[go: nahoru, domu]

1/*
2 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include "wil6210.h"
18#include "wmi.h"
19
20#define CHAN60G(_channel, _flags) {				\
21	.band			= IEEE80211_BAND_60GHZ,		\
22	.center_freq		= 56160 + (2160 * (_channel)),	\
23	.hw_value		= (_channel),			\
24	.flags			= (_flags),			\
25	.max_antenna_gain	= 0,				\
26	.max_power		= 40,				\
27}
28
29static struct ieee80211_channel wil_60ghz_channels[] = {
30	CHAN60G(1, 0),
31	CHAN60G(2, 0),
32	CHAN60G(3, 0),
33/* channel 4 not supported yet */
34};
35
36static struct ieee80211_supported_band wil_band_60ghz = {
37	.channels = wil_60ghz_channels,
38	.n_channels = ARRAY_SIZE(wil_60ghz_channels),
39	.ht_cap = {
40		.ht_supported = true,
41		.cap = 0, /* TODO */
42		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
43		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
44		.mcs = {
45				/* MCS 1..12 - SC PHY */
46			.rx_mask = {0xfe, 0x1f}, /* 1..12 */
47			.tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
48		},
49	},
50};
51
52static const struct ieee80211_txrx_stypes
53wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
54	[NL80211_IFTYPE_STATION] = {
55		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
56		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
57		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
58		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
59	},
60	[NL80211_IFTYPE_AP] = {
61		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
62		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
63		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
64		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
65	},
66	[NL80211_IFTYPE_P2P_CLIENT] = {
67		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
68		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
69		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
70		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
71	},
72	[NL80211_IFTYPE_P2P_GO] = {
73		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
74		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
75		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
76		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
77	},
78};
79
80static const u32 wil_cipher_suites[] = {
81	WLAN_CIPHER_SUITE_GCMP,
82};
83
84int wil_iftype_nl2wmi(enum nl80211_iftype type)
85{
86	static const struct {
87		enum nl80211_iftype nl;
88		enum wmi_network_type wmi;
89	} __nl2wmi[] = {
90		{NL80211_IFTYPE_ADHOC,		WMI_NETTYPE_ADHOC},
91		{NL80211_IFTYPE_STATION,	WMI_NETTYPE_INFRA},
92		{NL80211_IFTYPE_AP,		WMI_NETTYPE_AP},
93		{NL80211_IFTYPE_P2P_CLIENT,	WMI_NETTYPE_P2P},
94		{NL80211_IFTYPE_P2P_GO,		WMI_NETTYPE_P2P},
95		{NL80211_IFTYPE_MONITOR,	WMI_NETTYPE_ADHOC}, /* FIXME */
96	};
97	uint i;
98
99	for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
100		if (__nl2wmi[i].nl == type)
101			return __nl2wmi[i].wmi;
102	}
103
104	return -EOPNOTSUPP;
105}
106
107int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
108		       struct station_info *sinfo)
109{
110	struct wmi_notify_req_cmd cmd = {
111		.cid = cid,
112		.interval_usec = 0,
113	};
114	struct {
115		struct wil6210_mbox_hdr_wmi wmi;
116		struct wmi_notify_req_done_event evt;
117	} __packed reply;
118	struct wil_net_stats *stats = &wil->sta[cid].stats;
119	int rc;
120
121	rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
122		      WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
123	if (rc)
124		return rc;
125
126	wil_dbg_wmi(wil, "Link status for CID %d: {\n"
127		    "  MCS %d TSF 0x%016llx\n"
128		    "  BF status 0x%08x SNR 0x%08x SQI %d%%\n"
129		    "  Tx Tpt %d goodput %d Rx goodput %d\n"
130		    "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
131		    cid, le16_to_cpu(reply.evt.bf_mcs),
132		    le64_to_cpu(reply.evt.tsf), reply.evt.status,
