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spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / drivers / net / wireless / rtlwifi / rtl8192cu / trx.c
blobb3cc7b9499927d3db75af87c0d1d2ebcd66e8b3b
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include "../wifi.h"
31 #include "../usb.h"
32 #include "../ps.h"
33 #include "../base.h"
34 #include "reg.h"
35 #include "def.h"
36 #include "phy.h"
37 #include "rf.h"
38 #include "dm.h"
39 #include "mac.h"
40 #include "trx.h"
41
42 static int _ConfigVerTOutEP(struct ieee80211_hw *hw)
43 {
44 u8 ep_cfg, txqsele;
45 u8 ep_nums = 0;
46
47 struct rtl_priv *rtlpriv = rtl_priv(hw);
48 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
49 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
50
51 rtlusb->out_queue_sel = 0;
52 ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL);
53 ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT;
54 switch (ep_cfg) {
55 case 0: /* 2 bulk OUT, 1 bulk IN */
56 case 3:
57 rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ;
58 ep_nums = 2;
59 break;
60 case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */
61 case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */
62 txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS);
63 if (txqsele & 0x0F) /* /map all endpoint to High queue */
64 rtlusb->out_queue_sel = TX_SELE_HQ;
65 else if (txqsele&0xF0) /* map all endpoint to Low queue */
66 rtlusb->out_queue_sel = TX_SELE_LQ;
67 ep_nums = 1;
68 break;
69 default:
70 break;
71 }
72 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
73 }
74
75 static int _ConfigVerNOutEP(struct ieee80211_hw *hw)
76 {
77 u8 ep_cfg;
78 u8 ep_nums = 0;
79
80 struct rtl_priv *rtlpriv = rtl_priv(hw);
81 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
82 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
83
84 rtlusb->out_queue_sel = 0;
85 /* Normal and High queue */
86 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1));
87 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
88 rtlusb->out_queue_sel |= TX_SELE_HQ;
89 ep_nums++;
90 }
91 if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) {
92 rtlusb->out_queue_sel |= TX_SELE_NQ;
93 ep_nums++;
94 }
95 /* Low queue */
96 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2));
97 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
98 rtlusb->out_queue_sel |= TX_SELE_LQ;
99 ep_nums++;
100 }
101 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
102 }
103
104 static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB,
105 bool bwificfg, struct rtl_ep_map *ep_map)
106 {
107 struct rtl_priv *rtlpriv = rtl_priv(hw);
108
109 if (bwificfg) { /* for WMM */
110 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
111 ("USB Chip-B & WMM Setting.....\n"));
112 ep_map->ep_mapping[RTL_TXQ_BE] = 2;
113 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
114 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
115 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
116 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
117 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
118 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
119 } else { /* typical setting */
120 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
121 ("USB typical Setting.....\n"));
122 ep_map->ep_mapping[RTL_TXQ_BE] = 3;
123 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
124 ep_map->ep_mapping[RTL_TXQ_VI] = 2;
125 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
126 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
127 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
128 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
129 }
130 }
131
132 static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool bwificfg,
133 struct rtl_ep_map *ep_map)
134 {
135 struct rtl_priv *rtlpriv = rtl_priv(hw);
136 if (bwificfg) { /* for WMM */
137 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
138 ("USB 3EP Setting for WMM.....\n"));
139 ep_map->ep_mapping[RTL_TXQ_BE] = 5;
140 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
141 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
142 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
143 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
144 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
145 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
146 } else { /* typical setting */
147 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
148 ("USB 3EP Setting for typical.....\n"));
149 ep_map->ep_mapping[RTL_TXQ_BE] = 5;
