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1 | /****************************************************************************** |
2 | * rtl8712_xmit.c | |
3 | * | |
4 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. | |
5 | * Linux device driver for RTL8192SU | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of version 2 of the GNU General Public License as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along with | |
17 | * this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
19 | * | |
20 | * Modifications for inclusion into the Linux staging tree are | |
21 | * Copyright(c) 2010 Larry Finger. All rights reserved. | |
22 | * | |
23 | * Contact information: | |
24 | * WLAN FAE <wlanfae@realtek.com> | |
25 | * Larry Finger <Larry.Finger@lwfinger.net> | |
26 | * | |
27 | ******************************************************************************/ | |
28 | ||
29 | #define _RTL8712_XMIT_C_ | |
30 | ||
31 | #include "osdep_service.h" | |
32 | #include "drv_types.h" | |
33 | #include "rtl871x_byteorder.h" | |
34 | #include "wifi.h" | |
35 | #include "osdep_intf.h" | |
36 | #include "usb_ops.h" | |
37 | ||
38 | static void dump_xframe(struct _adapter *padapter, | |
39 | struct xmit_frame *pxmitframe); | |
40 | ||
41 | sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag) | |
42 | { | |
43 | phw_txqueue->ac_tag = ac_tag; | |
44 | switch (ac_tag) { | |
45 | case BE_QUEUE_INX: | |
46 | phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ; | |
47 | break; | |
48 | case BK_QUEUE_INX: | |
49 | phw_txqueue->ff_hwaddr = RTL8712_DMA_BKQ; | |
50 | break; | |
51 | case VI_QUEUE_INX: | |
52 | phw_txqueue->ff_hwaddr = RTL8712_DMA_VIQ; | |
53 | break; | |
54 | case VO_QUEUE_INX: | |
55 | phw_txqueue->ff_hwaddr = RTL8712_DMA_VOQ; | |
56 | break; | |
57 | case BMC_QUEUE_INX: | |
58 | phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ; | |
59 | break; | |
60 | } | |
61 | return _SUCCESS; | |
62 | } | |
63 | ||
64 | int r8712_txframes_sta_ac_pending(struct _adapter *padapter, | |
65 | struct pkt_attrib *pattrib) | |
66 | { | |
67 | struct sta_info *psta; | |
68 | struct tx_servq *ptxservq; | |
69 | int priority = pattrib->priority; | |
70 | ||
71 | psta = pattrib->psta; | |
72 | switch (priority) { | |
73 | case 1: | |
74 | case 2: | |
75 | ptxservq = &(psta->sta_xmitpriv.bk_q); | |
76 | break; | |
77 | case 4: | |
78 | case 5: | |
79 | ptxservq = &(psta->sta_xmitpriv.vi_q); | |
80 | break; | |
81 | case 6: | |
82 | case 7: | |
83 | ptxservq = &(psta->sta_xmitpriv.vo_q); | |
84 | break; | |
85 | case 0: | |
86 | case 3: | |
87 | default: | |
88 | ptxservq = &(psta->sta_xmitpriv.be_q); | |
89 | break; | |
90 | } | |
91 | return ptxservq->qcnt; | |
92 | } | |
93 | ||
94 | static u32 get_ff_hwaddr(struct xmit_frame *pxmitframe) | |
95 | { | |
96 | u32 addr = 0; | |
97 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
98 | struct _adapter *padapter = pxmitframe->padapter; | |
99 | struct dvobj_priv *pdvobj = (struct dvobj_priv *)&padapter->dvobjpriv; | |