133		    le32_to_cpu(reply.evt.snr_val),
134		    reply.evt.sqi,
135		    le32_to_cpu(reply.evt.tx_tpt),
136		    le32_to_cpu(reply.evt.tx_goodput),
137		    le32_to_cpu(reply.evt.rx_goodput),
138		    le16_to_cpu(reply.evt.my_rx_sector),
139		    le16_to_cpu(reply.evt.my_tx_sector),
140		    le16_to_cpu(reply.evt.other_rx_sector),
141		    le16_to_cpu(reply.evt.other_tx_sector));
142
143	sinfo->generation = wil->sinfo_gen;
144
145	sinfo->filled = STATION_INFO_RX_BYTES |
146			STATION_INFO_TX_BYTES |
147			STATION_INFO_RX_PACKETS |
148			STATION_INFO_TX_PACKETS |
149			STATION_INFO_RX_BITRATE |
150			STATION_INFO_TX_BITRATE |
151			STATION_INFO_RX_DROP_MISC |
152			STATION_INFO_TX_FAILED;
153
154	sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
155	sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
156	sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
157	sinfo->rxrate.mcs = stats->last_mcs_rx;
158	sinfo->rx_bytes = stats->rx_bytes;
159	sinfo->rx_packets = stats->rx_packets;
160	sinfo->rx_dropped_misc = stats->rx_dropped;
161	sinfo->tx_bytes = stats->tx_bytes;
162	sinfo->tx_packets = stats->tx_packets;
163	sinfo->tx_failed = stats->tx_errors;
164
165	if (test_bit(wil_status_fwconnected, &wil->status)) {
166		sinfo->filled |= STATION_INFO_SIGNAL;
167		sinfo->signal = reply.evt.sqi;
168	}
169
170	return rc;
171}
172
173static int wil_cfg80211_get_station(struct wiphy *wiphy,
174				    struct net_device *ndev,
175				    const u8 *mac, struct station_info *sinfo)
176{
177	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
178	int rc;
179
180	int cid = wil_find_cid(wil, mac);
181
182	wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
183	if (cid < 0)
184		return cid;
185
186	rc = wil_cid_fill_sinfo(wil, cid, sinfo);
187
188	return rc;
189}
190
191/*
192 * Find @idx-th active STA for station dump.
193 */
194static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
195{
196	int i;
197
198	for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
199		if (wil->sta[i].status == wil_sta_unused)
200			continue;
201		if (idx == 0)
202			return i;
203		idx--;
204	}
205
206	return -ENOENT;
207}
208
209static int wil_cfg80211_dump_station(struct wiphy *wiphy,
210				     struct net_device *dev, int idx,
211				     u8 *mac, struct station_info *sinfo)
212{
213	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
214	int rc;
215	int cid = wil_find_cid_by_idx(wil, idx);
216
217	if (cid < 0)
218		return -ENOENT;
219
220	memcpy(mac, wil->sta[cid].addr, ETH_ALEN);
221	wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
222
223	rc = wil_cid_fill_sinfo(wil, cid, sinfo);
224
225	return rc;
226}
227
228static int wil_cfg80211_change_iface(struct wiphy *wiphy,
229				     struct net_device *ndev,
230				     enum nl80211_iftype type, u32 *flags,
231				     struct vif_params *params)
232{
233	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
234	struct wireless_dev *wdev = wil->wdev;
235
236	switch (type) {
237	case NL80211_IFTYPE_STATION:
238	case NL80211_IFTYPE_AP:
239	case NL80211_IFTYPE_P2P_CLIENT:
240	case NL80211_IFTYPE_P2P_GO:
241		break;
242	case NL80211_IFTYPE_MONITOR:
243		if (flags)
244			wil->monitor_flags = *flags;
245		else
246			wil->monitor_flags = 0;
247
248		break;
249	default:
250		return -EOPNOTSUPP;
251	}
252
253	wdev->iftype = type;
254
255	return 0;
256}
257
258static int wil_cfg80211_scan(struct wiphy *wiphy,
259			     struct cfg80211_scan_request *request)
260{
261	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
262	struct wireless_dev *wdev = wil->wdev;
263	struct {
264		struct wmi_start_scan_cmd cmd;
265		u16 chnl[4];
266	} __packed cmd;
267	uint i, n;
268	int rc;
269
270	if (wil->scan_request) {
271		wil_err(wil, "Already scanning\n");
272		return -EAGAIN;
273	}
274
275	/* check we are client side */
