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
_init_txservq(struct tx_servq * ptxservq)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
_rtw_init_sta_xmit_priv23a(struct sta_xmit_priv * psta_xmitpriv)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
_rtw_init_xmit_priv23a(struct xmit_priv * pxmitpriv,struct rtw_adapter * padapter)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
_rtw_free_xmit_priv23a(struct xmit_priv * pxmitpriv)196 void _rtw_free_xmit_priv23a (struct xmit_priv *pxmitpriv)
197 {
198 struct rtw_adapter *padapter = pxmitpriv->adapter;
199 struct xmit_frame *pxframe;
200 struct xmit_buf *pxmitbuf;
201 struct list_head *plist, *ptmp;
202
203 list_for_each_safe(plist, ptmp, &pxmitpriv->free_xmit_queue.queue) {
204 pxframe = container_of(plist, struct xmit_frame, list);
205 list_del_init(&pxframe->list);
206 rtw_os_xmit_complete23a(padapter, pxframe);
207 kfree(pxframe);
208 }
209
210 list_for_each_safe(plist, ptmp, &pxmitpriv->xmitbuf_list) {
211 pxmitbuf = container_of(plist, struct xmit_buf, list2);
212 list_del_init(&pxmitbuf->list2);
213 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
214 kfree(pxmitbuf);
215 }
216
217 /* free xframe_ext queue, the same count as extbuf */
218 list_for_each_safe(plist, ptmp,
219 &pxmitpriv->free_xframe_ext_queue.queue) {
220 pxframe = container_of(plist, struct xmit_frame, list);
221 list_del_init(&pxframe->list);
222 rtw_os_xmit_complete23a(padapter, pxframe);
223 kfree(pxframe);
224 }
225
226 /* free xmit extension buff */
227 list_for_each_safe(plist, ptmp, &pxmitpriv->xmitextbuf_list) {
228 pxmitbuf = container_of(plist, struct xmit_buf, list2);
229 list_del_init(&pxmitbuf->list2);
230 rtw_os_xmit_resource_free23a(padapter, pxmitbuf);
231 kfree(pxmitbuf);
232 }
233
234 rtw_free_hwxmits23a(padapter);
235 mutex_destroy(&pxmitpriv->ack_tx_mutex);
236 }
237
update_attrib_vcs_info(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)238 static void update_attrib_vcs_info(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
239 {
240 u32 sz;
241 struct pkt_attrib *pattrib = &pxmitframe->attrib;
242 struct sta_info *psta = pattrib->psta;
243 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
244 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
245
246 if (pattrib->psta) {
247 psta = pattrib->psta;
248 } else {
249 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
250 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
251 }
252
253 if (psta == NULL) {
254 DBG_8723A("%s, psta == NUL\n", __func__);
255 return;
256 }
257
258 if (!(psta->state &_FW_LINKED)) {
259 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
260 return;
261 }
262
263 if (pattrib->nr_frags != 1)
264 sz = padapter->xmitpriv.frag_len;
265 else /* no frag */
266 sz = pattrib->last_txcmdsz;
267
268 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
269 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
270 /* Other fragments are protected by previous fragment. */
271 /* So we only need to check the length of first fragment. */
272 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
273 if (sz > padapter->registrypriv.rts_thresh) {
274 pattrib->vcs_mode = RTS_CTS;
275 } else {
276 if (psta->rtsen)
277 pattrib->vcs_mode = RTS_CTS;
278 else if (psta->cts2self)
279 pattrib->vcs_mode = CTS_TO_SELF;
280 else
281 pattrib->vcs_mode = NONE_VCS;
282 }
283 } else {
284 while (true) {
285 /* IOT action */
286 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS &&
287 pattrib->ampdu_en &&
288 padapter->securitypriv.dot11PrivacyAlgrthm ==
289 WLAN_CIPHER_SUITE_CCMP) {
290 pattrib->vcs_mode = CTS_TO_SELF;
291 break;
292 }
293
294 /* check ERP protection */
295 if (psta->rtsen || psta->cts2self) {
296 if (psta->rtsen)
297 pattrib->vcs_mode = RTS_CTS;
298 else if (psta->cts2self)
299 pattrib->vcs_mode = CTS_TO_SELF;
300
301 break;
302 }
303
304 /* check HT op mode */
305 if (pattrib->ht_en) {
306 u8 HTOpMode = pmlmeinfo->HT_protection;
307
308 if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
309 (!pmlmeext->cur_bwmode && HTOpMode == 3)) {
310 pattrib->vcs_mode = RTS_CTS;
311 break;
312 }
313 }
314
315 /* check rts */
316 if (sz > padapter->registrypriv.rts_thresh) {
317 pattrib->vcs_mode = RTS_CTS;
318 break;
319 }
320
321 /* to do list: check MIMO power save condition. */
322
323 /* check AMPDU aggregation for TXOP */
324 if (pattrib->ampdu_en) {
325 pattrib->vcs_mode = RTS_CTS;
326 break;
327 }
328
329 pattrib->vcs_mode = NONE_VCS;
330 break;
331 }
332 }
333 }
334
update_attrib_phy_info(struct pkt_attrib * pattrib,struct sta_info * psta)335 static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
336 {
337 /*if (psta->rtsen)
338 pattrib->vcs_mode = RTS_CTS;
339 else if (psta->cts2self)
340 pattrib->vcs_mode = CTS_TO_SELF;
341 else
342 pattrib->vcs_mode = NONE_VCS;*/
343
344 pattrib->mdata = 0;
345 pattrib->eosp = 0;
346 pattrib->triggered = 0;
347
348 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
349 pattrib->qos_en = psta->qos_option;
350
351 pattrib->raid = psta->raid;
352 pattrib->ht_en = psta->htpriv.ht_option;
353 pattrib->bwmode = psta->htpriv.bwmode;
354 pattrib->ch_offset = psta->htpriv.ch_offset;
355 pattrib->sgi = psta->htpriv.sgi;
356 pattrib->ampdu_en = false;
357
358 pattrib->retry_ctrl = false;
359 }
360
qos_acm23a(u8 acm_mask,u8 priority)361 u8 qos_acm23a(u8 acm_mask, u8 priority)
362 {
363 u8 change_priority = priority;
364
365 switch (priority) {
366 case 0:
367 case 3:
368 if (acm_mask & BIT(1))
369 change_priority = 1;
370 break;
371 case 1:
372 case 2:
373 break;
374 case 4:
375 case 5:
376 if (acm_mask & BIT(2))
377 change_priority = 0;
378 break;
379 case 6:
380 case 7:
381 if (acm_mask & BIT(3))
382 change_priority = 5;
383 break;
384 default:
385 DBG_8723A("qos_acm23a(): invalid pattrib->priority: %d!!!\n",
386 priority);
387 change_priority = 0;
388 break;
389 }
390
391 return change_priority;
392 }
393
set_qos(struct sk_buff * skb,struct pkt_attrib * pattrib)394 static void set_qos(struct sk_buff *skb, struct pkt_attrib *pattrib)
395 {
396 u8 *pframe = skb->data;
397 struct iphdr *ip_hdr;
398 u8 UserPriority = 0;
399
400 /* get UserPriority from IP hdr */
401 if (pattrib->ether_type == ETH_P_IP) {
402 ip_hdr = (struct iphdr *)(pframe + ETH_HLEN);
403 UserPriority = ip_hdr->tos >> 5;
404 } else if (pattrib->ether_type == ETH_P_PAE) {
405 /* "When priority processing of data frames is supported, */
406 /* a STA's SME should send EAPOL-Key frames at the highest
407 priority." */
408 UserPriority = 7;
409 }
410
411 pattrib->priority = UserPriority;
412 pattrib->hdrlen = sizeof(struct ieee80211_qos_hdr);
413 pattrib->type = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA;
414 }
415
update_attrib(struct rtw_adapter * padapter,struct sk_buff * skb,struct pkt_attrib * pattrib)416 static int update_attrib(struct rtw_adapter *padapter,
417 struct sk_buff *skb, struct pkt_attrib *pattrib)
418 {
419 struct sta_info *psta = NULL;
420 int bmcast;
421 struct sta_priv *pstapriv = &padapter->stapriv;
422 struct security_priv *psecuritypriv = &padapter->securitypriv;
423 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
424 int res = _SUCCESS;
425 struct ethhdr *ehdr = (struct ethhdr *) skb->data;
426
427 pattrib->ether_type = ntohs(ehdr->h_proto);
428
429 ether_addr_copy(pattrib->dst, ehdr->h_dest);
430 ether_addr_copy(pattrib->src, ehdr->h_source);
431
432 pattrib->pctrl = 0;
433
434 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
435 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
436 ether_addr_copy(pattrib->ra, pattrib->dst);
437 ether_addr_copy(pattrib->ta, pattrib->src);
438 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
439 ether_addr_copy(pattrib->ra, get_bssid(pmlmepriv));
440 ether_addr_copy(pattrib->ta, pattrib->src);
441 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
442 ether_addr_copy(pattrib->ra, pattrib->dst);
443 ether_addr_copy(pattrib->ta, get_bssid(pmlmepriv));
444 }
445
446 pattrib->pktlen = skb->len - ETH_HLEN;
447
448 if (pattrib->ether_type == ETH_P_IP) {
449 /* The following is for DHCP and ARP packet, we use cck1M
450 to tx these packets and let LPS awake some time */
451 /* to prevent DHCP protocol fail */
452 pattrib->dhcp_pkt = 0;
453 /* MINIMUM_DHCP_PACKET_SIZE) { */
454 if (pattrib->pktlen > 282 + 24) {
455 if (pattrib->ether_type == ETH_P_IP) {/* IP header */
