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
20 static const struct rtw_hw_reg_desc fw_h2c_regs[] = {
21 {REG_FWIMR, MASKDWORD, "FWIMR"},
22 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "FWIMR enable"},
23 {REG_FWISR, MASKDWORD, "FWISR"},
24 {REG_FWISR, BIT_FS_H2CCMD_INT, "FWISR enable"},
25 {REG_HMETFR, BIT_INT_BOX_ALL, "BoxBitMap"},
26 {REG_HMEBOX0, MASKDWORD, "MSG 0"},
27 {REG_HMEBOX0_EX, MASKDWORD, "MSG_EX 0"},
28 {REG_HMEBOX1, MASKDWORD, "MSG 1"},
29 {REG_HMEBOX1_EX, MASKDWORD, "MSG_EX 1"},
30 {REG_HMEBOX2, MASKDWORD, "MSG 2"},
31 {REG_HMEBOX2_EX, MASKDWORD, "MSG_EX 2"},
32 {REG_HMEBOX3, MASKDWORD, "MSG 3"},
33 {REG_HMEBOX3_EX, MASKDWORD, "MSG_EX 3"},
34 {REG_FT1IMR, MASKDWORD, "FT1IMR"},
35 {REG_FT1IMR, BIT_FS_H2C_CMD_OK_INT_EN, "FT1IMR enable"},
36 {REG_FT1ISR, MASKDWORD, "FT1ISR"},
37 {REG_FT1ISR, BIT_FS_H2C_CMD_OK_INT, "FT1ISR enable "},
38 };
39
40 static const struct rtw_hw_reg_desc fw_c2h_regs[] = {
41 {REG_FWIMR, MASKDWORD, "FWIMR"},
42 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "CPWM"},
43 {REG_FWIMR, BIT_FS_HRCV_INT_EN, "HRECV"},
44 {REG_FWISR, MASKDWORD, "FWISR"},
45 {REG_FWISR, BIT_FS_H2CCMD_INT, "CPWM"},
46 {REG_FWISR, BIT_FS_HRCV_INT, "HRECV"},
47 {REG_CPWM, MASKDWORD, "REG_CPWM"},
48 };
49
50 static const struct rtw_hw_reg_desc fw_core_regs[] = {
51 {REG_ARFR2_V1, MASKDWORD, "EPC"},
52 {REG_ARFRH2_V1, MASKDWORD, "BADADDR"},
53 {REG_ARFR3_V1, MASKDWORD, "CAUSE"},
54 {REG_ARFR3_V1, BIT_EXC_CODE, "ExcCode"},
55 {REG_ARFRH3_V1, MASKDWORD, "Status"},
56 {REG_ARFR4, MASKDWORD, "SP"},
57 {REG_ARFRH4, MASKDWORD, "RA"},
58 {REG_FW_DBG6, MASKDWORD, "DBG 6"},
59 {REG_FW_DBG7, MASKDWORD, "DBG 7"},
60 };
61
_rtw_fw_dump_dbg_info(struct rtw_dev * rtwdev,const struct rtw_hw_reg_desc regs[],u32 size)62 static void _rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev,
63 const struct rtw_hw_reg_desc regs[], u32 size)
64 {
65 const struct rtw_hw_reg_desc *reg;
66 u32 val;
67 int i;
68
69 for (i = 0; i < size; i++) {
70 reg = ®s[i];
71 val = rtw_read32_mask(rtwdev, reg->addr, reg->mask);
72
73 rtw_dbg(rtwdev, RTW_DBG_FW, "[%s]addr:0x%x mask:0x%x value:0x%x\n",
74 reg->desc, reg->addr, reg->mask, val);
75 }
76 }
77
rtw_fw_dump_dbg_info(struct rtw_dev * rtwdev)78 void rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev)
79 {
80 int i;
81
82 if (!rtw_dbg_is_enabled(rtwdev, RTW_DBG_FW))
83 return;
84
85 _rtw_fw_dump_dbg_info(rtwdev, fw_h2c_regs, ARRAY_SIZE(fw_h2c_regs));
86 _rtw_fw_dump_dbg_info(rtwdev, fw_c2h_regs, ARRAY_SIZE(fw_c2h_regs));
87 for (i = 0 ; i < RTW_DEBUG_DUMP_TIMES; i++) {
88 rtw_dbg(rtwdev, RTW_DBG_FW, "Firmware Coredump %dth\n", i + 1);
89 _rtw_fw_dump_dbg_info(rtwdev, fw_core_regs, ARRAY_SIZE(fw_core_regs));
90 }
91 }
92
rtw_fw_c2h_cmd_handle_ext(struct rtw_dev * rtwdev,struct sk_buff * skb)93 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
94 struct sk_buff *skb)
95 {
96 struct rtw_c2h_cmd *c2h;
97 u8 sub_cmd_id;
98
99 c2h = get_c2h_from_skb(skb);
100 sub_cmd_id = c2h->payload[0];
101
102 switch (sub_cmd_id) {
103 case C2H_CCX_RPT:
104 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT);
105 break;
106 case C2H_SCAN_STATUS_RPT:
107 rtw_hw_scan_status_report(rtwdev, skb);
108 break;
109 case C2H_CHAN_SWITCH:
110 rtw_hw_scan_chan_switch(rtwdev, skb);
111 break;
112 default:
113 break;
114 }
115 }
116
get_max_amsdu_len(u32 bit_rate)117 static u16 get_max_amsdu_len(u32 bit_rate)
118 {
119 /* lower than ofdm, do not aggregate */
120 if (bit_rate < 550)
121 return 1;
122
123 /* lower than 20M 2ss mcs8, make it small */
124 if (bit_rate < 1800)
125 return 1200;
126
127 /* lower than 40M 2ss mcs9, make it medium */
128 if (bit_rate < 4000)
129 return 2600;
130
131 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */
132 if (bit_rate < 7000)
133 return 3500;
134
135 /* unlimited */
136 return 0;
137 }
138
139 struct rtw_fw_iter_ra_data {
140 struct rtw_dev *rtwdev;
141 u8 *payload;
142 };
143
rtw_fw_ra_report_iter(void * data,struct ieee80211_sta * sta)144 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)
145 {
146 struct rtw_fw_iter_ra_data *ra_data = data;
147 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
148 u8 mac_id, rate, sgi, bw;
149 u8 mcs, nss;
150 u32 bit_rate;
151
152 mac_id = GET_RA_REPORT_MACID(ra_data->payload);
153 if (si->mac_id != mac_id)
154 return;
155
156 si->ra_report.txrate.flags = 0;
157
158 rate = GET_RA_REPORT_RATE(ra_data->payload);
159 sgi = GET_RA_REPORT_SGI(ra_data->payload);
160 bw = GET_RA_REPORT_BW(ra_data->payload);
161
162 if (rate < DESC_RATEMCS0) {
163 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);
164 goto legacy;
165 }
166
167 rtw_desc_to_mcsrate(rate, &mcs, &nss);
168 if (rate >= DESC_RATEVHT1SS_MCS0)
169 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
170 else if (rate >= DESC_RATEMCS0)
171 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;
172
173 if (rate >= DESC_RATEMCS0) {
174 si->ra_report.txrate.mcs = mcs;
175 si->ra_report.txrate.nss = nss;
176 }
177
178 if (sgi)
179 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
180
181 if (bw == RTW_CHANNEL_WIDTH_80)
182 si->ra_report.txrate.bw = RATE_INFO_BW_80;
183 else if (bw == RTW_CHANNEL_WIDTH_40)
184 si->ra_report.txrate.bw = RATE_INFO_BW_40;
185 else
186 si->ra_report.txrate.bw = RATE_INFO_BW_20;
187
188 legacy:
189 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);
190
191 si->ra_report.desc_rate = rate;
192 si->ra_report.bit_rate = bit_rate;
193
194 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate);
195 }
196
rtw_fw_ra_report_handle(struct rtw_dev * rtwdev,u8 * payload,u8 length)197 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,
198 u8 length)
199 {
200 struct rtw_fw_iter_ra_data ra_data;
201
202 if (WARN(length < 7, "invalid ra report c2h length\n"))
203 return;
204
205 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload);
206 ra_data.rtwdev = rtwdev;
207 ra_data.payload = payload;
208 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);
209 }
210
211 struct rtw_beacon_filter_iter_data {
212 struct rtw_dev *rtwdev;
213 u8 *payload;
214 };
215
rtw_fw_bcn_filter_notify_vif_iter(void * data,struct ieee80211_vif * vif)216 static void rtw_fw_bcn_filter_notify_vif_iter(void *data,
217 struct ieee80211_vif *vif)
218 {
219 struct rtw_beacon_filter_iter_data *iter_data = data;
220 struct rtw_dev *rtwdev = iter_data->rtwdev;
221 u8 *payload = iter_data->payload;
222 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload);
223 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload);
224 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload);
225
226 switch (type) {
227 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE:
228 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :
229 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
230 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL);
231 break;
232 case BCN_FILTER_CONNECTION_LOSS:
233 ieee80211_connection_loss(vif);
234 break;
235 case BCN_FILTER_CONNECTED:
236 rtwdev->beacon_loss = false;
237 break;
238 case BCN_FILTER_NOTIFY_BEACON_LOSS:
239 rtwdev->beacon_loss = true;
240 rtw_leave_lps(rtwdev);
241 break;
242 }
243 }
244
rtw_fw_bcn_filter_notify(struct rtw_dev * rtwdev,u8 * payload,u8 length)245 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload,
246 u8 length)
247 {
248 struct rtw_beacon_filter_iter_data dev_iter_data;
249
250 dev_iter_data.rtwdev = rtwdev;
251 dev_iter_data.payload = payload;
252 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter,
253 &dev_iter_data);
254 }
255
rtw_fw_scan_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)256 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload,
257 u8 length)
258 {
259 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
260
261 dm_info->scan_density = payload[0];
262
263 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n",
264 dm_info->scan_density);
265 }
266
rtw_fw_adaptivity_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)267 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload,
268 u8 length)
269 {
270 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
271 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload;
272
273 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
274 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n",
275 result->density, result->igi, result->l2h_th_init, result->l2h,
276 result->h2l, result->option);
277
278 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n",
279 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
280 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask),
281 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
282 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask));
283
284 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n",
285 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ?
