1 /*
2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/etherdevice.h>
18 #include <linux/moduleparam.h>
19 #include <net/netlink.h>
20 #include "wil6210.h"
21 #include "wmi.h"
22
23 #define WIL_MAX_ROC_DURATION_MS 5000
24
25 bool disable_ap_sme;
26 module_param(disable_ap_sme, bool, 0444);
27 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
28
29 #ifdef CONFIG_PM
30 static struct wiphy_wowlan_support wil_wowlan_support = {
31 .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
32 };
33 #endif
34
35 #define CHAN60G(_channel, _flags) { \
36 .band = NL80211_BAND_60GHZ, \
37 .center_freq = 56160 + (2160 * (_channel)), \
38 .hw_value = (_channel), \
39 .flags = (_flags), \
40 .max_antenna_gain = 0, \
41 .max_power = 40, \
42 }
43
44 static struct ieee80211_channel wil_60ghz_channels[] = {
45 CHAN60G(1, 0),
46 CHAN60G(2, 0),
47 CHAN60G(3, 0),
48 /* channel 4 not supported yet */
49 };
50
51 /* Vendor id to be used in vendor specific command and events
52 * to user space.
53 * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
54 * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
55 * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
56 * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
57 */
58
59 #define QCA_NL80211_VENDOR_ID 0x001374
60
61 #define WIL_MAX_RF_SECTORS (128)
62 #define WIL_CID_ALL (0xff)
63
64 enum qca_wlan_vendor_attr_rf_sector {
65 QCA_ATTR_MAC_ADDR = 6,
66 QCA_ATTR_PAD = 13,
67 QCA_ATTR_TSF = 29,
68 QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
69 QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
70 QCA_ATTR_DMG_RF_MODULE_MASK = 32,
71 QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
72 QCA_ATTR_DMG_RF_SECTOR_MAX,
73 };
74
75 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
76 QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
77 QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
78 QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
79 };
80
81 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
82 QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
83 QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
84 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
85 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
86 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
87 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
88 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
89 QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
90
91 /* keep last */
92 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
93 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
94 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
95 };
96
97 static const struct
98 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
99 [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
100 [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
101 [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
102 [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
103 [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
104 };
105
106 static const struct
107 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
108 [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
109 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
110 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
111 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
112 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
113 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
114 [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
115 };
116
117 enum qca_nl80211_vendor_subcmds {
118 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
119 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
120 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
121 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
122 };
123
124 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
125 struct wireless_dev *wdev,
126 const void *data, int data_len);
127 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
128 struct wireless_dev *wdev,
129 const void *data, int data_len);
130 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
131 struct wireless_dev *wdev,
132 const void *data, int data_len);
133 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
134 struct wireless_dev *wdev,
135 const void *data, int data_len);
136
137 /* vendor specific commands */
138 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
139 {
140 .info.vendor_id = QCA_NL80211_VENDOR_ID,
141 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
142 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
143 WIPHY_VENDOR_CMD_NEED_RUNNING,
144 .doit = wil_rf_sector_get_cfg
145 },
146 {
147 .info.vendor_id = QCA_NL80211_VENDOR_ID,
148 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
149 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
150 WIPHY_VENDOR_CMD_NEED_RUNNING,
151 .doit = wil_rf_sector_set_cfg
152 },
153 {
154 .info.vendor_id = QCA_NL80211_VENDOR_ID,
155 .info.subcmd =
156 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
157 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
158 WIPHY_VENDOR_CMD_NEED_RUNNING,
159 .doit = wil_rf_sector_get_selected
160 },
161 {
162 .info.vendor_id = QCA_NL80211_VENDOR_ID,
163 .info.subcmd =
164 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
165 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
166 WIPHY_VENDOR_CMD_NEED_RUNNING,
167 .doit = wil_rf_sector_set_selected
168 },
169 };
170
171 static struct ieee80211_supported_band wil_band_60ghz = {
172 .channels = wil_60ghz_channels,
173 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
174 .ht_cap = {
175 .ht_supported = true,
176 .cap = 0, /* TODO */
177 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
178 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
179 .mcs = {
180 /* MCS 1..12 - SC PHY */
181 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
182 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
183 },
184 },
185 };
186
187 static const struct ieee80211_txrx_stypes
188 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
189 [NL80211_IFTYPE_STATION] = {
190 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
191 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
192 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
193 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
194 },
195 [NL80211_IFTYPE_AP] = {
196 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
197 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
198 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
199 BIT(IEEE80211_STYPE_DISASSOC >> 4),
200 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
201 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
202 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
203 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
204 BIT(IEEE80211_STYPE_AUTH >> 4) |
205 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
206 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
207 },
208 [NL80211_IFTYPE_P2P_CLIENT] = {
209 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
210 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
211 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
212 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
213 },
214 [NL80211_IFTYPE_P2P_GO] = {
215 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
216 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
217 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
218 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
219 },
220 [NL80211_IFTYPE_P2P_DEVICE] = {
221 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
222 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
223 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
224 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
225 },
226 };
227
228 static const u32 wil_cipher_suites[] = {
229 WLAN_CIPHER_SUITE_GCMP,
230 };
231
232 static const char * const key_usage_str[] = {
233 [WMI_KEY_USE_PAIRWISE] = "PTK",
234 [WMI_KEY_USE_RX_GROUP] = "RX_GTK",
235 [WMI_KEY_USE_TX_GROUP] = "TX_GTK",
236 };
237
wil_iftype_nl2wmi(enum nl80211_iftype type)238 int wil_iftype_nl2wmi(enum nl80211_iftype type)
239 {
240 static const struct {
241 enum nl80211_iftype nl;
242 enum wmi_network_type wmi;
243 } __nl2wmi[] = {
244 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
245 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
246 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
247 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
248 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
249 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
250 };
251 uint i;
252
253 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
254 if (__nl2wmi[i].nl == type)
255 return __nl2wmi[i].wmi;
256 }
257
258 return -EOPNOTSUPP;
259 }
260
wil_cid_fill_sinfo(struct wil6210_priv * wil,int cid,struct station_info * sinfo)261 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
262 struct station_info *sinfo)
263 {
264 struct wmi_notify_req_cmd cmd = {
265 .cid = cid,
266 .interval_usec = 0,
267 };
268 struct {
269 struct wmi_cmd_hdr wmi;
270 struct wmi_notify_req_done_event evt;
271 } __packed reply;
272 struct wil_net_stats *stats = &wil->sta[cid].stats;
273 int rc;
274
275 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
276 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
277 if (rc)
278 return rc;
279
280 wil_dbg_wmi(wil, "Link status for CID %d: {\n"
281 " MCS %d TSF 0x%016llx\n"
282 " BF status 0x%08x RSSI %d SQI %d%%\n"
283 " Tx Tpt %d goodput %d Rx goodput %d\n"
284 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
285 cid, le16_to_cpu(reply.evt.bf_mcs),
286 le64_to_cpu(reply.evt.tsf), reply.evt.status,
287 reply.evt.rssi,
288 reply.evt.sqi,
289 le32_to_cpu(reply.evt.tx_tpt),
290 le32_to_cpu(reply.evt.tx_goodput),
291 le32_to_cpu(reply.evt.rx_goodput),
292 le16_to_cpu(reply.evt.my_rx_sector),
293 le16_to_cpu(reply.evt.my_tx_sector),
294 le16_to_cpu(reply.evt.other_rx_sector),
295 le16_to_cpu(reply.evt.other_tx_sector));
296
297 sinfo->generation = wil->sinfo_gen;
298
299 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
300 BIT(NL80211_STA_INFO_TX_BYTES) |
301 BIT(NL80211_STA_INFO_RX_PACKETS) |
302 BIT(NL80211_STA_INFO_TX_PACKETS) |
303 BIT(NL80211_STA_INFO_RX_BITRATE) |
304 BIT(NL80211_STA_INFO_TX_BITRATE) |
305 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
306 BIT(NL80211_STA_INFO_TX_FAILED);
307
308 sinfo->txrate.flags = RATE_INFO_FLAGS_60G;
309 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
310 sinfo->rxrate.mcs = stats->last_mcs_rx;
311 sinfo->rx_bytes = stats->rx_bytes;
312 sinfo->rx_packets = stats->rx_packets;
313 sinfo->rx_dropped_misc = stats->rx_dropped;
314 sinfo->tx_bytes = stats->tx_bytes;
315 sinfo->tx_packets = stats->tx_packets;
316 sinfo->tx_failed = stats->tx_errors;
317
318 if (test_bit(wil_status_fwconnected, wil->status)) {
319 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
320 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
321 wil->fw_capabilities))
322 sinfo->signal = reply.evt.rssi;
323 else
324 sinfo->signal = reply.evt.sqi;
325 }
326
327 return rc;
328 }
329
wil_cfg80211_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)330 static int wil_cfg80211_get_station(struct wiphy *wiphy,
331 struct net_device *ndev,
332 const u8 *mac, struct station_info *sinfo)
333 {
334 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
335 int rc;
336
337 int cid = wil_find_cid(wil, mac);
338
339 wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid);
340 if (cid < 0)
341 return cid;
342
343 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
344
345 return rc;
346 }
347
348 /*
349 * Find @idx-th active STA for station dump.
