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 case C2H_ADAPTIVITY:
336 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len);
337 break;
338 default:
339 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
340 break;
341 }
342
343 unlock:
344 mutex_unlock(&rtwdev->mutex);
345 }
346
rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev * rtwdev,u32 pkt_offset,struct sk_buff * skb)347 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
348 struct sk_buff *skb)
349 {
350 struct rtw_c2h_cmd *c2h;
351 u8 len;
352
353 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
354 len = skb->len - pkt_offset - 2;
355 *((u32 *)skb->cb) = pkt_offset;
356
357 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
358 c2h->id, c2h->seq, len);
359
360 switch (c2h->id) {
361 case C2H_BT_MP_INFO:
362 rtw_coex_info_response(rtwdev, skb);
363 break;
364 case C2H_WLAN_RFON:
365 complete(&rtwdev->lps_leave_check);
366 dev_kfree_skb_any(skb);
367 break;
368 case C2H_SCAN_RESULT:
369 complete(&rtwdev->fw_scan_density);
370 rtw_fw_scan_result(rtwdev, c2h->payload, len);
371 dev_kfree_skb_any(skb);
372 break;
373 default:
374 /* pass offset for further operation */
375 *((u32 *)skb->cb) = pkt_offset;
376 skb_queue_tail(&rtwdev->c2h_queue, skb);
377 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
378 break;
379 }
380 }
381 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
382
rtw_fw_c2h_cmd_isr(struct rtw_dev * rtwdev)383 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
384 {
385 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER)
386 rtw_fw_recovery(rtwdev);
387 else
388 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n");
389 }
390 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
391
rtw_fw_send_h2c_command_register(struct rtw_dev * rtwdev,struct rtw_h2c_register * h2c)392 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,
393 struct rtw_h2c_register *h2c)
394 {
395 u32 box_reg, box_ex_reg;
396 u8 box_state, box;
397 int ret;
398
399 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,
400 h2c->w1);
401
402 lockdep_assert_held(&rtwdev->mutex);
403
404 box = rtwdev->h2c.last_box_num;
405 switch (box) {
406 case 0:
407 box_reg = REG_HMEBOX0;
408 box_ex_reg = REG_HMEBOX0_EX;
409 break;
410 case 1:
411 box_reg = REG_HMEBOX1;
412 box_ex_reg = REG_HMEBOX1_EX;
413 break;
414 case 2:
415 box_reg = REG_HMEBOX2;
416 box_ex_reg = REG_HMEBOX2_EX;
417 break;
418 case 3:
419 box_reg = REG_HMEBOX3;
420 box_ex_reg = REG_HMEBOX3_EX;
421 break;
422 default:
423 WARN(1, "invalid h2c mail box number\n");
424 return;
425 }
426
427 ret = read_poll_timeout_atomic(rtw_read8, box_state,
428 !((box_state >> box) & 0x1), 100, 3000,
429 false, rtwdev, REG_HMETFR);
430
431 if (ret) {
432 rtw_err(rtwdev, "failed to send h2c command\n");
433 rtw_fw_dump_dbg_info(rtwdev);
434 return;
435 }
436
437 rtw_write32(rtwdev, box_ex_reg, h2c->w1);
438 rtw_write32(rtwdev, box_reg, h2c->w0);
439
440 if (++rtwdev->h2c.last_box_num >= 4)
441 rtwdev->h2c.last_box_num = 0;
442 }
443
rtw_fw_send_h2c_command(struct rtw_dev * rtwdev,u8 * h2c)444 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
445 u8 *h2c)
446 {
447 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c;
448 u8 box;
449 u8 box_state;
450 u32 box_reg, box_ex_reg;
451 int ret;
452
453 rtw_dbg(rtwdev, RTW_DBG_FW,
454 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
455 h2c[3], h2c[2], h2c[1], h2c[0],
456 h2c[7], h2c[6], h2c[5], h2c[4]);
457
458 lockdep_assert_held(&rtwdev->mutex);
459
460 box = rtwdev->h2c.last_box_num;
461 switch (box) {
462 case 0:
463 box_reg = REG_HMEBOX0;
464 box_ex_reg = REG_HMEBOX0_EX;
465 break;
466 case 1:
467 box_reg = REG_HMEBOX1;
468 box_ex_reg = REG_HMEBOX1_EX;
469 break;
470 case 2:
471 box_reg = REG_HMEBOX2;
472 box_ex_reg = REG_HMEBOX2_EX;
473 break;
474 case 3:
475 box_reg = REG_HMEBOX3;
476 box_ex_reg = REG_HMEBOX3_EX;
477 break;
478 default:
479 WARN(1, "invalid h2c mail box number\n");
480 return;
481 }
482
483 ret = read_poll_timeout_atomic(rtw_read8, box_state,
484 !((box_state >> box) & 0x1), 100, 3000,
485 false, rtwdev, REG_HMETFR);
486
487 if (ret) {
488 rtw_err(rtwdev, "failed to send h2c command\n");
489 return;
490 }
491
492 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext));
493 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg));
494
495 if (++rtwdev->h2c.last_box_num >= 4)
496 rtwdev->h2c.last_box_num = 0;
497 }
498
rtw_fw_h2c_cmd_dbg(struct rtw_dev * rtwdev,u8 * h2c)499 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
500 {
501 rtw_fw_send_h2c_command(rtwdev, h2c);
502 }
503
rtw_fw_send_h2c_packet(struct rtw_dev * rtwdev,u8 * h2c_pkt)504 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
505 {
506 int ret;
507
508 lockdep_assert_held(&rtwdev->mutex);
509
510 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
511 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
512 if (ret)
513 rtw_err(rtwdev, "failed to send h2c packet\n");
514 rtwdev->h2c.seq++;
515 }
516
517 void
rtw_fw_send_general_info(struct rtw_dev * rtwdev)518 rtw_fw_send_general_info(struct rtw_dev *rtwdev)
519 {
520 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
521 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
522 u16 total_size = H2C_PKT_HDR_SIZE + 4;
523
524 if (rtw_chip_wcpu_8051(rtwdev))
525 return;
526
527 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
528
529 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
530
531 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
532 fifo->rsvd_fw_txbuf_addr -
533 fifo->rsvd_boundary);
534
535 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
536 }
537
538 void
rtw_fw_send_phydm_info(struct rtw_dev * rtwdev)539 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
540 {
541 struct rtw_hal *hal = &rtwdev->hal;
542 struct rtw_efuse *efuse = &rtwdev->efuse;
543 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
544 u16 total_size = H2C_PKT_HDR_SIZE + 8;
545 u8 fw_rf_type = 0;
546
547 if (rtw_chip_wcpu_8051(rtwdev))
548 return;
549
550 if (hal->rf_type == RF_1T1R)
551 fw_rf_type = FW_RF_1T1R;
552 else if (hal->rf_type == RF_2T2R)
553 fw_rf_type = FW_RF_2T2R;
554
555 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
556
557 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
558 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
559 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
560 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
561 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
562 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
563
564 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
565 }
566
rtw_fw_do_iqk(struct rtw_dev * rtwdev,struct rtw_iqk_para * para)567 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
568 {
569 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
570 u16 total_size = H2C_PKT_HDR_SIZE + 1;
571
572 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
573 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
574 IQK_SET_CLEAR(h2c_pkt, para->clear);
575 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
576
577 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
578 }
579 EXPORT_SYMBOL(rtw_fw_do_iqk);
580
rtw_fw_inform_rfk_status(struct rtw_dev * rtwdev,bool start)581 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start)
582 {
583 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
584
585 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION);
586
587 RFK_SET_INFORM_START(h2c_pkt, start);
588
589 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
590 }
591 EXPORT_SYMBOL(rtw_fw_inform_rfk_status);
592
rtw_fw_query_bt_info(struct rtw_dev * rtwdev)593 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
594 {
595 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
596
597 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
598
599 SET_QUERY_BT_INFO(h2c_pkt, true);
600
601 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
602 }
603
rtw_fw_default_port(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)604 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
605 {
606 struct rtw_h2c_register h2c = {};
607
608 if (rtwvif->net_type != RTW_NET_MGD_LINKED)
609 return;
610
611 /* Leave LPS before default port H2C so FW timer is correct */
612 rtw_leave_lps(rtwdev);
613
614 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) |
615 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) |
616 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID);
617
618 rtw_fw_send_h2c_command_register(rtwdev, &h2c);
619 }
620
rtw_fw_wl_ch_info(struct rtw_dev * rtwdev,u8 link,u8 ch,u8 bw)621 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
622 {
623 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
624
625 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
626
627 SET_WL_CH_INFO_LINK(h2c_pkt, link);
628 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
629 SET_WL_CH_INFO_BW(h2c_pkt, bw);
630
631 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
632 }
633
