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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee139...
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / cfg80211.c
1 /*
2 * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/etherdevice.h>
18 #include "wil6210.h"
19 #include "wmi.h"
20
21 #define CHAN60G(_channel, _flags) { \
22 .band = IEEE80211_BAND_60GHZ, \
23 .center_freq = 56160 + (2160 * (_channel)), \
24 .hw_value = (_channel), \
25 .flags = (_flags), \
26 .max_antenna_gain = 0, \
27 .max_power = 40, \
28 }
29
30 static struct ieee80211_channel wil_60ghz_channels[] = {
31 CHAN60G(1, 0),
32 CHAN60G(2, 0),
33 CHAN60G(3, 0),
34 /* channel 4 not supported yet */
35 };
36
37 static struct ieee80211_supported_band wil_band_60ghz = {
38 .channels = wil_60ghz_channels,
39 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
40 .ht_cap = {
41 .ht_supported = true,
42 .cap = 0, /* TODO */
43 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
44 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
45 .mcs = {
46 /* MCS 1..12 - SC PHY */
47 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
48 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
49 },
50 },
51 };
52
53 static const struct ieee80211_txrx_stypes
54 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
55 [NL80211_IFTYPE_STATION] = {
56 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
57 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
58 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
59 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
60 },
61 [NL80211_IFTYPE_AP] = {
62 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
63 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
64 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
65 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
66 },
67 [NL80211_IFTYPE_P2P_CLIENT] = {
68 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
69 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
70 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
71 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
72 },
73 [NL80211_IFTYPE_P2P_GO] = {
74 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
75 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
76 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
77 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
78 },
79 };
80
81 static const u32 wil_cipher_suites[] = {
82 WLAN_CIPHER_SUITE_GCMP,
83 };
84
85 int wil_iftype_nl2wmi(enum nl80211_iftype type)
86 {
87 static const struct {
88 enum nl80211_iftype nl;
89 enum wmi_network_type wmi;
90 } __nl2wmi[] = {
91 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
92 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
93 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
94 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
95 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
96 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
97 };
98 uint i;
99
100 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
101 if (__nl2wmi[i].nl == type)
102 return __nl2wmi[i].wmi;
103 }
104
105 return -EOPNOTSUPP;
106 }
107
108 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
109 struct station_info *sinfo)
110 {
111 struct wmi_notify_req_cmd cmd = {
112 .cid = cid,
113 .interval_usec = 0,
114 };
115 struct {
116 struct wil6210_mbox_hdr_wmi wmi;
117 struct wmi_notify_req_done_event evt;
118 } __packed reply;
119 struct wil_net_stats *stats = &wil->sta[cid].stats;
120 int rc;
121
122 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
123 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
124 if (rc)
125 return rc;
126
127 wil_dbg_wmi(wil, "Link status for CID %d: {\n"
128 " MCS %d TSF 0x%016llx\n"
129 " BF status 0x%08x SNR 0x%08x SQI %d%%\n"
130 " Tx Tpt %d goodput %d Rx goodput %d\n"
131 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
132 cid, le16_to_cpu(reply.evt.bf_mcs),
133 le64_to_cpu(reply.evt.tsf), reply.evt.status,
134 le32_to_cpu(reply.evt.snr_val),
135 reply.evt.sqi,
136 le32_to_cpu(reply.evt.tx_tpt),
137 le32_to_cpu(reply.evt.tx_goodput),
138 le32_to_cpu(reply.evt.rx_goodput),
139 le16_to_cpu(reply.evt.my_rx_sector),
140 le16_to_cpu(reply.evt.my_tx_sector),
141 le16_to_cpu(reply.evt.other_rx_sector),
142 le16_to_cpu(reply.evt.other_tx_sector));
143
144 sinfo->generation = wil->sinfo_gen;
145
146 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
147 BIT(NL80211_STA_INFO_TX_BYTES) |
148 BIT(NL80211_STA_INFO_RX_PACKETS) |
149 BIT(NL80211_STA_INFO_TX_PACKETS) |
150 BIT(NL80211_STA_INFO_RX_BITRATE) |
151 BIT(NL80211_STA_INFO_TX_BITRATE) |
152 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
153 BIT(NL80211_STA_INFO_TX_FAILED);
154
155 sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
156 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
157 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
158 sinfo->rxrate.mcs = stats->last_mcs_rx;
159 sinfo->rx_bytes = stats->rx_bytes;
160 sinfo->rx_packets = stats->rx_packets;
161 sinfo->rx_dropped_misc = stats->rx_dropped;
162 sinfo->tx_bytes = stats->tx_bytes;
163 sinfo->tx_packets = stats->tx_packets;
164 sinfo->tx_failed = stats->tx_errors;
165
166 if (test_bit(wil_status_fwconnected, wil->status)) {
167 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
168 sinfo->signal = reply.evt.sqi;
169 }
170
171 return rc;
172 }
173
174 static int wil_cfg80211_get_station(struct wiphy *wiphy,
175 struct net_device *ndev,
176 const u8 *mac, struct station_info *sinfo)
177 {
178 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
179 int rc;
180
181 int cid = wil_find_cid(wil, mac);
182
183 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
184 if (cid < 0)
185 return cid;
186
187 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
188
189 return rc;
190 }
191
192 /*
193 * Find @idx-th active STA for station dump.
