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drm/nouveau: consume the return of large GSP message
[drm/drm-misc.git] / drivers / net / wireless / ath / wil6210 / cfg80211.c
bloba1a0a9223e74acc1cbef2e2b05e5d20dbad66ade
1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
5 */
6
7 #include <linux/etherdevice.h>
8 #include <linux/moduleparam.h>
9 #include <net/netlink.h>
10 #include <net/cfg80211.h>
11 #include "wil6210.h"
12 #include "wmi.h"
13 #include "fw.h"
14
15 #define WIL_MAX_ROC_DURATION_MS 5000
16
17 #define WIL_EDMG_CHANNEL_9_SUBCHANNELS (BIT(0) | BIT(1))
18 #define WIL_EDMG_CHANNEL_10_SUBCHANNELS (BIT(1) | BIT(2))
19 #define WIL_EDMG_CHANNEL_11_SUBCHANNELS (BIT(2) | BIT(3))
20
21 /* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth
22 * configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13.
23 * The value 5 allowing CB1 and CB2 of adjacent channels.
24 */
25 #define WIL_EDMG_BW_CONFIGURATION 5
26
27 /* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that
28 * are allowed to be used for EDMG transmissions in the BSS as defined by
29 * IEEE 802.11 section 9.4.2.251.
30 */
31 #define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
32
33 bool disable_ap_sme;
34 module_param(disable_ap_sme, bool, 0444);
35 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
36
37 #ifdef CONFIG_PM
38 static struct wiphy_wowlan_support wil_wowlan_support = {
39 .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
40 };
41 #endif
42
43 #define CHAN60G(_channel, _flags) { \
44 .band = NL80211_BAND_60GHZ, \
45 .center_freq = 56160 + (2160 * (_channel)), \
46 .hw_value = (_channel), \
47 .flags = (_flags), \
48 .max_antenna_gain = 0, \
49 .max_power = 40, \
50 }
51
52 static struct ieee80211_channel wil_60ghz_channels[] = {
53 CHAN60G(1, 0),
54 CHAN60G(2, 0),
55 CHAN60G(3, 0),
56 CHAN60G(4, 0),
57 };
58
59 /* Rx channel bonding mode */
60 enum wil_rx_cb_mode {
61 WIL_RX_CB_MODE_DMG,
62 WIL_RX_CB_MODE_EDMG,
63 WIL_RX_CB_MODE_WIDE,
64 };
65
66 static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
67 {
68 switch (cb_mode) {
69 case WIL_RX_CB_MODE_DMG:
70 case WIL_RX_CB_MODE_EDMG:
71 return 1;
72 case WIL_RX_CB_MODE_WIDE:
73 return 2;
74 default:
75 return 1;
76 }
77 }
78
79 static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
80 {
81 switch (cb_mode) {
82 case WMI_TX_MODE_DMG:
83 case WMI_TX_MODE_EDMG_CB1:
84 return 1;
85 case WMI_TX_MODE_EDMG_CB2:
86 return 2;
87 default:
88 return 1;
89 }
90 }
91
92 static void
93 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
94 {
95 kfree(*pdst);
96 *pdst = NULL;
97 *pdst_len = 0;
98 if (src_len > 0) {
99 *pdst = kmemdup(src, src_len, GFP_KERNEL);
100 if (*pdst)
101 *pdst_len = src_len;
102 }
103 }
104
105 static int wil_num_supported_channels(struct wil6210_priv *wil)
106 {
107 int num_channels = ARRAY_SIZE(wil_60ghz_channels);
108
109 if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
110 num_channels--;
111
112 return num_channels;
113 }
114
115 void update_supported_bands(struct wil6210_priv *wil)
116 {
117 struct wiphy *wiphy = wil_to_wiphy(wil);
118
119 wil_dbg_misc(wil, "update supported bands");
120
121 wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
122 wil_num_supported_channels(wil);
123
124 if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
125 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels =
126 WIL_EDMG_CHANNELS;
127 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config =
128 WIL_EDMG_BW_CONFIGURATION;
129 }
130 }
131
132 /* Vendor id to be used in vendor specific command and events
133 * to user space.
134 * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
135 * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
136 * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
137 * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
138 */
139
140 #define QCA_NL80211_VENDOR_ID 0x001374
141
142 #define WIL_MAX_RF_SECTORS (128)
143 #define WIL_CID_ALL (0xff)
144
145 enum qca_wlan_vendor_attr_rf_sector {
146 QCA_ATTR_MAC_ADDR = 6,
147 QCA_ATTR_PAD = 13,
148 QCA_ATTR_TSF = 29,
149 QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
150 QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
151 QCA_ATTR_DMG_RF_MODULE_MASK = 32,
152 QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
153 QCA_ATTR_DMG_RF_SECTOR_MAX,
154 };
155
156 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
157 QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
158 QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
159 QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
160 };
161
162 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
163 QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
164 QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
165 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
166 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
167 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
168 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
169 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
170 QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
171
172 /* keep last */
173 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
174 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
175 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
176 };
177
178 static const struct
179 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
180 [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
181 [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
182 [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
183 [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
184 [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
185 };
186
187 static const struct
188 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
189 [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
190 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
191 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
192 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
193 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
194 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
195 [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
196 };
197
198 enum qca_nl80211_vendor_subcmds {
199 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
200 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
201 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
202 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
203 };
204
205 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
206 struct wireless_dev *wdev,
207 const void *data, int data_len);
208 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
209 struct wireless_dev *wdev,
210 const void *data, int data_len);
211 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
212 struct wireless_dev *wdev,
213 const void *data, int data_len);
214 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
215 struct wireless_dev *wdev,
216 const void *data, int data_len);
217
218 /* vendor specific commands */
219 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
220 {
221 .info.vendor_id = QCA_NL80211_VENDOR_ID,
222 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
223 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
224 WIPHY_VENDOR_CMD_NEED_RUNNING,
225 .policy = wil_rf_sector_policy,
226 .doit = wil_rf_sector_get_cfg
227 },
228 {
229 .info.vendor_id = QCA_NL80211_VENDOR_ID,
230 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
231 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
232 WIPHY_VENDOR_CMD_NEED_RUNNING,
233 .policy = wil_rf_sector_policy,
234 .doit = wil_rf_sector_set_cfg
235 },
236 {
237 .info.vendor_id = QCA_NL80211_VENDOR_ID,
238 .info.subcmd =
239 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
240 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
241 WIPHY_VENDOR_CMD_NEED_RUNNING,
242 .policy = wil_rf_sector_policy,
243 .doit = wil_rf_sector_get_selected
244 },
245 {
246 .info.vendor_id = QCA_NL80211_VENDOR_ID,
247 .info.subcmd =
248 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
249 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
250 WIPHY_VENDOR_CMD_NEED_RUNNING,
251 .policy = wil_rf_sector_policy,
252 .doit = wil_rf_sector_set_selected
253 },
254 };
255
256 static struct ieee80211_supported_band wil_band_60ghz = {
257 .channels = wil_60ghz_channels,
258 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
259 .ht_cap = {
260 .ht_supported = true,
261 .cap = 0, /* TODO */
262 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
263 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
264 .mcs = {
265 /* MCS 1..12 - SC PHY */
266 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
267 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
268 },
269 },
270 };
271
272 static const struct ieee80211_txrx_stypes
273 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
274 [NL80211_IFTYPE_STATION] = {
275 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
276 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
277 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
278 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
279 },
280 [NL80211_IFTYPE_AP] = {
281 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
282 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
283 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
284 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
285 BIT(IEEE80211_STYPE_AUTH >> 4) |
286 BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
287 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
288 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
289 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
290 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
291 BIT(IEEE80211_STYPE_AUTH >> 4) |
292 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
293 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
294 },
295 [NL80211_IFTYPE_P2P_CLIENT] = {
296 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
297 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
298 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
299 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
300 },
301 [NL80211_IFTYPE_P2P_GO] = {
302 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
303 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
304 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
305 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
306 },
307 [NL80211_IFTYPE_P2P_DEVICE] = {
308 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
309 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
310 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
311 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
312 },
313 };
314
315 static const u32 wil_cipher_suites[] = {
316 WLAN_CIPHER_SUITE_GCMP,
317 };
318
319 static const char * const key_usage_str[] = {
320 [WMI_KEY_USE_PAIRWISE] = "PTK",
321 [WMI_KEY_USE_RX_GROUP] = "RX_GTK",
322 [WMI_KEY_USE_TX_GROUP] = "TX_GTK",
323 [WMI_KEY_USE_STORE_PTK] = "STORE_PTK",
324 [WMI_KEY_USE_APPLY_PTK] = "APPLY_PTK",
325 };
326
327 int wil_iftype_nl2wmi(enum nl80211_iftype type)
328 {
329 static const struct {
330 enum nl80211_iftype nl;
331 enum wmi_network_type wmi;
332 } __nl2wmi[] = {
333 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
334 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
335 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
336 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
337 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
338 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
339 };
340 uint i;
341
342 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
343 if (__nl2wmi[i].nl == type)
344 return __nl2wmi[i].wmi;
345 }
346
347 return -EOPNOTSUPP;
348 }
349
350 int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch)
351 {
352 switch (spec_ch) {
353 case 1:
354 *wmi_ch = WMI_CHANNEL_1;
355 break;
356 case 2:
357 *wmi_ch = WMI_CHANNEL_2;
358 break;
359 case 3:
360 *wmi_ch = WMI_CHANNEL_3;
361 break;
362 case 4:
363 *wmi_ch = WMI_CHANNEL_4;
364 break;
365 case 5:
366 *wmi_ch = WMI_CHANNEL_5;
367 break;
368 case 6:
369 *wmi_ch = WMI_CHANNEL_6;
370 break;
371 case 9:
372 *wmi_ch = WMI_CHANNEL_9;
373 break;
374 case 10:
375 *wmi_ch = WMI_CHANNEL_10;
376 break;
377 case 11:
378 *wmi_ch = WMI_CHANNEL_11;
379 break;
380 case 12:
381 *wmi_ch = WMI_CHANNEL_12;
382 break;
383 default:
384 return -EINVAL;
385 }
386
387 return 0;
388 }
389
390 int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch)
391 {
392 switch (wmi_ch) {
393 case WMI_CHANNEL_1:
394 *spec_ch = 1;
395 break;
396 case WMI_CHANNEL_2:
397 *spec_ch = 2;
398 break;
399 case WMI_CHANNEL_3:
400 *spec_ch = 3;
401 break;
402 case WMI_CHANNEL_4:
403 *spec_ch = 4;
404 break;
405 case WMI_CHANNEL_5:
406 *spec_ch = 5;
407 break;
408 case WMI_CHANNEL_6:
409 *spec_ch = 6;
410 break;
411 case WMI_CHANNEL_9:
412 *spec_ch = 9;
413 break;
414 case WMI_CHANNEL_10:
415 *spec_ch = 10;
416 break;
417 case WMI_CHANNEL_11:
418 *spec_ch = 11;
419 break;
420 case WMI_CHANNEL_12:
421 *spec_ch = 12;
422 break;
423 default:
424 return -EINVAL;
425 }
426
427 return 0;
428 }
429
430 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
431 struct station_info *sinfo)
432 {
433 struct wil6210_priv *wil = vif_to_wil(vif);
434 struct wmi_notify_req_cmd cmd = {
435 .cid = cid,
436 .interval_usec = 0,
437 };
438 struct {
439 struct wmi_cmd_hdr wmi;
440 struct wmi_notify_req_done_event evt;
441 } __packed reply;
442 struct wil_net_stats *stats = &wil->sta[cid].stats;
443 int rc;
444 u8 tx_mcs, rx_mcs;
445 u8 tx_rate_flag = RATE_INFO_FLAGS_DMG;
446 u8 rx_rate_flag = RATE_INFO_FLAGS_DMG;
447
448 memset(&reply, 0, sizeof(reply));
449
450 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
451 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply),
452 WIL_WMI_CALL_GENERAL_TO_MS);
453 if (rc)
454 return rc;
455
456 tx_mcs = le16_to_cpu(reply.evt.bf_mcs);
457
458 wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
459 " MCS %s TSF 0x%016llx\n"
460 " BF status 0x%08x RSSI %d SQI %d%%\n"
461 " Tx Tpt %d goodput %d Rx goodput %d\n"
462 " Sectors(rx:tx) my %d:%d peer %d:%d\n"
463 " Tx mode %d}\n",
464 cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_mcs),
465 le64_to_cpu(reply.evt.tsf), reply.evt.status,
466 reply.evt.rssi,
467 reply.evt.sqi,
468 le32_to_cpu(reply.evt.tx_tpt),
469 le32_to_cpu(reply.evt.tx_goodput),
470 le32_to_cpu(reply.evt.rx_goodput),
471 le16_to_cpu(reply.evt.my_rx_sector),
472 le16_to_cpu(reply.evt.my_tx_sector),
473 le16_to_cpu(reply.evt.other_rx_sector),
474 le16_to_cpu(reply.evt.other_tx_sector),
475 reply.evt.tx_mode);
476
477 sinfo->generation = wil->sinfo_gen;
478
479 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
480 BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
481 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
482 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
483 BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
484 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
485 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
486 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
487
488 if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) {
489 tx_rate_flag = RATE_INFO_FLAGS_EDMG;
490 rx_rate_flag = RATE_INFO_FLAGS_EDMG;
491 }
492
493 rx_mcs = stats->last_mcs_rx;
494
495 /* check extended MCS (12.1) and convert it into
496 * base MCS (7) + EXTENDED_SC_DMG flag
497 */
498 if (tx_mcs == WIL_EXTENDED_MCS_26) {
499 tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
500 tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
501 }
502 if (rx_mcs == WIL_EXTENDED_MCS_26) {
503 rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
504 rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
505 }
506
507 sinfo->txrate.flags = tx_rate_flag;
508 sinfo->rxrate.flags = rx_rate_flag;
509 sinfo->txrate.mcs = tx_mcs;
510 sinfo->rxrate.mcs = rx_mcs;
511
512 sinfo->txrate.n_bonded_ch =
513 wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
514 sinfo->rxrate.n_bonded_ch =
515 wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
516 sinfo->rx_bytes = stats->rx_bytes;
517 sinfo->rx_packets = stats->rx_packets;
518 sinfo->rx_dropped_misc = stats->rx_dropped;
519 sinfo->tx_bytes = stats->tx_bytes;
520 sinfo->tx_packets = stats->tx_packets;
521 sinfo->tx_failed = stats->tx_errors;
522
523 if (test_bit(wil_vif_fwconnected, vif->status)) {
524 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
525 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
526 wil->fw_capabilities))
527 sinfo->signal = reply.evt.rssi;
528 else
529 sinfo->signal = reply.evt.sqi;
530 }
531
532 return rc;
533 }
534
535 static int wil_cfg80211_get_station(struct wiphy *wiphy,
536 struct net_device *ndev,
537 const u8 *mac, struct station_info *sinfo)
538 {
539 struct wil6210_vif *vif = ndev_to_vif(ndev);
540 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
541 int rc;
542
543 int cid = wil_find_cid(wil, vif->mid, mac);
544
545 wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
546 vif->mid);
547 if (!wil_cid_valid(wil, cid))
548 return -ENOENT;
549
550 rc = wil_cid_fill_sinfo(vif, cid, sinfo);
551
552 return rc;
553 }
554
555 /*
556 * Find @idx-th active STA for specific MID for station dump.
