1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../usb.h"
6 #include "../ps.h"
7 #include "../base.h"
8 #include "reg.h"
9 #include "def.h"
10 #include "phy.h"
11 #include "rf.h"
12 #include "dm.h"
13 #include "mac.h"
14 #include "trx.h"
15 #include "../rtl8192c/fw_common.h"
16
configvertoutep(struct ieee80211_hw * hw)17 static int configvertoutep(struct ieee80211_hw *hw)
18 {
19 u8 ep_cfg, txqsele;
20 u8 ep_nums = 0;
21
22 struct rtl_priv *rtlpriv = rtl_priv(hw);
23 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
24 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
25
26 rtlusb->out_queue_sel = 0;
27 ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL);
28 ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT;
29 switch (ep_cfg) {
30 case 0: /* 2 bulk OUT, 1 bulk IN */
31 case 3:
32 rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ;
33 ep_nums = 2;
34 break;
35 case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */
36 case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */
37 txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS);
38 if (txqsele & 0x0F) /* /map all endpoint to High queue */
39 rtlusb->out_queue_sel = TX_SELE_HQ;
40 else if (txqsele&0xF0) /* map all endpoint to Low queue */
41 rtlusb->out_queue_sel = TX_SELE_LQ;
42 ep_nums = 1;
43 break;
44 default:
45 break;
46 }
47 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
48 }
49
configvernoutep(struct ieee80211_hw * hw)50 static int configvernoutep(struct ieee80211_hw *hw)
51 {
52 u8 ep_cfg;
53 u8 ep_nums = 0;
54
55 struct rtl_priv *rtlpriv = rtl_priv(hw);
56 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
57 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
58
59 rtlusb->out_queue_sel = 0;
60 /* Normal and High queue */
61 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1));
62 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
63 rtlusb->out_queue_sel |= TX_SELE_HQ;
64 ep_nums++;
65 }
66 if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) {
67 rtlusb->out_queue_sel |= TX_SELE_NQ;
68 ep_nums++;
69 }
70 /* Low queue */
71 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2));
72 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
73 rtlusb->out_queue_sel |= TX_SELE_LQ;
74 ep_nums++;
75 }
76 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
77 }
78
twooutepmapping(struct ieee80211_hw * hw,bool is_chip8,bool bwificfg,struct rtl_ep_map * ep_map)79 static void twooutepmapping(struct ieee80211_hw *hw, bool is_chip8,
80 bool bwificfg, struct rtl_ep_map *ep_map)
81 {
82 struct rtl_priv *rtlpriv = rtl_priv(hw);
83
84 if (bwificfg) { /* for WMM */
85 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
86 "USB Chip-B & WMM Setting.....\n");
87 ep_map->ep_mapping[RTL_TXQ_BE] = 2;
88 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
89 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
90 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
91 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
92 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
93 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
94 } else { /* typical setting */
95 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
96 "USB typical Setting.....\n");
97 ep_map->ep_mapping[RTL_TXQ_BE] = 3;
98 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
99 ep_map->ep_mapping[RTL_TXQ_VI] = 2;
100 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
101 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
102 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
103 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
104 }
105 }
106
threeoutepmapping(struct ieee80211_hw * hw,bool bwificfg,struct rtl_ep_map * ep_map)107 static void threeoutepmapping(struct ieee80211_hw *hw, bool bwificfg,
