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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> | |
26 | #include <ip.h> | |
27 | #include <usb_ops.h> | |
28 | #include <usb_osintf.h> | |
29 | ||
30 | static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; | |
31 | static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; | |
32 | ||
33 | static 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 | ||
42 | void _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)); | |
46 | _rtw_spinlock_init(&psta_xmitpriv->lock); | |
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 | ||
57 | s32 _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 | ||
68 | /* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */ | |
69 | ||
70 | _rtw_spinlock_init(&pxmitpriv->lock); | |
71 | _rtw_init_sema(&pxmitpriv->xmit_sema, 0); | |
72 | _rtw_init_sema(&pxmitpriv->terminate_xmitthread_sema, 0); | |
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 | ||
94 | pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); | |
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 | ||
132 | pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); | |
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) { | |
156 | rtw_msleep_os(10); | |
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 | ||
174 | pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4); | |
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 | ||
213 | _rtw_init_sema(&(pxmitpriv->tx_retevt), 0); | |
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; | |
222 | _rtw_mutex_init(&pxmitpriv->ack_tx_mutex); | |
223 | rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); | |
224 | ||
225 | rtw_hal_init_xmit_priv(padapter); | |
226 | ||
227 | exit: | |
228 | ||
229 | _func_exit_; | |
230 | ||
231 | return res; | |
232 | } | |
233 | ||
234 | static void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv) | |
235 | { | |
236 | _rtw_spinlock_free(&pxmitpriv->lock); | |
237 | _rtw_free_sema(&pxmitpriv->xmit_sema); | |
238 | _rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema); | |
239 | ||
240 | _rtw_spinlock_free(&pxmitpriv->be_pending.lock); | |
241 | _rtw_spinlock_free(&pxmitpriv->bk_pending.lock); | |
242 | _rtw_spinlock_free(&pxmitpriv->vi_pending.lock); | |
243 | _rtw_spinlock_free(&pxmitpriv->vo_pending.lock); | |
244 | _rtw_spinlock_free(&pxmitpriv->bm_pending.lock); | |
245 | ||
246 | _rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock); | |
247 | _rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock); | |
248 | _rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock); | |
249 | } | |
250 | ||
251 | void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv) | |
252 | { | |
253 | int i; | |
254 | struct adapter *padapter = pxmitpriv->adapter; | |
255 | struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; | |
256 | struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; | |
257 | u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ; | |
258 | u32 num_xmit_extbuf = NR_XMIT_EXTBUFF; | |
259 | ||
260 | _func_enter_; | |
261 | ||
262 | rtw_hal_free_xmit_priv(padapter); | |
263 | ||
264 | rtw_mfree_xmit_priv_lock(pxmitpriv); | |
265 | ||
266 | if (pxmitpriv->pxmit_frame_buf == NULL) | |
267 | goto out; | |
268 | ||
269 | for (i = 0; i < NR_XMITFRAME; i++) { | |
270 | rtw_os_xmit_complete(padapter, pxmitframe); | |
271 | ||
272 | pxmitframe++; | |
273 | } | |
274 | ||
275 | for (i = 0; i < NR_XMITBUFF; i++) { | |
276 | rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); | |
277 | pxmitbuf++; | |
278 | } | |
279 | ||
280 | if (pxmitpriv->pallocated_frame_buf) | |
281 | rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4); | |
282 | ||
283 | if (pxmitpriv->pallocated_xmitbuf) | |
284 | rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4); | |
285 | ||
286 | /* free xmit extension buff */ | |
287 | _rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock); | |
288 | ||
289 | pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; | |
290 | for (i = 0; i < num_xmit_extbuf; i++) { | |
291 | rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ)); | |
292 | pxmitbuf++; | |
293 | } | |
294 | ||
295 | if (pxmitpriv->pallocated_xmit_extbuf) { | |
296 | rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, num_xmit_extbuf * sizeof(struct xmit_buf) + 4); | |
297 | } | |
298 | ||
299 | rtw_free_hwxmits(padapter); | |
300 | ||
301 | _rtw_mutex_free(&pxmitpriv->ack_tx_mutex); | |
302 | ||
303 | out: | |
304 | ||
305 | _func_exit_; | |
306 | } | |
307 | ||
308 | static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
309 | { | |
310 | u32 sz; | |
311 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
312 | struct sta_info *psta = pattrib->psta; | |
313 | struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); | |
314 | struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); | |
315 | ||
316 | if (pattrib->nr_frags != 1) | |
317 | sz = padapter->xmitpriv.frag_len; | |
318 | else /* no frag */ | |
319 | sz = pattrib->last_txcmdsz; | |
320 | ||
321 | /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */ | |
322 | /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */ | |
323 | /* Other fragments are protected by previous fragment. */ | |
324 | /* So we only need to check the length of first fragment. */ | |
325 | if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { | |
326 | if (sz > padapter->registrypriv.rts_thresh) { | |
327 | pattrib->vcs_mode = RTS_CTS; | |
328 | } else { | |
329 | if (psta->rtsen) | |
330 | pattrib->vcs_mode = RTS_CTS; | |
331 | else if (psta->cts2self) | |
332 | pattrib->vcs_mode = CTS_TO_SELF; | |
333 | else | |
334 | pattrib->vcs_mode = NONE_VCS; | |
335 | } | |
336 | } else { | |
337 | while (true) { | |
338 | /* IOT action */ | |
339 | if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en && | |
340 | (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { | |
341 | pattrib->vcs_mode = CTS_TO_SELF; | |
342 | break; | |
343 | } | |
344 | ||
345 | /* check ERP protection */ | |
346 | if (psta->rtsen || psta->cts2self) { | |
347 | if (psta->rtsen) | |
348 | pattrib->vcs_mode = RTS_CTS; | |
349 | else if (psta->cts2self) | |
350 | pattrib->vcs_mode = CTS_TO_SELF; | |
351 | ||
352 | break; | |
353 | } | |
354 | ||
355 | /* check HT op mode */ | |
356 | if (pattrib->ht_en) { | |
357 | u8 htopmode = pmlmeinfo->HT_protection; | |
358 | if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) || | |
359 | (!pmlmeext->cur_bwmode && htopmode == 3)) { | |
360 | pattrib->vcs_mode = RTS_CTS; | |
361 | break; | |
362 | } | |
363 | } | |
364 | ||
365 | /* check rts */ | |
366 | if (sz > padapter->registrypriv.rts_thresh) { | |
367 | pattrib->vcs_mode = RTS_CTS; | |
368 | break; | |
369 | } | |
370 | ||
371 | /* to do list: check MIMO power save condition. */ | |
372 | ||
373 | /* check AMPDU aggregation for TXOP */ | |
374 | if (pattrib->ampdu_en) { | |
375 | pattrib->vcs_mode = RTS_CTS; | |
376 | break; | |
377 | } | |
378 | ||
379 | pattrib->vcs_mode = NONE_VCS; | |
380 | break; | |
381 | } | |
382 | } | |
383 | } | |
384 | ||
385 | static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta) | |
386 | { | |
387 | /*if (psta->rtsen) | |
388 | pattrib->vcs_mode = RTS_CTS; | |
389 | else if (psta->cts2self) | |
390 | pattrib->vcs_mode = CTS_TO_SELF; | |
391 | else | |
392 | pattrib->vcs_mode = NONE_VCS;*/ | |
393 | ||
394 | pattrib->mdata = 0; | |
395 | pattrib->eosp = 0; | |
396 | pattrib->triggered = 0; | |
397 | ||
398 | /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */ | |
399 | pattrib->qos_en = psta->qos_option; | |
400 | ||
401 | pattrib->raid = psta->raid; | |
402 | pattrib->ht_en = psta->htpriv.ht_option; | |
403 | pattrib->bwmode = psta->htpriv.bwmode; | |
404 | pattrib->ch_offset = psta->htpriv.ch_offset; | |
405 | pattrib->sgi = psta->htpriv.sgi; | |
406 | pattrib->ampdu_en = false; | |
407 | pattrib->retry_ctrl = false; | |
408 | } | |
409 | ||
410 | u8 qos_acm(u8 acm_mask, u8 priority) | |
411 | { | |
412 | u8 change_priority = priority; | |
413 | ||
414 | switch (priority) { | |
415 | case 0: | |
416 | case 3: | |
417 | if (acm_mask & BIT(1)) | |
418 | change_priority = 1; | |
419 | break; | |
420 | case 1: | |
421 | case 2: | |
422 | break; | |
423 | case 4: | |
424 | case 5: | |
425 | if (acm_mask & BIT(2)) | |
426 | change_priority = 0; | |
427 | break; | |
428 | case 6: | |
429 | case 7: | |
430 | if (acm_mask & BIT(3)) | |
431 | change_priority = 5; | |
432 | break; | |
433 | default: | |
434 | DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); | |
435 | break; | |
436 | } | |
437 | ||
438 | return change_priority; | |
439 | } | |
440 | ||
441 | static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) | |
442 | { | |
443 | struct ethhdr etherhdr; | |
444 | struct iphdr ip_hdr; | |
445 | s32 user_prio = 0; | |
446 | ||
447 | _rtw_open_pktfile(ppktfile->pkt, ppktfile); | |
448 | _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN); | |
449 | ||
450 | /* get user_prio from IP hdr */ | |
451 | if (pattrib->ether_type == 0x0800) { | |
452 | _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); | |
453 | /* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */ | |
454 | user_prio = ip_hdr.tos >> 5; | |
455 | } else if (pattrib->ether_type == 0x888e) { | |
456 | /* "When priority processing of data frames is supported, */ | |
457 | /* a STA's SME should send EAPOL-Key frames at the highest priority." */ | |