100 | ||
101 | if (pxmitframe->frame_tag == TXAGG_FRAMETAG) | |
102 | addr = RTL8712_DMA_H2CCMD; | |
103 | else if (pxmitframe->frame_tag == MGNT_FRAMETAG) | |
104 | addr = RTL8712_DMA_MGTQ; | |
105 | else if (pdvobj->nr_endpoint == 6) { | |
106 | switch (pattrib->priority) { | |
107 | case 0: | |
108 | case 3: | |
109 | addr = RTL8712_DMA_BEQ; | |
110 | break; | |
111 | case 1: | |
112 | case 2: | |
113 | addr = RTL8712_DMA_BKQ; | |
114 | break; | |
115 | case 4: | |
116 | case 5: | |
117 | addr = RTL8712_DMA_VIQ; | |
118 | break; | |
119 | case 6: | |
120 | case 7: | |
121 | addr = RTL8712_DMA_VOQ; | |
122 | break; | |
123 | case 0x10: | |
124 | case 0x11: | |
125 | case 0x12: | |
126 | case 0x13: | |
127 | addr = RTL8712_DMA_H2CCMD; | |
128 | break; | |
129 | default: | |
130 | addr = RTL8712_DMA_BEQ; | |
131 | break; | |
132 | } | |
133 | } else if (pdvobj->nr_endpoint == 4) { | |
134 | switch (pattrib->qsel) { | |
135 | case 0: | |
136 | case 3: | |
137 | case 1: | |
138 | case 2: | |
139 | addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/ | |
140 | break; | |
141 | case 4: | |
142 | case 5: | |
143 | case 6: | |
144 | case 7: | |
145 | addr = RTL8712_DMA_VOQ;/*RTL8712_EP_HI;*/ | |
146 | break; | |
147 | case 0x10: | |
148 | case 0x11: | |
149 | case 0x12: | |
150 | case 0x13: | |
859171ca | 151 | addr = RTL8712_DMA_H2CCMD; |
2865d42c LF |
152 | break; |
153 | default: | |
154 | addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/ | |
155 | break; | |
156 | } | |
157 | } | |
158 | return addr; | |
159 | } | |
160 | ||
161 | static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, | |
162 | struct hw_xmit *phwxmit, | |
163 | struct tx_servq *ptxservq, | |
164 | struct __queue *pframe_queue) | |
165 | { | |
166 | struct list_head *xmitframe_plist, *xmitframe_phead; | |
167 | struct xmit_frame *pxmitframe = NULL; | |
168 | ||
169 | xmitframe_phead = get_list_head(pframe_queue); | |
170 | xmitframe_plist = get_next(xmitframe_phead); | |
171 | if ((end_of_queue_search(xmitframe_phead, xmitframe_plist)) == false) { | |
172 | pxmitframe = LIST_CONTAINOR(xmitframe_plist, | |
173 | struct xmit_frame, list); | |
174 | list_delete(&pxmitframe->list); | |
175 | ptxservq->qcnt--; | |
176 | phwxmit->txcmdcnt++; | |
177 | } | |
178 | return pxmitframe; | |
179 | } | |
180 | ||
181 | static struct xmit_frame *dequeue_xframe_ex(struct xmit_priv *pxmitpriv, | |
182 | struct hw_xmit *phwxmit_i, sint entry) | |
183 | { | |
184 | unsigned long irqL0; | |
185 | struct list_head *sta_plist, *sta_phead; | |
186 | struct hw_xmit *phwxmit; | |
187 | struct tx_servq *ptxservq = NULL; | |
188 | struct __queue *pframe_queue = NULL; | |
189 | struct xmit_frame *pxmitframe = NULL; | |
190 | int i, inx[4]; | |
191 | int j, tmp, acirp_cnt[4]; | |
192 | ||
193 | /*entry indx: 0->vo, 1->vi, 2->be, 3->bk.*/ | |
194 | inx[0] = 0; acirp_cnt[0] = pxmitpriv->voq_cnt; | |
195 | inx[1] = 1; acirp_cnt[1] = pxmitpriv->viq_cnt; | |
196 | inx[2] = 2; acirp_cnt[2] = pxmitpriv->beq_cnt; | |
