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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtw88 / fw.c
blob05c430b3489cbbe0e8306537099f750198dea793
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
3 */
4
5 #include "main.h"
6 #include "coex.h"
7 #include "fw.h"
8 #include "tx.h"
9 #include "reg.h"
10 #include "sec.h"
11 #include "debug.h"
12 #include "util.h"
13 #include "wow.h"
14
15 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
16 struct sk_buff *skb)
17 {
18 struct rtw_c2h_cmd *c2h;
19 u8 sub_cmd_id;
20
21 c2h = get_c2h_from_skb(skb);
22 sub_cmd_id = c2h->payload[0];
23
24 switch (sub_cmd_id) {
25 case C2H_CCX_RPT:
26 rtw_tx_report_handle(rtwdev, skb);
27 break;
28 default:
29 break;
30 }
31 }
32
33 static u16 get_max_amsdu_len(u32 bit_rate)
34 {
35 /* lower than ofdm, do not aggregate */
36 if (bit_rate < 550)
37 return 1;
38
39 /* lower than 20M 2ss mcs8, make it small */
40 if (bit_rate < 1800)
41 return 1200;
42
43 /* lower than 40M 2ss mcs9, make it medium */
44 if (bit_rate < 4000)
45 return 2600;
46
47 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */
48 if (bit_rate < 7000)
49 return 3500;
50
51 /* unlimited */
52 return 0;
53 }
54
55 struct rtw_fw_iter_ra_data {
56 struct rtw_dev *rtwdev;
57 u8 *payload;
58 };
59
60 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta)
61 {
62 struct rtw_fw_iter_ra_data *ra_data = data;
63 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
64 u8 mac_id, rate, sgi, bw;
65 u8 mcs, nss;
66 u32 bit_rate;
67
68 mac_id = GET_RA_REPORT_MACID(ra_data->payload);
69 if (si->mac_id != mac_id)
70 return;
71
72 si->ra_report.txrate.flags = 0;
73
74 rate = GET_RA_REPORT_RATE(ra_data->payload);
75 sgi = GET_RA_REPORT_SGI(ra_data->payload);
76 bw = GET_RA_REPORT_BW(ra_data->payload);
77
78 if (rate < DESC_RATEMCS0) {
79 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate);
80 goto legacy;
81 }
82
83 rtw_desc_to_mcsrate(rate, &mcs, &nss);
84 if (rate >= DESC_RATEVHT1SS_MCS0)
85 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
86 else if (rate >= DESC_RATEMCS0)
87 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS;
88
89 if (rate >= DESC_RATEMCS0) {
90 si->ra_report.txrate.mcs = mcs;
91 si->ra_report.txrate.nss = nss;
92 }
93
94 if (sgi)
95 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
96
97 if (bw == RTW_CHANNEL_WIDTH_80)
98 si->ra_report.txrate.bw = RATE_INFO_BW_80;
99 else if (bw == RTW_CHANNEL_WIDTH_40)
100 si->ra_report.txrate.bw = RATE_INFO_BW_40;
101 else
102 si->ra_report.txrate.bw = RATE_INFO_BW_20;
103
104 legacy:
105 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate);
106
107 si->ra_report.desc_rate = rate;
108 si->ra_report.bit_rate = bit_rate;
109
110 sta->max_rc_amsdu_len = get_max_amsdu_len(bit_rate);
111 }
112
113 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload,
114 u8 length)
115 {
116 struct rtw_fw_iter_ra_data ra_data;
117
118 if (WARN(length < 7, "invalid ra report c2h length\n"))
119 return;
120
121 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload);
122 ra_data.rtwdev = rtwdev;
123 ra_data.payload = payload;
124 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data);
125 }
126
127 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
128 {
129 struct rtw_c2h_cmd *c2h;
130 u32 pkt_offset;
131 u8 len;
132
133 pkt_offset = *((u32 *)skb->cb);
134 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
135 len = skb->len - pkt_offset - 2;
136
137 mutex_lock(&rtwdev->mutex);
138
139 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
140 goto unlock;
141
142 switch (c2h->id) {
143 case C2H_BT_INFO:
144 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
145 break;
146 case C2H_WLAN_INFO:
147 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
148 break;
149 case C2H_HALMAC:
150 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
151 break;
152 case C2H_RA_RPT:
153 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
154 break;
155 default:
156 break;
157 }
158
159 unlock:
160 mutex_unlock(&rtwdev->mutex);
161 }
162
163 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
164 struct sk_buff *skb)
165 {
166 struct rtw_c2h_cmd *c2h;
167 u8 len;
168
169 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
170 len = skb->len - pkt_offset - 2;
171 *((u32 *)skb->cb) = pkt_offset;
172
173 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
174 c2h->id, c2h->seq, len);
175
176 switch (c2h->id) {
177 case C2H_BT_MP_INFO:
178 rtw_coex_info_response(rtwdev, skb);
179 break;
180 default:
181 /* pass offset for further operation */
182 *((u32 *)skb->cb) = pkt_offset;
183 skb_queue_tail(&rtwdev->c2h_queue, skb);
184 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
185 break;
186 }
187 }
188 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
189
190 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
191 u8 *h2c)
192 {
193 u8 box;
194 u8 box_state;
195 u32 box_reg, box_ex_reg;
196 u32 h2c_wait;
197 int idx;
198
199 rtw_dbg(rtwdev, RTW_DBG_FW,
200 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
201 h2c[3], h2c[2], h2c[1], h2c[0],
202 h2c[7], h2c[6], h2c[5], h2c[4]);
203
204 spin_lock(&rtwdev->h2c.lock);
205
206 box = rtwdev->h2c.last_box_num;
207 switch (box) {
208 case 0:
209 box_reg = REG_HMEBOX0;
210 box_ex_reg = REG_HMEBOX0_EX;
211 break;
212 case 1:
213 box_reg = REG_HMEBOX1;
214 box_ex_reg = REG_HMEBOX1_EX;
215 break;
216 case 2:
217 box_reg = REG_HMEBOX2;
218 box_ex_reg = REG_HMEBOX2_EX;
219 break;
220 case 3:
221 box_reg = REG_HMEBOX3;
222 box_ex_reg = REG_HMEBOX3_EX;
223 break;
224 default:
225 WARN(1, "invalid h2c mail box number\n");
226 goto out;
227 }
228
229 h2c_wait = 20;
230 do {
231 box_state = rtw_read8(rtwdev, REG_HMETFR);
232 } while ((box_state >> box) & 0x1 && --h2c_wait > 0);
233
