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 u8 length;
143 };
144
rtw_fw_ra_report_iter(void * data,struct ieee80211_sta * sta)145 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)
146 {
147 struct rtw_fw_iter_ra_data *ra_data = data;
148 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)ra_data->payload;
149 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
150 u8 mac_id, rate, sgi, bw;
151 u8 mcs, nss;
152 u32 bit_rate;
153
154 mac_id = ra_rpt->mac_id;
155 if (si->mac_id != mac_id)
156 return;
157
158 si->ra_report.txrate.flags = 0;
159
160 rate = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_RATE);
161 sgi = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_SGI);
162 if (ra_data->length >= offsetofend(typeof(*ra_rpt), bw))
163 bw = ra_rpt->bw;
164 else
165 bw = si->bw_mode;
166
167 if (rate < DESC_RATEMCS0) {
168 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);
169 goto legacy;
170 }
171
172 rtw_desc_to_mcsrate(rate, &mcs, &nss);
173 if (rate >= DESC_RATEVHT1SS_MCS0)
174 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
175 else if (rate >= DESC_RATEMCS0)
176 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;
177
178 if (rate >= DESC_RATEMCS0) {
179 si->ra_report.txrate.mcs = mcs;
180 si->ra_report.txrate.nss = nss;
181 }
182
183 if (sgi)
184 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
185
186 if (bw == RTW_CHANNEL_WIDTH_80)
187 si->ra_report.txrate.bw = RATE_INFO_BW_80;
188 else if (bw == RTW_CHANNEL_WIDTH_40)
189 si->ra_report.txrate.bw = RATE_INFO_BW_40;
190 else
191 si->ra_report.txrate.bw = RATE_INFO_BW_20;
192
193 legacy:
194 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);
195
196 si->ra_report.desc_rate = rate;
197 si->ra_report.bit_rate = bit_rate;
198
199 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate);
200 }
201
rtw_fw_ra_report_handle(struct rtw_dev * rtwdev,u8 * payload,u8 length)202 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,
203 u8 length)
204 {
205 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)payload;
206 struct rtw_fw_iter_ra_data ra_data;
207
208 if (WARN(length < rtwdev->chip->c2h_ra_report_size,
209 "invalid ra report c2h length %d\n", length))
210 return;
211
212 rtwdev->dm_info.tx_rate = u8_get_bits(ra_rpt->rate_sgi,
213 RTW_C2H_RA_RPT_RATE);
214 ra_data.rtwdev = rtwdev;
215 ra_data.payload = payload;
216 ra_data.length = length;
217 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);
218 }
219
220 struct rtw_beacon_filter_iter_data {
221 struct rtw_dev *rtwdev;
222 u8 *payload;
223 };
224
rtw_fw_bcn_filter_notify_vif_iter(void * data,struct ieee80211_vif * vif)225 static void rtw_fw_bcn_filter_notify_vif_iter(void *data,
226 struct ieee80211_vif *vif)
227 {
228 struct rtw_beacon_filter_iter_data *iter_data = data;
229 struct rtw_dev *rtwdev = iter_data->rtwdev;
230 u8 *payload = iter_data->payload;
231 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload);
232 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload);
233 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload);
234
235 switch (type) {
236 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE:
237 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :
238 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
239 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL);
240 break;
241 case BCN_FILTER_CONNECTION_LOSS:
242 ieee80211_connection_loss(vif);
243 break;
244 case BCN_FILTER_CONNECTED:
245 rtwdev->beacon_loss = false;
246 break;
247 case BCN_FILTER_NOTIFY_BEACON_LOSS:
248 rtwdev->beacon_loss = true;
249 rtw_leave_lps(rtwdev);
250 break;
251 }
252 }
253
rtw_fw_bcn_filter_notify(struct rtw_dev * rtwdev,u8 * payload,u8 length)254 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload,
255 u8 length)
256 {
257 struct rtw_beacon_filter_iter_data dev_iter_data;
258
259 dev_iter_data.rtwdev = rtwdev;
260 dev_iter_data.payload = payload;
261 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter,
262 &dev_iter_data);
263 }
264
rtw_fw_scan_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)265 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload,
266 u8 length)
267 {
268 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
269
270 dm_info->scan_density = payload[0];
271
272 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n",
273 dm_info->scan_density);
274 }
275
rtw_fw_adaptivity_result(struct rtw_dev * rtwdev,u8 * payload,u8 length)276 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload,
277 u8 length)
278 {
279 const struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
280 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload;
281
282 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
283 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n",
284 result->density, result->igi, result->l2h_th_init, result->l2h,
285 result->h2l, result->option);
286
287 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n",
288 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
289 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask),
290 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
291 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask));
292
293 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n",
294 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ?
295 "Set" : "Unset");
296 }
297
rtw_fw_c2h_cmd_handle(struct rtw_dev * rtwdev,struct sk_buff * skb)298 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
299 {
300 struct rtw_c2h_cmd *c2h;
301 u32 pkt_offset;
302 u8 len;
303
304 pkt_offset = *((u32 *)skb->cb);
305 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
306 len = skb->len - pkt_offset - 2;
307
308 mutex_lock(&rtwdev->mutex);
309
310 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
311 goto unlock;
312
313 switch (c2h->id) {
314 case C2H_CCX_TX_RPT:
315 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
316 break;
317 case C2H_BT_INFO:
318 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
319 break;
320 case C2H_BT_HID_INFO:
321 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len);
322 break;
323 case C2H_WLAN_INFO:
324 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
325 break;
326 case C2H_BCN_FILTER_NOTIFY:
327 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len);
328 break;
329 case C2H_HALMAC:
330 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
331 break;
332 case C2H_RA_RPT:
333 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
334 break;
335 default:
336 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
337 break;
338 }
339
340 unlock:
341 mutex_unlock(&rtwdev->mutex);
342 }
343
rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev * rtwdev,u32 pkt_offset,struct sk_buff * skb)344 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
345 struct sk_buff *skb)
346 {
347 struct rtw_c2h_cmd *c2h;
348 u8 len;
349
350 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
351 len = skb->len - pkt_offset - 2;
352 *((u32 *)skb->cb) = pkt_offset;
353
354 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
355 c2h->id, c2h->seq, len);
356
357 switch (c2h->id) {
358 case C2H_BT_MP_INFO:
359 rtw_coex_info_response(rtwdev, skb);
360 break;
361 case C2H_WLAN_RFON:
362 complete(&rtwdev->lps_leave_check);
363 dev_kfree_skb_any(skb);
364 break;
365 case C2H_SCAN_RESULT:
366 complete(&rtwdev->fw_scan_density);
367 rtw_fw_scan_result(rtwdev, c2h->payload, len);
368 dev_kfree_skb_any(skb);
369 break;
370 case C2H_ADAPTIVITY:
371 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);
372 dev_kfree_skb_any(skb);
373 break;
374 default:
375 /* pass offset for further operation */
376 *((u32 *)skb->cb) = pkt_offset;
377 skb_queue_tail(&rtwdev->c2h_queue, skb);
378 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
379 break;
380 }
381 }
382 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
383
rtw_fw_c2h_cmd_isr(struct rtw_dev * rtwdev)384 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
385 {
386 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)
387 rtw_fw_recovery(rtwdev);
388 else
389 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");
390 }
391 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
392
rtw_fw_send_h2c_command_register(struct rtw_dev * rtwdev,struct rtw_h2c_register * h2c)393 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,
394 struct rtw_h2c_register *h2c)
395 {
396 u32 box_reg, box_ex_reg;
397 u8 box_state, box;
398 int ret;
399
400 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,
401 h2c->w1);
402
403 lockdep_assert_held(&rtwdev->mutex);
404
405 box = rtwdev->h2c.last_box_num;
406 switch (box) {
407 case 0:
408 box_reg = REG_HMEBOX0;
409 box_ex_reg = REG_HMEBOX0_EX;
410 break;
411 case 1:
412 box_reg = REG_HMEBOX1;
413 box_ex_reg = REG_HMEBOX1_EX;
414 break;
415 case 2:
416 box_reg = REG_HMEBOX2;
417 box_ex_reg = REG_HMEBOX2_EX;
418 break;
419 case 3:
420 box_reg = REG_HMEBOX3;
421 box_ex_reg = REG_HMEBOX3_EX;
422 break;
423 default:
424 WARN(1, "invalid h2c mail box number\n");
425 return;
426 }
427
428 ret = read_poll_timeout_atomic(rtw_read8, box_state,
429 !((box_state >> box) & 0x1), 100, 3000,
430 false, rtwdev, REG_HMETFR);
431
432 if (ret) {
433 rtw_err(rtwdev, "failed to send h2c command\n");
434 rtw_fw_dump_dbg_info(rtwdev);
435 return;
436 }
437
438 rtw_write32(rtwdev, box_ex_reg, h2c->w1);
439 rtw_write32(rtwdev, box_reg, h2c->w0);
440
441 if (++rtwdev->h2c.last_box_num >= 4)
442 rtwdev->h2c.last_box_num = 0;
443 }
444
rtw_fw_send_h2c_command(struct rtw_dev * rtwdev,u8 * h2c)445 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
446 u8 *h2c)
447 {
448 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;
449 u8 box;
450 u8 box_state;
451 u32 box_reg, box_ex_reg;
452 int ret;
453
454 rtw_dbg(rtwdev, RTW_DBG_FW,
455 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
456 h2c[3], h2c[2], h2c[1], h2c[0],
457 h2c[7], h2c[6], h2c[5], h2c[4]);
458
459 lockdep_assert_held(&rtwdev->mutex);
460
461 box = rtwdev->h2c.last_box_num;
462 switch (box) {
463 case 0:
464 box_reg = REG_HMEBOX0;