197 | inx[3] = 3; acirp_cnt[3] = pxmitpriv->bkq_cnt; | |
198 | for (i = 0; i < 4; i++) { | |
199 | for (j = i + 1; j < 4; j++) { | |
200 | if (acirp_cnt[j] < acirp_cnt[i]) { | |
201 | tmp = acirp_cnt[i]; | |
202 | acirp_cnt[i] = acirp_cnt[j]; | |
203 | acirp_cnt[j] = tmp; | |
204 | tmp = inx[i]; | |
205 | inx[i] = inx[j]; | |
206 | inx[j] = tmp; | |
207 | } | |
208 | } | |
209 | } | |
210 | spin_lock_irqsave(&pxmitpriv->lock, irqL0); | |
211 | for (i = 0; i < entry; i++) { | |
212 | phwxmit = phwxmit_i + inx[i]; | |
213 | sta_phead = get_list_head(phwxmit->sta_queue); | |
214 | sta_plist = get_next(sta_phead); | |
215 | while ((end_of_queue_search(sta_phead, sta_plist)) == false) { | |
216 | ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, | |
217 | tx_pending); | |
218 | pframe_queue = &ptxservq->sta_pending; | |
219 | pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, | |
220 | ptxservq, pframe_queue); | |
221 | if (pxmitframe) { | |
222 | phwxmit->accnt--; | |
223 | goto exit_dequeue_xframe_ex; | |
224 | } | |
225 | sta_plist = get_next(sta_plist); | |
226 | /*Remove sta node when there are no pending packets.*/ | |
227 | if (_queue_empty(pframe_queue)) { | |
228 | /*must be done after get_next and before break*/ | |
229 | list_delete(&ptxservq->tx_pending); | |
230 | } | |
231 | } | |
232 | } | |
233 | exit_dequeue_xframe_ex: | |
234 | spin_unlock_irqrestore(&pxmitpriv->lock, irqL0); | |
235 | return pxmitframe; | |
236 | } | |
237 | ||
238 | void r8712_do_queue_select(struct _adapter *padapter, | |
239 | struct pkt_attrib *pattrib) | |
240 | { | |
241 | u8 qsel = 0; | |
242 | struct dvobj_priv *pdvobj = (struct dvobj_priv *)&padapter->dvobjpriv; | |
243 | ||
244 | if (pdvobj->nr_endpoint == 6) | |
245 | qsel = pattrib->priority; | |
246 | else if (pdvobj->nr_endpoint == 4) | |
247 | qsel = pattrib->priority; | |
248 | pattrib->qsel = qsel; | |
249 | } | |
250 | ||
251 | static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz) | |
252 | { | |
253 | uint qsel; | |
254 | struct _adapter *padapter = pxmitframe->padapter; | |
255 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
256 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
257 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
258 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
259 | struct tx_desc *ptxdesc = (struct tx_desc *)pmem; | |
260 | struct dvobj_priv *pdvobj = (struct dvobj_priv *)&padapter->dvobjpriv; | |
261 | u8 blnSetTxDescOffset; | |
262 | sint bmcst = IS_MCAST(pattrib->ra); | |
263 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
264 | struct tx_desc txdesc_mp; | |
265 | ||
266 | memcpy(&txdesc_mp, ptxdesc, sizeof(struct tx_desc)); | |
267 | memset(ptxdesc, 0, sizeof(struct tx_desc)); | |
268 | /* offset 0 */ | |
269 | ptxdesc->txdw0 |= cpu_to_le32(sz&0x0000ffff); | |
270 | if (pdvobj->ishighspeed) { | |
271 | if (((sz + TXDESC_SIZE) % 512) == 0) | |
272 | blnSetTxDescOffset = 1; | |
273 | else | |
274 | blnSetTxDescOffset = 0; | |
275 | } else { | |