234 if (!h2c_wait) {
235 rtw_err(rtwdev, "failed to send h2c command\n");
236 goto out;
237 }
238
239 for (idx = 0; idx < 4; idx++)
240 rtw_write8(rtwdev, box_reg + idx, h2c[idx]);
241 for (idx = 0; idx < 4; idx++)
242 rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]);
243
244 if (++rtwdev->h2c.last_box_num >= 4)
245 rtwdev->h2c.last_box_num = 0;
246
247 out:
248 spin_unlock(&rtwdev->h2c.lock);
249 }
250
251 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
252 {
253 int ret;
254
255 spin_lock(&rtwdev->h2c.lock);
256
257 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
258 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
259 if (ret)
260 rtw_err(rtwdev, "failed to send h2c packet\n");
261 rtwdev->h2c.seq++;
262
263 spin_unlock(&rtwdev->h2c.lock);
264 }
265
266 void
267 rtw_fw_send_general_info(struct rtw_dev *rtwdev)
268 {
269 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
270 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
271 u16 total_size = H2C_PKT_HDR_SIZE + 4;
272
273 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
274
275 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
276
277 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
278 fifo->rsvd_fw_txbuf_addr -
279 fifo->rsvd_boundary);
280
281 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
282 }
283
284 void
285 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
286 {
287 struct rtw_hal *hal = &rtwdev->hal;
288 struct rtw_efuse *efuse = &rtwdev->efuse;
289 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
290 u16 total_size = H2C_PKT_HDR_SIZE + 8;
291 u8 fw_rf_type = 0;
292
293 if (hal->rf_type == RF_1T1R)
294 fw_rf_type = FW_RF_1T1R;
295 else if (hal->rf_type == RF_2T2R)
296 fw_rf_type = FW_RF_2T2R;
297
298 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
299
300 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
301 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
302 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
303 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
304 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
305 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
306
307 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
308 }
309
310 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
311 {
312 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
313 u16 total_size = H2C_PKT_HDR_SIZE + 1;
314
315 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
316 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
317 IQK_SET_CLEAR(h2c_pkt, para->clear);
318 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
319
320 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
321 }
322
323 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
324 {
325 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
326
327 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
328
329 SET_QUERY_BT_INFO(h2c_pkt, true);
330
331 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
332 }
333
334 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
335 {
336 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
337
338 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
339
340 SET_WL_CH_INFO_LINK(h2c_pkt, link);
341 SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
342 SET_WL_CH_INFO_BW(h2c_pkt, bw);
343
344 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
345 }
346
347 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
348 struct rtw_coex_info_req *req)
349 {
350 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
351
352 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
353
354 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
355 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
356 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
357 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
358 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
359
360 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
361 }
362
363 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
364 {
365 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
366 u8 index = 0 - bt_pwr_dec_lvl;
367
368 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
369
370 SET_BT_TX_POWER_INDEX(h2c_pkt, index);
371
372 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
373 }
374
375 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
376 {
377 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
378
379 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
380
381 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
382
383 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
384 }
385
386 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
387 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
388 {
389 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
390
391 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
392
393 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
394 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
395 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
396 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
397 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
398
399 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
400 }
401
402 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
403 {
404 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
405
406 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
407
408 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
409
410 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
411 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
412 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
413 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
414 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