350 */
wil_find_cid_by_idx(struct wil6210_priv * wil,int idx)351 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
352 {
353 int i;
354
355 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
356 if (wil->sta[i].status == wil_sta_unused)
357 continue;
358 if (idx == 0)
359 return i;
360 idx--;
361 }
362
363 return -ENOENT;
364 }
365
wil_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)366 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
367 struct net_device *dev, int idx,
368 u8 *mac, struct station_info *sinfo)
369 {
370 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
371 int rc;
372 int cid = wil_find_cid_by_idx(wil, idx);
373
374 if (cid < 0)
375 return -ENOENT;
376
377 ether_addr_copy(mac, wil->sta[cid].addr);
378 wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid);
379
380 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
381
382 return rc;
383 }
384
wil_cfg80211_start_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)385 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
386 struct wireless_dev *wdev)
387 {
388 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
389
390 wil_dbg_misc(wil, "start_p2p_device: entered\n");
391 wil->p2p.p2p_dev_started = 1;
392 return 0;
393 }
394
wil_cfg80211_stop_p2p_device(struct wiphy * wiphy,struct wireless_dev * wdev)395 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
396 struct wireless_dev *wdev)
397 {
398 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
399 struct wil_p2p_info *p2p = &wil->p2p;
400
401 if (!p2p->p2p_dev_started)
402 return;
403
404 wil_dbg_misc(wil, "stop_p2p_device: entered\n");
405 mutex_lock(&wil->mutex);
406 mutex_lock(&wil->p2p_wdev_mutex);
407 wil_p2p_stop_radio_operations(wil);
408 p2p->p2p_dev_started = 0;
409 mutex_unlock(&wil->p2p_wdev_mutex);
410 mutex_unlock(&wil->mutex);
411 }
412
413 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)414 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
415 unsigned char name_assign_type,
416 enum nl80211_iftype type,
417 struct vif_params *params)
418 {
419 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
420 struct net_device *ndev = wil_to_ndev(wil);
421 struct wireless_dev *p2p_wdev;
422
423 wil_dbg_misc(wil, "add_iface\n");
424
425 if (type != NL80211_IFTYPE_P2P_DEVICE) {
426 wil_err(wil, "unsupported iftype %d\n", type);
427 return ERR_PTR(-EINVAL);
428 }
429
430 if (wil->p2p_wdev) {
431 wil_err(wil, "P2P_DEVICE interface already created\n");
432 return ERR_PTR(-EINVAL);
433 }
434
435 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
436 if (!p2p_wdev)
437 return ERR_PTR(-ENOMEM);
438
439 p2p_wdev->iftype = type;
440 p2p_wdev->wiphy = wiphy;
441 /* use our primary ethernet address */
442 ether_addr_copy(p2p_wdev->address, ndev->perm_addr);
443
444 wil->p2p_wdev = p2p_wdev;
445
446 return p2p_wdev;
447 }
448
wil_cfg80211_del_iface(struct wiphy * wiphy,struct wireless_dev * wdev)449 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
450 struct wireless_dev *wdev)
451 {
452 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
453
454 wil_dbg_misc(wil, "del_iface\n");
455
456 if (wdev != wil->p2p_wdev) {
457 wil_err(wil, "delete of incorrect interface 0x%p\n", wdev);
458 return -EINVAL;
459 }
460
461 wil_cfg80211_stop_p2p_device(wiphy, wdev);
462 wil_p2p_wdev_free(wil);
463
464 return 0;
465 }
466
wil_cfg80211_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)467 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
468 struct net_device *ndev,
469 enum nl80211_iftype type,
470 struct vif_params *params)
471 {
472 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
473 struct wireless_dev *wdev = wil_to_wdev(wil);
474 int rc;
475
476 wil_dbg_misc(wil, "change_iface: type=%d\n", type);
477
478 if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) {
479 wil_dbg_misc(wil, "interface is up. resetting...\n");
480 mutex_lock(&wil->mutex);
481 __wil_down(wil);
482 rc = __wil_up(wil);
483 mutex_unlock(&wil->mutex);
484
485 if (rc)
486 return rc;
487 }
488
489 switch (type) {
490 case NL80211_IFTYPE_STATION:
491 case NL80211_IFTYPE_AP:
492 case NL80211_IFTYPE_P2P_CLIENT:
493 case NL80211_IFTYPE_P2P_GO:
494 break;
495 case NL80211_IFTYPE_MONITOR:
496 if (params->flags)
497 wil->monitor_flags = params->flags;
498 break;
499 default:
500 return -EOPNOTSUPP;
501 }
502
503 wdev->iftype = type;
504
505 return 0;
506 }
507
wil_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)508 static int wil_cfg80211_scan(struct wiphy *wiphy,
509 struct cfg80211_scan_request *request)
510 {
511 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
512 struct wireless_dev *wdev = request->wdev;
513 struct {
514 struct wmi_start_scan_cmd cmd;
515 u16 chnl[4];
516 } __packed cmd;
517 uint i, n;
518 int rc;
519
520 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
521
522 /* check we are client side */
523 switch (wdev->iftype) {
524 case NL80211_IFTYPE_STATION:
525 case NL80211_IFTYPE_P2P_CLIENT:
526 case NL80211_IFTYPE_P2P_DEVICE:
527 break;
528 default:
529 return -EOPNOTSUPP;
530 }
531
532 /* FW don't support scan after connection attempt */
533 if (test_bit(wil_status_dontscan, wil->status)) {
534 wil_err(wil, "Can't scan now\n");
535 return -EBUSY;
536 }
537
538 mutex_lock(&wil->mutex);
539
540 mutex_lock(&wil->p2p_wdev_mutex);
541 if (wil->scan_request || wil->p2p.discovery_started) {
542 wil_err(wil, "Already scanning\n");
543 mutex_unlock(&wil->p2p_wdev_mutex);
544 rc = -EAGAIN;
545 goto out;
546 }
547 mutex_unlock(&wil->p2p_wdev_mutex);
548
549 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
550 if (!wil->p2p.p2p_dev_started) {
551 wil_err(wil, "P2P search requested on stopped P2P device\n");
552 rc = -EIO;
553 goto out;
554 }
555 /* social scan on P2P_DEVICE is handled as p2p search */
556 if (wil_p2p_is_social_scan(request)) {
557 wil->scan_request = request;
558 wil->radio_wdev = wdev;
559 rc = wil_p2p_search(wil, request);
560 if (rc) {
561 wil->radio_wdev = wil_to_wdev(wil);
562 wil->scan_request = NULL;
563 }
564 goto out;
565 }
566 }
567
568 (void)wil_p2p_stop_discovery(wil);
569
570 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
571 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
572
573 for (i = 0; i < request->n_ssids; i++) {
574 wil_dbg_misc(wil, "SSID[%d]", i);
575 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
576 request->ssids[i].ssid,
577 request->ssids[i].ssid_len, true);
578 }
579
580 if (request->n_ssids)
581 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
582 request->ssids[0].ssid);
583 else
584 rc = wmi_set_ssid(wil, 0, NULL);
585
586 if (rc) {
587 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
588 goto out;
589 }
590
591 wil->scan_request = request;
592 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
593
594 memset(&cmd, 0, sizeof(cmd));
595 cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
596 cmd.cmd.num_channels = 0;
597 n = min(request->n_channels, 4U);
598 for (i = 0; i < n; i++) {
599 int ch = request->channels[i]->hw_value;
600
601 if (ch == 0) {
602 wil_err(wil,
603 "Scan requested for unknown frequency %dMhz\n",
604 request->channels[i]->center_freq);
605 continue;
606 }
607 /* 0-based channel indexes */
608 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
609 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
610 request->channels[i]->center_freq);
611 }
612
613 if (request->ie_len)
614 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
615 request->ie, request->ie_len, true);
616 else
617 wil_dbg_misc(wil, "Scan has no IE's\n");
618
619 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
620 if (rc)
621 goto out_restore;
622
623 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
624 cmd.cmd.discovery_mode = 1;
625 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
626 }
627
628 wil->radio_wdev = wdev;
629 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
630 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
631
632 out_restore:
633 if (rc) {
634 del_timer_sync(&wil->scan_timer);
635 wil->radio_wdev = wil_to_wdev(wil);
636 wil->scan_request = NULL;
637 }
638 out:
639 mutex_unlock(&wil->mutex);
640 return rc;
641 }
642
wil_cfg80211_abort_scan(struct wiphy * wiphy,struct wireless_dev * wdev)643 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
644 struct wireless_dev *wdev)
645 {
646 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
647
648 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
649