456 u8 *pframe = skb->data;
457
458 pframe += ETH_HLEN;
459
460 if ((pframe[21] == 68 && pframe[23] == 67) ||
461 (pframe[21] == 67 && pframe[23] == 68)) {
462 /* 68 : UDP BOOTP client */
463 /* 67 : UDP BOOTP server */
464 RT_TRACE(_module_rtl871x_xmit_c_,
465 _drv_err_,
466 "======================update_attrib: get DHCP Packet\n");
467 pattrib->dhcp_pkt = 1;
468 }
469 }
470 }
471 } else if (pattrib->ether_type == ETH_P_PAE) {
472 DBG_8723A_LEVEL(_drv_always_, "send eapol packet\n");
473 }
474
475 if ((pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
476 rtw_set_scan_deny(padapter, 3000);
477 }
478
479 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
480 if ((pattrib->ether_type == ETH_P_ARP) ||
481 (pattrib->ether_type == ETH_P_PAE) || (pattrib->dhcp_pkt == 1)) {
482 rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
483 }
484
485 bmcast = is_multicast_ether_addr(pattrib->ra);
486
487 /* get sta_info */
488 if (bmcast) {
489 psta = rtw_get_bcmc_stainfo23a(padapter);
490 } else {
491 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
492 if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
493 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
494 "update_attrib => get sta_info fail, ra:%pM\n",
495 pattrib->ra);
496 res = _FAIL;
497 goto exit;
498 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
499 (!(psta->state & _FW_LINKED))) {
500 res = _FAIL;
501 goto exit;
502 }
503 }
504
505 if (psta) {
506 pattrib->mac_id = psta->mac_id;
507 /* DBG_8723A("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
508 pattrib->psta = psta;
509 } else {
510 /* if we cannot get psta => drop the pkt */
511 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
512 "update_attrib => get sta_info fail, ra:%pM\n",
513 pattrib->ra);
514 res = _FAIL;
515 goto exit;
516 }
517
518 pattrib->ack_policy = 0;
519 /* get ether_hdr_len */
520
521 /* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
522 pattrib->pkt_hdrlen = ETH_HLEN;
523
524 pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
525 pattrib->type = IEEE80211_FTYPE_DATA;
526 pattrib->priority = 0;
527
528 if (check_fwstate(pmlmepriv, WIFI_AP_STATE | WIFI_ADHOC_STATE |
529 WIFI_ADHOC_MASTER_STATE)) {
530 if (psta->qos_option)
531 set_qos(skb, pattrib);
532 } else {
533 if (pmlmepriv->qos_option) {
534 set_qos(skb, pattrib);
535
536 if (pmlmepriv->acm_mask != 0) {
537 pattrib->priority = qos_acm23a(pmlmepriv->acm_mask,
538 pattrib->priority);
539 }
540 }
541 }
542
543 if (psta->ieee8021x_blocked == true) {
544 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
545 "psta->ieee8021x_blocked == true\n");
546
547 pattrib->encrypt = 0;
548
549 if ((pattrib->ether_type != ETH_P_PAE) &&
550 !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
551 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
552 "psta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n",
553 pattrib->ether_type);
554 res = _FAIL;
555 goto exit;
556 }
557 } else {
558 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
559
560 switch (psecuritypriv->dot11AuthAlgrthm) {
561 case dot11AuthAlgrthm_Open:
562 case dot11AuthAlgrthm_Shared:
563 case dot11AuthAlgrthm_Auto:
564 pattrib->key_idx =
565 (u8)psecuritypriv->dot11PrivacyKeyIndex;
566 break;
567 case dot11AuthAlgrthm_8021X:
568 if (bmcast)
569 pattrib->key_idx =
570 (u8)psecuritypriv->dot118021XGrpKeyid;
571 else
572 pattrib->key_idx = 0;
573 break;
574 default:
575 pattrib->key_idx = 0;
576 break;
577 }
578
579 }
580
581 switch (pattrib->encrypt) {
582 case WLAN_CIPHER_SUITE_WEP40:
583 case WLAN_CIPHER_SUITE_WEP104:
584 pattrib->iv_len = IEEE80211_WEP_IV_LEN;
585 pattrib->icv_len = IEEE80211_WEP_ICV_LEN;
586 break;
587
588 case WLAN_CIPHER_SUITE_TKIP:
589 pattrib->iv_len = IEEE80211_TKIP_IV_LEN;
590 pattrib->icv_len = IEEE80211_TKIP_ICV_LEN;
591
592 if (!padapter->securitypriv.busetkipkey) {
593 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
594 "padapter->securitypriv.busetkipkey(%d) == false drop packet\n",
595 padapter->securitypriv.busetkipkey);
596 res = _FAIL;
597 goto exit;
598 }
599
600 break;
601 case WLAN_CIPHER_SUITE_CCMP:
602 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
603 "pattrib->encrypt =%d (WLAN_CIPHER_SUITE_CCMP)\n",
604 pattrib->encrypt);
605 pattrib->iv_len = IEEE80211_CCMP_HDR_LEN;
606 pattrib->icv_len = IEEE80211_CCMP_MIC_LEN;
607 break;
608
609 default:
610 pattrib->iv_len = 0;
611 pattrib->icv_len = 0;
612 break;
613 }
614
615 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
616 "update_attrib: encrypt =%d\n", pattrib->encrypt);
617
618 if (pattrib->encrypt && !psecuritypriv->hw_decrypted) {
619 pattrib->bswenc = true;
620 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
621 "update_attrib: encrypt =%d bswenc = true\n",
622 pattrib->encrypt);
623 } else {
624 pattrib->bswenc = false;
625 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
626 "update_attrib: bswenc = false\n");
627 }
628 update_attrib_phy_info(pattrib, psta);
629
630 exit:
631
632 return res;
633 }
634
xmitframe_addmic(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)635 static int xmitframe_addmic(struct rtw_adapter *padapter,
636 struct xmit_frame *pxmitframe) {
637 struct mic_data micdata;
638 struct sta_info *stainfo;
639 struct pkt_attrib *pattrib = &pxmitframe->attrib;
640 struct security_priv *psecuritypriv = &padapter->securitypriv;
641 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
642 int curfragnum, length;
643 u8 *pframe, *payload, mic[8];
644 u8 priority[4]= {0x0, 0x0, 0x0, 0x0};
645 u8 hw_hdr_offset = 0;
646 int bmcst = is_multicast_ether_addr(pattrib->ra);
647
648 if (pattrib->psta) {
649 stainfo = pattrib->psta;
650 } else {
651 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
652 stainfo = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
653 }
654
655 if (!stainfo) {
656 DBG_8723A("%s, psta == NUL\n", __func__);
657 return _FAIL;
658 }
659
660 if (!(stainfo->state &_FW_LINKED)) {
661 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
662 __func__, stainfo->state);
663 return _FAIL;
664 }
665
666 hw_hdr_offset = TXDESC_OFFSET;
667
668 if (pattrib->encrypt == WLAN_CIPHER_SUITE_TKIP) {
669 /* encode mic code */
670 if (stainfo) {
671 u8 null_key[16]={0x0, 0x0, 0x0, 0x0,
672 0x0, 0x0, 0x0, 0x0,
673 0x0, 0x0, 0x0, 0x0,
674 0x0, 0x0, 0x0, 0x0};
675
676 pframe = pxmitframe->buf_addr + hw_hdr_offset;
677
678 if (bmcst) {
679 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
680 return _FAIL;
681 }
682 /* start to calculate the mic code */
683 rtw_secmicsetkey23a(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
684 } else {
685 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0],
686 null_key, 16)) {
687 return _FAIL;
688 }
689 /* start to calculate the mic code */
690 rtw_secmicsetkey23a(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
691 }
692
693 if (pframe[1] & 1) { /* ToDS == 1 */
694 /* DA */
695 rtw_secmicappend23a(&micdata, &pframe[16], 6);
696 if (pframe[1] & 2) /* From Ds == 1 */
697 rtw_secmicappend23a(&micdata,
698 &pframe[24], 6);
699 else
700 rtw_secmicappend23a(&micdata,
701 &pframe[10], 6);
702 } else { /* ToDS == 0 */
703 /* DA */
704 rtw_secmicappend23a(&micdata, &pframe[4], 6);
705 if (pframe[1] & 2) /* From Ds == 1 */
706 rtw_secmicappend23a(&micdata,
707 &pframe[16], 6);
708 else
709 rtw_secmicappend23a(&micdata,
710 &pframe[10], 6);
711 }
712
713 /* if (pmlmepriv->qos_option == 1) */
714 if (pattrib->qos_en)
715 priority[0] = (u8)pxmitframe->attrib.priority;
716
717 rtw_secmicappend23a(&micdata, &priority[0], 4);
718
719 payload = pframe;
720
721 for (curfragnum = 0; curfragnum < pattrib->nr_frags;
722 curfragnum++) {
723 payload = PTR_ALIGN(payload, 4);
724 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
725 "=== curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
726 curfragnum, *payload, *(payload + 1),
727 *(payload + 2), *(payload + 3),
728 *(payload + 4), *(payload + 5),
729 *(payload + 6), *(payload + 7));
730
731 payload = payload + pattrib->hdrlen +
732 pattrib->iv_len;
733 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
734 "curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d\n",
735 curfragnum,
736 pattrib->hdrlen, pattrib->iv_len);
737 if ((curfragnum + 1) == pattrib->nr_frags) {
738 length = pattrib->last_txcmdsz -
739 pattrib->hdrlen -
740 pattrib->iv_len -
741 ((pattrib->bswenc) ?