276 | if (((sz + TXDESC_SIZE) % 64) == 0) | |
277 | blnSetTxDescOffset = 1; | |
278 | else | |
279 | blnSetTxDescOffset = 0; | |
280 | } | |
281 | if (blnSetTxDescOffset) { | |
282 | /* 32 bytes for TX Desc + 8 bytes pending */ | |
283 | ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE+OFFSET_SZ + 8) << | |
284 | OFFSET_SHT) & 0x00ff0000); | |
285 | } else { | |
286 | /* default = 32 bytes for TX Desc */ | |
287 | ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE+OFFSET_SZ) << | |
288 | OFFSET_SHT) & 0x00ff0000); | |
289 | } | |
290 | ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); | |
291 | if (pxmitframe->frame_tag == DATA_FRAMETAG) { | |
292 | /* offset 4 */ | |
293 | ptxdesc->txdw1 |= cpu_to_le32((pattrib->mac_id)&0x1f); | |
294 | qsel = (uint)(pattrib->qsel & 0x0000001f); | |
295 | ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); | |
296 | if (!pqospriv->qos_option) | |
297 | ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/*Non-QoS*/ | |
298 | if ((pattrib->encrypt > 0) && !pattrib->bswenc) { | |
299 | switch (pattrib->encrypt) { /*SEC_TYPE*/ | |
300 | case _WEP40_: | |
301 | case _WEP104_: | |
302 | ptxdesc->txdw1 |= cpu_to_le32((0x01 << 22) & | |
303 | 0x00c00000); | |
304 | /*KEY_ID when WEP is used;*/ | |
305 | ptxdesc->txdw1 |= cpu_to_le32((psecuritypriv-> | |
306 | PrivacyKeyIndex << 17) & | |
307 | 0x00060000); | |
308 | break; | |
309 | case _TKIP_: | |
310 | case _TKIP_WTMIC_: | |
311 | ptxdesc->txdw1 |= cpu_to_le32((0x02 << 22) & | |
312 | 0x00c00000); | |
313 | break; | |
314 | case _AES_: | |
315 | ptxdesc->txdw1 |= cpu_to_le32((0x03 << 22) & | |
316 | 0x00c00000); | |
317 | break; | |
318 | case _NO_PRIVACY_: | |
319 | default: | |
320 | break; | |
321 | } | |
322 | } | |
323 | /*offset 8*/ | |
324 | if (bmcst) | |
325 | ptxdesc->txdw2 |= cpu_to_le32(BMC); | |
326 | ||
327 | /*offset 12*/ | |
328 | /* f/w will increase the seqnum by itself, driver pass the | |
329 | * correct priority to fw | |
330 | * fw will check the correct priority for increasing the | |
331 | * seqnum per tid. about usb using 4-endpoint, qsel points out | |
332 | * the correct mapping between AC&Endpoint, | |
333 | * the purpose is that correct mapping lets the MAC release | |
334 | * the AC Queue list correctly. */ | |
335 | ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) & | |
336 | 0x0fff0000); | |
337 | if ((pattrib->ether_type != 0x888e) && | |
338 | (pattrib->ether_type != 0x0806) && | |
339 | (pattrib->dhcp_pkt != 1)) { | |
340 | /*Not EAP & ARP type data packet*/ | |
341 | if (phtpriv->ht_option == 1) { /*B/G/N Mode*/ | |
342 | if (phtpriv->ampdu_enable != true) | |
343 | ptxdesc->txdw2 |= cpu_to_le32(BK); | |
344 | } | |
345 | } else { | |
346 | /* EAP data packet and ARP packet. | |
347 | * Use the 1M data rate to send the EAP/ARP packet. | |
348 | * This will maybe make the handshake smooth. | |
349 | */ | |
350 | /*driver uses data rate*/ | |
351 | ptxdesc->txdw4 = cpu_to_le32(0x80000000); | |
352 | ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/*1M*/ | |
