1 /******************************************************************************
3 * Copyright(c) 2009-2013 Realtek Corporation.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
41 static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
43 __le16 fc = rtl_get_fc(skb);
45 if (unlikely(ieee80211_is_beacon(fc)))
47 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
53 static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
54 struct rtl_stats *pstatus, u8 *pdesc,
55 struct rx_fwinfo_88e *p_drvinfo,
56 bool bpacket_match_bssid,
57 bool bpacket_toself, bool packet_beacon)
59 struct rtl_priv *rtlpriv = rtl_priv(hw);
60 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
61 struct phy_sts_cck_8192s_t *cck_buf;
62 struct phy_status_rpt *phystrpt = (struct phy_status_rpt *)p_drvinfo;
63 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
64 char rx_pwr_all = 0, rx_pwr[4];
65 u8 rf_rx_num = 0, evm, pwdb_all;
66 u8 i, max_spatial_stream;
67 u32 rssi, total_rssi = 0;
68 bool is_cck = pstatus->is_cck;
71 /* Record it for next packet processing */
72 pstatus->packet_matchbssid = bpacket_match_bssid;
73 pstatus->packet_toself = bpacket_toself;
74 pstatus->packet_beacon = packet_beacon;
75 pstatus->rx_mimo_sig_qual[0] = -1;
76 pstatus->rx_mimo_sig_qual[1] = -1;
81 /* CCK Driver info Structure is not the same as OFDM packet. */
82 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
83 cck_agc_rpt = cck_buf->cck_agc_rpt;
85 /* (1)Hardware does not provide RSSI for CCK
86 * (2)PWDB, Average PWDB cacluated by
87 * hardware (for rate adaptive)
89 if (ppsc->rfpwr_state == ERFON)
90 cck_hipwr = rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
95 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
96 vga_idx = (cck_agc_rpt & 0x1f);
100 rx_pwr_all = -100 + 2 * (27 - vga_idx);
105 rx_pwr_all = -48 + 2 * (2 - vga_idx); /*VGA_idx = 2~0*/
108 rx_pwr_all = -42 + 2 * (7 - vga_idx); /*VGA_idx = 7~5*/
111 rx_pwr_all = -36 + 2 * (7 - vga_idx); /*VGA_idx = 7~4*/
114 rx_pwr_all = -24 + 2 * (7 - vga_idx); /*VGA_idx = 7~0*/
118 rx_pwr_all = -12 + 2 * (5 - vga_idx);
120 rx_pwr_all = -6 + 2 * (5 - vga_idx);
123 rx_pwr_all = 8 - 2 * vga_idx;
126 rx_pwr_all = 14 - 2 * vga_idx;
132 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
133 /* CCK gain is smaller than OFDM/MCS gain,
134 * so we add gain diff by experiences,
140 /* modify the offset to make the same
141 * gain index with OFDM.