742 pattrib->icv_len : 0);
743 rtw_secmicappend23a(&micdata, payload,
744 length);
745 payload = payload + length;
746 } else {
747 length = pxmitpriv->frag_len -
748 pattrib->hdrlen -
749 pattrib->iv_len -
750 ((pattrib->bswenc) ?
751 pattrib->icv_len : 0);
752 rtw_secmicappend23a(&micdata, payload,
753 length);
754 payload = payload + length +
755 pattrib->icv_len;
756 RT_TRACE(_module_rtl871x_xmit_c_,
757 _drv_err_,
758 "curfragnum =%d length =%d pattrib->icv_len =%d\n",
759 curfragnum, length,
760 pattrib->icv_len);
761 }
762 }
763 rtw_secgetmic23a(&micdata, &mic[0]);
764 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
765 "xmitframe_addmic: before add mic code!!\n");
766 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
767 "xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n",
768 pattrib->last_txcmdsz);
769 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
770 "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",
771 mic[0], mic[1], mic[2], mic[3],
772 mic[4], mic[5], mic[6], mic[7]);
773 /* add mic code and add the mic code length
774 in last_txcmdsz */
775
776 memcpy(payload, &mic[0], 8);
777 pattrib->last_txcmdsz += 8;
778
779 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
780 "======== last pkt ========\n");
781 payload = payload - pattrib->last_txcmdsz + 8;
782 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz;
783 curfragnum = curfragnum + 8) {
784 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
785 "%.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x\n",
786 *(payload + curfragnum),
787 *(payload + curfragnum + 1),
788 *(payload + curfragnum + 2),
789 *(payload + curfragnum + 3),
790 *(payload + curfragnum + 4),
791 *(payload + curfragnum + 5),
792 *(payload + curfragnum + 6),
793 *(payload + curfragnum + 7));
794 }
795 } else {
796 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
797 "xmitframe_addmic: rtw_get_stainfo23a ==NULL!!!\n");
798 }
799 }
800
801 return _SUCCESS;
802 }
803
xmitframe_swencrypt(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)804 static int xmitframe_swencrypt(struct rtw_adapter *padapter,
805 struct xmit_frame *pxmitframe)
806 {
807 struct pkt_attrib *pattrib = &pxmitframe->attrib;
808
809 /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
810 if (pattrib->bswenc) {
811 /* DBG_8723A("start xmitframe_swencrypt\n"); */
812 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_,
813 "### xmitframe_swencrypt\n");
814 switch (pattrib->encrypt) {
815 case WLAN_CIPHER_SUITE_WEP40:
816 case WLAN_CIPHER_SUITE_WEP104:
817 rtw_wep_encrypt23a(padapter, pxmitframe);
818 break;
819 case WLAN_CIPHER_SUITE_TKIP:
820 rtw_tkip_encrypt23a(padapter, pxmitframe);
821 break;
822 case WLAN_CIPHER_SUITE_CCMP:
823 rtw_aes_encrypt23a(padapter, pxmitframe);
824 break;
825 default:
826 break;
827 }
828
829 } else {
830 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
831 "### xmitframe_hwencrypt\n");
832 }
833
834 return _SUCCESS;
835 }
836
rtw_make_wlanhdr(struct rtw_adapter * padapter,u8 * hdr,struct pkt_attrib * pattrib)837 static int rtw_make_wlanhdr(struct rtw_adapter *padapter, u8 *hdr,
838 struct pkt_attrib *pattrib)
839 {
840 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
841 struct ieee80211_qos_hdr *qoshdr;
842 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
843 u8 qos_option = false;
844 int res = _SUCCESS;
845
846 struct sta_info *psta;
847
848 int bmcst = is_multicast_ether_addr(pattrib->ra);
849
850 if (pattrib->psta) {
851 psta = pattrib->psta;
852 } else {
853 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
854 if (bmcst) {
855 psta = rtw_get_bcmc_stainfo23a(padapter);
856 } else {
857 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
858 }
859 }
860
861 if (psta == NULL) {
862 DBG_8723A("%s, psta == NUL\n", __func__);
863 return _FAIL;
864 }
865
866 if (!(psta->state &_FW_LINKED)) {
867 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
868 return _FAIL;
869 }
870
871 memset(hdr, 0, WLANHDR_OFFSET);
872
873 pwlanhdr->frame_control = cpu_to_le16(pattrib->type);
874
875 if (pattrib->type & IEEE80211_FTYPE_DATA) {
876 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
877 /* to_ds = 1, fr_ds = 0; */
878 /* Data transfer to AP */
879 pwlanhdr->frame_control |=
880 cpu_to_le16(IEEE80211_FCTL_TODS);
881 ether_addr_copy(pwlanhdr->addr1, get_bssid(pmlmepriv));
882 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
883 ether_addr_copy(pwlanhdr->addr3, pattrib->dst);
884
885 if (pmlmepriv->qos_option)
886 qos_option = true;
887
888 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
889 /* to_ds = 0, fr_ds = 1; */
890 pwlanhdr->frame_control |=
891 cpu_to_le16(IEEE80211_FCTL_FROMDS);
892 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
893 ether_addr_copy(pwlanhdr->addr2, get_bssid(pmlmepriv));
894 ether_addr_copy(pwlanhdr->addr3, pattrib->src);
895
896 if (psta->qos_option)
897 qos_option = true;
898 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
899 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
900 ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
901 ether_addr_copy(pwlanhdr->addr2, pattrib->src);
902 ether_addr_copy(pwlanhdr->addr3, get_bssid(pmlmepriv));
903
904 if (psta->qos_option)
905 qos_option = true;
906 }
907 else {
908 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
909 "fw_state:%x is not allowed to xmit frame\n",
910 get_fwstate(pmlmepriv));
911 res = _FAIL;
912 goto exit;
913 }
914 if (pattrib->mdata)
915 pwlanhdr->frame_control |=
916 cpu_to_le16(IEEE80211_FCTL_MOREDATA);
917 if (pattrib->encrypt)
918 pwlanhdr->frame_control |=
919 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
920 if (qos_option) {
921 qoshdr = (struct ieee80211_qos_hdr *)hdr;
922
923 qoshdr->qos_ctrl = cpu_to_le16(
924 pattrib->priority & IEEE80211_QOS_CTL_TID_MASK);
925
926 qoshdr->qos_ctrl |= cpu_to_le16(
927 (pattrib->ack_policy << 5) &
928 IEEE80211_QOS_CTL_ACK_POLICY_MASK);
929
930 if (pattrib->eosp)
931 qoshdr->qos_ctrl |=
932 cpu_to_le16(IEEE80211_QOS_CTL_EOSP);
933 }
934 /* TODO: fill HT Control Field */
935
936 /* Update Seq Num will be handled by f/w */
937 if (psta) {
938 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
939 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
940 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
941 /* We dont need to worry about frag bits here */
942 pwlanhdr->seq_ctrl = cpu_to_le16(IEEE80211_SN_TO_SEQ(
943 pattrib->seqnum));
944 /* check if enable ampdu */
945 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
946 if (pattrib->priority >= 16)
947 printk(KERN_WARNING "%s: Invalid "
948 "pattrib->priority %i\n",
949 __func__, pattrib->priority);
950 if (psta->htpriv.agg_enable_bitmap &
951 BIT(pattrib->priority))
952 pattrib->ampdu_en = true;
953 }
954 /* re-check if enable ampdu by BA_starting_seqctrl */
955 if (pattrib->ampdu_en) {
956 u16 tx_seq;
957
958 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
959
960 /* check BA_starting_seqctrl */
961 if (SN_LESS(pattrib->seqnum, tx_seq)) {
962 /* DBG_8723A("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */
963 pattrib->ampdu_en = false;/* AGG BK */
964 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
965 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
966 pattrib->ampdu_en = true;/* AGG EN */
967 } else {
968 /* DBG_8723A("tx ampdu over run\n"); */
969 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
970 pattrib->ampdu_en = true;/* AGG EN */
971 }
972 }
973 }
974 }
975 exit:
976 return res;
977 }
978
rtw_txframes_pending23a(struct rtw_adapter * padapter)979 s32 rtw_txframes_pending23a(struct rtw_adapter *padapter)
980 {
981 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
982
983 return (!list_empty(&pxmitpriv->be_pending.queue)) ||
984 (!list_empty(&pxmitpriv->bk_pending.queue)) ||
985 (!list_empty(&pxmitpriv->vi_pending.queue)) ||
986 (!list_empty(&pxmitpriv->vo_pending.queue));
987 }
988
rtw_txframes_sta_ac_pending23a(struct rtw_adapter * padapter,struct pkt_attrib * pattrib)989 s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
990 struct pkt_attrib *pattrib)
991 {
992 struct sta_info *psta;
993 struct tx_servq *ptxservq;
994 int priority = pattrib->priority;
995
996 if (pattrib->psta) {
997 psta = pattrib->psta;
998 } else {
999 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1000 psta = rtw_get_stainfo23a(&padapter->stapriv, &pattrib->ra[0]);
1001 }
1002 if (psta == NULL) {
1003 DBG_8723A("%s, psta == NUL\n", __func__);
1004 return 0;
1005 }
1006 if (!(psta->state &_FW_LINKED)) {
1007 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1008 psta->state);
1009 return 0;
1010 }
1011 switch (priority) {
1012 case 1:
1013 case 2:
1014 ptxservq = &psta->sta_xmitpriv.bk_q;
1015 break;
1016 case 4:
1017 case 5:
1018 ptxservq = &psta->sta_xmitpriv.vi_q;
1019 break;
1020 case 6:
1021 case 7:
1022 ptxservq = &psta->sta_xmitpriv.vo_q;
1023 break;
1024 case 0:
1025 case 3:
1026 default:
1027 ptxservq = &psta->sta_xmitpriv.be_q;
1028 break;
1029 }
1030 return ptxservq->qcnt;
1031 }
1032
1033 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1034 * IEEE LLC/SNAP header contains 8 octets
1035 * First 3 octets comprise the LLC portion
1036 * SNAP portion, 5 octets, is divided into two fields:
1037 * Organizationally Unique Identifier(OUI), 3 octets,
1038 * type, defined by that organization, 2 octets.