465 box_ex_reg = REG_HMEBOX0_EX;
466 break;
467 case 1:
468 box_reg = REG_HMEBOX1;
469 box_ex_reg = REG_HMEBOX1_EX;
470 break;
471 case 2:
472 box_reg = REG_HMEBOX2;
473 box_ex_reg = REG_HMEBOX2_EX;
474 break;
475 case 3:
476 box_reg = REG_HMEBOX3;
477 box_ex_reg = REG_HMEBOX3_EX;
478 break;
479 default:
480 WARN(1, "invalid h2c mail box number\n");
481 return;
482 }
483
484 ret = read_poll_timeout_atomic(rtw_read8, box_state,
485 !((box_state >> box) & 0x1), 100, 3000,
486 false, rtwdev, REG_HMETFR);
487
488 if (ret) {
489 rtw_err(rtwdev, "failed to send h2c command\n");
490 return;
491 }
492
493 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));
494 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));
495
496 if (++rtwdev->h2c.last_box_num >= 4)
497 rtwdev->h2c.last_box_num = 0;
498 }
499
rtw_fw_h2c_cmd_dbg(struct rtw_dev * rtwdev,u8 * h2c)500 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
501 {
502 rtw_fw_send_h2c_command(rtwdev, h2c);
503 }
504
rtw_fw_send_h2c_packet(struct rtw_dev * rtwdev,u8 * h2c_pkt)505 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
506 {
507 int ret;
508
509 lockdep_assert_held(&rtwdev->mutex);
510
511 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
512 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
513 if (ret)
514 rtw_err(rtwdev, "failed to send h2c packet\n");
515 rtwdev->h2c.seq++;
516 }
517
518 void
rtw_fw_send_general_info(struct rtw_dev * rtwdev)519 rtw_fw_send_general_info(struct rtw_dev *rtwdev)
520 {
521 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
522 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
523 u16 total_size = H2C_PKT_HDR_SIZE + 4;
524
525 if (rtw_chip_wcpu_11n(rtwdev))
526 return;
527
528 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
529
530 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
531
532 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
533 fifo->rsvd_fw_txbuf_addr -
534 fifo->rsvd_boundary);
535
536 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
537 }
538
539 void
rtw_fw_send_phydm_info(struct rtw_dev * rtwdev)540 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
541 {
542 struct rtw_hal *hal = &rtwdev->hal;
543 struct rtw_efuse *efuse = &rtwdev->efuse;
544 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
545 u16 total_size = H2C_PKT_HDR_SIZE + 8;
546 u8 fw_rf_type = 0;
547
548 if (rtw_chip_wcpu_11n(rtwdev))
549 return;
550
551 if (hal->rf_type == RF_1T1R)
552 fw_rf_type = FW_RF_1T1R;
553 else if (hal->rf_type == RF_2T2R)
554 fw_rf_type = FW_RF_2T2R;
555
556 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
557
558 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
559 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
560 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
561 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
562 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
563 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
564
565 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
566 }
567
rtw_fw_do_iqk(struct rtw_dev * rtwdev,struct rtw_iqk_para * para)568 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
569 {
570 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
571 u16 total_size = H2C_PKT_HDR_SIZE + 1;
572
573 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
574 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
575 IQK_SET_CLEAR(h2c_pkt, para->clear);
576 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
577
578 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
579 }
580 EXPORT_SYMBOL(rtw_fw_do_iqk);
581
rtw_fw_inform_rfk_status(struct rtw_dev * rtwdev,bool start)582 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)
583 {
584 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
585
586 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);
587
588 RFK_SET_INFORM_START(h2c_pkt, start);
589
590 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
591 }
592 EXPORT_SYMBOL(rtw_fw_inform_rfk_status);
593
rtw_fw_query_bt_info(struct rtw_dev * rtwdev)594 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
595 {
596 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
597
598 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
599
600 SET_QUERY_BT_INFO(h2c_pkt, true);
601
602 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
603 }
604
rtw_fw_default_port(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)605 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
606 {
607 struct rtw_h2c_register h2c = {};
608
609 if (rtwvif->net_type != RTW_NET_MGD_LINKED)
610 return;
611
612 /* Leave LPS before default port H2C so FW timer is correct */
613 rtw_leave_lps(rtwdev);
614
615 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) |
616 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) |
617 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID);
618
619 rtw_fw_send_h2c_command_register(rtwdev, &h2c);
620 }
621
rtw_fw_wl_ch_info(struct rtw_dev * rtwdev,u8 link,u8 ch,u8 bw)622 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
623 {
624 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
625
626 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
627
628 SET_WL_CH_INFO_LINK(h2c_pkt, link);
629 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
630 SET_WL_CH_INFO_BW(h2c_pkt, bw);
631
632 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
633 }
634
rtw_fw_query_bt_mp_info(struct rtw_dev * rtwdev,struct rtw_coex_info_req * req)635 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
636 struct rtw_coex_info_req *req)
637 {
638 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
639
640 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
641
642 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
643 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
644 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
645 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
646 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
647
648 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
649 }
650
rtw_fw_force_bt_tx_power(struct rtw_dev * rtwdev,u8 bt_pwr_dec_lvl)651 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
652 {
653 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
654 u8 index = 0 - bt_pwr_dec_lvl;
655
656 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
657
658 SET_BT_TX_POWER_INDEX(h2c_pkt, index);
659
660 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
661 }
662
rtw_fw_bt_ignore_wlan_action(struct rtw_dev * rtwdev,bool enable)663 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
664 {
665 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
666
667 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
668
669 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
670
671 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
672 }
673
rtw_fw_coex_tdma_type(struct rtw_dev * rtwdev,u8 para1,u8 para2,u8 para3,u8 para4,u8 para5)674 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
675 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
676 {
677 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
678
679 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
680
681 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
682 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
683 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
684 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
685 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
686
687 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
688 }
689
rtw_fw_coex_query_hid_info(struct rtw_dev * rtwdev,u8 sub_id,u8 data)690 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)
691 {
692 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
693
694 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);
695
696 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);
697 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);
698
699 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
700 }
701
rtw_fw_bt_wifi_control(struct rtw_dev * rtwdev,u8 op_code,u8 * data)702 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
703 {
704 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
705
706 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
707
708 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
709
710 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
711 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
712 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
713 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
714 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
715
716 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
717 }
718
rtw_fw_send_rssi_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si)719 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
720 {
721 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
722 u8 rssi = ewma_rssi_read(&si->avg_rssi);
723 bool stbc_en = si->stbc_en ? true : false;
724
725 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
726
727 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
728 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
729 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
730
731 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
732 }
733
rtw_fw_send_ra_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si,bool reset_ra_mask)734 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,
735 bool reset_ra_mask)
736 {
737 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
738 bool disable_pt = true;
739
740 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
741
742 SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
743 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
744 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
745 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
746 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
747 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en);
748 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask);
