forked from openwrt/mt76
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmcu.c
1564 lines (1338 loc) · 36.7 KB
/
mcu.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Roy Luo <[email protected]>
* Ryder Lee <[email protected]>
*/
#include <linux/firmware.h>
#include "mt7615.h"
#include "mcu.h"
#include "mac.h"
#include "eeprom.h"
struct mt7615_patch_hdr {
char build_date[16];
char platform[4];
__be32 hw_sw_ver;
__be32 patch_ver;
__be16 checksum;
} __packed;
struct mt7615_fw_trailer {
__le32 addr;
u8 chip_id;
u8 feature_set;
u8 eco_code;
char fw_ver[10];
char build_date[15];
__le32 len;
} __packed;
#define MCU_PATCH_ADDRESS 0x80000
#define N9_REGION_NUM 2
#define CR4_REGION_NUM 1
#define IMG_CRC_LEN 4
#define FW_FEATURE_SET_ENCRYPT BIT(0)
#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
#define DL_MODE_ENCRYPT BIT(0)
#define DL_MODE_KEY_IDX GENMASK(2, 1)
#define DL_MODE_RESET_SEC_IV BIT(3)
#define DL_MODE_WORKING_PDA_CR4 BIT(4)
#define DL_MODE_NEED_RSP BIT(31)
#define FW_START_OVERRIDE BIT(0)
#define FW_START_WORKING_PDA_CR4 BIT(2)
static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
{
struct mt7615_mcu_txd *mcu_txd;
u8 seq, q_idx, pkt_fmt;
enum mt76_txq_id qid;
u32 val;
__le32 *txd;
seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
if (!seq)
seq = ++dev->mt76.mmio.mcu.msg_seq & 0xf;
mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb,
sizeof(struct mt7615_mcu_txd));
memset(mcu_txd, 0, sizeof(struct mt7615_mcu_txd));
if (cmd != -MCU_CMD_FW_SCATTER) {
q_idx = MT_TX_MCU_PORT_RX_Q0;
pkt_fmt = MT_TX_TYPE_CMD;
} else {
q_idx = MT_TX_MCU_PORT_RX_FWDL;
pkt_fmt = MT_TX_TYPE_FW;
}
txd = mcu_txd->txd;
val = FIELD_PREP(MT_TXD0_TX_BYTES, cpu_to_le16(skb->len)) |
FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_MCU) |
FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
txd[0] = cpu_to_le32(val);
val = MT_TXD1_LONG_FORMAT |
FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD) |
FIELD_PREP(MT_TXD1_PKT_FMT, pkt_fmt);
txd[1] = cpu_to_le32(val);
mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, q_idx));
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
if (cmd < 0) {
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->cid = -cmd;
} else {
mcu_txd->cid = MCU_CMD_EXT_CID;
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->ext_cid = cmd;
mcu_txd->ext_cid_ack = 1;
}
mcu_txd->s2d_index = MCU_S2D_H2N;
if (wait_seq)
*wait_seq = seq;
if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state))
qid = MT_TXQ_MCU;
else
qid = MT_TXQ_FWDL;
return mt76_tx_queue_skb_raw(dev, qid, skb, 0);
}
static int
mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int len, bool wait_resp)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
unsigned long expires = jiffies + 10 * HZ;
struct mt7615_mcu_rxd *rxd;
struct sk_buff *skb;
int ret, seq;
skb = mt7615_mcu_msg_alloc(data, len);
if (!skb)
return -ENOMEM;
mutex_lock(&mdev->mmio.mcu.mutex);
ret = __mt7615_mcu_msg_send(dev, skb, cmd, &seq);
if (ret)
goto out;
while (wait_resp) {
skb = mt76_mcu_get_response(mdev, expires);
if (!skb) {
dev_err(mdev->dev, "Message %d (seq %d) timeout\n",
cmd, seq);
ret = -ETIMEDOUT;
break;
}
rxd = (struct mt7615_mcu_rxd *)skb->data;
if (seq != rxd->seq)
continue;
if (cmd == -MCU_CMD_PATCH_SEM_CONTROL) {