1039 */
rtw_put_snap(u8 * data,u16 h_proto)1040 static int rtw_put_snap(u8 *data, u16 h_proto)
1041 {
1042 if (h_proto == ETH_P_IPX || h_proto == ETH_P_AARP)
1043 ether_addr_copy(data, bridge_tunnel_header);
1044 else
1045 ether_addr_copy(data, rfc1042_header);
1046
1047 data += ETH_ALEN;
1048 put_unaligned_be16(h_proto, data);
1049 return ETH_ALEN + sizeof(u16);
1050 }
1051
1052 /*
1053
1054 This sub-routine will perform all the following:
1055
1056 1. remove 802.3 header.
1057 2. create wlan_header, based on the info in pxmitframe
1058 3. append sta's iv/ext-iv
1059 4. append LLC
1060 5. move frag chunk from pframe to pxmitframe->mem
1061 6. apply sw-encrypt, if necessary.
1062
1063 */
rtw_xmitframe_coalesce23a(struct rtw_adapter * padapter,struct sk_buff * skb,struct xmit_frame * pxmitframe)1064 int rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *skb,
1065 struct xmit_frame *pxmitframe)
1066 {
1067 struct sta_info *psta;
1068 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1069 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1070 struct ieee80211_hdr *hdr;
1071 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1072 u8 *pframe, *mem_start;
1073 u8 hw_hdr_offset;
1074 u8 *pbuf_start;
1075 u8 *pdata = skb->data;
1076 int data_len = skb->len;
1077 s32 bmcst = is_multicast_ether_addr(pattrib->ra);
1078 int res = _SUCCESS;
1079
1080 if (pattrib->psta)
1081 psta = pattrib->psta;
1082 else {
1083 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1084 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
1085 }
1086
1087 if (!psta) {
1088 DBG_8723A("%s, psta == NUL\n", __func__);
1089 return _FAIL;
1090 }
1091
1092 if (!(psta->state &_FW_LINKED)) {
1093 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
1094 __func__, psta->state);
1095 return _FAIL;
1096 }
1097
1098 if (!pxmitframe->buf_addr) {
1099 DBG_8723A("==> %s buf_addr == NULL\n", __func__);
1100 return _FAIL;
1101 }
1102
1103 pbuf_start = pxmitframe->buf_addr;
1104
1105 hw_hdr_offset = TXDESC_OFFSET;
1106
1107 mem_start = pbuf_start + hw_hdr_offset;
1108
1109 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1110 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1111 "%s: rtw_make_wlanhdr fail; drop pkt\n", __func__);
1112 res = _FAIL;
1113 goto exit;
1114 }
1115
1116 pdata += pattrib->pkt_hdrlen;
1117 data_len -= pattrib->pkt_hdrlen;
1118
1119 frg_inx = 0;
1120 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1121
1122 while (1) {
1123 llc_sz = 0;
1124
1125 mpdu_len = frg_len;
1126
1127 pframe = mem_start;
1128 hdr = (struct ieee80211_hdr *)mem_start;
1129
1130 pframe += pattrib->hdrlen;
1131 mpdu_len -= pattrib->hdrlen;
1132
1133 /* adding icv, if necessary... */
1134 if (pattrib->iv_len) {
1135 if (psta) {
1136 switch (pattrib->encrypt) {
1137 case WLAN_CIPHER_SUITE_WEP40:
1138 case WLAN_CIPHER_SUITE_WEP104:
1139 WEP_IV(pattrib->iv, psta->dot11txpn,
1140 pattrib->key_idx);
1141 break;
1142 case WLAN_CIPHER_SUITE_TKIP:
1143 if (bmcst)
1144 TKIP_IV(pattrib->iv,
1145 psta->dot11txpn,
1146 pattrib->key_idx);
1147 else
1148 TKIP_IV(pattrib->iv,
1149 psta->dot11txpn, 0);
1150 break;
1151 case WLAN_CIPHER_SUITE_CCMP:
1152 if (bmcst)
1153 AES_IV(pattrib->iv,
1154 psta->dot11txpn,
1155 pattrib->key_idx);
1156 else
1157 AES_IV(pattrib->iv,
1158 psta->dot11txpn, 0);
1159 break;
1160 }
1161 }
1162
1163 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1164
1165 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1166 "rtw_xmiaframe_coalesce23a: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1167 padapter->securitypriv.dot11PrivacyKeyIndex,
1168 pattrib->iv[3], *pframe, *(pframe+1),
1169 *(pframe+2), *(pframe+3));
1170 pframe += pattrib->iv_len;
1171 mpdu_len -= pattrib->iv_len;
1172 }
1173 if (frg_inx == 0) {
1174 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1175 pframe += llc_sz;
1176 mpdu_len -= llc_sz;
1177 }
1178
1179 if (pattrib->icv_len > 0 && pattrib->bswenc)
1180 mpdu_len -= pattrib->icv_len;
1181
1182 if (bmcst)
1183 /* don't do fragment to broadcast/multicast packets */
1184 mem_sz = min_t(s32, data_len, pattrib->pktlen);
1185 else
1186 mem_sz = min_t(s32, data_len, mpdu_len);
1187
1188 memcpy(pframe, pdata, mem_sz);
1189
1190 pframe += mem_sz;
1191 pdata += mem_sz;
1192 data_len -= mem_sz;
1193
1194 if ((pattrib->icv_len >0) && (pattrib->bswenc)) {
1195 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1196 pframe += pattrib->icv_len;
1197 }
1198
1199 frg_inx++;
1200
1201 if (bmcst || data_len <= 0) {
1202 pattrib->nr_frags = frg_inx;
1203
1204 pattrib->last_txcmdsz = pattrib->hdrlen +
1205 pattrib->iv_len +
1206 ((pattrib->nr_frags == 1) ?
1207 llc_sz : 0) +
1208 ((pattrib->bswenc) ?
