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Merge tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8723be / trx.c
CommitLineData
a619d1ab
LF		 1/******************************************************************************
2 *
3 * Copyright(c) 2009-2014 Realtek Corporation.
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 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26#include "../wifi.h"
27#include "../pci.h"
28#include "../base.h"
29#include "../stats.h"
30#include "reg.h"
31#include "def.h"
32#include "phy.h"
33#include "trx.h"
34#include "led.h"
35#include "dm.h"
5c99f04f 36#include "fw.h"
a619d1ab
LF		 37
38static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
39{
40 __le16 fc = rtl_get_fc(skb);
41
42 if (unlikely(ieee80211_is_beacon(fc)))
43 return QSLT_BEACON;
44 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
45 return QSLT_MGNT;
46
47 return skb->priority;
48}
49
a619d1ab
LF		 50static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
51 struct rtl_stats *pstatus, u8 *pdesc,
52 struct rx_fwinfo_8723be *p_drvinfo,
5c99f04f
LF		 53 bool bpacket_match_bssid,
54 bool bpacket_toself,
a619d1ab
LF		 55 bool packet_beacon)
56{
57 struct rtl_priv *rtlpriv = rtl_priv(hw);
a619d1ab 58 struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
a619d1ab 59 char rx_pwr_all = 0, rx_pwr[4];
5c99f04f 60 u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
a619d1ab
LF		 61 u8 i, max_spatial_stream;
62 u32 rssi, total_rssi = 0;
63 bool is_cck = pstatus->is_cck;
64 u8 lan_idx, vga_idx;
65
66 /* Record it for next packet processing */
5c99f04f
LF		 67 pstatus->packet_matchbssid = bpacket_match_bssid;
68 pstatus->packet_toself = bpacket_toself;
a619d1ab 69 pstatus->packet_beacon = packet_beacon;
5c99f04f
LF		 70 pstatus->rx_mimo_signalquality[0] = -1;
71 pstatus->rx_mimo_signalquality[1] = -1;
a619d1ab
LF		 72
73 if (is_cck) {
74 u8 cck_highpwr;
75 u8 cck_agc_rpt;
a619d1ab 76
5c99f04f
LF		 77 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
78
79 /* (1)Hardware does not provide RSSI for CCK */
80 /* (2)PWDB, Average PWDB cacluated by
a619d1ab
LF		 81 * hardware (for rate adaptive)
82 */
5c99f04f
LF		 83 cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
84 BIT(9));
a619d1ab
LF		 85
86 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
87 vga_idx = (cck_agc_rpt & 0x1f);
5c99f04f 88
a619d1ab 89 switch (lan_idx) {
5c99f04f
LF		 90 /* 46 53 73 95 201301231630 */
91 /* 46 53 77 99 201301241630 */
92 case 6:
93 rx_pwr_all = -34 - (2 * vga_idx);
a619d1ab 94 break;
5c99f04f
LF		 95 case 4:
96 rx_pwr_all = -14 - (2 * vga_idx);
a619d1ab
LF		 97 break;
98 case 1:
5c99f04f 99 rx_pwr_all = 6 - (2 * vga_idx);
a619d1ab
LF		 100 break;
101 case 0:
5c99f04f 102 rx_pwr_all = 16 - (2 * vga_idx);
a619d1ab
LF		 103 break;
104 default:
105 break;
106 }
5c99f04f 107
a619d1ab 108 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
a619d1ab
LF		 109 if (pwdb_all > 100)
110 pwdb_all = 100;
a619d1ab
LF		 111