557 */
558 int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
559 {
560 int i;
561
562 for (i = 0; i < wil->max_assoc_sta; i++) {
563 if (wil->sta[i].status == wil_sta_unused)
564 continue;
565 if (wil->sta[i].mid != mid)
566 continue;
567 if (idx == 0)
568 return i;
569 idx--;
570 }
571
572 return -ENOENT;
573 }
574
575 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
576 struct net_device *dev, int idx,
577 u8 *mac, struct station_info *sinfo)
578 {
579 struct wil6210_vif *vif = ndev_to_vif(dev);
580 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
581 int rc;
582 int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
583
584 if (!wil_cid_valid(wil, cid))
585 return -ENOENT;
586
587 ether_addr_copy(mac, wil->sta[cid].addr);
588 wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
589 vif->mid);
590
591 rc = wil_cid_fill_sinfo(vif, cid, sinfo);
592
593 return rc;
594 }
595
596 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
597 struct wireless_dev *wdev)
598 {
599 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
600
601 wil_dbg_misc(wil, "start_p2p_device: entered\n");
602 wil->p2p_dev_started = 1;
603 return 0;
604 }
605
606 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
607 struct wireless_dev *wdev)
608 {
609 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
610
611 if (!wil->p2p_dev_started)
612 return;
613
614 wil_dbg_misc(wil, "stop_p2p_device: entered\n");
615 mutex_lock(&wil->mutex);
616 mutex_lock(&wil->vif_mutex);
617 wil_p2p_stop_radio_operations(wil);
618 wil->p2p_dev_started = 0;
619 mutex_unlock(&wil->vif_mutex);
620 mutex_unlock(&wil->mutex);
621 }
622
623 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
624 enum nl80211_iftype new_type)
625 {
626 int i;
627 struct wireless_dev *wdev;
628 struct iface_combination_params params = {
629 .num_different_channels = 1,
630 };
631
632 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
633 if (wil->vifs[i]) {
634 wdev = vif_to_wdev(wil->vifs[i]);
635 params.iftype_num[wdev->iftype]++;
636 }
637 }
638 params.iftype_num[new_type]++;
639 return cfg80211_check_combinations(wil->wiphy, &params);
640 }
641
642 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
643 struct wil6210_vif *vif,
644 enum nl80211_iftype new_type)
645 {
646 int i, ret = 0;
647 struct wireless_dev *wdev;
648 struct iface_combination_params params = {
649 .num_different_channels = 1,
650 };
651 bool check_combos = false;
652
653 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
654 struct wil6210_vif *vif_pos = wil->vifs[i];
655
656 if (vif_pos && vif != vif_pos) {
657 wdev = vif_to_wdev(vif_pos);
658 params.iftype_num[wdev->iftype]++;
659 check_combos = true;
660 }
661 }
662
663 if (check_combos) {
664 params.iftype_num[new_type]++;
665 ret = cfg80211_check_combinations(wil->wiphy, &params);
666 }
667 return ret;
668 }
669
670 static struct wireless_dev *
671 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
672 unsigned char name_assign_type,
673 enum nl80211_iftype type,
674 struct vif_params *params)
675 {
676 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
677 struct net_device *ndev_main = wil->main_ndev, *ndev;
678 struct wil6210_vif *vif;
679 struct wireless_dev *p2p_wdev, *wdev;
680 int rc;
681
682 wil_dbg_misc(wil, "add_iface, type %d\n", type);
683
684 /* P2P device is not a real virtual interface, it is a management-only
685 * interface that shares the main interface.
686 * Skip concurrency checks here.
687 */
688 if (type == NL80211_IFTYPE_P2P_DEVICE) {
689 if (wil->p2p_wdev) {
690 wil_err(wil, "P2P_DEVICE interface already created\n");
691 return ERR_PTR(-EINVAL);
692 }
693
694 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
695 if (!p2p_wdev)
696 return ERR_PTR(-ENOMEM);
697
698 p2p_wdev->iftype = type;
699 p2p_wdev->wiphy = wiphy;
700 /* use our primary ethernet address */
701 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
702
703 wil->p2p_wdev = p2p_wdev;
704
705 return p2p_wdev;
706 }
707
708 if (!wil->wiphy->n_iface_combinations) {
709 wil_err(wil, "virtual interfaces not supported\n");
710 return ERR_PTR(-EINVAL);
711 }
712
713 rc = wil_cfg80211_validate_add_iface(wil, type);
714 if (rc) {
715 wil_err(wil, "iface validation failed, err=%d\n", rc);
716 return ERR_PTR(rc);
717 }
718
719 vif = wil_vif_alloc(wil, name, name_assign_type, type);
720 if (IS_ERR(vif))
721 return ERR_CAST(vif);
722
723 ndev = vif_to_ndev(vif);
724 ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
725 if (is_valid_ether_addr(params->macaddr)) {
726 eth_hw_addr_set(ndev, params->macaddr);
727 } else {
728 u8 addr[ETH_ALEN];
729
730 ether_addr_copy(addr, ndev_main->perm_addr);
731 addr[0] = (addr[0] ^ (1 << vif->mid)) | 0x2; /* locally administered */
732 eth_hw_addr_set(ndev, addr);
733 }
734 wdev = vif_to_wdev(vif);
735 ether_addr_copy(wdev->address, ndev->dev_addr);
736
737 rc = wil_vif_add(wil, vif);
738 if (rc)
739 goto out;
740
741 wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
742 vif->mid, type, wdev->address);
743 return wdev;
744 out:
745 wil_vif_free(vif);
746 return ERR_PTR(rc);
747 }
748
749 int wil_vif_prepare_stop(struct wil6210_vif *vif)
750 {
751 struct wil6210_priv *wil = vif_to_wil(vif);
752 struct wireless_dev *wdev = vif_to_wdev(vif);
753 struct net_device *ndev;
754 int rc;
755
756 if (wdev->iftype != NL80211_IFTYPE_AP)
757 return 0;
758
759 ndev = vif_to_ndev(vif);
760 if (netif_carrier_ok(ndev)) {
761 rc = wmi_pcp_stop(vif);
762 if (rc) {
763 wil_info(wil, "failed to stop AP, status %d\n",
764 rc);
765 /* continue */
766 }
767 wil_bcast_fini(vif);
768 netif_carrier_off(ndev);
769 }
770
771 return 0;
772 }
773
774 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
775 struct wireless_dev *wdev)
776 {
777 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
778 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
779 int rc;
780
781 wil_dbg_misc(wil, "del_iface\n");
782
783 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
784 if (wdev != wil->p2p_wdev) {
785 wil_err(wil, "delete of incorrect interface 0x%p\n",
786 wdev);
787 return -EINVAL;
788 }
789
790 wil_cfg80211_stop_p2p_device(wiphy, wdev);
791 wil_p2p_wdev_free(wil);
792 return 0;
793 }
794
795 if (vif->mid == 0) {
796 wil_err(wil, "cannot remove the main interface\n");
797 return -EINVAL;
798 }
799
800 rc = wil_vif_prepare_stop(vif);
801 if (rc)
802 goto out;
803
804 wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
805 vif->mid, wdev->iftype, wdev->address);
806
807 wil_vif_remove(wil, vif->mid);
808 out:
809 return rc;
810 }
811
812 static bool wil_is_safe_switch(enum nl80211_iftype from,
813 enum nl80211_iftype to)
814 {
815 if (from == NL80211_IFTYPE_STATION &&
816 to == NL80211_IFTYPE_P2P_CLIENT)
817 return true;
818
819 return false;
820 }
821
822 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
823 struct net_device *ndev,
824 enum nl80211_iftype type,
825 struct vif_params *params)
826 {
827 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
828 struct wil6210_vif *vif = ndev_to_vif(ndev);
829 struct wireless_dev *wdev = vif_to_wdev(vif);
830 int rc;
831 bool fw_reset = false;
832
833 wil_dbg_misc(wil, "change_iface: type=%d\n", type);
834
835 if (wiphy->n_iface_combinations) {
836 rc = wil_cfg80211_validate_change_iface(wil, vif, type);
837 if (rc) {
838 wil_err(wil, "iface validation failed, err=%d\n", rc);
839 return rc;
840 }
841 }
842
843 /* do not reset FW when there are active VIFs,
844 * because it can cause significant disruption
845 */
846 if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
847 netif_running(ndev) && !wil_is_recovery_blocked(wil) &&
848 !wil_is_safe_switch(wdev->iftype, type)) {
849 wil_dbg_misc(wil, "interface is up. resetting...\n");
850 mutex_lock(&wil->mutex);
851 __wil_down(wil);
852 rc = __wil_up(wil);
853 mutex_unlock(&wil->mutex);
854
855 if (rc)
856 return rc;
857 fw_reset = true;
858 }
859
860 switch (type) {
861 case NL80211_IFTYPE_STATION:
862 case NL80211_IFTYPE_AP:
863 case NL80211_IFTYPE_P2P_CLIENT:
864 case NL80211_IFTYPE_P2P_GO:
865 break;
866 case NL80211_IFTYPE_MONITOR:
867 if (params->flags)
868 wil->monitor_flags = params->flags;
869 break;
870 default:
871 return -EOPNOTSUPP;
872 }
873
874 if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
875 if (!fw_reset)
876 wil_vif_prepare_stop(vif);
877 rc = wmi_port_delete(wil, vif->mid);
878 if (rc)
879 return rc;
880 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
881 if (rc)
882 return rc;
883 }
884
885 wdev->iftype = type;
886 return 0;
887 }
888
889 static int wil_cfg80211_scan(struct wiphy *wiphy,
890 struct cfg80211_scan_request *request)
891 {
892 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
893 struct wireless_dev *wdev = request->wdev;
894 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
895 DEFINE_FLEX(struct wmi_start_scan_cmd, cmd,
896 channel_list, num_channels, 4);
897 uint i, n;
898 int rc;
899
900 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
901
902 /* scan is supported on client interfaces and on AP interface */
903 switch (wdev->iftype) {
904 case NL80211_IFTYPE_STATION:
905 case NL80211_IFTYPE_P2P_CLIENT:
906 case NL80211_IFTYPE_P2P_DEVICE:
907 case NL80211_IFTYPE_AP:
908 break;
909 default:
910 return -EOPNOTSUPP;
911 }
912
913 /* FW don't support scan after connection attempt */
914 if (test_bit(wil_status_dontscan, wil->status)) {
915 wil_err(wil, "Can't scan now\n");
916 return -EBUSY;
917 }
918
919 mutex_lock(&wil->mutex);
920
921 mutex_lock(&wil->vif_mutex);
922 if (vif->scan_request || vif->p2p.discovery_started) {
923 wil_err(wil, "Already scanning\n");