458 | user_prio = 7; | |
459 | } | |
460 | ||
461 | pattrib->priority = user_prio; | |
462 | pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; | |
463 | pattrib->subtype = WIFI_QOS_DATA_TYPE; | |
464 | } | |
465 | ||
466 | static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib) | |
467 | { | |
468 | struct pkt_file pktfile; | |
469 | struct sta_info *psta = NULL; | |
470 | struct ethhdr etherhdr; | |
471 | ||
472 | int bmcast; | |
473 | struct sta_priv *pstapriv = &padapter->stapriv; | |
474 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
475 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
476 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
477 | int res = _SUCCESS; | |
478 | ||
479 | _func_enter_; | |
480 | ||
481 | _rtw_open_pktfile(pkt, &pktfile); | |
482 | _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN); | |
483 | ||
484 | pattrib->ether_type = ntohs(etherhdr.h_proto); | |
485 | ||
486 | memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); | |
487 | memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); | |
488 | ||
489 | pattrib->pctrl = 0; | |
490 | ||
491 | if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || | |
492 | check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { | |
493 | memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); | |
494 | memcpy(pattrib->ta, pattrib->src, ETH_ALEN); | |
495 | } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { | |
496 | memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); | |
497 | memcpy(pattrib->ta, pattrib->src, ETH_ALEN); | |
498 | } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { | |
499 | memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); | |
500 | memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); | |
501 | } | |
502 | ||
503 | pattrib->pktlen = pktfile.pkt_len; | |
504 | ||
505 | if (ETH_P_IP == pattrib->ether_type) { | |
506 | /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */ | |
507 | /* to prevent DHCP protocol fail */ | |
508 | u8 tmp[24]; | |
509 | _rtw_pktfile_read(&pktfile, &tmp[0], 24); | |
510 | pattrib->dhcp_pkt = 0; | |
511 | if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */ | |
512 | if (ETH_P_IP == pattrib->ether_type) {/* IP header */ | |
513 | if (((tmp[21] == 68) && (tmp[23] == 67)) || | |
514 | ((tmp[21] == 67) && (tmp[23] == 68))) { | |
515 | /* 68 : UDP BOOTP client */ | |
516 | /* 67 : UDP BOOTP server */ | |
517 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n")); | |
518 | /* Use low rate to send DHCP packet. */ | |
519 | pattrib->dhcp_pkt = 1; | |
520 | } | |
521 | } | |
522 | } | |
523 | } else if (0x888e == pattrib->ether_type) { | |
524 | DBG_88E_LEVEL(_drv_info_, "send eapol packet\n"); | |
525 | } | |
526 | ||
527 | if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) | |
528 | rtw_set_scan_deny(padapter, 3000); | |
529 | ||
530 | /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */ | |
531 | if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) | |
532 | rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); | |
533 | ||
534 | bmcast = IS_MCAST(pattrib->ra); | |
535 | ||
536 | /* get sta_info */ | |
537 | if (bmcast) { | |
538 | psta = rtw_get_bcmc_stainfo(padapter); | |
539 | } else { | |
540 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
541 | if (psta == NULL) { /* if we cannot get psta => drrp the pkt */ | |
542 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra))); | |
543 | res = _FAIL; | |
544 | goto exit; | |
545 | } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) { | |
546 | res = _FAIL; | |
547 | goto exit; | |
548 | } | |
549 | } | |
550 | ||
551 | if (psta) { | |
552 | pattrib->mac_id = psta->mac_id; | |
553 | /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */ | |
554 | pattrib->psta = psta; | |
555 | } else { | |
556 | /* if we cannot get psta => drop the pkt */ | |
557 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra))); | |
558 | res = _FAIL; | |
559 | goto exit; | |
560 | } | |
561 | ||
562 | pattrib->ack_policy = 0; | |
563 | /* get ether_hdr_len */ | |
564 | pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */ | |
565 | ||
566 | pattrib->hdrlen = WLAN_HDR_A3_LEN; | |
567 | pattrib->subtype = WIFI_DATA_TYPE; | |
568 | pattrib->priority = 0; | |
569 | ||
570 | if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { | |
571 | if (psta->qos_option) | |
572 | set_qos(&pktfile, pattrib); | |
573 | } else { | |
574 | if (pqospriv->qos_option) { | |
575 | set_qos(&pktfile, pattrib); | |
576 | ||
577 | if (pmlmepriv->acm_mask != 0) | |
578 | pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); | |
579 | } | |
580 | } | |
581 | ||
582 | if (psta->ieee8021x_blocked) { | |
583 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n")); | |
584 | ||
585 | pattrib->encrypt = 0; | |
586 | ||
587 | if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) { | |
588 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type)); | |
589 | res = _FAIL; | |
590 | goto exit; | |
591 | } | |
592 | } else { | |
593 | GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); | |
594 | ||
595 | switch (psecuritypriv->dot11AuthAlgrthm) { | |
596 | case dot11AuthAlgrthm_Open: | |
597 | case dot11AuthAlgrthm_Shared: | |
598 | case dot11AuthAlgrthm_Auto: | |
599 | pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; | |
600 | break; | |
601 | case dot11AuthAlgrthm_8021X: | |
602 | if (bmcast) | |
603 | pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; | |
604 | else | |
605 | pattrib->key_idx = 0; | |
606 | break; | |
607 | default: | |
608 | pattrib->key_idx = 0; | |
609 | break; | |
610 | } | |
611 | } | |
612 | ||
613 | switch (pattrib->encrypt) { | |
614 | case _WEP40_: | |
615 | case _WEP104_: | |
616 | pattrib->iv_len = 4; | |
617 | pattrib->icv_len = 4; | |
618 | break; | |
619 | case _TKIP_: | |
620 | pattrib->iv_len = 8; | |
621 | pattrib->icv_len = 4; | |
622 | ||
623 | if (padapter->securitypriv.busetkipkey == _FAIL) { | |
624 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
625 | ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n", | |
626 | padapter->securitypriv.busetkipkey)); | |
627 | res = _FAIL; | |
628 | goto exit; | |
629 | } | |
630 | break; | |
631 | case _AES_: | |
632 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt)); | |
633 | pattrib->iv_len = 8; | |
634 | pattrib->icv_len = 8; | |
635 | break; | |
636 | default: | |
637 | pattrib->iv_len = 0; | |
638 | pattrib->icv_len = 0; | |
639 | break; | |
640 | } | |
641 | ||
642 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, | |
643 | ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n", | |
644 | pattrib->encrypt, padapter->securitypriv.sw_encrypt)); | |
645 | ||
646 | if (pattrib->encrypt && | |
647 | (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) { | |
648 | pattrib->bswenc = true; | |
649 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
650 | ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n", | |
651 | pattrib->encrypt, padapter->securitypriv.sw_encrypt)); | |
652 | } else { | |
653 | pattrib->bswenc = false; | |
654 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n")); | |
655 | } | |
656 | ||
657 | rtw_set_tx_chksum_offload(pkt, pattrib); | |
658 | ||
659 | update_attrib_phy_info(pattrib, psta); | |
660 | ||
661 | exit: | |
662 | ||
663 | _func_exit_; | |
664 | ||
665 | return res; | |
666 | } | |
667 | ||
668 | static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
669 | { | |
670 | int curfragnum, length; | |
671 | u8 *pframe, *payload, mic[8]; | |
672 | struct mic_data micdata; | |
673 | struct sta_info *stainfo; | |
674 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
675 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
676 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
677 | u8 priority[4] = {0x0, 0x0, 0x0, 0x0}; | |
678 | u8 hw_hdr_offset = 0; | |
679 | int bmcst = IS_MCAST(pattrib->ra); | |
680 | ||
681 | if (pattrib->psta) | |
682 | stainfo = pattrib->psta; | |
683 | else | |
684 | stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]); | |
685 | ||
686 | _func_enter_; | |
687 | ||
688 | hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);; | |
689 | ||
690 | if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ | |
691 | /* encode mic code */ | |
692 | if (stainfo != NULL) { | |
693 | u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | |
694 | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | |
695 | 0x0, 0x0}; | |
696 | ||
697 | pframe = pxmitframe->buf_addr + hw_hdr_offset; | |
698 | ||
699 | if (bmcst) { | |
700 | if (_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) | |
701 | return _FAIL; | |
702 | /* start to calculate the mic code */ | |
703 | rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); | |
704 | } else { | |
705 | if (_rtw_memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16) == true) { | |
706 | /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ | |
707 | /* rtw_msleep_os(10); */ | |
708 | return _FAIL; | |
709 | } | |
710 | /* start to calculate the mic code */ | |
711 | rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]); | |
712 | } | |
713 | ||
714 | if (pframe[1]&1) { /* ToDS == 1 */ | |
715 | rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */ | |
716 | if (pframe[1]&2) /* From Ds == 1 */ | |
717 | rtw_secmicappend(&micdata, &pframe[24], 6); | |
718 | else | |