194 */
195 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
196 {
197 int i;
198
199 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
200 if (wil->sta[i].status == wil_sta_unused)
201 continue;
202 if (idx == 0)
203 return i;
204 idx--;
205 }
206
207 return -ENOENT;
208 }
209
210 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
211 struct net_device *dev, int idx,
212 u8 *mac, struct station_info *sinfo)
213 {
214 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
215 int rc;
216 int cid = wil_find_cid_by_idx(wil, idx);
217
218 if (cid < 0)
219 return -ENOENT;
220
221 ether_addr_copy(mac, wil->sta[cid].addr);
222 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
223
224 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
225
226 return rc;
227 }
228
229 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
230 struct net_device *ndev,
231 enum nl80211_iftype type, u32 *flags,
232 struct vif_params *params)
233 {
234 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
235 struct wireless_dev *wdev = wil->wdev;
236
237 switch (type) {
238 case NL80211_IFTYPE_STATION:
239 case NL80211_IFTYPE_AP:
240 case NL80211_IFTYPE_P2P_CLIENT:
241 case NL80211_IFTYPE_P2P_GO:
242 break;
243 case NL80211_IFTYPE_MONITOR:
244 if (flags)
245 wil->monitor_flags = *flags;
246 else
247 wil->monitor_flags = 0;
248
249 break;
250 default:
251 return -EOPNOTSUPP;
252 }
253
254 wdev->iftype = type;
255
256 return 0;
257 }
258
259 static int wil_cfg80211_scan(struct wiphy *wiphy,
260 struct cfg80211_scan_request *request)
261 {
262 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
263 struct wireless_dev *wdev = wil->wdev;
264 struct {
265 struct wmi_start_scan_cmd cmd;
266 u16 chnl[4];
267 } __packed cmd;
268 uint i, n;
269 int rc;
270
271 if (wil->scan_request) {
272 wil_err(wil, "Already scanning\n");
273 return -EAGAIN;
274 }
275
276 /* check we are client side */
277 switch (wdev->iftype) {
278 case NL80211_IFTYPE_STATION:
279 case NL80211_IFTYPE_P2P_CLIENT:
280 break;
281 default:
282 return -EOPNOTSUPP;
283 }
284
285 /* FW don't support scan after connection attempt */
286 if (test_bit(wil_status_dontscan, wil->status)) {
287 wil_err(wil, "Can't scan now\n");
288 return -EBUSY;
289 }
290
291 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
292 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
293
294 for (i = 0; i < request->n_ssids; i++) {
295 wil_dbg_misc(wil, "SSID[%d]", i);
296 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
297 request->ssids[i].ssid,
298 request->ssids[i].ssid_len);
299 }
300
301 if (request->n_ssids)
302 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
303 request->ssids[0].ssid);
304 else
305 rc = wmi_set_ssid(wil, 0, NULL);
306
307 if (rc) {
308 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
309 return rc;
310 }
311
312 wil->scan_request = request;
313 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
314
315 memset(&cmd, 0, sizeof(cmd));
316 cmd.cmd.num_channels = 0;
317 n = min(request->n_channels, 4U);
318 for (i = 0; i < n; i++) {
319 int ch = request->channels[i]->hw_value;
320
321 if (ch == 0) {
322 wil_err(wil,
323 "Scan requested for unknown frequency %dMhz\n",
324 request->channels[i]->center_freq);
325 continue;
326 }
327 /* 0-based channel indexes */
328 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
329 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
330 request->channels[i]->center_freq);
331 }
332
333 if (request->ie_len)
334 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
335 request->ie, request->ie_len);
336 else
337 wil_dbg_misc(wil, "Scan has no IE's\n");
338
339 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
