2 * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
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.
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.
17 #include <linux/etherdevice.h>
21 #define WIL_MAX_ROC_DURATION_MS 5000
23 #define CHAN60G(_channel, _flags) { \
24 .band = IEEE80211_BAND_60GHZ, \
25 .center_freq = 56160 + (2160 * (_channel)), \
26 .hw_value = (_channel), \
28 .max_antenna_gain = 0, \
32 static struct ieee80211_channel wil_60ghz_channels[] = {
36 /* channel 4 not supported yet */
39 static struct ieee80211_supported_band wil_band_60ghz = {
40 .channels = wil_60ghz_channels,
41 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
45 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
46 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
48 /* MCS 1..12 - SC PHY */
49 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
50 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
55 static const struct ieee80211_txrx_stypes
56 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
57 [NL80211_IFTYPE_STATION] = {
58 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
59 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
60 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
61 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
63 [NL80211_IFTYPE_AP] = {
64 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
65 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
66 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
67 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
69 [NL80211_IFTYPE_P2P_CLIENT] = {
70 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
71 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
72 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
73 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
75 [NL80211_IFTYPE_P2P_GO] = {
76 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
77 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
78 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
79 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
81 [NL80211_IFTYPE_P2P_DEVICE] = {
82 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
83 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
84 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
85 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
89 static const u32 wil_cipher_suites[] = {
90 WLAN_CIPHER_SUITE_GCMP,
93 static const char * const key_usage_str[] = {
94 [WMI_KEY_USE_PAIRWISE] = "PTK",
95 [WMI_KEY_USE_RX_GROUP] = "RX_GTK",
96 [WMI_KEY_USE_TX_GROUP] = "TX_GTK",
99 int wil_iftype_nl2wmi(enum nl80211_iftype type)
101 static const struct {
102 enum nl80211_iftype nl;
103 enum wmi_network_type wmi;
105 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
106 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
107 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
108 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
109 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
110 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
114 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
115 if (__nl2wmi[i].nl == type)
116 return __nl2wmi[i].wmi;
122 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
123 struct station_info *sinfo)
125 struct wmi_notify_req_cmd cmd = {
130 struct wmi_cmd_hdr wmi;
131 struct wmi_notify_req_done_event evt;
133 struct wil_net_stats *stats = &wil->sta[cid].stats;
136 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
137 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
141 wil_dbg_wmi(wil, "Link status for CID %d: {\n"
142 " MCS %d TSF 0x%016llx\n"
143 " BF status 0x%08x SNR 0x%08x SQI %d%%\n"
144 " Tx Tpt %d goodput %d Rx goodput %d\n"
145 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
146 cid, le16_to_cpu(reply.evt.bf_mcs),
147 le64_to_cpu(reply.evt.tsf), reply.evt.status,
148 le32_to_cpu(reply.evt.snr_val),
150 le32_to_cpu(reply.evt.tx_tpt),
151 le32_to_cpu(reply.evt.tx_goodput),
152 le32_to_cpu(reply.evt.rx_goodput),
153 le16_to_cpu(reply.evt.my_rx_sector),
154 le16_to_cpu(reply.evt.my_tx_sector),
155 le16_to_cpu(reply.evt.other_rx_sector),
156 le16_to_cpu(reply.evt.other_tx_sector));
158 sinfo->generation = wil->sinfo_gen;
160 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
161 BIT(NL80211_STA_INFO_TX_BYTES) |
162 BIT(NL80211_STA_INFO_RX_PACKETS) |
163 BIT(NL80211_STA_INFO_TX_PACKETS) |
164 BIT(NL80211_STA_INFO_RX_BITRATE) |
165 BIT(NL80211_STA_INFO_TX_BITRATE) |
166 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
167 BIT(NL80211_STA_INFO_TX_FAILED);
169 sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
170 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
171 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
172 sinfo->rxrate.mcs = stats->last_mcs_rx;
173 sinfo->rx_bytes = stats->rx_bytes;
174 sinfo->rx_packets = stats->rx_packets;
175 sinfo->rx_dropped_misc = stats->rx_dropped;
176 sinfo->tx_bytes = stats->tx_bytes;
177 sinfo->tx_packets = stats->tx_packets;
178 sinfo->tx_failed = stats->tx_errors;
180 if (test_bit(wil_status_fwconnected, wil->status)) {
181 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
182 sinfo->signal = reply.evt.sqi;
188 static int wil_cfg80211_get_station(struct wiphy *wiphy,
189 struct net_device *ndev,
190 const u8 *mac, struct station_info *sinfo)
192 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
195 int cid = wil_find_cid(wil, mac);
197 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
201 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
207 * Find @idx-th active STA for station dump.