749 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
750 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
751 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
752 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
753 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
754 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
755
756 si->init_ra_lv = 0;
757
758 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
759 }
760
rtw_fw_media_status_report(struct rtw_dev * rtwdev,u8 mac_id,bool connect)761 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
762 {
763 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
764
765 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
766 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
767 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
768
769 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
770 }
771
rtw_fw_update_wl_phy_info(struct rtw_dev * rtwdev)772 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)
773 {
774 struct rtw_traffic_stats *stats = &rtwdev->stats;
775 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
776 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
777
778 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);
779 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);
780 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);
781 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);
782 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);
783 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);
784 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
785 }
786
rtw_fw_beacon_filter_config(struct rtw_dev * rtwdev,bool connect,struct ieee80211_vif * vif)787 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,
788 struct ieee80211_vif *vif)
789 {
790 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
791 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
792 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;
793 struct rtw_sta_info *si =
794 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;
795 s32 thold = RTW_DEFAULT_CQM_THOLD;
796 u32 hyst = RTW_DEFAULT_CQM_HYST;
797 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
798
799 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
800 return;
801
802 if (bss_conf->cqm_rssi_thold)
803 thold = bss_conf->cqm_rssi_thold;
804 if (bss_conf->cqm_rssi_hyst)
805 hyst = bss_conf->cqm_rssi_hyst;
806
807 if (!connect) {
808 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
809 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
810 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
811
812 return;
813 }
814
815 if (!si)
816 return;
817
818 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);
819 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);
820 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
821
822 memset(h2c_pkt, 0, sizeof(h2c_pkt));
823 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max);
824 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
825 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
826 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,
827 BCN_FILTER_OFFLOAD_MODE_DEFAULT);
828 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold);
829 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);
830 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);
831 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst);
832 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);
833 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
834 }
835
rtw_fw_set_pwr_mode(struct rtw_dev * rtwdev)836 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
837 {
838 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
839 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
840
841 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
842
843 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
844 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
845 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
846 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
847 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
848 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
849
850 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
851 }
852
rtw_fw_set_keep_alive_cmd(struct rtw_dev * rtwdev,bool enable)853 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
854 {
855 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
856 struct rtw_fw_wow_keep_alive_para mode = {
857 .adopt = true,
858 .pkt_type = KEEP_ALIVE_NULL_PKT,
859 .period = 5,
860 };
861
862 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
863 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
864 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
865 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
866 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
867
868 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
869 }
870
rtw_fw_set_disconnect_decision_cmd(struct rtw_dev * rtwdev,bool enable)871 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
872 {
873 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
874 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
875 struct rtw_fw_wow_disconnect_para mode = {
876 .adopt = true,
877 .period = 30,
878 .retry_count = 5,
879 };
880
881 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
882
883 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
884 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
885 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
886 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
887 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
888 }
889
890 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
891 }
892
rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)893 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
894 {
895 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
896 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
897
898 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
899
900 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
901 if (rtw_wow_mgd_linked(rtwdev)) {
902 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
903 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
904 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
905 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
906 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
907 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
908 if (rtw_wow->pattern_cnt)
909 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
910 }
911
912 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
913 }
914
rtw_fw_set_aoac_global_info_cmd(struct rtw_dev * rtwdev,u8 pairwise_key_enc,u8 group_key_enc)915 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
916 u8 pairwise_key_enc,
917 u8 group_key_enc)
918 {
919 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
920
921 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
922
923 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
924 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
925
926 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
927 }
928
rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)929 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
930 {
931 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
932
933 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
934
935 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
936
937 if (rtw_wow_no_link(rtwdev))
938 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
939
940 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
941 }
942
rtw_get_rsvd_page_location(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type)943 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
944 enum rtw_rsvd_packet_type type)
945 {
946 struct rtw_rsvd_page *rsvd_pkt;
947 u8 location = 0;
948
949 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
950 if (type == rsvd_pkt->type)
951 location = rsvd_pkt->page;
952 }
953
954 return location;
955 }
956
rtw_fw_set_nlo_info(struct rtw_dev * rtwdev,bool enable)957 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
958 {
959 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
960 u8 loc_nlo;
961
962 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
963
964 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
965
966 SET_NLO_FUN_EN(h2c_pkt, enable);
967 if (enable) {
968 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)
969 SET_NLO_PS_32K(h2c_pkt, enable);
970 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
971 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
972 }
973
974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
975 }
976
rtw_fw_set_recover_bt_device(struct rtw_dev * rtwdev)977 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
978 {
979 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
980
981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
982 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
983
984 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
985 }
986
rtw_fw_set_pg_info(struct rtw_dev * rtwdev)987 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
988 {
989 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
990 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
991 u8 loc_pg, loc_dpk;
992
993 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
994 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
995
996 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
997
998 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
999 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
1000 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
1001 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
1002
1003 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1004 }
1005
rtw_get_rsvd_page_probe_req_location(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1006 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
1007 struct cfg80211_ssid *ssid)
1008 {
1009 struct rtw_rsvd_page *rsvd_pkt;
1010 u8 location = 0;
1011
