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staging: r8188eu: Replace misspelled local container macro
[linux-block.git] / drivers / staging / rtl8188eu / core / rtw_xmit.c
CommitLineData
d6846af6
LF		 1/******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20#define _RTW_XMIT_C_
21
22#include <osdep_service.h>
23#include <drv_types.h>
24#include <wifi.h>
25#include <osdep_intf.h>
d6846af6
LF		 26#include <usb_ops.h>
27#include <usb_osintf.h>
d249db9e 28#include <linux/vmalloc.h>
d6846af6
LF		 29
30static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
31static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
32
33static void _init_txservq(struct tx_servq *ptxservq)
34{
35_func_enter_;
36 _rtw_init_listhead(&ptxservq->tx_pending);
37 _rtw_init_queue(&ptxservq->sta_pending);
38 ptxservq->qcnt = 0;
39_func_exit_;
40}
41
42void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
43{
44_func_enter_;
45 _rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv));
f214e521 46 spin_lock_init(&psta_xmitpriv->lock);
d6846af6
LF		 47 _init_txservq(&psta_xmitpriv->be_q);
48 _init_txservq(&psta_xmitpriv->bk_q);
49 _init_txservq(&psta_xmitpriv->vi_q);
50 _init_txservq(&psta_xmitpriv->vo_q);
51 _rtw_init_listhead(&psta_xmitpriv->legacy_dz);
52 _rtw_init_listhead(&psta_xmitpriv->apsd);
53
54_func_exit_;
55}
56
57s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
58{
59 int i;
60 struct xmit_buf *pxmitbuf;
61 struct xmit_frame *pxframe;
62 int res = _SUCCESS;
63 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
64 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
65
66_func_enter_;
67
2397c6e0 68 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
d6846af6 69
f214e521 70 spin_lock_init(&pxmitpriv->lock);
efbef100
LF		 71 sema_init(&pxmitpriv->xmit_sema, 0);
72 sema_init(&pxmitpriv->terminate_xmitthread_sema, 0);
d6846af6
LF		 73
74 /*
75 Please insert all the queue initializaiton using _rtw_init_queue below
76 */
77
78 pxmitpriv->adapter = padapter;
79
80 _rtw_init_queue(&pxmitpriv->be_pending);
81 _rtw_init_queue(&pxmitpriv->bk_pending);
82 _rtw_init_queue(&pxmitpriv->vi_pending);
83 _rtw_init_queue(&pxmitpriv->vo_pending);
84 _rtw_init_queue(&pxmitpriv->bm_pending);
85
86 _rtw_init_queue(&pxmitpriv->free_xmit_queue);
87
88 /*
89 Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
90 and initialize free_xmit_frame below.
91 Please also apply free_txobj to link_up all the xmit_frames...
92 */
93
2397c6e0 94 pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
d6846af6
LF		 95
96 if (pxmitpriv->pallocated_frame_buf == NULL) {
97 pxmitpriv->pxmit_frame_buf = NULL;
98 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
99 res = _FAIL;
100 goto exit;
101 }
102 pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4);
103 /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
104 /* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */
105
106 pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
107
108 for (i = 0; i < NR_XMITFRAME; i++) {
109 _rtw_init_listhead(&(pxframe->list));
110
111 pxframe->padapter = padapter;
112 pxframe->frame_tag = NULL_FRAMETAG;
113
114 pxframe->pkt = NULL;
115
116 pxframe->buf_addr = NULL;
117 pxframe->pxmitbuf = NULL;
118
119 rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
120
121 pxframe++;
122 }
123
124 pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
125
126 pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
127
128 /* init xmit_buf */
129 _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
130 _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
131
2397c6e0 132 pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
d6846af6
LF		 133
134 if (pxmitpriv->pallocated_xmitbuf == NULL) {
135 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
136 res = _FAIL;
137 goto exit;
138 }
139
140 pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4);
141 /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
142 /* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */
143
144 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
145
146 for (i = 0; i < NR_XMITBUFF; i++) {
147 _rtw_init_listhead(&pxmitbuf->list);
148
149 pxmitbuf->priv_data = NULL;
150 pxmitbuf->padapter = padapter;
151 pxmitbuf->ext_tag = false;
152
153 /* Tx buf allocation may fail sometimes, so sleep and retry. */
154 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
155 if (res == _FAIL) {
0da46e6b 156 msleep(10);
d6846af6
LF		 157 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
158 if (res == _FAIL) {
159 goto exit;
160 }
161 }
162
163 pxmitbuf->flags = XMIT_VO_QUEUE;
164
165 rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
166 pxmitbuf++;
167 }
168
169 pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
170
171 /* Init xmit extension buff */
172 _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
173
2397c6e0 174 pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
d6846af6
LF		 175
176 if (pxmitpriv->pallocated_xmit_extbuf == NULL) {
177 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
178 res = _FAIL;
179 goto exit;
180 }
181
182 pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4);
183
184 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
185
186 for (i = 0; i < num_xmit_extbuf; i++) {
187 _rtw_init_listhead(&pxmitbuf->list);
188
189 pxmitbuf->priv_data = NULL;
190 pxmitbuf->padapter = padapter;
191 pxmitbuf->ext_tag = true;
192
193 res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
194 if (res == _FAIL) {
195 res = _FAIL;
196 goto exit;
197 }
198
199 rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
200 pxmitbuf++;
201 }
202
203 pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
204
205 rtw_alloc_hwxmits(padapter);
206 rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
207
208 for (i = 0; i < 4; i++)
209 pxmitpriv->wmm_para_seq[i] = i;
210
211 pxmitpriv->txirp_cnt = 1;
212
efbef100 213 sema_init(&(pxmitpriv->tx_retevt), 0);
d6846af6
LF		 214
215 /* per AC pending irp */
216 pxmitpriv->beq_cnt = 0;
217 pxmitpriv->bkq_cnt = 0;
218 pxmitpriv->viq_cnt = 0;
219 pxmitpriv->voq_cnt = 0;
220
221 pxmitpriv->ack_tx = false;
2ca4ab53 222 mutex_init(&pxmitpriv->ack_tx_mutex);
d6846af6
LF		 223 rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
224
225 rtw_hal_init_xmit_priv(padapter);
226
227exit:
228
229_func_exit_;
230
231 return res;
232}
233
d6846af6
LF		 234void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv)
235{
236 int i;
237 struct adapter *padapter = pxmitpriv->adapter;
238 struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
239 struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
240 u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
241 u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
242
243 _func_enter_;
244
245 rtw_hal_free_xmit_priv(padapter);
246
d6846af6
LF		 247 if (pxmitpriv->pxmit_frame_buf == NULL)
248 goto out;
249
250 for (i = 0; i < NR_XMITFRAME; i++) {
251 rtw_os_xmit_complete(padapter, pxmitframe);
252
253 pxmitframe++;
254 }
255
256 for (i = 0; i < NR_XMITBUFF; i++) {
257 rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
258 pxmitbuf++;
259 }
260
261 if (pxmitpriv->pallocated_frame_buf)
03bd6aea 262 vfree(pxmitpriv->pallocated_frame_buf);
d6846af6
LF		 263
264 if (pxmitpriv->pallocated_xmitbuf)
03bd6aea 265 vfree(pxmitpriv->pallocated_xmitbuf);
d6846af6
LF		 266
267 /* free xmit extension buff */
d6846af6
LF		 268 pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
269 for (i = 0; i < num_xmit_extbuf; i++) {
270 rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ));
271 pxmitbuf++;
272 }
273
274 if (pxmitpriv->pallocated_xmit_extbuf) {
03bd6aea 275 vfree(pxmitpriv->pallocated_xmit_extbuf);
d6846af6
LF		 276 }
277
278 rtw_free_hwxmits(padapter);
279
4b33d52a 280 mutex_destroy(&pxmitpriv->ack_tx_mutex);
d6846af6
LF		 281
282out:
283
284_func_exit_;
285}
286
287static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
288{
289 u32 sz;
290 struct pkt_attrib *pattrib = &pxmitframe->attrib;
291 struct sta_info *psta = pattrib->psta;
292 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
293 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
294
295 if (pattrib->nr_frags != 1)
296 sz = padapter->xmitpriv.frag_len;
297 else /* no frag */
298 sz = pattrib->last_txcmdsz;
299
300 /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */
301 /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */
302 /* Other fragments are protected by previous fragment. */
303 /* So we only need to check the length of first fragment. */
304 if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) {
305 if (sz > padapter->registrypriv.rts_thresh) {
306 pattrib->vcs_mode = RTS_CTS;
307 } else {
308 if (psta->rtsen)
309 pattrib->vcs_mode = RTS_CTS;
310 else if (psta->cts2self)
311 pattrib->vcs_mode = CTS_TO_SELF;
312 else
313 pattrib->vcs_mode = NONE_VCS;
314 }
315 } else {
316 while (true) {
317 /* IOT action */
318 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
319 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
320 pattrib->vcs_mode = CTS_TO_SELF;
321 break;
322 }
323
324 /* check ERP protection */
325 if (psta->rtsen || psta->cts2self) {
326 if (psta->rtsen)
327 pattrib->vcs_mode = RTS_CTS;
328 else if (psta->cts2self)
329 pattrib->vcs_mode = CTS_TO_SELF;
330
331 break;
332 }
333
334 /* check HT op mode */
335 if (pattrib->ht_en) {
336 u8 htopmode = pmlmeinfo->HT_protection;