353 | } | |
354 | if (pattrib->pctrl == 1) { /* mp tx packets */ | |
355 | struct tx_desc *ptxdesc_mp; | |
356 | ptxdesc_mp = &txdesc_mp; | |
357 | /* offset 8 */ | |
358 | ptxdesc->txdw2 = cpu_to_le32(ptxdesc_mp->txdw2); | |
359 | if (bmcst) | |
360 | ptxdesc->txdw2 |= cpu_to_le32(BMC); | |
361 | ptxdesc->txdw2 |= cpu_to_le32(BK); | |
362 | /* offset 16 */ | |
363 | ptxdesc->txdw4 = cpu_to_le32(ptxdesc_mp->txdw4); | |
364 | /* offset 20 */ | |
365 | ptxdesc->txdw5 = cpu_to_le32(ptxdesc_mp->txdw5); | |
366 | pattrib->pctrl = 0;/* reset to zero; */ | |
367 | } | |
368 | } else if (pxmitframe->frame_tag == MGNT_FRAMETAG) { | |
369 | /* offset 4 */ | |
370 | ptxdesc->txdw1 |= (0x05) & 0x1f;/*CAM_ID(MAC_ID), default=5;*/ | |
371 | qsel = (uint)(pattrib->qsel & 0x0000001f); | |
372 | ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); | |
373 | ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/* Non-QoS */ | |
374 | /* offset 8 */ | |
375 | if (bmcst) | |
376 | ptxdesc->txdw2 |= cpu_to_le32(BMC); | |
377 | /* offset 12 */ | |
378 | /* f/w will increase the seqnum by itself, driver pass the | |
379 | * correct priority to fw | |
380 | * fw will check the correct priority for increasing the seqnum | |
381 | * per tid. about usb using 4-endpoint, qsel points out the | |
382 | * correct mapping between AC&Endpoint, | |
383 | * the purpose is that correct mapping let the MAC releases | |
384 | * the AC Queue list correctly. */ | |
385 | ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) & | |
386 | 0x0fff0000); | |
387 | /* offset 16 */ | |
388 | ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/ | |
389 | /* offset 20 */ | |
390 | ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/* gtest 1M */ | |
391 | } else if (pxmitframe->frame_tag == TXAGG_FRAMETAG) { | |
392 | /* offset 4 */ | |
393 | qsel = 0x13; | |
394 | ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); | |
395 | } else { | |
396 | /* offset 4 */ | |
397 | qsel = (uint)(pattrib->priority&0x0000001f); | |
398 | ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); | |
399 | /*offset 8*/ | |
400 | /*offset 12*/ | |
401 | ptxdesc->txdw3 = cpu_to_le32((pattrib->seqnum << SEQ_SHT) & | |
402 | 0x0fff0000); | |
403 | /*offset 16*/ | |
404 | ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/ | |
405 | /*offset 20*/ | |
406 | ptxdesc->txdw5 = cpu_to_le32(0x001f9600);/*gtest*/ | |
407 | } | |
408 | } | |
409 | ||
410 | int r8712_xmitframe_complete(struct _adapter *padapter, | |
411 | struct xmit_priv *pxmitpriv, | |
412 | struct xmit_buf *pxmitbuf) | |
413 | { | |
414 | struct hw_xmit *phwxmits; | |
415 | sint hwentry; | |
416 | struct xmit_frame *pxmitframe = NULL; | |
417 | int res = _SUCCESS, xcnt = 0; | |
418 | ||
419 | phwxmits = pxmitpriv->hwxmits; | |
420 | hwentry = pxmitpriv->hwxmit_entry; | |
421 | if (pxmitbuf == NULL) { | |
422 | pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv); | |
423 | if (!pxmitbuf) | |
424 | return false; | |
425 | } | |
426 | do { | |