skb_pull(skb, sizeof(*rxd) - 4);
ret = *skb->data;
}
dev_kfree_skb(skb);
break;
}
out:
mutex_unlock(&mdev->mmio.mcu.mutex);
return ret;
}
static int mt7615_mcu_init_download(struct mt7615_dev *dev, u32 addr,
u32 len, u32 mode)
{
struct {
__le32 addr;
__le32 len;
__le32 mode;
} req = {
.addr = cpu_to_le32(addr),
.len = cpu_to_le32(len),
.mode = cpu_to_le32(mode),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
&req, sizeof(req), true);
}
static int mt7615_mcu_send_firmware(struct mt7615_dev *dev, const void *data,
int len)
{
int ret = 0, cur_len;
while (len > 0) {
cur_len = min_t(int, 4096 - sizeof(struct mt7615_mcu_txd),
len);
ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
data, cur_len, false);
if (ret)
break;
data += cur_len;
len -= cur_len;
}
return ret;
}
static int mt7615_mcu_start_firmware(struct mt7615_dev *dev, u32 addr,
u32 option)
{
struct {
__le32 option;
__le32 addr;
} req = {
.option = cpu_to_le32(option),
.addr = cpu_to_le32(addr),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
&req, sizeof(req), true);
}
static int mt7615_mcu_restart(struct mt76_dev *dev)
{
return __mt76_mcu_send_msg(dev, -MCU_CMD_RESTART_DL_REQ, NULL,
0, true);
}
static int mt7615_mcu_patch_sem_ctrl(struct mt7615_dev *dev, bool get)
{
struct {
__le32 op;
} req = {
.op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
&req, sizeof(req), true);
}
static int mt7615_mcu_start_patch(struct mt7615_dev *dev)
{
struct {
u8 check_crc;
u8 reserved[3];
} req = {
.check_crc = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
&req, sizeof(req), true);
}
static int mt7615_driver_own(struct mt7615_dev *dev)
{
mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_DRV_OWN);
if (!mt76_poll_msec(dev, MT_CFG_LPCR_HOST,
MT_CFG_LPCR_HOST_FW_OWN, 0, 500)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
return 0;
}
static int mt7615_load_patch(struct mt7615_dev *dev)
{
const struct firmware *fw;
const struct mt7615_patch_hdr *hdr;
const char *firmware = MT7615_ROM_PATCH;
int len, ret, sem;
sem = mt7615_mcu_patch_sem_ctrl(dev, 1);
switch (sem) {
case PATCH_IS_DL:
return 0;
case PATCH_NOT_DL_SEM_SUCCESS:
break;
default:
dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
return -EAGAIN;
}
ret = request_firmware(&fw, firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_patch_hdr *)(fw->data);
dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
len = fw->size - sizeof(*hdr);
ret = mt7615_mcu_init_download(dev, MCU_PATCH_ADDRESS, len,
DL_MODE_NEED_RSP);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + sizeof(*hdr), len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
ret = mt7615_mcu_start_patch(dev);
if (ret)
dev_err(dev->mt76.dev, "Failed to start patch\n");
out:
release_firmware(fw);
sem = mt7615_mcu_patch_sem_ctrl(dev, 0);
switch (sem) {
case PATCH_REL_SEM_SUCCESS:
break;
default:
ret = -EAGAIN;
dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
break;
}
return ret;
}
static u32 gen_dl_mode(u8 feature_set, bool is_cr4)
{
u32 ret = 0;
ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
(DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
ret |= FIELD_PREP(DL_MODE_KEY_IDX,
FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
ret |= DL_MODE_NEED_RSP;
ret |= is_cr4 ? DL_MODE_WORKING_PDA_CR4 : 0;