150 ep_map->ep_mapping[RTL_TXQ_BK] = 5;
151 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
152 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
153 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
154 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
155 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
156 }
157 }
158
159 static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map)
160 {
161 ep_map->ep_mapping[RTL_TXQ_BE] = 2;
162 ep_map->ep_mapping[RTL_TXQ_BK] = 2;
163 ep_map->ep_mapping[RTL_TXQ_VI] = 2;
164 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
165 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
166 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
167 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
168 }
169 static int _out_ep_mapping(struct ieee80211_hw *hw)
170 {
171 int err = 0;
172 bool bIsChipN, bwificfg = false;
173 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
174 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
175 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
176 struct rtl_ep_map *ep_map = &(rtlusb->ep_map);
177
178 bIsChipN = IS_NORMAL_CHIP(rtlhal->version);
179 switch (rtlusb->out_ep_nums) {
180 case 2:
181 _TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map);
182 break;
183 case 3:
184 /* Test chip doesn't support three out EPs. */
185 if (!bIsChipN) {
186 err = -EINVAL;
187 goto err_out;
188 }
189 _ThreeOutEpMapping(hw, bIsChipN, ep_map);
190 break;
191 case 1:
192 _OneOutEpMapping(hw, ep_map);
193 break;
194 default:
195 err = -EINVAL;
196 break;
197 }
198 err_out:
199 return err;
200
201 }
202 /* endpoint mapping */
203 int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw)
204 {
205 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
206 int error = 0;
207 if (likely(IS_NORMAL_CHIP(rtlhal->version)))
208 error = _ConfigVerNOutEP(hw);
209 else
210 error = _ConfigVerTOutEP(hw);
211 if (error)
212 goto err_out;
213 error = _out_ep_mapping(hw);
214 if (error)
215 goto err_out;
216 err_out:
217 return error;
218 }
219
220 u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
221 {
222 u16 hw_queue_index;
223
224 if (unlikely(ieee80211_is_beacon(fc))) {
225 hw_queue_index = RTL_TXQ_BCN;
226 goto out;
227 }
228 if (ieee80211_is_mgmt(fc)) {
229 hw_queue_index = RTL_TXQ_MGT;
230 goto out;
231 }
232 switch (mac80211_queue_index) {
233 case 0:
234 hw_queue_index = RTL_TXQ_VO;
235 break;
236 case 1:
237 hw_queue_index = RTL_TXQ_VI;
238 break;
239 case 2:
240 hw_queue_index = RTL_TXQ_BE;
241 break;
242 case 3:
243 hw_queue_index = RTL_TXQ_BK;
244 break;
245 default:
246 hw_queue_index = RTL_TXQ_BE;
247 RT_ASSERT(false, ("QSLT_BE queue, skb_queue:%d\n",
248 mac80211_queue_index));
249 break;
250 }
251 out:
252 return hw_queue_index;
253 }
254
255 static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw,
256 __le16 fc, u16 mac80211_queue_index)
257 {
258 enum rtl_desc_qsel qsel;
259 struct rtl_priv *rtlpriv = rtl_priv(hw);
260
261 if (unlikely(ieee80211_is_beacon(fc))) {
262 qsel = QSLT_BEACON;
263 goto out;
264 }
265 if (ieee80211_is_mgmt(fc)) {
266 qsel = QSLT_MGNT;
267 goto out;
268 }
269 switch (mac80211_queue_index) {
270 case 0: /* VO */
271 qsel = QSLT_VO;
272 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
273 ("VO queue, set qsel = 0x%x\n", QSLT_VO));
274 break;
275 case 1: /* VI */
276 qsel = QSLT_VI;
277 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
278 ("VI queue, set qsel = 0x%x\n", QSLT_VI));
279 break;
280 case 3: /* BK */
281 qsel = QSLT_BK;
282 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
283 ("BK queue, set qsel = 0x%x\n", QSLT_BK));
284 break;
285 case 2: /* BE */
286 default:
287 qsel = QSLT_BE;
288 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
289 ("BE queue, set qsel = 0x%x\n", QSLT_BE));
290 break;
291 }
292 out:
293 return qsel;
294 }
295
296 /* =============================================================== */
297
298 /*----------------------------------------------------------------------
299 *
300 * Rx handler
301 *
302 *---------------------------------------------------------------------- */
303 bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
304 struct rtl_stats *stats,
305 struct ieee80211_rx_status *rx_status,
306 u8 *p_desc, struct sk_buff *skb)
307 {
308 struct rx_fwinfo_92c *p_drvinfo;
309 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
310 u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc);
311
312 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
313 stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) *
