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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 | 26 | #include <usb_osintf.h> |
d249db9e | 27 | #include <linux/vmalloc.h> |
d6846af6 LF |
28 | |
29 | static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; | |
30 | static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; | |
31 | ||
32 | static void _init_txservq(struct tx_servq *ptxservq) | |
33 | { | |
d6846af6 LF |
34 | _rtw_init_listhead(&ptxservq->tx_pending); |
35 | _rtw_init_queue(&ptxservq->sta_pending); | |
36 | ptxservq->qcnt = 0; | |
d6846af6 LF |
37 | } |
38 | ||
39 | void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) | |
40 | { | |
1ce39848 | 41 | memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv)); |
f214e521 | 42 | spin_lock_init(&psta_xmitpriv->lock); |
d6846af6 LF |
43 | _init_txservq(&psta_xmitpriv->be_q); |
44 | _init_txservq(&psta_xmitpriv->bk_q); | |
45 | _init_txservq(&psta_xmitpriv->vi_q); | |
46 | _init_txservq(&psta_xmitpriv->vo_q); | |
47 | _rtw_init_listhead(&psta_xmitpriv->legacy_dz); | |
48 | _rtw_init_listhead(&psta_xmitpriv->apsd); | |
49 | ||
d6846af6 LF |
50 | } |
51 | ||
52 | s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) | |
53 | { | |
54 | int i; | |
55 | struct xmit_buf *pxmitbuf; | |
56 | struct xmit_frame *pxframe; | |
57 | int res = _SUCCESS; | |
58 | u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ; | |
59 | u32 num_xmit_extbuf = NR_XMIT_EXTBUFF; | |
60 | ||
d6846af6 | 61 | |
2397c6e0 | 62 | /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ |
d6846af6 | 63 | |
f214e521 | 64 | spin_lock_init(&pxmitpriv->lock); |
efbef100 LF |
65 | sema_init(&pxmitpriv->xmit_sema, 0); |
66 | sema_init(&pxmitpriv->terminate_xmitthread_sema, 0); | |
d6846af6 LF |
67 | |
68 | /* | |
69 | Please insert all the queue initializaiton using _rtw_init_queue below | |
70 | */ | |
71 | ||
72 | pxmitpriv->adapter = padapter; | |
73 | ||
74 | _rtw_init_queue(&pxmitpriv->be_pending); | |
75 | _rtw_init_queue(&pxmitpriv->bk_pending); | |
76 | _rtw_init_queue(&pxmitpriv->vi_pending); | |
77 | _rtw_init_queue(&pxmitpriv->vo_pending); | |
78 | _rtw_init_queue(&pxmitpriv->bm_pending); | |
79 | ||
80 | _rtw_init_queue(&pxmitpriv->free_xmit_queue); | |
81 | ||
82 | /* | |
83 | Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME, | |
84 | and initialize free_xmit_frame below. | |
85 | Please also apply free_txobj to link_up all the xmit_frames... | |
86 | */ | |
87 | ||
2397c6e0 | 88 | pxmitpriv->pallocated_frame_buf = vzalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); |
d6846af6 LF |
89 | |
90 | if (pxmitpriv->pallocated_frame_buf == NULL) { | |
91 | pxmitpriv->pxmit_frame_buf = NULL; | |
92 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n")); | |
93 | res = _FAIL; | |
94 | goto exit; | |
95 | } | |
96 | pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4); | |
97 | /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */ | |
98 | /* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */ | |
99 | ||
100 | pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; | |
101 | ||
102 | for (i = 0; i < NR_XMITFRAME; i++) { | |
103 | _rtw_init_listhead(&(pxframe->list)); | |
104 | ||
105 | pxframe->padapter = padapter; | |
106 | pxframe->frame_tag = NULL_FRAMETAG; | |
107 | ||
108 | pxframe->pkt = NULL; | |
109 | ||
110 | pxframe->buf_addr = NULL; | |
111 | pxframe->pxmitbuf = NULL; | |
112 | ||
ae6787ad | 113 | list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); |
d6846af6 LF |
114 | |
115 | pxframe++; | |
116 | } | |
117 | ||
118 | pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME; | |
119 | ||
120 | pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; | |
121 | ||
122 | /* init xmit_buf */ | |
123 | _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue); | |
124 | _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue); | |
125 | ||
2397c6e0 | 126 | pxmitpriv->pallocated_xmitbuf = vzalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); |
d6846af6 LF |
127 | |
128 | if (pxmitpriv->pallocated_xmitbuf == NULL) { | |
129 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n")); | |
130 | res = _FAIL; | |
131 | goto exit; | |
132 | } | |
133 | ||
134 | pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4); | |
135 | /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */ | |
136 | /* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */ | |
137 | ||
138 | pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; | |
139 | ||
140 | for (i = 0; i < NR_XMITBUFF; i++) { | |
141 | _rtw_init_listhead(&pxmitbuf->list); | |
142 | ||
143 | pxmitbuf->priv_data = NULL; | |
144 | pxmitbuf->padapter = padapter; | |
145 | pxmitbuf->ext_tag = false; | |
146 | ||
147 | /* Tx buf allocation may fail sometimes, so sleep and retry. */ | |
148 | res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); | |
149 | if (res == _FAIL) { | |
0da46e6b | 150 | msleep(10); |
d6846af6 LF |
151 | res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); |
152 | if (res == _FAIL) { | |
153 | goto exit; | |
154 | } | |
155 | } | |
156 | ||
157 | pxmitbuf->flags = XMIT_VO_QUEUE; | |
158 | ||
ae6787ad | 159 | list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); |
d6846af6 LF |
160 | pxmitbuf++; |
161 | } | |
162 | ||
163 | pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF; | |
164 | ||
165 | /* Init xmit extension buff */ | |
166 | _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue); | |
167 | ||
2397c6e0 | 168 | pxmitpriv->pallocated_xmit_extbuf = vzalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4); |
d6846af6 LF |
169 | |
170 | if (pxmitpriv->pallocated_xmit_extbuf == NULL) { | |
171 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); | |
172 | res = _FAIL; | |
173 | goto exit; | |
174 | } | |
175 | ||
176 | pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4); | |
177 | ||
178 | pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; | |
179 | ||
180 | for (i = 0; i < num_xmit_extbuf; i++) { | |
181 | _rtw_init_listhead(&pxmitbuf->list); | |
182 | ||
183 | pxmitbuf->priv_data = NULL; | |
184 | pxmitbuf->padapter = padapter; | |
185 | pxmitbuf->ext_tag = true; | |
186 | ||
187 | res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ); | |
188 | if (res == _FAIL) { | |
189 | res = _FAIL; | |
190 | goto exit; | |
191 | } | |
192 | ||
ae6787ad | 193 | list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); |
d6846af6 LF |
194 | pxmitbuf++; |
195 | } | |
196 | ||
197 | pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf; | |
198 | ||
199 | rtw_alloc_hwxmits(padapter); | |
200 | rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); | |
201 | ||
202 | for (i = 0; i < 4; i++) | |
203 | pxmitpriv->wmm_para_seq[i] = i; | |
204 | ||
205 | pxmitpriv->txirp_cnt = 1; | |
206 | ||
efbef100 | 207 | sema_init(&(pxmitpriv->tx_retevt), 0); |
d6846af6 LF |
208 | |
209 | /* per AC pending irp */ | |
210 | pxmitpriv->beq_cnt = 0; | |
211 | pxmitpriv->bkq_cnt = 0; | |
212 | pxmitpriv->viq_cnt = 0; | |
213 | pxmitpriv->voq_cnt = 0; | |
214 | ||
215 | pxmitpriv->ack_tx = false; | |
2ca4ab53 | 216 | mutex_init(&pxmitpriv->ack_tx_mutex); |
d6846af6 LF |
217 | rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); |
218 | ||
219 | rtw_hal_init_xmit_priv(padapter); | |
220 | ||
221 | exit: | |
222 | ||
d6846af6 LF |
223 | |
224 | return res; | |
225 | } | |
226 | ||
d6846af6 LF |
227 | void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv) |
228 | { | |
229 | int i; | |
230 | struct adapter *padapter = pxmitpriv->adapter; | |
231 | struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; | |
232 | struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; | |
233 | u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ; | |
234 | u32 num_xmit_extbuf = NR_XMIT_EXTBUFF; | |
235 | ||
d6846af6 | 236 | if (pxmitpriv->pxmit_frame_buf == NULL) |
f578b5d3 | 237 | return; |
d6846af6 LF |
238 | |
239 | for (i = 0; i < NR_XMITFRAME; i++) { | |
240 | rtw_os_xmit_complete(padapter, pxmitframe); | |
241 | ||
242 | pxmitframe++; | |
243 | } | |
244 | ||
245 | for (i = 0; i < NR_XMITBUFF; i++) { | |
246 | rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); | |
247 | pxmitbuf++; | |
248 | } | |
249 | ||
250 | if (pxmitpriv->pallocated_frame_buf) | |
03bd6aea | 251 | vfree(pxmitpriv->pallocated_frame_buf); |
d6846af6 LF |
252 | |
253 | if (pxmitpriv->pallocated_xmitbuf) | |
03bd6aea | 254 | vfree(pxmitpriv->pallocated_xmitbuf); |
d6846af6 LF |
255 | |
256 | /* free xmit extension buff */ | |
d6846af6 LF |
257 | pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; |
258 | for (i = 0; i < num_xmit_extbuf; i++) { | |
259 | rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ)); | |
260 | pxmitbuf++; | |
261 | } | |
262 | ||
263 | if (pxmitpriv->pallocated_xmit_extbuf) { | |
03bd6aea | 264 | vfree(pxmitpriv->pallocated_xmit_extbuf); |
d6846af6 LF |
265 | } |
266 | ||
267 | rtw_free_hwxmits(padapter); | |
268 | ||
4b33d52a | 269 | mutex_destroy(&pxmitpriv->ack_tx_mutex); |
d6846af6 LF |
270 | } |
271 | ||
272 | static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
273 | { | |
274 | u32 sz; | |
275 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
276 | struct sta_info *psta = pattrib->psta; | |
277 | struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); | |
278 | struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); | |
279 | ||
280 | if (pattrib->nr_frags != 1) | |