924 mutex_unlock(&wil->vif_mutex);
925 rc = -EAGAIN;
926 goto out;
927 }
928 mutex_unlock(&wil->vif_mutex);
929
930 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
931 if (!wil->p2p_dev_started) {
932 wil_err(wil, "P2P search requested on stopped P2P device\n");
933 rc = -EIO;
934 goto out;
935 }
936 /* social scan on P2P_DEVICE is handled as p2p search */
937 if (wil_p2p_is_social_scan(request)) {
938 vif->scan_request = request;
939 if (vif->mid == 0)
940 wil->radio_wdev = wdev;
941 rc = wil_p2p_search(vif, request);
942 if (rc) {
943 if (vif->mid == 0)
944 wil->radio_wdev =
945 wil->main_ndev->ieee80211_ptr;
946 vif->scan_request = NULL;
947 }
948 goto out;
949 }
950 }
951
952 (void)wil_p2p_stop_discovery(vif);
953
954 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
955 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
956
957 for (i = 0; i < request->n_ssids; i++) {
958 wil_dbg_misc(wil, "SSID[%d]", i);
959 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
960 request->ssids[i].ssid,
961 request->ssids[i].ssid_len, true);
962 }
963
964 if (request->n_ssids)
965 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
966 request->ssids[0].ssid);
967 else
968 rc = wmi_set_ssid(vif, 0, NULL);
969
970 if (rc) {
971 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
972 goto out;
973 }
974
975 vif->scan_request = request;
976 mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
977
978 cmd->scan_type = WMI_ACTIVE_SCAN;
979 cmd->num_channels = 0;
980 n = min(request->n_channels, 4U);
981 for (i = 0; i < n; i++) {
982 int ch = request->channels[i]->hw_value;
983
984 if (ch == 0) {
985 wil_err(wil,
986 "Scan requested for unknown frequency %dMhz\n",
987 request->channels[i]->center_freq);
988 continue;
989 }
990 /* 0-based channel indexes */
991 cmd->num_channels++;
992 cmd->channel_list[cmd->num_channels - 1].channel = ch - 1;
993 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
994 request->channels[i]->center_freq);
995 }
996
997 if (request->ie_len)
998 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
999 request->ie, request->ie_len, true);
1000 else
1001 wil_dbg_misc(wil, "Scan has no IE's\n");
1002
1003 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
1004 request->ie_len, request->ie);
1005 if (rc)
1006 goto out_restore;
1007
1008 if (wil->discovery_mode && cmd->scan_type == WMI_ACTIVE_SCAN) {
1009 cmd->discovery_mode = 1;
1010 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
1011 }
1012
1013 if (vif->mid == 0)
1014 wil->radio_wdev = wdev;
1015 rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
1016 cmd, struct_size(cmd, channel_list, cmd->num_channels));
1017
1018 out_restore:
1019 if (rc) {
1020 del_timer_sync(&vif->scan_timer);
1021 if (vif->mid == 0)
1022 wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
1023 vif->scan_request = NULL;
1024 }
1025 out:
1026 mutex_unlock(&wil->mutex);
1027 return rc;
1028 }
1029
1030 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
1031 struct wireless_dev *wdev)
1032 {
1033 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1034 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1035
1036 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
1037
1038 mutex_lock(&wil->mutex);
1039 mutex_lock(&wil->vif_mutex);
1040
1041 if (!vif->scan_request)
1042 goto out;
1043
1044 if (wdev != vif->scan_request->wdev) {
1045 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
1046 goto out;
1047 }
1048
1049 if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
1050 wil_p2p_stop_radio_operations(wil);
1051 else
1052 wil_abort_scan(vif, true);
1053
1054 out:
1055 mutex_unlock(&wil->vif_mutex);
1056 mutex_unlock(&wil->mutex);
1057 }
1058
1059 static void wil_print_crypto(struct wil6210_priv *wil,
1060 struct cfg80211_crypto_settings *c)
1061 {
1062 int i, n;
1063
1064 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
1065 c->wpa_versions, c->cipher_group);
1066 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
1067 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
1068 for (i = 0; i < n; i++)
1069 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
1070 c->ciphers_pairwise[i]);
1071 wil_dbg_misc(wil, "}\n");
1072 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
1073 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
1074 for (i = 0; i < n; i++)
1075 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
1076 c->akm_suites[i]);
1077 wil_dbg_misc(wil, "}\n");
1078 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
1079 c->control_port, be16_to_cpu(c->control_port_ethertype),
1080 c->control_port_no_encrypt);
1081 }
1082
1083 static const char *
1084 wil_get_auth_type_name(enum nl80211_auth_type auth_type)
1085 {
1086 switch (auth_type) {
1087 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1088 return "OPEN_SYSTEM";
1089 case NL80211_AUTHTYPE_SHARED_KEY:
1090 return "SHARED_KEY";
1091 case NL80211_AUTHTYPE_FT:
1092 return "FT";
1093 case NL80211_AUTHTYPE_NETWORK_EAP:
1094 return "NETWORK_EAP";
1095 case NL80211_AUTHTYPE_SAE:
1096 return "SAE";
1097 case NL80211_AUTHTYPE_AUTOMATIC:
1098 return "AUTOMATIC";
1099 default:
1100 return "unknown";
1101 }
1102 }
1103 static void wil_print_connect_params(struct wil6210_priv *wil,
1104 struct cfg80211_connect_params *sme)
1105 {
1106 wil_info(wil, "Connecting to:\n");
1107 if (sme->channel) {
1108 wil_info(wil, " Channel: %d freq %d\n",
1109 sme->channel->hw_value, sme->channel->center_freq);
1110 }
1111 if (sme->bssid)
1112 wil_info(wil, " BSSID: %pM\n", sme->bssid);
1113 if (sme->ssid)
1114 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
1115 16, 1, sme->ssid, sme->ssid_len, true);
1116 if (sme->prev_bssid)
1117 wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid);
1118 wil_info(wil, " Auth Type: %s\n",
1119 wil_get_auth_type_name(sme->auth_type));
1120 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
1121 wil_info(wil, " PBSS: %d\n", sme->pbss);
1122 wil_print_crypto(wil, &sme->crypto);
1123 }
1124
1125 static int wil_ft_connect(struct wiphy *wiphy,
1126 struct net_device *ndev,
1127 struct cfg80211_connect_params *sme)
1128 {
1129 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1130 struct wil6210_vif *vif = ndev_to_vif(ndev);
1131 struct wmi_ft_auth_cmd auth_cmd;
1132 int rc;
1133
1134 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
1135 wil_err(wil, "FT: FW does not support FT roaming\n");
1136 return -EOPNOTSUPP;
1137 }
1138
1139 if (!sme->prev_bssid) {
1140 wil_err(wil, "FT: prev_bssid was not set\n");
1141 return -EINVAL;
1142 }
1143
1144 if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
1145 wil_err(wil, "FT: can not roam to same AP\n");
1146 return -EINVAL;
1147 }
1148
1149 if (!test_bit(wil_vif_fwconnected, vif->status)) {
1150 wil_err(wil, "FT: roam while not connected\n");
1151 return -EINVAL;
1152 }
1153
1154 if (vif->privacy != sme->privacy) {
1155 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
1156 vif->privacy, sme->privacy);
1157 return -EINVAL;
1158 }
1159
1160 if (sme->pbss) {
1161 wil_err(wil, "FT: roam is not valid for PBSS\n");
1162 return -EINVAL;
1163 }
1164
1165 memset(&auth_cmd, 0, sizeof(auth_cmd));
1166 auth_cmd.channel = sme->channel->hw_value - 1;
1167 ether_addr_copy(auth_cmd.bssid, sme->bssid);
1168
1169 wil_info(wil, "FT: roaming\n");
1170
1171 set_bit(wil_vif_ft_roam, vif->status);
1172 rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
1173 &auth_cmd, sizeof(auth_cmd));
1174 if (rc == 0)
1175 mod_timer(&vif->connect_timer,
1176 jiffies + msecs_to_jiffies(5000));
1177 else
1178 clear_bit(wil_vif_ft_roam, vif->status);
1179
1180 return rc;
1181 }
1182
1183 static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config,
1184 u8 edmg_channels, u8 *wmi_ch)
1185 {
1186 if (!edmg_bw_config) {
1187 *wmi_ch = 0;
1188 return 0;
1189 } else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) {
1190 /* convert from edmg channel bitmap into edmg channel number */
1191 switch (edmg_channels) {
1192 case WIL_EDMG_CHANNEL_9_SUBCHANNELS:
1193 return wil_spec2wmi_ch(9, wmi_ch);
1194 case WIL_EDMG_CHANNEL_10_SUBCHANNELS:
1195 return wil_spec2wmi_ch(10, wmi_ch);
1196 case WIL_EDMG_CHANNEL_11_SUBCHANNELS:
1197 return wil_spec2wmi_ch(11, wmi_ch);
1198 default:
1199 wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n",
1200 edmg_channels);
1201 return -EINVAL;
1202 }
1203 } else {
1204 wil_err(wil, "Unsupported EDMG BW configuration %d\n",
1205 edmg_bw_config);
1206 return -EINVAL;
1207 }
1208 }
1209
1210 static int wil_cfg80211_connect(struct wiphy *wiphy,
1211 struct net_device *ndev,
1212 struct cfg80211_connect_params *sme)
1213 {
1214 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1215 struct wil6210_vif *vif = ndev_to_vif(ndev);
1216 struct cfg80211_bss *bss;
1217 struct wmi_connect_cmd conn;
1218 const u8 *ssid_eid;
1219 const u8 *rsn_eid;
1220 int ch;
1221 int rc = 0;
1222 bool is_ft_roam = false;
1223 u8 network_type;
1224 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
1225
1226 wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
1227 wil_print_connect_params(wil, sme);
1228
1229 if (sme->auth_type == NL80211_AUTHTYPE_FT)
1230 is_ft_roam = true;
1231 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
1232 test_bit(wil_vif_fwconnected, vif->status))
1233 is_ft_roam = true;
1234
1235 if (!is_ft_roam)
1236 if (test_bit(wil_vif_fwconnecting, vif->status) ||
1237 test_bit(wil_vif_fwconnected, vif->status))
1238 return -EALREADY;
1239
1240 if (sme->ie_len > WMI_MAX_IE_LEN) {
1241 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
1242 return -ERANGE;
1243 }
1244
1245 rsn_eid = sme->ie ?
