));
1528 if (pxmitframe->ext_tag == 0) {
1529 pxmitpriv->free_xmitframe_cnt++;
1530 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_,
1531 "rtw_free_xmitframe23a():free_xmitframe_cnt =%d\n",
1532 pxmitpriv->free_xmitframe_cnt);
1533 } else if (pxmitframe->ext_tag == 1) {
1534 pxmitpriv->free_xframe_ext_cnt++;
1535 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_,
1536 "rtw_free_xmitframe23a():free_xframe_ext_cnt =%d\n",
1537 pxmitpriv->free_xframe_ext_cnt);
1538 }
1539
1540 spin_unlock_bh(&queue->lock);
1541
1542 check_pkt_complete:
1543
1544 if (pndis_pkt)
1545 rtw_os_pkt_complete23a(padapter, pndis_pkt);
1546
1547 exit:
1548
1549 return _SUCCESS;
1550 }
1551
1552 void rtw_free_xmitframe_queue23a(struct xmit_priv *pxmitpriv,
1553 struct rtw_queue *pframequeue)
1554 {
1555 struct list_head *phead;
1556 struct xmit_frame *pxmitframe, *ptmp;
1557
1558 spin_lock_bh(&pframequeue->lock);
1559 phead = get_list_head(pframequeue);
1560 list_for_each_entry_safe(pxmitframe, ptmp, phead, list)
1561 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1562 spin_unlock_bh(&pframequeue->lock);
1563
1564 }
1565
1566 int rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
1567 struct xmit_frame *pxmitframe)
1568 {
1569 if (rtw_xmit23a_classifier(padapter, pxmitframe) == _FAIL) {
1570 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1571 "rtw_xmitframe_enqueue23a: drop xmit pkt for classifier fail\n");
1572 return _FAIL;
1573 }
1574
1575 return _SUCCESS;
1576 }
1577
1578 static struct xmit_frame *
1579 dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit,
1580 struct tx_servq *ptxservq, struct rtw_queue *pframe_queue)
1581 {
1582 struct list_head *phead;
1583 struct xmit_frame *pxmitframe = NULL;
1584
1585 phead = get_list_head(pframe_queue);
1586
1587 if (!list_empty(phead)) {
1588 pxmitframe = list_first_entry(phead, struct xmit_frame, list);
1589 list_del_init(&pxmitframe->list);
1590 ptxservq->qcnt--;
1591 }
1592 return pxmitframe;
1593 }
1594
1595 struct xmit_frame *
1596 rtw_dequeue_xframe23a(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i,
1597 int entry)
1598 {
1599 struct list_head *sta_phead;
1600 struct hw_xmit *phwxmit;
1601 struct tx_servq *ptxservq = NULL, *ptmp;
1602 struct rtw_queue *pframe_queue = NULL;
1603 struct xmit_frame *pxmitframe = NULL;
1604 struct rtw_adapter *padapter = pxmitpriv->adapter;
1605 struct registry_priv *pregpriv = &padapter->registrypriv;
1606 int i, inx[4];
1607
1608 inx[0] = 0;
1609 inx[1] = 1;
1610 inx[2] = 2;
1611 inx[3] = 3;
1612 if (pregpriv->wifi_spec == 1) {
1613 int j;
1614
1615 for (j = 0; j < 4; j++)
1616 inx[j] = pxmitpriv->wmm_para_seq[j];
1617 }
1618
1619 spin_lock_bh(&pxmitpriv->lock);
1620
1621 for (i = 0; i < entry; i++) {
1622 phwxmit = phwxmit_i + inx[i];
1623
1624 sta_phead = get_list_head(phwxmit->sta_queue);
1625 list_for_each_entry_safe(ptxservq, ptmp, sta_phead,
1626 tx_pending) {
1627 pframe_queue = &ptxservq->sta_pending;
1628
1629 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1630
1631 if (pxmitframe) {
1632 phwxmit->accnt--;
1633
1634 /* Remove sta node when there is no pending packets. */
1635 /* must be done after get_next and
1636 before break */
1637 if (list_empty(&pframe_queue->queue))
1638 list_del_init(&ptxservq->tx_pending);
1639 goto exit;
1640 }
1641 }
1642 }
1643 exit:
1644 spin_unlock_bh(&pxmitpriv->lock);
1645 return pxmitframe;
1646 }
1647
1648 struct tx_servq *rtw_get_sta_pending23a(struct rtw_adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1649 {
1650 struct tx_servq *ptxservq = NULL;
1651
1652 switch (up) {
1653 case 1:
1654 case 2:
1655 ptxservq = &psta->sta_xmitpriv.bk_q;
1656 *(ac) = 3;
