1 /*
2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <linux/etherdevice.h>
19 #include <linux/moduleparam.h>
20 #include <net/netlink.h>
21 #include <net/cfg80211.h>
22 #include "wil6210.h"
23 #include "wmi.h"
24 #include "fw.h"
25
26 #define WIL_MAX_ROC_DURATION_MS 5000
27
28 bool disable_ap_sme;
29 module_param(disable_ap_sme, bool, 0444);
30 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
31
32 #ifdef CONFIG_PM
33 static struct wiphy_wowlan_support wil_wowlan_support = {
34 .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
35 };
36 #endif
37
38 #define CHAN60G(_channel, _flags) { \
39 .band = NL80211_BAND_60GHZ, \
40 .center_freq = 56160 + (2160 * (_channel)), \
41 .hw_value = (_channel), \
42 .flags = (_flags), \
43 .max_antenna_gain = 0, \
44 .max_power = 40, \
45 }
46
47 static struct ieee80211_channel wil_60ghz_channels[] = {
48 CHAN60G(1, 0),
49 CHAN60G(2, 0),
50 CHAN60G(3, 0),
51 /* channel 4 not supported yet */
52 };
53
54 /* Vendor id to be used in vendor specific command and events
55 * to user space.
56 * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
57 * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
58 * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
59 * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
60 */
61
62 #define QCA_NL80211_VENDOR_ID 0x001374
63
64 #define WIL_MAX_RF_SECTORS (128)
65 #define WIL_CID_ALL (0xff)
66
67 enum qca_wlan_vendor_attr_rf_sector {
68 QCA_ATTR_MAC_ADDR = 6,
69 QCA_ATTR_PAD = 13,
70 QCA_ATTR_TSF = 29,
71 QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
72 QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
73 QCA_ATTR_DMG_RF_MODULE_MASK = 32,
74 QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
75 QCA_ATTR_DMG_RF_SECTOR_MAX,
76 };
77
78 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
79 QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
80 QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
81 QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
82 };
83
84 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
85 QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
86 QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
87 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
88 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
89 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
90 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
91 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
92 QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
93
94 /* keep last */
95 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
96 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
97 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
98 };
99
100 static const struct
101 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
102 [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
103 [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
104 [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
105 [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
106 [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
107 };
108
109 static const struct
110 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
111 [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
112 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
113 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
114 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
115 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
116 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
117 [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
118 };
119
120 enum qca_nl80211_vendor_subcmds {
121 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
122 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
123 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
124 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
125 };
126
127 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
128 struct wireless_dev *wdev,
129 const void *data, int data_len);
130 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
131 struct wireless_dev *wdev,
132 const void *data, int data_len);
133 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
134 struct wireless_dev *wdev,
135 const void *data, int data_len);
136 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
137 struct wireless_dev *wdev,
138 const void *data, int data_len);
139
140 /* vendor specific commands */
141 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
142 {
143 .info.vendor_id = QCA_NL80211_VENDOR_ID,
144 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
145 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
146 WIPHY_VENDOR_CMD_NEED_RUNNING,
147 .doit = wil_rf_sector_get_cfg
148 },
149 {
150 .info.vendor_id = QCA_NL80211_VENDOR_ID,
151 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
152 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
153 WIPHY_VENDOR_CMD_NEED_RUNNING,
154 .doit = wil_rf_sector_set_cfg
155 },
156 {
157 .info.vendor_id = QCA_NL80211_VENDOR_ID,
158 .info.subcmd =
159 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
160 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
161 WIPHY_VENDOR_CMD_NEED_RUNNING,
162 .doit = wil_rf_sector_get_selected
163 },
164 {
165 .info.vendor_id = QCA_NL80211_VENDOR_ID,
166 .info.subcmd =
167 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
168 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
169 WIPHY_VENDOR_CMD_NEED_RUNNING,
170 .doit = wil_rf_sector_set_selected
171 },
172 };
173
174 static struct ieee80211_supported_band wil_band_60ghz = {
175 .channels = wil_60ghz_channels,
176 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
177 .ht_cap = {
178 .ht_supported = true,
179 .cap = 0, /* TODO */
180 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
181 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
182 .mcs = {
183 /* MCS 1..12 - SC PHY */
184 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
185 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
186 },
187 },
188 };
189
190 static const struct ieee80211_txrx_stypes
191 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
192 [NL80211_IFTYPE_STATION] = {
193 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
194 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
195 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
196 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
197 },
198 [NL80211_IFTYPE_AP] = {
199 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
200 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
201 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
202 BIT(IEEE80211_STYPE_DISASSOC >> 4),
203 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
204 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
205 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
206 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
207 BIT(IEEE80211_STYPE_AUTH >> 4) |
208 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
209 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
210 },
211 [NL80211_IFTYPE_P2P_CLIENT] = {
212 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
213 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
214 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
215 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
216 },
217 [NL80211_IFTYPE_P2P_GO] = {
218 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
219 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
220 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
221 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
222 },
223 [NL80211_IFTYPE_P2P_DEVICE] = {
224 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
225 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
226 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
227 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
228 },
229 };
230
231 static const u32 wil_cipher_suites[] = {
232 WLAN_CIPHER_SUITE_GCMP,
233 };
234
235 static const char * const key_usage_str[] = {
236 [WMI_KEY_USE_PAIRWISE] = "PTK",
237 [WMI_KEY_USE_RX_GROUP] = "RX_GTK",
238 [WMI_KEY_USE_TX_GROUP] = "TX_GTK",
239 };
240
wil_iftype_nl2wmi(enum nl80211_iftype type)241 int wil_iftype_nl2wmi(enum nl80211_iftype type)
242 {
243 static const struct {
244 enum nl80211_iftype nl;
245 enum wmi_network_type wmi;
246 } __nl2wmi[] = {
247 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
248 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
249 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
250 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
251 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
252 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
253 };
254 uint i;
255
256 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
257 if (__nl2wmi[i].nl == type)
258 return __nl2wmi[i].wmi;
259 }
260
261 return -EOPNOTSUPP;
262 }
263
wil_cid_fill_sinfo(struct wil6210_vif * vif,int cid,struct station_info * sinfo)264 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
265 struct station_info *sinfo)
266 {
267 struct wil6210_priv *wil = vif_to_wil(vif);
268 struct wmi_notify_req_cmd cmd = {
269 .cid = cid,
270 .interval_usec = 0,
271 };
272 struct {
273 struct wmi_cmd_hdr wmi;
274 struct wmi_notify_req_done_event evt;
275 } __packed reply;
276 struct wil_net_stats *stats = &wil->sta[cid].stats;
277 int rc;
278
279 memset(&reply, 0, sizeof(reply));
280
281 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
282 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
283 if (rc)
284 return rc;
285
286 wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
287 " MCS %d TSF 0x%016llx\n"
288 " BF status 0x%08x RSSI %d SQI %d%%\n"
289 " Tx Tpt %d goodput %d Rx goodput %d\n"
290 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
291 cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
292 le64_to_cpu(reply.evt.tsf), reply.evt.status,
293 reply.evt.rssi,
294 reply.evt.sqi,
295 le32_to_cpu(reply.evt.tx_tpt),
296 le32_to_cpu(reply.evt.tx_goodput),
297 le32_to_cpu(reply.evt.rx_goodput),
298 le16_to_cpu(reply.evt.my_rx_sector),
299 le16_to_cpu(reply.evt.my_tx_sector),
300 le16_to_cpu(reply.evt.other_rx_sector),
301 le16_to_cpu(reply.evt.other_tx_sector));
302
303 sinfo->generation = wil->sinfo_gen;
304
305 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
306 BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
307 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
308 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
309 BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
310 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
311 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
312 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
313
314 sinfo->txrate.flags = RATE_INFO_FLAGS_60G;
315 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
316 sinfo->rxrate.mcs = stats->last_mcs_rx;
317 sinfo->rx_bytes = stats->rx_bytes;
318 sinfo->rx_packets = stats->rx_packets;
319 sinfo->rx_dropped_misc = stats->rx_dropped;
320 sinfo->tx_bytes = stats->tx_bytes;
321 sinfo->tx_packets = stats->tx_packets;
322 sinfo->tx_failed = stats->tx_errors;
323
324 if (test_bit(wil_vif_fwconnected, vif->status)) {
325 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
326 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
327 wil->fw_capabilities))
328 sinfo->signal = reply.evt.rssi;
329 else
330 sinfo->signal = reply.evt.sqi;
331 }
332
333 return rc;
334 }
335
wil_cfg80211_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)336 static int wil_cfg80211_get_station(struct wiphy *wiphy,
337 struct net_device *ndev,
338 const u8 *mac, struct station_info *sinfo)
339 {
340 struct wil6210_vif *vif = ndev_to_vif(ndev);
341 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
342 int rc;
343
344 int cid = wil_find_cid(wil, vif->mid, mac);
345
346 wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
347 vif->mid);
348 if (cid < 0)
349 return cid;
350
351 rc = wil_cid_fill_sinfo(vif, cid, sinfo);
352
353 return rc;
354 }
355
356 /*
357 * Find @idx-th active STA for specific MID for station dump.