337 if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
338 (!pmlmeext->cur_bwmode && htopmode == 3)) {
339 pattrib->vcs_mode = RTS_CTS;
340 break;
341 }
342 }
343
344 /* check rts */
345 if (sz > padapter->registrypriv.rts_thresh) {
346 pattrib->vcs_mode = RTS_CTS;
347 break;
348 }
349
350 /* to do list: check MIMO power save condition. */
351
352 /* check AMPDU aggregation for TXOP */
353 if (pattrib->ampdu_en) {
354 pattrib->vcs_mode = RTS_CTS;
355 break;
356 }
357
358 pattrib->vcs_mode = NONE_VCS;
359 break;
360 }
361 }
362}
363
364static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
365{
366 /*if (psta->rtsen)
367 pattrib->vcs_mode = RTS_CTS;
368 else if (psta->cts2self)
369 pattrib->vcs_mode = CTS_TO_SELF;
370 else
371 pattrib->vcs_mode = NONE_VCS;*/
372
373 pattrib->mdata = 0;
374 pattrib->eosp = 0;
375 pattrib->triggered = 0;
376
377 /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
378 pattrib->qos_en = psta->qos_option;
379
380 pattrib->raid = psta->raid;
381 pattrib->ht_en = psta->htpriv.ht_option;
382 pattrib->bwmode = psta->htpriv.bwmode;
383 pattrib->ch_offset = psta->htpriv.ch_offset;
384 pattrib->sgi = psta->htpriv.sgi;
385 pattrib->ampdu_en = false;
386 pattrib->retry_ctrl = false;
387}
388
389u8 qos_acm(u8 acm_mask, u8 priority)
390{
391 u8 change_priority = priority;
392
393 switch (priority) {
394 case 0:
395 case 3:
396 if (acm_mask & BIT(1))
397 change_priority = 1;
398 break;
399 case 1:
400 case 2:
401 break;
402 case 4:
403 case 5:
404 if (acm_mask & BIT(2))
405 change_priority = 0;
406 break;
407 case 6:
408 case 7:
409 if (acm_mask & BIT(3))
410 change_priority = 5;
411 break;
412 default:
413 DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
414 break;
415 }
416
417 return change_priority;
418}
419
420static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
421{
422 struct ethhdr etherhdr;
423 struct iphdr ip_hdr;
424 s32 user_prio = 0;
425
426 _rtw_open_pktfile(ppktfile->pkt, ppktfile);
427 _rtw_pktfile_read(ppktfile, (unsigned char *)&etherhdr, ETH_HLEN);
428
429 /* get user_prio from IP hdr */
430 if (pattrib->ether_type == 0x0800) {
431 _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
432/* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
433 user_prio = ip_hdr.tos >> 5;
434 } else if (pattrib->ether_type == 0x888e) {
435 /* "When priority processing of data frames is supported, */
436 /* a STA's SME should send EAPOL-Key frames at the highest priority." */
437 user_prio = 7;
438 }
439
440 pattrib->priority = user_prio;
441 pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
442 pattrib->subtype = WIFI_QOS_DATA_TYPE;
443}
444
445static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
446{
447 struct pkt_file pktfile;
448 struct sta_info *psta = NULL;
449 struct ethhdr etherhdr;
450
451 int bmcast;
452 struct sta_priv *pstapriv = &padapter->stapriv;
453 struct security_priv *psecuritypriv = &padapter->securitypriv;
454 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
455 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
456 int res = _SUCCESS;
457
458 _func_enter_;
459
460 _rtw_open_pktfile(pkt, &pktfile);
461 _rtw_pktfile_read(&pktfile, (u8 *)&etherhdr, ETH_HLEN);
462
463 pattrib->ether_type = ntohs(etherhdr.h_proto);
464
465 memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
466 memcpy(pattrib->src, &etherhdr.h_source, ETH_ALEN);
467
468 pattrib->pctrl = 0;
469
470 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
471 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
472 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
473 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
474 } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
475 memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
476 memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
477 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
478 memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
479 memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
480 }
481
482 pattrib->pktlen = pktfile.pkt_len;
483
484 if (ETH_P_IP == pattrib->ether_type) {
485 /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
486 /* to prevent DHCP protocol fail */
487 u8 tmp[24];
488 _rtw_pktfile_read(&pktfile, &tmp[0], 24);
489 pattrib->dhcp_pkt = 0;
490 if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
491 if (ETH_P_IP == pattrib->ether_type) {/* IP header */
492 if (((tmp[21] == 68) && (tmp[23] == 67)) ||
493 ((tmp[21] == 67) && (tmp[23] == 68))) {
494 /* 68 : UDP BOOTP client */
495 /* 67 : UDP BOOTP server */
496 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n"));
497 /* Use low rate to send DHCP packet. */
498 pattrib->dhcp_pkt = 1;
499 }
500 }
501 }
502 } else if (0x888e == pattrib->ether_type) {
503 DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
504 }
505
506 if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
507 rtw_set_scan_deny(padapter, 3000);
508
509 /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
510 if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
511 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
512
513 bmcast = IS_MCAST(pattrib->ra);
514
515 /* get sta_info */
516 if (bmcast) {
517 psta = rtw_get_bcmc_stainfo(padapter);
518 } else {
519 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
520 if (psta == NULL) { /* if we cannot get psta => drrp the pkt */
521 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
522 res = _FAIL;
523 goto exit;
524 } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
525 res = _FAIL;
526 goto exit;
527 }
528 }
529
530 if (psta) {
531 pattrib->mac_id = psta->mac_id;
532 /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
533 pattrib->psta = psta;
534 } else {
535 /* if we cannot get psta => drop the pkt */
536 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
537 res = _FAIL;
538 goto exit;
539 }
540
541 pattrib->ack_policy = 0;
542 /* get ether_hdr_len */
543 pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
544
545 pattrib->hdrlen = WLAN_HDR_A3_LEN;
546 pattrib->subtype = WIFI_DATA_TYPE;
547 pattrib->priority = 0;
548
549 if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
550 if (psta->qos_option)
551 set_qos(&pktfile, pattrib);
552 } else {
553 if (pqospriv->qos_option) {
554 set_qos(&pktfile, pattrib);
555
556 if (pmlmepriv->acm_mask != 0)
557 pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
558 }
559 }
560
561 if (psta->ieee8021x_blocked) {
562 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
563
564 pattrib->encrypt = 0;
565
566 if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
567 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
568 res = _FAIL;
569 goto exit;
570 }
571 } else {
572 GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
573
574 switch (psecuritypriv->dot11AuthAlgrthm) {
575 case dot11AuthAlgrthm_Open:
576 case dot11AuthAlgrthm_Shared:
577 case dot11AuthAlgrthm_Auto:
578 pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
579 break;
580 case dot11AuthAlgrthm_8021X:
581 if (bmcast)
582 pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
583 else
584 pattrib->key_idx = 0;
585 break;
586 default:
587 pattrib->key_idx = 0;
588 break;
589 }
590 }
591
592 switch (pattrib->encrypt) {
593 case _WEP40_:
594 case _WEP104_:
595 pattrib->iv_len = 4;
596 pattrib->icv_len = 4;
597 break;
598 case _TKIP_:
599 pattrib->iv_len = 8;
600 pattrib->icv_len = 4;
601
602 if (padapter->securitypriv.busetkipkey == _FAIL) {
603 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
604 ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
605 padapter->securitypriv.busetkipkey));
606 res = _FAIL;
607 goto exit;
608 }
609 break;
610 case _AES_:
611 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
612 pattrib->iv_len = 8;
613 pattrib->icv_len = 8;
614 break;
615 default:
616 pattrib->iv_len = 0;
617 pattrib->icv_len = 0;
618 break;
619 }
620
621 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
622 ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n",
623 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
624
625 if (pattrib->encrypt &&
626 (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) {
627 pattrib->bswenc = true;
628 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
629 ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n",
630 pattrib->encrypt, padapter->securitypriv.sw_encrypt));
631 } else {
632 pattrib->bswenc = false;
633 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n"));
634 }
635
636 rtw_set_tx_chksum_offload(pkt, pattrib);
637
638 update_attrib_phy_info(pattrib, psta);
639
640exit:
641
642_func_exit_;
643
644 return res;
645}
646
647static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
648{
649 int curfragnum, length;
650 u8 *pframe, *payload, mic[8];
651 struct mic_data micdata;
652 struct sta_info *stainfo;
653 struct pkt_attrib *pattrib = &pxmitframe->attrib;
654 struct security_priv *psecuritypriv = &padapter->securitypriv;
655 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
656 u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
657 u8 hw_hdr_offset = 0;
658 int bmcst = IS_MCAST(pattrib->ra);
659
660 if (pattrib->psta)
661 stainfo = pattrib->psta;
662 else
663 stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]);
664
665_func_enter_;
666
74772fcf 667 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
d6846af6
LF		 668
669 if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