650 mutex_lock(&wil->mutex);
651 mutex_lock(&wil->p2p_wdev_mutex);
652
653 if (!wil->scan_request)
654 goto out;
655
656 if (wdev != wil->scan_request->wdev) {
657 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
658 goto out;
659 }
660
661 if (wil->radio_wdev == wil->p2p_wdev)
662 wil_p2p_stop_radio_operations(wil);
663 else
664 wil_abort_scan(wil, true);
665
666 out:
667 mutex_unlock(&wil->p2p_wdev_mutex);
668 mutex_unlock(&wil->mutex);
669 }
670
wil_print_crypto(struct wil6210_priv * wil,struct cfg80211_crypto_settings * c)671 static void wil_print_crypto(struct wil6210_priv *wil,
672 struct cfg80211_crypto_settings *c)
673 {
674 int i, n;
675
676 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
677 c->wpa_versions, c->cipher_group);
678 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
679 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
680 for (i = 0; i < n; i++)
681 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
682 c->ciphers_pairwise[i]);
683 wil_dbg_misc(wil, "}\n");
684 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
685 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
686 for (i = 0; i < n; i++)
687 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
688 c->akm_suites[i]);
689 wil_dbg_misc(wil, "}\n");
690 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
691 c->control_port, be16_to_cpu(c->control_port_ethertype),
692 c->control_port_no_encrypt);
693 }
694
wil_print_connect_params(struct wil6210_priv * wil,struct cfg80211_connect_params * sme)695 static void wil_print_connect_params(struct wil6210_priv *wil,
696 struct cfg80211_connect_params *sme)
697 {
698 wil_info(wil, "Connecting to:\n");
699 if (sme->channel) {
700 wil_info(wil, " Channel: %d freq %d\n",
701 sme->channel->hw_value, sme->channel->center_freq);
702 }
703 if (sme->bssid)
704 wil_info(wil, " BSSID: %pM\n", sme->bssid);
705 if (sme->ssid)
706 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
707 16, 1, sme->ssid, sme->ssid_len, true);
708 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
709 wil_info(wil, " PBSS: %d\n", sme->pbss);
710 wil_print_crypto(wil, &sme->crypto);
711 }
712
wil_cfg80211_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)713 static int wil_cfg80211_connect(struct wiphy *wiphy,
714 struct net_device *ndev,
715 struct cfg80211_connect_params *sme)
716 {
717 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
718 struct cfg80211_bss *bss;
719 struct wmi_connect_cmd conn;
720 const u8 *ssid_eid;
721 const u8 *rsn_eid;
722 int ch;
723 int rc = 0;
724 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
725
726 wil_dbg_misc(wil, "connect\n");
727 wil_print_connect_params(wil, sme);
728
729 if (test_bit(wil_status_fwconnecting, wil->status) ||
730 test_bit(wil_status_fwconnected, wil->status))
731 return -EALREADY;
732
733 if (sme->ie_len > WMI_MAX_IE_LEN) {
734 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
735 return -ERANGE;
736 }
737
738 rsn_eid = sme->ie ?
739 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
740 NULL;
741 if (sme->privacy && !rsn_eid)
742 wil_info(wil, "WSC connection\n");
743
744 if (sme->pbss)
745 bss_type = IEEE80211_BSS_TYPE_PBSS;
746
747 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
748 sme->ssid, sme->ssid_len,
749 bss_type, IEEE80211_PRIVACY_ANY);
750 if (!bss) {
751 wil_err(wil, "Unable to find BSS\n");
752 return -ENOENT;
753 }
754
755 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
756 if (!ssid_eid) {
757 wil_err(wil, "No SSID\n");
758 rc = -ENOENT;
759 goto out;
760 }
761 wil->privacy = sme->privacy;
762 wil->pbss = sme->pbss;
763
764 if (wil->privacy) {
765 /* For secure assoc, remove old keys */
766 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
767 WMI_KEY_USE_PAIRWISE);
768 if (rc) {
769 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
770 goto out;
771 }
772 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
773 WMI_KEY_USE_RX_GROUP);
774 if (rc) {
775 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
776 goto out;
777 }
778 }
779
780 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
781 * elements. Send it also in case it's empty, to erase previously set
782 * ies in FW.
783 */
784 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
785 if (rc)
786 goto out;
787
788 /* WMI_CONNECT_CMD */
789 memset(&conn, 0, sizeof(conn));
790 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
791 case WLAN_CAPABILITY_DMG_TYPE_AP:
792 conn.network_type = WMI_NETTYPE_INFRA;
793 break;
794 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
795 conn.network_type = WMI_NETTYPE_P2P;
796 break;
797 default:
798 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
799 bss->capability);
800 goto out;
801 }
802 if (wil->privacy) {
803 if (rsn_eid) { /* regular secure connection */
804 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
805 conn.auth_mode = WMI_AUTH_WPA2_PSK;
806 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
807 conn.pairwise_crypto_len = 16;
808 conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
809 conn.group_crypto_len = 16;
810 } else { /* WSC */
811 conn.dot11_auth_mode = WMI_AUTH11_WSC;
812 conn.auth_mode = WMI_AUTH_NONE;
813 }
814 } else { /* insecure connection */
815 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
816 conn.auth_mode = WMI_AUTH_NONE;
817 }
818
819 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
820 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
821
822 ch = bss->channel->hw_value;
823 if (ch == 0) {
824 wil_err(wil, "BSS at unknown frequency %dMhz\n",
825 bss->channel->center_freq);
826 rc = -EOPNOTSUPP;
827 goto out;
828 }
829 conn.channel = ch - 1;
830
831 ether_addr_copy(conn.bssid, bss->bssid);
832 ether_addr_copy(conn.dst_mac, bss->bssid);
833
834 set_bit(wil_status_fwconnecting, wil->status);
835
836 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
837 if (rc == 0) {
838 netif_carrier_on(ndev);
839 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
840 wil->bss = bss;
841 /* Connect can take lots of time */
842 mod_timer(&wil->connect_timer,
843 jiffies + msecs_to_jiffies(5000));
844 } else {
845 clear_bit(wil_status_fwconnecting, wil->status);
846 }
847
848 out:
849 cfg80211_put_bss(wiphy, bss);
850
851 return rc;
852 }
853
wil_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)854 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
855 struct net_device *ndev,
856 u16 reason_code)
857 {
858 int rc;
859 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
860
861 wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code);
862
863 if (!(test_bit(wil_status_fwconnecting, wil->status) ||
864 test_bit(wil_status_fwconnected, wil->status))) {
865 wil_err(wil, "Disconnect was called while disconnected\n");
866 return 0;
867 }
868
869 wil->locally_generated_disc = true;
870 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0,
871 WMI_DISCONNECT_EVENTID, NULL, 0,
872 WIL6210_DISCONNECT_TO_MS);
873 if (rc)
874 wil_err(wil, "disconnect error %d\n", rc);
875
876 return rc;
877 }
878
wil_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)879 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
880 {
881 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
882 int rc;
883
884 /* these parameters are explicitly not supported */
885 if (changed & (WIPHY_PARAM_RETRY_LONG |
886 WIPHY_PARAM_FRAG_THRESHOLD |
887 WIPHY_PARAM_RTS_THRESHOLD))
888 return -ENOTSUPP;
889
890 if (changed & WIPHY_PARAM_RETRY_SHORT) {
891 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
892 if (rc)
893 return rc;
894 }
895
896 return 0;
897 }
898
wil_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)899 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
900 struct cfg80211_mgmt_tx_params *params,
901 u64 *cookie)
902 {
903 const u8 *buf = params->buf;
904 size_t len = params->len;
905 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
906 int rc;
907 bool tx_status = false;
908 struct ieee80211_mgmt *mgmt_frame = (void *)buf;
909 struct wmi_sw_tx_req_cmd *cmd;
910 struct {
911 struct wmi_cmd_hdr wmi;
912 struct wmi_sw_tx_complete_event evt;
913 } __packed evt;
914
915 /* Note, currently we do not support the "wait" parameter, user-space
916 * must call remain_on_channel before mgmt_tx or listen on a channel
917 * another way (AP/PCP or connected station)
918 * in addition we need to check if specified "chan" argument is
919 * different from currently "listened" channel and fail if it is.