1246 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
1247 NULL;
1248 if (sme->privacy && !rsn_eid) {
1249 wil_info(wil, "WSC connection\n");
1250 if (is_ft_roam) {
1251 wil_err(wil, "No WSC with FT roam\n");
1252 return -EINVAL;
1253 }
1254 }
1255
1256 if (sme->pbss)
1257 bss_type = IEEE80211_BSS_TYPE_PBSS;
1258
1259 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1260 sme->ssid, sme->ssid_len,
1261 bss_type, IEEE80211_PRIVACY_ANY);
1262 if (!bss) {
1263 wil_err(wil, "Unable to find BSS\n");
1264 return -ENOENT;
1265 }
1266
1267 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1268 if (!ssid_eid) {
1269 wil_err(wil, "No SSID\n");
1270 rc = -ENOENT;
1271 goto out;
1272 }
1273 vif->privacy = sme->privacy;
1274 vif->pbss = sme->pbss;
1275
1276 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
1277 if (rc)
1278 goto out;
1279
1280 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
1281 case WLAN_CAPABILITY_DMG_TYPE_AP:
1282 network_type = WMI_NETTYPE_INFRA;
1283 break;
1284 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
1285 network_type = WMI_NETTYPE_P2P;
1286 break;
1287 default:
1288 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
1289 bss->capability);
1290 rc = -EINVAL;
1291 goto out;
1292 }
1293
1294 ch = bss->channel->hw_value;
1295 if (ch == 0) {
1296 wil_err(wil, "BSS at unknown frequency %dMhz\n",
1297 bss->channel->center_freq);
1298 rc = -EOPNOTSUPP;
1299 goto out;
1300 }
1301
1302 if (is_ft_roam) {
1303 if (network_type != WMI_NETTYPE_INFRA) {
1304 wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
1305 bss->capability);
1306 rc = -EINVAL;
1307 goto out;
1308 }
1309 rc = wil_ft_connect(wiphy, ndev, sme);
1310 if (rc == 0)
1311 vif->bss = bss;
1312 goto out;
1313 }
1314
1315 if (vif->privacy) {
1316 /* For secure assoc, remove old keys */
1317 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1318 WMI_KEY_USE_PAIRWISE);
1319 if (rc) {
1320 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1321 goto out;
1322 }
1323 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1324 WMI_KEY_USE_RX_GROUP);
1325 if (rc) {
1326 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1327 goto out;
1328 }
1329 }
1330
1331 /* WMI_CONNECT_CMD */
1332 memset(&conn, 0, sizeof(conn));
1333 conn.network_type = network_type;
1334 if (vif->privacy) {
1335 if (rsn_eid) { /* regular secure connection */
1336 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
1337 conn.auth_mode = WMI_AUTH_WPA2_PSK;
1338 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
1339 conn.pairwise_crypto_len = 16;
1340 conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
1341 conn.group_crypto_len = 16;
1342 } else { /* WSC */
1343 conn.dot11_auth_mode = WMI_AUTH11_WSC;
1344 conn.auth_mode = WMI_AUTH_NONE;
1345 }
1346 } else { /* insecure connection */
1347 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
1348 conn.auth_mode = WMI_AUTH_NONE;
1349 }
1350
1351 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1352 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1353 conn.channel = ch - 1;
1354
1355 rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config,
1356 sme->edmg.channels, &conn.edmg_channel);
1357 if (rc < 0)
1358 return rc;
1359
1360 ether_addr_copy(conn.bssid, bss->bssid);
1361 ether_addr_copy(conn.dst_mac, bss->bssid);
1362
1363 set_bit(wil_vif_fwconnecting, vif->status);
1364
1365 rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1366 if (rc == 0) {
1367 netif_carrier_on(ndev);
1368 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1369 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1370 vif->bss = bss;
1371 /* Connect can take lots of time */
1372 mod_timer(&vif->connect_timer,
1373 jiffies + msecs_to_jiffies(5000));
1374 } else {
1375 clear_bit(wil_vif_fwconnecting, vif->status);
1376 }
1377
1378 out:
1379 cfg80211_put_bss(wiphy, bss);
1380
1381 return rc;
1382 }
1383
1384 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1385 struct net_device *ndev,
1386 u16 reason_code)
1387 {
1388 int rc;
1389 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1390 struct wil6210_vif *vif = ndev_to_vif(ndev);
1391
1392 wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1393 reason_code, vif->mid);
1394
1395 if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1396 test_bit(wil_vif_fwconnected, vif->status))) {
1397 wil_err(wil, "Disconnect was called while disconnected\n");
1398 return 0;
1399 }
1400
1401 vif->locally_generated_disc = true;
1402 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1403 WMI_DISCONNECT_EVENTID, NULL, 0,
1404 WIL6210_DISCONNECT_TO_MS);
1405 if (rc)
1406 wil_err(wil, "disconnect error %d\n", rc);
1407
1408 return rc;
1409 }
1410
1411 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1412 {
1413 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1414 int rc;
1415
1416 /* these parameters are explicitly not supported */
1417 if (changed & (WIPHY_PARAM_RETRY_LONG |
1418 WIPHY_PARAM_FRAG_THRESHOLD |
1419 WIPHY_PARAM_RTS_THRESHOLD))
1420 return -ENOTSUPP;
1421
1422 if (changed & WIPHY_PARAM_RETRY_SHORT) {
1423 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1424 if (rc)
1425 return rc;
1426 }
1427
1428 return 0;
1429 }
1430
1431 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1432 struct cfg80211_mgmt_tx_params *params,
1433 u64 *cookie)
1434 {
1435 const u8 *buf = params->buf;
1436 size_t len = params->len;
1437 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1438 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1439 int rc;
1440 bool tx_status;
1441
1442 wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1443 params->chan ? params->chan->hw_value : -1,
1444 params->offchan,
1445 params->wait);
1446
1447 /* Note, currently we support the "wait" parameter only on AP mode.
1448 * In other modes, user-space must call remain_on_channel before
1449 * mgmt_tx or listen on a channel other than active one.
1450 */
1451
1452 if (params->chan && params->chan->hw_value == 0) {
1453 wil_err(wil, "invalid channel\n");
1454 return -EINVAL;
1455 }
1456
1457 if (wdev->iftype != NL80211_IFTYPE_AP) {
1458 wil_dbg_misc(wil,
1459 "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1460 rc = wmi_mgmt_tx(vif, buf, len);
1461 goto out;
1462 }
1463
1464 if (!params->chan || params->chan->hw_value == vif->channel) {
1465 wil_dbg_misc(wil,
1466 "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1467 rc = wmi_mgmt_tx(vif, buf, len);
1468 goto out;
1469 }
1470
1471 if (params->offchan == 0) {
1472 wil_err(wil,
1473 "invalid channel params: current %d requested %d, off-channel not allowed\n",
1474 vif->channel, params->chan->hw_value);
1475 return -EBUSY;
1476 }
1477
1478 /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1479 rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1480 params->wait);
1481
1482 out:
1483 /* when the sent packet was not acked by receiver(ACK=0), rc will
1484 * be -EAGAIN. In this case this function needs to return success,
1485 * the ACK=0 will be reflected in tx_status.
1486 */
1487 tx_status = (rc == 0);
1488 rc = (rc == -EAGAIN) ? 0 : rc;
1489 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1490 tx_status, GFP_KERNEL);
1491
1492 return rc;
1493 }
1494
1495 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1496 struct net_device *dev,
1497 struct cfg80211_chan_def *chandef)
1498 {
1499 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1500
1501 wil->monitor_chandef = *chandef;
1502
1503 return 0;
1504 }
1505
1506 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1507 bool pairwise)
1508 {
1509 struct wil6210_priv *wil = wdev_to_wil(wdev);
1510 enum wmi_key_usage rc;
1511
1512 if (pairwise) {
1513 rc = WMI_KEY_USE_PAIRWISE;
1514 } else {
1515 switch (wdev->iftype) {
1516 case NL80211_IFTYPE_STATION:
1517 case NL80211_IFTYPE_P2P_CLIENT:
1518 rc = WMI_KEY_USE_RX_GROUP;
1519 break;
1520 case NL80211_IFTYPE_AP:
1521 case NL80211_IFTYPE_P2P_GO:
1522 rc = WMI_KEY_USE_TX_GROUP;
1523 break;
1524 default:
1525 /* TODO: Rx GTK or Tx GTK? */
1526 wil_err(wil, "Can't determine GTK type\n");
1527 rc = WMI_KEY_USE_RX_GROUP;
1528 break;
1529 }
1530 }
1531 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1532
1533 return rc;
1534 }
1535
1536 static struct wil_sta_info *
1537 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1538 enum wmi_key_usage key_usage, const u8 *mac_addr)
1539 {
1540 int cid = -EINVAL;
1541
1542 if (key_usage == WMI_KEY_USE_TX_GROUP)
1543 return NULL; /* not needed */
1544
1545 /* supplicant provides Rx group key in STA mode with NULL MAC address */
1546 if (mac_addr)
1547 cid = wil_find_cid(wil, mid, mac_addr);
1548 else if (key_usage == WMI_KEY_USE_RX_GROUP)
1549 cid = wil_find_cid_by_idx(wil, mid, 0);
1550 if (cid < 0) {
1551 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1552 key_usage_str[key_usage]);
1553 return ERR_PTR(cid);
1554 }
1555
1556 return &wil->sta[cid];
1557 }
1558
1559 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1560 struct wil_sta_info *cs,
1561 struct key_params *params)
1562 {
1563 struct wil_tid_crypto_rx_single *cc;
1564 int tid;
1565
1566 if (!cs)
1567 return;
1568
1569 switch (key_usage) {
1570 case WMI_KEY_USE_STORE_PTK:
1571 case WMI_KEY_USE_PAIRWISE:
1572 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1573 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1574 if (params->seq)
1575 memcpy(cc->pn, params->seq,
1576 IEEE80211_GCMP_PN_LEN);
1577 else
1578 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1579 cc->key_set = true;
1580 }
1581 break;
1582 case WMI_KEY_USE_RX_GROUP:
1583 cc = &cs->group_crypto_rx.key_id[key_index];
1584 if (params->seq)
1585 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1586 else
1587 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1588 cc->key_set = true;
1589 break;
1590 default:
1591 break;
1592 }
1593 }
1594
1595 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1596 struct wil_sta_info *cs)
1597 {
1598 struct wil_tid_crypto_rx_single *cc;
1599 int tid;
1600
1601 if (!cs)
1602 return;
1603
1604 switch (key_usage) {
1605 case WMI_KEY_USE_PAIRWISE:
1606 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1607 cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1608 cc->key_set = false;
1609 }
1610 break;
1611 case WMI_KEY_USE_RX_GROUP:
1612 cc = &cs->group_crypto_rx.key_id[key_index];
1613 cc->key_set = false;
1614 break;
1615 default:
1616 break;
1617 }
1618 }
1619
1620 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1621 struct net_device *ndev, int link_id,
1622 u8 key_index, bool pairwise,
1623 const u8 *mac_addr,
1624 struct key_params *params)
1625 {
1626 int rc;
1627 struct wil6210_vif *vif = ndev_to_vif(ndev);
1628 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1629 struct wireless_dev *wdev = vif_to_wdev(vif);
1630 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1631 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1632 key_usage,
1633 mac_addr);
1634
1635 if (!params) {
1636 wil_err(wil, "NULL params\n");
1637 return -EINVAL;
1638 }
1639
1640 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1641 mac_addr, key_usage_str[key_usage], key_index,
1642 params->seq_len, params->seq);
1643
1644 if (IS_ERR(cs)) {
1645 /* in FT, sta info may not be available as add_key may be
1646 * sent by host before FW sends WMI_CONNECT_EVENT
1647 */
1648 if (!test_bit(wil_vif_ft_roam, vif->status)) {
1649 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1650 mac_addr, key_usage_str[key_usage], key_index,
1651 params->seq_len, params->seq);
1652 return -EINVAL;
1653 }
1654 } else {
1655 wil_del_rx_key(key_index, key_usage, cs);
1656 }
1657
1658 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1659 wil_err(wil,
1660 "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1661 params->seq_len, mac_addr,
1662 key_usage_str[key_usage], key_index,
1663 params->seq_len, params->seq);
1664 return -EINVAL;
1665 }
1666
1667 spin_lock_bh(&wil->eap_lock);
1668 if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION &&
1669 (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED ||
1670 vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) {
1671 key_usage = WMI_KEY_USE_STORE_PTK;
1672 vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT;
1673 wil_dbg_misc(wil, "Store EAPOL key\n");
1674 }
1675 spin_unlock_bh(&wil->eap_lock);
1676
1677 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1678 params->key, key_usage);
1679 if (!rc && !IS_ERR(cs)) {
1680 /* update local storage used for AP recovery */
1681 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
1682 params->key_len <= WMI_MAX_KEY_LEN) {
1683 vif->gtk_index = key_index;
1684 memcpy(vif->gtk, params->key, params->key_len);
1685 vif->gtk_len = params->key_len;
1686 }
1687 /* in FT set crypto will take place upon receiving
1688 * WMI_RING_EN_EVENTID event
1689 */
1690 wil_set_crypto_rx(key_index, key_usage, cs, params);
1691 }
1692
1693 return rc;
1694 }
1695
1696 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1697 struct net_device *ndev, int link_id,
1698 u8 key_index, bool pairwise,
1699 const u8 *mac_addr)
1700 {
1701 struct wil6210_vif *vif = ndev_to_vif(ndev);
1702 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1703 struct wireless_dev *wdev = vif_to_wdev(vif);
1704 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1705 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1706 key_usage,
1707 mac_addr);
1708
1709 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1710 key_usage_str[key_usage], key_index);
1711
1712 if (IS_ERR(cs))
1713 wil_info(wil, "Not connected, %pM %s[%d]\n",
1714 mac_addr, key_usage_str[key_usage], key_index);
1715
1716 if (!IS_ERR_OR_NULL(cs))
1717 wil_del_rx_key(key_index, key_usage, cs);
1718
1719 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1720 }
1721
1722 /* Need to be present or wiphy_new() will WARN */
1723 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1724 struct net_device *ndev, int link_id,
1725 u8 key_index, bool unicast,
1726 bool multicast)
1727 {
1728 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1729
1730 wil_dbg_misc(wil, "set_default_key: entered\n");
1731 return 0;
1732 }
1733
1734 static int wil_remain_on_channel(struct wiphy *wiphy,
1735 struct wireless_dev *wdev,
1736 struct ieee80211_channel *chan,
1737 unsigned int duration,
1738 u64 *cookie)
1739 {
1740 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1741 int rc;
1742
1743 wil_dbg_misc(wil,
1744 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1745 chan->center_freq, duration, wdev->iftype);
1746
1747 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1748 return rc;
1749 }
1750
1751 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1752 struct wireless_dev *wdev,
1753 u64 cookie)
1754 {
1755 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1756 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1757
1758 wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1759
1760 return wil_p2p_cancel_listen(vif, cookie);
1761 }
1762
1763 /*
1764 * find a specific IE in a list of IEs
1765 * return a pointer to the beginning of IE in the list
1766 * or NULL if not found
1767 */
1768 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1769 u16 ie_len)
1770 {
1771 struct ieee80211_vendor_ie *vie;
1772 u32 oui;
1773
1774 /* IE tag at offset 0, length at offset 1 */
1775 if (ie_len < 2 || 2 + ie[1] > ie_len)
1776 return NULL;
1777
1778 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1779 return cfg80211_find_ie(ie[0], ies, ies_len);
1780
1781 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1782 if (ie[1] < 4)
1783 return NULL;
1784 vie = (struct ieee80211_vendor_ie *)ie;
1785 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1786 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1787 ies_len);
1788 }
1789
1790 /*
1791 * merge the IEs in two lists into a single list.
