1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
5  */
6 
7 #include <linux/etherdevice.h>
8 #include <linux/moduleparam.h>
9 #include <net/netlink.h>
10 #include <net/cfg80211.h>
11 #include "wil6210.h"
12 #include "wmi.h"
13 #include "fw.h"
14 
15 #define WIL_MAX_ROC_DURATION_MS 5000
16 
17 #define WIL_EDMG_CHANNEL_9_SUBCHANNELS	(BIT(0) | BIT(1))
18 #define WIL_EDMG_CHANNEL_10_SUBCHANNELS	(BIT(1) | BIT(2))
19 #define WIL_EDMG_CHANNEL_11_SUBCHANNELS	(BIT(2) | BIT(3))
20 
21 /* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth
22  * configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13.
23  * The value 5 allowing CB1 and CB2 of adjacent channels.
24  */
25 #define WIL_EDMG_BW_CONFIGURATION 5
26 
27 /* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that
28  * are allowed to be used for EDMG transmissions in the BSS as defined by
29  * IEEE 802.11 section 9.4.2.251.
30  */
31 #define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
32 
33 bool disable_ap_sme;
34 module_param(disable_ap_sme, bool, 0444);
35 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
36 
37 #ifdef CONFIG_PM
38 static struct wiphy_wowlan_support wil_wowlan_support = {
39 	.flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
40 };
41 #endif
42 
43 #define CHAN60G(_channel, _flags) {				\
44 	.band			= NL80211_BAND_60GHZ,		\
45 	.center_freq		= 56160 + (2160 * (_channel)),	\
46 	.hw_value		= (_channel),			\
47 	.flags			= (_flags),			\
48 	.max_antenna_gain	= 0,				\
49 	.max_power		= 40,				\
50 }
51 
52 static struct ieee80211_channel wil_60ghz_channels[] = {
53 	CHAN60G(1, 0),
54 	CHAN60G(2, 0),
55 	CHAN60G(3, 0),
56 	CHAN60G(4, 0),
57 };
58 
59 /* Rx channel bonding mode */
60 enum wil_rx_cb_mode {
61 	WIL_RX_CB_MODE_DMG,
62 	WIL_RX_CB_MODE_EDMG,
63 	WIL_RX_CB_MODE_WIDE,
64 };
65 
wil_rx_cb_mode_to_n_bonded(u8 cb_mode)66 static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
67 {
68 	switch (cb_mode) {
69 	case WIL_RX_CB_MODE_DMG:
70 	case WIL_RX_CB_MODE_EDMG:
71 		return 1;
72 	case WIL_RX_CB_MODE_WIDE:
73 		return 2;
74 	default:
75 		return 1;
76 	}
77 }
78 
wil_tx_cb_mode_to_n_bonded(u8 cb_mode)79 static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
80 {
81 	switch (cb_mode) {
82 	case WMI_TX_MODE_DMG:
83 	case WMI_TX_MODE_EDMG_CB1:
84 		return 1;
85 	case WMI_TX_MODE_EDMG_CB2:
86 		return 2;
87 	default:
88 		return 1;
89 	}
90 }
91 
92 static void
wil_memdup_ie(u8 ** pdst,size_t * pdst_len,const u8 * src,size_t src_len)93 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
94 {
95 	kfree(*pdst);
96 	*pdst = NULL;
97 	*pdst_len = 0;
98 	if (src_len > 0) {
99 		*pdst = kmemdup(src, src_len, GFP_KERNEL);
100 		if (*pdst)
101 			*pdst_len = src_len;
102 	}
103 }
104 
wil_num_supported_channels(struct wil6210_priv * wil)105 static int wil_num_supported_channels(struct wil6210_priv *wil)
106 {
107 	int num_channels = ARRAY_SIZE(wil_60ghz_channels);
108 
109 	if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
110 		num_channels--;
111 
112 	return num_channels;
113 }
114 
update_supported_bands(struct wil6210_priv * wil)115 void update_supported_bands(struct wil6210_priv *wil)
116 {
117 	struct wiphy *wiphy = wil_to_wiphy(wil);
118 
119 	wil_dbg_misc(wil, "update supported bands");
120 
121 	wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
122 						wil_num_supported_channels(wil);
123 
124 	if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
125 		wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels =
126 							WIL_EDMG_CHANNELS;
127 		wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config =
128 						      WIL_EDMG_BW_CONFIGURATION;
129 	}
130 }
131 
132 /* Vendor id to be used in vendor specific command and events
133  * to user space.
134  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
135  * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
136  * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
137  * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
138  */
139 
140 #define QCA_NL80211_VENDOR_ID	0x001374
141 
142 #define WIL_MAX_RF_SECTORS (128)
143 #define WIL_CID_ALL (0xff)
144 
145 enum qca_wlan_vendor_attr_rf_sector {
146 	QCA_ATTR_MAC_ADDR = 6,
147 	QCA_ATTR_PAD = 13,
148 	QCA_ATTR_TSF = 29,
149 	QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
150 	QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
151 	QCA_ATTR_DMG_RF_MODULE_MASK = 32,
152 	QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
153 	QCA_ATTR_DMG_RF_SECTOR_MAX,
154 };
155 
156 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
157 	QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
158 	QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
159 	QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
160 };
161 
162 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
163 	QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
164 	QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
165 	QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
166 	QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
167 	QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
168 	QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
169 	QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
170 	QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
171 
172 	/* keep last */
173 	QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
174 	QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
175 	QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
176 };
177 
178 static const struct
179 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
180 	[QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
181 	[QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
182 	[QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
183 	[QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
184 	[QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
185 };
186 
187 static const struct
188 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
189 	[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
190 	[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
191 	[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
192 	[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
193 	[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
194 	[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
195 	[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
196 };
197 
198 enum qca_nl80211_vendor_subcmds {
199 	QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
200 	QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
201 	QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
202 	QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
203 };
204 
205 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
206 				 struct wireless_dev *wdev,
207 				 const void *data, int data_len);
208 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
209 				 struct wireless_dev *wdev,
210 				 const void *data, int data_len);
211 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
212 				      struct wireless_dev *wdev,
213 				      const void *data, int data_len);
214 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
215 				      struct wireless_dev *wdev,
216 				      const void *data, int data_len);
217 
218 /* vendor specific commands */
219 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
220 	{
221 		.info.vendor_id = QCA_NL80211_VENDOR_ID,
222 		.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
223 		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
224 			 WIPHY_VENDOR_CMD_NEED_RUNNING,
225 		.policy = wil_rf_sector_policy,
226 		.doit = wil_rf_sector_get_cfg
227 	},
228 	{
229 		.info.vendor_id = QCA_NL80211_VENDOR_ID,
230 		.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
231 		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
232 			 WIPHY_VENDOR_CMD_NEED_RUNNING,
233 		.policy = wil_rf_sector_policy,
234 		.doit = wil_rf_sector_set_cfg
235 	},
236 	{
237 		.info.vendor_id = QCA_NL80211_VENDOR_ID,
238 		.info.subcmd =
239 			QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
240 		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
241 			 WIPHY_VENDOR_CMD_NEED_RUNNING,
242 		.policy = wil_rf_sector_policy,
243 		.doit = wil_rf_sector_get_selected
244 	},
245 	{
246 		.info.vendor_id = QCA_NL80211_VENDOR_ID,
247 		.info.subcmd =
248 			QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
249 		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
250 			 WIPHY_VENDOR_CMD_NEED_RUNNING,
251 		.policy = wil_rf_sector_policy,
252 		.doit = wil_rf_sector_set_selected
253 	},
254 };
255 
256 static struct ieee80211_supported_band wil_band_60ghz = {
257 	.channels = wil_60ghz_channels,
258 	.n_channels = ARRAY_SIZE(wil_60ghz_channels),
259 	.ht_cap = {
260 		.ht_supported = true,
261 		.cap = 0, /* TODO */
262 		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
263 		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
264 		.mcs = {
265 				/* MCS 1..12 - SC PHY */
266 			.rx_mask = {0xfe, 0x1f}, /* 1..12 */
267 			.tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
268 		},
269 	},
270 };
271 
272 static const struct ieee80211_txrx_stypes
273 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
274 	[NL80211_IFTYPE_STATION] = {
275 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
276 		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
277 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
278 		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
279 	},
280 	[NL80211_IFTYPE_AP] = {
281 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
282 		BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
283 		BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
284 		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
285 		BIT(IEEE80211_STYPE_AUTH >> 4) |
286 		BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
287 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
288 		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
289 		BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
290 		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
291 		BIT(IEEE80211_STYPE_AUTH >> 4) |
292 		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
293 		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
294 	},
295 	[NL80211_IFTYPE_P2P_CLIENT] = {
296 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
297 		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
298 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
299 		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
300 	},
301 	[NL80211_IFTYPE_P2P_GO] = {
302 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
303 		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
304 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
305 		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
306 	},
307 	[NL80211_IFTYPE_P2P_DEVICE] = {
308 		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
309 		BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
310 		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
311 		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
312 	},
313 };
314 
315 static const u32 wil_cipher_suites[] = {
316 	WLAN_CIPHER_SUITE_GCMP,
317 };
318 
319 static const char * const key_usage_str[] = {
320 	[WMI_KEY_USE_PAIRWISE]	= "PTK",
321 	[WMI_KEY_USE_RX_GROUP]	= "RX_GTK",
322 	[WMI_KEY_USE_TX_GROUP]	= "TX_GTK",
323 	[WMI_KEY_USE_STORE_PTK]	= "STORE_PTK",
324 	[WMI_KEY_USE_APPLY_PTK]	= "APPLY_PTK",
325 };
326 
wil_iftype_nl2wmi(enum nl80211_iftype type)327 int wil_iftype_nl2wmi(enum nl80211_iftype type)
328 {
329 	static const struct {
330 		enum nl80211_iftype nl;
331 		enum wmi_network_type wmi;
332 	} __nl2wmi[] = {
333 		{NL80211_IFTYPE_ADHOC,		WMI_NETTYPE_ADHOC},
334 		{NL80211_IFTYPE_STATION,	WMI_NETTYPE_INFRA},
335 		{NL80211_IFTYPE_AP,		WMI_NETTYPE_AP},
336 		{NL80211_IFTYPE_P2P_CLIENT,	WMI_NETTYPE_P2P},
337 		{NL80211_IFTYPE_P2P_GO,		WMI_NETTYPE_P2P},
338 		{NL80211_IFTYPE_MONITOR,	WMI_NETTYPE_ADHOC}, /* FIXME */
339 	};
340 	uint i;
341 
342 	for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
343 		if (__nl2wmi[i].nl == type)
344 			return __nl2wmi[i].wmi;
345 	}
346 
347 	return -EOPNOTSUPP;
348 }
349 
wil_spec2wmi_ch(u8 spec_ch,u8 * wmi_ch)350 int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch)
351 {
352 	switch (spec_ch) {
353 	case 1:
354 		*wmi_ch = WMI_CHANNEL_1;
355 		break;
356 	case 2:
357 		*wmi_ch = WMI_CHANNEL_2;
358 		break;
359 	case 3:
360 		*wmi_ch = WMI_CHANNEL_3;
361 		break;
362 	case 4:
363 		*wmi_ch = WMI_CHANNEL_4;
364 		break;
365 	case 5:
366 		*wmi_ch = WMI_CHANNEL_5;
367 		break;
368 	case 6:
369 		*wmi_ch = WMI_CHANNEL_6;
370 		break;
371 	case 9:
372 		*wmi_ch = WMI_CHANNEL_9;
373 		break;
374 	case 10:
375 		*wmi_ch = WMI_CHANNEL_10;
376 		break;
377 	case 11:
378 		*wmi_ch = WMI_CHANNEL_11;
379 		break;
380 	case 12:
381 		*wmi_ch = WMI_CHANNEL_12;
382 		break;
383 	default:
384 		return -EINVAL;
385 	}
386 
387 	return 0;
388 }
389 
wil_wmi2spec_ch(u8 wmi_ch,u8 * spec_ch)390 int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch)
391 {
392 	switch (wmi_ch) {
393 	case WMI_CHANNEL_1:
394 		*spec_ch = 1;
395 		break;
396 	case WMI_CHANNEL_2:
397 		*spec_ch = 2;
398 		break;
399 	case WMI_CHANNEL_3:
400 		*spec_ch = 3;
401 		break;
402 	case WMI_CHANNEL_4:
403 		*spec_ch = 4;
404 		break;
405 	case WMI_CHANNEL_5:
406 		*spec_ch = 5;
407 		break;
408 	case WMI_CHANNEL_6:
409 		*spec_ch = 6;
410 		break;
411 	case WMI_CHANNEL_9:
412 		*spec_ch = 9;
413 		break;
414 	case WMI_CHANNEL_10:
415 		*spec_ch = 10;
416 		break;
417 	case WMI_CHANNEL_11:
418 		*spec_ch = 11;
419 		break;
420 	case WMI_CHANNEL_12:
421 		*spec_ch = 12;
422 		break;
423 	default:
424 		return -EINVAL;
425 	}
426 
427 	return 0;
428 }
429 
wil_cid_fill_sinfo(struct wil6210_vif * vif,int cid,struct station_info * sinfo)430 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
431 		       struct station_info *sinfo)
432 {
433 	struct wil6210_priv *wil = vif_to_wil(vif);
434 	struct wmi_notify_req_cmd cmd = {
435 		.cid = cid,
436 		.interval_usec = 0,
437 	};
438 	struct {
439 		struct wmi_cmd_hdr wmi;
440 		struct wmi_notify_req_done_event evt;
441 	} __packed reply;
442 	struct wil_net_stats *stats = &wil->sta[cid].stats;
443 	int rc;
444 	u8 tx_mcs, rx_mcs;
445 	u8 tx_rate_flag = RATE_INFO_FLAGS_DMG;
446 	u8 rx_rate_flag = RATE_INFO_FLAGS_DMG;
447 
448 	memset(&reply, 0, sizeof(reply));
449 
450 	rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
451 		      WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply),
452 		      WIL_WMI_CALL_GENERAL_TO_MS);
453 	if (rc)
454 		return rc;
455 
456 	tx_mcs = le16_to_cpu(reply.evt.bf_mcs);
457 
458 	wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
459 		    "  MCS %s TSF 0x%016llx\n"
460 		    "  BF status 0x%08x RSSI %d SQI %d%%\n"
461 		    "  Tx Tpt %d goodput %d Rx goodput %d\n"
462 		    "  Sectors(rx:tx) my %d:%d peer %d:%d\n"
463 		    "  Tx mode %d}\n",
464 		    cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_mcs),
465 		    le64_to_cpu(reply.evt.tsf), reply.evt.status,
466 		    reply.evt.rssi,
467 		    reply.evt.sqi,
468 		    le32_to_cpu(reply.evt.tx_tpt),
469 		    le32_to_cpu(reply.evt.tx_goodput),
470 		    le32_to_cpu(reply.evt.rx_goodput),
471 		    le16_to_cpu(reply.evt.my_rx_sector),
472 		    le16_to_cpu(reply.evt.my_tx_sector),
473 		    le16_to_cpu(reply.evt.other_rx_sector),
474 		    le16_to_cpu(reply.evt.other_tx_sector),
475 		    reply.evt.tx_mode);
476 
477 	sinfo->generation = wil->sinfo_gen;
478 
479 	sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
480 			BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
481 			BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
482 			BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
483 			BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
484 			BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
485 			BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
486 			BIT_ULL(NL80211_STA_INFO_TX_FAILED);
487 
488 	if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) {
489 		tx_rate_flag = RATE_INFO_FLAGS_EDMG;
490 		rx_rate_flag = RATE_INFO_FLAGS_EDMG;
491 	}
492 
493 	rx_mcs = stats->last_mcs_rx;
494 
495 	/* check extended MCS (12.1) and convert it into
496 	 * base MCS (7) + EXTENDED_SC_DMG flag
497 	 */
498 	if (tx_mcs == WIL_EXTENDED_MCS_26) {
499 		tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
500 		tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
501 	}
502 	if (rx_mcs == WIL_EXTENDED_MCS_26) {
503 		rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
504 		rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
505 	}
506 
507 	sinfo->txrate.flags = tx_rate_flag;
508 	sinfo->rxrate.flags = rx_rate_flag;
509 	sinfo->txrate.mcs = tx_mcs;
510 	sinfo->rxrate.mcs = rx_mcs;
511 
512 	sinfo->txrate.n_bonded_ch =
513 				  wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
514 	sinfo->rxrate.n_bonded_ch =
515 			     wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
516 	sinfo->rx_bytes = stats->rx_bytes;
517 	sinfo->rx_packets = stats->rx_packets;
518 	sinfo->rx_dropped_misc = stats->rx_dropped;
519 	sinfo->tx_bytes = stats->tx_bytes;
520 	sinfo->tx_packets = stats->tx_packets;
521 	sinfo->tx_failed = stats->tx_errors;
522 
523 	if (test_bit(wil_vif_fwconnected, vif->status)) {
524 		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
525 		if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
526 			     wil->fw_capabilities))
527 			sinfo->signal = reply.evt.rssi;
528 		else
529 			sinfo->signal = reply.evt.sqi;
530 	}
531 
532 	return rc;
533 }
534 
wil_cfg80211_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)535 static int wil_cfg80211_get_station(struct wiphy *wiphy,
536 				    struct net_device *ndev,
537 				    const u8 *mac, struct station_info *sinfo)
538 {
539 	struct wil6210_vif *vif = ndev_to_vif(ndev);
540 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
541 	int rc;
542 
543 	int cid = wil_find_cid(wil, vif->mid, mac);
544 
545 	wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
546 		     vif->mid);
547 	if (!wil_cid_valid(wil, cid))
548 		return -ENOENT;
549 
550 	rc = wil_cid_fill_sinfo(vif, cid, sinfo);
551 
552 	return rc;
553 }
554 
555 /*
556  * Find @idx-th active STA for specific MID for station dump.