rtw_fw_query_bt_mp_info(struct rtw_dev * rtwdev,struct rtw_coex_info_req * req)634 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
635 struct rtw_coex_info_req *req)
636 {
637 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
638
639 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
640
641 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
642 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
643 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
644 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
645 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
646
647 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
648 }
649
rtw_fw_force_bt_tx_power(struct rtw_dev * rtwdev,u8 bt_pwr_dec_lvl)650 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
651 {
652 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
653 u8 index = 0 - bt_pwr_dec_lvl;
654
655 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
656
657 SET_BT_TX_POWER_INDEX(h2c_pkt, index);
658
659 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
660 }
661
rtw_fw_bt_ignore_wlan_action(struct rtw_dev * rtwdev,bool enable)662 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
663 {
664 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
665
666 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
667
668 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
669
670 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
671 }
672
rtw_fw_coex_tdma_type(struct rtw_dev * rtwdev,u8 para1,u8 para2,u8 para3,u8 para4,u8 para5)673 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
674 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
675 {
676 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
677
678 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
679
680 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
681 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
682 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
683 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
684 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
685
686 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
687 }
688
rtw_fw_coex_query_hid_info(struct rtw_dev * rtwdev,u8 sub_id,u8 data)689 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data)
690 {
691 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
692
693 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO);
694
695 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id);
696 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data);
697
698 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
699 }
700
rtw_fw_bt_wifi_control(struct rtw_dev * rtwdev,u8 op_code,u8 * data)701 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
702 {
703 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
704
705 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
706
707 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
708
709 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
710 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
711 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
712 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
713 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
714
715 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
716 }
717
rtw_fw_send_rssi_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si)718 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
719 {
720 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
721 u8 rssi = ewma_rssi_read(&si->avg_rssi);
722 bool stbc_en = si->stbc_en ? true : false;
723
724 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
725
726 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
727 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
728 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
729
730 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
731 }
732
rtw_fw_send_ra_info(struct rtw_dev * rtwdev,struct rtw_sta_info * si,bool reset_ra_mask)733 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si,
734 bool reset_ra_mask)
735 {
736 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
737 bool disable_pt = true;
738 u32 mask_hi;
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 if (rtwdev->chip->id != RTW_CHIP_TYPE_8814A)
761 return;
762
763 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO_HI);
764
765 mask_hi = si->ra_mask >> 32;
766
767 SET_RA_INFO_RA_MASK0(h2c_pkt, (mask_hi & 0xff));
768 SET_RA_INFO_RA_MASK1(h2c_pkt, (mask_hi & 0xff00) >> 8);
769 SET_RA_INFO_RA_MASK2(h2c_pkt, (mask_hi & 0xff0000) >> 16);
770 SET_RA_INFO_RA_MASK3(h2c_pkt, (mask_hi & 0xff000000) >> 24);
771
772 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
773 }
774
rtw_fw_media_status_report(struct rtw_dev * rtwdev,u8 mac_id,bool connect)775 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
776 {
777 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
778
779 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
780 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
781 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
782
783 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
784 }
785
rtw_fw_update_wl_phy_info(struct rtw_dev * rtwdev)786 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev)
787 {
788 struct rtw_traffic_stats *stats = &rtwdev->stats;
789 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
790 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
791
792 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO);
793 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput);
794 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput);
795 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate);
796 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate);
797 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]);
798 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
799 }
800
rtw_fw_beacon_filter_config(struct rtw_dev * rtwdev,bool connect,struct ieee80211_vif * vif)801 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect,
802 struct ieee80211_vif *vif)
803 {
804 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
805 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
806 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100;
807 struct rtw_sta_info *si =
808 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL;
809 s32 thold = RTW_DEFAULT_CQM_THOLD;
810 u32 hyst = RTW_DEFAULT_CQM_HYST;
811 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
812
813 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
814 return;
815
816 if (bss_conf->cqm_rssi_thold)
817 thold = bss_conf->cqm_rssi_thold;
818 if (bss_conf->cqm_rssi_hyst)
819 hyst = bss_conf->cqm_rssi_hyst;
820
821 if (!connect) {
822 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
823 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
825
826 return;
827 }
828
829 if (!si)
830 return;
831
832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0);
833 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid);
834 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
835
836 memset(h2c_pkt, 0, sizeof(h2c_pkt));
837 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max);
838 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1);
839 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect);
840 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt,
841 BCN_FILTER_OFFLOAD_MODE_DEFAULT);
842 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold);
843 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT);
844 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id);
845 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst);
846 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int);
847 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
848 }
849
rtw_fw_set_pwr_mode(struct rtw_dev * rtwdev)850 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
851 {
852 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
853 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
854
855 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
856
857 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
858 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
859 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
860 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
861 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
862 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
863
864 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
865 }
866
rtw_fw_set_keep_alive_cmd(struct rtw_dev * rtwdev,bool enable)867 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
868 {
869 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
870 struct rtw_fw_wow_keep_alive_para mode = {
871 .adopt = true,
872 .pkt_type = KEEP_ALIVE_NULL_PKT,
873 .period = 5,
874 };
875
876 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
877 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
878 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
879 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