340 if (rc)
341 goto out;
342
343 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
344 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
345
346 out:
347 if (rc) {
348 del_timer_sync(&wil->scan_timer);
349 wil->scan_request = NULL;
350 }
351
352 return rc;
353 }
354
355 static void wil_print_crypto(struct wil6210_priv *wil,
356 struct cfg80211_crypto_settings *c)
357 {
358 int i, n;
359
360 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
361 c->wpa_versions, c->cipher_group);
362 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
363 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
364 for (i = 0; i < n; i++)
365 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
366 c->ciphers_pairwise[i]);
367 wil_dbg_misc(wil, "}\n");
368 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
369 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
370 for (i = 0; i < n; i++)
371 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
372 c->akm_suites[i]);
373 wil_dbg_misc(wil, "}\n");
374 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
375 c->control_port, be16_to_cpu(c->control_port_ethertype),
376 c->control_port_no_encrypt);
377 }
378
379 static void wil_print_connect_params(struct wil6210_priv *wil,
380 struct cfg80211_connect_params *sme)
381 {
382 wil_info(wil, "Connecting to:\n");
383 if (sme->channel) {
384 wil_info(wil, " Channel: %d freq %d\n",
385 sme->channel->hw_value, sme->channel->center_freq);
386 }
387 if (sme->bssid)
388 wil_info(wil, " BSSID: %pM\n", sme->bssid);
389 if (sme->ssid)
390 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
391 16, 1, sme->ssid, sme->ssid_len, true);
392 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
393 wil_print_crypto(wil, &sme->crypto);
394 }
395
396 static int wil_cfg80211_connect(struct wiphy *wiphy,
397 struct net_device *ndev,
398 struct cfg80211_connect_params *sme)
399 {
400 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
401 struct cfg80211_bss *bss;
402 struct wmi_connect_cmd conn;
403 const u8 *ssid_eid;
404 const u8 *rsn_eid;
405 int ch;
406 int rc = 0;
407
408 wil_print_connect_params(wil, sme);
409
410 if (test_bit(wil_status_fwconnecting, wil->status) ||
411 test_bit(wil_status_fwconnected, wil->status))
412 return -EALREADY;
413
414 if (sme->ie_len > WMI_MAX_IE_LEN) {
415 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
416 return -ERANGE;
417 }
418
419 rsn_eid = sme->ie ?
420 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
421 NULL;
422 if (sme->privacy && !rsn_eid)
423 wil_info(wil, "WSC connection\n");
424
425 if (sme->pbss) {
426 wil_err(wil, "connect - PBSS not yet supported\n");
427 return -EOPNOTSUPP;
428 }
429
430 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
431 sme->ssid, sme->ssid_len,
432 IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
433 if (!bss) {
434 wil_err(wil, "Unable to find BSS\n");
435 return -ENOENT;
436 }
437
438 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
439 if (!ssid_eid) {
440 wil_err(wil, "No SSID\n");
441 rc = -ENOENT;
442 goto out;
443 }
444 wil->privacy = sme->privacy;
445
446 if (wil->privacy) {
447 /* For secure assoc, remove old keys */
448 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
449 WMI_KEY_USE_PAIRWISE);
450 if (rc) {
451 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
452 goto out;
453 }
454 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
455 WMI_KEY_USE_RX_GROUP);
456 if (rc) {
457 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
458 goto out;
459 }
460 }
461
462 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
463 * elements. Send it also in case it's empty, to erase previously set
464 * ies in FW.