557  */
wil_find_cid_by_idx(struct wil6210_priv * wil,u8 mid,int idx)558 int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
559 {
560 	int i;
561 
562 	for (i = 0; i < wil->max_assoc_sta; i++) {
563 		if (wil->sta[i].status == wil_sta_unused)
564 			continue;
565 		if (wil->sta[i].mid != mid)
566 			continue;
567 		if (idx == 0)
568 			return i;
569 		idx--;
570 	}
571 
572 	return -ENOENT;
573 }
574 
wil_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)575 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
576 				     struct net_device *dev, int idx,
577 				     u8 *mac, struct station_info *sinfo)
578 {
579 	struct wil6210_vif *vif = ndev_to_vif(dev);
580 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
581 	int rc;
582 	int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
583 
584 	if (!wil_cid_valid(wil, cid))
585 		return -ENOENT;
586 
587 	ether_addr_copy(mac, wil->sta[cid].addr);
588 	wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
589 		     vif->mid);
590 
591 	rc = wil_cid_fill_sinfo(vif, cid, sinfo);
592 
593 	return rc;
594 }
595 
wil_cfg80211_start_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)596 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
597 					 struct wireless_dev *wdev)
598 {
599 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
600 
601 	wil_dbg_misc(wil, "start_p2p_device: entered\n");
602 	wil->p2p_dev_started = 1;
603 	return 0;
604 }
605 
wil_cfg80211_stop_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)606 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
607 					 struct wireless_dev *wdev)
608 {
609 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
610 
611 	if (!wil->p2p_dev_started)
612 		return;
613 
614 	wil_dbg_misc(wil, "stop_p2p_device: entered\n");
615 	mutex_lock(&wil->mutex);
616 	mutex_lock(&wil->vif_mutex);
617 	wil_p2p_stop_radio_operations(wil);
618 	wil->p2p_dev_started = 0;
619 	mutex_unlock(&wil->vif_mutex);
620 	mutex_unlock(&wil->mutex);
621 }
622 
wil_cfg80211_validate_add_iface(struct wil6210_priv * wil,enum nl80211_iftype new_type)623 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
624 					   enum nl80211_iftype new_type)
625 {
626 	int i;
627 	struct wireless_dev *wdev;
628 	struct iface_combination_params params = {
629 		.num_different_channels = 1,
630 	};
631 
632 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
633 		if (wil->vifs[i]) {
634 			wdev = vif_to_wdev(wil->vifs[i]);
635 			params.iftype_num[wdev->iftype]++;
636 		}
637 	}
638 	params.iftype_num[new_type]++;
639 	return cfg80211_check_combinations(wil->wiphy, &params);
640 }
641 
wil_cfg80211_validate_change_iface(struct wil6210_priv * wil,struct wil6210_vif * vif,enum nl80211_iftype new_type)642 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
643 					      struct wil6210_vif *vif,
644 					      enum nl80211_iftype new_type)
645 {
646 	int i, ret = 0;
647 	struct wireless_dev *wdev;
648 	struct iface_combination_params params = {
649 		.num_different_channels = 1,
650 	};
651 	bool check_combos = false;
652 
653 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
654 		struct wil6210_vif *vif_pos = wil->vifs[i];
655 
656 		if (vif_pos && vif != vif_pos) {
657 			wdev = vif_to_wdev(vif_pos);
658 			params.iftype_num[wdev->iftype]++;
659 			check_combos = true;
660 		}
661 	}
662 
663 	if (check_combos) {
664 		params.iftype_num[new_type]++;
665 		ret = cfg80211_check_combinations(wil->wiphy, &params);
666 	}
667 	return ret;
668 }
669 
670 static struct wireless_dev *
wil_cfg80211_add_iface(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)671 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
672 		       unsigned char name_assign_type,
673 		       enum nl80211_iftype type,
674 		       struct vif_params *params)
675 {
676 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
677 	struct net_device *ndev_main = wil->main_ndev, *ndev;
678 	struct wil6210_vif *vif;
679 	struct wireless_dev *p2p_wdev, *wdev;
680 	int rc;
681 
682 	wil_dbg_misc(wil, "add_iface, type %d\n", type);
683 
684 	/* P2P device is not a real virtual interface, it is a management-only
685 	 * interface that shares the main interface.
686 	 * Skip concurrency checks here.
687 	 */
688 	if (type == NL80211_IFTYPE_P2P_DEVICE) {
689 		if (wil->p2p_wdev) {
690 			wil_err(wil, "P2P_DEVICE interface already created\n");
691 			return ERR_PTR(-EINVAL);
692 		}
693 
694 		p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
695 		if (!p2p_wdev)
696 			return ERR_PTR(-ENOMEM);
697 
698 		p2p_wdev->iftype = type;
699 		p2p_wdev->wiphy = wiphy;
700 		/* use our primary ethernet address */
701 		ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
702 
703 		wil->p2p_wdev = p2p_wdev;
704 
705 		return p2p_wdev;
706 	}
707 
708 	if (!wil->wiphy->n_iface_combinations) {
709 		wil_err(wil, "virtual interfaces not supported\n");
710 		return ERR_PTR(-EINVAL);
711 	}
712 
713 	rc = wil_cfg80211_validate_add_iface(wil, type);
714 	if (rc) {
715 		wil_err(wil, "iface validation failed, err=%d\n", rc);
716 		return ERR_PTR(rc);
717 	}
718 
719 	vif = wil_vif_alloc(wil, name, name_assign_type, type);
720 	if (IS_ERR(vif))
721 		return ERR_CAST(vif);
722 
723 	ndev = vif_to_ndev(vif);
724 	ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
725 	if (is_valid_ether_addr(params->macaddr)) {
726 		eth_hw_addr_set(ndev, params->macaddr);
727 	} else {
728 		u8 addr[ETH_ALEN];
729 
730 		ether_addr_copy(addr, ndev_main->perm_addr);
731 		addr[0] = (addr[0] ^ (1 << vif->mid)) |	0x2; /* locally administered */
732 		eth_hw_addr_set(ndev, addr);
733 	}
734 	wdev = vif_to_wdev(vif);
735 	ether_addr_copy(wdev->address, ndev->dev_addr);
736 
737 	rc = wil_vif_add(wil, vif);
738 	if (rc)
739 		goto out;
740 
741 	wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
742 		 vif->mid, type, wdev->address);
743 	return wdev;
744 out:
745 	wil_vif_free(vif);
746 	return ERR_PTR(rc);
747 }
748 
wil_vif_prepare_stop(struct wil6210_vif * vif)749 int wil_vif_prepare_stop(struct wil6210_vif *vif)
750 {
751 	struct wil6210_priv *wil = vif_to_wil(vif);
752 	struct wireless_dev *wdev = vif_to_wdev(vif);
753 	struct net_device *ndev;
754 	int rc;
755 
756 	if (wdev->iftype != NL80211_IFTYPE_AP)
757 		return 0;
758 
759 	ndev = vif_to_ndev(vif);
760 	if (netif_carrier_ok(ndev)) {
761 		rc = wmi_pcp_stop(vif);
762 		if (rc) {
763 			wil_info(wil, "failed to stop AP, status %d\n",
764 				 rc);
765 			/* continue */
766 		}
767 		wil_bcast_fini(vif);
768 		netif_carrier_off(ndev);
769 	}
770 
771 	return 0;
772 }
773 
wil_cfg80211_del_iface(struct wiphy * wiphy,struct wireless_dev * wdev)774 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
775 				  struct wireless_dev *wdev)
776 {
777 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
778 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
779 	int rc;
780 
781 	wil_dbg_misc(wil, "del_iface\n");
782 
783 	if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
784 		if (wdev != wil->p2p_wdev) {
785 			wil_err(wil, "delete of incorrect interface 0x%p\n",
786 				wdev);
787 			return -EINVAL;
788 		}
789 
790 		wil_cfg80211_stop_p2p_device(wiphy, wdev);
791 		wil_p2p_wdev_free(wil);
792 		return 0;
793 	}
794 
795 	if (vif->mid == 0) {
796 		wil_err(wil, "cannot remove the main interface\n");
797 		return -EINVAL;
798 	}
799 
800 	rc = wil_vif_prepare_stop(vif);
801 	if (rc)
802 		goto out;
803 
804 	wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
805 		 vif->mid, wdev->iftype, wdev->address);
806 
807 	wil_vif_remove(wil, vif->mid);
808 out:
809 	return rc;
810 }
811 
wil_is_safe_switch(enum nl80211_iftype from,enum nl80211_iftype to)812 static bool wil_is_safe_switch(enum nl80211_iftype from,
813 			       enum nl80211_iftype to)
814 {
815 	if (from == NL80211_IFTYPE_STATION &&
816 	    to == NL80211_IFTYPE_P2P_CLIENT)
817 		return true;
818 
819 	return false;
820 }
821 
wil_cfg80211_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)822 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
823 				     struct net_device *ndev,
824 				     enum nl80211_iftype type,
825 				     struct vif_params *params)
826 {
827 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
828 	struct wil6210_vif *vif = ndev_to_vif(ndev);
829 	struct wireless_dev *wdev = vif_to_wdev(vif);
830 	int rc;
831 	bool fw_reset = false;
832 
833 	wil_dbg_misc(wil, "change_iface: type=%d\n", type);
834 
835 	if (wiphy->n_iface_combinations) {
836 		rc = wil_cfg80211_validate_change_iface(wil, vif, type);
837 		if (rc) {
838 			wil_err(wil, "iface validation failed, err=%d\n", rc);
839 			return rc;
840 		}
841 	}
842 
843 	/* do not reset FW when there are active VIFs,
844 	 * because it can cause significant disruption
845 	 */
846 	if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
847 	    netif_running(ndev) && !wil_is_recovery_blocked(wil) &&
848 	    !wil_is_safe_switch(wdev->iftype, type)) {
849 		wil_dbg_misc(wil, "interface is up. resetting...\n");
850 		mutex_lock(&wil->mutex);
851 		__wil_down(wil);
852 		rc = __wil_up(wil);
853 		mutex_unlock(&wil->mutex);
854 
855 		if (rc)
856 			return rc;
857 		fw_reset = true;
858 	}
859 
860 	switch (type) {
861 	case NL80211_IFTYPE_STATION:
862 	case NL80211_IFTYPE_AP:
863 	case NL80211_IFTYPE_P2P_CLIENT:
864 	case NL80211_IFTYPE_P2P_GO:
865 		break;
866 	case NL80211_IFTYPE_MONITOR:
867 		if (params->flags)
868 			wil->monitor_flags = params->flags;
869 		break;
870 	default:
871 		return -EOPNOTSUPP;
872 	}
873 
874 	if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
875 		if (!fw_reset)
876 			wil_vif_prepare_stop(vif);
877 		rc = wmi_port_delete(wil, vif->mid);
878 		if (rc)
879 			return rc;
880 		rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
881 		if (rc)
882 			return rc;
883 	}
884 
885 	wdev->iftype = type;
886 	return 0;
887 }
888 
wil_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)889 static int wil_cfg80211_scan(struct wiphy *wiphy,
890 			     struct cfg80211_scan_request *request)
891 {
892 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
893 	struct wireless_dev *wdev = request->wdev;
894 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
895 	struct {
896 		struct wmi_start_scan_cmd cmd;
897 		u16 chnl[4];
898 	} __packed cmd;
899 	uint i, n;
900 	int rc;
901 
902 	wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
903 
904 	/* scan is supported on client interfaces and on AP interface */
905 	switch (wdev->iftype) {
906 	case NL80211_IFTYPE_STATION:
907 	case NL80211_IFTYPE_P2P_CLIENT:
908 	case NL80211_IFTYPE_P2P_DEVICE:
909 	case NL80211_IFTYPE_AP:
910 		break;
911 	default:
912 		return -EOPNOTSUPP;
913 	}
914 
915 	/* FW don't support scan after connection attempt */
916 	if (test_bit(wil_status_dontscan, wil->status)) {
917 		wil_err(wil, "Can't scan now\n");
918 		return -EBUSY;
919 	}
920 
921 	mutex_lock(&wil->mutex);
922 