1792 * do not include IEs from the second list which exist in the first list.
1793 * add only vendor specific IEs from second list to keep
1794 * the merged list sorted (since vendor-specific IE has the
1795 * highest tag number)
1796 * caller must free the allocated memory for merged IEs
1797 */
1798 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1799 const u8 *ies2, u16 ies2_len,
1800 u8 **merged_ies, u16 *merged_len)
1801 {
1802 u8 *buf, *dpos;
1803 const u8 *spos;
1804
1805 if (!ies1)
1806 ies1_len = 0;
1807
1808 if (!ies2)
1809 ies2_len = 0;
1810
1811 if (ies1_len == 0 && ies2_len == 0) {
1812 *merged_ies = NULL;
1813 *merged_len = 0;
1814 return 0;
1815 }
1816
1817 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1818 if (!buf)
1819 return -ENOMEM;
1820 if (ies1)
1821 memcpy(buf, ies1, ies1_len);
1822 dpos = buf + ies1_len;
1823 spos = ies2;
1824 while (spos && (spos + 1 < ies2 + ies2_len)) {
1825 /* IE tag at offset 0, length at offset 1 */
1826 u16 ielen = 2 + spos[1];
1827
1828 if (spos + ielen > ies2 + ies2_len)
1829 break;
1830 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1831 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
1832 spos, ielen))) {
1833 memcpy(dpos, spos, ielen);
1834 dpos += ielen;
1835 }
1836 spos += ielen;
1837 }
1838
1839 *merged_ies = buf;
1840 *merged_len = dpos - buf;
1841 return 0;
1842 }
1843
1844 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1845 {
1846 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1,
1847 b->head, b->head_len, true);
1848 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1,
1849 b->tail, b->tail_len, true);
1850 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1,
1851 b->beacon_ies, b->beacon_ies_len, true);
1852 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1,
1853 b->probe_resp, b->probe_resp_len, true);
1854 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1855 b->proberesp_ies, b->proberesp_ies_len, true);
1856 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1857 b->assocresp_ies, b->assocresp_ies_len, true);
1858 }
1859
1860 /* internal functions for device reset and starting AP */
1861 static u8 *
1862 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
1863 u16 *ies_len)
1864 {
1865 u8 *ies = NULL;
1866
1867 if (proberesp) {
1868 struct ieee80211_mgmt *f =
1869 (struct ieee80211_mgmt *)proberesp;
1870 size_t hlen = offsetof(struct ieee80211_mgmt,
1871 u.probe_resp.variable);
1872
1873 ies = f->u.probe_resp.variable;
1874 if (ies_len)
1875 *ies_len = proberesp_len - hlen;
1876 }
1877
1878 return ies;
1879 }
1880
1881 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1882 struct cfg80211_beacon_data *bcon)
1883 {
1884 int rc;
1885 u16 len = 0, proberesp_len = 0;
1886 u8 *ies = NULL, *proberesp;
1887
1888 /* update local storage used for AP recovery */
1889 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
1890 bcon->probe_resp_len);
1891 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
1892 bcon->proberesp_ies, bcon->proberesp_ies_len);
1893 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
1894 bcon->assocresp_ies, bcon->assocresp_ies_len);
1895
1896 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1897 bcon->probe_resp_len,
1898 &proberesp_len);
1899 rc = _wil_cfg80211_merge_extra_ies(proberesp,
1900 proberesp_len,
1901 bcon->proberesp_ies,
1902 bcon->proberesp_ies_len,
1903 &ies, &len);
1904
1905 if (rc)
1906 goto out;
1907
1908 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1909 if (rc)
1910 goto out;
1911
1912 if (bcon->assocresp_ies)
1913 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1914 bcon->assocresp_ies_len, bcon->assocresp_ies);
1915 else
1916 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1917 #if 0 /* to use beacon IE's, remove this #if 0 */
1918 if (rc)
1919 goto out;
1920
1921 rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1922 bcon->tail_len, bcon->tail);
1923 #endif
1924 out:
1925 kfree(ies);
1926 return rc;
1927 }
1928
1929 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1930 struct net_device *ndev,
1931 const u8 *ssid, size_t ssid_len, u32 privacy,
1932 int bi, u8 chan, u8 wmi_edmg_channel,
1933 struct cfg80211_beacon_data *bcon,
1934 u8 hidden_ssid, u32 pbss)
1935 {
1936 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1937 struct wil6210_vif *vif = ndev_to_vif(ndev);
1938 int rc;
1939 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1940 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1941 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1942 u16 proberesp_len = 0;
1943 u8 *proberesp;
1944 bool ft = false;
1945
1946 if (pbss)
1947 wmi_nettype = WMI_NETTYPE_P2P;
1948
1949 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1950 if (is_go && !pbss) {
1951 wil_err(wil, "P2P GO must be in PBSS\n");
1952 return -ENOTSUPP;
1953 }
1954
1955 wil_set_recovery_state(wil, fw_recovery_idle);
1956
1957 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1958 bcon->probe_resp_len,
1959 &proberesp_len);
1960 /* check that the probe response IEs has a MDE */
1961 if ((proberesp && proberesp_len > 0 &&
1962 cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
1963 proberesp,
1964 proberesp_len)))
1965 ft = true;
1966
1967 if (ft) {
1968 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
1969 wil->fw_capabilities)) {
1970 wil_err(wil, "FW does not support FT roaming\n");
1971 return -ENOTSUPP;
1972 }
1973 set_bit(wil_vif_ft_roam, vif->status);
1974 }
1975
1976 mutex_lock(&wil->mutex);
1977
1978 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1979 __wil_down(wil);
1980 rc = __wil_up(wil);
1981 if (rc)
1982 goto out;
1983 }
1984
1985 rc = wmi_set_ssid(vif, ssid_len, ssid);
1986 if (rc)
1987 goto out;
1988
1989 rc = _wil_cfg80211_set_ies(vif, bcon);
1990 if (rc)
1991 goto out;
1992
1993 vif->privacy = privacy;
1994 vif->channel = chan;
1995 vif->wmi_edmg_channel = wmi_edmg_channel;
1996 vif->hidden_ssid = hidden_ssid;
1997 vif->pbss = pbss;
1998 vif->bi = bi;
1999 memcpy(vif->ssid, ssid, ssid_len);
2000 vif->ssid_len = ssid_len;
2001
2002 netif_carrier_on(ndev);
2003 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2004 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
2005
2006 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel,
2007 hidden_ssid, is_go);
2008 if (rc)
2009 goto err_pcp_start;
2010
2011 rc = wil_bcast_init(vif);
2012 if (rc)
2013 goto err_bcast;
2014
2015 goto out; /* success */
2016
2017 err_bcast:
2018 wmi_pcp_stop(vif);
2019 err_pcp_start:
2020 netif_carrier_off(ndev);
2021 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2022 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2023 out:
2024 mutex_unlock(&wil->mutex);
2025 return rc;
2026 }
2027
2028 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
2029 {
2030 int rc, i;
2031 struct wiphy *wiphy = wil_to_wiphy(wil);
2032
2033 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
2034 struct wil6210_vif *vif = wil->vifs[i];
2035 struct net_device *ndev;
2036 struct cfg80211_beacon_data bcon = {};
2037 struct key_params key_params = {};
2038
2039 if (!vif || vif->ssid_len == 0)
2040 continue;
2041
2042 ndev = vif_to_ndev(vif);
2043 bcon.proberesp_ies = vif->proberesp_ies;
2044 bcon.assocresp_ies = vif->assocresp_ies;
2045 bcon.probe_resp = vif->proberesp;
2046 bcon.proberesp_ies_len = vif->proberesp_ies_len;
2047 bcon.assocresp_ies_len = vif->assocresp_ies_len;
2048 bcon.probe_resp_len = vif->proberesp_len;
2049
2050 wil_info(wil,
2051 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
2052 i, vif->privacy, vif->bi, vif->channel,
2053 vif->hidden_ssid, vif->pbss);
2054 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2055 vif->ssid, vif->ssid_len, true);
2056 rc = _wil_cfg80211_start_ap(wiphy, ndev,
2057 vif->ssid, vif->ssid_len,
2058 vif->privacy, vif->bi,
2059 vif->channel,
2060 vif->wmi_edmg_channel, &bcon,
2061 vif->hidden_ssid, vif->pbss);
2062 if (rc) {
2063 wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
2064 continue;
2065 }
2066
2067 if (!vif->privacy || vif->gtk_len == 0)
2068 continue;
2069
2070 key_params.key = vif->gtk;
2071 key_params.key_len = vif->gtk_len;
2072 key_params.seq_len = IEEE80211_GCMP_PN_LEN;
2073 rc = wil_cfg80211_add_key(wiphy, ndev, -1, vif->gtk_index,
2074 false, NULL, &key_params);
2075 if (rc)
2076 wil_err(wil, "vif %d recovery add key failed (%d)\n",
2077 i, rc);
2078 }
2079 }
2080
2081 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
2082 struct net_device *ndev,
2083 struct cfg80211_ap_update *params)
2084 {
2085 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2086 struct wireless_dev *wdev = ndev->ieee80211_ptr;
2087 struct wil6210_vif *vif = ndev_to_vif(ndev);
2088 struct cfg80211_beacon_data *bcon = &params->beacon;
2089 int rc;
2090 u32 privacy = 0;
2091
2092 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
2093 wil_print_bcon_data(bcon);
2094
2095 if (bcon->tail &&
2096 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
2097 bcon->tail_len))
2098 privacy = 1;
2099
2100 memcpy(vif->ssid, wdev->u.ap.ssid, wdev->u.ap.ssid_len);
2101 vif->ssid_len = wdev->u.ap.ssid_len;
2102
2103 /* in case privacy has changed, need to restart the AP */
2104 if (vif->privacy != privacy) {
2105 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
2106 vif->privacy, privacy);
2107
2108 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
2109 vif->ssid_len, privacy,
2110 wdev->links[0].ap.beacon_interval,
2111 vif->channel,
2112 vif->wmi_edmg_channel, bcon,
2113 vif->hidden_ssid,
2114 vif->pbss);
2115 } else {
2116 rc = _wil_cfg80211_set_ies(vif, bcon);
2117 }
2118
2119 return rc;
2120 }
2121
2122 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
2123 struct net_device *ndev,
2124 struct cfg80211_ap_settings *info)
2125 {
2126 int rc;
2127 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2128 struct ieee80211_channel *channel = info->chandef.chan;
2129 struct cfg80211_beacon_data *bcon = &info->beacon;
2130 struct cfg80211_crypto_settings *crypto = &info->crypto;
2131 u8 wmi_edmg_channel;
2132 u8 hidden_ssid;
2133
2134 wil_dbg_misc(wil, "start_ap\n");
2135
2136 rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config,
2137 info->chandef.edmg.channels,
2138 &wmi_edmg_channel);
2139 if (rc < 0)
2140 return rc;
2141
2142 if (!channel) {
2143 wil_err(wil, "AP: No channel???\n");
2144 return -EINVAL;
2145 }
2146
2147 switch (info->hidden_ssid) {
2148 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2149 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
2150 break;
2151
2152 case NL80211_HIDDEN_SSID_ZERO_LEN:
2153 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
2154 break;
2155
2156 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2157 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
2158 break;
2159
2160 default:
2161 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
2162 return -EOPNOTSUPP;
2163 }
2164 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
2165 channel->center_freq, info->privacy ? "secure" : "open");
2166 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
2167 info->privacy, info->auth_type);