108 struct rtl_ep_map *ep_map)
109 {
110 struct rtl_priv *rtlpriv = rtl_priv(hw);
111
112 if (bwificfg) { /* for WMM */
113 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
114 "USB 3EP Setting for WMM.....\n");
115 ep_map->ep_mapping[RTL_TXQ_BE] = 5;
116 ep_map->ep_mapping[RTL_TXQ_BK] = 3;
117 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
118 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
119 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
120 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
121 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
122 } else { /* typical setting */
123 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
124 "USB 3EP Setting for typical.....\n");
125 ep_map->ep_mapping[RTL_TXQ_BE] = 5;
126 ep_map->ep_mapping[RTL_TXQ_BK] = 5;
127 ep_map->ep_mapping[RTL_TXQ_VI] = 3;
128 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
129 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
130 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
131 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
132 }
133 }
134
oneoutepmapping(struct ieee80211_hw * hw,struct rtl_ep_map * ep_map)135 static void oneoutepmapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map)
136 {
137 ep_map->ep_mapping[RTL_TXQ_BE] = 2;
138 ep_map->ep_mapping[RTL_TXQ_BK] = 2;
139 ep_map->ep_mapping[RTL_TXQ_VI] = 2;
140 ep_map->ep_mapping[RTL_TXQ_VO] = 2;
141 ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
142 ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
143 ep_map->ep_mapping[RTL_TXQ_HI] = 2;
144 }
145
_out_ep_mapping(struct ieee80211_hw * hw)146 static int _out_ep_mapping(struct ieee80211_hw *hw)
147 {
148 int err = 0;
149 bool ischipn, bwificfg = false;
150 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
151 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
152 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
153 struct rtl_ep_map *ep_map = &(rtlusb->ep_map);
154
155 ischipn = IS_NORMAL_CHIP(rtlhal->version);
156 switch (rtlusb->out_ep_nums) {
157 case 2:
158 twooutepmapping(hw, ischipn, bwificfg, ep_map);
159 break;
160 case 3:
161 /* Test chip doesn't support three out EPs. */
162 if (!ischipn) {
163 err = -EINVAL;
164 goto err_out;
165 }
166 threeoutepmapping(hw, ischipn, ep_map);
167 break;
168 case 1:
169 oneoutepmapping(hw, ep_map);
170 break;
171 default:
172 err = -EINVAL;
173 break;
174 }
175 err_out:
176 return err;
177
178 }
179
180 /* endpoint mapping */
rtl8192cu_endpoint_mapping(struct ieee80211_hw * hw)181 int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw)
182 {
183 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
184 int error = 0;
185
186 if (likely(IS_NORMAL_CHIP(rtlhal->version)))
187 error = configvernoutep(hw);
188 else
189 error = configvertoutep(hw);
190 if (error)
191 goto err_out;
192 error = _out_ep_mapping(hw);
193 if (error)
194 goto err_out;
195 err_out:
196 return error;
197 }
198
rtl8192cu_mq_to_hwq(__le16 fc,u16 mac80211_queue_index)199 u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
200 {
201 u16 hw_queue_index;
202
203 if (unlikely(ieee80211_is_beacon(fc))) {
204 hw_queue_index = RTL_TXQ_BCN;
205 goto out;
206 }
207 if (ieee80211_is_mgmt(fc)) {
208 hw_queue_index = RTL_TXQ_MGT;
209 goto out;
210 }
211 switch (mac80211_queue_index) {
212 case 0:
213 hw_queue_index = RTL_TXQ_VO;
214 break;
215 case 1:
216 hw_queue_index = RTL_TXQ_VI;
217 break;
218 case 2:
219 hw_queue_index = RTL_TXQ_BE;
220 break;
221 case 3:
222 hw_queue_index = RTL_TXQ_BK;
223 break;
224 default:
225 hw_queue_index = RTL_TXQ_BE;
226 WARN_ONCE(true, "rtl8192cu: QSLT_BE queue, skb_queue:%d\n",
227 mac80211_queue_index);
228 break;
229 }
230 out:
231 return hw_queue_index;
232 }
233