1657 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1658 "rtw_get_sta_pending23a : BK\n");
1659 break;
1660 case 4:
1661 case 5:
1662 ptxservq = &psta->sta_xmitpriv.vi_q;
1663 *(ac) = 1;
1664 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1665 "rtw_get_sta_pending23a : VI\n");
1666 break;
1667 case 6:
1668 case 7:
1669 ptxservq = &psta->sta_xmitpriv.vo_q;
1670 *(ac) = 0;
1671 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1672 "rtw_get_sta_pending23a : VO\n");
1673 break;
1674 case 0:
1675 case 3:
1676 default:
1677 ptxservq = &psta->sta_xmitpriv.be_q;
1678 *(ac) = 2;
1679 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1680 "rtw_get_sta_pending23a : BE\n");
1681 break;
1682 }
1683 return ptxservq;
1684 }
1685
1686 /*
1687 * Will enqueue pxmitframe to the proper queue,
1688 * and indicate it to xx_pending list.....
1689 */
1690 int rtw_xmit23a_classifier(struct rtw_adapter *padapter,
1691 struct xmit_frame *pxmitframe)
1692 {
1693 struct sta_info *psta;
1694 struct tx_servq *ptxservq;
1695 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1696 struct sta_priv *pstapriv = &padapter->stapriv;
1697 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1698 u8 ac_index;
1699 int res = _SUCCESS;
1700
1701 if (pattrib->psta) {
1702 psta = pattrib->psta;
1703 } else {
1704 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1705 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1706 }
1707 if (psta == NULL) {
1708 res = _FAIL;
1709 DBG_8723A("rtw_xmit23a_classifier: psta == NULL\n");
1710 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1711 "rtw_xmit23a_classifier: psta == NULL\n");
1712 goto exit;
1713 }
1714 if (!(psta->state & _FW_LINKED)) {
1715 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1716 psta->state);
1717 return _FAIL;
1718 }
1719 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority,
1720 (u8 *)(&ac_index));
1721
1722 if (list_empty(&ptxservq->tx_pending)) {
1723 list_add_tail(&ptxservq->tx_pending,
1724 get_list_head(phwxmits[ac_index].sta_queue));
1725 }
1726
1727 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1728 ptxservq->qcnt++;
1729 phwxmits[ac_index].accnt++;
1730 exit:
1731 return res;
1732 }
1733
1734 void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter)
1735 {
1736 struct hw_xmit *hwxmits;
1737 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1738 int size;
1739
1740 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1741
1742 size = sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
1743 pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
1744
1745 hwxmits = pxmitpriv->hwxmits;
1746
1747 if (pxmitpriv->hwxmit_entry == 5) {
1748 /* pxmitpriv->bmc_txqueue.head = 0; */
1749 /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
1750 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
1751
1752 /* pxmitpriv->vo_txqueue.head = 0; */
1753 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1754 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
1755
1756 /* pxmitpriv->vi_txqueue.head = 0; */
1757 /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1758 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
1759
1760 /* pxmitpriv->bk_txqueue.head = 0; */
1761 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1762 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1763
1764 /* pxmitpriv->be_txqueue.head = 0; */
1765 /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
1766 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
1767
1768 } else if (pxmitpriv->hwxmit_entry == 4) {
1769
1770 /* pxmitpriv->vo_txqueue.head = 0; */
1771 /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1772 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1773
1774 /* pxmitpriv->vi_txqueue.head = 0; */