415
416 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
417 }
418
419 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
420 {
421 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
422 u8 rssi = ewma_rssi_read(&si->avg_rssi);
423 bool stbc_en = si->stbc_en ? true : false;
424
425 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
426
427 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
428 SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
429 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
430
431 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
432 }
433
434 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
435 {
436 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
437 bool no_update = si->updated;
438 bool disable_pt = true;
439
440 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
441
442 SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
443 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
444 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
445 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
446 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
447 SET_RA_INFO_LDPC(h2c_pkt, si->ldpc_en);
448 SET_RA_INFO_NO_UPDATE(h2c_pkt, no_update);
449 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
450 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
451 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
452 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
453 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
454 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
455
456 si->init_ra_lv = 0;
457 si->updated = true;
458
459 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
460 }
461
462 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
463 {
464 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
465
466 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
467 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
468 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
469
470 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
471 }
472
473 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
474 {
475 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
476 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
477
478 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
479
480 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
481 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
482 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
483 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
484 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
485 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
486
487 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
488 }
489
490 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable)
491 {
492 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
493 struct rtw_fw_wow_keep_alive_para mode = {
494 .adopt = true,
495 .pkt_type = KEEP_ALIVE_NULL_PKT,
496 .period = 5,
497 };
498
499 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE);
500 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable);
501 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt);
502 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type);
503 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period);
504
505 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
506 }
507
508 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable)
509 {
510 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
511 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
512 struct rtw_fw_wow_disconnect_para mode = {
513 .adopt = true,
514 .period = 30,
515 .retry_count = 5,
516 };
517
518 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION);
519
520 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
521 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable);
522 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt);
523 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period);
524 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count);
525 }
526
527 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
528 }
529
530 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
531 {
532 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
533 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
534
535 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN);
536
537 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable);
538 if (rtw_wow_mgd_linked(rtwdev)) {
539 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
540 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable);
541 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
542 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);
543 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))
544 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);
545 if (rtw_wow->pattern_cnt)
546 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);
547 }
548
549 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
550 }
551
552 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev,
553 u8 pairwise_key_enc,
554 u8 group_key_enc)
555 {
556 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
557
558 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO);
559
560 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc);
561 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc);
562
563 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
564 }
565
566 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable)
567 {
568 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
569
570 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL);
571
572 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable);
573