920 */
921
922 wil_dbg_misc(wil, "mgmt_tx\n");
923 wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf,
924 len, true);
925
926 if (len < sizeof(struct ieee80211_hdr_3addr))
927 return -EINVAL;
928
929 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
930 if (!cmd) {
931 rc = -ENOMEM;
932 goto out;
933 }
934
935 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
936 cmd->len = cpu_to_le16(len);
937 memcpy(cmd->payload, buf, len);
938
939 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
940 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
941 if (rc == 0)
942 tx_status = !evt.evt.status;
943
944 kfree(cmd);
945 out:
946 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
947 tx_status, GFP_KERNEL);
948 return rc;
949 }
950
wil_cfg80211_set_channel(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)951 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
952 struct cfg80211_chan_def *chandef)
953 {
954 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
955 struct wireless_dev *wdev = wil_to_wdev(wil);
956
957 wdev->preset_chandef = *chandef;
958
959 return 0;
960 }
961
wil_detect_key_usage(struct wil6210_priv * wil,bool pairwise)962 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
963 bool pairwise)
964 {
965 struct wireless_dev *wdev = wil_to_wdev(wil);
966 enum wmi_key_usage rc;
967
968 if (pairwise) {
969 rc = WMI_KEY_USE_PAIRWISE;
970 } else {
971 switch (wdev->iftype) {
972 case NL80211_IFTYPE_STATION:
973 case NL80211_IFTYPE_P2P_CLIENT:
974 rc = WMI_KEY_USE_RX_GROUP;
975 break;
976 case NL80211_IFTYPE_AP:
977 case NL80211_IFTYPE_P2P_GO:
978 rc = WMI_KEY_USE_TX_GROUP;
979 break;
980 default:
981 /* TODO: Rx GTK or Tx GTK? */
982 wil_err(wil, "Can't determine GTK type\n");
983 rc = WMI_KEY_USE_RX_GROUP;
984 break;
985 }
986 }
987 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
988
989 return rc;
990 }
991
992 static struct wil_sta_info *
wil_find_sta_by_key_usage(struct wil6210_priv * wil,enum wmi_key_usage key_usage,const u8 * mac_addr)993 wil_find_sta_by_key_usage(struct wil6210_priv *wil,
994 enum wmi_key_usage key_usage, const u8 *mac_addr)
995 {
996 int cid = -EINVAL;
997
998 if (key_usage == WMI_KEY_USE_TX_GROUP)
999 return NULL; /* not needed */
1000
1001 /* supplicant provides Rx group key in STA mode with NULL MAC address */
1002 if (mac_addr)
1003 cid = wil_find_cid(wil, mac_addr);
1004 else if (key_usage == WMI_KEY_USE_RX_GROUP)
1005 cid = wil_find_cid_by_idx(wil, 0);
1006 if (cid < 0) {
1007 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1008 key_usage_str[key_usage]);
1009 return ERR_PTR(cid);
1010 }
1011
1012 return &wil->sta[cid];
1013 }
1014
wil_set_crypto_rx(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs,struct key_params * params)1015 static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1016 struct wil_sta_info *cs,
1017 struct key_params *params)
1018 {
1019 struct wil_tid_crypto_rx_single *cc;
1020 int tid;
1021
1022 if (!cs)
1023 return;
1024
1025 switch (key_usage) {
1026 case WMI_KEY_USE_PAIRWISE:
1027 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1028 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1029 if (params->seq)
1030 memcpy(cc->pn, params->seq,
1031 IEEE80211_GCMP_PN_LEN);
1032 else
1033 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1034 cc->key_set = true;
1035 }
1036 break;
1037 case WMI_KEY_USE_RX_GROUP:
1038 cc = &cs->group_crypto_rx.key_id[key_index];
1039 if (params->seq)
1040 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1041 else
1042 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1043 cc->key_set = true;
1044 break;
1045 default:
1046 break;
1047 }
1048 }
1049
wil_del_rx_key(u8 key_index,enum wmi_key_usage key_usage,struct wil_sta_info * cs)1050 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1051 struct wil_sta_info *cs)
1052 {
1053 struct wil_tid_crypto_rx_single *cc;
1054 int tid;
1055
1056 if (!cs)
1057 return;
1058
1059 switch (key_usage) {
1060 case WMI_KEY_USE_PAIRWISE:
1061 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1062 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1063 cc->key_set = false;
1064 }
1065 break;
1066 case WMI_KEY_USE_RX_GROUP:
1067 cc = &cs->group_crypto_rx.key_id[key_index];
1068 cc->key_set = false;
1069 break;
1070 default:
1071 break;
1072 }
1073 }
1074
wil_cfg80211_add_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)1075 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1076 struct net_device *ndev,
1077 u8 key_index, bool pairwise,
1078 const u8 *mac_addr,
1079 struct key_params *params)
1080 {
1081 int rc;
1082 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1083 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
1084 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage,
1085 mac_addr);
1086
1087 if (!params) {
1088 wil_err(wil, "NULL params\n");
1089 return -EINVAL;
1090 }
1091
1092 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1093 mac_addr, key_usage_str[key_usage], key_index,
1094 params->seq_len, params->seq);
1095
1096 if (IS_ERR(cs)) {
1097 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1098 mac_addr, key_usage_str[key_usage], key_index,
1099 params->seq_len, params->seq);
1100 return -EINVAL;
1101 }
1102
1103 wil_del_rx_key(key_index, key_usage, cs);
1104
1105 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1106 wil_err(wil,
1107 "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1108 params->seq_len, mac_addr,
1109 key_usage_str[key_usage], key_index,
1110 params->seq_len, params->seq);
1111 return -EINVAL;
1112 }
1113
1114 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
1115 params->key, key_usage);
1116 if (!rc)
1117 wil_set_crypto_rx(key_index, key_usage, cs, params);
1118
1119 return rc;
1120 }
1121
wil_cfg80211_del_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr)1122 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1123 struct net_device *ndev,
1124 u8 key_index, bool pairwise,
1125 const u8 *mac_addr)
1126 {
1127 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1128 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
1129 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage,
1130 mac_addr);
1131
1132 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1133 key_usage_str[key_usage], key_index);
1134
1135 if (IS_ERR(cs))
1136 wil_info(wil, "Not connected, %pM %s[%d]\n",
1137 mac_addr, key_usage_str[key_usage], key_index);
1138
1139 if (!IS_ERR_OR_NULL(cs))
1140 wil_del_rx_key(key_index, key_usage, cs);
1141
1142 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
1143 }
1144
1145 /* 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)1146 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1147 struct net_device *ndev,
1148 u8 key_index, bool unicast,
1149 bool multicast)
1150 {
1151 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1152
1153 wil_dbg_misc(wil, "set_default_key: entered\n");
1154 return 0;
1155 }
1156
wil_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)1157 static int wil_remain_on_channel(struct wiphy *wiphy,
1158 struct wireless_dev *wdev,
1159 struct ieee80211_channel *chan,
1160 unsigned int duration,
1161 u64 *cookie)
1162 {
1163 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1164 int rc;
1165
1166 wil_dbg_misc(wil,
1167 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1168 chan->center_freq, duration, wdev->iftype);
1169
1170 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1171 return rc;
1172 }
1173
wil_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)1174 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1175 struct wireless_dev *wdev,
1176 u64 cookie)
1177 {
1178 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1179
1180 wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1181
1182 return wil_p2p_cancel_listen(wil, cookie);
1183 }
1184
1185 /**
1186 * find a specific IE in a list of IEs
1187 * return a pointer to the beginning of IE in the list
1188 * or NULL if not found
1189 */
_wil_cfg80211_find_ie(const u8 * ies,u16 ies_len,const u8 * ie,u16 ie_len)1190 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1191 u16 ie_len)
1192 {
1193 struct ieee80211_vendor_ie *vie;
1194 u32 oui;
1195
1196 /* IE tag at offset 0, length at offset 1 */
1197 if (ie_len < 2 || 2 + ie[1] > ie_len)
1198 return NULL;
1199
1200 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1201 return cfg80211_find_ie(ie[0], ies, ies_len);
1202
1203 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1204 if (ie[1] < 4)
1205 return NULL;
1206 vie = (struct ieee80211_vendor_ie *)ie;
1207 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1208 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1209 ies_len);
1210 }
1211
1212 /**
1213 * merge the IEs in two lists into a single list.
1214 * do not include IEs from the second list which exist in the first list.
