1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
3 */
4
5 #include <linux/iopoll.h>
6
7 #include "main.h"
8 #include "coex.h"
9 #include "fw.h"
10 #include "tx.h"
11 #include "reg.h"
12 #include "sec.h"
13 #include "debug.h"
14 #include "util.h"
15 #include "wow.h"
16 #include "ps.h"
17 #include "phy.h"
18 #include "mac.h"
19
rtw_fw_c2h_cmd_handle_ext(struct rtw_dev * rtwdev,struct sk_buff * skb)20 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
21 struct sk_buff *skb)
22 {
23 struct rtw_c2h_cmd *c2h;
24 u8 sub_cmd_id;
25
26 c2h = get_c2h_from_skb(skb);
27 sub_cmd_id = c2h->payload[0];
28
29 switch (sub_cmd_id) {
30 case C2H_CCX_RPT:
31 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT);
32 break;
33 case C2H_SCAN_STATUS_RPT:
34 rtw_hw_scan_status_report(rtwdev, skb);
35 break;
36 case C2H_CHAN_SWITCH:
37 rtw_hw_scan_chan_switch(rtwdev, skb);
38 break;
39 default:
40 break;
41 }
42 }
43
get_max_amsdu_len(u32 bit_rate)44 static u16 get_max_amsdu_len(u32 bit_rate)
45 {
46 /* lower than ofdm, do not aggregate */
47 if (bit_rate < 550)
48 return 1;
49
50 /* lower than 20M 2ss mcs8, make it small */
51 if (bit_rate < 1800)
52 return 1200;
53
54 /* lower than 40M 2ss mcs9, make it medium */
55 if (bit_rate < 4000)
56 return 2600;
57
58 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */
59 if (bit_rate < 7000)
60 return 3500;
61
62 /* unlimited */
63 return 0;
64 }
65
66 struct rtw_fw_iter_ra_data {
67 struct rtw_dev *rtwdev;
68 u8 *payload;
69 };
70
rtw_fw_ra_report_iter(void * data,struct ieee80211_sta * sta)71 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)
72 {
73 struct rtw_fw_iter_ra_data *ra_data = data;
74 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
75 u8 mac_id, rate, sgi, bw;
76 u8 mcs, nss;
77 u32 bit_rate;
78
79 mac_id = GET_RA_REPORT_MACID(ra_data->payload);
80 if (si->mac_id != mac_id)
81 return;
82
83 si->ra_report.txrate.flags = 0;
84
85 rate = GET_RA_REPORT_RATE(ra_data->payload);
86 sgi = GET_RA_REPORT_SGI(ra_data->payload);
87 bw = GET_RA_REPORT_BW(ra_data->payload);
88
89 if (rate < DESC_RATEMCS0) {
90 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);
91 goto legacy;
92 }
93
94 rtw_desc_to_mcsrate(rate, &mcs, &nss);
95 if (rate >= DESC_RATEVHT1SS_MCS0)
96 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
97 else if (rate >= DESC_RATEMCS0)
98 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;
99
100 if (rate >= DESC_RATEMCS0) {
101 si->ra_report.txrate.mcs = mcs;
102 si->ra_report.txrate.nss = nss;
103 }
104
105 if (sgi)
106 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
107
108 if (bw == RTW_CHANNEL_WIDTH_80)
109 si->ra_report.txrate.bw = RATE_INFO_BW_80;
110 else if (bw == RTW_CHANNEL_WIDTH_40)
111 si->ra_report.txrate.bw = RATE_INFO_BW_40;
112 else
113 si->ra_report.txrate.bw = RATE_INFO_BW_20;
114
115 legacy:
116 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);
117
118 si->ra_report.desc_rate = rate;
119 si->ra_report.bit_rate = bit_rate;
120
121 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate);
122 }
123
rtw_fw_ra_report_handle(struct rtw_dev * rtwdev,u8 * payload,u8 length)124 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,
125 u8 length)
126 {
127 struct rtw_fw_iter_ra_data ra_data;
128
129 if (WARN(length < 7, "invalid ra report c2h length\n"))
130 return;
131
132 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload);
133 ra_data.rtwdev = rtwdev;
134 ra_data.payload = payload;
135 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);
136 }
137
138 struct rtw_beacon_filter_iter_data {
139 struct rtw_dev *rtwdev;
140 u8 *payload;
141 };
142
rtw_fw_bcn_filter_notify_vif_iter(void * data,struct ieee80211_vif * vif)143 static void rtw_fw_bcn_filter_notify_vif_iter(void *data,
144 struct ieee80211_vif *vif)
145 {
146 struct rtw_beacon_filter_iter_data *iter_data = data;
147 struct rtw_dev *rtwdev = iter_data->rtwdev;
148 u8 *payload = iter_data->payload;
149 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload);
150 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload);
151 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload);
152
153 switch (type) {
154 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE:
155 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :
156 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
157 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL);
158 break;
159 case BCN_FILTER_CONNECTION_LOSS:
160 ieee80211_connection_loss(vif);
161 break;
162 case BCN_FILTER_CONNECTED:
163 rtwdev->beacon_loss = false;
164 break;
165 case BCN_FILTER_NOTIFY_BEACON_LOSS:
166 rtwdev->beacon_loss = true;
167 rtw_leave_lps(rtwdev);
168 break;
169 }
170 }
171
rtw_fw_bcn_filter_notify(struct rtw_dev * rtwdev,u8 * payload,u8 length)172 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload,
173 u8 length)
174 {
175 struct rtw_beacon_filter_iter_data dev_iter_data;
176
177 dev_iter_data.rtwdev = rtwdev;
178 dev_iter_data.payload = payload;
179 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter,
180 &dev_iter_data);
181 }
182
rtw_fw_scan_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)183 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload,
184 u8 length)
185 {
186 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
187
188 dm_info->scan_density = payload[0];
189
190 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n",
191 dm_info->scan_density);
192 }
193
rtw_fw_adaptivity_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)194 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload,
195 u8 length)
196 {
197 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
198 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload;
199
200 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
201 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n",
202 result->density, result->igi, result->l2h_th_init, result->l2h,
203 result->h2l, result->option);
204
205 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n",
206 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
207 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask),
208 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
209 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask));
210
211 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n",
212 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ?