209 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
213 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
214 if (wil->sta[i].status == wil_sta_unused)
224 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
225 struct net_device *dev, int idx,
226 u8 *mac, struct station_info *sinfo)
228 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
230 int cid = wil_find_cid_by_idx(wil, idx);
235 ether_addr_copy(mac, wil->sta[cid].addr);
236 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
238 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
243 static struct wireless_dev *
244 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
245 unsigned char name_assign_type,
246 enum nl80211_iftype type,
247 u32 *flags, struct vif_params *params)
249 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
250 struct net_device *ndev = wil_to_ndev(wil);
251 struct wireless_dev *p2p_wdev;
253 wil_dbg_misc(wil, "%s()\n", __func__);
255 if (type != NL80211_IFTYPE_P2P_DEVICE) {
256 wil_err(wil, "%s: unsupported iftype %d\n", __func__, type);
257 return ERR_PTR(-EINVAL);
261 wil_err(wil, "%s: P2P_DEVICE interface already created\n",
263 return ERR_PTR(-EINVAL);
266 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
268 return ERR_PTR(-ENOMEM);
270 p2p_wdev->iftype = type;
271 p2p_wdev->wiphy = wiphy;
272 /* use our primary ethernet address */
273 ether_addr_copy(p2p_wdev->address, ndev->perm_addr);
275 wil->p2p_wdev = p2p_wdev;
280 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
281 struct wireless_dev *wdev)
283 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
285 wil_dbg_misc(wil, "%s()\n", __func__);
287 if (wdev != wil->p2p_wdev) {
288 wil_err(wil, "%s: delete of incorrect interface 0x%p\n",
293 wil_p2p_wdev_free(wil);
298 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
299 struct net_device *ndev,
300 enum nl80211_iftype type, u32 *flags,
301 struct vif_params *params)
303 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
304 struct wireless_dev *wdev = wil_to_wdev(wil);
307 wil_dbg_misc(wil, "%s() type=%d\n", __func__, type);
309 if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) {
310 wil_dbg_misc(wil, "interface is up. resetting...\n");
311 mutex_lock(&wil->mutex);
314 mutex_unlock(&wil->mutex);
321 case NL80211_IFTYPE_STATION:
322 case NL80211_IFTYPE_AP:
323 case NL80211_IFTYPE_P2P_CLIENT:
324 case NL80211_IFTYPE_P2P_GO:
326 case NL80211_IFTYPE_MONITOR:
328 wil->monitor_flags = *flags;
330 wil->monitor_flags = 0;
342 static int wil_cfg80211_scan(struct wiphy *wiphy,
343 struct cfg80211_scan_request *request)
345 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
346 struct wireless_dev *wdev = request->wdev;
348 struct wmi_start_scan_cmd cmd;
354 wil_dbg_misc(wil, "%s(), wdev=0x%p iftype=%d\n",
355 __func__, wdev, wdev->iftype);
357 if (wil->scan_request) {
358 wil_err(wil, "Already scanning\n");
362 /* check we are client side */
363 switch (wdev->iftype) {
364 case NL80211_IFTYPE_STATION:
365 case NL80211_IFTYPE_P2P_CLIENT:
366 case NL80211_IFTYPE_P2P_DEVICE:
372 /* FW don't support scan after connection attempt */
373 if (test_bit(wil_status_dontscan, wil->status)) {
374 wil_err(wil, "Can't scan now\n");
378 /* scan on P2P_DEVICE is handled as p2p search */
379 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
380 wil->scan_request = request;
381 wil->radio_wdev = wdev;
382 rc = wil_p2p_search(wil, request);
384 wil->radio_wdev = wil_to_wdev(wil);
385 wil->scan_request = NULL;
390 (void)wil_p2p_stop_discovery(wil);
392 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
393 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
395 for (i = 0; i < request->n_ssids; i++) {
396 wil_dbg_misc(wil, "SSID[%d]", i);
397 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
398 request->ssids[i].ssid,
399 request->ssids[i].ssid_len);
402 if (request->n_ssids)
403 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
404 request->ssids[0].ssid);
406 rc = wmi_set_ssid(wil, 0, NULL);
409 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
413 wil->scan_request = request;
414 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
416 memset(&cmd, 0, sizeof(cmd));