314 RX_DRV_INFO_SIZE_UNIT;
315 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
316 stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
317 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
318 stats->hwerror = (stats->crc | stats->icv);
319 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
320 stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc);
321 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
322 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
323 stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
324 && (GET_RX_DESC_FAGGR(pdesc) == 1));
325 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
326 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
327 rx_status->freq = hw->conf.channel->center_freq;
328 rx_status->band = hw->conf.channel->band;
329 if (GET_RX_DESC_CRC32(pdesc))
330 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
331 if (!GET_RX_DESC_SWDEC(pdesc))
332 rx_status->flag |= RX_FLAG_DECRYPTED;
333 if (GET_RX_DESC_BW(pdesc))
334 rx_status->flag |= RX_FLAG_40MHZ;
335 if (GET_RX_DESC_RX_HT(pdesc))
336 rx_status->flag |= RX_FLAG_HT;
337 rx_status->flag |= RX_FLAG_MACTIME_MPDU;
338 if (stats->decrypted)
339 rx_status->flag |= RX_FLAG_DECRYPTED;
340 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
341 (bool)GET_RX_DESC_RX_HT(pdesc),
342 (u8)GET_RX_DESC_RX_MCS(pdesc),
343 (bool)GET_RX_DESC_PAGGR(pdesc));
344 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
345 if (phystatus) {
346 p_drvinfo = (struct rx_fwinfo_92c *)(pdesc + RTL_RX_DESC_SIZE);
347 rtl92c_translate_rx_signal_stuff(hw, skb, stats, pdesc,
348 p_drvinfo);
349 }
350 /*rx_status->qual = stats->signal; */
351 rx_status->signal = stats->rssi + 10;
352 /*rx_status->noise = -stats->noise; */
353 return true;
354 }
355
356 #define RTL_RX_DRV_INFO_UNIT 8
357
358 static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
359 {
360 struct ieee80211_rx_status *rx_status =
361 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb);
362 u32 skb_len, pkt_len, drvinfo_len;
363 struct rtl_priv *rtlpriv = rtl_priv(hw);
364 u8 *rxdesc;
365 struct rtl_stats stats = {
366 .signal = 0,
367 .noise = -98,
368 .rate = 0,
369 };
370 struct rx_fwinfo_92c *p_drvinfo;
371 bool bv;
372 __le16 fc;
373 struct ieee80211_hdr *hdr;
374
375 memset(rx_status, 0, sizeof(*rx_status));
376 rxdesc = skb->data;
377 skb_len = skb->len;
378 drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT);
379 pkt_len = GET_RX_DESC_PKT_LEN(rxdesc);
380 /* TODO: Error recovery. drop this skb or something. */
381 WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len));
382 stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc);
383 stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) *
384 RX_DRV_INFO_SIZE_UNIT;
385 stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03);
386 stats.icv = (u16) GET_RX_DESC_ICV(rxdesc);
387 stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc);
388 stats.hwerror = (stats.crc | stats.icv);
389 stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc);
390 stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc);
391 stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc);
392 stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1)
393 && (GET_RX_DESC_FAGGR(rxdesc) == 1));
394 stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc);
395 stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc);
396 /* TODO: is center_freq changed when doing scan? */
397 /* TODO: Shall we add protection or just skip those two step? */
398 rx_status->freq = hw->conf.channel->center_freq;
399 rx_status->band = hw->conf.channel->band;
400 if (GET_RX_DESC_CRC32(rxdesc))
401 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
402 if (!GET_RX_DESC_SWDEC(rxdesc))
403 rx_status->flag |= RX_FLAG_DECRYPTED;
404 if (GET_RX_DESC_BW(rxdesc))
405 rx_status->flag |= RX_FLAG_40MHZ;
406 if (GET_RX_DESC_RX_HT(rxdesc))
407 rx_status->flag |= RX_FLAG_HT;
408 /* Data rate */
409 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
410 (bool)GET_RX_DESC_RX_HT(rxdesc),
411 (u8)GET_RX_DESC_RX_MCS(rxdesc),
412 (bool)GET_RX_DESC_PAGGR(rxdesc));
413 /* There is a phy status after this rx descriptor. */
414 if (GET_RX_DESC_PHY_STATUS(rxdesc)) {
415 p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE);
416 rtl92c_translate_rx_signal_stuff(hw, skb, &stats,
417 (struct rx_desc_92c *)rxdesc, p_drvinfo);
418 }
419 skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE));
420 hdr = (struct ieee80211_hdr *)(skb->data);