465 */
466 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
467 if (rc)
468 goto out;
469
470 /* WMI_CONNECT_CMD */
471 memset(&conn, 0, sizeof(conn));
472 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
473 case WLAN_CAPABILITY_DMG_TYPE_AP:
474 conn.network_type = WMI_NETTYPE_INFRA;
475 break;
476 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
477 conn.network_type = WMI_NETTYPE_P2P;
478 break;
479 default:
480 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
481 bss->capability);
482 goto out;
483 }
484 if (wil->privacy) {
485 if (rsn_eid) { /* regular secure connection */
486 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
487 conn.auth_mode = WMI_AUTH_WPA2_PSK;
488 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
489 conn.pairwise_crypto_len = 16;
490 conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
491 conn.group_crypto_len = 16;
492 } else { /* WSC */
493 conn.dot11_auth_mode = WMI_AUTH11_WSC;
494 conn.auth_mode = WMI_AUTH_NONE;
495 }
496 } else { /* insecure connection */
497 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
498 conn.auth_mode = WMI_AUTH_NONE;
499 }
500
501 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
502 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
503
504 ch = bss->channel->hw_value;
505 if (ch == 0) {
506 wil_err(wil, "BSS at unknown frequency %dMhz\n",
507 bss->channel->center_freq);
508 rc = -EOPNOTSUPP;
509 goto out;
510 }
511 conn.channel = ch - 1;
512
513 ether_addr_copy(conn.bssid, bss->bssid);
514 ether_addr_copy(conn.dst_mac, bss->bssid);
515
516 set_bit(wil_status_fwconnecting, wil->status);
517
518 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
519 if (rc == 0) {
520 netif_carrier_on(ndev);
521 /* Connect can take lots of time */
522 mod_timer(&wil->connect_timer,
523 jiffies + msecs_to_jiffies(2000));
524 } else {
525 clear_bit(wil_status_fwconnecting, wil->status);
526 }
527
528 out:
529 cfg80211_put_bss(wiphy, bss);
530
531 return rc;
532 }
533
534 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
535 struct net_device *ndev,
536 u16 reason_code)
537 {
538 int rc;
539 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
540
541 wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code);
542
543 if (!(test_bit(wil_status_fwconnecting, wil->status) ||
544 test_bit(wil_status_fwconnected, wil->status))) {
545 wil_err(wil, "%s: Disconnect was called while disconnected\n",
546 __func__);
547 return 0;
548 }
549
550 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0,
551 WMI_DISCONNECT_EVENTID, NULL, 0,
552 WIL6210_DISCONNECT_TO_MS);
553 if (rc)
554 wil_err(wil, "%s: disconnect error %d\n", __func__, rc);
555
556 return rc;
557 }
558
559 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
560 struct cfg80211_mgmt_tx_params *params,
561 u64 *cookie)
562 {
563 const u8 *buf = params->buf;
564 size_t len = params->len;
565 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
566 int rc;
567 bool tx_status = false;
568 struct ieee80211_mgmt *mgmt_frame = (void *)buf;
569 struct wmi_sw_tx_req_cmd *cmd;
570 struct {
571 struct wil6210_mbox_hdr_wmi wmi;
572 struct wmi_sw_tx_complete_event evt;
573 } __packed evt;
574
575 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
576 if (!cmd) {
577 rc = -ENOMEM;
578 goto out;
579 }
580
581 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
582 cmd->len = cpu_to_le16(len);
583 memcpy(cmd->payload, buf, len);
584
585 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
586 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
587 if (rc == 0)
588 tx_status = !evt.evt.status;
589
590 kfree(cmd);
591 out:
592 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
593 tx_status, GFP_KERNEL);
594 return rc;
595 }
596
597 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
598 struct cfg80211_chan_def *chandef)
599 {
600 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
601 struct wireless_dev *wdev = wil->wdev;
602
603 wdev->preset_chandef = *chandef;
604
605 return 0;
606 }
607
608 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
609 bool pairwise)
610 {
611 struct wireless_dev *wdev = wil->wdev;
612 enum wmi_key_usage rc;
613 static const char * const key_usage_str[] = {
614 [WMI_KEY_USE_PAIRWISE] = "WMI_KEY_USE_PAIRWISE",
615 [WMI_KEY_USE_RX_GROUP] = "WMI_KEY_USE_RX_GROUP",
616 [WMI_KEY_USE_TX_GROUP] = "WMI_KEY_USE_TX_GROUP",