1775 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1776 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1777
1778 /* pxmitpriv->be_txqueue.head = 0; */
1779 /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
1780 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1781
1782 /* pxmitpriv->bk_txqueue.head = 0; */
1783 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1784 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1785 } else {
1786
1787 }
1788 }
1789
1790 void rtw_free_hwxmits23a(struct rtw_adapter *padapter)
1791 {
1792 struct hw_xmit *hwxmits;
1793 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1794
1795 hwxmits = pxmitpriv->hwxmits;
1796 kfree(hwxmits);
1797 }
1798
1799 void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry)
1800 {
1801 int i;
1802
1803 for (i = 0; i < entry; i++, phwxmit++)
1804 phwxmit->accnt = 0;
1805 }
1806
1807 u32 rtw_get_ff_hwaddr23a(struct xmit_frame *pxmitframe)
1808 {
1809 u32 addr;
1810 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1811
1812 switch (pattrib->qsel) {
1813 case 0:
1814 case 3:
1815 addr = BE_QUEUE_INX;
1816 break;
1817 case 1:
1818 case 2:
1819 addr = BK_QUEUE_INX;
1820 break;
1821 case 4:
1822 case 5:
1823 addr = VI_QUEUE_INX;
1824 break;
1825 case 6:
1826 case 7:
1827 addr = VO_QUEUE_INX;
1828 break;
1829 case 0x10:
1830 addr = BCN_QUEUE_INX;
1831 break;
1832 case 0x11:/* BC/MC in PS (HIQ) */
1833 addr = HIGH_QUEUE_INX;
1834 break;
1835 case 0x12:
1836 default:
1837 addr = MGT_QUEUE_INX;
1838 break;
1839 }
1840
1841 return addr;
1842 }
1843
1844 /*
1845 * The main transmit(tx) entry
1846 *
1847 * Return
1848 * 1 enqueue
1849 * 0 success, hardware will handle this xmit frame(packet)
1850 * <0 fail
1851 */
1852 int rtw_xmit23a(struct rtw_adapter *padapter, struct sk_buff *skb)
1853 {
1854 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1855 struct xmit_frame *pxmitframe = NULL;
1856 int res;
1857
1858 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1859
1860 if (pxmitframe == NULL) {
1861 RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1862 "rtw_xmit23a: no more pxmitframe\n");
1863 return -1;
1864 }
1865
1866 res = update_attrib(padapter, skb, &pxmitframe->attrib);
1867
1868 if (res == _FAIL) {
1869 RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1870 "rtw_xmit23a: update attrib fail\n");
1871 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1872 return -1;
1873 }
1874 pxmitframe->pkt = skb;
1875
1876 pxmitframe->attrib.qsel = pxmitframe->attrib.priority;
1877
1878 #ifdef CONFIG_8723AU_AP_MODE
1879 spin_lock_bh(&pxmitpriv->lock);
1880 if (xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe)) {
1881 spin_unlock_bh(&pxmitpriv->lock);
1882 return 1;
1883 }
1884 spin_unlock_bh(&pxmitpriv->lock);
1885 #endif
1886
1887 if (rtl8723au_hal_xmit(padapter, pxmitframe) == false)
1888 return 1;
1889
1890 return 0;
1891 }
1892
1893 #if defined(CONFIG_8723AU_AP_MODE)
1894
1895 int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
1896 {
1897 int ret = false;
1898 struct sta_info *psta = NULL;
1899 struct sta_priv *pstapriv = &padapter->stapriv;
1900 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1901 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1902 int bmcst = is_multicast_ether_addr(pattrib->ra);
1903
1904 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
1905 return ret;
1906
1907 if (pattrib->psta) {
1908 psta = pattrib->psta;
1909 } else {
1910 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1911 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1912 }
1913
1914 if (psta == NULL) {
1915 DBG_8723A("%s, psta == NUL\n", __func__);
1916 return false;
1917 }
1918
1919 if (!(psta->state & _FW_LINKED)) {