1215 * add only vendor specific IEs from second list to keep
1216 * the merged list sorted (since vendor-specific IE has the
1217 * highest tag number)
1218 * caller must free the allocated memory for merged IEs
1219 */
_wil_cfg80211_merge_extra_ies(const u8 * ies1,u16 ies1_len,const u8 * ies2,u16 ies2_len,u8 ** merged_ies,u16 * merged_len)1220 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1221 const u8 *ies2, u16 ies2_len,
1222 u8 **merged_ies, u16 *merged_len)
1223 {
1224 u8 *buf, *dpos;
1225 const u8 *spos;
1226
1227 if (!ies1)
1228 ies1_len = 0;
1229
1230 if (!ies2)
1231 ies2_len = 0;
1232
1233 if (ies1_len == 0 && ies2_len == 0) {
1234 *merged_ies = NULL;
1235 *merged_len = 0;
1236 return 0;
1237 }
1238
1239 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1240 if (!buf)
1241 return -ENOMEM;
1242 if (ies1)
1243 memcpy(buf, ies1, ies1_len);
1244 dpos = buf + ies1_len;
1245 spos = ies2;
1246 while (spos && (spos + 1 < ies2 + ies2_len)) {
1247 /* IE tag at offset 0, length at offset 1 */
1248 u16 ielen = 2 + spos[1];
1249
1250 if (spos + ielen > ies2 + ies2_len)
1251 break;
1252 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1253 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
1254 spos, ielen))) {
1255 memcpy(dpos, spos, ielen);
1256 dpos += ielen;
1257 }
1258 spos += ielen;
1259 }
1260
1261 *merged_ies = buf;
1262 *merged_len = dpos - buf;
1263 return 0;
1264 }
1265
wil_print_bcon_data(struct cfg80211_beacon_data * b)1266 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1267 {
1268 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1,
1269 b->head, b->head_len, true);
1270 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1,
1271 b->tail, b->tail_len, true);
1272 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1,
1273 b->beacon_ies, b->beacon_ies_len, true);
1274 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1,
1275 b->probe_resp, b->probe_resp_len, true);
1276 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1277 b->proberesp_ies, b->proberesp_ies_len, true);
1278 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1279 b->assocresp_ies, b->assocresp_ies_len, true);
1280 }
1281
1282 /* internal functions for device reset and starting AP */
_wil_cfg80211_set_ies(struct wiphy * wiphy,struct cfg80211_beacon_data * bcon)1283 static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
1284 struct cfg80211_beacon_data *bcon)
1285 {
1286 int rc;
1287 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1288 u16 len = 0, proberesp_len = 0;
1289 u8 *ies = NULL, *proberesp = NULL;
1290
1291 if (bcon->probe_resp) {
1292 struct ieee80211_mgmt *f =
1293 (struct ieee80211_mgmt *)bcon->probe_resp;
1294 size_t hlen = offsetof(struct ieee80211_mgmt,
1295 u.probe_resp.variable);
1296 proberesp = f->u.probe_resp.variable;
1297 proberesp_len = bcon->probe_resp_len - hlen;
1298 }
1299 rc = _wil_cfg80211_merge_extra_ies(proberesp,
1300 proberesp_len,
1301 bcon->proberesp_ies,
1302 bcon->proberesp_ies_len,
1303 &ies, &len);
1304
1305 if (rc)
1306 goto out;
1307
1308 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies);
1309 if (rc)
1310 goto out;
1311
1312 if (bcon->assocresp_ies)
1313 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
1314 bcon->assocresp_ies_len, bcon->assocresp_ies);
1315 else
1316 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies);
1317 #if 0 /* to use beacon IE's, remove this #if 0 */
1318 if (rc)
1319 goto out;
1320
1321 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
1322 #endif
1323 out:
1324 kfree(ies);
1325 return rc;
1326 }
1327
_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)1328 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1329 struct net_device *ndev,
1330 const u8 *ssid, size_t ssid_len, u32 privacy,
1331 int bi, u8 chan,
1332 struct cfg80211_beacon_data *bcon,
1333 u8 hidden_ssid, u32 pbss)
1334 {
1335 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1336 int rc;
1337 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1338 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1339 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1340
1341 if (pbss)
1342 wmi_nettype = WMI_NETTYPE_P2P;
1343
1344 wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go);
1345 if (is_go && !pbss) {
1346 wil_err(wil, "P2P GO must be in PBSS\n");
1347 return -ENOTSUPP;
1348 }
1349
1350 wil_set_recovery_state(wil, fw_recovery_idle);
1351
1352 mutex_lock(&wil->mutex);
1353
1354 __wil_down(wil);
1355 rc = __wil_up(wil);
1356 if (rc)
1357 goto out;
1358
1359 rc = wmi_set_ssid(wil, ssid_len, ssid);
1360 if (rc)
1361 goto out;
1362
1363 rc = _wil_cfg80211_set_ies(wiphy, bcon);
1364 if (rc)
1365 goto out;
1366
1367 wil->privacy = privacy;
1368 wil->channel = chan;
1369 wil->hidden_ssid = hidden_ssid;
1370 wil->pbss = pbss;
1371
1372 netif_carrier_on(ndev);
1373 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1374
1375 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go);
1376 if (rc)
1377 goto err_pcp_start;
1378
1379 rc = wil_bcast_init(wil);
1380 if (rc)
1381 goto err_bcast;
1382
1383 goto out; /* success */
1384
1385 err_bcast:
1386 wmi_pcp_stop(wil);
1387 err_pcp_start:
1388 netif_carrier_off(ndev);
1389 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1390 out:
1391 mutex_unlock(&wil->mutex);
1392 return rc;
1393 }
1394
wil_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * bcon)1395 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
1396 struct net_device *ndev,
1397 struct cfg80211_beacon_data *bcon)
1398 {
1399 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1400 int rc;
1401 u32 privacy = 0;
1402
1403 wil_dbg_misc(wil, "change_beacon\n");
1404 wil_print_bcon_data(bcon);
1405
1406 if (bcon->tail &&
1407 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
1408 bcon->tail_len))
1409 privacy = 1;
1410
1411 /* in case privacy has changed, need to restart the AP */
1412 if (wil->privacy != privacy) {
1413 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1414
1415 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
1416 wil->privacy, privacy);
1417
1418 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
1419 wdev->ssid_len, privacy,
1420 wdev->beacon_interval,
1421 wil->channel, bcon,
1422 wil->hidden_ssid,
1423 wil->pbss);
1424 } else {
1425 rc = _wil_cfg80211_set_ies(wiphy, bcon);
1426 }
1427
1428 return rc;
1429 }
1430
wil_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * info)1431 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
1432 struct net_device *ndev,
1433 struct cfg80211_ap_settings *info)
1434 {
1435 int rc;
1436 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1437 struct ieee80211_channel *channel = info->chandef.chan;
1438 struct cfg80211_beacon_data *bcon = &info->beacon;
1439 struct cfg80211_crypto_settings *crypto = &info->crypto;
1440 u8 hidden_ssid;
1441
1442 wil_dbg_misc(wil, "start_ap\n");
1443
1444 if (!channel) {
1445 wil_err(wil, "AP: No channel???\n");
1446 return -EINVAL;
1447 }
1448
1449 switch (info->hidden_ssid) {
1450 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1451 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
1452 break;
1453
1454 case NL80211_HIDDEN_SSID_ZERO_LEN:
1455 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
1456 break;
1457
1458 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1459 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
1460 break;
1461
1462 default:
1463 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
1464 return -EOPNOTSUPP;
1465 }
1466 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
1467 channel->center_freq, info->privacy ? "secure" : "open");
1468 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
1469 info->privacy, info->auth_type);
1470 wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
1471 info->hidden_ssid);
1472 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
1473 info->dtim_period);
1474 wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
1475 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
1476 info->ssid, info->ssid_len, true);
1477 wil_print_bcon_data(bcon);
1478 wil_print_crypto(wil, crypto);
1479
1480 rc = _wil_cfg80211_start_ap(wiphy, ndev,
1481 info->ssid, info->ssid_len, info->privacy,
1482 info->beacon_interval, channel->hw_value,
1483 bcon, hidden_ssid, info->pbss);
1484
1485 return rc;
1486 }
1487
wil_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * ndev)1488 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
1489 struct net_device *ndev)
1490 {
1491 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1492
1493 wil_dbg_misc(wil, "stop_ap\n");
1494
1495 netif_carrier_off(ndev);
1496 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1497 wil_set_recovery_state(wil, fw_recovery_idle);
1498
1499 set_bit(wil_status_resetting, wil->status);
1500
1501 mutex_lock(&wil->mutex);
1502
1503 wmi_pcp_stop(wil);
1504
1505 __wil_down(wil);
