1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #define _RTW_XMIT_C_
8
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11
12 static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
13 static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
14
_init_txservq(struct tx_servq * ptxservq)15 static void _init_txservq(struct tx_servq *ptxservq)
16 {
17 INIT_LIST_HEAD(&ptxservq->tx_pending);
18 _rtw_init_queue(&ptxservq->sta_pending);
19 ptxservq->qcnt = 0;
20 }
21
_rtw_init_sta_xmit_priv(struct sta_xmit_priv * psta_xmitpriv)22 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
23 {
24 memset((unsigned char *)psta_xmitpriv, 0, sizeof(struct sta_xmit_priv));
25
26 spin_lock_init(&psta_xmitpriv->lock);
27
28 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */
29 /* _init_txservq(&(psta_xmitpriv->blk_q[i])); */
30
31 _init_txservq(&psta_xmitpriv->be_q);
32 _init_txservq(&psta_xmitpriv->bk_q);
33 _init_txservq(&psta_xmitpriv->vi_q);
34 _init_txservq(&psta_xmitpriv->vo_q);
35 INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
36 INIT_LIST_HEAD(&psta_xmitpriv->apsd);
37 }
38
_rtw_init_xmit_priv(struct xmit_priv * pxmitpriv,struct adapter * padapter)39 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
40 {
41 int i;
42 struct xmit_buf *pxmitbuf;
43 struct xmit_frame *pxframe;
44 sint res = _SUCCESS;
45
46 spin_lock_init(&pxmitpriv->lock);
47 spin_lock_init(&pxmitpriv->lock_sctx);
48 sema_init(&pxmitpriv->xmit_sema, 0);
49 sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
50
51 /*
52 Please insert all the queue initializaiton using _rtw_init_queue below
53 */
54
55 pxmitpriv->adapter = padapter;
56
57 /* for (i = 0 ; i < MAX_NUMBLKS; i++) */
58 /* _rtw_init_queue(&pxmitpriv->blk_strms[i]); */
59
60 _rtw_init_queue(&pxmitpriv->be_pending);
61 _rtw_init_queue(&pxmitpriv->bk_pending);
62 _rtw_init_queue(&pxmitpriv->vi_pending);
63 _rtw_init_queue(&pxmitpriv->vo_pending);
64 _rtw_init_queue(&pxmitpriv->bm_pending);
65
66 /* _rtw_init_queue(&pxmitpriv->legacy_dz_queue); */
67 /* _rtw_init_queue(&pxmitpriv->apsd_queue); */
68
69 _rtw_init_queue(&pxmitpriv->free_xmit_queue);
70
71 /*
72 Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
73 and initialize free_xmit_frame below.
74 Please also apply free_txobj to link_up all the xmit_frames...
75 */
76
77 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
78
79 if (pxmitpriv->pallocated_frame_buf == NULL) {
80 pxmitpriv->pxmit_frame_buf = NULL;
81 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
82 res = _FAIL;
83 goto exit;
84 }
85 pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4);
86 /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
87 /* ((SIZE_PTR) (pxmitpriv->pallocated_frame_buf) &3); */
88
89 pxframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf;
90
91 for (i = 0; i < NR_XMITFRAME; i++) {
92 INIT_LIST_HEAD(&(pxframe->list));
93
94 pxframe->padapter = padapter;
95 pxframe->frame_tag = NULL_FRAMETAG;
96
97 pxframe->pkt = NULL;
98
99 pxframe->buf_addr = NULL;
100 pxframe->pxmitbuf = NULL;
101
102 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
103
104 pxframe++;
105 }
106
107 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
108
109 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
110
111
112 /* init xmit_buf */
113 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
114 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
115
116 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
117
118 if (pxmitpriv->pallocated_xmitbuf == NULL) {
119 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
120 res = _FAIL;
121 goto exit;
122 }
123
124 pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4);
125 /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
126 /* ((SIZE_PTR) (pxmitpriv->pallocated_xmitbuf) &3); */
127
128 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
129
130 for (i = 0; i < NR_XMITBUFF; i++) {
131 INIT_LIST_HEAD(&pxmitbuf->list);
132
133 pxmitbuf->priv_data = NULL;
134 pxmitbuf->padapter = padapter;
135 pxmitbuf->buf_tag = XMITBUF_DATA;
136
137 /* Tx buf allocation may fail sometimes, so sleep and retry. */
138 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
139 if (res == _FAIL) {
140 msleep(10);
141 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
142 if (res == _FAIL)
143 goto exit;
144 }
145
146 pxmitbuf->phead = pxmitbuf->pbuf;
147 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ;
148 pxmitbuf->len = 0;
149 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
150
151 pxmitbuf->flags = XMIT_VO_QUEUE;
152
153 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
154 #ifdef DBG_XMIT_BUF
155 pxmitbuf->no = i;
156 #endif
157
158 pxmitbuf++;
159
160 }
161
162 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
163
164 /* init xframe_ext queue, the same count as extbuf */
165 _rtw_init_queue(&pxmitpriv->free_xframe_ext_queue);
166
167 pxmitpriv->xframe_ext_alloc_addr = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4);
168
169 if (pxmitpriv->xframe_ext_alloc_addr == NULL) {
170 pxmitpriv->xframe_ext = NULL;
171 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xframe_ext fail!\n"));
172 res = _FAIL;
173 goto exit;
174 }
175 pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4);
176 pxframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
177
178 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
179 INIT_LIST_HEAD(&(pxframe->list));
180
181 pxframe->padapter = padapter;
182 pxframe->frame_tag = NULL_FRAMETAG;
183
184 pxframe->pkt = NULL;
185
186 pxframe->buf_addr = NULL;
187 pxframe->pxmitbuf = NULL;
188
189 pxframe->ext_tag = 1;
190
191 list_add_tail(&(pxframe->list), &(pxmitpriv->free_xframe_ext_queue.queue));
192
193 pxframe++;
194 }
195 pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF;
196
197 /* Init xmit extension buff */
198 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
199
200 pxmitpriv->pallocated_xmit_extbuf = vzalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4);
201
202 if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
203 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
204 res = _FAIL;
205 goto exit;
206 }
207
208 pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4);
209
210 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
211
212 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
213 INIT_LIST_HEAD(&pxmitbuf->list);
214
215 pxmitbuf->priv_data = NULL;
216 pxmitbuf->padapter = padapter;
217 pxmitbuf->buf_tag = XMITBUF_MGNT;
218
219 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, true);
220 if (res == _FAIL) {
221 res = _FAIL;
222 goto exit;
223 }
224
225 pxmitbuf->phead = pxmitbuf->pbuf;
226 pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ;
227 pxmitbuf->len = 0;
228 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
229
230 list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
231 #ifdef DBG_XMIT_BUF_EXT
232 pxmitbuf->no = i;
233 #endif
234 pxmitbuf++;
235
236 }
237
238 pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF;
239
240 for (i = 0; i < CMDBUF_MAX; i++) {
241 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
242 if (pxmitbuf) {
243 INIT_LIST_HEAD(&pxmitbuf->list);
244
245 pxmitbuf->priv_data = NULL;
246 pxmitbuf->padapter = padapter;
247 pxmitbuf->buf_tag = XMITBUF_CMD;
248
249 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
250 if (res == _FAIL) {
251 res = _FAIL;
252 goto exit;
253 }
254
255 pxmitbuf->phead = pxmitbuf->pbuf;
256 pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ;
257 pxmitbuf->len = 0;
258 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
259 pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ;
260 }
261 }
262
263 rtw_alloc_hwxmits(padapter);
264 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
265
266 for (i = 0; i < 4; i++) {
267 pxmitpriv->wmm_para_seq[i] = i;
268 }
269
270 pxmitpriv->ack_tx = false;
271 mutex_init(&pxmitpriv->ack_tx_mutex);
272 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
273
274 rtw_hal_init_xmit_priv(padapter);
275
276 exit:
277 return res;
278 }
279
_rtw_free_xmit_priv(struct xmit_priv * pxmitpriv)280 void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
281 {
282 int i;
283 struct adapter *padapter = pxmitpriv->adapter;
284 struct xmit_frame *pxmitframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf;
285 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
286
287 rtw_hal_free_xmit_priv(padapter);
288
289 if (pxmitpriv->pxmit_frame_buf == NULL)
290 return;
291
292 for (i = 0; i < NR_XMITFRAME; i++) {
293 rtw_os_xmit_complete(padapter, pxmitframe);
294
295 pxmitframe++;
296 }
297
298 for (i = 0; i < NR_XMITBUFF; i++) {
299 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), true);
300
301 pxmitbuf++;
302 }
303
304 if (pxmitpriv->pallocated_frame_buf)
305 vfree(pxmitpriv->pallocated_frame_buf);
306
307
308 if (pxmitpriv->pallocated_xmitbuf)
309 vfree(pxmitpriv->pallocated_xmitbuf);
310
311 /* free xframe_ext queue, the same count as extbuf */
312 pxmitframe = (struct xmit_frame *)pxmitpriv->xframe_ext;
313 if (pxmitframe) {
314 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
315 rtw_os_xmit_complete(padapter, pxmitframe);
316 pxmitframe++;
317 }
318 }
319 if (pxmitpriv->xframe_ext_alloc_addr)
320 vfree(pxmitpriv->xframe_ext_alloc_addr);
321
322 /* free xmit extension buff */
323 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
324 for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
325 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ), true);
326
327 pxmitbuf++;
328 }
329
330 if (pxmitpriv->pallocated_xmit_extbuf) {
331 vfree(pxmitpriv->pallocated_xmit_extbuf);
332 }
333
334 for (i = 0; i < CMDBUF_MAX; i++) {
335 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[i];
336 if (pxmitbuf != NULL)
337 rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, true);
338 }
339
340 rtw_free_hwxmits(padapter);
341
342 mutex_destroy(&pxmitpriv->ack_tx_mutex);
343 }
344
query_ra_short_GI(struct sta_info * psta)345 u8 query_ra_short_GI(struct sta_info *psta)
346 {
347 u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false;
348
349 sgi_20m = psta->htpriv.sgi_20m;
350 sgi_40m = psta->htpriv.sgi_40m;
351
352 switch (psta->bw_mode) {
353 case CHANNEL_WIDTH_80:
354 sgi = sgi_80m;
355 break;
356 case CHANNEL_WIDTH_40:
357 sgi = sgi_40m;
358 break;
359 case CHANNEL_WIDTH_20:
360 default:
361 sgi = sgi_20m;
362 break;
363 }
364
365 return sgi;
366 }
367
update_attrib_vcs_info(struct adapter * padapter,struct xmit_frame * pxmitframe)368 static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
369 {
370 u32 sz;
371 struct pkt_attrib *pattrib = &pxmitframe->attrib;
372 /* struct sta_info *psta = pattrib->psta; */
373 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
374 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
375
376 if (pattrib->nr_frags != 1)
377 sz = padapter->xmitpriv.frag_len;
378 else /* no frag */
379 sz = pattrib->last_txcmdsz;
380
381 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
382 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
383 /* Other fragments are protected by previous fragment. */
384 /* So we only need to check the length of first fragment. */
385 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
386 if (sz > padapter->registrypriv.rts_thresh)
387 pattrib->vcs_mode = RTS_CTS;
388 else{
389 if (pattrib->rtsen)
390 pattrib->vcs_mode = RTS_CTS;
391 else if (pattrib->cts2self)
392 pattrib->vcs_mode = CTS_TO_SELF;
393 else
394 pattrib->vcs_mode = NONE_VCS;
395 }
396 } else{
397 while (true) {
398 /* IOT action */
399 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en == true) &&
400 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
401 pattrib->vcs_mode = CTS_TO_SELF;
402 break;
403 }
404
405
406 /* check ERP protection */
407 if (pattrib->rtsen || pattrib->cts2self) {
408 if (pattrib->rtsen)
409 pattrib->vcs_mode = RTS_CTS;
410 else if (pattrib->cts2self)
411 pattrib->vcs_mode = CTS_TO_SELF;
412
413 break;
414 }
415
416 /* check HT op mode */
417 if (pattrib->ht_en) {