281 | sz = padapter->xmitpriv.frag_len; | |
282 | else /* no frag */ | |
283 | sz = pattrib->last_txcmdsz; | |
284 | ||
285 | /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */ | |
286 | /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */ | |
287 | /* Other fragments are protected by previous fragment. */ | |
288 | /* So we only need to check the length of first fragment. */ | |
289 | if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { | |
290 | if (sz > padapter->registrypriv.rts_thresh) { | |
291 | pattrib->vcs_mode = RTS_CTS; | |
292 | } else { | |
293 | if (psta->rtsen) | |
294 | pattrib->vcs_mode = RTS_CTS; | |
295 | else if (psta->cts2self) | |
296 | pattrib->vcs_mode = CTS_TO_SELF; | |
297 | else | |
298 | pattrib->vcs_mode = NONE_VCS; | |
299 | } | |
300 | } else { | |
301 | while (true) { | |
302 | /* IOT action */ | |
303 | if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en && | |
304 | (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { | |
305 | pattrib->vcs_mode = CTS_TO_SELF; | |
306 | break; | |
307 | } | |
308 | ||
309 | /* check ERP protection */ | |
310 | if (psta->rtsen || psta->cts2self) { | |
311 | if (psta->rtsen) | |
312 | pattrib->vcs_mode = RTS_CTS; | |
313 | else if (psta->cts2self) | |
314 | pattrib->vcs_mode = CTS_TO_SELF; | |
315 | ||
316 | break; | |
317 | } | |
318 | ||
319 | /* check HT op mode */ | |
320 | if (pattrib->ht_en) { | |
321 | u8 htopmode = pmlmeinfo->HT_protection; | |
322 | if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) || | |
323 | (!pmlmeext->cur_bwmode && htopmode == 3)) { | |
324 | pattrib->vcs_mode = RTS_CTS; | |
325 | break; | |
326 | } | |
327 | } | |
328 | ||
329 | /* check rts */ | |
330 | if (sz > padapter->registrypriv.rts_thresh) { | |
331 | pattrib->vcs_mode = RTS_CTS; | |
332 | break; | |
333 | } | |
334 | ||
335 | /* to do list: check MIMO power save condition. */ | |
336 | ||
337 | /* check AMPDU aggregation for TXOP */ | |
338 | if (pattrib->ampdu_en) { | |
339 | pattrib->vcs_mode = RTS_CTS; | |
340 | break; | |
341 | } | |
342 | ||
343 | pattrib->vcs_mode = NONE_VCS; | |
344 | break; | |
345 | } | |
346 | } | |
347 | } | |
348 | ||
349 | static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta) | |
350 | { | |
351 | /*if (psta->rtsen) | |
352 | pattrib->vcs_mode = RTS_CTS; | |
353 | else if (psta->cts2self) | |
354 | pattrib->vcs_mode = CTS_TO_SELF; | |
355 | else | |
356 | pattrib->vcs_mode = NONE_VCS;*/ | |
357 | ||
358 | pattrib->mdata = 0; | |
359 | pattrib->eosp = 0; | |
360 | pattrib->triggered = 0; | |
361 | ||
362 | /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */ | |
363 | pattrib->qos_en = psta->qos_option; | |
364 | ||
365 | pattrib->raid = psta->raid; | |
366 | pattrib->ht_en = psta->htpriv.ht_option; | |
367 | pattrib->bwmode = psta->htpriv.bwmode; | |
368 | pattrib->ch_offset = psta->htpriv.ch_offset; | |
369 | pattrib->sgi = psta->htpriv.sgi; | |
370 | pattrib->ampdu_en = false; | |
371 | pattrib->retry_ctrl = false; | |
372 | } | |
373 | ||
374 | u8 qos_acm(u8 acm_mask, u8 priority) | |
375 | { | |
376 | u8 change_priority = priority; | |
377 | ||
378 | switch (priority) { | |
379 | case 0: | |
380 | case 3: | |
381 | if (acm_mask & BIT(1)) | |
382 | change_priority = 1; | |
383 | break; | |
384 | case 1: | |
385 | case 2: | |
386 | break; | |
387 | case 4: | |
388 | case 5: | |
389 | if (acm_mask & BIT(2)) | |
390 | change_priority = 0; | |
391 | break; | |
392 | case 6: | |
393 | case 7: | |
394 | if (acm_mask & BIT(3)) | |
395 | change_priority = 5; | |
396 | break; | |
397 | default: | |
398 | DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); | |
399 | break; | |
400 | } | |
401 | ||
402 | return change_priority; | |
403 | } | |
404 | ||
405 | static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) | |
406 | { | |
407 | struct ethhdr etherhdr; | |
408 | struct iphdr ip_hdr; | |
409 | s32 user_prio = 0; | |
410 | ||
411 | _rtw_open_pktfile(ppktfile->pkt, ppktfile); | |
412 | _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN); | |
413 | ||
414 | /* get user_prio from IP hdr */ | |
415 | if (pattrib->ether_type == 0x0800) { | |
416 | _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); | |
417 | /* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */ | |
418 | user_prio = ip_hdr.tos >> 5; | |
419 | } else if (pattrib->ether_type == 0x888e) { | |
420 | /* "When priority processing of data frames is supported, */ | |
421 | /* a STA's SME should send EAPOL-Key frames at the highest priority." */ | |
422 | user_prio = 7; | |
423 | } | |
424 | ||
425 | pattrib->priority = user_prio; | |
426 | pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; | |
427 | pattrib->subtype = WIFI_QOS_DATA_TYPE; | |
428 | } | |
429 | ||
430 | static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib) | |
431 | { | |
432 | struct pkt_file pktfile; | |
433 | struct sta_info *psta = NULL; | |
434 | struct ethhdr etherhdr; | |
435 | ||
436 | int bmcast; | |
437 | struct sta_priv *pstapriv = &padapter->stapriv; | |
438 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
439 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
440 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
441 | int res = _SUCCESS; | |
442 | ||
d6846af6 LF |
443 | |
444 | _rtw_open_pktfile(pkt, &pktfile); | |
445 | _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN); | |
446 | ||
447 | pattrib->ether_type = ntohs(etherhdr.h_proto); | |
448 | ||
449 | memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); | |
450 | memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); | |
451 | ||
452 | pattrib->pctrl = 0; | |
453 | ||
454 | if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || | |
455 | check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { | |
456 | memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); | |
457 | memcpy(pattrib->ta, pattrib->src, ETH_ALEN); | |
458 | } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { | |
459 | memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); | |
460 | memcpy(pattrib->ta, pattrib->src, ETH_ALEN); | |
461 | } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { | |
462 | memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); | |
463 | memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); | |
464 | } | |
465 | ||
466 | pattrib->pktlen = pktfile.pkt_len; | |
467 | ||
468 | if (ETH_P_IP == pattrib->ether_type) { | |
469 | /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */ | |
470 | /* to prevent DHCP protocol fail */ | |
471 | u8 tmp[24]; | |
472 | _rtw_pktfile_read(&pktfile, &tmp[0], 24); | |
473 | pattrib->dhcp_pkt = 0; | |
474 | if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */ | |
475 | if (ETH_P_IP == pattrib->ether_type) {/* IP header */ | |
476 | if (((tmp[21] == 68) && (tmp[23] == 67)) || | |
477 | ((tmp[21] == 67) && (tmp[23] == 68))) { | |
478 | /* 68 : UDP BOOTP client */ | |
479 | /* 67 : UDP BOOTP server */ | |
480 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n")); | |
481 | /* Use low rate to send DHCP packet. */ | |
482 | pattrib->dhcp_pkt = 1; | |
483 | } | |
484 | } | |
485 | } | |
486 | } else if (0x888e == pattrib->ether_type) { | |
487 | DBG_88E_LEVEL(_drv_info_, "send eapol packet\n"); | |
488 | } | |
489 | ||
490 | if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) | |
491 | rtw_set_scan_deny(padapter, 3000); | |
492 | ||
493 | /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */ | |
494 | if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) | |
495 | rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); | |
496 | ||
497 | bmcast = IS_MCAST(pattrib->ra); | |
498 | ||
499 | /* get sta_info */ | |
500 | if (bmcast) { | |
501 | psta = rtw_get_bcmc_stainfo(padapter); | |
502 | } else { | |
503 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
504 | if (psta == NULL) { /* if we cannot get psta => drrp the pkt */ | |
505 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra))); | |
506 | res = _FAIL; | |
507 | goto exit; | |
508 | } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) { | |
509 | res = _FAIL; | |
510 | goto exit; | |
511 | } | |
512 | } | |
513 | ||
514 | if (psta) { | |
515 | pattrib->mac_id = psta->mac_id; | |
516 | /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */ | |
517 | pattrib->psta = psta; | |
518 | } else { | |
519 | /* if we cannot get psta => drop the pkt */ | |
520 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra))); | |
521 | res = _FAIL; | |
522 | goto exit; | |
523 | } | |
524 | ||
525 | pattrib->ack_policy = 0; | |
526 | /* get ether_hdr_len */ | |
527 | pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */ | |
528 | ||
529 | pattrib->hdrlen = WLAN_HDR_A3_LEN; | |
530 | pattrib->subtype = WIFI_DATA_TYPE; | |
531 | pattrib->priority = 0; | |
532 | ||
533 | if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { | |
534 | if (psta->qos_option) | |
535 | set_qos(&pktfile, pattrib); | |
536 | } else { | |
537 | if (pqospriv->qos_option) { | |
538 | set_qos(&pktfile, pattrib); | |
539 | ||
540 | if (pmlmepriv->acm_mask != 0) | |
541 | pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); | |
542 | } | |
543 | } | |
544 | ||
545 | if (psta->ieee8021x_blocked) { | |
546 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n")); | |
547 | ||
548 | pattrib->encrypt = 0; | |
549 | ||
550 | if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) { | |