213 "Set" : "Unset");
214 }
215
rtw_fw_c2h_cmd_handle(struct rtw_dev * rtwdev,struct sk_buff * skb)216 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
217 {
218 struct rtw_c2h_cmd *c2h;
219 u32 pkt_offset;
220 u8 len;
221
222 pkt_offset = *((u32 *)skb->cb);
223 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
224 len = skb->len - pkt_offset - 2;
225
226 mutex_lock(&rtwdev->mutex);
227
228 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
229 goto unlock;
230
231 switch (c2h->id) {
232 case C2H_CCX_TX_RPT:
233 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
234 break;
235 case C2H_BT_INFO:
236 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
237 break;
238 case C2H_BT_HID_INFO:
239 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len);
240 break;
241 case C2H_WLAN_INFO:
242 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
243 break;
244 case C2H_BCN_FILTER_NOTIFY:
245 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len);
246 break;
247 case C2H_HALMAC:
248 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
249 break;
250 case C2H_RA_RPT:
251 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
252 break;
253 default:
254 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
255 break;
256 }
257
258 unlock:
259 mutex_unlock(&rtwdev->mutex);
260 }
261
rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev * rtwdev,u32 pkt_offset,struct sk_buff * skb)262 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
263 struct sk_buff *skb)
264 {
265 struct rtw_c2h_cmd *c2h;
266 u8 len;
267
268 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
269 len = skb->len - pkt_offset - 2;
270 *((u32 *)skb->cb) = pkt_offset;
271
272 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
273 c2h->id, c2h->seq, len);
274
275 switch (c2h->id) {
276 case C2H_BT_MP_INFO:
277 rtw_coex_info_response(rtwdev, skb);
278 break;
279 case C2H_WLAN_RFON:
280 complete(&rtwdev->lps_leave_check);
281 dev_kfree_skb_any(skb);
282 break;
283 case C2H_SCAN_RESULT:
284 complete(&rtwdev->fw_scan_density);
285 rtw_fw_scan_result(rtwdev, c2h->payload, len);
286 dev_kfree_skb_any(skb);
287 break;
288 case C2H_ADAPTIVITY:
289 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);
290 dev_kfree_skb_any(skb);
291 break;
292 default:
293 /* pass offset for further operation */
294 *((u32 *)skb->cb) = pkt_offset;
295 skb_queue_tail(&rtwdev->c2h_queue, skb);
296 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
297 break;
298 }
299 }
300 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
301
rtw_fw_c2h_cmd_isr(struct rtw_dev * rtwdev)302 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
303 {
304 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)
305 rtw_fw_recovery(rtwdev);
306 else
307 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");
308 }
309 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
310
rtw_fw_send_h2c_command_register(struct rtw_dev * rtwdev,struct rtw_h2c_register * h2c)311 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,
312 struct rtw_h2c_register *h2c)
313 {
314 u32 box_reg, box_ex_reg;
315 u8 box_state, box;
316 int ret;
317
318 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,
319 h2c->w1);
320
321 lockdep_assert_held(&rtwdev->mutex);
322
323 box = rtwdev->h2c.last_box_num;
324 switch (box) {
325 case 0:
326 box_reg = REG_HMEBOX0;
327 box_ex_reg = REG_HMEBOX0_EX;
328 break;
329 case 1:
330 box_reg = REG_HMEBOX1;
331 box_ex_reg = REG_HMEBOX1_EX;
332 break;
333 case 2:
334 box_reg = REG_HMEBOX2;
335 box_ex_reg = REG_HMEBOX2_EX;
336 break;
337 case 3:
338 box_reg = REG_HMEBOX3;
339 box_ex_reg = REG_HMEBOX3_EX;
340 break;
341 default:
342 WARN(1, "invalid h2c mail box number\n");
343 return;
344 }
345
346 ret = read_poll_timeout_atomic(rtw_read8, box_state,
347 !((box_state >> box) & 0x1), 100, 3000,
348 false, rtwdev, REG_HMETFR);
349
350 if (ret) {
351 rtw_err(rtwdev, "failed to send h2c command\n");
352 return;
353 }
354
355 rtw_write32(rtwdev, box_ex_reg, h2c->w1);
356 rtw_write32(rtwdev, box_reg, h2c->w0);
357
358 if (++rtwdev->h2c.last_box_num >= 4)
359 rtwdev->h2c.last_box_num = 0;
360 }
361
rtw_fw_send_h2c_command(struct rtw_dev * rtwdev,u8 * h2c)362 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
363 u8 *h2c)
364 {
365 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;
366 u8 box;
367 u8 box_state;
368 u32 box_reg, box_ex_reg;
369 int ret;
370
371 rtw_dbg(rtwdev, RTW_DBG_FW,
372 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
373 h2c[3], h2c[2], h2c[1], h2c[0],
374 h2c[7], h2c[6], h2c[5], h2c[4]);
375
376 lockdep_assert_held(&rtwdev->mutex);
377
378 box = rtwdev->h2c.last_box_num;
379 switch (box) {
380 case 0:
381 box_reg = REG_HMEBOX0;
382 box_ex_reg = REG_HMEBOX0_EX;
383 break;
384 case 1:
385 box_reg = REG_HMEBOX1;
386 box_ex_reg = REG_HMEBOX1_EX;
387 break;
388 case 2:
389 box_reg = REG_HMEBOX2;
390 box_ex_reg = REG_HMEBOX2_EX;
391 break;
392 case 3:
393 box_reg = REG_HMEBOX3;
394 box_ex_reg = REG_HMEBOX3_EX;
395 break;
396 default:
397 WARN(1, "invalid h2c mail box number\n");
398 return;
399 }
400
401 ret = read_poll_timeout_atomic(rtw_read8, box_state,
402 !((box_state >> box) & 0x1), 100, 3000,
403 false, rtwdev, REG_HMETFR);
404
405 if (ret) {
406 rtw_err(rtwdev, "failed to send h2c command\n");
407 return;
408 }
409
410 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));
411 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));
412
413 if (++rtwdev->h2c.last_box_num >= 4)
414 rtwdev->h2c.last_box_num = 0;
415 }
416
rtw_fw_h2c_cmd_dbg(struct rtw_dev * rtwdev,u8 * h2c)417 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
418 {
419 rtw_fw_send_h2c_command(rtwdev, h2c);
420 }
421
rtw_fw_send_h2c_packet(struct rtw_dev * rtwdev,u8 * h2c_pkt)422 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
423 {
424 int ret;
425
426 lockdep_assert_held(&rtwdev->mutex);
427
428 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
429 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
430 if (ret)
431 rtw_err(rtwdev, "failed to send h2c packet\n");
432 rtwdev->h2c.seq++;
433 }
434
435 void
rtw_fw_send_general_info(struct rtw_dev * rtwdev)436 rtw_fw_send_general_info(struct rtw_dev *rtwdev)
437 {
438 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
439 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
440 u16 total_size = H2C_PKT_HDR_SIZE + 4;
441
442 if (rtw_chip_wcpu_11n(rtwdev))
443 return;
444
445 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
446
447 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
448
449 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
450 fifo->rsvd_fw_txbuf_addr -
451 fifo->rsvd_boundary);
452
453 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
454 }
455
456 void
rtw_fw_send_phydm_info(struct rtw_dev * rtwdev)457 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
458 {
459 struct rtw_hal *hal = &rtwdev->hal;
460 struct rtw_efuse *efuse = &rtwdev->efuse;
461 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
462 u16 total_size = H2C_PKT_HDR_SIZE + 8;
463 u8 fw_rf_type = 0;
464
465 if (rtw_chip_wcpu_11n(rtwdev))
466 return;
467
468 if (hal->rf_type == RF_1T1R)
469 fw_rf_type = FW_RF_1T1R;
470 else if (hal->rf_type == RF_2T2R)
471 fw_rf_type = FW_RF_2T2R;
472
473 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
474
475 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
476 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
477 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
478 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
479 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
480 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
481
482 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
483 }
484
rtw_fw_do_iqk(struct rtw_dev * rtwdev,struct rtw_iqk_para * para)485 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
486 {
487 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
488 u16 total_size = H2C_PKT_HDR_SIZE + 1;
489
490 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
491 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
492 IQK_SET_CLEAR(h2c_pkt, para->clear);
493 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
494
495 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
496 }
497 EXPORT_SYMBOL(rtw_fw_do_iqk);
498
rtw_fw_inform_rfk_status(struct rtw_dev * rtwdev,bool start)499 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)
500 {
501 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
502
503 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);
504
505 RFK_SET_INFORM_START(h2c_pkt, start);
506
507 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
508 }
509 EXPORT_SYMBOL(rtw_fw_inform_rfk_status);
510
rtw_fw_query_bt_info(struct rtw_dev * rtwdev)511 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
512 {
513 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
514
515 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
516
517 SET_QUERY_BT_INFO(h2c_pkt, true);
518
519 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
520 }
521
rtw_fw_default_port(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)522 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
523 {
524 struct rtw_h2c_register h2c = {};
525
526 if (rtwvif->net_type != RTW_NET_MGD_LINKED)
527 return;
528
529 /* Leave LPS before default port H2C so FW timer is correct */
530 rtw_leave_lps(rtwdev);
531
532 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) |
533 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) |
534 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID);
535
536 rtw_fw_send_h2c_command_register(rtwdev, &h2c);
537 }
538
rtw_fw_wl_ch_info(struct rtw_dev * rtwdev,u8 link,u8 ch,u8 bw)539 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
540 {
541 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
542
543 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
544
545 SET_WL_CH_INFO_LINK(h2c_pkt, link);
546 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
547 SET_WL_CH_INFO_BW(h2c_pkt, bw);
548
549 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
550 }
551
rtw_fw_query_bt_mp_info(struct rtw_dev * rtwdev,struct rtw_coex_info_req * req)552 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
553 struct rtw_coex_info_req *req)
554 {
555 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
556
557 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
558
559 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
560 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
561 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
562 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
563 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
564
565 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
566 }
567
rtw_fw_force_bt_tx_power(struct rtw_dev * rtwdev,u8 bt_pwr_dec_lvl)568 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
569 {
570 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
571 u8 index = 0 - bt_pwr_dec_lvl;
572
573 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
574
575 SET_BT_TX_POWER_INDEX(h2c_pkt, index);
576
577 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