418 u8 HTOpMode = pmlmeinfo->HT_protection;
419 if ((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) ||
420 (!pmlmeext->cur_bwmode && HTOpMode == 3)) {
421 pattrib->vcs_mode = RTS_CTS;
422 break;
423 }
424 }
425
426 /* check rts */
427 if (sz > padapter->registrypriv.rts_thresh) {
428 pattrib->vcs_mode = RTS_CTS;
429 break;
430 }
431
432 /* to do list: check MIMO power save condition. */
433
434 /* check AMPDU aggregation for TXOP */
435 if (pattrib->ampdu_en == true) {
436 pattrib->vcs_mode = RTS_CTS;
437 break;
438 }
439
440 pattrib->vcs_mode = NONE_VCS;
441 break;
442 }
443 }
444
445 /* for debug : force driver control vrtl_carrier_sense. */
446 if (padapter->driver_vcs_en == 1)
447 pattrib->vcs_mode = padapter->driver_vcs_type;
448 }
449
update_attrib_phy_info(struct adapter * padapter,struct pkt_attrib * pattrib,struct sta_info * psta)450 static void update_attrib_phy_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
451 {
452 struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv;
453
454 pattrib->rtsen = psta->rtsen;
455 pattrib->cts2self = psta->cts2self;
456
457 pattrib->mdata = 0;
458 pattrib->eosp = 0;
459 pattrib->triggered = 0;
460 pattrib->ampdu_spacing = 0;
461
462 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
463 pattrib->qos_en = psta->qos_option;
464
465 pattrib->raid = psta->raid;
466
467 if (mlmeext->cur_bwmode < psta->bw_mode)
468 pattrib->bwmode = mlmeext->cur_bwmode;
469 else
470 pattrib->bwmode = psta->bw_mode;
471
472 pattrib->sgi = query_ra_short_GI(psta);
473
474 pattrib->ldpc = psta->ldpc;
475 pattrib->stbc = psta->stbc;
476
477 pattrib->ht_en = psta->htpriv.ht_option;
478 pattrib->ch_offset = psta->htpriv.ch_offset;
479 pattrib->ampdu_en = false;
480
481 if (padapter->driver_ampdu_spacing != 0xFF) /* driver control AMPDU Density for peer sta's rx */
482 pattrib->ampdu_spacing = padapter->driver_ampdu_spacing;
483 else
484 pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing;
485
486 /* if (pattrib->ht_en && psta->htpriv.ampdu_enable) */
487 /* */
488 /* if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) */
489 /* pattrib->ampdu_en = true; */
490 /* */
491
492
493 pattrib->retry_ctrl = false;
494
495 #ifdef CONFIG_AUTO_AP_MODE
496 if (psta->isrc && psta->pid > 0)
497 pattrib->pctrl = true;
498 #endif
499
500 }
501
update_attrib_sec_info(struct adapter * padapter,struct pkt_attrib * pattrib,struct sta_info * psta)502 static s32 update_attrib_sec_info(struct adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta)
503 {
504 sint res = _SUCCESS;
505 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
506 struct security_priv *psecuritypriv = &padapter->securitypriv;
507 sint bmcast = IS_MCAST(pattrib->ra);
508
509 memset(pattrib->dot118021x_UncstKey.skey, 0, 16);
510 memset(pattrib->dot11tkiptxmickey.skey, 0, 16);
511 pattrib->mac_id = psta->mac_id;
512
513 if (psta->ieee8021x_blocked == true) {
514 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
515
516 pattrib->encrypt = 0;
517
518 if ((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == false)) {
519 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
520 #ifdef DBG_TX_DROP_FRAME
521 DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == true, pattrib->ether_type(%04x) != 0x888e\n", __func__, pattrib->ether_type);
522 #endif
523 res = _FAIL;
524 goto exit;
525 }
526 } else{
527 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
528
529 switch (psecuritypriv->dot11AuthAlgrthm) {
530 case dot11AuthAlgrthm_Open:
531 case dot11AuthAlgrthm_Shared:
532 case dot11AuthAlgrthm_Auto:
533 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
534 break;
535 case dot11AuthAlgrthm_8021X:
536 if (bmcast)
537 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
538 else
539 pattrib->key_idx = 0;
540 break;
541 default:
542 pattrib->key_idx = 0;
543 break;
544 }
545
546 /* For WPS 1.0 WEP, driver should not encrypt EAPOL Packet for WPS handshake. */
547 if (((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) && (pattrib->ether_type == 0x888e))
548 pattrib->encrypt = _NO_PRIVACY_;
549
550 }
551
552 switch (pattrib->encrypt) {
553 case _WEP40_:
554 case _WEP104_:
555 pattrib->iv_len = 4;
556 pattrib->icv_len = 4;
557 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
558 break;
559
560 case _TKIP_:
561 pattrib->iv_len = 8;
562 pattrib->icv_len = 4;
563
564 if (psecuritypriv->busetkipkey == _FAIL) {
565 #ifdef DBG_TX_DROP_FRAME
566 DBG_871X("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d) == _FAIL drop packet\n", __func__, psecuritypriv->busetkipkey);
567 #endif
568 res = _FAIL;
569 goto exit;
570 }
571
572 if (bmcast)
573 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
574 else
575 TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
576
577
578 memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16);
579
580 break;
581
582 case _AES_:
583
584 pattrib->iv_len = 8;
585 pattrib->icv_len = 8;
586
587 if (bmcast)
588 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
589 else
590 AES_IV(pattrib->iv, psta->dot11txpn, 0);
591
592 break;
593
594 default:
595 pattrib->iv_len = 0;
596 pattrib->icv_len = 0;
597 break;
598 }
599
600 if (pattrib->encrypt > 0)
601 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
602
603 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
604 ("update_attrib: encrypt =%d securitypriv.sw_encrypt =%d\n",
605 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
606
607 if (pattrib->encrypt &&
608 ((padapter->securitypriv.sw_encrypt == true) || (psecuritypriv->hw_decrypted == false))) {
609 pattrib->bswenc = true;
610 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
611 ("update_attrib: encrypt =%d securitypriv.hw_decrypted =%d bswenc =true\n",
612 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
613 } else {
614 pattrib->bswenc = false;
615 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc =false\n"));
616 }
617
618 exit:
619
620 return res;
621
622 }
623
qos_acm(u8 acm_mask,u8 priority)624 u8 qos_acm(u8 acm_mask, u8 priority)
625 {
626 u8 change_priority = priority;
627
628 switch (priority) {
629 case 0:
630 case 3:
631 if (acm_mask & BIT(1))
632 change_priority = 1;
633 break;
634 case 1:
635 case 2:
636 break;
637 case 4:
638 case 5:
639 if (acm_mask & BIT(2))
640 change_priority = 0;
641 break;
642 case 6:
643 case 7:
644 if (acm_mask & BIT(3))
645 change_priority = 5;
646 break;
647 default:
648 DBG_871X("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
649 break;
650 }
651
652 return change_priority;
653 }
654
set_qos(struct pkt_file * ppktfile,struct pkt_attrib * pattrib)655 static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
656 {
657 struct ethhdr etherhdr;
658 struct iphdr ip_hdr;
659 s32 UserPriority = 0;
660
661
662 _rtw_open_pktfile(ppktfile->pkt, ppktfile);
663 _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN);
664
665 /* get UserPriority from IP hdr */
666 if (pattrib->ether_type == 0x0800) {
667 _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
668 /* UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
669 UserPriority = ip_hdr.tos >> 5;
670 }
671 pattrib->priority = UserPriority;
672 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
673 pattrib->subtype = WIFI_QOS_DATA_TYPE;
674 }
675
update_attrib(struct adapter * padapter,_pkt * pkt,struct pkt_attrib * pattrib)676 static s32 update_attrib(struct adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib)
677 {
678 uint i;
679 struct pkt_file pktfile;
680 struct sta_info *psta = NULL;
681 struct ethhdr etherhdr;
682
683 sint bmcast;
684 struct sta_priv *pstapriv = &padapter->stapriv;
685 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
686 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
687 sint res = _SUCCESS;
688
689 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib);
690
691 _rtw_open_pktfile(pkt, &pktfile);
692 i = _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN);
693
694 pattrib->ether_type = ntohs(etherhdr.h_proto);
695
696
697 memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
698 memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
699
700
701 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
702 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
703 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
704 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
705 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc);
706 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
707 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
708 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
709 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta);
710 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
711 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
712 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
713 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap);
714 } else
715 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown);
716
717 pattrib->pktlen = pktfile.pkt_len;
718
719 if (ETH_P_IP == pattrib->ether_type) {
720 /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
721 /* to prevent DHCP protocol fail */
722
723 u8 tmp[24];
724
725 _rtw_pktfile_read(&pktfile, &tmp[0], 24);
726
727 pattrib->dhcp_pkt = 0;
728 if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
729 if (ETH_P_IP == pattrib->ether_type) {/* IP header */
730 if (((tmp[21] == 68) && (tmp[23] == 67)) ||
731 ((tmp[21] == 67) && (tmp[23] == 68))) {
732 /* 68 : UDP BOOTP client */
733 /* 67 : UDP BOOTP server */
734 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======================update_attrib: get DHCP Packet\n"));
735 pattrib->dhcp_pkt = 1;
736 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp);
737 }
738 }
739 }
740
741 /* for parsing ICMP pakcets */
742 {
743 struct iphdr *piphdr = (struct iphdr *)tmp;
744
745 pattrib->icmp_pkt = 0;
746 if (piphdr->protocol == 0x1) { /* protocol type in ip header 0x1 is ICMP */
747 pattrib->icmp_pkt = 1;
748 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp);
749 }
750 }
751
752
753 } else if (0x888e == pattrib->ether_type) {
754 DBG_871X_LEVEL(_drv_always_, "send eapol packet\n");
755 }
756
757 if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
758 rtw_set_scan_deny(padapter, 3000);
759
760 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
761 if (pattrib->icmp_pkt == 1)
762 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1);
763 else if (pattrib->dhcp_pkt == 1) {
764 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active);
765 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
766 }
767
768 bmcast = IS_MCAST(pattrib->ra);
769
770 /* get sta_info */
771 if (bmcast) {
772 psta = rtw_get_bcmc_stainfo(padapter);
773 } else {
774 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
775 if (psta == NULL) { /* if we cannot get psta => drop the pkt */
776 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta);
777 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra)));
778 #ifdef DBG_TX_DROP_FRAME
779 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
780 #endif
781 res = _FAIL;
782 goto exit;
783 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
784 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link);
785 res = _FAIL;
786 goto exit;
787 }
788 }
789
790 if (psta == NULL) {
791 /* if we cannot get psta => drop the pkt */
792 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta);
793 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra)));
794 #ifdef DBG_TX_DROP_FRAME
795 DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra));
796 #endif
797 res = _FAIL;
798 goto exit;
799 }
800
801 if (!(psta->state & _FW_LINKED)) {
802 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link);
803 DBG_871X("%s, psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, MAC_ARG(psta->hwaddr), psta->state);
804 return _FAIL;
805 }
806
807
808
809 /* TODO:_lock */
810 if (update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) {
811 DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec);
812 res = _FAIL;