286 "Set" : "Unset");
287 }
288
rtw_fw_c2h_cmd_handle(struct rtw_dev * rtwdev,struct sk_buff * skb)289 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
290 {
291 struct rtw_c2h_cmd *c2h;
292 u32 pkt_offset;
293 u8 len;
294
295 pkt_offset = *((u32 *)skb->cb);
296 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
297 len = skb->len - pkt_offset - 2;
298
299 mutex_lock(&rtwdev->mutex);
300
301 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
302 goto unlock;
303
304 switch (c2h->id) {
305 case C2H_CCX_TX_RPT:
306 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
307 break;
308 case C2H_BT_INFO:
309 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
310 break;
311 case C2H_BT_HID_INFO:
312 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len);
313 break;
314 case C2H_WLAN_INFO:
315 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
316 break;
317 case C2H_BCN_FILTER_NOTIFY:
318 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len);
319 break;
320 case C2H_HALMAC:
321 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
322 break;
323 case C2H_RA_RPT:
324 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
325 break;
326 default:
327 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
328 break;
329 }
330
331 unlock:
332 mutex_unlock(&rtwdev->mutex);
333 }
334
rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev * rtwdev,u32 pkt_offset,struct sk_buff * skb)335 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
336 struct sk_buff *skb)
337 {
338 struct rtw_c2h_cmd *c2h;
339 u8 len;
340
341 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
342 len = skb->len - pkt_offset - 2;
343 *((u32 *)skb->cb) = pkt_offset;
344
345 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
346 c2h->id, c2h->seq, len);
347
348 switch (c2h->id) {
349 case C2H_BT_MP_INFO:
350 rtw_coex_info_response(rtwdev, skb);
351 break;
352 case C2H_WLAN_RFON:
353 complete(&rtwdev->lps_leave_check);
354 dev_kfree_skb_any(skb);
355 break;
356 case C2H_SCAN_RESULT:
357 complete(&rtwdev->fw_scan_density);
358 rtw_fw_scan_result(rtwdev, c2h->payload, len);
359 dev_kfree_skb_any(skb);
360 break;
361 case C2H_ADAPTIVITY:
362 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);
363 dev_kfree_skb_any(skb);
364 break;
365 default:
366 /* pass offset for further operation */
367 *((u32 *)skb->cb) = pkt_offset;
368 skb_queue_tail(&rtwdev->c2h_queue, skb);
369 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
370 break;
371 }
372 }
373 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
374
rtw_fw_c2h_cmd_isr(struct rtw_dev * rtwdev)375 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
376 {
377 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)
378 rtw_fw_recovery(rtwdev);
379 else
380 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");
381 }
382 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
383
rtw_fw_send_h2c_command_register(struct rtw_dev * rtwdev,struct rtw_h2c_register * h2c)384 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,
385 struct rtw_h2c_register *h2c)
386 {
387 u32 box_reg, box_ex_reg;
388 u8 box_state, box;
389 int ret;
390
391 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,
392 h2c->w1);
393
394 lockdep_assert_held(&rtwdev->mutex);
395
396 box = rtwdev->h2c.last_box_num;
397 switch (box) {
398 case 0:
399 box_reg = REG_HMEBOX0;
400 box_ex_reg = REG_HMEBOX0_EX;
401 break;
402 case 1:
403 box_reg = REG_HMEBOX1;
404 box_ex_reg = REG_HMEBOX1_EX;
405 break;
406 case 2:
407 box_reg = REG_HMEBOX2;
408 box_ex_reg = REG_HMEBOX2_EX;
409 break;
410 case 3:
411 box_reg = REG_HMEBOX3;
412 box_ex_reg = REG_HMEBOX3_EX;
413 break;
414 default:
415 WARN(1, "invalid h2c mail box number\n");
416 return;
417 }
418
419 ret = read_poll_timeout_atomic(rtw_read8, box_state,
420 !((box_state >> box) & 0x1), 100, 3000,
421 false, rtwdev, REG_HMETFR);
422
423 if (ret) {
424 rtw_err(rtwdev, "failed to send h2c command\n");
425 rtw_fw_dump_dbg_info(rtwdev);
426 return;
427 }
428
429 rtw_write32(rtwdev, box_ex_reg, h2c->w1);
430 rtw_write32(rtwdev, box_reg, h2c->w0);
431
432 if (++rtwdev->h2c.last_box_num >= 4)
433 rtwdev->h2c.last_box_num = 0;
434 }
435
rtw_fw_send_h2c_command(struct rtw_dev * rtwdev,u8 * h2c)436 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
437 u8 *h2c)
438 {
439 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;
440 u8 box;
441 u8 box_state;
442 u32 box_reg, box_ex_reg;
443 int ret;
444
445 rtw_dbg(rtwdev, RTW_DBG_FW,
446 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
447 h2c[3], h2c[2], h2c[1], h2c[0],
448 h2c[7], h2c[6], h2c[5], h2c[4]);
449
450 lockdep_assert_held(&rtwdev->mutex);
451
452 box = rtwdev->h2c.last_box_num;
453 switch (box) {
454 case 0:
455 box_reg = REG_HMEBOX0;
456 box_ex_reg = REG_HMEBOX0_EX;
457 break;
458 case 1:
459 box_reg = REG_HMEBOX1;
460 box_ex_reg = REG_HMEBOX1_EX;
461 break;
462 case 2:
463 box_reg = REG_HMEBOX2;
464 box_ex_reg = REG_HMEBOX2_EX;
465 break;
466 case 3:
467 box_reg = REG_HMEBOX3;
468 box_ex_reg = REG_HMEBOX3_EX;
469 break;
470 default:
471 WARN(1, "invalid h2c mail box number\n");
472 return;
473 }
474
475 ret = read_poll_timeout_atomic(rtw_read8, box_state,
476 !((box_state >> box) & 0x1), 100, 3000,
477 false, rtwdev, REG_HMETFR);
478
479 if (ret) {
480 rtw_err(rtwdev, "failed to send h2c command\n");
481 return;
482 }
483
484 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));
485 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));
486
487 if (++rtwdev->h2c.last_box_num >= 4)
488 rtwdev->h2c.last_box_num = 0;
489 }
490
rtw_fw_h2c_cmd_dbg(struct rtw_dev * rtwdev,u8 * h2c)491 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
492 {
493 rtw_fw_send_h2c_command(rtwdev, h2c);
494 }
495
rtw_fw_send_h2c_packet(struct rtw_dev * rtwdev,u8 * h2c_pkt)496 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
497 {
498 int ret;
499
500 lockdep_assert_held(&rtwdev->mutex);
501
502 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
503 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
504 if (ret)
505 rtw_err(rtwdev, "failed to send h2c packet\n");
506 rtwdev->h2c.seq++;
507 }
508
509 void
rtw_fw_send_general_info(struct rtw_dev * rtwdev)510 rtw_fw_send_general_info(struct rtw_dev *rtwdev)
511 {
512 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
513 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
514 u16 total_size = H2C_PKT_HDR_SIZE + 4;
515
516 if (rtw_chip_wcpu_11n(rtwdev))
517 return;
518
519 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
520
521 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
522
523 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
524 fifo->rsvd_fw_txbuf_addr -
525 fifo->rsvd_boundary);
526
527 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
528 }
529
530 void
rtw_fw_send_phydm_info(struct rtw_dev * rtwdev)531 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
532 {
533 struct rtw_hal *hal = &rtwdev->hal;
534 struct rtw_efuse *efuse = &rtwdev->efuse;
535 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
536 u16 total_size = H2C_PKT_HDR_SIZE + 8;
537 u8 fw_rf_type = 0;
538
539 if (rtw_chip_wcpu_11n(rtwdev))
540 return;
541
542 if (hal->rf_type == RF_1T1R)
543 fw_rf_type = FW_RF_1T1R;
544 else if (hal->rf_type == RF_2T2R)
545 fw_rf_type = FW_RF_2T2R;
546
547 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
548
549 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
550 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
551 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
552 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
553 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
554 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
555
556 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
557 }
558
rtw_fw_do_iqk(struct rtw_dev * rtwdev,struct rtw_iqk_para * para)559 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
560 {
561 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
562 u16 total_size = H2C_PKT_HDR_SIZE + 1;
563
564 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
565 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
566 IQK_SET_CLEAR(h2c_pkt, para->clear);
567 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
568
569 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
570 }
571 EXPORT_SYMBOL(rtw_fw_do_iqk);
572
rtw_fw_inform_rfk_status(struct rtw_dev * rtwdev,bool start)573 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)
574 {
575 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
576
577 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);
578
579 RFK_SET_INFORM_START(h2c_pkt, start);
580
581 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
582 }
583 EXPORT_SYMBOL(rtw_fw_inform_rfk_status);
584
rtw_fw_query_bt_info(struct rtw_dev * rtwdev)585 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
586 {
587 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
588
589 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
590
591 SET_QUERY_BT_INFO(h2c_pkt, true);
592
593 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
594 }
595
rtw_fw_default_port(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)596 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
597 {
598 struct rtw_h2c_register h2c = {};
599
600 if (rtwvif->net_type != RTW_NET_MGD_LINKED)
601 return;
602
603 /* Leave LPS before default port H2C so FW timer is correct */
604 rtw_leave_lps(rtwdev);
605
606 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) |
607 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) |
608 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID);
609
610 rtw_fw_send_h2c_command_register(rtwdev, &h2c);
611 }
612
rtw_fw_wl_ch_info(struct rtw_dev * rtwdev,u8 link,u8 ch,u8 bw)613 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
614 {
615 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
616
617 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
618
619 SET_WL_CH_INFO_LINK(h2c_pkt, link);
620 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
621 SET_WL_CH_INFO_BW(h2c_pkt, bw);
622
623 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
624 }
625
rtw_fw_query_bt_mp_info(struct rtw_dev * rtwdev,struct rtw_coex_info_req * req)626 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
627 struct rtw_coex_info_req *req)
628 {
629 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
630
631 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
632
633 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
634 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
635 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
636 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
637 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
638
639 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
640 }
641
rtw_fw_force_bt_tx_power(struct rtw_dev * rtwdev,u8 bt_pwr_dec_lvl)642 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
643 {
644 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
645 u8 index = 0 - bt_pwr_dec_lvl;
646
647 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
648
649 SET_BT_TX_POWER_INDEX(h2c_pkt, index);
650