417 cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
418 cmd.cmd.num_channels = 0;
419 n = min(request->n_channels, 4U);
420 for (i = 0; i < n; i++) {
421 int ch = request->channels[i]->hw_value;
425 "Scan requested for unknown frequency %dMhz\n",
426 request->channels[i]->center_freq);
429 /* 0-based channel indexes */
430 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
431 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
432 request->channels[i]->center_freq);
436 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
437 request->ie, request->ie_len);
439 wil_dbg_misc(wil, "Scan has no IE's\n");
441 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
445 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
446 cmd.cmd.discovery_mode = 1;
447 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
450 wil->radio_wdev = wdev;
451 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
452 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
456 del_timer_sync(&wil->scan_timer);
457 wil->radio_wdev = wil_to_wdev(wil);
458 wil->scan_request = NULL;
464 static void wil_print_crypto(struct wil6210_priv *wil,
465 struct cfg80211_crypto_settings *c)
469 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
470 c->wpa_versions, c->cipher_group);
471 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
472 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
473 for (i = 0; i < n; i++)
474 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
475 c->ciphers_pairwise[i]);
476 wil_dbg_misc(wil, "}\n");
477 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
478 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
479 for (i = 0; i < n; i++)
480 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
482 wil_dbg_misc(wil, "}\n");
483 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
484 c->control_port, be16_to_cpu(c->control_port_ethertype),
485 c->control_port_no_encrypt);
488 static void wil_print_connect_params(struct wil6210_priv *wil,
489 struct cfg80211_connect_params *sme)
491 wil_info(wil, "Connecting to:\n");
493 wil_info(wil, " Channel: %d freq %d\n",
494 sme->channel->hw_value, sme->channel->center_freq);
497 wil_info(wil, " BSSID: %pM\n", sme->bssid);
499 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
500 16, 1, sme->ssid, sme->ssid_len, true);
501 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
502 wil_info(wil, " PBSS: %d\n", sme->pbss);
503 wil_print_crypto(wil, &sme->crypto);
506 static int wil_cfg80211_connect(struct wiphy *wiphy,
507 struct net_device *ndev,
508 struct cfg80211_connect_params *sme)
510 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
511 struct cfg80211_bss *bss;
512 struct wmi_connect_cmd conn;
517 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
519 wil_dbg_misc(wil, "%s()\n", __func__);
520 wil_print_connect_params(wil, sme);
522 if (test_bit(wil_status_fwconnecting, wil->status) ||
523 test_bit(wil_status_fwconnected, wil->status))
526 if (sme->ie_len > WMI_MAX_IE_LEN) {
527 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
532 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
534 if (sme->privacy && !rsn_eid)
535 wil_info(wil, "WSC connection\n");
538 bss_type = IEEE80211_BSS_TYPE_PBSS;
540 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
541 sme->ssid, sme->ssid_len,
542 bss_type, IEEE80211_PRIVACY_ANY);
544 wil_err(wil, "Unable to find BSS\n");
548 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
550 wil_err(wil, "No SSID\n");
554 wil->privacy = sme->privacy;
557 /* For secure assoc, remove old keys */
558 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
559 WMI_KEY_USE_PAIRWISE);
561 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
564 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
565 WMI_KEY_USE_RX_GROUP);
567 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
572 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
573 * elements. Send it also in case it's empty, to erase previously set
576 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
580 /* WMI_CONNECT_CMD */
581 memset(&conn, 0, sizeof(conn));
582 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