578 }
579
rtw_fw_bt_ignore_wlan_action(struct rtw_dev * rtwdev,bool enable)580 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
581 {
582 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
583
584 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
585
586 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
587
588 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
589 }
590
rtw_fw_coex_tdma_type(struct rtw_dev * rtwdev,u8 para1,u8 para2,u8 para3,u8 para4,u8 para5)591 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
592 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
593 {
594 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
595
596 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
597
598 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
599 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
600 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
601 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
602 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
603
604 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
605 }
606
rtw_fw_coex_query_hid_info(struct rtw_dev * rtwdev,u8 sub_id,u8 data)607 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)
608 {
609 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
610
611 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);
612
613 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);
614 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);
615
616 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
617 }
618
rtw_fw_bt_wifi_control(struct rtw_dev * rtwdev,u8 op_code,u8 * data)619 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
620 {
621 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
622
623 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
624
625 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
626
627 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
628 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
629 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
630 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
631 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
632
633 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
634 }
635
rtw_fw_send_rssi_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si)636 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
637 {
638 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
639 u8 rssi = ewma_rssi_read(&si->avg_rssi);
640 bool stbc_en = si->stbc_en ? true : false;
641
642 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
643
644 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
645 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
646 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
647
648 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
649 }
650
rtw_fw_send_ra_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si,bool reset_ra_mask)651 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,
652 bool reset_ra_mask)
653 {
654 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
655 bool disable_pt = true;
656
657 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
658
659 SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
660 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
661 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
662 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
663 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
664 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en);
665 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask);
666 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
667 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
668 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
669 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
670 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
671 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
672
673 si->init_ra_lv = 0;
674
675 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
676 }
677
rtw_fw_media_status_report(struct rtw_dev * rtwdev,u8 mac_id,bool connect)678 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
679 {
680 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
681
682 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
683 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
684 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
685
686 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
687 }
688
rtw_fw_update_wl_phy_info(struct rtw_dev * rtwdev)689 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)
690 {
691 struct rtw_traffic_stats *stats = &rtwdev->stats;
692 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
693 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
694
695 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);
696 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);
697 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);
698 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);
699 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);
700 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);
701 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
702 }
703
rtw_fw_beacon_filter_config(struct rtw_dev * rtwdev,bool connect,struct ieee80211_vif * vif)704 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,
705 struct ieee80211_vif *vif)
706 {
707 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
708 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
709 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;
710 struct rtw_sta_info *si =
711 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;
712 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset;
713 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
714
715 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
716 return;
717
718 if (!connect) {
719 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
720 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
721 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
722
723 return;
724 }
725
726 if (!si)
727 return;
728
729 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);
730 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);
731 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
732
733 memset(h2c_pkt, 0, sizeof(h2c_pkt));
734 threshold = clamp_t(s32, threshold, rssi_min, rssi_max);
735 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
736 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
737 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,
738 BCN_FILTER_OFFLOAD_MODE_DEFAULT);
739 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold);
740 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);
741 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);
742 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst);
743 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);
744 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
745 }
746
rtw_fw_set_pwr_mode(struct rtw_dev * rtwdev)747 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
748 {
749 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
750 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
751
752 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
753
754 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
755 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
756 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
757 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
758 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
759 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
760
761 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
762 }
763
rtw_fw_set_keep_alive_cmd(struct rtw_dev * rtwdev,bool enable)764 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
765 {
766 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
767 struct rtw_fw_wow_keep_alive_para mode = {
768 .adopt = true,
769 .pkt_type = KEEP_ALIVE_NULL_PKT,
770 .period = 5,
771 };
772
773 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
774 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
775 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
776 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
777 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
778
779 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
780 }
781
rtw_fw_set_disconnect_decision_cmd(struct rtw_dev * rtwdev,bool enable)782 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
783 {
784 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
785 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
786 struct rtw_fw_wow_disconnect_para mode = {
787 .adopt = true,
788 .period = 30,
789 .retry_count = 5,
790 };
791
792 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
793
794 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
795 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
796 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
797 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
798 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
799 }
800
801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
802 }
803
rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)804 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
805 {
806 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
807 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
808
809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
810
811 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
812 if (rtw_wow_mgd_linked(rtwdev)) {
813 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
814 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
815 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
816 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
817 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
818 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
819 if (rtw_wow->pattern_cnt)
820 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
821 }
822
823 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
824 }
825
rtw_fw_set_aoac_global_info_cmd(struct rtw_dev * rtwdev,u8 pairwise_key_enc,u8 group_key_enc)826 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
827 u8 pairwise_key_enc,
828 u8 group_key_enc)
829 {
830 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
831
832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
833
834 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
835 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
836
837 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
838 }
839
rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)840 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
841 {
842 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
843
844 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
845
846 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
847
848 if (rtw_wow_no_link(rtwdev))
849 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
850
851 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
852 }
853