651 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
652 }
653
rtw_fw_bt_ignore_wlan_action(struct rtw_dev * rtwdev,bool enable)654 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
655 {
656 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
657
658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
659
660 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
661
662 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
663 }
664
rtw_fw_coex_tdma_type(struct rtw_dev * rtwdev,u8 para1,u8 para2,u8 para3,u8 para4,u8 para5)665 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
666 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
667 {
668 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
669
670 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
671
672 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
673 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
674 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
675 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
676 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
677
678 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
679 }
680
rtw_fw_coex_query_hid_info(struct rtw_dev * rtwdev,u8 sub_id,u8 data)681 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)
682 {
683 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
684
685 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);
686
687 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);
688 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);
689
690 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
691 }
692
rtw_fw_bt_wifi_control(struct rtw_dev * rtwdev,u8 op_code,u8 * data)693 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
694 {
695 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
696
697 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
698
699 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
700
701 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
702 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
703 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
704 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
705 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
706
707 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
708 }
709
rtw_fw_send_rssi_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si)710 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
711 {
712 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
713 u8 rssi = ewma_rssi_read(&si->avg_rssi);
714 bool stbc_en = si->stbc_en ? true : false;
715
716 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
717
718 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
719 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
720 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
721
722 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
723 }
724
rtw_fw_send_ra_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si,bool reset_ra_mask)725 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,
726 bool reset_ra_mask)
727 {
728 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
729 bool disable_pt = true;
730
731 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
732
733 SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
734 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
735 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
736 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
737 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
738 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en);
739 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask);
740 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
741 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
742 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
743 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
744 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
745 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
746
747 si->init_ra_lv = 0;
748
749 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
750 }
751
rtw_fw_media_status_report(struct rtw_dev * rtwdev,u8 mac_id,bool connect)752 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
753 {
754 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
755
756 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
757 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
758 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
759
760 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
761 }
762
rtw_fw_update_wl_phy_info(struct rtw_dev * rtwdev)763 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)
764 {
765 struct rtw_traffic_stats *stats = &rtwdev->stats;
766 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
767 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
768
769 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);
770 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);
771 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);
772 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);
773 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);
774 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);
775 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
776 }
777
rtw_fw_beacon_filter_config(struct rtw_dev * rtwdev,bool connect,struct ieee80211_vif * vif)778 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,
779 struct ieee80211_vif *vif)
780 {
781 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
782 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
783 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;
784 struct rtw_sta_info *si =
785 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;
786 s32 thold = RTW_DEFAULT_CQM_THOLD;
787 u32 hyst = RTW_DEFAULT_CQM_HYST;
788 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
789
790 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
791 return;
792
793 if (bss_conf->cqm_rssi_thold)
794 thold = bss_conf->cqm_rssi_thold;
795 if (bss_conf->cqm_rssi_hyst)
796 hyst = bss_conf->cqm_rssi_hyst;
797
798 if (!connect) {
799 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
800 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
801 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
802
803 return;
804 }
805
806 if (!si)
807 return;
808
809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);
810 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);
811 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
812
813 memset(h2c_pkt, 0, sizeof(h2c_pkt));
814 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max);
815 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
816 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
817 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,
818 BCN_FILTER_OFFLOAD_MODE_DEFAULT);
819 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold);
820 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);
821 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);
822 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst);
823 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);
824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
825 }
826
rtw_fw_set_pwr_mode(struct rtw_dev * rtwdev)827 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
828 {
829 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
830 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
831
832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
833
834 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
835 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
836 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
837 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
838 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
839 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
840
841 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
842 }
843
rtw_fw_set_keep_alive_cmd(struct rtw_dev * rtwdev,bool enable)844 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
845 {
846 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
847 struct rtw_fw_wow_keep_alive_para mode = {
848 .adopt = true,
849 .pkt_type = KEEP_ALIVE_NULL_PKT,
850 .period = 5,
851 };
852
853 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
854 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
855 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
856 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
857 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
858
859 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
860 }
861
rtw_fw_set_disconnect_decision_cmd(struct rtw_dev * rtwdev,bool enable)862 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
863 {
864 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
865 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
866 struct rtw_fw_wow_disconnect_para mode = {
867 .adopt = true,
868 .period = 30,
869 .retry_count = 5,
870 };
871
872 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
873
874 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
875 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
876 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
877 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
878 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
879 }
880
881 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
882 }
883
rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)884 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
885 {
886 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
887 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
888
889 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
890
891 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
892 if (rtw_wow_mgd_linked(rtwdev)) {
893 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
894 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
895 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
896 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
897 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
898 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
899 if (rtw_wow->pattern_cnt)
900 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
901 }
902
903 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
904 }
905
rtw_fw_set_aoac_global_info_cmd(struct rtw_dev * rtwdev,u8 pairwise_key_enc,u8 group_key_enc)906 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
907 u8 pairwise_key_enc,
908 u8 group_key_enc)
909 {
910 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
911
912 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
913
914 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
915 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
916
917 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
918 }
919
rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)920 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
921 {
922 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
923
924 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
925
926 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
927
928 if (rtw_wow_no_link(rtwdev))
929 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