1506
1507 mutex_unlock(&wil->mutex);
1508
1509 return 0;
1510 }
1511
wil_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1512 static int wil_cfg80211_add_station(struct wiphy *wiphy,
1513 struct net_device *dev,
1514 const u8 *mac,
1515 struct station_parameters *params)
1516 {
1517 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1518
1519 wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid);
1520
1521 if (!disable_ap_sme) {
1522 wil_err(wil, "not supported with AP SME enabled\n");
1523 return -EOPNOTSUPP;
1524 }
1525
1526 if (params->aid > WIL_MAX_DMG_AID) {
1527 wil_err(wil, "invalid aid\n");
1528 return -EINVAL;
1529 }
1530
1531 return wmi_new_sta(wil, mac, params->aid);
1532 }
1533
wil_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1534 static int wil_cfg80211_del_station(struct wiphy *wiphy,
1535 struct net_device *dev,
1536 struct station_del_parameters *params)
1537 {
1538 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1539
1540 wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac,
1541 params->reason_code);
1542
1543 mutex_lock(&wil->mutex);
1544 wil6210_disconnect(wil, params->mac, params->reason_code, false);
1545 mutex_unlock(&wil->mutex);
1546
1547 return 0;
1548 }
1549
wil_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1550 static int wil_cfg80211_change_station(struct wiphy *wiphy,
1551 struct net_device *dev,
1552 const u8 *mac,
1553 struct station_parameters *params)
1554 {
1555 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1556 int authorize;
1557 int cid, i;
1558 struct vring_tx_data *txdata = NULL;
1559
1560 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac,
1561 params->sta_flags_mask, params->sta_flags_set);
1562
1563 if (!disable_ap_sme) {
1564 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
1565 return -EOPNOTSUPP;
1566 }
1567
1568 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
1569 return 0;
1570
1571 cid = wil_find_cid(wil, mac);
1572 if (cid < 0) {
1573 wil_err(wil, "station not found\n");
1574 return -ENOLINK;
1575 }
1576
1577 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++)
1578 if (wil->vring2cid_tid[i][0] == cid) {
1579 txdata = &wil->vring_tx_data[i];
1580 break;
1581 }
1582
1583 if (!txdata) {
1584 wil_err(wil, "vring data not found\n");
1585 return -ENOLINK;
1586 }
1587
1588 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
1589 txdata->dot1x_open = authorize ? 1 : 0;
1590 wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i,
1591 txdata->dot1x_open);
1592
1593 return 0;
1594 }
1595
1596 /* probe_client handling */
wil_probe_client_handle(struct wil6210_priv * wil,struct wil_probe_client_req * req)1597 static void wil_probe_client_handle(struct wil6210_priv *wil,
1598 struct wil_probe_client_req *req)
1599 {
1600 struct net_device *ndev = wil_to_ndev(wil);
1601 struct wil_sta_info *sta = &wil->sta[req->cid];
1602 /* assume STA is alive if it is still connected,
1603 * else FW will disconnect it
1604 */
1605 bool alive = (sta->status == wil_sta_connected);
1606
1607 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
1608 }
1609
next_probe_client(struct wil6210_priv * wil)1610 static struct list_head *next_probe_client(struct wil6210_priv *wil)
1611 {
1612 struct list_head *ret = NULL;
1613
1614 mutex_lock(&wil->probe_client_mutex);
1615
1616 if (!list_empty(&wil->probe_client_pending)) {
1617 ret = wil->probe_client_pending.next;
1618 list_del(ret);
1619 }
1620
1621 mutex_unlock(&wil->probe_client_mutex);
1622
1623 return ret;
1624 }
1625
wil_probe_client_worker(struct work_struct * work)1626 void wil_probe_client_worker(struct work_struct *work)
1627 {
1628 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1629 probe_client_worker);
1630 struct wil_probe_client_req *req;
1631 struct list_head *lh;
1632
1633 while ((lh = next_probe_client(wil)) != NULL) {
1634 req = list_entry(lh, struct wil_probe_client_req, list);
1635
1636 wil_probe_client_handle(wil, req);
1637 kfree(req);
1638 }
1639 }
1640
wil_probe_client_flush(struct wil6210_priv * wil)1641 void wil_probe_client_flush(struct wil6210_priv *wil)
1642 {
1643 struct wil_probe_client_req *req, *t;
1644
1645 wil_dbg_misc(wil, "probe_client_flush\n");
1646
1647 mutex_lock(&wil->probe_client_mutex);
1648
1649 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) {
1650 list_del(&req->list);
1651 kfree(req);
1652 }
1653
1654 mutex_unlock(&wil->probe_client_mutex);
1655 }
1656
wil_cfg80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)1657 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
1658 struct net_device *dev,
1659 const u8 *peer, u64 *cookie)
1660 {
1661 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1662 struct wil_probe_client_req *req;
1663 int cid = wil_find_cid(wil, peer);
1664
1665 wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid);
1666
1667 if (cid < 0)
1668 return -ENOLINK;
1669
1670 req = kzalloc(sizeof(*req), GFP_KERNEL);
1671 if (!req)
1672 return -ENOMEM;
1673
1674 req->cid = cid;
1675 req->cookie = cid;
1676
1677 mutex_lock(&wil->probe_client_mutex);
1678 list_add_tail(&req->list, &wil->probe_client_pending);
1679 mutex_unlock(&wil->probe_client_mutex);
1680
1681 *cookie = req->cookie;
1682 queue_work(wil->wq_service, &wil->probe_client_worker);
1683 return 0;
1684 }
1685
wil_cfg80211_change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)1686 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
1687 struct net_device *dev,
1688 struct bss_parameters *params)
1689 {
1690 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1691
1692 if (params->ap_isolate >= 0) {
1693 wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n",
1694 wil->ap_isolate, params->ap_isolate);
1695 wil->ap_isolate = params->ap_isolate;
1696 }
1697
1698 return 0;
1699 }
1700
wil_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)1701 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1702 struct net_device *dev,
1703 bool enabled, int timeout)
1704 {
1705 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1706 enum wmi_ps_profile_type ps_profile;
1707
1708 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
1709 enabled, timeout);
1710
1711 if (enabled)
1712 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
1713 else
1714 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
1715
1716 return wil_ps_update(wil, ps_profile);
1717 }
1718
wil_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wow)1719 static int wil_cfg80211_suspend(struct wiphy *wiphy,
1720 struct cfg80211_wowlan *wow)
1721 {
1722 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1723 int rc;
1724
1725 /* Setting the wakeup trigger based on wow is TBD */
1726
1727 if (test_bit(wil_status_suspended, wil->status)) {
1728 wil_dbg_pm(wil, "trying to suspend while suspended\n");
1729 return 0;
1730 }
1731
1732 rc = wil_can_suspend(wil, false);
1733 if (rc)
1734 goto out;
1735
1736 wil_dbg_pm(wil, "suspending\n");
1737
1738 wil_p2p_stop_discovery(wil);
1739
1740 wil_abort_scan(wil, true);
1741
1742 out:
1743 return rc;
1744 }
1745
wil_cfg80211_resume(struct wiphy * wiphy)1746 static int wil_cfg80211_resume(struct wiphy *wiphy)
1747 {
1748 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1749
1750 wil_dbg_pm(wil, "resuming\n");
1751
1752 return 0;
1753 }
1754
1755 static const struct cfg80211_ops wil_cfg80211_ops = {
1756 .add_virtual_intf = wil_cfg80211_add_iface,
1757 .del_virtual_intf = wil_cfg80211_del_iface,
1758 .scan = wil_cfg80211_scan,
1759 .abort_scan = wil_cfg80211_abort_scan,
1760 .connect = wil_cfg80211_connect,
1761 .disconnect = wil_cfg80211_disconnect,
1762 .set_wiphy_params = wil_cfg80211_set_wiphy_params,
1763 .change_virtual_intf = wil_cfg80211_change_iface,
1764 .get_station = wil_cfg80211_get_station,
1765 .dump_station = wil_cfg80211_dump_station,
1766 .remain_on_channel = wil_remain_on_channel,
1767 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
1768 .mgmt_tx = wil_cfg80211_mgmt_tx,
1769 .set_monitor_channel = wil_cfg80211_set_channel,
1770 .add_key = wil_cfg80211_add_key,
1771 .del_key = wil_cfg80211_del_key,
1772 .set_default_key = wil_cfg80211_set_default_key,
1773 /* AP mode */
1774 .change_beacon = wil_cfg80211_change_beacon,
1775 .start_ap = wil_cfg80211_start_ap,
1776 .stop_ap = wil_cfg80211_stop_ap,
1777 .add_station = wil_cfg80211_add_station,
1778 .del_station = wil_cfg80211_del_station,
1779 .change_station = wil_cfg80211_change_station,
1780 .probe_client = wil_cfg80211_probe_client,
1781 .change_bss = wil_cfg80211_change_bss,
1782 /* P2P device */
1783 .start_p2p_device = wil_cfg80211_start_p2p_device,
1784 .stop_p2p_device = wil_cfg80211_stop_p2p_device,
1785 .set_power_mgmt = wil_cfg80211_set_power_mgmt,
1786 .suspend = wil_cfg80211_suspend,
1787 .resume = wil_cfg80211_resume,
1788 };
1789
wil_wiphy_init(struct wiphy * wiphy)1790 static void wil_wiphy_init(struct wiphy *wiphy)
1791 {