923 	mutex_lock(&wil->vif_mutex);
924 	if (vif->scan_request || vif->p2p.discovery_started) {
925 		wil_err(wil, "Already scanning\n");
926 		mutex_unlock(&wil->vif_mutex);
927 		rc = -EAGAIN;
928 		goto out;
929 	}
930 	mutex_unlock(&wil->vif_mutex);
931 
932 	if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
933 		if (!wil->p2p_dev_started) {
934 			wil_err(wil, "P2P search requested on stopped P2P device\n");
935 			rc = -EIO;
936 			goto out;
937 		}
938 		/* social scan on P2P_DEVICE is handled as p2p search */
939 		if (wil_p2p_is_social_scan(request)) {
940 			vif->scan_request = request;
941 			if (vif->mid == 0)
942 				wil->radio_wdev = wdev;
943 			rc = wil_p2p_search(vif, request);
944 			if (rc) {
945 				if (vif->mid == 0)
946 					wil->radio_wdev =
947 						wil->main_ndev->ieee80211_ptr;
948 				vif->scan_request = NULL;
949 			}
950 			goto out;
951 		}
952 	}
953 
954 	(void)wil_p2p_stop_discovery(vif);
955 
956 	wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
957 	wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
958 
959 	for (i = 0; i < request->n_ssids; i++) {
960 		wil_dbg_misc(wil, "SSID[%d]", i);
961 		wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
962 				  request->ssids[i].ssid,
963 				  request->ssids[i].ssid_len, true);
964 	}
965 
966 	if (request->n_ssids)
967 		rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
968 				  request->ssids[0].ssid);
969 	else
970 		rc = wmi_set_ssid(vif, 0, NULL);
971 
972 	if (rc) {
973 		wil_err(wil, "set SSID for scan request failed: %d\n", rc);
974 		goto out;
975 	}
976 
977 	vif->scan_request = request;
978 	mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
979 
980 	memset(&cmd, 0, sizeof(cmd));
981 	cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
982 	cmd.cmd.num_channels = 0;
983 	n = min(request->n_channels, 4U);
984 	for (i = 0; i < n; i++) {
985 		int ch = request->channels[i]->hw_value;
986 
987 		if (ch == 0) {
988 			wil_err(wil,
989 				"Scan requested for unknown frequency %dMhz\n",
990 				request->channels[i]->center_freq);
991 			continue;
992 		}
993 		/* 0-based channel indexes */
994 		cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
995 		wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
996 			     request->channels[i]->center_freq);
997 	}
998 
999 	if (request->ie_len)
1000 		wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
1001 				  request->ie, request->ie_len, true);
1002 	else
1003 		wil_dbg_misc(wil, "Scan has no IE's\n");
1004 
1005 	rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
1006 			request->ie_len, request->ie);
1007 	if (rc)
1008 		goto out_restore;
1009 
1010 	if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
1011 		cmd.cmd.discovery_mode = 1;
1012 		wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
1013 	}
1014 
1015 	if (vif->mid == 0)
1016 		wil->radio_wdev = wdev;
1017 	rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
1018 		      &cmd, sizeof(cmd.cmd) +
1019 		      cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
1020 
1021 out_restore:
1022 	if (rc) {
1023 		del_timer_sync(&vif->scan_timer);
1024 		if (vif->mid == 0)
1025 			wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
1026 		vif->scan_request = NULL;
1027 	}
1028 out:
1029 	mutex_unlock(&wil->mutex);
1030 	return rc;
1031 }
1032 
wil_cfg80211_abort_scan(struct wiphy * wiphy,struct wireless_dev * wdev)1033 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
1034 				    struct wireless_dev *wdev)
1035 {
1036 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1037 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1038 
1039 	wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
1040 
1041 	mutex_lock(&wil->mutex);
1042 	mutex_lock(&wil->vif_mutex);
1043 
1044 	if (!vif->scan_request)
1045 		goto out;
1046 
1047 	if (wdev != vif->scan_request->wdev) {
1048 		wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
1049 		goto out;
1050 	}
1051 
1052 	if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
1053 		wil_p2p_stop_radio_operations(wil);
1054 	else
1055 		wil_abort_scan(vif, true);
1056 
1057 out:
1058 	mutex_unlock(&wil->vif_mutex);
1059 	mutex_unlock(&wil->mutex);
1060 }
1061 
wil_print_crypto(struct wil6210_priv * wil,struct cfg80211_crypto_settings * c)1062 static void wil_print_crypto(struct wil6210_priv *wil,
1063 			     struct cfg80211_crypto_settings *c)
1064 {
1065 	int i, n;
1066 
1067 	wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
1068 		     c->wpa_versions, c->cipher_group);
1069 	wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
1070 	n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
1071 	for (i = 0; i < n; i++)
1072 		wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1073 			     c->ciphers_pairwise[i]);
1074 	wil_dbg_misc(wil, "}\n");
1075 	wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
1076 	n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
1077 	for (i = 0; i < n; i++)
1078 		wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1079 			     c->akm_suites[i]);
1080 	wil_dbg_misc(wil, "}\n");
1081 	wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
1082 		     c->control_port, be16_to_cpu(c->control_port_ethertype),
1083 		     c->control_port_no_encrypt);
1084 }
1085 
1086 static const char *
wil_get_auth_type_name(enum nl80211_auth_type auth_type)1087 wil_get_auth_type_name(enum nl80211_auth_type auth_type)
1088 {
1089 	switch (auth_type) {
1090 	case NL80211_AUTHTYPE_OPEN_SYSTEM:
1091 		return "OPEN_SYSTEM";
1092 	case NL80211_AUTHTYPE_SHARED_KEY:
1093 		return "SHARED_KEY";
1094 	case NL80211_AUTHTYPE_FT:
1095 		return "FT";
1096 	case NL80211_AUTHTYPE_NETWORK_EAP:
1097 		return "NETWORK_EAP";
1098 	case NL80211_AUTHTYPE_SAE:
1099 		return "SAE";
1100 	case NL80211_AUTHTYPE_AUTOMATIC:
1101 		return "AUTOMATIC";
1102 	default:
1103 		return "unknown";
1104 	}
1105 }
wil_print_connect_params(struct wil6210_priv * wil,struct cfg80211_connect_params * sme)1106 static void wil_print_connect_params(struct wil6210_priv *wil,
1107 				     struct cfg80211_connect_params *sme)
1108 {
1109 	wil_info(wil, "Connecting to:\n");
1110 	if (sme->channel) {
1111 		wil_info(wil, "  Channel: %d freq %d\n",
1112 			 sme->channel->hw_value, sme->channel->center_freq);
1113 	}
1114 	if (sme->bssid)
1115 		wil_info(wil, "  BSSID: %pM\n", sme->bssid);
1116 	if (sme->ssid)
1117 		print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
1118 			       16, 1, sme->ssid, sme->ssid_len, true);
1119 	if (sme->prev_bssid)
1120 		wil_info(wil, "  Previous BSSID=%pM\n", sme->prev_bssid);
1121 	wil_info(wil, "  Auth Type: %s\n",
1122 		 wil_get_auth_type_name(sme->auth_type));
1123 	wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
1124 	wil_info(wil, "  PBSS: %d\n", sme->pbss);
1125 	wil_print_crypto(wil, &sme->crypto);
1126 }
1127 
wil_ft_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1128 static int wil_ft_connect(struct wiphy *wiphy,
1129 			  struct net_device *ndev,
1130 			  struct cfg80211_connect_params *sme)
1131 {
1132 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1133 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1134 	struct wmi_ft_auth_cmd auth_cmd;
1135 	int rc;
1136 
1137 	if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
1138 		wil_err(wil, "FT: FW does not support FT roaming\n");
1139 		return -EOPNOTSUPP;
1140 	}
1141 
1142 	if (!sme->prev_bssid) {
1143 		wil_err(wil, "FT: prev_bssid was not set\n");
1144 		return -EINVAL;
1145 	}
1146 
1147 	if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
1148 		wil_err(wil, "FT: can not roam to same AP\n");
1149 		return -EINVAL;
1150 	}
1151 
1152 	if (!test_bit(wil_vif_fwconnected, vif->status)) {
1153 		wil_err(wil, "FT: roam while not connected\n");
1154 		return -EINVAL;
1155 	}
1156 
1157 	if (vif->privacy != sme->privacy) {
1158 		wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
1159 			vif->privacy, sme->privacy);
1160 		return -EINVAL;
1161 	}
1162 
1163 	if (sme->pbss) {
1164 		wil_err(wil, "FT: roam is not valid for PBSS\n");
1165 		return -EINVAL;
1166 	}
1167 
1168 	memset(&auth_cmd, 0, sizeof(auth_cmd));
1169 	auth_cmd.channel = sme->channel->hw_value - 1;
1170 	ether_addr_copy(auth_cmd.bssid, sme->bssid);
1171 
1172 	wil_info(wil, "FT: roaming\n");
1173 
1174 	set_bit(wil_vif_ft_roam, vif->status);
1175 	rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
1176 		      &auth_cmd, sizeof(auth_cmd));
1177 	if (rc == 0)
1178 		mod_timer(&vif->connect_timer,
1179 			  jiffies + msecs_to_jiffies(5000));
1180 	else
1181 		clear_bit(wil_vif_ft_roam, vif->status);
1182 
1183 	return rc;
1184 }
1185 
wil_get_wmi_edmg_channel(struct wil6210_priv * wil,u8 edmg_bw_config,u8 edmg_channels,u8 * wmi_ch)1186 static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config,
1187 				    u8 edmg_channels, u8 *wmi_ch)
1188 {
1189 	if (!edmg_bw_config) {
1190 		*wmi_ch = 0;
1191 		return 0;
1192 	} else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) {
1193 		/* convert from edmg channel bitmap into edmg channel number */
1194 		switch (edmg_channels) {
1195 		case WIL_EDMG_CHANNEL_9_SUBCHANNELS:
1196 			return wil_spec2wmi_ch(9, wmi_ch);
1197 		case WIL_EDMG_CHANNEL_10_SUBCHANNELS:
1198 			return wil_spec2wmi_ch(10, wmi_ch);
1199 		case WIL_EDMG_CHANNEL_11_SUBCHANNELS:
1200 			return wil_spec2wmi_ch(11, wmi_ch);
1201 		default:
1202 			wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n",
1203 				edmg_channels);
1204 			return -EINVAL;
1205 		}
1206 	} else {
1207 		wil_err(wil, "Unsupported EDMG BW configuration %d\n",
1208 			edmg_bw_config);
1209 		return -EINVAL;
1210 	}
1211 }
1212 
wil_cfg80211_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1213 static int wil_cfg80211_connect(struct wiphy *wiphy,
1214 				struct net_device *ndev,
1215 				struct cfg80211_connect_params *sme)
1216 {
1217 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1218 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1219 	struct cfg80211_bss *bss;
1220 	struct wmi_connect_cmd conn;
1221 	const u8 *ssid_eid;
1222 	const u8 *rsn_eid;
1223 	int ch;
1224 	int rc = 0;
1225 	bool is_ft_roam = false;
1226 	u8 network_type;
1227 	enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
1228 
1229 	wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
1230 	wil_print_connect_params(wil, sme);
1231 
1232 	if (sme->auth_type == NL80211_AUTHTYPE_FT)
1233 		is_ft_roam = true;
1234 	if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
1235 	    test_bit(wil_vif_fwconnected, vif->status))
1236 		is_ft_roam = true;
1237 
1238 	if (!is_ft_roam)
1239 		if (test_bit(wil_vif_fwconnecting, vif->status) ||
1240 		    test_bit(wil_vif_fwconnected, vif->status))
1241 			return -EALREADY;
1242 
1243 	if (sme->ie_len > WMI_MAX_IE_LEN) {
1244 		wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
1245 		return -ERANGE;
1246 	}
1247 
1248 	rsn_eid = sme->ie ?