_rtl8192cu_mq_to_descq(struct ieee80211_hw * hw,__le16 fc,u16 mac80211_queue_index)234 static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw,
235 __le16 fc, u16 mac80211_queue_index)
236 {
237 enum rtl_desc_qsel qsel;
238 struct rtl_priv *rtlpriv = rtl_priv(hw);
239
240 if (unlikely(ieee80211_is_beacon(fc))) {
241 qsel = QSLT_BEACON;
242 goto out;
243 }
244 if (ieee80211_is_mgmt(fc)) {
245 qsel = QSLT_MGNT;
246 goto out;
247 }
248 switch (mac80211_queue_index) {
249 case 0: /* VO */
250 qsel = QSLT_VO;
251 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG,
252 "VO queue, set qsel = 0x%x\n", QSLT_VO);
253 break;
254 case 1: /* VI */
255 qsel = QSLT_VI;
256 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG,
257 "VI queue, set qsel = 0x%x\n", QSLT_VI);
258 break;
259 case 3: /* BK */
260 qsel = QSLT_BK;
261 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG,
262 "BK queue, set qsel = 0x%x\n", QSLT_BK);
263 break;
264 case 2: /* BE */
265 default:
266 qsel = QSLT_BE;
267 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG,
268 "BE queue, set qsel = 0x%x\n", QSLT_BE);
269 break;
270 }
271 out:
272 return qsel;
273 }
274
275 /* =============================================================== */
276
277 /*----------------------------------------------------------------------
278 *
279 * Rx handler
280 *
281 *---------------------------------------------------------------------- */
rtl92cu_rx_query_desc(struct ieee80211_hw * hw,struct rtl_stats * stats,struct ieee80211_rx_status * rx_status,u8 * pdesc8,struct sk_buff * skb)282 bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
283 struct rtl_stats *stats,
284 struct ieee80211_rx_status *rx_status,
285 u8 *pdesc8, struct sk_buff *skb)
286 {
287 struct rx_fwinfo_92c *p_drvinfo;
288 struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc8;
289 __le32 *pdesc = (__le32 *)pdesc8;
290 u32 phystatus = get_rx_desc_phy_status(pdesc);
291
292 stats->length = (u16)get_rx_desc_pkt_len(pdesc);
293 stats->rx_drvinfo_size = (u8)get_rx_desc_drvinfo_size(pdesc) *
294 RX_DRV_INFO_SIZE_UNIT;
295 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
296 stats->icv = (u16)get_rx_desc_icv(pdesc);
297 stats->crc = (u16)get_rx_desc_crc32(pdesc);
298 stats->hwerror = (stats->crc | stats->icv);
299 stats->decrypted = !get_rx_desc_swdec(pdesc);
300 stats->rate = (u8)get_rx_desc_rx_mcs(pdesc);
301 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
302 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
303 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
304 (get_rx_desc_faggr(pdesc) == 1));
305 stats->timestamp_low = get_rx_desc_tsfl(pdesc);
306 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
307 stats->is_ht = (bool)get_rx_desc_rx_ht(pdesc);
308 rx_status->freq = hw->conf.chandef.chan->center_freq;
309 rx_status->band = hw->conf.chandef.chan->band;
310 if (get_rx_desc_crc32(pdesc))
311 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
312 if (!get_rx_desc_swdec(pdesc))
313 rx_status->flag |= RX_FLAG_DECRYPTED;
314 if (get_rx_desc_bw(pdesc))
315 rx_status->bw = RATE_INFO_BW_40;
316 if (get_rx_desc_rx_ht(pdesc))
317 rx_status->encoding = RX_ENC_HT;
318 rx_status->flag |= RX_FLAG_MACTIME_START;
319 if (stats->decrypted)
320 rx_status->flag |= RX_FLAG_DECRYPTED;
321 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
322 false, stats->rate);
323 rx_status->mactime = get_rx_desc_tsfl(pdesc);
324 if (phystatus) {
325 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
326 stats->rx_bufshift);
327 rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc,
328 p_drvinfo);
329 }
330 /*rx_status->qual = stats->signal; */
331 rx_status->signal = stats->recvsignalpower + 10;
332 return true;
333 }
334
335 #define RTL_RX_DRV_INFO_UNIT 8
336