551 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type)); | |
552 | res = _FAIL; | |
553 | goto exit; | |
554 | } | |
555 | } else { | |
556 | GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); | |
557 | ||
558 | switch (psecuritypriv->dot11AuthAlgrthm) { | |
559 | case dot11AuthAlgrthm_Open: | |
560 | case dot11AuthAlgrthm_Shared: | |
561 | case dot11AuthAlgrthm_Auto: | |
562 | pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; | |
563 | break; | |
564 | case dot11AuthAlgrthm_8021X: | |
565 | if (bmcast) | |
566 | pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; | |
567 | else | |
568 | pattrib->key_idx = 0; | |
569 | break; | |
570 | default: | |
571 | pattrib->key_idx = 0; | |
572 | break; | |
573 | } | |
574 | } | |
575 | ||
576 | switch (pattrib->encrypt) { | |
577 | case _WEP40_: | |
578 | case _WEP104_: | |
579 | pattrib->iv_len = 4; | |
580 | pattrib->icv_len = 4; | |
581 | break; | |
582 | case _TKIP_: | |
583 | pattrib->iv_len = 8; | |
584 | pattrib->icv_len = 4; | |
585 | ||
586 | if (padapter->securitypriv.busetkipkey == _FAIL) { | |
587 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
588 | ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n", | |
589 | padapter->securitypriv.busetkipkey)); | |
590 | res = _FAIL; | |
591 | goto exit; | |
592 | } | |
593 | break; | |
594 | case _AES_: | |
595 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt)); | |
596 | pattrib->iv_len = 8; | |
597 | pattrib->icv_len = 8; | |
598 | break; | |
599 | default: | |
600 | pattrib->iv_len = 0; | |
601 | pattrib->icv_len = 0; | |
602 | break; | |
603 | } | |
604 | ||
605 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, | |
606 | ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n", | |
607 | pattrib->encrypt, padapter->securitypriv.sw_encrypt)); | |
608 | ||
609 | if (pattrib->encrypt && | |
610 | (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) { | |
611 | pattrib->bswenc = true; | |
612 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
613 | ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n", | |
614 | pattrib->encrypt, padapter->securitypriv.sw_encrypt)); | |
615 | } else { | |
616 | pattrib->bswenc = false; | |
617 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n")); | |
618 | } | |
619 | ||
d6846af6 LF |
620 | update_attrib_phy_info(pattrib, psta); |
621 | ||
622 | exit: | |
623 | ||
d6846af6 LF |
624 | |
625 | return res; | |
626 | } | |
627 | ||
628 | static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
629 | { | |
630 | int curfragnum, length; | |
631 | u8 *pframe, *payload, mic[8]; | |
632 | struct mic_data micdata; | |
633 | struct sta_info *stainfo; | |
634 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
635 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
636 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
637 | u8 priority[4] = {0x0, 0x0, 0x0, 0x0}; | |
638 | u8 hw_hdr_offset = 0; | |
639 | int bmcst = IS_MCAST(pattrib->ra); | |
640 | ||
641 | if (pattrib->psta) | |
642 | stainfo = pattrib->psta; | |
643 | else | |
644 | stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]); | |
645 | ||
d6846af6 | 646 | |
74772fcf | 647 | hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); |
d6846af6 LF |
648 | |
649 | if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ | |
650 | /* encode mic code */ | |
651 | if (stainfo != NULL) { | |
652 | u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | |
653 | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | |
654 | 0x0, 0x0}; | |
655 | ||
656 | pframe = pxmitframe->buf_addr + hw_hdr_offset; | |
657 | ||
658 | if (bmcst) { | |
f42f52aa | 659 | if (!memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) |
d6846af6 LF |
660 | return _FAIL; |
661 | /* start to calculate the mic code */ | |
662 | rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); | |
663 | } else { | |
05c9bc1f | 664 | if (!memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16)) { |
d6846af6 | 665 | /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ |
0da46e6b | 666 | /* msleep(10); */ |
d6846af6 LF |
667 | return _FAIL; |
668 | } | |
669 | /* start to calculate the mic code */ | |
670 | rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]); | |
671 | } | |
672 | ||
673 | if (pframe[1]&1) { /* ToDS == 1 */ | |
674 | rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */ | |
675 | if (pframe[1]&2) /* From Ds == 1 */ | |
676 | rtw_secmicappend(&micdata, &pframe[24], 6); | |
677 | else | |
678 | rtw_secmicappend(&micdata, &pframe[10], 6); | |
679 | } else { /* ToDS == 0 */ | |
680 | rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */ | |
681 | if (pframe[1]&2) /* From Ds == 1 */ | |
682 | rtw_secmicappend(&micdata, &pframe[16], 6); | |
683 | else | |
684 | rtw_secmicappend(&micdata, &pframe[10], 6); | |
685 | } | |
686 | ||
687 | if (pattrib->qos_en) | |
688 | priority[0] = (u8)pxmitframe->attrib.priority; | |
689 | ||
690 | rtw_secmicappend(&micdata, &priority[0], 4); | |
691 | ||
692 | payload = pframe; | |
693 | ||
694 | for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { | |
695 | payload = (u8 *)RND4((size_t)(payload)); | |
696 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
697 | ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", | |
698 | curfragnum, *payload, *(payload+1), | |
699 | *(payload+2), *(payload+3), | |
700 | *(payload+4), *(payload+5), | |
701 | *(payload+6), *(payload+7))); | |
702 | ||
703 | payload = payload+pattrib->hdrlen+pattrib->iv_len; | |
704 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
705 | ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d", | |
706 | curfragnum, pattrib->hdrlen, pattrib->iv_len)); | |
707 | if ((curfragnum+1) == pattrib->nr_frags) { | |
708 | length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); | |
709 | rtw_secmicappend(&micdata, payload, length); | |
710 | payload = payload+length; | |
711 | } else { | |
712 | length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); | |
713 | rtw_secmicappend(&micdata, payload, length); | |
714 | payload = payload+length+pattrib->icv_len; | |
715 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len)); | |
716 | } | |
717 | } | |
718 | rtw_secgetmic(&micdata, &(mic[0])); | |
719 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); | |
720 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz)); | |
721 | 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\ | |
722 | mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n", | |
723 | mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); | |
724 | /* add mic code and add the mic code length in last_txcmdsz */ | |
725 | ||
726 | memcpy(payload, &(mic[0]), 8); | |
727 | pattrib->last_txcmdsz += 8; | |
728 | ||
729 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n")); | |
730 | payload = payload-pattrib->last_txcmdsz+8; | |
731 | for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) | |
732 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, | |
733 | (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", | |
734 | *(payload+curfragnum), *(payload+curfragnum+1), | |
735 | *(payload+curfragnum+2), *(payload+curfragnum+3), | |
736 | *(payload+curfragnum+4), *(payload+curfragnum+5), | |
737 | *(payload+curfragnum+6), *(payload+curfragnum+7))); | |
738 | } else { | |
739 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n")); | |
740 | } | |
741 | } | |
742 | ||
d6846af6 LF |
743 | |
744 | return _SUCCESS; | |
745 | } | |
746 | ||
747 | static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
748 | { | |
749 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
750 | ||
d6846af6 LF |
751 | |
752 | if (pattrib->bswenc) { | |
753 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n")); | |
754 | switch (pattrib->encrypt) { | |
755 | case _WEP40_: | |
756 | case _WEP104_: | |
757 | rtw_wep_encrypt(padapter, (u8 *)pxmitframe); | |
758 | break; | |
759 | case _TKIP_: | |
760 | rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); | |
761 | break; | |
762 | case _AES_: | |
763 | rtw_aes_encrypt(padapter, (u8 *)pxmitframe); | |
764 | break; | |
765 | default: | |
766 | break; | |
767 | } | |
768 | } else { | |
769 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n")); | |
770 | } | |
771 | ||
d6846af6 LF |
772 | |
773 | return _SUCCESS; | |
774 | } | |
775 | ||
776 | s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib) | |
777 | { | |
778 | u16 *qc; | |
779 | ||
780 | struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr; | |
781 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
782 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
783 | u8 qos_option = false; | |
784 | ||
785 | int res = _SUCCESS; | |
7e83fd6d | 786 | __le16 *fctrl = &pwlanhdr->frame_ctl; |
d6846af6 LF |
787 | |
788 | struct sta_info *psta; | |
789 | ||
790 | int bmcst = IS_MCAST(pattrib->ra); | |
791 | ||
d6846af6 LF |
792 | |
793 | if (pattrib->psta) { | |
794 | psta = pattrib->psta; | |
795 | } else { | |
796 | if (bmcst) { | |
797 | psta = rtw_get_bcmc_stainfo(padapter); | |
798 | } else { | |
799 | psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); | |
800 | } | |
801 | } | |
802 | ||
1ce39848 | 803 | memset(hdr, 0, WLANHDR_OFFSET); |
d6846af6 LF |
804 | |
805 | SetFrameSubType(fctrl, pattrib->subtype); | |
806 | ||
807 | if (pattrib->subtype & WIFI_DATA_TYPE) { | |
808 | if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { | |
809 | /* to_ds = 1, fr_ds = 0; */ | |