930
931 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
932 }
933
rtw_get_rsvd_page_location(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type)934 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
935 enum rtw_rsvd_packet_type type)
936 {
937 struct rtw_rsvd_page *rsvd_pkt;
938 u8 location = 0;
939
940 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
941 if (type == rsvd_pkt->type)
942 location = rsvd_pkt->page;
943 }
944
945 return location;
946 }
947
rtw_fw_set_nlo_info(struct rtw_dev * rtwdev,bool enable)948 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
949 {
950 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
951 u8 loc_nlo;
952
953 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
954
955 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
956
957 SET_NLO_FUN_EN(h2c_pkt, enable);
958 if (enable) {
959 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)
960 SET_NLO_PS_32K(h2c_pkt, enable);
961 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
962 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
963 }
964
965 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
966 }
967
rtw_fw_set_recover_bt_device(struct rtw_dev * rtwdev)968 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
969 {
970 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
971
972 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
973 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
974
975 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
976 }
977
rtw_fw_set_pg_info(struct rtw_dev * rtwdev)978 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
979 {
980 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
981 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
982 u8 loc_pg, loc_dpk;
983
984 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
985 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
986
987 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
988
989 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
990 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
991 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
992 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
993
994 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
995 }
996
rtw_get_rsvd_page_probe_req_location(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)997 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
998 struct cfg80211_ssid *ssid)
999 {
1000 struct rtw_rsvd_page *rsvd_pkt;
1001 u8 location = 0;
1002
1003 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1004 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1005 continue;
1006 if ((!ssid && !rsvd_pkt->ssid) ||
1007 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1008 location = rsvd_pkt->page;
1009 }
1010
1011 return location;
1012 }
1013
rtw_get_rsvd_page_probe_req_size(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1014 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
1015 struct cfg80211_ssid *ssid)
1016 {
1017 struct rtw_rsvd_page *rsvd_pkt;
1018 u16 size = 0;
1019
1020 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1021 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1022 continue;
1023 if ((!ssid && !rsvd_pkt->ssid) ||
1024 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1025 size = rsvd_pkt->probe_req_size;
1026 }
1027
1028 return size;
1029 }
1030
rtw_send_rsvd_page_h2c(struct rtw_dev * rtwdev)1031 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
1032 {
1033 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1034 u8 location = 0;
1035
1036 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
1037
1038 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
1039 *(h2c_pkt + 1) = location;
1040 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
1041
1042 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
1043 *(h2c_pkt + 2) = location;
1044 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
1045
1046 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
1047 *(h2c_pkt + 3) = location;
1048 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
1049
1050 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
1051 *(h2c_pkt + 4) = location;
1052 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
1053
1054 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1055 }
1056
rtw_nlo_info_get(struct ieee80211_hw * hw)1057 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
1058 {
1059 struct rtw_dev *rtwdev = hw->priv;
1060 const struct rtw_chip_info *chip = rtwdev->chip;
1061 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1062 struct rtw_nlo_info_hdr *nlo_hdr;
1063 struct cfg80211_ssid *ssid;
1064 struct sk_buff *skb;
1065 u8 *pos, loc;
1066 u32 size;
1067 int i;
1068
1069 if (!pno_req->inited || !pno_req->match_set_cnt)
1070 return NULL;
1071
1072 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
1073 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
1074
1075 skb = alloc_skb(size, GFP_KERNEL);
1076 if (!skb)
1077 return NULL;
1078
1079 skb_reserve(skb, chip->tx_pkt_desc_sz);
1080
1081 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
1082
1083 nlo_hdr->nlo_count = pno_req->match_set_cnt;
1084 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
1085
1086 /* pattern check for firmware */
1087 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
1088
1089 for (i = 0; i < pno_req->match_set_cnt; i++)
1090 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
1091
1092 for (i = 0; i < pno_req->match_set_cnt; i++) {
1093 ssid = &pno_req->match_sets[i].ssid;
1094 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1095 if (!loc) {
1096 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
1097 kfree_skb(skb);
1098 return NULL;
1099 }
1100 nlo_hdr->location[i] = loc;
1101 }
1102
1103 for (i = 0; i < pno_req->match_set_cnt; i++) {
1104 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
1105 memcpy(pos, pno_req->match_sets[i].ssid.ssid,
1106 pno_req->match_sets[i].ssid.ssid_len);
1107 }
1108
1109 return skb;
1110 }
1111
rtw_cs_channel_info_get(struct ieee80211_hw * hw)1112 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
1113 {
1114 struct rtw_dev *rtwdev = hw->priv;
1115 const struct rtw_chip_info *chip = rtwdev->chip;
1116 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1117 struct ieee80211_channel *channels = pno_req->channels;
1118 struct sk_buff *skb;
1119 int count = pno_req->channel_cnt;
1120 u8 *pos;
1121 int i = 0;
1122
1123 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
1124 if (!skb)
1125 return NULL;
1126
1127 skb_reserve(skb, chip->tx_pkt_desc_sz);
1128
1129 for (i = 0; i < count; i++) {
1130 pos = skb_put_zero(skb, 4);
1131
1132 CHSW_INFO_SET_CH(pos, channels[i].hw_value);
1133
1134 if (channels[i].flags & IEEE80211_CHAN_RADAR)
1135 CHSW_INFO_SET_ACTION_ID(pos, 0);
1136 else
1137 CHSW_INFO_SET_ACTION_ID(pos, 1);
1138 CHSW_INFO_SET_TIMEOUT(pos, 1);
1139 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
1140 CHSW_INFO_SET_BW(pos, 0);
1141 }
1142
1143 return skb;
1144 }
1145
rtw_lps_pg_dpk_get(struct ieee80211_hw * hw)1146 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
1147 {
1148 struct rtw_dev *rtwdev = hw->priv;
1149 const struct rtw_chip_info *chip = rtwdev->chip;
1150 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
1151 struct rtw_lps_pg_dpk_hdr *dpk_hdr;
1152 struct sk_buff *skb;
1153 u32 size;
1154
1155 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
1156 skb = alloc_skb(size, GFP_KERNEL);
1157 if (!skb)
1158 return NULL;
1159
1160 skb_reserve(skb, chip->tx_pkt_desc_sz);
1161 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
1162 dpk_hdr->dpk_ch = dpk_info->dpk_ch;
1163 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
1164 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
1165 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
1166 memcpy(dpk_hdr->coef, dpk_info->coef, 160);
1167
1168 return skb;
1169 }
1170
rtw_lps_pg_info_get(struct ieee80211_hw * hw)1171 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
1172 {
1173 struct rtw_dev *rtwdev = hw->priv;
1174 const struct rtw_chip_info *chip = rtwdev->chip;
1175 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
1176 struct rtw_lps_pg_info_hdr *pg_info_hdr;
1177 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1178 struct sk_buff *skb;
1179 u32 size;
1180
1181 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
1182 skb = alloc_skb(size, GFP_KERNEL);
1183 if (!skb)
1184 return NULL;
1185
1186 skb_reserve(skb, chip->tx_pkt_desc_sz);
1187 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
1188 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
1189 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
1190 pg_info_hdr->sec_cam_count =
1191 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
1192 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
1193
1194 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
1195 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
1196
1197 return skb;
1198 }
1199
rtw_get_rsvd_page_skb(struct ieee80211_hw * hw,struct rtw_rsvd_page * rsvd_pkt)1200 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
1201 struct rtw_rsvd_page *rsvd_pkt)
1202 {
1203 struct ieee80211_vif *vif;
1204 struct rtw_vif *rtwvif;
1205 struct sk_buff *skb_new;
1206 struct cfg80211_ssid *ssid;
1207 u16 tim_offset = 0;
1208
1209 if (rsvd_pkt->type == RSVD_DUMMY) {
1210 skb_new = alloc_skb(1, GFP_KERNEL);
1211 if (!skb_new)
1212 return NULL;
1213
1214 skb_put(skb_new, 1);
1215 return skb_new;
1216 }
1217
1218 rtwvif = rsvd_pkt->rtwvif;
1219 if (!rtwvif)
1220 return NULL;
1221
1222 vif = rtwvif_to_vif(rtwvif);
1223
1224 switch (rsvd_pkt->type) {
1225 case RSVD_BEACON:
1226 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);
1227 rsvd_pkt->tim_offset = tim_offset;
1228 break;
1229 case RSVD_PS_POLL:
1230 skb_new = ieee80211_pspoll_get(hw, vif);
1231 break;
1232 case RSVD_PROBE_RESP:
1233 skb_new = ieee80211_proberesp_get(hw, vif);
1234 break;
1235 case RSVD_NULL:
1236 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);
1237 break;
1238 case RSVD_QOS_NULL:
1239 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);
1240 break;
1241 case RSVD_LPS_PG_DPK:
1242 skb_new = rtw_lps_pg_dpk_get(hw);
1243 break;
1244 case RSVD_LPS_PG_INFO:
1245 skb_new = rtw_lps_pg_info_get(hw);
1246 break;
1247 case RSVD_PROBE_REQ:
1248 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
1249 if (ssid)
1250 skb_new = ieee80211_probereq_get(hw, vif->addr,
1251 ssid->ssid,
1252 ssid->ssid_len, 0);
1253 else
1254 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
1255 if (skb_new)
1256 rsvd_pkt->probe_req_size = (u16)skb_new->len;
1257 break;
1258 case RSVD_NLO_INFO:
1259 skb_new = rtw_nlo_info_get(hw);
1260 break;
1261 case RSVD_CH_INFO:
1262 skb_new = rtw_cs_channel_info_get(hw);
1263 break;
1264 default:
1265 return NULL;
1266 }
1267
1268 if (!skb_new)
1269 return NULL;
1270
1271 return skb_new;
1272 }
1273
rtw_fill_rsvd_page_desc(struct rtw_dev * rtwdev,struct sk_buff * skb,enum rtw_rsvd_packet_type type)1274 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
1275 enum rtw_rsvd_packet_type type)
1276 {