return ret;
}
static int mt7615_load_ram(struct mt7615_dev *dev)
{
const struct firmware *fw;
const struct mt7615_fw_trailer *hdr;
const char *n9_firmware = MT7615_FIRMWARE_N9;
const char *cr4_firmware = MT7615_FIRMWARE_CR4;
u32 n9_ilm_addr, offset;
int i, ret;
ret = request_firmware(&fw, n9_firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < N9_REGION_NUM * sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
N9_REGION_NUM * sizeof(*hdr));
dev_info(dev->mt76.dev, "N9 Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
n9_ilm_addr = le32_to_cpu(hdr->addr);
for (offset = 0, i = 0; i < N9_REGION_NUM; i++) {
u32 len, addr, mode;
len = le32_to_cpu(hdr[i].len) + IMG_CRC_LEN;
addr = le32_to_cpu(hdr[i].addr);
mode = gen_dl_mode(hdr[i].feature_set, false);
ret = mt7615_mcu_init_download(dev, addr, len, mode);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + offset, len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
offset += len;
}
ret = mt7615_mcu_start_firmware(dev, n9_ilm_addr, FW_START_OVERRIDE);
if (ret) {
dev_err(dev->mt76.dev, "Failed to start N9 firmware\n");
goto out;
}
release_firmware(fw);
ret = request_firmware(&fw, cr4_firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < CR4_REGION_NUM * sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7615_fw_trailer *)(fw->data + fw->size -
CR4_REGION_NUM * sizeof(*hdr));
dev_info(dev->mt76.dev, "CR4 Firmware Version: %.10s, Build Time: %.15s\n",
hdr->fw_ver, hdr->build_date);
for (offset = 0, i = 0; i < CR4_REGION_NUM; i++) {
u32 len, addr, mode;
len = le32_to_cpu(hdr[i].len) + IMG_CRC_LEN;
addr = le32_to_cpu(hdr[i].addr);
mode = gen_dl_mode(hdr[i].feature_set, true);
ret = mt7615_mcu_init_download(dev, addr, len, mode);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7615_mcu_send_firmware(dev, fw->data + offset, len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
offset += len;
}
ret = mt7615_mcu_start_firmware(dev, 0, FW_START_WORKING_PDA_CR4);
if (ret)
dev_err(dev->mt76.dev, "Failed to start CR4 firmware\n");
out:
release_firmware(fw);
return ret;
}
static int mt7615_load_firmware(struct mt7615_dev *dev)
{
int ret;
u32 val;
val = mt76_get_field(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE);
if (val != FW_STATE_FW_DOWNLOAD) {
dev_err(dev->mt76.dev, "Firmware is not ready for download\n");
return -EIO;
}
ret = mt7615_load_patch(dev);
if (ret)
return ret;
ret = mt7615_load_ram(dev);
if (ret)
return ret;
if (!mt76_poll_msec(dev, MT_TOP_MISC2, MT_TOP_MISC2_FW_STATE,
FIELD_PREP(MT_TOP_MISC2_FW_STATE,
FW_STATE_CR4_RDY), 500)) {
dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
return -EIO;
}
dev_dbg(dev->mt76.dev, "Firmware init done\n");
return 0;
}
int mt7615_mcu_init(struct mt7615_dev *dev)
{
static const struct mt76_mcu_ops mt7615_mcu_ops = {
.mcu_send_msg = mt7615_mcu_msg_send,
.mcu_restart = mt7615_mcu_restart,
};
int ret;
dev->mt76.mcu_ops = &mt7615_mcu_ops,
ret = mt7615_driver_own(dev);
if (ret)
return ret;
ret = mt7615_load_firmware(dev);
if (ret)
return ret;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
return 0;
}
void mt7615_mcu_exit(struct mt7615_dev *dev)
{
__mt76_mcu_restart(&dev->mt76);
mt76_wr(dev, MT_CFG_LPCR_HOST, MT_CFG_LPCR_HOST_FW_OWN);
skb_queue_purge(&dev->mt76.mmio.mcu.res_q);