1792 wiphy->max_scan_ssids = 1;
1793 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
1794 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
1795 wiphy->max_num_pmkids = 0 /* TODO: */;
1796 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1797 BIT(NL80211_IFTYPE_AP) |
1798 BIT(NL80211_IFTYPE_P2P_CLIENT) |
1799 BIT(NL80211_IFTYPE_P2P_GO) |
1800 BIT(NL80211_IFTYPE_P2P_DEVICE) |
1801 BIT(NL80211_IFTYPE_MONITOR);
1802 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
1803 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1804 WIPHY_FLAG_PS_ON_BY_DEFAULT;
1805 if (!disable_ap_sme)
1806 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
1807 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
1808 __func__, wiphy->flags);
1809 wiphy->probe_resp_offload =
1810 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1811 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1812 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
1813
1814 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
1815
1816 /* may change after reading FW capabilities */
1817 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
1818
1819 wiphy->cipher_suites = wil_cipher_suites;
1820 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
1821 wiphy->mgmt_stypes = wil_mgmt_stypes;
1822 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
1823
1824 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
1825 wiphy->vendor_commands = wil_nl80211_vendor_commands;
1826
1827 #ifdef CONFIG_PM
1828 wiphy->wowlan = &wil_wowlan_support;
1829 #endif
1830 }
1831
wil_cfg80211_init(struct device * dev)1832 struct wireless_dev *wil_cfg80211_init(struct device *dev)
1833 {
1834 int rc = 0;
1835 struct wireless_dev *wdev;
1836
1837 dev_dbg(dev, "%s()\n", __func__);
1838
1839 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
1840 if (!wdev)
1841 return ERR_PTR(-ENOMEM);
1842
1843 wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
1844 sizeof(struct wil6210_priv));
1845 if (!wdev->wiphy) {
1846 rc = -ENOMEM;
1847 goto out;
1848 }
1849
1850 set_wiphy_dev(wdev->wiphy, dev);
1851 wil_wiphy_init(wdev->wiphy);
1852
1853 return wdev;
1854
1855 out:
1856 kfree(wdev);
1857
1858 return ERR_PTR(rc);
1859 }
1860
wil_wdev_free(struct wil6210_priv * wil)1861 void wil_wdev_free(struct wil6210_priv *wil)
1862 {
1863 struct wireless_dev *wdev = wil_to_wdev(wil);
1864
1865 dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
1866
1867 if (!wdev)
1868 return;
1869
1870 wiphy_free(wdev->wiphy);
1871 kfree(wdev);
1872 }
1873
wil_p2p_wdev_free(struct wil6210_priv * wil)1874 void wil_p2p_wdev_free(struct wil6210_priv *wil)
1875 {
1876 struct wireless_dev *p2p_wdev;
1877
1878 mutex_lock(&wil->p2p_wdev_mutex);
1879 p2p_wdev = wil->p2p_wdev;
1880 wil->p2p_wdev = NULL;
1881 wil->radio_wdev = wil_to_wdev(wil);
1882 mutex_unlock(&wil->p2p_wdev_mutex);
1883 if (p2p_wdev) {
1884 cfg80211_unregister_wdev(p2p_wdev);
1885 kfree(p2p_wdev);
1886 }
1887 }
1888
wil_rf_sector_status_to_rc(u8 status)1889 static int wil_rf_sector_status_to_rc(u8 status)
1890 {
1891 switch (status) {
1892 case WMI_RF_SECTOR_STATUS_SUCCESS:
1893 return 0;
1894 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
1895 return -EINVAL;
1896 case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
1897 return -EAGAIN;
1898 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
1899 return -EOPNOTSUPP;
1900 default:
1901 return -EINVAL;
1902 }
1903 }
1904
wil_rf_sector_get_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)1905 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
1906 struct wireless_dev *wdev,
1907 const void *data, int data_len)
1908 {
1909 struct wil6210_priv *wil = wdev_to_wil(wdev);
1910 int rc;
1911 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
1912 u16 sector_index;
1913 u8 sector_type;
1914 u32 rf_modules_vec;
1915 struct wmi_get_rf_sector_params_cmd cmd;
1916 struct {
1917 struct wmi_cmd_hdr wmi;
1918 struct wmi_get_rf_sector_params_done_event evt;
1919 } __packed reply;
1920 struct sk_buff *msg;
1921 struct nlattr *nl_cfgs, *nl_cfg;
1922 u32 i;
1923 struct wmi_rf_sector_info *si;
1924
1925 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
1926 return -EOPNOTSUPP;
1927
1928 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
1929 wil_rf_sector_policy, NULL);
1930 if (rc) {
1931 wil_err(wil, "Invalid rf sector ATTR\n");
1932 return rc;
1933 }
1934
1935 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
1936 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
1937 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
1938 wil_err(wil, "Invalid rf sector spec\n");
1939 return -EINVAL;
1940 }
1941
1942 sector_index = nla_get_u16(
1943 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
1944 if (sector_index >= WIL_MAX_RF_SECTORS) {
1945 wil_err(wil, "Invalid sector index %d\n", sector_index);
1946 return -EINVAL;
1947 }
1948
1949 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
1950 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
1951 wil_err(wil, "Invalid sector type %d\n", sector_type);
1952 return -EINVAL;
1953 }
1954
1955 rf_modules_vec = nla_get_u32(
1956 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
1957 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
1958 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
1959 return -EINVAL;
1960 }
1961
1962 cmd.sector_idx = cpu_to_le16(sector_index);
1963 cmd.sector_type = sector_type;
1964 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
1965 memset(&reply, 0, sizeof(reply));
1966 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, &cmd, sizeof(cmd),
1967 WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
1968 &reply, sizeof(reply),
1969 500);
1970 if (rc)
1971 return rc;
1972 if (reply.evt.status) {
1973 wil_err(wil, "get rf sector cfg failed with status %d\n",
1974 reply.evt.status);
1975 return wil_rf_sector_status_to_rc(reply.evt.status);
1976 }
1977
1978 msg = cfg80211_vendor_cmd_alloc_reply_skb(
1979 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
1980 if (!msg)
1981 return -ENOMEM;
1982
1983 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
1984 le64_to_cpu(reply.evt.tsf),
1985 QCA_ATTR_PAD))
1986 goto nla_put_failure;
1987
1988 nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
1989 if (!nl_cfgs)
1990 goto nla_put_failure;
1991 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
1992 if (!(rf_modules_vec & BIT(i)))
1993 continue;
1994 nl_cfg = nla_nest_start(msg, i);
1995 if (!nl_cfg)
1996 goto nla_put_failure;
1997 si = &reply.evt.sectors_info[i];
1998 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
1999 i) ||
2000 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2001 le32_to_cpu(si->etype0)) ||
2002 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2003 le32_to_cpu(si->etype1)) ||
2004 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2005 le32_to_cpu(si->etype2)) ||
2006 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2007 le32_to_cpu(si->psh_hi)) ||
2008 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2009 le32_to_cpu(si->psh_lo)) ||
2010 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2011 le32_to_cpu(si->dtype_swch_off)))
2012 goto nla_put_failure;
2013 nla_nest_end(msg, nl_cfg);
2014 }
2015
2016 nla_nest_end(msg, nl_cfgs);
2017 rc = cfg80211_vendor_cmd_reply(msg);
2018 return rc;
2019 nla_put_failure:
2020 kfree_skb(msg);
2021 return -ENOBUFS;
2022 }
2023
wil_rf_sector_set_cfg(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2024 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2025 struct wireless_dev *wdev,
2026 const void *data, int data_len)
2027 {
2028 struct wil6210_priv *wil = wdev_to_wil(wdev);
2029 int rc, tmp;
2030 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2031 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2032 u16 sector_index, rf_module_index;
2033 u8 sector_type;
2034 u32 rf_modules_vec = 0;
2035 struct wmi_set_rf_sector_params_cmd cmd;
2036 struct {
2037 struct wmi_cmd_hdr wmi;
2038 struct wmi_set_rf_sector_params_done_event evt;
2039 } __packed reply;
2040 struct nlattr *nl_cfg;
2041 struct wmi_rf_sector_info *si;
2042
2043 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2044 return -EOPNOTSUPP;
2045
2046 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2047 wil_rf_sector_policy, NULL);
2048 if (rc) {
2049 wil_err(wil, "Invalid rf sector ATTR\n");
2050 return rc;
2051 }
2052
2053 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2054 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2055 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
2056 wil_err(wil, "Invalid rf sector spec\n");
2057 return -EINVAL;
2058 }
2059
2060 sector_index = nla_get_u16(
2061 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2062 if (sector_index >= WIL_MAX_RF_SECTORS) {
2063 wil_err(wil, "Invalid sector index %d\n", sector_index);
2064 return -EINVAL;
2065 }
2066