719 | rtw_secmicappend(&micdata, &pframe[10], 6); | |
720 | } else { /* ToDS == 0 */ | |
721 | rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */ | |
722 | if (pframe[1]&2) /* From Ds == 1 */ | |
723 | rtw_secmicappend(&micdata, &pframe[16], 6); | |
724 | else | |
725 | rtw_secmicappend(&micdata, &pframe[10], 6); | |
726 | } | |
727 | ||
728 | if (pattrib->qos_en) | |
729 | priority[0] = (u8)pxmitframe->attrib.priority; | |
730 | ||
731 | rtw_secmicappend(&micdata, &priority[0], 4); | |
732 | ||
733 | payload = pframe; | |
734 | ||
735 | for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { | |
736 | payload = (u8 *)RND4((size_t)(payload)); | |
737 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
738 | ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", | |
739 | curfragnum, *payload, *(payload+1), | |
740 | *(payload+2), *(payload+3), | |
741 | *(payload+4), *(payload+5), | |
742 | *(payload+6), *(payload+7))); | |
743 | ||
744 | payload = payload+pattrib->hdrlen+pattrib->iv_len; | |
745 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
746 | ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d", | |
747 | curfragnum, pattrib->hdrlen, pattrib->iv_len)); | |
748 | if ((curfragnum+1) == pattrib->nr_frags) { | |
749 | length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); | |
750 | rtw_secmicappend(&micdata, payload, length); | |
751 | payload = payload+length; | |
752 | } else { | |
753 | length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); | |
754 | rtw_secmicappend(&micdata, payload, length); | |
755 | payload = payload+length+pattrib->icv_len; | |
756 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len)); | |
757 | } | |
758 | } | |
759 | rtw_secgetmic(&micdata, &(mic[0])); | |
760 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); | |
761 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz)); | |
762 | 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\ | |
763 | mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n", | |
764 | mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); | |
765 | /* add mic code and add the mic code length in last_txcmdsz */ | |
766 | ||
767 | memcpy(payload, &(mic[0]), 8); | |
768 | pattrib->last_txcmdsz += 8; | |
769 | ||
770 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n")); | |
771 | payload = payload-pattrib->last_txcmdsz+8; | |
772 | for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) | |
773 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, | |
774 | (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", | |
775 | *(payload+curfragnum), *(payload+curfragnum+1), | |
776 | *(payload+curfragnum+2), *(payload+curfragnum+3), | |
777 | *(payload+curfragnum+4), *(payload+curfragnum+5), | |
778 | *(payload+curfragnum+6), *(payload+curfragnum+7))); | |
779 | } else { | |
780 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n")); | |
781 | } | |
782 | } | |
783 | ||
784 | _func_exit_; | |
785 | ||
786 | return _SUCCESS; | |
787 | } | |
788 | ||
789 | static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
790 | { | |
791 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
792 | ||
793 | _func_enter_; | |
794 | ||
795 | if (pattrib->bswenc) { | |
796 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n")); | |
797 | switch (pattrib->encrypt) { | |
798 | case _WEP40_: | |
799 | case _WEP104_: | |
800 | rtw_wep_encrypt(padapter, (u8 *)pxmitframe); | |
801 | break; | |
802 | case _TKIP_: | |
803 | rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); | |
804 | break; | |
805 | case _AES_: | |
806 | rtw_aes_encrypt(padapter, (u8 *)pxmitframe); | |
807 | break; | |
808 | default: | |
809 | break; | |
810 | } | |
811 | } else { | |
812 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n")); | |
813 | } | |
814 | ||
815 | _func_exit_; | |
816 | ||
817 | return _SUCCESS; | |
818 | } | |
819 | ||
820 | s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib) | |
821 | { | |
822 | u16 *qc; | |
823 | ||
824 | struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr; | |
825 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
826 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
827 | u8 qos_option = false; | |
828 | ||
829 | int res = _SUCCESS; | |
830 | u16 *fctrl = &pwlanhdr->frame_ctl; | |
831 | ||
832 | struct sta_info *psta; | |
833 | ||
834 | int bmcst = IS_MCAST(pattrib->ra); | |
835 | ||
836 | _func_enter_; | |
837 | ||
838 | if (pattrib->psta) { | |
839 | psta = pattrib->psta; | |
840 | } else { | |
841 | if (bmcst) { | |
842 | psta = rtw_get_bcmc_stainfo(padapter); | |
843 | } else { | |
844 | psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); | |
845 | } | |
846 | } | |
847 | ||
848 | _rtw_memset(hdr, 0, WLANHDR_OFFSET); | |
849 | ||
850 | SetFrameSubType(fctrl, pattrib->subtype); | |
851 | ||
852 | if (pattrib->subtype & WIFI_DATA_TYPE) { | |
853 | if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { | |
854 | /* to_ds = 1, fr_ds = 0; */ | |
855 | /* Data transfer to AP */ | |
856 | SetToDs(fctrl); | |
857 | memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); | |
858 | memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); | |
859 | memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); | |
860 | ||
861 | if (pqospriv->qos_option) | |
862 | qos_option = true; | |
863 | } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { | |
864 | /* to_ds = 0, fr_ds = 1; */ | |
865 | SetFrDs(fctrl); | |
866 | memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); | |
867 | memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); | |
868 | memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); | |
869 | ||
870 | if (psta->qos_option) | |
871 | qos_option = true; | |
872 | } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || | |
873 | check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { | |
874 | memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); | |
875 | memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); | |
876 | memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); | |
877 | ||
878 | if (psta->qos_option) | |
879 | qos_option = true; | |
880 | } else { | |
881 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); | |
882 | res = _FAIL; | |
883 | goto exit; | |
884 | } | |
885 | ||
886 | if (pattrib->mdata) | |
887 | SetMData(fctrl); | |
888 | ||
889 | if (pattrib->encrypt) | |
890 | SetPrivacy(fctrl); | |
891 | ||
892 | if (qos_option) { | |
893 | qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); | |
894 | ||
895 | if (pattrib->priority) | |
896 | SetPriority(qc, pattrib->priority); | |
897 | ||
898 | SetEOSP(qc, pattrib->eosp); | |
899 | ||
900 | SetAckpolicy(qc, pattrib->ack_policy); | |
901 | } | |
902 | ||
903 | /* TODO: fill HT Control Field */ | |
904 | ||
905 | /* Update Seq Num will be handled by f/w */ | |
906 | if (psta) { | |
907 | psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; | |
908 | psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; | |
909 | ||
910 | pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; | |
911 | ||
912 | SetSeqNum(hdr, pattrib->seqnum); | |
913 | ||
914 | /* check if enable ampdu */ | |
915 | if (pattrib->ht_en && psta->htpriv.ampdu_enable) { | |
916 | if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) | |
917 | pattrib->ampdu_en = true; | |
918 | } | |
919 | ||
920 | /* re-check if enable ampdu by BA_starting_seqctrl */ | |
921 | if (pattrib->ampdu_en) { | |
922 | u16 tx_seq; | |
923 | ||
924 | tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; | |
925 | ||
926 | /* check BA_starting_seqctrl */ | |
927 | if (SN_LESS(pattrib->seqnum, tx_seq)) { | |
928 | pattrib->ampdu_en = false;/* AGG BK */ | |
929 | } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) { | |
930 | psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; | |
931 | ||
932 | pattrib->ampdu_en = true;/* AGG EN */ | |
933 | } else { | |
934 | psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; | |
935 | pattrib->ampdu_en = true;/* AGG EN */ | |
936 | } | |
937 | } | |
938 | } | |
939 | } | |
940 | exit: | |
941 | ||
942 | _func_exit_; | |
943 | return res; | |
944 | } | |
945 | ||
946 | s32 rtw_txframes_pending(struct adapter *padapter) | |
947 | { | |
948 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
949 | ||
950 | return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) || | |
951 | (_rtw_queue_empty(&pxmitpriv->bk_pending) == false) || | |
952 | (_rtw_queue_empty(&pxmitpriv->vi_pending) == false) || | |
953 | (_rtw_queue_empty(&pxmitpriv->vo_pending) == false)); | |
954 | } | |
955 | ||
956 | s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib) | |
957 | { | |
958 | struct sta_info *psta; | |
959 | struct tx_servq *ptxservq; | |
960 | int priority = pattrib->priority; | |
961 | ||
962 | psta = pattrib->psta; | |
963 | ||
964 | switch (priority) { | |
965 | case 1: | |
966 | case 2: | |
967 | ptxservq = &(psta->sta_xmitpriv.bk_q); | |
968 | break; | |
969 | case 4: | |
970 | case 5: | |
971 | ptxservq = &(psta->sta_xmitpriv.vi_q); | |
972 | break; | |
973 | case 6: | |
974 | case 7: | |
975 | ptxservq = &(psta->sta_xmitpriv.vo_q); | |
976 | break; | |
977 | case 0: | |
978 | case 3: | |
979 | default: | |
980 | ptxservq = &(psta->sta_xmitpriv.be_q); | |
981 | break; | |
982 | } | |
983 | ||
984 | return ptxservq->qcnt; | |
985 | } | |
986 | ||
987 | /* | |
988 | * Calculate wlan 802.11 packet MAX size from pkt_attrib | |