}
int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
{
struct {
u8 buffer_mode;
u8 pad;
u16 len;
} __packed req_hdr = {
.buffer_mode = 1,
.len = __MT_EE_MAX - MT_EE_NIC_CONF_0,
};
int ret, len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
u8 *req, *eep = (u8 *)dev->mt76.eeprom.data;
req = kzalloc(len, GFP_KERNEL);
if (!req)
return -ENOMEM;
memcpy(req, &req_hdr, sizeof(req_hdr));
memcpy(req + sizeof(req_hdr), eep + MT_EE_NIC_CONF_0,
__MT_EE_MAX - MT_EE_NIC_CONF_0);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
req, len, true);
kfree(req);
return ret;
}
int mt7615_mcu_init_mac(struct mt7615_dev *dev)
{
struct {
u8 enable;
u8 band;
u8 rsv[2];
} __packed req = {
.enable = 1,
.band = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_rts_thresh(struct mt7615_dev *dev, u32 val)
{
struct {
u8 prot_idx;
u8 band;
u8 rsv[2];
__le32 len_thresh;
__le32 pkt_thresh;
} __packed req = {
.prot_idx = 1,
.band = 0,
.len_thresh = cpu_to_le32(val),
.pkt_thresh = cpu_to_le32(0x2),
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
const struct ieee80211_tx_queue_params *params)
{
#define WMM_AIFS_SET BIT(0)
#define WMM_CW_MIN_SET BIT(1)
#define WMM_CW_MAX_SET BIT(2)
#define WMM_TXOP_SET BIT(3)
struct req_data {
u8 number;
u8 rsv[3];
u8 queue;
u8 valid;
u8 aifs;
u8 cw_min;
__le16 cw_max;
__le16 txop;
} __packed req = {
.number = 1,
.queue = queue,
.valid = WMM_AIFS_SET | WMM_TXOP_SET,
.aifs = params->aifs,
.txop = cpu_to_le16(params->txop),
};
if (params->cw_min) {
req.valid |= WMM_CW_MIN_SET;
req.cw_min = params->cw_min;
}
if (params->cw_max) {
req.valid |= WMM_CW_MAX_SET;
req.cw_max = cpu_to_le16(params->cw_max);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int enter)
{
#define ENTER_PM_STATE 1
#define EXIT_PM_STATE 2
struct {
u8 pm_number;
u8 pm_state;
u8 bssid[ETH_ALEN];
u8 dtim_period;
u8 wlan_idx;
__le16 bcn_interval;
__le32 aid;
__le32 rx_filter;
u8 band_idx;
u8 rsv[3];
__le32 feature;
u8 omac_idx;
u8 wmm_idx;
u8 bcn_loss_cnt;
u8 bcn_sp_duration;
} __packed req = {
.pm_number = 5,
.pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
.band_idx = 0,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
&req, sizeof(req), true);
}
int mt7615_mcu_set_dev_info(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct {
struct req_hdr {
u8 omac_idx;
u8 band_idx;
__le16 tlv_num;
u8 is_tlv_append;
u8 rsv[3];
} __packed hdr;
struct req_tlv {
__le16 tag;
__le16 len;
u8 active;
u8 band_idx;
u8 omac_addr[ETH_ALEN];
} __packed tlv;
} data = {
.hdr = {
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
.tlv_num = cpu_to_le16(1),
.is_tlv_append = 1,
},
.tlv = {
.tag = cpu_to_le16(DEV_INFO_ACTIVE),
.len = cpu_to_le16(sizeof(struct req_tlv)),
.active = enable,
.band_idx = mvif->band_idx,
},
};
memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
&data, sizeof(data), true);
}
static void
mt7615_mcu_bss_info_omac_header(struct mt7615_vif *mvif, u8 *data,
u32 conn_type)
{
struct bss_info_omac *hdr = (struct bss_info_omac *)data;
u8 idx;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
hdr->tag = cpu_to_le16(BSS_INFO_OMAC);
hdr->len = cpu_to_le16(sizeof(struct bss_info_omac));
hdr->hw_bss_idx = idx;
hdr->omac_idx = mvif->omac_idx;
hdr->band_idx = mvif->band_idx;
hdr->conn_type = cpu_to_le32(conn_type);