1920 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1921 psta->state);
1922 return false;
1923 }
1924
1925 if (pattrib->triggered == 1) {
1926 if (bmcst)
1927 pattrib->qsel = 0x11;/* HIQ */
1928 return ret;
1929 }
1930
1931 if (bmcst) {
1932 spin_lock_bh(&psta->sleep_q.lock);
1933
1934 if (pstapriv->sta_dz_bitmap) {
1935 /* if anyone sta is in ps mode */
1936 list_del_init(&pxmitframe->list);
1937
1938 /* spin_lock_bh(&psta->sleep_q.lock); */
1939
1940 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1941
1942 psta->sleepq_len++;
1943
1944 pstapriv->tim_bitmap |= BIT(0);/* */
1945 pstapriv->sta_dz_bitmap |= BIT(0);
1946
1947 /* DBG_8723A("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
1948
1949 /* tx bc/mc packets after update bcn */
1950 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
1951
1952 /* spin_unlock_bh(&psta->sleep_q.lock); */
1953
1954 ret = true;
1955
1956 }
1957
1958 spin_unlock_bh(&psta->sleep_q.lock);
1959
1960 return ret;
1961
1962 }
1963
1964 spin_lock_bh(&psta->sleep_q.lock);
1965
1966 if (psta->state&WIFI_SLEEP_STATE) {
1967 u8 wmmps_ac = 0;
1968
1969 if (pstapriv->sta_dz_bitmap & CHKBIT(psta->aid)) {
1970 list_del_init(&pxmitframe->list);
1971
1972 /* spin_lock_bh(&psta->sleep_q.lock); */
1973
1974 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1975
1976 psta->sleepq_len++;
1977
1978 switch (pattrib->priority) {
1979 case 1:
1980 case 2:
1981 wmmps_ac = psta->uapsd_bk & BIT(0);
1982 break;
1983 case 4:
1984 case 5:
1985 wmmps_ac = psta->uapsd_vi & BIT(0);
1986 break;
1987 case 6:
1988 case 7:
1989 wmmps_ac = psta->uapsd_vo & BIT(0);
1990 break;
1991 case 0:
1992 case 3:
1993 default:
1994 wmmps_ac = psta->uapsd_be & BIT(0);
1995 break;
1996 }
1997
1998 if (wmmps_ac)
1999 psta->sleepq_ac_len++;
2000
2001 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
2002 ((!psta->has_legacy_ac) && (wmmps_ac))) {
2003 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
2004
2005 if (psta->sleepq_len == 1) {
2006 /* update BCN for TIM IE */
2007 update_beacon23a(padapter, WLAN_EID_TIM,
2008 NULL, false);
2009 }
2010 }
2011
2012 /* spin_unlock_bh(&psta->sleep_q.lock); */
2013
2014 /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
2015 /* */
2016 /* wakeup_sta_to_xmit23a(padapter, psta); */
2017 /* */
2018
2019 ret = true;
2020
2021 }
2022
2023 }
2024
2025 spin_unlock_bh(&psta->sleep_q.lock);
2026
2027 return ret;
2028 }
2029
2030 static void
2031 dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter *padapter,
2032 struct sta_info *psta,
2033 struct rtw_queue *pframequeue)
2034 {
2035 int ret;
2036 struct list_head *phead;
2037 u8 ac_index;
2038 struct tx_servq *ptxservq;
2039 struct pkt_attrib *pattrib;
2040 struct xmit_frame *pxmitframe, *ptmp;
2041 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2042
2043 phead = get_list_head(pframequeue);
2044 list_for_each_entry_safe(pxmitframe, ptmp, phead, list) {
2045 ret = xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe);
2046
2047 if (ret == true) {
2048 pattrib = &pxmitframe->attrib;
2049
2050 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2051
2052 ptxservq->qcnt--;
2053 phwxmits[ac_index].accnt--;
2054 } else {
2055 /* DBG_8723A("xmitframe_enqueue_for_sleeping_sta23a return false\n"); */
2056 }
2057 }
2058 }
2059
2060 void stop_sta_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2061 {
2062 struct sta_info *psta_bmc;
2063 struct sta_xmit_priv *pstaxmitpriv;
2064 struct sta_priv *pstapriv = &padapter->stapriv;
2065 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2066
2067 pstaxmitpriv = &psta->sta_xmitpriv;
2068
2069 /* for BC/MC Frames */
2070 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2071
2072 spin_lock_bh(&pxmitpriv->lock);
2073