617 };
618
619 if (pairwise) {
620 rc = WMI_KEY_USE_PAIRWISE;
621 } else {
622 switch (wdev->iftype) {
623 case NL80211_IFTYPE_STATION:
624 rc = WMI_KEY_USE_RX_GROUP;
625 break;
626 case NL80211_IFTYPE_AP:
627 rc = WMI_KEY_USE_TX_GROUP;
628 break;
629 default:
630 /* TODO: Rx GTK or Tx GTK? */
631 wil_err(wil, "Can't determine GTK type\n");
632 rc = WMI_KEY_USE_RX_GROUP;
633 break;
634 }
635 }
636 wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]);
637
638 return rc;
639 }
640
641 static int wil_cfg80211_add_key(struct wiphy *wiphy,
642 struct net_device *ndev,
643 u8 key_index, bool pairwise,
644 const u8 *mac_addr,
645 struct key_params *params)
646 {
647 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
648 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
649
650 wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
651 pairwise ? "PTK" : "GTK");
652
653 return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
654 params->key, key_usage);
655 }
656
657 static int wil_cfg80211_del_key(struct wiphy *wiphy,
658 struct net_device *ndev,
659 u8 key_index, bool pairwise,
660 const u8 *mac_addr)
661 {
662 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
663 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
664
665 wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
666 pairwise ? "PTK" : "GTK");
667
668 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
669 }
670
671 /* Need to be present or wiphy_new() will WARN */
672 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
673 struct net_device *ndev,
674 u8 key_index, bool unicast,
675 bool multicast)
676 {
677 return 0;
678 }
679
680 static int wil_remain_on_channel(struct wiphy *wiphy,
681 struct wireless_dev *wdev,
682 struct ieee80211_channel *chan,
683 unsigned int duration,
684 u64 *cookie)
685 {
686 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
687 int rc;
688
689 /* TODO: handle duration */
690 wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
691
692 rc = wmi_set_channel(wil, chan->hw_value);
693 if (rc)
694 return rc;
695
696 rc = wmi_rxon(wil, true);
697
698 return rc;
699 }
700
701 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
702 struct wireless_dev *wdev,
703 u64 cookie)
704 {
705 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
706 int rc;
707
708 wil_info(wil, "%s()\n", __func__);
709
710 rc = wmi_rxon(wil, false);
711
712 return rc;
713 }
714
715 /**
716 * find a specific IE in a list of IEs
717 * return a pointer to the beginning of IE in the list
718 * or NULL if not found
719 */
720 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
721 u16 ie_len)
722 {
723 struct ieee80211_vendor_ie *vie;
724 u32 oui;
725
726 /* IE tag at offset 0, length at offset 1 */
727 if (ie_len < 2 || 2 + ie[1] > ie_len)
728 return NULL;
729
730 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
731 return cfg80211_find_ie(ie[0], ies, ies_len);
732
733 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
734 if (ie[1] < 4)
735 return NULL;
736 vie = (struct ieee80211_vendor_ie *)ie;
737 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
738 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
739 ies_len);
740 }
741
742 /**
743 * merge the IEs in two lists into a single list.
744 * do not include IEs from the second list which exist in the first list.
745 * add only vendor specific IEs from second list to keep
746 * the merged list sorted (since vendor-specific IE has the
747 * highest tag number)
748 * caller must free the allocated memory for merged IEs
749 */
750 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
751 const u8 *ies2, u16 ies2_len,
752 u8 **merged_ies, u16 *merged_len)
753 {
754 u8 *buf, *dpos;
755 const u8 *spos;
756
757 if (ies1_len == 0 && ies2_len == 0) {
758 *merged_ies = NULL;
759 *merged_len = 0;
760 return 0;
761 }
762
763 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
764 if (!buf)
765 return -ENOMEM;
766 memcpy(buf, ies1, ies1_len);
767 dpos = buf + ies1_len;
768 spos = ies2;
769 while (spos + 1 < ies2 + ies2_len) {
770 /* IE tag at offset 0, length at offset 1 */
771 u16 ielen = 2 + spos[1];
772
773 if (spos + ielen > ies2 + ies2_len)
774 break;
775 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
776 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
777 memcpy(dpos, spos, ielen);
778 dpos += ielen;
779 }
780 spos += ielen;
781 }
