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 u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
26 static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
27
_init_txservq(struct tx_servq * ptxservq)28 static void _init_txservq(struct tx_servq *ptxservq)
29 {
30
31 INIT_LIST_HEAD(&ptxservq->tx_pending);
32 _rtw_init_queue23a(&ptxservq->sta_pending);
33 ptxservq->qcnt = 0;
34
35 }
36
_rtw_init_sta_xmit_priv23a(struct sta_xmit_priv * psta_xmitpriv)37 void _rtw_init_sta_xmit_priv23a(struct sta_xmit_priv *psta_xmitpriv)
38 {
39
40 spin_lock_init(&psta_xmitpriv->lock);
41
42 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */
43 /* _init_txservq(&psta_xmitpriv->blk_q[i]); */
44
45 _init_txservq(&psta_xmitpriv->be_q);
46 _init_txservq(&psta_xmitpriv->bk_q);
47 _init_txservq(&psta_xmitpriv->vi_q);
48 _init_txservq(&psta_xmitpriv->vo_q);
49 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
50 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
51
52 }
53
_rtw_init_xmit_priv23a(struct xmit_priv * pxmitpriv,struct rtw_adapter * padapter)54 int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv,
55 struct rtw_adapter *padapter)
56 {
57 int i;
58 struct xmit_buf *pxmitbuf;
59 struct xmit_frame *pxframe;
60 int res = _SUCCESS;
61 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
62 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
63
64 spin_lock_init(&pxmitpriv->lock);
65 spin_lock_init(&pxmitpriv->lock_sctx);
66 sema_init(&pxmitpriv->xmit_sema, 0);
67 sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
68
69 pxmitpriv->adapter = padapter;
70
71 _rtw_init_queue23a(&pxmitpriv->be_pending);
72 _rtw_init_queue23a(&pxmitpriv->bk_pending);
73 _rtw_init_queue23a(&pxmitpriv->vi_pending);
74 _rtw_init_queue23a(&pxmitpriv->vo_pending);
75 _rtw_init_queue23a(&pxmitpriv->bm_pending);
76
77 _rtw_init_queue23a(&pxmitpriv->free_xmit_queue);
78
79 for (i = 0; i < NR_XMITFRAME; i++) {
80 pxframe = kzalloc(sizeof(struct xmit_frame), GFP_KERNEL);
81 if (!pxframe)
82 break;
83 INIT_LIST_HEAD(&pxframe->list);
84
85 pxframe->padapter = padapter;
86 pxframe->frame_tag = NULL_FRAMETAG;
87
88 list_add_tail(&pxframe->list,
89 &pxmitpriv->free_xmit_queue.queue);
90 }
91
92 pxmitpriv->free_xmitframe_cnt = i;
93
94 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
95
96 /* init xmit_buf */
97 _rtw_init_queue23a(&pxmitpriv->free_xmitbuf_queue);
98 INIT_LIST_HEAD(&pxmitpriv->xmitbuf_list);
99 _rtw_init_queue23a(&pxmitpriv->pending_xmitbuf_queue);
100
101 for (i = 0; i < NR_XMITBUFF; i++) {
102 pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
103 if (!pxmitbuf)
104 goto fail;
105 INIT_LIST_HEAD(&pxmitbuf->list);
106 INIT_LIST_HEAD(&pxmitbuf->list2);
107
108 pxmitbuf->padapter = padapter;
109
110 /* Tx buf allocation may fail sometimes, so sleep and retry. */
111 res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
112 (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
113 if (res == _FAIL) {
114 goto fail;
115 }
116
117 list_add_tail(&pxmitbuf->list,
118 &pxmitpriv->free_xmitbuf_queue.queue);
119 list_add_tail(&pxmitbuf->list2,
120 &pxmitpriv->xmitbuf_list);
121 }
122
123 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
124
125 /* init xframe_ext queue, the same count as extbuf */
126 _rtw_init_queue23a(&pxmitpriv->free_xframe_ext_queue);
127
128 for (i = 0; i < num_xmit_extbuf; i++) {
129 pxframe = kzalloc(sizeof(struct xmit_frame), GFP_KERNEL);
130 if (!pxframe)
131 break;
132 INIT_LIST_HEAD(&pxframe->list);
133
134 pxframe->padapter = padapter;
135 pxframe->frame_tag = NULL_FRAMETAG;
136
137 pxframe->pkt = NULL;
138
139 pxframe->buf_addr = NULL;
140 pxframe->pxmitbuf = NULL;
141
142 pxframe->ext_tag = 1;
143
144 list_add_tail(&pxframe->list,
145 &pxmitpriv->free_xframe_ext_queue.queue);
146 }
147 pxmitpriv->free_xframe_ext_cnt = i;
148
149 /* Init xmit extension buff */
150 _rtw_init_queue23a(&pxmitpriv->free_xmit_extbuf_queue);
151 INIT_LIST_HEAD(&pxmitpriv->xmitextbuf_list);
152
153 for (i = 0; i < num_xmit_extbuf; i++) {
154 pxmitbuf = kzalloc(sizeof(struct xmit_buf), GFP_KERNEL);
155 if (!pxmitbuf)
156 goto fail;
157 INIT_LIST_HEAD(&pxmitbuf->list);
158 INIT_LIST_HEAD(&pxmitbuf->list2);
159
160 pxmitbuf->padapter = padapter;
161
162 /* Tx buf allocation may fail sometimes, so sleep and retry. */
163 res = rtw_os_xmit_resource_alloc23a(padapter, pxmitbuf,
164 max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
165 if (res == _FAIL) {
166 goto exit;
167 }
168
169 list_add_tail(&pxmitbuf->list,
170 &pxmitpriv->free_xmit_extbuf_queue.queue);
171 list_add_tail(&pxmitbuf->list2,
172 &pxmitpriv->xmitextbuf_list);
173 }
174
175 pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
176
177 rtw_alloc_hwxmits23a(padapter);
178 rtw_init_hwxmits23a(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
179
180 for (i = 0; i < 4; i ++)
181 pxmitpriv->wmm_para_seq[i] = i;
182
183 pxmitpriv->txirp_cnt = 1;
184
185 sema_init(&pxmitpriv->tx_retevt, 0);
186
187 /* per AC pending irp */
188 pxmitpriv->beq_cnt = 0;
189 pxmitpriv->bkq_cnt = 0;
190 pxmitpriv->viq_cnt = 0;
191 pxmitpriv->voq_cnt = 0;
192
193 pxmitpriv->ack_tx = false;
194 mutex_init(&pxmitpriv->ack_tx_mutex);
195 rtw_sctx_init23a(&pxmitpriv->ack_tx_ops, 0);
196 tasklet_init(&padapter->xmitpriv.xmit_tasklet,
197 (void(*)(unsigned long))rtl8723au_xmit_tasklet,
198 (unsigned long)padapter);
199
200 exit:
201
202 return res;
203 fail:
204 goto exit;
205 }
206
_rtw_free_xmit_priv23a(struct xmit_priv * pxmitpriv)207 void _rtw_free_xmit_priv23a (struct xmit_priv *pxmitpriv)
208 {
209 struct rtw_adapter *padapter = pxmitpriv->adapter;
210 struct xmit_frame *pxframe;
211 struct xmit_buf *pxmitbuf;
212 struct list_head *plist, *ptmp;
213
214 list_for_each_safe(plist, ptmp, &pxmitpriv->free_xmit_queue.queue) {
215 pxframe = container_of(plist, struct xmit_frame, list);
216 list_del_init(&pxframe->list);
217 rtw_os_xmit_complete23a(padapter, pxframe);
218 kfree(pxframe);
219 }
220
221 list_for_each_safe(plist, ptmp, &pxmitpriv->xmitbuf_list) {
222 pxmitbuf = container_of(plist, struct xmit_buf, list2);
223 list_del_init(&pxmitbuf->list2);
224 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
225 kfree(pxmitbuf);
226 }
227
228 /* free xframe_ext queue, the same count as extbuf */
229 list_for_each_safe(plist, ptmp,
230 &pxmitpriv->free_xframe_ext_queue.queue) {
231 pxframe = container_of(plist, struct xmit_frame, list);
232 list_del_init(&pxframe->list);
233 rtw_os_xmit_complete23a(padapter, pxframe);
234 kfree(pxframe);
235 }
236
237 /* free xmit extension buff */
238 list_for_each_safe(plist, ptmp, &pxmitpriv->xmitextbuf_list) {
239 pxmitbuf = container_of(plist, struct xmit_buf, list2);
240 list_del_init(&pxmitbuf->list2);
241 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
242 kfree(pxmitbuf);
243 }
244
245 rtw_free_hwxmits23a(padapter);
246 mutex_destroy(&pxmitpriv->ack_tx_mutex);
247 }
248
update_attrib_vcs_info(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)249 static void update_attrib_vcs_info(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
250 {
251 u32 sz;
252 struct pkt_attrib *pattrib = &pxmitframe->attrib;
253 struct sta_info *psta = pattrib->psta;
254 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
255 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
256
257 if (pattrib->psta) {
258 psta = pattrib->psta;
259 } else {
260 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
261 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
262 }
263
264 if (psta == NULL) {
265 DBG_8723A("%s, psta == NUL\n", __func__);
266 return;
267 }
268
269 if (!(psta->state &_FW_LINKED)) {
270 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
271 return;
272 }
273
274 if (pattrib->nr_frags != 1)
275 sz = padapter->xmitpriv.frag_len;
276 else /* no frag */
277 sz = pattrib->last_txcmdsz;
278
279 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
280 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
281 /* Other fragments are protected by previous fragment. */
282 /* So we only need to check the length of first fragment. */
283 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
284 if (sz > padapter->registrypriv.rts_thresh) {
285 pattrib->vcs_mode = RTS_CTS;
286 } else {
287 if (psta->rtsen)
288 pattrib->vcs_mode = RTS_CTS;
289 else if (psta->cts2self)
290 pattrib->vcs_mode = CTS_TO_SELF;
291 else
292 pattrib->vcs_mode = NONE_VCS;
293 }
294 } else {
295 while (true) {
296 /* IOT action */
297 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS &&
298 pattrib->ampdu_en &&
299 padapter->securitypriv.dot11PrivacyAlgrthm ==
300 WLAN_CIPHER_SUITE_CCMP) {
301 pattrib->vcs_mode = CTS_TO_SELF;
302 break;
303 }
304
305 /* check ERP protection */
306 if (psta->rtsen || psta->cts2self) {
307 if (psta->rtsen)
308 pattrib->vcs_mode = RTS_CTS;
309 else if (psta->cts2self)
310 pattrib->vcs_mode = CTS_TO_SELF;
311
312 break;
313 }
314
315 /* check HT op mode */
316 if (pattrib->ht_en) {
317 u8 HTOpMode = pmlmeinfo->HT_protection;