rtw_get_rsvd_page_location(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type)854 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
855 enum rtw_rsvd_packet_type type)
856 {
857 struct rtw_rsvd_page *rsvd_pkt;
858 u8 location = 0;
859
860 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
861 if (type == rsvd_pkt->type)
862 location = rsvd_pkt->page;
863 }
864
865 return location;
866 }
867
rtw_fw_set_nlo_info(struct rtw_dev * rtwdev,bool enable)868 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
869 {
870 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
871 u8 loc_nlo;
872
873 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
874
875 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
876
877 SET_NLO_FUN_EN(h2c_pkt, enable);
878 if (enable) {
879 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)
880 SET_NLO_PS_32K(h2c_pkt, enable);
881 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
882 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
883 }
884
885 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
886 }
887
rtw_fw_set_recover_bt_device(struct rtw_dev * rtwdev)888 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
889 {
890 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
891
892 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
893 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
894
895 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
896 }
897
rtw_fw_set_pg_info(struct rtw_dev * rtwdev)898 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
899 {
900 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
901 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
902 u8 loc_pg, loc_dpk;
903
904 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
905 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
906
907 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
908
909 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
910 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
911 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
912 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
913
914 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
915 }
916
rtw_get_rsvd_page_probe_req_location(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)917 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
918 struct cfg80211_ssid *ssid)
919 {
920 struct rtw_rsvd_page *rsvd_pkt;
921 u8 location = 0;
922
923 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
924 if (rsvd_pkt->type != RSVD_PROBE_REQ)
925 continue;
926 if ((!ssid && !rsvd_pkt->ssid) ||
927 rtw_ssid_equal(rsvd_pkt->ssid, ssid))
928 location = rsvd_pkt->page;
929 }
930
931 return location;
932 }
933
rtw_get_rsvd_page_probe_req_size(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)934 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
935 struct cfg80211_ssid *ssid)
936 {
937 struct rtw_rsvd_page *rsvd_pkt;
938 u16 size = 0;
939
940 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
941 if (rsvd_pkt->type != RSVD_PROBE_REQ)
942 continue;
943 if ((!ssid && !rsvd_pkt->ssid) ||
944 rtw_ssid_equal(rsvd_pkt->ssid, ssid))
945 size = rsvd_pkt->probe_req_size;
946 }
947
948 return size;
949 }
950
rtw_send_rsvd_page_h2c(struct rtw_dev * rtwdev)951 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
952 {
953 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
954 u8 location = 0;
955
956 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
957
958 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
959 *(h2c_pkt + 1) = location;
960 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
961
962 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
963 *(h2c_pkt + 2) = location;
964 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
965
966 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
967 *(h2c_pkt + 3) = location;
968 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
969
970 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
971 *(h2c_pkt + 4) = location;
972 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
973
974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
975 }
976
rtw_nlo_info_get(struct ieee80211_hw * hw)977 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
978 {
979 struct rtw_dev *rtwdev = hw->priv;
980 const struct rtw_chip_info *chip = rtwdev->chip;
981 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
982 struct rtw_nlo_info_hdr *nlo_hdr;
983 struct cfg80211_ssid *ssid;
984 struct sk_buff *skb;
985 u8 *pos, loc;
986 u32 size;
987 int i;
988
989 if (!pno_req->inited || !pno_req->match_set_cnt)
990 return NULL;
991
992 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
993 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
994
995 skb = alloc_skb(size, GFP_KERNEL);
996 if (!skb)
997 return NULL;
998
999 skb_reserve(skb, chip->tx_pkt_desc_sz);
1000
1001 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
1002
1003 nlo_hdr->nlo_count = pno_req->match_set_cnt;
1004 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
1005
1006 /* pattern check for firmware */
1007 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
1008
1009 for (i = 0; i < pno_req->match_set_cnt; i++)
1010 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
1011
1012 for (i = 0; i < pno_req->match_set_cnt; i++) {
1013 ssid = &pno_req->match_sets[i].ssid;
1014 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1015 if (!loc) {
1016 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
1017 kfree_skb(skb);
1018 return NULL;
1019 }
1020 nlo_hdr->location[i] = loc;
1021 }
1022
1023 for (i = 0; i < pno_req->match_set_cnt; i++) {
1024 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
1025 memcpy(pos, pno_req->match_sets[i].ssid.ssid,
1026 pno_req->match_sets[i].ssid.ssid_len);
1027 }
1028
1029 return skb;
1030 }
1031
rtw_cs_channel_info_get(struct ieee80211_hw * hw)1032 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
1033 {
1034 struct rtw_dev *rtwdev = hw->priv;
1035 const struct rtw_chip_info *chip = rtwdev->chip;
1036 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1037 struct ieee80211_channel *channels = pno_req->channels;
1038 struct sk_buff *skb;
1039 int count = pno_req->channel_cnt;
1040 u8 *pos;
1041 int i = 0;
1042
1043 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
1044 if (!skb)
1045 return NULL;
1046
1047 skb_reserve(skb, chip->tx_pkt_desc_sz);
1048
1049 for (i = 0; i < count; i++) {
1050 pos = skb_put_zero(skb, 4);
1051
1052 CHSW_INFO_SET_CH(pos, channels[i].hw_value);
1053
1054 if (channels[i].flags & IEEE80211_CHAN_RADAR)
1055 CHSW_INFO_SET_ACTION_ID(pos, 0);
1056 else
1057 CHSW_INFO_SET_ACTION_ID(pos, 1);
1058 CHSW_INFO_SET_TIMEOUT(pos, 1);
1059 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
1060 CHSW_INFO_SET_BW(pos, 0);
1061 }
1062
1063 return skb;
1064 }
1065
rtw_lps_pg_dpk_get(struct ieee80211_hw * hw)1066 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
1067 {
1068 struct rtw_dev *rtwdev = hw->priv;
1069 const struct rtw_chip_info *chip = rtwdev->chip;
1070 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
1071 struct rtw_lps_pg_dpk_hdr *dpk_hdr;
1072 struct sk_buff *skb;
1073 u32 size;
1074
1075 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
1076 skb = alloc_skb(size, GFP_KERNEL);
1077 if (!skb)
1078 return NULL;
1079
1080 skb_reserve(skb, chip->tx_pkt_desc_sz);
1081 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
1082 dpk_hdr->dpk_ch = dpk_info->dpk_ch;
1083 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
1084 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
1085 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
1086 memcpy(dpk_hdr->coef, dpk_info->coef, 160);
1087
1088 return skb;
1089 }
1090
rtw_lps_pg_info_get(struct ieee80211_hw * hw)1091 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
1092 {
1093 struct rtw_dev *rtwdev = hw->priv;
1094 const struct rtw_chip_info *chip = rtwdev->chip;
1095 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
1096 struct rtw_lps_pg_info_hdr *pg_info_hdr;
1097 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1098 struct sk_buff *skb;
1099 u32 size;
1100
1101 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
1102 skb = alloc_skb(size, GFP_KERNEL);
1103 if (!skb)
1104 return NULL;
1105
1106 skb_reserve(skb, chip->tx_pkt_desc_sz);
1107 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
1108 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
1109 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
1110 pg_info_hdr->sec_cam_count =
1111 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
1112 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
1113
1114 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
1115 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
1116
1117 return skb;
1118 }
1119
rtw_get_rsvd_page_skb(struct ieee80211_hw * hw,struct rtw_rsvd_page * rsvd_pkt)1120 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
1121 struct rtw_rsvd_page *rsvd_pkt)
1122 {
1123 struct ieee80211_vif *vif;
1124 struct rtw_vif *rtwvif;
1125 struct sk_buff *skb_new;
1126 struct cfg80211_ssid *ssid;
1127 u16 tim_offset = 0;
1128
1129 if (rsvd_pkt->type == RSVD_DUMMY) {
1130 skb_new = alloc_skb(1, GFP_KERNEL);
1131 if (!skb_new)
1132 return NULL;
1133
1134 skb_put(skb_new, 1);
1135 return skb_new;
1136 }
1137
1138 rtwvif = rsvd_pkt->rtwvif;
1139 if (!rtwvif)
1140 return NULL;
1141
1142 vif = rtwvif_to_vif(rtwvif);
1143
1144 switch (rsvd_pkt->type) {
1145 case RSVD_BEACON:
1146 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);
1147 rsvd_pkt->tim_offset = tim_offset;
1148 break;
1149 case RSVD_PS_POLL:
1150 skb_new = ieee80211_pspoll_get(hw, vif);
1151 break;
1152 case RSVD_PROBE_RESP:
1153 skb_new = ieee80211_proberesp_get(hw, vif);
1154 break;
1155 case RSVD_NULL:
1156 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);
1157 break;
1158 case RSVD_QOS_NULL:
1159 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);
1160 break;
1161 case RSVD_LPS_PG_DPK:
1162 skb_new = rtw_lps_pg_dpk_get(hw);
1163 break;
1164 case RSVD_LPS_PG_INFO:
1165 skb_new = rtw_lps_pg_info_get(hw);
1166 break;
1167 case RSVD_PROBE_REQ:
1168 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
1169 if (ssid)
1170 skb_new = ieee80211_probereq_get(hw, vif->addr,
1171 ssid->ssid,
1172 ssid->ssid_len, 0);
1173 else
1174 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
1175 if (skb_new)
1176 rsvd_pkt->probe_req_size = (u16)skb_new->len;
1177 break;
1178 case RSVD_NLO_INFO:
1179 skb_new = rtw_nlo_info_get(hw);
1180 break;
1181 case RSVD_CH_INFO:
1182 skb_new = rtw_cs_channel_info_get(hw);
1183 break;
1184 default:
1185 return NULL;
1186 }
1187
1188 if (!skb_new)
1189 return NULL;
1190
1191 return skb_new;
1192 }
1193
rtw_fill_rsvd_page_desc(struct rtw_dev * rtwdev,struct sk_buff * skb,enum rtw_rsvd_packet_type type)1194 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
1195 enum rtw_rsvd_packet_type type)
1196 {
1197 struct rtw_tx_pkt_info pkt_info = {0};
1198 const struct rtw_chip_info *chip = rtwdev->chip;
1199 u8 *pkt_desc;
1200
1201 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);
1202 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