_rtl_rx_process(struct ieee80211_hw * hw,struct sk_buff * skb)337 static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
338 {
339 struct ieee80211_rx_status *rx_status =
340 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb);
341 u32 skb_len, pkt_len, drvinfo_len;
342 struct rtl_priv *rtlpriv = rtl_priv(hw);
343 __le32 *rxdesc;
344 struct rtl_stats stats = {
345 .signal = 0,
346 .rate = 0,
347 };
348 struct rx_fwinfo_92c *p_drvinfo;
349 bool bv;
350 __le16 fc;
351 struct ieee80211_hdr *hdr;
352
353 memset(rx_status, 0, sizeof(*rx_status));
354 rxdesc = (__le32 *)skb->data;
355 skb_len = skb->len;
356 drvinfo_len = (get_rx_desc_drvinfo_size(rxdesc) * RTL_RX_DRV_INFO_UNIT);
357 pkt_len = get_rx_desc_pkt_len(rxdesc);
358 /* TODO: Error recovery. drop this skb or something. */
359 WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len));
360 stats.length = (u16)get_rx_desc_pkt_len(rxdesc);
361 stats.rx_drvinfo_size = (u8)get_rx_desc_drvinfo_size(rxdesc) *
362 RX_DRV_INFO_SIZE_UNIT;
363 stats.rx_bufshift = (u8)(get_rx_desc_shift(rxdesc) & 0x03);
364 stats.icv = (u16)get_rx_desc_icv(rxdesc);
365 stats.crc = (u16)get_rx_desc_crc32(rxdesc);
366 stats.hwerror = (stats.crc | stats.icv);
367 stats.decrypted = !get_rx_desc_swdec(rxdesc);
368 stats.rate = (u8)get_rx_desc_rx_mcs(rxdesc);
369 stats.shortpreamble = (u16)get_rx_desc_splcp(rxdesc);
370 stats.isampdu = (bool)((get_rx_desc_paggr(rxdesc) == 1) &&
371 (get_rx_desc_faggr(rxdesc) == 1));
372 stats.timestamp_low = get_rx_desc_tsfl(rxdesc);
373 stats.rx_is40mhzpacket = (bool)get_rx_desc_bw(rxdesc);
374 stats.is_ht = (bool)get_rx_desc_rx_ht(rxdesc);
375 /* TODO: is center_freq changed when doing scan? */
376 /* TODO: Shall we add protection or just skip those two step? */
377 rx_status->freq = hw->conf.chandef.chan->center_freq;
378 rx_status->band = hw->conf.chandef.chan->band;
379 if (get_rx_desc_crc32(rxdesc))
380 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
381 if (!get_rx_desc_swdec(rxdesc))
382 rx_status->flag |= RX_FLAG_DECRYPTED;
383 if (get_rx_desc_bw(rxdesc))
384 rx_status->bw = RATE_INFO_BW_40;
385 if (get_rx_desc_rx_ht(rxdesc))
386 rx_status->encoding = RX_ENC_HT;
387 /* Data rate */
388 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht,
389 false, stats.rate);
390 /* There is a phy status after this rx descriptor. */
391 if (get_rx_desc_phy_status(rxdesc)) {
392 p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE);
393 rtl92c_translate_rx_signal_stuff(hw, skb, &stats,
394 (struct rx_desc_92c *)rxdesc, p_drvinfo);
395 }
396 skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE));
397 hdr = (struct ieee80211_hdr *)(skb->data);
398 fc = hdr->frame_control;
399 bv = ieee80211_is_probe_resp(fc);
400 if (bv)
401 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
402 "Got probe response frame\n");
403 if (ieee80211_is_beacon(fc))
404 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n");
405 if (ieee80211_is_data(fc))
406 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n");
407 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
408 "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n",
409 fc,
410 (u32)hdr->addr1[0], (u32)hdr->addr1[1],
411 (u32)hdr->addr1[2], (u32)hdr->addr1[3],
412 (u32)hdr->addr1[4], (u32)hdr->addr1[5]);
413 ieee80211_rx(hw, skb);
414 }
415
rtl8192cu_rx_hdl(struct ieee80211_hw * hw,struct sk_buff * skb)416 void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb)
417 {
418 _rtl_rx_process(hw, skb);
419 }
420
421 /*----------------------------------------------------------------------
422 *
423 * Tx handler
424 *
425 *---------------------------------------------------------------------- */
rtl8192c_tx_cleanup(struct ieee80211_hw * hw,struct sk_buff * skb)426 void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb)