810 | /* Data transfer to AP */ | |
811 | SetToDs(fctrl); | |
812 | memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); | |
813 | memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); | |
814 | memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); | |
815 | ||
816 | if (pqospriv->qos_option) | |
817 | qos_option = true; | |
818 | } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { | |
819 | /* to_ds = 0, fr_ds = 1; */ | |
820 | SetFrDs(fctrl); | |
821 | memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); | |
822 | memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); | |
823 | memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); | |
824 | ||
825 | if (psta->qos_option) | |
826 | qos_option = true; | |
827 | } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || | |
828 | check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { | |
829 | memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); | |
830 | memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); | |
831 | memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); | |
832 | ||
833 | if (psta->qos_option) | |
834 | qos_option = true; | |
835 | } else { | |
836 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); | |
837 | res = _FAIL; | |
838 | goto exit; | |
839 | } | |
840 | ||
841 | if (pattrib->mdata) | |
842 | SetMData(fctrl); | |
843 | ||
844 | if (pattrib->encrypt) | |
845 | SetPrivacy(fctrl); | |
846 | ||
847 | if (qos_option) { | |
848 | qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); | |
849 | ||
850 | if (pattrib->priority) | |
851 | SetPriority(qc, pattrib->priority); | |
852 | ||
853 | SetEOSP(qc, pattrib->eosp); | |
854 | ||
855 | SetAckpolicy(qc, pattrib->ack_policy); | |
856 | } | |
857 | ||
858 | /* TODO: fill HT Control Field */ | |
859 | ||
860 | /* Update Seq Num will be handled by f/w */ | |
861 | if (psta) { | |
862 | psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; | |
863 | psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; | |
864 | ||
865 | pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; | |
866 | ||
867 | SetSeqNum(hdr, pattrib->seqnum); | |
868 | ||
869 | /* check if enable ampdu */ | |
870 | if (pattrib->ht_en && psta->htpriv.ampdu_enable) { | |
871 | if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) | |
872 | pattrib->ampdu_en = true; | |
873 | } | |
874 | ||
875 | /* re-check if enable ampdu by BA_starting_seqctrl */ | |
876 | if (pattrib->ampdu_en) { | |
877 | u16 tx_seq; | |
878 | ||
879 | tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; | |
880 | ||
881 | /* check BA_starting_seqctrl */ | |
882 | if (SN_LESS(pattrib->seqnum, tx_seq)) { | |
883 | pattrib->ampdu_en = false;/* AGG BK */ | |
884 | } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) { | |
885 | psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; | |
886 | ||
887 | pattrib->ampdu_en = true;/* AGG EN */ | |
888 | } else { | |
889 | psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; | |
890 | pattrib->ampdu_en = true;/* AGG EN */ | |
891 | } | |
892 | } | |
893 | } | |
894 | } | |
895 | exit: | |
896 | ||
d6846af6 LF |
897 | return res; |
898 | } | |
899 | ||
900 | s32 rtw_txframes_pending(struct adapter *padapter) | |
901 | { | |
902 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
903 | ||
904 | return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) || | |
905 | (_rtw_queue_empty(&pxmitpriv->bk_pending) == false) || | |
906 | (_rtw_queue_empty(&pxmitpriv->vi_pending) == false) || | |
907 | (_rtw_queue_empty(&pxmitpriv->vo_pending) == false)); | |
908 | } | |
909 | ||
910 | s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib) | |
911 | { | |
912 | struct sta_info *psta; | |
913 | struct tx_servq *ptxservq; | |
914 | int priority = pattrib->priority; | |
915 | ||
916 | psta = pattrib->psta; | |
917 | ||
918 | switch (priority) { | |
919 | case 1: | |
920 | case 2: | |
921 | ptxservq = &(psta->sta_xmitpriv.bk_q); | |
922 | break; | |
923 | case 4: | |
924 | case 5: | |
925 | ptxservq = &(psta->sta_xmitpriv.vi_q); | |
926 | break; | |
927 | case 6: | |
928 | case 7: | |
929 | ptxservq = &(psta->sta_xmitpriv.vo_q); | |
930 | break; | |
931 | case 0: | |
932 | case 3: | |
933 | default: | |
934 | ptxservq = &(psta->sta_xmitpriv.be_q); | |
935 | break; | |
936 | } | |
937 | ||
938 | return ptxservq->qcnt; | |
939 | } | |
940 | ||
941 | /* | |
942 | * Calculate wlan 802.11 packet MAX size from pkt_attrib | |
943 | * This function doesn't consider fragment case | |
944 | */ | |
945 | u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) | |
946 | { | |
947 | u32 len = 0; | |
948 | ||
949 | len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */ | |
950 | len += SNAP_SIZE + sizeof(u16); /* LLC */ | |
951 | len += pattrib->pktlen; | |
952 | if (pattrib->encrypt == _TKIP_) | |
953 | len += 8; /* MIC */ | |
954 | len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */ | |
955 | ||
956 | return len; | |
957 | } | |
958 | ||
959 | /* | |
960 | ||
961 | This sub-routine will perform all the following: | |
962 | ||
963 | 1. remove 802.3 header. | |
964 | 2. create wlan_header, based on the info in pxmitframe | |
965 | 3. append sta's iv/ext-iv | |
966 | 4. append LLC | |
967 | 5. move frag chunk from pframe to pxmitframe->mem | |
968 | 6. apply sw-encrypt, if necessary. | |
969 | ||
970 | */ | |
971 | s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe) | |
972 | { | |
973 | struct pkt_file pktfile; | |
974 | s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; | |
975 | size_t addr; | |
976 | u8 *pframe, *mem_start; | |
977 | u8 hw_hdr_offset; | |
978 | struct sta_info *psta; | |
979 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
980 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
981 | u8 *pbuf_start; | |
982 | s32 bmcst = IS_MCAST(pattrib->ra); | |
983 | s32 res = _SUCCESS; | |
984 | ||
d6846af6 LF |
985 | |
986 | psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); | |
987 | ||
988 | if (psta == NULL) | |
989 | return _FAIL; | |
990 | ||
991 | if (pxmitframe->buf_addr == NULL) { | |
992 | DBG_88E("==> %s buf_addr == NULL\n", __func__); | |
993 | return _FAIL; | |
994 | } | |
995 | ||
996 | pbuf_start = pxmitframe->buf_addr; | |
997 | ||
998 | hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); | |
999 | ||
1000 | mem_start = pbuf_start + hw_hdr_offset; | |
1001 | ||
1002 | if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { | |
1003 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); | |
1004 | DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); | |
1005 | res = _FAIL; | |
1006 | goto exit; | |
1007 | } | |
1008 | ||
1009 | _rtw_open_pktfile(pkt, &pktfile); | |
1010 | _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); | |
1011 | ||
1012 | frg_inx = 0; | |
1013 | frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */ | |
1014 | ||
1015 | while (1) { | |
1016 | llc_sz = 0; | |
1017 | ||
1018 | mpdu_len = frg_len; | |
1019 | ||
1020 | pframe = mem_start; | |
1021 | ||
1022 | SetMFrag(mem_start); | |
1023 | ||
1024 | pframe += pattrib->hdrlen; | |
1025 | mpdu_len -= pattrib->hdrlen; | |
1026 | ||
1027 | /* adding icv, if necessary... */ | |
1028 | if (pattrib->iv_len) { | |
1029 | if (psta != NULL) { | |
1030 | switch (pattrib->encrypt) { | |
1031 | case _WEP40_: | |
1032 | case _WEP104_: | |
1033 | WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1034 | break; | |
1035 | case _TKIP_: | |
1036 | if (bmcst) | |
1037 | TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1038 | else | |
1039 | TKIP_IV(pattrib->iv, psta->dot11txpn, 0); | |
1040 | break; | |
1041 | case _AES_: | |
1042 | if (bmcst) | |
1043 | AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1044 | else | |
1045 | AES_IV(pattrib->iv, psta->dot11txpn, 0); | |
1046 | break; | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | memcpy(pframe, pattrib->iv, pattrib->iv_len); | |
1051 | ||
1052 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, | |
1053 | ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n", | |
1054 | padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); | |
1055 | ||
1056 | pframe += pattrib->iv_len; | |
1057 | ||
1058 | mpdu_len -= pattrib->iv_len; | |
1059 | } | |
1060 | ||
1061 | if (frg_inx == 0) { | |
1062 | llc_sz = rtw_put_snap(pframe, pattrib->ether_type); | |
1063 | pframe += llc_sz; | |
1064 | mpdu_len -= llc_sz; | |
1065 | } | |
1066 | ||
1067 | if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { | |
1068 | mpdu_len -= pattrib->icv_len; | |
1069 | } | |
1070 | ||
1071 | if (bmcst) { | |
1072 | /* don't do fragment to broadcat/multicast packets */ | |
1073 | mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); | |
1074 | } else { | |
1075 | mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); | |
1076 | } | |
1077 | ||
1078 | pframe += mem_sz; | |
1079 | ||
1080 | if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { | |
1081 | memcpy(pframe, pattrib->icv, pattrib->icv_len); | |
1082 | pframe += pattrib->icv_len; | |
1083 | } | |
1084 | ||
1085 | frg_inx++; | |
1086 | ||
1087 | if (bmcst || rtw_endofpktfile(&pktfile)) { | |
1088 | pattrib->nr_frags = frg_inx; | |
1089 | ||
1090 | pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) + | |
1091 | ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; | |
1092 | ||
1093 | ClearMFrag(mem_start); | |
1094 | ||
1095 | break; | |
1096 | } else { | |
1097 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__)); | |