583 case WLAN_CAPABILITY_DMG_TYPE_AP:
584 conn.network_type = WMI_NETTYPE_INFRA;
586 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
587 conn.network_type = WMI_NETTYPE_P2P;
590 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
595 if (rsn_eid) { /* regular secure connection */
596 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
597 conn.auth_mode = WMI_AUTH_WPA2_PSK;
598 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
599 conn.pairwise_crypto_len = 16;
600 conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
601 conn.group_crypto_len = 16;
603 conn.dot11_auth_mode = WMI_AUTH11_WSC;
604 conn.auth_mode = WMI_AUTH_NONE;
606 } else { /* insecure connection */
607 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
608 conn.auth_mode = WMI_AUTH_NONE;
611 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
612 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
614 ch = bss->channel->hw_value;
616 wil_err(wil, "BSS at unknown frequency %dMhz\n",
617 bss->channel->center_freq);
621 conn.channel = ch - 1;
623 ether_addr_copy(conn.bssid, bss->bssid);
624 ether_addr_copy(conn.dst_mac, bss->bssid);
626 set_bit(wil_status_fwconnecting, wil->status);
628 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
630 netif_carrier_on(ndev);
631 /* Connect can take lots of time */
632 mod_timer(&wil->connect_timer,
633 jiffies + msecs_to_jiffies(2000));
635 clear_bit(wil_status_fwconnecting, wil->status);
639 cfg80211_put_bss(wiphy, bss);
644 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
645 struct net_device *ndev,
649 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
651 wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code);
653 if (!(test_bit(wil_status_fwconnecting, wil->status) ||
654 test_bit(wil_status_fwconnected, wil->status))) {
655 wil_err(wil, "%s: Disconnect was called while disconnected\n",
660 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0,
661 WMI_DISCONNECT_EVENTID, NULL, 0,
662 WIL6210_DISCONNECT_TO_MS);
664 wil_err(wil, "%s: disconnect error %d\n", __func__, rc);
669 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
670 struct cfg80211_mgmt_tx_params *params,
673 const u8 *buf = params->buf;
674 size_t len = params->len;
675 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
677 bool tx_status = false;
678 struct ieee80211_mgmt *mgmt_frame = (void *)buf;
679 struct wmi_sw_tx_req_cmd *cmd;
681 struct wmi_cmd_hdr wmi;
682 struct wmi_sw_tx_complete_event evt;
685 /* Note, currently we do not support the "wait" parameter, user-space
686 * must call remain_on_channel before mgmt_tx or listen on a channel
687 * another way (AP/PCP or connected station)
688 * in addition we need to check if specified "chan" argument is
689 * different from currently "listened" channel and fail if it is.
692 wil_dbg_misc(wil, "%s()\n", __func__);
693 print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len);
695 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
701 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
702 cmd->len = cpu_to_le16(len);
703 memcpy(cmd->payload, buf, len);
705 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
706 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
708 tx_status = !evt.evt.status;
712 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
713 tx_status, GFP_KERNEL);
717 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
718 struct cfg80211_chan_def *chandef)
720 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
721 struct wireless_dev *wdev = wil_to_wdev(wil);
723 wdev->preset_chandef = *chandef;
728 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
731 struct wireless_dev *wdev = wil_to_wdev(wil);
732 enum wmi_key_usage rc;
735 rc = WMI_KEY_USE_PAIRWISE;
737 switch (wdev->iftype) {
738 case NL80211_IFTYPE_STATION:
739 case NL80211_IFTYPE_P2P_CLIENT:
740 rc = WMI_KEY_USE_RX_GROUP;
742 case NL80211_IFTYPE_AP:
743 case NL80211_IFTYPE_P2P_GO:
744 rc = WMI_KEY_USE_TX_GROUP;
747 /* TODO: Rx GTK or Tx GTK? */
748 wil_err(wil, "Can't determine GTK type\n");
749 rc = WMI_KEY_USE_RX_GROUP;
753 wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]);
758 static struct wil_tid_crypto_rx_single *