358 */
wil_find_cid_by_idx(struct wil6210_priv * wil,u8 mid,int idx)359 static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
360 {
361 int i;
362
363 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
364 if (wil->sta[i].status == wil_sta_unused)
365 continue;
366 if (wil->sta[i].mid != mid)
367 continue;
368 if (idx == 0)
369 return i;
370 idx--;
371 }
372
373 return -ENOENT;
374 }
375
wil_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)376 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
377 struct net_device *dev, int idx,
378 u8 *mac, struct station_info *sinfo)
379 {
380 struct wil6210_vif *vif = ndev_to_vif(dev);
381 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
382 int rc;
383 int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
384
385 if (cid < 0)
386 return -ENOENT;
387
388 ether_addr_copy(mac, wil->sta[cid].addr);
389 wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
390 vif->mid);
391
392 rc = wil_cid_fill_sinfo(vif, cid, sinfo);
393
394 return rc;
395 }
396
wil_cfg80211_start_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)397 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
398 struct wireless_dev *wdev)
399 {
400 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
401
402 wil_dbg_misc(wil, "start_p2p_device: entered\n");
403 wil->p2p_dev_started = 1;
404 return 0;
405 }
406
wil_cfg80211_stop_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)407 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
408 struct wireless_dev *wdev)
409 {
410 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
411
412 if (!wil->p2p_dev_started)
413 return;
414
415 wil_dbg_misc(wil, "stop_p2p_device: entered\n");
416 mutex_lock(&wil->mutex);
417 mutex_lock(&wil->vif_mutex);
418 wil_p2p_stop_radio_operations(wil);
419 wil->p2p_dev_started = 0;
420 mutex_unlock(&wil->vif_mutex);
421 mutex_unlock(&wil->mutex);
422 }
423
wil_cfg80211_validate_add_iface(struct wil6210_priv * wil,enum nl80211_iftype new_type)424 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
425 enum nl80211_iftype new_type)
426 {
427 int i;
428 struct wireless_dev *wdev;
429 struct iface_combination_params params = {
430 .num_different_channels = 1,
431 };
432
433 for (i = 0; i < wil->max_vifs; i++) {
434 if (wil->vifs[i]) {
435 wdev = vif_to_wdev(wil->vifs[i]);
436 params.iftype_num[wdev->iftype]++;
437 }
438 }
439 params.iftype_num[new_type]++;
440 return cfg80211_check_combinations(wil->wiphy, ¶ms);
441 }
442
wil_cfg80211_validate_change_iface(struct wil6210_priv * wil,struct wil6210_vif * vif,enum nl80211_iftype new_type)443 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
444 struct wil6210_vif *vif,
445 enum nl80211_iftype new_type)
446 {
447 int i, ret = 0;
448 struct wireless_dev *wdev;
449 struct iface_combination_params params = {
450 .num_different_channels = 1,
451 };
452 bool check_combos = false;
453
454 for (i = 0; i < wil->max_vifs; i++) {
455 struct wil6210_vif *vif_pos = wil->vifs[i];
456
457 if (vif_pos && vif != vif_pos) {
458 wdev = vif_to_wdev(vif_pos);
459 params.iftype_num[wdev->iftype]++;
460 check_combos = true;
461 }
462 }
463
464 if (check_combos) {
465 params.iftype_num[new_type]++;
466 ret = cfg80211_check_combinations(wil->wiphy, ¶ms);
467 }
468 return ret;
469 }
470
471 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)472 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
473 unsigned char name_assign_type,
474 enum nl80211_iftype type,
475 struct vif_params *params)
476 {
477 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
478 struct net_device *ndev_main = wil->main_ndev, *ndev;
479 struct wil6210_vif *vif;
480 struct wireless_dev *p2p_wdev, *wdev;
481 int rc;
482
483 wil_dbg_misc(wil, "add_iface, type %d\n", type);
484
485 /* P2P device is not a real virtual interface, it is a management-only
486 * interface that shares the main interface.
487 * Skip concurrency checks here.
488 */
489 if (type == NL80211_IFTYPE_P2P_DEVICE) {
490 if (wil->p2p_wdev) {
491 wil_err(wil, "P2P_DEVICE interface already created\n");
492 return ERR_PTR(-EINVAL);
493 }
494
495 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
496 if (!p2p_wdev)
497 return ERR_PTR(-ENOMEM);
498
499 p2p_wdev->iftype = type;
500 p2p_wdev->wiphy = wiphy;
501 /* use our primary ethernet address */
502 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
503
504 wil->p2p_wdev = p2p_wdev;
505
506 return p2p_wdev;
507 }
508
509 if (!wil->wiphy->n_iface_combinations) {
510 wil_err(wil, "virtual interfaces not supported\n");
511 return ERR_PTR(-EINVAL);
512 }
513
514 rc = wil_cfg80211_validate_add_iface(wil, type);
515 if (rc) {
516 wil_err(wil, "iface validation failed, err=%d\n", rc);
517 return ERR_PTR(rc);
518 }
519
520 vif = wil_vif_alloc(wil, name, name_assign_type, type);
521 if (IS_ERR(vif))
522 return ERR_CAST(vif);
523
524 ndev = vif_to_ndev(vif);
525 ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
526 if (is_valid_ether_addr(params->macaddr)) {
527 ether_addr_copy(ndev->dev_addr, params->macaddr);
528 } else {
529 ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr);
530 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) |
531 0x2; /* locally administered */
532 }
533 wdev = vif_to_wdev(vif);
534 ether_addr_copy(wdev->address, ndev->dev_addr);
535
536 rc = wil_vif_add(wil, vif);
537 if (rc)
538 goto out;
539
540 wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
541 vif->mid, type, wdev->address);
542 return wdev;
543 out:
544 wil_vif_free(vif);
545 return ERR_PTR(rc);
546 }
547
wil_vif_prepare_stop(struct wil6210_vif * vif)548 int wil_vif_prepare_stop(struct wil6210_vif *vif)
549 {
550 struct wil6210_priv *wil = vif_to_wil(vif);
551 struct wireless_dev *wdev = vif_to_wdev(vif);
552 struct net_device *ndev;
553 int rc;
554
555 if (wdev->iftype != NL80211_IFTYPE_AP)
556 return 0;
557
558 ndev = vif_to_ndev(vif);
559 if (netif_carrier_ok(ndev)) {
560 rc = wmi_pcp_stop(vif);
561 if (rc) {
562 wil_info(wil, "failed to stop AP, status %d\n",
563 rc);
564 /* continue */
565 }
566 wil_bcast_fini(vif);
567 netif_carrier_off(ndev);
568 }
569
570 return 0;
571 }
572
wil_cfg80211_del_iface(struct wiphy * wiphy,struct wireless_dev * wdev)573 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
574 struct wireless_dev *wdev)
575 {
576 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
577 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
578 int rc;
579
580 wil_dbg_misc(wil, "del_iface\n");
581
582 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
583 if (wdev != wil->p2p_wdev) {
584 wil_err(wil, "delete of incorrect interface 0x%p\n",
585 wdev);
586 return -EINVAL;
587 }
588
589 wil_cfg80211_stop_p2p_device(wiphy, wdev);
590 wil_p2p_wdev_free(wil);
591 return 0;
592 }
593
594 if (vif->mid == 0) {
595 wil_err(wil, "cannot remove the main interface\n");
596 return -EINVAL;
597 }
598
599 rc = wil_vif_prepare_stop(vif);
600 if (rc)
601 goto out;
602
603 wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
604 vif->mid, wdev->iftype, wdev->address);
605
606 wil_vif_remove(wil, vif->mid);
607 out:
608 return rc;
609 }
610
wil_cfg80211_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)611 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
612 struct net_device *ndev,
613 enum nl80211_iftype type,
614 struct vif_params *params)
615 {
616 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
617 struct wil6210_vif *vif = ndev_to_vif(ndev);
618 struct wireless_dev *wdev = vif_to_wdev(vif);
619 int rc;
620 bool fw_reset = false;
621
622 wil_dbg_misc(wil, "change_iface: type=%d\n", type);
623
624 if (wiphy->n_iface_combinations) {
625 rc = wil_cfg80211_validate_change_iface(wil, vif, type);
626 if (rc) {
627 wil_err(wil, "iface validation failed, err=%d\n", rc);
628 return rc;
629 }
630 }
631
632 /* do not reset FW when there are active VIFs,
633 * because it can cause significant disruption
634 */
635 if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
636 netif_running(ndev) && !wil_is_recovery_blocked(wil)) {
637 wil_dbg_misc(wil, "interface is up. resetting...\n");
638 mutex_lock(&wil->mutex);
639 __wil_down(wil);
640 rc = __wil_up(wil);
641 mutex_unlock(&wil->mutex);
642
643 if (rc)
644 return rc;
645 fw_reset = true;
646 }
647
648 switch (type) {
649 case NL80211_IFTYPE_STATION:
650 case NL80211_IFTYPE_AP:
651 case NL80211_IFTYPE_P2P_CLIENT:
652 case NL80211_IFTYPE_P2P_GO:
653 break;
654 case NL80211_IFTYPE_MONITOR:
655 if (params->flags)
656 wil->monitor_flags = params->flags;
657 break;
658 default:
659 return -EOPNOTSUPP;
660 }
661
662 if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
663 if (!fw_reset)
664 wil_vif_prepare_stop(vif);
665 rc = wmi_port_delete(wil, vif->mid);
666 if (rc)
667 return rc;
668 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
669 if (rc)
670 return rc;
671 }
672
673 wdev->iftype = type;
674 return 0;
675 }
676
wil_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)677 static int wil_cfg80211_scan(struct wiphy *wiphy,
678 struct cfg80211_scan_request *request)
679 {
680 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
681 struct wireless_dev *wdev = request->wdev;
682 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
683 struct {
684 struct wmi_start_scan_cmd cmd;
685 u16 chnl[4];
686 } __packed cmd;
687 uint i, n;
688 int rc;
689
690 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
691
692 /* scan is supported on client interfaces and on AP interface */
693 switch (wdev->iftype) {
694 case NL80211_IFTYPE_STATION:
695 case NL80211_IFTYPE_P2P_CLIENT:
696 case NL80211_IFTYPE_P2P_DEVICE:
697 case NL80211_IFTYPE_AP:
698 break;
699 default:
700 return -EOPNOTSUPP;
701 }
702
703 /* FW don't support scan after connection attempt */
704 if (test_bit(wil_status_dontscan, wil->status)) {
705 wil_err(wil, "Can't scan now\n");
706 return -EBUSY;
707 }
708
709 mutex_lock(&wil->mutex);
710
711 mutex_lock(&wil->vif_mutex);
712 if (vif->scan_request || vif->p2p.discovery_started) {
713 wil_err(wil, "Already scanning\n");
714 mutex_unlock(&wil->vif_mutex);
715 rc = -EAGAIN;
716 goto out;
717 }
718 mutex_unlock(&wil->vif_mutex);
719
720 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
721 if (!wil->p2p_dev_started) {
722 wil_err(wil, "P2P search requested on stopped P2P device\n");
723 rc = -EIO;
724 goto out;
725 }
726 /* social scan on P2P_DEVICE is handled as p2p search */
727 if (wil_p2p_is_social_scan(request)) {
728 vif->scan_request = request;
729 if (vif->mid == 0)
730 wil->radio_wdev = wdev;
731 rc = wil_p2p_search(vif, request);
732 if (rc) {
733 if (vif->mid == 0)
734 wil->radio_wdev =
735 wil->main_ndev->ieee80211_ptr;
736 vif->scan_request = NULL;
737 }
738 goto out;
739 }
740 }
741
742 (void)wil_p2p_stop_discovery(vif);
743
744 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
745 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
746