880 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
881
882 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
883 }
884
rtw_fw_set_disconnect_decision_cmd(struct rtw_dev * rtwdev,bool enable)885 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
886 {
887 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
888 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
889 struct rtw_fw_wow_disconnect_para mode = {
890 .adopt = true,
891 .period = 30,
892 .retry_count = 5,
893 };
894
895 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
896
897 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
898 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
899 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
900 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
901 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
902 }
903
904 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
905 }
906
rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)907 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
908 {
909 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
910 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
911
912 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
913
914 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
915 if (rtw_wow_mgd_linked(rtwdev)) {
916 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
917 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
918 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
919 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
920 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
921 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
922 if (rtw_wow->pattern_cnt)
923 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
924 }
925
926 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
927 }
928
rtw_fw_set_aoac_global_info_cmd(struct rtw_dev * rtwdev,u8 pairwise_key_enc,u8 group_key_enc)929 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
930 u8 pairwise_key_enc,
931 u8 group_key_enc)
932 {
933 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
934
935 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
936
937 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
938 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
939
940 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
941 }
942
rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev * rtwdev,bool enable)943 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
944 {
945 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
946
947 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
948
949 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
950
951 if (rtw_wow_no_link(rtwdev))
952 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
953
954 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
955 }
956
rtw_get_rsvd_page_location(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type)957 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
958 enum rtw_rsvd_packet_type type)
959 {
960 struct rtw_rsvd_page *rsvd_pkt;
961 u8 location = 0;
962
963 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
964 if (type == rsvd_pkt->type)
965 location = rsvd_pkt->page;
966 }
967
968 return location;
969 }
970
rtw_fw_set_nlo_info(struct rtw_dev * rtwdev,bool enable)971 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
972 {
973 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
974 u8 loc_nlo;
975
976 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
977
978 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
979
980 SET_NLO_FUN_EN(h2c_pkt, enable);
981 if (enable) {
982 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE)
983 SET_NLO_PS_32K(h2c_pkt, enable);
984 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
985 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
986 }
987
988 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
989 }
990
rtw_fw_set_recover_bt_device(struct rtw_dev * rtwdev)991 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev)
992 {
993 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
994
995 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV);
996 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1);
997
998 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
999 }
1000
rtw_fw_set_pg_info(struct rtw_dev * rtwdev)1001 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
1002 {
1003 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
1004 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1005 u8 loc_pg, loc_dpk;
1006
1007 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
1008 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
1009
1010 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
1011
1012 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
1013 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
1014 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
1015 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
1016
1017 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1018 }
1019
rtw_get_rsvd_page_probe_req_location(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1020 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
1021 struct cfg80211_ssid *ssid)
1022 {
1023 struct rtw_rsvd_page *rsvd_pkt;
1024 u8 location = 0;
1025
1026 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1027 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1028 continue;
1029 if ((!ssid && !rsvd_pkt->ssid) ||
1030 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1031 location = rsvd_pkt->page;
1032 }
1033
1034 return location;
1035 }
1036
rtw_get_rsvd_page_probe_req_size(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1037 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
1038 struct cfg80211_ssid *ssid)
1039 {
1040 struct rtw_rsvd_page *rsvd_pkt;
1041 u16 size = 0;
1042
1043 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1044 if (rsvd_pkt->type != RSVD_PROBE_REQ)
1045 continue;
1046 if ((!ssid && !rsvd_pkt->ssid) ||
1047 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid))
1048 size = rsvd_pkt->probe_req_size;
1049 }
1050
1051 return size;
1052 }
1053
rtw_send_rsvd_page_h2c(struct rtw_dev * rtwdev)1054 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
1055 {
1056 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1057 u8 location = 0;
1058
1059 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
1060
1061 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
1062 *(h2c_pkt + 1) = location;
1063 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
1064
1065 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
1066 *(h2c_pkt + 2) = location;
1067 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
1068
1069 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
1070 *(h2c_pkt + 3) = location;
1071 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
1072
1073 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
1074 *(h2c_pkt + 4) = location;
1075 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
1076
1077 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1078 }
1079
rtw_nlo_info_get(struct ieee80211_hw * hw)1080 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
1081 {
1082 struct rtw_dev *rtwdev = hw->priv;
1083 const struct rtw_chip_info *chip = rtwdev->chip;
1084 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1085 struct rtw_nlo_info_hdr *nlo_hdr;
1086 struct cfg80211_ssid *ssid;
1087 struct sk_buff *skb;
1088 u8 *pos, loc;
1089 u32 size;
1090 int i;
1091
1092 if (!pno_req->inited || !pno_req->match_set_cnt)
1093 return NULL;
1094
1095 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
1096 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
1097
1098 skb = alloc_skb(size, GFP_KERNEL);
1099 if (!skb)
1100 return NULL;
1101
1102 skb_reserve(skb, chip->tx_pkt_desc_sz);
1103
1104 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
1105
1106 nlo_hdr->nlo_count = pno_req->match_set_cnt;
1107 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
1108
1109 /* pattern check for firmware */
1110 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
1111
1112 for (i = 0; i < pno_req->match_set_cnt; i++)
1113 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
1114
1115 for (i = 0; i < pno_req->match_set_cnt; i++) {
1116 ssid = &pno_req->match_sets[i].ssid;
1117 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1118 if (!loc) {
1119 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
1120 kfree_skb(skb);
1121 return NULL;
1122 }
1123 nlo_hdr->location[i] = loc;
1124 }
1125
1126 for (i = 0; i < pno_req->match_set_cnt; i++) {
1127 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
1128 memcpy(pos, pno_req->match_sets[i].ssid.ssid,
1129 pno_req->match_sets[i].ssid.ssid_len);
1130 }
1131
1132 return skb;
1133 }
1134
rtw_cs_channel_info_get(struct ieee80211_hw * hw)1135 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
1136 {
1137 struct rtw_dev *rtwdev = hw->priv;
1138 const struct rtw_chip_info *chip = rtwdev->chip;
1139 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