813 goto exit;
814 }
815
816 update_attrib_phy_info(padapter, pattrib, psta);
817
818 /* DBG_8192C("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
819
820 pattrib->psta = psta;
821 /* TODO:_unlock */
822
823 pattrib->pctrl = 0;
824
825 pattrib->ack_policy = 0;
826 /* get ether_hdr_len */
827 pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
828
829 pattrib->hdrlen = WLAN_HDR_A3_LEN;
830 pattrib->subtype = WIFI_DATA_TYPE;
831 pattrib->priority = 0;
832
833 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
834 if (pattrib->qos_en)
835 set_qos(&pktfile, pattrib);
836 } else{
837 if (pqospriv->qos_option) {
838 set_qos(&pktfile, pattrib);
839
840 if (pmlmepriv->acm_mask != 0)
841 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
842
843 }
844 }
845
846 /* pattrib->priority = 5; force to used VI queue, for testing */
847
848 exit:
849 return res;
850 }
851
xmitframe_addmic(struct adapter * padapter,struct xmit_frame * pxmitframe)852 static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
853 {
854 sint curfragnum, length;
855 u8 *pframe, *payload, mic[8];
856 struct mic_data micdata;
857 /* struct sta_info *stainfo; */
858 struct pkt_attrib *pattrib = &pxmitframe->attrib;
859 struct security_priv *psecuritypriv = &padapter->securitypriv;
860 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
861 u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
862 u8 hw_hdr_offset = 0;
863 sint bmcst = IS_MCAST(pattrib->ra);
864
865 /*
866 if (pattrib->psta)
867 {
868 stainfo = pattrib->psta;
869 }
870 else
871 {
872 DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
873 stainfo =rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]);
874 }
875
876 if (stainfo == NULL)
877 {
878 DBG_871X("%s, psta ==NUL\n", __func__);
879 return _FAIL;
880 }
881
882 if (!(stainfo->state &_FW_LINKED))
883 {
884 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state);
885 return _FAIL;
886 }
887 */
888
889 hw_hdr_offset = TXDESC_OFFSET;
890
891 if (pattrib->encrypt == _TKIP_) { /* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
892 /* encode mic code */
893 /* if (stainfo!= NULL) */
894 {
895 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
896
897 pframe = pxmitframe->buf_addr + hw_hdr_offset;
898
899 if (bmcst) {
900 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) {
901 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
902 /* msleep(10); */
903 return _FAIL;
904 }
905 /* start to calculate the mic code */
906 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
907 } else {
908 if (!memcmp(&pattrib->dot11tkiptxmickey.skey[0], null_key, 16)) {
909 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
910 /* msleep(10); */
911 return _FAIL;
912 }
913 /* start to calculate the mic code */
914 rtw_secmicsetkey(&micdata, &pattrib->dot11tkiptxmickey.skey[0]);
915 }
916
917 if (pframe[1]&1) { /* ToDS == 1 */
918 rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */
919 if (pframe[1]&2) /* From Ds == 1 */
920 rtw_secmicappend(&micdata, &pframe[24], 6);
921 else
922 rtw_secmicappend(&micdata, &pframe[10], 6);
923 } else { /* ToDS == 0 */
924 rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */
925 if (pframe[1]&2) /* From Ds == 1 */
926 rtw_secmicappend(&micdata, &pframe[16], 6);
927 else
928 rtw_secmicappend(&micdata, &pframe[10], 6);
929
930 }
931
932 /* if (pqospriv->qos_option == 1) */
933 if (pattrib->qos_en)
934 priority[0] = (u8)pxmitframe->attrib.priority;
935
936
937 rtw_secmicappend(&micdata, &priority[0], 4);
938
939 payload = pframe;
940
941 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
942 payload = (u8 *)RND4((SIZE_PTR)(payload));
943 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("===curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
944 curfragnum, *payload, *(payload+1), *(payload+2), *(payload+3), *(payload+4), *(payload+5), *(payload+6), *(payload+7)));
945
946 payload = payload+pattrib->hdrlen+pattrib->iv_len;
947 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d pattrib->hdrlen =%d pattrib->iv_len =%d", curfragnum, pattrib->hdrlen, pattrib->iv_len));
948 if ((curfragnum+1) == pattrib->nr_frags) {
949 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
950 rtw_secmicappend(&micdata, payload, length);
951 payload = payload+length;
952 } else{
953 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
954 rtw_secmicappend(&micdata, payload, length);
955 payload = payload+length+pattrib->icv_len;
956 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum =%d length =%d pattrib->icv_len =%d", curfragnum, length, pattrib->icv_len));
957 }
958 }
959 rtw_secgetmic(&micdata, &(mic[0]));
960 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
961 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz =%d!!!\n", pattrib->last_txcmdsz));
962 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]= 0x%.2x , mic[1]= 0x%.2x , mic[2]= 0x%.2x , mic[3]= 0x%.2x\n\
963 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
964 mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
965 /* add mic code and add the mic code length in last_txcmdsz */
966
967 memcpy(payload, &(mic[0]), 8);
968 pattrib->last_txcmdsz += 8;
969
970 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ========last pkt ========\n"));
971 payload = payload-pattrib->last_txcmdsz+8;
972 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
973 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
974 *(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2), *(payload+curfragnum+3),
975 *(payload+curfragnum+4), *(payload+curfragnum+5), *(payload+curfragnum+6), *(payload+curfragnum+7)));
976 }
977 /*
978 else {
979 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo == NULL!!!\n"));
980 }
981 */
982 }
983 return _SUCCESS;
984 }
985
xmitframe_swencrypt(struct adapter * padapter,struct xmit_frame * pxmitframe)986 static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
987 {
988
989 struct pkt_attrib *pattrib = &pxmitframe->attrib;
990 /* struct security_priv *psecuritypriv =&padapter->securitypriv; */
991
992 /* if ((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) */
993 if (pattrib->bswenc) {
994 /* DBG_871X("start xmitframe_swencrypt\n"); */
995 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
996 switch (pattrib->encrypt) {
997 case _WEP40_:
998 case _WEP104_:
999 rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
1000 break;
1001 case _TKIP_:
1002 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
1003 break;
1004 case _AES_:
1005 rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
1006 break;
1007 default:
1008 break;
1009 }
1010
1011 } else
1012 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
1013
1014 return _SUCCESS;
1015 }
1016
rtw_make_wlanhdr(struct adapter * padapter,u8 * hdr,struct pkt_attrib * pattrib)1017 s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib)
1018 {
1019 u16 *qc;
1020
1021 struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
1022 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1023 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1024 u8 qos_option = false;
1025 sint res = _SUCCESS;
1026 __le16 *fctrl = &pwlanhdr->frame_control;
1027
1028 memset(hdr, 0, WLANHDR_OFFSET);
1029
1030 SetFrameSubType(fctrl, pattrib->subtype);
1031
1032 if (pattrib->subtype & WIFI_DATA_TYPE) {
1033 if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
1034 /* to_ds = 1, fr_ds = 0; */
1035
1036 {
1037 /* 1.Data transfer to AP */
1038 /* 2.Arp pkt will relayed by AP */
1039 SetToDs(fctrl);
1040 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
1041 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
1042 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
1043 }
1044
1045 if (pqospriv->qos_option)
1046 qos_option = true;
1047
1048 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)) {
1049 /* to_ds = 0, fr_ds = 1; */
1050 SetFrDs(fctrl);
1051 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
1052 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
1053 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
1054
1055 if (pattrib->qos_en)
1056 qos_option = true;
1057 } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) ||
1058 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
1059 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
1060 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
1061 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
1062
1063 if (pattrib->qos_en)
1064 qos_option = true;
1065 } else {
1066 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
1067 res = _FAIL;
1068 goto exit;
1069 }
1070
1071 if (pattrib->mdata)
1072 SetMData(fctrl);
1073
1074 if (pattrib->encrypt)
1075 SetPrivacy(fctrl);
1076
1077 if (qos_option) {
1078 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
1079
1080 if (pattrib->priority)
1081 SetPriority(qc, pattrib->priority);
1082
1083 SetEOSP(qc, pattrib->eosp);
1084
1085 SetAckpolicy(qc, pattrib->ack_policy);
1086 }
1087
1088 /* TODO: fill HT Control Field */
1089
1090 /* Update Seq Num will be handled by f/w */
1091 {
1092 struct sta_info *psta;
1093 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1094 if (pattrib->psta != psta) {
1095 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
1096 return _FAIL;
1097 }
1098
1099 if (psta == NULL) {
1100 DBG_871X("%s, psta ==NUL\n", __func__);
1101 return _FAIL;
1102 }
1103
1104 if (!(psta->state & _FW_LINKED)) {
1105 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
1106 return _FAIL;
1107 }
1108
1109
1110 if (psta) {
1111 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
1112 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
1113 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
1114
1115 SetSeqNum(hdr, pattrib->seqnum);
1116
1117 /* check if enable ampdu */
1118 if (pattrib->ht_en && psta->htpriv.ampdu_enable)
1119 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
1120 pattrib->ampdu_en = true;
1121
1122
1123 /* re-check if enable ampdu by BA_starting_seqctrl */
1124 if (pattrib->ampdu_en == true) {
1125 u16 tx_seq;
1126
1127 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
1128
1129 /* check BA_starting_seqctrl */
1130 if (SN_LESS(pattrib->seqnum, tx_seq)) {
1131 /* DBG_871X("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); */
1132 pattrib->ampdu_en = false;/* AGG BK */
1133 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
1134 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
1135
1136 pattrib->ampdu_en = true;/* AGG EN */
1137 } else{
1138 /* DBG_871X("tx ampdu over run\n"); */
1139 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
1140 pattrib->ampdu_en = true;/* AGG EN */
1141 }
1142
1143 }
1144 }
1145 }
1146
1147 } else{
1148
1149 }
1150
1151 exit:
1152 return res;
1153 }
1154
rtw_txframes_pending(struct adapter * padapter)1155 s32 rtw_txframes_pending(struct adapter *padapter)
1156 {
1157 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1158
1159 return ((!list_empty(&pxmitpriv->be_pending.queue)) ||
1160 (!list_empty(&pxmitpriv->bk_pending.queue)) ||
1161 (!list_empty(&pxmitpriv->vi_pending.queue)) ||
1162 (!list_empty(&pxmitpriv->vo_pending.queue)));
1163 }
1164
1165 /*
1166 * Calculate wlan 802.11 packet MAX size from pkt_attrib
1167 * This function doesn't consider fragment case
1168 */
rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib * pattrib)1169 u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
1170 {
1171 u32 len = 0;
1172
1173 len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
1174 len += SNAP_SIZE + sizeof(u16); /* LLC */
1175 len += pattrib->pktlen;
1176 if (pattrib->encrypt == _TKIP_)
1177 len += 8; /* MIC */
1178 len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
1179
1180 return len;
1181 }
1182
1183 /*
1184
1185 This sub-routine will perform all the following:
1186
1187 1. remove 802.3 header.
1188 2. create wlan_header, based on the info in pxmitframe
1189 3. append sta's iv/ext-iv
1190 4. append LLC
1191 5. move frag chunk from pframe to pxmitframe->mem
1192 6. apply sw-encrypt, if necessary.