670 /* encode mic code */
671 if (stainfo != NULL) {
672 u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
673 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
674 0x0, 0x0};
675
676 pframe = pxmitframe->buf_addr + hw_hdr_offset;
677
678 if (bmcst) {
f42f52aa 679 if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
d6846af6
LF		 680 return _FAIL;
681 /* start to calculate the mic code */
682 rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
683 } else {
f42f52aa 684 if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16) == true) {
d6846af6 685 /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
0da46e6b 686 /* msleep(10); */
d6846af6
LF		 687 return _FAIL;
688 }
689 /* start to calculate the mic code */
690 rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
691 }
692
693 if (pframe[1]&1) { /* ToDS == 1 */
694 rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */
695 if (pframe[1]&2) /* From Ds == 1 */
696 rtw_secmicappend(&micdata, &pframe[24], 6);
697 else
698 rtw_secmicappend(&micdata, &pframe[10], 6);
699 } else { /* ToDS == 0 */
700 rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */
701 if (pframe[1]&2) /* From Ds == 1 */
702 rtw_secmicappend(&micdata, &pframe[16], 6);
703 else
704 rtw_secmicappend(&micdata, &pframe[10], 6);
705 }
706
707 if (pattrib->qos_en)
708 priority[0] = (u8)pxmitframe->attrib.priority;
709
710 rtw_secmicappend(&micdata, &priority[0], 4);
711
712 payload = pframe;
713
714 for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
715 payload = (u8 *)RND4((size_t)(payload));
716 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
717 ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
718 curfragnum, *payload, *(payload+1),
719 *(payload+2), *(payload+3),
720 *(payload+4), *(payload+5),
721 *(payload+6), *(payload+7)));
722
723 payload = payload+pattrib->hdrlen+pattrib->iv_len;
724 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
725 ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
726 curfragnum, pattrib->hdrlen, pattrib->iv_len));
727 if ((curfragnum+1) == pattrib->nr_frags) {
728 length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
729 rtw_secmicappend(&micdata, payload, length);
730 payload = payload+length;
731 } else {
732 length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
733 rtw_secmicappend(&micdata, payload, length);
734 payload = payload+length+pattrib->icv_len;
735 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
736 }
737 }
738 rtw_secgetmic(&micdata, &(mic[0]));
739 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
740 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz));
741 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\
742 mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
743 mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
744 /* add mic code and add the mic code length in last_txcmdsz */
745
746 memcpy(payload, &(mic[0]), 8);
747 pattrib->last_txcmdsz += 8;
748
749 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
750 payload = payload-pattrib->last_txcmdsz+8;
751 for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
752 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
753 (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ",
754 *(payload+curfragnum), *(payload+curfragnum+1),
755 *(payload+curfragnum+2), *(payload+curfragnum+3),
756 *(payload+curfragnum+4), *(payload+curfragnum+5),
757 *(payload+curfragnum+6), *(payload+curfragnum+7)));
758 } else {
759 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
760 }
761 }
762
763_func_exit_;
764
765 return _SUCCESS;
766}
767
768static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
769{
770 struct pkt_attrib *pattrib = &pxmitframe->attrib;
771
772_func_enter_;
773
774 if (pattrib->bswenc) {
775 RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
776 switch (pattrib->encrypt) {
777 case _WEP40_:
778 case _WEP104_:
779 rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
780 break;
781 case _TKIP_:
782 rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
783 break;
784 case _AES_:
785 rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
786 break;
787 default:
788 break;
789 }
790 } else {
791 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
792 }
793
794_func_exit_;
795
796 return _SUCCESS;
797}
798
799s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib)
800{
801 u16 *qc;
802
803 struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr;
804 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
805 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
806 u8 qos_option = false;
807
808 int res = _SUCCESS;
7e83fd6d 809 __le16 *fctrl = &pwlanhdr->frame_ctl;
d6846af6
LF		 810
811 struct sta_info *psta;
812
813 int bmcst = IS_MCAST(pattrib->ra);
814
815_func_enter_;
816
817 if (pattrib->psta) {
818 psta = pattrib->psta;
819 } else {
820 if (bmcst) {
821 psta = rtw_get_bcmc_stainfo(padapter);
822 } else {
823 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
824 }
825 }
826
827 _rtw_memset(hdr, 0, WLANHDR_OFFSET);
828
829 SetFrameSubType(fctrl, pattrib->subtype);
830
831 if (pattrib->subtype & WIFI_DATA_TYPE) {
832 if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) {
833 /* to_ds = 1, fr_ds = 0; */
834 /* Data transfer to AP */
835 SetToDs(fctrl);
836 memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
837 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
838 memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
839
840 if (pqospriv->qos_option)
841 qos_option = true;
842 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
843 /* to_ds = 0, fr_ds = 1; */
844 SetFrDs(fctrl);
845 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
846 memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
847 memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
848
849 if (psta->qos_option)
850 qos_option = true;
851 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
852 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
853 memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
854 memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
855 memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
856
857 if (psta->qos_option)
858 qos_option = true;
859 } else {
860 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
861 res = _FAIL;
862 goto exit;
863 }
864
865 if (pattrib->mdata)
866 SetMData(fctrl);
867
868 if (pattrib->encrypt)
869 SetPrivacy(fctrl);
870
871 if (qos_option) {
872 qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
873
874 if (pattrib->priority)
875 SetPriority(qc, pattrib->priority);
876
877 SetEOSP(qc, pattrib->eosp);
878
879 SetAckpolicy(qc, pattrib->ack_policy);
880 }
881
882 /* TODO: fill HT Control Field */
883
884 /* Update Seq Num will be handled by f/w */
885 if (psta) {
886 psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
887 psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
888
889 pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
890
891 SetSeqNum(hdr, pattrib->seqnum);
892
893 /* check if enable ampdu */
894 if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
895 if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
896 pattrib->ampdu_en = true;
897 }
898
899 /* re-check if enable ampdu by BA_starting_seqctrl */
900 if (pattrib->ampdu_en) {
901 u16 tx_seq;
902
903 tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
904
905 /* check BA_starting_seqctrl */
906 if (SN_LESS(pattrib->seqnum, tx_seq)) {
907 pattrib->ampdu_en = false;/* AGG BK */
908 } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
909 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
910
911 pattrib->ampdu_en = true;/* AGG EN */
912 } else {
913 psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
914 pattrib->ampdu_en = true;/* AGG EN */
915 }
916 }
917 }
918 }
919exit:
920
921_func_exit_;
922 return res;
923}
924
925s32 rtw_txframes_pending(struct adapter *padapter)
926{
927 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
928
929 return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) ||
930 (_rtw_queue_empty(&pxmitpriv->bk_pending) == false) ||
931 (_rtw_queue_empty(&pxmitpriv->vi_pending) == false) ||
932 (_rtw_queue_empty(&pxmitpriv->vo_pending) == false));
933}
934
935s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
936{
937 struct sta_info *psta;
938 struct tx_servq *ptxservq;
939 int priority = pattrib->priority;
940
941 psta = pattrib->psta;
942
943 switch (priority) {
944 case 1:
945 case 2:
946 ptxservq = &(psta->sta_xmitpriv.bk_q);
947 break;
948 case 4:
949 case 5:
950 ptxservq = &(psta->sta_xmitpriv.vi_q);
951 break;
952 case 6:
953 case 7:
954 ptxservq = &(psta->sta_xmitpriv.vo_q);
955 break;
956 case 0:
957 case 3:
958 default:
959 ptxservq = &(psta->sta_xmitpriv.be_q);
960 break;
961 }
962
963 return ptxservq->qcnt;
964}
965
966/*
967 * Calculate wlan 802.11 packet MAX size from pkt_attrib
968 * This function doesn't consider fragment case
969 */
970u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
971{
972 u32 len = 0;
973
974 len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */
975 len += SNAP_SIZE + sizeof(u16); /* LLC */
976 len += pattrib->pktlen;
977 if (pattrib->encrypt == _TKIP_)
978 len += 8; /* MIC */
979 len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */
980
981 return len;
982}
983
984/*
985
986This sub-routine will perform all the following:
987
9881. remove 802.3 header.