1140 struct ieee80211_channel *channels = pno_req->channels;
1141 struct sk_buff *skb;
1142 int count = pno_req->channel_cnt;
1143 u8 *pos;
1144 int i = 0;
1145
1146 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
1147 if (!skb)
1148 return NULL;
1149
1150 skb_reserve(skb, chip->tx_pkt_desc_sz);
1151
1152 for (i = 0; i < count; i++) {
1153 pos = skb_put_zero(skb, 4);
1154
1155 CHSW_INFO_SET_CH(pos, channels[i].hw_value);
1156
1157 if (channels[i].flags & IEEE80211_CHAN_RADAR)
1158 CHSW_INFO_SET_ACTION_ID(pos, 0);
1159 else
1160 CHSW_INFO_SET_ACTION_ID(pos, 1);
1161 CHSW_INFO_SET_TIMEOUT(pos, 1);
1162 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
1163 CHSW_INFO_SET_BW(pos, 0);
1164 }
1165
1166 return skb;
1167 }
1168
rtw_lps_pg_dpk_get(struct ieee80211_hw * hw)1169 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
1170 {
1171 struct rtw_dev *rtwdev = hw->priv;
1172 const struct rtw_chip_info *chip = rtwdev->chip;
1173 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
1174 struct rtw_lps_pg_dpk_hdr *dpk_hdr;
1175 struct sk_buff *skb;
1176 u32 size;
1177
1178 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
1179 skb = alloc_skb(size, GFP_KERNEL);
1180 if (!skb)
1181 return NULL;
1182
1183 skb_reserve(skb, chip->tx_pkt_desc_sz);
1184 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
1185 dpk_hdr->dpk_ch = dpk_info->dpk_ch;
1186 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
1187 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
1188 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
1189 memcpy(dpk_hdr->coef, dpk_info->coef, 160);
1190
1191 return skb;
1192 }
1193
rtw_lps_pg_info_get(struct ieee80211_hw * hw)1194 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
1195 {
1196 struct rtw_dev *rtwdev = hw->priv;
1197 const struct rtw_chip_info *chip = rtwdev->chip;
1198 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
1199 struct rtw_lps_pg_info_hdr *pg_info_hdr;
1200 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1201 struct sk_buff *skb;
1202 u32 size;
1203
1204 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
1205 skb = alloc_skb(size, GFP_KERNEL);
1206 if (!skb)
1207 return NULL;
1208
1209 skb_reserve(skb, chip->tx_pkt_desc_sz);
1210 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
1211 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
1212 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
1213 pg_info_hdr->sec_cam_count =
1214 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
1215 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
1216
1217 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
1218 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
1219
1220 return skb;
1221 }
1222
rtw_get_rsvd_page_skb(struct ieee80211_hw * hw,struct rtw_rsvd_page * rsvd_pkt)1223 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
1224 struct rtw_rsvd_page *rsvd_pkt)
1225 {
1226 struct ieee80211_vif *vif;
1227 struct rtw_vif *rtwvif;
1228 struct sk_buff *skb_new;
1229 struct cfg80211_ssid *ssid;
1230 u16 tim_offset = 0;
1231
1232 if (rsvd_pkt->type == RSVD_DUMMY) {
1233 skb_new = alloc_skb(1, GFP_KERNEL);
1234 if (!skb_new)
1235 return NULL;
1236
1237 skb_put(skb_new, 1);
1238 return skb_new;
1239 }
1240
1241 rtwvif = rsvd_pkt->rtwvif;
1242 if (!rtwvif)
1243 return NULL;
1244
1245 vif = rtwvif_to_vif(rtwvif);
1246
1247 switch (rsvd_pkt->type) {
1248 case RSVD_BEACON:
1249 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0);
1250 rsvd_pkt->tim_offset = tim_offset;
1251 break;
1252 case RSVD_PS_POLL:
1253 skb_new = ieee80211_pspoll_get(hw, vif);
1254 break;
1255 case RSVD_PROBE_RESP:
1256 skb_new = ieee80211_proberesp_get(hw, vif);
1257 break;
1258 case RSVD_NULL:
1259 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false);
1260 break;
1261 case RSVD_QOS_NULL:
1262 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true);
1263 break;
1264 case RSVD_LPS_PG_DPK:
1265 skb_new = rtw_lps_pg_dpk_get(hw);
1266 break;
1267 case RSVD_LPS_PG_INFO:
1268 skb_new = rtw_lps_pg_info_get(hw);
1269 break;
1270 case RSVD_PROBE_REQ:
1271 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
1272 if (ssid)
1273 skb_new = ieee80211_probereq_get(hw, vif->addr,
1274 ssid->ssid,
1275 ssid->ssid_len, 0);
1276 else
1277 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
1278 if (skb_new)
1279 rsvd_pkt->probe_req_size = (u16)skb_new->len;
1280 break;
1281 case RSVD_NLO_INFO:
1282 skb_new = rtw_nlo_info_get(hw);
1283 break;
1284 case RSVD_CH_INFO:
1285 skb_new = rtw_cs_channel_info_get(hw);
1286 break;
1287 default:
1288 return NULL;
1289 }
1290
1291 if (!skb_new)
1292 return NULL;
1293
1294 return skb_new;
1295 }
1296
rtw_fill_rsvd_page_desc(struct rtw_dev * rtwdev,struct sk_buff * skb,enum rtw_rsvd_packet_type type)1297 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
1298 enum rtw_rsvd_packet_type type)
1299 {
1300 struct rtw_tx_pkt_info pkt_info = {0};
1301 const struct rtw_chip_info *chip = rtwdev->chip;
1302 u8 *pkt_desc;
1303
1304 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type);
1305 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
1306 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
1307 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb);
1308 }
1309
rtw_len_to_page(unsigned int len,u16 page_size)1310 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size)
1311 {
1312 return DIV_ROUND_UP(len, page_size);
1313 }
1314
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)1315 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size,
1316 u16 page_margin, u32 page, u8 *buf,
1317 struct rtw_rsvd_page *rsvd_pkt)
1318 {
1319 struct sk_buff *skb = rsvd_pkt->skb;
1320
1321 if (page >= 1)
1322 memcpy(buf + page_margin + page_size * (page - 1),
1323 skb->data, skb->len);
1324 else
1325 memcpy(buf, skb->data, skb->len);
1326 }
1327
rtw_alloc_rsvd_page(struct rtw_dev * rtwdev,enum rtw_rsvd_packet_type type,bool txdesc)1328 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
1329 enum rtw_rsvd_packet_type type,
1330 bool txdesc)
1331 {
1332 struct rtw_rsvd_page *rsvd_pkt = NULL;
1333
1334 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
1335
1336 if (!rsvd_pkt)
1337 return NULL;
1338
1339 INIT_LIST_HEAD(&rsvd_pkt->vif_list);
1340 INIT_LIST_HEAD(&rsvd_pkt->build_list);
1341 rsvd_pkt->type = type;
1342 rsvd_pkt->add_txdesc = txdesc;
1343
1344 return rsvd_pkt;
1345 }
1346
rtw_insert_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_rsvd_page * rsvd_pkt)1347 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
1348 struct rtw_vif *rtwvif,
1349 struct rtw_rsvd_page *rsvd_pkt)
1350 {
1351 lockdep_assert_held(&rtwdev->mutex);
1352
1353 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
1354 }
1355
rtw_add_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,enum rtw_rsvd_packet_type type,bool txdesc)1356 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
1357 struct rtw_vif *rtwvif,
1358 enum rtw_rsvd_packet_type type,
1359 bool txdesc)
1360 {
1361 struct rtw_rsvd_page *rsvd_pkt;
1362
1363 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
1364 if (!rsvd_pkt) {
1365 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
1366 return;
1367 }
1368
1369 rsvd_pkt->rtwvif = rtwvif;
1370 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1371 }
1372
rtw_add_rsvd_page_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct cfg80211_ssid * ssid)1373 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
1374 struct rtw_vif *rtwvif,
1375 struct cfg80211_ssid *ssid)
1376 {
1377 struct rtw_rsvd_page *rsvd_pkt;
1378
1379 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
1380 if (!rsvd_pkt) {
1381 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
1382 return;
1383 }
1384
1385 rsvd_pkt->rtwvif = rtwvif;
1386 rsvd_pkt->ssid = ssid;
1387 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
1388 }
1389
rtw_remove_rsvd_page(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1390 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
1391 struct rtw_vif *rtwvif)
1392 {
1393 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1394
1395 lockdep_assert_held(&rtwdev->mutex);
1396
1397 /* remove all of the rsvd pages for vif */
1398 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
1399 vif_list) {
1400 list_del(&rsvd_pkt->vif_list);
1401 if (!list_empty(&rsvd_pkt->build_list))
1402 list_del(&rsvd_pkt->build_list);
1403 kfree(rsvd_pkt);
1404 }
1405 }
1406
rtw_add_rsvd_page_bcn(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1407 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
1408 struct rtw_vif *rtwvif)
1409 {
1410 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1411
1412 if (vif->type != NL80211_IFTYPE_AP &&
1413 vif->type != NL80211_IFTYPE_ADHOC &&
1414 vif->type != NL80211_IFTYPE_MESH_POINT) {
1415 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
1416 vif->type);
1417 return;
1418 }
1419
1420 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
1421 }
1422