1012 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1013 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1014 continue;
1015 if ((!ssid && !rsvd_pkt->ssid) ||
1016 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1017 location = rsvd_pkt->page;
1018 }
1019
1020 return location;
1021 }
1022
rtw_get_rsvd_page_probe_req_size(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1023 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
1024 struct cfg80211_ssid *ssid)
1025 {
1026 struct rtw_rsvd_page *rsvd_pkt;
1027 u16 size = 0;
1028
1029 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1030 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1031 continue;
1032 if ((!ssid && !rsvd_pkt->ssid) ||
1033 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1034 size = rsvd_pkt->probe_req_size;
1035 }
1036
1037 return size;
1038 }
1039
rtw_send_rsvd_page_h2c(struct rtw_dev * rtwdev)1040 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
1041 {
1042 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1043 u8 location = 0;
1044
1045 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
1046
1047 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
1048 *(h2c_pkt + 1) = location;
1049 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
1050
1051 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
1052 *(h2c_pkt + 2) = location;
1053 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
1054
1055 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
1056 *(h2c_pkt + 3) = location;
1057 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
1058
1059 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
1060 *(h2c_pkt + 4) = location;
1061 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
1062
1063 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1064 }
1065
rtw_nlo_info_get(struct ieee80211_hw * hw)1066 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
1067 {
1068 struct rtw_dev *rtwdev = hw->priv;
1069 const struct rtw_chip_info *chip = rtwdev->chip;
1070 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1071 struct rtw_nlo_info_hdr *nlo_hdr;
1072 struct cfg80211_ssid *ssid;
1073 struct sk_buff *skb;
1074 u8 *pos, loc;
1075 u32 size;
1076 int i;
1077
1078 if (!pno_req->inited || !pno_req->match_set_cnt)
1079 return NULL;
1080
1081 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
1082 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
1083
1084 skb = alloc_skb(size, GFP_KERNEL);
1085 if (!skb)
1086 return NULL;
1087
1088 skb_reserve(skb, chip->tx_pkt_desc_sz);
1089
1090 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
1091
1092 nlo_hdr->nlo_count = pno_req->match_set_cnt;
1093 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
1094
1095 /* pattern check for firmware */
1096 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
1097
1098 for (i = 0; i < pno_req->match_set_cnt; i++)
1099 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
1100
1101 for (i = 0; i < pno_req->match_set_cnt; i++) {
1102 ssid = &pno_req->match_sets[i].ssid;
1103 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1104 if (!loc) {
1105 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
1106 kfree_skb(skb);
1107 return NULL;
1108 }
1109 nlo_hdr->location[i] = loc;
1110 }
1111
1112 for (i = 0; i < pno_req->match_set_cnt; i++) {
1113 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
1114 memcpy(pos, pno_req->match_sets[i].ssid.ssid,
1115 pno_req->match_sets[i].ssid.ssid_len);
1116 }
1117
1118 return skb;
1119 }
1120
rtw_cs_channel_info_get(struct ieee80211_hw * hw)1121 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
1122 {
1123 struct rtw_dev *rtwdev = hw->priv;
1124 const struct rtw_chip_info *chip = rtwdev->chip;
1125 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1126 struct ieee80211_channel *channels = pno_req->channels;
1127 struct sk_buff *skb;
1128 int count = pno_req->channel_cnt;
1129 u8 *pos;
1130 int i = 0;
1131
1132 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
1133 if (!skb)
1134 return NULL;
1135
1136 skb_reserve(skb, chip->tx_pkt_desc_sz);
1137
1138 for (i = 0; i < count; i++) {
1139 pos = skb_put_zero(skb, 4);
1140
1141 CHSW_INFO_SET_CH(pos, channels[i].hw_value);
1142
1143 if (channels[i].flags & IEEE80211_CHAN_RADAR)
1144 CHSW_INFO_SET_ACTION_ID(pos, 0);
1145 else
1146 CHSW_INFO_SET_ACTION_ID(pos, 1);
1147 CHSW_INFO_SET_TIMEOUT(pos, 1);
1148 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
1149 CHSW_INFO_SET_BW(pos, 0);
1150 }
1151
1152 return skb;
1153 }
1154
rtw_lps_pg_dpk_get(struct ieee80211_hw * hw)1155 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
1156 {
1157 struct rtw_dev *rtwdev = hw->priv;
1158 const struct rtw_chip_info *chip = rtwdev->chip;
1159 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
1160 struct rtw_lps_pg_dpk_hdr *dpk_hdr;
1161 struct sk_buff *skb;
1162 u32 size;
1163
1164 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
1165 skb = alloc_skb(size, GFP_KERNEL);
1166 if (!skb)
1167 return NULL;
1168
1169 skb_reserve(skb, chip->tx_pkt_desc_sz);
1170 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
1171 dpk_hdr->dpk_ch = dpk_info->dpk_ch;
1172 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
1173 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
1174 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
1175 memcpy(dpk_hdr->coef, dpk_info->coef, 160);
1176
1177 return skb;
1178 }
1179
rtw_lps_pg_info_get(struct ieee80211_hw * hw)1180 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
1181 {
1182 struct rtw_dev *rtwdev = hw->priv;
1183 const struct rtw_chip_info *chip = rtwdev->chip;
1184 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
1185 struct rtw_lps_pg_info_hdr *pg_info_hdr;
1186 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1187 struct sk_buff *skb;
1188 u32 size;
1189
1190 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
1191 skb = alloc_skb(size, GFP_KERNEL);
1192 if (!skb)
1193 return NULL;
1194
1195 skb_reserve(skb, chip->tx_pkt_desc_sz);
1196 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
1197 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
1198 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
1199 pg_info_hdr->sec_cam_count =
1200 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
1201 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
1202
1203 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
1204 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
1205
1206 return skb;
1207 }
1208
rtw_get_rsvd_page_skb(struct ieee80211_hw * hw,struct rtw_rsvd_page * rsvd_pkt)1209 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
1210 struct rtw_rsvd_page *rsvd_pkt)
1211 {
1212 struct ieee80211_vif *vif;
1213 struct rtw_vif *rtwvif;
1214 struct sk_buff *skb_new;
1215 struct cfg80211_ssid *ssid;
1216 u16 tim_offset = 0;
1217
1218 if (rsvd_pkt->type == RSVD_DUMMY) {
1219 skb_new = alloc_skb(1, GFP_KERNEL);
1220 if (!skb_new)
1221 return NULL;
1222
1223 skb_put(skb_new, 1);
1224 return skb_new;
1225 }
1226
1227 rtwvif = rsvd_pkt->rtwvif;
1228 if (!rtwvif)
1229 return NULL;
1230
1231 vif = rtwvif_to_vif(rtwvif);
1232
1233 switch (rsvd_pkt->type) {
1234 case RSVD_BEACON:
1235 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);
1236 rsvd_pkt->tim_offset = tim_offset;
1237 break;
1238 case RSVD_PS_POLL:
1239 skb_new = ieee80211_pspoll_get(hw, vif);
1240 break;
1241 case RSVD_PROBE_RESP:
1242 skb_new = ieee80211_proberesp_get(hw, vif);
1243 break;
1244 case RSVD_NULL:
1245 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);
1246 break;
1247 case RSVD_QOS_NULL:
1248 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);
1249 break;
1250 case RSVD_LPS_PG_DPK:
1251 skb_new = rtw_lps_pg_dpk_get(hw);
1252 break;
1253 case RSVD_LPS_PG_INFO:
1254 skb_new = rtw_lps_pg_info_get(hw);
1255 break;
1256 case RSVD_PROBE_REQ:
1257 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
1258 if (ssid)
1259 skb_new = ieee80211_probereq_get(hw, vif->addr,
1260 ssid->ssid,
1261 ssid->ssid_len, 0);
1262 else
1263 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
1264 if (skb_new)
1265 rsvd_pkt->probe_req_size = (u16)skb_new->len;
1266 break;
1267 case RSVD_NLO_INFO:
1268 skb_new = rtw_nlo_info_get(hw);
1269 break;
1270 case RSVD_CH_INFO:
1271 skb_new = rtw_cs_channel_info_get(hw);
1272 break;
1273 default:
1274 return NULL;
1275 }
1276
1277 if (!skb_new)
1278 return NULL;
1279
1280 return skb_new;
1281 }
1282
rtw_fill_rsvd_page_desc(struct rtw_dev * rtwdev,struct sk_buff * skb,enum rtw_rsvd_packet_type type)1283 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
1284 enum rtw_rsvd_packet_type type)
1285 {
1286 struct rtw_tx_pkt_info pkt_info = {0};
1287 const struct rtw_chip_info *chip = rtwdev->chip;
1288 u8 *pkt_desc;
1289
1290 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);
1291 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
1292 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
1293 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb);
1294 }
1295
rtw_len_to_page(unsigned int len,u16 page_size)1296 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size)
1297 {
1298 return DIV_ROUND_UP(len, page_size);
1299 }
1300
rtw_rsvd_page_list_to_buf(struct rtw_dev * rtwdev,u16 page_size,u16 page_margin,u32 page,u8 * buf,struct rtw_rsvd_page * rsvd_pkt)1301 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size,
1302 u16 page_margin, u32 page, u8 *buf,
1303 struct rtw_rsvd_page *rsvd_pkt)
1304 {
1305 struct sk_buff *skb = rsvd_pkt->skb;
1306
1307 if (page >= 1)
1308 memcpy(buf + page_margin + page_size * (page - 1),
1309 skb->data, skb->len);
1310 else
1311 memcpy(buf, skb->data, skb->len);
1312 }
1313
rtw_alloc_rsvd_page(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type,bool txdesc)1314 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
1315 enum rtw_rsvd_packet_type type,
1316 bool txdesc)
1317 {
1318 struct rtw_rsvd_page *rsvd_pkt = NULL;
1319
1320 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
1321
1322 if (!rsvd_pkt)
1323 return NULL;
1324