427 {
428 }
429
rtl8192c_tx_post_hdl(struct ieee80211_hw * hw,struct urb * urb,struct sk_buff * skb)430 int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
431 struct sk_buff *skb)
432 {
433 return 0;
434 }
435
rtl8192c_tx_aggregate_hdl(struct ieee80211_hw * hw,struct sk_buff_head * list)436 struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw,
437 struct sk_buff_head *list)
438 {
439 return skb_dequeue(list);
440 }
441
442 /*======================================== trx ===============================*/
443
_rtl_fill_usb_tx_desc(__le32 * txdesc)444 static void _rtl_fill_usb_tx_desc(__le32 *txdesc)
445 {
446 set_tx_desc_own(txdesc, 1);
447 set_tx_desc_last_seg(txdesc, 1);
448 set_tx_desc_first_seg(txdesc, 1);
449 }
450
451 /*
452 * For HW recovery information
453 */
_rtl_tx_desc_checksum(__le32 * txdesc)454 static void _rtl_tx_desc_checksum(__le32 *txdesc)
455 {
456 __le16 *ptr = (__le16 *)txdesc;
457 u16 checksum = 0;
458 u32 index;
459
460 /* Clear first */
461 set_tx_desc_tx_desc_checksum(txdesc, 0);
462 for (index = 0; index < 16; index++)
463 checksum = checksum ^ le16_to_cpu(*(ptr + index));
464 set_tx_desc_tx_desc_checksum(txdesc, checksum);
465 }
466
rtl92cu_tx_fill_desc(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,u8 * pdesc_tx,u8 * pbd_desc_tx,struct ieee80211_tx_info * info,struct ieee80211_sta * sta,struct sk_buff * skb,u8 queue_index,struct rtl_tcb_desc * tcb_desc)467 void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
468 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
469 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
470 struct ieee80211_sta *sta,
471 struct sk_buff *skb,
472 u8 queue_index,
473 struct rtl_tcb_desc *tcb_desc)
474 {
475 struct rtl_priv *rtlpriv = rtl_priv(hw);
476 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
477 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
478 bool defaultadapter = true;
479 u8 *qc = ieee80211_get_qos_ctl(hdr);
480 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
481 u16 seq_number;
482 __le16 fc = hdr->frame_control;
483 u8 rate_flag = info->control.rates[0].flags;
484 u16 pktlen = skb->len;
485 enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc,
486 skb_get_queue_mapping(skb));
487 u8 *txdesc8;
488 __le32 *txdesc;
489
490 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
491 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
492 txdesc8 = skb_push(skb, RTL_TX_HEADER_SIZE);
493 txdesc = (__le32 *)txdesc8;
494 memset(txdesc, 0, RTL_TX_HEADER_SIZE);
495 set_tx_desc_pkt_size(txdesc, pktlen);
496 set_tx_desc_linip(txdesc, 0);
497 set_tx_desc_pkt_offset(txdesc, RTL_DUMMY_OFFSET);
498 set_tx_desc_offset(txdesc, RTL_TX_HEADER_SIZE);
499 set_tx_desc_tx_rate(txdesc, tcb_desc->hw_rate);
500 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
501 set_tx_desc_data_shortgi(txdesc, 1);
502 if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
503 info->flags & IEEE80211_TX_CTL_AMPDU) {
504 set_tx_desc_agg_enable(txdesc, 1);
505 set_tx_desc_max_agg_num(txdesc, 0x14);
506 } else {
507 set_tx_desc_agg_break(txdesc, 1);
508 }
509 set_tx_desc_seq(txdesc, seq_number);
510 set_tx_desc_rts_enable(txdesc,
511 ((tcb_desc->rts_enable &&
512 !tcb_desc->cts_enable) ? 1 : 0));
513 set_tx_desc_hw_rts_enable(txdesc,
514 ((tcb_desc->rts_enable ||
515 tcb_desc->cts_enable) ? 1 : 0));
516 set_tx_desc_cts2self(txdesc, ((tcb_desc->cts_enable) ? 1 : 0));
517 set_tx_desc_rts_stbc(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
518 set_tx_desc_rts_rate(txdesc, tcb_desc->rts_rate);
519 set_tx_desc_rts_bw(txdesc, 0);
520 set_tx_desc_rts_sc(txdesc, tcb_desc->rts_sc);
521 set_tx_desc_rts_short(txdesc,
522 ((tcb_desc->rts_rate <= DESC_RATE54M) ?
