summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/wil6210/cfg80211.c
blob: a00f31881df94ba0068b40891afea709066090de (plain)
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
/*
 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "wil6210.h"
#include "wmi.h"

#define CHAN60G(_channel, _flags) {				\
	.band			= IEEE80211_BAND_60GHZ,		\
	.center_freq		= 56160 + (2160 * (_channel)),	\
	.hw_value		= (_channel),			\
	.flags			= (_flags),			\
	.max_antenna_gain	= 0,				\
	.max_power		= 40,				\
}

static struct ieee80211_channel wil_60ghz_channels[] = {
	CHAN60G(1, 0),
	CHAN60G(2, 0),
	CHAN60G(3, 0),
/* channel 4 not supported yet */
};

static struct ieee80211_supported_band wil_band_60ghz = {
	.channels = wil_60ghz_channels,
	.n_channels = ARRAY_SIZE(wil_60ghz_channels),
	.ht_cap = {
		.ht_supported = true,
		.cap = 0, /* TODO */
		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
		.mcs = {
				/* MCS 1..12 - SC PHY */
			.rx_mask = {0xfe, 0x1f}, /* 1..12 */
			.tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
		},
	},
};

static const struct ieee80211_txrx_stypes
wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
	[NL80211_IFTYPE_STATION] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
	[NL80211_IFTYPE_AP] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
	[NL80211_IFTYPE_P2P_CLIENT] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
	[NL80211_IFTYPE_P2P_GO] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
	},
};

static const u32 wil_cipher_suites[] = {
	WLAN_CIPHER_SUITE_GCMP,
};

int wil_iftype_nl2wmi(enum nl80211_iftype type)
{
	static const struct {
		enum nl80211_iftype nl;
		enum wmi_network_type wmi;
	} __nl2wmi[] = {
		{NL80211_IFTYPE_ADHOC,		WMI_NETTYPE_ADHOC},
		{NL80211_IFTYPE_STATION,	WMI_NETTYPE_INFRA},
		{NL80211_IFTYPE_AP,		WMI_NETTYPE_AP},
		{NL80211_IFTYPE_P2P_CLIENT,	WMI_NETTYPE_P2P},
		{NL80211_IFTYPE_P2P_GO,		WMI_NETTYPE_P2P},
		{NL80211_IFTYPE_MONITOR,	WMI_NETTYPE_ADHOC}, /* FIXME */
	};
	uint i;

	for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
		if (__nl2wmi[i].nl == type)
			return __nl2wmi[i].wmi;
	}

	return -EOPNOTSUPP;
}

int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
		       struct station_info *sinfo)
{
	struct wmi_notify_req_cmd cmd = {
		.cid = cid,
		.interval_usec = 0,
	};
	struct {
		struct wil6210_mbox_hdr_wmi wmi;
		struct wmi_notify_req_done_event evt;
	} __packed reply;
	struct wil_net_stats *stats = &wil->sta[cid].stats;
	int rc;

	rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
		      WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
	if (rc)
		return rc;

	wil_dbg_wmi(wil, "Link status for CID %d: {\n"
		    "  MCS %d TSF 0x%016llx\n"
		    "  BF status 0x%08x SNR 0x%08x SQI %d%%\n"
		    "  Tx Tpt %d goodput %d Rx goodput %d\n"
		    "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
		    cid, le16_to_cpu(reply.evt.bf_mcs),
		    le64_to_cpu(reply.evt.tsf), reply.evt.status,
		    le32_to_cpu(reply.evt.snr_val),
		    reply.evt.sqi,
		    le32_to_cpu(reply.evt.tx_tpt),
		    le32_to_cpu(reply.evt.tx_goodput),
		    le32_to_cpu(reply.evt.rx_goodput),
		    le16_to_cpu(reply.evt.my_rx_sector),
		    le16_to_cpu(reply.evt.my_tx_sector),
		    le16_to_cpu(reply.evt.other_rx_sector),
		    le16_to_cpu(reply.evt.other_tx_sector));

	sinfo->generation = wil->sinfo_gen;

	sinfo->filled = STATION_INFO_RX_BYTES |
			STATION_INFO_TX_BYTES |
			STATION_INFO_RX_PACKETS |
			STATION_INFO_TX_PACKETS |
			STATION_INFO_RX_BITRATE |
			STATION_INFO_TX_BITRATE |
			STATION_INFO_RX_DROP_MISC |
			STATION_INFO_TX_FAILED;

	sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
	sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
	sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
	sinfo->rxrate.mcs = stats->last_mcs_rx;
	sinfo->rx_bytes = stats->rx_bytes;
	sinfo->rx_packets = stats->rx_packets;
	sinfo->rx_dropped_misc = stats->rx_dropped;
	sinfo->tx_bytes = stats->tx_bytes;
	sinfo->tx_packets = stats->tx_packets;
	sinfo->tx_failed = stats->tx_errors;

	if (test_bit(wil_status_fwconnected, &wil->status)) {
		sinfo->filled |= STATION_INFO_SIGNAL;
		sinfo->signal = reply.evt.sqi;
	}

	return rc;
}

static int wil_cfg80211_get_station(struct wiphy *wiphy,
				    struct net_device *ndev,
				    const u8 *mac, struct station_info *sinfo)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	int rc;

	int cid = wil_find_cid(wil, mac);

	wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
	if (cid < 0)
		return cid;

	rc = wil_cid_fill_sinfo(wil, cid, sinfo);

	return rc;
}

/*
 * Find @idx-th active STA for station dump.
 */
static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
		if (wil->sta[i].status == wil_sta_unused)
			continue;
		if (idx == 0)
			return i;
		idx--;
	}

	return -ENOENT;
}

static int wil_cfg80211_dump_station(struct wiphy *wiphy,
				     struct net_device *dev, int idx,
				     u8 *mac, struct station_info *sinfo)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	int rc;
	int cid = wil_find_cid_by_idx(wil, idx);

	if (cid < 0)
		return -ENOENT;

	memcpy(mac, wil->sta[cid].addr, ETH_ALEN);
	wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);

	rc = wil_cid_fill_sinfo(wil, cid, sinfo);

	return rc;
}

static int wil_cfg80211_change_iface(struct wiphy *wiphy,
				     struct net_device *ndev,
				     enum nl80211_iftype type, u32 *flags,
				     struct vif_params *params)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	struct wireless_dev *wdev = wil->wdev;

	switch (type) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_AP:
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
		break;
	case NL80211_IFTYPE_MONITOR:
		if (flags)
			wil->monitor_flags = *flags;
		else
			wil->monitor_flags = 0;

		break;
	default:
		return -EOPNOTSUPP;
	}

	wdev->iftype = type;

	return 0;
}

static int wil_cfg80211_scan(struct wiphy *wiphy,
			     struct cfg80211_scan_request *request)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	struct wireless_dev *wdev = wil->wdev;
	struct {
		struct wmi_start_scan_cmd cmd;
		u16 chnl[4];
	} __packed cmd;
	uint i, n;
	int rc;

	if (wil->scan_request) {
		wil_err(wil, "Already scanning\n");
		return -EAGAIN;
	}

	/* check we are client side */
	switch (wdev->iftype) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_P2P_CLIENT:
		break;
	default:
		return -EOPNOTSUPP;
	}

	/* FW don't support scan after connection attempt */
	if (test_bit(wil_status_dontscan, &wil->status)) {
		wil_err(wil, "Can't scan now\n");
		return -EBUSY;
	}

	wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
	wil->scan_request = request;
	mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);

	memset(&cmd, 0, sizeof(cmd));
	cmd.cmd.num_channels = 0;
	n = min(request->n_channels, 4U);
	for (i = 0; i < n; i++) {
		int ch = request->channels[i]->hw_value;
		if (ch == 0) {
			wil_err(wil,
				"Scan requested for unknown frequency %dMhz\n",
				request->channels[i]->center_freq);
			continue;
		}
		/* 0-based channel indexes */
		cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
		wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
			     request->channels[i]->center_freq);
	}

	rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
			cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));

	if (rc) {
		del_timer_sync(&wil->scan_timer);
		wil->scan_request = NULL;
	}

	return rc;
}

static int wil_cfg80211_connect(struct wiphy *wiphy,
				struct net_device *ndev,
				struct cfg80211_connect_params *sme)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	struct cfg80211_bss *bss;
	struct wmi_connect_cmd conn;
	const u8 *ssid_eid;
	const u8 *rsn_eid;
	int ch;
	int rc = 0;

	if (test_bit(wil_status_fwconnecting, &wil->status) ||
	    test_bit(wil_status_fwconnected, &wil->status))
		return -EALREADY;

	bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
			       sme->ssid, sme->ssid_len,
			       WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
	if (!bss) {
		wil_err(wil, "Unable to find BSS\n");
		return -ENOENT;
	}

	ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
	if (!ssid_eid) {
		wil_err(wil, "No SSID\n");
		rc = -ENOENT;
		goto out;
	}

	rsn_eid = sme->ie ?
			cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
			NULL;
	if (rsn_eid) {
		if (sme->ie_len > WMI_MAX_IE_LEN) {
			rc = -ERANGE;
			wil_err(wil, "IE too large (%td bytes)\n",
				sme->ie_len);
			goto out;
		}
		/*
		 * For secure assoc, send:
		 * (1) WMI_DELETE_CIPHER_KEY_CMD
		 * (2) WMI_SET_APPIE_CMD
		 */
		rc = wmi_del_cipher_key(wil, 0, bss->bssid);
		if (rc) {
			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
			goto out;
		}
		/* WMI_SET_APPIE_CMD */
		rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
		if (rc) {
			wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
			goto out;
		}
	}

	/* WMI_CONNECT_CMD */
	memset(&conn, 0, sizeof(conn));
	switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
	case WLAN_CAPABILITY_DMG_TYPE_AP:
		conn.network_type = WMI_NETTYPE_INFRA;
		break;
	case WLAN_CAPABILITY_DMG_TYPE_PBSS:
		conn.network_type = WMI_NETTYPE_P2P;
		break;
	default:
		wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
			bss->capability);
		goto out;
	}
	if (rsn_eid) {
		conn.dot11_auth_mode = WMI_AUTH11_SHARED;
		conn.auth_mode = WMI_AUTH_WPA2_PSK;
		conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
		conn.pairwise_crypto_len = 16;
	} else {
		conn.dot11_auth_mode = WMI_AUTH11_OPEN;
		conn.auth_mode = WMI_AUTH_NONE;
	}

	conn.ssid_len = min_t(u8, ssid_eid[1], 32);
	memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);

	ch = bss->channel->hw_value;
	if (ch == 0) {
		wil_err(wil, "BSS at unknown frequency %dMhz\n",
			bss->channel->center_freq);
		rc = -EOPNOTSUPP;
		goto out;
	}
	conn.channel = ch - 1;

	memcpy(conn.bssid, bss->bssid, ETH_ALEN);
	memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);

	set_bit(wil_status_fwconnecting, &wil->status);

	rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
	if (rc == 0) {
		/* Connect can take lots of time */
		mod_timer(&wil->connect_timer,
			  jiffies + msecs_to_jiffies(2000));
	} else {
		clear_bit(wil_status_fwconnecting, &wil->status);
	}

 out:
	cfg80211_put_bss(wiphy, bss);

	return rc;
}

static int wil_cfg80211_disconnect(struct wiphy *wiphy,
				   struct net_device *ndev,
				   u16 reason_code)
{
	int rc;
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);

	rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);

	return rc;
}

int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
			 struct cfg80211_mgmt_tx_params *params,
			 u64 *cookie)
{
	const u8 *buf = params->buf;
	size_t len = params->len;
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	int rc;
	bool tx_status = false;
	struct ieee80211_mgmt *mgmt_frame = (void *)buf;
	struct wmi_sw_tx_req_cmd *cmd;
	struct {
		struct wil6210_mbox_hdr_wmi wmi;
		struct wmi_sw_tx_complete_event evt;
	} __packed evt;

	cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
	if (!cmd) {
		rc = -ENOMEM;
		goto out;
	}

	memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
	cmd->len = cpu_to_le16(len);
	memcpy(cmd->payload, buf, len);

	rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
	if (rc == 0)
		tx_status = !evt.evt.status;

	kfree(cmd);
 out:
	cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
				tx_status, GFP_KERNEL);
	return rc;
}

static int wil_cfg80211_set_channel(struct wiphy *wiphy,
				    struct cfg80211_chan_def *chandef)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	struct wireless_dev *wdev = wil->wdev;

	wdev->preset_chandef = *chandef;

	return 0;
}

static int wil_cfg80211_add_key(struct wiphy *wiphy,
				struct net_device *ndev,
				u8 key_index, bool pairwise,
				const u8 *mac_addr,
				struct key_params *params)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);