747 for (i = 0; i < request->n_ssids; i++) {
748 wil_dbg_misc(wil, "SSID[%d]", i);
749 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
750 request->ssids[i].ssid,
751 request->ssids[i].ssid_len, true);
752 }
753
754 if (request->n_ssids)
755 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
756 request->ssids[0].ssid);
757 else
758 rc = wmi_set_ssid(vif, 0, NULL);
759
760 if (rc) {
761 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
762 goto out;
763 }
764
765 vif->scan_request = request;
766 mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
767
768 memset(&cmd, 0, sizeof(cmd));
769 cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
770 cmd.cmd.num_channels = 0;
771 n = min(request->n_channels, 4U);
772 for (i = 0; i < n; i++) {
773 int ch = request->channels[i]->hw_value;
774
775 if (ch == 0) {
776 wil_err(wil,
777 "Scan requested for unknown frequency %dMhz\n",
778 request->channels[i]->center_freq);
779 continue;
780 }
781 /* 0-based channel indexes */
782 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
783 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
784 request->channels[i]->center_freq);
785 }
786
787 if (request->ie_len)
788 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
789 request->ie, request->ie_len, true);
790 else
791 wil_dbg_misc(wil, "Scan has no IE's\n");
792
793 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
794 request->ie_len, request->ie);
795 if (rc)
796 goto out_restore;
797
798 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
799 cmd.cmd.discovery_mode = 1;
800 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
801 }
802
803 if (vif->mid == 0)
804 wil->radio_wdev = wdev;
805 rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
806 &cmd, sizeof(cmd.cmd) +
807 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
808
809 out_restore:
810 if (rc) {
811 del_timer_sync(&vif->scan_timer);
812 if (vif->mid == 0)
813 wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
814 vif->scan_request = NULL;
815 }
816 out:
817 mutex_unlock(&wil->mutex);
818 return rc;
819 }
820
wil_cfg80211_abort_scan(struct wiphy * wiphy,struct wireless_dev * wdev)821 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
822 struct wireless_dev *wdev)
823 {
824 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
825 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
826
827 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
828
829 mutex_lock(&wil->mutex);
830 mutex_lock(&wil->vif_mutex);
831
832 if (!vif->scan_request)
833 goto out;
834
835 if (wdev != vif->scan_request->wdev) {
836 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
837 goto out;
838 }
839
840 if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
841 wil_p2p_stop_radio_operations(wil);
842 else
843 wil_abort_scan(vif, true);
844
845 out:
846 mutex_unlock(&wil->vif_mutex);
847 mutex_unlock(&wil->mutex);
848 }
849
wil_print_crypto(struct wil6210_priv * wil,struct cfg80211_crypto_settings * c)850 static void wil_print_crypto(struct wil6210_priv *wil,
851 struct cfg80211_crypto_settings *c)
852 {
853 int i, n;
854
855 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
856 c->wpa_versions, c->cipher_group);
857 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
858 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
859 for (i = 0; i < n; i++)
860 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
861 c->ciphers_pairwise[i]);
862 wil_dbg_misc(wil, "}\n");
863 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
864 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
865 for (i = 0; i < n; i++)
866 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
867 c->akm_suites[i]);
868 wil_dbg_misc(wil, "}\n");
869 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
870 c->control_port, be16_to_cpu(c->control_port_ethertype),
871 c->control_port_no_encrypt);
872 }
873
wil_print_connect_params(struct wil6210_priv * wil,struct cfg80211_connect_params * sme)874 static void wil_print_connect_params(struct wil6210_priv *wil,
875 struct cfg80211_connect_params *sme)
876 {
877 wil_info(wil, "Connecting to:\n");
878 if (sme->channel) {
879 wil_info(wil, " Channel: %d freq %d\n",
880 sme->channel->hw_value, sme->channel->center_freq);
881 }
882 if (sme->bssid)
883 wil_info(wil, " BSSID: %pM\n", sme->bssid);
884 if (sme->ssid)
885 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
886 16, 1, sme->ssid, sme->ssid_len, true);
887 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
888 wil_info(wil, " PBSS: %d\n", sme->pbss);
889 wil_print_crypto(wil, &sme->crypto);
890 }
891
wil_cfg80211_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)892 static int wil_cfg80211_connect(struct wiphy *wiphy,
893 struct net_device *ndev,
894 struct cfg80211_connect_params *sme)
895 {
896 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
897 struct wil6210_vif *vif = ndev_to_vif(ndev);
898 struct cfg80211_bss *bss;
899 struct wmi_connect_cmd conn;
900 const u8 *ssid_eid;
901 const u8 *rsn_eid;
902 int ch;
903 int rc = 0;
904 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
905
906 wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
907 wil_print_connect_params(wil, sme);
908
909 if (test_bit(wil_vif_fwconnecting, vif->status) ||
910 test_bit(wil_vif_fwconnected, vif->status))
911 return -EALREADY;
912
913 if (sme->ie_len > WMI_MAX_IE_LEN) {
914 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
915 return -ERANGE;
916 }
917
918 rsn_eid = sme->ie ?
919 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
920 NULL;
921 if (sme->privacy && !rsn_eid)
922 wil_info(wil, "WSC connection\n");
923
924 if (sme->pbss)
925 bss_type = IEEE80211_BSS_TYPE_PBSS;
926
927 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
928 sme->ssid, sme->ssid_len,
929 bss_type, IEEE80211_PRIVACY_ANY);
930 if (!bss) {
931 wil_err(wil, "Unable to find BSS\n");
932 return -ENOENT;
933 }
934
935 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
936 if (!ssid_eid) {
937 wil_err(wil, "No SSID\n");
938 rc = -ENOENT;
939 goto out;
940 }
941 vif->privacy = sme->privacy;
942 vif->pbss = sme->pbss;
943
944 if (vif->privacy) {
945 /* For secure assoc, remove old keys */
946 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
947 WMI_KEY_USE_PAIRWISE);
948 if (rc) {
949 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
950 goto out;
951 }
952 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
953 WMI_KEY_USE_RX_GROUP);
954 if (rc) {
955 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
956 goto out;
957 }
958 }
959
960 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
961 * elements. Send it also in case it's empty, to erase previously set
962 * ies in FW.
963 */
964 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
965 if (rc)
966 goto out;
967
968 /* WMI_CONNECT_CMD */
969 memset(&conn, 0, sizeof(conn));
970 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
971 case WLAN_CAPABILITY_DMG_TYPE_AP:
972 conn.network_type = WMI_NETTYPE_INFRA;
973 break;
974 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
975 conn.network_type = WMI_NETTYPE_P2P;
976 break;
977 default:
978 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
979 bss->capability);
980 goto out;
981 }
982 if (vif->privacy) {
983 if (rsn_eid) { /* regular secure connection */
984 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
985 conn.auth_mode = WMI_AUTH_WPA2_PSK;
986 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
987 conn.pairwise_crypto_len = 16;
988 conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
989 conn.group_crypto_len = 16;
990 } else { /* WSC */
991 conn.dot11_auth_mode = WMI_AUTH11_WSC;
992 conn.auth_mode = WMI_AUTH_NONE;
993 }
994 } else { /* insecure connection */
995 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
996 conn.auth_mode = WMI_AUTH_NONE;
997 }
998
999 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1000 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1001
1002 ch = bss->channel->hw_value;
1003 if (ch == 0) {
1004 wil_err(wil, "BSS at unknown frequency %dMhz\n",
1005 bss->channel->center_freq);
1006 rc = -EOPNOTSUPP;
1007 goto out;
1008 }
1009 conn.channel = ch - 1;
1010
1011 ether_addr_copy(conn.bssid, bss->bssid);
1012 ether_addr_copy(conn.dst_mac, bss->bssid);
1013
1014 set_bit(wil_vif_fwconnecting, vif->status);
1015
1016 rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1017 if (rc == 0) {
1018 netif_carrier_on(ndev);
1019 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1020 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1021 vif->bss = bss;
1022 /* Connect can take lots of time */
1023 mod_timer(&vif->connect_timer,
1024 jiffies + msecs_to_jiffies(5000));
1025 } else {
1026 clear_bit(wil_vif_fwconnecting, vif->status);
1027 }
1028
1029 out:
1030 cfg80211_put_bss(wiphy, bss);
1031
1032 return rc;
1033 }
1034
wil_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1035 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1036 struct net_device *ndev,
1037 u16 reason_code)
1038 {
1039 int rc;
1040 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1041 struct wil6210_vif *vif = ndev_to_vif(ndev);
1042
1043 wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1044 reason_code, vif->mid);
1045
1046 if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1047 test_bit(wil_vif_fwconnected, vif->status))) {
1048 wil_err(wil, "Disconnect was called while disconnected\n");
1049 return 0;
1050 }
1051
1052 vif->locally_generated_disc = true;
1053 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1054 WMI_DISCONNECT_EVENTID, NULL, 0,
1055 WIL6210_DISCONNECT_TO_MS);
1056 if (rc)
1057 wil_err(wil, "disconnect error %d\n", rc);
1058
1059 return rc;
1060 }
1061
wil_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)1062 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1063 {
1064 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1065 int rc;
1066
1067 /* these parameters are explicitly not supported */
1068 if (changed & (WIPHY_PARAM_RETRY_LONG |
1069 WIPHY_PARAM_FRAG_THRESHOLD |
1070 WIPHY_PARAM_RTS_THRESHOLD))
1071 return -ENOTSUPP;
1072
1073 if (changed & WIPHY_PARAM_RETRY_SHORT) {
1074 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1075 if (rc)
1076 return rc;
1077 }
1078
1079 return 0;
1080 }
1081
wil_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)1082 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1083 struct cfg80211_mgmt_tx_params *params,
1084 u64 *cookie)
1085 {
1086 const u8 *buf = params->buf;
1087 size_t len = params->len;
1088 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1089 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1090 int rc;
1091 bool tx_status;
1092
1093 wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1094 params->chan ? params->chan->hw_value : -1,
1095 params->offchan,
1096 params->wait);
1097
1098 /* Note, currently we support the "wait" parameter only on AP mode.