1249 			cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
1250 			NULL;
1251 	if (sme->privacy && !rsn_eid) {
1252 		wil_info(wil, "WSC connection\n");
1253 		if (is_ft_roam) {
1254 			wil_err(wil, "No WSC with FT roam\n");
1255 			return -EINVAL;
1256 		}
1257 	}
1258 
1259 	if (sme->pbss)
1260 		bss_type = IEEE80211_BSS_TYPE_PBSS;
1261 
1262 	bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1263 			       sme->ssid, sme->ssid_len,
1264 			       bss_type, IEEE80211_PRIVACY_ANY);
1265 	if (!bss) {
1266 		wil_err(wil, "Unable to find BSS\n");
1267 		return -ENOENT;
1268 	}
1269 
1270 	ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1271 	if (!ssid_eid) {
1272 		wil_err(wil, "No SSID\n");
1273 		rc = -ENOENT;
1274 		goto out;
1275 	}
1276 	vif->privacy = sme->privacy;
1277 	vif->pbss = sme->pbss;
1278 
1279 	rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
1280 	if (rc)
1281 		goto out;
1282 
1283 	switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
1284 	case WLAN_CAPABILITY_DMG_TYPE_AP:
1285 		network_type = WMI_NETTYPE_INFRA;
1286 		break;
1287 	case WLAN_CAPABILITY_DMG_TYPE_PBSS:
1288 		network_type = WMI_NETTYPE_P2P;
1289 		break;
1290 	default:
1291 		wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
1292 			bss->capability);
1293 		rc = -EINVAL;
1294 		goto out;
1295 	}
1296 
1297 	ch = bss->channel->hw_value;
1298 	if (ch == 0) {
1299 		wil_err(wil, "BSS at unknown frequency %dMhz\n",
1300 			bss->channel->center_freq);
1301 		rc = -EOPNOTSUPP;
1302 		goto out;
1303 	}
1304 
1305 	if (is_ft_roam) {
1306 		if (network_type != WMI_NETTYPE_INFRA) {
1307 			wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
1308 				bss->capability);
1309 			rc = -EINVAL;
1310 			goto out;
1311 		}
1312 		rc = wil_ft_connect(wiphy, ndev, sme);
1313 		if (rc == 0)
1314 			vif->bss = bss;
1315 		goto out;
1316 	}
1317 
1318 	if (vif->privacy) {
1319 		/* For secure assoc, remove old keys */
1320 		rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1321 					WMI_KEY_USE_PAIRWISE);
1322 		if (rc) {
1323 			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1324 			goto out;
1325 		}
1326 		rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1327 					WMI_KEY_USE_RX_GROUP);
1328 		if (rc) {
1329 			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1330 			goto out;
1331 		}
1332 	}
1333 
1334 	/* WMI_CONNECT_CMD */
1335 	memset(&conn, 0, sizeof(conn));
1336 	conn.network_type = network_type;
1337 	if (vif->privacy) {
1338 		if (rsn_eid) { /* regular secure connection */
1339 			conn.dot11_auth_mode = WMI_AUTH11_SHARED;
1340 			conn.auth_mode = WMI_AUTH_WPA2_PSK;
1341 			conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
1342 			conn.pairwise_crypto_len = 16;
1343 			conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
1344 			conn.group_crypto_len = 16;
1345 		} else { /* WSC */
1346 			conn.dot11_auth_mode = WMI_AUTH11_WSC;
1347 			conn.auth_mode = WMI_AUTH_NONE;
1348 		}
1349 	} else { /* insecure connection */
1350 		conn.dot11_auth_mode = WMI_AUTH11_OPEN;
1351 		conn.auth_mode = WMI_AUTH_NONE;
1352 	}
1353 
1354 	conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1355 	memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1356 	conn.channel = ch - 1;
1357 
1358 	rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config,
1359 				      sme->edmg.channels, &conn.edmg_channel);
1360 	if (rc < 0)
1361 		return rc;
1362 
1363 	ether_addr_copy(conn.bssid, bss->bssid);
1364 	ether_addr_copy(conn.dst_mac, bss->bssid);
1365 
1366 	set_bit(wil_vif_fwconnecting, vif->status);
1367 
1368 	rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1369 	if (rc == 0) {
1370 		netif_carrier_on(ndev);
1371 		if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1372 			wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1373 		vif->bss = bss;
1374 		/* Connect can take lots of time */
1375 		mod_timer(&vif->connect_timer,
1376 			  jiffies + msecs_to_jiffies(5000));
1377 	} else {
1378 		clear_bit(wil_vif_fwconnecting, vif->status);
1379 	}
1380 
1381  out:
1382 	cfg80211_put_bss(wiphy, bss);
1383 
1384 	return rc;
1385 }
1386 
wil_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1387 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1388 				   struct net_device *ndev,
1389 				   u16 reason_code)
1390 {
1391 	int rc;
1392 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1393 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1394 
1395 	wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1396 		     reason_code, vif->mid);
1397 
1398 	if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1399 	      test_bit(wil_vif_fwconnected, vif->status))) {
1400 		wil_err(wil, "Disconnect was called while disconnected\n");
1401 		return 0;
1402 	}
1403 
1404 	vif->locally_generated_disc = true;
1405 	rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1406 		      WMI_DISCONNECT_EVENTID, NULL, 0,
1407 		      WIL6210_DISCONNECT_TO_MS);
1408 	if (rc)
1409 		wil_err(wil, "disconnect error %d\n", rc);
1410 
1411 	return rc;
1412 }
1413 
wil_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)1414 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1415 {
1416 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1417 	int rc;
1418 
1419 	/* these parameters are explicitly not supported */
1420 	if (changed & (WIPHY_PARAM_RETRY_LONG |
1421 		       WIPHY_PARAM_FRAG_THRESHOLD |
1422 		       WIPHY_PARAM_RTS_THRESHOLD))
1423 		return -ENOTSUPP;
1424 
1425 	if (changed & WIPHY_PARAM_RETRY_SHORT) {
1426 		rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1427 		if (rc)
1428 			return rc;
1429 	}
1430 
1431 	return 0;
1432 }
1433 
wil_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)1434 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1435 			 struct cfg80211_mgmt_tx_params *params,
1436 			 u64 *cookie)
1437 {
1438 	const u8 *buf = params->buf;
1439 	size_t len = params->len;
1440 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1441 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1442 	int rc;
1443 	bool tx_status;
1444 
1445 	wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1446 		     params->chan ? params->chan->hw_value : -1,
1447 		     params->offchan,
1448 		     params->wait);
1449 
1450 	/* Note, currently we support the "wait" parameter only on AP mode.
1451 	 * In other modes, user-space must call remain_on_channel before
1452 	 * mgmt_tx or listen on a channel other than active one.
1453 	 */
1454 
1455 	if (params->chan && params->chan->hw_value == 0) {
1456 		wil_err(wil, "invalid channel\n");
1457 		return -EINVAL;
1458 	}
1459 
1460 	if (wdev->iftype != NL80211_IFTYPE_AP) {
1461 		wil_dbg_misc(wil,
1462 			     "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1463 		rc = wmi_mgmt_tx(vif, buf, len);
1464 		goto out;
1465 	}
1466 
1467 	if (!params->chan || params->chan->hw_value == vif->channel) {
1468 		wil_dbg_misc(wil,
1469 			     "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1470 		rc = wmi_mgmt_tx(vif, buf, len);
1471 		goto out;
1472 	}
1473 
1474 	if (params->offchan == 0) {
1475 		wil_err(wil,
1476 			"invalid channel params: current %d requested %d, off-channel not allowed\n",
1477 			vif->channel, params->chan->hw_value);
1478 		return -EBUSY;
1479 	}
1480 
1481 	/* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1482 	rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1483 			     params->wait);
1484 
1485 out:
1486 	/* when the sent packet was not acked by receiver(ACK=0), rc will
1487 	 * be -EAGAIN. In this case this function needs to return success,
1488 	 * the ACK=0 will be reflected in tx_status.
1489 	 */
1490 	tx_status = (rc == 0);
1491 	rc = (rc == -EAGAIN) ? 0 : rc;
1492 	cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1493 				tx_status, GFP_KERNEL);
1494 
1495 	return rc;
1496 }
1497 
wil_cfg80211_set_channel(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)1498 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1499 				    struct cfg80211_chan_def *chandef)
1500 {
1501 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1502 
1503 	wil->monitor_chandef = *chandef;
1504 
1505 	return 0;
1506 }
1507 
wil_detect_key_usage(struct wireless_dev * wdev,bool pairwise)1508 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1509 					       bool pairwise)
1510 {
1511 	struct wil6210_priv *wil = wdev_to_wil(wdev);
1512 	enum wmi_key_usage rc;
1513 
1514 	if (pairwise) {
1515 		rc = WMI_KEY_USE_PAIRWISE;
1516 	} else {
1517 		switch (wdev->iftype) {
1518 		case NL80211_IFTYPE_STATION:
1519 		case NL80211_IFTYPE_P2P_CLIENT:
1520 			rc = WMI_KEY_USE_RX_GROUP;
1521 			break;
1522 		case NL80211_IFTYPE_AP:
1523 		case NL80211_IFTYPE_P2P_GO:
1524 			rc = WMI_KEY_USE_TX_GROUP;
1525 			break;
1526 		default:
1527 			/* TODO: Rx GTK or Tx GTK? */
1528 			wil_err(wil, "Can't determine GTK type\n");
1529 			rc = WMI_KEY_USE_RX_GROUP;
1530 			break;
1531 		}
1532 	}
1533 	wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1534 
1535 	return rc;
1536 }
1537 
1538 static struct wil_sta_info *
wil_find_sta_by_key_usage(struct wil6210_priv * wil,u8 mid,enum wmi_key_usage key_usage,const u8 * mac_addr)1539 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1540 			  enum wmi_key_usage key_usage, const u8 *mac_addr)
1541 {
1542 	int cid = -EINVAL;
1543 
1544 	if (key_usage == WMI_KEY_USE_TX_GROUP)
1545 		return NULL; /* not needed */
1546 
1547 	/* supplicant provides Rx group key in STA mode with NULL MAC address */
1548 	if (mac_addr)
1549 		cid = wil_find_cid(wil, mid, mac_addr);
1550 	else if (key_usage == WMI_KEY_USE_RX_GROUP)
1551 		cid = wil_find_cid_by_idx(wil, mid, 0);
1552 	if (cid < 0) {
1553 		wil_err(wil, "No CID for %pM %s\n", mac_addr,
1554 			key_usage_str[key_usage]);
1555 		return ERR_PTR(cid);
1556 	}
1557 
1558 	return &wil->sta[cid];
1559 }
1560 
wil_set_crypto_rx(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs,struct key_params * params)1561 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1562 		       struct wil_sta_info *cs,
1563 		       struct key_params *params)
1564 {
1565 	struct wil_tid_crypto_rx_single *cc;
1566 	int tid;
1567 
1568 	if (!cs)
1569 		return;
1570 
1571 	switch (key_usage) {
1572 	case WMI_KEY_USE_STORE_PTK:
1573 	case WMI_KEY_USE_PAIRWISE:
1574 		for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1575 			cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1576 			if (params->seq)
1577 				memcpy(cc->pn, params->seq,
1578 				       IEEE80211_GCMP_PN_LEN);
1579 			else
1580 				memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1581 			cc->key_set = true;
1582 		}
1583 		break;
1584 	case WMI_KEY_USE_RX_GROUP:
1585 		cc = &cs->group_crypto_rx.key_id[key_index];
1586 		if (params->seq)
1587 			memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1588 		else
1589 			memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1590 		cc->key_set = true;
1591 		break;
1592 	default:
1593 		break;
1594 	}
1595 }
1596 
wil_del_rx_key(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs)1597 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1598 			   struct wil_sta_info *cs)
1599 {
1600 	struct wil_tid_crypto_rx_single *cc;
1601 	int tid;
1602 
1603 	if (!cs)
1604 		return;
1605 
1606 	switch (key_usage) {
1607 	case WMI_KEY_USE_PAIRWISE:
1608 		for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1609 			cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1610 			cc->key_set = false;
1611 		}
1612 		break;
1613 	case WMI_KEY_USE_RX_GROUP:
1614 		cc = &cs->group_crypto_rx.key_id[key_index];
1615 		cc->key_set = false;
1616 		break;
1617 	default:
1618 		break;
1619 	}
1620 }
1621 
wil_cfg80211_add_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)1622 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1623 				struct net_device *ndev, int link_id,
1624 				u8 key_index, bool pairwise,
1625 				const u8 *mac_addr,
1626 				struct key_params *params)
1627 {
1628 	int rc;
1629 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1630 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1631 	struct wireless_dev *wdev = vif_to_wdev(vif);
1632 	enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1633 	struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1634 							    key_usage,
1635 							    mac_addr);
1636 
1637 	if (!params) {
1638 		wil_err(wil, "NULL params\n");
1639 		return -EINVAL;
1640 	}
1641 
1642 	wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1643 		     mac_addr, key_usage_str[key_usage], key_index,
1644 		     params->seq_len, params->seq);
1645 
1646 	if (IS_ERR(cs)) {
1647 		/* in FT, sta info may not be available as add_key may be
1648 		 * sent by host before FW sends WMI_CONNECT_EVENT
1649 		 */
1650 		if (!test_bit(wil_vif_ft_roam, vif->status)) {
1651 			wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1652 				mac_addr, key_usage_str[key_usage], key_index,
1653 				params->seq_len, params->seq);
1654 			return -EINVAL;
1655 		}
1656 	} else {
1657 		wil_del_rx_key(key_index, key_usage, cs);
1658 	}
1659 
1660 	if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1661 		wil_err(wil,
1662 			"Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1663 			params->seq_len, mac_addr,
1664 			key_usage_str[key_usage], key_index,
1665 			params->seq_len, params->seq);
1666 		return -EINVAL;
1667 	}
1668 
1669 	spin_lock_bh(&wil->eap_lock);
1670 	if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION &&
1671 	    (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED ||
1672 	     vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) {
1673 		key_usage = WMI_KEY_USE_STORE_PTK;
1674 		vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT;
1675 		wil_dbg_misc(wil, "Store EAPOL key\n");
1676 	}
1677 	spin_unlock_bh(&wil->eap_lock);
1678 
1679 	rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1680 				params->key, key_usage);
1681 	if (!rc && !IS_ERR(cs)) {
1682 		/* update local storage used for AP recovery */
1683 		if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
1684 		    params->key_len <= WMI_MAX_KEY_LEN) {
1685 			vif->gtk_index = key_index;
1686 			memcpy(vif->gtk, params->key, params->key_len);
1687 			vif->gtk_len = params->key_len;
1688 		}
1689 		/* in FT set crypto will take place upon receiving
1690 		 * WMI_RING_EN_EVENTID event
1691 		 */
1692 		wil_set_crypto_rx(key_index, key_usage, cs, params);
1693 	}
1694 
1695 	return rc;
1696 }
1697 
wil_cfg80211_del_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)1698 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1699 				struct net_device *ndev, int link_id,
1700 				u8 key_index, bool pairwise,
1701 				const u8 *mac_addr)
1702 {
1703 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1704 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1705 	struct wireless_dev *wdev = vif_to_wdev(vif);
1706 	enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1707 	struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1708 							    key_usage,
1709 							    mac_addr);
1710 
1711 	wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1712 		     key_usage_str[key_usage], key_index);
1713 
1714 	if (IS_ERR(cs))
1715 		wil_info(wil, "Not connected, %pM %s[%d]\n",
1716 			 mac_addr, key_usage_str[key_usage], key_index);
1717 
1718 	if (!IS_ERR_OR_NULL(cs))
1719 		wil_del_rx_key(key_index, key_usage, cs);
1720 
1721 	return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1722 }
1723 
1724 /* Need to be present or wiphy_new() will WARN */
wil_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool unicast,bool multicast)1725 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1726 					struct net_device *ndev, int link_id,
1727 					u8 key_index, bool unicast,
1728 					bool multicast)
1729 {
1730 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1731 
1732 	wil_dbg_misc(wil, "set_default_key: entered\n");
1733 	return 0;
1734 }
1735 
wil_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)1736 static int wil_remain_on_channel(struct wiphy *wiphy,
1737 				 struct wireless_dev *wdev,
1738 				 struct ieee80211_channel *chan,
1739 				 unsigned int duration,
1740 				 u64 *cookie)
1741 {
1742 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1743 	int rc;
1744 
1745 	wil_dbg_misc(wil,
1746 		     "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1747 		     chan->center_freq, duration, wdev->iftype);
1748 
1749 	rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1750 	return rc;
1751 }
1752 
wil_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)1753 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1754 					struct wireless_dev *wdev,
1755 					u64 cookie)
1756 {
1757 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1758 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1759 
1760 	wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1761 
1762 	return wil_p2p_cancel_listen(vif, cookie);
1763 }
1764 
1765 /*
1766  * find a specific IE in a list of IEs
1767  * return a pointer to the beginning of IE in the list
1768  * or NULL if not found
1769  */
_wil_cfg80211_find_ie(const u8 * ies,u16 ies_len,const u8 * ie,u16 ie_len)1770 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1771 				       u16 ie_len)
1772 {
1773 	struct ieee80211_vendor_ie *vie;
1774 	u32 oui;
1775 
1776 	/* IE tag at offset 0, length at offset 1 */
1777 	if (ie_len < 2 || 2 + ie[1] > ie_len)
1778 		return NULL;
1779 
1780 	if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1781 		return cfg80211_find_ie(ie[0], ies, ies_len);
1782 
1783 	/* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1784 	if (ie[1] < 4)
1785 		return NULL;
1786 	vie = (struct ieee80211_vendor_ie *)ie;
1787 	oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1788 	return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1789 				       ies_len);
1790 }
1791 
1792 /*
1793  * merge the IEs in two lists into a single list.