2067 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2068 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2069 wil_err(wil, "Invalid sector type %d\n", sector_type);
2070 return -EINVAL;
2071 }
2072
2073 memset(&cmd, 0, sizeof(cmd));
2074
2075 cmd.sector_idx = cpu_to_le16(sector_index);
2076 cmd.sector_type = sector_type;
2077 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
2078 tmp) {
2079 rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
2080 nl_cfg, wil_rf_sector_cfg_policy,
2081 NULL);
2082 if (rc) {
2083 wil_err(wil, "invalid sector cfg\n");
2084 return -EINVAL;
2085 }
2086
2087 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
2088 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
2089 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
2090 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
2091 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
2092 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
2093 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
2094 wil_err(wil, "missing cfg params\n");
2095 return -EINVAL;
2096 }
2097
2098 rf_module_index = nla_get_u8(
2099 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
2100 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
2101 wil_err(wil, "invalid RF module index %d\n",
2102 rf_module_index);
2103 return -EINVAL;
2104 }
2105 rf_modules_vec |= BIT(rf_module_index);
2106 si = &cmd.sectors_info[rf_module_index];
2107 si->etype0 = cpu_to_le32(nla_get_u32(
2108 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
2109 si->etype1 = cpu_to_le32(nla_get_u32(
2110 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
2111 si->etype2 = cpu_to_le32(nla_get_u32(
2112 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
2113 si->psh_hi = cpu_to_le32(nla_get_u32(
2114 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
2115 si->psh_lo = cpu_to_le32(nla_get_u32(
2116 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
2117 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
2118 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
2119 }
2120
2121 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2122 memset(&reply, 0, sizeof(reply));
2123 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, &cmd, sizeof(cmd),
2124 WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
2125 &reply, sizeof(reply),
2126 500);
2127 if (rc)
2128 return rc;
2129 return wil_rf_sector_status_to_rc(reply.evt.status);
2130 }
2131
wil_rf_sector_get_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2132 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
2133 struct wireless_dev *wdev,
2134 const void *data, int data_len)
2135 {
2136 struct wil6210_priv *wil = wdev_to_wil(wdev);
2137 int rc;
2138 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2139 u8 sector_type, mac_addr[ETH_ALEN];
2140 int cid = 0;
2141 struct wmi_get_selected_rf_sector_index_cmd cmd;
2142 struct {
2143 struct wmi_cmd_hdr wmi;
2144 struct wmi_get_selected_rf_sector_index_done_event evt;
2145 } __packed reply;
2146 struct sk_buff *msg;
2147
2148 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2149 return -EOPNOTSUPP;
2150
2151 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2152 wil_rf_sector_policy, NULL);
2153 if (rc) {
2154 wil_err(wil, "Invalid rf sector ATTR\n");
2155 return rc;
2156 }
2157
2158 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2159 wil_err(wil, "Invalid rf sector spec\n");
2160 return -EINVAL;
2161 }
2162 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2163 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2164 wil_err(wil, "Invalid sector type %d\n", sector_type);
2165 return -EINVAL;
2166 }
2167
2168 if (tb[QCA_ATTR_MAC_ADDR]) {
2169 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2170 cid = wil_find_cid(wil, mac_addr);
2171 if (cid < 0) {
2172 wil_err(wil, "invalid MAC address %pM\n", mac_addr);
2173 return -ENOENT;
2174 }
2175 } else {
2176 if (test_bit(wil_status_fwconnected, wil->status)) {
2177 wil_err(wil, "must specify MAC address when connected\n");
2178 return -EINVAL;
2179 }
2180 }
2181
2182 memset(&cmd, 0, sizeof(cmd));
2183 cmd.cid = (u8)cid;
2184 cmd.sector_type = sector_type;
2185 memset(&reply, 0, sizeof(reply));
2186 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID,
2187 &cmd, sizeof(cmd),
2188 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2189 &reply, sizeof(reply),
2190 500);
2191 if (rc)
2192 return rc;
2193 if (reply.evt.status) {
2194 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
2195 reply.evt.status);
2196 return wil_rf_sector_status_to_rc(reply.evt.status);
2197 }
2198
2199 msg = cfg80211_vendor_cmd_alloc_reply_skb(
2200 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2201 if (!msg)
2202 return -ENOMEM;
2203
2204 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2205 le64_to_cpu(reply.evt.tsf),
2206 QCA_ATTR_PAD) ||
2207 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
2208 le16_to_cpu(reply.evt.sector_idx)))
2209 goto nla_put_failure;
2210
2211 rc = cfg80211_vendor_cmd_reply(msg);
2212 return rc;
2213 nla_put_failure:
2214 kfree_skb(msg);
2215 return -ENOBUFS;
2216 }
2217
wil_rf_sector_wmi_set_selected(struct wil6210_priv * wil,u16 sector_index,u8 sector_type,u8 cid)2218 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
2219 u16 sector_index,
2220 u8 sector_type, u8 cid)
2221 {
2222 struct wmi_set_selected_rf_sector_index_cmd cmd;
2223 struct {
2224 struct wmi_cmd_hdr wmi;
2225 struct wmi_set_selected_rf_sector_index_done_event evt;
2226 } __packed reply;
2227 int rc;
2228
2229 memset(&cmd, 0, sizeof(cmd));
2230 cmd.sector_idx = cpu_to_le16(sector_index);
2231 cmd.sector_type = sector_type;
2232 cmd.cid = (u8)cid;
2233 memset(&reply, 0, sizeof(reply));
2234 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID,
2235 &cmd, sizeof(cmd),
2236 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
2237 &reply, sizeof(reply),
2238 500);
2239 if (rc)
2240 return rc;
2241 return wil_rf_sector_status_to_rc(reply.evt.status);
2242 }
2243
wil_rf_sector_set_selected(struct wiphy * wiphy,struct wireless_dev * wdev,const void * data,int data_len)2244 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
2245 struct wireless_dev *wdev,
2246 const void *data, int data_len)
2247 {
2248 struct wil6210_priv *wil = wdev_to_wil(wdev);
2249 int rc;
2250 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2251 u16 sector_index;
2252 u8 sector_type, mac_addr[ETH_ALEN], i;
2253 int cid = 0;
2254
2255 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2256 return -EOPNOTSUPP;
2257
2258 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
2259 wil_rf_sector_policy, NULL);
2260 if (rc) {
2261 wil_err(wil, "Invalid rf sector ATTR\n");
2262 return rc;
2263 }
2264
2265 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2266 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
2267 wil_err(wil, "Invalid rf sector spec\n");
2268 return -EINVAL;
2269 }
2270
2271 sector_index = nla_get_u16(
2272 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2273 if (sector_index >= WIL_MAX_RF_SECTORS &&
2274 sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2275 wil_err(wil, "Invalid sector index %d\n", sector_index);
2276 return -EINVAL;
2277 }
2278
2279 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2280 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2281 wil_err(wil, "Invalid sector type %d\n", sector_type);
2282 return -EINVAL;
2283 }
2284
2285 if (tb[QCA_ATTR_MAC_ADDR]) {
2286 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
2287 if (!is_broadcast_ether_addr(mac_addr)) {
2288 cid = wil_find_cid(wil, mac_addr);
2289 if (cid < 0) {
2290 wil_err(wil, "invalid MAC address %pM\n",
2291 mac_addr);
2292 return -ENOENT;
2293 }
2294 } else {
2295 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
2296 wil_err(wil, "broadcast MAC valid only with unlocking\n");
2297 return -EINVAL;
2298 }
2299 cid = -1;
2300 }
2301 } else {
2302 if (test_bit(wil_status_fwconnected, wil->status)) {
2303 wil_err(wil, "must specify MAC address when connected\n");
2304 return -EINVAL;
2305 }
2306 /* otherwise, using cid=0 for unassociated station */
2307 }
2308
2309 if (cid >= 0) {
2310 rc = wil_rf_sector_wmi_set_selected(wil, sector_index,
2311 sector_type, cid);
2312 } else {
2313 /* unlock all cids */
2314 rc = wil_rf_sector_wmi_set_selected(
2315 wil, WMI_INVALID_RF_SECTOR_INDEX, sector_type,
2316 WIL_CID_ALL);
2317 if (rc == -EINVAL) {
2318 for (i = 0; i < WIL6210_MAX_CID; i++) {
2319 rc = wil_rf_sector_wmi_set_selected(
2320 wil, WMI_INVALID_RF_SECTOR_INDEX,
2321 sector_type, i);
2322 /* the FW will silently ignore and return
2323 * success for unused cid, so abort the loop
2324 * on any other error
2325 */
2326 if (rc) {
2327 wil_err(wil, "unlock cid %d failed with status %d\n",
2328 i, rc);
2329 break;
2330 }
2331 }
2332 }
2333 }
2334
2335 return rc;
2336 }
2337