9892. create wlan_header, based on the info in pxmitframe
9903. append sta's iv/ext-iv
9914. append LLC
9925. move frag chunk from pframe to pxmitframe->mem
9936. apply sw-encrypt, if necessary.
994
995*/
996s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
997{
998 struct pkt_file pktfile;
999 s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
1000 size_t addr;
1001 u8 *pframe, *mem_start;
1002 u8 hw_hdr_offset;
1003 struct sta_info *psta;
1004 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1005 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1006 u8 *pbuf_start;
1007 s32 bmcst = IS_MCAST(pattrib->ra);
1008 s32 res = _SUCCESS;
1009
1010_func_enter_;
1011
1012 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
1013
1014 if (psta == NULL)
1015 return _FAIL;
1016
1017 if (pxmitframe->buf_addr == NULL) {
1018 DBG_88E("==> %s buf_addr == NULL\n", __func__);
1019 return _FAIL;
1020 }
1021
1022 pbuf_start = pxmitframe->buf_addr;
1023
1024 hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
1025
1026 mem_start = pbuf_start + hw_hdr_offset;
1027
1028 if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
1029 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
1030 DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
1031 res = _FAIL;
1032 goto exit;
1033 }
1034
1035 _rtw_open_pktfile(pkt, &pktfile);
1036 _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
1037
1038 frg_inx = 0;
1039 frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
1040
1041 while (1) {
1042 llc_sz = 0;
1043
1044 mpdu_len = frg_len;
1045
1046 pframe = mem_start;
1047
1048 SetMFrag(mem_start);
1049
1050 pframe += pattrib->hdrlen;
1051 mpdu_len -= pattrib->hdrlen;
1052
1053 /* adding icv, if necessary... */
1054 if (pattrib->iv_len) {
1055 if (psta != NULL) {
1056 switch (pattrib->encrypt) {
1057 case _WEP40_:
1058 case _WEP104_:
1059 WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1060 break;
1061 case _TKIP_:
1062 if (bmcst)
1063 TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1064 else
1065 TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
1066 break;
1067 case _AES_:
1068 if (bmcst)
1069 AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
1070 else
1071 AES_IV(pattrib->iv, psta->dot11txpn, 0);
1072 break;
1073 }
1074 }
1075
1076 memcpy(pframe, pattrib->iv, pattrib->iv_len);
1077
1078 RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
1079 ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
1080 padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
1081
1082 pframe += pattrib->iv_len;
1083
1084 mpdu_len -= pattrib->iv_len;
1085 }
1086
1087 if (frg_inx == 0) {
1088 llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
1089 pframe += llc_sz;
1090 mpdu_len -= llc_sz;
1091 }
1092
1093 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1094 mpdu_len -= pattrib->icv_len;
1095 }
1096
1097 if (bmcst) {
1098 /* don't do fragment to broadcat/multicast packets */
1099 mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
1100 } else {
1101 mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
1102 }
1103
1104 pframe += mem_sz;
1105
1106 if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
1107 memcpy(pframe, pattrib->icv, pattrib->icv_len);
1108 pframe += pattrib->icv_len;
1109 }
1110
1111 frg_inx++;
1112
1113 if (bmcst || rtw_endofpktfile(&pktfile)) {
1114 pattrib->nr_frags = frg_inx;
1115
1116 pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
1117 ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
1118
1119 ClearMFrag(mem_start);
1120
1121 break;
1122 } else {
1123 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
1124 }
1125
1126 addr = (size_t)(pframe);
1127
1128 mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
1129 memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
1130 }
1131
1132 if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
1133 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
1134 DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
1135 res = _FAIL;
1136 goto exit;
1137 }
1138
1139 xmitframe_swencrypt(padapter, pxmitframe);
1140
1141 if (!bmcst)
1142 update_attrib_vcs_info(padapter, pxmitframe);
1143 else
1144 pattrib->vcs_mode = NONE_VCS;
1145
1146exit:
1147
1148_func_exit_;
1149
1150 return res;
1151}
1152
1153/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
1154 * IEEE LLC/SNAP header contains 8 octets
1155 * First 3 octets comprise the LLC portion
1156 * SNAP portion, 5 octets, is divided into two fields:
1157 * Organizationally Unique Identifier(OUI), 3 octets,
1158 * type, defined by that organization, 2 octets.
1159 */
1160s32 rtw_put_snap(u8 *data, u16 h_proto)
1161{
1162 struct ieee80211_snap_hdr *snap;
1163 u8 *oui;
1164
1165_func_enter_;
1166
1167 snap = (struct ieee80211_snap_hdr *)data;
1168 snap->dsap = 0xaa;
1169 snap->ssap = 0xaa;
1170 snap->ctrl = 0x03;
1171
1172 if (h_proto == 0x8137 || h_proto == 0x80f3)
1173 oui = P802_1H_OUI;
1174 else
1175 oui = RFC1042_OUI;
1176
1177 snap->oui[0] = oui[0];
1178 snap->oui[1] = oui[1];
1179 snap->oui[2] = oui[2];
1180
1181 *(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
1182
1183_func_exit_;
1184
1185 return SNAP_SIZE + sizeof(u16);
1186}
1187
1188void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
1189{
1190 uint protection;
1191 u8 *perp;
1192 int erp_len;
1193 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1194 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1195
1196_func_enter_;
1197
1198 switch (pxmitpriv->vcs_setting) {
1199 case DISABLE_VCS:
1200 pxmitpriv->vcs = NONE_VCS;
1201 break;
1202 case ENABLE_VCS:
1203 break;
1204 case AUTO_VCS:
1205 default:
1206 perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
1207 if (perp == NULL) {
1208 pxmitpriv->vcs = NONE_VCS;
1209 } else {
1210 protection = (*(perp + 2)) & BIT(1);
1211 if (protection) {
1212 if (pregistrypriv->vcs_type == RTS_CTS)
1213 pxmitpriv->vcs = RTS_CTS;
1214 else
1215 pxmitpriv->vcs = CTS_TO_SELF;
1216 } else {
1217 pxmitpriv->vcs = NONE_VCS;
1218 }
1219 }
1220 break;
1221 }
1222
1223_func_exit_;
1224}
1225
1226void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
1227{
1228 struct sta_info *psta = NULL;
1229 struct stainfo_stats *pstats = NULL;
1230 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1231 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1232
1233 if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
1234 pxmitpriv->tx_bytes += sz;
1235 pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
1236
1237 psta = pxmitframe->attrib.psta;
1238 if (psta) {
1239 pstats = &psta->sta_stats;
1240 pstats->tx_pkts += pxmitframe->agg_num;
1241 pstats->tx_bytes += sz;
1242 }
1243 }
1244}
1245
1246struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
1247{
1248 unsigned long irql;
1249 struct xmit_buf *pxmitbuf = NULL;
1250 struct list_head *plist, *phead;
1251 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1252
1253_func_enter_;
1254
f937886b 1255 spin_lock_irqsave(&pfree_queue->lock, irql);
d6846af6
LF		 1256
1257 if (_rtw_queue_empty(pfree_queue) == true) {
1258 pxmitbuf = NULL;
1259 } else {
1260 phead = get_list_head(pfree_queue);
1261
1262 plist = get_next(phead);
1263
bea88100 1264 pxmitbuf = container_of(plist, struct xmit_buf, list);
d6846af6
LF		 1265
1266 rtw_list_delete(&(pxmitbuf->list));
1267 }
1268
1269 if (pxmitbuf != NULL) {
1270 pxmitpriv->free_xmit_extbuf_cnt--;
1271
1272 pxmitbuf->priv_data = NULL;
1273 /* pxmitbuf->ext_tag = true; */
1274
1275 if (pxmitbuf->sctx) {
1276 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1277 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1278 }
1279 }
1280
597794f5 1281 spin_unlock_irqrestore(&pfree_queue->lock, irql);
d6846af6
LF		 1282
1283_func_exit_;
1284
1285 return pxmitbuf;
1286}
1287
1288s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1289{