318 if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
319 (!pmlmeext->cur_bwmode && HTOpMode == 3)) {
320 pattrib->vcs_mode = RTS_CTS;
321 break;
322 }
323 }
324
325 /* check rts */
326 if (sz > padapter->registrypriv.rts_thresh) {
327 pattrib->vcs_mode = RTS_CTS;
328 break;
329 }
330
331 /* to do list: check MIMO power save condition. */
332
333 /* check AMPDU aggregation for TXOP */
334 if (pattrib->ampdu_en) {
335 pattrib->vcs_mode = RTS_CTS;
336 break;
337 }
338
339 pattrib->vcs_mode = NONE_VCS;
340 break;
341 }
342 }
343 }
344
update_attrib_phy_info(struct pkt_attrib * pattrib,struct sta_info * psta)345 static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
346 {
347 /*if (psta->rtsen)
348 pattrib->vcs_mode = RTS_CTS;
349 else if (psta->cts2self)
350 pattrib->vcs_mode = CTS_TO_SELF;
351 else
352 pattrib->vcs_mode = NONE_VCS;*/
353
354 pattrib->mdata = 0;
355 pattrib->eosp = 0;
356 pattrib->triggered = 0;
357
358 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
359 pattrib->qos_en = psta->qos_option;
360
361 pattrib->raid = psta->raid;
362 pattrib->ht_en = psta->htpriv.ht_option;
363 pattrib->bwmode = psta->htpriv.bwmode;
364 pattrib->ch_offset = psta->htpriv.ch_offset;
365 pattrib->sgi = psta->htpriv.sgi;
366 pattrib->ampdu_en = false;
367
368 pattrib->retry_ctrl = false;
369 }
370
qos_acm23a(u8 acm_mask,u8 priority)371 u8 qos_acm23a(u8 acm_mask, u8 priority)
372 {
373 u8 change_priority = priority;
374
375 switch (priority) {
376 case 0:
377 case 3:
378 if (acm_mask & BIT(1))
379 change_priority = 1;
380 break;
381 case 1:
382 case 2:
383 break;
384 case 4:
385 case 5:
386 if (acm_mask & BIT(2))
387 change_priority = 0;
388 break;
389 case 6:
390 case 7:
391 if (acm_mask & BIT(3))
392 change_priority = 5;
393 break;
394 default:
395 DBG_8723A("qos_acm23a(): invalid pattrib->priority: %d!!!\n",
396 priority);
397 change_priority = 0;
398 break;
399 }
400
401 return change_priority;
402 }
403
set_qos(struct sk_buff * skb,struct pkt_attrib * pattrib)404 static void set_qos(struct sk_buff *skb, struct pkt_attrib *pattrib)
405 {
406 u8 *pframe = skb->data;
407 struct iphdr *ip_hdr;
408 u8 UserPriority = 0;
409
410 /* get UserPriority from IP hdr */
411 if (pattrib->ether_type == ETH_P_IP) {
412 ip_hdr = (struct iphdr *)(pframe + ETH_HLEN);
413 UserPriority = ip_hdr->tos >> 5;
414 } else if (pattrib->ether_type == ETH_P_PAE) {
415 /* "When priority processing of data frames is supported, */
416 /* a STA's SME should send EAPOL-Key frames at the highest
417 priority." */
418 UserPriority = 7;
419 }
420
421 pattrib->priority = UserPriority;
422 pattrib->hdrlen = sizeof(struct ieee80211_qos_hdr);
423 pattrib->type = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA;
424 }
425
update_attrib(struct rtw_adapter * padapter,struct sk_buff * skb,struct pkt_attrib * pattrib)426 static int update_attrib(struct rtw_adapter *padapter,
427 struct sk_buff *skb, struct pkt_attrib *pattrib)
428 {
429 struct sta_info *psta = NULL;
430 int bmcast;
431 struct sta_priv *pstapriv = &padapter->stapriv;
432 struct security_priv *psecuritypriv = &padapter->securitypriv;
433 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
434 int res = _SUCCESS;
435 struct ethhdr *ehdr = (struct ethhdr *) skb->data;
436
437 pattrib->ether_type = ntohs(ehdr->h_proto);
438
439 ether_addr_copy(pattrib->dst, ehdr->h_dest);
440 ether_addr_copy(pattrib->src, ehdr->h_source);
441
442 pattrib->pctrl = 0;
443
444 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
445 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
446 ether_addr_copy(pattrib->ra, pattrib->dst);
447 ether_addr_copy(pattrib->ta, pattrib->src);
448 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
449 ether_addr_copy(pattrib->ra, get_bssid(pmlmepriv));
450 ether_addr_copy(pattrib->ta, pattrib->src);
451 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
452 ether_addr_copy(pattrib->ra, pattrib->dst);
453 ether_addr_copy(pattrib->ta, get_bssid(pmlmepriv));
454 }
455
456 pattrib->pktlen = skb->len - ETH_HLEN;
457
458 if (pattrib->ether_type == ETH_P_IP) {
459 /* The following is for DHCP and ARP packet, we use cck1M
460 to tx these packets and let LPS awake some time */
461 /* to prevent DHCP protocol fail */
462 pattrib->dhcp_pkt = 0;
463 /* MINIMUM_DHCP_PACKET_SIZE) { */
464 if (pattrib->pktlen > 282 + 24) {
465 if (pattrib->ether_type == ETH_P_IP) {/* IP header */
466 u8 *pframe = skb->data;
467 pframe += ETH_HLEN;
468
469 if ((pframe[21] == 68 && pframe[23] == 67) ||
470 (pframe[21] == 67 && pframe[23] == 68)) {
471 /* 68 : UDP BOOTP client */
472 /* 67 : UDP BOOTP server */
473 RT_TRACE(_module_rtl871x_xmit_c_,
474 _drv_err_,
475 ("======================"
476 "update_attrib: get DHCP "
477 "Packet\n"));
478 pattrib->dhcp_pkt = 1;
479 }
480 }
481 }
482 } else if (pattrib->ether_type == ETH_P_PAE) {
483 DBG_8723A_LEVEL(_drv_always_, "send eapol packet\n");
484 }
485
486 if ((pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
487 rtw_set_scan_deny(padapter, 3000);
488 }
489
490 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
491 if ((pattrib->ether_type == ETH_P_ARP) ||
492 (pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
493 rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
494 }
495
496 bmcast = is_multicast_ether_addr(pattrib->ra);
497
498 /* get sta_info */
499 if (bmcast) {
500 psta = rtw_get_bcmc_stainfo23a(padapter);
501 } else {
502 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
503 if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
504 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
505 ("\nupdate_attrib => get sta_info fail, ra:"
506 MAC_FMT"\n", MAC_ARG(pattrib->ra)));
507 res = _FAIL;
508 goto exit;
509 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
510 (!(psta->state & _FW_LINKED))) {
511 res = _FAIL;
512 goto exit;
513 }
514 }
515
516 if (psta) {
517 pattrib->mac_id = psta->mac_id;
518 /* DBG_8723A("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
519 pattrib->psta = psta;
520 } else {
521 /* if we cannot get psta => drop the pkt */
522 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
523 ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT
524 "\n", MAC_ARG(pattrib->ra)));
525 res = _FAIL;
526 goto exit;
527 }
528
529 pattrib->ack_policy = 0;
530 /* get ether_hdr_len */
531
532 /* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
533 pattrib->pkt_hdrlen = ETH_HLEN;
534
535 pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
536 pattrib->type = IEEE80211_FTYPE_DATA;
537 pattrib->priority = 0;
538
539 if (check_fwstate(pmlmepriv, WIFI_AP_STATE | WIFI_ADHOC_STATE |
540 WIFI_ADHOC_MASTER_STATE)) {
541 if (psta->qos_option)
542 set_qos(skb, pattrib);
543 } else {
544 if (pmlmepriv->qos_option) {
545 set_qos(skb, pattrib);
546
547 if (pmlmepriv->acm_mask != 0) {
548 pattrib->priority = qos_acm23a(pmlmepriv->acm_mask,
549 pattrib->priority);
550 }
551 }
552 }
553
554 if (psta->ieee8021x_blocked == true) {
555 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
556 ("\n psta->ieee8021x_blocked == true\n"));
557
558 pattrib->encrypt = 0;
559
560 if ((pattrib->ether_type != ETH_P_PAE) &&
561 !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
562 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
563 ("\npsta->ieee8021x_blocked == true, "
564 "pattrib->ether_type(%.4x) != 0x888e\n",
565 pattrib->ether_type));
566 res = _FAIL;
567 goto exit;
568 }
569 } else {
570 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
571
572 switch (psecuritypriv->dot11AuthAlgrthm) {
573 case dot11AuthAlgrthm_Open:
574 case dot11AuthAlgrthm_Shared:
575 case dot11AuthAlgrthm_Auto:
576 pattrib->key_idx =
577 (u8)psecuritypriv->dot11PrivacyKeyIndex;
578 break;
579 case dot11AuthAlgrthm_8021X:
580 if (bmcast)
581 pattrib->key_idx =
582 (u8)psecuritypriv->dot118021XGrpKeyid;
583 else
584 pattrib->key_idx = 0;
585 break;
586 default:
587 pattrib->key_idx = 0;
588 break;
589 }
590
591 }
592
593 switch (pattrib->encrypt) {
594 case WLAN_CIPHER_SUITE_WEP40:
595 case WLAN_CIPHER_SUITE_WEP104:
596 pattrib->iv_len = IEEE80211_WEP_IV_LEN;
597 pattrib->icv_len = IEEE80211_WEP_ICV_LEN;
598 break;
599
600 case WLAN_CIPHER_SUITE_TKIP:
601 pattrib->iv_len = IEEE80211_TKIP_IV_LEN;
602 pattrib->icv_len = IEEE80211_TKIP_ICV_LEN;
603
604 if (!padapter->securitypriv.busetkipkey) {
605 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
606 ("\npadapter->securitypriv.busetkip"
607 "key(%d) == false drop packet\n",
608 padapter->securitypriv.busetkipkey));
609 res = _FAIL;
610 goto exit;
611 }
612
613 break;
614 case WLAN_CIPHER_SUITE_CCMP:
615 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
616 ("pattrib->encrypt =%d (WLAN_CIPHER_SUITE_CCMP)\n",
617 pattrib->encrypt));
618 pattrib->iv_len = IEEE80211_CCMP_HDR_LEN;
619 pattrib->icv_len = IEEE80211_CCMP_MIC_LEN;
620 break;
621
622 default:
623 pattrib->iv_len = 0;
624 pattrib->icv_len = 0;
625 break;
626 }
627
628 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