989 | * This function doesn't consider fragment case | |
990 | */ | |
991 | u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) | |
992 | { | |
993 | u32 len = 0; | |
994 | ||
995 | len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */ | |
996 | len += SNAP_SIZE + sizeof(u16); /* LLC */ | |
997 | len += pattrib->pktlen; | |
998 | if (pattrib->encrypt == _TKIP_) | |
999 | len += 8; /* MIC */ | |
1000 | len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */ | |
1001 | ||
1002 | return len; | |
1003 | } | |
1004 | ||
1005 | /* | |
1006 | ||
1007 | This sub-routine will perform all the following: | |
1008 | ||
1009 | 1. remove 802.3 header. | |
1010 | 2. create wlan_header, based on the info in pxmitframe | |
1011 | 3. append sta's iv/ext-iv | |
1012 | 4. append LLC | |
1013 | 5. move frag chunk from pframe to pxmitframe->mem | |
1014 | 6. apply sw-encrypt, if necessary. | |
1015 | ||
1016 | */ | |
1017 | s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe) | |
1018 | { | |
1019 | struct pkt_file pktfile; | |
1020 | s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; | |
1021 | size_t addr; | |
1022 | u8 *pframe, *mem_start; | |
1023 | u8 hw_hdr_offset; | |
1024 | struct sta_info *psta; | |
1025 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1026 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1027 | u8 *pbuf_start; | |
1028 | s32 bmcst = IS_MCAST(pattrib->ra); | |
1029 | s32 res = _SUCCESS; | |
1030 | ||
1031 | _func_enter_; | |
1032 | ||
1033 | psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); | |
1034 | ||
1035 | if (psta == NULL) | |
1036 | return _FAIL; | |
1037 | ||
1038 | if (pxmitframe->buf_addr == NULL) { | |
1039 | DBG_88E("==> %s buf_addr == NULL\n", __func__); | |
1040 | return _FAIL; | |
1041 | } | |
1042 | ||
1043 | pbuf_start = pxmitframe->buf_addr; | |
1044 | ||
1045 | hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); | |
1046 | ||
1047 | mem_start = pbuf_start + hw_hdr_offset; | |
1048 | ||
1049 | if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { | |
1050 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); | |
1051 | DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); | |
1052 | res = _FAIL; | |
1053 | goto exit; | |
1054 | } | |
1055 | ||
1056 | _rtw_open_pktfile(pkt, &pktfile); | |
1057 | _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); | |
1058 | ||
1059 | frg_inx = 0; | |
1060 | frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */ | |
1061 | ||
1062 | while (1) { | |
1063 | llc_sz = 0; | |
1064 | ||
1065 | mpdu_len = frg_len; | |
1066 | ||
1067 | pframe = mem_start; | |
1068 | ||
1069 | SetMFrag(mem_start); | |
1070 | ||
1071 | pframe += pattrib->hdrlen; | |
1072 | mpdu_len -= pattrib->hdrlen; | |
1073 | ||
1074 | /* adding icv, if necessary... */ | |
1075 | if (pattrib->iv_len) { | |
1076 | if (psta != NULL) { | |
1077 | switch (pattrib->encrypt) { | |
1078 | case _WEP40_: | |
1079 | case _WEP104_: | |
1080 | WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1081 | break; | |
1082 | case _TKIP_: | |
1083 | if (bmcst) | |
1084 | TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1085 | else | |
1086 | TKIP_IV(pattrib->iv, psta->dot11txpn, 0); | |
1087 | break; | |
1088 | case _AES_: | |
1089 | if (bmcst) | |
1090 | AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); | |
1091 | else | |
1092 | AES_IV(pattrib->iv, psta->dot11txpn, 0); | |
1093 | break; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | memcpy(pframe, pattrib->iv, pattrib->iv_len); | |
1098 | ||
1099 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, | |
1100 | ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n", | |
1101 | padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); | |
1102 | ||
1103 | pframe += pattrib->iv_len; | |
1104 | ||
1105 | mpdu_len -= pattrib->iv_len; | |
1106 | } | |
1107 | ||
1108 | if (frg_inx == 0) { | |
1109 | llc_sz = rtw_put_snap(pframe, pattrib->ether_type); | |
1110 | pframe += llc_sz; | |
1111 | mpdu_len -= llc_sz; | |
1112 | } | |
1113 | ||
1114 | if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { | |
1115 | mpdu_len -= pattrib->icv_len; | |
1116 | } | |
1117 | ||
1118 | if (bmcst) { | |
1119 | /* don't do fragment to broadcat/multicast packets */ | |
1120 | mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); | |
1121 | } else { | |
1122 | mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); | |
1123 | } | |
1124 | ||
1125 | pframe += mem_sz; | |
1126 | ||
1127 | if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { | |
1128 | memcpy(pframe, pattrib->icv, pattrib->icv_len); | |
1129 | pframe += pattrib->icv_len; | |
1130 | } | |
1131 | ||
1132 | frg_inx++; | |
1133 | ||
1134 | if (bmcst || rtw_endofpktfile(&pktfile)) { | |
1135 | pattrib->nr_frags = frg_inx; | |
1136 | ||
1137 | pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) + | |
1138 | ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; | |
1139 | ||
1140 | ClearMFrag(mem_start); | |
1141 | ||
1142 | break; | |
1143 | } else { | |
1144 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__)); | |
1145 | } | |
1146 | ||
1147 | addr = (size_t)(pframe); | |
1148 | ||
1149 | mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; | |
1150 | memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); | |
1151 | } | |
1152 | ||
1153 | if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { | |
1154 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n")); | |
1155 | DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"); | |
1156 | res = _FAIL; | |
1157 | goto exit; | |
1158 | } | |
1159 | ||
1160 | xmitframe_swencrypt(padapter, pxmitframe); | |
1161 | ||
1162 | if (!bmcst) | |
1163 | update_attrib_vcs_info(padapter, pxmitframe); | |
1164 | else | |
1165 | pattrib->vcs_mode = NONE_VCS; | |
1166 | ||
1167 | exit: | |
1168 | ||
1169 | _func_exit_; | |
1170 | ||
1171 | return res; | |
1172 | } | |
1173 | ||
1174 | /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header | |
1175 | * IEEE LLC/SNAP header contains 8 octets | |
1176 | * First 3 octets comprise the LLC portion | |
1177 | * SNAP portion, 5 octets, is divided into two fields: | |
1178 | * Organizationally Unique Identifier(OUI), 3 octets, | |
1179 | * type, defined by that organization, 2 octets. | |
1180 | */ | |
1181 | s32 rtw_put_snap(u8 *data, u16 h_proto) | |
1182 | { | |
1183 | struct ieee80211_snap_hdr *snap; | |
1184 | u8 *oui; | |
1185 | ||
1186 | _func_enter_; | |
1187 | ||
1188 | snap = (struct ieee80211_snap_hdr *)data; | |
1189 | snap->dsap = 0xaa; | |
1190 | snap->ssap = 0xaa; | |
1191 | snap->ctrl = 0x03; | |
1192 | ||
1193 | if (h_proto == 0x8137 || h_proto == 0x80f3) | |
1194 | oui = P802_1H_OUI; | |
1195 | else | |
1196 | oui = RFC1042_OUI; | |
1197 | ||
1198 | snap->oui[0] = oui[0]; | |
1199 | snap->oui[1] = oui[1]; | |
1200 | snap->oui[2] = oui[2]; | |
1201 | ||
1202 | *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); | |
1203 | ||
1204 | _func_exit_; | |
1205 | ||
1206 | return SNAP_SIZE + sizeof(u16); | |
1207 | } | |
1208 | ||
1209 | void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) | |
1210 | { | |
1211 | uint protection; | |
1212 | u8 *perp; | |
1213 | int erp_len; | |
1214 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1215 | struct registry_priv *pregistrypriv = &padapter->registrypriv; | |
1216 | ||
1217 | _func_enter_; | |
1218 | ||
1219 | switch (pxmitpriv->vcs_setting) { | |
1220 | case DISABLE_VCS: | |
1221 | pxmitpriv->vcs = NONE_VCS; | |
1222 | break; | |
1223 | case ENABLE_VCS: | |
1224 | break; | |
1225 | case AUTO_VCS: | |
1226 | default: | |
1227 | perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); | |
1228 | if (perp == NULL) { | |
1229 | pxmitpriv->vcs = NONE_VCS; | |
1230 | } else { | |
1231 | protection = (*(perp + 2)) & BIT(1); | |
1232 | if (protection) { | |
1233 | if (pregistrypriv->vcs_type == RTS_CTS) | |
1234 | pxmitpriv->vcs = RTS_CTS; | |
1235 | else | |
1236 | pxmitpriv->vcs = CTS_TO_SELF; | |
1237 | } else { | |
1238 | pxmitpriv->vcs = NONE_VCS; | |
1239 | } | |
1240 | } | |
1241 | break; | |
1242 | } | |
1243 | ||
1244 | _func_exit_; | |
1245 | } | |
1246 | ||
1247 | void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz) | |
1248 | { | |
1249 | struct sta_info *psta = NULL; | |
1250 | struct stainfo_stats *pstats = NULL; | |
1251 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1252 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1253 | ||
1254 | if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { | |
1255 | pxmitpriv->tx_bytes += sz; | |
1256 | pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num; | |
1257 | ||
1258 | psta = pxmitframe->attrib.psta; | |
1259 | if (psta) { | |
1260 | pstats = &psta->sta_stats; | |
1261 | pstats->tx_pkts += pxmitframe->agg_num; | |
1262 | pstats->tx_bytes += sz; | |
1263 | } | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) | |
1268 | { | |
1269 | unsigned long irql; | |
1270 | struct xmit_buf *pxmitbuf = NULL; | |
1271 | struct list_head *plist, *phead; | |
1272 | struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; | |
1273 | ||
1274 | _func_enter_; | |
1275 | ||
1276 | _enter_critical(&pfree_queue->lock, &irql); | |
1277 | ||
1278 | if (_rtw_queue_empty(pfree_queue) == true) { | |
1279 | pxmitbuf = NULL; | |
1280 | } else { | |
1281 | phead = get_list_head(pfree_queue); | |
1282 | ||
1283 | plist = get_next(phead); | |
1284 | ||