2168 wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
2169 info->hidden_ssid);
2170 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
2171 info->dtim_period);
2172 wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
2173 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2174 info->ssid, info->ssid_len, true);
2175 wil_print_bcon_data(bcon);
2176 wil_print_crypto(wil, crypto);
2177
2178 rc = _wil_cfg80211_start_ap(wiphy, ndev,
2179 info->ssid, info->ssid_len, info->privacy,
2180 info->beacon_interval, channel->hw_value,
2181 wmi_edmg_channel, bcon, hidden_ssid,
2182 info->pbss);
2183
2184 return rc;
2185 }
2186
2187 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
2188 struct net_device *ndev,
2189 unsigned int link_id)
2190 {
2191 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2192 struct wil6210_vif *vif = ndev_to_vif(ndev);
2193 bool last;
2194
2195 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
2196
2197 netif_carrier_off(ndev);
2198 last = !wil_has_other_active_ifaces(wil, ndev, false, true);
2199 if (last) {
2200 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2201 wil_set_recovery_state(wil, fw_recovery_idle);
2202 set_bit(wil_status_resetting, wil->status);
2203 }
2204
2205 mutex_lock(&wil->mutex);
2206
2207 wmi_pcp_stop(vif);
2208 clear_bit(wil_vif_ft_roam, vif->status);
2209 vif->ssid_len = 0;
2210 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
2211 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
2212 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
2213 memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
2214 vif->gtk_len = 0;
2215
2216 if (last)
2217 __wil_down(wil);
2218 else
2219 wil_bcast_fini(vif);
2220
2221 mutex_unlock(&wil->mutex);
2222
2223 return 0;
2224 }
2225
2226 static int wil_cfg80211_add_station(struct wiphy *wiphy,
2227 struct net_device *dev,
2228 const u8 *mac,
2229 struct station_parameters *params)
2230 {
2231 struct wil6210_vif *vif = ndev_to_vif(dev);
2232 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2233
2234 wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
2235 mac, params->aid, vif->mid,
2236 params->sta_flags_mask, params->sta_flags_set);
2237
2238 if (!disable_ap_sme) {
2239 wil_err(wil, "not supported with AP SME enabled\n");
2240 return -EOPNOTSUPP;
2241 }
2242
2243 if (params->aid > WIL_MAX_DMG_AID) {
2244 wil_err(wil, "invalid aid\n");
2245 return -EINVAL;
2246 }
2247
2248 return wmi_new_sta(vif, mac, params->aid);
2249 }
2250
2251 static int wil_cfg80211_del_station(struct wiphy *wiphy,
2252 struct net_device *dev,
2253 struct station_del_parameters *params)
2254 {
2255 struct wil6210_vif *vif = ndev_to_vif(dev);
2256 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2257
2258 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
2259 params->mac, params->reason_code, vif->mid);
2260
2261 mutex_lock(&wil->mutex);
2262 wil6210_disconnect(vif, params->mac, params->reason_code);
2263 mutex_unlock(&wil->mutex);
2264
2265 return 0;
2266 }
2267
2268 static int wil_cfg80211_change_station(struct wiphy *wiphy,
2269 struct net_device *dev,
2270 const u8 *mac,
2271 struct station_parameters *params)
2272 {
2273 struct wil6210_vif *vif = ndev_to_vif(dev);
2274 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2275 int authorize;
2276 int cid, i;
2277 struct wil_ring_tx_data *txdata = NULL;
2278
2279 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
2280 mac, params->sta_flags_mask, params->sta_flags_set,
2281 vif->mid);
2282
2283 if (!disable_ap_sme) {
2284 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
2285 return -EOPNOTSUPP;
2286 }
2287
2288 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2289 return 0;
2290
2291 cid = wil_find_cid(wil, vif->mid, mac);
2292 if (cid < 0) {
2293 wil_err(wil, "station not found\n");
2294 return -ENOLINK;
2295 }
2296
2297 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
2298 if (wil->ring2cid_tid[i][0] == cid) {
2299 txdata = &wil->ring_tx_data[i];
2300 break;
2301 }
2302
2303 if (!txdata) {
2304 wil_err(wil, "ring data not found\n");
2305 return -ENOLINK;
2306 }
2307
2308 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
2309 txdata->dot1x_open = authorize ? 1 : 0;
2310 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
2311 txdata->dot1x_open);
2312
2313 return 0;
2314 }
2315
2316 /* probe_client handling */
2317 static void wil_probe_client_handle(struct wil6210_priv *wil,
2318 struct wil6210_vif *vif,
2319 struct wil_probe_client_req *req)
2320 {
2321 struct net_device *ndev = vif_to_ndev(vif);
2322 struct wil_sta_info *sta = &wil->sta[req->cid];
2323 /* assume STA is alive if it is still connected,
2324 * else FW will disconnect it
2325 */
2326 bool alive = (sta->status == wil_sta_connected);
2327
2328 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
2329 0, false, GFP_KERNEL);
2330 }
2331
2332 static struct list_head *next_probe_client(struct wil6210_vif *vif)
2333 {
2334 struct list_head *ret = NULL;
2335
2336 mutex_lock(&vif->probe_client_mutex);
2337
2338 if (!list_empty(&vif->probe_client_pending)) {
2339 ret = vif->probe_client_pending.next;
2340 list_del(ret);
2341 }
2342
2343 mutex_unlock(&vif->probe_client_mutex);
2344
2345 return ret;
2346 }
2347
2348 void wil_probe_client_worker(struct work_struct *work)
2349 {
2350 struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
2351 probe_client_worker);
2352 struct wil6210_priv *wil = vif_to_wil(vif);
2353 struct wil_probe_client_req *req;
2354 struct list_head *lh;
2355
2356 while ((lh = next_probe_client(vif)) != NULL) {
2357 req = list_entry(lh, struct wil_probe_client_req, list);
2358
2359 wil_probe_client_handle(wil, vif, req);
2360 kfree(req);
2361 }
2362 }
2363
2364 void wil_probe_client_flush(struct wil6210_vif *vif)
2365 {
2366 struct wil_probe_client_req *req, *t;
2367 struct wil6210_priv *wil = vif_to_wil(vif);
2368
2369 wil_dbg_misc(wil, "probe_client_flush\n");
2370
2371 mutex_lock(&vif->probe_client_mutex);
2372
2373 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
2374 list_del(&req->list);
2375 kfree(req);
2376 }
2377
2378 mutex_unlock(&vif->probe_client_mutex);
2379 }
2380
2381 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
2382 struct net_device *dev,
2383 const u8 *peer, u64 *cookie)
2384 {
2385 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2386 struct wil6210_vif *vif = ndev_to_vif(dev);
2387 struct wil_probe_client_req *req;
2388 int cid = wil_find_cid(wil, vif->mid, peer);
2389
2390 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
2391 peer, cid, vif->mid);
2392
2393 if (cid < 0)
2394 return -ENOLINK;
2395
2396 req = kzalloc(sizeof(*req), GFP_KERNEL);
2397 if (!req)
2398 return -ENOMEM;
2399
2400 req->cid = cid;
2401 req->cookie = cid;
2402
2403 mutex_lock(&vif->probe_client_mutex);
2404 list_add_tail(&req->list, &vif->probe_client_pending);
2405 mutex_unlock(&vif->probe_client_mutex);
2406
2407 *cookie = req->cookie;
2408 queue_work(wil->wq_service, &vif->probe_client_worker);
2409 return 0;
2410 }
2411
2412 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
2413 struct net_device *dev,
2414 struct bss_parameters *params)
2415 {
2416 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2417 struct wil6210_vif *vif = ndev_to_vif(dev);
2418
2419 if (params->ap_isolate >= 0) {
2420 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
2421 vif->mid, vif->ap_isolate, params->ap_isolate);
2422 vif->ap_isolate = params->ap_isolate;
2423 }
2424
2425 return 0;
2426 }
2427
2428 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
2429 struct net_device *dev,
2430 bool enabled, int timeout)
2431 {
2432 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2433 enum wmi_ps_profile_type ps_profile;
2434
2435 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
2436 enabled, timeout);
2437
2438 if (enabled)
2439 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
2440 else
2441 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
2442
2443 return wil_ps_update(wil, ps_profile);
2444 }
2445
2446 static int wil_cfg80211_suspend(struct wiphy *wiphy,
2447 struct cfg80211_wowlan *wow)
2448 {
2449 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2450 int rc;
2451
2452 /* Setting the wakeup trigger based on wow is TBD */
2453
2454 if (test_bit(wil_status_suspended, wil->status)) {
2455 wil_dbg_pm(wil, "trying to suspend while suspended\n");
2456 return 0;
2457 }
2458
2459 rc = wil_can_suspend(wil, false);
2460 if (rc)
2461 goto out;
2462
2463 wil_dbg_pm(wil, "suspending\n");
2464
2465 mutex_lock(&wil->mutex);
2466 mutex_lock(&wil->vif_mutex);
2467 wil_p2p_stop_radio_operations(wil);
2468 wil_abort_scan_all_vifs(wil, true);
2469 mutex_unlock(&wil->vif_mutex);
2470 mutex_unlock(&wil->mutex);
2471
2472 out:
2473 return rc;
2474 }
2475
2476 static int wil_cfg80211_resume(struct wiphy *wiphy)
2477 {
2478 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2479
2480 wil_dbg_pm(wil, "resuming\n");
2481
2482 return 0;
2483 }
2484
2485 static int
2486 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
2487 struct net_device *dev,
2488 struct cfg80211_sched_scan_request *request)
2489 {
2490 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2491 struct wil6210_vif *vif = ndev_to_vif(dev);
2492 int i, rc;
2493
2494 if (vif->mid != 0)
2495 return -EOPNOTSUPP;
2496
2497 wil_dbg_misc(wil,
2498 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
2499 request->n_ssids, request->ie_len, request->flags);
2500 for (i = 0; i < request->n_ssids; i++) {
2501 wil_dbg_misc(wil, "SSID[%d]:", i);
2502 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2503 request->ssids[i].ssid,
2504 request->ssids[i].ssid_len, true);
2505 }
2506 wil_dbg_misc(wil, "channels:");
2507 for (i = 0; i < request->n_channels; i++)
2508 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
2509 i == request->n_channels - 1 ? "\n" : "");
2510 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
2511 request->n_match_sets, request->min_rssi_thold,
2512 request->delay);
2513 for (i = 0; i < request->n_match_sets; i++) {
2514 struct cfg80211_match_set *ms = &request->match_sets[i];
2515
2516 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2517 i, ms->rssi_thold);
2518 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2519 ms->ssid.ssid,
2520 ms->ssid.ssid_len, true);
2521 }
2522 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2523 for (i = 0; i < request->n_scan_plans; i++) {
2524 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2525
2526 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2527 i, sp->interval, sp->iterations);
2528 }
2529
2530 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2531 request->ie_len, request->ie);
2532 if (rc)
2533 return rc;
2534 return wmi_start_sched_scan(wil, request);
2535 }
2536
2537 static int
2538 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2539 u64 reqid)
2540 {
2541 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2542 struct wil6210_vif *vif = ndev_to_vif(dev);
2543 int rc;
2544
2545 if (vif->mid != 0)
2546 return -EOPNOTSUPP;
2547
2548 rc = wmi_stop_sched_scan(wil);
2549 /* device would return error if it thinks PNO is already stopped.