629 ("update_attrib: encrypt =%d\n", pattrib->encrypt));
630
631 if (pattrib->encrypt && !psecuritypriv->hw_decrypted) {
632 pattrib->bswenc = true;
633 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
634 ("update_attrib: encrypt =%d bswenc = true\n",
635 pattrib->encrypt));
636 } else {
637 pattrib->bswenc = false;
638 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
639 ("update_attrib: bswenc = false\n"));
640 }
641 update_attrib_phy_info(pattrib, psta);
642
643 exit:
644
645 return res;
646 }
647
xmitframe_addmic(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)648 static int xmitframe_addmic(struct rtw_adapter *padapter,
649 struct xmit_frame *pxmitframe) {
650 struct mic_data micdata;
651 struct sta_info *stainfo;
652 struct pkt_attrib *pattrib = &pxmitframe->attrib;
653 struct security_priv *psecuritypriv = &padapter->securitypriv;
654 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
655 int curfragnum, length;
656 u8 *pframe, *payload, mic[8];
657 u8 priority[4]= {0x0, 0x0, 0x0, 0x0};
658 u8 hw_hdr_offset = 0;
659 int bmcst = is_multicast_ether_addr(pattrib->ra);
660
661 if (pattrib->psta) {
662 stainfo = pattrib->psta;
663 } else {
664 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
665 stainfo = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
666 }
667
668 if (!stainfo) {
669 DBG_8723A("%s, psta == NUL\n", __func__);
670 return _FAIL;
671 }
672
673 if (!(stainfo->state &_FW_LINKED)) {
674 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
675 __func__, stainfo->state);
676 return _FAIL;
677 }
678
679 hw_hdr_offset = TXDESC_OFFSET;
680
681 if (pattrib->encrypt == WLAN_CIPHER_SUITE_TKIP) {
682 /* encode mic code */
683 if (stainfo) {
684 u8 null_key[16]={0x0, 0x0, 0x0, 0x0,
685 0x0, 0x0, 0x0, 0x0,
686 0x0, 0x0, 0x0, 0x0,
687 0x0, 0x0, 0x0, 0x0};
688
689 pframe = pxmitframe->buf_addr + hw_hdr_offset;
690
691 if (bmcst) {
692 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
693 return _FAIL;
694 }
695 /* start to calculate the mic code */
696 rtw_secmicsetkey23a(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
697 } else {
698 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0],
699 null_key, 16)) {
700 return _FAIL;
701 }
702 /* start to calculate the mic code */
703 rtw_secmicsetkey23a(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
704 }
705
706 if (pframe[1] & 1) { /* ToDS == 1 */
707 /* DA */
708 rtw_secmicappend23a(&micdata, &pframe[16], 6);
709 if (pframe[1] & 2) /* From Ds == 1 */
710 rtw_secmicappend23a(&micdata,
711 &pframe[24], 6);
712 else
713 rtw_secmicappend23a(&micdata,
714 &pframe[10], 6);
715 } else { /* ToDS == 0 */
716 /* DA */
717 rtw_secmicappend23a(&micdata, &pframe[4], 6);
718 if (pframe[1] & 2) /* From Ds == 1 */
719 rtw_secmicappend23a(&micdata,
720 &pframe[16], 6);
721 else
722 rtw_secmicappend23a(&micdata,
723 &pframe[10], 6);
724 }
725
726 /* if (pmlmepriv->qos_option == 1) */
727 if (pattrib->qos_en)
728 priority[0] = (u8)pxmitframe->attrib.priority;
729
730 rtw_secmicappend23a(&micdata, &priority[0], 4);
731
732 payload = pframe;
733
734 for (curfragnum = 0; curfragnum < pattrib->nr_frags;
735 curfragnum++) {
736 payload = PTR_ALIGN(payload, 4);
737 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
738 ("=== curfragnum =%d, pframe = 0x%.2x, "
739 "0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x"
740 "%.2x, 0x%.2x, 0x%.2x,!!!\n",
741 curfragnum, *payload, *(payload + 1),
742 *(payload + 2), *(payload + 3),
743 *(payload + 4), *(payload + 5),
744 *(payload + 6), *(payload + 7)));
745
746 payload = payload + pattrib->hdrlen +
747 pattrib->iv_len;
748 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
749 ("curfragnum =%d pattrib->hdrlen =%d "
750 "pattrib->iv_len =%d", curfragnum,
751 pattrib->hdrlen, pattrib->iv_len));
752 if ((curfragnum + 1) == pattrib->nr_frags) {
753 length = pattrib->last_txcmdsz -
754 pattrib->hdrlen -
755 pattrib->iv_len -
756 ((pattrib->bswenc) ?
757 pattrib->icv_len : 0);
758 rtw_secmicappend23a(&micdata, payload,
759 length);
760 payload = payload + length;
761 } else {
762 length = pxmitpriv->frag_len -
763 pattrib->hdrlen -
764 pattrib->iv_len -
765 ((pattrib->bswenc) ?
766 pattrib->icv_len : 0);
767 rtw_secmicappend23a(&micdata, payload,
768 length);
769 payload = payload + length +
770 pattrib->icv_len;
771 RT_TRACE(_module_rtl871x_xmit_c_,
772 _drv_err_,
773 ("curfragnum =%d length =%d "
774 "pattrib->icv_len =%d",
775 curfragnum, length,
776 pattrib->icv_len));
777 }
778 }
779 rtw_secgetmic23a(&micdata, &mic[0]);
780 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
781 ("xmitframe_addmic: before add mic code!!\n"));
782 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
783 ("xmitframe_addmic: pattrib->last_txcmdsz ="
784 "%d!!!\n", pattrib->last_txcmdsz));
785 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
786 ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]="
787 "0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n"
788 "mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x "
789 ", mic[7]= 0x%.2x !!!!\n", mic[0], mic[1],
790 mic[2], mic[3], mic[4], mic[5], mic[6],
791 mic[7]));
792 /* add mic code and add the mic code length
793 in last_txcmdsz */
794
795 memcpy(payload, &mic[0], 8);
796 pattrib->last_txcmdsz += 8;
797
798 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
799 ("\n ======== last pkt ========\n"));
800 payload = payload - pattrib->last_txcmdsz + 8;
801 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz;
802 curfragnum = curfragnum + 8)
803 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
804 (" %.2x, %.2x, %.2x, %.2x, %.2x, "
805 " %.2x, %.2x, %.2x ",
806 *(payload + curfragnum),
807 *(payload + curfragnum + 1),
808 *(payload + curfragnum + 2),
809 *(payload + curfragnum + 3),
810 *(payload + curfragnum + 4),
811 *(payload + curfragnum + 5),
812 *(payload + curfragnum + 6),
813 *(payload + curfragnum + 7)));
814 } else {
815 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
816 ("xmitframe_addmic: rtw_get_stainfo23a =="
817 "NULL!!!\n"));
818 }
819 }
820
821 return _SUCCESS;
822 }
823
xmitframe_swencrypt(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)824 static int xmitframe_swencrypt(struct rtw_adapter *padapter,
825 struct xmit_frame *pxmitframe)
826 {
827 struct pkt_attrib *pattrib = &pxmitframe->attrib;
828
829 /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
830 if (pattrib->bswenc) {
831 /* DBG_8723A("start xmitframe_swencrypt\n"); */
832 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
833 ("### xmitframe_swencrypt\n"));
834 switch (pattrib->encrypt) {
835 case WLAN_CIPHER_SUITE_WEP40:
836 case WLAN_CIPHER_SUITE_WEP104:
837 rtw_wep_encrypt23a(padapter, pxmitframe);
838 break;
839 case WLAN_CIPHER_SUITE_TKIP:
840 rtw_tkip_encrypt23a(padapter, pxmitframe);
841 break;
842 case WLAN_CIPHER_SUITE_CCMP:
843 rtw_aes_encrypt23a(padapter, pxmitframe);
844 break;
845 default:
846 break;
847 }
848
849 } else {
850 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
851 ("### xmitframe_hwencrypt\n"));
852 }
853
854 return _SUCCESS;
855 }
856
rtw_make_wlanhdr(struct rtw_adapter * padapter,u8 * hdr,struct pkt_attrib * pattrib)857 static int rtw_make_wlanhdr(struct rtw_adapter *padapter, u8 *hdr,
858 struct pkt_attrib *pattrib)
859 {
860 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
861 struct ieee80211_qos_hdr *qoshdr;
862 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
863 u8 qos_option = false;
864 int res = _SUCCESS;
865
866 struct sta_info *psta;
867
868 int bmcst = is_multicast_ether_addr(pattrib->ra);
869
870 if (pattrib->psta) {
871 psta = pattrib->psta;
872 } else {
873 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
874 if (bmcst) {
875 psta = rtw_get_bcmc_stainfo23a(padapter);
876 } else {
877 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
878 }
879 }
880
881 if (psta == NULL) {
882 DBG_8723A("%s, psta == NUL\n", __func__);
883 return _FAIL;
884 }
885
886 if (!(psta->state &_FW_LINKED)) {
887 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
888 return _FAIL;
889 }
890
891 memset(hdr, 0, WLANHDR_OFFSET);
892
893 pwlanhdr->frame_control = cpu_to_le16(pattrib->type);
894
895 if (pattrib->type & IEEE80211_FTYPE_DATA) {
896 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
897 /* to_ds = 1, fr_ds = 0; */
898 /* Data transfer to AP */
899 pwlanhdr->frame_control |=
900 cpu_to_le16(IEEE80211_FCTL_TODS);
901 ether_addr_copy(pwlanhdr->addr1, get_bssid(pmlmepriv));
902 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
903 ether_addr_copy(pwlanhdr->addr3, pattrib->dst);
904
905 if (pmlmepriv->qos_option)
906 qos_option = true;
907
908 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
909 /* to_ds = 0, fr_ds = 1; */
910 pwlanhdr->frame_control |=
911 cpu_to_le16(IEEE80211_FCTL_FROMDS);
912 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
913 ether_addr_copy(pwlanhdr->addr2, get_bssid(pmlmepriv));
914 ether_addr_copy(pwlanhdr->addr3, pattrib->src);
915
916 if (psta->qos_option)