1325 INIT_LIST_HEAD(&rsvd_pkt->vif_list);
1326 INIT_LIST_HEAD(&rsvd_pkt->build_list);
1327 rsvd_pkt->type = type;
1328 rsvd_pkt->add_txdesc = txdesc;
1329
1330 return rsvd_pkt;
1331 }
1332
rtw_insert_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_rsvd_page * rsvd_pkt)1333 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
1334 struct rtw_vif *rtwvif,
1335 struct rtw_rsvd_page *rsvd_pkt)
1336 {
1337 lockdep_assert_held(&rtwdev->mutex);
1338
1339 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
1340 }
1341
rtw_add_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,enum rtw_rsvd_packet_type type,bool txdesc)1342 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
1343 struct rtw_vif *rtwvif,
1344 enum rtw_rsvd_packet_type type,
1345 bool txdesc)
1346 {
1347 struct rtw_rsvd_page *rsvd_pkt;
1348
1349 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
1350 if (!rsvd_pkt) {
1351 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
1352 return;
1353 }
1354
1355 rsvd_pkt->rtwvif = rtwvif;
1356 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1357 }
1358
rtw_add_rsvd_page_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct cfg80211_ssid * ssid)1359 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
1360 struct rtw_vif *rtwvif,
1361 struct cfg80211_ssid *ssid)
1362 {
1363 struct rtw_rsvd_page *rsvd_pkt;
1364
1365 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
1366 if (!rsvd_pkt) {
1367 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
1368 return;
1369 }
1370
1371 rsvd_pkt->rtwvif = rtwvif;
1372 rsvd_pkt->ssid = ssid;
1373 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1374 }
1375
rtw_remove_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1376 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
1377 struct rtw_vif *rtwvif)
1378 {
1379 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1380
1381 lockdep_assert_held(&rtwdev->mutex);
1382
1383 /* remove all of the rsvd pages for vif */
1384 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
1385 vif_list) {
1386 list_del(&rsvd_pkt->vif_list);
1387 if (!list_empty(&rsvd_pkt->build_list))
1388 list_del(&rsvd_pkt->build_list);
1389 kfree(rsvd_pkt);
1390 }
1391 }
1392
rtw_add_rsvd_page_bcn(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1393 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
1394 struct rtw_vif *rtwvif)
1395 {
1396 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1397
1398 if (vif->type != NL80211_IFTYPE_AP &&
1399 vif->type != NL80211_IFTYPE_ADHOC &&
1400 vif->type != NL80211_IFTYPE_MESH_POINT) {
1401 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
1402 vif->type);
1403 return;
1404 }
1405
1406 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
1407 }
1408
rtw_add_rsvd_page_pno(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1409 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
1410 struct rtw_vif *rtwvif)
1411 {
1412 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1413 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1414 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
1415 struct cfg80211_ssid *ssid;
1416 int i;
1417
1418 if (vif->type != NL80211_IFTYPE_STATION) {
1419 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
1420 vif->type);
1421 return;
1422 }
1423
1424 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
1425 ssid = &rtw_pno_req->match_sets[i].ssid;
1426 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
1427 }
1428
1429 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
1430 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
1431 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
1432 }
1433
rtw_add_rsvd_page_sta(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1434 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
1435 struct rtw_vif *rtwvif)
1436 {
1437 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1438
1439 if (vif->type != NL80211_IFTYPE_STATION) {
1440 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
1441 vif->type);
1442 return;
1443 }
1444
1445 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
1446 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
1447 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
1448 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
1449 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
1450 }
1451
rtw_fw_write_data_rsvd_page(struct rtw_dev * rtwdev,u16 pg_addr,u8 * buf,u32 size)1452 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
1453 u8 *buf, u32 size)
1454 {
1455 u8 bckp[2];
1456 u8 val;
1457 u16 rsvd_pg_head;
1458 u32 bcn_valid_addr;
1459 u32 bcn_valid_mask;
1460 int ret;
1461
1462 lockdep_assert_held(&rtwdev->mutex);
1463
1464 if (!size)
1465 return -EINVAL;
1466
1467 if (rtw_chip_wcpu_11n(rtwdev)) {
1468 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
1469 } else {
1470 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
1471 pg_addr |= BIT_BCN_VALID_V1;
1472 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
1473 }
1474
1475 val = rtw_read8(rtwdev, REG_CR + 1);
1476 bckp[0] = val;
1477 val |= BIT_ENSWBCN >> 8;
1478 rtw_write8(rtwdev, REG_CR + 1, val);
1479
1480 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {
1481 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
1482 bckp[1] = val;
1483 val &= ~(BIT_EN_BCNQ_DL >> 16);
1484 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
1485 }
1486
1487 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
1488 if (ret) {
1489 rtw_err(rtwdev, "failed to write data to rsvd page\n");
1490 goto restore;
1491 }
1492
1493 if (rtw_chip_wcpu_11n(rtwdev)) {
1494 bcn_valid_addr = REG_DWBCN0_CTRL;
1495 bcn_valid_mask = BIT_BCN_VALID;
1496 } else {
1497 bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
1498 bcn_valid_mask = BIT_BCN_VALID_V1;
1499 }
1500
1501 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
1502 rtw_err(rtwdev, "error beacon valid\n");
1503 ret = -EBUSY;
1504 }
1505
1506 restore:
1507 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
1508 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
1509 rsvd_pg_head | BIT_BCN_VALID_V1);
1510 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
1511 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
1512 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
1513
1514 return ret;
1515 }
1516
rtw_download_drv_rsvd_page(struct rtw_dev * rtwdev,u8 * buf,u32 size)1517 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
1518 {
1519 u32 pg_size;
1520 u32 pg_num = 0;
1521 u16 pg_addr = 0;
1522
1523 pg_size = rtwdev->chip->page_size;
1524 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
1525 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
1526 return -ENOMEM;
1527
1528 pg_addr = rtwdev->fifo.rsvd_drv_addr;
1529
1530 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
1531 }
1532
__rtw_build_rsvd_page_reset(struct rtw_dev * rtwdev)1533 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
1534 {
1535 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1536
1537 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
1538 build_list) {
1539 list_del_init(&rsvd_pkt->build_list);
1540
1541 /* Don't free except for the dummy rsvd page,
1542 * others will be freed when removing vif
1543 */
1544 if (rsvd_pkt->type == RSVD_DUMMY)
1545 kfree(rsvd_pkt);
1546 }
1547 }
1548
rtw_build_rsvd_page_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1549 static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
1550 struct ieee80211_vif *vif)
1551 {
1552 struct rtw_dev *rtwdev = data;
1553 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
1554 struct rtw_rsvd_page *rsvd_pkt;
1555
1556 /* AP not yet started, don't gather its rsvd pages */
1557 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)
1558 return;
1559
1560 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
1561 if (rsvd_pkt->type == RSVD_BEACON)
1562 list_add(&rsvd_pkt->build_list,
1563 &rtwdev->rsvd_page_list);
1564 else
1565 list_add_tail(&rsvd_pkt->build_list,
1566 &rtwdev->rsvd_page_list);
1567 }
1568 }
1569
__rtw_build_rsvd_page_from_vifs(struct rtw_dev * rtwdev)1570 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
1571 {
1572 struct rtw_rsvd_page *rsvd_pkt;
1573
1574 __rtw_build_rsvd_page_reset(rtwdev);
1575
1576 /* gather rsvd page from vifs */
1577 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
1578
1579 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1580 struct rtw_rsvd_page, build_list);
1581 if (!rsvd_pkt) {
1582 WARN(1, "Should not have an empty reserved page\n");
1583 return -EINVAL;
1584 }
1585
1586 /* the first rsvd should be beacon, otherwise add a dummy one */
1587 if (rsvd_pkt->type != RSVD_BEACON) {
1588 struct rtw_rsvd_page *dummy_pkt;
1589
1590 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
1591 if (!dummy_pkt) {
1592 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
1593 return -ENOMEM;
1594 }
1595
1596 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
1597 }
1598
1599 return 0;
1600 }
1601
rtw_build_rsvd_page(struct rtw_dev * rtwdev,u32 * size)1602 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
1603 {
1604 const struct rtw_chip_info *chip = rtwdev->chip;
1605 struct ieee80211_hw *hw = rtwdev->hw;
1606 struct rtw_rsvd_page *rsvd_pkt;
1607 struct sk_buff *iter;
1608 u16 page_size, page_margin, tx_desc_sz;
1609 u8 total_page = 0;
1610 u32 page = 0;
1611 u8 *buf;
1612 int ret;
1613
1614 page_size = chip->page_size;
1615 tx_desc_sz = chip->tx_pkt_desc_sz;
1616 page_margin = page_size - tx_desc_sz;
1617
1618 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
1619 if (ret) {
1620 rtw_err(rtwdev,
1621 "failed to build rsvd page from vifs, ret %d\n", ret);
1622 return NULL;
1623 }
1624
1625 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1626 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1627 if (!iter) {
1628 rtw_err(rtwdev, "failed to build rsvd packet\n");
1629 goto release_skb;
1630 }
1631
1632 /* Fill the tx_desc for the rsvd pkt that requires one.
1633 * And iter->len will be added with size of tx_desc_sz.