276	switch (wdev->iftype) {
277	case NL80211_IFTYPE_STATION:
278	case NL80211_IFTYPE_P2P_CLIENT:
279		break;
280	default:
281		return -EOPNOTSUPP;
282	}
283
284	/* FW don't support scan after connection attempt */
285	if (test_bit(wil_status_dontscan, &wil->status)) {
286		wil_err(wil, "Can't scan now\n");
287		return -EBUSY;
288	}
289
290	wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
291	wil->scan_request = request;
292	mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
293
294	memset(&cmd, 0, sizeof(cmd));
295	cmd.cmd.num_channels = 0;
296	n = min(request->n_channels, 4U);
297	for (i = 0; i < n; i++) {
298		int ch = request->channels[i]->hw_value;
299
300		if (ch == 0) {
301			wil_err(wil,
302				"Scan requested for unknown frequency %dMhz\n",
303				request->channels[i]->center_freq);
304			continue;
305		}
306		/* 0-based channel indexes */
307		cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
308		wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
309			     request->channels[i]->center_freq);
310	}
311
312	if (request->ie_len)
313		print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
314				     request->ie, request->ie_len);
315	else
316		wil_dbg_misc(wil, "Scan has no IE's\n");
317
318	rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len,
319			request->ie);
320	if (rc) {
321		wil_err(wil, "Aborting scan, set_ie failed: %d\n", rc);
322		goto out;
323	}
324
325	rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
326			cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
327
328out:
329	if (rc) {
330		del_timer_sync(&wil->scan_timer);
331		wil->scan_request = NULL;
332	}
333
334	return rc;
335}
336
337static void wil_print_connect_params(struct wil6210_priv *wil,
338				     struct cfg80211_connect_params *sme)
339{
340	wil_info(wil, "Connecting to:\n");
341	if (sme->channel) {
342		wil_info(wil, "  Channel: %d freq %d\n",
343			 sme->channel->hw_value, sme->channel->center_freq);
344	}
345	if (sme->bssid)
346		wil_info(wil, "  BSSID: %pM\n", sme->bssid);
347	if (sme->ssid)
348		print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
349			       16, 1, sme->ssid, sme->ssid_len, true);
350	wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
351}
352
353static int wil_cfg80211_connect(struct wiphy *wiphy,
354				struct net_device *ndev,
355				struct cfg80211_connect_params *sme)
356{
357	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
358	struct cfg80211_bss *bss;
359	struct wmi_connect_cmd conn;
360	const u8 *ssid_eid;
361	const u8 *rsn_eid;
362	int ch;
363	int rc = 0;
364
365	if (test_bit(wil_status_fwconnecting, &wil->status) ||
366	    test_bit(wil_status_fwconnected, &wil->status))
367		return -EALREADY;
368
369	wil_print_connect_params(wil, sme);
370
371	bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
372			       sme->ssid, sme->ssid_len,
373			       WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
374	if (!bss) {
375		wil_err(wil, "Unable to find BSS\n");
376		return -ENOENT;
377	}
378
379	ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
380	if (!ssid_eid) {
381		wil_err(wil, "No SSID\n");
382		rc = -ENOENT;
383		goto out;
384	}
385
386	rsn_eid = sme->ie ?
387			cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
388			NULL;
389	if (rsn_eid) {
390		if (sme->ie_len > WMI_MAX_IE_LEN) {
391			rc = -ERANGE;
392			wil_err(wil, "IE too large (%td bytes)\n",
393				sme->ie_len);
394			goto out;
395		}
396		/* For secure assoc, send WMI_DELETE_CIPHER_KEY_CMD */
397		rc = wmi_del_cipher_key(wil, 0, bss->bssid);
398		if (rc) {
399			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
400			goto out;
401		}
402	}
403
404	/* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
405	 * elements. Send it also in case it's empty, to erase previously set
406	 * ies in FW.