917 qos_option = true;
918 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
919 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
920 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
921 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
922 ether_addr_copy(pwlanhdr->addr3, get_bssid(pmlmepriv));
923
924 if (psta->qos_option)
925 qos_option = true;
926 }
927 else {
928 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
929 res = _FAIL;
930 goto exit;
931 }
932 if (pattrib->mdata)
933 pwlanhdr->frame_control |=
934 cpu_to_le16(IEEE80211_FCTL_MOREDATA);
935 if (pattrib->encrypt)
936 pwlanhdr->frame_control |=
937 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
938 if (qos_option) {
939 qoshdr = (struct ieee80211_qos_hdr *)hdr;
940
941 qoshdr->qos_ctrl = cpu_to_le16(
942 pattrib->priority & IEEE80211_QOS_CTL_TID_MASK);
943
944 qoshdr->qos_ctrl |= cpu_to_le16(
945 (pattrib->ack_policy << 5) &
946 IEEE80211_QOS_CTL_ACK_POLICY_MASK);
947
948 if (pattrib->eosp)
949 qoshdr->qos_ctrl |=
950 cpu_to_le16(IEEE80211_QOS_CTL_EOSP);
951 }
952 /* TODO: fill HT Control Field */
953
954 /* Update Seq Num will be handled by f/w */
955 if (psta) {
956 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
957 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
958 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
959 /* We dont need to worry about frag bits here */
960 pwlanhdr->seq_ctrl = cpu_to_le16(IEEE80211_SN_TO_SEQ(
961 pattrib->seqnum));
962 /* check if enable ampdu */
963 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
964 if (pattrib->priority >= 16)
965 printk(KERN_WARNING "%s: Invalid "
966 "pattrib->priority %i\n",
967 __func__, pattrib->priority);
968 if (psta->htpriv.agg_enable_bitmap &
969 BIT(pattrib->priority))
970 pattrib->ampdu_en = true;
971 }
972 /* re-check if enable ampdu by BA_starting_seqctrl */
973 if (pattrib->ampdu_en) {
974 u16 tx_seq;
975
976 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
977
978 /* check BA_starting_seqctrl */
979 if (SN_LESS(pattrib->seqnum, tx_seq)) {
980 /* DBG_8723A("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */
981 pattrib->ampdu_en = false;/* AGG BK */
982 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
983 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
984 pattrib->ampdu_en = true;/* AGG EN */
985 } else {
986 /* DBG_8723A("tx ampdu over run\n"); */
987 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
988 pattrib->ampdu_en = true;/* AGG EN */
989 }
990 }
991 }
992 }
993 exit:
994 return res;
995 }
996
rtw_txframes_pending23a(struct rtw_adapter * padapter)997 s32 rtw_txframes_pending23a(struct rtw_adapter *padapter)
998 {
999 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1000
1001 return (!list_empty(&pxmitpriv->be_pending.queue)) ||
1002 (!list_empty(&pxmitpriv->bk_pending.queue)) ||
1003 (!list_empty(&pxmitpriv->vi_pending.queue)) ||
1004 (!list_empty(&pxmitpriv->vo_pending.queue));
1005 }
1006
rtw_txframes_sta_ac_pending23a(struct rtw_adapter * padapter,struct pkt_attrib * pattrib)1007 s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
1008 struct pkt_attrib *pattrib)
1009 {
1010 struct sta_info *psta;
1011 struct tx_servq *ptxservq;
1012 int priority = pattrib->priority;
1013
1014 if (pattrib->psta) {
1015 psta = pattrib->psta;
1016 } else {
1017 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1018 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
1019 }
1020 if (psta == NULL) {
1021 DBG_8723A("%s, psta == NUL\n", __func__);
1022 return 0;
1023 }
1024 if (!(psta->state &_FW_LINKED)) {
1025 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1026 psta->state);
1027 return 0;
1028 }
1029 switch (priority) {
1030 case 1:
1031 case 2:
1032 ptxservq = &psta->sta_xmitpriv.bk_q;
1033 break;
1034 case 4:
1035 case 5:
1036 ptxservq = &psta->sta_xmitpriv.vi_q;
1037 break;
1038 case 6:
1039 case 7:
1040 ptxservq = &psta->sta_xmitpriv.vo_q;
1041 break;
1042 case 0:
1043 case 3:
1044 default:
1045 ptxservq = &psta->sta_xmitpriv.be_q;
1046 break;
1047 }
1048 return ptxservq->qcnt;
1049 }
1050
1051 /*
1052 * Calculate wlan 802.11 packet MAX size from pkt_attrib
1053 * This function doesn't consider fragment case
1054 */
rtw_calculate_wlan_pkt_size_by_attribue23a(struct pkt_attrib * pattrib)1055 u32 rtw_calculate_wlan_pkt_size_by_attribue23a(struct pkt_attrib *pattrib)
1056 {
1057 u32 len = 0;
1058
1059 len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
1060 len += SNAP_SIZE + sizeof(u16); /* LLC */
1061 len += pattrib->pktlen;
1062 if (pattrib->encrypt == WLAN_CIPHER_SUITE_TKIP) len += 8; /* MIC */
1063 len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
1064
1065 return len;
1066 }
1067
1068 /*
1069
1070 This sub-routine will perform all the following:
1071
1072 1. remove 802.3 header.
1073 2. create wlan_header, based on the info in pxmitframe
1074 3. append sta's iv/ext-iv
1075 4. append LLC
1076 5. move frag chunk from pframe to pxmitframe->mem
1077 6. apply sw-encrypt, if necessary.
1078
1079 */
rtw_xmitframe_coalesce23a(struct rtw_adapter * padapter,struct sk_buff * skb,struct xmit_frame * pxmitframe)1080 int rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *skb,
1081 struct xmit_frame *pxmitframe)
1082 {
1083 struct sta_info *psta;
1084 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1085 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1086 struct ieee80211_hdr *hdr;
1087 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1088 u8 *pframe, *mem_start;
1089 u8 hw_hdr_offset;
1090 u8 *pbuf_start;
1091 u8 *pdata = skb->data;
1092 int data_len = skb->len;
1093 s32 bmcst = is_multicast_ether_addr(pattrib->ra);
1094 int res = _SUCCESS;
1095
1096 if (pattrib->psta)
1097 psta = pattrib->psta;
1098 else {
1099 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1100 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
1101 }
1102
1103 if (!psta) {
1104 DBG_8723A("%s, psta == NUL\n", __func__);
1105 return _FAIL;
1106 }
1107
1108 if (!(psta->state &_FW_LINKED)) {
1109 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
1110 __func__, psta->state);
1111 return _FAIL;
1112 }
1113
1114 if (!pxmitframe->buf_addr) {
1115 DBG_8723A("==> %s buf_addr == NULL\n", __func__);
1116 return _FAIL;
1117 }
1118
1119 pbuf_start = pxmitframe->buf_addr;
1120
1121 hw_hdr_offset = TXDESC_OFFSET;
1122
1123 mem_start = pbuf_start + hw_hdr_offset;
1124
1125 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1126 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1127 ("%s: rtw_make_wlanhdr fail; drop pkt\n", __func__));
1128 res = _FAIL;
1129 goto exit;
1130 }
1131
1132 pdata += pattrib->pkt_hdrlen;
1133 data_len -= pattrib->pkt_hdrlen;
1134
1135 frg_inx = 0;
1136 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1137
1138 while (1) {
1139 llc_sz = 0;
1140
1141 mpdu_len = frg_len;
1142
1143 pframe = mem_start;
1144 hdr = (struct ieee80211_hdr *)mem_start;
1145
1146 pframe += pattrib->hdrlen;
1147 mpdu_len -= pattrib->hdrlen;
1148
1149 /* adding icv, if necessary... */
1150 if (pattrib->iv_len) {
1151 if (psta) {
1152 switch (pattrib->encrypt) {
1153 case WLAN_CIPHER_SUITE_WEP40:
1154 case WLAN_CIPHER_SUITE_WEP104:
1155 WEP_IV(pattrib->iv, psta->dot11txpn,
1156 pattrib->key_idx);
1157 break;
1158 case WLAN_CIPHER_SUITE_TKIP:
1159 if (bmcst)
1160 TKIP_IV(pattrib->iv,
1161 psta->dot11txpn,
1162 pattrib->key_idx);
1163 else
1164 TKIP_IV(pattrib->iv,
1165 psta->dot11txpn, 0);
1166 break;
1167 case WLAN_CIPHER_SUITE_CCMP:
1168 if (bmcst)
1169 AES_IV(pattrib->iv,
1170 psta->dot11txpn,
1171 pattrib->key_idx);
1172 else
1173 AES_IV(pattrib->iv,
1174 psta->dot11txpn, 0);
1175 break;
1176 }
1177 }
1178
1179 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1180
1181 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1182 ("rtw_xmiaframe_coalesce23a: keyid =%d pattrib"
1183 "->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1184 padapter->securitypriv.dot11PrivacyKeyIndex,
1185 pattrib->iv[3], *pframe, *(pframe+1),
1186 *(pframe+2), *(pframe+3)));
1187 pframe += pattrib->iv_len;
1188 mpdu_len -= pattrib->iv_len;
1189 }
1190 if (frg_inx == 0) {
1191 llc_sz = rtw_put_snap23a(pframe, pattrib->ether_type);
1192 pframe += llc_sz;
1193 mpdu_len -= llc_sz;
1194 }
1195
1196 if (pattrib->icv_len > 0 && pattrib->bswenc)
1197 mpdu_len -= pattrib->icv_len;
1198
1199 if (bmcst)
1200 /* don't do fragment to broadcast/multicast packets */
1201 mem_sz = min_t(s32, data_len, pattrib->pktlen);
1202 else
1203 mem_sz = min_t(s32, data_len, mpdu_len);
1204
1205 memcpy(pframe, pdata, mem_sz);
1206
1207 pframe += mem_sz;
1208 pdata += mem_sz;
1209 data_len -= mem_sz;
1210
1211 if ((pattrib->icv_len >0) && (pattrib->bswenc)) {
1212 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1213 pframe += pattrib->icv_len;
1214 }
1215
1216 frg_inx++;
1217
1218 if (bmcst || data_len <= 0) {
1219 pattrib->nr_frags = frg_inx;
1220
1221 pattrib->last_txcmdsz = pattrib->hdrlen +
1222 pattrib->iv_len +
1223 ((pattrib->nr_frags == 1) ?