782
783 *merged_ies = buf;
784 *merged_len = dpos - buf;
785 return 0;
786 }
787
788 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
789 {
790 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET,
791 b->head, b->head_len);
792 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET,
793 b->tail, b->tail_len);
794 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET,
795 b->beacon_ies, b->beacon_ies_len);
796 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET,
797 b->probe_resp, b->probe_resp_len);
798 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
799 b->proberesp_ies, b->proberesp_ies_len);
800 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
801 b->assocresp_ies, b->assocresp_ies_len);
802 }
803
804 /* internal functions for device reset and starting AP */
805 static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
806 struct cfg80211_beacon_data *bcon)
807 {
808 int rc;
809 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
810 u16 len = 0, proberesp_len = 0;
811 u8 *ies = NULL, *proberesp = NULL;
812
813 if (bcon->probe_resp) {
814 struct ieee80211_mgmt *f =
815 (struct ieee80211_mgmt *)bcon->probe_resp;
816 size_t hlen = offsetof(struct ieee80211_mgmt,
817 u.probe_resp.variable);
818 proberesp = f->u.probe_resp.variable;
819 proberesp_len = bcon->probe_resp_len - hlen;
820 }
821 rc = _wil_cfg80211_merge_extra_ies(proberesp,
822 proberesp_len,
823 bcon->proberesp_ies,
824 bcon->proberesp_ies_len,
825 &ies, &len);
826
827 if (rc)
828 goto out;
829
830 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies);
831 if (rc)
832 goto out;
833
834 if (bcon->assocresp_ies)
835 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
836 bcon->assocresp_ies_len, bcon->assocresp_ies);
837 else
838 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies);
839 #if 0 /* to use beacon IE's, remove this #if 0 */
840 if (rc)
841 goto out;
842
843 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
844 #endif
845 out:
846 kfree(ies);
847 return rc;
848 }
849
850 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
851 struct net_device *ndev,
852 const u8 *ssid, size_t ssid_len, u32 privacy,
853 int bi, u8 chan,
854 struct cfg80211_beacon_data *bcon,
855 u8 hidden_ssid)
856 {
857 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
858 int rc;
859 struct wireless_dev *wdev = ndev->ieee80211_ptr;
860 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
861
862 wil_set_recovery_state(wil, fw_recovery_idle);
863
864 mutex_lock(&wil->mutex);
865
866 __wil_down(wil);
867 rc = __wil_up(wil);
868 if (rc)
869 goto out;
870
871 rc = wmi_set_ssid(wil, ssid_len, ssid);
872 if (rc)
873 goto out;
874
875 rc = _wil_cfg80211_set_ies(wiphy, bcon);
876 if (rc)
877 goto out;
878
879 wil->privacy = privacy;
880 wil->channel = chan;
881 wil->hidden_ssid = hidden_ssid;
882
883 netif_carrier_on(ndev);
884
885 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid);
886 if (rc)
887 goto err_pcp_start;
888
889 rc = wil_bcast_init(wil);
890 if (rc)
891 goto err_bcast;
892
893 goto out; /* success */
894
895 err_bcast:
896 wmi_pcp_stop(wil);
897 err_pcp_start:
898 netif_carrier_off(ndev);
899 out:
900 mutex_unlock(&wil->mutex);
901 return rc;
902 }
903
904 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
905 struct net_device *ndev,
906 struct cfg80211_beacon_data *bcon)
907 {
908 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
909 int rc;
910 u32 privacy = 0;
911
912 wil_dbg_misc(wil, "%s()\n", __func__);
913 wil_print_bcon_data(bcon);
914
915 if (bcon->tail &&
916 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
917 bcon->tail_len))
918 privacy = 1;
919
920 /* in case privacy has changed, need to restart the AP */
921 if (wil->privacy != privacy) {
922 struct wireless_dev *wdev = ndev->ieee80211_ptr;
923
924 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
925 wil->privacy, privacy);
926
927 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
928 wdev->ssid_len, privacy,
929 wdev->beacon_interval,
930 wil->channel, bcon,
931 wil->hidden_ssid);
932 } else {
933 rc = _wil_cfg80211_set_ies(wiphy, bcon);
934 }
935
936 return rc;
937 }
938
939 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
940 struct net_device *ndev,
941 struct cfg80211_ap_settings *info)
942 {
943 int rc;
944 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