1277 struct rtw_tx_pkt_info pkt_info = {0};
1278 const struct rtw_chip_info *chip = rtwdev->chip;
1279 u8 *pkt_desc;
1280
1281 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);
1282 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
1283 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
1284 rtw_tx_fill_tx_desc(&pkt_info, skb);
1285 }
1286
rtw_len_to_page(unsigned int len,u8 page_size)1287 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)
1288 {
1289 return DIV_ROUND_UP(len, page_size);
1290 }
1291
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)1292 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,
1293 u8 page_margin, u32 page, u8 *buf,
1294 struct rtw_rsvd_page *rsvd_pkt)
1295 {
1296 struct sk_buff *skb = rsvd_pkt->skb;
1297
1298 if (page >= 1)
1299 memcpy(buf + page_margin + page_size * (page - 1),
1300 skb->data, skb->len);
1301 else
1302 memcpy(buf, skb->data, skb->len);
1303 }
1304
rtw_alloc_rsvd_page(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type,bool txdesc)1305 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
1306 enum rtw_rsvd_packet_type type,
1307 bool txdesc)
1308 {
1309 struct rtw_rsvd_page *rsvd_pkt = NULL;
1310
1311 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
1312
1313 if (!rsvd_pkt)
1314 return NULL;
1315
1316 INIT_LIST_HEAD(&rsvd_pkt->vif_list);
1317 INIT_LIST_HEAD(&rsvd_pkt->build_list);
1318 rsvd_pkt->type = type;
1319 rsvd_pkt->add_txdesc = txdesc;
1320
1321 return rsvd_pkt;
1322 }
1323
rtw_insert_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_rsvd_page * rsvd_pkt)1324 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
1325 struct rtw_vif *rtwvif,
1326 struct rtw_rsvd_page *rsvd_pkt)
1327 {
1328 lockdep_assert_held(&rtwdev->mutex);
1329
1330 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
1331 }
1332
rtw_add_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,enum rtw_rsvd_packet_type type,bool txdesc)1333 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
1334 struct rtw_vif *rtwvif,
1335 enum rtw_rsvd_packet_type type,
1336 bool txdesc)
1337 {
1338 struct rtw_rsvd_page *rsvd_pkt;
1339
1340 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
1341 if (!rsvd_pkt) {
1342 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
1343 return;
1344 }
1345
1346 rsvd_pkt->rtwvif = rtwvif;
1347 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1348 }
1349
rtw_add_rsvd_page_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct cfg80211_ssid * ssid)1350 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
1351 struct rtw_vif *rtwvif,
1352 struct cfg80211_ssid *ssid)
1353 {
1354 struct rtw_rsvd_page *rsvd_pkt;
1355
1356 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
1357 if (!rsvd_pkt) {
1358 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
1359 return;
1360 }
1361
1362 rsvd_pkt->rtwvif = rtwvif;
1363 rsvd_pkt->ssid = ssid;
1364 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1365 }
1366
rtw_remove_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1367 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
1368 struct rtw_vif *rtwvif)
1369 {
1370 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1371
1372 lockdep_assert_held(&rtwdev->mutex);
1373
1374 /* remove all of the rsvd pages for vif */
1375 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
1376 vif_list) {
1377 list_del(&rsvd_pkt->vif_list);
1378 if (!list_empty(&rsvd_pkt->build_list))
1379 list_del(&rsvd_pkt->build_list);
1380 kfree(rsvd_pkt);
1381 }
1382 }
1383
rtw_add_rsvd_page_bcn(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1384 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
1385 struct rtw_vif *rtwvif)
1386 {
1387 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1388
1389 if (vif->type != NL80211_IFTYPE_AP &&
1390 vif->type != NL80211_IFTYPE_ADHOC &&
1391 vif->type != NL80211_IFTYPE_MESH_POINT) {
1392 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
1393 vif->type);
1394 return;
1395 }
1396
1397 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
1398 }
1399
rtw_add_rsvd_page_pno(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1400 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
1401 struct rtw_vif *rtwvif)
1402 {
1403 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1404 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1405 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
1406 struct cfg80211_ssid *ssid;
1407 int i;
1408
1409 if (vif->type != NL80211_IFTYPE_STATION) {
1410 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
1411 vif->type);
1412 return;
1413 }
1414
1415 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
1416 ssid = &rtw_pno_req->match_sets[i].ssid;
1417 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
1418 }
1419
1420 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
1421 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
1422 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
1423 }
1424
rtw_add_rsvd_page_sta(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1425 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
1426 struct rtw_vif *rtwvif)
1427 {
1428 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1429
1430 if (vif->type != NL80211_IFTYPE_STATION) {
1431 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
1432 vif->type);
1433 return;
1434 }
1435
1436 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
1437 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
1438 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
1439 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
1440 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
1441 }
1442
rtw_fw_write_data_rsvd_page(struct rtw_dev * rtwdev,u16 pg_addr,u8 * buf,u32 size)1443 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
1444 u8 *buf, u32 size)
1445 {
1446 u8 bckp[2];
1447 u8 val;
1448 u16 rsvd_pg_head;
1449 u32 bcn_valid_addr;
1450 u32 bcn_valid_mask;
1451 int ret;
1452
1453 lockdep_assert_held(&rtwdev->mutex);
1454
1455 if (!size)
1456 return -EINVAL;
1457
1458 if (rtw_chip_wcpu_11n(rtwdev)) {
1459 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
1460 } else {
1461 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
1462 pg_addr |= BIT_BCN_VALID_V1;
1463 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
1464 }
1465
1466 val = rtw_read8(rtwdev, REG_CR + 1);
1467 bckp[0] = val;
1468 val |= BIT_ENSWBCN >> 8;
1469 rtw_write8(rtwdev, REG_CR + 1, val);
1470
1471 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
1472 bckp[1] = val;
1473 val &= ~(BIT_EN_BCNQ_DL >> 16);
1474 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
1475
1476 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
1477 if (ret) {
1478 rtw_err(rtwdev, "failed to write data to rsvd page\n");
1479 goto restore;
1480 }
1481
1482 if (rtw_chip_wcpu_11n(rtwdev)) {
1483 bcn_valid_addr = REG_DWBCN0_CTRL;
1484 bcn_valid_mask = BIT_BCN_VALID;
1485 } else {
1486 bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
1487 bcn_valid_mask = BIT_BCN_VALID_V1;
1488 }
1489
1490 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
1491 rtw_err(rtwdev, "error beacon valid\n");
1492 ret = -EBUSY;
1493 }
1494
1495 restore:
1496 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
1497 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
1498 rsvd_pg_head | BIT_BCN_VALID_V1);
1499 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
1500 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
1501
1502 return ret;
1503 }
1504
rtw_download_drv_rsvd_page(struct rtw_dev * rtwdev,u8 * buf,u32 size)1505 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
1506 {
1507 u32 pg_size;
1508 u32 pg_num = 0;
1509 u16 pg_addr = 0;
1510
1511 pg_size = rtwdev->chip->page_size;
1512 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
1513 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
1514 return -ENOMEM;
1515
1516 pg_addr = rtwdev->fifo.rsvd_drv_addr;
1517
1518 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
1519 }
1520
__rtw_build_rsvd_page_reset(struct rtw_dev * rtwdev)1521 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
1522 {
1523 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1524
1525 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
1526 build_list) {
1527 list_del_init(&rsvd_pkt->build_list);
1528
1529 /* Don't free except for the dummy rsvd page,
1530 * others will be freed when removing vif
1531 */
1532 if (rsvd_pkt->type == RSVD_DUMMY)
1533 kfree(rsvd_pkt);
1534 }
1535 }
1536
rtw_build_rsvd_page_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1537 static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
1538 struct ieee80211_vif *vif)
1539 {
1540 struct rtw_dev *rtwdev = data;
1541 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
1542 struct rtw_rsvd_page *rsvd_pkt;
1543
1544 /* AP not yet started, don't gather its rsvd pages */
1545 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)
1546 return;
1547
1548 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
1549 if (rsvd_pkt->type == RSVD_BEACON)
1550 list_add(&rsvd_pkt->build_list,
1551 &rtwdev->rsvd_page_list);
1552 else
1553 list_add_tail(&rsvd_pkt->build_list,
1554 &rtwdev->rsvd_page_list);
1555 }
1556 }
1557
__rtw_build_rsvd_page_from_vifs(struct rtw_dev * rtwdev)1558 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
1559 {
1560 struct rtw_rsvd_page *rsvd_pkt;
1561
1562 __rtw_build_rsvd_page_reset(rtwdev);
1563
1564 /* gather rsvd page from vifs */
1565 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
1566
1567 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1568 struct rtw_rsvd_page, build_list);
1569 if (!rsvd_pkt) {
1570 WARN(1, "Should not have an empty reserved page\n");
1571 return -EINVAL;
1572 }
1573
1574 /* the first rsvd should be beacon, otherwise add a dummy one */
1575 if (rsvd_pkt->type != RSVD_BEACON) {
1576 struct rtw_rsvd_page *dummy_pkt;
1577
1578 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
1579 if (!dummy_pkt) {
1580 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
1581 return -ENOMEM;
1582 }
1583
1584 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
1585 }
1586
1587 return 0;
1588 }
1589
rtw_build_rsvd_page(struct rtw_dev * rtwdev,u32 * size)1590 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
1591 {
1592 struct ieee80211_hw *hw = rtwdev->hw;
1593 const struct rtw_chip_info *chip = rtwdev->chip;
1594 struct sk_buff *iter;
1595 struct rtw_rsvd_page *rsvd_pkt;
1596 u32 page = 0;
1597 u8 total_page = 0;
1598 u8 page_size, page_margin, tx_desc_sz;
1599 u8 *buf;
1600 int ret;
1601
1602 page_size = chip->page_size;
1603 tx_desc_sz = chip->tx_pkt_desc_sz;
1604 page_margin = page_size - tx_desc_sz;
1605
1606 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
1607 if (ret) {
1608 rtw_err(rtwdev,
1609 "failed to build rsvd page from vifs, ret %d\n", ret);
1610 return NULL;
1611 }
1612
1613 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1614 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1615 if (!iter) {
1616 rtw_err(rtwdev, "failed to build rsvd packet\n");
1617 goto release_skb;
1618 }
1619
1620 /* Fill the tx_desc for the rsvd pkt that requires one.