1224 llc_sz : 0) +
1225 ((pattrib->bswenc) ?
1226 pattrib->icv_len : 0) + mem_sz;
1227 hdr->frame_control &=
1228 ~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1229
1230 break;
1231 } else {
1232 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1233 ("%s: There're still something in packet!\n",
1234 __func__));
1235 }
1236 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1237
1238 mem_start = PTR_ALIGN(pframe, 4) + hw_hdr_offset;
1239 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1240 }
1241
1242 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1243 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1244 ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1245 DBG_8723A("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1246 res = _FAIL;
1247 goto exit;
1248 }
1249
1250 xmitframe_swencrypt(padapter, pxmitframe);
1251
1252 if (bmcst == false)
1253 update_attrib_vcs_info(padapter, pxmitframe);
1254 else
1255 pattrib->vcs_mode = NONE_VCS;
1256
1257 exit:
1258 return res;
1259 }
1260
1261 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1262 * IEEE LLC/SNAP header contains 8 octets
1263 * First 3 octets comprise the LLC portion
1264 * SNAP portion, 5 octets, is divided into two fields:
1265 * Organizationally Unique Identifier(OUI), 3 octets,
1266 * type, defined by that organization, 2 octets.
1267 */
rtw_put_snap23a(u8 * data,u16 h_proto)1268 s32 rtw_put_snap23a(u8 *data, u16 h_proto)
1269 {
1270 struct ieee80211_snap_hdr *snap;
1271 u8 *oui;
1272
1273 snap = (struct ieee80211_snap_hdr *)data;
1274 snap->dsap = 0xaa;
1275 snap->ssap = 0xaa;
1276 snap->ctrl = 0x03;
1277
1278 if (h_proto == 0x8137 || h_proto == 0x80f3)
1279 oui = P802_1H_OUI;
1280 else
1281 oui = RFC1042_OUI;
1282 snap->oui[0] = oui[0];
1283 snap->oui[1] = oui[1];
1284 snap->oui[2] = oui[2];
1285 *(u16 *)(data + SNAP_SIZE) = htons(h_proto);
1286 return SNAP_SIZE + sizeof(u16);
1287 }
1288
rtw_update_protection23a(struct rtw_adapter * padapter,u8 * ie,uint ie_len)1289 void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len)
1290 {
1291 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1292 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1293 uint protection;
1294 const u8 *p;
1295
1296 switch (pxmitpriv->vcs_setting) {
1297 case DISABLE_VCS:
1298 pxmitpriv->vcs = NONE_VCS;
1299 break;
1300 case ENABLE_VCS:
1301 break;
1302 case AUTO_VCS:
1303 default:
1304 p = cfg80211_find_ie(WLAN_EID_ERP_INFO, ie, ie_len);
1305 if (!p)
1306 pxmitpriv->vcs = NONE_VCS;
1307 else {
1308 protection = (*(p + 2)) & BIT(1);
1309 if (protection) {
1310 if (pregistrypriv->vcs_type == RTS_CTS)
1311 pxmitpriv->vcs = RTS_CTS;
1312 else
1313 pxmitpriv->vcs = CTS_TO_SELF;
1314 } else {
1315 pxmitpriv->vcs = NONE_VCS;
1316 }
1317 }
1318 break;
1319 }
1320 }
1321
rtw_count_tx_stats23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe,int sz)1322 void rtw_count_tx_stats23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1323 {
1324 struct sta_info *psta = NULL;
1325 struct stainfo_stats *pstats = NULL;
1326 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1327 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1328
1329 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1330 pxmitpriv->tx_bytes += sz;
1331 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
1332
1333 psta = pxmitframe->attrib.psta;
1334 if (psta) {
1335 pstats = &psta->sta_stats;
1336 pstats->tx_pkts++;
1337 pstats->tx_bytes += sz;
1338 }
1339 }
1340 }
1341
rtw_alloc_xmitbuf23a_ext(struct xmit_priv * pxmitpriv)1342 struct xmit_buf *rtw_alloc_xmitbuf23a_ext(struct xmit_priv *pxmitpriv)
1343 {
1344 unsigned long irqL;
1345 struct xmit_buf *pxmitbuf = NULL;
1346 struct list_head *phead;
1347 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1348
1349 spin_lock_irqsave(&pfree_queue->lock, irqL);
1350
1351 phead = get_list_head(pfree_queue);
1352
1353 if (!list_empty(phead)) {
1354 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1355
1356 list_del_init(&pxmitbuf->list);
1357
1358 pxmitpriv->free_xmit_extbuf_cnt--;
1359 pxmitbuf->priv_data = NULL;
1360 pxmitbuf->ext_tag = true;
1361
1362 if (pxmitbuf->sctx) {
1363 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1364 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1365 }
1366 }
1367
1368 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1369
1370 return pxmitbuf;
1371 }
1372
rtw_free_xmitbuf_ext23a(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1373 int rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv,
1374 struct xmit_buf *pxmitbuf)
1375 {
1376 unsigned long irqL;
1377 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1378
1379 if (pxmitbuf == NULL)
1380 return _FAIL;
1381
1382 spin_lock_irqsave(&pfree_queue->lock, irqL);
1383
1384 list_del_init(&pxmitbuf->list);
1385
1386 list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue));
1387 pxmitpriv->free_xmit_extbuf_cnt++;
1388
1389 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1390
1391 return _SUCCESS;
1392 }
1393
rtw_alloc_xmitbuf23a(struct xmit_priv * pxmitpriv)1394 struct xmit_buf *rtw_alloc_xmitbuf23a(struct xmit_priv *pxmitpriv)
1395 {
1396 unsigned long irqL;
1397 struct xmit_buf *pxmitbuf = NULL;
1398 struct list_head *phead;
1399 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1400
1401 /* DBG_8723A("+rtw_alloc_xmitbuf23a\n"); */
1402
1403 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1404
1405 phead = get_list_head(pfree_xmitbuf_queue);
1406
1407 if (!list_empty(phead)) {
1408 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1409
1410 list_del_init(&pxmitbuf->list);
1411
1412 pxmitpriv->free_xmitbuf_cnt--;
1413 pxmitbuf->priv_data = NULL;
1414 pxmitbuf->ext_tag = false;
1415 pxmitbuf->flags = XMIT_VO_QUEUE;
1416
1417 if (pxmitbuf->sctx) {
1418 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1419 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1420 }
1421 }
1422
1423 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1424
1425 return pxmitbuf;
1426 }
1427
rtw_free_xmitbuf23a(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1428 int rtw_free_xmitbuf23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1429 {
1430 unsigned long irqL;
1431 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1432
1433 /* DBG_8723A("+rtw_free_xmitbuf23a\n"); */
1434
1435 if (pxmitbuf == NULL)
1436 return _FAIL;
1437
1438 if (pxmitbuf->sctx) {
1439 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1440 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1441 }
1442
1443 if (pxmitbuf->ext_tag) {
1444 rtw_free_xmitbuf_ext23a(pxmitpriv, pxmitbuf);
1445 } else {
1446 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1447
1448 list_del_init(&pxmitbuf->list);
1449
1450 list_add_tail(&pxmitbuf->list,
1451 get_list_head(pfree_xmitbuf_queue));
1452
1453 pxmitpriv->free_xmitbuf_cnt++;
1454 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1455 }
1456
1457 return _SUCCESS;
1458 }
1459
rtw_init_xmitframe(struct xmit_frame * pxframe)1460 static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1461 {
1462 if (pxframe != NULL) {
1463 /* default value setting */
1464 pxframe->buf_addr = NULL;
1465 pxframe->pxmitbuf = NULL;
1466
1467 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1468 /* pxframe->attrib.psta = NULL; */
1469
1470 pxframe->frame_tag = DATA_FRAMETAG;
1471
1472 pxframe->pkt = NULL;
1473 pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1474
1475 pxframe->ack_report = 0;