1794  * do not include IEs from the second list which exist in the first list.
1795  * add only vendor specific IEs from second list to keep
1796  * the merged list sorted (since vendor-specific IE has the
1797  * highest tag number)
1798  * caller must free the allocated memory for merged IEs
1799  */
_wil_cfg80211_merge_extra_ies(const u8 * ies1,u16 ies1_len,const u8 * ies2,u16 ies2_len,u8 ** merged_ies,u16 * merged_len)1800 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1801 					 const u8 *ies2, u16 ies2_len,
1802 					 u8 **merged_ies, u16 *merged_len)
1803 {
1804 	u8 *buf, *dpos;
1805 	const u8 *spos;
1806 
1807 	if (!ies1)
1808 		ies1_len = 0;
1809 
1810 	if (!ies2)
1811 		ies2_len = 0;
1812 
1813 	if (ies1_len == 0 && ies2_len == 0) {
1814 		*merged_ies = NULL;
1815 		*merged_len = 0;
1816 		return 0;
1817 	}
1818 
1819 	buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1820 	if (!buf)
1821 		return -ENOMEM;
1822 	if (ies1)
1823 		memcpy(buf, ies1, ies1_len);
1824 	dpos = buf + ies1_len;
1825 	spos = ies2;
1826 	while (spos && (spos + 1 < ies2 + ies2_len)) {
1827 		/* IE tag at offset 0, length at offset 1 */
1828 		u16 ielen = 2 + spos[1];
1829 
1830 		if (spos + ielen > ies2 + ies2_len)
1831 			break;
1832 		if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1833 		    (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
1834 						     spos, ielen))) {
1835 			memcpy(dpos, spos, ielen);
1836 			dpos += ielen;
1837 		}
1838 		spos += ielen;
1839 	}
1840 
1841 	*merged_ies = buf;
1842 	*merged_len = dpos - buf;
1843 	return 0;
1844 }
1845 
wil_print_bcon_data(struct cfg80211_beacon_data * b)1846 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1847 {
1848 	wil_hex_dump_misc("head     ", DUMP_PREFIX_OFFSET, 16, 1,
1849 			  b->head, b->head_len, true);
1850 	wil_hex_dump_misc("tail     ", DUMP_PREFIX_OFFSET, 16, 1,
1851 			  b->tail, b->tail_len, true);
1852 	wil_hex_dump_misc("BCON IE  ", DUMP_PREFIX_OFFSET, 16, 1,
1853 			  b->beacon_ies, b->beacon_ies_len, true);
1854 	wil_hex_dump_misc("PROBE    ", DUMP_PREFIX_OFFSET, 16, 1,
1855 			  b->probe_resp, b->probe_resp_len, true);
1856 	wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1857 			  b->proberesp_ies, b->proberesp_ies_len, true);
1858 	wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1859 			  b->assocresp_ies, b->assocresp_ies_len, true);
1860 }
1861 
1862 /* internal functions for device reset and starting AP */
1863 static u8 *
_wil_cfg80211_get_proberesp_ies(const u8 * proberesp,u16 proberesp_len,u16 * ies_len)1864 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
1865 				u16 *ies_len)
1866 {
1867 	u8 *ies = NULL;
1868 
1869 	if (proberesp) {
1870 		struct ieee80211_mgmt *f =
1871 			(struct ieee80211_mgmt *)proberesp;
1872 		size_t hlen = offsetof(struct ieee80211_mgmt,
1873 				       u.probe_resp.variable);
1874 
1875 		ies = f->u.probe_resp.variable;
1876 		if (ies_len)
1877 			*ies_len = proberesp_len - hlen;
1878 	}
1879 
1880 	return ies;
1881 }
1882 
_wil_cfg80211_set_ies(struct wil6210_vif * vif,struct cfg80211_beacon_data * bcon)1883 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1884 				 struct cfg80211_beacon_data *bcon)
1885 {
1886 	int rc;
1887 	u16 len = 0, proberesp_len = 0;
1888 	u8 *ies = NULL, *proberesp;
1889 
1890 	/* update local storage used for AP recovery */
1891 	wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
1892 		      bcon->probe_resp_len);
1893 	wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
1894 		      bcon->proberesp_ies, bcon->proberesp_ies_len);
1895 	wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
1896 		      bcon->assocresp_ies, bcon->assocresp_ies_len);
1897 
1898 	proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1899 						    bcon->probe_resp_len,
1900 						    &proberesp_len);
1901 	rc = _wil_cfg80211_merge_extra_ies(proberesp,
1902 					   proberesp_len,
1903 					   bcon->proberesp_ies,
1904 					   bcon->proberesp_ies_len,
1905 					   &ies, &len);
1906 
1907 	if (rc)
1908 		goto out;
1909 
1910 	rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1911 	if (rc)
1912 		goto out;
1913 
1914 	if (bcon->assocresp_ies)
1915 		rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1916 				bcon->assocresp_ies_len, bcon->assocresp_ies);
1917 	else
1918 		rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1919 #if 0 /* to use beacon IE's, remove this #if 0 */
1920 	if (rc)
1921 		goto out;
1922 
1923 	rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1924 			bcon->tail_len, bcon->tail);
1925 #endif
1926 out:
1927 	kfree(ies);
1928 	return rc;
1929 }
1930 
_wil_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * ndev,const u8 * ssid,size_t ssid_len,u32 privacy,int bi,u8 chan,u8 wmi_edmg_channel,struct cfg80211_beacon_data * bcon,u8 hidden_ssid,u32 pbss)1931 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1932 				  struct net_device *ndev,
1933 				  const u8 *ssid, size_t ssid_len, u32 privacy,
1934 				  int bi, u8 chan, u8 wmi_edmg_channel,
1935 				  struct cfg80211_beacon_data *bcon,
1936 				  u8 hidden_ssid, u32 pbss)
1937 {
1938 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1939 	struct wil6210_vif *vif = ndev_to_vif(ndev);
1940 	int rc;
1941 	struct wireless_dev *wdev = ndev->ieee80211_ptr;
1942 	u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1943 	u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1944 	u16 proberesp_len = 0;
1945 	u8 *proberesp;
1946 	bool ft = false;
1947 
1948 	if (pbss)
1949 		wmi_nettype = WMI_NETTYPE_P2P;
1950 
1951 	wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1952 	if (is_go && !pbss) {
1953 		wil_err(wil, "P2P GO must be in PBSS\n");
1954 		return -ENOTSUPP;
1955 	}
1956 
1957 	wil_set_recovery_state(wil, fw_recovery_idle);
1958 
1959 	proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1960 						    bcon->probe_resp_len,
1961 						    &proberesp_len);
1962 	/* check that the probe response IEs has a MDE */
1963 	if ((proberesp && proberesp_len > 0 &&
1964 	     cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
1965 			      proberesp,
1966 			      proberesp_len)))
1967 		ft = true;
1968 
1969 	if (ft) {
1970 		if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
1971 			      wil->fw_capabilities)) {
1972 			wil_err(wil, "FW does not support FT roaming\n");
1973 			return -ENOTSUPP;
1974 		}
1975 		set_bit(wil_vif_ft_roam, vif->status);
1976 	}
1977 
1978 	mutex_lock(&wil->mutex);
1979 
1980 	if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1981 		__wil_down(wil);
1982 		rc = __wil_up(wil);
1983 		if (rc)
1984 			goto out;
1985 	}
1986 
1987 	rc = wmi_set_ssid(vif, ssid_len, ssid);
1988 	if (rc)
1989 		goto out;
1990 
1991 	rc = _wil_cfg80211_set_ies(vif, bcon);
1992 	if (rc)
1993 		goto out;
1994 
1995 	vif->privacy = privacy;
1996 	vif->channel = chan;
1997 	vif->wmi_edmg_channel = wmi_edmg_channel;
1998 	vif->hidden_ssid = hidden_ssid;
1999 	vif->pbss = pbss;
2000 	vif->bi = bi;
2001 	memcpy(vif->ssid, ssid, ssid_len);
2002 	vif->ssid_len = ssid_len;
2003 
2004 	netif_carrier_on(ndev);
2005 	if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2006 		wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
2007 
2008 	rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel,
2009 			   hidden_ssid, is_go);
2010 	if (rc)
2011 		goto err_pcp_start;
2012 
2013 	rc = wil_bcast_init(vif);
2014 	if (rc)
2015 		goto err_bcast;
2016 
2017 	goto out; /* success */
2018 
2019 err_bcast:
2020 	wmi_pcp_stop(vif);
2021 err_pcp_start:
2022 	netif_carrier_off(ndev);
2023 	if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2024 		wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2025 out:
2026 	mutex_unlock(&wil->mutex);
2027 	return rc;
2028 }
2029 
wil_cfg80211_ap_recovery(struct wil6210_priv * wil)2030 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
2031 {
2032 	int rc, i;
2033 	struct wiphy *wiphy = wil_to_wiphy(wil);
2034 
2035 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
2036 		struct wil6210_vif *vif = wil->vifs[i];
2037 		struct net_device *ndev;
2038 		struct cfg80211_beacon_data bcon = {};
2039 		struct key_params key_params = {};
2040 
2041 		if (!vif || vif->ssid_len == 0)
2042 			continue;
2043 
2044 		ndev = vif_to_ndev(vif);
2045 		bcon.proberesp_ies = vif->proberesp_ies;
2046 		bcon.assocresp_ies = vif->assocresp_ies;
2047 		bcon.probe_resp = vif->proberesp;
2048 		bcon.proberesp_ies_len = vif->proberesp_ies_len;
2049 		bcon.assocresp_ies_len = vif->assocresp_ies_len;
2050 		bcon.probe_resp_len = vif->proberesp_len;
2051 
2052 		wil_info(wil,
2053 			 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
2054 			 i, vif->privacy, vif->bi, vif->channel,
2055 			 vif->hidden_ssid, vif->pbss);
2056 		wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2057 				  vif->ssid, vif->ssid_len, true);
2058 		rc = _wil_cfg80211_start_ap(wiphy, ndev,
2059 					    vif->ssid, vif->ssid_len,
2060 					    vif->privacy, vif->bi,
2061 					    vif->channel,
2062 					    vif->wmi_edmg_channel, &bcon,
2063 					    vif->hidden_ssid, vif->pbss);
2064 		if (rc) {
2065 			wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
2066 			continue;
2067 		}
2068 
2069 		if (!vif->privacy || vif->gtk_len == 0)
2070 			continue;
2071 
2072 		key_params.key = vif->gtk;
2073 		key_params.key_len = vif->gtk_len;
2074 		key_params.seq_len = IEEE80211_GCMP_PN_LEN;
2075 		rc = wil_cfg80211_add_key(wiphy, ndev, -1, vif->gtk_index,
2076 					  false, NULL, &key_params);
2077 		if (rc)
2078 			wil_err(wil, "vif %d recovery add key failed (%d)\n",
2079 				i, rc);
2080 	}
2081 }
2082 
wil_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * bcon)2083 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
2084 				      struct net_device *ndev,
2085 				      struct cfg80211_beacon_data *bcon)
2086 {
2087 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2088 	struct wireless_dev *wdev = ndev->ieee80211_ptr;
2089 	struct wil6210_vif *vif = ndev_to_vif(ndev);
2090 	int rc;
2091 	u32 privacy = 0;
2092 
2093 	wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
2094 	wil_print_bcon_data(bcon);
2095 
2096 	if (bcon->tail &&
2097 	    cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
2098 			     bcon->tail_len))
2099 		privacy = 1;
2100 
2101 	memcpy(vif->ssid, wdev->u.ap.ssid, wdev->u.ap.ssid_len);
2102 	vif->ssid_len = wdev->u.ap.ssid_len;
2103 
2104 	/* in case privacy has changed, need to restart the AP */
2105 	if (vif->privacy != privacy) {
2106 		wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
2107 			     vif->privacy, privacy);
2108 
2109 		rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
2110 					    vif->ssid_len, privacy,
2111 					    wdev->links[0].ap.beacon_interval,
2112 					    vif->channel,
2113 					    vif->wmi_edmg_channel, bcon,
2114 					    vif->hidden_ssid,
2115 					    vif->pbss);
2116 	} else {
2117 		rc = _wil_cfg80211_set_ies(vif, bcon);
2118 	}
2119 
2120 	return rc;
2121 }
2122 
wil_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * info)2123 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
2124 				 struct net_device *ndev,
2125 				 struct cfg80211_ap_settings *info)
2126 {
2127 	int rc;
2128 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2129 	struct ieee80211_channel *channel = info->chandef.chan;
2130 	struct cfg80211_beacon_data *bcon = &info->beacon;
2131 	struct cfg80211_crypto_settings *crypto = &info->crypto;
2132 	u8 wmi_edmg_channel;
2133 	u8 hidden_ssid;
2134 
2135 	wil_dbg_misc(wil, "start_ap\n");
2136 
2137 	rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config,
2138 				      info->chandef.edmg.channels,
2139 				      &wmi_edmg_channel);
2140 	if (rc < 0)
2141 		return rc;
2142 
2143 	if (!channel) {
2144 		wil_err(wil, "AP: No channel???\n");
2145 		return -EINVAL;
2146 	}
2147 
2148 	switch (info->hidden_ssid) {
2149 	case NL80211_HIDDEN_SSID_NOT_IN_USE:
2150 		hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
2151 		break;
2152 
2153 	case NL80211_HIDDEN_SSID_ZERO_LEN:
2154 		hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
2155 		break;
2156 
2157 	case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2158 		hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
2159 		break;
2160 
2161 	default:
2162 		wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
2163 		return -EOPNOTSUPP;
2164 	}
2165 	wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
2166 		     channel->center_freq, info->privacy ? "secure" : "open");
2167 	wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
2168 		     info->privacy, info->auth_type);
2169 	wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
2170 		     info->hidden_ssid);