1099 * In other modes, user-space must call remain_on_channel before
1100 * mgmt_tx or listen on a channel other than active one.
1101 */
1102
1103 if (params->chan && params->chan->hw_value == 0) {
1104 wil_err(wil, "invalid channel\n");
1105 return -EINVAL;
1106 }
1107
1108 if (wdev->iftype != NL80211_IFTYPE_AP) {
1109 wil_dbg_misc(wil,
1110 "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1111 rc = wmi_mgmt_tx(vif, buf, len);
1112 goto out;
1113 }
1114
1115 if (!params->chan || params->chan->hw_value == vif->channel) {
1116 wil_dbg_misc(wil,
1117 "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1118 rc = wmi_mgmt_tx(vif, buf, len);
1119 goto out;
1120 }
1121
1122 if (params->offchan == 0) {
1123 wil_err(wil,
1124 "invalid channel params: current %d requested %d, off-channel not allowed\n",
1125 vif->channel, params->chan->hw_value);
1126 return -EBUSY;
1127 }
1128
1129 /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1130 rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1131 params->wait);
1132
1133 out:
1134 tx_status = (rc == 0);
1135 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1136 tx_status, GFP_KERNEL);
1137
1138 return rc;
1139 }
1140
wil_cfg80211_set_channel(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)1141 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1142 struct cfg80211_chan_def *chandef)
1143 {
1144 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1145
1146 wil->monitor_chandef = *chandef;
1147
1148 return 0;
1149 }
1150
wil_detect_key_usage(struct wireless_dev * wdev,bool pairwise)1151 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1152 bool pairwise)
1153 {
1154 struct wil6210_priv *wil = wdev_to_wil(wdev);
1155 enum wmi_key_usage rc;
1156
1157 if (pairwise) {
1158 rc = WMI_KEY_USE_PAIRWISE;
1159 } else {
1160 switch (wdev->iftype) {
1161 case NL80211_IFTYPE_STATION:
1162 case NL80211_IFTYPE_P2P_CLIENT:
1163 rc = WMI_KEY_USE_RX_GROUP;
1164 break;
1165 case NL80211_IFTYPE_AP:
1166 case NL80211_IFTYPE_P2P_GO:
1167 rc = WMI_KEY_USE_TX_GROUP;
1168 break;
1169 default:
1170 /* TODO: Rx GTK or Tx GTK? */
1171 wil_err(wil, "Can't determine GTK type\n");
1172 rc = WMI_KEY_USE_RX_GROUP;
1173 break;
1174 }
1175 }
1176 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1177
1178 return rc;
1179 }
1180
1181 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)1182 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1183 enum wmi_key_usage key_usage, const u8 *mac_addr)
1184 {
1185 int cid = -EINVAL;
1186
1187 if (key_usage == WMI_KEY_USE_TX_GROUP)
1188 return NULL; /* not needed */
1189
1190 /* supplicant provides Rx group key in STA mode with NULL MAC address */
1191 if (mac_addr)
1192 cid = wil_find_cid(wil, mid, mac_addr);
1193 else if (key_usage == WMI_KEY_USE_RX_GROUP)
1194 cid = wil_find_cid_by_idx(wil, mid, 0);
1195 if (cid < 0) {
1196 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1197 key_usage_str[key_usage]);
1198 return ERR_PTR(cid);
1199 }
1200
1201 return &wil->sta[cid];
1202 }
1203
wil_set_crypto_rx(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs,struct key_params * params)1204 static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1205 struct wil_sta_info *cs,
1206 struct key_params *params)
1207 {
1208 struct wil_tid_crypto_rx_single *cc;
1209 int tid;
1210
1211 if (!cs)
1212 return;
1213
1214 switch (key_usage) {
1215 case WMI_KEY_USE_PAIRWISE:
1216 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1217 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1218 if (params->seq)
1219 memcpy(cc->pn, params->seq,
1220 IEEE80211_GCMP_PN_LEN);
1221 else
1222 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1223 cc->key_set = true;
1224 }
1225 break;
1226 case WMI_KEY_USE_RX_GROUP:
1227 cc = &cs->group_crypto_rx.key_id[key_index];
1228 if (params->seq)
1229 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1230 else
1231 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1232 cc->key_set = true;
1233 break;
1234 default:
1235 break;
1236 }
1237 }
1238
wil_del_rx_key(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs)1239 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1240 struct wil_sta_info *cs)
1241 {
1242 struct wil_tid_crypto_rx_single *cc;
1243 int tid;
1244
1245 if (!cs)
1246 return;
1247
1248 switch (key_usage) {
1249 case WMI_KEY_USE_PAIRWISE:
1250 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1251 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1252 cc->key_set = false;
1253 }
1254 break;
1255 case WMI_KEY_USE_RX_GROUP:
1256 cc = &cs->group_crypto_rx.key_id[key_index];
1257 cc->key_set = false;
1258 break;
1259 default:
1260 break;
1261 }
1262 }
1263
wil_cfg80211_add_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)1264 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1265 struct net_device *ndev,
1266 u8 key_index, bool pairwise,
1267 const u8 *mac_addr,
1268 struct key_params *params)
1269 {
1270 int rc;
1271 struct wil6210_vif *vif = ndev_to_vif(ndev);
1272 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1273 struct wireless_dev *wdev = vif_to_wdev(vif);
1274 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1275 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1276 key_usage,
1277 mac_addr);
1278
1279 if (!params) {
1280 wil_err(wil, "NULL params\n");
1281 return -EINVAL;
1282 }
1283
1284 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1285 mac_addr, key_usage_str[key_usage], key_index,
1286 params->seq_len, params->seq);
1287
1288 if (IS_ERR(cs)) {
1289 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1290 mac_addr, key_usage_str[key_usage], key_index,
1291 params->seq_len, params->seq);
1292 return -EINVAL;
1293 }
1294
1295 wil_del_rx_key(key_index, key_usage, cs);
1296
1297 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1298 wil_err(wil,
1299 "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1300 params->seq_len, mac_addr,
1301 key_usage_str[key_usage], key_index,
1302 params->seq_len, params->seq);
1303 return -EINVAL;
1304 }
1305
1306 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1307 params->key, key_usage);
1308 if (!rc)
1309 wil_set_crypto_rx(key_index, key_usage, cs, params);
1310
1311 return rc;
1312 }
1313
wil_cfg80211_del_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr)1314 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1315 struct net_device *ndev,
1316 u8 key_index, bool pairwise,
1317 const u8 *mac_addr)
1318 {
1319 struct wil6210_vif *vif = ndev_to_vif(ndev);
1320 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1321 struct wireless_dev *wdev = vif_to_wdev(vif);
1322 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1323 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1324 key_usage,
1325 mac_addr);
1326
1327 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1328 key_usage_str[key_usage], key_index);
1329
1330 if (IS_ERR(cs))
1331 wil_info(wil, "Not connected, %pM %s[%d]\n",
1332 mac_addr, key_usage_str[key_usage], key_index);
1333
1334 if (!IS_ERR_OR_NULL(cs))
1335 wil_del_rx_key(key_index, key_usage, cs);
1336
1337 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1338 }
1339
1340 /* Need to be present or wiphy_new() will WARN */
wil_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool unicast,bool multicast)1341 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1342 struct net_device *ndev,
1343 u8 key_index, bool unicast,
1344 bool multicast)
1345 {
1346 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1347
1348 wil_dbg_misc(wil, "set_default_key: entered\n");
1349 return 0;
1350 }
1351
wil_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)1352 static int wil_remain_on_channel(struct wiphy *wiphy,
1353 struct wireless_dev *wdev,
1354 struct ieee80211_channel *chan,
1355 unsigned int duration,
1356 u64 *cookie)
1357 {
1358 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1359 int rc;
1360
1361 wil_dbg_misc(wil,
1362 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1363 chan->center_freq, duration, wdev->iftype);
1364
1365 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1366 return rc;
1367 }
1368
wil_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)1369 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1370 struct wireless_dev *wdev,
1371 u64 cookie)
1372 {
1373 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1374 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1375
1376 wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1377
1378 return wil_p2p_cancel_listen(vif, cookie);
1379 }
1380
1381 /**
1382 * find a specific IE in a list of IEs
1383 * return a pointer to the beginning of IE in the list
1384 * or NULL if not found
1385 */
_wil_cfg80211_find_ie(const u8 * ies,u16 ies_len,const u8 * ie,u16 ie_len)1386 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1387 u16 ie_len)
1388 {
1389 struct ieee80211_vendor_ie *vie;
1390 u32 oui;
1391
1392 /* IE tag at offset 0, length at offset 1 */
1393 if (ie_len < 2 || 2 + ie[1] > ie_len)
1394 return NULL;
1395
1396 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1397 return cfg80211_find_ie(ie[0], ies, ies_len);
1398
1399 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1400 if (ie[1] < 4)
1401 return NULL;
1402 vie = (struct ieee80211_vendor_ie *)ie;
1403 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1404 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1405 ies_len);
1406 }
1407
1408 /**
1409 * merge the IEs in two lists into a single list.
1410 * do not include IEs from the second list which exist in the first list.