1209 pattrib->icv_len : 0) + mem_sz;
1210 hdr->frame_control &=
1211 ~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1212
1213 break;
1214 } else {
1215 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1216 "%s: There're still something in packet!\n",
1217 __func__);
1218 }
1219 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
1220
1221 mem_start = PTR_ALIGN(pframe, 4) + hw_hdr_offset;
1222 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1223 }
1224
1225 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1226 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1227 "xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1228 DBG_8723A("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1229 res = _FAIL;
1230 goto exit;
1231 }
1232
1233 xmitframe_swencrypt(padapter, pxmitframe);
1234
1235 if (bmcst == false)
1236 update_attrib_vcs_info(padapter, pxmitframe);
1237 else
1238 pattrib->vcs_mode = NONE_VCS;
1239
1240 exit:
1241 return res;
1242 }
1243
rtw_update_protection23a(struct rtw_adapter * padapter,u8 * ie,uint ie_len)1244 void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len)
1245 {
1246 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1247 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1248 uint protection;
1249 const u8 *p;
1250
1251 switch (pregistrypriv->vrtl_carrier_sense) {
1252 case DISABLE_VCS:
1253 pxmitpriv->vcs = NONE_VCS;
1254 break;
1255 case ENABLE_VCS:
1256 break;
1257 case AUTO_VCS:
1258 default:
1259 p = cfg80211_find_ie(WLAN_EID_ERP_INFO, ie, ie_len);
1260 if (!p)
1261 pxmitpriv->vcs = NONE_VCS;
1262 else {
1263 protection = (*(p + 2)) & BIT(1);
1264 if (protection) {
1265 if (pregistrypriv->vcs_type == RTS_CTS)
1266 pxmitpriv->vcs = RTS_CTS;
1267 else
1268 pxmitpriv->vcs = CTS_TO_SELF;
1269 } else {
1270 pxmitpriv->vcs = NONE_VCS;
1271 }
1272 }
1273 break;
1274 }
1275 }
1276
rtw_count_tx_stats23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe,int sz)1277 void rtw_count_tx_stats23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1278 {
1279 struct sta_info *psta = NULL;
1280 struct stainfo_stats *pstats = NULL;
1281 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1282 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1283
1284 if (pxmitframe->frame_tag == DATA_FRAMETAG) {
1285 pxmitpriv->tx_bytes += sz;
1286 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
1287
1288 psta = pxmitframe->attrib.psta;
1289 if (psta) {
1290 pstats = &psta->sta_stats;
1291 pstats->tx_pkts++;
1292 pstats->tx_bytes += sz;
1293 }
1294 }
1295 }
1296
rtw_alloc_xmitbuf23a_ext(struct xmit_priv * pxmitpriv)1297 struct xmit_buf *rtw_alloc_xmitbuf23a_ext(struct xmit_priv *pxmitpriv)
1298 {
1299 unsigned long irqL;
1300 struct xmit_buf *pxmitbuf = NULL;
1301 struct list_head *phead;
1302 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1303
1304 spin_lock_irqsave(&pfree_queue->lock, irqL);
1305
1306 phead = get_list_head(pfree_queue);
1307
1308 if (!list_empty(phead)) {
1309 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1310
1311 list_del_init(&pxmitbuf->list);
1312
1313 pxmitpriv->free_xmit_extbuf_cnt--;
1314 pxmitbuf->priv_data = NULL;
1315 pxmitbuf->ext_tag = true;
1316
1317 if (pxmitbuf->sctx) {
1318 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1319 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1320 }
1321 }
1322
1323 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1324
1325 return pxmitbuf;
1326 }
1327
rtw_free_xmitbuf_ext23a(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1328 int rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv,
1329 struct xmit_buf *pxmitbuf)
1330 {
1331 unsigned long irqL;
1332 struct rtw_queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1333
1334 if (pxmitbuf == NULL)
1335 return _FAIL;
1336
1337 spin_lock_irqsave(&pfree_queue->lock, irqL);
1338
1339 list_del_init(&pxmitbuf->list);
1340
1341 list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue));
1342 pxmitpriv->free_xmit_extbuf_cnt++;
1343
1344 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1345
1346 return _SUCCESS;
1347 }
1348
rtw_alloc_xmitbuf23a(struct xmit_priv * pxmitpriv)1349 struct xmit_buf *rtw_alloc_xmitbuf23a(struct xmit_priv *pxmitpriv)
1350 {
1351 unsigned long irqL;
1352 struct xmit_buf *pxmitbuf = NULL;
1353 struct list_head *phead;
1354 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1355
1356 /* DBG_8723A("+rtw_alloc_xmitbuf23a\n"); */
1357
1358 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1359
1360 phead = get_list_head(pfree_xmitbuf_queue);
1361
1362 if (!list_empty(phead)) {
1363 pxmitbuf = list_first_entry(phead, struct xmit_buf, list);
1364
1365 list_del_init(&pxmitbuf->list);
1366
1367 pxmitpriv->free_xmitbuf_cnt--;
1368 pxmitbuf->priv_data = NULL;
1369 pxmitbuf->ext_tag = false;
1370 pxmitbuf->flags = XMIT_VO_QUEUE;
1371
1372 if (pxmitbuf->sctx) {
1373 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1374 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1375 }
1376 }
1377
1378 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1379
1380 return pxmitbuf;
1381 }
1382
rtw_free_xmitbuf23a(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1383 int rtw_free_xmitbuf23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1384 {
1385 unsigned long irqL;
1386 struct rtw_queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1387
1388 /* DBG_8723A("+rtw_free_xmitbuf23a\n"); */
1389
1390 if (pxmitbuf == NULL)
1391 return _FAIL;
1392
1393 if (pxmitbuf->sctx) {
1394 DBG_8723A("%s pxmitbuf->sctx is not NULL\n", __func__);
1395 rtw23a_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1396 }
1397
1398 if (pxmitbuf->ext_tag) {
1399 rtw_free_xmitbuf_ext23a(pxmitpriv, pxmitbuf);
1400 } else {
1401 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1402
1403 list_del_init(&pxmitbuf->list);
1404
1405 list_add_tail(&pxmitbuf->list,
1406 get_list_head(pfree_xmitbuf_queue));
1407
1408 pxmitpriv->free_xmitbuf_cnt++;
1409 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1410 }
1411
1412 return _SUCCESS;
1413 }
1414
rtw_init_xmitframe(struct xmit_frame * pxframe)1415 static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1416 {
1417 if (pxframe != NULL) {
1418 /* default value setting */
1419 pxframe->buf_addr = NULL;
1420 pxframe->pxmitbuf = NULL;
1421
1422 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1423 /* pxframe->attrib.psta = NULL; */
1424
1425 pxframe->frame_tag = DATA_FRAMETAG;
1426
1427 pxframe->pkt = NULL;
1428 pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1429
1430 pxframe->ack_report = 0;
1431 }
1432 }
1433
1434 /*
1435 Calling context:
1436 1. OS_TXENTRY
1437 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1438
1439 If we turn on USE_RXTHREAD, then, no need for critical section.
1440 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1441
1442 Must be very very cautious...
1443
1444 */
rtw_alloc_xmitframe(struct xmit_priv * pxmitpriv)1445 static struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)
1446 {
1447 struct xmit_frame *pxframe = NULL;
1448 struct list_head *plist, *phead;
1449 struct rtw_queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1450
1451 spin_lock_bh(&pfree_xmit_queue->lock);
1452
1453 if (list_empty(&pfree_xmit_queue->queue)) {
1454 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1455 "rtw_alloc_xmitframe:%d\n",
1456 pxmitpriv->free_xmitframe_cnt);
1457 pxframe = NULL;
1458 } else {
1459 phead = get_list_head(pfree_xmit_queue);
1460
1461 plist = phead->next;
1462
1463 pxframe = container_of(plist, struct xmit_frame, list);
1464
1465 list_del_init(&pxframe->list);
1466 pxmitpriv->free_xmitframe_cnt--;
1467 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1468 "rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n",
1469 pxmitpriv->free_xmitframe_cnt);
1470 }
1471
1472 spin_unlock_bh(&pfree_xmit_queue->lock);
1473
1474 rtw_init_xmitframe(pxframe);
1475
1476 return pxframe;
1477 }
1478
rtw_alloc_xmitframe23a_ext(struct xmit_priv * pxmitpriv)1479 struct xmit_frame *rtw_alloc_xmitframe23a_ext(struct xmit_priv *pxmitpriv)
1480 {
1481 struct xmit_frame *pxframe = NULL;
1482 struct list_head *plist, *phead;
1483 struct rtw_queue *queue = &pxmitpriv->free_xframe_ext_queue;
1484
1485 spin_lock_bh(&queue->lock);
1486
1487 if (list_empty(&queue->queue)) {
1488 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1489 "rtw_alloc_xmitframe23a_ext:%d\n",
1490 pxmitpriv->free_xframe_ext_cnt);
1491 pxframe = NULL;
1492 } else {
1493 phead = get_list_head(queue);
1494 plist = phead->next;