523 (tcb_desc->rts_use_shortpreamble ? 1 : 0)
524 : (tcb_desc->rts_use_shortgi ? 1 : 0)));
525 if (mac->bw_40) {
526 if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
527 set_tx_desc_data_bw(txdesc, 1);
528 set_tx_desc_data_sc(txdesc, 3);
529 } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
530 set_tx_desc_data_bw(txdesc, 1);
531 set_tx_desc_data_sc(txdesc, mac->cur_40_prime_sc);
532 } else {
533 set_tx_desc_data_bw(txdesc, 0);
534 set_tx_desc_data_sc(txdesc, 0);
535 }
536 } else {
537 set_tx_desc_data_bw(txdesc, 0);
538 set_tx_desc_data_sc(txdesc, 0);
539 }
540 rcu_read_lock();
541 sta = ieee80211_find_sta(mac->vif, mac->bssid);
542 if (sta) {
543 u8 ampdu_density = sta->ht_cap.ampdu_density;
544
545 set_tx_desc_ampdu_density(txdesc, ampdu_density);
546 }
547 rcu_read_unlock();
548 if (info->control.hw_key) {
549 struct ieee80211_key_conf *keyconf = info->control.hw_key;
550
551 switch (keyconf->cipher) {
552 case WLAN_CIPHER_SUITE_WEP40:
553 case WLAN_CIPHER_SUITE_WEP104:
554 case WLAN_CIPHER_SUITE_TKIP:
555 set_tx_desc_sec_type(txdesc, 0x1);
556 break;
557 case WLAN_CIPHER_SUITE_CCMP:
558 set_tx_desc_sec_type(txdesc, 0x3);
559 break;
560 default:
561 set_tx_desc_sec_type(txdesc, 0x0);
562 break;
563 }
564 }
565 set_tx_desc_pkt_id(txdesc, 0);
566 set_tx_desc_queue_sel(txdesc, fw_qsel);
567 set_tx_desc_data_rate_fb_limit(txdesc, 0x1F);
568 set_tx_desc_rts_rate_fb_limit(txdesc, 0xF);
569 set_tx_desc_disable_fb(txdesc, 0);
570 set_tx_desc_use_rate(txdesc, tcb_desc->use_driver_rate ? 1 : 0);
571 if (ieee80211_is_data_qos(fc)) {
572 if (mac->rdg_en) {
573 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
574 "Enable RDG function\n");
575 set_tx_desc_rdg_enable(txdesc, 1);
576 set_tx_desc_htc(txdesc, 1);
577 }
578 }
579 if (rtlpriv->dm.useramask) {
580 set_tx_desc_rate_id(txdesc, tcb_desc->ratr_index);
581 set_tx_desc_macid(txdesc, tcb_desc->mac_id);
582 } else {
583 set_tx_desc_rate_id(txdesc, 0xC + tcb_desc->ratr_index);
584 set_tx_desc_macid(txdesc, tcb_desc->ratr_index);
585 }
586 if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps &&
587 ppsc->fwctrl_lps) {
588 set_tx_desc_hwseq_en(txdesc, 1);
589 set_tx_desc_pkt_id(txdesc, 8);
590 if (!defaultadapter)
591 set_tx_desc_qos(txdesc, 1);
592 }
593 if (ieee80211_has_morefrags(fc))
594 set_tx_desc_more_frag(txdesc, 1);
595 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
596 is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
597 set_tx_desc_bmc(txdesc, 1);
598 _rtl_fill_usb_tx_desc(txdesc);
599 _rtl_tx_desc_checksum(txdesc);