1203 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
1204 rtw_tx_fill_tx_desc(&pkt_info, skb);
1205 }
1206
rtw_len_to_page(unsigned int len,u8 page_size)1207 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)
1208 {
1209 return DIV_ROUND_UP(len, page_size);
1210 }
1211
rtw_rsvd_page_list_to_buf(struct rtw_dev * rtwdev,u8 page_size,u8 page_margin,u32 page,u8 * buf,struct rtw_rsvd_page * rsvd_pkt)1212 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,
1213 u8 page_margin, u32 page, u8 *buf,
1214 struct rtw_rsvd_page *rsvd_pkt)
1215 {
1216 struct sk_buff *skb = rsvd_pkt->skb;
1217
1218 if (page >= 1)
1219 memcpy(buf + page_margin + page_size * (page - 1),
1220 skb->data, skb->len);
1221 else
1222 memcpy(buf, skb->data, skb->len);
1223 }
1224
rtw_alloc_rsvd_page(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type,bool txdesc)1225 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
1226 enum rtw_rsvd_packet_type type,
1227 bool txdesc)
1228 {
1229 struct rtw_rsvd_page *rsvd_pkt = NULL;
1230
1231 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
1232
1233 if (!rsvd_pkt)
1234 return NULL;
1235
1236 INIT_LIST_HEAD(&rsvd_pkt->vif_list);
1237 INIT_LIST_HEAD(&rsvd_pkt->build_list);
1238 rsvd_pkt->type = type;
1239 rsvd_pkt->add_txdesc = txdesc;
1240
1241 return rsvd_pkt;
1242 }
1243
rtw_insert_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_rsvd_page * rsvd_pkt)1244 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
1245 struct rtw_vif *rtwvif,
1246 struct rtw_rsvd_page *rsvd_pkt)
1247 {
1248 lockdep_assert_held(&rtwdev->mutex);
1249
1250 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
1251 }
1252
rtw_add_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,enum rtw_rsvd_packet_type type,bool txdesc)1253 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
1254 struct rtw_vif *rtwvif,
1255 enum rtw_rsvd_packet_type type,
1256 bool txdesc)
1257 {
1258 struct rtw_rsvd_page *rsvd_pkt;
1259
1260 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
1261 if (!rsvd_pkt) {
1262 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
1263 return;
1264 }
1265
1266 rsvd_pkt->rtwvif = rtwvif;
1267 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1268 }
1269
rtw_add_rsvd_page_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct cfg80211_ssid * ssid)1270 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
1271 struct rtw_vif *rtwvif,
1272 struct cfg80211_ssid *ssid)
1273 {
1274 struct rtw_rsvd_page *rsvd_pkt;
1275
1276 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
1277 if (!rsvd_pkt) {
1278 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
1279 return;
1280 }
1281
1282 rsvd_pkt->rtwvif = rtwvif;
1283 rsvd_pkt->ssid = ssid;
1284 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1285 }
1286
rtw_remove_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1287 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
1288 struct rtw_vif *rtwvif)
1289 {
1290 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1291
1292 lockdep_assert_held(&rtwdev->mutex);
1293
1294 /* remove all of the rsvd pages for vif */
1295 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
1296 vif_list) {
1297 list_del(&rsvd_pkt->vif_list);
1298 if (!list_empty(&rsvd_pkt->build_list))
1299 list_del(&rsvd_pkt->build_list);
1300 kfree(rsvd_pkt);
1301 }
1302 }
1303
rtw_add_rsvd_page_bcn(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1304 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
1305 struct rtw_vif *rtwvif)
1306 {
1307 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1308
1309 if (vif->type != NL80211_IFTYPE_AP &&
1310 vif->type != NL80211_IFTYPE_ADHOC &&
1311 vif->type != NL80211_IFTYPE_MESH_POINT) {
1312 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
1313 vif->type);
1314 return;
1315 }
1316
1317 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
1318 }
1319
rtw_add_rsvd_page_pno(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1320 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
1321 struct rtw_vif *rtwvif)
1322 {
1323 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1324 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1325 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
1326 struct cfg80211_ssid *ssid;
1327 int i;
1328
1329 if (vif->type != NL80211_IFTYPE_STATION) {
1330 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
1331 vif->type);
1332 return;
1333 }
1334
1335 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
1336 ssid = &rtw_pno_req->match_sets[i].ssid;
1337 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
1338 }
1339
1340 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
1341 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
1342 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
1343 }
1344
rtw_add_rsvd_page_sta(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1345 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
1346 struct rtw_vif *rtwvif)
1347 {
1348 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1349
1350 if (vif->type != NL80211_IFTYPE_STATION) {
1351 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
1352 vif->type);
1353 return;
1354 }
1355
1356 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
1357 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
1358 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
1359 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
1360 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
1361 }
1362
rtw_fw_write_data_rsvd_page(struct rtw_dev * rtwdev,u16 pg_addr,u8 * buf,u32 size)1363 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
1364 u8 *buf, u32 size)
1365 {
1366 u8 bckp[2];
1367 u8 val;
1368 u16 rsvd_pg_head;
1369 u32 bcn_valid_addr;
1370 u32 bcn_valid_mask;
1371 int ret;
1372
1373 lockdep_assert_held(&rtwdev->mutex);
1374
1375 if (!size)
1376 return -EINVAL;
1377
1378 if (rtw_chip_wcpu_11n(rtwdev)) {
1379 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
1380 } else {
1381 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
1382 pg_addr |= BIT_BCN_VALID_V1;
1383 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
1384 }
1385
1386 val = rtw_read8(rtwdev, REG_CR + 1);
1387 bckp[0] = val;
1388 val |= BIT_ENSWBCN >> 8;
1389 rtw_write8(rtwdev, REG_CR + 1, val);
1390
1391 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {
1392 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
1393 bckp[1] = val;
1394 val &= ~(BIT_EN_BCNQ_DL >> 16);
1395 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
1396 }
1397
1398 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
1399 if (ret) {
1400 rtw_err(rtwdev, "failed to write data to rsvd page\n");
1401 goto restore;
1402 }
1403
1404 if (rtw_chip_wcpu_11n(rtwdev)) {
1405 bcn_valid_addr = REG_DWBCN0_CTRL;
1406 bcn_valid_mask = BIT_BCN_VALID;
1407 } else {
1408 bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
1409 bcn_valid_mask = BIT_BCN_VALID_V1;
1410 }
1411
1412 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
1413 rtw_err(rtwdev, "error beacon valid\n");
1414 ret = -EBUSY;
1415 }
1416
1417 restore:
1418 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
1419 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
1420 rsvd_pg_head | BIT_BCN_VALID_V1);
1421 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
1422 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
1423 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
1424
1425 return ret;
1426 }
1427
rtw_download_drv_rsvd_page(struct rtw_dev * rtwdev,u8 * buf,u32 size)1428 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
1429 {
1430 u32 pg_size;
1431 u32 pg_num = 0;
1432 u16 pg_addr = 0;
1433
1434 pg_size = rtwdev->chip->page_size;
1435 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
1436 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
1437 return -ENOMEM;
1438
1439 pg_addr = rtwdev->fifo.rsvd_drv_addr;
1440
1441 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
1442 }
1443
__rtw_build_rsvd_page_reset(struct rtw_dev * rtwdev)1444 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
1445 {
1446 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1447
1448 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
1449 build_list) {
1450 list_del_init(&rsvd_pkt->build_list);
1451
1452 /* Don't free except for the dummy rsvd page,
1453 * others will be freed when removing vif
1454 */
1455 if (rsvd_pkt->type == RSVD_DUMMY)
1456 kfree(rsvd_pkt);
1457 }
1458 }
1459
rtw_build_rsvd_page_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1460 static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
1461 struct ieee80211_vif *vif)
1462 {
1463 struct rtw_dev *rtwdev = data;
1464 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
1465 struct rtw_rsvd_page *rsvd_pkt;
1466
1467 /* AP not yet started, don't gather its rsvd pages */
1468 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)
1469 return;
1470
1471 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
1472 if (rsvd_pkt->type == RSVD_BEACON)
1473 list_add(&rsvd_pkt->build_list,
1474 &rtwdev->rsvd_page_list);
1475 else
1476 list_add_tail(&rsvd_pkt->build_list,
1477 &rtwdev->rsvd_page_list);
1478 }
1479 }
1480
__rtw_build_rsvd_page_from_vifs(struct rtw_dev * rtwdev)1481 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
1482 {
1483 struct rtw_rsvd_page *rsvd_pkt;
1484
1485 __rtw_build_rsvd_page_reset(rtwdev);
1486
1487 /* gather rsvd page from vifs */
1488 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
1489
1490 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1491 struct rtw_rsvd_page, build_list);
1492 if (!rsvd_pkt) {
1493 WARN(1, "Should not have an empty reserved page\n");
1494 return -EINVAL;
1495 }
1496
1497 /* the first rsvd should be beacon, otherwise add a dummy one */
1498 if (rsvd_pkt->type != RSVD_BEACON) {
1499 struct rtw_rsvd_page *dummy_pkt;
1500
1501 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
1502 if (!dummy_pkt) {
1503 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
1504 return -ENOMEM;
1505 }
1506
1507 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
1508 }
1509
1510 return 0;
1511 }
1512
rtw_build_rsvd_page(struct rtw_dev * rtwdev,u32 * size)1513 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
1514 {
1515 struct ieee80211_hw *hw = rtwdev->hw;
1516 const struct rtw_chip_info *chip = rtwdev->chip;
1517 struct sk_buff *iter;
1518 struct rtw_rsvd_page *rsvd_pkt;
1519 u32 page = 0;
1520 u8 total_page = 0;
1521 u8 page_size, page_margin, tx_desc_sz;
1522 u8 *buf;
1523 int ret;
1524
1525 page_size = chip->page_size;
1526 tx_desc_sz = chip->tx_pkt_desc_sz;
1527 page_margin = page_size - tx_desc_sz;
1528
1529 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
1530 if (ret) {
1531 rtw_err(rtwdev,
1532 "failed to build rsvd page from vifs, ret %d\n", ret);
1533 return NULL;
1534 }
1535
1536 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1537 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1538 if (!iter) {
1539 rtw_err(rtwdev, "failed to build rsvd packet\n");
1540 goto release_skb;
1541 }
1542
1543 /* Fill the tx_desc for the rsvd pkt that requires one.