421 fc = hdr->frame_control;
422 bv = ieee80211_is_probe_resp(fc);
423 if (bv)
424 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
425 ("Got probe response frame.\n"));
426 if (ieee80211_is_beacon(fc))
427 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
428 ("Got beacon frame.\n"));
429 if (ieee80211_is_data(fc))
430 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("Got data frame.\n"));
431 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
432 ("Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:"
433 "0x%02X\n", fc, (u32)hdr->addr1[0], (u32)hdr->addr1[1],
434 (u32)hdr->addr1[2], (u32)hdr->addr1[3], (u32)hdr->addr1[4],
435 (u32)hdr->addr1[5]));
436 memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
437 ieee80211_rx_irqsafe(hw, skb);
438 }
439
440 void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb)
441 {
442 _rtl_rx_process(hw, skb);
443 }
444
445 void rtl8192c_rx_segregate_hdl(
446 struct ieee80211_hw *hw,
447 struct sk_buff *skb,
448 struct sk_buff_head *skb_list)
449 {
450 }
451
452 /*----------------------------------------------------------------------
453 *
454 * Tx handler
455 *
456 *---------------------------------------------------------------------- */
457 void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb)
458 {
459 }
460
461 int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
462 struct sk_buff *skb)
463 {
464 return 0;
465 }
466
467 struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw,
468 struct sk_buff_head *list)
469 {
470 return skb_dequeue(list);
471 }
472
473 /*======================================== trx ===============================*/
474
475 static void _rtl_fill_usb_tx_desc(u8 *txdesc)
476 {
477 SET_TX_DESC_OWN(txdesc, 1);
478 SET_TX_DESC_LAST_SEG(txdesc, 1);
479 SET_TX_DESC_FIRST_SEG(txdesc, 1);
480 }
481 /**
482 * For HW recovery information
483 */
484 static void _rtl_tx_desc_checksum(u8 *txdesc)
485 {
486 u16 *ptr = (u16 *)txdesc;
487 u16 checksum = 0;
488 u32 index;
489
490 /* Clear first */
491 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0);
492 for (index = 0; index < 16; index++)
493 checksum = checksum ^ (*(ptr + index));
494 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, cpu_to_le16(checksum));
495 }
496
497 void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
498 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
499 struct ieee80211_tx_info *info, struct sk_buff *skb,
500 u8 queue_index,
501 struct rtl_tcb_desc *tcb_desc)
502 {
503 struct rtl_priv *rtlpriv = rtl_priv(hw);
504 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
505 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
506 bool defaultadapter = true;
507 struct ieee80211_sta *sta = info->control.sta = info->control.sta;
508 u8 *qc = ieee80211_get_qos_ctl(hdr);
509 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
510 u16 seq_number;
511 __le16 fc = hdr->frame_control;
512 u8 rate_flag = info->control.rates[0].flags;
513 u16 pktlen = skb->len;
514 enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc,
515 skb_get_queue_mapping(skb));
516 u8 *txdesc;
517
518 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
519 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
520 txdesc = (u8 *)skb_push(skb, RTL_TX_HEADER_SIZE);
521 memset(txdesc, 0, RTL_TX_HEADER_SIZE);
522 SET_TX_DESC_PKT_SIZE(txdesc, pktlen);
523 SET_TX_DESC_LINIP(txdesc, 0);
524 SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET);
525 SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE);
526 SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate);
527 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
528 SET_TX_DESC_DATA_SHORTGI(txdesc, 1);
529 if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
530 info->flags & IEEE80211_TX_CTL_AMPDU) {
531 SET_TX_DESC_AGG_ENABLE(txdesc, 1);
532 SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14);
533 } else {
534 SET_TX_DESC_AGG_BREAK(txdesc, 1);
535 }
536 SET_TX_DESC_SEQ(txdesc, seq_number);
537 SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable &&
538 !tcb_desc->cts_enable) ? 1 : 0));
539 SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable ||
540 tcb_desc->cts_enable) ? 1 : 0));
541 SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0));
542 SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
543 SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate);
544 SET_TX_DESC_RTS_BW(txdesc, 0);
545 SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc);
546 SET_TX_DESC_RTS_SHORT(txdesc,
547 ((tcb_desc->rts_rate <= DESC92_RATE54M) ?