1290 unsigned long irql;
1291 struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
1292
1293_func_enter_;
1294
1295 if (pxmitbuf == NULL)
1296 return _FAIL;
1297
f937886b 1298 spin_lock_irqsave(&pfree_queue->lock, irql);
d6846af6
LF		 1299
1300 rtw_list_delete(&pxmitbuf->list);
1301
1302 rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
1303 pxmitpriv->free_xmit_extbuf_cnt++;
1304
597794f5 1305 spin_unlock_irqrestore(&pfree_queue->lock, irql);
d6846af6
LF		 1306
1307_func_exit_;
1308
1309 return _SUCCESS;
1310}
1311
1312struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
1313{
1314 unsigned long irql;
1315 struct xmit_buf *pxmitbuf = NULL;
1316 struct list_head *plist, *phead;
1317 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1318
1319_func_enter_;
1320
1321 /* DBG_88E("+rtw_alloc_xmitbuf\n"); */
1322
f937886b 1323 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
d6846af6
LF		 1324
1325 if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) {
1326 pxmitbuf = NULL;
1327 } else {
1328 phead = get_list_head(pfree_xmitbuf_queue);
1329
1330 plist = get_next(phead);
1331
bea88100 1332 pxmitbuf = container_of(plist, struct xmit_buf, list);
d6846af6
LF		 1333
1334 rtw_list_delete(&(pxmitbuf->list));
1335 }
1336
1337 if (pxmitbuf != NULL) {
1338 pxmitpriv->free_xmitbuf_cnt--;
1339 pxmitbuf->priv_data = NULL;
1340 if (pxmitbuf->sctx) {
1341 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1342 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
1343 }
1344 }
597794f5 1345 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
d6846af6
LF		 1346
1347_func_exit_;
1348
1349 return pxmitbuf;
1350}
1351
1352s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
1353{
1354 unsigned long irql;
1355 struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
1356
1357_func_enter_;
1358 if (pxmitbuf == NULL)
1359 return _FAIL;
1360
1361 if (pxmitbuf->sctx) {
1362 DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
1363 rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
1364 }
1365
1366 if (pxmitbuf->ext_tag) {
1367 rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
1368 } else {
f937886b 1369 spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql);
d6846af6
LF		 1370
1371 rtw_list_delete(&pxmitbuf->list);
1372
1373 rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
1374
1375 pxmitpriv->free_xmitbuf_cnt++;
597794f5 1376 spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql);
d6846af6
LF		 1377 }
1378
1379_func_exit_;
1380
1381 return _SUCCESS;
1382}
1383
1384/*
1385Calling context:
13861. OS_TXENTRY
13872. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
1388
1389If we turn on USE_RXTHREAD, then, no need for critical section.
1390Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
1391
1392Must be very very cautious...
1393
1394*/
1395
1396struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
1397{
1398 /*
1399 Please remember to use all the osdep_service api,
1400 and lock/unlock or _enter/_exit critical to protect
1401 pfree_xmit_queue
1402 */
1403
d6846af6
LF		 1404 struct xmit_frame *pxframe = NULL;
1405 struct list_head *plist, *phead;
1406 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1407
1408_func_enter_;
1409
7057dcb3 1410 spin_lock_bh(&pfree_xmit_queue->lock);
d6846af6
LF		 1411
1412 if (_rtw_queue_empty(pfree_xmit_queue) == true) {
1413 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
1414 pxframe = NULL;
1415 } else {
1416 phead = get_list_head(pfree_xmit_queue);
1417
1418 plist = get_next(phead);
1419
bea88100 1420 pxframe = container_of(plist, struct xmit_frame, list);
d6846af6
LF		 1421
1422 rtw_list_delete(&(pxframe->list));
1423 }
1424
1425 if (pxframe != NULL) { /* default value setting */
1426 pxmitpriv->free_xmitframe_cnt--;
1427
1428 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
1429
1430 pxframe->buf_addr = NULL;
1431 pxframe->pxmitbuf = NULL;
1432
1433 _rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
1434 /* pxframe->attrib.psta = NULL; */
1435
1436 pxframe->frame_tag = DATA_FRAMETAG;
1437
1438 pxframe->pkt = NULL;
1439 pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
1440
1441 pxframe->agg_num = 1;
1442 pxframe->ack_report = 0;
1443 }
1444
e02bcf61 1445 spin_unlock_bh(&pfree_xmit_queue->lock);
d6846af6
LF		 1446
1447_func_exit_;
1448
1449 return pxframe;
1450}
1451
1452s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
1453{
d6846af6
LF		 1454 struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
1455 struct adapter *padapter = pxmitpriv->adapter;
1456 struct sk_buff *pndis_pkt = NULL;
1457
1458_func_enter_;
1459
1460 if (pxmitframe == NULL) {
1461 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
1462 goto exit;
1463 }
1464
7057dcb3 1465 spin_lock_bh(&pfree_xmit_queue->lock);
d6846af6
LF		 1466
1467 rtw_list_delete(&pxmitframe->list);
1468
1469 if (pxmitframe->pkt) {
1470 pndis_pkt = pxmitframe->pkt;
1471 pxmitframe->pkt = NULL;
1472 }
1473
1474 rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
1475
1476 pxmitpriv->free_xmitframe_cnt++;
1477 RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
1478
e02bcf61 1479 spin_unlock_bh(&pfree_xmit_queue->lock);
d6846af6
LF		 1480
1481 if (pndis_pkt)
1482 rtw_os_pkt_complete(padapter, pndis_pkt);
1483
1484exit:
1485
1486_func_exit_;
1487
1488 return _SUCCESS;
1489}
1490
1491void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
1492{
d6846af6
LF		 1493 struct list_head *plist, *phead;
1494 struct xmit_frame *pxmitframe;
1495
1496_func_enter_;
1497
7057dcb3 1498 spin_lock_bh(&(pframequeue->lock));
d6846af6
LF		 1499
1500 phead = get_list_head(pframequeue);
1501 plist = get_next(phead);
1502
1503 while (!rtw_end_of_queue_search(phead, plist)) {
bea88100 1504 pxmitframe = container_of(plist, struct xmit_frame, list);
d6846af6
LF		 1505
1506 plist = get_next(plist);
1507
1508 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1509 }
e02bcf61 1510 spin_unlock_bh(&(pframequeue->lock));
d6846af6
LF		 1511
1512_func_exit_;
1513}
1514
1515s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
1516{
1517 if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
1518 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
1519 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
1520/* pxmitframe->pkt = NULL; */
1521 return _FAIL;
1522 }
1523
1524 return _SUCCESS;
1525}
1526
1527static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
1528{
1529 struct list_head *xmitframe_plist, *xmitframe_phead;
1530 struct xmit_frame *pxmitframe = NULL;
1531
1532 xmitframe_phead = get_list_head(pframe_queue);
1533 xmitframe_plist = get_next(xmitframe_phead);
1534
da6c3739 1535 if (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
bea88100 1536 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
d6846af6
LF		 1537
1538 xmitframe_plist = get_next(xmitframe_plist);
1539
1540 rtw_list_delete(&pxmitframe->list);
1541
1542 ptxservq->qcnt--;
d6846af6 1543 }
d6846af6
LF		 1544 return pxmitframe;
1545}
1546
1547struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
1548{
d6846af6
LF		 1549 struct list_head *sta_plist, *sta_phead;
1550 struct hw_xmit *phwxmit;
1551 struct tx_servq *ptxservq = NULL;
1552 struct __queue *pframe_queue = NULL;
1553 struct xmit_frame *pxmitframe = NULL;
1554 struct adapter *padapter = pxmitpriv->adapter;
1555 struct registry_priv *pregpriv = &padapter->registrypriv;
1556 int i, inx[4];
1557
1558_func_enter_;
1559
1560 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
1561
1562 if (pregpriv->wifi_spec == 1) {
1563 int j;
1564
1565 for (j = 0; j < 4; j++)
1566 inx[j] = pxmitpriv->wmm_para_seq[j];
1567 }
1568
7057dcb3 1569 spin_lock_bh(&pxmitpriv->lock);
d6846af6
LF		 1570
1571 for (i = 0; i < entry; i++) {
1572 phwxmit = phwxmit_i + inx[i];
1573