1411 * add only vendor specific IEs from second list to keep
1412 * the merged list sorted (since vendor-specific IE has the
1413 * highest tag number)
1414 * caller must free the allocated memory for merged IEs
1415 */
_wil_cfg80211_merge_extra_ies(const u8 * ies1,u16 ies1_len,const u8 * ies2,u16 ies2_len,u8 ** merged_ies,u16 * merged_len)1416 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1417 const u8 *ies2, u16 ies2_len,
1418 u8 **merged_ies, u16 *merged_len)
1419 {
1420 u8 *buf, *dpos;
1421 const u8 *spos;
1422
1423 if (ies1_len == 0 && ies2_len == 0) {
1424 *merged_ies = NULL;
1425 *merged_len = 0;
1426 return 0;
1427 }
1428
1429 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1430 if (!buf)
1431 return -ENOMEM;
1432 memcpy(buf, ies1, ies1_len);
1433 dpos = buf + ies1_len;
1434 spos = ies2;
1435 while (spos + 1 < ies2 + ies2_len) {
1436 /* IE tag at offset 0, length at offset 1 */
1437 u16 ielen = 2 + spos[1];
1438
1439 if (spos + ielen > ies2 + ies2_len)
1440 break;
1441 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1442 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
1443 memcpy(dpos, spos, ielen);
1444 dpos += ielen;
1445 }
1446 spos += ielen;
1447 }
1448
1449 *merged_ies = buf;
1450 *merged_len = dpos - buf;
1451 return 0;
1452 }
1453
wil_print_bcon_data(struct cfg80211_beacon_data * b)1454 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1455 {
1456 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1,
1457 b->head, b->head_len, true);
1458 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1,
1459 b->tail, b->tail_len, true);
1460 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1,
1461 b->beacon_ies, b->beacon_ies_len, true);
1462 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1,
1463 b->probe_resp, b->probe_resp_len, true);
1464 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1465 b->proberesp_ies, b->proberesp_ies_len, true);
1466 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1467 b->assocresp_ies, b->assocresp_ies_len, true);
1468 }
1469
1470 /* internal functions for device reset and starting AP */
_wil_cfg80211_set_ies(struct wil6210_vif * vif,struct cfg80211_beacon_data * bcon)1471 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1472 struct cfg80211_beacon_data *bcon)
1473 {
1474 int rc;
1475 u16 len = 0, proberesp_len = 0;
1476 u8 *ies = NULL, *proberesp = NULL;
1477
1478 if (bcon->probe_resp) {
1479 struct ieee80211_mgmt *f =
1480 (struct ieee80211_mgmt *)bcon->probe_resp;
1481 size_t hlen = offsetof(struct ieee80211_mgmt,
1482 u.probe_resp.variable);
1483 proberesp = f->u.probe_resp.variable;
1484 proberesp_len = bcon->probe_resp_len - hlen;
1485 }
1486 rc = _wil_cfg80211_merge_extra_ies(proberesp,
1487 proberesp_len,
1488 bcon->proberesp_ies,
1489 bcon->proberesp_ies_len,
1490 &ies, &len);
1491
1492 if (rc)
1493 goto out;
1494
1495 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1496 if (rc)
1497 goto out;
1498
1499 if (bcon->assocresp_ies)
1500 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1501 bcon->assocresp_ies_len, bcon->assocresp_ies);
1502 else
1503 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1504 #if 0 /* to use beacon IE's, remove this #if 0 */
1505 if (rc)
1506 goto out;
1507
1508 rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1509 bcon->tail_len, bcon->tail);
1510 #endif
1511 out:
1512 kfree(ies);
1513 return rc;
1514 }
1515
_wil_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * ndev,const u8 * ssid,size_t ssid_len,u32 privacy,int bi,u8 chan,struct cfg80211_beacon_data * bcon,u8 hidden_ssid,u32 pbss)1516 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1517 struct net_device *ndev,
1518 const u8 *ssid, size_t ssid_len, u32 privacy,
1519 int bi, u8 chan,
1520 struct cfg80211_beacon_data *bcon,
1521 u8 hidden_ssid, u32 pbss)
1522 {
1523 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1524 struct wil6210_vif *vif = ndev_to_vif(ndev);
1525 int rc;
1526 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1527 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1528 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1529
1530 if (pbss)
1531 wmi_nettype = WMI_NETTYPE_P2P;
1532
1533 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1534 if (is_go && !pbss) {
1535 wil_err(wil, "P2P GO must be in PBSS\n");
1536 return -ENOTSUPP;
1537 }
1538
1539 wil_set_recovery_state(wil, fw_recovery_idle);
1540
1541 mutex_lock(&wil->mutex);
1542
1543 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1544 __wil_down(wil);
1545 rc = __wil_up(wil);
1546 if (rc)
1547 goto out;
1548 }
1549
1550 rc = wmi_set_ssid(vif, ssid_len, ssid);
1551 if (rc)
1552 goto out;
1553
1554 rc = _wil_cfg80211_set_ies(vif, bcon);
1555 if (rc)
1556 goto out;
1557
1558 vif->privacy = privacy;
1559 vif->channel = chan;
1560 vif->hidden_ssid = hidden_ssid;
1561 vif->pbss = pbss;
1562
1563 netif_carrier_on(ndev);
1564 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1565 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1566
1567 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go);
1568 if (rc)
1569 goto err_pcp_start;
1570
1571 rc = wil_bcast_init(vif);
1572 if (rc)
1573 goto err_bcast;
1574
1575 goto out; /* success */
1576
1577 err_bcast:
1578 wmi_pcp_stop(vif);
1579 err_pcp_start:
1580 netif_carrier_off(ndev);
1581 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1582 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1583 out:
1584 mutex_unlock(&wil->mutex);
1585 return rc;
1586 }
1587
wil_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * bcon)1588 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
1589 struct net_device *ndev,
1590 struct cfg80211_beacon_data *bcon)
1591 {
1592 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1593 struct wil6210_vif *vif = ndev_to_vif(ndev);
1594 int rc;
1595 u32 privacy = 0;
1596
1597 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
1598 wil_print_bcon_data(bcon);
1599
1600 if (bcon->tail &&
1601 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
1602 bcon->tail_len))
1603 privacy = 1;
1604
1605 /* in case privacy has changed, need to restart the AP */
1606 if (vif->privacy != privacy) {
1607 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1608
1609 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
1610 vif->privacy, privacy);
1611
1612 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
1613 wdev->ssid_len, privacy,
1614 wdev->beacon_interval,
1615 vif->channel, bcon,
1616 vif->hidden_ssid,
1617 vif->pbss);
1618 } else {
1619 rc = _wil_cfg80211_set_ies(vif, bcon);
1620 }
1621
1622 return rc;
1623 }
1624
wil_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * info)1625 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
1626 struct net_device *ndev,
1627 struct cfg80211_ap_settings *info)
1628 {
1629 int rc;
1630 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1631 struct ieee80211_channel *channel = info->chandef.chan;
1632 struct cfg80211_beacon_data *bcon = &info->beacon;
1633 struct cfg80211_crypto_settings *crypto = &info->crypto;
1634 u8 hidden_ssid;
1635
1636 wil_dbg_misc(wil, "start_ap\n");
1637
1638 if (!channel) {
1639 wil_err(wil, "AP: No channel???\n");
1640 return -EINVAL;
1641 }
1642
1643 switch (info->hidden_ssid) {
1644 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1645 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
1646 break;
1647
1648 case NL80211_HIDDEN_SSID_ZERO_LEN:
1649 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
1650 break;
1651
1652 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1653 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
1654 break;
1655
1656 default:
1657 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
1658 return -EOPNOTSUPP;
1659 }
1660 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
1661 channel->center_freq, info->privacy ? "secure" : "open");
1662 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
1663 info->privacy, info->auth_type);
1664 wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
1665 info->hidden_ssid);
1666 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
1667 info->dtim_period);
1668 wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
1669 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
1670 info->ssid, info->ssid_len, true);
1671 wil_print_bcon_data(bcon);
1672 wil_print_crypto(wil, crypto);
1673
1674 rc = _wil_cfg80211_start_ap(wiphy, ndev,
1675 info->ssid, info->ssid_len, info->privacy,
1676 info->beacon_interval, channel->hw_value,
1677 bcon, hidden_ssid, info->pbss);
1678
1679 return rc;
1680 }
1681
wil_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * ndev)1682 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
1683 struct net_device *ndev)
1684 {
1685 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1686 struct wil6210_vif *vif = ndev_to_vif(ndev);
1687 bool last;
1688
1689 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
1690
1691 netif_carrier_off(ndev);
1692 last = !wil_has_other_active_ifaces(wil, ndev, false, true);
1693 if (last) {
1694 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1695 wil_set_recovery_state(wil, fw_recovery_idle);
1696 set_bit(wil_status_resetting, wil->status);
1697 }
1698
1699 mutex_lock(&wil->mutex);
1700
1701 wmi_pcp_stop(vif);
1702
1703 if (last)
1704 __wil_down(wil);
1705 else
1706 wil_bcast_fini(vif);
1707
1708 mutex_unlock(&wil->mutex);
1709
1710 return 0;
1711 }
1712
wil_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1713 static int wil_cfg80211_add_station(struct wiphy *wiphy,
1714 struct net_device *dev,
1715 const u8 *mac,
1716 struct station_parameters *params)
1717 {
1718 struct wil6210_vif *vif = ndev_to_vif(dev);
1719 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1720
1721 wil_dbg_misc(wil, "add station %pM aid %d mid %d\n",