}
static void
mt7615_mcu_bss_info_basic_header(struct ieee80211_vif *vif, u8 *data,
u32 net_type, u8 tx_wlan_idx,
bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct bss_info_basic *hdr = (struct bss_info_basic *)data;
hdr->tag = cpu_to_le16(BSS_INFO_BASIC);
hdr->len = cpu_to_le16(sizeof(struct bss_info_basic));
hdr->network_type = cpu_to_le32(net_type);
hdr->active = enable;
hdr->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
memcpy(hdr->bssid, vif->bss_conf.bssid, ETH_ALEN);
hdr->wmm_idx = mvif->wmm_idx;
hdr->dtim_period = vif->bss_conf.dtim_period;
hdr->bmc_tx_wlan_idx = tx_wlan_idx;
}
static void
mt7615_mcu_bss_info_ext_header(struct mt7615_vif *mvif, u8 *data)
{
/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
#define BCN_TX_ESTIMATE_TIME (4096 + 20)
struct bss_info_ext_bss *hdr = (struct bss_info_ext_bss *)data;
int ext_bss_idx;
ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
if (ext_bss_idx < 0)
return;
hdr->tag = cpu_to_le16(BSS_INFO_EXT_BSS);
hdr->len = cpu_to_le16(sizeof(struct bss_info_ext_bss));
hdr->mbss_tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
}
int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
struct ieee80211_vif *vif, int en)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct req_hdr {
u8 bss_idx;
u8 rsv0;
__le16 tlv_num;
u8 is_tlv_append;
u8 rsv1[3];
} __packed;
int len = sizeof(struct req_hdr) + sizeof(struct bss_info_basic);
int ret, i, features = BIT(BSS_INFO_BASIC), ntlv = 1;
u32 conn_type = 0, net_type = NETWORK_INFRA;
u8 *buf, *data, tx_wlan_idx = 0;
struct req_hdr *hdr;
if (en) {
len += sizeof(struct bss_info_omac);
features |= BIT(BSS_INFO_OMAC);
if (mvif->omac_idx > EXT_BSSID_START) {
len += sizeof(struct bss_info_ext_bss);
features |= BIT(BSS_INFO_EXT_BSS);
ntlv++;
}
ntlv++;
}
switch (vif->type) {
case NL80211_IFTYPE_AP:
tx_wlan_idx = mvif->sta.wcid.idx;
conn_type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION: {
struct ieee80211_sta *sta;
struct mt7615_sta *msta;
rcu_read_lock();
sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
if (!sta) {
rcu_read_unlock();
return -EINVAL;
}
msta = (struct mt7615_sta *)sta->drv_priv;
tx_wlan_idx = msta->wcid.idx;
conn_type = CONNECTION_INFRA_STA;
rcu_read_unlock();
break;
}
default:
WARN_ON(1);
break;
}
buf = kzalloc(len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
hdr = (struct req_hdr *)buf;
hdr->bss_idx = mvif->idx;
hdr->tlv_num = cpu_to_le16(ntlv);
hdr->is_tlv_append = 1;
data = buf + sizeof(*hdr);
for (i = 0; i < BSS_INFO_MAX_NUM; i++) {
int tag = ffs(features & BIT(i)) - 1;
switch (tag) {
case BSS_INFO_OMAC:
mt7615_mcu_bss_info_omac_header(mvif, data,
conn_type);
data += sizeof(struct bss_info_omac);
break;
case BSS_INFO_BASIC:
mt7615_mcu_bss_info_basic_header(vif, data, net_type,
tx_wlan_idx, en);
data += sizeof(struct bss_info_basic);
break;
case BSS_INFO_EXT_BSS:
mt7615_mcu_bss_info_ext_header(mvif, data);
data += sizeof(struct bss_info_ext_bss);
break;
default:
break;
}
}
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_BSS_INFO_UPDATE,
buf, len, true);
kfree(buf);
return ret;
}
static enum mt7615_cipher_type
mt7615_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
{
if (!key || key->keylen > 32)
return MT_CIPHER_NONE;
memcpy(key_data, key->key, key->keylen);