1574 sta_phead = get_list_head(phwxmit->sta_queue);
1575 sta_plist = get_next(sta_phead);
1576
1577 while (!rtw_end_of_queue_search(sta_phead, sta_plist)) {
bea88100 1578 ptxservq = container_of(sta_plist, struct tx_servq, tx_pending);
d6846af6
LF		 1579
1580 pframe_queue = &ptxservq->sta_pending;
1581
1582 pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
1583
1584 if (pxmitframe) {
1585 phwxmit->accnt--;
1586
1587 /* Remove sta node when there are no pending packets. */
1588 if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */
1589 rtw_list_delete(&ptxservq->tx_pending);
1590 goto exit;
1591 }
1592
1593 sta_plist = get_next(sta_plist);
1594 }
1595 }
1596exit:
e02bcf61 1597 spin_unlock_bh(&pxmitpriv->lock);
d6846af6
LF		 1598_func_exit_;
1599 return pxmitframe;
1600}
1601
1602struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
1603{
1604 struct tx_servq *ptxservq;
1605
1606_func_enter_;
1607 switch (up) {
1608 case 1:
1609 case 2:
1610 ptxservq = &(psta->sta_xmitpriv.bk_q);
1611 *(ac) = 3;
1612 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
1613 break;
1614 case 4:
1615 case 5:
1616 ptxservq = &(psta->sta_xmitpriv.vi_q);
1617 *(ac) = 1;
1618 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
1619 break;
1620 case 6:
1621 case 7:
1622 ptxservq = &(psta->sta_xmitpriv.vo_q);
1623 *(ac) = 0;
1624 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
1625 break;
1626 case 0:
1627 case 3:
1628 default:
1629 ptxservq = &(psta->sta_xmitpriv.be_q);
1630 *(ac) = 2;
1631 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
1632 break;
1633 }
1634
1635_func_exit_;
1636
1637 return ptxservq;
1638}
1639
1640/*
1641 * Will enqueue pxmitframe to the proper queue,
1642 * and indicate it to xx_pending list.....
1643 */
1644s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
1645{
d6846af6
LF		 1646 u8 ac_index;
1647 struct sta_info *psta;
1648 struct tx_servq *ptxservq;
1649 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1650 struct sta_priv *pstapriv = &padapter->stapriv;
1651 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
1652 int res = _SUCCESS;
1653
1654_func_enter_;
1655
1656 if (pattrib->psta) {
1657 psta = pattrib->psta;
1658 } else {
1659 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1660 }
1661
1662 if (psta == NULL) {
1663 res = _FAIL;
1664 DBG_88E("rtw_xmit_classifier: psta == NULL\n");
1665 RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
1666 goto exit;
1667 }
1668
1669 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
1670
1671 if (rtw_is_list_empty(&ptxservq->tx_pending))
1672 rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
1673
1674 rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
1675 ptxservq->qcnt++;
1676 phwxmits[ac_index].accnt++;
1677exit:
1678
1679_func_exit_;
1680
1681 return res;
1682}
1683
1684void rtw_alloc_hwxmits(struct adapter *padapter)
1685{
1686 struct hw_xmit *hwxmits;
1687 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1688
1689 pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
1690
1691 pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
1692
1693 hwxmits = pxmitpriv->hwxmits;
1694
1695 if (pxmitpriv->hwxmit_entry == 5) {
1696 hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
1697 hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
1698 hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
1699 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1700 hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
1701 } else if (pxmitpriv->hwxmit_entry == 4) {
1702 hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
1703 hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
1704 hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
1705 hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
1706 } else {
1707 }
1708}
1709
1710void rtw_free_hwxmits(struct adapter *padapter)
1711{
1712 struct hw_xmit *hwxmits;
1713 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1714
1715 hwxmits = pxmitpriv->hwxmits;
1716 kfree(hwxmits);
1717}
1718
1719void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
1720{
1721 int i;
1722_func_enter_;
1723 for (i = 0; i < entry; i++, phwxmit++)
1724 phwxmit->accnt = 0;
1725_func_exit_;
1726}
1727
1728static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
1729{
1730 struct sk_buff *skb = *pskb;
d6846af6
LF		 1731 int res, is_vlan_tag = 0, i, do_nat25 = 1;
1732 unsigned short vlan_hdr = 0;
1733 void *br_port = NULL;
1734
1735 rcu_read_lock();
1736 br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
1737 rcu_read_unlock();
7057dcb3 1738 spin_lock_bh(&padapter->br_ext_lock);
d6846af6
LF		 1739 if (!(skb->data[0] & 1) && br_port &&
1740 memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
1741 *((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) &&
1742 *((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) &&
1743 !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
1744 memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
1745 padapter->scdb_entry->ageing_timer = jiffies;
e02bcf61 1746 spin_unlock_bh(&padapter->br_ext_lock);
d6846af6
LF		 1747 } else {
1748 if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) {
1749 is_vlan_tag = 1;
1750 vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
1751 for (i = 0; i < 6; i++)
1752 *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
1753 skb_pull(skb, 4);
1754 }
1755 if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
1756 (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)))
1757 memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
1758
1759 if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) {
1760 if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) {
1761 padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
1762 skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12);
1763 if (padapter->scdb_entry) {
1764 memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN);
1765 memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
1766 padapter->scdb_entry->ageing_timer = jiffies;
1767 do_nat25 = 0;
1768 }
1769 } else {
1770 if (padapter->scdb_entry) {
1771 padapter->scdb_entry->ageing_timer = jiffies;
1772 do_nat25 = 0;
1773 } else {
1774 memset(padapter->scdb_mac, 0, MACADDRLEN);
1775 memset(padapter->scdb_ip, 0, 4);
1776 }
1777 }
1778 }
e02bcf61 1779 spin_unlock_bh(&padapter->br_ext_lock);
d6846af6
LF		 1780 if (do_nat25) {
1781 if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) {
1782 struct sk_buff *newskb;
1783
1784 if (is_vlan_tag) {
1785 skb_push(skb, 4);
1786 for (i = 0; i < 6; i++)
1787 *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
1788 *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
1789 *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
1790 }
1791
1792 newskb = skb_copy(skb, GFP_ATOMIC);
1793 if (newskb == NULL) {
1794 DEBUG_ERR("TX DROP: skb_copy fail!\n");
1795 return -1;
1796 }
1797 dev_kfree_skb_any(skb);
1798
1799 *pskb = skb = newskb;
1800 if (is_vlan_tag) {
1801 vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
1802 for (i = 0; i < 6; i++)
1803 *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
1804 skb_pull(skb, 4);
1805 }
1806 }
1807
1808 if (skb_is_nonlinear(skb))
1809 DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__);
1810
1811 res = skb_linearize(skb);
1812 if (res < 0) {
1813 DEBUG_ERR("TX DROP: skb_linearize fail!\n");
1814 return -1;
1815 }
1816
1817 res = nat25_db_handle(padapter, skb, NAT25_INSERT);
1818 if (res < 0) {
1819 if (res == -2) {
1820 DEBUG_ERR("TX DROP: nat25_db_handle fail!\n");
1821 return -1;
1822 }
1823 return 0;
1824 }
1825 }
1826
1827 memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
1828
1829 dhcp_flag_bcast(padapter, skb);
1830
1831 if (is_vlan_tag) {
1832 skb_push(skb, 4);
1833 for (i = 0; i < 6; i++)