143 if (pwdb_all > 34 && pwdb_all <= 42)
145 else if (pwdb_all > 26 && pwdb_all <= 34)
147 else if (pwdb_all > 14 && pwdb_all <= 26)
149 else if (pwdb_all > 4 && pwdb_all <= 14)
151 if (cck_hipwr == false) {
153 pwdb_all = ((pwdb_all - 80)<<1) +
154 ((pwdb_all - 80)>>1) + 80;
155 else if ((pwdb_all <= 78) && (pwdb_all >= 20))
161 pstatus->rx_pwdb_all = pwdb_all;
162 pstatus->recvsignalpower = rx_pwr_all;
164 /* (3) Get Signal Quality (EVM) */
165 if (bpacket_match_bssid) {
168 if (pstatus->rx_pwdb_all > 40) {
171 sq = cck_buf->sq_rpt;
177 sq = ((64 - sq) * 100) / 44;
180 pstatus->signalquality = sq;
181 pstatus->rx_mimo_sig_qual[0] = sq;
182 pstatus->rx_mimo_sig_qual[1] = -1;
185 rtlpriv->dm.rfpath_rxenable[0] =
186 rtlpriv->dm.rfpath_rxenable[1] = true;
188 /* (1)Get RSSI for HT rate */
189 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
190 /* we will judge RF RX path now. */
191 if (rtlpriv->dm.rfpath_rxenable[i])
194 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)-110;
196 /* Translate DBM to percentage. */
197 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
200 /* Get Rx snr value in DB */
201 rtlpriv->stats.rx_snr_db[i] = p_drvinfo->rxsnr[i] / 2;
203 /* Record Signal Strength for next packet */
204 if (bpacket_match_bssid)
205 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
208 /* (2)PWDB, Average PWDB cacluated by
209 * hardware (for rate adaptive)
211 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
213 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
214 pstatus->rx_pwdb_all = pwdb_all;
215 pstatus->rxpower = rx_pwr_all;
216 pstatus->recvsignalpower = rx_pwr_all;
218 /* (3)EVM of HT rate */
219 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
220 pstatus->rate <= DESC92C_RATEMCS15)
221 max_spatial_stream = 2;
223 max_spatial_stream = 1;
225 for (i = 0; i < max_spatial_stream; i++) {
226 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
228 if (bpacket_match_bssid) {
229 /* Fill value in RFD, Get the first
230 * spatial stream only
233 pstatus->signalquality = evm & 0xff;
234 pstatus->rx_mimo_sig_qual[i] = evm & 0xff;
239 /* UI BSS List signal strength(in percentage),
240 * make it good looking, from 0~100.
243 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
245 else if (rf_rx_num != 0)
246 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
247 total_rssi /= rf_rx_num));
248 /*HW antenna diversity*/
249 rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel;
250 rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
251 rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
254 static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
255 struct rtl_stats *pstatus)
257 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
258 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
260 struct fast_ant_training *pfat = &(rtldm->fat_table);
262 if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
263 if (pfat->fat_state == FAT_TRAINING_STATE) {
264 if (pstatus->packet_toself) {
265 ant_mux = (pfat->antsel_rx_keep_2 << 2) |
266 (pfat->antsel_rx_keep_1 << 1) |
267 pfat->antsel_rx_keep_0;
268 pfat->ant_sum[ant_mux] += pstatus->rx_pwdb_all;
269 pfat->ant_cnt[ant_mux]++;
272 } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
273 (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
274 if (pstatus->packet_toself || pstatus->packet_matchbssid) {
275 ant_mux = (pfat->antsel_rx_keep_2 << 2) |
276 (pfat->antsel_rx_keep_1 << 1) |
277 pfat->antsel_rx_keep_0;
278 rtl88e_dm_ant_sel_statistics(hw, ant_mux, 0,
279 pstatus->rx_pwdb_all);
284 static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
285 struct sk_buff *skb, struct rtl_stats *pstatus,
286 u8 *pdesc, struct rx_fwinfo_88e *p_drvinfo)
288 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
289 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
290 struct ieee80211_hdr *hdr;
296 bool match_bssid, packet_toself, packet_beacon, addr;
298 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
300 hdr = (struct ieee80211_hdr *)tmp_buf;
301 fc = hdr->frame_control;
302 ufc = le16_to_cpu(fc);
303 type = WLAN_FC_GET_TYPE(fc);
305 psaddr = ieee80211_get_SA(hdr);
306 memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
308 addr = ether_addr_equal(mac->bssid,
309 (ufc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
310 (ufc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
312 match_bssid = ((IEEE80211_FTYPE_CTL != type) && (!pstatus->hwerror) &&