1285 | pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); | |
1286 | ||
1287 | rtw_list_delete(&(pxmitbuf->list)); | |
1288 | } | |
1289 | ||
1290 | if (pxmitbuf != NULL) { | |
1291 | pxmitpriv->free_xmit_extbuf_cnt--; | |
1292 | ||
1293 | pxmitbuf->priv_data = NULL; | |
1294 | /* pxmitbuf->ext_tag = true; */ | |
1295 | ||
1296 | if (pxmitbuf->sctx) { | |
1297 | DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); | |
1298 | rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | _exit_critical(&pfree_queue->lock, &irql); | |
1303 | ||
1304 | _func_exit_; | |
1305 | ||
1306 | return pxmitbuf; | |
1307 | } | |
1308 | ||
1309 | s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) | |
1310 | { | |
1311 | unsigned long irql; | |
1312 | struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; | |
1313 | ||
1314 | _func_enter_; | |
1315 | ||
1316 | if (pxmitbuf == NULL) | |
1317 | return _FAIL; | |
1318 | ||
1319 | _enter_critical(&pfree_queue->lock, &irql); | |
1320 | ||
1321 | rtw_list_delete(&pxmitbuf->list); | |
1322 | ||
1323 | rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); | |
1324 | pxmitpriv->free_xmit_extbuf_cnt++; | |
1325 | ||
1326 | _exit_critical(&pfree_queue->lock, &irql); | |
1327 | ||
1328 | _func_exit_; | |
1329 | ||
1330 | return _SUCCESS; | |
1331 | } | |
1332 | ||
1333 | struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) | |
1334 | { | |
1335 | unsigned long irql; | |
1336 | struct xmit_buf *pxmitbuf = NULL; | |
1337 | struct list_head *plist, *phead; | |
1338 | struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; | |
1339 | ||
1340 | _func_enter_; | |
1341 | ||
1342 | /* DBG_88E("+rtw_alloc_xmitbuf\n"); */ | |
1343 | ||
1344 | _enter_critical(&pfree_xmitbuf_queue->lock, &irql); | |
1345 | ||
1346 | if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) { | |
1347 | pxmitbuf = NULL; | |
1348 | } else { | |
1349 | phead = get_list_head(pfree_xmitbuf_queue); | |
1350 | ||
1351 | plist = get_next(phead); | |
1352 | ||
1353 | pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); | |
1354 | ||
1355 | rtw_list_delete(&(pxmitbuf->list)); | |
1356 | } | |
1357 | ||
1358 | if (pxmitbuf != NULL) { | |
1359 | pxmitpriv->free_xmitbuf_cnt--; | |
1360 | pxmitbuf->priv_data = NULL; | |
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_ALLOC); | |
1364 | } | |
1365 | } | |
1366 | _exit_critical(&pfree_xmitbuf_queue->lock, &irql); | |
1367 | ||
1368 | _func_exit_; | |
1369 | ||
1370 | return pxmitbuf; | |
1371 | } | |
1372 | ||
1373 | s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) | |
1374 | { | |
1375 | unsigned long irql; | |
1376 | struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; | |
1377 | ||
1378 | _func_enter_; | |
1379 | if (pxmitbuf == NULL) | |
1380 | return _FAIL; | |
1381 | ||
1382 | if (pxmitbuf->sctx) { | |
1383 | DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); | |
1384 | rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); | |
1385 | } | |
1386 | ||
1387 | if (pxmitbuf->ext_tag) { | |
1388 | rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); | |
1389 | } else { | |
1390 | _enter_critical(&pfree_xmitbuf_queue->lock, &irql); | |
1391 | ||
1392 | rtw_list_delete(&pxmitbuf->list); | |
1393 | ||
1394 | rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); | |
1395 | ||
1396 | pxmitpriv->free_xmitbuf_cnt++; | |
1397 | _exit_critical(&pfree_xmitbuf_queue->lock, &irql); | |
1398 | } | |
1399 | ||
1400 | _func_exit_; | |
1401 | ||
1402 | return _SUCCESS; | |
1403 | } | |
1404 | ||
1405 | /* | |
1406 | Calling context: | |
1407 | 1. OS_TXENTRY | |
1408 | 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) | |
1409 | ||
1410 | If we turn on USE_RXTHREAD, then, no need for critical section. | |
1411 | Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... | |
1412 | ||
1413 | Must be very very cautious... | |
1414 | ||
1415 | */ | |
1416 | ||
1417 | struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */ | |
1418 | { | |
1419 | /* | |
1420 | Please remember to use all the osdep_service api, | |
1421 | and lock/unlock or _enter/_exit critical to protect | |
1422 | pfree_xmit_queue | |
1423 | */ | |
1424 | ||
1425 | unsigned long irql; | |
1426 | struct xmit_frame *pxframe = NULL; | |
1427 | struct list_head *plist, *phead; | |
1428 | struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; | |
1429 | ||
1430 | _func_enter_; | |
1431 | ||
1432 | _enter_critical_bh(&pfree_xmit_queue->lock, &irql); | |
1433 | ||
1434 | if (_rtw_queue_empty(pfree_xmit_queue) == true) { | |
1435 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1436 | pxframe = NULL; | |
1437 | } else { | |
1438 | phead = get_list_head(pfree_xmit_queue); | |
1439 | ||
1440 | plist = get_next(phead); | |
1441 | ||
1442 | pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); | |
1443 | ||
1444 | rtw_list_delete(&(pxframe->list)); | |
1445 | } | |
1446 | ||
1447 | if (pxframe != NULL) { /* default value setting */ | |
1448 | pxmitpriv->free_xmitframe_cnt--; | |
1449 | ||
1450 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1451 | ||
1452 | pxframe->buf_addr = NULL; | |
1453 | pxframe->pxmitbuf = NULL; | |
1454 | ||
1455 | _rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); | |
1456 | /* pxframe->attrib.psta = NULL; */ | |
1457 | ||
1458 | pxframe->frame_tag = DATA_FRAMETAG; | |
1459 | ||
1460 | pxframe->pkt = NULL; | |
1461 | pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */ | |
1462 | ||
1463 | pxframe->agg_num = 1; | |
1464 | pxframe->ack_report = 0; | |
1465 | } | |
1466 | ||
1467 | _exit_critical_bh(&pfree_xmit_queue->lock, &irql); | |
1468 | ||
1469 | _func_exit_; | |
1470 | ||
1471 | return pxframe; | |
1472 | } | |
1473 | ||
1474 | s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) | |
1475 | { | |
1476 | unsigned long irql; | |
1477 | struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; | |
1478 | struct adapter *padapter = pxmitpriv->adapter; | |
1479 | struct sk_buff *pndis_pkt = NULL; | |
1480 | ||
1481 | _func_enter_; | |
1482 | ||
1483 | if (pxmitframe == NULL) { | |
1484 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); | |
1485 | goto exit; | |
1486 | } | |
1487 | ||
1488 | _enter_critical_bh(&pfree_xmit_queue->lock, &irql); | |
1489 | ||
1490 | rtw_list_delete(&pxmitframe->list); | |
1491 | ||
1492 | if (pxmitframe->pkt) { | |
1493 | pndis_pkt = pxmitframe->pkt; | |
1494 | pxmitframe->pkt = NULL; | |
1495 | } | |
1496 | ||
1497 | rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue)); | |
1498 | ||
1499 | pxmitpriv->free_xmitframe_cnt++; | |
1500 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); | |
1501 | ||
1502 | _exit_critical_bh(&pfree_xmit_queue->lock, &irql); | |
1503 | ||
1504 | if (pndis_pkt) | |
1505 | rtw_os_pkt_complete(padapter, pndis_pkt); | |
1506 | ||
1507 | exit: | |
1508 | ||
1509 | _func_exit_; | |
1510 | ||
1511 | return _SUCCESS; | |
1512 | } | |
1513 | ||
1514 | void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue) | |
1515 | { | |
1516 | unsigned long irql; | |
1517 | struct list_head *plist, *phead; | |
1518 | struct xmit_frame *pxmitframe; | |
1519 | ||
1520 | _func_enter_; | |
1521 | ||
1522 | _enter_critical_bh(&(pframequeue->lock), &irql); | |
1523 | ||
1524 | phead = get_list_head(pframequeue); | |
1525 | plist = get_next(phead); | |
1526 | ||
1527 | while (!rtw_end_of_queue_search(phead, plist)) { | |
1528 | pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); | |
1529 | ||
1530 | plist = get_next(plist); | |
1531 | ||
1532 | rtw_free_xmitframe(pxmitpriv, pxmitframe); | |
1533 | } | |
1534 | _exit_critical_bh(&(pframequeue->lock), &irql); | |
1535 | ||
1536 | _func_exit_; | |
1537 | } | |
1538 | ||
1539 | s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1540 | { | |
1541 | if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { | |
1542 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, | |
1543 | ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); | |
1544 | /* pxmitframe->pkt = NULL; */ | |
1545 | return _FAIL; | |
1546 | } | |
1547 | ||
1548 | return _SUCCESS; | |
1549 | } | |
1550 | ||
1551 | static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue) | |
1552 | { | |
1553 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
1554 | struct xmit_frame *pxmitframe = NULL; | |
1555 | ||
1556 | xmitframe_phead = get_list_head(pframe_queue); | |
1557 | xmitframe_plist = get_next(xmitframe_phead); | |
1558 | ||
da6c3739 | 1559 | if (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { |
d6846af6 LF |
1560 | pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); |
1561 | ||
1562 | xmitframe_plist = get_next(xmitframe_plist); | |
1563 | ||
1564 | rtw_list_delete(&pxmitframe->list); | |
1565 | ||
1566 | ptxservq->qcnt--; | |
d6846af6 | 1567 | } |
d6846af6 LF |
1568 | return pxmitframe; |
1569 | } | |
1570 | ||
1571 | struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry) | |
1572 | { | |
1573 | unsigned long irql0; | |
1574 | struct list_head *sta_plist, *sta_phead; | |
1575 | struct hw_xmit *phwxmit; | |
1576 | struct tx_servq *ptxservq = NULL; | |
1577 | struct __queue *pframe_queue = NULL; | |
1578 | struct xmit_frame *pxmitframe = NULL; | |
1579 | struct adapter *padapter = pxmitpriv->adapter; | |
1580 | struct registry_priv *pregpriv = &padapter->registrypriv; | |
1581 | int i, inx[4]; | |
1582 | ||
1583 | _func_enter_; | |
1584 | ||
1585 | inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; | |