1544 * And iter->len will be added with size of tx_desc_sz.
1545 */
1546 if (rsvd_pkt->add_txdesc)
1547 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);
1548
1549 rsvd_pkt->skb = iter;
1550 rsvd_pkt->page = total_page;
1551
1552 /* Reserved page is downloaded via TX path, and TX path will
1553 * generate a tx_desc at the header to describe length of
1554 * the buffer. If we are not counting page numbers with the
1555 * size of tx_desc added at the first rsvd_pkt (usually a
1556 * beacon, firmware default refer to the first page as the
1557 * content of beacon), we could generate a buffer which size
1558 * is smaller than the actual size of the whole rsvd_page
1559 */
1560 if (total_page == 0) {
1561 if (rsvd_pkt->type != RSVD_BEACON &&
1562 rsvd_pkt->type != RSVD_DUMMY) {
1563 rtw_err(rtwdev, "first page should be a beacon\n");
1564 goto release_skb;
1565 }
1566 total_page += rtw_len_to_page(iter->len + tx_desc_sz,
1567 page_size);
1568 } else {
1569 total_page += rtw_len_to_page(iter->len, page_size);
1570 }
1571 }
1572
1573 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
1574 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
1575 goto release_skb;
1576 }
1577
1578 *size = (total_page - 1) * page_size + page_margin;
1579 buf = kzalloc(*size, GFP_KERNEL);
1580 if (!buf)
1581 goto release_skb;
1582
1583 /* Copy the content of each rsvd_pkt to the buf, and they should
1584 * be aligned to the pages.
1585 *
1586 * Note that the first rsvd_pkt is a beacon no matter what vif->type.
1587 * And that rsvd_pkt does not require tx_desc because when it goes
1588 * through TX path, the TX path will generate one for it.
1589 */
1590 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1591 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
1592 page, buf, rsvd_pkt);
1593 if (page == 0)
1594 page += rtw_len_to_page(rsvd_pkt->skb->len +
1595 tx_desc_sz, page_size);
1596 else
1597 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
1598
1599 kfree_skb(rsvd_pkt->skb);
1600 rsvd_pkt->skb = NULL;
1601 }
1602
1603 return buf;
1604
1605 release_skb:
1606 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1607 kfree_skb(rsvd_pkt->skb);
1608 rsvd_pkt->skb = NULL;
1609 }
1610
1611 return NULL;
1612 }
1613
rtw_download_beacon(struct rtw_dev * rtwdev)1614 static int rtw_download_beacon(struct rtw_dev *rtwdev)
1615 {
1616 struct ieee80211_hw *hw = rtwdev->hw;
1617 struct rtw_rsvd_page *rsvd_pkt;
1618 struct sk_buff *skb;
1619 int ret = 0;
1620
1621 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1622 struct rtw_rsvd_page, build_list);
1623 if (!rsvd_pkt) {
1624 rtw_err(rtwdev, "failed to get rsvd page from build list\n");
1625 return -ENOENT;
1626 }
1627
1628 if (rsvd_pkt->type != RSVD_BEACON &&
1629 rsvd_pkt->type != RSVD_DUMMY) {
1630 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
1631 rsvd_pkt->type);
1632 return -EINVAL;
1633 }
1634
1635 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1636 if (!skb) {
1637 rtw_err(rtwdev, "failed to get beacon skb\n");
1638 return -ENOMEM;
1639 }
1640
1641 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
1642 if (ret)
1643 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1644
1645 dev_kfree_skb(skb);
1646
1647 return ret;
1648 }
1649
rtw_fw_download_rsvd_page(struct rtw_dev * rtwdev)1650 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
1651 {
1652 u8 *buf;
1653 u32 size;
1654 int ret;
1655
1656 buf = rtw_build_rsvd_page(rtwdev, &size);
1657 if (!buf) {
1658 rtw_err(rtwdev, "failed to build rsvd page pkt\n");
1659 return -ENOMEM;
1660 }
1661
1662 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
1663 if (ret) {
1664 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1665 goto free;
1666 }
1667
1668 /* The last thing is to download the *ONLY* beacon again, because
1669 * the previous tx_desc is to describe the total rsvd page. Download
1670 * the beacon again to replace the TX desc header, and we will get
1671 * a correct tx_desc for the beacon in the rsvd page.
1672 */
1673 ret = rtw_download_beacon(rtwdev);
1674 if (ret) {
1675 rtw_err(rtwdev, "failed to download beacon\n");
1676 goto free;
1677 }
1678
1679 free:
1680 kfree(buf);
1681
1682 return ret;
1683 }
1684
rtw_fw_update_beacon_work(struct work_struct * work)1685 void rtw_fw_update_beacon_work(struct work_struct *work)
1686 {
1687 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
1688 update_beacon_work);
1689
1690 mutex_lock(&rtwdev->mutex);
1691 rtw_fw_download_rsvd_page(rtwdev);
1692 rtw_send_rsvd_page_h2c(rtwdev);
1693 mutex_unlock(&rtwdev->mutex);
1694 }
1695
rtw_fw_read_fifo_page(struct rtw_dev * rtwdev,u32 offset,u32 size,u32 * buf,u32 residue,u16 start_pg)1696 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,
1697 u32 *buf, u32 residue, u16 start_pg)
1698 {
1699 u32 i;
1700 u16 idx = 0;
1701 u16 ctl;
1702
1703 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
1704 /* disable rx clock gate */
1705 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);
1706
1707 do {
1708 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
1709
1710 for (i = FIFO_DUMP_ADDR + residue;
1711 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
1712 buf[idx++] = rtw_read32(rtwdev, i);
1713 size -= 4;
1714 if (size == 0)
1715 goto out;
1716 }
1717
1718 residue = 0;
1719 start_pg++;
1720 } while (size);
1721
1722 out:
1723 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
1724 /* restore rx clock gate */
1725 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);
1726 }
1727
rtw_fw_read_fifo(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 offset,u32 size,u32 * buf)1728 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,
1729 u32 offset, u32 size, u32 *buf)
1730 {
1731 const struct rtw_chip_info *chip = rtwdev->chip;
1732 u32 start_pg, residue;
1733
1734 if (sel >= RTW_FW_FIFO_MAX) {
1735 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");
1736 return;
1737 }
1738 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)
1739 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;
1740 residue = offset & (FIFO_PAGE_SIZE - 1);
1741 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];
1742
1743 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);
1744 }
1745
rtw_fw_dump_check_size(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 start_addr,u32 size)1746 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
1747 enum rtw_fw_fifo_sel sel,
1748 u32 start_addr, u32 size)
1749 {
1750 switch (sel) {
1751 case RTW_FW_FIFO_SEL_TX:
1752 case RTW_FW_FIFO_SEL_RX:
1753 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])
1754 return false;
1755 fallthrough;
1756 default:
1757 return true;
1758 }
1759 }
1760
rtw_fw_dump_fifo(struct rtw_dev * rtwdev,u8 fifo_sel,u32 addr,u32 size,u32 * buffer)1761 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
1762 u32 *buffer)
1763 {
1764 if (!rtwdev->chip->fw_fifo_addr[0]) {
1765 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
1766 return -ENOTSUPP;
1767 }
1768
1769 if (size == 0 || !buffer)
1770 return -EINVAL;
1771
1772 if (size & 0x3) {
1773 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");
1774 return -EINVAL;
1775 }
1776
1777 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {
1778 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");
1779 return -EINVAL;
1780 }
1781
1782 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);
1783
1784 return 0;
1785 }
1786
__rtw_fw_update_pkt(struct rtw_dev * rtwdev,u8 pkt_id,u16 size,u8 location)1787 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
1788 u8 location)
1789 {
1790 const struct rtw_chip_info *chip = rtwdev->chip;
1791 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1792 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
1793
1794 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
1795
1796 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1797 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
1798 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
1799
1800 /* include txdesc size */
1801 size += chip->tx_pkt_desc_sz;
1802 UPDATE_PKT_SET_SIZE(h2c_pkt, size);
1803
1804 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1805 }
1806
rtw_fw_update_pkt_probe_req(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1807 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
1808 struct cfg80211_ssid *ssid)
1809 {
1810 u8 loc;
1811 u16 size;
1812
1813 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1814 if (!loc) {
1815 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
1816 return;
1817 }
1818
1819 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
1820 if (!size) {
1821 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
1822 return;
1823 }
1824
1825 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
1826 }
1827
rtw_fw_channel_switch(struct rtw_dev * rtwdev,bool enable)1828 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
1829 {
1830 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
1831 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1832 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
1833 u8 loc_ch_info;
1834 const struct rtw_ch_switch_option cs_option = {
1835 .dest_ch_en = 1,
1836 .dest_ch = 1,
1837 .periodic_option = 2,
1838 .normal_period = 5,
1839 .normal_period_sel = 0,
1840 .normal_cycle = 10,
1841 .slow_period = 1,
1842 .slow_period_sel = 1,
1843 };
1844
1845 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
1846 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1847
1848 CH_SWITCH_SET_START(h2c_pkt, enable);
1849 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
1850 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