2074 psta->state |= WIFI_SLEEP_STATE;
2075
2076 pstapriv->sta_dz_bitmap |= CHKBIT(psta->aid);
2077
2078 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2079 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
2080
2081 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2082 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
2083
2084 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2085 &pstaxmitpriv->be_q.sta_pending);
2086 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2087
2088 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2089 &pstaxmitpriv->bk_q.sta_pending);
2090 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
2091
2092 /* for BC/MC Frames */
2093 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2094 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc,
2095 &pstaxmitpriv->be_q.sta_pending);
2096 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2097
2098 spin_unlock_bh(&pxmitpriv->lock);
2099 }
2100
2101 void wakeup_sta_to_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2102 {
2103 u8 update_mask = 0, wmmps_ac = 0;
2104 struct sta_info *psta_bmc;
2105 struct list_head *phead;
2106 struct xmit_frame *pxmitframe = NULL, *ptmp;
2107 struct sta_priv *pstapriv = &padapter->stapriv;
2108 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2109
2110 spin_lock_bh(&pxmitpriv->lock);
2111 phead = get_list_head(&psta->sleep_q);
2112 list_for_each_entry_safe(pxmitframe, ptmp, phead, list) {
2113 list_del_init(&pxmitframe->list);
2114
2115 switch (pxmitframe->attrib.priority) {
2116 case 1:
2117 case 2:
2118 wmmps_ac = psta->uapsd_bk & BIT(1);
2119 break;
2120 case 4:
2121 case 5:
2122 wmmps_ac = psta->uapsd_vi & BIT(1);
2123 break;
2124 case 6:
2125 case 7:
2126 wmmps_ac = psta->uapsd_vo & BIT(1);
2127 break;
2128 case 0:
2129 case 3:
2130 default:
2131 wmmps_ac = psta->uapsd_be & BIT(1);
2132 break;
2133 }
2134
2135 psta->sleepq_len--;
2136 if (psta->sleepq_len > 0)
2137 pxmitframe->attrib.mdata = 1;
2138 else
2139 pxmitframe->attrib.mdata = 0;
2140
2141 if (wmmps_ac) {
2142 psta->sleepq_ac_len--;
2143 if (psta->sleepq_ac_len > 0) {
2144 pxmitframe->attrib.mdata = 1;
2145 pxmitframe->attrib.eosp = 0;
2146 } else {
2147 pxmitframe->attrib.mdata = 0;
2148 pxmitframe->attrib.eosp = 1;
2149 }
2150 }
2151
2152 pxmitframe->attrib.triggered = 1;
2153 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2154 }
2155
2156 if (psta->sleepq_len == 0) {
2157 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2158
2159 /* update BCN for TIM IE */
2160 update_mask = BIT(0);
2161
2162 if (psta->state&WIFI_SLEEP_STATE)
2163 psta->state ^= WIFI_SLEEP_STATE;
2164
2165 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2166 psta->expire_to = pstapriv->expire_to;
2167 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2168 }
2169
2170 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
2171 }
2172 /* spin_unlock_bh(&psta->sleep_q.lock); */
2173 spin_unlock_bh(&pxmitpriv->lock);
2174
2175 /* for BC/MC Frames */
2176 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2177 if (!psta_bmc)
2178 return;
2179
2180 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
2181 /* no any sta in ps mode */
2182 spin_lock_bh(&pxmitpriv->lock);
2183 phead = get_list_head(&psta_bmc->sleep_q);
2184 list_for_each_entry_safe(pxmitframe, ptmp, phead, list) {
2185 list_del_init(&pxmitframe->list);
2186
2187 psta_bmc->sleepq_len--;
2188 if (psta_bmc->sleepq_len > 0)
2189 pxmitframe->attrib.mdata = 1;
2190 else
2191 pxmitframe->attrib.mdata = 0;
2192
2193 pxmitframe->attrib.triggered = 1;
2194 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2195 }
2196 if (psta_bmc->sleepq_len == 0) {
2197 pstapriv->tim_bitmap &= ~BIT(0);
2198 pstapriv->sta_dz_bitmap &= ~BIT(0);
