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