945 struct ieee80211_channel *channel = info->chandef.chan;
946 struct cfg80211_beacon_data *bcon = &info->beacon;
947 struct cfg80211_crypto_settings *crypto = &info->crypto;
948 u8 hidden_ssid;
949
950 wil_dbg_misc(wil, "%s()\n", __func__);
951
952 if (!channel) {
953 wil_err(wil, "AP: No channel???\n");
954 return -EINVAL;
955 }
956
957 if (info->pbss) {
958 wil_err(wil, "AP: PBSS not yet supported\n");
959 return -EOPNOTSUPP;
960 }
961
962 switch (info->hidden_ssid) {
963 case NL80211_HIDDEN_SSID_NOT_IN_USE:
964 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
965 break;
966
967 case NL80211_HIDDEN_SSID_ZERO_LEN:
968 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
969 break;
970
971 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
972 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
973 break;
974
975 default:
976 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
977 return -EOPNOTSUPP;
978 }
979 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
980 channel->center_freq, info->privacy ? "secure" : "open");
981 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
982 info->privacy, info->auth_type);
983 wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
984 info->hidden_ssid);
985 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
986 info->dtim_period);
987 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
988 info->ssid, info->ssid_len);
989 wil_print_bcon_data(bcon);
990 wil_print_crypto(wil, crypto);
991
992 rc = _wil_cfg80211_start_ap(wiphy, ndev,
993 info->ssid, info->ssid_len, info->privacy,
994 info->beacon_interval, channel->hw_value,
995 bcon, hidden_ssid);
996
997 return rc;
998 }
999
1000 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
1001 struct net_device *ndev)
1002 {
1003 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1004
1005 wil_dbg_misc(wil, "%s()\n", __func__);
1006
1007 netif_carrier_off(ndev);
1008 wil_set_recovery_state(wil, fw_recovery_idle);
1009
1010 mutex_lock(&wil->mutex);
1011
1012 wmi_pcp_stop(wil);
1013
1014 __wil_down(wil);
1015
1016 mutex_unlock(&wil->mutex);
1017
1018 return 0;
1019 }
1020
1021 static int wil_cfg80211_del_station(struct wiphy *wiphy,
1022 struct net_device *dev,
1023 struct station_del_parameters *params)
1024 {
1025 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1026
1027 wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac,
1028 params->reason_code);
1029
1030 mutex_lock(&wil->mutex);
1031 wil6210_disconnect(wil, params->mac, params->reason_code, false);
1032 mutex_unlock(&wil->mutex);
1033
1034 return 0;
1035 }
1036
1037 /* probe_client handling */
1038 static void wil_probe_client_handle(struct wil6210_priv *wil,
1039 struct wil_probe_client_req *req)
1040 {
1041 struct net_device *ndev = wil_to_ndev(wil);
1042 struct wil_sta_info *sta = &wil->sta[req->cid];
1043 /* assume STA is alive if it is still connected,
1044 * else FW will disconnect it
1045 */
1046 bool alive = (sta->status == wil_sta_connected);
1047
1048 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
1049 }
1050
1051 static struct list_head *next_probe_client(struct wil6210_priv *wil)
1052 {
1053 struct list_head *ret = NULL;
1054
1055 mutex_lock(&wil->probe_client_mutex);
1056
1057 if (!list_empty(&wil->probe_client_pending)) {
1058 ret = wil->probe_client_pending.next;
1059 list_del(ret);
1060 }
1061
1062 mutex_unlock(&wil->probe_client_mutex);
1063
1064 return ret;
1065 }
1066
1067 void wil_probe_client_worker(struct work_struct *work)
1068 {
1069 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1070 probe_client_worker);
1071 struct wil_probe_client_req *req;
1072 struct list_head *lh;
1073
1074 while ((lh = next_probe_client(wil)) != NULL) {
1075 req = list_entry(lh, struct wil_probe_client_req, list);
1076
1077 wil_probe_client_handle(wil, req);
1078 kfree(req);
1079 }
1080 }
1081
1082 void wil_probe_client_flush(struct wil6210_priv *wil)
1083 {
1084 struct wil_probe_client_req *req, *t;
1085
1086 wil_dbg_misc(wil, "%s()\n", __func__);
1087
1088 mutex_lock(&wil->probe_client_mutex);
1089
1090 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) {
1091 list_del(&req->list);
1092 kfree(req);
1093 }
1094
1095 mutex_unlock(&wil->probe_client_mutex);
1096 }
1097
1098 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
1099 struct net_device *dev,
1100 const u8 *peer, u64 *cookie)
1101 {