2171 	wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
2172 		     info->dtim_period);
2173 	wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
2174 	wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2175 			  info->ssid, info->ssid_len, true);
2176 	wil_print_bcon_data(bcon);
2177 	wil_print_crypto(wil, crypto);
2178 
2179 	rc = _wil_cfg80211_start_ap(wiphy, ndev,
2180 				    info->ssid, info->ssid_len, info->privacy,
2181 				    info->beacon_interval, channel->hw_value,
2182 				    wmi_edmg_channel, bcon, hidden_ssid,
2183 				    info->pbss);
2184 
2185 	return rc;
2186 }
2187 
wil_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * ndev,unsigned int link_id)2188 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
2189 				struct net_device *ndev,
2190 				unsigned int link_id)
2191 {
2192 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2193 	struct wil6210_vif *vif = ndev_to_vif(ndev);
2194 	bool last;
2195 
2196 	wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
2197 
2198 	netif_carrier_off(ndev);
2199 	last = !wil_has_other_active_ifaces(wil, ndev, false, true);
2200 	if (last) {
2201 		wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2202 		wil_set_recovery_state(wil, fw_recovery_idle);
2203 		set_bit(wil_status_resetting, wil->status);
2204 	}
2205 
2206 	mutex_lock(&wil->mutex);
2207 
2208 	wmi_pcp_stop(vif);
2209 	clear_bit(wil_vif_ft_roam, vif->status);
2210 	vif->ssid_len = 0;
2211 	wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
2212 	wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
2213 	wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
2214 	memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
2215 	vif->gtk_len = 0;
2216 
2217 	if (last)
2218 		__wil_down(wil);
2219 	else
2220 		wil_bcast_fini(vif);
2221 
2222 	mutex_unlock(&wil->mutex);
2223 
2224 	return 0;
2225 }
2226 
wil_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)2227 static int wil_cfg80211_add_station(struct wiphy *wiphy,
2228 				    struct net_device *dev,
2229 				    const u8 *mac,
2230 				    struct station_parameters *params)
2231 {
2232 	struct wil6210_vif *vif = ndev_to_vif(dev);
2233 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2234 
2235 	wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
2236 		     mac, params->aid, vif->mid,
2237 		     params->sta_flags_mask, params->sta_flags_set);
2238 
2239 	if (!disable_ap_sme) {
2240 		wil_err(wil, "not supported with AP SME enabled\n");
2241 		return -EOPNOTSUPP;
2242 	}
2243 
2244 	if (params->aid > WIL_MAX_DMG_AID) {
2245 		wil_err(wil, "invalid aid\n");
2246 		return -EINVAL;
2247 	}
2248 
2249 	return wmi_new_sta(vif, mac, params->aid);
2250 }
2251 
wil_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)2252 static int wil_cfg80211_del_station(struct wiphy *wiphy,
2253 				    struct net_device *dev,
2254 				    struct station_del_parameters *params)
2255 {
2256 	struct wil6210_vif *vif = ndev_to_vif(dev);
2257 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2258 
2259 	wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
2260 		     params->mac, params->reason_code, vif->mid);
2261 
2262 	mutex_lock(&wil->mutex);
2263 	wil6210_disconnect(vif, params->mac, params->reason_code);
2264 	mutex_unlock(&wil->mutex);
2265 
2266 	return 0;
2267 }
2268 
wil_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)2269 static int wil_cfg80211_change_station(struct wiphy *wiphy,
2270 				       struct net_device *dev,
2271 				       const u8 *mac,
2272 				       struct station_parameters *params)
2273 {
2274 	struct wil6210_vif *vif = ndev_to_vif(dev);
2275 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2276 	int authorize;
2277 	int cid, i;
2278 	struct wil_ring_tx_data *txdata = NULL;
2279 
2280 	wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
2281 		     mac, params->sta_flags_mask, params->sta_flags_set,
2282 		     vif->mid);
2283 
2284 	if (!disable_ap_sme) {
2285 		wil_dbg_misc(wil, "not supported with AP SME enabled\n");
2286 		return -EOPNOTSUPP;
2287 	}
2288 
2289 	if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2290 		return 0;
2291 
2292 	cid = wil_find_cid(wil, vif->mid, mac);
2293 	if (cid < 0) {
2294 		wil_err(wil, "station not found\n");
2295 		return -ENOLINK;
2296 	}
2297 
2298 	for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
2299 		if (wil->ring2cid_tid[i][0] == cid) {
2300 			txdata = &wil->ring_tx_data[i];
2301 			break;
2302 		}
2303 
2304 	if (!txdata) {
2305 		wil_err(wil, "ring data not found\n");
2306 		return -ENOLINK;
2307 	}
2308 
2309 	authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
2310 	txdata->dot1x_open = authorize ? 1 : 0;
2311 	wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
2312 		     txdata->dot1x_open);
2313 
2314 	return 0;
2315 }
2316 
2317 /* probe_client handling */
wil_probe_client_handle(struct wil6210_priv * wil,struct wil6210_vif * vif,struct wil_probe_client_req * req)2318 static void wil_probe_client_handle(struct wil6210_priv *wil,
2319 				    struct wil6210_vif *vif,
2320 				    struct wil_probe_client_req *req)
2321 {
2322 	struct net_device *ndev = vif_to_ndev(vif);
2323 	struct wil_sta_info *sta = &wil->sta[req->cid];
2324 	/* assume STA is alive if it is still connected,
2325 	 * else FW will disconnect it
2326 	 */
2327 	bool alive = (sta->status == wil_sta_connected);
2328 
2329 	cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
2330 			      0, false, GFP_KERNEL);
2331 }
2332 
next_probe_client(struct wil6210_vif * vif)2333 static struct list_head *next_probe_client(struct wil6210_vif *vif)
2334 {
2335 	struct list_head *ret = NULL;
2336 
2337 	mutex_lock(&vif->probe_client_mutex);
2338 
2339 	if (!list_empty(&vif->probe_client_pending)) {
2340 		ret = vif->probe_client_pending.next;
2341 		list_del(ret);
2342 	}
2343 
2344 	mutex_unlock(&vif->probe_client_mutex);
2345 
2346 	return ret;
2347 }
2348 
wil_probe_client_worker(struct work_struct * work)2349 void wil_probe_client_worker(struct work_struct *work)
2350 {
2351 	struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
2352 					       probe_client_worker);
2353 	struct wil6210_priv *wil = vif_to_wil(vif);
2354 	struct wil_probe_client_req *req;
2355 	struct list_head *lh;
2356 
2357 	while ((lh = next_probe_client(vif)) != NULL) {
2358 		req = list_entry(lh, struct wil_probe_client_req, list);
2359 
2360 		wil_probe_client_handle(wil, vif, req);
2361 		kfree(req);
2362 	}
2363 }
2364 
wil_probe_client_flush(struct wil6210_vif * vif)2365 void wil_probe_client_flush(struct wil6210_vif *vif)
2366 {
2367 	struct wil_probe_client_req *req, *t;
2368 	struct wil6210_priv *wil = vif_to_wil(vif);
2369 
2370 	wil_dbg_misc(wil, "probe_client_flush\n");
2371 
2372 	mutex_lock(&vif->probe_client_mutex);
2373 
2374 	list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
2375 		list_del(&req->list);
2376 		kfree(req);
2377 	}
2378 
2379 	mutex_unlock(&vif->probe_client_mutex);
2380 }
2381 
wil_cfg80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)2382 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
2383 				     struct net_device *dev,
2384 				     const u8 *peer, u64 *cookie)
2385 {
2386 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2387 	struct wil6210_vif *vif = ndev_to_vif(dev);
2388 	struct wil_probe_client_req *req;
2389 	int cid = wil_find_cid(wil, vif->mid, peer);
2390 
2391 	wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
2392 		     peer, cid, vif->mid);
2393 
2394 	if (cid < 0)
2395 		return -ENOLINK;
2396 
2397 	req = kzalloc(sizeof(*req), GFP_KERNEL);
2398 	if (!req)
2399 		return -ENOMEM;
2400 
2401 	req->cid = cid;
2402 	req->cookie = cid;
2403 
2404 	mutex_lock(&vif->probe_client_mutex);
2405 	list_add_tail(&req->list, &vif->probe_client_pending);
2406 	mutex_unlock(&vif->probe_client_mutex);
2407 
2408 	*cookie = req->cookie;
2409 	queue_work(wil->wq_service, &vif->probe_client_worker);
2410 	return 0;
2411 }
2412 
wil_cfg80211_change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)2413 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
2414 				   struct net_device *dev,
2415 				   struct bss_parameters *params)
2416 {
2417 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2418 	struct wil6210_vif *vif = ndev_to_vif(dev);
2419 
2420 	if (params->ap_isolate >= 0) {
2421 		wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
2422 			     vif->mid, vif->ap_isolate, params->ap_isolate);
2423 		vif->ap_isolate = params->ap_isolate;
2424 	}
2425 
2426 	return 0;
2427 }
2428 
wil_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)2429 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
2430 				       struct net_device *dev,
2431 				       bool enabled, int timeout)
2432 {
2433 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2434 	enum wmi_ps_profile_type ps_profile;
2435 
2436 	wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
2437 		     enabled, timeout);
2438 
2439 	if (enabled)
2440 		ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
2441 	else
2442 		ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
2443 
2444 	return wil_ps_update(wil, ps_profile);
2445 }
2446 
wil_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wow)2447 static int wil_cfg80211_suspend(struct wiphy *wiphy,
2448 				struct cfg80211_wowlan *wow)
2449 {
2450 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2451 	int rc;
2452 
2453 	/* Setting the wakeup trigger based on wow is TBD */
2454 
2455 	if (test_bit(wil_status_suspended, wil->status)) {
2456 		wil_dbg_pm(wil, "trying to suspend while suspended\n");
2457 		return 0;
2458 	}
2459 
2460 	rc = wil_can_suspend(wil, false);
2461 	if (rc)
2462 		goto out;
2463 
2464 	wil_dbg_pm(wil, "suspending\n");
2465 
2466 	mutex_lock(&wil->mutex);
2467 	mutex_lock(&wil->vif_mutex);
2468 	wil_p2p_stop_radio_operations(wil);
2469 	wil_abort_scan_all_vifs(wil, true);
2470 	mutex_unlock(&wil->vif_mutex);
2471 	mutex_unlock(&wil->mutex);
2472 
2473 out:
2474 	return rc;
2475 }
2476 
wil_cfg80211_resume(struct wiphy * wiphy)2477 static int wil_cfg80211_resume(struct wiphy *wiphy)
2478 {
2479 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2480 
2481 	wil_dbg_pm(wil, "resuming\n");
2482 
2483 	return 0;
2484 }
2485 
2486 static int
wil_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2487 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
2488 			      struct net_device *dev,
2489 			      struct cfg80211_sched_scan_request *request)
2490 {
2491 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2492 	struct wil6210_vif *vif = ndev_to_vif(dev);
2493 	int i, rc;
2494 
2495 	if (vif->mid != 0)
2496 		return -EOPNOTSUPP;
2497 
2498 	wil_dbg_misc(wil,
2499 		     "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
2500 		     request->n_ssids, request->ie_len, request->flags);
2501 	for (i = 0; i < request->n_ssids; i++) {
2502 		wil_dbg_misc(wil, "SSID[%d]:", i);
2503 		wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2504 				  request->ssids[i].ssid,
2505 				  request->ssids[i].ssid_len, true);
2506 	}
2507 	wil_dbg_misc(wil, "channels:");
2508 	for (i = 0; i < request->n_channels; i++)
2509 		wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
2510 			     i == request->n_channels - 1 ? "\n" : "");
2511 	wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
2512 		     request->n_match_sets, request->min_rssi_thold,
2513 		     request->delay);
2514 	for (i = 0; i < request->n_match_sets; i++) {
2515 		struct cfg80211_match_set *ms = &request->match_sets[i];
2516 
2517 		wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2518 			     i, ms->rssi_thold);
2519 		wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2520 				  ms->ssid.ssid,
2521 				  ms->ssid.ssid_len, true);
2522 	}
2523 	wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2524 	for (i = 0; i < request->n_scan_plans; i++) {
2525 		struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2526 
2527 		wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2528 			     i, sp->interval, sp->iterations);
2529 	}
2530 
2531 	rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2532 			request->ie_len, request->ie);
2533 	if (rc)
2534 		return rc;
2535 	return wmi_start_sched_scan(wil, request);
2536 }
2537 
2538 static int
wil_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2539 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2540 			     u64 reqid)
2541 {
2542 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2543 	struct wil6210_vif *vif = ndev_to_vif(dev);
2544 	int rc;
2545 
2546 	if (vif->mid != 0)
2547 		return -EOPNOTSUPP;
2548 
2549 	rc = wmi_stop_sched_scan(wil);
2550 	/* device would return error if it thinks PNO is already stopped.