1851 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
1852 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
1853 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
1854 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
1855 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
1856 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
1857
1858 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
1859 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
1860
1861 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
1862 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
1863
1864 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1865 }
1866
rtw_fw_adaptivity(struct rtw_dev * rtwdev)1867 void rtw_fw_adaptivity(struct rtw_dev *rtwdev)
1868 {
1869 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
1870 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1871
1872 if (!rtw_edcca_enabled) {
1873 dm_info->edcca_mode = RTW_EDCCA_NORMAL;
1874 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
1875 "EDCCA disabled by debugfs\n");
1876 }
1877
1878 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);
1879 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);
1880 SET_ADAPTIVITY_OPTION(h2c_pkt, 1);
1881 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);
1882 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);
1883 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);
1884
1885 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1886 }
1887
rtw_fw_scan_notify(struct rtw_dev * rtwdev,bool start)1888 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)
1889 {
1890 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1891
1892 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);
1893 SET_SCAN_START(h2c_pkt, start);
1894
1895 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1896 }
1897
rtw_append_probe_req_ie(struct rtw_dev * rtwdev,struct sk_buff * skb,struct sk_buff_head * list,u8 * bands,struct rtw_vif * rtwvif)1898 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,
1899 struct sk_buff_head *list, u8 *bands,
1900 struct rtw_vif *rtwvif)
1901 {
1902 const struct rtw_chip_info *chip = rtwdev->chip;
1903 struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
1904 struct sk_buff *new;
1905 u8 idx;
1906
1907 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {
1908 if (!(BIT(idx) & chip->band))
1909 continue;
1910 new = skb_copy(skb, GFP_KERNEL);
1911 if (!new)
1912 return -ENOMEM;
1913 skb_put_data(new, ies->ies[idx], ies->len[idx]);
1914 skb_put_data(new, ies->common_ies, ies->common_ie_len);
1915 skb_queue_tail(list, new);
1916 (*bands)++;
1917 }
1918
1919 return 0;
1920 }
1921
_rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,u8 num_probes,struct sk_buff_head * probe_req_list)1922 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,
1923 struct sk_buff_head *probe_req_list)
1924 {
1925 const struct rtw_chip_info *chip = rtwdev->chip;
1926 struct sk_buff *skb, *tmp;
1927 u8 page_offset = 1, *buf, page_size = chip->page_size;
1928 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;
1929 u16 buf_offset = page_size * page_offset;
1930 u8 tx_desc_sz = chip->tx_pkt_desc_sz;
1931 u8 page_cnt, pages;
1932 unsigned int pkt_len;
1933 int ret;
1934
1935 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))
1936 page_cnt = RTW_OLD_PROBE_PG_CNT;
1937 else
1938 page_cnt = RTW_PROBE_PG_CNT;
1939
1940 pages = page_offset + num_probes * page_cnt;
1941
1942 buf = kzalloc(page_size * pages, GFP_KERNEL);
1943 if (!buf)
1944 return -ENOMEM;
1945
1946 buf_offset -= tx_desc_sz;
1947 skb_queue_walk_safe(probe_req_list, skb, tmp) {
1948 skb_unlink(skb, probe_req_list);
1949 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);
1950 if (skb->len > page_size * page_cnt) {
1951 ret = -EINVAL;
1952 goto out;
1953 }
1954
1955 memcpy(buf + buf_offset, skb->data, skb->len);
1956 pkt_len = skb->len - tx_desc_sz;
1957 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;
1958 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);
1959
1960 buf_offset += page_cnt * page_size;
1961 page_offset += page_cnt;
1962 kfree_skb(skb);
1963 }
1964
1965 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);
1966 if (ret) {
1967 rtw_err(rtwdev, "Download probe request to firmware failed\n");
1968 goto out;
1969 }
1970
1971 rtwdev->scan_info.probe_pg_size = page_offset;
1972 out:
1973 kfree(buf);
1974 skb_queue_walk_safe(probe_req_list, skb, tmp)
1975 kfree_skb(skb);
1976
1977 return ret;
1978 }
1979
rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1980 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,
1981 struct rtw_vif *rtwvif)
1982 {
1983 struct cfg80211_scan_request *req = rtwvif->scan_req;
1984 struct sk_buff_head list;
1985 struct sk_buff *skb, *tmp;
1986 u8 num = req->n_ssids, i, bands = 0;
1987 int ret;
1988
1989 skb_queue_head_init(&list);
1990 for (i = 0; i < num; i++) {
1991 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,
1992 req->ssids[i].ssid,
1993 req->ssids[i].ssid_len,
1994 req->ie_len);
1995 if (!skb) {
1996 ret = -ENOMEM;
1997 goto out;
1998 }
1999 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,
2000 rtwvif);
2001 if (ret)
2002 goto out;
2003
2004 kfree_skb(skb);
2005 }
2006
2007 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);
2008
2009 out:
2010 skb_queue_walk_safe(&list, skb, tmp)
2011 kfree_skb(skb);
2012
2013 return ret;
2014 }
2015
rtw_add_chan_info(struct rtw_dev * rtwdev,struct rtw_chan_info * info,struct rtw_chan_list * list,u8 * buf)2016 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,
2017 struct rtw_chan_list *list, u8 *buf)
2018 {
2019 u8 *chan = &buf[list->size];
2020 u8 info_size = RTW_CH_INFO_SIZE;
2021
2022 if (list->size > list->buf_size)
2023 return -ENOMEM;
2024
2025 CH_INFO_SET_CH(chan, info->channel);
2026 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);
2027 CH_INFO_SET_BW(chan, info->bw);
2028 CH_INFO_SET_TIMEOUT(chan, info->timeout);
2029 CH_INFO_SET_ACTION_ID(chan, info->action_id);
2030 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);
2031 if (info->extra_info) {
2032 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);
2033 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);
2034 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -
2035 RTW_EX_CH_INFO_HDR_SIZE);
2036 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);
2037 info_size += RTW_EX_CH_INFO_SIZE;
2038 }
2039 list->size += info_size;
2040 list->ch_num++;
2041
2042 return 0;
2043 }
2044
rtw_add_chan_list(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list,u8 * buf)2045 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2046 struct rtw_chan_list *list, u8 *buf)
2047 {
2048 struct cfg80211_scan_request *req = rtwvif->scan_req;
2049 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2050 struct ieee80211_channel *channel;
2051 int i, ret = 0;
2052
2053 for (i = 0; i < req->n_channels; i++) {
2054 struct rtw_chan_info ch_info = {0};
2055
2056 channel = req->channels[i];
2057 ch_info.channel = channel->hw_value;
2058 ch_info.bw = RTW_SCAN_WIDTH;
2059 ch_info.pri_ch_idx = RTW_PRI_CH_IDX;
2060 ch_info.timeout = req->duration_mandatory ?
2061 req->duration : RTW_CHANNEL_TIME;
2062
2063 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {
2064 ch_info.action_id = RTW_CHANNEL_RADAR;
2065 ch_info.extra_info = 1;
2066 /* Overwrite duration for passive scans if necessary */
2067 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?
2068 ch_info.timeout : RTW_PASS_CHAN_TIME;
2069 } else {
2070 ch_info.action_id = RTW_CHANNEL_ACTIVE;
2071 }
2072
2073 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);
2074 if (ret)
2075 return ret;
2076 }
2077
2078 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {
2079 rtw_err(rtwdev, "List exceeds rsvd page total size\n");
2080 return -EINVAL;
2081 }
2082
2083 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;
2084 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);
2085 if (ret)
2086 rtw_err(rtwdev, "Download channel list failed\n");
2087
2088 return ret;
2089 }
2090
rtw_fw_set_scan_offload(struct rtw_dev * rtwdev,struct rtw_ch_switch_option * opt,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2091 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,
2092 struct rtw_ch_switch_option *opt,
2093 struct rtw_vif *rtwvif,
2094 struct rtw_chan_list *list)
2095 {
2096 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2097 struct cfg80211_scan_request *req = rtwvif->scan_req;
2098 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2099 /* reserve one dummy page at the beginning for tx descriptor */
2100 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;
2101 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;
2102 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
2103
2104 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);
2105 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);
2106
2107 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);
2108 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);
2109 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);
2110 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);
2111 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);
2112 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);
2113 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);
2114 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);
2115 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);
2116 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);
2117 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);
2118 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?