112 pstatus->rx_pwdb_all = pwdb_all;
5c99f04f 113 pstatus->bt_rx_rssi_percentage = pwdb_all;
a619d1ab
LF		 114 pstatus->recvsignalpower = rx_pwr_all;
115
116 /* (3) Get Signal Quality (EVM) */
5c99f04f
LF		 117 if (bpacket_match_bssid) {
118 u8 sq, sq_rpt;
a619d1ab
LF		 119 if (pstatus->rx_pwdb_all > 40) {
120 sq = 100;
121 } else {
5c99f04f
LF		 122 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
123 if (sq_rpt > 64)
a619d1ab 124 sq = 0;
5c99f04f 125 else if (sq_rpt < 20)
a619d1ab
LF		 126 sq = 100;
127 else
5c99f04f 128 sq = ((64 - sq_rpt) * 100) / 44;
a619d1ab 129 }
a619d1ab 130 pstatus->signalquality = sq;
5c99f04f
LF		 131 pstatus->rx_mimo_signalquality[0] = sq;
132 pstatus->rx_mimo_signalquality[1] = -1;
a619d1ab
LF		 133 }
134 } else {
a619d1ab
LF		 135 /* (1)Get RSSI for HT rate */
136 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
137 /* we will judge RF RX path now. */
138 if (rtlpriv->dm.rfpath_rxenable[i])
139 rf_rx_num++;
140
5c99f04f
LF		 141 rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
142 - 110;
a619d1ab 143
5c99f04f 144 pstatus->rx_pwr[i] = rx_pwr[i];
a619d1ab
LF		 145 /* Translate DBM to percentage. */
146 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
147 total_rssi += rssi;
148
5c99f04f 149 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
a619d1ab
LF		 150 }
151
5c99f04f
LF		 152 /* (2)PWDB, Average PWDB cacluated by
153 * hardware (for rate adaptive)
154 */
155 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
156 0x7f) - 110;
a619d1ab
LF		 157
158 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
5c99f04f 159 pwdb_all_bt = pwdb_all;
a619d1ab 160 pstatus->rx_pwdb_all = pwdb_all;
5c99f04f 161 pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
a619d1ab
LF		 162 pstatus->rxpower = rx_pwr_all;
163 pstatus->recvsignalpower = rx_pwr_all;
164
165 /* (3)EVM of HT rate */
5c99f04f 166 if (pstatus->rate >= DESC92C_RATEMCS8 &&
a619d1ab
LF		 167 pstatus->rate <= DESC92C_RATEMCS15)
168 max_spatial_stream = 2;
169 else
170 max_spatial_stream = 1;
171
172 for (i = 0; i < max_spatial_stream; i++) {
5c99f04f
LF		 173 evm = rtl_evm_db_to_percentage(
174 p_phystrpt->stream_rxevm[i]);
a619d1ab 175
5c99f04f 176 if (bpacket_match_bssid) {
a619d1ab
LF		 177 /* Fill value in RFD, Get the first
178 * spatial stream only
179 */
180 if (i == 0)
181 pstatus->signalquality =
5c99f04f
LF		 182 (u8)(evm & 0xff);
183 pstatus->rx_mimo_signalquality[i] =
184 (u8)(evm & 0xff);
a619d1ab
LF		 185 }
186 }
5c99f04f
LF		 187
188 if (bpacket_match_bssid) {
a619d1ab
LF		 189 for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
190 rtl_priv(hw)->dm.cfo_tail[i] =
5c99f04f 191 (int)p_phystrpt->path_cfotail[i];
a619d1ab 192
a619d1ab
LF		 193 if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
194 rtl_priv(hw)->dm.packet_count = 0;
5c99f04f
LF		 195 else
196 rtl_priv(hw)->dm.packet_count++;
a619d1ab
LF		 197 }
198 }
199
200 /* UI BSS List signal strength(in percentage),
201 * make it good looking, from 0~100.