2551 	 * ignore the return code so user space and driver gets back in-sync
2552 	 */
2553 	wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2554 
2555 	return 0;
2556 }
2557 
2558 static int
wil_cfg80211_update_ft_ies(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_update_ft_ies_params * ftie)2559 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
2560 			   struct cfg80211_update_ft_ies_params *ftie)
2561 {
2562 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2563 	struct wil6210_vif *vif = ndev_to_vif(dev);
2564 	struct cfg80211_bss *bss;
2565 	struct wmi_ft_reassoc_cmd reassoc;
2566 	int rc = 0;
2567 
2568 	wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
2569 	wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
2570 			  ftie->ie, ftie->ie_len, true);
2571 
2572 	if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
2573 		wil_err(wil, "FW does not support FT roaming\n");
2574 		return -EOPNOTSUPP;
2575 	}
2576 
2577 	rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
2578 	if (rc)
2579 		return rc;
2580 
2581 	if (!test_bit(wil_vif_ft_roam, vif->status))
2582 		/* vif is not roaming */
2583 		return 0;
2584 
2585 	/* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
2586 	 * a trigger for reassoc
2587 	 */
2588 
2589 	bss = vif->bss;
2590 	if (!bss) {
2591 		wil_err(wil, "FT: bss is NULL\n");
2592 		return -EINVAL;
2593 	}
2594 
2595 	memset(&reassoc, 0, sizeof(reassoc));
2596 	ether_addr_copy(reassoc.bssid, bss->bssid);
2597 
2598 	rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
2599 		      &reassoc, sizeof(reassoc));
2600 	if (rc)
2601 		wil_err(wil, "FT: reassoc failed (%d)\n", rc);
2602 
2603 	return rc;
2604 }
2605 
wil_cfg80211_set_multicast_to_unicast(struct wiphy * wiphy,struct net_device * dev,const bool enabled)2606 static int wil_cfg80211_set_multicast_to_unicast(struct wiphy *wiphy,
2607 						 struct net_device *dev,
2608 						 const bool enabled)
2609 {
2610 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2611 
2612 	if (wil->multicast_to_unicast == enabled)
2613 		return 0;
2614 
2615 	wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled);
2616 	wil->multicast_to_unicast = enabled;
2617 
2618 	return 0;
2619 }
2620 
wil_cfg80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)2621 static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
2622 					    struct net_device *dev,
2623 					    s32 rssi_thold, u32 rssi_hyst)
2624 {
2625 	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2626 	int rc;
2627 
2628 	wil->cqm_rssi_thold = rssi_thold;
2629 
2630 	rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst);
2631 	if (rc)
2632 		/* reset stored value upon failure */
2633 		wil->cqm_rssi_thold = 0;
2634 
2635 	return rc;
2636 }
2637 
2638 static const struct cfg80211_ops wil_cfg80211_ops = {
2639 	.add_virtual_intf = wil_cfg80211_add_iface,
2640 	.del_virtual_intf = wil_cfg80211_del_iface,
2641 	.scan = wil_cfg80211_scan,
2642 	.abort_scan = wil_cfg80211_abort_scan,
2643 	.connect = wil_cfg80211_connect,
2644 	.disconnect = wil_cfg80211_disconnect,
2645 	.set_wiphy_params = wil_cfg80211_set_wiphy_params,
2646 	.change_virtual_intf = wil_cfg80211_change_iface,
2647 	.get_station = wil_cfg80211_get_station,
2648 	.dump_station = wil_cfg80211_dump_station,
2649 	.remain_on_channel = wil_remain_on_channel,
2650 	.cancel_remain_on_channel = wil_cancel_remain_on_channel,
2651 	.mgmt_tx = wil_cfg80211_mgmt_tx,
2652 	.set_monitor_channel = wil_cfg80211_set_channel,
2653 	.add_key = wil_cfg80211_add_key,
2654 	.del_key = wil_cfg80211_del_key,
2655 	.set_default_key = wil_cfg80211_set_default_key,
2656 	/* AP mode */
2657 	.change_beacon = wil_cfg80211_change_beacon,
2658 	.start_ap = wil_cfg80211_start_ap,
2659 	.stop_ap = wil_cfg80211_stop_ap,
2660 	.add_station = wil_cfg80211_add_station,
2661 	.del_station = wil_cfg80211_del_station,
2662 	.change_station = wil_cfg80211_change_station,
2663 	.probe_client = wil_cfg80211_probe_client,
2664 	.change_bss = wil_cfg80211_change_bss,
2665 	/* P2P device */
2666 	.start_p2p_device = wil_cfg80211_start_p2p_device,
2667 	.stop_p2p_device = wil_cfg80211_stop_p2p_device,
2668 	.set_power_mgmt = wil_cfg80211_set_power_mgmt,
2669 	.set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config,
2670 	.suspend = wil_cfg80211_suspend,
2671 	.resume = wil_cfg80211_resume,
2672 	.sched_scan_start = wil_cfg80211_sched_scan_start,
2673 	.sched_scan_stop = wil_cfg80211_sched_scan_stop,
2674 	.update_ft_ies = wil_cfg80211_update_ft_ies,
2675 	.set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast,
2676 };
2677 
wil_wiphy_init(struct wiphy * wiphy)2678 static void wil_wiphy_init(struct wiphy *wiphy)
2679 {
2680 	wiphy->max_scan_ssids = 1;
2681 	wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2682 	wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2683 	wiphy->max_num_pmkids = 0 /* TODO: */;
2684 	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2685 				 BIT(NL80211_IFTYPE_AP) |
2686 				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2687 				 BIT(NL80211_IFTYPE_P2P_GO) |
2688 				 BIT(NL80211_IFTYPE_P2P_DEVICE) |
2689 				 BIT(NL80211_IFTYPE_MONITOR);
2690 	wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2691 			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2692 			WIPHY_FLAG_PS_ON_BY_DEFAULT;
2693 	if (!disable_ap_sme)
2694 		wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2695 	dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2696 		__func__, wiphy->flags);
2697 	wiphy->probe_resp_offload =
2698 		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2699 		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2700 		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2701 
2702 	wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2703 
2704 	/* may change after reading FW capabilities */
2705 	wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2706 
2707 	wiphy->cipher_suites = wil_cipher_suites;
2708 	wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2709 	wiphy->mgmt_stypes = wil_mgmt_stypes;
2710 	wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2711 
2712 	wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2713 	wiphy->vendor_commands = wil_nl80211_vendor_commands;
2714 
2715 #ifdef CONFIG_PM
2716 	wiphy->wowlan = &wil_wowlan_support;
2717 #endif
2718 }
2719 
wil_cfg80211_iface_combinations_from_fw(struct wil6210_priv * wil,const struct wil_fw_record_concurrency * conc)2720 int wil_cfg80211_iface_combinations_from_fw(
2721 	struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2722 {
2723 	struct wiphy *wiphy = wil_to_wiphy(wil);
2724 	u32 total_limits = 0;
2725 	u16 n_combos;
2726 	const struct wil_fw_concurrency_combo *combo;
2727 	const struct wil_fw_concurrency_limit *limit;
2728 	struct ieee80211_iface_combination *iface_combinations;
2729 	struct ieee80211_iface_limit *iface_limit;
2730 	int i, j;
2731 
2732 	if (wiphy->iface_combinations) {
2733 		wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2734 		return 0;
2735 	}
2736 
2737 	combo = conc->combos;
2738 	n_combos = le16_to_cpu(conc->n_combos);
2739 	for (i = 0; i < n_combos; i++) {
2740 		total_limits += combo->n_limits;
2741 		limit = combo->limits + combo->n_limits;
2742 		combo = (struct wil_fw_concurrency_combo *)limit;
2743 	}
2744 
2745 	iface_combinations =
2746 		kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2747 			total_limits * sizeof(struct ieee80211_iface_limit),
2748 			GFP_KERNEL);
2749 	if (!iface_combinations)
2750 		return -ENOMEM;
2751 	iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2752 						       n_combos);
2753 	combo = conc->combos;
2754 	for (i = 0; i < n_combos; i++) {
2755 		iface_combinations[i].max_interfaces = combo->max_interfaces;
2756 		iface_combinations[i].num_different_channels =
2757 			combo->n_diff_channels;
2758 		iface_combinations[i].beacon_int_infra_match =
2759 			combo->same_bi;
2760 		iface_combinations[i].n_limits = combo->n_limits;
2761 		wil_dbg_misc(wil,
2762 			     "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2763 			     i, iface_combinations[i].max_interfaces,
2764 			     iface_combinations[i].num_different_channels,
2765 			     iface_combinations[i].beacon_int_infra_match);
2766 		limit = combo->limits;
2767 		for (j = 0; j < combo->n_limits; j++) {
2768 			iface_limit[j].max = le16_to_cpu(limit[j].max);
2769 			iface_limit[j].types = le16_to_cpu(limit[j].types);
2770 			wil_dbg_misc(wil,
2771 				     "limit %d: max %d types 0x%x\n", j,
2772 				     iface_limit[j].max, iface_limit[j].types);
2773 		}
2774 		iface_combinations[i].limits = iface_limit;
2775 		iface_limit += combo->n_limits;
2776 		limit += combo->n_limits;
2777 		combo = (struct wil_fw_concurrency_combo *)limit;
2778 	}
2779 
2780 	wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2781 	wil->max_vifs = conc->n_mids + 1; /* including main interface */
2782 	if (wil->max_vifs > WIL_MAX_VIFS) {
2783 		wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2784 			 WIL_MAX_VIFS, wil->max_vifs);
2785 		wil->max_vifs = WIL_MAX_VIFS;
2786 	}
2787 	wiphy->n_iface_combinations = n_combos;
2788 	wiphy->iface_combinations = iface_combinations;
2789 	return 0;
2790 }
2791 
wil_cfg80211_init(struct device * dev)2792 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2793 {
2794 	struct wiphy *wiphy;
2795 	struct wil6210_priv *wil;
2796 	struct ieee80211_channel *ch;
2797 
2798 	dev_dbg(dev, "%s()\n", __func__);
2799 
2800 	/* Note: the wireless_dev structure is no longer allocated here.
2801 	 * Instead, it is allocated as part of the net_device structure
2802 	 * for main interface and each VIF.