	/* group key is not used */
	if (!pairwise)
		return 0;

	return wmi_add_cipher_key(wil, key_index, mac_addr,
				  params->key_len, params->key);
}

static int wil_cfg80211_del_key(struct wiphy *wiphy,
				struct net_device *ndev,
				u8 key_index, bool pairwise,
				const u8 *mac_addr)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);

	/* group key is not used */
	if (!pairwise)
		return 0;

	return wmi_del_cipher_key(wil, key_index, mac_addr);
}

/* Need to be present or wiphy_new() will WARN */
static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
					struct net_device *ndev,
					u8 key_index, bool unicast,
					bool multicast)
{
	return 0;
}

static int wil_remain_on_channel(struct wiphy *wiphy,
				 struct wireless_dev *wdev,
				 struct ieee80211_channel *chan,
				 unsigned int duration,
				 u64 *cookie)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	int rc;

	/* TODO: handle duration */
	wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);

	rc = wmi_set_channel(wil, chan->hw_value);
	if (rc)
		return rc;

	rc = wmi_rxon(wil, true);

	return rc;
}

static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
					struct wireless_dev *wdev,
					u64 cookie)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	int rc;

	wil_info(wil, "%s()\n", __func__);

	rc = wmi_rxon(wil, false);

	return rc;
}

static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
{
	print_hex_dump_bytes("head     ", DUMP_PREFIX_OFFSET,
			     b->head, b->head_len);
	print_hex_dump_bytes("tail     ", DUMP_PREFIX_OFFSET,
			     b->tail, b->tail_len);
	print_hex_dump_bytes("BCON IE  ", DUMP_PREFIX_OFFSET,
			     b->beacon_ies, b->beacon_ies_len);
	print_hex_dump_bytes("PROBE    ", DUMP_PREFIX_OFFSET,
			     b->probe_resp, b->probe_resp_len);
	print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
			     b->proberesp_ies, b->proberesp_ies_len);
	print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
			     b->assocresp_ies, b->assocresp_ies_len);
}

static void wil_print_crypto(struct wil6210_priv *wil,
			     struct cfg80211_crypto_settings *c)
{
	wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
		     c->wpa_versions, c->cipher_group);
	wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise);
	wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites);
	wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
		     c->control_port, be16_to_cpu(c->control_port_ethertype),
		     c->control_port_no_encrypt);
}

static int wil_fix_bcon(struct wil6210_priv *wil,
			struct cfg80211_beacon_data *bcon)
{
	struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
	size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
	int rc = 0;

	if (bcon->probe_resp_len <= hlen)
		return 0;

	if (!bcon->proberesp_ies) {
		bcon->proberesp_ies = f->u.probe_resp.variable;
		bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
		rc = 1;
	}
	if (!bcon->assocresp_ies) {
		bcon->assocresp_ies = f->u.probe_resp.variable;
		bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
		rc = 1;
	}

	return rc;
}

static int wil_cfg80211_start_ap(struct wiphy *wiphy,
				 struct net_device *ndev,
				 struct cfg80211_ap_settings *info)
{
	int rc = 0;
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
	struct wireless_dev *wdev = ndev->ieee80211_ptr;
	struct ieee80211_channel *channel = info->chandef.chan;
	struct cfg80211_beacon_data *bcon = &info->beacon;
	struct cfg80211_crypto_settings *crypto = &info->crypto;
	u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);

	wil_dbg_misc(wil, "%s()\n", __func__);

	if (!channel) {
		wil_err(wil, "AP: No channel???\n");
		return -EINVAL;
	}

	wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
		     channel->center_freq, info->privacy ? "secure" : "open");
	wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
		     info->privacy, info->auth_type);
	wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
		     info->dtim_period);
	print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
			     info->ssid, info->ssid_len);
	wil_print_bcon_data(bcon);
	wil_print_crypto(wil, crypto);

	if (wil_fix_bcon(wil, bcon)) {
		wil_dbg_misc(wil, "Fixed bcon\n");
		wil_print_bcon_data(bcon);
	}

	mutex_lock(&wil->mutex);

	rc = wil_reset(wil);
	if (rc)
		goto out;