rtw_add_rsvd_page_pno(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1423 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
1424 struct rtw_vif *rtwvif)
1425 {
1426 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1427 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1428 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
1429 struct cfg80211_ssid *ssid;
1430 int i;
1431
1432 if (vif->type != NL80211_IFTYPE_STATION) {
1433 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
1434 vif->type);
1435 return;
1436 }
1437
1438 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
1439 ssid = &rtw_pno_req->match_sets[i].ssid;
1440 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
1441 }
1442
1443 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
1444 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
1445 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
1446 }
1447
rtw_add_rsvd_page_sta(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)1448 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
1449 struct rtw_vif *rtwvif)
1450 {
1451 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1452
1453 if (vif->type != NL80211_IFTYPE_STATION) {
1454 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
1455 vif->type);
1456 return;
1457 }
1458
1459 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
1460 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
1461 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
1462 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
1463 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
1464 }
1465
rtw_fw_write_data_rsvd_page(struct rtw_dev * rtwdev,u16 pg_addr,u8 * buf,u32 size)1466 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
1467 u8 *buf, u32 size)
1468 {
1469 u8 bckp[3];
1470 u8 val;
1471 u16 rsvd_pg_head;
1472 u32 bcn_valid_addr;
1473 u32 bcn_valid_mask;
1474 int ret;
1475
1476 lockdep_assert_held(&rtwdev->mutex);
1477
1478 if (!size)
1479 return -EINVAL;
1480
1481 bckp[2] = rtw_read8(rtwdev, REG_BCN_CTRL);
1482
1483 if (rtw_chip_wcpu_8051(rtwdev)) {
1484 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
1485 } else {
1486 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
1487 pg_addr |= BIT_BCN_VALID_V1;
1488 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
1489 }
1490
1491 val = rtw_read8(rtwdev, REG_CR + 1);
1492 bckp[0] = val;
1493 val |= BIT_ENSWBCN >> 8;
1494 rtw_write8(rtwdev, REG_CR + 1, val);
1495
1496 rtw_write8(rtwdev, REG_BCN_CTRL,
1497 (bckp[2] & ~BIT_EN_BCN_FUNCTION) | BIT_DIS_TSF_UDT);
1498
1499 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {
1500 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
1501 bckp[1] = val;
1502 val &= ~(BIT_EN_BCNQ_DL >> 16);
1503 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
1504 }
1505
1506 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
1507 if (ret) {
1508 rtw_err(rtwdev, "failed to write data to rsvd page\n");
1509 goto restore;
1510 }
1511
1512 if (rtw_chip_wcpu_8051(rtwdev)) {
1513 bcn_valid_addr = REG_DWBCN0_CTRL;
1514 bcn_valid_mask = BIT_BCN_VALID;
1515 } else {
1516 bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
1517 bcn_valid_mask = BIT_BCN_VALID_V1;
1518 }
1519
1520 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
1521 rtw_err(rtwdev, "error beacon valid\n");
1522 ret = -EBUSY;
1523 }
1524
1525 restore:
1526 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
1527 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
1528 rsvd_pg_head | BIT_BCN_VALID_V1);
1529 rtw_write8(rtwdev, REG_BCN_CTRL, bckp[2]);
1530 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
1531 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
1532 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
1533
1534 return ret;
1535 }
1536
rtw_download_drv_rsvd_page(struct rtw_dev * rtwdev,u8 * buf,u32 size)1537 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
1538 {
1539 u32 pg_size;
1540 u32 pg_num = 0;
1541 u16 pg_addr = 0;
1542
1543 pg_size = rtwdev->chip->page_size;
1544 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
1545 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
1546 return -ENOMEM;
1547
1548 pg_addr = rtwdev->fifo.rsvd_drv_addr;
1549
1550 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
1551 }
1552
__rtw_build_rsvd_page_reset(struct rtw_dev * rtwdev)1553 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
1554 {
1555 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1556
1557 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
1558 build_list) {
1559 list_del_init(&rsvd_pkt->build_list);
1560
1561 /* Don't free except for the dummy rsvd page,
1562 * others will be freed when removing vif
1563 */
1564 if (rsvd_pkt->type == RSVD_DUMMY)
1565 kfree(rsvd_pkt);
1566 }
1567 }
1568
rtw_build_rsvd_page_iter(void * data,u8 * mac,struct ieee80211_vif * vif)1569 static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
1570 struct ieee80211_vif *vif)
1571 {
1572 struct rtw_dev *rtwdev = data;
1573 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
1574 struct rtw_rsvd_page *rsvd_pkt;
1575
1576 /* AP not yet started, don't gather its rsvd pages */
1577 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)
1578 return;
1579
1580 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
1581 if (rsvd_pkt->type == RSVD_BEACON)
1582 list_add(&rsvd_pkt->build_list,
1583 &rtwdev->rsvd_page_list);
1584 else
1585 list_add_tail(&rsvd_pkt->build_list,
1586 &rtwdev->rsvd_page_list);
1587 }
1588 }
1589
__rtw_build_rsvd_page_from_vifs(struct rtw_dev * rtwdev)1590 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
1591 {
1592 struct rtw_rsvd_page *rsvd_pkt;
1593
1594 __rtw_build_rsvd_page_reset(rtwdev);
1595
1596 /* gather rsvd page from vifs */
1597 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
1598
1599 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1600 struct rtw_rsvd_page, build_list);
1601 if (!rsvd_pkt) {
1602 WARN(1, "Should not have an empty reserved page\n");
1603 return -EINVAL;
1604 }
1605
1606 /* the first rsvd should be beacon, otherwise add a dummy one */
1607 if (rsvd_pkt->type != RSVD_BEACON) {
1608 struct rtw_rsvd_page *dummy_pkt;
1609
1610 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
1611 if (!dummy_pkt) {
1612 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
1613 return -ENOMEM;
1614 }
1615
1616 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
1617 }
1618
1619 return 0;
1620 }
1621
rtw_build_rsvd_page(struct rtw_dev * rtwdev,u32 * size)1622 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
1623 {
1624 const struct rtw_chip_info *chip = rtwdev->chip;
1625 struct ieee80211_hw *hw = rtwdev->hw;
1626 struct rtw_rsvd_page *rsvd_pkt;
1627 struct sk_buff *iter;
1628 u16 page_size, page_margin, tx_desc_sz;
1629 u8 total_page = 0;
1630 u32 page = 0;
1631 u8 *buf;
1632 int ret;
1633
1634 page_size = chip->page_size;
1635 tx_desc_sz = chip->tx_pkt_desc_sz;
1636 page_margin = page_size - tx_desc_sz;
1637
1638 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
1639 if (ret) {
1640 rtw_err(rtwdev,
1641 "failed to build rsvd page from vifs, ret %d\n", ret);
1642 return NULL;
1643 }
1644
1645 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1646 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1647 if (!iter) {
1648 rtw_err(rtwdev, "failed to build rsvd packet\n");
1649 goto release_skb;
1650 }
1651
1652 /* Fill the tx_desc for the rsvd pkt that requires one.
1653 * And iter->len will be added with size of tx_desc_sz.
1654 */
1655 if (rsvd_pkt->add_txdesc)
1656 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type);
1657
1658 rsvd_pkt->skb = iter;
1659 rsvd_pkt->page = total_page;
1660
1661 /* Reserved page is downloaded via TX path, and TX path will
1662 * generate a tx_desc at the header to describe length of
1663 * the buffer. If we are not counting page numbers with the
1664 * size of tx_desc added at the first rsvd_pkt (usually a
1665 * beacon, firmware default refer to the first page as the
1666 * content of beacon), we could generate a buffer which size
1667 * is smaller than the actual size of the whole rsvd_page
1668 */
1669 if (total_page == 0) {
1670 if (rsvd_pkt->type != RSVD_BEACON &&
1671 rsvd_pkt->type != RSVD_DUMMY) {
1672 rtw_err(rtwdev, "first page should be a beacon\n");
1673 goto release_skb;
1674 }
1675 total_page += rtw_len_to_page(iter->len + tx_desc_sz,
1676 page_size);
1677 } else {
1678 total_page += rtw_len_to_page(iter->len, page_size);
1679 }
1680 }
1681
1682 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
1683 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
1684 goto release_skb;
1685 }
1686
1687 *size = (total_page - 1) * page_size + page_margin;
1688 buf = kzalloc(*size, GFP_KERNEL);
1689 if (!buf)
1690 goto release_skb;
1691
1692 /* Copy the content of each rsvd_pkt to the buf, and they should
1693 * be aligned to the pages.
1694 *
1695 * Note that the first rsvd_pkt is a beacon no matter what vif->type.
1696 * And that rsvd_pkt does not require tx_desc because when it goes
1697 * through TX path, the TX path will generate one for it.