574 if (rtw_wow_no_link(rtwdev))
575 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable);
576
577 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
578 }
579
580 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
581 enum rtw_rsvd_packet_type type)
582 {
583 struct rtw_rsvd_page *rsvd_pkt;
584 u8 location = 0;
585
586 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
587 if (type == rsvd_pkt->type)
588 location = rsvd_pkt->page;
589 }
590
591 return location;
592 }
593
594 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable)
595 {
596 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
597 u8 loc_nlo;
598
599 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO);
600
601 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO);
602
603 SET_NLO_FUN_EN(h2c_pkt, enable);
604 if (enable) {
605 if (rtw_fw_lps_deep_mode)
606 SET_NLO_PS_32K(h2c_pkt, enable);
607 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable);
608 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo);
609 }
610
611 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
612 }
613
614 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
615 {
616 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
617 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
618 u8 loc_pg, loc_dpk;
619
620 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO);
621 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK);
622
623 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO);
624
625 LPS_PG_INFO_LOC(h2c_pkt, loc_pg);
626 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);
627 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);
628 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);
629
630 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
631 }
632
633 u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
634 struct cfg80211_ssid *ssid)
635 {
636 struct rtw_rsvd_page *rsvd_pkt;
637 u8 location = 0;
638
639 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
640 if (rsvd_pkt->type != RSVD_PROBE_REQ)
641 continue;
642 if ((!ssid && !rsvd_pkt->ssid) ||
643 rtw_ssid_equal(rsvd_pkt->ssid, ssid))
644 location = rsvd_pkt->page;
645 }
646
647 return location;
648 }
649
650 u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
651 struct cfg80211_ssid *ssid)
652 {
653 struct rtw_rsvd_page *rsvd_pkt;
654 u16 size = 0;
655
656 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
657 if (rsvd_pkt->type != RSVD_PROBE_REQ)
658 continue;
659 if ((!ssid && !rsvd_pkt->ssid) ||
660 rtw_ssid_equal(rsvd_pkt->ssid, ssid))
661 size = rsvd_pkt->skb->len;
662 }
663
664 return size;
665 }
666
667 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
668 {
669 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
670 u8 location = 0;
671
672 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
673
674 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
675 *(h2c_pkt + 1) = location;
676 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
677
678 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
679 *(h2c_pkt + 2) = location;
680 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
681
682 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
683 *(h2c_pkt + 3) = location;
684 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
685
686 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
687 *(h2c_pkt + 4) = location;
688 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
689
690 rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
691 }
692
693 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw)
694 {
695 struct rtw_dev *rtwdev = hw->priv;
696 struct rtw_chip_info *chip = rtwdev->chip;
697 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
698 struct rtw_nlo_info_hdr *nlo_hdr;
699 struct cfg80211_ssid *ssid;
700 struct sk_buff *skb;
701 u8 *pos, loc;
702 u32 size;
703 int i;
704
705 if (!pno_req->inited || !pno_req->match_set_cnt)
706 return NULL;
707
708 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt *
709 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz;
710
711 skb = alloc_skb(size, GFP_KERNEL);
712 if (!skb)
713 return NULL;
714
715 skb_reserve(skb, chip->tx_pkt_desc_sz);
716
717 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr));
718
719 nlo_hdr->nlo_count = pno_req->match_set_cnt;
720 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt;
721
722 /* pattern check for firmware */
723 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE);
724
725 for (i = 0; i < pno_req->match_set_cnt; i++)
726 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len;
727
728 for (i = 0; i < pno_req->match_set_cnt; i++) {
729 ssid = &pno_req->match_sets[i].ssid;
730 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
731 if (!loc) {
732 rtw_err(rtwdev, "failed to get probe req rsvd loc\n");
733 kfree_skb(skb);
734 return NULL;
735 }
736 nlo_hdr->location[i] = loc;
737 }
738
739 for (i = 0; i < pno_req->match_set_cnt; i++) {
740 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN);
741 memcpy(pos, pno_req->match_sets[i].ssid.ssid,
742 pno_req->match_sets[i].ssid.ssid_len);
743 }
744
745 return skb;
746 }
747
748 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw)
749 {
750 struct rtw_dev *rtwdev = hw->priv;
751 struct rtw_chip_info *chip = rtwdev->chip;
752 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req;
753 struct ieee80211_channel *channels = pno_req->channels;
754 struct sk_buff *skb;
755 int count = pno_req->channel_cnt;
756 u8 *pos;
757 int i = 0;
758
759 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL);
760 if (!skb)
761 return NULL;
762
763 skb_reserve(skb, chip->tx_pkt_desc_sz);
764
765 for (i = 0; i < count; i++) {
766 pos = skb_put_zero(skb, 4);
767
768 CHSW_INFO_SET_CH(pos, channels[i].hw_value);
769