1495 pxframe = container_of(plist, struct xmit_frame, list);
1496
1497 list_del_init(&pxframe->list);
1498 pxmitpriv->free_xframe_ext_cnt--;
1499 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1500 "rtw_alloc_xmitframe23a_ext():free_xmitframe_cnt =%d\n",
1501 pxmitpriv->free_xframe_ext_cnt);
1502 }
1503
1504 spin_unlock_bh(&queue->lock);
1505
1506 rtw_init_xmitframe(pxframe);
1507
1508 return pxframe;
1509 }
1510
rtw_free_xmitframe23a(struct xmit_priv * pxmitpriv,struct xmit_frame * pxmitframe)1511 s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1512 {
1513 struct rtw_queue *queue = NULL;
1514 struct rtw_adapter *padapter = pxmitpriv->adapter;
1515 struct sk_buff *pndis_pkt = NULL;
1516
1517 if (pxmitframe == NULL) {
1518 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1519 "====== rtw_free_xmitframe23a():pxmitframe == NULL!!!!!!!!!!\n");
1520 goto exit;
1521 }
1522
1523 if (pxmitframe->pkt) {
1524 pndis_pkt = pxmitframe->pkt;
1525 pxmitframe->pkt = NULL;
1526 }
1527
1528 if (pxmitframe->ext_tag == 0)
1529 queue = &pxmitpriv->free_xmit_queue;
1530 else if (pxmitframe->ext_tag == 1)
1531 queue = &pxmitpriv->free_xframe_ext_queue;
1532
1533 if (!queue)
1534 goto check_pkt_complete;
1535 spin_lock_bh(&queue->lock);
1536
1537 list_del_init(&pxmitframe->list);
1538 list_add_tail(&pxmitframe->list, get_list_head(queue));
1539 if (pxmitframe->ext_tag == 0) {
1540 pxmitpriv->free_xmitframe_cnt++;
1541 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_,
1542 "rtw_free_xmitframe23a():free_xmitframe_cnt =%d\n",
1543 pxmitpriv->free_xmitframe_cnt);
1544 } else if (pxmitframe->ext_tag == 1) {
1545 pxmitpriv->free_xframe_ext_cnt++;
1546 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_,
1547 "rtw_free_xmitframe23a():free_xframe_ext_cnt =%d\n",
1548 pxmitpriv->free_xframe_ext_cnt);
1549 }
1550
1551 spin_unlock_bh(&queue->lock);
1552
1553 check_pkt_complete:
1554
1555 if (pndis_pkt)
1556 rtw_os_pkt_complete23a(padapter, pndis_pkt);
1557
1558 exit:
1559
1560 return _SUCCESS;
1561 }
1562
rtw_free_xmitframe_queue23a(struct xmit_priv * pxmitpriv,struct rtw_queue * pframequeue)1563 void rtw_free_xmitframe_queue23a(struct xmit_priv *pxmitpriv,
1564 struct rtw_queue *pframequeue)
1565 {
1566 struct list_head *plist, *phead, *ptmp;
1567 struct xmit_frame *pxmitframe;
1568
1569 spin_lock_bh(&pframequeue->lock);
1570
1571 phead = get_list_head(pframequeue);
1572
1573 list_for_each_safe(plist, ptmp, phead) {
1574 pxmitframe = container_of(plist, struct xmit_frame, list);
1575
1576 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1577 }
1578 spin_unlock_bh(&pframequeue->lock);
1579
1580 }
1581
rtw_xmitframe_enqueue23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1582 int rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
1583 struct xmit_frame *pxmitframe)
1584 {
1585 if (rtw_xmit23a_classifier(padapter, pxmitframe) == _FAIL) {
1586 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1587 "rtw_xmitframe_enqueue23a: drop xmit pkt for classifier fail\n");
1588 return _FAIL;
1589 }
1590
1591 return _SUCCESS;
1592 }
1593
1594 static struct xmit_frame *
dequeue_one_xmitframe(struct xmit_priv * pxmitpriv,struct hw_xmit * phwxmit,struct tx_servq * ptxservq,struct rtw_queue * pframe_queue)1595 dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit,
1596 struct tx_servq *ptxservq, struct rtw_queue *pframe_queue)
1597 {
1598 struct list_head *phead;
1599 struct xmit_frame *pxmitframe = NULL;
1600
1601 phead = get_list_head(pframe_queue);
1602
1603 if (!list_empty(phead)) {
1604 pxmitframe = list_first_entry(phead, struct xmit_frame, list);
1605 list_del_init(&pxmitframe->list);
1606 ptxservq->qcnt--;
1607 }
1608 return pxmitframe;
1609 }
1610
1611 struct xmit_frame *
rtw_dequeue_xframe23a(struct xmit_priv * pxmitpriv,struct hw_xmit * phwxmit_i,int entry)1612 rtw_dequeue_xframe23a(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i,
1613 int entry)
1614 {
1615 struct list_head *sta_plist, *sta_phead, *ptmp;
1616 struct hw_xmit *phwxmit;
1617 struct tx_servq *ptxservq = NULL;
1618 struct rtw_queue *pframe_queue = NULL;
1619 struct xmit_frame *pxmitframe = NULL;
1620 struct rtw_adapter *padapter = pxmitpriv->adapter;
1621 struct registry_priv *pregpriv = &padapter->registrypriv;
1622 int i, inx[4];
1623
1624 inx[0] = 0;
1625 inx[1] = 1;
1626 inx[2] = 2;
1627 inx[3] = 3;
1628 if (pregpriv->wifi_spec == 1) {
1629 int j;
1630
1631 for (j = 0; j < 4; j++)
1632 inx[j] = pxmitpriv->wmm_para_seq[j];
1633 }
1634
1635 spin_lock_bh(&pxmitpriv->lock);
1636
1637 for (i = 0; i < entry; i++) {
1638 phwxmit = phwxmit_i + inx[i];
1639
1640 sta_phead = get_list_head(phwxmit->sta_queue);
1641
1642 list_for_each_safe(sta_plist, ptmp, sta_phead) {
1643 ptxservq = container_of(sta_plist, struct tx_servq,
1644 tx_pending);
1645
1646 pframe_queue = &ptxservq->sta_pending;
1647
1648 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1649
1650 if (pxmitframe) {
1651 phwxmit->accnt--;
1652
1653 /* Remove sta node when there is no pending packets. */
1654 /* must be done after get_next and
1655 before break */
1656 if (list_empty(&pframe_queue->queue))
1657 list_del_init(&ptxservq->tx_pending);
1658 goto exit;
1659 }
1660 }
1661 }
1662 exit:
1663 spin_unlock_bh(&pxmitpriv->lock);
1664 return pxmitframe;
1665 }
1666
rtw_get_sta_pending23a(struct rtw_adapter * padapter,struct sta_info * psta,int up,u8 * ac)1667 struct tx_servq *rtw_get_sta_pending23a(struct rtw_adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1668 {
1669 struct tx_servq *ptxservq = NULL;
1670
1671 switch (up) {
1672 case 1:
1673 case 2:
1674 ptxservq = &psta->sta_xmitpriv.bk_q;
1675 *(ac) = 3;
1676 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1677 "rtw_get_sta_pending23a : BK\n");
1678 break;
1679 case 4:
1680 case 5:
1681 ptxservq = &psta->sta_xmitpriv.vi_q;
1682 *(ac) = 1;
1683 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1684 "rtw_get_sta_pending23a : VI\n");
1685 break;
1686 case 6:
1687 case 7:
1688 ptxservq = &psta->sta_xmitpriv.vo_q;
1689 *(ac) = 0;
1690 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1691 "rtw_get_sta_pending23a : VO\n");
1692 break;
1693 case 0:
1694 case 3:
1695 default:
1696 ptxservq = &psta->sta_xmitpriv.be_q;
1697 *(ac) = 2;
1698 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
1699 "rtw_get_sta_pending23a : BE\n");
1700 break;
1701 }
1702 return ptxservq;
1703 }
1704
1705 /*
1706 * Will enqueue pxmitframe to the proper queue,
1707 * and indicate it to xx_pending list.....
1708 */
rtw_xmit23a_classifier(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1709 int rtw_xmit23a_classifier(struct rtw_adapter *padapter,
1710 struct xmit_frame *pxmitframe)
1711 {
1712 struct sta_info *psta;
1713 struct tx_servq *ptxservq;
1714 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1715 struct sta_priv *pstapriv = &padapter->stapriv;
1716 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1717 u8 ac_index;
1718 int res = _SUCCESS;
1719
1720 if (pattrib->psta) {
1721 psta = pattrib->psta;
1722 } else {
1723 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1724 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1725 }
1726 if (psta == NULL) {
1727 res = _FAIL;
1728 DBG_8723A("rtw_xmit23a_classifier: psta == NULL\n");
1729 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1730 "rtw_xmit23a_classifier: psta == NULL\n");
1731 goto exit;
1732 }
1733 if (!(psta->state & _FW_LINKED)) {
1734 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1735 psta->state);
1736 return _FAIL;
1737 }
1738 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority,
1739 (u8 *)(&ac_index));
1740
1741 if (list_empty(&ptxservq->tx_pending)) {
1742 list_add_tail(&ptxservq->tx_pending,
1743 get_list_head(phwxmits[ac_index].sta_queue));
1744 }
1745
1746 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1747 ptxservq->qcnt++;
1748 phwxmits[ac_index].accnt++;
1749 exit:
1750 return res;
1751 }
1752
rtw_alloc_hwxmits23a(struct rtw_adapter * padapter)1753 void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter)
1754 {
1755 struct hw_xmit *hwxmits;
1756 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1757 int size;
1758
1759 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1760
1761 size = sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
1762 pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
1763
1764 hwxmits = pxmitpriv->hwxmits;
1765
1766 if (pxmitpriv->hwxmit_entry == 5) {
1767 /* pxmitpriv->bmc_txqueue.head = 0; */
1768 /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