313 (!pstatus->crc) && (!pstatus->icv)) && addr;
315 addr = ether_addr_equal(praddr, rtlefuse->dev_addr);
316 packet_toself = match_bssid && addr;
318 if (ieee80211_is_beacon(fc))
319 packet_beacon = true;
321 _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
322 match_bssid, packet_toself, packet_beacon);
323 _rtl88ee_smart_antenna(hw, pstatus);
324 rtl_process_phyinfo(hw, tmp_buf, pstatus);
327 static void insert_em(struct rtl_tcb_desc *ptcb_desc, u8 *virtualaddress)
331 memset(virtualaddress, 0, 8);
333 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
334 if (ptcb_desc->empkt_num == 1) {
335 dwtmp = ptcb_desc->empkt_len[0];
337 dwtmp = ptcb_desc->empkt_len[0];
338 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
339 dwtmp += ptcb_desc->empkt_len[1];
341 SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
343 if (ptcb_desc->empkt_num <= 3) {
344 dwtmp = ptcb_desc->empkt_len[2];
346 dwtmp = ptcb_desc->empkt_len[2];
347 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
348 dwtmp += ptcb_desc->empkt_len[3];
350 SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
351 if (ptcb_desc->empkt_num <= 5) {
352 dwtmp = ptcb_desc->empkt_len[4];
354 dwtmp = ptcb_desc->empkt_len[4];
355 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
356 dwtmp += ptcb_desc->empkt_len[5];
358 SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
359 SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
360 if (ptcb_desc->empkt_num <= 7) {
361 dwtmp = ptcb_desc->empkt_len[6];
363 dwtmp = ptcb_desc->empkt_len[6];
364 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
365 dwtmp += ptcb_desc->empkt_len[7];
367 SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
368 if (ptcb_desc->empkt_num <= 9) {
369 dwtmp = ptcb_desc->empkt_len[8];
371 dwtmp = ptcb_desc->empkt_len[8];
372 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
373 dwtmp += ptcb_desc->empkt_len[9];
375 SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
378 bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
379 struct rtl_stats *status,
380 struct ieee80211_rx_status *rx_status,
381 u8 *pdesc, struct sk_buff *skb)
383 struct rtl_priv *rtlpriv = rtl_priv(hw);
384 struct rx_fwinfo_88e *p_drvinfo;
385 struct ieee80211_hdr *hdr;
387 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
388 status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
389 if (status->packet_report_type == TX_REPORT2)
390 status->length = (u16) GET_RX_RPT2_DESC_PKT_LEN(pdesc);
392 status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
393 status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
394 RX_DRV_INFO_SIZE_UNIT;
395 status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
396 status->icv = (u16) GET_RX_DESC_ICV(pdesc);
397 status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
398 status->hwerror = (status->crc | status->icv);
399 status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
400 status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
401 status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
402 status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
403 status->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) &&
404 (GET_RX_DESC_FAGGR(pdesc) == 1));
405 if (status->packet_report_type == NORMAL_RX)
406 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
407 status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
408 status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
410 status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
412 status->macid = GET_RX_DESC_MACID(pdesc);
413 if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
414 status->wake_match = BIT(2);
415 else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
416 status->wake_match = BIT(1);
417 else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
418 status->wake_match = BIT(0);
420 status->wake_match = 0;
421 if (status->wake_match)
422 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
423 "Get Wakeup Packet!! WakeMatch =%d\n",
425 rx_status->freq = hw->conf.chandef.chan->center_freq;
426 rx_status->band = hw->conf.chandef.chan->band;
429 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
431 if (status->rx_is40Mhzpacket)
432 rx_status->flag |= RX_FLAG_40MHZ;
435 rx_status->flag |= RX_FLAG_HT;
437 rx_status->flag |= RX_FLAG_MACTIME_START;
439 /* hw will set status->decrypted true, if it finds the
440 * frame is open data frame or mgmt frame.