	/* Rx VRING. */
	rc = wil_rx_init(wil);
	if (rc)
		goto out;

	rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
	if (rc)
		goto out;

	/* MAC address - pre-requisite for other commands */
	wmi_set_mac_address(wil, ndev->dev_addr);

	/* IE's */
	/* bcon 'head IE's are not relevant for 60g band */
	/*
	 * FW do not form regular beacon, so bcon IE's are not set
	 * For the DMG bcon, when it will be supported, bcon IE's will
	 * be reused; add something like:
	 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
	 * bcon->beacon_ies);
	 */
	wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
		   bcon->proberesp_ies);
	wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
		   bcon->assocresp_ies);

	wil->secure_pcp = info->privacy;

	rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
			   channel->hw_value);
	if (rc)
		goto out;


	netif_carrier_on(ndev);

out:
	mutex_unlock(&wil->mutex);
	return rc;
}

static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
				struct net_device *ndev)
{
	int rc = 0;
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);

	wil_dbg_misc(wil, "%s()\n", __func__);

	mutex_lock(&wil->mutex);

	rc = wmi_pcp_stop(wil);

	mutex_unlock(&wil->mutex);
	return rc;
}

static int wil_cfg80211_del_station(struct wiphy *wiphy,
				    struct net_device *dev, const u8 *mac)
{
	struct wil6210_priv *wil = wiphy_to_wil(wiphy);

	mutex_lock(&wil->mutex);
	wil6210_disconnect(wil, mac);
	mutex_unlock(&wil->mutex);

	return 0;
}

static struct cfg80211_ops wil_cfg80211_ops = {
	.scan = wil_cfg80211_scan,
	.connect = wil_cfg80211_connect,
	.disconnect = wil_cfg80211_disconnect,
	.change_virtual_intf = wil_cfg80211_change_iface,
	.get_station = wil_cfg80211_get_station,
	.dump_station = wil_cfg80211_dump_station,
	.remain_on_channel = wil_remain_on_channel,
	.cancel_remain_on_channel = wil_cancel_remain_on_channel,
	.mgmt_tx = wil_cfg80211_mgmt_tx,
	.set_monitor_channel = wil_cfg80211_set_channel,
	.add_key = wil_cfg80211_add_key,
	.del_key = wil_cfg80211_del_key,
	.set_default_key = wil_cfg80211_set_default_key,
	/* AP mode */
	.start_ap = wil_cfg80211_start_ap,
	.stop_ap = wil_cfg80211_stop_ap,
	.del_station = wil_cfg80211_del_station,
};

static void wil_wiphy_init(struct wiphy *wiphy)
{
	/* TODO: set real value */
	wiphy->max_scan_ssids = 10;
	wiphy->max_num_pmkids = 0 /* TODO: */;
	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
				 BIT(NL80211_IFTYPE_AP) |
				 BIT(NL80211_IFTYPE_MONITOR);
	/* TODO: enable P2P when integrated with supplicant:
	 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
	 */
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
	dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
		 __func__, wiphy->flags);
	wiphy->probe_resp_offload =
		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;

	wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;

	/* TODO: figure this out */
	wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;

	wiphy->cipher_suites = wil_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
	wiphy->mgmt_stypes = wil_mgmt_stypes;
}

struct wireless_dev *wil_cfg80211_init(struct device *dev)
{
	int rc = 0;
	struct wireless_dev *wdev;

	wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
	if (!wdev)
		return ERR_PTR(-ENOMEM);

	wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
				sizeof(struct wil6210_priv));
	if (!wdev->wiphy) {
		rc = -ENOMEM;
		goto out;
	}

	set_wiphy_dev(wdev->wiphy, dev);
	wil_wiphy_init(wdev->wiphy);

	rc = wiphy_register(wdev->wiphy);
	if (rc < 0)
		goto out_failed_reg;

	return wdev;

out_failed_reg:
	wiphy_free(wdev->wiphy);
out:
	kfree(wdev);

	return ERR_PTR(rc);
}

void wil_wdev_free(struct wil6210_priv *wil)
{
	struct wireless_dev *wdev = wil_to_wdev(wil);

	if (!wdev)
		return;

	wiphy_unregister(wdev->wiphy);
	wiphy_free(wdev->wiphy);
	kfree(wdev);
}