1193
1194 */
rtw_xmitframe_coalesce(struct adapter * padapter,_pkt * pkt,struct xmit_frame * pxmitframe)1195 s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe)
1196 {
1197 struct pkt_file pktfile;
1198
1199 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1200
1201 SIZE_PTR addr;
1202
1203 u8 *pframe, *mem_start;
1204 u8 hw_hdr_offset;
1205
1206 /* struct sta_info *psta; */
1207 /* struct sta_priv *pstapriv = &padapter->stapriv; */
1208 /* struct mlme_priv *pmlmepriv = &padapter->mlmepriv; */
1209 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1210
1211 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1212
1213 u8 *pbuf_start;
1214
1215 s32 bmcst = IS_MCAST(pattrib->ra);
1216 s32 res = _SUCCESS;
1217
1218 /*
1219 if (pattrib->psta)
1220 {
1221 psta = pattrib->psta;
1222 } else
1223 {
1224 DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
1225 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1226 }
1227
1228 if (psta == NULL)
1229 {
1230
1231 DBG_871X("%s, psta ==NUL\n", __func__);
1232 return _FAIL;
1233 }
1234
1235
1236 if (!(psta->state &_FW_LINKED))
1237 {
1238 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
1239 return _FAIL;
1240 }
1241 */
1242 if (pxmitframe->buf_addr == NULL) {
1243 DBG_8192C("==> %s buf_addr == NULL\n", __func__);
1244 return _FAIL;
1245 }
1246
1247 pbuf_start = pxmitframe->buf_addr;
1248
1249 hw_hdr_offset = TXDESC_OFFSET;
1250 mem_start = pbuf_start + hw_hdr_offset;
1251
1252 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1253 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
1254 DBG_8192C("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
1255 res = _FAIL;
1256 goto exit;
1257 }
1258
1259 _rtw_open_pktfile(pkt, &pktfile);
1260 _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
1261
1262 frg_inx = 0;
1263 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1264
1265 while (1) {
1266 llc_sz = 0;
1267
1268 mpdu_len = frg_len;
1269
1270 pframe = mem_start;
1271
1272 SetMFrag(mem_start);
1273
1274 pframe += pattrib->hdrlen;
1275 mpdu_len -= pattrib->hdrlen;
1276
1277 /* adding icv, if necessary... */
1278 if (pattrib->iv_len) {
1279 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1280
1281 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1282 ("rtw_xmitframe_coalesce: keyid =%d pattrib->iv[3]=%.2x pframe =%.2x %.2x %.2x %.2x\n",
1283 padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
1284
1285 pframe += pattrib->iv_len;
1286
1287 mpdu_len -= pattrib->iv_len;
1288 }
1289
1290 if (frg_inx == 0) {
1291 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1292 pframe += llc_sz;
1293 mpdu_len -= llc_sz;
1294 }
1295
1296 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1297 mpdu_len -= pattrib->icv_len;
1298 }
1299
1300
1301 if (bmcst) {
1302 /* don't do fragment to broadcat/multicast packets */
1303 mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
1304 } else {
1305 mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
1306 }
1307
1308 pframe += mem_sz;
1309
1310 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1311 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1312 pframe += pattrib->icv_len;
1313 }
1314
1315 frg_inx++;
1316
1317 if (bmcst || (rtw_endofpktfile(&pktfile) == true)) {
1318 pattrib->nr_frags = frg_inx;
1319
1320 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz:0) +
1321 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
1322
1323 ClearMFrag(mem_start);
1324
1325 break;
1326 } else
1327 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1328
1329 addr = (SIZE_PTR)(pframe);
1330
1331 mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
1332 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1333
1334 }
1335
1336 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1337 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1338 DBG_8192C("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1339 res = _FAIL;
1340 goto exit;
1341 }
1342
1343 xmitframe_swencrypt(padapter, pxmitframe);
1344
1345 if (bmcst == false)
1346 update_attrib_vcs_info(padapter, pxmitframe);
1347 else
1348 pattrib->vcs_mode = NONE_VCS;
1349
1350 exit:
1351 return res;
1352 }
1353
1354 /* broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption */
rtw_mgmt_xmitframe_coalesce(struct adapter * padapter,_pkt * pkt,struct xmit_frame * pxmitframe)1355 s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe)
1356 {
1357 u8 *pframe, *mem_start = NULL, *tmp_buf = NULL;
1358 u8 subtype;
1359 struct sta_info *psta = NULL;
1360 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1361 s32 bmcst = IS_MCAST(pattrib->ra);
1362 u8 *BIP_AAD = NULL;
1363 u8 *MGMT_body = NULL;
1364
1365 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1366 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1367 struct ieee80211_hdr *pwlanhdr;
1368 u8 MME[_MME_IE_LENGTH_];
1369 u32 ori_len;
1370 mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET;
1371 pwlanhdr = (struct ieee80211_hdr *)pframe;
1372
1373 ori_len = BIP_AAD_SIZE+pattrib->pktlen;
1374 tmp_buf = BIP_AAD = rtw_zmalloc(ori_len);
1375 subtype = GetFrameSubType(pframe); /* bit(7)~bit(2) */
1376
1377 if (BIP_AAD == NULL)
1378 return _FAIL;
1379
1380 spin_lock_bh(&padapter->security_key_mutex);
1381
1382 /* only support station mode */
1383 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE) || !check_fwstate(pmlmepriv, _FW_LINKED))
1384 goto xmitframe_coalesce_success;
1385
1386 /* IGTK key is not install, it may not support 802.11w */
1387 if (padapter->securitypriv.binstallBIPkey != true) {
1388 DBG_871X("no instll BIP key\n");
1389 goto xmitframe_coalesce_success;
1390 }
1391 /* station mode doesn't need TX BIP, just ready the code */
1392 if (bmcst) {
1393 int frame_body_len;
1394 u8 mic[16];
1395
1396 memset(MME, 0, 18);
1397
1398 /* other types doesn't need the BIP */
1399 if (GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC)
1400 goto xmitframe_coalesce_fail;
1401
1402 MGMT_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1403 pframe += pattrib->pktlen;
1404
1405 /* octent 0 and 1 is key index , BIP keyid is 4 or 5, LSB only need octent 0 */
1406 MME[0] = padapter->securitypriv.dot11wBIPKeyid;
1407 /* copy packet number */
1408 memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6);
1409 /* increase the packet number */
1410 pmlmeext->mgnt_80211w_IPN++;
1411
1412 /* add MME IE with MIC all zero, MME string doesn't include element id and length */
1413 pframe = rtw_set_ie(pframe, _MME_IE_, 16, MME, &(pattrib->pktlen));
1414 pattrib->last_txcmdsz = pattrib->pktlen;
1415 /* total frame length - header length */
1416 frame_body_len = pattrib->pktlen - sizeof(struct ieee80211_hdr_3addr);
1417
1418 /* conscruct AAD, copy frame control field */
1419 memcpy(BIP_AAD, &pwlanhdr->frame_control, 2);
1420 ClearRetry(BIP_AAD);
1421 ClearPwrMgt(BIP_AAD);
1422 ClearMData(BIP_AAD);
1423 /* conscruct AAD, copy address 1 to address 3 */
1424 memcpy(BIP_AAD+2, pwlanhdr->addr1, 18);
1425 /* copy management fram body */
1426 memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len);
1427 /* calculate mic */
1428 if (omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey
1429 , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic))
1430 goto xmitframe_coalesce_fail;
1431
1432 /* copy right BIP mic value, total is 128bits, we use the 0~63 bits */
1433 memcpy(pframe-8, mic, 8);
1434 } else { /* unicast mgmt frame TX */
1435 /* start to encrypt mgmt frame */
1436 if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC ||
1437 subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) {
1438 if (pattrib->psta)
1439 psta = pattrib->psta;
1440 else
1441 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1442
1443 if (psta == NULL) {
1444
1445 DBG_871X("%s, psta ==NUL\n", __func__);
1446 goto xmitframe_coalesce_fail;
1447 }
1448
1449 if (!(psta->state & _FW_LINKED) || pxmitframe->buf_addr == NULL) {
1450 DBG_871X("%s, not _FW_LINKED or addr null\n", __func__);
1451 goto xmitframe_coalesce_fail;
1452 }
1453
1454 /* DBG_871X("%s, action frame category =%d\n", __func__, pframe[WLAN_HDR_A3_LEN]); */
1455 /* according 802.11-2012 standard, these five types are not robust types */
1456 if (subtype == WIFI_ACTION &&
1457 (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC ||
1458 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT ||
1459 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM ||
1460 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED ||
1461 pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P))
1462 goto xmitframe_coalesce_fail;
1463 /* before encrypt dump the management packet content */
1464 if (pattrib->encrypt > 0)
1465 memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16);
1466 /* bakeup original management packet */
1467 memcpy(tmp_buf, pframe, pattrib->pktlen);
1468 /* move to data portion */
1469 pframe += pattrib->hdrlen;
1470
1471 /* 802.11w unicast management packet must be _AES_ */
1472 pattrib->iv_len = 8;
1473 /* it's MIC of AES */
1474 pattrib->icv_len = 8;
1475
1476 switch (pattrib->encrypt) {
1477 case _AES_:
1478 /* set AES IV header */
1479 AES_IV(pattrib->iv, psta->dot11wtxpn, 0);
1480 break;
1481 default:
1482 goto xmitframe_coalesce_fail;
1483 }
1484 /* insert iv header into management frame */
1485 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1486 pframe += pattrib->iv_len;
1487 /* copy mgmt data portion after CCMP header */
1488 memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen);
1489 /* move pframe to end of mgmt pkt */
1490 pframe += pattrib->pktlen-pattrib->hdrlen;
1491 /* add 8 bytes CCMP IV header to length */
1492 pattrib->pktlen += pattrib->iv_len;
1493 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1494 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1495 pframe += pattrib->icv_len;
1496 }
1497 /* add 8 bytes MIC */
1498 pattrib->pktlen += pattrib->icv_len;
1499 /* set final tx command size */
1500 pattrib->last_txcmdsz = pattrib->pktlen;
1501
1502 /* set protected bit must be beofre SW encrypt */
1503 SetPrivacy(mem_start);
1504 /* software encrypt */
1505 xmitframe_swencrypt(padapter, pxmitframe);
1506 }
1507 }
1508
1509 xmitframe_coalesce_success:
1510 spin_unlock_bh(&padapter->security_key_mutex);
1511 kfree(BIP_AAD);
1512 return _SUCCESS;
1513
1514 xmitframe_coalesce_fail:
1515 spin_unlock_bh(&padapter->security_key_mutex);
1516 kfree(BIP_AAD);
1517 return _FAIL;
1518 }
1519
1520 /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1521 * IEEE LLC/SNAP header contains 8 octets
1522 * First 3 octets comprise the LLC portion
1523 * SNAP portion, 5 octets, is divided into two fields:
1524 *Organizationally Unique Identifier(OUI), 3 octets,
1525 *type, defined by that organization, 2 octets.