407	 */
408	rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
409	if (rc) {
410		wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
411		goto out;
412	}
413
414	/* WMI_CONNECT_CMD */
415	memset(&conn, 0, sizeof(conn));
416	switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
417	case WLAN_CAPABILITY_DMG_TYPE_AP:
418		conn.network_type = WMI_NETTYPE_INFRA;
419		break;
420	case WLAN_CAPABILITY_DMG_TYPE_PBSS:
421		conn.network_type = WMI_NETTYPE_P2P;
422		break;
423	default:
424		wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
425			bss->capability);
426		goto out;
427	}
428	if (rsn_eid) {
429		conn.dot11_auth_mode = WMI_AUTH11_SHARED;
430		conn.auth_mode = WMI_AUTH_WPA2_PSK;
431		conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
432		conn.pairwise_crypto_len = 16;
433	} else {
434		conn.dot11_auth_mode = WMI_AUTH11_OPEN;
435		conn.auth_mode = WMI_AUTH_NONE;
436	}
437
438	conn.ssid_len = min_t(u8, ssid_eid[1], 32);
439	memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
440
441	ch = bss->channel->hw_value;
442	if (ch == 0) {
443		wil_err(wil, "BSS at unknown frequency %dMhz\n",
444			bss->channel->center_freq);
445		rc = -EOPNOTSUPP;
446		goto out;
447	}
448	conn.channel = ch - 1;
449
450	memcpy(conn.bssid, bss->bssid, ETH_ALEN);
451	memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);
452
453	set_bit(wil_status_fwconnecting, &wil->status);
454
455	rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
456	if (rc == 0) {
457		/* Connect can take lots of time */
458		mod_timer(&wil->connect_timer,
459			  jiffies + msecs_to_jiffies(2000));
460	} else {
461		clear_bit(wil_status_fwconnecting, &wil->status);
462	}
463
464 out:
465	cfg80211_put_bss(wiphy, bss);
466
467	return rc;
468}
469
470static int wil_cfg80211_disconnect(struct wiphy *wiphy,
471				   struct net_device *ndev,
472				   u16 reason_code)
473{
474	int rc;
475	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
476
477	rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
478
479	return rc;
480}
481
482int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
483			 struct cfg80211_mgmt_tx_params *params,
484			 u64 *cookie)
485{
486	const u8 *buf = params->buf;
487	size_t len = params->len;
488	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
489	int rc;
490	bool tx_status = false;
491	struct ieee80211_mgmt *mgmt_frame = (void *)buf;
492	struct wmi_sw_tx_req_cmd *cmd;
493	struct {
494		struct wil6210_mbox_hdr_wmi wmi;
495		struct wmi_sw_tx_complete_event evt;
496	} __packed evt;
497
498	cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
499	if (!cmd) {
500		rc = -ENOMEM;
501		goto out;
502	}
503
504	memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
505	cmd->len = cpu_to_le16(len);
506	memcpy(cmd->payload, buf, len);
507
508	rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
509		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
510	if (rc == 0)
511		tx_status = !evt.evt.status;
512
513	kfree(cmd);
514 out:
515	cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
516				tx_status, GFP_KERNEL);
517	return rc;
518}
519
520static int wil_cfg80211_set_channel(struct wiphy *wiphy,
521				    struct cfg80211_chan_def *chandef)
522{
523	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
524	struct wireless_dev *wdev = wil->wdev;
525
526	wdev->preset_chandef = *chandef;
527
528	return 0;
529}
530
531static int wil_cfg80211_add_key(struct wiphy *wiphy,
532				struct net_device *ndev,
533				u8 key_index, bool pairwise,
534				const u8 *mac_addr,
535				struct key_params *params)
536{
537	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
538
539	/* group key is not used */
540	if (!pairwise)
541		return 0;
542
543	return wmi_add_cipher_key(wil, key_index, mac_addr,
544				  params->key_len, params->key);
545}
546
547static int wil_cfg80211_del_key(struct wiphy *wiphy,
548				struct net_device *ndev,
549				u8 key_index, bool pairwise,
550				const u8 *mac_addr)
551{
552	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
553
554	/* group key is not used */
555	if (!pairwise)
556		return 0;
557
558	return wmi_del_cipher_key(wil, key_index, mac_addr);
559}
560
561/* Need to be present or wiphy_new() will WARN */
562static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
563					struct net_device *ndev,
564					u8 key_index, bool unicast,
565					bool multicast)
566{
567	return 0;
568}
569
570static int wil_remain_on_channel(struct wiphy *wiphy,
571				 struct wireless_dev *wdev,
572				 struct ieee80211_channel *chan,
573				 unsigned int duration,
574				 u64 *cookie)
575{
576	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
577	int rc;
578
579	/* TODO: handle duration */
580	wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