1476 }
1477 }
1478
1479 /*
1480 Calling context:
1481 1. OS_TXENTRY
1482 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1483
1484 If we turn on USE_RXTHREAD, then, no need for critical section.
1485 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1486
1487 Must be very very cautious...
1488
1489 */
rtw_alloc_xmitframe(struct xmit_priv * pxmitpriv)1490 static struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1491 {
1492 struct xmit_frame *pxframe = NULL;
1493 struct list_head *plist, *phead;
1494 struct rtw_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1495
1496 spin_lock_bh(&pfree_xmit_queue->lock);
1497
1498 if (list_empty(&pfree_xmit_queue->queue)) {
1499 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1500 ("rtw_alloc_xmitframe:%d\n",
1501 pxmitpriv->free_xmitframe_cnt));
1502 pxframe = NULL;
1503 } else {
1504 phead = get_list_head(pfree_xmit_queue);
1505
1506 plist = phead->next;
1507
1508 pxframe = container_of(plist, struct xmit_frame, list);
1509
1510 list_del_init(&pxframe->list);
1511 pxmitpriv->free_xmitframe_cnt--;
1512 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1513 ("rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n",
1514 pxmitpriv->free_xmitframe_cnt));
1515 }
1516
1517 spin_unlock_bh(&pfree_xmit_queue->lock);
1518
1519 rtw_init_xmitframe(pxframe);
1520
1521 return pxframe;
1522 }
1523
rtw_alloc_xmitframe23a_ext(struct xmit_priv * pxmitpriv)1524 struct xmit_frame *rtw_alloc_xmitframe23a_ext(struct xmit_priv *pxmitpriv)
1525 {
1526 struct xmit_frame *pxframe = NULL;
1527 struct list_head *plist, *phead;
1528 struct rtw_queue *queue = &pxmitpriv->free_xframe_ext_queue;
1529
1530 spin_lock_bh(&queue->lock);
1531
1532 if (list_empty(&queue->queue)) {
1533 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a_ext:%d\n", pxmitpriv->free_xframe_ext_cnt));
1534 pxframe = NULL;
1535 } else {
1536 phead = get_list_head(queue);
1537 plist = phead->next;
1538 pxframe = container_of(plist, struct xmit_frame, list);
1539
1540 list_del_init(&pxframe->list);
1541 pxmitpriv->free_xframe_ext_cnt--;
1542 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe23a_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1543 }
1544
1545 spin_unlock_bh(&queue->lock);
1546
1547 rtw_init_xmitframe(pxframe);
1548
1549 return pxframe;
1550 }
1551
rtw_free_xmitframe23a(struct xmit_priv * pxmitpriv,struct xmit_frame * pxmitframe)1552 s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1553 {
1554 struct rtw_queue *queue = NULL;
1555 struct rtw_adapter *padapter = pxmitpriv->adapter;
1556 struct sk_buff *pndis_pkt = NULL;
1557
1558 if (pxmitframe == NULL) {
1559 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe23a():pxmitframe == NULL!!!!!!!!!!\n"));
1560 goto exit;
1561 }
1562
1563 if (pxmitframe->pkt) {
1564 pndis_pkt = pxmitframe->pkt;
1565 pxmitframe->pkt = NULL;
1566 }
1567
1568 if (pxmitframe->ext_tag == 0)
1569 queue = &pxmitpriv->free_xmit_queue;
1570 else if (pxmitframe->ext_tag == 1)
1571 queue = &pxmitpriv->free_xframe_ext_queue;
1572
1573 if (!queue)
1574 goto check_pkt_complete;
1575 spin_lock_bh(&queue->lock);
1576
1577 list_del_init(&pxmitframe->list);
1578 list_add_tail(&pxmitframe->list, get_list_head(queue));
1579 if (pxmitframe->ext_tag == 0) {
1580 pxmitpriv->free_xmitframe_cnt++;
1581 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe23a():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1582 } else if (pxmitframe->ext_tag == 1) {
1583 pxmitpriv->free_xframe_ext_cnt++;
1584 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe23a():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1585 }
1586
1587 spin_unlock_bh(&queue->lock);
1588
1589 check_pkt_complete:
1590
1591 if (pndis_pkt)
1592 rtw_os_pkt_complete23a(padapter, pndis_pkt);
1593
1594 exit:
1595
1596 return _SUCCESS;
1597 }
1598
rtw_free_xmitframe_queue23a(struct xmit_priv * pxmitpriv,struct rtw_queue * pframequeue)1599 void rtw_free_xmitframe_queue23a(struct xmit_priv *pxmitpriv,
1600 struct rtw_queue *pframequeue)
1601 {
1602 struct list_head *plist, *phead, *ptmp;
1603 struct xmit_frame *pxmitframe;
1604
1605 spin_lock_bh(&pframequeue->lock);
1606
1607 phead = get_list_head(pframequeue);
1608
1609 list_for_each_safe(plist, ptmp, phead) {
1610 pxmitframe = container_of(plist, struct xmit_frame, list);
1611
1612 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1613 }
1614 spin_unlock_bh(&pframequeue->lock);
1615
1616 }
1617
rtw_xmitframe_enqueue23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1618 int rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
1619 struct xmit_frame *pxmitframe)
1620 {
1621 if (rtw_xmit23a_classifier(padapter, pxmitframe) == _FAIL) {
1622 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1623 ("rtw_xmitframe_enqueue23a: drop xmit pkt for "
1624 "classifier fail\n"));
1625 return _FAIL;
1626 }
1627
1628 return _SUCCESS;
1629 }
1630
1631 static struct xmit_frame *
dequeue_one_xmitframe(struct xmit_priv * pxmitpriv,struct hw_xmit * phwxmit,struct tx_servq * ptxservq,struct rtw_queue * pframe_queue)1632 dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit,
1633 struct tx_servq *ptxservq, struct rtw_queue *pframe_queue)
1634 {
1635 struct list_head *phead;
1636 struct xmit_frame *pxmitframe = NULL;
1637
1638 phead = get_list_head(pframe_queue);
1639
1640 if (!list_empty(phead)) {
1641 pxmitframe = list_first_entry(phead, struct xmit_frame, list);
1642 list_del_init(&pxmitframe->list);
1643 ptxservq->qcnt--;
1644 }
1645 return pxmitframe;
1646 }
1647
1648 struct xmit_frame *
rtw_dequeue_xframe23a(struct xmit_priv * pxmitpriv,struct hw_xmit * phwxmit_i,int entry)1649 rtw_dequeue_xframe23a(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i,
1650 int entry)
1651 {
1652 struct list_head *sta_plist, *sta_phead, *ptmp;
1653 struct hw_xmit *phwxmit;
1654 struct tx_servq *ptxservq = NULL;
1655 struct rtw_queue *pframe_queue = NULL;
1656 struct xmit_frame *pxmitframe = NULL;
1657 struct rtw_adapter *padapter = pxmitpriv->adapter;
1658 struct registry_priv *pregpriv = &padapter->registrypriv;
1659 int i, inx[4];
1660
1661 inx[0] = 0;
1662 inx[1] = 1;
1663 inx[2] = 2;
1664 inx[3] = 3;
1665 if (pregpriv->wifi_spec == 1) {
1666 int j;
1667
1668 for (j = 0; j < 4; j++)
1669 inx[j] = pxmitpriv->wmm_para_seq[j];
1670 }
1671
1672 spin_lock_bh(&pxmitpriv->lock);
1673
1674 for (i = 0; i < entry; i++) {
1675 phwxmit = phwxmit_i + inx[i];
1676
1677 sta_phead = get_list_head(phwxmit->sta_queue);
1678
1679 list_for_each_safe(sta_plist, ptmp, sta_phead) {
1680 ptxservq = container_of(sta_plist, struct tx_servq,
1681 tx_pending);
1682
1683 pframe_queue = &ptxservq->sta_pending;
1684
1685 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1686
1687 if (pxmitframe) {
1688 phwxmit->accnt--;
1689
1690 /* Remove sta node when there is no pending packets. */
1691 /* must be done after get_next and
1692 before break */
1693 if (list_empty(&pframe_queue->queue))
1694 list_del_init(&ptxservq->tx_pending);
1695 goto exit;
1696 }
1697 }
1698 }
1699 exit:
1700 spin_unlock_bh(&pxmitpriv->lock);
1701 return pxmitframe;
1702 }
1703
rtw_get_sta_pending23a(struct rtw_adapter * padapter,struct sta_info * psta,int up,u8 * ac)1704 struct tx_servq *rtw_get_sta_pending23a(struct rtw_adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1705 {
1706 struct tx_servq *ptxservq = NULL;
1707
1708 switch (up) {
1709 case 1:
1710 case 2:
1711 ptxservq = &psta->sta_xmitpriv.bk_q;
1712 *(ac) = 3;
1713 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : BK\n"));
1714 break;
1715 case 4:
1716 case 5:
1717 ptxservq = &psta->sta_xmitpriv.vi_q;
1718 *(ac) = 1;
1719 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : VI\n"));
1720 break;
1721 case 6:
1722 case 7:
1723 ptxservq = &psta->sta_xmitpriv.vo_q;
1724 *(ac) = 0;
1725 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : VO\n"));
1726 break;
1727 case 0:
1728 case 3:
1729 default:
1730 ptxservq = &psta->sta_xmitpriv.be_q;
1731 *(ac) = 2;
1732 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending23a : BE\n"));
1733 break;
1734 }
1735 return ptxservq;
1736 }
1737
1738 /*
1739 * Will enqueue pxmitframe to the proper queue,
1740 * and indicate it to xx_pending list.....