759 wil_find_crypto_ctx(struct wil6210_priv *wil, u8 key_index,
760 enum wmi_key_usage key_usage, const u8 *mac_addr)
764 struct wil_sta_info *s;
765 struct wil_tid_crypto_rx *c;
767 if (key_usage == WMI_KEY_USE_TX_GROUP)
768 return NULL; /* not needed */
770 /* supplicant provides Rx group key in STA mode with NULL MAC address */
772 cid = wil_find_cid(wil, mac_addr);
773 else if (key_usage == WMI_KEY_USE_RX_GROUP)
774 cid = wil_find_cid_by_idx(wil, 0);
776 wil_err(wil, "No CID for %pM %s[%d]\n", mac_addr,
777 key_usage_str[key_usage], key_index);
782 if (key_usage == WMI_KEY_USE_PAIRWISE)
783 c = &s->tid_crypto_rx[tid];
785 c = &s->group_crypto_rx;
787 return &c->key_id[key_index];
790 static int wil_cfg80211_add_key(struct wiphy *wiphy,
791 struct net_device *ndev,
792 u8 key_index, bool pairwise,
794 struct key_params *params)
797 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
798 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
799 struct wil_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil,
804 wil_dbg_misc(wil, "%s(%pM %s[%d] PN %*phN)\n", __func__,
805 mac_addr, key_usage_str[key_usage], key_index,
806 params->seq_len, params->seq);
809 wil_err(wil, "Not connected, %s(%pM %s[%d] PN %*phN)\n",
810 __func__, mac_addr, key_usage_str[key_usage], key_index,
811 params->seq_len, params->seq);
818 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
820 "Wrong PN len %d, %s(%pM %s[%d] PN %*phN)\n",
821 params->seq_len, __func__, mac_addr,
822 key_usage_str[key_usage], key_index,
823 params->seq_len, params->seq);
827 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
828 params->key, key_usage);
829 if ((rc == 0) && cc) {
831 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
833 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
840 static int wil_cfg80211_del_key(struct wiphy *wiphy,
841 struct net_device *ndev,
842 u8 key_index, bool pairwise,
845 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
846 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
847 struct wil_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil,
852 wil_dbg_misc(wil, "%s(%pM %s[%d])\n", __func__, mac_addr,
853 key_usage_str[key_usage], key_index);
856 wil_info(wil, "Not connected, %s(%pM %s[%d])\n", __func__,
857 mac_addr, key_usage_str[key_usage], key_index);
859 if (!IS_ERR_OR_NULL(cc))
862 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
865 /* Need to be present or wiphy_new() will WARN */
866 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
867 struct net_device *ndev,
868 u8 key_index, bool unicast,
871 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
873 wil_dbg_misc(wil, "%s: entered\n", __func__);
877 static int wil_remain_on_channel(struct wiphy *wiphy,
878 struct wireless_dev *wdev,
879 struct ieee80211_channel *chan,
880 unsigned int duration,
883 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
886 wil_dbg_misc(wil, "%s() center_freq=%d, duration=%d iftype=%d\n",
887 __func__, chan->center_freq, duration, wdev->iftype);
889 rc = wil_p2p_listen(wil, duration, chan, cookie);
893 wil->radio_wdev = wdev;
895 cfg80211_ready_on_channel(wdev, *cookie, chan, duration,
901 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
902 struct wireless_dev *wdev,
905 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
907 wil_dbg_misc(wil, "%s()\n", __func__);
909 return wil_p2p_cancel_listen(wil, cookie);
913 * find a specific IE in a list of IEs
914 * return a pointer to the beginning of IE in the list
915 * or NULL if not found
917 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
920 struct ieee80211_vendor_ie *vie;
923 /* IE tag at offset 0, length at offset 1 */
924 if (ie_len < 2 || 2 + ie[1] > ie_len)
927 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
928 return cfg80211_find_ie(ie[0], ies, ies_len);
930 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
933 vie = (struct ieee80211_vendor_ie *)ie;
934 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
935 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
940 * merge the IEs in two lists into a single list.
941 * do not include IEs from the second list which exist in the first list.