1621 * And iter->len will be added with size of tx_desc_sz.
1622 */
1623 if (rsvd_pkt->add_txdesc)
1624 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);
1625
1626 rsvd_pkt->skb = iter;
1627 rsvd_pkt->page = total_page;
1628
1629 /* Reserved page is downloaded via TX path, and TX path will
1630 * generate a tx_desc at the header to describe length of
1631 * the buffer. If we are not counting page numbers with the
1632 * size of tx_desc added at the first rsvd_pkt (usually a
1633 * beacon, firmware default refer to the first page as the
1634 * content of beacon), we could generate a buffer which size
1635 * is smaller than the actual size of the whole rsvd_page
1636 */
1637 if (total_page == 0) {
1638 if (rsvd_pkt->type != RSVD_BEACON &&
1639 rsvd_pkt->type != RSVD_DUMMY) {
1640 rtw_err(rtwdev, "first page should be a beacon\n");
1641 goto release_skb;
1642 }
1643 total_page += rtw_len_to_page(iter->len + tx_desc_sz,
1644 page_size);
1645 } else {
1646 total_page += rtw_len_to_page(iter->len, page_size);
1647 }
1648 }
1649
1650 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
1651 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
1652 goto release_skb;
1653 }
1654
1655 *size = (total_page - 1) * page_size + page_margin;
1656 buf = kzalloc(*size, GFP_KERNEL);
1657 if (!buf)
1658 goto release_skb;
1659
1660 /* Copy the content of each rsvd_pkt to the buf, and they should
1661 * be aligned to the pages.
1662 *
1663 * Note that the first rsvd_pkt is a beacon no matter what vif->type.
1664 * And that rsvd_pkt does not require tx_desc because when it goes
1665 * through TX path, the TX path will generate one for it.
1666 */
1667 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1668 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
1669 page, buf, rsvd_pkt);
1670 if (page == 0)
1671 page += rtw_len_to_page(rsvd_pkt->skb->len +
1672 tx_desc_sz, page_size);
1673 else
1674 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
1675
1676 kfree_skb(rsvd_pkt->skb);
1677 rsvd_pkt->skb = NULL;
1678 }
1679
1680 return buf;
1681
1682 release_skb:
1683 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1684 kfree_skb(rsvd_pkt->skb);
1685 rsvd_pkt->skb = NULL;
1686 }
1687
1688 return NULL;
1689 }
1690
rtw_download_beacon(struct rtw_dev * rtwdev)1691 static int rtw_download_beacon(struct rtw_dev *rtwdev)
1692 {
1693 struct ieee80211_hw *hw = rtwdev->hw;
1694 struct rtw_rsvd_page *rsvd_pkt;
1695 struct sk_buff *skb;
1696 int ret = 0;
1697
1698 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1699 struct rtw_rsvd_page, build_list);
1700 if (!rsvd_pkt) {
1701 rtw_err(rtwdev, "failed to get rsvd page from build list\n");
1702 return -ENOENT;
1703 }
1704
1705 if (rsvd_pkt->type != RSVD_BEACON &&
1706 rsvd_pkt->type != RSVD_DUMMY) {
1707 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
1708 rsvd_pkt->type);
1709 return -EINVAL;
1710 }
1711
1712 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1713 if (!skb) {
1714 rtw_err(rtwdev, "failed to get beacon skb\n");
1715 return -ENOMEM;
1716 }
1717
1718 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
1719 if (ret)
1720 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1721
1722 dev_kfree_skb(skb);
1723
1724 return ret;
1725 }
1726
rtw_fw_download_rsvd_page(struct rtw_dev * rtwdev)1727 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
1728 {
1729 u8 *buf;
1730 u32 size;
1731 int ret;
1732
1733 buf = rtw_build_rsvd_page(rtwdev, &size);
1734 if (!buf) {
1735 rtw_err(rtwdev, "failed to build rsvd page pkt\n");
1736 return -ENOMEM;
1737 }
1738
1739 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
1740 if (ret) {
1741 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1742 goto free;
1743 }
1744
1745 /* The last thing is to download the *ONLY* beacon again, because
1746 * the previous tx_desc is to describe the total rsvd page. Download
1747 * the beacon again to replace the TX desc header, and we will get
1748 * a correct tx_desc for the beacon in the rsvd page.
1749 */
1750 ret = rtw_download_beacon(rtwdev);
1751 if (ret) {
1752 rtw_err(rtwdev, "failed to download beacon\n");
1753 goto free;
1754 }
1755
1756 free:
1757 kfree(buf);
1758
1759 return ret;
1760 }
1761
rtw_fw_update_beacon_work(struct work_struct * work)1762 void rtw_fw_update_beacon_work(struct work_struct *work)
1763 {
1764 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
1765 update_beacon_work);
1766
1767 mutex_lock(&rtwdev->mutex);
1768 rtw_fw_download_rsvd_page(rtwdev);
1769 rtw_send_rsvd_page_h2c(rtwdev);
1770 mutex_unlock(&rtwdev->mutex);
1771 }
1772
rtw_fw_read_fifo_page(struct rtw_dev * rtwdev,u32 offset,u32 size,u32 * buf,u32 residue,u16 start_pg)1773 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,
1774 u32 *buf, u32 residue, u16 start_pg)
1775 {
1776 u32 i;
1777 u16 idx = 0;
1778 u16 ctl;
1779
1780 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
1781 /* disable rx clock gate */
1782 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);
1783
1784 do {
1785 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
1786
1787 for (i = FIFO_DUMP_ADDR + residue;
1788 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
1789 buf[idx++] = rtw_read32(rtwdev, i);
1790 size -= 4;
1791 if (size == 0)
1792 goto out;
1793 }
1794
1795 residue = 0;
1796 start_pg++;
1797 } while (size);
1798
1799 out:
1800 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
1801 /* restore rx clock gate */
1802 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);
1803 }
1804
rtw_fw_read_fifo(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 offset,u32 size,u32 * buf)1805 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,
1806 u32 offset, u32 size, u32 *buf)
1807 {
1808 const struct rtw_chip_info *chip = rtwdev->chip;
1809 u32 start_pg, residue;
1810
1811 if (sel >= RTW_FW_FIFO_MAX) {
1812 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");
1813 return;
1814 }
1815 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)
1816 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;
1817 residue = offset & (FIFO_PAGE_SIZE - 1);
1818 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];
1819
1820 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);
1821 }
1822
rtw_fw_dump_check_size(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 start_addr,u32 size)1823 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
1824 enum rtw_fw_fifo_sel sel,
1825 u32 start_addr, u32 size)
1826 {
1827 switch (sel) {
1828 case RTW_FW_FIFO_SEL_TX:
1829 case RTW_FW_FIFO_SEL_RX:
1830 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])
1831 return false;
1832 fallthrough;
1833 default:
1834 return true;
1835 }
1836 }
1837
rtw_fw_dump_fifo(struct rtw_dev * rtwdev,u8 fifo_sel,u32 addr,u32 size,u32 * buffer)1838 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
1839 u32 *buffer)
1840 {
1841 if (!rtwdev->chip->fw_fifo_addr[0]) {
1842 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
1843 return -ENOTSUPP;
1844 }
1845
1846 if (size == 0 || !buffer)
1847 return -EINVAL;
1848
1849 if (size & 0x3) {
1850 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");
1851 return -EINVAL;
1852 }
1853
1854 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {
1855 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");
1856 return -EINVAL;
1857 }
1858
1859 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);
1860
1861 return 0;
1862 }
1863
__rtw_fw_update_pkt(struct rtw_dev * rtwdev,u8 pkt_id,u16 size,u8 location)1864 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
1865 u8 location)
1866 {
1867 const struct rtw_chip_info *chip = rtwdev->chip;
1868 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1869 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
1870
1871 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
1872
1873 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1874 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
1875 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
1876
1877 /* include txdesc size */
1878 size += chip->tx_pkt_desc_sz;
1879 UPDATE_PKT_SET_SIZE(h2c_pkt, size);
1880
1881 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1882 }
1883
rtw_fw_update_pkt_probe_req(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1884 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
1885 struct cfg80211_ssid *ssid)
1886 {
1887 u8 loc;
1888 u16 size;
1889
1890 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1891 if (!loc) {
1892 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
1893 return;
1894 }
1895