1586 | ||
1587 | if (pregpriv->wifi_spec == 1) { | |
1588 | int j; | |
1589 | ||
1590 | for (j = 0; j < 4; j++) | |
1591 | inx[j] = pxmitpriv->wmm_para_seq[j]; | |
1592 | } | |
1593 | ||
1594 | _enter_critical_bh(&pxmitpriv->lock, &irql0); | |
1595 | ||
1596 | for (i = 0; i < entry; i++) { | |
1597 | phwxmit = phwxmit_i + inx[i]; | |
1598 | ||
1599 | sta_phead = get_list_head(phwxmit->sta_queue); | |
1600 | sta_plist = get_next(sta_phead); | |
1601 | ||
1602 | while (!rtw_end_of_queue_search(sta_phead, sta_plist)) { | |
1603 | ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending); | |
1604 | ||
1605 | pframe_queue = &ptxservq->sta_pending; | |
1606 | ||
1607 | pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue); | |
1608 | ||
1609 | if (pxmitframe) { | |
1610 | phwxmit->accnt--; | |
1611 | ||
1612 | /* Remove sta node when there are no pending packets. */ | |
1613 | if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */ | |
1614 | rtw_list_delete(&ptxservq->tx_pending); | |
1615 | goto exit; | |
1616 | } | |
1617 | ||
1618 | sta_plist = get_next(sta_plist); | |
1619 | } | |
1620 | } | |
1621 | exit: | |
1622 | _exit_critical_bh(&pxmitpriv->lock, &irql0); | |
1623 | _func_exit_; | |
1624 | return pxmitframe; | |
1625 | } | |
1626 | ||
1627 | struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac) | |
1628 | { | |
1629 | struct tx_servq *ptxservq; | |
1630 | ||
1631 | _func_enter_; | |
1632 | switch (up) { | |
1633 | case 1: | |
1634 | case 2: | |
1635 | ptxservq = &(psta->sta_xmitpriv.bk_q); | |
1636 | *(ac) = 3; | |
1637 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); | |
1638 | break; | |
1639 | case 4: | |
1640 | case 5: | |
1641 | ptxservq = &(psta->sta_xmitpriv.vi_q); | |
1642 | *(ac) = 1; | |
1643 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); | |
1644 | break; | |
1645 | case 6: | |
1646 | case 7: | |
1647 | ptxservq = &(psta->sta_xmitpriv.vo_q); | |
1648 | *(ac) = 0; | |
1649 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); | |
1650 | break; | |
1651 | case 0: | |
1652 | case 3: | |
1653 | default: | |
1654 | ptxservq = &(psta->sta_xmitpriv.be_q); | |
1655 | *(ac) = 2; | |
1656 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); | |
1657 | break; | |
1658 | } | |
1659 | ||
1660 | _func_exit_; | |
1661 | ||
1662 | return ptxservq; | |
1663 | } | |
1664 | ||
1665 | /* | |
1666 | * Will enqueue pxmitframe to the proper queue, | |
1667 | * and indicate it to xx_pending list..... | |
1668 | */ | |
1669 | s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1670 | { | |
1671 | /* unsigned long irql0; */ | |
1672 | u8 ac_index; | |
1673 | struct sta_info *psta; | |
1674 | struct tx_servq *ptxservq; | |
1675 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1676 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1677 | struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; | |
1678 | int res = _SUCCESS; | |
1679 | ||
1680 | _func_enter_; | |
1681 | ||
1682 | if (pattrib->psta) { | |
1683 | psta = pattrib->psta; | |
1684 | } else { | |
1685 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
1686 | } | |
1687 | ||
1688 | if (psta == NULL) { | |
1689 | res = _FAIL; | |
1690 | DBG_88E("rtw_xmit_classifier: psta == NULL\n"); | |
1691 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); | |
1692 | goto exit; | |
1693 | } | |
1694 | ||
1695 | ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); | |
1696 | ||
1697 | if (rtw_is_list_empty(&ptxservq->tx_pending)) | |
1698 | rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); | |
1699 | ||
1700 | rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); | |
1701 | ptxservq->qcnt++; | |
1702 | phwxmits[ac_index].accnt++; | |
1703 | exit: | |
1704 | ||
1705 | _func_exit_; | |
1706 | ||
1707 | return res; | |
1708 | } | |
1709 | ||
1710 | void rtw_alloc_hwxmits(struct adapter *padapter) | |
1711 | { | |
1712 | struct hw_xmit *hwxmits; | |
1713 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1714 | ||
1715 | pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; | |
1716 | ||
1717 | pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); | |
1718 | ||
1719 | hwxmits = pxmitpriv->hwxmits; | |
1720 | ||
1721 | if (pxmitpriv->hwxmit_entry == 5) { | |
1722 | hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; | |
1723 | hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; | |
1724 | hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; | |
1725 | hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; | |
1726 | hwxmits[4] .sta_queue = &pxmitpriv->be_pending; | |
1727 | } else if (pxmitpriv->hwxmit_entry == 4) { | |
1728 | hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; | |
1729 | hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; | |
1730 | hwxmits[2] .sta_queue = &pxmitpriv->be_pending; | |
1731 | hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; | |
1732 | } else { | |
1733 | } | |
1734 | } | |
1735 | ||
1736 | void rtw_free_hwxmits(struct adapter *padapter) | |
1737 | { | |
1738 | struct hw_xmit *hwxmits; | |
1739 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1740 | ||
1741 | hwxmits = pxmitpriv->hwxmits; | |
1742 | kfree(hwxmits); | |
1743 | } | |
1744 | ||
1745 | void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry) | |
1746 | { | |
1747 | int i; | |
1748 | _func_enter_; | |
1749 | for (i = 0; i < entry; i++, phwxmit++) | |
1750 | phwxmit->accnt = 0; | |
1751 | _func_exit_; | |
1752 | } | |
1753 | ||
1754 | static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb) | |
1755 | { | |
1756 | struct sk_buff *skb = *pskb; | |
1757 | unsigned long irql; | |
1758 | int res, is_vlan_tag = 0, i, do_nat25 = 1; | |
1759 | unsigned short vlan_hdr = 0; | |
1760 | void *br_port = NULL; | |
1761 | ||
1762 | rcu_read_lock(); | |
1763 | br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); | |
1764 | rcu_read_unlock(); | |
1765 | _enter_critical_bh(&padapter->br_ext_lock, &irql); | |
1766 | if (!(skb->data[0] & 1) && br_port && | |
1767 | memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && | |
1768 | *((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) && | |
1769 | *((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) && | |
1770 | !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) { | |
1771 | memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); | |
1772 | padapter->scdb_entry->ageing_timer = jiffies; | |
1773 | _exit_critical_bh(&padapter->br_ext_lock, &irql); | |
1774 | } else { | |
1775 | if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) { | |
1776 | is_vlan_tag = 1; | |
1777 | vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); | |
1778 | for (i = 0; i < 6; i++) | |
1779 | *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); | |
1780 | skb_pull(skb, 4); | |
1781 | } | |
1782 | if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && | |
1783 | (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP))) | |
1784 | memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); | |
1785 | ||
1786 | if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) { | |
1787 | if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) { | |
1788 | padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter, | |
1789 | skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12); | |
1790 | if (padapter->scdb_entry) { | |
1791 | memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN); | |
1792 | memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); | |
1793 | padapter->scdb_entry->ageing_timer = jiffies; | |
1794 | do_nat25 = 0; | |
1795 | } | |
1796 | } else { | |
1797 | if (padapter->scdb_entry) { | |
1798 | padapter->scdb_entry->ageing_timer = jiffies; | |
1799 | do_nat25 = 0; | |
1800 | } else { | |
1801 | memset(padapter->scdb_mac, 0, MACADDRLEN); | |
1802 | memset(padapter->scdb_ip, 0, 4); | |
1803 | } | |
1804 | } | |
1805 | } | |
1806 | _exit_critical_bh(&padapter->br_ext_lock, &irql); | |
1807 | if (do_nat25) { | |
1808 | if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) { | |
1809 | struct sk_buff *newskb; | |
1810 | ||
1811 | if (is_vlan_tag) { | |
1812 | skb_push(skb, 4); | |
1813 | for (i = 0; i < 6; i++) | |
1814 | *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); | |
1815 | *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); | |
1816 | *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; | |
1817 | } | |
1818 | ||
1819 | newskb = skb_copy(skb, GFP_ATOMIC); | |
1820 | if (newskb == NULL) { | |
1821 | DEBUG_ERR("TX DROP: skb_copy fail!\n"); | |
1822 | return -1; | |
1823 | } | |
1824 | dev_kfree_skb_any(skb); | |
1825 | ||
1826 | *pskb = skb = newskb; | |
1827 | if (is_vlan_tag) { | |
1828 | vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); | |
1829 | for (i = 0; i < 6; i++) | |
1830 | *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); | |
1831 | skb_pull(skb, 4); | |
1832 | } | |
1833 | } | |
1834 | ||
1835 | if (skb_is_nonlinear(skb)) | |
1836 | DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__); | |
1837 | ||
1838 | res = skb_linearize(skb); | |
1839 | if (res < 0) { | |
1840 | DEBUG_ERR("TX DROP: skb_linearize fail!\n"); | |
1841 | return -1; | |
1842 | } | |
1843 | ||
1844 | res = nat25_db_handle(padapter, skb, NAT25_INSERT); | |
1845 | if (res < 0) { | |
1846 | if (res == -2) { | |
1847 | DEBUG_ERR("TX DROP: nat25_db_handle fail!\n"); | |
1848 | return -1; | |
1849 | } | |
1850 | return 0; | |
1851 | } | |