202 */
203 if (is_cck)
204 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
205 pwdb_all));
206 else if (rf_rx_num != 0)
207 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
208 total_rssi /= rf_rx_num));
a619d1ab
LF		 209}
210
211static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
212 struct sk_buff *skb,
213 struct rtl_stats *pstatus,
214 u8 *pdesc,
215 struct rx_fwinfo_8723be *p_drvinfo)
216{
217 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
218 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
219 struct ieee80211_hdr *hdr;
220 u8 *tmp_buf;
221 u8 *praddr;
222 u8 *psaddr;
223 u16 fc, type;
224 bool packet_matchbssid, packet_toself, packet_beacon;
225
226 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
227
228 hdr = (struct ieee80211_hdr *)tmp_buf;
229 fc = le16_to_cpu(hdr->frame_control);
230 type = WLAN_FC_GET_TYPE(hdr->frame_control);
231 praddr = hdr->addr1;
232 psaddr = ieee80211_get_SA(hdr);
233 memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
234
235 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
5c99f04f
LF		 236 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
237 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
238 hdr->addr2 : hdr->addr3)) &&
239 (!pstatus->hwerror) &&
240 (!pstatus->crc) && (!pstatus->icv));
a619d1ab
LF		 241
242 packet_toself = packet_matchbssid &&
5c99f04f 243 (ether_addr_equal(praddr, rtlefuse->dev_addr));
a619d1ab
LF		 244
245 /* YP: packet_beacon is not initialized,
246 * this assignment is neccesary,
247 * otherwise it counld be true in this case
248 * the situation is much worse in Kernel 3.10
249 */
250 if (ieee80211_is_beacon(hdr->frame_control))
251 packet_beacon = true;
252 else
253 packet_beacon = false;
254
255 if (packet_beacon && packet_matchbssid)
256 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
257
258 _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
259 packet_matchbssid,
260 packet_toself,
261 packet_beacon);
262
263 rtl_process_phyinfo(hw, tmp_buf, pstatus);
264}
265
266static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
267 u8 *virtualaddress)
268{
269 u32 dwtmp = 0;
270 memset(virtualaddress, 0, 8);
271
272 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
273 if (ptcb_desc->empkt_num == 1) {
274 dwtmp = ptcb_desc->empkt_len[0];
275 } else {
276 dwtmp = ptcb_desc->empkt_len[0];
277 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
278 dwtmp += ptcb_desc->empkt_len[1];
279 }
280 SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
281
282 if (ptcb_desc->empkt_num <= 3) {
283 dwtmp = ptcb_desc->empkt_len[2];
284 } else {
285 dwtmp = ptcb_desc->empkt_len[2];
286 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
287 dwtmp += ptcb_desc->empkt_len[3];
288 }
289 SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
290 if (ptcb_desc->empkt_num <= 5) {
291 dwtmp = ptcb_desc->empkt_len[4];
292 } else {
293 dwtmp = ptcb_desc->empkt_len[4];
294 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
295 dwtmp += ptcb_desc->empkt_len[5];
296 }
297 SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
298 SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
299 if (ptcb_desc->empkt_num <= 7) {
300 dwtmp = ptcb_desc->empkt_len[6];
301 } else {
302 dwtmp = ptcb_desc->empkt_len[6];
303 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
304 dwtmp += ptcb_desc->empkt_len[7];
305 }
306 SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
307 if (ptcb_desc->empkt_num <= 9) {
308 dwtmp = ptcb_desc->empkt_len[8];
309 } else {
310 dwtmp = ptcb_desc->empkt_len[8];
311 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
312 dwtmp += ptcb_desc->empkt_len[9];
313 }
314 SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
315}
316
317bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
318 struct rtl_stats *status,
319 struct ieee80211_rx_status *rx_status,
320 u8 *pdesc, struct sk_buff *skb)
321{
322 struct rtl_priv *rtlpriv = rtl_priv(hw);
323 struct rx_fwinfo_8723be *p_drvinfo;
324 struct ieee80211_hdr *hdr;
325
326 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
5c99f04f
LF		 327
328 status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
329 status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
a619d1ab 330 RX_DRV_INFO_SIZE_UNIT;
5c99f04f 331 status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
a619d1ab
LF		 332 status->icv = (u16) GET_RX_DESC_ICV(pdesc);
333 status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
334 status->hwerror = (status->crc | status->icv);
335 status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
5c99f04f
LF		 336 status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
337 status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
338 status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
339 status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
340 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
341 status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
342 status->bandwidth = (u8)GET_RX_DESC_BW(pdesc);
343 status->macid = GET_RX_DESC_MACID(pdesc);
a619d1ab
LF		 344 status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
345
5c99f04f
LF		 346 status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
347
348 if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
349 status->packet_report_type = C2H_PACKET;
350 else
351 status->packet_report_type = NORMAL_RX;
352
a619d1ab 353
a619d1ab
LF		 354 if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
355 status->wake_match = BIT(2);
356 else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
357 status->wake_match = BIT(1);
358 else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
359 status->wake_match = BIT(0);
360 else
361 status->wake_match = 0;
362 if (status->wake_match)
363 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
5c99f04f
LF		 364 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
365 status->wake_match);
a619d1ab
LF		 366 rx_status->freq = hw->conf.chandef.chan->center_freq;
367 rx_status->band = hw->conf.chandef.chan->band;
368
a619d1ab
LF		 369 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
370 status->rx_bufshift);
371
372 if (status->crc)
373 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
374
375 if (status->rx_is40Mhzpacket)
376 rx_status->flag |= RX_FLAG_40MHZ;
377
378 if (status->is_ht)
379 rx_status->flag |= RX_FLAG_HT;
380
381 rx_status->flag |= RX_FLAG_MACTIME_START;
382
383 /* hw will set status->decrypted true, if it finds the
384 * frame is open data frame or mgmt frame.