1098 | } | |
1099 | ||
1100 | addr = (size_t)(pframe); | |
1101 | ||
1102 | mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; | |
1103 | memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); | |
1104 | } | |
1105 | ||
1106 | if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { | |
1107 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n")); | |
1108 | DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"); | |
1109 | res = _FAIL; | |
1110 | goto exit; | |
1111 | } | |
1112 | ||
1113 | xmitframe_swencrypt(padapter, pxmitframe); | |
1114 | ||
1115 | if (!bmcst) | |
1116 | update_attrib_vcs_info(padapter, pxmitframe); | |
1117 | else | |
1118 | pattrib->vcs_mode = NONE_VCS; | |
1119 | ||
1120 | exit: | |
1121 | ||
d6846af6 LF |
1122 | |
1123 | return res; | |
1124 | } | |
1125 | ||
1126 | /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header | |
1127 | * IEEE LLC/SNAP header contains 8 octets | |
1128 | * First 3 octets comprise the LLC portion | |
1129 | * SNAP portion, 5 octets, is divided into two fields: | |
1130 | * Organizationally Unique Identifier(OUI), 3 octets, | |
1131 | * type, defined by that organization, 2 octets. | |
1132 | */ | |
1133 | s32 rtw_put_snap(u8 *data, u16 h_proto) | |
1134 | { | |
1135 | struct ieee80211_snap_hdr *snap; | |
1136 | u8 *oui; | |
1137 | ||
d6846af6 LF |
1138 | |
1139 | snap = (struct ieee80211_snap_hdr *)data; | |
1140 | snap->dsap = 0xaa; | |
1141 | snap->ssap = 0xaa; | |
1142 | snap->ctrl = 0x03; | |
1143 | ||
1144 | if (h_proto == 0x8137 || h_proto == 0x80f3) | |
1145 | oui = P802_1H_OUI; | |
1146 | else | |
1147 | oui = RFC1042_OUI; | |
1148 | ||
1149 | snap->oui[0] = oui[0]; | |
1150 | snap->oui[1] = oui[1]; | |
1151 | snap->oui[2] = oui[2]; | |
1152 | ||
1153 | *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); | |
1154 | ||
d6846af6 LF |
1155 | |
1156 | return SNAP_SIZE + sizeof(u16); | |
1157 | } | |
1158 | ||
1159 | void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) | |
1160 | { | |
1161 | uint protection; | |
1162 | u8 *perp; | |
1163 | int erp_len; | |
1164 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1165 | struct registry_priv *pregistrypriv = &padapter->registrypriv; | |
1166 | ||
d6846af6 LF |
1167 | |
1168 | switch (pxmitpriv->vcs_setting) { | |
1169 | case DISABLE_VCS: | |
1170 | pxmitpriv->vcs = NONE_VCS; | |
1171 | break; | |
1172 | case ENABLE_VCS: | |
1173 | break; | |
1174 | case AUTO_VCS: | |
1175 | default: | |
1176 | perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); | |
1177 | if (perp == NULL) { | |
1178 | pxmitpriv->vcs = NONE_VCS; | |
1179 | } else { | |
1180 | protection = (*(perp + 2)) & BIT(1); | |
1181 | if (protection) { | |
1182 | if (pregistrypriv->vcs_type == RTS_CTS) | |
1183 | pxmitpriv->vcs = RTS_CTS; | |
1184 | else | |
1185 | pxmitpriv->vcs = CTS_TO_SELF; | |
1186 | } else { | |
1187 | pxmitpriv->vcs = NONE_VCS; | |
1188 | } | |
1189 | } | |
1190 | break; | |
1191 | } | |
1192 | ||
d6846af6 LF |
1193 | } |
1194 | ||
1195 | void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz) | |
1196 | { | |
1197 | struct sta_info *psta = NULL; | |
1198 | struct stainfo_stats *pstats = NULL; | |
1199 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1200 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1201 | ||
1202 | if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { | |
1203 | pxmitpriv->tx_bytes += sz; | |
1204 | pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num; | |
1205 | ||
1206 | psta = pxmitframe->attrib.psta; | |
1207 | if (psta) { | |
1208 | pstats = &psta->sta_stats; | |
1209 | pstats->tx_pkts += pxmitframe->agg_num; | |
1210 | pstats->tx_bytes += sz; | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) | |
1216 | { | |
1217 | unsigned long irql; | |
1218 | struct xmit_buf *pxmitbuf = NULL; | |
1219 | struct list_head *plist, *phead; | |
1220 | struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; | |
1221 | ||
d6846af6 | 1222 | |
f937886b | 1223 | spin_lock_irqsave(&pfree_queue->lock, irql); |
d6846af6 LF |
1224 | |
1225 | if (_rtw_queue_empty(pfree_queue) == true) { | |
1226 | pxmitbuf = NULL; | |
1227 | } else { | |
1228 | phead = get_list_head(pfree_queue); | |
1229 | ||
c44e5e39 | 1230 | plist = phead->next; |
d6846af6 | 1231 | |
bea88100 | 1232 | pxmitbuf = container_of(plist, struct xmit_buf, list); |
d6846af6 LF |
1233 | |
1234 | rtw_list_delete(&(pxmitbuf->list)); | |
1235 | } | |
1236 | ||
1237 | if (pxmitbuf != NULL) { | |
1238 | pxmitpriv->free_xmit_extbuf_cnt--; | |
1239 | ||
1240 | pxmitbuf->priv_data = NULL; | |
1241 | /* pxmitbuf->ext_tag = true; */ | |
1242 | ||
1243 | if (pxmitbuf->sctx) { | |
1244 | DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); | |
1245 | rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); | |
1246 | } | |
1247 | } | |
1248 | ||
597794f5 | 1249 | spin_unlock_irqrestore(&pfree_queue->lock, irql); |
d6846af6 | 1250 | |
d6846af6 LF |
1251 | |
1252 | return pxmitbuf; | |
1253 | } | |
1254 | ||
1255 | s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) | |
1256 | { | |
1257 | unsigned long irql; | |
1258 | struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; | |
1259 | ||
d6846af6 LF |
1260 | |
1261 | if (pxmitbuf == NULL) | |
1262 | return _FAIL; | |
1263 | ||
f937886b | 1264 | spin_lock_irqsave(&pfree_queue->lock, irql); |
d6846af6 LF |
1265 | |
1266 | rtw_list_delete(&pxmitbuf->list); | |
1267 | ||
ae6787ad | 1268 | list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); |
d6846af6 LF |
1269 | pxmitpriv->free_xmit_extbuf_cnt++; |
1270 | ||
597794f5 | 1271 | spin_unlock_irqrestore(&pfree_queue->lock, irql); |
d6846af6 | 1272 | |
d6846af6 LF |
1273 | |
1274 | return _SUCCESS; | |
1275 | } | |
1276 | ||
1277 | struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) | |
1278 | { | |
1279 | unsigned long irql; | |
1280 | struct xmit_buf *pxmitbuf = NULL; | |
1281 | struct list_head *plist, *phead; | |
1282 | struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; | |
1283 | ||
d6846af6 LF |
1284 | |
1285 | /* DBG_88E("+rtw_alloc_xmitbuf\n"); */ | |
1286 | ||
f937886b | 1287 | spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql); |
d6846af6 LF |
1288 | |
1289 | if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) { | |
1290 | pxmitbuf = NULL; | |
1291 | } else { | |
1292 | phead = get_list_head(pfree_xmitbuf_queue); | |
1293 | ||
c44e5e39 | 1294 | plist = phead->next; |
d6846af6 | 1295 | |
bea88100 | 1296 | pxmitbuf = container_of(plist, struct xmit_buf, list); |
d6846af6 LF |
1297 | |
1298 | rtw_list_delete(&(pxmitbuf->list)); | |
1299 | } | |
1300 | ||
1301 | if (pxmitbuf != NULL) { | |
1302 | pxmitpriv->free_xmitbuf_cnt--; | |
1303 | pxmitbuf->priv_data = NULL; | |
1304 | if (pxmitbuf->sctx) { | |
1305 | DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); | |
1306 | rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); | |
1307 | } | |
1308 | } | |
597794f5 | 1309 | spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql); |
d6846af6 | 1310 | |
d6846af6 LF |
1311 | |
1312 | return pxmitbuf; | |
1313 | } | |
1314 | ||
1315 | s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) | |
1316 | { | |
1317 | unsigned long irql; | |
1318 | struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; | |
1319 | ||
d6846af6 LF |
1320 | if (pxmitbuf == NULL) |
1321 | return _FAIL; | |
1322 | ||
1323 | if (pxmitbuf->sctx) { | |
1324 | DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); | |
1325 | rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); | |
1326 | } | |
1327 | ||
1328 | if (pxmitbuf->ext_tag) { | |
1329 | rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); | |
1330 | } else { | |
f937886b | 1331 | spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irql); |
d6846af6 LF |
1332 | |
1333 | rtw_list_delete(&pxmitbuf->list); | |
1334 | ||
ae6787ad | 1335 | list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); |
d6846af6 LF |
1336 | |
1337 | pxmitpriv->free_xmitbuf_cnt++; | |
597794f5 | 1338 | spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql); |
d6846af6 LF |
1339 | } |
1340 | ||
d6846af6 LF |
1341 | |
1342 | return _SUCCESS; | |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | Calling context: | |
1347 | 1. OS_TXENTRY | |
1348 | 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) | |
1349 | ||
1350 | If we turn on USE_RXTHREAD, then, no need for critical section. | |
1351 | Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... | |
1352 | ||
1353 | Must be very very cautious... | |
1354 | ||
1355 | */ | |
1356 | ||
1357 | struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */ | |
1358 | { | |
1359 | /* | |
1360 | Please remember to use all the osdep_service api, | |
1361 | and lock/unlock or _enter/_exit critical to protect | |
1362 | pfree_xmit_queue | |
1363 | */ | |
1364 | ||
d6846af6 LF |
1365 | struct xmit_frame *pxframe = NULL; |
1366 | struct list_head *plist, *phead; | |
1367 | struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; | |
1368 | ||
d6846af6 | 1369 | |
7057dcb3 | 1370 | spin_lock_bh(&pfree_xmit_queue->lock); |
d6846af6 LF |
1371 | |
1372 | if (_rtw_queue_empty(pfree_xmit_queue) == true) { | |
1373 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1374 | pxframe = NULL; | |
1375 | } else { | |
1376 | phead = get_list_head(pfree_xmit_queue); | |
1377 | ||
c44e5e39 | 1378 | plist = phead->next; |
d6846af6 | 1379 | |