1634 */
1635 if (rsvd_pkt->add_txdesc)
1636 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);
1637
1638 rsvd_pkt->skb = iter;
1639 rsvd_pkt->page = total_page;
1640
1641 /* Reserved page is downloaded via TX path, and TX path will
1642 * generate a tx_desc at the header to describe length of
1643 * the buffer. If we are not counting page numbers with the
1644 * size of tx_desc added at the first rsvd_pkt (usually a
1645 * beacon, firmware default refer to the first page as the
1646 * content of beacon), we could generate a buffer which size
1647 * is smaller than the actual size of the whole rsvd_page
1648 */
1649 if (total_page == 0) {
1650 if (rsvd_pkt->type != RSVD_BEACON &&
1651 rsvd_pkt->type != RSVD_DUMMY) {
1652 rtw_err(rtwdev, "first page should be a beacon\n");
1653 goto release_skb;
1654 }
1655 total_page += rtw_len_to_page(iter->len + tx_desc_sz,
1656 page_size);
1657 } else {
1658 total_page += rtw_len_to_page(iter->len, page_size);
1659 }
1660 }
1661
1662 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
1663 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
1664 goto release_skb;
1665 }
1666
1667 *size = (total_page - 1) * page_size + page_margin;
1668 buf = kzalloc(*size, GFP_KERNEL);
1669 if (!buf)
1670 goto release_skb;
1671
1672 /* Copy the content of each rsvd_pkt to the buf, and they should
1673 * be aligned to the pages.
1674 *
1675 * Note that the first rsvd_pkt is a beacon no matter what vif->type.
1676 * And that rsvd_pkt does not require tx_desc because when it goes
1677 * through TX path, the TX path will generate one for it.
1678 */
1679 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1680 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
1681 page, buf, rsvd_pkt);
1682 if (page == 0)
1683 page += rtw_len_to_page(rsvd_pkt->skb->len +
1684 tx_desc_sz, page_size);
1685 else
1686 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
1687
1688 kfree_skb(rsvd_pkt->skb);
1689 rsvd_pkt->skb = NULL;
1690 }
1691
1692 return buf;
1693
1694 release_skb:
1695 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1696 kfree_skb(rsvd_pkt->skb);
1697 rsvd_pkt->skb = NULL;
1698 }
1699
1700 return NULL;
1701 }
1702
rtw_download_beacon(struct rtw_dev * rtwdev)1703 static int rtw_download_beacon(struct rtw_dev *rtwdev)
1704 {
1705 struct ieee80211_hw *hw = rtwdev->hw;
1706 struct rtw_rsvd_page *rsvd_pkt;
1707 struct sk_buff *skb;
1708 int ret = 0;
1709
1710 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1711 struct rtw_rsvd_page, build_list);
1712 if (!rsvd_pkt) {
1713 rtw_err(rtwdev, "failed to get rsvd page from build list\n");
1714 return -ENOENT;
1715 }
1716
1717 if (rsvd_pkt->type != RSVD_BEACON &&
1718 rsvd_pkt->type != RSVD_DUMMY) {
1719 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
1720 rsvd_pkt->type);
1721 return -EINVAL;
1722 }
1723
1724 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1725 if (!skb) {
1726 rtw_err(rtwdev, "failed to get beacon skb\n");
1727 return -ENOMEM;
1728 }
1729
1730 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
1731 if (ret)
1732 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1733
1734 dev_kfree_skb(skb);
1735
1736 return ret;
1737 }
1738
rtw_fw_download_rsvd_page(struct rtw_dev * rtwdev)1739 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
1740 {
1741 u8 *buf;
1742 u32 size;
1743 int ret;
1744
1745 buf = rtw_build_rsvd_page(rtwdev, &size);
1746 if (!buf) {
1747 rtw_err(rtwdev, "failed to build rsvd page pkt\n");
1748 return -ENOMEM;
1749 }
1750
1751 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
1752 if (ret) {
1753 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1754 goto free;
1755 }
1756
1757 /* The last thing is to download the *ONLY* beacon again, because
1758 * the previous tx_desc is to describe the total rsvd page. Download
1759 * the beacon again to replace the TX desc header, and we will get
1760 * a correct tx_desc for the beacon in the rsvd page.
1761 */
1762 ret = rtw_download_beacon(rtwdev);
1763 if (ret) {
1764 rtw_err(rtwdev, "failed to download beacon\n");
1765 goto free;
1766 }
1767
1768 free:
1769 kfree(buf);
1770
1771 return ret;
1772 }
1773
rtw_fw_update_beacon_work(struct work_struct * work)1774 void rtw_fw_update_beacon_work(struct work_struct *work)
1775 {
1776 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
1777 update_beacon_work);
1778
1779 mutex_lock(&rtwdev->mutex);
1780 rtw_fw_download_rsvd_page(rtwdev);
1781 rtw_send_rsvd_page_h2c(rtwdev);
1782 mutex_unlock(&rtwdev->mutex);
1783 }
1784
rtw_fw_read_fifo_page(struct rtw_dev * rtwdev,u32 offset,u32 size,u32 * buf,u32 residue,u16 start_pg)1785 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,
1786 u32 *buf, u32 residue, u16 start_pg)
1787 {
1788 u32 i;
1789 u16 idx = 0;
1790 u16 ctl;
1791
1792 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
1793 /* disable rx clock gate */
1794 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);
1795
1796 do {
1797 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
1798
1799 for (i = FIFO_DUMP_ADDR + residue;
1800 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
1801 buf[idx++] = rtw_read32(rtwdev, i);
1802 size -= 4;
1803 if (size == 0)
1804 goto out;
1805 }
1806
1807 residue = 0;
1808 start_pg++;
1809 } while (size);
1810
1811 out:
1812 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
1813 /* restore rx clock gate */
1814 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);
1815 }
1816
rtw_fw_read_fifo(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 offset,u32 size,u32 * buf)1817 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,
1818 u32 offset, u32 size, u32 *buf)
1819 {
1820 const struct rtw_chip_info *chip = rtwdev->chip;
1821 u32 start_pg, residue;
1822
1823 if (sel >= RTW_FW_FIFO_MAX) {
1824 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");
1825 return;
1826 }
1827 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)
1828 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;
1829 residue = offset & (FIFO_PAGE_SIZE - 1);
1830 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];
1831
1832 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);
1833 }
1834
rtw_fw_dump_check_size(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 start_addr,u32 size)1835 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
1836 enum rtw_fw_fifo_sel sel,
1837 u32 start_addr, u32 size)
1838 {
1839 switch (sel) {
1840 case RTW_FW_FIFO_SEL_TX:
1841 case RTW_FW_FIFO_SEL_RX:
1842 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])
1843 return false;
1844 fallthrough;
1845 default:
1846 return true;
1847 }
1848 }
1849
rtw_fw_dump_fifo(struct rtw_dev * rtwdev,u8 fifo_sel,u32 addr,u32 size,u32 * buffer)1850 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
1851 u32 *buffer)
1852 {
1853 if (!rtwdev->chip->fw_fifo_addr[0]) {
1854 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
1855 return -ENOTSUPP;
1856 }
1857
1858 if (size == 0 || !buffer)
1859 return -EINVAL;
1860
1861 if (size & 0x3) {
1862 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");
1863 return -EINVAL;
1864 }
1865
1866 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {
1867 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");
1868 return -EINVAL;
1869 }
1870
1871 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);
1872
1873 return 0;
1874 }
1875
__rtw_fw_update_pkt(struct rtw_dev * rtwdev,u8 pkt_id,u16 size,u8 location)1876 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
1877 u8 location)
1878 {
1879 const struct rtw_chip_info *chip = rtwdev->chip;
1880 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1881 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
1882
1883 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
1884
1885 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1886 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
1887 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
1888
1889 /* include txdesc size */
1890 size += chip->tx_pkt_desc_sz;
1891 UPDATE_PKT_SET_SIZE(h2c_pkt, size);
1892
1893 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1894 }
1895
rtw_fw_update_pkt_probe_req(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1896 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
1897 struct cfg80211_ssid *ssid)
1898 {
1899 u8 loc;
1900 u16 size;
1901
1902 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1903 if (!loc) {
1904 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
1905 return;
1906 }
1907
1908 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
1909 if (!size) {
1910 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
1911 return;
1912 }
1913
1914 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
1915 }
1916
rtw_fw_channel_switch(struct rtw_dev * rtwdev,bool enable)1917 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
1918 {
1919 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
1920 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1921 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
1922 u8 loc_ch_info;
1923 const struct rtw_ch_switch_option cs_option = {
1924 .dest_ch_en = 1,
1925 .dest_ch = 1,
1926 .periodic_option = 2,
1927 .normal_period = 5,
1928 .normal_period_sel = 0,
1929 .normal_cycle = 10,
1930 .slow_period = 1,
1931 .slow_period_sel = 1,
1932 };
1933
1934 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
1935 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1936
1937 CH_SWITCH_SET_START(h2c_pkt, enable);
1938 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
1939 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
1940 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