2550 * ignore the return code so user space and driver gets back in-sync
2551 */
2552 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2553
2554 return 0;
2555 }
2556
2557 static int
2558 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
2559 struct cfg80211_update_ft_ies_params *ftie)
2560 {
2561 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2562 struct wil6210_vif *vif = ndev_to_vif(dev);
2563 struct cfg80211_bss *bss;
2564 struct wmi_ft_reassoc_cmd reassoc;
2565 int rc = 0;
2566
2567 wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
2568 wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
2569 ftie->ie, ftie->ie_len, true);
2570
2571 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
2572 wil_err(wil, "FW does not support FT roaming\n");
2573 return -EOPNOTSUPP;
2574 }
2575
2576 rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
2577 if (rc)
2578 return rc;
2579
2580 if (!test_bit(wil_vif_ft_roam, vif->status))
2581 /* vif is not roaming */
2582 return 0;
2583
2584 /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
2585 * a trigger for reassoc
2586 */
2587
2588 bss = vif->bss;
2589 if (!bss) {
2590 wil_err(wil, "FT: bss is NULL\n");
2591 return -EINVAL;
2592 }
2593
2594 memset(&reassoc, 0, sizeof(reassoc));
2595 ether_addr_copy(reassoc.bssid, bss->bssid);
2596
2597 rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
2598 &reassoc, sizeof(reassoc));
2599 if (rc)
2600 wil_err(wil, "FT: reassoc failed (%d)\n", rc);
2601
2602 return rc;
2603 }
2604
2605 static int wil_cfg80211_set_multicast_to_unicast(struct wiphy *wiphy,
2606 struct net_device *dev,
2607 const bool enabled)
2608 {
2609 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2610
2611 if (wil->multicast_to_unicast == enabled)
2612 return 0;
2613
2614 wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled);
2615 wil->multicast_to_unicast = enabled;
2616
2617 return 0;
2618 }
2619
2620 static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
2621 struct net_device *dev,
2622 s32 rssi_thold, u32 rssi_hyst)
2623 {
2624 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2625 int rc;
2626
2627 wil->cqm_rssi_thold = rssi_thold;
2628
2629 rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst);
2630 if (rc)
2631 /* reset stored value upon failure */
2632 wil->cqm_rssi_thold = 0;
2633
2634 return rc;
2635 }
2636
2637 static const struct cfg80211_ops wil_cfg80211_ops = {
2638 .add_virtual_intf = wil_cfg80211_add_iface,
2639 .del_virtual_intf = wil_cfg80211_del_iface,
2640 .scan = wil_cfg80211_scan,
2641 .abort_scan = wil_cfg80211_abort_scan,
2642 .connect = wil_cfg80211_connect,
2643 .disconnect = wil_cfg80211_disconnect,
2644 .set_wiphy_params = wil_cfg80211_set_wiphy_params,
2645 .change_virtual_intf = wil_cfg80211_change_iface,
2646 .get_station = wil_cfg80211_get_station,
2647 .dump_station = wil_cfg80211_dump_station,
2648 .remain_on_channel = wil_remain_on_channel,
2649 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
2650 .mgmt_tx = wil_cfg80211_mgmt_tx,
2651 .set_monitor_channel = wil_cfg80211_set_channel,
2652 .add_key = wil_cfg80211_add_key,
2653 .del_key = wil_cfg80211_del_key,
2654 .set_default_key = wil_cfg80211_set_default_key,
2655 /* AP mode */
2656 .change_beacon = wil_cfg80211_change_beacon,
2657 .start_ap = wil_cfg80211_start_ap,
2658 .stop_ap = wil_cfg80211_stop_ap,
2659 .add_station = wil_cfg80211_add_station,
2660 .del_station = wil_cfg80211_del_station,
2661 .change_station = wil_cfg80211_change_station,
2662 .probe_client = wil_cfg80211_probe_client,
2663 .change_bss = wil_cfg80211_change_bss,
2664 /* P2P device */
2665 .start_p2p_device = wil_cfg80211_start_p2p_device,
2666 .stop_p2p_device = wil_cfg80211_stop_p2p_device,
2667 .set_power_mgmt = wil_cfg80211_set_power_mgmt,
2668 .set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config,
2669 .suspend = wil_cfg80211_suspend,
2670 .resume = wil_cfg80211_resume,
2671 .sched_scan_start = wil_cfg80211_sched_scan_start,
2672 .sched_scan_stop = wil_cfg80211_sched_scan_stop,
2673 .update_ft_ies = wil_cfg80211_update_ft_ies,
2674 .set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast,
2675 };
2676
2677 static void wil_wiphy_init(struct wiphy *wiphy)
2678 {
2679 wiphy->max_scan_ssids = 1;
2680 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2681 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2682 wiphy->max_num_pmkids = 0 /* TODO: */;
2683 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2684 BIT(NL80211_IFTYPE_AP) |
2685 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2686 BIT(NL80211_IFTYPE_P2P_GO) |
2687 BIT(NL80211_IFTYPE_P2P_DEVICE) |
2688 BIT(NL80211_IFTYPE_MONITOR);
2689 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2690 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2691 WIPHY_FLAG_PS_ON_BY_DEFAULT;
2692 if (!disable_ap_sme)
2693 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2694 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2695 __func__, wiphy->flags);
2696 wiphy->probe_resp_offload =
2697 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2698 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2699 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2700
2701 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2702
2703 /* may change after reading FW capabilities */
2704 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2705
2706 wiphy->cipher_suites = wil_cipher_suites;
2707 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2708 wiphy->mgmt_stypes = wil_mgmt_stypes;
2709 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2710
2711 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2712 wiphy->vendor_commands = wil_nl80211_vendor_commands;
2713
2714 #ifdef CONFIG_PM
2715 wiphy->wowlan = &wil_wowlan_support;
2716 #endif
2717 }
2718
2719 int wil_cfg80211_iface_combinations_from_fw(
2720 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2721 {
2722 struct wiphy *wiphy = wil_to_wiphy(wil);
2723 u32 total_limits = 0;
2724 u16 n_combos;
2725 const struct wil_fw_concurrency_combo *combo;
2726 const struct wil_fw_concurrency_limit *limit;
2727 struct ieee80211_iface_combination *iface_combinations;
2728 struct ieee80211_iface_limit *iface_limit;
2729 int i, j;
2730
2731 if (wiphy->iface_combinations) {
2732 wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2733 return 0;
2734 }
2735
2736 combo = (const struct wil_fw_concurrency_combo *)(conc + 1);
2737 n_combos = le16_to_cpu(conc->n_combos);
2738 for (i = 0; i < n_combos; i++) {
2739 total_limits += combo->n_limits;
2740 limit = combo->limits + combo->n_limits;
2741 combo = (struct wil_fw_concurrency_combo *)limit;
2742 }
2743
2744 iface_combinations =
2745 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2746 total_limits * sizeof(struct ieee80211_iface_limit),
2747 GFP_KERNEL);
2748 if (!iface_combinations)
2749 return -ENOMEM;
2750 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2751 n_combos);
2752 combo = (const struct wil_fw_concurrency_combo *)(conc + 1);
2753 for (i = 0; i < n_combos; i++) {
2754 iface_combinations[i].max_interfaces = combo->max_interfaces;
2755 iface_combinations[i].num_different_channels =
2756 combo->n_diff_channels;
2757 iface_combinations[i].beacon_int_infra_match =
2758 combo->same_bi;
2759 iface_combinations[i].n_limits = combo->n_limits;
2760 wil_dbg_misc(wil,
2761 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2762 i, iface_combinations[i].max_interfaces,
2763 iface_combinations[i].num_different_channels,
2764 iface_combinations[i].beacon_int_infra_match);
2765 limit = combo->limits;
2766 for (j = 0; j < combo->n_limits; j++) {
2767 iface_limit[j].max = le16_to_cpu(limit[j].max);
2768 iface_limit[j].types = le16_to_cpu(limit[j].types);
2769 wil_dbg_misc(wil,
2770 "limit %d: max %d types 0x%x\n", j,
2771 iface_limit[j].max, iface_limit[j].types);
2772 }
2773 iface_combinations[i].limits = iface_limit;
2774 iface_limit += combo->n_limits;
2775 limit += combo->n_limits;
2776 combo = (struct wil_fw_concurrency_combo *)limit;
2777 }
2778
2779 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2780 wil->max_vifs = conc->n_mids + 1; /* including main interface */
2781 if (wil->max_vifs > WIL_MAX_VIFS) {
2782 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2783 WIL_MAX_VIFS, wil->max_vifs);
2784 wil->max_vifs = WIL_MAX_VIFS;
2785 }
2786 wiphy->n_iface_combinations = n_combos;
2787 wiphy->iface_combinations = iface_combinations;
2788 return 0;
2789 }
2790
2791 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2792 {
2793 struct wiphy *wiphy;
2794 struct wil6210_priv *wil;
2795 struct ieee80211_channel *ch;
2796
2797 dev_dbg(dev, "%s()\n", __func__);
2798
2799 /* Note: the wireless_dev structure is no longer allocated here.
2800 * Instead, it is allocated as part of the net_device structure
2801 * for main interface and each VIF.