bea88100 | 1380 | pxframe = container_of(plist, struct xmit_frame, list); |
d6846af6 LF |
1381 | |
1382 | rtw_list_delete(&(pxframe->list)); | |
1383 | } | |
1384 | ||
1385 | if (pxframe != NULL) { /* default value setting */ | |
1386 | pxmitpriv->free_xmitframe_cnt--; | |
1387 | ||
1388 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1389 | ||
1390 | pxframe->buf_addr = NULL; | |
1391 | pxframe->pxmitbuf = NULL; | |
1392 | ||
1ce39848 | 1393 | memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); |
d6846af6 LF |
1394 | /* pxframe->attrib.psta = NULL; */ |
1395 | ||
1396 | pxframe->frame_tag = DATA_FRAMETAG; | |
1397 | ||
1398 | pxframe->pkt = NULL; | |
1399 | pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */ | |
1400 | ||
1401 | pxframe->agg_num = 1; | |
1402 | pxframe->ack_report = 0; | |
1403 | } | |
1404 | ||
e02bcf61 | 1405 | spin_unlock_bh(&pfree_xmit_queue->lock); |
d6846af6 | 1406 | |
d6846af6 LF |
1407 | |
1408 | return pxframe; | |
1409 | } | |
1410 | ||
1411 | s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) | |
1412 | { | |
d6846af6 LF |
1413 | struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; |
1414 | struct adapter *padapter = pxmitpriv->adapter; | |
1415 | struct sk_buff *pndis_pkt = NULL; | |
1416 | ||
d6846af6 LF |
1417 | |
1418 | if (pxmitframe == NULL) { | |
1419 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); | |
1420 | goto exit; | |
1421 | } | |
1422 | ||
7057dcb3 | 1423 | spin_lock_bh(&pfree_xmit_queue->lock); |
d6846af6 LF |
1424 | |
1425 | rtw_list_delete(&pxmitframe->list); | |
1426 | ||
1427 | if (pxmitframe->pkt) { | |
1428 | pndis_pkt = pxmitframe->pkt; | |
1429 | pxmitframe->pkt = NULL; | |
1430 | } | |
1431 | ||
ae6787ad | 1432 | list_add_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue)); |
d6846af6 LF |
1433 | |
1434 | pxmitpriv->free_xmitframe_cnt++; | |
1435 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1436 | ||
e02bcf61 | 1437 | spin_unlock_bh(&pfree_xmit_queue->lock); |
d6846af6 LF |
1438 | |
1439 | if (pndis_pkt) | |
1440 | rtw_os_pkt_complete(padapter, pndis_pkt); | |
1441 | ||
1442 | exit: | |
1443 | ||
d6846af6 LF |
1444 | |
1445 | return _SUCCESS; | |
1446 | } | |
1447 | ||
1448 | void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue) | |
1449 | { | |
d6846af6 LF |
1450 | struct list_head *plist, *phead; |
1451 | struct xmit_frame *pxmitframe; | |
1452 | ||
d6846af6 | 1453 | |
7057dcb3 | 1454 | spin_lock_bh(&(pframequeue->lock)); |
d6846af6 LF |
1455 | |
1456 | phead = get_list_head(pframequeue); | |
c44e5e39 | 1457 | plist = phead->next; |
d6846af6 | 1458 | |
84660700 | 1459 | while (phead != plist) { |
bea88100 | 1460 | pxmitframe = container_of(plist, struct xmit_frame, list); |
d6846af6 | 1461 | |
c44e5e39 | 1462 | plist = plist->next; |
d6846af6 LF |
1463 | |
1464 | rtw_free_xmitframe(pxmitpriv, pxmitframe); | |
1465 | } | |
e02bcf61 | 1466 | spin_unlock_bh(&(pframequeue->lock)); |
d6846af6 | 1467 | |
d6846af6 LF |
1468 | } |
1469 | ||
1470 | s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1471 | { | |
1472 | if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { | |
1473 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
1474 | ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); | |
1475 | /* pxmitframe->pkt = NULL; */ | |
1476 | return _FAIL; | |
1477 | } | |
1478 | ||
1479 | return _SUCCESS; | |
1480 | } | |
1481 | ||
1482 | static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue) | |
1483 | { | |
1484 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
1485 | struct xmit_frame *pxmitframe = NULL; | |
1486 | ||
1487 | xmitframe_phead = get_list_head(pframe_queue); | |
c44e5e39 | 1488 | xmitframe_plist = xmitframe_phead->next; |
d6846af6 | 1489 | |
84660700 | 1490 | if (xmitframe_phead != xmitframe_plist) { |
bea88100 | 1491 | pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); |
d6846af6 | 1492 | |
c44e5e39 | 1493 | xmitframe_plist = xmitframe_plist->next; |
d6846af6 LF |
1494 | |
1495 | rtw_list_delete(&pxmitframe->list); | |
1496 | ||
1497 | ptxservq->qcnt--; | |
d6846af6 | 1498 | } |
d6846af6 LF |
1499 | return pxmitframe; |
1500 | } | |
1501 | ||
1502 | struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry) | |
1503 | { | |
d6846af6 LF |
1504 | struct list_head *sta_plist, *sta_phead; |
1505 | struct hw_xmit *phwxmit; | |
1506 | struct tx_servq *ptxservq = NULL; | |
1507 | struct __queue *pframe_queue = NULL; | |
1508 | struct xmit_frame *pxmitframe = NULL; | |
1509 | struct adapter *padapter = pxmitpriv->adapter; | |
1510 | struct registry_priv *pregpriv = &padapter->registrypriv; | |
1511 | int i, inx[4]; | |
1512 | ||
d6846af6 LF |
1513 | |
1514 | inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; | |
1515 | ||
1516 | if (pregpriv->wifi_spec == 1) { | |
1517 | int j; | |
1518 | ||
1519 | for (j = 0; j < 4; j++) | |
1520 | inx[j] = pxmitpriv->wmm_para_seq[j]; | |
1521 | } | |
1522 | ||
7057dcb3 | 1523 | spin_lock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1524 | |
1525 | for (i = 0; i < entry; i++) { | |
1526 | phwxmit = phwxmit_i + inx[i]; | |
1527 | ||
1528 | sta_phead = get_list_head(phwxmit->sta_queue); | |
c44e5e39 | 1529 | sta_plist = sta_phead->next; |
d6846af6 | 1530 | |
84660700 | 1531 | while (sta_phead != sta_plist) { |
bea88100 | 1532 | ptxservq = container_of(sta_plist, struct tx_servq, tx_pending); |
d6846af6 LF |
1533 | |
1534 | pframe_queue = &ptxservq->sta_pending; | |
1535 | ||
1536 | pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue); | |
1537 | ||
1538 | if (pxmitframe) { | |
1539 | phwxmit->accnt--; | |
1540 | ||
1541 | /* Remove sta node when there are no pending packets. */ | |
1542 | if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */ | |
1543 | rtw_list_delete(&ptxservq->tx_pending); | |
1544 | goto exit; | |
1545 | } | |
1546 | ||
c44e5e39 | 1547 | sta_plist = sta_plist->next; |
d6846af6 LF |
1548 | } |
1549 | } | |
1550 | exit: | |
e02bcf61 | 1551 | spin_unlock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1552 | return pxmitframe; |
1553 | } | |
1554 | ||
1555 | struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac) | |
1556 | { | |
1557 | struct tx_servq *ptxservq; | |
1558 | ||
d6846af6 LF |
1559 | switch (up) { |
1560 | case 1: | |
1561 | case 2: | |
1562 | ptxservq = &(psta->sta_xmitpriv.bk_q); | |
1563 | *(ac) = 3; | |
1564 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); | |
1565 | break; | |
1566 | case 4: | |
1567 | case 5: | |
1568 | ptxservq = &(psta->sta_xmitpriv.vi_q); | |
1569 | *(ac) = 1; | |
1570 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); | |
1571 | break; | |
1572 | case 6: | |
1573 | case 7: | |
1574 | ptxservq = &(psta->sta_xmitpriv.vo_q); | |
1575 | *(ac) = 0; | |
1576 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); | |
1577 | break; | |
1578 | case 0: | |
1579 | case 3: | |
1580 | default: | |
1581 | ptxservq = &(psta->sta_xmitpriv.be_q); | |
1582 | *(ac) = 2; | |
1583 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); | |
1584 | break; | |
1585 | } | |
1586 | ||
d6846af6 LF |
1587 | |
1588 | return ptxservq; | |
1589 | } | |
1590 | ||
1591 | /* | |
1592 | * Will enqueue pxmitframe to the proper queue, | |
1593 | * and indicate it to xx_pending list..... | |
1594 | */ | |
1595 | s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1596 | { | |
d6846af6 LF |
1597 | u8 ac_index; |
1598 | struct sta_info *psta; | |
1599 | struct tx_servq *ptxservq; | |
1600 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1601 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1602 | struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; | |
1603 | int res = _SUCCESS; | |
1604 | ||
d6846af6 LF |
1605 | |
1606 | if (pattrib->psta) { | |
1607 | psta = pattrib->psta; | |
1608 | } else { | |
1609 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
1610 | } | |
1611 | ||
1612 | if (psta == NULL) { | |
1613 | res = _FAIL; | |
1614 | DBG_88E("rtw_xmit_classifier: psta == NULL\n"); | |
1615 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); | |
1616 | goto exit; | |
1617 | } | |
1618 | ||
1619 | ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); | |
1620 | ||
9c4b0e70 | 1621 | if (list_empty(&ptxservq->tx_pending)) |
ae6787ad | 1622 | list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); |
d6846af6 | 1623 | |
ae6787ad | 1624 | list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); |
d6846af6 LF |
1625 | ptxservq->qcnt++; |
1626 | phwxmits[ac_index].accnt++; | |
1627 | exit: | |
1628 | ||
d6846af6 LF |
1629 | |
1630 | return res; | |
1631 | } | |
1632 | ||
1633 | void rtw_alloc_hwxmits(struct adapter *padapter) | |
1634 | { | |
1635 | struct hw_xmit *hwxmits; | |
1636 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1637 | ||
1638 | pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; | |
1639 | ||
1640 | pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); | |
1641 | ||
1642 | hwxmits = pxmitpriv->hwxmits; | |
1643 | ||
1644 | if (pxmitpriv->hwxmit_entry == 5) { | |
1645 | hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; | |
1646 | hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; | |
1647 | hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; | |
1648 | hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; | |
1649 | hwxmits[4] .sta_queue = &pxmitpriv->be_pending; | |
1650 | } else if (pxmitpriv->hwxmit_entry == 4) { | |
1651 | hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; | |