385 * So hw will not decryption robust managment frame
386 * for IEEE80211w but still set status->decrypted
387 * true, so here we should set it back to undecrypted
388 * for IEEE80211w frame, and mac80211 sw will help
389 * to decrypt it
390 */
391 if (status->decrypted) {
5c99f04f 392 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
a619d1ab 393 (ieee80211_has_protected(hdr->frame_control)))
a619d1ab 394 rx_status->flag |= RX_FLAG_DECRYPTED;
5c99f04f
LF		 395 else
396 rx_status->flag &= ~RX_FLAG_DECRYPTED;
a619d1ab
LF		 397 }
398
399 /* rate_idx: index of data rate into band's
400 * supported rates or MCS index if HT rates
401 * are use (RX_FLAG_HT)
a619d1ab 402 */
7e0dde92 403 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
fd3cb22a 404 false, status->rate);
a619d1ab
LF		 405
406 rx_status->mactime = status->timestamp_low;
407 if (phystatus) {
408 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
409 status->rx_bufshift);
410
411 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
412 pdesc, p_drvinfo);
413 }
a619d1ab
LF		 414 rx_status->signal = status->recvsignalpower + 10;
415 if (status->packet_report_type == TX_REPORT2) {
416 status->macid_valid_entry[0] =
5c99f04f 417 GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
a619d1ab 418 status->macid_valid_entry[1] =
5c99f04f 419 GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
a619d1ab
LF		 420 }
421 return true;
422}
423
424void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
425 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
5c99f04f 426 u8 *txbd, struct ieee80211_tx_info *info,
a619d1ab
LF		 427 struct ieee80211_sta *sta, struct sk_buff *skb,
428 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
429{
430 struct rtl_priv *rtlpriv = rtl_priv(hw);
431 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
432 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
433 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
5c99f04f 434 u8 *pdesc = (u8 *)pdesc_tx;
a619d1ab
LF		 435 u16 seq_number;
436 __le16 fc = hdr->frame_control;
437 unsigned int buf_len = 0;
438 unsigned int skb_len = skb->len;
439 u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
440 bool firstseg = ((hdr->seq_ctrl &
5c99f04f 441 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
a619d1ab 442 bool lastseg = ((hdr->frame_control &
5c99f04f 443 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
a619d1ab
LF		 444 dma_addr_t mapping;
445 u8 bw_40 = 0;
446 u8 short_gi = 0;
447
448 if (mac->opmode == NL80211_IFTYPE_STATION) {
449 bw_40 = mac->bw_40;
450 } else if (mac->opmode == NL80211_IFTYPE_AP ||
451 mac->opmode == NL80211_IFTYPE_ADHOC) {
452 if (sta)
453 bw_40 = sta->ht_cap.cap &
454 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
455 }
456 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
457 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
458 /* reserve 8 byte for AMPDU early mode */
459 if (rtlhal->earlymode_enable) {
460 skb_push(skb, EM_HDR_LEN);
461 memset(skb->data, 0, EM_HDR_LEN);
462 }
463 buf_len = skb->len;
464 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
465 PCI_DMA_TODEVICE);
466 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
467 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error");
468 return;
469 }
470 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723be));
471 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
472 firstseg = true;
473 lastseg = true;
474 }
475 if (firstseg) {
476 if (rtlhal->earlymode_enable) {
477 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
478 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
479 EM_HDR_LEN);
480 if (ptcb_desc->empkt_num) {
481 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
482 "Insert 8 byte.pTcb->EMPktNum:%d\n",
483 ptcb_desc->empkt_num);
484 _rtl8723be_insert_emcontent(ptcb_desc,
485 (u8 *)(skb->data));
486 }
487 } else {
488 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
489 }
490
491 /* ptcb_desc->use_driver_rate = true; */
492 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
493 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
494 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
495 else
496 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
497
498 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
499
500 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
501 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
502 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
503 }
504 SET_TX_DESC_SEQ(pdesc, seq_number);
505 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
506 !ptcb_desc->cts_enable) ?