770 if (channels[i].flags & IEEE80211_CHAN_RADAR)
771 CHSW_INFO_SET_ACTION_ID(pos, 0);
772 else
773 CHSW_INFO_SET_ACTION_ID(pos, 1);
774 CHSW_INFO_SET_TIMEOUT(pos, 1);
775 CHSW_INFO_SET_PRI_CH_IDX(pos, 1);
776 CHSW_INFO_SET_BW(pos, 0);
777 }
778
779 return skb;
780 }
781
782 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw)
783 {
784 struct rtw_dev *rtwdev = hw->priv;
785 struct rtw_chip_info *chip = rtwdev->chip;
786 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
787 struct rtw_lps_pg_dpk_hdr *dpk_hdr;
788 struct sk_buff *skb;
789 u32 size;
790
791 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr);
792 skb = alloc_skb(size, GFP_KERNEL);
793 if (!skb)
794 return NULL;
795
796 skb_reserve(skb, chip->tx_pkt_desc_sz);
797 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr));
798 dpk_hdr->dpk_ch = dpk_info->dpk_ch;
799 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0];
800 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2);
801 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4);
802 memcpy(dpk_hdr->coef, dpk_info->coef, 160);
803
804 return skb;
805 }
806
807 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw)
808 {
809 struct rtw_dev *rtwdev = hw->priv;
810 struct rtw_chip_info *chip = rtwdev->chip;
811 struct rtw_lps_conf *conf = &rtwdev->lps_conf;
812 struct rtw_lps_pg_info_hdr *pg_info_hdr;
813 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
814 struct sk_buff *skb;
815 u32 size;
816
817 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr);
818 skb = alloc_skb(size, GFP_KERNEL);
819 if (!skb)
820 return NULL;
821
822 skb_reserve(skb, chip->tx_pkt_desc_sz);
823 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr));
824 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num;
825 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
826 pg_info_hdr->sec_cam_count =
827 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);
828 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;
829
830 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;
831 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;
832
833 return skb;
834 }
835
836 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
837 struct rtw_rsvd_page *rsvd_pkt)
838 {
839 struct ieee80211_vif *vif;
840 struct rtw_vif *rtwvif;
841 struct sk_buff *skb_new;
842 struct cfg80211_ssid *ssid;
843
844 if (rsvd_pkt->type == RSVD_DUMMY) {
845 skb_new = alloc_skb(1, GFP_KERNEL);
846 if (!skb_new)
847 return NULL;
848
849 skb_put(skb_new, 1);
850 return skb_new;
851 }
852
853 rtwvif = rsvd_pkt->rtwvif;
854 if (!rtwvif)
855 return NULL;
856
857 vif = rtwvif_to_vif(rtwvif);
858
859 switch (rsvd_pkt->type) {
860 case RSVD_BEACON:
861 skb_new = ieee80211_beacon_get(hw, vif);
862 break;
863 case RSVD_PS_POLL:
864 skb_new = ieee80211_pspoll_get(hw, vif);
865 break;
866 case RSVD_PROBE_RESP:
867 skb_new = ieee80211_proberesp_get(hw, vif);
868 break;
869 case RSVD_NULL:
870 skb_new = ieee80211_nullfunc_get(hw, vif, false);
871 break;
872 case RSVD_QOS_NULL:
873 skb_new = ieee80211_nullfunc_get(hw, vif, true);
874 break;
875 case RSVD_LPS_PG_DPK:
876 skb_new = rtw_lps_pg_dpk_get(hw);
877 break;
878 case RSVD_LPS_PG_INFO:
879 skb_new = rtw_lps_pg_info_get(hw);
880 break;
881 case RSVD_PROBE_REQ:
882 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid;
883 if (ssid)
884 skb_new = ieee80211_probereq_get(hw, vif->addr,
885 ssid->ssid,
886 ssid->ssid_len, 0);
887 else
888 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0);
889 break;
890 case RSVD_NLO_INFO:
891 skb_new = rtw_nlo_info_get(hw);
892 break;
893 case RSVD_CH_INFO:
894 skb_new = rtw_cs_channel_info_get(hw);
895 break;
896 default:
897 return NULL;
898 }
899
900 if (!skb_new)
901 return NULL;
902
903 return skb_new;
904 }
905
906 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb)
907 {
908 struct rtw_tx_pkt_info pkt_info;
909 struct rtw_chip_info *chip = rtwdev->chip;
910 u8 *pkt_desc;
911
912 memset(&pkt_info, 0, sizeof(pkt_info));
913 rtw_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb);
914 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
915 memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
916 rtw_tx_fill_tx_desc(&pkt_info, skb);
917 }
918
919 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)
920 {
921 return DIV_ROUND_UP(len, page_size);
922 }
923
924 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,
925 u8 page_margin, u32 page, u8 *buf,
926 struct rtw_rsvd_page *rsvd_pkt)
927 {
928 struct sk_buff *skb = rsvd_pkt->skb;
929
930 if (page >= 1)
931 memcpy(buf + page_margin + page_size * (page - 1),
932 skb->data, skb->len);
933 else
934 memcpy(buf, skb->data, skb->len);
935 }
936
937 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev,
938 enum rtw_rsvd_packet_type type,
939 bool txdesc)
940 {
941 struct rtw_rsvd_page *rsvd_pkt = NULL;
942
943 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
944
945 if (!rsvd_pkt)
946 return NULL;
947
948 INIT_LIST_HEAD(&rsvd_pkt->vif_list);
949 INIT_LIST_HEAD(&rsvd_pkt->build_list);
950 rsvd_pkt->type = type;
951 rsvd_pkt->add_txdesc = txdesc;
952
953 return rsvd_pkt;
954 }
955
956 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev,
957 struct rtw_vif *rtwvif,
958 struct rtw_rsvd_page *rsvd_pkt)
959 {
960 lockdep_assert_held(&rtwdev->mutex);
961
962 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list);
963 }
964
965 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev,
966 struct rtw_vif *rtwvif,
967 enum rtw_rsvd_packet_type type,
968 bool txdesc)
969 {
970 struct rtw_rsvd_page *rsvd_pkt;
971
972 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc);
973 if (!rsvd_pkt) {
974 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type);
975 return;
976 }
977
978 rsvd_pkt->rtwvif = rtwvif;