1941 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
1942 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
1943 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
1944 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
1945 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
1946
1947 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
1948 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
1949
1950 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
1951 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
1952
1953 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1954 }
1955
rtw_fw_adaptivity(struct rtw_dev * rtwdev)1956 void rtw_fw_adaptivity(struct rtw_dev *rtwdev)
1957 {
1958 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
1959 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1960
1961 if (!rtw_edcca_enabled) {
1962 dm_info->edcca_mode = RTW_EDCCA_NORMAL;
1963 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
1964 "EDCCA disabled by debugfs\n");
1965 }
1966
1967 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);
1968 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);
1969 SET_ADAPTIVITY_OPTION(h2c_pkt, 1);
1970 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);
1971 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);
1972 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);
1973
1974 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1975 }
1976
rtw_fw_scan_notify(struct rtw_dev * rtwdev,bool start)1977 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)
1978 {
1979 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1980
1981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);
1982 SET_SCAN_START(h2c_pkt, start);
1983
1984 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1985 }
1986
rtw_append_probe_req_ie(struct rtw_dev * rtwdev,struct sk_buff * skb,struct sk_buff_head * list,u8 * bands,struct rtw_vif * rtwvif)1987 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,
1988 struct sk_buff_head *list, u8 *bands,
1989 struct rtw_vif *rtwvif)
1990 {
1991 const struct rtw_chip_info *chip = rtwdev->chip;
1992 struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
1993 struct sk_buff *new;
1994 u8 idx;
1995
1996 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {
1997 if (!(BIT(idx) & chip->band))
1998 continue;
1999 new = skb_copy(skb, GFP_KERNEL);
2000 if (!new)
2001 return -ENOMEM;
2002 skb_put_data(new, ies->ies[idx], ies->len[idx]);
2003 skb_put_data(new, ies->common_ies, ies->common_ie_len);
2004 skb_queue_tail(list, new);
2005 (*bands)++;
2006 }
2007
2008 return 0;
2009 }
2010
_rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,u8 num_probes,struct sk_buff_head * probe_req_list)2011 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,
2012 struct sk_buff_head *probe_req_list)
2013 {
2014 const struct rtw_chip_info *chip = rtwdev->chip;
2015 struct sk_buff *skb, *tmp;
2016 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;
2017 u8 tx_desc_sz = chip->tx_pkt_desc_sz;
2018 u16 page_size = chip->page_size;
2019 u8 page_offset = 1, *buf;
2020 u16 buf_offset = page_size * page_offset;
2021 unsigned int pkt_len;
2022 u8 page_cnt, pages;
2023 int ret;
2024
2025 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))
2026 page_cnt = RTW_OLD_PROBE_PG_CNT;
2027 else
2028 page_cnt = RTW_PROBE_PG_CNT;
2029
2030 pages = page_offset + num_probes * page_cnt;
2031
2032 buf = kzalloc(page_size * pages, GFP_KERNEL);
2033 if (!buf)
2034 return -ENOMEM;
2035
2036 buf_offset -= tx_desc_sz;
2037 skb_queue_walk_safe(probe_req_list, skb, tmp) {
2038 skb_unlink(skb, probe_req_list);
2039 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);
2040 if (skb->len > page_size * page_cnt) {
2041 ret = -EINVAL;
2042 goto out;
2043 }
2044
2045 memcpy(buf + buf_offset, skb->data, skb->len);
2046 pkt_len = skb->len - tx_desc_sz;
2047 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;
2048 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);
2049
2050 buf_offset += page_cnt * page_size;
2051 page_offset += page_cnt;
2052 kfree_skb(skb);
2053 }
2054
2055 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);
2056 if (ret) {
2057 rtw_err(rtwdev, "Download probe request to firmware failed\n");
2058 goto out;
2059 }
2060
2061 rtwdev->scan_info.probe_pg_size = page_offset;
2062 out:
2063 kfree(buf);
2064 skb_queue_walk_safe(probe_req_list, skb, tmp)
2065 kfree_skb(skb);
2066
2067 return ret;
2068 }
2069
rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)2070 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,
2071 struct rtw_vif *rtwvif)
2072 {
2073 struct cfg80211_scan_request *req = rtwvif->scan_req;
2074 struct sk_buff_head list;
2075 struct sk_buff *skb, *tmp;
2076 u8 num = req->n_ssids, i, bands = 0;
2077 int ret;
2078
2079 skb_queue_head_init(&list);
2080 for (i = 0; i < num; i++) {
2081 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,
2082 req->ssids[i].ssid,
2083 req->ssids[i].ssid_len,
2084 req->ie_len);
2085 if (!skb) {
2086 ret = -ENOMEM;
2087 goto out;
2088 }
2089 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,
2090 rtwvif);
2091 if (ret)
2092 goto out;
2093
2094 kfree_skb(skb);
2095 }
2096
2097 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);
2098
2099 out:
2100 skb_queue_walk_safe(&list, skb, tmp)
2101 kfree_skb(skb);
2102
2103 return ret;
2104 }
2105
rtw_add_chan_info(struct rtw_dev * rtwdev,struct rtw_chan_info * info,struct rtw_chan_list * list,u8 * buf)2106 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,
2107 struct rtw_chan_list *list, u8 *buf)
2108 {
2109 u8 *chan = &buf[list->size];
2110 u8 info_size = RTW_CH_INFO_SIZE;
2111
2112 if (list->size > list->buf_size)
2113 return -ENOMEM;
2114
2115 CH_INFO_SET_CH(chan, info->channel);
2116 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);
2117 CH_INFO_SET_BW(chan, info->bw);
2118 CH_INFO_SET_TIMEOUT(chan, info->timeout);
2119 CH_INFO_SET_ACTION_ID(chan, info->action_id);
2120 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);
2121 if (info->extra_info) {
2122 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);
2123 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);
2124 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -
2125 RTW_EX_CH_INFO_HDR_SIZE);
2126 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);
2127 info_size += RTW_EX_CH_INFO_SIZE;
2128 }
2129 list->size += info_size;
2130 list->ch_num++;
2131
2132 return 0;
2133 }
2134
rtw_add_chan_list(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list,u8 * buf)2135 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2136 struct rtw_chan_list *list, u8 *buf)
2137 {
2138 struct cfg80211_scan_request *req = rtwvif->scan_req;
2139 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2140 struct ieee80211_channel *channel;
2141 int i, ret = 0;
2142
2143 for (i = 0; i < req->n_channels; i++) {
2144 struct rtw_chan_info ch_info = {0};
2145
2146 channel = req->channels[i];
2147 ch_info.channel = channel->hw_value;
2148 ch_info.bw = RTW_SCAN_WIDTH;
2149 ch_info.pri_ch_idx = RTW_PRI_CH_IDX;
2150 ch_info.timeout = req->duration_mandatory ?
2151 req->duration : RTW_CHANNEL_TIME;
2152
2153 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {
2154 ch_info.action_id = RTW_CHANNEL_RADAR;
2155 ch_info.extra_info = 1;
2156 /* Overwrite duration for passive scans if necessary */
2157 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?
2158 ch_info.timeout : RTW_PASS_CHAN_TIME;
2159 } else {
2160 ch_info.action_id = RTW_CHANNEL_ACTIVE;
2161 }
2162
2163 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);
2164 if (ret)
2165 return ret;
2166 }
2167
2168 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {
2169 rtw_err(rtwdev, "List exceeds rsvd page total size\n");
2170 return -EINVAL;
2171 }
2172
2173 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;
2174 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);
2175 if (ret)
2176 rtw_err(rtwdev, "Download channel list failed\n");
2177
2178 return ret;
2179 }
2180
rtw_fw_set_scan_offload(struct rtw_dev * rtwdev,struct rtw_ch_switch_option * opt,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2181 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,
2182 struct rtw_ch_switch_option *opt,
2183 struct rtw_vif *rtwvif,
2184 struct rtw_chan_list *list)
2185 {
2186 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2187 struct cfg80211_scan_request *req = rtwvif->scan_req;
2188 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2189 /* reserve one dummy page at the beginning for tx descriptor */
2190 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;
2191 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;
2192 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
2193
2194 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);
2195 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);
2196
2197 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);
2198 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);
2199 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);
2200 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);
2201 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);
2202 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);
2203 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);
2204 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);
2205 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);
2206 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);
2207 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);
2208 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?