1526 */
rtw_put_snap(u8 * data,u16 h_proto)1527 s32 rtw_put_snap(u8 *data, u16 h_proto)
1528 {
1529 struct ieee80211_snap_hdr *snap;
1530 u8 *oui;
1531
1532 snap = (struct ieee80211_snap_hdr *)data;
1533 snap->dsap = 0xaa;
1534 snap->ssap = 0xaa;
1535 snap->ctrl = 0x03;
1536
1537 if (h_proto == 0x8137 || h_proto == 0x80f3)
1538 oui = P802_1H_OUI;
1539 else
1540 oui = RFC1042_OUI;
1541
1542 snap->oui[0] = oui[0];
1543 snap->oui[1] = oui[1];
1544 snap->oui[2] = oui[2];
1545
1546 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
1547
1548 return SNAP_SIZE + sizeof(u16);
1549 }
1550
rtw_update_protection(struct adapter * padapter,u8 * ie,uint ie_len)1551 void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
1552 {
1553
1554 uint protection;
1555 u8 *perp;
1556 sint erp_len;
1557 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1558 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1559
1560 switch (pxmitpriv->vcs_setting) {
1561 case DISABLE_VCS:
1562 pxmitpriv->vcs = NONE_VCS;
1563 break;
1564
1565 case ENABLE_VCS:
1566 break;
1567
1568 case AUTO_VCS:
1569 default:
1570 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
1571 if (perp == NULL)
1572 pxmitpriv->vcs = NONE_VCS;
1573 else{
1574 protection = (*(perp + 2)) & BIT(1);
1575 if (protection) {
1576 if (pregistrypriv->vcs_type == RTS_CTS)
1577 pxmitpriv->vcs = RTS_CTS;
1578 else
1579 pxmitpriv->vcs = CTS_TO_SELF;
1580 } else
1581 pxmitpriv->vcs = NONE_VCS;
1582 }
1583
1584 break;
1585
1586 }
1587 }
1588
rtw_count_tx_stats(struct adapter * padapter,struct xmit_frame * pxmitframe,int sz)1589 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1590 {
1591 struct sta_info *psta = NULL;
1592 struct stainfo_stats *pstats = NULL;
1593 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1594 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1595 u8 pkt_num = 1;
1596
1597 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1598 pkt_num = pxmitframe->agg_num;
1599
1600 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num;
1601
1602 pxmitpriv->tx_pkts += pkt_num;
1603
1604 pxmitpriv->tx_bytes += sz;
1605
1606 psta = pxmitframe->attrib.psta;
1607 if (psta) {
1608 pstats = &psta->sta_stats;
1609
1610 pstats->tx_pkts += pkt_num;
1611
1612 pstats->tx_bytes += sz;
1613 }
1614 }
1615 }
1616
__rtw_alloc_cmd_xmitbuf(struct xmit_priv * pxmitpriv,enum cmdbuf_type buf_type)1617 static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv,
1618 enum cmdbuf_type buf_type)
1619 {
1620 struct xmit_buf *pxmitbuf = NULL;
1621
1622 pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type];
1623 if (pxmitbuf != NULL) {
1624 pxmitbuf->priv_data = NULL;
1625
1626 pxmitbuf->len = 0;
1627 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1628 pxmitbuf->agg_num = 0;
1629 pxmitbuf->pg_num = 0;
1630
1631 if (pxmitbuf->sctx) {
1632 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1633 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1634 }
1635 } else
1636 DBG_871X("%s fail, no xmitbuf available !!!\n", __func__);
1637
1638 return pxmitbuf;
1639 }
1640
__rtw_alloc_cmdxmitframe(struct xmit_priv * pxmitpriv,enum cmdbuf_type buf_type)1641 struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
1642 enum cmdbuf_type buf_type)
1643 {
1644 struct xmit_frame *pcmdframe;
1645 struct xmit_buf *pxmitbuf;
1646
1647 pcmdframe = rtw_alloc_xmitframe(pxmitpriv);
1648 if (pcmdframe == NULL) {
1649 DBG_871X("%s, alloc xmitframe fail\n", __func__);
1650 return NULL;
1651 }
1652
1653 pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type);
1654 if (pxmitbuf == NULL) {
1655 DBG_871X("%s, alloc xmitbuf fail\n", __func__);
1656 rtw_free_xmitframe(pxmitpriv, pcmdframe);
1657 return NULL;
1658 }
1659
1660 pcmdframe->frame_tag = MGNT_FRAMETAG;
1661
1662 pcmdframe->pxmitbuf = pxmitbuf;
1663
1664 pcmdframe->buf_addr = pxmitbuf->pbuf;
1665
1666 pxmitbuf->priv_data = pcmdframe;
1667
1668 return pcmdframe;
1669
1670 }
1671
rtw_alloc_xmitbuf_ext(struct xmit_priv * pxmitpriv)1672 struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
1673 {
1674 _irqL irqL;
1675 struct xmit_buf *pxmitbuf = NULL;
1676 struct list_head *plist, *phead;
1677 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1678
1679 spin_lock_irqsave(&pfree_queue->lock, irqL);
1680
1681 if (list_empty(&pfree_queue->queue)) {
1682 pxmitbuf = NULL;
1683 } else {
1684
1685 phead = get_list_head(pfree_queue);
1686
1687 plist = get_next(phead);
1688
1689 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
1690
1691 list_del_init(&(pxmitbuf->list));
1692 }
1693
1694 if (pxmitbuf != NULL) {
1695 pxmitpriv->free_xmit_extbuf_cnt--;
1696 #ifdef DBG_XMIT_BUF_EXT
1697 DBG_871X("DBG_XMIT_BUF_EXT ALLOC no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt);
1698 #endif
1699
1700
1701 pxmitbuf->priv_data = NULL;
1702
1703 pxmitbuf->len = 0;
1704 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1705 pxmitbuf->agg_num = 1;
1706
1707 if (pxmitbuf->sctx) {
1708 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1709 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1710 }
1711
1712 }
1713
1714 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1715
1716 return pxmitbuf;
1717 }
1718
rtw_free_xmitbuf_ext(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1719 s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1720 {
1721 _irqL irqL;
1722 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1723
1724 if (pxmitbuf == NULL)
1725 return _FAIL;
1726
1727 spin_lock_irqsave(&pfree_queue->lock, irqL);
1728
1729 list_del_init(&pxmitbuf->list);
1730
1731 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
1732 pxmitpriv->free_xmit_extbuf_cnt++;
1733 #ifdef DBG_XMIT_BUF_EXT
1734 DBG_871X("DBG_XMIT_BUF_EXT FREE no =%d, free_xmit_extbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt);
1735 #endif
1736
1737 spin_unlock_irqrestore(&pfree_queue->lock, irqL);
1738
1739 return _SUCCESS;
1740 }
1741
rtw_alloc_xmitbuf(struct xmit_priv * pxmitpriv)1742 struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
1743 {
1744 _irqL irqL;
1745 struct xmit_buf *pxmitbuf = NULL;
1746 struct list_head *plist, *phead;
1747 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1748
1749 /* DBG_871X("+rtw_alloc_xmitbuf\n"); */
1750
1751 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1752
1753 if (list_empty(&pfree_xmitbuf_queue->queue)) {
1754 pxmitbuf = NULL;
1755 } else {
1756
1757 phead = get_list_head(pfree_xmitbuf_queue);
1758
1759 plist = get_next(phead);
1760
1761 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
1762
1763 list_del_init(&(pxmitbuf->list));
1764 }
1765
1766 if (pxmitbuf != NULL) {
1767 pxmitpriv->free_xmitbuf_cnt--;
1768 #ifdef DBG_XMIT_BUF
1769 DBG_871X("DBG_XMIT_BUF ALLOC no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
1770 #endif
1771 /* DBG_871X("alloc, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */
1772
1773 pxmitbuf->priv_data = NULL;
1774
1775 pxmitbuf->len = 0;
1776 pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead;
1777 pxmitbuf->agg_num = 0;
1778 pxmitbuf->pg_num = 0;
1779
1780 if (pxmitbuf->sctx) {
1781 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1782 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1783 }
1784 }
1785 #ifdef DBG_XMIT_BUF
1786 else
1787 DBG_871X("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n");
1788 #endif
1789
1790 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1791
1792 return pxmitbuf;
1793 }
1794
rtw_free_xmitbuf(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)1795 s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1796 {
1797 _irqL irqL;
1798 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1799
1800 /* DBG_871X("+rtw_free_xmitbuf\n"); */
1801
1802 if (pxmitbuf == NULL)
1803 return _FAIL;
1804
1805 if (pxmitbuf->sctx) {
1806 DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__);
1807 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1808 }
1809
1810 if (pxmitbuf->buf_tag == XMITBUF_CMD) {
1811 } else if (pxmitbuf->buf_tag == XMITBUF_MGNT) {
1812 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
1813 } else{
1814 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
1815
1816 list_del_init(&pxmitbuf->list);
1817
1818 list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
1819
1820 pxmitpriv->free_xmitbuf_cnt++;
1821 /* DBG_871X("FREE, free_xmitbuf_cnt =%d\n", pxmitpriv->free_xmitbuf_cnt); */
1822 #ifdef DBG_XMIT_BUF
1823 DBG_871X("DBG_XMIT_BUF FREE no =%d, free_xmitbuf_cnt =%d\n", pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt);
1824 #endif
1825 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
1826 }
1827 return _SUCCESS;
1828 }
1829
rtw_init_xmitframe(struct xmit_frame * pxframe)1830 static void rtw_init_xmitframe(struct xmit_frame *pxframe)
1831 {
1832 if (pxframe != NULL) { /* default value setting */
1833 pxframe->buf_addr = NULL;
1834 pxframe->pxmitbuf = NULL;
1835
1836 memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1837 /* pxframe->attrib.psta = NULL; */
1838
1839 pxframe->frame_tag = DATA_FRAMETAG;
1840
1841 pxframe->pg_num = 1;
1842 pxframe->agg_num = 1;
1843 pxframe->ack_report = 0;