507 1 : 0));
508 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
509 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
510 1 : 0));
511
512 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
513
514 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
515 SET_TX_DESC_RTS_SHORT(pdesc,
516 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
517 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
518 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
519
c151aed6 520 if (ptcb_desc->tx_enable_sw_calc_duration)
a619d1ab
LF		 521 SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
522
523 if (bw_40) {
5c99f04f 524 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
a619d1ab
LF		 525 SET_TX_DESC_DATA_BW(pdesc, 1);
526 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
527 } else {
528 SET_TX_DESC_DATA_BW(pdesc, 0);
529 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
530 }
531 } else {
532 SET_TX_DESC_DATA_BW(pdesc, 0);
533 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
534 }
535
536 SET_TX_DESC_LINIP(pdesc, 0);
537 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
538 if (sta) {
539 u8 ampdu_density = sta->ht_cap.ampdu_density;
540 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
541 }
542 if (info->control.hw_key) {
543 struct ieee80211_key_conf *keyconf =
544 info->control.hw_key;
545 switch (keyconf->cipher) {
546 case WLAN_CIPHER_SUITE_WEP40:
547 case WLAN_CIPHER_SUITE_WEP104:
548 case WLAN_CIPHER_SUITE_TKIP:
549 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
550 break;
551 case WLAN_CIPHER_SUITE_CCMP:
552 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
553 break;
554 default:
555 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
556 break;
557 }
558 }
559
560 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
561 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
562 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
563 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
5c99f04f 564 1 : 0);
a619d1ab
LF		 565 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
566
5c99f04f
LF		 567 /* Set TxRate and RTSRate in TxDesc */
568 /* This prevent Tx initial rate of new-coming packets */
569 /* from being overwritten by retried packet rate.*/
a619d1ab
LF		 570 if (ieee80211_is_data_qos(fc)) {
571 if (mac->rdg_en) {
572 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
573 "Enable RDG function.\n");
574 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
575 SET_TX_DESC_HTC(pdesc, 1);
576 }
577 }
578 }
579
580 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
581 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
582 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
583 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
5c99f04f
LF		 584 /* if (rtlpriv->dm.useramask) { */
585 if (1) {
586 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
587 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
588 } else {
589 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
590 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
591 }
a619d1ab
LF		 592 if (!ieee80211_is_data_qos(fc)) {
593 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
594 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
595 }
596 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
597 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
598 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
599 SET_TX_DESC_BMC(pdesc, 1);
600 }
5c99f04f 601
a619d1ab
LF		 602 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
603}
604
605void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
5c99f04f 606 bool firstseg, bool lastseg,
a619d1ab
LF		 607 struct sk_buff *skb)
608{
609 struct rtl_priv *rtlpriv = rtl_priv(hw);
610 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
611 u8 fw_queue = QSLT_BEACON;
612
613 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
614 skb->data, skb->len,
615 PCI_DMA_TODEVICE);
616
617 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
618 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
619 "DMA mapping error");
620 return;
621 }
622 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
623
624 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
625