1722 mac, params->aid, vif->mid);
1723
1724 if (!disable_ap_sme) {
1725 wil_err(wil, "not supported with AP SME enabled\n");
1726 return -EOPNOTSUPP;
1727 }
1728
1729 if (params->aid > WIL_MAX_DMG_AID) {
1730 wil_err(wil, "invalid aid\n");
1731 return -EINVAL;
1732 }
1733
1734 return wmi_new_sta(vif, mac, params->aid);
1735 }
1736
wil_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1737 static int wil_cfg80211_del_station(struct wiphy *wiphy,
1738 struct net_device *dev,
1739 struct station_del_parameters *params)
1740 {
1741 struct wil6210_vif *vif = ndev_to_vif(dev);
1742 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1743
1744 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
1745 params->mac, params->reason_code, vif->mid);
1746
1747 mutex_lock(&wil->mutex);
1748 wil6210_disconnect(vif, params->mac, params->reason_code, false);
1749 mutex_unlock(&wil->mutex);
1750
1751 return 0;
1752 }
1753
wil_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1754 static int wil_cfg80211_change_station(struct wiphy *wiphy,
1755 struct net_device *dev,
1756 const u8 *mac,
1757 struct station_parameters *params)
1758 {
1759 struct wil6210_vif *vif = ndev_to_vif(dev);
1760 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1761 int authorize;
1762 int cid, i;
1763 struct wil_ring_tx_data *txdata = NULL;
1764
1765 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
1766 mac, params->sta_flags_mask, params->sta_flags_set,
1767 vif->mid);
1768
1769 if (!disable_ap_sme) {
1770 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
1771 return -EOPNOTSUPP;
1772 }
1773
1774 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
1775 return 0;
1776
1777 cid = wil_find_cid(wil, vif->mid, mac);
1778 if (cid < 0) {
1779 wil_err(wil, "station not found\n");
1780 return -ENOLINK;
1781 }
1782
1783 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
1784 if (wil->ring2cid_tid[i][0] == cid) {
1785 txdata = &wil->ring_tx_data[i];
1786 break;
1787 }
1788
1789 if (!txdata) {
1790 wil_err(wil, "ring data not found\n");
1791 return -ENOLINK;
1792 }
1793
1794 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
1795 txdata->dot1x_open = authorize ? 1 : 0;
1796 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
1797 txdata->dot1x_open);
1798
1799 return 0;
1800 }
1801
1802 /* probe_client handling */
wil_probe_client_handle(struct wil6210_priv * wil,struct wil6210_vif * vif,struct wil_probe_client_req * req)1803 static void wil_probe_client_handle(struct wil6210_priv *wil,
1804 struct wil6210_vif *vif,
1805 struct wil_probe_client_req *req)
1806 {
1807 struct net_device *ndev = vif_to_ndev(vif);
1808 struct wil_sta_info *sta = &wil->sta[req->cid];
1809 /* assume STA is alive if it is still connected,
1810 * else FW will disconnect it
1811 */
1812 bool alive = (sta->status == wil_sta_connected);
1813
1814 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
1815 0, false, GFP_KERNEL);
1816 }
1817
next_probe_client(struct wil6210_vif * vif)1818 static struct list_head *next_probe_client(struct wil6210_vif *vif)
1819 {
1820 struct list_head *ret = NULL;
1821
1822 mutex_lock(&vif->probe_client_mutex);
1823
1824 if (!list_empty(&vif->probe_client_pending)) {
1825 ret = vif->probe_client_pending.next;
1826 list_del(ret);
1827 }
1828
1829 mutex_unlock(&vif->probe_client_mutex);
1830
1831 return ret;
1832 }
1833
wil_probe_client_worker(struct work_struct * work)1834 void wil_probe_client_worker(struct work_struct *work)
1835 {
1836 struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
1837 probe_client_worker);
1838 struct wil6210_priv *wil = vif_to_wil(vif);
1839 struct wil_probe_client_req *req;
1840 struct list_head *lh;
1841
1842 while ((lh = next_probe_client(vif)) != NULL) {
1843 req = list_entry(lh, struct wil_probe_client_req, list);
1844
1845 wil_probe_client_handle(wil, vif, req);
1846 kfree(req);
1847 }
1848 }
1849
wil_probe_client_flush(struct wil6210_vif * vif)1850 void wil_probe_client_flush(struct wil6210_vif *vif)
1851 {
1852 struct wil_probe_client_req *req, *t;
1853 struct wil6210_priv *wil = vif_to_wil(vif);
1854
1855 wil_dbg_misc(wil, "probe_client_flush\n");
1856
1857 mutex_lock(&vif->probe_client_mutex);
1858
1859 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
1860 list_del(&req->list);
1861 kfree(req);
1862 }
1863
1864 mutex_unlock(&vif->probe_client_mutex);
1865 }
1866
wil_cfg80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)1867 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
1868 struct net_device *dev,
1869 const u8 *peer, u64 *cookie)
1870 {
1871 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1872 struct wil6210_vif *vif = ndev_to_vif(dev);
1873 struct wil_probe_client_req *req;
1874 int cid = wil_find_cid(wil, vif->mid, peer);
1875
1876 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
1877 peer, cid, vif->mid);
1878
1879 if (cid < 0)
1880 return -ENOLINK;
1881
1882 req = kzalloc(sizeof(*req), GFP_KERNEL);
1883 if (!req)
1884 return -ENOMEM;
1885
1886 req->cid = cid;
1887 req->cookie = cid;
1888
1889 mutex_lock(&vif->probe_client_mutex);
1890 list_add_tail(&req->list, &vif->probe_client_pending);
1891 mutex_unlock(&vif->probe_client_mutex);
1892
1893 *cookie = req->cookie;
1894 queue_work(wil->wq_service, &vif->probe_client_worker);
1895 return 0;
1896 }
1897
wil_cfg80211_change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)1898 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
1899 struct net_device *dev,
1900 struct bss_parameters *params)
1901 {
1902 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1903 struct wil6210_vif *vif = ndev_to_vif(dev);
1904
1905 if (params->ap_isolate >= 0) {
1906 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
1907 vif->mid, vif->ap_isolate, params->ap_isolate);
1908 vif->ap_isolate = params->ap_isolate;
1909 }
1910
1911 return 0;
1912 }
1913
wil_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)1914 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1915 struct net_device *dev,
1916 bool enabled, int timeout)
1917 {
1918 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1919 enum wmi_ps_profile_type ps_profile;
1920
1921 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
1922 enabled, timeout);
1923
1924 if (enabled)
1925 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
1926 else
1927 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
1928
1929 return wil_ps_update(wil, ps_profile);
1930 }
1931
wil_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wow)1932 static int wil_cfg80211_suspend(struct wiphy *wiphy,
1933 struct cfg80211_wowlan *wow)
1934 {
1935 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1936 int rc;
1937
1938 /* Setting the wakeup trigger based on wow is TBD */
1939
1940 if (test_bit(wil_status_suspended, wil->status)) {
1941 wil_dbg_pm(wil, "trying to suspend while suspended\n");
1942 return 0;
1943 }
1944
1945 rc = wil_can_suspend(wil, false);
1946 if (rc)
1947 goto out;
1948
1949 wil_dbg_pm(wil, "suspending\n");
1950
1951 mutex_lock(&wil->mutex);
1952 mutex_lock(&wil->vif_mutex);
1953 wil_p2p_stop_radio_operations(wil);
1954 wil_abort_scan_all_vifs(wil, true);
1955 mutex_unlock(&wil->vif_mutex);
1956 mutex_unlock(&wil->mutex);
1957
1958 out:
1959 return rc;
1960 }
1961
wil_cfg80211_resume(struct wiphy * wiphy)1962 static int wil_cfg80211_resume(struct wiphy *wiphy)
1963 {
1964 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1965
1966 wil_dbg_pm(wil, "resuming\n");
1967
1968 return 0;
1969 }
1970
1971 static int
wil_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)1972 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
1973 struct net_device *dev,
1974 struct cfg80211_sched_scan_request *request)
1975 {
1976 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1977 struct wil6210_vif *vif = ndev_to_vif(dev);
1978 int i, rc;
1979
1980 if (vif->mid != 0)
1981 return -EOPNOTSUPP;
1982
1983 wil_dbg_misc(wil,
1984 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
1985 request->n_ssids, request->ie_len, request->flags);
1986 for (i = 0; i < request->n_ssids; i++) {
1987 wil_dbg_misc(wil, "SSID[%d]:", i);
1988 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
1989 request->ssids[i].ssid,
1990 request->ssids[i].ssid_len, true);
1991 }
1992 wil_dbg_misc(wil, "channels:");
1993 for (i = 0; i < request->n_channels; i++)
1994 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
1995 i == request->n_channels - 1 ? "\n" : "");
1996 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
1997 request->n_match_sets, request->min_rssi_thold,
1998 request->delay);
1999 for (i = 0; i < request->n_match_sets; i++) {
2000 struct cfg80211_match_set *ms = &request->match_sets[i];
2001
2002 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2003 i, ms->rssi_thold);
2004 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2005 ms->ssid.ssid,
2006 ms->ssid.ssid_len, true);
2007 }
2008 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2009 for (i = 0; i < request->n_scan_plans; i++) {
2010 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2011
2012 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2013 i, sp->interval, sp->iterations);
2014 }
2015
2016 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2017 request->ie_len, request->ie);
2018 if (rc)
2019 return rc;
2020 return wmi_start_sched_scan(wil, request);
2021 }
2022
2023 static int
wil_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2024 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2025 u64 reqid)
2026 {
2027 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2028 struct wil6210_vif *vif = ndev_to_vif(dev);
2029 int rc;
2030
2031 if (vif->mid != 0)
2032 return -EOPNOTSUPP;
2033
2034 rc = wmi_stop_sched_scan(wil);
2035 /* device would return error if it thinks PNO is already stopped.