2199
2200 /* update BCN for TIM IE */
2201 /* update_BCNTIM(padapter); */
2202 update_mask |= BIT(1);
2203 }
2204 /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
2205 spin_unlock_bh(&pxmitpriv->lock);
2206 }
2207
2208 if (update_mask)
2209 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2210 }
2211
2212 void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
2213 struct sta_info *psta)
2214 {
2215 u8 wmmps_ac = 0;
2216 struct list_head *phead;
2217 struct xmit_frame *pxmitframe, *ptmp;
2218 struct sta_priv *pstapriv = &padapter->stapriv;
2219 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2220
2221 /* spin_lock_bh(&psta->sleep_q.lock); */
2222 spin_lock_bh(&pxmitpriv->lock);
2223 phead = get_list_head(&psta->sleep_q);
2224 list_for_each_entry_safe(pxmitframe, ptmp, phead, list) {
2225 switch (pxmitframe->attrib.priority) {
2226 case 1:
2227 case 2:
2228 wmmps_ac = psta->uapsd_bk & BIT(1);
2229 break;
2230 case 4:
2231 case 5:
2232 wmmps_ac = psta->uapsd_vi & BIT(1);
2233 break;
2234 case 6:
2235 case 7:
2236 wmmps_ac = psta->uapsd_vo & BIT(1);
2237 break;
2238 case 0:
2239 case 3:
2240 default:
2241 wmmps_ac = psta->uapsd_be & BIT(1);
2242 break;
2243 }
2244
2245 if (!wmmps_ac)
2246 continue;
2247
2248 list_del_init(&pxmitframe->list);
2249
2250 psta->sleepq_len--;
2251 psta->sleepq_ac_len--;
2252
2253 if (psta->sleepq_ac_len > 0) {
2254 pxmitframe->attrib.mdata = 1;
2255 pxmitframe->attrib.eosp = 0;
2256 } else {
2257 pxmitframe->attrib.mdata = 0;
2258 pxmitframe->attrib.eosp = 1;
2259 }
2260
2261 pxmitframe->attrib.triggered = 1;
2262
2263 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2264
2265 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) &&
2266 (wmmps_ac)) {
2267 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2268
2269 /* update BCN for TIM IE */
2270 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2271 }
2272 }
2273 spin_unlock_bh(&pxmitpriv->lock);
2274 }
2275
2276 #endif
2277
2278 void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms)
2279 {
2280 sctx->timeout_ms = timeout_ms;
2281 init_completion(&sctx->done);
2282 sctx->status = RTW_SCTX_SUBMITTED;
2283 }
2284
2285 int rtw_sctx_wait23a(struct submit_ctx *sctx)
2286 {
2287 int ret = _FAIL;
2288 unsigned long expire;
2289 int status = 0;
2290
2291 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) :
2292 MAX_SCHEDULE_TIMEOUT;
2293 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2294 /* timeout, do something?? */
2295 status = RTW_SCTX_DONE_TIMEOUT;
2296 DBG_8723A("%s timeout\n", __func__);
2297 } else {
2298 status = sctx->status;
2299 }
2300
2301 if (status == RTW_SCTX_DONE_SUCCESS)
2302 ret = _SUCCESS;
2303
2304 return ret;
2305 }
2306
2307 static bool rtw_sctx_chk_waring_status(int status)
2308 {
2309 switch (status) {
2310 case RTW_SCTX_DONE_UNKNOWN:
2311 case RTW_SCTX_DONE_BUF_ALLOC:
2312 case RTW_SCTX_DONE_BUF_FREE:
2313 case RTW_SCTX_DONE_DRV_STOP:
2314 case RTW_SCTX_DONE_DEV_REMOVE:
2315 return true;
2316 default:
2317 return false;
2318 }
2319 }
2320
2321 void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status)
2322 {
2323 if (*sctx) {
2324 if (rtw_sctx_chk_waring_status(status))
2325 DBG_8723A("%s status:%d\n", __func__, status);
2326 (*sctx)->status = status;
2327 complete(&(*sctx)->done);
2328 *sctx = NULL;
2329 }
2330 }
2331
2332 int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2333 {
2334 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2335
2336 pack_tx_ops->timeout_ms = timeout_ms;
2337 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2338
2339 return rtw_sctx_wait23a(pack_tx_ops);
2340 }
2341
Linux kernel - Deliverables
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