2803 	 */
2804 	wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2805 	if (!wiphy)
2806 		return ERR_PTR(-ENOMEM);
2807 
2808 	set_wiphy_dev(wiphy, dev);
2809 	wil_wiphy_init(wiphy);
2810 
2811 	wil = wiphy_to_wil(wiphy);
2812 	wil->wiphy = wiphy;
2813 
2814 	/* default monitor channel */
2815 	ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2816 	cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2817 
2818 	return wil;
2819 }
2820 
wil_cfg80211_deinit(struct wil6210_priv * wil)2821 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2822 {
2823 	struct wiphy *wiphy = wil_to_wiphy(wil);
2824 
2825 	dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2826 
2827 	if (!wiphy)
2828 		return;
2829 
2830 	kfree(wiphy->iface_combinations);
2831 	wiphy->iface_combinations = NULL;
2832 
2833 	wiphy_free(wiphy);
2834 	/* do not access wil6210_priv after returning from here */
2835 }
2836 
wil_p2p_wdev_free(struct wil6210_priv * wil)2837 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2838 {
2839 	struct wireless_dev *p2p_wdev;
2840 
2841 	mutex_lock(&wil->vif_mutex);
2842 	p2p_wdev = wil->p2p_wdev;
2843 	wil->p2p_wdev = NULL;
2844 	wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2845 	mutex_unlock(&wil->vif_mutex);
2846 	if (p2p_wdev) {
2847 		cfg80211_unregister_wdev(p2p_wdev);
2848 		kfree(p2p_wdev);
2849 	}
2850 }
2851 
wil_rf_sector_status_to_rc(u8 status)2852 static int wil_rf_sector_status_to_rc(u8 status)
2853 {
2854 	switch (status) {
2855 	case WMI_RF_SECTOR_STATUS_SUCCESS:
2856 		return 0;
2857 	case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2858 		return -EINVAL;
2859 	case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2860 		return -EAGAIN;
2861 	case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2862 		return -EOPNOTSUPP;
2863 	default:
2864 		return -EINVAL;
2865 	}
2866 }
2867 
wil_rf_sector_get_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2868 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2869 				 struct wireless_dev *wdev,
2870 				 const void *data, int data_len)
2871 {
2872 	struct wil6210_priv *wil = wdev_to_wil(wdev);
2873 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2874 	int rc;
2875 	struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2876 	u16 sector_index;
2877 	u8 sector_type;
2878 	u32 rf_modules_vec;
2879 	struct wmi_get_rf_sector_params_cmd cmd;
2880 	struct {
2881 		struct wmi_cmd_hdr wmi;
2882 		struct wmi_get_rf_sector_params_done_event evt;
2883 	} __packed reply = {
2884 		.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2885 	};
2886 	struct sk_buff *msg;
2887 	struct nlattr *nl_cfgs, *nl_cfg;
2888 	u32 i;
2889 	struct wmi_rf_sector_info *si;
2890 
2891 	if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2892 		return -EOPNOTSUPP;
2893 
2894 	rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
2895 				  data_len, wil_rf_sector_policy, NULL);
2896 	if (rc) {
2897 		wil_err(wil, "Invalid rf sector ATTR\n");
2898 		return rc;
2899 	}
2900 
2901 	if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2902 	    !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2903 	    !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2904 		wil_err(wil, "Invalid rf sector spec\n");
2905 		return -EINVAL;
2906 	}
2907 
2908 	sector_index = nla_get_u16(
2909 		tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2910 	if (sector_index >= WIL_MAX_RF_SECTORS) {
2911 		wil_err(wil, "Invalid sector index %d\n", sector_index);
2912 		return -EINVAL;
2913 	}
2914 
2915 	sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2916 	if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2917 		wil_err(wil, "Invalid sector type %d\n", sector_type);
2918 		return -EINVAL;
2919 	}
2920 
2921 	rf_modules_vec = nla_get_u32(
2922 		tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2923 	if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2924 		wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2925 		return -EINVAL;
2926 	}
2927 
2928 	cmd.sector_idx = cpu_to_le16(sector_index);
2929 	cmd.sector_type = sector_type;
2930 	cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2931 	rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2932 		      &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2933 		      &reply, sizeof(reply),
2934 		      500);
2935 	if (rc)
2936 		return rc;
2937 	if (reply.evt.status) {
2938 		wil_err(wil, "get rf sector cfg failed with status %d\n",
2939 			reply.evt.status);
2940 		return wil_rf_sector_status_to_rc(reply.evt.status);
2941 	}
2942 
2943 	msg = cfg80211_vendor_cmd_alloc_reply_skb(
2944 		wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2945 	if (!msg)
2946 		return -ENOMEM;
2947 
2948 	if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2949 			      le64_to_cpu(reply.evt.tsf),
2950 			      QCA_ATTR_PAD))
2951 		goto nla_put_failure;
2952 
2953 	nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2954 	if (!nl_cfgs)
2955 		goto nla_put_failure;
2956 	for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2957 		if (!(rf_modules_vec & BIT(i)))
2958 			continue;
2959 		nl_cfg = nla_nest_start_noflag(msg, i);
2960 		if (!nl_cfg)
2961 			goto nla_put_failure;
2962 		si = &reply.evt.sectors_info[i];
2963 		if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2964 			       i) ||
2965 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2966 				le32_to_cpu(si->etype0)) ||
2967 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2968 				le32_to_cpu(si->etype1)) ||
2969 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2970 				le32_to_cpu(si->etype2)) ||
2971 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2972 				le32_to_cpu(si->psh_hi)) ||
2973 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2974 				le32_to_cpu(si->psh_lo)) ||
2975 		    nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2976 				le32_to_cpu(si->dtype_swch_off)))
2977 			goto nla_put_failure;
2978 		nla_nest_end(msg, nl_cfg);
2979 	}
2980 
2981 	nla_nest_end(msg, nl_cfgs);
2982 	rc = cfg80211_vendor_cmd_reply(msg);
2983 	return rc;
2984 nla_put_failure:
2985 	kfree_skb(msg);
2986 	return -ENOBUFS;
2987 }
2988 
wil_rf_sector_set_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2989 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2990 				 struct wireless_dev *wdev,
2991 				 const void *data, int data_len)
2992 {
2993 	struct wil6210_priv *wil = wdev_to_wil(wdev);
2994 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2995 	int rc, tmp;
2996 	struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2997 	struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2998 	u16 sector_index, rf_module_index;
2999 	u8 sector_type;
3000 	u32 rf_modules_vec = 0;
3001 	struct wmi_set_rf_sector_params_cmd cmd;
3002 	struct {
3003 		struct wmi_cmd_hdr wmi;
3004 		struct wmi_set_rf_sector_params_done_event evt;
3005 	} __packed reply = {
3006 		.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3007 	};
3008 	struct nlattr *nl_cfg;
3009 	struct wmi_rf_sector_info *si;
3010 
3011 	if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3012 		return -EOPNOTSUPP;
3013 
3014 	rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3015 				  data_len, wil_rf_sector_policy, NULL);
3016 	if (rc) {
3017 		wil_err(wil, "Invalid rf sector ATTR\n");
3018 		return rc;
3019 	}
3020 
3021 	if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3022 	    !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
3023 	    !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
3024 		wil_err(wil, "Invalid rf sector spec\n");
3025 		return -EINVAL;
3026 	}
3027 
3028 	sector_index = nla_get_u16(
3029 		tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3030 	if (sector_index >= WIL_MAX_RF_SECTORS) {
3031 		wil_err(wil, "Invalid sector index %d\n", sector_index);
3032 		return -EINVAL;
3033 	}
3034 
3035 	sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3036 	if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3037 		wil_err(wil, "Invalid sector type %d\n", sector_type);
3038 		return -EINVAL;
3039 	}
3040 
3041 	memset(&cmd, 0, sizeof(cmd));
3042 
3043 	cmd.sector_idx = cpu_to_le16(sector_index);
3044 	cmd.sector_type = sector_type;
3045 	nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
3046 			    tmp) {
3047 		rc = nla_parse_nested_deprecated(tb2,
3048 						 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
3049 						 nl_cfg,
3050 						 wil_rf_sector_cfg_policy,
3051 						 NULL);
3052 		if (rc) {
3053 			wil_err(wil, "invalid sector cfg\n");
3054 			return -EINVAL;
3055 		}
3056 
3057 		if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
3058 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
3059 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
3060 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
3061 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
3062 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
3063 		    !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
3064 			wil_err(wil, "missing cfg params\n");
3065 			return -EINVAL;
3066 		}
3067 
3068 		rf_module_index = nla_get_u8(
3069 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
3070 		if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
3071 			wil_err(wil, "invalid RF module index %d\n",
3072 				rf_module_index);
3073 			return -EINVAL;
3074 		}
3075 		rf_modules_vec |= BIT(rf_module_index);
3076 		si = &cmd.sectors_info[rf_module_index];
3077 		si->etype0 = cpu_to_le32(nla_get_u32(
3078 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
3079 		si->etype1 = cpu_to_le32(nla_get_u32(
3080 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
3081 		si->etype2 = cpu_to_le32(nla_get_u32(
3082 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
3083 		si->psh_hi = cpu_to_le32(nla_get_u32(
3084 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
3085 		si->psh_lo = cpu_to_le32(nla_get_u32(
3086 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
3087 		si->dtype_swch_off = cpu_to_le32(nla_get_u32(
3088 			tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
3089 	}
3090 
3091 	cmd.rf_modules_vec = rf_modules_vec & 0xFF;
3092 	rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
3093 		      &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
3094 		      &reply, sizeof(reply),
3095 		      500);
3096 	if (rc)
3097 		return rc;
3098 	return wil_rf_sector_status_to_rc(reply.evt.status);
3099 }
3100 
wil_rf_sector_get_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)3101 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
3102 				      struct wireless_dev *wdev,
3103 				      const void *data, int data_len)
3104 {
3105 	struct wil6210_priv *wil = wdev_to_wil(wdev);
3106 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3107 	int rc;
3108 	struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3109 	u8 sector_type, mac_addr[ETH_ALEN];
3110 	int cid = 0;
3111 	struct wmi_get_selected_rf_sector_index_cmd cmd;
3112 	struct {
3113 		struct wmi_cmd_hdr wmi;
3114 		struct wmi_get_selected_rf_sector_index_done_event evt;
3115 	} __packed reply = {
3116 		.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3117 	};
3118 	struct sk_buff *msg;
3119 
3120 	if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3121 		return -EOPNOTSUPP;
3122 
3123 	rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3124 				  data_len, wil_rf_sector_policy, NULL);
3125 	if (rc) {
3126 		wil_err(wil, "Invalid rf sector ATTR\n");
3127 		return rc;
3128 	}
3129 
3130 	if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3131 		wil_err(wil, "Invalid rf sector spec\n");
3132 		return -EINVAL;
3133 	}
3134 	sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3135 	if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3136 		wil_err(wil, "Invalid sector type %d\n", sector_type);
3137 		return -EINVAL;
3138 	}
3139 
3140 	if (tb[QCA_ATTR_MAC_ADDR]) {
3141 		ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3142 		cid = wil_find_cid(wil, vif->mid, mac_addr);
3143 		if (cid < 0) {
3144 			wil_err(wil, "invalid MAC address %pM\n", mac_addr);
3145 			return -ENOENT;
3146 		}
3147 	} else {
3148 		if (test_bit(wil_vif_fwconnected, vif->status)) {
3149 			wil_err(wil, "must specify MAC address when connected\n");
3150 			return -EINVAL;
3151 		}
3152 	}
3153 
3154 	memset(&cmd, 0, sizeof(cmd));
3155 	cmd.cid = (u8)cid;
3156 	cmd.sector_type = sector_type;
3157 	rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
3158 		      &cmd, sizeof(cmd),
3159 		      WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3160 		      &reply, sizeof(reply),
3161 		      500);
3162 	if (rc)
3163 		return rc;
3164 	if (reply.evt.status) {
3165 		wil_err(wil, "get rf selected sector cfg failed with status %d\n",
3166 			reply.evt.status);
3167 		return wil_rf_sector_status_to_rc(reply.evt.status);
3168 	}
3169 
3170 	msg = cfg80211_vendor_cmd_alloc_reply_skb(
3171 		wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
3172 	if (!msg)
3173 		return -ENOMEM;
3174 
3175 	if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
3176 			      le64_to_cpu(reply.evt.tsf),
3177 			      QCA_ATTR_PAD) ||
3178 	    nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
3179 			le16_to_cpu(reply.evt.sector_idx)))
3180 		goto nla_put_failure;
3181 
3182 	rc = cfg80211_vendor_cmd_reply(msg);
3183 	return rc;
3184 nla_put_failure:
3185 	kfree_skb(msg);
3186 	return -ENOBUFS;
3187 }
3188 
wil_rf_sector_wmi_set_selected(struct wil6210_priv * wil,u8 mid,u16 sector_index,u8 sector_type,u8 cid)3189 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
3190 					  u8 mid, u16 sector_index,
3191 					  u8 sector_type, u8 cid)
3192 {
3193 	struct wmi_set_selected_rf_sector_index_cmd cmd;
3194 	struct {
3195 		struct wmi_cmd_hdr wmi;
3196 		struct wmi_set_selected_rf_sector_index_done_event evt;
3197 	} __packed reply = {
3198 		.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3199 	};
3200 	int rc;
3201 
3202 	memset(&cmd, 0, sizeof(cmd));
3203 	cmd.sector_idx = cpu_to_le16(sector_index);
3204 	cmd.sector_type = sector_type;
3205 	cmd.cid = (u8)cid;
3206 	rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
3207 		      &cmd, sizeof(cmd),
3208 		      WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3209 		      &reply, sizeof(reply),
3210 		      500);
3211 	if (rc)
3212 		return rc;
3213 	return wil_rf_sector_status_to_rc(reply.evt.status);
3214 }
3215 
wil_rf_sector_set_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)3216 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
3217 				      struct wireless_dev *wdev,
3218 				      const void *data, int data_len)
3219 {
3220 	struct wil6210_priv *wil = wdev_to_wil(wdev);
3221 	struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3222 	int rc;
3223 	struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3224 	u16 sector_index;
3225 	u8 sector_type, mac_addr[ETH_ALEN], i;
3226 	int cid = 0;
3227 
3228 	if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3229 		return -EOPNOTSUPP;
3230 
3231 	rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3232 				  data_len, wil_rf_sector_policy, NULL);
3233 	if (rc) {
3234 		wil_err(wil, "Invalid rf sector ATTR\n");
3235 		return rc;
3236 	}
3237 
3238 	if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3239 	    !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3240 		wil_err(wil, "Invalid rf sector spec\n");
3241 		return -EINVAL;
3242 	}
3243 
3244 	sector_index = nla_get_u16(
3245 		tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3246 	if (sector_index >= WIL_MAX_RF_SECTORS &&
3247 	    sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3248 		wil_err(wil, "Invalid sector index %d\n", sector_index);
3249 		return -EINVAL;
3250 	}
3251 
3252 	sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3253 	if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3254 		wil_err(wil, "Invalid sector type %d\n", sector_type);
3255 		return -EINVAL;
3256 	}
3257 
3258 	if (tb[QCA_ATTR_MAC_ADDR]) {
3259 		ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3260 		if (!is_broadcast_ether_addr(mac_addr)) {
3261 			cid = wil_find_cid(wil, vif->mid, mac_addr);
3262 			if (cid < 0) {
3263 				wil_err(wil, "invalid MAC address %pM\n",
3264 					mac_addr);
3265 				return -ENOENT;
3266 			}
3267 		} else {
3268 			if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3269 				wil_err(wil, "broadcast MAC valid only with unlocking\n");
3270 				return -EINVAL;
3271 			}
3272 			cid = -1;
3273 		}
3274 	} else {
3275 		if (test_bit(wil_vif_fwconnected, vif->status)) {
3276 			wil_err(wil, "must specify MAC address when connected\n");
3277 			return -EINVAL;
3278 		}
3279 		/* otherwise, using cid=0 for unassociated station */
3280 	}
3281 
3282 	if (cid >= 0) {
3283 		rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
3284 						    sector_type, cid);
3285 	} else {
3286 		/* unlock all cids */
3287 		rc = wil_rf_sector_wmi_set_selected(
3288 			wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
3289 			sector_type, WIL_CID_ALL);
3290 		if (rc == -EINVAL) {
3291 			for (i = 0; i < wil->max_assoc_sta; i++) {
3292 				if (wil->sta[i].mid != vif->mid)
3293 					continue;
3294 				rc = wil_rf_sector_wmi_set_selected(
3295 					wil, vif->mid,
3296 					WMI_INVALID_RF_SECTOR_INDEX,
3297 					sector_type, i);
3298 				/* the FW will silently ignore and return
3299 				 * success for unused cid, so abort the loop
3300 				 * on any other error
3301 				 */
3302 				if (rc) {
3303 					wil_err(wil, "unlock cid %d failed with status %d\n",
3304 						i, rc);
3305 					break;
3306 				}
3307 			}
3308 		}
3309 	}
3310 
3311 	return rc;
3312 }
3313