441 * So hw will not decryption robust managment frame
442 * for IEEE80211w but still set status->decrypted
443 * true, so here we should set it back to undecrypted
444 * for IEEE80211w frame, and mac80211 sw will help
447 if (status->decrypted) {
448 hdr = (struct ieee80211_hdr *)(skb->data +
449 status->rx_drvinfo_size + status->rx_bufshift);
452 /* During testing, hdr was NULL */
455 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
456 (ieee80211_has_protected(hdr->frame_control)))
457 rx_status->flag &= ~RX_FLAG_DECRYPTED;
459 rx_status->flag |= RX_FLAG_DECRYPTED;
462 /* rate_idx: index of data rate into band's
463 * supported rates or MCS index if HT rates
464 * are use (RX_FLAG_HT)
465 * Notice: this is diff with windows define
467 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
468 status->rate, false);
470 rx_status->mactime = status->timestamp_low;
471 if (phystatus == true) {
472 p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
473 status->rx_bufshift);
475 _rtl88ee_translate_rx_signal_stuff(hw, skb, status, pdesc,
479 /*rx_status->qual = status->signal; */
480 rx_status->signal = status->recvsignalpower + 10;
481 if (status->packet_report_type == TX_REPORT2) {
482 status->macid_valid_entry[0] =
483 GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
484 status->macid_valid_entry[1] =
485 GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
490 void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
491 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
492 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
493 struct ieee80211_sta *sta, struct sk_buff *skb,
494 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
496 struct rtl_priv *rtlpriv = rtl_priv(hw);
497 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
498 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
499 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
500 u8 *pdesc = (u8 *)pdesc_tx;
502 __le16 fc = hdr->frame_control;
503 unsigned int buf_len = 0;
504 unsigned int skb_len = skb->len;
505 u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue);
506 bool firstseg = ((hdr->seq_ctrl &
507 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
508 bool lastseg = ((hdr->frame_control &
509 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
514 if (mac->opmode == NL80211_IFTYPE_STATION) {
516 } else if (mac->opmode == NL80211_IFTYPE_AP ||
517 mac->opmode == NL80211_IFTYPE_ADHOC) {
519 bw_40 = sta->ht_cap.cap &
520 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
522 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
523 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
524 /* reserve 8 byte for AMPDU early mode */
525 if (rtlhal->earlymode_enable) {
526 skb_push(skb, EM_HDR_LEN);
527 memset(skb->data, 0, EM_HDR_LEN);
530 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
532 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
533 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
534 "DMA mapping error");
537 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_88e));
538 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
543 if (rtlhal->earlymode_enable) {
544 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
545 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
547 if (ptcb_desc->empkt_num) {
548 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
549 "Insert 8 byte.pTcb->EMPktNum:%d\n",
550 ptcb_desc->empkt_num);
551 insert_em(ptcb_desc, (u8 *)(skb->data));
554 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
557 ptcb_desc->use_driver_rate = true;
558 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
559 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
560 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
562 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
563 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
565 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
566 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
567 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
569 SET_TX_DESC_SEQ(pdesc, seq_number);
570 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
571 !ptcb_desc->cts_enable) ? 1 : 0));
572 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
573 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
574 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
576 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
577 SET_TX_DESC_RTS_BW(pdesc, 0);
578 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
579 SET_TX_DESC_RTS_SHORT(pdesc,
580 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
581 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
582 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
584 if (ptcb_desc->btx_enable_sw_calc_duration)
585 SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
588 if (ptcb_desc->packet_bw) {
589 SET_TX_DESC_DATA_BW(pdesc, 1);
590 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
592 SET_TX_DESC_DATA_BW(pdesc, 0);
593 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
594 mac->cur_40_prime_sc);
597 SET_TX_DESC_DATA_BW(pdesc, 0);
598 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
601 SET_TX_DESC_LINIP(pdesc, 0);