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
return MT_CIPHER_WEP40;
case WLAN_CIPHER_SUITE_WEP104:
return MT_CIPHER_WEP104;
case WLAN_CIPHER_SUITE_TKIP:
/* Rx/Tx MIC keys are swapped */
memcpy(key_data + 16, key->key + 24, 8);
memcpy(key_data + 24, key->key + 16, 8);
return MT_CIPHER_TKIP;
case WLAN_CIPHER_SUITE_CCMP:
return MT_CIPHER_AES_CCMP;
case WLAN_CIPHER_SUITE_CCMP_256:
return MT_CIPHER_CCMP_256;
case WLAN_CIPHER_SUITE_GCMP:
return MT_CIPHER_GCMP;
case WLAN_CIPHER_SUITE_GCMP_256:
return MT_CIPHER_GCMP_256;
case WLAN_CIPHER_SUITE_SMS4:
return MT_CIPHER_WAPI;
default:
return MT_CIPHER_NONE;
}
}
int mt7615_mcu_set_wtbl_key(struct mt7615_dev *dev, int wcid,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd)
{
struct {
struct wtbl_req_hdr hdr;
struct wtbl_sec_key key;
} req = {
.hdr = {
.wlan_idx = wcid,
.operation = WTBL_SET,
.tlv_num = cpu_to_le16(1),
},
.key = {
.tag = cpu_to_le16(WTBL_SEC_KEY),
.len = cpu_to_le16(sizeof(struct wtbl_sec_key)),
.add = cmd,
},
};
if (cmd == SET_KEY) {
u8 cipher;
cipher = mt7615_get_key_info(key, req.key.key_material);
if (cipher == MT_CIPHER_NONE && key)
return -EOPNOTSUPP;
req.key.cipher_id = cipher;
req.key.key_id = key->keyidx;
req.key.key_len = key->keylen;
} else {
req.key.key_len = sizeof(req.key.key_material);
}
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
static int
mt7615_mcu_add_wtbl_bmc(struct mt7615_dev *dev,
struct mt7615_vif *mvif)
{
struct {
struct wtbl_req_hdr hdr;
struct wtbl_generic g_wtbl;
struct wtbl_rx rx_wtbl;
} req = {
.hdr = {
.wlan_idx = mvif->sta.wcid.idx,
.operation = WTBL_RESET_AND_SET,
.tlv_num = cpu_to_le16(2),
},
.g_wtbl = {
.tag = cpu_to_le16(WTBL_GENERIC),
.len = cpu_to_le16(sizeof(struct wtbl_generic)),
.muar_idx = 0xe,
},
.rx_wtbl = {
.tag = cpu_to_le16(WTBL_RX),
.len = cpu_to_le16(sizeof(struct wtbl_rx)),
.rca1 = 1,
.rca2 = 1,
.rv = 1,
},
};
eth_broadcast_addr(req.g_wtbl.peer_addr);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_wtbl_bmc(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
if (!enable) {
struct wtbl_req_hdr req = {
.wlan_idx = mvif->sta.wcid.idx,
.operation = WTBL_RESET_AND_SET,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
return mt7615_mcu_add_wtbl_bmc(dev, mvif);
}
int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct {
struct wtbl_req_hdr hdr;
struct wtbl_generic g_wtbl;
struct wtbl_rx rx_wtbl;
} req = {
.hdr = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_RESET_AND_SET,
.tlv_num = cpu_to_le16(2),
},
.g_wtbl = {
.tag = cpu_to_le16(WTBL_GENERIC),
.len = cpu_to_le16(sizeof(struct wtbl_generic)),
.muar_idx = mvif->omac_idx,
.qos = sta->wme,
.partial_aid = cpu_to_le16(sta->aid),
},
.rx_wtbl = {
.tag = cpu_to_le16(WTBL_RX),
.len = cpu_to_le16(sizeof(struct wtbl_rx)),
.rca1 = vif->type != NL80211_IFTYPE_AP,
.rca2 = 1,
.rv = 1,
},
};
memcpy(req.g_wtbl.peer_addr, sta->addr, ETH_ALEN);
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_del_wtbl(struct mt7615_dev *dev,
struct ieee80211_sta *sta)
{
struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
struct wtbl_req_hdr req = {
.wlan_idx = msta->wcid.idx,
.operation = WTBL_RESET_AND_SET,
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev)
{
struct wtbl_req_hdr req = {
.operation = WTBL_RESET_ALL,
};