1698 */
1699 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1700 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
1701 page, buf, rsvd_pkt);
1702 if (page == 0)
1703 page += rtw_len_to_page(rsvd_pkt->skb->len +
1704 tx_desc_sz, page_size);
1705 else
1706 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
1707
1708 kfree_skb(rsvd_pkt->skb);
1709 rsvd_pkt->skb = NULL;
1710 }
1711
1712 return buf;
1713
1714 release_skb:
1715 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1716 kfree_skb(rsvd_pkt->skb);
1717 rsvd_pkt->skb = NULL;
1718 }
1719
1720 return NULL;
1721 }
1722
rtw_download_beacon(struct rtw_dev * rtwdev)1723 static int rtw_download_beacon(struct rtw_dev *rtwdev)
1724 {
1725 struct ieee80211_hw *hw = rtwdev->hw;
1726 struct rtw_rsvd_page *rsvd_pkt;
1727 struct sk_buff *skb;
1728 int ret = 0;
1729
1730 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1731 struct rtw_rsvd_page, build_list);
1732 if (!rsvd_pkt) {
1733 rtw_err(rtwdev, "failed to get rsvd page from build list\n");
1734 return -ENOENT;
1735 }
1736
1737 if (rsvd_pkt->type != RSVD_BEACON &&
1738 rsvd_pkt->type != RSVD_DUMMY) {
1739 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
1740 rsvd_pkt->type);
1741 return -EINVAL;
1742 }
1743
1744 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1745 if (!skb) {
1746 rtw_err(rtwdev, "failed to get beacon skb\n");
1747 return -ENOMEM;
1748 }
1749
1750 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
1751 if (ret)
1752 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1753
1754 dev_kfree_skb(skb);
1755
1756 return ret;
1757 }
1758
rtw_fw_download_rsvd_page(struct rtw_dev * rtwdev)1759 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
1760 {
1761 u8 *buf;
1762 u32 size;
1763 int ret;
1764
1765 buf = rtw_build_rsvd_page(rtwdev, &size);
1766 if (!buf) {
1767 rtw_err(rtwdev, "failed to build rsvd page pkt\n");
1768 return -ENOMEM;
1769 }
1770
1771 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
1772 if (ret) {
1773 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1774 goto free;
1775 }
1776
1777 /* The last thing is to download the *ONLY* beacon again, because
1778 * the previous tx_desc is to describe the total rsvd page. Download
1779 * the beacon again to replace the TX desc header, and we will get
1780 * a correct tx_desc for the beacon in the rsvd page.
1781 */
1782 ret = rtw_download_beacon(rtwdev);
1783 if (ret) {
1784 rtw_err(rtwdev, "failed to download beacon\n");
1785 goto free;
1786 }
1787
1788 free:
1789 kfree(buf);
1790
1791 return ret;
1792 }
1793
rtw_fw_update_beacon_work(struct work_struct * work)1794 void rtw_fw_update_beacon_work(struct work_struct *work)
1795 {
1796 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
1797 update_beacon_work);
1798
1799 mutex_lock(&rtwdev->mutex);
1800 rtw_fw_download_rsvd_page(rtwdev);
1801 rtw_send_rsvd_page_h2c(rtwdev);
1802 mutex_unlock(&rtwdev->mutex);
1803 }
1804
rtw_fw_read_fifo_page(struct rtw_dev * rtwdev,u32 offset,u32 size,u32 * buf,u32 residue,u16 start_pg)1805 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size,
1806 u32 *buf, u32 residue, u16 start_pg)
1807 {
1808 u32 i;
1809 u16 idx = 0;
1810 u16 ctl;
1811
1812 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
1813 /* disable rx clock gate */
1814 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK);
1815
1816 do {
1817 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
1818
1819 for (i = FIFO_DUMP_ADDR + residue;
1820 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
1821 buf[idx++] = rtw_read32(rtwdev, i);
1822 size -= 4;
1823 if (size == 0)
1824 goto out;
1825 }
1826
1827 residue = 0;
1828 start_pg++;
1829 } while (size);
1830
1831 out:
1832 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
1833 /* restore rx clock gate */
1834 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK);
1835 }
1836
rtw_fw_read_fifo(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 offset,u32 size,u32 * buf)1837 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel,
1838 u32 offset, u32 size, u32 *buf)
1839 {
1840 const struct rtw_chip_info *chip = rtwdev->chip;
1841 u32 start_pg, residue;
1842
1843 if (sel >= RTW_FW_FIFO_MAX) {
1844 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n");
1845 return;
1846 }
1847 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE)
1848 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT;
1849 residue = offset & (FIFO_PAGE_SIZE - 1);
1850 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel];
1851
1852 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg);
1853 }
1854
rtw_fw_dump_check_size(struct rtw_dev * rtwdev,enum rtw_fw_fifo_sel sel,u32 start_addr,u32 size)1855 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
1856 enum rtw_fw_fifo_sel sel,
1857 u32 start_addr, u32 size)
1858 {
1859 switch (sel) {
1860 case RTW_FW_FIFO_SEL_TX:
1861 case RTW_FW_FIFO_SEL_RX:
1862 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel])
1863 return false;
1864 fallthrough;
1865 default:
1866 return true;
1867 }
1868 }
1869
rtw_fw_dump_fifo(struct rtw_dev * rtwdev,u8 fifo_sel,u32 addr,u32 size,u32 * buffer)1870 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
1871 u32 *buffer)
1872 {
1873 if (!rtwdev->chip->fw_fifo_addr[0]) {
1874 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
1875 return -ENOTSUPP;
1876 }
1877
1878 if (size == 0 || !buffer)
1879 return -EINVAL;
1880
1881 if (size & 0x3) {
1882 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n");
1883 return -EINVAL;
1884 }
1885
1886 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) {
1887 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n");
1888 return -EINVAL;
1889 }
1890
1891 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer);
1892
1893 return 0;
1894 }
1895
__rtw_fw_update_pkt(struct rtw_dev * rtwdev,u8 pkt_id,u16 size,u8 location)1896 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
1897 u8 location)
1898 {
1899 const struct rtw_chip_info *chip = rtwdev->chip;
1900 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1901 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
1902
1903 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
1904
1905 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1906 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
1907 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
1908
1909 /* include txdesc size */
1910 size += chip->tx_pkt_desc_sz;
1911 UPDATE_PKT_SET_SIZE(h2c_pkt, size);
1912
1913 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1914 }
1915
rtw_fw_update_pkt_probe_req(struct rtw_dev * rtwdev,struct cfg80211_ssid * ssid)1916 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
1917 struct cfg80211_ssid *ssid)
1918 {
1919 u8 loc;
1920 u16 size;
1921
1922 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1923 if (!loc) {
1924 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
1925 return;
1926 }
1927
1928 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
1929 if (!size) {
1930 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
1931 return;
1932 }
1933
1934 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
1935 }
1936
rtw_fw_channel_switch(struct rtw_dev * rtwdev,bool enable)1937 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
1938 {
1939 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
1940 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1941 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
1942 u8 loc_ch_info;
1943 const struct rtw_ch_switch_option cs_option = {
1944 .dest_ch_en = 1,
1945 .dest_ch = 1,
1946 .periodic_option = 2,
1947 .normal_period = 5,
1948 .normal_period_sel = 0,
1949 .normal_cycle = 10,
1950 .slow_period = 1,
1951 .slow_period_sel = 1,
1952 };
1953
1954 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
1955 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1956
1957 CH_SWITCH_SET_START(h2c_pkt, enable);
1958 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
1959 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
1960 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
1961 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
1962 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
1963 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
1964 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
1965 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
1966
1967 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
1968 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
1969
1970 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
1971 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
1972
1973 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1974 }
1975
rtw_fw_adaptivity(struct rtw_dev * rtwdev)1976 void rtw_fw_adaptivity(struct rtw_dev *rtwdev)
1977 {
1978 struct rtw_dm_info *dm_info = &rtwdev->dm_info;
1979 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1980