581
582	rc = wmi_set_channel(wil, chan->hw_value);
583	if (rc)
584		return rc;
585
586	rc = wmi_rxon(wil, true);
587
588	return rc;
589}
590
591static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
592					struct wireless_dev *wdev,
593					u64 cookie)
594{
595	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
596	int rc;
597
598	wil_info(wil, "%s()\n", __func__);
599
600	rc = wmi_rxon(wil, false);
601
602	return rc;
603}
604
605static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
606{
607	print_hex_dump_bytes("head     ", DUMP_PREFIX_OFFSET,
608			     b->head, b->head_len);
609	print_hex_dump_bytes("tail     ", DUMP_PREFIX_OFFSET,
610			     b->tail, b->tail_len);
611	print_hex_dump_bytes("BCON IE  ", DUMP_PREFIX_OFFSET,
612			     b->beacon_ies, b->beacon_ies_len);
613	print_hex_dump_bytes("PROBE    ", DUMP_PREFIX_OFFSET,
614			     b->probe_resp, b->probe_resp_len);
615	print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
616			     b->proberesp_ies, b->proberesp_ies_len);
617	print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
618			     b->assocresp_ies, b->assocresp_ies_len);
619}
620
621static void wil_print_crypto(struct wil6210_priv *wil,
622			     struct cfg80211_crypto_settings *c)
623{
624	wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
625		     c->wpa_versions, c->cipher_group);
626	wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise);
627	wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites);
628	wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
629		     c->control_port, be16_to_cpu(c->control_port_ethertype),
630		     c->control_port_no_encrypt);
631}
632
633static int wil_fix_bcon(struct wil6210_priv *wil,
634			struct cfg80211_beacon_data *bcon)
635{
636	struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
637	size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
638	int rc = 0;
639
640	if (bcon->probe_resp_len <= hlen)
641		return 0;
642
643	if (!bcon->proberesp_ies) {
644		bcon->proberesp_ies = f->u.probe_resp.variable;
645		bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
646		rc = 1;
647	}
648	if (!bcon->assocresp_ies) {
649		bcon->assocresp_ies = f->u.probe_resp.variable;
650		bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
651		rc = 1;
652	}
653
654	return rc;
655}
656
657static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
658				      struct net_device *ndev,
659				      struct cfg80211_beacon_data *bcon)
660{
661	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
662	int rc;
663
664	wil_dbg_misc(wil, "%s()\n", __func__);
665
666	if (wil_fix_bcon(wil, bcon)) {
667		wil_dbg_misc(wil, "Fixed bcon\n");
668		wil_print_bcon_data(bcon);
669	}
670
671	/* FW do not form regular beacon, so bcon IE's are not set
672	 * For the DMG bcon, when it will be supported, bcon IE's will
673	 * be reused; add something like:
674	 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
675	 * bcon->beacon_ies);
676	 */
677	rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP,
678			bcon->proberesp_ies_len,
679			bcon->proberesp_ies);
680	if (rc) {
681		wil_err(wil, "set_ie(PROBE_RESP) failed\n");
682		return rc;
683	}
684
685	rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
686			bcon->assocresp_ies_len,
687			bcon->assocresp_ies);
688	if (rc) {
689		wil_err(wil, "set_ie(ASSOC_RESP) failed\n");
690		return rc;
691	}
692
693	return 0;
694}
695
696static int wil_cfg80211_start_ap(struct wiphy *wiphy,
697				 struct net_device *ndev,
698				 struct cfg80211_ap_settings *info)
699{
700	int rc = 0;
701	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
702	struct wireless_dev *wdev = ndev->ieee80211_ptr;
703	struct ieee80211_channel *channel = info->chandef.chan;
704	struct cfg80211_beacon_data *bcon = &info->beacon;
705	struct cfg80211_crypto_settings *crypto = &info->crypto;
706	u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
707
708	wil_dbg_misc(wil, "%s()\n", __func__);
709
710	if (!channel) {
711		wil_err(wil, "AP: No channel???\n");
712		return -EINVAL;
713	}
714
715	wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
716		     channel->center_freq, info->privacy ? "secure" : "open");
717	wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
718		     info->privacy, info->auth_type);
719	wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
720		     info->dtim_period);
721	print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
722			     info->ssid, info->ssid_len);
723	wil_print_bcon_data(bcon);
724	wil_print_crypto(wil, crypto);
725
726	if (wil_fix_bcon(wil, bcon)) {
727		wil_dbg_misc(wil, "Fixed bcon\n");
728		wil_print_bcon_data(bcon);
729	}
730
731	wil_set_recovery_state(wil, fw_recovery_idle);
732
733	mutex_lock(&wil->mutex);
734