2802 */
2803 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2804 if (!wiphy)
2805 return ERR_PTR(-ENOMEM);
2806
2807 set_wiphy_dev(wiphy, dev);
2808 wil_wiphy_init(wiphy);
2809
2810 wil = wiphy_to_wil(wiphy);
2811 wil->wiphy = wiphy;
2812
2813 /* default monitor channel */
2814 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2815 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2816
2817 return wil;
2818 }
2819
2820 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2821 {
2822 struct wiphy *wiphy = wil_to_wiphy(wil);
2823
2824 dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2825
2826 if (!wiphy)
2827 return;
2828
2829 kfree(wiphy->iface_combinations);
2830 wiphy->iface_combinations = NULL;
2831
2832 wiphy_free(wiphy);
2833 /* do not access wil6210_priv after returning from here */
2834 }
2835
2836 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2837 {
2838 struct wireless_dev *p2p_wdev;
2839
2840 mutex_lock(&wil->vif_mutex);
2841 p2p_wdev = wil->p2p_wdev;
2842 wil->p2p_wdev = NULL;
2843 wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2844 mutex_unlock(&wil->vif_mutex);
2845 if (p2p_wdev) {
2846 cfg80211_unregister_wdev(p2p_wdev);
2847 kfree(p2p_wdev);
2848 }
2849 }
2850
2851 static int wil_rf_sector_status_to_rc(u8 status)
2852 {
2853 switch (status) {
2854 case WMI_RF_SECTOR_STATUS_SUCCESS:
2855 return 0;
2856 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2857 return -EINVAL;
2858 case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2859 return -EAGAIN;
2860 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2861 return -EOPNOTSUPP;
2862 default:
2863 return -EINVAL;
2864 }
2865 }
2866
2867 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2868 struct wireless_dev *wdev,
2869 const void *data, int data_len)
2870 {
2871 struct wil6210_priv *wil = wdev_to_wil(wdev);
2872 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2873 int rc;
2874 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2875 u16 sector_index;
2876 u8 sector_type;
2877 u32 rf_modules_vec;
2878 struct wmi_get_rf_sector_params_cmd cmd;
2879 struct {
2880 struct wmi_cmd_hdr wmi;
2881 struct wmi_get_rf_sector_params_done_event evt;
2882 } __packed reply = {
2883 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2884 };
2885 struct sk_buff *msg;
2886 struct nlattr *nl_cfgs, *nl_cfg;
2887 u32 i;
2888 struct wmi_rf_sector_info *si;
2889
2890 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2891 return -EOPNOTSUPP;
2892
2893 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
2894 data_len, wil_rf_sector_policy, NULL);
2895 if (rc) {
2896 wil_err(wil, "Invalid rf sector ATTR\n");
2897 return rc;
2898 }
2899
2900 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2901 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2902 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2903 wil_err(wil, "Invalid rf sector spec\n");
2904 return -EINVAL;
2905 }
2906
2907 sector_index = nla_get_u16(
2908 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2909 if (sector_index >= WIL_MAX_RF_SECTORS) {
2910 wil_err(wil, "Invalid sector index %d\n", sector_index);
2911 return -EINVAL;
2912 }
2913
2914 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2915 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2916 wil_err(wil, "Invalid sector type %d\n", sector_type);
2917 return -EINVAL;
2918 }
2919
2920 rf_modules_vec = nla_get_u32(
2921 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2922 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2923 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2924 return -EINVAL;
2925 }
2926
2927 cmd.sector_idx = cpu_to_le16(sector_index);
2928 cmd.sector_type = sector_type;
2929 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2930 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2931 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2932 &reply, sizeof(reply),
2933 500);
2934 if (rc)
2935 return rc;
2936 if (reply.evt.status) {
2937 wil_err(wil, "get rf sector cfg failed with status %d\n",
2938 reply.evt.status);
2939 return wil_rf_sector_status_to_rc(reply.evt.status);
2940 }
2941
2942 msg = cfg80211_vendor_cmd_alloc_reply_skb(
2943 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2944 if (!msg)
2945 return -ENOMEM;
2946
2947 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2948 le64_to_cpu(reply.evt.tsf),
2949 QCA_ATTR_PAD))
2950 goto nla_put_failure;
2951
2952 nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2953 if (!nl_cfgs)
2954 goto nla_put_failure;
2955 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2956 if (!(rf_modules_vec & BIT(i)))
2957 continue;
2958 nl_cfg = nla_nest_start_noflag(msg, i);
2959 if (!nl_cfg)
2960 goto nla_put_failure;
2961 si = &reply.evt.sectors_info[i];
2962 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2963 i) ||
2964 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2965 le32_to_cpu(si->etype0)) ||
2966 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2967 le32_to_cpu(si->etype1)) ||
2968 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2969 le32_to_cpu(si->etype2)) ||
2970 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2971 le32_to_cpu(si->psh_hi)) ||
2972 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2973 le32_to_cpu(si->psh_lo)) ||
2974 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2975 le32_to_cpu(si->dtype_swch_off)))
2976 goto nla_put_failure;
2977 nla_nest_end(msg, nl_cfg);
2978 }
2979
2980 nla_nest_end(msg, nl_cfgs);
2981 rc = cfg80211_vendor_cmd_reply(msg);
2982 return rc;
2983 nla_put_failure:
2984 kfree_skb(msg);
2985 return -ENOBUFS;
2986 }
2987
2988 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2989 struct wireless_dev *wdev,
2990 const void *data, int data_len)
2991 {
2992 struct wil6210_priv *wil = wdev_to_wil(wdev);
2993 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2994 int rc, tmp;
2995 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2996 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2997 u16 sector_index, rf_module_index;
2998 u8 sector_type;
2999 u32 rf_modules_vec = 0;
3000 struct wmi_set_rf_sector_params_cmd cmd;
3001 struct {
3002 struct wmi_cmd_hdr wmi;
3003 struct wmi_set_rf_sector_params_done_event evt;
3004 } __packed reply = {
3005 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3006 };
3007 struct nlattr *nl_cfg;
3008 struct wmi_rf_sector_info *si;
3009
3010 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3011 return -EOPNOTSUPP;
3012
3013 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3014 data_len, wil_rf_sector_policy, NULL);
3015 if (rc) {
3016 wil_err(wil, "Invalid rf sector ATTR\n");
3017 return rc;
3018 }
3019
3020 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3021 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
3022 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
3023 wil_err(wil, "Invalid rf sector spec\n");
3024 return -EINVAL;
3025 }
3026
3027 sector_index = nla_get_u16(
3028 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3029 if (sector_index >= WIL_MAX_RF_SECTORS) {
3030 wil_err(wil, "Invalid sector index %d\n", sector_index);
3031 return -EINVAL;
3032 }
3033
3034 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3035 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3036 wil_err(wil, "Invalid sector type %d\n", sector_type);
3037 return -EINVAL;
3038 }
3039
3040 memset(&cmd, 0, sizeof(cmd));
3041
3042 cmd.sector_idx = cpu_to_le16(sector_index);
3043 cmd.sector_type = sector_type;
3044 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
3045 tmp) {
3046 rc = nla_parse_nested_deprecated(tb2,
3047 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
3048 nl_cfg,
3049 wil_rf_sector_cfg_policy,
3050 NULL);
3051 if (rc) {
3052 wil_err(wil, "invalid sector cfg\n");
3053 return -EINVAL;
3054 }
3055
3056 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
3057 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
3058 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
3059 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
3060 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
3061 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
3062 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
3063 wil_err(wil, "missing cfg params\n");
3064 return -EINVAL;
3065 }
3066
3067 rf_module_index = nla_get_u8(
3068 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
3069 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
3070 wil_err(wil, "invalid RF module index %d\n",
3071 rf_module_index);
3072 return -EINVAL;
3073 }
3074 rf_modules_vec |= BIT(rf_module_index);
3075 si = &cmd.sectors_info[rf_module_index];
3076 si->etype0 = cpu_to_le32(nla_get_u32(
3077 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
3078 si->etype1 = cpu_to_le32(nla_get_u32(
3079 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
3080 si->etype2 = cpu_to_le32(nla_get_u32(
3081 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
3082 si->psh_hi = cpu_to_le32(nla_get_u32(
3083 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
3084 si->psh_lo = cpu_to_le32(nla_get_u32(
3085 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
3086 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
3087 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
3088 }
3089
3090 cmd.rf_modules_vec = rf_modules_vec & 0xFF;
3091 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
3092 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
3093 &reply, sizeof(reply),
3094 500);
3095 if (rc)
3096 return rc;
3097 return wil_rf_sector_status_to_rc(reply.evt.status);
3098 }
3099
3100 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
3101 struct wireless_dev *wdev,
3102 const void *data, int data_len)
3103 {
3104 struct wil6210_priv *wil = wdev_to_wil(wdev);
3105 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3106 int rc;
3107 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3108 u8 sector_type, mac_addr[ETH_ALEN];
3109 int cid = 0;
3110 struct wmi_get_selected_rf_sector_index_cmd cmd;
3111 struct {
3112 struct wmi_cmd_hdr wmi;
3113 struct wmi_get_selected_rf_sector_index_done_event evt;
3114 } __packed reply = {
3115 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3116 };
3117 struct sk_buff *msg;
3118
3119 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3120 return -EOPNOTSUPP;
3121
3122 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3123 data_len, wil_rf_sector_policy, NULL);
3124 if (rc) {
3125 wil_err(wil, "Invalid rf sector ATTR\n");
3126 return rc;
3127 }
3128
3129 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3130 wil_err(wil, "Invalid rf sector spec\n");
3131 return -EINVAL;
3132 }
3133 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3134 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3135 wil_err(wil, "Invalid sector type %d\n", sector_type);
3136 return -EINVAL;
3137 }
3138
3139 if (tb[QCA_ATTR_MAC_ADDR]) {
3140 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3141 cid = wil_find_cid(wil, vif->mid, mac_addr);
3142 if (cid < 0) {
3143 wil_err(wil, "invalid MAC address %pM\n", mac_addr);
3144 return -ENOENT;
3145 }
3146 } else {
3147 if (test_bit(wil_vif_fwconnected, vif->status)) {
3148 wil_err(wil, "must specify MAC address when connected\n");
3149 return -EINVAL;
3150 }
3151 }
3152
3153 memset(&cmd, 0, sizeof(cmd));
3154 cmd.cid = (u8)cid;
3155 cmd.sector_type = sector_type;
3156 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
3157 &cmd, sizeof(cmd),
3158 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3159 &reply, sizeof(reply),
3160 500);
3161 if (rc)
3162 return rc;
3163 if (reply.evt.status) {
3164 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
3165 reply.evt.status);
3166 return wil_rf_sector_status_to_rc(reply.evt.status);
3167 }
3168
3169 msg = cfg80211_vendor_cmd_alloc_reply_skb(
3170 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
3171 if (!msg)
3172 return -ENOMEM;
3173
3174 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
3175 le64_to_cpu(reply.evt.tsf),
3176 QCA_ATTR_PAD) ||
3177 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
3178 le16_to_cpu(reply.evt.sector_idx)))
3179 goto nla_put_failure;
3180
3181 rc = cfg80211_vendor_cmd_reply(msg);
3182 return rc;
3183 nla_put_failure:
3184 kfree_skb(msg);
3185 return -ENOBUFS;
3186 }
3187
3188 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
3189 u8 mid, u16 sector_index,
3190 u8 sector_type, u8 cid)
3191 {
3192 struct wmi_set_selected_rf_sector_index_cmd cmd;
3193 struct {
3194 struct wmi_cmd_hdr wmi;
3195 struct wmi_set_selected_rf_sector_index_done_event evt;
3196 } __packed reply = {
3197 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3198 };
3199 int rc;
3200
3201 memset(&cmd, 0, sizeof(cmd));
3202 cmd.sector_idx = cpu_to_le16(sector_index);
3203 cmd.sector_type = sector_type;
3204 cmd.cid = (u8)cid;
3205 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
3206 &cmd, sizeof(cmd),
3207 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3208 &reply, sizeof(reply),
3209 500);
3210 if (rc)
3211 return rc;
3212 return wil_rf_sector_status_to_rc(reply.evt.status);
3213 }
3214
3215 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
3216 struct wireless_dev *wdev,
3217 const void *data, int data_len)
3218 {
3219 struct wil6210_priv *wil = wdev_to_wil(wdev);
3220 struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3221 int rc;
3222 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3223 u16 sector_index;
3224 u8 sector_type, mac_addr[ETH_ALEN], i;
3225 int cid = 0;
3226
3227 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3228 return -EOPNOTSUPP;
3229
3230 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3231 data_len, wil_rf_sector_policy, NULL);
3232 if (rc) {
3233 wil_err(wil, "Invalid rf sector ATTR\n");
3234 return rc;
3235 }
3236
3237 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3238 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3239 wil_err(wil, "Invalid rf sector spec\n");
3240 return -EINVAL;
3241 }
3242
3243 sector_index = nla_get_u16(
3244 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3245 if (sector_index >= WIL_MAX_RF_SECTORS &&
3246 sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3247 wil_err(wil, "Invalid sector index %d\n", sector_index);
3248 return -EINVAL;
3249 }
3250
3251 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3252 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3253 wil_err(wil, "Invalid sector type %d\n", sector_type);
3254 return -EINVAL;
3255 }
3256
3257 if (tb[QCA_ATTR_MAC_ADDR]) {
3258 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3259 if (!is_broadcast_ether_addr(mac_addr)) {
3260 cid = wil_find_cid(wil, vif->mid, mac_addr);
3261 if (cid < 0) {
3262 wil_err(wil, "invalid MAC address %pM\n",
3263 mac_addr);
3264 return -ENOENT;
3265 }
3266 } else {
3267 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3268 wil_err(wil, "broadcast MAC valid only with unlocking\n");
3269 return -EINVAL;
3270 }
3271 cid = -1;
3272 }
3273 } else {
3274 if (test_bit(wil_vif_fwconnected, vif->status)) {
3275 wil_err(wil, "must specify MAC address when connected\n");
3276 return -EINVAL;
3277 }
3278 /* otherwise, using cid=0 for unassociated station */
3279 }
3280
3281 if (cid >= 0) {
3282 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
3283 sector_type, cid);
3284 } else {
3285 /* unlock all cids */
3286 rc = wil_rf_sector_wmi_set_selected(
3287 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
3288 sector_type, WIL_CID_ALL);
3289 if (rc == -EINVAL) {
3290 for (i = 0; i < wil->max_assoc_sta; i++) {
3291 if (wil->sta[i].mid != vif->mid)
3292 continue;
3293 rc = wil_rf_sector_wmi_set_selected(
3294 wil, vif->mid,
3295 WMI_INVALID_RF_SECTOR_INDEX,
3296 sector_type, i);
3297 /* the FW will silently ignore and return
3298 * success for unused cid, so abort the loop
3299 * on any other error
3300 */
3301 if (rc) {
3302 wil_err(wil, "unlock cid %d failed with status %d\n",
3303 i, rc);
3304 break;
3305 }
3306 }
3307 }
3308 }
3309
3310 return rc;
3311 }
Kernel DRM miscellaneous fixes and cross-tree changes