626 SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
627
628 SET_TX_DESC_SEQ(pdesc, 0);
629
630 SET_TX_DESC_LINIP(pdesc, 0);
631
632 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
633
634 SET_TX_DESC_FIRST_SEG(pdesc, 1);
635 SET_TX_DESC_LAST_SEG(pdesc, 1);
636
637 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
638
639 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
640
641 SET_TX_DESC_RATE_ID(pdesc, 0);
642 SET_TX_DESC_MACID(pdesc, 0);
643
644 SET_TX_DESC_OWN(pdesc, 1);
645
5c99f04f 646 SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
a619d1ab
LF		 647
648 SET_TX_DESC_FIRST_SEG(pdesc, 1);
649 SET_TX_DESC_LAST_SEG(pdesc, 1);
650
651 SET_TX_DESC_USE_RATE(pdesc, 1);
5c99f04f
LF		 652
653 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
654 "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
a619d1ab
LF		 655}
656
5c99f04f
LF		 657void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
658 bool istx, u8 desc_name, u8 *val)
a619d1ab
LF		 659{
660 if (istx) {
661 switch (desc_name) {
662 case HW_DESC_OWN:
663 SET_TX_DESC_OWN(pdesc, 1);
664 break;
665 case HW_DESC_TX_NEXTDESC_ADDR:
666 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
667 break;
668 default:
669 RT_ASSERT(false, "ERR txdesc :%d not process\n",
5c99f04f 670 desc_name);
a619d1ab
LF		 671 break;
672 }
673 } else {
674 switch (desc_name) {
675 case HW_DESC_RXOWN:
676 SET_RX_DESC_OWN(pdesc, 1);
677 break;
678 case HW_DESC_RXBUFF_ADDR:
679 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
680 break;
681 case HW_DESC_RXPKT_LEN:
682 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
683 break;
684 case HW_DESC_RXERO:
685 SET_RX_DESC_EOR(pdesc, 1);
686 break;
687 default:
688 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
5c99f04f 689 desc_name);
a619d1ab
LF		 690 break;
691 }
692 }
693}
694
695u32 rtl8723be_get_desc(u8 *pdesc, bool istx, u8 desc_name)
696{
697 u32 ret = 0;
698
699 if (istx) {
700 switch (desc_name) {
701 case HW_DESC_OWN:
702 ret = GET_TX_DESC_OWN(pdesc);
703 break;
704 case HW_DESC_TXBUFF_ADDR:
705 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
706 break;
707 default:
708 RT_ASSERT(false, "ERR txdesc :%d not process\n",
5c99f04f 709 desc_name);
a619d1ab
LF		 710 break;
711 }
712 } else {
713 switch (desc_name) {
714 case HW_DESC_OWN:
715 ret = GET_RX_DESC_OWN(pdesc);
716 break;
717 case HW_DESC_RXPKT_LEN:
718 ret = GET_RX_DESC_PKT_LEN(pdesc);
719 break;
5c99f04f
LF		 720 case HW_DESC_RXBUFF_ADDR:
721 ret = GET_RX_DESC_BUFF_ADDR(pdesc);
722 break;
a619d1ab
LF		 723 default:
724 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
725 desc_name);
726 break;
727 }
728 }
729 return ret;
730}
731
732bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
733 u8 hw_queue, u16 index)
734{
735 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
736 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
737 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
5c99f04f 738 u8 own = (u8)rtl8723be_get_desc(entry, true, HW_DESC_OWN);
a619d1ab
LF		 739
740 /*beacon packet will only use the first
5c99f04f 741 *descriptor defautly,and the own may not
a619d1ab
LF		 742 *be cleared by the hardware
743 */
744 if (own)
745 return false;
5c99f04f 746 return true;
a619d1ab
LF		 747}
748
749void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
750{
751 struct rtl_priv *rtlpriv = rtl_priv(hw);
752 if (hw_queue == BEACON_QUEUE) {
753 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
754 } else {
755 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
756 BIT(0) << (hw_queue));
757 }
758}
5c99f04f
LF		 759
760u32 rtl8723be_rx_command_packet(struct ieee80211_hw *hw,
ce254243 761 const struct rtl_stats *status,
5c99f04f
LF		 762 struct sk_buff *skb)
763{
764 u32 result = 0;
765 struct rtl_priv *rtlpriv = rtl_priv(hw);
766
ce254243 767 switch (status->packet_report_type) {
5c99f04f
LF		 768 case NORMAL_RX:
769 result = 0;
770 break;
771 case C2H_PACKET:
772 rtl8723be_c2h_packet_handler(hw, skb->data,
773 (u8)skb->len);
774 result = 1;
775 break;
776 default:
777 RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
778 "No this packet type!!\n");
779 break;
780 }
781
782 return result;
783}
Linux kernel - Deliverables
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