735	__wil_down(wil);
736	rc = __wil_up(wil);
737	if (rc)
738		goto out;
739
740	rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
741	if (rc)
742		goto out;
743
744	/* IE's */
745	/* bcon 'head IE's are not relevant for 60g band */
746	/*
747	 * FW do not form regular beacon, so bcon IE's are not set
748	 * For the DMG bcon, when it will be supported, bcon IE's will
749	 * be reused; add something like:
750	 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
751	 * bcon->beacon_ies);
752	 */
753	wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
754		   bcon->proberesp_ies);
755	wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
756		   bcon->assocresp_ies);
757
758	wil->secure_pcp = info->privacy;
759
760	rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
761			   channel->hw_value);
762	if (rc)
763		goto out;
764
765	netif_carrier_on(ndev);
766
767out:
768	mutex_unlock(&wil->mutex);
769	return rc;
770}
771
772static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
773				struct net_device *ndev)
774{
775	int rc, rc1;
776	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
777
778	wil_dbg_misc(wil, "%s()\n", __func__);
779
780	wil_set_recovery_state(wil, fw_recovery_idle);
781
782	mutex_lock(&wil->mutex);
783
784	rc = wmi_pcp_stop(wil);
785
786	__wil_down(wil);
787	rc1 = __wil_up(wil);
788
789	mutex_unlock(&wil->mutex);
790
791	return min(rc, rc1);
792}
793
794static int wil_cfg80211_del_station(struct wiphy *wiphy,
795				    struct net_device *dev, const u8 *mac)
796{
797	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
798
799	mutex_lock(&wil->mutex);
800	wil6210_disconnect(wil, mac);
801	mutex_unlock(&wil->mutex);
802
803	return 0;
804}
805
806static struct cfg80211_ops wil_cfg80211_ops = {
807	.scan = wil_cfg80211_scan,
808	.connect = wil_cfg80211_connect,
809	.disconnect = wil_cfg80211_disconnect,
810	.change_virtual_intf = wil_cfg80211_change_iface,
811	.get_station = wil_cfg80211_get_station,
812	.dump_station = wil_cfg80211_dump_station,
813	.remain_on_channel = wil_remain_on_channel,
814	.cancel_remain_on_channel = wil_cancel_remain_on_channel,
815	.mgmt_tx = wil_cfg80211_mgmt_tx,
816	.set_monitor_channel = wil_cfg80211_set_channel,
817	.add_key = wil_cfg80211_add_key,
818	.del_key = wil_cfg80211_del_key,
819	.set_default_key = wil_cfg80211_set_default_key,
820	/* AP mode */
821	.change_beacon = wil_cfg80211_change_beacon,
822	.start_ap = wil_cfg80211_start_ap,
823	.stop_ap = wil_cfg80211_stop_ap,
824	.del_station = wil_cfg80211_del_station,
825};
826
827static void wil_wiphy_init(struct wiphy *wiphy)
828{
829	/* TODO: set real value */
830	wiphy->max_scan_ssids = 10;
831	wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
832	wiphy->max_num_pmkids = 0 /* TODO: */;
833	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
834				 BIT(NL80211_IFTYPE_AP) |
835				 BIT(NL80211_IFTYPE_MONITOR);
836	/* TODO: enable P2P when integrated with supplicant:
837	 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
838	 */
839	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
840			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
841	dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
842		__func__, wiphy->flags);
843	wiphy->probe_resp_offload =
844		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
845		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
846		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
847
848	wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
849
850	/* TODO: figure this out */
851	wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
852
853	wiphy->cipher_suites = wil_cipher_suites;
854	wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
855	wiphy->mgmt_stypes = wil_mgmt_stypes;
856}
857
858struct wireless_dev *wil_cfg80211_init(struct device *dev)
859{
860	int rc = 0;
861	struct wireless_dev *wdev;
862
863	dev_dbg(dev, "%s()\n", __func__);
864
865	wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
866	if (!wdev)
867		return ERR_PTR(-ENOMEM);
868
869	wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
870				sizeof(struct wil6210_priv));
871	if (!wdev->wiphy) {
872		rc = -ENOMEM;
873		goto out;
874	}
875
876	set_wiphy_dev(wdev->wiphy, dev);
877	wil_wiphy_init(wdev->wiphy);
878
879	rc = wiphy_register(wdev->wiphy);
880	if (rc < 0)
881		goto out_failed_reg;
882
883	return wdev;
884
885out_failed_reg:
886	wiphy_free(wdev->wiphy);
887out:
888	kfree(wdev);
889
890	return ERR_PTR(rc);
891}
892
893void wil_wdev_free(struct wil6210_priv *wil)
894{
895	struct wireless_dev *wdev = wil_to_wdev(wil);
896
897	dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
898
899	if (!wdev)
900		return;
901
902	wiphy_unregister(wdev->wiphy);
903	wiphy_free(wdev->wiphy);
904	kfree(wdev);
905}
906