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