1834 *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
1835 *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
1836 *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
1837 }
1838 }
1839
1840 /* check if SA is equal to our MAC */
1841 if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
1842 DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
1843 skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
1844 return -1;
1845 }
1846 return 0;
1847}
1848
1849u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
1850{
1851 u32 addr;
1852 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1853
1854 switch (pattrib->qsel) {
1855 case 0:
1856 case 3:
1857 addr = BE_QUEUE_INX;
1858 break;
1859 case 1:
1860 case 2:
1861 addr = BK_QUEUE_INX;
1862 break;
1863 case 4:
1864 case 5:
1865 addr = VI_QUEUE_INX;
1866 break;
1867 case 6:
1868 case 7:
1869 addr = VO_QUEUE_INX;
1870 break;
1871 case 0x10:
1872 addr = BCN_QUEUE_INX;
1873 break;
1874 case 0x11:/* BC/MC in PS (HIQ) */
1875 addr = HIGH_QUEUE_INX;
1876 break;
1877 case 0x12:
1878 default:
1879 addr = MGT_QUEUE_INX;
1880 break;
1881 }
1882
1883 return addr;
1884}
1885
1886static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib)
1887{
1888 u8 qsel;
1889
1890 qsel = pattrib->priority;
1891 RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel));
1892
1893 pattrib->qsel = qsel;
1894}
1895
1896/*
1897 * The main transmit(tx) entry
1898 *
1899 * Return
1900 * 1 enqueue
1901 * 0 success, hardware will handle this xmit frame(packet)
1902 * <0 fail
1903 */
1904s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
1905{
d6846af6
LF		 1906 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1907 struct xmit_frame *pxmitframe = NULL;
1908 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1909 void *br_port = NULL;
1910 s32 res;
1911
1912 pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
1913 if (pxmitframe == NULL) {
1914 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
1915 DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
1916 return -1;
1917 }
1918
1919 rcu_read_lock();
1920 br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
1921 rcu_read_unlock();
1922
1923 if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) {
1924 res = rtw_br_client_tx(padapter, ppkt);
1925 if (res == -1) {
1926 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1927 return -1;
1928 }
1929 }
1930
1931 res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
1932
1933 if (res == _FAIL) {
1934 RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
1935 rtw_free_xmitframe(pxmitpriv, pxmitframe);
1936 return -1;
1937 }
1938 pxmitframe->pkt = *ppkt;
1939
1940 rtw_led_control(padapter, LED_CTL_TX);
1941
1942 do_queue_select(padapter, &pxmitframe->attrib);
1943
1944#ifdef CONFIG_88EU_AP_MODE
7057dcb3 1945 spin_lock_bh(&pxmitpriv->lock);
d6846af6 1946 if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
e02bcf61 1947 spin_unlock_bh(&pxmitpriv->lock);
d6846af6
LF		 1948 return 1;
1949 }
e02bcf61 1950 spin_unlock_bh(&pxmitpriv->lock);
d6846af6
LF		 1951#endif
1952
1953 if (rtw_hal_xmit(padapter, pxmitframe) == false)
1954 return 1;
1955
1956 return 0;
1957}
1958
1959#if defined(CONFIG_88EU_AP_MODE)
1960
1961int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
1962{
d6846af6
LF		 1963 int ret = false;
1964 struct sta_info *psta = NULL;
1965 struct sta_priv *pstapriv = &padapter->stapriv;
1966 struct pkt_attrib *pattrib = &pxmitframe->attrib;
1967 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1968 int bmcst = IS_MCAST(pattrib->ra);
1969
1970 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
1971 return ret;
1972
1973 if (pattrib->psta)
1974 psta = pattrib->psta;
1975 else
1976 psta = rtw_get_stainfo(pstapriv, pattrib->ra);
1977
1978 if (psta == NULL)
1979 return ret;
1980
1981 if (pattrib->triggered == 1) {
1982 if (bmcst)
1983 pattrib->qsel = 0x11;/* HIQ */
1984 return ret;
1985 }
1986
1987 if (bmcst) {
7057dcb3 1988 spin_lock_bh(&psta->sleep_q.lock);
d6846af6
LF		 1989
1990 if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */
1991 rtw_list_delete(&pxmitframe->list);
1992
1993 rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
1994
1995 psta->sleepq_len++;
1996
1997 pstapriv->tim_bitmap |= BIT(0);/* */
1998 pstapriv->sta_dz_bitmap |= BIT(0);
1999
2000 update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */
2001
2002 ret = true;
2003 }
2004
e02bcf61 2005 spin_unlock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2006
2007 return ret;
2008 }
2009
7057dcb3 2010 spin_lock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2011
2012 if (psta->state&WIFI_SLEEP_STATE) {
2013 u8 wmmps_ac = 0;
2014
2015 if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
2016 rtw_list_delete(&pxmitframe->list);
2017
2018 rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
2019
2020 psta->sleepq_len++;
2021
2022 switch (pattrib->priority) {
2023 case 1:
2024 case 2:
2025 wmmps_ac = psta->uapsd_bk&BIT(0);
2026 break;
2027 case 4:
2028 case 5:
2029 wmmps_ac = psta->uapsd_vi&BIT(0);
2030 break;
2031 case 6:
2032 case 7:
2033 wmmps_ac = psta->uapsd_vo&BIT(0);
2034 break;
2035 case 0:
2036 case 3:
2037 default:
2038 wmmps_ac = psta->uapsd_be&BIT(0);
2039 break;
2040 }
2041
2042 if (wmmps_ac)
2043 psta->sleepq_ac_len++;
2044
2045 if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
2046 ((!psta->has_legacy_ac) && (wmmps_ac))) {
2047 pstapriv->tim_bitmap |= BIT(psta->aid);
2048
2049 if (psta->sleepq_len == 1) {
2050 /* upate BCN for TIM IE */
2051 update_beacon(padapter, _TIM_IE_, NULL, false);
2052 }
2053 }
2054 ret = true;
2055 }
2056 }
2057
e02bcf61 2058 spin_unlock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2059
2060 return ret;
2061}
2062
2063static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
2064{
2065 struct list_head *plist, *phead;
2066 u8 ac_index;
2067 struct tx_servq *ptxservq;
2068 struct pkt_attrib *pattrib;
2069 struct xmit_frame *pxmitframe;
2070 struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
2071
2072 phead = get_list_head(pframequeue);
2073 plist = get_next(phead);
2074
2075 while (!rtw_end_of_queue_search(phead, plist)) {
bea88100 2076 pxmitframe = container_of(plist, struct xmit_frame, list);
d6846af6
LF		 2077
2078 plist = get_next(plist);
2079
2080 xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
2081
2082 pattrib = &pxmitframe->attrib;
2083
2084 ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
2085
2086 ptxservq->qcnt--;
2087 phwxmits[ac_index].accnt--;
2088 }
2089}
2090
2091void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
2092{
d6846af6
LF		 2093 struct sta_info *psta_bmc;
2094 struct sta_xmit_priv *pstaxmitpriv;
2095 struct sta_priv *pstapriv = &padapter->stapriv;
2096 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2097
2098 pstaxmitpriv = &psta->sta_xmitpriv;
2099
2100 /* for BC/MC Frames */
2101 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2102
7057dcb3 2103 spin_lock_bh(&pxmitpriv->lock);
d6846af6
LF		 2104
2105 psta->state |= WIFI_SLEEP_STATE;
2106
2107 pstapriv->sta_dz_bitmap |= BIT(psta->aid);
2108
2109 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
2110 rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
2111
2112 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
2113 rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
2114
2115 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
2116 rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
2117
2118 dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
2119 rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
2120
2121 /* for BC/MC Frames */
2122 pstaxmitpriv = &psta_bmc->sta_xmitpriv;
2123 dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
2124 rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
2125
e02bcf61 2126 spin_unlock_bh(&pxmitpriv->lock);