1652 | hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; | |
1653 | hwxmits[2] .sta_queue = &pxmitpriv->be_pending; | |
1654 | hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; | |
1655 | } else { | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | void rtw_free_hwxmits(struct adapter *padapter) | |
1660 | { | |
1661 | struct hw_xmit *hwxmits; | |
1662 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1663 | ||
1664 | hwxmits = pxmitpriv->hwxmits; | |
1665 | kfree(hwxmits); | |
1666 | } | |
1667 | ||
1668 | void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry) | |
1669 | { | |
1670 | int i; | |
d6846af6 LF |
1671 | for (i = 0; i < entry; i++, phwxmit++) |
1672 | phwxmit->accnt = 0; | |
d6846af6 LF |
1673 | } |
1674 | ||
d6846af6 LF |
1675 | u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) |
1676 | { | |
1677 | u32 addr; | |
1678 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1679 | ||
1680 | switch (pattrib->qsel) { | |
1681 | case 0: | |
1682 | case 3: | |
1683 | addr = BE_QUEUE_INX; | |
1684 | break; | |
1685 | case 1: | |
1686 | case 2: | |
1687 | addr = BK_QUEUE_INX; | |
1688 | break; | |
1689 | case 4: | |
1690 | case 5: | |
1691 | addr = VI_QUEUE_INX; | |
1692 | break; | |
1693 | case 6: | |
1694 | case 7: | |
1695 | addr = VO_QUEUE_INX; | |
1696 | break; | |
1697 | case 0x10: | |
1698 | addr = BCN_QUEUE_INX; | |
1699 | break; | |
1700 | case 0x11:/* BC/MC in PS (HIQ) */ | |
1701 | addr = HIGH_QUEUE_INX; | |
1702 | break; | |
1703 | case 0x12: | |
1704 | default: | |
1705 | addr = MGT_QUEUE_INX; | |
1706 | break; | |
1707 | } | |
1708 | ||
1709 | return addr; | |
1710 | } | |
1711 | ||
1712 | static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib) | |
1713 | { | |
1714 | u8 qsel; | |
1715 | ||
1716 | qsel = pattrib->priority; | |
1717 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel)); | |
1718 | ||
1719 | pattrib->qsel = qsel; | |
1720 | } | |
1721 | ||
1722 | /* | |
1723 | * The main transmit(tx) entry | |
1724 | * | |
1725 | * Return | |
1726 | * 1 enqueue | |
1727 | * 0 success, hardware will handle this xmit frame(packet) | |
1728 | * <0 fail | |
1729 | */ | |
1730 | s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt) | |
1731 | { | |
d6846af6 LF |
1732 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; |
1733 | struct xmit_frame *pxmitframe = NULL; | |
d6846af6 LF |
1734 | s32 res; |
1735 | ||
1736 | pxmitframe = rtw_alloc_xmitframe(pxmitpriv); | |
1737 | if (pxmitframe == NULL) { | |
1738 | RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); | |
1739 | DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__); | |
1740 | return -1; | |
1741 | } | |
1742 | ||
d6846af6 LF |
1743 | res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); |
1744 | ||
1745 | if (res == _FAIL) { | |
1746 | RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); | |
1747 | rtw_free_xmitframe(pxmitpriv, pxmitframe); | |
1748 | return -1; | |
1749 | } | |
1750 | pxmitframe->pkt = *ppkt; | |
1751 | ||
1752 | rtw_led_control(padapter, LED_CTL_TX); | |
1753 | ||
1754 | do_queue_select(padapter, &pxmitframe->attrib); | |
1755 | ||
1756 | #ifdef CONFIG_88EU_AP_MODE | |
7057dcb3 | 1757 | spin_lock_bh(&pxmitpriv->lock); |
d6846af6 | 1758 | if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) { |
e02bcf61 | 1759 | spin_unlock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1760 | return 1; |
1761 | } | |
e02bcf61 | 1762 | spin_unlock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1763 | #endif |
1764 | ||
1765 | if (rtw_hal_xmit(padapter, pxmitframe) == false) | |
1766 | return 1; | |
1767 | ||
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | #if defined(CONFIG_88EU_AP_MODE) | |
1772 | ||
1773 | int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1774 | { | |
d6846af6 LF |
1775 | int ret = false; |
1776 | struct sta_info *psta = NULL; | |
1777 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1778 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1779 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1780 | int bmcst = IS_MCAST(pattrib->ra); | |
1781 | ||
1782 | if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) | |
1783 | return ret; | |
1784 | ||
1785 | if (pattrib->psta) | |
1786 | psta = pattrib->psta; | |
1787 | else | |
1788 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
1789 | ||
1790 | if (psta == NULL) | |
1791 | return ret; | |
1792 | ||
1793 | if (pattrib->triggered == 1) { | |
1794 | if (bmcst) | |
1795 | pattrib->qsel = 0x11;/* HIQ */ | |
1796 | return ret; | |
1797 | } | |
1798 | ||
1799 | if (bmcst) { | |
7057dcb3 | 1800 | spin_lock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
1801 | |
1802 | if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */ | |
1803 | rtw_list_delete(&pxmitframe->list); | |
1804 | ||
ae6787ad | 1805 | list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); |
d6846af6 LF |
1806 | |
1807 | psta->sleepq_len++; | |
1808 | ||
1809 | pstapriv->tim_bitmap |= BIT(0);/* */ | |
1810 | pstapriv->sta_dz_bitmap |= BIT(0); | |
1811 | ||
40a46d8b | 1812 | update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after update bcn */ |
d6846af6 LF |
1813 | |
1814 | ret = true; | |
1815 | } | |
1816 | ||
e02bcf61 | 1817 | spin_unlock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
1818 | |
1819 | return ret; | |
1820 | } | |
1821 | ||
7057dcb3 | 1822 | spin_lock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
1823 | |
1824 | if (psta->state&WIFI_SLEEP_STATE) { | |
1825 | u8 wmmps_ac = 0; | |
1826 | ||
1827 | if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) { | |
1828 | rtw_list_delete(&pxmitframe->list); | |
1829 | ||
ae6787ad | 1830 | list_add_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); |
d6846af6 LF |
1831 | |
1832 | psta->sleepq_len++; | |
1833 | ||
1834 | switch (pattrib->priority) { | |
1835 | case 1: | |
1836 | case 2: | |
1837 | wmmps_ac = psta->uapsd_bk&BIT(0); | |
1838 | break; | |
1839 | case 4: | |
1840 | case 5: | |
1841 | wmmps_ac = psta->uapsd_vi&BIT(0); | |
1842 | break; | |
1843 | case 6: | |
1844 | case 7: | |
1845 | wmmps_ac = psta->uapsd_vo&BIT(0); | |
1846 | break; | |
1847 | case 0: | |
1848 | case 3: | |
1849 | default: | |
1850 | wmmps_ac = psta->uapsd_be&BIT(0); | |
1851 | break; | |
1852 | } | |
1853 | ||
1854 | if (wmmps_ac) | |
1855 | psta->sleepq_ac_len++; | |
1856 | ||
1857 | if (((psta->has_legacy_ac) && (!wmmps_ac)) || | |
1858 | ((!psta->has_legacy_ac) && (wmmps_ac))) { | |
1859 | pstapriv->tim_bitmap |= BIT(psta->aid); | |
1860 | ||
1861 | if (psta->sleepq_len == 1) { | |
40a46d8b | 1862 | /* update BCN for TIM IE */ |
d6846af6 LF |
1863 | update_beacon(padapter, _TIM_IE_, NULL, false); |
1864 | } | |
1865 | } | |
1866 | ret = true; | |
1867 | } | |
1868 | } | |
1869 | ||
e02bcf61 | 1870 | spin_unlock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
1871 | |
1872 | return ret; | |
1873 | } | |
1874 | ||
1875 | static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue) | |
1876 | { | |
1877 | struct list_head *plist, *phead; | |
1878 | u8 ac_index; | |
1879 | struct tx_servq *ptxservq; | |
1880 | struct pkt_attrib *pattrib; | |
1881 | struct xmit_frame *pxmitframe; | |
1882 | struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; | |
1883 | ||
1884 | phead = get_list_head(pframequeue); | |
c44e5e39 | 1885 | plist = phead->next; |
d6846af6 | 1886 | |
84660700 | 1887 | while (phead != plist) { |
bea88100 | 1888 | pxmitframe = container_of(plist, struct xmit_frame, list); |
d6846af6 | 1889 | |
c44e5e39 | 1890 | plist = plist->next; |
d6846af6 LF |
1891 | |
1892 | xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); | |
1893 | ||
1894 | pattrib = &pxmitframe->attrib; | |
1895 | ||
1896 | ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); | |
1897 | ||
1898 | ptxservq->qcnt--; | |
1899 | phwxmits[ac_index].accnt--; | |
1900 | } | |
1901 | } | |
1902 | ||
1903 | void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) | |
1904 | { | |
d6846af6 LF |
1905 | struct sta_info *psta_bmc; |
1906 | struct sta_xmit_priv *pstaxmitpriv; | |
1907 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1908 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1909 | ||
1910 | pstaxmitpriv = &psta->sta_xmitpriv; | |
1911 | ||
1912 | /* for BC/MC Frames */ | |
1913 | psta_bmc = rtw_get_bcmc_stainfo(padapter); | |
1914 | ||
7057dcb3 | 1915 | spin_lock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1916 | |
1917 | psta->state |= WIFI_SLEEP_STATE; | |
1918 | ||
1919 | pstapriv->sta_dz_bitmap |= BIT(psta->aid); | |
1920 | ||
1921 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); | |
1922 | rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending)); | |
1923 | ||
1924 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); | |
1925 | rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending)); | |
1926 | ||
1927 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); | |
1928 | rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); | |
1929 | ||
1930 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); | |
1931 | rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending)); | |
1932 | ||
1933 | /* for BC/MC Frames */ | |
1934 | pstaxmitpriv = &psta_bmc->sta_xmitpriv; | |
1935 | dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); | |
1936 | rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); | |
1937 | ||
e02bcf61 | 1938 | spin_unlock_bh(&pxmitpriv->lock); |