979 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
980 }
981
982 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev,
983 struct rtw_vif *rtwvif,
984 struct cfg80211_ssid *ssid)
985 {
986 struct rtw_rsvd_page *rsvd_pkt;
987
988 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true);
989 if (!rsvd_pkt) {
990 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n");
991 return;
992 }
993
994 rsvd_pkt->rtwvif = rtwvif;
995 rsvd_pkt->ssid = ssid;
996 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt);
997 }
998
999 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev,
1000 struct rtw_vif *rtwvif)
1001 {
1002 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1003
1004 lockdep_assert_held(&rtwdev->mutex);
1005
1006 /* remove all of the rsvd pages for vif */
1007 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list,
1008 vif_list) {
1009 list_del(&rsvd_pkt->vif_list);
1010 if (!list_empty(&rsvd_pkt->build_list))
1011 list_del(&rsvd_pkt->build_list);
1012 kfree(rsvd_pkt);
1013 }
1014 }
1015
1016 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev,
1017 struct rtw_vif *rtwvif)
1018 {
1019 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1020
1021 if (vif->type != NL80211_IFTYPE_AP &&
1022 vif->type != NL80211_IFTYPE_ADHOC &&
1023 vif->type != NL80211_IFTYPE_MESH_POINT) {
1024 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n",
1025 vif->type);
1026 return;
1027 }
1028
1029 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false);
1030 }
1031
1032 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev,
1033 struct rtw_vif *rtwvif)
1034 {
1035 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1036 struct rtw_wow_param *rtw_wow = &rtwdev->wow;
1037 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req;
1038 struct cfg80211_ssid *ssid;
1039 int i;
1040
1041 if (vif->type != NL80211_IFTYPE_STATION) {
1042 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n",
1043 vif->type);
1044 return;
1045 }
1046
1047 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) {
1048 ssid = &rtw_pno_req->match_sets[i].ssid;
1049 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid);
1050 }
1051
1052 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL);
1053 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false);
1054 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true);
1055 }
1056
1057 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev,
1058 struct rtw_vif *rtwvif)
1059 {
1060 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
1061
1062 if (vif->type != NL80211_IFTYPE_STATION) {
1063 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n",
1064 vif->type);
1065 return;
1066 }
1067
1068 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true);
1069 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true);
1070 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true);
1071 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true);
1072 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true);
1073 }
1074
1075 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
1076 u8 *buf, u32 size)
1077 {
1078 u8 bckp[2];
1079 u8 val;
1080 u16 rsvd_pg_head;
1081 int ret;
1082
1083 lockdep_assert_held(&rtwdev->mutex);
1084
1085 if (!size)
1086 return -EINVAL;
1087
1088 pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
1089 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr | BIT_BCN_VALID_V1);
1090
1091 val = rtw_read8(rtwdev, REG_CR + 1);
1092 bckp[0] = val;
1093 val |= BIT_ENSWBCN >> 8;
1094 rtw_write8(rtwdev, REG_CR + 1, val);
1095
1096 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
1097 bckp[1] = val;
1098 val &= ~(BIT_EN_BCNQ_DL >> 16);
1099 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
1100
1101 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
1102 if (ret) {
1103 rtw_err(rtwdev, "failed to write data to rsvd page\n");
1104 goto restore;
1105 }
1106
1107 if (!check_hw_ready(rtwdev, REG_FIFOPAGE_CTRL_2, BIT_BCN_VALID_V1, 1)) {
1108 rtw_err(rtwdev, "error beacon valid\n");
1109 ret = -EBUSY;
1110 }
1111
1112 restore:
1113 rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
1114 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
1115 rsvd_pg_head | BIT_BCN_VALID_V1);
1116 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
1117 rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
1118
1119 return ret;
1120 }
1121
1122 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
1123 {
1124 u32 pg_size;
1125 u32 pg_num = 0;
1126 u16 pg_addr = 0;
1127
1128 pg_size = rtwdev->chip->page_size;
1129 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
1130 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
1131 return -ENOMEM;
1132
1133 pg_addr = rtwdev->fifo.rsvd_drv_addr;
1134
1135 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
1136 }
1137
1138 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev)
1139 {
1140 struct rtw_rsvd_page *rsvd_pkt, *tmp;
1141
1142 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
1143 build_list) {
1144 list_del_init(&rsvd_pkt->build_list);
1145
1146 /* Don't free except for the dummy rsvd page,
1147 * others will be freed when removing vif
1148 */
1149 if (rsvd_pkt->type == RSVD_DUMMY)
1150 kfree(rsvd_pkt);
1151 }
1152 }
1153
1154 static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
1155 struct ieee80211_vif *vif)
1156 {
1157 struct rtw_dev *rtwdev = data;
1158 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
1159 struct rtw_rsvd_page *rsvd_pkt;
1160
1161 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
1162 if (rsvd_pkt->type == RSVD_BEACON)
1163 list_add(&rsvd_pkt->build_list,
1164 &rtwdev->rsvd_page_list);
1165 else
1166 list_add_tail(&rsvd_pkt->build_list,
1167 &rtwdev->rsvd_page_list);
1168 }
1169 }
1170