1852 | } | |
1853 | ||
1854 | memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); | |
1855 | ||
1856 | dhcp_flag_bcast(padapter, skb); | |
1857 | ||
1858 | if (is_vlan_tag) { | |
1859 | skb_push(skb, 4); | |
1860 | for (i = 0; i < 6; i++) | |
1861 | *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); | |
1862 | *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); | |
1863 | *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | /* check if SA is equal to our MAC */ | |
1868 | if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) { | |
1869 | DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n", | |
1870 | skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]); | |
1871 | return -1; | |
1872 | } | |
1873 | return 0; | |
1874 | } | |
1875 | ||
1876 | u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) | |
1877 | { | |
1878 | u32 addr; | |
1879 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1880 | ||
1881 | switch (pattrib->qsel) { | |
1882 | case 0: | |
1883 | case 3: | |
1884 | addr = BE_QUEUE_INX; | |
1885 | break; | |
1886 | case 1: | |
1887 | case 2: | |
1888 | addr = BK_QUEUE_INX; | |
1889 | break; | |
1890 | case 4: | |
1891 | case 5: | |
1892 | addr = VI_QUEUE_INX; | |
1893 | break; | |
1894 | case 6: | |
1895 | case 7: | |
1896 | addr = VO_QUEUE_INX; | |
1897 | break; | |
1898 | case 0x10: | |
1899 | addr = BCN_QUEUE_INX; | |
1900 | break; | |
1901 | case 0x11:/* BC/MC in PS (HIQ) */ | |
1902 | addr = HIGH_QUEUE_INX; | |
1903 | break; | |
1904 | case 0x12: | |
1905 | default: | |
1906 | addr = MGT_QUEUE_INX; | |
1907 | break; | |
1908 | } | |
1909 | ||
1910 | return addr; | |
1911 | } | |
1912 | ||
1913 | static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib) | |
1914 | { | |
1915 | u8 qsel; | |
1916 | ||
1917 | qsel = pattrib->priority; | |
1918 | RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel)); | |
1919 | ||
1920 | pattrib->qsel = qsel; | |
1921 | } | |
1922 | ||
1923 | /* | |
1924 | * The main transmit(tx) entry | |
1925 | * | |
1926 | * Return | |
1927 | * 1 enqueue | |
1928 | * 0 success, hardware will handle this xmit frame(packet) | |
1929 | * <0 fail | |
1930 | */ | |
1931 | s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt) | |
1932 | { | |
1933 | #ifdef CONFIG_88EU_AP_MODE | |
1934 | unsigned long irql0; | |
1935 | #endif | |
1936 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
1937 | struct xmit_frame *pxmitframe = NULL; | |
1938 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1939 | void *br_port = NULL; | |
1940 | s32 res; | |
1941 | ||
1942 | pxmitframe = rtw_alloc_xmitframe(pxmitpriv); | |
1943 | if (pxmitframe == NULL) { | |
1944 | RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); | |
1945 | DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__); | |
1946 | return -1; | |
1947 | } | |
1948 | ||
1949 | rcu_read_lock(); | |
1950 | br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); | |
1951 | rcu_read_unlock(); | |
1952 | ||
1953 | if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) { | |
1954 | res = rtw_br_client_tx(padapter, ppkt); | |
1955 | if (res == -1) { | |
1956 | rtw_free_xmitframe(pxmitpriv, pxmitframe); | |
1957 | return -1; | |
1958 | } | |
1959 | } | |
1960 | ||
1961 | res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); | |
1962 | ||
1963 | if (res == _FAIL) { | |
1964 | RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); | |
1965 | rtw_free_xmitframe(pxmitpriv, pxmitframe); | |
1966 | return -1; | |
1967 | } | |
1968 | pxmitframe->pkt = *ppkt; | |
1969 | ||
1970 | rtw_led_control(padapter, LED_CTL_TX); | |
1971 | ||
1972 | do_queue_select(padapter, &pxmitframe->attrib); | |
1973 | ||
1974 | #ifdef CONFIG_88EU_AP_MODE | |
1975 | _enter_critical_bh(&pxmitpriv->lock, &irql0); | |
1976 | if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) { | |
1977 | _exit_critical_bh(&pxmitpriv->lock, &irql0); | |
1978 | return 1; | |
1979 | } | |
1980 | _exit_critical_bh(&pxmitpriv->lock, &irql0); | |
1981 | #endif | |
1982 | ||
1983 | if (rtw_hal_xmit(padapter, pxmitframe) == false) | |
1984 | return 1; | |
1985 | ||
1986 | return 0; | |
1987 | } | |
1988 | ||
1989 | #if defined(CONFIG_88EU_AP_MODE) | |
1990 | ||
1991 | int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe) | |
1992 | { | |
1993 | unsigned long irql; | |
1994 | int ret = false; | |
1995 | struct sta_info *psta = NULL; | |
1996 | struct sta_priv *pstapriv = &padapter->stapriv; | |
1997 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
1998 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1999 | int bmcst = IS_MCAST(pattrib->ra); | |
2000 | ||
2001 | if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) | |
2002 | return ret; | |
2003 | ||
2004 | if (pattrib->psta) | |
2005 | psta = pattrib->psta; | |
2006 | else | |
2007 | psta = rtw_get_stainfo(pstapriv, pattrib->ra); | |
2008 | ||
2009 | if (psta == NULL) | |
2010 | return ret; | |
2011 | ||
2012 | if (pattrib->triggered == 1) { | |
2013 | if (bmcst) | |
2014 | pattrib->qsel = 0x11;/* HIQ */ | |
2015 | return ret; | |
2016 | } | |
2017 | ||
2018 | if (bmcst) { | |
2019 | _enter_critical_bh(&psta->sleep_q.lock, &irql); | |
2020 | ||
2021 | if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */ | |
2022 | rtw_list_delete(&pxmitframe->list); | |
2023 | ||
2024 | rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); | |
2025 | ||
2026 | psta->sleepq_len++; | |
2027 | ||
2028 | pstapriv->tim_bitmap |= BIT(0);/* */ | |
2029 | pstapriv->sta_dz_bitmap |= BIT(0); | |
2030 | ||
2031 | update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */ | |
2032 | ||
2033 | ret = true; | |
2034 | } | |
2035 | ||
2036 | _exit_critical_bh(&psta->sleep_q.lock, &irql); | |
2037 | ||
2038 | return ret; | |
2039 | } | |
2040 | ||
2041 | _enter_critical_bh(&psta->sleep_q.lock, &irql); | |
2042 | ||
2043 | if (psta->state&WIFI_SLEEP_STATE) { | |
2044 | u8 wmmps_ac = 0; | |
2045 | ||
2046 | if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) { | |
2047 | rtw_list_delete(&pxmitframe->list); | |
2048 | ||
2049 | rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); | |
2050 | ||
2051 | psta->sleepq_len++; | |
2052 | ||
2053 | switch (pattrib->priority) { | |
2054 | case 1: | |
2055 | case 2: | |
2056 | wmmps_ac = psta->uapsd_bk&BIT(0); | |
2057 | break; | |
2058 | case 4: | |
2059 | case 5: | |
2060 | wmmps_ac = psta->uapsd_vi&BIT(0); | |
2061 | break; | |
2062 | case 6: | |
2063 | case 7: | |
2064 | wmmps_ac = psta->uapsd_vo&BIT(0); | |
2065 | break; | |
2066 | case 0: | |
2067 | case 3: | |
2068 | default: | |
2069 | wmmps_ac = psta->uapsd_be&BIT(0); | |
2070 | break; | |
2071 | } | |
2072 | ||
2073 | if (wmmps_ac) | |
2074 | psta->sleepq_ac_len++; | |
2075 | ||
2076 | if (((psta->has_legacy_ac) && (!wmmps_ac)) || | |
2077 | ((!psta->has_legacy_ac) && (wmmps_ac))) { | |
2078 | pstapriv->tim_bitmap |= BIT(psta->aid); | |
2079 | ||
2080 | if (psta->sleepq_len == 1) { | |
2081 | /* upate BCN for TIM IE */ | |
2082 | update_beacon(padapter, _TIM_IE_, NULL, false); | |
2083 | } | |
2084 | } | |
2085 | ret = true; | |
2086 | } | |
2087 | } | |
2088 | ||
2089 | _exit_critical_bh(&psta->sleep_q.lock, &irql); | |
2090 | ||
2091 | return ret; | |
2092 | } | |
2093 | ||
2094 | static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue) | |
2095 | { | |
2096 | struct list_head *plist, *phead; | |
2097 | u8 ac_index; | |
2098 | struct tx_servq *ptxservq; | |
2099 | struct pkt_attrib *pattrib; | |
2100 | struct xmit_frame *pxmitframe; | |
2101 | struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; | |
2102 | ||
2103 | phead = get_list_head(pframequeue); | |
2104 | plist = get_next(phead); | |
2105 | ||
2106 | while (!rtw_end_of_queue_search(phead, plist)) { | |
2107 | pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); | |
2108 | ||
2109 | plist = get_next(plist); | |
2110 | ||
2111 | xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); | |
2112 | ||
2113 | pattrib = &pxmitframe->attrib; | |
2114 | ||
2115 | ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); | |
2116 | ||
2117 | ptxservq->qcnt--; | |
2118 | phwxmits[ac_index].accnt--; | |
2119 | } | |
2120 | } | |
2121 | ||
2122 | void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) | |
2123 | { | |
2124 | unsigned long irql0; | |
2125 | struct sta_info *psta_bmc; | |
2126 | struct sta_xmit_priv *pstaxmitpriv; | |
2127 | struct sta_priv *pstapriv = &padapter->stapriv; | |
2128 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
2129 | ||
2130 | pstaxmitpriv = &psta->sta_xmitpriv; | |
2131 | ||
2132 | /* for BC/MC Frames */ | |
2133 | psta_bmc = rtw_get_bcmc_stainfo(padapter); | |
2134 | ||
2135 | _enter_critical_bh(&pxmitpriv->lock, &irql0); | |
2136 | ||
2137 | psta->state |= WIFI_SLEEP_STATE; | |
2138 | ||
2139 | pstapriv->sta_dz_bitmap |= BIT(psta->aid); | |
2140 | ||
2141 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); | |
2142 | rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending)); | |
2143 | ||
2144 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); | |
2145 | rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending)); | |
2146 | ||
2147 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); | |
2148 | rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); | |
2149 | ||
2150 | dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); | |
2151 | rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending)); | |
2152 | ||