602 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
604 u8 ampdu_density = sta->ht_cap.ampdu_density;
605 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
607 if (info->control.hw_key) {
608 struct ieee80211_key_conf *keyconf;
609 keyconf = info->control.hw_key;
610 switch (keyconf->cipher) {
611 case WLAN_CIPHER_SUITE_WEP40:
612 case WLAN_CIPHER_SUITE_WEP104:
613 case WLAN_CIPHER_SUITE_TKIP:
614 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
616 case WLAN_CIPHER_SUITE_CCMP:
617 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
620 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
625 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
626 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
627 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
628 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
630 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
632 /* Set TxRate and RTSRate in TxDesc */
633 /* This prevent Tx initial rate of new-coming packets */
634 /* from being overwritten by retried packet rate.*/
635 if (!ptcb_desc->use_driver_rate) {
636 /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
637 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
639 if (ieee80211_is_data_qos(fc)) {
641 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
642 "Enable RDG function.\n");
643 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
644 SET_TX_DESC_HTC(pdesc, 1);
649 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
650 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
651 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
652 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
653 if (rtlpriv->dm.useramask) {
654 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
655 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
657 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
658 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
660 if (ieee80211_is_data_qos(fc))
661 SET_TX_DESC_QOS(pdesc, 1);
663 if (!ieee80211_is_data_qos(fc))
664 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
665 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
666 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
667 is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
668 SET_TX_DESC_BMC(pdesc, 1);
670 rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
671 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
674 void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
675 u8 *pdesc, bool firstseg,
676 bool lastseg, struct sk_buff *skb)
678 struct rtl_priv *rtlpriv = rtl_priv(hw);
679 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
680 u8 fw_queue = QSLT_BEACON;
682 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
686 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
687 __le16 fc = hdr->frame_control;
689 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
690 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
691 "DMA mapping error");
694 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
697 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
699 SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
701 SET_TX_DESC_SEQ(pdesc, 0);
703 SET_TX_DESC_LINIP(pdesc, 0);
705 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
707 SET_TX_DESC_FIRST_SEG(pdesc, 1);
708 SET_TX_DESC_LAST_SEG(pdesc, 1);
710 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
712 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
714 SET_TX_DESC_RATE_ID(pdesc, 7);
715 SET_TX_DESC_MACID(pdesc, 0);
717 SET_TX_DESC_OWN(pdesc, 1);
719 SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
721 SET_TX_DESC_FIRST_SEG(pdesc, 1);
722 SET_TX_DESC_LAST_SEG(pdesc, 1);
724 SET_TX_DESC_OFFSET(pdesc, 0x20);
726 SET_TX_DESC_USE_RATE(pdesc, 1);
728 if (!ieee80211_is_data_qos(fc))
729 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
731 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
732 "H2C Tx Cmd Content\n",
733 pdesc, TX_DESC_SIZE);
736 void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
737 u8 desc_name, u8 *val)
742 SET_TX_DESC_OWN(pdesc, 1);
744 case HW_DESC_TX_NEXTDESC_ADDR:
745 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
748 RT_ASSERT(false, "ERR txdesc :%d not processed\n",
755 SET_RX_DESC_OWN(pdesc, 1);
757 case HW_DESC_RXBUFF_ADDR:
758 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
760 case HW_DESC_RXPKT_LEN:
761 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
764 SET_RX_DESC_EOR(pdesc, 1);
767 RT_ASSERT(false, "ERR rxdesc :%d not processed\n",
774 u32 rtl88ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
781 ret = GET_TX_DESC_OWN(pdesc);
783 case HW_DESC_TXBUFF_ADDR:
784 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
787 RT_ASSERT(false, "ERR txdesc :%d not processed\n",
794 ret = GET_RX_DESC_OWN(pdesc);
796 case HW_DESC_RXPKT_LEN:
797 ret = GET_RX_DESC_PKT_LEN(pdesc);
800 RT_ASSERT(false, "ERR rxdesc :%d not processed\n",
808 void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
810 struct rtl_priv *rtlpriv = rtl_priv(hw);
811 if (hw_queue == BEACON_QUEUE) {
812 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
814 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
815 BIT(0) << (hw_queue));