548 (tcb_desc->rts_use_shortpreamble ? 1 : 0)
549 : (tcb_desc->rts_use_shortgi ? 1 : 0)));
550 if (mac->bw_40) {
551 if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
552 SET_TX_DESC_DATA_BW(txdesc, 1);
553 SET_TX_DESC_DATA_SC(txdesc, 3);
554 } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
555 SET_TX_DESC_DATA_BW(txdesc, 1);
556 SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc);
557 } else {
558 SET_TX_DESC_DATA_BW(txdesc, 0);
559 SET_TX_DESC_DATA_SC(txdesc, 0);
560 }
561 } else {
562 SET_TX_DESC_DATA_BW(txdesc, 0);
563 SET_TX_DESC_DATA_SC(txdesc, 0);
564 }
565 rcu_read_lock();
566 sta = ieee80211_find_sta(mac->vif, mac->bssid);
567 if (sta) {
568 u8 ampdu_density = sta->ht_cap.ampdu_density;
569 SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density);
570 }
571 rcu_read_unlock();
572 if (info->control.hw_key) {
573 struct ieee80211_key_conf *keyconf = info->control.hw_key;
574 switch (keyconf->cipher) {
575 case WLAN_CIPHER_SUITE_WEP40:
576 case WLAN_CIPHER_SUITE_WEP104:
577 case WLAN_CIPHER_SUITE_TKIP:
578 SET_TX_DESC_SEC_TYPE(txdesc, 0x1);
579 break;
580 case WLAN_CIPHER_SUITE_CCMP:
581 SET_TX_DESC_SEC_TYPE(txdesc, 0x3);
582 break;
583 default:
584 SET_TX_DESC_SEC_TYPE(txdesc, 0x0);
585 break;
586 }
587 }
588 SET_TX_DESC_PKT_ID(txdesc, 0);
589 SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel);
590 SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F);
591 SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF);
592 SET_TX_DESC_DISABLE_FB(txdesc, 0);
593 SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0);
594 if (ieee80211_is_data_qos(fc)) {
595 if (mac->rdg_en) {
596 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
597 ("Enable RDG function.\n"));
598 SET_TX_DESC_RDG_ENABLE(txdesc, 1);
599 SET_TX_DESC_HTC(txdesc, 1);
600 }
601 }
602 if (rtlpriv->dm.useramask) {
603 SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index);
604 SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id);
605 } else {
606 SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index);
607 SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index);
608 }
609 if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps &&
610 ppsc->fwctrl_lps) {
611 SET_TX_DESC_HWSEQ_EN(txdesc, 1);
612 SET_TX_DESC_PKT_ID(txdesc, 8);
613 if (!defaultadapter)
614 SET_TX_DESC_QOS(txdesc, 1);
615 }
616 if (ieee80211_has_morefrags(fc))
617 SET_TX_DESC_MORE_FRAG(txdesc, 1);
618 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
619 is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
620 SET_TX_DESC_BMC(txdesc, 1);
621 _rtl_fill_usb_tx_desc(txdesc);
622 _rtl_tx_desc_checksum(txdesc);
623 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, (" %s ==>\n", __func__));
624 }
625
626 void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,
627 u32 buffer_len, bool bIsPsPoll)
628 {
629 /* Clear all status */
630 memset(pDesc, 0, RTL_TX_HEADER_SIZE);
631 SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */
632 SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */
633 SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */
634 SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */
635 SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */
636 /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error
637 * vlaue by Hw. */
638 if (bIsPsPoll) {
639 SET_TX_DESC_NAV_USE_HDR(pDesc, 1);
640 } else {
641 SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */
642 SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */
643 }
644 SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */
645 SET_TX_DESC_OWN(pDesc, 1);
646 SET_TX_DESC_TX_RATE(pDesc, DESC92_RATE1M);
647 _rtl_tx_desc_checksum(pDesc);
648 }
649
650 void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw,
651 u8 *pdesc, bool firstseg,
652 bool lastseg, struct sk_buff *skb)
653 {
654 struct rtl_priv *rtlpriv = rtl_priv(hw);
655 u8 fw_queue = QSLT_BEACON;
656 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
657 __le16 fc = hdr->frame_control;
658
659 memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE);
660 if (firstseg)
661 SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE);
662 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
663 SET_TX_DESC_SEQ(pdesc, 0);
664 SET_TX_DESC_LINIP(pdesc, 0);
665 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
666 SET_TX_DESC_FIRST_SEG(pdesc, 1);
667 SET_TX_DESC_LAST_SEG(pdesc, 1);
668 SET_TX_DESC_RATE_ID(pdesc, 7);
669 SET_TX_DESC_MACID(pdesc, 0);
670 SET_TX_DESC_OWN(pdesc, 1);
671 SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
672 SET_TX_DESC_FIRST_SEG(pdesc, 1);
673 SET_TX_DESC_LAST_SEG(pdesc, 1);
674 SET_TX_DESC_OFFSET(pdesc, 0x20);
675 SET_TX_DESC_USE_RATE(pdesc, 1);
676 if (!ieee80211_is_data_qos(fc)) {
677 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
678 SET_TX_DESC_PKT_ID(pdesc, 8);
679 }
680 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content\n",
681 pdesc, RTL_TX_DESC_SIZE);
682 }
683
684 bool rtl92cu_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
685 {
686 return true;
687 }