2036 * ignore the return code so user space and driver gets back in-sync
2037 */
2038 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2039
2040 return 0;
2041 }
2042
2043 static const struct cfg80211_ops wil_cfg80211_ops = {
2044 .add_virtual_intf = wil_cfg80211_add_iface,
2045 .del_virtual_intf = wil_cfg80211_del_iface,
2046 .scan = wil_cfg80211_scan,
2047 .abort_scan = wil_cfg80211_abort_scan,
2048 .connect = wil_cfg80211_connect,
2049 .disconnect = wil_cfg80211_disconnect,
2050 .set_wiphy_params = wil_cfg80211_set_wiphy_params,
2051 .change_virtual_intf = wil_cfg80211_change_iface,
2052 .get_station = wil_cfg80211_get_station,
2053 .dump_station = wil_cfg80211_dump_station,
2054 .remain_on_channel = wil_remain_on_channel,
2055 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
2056 .mgmt_tx = wil_cfg80211_mgmt_tx,
2057 .set_monitor_channel = wil_cfg80211_set_channel,
2058 .add_key = wil_cfg80211_add_key,
2059 .del_key = wil_cfg80211_del_key,
2060 .set_default_key = wil_cfg80211_set_default_key,
2061 /* AP mode */
2062 .change_beacon = wil_cfg80211_change_beacon,
2063 .start_ap = wil_cfg80211_start_ap,
2064 .stop_ap = wil_cfg80211_stop_ap,
2065 .add_station = wil_cfg80211_add_station,
2066 .del_station = wil_cfg80211_del_station,
2067 .change_station = wil_cfg80211_change_station,
2068 .probe_client = wil_cfg80211_probe_client,
2069 .change_bss = wil_cfg80211_change_bss,
2070 /* P2P device */
2071 .start_p2p_device = wil_cfg80211_start_p2p_device,
2072 .stop_p2p_device = wil_cfg80211_stop_p2p_device,
2073 .set_power_mgmt = wil_cfg80211_set_power_mgmt,
2074 .suspend = wil_cfg80211_suspend,
2075 .resume = wil_cfg80211_resume,
2076 .sched_scan_start = wil_cfg80211_sched_scan_start,
2077 .sched_scan_stop = wil_cfg80211_sched_scan_stop,
2078 };
2079
wil_wiphy_init(struct wiphy * wiphy)2080 static void wil_wiphy_init(struct wiphy *wiphy)
2081 {
2082 wiphy->max_scan_ssids = 1;
2083 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2084 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2085 wiphy->max_num_pmkids = 0 /* TODO: */;
2086 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2087 BIT(NL80211_IFTYPE_AP) |
2088 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2089 BIT(NL80211_IFTYPE_P2P_GO) |
2090 BIT(NL80211_IFTYPE_P2P_DEVICE) |
2091 BIT(NL80211_IFTYPE_MONITOR);
2092 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2093 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2094 WIPHY_FLAG_PS_ON_BY_DEFAULT;
2095 if (!disable_ap_sme)
2096 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2097 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2098 __func__, wiphy->flags);
2099 wiphy->probe_resp_offload =
2100 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2101 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2102 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2103
2104 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2105
2106 /* may change after reading FW capabilities */
2107 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2108
2109 wiphy->cipher_suites = wil_cipher_suites;
2110 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2111 wiphy->mgmt_stypes = wil_mgmt_stypes;
2112 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2113
2114 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2115 wiphy->vendor_commands = wil_nl80211_vendor_commands;
2116
2117 #ifdef CONFIG_PM
2118 wiphy->wowlan = &wil_wowlan_support;
2119 #endif
2120 }
2121
wil_cfg80211_iface_combinations_from_fw(struct wil6210_priv * wil,const struct wil_fw_record_concurrency * conc)2122 int wil_cfg80211_iface_combinations_from_fw(
2123 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2124 {
2125 struct wiphy *wiphy = wil_to_wiphy(wil);
2126 u32 total_limits = 0;
2127 u16 n_combos;
2128 const struct wil_fw_concurrency_combo *combo;
2129 const struct wil_fw_concurrency_limit *limit;
2130 struct ieee80211_iface_combination *iface_combinations;
2131 struct ieee80211_iface_limit *iface_limit;
2132 int i, j;
2133
2134 if (wiphy->iface_combinations) {
2135 wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2136 return 0;
2137 }
2138
2139 combo = conc->combos;
2140 n_combos = le16_to_cpu(conc->n_combos);
2141 for (i = 0; i < n_combos; i++) {
2142 total_limits += combo->n_limits;
2143 limit = combo->limits + combo->n_limits;
2144 combo = (struct wil_fw_concurrency_combo *)limit;
2145 }
2146
2147 iface_combinations =
2148 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2149 total_limits * sizeof(struct ieee80211_iface_limit),
2150 GFP_KERNEL);
2151 if (!iface_combinations)
2152 return -ENOMEM;
2153 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2154 n_combos);
2155 combo = conc->combos;
2156 for (i = 0; i < n_combos; i++) {
2157 iface_combinations[i].max_interfaces = combo->max_interfaces;
2158 iface_combinations[i].num_different_channels =
2159 combo->n_diff_channels;
2160 iface_combinations[i].beacon_int_infra_match =
2161 combo->same_bi;
2162 iface_combinations[i].n_limits = combo->n_limits;
2163 wil_dbg_misc(wil,
2164 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2165 i, iface_combinations[i].max_interfaces,
2166 iface_combinations[i].num_different_channels,
2167 iface_combinations[i].beacon_int_infra_match);
2168 limit = combo->limits;
2169 for (j = 0; j < combo->n_limits; j++) {
2170 iface_limit[j].max = le16_to_cpu(limit[j].max);
2171 iface_limit[j].types = le16_to_cpu(limit[j].types);
2172 wil_dbg_misc(wil,
2173 "limit %d: max %d types 0x%x\n", j,
2174 iface_limit[j].max, iface_limit[j].types);
2175 }
2176 iface_combinations[i].limits = iface_limit;
2177 iface_limit += combo->n_limits;
2178 limit += combo->n_limits;
2179 combo = (struct wil_fw_concurrency_combo *)limit;
2180 }
2181
2182 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2183 wil->max_vifs = conc->n_mids + 1; /* including main interface */
2184 if (wil->max_vifs > WIL_MAX_VIFS) {
2185 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2186 WIL_MAX_VIFS, wil->max_vifs);
2187 wil->max_vifs = WIL_MAX_VIFS;
2188 }
2189 wiphy->n_iface_combinations = n_combos;
2190 wiphy->iface_combinations = iface_combinations;
2191 return 0;
2192 }
2193
wil_cfg80211_init(struct device * dev)2194 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2195 {
2196 struct wiphy *wiphy;
2197 struct wil6210_priv *wil;
2198 struct ieee80211_channel *ch;
2199
2200 dev_dbg(dev, "%s()\n", __func__);
2201
2202 /* Note: the wireless_dev structure is no longer allocated here.
2203 * Instead, it is allocated as part of the net_device structure
2204 * for main interface and each VIF.
2205 */
2206 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2207 if (!wiphy)
2208 return ERR_PTR(-ENOMEM);
2209
2210 set_wiphy_dev(wiphy, dev);
2211 wil_wiphy_init(wiphy);
2212
2213 wil = wiphy_to_wil(wiphy);
2214 wil->wiphy = wiphy;
2215
2216 /* default monitor channel */
2217 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2218 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2219
2220 return wil;
2221 }
2222
wil_cfg80211_deinit(struct wil6210_priv * wil)2223 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2224 {
2225 struct wiphy *wiphy = wil_to_wiphy(wil);
2226
2227 dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2228
2229 if (!wiphy)
2230 return;
2231
2232 kfree(wiphy->iface_combinations);
2233 wiphy->iface_combinations = NULL;
2234
2235 wiphy_free(wiphy);
2236 /* do not access wil6210_priv after returning from here */
2237 }
2238
wil_p2p_wdev_free(struct wil6210_priv * wil)2239 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2240 {
2241 struct wireless_dev *p2p_wdev;
2242
2243 mutex_lock(&wil->vif_mutex);
2244 p2p_wdev = wil->p2p_wdev;
2245 wil->p2p_wdev = NULL;
2246 wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2247 mutex_unlock(&wil->vif_mutex);
2248 if (p2p_wdev) {
2249 cfg80211_unregister_wdev(p2p_wdev);
2250 kfree(p2p_wdev);
2251 }
2252 }
2253
wil_rf_sector_status_to_rc(u8 status)2254 static int wil_rf_sector_status_to_rc(u8 status)
2255 {
2256 switch (status) {
2257 case WMI_RF_SECTOR_STATUS_SUCCESS:
2258 return 0;
2259 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2260 return -EINVAL;
2261 case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2262 return -EAGAIN;
2263 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2264 return -EOPNOTSUPP;
2265 default:
2266 return -EINVAL;
2267 }
2268 }
2269
wil_rf_sector_get_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2270 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2271 struct wireless_dev *wdev,
2272 const void *data, int data_len)
2273 {
2274 struct wil6210_priv *wil = wdev_to_wil(wdev);
2275 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2276 int rc;
2277 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2278 u16 sector_index;
2279 u8 sector_type;
2280 u32 rf_modules_vec;
2281 struct wmi_get_rf_sector_params_cmd cmd;
2282 struct {
2283 struct wmi_cmd_hdr wmi;
2284 struct wmi_get_rf_sector_params_done_event evt;
2285 } __packed reply = {
2286 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2287 };
2288 struct sk_buff *msg;
2289 struct nlattr *nl_cfgs, *nl_cfg;
2290 u32 i;
2291 struct wmi_rf_sector_info *si;
2292
2293 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2294 return -EOPNOTSUPP;
2295
2296 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2297 wil_rf_sector_policy, NULL);
2298 if (rc) {
2299 wil_err(wil, "Invalid rf sector ATTR\n");
2300 return rc;
2301 }
2302
2303 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2304 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2305 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2306 wil_err(wil, "Invalid rf sector spec\n");
2307 return -EINVAL;
2308 }
2309
2310 sector_index = nla_get_u16(
2311 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2312 if (sector_index >= WIL_MAX_RF_SECTORS) {
2313 wil_err(wil, "Invalid sector index %d\n", sector_index);
2314 return -EINVAL;
2315 }
2316
2317 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2318 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2319 wil_err(wil, "Invalid sector type %d\n", sector_type);
2320 return -EINVAL;
2321 }
2322
2323 rf_modules_vec = nla_get_u32(
2324 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2325 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2326 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2327 return -EINVAL;
2328 }
2329
2330 cmd.sector_idx = cpu_to_le16(sector_index);
2331 cmd.sector_type = sector_type;
2332 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2333 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2334 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2335 &reply, sizeof(reply),
2336 500);
2337 if (rc)
2338 return rc;
2339 if (reply.evt.status) {
2340 wil_err(wil, "get rf sector cfg failed with status %d\n",
2341 reply.evt.status);
2342 return wil_rf_sector_status_to_rc(reply.evt.status);
2343 }
2344
2345 msg = cfg80211_vendor_cmd_alloc_reply_skb(
2346 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2347 if (!msg)
2348 return -ENOMEM;
2349
2350 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2351 le64_to_cpu(reply.evt.tsf),
2352 QCA_ATTR_PAD))
2353 goto nla_put_failure;
2354
2355 nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2356 if (!nl_cfgs)
2357 goto nla_put_failure;
2358 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2359 if (!(rf_modules_vec & BIT(i)))
2360 continue;
2361 nl_cfg = nla_nest_start(msg, i);
2362 if (!nl_cfg)
2363 goto nla_put_failure;
2364 si = &reply.evt.sectors_info[i];