1981 if (!rtw_edcca_enabled) {
1982 dm_info->edcca_mode = RTW_EDCCA_NORMAL;
1983 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY,
1984 "EDCCA disabled by debugfs\n");
1985 }
1986
1987 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY);
1988 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode);
1989 SET_ADAPTIVITY_OPTION(h2c_pkt, 1);
1990 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]);
1991 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini);
1992 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density);
1993
1994 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
1995 }
1996
rtw_fw_scan_notify(struct rtw_dev * rtwdev,bool start)1997 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start)
1998 {
1999 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
2000
2001 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN);
2002 SET_SCAN_START(h2c_pkt, start);
2003
2004 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
2005 }
2006
rtw_append_probe_req_ie(struct rtw_dev * rtwdev,struct sk_buff * skb,struct sk_buff_head * list,u8 * bands,struct rtw_vif * rtwvif)2007 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb,
2008 struct sk_buff_head *list, u8 *bands,
2009 struct rtw_vif *rtwvif)
2010 {
2011 const struct rtw_chip_info *chip = rtwdev->chip;
2012 struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
2013 struct sk_buff *new;
2014 u8 idx;
2015
2016 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) {
2017 if (!(BIT(idx) & chip->band))
2018 continue;
2019 new = skb_copy(skb, GFP_KERNEL);
2020 if (!new)
2021 return -ENOMEM;
2022 skb_put_data(new, ies->ies[idx], ies->len[idx]);
2023 skb_put_data(new, ies->common_ies, ies->common_ie_len);
2024 skb_queue_tail(list, new);
2025 (*bands)++;
2026 }
2027
2028 return 0;
2029 }
2030
_rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,u8 num_probes,struct sk_buff_head * probe_req_list)2031 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes,
2032 struct sk_buff_head *probe_req_list)
2033 {
2034 const struct rtw_chip_info *chip = rtwdev->chip;
2035 struct sk_buff *skb, *tmp;
2036 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc;
2037 u8 tx_desc_sz = chip->tx_pkt_desc_sz;
2038 u16 page_size = chip->page_size;
2039 u8 page_offset = 1, *buf;
2040 u16 buf_offset = page_size * page_offset;
2041 unsigned int pkt_len;
2042 u8 page_cnt, pages;
2043 int ret;
2044
2045 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM))
2046 page_cnt = RTW_OLD_PROBE_PG_CNT;
2047 else
2048 page_cnt = RTW_PROBE_PG_CNT;
2049
2050 pages = page_offset + num_probes * page_cnt;
2051
2052 buf = kzalloc(page_size * pages, GFP_KERNEL);
2053 if (!buf)
2054 return -ENOMEM;
2055
2056 buf_offset -= tx_desc_sz;
2057 skb_queue_walk_safe(probe_req_list, skb, tmp) {
2058 skb_unlink(skb, probe_req_list);
2059 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ);
2060 if (skb->len > page_size * page_cnt) {
2061 ret = -EINVAL;
2062 goto out;
2063 }
2064
2065 memcpy(buf + buf_offset, skb->data, skb->len);
2066 pkt_len = skb->len - tx_desc_sz;
2067 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset;
2068 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc);
2069
2070 buf_offset += page_cnt * page_size;
2071 page_offset += page_cnt;
2072 kfree_skb(skb);
2073 }
2074
2075 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset);
2076 if (ret) {
2077 rtw_err(rtwdev, "Download probe request to firmware failed\n");
2078 goto out;
2079 }
2080
2081 rtwdev->scan_info.probe_pg_size = page_offset;
2082 out:
2083 kfree(buf);
2084 skb_queue_walk_safe(probe_req_list, skb, tmp)
2085 kfree_skb(skb);
2086
2087 return ret;
2088 }
2089
rtw_hw_scan_update_probe_req(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif)2090 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev,
2091 struct rtw_vif *rtwvif)
2092 {
2093 struct cfg80211_scan_request *req = rtwvif->scan_req;
2094 struct sk_buff_head list;
2095 struct sk_buff *skb, *tmp;
2096 u8 num = req->n_ssids, i, bands = 0;
2097 int ret;
2098
2099 skb_queue_head_init(&list);
2100 for (i = 0; i < num; i++) {
2101 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr,
2102 req->ssids[i].ssid,
2103 req->ssids[i].ssid_len,
2104 req->ie_len);
2105 if (!skb) {
2106 ret = -ENOMEM;
2107 goto out;
2108 }
2109 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands,
2110 rtwvif);
2111 if (ret)
2112 goto out;
2113
2114 kfree_skb(skb);
2115 }
2116
2117 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list);
2118
2119 out:
2120 skb_queue_walk_safe(&list, skb, tmp)
2121 kfree_skb(skb);
2122
2123 return ret;
2124 }
2125
rtw_add_chan_info(struct rtw_dev * rtwdev,struct rtw_chan_info * info,struct rtw_chan_list * list,u8 * buf)2126 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info,
2127 struct rtw_chan_list *list, u8 *buf)
2128 {
2129 u8 *chan = &buf[list->size];
2130 u8 info_size = RTW_CH_INFO_SIZE;
2131
2132 if (list->size > list->buf_size)
2133 return -ENOMEM;
2134
2135 CH_INFO_SET_CH(chan, info->channel);
2136 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx);
2137 CH_INFO_SET_BW(chan, info->bw);
2138 CH_INFO_SET_TIMEOUT(chan, info->timeout);
2139 CH_INFO_SET_ACTION_ID(chan, info->action_id);
2140 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info);
2141 if (info->extra_info) {
2142 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS);
2143 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN);
2144 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE -
2145 RTW_EX_CH_INFO_HDR_SIZE);
2146 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME);
2147 info_size += RTW_EX_CH_INFO_SIZE;
2148 }
2149 list->size += info_size;
2150 list->ch_num++;
2151
2152 return 0;
2153 }
2154
rtw_add_chan_list(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list,u8 * buf)2155 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2156 struct rtw_chan_list *list, u8 *buf)
2157 {
2158 struct cfg80211_scan_request *req = rtwvif->scan_req;
2159 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2160 struct ieee80211_channel *channel;
2161 int i, ret = 0;
2162
2163 for (i = 0; i < req->n_channels; i++) {
2164 struct rtw_chan_info ch_info = {0};
2165
2166 channel = req->channels[i];
2167 ch_info.channel = channel->hw_value;
2168 ch_info.bw = RTW_SCAN_WIDTH;
2169 ch_info.pri_ch_idx = RTW_PRI_CH_IDX;
2170 ch_info.timeout = req->duration_mandatory ?
2171 req->duration : RTW_CHANNEL_TIME;
2172
2173 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) {
2174 ch_info.action_id = RTW_CHANNEL_RADAR;
2175 ch_info.extra_info = 1;
2176 /* Overwrite duration for passive scans if necessary */
2177 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ?
2178 ch_info.timeout : RTW_PASS_CHAN_TIME;
2179 } else {
2180 ch_info.action_id = RTW_CHANNEL_ACTIVE;
2181 }
2182
2183 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf);
2184 if (ret)
2185 return ret;
2186 }
2187
2188 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) {
2189 rtw_err(rtwdev, "List exceeds rsvd page total size\n");
2190 return -EINVAL;
2191 }
2192
2193 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size;
2194 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size);
2195 if (ret)
2196 rtw_err(rtwdev, "Download channel list failed\n");
2197
2198 return ret;
2199 }
2200
rtw_fw_set_scan_offload(struct rtw_dev * rtwdev,struct rtw_ch_switch_option * opt,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2201 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev,
2202 struct rtw_ch_switch_option *opt,
2203 struct rtw_vif *rtwvif,
2204 struct rtw_chan_list *list)
2205 {
2206 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2207 struct cfg80211_scan_request *req = rtwvif->scan_req;
2208 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
2209 /* reserve one dummy page at the beginning for tx descriptor */
2210 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1;
2211 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN;
2212 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
2213
2214 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD);
2215 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN);
2216
2217 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en);
2218 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en);
2219 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq);
2220 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck);
2221 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num);
2222 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size);
2223 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary);
2224 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan);
2225 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx);
2226 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw);
2227 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port);
2228 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ?