1171 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev)
1172 {
1173 struct rtw_rsvd_page *rsvd_pkt;
1174
1175 __rtw_build_rsvd_page_reset(rtwdev);
1176
1177 /* gather rsvd page from vifs */
1178 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev);
1179
1180 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1181 struct rtw_rsvd_page, build_list);
1182 if (!rsvd_pkt) {
1183 WARN(1, "Should not have an empty reserved page\n");
1184 return -EINVAL;
1185 }
1186
1187 /* the first rsvd should be beacon, otherwise add a dummy one */
1188 if (rsvd_pkt->type != RSVD_BEACON) {
1189 struct rtw_rsvd_page *dummy_pkt;
1190
1191 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false);
1192 if (!dummy_pkt) {
1193 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n");
1194 return -ENOMEM;
1195 }
1196
1197 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list);
1198 }
1199
1200 return 0;
1201 }
1202
1203 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size)
1204 {
1205 struct ieee80211_hw *hw = rtwdev->hw;
1206 struct rtw_chip_info *chip = rtwdev->chip;
1207 struct sk_buff *iter;
1208 struct rtw_rsvd_page *rsvd_pkt;
1209 u32 page = 0;
1210 u8 total_page = 0;
1211 u8 page_size, page_margin, tx_desc_sz;
1212 u8 *buf;
1213 int ret;
1214
1215 page_size = chip->page_size;
1216 tx_desc_sz = chip->tx_pkt_desc_sz;
1217 page_margin = page_size - tx_desc_sz;
1218
1219 ret = __rtw_build_rsvd_page_from_vifs(rtwdev);
1220 if (ret) {
1221 rtw_err(rtwdev,
1222 "failed to build rsvd page from vifs, ret %d\n", ret);
1223 return NULL;
1224 }
1225
1226 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1227 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1228 if (!iter) {
1229 rtw_err(rtwdev, "failed to build rsvd packet\n");
1230 goto release_skb;
1231 }
1232
1233 /* Fill the tx_desc for the rsvd pkt that requires one.
1234 * And iter->len will be added with size of tx_desc_sz.
1235 */
1236 if (rsvd_pkt->add_txdesc)
1237 rtw_fill_rsvd_page_desc(rtwdev, iter);
1238
1239 rsvd_pkt->skb = iter;
1240 rsvd_pkt->page = total_page;
1241
1242 /* Reserved page is downloaded via TX path, and TX path will
1243 * generate a tx_desc at the header to describe length of
1244 * the buffer. If we are not counting page numbers with the
1245 * size of tx_desc added at the first rsvd_pkt (usually a
1246 * beacon, firmware default refer to the first page as the
1247 * content of beacon), we could generate a buffer which size
1248 * is smaller than the actual size of the whole rsvd_page
1249 */
1250 if (total_page == 0) {
1251 if (rsvd_pkt->type != RSVD_BEACON &&
1252 rsvd_pkt->type != RSVD_DUMMY) {
1253 rtw_err(rtwdev, "first page should be a beacon\n");
1254 goto release_skb;
1255 }
1256 total_page += rtw_len_to_page(iter->len + tx_desc_sz,
1257 page_size);
1258 } else {
1259 total_page += rtw_len_to_page(iter->len, page_size);
1260 }
1261 }
1262
1263 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
1264 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
1265 goto release_skb;
1266 }
1267
1268 *size = (total_page - 1) * page_size + page_margin;
1269 buf = kzalloc(*size, GFP_KERNEL);
1270 if (!buf)
1271 goto release_skb;
1272
1273 /* Copy the content of each rsvd_pkt to the buf, and they should
1274 * be aligned to the pages.
1275 *
1276 * Note that the first rsvd_pkt is a beacon no matter what vif->type.
1277 * And that rsvd_pkt does not require tx_desc because when it goes
1278 * through TX path, the TX path will generate one for it.
1279 */
1280 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1281 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
1282 page, buf, rsvd_pkt);
1283 if (page == 0)
1284 page += rtw_len_to_page(rsvd_pkt->skb->len +
1285 tx_desc_sz, page_size);
1286 else
1287 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
1288
1289 kfree_skb(rsvd_pkt->skb);
1290 rsvd_pkt->skb = NULL;
1291 }
1292
1293 return buf;
1294
1295 release_skb:
1296 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) {
1297 kfree_skb(rsvd_pkt->skb);
1298 rsvd_pkt->skb = NULL;
1299 }
1300
1301 return NULL;
1302 }
1303
1304 static int rtw_download_beacon(struct rtw_dev *rtwdev)
1305 {
1306 struct ieee80211_hw *hw = rtwdev->hw;
1307 struct rtw_rsvd_page *rsvd_pkt;
1308 struct sk_buff *skb;
1309 int ret = 0;
1310
1311 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list,
1312 struct rtw_rsvd_page, build_list);
1313 if (!rsvd_pkt) {
1314 rtw_err(rtwdev, "failed to get rsvd page from build list\n");
1315 return -ENOENT;
1316 }
1317
1318 if (rsvd_pkt->type != RSVD_BEACON &&
1319 rsvd_pkt->type != RSVD_DUMMY) {
1320 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n",
1321 rsvd_pkt->type);
1322 return -EINVAL;
1323 }
1324
1325 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt);
1326 if (!skb) {
1327 rtw_err(rtwdev, "failed to get beacon skb\n");
1328 return -ENOMEM;
1329 }
1330
1331 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
1332 if (ret)
1333 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1334
1335 dev_kfree_skb(skb);
1336
1337 return ret;
1338 }
1339
1340 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev)
1341 {
1342 u8 *buf;
1343 u32 size;
1344 int ret;
1345
1346 buf = rtw_build_rsvd_page(rtwdev, &size);
1347 if (!buf) {
1348 rtw_err(rtwdev, "failed to build rsvd page pkt\n");
1349 return -ENOMEM;
1350 }
1351
1352 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
1353 if (ret) {
1354 rtw_err(rtwdev, "failed to download drv rsvd page\n");
1355 goto free;
1356 }
1357
1358 /* The last thing is to download the *ONLY* beacon again, because
1359 * the previous tx_desc is to describe the total rsvd page. Download
1360 * the beacon again to replace the TX desc header, and we will get
1361 * a correct tx_desc for the beacon in the rsvd page.