942 * add only vendor specific IEs from second list to keep
943 * the merged list sorted (since vendor-specific IE has the
944 * highest tag number)
945 * caller must free the allocated memory for merged IEs
947 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
948 const u8 *ies2, u16 ies2_len,
949 u8 **merged_ies, u16 *merged_len)
954 if (ies1_len == 0 && ies2_len == 0) {
960 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
963 memcpy(buf, ies1, ies1_len);
964 dpos = buf + ies1_len;
966 while (spos + 1 < ies2 + ies2_len) {
967 /* IE tag at offset 0, length at offset 1 */
968 u16 ielen = 2 + spos[1];
970 if (spos + ielen > ies2 + ies2_len)
972 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
973 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
974 memcpy(dpos, spos, ielen);
981 *merged_len = dpos - buf;
985 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
987 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET,
988 b->head, b->head_len);
989 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET,
990 b->tail, b->tail_len);
991 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET,
992 b->beacon_ies, b->beacon_ies_len);
993 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET,
994 b->probe_resp, b->probe_resp_len);
995 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
996 b->proberesp_ies, b->proberesp_ies_len);
997 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
998 b->assocresp_ies, b->assocresp_ies_len);
1001 /* internal functions for device reset and starting AP */
1002 static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
1003 struct cfg80211_beacon_data *bcon)
1006 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1007 u16 len = 0, proberesp_len = 0;
1008 u8 *ies = NULL, *proberesp = NULL;
1010 if (bcon->probe_resp) {
1011 struct ieee80211_mgmt *f =
1012 (struct ieee80211_mgmt *)bcon->probe_resp;
1013 size_t hlen = offsetof(struct ieee80211_mgmt,
1014 u.probe_resp.variable);
1015 proberesp = f->u.probe_resp.variable;
1016 proberesp_len = bcon->probe_resp_len - hlen;
1018 rc = _wil_cfg80211_merge_extra_ies(proberesp,
1020 bcon->proberesp_ies,
1021 bcon->proberesp_ies_len,
1027 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies);
1031 if (bcon->assocresp_ies)
1032 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
1033 bcon->assocresp_ies_len, bcon->assocresp_ies);
1035 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies);
1036 #if 0 /* to use beacon IE's, remove this #if 0 */
1040 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
1047 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1048 struct net_device *ndev,
1049 const u8 *ssid, size_t ssid_len, u32 privacy,
1051 struct cfg80211_beacon_data *bcon,
1052 u8 hidden_ssid, u32 pbss)
1054 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1056 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1057 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1058 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1061 wmi_nettype = WMI_NETTYPE_P2P;
1063 wil_dbg_misc(wil, "%s: is_go=%d\n", __func__, is_go);
1064 if (is_go && !pbss) {
1065 wil_err(wil, "%s: P2P GO must be in PBSS\n", __func__);
1069 wil_set_recovery_state(wil, fw_recovery_idle);
1071 mutex_lock(&wil->mutex);
1078 rc = wmi_set_ssid(wil, ssid_len, ssid);
1082 rc = _wil_cfg80211_set_ies(wiphy, bcon);
1086 wil->privacy = privacy;
1087 wil->channel = chan;
1088 wil->hidden_ssid = hidden_ssid;
1091 netif_carrier_on(ndev);
1093 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go);
1097 rc = wil_bcast_init(wil);
1101 goto out; /* success */
1106 netif_carrier_off(ndev);
1108 mutex_unlock(&wil->mutex);
1112 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
1113 struct net_device *ndev,
1114 struct cfg80211_beacon_data *bcon)
1116 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1120 wil_dbg_misc(wil, "%s()\n", __func__);
1121 wil_print_bcon_data(bcon);
1124 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
1128 /* in case privacy has changed, need to restart the AP */
1129 if (wil->privacy != privacy) {
1130 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1132 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
1133 wil->privacy, privacy);
1135 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
1136 wdev->ssid_len, privacy,
1137 wdev->beacon_interval,