1741 */
rtw_xmit23a_classifier(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1742 int rtw_xmit23a_classifier(struct rtw_adapter *padapter,
1743 struct xmit_frame *pxmitframe)
1744 {
1745 struct sta_info *psta;
1746 struct tx_servq *ptxservq;
1747 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1748 struct sta_priv *pstapriv = &padapter->stapriv;
1749 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1750 u8 ac_index;
1751 int res = _SUCCESS;
1752
1753 if (pattrib->psta) {
1754 psta = pattrib->psta;
1755 } else {
1756 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1757 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1758 }
1759 if (psta == NULL) {
1760 res = _FAIL;
1761 DBG_8723A("rtw_xmit23a_classifier: psta == NULL\n");
1762 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1763 ("rtw_xmit23a_classifier: psta == NULL\n"));
1764 goto exit;
1765 }
1766 if (!(psta->state & _FW_LINKED)) {
1767 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1768 psta->state);
1769 return _FAIL;
1770 }
1771 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority,
1772 (u8 *)(&ac_index));
1773
1774 if (list_empty(&ptxservq->tx_pending)) {
1775 list_add_tail(&ptxservq->tx_pending,
1776 get_list_head(phwxmits[ac_index].sta_queue));
1777 }
1778
1779 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1780 ptxservq->qcnt++;
1781 phwxmits[ac_index].accnt++;
1782 exit:
1783 return res;
1784 }
1785
rtw_alloc_hwxmits23a(struct rtw_adapter * padapter)1786 void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter)
1787 {
1788 struct hw_xmit *hwxmits;
1789 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1790 int size;
1791
1792 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1793
1794 size = sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
1795 pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
1796
1797 hwxmits = pxmitpriv->hwxmits;
1798
1799 if (pxmitpriv->hwxmit_entry == 5) {
1800 /* pxmitpriv->bmc_txqueue.head = 0; */
1801 /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
1802 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
1803
1804 /* pxmitpriv->vo_txqueue.head = 0; */
1805 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1806 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
1807
1808 /* pxmitpriv->vi_txqueue.head = 0; */
1809 /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1810 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
1811
1812 /* pxmitpriv->bk_txqueue.head = 0; */
1813 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1814 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1815
1816 /* pxmitpriv->be_txqueue.head = 0; */
1817 /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
1818 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
1819
1820 } else if (pxmitpriv->hwxmit_entry == 4) {
1821
1822 /* pxmitpriv->vo_txqueue.head = 0; */
1823 /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1824 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1825
1826 /* pxmitpriv->vi_txqueue.head = 0; */
1827 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1828 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1829
1830 /* pxmitpriv->be_txqueue.head = 0; */
1831 /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
1832 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1833
1834 /* pxmitpriv->bk_txqueue.head = 0; */
1835 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1836 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1837 } else {
1838
1839 }
1840 }
1841
rtw_free_hwxmits23a(struct rtw_adapter * padapter)1842 void rtw_free_hwxmits23a(struct rtw_adapter *padapter)
1843 {
1844 struct hw_xmit *hwxmits;
1845 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1846
1847 hwxmits = pxmitpriv->hwxmits;
1848 kfree(hwxmits);
1849 }
1850
rtw_init_hwxmits23a(struct hw_xmit * phwxmit,int entry)1851 void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry)
1852 {
1853 int i;
1854
1855 for (i = 0; i < entry; i++, phwxmit++)
1856 phwxmit->accnt = 0;
1857 }
1858
rtw_get_ff_hwaddr23a(struct xmit_frame * pxmitframe)1859 u32 rtw_get_ff_hwaddr23a(struct xmit_frame *pxmitframe)
1860 {
1861 u32 addr;
1862 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1863
1864 switch (pattrib->qsel) {
1865 case 0:
1866 case 3:
1867 addr = BE_QUEUE_INX;
1868 break;
1869 case 1:
1870 case 2:
1871 addr = BK_QUEUE_INX;
1872 break;
1873 case 4:
1874 case 5:
1875 addr = VI_QUEUE_INX;
1876 break;
1877 case 6:
1878 case 7:
1879 addr = VO_QUEUE_INX;
1880 break;
1881 case 0x10:
1882 addr = BCN_QUEUE_INX;
1883 break;
1884 case 0x11:/* BC/MC in PS (HIQ) */
1885 addr = HIGH_QUEUE_INX;
1886 break;
1887 case 0x12:
1888 default:
1889 addr = MGT_QUEUE_INX;
1890 break;
1891 }
1892
1893 return addr;
1894 }
1895
do_queue_select(struct rtw_adapter * padapter,struct pkt_attrib * pattrib)1896 static void do_queue_select(struct rtw_adapter *padapter, struct pkt_attrib *pattrib)
1897 {
1898 u8 qsel;
1899
1900 qsel = pattrib->priority;
1901 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1902 ("### do_queue_select priority =%d , qsel = %d\n",
1903 pattrib->priority, qsel));
1904
1905 pattrib->qsel = qsel;
1906 }
1907
1908 /*
1909 * The main transmit(tx) entry
1910 *
1911 * Return
1912 * 1 enqueue
1913 * 0 success, hardware will handle this xmit frame(packet)
1914 * <0 fail
1915 */
rtw_xmit23a(struct rtw_adapter * padapter,struct sk_buff * skb)1916 int rtw_xmit23a(struct rtw_adapter *padapter, struct sk_buff *skb)
1917 {
1918 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1919 struct xmit_frame *pxmitframe = NULL;
1920 int res;
1921
1922 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1923
1924 if (pxmitframe == NULL) {
1925 RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1926 ("rtw_xmit23a: no more pxmitframe\n"));
1927 return -1;
1928 }
1929
1930 res = update_attrib(padapter, skb, &pxmitframe->attrib);
1931
1932 if (res == _FAIL) {
1933 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit23a: update attrib fail\n"));
1934 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1935 return -1;
1936 }
1937 pxmitframe->pkt = skb;
1938
1939 rtw_led_control(padapter, LED_CTL_TX);
1940
1941 do_queue_select(padapter, &pxmitframe->attrib);
1942
1943 #ifdef CONFIG_8723AU_AP_MODE
1944 spin_lock_bh(&pxmitpriv->lock);
1945 if (xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe)) {
1946 spin_unlock_bh(&pxmitpriv->lock);
1947 return 1;
1948 }
1949 spin_unlock_bh(&pxmitpriv->lock);
1950 #endif
1951
1952 if (rtl8723au_hal_xmit(padapter, pxmitframe) == false)
1953 return 1;
1954
1955 return 0;
1956 }
1957
1958 #if defined(CONFIG_8723AU_AP_MODE)
1959
xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1960 int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
1961 {
1962 int ret = false;
1963 struct sta_info *psta = NULL;
1964 struct sta_priv *pstapriv = &padapter->stapriv;
1965 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1966 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1967 int bmcst = is_multicast_ether_addr(pattrib->ra);
1968
1969 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
1970 return ret;
1971
1972 if (pattrib->psta) {
1973 psta = pattrib->psta;
1974 } else {
1975 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1976 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1977 }
1978
1979 if (psta == NULL) {
1980 DBG_8723A("%s, psta == NUL\n", __func__);
1981 return false;
1982 }
1983
1984 if (!(psta->state & _FW_LINKED)) {
1985 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1986 psta->state);
1987 return false;
1988 }
1989
1990 if (pattrib->triggered == 1) {
1991 if (bmcst)
1992 pattrib->qsel = 0x11;/* HIQ */
1993 return ret;
1994 }
1995
1996 if (bmcst) {
1997 spin_lock_bh(&psta->sleep_q.lock);
1998
1999 if (pstapriv->sta_dz_bitmap) {
2000 /* if anyone sta is in ps mode */
2001 list_del_init(&pxmitframe->list);
2002
2003 /* spin_lock_bh(&psta->sleep_q.lock); */
2004
2005 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2006
2007 psta->sleepq_len++;
2008
2009 pstapriv->tim_bitmap |= BIT(0);/* */
2010 pstapriv->sta_dz_bitmap |= BIT(0);
2011
2012 /* DBG_8723A("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
2013
2014 /* tx bc/mc packets after update bcn */
2015 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2016
2017 /* spin_unlock_bh(&psta->sleep_q.lock); */
2018
2019 ret = true;
2020
2021 }
2022
2023 spin_unlock_bh(&psta->sleep_q.lock);
2024
2025 return ret;
2026
2027 }
2028
2029 spin_lock_bh(&psta->sleep_q.lock);
2030
2031 if (psta->state&WIFI_SLEEP_STATE) {
2032 u8 wmmps_ac = 0;
2033
2034 if (pstapriv->sta_dz_bitmap & CHKBIT(psta->aid)) {
2035 list_del_init(&pxmitframe->list);
2036
2037 /* spin_lock_bh(&psta->sleep_q.lock); */
2038
2039 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2040
2041 psta->sleepq_len++;
2042
2043 switch (pattrib->priority) {
2044 case 1:
2045 case 2:
2046 wmmps_ac = psta->uapsd_bk & BIT(0);
2047 break;
2048 case 4:
2049 case 5:
2050 wmmps_ac = psta->uapsd_vi & BIT(0);
2051 break;
2052 case 6:
2053 case 7:
2054 wmmps_ac = psta->uapsd_vo & BIT(0);
2055 break;
2056 case 0:
2057 case 3:
2058 default:
2059 wmmps_ac = psta->uapsd_be & BIT(0);
2060 break;
2061 }
2062
2063 if (wmmps_ac)
2064 psta->sleepq_ac_len++;
2065
2066 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
2067 ((!psta->has_legacy_ac) && (wmmps_ac))) {
2068 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
2069
2070 if (psta->sleepq_len == 1) {
2071 /* update BCN for TIM IE */
2072 update_beacon23a(padapter, WLAN_EID_TIM,
2073 NULL, false);
2074 }
2075 }
2076
2077 /* spin_unlock_bh(&psta->sleep_q.lock); */
2078
2079 /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
2080 /* */
2081 /* wakeup_sta_to_xmit23a(padapter, psta); */
2082 /* */
2083
2084 ret = true;
2085
2086 }
2087
2088 }
2089
2090 spin_unlock_bh(&psta->sleep_q.lock);
2091
2092 return ret;
2093 }
2094
2095 static void
dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter * padapter,struct sta_info * psta,struct rtw_queue * pframequeue)2096 dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter *padapter,