d6846af6 LF |
1939 | } |
1940 | ||
1941 | void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) | |
1942 | { | |
d6846af6 LF |
1943 | u8 update_mask = 0, wmmps_ac = 0; |
1944 | struct sta_info *psta_bmc; | |
1945 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
1946 | struct xmit_frame *pxmitframe = NULL; | |
1947 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1948 | ||
7057dcb3 | 1949 | spin_lock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
1950 | |
1951 | xmitframe_phead = get_list_head(&psta->sleep_q); | |
c44e5e39 | 1952 | xmitframe_plist = xmitframe_phead->next; |
d6846af6 | 1953 | |
84660700 | 1954 | while (xmitframe_phead != xmitframe_plist) { |
bea88100 | 1955 | pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); |
d6846af6 | 1956 | |
c44e5e39 | 1957 | xmitframe_plist = xmitframe_plist->next; |
d6846af6 LF |
1958 | |
1959 | rtw_list_delete(&pxmitframe->list); | |
1960 | ||
1961 | switch (pxmitframe->attrib.priority) { | |
1962 | case 1: | |
1963 | case 2: | |
1964 | wmmps_ac = psta->uapsd_bk&BIT(1); | |
1965 | break; | |
1966 | case 4: | |
1967 | case 5: | |
1968 | wmmps_ac = psta->uapsd_vi&BIT(1); | |
1969 | break; | |
1970 | case 6: | |
1971 | case 7: | |
1972 | wmmps_ac = psta->uapsd_vo&BIT(1); | |
1973 | break; | |
1974 | case 0: | |
1975 | case 3: | |
1976 | default: | |
1977 | wmmps_ac = psta->uapsd_be&BIT(1); | |
1978 | break; | |
1979 | } | |
1980 | ||
1981 | psta->sleepq_len--; | |
1982 | if (psta->sleepq_len > 0) | |
1983 | pxmitframe->attrib.mdata = 1; | |
1984 | else | |
1985 | pxmitframe->attrib.mdata = 0; | |
1986 | ||
1987 | if (wmmps_ac) { | |
1988 | psta->sleepq_ac_len--; | |
1989 | if (psta->sleepq_ac_len > 0) { | |
1990 | pxmitframe->attrib.mdata = 1; | |
1991 | pxmitframe->attrib.eosp = 0; | |
1992 | } else { | |
1993 | pxmitframe->attrib.mdata = 0; | |
1994 | pxmitframe->attrib.eosp = 1; | |
1995 | } | |
1996 | } | |
1997 | ||
1998 | pxmitframe->attrib.triggered = 1; | |
1999 | ||
e02bcf61 | 2000 | spin_unlock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
2001 | if (rtw_hal_xmit(padapter, pxmitframe)) |
2002 | rtw_os_xmit_complete(padapter, pxmitframe); | |
7057dcb3 | 2003 | spin_lock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
2004 | } |
2005 | ||
2006 | if (psta->sleepq_len == 0) { | |
2007 | pstapriv->tim_bitmap &= ~BIT(psta->aid); | |
2008 | ||
2009 | update_mask = BIT(0); | |
2010 | ||
2011 | if (psta->state&WIFI_SLEEP_STATE) | |
2012 | psta->state ^= WIFI_SLEEP_STATE; | |
2013 | ||
2014 | if (psta->state & WIFI_STA_ALIVE_CHK_STATE) { | |
2015 | psta->expire_to = pstapriv->expire_to; | |
2016 | psta->state ^= WIFI_STA_ALIVE_CHK_STATE; | |
2017 | } | |
2018 | ||
2019 | pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); | |
2020 | } | |
2021 | ||
e02bcf61 | 2022 | spin_unlock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
2023 | |
2024 | /* for BC/MC Frames */ | |
2025 | psta_bmc = rtw_get_bcmc_stainfo(padapter); | |
2026 | if (!psta_bmc) | |
2027 | return; | |
2028 | ||
2029 | if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */ | |
7057dcb3 | 2030 | spin_lock_bh(&psta_bmc->sleep_q.lock); |
d6846af6 LF |
2031 | |
2032 | xmitframe_phead = get_list_head(&psta_bmc->sleep_q); | |
c44e5e39 | 2033 | xmitframe_plist = xmitframe_phead->next; |
d6846af6 | 2034 | |
84660700 | 2035 | while (xmitframe_phead != xmitframe_plist) { |
bea88100 | 2036 | pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); |
d6846af6 | 2037 | |
c44e5e39 | 2038 | xmitframe_plist = xmitframe_plist->next; |
d6846af6 LF |
2039 | |
2040 | rtw_list_delete(&pxmitframe->list); | |
2041 | ||
2042 | psta_bmc->sleepq_len--; | |
2043 | if (psta_bmc->sleepq_len > 0) | |
2044 | pxmitframe->attrib.mdata = 1; | |
2045 | else | |
2046 | pxmitframe->attrib.mdata = 0; | |
2047 | ||
2048 | pxmitframe->attrib.triggered = 1; | |
2049 | ||
e02bcf61 | 2050 | spin_unlock_bh(&psta_bmc->sleep_q.lock); |
d6846af6 LF |
2051 | if (rtw_hal_xmit(padapter, pxmitframe)) |
2052 | rtw_os_xmit_complete(padapter, pxmitframe); | |
7057dcb3 | 2053 | spin_lock_bh(&psta_bmc->sleep_q.lock); |
d6846af6 LF |
2054 | } |
2055 | ||
2056 | if (psta_bmc->sleepq_len == 0) { | |
2057 | pstapriv->tim_bitmap &= ~BIT(0); | |
2058 | pstapriv->sta_dz_bitmap &= ~BIT(0); | |
2059 | ||
2060 | update_mask |= BIT(1); | |
2061 | } | |
2062 | ||
e02bcf61 | 2063 | spin_unlock_bh(&psta_bmc->sleep_q.lock); |
d6846af6 LF |
2064 | } |
2065 | ||
2066 | if (update_mask) | |
2067 | update_beacon(padapter, _TIM_IE_, NULL, false); | |
2068 | } | |
2069 | ||
2070 | void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta) | |
2071 | { | |
d6846af6 LF |
2072 | u8 wmmps_ac = 0; |
2073 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
2074 | struct xmit_frame *pxmitframe = NULL; | |
2075 | struct sta_priv *pstapriv = &padapter->stapriv; | |
2076 | ||
7057dcb3 | 2077 | spin_lock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
2078 | |
2079 | xmitframe_phead = get_list_head(&psta->sleep_q); | |
c44e5e39 | 2080 | xmitframe_plist = xmitframe_phead->next; |
d6846af6 | 2081 | |
84660700 | 2082 | while (xmitframe_phead != xmitframe_plist) { |
bea88100 | 2083 | pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); |
d6846af6 | 2084 | |
c44e5e39 | 2085 | xmitframe_plist = xmitframe_plist->next; |
d6846af6 LF |
2086 | |
2087 | switch (pxmitframe->attrib.priority) { | |
2088 | case 1: | |
2089 | case 2: | |
2090 | wmmps_ac = psta->uapsd_bk&BIT(1); | |
2091 | break; | |
2092 | case 4: | |
2093 | case 5: | |
2094 | wmmps_ac = psta->uapsd_vi&BIT(1); | |
2095 | break; | |
2096 | case 6: | |
2097 | case 7: | |
2098 | wmmps_ac = psta->uapsd_vo&BIT(1); | |
2099 | break; | |
2100 | case 0: | |
2101 | case 3: | |
2102 | default: | |
2103 | wmmps_ac = psta->uapsd_be&BIT(1); | |
2104 | break; | |
2105 | } | |
2106 | ||
2107 | if (!wmmps_ac) | |
2108 | continue; | |
2109 | ||
2110 | rtw_list_delete(&pxmitframe->list); | |
2111 | ||
2112 | psta->sleepq_len--; | |
2113 | psta->sleepq_ac_len--; | |
2114 | ||
2115 | if (psta->sleepq_ac_len > 0) { | |
2116 | pxmitframe->attrib.mdata = 1; | |
2117 | pxmitframe->attrib.eosp = 0; | |
2118 | } else { | |
2119 | pxmitframe->attrib.mdata = 0; | |
2120 | pxmitframe->attrib.eosp = 1; | |
2121 | } | |
2122 | ||
2123 | pxmitframe->attrib.triggered = 1; | |
2124 | ||
2125 | if (rtw_hal_xmit(padapter, pxmitframe) == true) | |
2126 | rtw_os_xmit_complete(padapter, pxmitframe); | |
2127 | ||
2128 | if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) { | |
2129 | pstapriv->tim_bitmap &= ~BIT(psta->aid); | |
2130 | ||
40a46d8b | 2131 | /* update BCN for TIM IE */ |
d6846af6 LF |
2132 | update_beacon(padapter, _TIM_IE_, NULL, false); |
2133 | } | |
2134 | } | |
2135 | ||
e02bcf61 | 2136 | spin_unlock_bh(&psta->sleep_q.lock); |
d6846af6 LF |
2137 | } |
2138 | ||
2139 | #endif | |
2140 | ||
2141 | void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) | |
2142 | { | |
2143 | sctx->timeout_ms = timeout_ms; | |
c01fb496 | 2144 | sctx->submit_time = jiffies; |
d6846af6 LF |
2145 | init_completion(&sctx->done); |
2146 | sctx->status = RTW_SCTX_SUBMITTED; | |
2147 | } | |
2148 | ||
2149 | int rtw_sctx_wait(struct submit_ctx *sctx) | |
2150 | { | |
2151 | int ret = _FAIL; | |
2152 | unsigned long expire; | |
2153 | int status = 0; | |
2154 | ||
2155 | expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; | |
2156 | if (!wait_for_completion_timeout(&sctx->done, expire)) { | |
2157 | /* timeout, do something?? */ | |
2158 | status = RTW_SCTX_DONE_TIMEOUT; | |
2159 | DBG_88E("%s timeout\n", __func__); | |
2160 | } else { | |
2161 | status = sctx->status; | |
2162 | } | |
2163 | ||
2164 | if (status == RTW_SCTX_DONE_SUCCESS) | |
2165 | ret = _SUCCESS; | |
2166 | ||
2167 | return ret; | |
2168 | } | |
2169 | ||
2170 | static bool rtw_sctx_chk_waring_status(int status) | |
2171 | { | |
2172 | switch (status) { | |
2173 | case RTW_SCTX_DONE_UNKNOWN: | |
2174 | case RTW_SCTX_DONE_BUF_ALLOC: | |
2175 | case RTW_SCTX_DONE_BUF_FREE: | |
2176 | ||
2177 | case RTW_SCTX_DONE_DRV_STOP: | |
2178 | case RTW_SCTX_DONE_DEV_REMOVE: | |
2179 | return true; | |
2180 | default: | |
2181 | return false; | |
2182 | } | |
2183 | } | |
2184 | ||
2185 | void rtw_sctx_done_err(struct submit_ctx **sctx, int status) | |
2186 | { | |
2187 | if (*sctx) { | |
2188 | if (rtw_sctx_chk_waring_status(status)) | |
2189 | DBG_88E("%s status:%d\n", __func__, status); | |
2190 | (*sctx)->status = status; | |
2191 | complete(&((*sctx)->done)); | |
2192 | *sctx = NULL; | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | void rtw_sctx_done(struct submit_ctx **sctx) | |
2197 | { | |
2198 | rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); | |
2199 | } | |
2200 | ||
2201 | int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) | |
2202 | { | |
2203 | struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; | |
2204 | ||
c01fb496 | 2205 | pack_tx_ops->submit_time = jiffies; |
d6846af6 LF |
2206 | pack_tx_ops->timeout_ms = timeout_ms; |
2207 | pack_tx_ops->status = RTW_SCTX_SUBMITTED; | |
2208 | ||
2209 | return rtw_sctx_wait(pack_tx_ops); | |
2210 | } | |
2211 | ||
2212 | void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) | |
2213 | { | |
2214 | struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; | |
2215 | ||
2216 | if (pxmitpriv->ack_tx) | |
2217 | rtw_sctx_done_err(&pack_tx_ops, status); | |
2218 | else | |
2219 | DBG_88E("%s ack_tx not set\n", __func__); | |
2220 | } |