1896 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
1897 if (!size) {
1898 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
1899 return;
1900 }
1901
1902 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
1903 }
1904
rtw_fw_channel_switch(struct rtw_dev * rtwdev,bool enable)1905 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
1906 {
1907 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
1908 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1909 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
1910 u8 loc_ch_info;
1911 const struct rtw_ch_switch_option cs_option = {
1912 .dest_ch_en = 1,
1913 .dest_ch = 1,
1914 .periodic_option = 2,
1915 .normal_period = 5,
1916 .normal_period_sel = 0,
1917 .normal_cycle = 10,
1918 .slow_period = 1,
1919 .slow_period_sel = 1,
1920 };
1921
1922 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
1923 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1924
1925 CH_SWITCH_SET_START(h2c_pkt, enable);
1926 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
1927 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
1928 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
1929 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
1930 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
1931 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
1932 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
1933 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
1934
1935 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
1936 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
1937
1938 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
1939 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
1940
1941 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1942 }
1943
rtw_fw_adaptivity(struct rtw_dev * rtwdev)1944 void rtw_fw_adaptivity(struct rtw_dev *rtwdev)
1945 {
1946 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
1947 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1948
1949 if (!rtw_edcca_enabled) {
1950 dm_info->edcca_mode = RTW_EDCCA_NORMAL;
1951 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
1952 "EDCCA disabled by debugfs\n");
1953 }
1954
1955 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);
1956 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);
1957 SET_ADAPTIVITY_OPTION(h2c_pkt, 1);
1958 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);
1959 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);
1960 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);
1961
1962 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1963 }
1964
rtw_fw_scan_notify(struct rtw_dev * rtwdev,bool start)1965 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)
1966 {
1967 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1968
1969 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);
1970 SET_SCAN_START(h2c_pkt, start);
1971
1972 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1973 }
1974
rtw_append_probe_req_ie(struct rtw_dev * rtwdev,struct sk_buff * skb,struct sk_buff_head * list,u8 * bands,struct rtw_vif * rtwvif)1975 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,
1976 struct sk_buff_head *list, u8 *bands,
1977 struct rtw_vif *rtwvif)
1978 {
1979 const struct rtw_chip_info *chip = rtwdev->chip;
1980 struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
1981 struct sk_buff *new;
1982 u8 idx;
1983
1984 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {
1985 if (!(BIT(idx) & chip->band))
1986 continue;
1987 new = skb_copy(skb, GFP_KERNEL);
1988 if (!new)
1989 return -ENOMEM;
1990 skb_put_data(new, ies->ies[idx], ies->len[idx]);
1991 skb_put_data(new, ies->common_ies, ies->common_ie_len);
1992 skb_queue_tail(list, new);
1993 (*bands)++;
1994 }
1995
1996 return 0;
1997 }
1998
_rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,u8 num_probes,struct sk_buff_head * probe_req_list)1999 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,
2000 struct sk_buff_head *probe_req_list)
2001 {
2002 const struct rtw_chip_info *chip = rtwdev->chip;
2003 struct sk_buff *skb, *tmp;
2004 u8 page_offset = 1, *buf, page_size = chip->page_size;
2005 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;
2006 u16 buf_offset = page_size * page_offset;
2007 u8 tx_desc_sz = chip->tx_pkt_desc_sz;
2008 u8 page_cnt, pages;
2009 unsigned int pkt_len;
2010 int ret;
2011
2012 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))
2013 page_cnt = RTW_OLD_PROBE_PG_CNT;
2014 else
2015 page_cnt = RTW_PROBE_PG_CNT;
2016
2017 pages = page_offset + num_probes * page_cnt;
2018
2019 buf = kzalloc(page_size * pages, GFP_KERNEL);
2020 if (!buf)
2021 return -ENOMEM;
2022
2023 buf_offset -= tx_desc_sz;
2024 skb_queue_walk_safe(probe_req_list, skb, tmp) {
2025 skb_unlink(skb, probe_req_list);
2026 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);
2027 if (skb->len > page_size * page_cnt) {
2028 ret = -EINVAL;
2029 goto out;
2030 }
2031
2032 memcpy(buf + buf_offset, skb->data, skb->len);
2033 pkt_len = skb->len - tx_desc_sz;
2034 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;
2035 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);
2036
2037 buf_offset += page_cnt * page_size;
2038 page_offset += page_cnt;
2039 kfree_skb(skb);
2040 }
2041
2042 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);
2043 if (ret) {
2044 rtw_err(rtwdev, "Download probe request to firmware failed\n");
2045 goto out;
2046 }
2047
2048 rtwdev->scan_info.probe_pg_size = page_offset;
2049 out:
2050 kfree(buf);
2051 skb_queue_walk_safe(probe_req_list, skb, tmp)
2052 kfree_skb(skb);
2053
2054 return ret;
2055 }
2056
rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)2057 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,
2058 struct rtw_vif *rtwvif)
2059 {
2060 struct cfg80211_scan_request *req = rtwvif->scan_req;
2061 struct sk_buff_head list;
2062 struct sk_buff *skb, *tmp;
2063 u8 num = req->n_ssids, i, bands = 0;
2064 int ret;
2065
2066 skb_queue_head_init(&list);
2067 for (i = 0; i < num; i++) {
2068 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,
2069 req->ssids[i].ssid,
2070 req->ssids[i].ssid_len,
2071 req->ie_len);
2072 if (!skb) {
2073 ret = -ENOMEM;
2074 goto out;
2075 }
2076 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,
2077 rtwvif);
2078 if (ret)
2079 goto out;
2080
2081 kfree_skb(skb);
2082 }
2083
2084 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);
2085
2086 out:
2087 skb_queue_walk_safe(&list, skb, tmp)
2088 kfree_skb(skb);
2089
2090 return ret;
2091 }
2092
rtw_add_chan_info(struct rtw_dev * rtwdev,struct rtw_chan_info * info,struct rtw_chan_list * list,u8 * buf)2093 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,
2094 struct rtw_chan_list *list, u8 *buf)
2095 {
2096 u8 *chan = &buf[list->size];
2097 u8 info_size = RTW_CH_INFO_SIZE;
2098
2099 if (list->size > list->buf_size)
2100 return -ENOMEM;
2101
2102 CH_INFO_SET_CH(chan, info->channel);
2103 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);
2104 CH_INFO_SET_BW(chan, info->bw);
2105 CH_INFO_SET_TIMEOUT(chan, info->timeout);
2106 CH_INFO_SET_ACTION_ID(chan, info->action_id);
2107 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);
2108 if (info->extra_info) {
2109 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);
2110 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);
2111 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -
2112 RTW_EX_CH_INFO_HDR_SIZE);
2113 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);
2114 info_size += RTW_EX_CH_INFO_SIZE;
2115 }
2116 list->size += info_size;
2117 list->ch_num++;
2118
2119 return 0;
2120 }
2121
rtw_add_chan_list(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list,u8 * buf)2122 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2123 struct rtw_chan_list *list, u8 *buf)
2124 {
2125 struct cfg80211_scan_request *req = rtwvif->scan_req;
2126 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2127 struct ieee80211_channel *channel;
2128 int i, ret = 0;
2129
2130 for (i = 0; i < req->n_channels; i++) {
2131 struct rtw_chan_info ch_info = {0};
2132
2133 channel = req->channels[i];
2134 ch_info.channel = channel->hw_value;
2135 ch_info.bw = RTW_SCAN_WIDTH;
2136 ch_info.pri_ch_idx = RTW_PRI_CH_IDX;
2137 ch_info.timeout = req->duration_mandatory ?
2138 req->duration : RTW_CHANNEL_TIME;
2139
2140 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {
2141 ch_info.action_id = RTW_CHANNEL_RADAR;
2142 ch_info.extra_info = 1;
2143 /* Overwrite duration for passive scans if necessary */
2144 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?