1844 }
1845 }
1846
1847 /*
1848 Calling context:
1849 1. OS_TXENTRY
1850 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1851
1852 If we turn on USE_RXTHREAD, then, no need for critical section.
1853 Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1854
1855 Must be very very cautious...
1856
1857 */
rtw_alloc_xmitframe(struct xmit_priv * pxmitpriv)1858 struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
1859 {
1860 /*
1861 Please remember to use all the osdep_service api,
1862 and lock/unlock or _enter/_exit critical to protect
1863 pfree_xmit_queue
1864 */
1865
1866 struct xmit_frame *pxframe = NULL;
1867 struct list_head *plist, *phead;
1868 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1869
1870 spin_lock_bh(&pfree_xmit_queue->lock);
1871
1872 if (list_empty(&pfree_xmit_queue->queue)) {
1873 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
1874 pxframe = NULL;
1875 } else {
1876 phead = get_list_head(pfree_xmit_queue);
1877
1878 plist = get_next(phead);
1879
1880 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
1881
1882 list_del_init(&(pxframe->list));
1883 pxmitpriv->free_xmitframe_cnt--;
1884 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1885 }
1886
1887 spin_unlock_bh(&pfree_xmit_queue->lock);
1888
1889 rtw_init_xmitframe(pxframe);
1890 return pxframe;
1891 }
1892
rtw_alloc_xmitframe_ext(struct xmit_priv * pxmitpriv)1893 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv)
1894 {
1895 struct xmit_frame *pxframe = NULL;
1896 struct list_head *plist, *phead;
1897 struct __queue *queue = &pxmitpriv->free_xframe_ext_queue;
1898
1899 spin_lock_bh(&queue->lock);
1900
1901 if (list_empty(&queue->queue)) {
1902 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext:%d\n", pxmitpriv->free_xframe_ext_cnt));
1903 pxframe = NULL;
1904 } else {
1905 phead = get_list_head(queue);
1906 plist = get_next(phead);
1907 pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
1908
1909 list_del_init(&(pxframe->list));
1910 pxmitpriv->free_xframe_ext_cnt--;
1911 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext():free_xmitframe_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1912 }
1913
1914 spin_unlock_bh(&queue->lock);
1915
1916 rtw_init_xmitframe(pxframe);
1917
1918 return pxframe;
1919 }
1920
rtw_alloc_xmitframe_once(struct xmit_priv * pxmitpriv)1921 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv)
1922 {
1923 struct xmit_frame *pxframe = NULL;
1924 u8 *alloc_addr;
1925
1926 alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4);
1927
1928 if (alloc_addr == NULL)
1929 goto exit;
1930
1931 pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4);
1932 pxframe->alloc_addr = alloc_addr;
1933
1934 pxframe->padapter = pxmitpriv->adapter;
1935 pxframe->frame_tag = NULL_FRAMETAG;
1936
1937 pxframe->pkt = NULL;
1938
1939 pxframe->buf_addr = NULL;
1940 pxframe->pxmitbuf = NULL;
1941
1942 rtw_init_xmitframe(pxframe);
1943
1944 DBG_871X("################## %s ##################\n", __func__);
1945
1946 exit:
1947 return pxframe;
1948 }
1949
rtw_free_xmitframe(struct xmit_priv * pxmitpriv,struct xmit_frame * pxmitframe)1950 s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1951 {
1952 struct __queue *queue = NULL;
1953 struct adapter *padapter = pxmitpriv->adapter;
1954 _pkt *pndis_pkt = NULL;
1955
1956 if (pxmitframe == NULL) {
1957 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
1958 goto exit;
1959 }
1960
1961 if (pxmitframe->pkt) {
1962 pndis_pkt = pxmitframe->pkt;
1963 pxmitframe->pkt = NULL;
1964 }
1965
1966 if (pxmitframe->alloc_addr) {
1967 DBG_871X("################## %s with alloc_addr ##################\n", __func__);
1968 kfree(pxmitframe->alloc_addr);
1969 goto check_pkt_complete;
1970 }
1971
1972 if (pxmitframe->ext_tag == 0)
1973 queue = &pxmitpriv->free_xmit_queue;
1974 else if (pxmitframe->ext_tag == 1)
1975 queue = &pxmitpriv->free_xframe_ext_queue;
1976 else {
1977
1978 }
1979
1980 spin_lock_bh(&queue->lock);
1981
1982 list_del_init(&pxmitframe->list);
1983 list_add_tail(&pxmitframe->list, get_list_head(queue));
1984 if (pxmitframe->ext_tag == 0) {
1985 pxmitpriv->free_xmitframe_cnt++;
1986 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt =%d\n", pxmitpriv->free_xmitframe_cnt));
1987 } else if (pxmitframe->ext_tag == 1) {
1988 pxmitpriv->free_xframe_ext_cnt++;
1989 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xframe_ext_cnt =%d\n", pxmitpriv->free_xframe_ext_cnt));
1990 } else {
1991 }
1992
1993 spin_unlock_bh(&queue->lock);
1994
1995 check_pkt_complete:
1996
1997 if (pndis_pkt)
1998 rtw_os_pkt_complete(padapter, pndis_pkt);
1999
2000 exit:
2001 return _SUCCESS;
2002 }
2003
rtw_free_xmitframe_queue(struct xmit_priv * pxmitpriv,struct __queue * pframequeue)2004 void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
2005 {
2006 struct list_head *plist, *phead;
2007 struct xmit_frame *pxmitframe;
2008
2009 spin_lock_bh(&(pframequeue->lock));
2010
2011 phead = get_list_head(pframequeue);
2012 plist = get_next(phead);
2013
2014 while (phead != plist) {
2015
2016 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
2017
2018 plist = get_next(plist);
2019
2020 rtw_free_xmitframe(pxmitpriv, pxmitframe);
2021
2022 }
2023 spin_unlock_bh(&(pframequeue->lock));
2024 }
2025
rtw_xmitframe_enqueue(struct adapter * padapter,struct xmit_frame * pxmitframe)2026 s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
2027 {
2028 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue);
2029 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
2030 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
2031 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
2032 /* pxmitframe->pkt = NULL; */
2033 return _FAIL;
2034 }
2035
2036 return _SUCCESS;
2037 }
2038
rtw_get_sta_pending(struct adapter * padapter,struct sta_info * psta,sint up,u8 * ac)2039 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac)
2040 {
2041 struct tx_servq *ptxservq = NULL;
2042
2043 switch (up) {
2044 case 1:
2045 case 2:
2046 ptxservq = &(psta->sta_xmitpriv.bk_q);
2047 *(ac) = 3;
2048 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
2049 break;
2050
2051 case 4:
2052 case 5:
2053 ptxservq = &(psta->sta_xmitpriv.vi_q);
2054 *(ac) = 1;
2055 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
2056 break;
2057
2058 case 6:
2059 case 7:
2060 ptxservq = &(psta->sta_xmitpriv.vo_q);
2061 *(ac) = 0;
2062 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
2063 break;
2064
2065 case 0:
2066 case 3:
2067 default:
2068 ptxservq = &(psta->sta_xmitpriv.be_q);
2069 *(ac) = 2;
2070 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
2071 break;
2072
2073 }
2074
2075 return ptxservq;
2076 }
2077
2078 /*
2079 * Will enqueue pxmitframe to the proper queue,
2080 * and indicate it to xx_pending list.....
2081 */
rtw_xmit_classifier(struct adapter * padapter,struct xmit_frame * pxmitframe)2082 s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
2083 {
2084 /* _irqL irqL0; */
2085 u8 ac_index;
2086 struct sta_info *psta;
2087 struct tx_servq *ptxservq;
2088 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2089 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2090 sint res = _SUCCESS;
2091
2092 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class);
2093
2094 /*
2095 if (pattrib->psta) {
2096 psta = pattrib->psta;
2097 } else {
2098 DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
2099 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
2100 }
2101 */
2102
2103 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2104 if (pattrib->psta != psta) {
2105 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta);
2106 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2107 return _FAIL;
2108 }
2109
2110 if (psta == NULL) {
2111 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta);
2112 res = _FAIL;
2113 DBG_8192C("rtw_xmit_classifier: psta == NULL\n");
2114 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
2115 goto exit;
2116 }
2117
2118 if (!(psta->state & _FW_LINKED)) {
2119 DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink);
2120 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2121 return _FAIL;
2122 }
2123
2124 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2125
2126 /* spin_lock_irqsave(&pstapending->lock, irqL0); */
2127
2128 if (list_empty(&ptxservq->tx_pending)) {
2129 list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
2130 }
2131
2132 /* spin_lock_irqsave(&ptxservq->sta_pending.lock, irqL1); */
2133
2134 list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
2135 ptxservq->qcnt++;
2136 phwxmits[ac_index].accnt++;
2137
2138 /* spin_unlock_irqrestore(&ptxservq->sta_pending.lock, irqL1); */
2139
2140 /* spin_unlock_irqrestore(&pstapending->lock, irqL0); */
2141
2142 exit:
2143
2144 return res;
2145 }
2146
rtw_alloc_hwxmits(struct adapter * padapter)2147 void rtw_alloc_hwxmits(struct adapter *padapter)
2148 {
2149 struct hw_xmit *hwxmits;
2150 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2151
2152 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
2153
2154 pxmitpriv->hwxmits = NULL;
2155
2156 pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
2157
2158 if (pxmitpriv->hwxmits == NULL) {
2159 DBG_871X("alloc hwxmits fail!...\n");
2160 return;
2161 }
2162
2163 hwxmits = pxmitpriv->hwxmits;
2164
2165 if (pxmitpriv->hwxmit_entry == 5) {
2166 /* pxmitpriv->bmc_txqueue.head = 0; */
2167 /* hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; */
2168 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
2169
2170 /* pxmitpriv->vo_txqueue.head = 0; */
2171 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; */
2172 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
2173
2174 /* pxmitpriv->vi_txqueue.head = 0; */
2175 /* hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; */
2176 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
2177
2178 /* pxmitpriv->bk_txqueue.head = 0; */
2179 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
2180 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
2181
2182 /* pxmitpriv->be_txqueue.head = 0; */
2183 /* hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; */
2184 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
2185
2186 } else if (pxmitpriv->hwxmit_entry == 4) {
2187
2188 /* pxmitpriv->vo_txqueue.head = 0; */
2189 /* hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; */
2190 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
2191
2192 /* pxmitpriv->vi_txqueue.head = 0; */
2193 /* hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; */
2194 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
2195
2196 /* pxmitpriv->be_txqueue.head = 0; */
2197 /* hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; */
2198 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
2199
2200 /* pxmitpriv->bk_txqueue.head = 0; */
2201 /* hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; */
2202 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
2203 } else {
2204
2205 }
2206
2207
2208 }
2209
rtw_free_hwxmits(struct adapter * padapter)2210 void rtw_free_hwxmits(struct adapter *padapter)
2211 {
2212 struct hw_xmit *hwxmits;
2213 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2214
2215 hwxmits = pxmitpriv->hwxmits;
2216 if (hwxmits)
2217 kfree((u8 *)hwxmits);
2218 }
2219
rtw_init_hwxmits(struct hw_xmit * phwxmit,sint entry)2220 void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry)
2221 {
2222 sint i;
2223
2224 for (i = 0; i < entry; i++, phwxmit++) {
2225 /* spin_lock_init(&phwxmit->xmit_lock); */
2226 /* INIT_LIST_HEAD(&phwxmit->pending); */
2227 /* phwxmit->txcmdcnt = 0; */
2228 phwxmit->accnt = 0;
2229 }
2230 }
2231