2153 | /* for BC/MC Frames */ | |
2154 | pstaxmitpriv = &psta_bmc->sta_xmitpriv; | |
2155 | dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); | |
2156 | rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); | |
2157 | ||
2158 | _exit_critical_bh(&pxmitpriv->lock, &irql0); | |
2159 | } | |
2160 | ||
2161 | void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) | |
2162 | { | |
2163 | unsigned long irql; | |
2164 | u8 update_mask = 0, wmmps_ac = 0; | |
2165 | struct sta_info *psta_bmc; | |
2166 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
2167 | struct xmit_frame *pxmitframe = NULL; | |
2168 | struct sta_priv *pstapriv = &padapter->stapriv; | |
2169 | ||
2170 | _enter_critical_bh(&psta->sleep_q.lock, &irql); | |
2171 | ||
2172 | xmitframe_phead = get_list_head(&psta->sleep_q); | |
2173 | xmitframe_plist = get_next(xmitframe_phead); | |
2174 | ||
2175 | while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { | |
2176 | pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); | |
2177 | ||
2178 | xmitframe_plist = get_next(xmitframe_plist); | |
2179 | ||
2180 | rtw_list_delete(&pxmitframe->list); | |
2181 | ||
2182 | switch (pxmitframe->attrib.priority) { | |
2183 | case 1: | |
2184 | case 2: | |
2185 | wmmps_ac = psta->uapsd_bk&BIT(1); | |
2186 | break; | |
2187 | case 4: | |
2188 | case 5: | |
2189 | wmmps_ac = psta->uapsd_vi&BIT(1); | |
2190 | break; | |
2191 | case 6: | |
2192 | case 7: | |
2193 | wmmps_ac = psta->uapsd_vo&BIT(1); | |
2194 | break; | |
2195 | case 0: | |
2196 | case 3: | |
2197 | default: | |
2198 | wmmps_ac = psta->uapsd_be&BIT(1); | |
2199 | break; | |
2200 | } | |
2201 | ||
2202 | psta->sleepq_len--; | |
2203 | if (psta->sleepq_len > 0) | |
2204 | pxmitframe->attrib.mdata = 1; | |
2205 | else | |
2206 | pxmitframe->attrib.mdata = 0; | |
2207 | ||
2208 | if (wmmps_ac) { | |
2209 | psta->sleepq_ac_len--; | |
2210 | if (psta->sleepq_ac_len > 0) { | |
2211 | pxmitframe->attrib.mdata = 1; | |
2212 | pxmitframe->attrib.eosp = 0; | |
2213 | } else { | |
2214 | pxmitframe->attrib.mdata = 0; | |
2215 | pxmitframe->attrib.eosp = 1; | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | pxmitframe->attrib.triggered = 1; | |
2220 | ||
2221 | _exit_critical_bh(&psta->sleep_q.lock, &irql); | |
2222 | if (rtw_hal_xmit(padapter, pxmitframe)) | |
2223 | rtw_os_xmit_complete(padapter, pxmitframe); | |
2224 | _enter_critical_bh(&psta->sleep_q.lock, &irql); | |
2225 | } | |
2226 | ||
2227 | if (psta->sleepq_len == 0) { | |
2228 | pstapriv->tim_bitmap &= ~BIT(psta->aid); | |
2229 | ||
2230 | update_mask = BIT(0); | |
2231 | ||
2232 | if (psta->state&WIFI_SLEEP_STATE) | |
2233 | psta->state ^= WIFI_SLEEP_STATE; | |
2234 | ||
2235 | if (psta->state & WIFI_STA_ALIVE_CHK_STATE) { | |
2236 | psta->expire_to = pstapriv->expire_to; | |
2237 | psta->state ^= WIFI_STA_ALIVE_CHK_STATE; | |
2238 | } | |
2239 | ||
2240 | pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); | |
2241 | } | |
2242 | ||
2243 | _exit_critical_bh(&psta->sleep_q.lock, &irql); | |
2244 | ||
2245 | /* for BC/MC Frames */ | |
2246 | psta_bmc = rtw_get_bcmc_stainfo(padapter); | |
2247 | if (!psta_bmc) | |
2248 | return; | |
2249 | ||
2250 | if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */ | |
2251 | _enter_critical_bh(&psta_bmc->sleep_q.lock, &irql); | |
2252 | ||
2253 | xmitframe_phead = get_list_head(&psta_bmc->sleep_q); | |
2254 | xmitframe_plist = get_next(xmitframe_phead); | |
2255 | ||
2256 | while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { | |
2257 | pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); | |
2258 | ||
2259 | xmitframe_plist = get_next(xmitframe_plist); | |
2260 | ||
2261 | rtw_list_delete(&pxmitframe->list); | |
2262 | ||
2263 | psta_bmc->sleepq_len--; | |
2264 | if (psta_bmc->sleepq_len > 0) | |
2265 | pxmitframe->attrib.mdata = 1; | |
2266 | else | |
2267 | pxmitframe->attrib.mdata = 0; | |
2268 | ||
2269 | pxmitframe->attrib.triggered = 1; | |
2270 | ||
2271 | _exit_critical_bh(&psta_bmc->sleep_q.lock, &irql); | |
2272 | if (rtw_hal_xmit(padapter, pxmitframe)) | |
2273 | rtw_os_xmit_complete(padapter, pxmitframe); | |
2274 | _enter_critical_bh(&psta_bmc->sleep_q.lock, &irql); | |
2275 | } | |
2276 | ||
2277 | if (psta_bmc->sleepq_len == 0) { | |
2278 | pstapriv->tim_bitmap &= ~BIT(0); | |
2279 | pstapriv->sta_dz_bitmap &= ~BIT(0); | |
2280 | ||
2281 | update_mask |= BIT(1); | |
2282 | } | |
2283 | ||
2284 | _exit_critical_bh(&psta_bmc->sleep_q.lock, &irql); | |
2285 | } | |
2286 | ||
2287 | if (update_mask) | |
2288 | update_beacon(padapter, _TIM_IE_, NULL, false); | |
2289 | } | |
2290 | ||
2291 | void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta) | |
2292 | { | |
2293 | unsigned long irql; | |
2294 | u8 wmmps_ac = 0; | |
2295 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
2296 | struct xmit_frame *pxmitframe = NULL; | |
2297 | struct sta_priv *pstapriv = &padapter->stapriv; | |
2298 | ||
2299 | _enter_critical_bh(&psta->sleep_q.lock, &irql); | |
2300 | ||
2301 | xmitframe_phead = get_list_head(&psta->sleep_q); | |
2302 | xmitframe_plist = get_next(xmitframe_phead); | |
2303 | ||
2304 | while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { | |
2305 | pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); | |
2306 | ||
2307 | xmitframe_plist = get_next(xmitframe_plist); | |
2308 | ||
2309 | switch (pxmitframe->attrib.priority) { | |
2310 | case 1: | |
2311 | case 2: | |
2312 | wmmps_ac = psta->uapsd_bk&BIT(1); | |
2313 | break; | |
2314 | case 4: | |
2315 | case 5: | |
2316 | wmmps_ac = psta->uapsd_vi&BIT(1); | |
2317 | break; | |
2318 | case 6: | |
2319 | case 7: | |
2320 | wmmps_ac = psta->uapsd_vo&BIT(1); | |
2321 | break; | |
2322 | case 0: | |
2323 | case 3: | |
2324 | default: | |
2325 | wmmps_ac = psta->uapsd_be&BIT(1); | |
2326 | break; | |
2327 | } | |
2328 | ||
2329 | if (!wmmps_ac) | |
2330 | continue; | |
2331 | ||
2332 | rtw_list_delete(&pxmitframe->list); | |
2333 | ||
2334 | psta->sleepq_len--; | |
2335 | psta->sleepq_ac_len--; | |
2336 | ||
2337 | if (psta->sleepq_ac_len > 0) { | |
2338 | pxmitframe->attrib.mdata = 1; | |
2339 | pxmitframe->attrib.eosp = 0; | |
2340 | } else { | |
2341 | pxmitframe->attrib.mdata = 0; | |
2342 | pxmitframe->attrib.eosp = 1; | |
2343 | } | |
2344 | ||
2345 | pxmitframe->attrib.triggered = 1; | |
2346 | ||
2347 | if (rtw_hal_xmit(padapter, pxmitframe) == true) | |
2348 | rtw_os_xmit_complete(padapter, pxmitframe); | |
2349 | ||
2350 | if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) { | |
2351 | pstapriv->tim_bitmap &= ~BIT(psta->aid); | |
2352 | ||
2353 | /* upate BCN for TIM IE */ | |
2354 | update_beacon(padapter, _TIM_IE_, NULL, false); | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | _exit_critical_bh(&psta->sleep_q.lock, &irql); | |
2359 | } | |
2360 | ||
2361 | #endif | |
2362 | ||
2363 | void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) | |
2364 | { | |
2365 | sctx->timeout_ms = timeout_ms; | |
2366 | sctx->submit_time = rtw_get_current_time(); | |
2367 | init_completion(&sctx->done); | |
2368 | sctx->status = RTW_SCTX_SUBMITTED; | |
2369 | } | |
2370 | ||
2371 | int rtw_sctx_wait(struct submit_ctx *sctx) | |
2372 | { | |
2373 | int ret = _FAIL; | |
2374 | unsigned long expire; | |
2375 | int status = 0; | |
2376 | ||
2377 | expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; | |
2378 | if (!wait_for_completion_timeout(&sctx->done, expire)) { | |
2379 | /* timeout, do something?? */ | |
2380 | status = RTW_SCTX_DONE_TIMEOUT; | |
2381 | DBG_88E("%s timeout\n", __func__); | |
2382 | } else { | |
2383 | status = sctx->status; | |
2384 | } | |
2385 | ||
2386 | if (status == RTW_SCTX_DONE_SUCCESS) | |
2387 | ret = _SUCCESS; | |
2388 | ||
2389 | return ret; | |
2390 | } | |
2391 | ||
2392 | static bool rtw_sctx_chk_waring_status(int status) | |
2393 | { | |
2394 | switch (status) { | |
2395 | case RTW_SCTX_DONE_UNKNOWN: | |
2396 | case RTW_SCTX_DONE_BUF_ALLOC: | |
2397 | case RTW_SCTX_DONE_BUF_FREE: | |
2398 | ||
2399 | case RTW_SCTX_DONE_DRV_STOP: | |
2400 | case RTW_SCTX_DONE_DEV_REMOVE: | |
2401 | return true; | |
2402 | default: | |
2403 | return false; | |
2404 | } | |
2405 | } | |
2406 | ||
2407 | void rtw_sctx_done_err(struct submit_ctx **sctx, int status) | |
2408 | { | |
2409 | if (*sctx) { | |
2410 | if (rtw_sctx_chk_waring_status(status)) | |
2411 | DBG_88E("%s status:%d\n", __func__, status); | |
2412 | (*sctx)->status = status; | |
2413 | complete(&((*sctx)->done)); | |
2414 | *sctx = NULL; | |
2415 | } | |
2416 | } | |
2417 | ||
2418 | void rtw_sctx_done(struct submit_ctx **sctx) | |
2419 | { | |
2420 | rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); | |
2421 | } | |
2422 | ||
2423 | int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) | |
2424 | { | |
2425 | struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; | |
2426 | ||
2427 | pack_tx_ops->submit_time = rtw_get_current_time(); | |
2428 | pack_tx_ops->timeout_ms = timeout_ms; | |
2429 | pack_tx_ops->status = RTW_SCTX_SUBMITTED; | |
2430 | ||
2431 | return rtw_sctx_wait(pack_tx_ops); | |
2432 | } | |
2433 | ||
2434 | void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) | |
2435 | { | |
2436 | struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; | |
2437 | ||
2438 | if (pxmitpriv->ack_tx) | |
2439 | rtw_sctx_done_err(&pack_tx_ops, status); | |
2440 | else | |
2441 | DBG_88E("%s ack_tx not set\n", __func__); | |
2442 | } |