2145 ch_info.timeout : RTW_PASS_CHAN_TIME;
2146 } else {
2147 ch_info.action_id = RTW_CHANNEL_ACTIVE;
2148 }
2149
2150 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);
2151 if (ret)
2152 return ret;
2153 }
2154
2155 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {
2156 rtw_err(rtwdev, "List exceeds rsvd page total size\n");
2157 return -EINVAL;
2158 }
2159
2160 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;
2161 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);
2162 if (ret)
2163 rtw_err(rtwdev, "Download channel list failed\n");
2164
2165 return ret;
2166 }
2167
rtw_fw_set_scan_offload(struct rtw_dev * rtwdev,struct rtw_ch_switch_option * opt,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2168 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,
2169 struct rtw_ch_switch_option *opt,
2170 struct rtw_vif *rtwvif,
2171 struct rtw_chan_list *list)
2172 {
2173 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2174 struct cfg80211_scan_request *req = rtwvif->scan_req;
2175 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2176 /* reserve one dummy page at the beginning for tx descriptor */
2177 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;
2178 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;
2179 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
2180
2181 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);
2182 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);
2183
2184 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);
2185 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);
2186 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);
2187 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);
2188 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);
2189 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);
2190 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);
2191 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);
2192 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);
2193 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);
2194 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);
2195 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?
2196 req->duration : RTW_CHANNEL_TIME);
2197 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);
2198 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);
2199 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);
2200
2201 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
2202 }
2203
rtw_hw_scan_start(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_scan_request * scan_req)2204 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2205 struct ieee80211_scan_request *scan_req)
2206 {
2207 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
2208 struct cfg80211_scan_request *req = &scan_req->req;
2209 u8 mac_addr[ETH_ALEN];
2210
2211 rtwdev->scan_info.scanning_vif = vif;
2212 rtwvif->scan_ies = &scan_req->ies;
2213 rtwvif->scan_req = req;
2214
2215 ieee80211_stop_queues(rtwdev->hw);
2216 rtw_leave_lps_deep(rtwdev);
2217 rtw_hci_flush_all_queues(rtwdev, false);
2218 rtw_mac_flush_all_queues(rtwdev, false);
2219 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
2220 get_random_mask_addr(mac_addr, req->mac_addr,
2221 req->mac_addr_mask);
2222 else
2223 ether_addr_copy(mac_addr, vif->addr);
2224
2225 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);
2226
2227 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;
2228 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2229 }
2230
rtw_hw_scan_complete(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool aborted)2231 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2232 bool aborted)
2233 {
2234 struct cfg80211_scan_info info = {
2235 .aborted = aborted,
2236 };
2237 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2238 struct rtw_hal *hal = &rtwdev->hal;
2239 struct rtw_vif *rtwvif;
2240 u8 chan = scan_info->op_chan;
2241
2242 if (!vif)
2243 return;
2244
2245 rtwdev->hal.rcr |= BIT_CBSSID_BCN;
2246 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2247
2248 rtw_core_scan_complete(rtwdev, vif, true);
2249
2250 rtwvif = (struct rtw_vif *)vif->drv_priv;
2251 if (chan)
2252 rtw_store_op_chan(rtwdev, false);
2253 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
2254 ieee80211_wake_queues(rtwdev->hw);
2255 ieee80211_scan_completed(rtwdev->hw, &info);
2256
2257 rtwvif->scan_req = NULL;
2258 rtwvif->scan_ies = NULL;
2259 rtwdev->scan_info.scanning_vif = NULL;
2260 }
2261
rtw_hw_scan_prehandle(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2262 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2263 struct rtw_chan_list *list)
2264 {
2265 struct cfg80211_scan_request *req = rtwvif->scan_req;
2266 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);
2267 u8 *buf;
2268 int ret;
2269
2270 buf = kmalloc(size, GFP_KERNEL);
2271 if (!buf)
2272 return -ENOMEM;
2273
2274 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);
2275 if (ret) {
2276 rtw_err(rtwdev, "Update probe request failed\n");
2277 goto out;
2278 }
2279
2280 list->buf_size = size;
2281 list->size = 0;
2282 list->ch_num = 0;
2283 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);
2284 out:
2285 kfree(buf);
2286
2287 return ret;
2288 }
2289
rtw_hw_scan_offload(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool enable)2290 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2291 bool enable)
2292 {
2293 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
2294 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2295 struct rtw_ch_switch_option cs_option = {0};
2296 struct rtw_chan_list chan_list = {0};
2297 int ret = 0;
2298
2299 if (!rtwvif)
2300 return -EINVAL;
2301
2302 cs_option.switch_en = enable;
2303 cs_option.back_op_en = scan_info->op_chan != 0;
2304 if (enable) {
2305 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
2306 if (ret)
2307 goto out;
2308 }
2309 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);
2310 out:
2311 if (rtwdev->ap_active) {
2312 ret = rtw_download_beacon(rtwdev);
2313 if (ret)
2314 rtw_err(rtwdev, "HW scan download beacon failed\n");
2315 }
2316
2317 return ret;
2318 }
2319
rtw_hw_scan_abort(struct rtw_dev * rtwdev)2320 void rtw_hw_scan_abort(struct rtw_dev *rtwdev)
2321 {
2322 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2323
2324 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
2325 return;
2326
2327 rtw_hw_scan_offload(rtwdev, vif, false);
2328 rtw_hw_scan_complete(rtwdev, vif, true);
2329 }
2330
rtw_hw_scan_status_report(struct rtw_dev * rtwdev,struct sk_buff * skb)2331 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)
2332 {
2333 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2334 struct rtw_c2h_cmd *c2h;
2335 bool aborted;
2336 u8 rc;
2337
2338 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2339 return;
2340
2341 c2h = get_c2h_from_skb(skb);
2342 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);
2343 aborted = rc != RTW_SCAN_REPORT_SUCCESS;
2344 rtw_hw_scan_complete(rtwdev, vif, aborted);
2345
2346 if (aborted)
2347 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);
2348 }
2349
rtw_store_op_chan(struct rtw_dev * rtwdev,bool backup)2350 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)
2351 {
2352 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2353 struct rtw_hal *hal = &rtwdev->hal;
2354 u8 band;
2355
2356 if (backup) {
2357 scan_info->op_chan = hal->current_channel;
2358 scan_info->op_bw = hal->current_band_width;
2359 scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
2360 scan_info->op_pri_ch = hal->primary_channel;
2361 } else {
2362 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2363 rtw_update_channel(rtwdev, scan_info->op_chan,
2364 scan_info->op_pri_ch,
2365 band, scan_info->op_bw);
2366 }
2367 }
2368
rtw_clear_op_chan(struct rtw_dev * rtwdev)2369 void rtw_clear_op_chan(struct rtw_dev *rtwdev)
2370 {
2371 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2372
2373 scan_info->op_chan = 0;
2374 scan_info->op_bw = 0;
2375 scan_info->op_pri_ch_idx = 0;
2376 scan_info->op_pri_ch = 0;
2377 }
2378
rtw_is_op_chan(struct rtw_dev * rtwdev,u8 channel)2379 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
2380 {
2381 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2382
2383 return channel == scan_info->op_chan;
2384 }
2385
rtw_hw_scan_chan_switch(struct rtw_dev * rtwdev,struct sk_buff * skb)2386 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)
2387 {
2388 struct rtw_hal *hal = &rtwdev->hal;
2389 struct rtw_c2h_cmd *c2h;
2390 enum rtw_scan_notify_id id;
2391 u8 chan, band, status;
2392
2393 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2394 return;
2395
2396 c2h = get_c2h_from_skb(skb);
2397 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);
2398 id = GET_CHAN_SWITCH_ID(c2h->payload);
2399 status = GET_CHAN_SWITCH_STATUS(c2h->payload);
2400
2401 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {
2402 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2403 rtw_update_channel(rtwdev, chan, chan, band,
2404 RTW_CHANNEL_WIDTH_20);
2405 if (rtw_is_op_chan(rtwdev, chan)) {
2406 rtw_store_op_chan(rtwdev, false);
2407 ieee80211_wake_queues(rtwdev->hw);
2408 rtw_core_enable_beacon(rtwdev, true);
2409 }
2410 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {
2411 if (IS_CH_5G_BAND(chan)) {
2412 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
2413 } else if (IS_CH_2G_BAND(chan)) {
2414 u8 chan_type;
2415
2416 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2417 chan_type = COEX_SWITCH_TO_24G;
2418 else
2419 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;
2420 rtw_coex_switchband_notify(rtwdev, chan_type);
2421 }
2422 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next
2423 * channel that hardware will switch. We need to stop queue
2424 * if next channel is non-op channel.
2425 */
2426 if (!rtw_is_op_chan(rtwdev, chan) &&
2427 rtw_is_op_chan(rtwdev, hal->current_channel)) {
2428 rtw_core_enable_beacon(rtwdev, false);
2429 ieee80211_stop_queues(rtwdev->hw);
2430 }
2431 }
2432
2433 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,
2434 "Chan switch: %x, id: %x, status: %x\n", chan, id, status);
2435 }
2436