rtw_get_ff_hwaddr(struct xmit_frame * pxmitframe)2232 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
2233 {
2234 u32 addr;
2235 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2236
2237 switch (pattrib->qsel) {
2238 case 0:
2239 case 3:
2240 addr = BE_QUEUE_INX;
2241 break;
2242 case 1:
2243 case 2:
2244 addr = BK_QUEUE_INX;
2245 break;
2246 case 4:
2247 case 5:
2248 addr = VI_QUEUE_INX;
2249 break;
2250 case 6:
2251 case 7:
2252 addr = VO_QUEUE_INX;
2253 break;
2254 case 0x10:
2255 addr = BCN_QUEUE_INX;
2256 break;
2257 case 0x11:/* BC/MC in PS (HIQ) */
2258 addr = HIGH_QUEUE_INX;
2259 break;
2260 case 0x12:
2261 default:
2262 addr = MGT_QUEUE_INX;
2263 break;
2264
2265 }
2266
2267 return addr;
2268
2269 }
2270
do_queue_select(struct adapter * padapter,struct pkt_attrib * pattrib)2271 static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib)
2272 {
2273 u8 qsel;
2274
2275 qsel = pattrib->priority;
2276 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority =%d , qsel = %d\n", pattrib->priority, qsel));
2277
2278 pattrib->qsel = qsel;
2279 }
2280
2281 /*
2282 * The main transmit(tx) entry
2283 *
2284 * Return
2285 *1 enqueue
2286 *0 success, hardware will handle this xmit frame(packet)
2287 *<0 fail
2288 */
rtw_xmit(struct adapter * padapter,_pkt ** ppkt)2289 s32 rtw_xmit(struct adapter *padapter, _pkt **ppkt)
2290 {
2291 static unsigned long start;
2292 static u32 drop_cnt;
2293
2294 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2295 struct xmit_frame *pxmitframe = NULL;
2296
2297 s32 res;
2298
2299 DBG_COUNTER(padapter->tx_logs.core_tx);
2300
2301 if (start == 0)
2302 start = jiffies;
2303
2304 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
2305
2306 if (jiffies_to_msecs(jiffies - start) > 2000) {
2307 if (drop_cnt)
2308 DBG_871X("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __func__, drop_cnt);
2309 start = jiffies;
2310 drop_cnt = 0;
2311 }
2312
2313 if (pxmitframe == NULL) {
2314 drop_cnt++;
2315 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
2316 DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe);
2317 return -1;
2318 }
2319
2320 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
2321
2322 if (res == _FAIL) {
2323 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
2324 #ifdef DBG_TX_DROP_FRAME
2325 DBG_871X("DBG_TX_DROP_FRAME %s update attrib fail\n", __func__);
2326 #endif
2327 rtw_free_xmitframe(pxmitpriv, pxmitframe);
2328 return -1;
2329 }
2330 pxmitframe->pkt = *ppkt;
2331
2332 do_queue_select(padapter, &pxmitframe->attrib);
2333
2334 spin_lock_bh(&pxmitpriv->lock);
2335 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == true) {
2336 spin_unlock_bh(&pxmitpriv->lock);
2337 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue);
2338 return 1;
2339 }
2340 spin_unlock_bh(&pxmitpriv->lock);
2341
2342 /* pre_xmitframe */
2343 if (rtw_hal_xmit(padapter, pxmitframe) == false)
2344 return 1;
2345
2346 return 0;
2347 }
2348
2349 #define RTW_HIQ_FILTER_ALLOW_ALL 0
2350 #define RTW_HIQ_FILTER_ALLOW_SPECIAL 1
2351 #define RTW_HIQ_FILTER_DENY_ALL 2
2352
xmitframe_hiq_filter(struct xmit_frame * xmitframe)2353 inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe)
2354 {
2355 bool allow = false;
2356 struct adapter *adapter = xmitframe->padapter;
2357 struct registry_priv *registry = &adapter->registrypriv;
2358
2359 if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) {
2360
2361 struct pkt_attrib *attrib = &xmitframe->attrib;
2362
2363 if (attrib->ether_type == 0x0806
2364 || attrib->ether_type == 0x888e
2365 || attrib->dhcp_pkt
2366 ) {
2367 DBG_871X(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter)
2368 , attrib->ether_type, attrib->dhcp_pkt?" DHCP":"");
2369 allow = true;
2370 }
2371 } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL)
2372 allow = true;
2373 else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) {
2374 } else
2375 rtw_warn_on(1);
2376
2377 return allow;
2378 }
2379
xmitframe_enqueue_for_sleeping_sta(struct adapter * padapter,struct xmit_frame * pxmitframe)2380 sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
2381 {
2382 sint ret = false;
2383 struct sta_info *psta = NULL;
2384 struct sta_priv *pstapriv = &padapter->stapriv;
2385 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2386 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2387 sint bmcst = IS_MCAST(pattrib->ra);
2388 bool update_tim = false;
2389
2390 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) {
2391 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate);
2392 return ret;
2393 }
2394 /*
2395 if (pattrib->psta)
2396 {
2397 psta = pattrib->psta;
2398 }
2399 else
2400 {
2401 DBG_871X("%s, call rtw_get_stainfo()\n", __func__);
2402 psta =rtw_get_stainfo(pstapriv, pattrib->ra);
2403 }
2404 */
2405 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2406 if (pattrib->psta != psta) {
2407 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta);
2408 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2409 return false;
2410 }
2411
2412 if (psta == NULL) {
2413 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta);
2414 DBG_871X("%s, psta ==NUL\n", __func__);
2415 return false;
2416 }
2417
2418 if (!(psta->state & _FW_LINKED)) {
2419 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link);
2420 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2421 return false;
2422 }
2423
2424 if (pattrib->triggered == 1) {
2425 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger);
2426 /* DBG_871X("directly xmit pspoll_triggered packet\n"); */
2427
2428 /* pattrib->triggered = 0; */
2429 if (bmcst && xmitframe_hiq_filter(pxmitframe) == true)
2430 pattrib->qsel = 0x11;/* HIQ */
2431
2432 return ret;
2433 }
2434
2435
2436 if (bmcst) {
2437 spin_lock_bh(&psta->sleep_q.lock);
2438
2439 if (pstapriv->sta_dz_bitmap) { /* if anyone sta is in ps mode */
2440 /* pattrib->qsel = 0x11;HIQ */
2441
2442 list_del_init(&pxmitframe->list);
2443
2444 /* spin_lock_bh(&psta->sleep_q.lock); */
2445
2446 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2447
2448 psta->sleepq_len++;
2449
2450 if (!(pstapriv->tim_bitmap & BIT(0)))
2451 update_tim = true;
2452
2453 pstapriv->tim_bitmap |= BIT(0);/* */
2454 pstapriv->sta_dz_bitmap |= BIT(0);
2455
2456 /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
2457
2458 if (update_tim == true) {
2459 update_beacon(padapter, _TIM_IE_, NULL, true);
2460 } else {
2461 chk_bmc_sleepq_cmd(padapter);
2462 }
2463
2464 /* spin_unlock_bh(&psta->sleep_q.lock); */
2465
2466 ret = true;
2467
2468 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast);
2469
2470 }
2471
2472 spin_unlock_bh(&psta->sleep_q.lock);
2473
2474 return ret;
2475
2476 }
2477
2478
2479 spin_lock_bh(&psta->sleep_q.lock);
2480
2481 if (psta->state&WIFI_SLEEP_STATE) {
2482 u8 wmmps_ac = 0;
2483
2484 if (pstapriv->sta_dz_bitmap & BIT(psta->aid)) {
2485 list_del_init(&pxmitframe->list);
2486
2487 /* spin_lock_bh(&psta->sleep_q.lock); */
2488
2489 list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2490
2491 psta->sleepq_len++;
2492
2493 switch (pattrib->priority) {
2494 case 1:
2495 case 2:
2496 wmmps_ac = psta->uapsd_bk&BIT(0);
2497 break;
2498 case 4:
2499 case 5:
2500 wmmps_ac = psta->uapsd_vi&BIT(0);
2501 break;
2502 case 6:
2503 case 7:
2504 wmmps_ac = psta->uapsd_vo&BIT(0);
2505 break;
2506 case 0:
2507 case 3:
2508 default:
2509 wmmps_ac = psta->uapsd_be&BIT(0);
2510 break;
2511 }
2512
2513 if (wmmps_ac)
2514 psta->sleepq_ac_len++;
2515
2516 if (((psta->has_legacy_ac) && (!wmmps_ac)) || ((!psta->has_legacy_ac) && (wmmps_ac))) {
2517 if (!(pstapriv->tim_bitmap & BIT(psta->aid)))
2518 update_tim = true;
2519
2520 pstapriv->tim_bitmap |= BIT(psta->aid);
2521
2522 /* DBG_871X("enqueue, sq_len =%d, tim =%x\n", psta->sleepq_len, pstapriv->tim_bitmap); */
2523
2524 if (update_tim == true)
2525 /* DBG_871X("sleepq_len == 1, update BCNTIM\n"); */
2526 /* upate BCN for TIM IE */
2527 update_beacon(padapter, _TIM_IE_, NULL, true);
2528 }
2529
2530 /* spin_unlock_bh(&psta->sleep_q.lock); */
2531
2532 /* if (psta->sleepq_len > (NR_XMITFRAME>>3)) */
2533 /* */
2534 /* wakeup_sta_to_xmit(padapter, psta); */
2535 /* */
2536
2537 ret = true;
2538
2539 DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast);
2540 }
2541
2542 }
2543
2544 spin_unlock_bh(&psta->sleep_q.lock);
2545
2546 return ret;
2547
2548 }
2549
dequeue_xmitframes_to_sleeping_queue(struct adapter * padapter,struct sta_info * psta,struct __queue * pframequeue)2550 static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
2551 {
2552 sint ret;
2553 struct list_head *plist, *phead;
2554 u8 ac_index;
2555 struct tx_servq *ptxservq;
2556 struct pkt_attrib *pattrib;
2557 struct xmit_frame *pxmitframe;
2558 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2559
2560 phead = get_list_head(pframequeue);
2561 plist = get_next(phead);
2562
2563 while (phead != plist) {
2564 pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
2565
2566 plist = get_next(plist);
2567
2568 pattrib = &pxmitframe->attrib;
2569
2570 pattrib->triggered = 0;
2571
2572 ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
2573
2574 if (true == ret) {
2575 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2576
2577 ptxservq->qcnt--;
2578 phwxmits[ac_index].accnt--;
2579 } else {
2580 /* DBG_871X("xmitframe_enqueue_for_sleeping_sta return false\n"); */
2581 }
2582
2583 }
2584
2585 }
2586
stop_sta_xmit(struct adapter * padapter,struct sta_info * psta)2587 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
2588 {
2589 struct sta_info *psta_bmc;
2590 struct sta_xmit_priv *pstaxmitpriv;
2591 struct sta_priv *pstapriv = &padapter->stapriv;
2592 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2593
2594 pstaxmitpriv = &psta->sta_xmitpriv;
2595
2596 /* for BC/MC Frames */
2597 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2598
2599
2600 spin_lock_bh(&pxmitpriv->lock);
2601
2602 psta->state |= WIFI_SLEEP_STATE;
2603
2604 pstapriv->sta_dz_bitmap |= BIT(psta->aid);
2605
2606
2607
2608 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2609 list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
2610
2611
2612 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2613 list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
2614
2615
2616 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
2617 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
2618
2619
2620 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
2621 list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
2622
2623 /* for BC/MC Frames */
2624 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2625 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
2626 list_del_init(&(pstaxmitpriv->be_q.tx_pending));
2627
2628 spin_unlock_bh(&pxmitpriv->lock);
2629 }
2630
wakeup_sta_to_xmit(struct adapter * padapter,struct sta_info * psta)2631 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
2632 {
2633 u8 update_mask = 0, wmmps_ac = 0;
2634 struct sta_info *psta_bmc;
2635 struct list_head *xmitframe_plist, *xmitframe_phead;
2636 struct xmit_frame *pxmitframe = NULL;
2637 struct sta_priv *pstapriv = &padapter->stapriv;
2638 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2639
2640 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2641
2642
2643 /* spin_lock_bh(&psta->sleep_q.lock); */
2644 spin_lock_bh(&pxmitpriv->lock);
2645
2646 xmitframe_phead = get_list_head(&psta->sleep_q);
2647 xmitframe_plist = get_next(xmitframe_phead);
2648
2649 while (xmitframe_phead != xmitframe_plist) {
2650 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2651
2652 xmitframe_plist = get_next(xmitframe_plist);
2653