1142 rc = _wil_cfg80211_set_ies(wiphy, bcon);
1148 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
1149 struct net_device *ndev,
1150 struct cfg80211_ap_settings *info)
1153 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1154 struct ieee80211_channel *channel = info->chandef.chan;
1155 struct cfg80211_beacon_data *bcon = &info->beacon;
1156 struct cfg80211_crypto_settings *crypto = &info->crypto;
1159 wil_dbg_misc(wil, "%s()\n", __func__);
1162 wil_err(wil, "AP: No channel???\n");
1166 switch (info->hidden_ssid) {
1167 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1168 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
1171 case NL80211_HIDDEN_SSID_ZERO_LEN:
1172 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
1175 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1176 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
1180 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
1183 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
1184 channel->center_freq, info->privacy ? "secure" : "open");
1185 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
1186 info->privacy, info->auth_type);
1187 wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
1189 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
1191 wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
1192 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
1193 info->ssid, info->ssid_len);
1194 wil_print_bcon_data(bcon);
1195 wil_print_crypto(wil, crypto);
1197 rc = _wil_cfg80211_start_ap(wiphy, ndev,
1198 info->ssid, info->ssid_len, info->privacy,
1199 info->beacon_interval, channel->hw_value,
1200 bcon, hidden_ssid, info->pbss);
1205 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
1206 struct net_device *ndev)
1208 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1210 wil_dbg_misc(wil, "%s()\n", __func__);
1212 netif_carrier_off(ndev);
1213 wil_set_recovery_state(wil, fw_recovery_idle);
1215 mutex_lock(&wil->mutex);
1221 mutex_unlock(&wil->mutex);
1226 static int wil_cfg80211_del_station(struct wiphy *wiphy,
1227 struct net_device *dev,
1228 struct station_del_parameters *params)
1230 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1232 wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac,
1233 params->reason_code);
1235 mutex_lock(&wil->mutex);
1236 wil6210_disconnect(wil, params->mac, params->reason_code, false);
1237 mutex_unlock(&wil->mutex);
1242 /* probe_client handling */
1243 static void wil_probe_client_handle(struct wil6210_priv *wil,
1244 struct wil_probe_client_req *req)
1246 struct net_device *ndev = wil_to_ndev(wil);
1247 struct wil_sta_info *sta = &wil->sta[req->cid];
1248 /* assume STA is alive if it is still connected,
1249 * else FW will disconnect it
1251 bool alive = (sta->status == wil_sta_connected);
1253 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
1256 static struct list_head *next_probe_client(struct wil6210_priv *wil)
1258 struct list_head *ret = NULL;
1260 mutex_lock(&wil->probe_client_mutex);
1262 if (!list_empty(&wil->probe_client_pending)) {
1263 ret = wil->probe_client_pending.next;
1267 mutex_unlock(&wil->probe_client_mutex);
1272 void wil_probe_client_worker(struct work_struct *work)
1274 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1275 probe_client_worker);
1276 struct wil_probe_client_req *req;
1277 struct list_head *lh;
1279 while ((lh = next_probe_client(wil)) != NULL) {
1280 req = list_entry(lh, struct wil_probe_client_req, list);
1282 wil_probe_client_handle(wil, req);
1287 void wil_probe_client_flush(struct wil6210_priv *wil)
1289 struct wil_probe_client_req *req, *t;
1291 wil_dbg_misc(wil, "%s()\n", __func__);
1293 mutex_lock(&wil->probe_client_mutex);
1295 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) {
1296 list_del(&req->list);
1300 mutex_unlock(&wil->probe_client_mutex);
1303 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
1304 struct net_device *dev,
1305 const u8 *peer, u64 *cookie)
1307 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1308 struct wil_probe_client_req *req;
1309 int cid = wil_find_cid(wil, peer);
1311 wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid);
1316 req = kzalloc(sizeof(*req), GFP_KERNEL);
1323 mutex_lock(&wil->probe_client_mutex);
1324 list_add_tail(&req->list, &wil->probe_client_pending);