2119 req->duration : RTW_CHANNEL_TIME);
2120 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);
2121 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);
2122 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);
2123
2124 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
2125 }
2126
rtw_hw_scan_start(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_scan_request * scan_req)2127 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2128 struct ieee80211_scan_request *scan_req)
2129 {
2130 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
2131 struct cfg80211_scan_request *req = &scan_req->req;
2132 u8 mac_addr[ETH_ALEN];
2133
2134 rtwdev->scan_info.scanning_vif = vif;
2135 rtwvif->scan_ies = &scan_req->ies;
2136 rtwvif->scan_req = req;
2137
2138 ieee80211_stop_queues(rtwdev->hw);
2139 rtw_leave_lps_deep(rtwdev);
2140 rtw_hci_flush_all_queues(rtwdev, false);
2141 rtw_mac_flush_all_queues(rtwdev, false);
2142 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
2143 get_random_mask_addr(mac_addr, req->mac_addr,
2144 req->mac_addr_mask);
2145 else
2146 ether_addr_copy(mac_addr, vif->addr);
2147
2148 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);
2149
2150 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;
2151 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2152 }
2153
rtw_hw_scan_complete(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool aborted)2154 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2155 bool aborted)
2156 {
2157 struct cfg80211_scan_info info = {
2158 .aborted = aborted,
2159 };
2160 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2161 struct rtw_hal *hal = &rtwdev->hal;
2162 struct rtw_vif *rtwvif;
2163 u8 chan = scan_info->op_chan;
2164
2165 if (!vif)
2166 return;
2167
2168 rtwdev->hal.rcr |= BIT_CBSSID_BCN;
2169 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2170
2171 rtw_core_scan_complete(rtwdev, vif, true);
2172
2173 rtwvif = (struct rtw_vif *)vif->drv_priv;
2174 if (chan)
2175 rtw_store_op_chan(rtwdev, false);
2176 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
2177 ieee80211_wake_queues(rtwdev->hw);
2178 ieee80211_scan_completed(rtwdev->hw, &info);
2179
2180 rtwvif->scan_req = NULL;
2181 rtwvif->scan_ies = NULL;
2182 rtwdev->scan_info.scanning_vif = NULL;
2183 }
2184
rtw_hw_scan_prehandle(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2185 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2186 struct rtw_chan_list *list)
2187 {
2188 struct cfg80211_scan_request *req = rtwvif->scan_req;
2189 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);
2190 u8 *buf;
2191 int ret;
2192
2193 buf = kmalloc(size, GFP_KERNEL);
2194 if (!buf)
2195 return -ENOMEM;
2196
2197 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);
2198 if (ret) {
2199 rtw_err(rtwdev, "Update probe request failed\n");
2200 goto out;
2201 }
2202
2203 list->buf_size = size;
2204 list->size = 0;
2205 list->ch_num = 0;
2206 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);
2207 out:
2208 kfree(buf);
2209
2210 return ret;
2211 }
2212
rtw_hw_scan_offload(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool enable)2213 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2214 bool enable)
2215 {
2216 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
2217 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2218 struct rtw_ch_switch_option cs_option = {0};
2219 struct rtw_chan_list chan_list = {0};
2220 int ret = 0;
2221
2222 if (!rtwvif)
2223 return -EINVAL;
2224
2225 cs_option.switch_en = enable;
2226 cs_option.back_op_en = scan_info->op_chan != 0;
2227 if (enable) {
2228 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
2229 if (ret)
2230 goto out;
2231 }
2232 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);
2233 out:
2234 if (rtwdev->ap_active) {
2235 ret = rtw_download_beacon(rtwdev);
2236 if (ret)
2237 rtw_err(rtwdev, "HW scan download beacon failed\n");
2238 }
2239
2240 return ret;
2241 }
2242
rtw_hw_scan_abort(struct rtw_dev * rtwdev)2243 void rtw_hw_scan_abort(struct rtw_dev *rtwdev)
2244 {
2245 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2246
2247 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
2248 return;
2249
2250 rtw_hw_scan_offload(rtwdev, vif, false);
2251 rtw_hw_scan_complete(rtwdev, vif, true);
2252 }
2253
rtw_hw_scan_status_report(struct rtw_dev * rtwdev,struct sk_buff * skb)2254 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)
2255 {
2256 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2257 struct rtw_c2h_cmd *c2h;
2258 bool aborted;
2259 u8 rc;
2260
2261 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2262 return;
2263
2264 c2h = get_c2h_from_skb(skb);
2265 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);
2266 aborted = rc != RTW_SCAN_REPORT_SUCCESS;
2267 rtw_hw_scan_complete(rtwdev, vif, aborted);
2268
2269 if (aborted)
2270 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);
2271 }
2272
rtw_store_op_chan(struct rtw_dev * rtwdev,bool backup)2273 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)
2274 {
2275 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2276 struct rtw_hal *hal = &rtwdev->hal;
2277 u8 band;
2278
2279 if (backup) {
2280 scan_info->op_chan = hal->current_channel;
2281 scan_info->op_bw = hal->current_band_width;
2282 scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
2283 scan_info->op_pri_ch = hal->primary_channel;
2284 } else {
2285 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2286 rtw_update_channel(rtwdev, scan_info->op_chan,
2287 scan_info->op_pri_ch,
2288 band, scan_info->op_bw);
2289 }
2290 }
2291
rtw_clear_op_chan(struct rtw_dev * rtwdev)2292 void rtw_clear_op_chan(struct rtw_dev *rtwdev)
2293 {
2294 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2295
2296 scan_info->op_chan = 0;
2297 scan_info->op_bw = 0;
2298 scan_info->op_pri_ch_idx = 0;
2299 scan_info->op_pri_ch = 0;
2300 }
2301
rtw_is_op_chan(struct rtw_dev * rtwdev,u8 channel)2302 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
2303 {
2304 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2305
2306 return channel == scan_info->op_chan;
2307 }
2308
rtw_hw_scan_chan_switch(struct rtw_dev * rtwdev,struct sk_buff * skb)2309 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)
2310 {
2311 struct rtw_hal *hal = &rtwdev->hal;
2312 struct rtw_c2h_cmd *c2h;
2313 enum rtw_scan_notify_id id;
2314 u8 chan, band, status;
2315
2316 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2317 return;
2318
2319 c2h = get_c2h_from_skb(skb);
2320 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);
2321 id = GET_CHAN_SWITCH_ID(c2h->payload);
2322 status = GET_CHAN_SWITCH_STATUS(c2h->payload);
2323
2324 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {
2325 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2326 rtw_update_channel(rtwdev, chan, chan, band,
2327 RTW_CHANNEL_WIDTH_20);
2328 if (rtw_is_op_chan(rtwdev, chan)) {
2329 rtw_store_op_chan(rtwdev, false);
2330 ieee80211_wake_queues(rtwdev->hw);
2331 rtw_core_enable_beacon(rtwdev, true);
2332 }
2333 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {
2334 if (IS_CH_5G_BAND(chan)) {
2335 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
2336 } else if (IS_CH_2G_BAND(chan)) {
2337 u8 chan_type;
2338
2339 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2340 chan_type = COEX_SWITCH_TO_24G;
2341 else
2342 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;
2343 rtw_coex_switchband_notify(rtwdev, chan_type);
2344 }
2345 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next
2346 * channel that hardware will switch. We need to stop queue
2347 * if next channel is non-op channel.
2348 */
2349 if (!rtw_is_op_chan(rtwdev, chan) &&
2350 rtw_is_op_chan(rtwdev, hal->current_channel)) {
2351 rtw_core_enable_beacon(rtwdev, false);
2352 ieee80211_stop_queues(rtwdev->hw);
2353 }
2354 }
2355
2356 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,
2357 "Chan switch: %x, id: %x, status: %x\n", chan, id, status);
2358 }
2359