1769 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
1770
1771 /* pxmitpriv->vo_txqueue.head = 0; */
1772 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1773 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
1774
1775 /* pxmitpriv->vi_txqueue.head = 0; */
1776 /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1777 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
1778
1779 /* pxmitpriv->bk_txqueue.head = 0; */
1780 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1781 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1782
1783 /* pxmitpriv->be_txqueue.head = 0; */
1784 /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
1785 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
1786
1787 } else if (pxmitpriv->hwxmit_entry == 4) {
1788
1789 /* pxmitpriv->vo_txqueue.head = 0; */
1790 /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
1791 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1792
1793 /* pxmitpriv->vi_txqueue.head = 0; */
1794 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
1795 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1796
1797 /* pxmitpriv->be_txqueue.head = 0; */
1798 /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
1799 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1800
1801 /* pxmitpriv->bk_txqueue.head = 0; */
1802 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
1803 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1804 } else {
1805
1806 }
1807 }
1808
rtw_free_hwxmits23a(struct rtw_adapter * padapter)1809 void rtw_free_hwxmits23a(struct rtw_adapter *padapter)
1810 {
1811 struct hw_xmit *hwxmits;
1812 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1813
1814 hwxmits = pxmitpriv->hwxmits;
1815 kfree(hwxmits);
1816 }
1817
rtw_init_hwxmits23a(struct hw_xmit * phwxmit,int entry)1818 void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry)
1819 {
1820 int i;
1821
1822 for (i = 0; i < entry; i++, phwxmit++)
1823 phwxmit->accnt = 0;
1824 }
1825
rtw_get_ff_hwaddr23a(struct xmit_frame * pxmitframe)1826 u32 rtw_get_ff_hwaddr23a(struct xmit_frame *pxmitframe)
1827 {
1828 u32 addr;
1829 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1830
1831 switch (pattrib->qsel) {
1832 case 0:
1833 case 3:
1834 addr = BE_QUEUE_INX;
1835 break;
1836 case 1:
1837 case 2:
1838 addr = BK_QUEUE_INX;
1839 break;
1840 case 4:
1841 case 5:
1842 addr = VI_QUEUE_INX;
1843 break;
1844 case 6:
1845 case 7:
1846 addr = VO_QUEUE_INX;
1847 break;
1848 case 0x10:
1849 addr = BCN_QUEUE_INX;
1850 break;
1851 case 0x11:/* BC/MC in PS (HIQ) */
1852 addr = HIGH_QUEUE_INX;
1853 break;
1854 case 0x12:
1855 default:
1856 addr = MGT_QUEUE_INX;
1857 break;
1858 }
1859
1860 return addr;
1861 }
1862
1863 /*
1864 * The main transmit(tx) entry
1865 *
1866 * Return
1867 * 1 enqueue
1868 * 0 success, hardware will handle this xmit frame(packet)
1869 * <0 fail
1870 */
rtw_xmit23a(struct rtw_adapter * padapter,struct sk_buff * skb)1871 int rtw_xmit23a(struct rtw_adapter *padapter, struct sk_buff *skb)
1872 {
1873 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1874 struct xmit_frame *pxmitframe = NULL;
1875 int res;
1876
1877 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1878
1879 if (pxmitframe == NULL) {
1880 RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1881 "rtw_xmit23a: no more pxmitframe\n");
1882 return -1;
1883 }
1884
1885 res = update_attrib(padapter, skb, &pxmitframe->attrib);
1886
1887 if (res == _FAIL) {
1888 RT_TRACE(_module_xmit_osdep_c_, _drv_err_,
1889 "rtw_xmit23a: update attrib fail\n");
1890 rtw_free_xmitframe23a(pxmitpriv, pxmitframe);
1891 return -1;
1892 }
1893 pxmitframe->pkt = skb;
1894
1895 pxmitframe->attrib.qsel = pxmitframe->attrib.priority;
1896
1897 #ifdef CONFIG_8723AU_AP_MODE
1898 spin_lock_bh(&pxmitpriv->lock);
1899 if (xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe)) {
1900 spin_unlock_bh(&pxmitpriv->lock);
1901 return 1;
1902 }
1903 spin_unlock_bh(&pxmitpriv->lock);
1904 #endif
1905
1906 if (rtl8723au_hal_xmit(padapter, pxmitframe) == false)
1907 return 1;
1908
1909 return 0;
1910 }
1911
1912 #if defined(CONFIG_8723AU_AP_MODE)
1913
xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter * padapter,struct xmit_frame * pxmitframe)1914 int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe)
1915 {
1916 int ret = false;
1917 struct sta_info *psta = NULL;
1918 struct sta_priv *pstapriv = &padapter->stapriv;
1919 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1920 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1921 int bmcst = is_multicast_ether_addr(pattrib->ra);
1922
1923 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
1924 return ret;
1925
1926 if (pattrib->psta) {
1927 psta = pattrib->psta;
1928 } else {
1929 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
1930 psta = rtw_get_stainfo23a(pstapriv, pattrib->ra);
1931 }
1932
1933 if (psta == NULL) {
1934 DBG_8723A("%s, psta == NUL\n", __func__);
1935 return false;
1936 }
1937
1938 if (!(psta->state & _FW_LINKED)) {
1939 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__,
1940 psta->state);
1941 return false;
1942 }
1943
1944 if (pattrib->triggered == 1) {
1945 if (bmcst)
1946 pattrib->qsel = 0x11;/* HIQ */
1947 return ret;
1948 }
1949
1950 if (bmcst) {
1951 spin_lock_bh(&psta->sleep_q.lock);
1952
1953 if (pstapriv->sta_dz_bitmap) {
1954 /* if anyone sta is in ps mode */
1955 list_del_init(&pxmitframe->list);
1956
1957 /* spin_lock_bh(&psta->sleep_q.lock); */
1958
1959 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1960
1961 psta->sleepq_len++;
1962
1963 pstapriv->tim_bitmap |= BIT(0);/* */
1964 pstapriv->sta_dz_bitmap |= BIT(0);
1965
1966 /* DBG_8723A("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
1967
1968 /* tx bc/mc packets after update bcn */
1969 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
1970
1971 /* spin_unlock_bh(&psta->sleep_q.lock); */
1972
1973 ret = true;
1974
1975 }
1976
1977 spin_unlock_bh(&psta->sleep_q.lock);
1978
1979 return ret;
1980
1981 }
1982
1983 spin_lock_bh(&psta->sleep_q.lock);
1984
1985 if (psta->state&WIFI_SLEEP_STATE) {
1986 u8 wmmps_ac = 0;
1987
1988 if (pstapriv->sta_dz_bitmap & CHKBIT(psta->aid)) {
1989 list_del_init(&pxmitframe->list);
1990
1991 /* spin_lock_bh(&psta->sleep_q.lock); */
1992
1993 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1994
1995 psta->sleepq_len++;
1996
1997 switch (pattrib->priority) {
1998 case 1:
1999 case 2:
2000 wmmps_ac = psta->uapsd_bk & BIT(0);
2001 break;
2002 case 4:
2003 case 5:
2004 wmmps_ac = psta->uapsd_vi & BIT(0);
2005 break;
2006 case 6:
2007 case 7:
2008 wmmps_ac = psta->uapsd_vo & BIT(0);
2009 break;
2010 case 0:
2011 case 3:
2012 default:
2013 wmmps_ac = psta->uapsd_be & BIT(0);
2014 break;
2015 }
2016
2017 if (wmmps_ac)
2018 psta->sleepq_ac_len++;
2019
2020 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
2021 ((!psta->has_legacy_ac) && (wmmps_ac))) {
2022 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
2023
2024 if (psta->sleepq_len == 1) {
2025 /* update BCN for TIM IE */
2026 update_beacon23a(padapter, WLAN_EID_TIM,
2027 NULL, false);
2028 }
2029 }
2030
2031 /* spin_unlock_bh(&psta->sleep_q.lock); */
2032
2033 /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
2034 /* */
2035 /* wakeup_sta_to_xmit23a(padapter, psta); */
2036 /* */
2037
2038 ret = true;
2039
2040 }
2041
2042 }
2043
2044 spin_unlock_bh(&psta->sleep_q.lock);
2045
2046 return ret;
2047 }
2048
2049 static void
dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter * padapter,struct sta_info * psta,struct rtw_queue * pframequeue)2050 dequeue_xmitframes_to_sleeping_queue(struct rtw_adapter *padapter,
2051 struct sta_info *psta,
2052 struct rtw_queue *pframequeue)
2053 {
2054 int ret;
2055 struct list_head *plist, *phead, *ptmp;
2056 u8 ac_index;
2057 struct tx_servq *ptxservq;
2058 struct pkt_attrib *pattrib;
2059 struct xmit_frame *pxmitframe;
2060 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2061
2062 phead = get_list_head(pframequeue);
2063
2064 list_for_each_safe(plist, ptmp, phead) {
2065 pxmitframe = container_of(plist, struct xmit_frame, list);
2066
2067 ret = xmitframe_enqueue_for_sleeping_sta23a(padapter, pxmitframe);
2068
2069 if (ret == true) {
2070 pattrib = &pxmitframe->attrib;
2071
2072 ptxservq = rtw_get_sta_pending23a(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2073
2074 ptxservq->qcnt--;
2075 phwxmits[ac_index].accnt--;
2076 } else {
2077 /* DBG_8723A("xmitframe_enqueue_for_sleeping_sta23a return false\n"); */
2078 }
2079 }