600 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n");
601 }
602
rtl92cu_fill_fake_txdesc(struct ieee80211_hw * hw,u8 * pdesc8,u32 buffer_len,bool is_pspoll)603 void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 *pdesc8,
604 u32 buffer_len, bool is_pspoll)
605 {
606 __le32 *pdesc = (__le32 *)pdesc8;
607
608 /* Clear all status */
609 memset(pdesc, 0, RTL_TX_HEADER_SIZE);
610 set_tx_desc_first_seg(pdesc, 1); /* bFirstSeg; */
611 set_tx_desc_last_seg(pdesc, 1); /* bLastSeg; */
612 set_tx_desc_offset(pdesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */
613 set_tx_desc_pkt_size(pdesc, buffer_len); /* Buffer size + command hdr */
614 set_tx_desc_queue_sel(pdesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */
615 /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error
616 * vlaue by Hw. */
617 if (is_pspoll) {
618 set_tx_desc_nav_use_hdr(pdesc, 1);
619 } else {
620 set_tx_desc_hwseq_en(pdesc, 1); /* Hw set sequence number */
621 set_tx_desc_pkt_id(pdesc, BIT(3)); /* set bit3 to 1. */
622 }
623 set_tx_desc_use_rate(pdesc, 1); /* use data rate which is set by Sw */
624 set_tx_desc_own(pdesc, 1);
625 set_tx_desc_tx_rate(pdesc, DESC_RATE1M);
626 _rtl_tx_desc_checksum(pdesc);
627 }
628
rtl92cu_tx_fill_cmddesc(struct ieee80211_hw * hw,u8 * pdesc8,bool firstseg,bool lastseg,struct sk_buff * skb)629 void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw,
630 u8 *pdesc8, bool firstseg,
631 bool lastseg, struct sk_buff *skb)
632 {
633 struct rtl_priv *rtlpriv = rtl_priv(hw);
634 u8 fw_queue = QSLT_BEACON;
635 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
636 __le16 fc = hdr->frame_control;
637 __le32 *pdesc = (__le32 *)pdesc8;
638
639 memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE);
640 if (firstseg)
641 set_tx_desc_offset(pdesc, RTL_TX_HEADER_SIZE);
642 set_tx_desc_tx_rate(pdesc, DESC_RATE1M);
643 set_tx_desc_seq(pdesc, 0);
644 set_tx_desc_linip(pdesc, 0);
645 set_tx_desc_queue_sel(pdesc, fw_queue);
646 set_tx_desc_first_seg(pdesc, 1);
647 set_tx_desc_last_seg(pdesc, 1);
648 set_tx_desc_rate_id(pdesc, 7);
649 set_tx_desc_macid(pdesc, 0);
650 set_tx_desc_own(pdesc, 1);
651 set_tx_desc_pkt_size(pdesc, (u16)skb->len);
652 set_tx_desc_first_seg(pdesc, 1);
653 set_tx_desc_last_seg(pdesc, 1);
654 set_tx_desc_offset(pdesc, 0x20);
655 set_tx_desc_use_rate(pdesc, 1);
656 if (!ieee80211_is_data_qos(fc)) {
657 set_tx_desc_hwseq_en(pdesc, 1);
658 set_tx_desc_pkt_id(pdesc, 8);
659 }
660 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content",
661 pdesc, RTL_TX_DESC_SIZE);
662 }
663