427 | pxmitframe = dequeue_xframe_ex(pxmitpriv, phwxmits, hwentry); | |
428 | if (pxmitframe) { | |
429 | pxmitframe->pxmitbuf = pxmitbuf; | |
430 | pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0]; | |
431 | pxmitframe->buf_addr = pxmitbuf->pbuf; | |
432 | if (pxmitframe->frame_tag == DATA_FRAMETAG) { | |
433 | if (pxmitframe->attrib.priority <= 15) | |
434 | res = r8712_xmitframe_coalesce(padapter, | |
435 | pxmitframe->pkt, pxmitframe); | |
436 | /* always return ndis_packet after | |
437 | * r8712_xmitframe_coalesce */ | |
438 | r8712_xmit_complete(padapter, pxmitframe); | |
439 | } | |
440 | if (res == _SUCCESS) | |
441 | dump_xframe(padapter, pxmitframe); | |
442 | else | |
443 | r8712_free_xmitframe_ex(pxmitpriv, pxmitframe); | |
444 | xcnt++; | |
445 | } else { | |
446 | r8712_free_xmitbuf(pxmitpriv, pxmitbuf); | |
447 | return false; | |
448 | } | |
449 | break; | |
450 | } while (0); | |
451 | return true; | |
452 | } | |
453 | ||
454 | static void dump_xframe(struct _adapter *padapter, | |
455 | struct xmit_frame *pxmitframe) | |
456 | { | |
457 | int t, sz, w_sz; | |
458 | u8 *mem_addr; | |
459 | u32 ff_hwaddr; | |
460 | struct pkt_attrib *pattrib = &pxmitframe->attrib; | |
461 | struct xmit_priv *pxmitpriv = &padapter->xmitpriv; | |
462 | struct security_priv *psecuritypriv = &padapter->securitypriv; | |
463 | ||
464 | if (pxmitframe->attrib.ether_type != 0x0806) { | |
465 | if (pxmitframe->attrib.ether_type != 0x888e) | |
466 | r8712_issue_addbareq_cmd(padapter, pattrib->priority); | |
467 | } | |
468 | mem_addr = pxmitframe->buf_addr; | |
469 | for (t = 0; t < pattrib->nr_frags; t++) { | |
470 | if (t != (pattrib->nr_frags - 1)) { | |
471 | sz = pxmitpriv->frag_len; | |
472 | sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : | |
473 | pattrib->icv_len); | |
474 | pxmitframe->last[t] = 0; | |
475 | } else { | |
476 | sz = pattrib->last_txcmdsz; | |
477 | pxmitframe->last[t] = 1; | |
478 | } | |
479 | update_txdesc(pxmitframe, (uint *)mem_addr, sz); | |
480 | w_sz = sz + TXDESC_SIZE; | |
481 | pxmitframe->mem_addr = mem_addr; | |
482 | pxmitframe->bpending[t] = false; | |
483 | ff_hwaddr = get_ff_hwaddr(pxmitframe); | |
484 | r8712_write_port(padapter, ff_hwaddr, w_sz, | |
485 | (unsigned char *)pxmitframe); | |
486 | mem_addr += w_sz; | |
487 | mem_addr = (u8 *)RND4(((addr_t)(mem_addr))); | |
488 | } | |
489 | } | |
490 | ||
491 | int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe) | |
492 | { | |
493 | int res = _SUCCESS; | |
494 | ||
495 | res = r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); | |
496 | pxmitframe->pkt = NULL; | |
497 | if (res == _SUCCESS) | |
498 | dump_xframe(padapter, pxmitframe); | |
499 | return res; | |
500 | } | |
501 | ||
502 | int r8712_xmit_enqueue(struct _adapter *padapter, struct xmit_frame *pxmitframe) | |
503 | { | |
504 | if (r8712_xmit_classifier(padapter, pxmitframe) == _FAIL) { | |
505 | pxmitframe->pkt = NULL; | |
506 | return _FAIL; | |
507 | } | |
508 | return _SUCCESS; | |
509 | } |