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