1362 */
1363 ret = rtw_download_beacon(rtwdev);
1364 if (ret) {
1365 rtw_err(rtwdev, "failed to download beacon\n");
1366 goto free;
1367 }
1368
1369 free:
1370 kfree(buf);
1371
1372 return ret;
1373 }
1374
1375 int rtw_dump_drv_rsvd_page(struct rtw_dev *rtwdev,
1376 u32 offset, u32 size, u32 *buf)
1377 {
1378 struct rtw_fifo_conf *fifo = &rtwdev->fifo;
1379 u32 residue, i;
1380 u16 start_pg;
1381 u16 idx = 0;
1382 u16 ctl;
1383 u8 rcr;
1384
1385 if (size & 0x3) {
1386 rtw_warn(rtwdev, "should be 4-byte aligned\n");
1387 return -EINVAL;
1388 }
1389
1390 offset += fifo->rsvd_boundary << TX_PAGE_SIZE_SHIFT;
1391 residue = offset & (FIFO_PAGE_SIZE - 1);
1392 start_pg = offset >> FIFO_PAGE_SIZE_SHIFT;
1393 start_pg += RSVD_PAGE_START_ADDR;
1394
1395 rcr = rtw_read8(rtwdev, REG_RCR + 2);
1396 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
1397
1398 /* disable rx clock gate */
1399 rtw_write8(rtwdev, REG_RCR, rcr | BIT(3));
1400
1401 do {
1402 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
1403
1404 for (i = FIFO_DUMP_ADDR + residue;
1405 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
1406 buf[idx++] = rtw_read32(rtwdev, i);
1407 size -= 4;
1408 if (size == 0)
1409 goto out;
1410 }
1411
1412 residue = 0;
1413 start_pg++;
1414 } while (size);
1415
1416 out:
1417 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
1418 rtw_write8(rtwdev, REG_RCR + 2, rcr);
1419 return 0;
1420 }
1421
1422 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size,
1423 u8 location)
1424 {
1425 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1426 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN;
1427
1428 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT);
1429
1430 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1431 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id);
1432 UPDATE_PKT_SET_LOCATION(h2c_pkt, location);
1433
1434 /* include txdesc size */
1435 UPDATE_PKT_SET_SIZE(h2c_pkt, size);
1436
1437 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1438 }
1439
1440 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
1441 struct cfg80211_ssid *ssid)
1442 {
1443 u8 loc;
1444 u32 size;
1445
1446 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid);
1447 if (!loc) {
1448 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n");
1449 return;
1450 }
1451
1452 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid);
1453 if (!size) {
1454 rtw_err(rtwdev, "failed to get probe_req rsvd size\n");
1455 return;
1456 }
1457
1458 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc);
1459 }
1460
1461 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable)
1462 {
1463 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req;
1464 u8 h2c_pkt[H2C_PKT_SIZE] = {0};
1465 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN;
1466 u8 loc_ch_info;
1467 const struct rtw_ch_switch_option cs_option = {
1468 .dest_ch_en = 1,
1469 .dest_ch = 1,
1470 .periodic_option = 2,
1471 .normal_period = 5,
1472 .normal_period_sel = 0,
1473 .normal_cycle = 10,
1474 .slow_period = 1,
1475 .slow_period_sel = 1,
1476 };
1477
1478 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH);
1479 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
1480
1481 CH_SWITCH_SET_START(h2c_pkt, enable);
1482 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en);
1483 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch);
1484 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period);
1485 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel);
1486 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period);
1487 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel);
1488 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle);
1489 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option);
1490
1491 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt);
1492 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4);
1493
1494 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO);
1495 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info);
1496
1497 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
1498 }
Linux with added FPC-III support