2229 req->duration : RTW_CHANNEL_TIME);
2230 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME);
2231 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids);
2232 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc);
2233
2234 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
2235 }
2236
rtw_hw_scan_start(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_scan_request * scan_req)2237 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2238 struct ieee80211_scan_request *scan_req)
2239 {
2240 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
2241 struct cfg80211_scan_request *req = &scan_req->req;
2242 u8 mac_addr[ETH_ALEN];
2243
2244 rtwdev->scan_info.scanning_vif = vif;
2245 rtwvif->scan_ies = &scan_req->ies;
2246 rtwvif->scan_req = req;
2247
2248 ieee80211_stop_queues(rtwdev->hw);
2249 rtw_leave_lps_deep(rtwdev);
2250 rtw_hci_flush_all_queues(rtwdev, false);
2251 rtw_mac_flush_all_queues(rtwdev, false);
2252 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
2253 get_random_mask_addr(mac_addr, req->mac_addr,
2254 req->mac_addr_mask);
2255 else
2256 ether_addr_copy(mac_addr, vif->addr);
2257
2258 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true);
2259
2260 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN;
2261 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2262 }
2263
rtw_hw_scan_complete(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool aborted)2264 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2265 bool aborted)
2266 {
2267 struct cfg80211_scan_info info = {
2268 .aborted = aborted,
2269 };
2270 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2271 struct rtw_hal *hal = &rtwdev->hal;
2272 struct rtw_vif *rtwvif;
2273 u8 chan = scan_info->op_chan;
2274
2275 if (!vif)
2276 return;
2277
2278 rtwdev->hal.rcr |= BIT_CBSSID_BCN;
2279 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
2280
2281 rtw_core_scan_complete(rtwdev, vif, true);
2282
2283 rtwvif = (struct rtw_vif *)vif->drv_priv;
2284 if (chan)
2285 rtw_store_op_chan(rtwdev, false);
2286 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
2287 ieee80211_wake_queues(rtwdev->hw);
2288 ieee80211_scan_completed(rtwdev->hw, &info);
2289
2290 rtwvif->scan_req = NULL;
2291 rtwvif->scan_ies = NULL;
2292 rtwdev->scan_info.scanning_vif = NULL;
2293 }
2294
rtw_hw_scan_prehandle(struct rtw_dev * rtwdev,struct rtw_vif * rtwvif,struct rtw_chan_list * list)2295 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
2296 struct rtw_chan_list *list)
2297 {
2298 struct cfg80211_scan_request *req = rtwvif->scan_req;
2299 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE);
2300 u8 *buf;
2301 int ret;
2302
2303 buf = kmalloc(size, GFP_KERNEL);
2304 if (!buf)
2305 return -ENOMEM;
2306
2307 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif);
2308 if (ret) {
2309 rtw_err(rtwdev, "Update probe request failed\n");
2310 goto out;
2311 }
2312
2313 list->buf_size = size;
2314 list->size = 0;
2315 list->ch_num = 0;
2316 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf);
2317 out:
2318 kfree(buf);
2319
2320 return ret;
2321 }
2322
rtw_hw_scan_offload(struct rtw_dev * rtwdev,struct ieee80211_vif * vif,bool enable)2323 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
2324 bool enable)
2325 {
2326 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
2327 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2328 struct rtw_ch_switch_option cs_option = {0};
2329 struct rtw_chan_list chan_list = {0};
2330 int ret = 0;
2331
2332 if (!rtwvif)
2333 return -EINVAL;
2334
2335 cs_option.switch_en = enable;
2336 cs_option.back_op_en = scan_info->op_chan != 0;
2337 if (enable) {
2338 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
2339 if (ret)
2340 goto out;
2341 }
2342 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list);
2343 out:
2344 if (rtwdev->ap_active) {
2345 ret = rtw_download_beacon(rtwdev);
2346 if (ret)
2347 rtw_err(rtwdev, "HW scan download beacon failed\n");
2348 }
2349
2350 return ret;
2351 }
2352
rtw_hw_scan_abort(struct rtw_dev * rtwdev)2353 void rtw_hw_scan_abort(struct rtw_dev *rtwdev)
2354 {
2355 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2356
2357 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
2358 return;
2359
2360 rtw_hw_scan_offload(rtwdev, vif, false);
2361 rtw_hw_scan_complete(rtwdev, vif, true);
2362 }
2363
rtw_hw_scan_status_report(struct rtw_dev * rtwdev,struct sk_buff * skb)2364 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb)
2365 {
2366 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
2367 struct rtw_c2h_cmd *c2h;
2368 bool aborted;
2369 u8 rc;
2370
2371 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2372 return;
2373
2374 c2h = get_c2h_from_skb(skb);
2375 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload);
2376 aborted = rc != RTW_SCAN_REPORT_SUCCESS;
2377 rtw_hw_scan_complete(rtwdev, vif, aborted);
2378
2379 if (aborted)
2380 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc);
2381 }
2382
rtw_store_op_chan(struct rtw_dev * rtwdev,bool backup)2383 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup)
2384 {
2385 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2386 struct rtw_hal *hal = &rtwdev->hal;
2387 u8 band;
2388
2389 if (backup) {
2390 scan_info->op_chan = hal->current_channel;
2391 scan_info->op_bw = hal->current_band_width;
2392 scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
2393 scan_info->op_pri_ch = hal->primary_channel;
2394 } else {
2395 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2396 rtw_update_channel(rtwdev, scan_info->op_chan,
2397 scan_info->op_pri_ch,
2398 band, scan_info->op_bw);
2399 }
2400 }
2401
rtw_clear_op_chan(struct rtw_dev * rtwdev)2402 void rtw_clear_op_chan(struct rtw_dev *rtwdev)
2403 {
2404 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2405
2406 scan_info->op_chan = 0;
2407 scan_info->op_bw = 0;
2408 scan_info->op_pri_ch_idx = 0;
2409 scan_info->op_pri_ch = 0;
2410 }
2411
rtw_is_op_chan(struct rtw_dev * rtwdev,u8 channel)2412 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
2413 {
2414 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
2415
2416 return channel == scan_info->op_chan;
2417 }
2418
rtw_hw_scan_chan_switch(struct rtw_dev * rtwdev,struct sk_buff * skb)2419 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb)
2420 {
2421 struct rtw_hal *hal = &rtwdev->hal;
2422 struct rtw_c2h_cmd *c2h;
2423 enum rtw_scan_notify_id id;
2424 u8 chan, band, status;
2425
2426 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2427 return;
2428
2429 c2h = get_c2h_from_skb(skb);
2430 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload);
2431 id = GET_CHAN_SWITCH_ID(c2h->payload);
2432 status = GET_CHAN_SWITCH_STATUS(c2h->payload);
2433
2434 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) {
2435 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
2436 rtw_update_channel(rtwdev, chan, chan, band,
2437 RTW_CHANNEL_WIDTH_20);
2438 if (rtw_is_op_chan(rtwdev, chan)) {
2439 rtw_store_op_chan(rtwdev, false);
2440 ieee80211_wake_queues(rtwdev->hw);
2441 rtw_core_enable_beacon(rtwdev, true);
2442 }
2443 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) {
2444 if (IS_CH_5G_BAND(chan)) {
2445 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G);
2446 } else if (IS_CH_2G_BAND(chan)) {
2447 u8 chan_type;
2448
2449 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
2450 chan_type = COEX_SWITCH_TO_24G;
2451 else
2452 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN;
2453 rtw_coex_switchband_notify(rtwdev, chan_type);
2454 }
2455 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next
2456 * channel that hardware will switch. We need to stop queue
2457 * if next channel is non-op channel.
2458 */
2459 if (!rtw_is_op_chan(rtwdev, chan) &&
2460 rtw_is_op_chan(rtwdev, hal->current_channel)) {
2461 rtw_core_enable_beacon(rtwdev, false);
2462 ieee80211_stop_queues(rtwdev->hw);
2463 }
2464 }
2465
2466 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN,
2467 "Chan switch: %x, id: %x, status: %x\n", chan, id, status);
2468 }
2469