2654 list_del_init(&pxmitframe->list);
2655
2656 switch (pxmitframe->attrib.priority) {
2657 case 1:
2658 case 2:
2659 wmmps_ac = psta->uapsd_bk&BIT(1);
2660 break;
2661 case 4:
2662 case 5:
2663 wmmps_ac = psta->uapsd_vi&BIT(1);
2664 break;
2665 case 6:
2666 case 7:
2667 wmmps_ac = psta->uapsd_vo&BIT(1);
2668 break;
2669 case 0:
2670 case 3:
2671 default:
2672 wmmps_ac = psta->uapsd_be&BIT(1);
2673 break;
2674 }
2675
2676 psta->sleepq_len--;
2677 if (psta->sleepq_len > 0)
2678 pxmitframe->attrib.mdata = 1;
2679 else
2680 pxmitframe->attrib.mdata = 0;
2681
2682 if (wmmps_ac) {
2683 psta->sleepq_ac_len--;
2684 if (psta->sleepq_ac_len > 0) {
2685 pxmitframe->attrib.mdata = 1;
2686 pxmitframe->attrib.eosp = 0;
2687 } else{
2688 pxmitframe->attrib.mdata = 0;
2689 pxmitframe->attrib.eosp = 1;
2690 }
2691 }
2692
2693 pxmitframe->attrib.triggered = 1;
2694
2695 /*
2696 spin_unlock_bh(&psta->sleep_q.lock);
2697 if (rtw_hal_xmit(padapter, pxmitframe) == true)
2698 {
2699 rtw_os_xmit_complete(padapter, pxmitframe);
2700 }
2701 spin_lock_bh(&psta->sleep_q.lock);
2702 */
2703 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2704
2705
2706 }
2707
2708 if (psta->sleepq_len == 0) {
2709 if (pstapriv->tim_bitmap & BIT(psta->aid)) {
2710 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */
2711 /* upate BCN for TIM IE */
2712 /* update_BCNTIM(padapter); */
2713 update_mask = BIT(0);
2714 }
2715
2716 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2717
2718 if (psta->state&WIFI_SLEEP_STATE)
2719 psta->state ^= WIFI_SLEEP_STATE;
2720
2721 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2722 DBG_871X("%s alive check\n", __func__);
2723 psta->expire_to = pstapriv->expire_to;
2724 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2725 }
2726
2727 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
2728 }
2729
2730 /* for BC/MC Frames */
2731 if (!psta_bmc)
2732 goto _exit;
2733
2734 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
2735 xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
2736 xmitframe_plist = get_next(xmitframe_phead);
2737
2738 while (xmitframe_phead != xmitframe_plist) {
2739 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2740
2741 xmitframe_plist = get_next(xmitframe_plist);
2742
2743 list_del_init(&pxmitframe->list);
2744
2745 psta_bmc->sleepq_len--;
2746 if (psta_bmc->sleepq_len > 0)
2747 pxmitframe->attrib.mdata = 1;
2748 else
2749 pxmitframe->attrib.mdata = 0;
2750
2751
2752 pxmitframe->attrib.triggered = 1;
2753 /*
2754 spin_unlock_bh(&psta_bmc->sleep_q.lock);
2755 if (rtw_hal_xmit(padapter, pxmitframe) == true)
2756 {
2757 rtw_os_xmit_complete(padapter, pxmitframe);
2758 }
2759 spin_lock_bh(&psta_bmc->sleep_q.lock);
2760
2761 */
2762 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2763
2764 }
2765
2766 if (psta_bmc->sleepq_len == 0) {
2767 if (pstapriv->tim_bitmap & BIT(0)) {
2768 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */
2769 /* upate BCN for TIM IE */
2770 /* update_BCNTIM(padapter); */
2771 update_mask |= BIT(1);
2772 }
2773 pstapriv->tim_bitmap &= ~BIT(0);
2774 pstapriv->sta_dz_bitmap &= ~BIT(0);
2775 }
2776
2777 }
2778
2779 _exit:
2780
2781 /* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
2782 spin_unlock_bh(&pxmitpriv->lock);
2783
2784 if (update_mask)
2785 /* update_BCNTIM(padapter); */
2786 /* printk("%s => call update_beacon\n", __func__); */
2787 update_beacon(padapter, _TIM_IE_, NULL, true);
2788
2789 }
2790
xmit_delivery_enabled_frames(struct adapter * padapter,struct sta_info * psta)2791 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
2792 {
2793 u8 wmmps_ac = 0;
2794 struct list_head *xmitframe_plist, *xmitframe_phead;
2795 struct xmit_frame *pxmitframe = NULL;
2796 struct sta_priv *pstapriv = &padapter->stapriv;
2797 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2798
2799
2800 /* spin_lock_bh(&psta->sleep_q.lock); */
2801 spin_lock_bh(&pxmitpriv->lock);
2802
2803 xmitframe_phead = get_list_head(&psta->sleep_q);
2804 xmitframe_plist = get_next(xmitframe_phead);
2805
2806 while (xmitframe_phead != xmitframe_plist) {
2807 pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
2808
2809 xmitframe_plist = get_next(xmitframe_plist);
2810
2811 switch (pxmitframe->attrib.priority) {
2812 case 1:
2813 case 2:
2814 wmmps_ac = psta->uapsd_bk&BIT(1);
2815 break;
2816 case 4:
2817 case 5:
2818 wmmps_ac = psta->uapsd_vi&BIT(1);
2819 break;
2820 case 6:
2821 case 7:
2822 wmmps_ac = psta->uapsd_vo&BIT(1);
2823 break;
2824 case 0:
2825 case 3:
2826 default:
2827 wmmps_ac = psta->uapsd_be&BIT(1);
2828 break;
2829 }
2830
2831 if (!wmmps_ac)
2832 continue;
2833
2834 list_del_init(&pxmitframe->list);
2835
2836 psta->sleepq_len--;
2837 psta->sleepq_ac_len--;
2838
2839 if (psta->sleepq_ac_len > 0) {
2840 pxmitframe->attrib.mdata = 1;
2841 pxmitframe->attrib.eosp = 0;
2842 } else{
2843 pxmitframe->attrib.mdata = 0;
2844 pxmitframe->attrib.eosp = 1;
2845 }
2846
2847 pxmitframe->attrib.triggered = 1;
2848 rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
2849
2850 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
2851 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2852
2853 /* DBG_871X("wakeup to xmit, qlen == 0, update_BCNTIM, tim =%x\n", pstapriv->tim_bitmap); */
2854 /* upate BCN for TIM IE */
2855 /* update_BCNTIM(padapter); */
2856 update_beacon(padapter, _TIM_IE_, NULL, true);
2857 /* update_mask = BIT(0); */
2858 }
2859
2860 }
2861
2862 /* spin_unlock_bh(&psta->sleep_q.lock); */
2863 spin_unlock_bh(&pxmitpriv->lock);
2864
2865 return;
2866 }
2867
enqueue_pending_xmitbuf(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)2868 void enqueue_pending_xmitbuf(
2869 struct xmit_priv *pxmitpriv,
2870 struct xmit_buf *pxmitbuf)
2871 {
2872 struct __queue *pqueue;
2873 struct adapter *pri_adapter = pxmitpriv->adapter;
2874
2875 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2876
2877 spin_lock_bh(&pqueue->lock);
2878 list_del_init(&pxmitbuf->list);
2879 list_add_tail(&pxmitbuf->list, get_list_head(pqueue));
2880 spin_unlock_bh(&pqueue->lock);
2881
2882 up(&(pri_adapter->xmitpriv.xmit_sema));
2883 }
2884
enqueue_pending_xmitbuf_to_head(struct xmit_priv * pxmitpriv,struct xmit_buf * pxmitbuf)2885 void enqueue_pending_xmitbuf_to_head(
2886 struct xmit_priv *pxmitpriv,
2887 struct xmit_buf *pxmitbuf)
2888 {
2889 struct __queue *pqueue;
2890
2891 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2892
2893 spin_lock_bh(&pqueue->lock);
2894 list_del_init(&pxmitbuf->list);
2895 list_add(&pxmitbuf->list, get_list_head(pqueue));
2896 spin_unlock_bh(&pqueue->lock);
2897 }
2898
dequeue_pending_xmitbuf(struct xmit_priv * pxmitpriv)2899 struct xmit_buf *dequeue_pending_xmitbuf(
2900 struct xmit_priv *pxmitpriv)
2901 {
2902 struct xmit_buf *pxmitbuf;
2903 struct __queue *pqueue;
2904
2905
2906 pxmitbuf = NULL;
2907 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2908
2909 spin_lock_bh(&pqueue->lock);
2910
2911 if (!list_empty(&pqueue->queue)) {
2912 struct list_head *plist, *phead;
2913
2914 phead = get_list_head(pqueue);
2915 plist = get_next(phead);
2916 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2917 list_del_init(&pxmitbuf->list);
2918 }
2919
2920 spin_unlock_bh(&pqueue->lock);
2921
2922 return pxmitbuf;
2923 }
2924
dequeue_pending_xmitbuf_under_survey(struct xmit_priv * pxmitpriv)2925 struct xmit_buf *dequeue_pending_xmitbuf_under_survey(
2926 struct xmit_priv *pxmitpriv)
2927 {
2928 struct xmit_buf *pxmitbuf;
2929 struct __queue *pqueue;
2930
2931
2932 pxmitbuf = NULL;
2933 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2934
2935 spin_lock_bh(&pqueue->lock);
2936
2937 if (!list_empty(&pqueue->queue)) {
2938 struct list_head *plist, *phead;
2939 u8 type;
2940
2941 phead = get_list_head(pqueue);
2942 plist = phead;
2943 do {
2944 plist = get_next(plist);
2945 if (plist == phead)
2946 break;
2947
2948 pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
2949
2950 type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET);
2951
2952 if ((type == WIFI_PROBEREQ) ||
2953 (type == WIFI_DATA_NULL) ||
2954 (type == WIFI_QOS_DATA_NULL)) {
2955 list_del_init(&pxmitbuf->list);
2956 break;
2957 }
2958 pxmitbuf = NULL;
2959 } while (1);
2960 }
2961
2962 spin_unlock_bh(&pqueue->lock);
2963
2964 return pxmitbuf;
2965 }
2966
check_pending_xmitbuf(struct xmit_priv * pxmitpriv)2967 sint check_pending_xmitbuf(
2968 struct xmit_priv *pxmitpriv)
2969 {
2970 struct __queue *pqueue;
2971 sint ret = false;
2972
2973 pqueue = &pxmitpriv->pending_xmitbuf_queue;
2974
2975 spin_lock_bh(&pqueue->lock);
2976
2977 if (!list_empty(&pqueue->queue))
2978 ret = true;
2979
2980 spin_unlock_bh(&pqueue->lock);
2981
2982 return ret;
2983 }
2984
rtw_xmit_thread(void * context)2985 int rtw_xmit_thread(void *context)
2986 {
2987 s32 err;
2988 struct adapter *padapter;
2989
2990
2991 err = _SUCCESS;
2992 padapter = context;
2993
2994 thread_enter("RTW_XMIT_THREAD");
2995
2996 do {
2997 err = rtw_hal_xmit_thread_handler(padapter);
2998 flush_signals_thread();
2999 } while (_SUCCESS == err);
3000
3001 up(&padapter->xmitpriv.terminate_xmitthread_sema);
3002
3003 thread_exit();
3004 }
3005
rtw_sctx_init(struct submit_ctx * sctx,int timeout_ms)3006 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
3007 {
3008 sctx->timeout_ms = timeout_ms;
3009 sctx->submit_time = jiffies;
3010 init_completion(&sctx->done);
3011 sctx->status = RTW_SCTX_SUBMITTED;
3012 }
3013
rtw_sctx_wait(struct submit_ctx * sctx,const char * msg)3014 int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg)
3015 {
3016 int ret = _FAIL;
3017 unsigned long expire;
3018 int status = 0;
3019
3020 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
3021 if (!wait_for_completion_timeout(&sctx->done, expire)) {
3022 /* timeout, do something?? */
3023 status = RTW_SCTX_DONE_TIMEOUT;
3024 DBG_871X("%s timeout: %s\n", __func__, msg);
3025 } else {
3026 status = sctx->status;
3027 }
3028
3029 if (status == RTW_SCTX_DONE_SUCCESS) {
3030 ret = _SUCCESS;
3031 }
3032
3033 return ret;
3034 }
3035
rtw_sctx_chk_waring_status(int status)3036 static bool rtw_sctx_chk_waring_status(int status)
3037 {
3038 switch (status) {
3039 case RTW_SCTX_DONE_UNKNOWN:
3040 case RTW_SCTX_DONE_BUF_ALLOC:
3041 case RTW_SCTX_DONE_BUF_FREE:
3042
3043 case RTW_SCTX_DONE_DRV_STOP:
3044 case RTW_SCTX_DONE_DEV_REMOVE:
3045 return true;
3046 default:
3047 return false;
3048 }
3049 }
3050
rtw_sctx_done_err(struct submit_ctx ** sctx,int status)3051 void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
3052 {
3053 if (*sctx) {
3054 if (rtw_sctx_chk_waring_status(status))
3055 DBG_871X("%s status:%d\n", __func__, status);
3056 (*sctx)->status = status;
3057 complete(&((*sctx)->done));
3058 *sctx = NULL;
3059 }
3060 }
3061
rtw_sctx_done(struct submit_ctx ** sctx)3062 void rtw_sctx_done(struct submit_ctx **sctx)
3063 {
3064 rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
3065 }
3066
rtw_ack_tx_wait(struct xmit_priv * pxmitpriv,u32 timeout_ms)3067 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
3068 {
3069 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3070
3071 pack_tx_ops->submit_time = jiffies;
3072 pack_tx_ops->timeout_ms = timeout_ms;
3073 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
3074
3075 return rtw_sctx_wait(pack_tx_ops, __func__);
3076 }
3077
rtw_ack_tx_done(struct xmit_priv * pxmitpriv,int status)3078 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
3079 {
3080 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
3081
3082 if (pxmitpriv->ack_tx) {
3083 rtw_sctx_done_err(&pack_tx_ops, status);
3084 } else {
3085 DBG_871X("%s ack_tx not set\n", __func__);
3086 }
3087 }
3088
