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