2097 struct sta_info *psta,
2098 struct rtw_queue *pframequeue)
2099 {
2100 int ret;
2101 struct list_head *plist, *phead, *ptmp;
2102 u8 ac_index;
2103 struct tx_servq *ptxservq;
2104 struct pkt_attrib *pattrib;
2105 struct xmit_frame *pxmitframe;
2106 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2107
2108 phead = get_list_head(pframequeue);
2109
2110 list_for_each_safe(plist, ptmp, phead) {
2111 pxmitframe = container_of(plist, struct xmit_frame, list);
2112
2113 ret = xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe);
2114
2115 if (ret == true) {
2116 pattrib = &pxmitframe->attrib;
2117
2118 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2119
2120 ptxservq->qcnt--;
2121 phwxmits[ac_index].accnt--;
2122 } else {
2123 /* DBG_8723A("xmitframe_enqueue_for_sleeping_sta23a return false\n"); */
2124 }
2125 }
2126 }
2127
stop_sta_xmit23a(struct rtw_adapter * padapter,struct sta_info * psta)2128 void stop_sta_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2129 {
2130 struct sta_info *psta_bmc;
2131 struct sta_xmit_priv *pstaxmitpriv;
2132 struct sta_priv *pstapriv = &padapter->stapriv;
2133 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2134
2135 pstaxmitpriv = &psta->sta_xmitpriv;
2136
2137 /* for BC/MC Frames */
2138 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2139
2140 spin_lock_bh(&pxmitpriv->lock);
2141
2142 psta->state |= WIFI_SLEEP_STATE;
2143
2144 pstapriv->sta_dz_bitmap |= CHKBIT(psta->aid);
2145
2146 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2147 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
2148
2149 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2150 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
2151
2152 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2153 &pstaxmitpriv->be_q.sta_pending);
2154 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2155
2156 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2157 &pstaxmitpriv->bk_q.sta_pending);
2158 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
2159
2160 /* for BC/MC Frames */
2161 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2162 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc,
2163 &pstaxmitpriv->be_q.sta_pending);
2164 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2165
2166 spin_unlock_bh(&pxmitpriv->lock);
2167 }
2168
wakeup_sta_to_xmit23a(struct rtw_adapter * padapter,struct sta_info * psta)2169 void wakeup_sta_to_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2170 {
2171 u8 update_mask = 0, wmmps_ac = 0;
2172 struct sta_info *psta_bmc;
2173 struct list_head *plist, *phead, *ptmp;
2174 struct xmit_frame *pxmitframe = NULL;
2175 struct sta_priv *pstapriv = &padapter->stapriv;
2176 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2177
2178 spin_lock_bh(&pxmitpriv->lock);
2179
2180 phead = get_list_head(&psta->sleep_q);
2181
2182 list_for_each_safe(plist, ptmp, phead) {
2183 pxmitframe = container_of(plist, struct xmit_frame, list);
2184 list_del_init(&pxmitframe->list);
2185
2186 switch (pxmitframe->attrib.priority) {
2187 case 1:
2188 case 2:
2189 wmmps_ac = psta->uapsd_bk & BIT(1);
2190 break;
2191 case 4:
2192 case 5:
2193 wmmps_ac = psta->uapsd_vi & BIT(1);
2194 break;
2195 case 6:
2196 case 7:
2197 wmmps_ac = psta->uapsd_vo & BIT(1);
2198 break;
2199 case 0:
2200 case 3:
2201 default:
2202 wmmps_ac = psta->uapsd_be & BIT(1);
2203 break;
2204 }
2205
2206 psta->sleepq_len--;
2207 if (psta->sleepq_len > 0)
2208 pxmitframe->attrib.mdata = 1;
2209 else
2210 pxmitframe->attrib.mdata = 0;
2211
2212 if (wmmps_ac) {
2213 psta->sleepq_ac_len--;
2214 if (psta->sleepq_ac_len > 0) {
2215 pxmitframe->attrib.mdata = 1;
2216 pxmitframe->attrib.eosp = 0;
2217 } else {
2218 pxmitframe->attrib.mdata = 0;
2219 pxmitframe->attrib.eosp = 1;
2220 }
2221 }
2222
2223 pxmitframe->attrib.triggered = 1;
2224 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2225 }
2226
2227 if (psta->sleepq_len == 0) {
2228 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2229
2230 /* update BCN for TIM IE */
2231 update_mask = BIT(0);
2232
2233 if (psta->state&WIFI_SLEEP_STATE)
2234 psta->state ^= WIFI_SLEEP_STATE;
2235
2236 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2237 psta->expire_to = pstapriv->expire_to;
2238 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2239 }
2240
2241 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
2242 }
2243
2244 /* spin_unlock_bh(&psta->sleep_q.lock); */
2245 spin_unlock_bh(&pxmitpriv->lock);
2246
2247 /* for BC/MC Frames */
2248 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2249 if (!psta_bmc)
2250 return;
2251
2252 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
2253 /* no any sta in ps mode */
2254 spin_lock_bh(&pxmitpriv->lock);
2255
2256 phead = get_list_head(&psta_bmc->sleep_q);
2257
2258 list_for_each_safe(plist, ptmp, phead) {
2259 pxmitframe = container_of(plist, struct xmit_frame,
2260 list);
2261
2262 list_del_init(&pxmitframe->list);
2263
2264 psta_bmc->sleepq_len--;
2265 if (psta_bmc->sleepq_len > 0)
2266 pxmitframe->attrib.mdata = 1;
2267 else
2268 pxmitframe->attrib.mdata = 0;
2269
2270 pxmitframe->attrib.triggered = 1;
2271 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2272 }
2273 if (psta_bmc->sleepq_len == 0) {
2274 pstapriv->tim_bitmap &= ~BIT(0);
2275 pstapriv->sta_dz_bitmap &= ~BIT(0);
2276
2277 /* update BCN for TIM IE */
2278 /* update_BCNTIM(padapter); */
2279 update_mask |= BIT(1);
2280 }
2281
2282 /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
2283 spin_unlock_bh(&pxmitpriv->lock);
2284 }
2285
2286 if (update_mask)
2287 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2288 }
2289
xmit_delivery_enabled_frames23a(struct rtw_adapter * padapter,struct sta_info * psta)2290 void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
2291 struct sta_info *psta)
2292 {
2293 u8 wmmps_ac = 0;
2294 struct list_head *plist, *phead, *ptmp;
2295 struct xmit_frame *pxmitframe;
2296 struct sta_priv *pstapriv = &padapter->stapriv;
2297 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2298
2299 /* spin_lock_bh(&psta->sleep_q.lock); */
2300 spin_lock_bh(&pxmitpriv->lock);
2301
2302 phead = get_list_head(&psta->sleep_q);
2303
2304 list_for_each_safe(plist, ptmp, phead) {
2305 pxmitframe = container_of(plist, struct xmit_frame, list);
2306
2307 switch (pxmitframe->attrib.priority) {
2308 case 1:
2309 case 2:
2310 wmmps_ac = psta->uapsd_bk & BIT(1);
2311 break;
2312 case 4:
2313 case 5:
2314 wmmps_ac = psta->uapsd_vi & BIT(1);
2315 break;
2316 case 6:
2317 case 7:
2318 wmmps_ac = psta->uapsd_vo & BIT(1);
2319 break;
2320 case 0:
2321 case 3:
2322 default:
2323 wmmps_ac = psta->uapsd_be & BIT(1);
2324 break;
2325 }
2326
2327 if (!wmmps_ac)
2328 continue;
2329
2330 list_del_init(&pxmitframe->list);
2331
2332 psta->sleepq_len--;
2333 psta->sleepq_ac_len--;
2334
2335 if (psta->sleepq_ac_len > 0) {
2336 pxmitframe->attrib.mdata = 1;
2337 pxmitframe->attrib.eosp = 0;
2338 } else {
2339 pxmitframe->attrib.mdata = 0;
2340 pxmitframe->attrib.eosp = 1;
2341 }
2342
2343 pxmitframe->attrib.triggered = 1;
2344
2345 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2346
2347 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) &&
2348 (wmmps_ac)) {
2349 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2350
2351 /* update BCN for TIM IE */
2352 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2353 }
2354 }
2355 spin_unlock_bh(&pxmitpriv->lock);
2356 }
2357
2358 #endif
2359
rtw_sctx_init23a(struct submit_ctx * sctx,int timeout_ms)2360 void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms)
2361 {
2362 sctx->timeout_ms = timeout_ms;
2363 init_completion(&sctx->done);
2364 sctx->status = RTW_SCTX_SUBMITTED;
2365 }
2366
rtw_sctx_wait23a(struct submit_ctx * sctx)2367 int rtw_sctx_wait23a(struct submit_ctx *sctx)
2368 {
2369 int ret = _FAIL;
2370 unsigned long expire;
2371 int status = 0;
2372
2373 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) :
2374 MAX_SCHEDULE_TIMEOUT;
2375 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2376 /* timeout, do something?? */
2377 status = RTW_SCTX_DONE_TIMEOUT;
2378 DBG_8723A("%s timeout\n", __func__);
2379 } else {
2380 status = sctx->status;
2381 }
2382
2383 if (status == RTW_SCTX_DONE_SUCCESS)
2384 ret = _SUCCESS;
2385
2386 return ret;
2387 }
2388
rtw_sctx_chk_waring_status(int status)2389 static bool rtw_sctx_chk_waring_status(int status)
2390 {
2391 switch (status) {
2392 case RTW_SCTX_DONE_UNKNOWN:
2393 case RTW_SCTX_DONE_BUF_ALLOC:
2394 case RTW_SCTX_DONE_BUF_FREE:
2395 case RTW_SCTX_DONE_DRV_STOP:
2396 case RTW_SCTX_DONE_DEV_REMOVE:
2397 return true;
2398 default:
2399 return false;
2400 }
2401 }
2402
rtw23a_sctx_done_err(struct submit_ctx ** sctx,int status)2403 void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status)
2404 {
2405 if (*sctx) {
2406 if (rtw_sctx_chk_waring_status(status))
2407 DBG_8723A("%s status:%d\n", __func__, status);
2408 (*sctx)->status = status;
2409 complete(&(*sctx)->done);
2410 *sctx = NULL;
2411 }
2412 }
2413
rtw_sctx_done23a(struct submit_ctx ** sctx)2414 void rtw_sctx_done23a(struct submit_ctx **sctx)
2415 {
2416 rtw23a_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
2417 }
2418
rtw_ack_tx_wait23a(struct xmit_priv * pxmitpriv,u32 timeout_ms)2419 int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2420 {
2421 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2422
2423 pack_tx_ops->timeout_ms = timeout_ms;
2424 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2425
2426 return rtw_sctx_wait23a(pack_tx_ops);
2427 }
2428
rtw_ack_tx_done23a(struct xmit_priv * pxmitpriv,int status)2429 void rtw_ack_tx_done23a(struct xmit_priv *pxmitpriv, int status)
2430 {
2431 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2432
2433 if (pxmitpriv->ack_tx)
2434 rtw23a_sctx_done_err(&pack_tx_ops, status);
2435 else
2436 DBG_8723A("%s ack_tx not set\n", __func__);
2437 }
2438