2080 }
2081
stop_sta_xmit23a(struct rtw_adapter * padapter,struct sta_info * psta)2082 void stop_sta_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2083 {
2084 struct sta_info *psta_bmc;
2085 struct sta_xmit_priv *pstaxmitpriv;
2086 struct sta_priv *pstapriv = &padapter->stapriv;
2087 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2088
2089 pstaxmitpriv = &psta->sta_xmitpriv;
2090
2091 /* for BC/MC Frames */
2092 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2093
2094 spin_lock_bh(&pxmitpriv->lock);
2095
2096 psta->state |= WIFI_SLEEP_STATE;
2097
2098 pstapriv->sta_dz_bitmap |= CHKBIT(psta->aid);
2099
2100 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2101 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
2102
2103 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2104 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
2105
2106 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2107 &pstaxmitpriv->be_q.sta_pending);
2108 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2109
2110 dequeue_xmitframes_to_sleeping_queue(padapter, psta,
2111 &pstaxmitpriv->bk_q.sta_pending);
2112 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
2113
2114 /* for BC/MC Frames */
2115 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2116 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc,
2117 &pstaxmitpriv->be_q.sta_pending);
2118 list_del_init(&pstaxmitpriv->be_q.tx_pending);
2119
2120 spin_unlock_bh(&pxmitpriv->lock);
2121 }
2122
wakeup_sta_to_xmit23a(struct rtw_adapter * padapter,struct sta_info * psta)2123 void wakeup_sta_to_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta)
2124 {
2125 u8 update_mask = 0, wmmps_ac = 0;
2126 struct sta_info *psta_bmc;
2127 struct list_head *plist, *phead, *ptmp;
2128 struct xmit_frame *pxmitframe = NULL;
2129 struct sta_priv *pstapriv = &padapter->stapriv;
2130 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2131
2132 spin_lock_bh(&pxmitpriv->lock);
2133
2134 phead = get_list_head(&psta->sleep_q);
2135
2136 list_for_each_safe(plist, ptmp, phead) {
2137 pxmitframe = container_of(plist, struct xmit_frame, list);
2138 list_del_init(&pxmitframe->list);
2139
2140 switch (pxmitframe->attrib.priority) {
2141 case 1:
2142 case 2:
2143 wmmps_ac = psta->uapsd_bk & BIT(1);
2144 break;
2145 case 4:
2146 case 5:
2147 wmmps_ac = psta->uapsd_vi & BIT(1);
2148 break;
2149 case 6:
2150 case 7:
2151 wmmps_ac = psta->uapsd_vo & BIT(1);
2152 break;
2153 case 0:
2154 case 3:
2155 default:
2156 wmmps_ac = psta->uapsd_be & BIT(1);
2157 break;
2158 }
2159
2160 psta->sleepq_len--;
2161 if (psta->sleepq_len > 0)
2162 pxmitframe->attrib.mdata = 1;
2163 else
2164 pxmitframe->attrib.mdata = 0;
2165
2166 if (wmmps_ac) {
2167 psta->sleepq_ac_len--;
2168 if (psta->sleepq_ac_len > 0) {
2169 pxmitframe->attrib.mdata = 1;
2170 pxmitframe->attrib.eosp = 0;
2171 } else {
2172 pxmitframe->attrib.mdata = 0;
2173 pxmitframe->attrib.eosp = 1;
2174 }
2175 }
2176
2177 pxmitframe->attrib.triggered = 1;
2178 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2179 }
2180
2181 if (psta->sleepq_len == 0) {
2182 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2183
2184 /* update BCN for TIM IE */
2185 update_mask = BIT(0);
2186
2187 if (psta->state&WIFI_SLEEP_STATE)
2188 psta->state ^= WIFI_SLEEP_STATE;
2189
2190 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2191 psta->expire_to = pstapriv->expire_to;
2192 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2193 }
2194
2195 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
2196 }
2197
2198 /* spin_unlock_bh(&psta->sleep_q.lock); */
2199 spin_unlock_bh(&pxmitpriv->lock);
2200
2201 /* for BC/MC Frames */
2202 psta_bmc = rtw_get_bcmc_stainfo23a(padapter);
2203 if (!psta_bmc)
2204 return;
2205
2206 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) {
2207 /* no any sta in ps mode */
2208 spin_lock_bh(&pxmitpriv->lock);
2209
2210 phead = get_list_head(&psta_bmc->sleep_q);
2211
2212 list_for_each_safe(plist, ptmp, phead) {
2213 pxmitframe = container_of(plist, struct xmit_frame,
2214 list);
2215
2216 list_del_init(&pxmitframe->list);
2217
2218 psta_bmc->sleepq_len--;
2219 if (psta_bmc->sleepq_len > 0)
2220 pxmitframe->attrib.mdata = 1;
2221 else
2222 pxmitframe->attrib.mdata = 0;
2223
2224 pxmitframe->attrib.triggered = 1;
2225 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2226 }
2227 if (psta_bmc->sleepq_len == 0) {
2228 pstapriv->tim_bitmap &= ~BIT(0);
2229 pstapriv->sta_dz_bitmap &= ~BIT(0);
2230
2231 /* update BCN for TIM IE */
2232 /* update_BCNTIM(padapter); */
2233 update_mask |= BIT(1);
2234 }
2235
2236 /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
2237 spin_unlock_bh(&pxmitpriv->lock);
2238 }
2239
2240 if (update_mask)
2241 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2242 }
2243
xmit_delivery_enabled_frames23a(struct rtw_adapter * padapter,struct sta_info * psta)2244 void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
2245 struct sta_info *psta)
2246 {
2247 u8 wmmps_ac = 0;
2248 struct list_head *plist, *phead, *ptmp;
2249 struct xmit_frame *pxmitframe;
2250 struct sta_priv *pstapriv = &padapter->stapriv;
2251 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2252
2253 /* spin_lock_bh(&psta->sleep_q.lock); */
2254 spin_lock_bh(&pxmitpriv->lock);
2255
2256 phead = get_list_head(&psta->sleep_q);
2257
2258 list_for_each_safe(plist, ptmp, phead) {
2259 pxmitframe = container_of(plist, struct xmit_frame, list);
2260
2261 switch (pxmitframe->attrib.priority) {
2262 case 1:
2263 case 2:
2264 wmmps_ac = psta->uapsd_bk & BIT(1);
2265 break;
2266 case 4:
2267 case 5:
2268 wmmps_ac = psta->uapsd_vi & BIT(1);
2269 break;
2270 case 6:
2271 case 7:
2272 wmmps_ac = psta->uapsd_vo & BIT(1);
2273 break;
2274 case 0:
2275 case 3:
2276 default:
2277 wmmps_ac = psta->uapsd_be & BIT(1);
2278 break;
2279 }
2280
2281 if (!wmmps_ac)
2282 continue;
2283
2284 list_del_init(&pxmitframe->list);
2285
2286 psta->sleepq_len--;
2287 psta->sleepq_ac_len--;
2288
2289 if (psta->sleepq_ac_len > 0) {
2290 pxmitframe->attrib.mdata = 1;
2291 pxmitframe->attrib.eosp = 0;
2292 } else {
2293 pxmitframe->attrib.mdata = 0;
2294 pxmitframe->attrib.eosp = 1;
2295 }
2296
2297 pxmitframe->attrib.triggered = 1;
2298
2299 rtl8723au_hal_xmitframe_enqueue(padapter, pxmitframe);
2300
2301 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) &&
2302 (wmmps_ac)) {
2303 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
2304
2305 /* update BCN for TIM IE */
2306 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
2307 }
2308 }
2309 spin_unlock_bh(&pxmitpriv->lock);
2310 }
2311
2312 #endif
2313
rtw_sctx_init23a(struct submit_ctx * sctx,int timeout_ms)2314 void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms)
2315 {
2316 sctx->timeout_ms = timeout_ms;
2317 init_completion(&sctx->done);
2318 sctx->status = RTW_SCTX_SUBMITTED;
2319 }
2320
rtw_sctx_wait23a(struct submit_ctx * sctx)2321 int rtw_sctx_wait23a(struct submit_ctx *sctx)
2322 {
2323 int ret = _FAIL;
2324 unsigned long expire;
2325 int status = 0;
2326
2327 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) :
2328 MAX_SCHEDULE_TIMEOUT;
2329 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2330 /* timeout, do something?? */
2331 status = RTW_SCTX_DONE_TIMEOUT;
2332 DBG_8723A("%s timeout\n", __func__);
2333 } else {
2334 status = sctx->status;
2335 }
2336
2337 if (status == RTW_SCTX_DONE_SUCCESS)
2338 ret = _SUCCESS;
2339
2340 return ret;
2341 }
2342
rtw_sctx_chk_waring_status(int status)2343 static bool rtw_sctx_chk_waring_status(int status)
2344 {
2345 switch (status) {
2346 case RTW_SCTX_DONE_UNKNOWN:
2347 case RTW_SCTX_DONE_BUF_ALLOC:
2348 case RTW_SCTX_DONE_BUF_FREE:
2349 case RTW_SCTX_DONE_DRV_STOP:
2350 case RTW_SCTX_DONE_DEV_REMOVE:
2351 return true;
2352 default:
2353 return false;
2354 }
2355 }
2356
rtw23a_sctx_done_err(struct submit_ctx ** sctx,int status)2357 void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status)
2358 {
2359 if (*sctx) {
2360 if (rtw_sctx_chk_waring_status(status))
2361 DBG_8723A("%s status:%d\n", __func__, status);
2362 (*sctx)->status = status;
2363 complete(&(*sctx)->done);
2364 *sctx = NULL;
2365 }
2366 }
2367
rtw_ack_tx_wait23a(struct xmit_priv * pxmitpriv,u32 timeout_ms)2368 int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2369 {
2370 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2371
2372 pack_tx_ops->timeout_ms = timeout_ms;
2373 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2374
2375 return rtw_sctx_wait23a(pack_tx_ops);
2376 }
2377
2378