2365 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2366 i) ||
2367 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2368 le32_to_cpu(si->etype0)) ||
2369 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2370 le32_to_cpu(si->etype1)) ||
2371 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2372 le32_to_cpu(si->etype2)) ||
2373 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2374 le32_to_cpu(si->psh_hi)) ||
2375 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2376 le32_to_cpu(si->psh_lo)) ||
2377 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2378 le32_to_cpu(si->dtype_swch_off)))
2379 goto nla_put_failure;
2380 nla_nest_end(msg, nl_cfg);
2381 }
2382
2383 nla_nest_end(msg, nl_cfgs);
2384 rc = cfg80211_vendor_cmd_reply(msg);
2385 return rc;
2386 nla_put_failure:
2387 kfree_skb(msg);
2388 return -ENOBUFS;
2389 }
2390
wil_rf_sector_set_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2391 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2392 struct wireless_dev *wdev,
2393 const void *data, int data_len)
2394 {
2395 struct wil6210_priv *wil = wdev_to_wil(wdev);
2396 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2397 int rc, tmp;
2398 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2399 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2400 u16 sector_index, rf_module_index;
2401 u8 sector_type;
2402 u32 rf_modules_vec = 0;
2403 struct wmi_set_rf_sector_params_cmd cmd;
2404 struct {
2405 struct wmi_cmd_hdr wmi;
2406 struct wmi_set_rf_sector_params_done_event evt;
2407 } __packed reply = {
2408 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2409 };
2410 struct nlattr *nl_cfg;
2411 struct wmi_rf_sector_info *si;
2412
2413 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2414 return -EOPNOTSUPP;
2415
2416 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2417 wil_rf_sector_policy, NULL);
2418 if (rc) {
2419 wil_err(wil, "Invalid rf sector ATTR\n");
2420 return rc;
2421 }
2422
2423 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2424 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2425 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
2426 wil_err(wil, "Invalid rf sector spec\n");
2427 return -EINVAL;
2428 }
2429
2430 sector_index = nla_get_u16(
2431 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2432 if (sector_index >= WIL_MAX_RF_SECTORS) {
2433 wil_err(wil, "Invalid sector index %d\n", sector_index);
2434 return -EINVAL;
2435 }
2436
2437 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2438 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2439 wil_err(wil, "Invalid sector type %d\n", sector_type);
2440 return -EINVAL;
2441 }
2442
2443 memset(&cmd, 0, sizeof(cmd));
2444
2445 cmd.sector_idx = cpu_to_le16(sector_index);
2446 cmd.sector_type = sector_type;
2447 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
2448 tmp) {
2449 rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
2450 nl_cfg, wil_rf_sector_cfg_policy,
2451 NULL);
2452 if (rc) {
2453 wil_err(wil, "invalid sector cfg\n");
2454 return -EINVAL;
2455 }
2456
2457 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
2458 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
2459 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
2460 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
2461 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
2462 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
2463 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
2464 wil_err(wil, "missing cfg params\n");
2465 return -EINVAL;
2466 }
2467
2468 rf_module_index = nla_get_u8(
2469 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
2470 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
2471 wil_err(wil, "invalid RF module index %d\n",
2472 rf_module_index);
2473 return -EINVAL;
2474 }
2475 rf_modules_vec |= BIT(rf_module_index);
2476 si = &cmd.sectors_info[rf_module_index];
2477 si->etype0 = cpu_to_le32(nla_get_u32(
2478 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
2479 si->etype1 = cpu_to_le32(nla_get_u32(
2480 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
2481 si->etype2 = cpu_to_le32(nla_get_u32(
2482 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
2483 si->psh_hi = cpu_to_le32(nla_get_u32(
2484 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
2485 si->psh_lo = cpu_to_le32(nla_get_u32(
2486 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
2487 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
2488 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
2489 }
2490
2491 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2492 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2493 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
2494 &reply, sizeof(reply),
2495 500);
2496 if (rc)
2497 return rc;
2498 return wil_rf_sector_status_to_rc(reply.evt.status);
2499 }
2500
wil_rf_sector_get_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2501 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
2502 struct wireless_dev *wdev,
2503 const void *data, int data_len)
2504 {
2505 struct wil6210_priv *wil = wdev_to_wil(wdev);
2506 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2507 int rc;
2508 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2509 u8 sector_type, mac_addr[ETH_ALEN];
2510 int cid = 0;
2511 struct wmi_get_selected_rf_sector_index_cmd cmd;
2512 struct {
2513 struct wmi_cmd_hdr wmi;
2514 struct wmi_get_selected_rf_sector_index_done_event evt;
2515 } __packed reply = {
2516 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2517 };
2518 struct sk_buff *msg;
2519
2520 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2521 return -EOPNOTSUPP;
2522
2523 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2524 wil_rf_sector_policy, NULL);
2525 if (rc) {
2526 wil_err(wil, "Invalid rf sector ATTR\n");
2527 return rc;
2528 }
2529
2530 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2531 wil_err(wil, "Invalid rf sector spec\n");
2532 return -EINVAL;
2533 }
2534 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2535 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2536 wil_err(wil, "Invalid sector type %d\n", sector_type);
2537 return -EINVAL;
2538 }
2539
2540 if (tb[QCA_ATTR_MAC_ADDR]) {
2541 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2542 cid = wil_find_cid(wil, vif->mid, mac_addr);
2543 if (cid < 0) {
2544 wil_err(wil, "invalid MAC address %pM\n", mac_addr);
2545 return -ENOENT;
2546 }
2547 } else {
2548 if (test_bit(wil_vif_fwconnected, vif->status)) {
2549 wil_err(wil, "must specify MAC address when connected\n");
2550 return -EINVAL;
2551 }
2552 }
2553
2554 memset(&cmd, 0, sizeof(cmd));
2555 cmd.cid = (u8)cid;
2556 cmd.sector_type = sector_type;
2557 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
2558 &cmd, sizeof(cmd),
2559 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2560 &reply, sizeof(reply),
2561 500);
2562 if (rc)
2563 return rc;
2564 if (reply.evt.status) {
2565 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
2566 reply.evt.status);
2567 return wil_rf_sector_status_to_rc(reply.evt.status);
2568 }
2569
2570 msg = cfg80211_vendor_cmd_alloc_reply_skb(
2571 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2572 if (!msg)
2573 return -ENOMEM;
2574
2575 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2576 le64_to_cpu(reply.evt.tsf),
2577 QCA_ATTR_PAD) ||
2578 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
2579 le16_to_cpu(reply.evt.sector_idx)))
2580 goto nla_put_failure;
2581
2582 rc = cfg80211_vendor_cmd_reply(msg);
2583 return rc;
2584 nla_put_failure:
2585 kfree_skb(msg);
2586 return -ENOBUFS;
2587 }
2588
wil_rf_sector_wmi_set_selected(struct wil6210_priv * wil,u8 mid,u16 sector_index,u8 sector_type,u8 cid)2589 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
2590 u8 mid, u16 sector_index,
2591 u8 sector_type, u8 cid)
2592 {
2593 struct wmi_set_selected_rf_sector_index_cmd cmd;
2594 struct {
2595 struct wmi_cmd_hdr wmi;
2596 struct wmi_set_selected_rf_sector_index_done_event evt;
2597 } __packed reply = {
2598 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2599 };
2600 int rc;
2601
2602 memset(&cmd, 0, sizeof(cmd));
2603 cmd.sector_idx = cpu_to_le16(sector_index);
2604 cmd.sector_type = sector_type;
2605 cmd.cid = (u8)cid;
2606 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
2607 &cmd, sizeof(cmd),
2608 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2609 &reply, sizeof(reply),
2610 500);
2611 if (rc)
2612 return rc;
2613 return wil_rf_sector_status_to_rc(reply.evt.status);
2614 }
2615
wil_rf_sector_set_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2616 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
2617 struct wireless_dev *wdev,
2618 const void *data, int data_len)
2619 {
2620 struct wil6210_priv *wil = wdev_to_wil(wdev);
2621 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2622 int rc;
2623 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2624 u16 sector_index;
2625 u8 sector_type, mac_addr[ETH_ALEN], i;
2626 int cid = 0;
2627
2628 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2629 return -EOPNOTSUPP;
2630
2631 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2632 wil_rf_sector_policy, NULL);
2633 if (rc) {
2634 wil_err(wil, "Invalid rf sector ATTR\n");
2635 return rc;
2636 }
2637
2638 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2639 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2640 wil_err(wil, "Invalid rf sector spec\n");
2641 return -EINVAL;
2642 }
2643
2644 sector_index = nla_get_u16(
2645 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2646 if (sector_index >= WIL_MAX_RF_SECTORS &&
2647 sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2648 wil_err(wil, "Invalid sector index %d\n", sector_index);
2649 return -EINVAL;
2650 }
2651
2652 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2653 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2654 wil_err(wil, "Invalid sector type %d\n", sector_type);
2655 return -EINVAL;
2656 }
2657
2658 if (tb[QCA_ATTR_MAC_ADDR]) {
2659 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2660 if (!is_broadcast_ether_addr(mac_addr)) {
2661 cid = wil_find_cid(wil, vif->mid, mac_addr);
2662 if (cid < 0) {
2663 wil_err(wil, "invalid MAC address %pM\n",
2664 mac_addr);
2665 return -ENOENT;
2666 }
2667 } else {
2668 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2669 wil_err(wil, "broadcast MAC valid only with unlocking\n");
2670 return -EINVAL;
2671 }
2672 cid = -1;
2673 }
2674 } else {
2675 if (test_bit(wil_vif_fwconnected, vif->status)) {
2676 wil_err(wil, "must specify MAC address when connected\n");
2677 return -EINVAL;
2678 }
2679 /* otherwise, using cid=0 for unassociated station */
2680 }
2681
2682 if (cid >= 0) {
2683 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
2684 sector_type, cid);
2685 } else {
2686 /* unlock all cids */
2687 rc = wil_rf_sector_wmi_set_selected(
2688 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
2689 sector_type, WIL_CID_ALL);
2690 if (rc == -EINVAL) {
2691 for (i = 0; i < WIL6210_MAX_CID; i++) {
2692 if (wil->sta[i].mid != vif->mid)
2693 continue;
2694 rc = wil_rf_sector_wmi_set_selected(
2695 wil, vif->mid,
2696 WMI_INVALID_RF_SECTOR_INDEX,
2697 sector_type, i);
2698 /* the FW will silently ignore and return
2699 * success for unused cid, so abort the loop
2700 * on any other error
2701 */
2702 if (rc) {
2703 wil_err(wil, "unlock cid %d failed with status %d\n",
2704 i, rc);
2705 break;
2706 }
2707 }
2708 }
2709 }
2710
2711 return rc;
2712 }
2713