1325 mutex_unlock(&wil->probe_client_mutex);
1327 *cookie = req->cookie;
1328 queue_work(wil->wq_service, &wil->probe_client_worker);
1332 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
1333 struct net_device *dev,
1334 struct bss_parameters *params)
1336 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1338 if (params->ap_isolate >= 0) {
1339 wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__,
1340 wil->ap_isolate, params->ap_isolate);
1341 wil->ap_isolate = params->ap_isolate;
1347 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
1348 struct wireless_dev *wdev)
1350 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1352 wil_dbg_misc(wil, "%s: entered\n", __func__);
1356 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
1357 struct wireless_dev *wdev)
1359 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1361 wil_dbg_misc(wil, "%s: entered\n", __func__);
1364 static struct cfg80211_ops wil_cfg80211_ops = {
1365 .add_virtual_intf = wil_cfg80211_add_iface,
1366 .del_virtual_intf = wil_cfg80211_del_iface,
1367 .scan = wil_cfg80211_scan,
1368 .connect = wil_cfg80211_connect,
1369 .disconnect = wil_cfg80211_disconnect,
1370 .change_virtual_intf = wil_cfg80211_change_iface,
1371 .get_station = wil_cfg80211_get_station,
1372 .dump_station = wil_cfg80211_dump_station,
1373 .remain_on_channel = wil_remain_on_channel,
1374 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
1375 .mgmt_tx = wil_cfg80211_mgmt_tx,
1376 .set_monitor_channel = wil_cfg80211_set_channel,
1377 .add_key = wil_cfg80211_add_key,
1378 .del_key = wil_cfg80211_del_key,
1379 .set_default_key = wil_cfg80211_set_default_key,
1381 .change_beacon = wil_cfg80211_change_beacon,
1382 .start_ap = wil_cfg80211_start_ap,
1383 .stop_ap = wil_cfg80211_stop_ap,
1384 .del_station = wil_cfg80211_del_station,
1385 .probe_client = wil_cfg80211_probe_client,
1386 .change_bss = wil_cfg80211_change_bss,
1388 .start_p2p_device = wil_cfg80211_start_p2p_device,
1389 .stop_p2p_device = wil_cfg80211_stop_p2p_device,
1392 static void wil_wiphy_init(struct wiphy *wiphy)
1394 wiphy->max_scan_ssids = 1;
1395 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
1396 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
1397 wiphy->max_num_pmkids = 0 /* TODO: */;
1398 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1399 BIT(NL80211_IFTYPE_AP) |
1400 BIT(NL80211_IFTYPE_P2P_CLIENT) |
1401 BIT(NL80211_IFTYPE_P2P_GO) |
1402 BIT(NL80211_IFTYPE_P2P_DEVICE) |
1403 BIT(NL80211_IFTYPE_MONITOR);
1404 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1405 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
1406 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1407 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
1408 __func__, wiphy->flags);
1409 wiphy->probe_resp_offload =
1410 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1411 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1412 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
1414 wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
1416 /* TODO: figure this out */
1417 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
1419 wiphy->cipher_suites = wil_cipher_suites;
1420 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
1421 wiphy->mgmt_stypes = wil_mgmt_stypes;
1422 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
1425 struct wireless_dev *wil_cfg80211_init(struct device *dev)
1428 struct wireless_dev *wdev;
1430 dev_dbg(dev, "%s()\n", __func__);
1432 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
1434 return ERR_PTR(-ENOMEM);
1436 wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
1437 sizeof(struct wil6210_priv));
1443 set_wiphy_dev(wdev->wiphy, dev);
1444 wil_wiphy_init(wdev->wiphy);
1446 rc = wiphy_register(wdev->wiphy);
1448 goto out_failed_reg;
1453 wiphy_free(wdev->wiphy);
1460 void wil_wdev_free(struct wil6210_priv *wil)
1462 struct wireless_dev *wdev = wil_to_wdev(wil);
1464 dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
1469 wiphy_unregister(wdev->wiphy);
1470 wiphy_free(wdev->wiphy);
1474 void wil_p2p_wdev_free(struct wil6210_priv *wil)
1476 struct wireless_dev *p2p_wdev;
1478 mutex_lock(&wil->p2p_wdev_mutex);
1479 p2p_wdev = wil->p2p_wdev;
1481 wil->p2p_wdev = NULL;
1482 wil->radio_wdev = wil_to_wdev(wil);
1483 cfg80211_unregister_wdev(p2p_wdev);
1486 mutex_unlock(&wil->p2p_wdev_mutex);