1102 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1103 struct wil_probe_client_req *req;
1104 int cid = wil_find_cid(wil, peer);
1105
1106 wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid);
1107
1108 if (cid < 0)
1109 return -ENOLINK;
1110
1111 req = kzalloc(sizeof(*req), GFP_KERNEL);
1112 if (!req)
1113 return -ENOMEM;
1114
1115 req->cid = cid;
1116 req->cookie = cid;
1117
1118 mutex_lock(&wil->probe_client_mutex);
1119 list_add_tail(&req->list, &wil->probe_client_pending);
1120 mutex_unlock(&wil->probe_client_mutex);
1121
1122 *cookie = req->cookie;
1123 queue_work(wil->wq_service, &wil->probe_client_worker);
1124 return 0;
1125 }
1126
1127 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
1128 struct net_device *dev,
1129 struct bss_parameters *params)
1130 {
1131 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1132
1133 if (params->ap_isolate >= 0) {
1134 wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__,
1135 wil->ap_isolate, params->ap_isolate);
1136 wil->ap_isolate = params->ap_isolate;
1137 }
1138
1139 return 0;
1140 }
1141
1142 static struct cfg80211_ops wil_cfg80211_ops = {
1143 .scan = wil_cfg80211_scan,
1144 .connect = wil_cfg80211_connect,
1145 .disconnect = wil_cfg80211_disconnect,
1146 .change_virtual_intf = wil_cfg80211_change_iface,
1147 .get_station = wil_cfg80211_get_station,
1148 .dump_station = wil_cfg80211_dump_station,
1149 .remain_on_channel = wil_remain_on_channel,
1150 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
1151 .mgmt_tx = wil_cfg80211_mgmt_tx,
1152 .set_monitor_channel = wil_cfg80211_set_channel,
1153 .add_key = wil_cfg80211_add_key,
1154 .del_key = wil_cfg80211_del_key,
1155 .set_default_key = wil_cfg80211_set_default_key,
1156 /* AP mode */
1157 .change_beacon = wil_cfg80211_change_beacon,
1158 .start_ap = wil_cfg80211_start_ap,
1159 .stop_ap = wil_cfg80211_stop_ap,
1160 .del_station = wil_cfg80211_del_station,
1161 .probe_client = wil_cfg80211_probe_client,
1162 .change_bss = wil_cfg80211_change_bss,
1163 };
1164
1165 static void wil_wiphy_init(struct wiphy *wiphy)
1166 {
1167 wiphy->max_scan_ssids = 1;
1168 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
1169 wiphy->max_num_pmkids = 0 /* TODO: */;
1170 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1171 BIT(NL80211_IFTYPE_AP) |
1172 BIT(NL80211_IFTYPE_MONITOR);
1173 /* TODO: enable P2P when integrated with supplicant:
1174 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
1175 */
1176 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1177 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1178 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
1179 __func__, wiphy->flags);
1180 wiphy->probe_resp_offload =
1181 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1182 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1183 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
1184
1185 wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
1186
1187 /* TODO: figure this out */
1188 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
1189
1190 wiphy->cipher_suites = wil_cipher_suites;
1191 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
1192 wiphy->mgmt_stypes = wil_mgmt_stypes;
1193 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
1194 }
1195
1196 struct wireless_dev *wil_cfg80211_init(struct device *dev)
1197 {
1198 int rc = 0;
1199 struct wireless_dev *wdev;
1200
1201 dev_dbg(dev, "%s()\n", __func__);
1202
1203 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
1204 if (!wdev)
1205 return ERR_PTR(-ENOMEM);
1206
1207 wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
1208 sizeof(struct wil6210_priv));
1209 if (!wdev->wiphy) {
1210 rc = -ENOMEM;
1211 goto out;
1212 }
1213
1214 set_wiphy_dev(wdev->wiphy, dev);
1215 wil_wiphy_init(wdev->wiphy);
1216
1217 rc = wiphy_register(wdev->wiphy);
1218 if (rc < 0)
1219 goto out_failed_reg;
1220
1221 return wdev;
1222
1223 out_failed_reg:
1224 wiphy_free(wdev->wiphy);
1225 out:
1226 kfree(wdev);
1227
1228 return ERR_PTR(rc);
1229 }
1230
1231 void wil_wdev_free(struct wil6210_priv *wil)
1232 {
1233 struct wireless_dev *wdev = wil_to_wdev(wil);
1234
1235 dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
1236
1237 if (!wdev)
1238 return;
1239
1240 wiphy_unregister(wdev->wiphy);
1241 wiphy_free(wdev->wiphy);
1242 kfree(wdev);
1243 }
Linux kernel - Deliverables
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