d6846af6
LF		 2127}
2128
2129void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
2130{
d6846af6
LF		 2131 u8 update_mask = 0, wmmps_ac = 0;
2132 struct sta_info *psta_bmc;
2133 struct list_head *xmitframe_plist, *xmitframe_phead;
2134 struct xmit_frame *pxmitframe = NULL;
2135 struct sta_priv *pstapriv = &padapter->stapriv;
2136
7057dcb3 2137 spin_lock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2138
2139 xmitframe_phead = get_list_head(&psta->sleep_q);
2140 xmitframe_plist = get_next(xmitframe_phead);
2141
2142 while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
bea88100 2143 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
d6846af6
LF		 2144
2145 xmitframe_plist = get_next(xmitframe_plist);
2146
2147 rtw_list_delete(&pxmitframe->list);
2148
2149 switch (pxmitframe->attrib.priority) {
2150 case 1:
2151 case 2:
2152 wmmps_ac = psta->uapsd_bk&BIT(1);
2153 break;
2154 case 4:
2155 case 5:
2156 wmmps_ac = psta->uapsd_vi&BIT(1);
2157 break;
2158 case 6:
2159 case 7:
2160 wmmps_ac = psta->uapsd_vo&BIT(1);
2161 break;
2162 case 0:
2163 case 3:
2164 default:
2165 wmmps_ac = psta->uapsd_be&BIT(1);
2166 break;
2167 }
2168
2169 psta->sleepq_len--;
2170 if (psta->sleepq_len > 0)
2171 pxmitframe->attrib.mdata = 1;
2172 else
2173 pxmitframe->attrib.mdata = 0;
2174
2175 if (wmmps_ac) {
2176 psta->sleepq_ac_len--;
2177 if (psta->sleepq_ac_len > 0) {
2178 pxmitframe->attrib.mdata = 1;
2179 pxmitframe->attrib.eosp = 0;
2180 } else {
2181 pxmitframe->attrib.mdata = 0;
2182 pxmitframe->attrib.eosp = 1;
2183 }
2184 }
2185
2186 pxmitframe->attrib.triggered = 1;
2187
e02bcf61 2188 spin_unlock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2189 if (rtw_hal_xmit(padapter, pxmitframe))
2190 rtw_os_xmit_complete(padapter, pxmitframe);
7057dcb3 2191 spin_lock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2192 }
2193
2194 if (psta->sleepq_len == 0) {
2195 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2196
2197 update_mask = BIT(0);
2198
2199 if (psta->state&WIFI_SLEEP_STATE)
2200 psta->state ^= WIFI_SLEEP_STATE;
2201
2202 if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
2203 psta->expire_to = pstapriv->expire_to;
2204 psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
2205 }
2206
2207 pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
2208 }
2209
e02bcf61 2210 spin_unlock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2211
2212 /* for BC/MC Frames */
2213 psta_bmc = rtw_get_bcmc_stainfo(padapter);
2214 if (!psta_bmc)
2215 return;
2216
2217 if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
7057dcb3 2218 spin_lock_bh(&psta_bmc->sleep_q.lock);
d6846af6
LF		 2219
2220 xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
2221 xmitframe_plist = get_next(xmitframe_phead);
2222
2223 while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
bea88100 2224 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
d6846af6
LF		 2225
2226 xmitframe_plist = get_next(xmitframe_plist);
2227
2228 rtw_list_delete(&pxmitframe->list);
2229
2230 psta_bmc->sleepq_len--;
2231 if (psta_bmc->sleepq_len > 0)
2232 pxmitframe->attrib.mdata = 1;
2233 else
2234 pxmitframe->attrib.mdata = 0;
2235
2236 pxmitframe->attrib.triggered = 1;
2237
e02bcf61 2238 spin_unlock_bh(&psta_bmc->sleep_q.lock);
d6846af6
LF		 2239 if (rtw_hal_xmit(padapter, pxmitframe))
2240 rtw_os_xmit_complete(padapter, pxmitframe);
7057dcb3 2241 spin_lock_bh(&psta_bmc->sleep_q.lock);
d6846af6
LF		 2242 }
2243
2244 if (psta_bmc->sleepq_len == 0) {
2245 pstapriv->tim_bitmap &= ~BIT(0);
2246 pstapriv->sta_dz_bitmap &= ~BIT(0);
2247
2248 update_mask |= BIT(1);
2249 }
2250
e02bcf61 2251 spin_unlock_bh(&psta_bmc->sleep_q.lock);
d6846af6
LF		 2252 }
2253
2254 if (update_mask)
2255 update_beacon(padapter, _TIM_IE_, NULL, false);
2256}
2257
2258void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
2259{
d6846af6
LF		 2260 u8 wmmps_ac = 0;
2261 struct list_head *xmitframe_plist, *xmitframe_phead;
2262 struct xmit_frame *pxmitframe = NULL;
2263 struct sta_priv *pstapriv = &padapter->stapriv;
2264
7057dcb3 2265 spin_lock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2266
2267 xmitframe_phead = get_list_head(&psta->sleep_q);
2268 xmitframe_plist = get_next(xmitframe_phead);
2269
2270 while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
bea88100 2271 pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
d6846af6
LF		 2272
2273 xmitframe_plist = get_next(xmitframe_plist);
2274
2275 switch (pxmitframe->attrib.priority) {
2276 case 1:
2277 case 2:
2278 wmmps_ac = psta->uapsd_bk&BIT(1);
2279 break;
2280 case 4:
2281 case 5:
2282 wmmps_ac = psta->uapsd_vi&BIT(1);
2283 break;
2284 case 6:
2285 case 7:
2286 wmmps_ac = psta->uapsd_vo&BIT(1);
2287 break;
2288 case 0:
2289 case 3:
2290 default:
2291 wmmps_ac = psta->uapsd_be&BIT(1);
2292 break;
2293 }
2294
2295 if (!wmmps_ac)
2296 continue;
2297
2298 rtw_list_delete(&pxmitframe->list);
2299
2300 psta->sleepq_len--;
2301 psta->sleepq_ac_len--;
2302
2303 if (psta->sleepq_ac_len > 0) {
2304 pxmitframe->attrib.mdata = 1;
2305 pxmitframe->attrib.eosp = 0;
2306 } else {
2307 pxmitframe->attrib.mdata = 0;
2308 pxmitframe->attrib.eosp = 1;
2309 }
2310
2311 pxmitframe->attrib.triggered = 1;
2312
2313 if (rtw_hal_xmit(padapter, pxmitframe) == true)
2314 rtw_os_xmit_complete(padapter, pxmitframe);
2315
2316 if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
2317 pstapriv->tim_bitmap &= ~BIT(psta->aid);
2318
2319 /* upate BCN for TIM IE */
2320 update_beacon(padapter, _TIM_IE_, NULL, false);
2321 }
2322 }
2323
e02bcf61 2324 spin_unlock_bh(&psta->sleep_q.lock);
d6846af6
LF		 2325}
2326
2327#endif
2328
2329void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
2330{
2331 sctx->timeout_ms = timeout_ms;
c01fb496 2332 sctx->submit_time = jiffies;
d6846af6
LF		 2333 init_completion(&sctx->done);
2334 sctx->status = RTW_SCTX_SUBMITTED;
2335}
2336
2337int rtw_sctx_wait(struct submit_ctx *sctx)
2338{
2339 int ret = _FAIL;
2340 unsigned long expire;
2341 int status = 0;
2342
2343 expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
2344 if (!wait_for_completion_timeout(&sctx->done, expire)) {
2345 /* timeout, do something?? */
2346 status = RTW_SCTX_DONE_TIMEOUT;
2347 DBG_88E("%s timeout\n", __func__);
2348 } else {
2349 status = sctx->status;
2350 }
2351
2352 if (status == RTW_SCTX_DONE_SUCCESS)
2353 ret = _SUCCESS;
2354
2355 return ret;
2356}
2357
2358static bool rtw_sctx_chk_waring_status(int status)
2359{
2360 switch (status) {
2361 case RTW_SCTX_DONE_UNKNOWN:
2362 case RTW_SCTX_DONE_BUF_ALLOC:
2363 case RTW_SCTX_DONE_BUF_FREE:
2364
2365 case RTW_SCTX_DONE_DRV_STOP:
2366 case RTW_SCTX_DONE_DEV_REMOVE:
2367 return true;
2368 default:
2369 return false;
2370 }
2371}
2372
2373void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
2374{
2375 if (*sctx) {
2376 if (rtw_sctx_chk_waring_status(status))
2377 DBG_88E("%s status:%d\n", __func__, status);
2378 (*sctx)->status = status;
2379 complete(&((*sctx)->done));
2380 *sctx = NULL;
2381 }
2382}
2383
2384void rtw_sctx_done(struct submit_ctx **sctx)
2385{
2386 rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
2387}
2388
2389int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
2390{
2391 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2392
c01fb496 2393 pack_tx_ops->submit_time = jiffies;
d6846af6
LF		 2394 pack_tx_ops->timeout_ms = timeout_ms;
2395 pack_tx_ops->status = RTW_SCTX_SUBMITTED;
2396
2397 return rtw_sctx_wait(pack_tx_ops);
2398}
2399
2400void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
2401{
2402 struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
2403
2404 if (pxmitpriv->ack_tx)
2405 rtw_sctx_done_err(&pack_tx_ops, status);
2406 else
2407 DBG_88E("%s ack_tx not set\n", __func__);
2408}
Linux 6.x block layer and io_uring tree(s)