2209 req->duration : RTW_CHANNEL_TIME);
2210 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);
2211 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);
2212 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);
2213
2214 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
2215 }
2216
rtw_hw_scan_start(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_scan_request * scan_req)2217 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2218 struct ieee80211_scan_request *scan_req)
2219 {
2220 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
2221 struct cfg80211_scan_request *req = &scan_req->req;
2222 u8 mac_addr[ETH_ALEN];
2223
2224 rtwdev->scan_info.scanning_vif = vif;
2225 rtwvif->scan_ies = &scan_req->ies;
2226 rtwvif->scan_req = req;
2227
2228 ieee80211_stop_queues(rtwdev->hw);
2229 rtw_leave_lps_deep(rtwdev);
2230 rtw_hci_flush_all_queues(rtwdev, false);
2231 rtw_mac_flush_all_queues(rtwdev, false);
2232 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
2233 get_random_mask_addr(mac_addr, req->mac_addr,
2234 req->mac_addr_mask);
2235 else
2236 ether_addr_copy(mac_addr, vif->addr);
2237
2238 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);
2239
2240 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;
2241 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2242 }
2243
rtw_hw_scan_complete(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool aborted)2244 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2245 bool aborted)
2246 {
2247 struct cfg80211_scan_info info = {
2248 .aborted = aborted,
2249 };
2250 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2251 struct rtw_hal *hal = &rtwdev->hal;
2252 struct rtw_vif *rtwvif;
2253 u8 chan = scan_info->op_chan;
2254
2255 if (!vif)
2256 return;
2257
2258 rtwdev->hal.rcr |= BIT_CBSSID_BCN;
2259 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2260
2261 rtw_core_scan_complete(rtwdev, vif, true);
2262
2263 rtwvif = (struct rtw_vif *)vif->drv_priv;
2264 if (chan)
2265 rtw_store_op_chan(rtwdev, false);
2266 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
2267 ieee80211_wake_queues(rtwdev->hw);
2268 ieee80211_scan_completed(rtwdev->hw, &info);
2269
2270 rtwvif->scan_req = NULL;
2271 rtwvif->scan_ies = NULL;
2272 rtwdev->scan_info.scanning_vif = NULL;
2273 }
2274
rtw_hw_scan_prehandle(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2275 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2276 struct rtw_chan_list *list)
2277 {
2278 struct cfg80211_scan_request *req = rtwvif->scan_req;
2279 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);
2280 u8 *buf;
2281 int ret;
2282
2283 buf = kmalloc(size, GFP_KERNEL);
2284 if (!buf)
2285 return -ENOMEM;
2286
2287 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);
2288 if (ret) {
2289 rtw_err(rtwdev, "Update probe request failed\n");
2290 goto out;
2291 }
2292
2293 list->buf_size = size;
2294 list->size = 0;
2295 list->ch_num = 0;
2296 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);
2297 out:
2298 kfree(buf);
2299
2300 return ret;
2301 }
2302
rtw_hw_scan_offload(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool enable)2303 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2304 bool enable)
2305 {
2306 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
2307 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2308 struct rtw_ch_switch_option cs_option = {0};
2309 struct rtw_chan_list chan_list = {0};
2310 int ret = 0;
2311
2312 if (!rtwvif)
2313 return -EINVAL;
2314
2315 cs_option.switch_en = enable;
2316 cs_option.back_op_en = scan_info->op_chan != 0;
2317 if (enable) {
2318 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
2319 if (ret)
2320 goto out;
2321 }
2322 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);
2323 out:
2324 if (rtwdev->ap_active) {
2325 ret = rtw_download_beacon(rtwdev);
2326 if (ret)
2327 rtw_err(rtwdev, "HW scan download beacon failed\n");
2328 }
2329
2330 return ret;
2331 }
2332
rtw_hw_scan_abort(struct rtw_dev * rtwdev)2333 void rtw_hw_scan_abort(struct rtw_dev *rtwdev)
2334 {
2335 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2336
2337 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
2338 return;
2339
2340 rtw_hw_scan_offload(rtwdev, vif, false);
2341 rtw_hw_scan_complete(rtwdev, vif, true);
2342 }
2343
rtw_hw_scan_status_report(struct rtw_dev * rtwdev,struct sk_buff * skb)2344 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)
2345 {
2346 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2347 struct rtw_c2h_cmd *c2h;
2348 bool aborted;
2349 u8 rc;
2350
2351 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2352 return;
2353
2354 c2h = get_c2h_from_skb(skb);
2355 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);
2356 aborted = rc != RTW_SCAN_REPORT_SUCCESS;
2357 rtw_hw_scan_complete(rtwdev, vif, aborted);
2358
2359 if (aborted)
2360 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);
2361 }
2362
rtw_store_op_chan(struct rtw_dev * rtwdev,bool backup)2363 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)
2364 {
2365 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2366 struct rtw_hal *hal = &rtwdev->hal;
2367 u8 band;
2368
2369 if (backup) {
2370 scan_info->op_chan = hal->current_channel;
2371 scan_info->op_bw = hal->current_band_width;
2372 scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
2373 scan_info->op_pri_ch = hal->primary_channel;
2374 } else {
2375 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2376 rtw_update_channel(rtwdev, scan_info->op_chan,
2377 scan_info->op_pri_ch,
2378 band, scan_info->op_bw);
2379 }
2380 }
2381
rtw_clear_op_chan(struct rtw_dev * rtwdev)2382 void rtw_clear_op_chan(struct rtw_dev *rtwdev)
2383 {
2384 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2385
2386 scan_info->op_chan = 0;
2387 scan_info->op_bw = 0;
2388 scan_info->op_pri_ch_idx = 0;
2389 scan_info->op_pri_ch = 0;
2390 }
2391
rtw_is_op_chan(struct rtw_dev * rtwdev,u8 channel)2392 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
2393 {
2394 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2395
2396 return channel == scan_info->op_chan;
2397 }
2398
rtw_hw_scan_chan_switch(struct rtw_dev * rtwdev,struct sk_buff * skb)2399 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)
2400 {
2401 struct rtw_hal *hal = &rtwdev->hal;
2402 struct rtw_c2h_cmd *c2h;
2403 enum rtw_scan_notify_id id;
2404 u8 chan, band, status;
2405
2406 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2407 return;
2408
2409 c2h = get_c2h_from_skb(skb);
2410 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);
2411 id = GET_CHAN_SWITCH_ID(c2h->payload);
2412 status = GET_CHAN_SWITCH_STATUS(c2h->payload);
2413
2414 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {
2415 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2416 rtw_update_channel(rtwdev, chan, chan, band,
2417 RTW_CHANNEL_WIDTH_20);
2418 if (rtw_is_op_chan(rtwdev, chan)) {
2419 rtw_store_op_chan(rtwdev, false);
2420 ieee80211_wake_queues(rtwdev->hw);
2421 rtw_core_enable_beacon(rtwdev, true);
2422 }
2423 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {
2424 if (IS_CH_5G_BAND(chan)) {
2425 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
2426 } else if (IS_CH_2G_BAND(chan)) {
2427 u8 chan_type;
2428
2429 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2430 chan_type = COEX_SWITCH_TO_24G;
2431 else
2432 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;
2433 rtw_coex_switchband_notify(rtwdev, chan_type);
2434 }
2435 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next
2436 * channel that hardware will switch. We need to stop queue
2437 * if next channel is non-op channel.
2438 */
2439 if (!rtw_is_op_chan(rtwdev, chan) &&
2440 rtw_is_op_chan(rtwdev, hal->current_channel)) {
2441 rtw_core_enable_beacon(rtwdev, false);
2442 ieee80211_stop_queues(rtwdev->hw);
2443 }
2444 }
2445
2446 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,
2447 "Chan switch: %x, id: %x, status: %x\n", chan, id, status);
2448 }
2449