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wil6210: fix race between disconnect and Tx NAPI
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / cfg80211.c
CommitLineData
2be7d22f
VK		 1/*
2 * Copyright (c) 2012 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
2be7d22f
VK		 17#include "wil6210.h"
18#include "wmi.h"
19
20#define CHAN60G(_channel, _flags) { \
21 .band = IEEE80211_BAND_60GHZ, \
22 .center_freq = 56160 + (2160 * (_channel)), \
23 .hw_value = (_channel), \
24 .flags = (_flags), \
25 .max_antenna_gain = 0, \
26 .max_power = 40, \
27}
28
29static struct ieee80211_channel wil_60ghz_channels[] = {
30 CHAN60G(1, 0),
31 CHAN60G(2, 0),
32 CHAN60G(3, 0),
33/* channel 4 not supported yet */
34};
35
36static struct ieee80211_supported_band wil_band_60ghz = {
37 .channels = wil_60ghz_channels,
38 .n_channels = ARRAY_SIZE(wil_60ghz_channels),
39 .ht_cap = {
40 .ht_supported = true,
41 .cap = 0, /* TODO */
42 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
43 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
44 .mcs = {
45 /* MCS 1..12 - SC PHY */
46 .rx_mask = {0xfe, 0x1f}, /* 1..12 */
47 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
48 },
49 },
50};
51
52static const struct ieee80211_txrx_stypes
53wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
54 [NL80211_IFTYPE_STATION] = {
55 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
56 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
57 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
58 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
59 },
60 [NL80211_IFTYPE_AP] = {
61 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
62 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
63 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
64 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
65 },
66 [NL80211_IFTYPE_P2P_CLIENT] = {
67 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
68 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
69 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
70 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
71 },
72 [NL80211_IFTYPE_P2P_GO] = {
73 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
74 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
75 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
76 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
77 },
78};
79
80static const u32 wil_cipher_suites[] = {
81 WLAN_CIPHER_SUITE_GCMP,
82};
83
84int wil_iftype_nl2wmi(enum nl80211_iftype type)
85{
86 static const struct {
87 enum nl80211_iftype nl;
88 enum wmi_network_type wmi;
89 } __nl2wmi[] = {
90 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
91 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
92 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
93 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
94 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
95 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
96 };
97 uint i;
98
99 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
100 if (__nl2wmi[i].nl == type)
101 return __nl2wmi[i].wmi;
102 }
103
104 return -EOPNOTSUPP;
105}
106
ef28afdb
VK		 107static int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
108 struct station_info *sinfo)
2be7d22f 109{
2be7d22f 110 struct wmi_notify_req_cmd cmd = {
3df2cd36 111 .cid = cid,
2be7d22f
VK		 112 .interval_usec = 0,
113 };
ef28afdb
VK		 114 struct {
115 struct wil6210_mbox_hdr_wmi wmi;
116 struct wmi_notify_req_done_event evt;
117 } __packed reply;
c8b78b5f 118 struct wil_net_stats *stats = &wil->sta[cid].stats;
ef28afdb 119 int rc;
2be7d22f 120
2be7d22f 121 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
ef28afdb 122 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
2be7d22f
VK		 123 if (rc)
124 return rc;
125
c8b78b5f
VK		 126 wil_dbg_wmi(wil, "Link status for CID %d: {\n"
127 " MCS %d TSF 0x%016llx\n"
b8b33a3a 128 " BF status 0x%08x SNR 0x%08x SQI %d%%\n"
c8b78b5f
VK		 129 " Tx Tpt %d goodput %d Rx goodput %d\n"
130 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
131 cid, le16_to_cpu(reply.evt.bf_mcs),
132 le64_to_cpu(reply.evt.tsf), reply.evt.status,
133 le32_to_cpu(reply.evt.snr_val),
b8b33a3a 134 reply.evt.sqi,
c8b78b5f
VK		 135 le32_to_cpu(reply.evt.tx_tpt),
136 le32_to_cpu(reply.evt.tx_goodput),
137 le32_to_cpu(reply.evt.rx_goodput),
138 le16_to_cpu(reply.evt.my_rx_sector),
139 le16_to_cpu(reply.evt.my_tx_sector),
140 le16_to_cpu(reply.evt.other_rx_sector),
141 le16_to_cpu(reply.evt.other_tx_sector));
142
2be7d22f
VK		 143 sinfo->generation = wil->sinfo_gen;
144
c8b78b5f
VK		 145 sinfo->filled = STATION_INFO_RX_BYTES |
146 STATION_INFO_TX_BYTES |
147 STATION_INFO_RX_PACKETS |
148 STATION_INFO_TX_PACKETS |
149 STATION_INFO_RX_BITRATE |
150 STATION_INFO_TX_BITRATE |
151 STATION_INFO_RX_DROP_MISC |
152 STATION_INFO_TX_FAILED;
153
2be7d22f 154 sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
ef28afdb 155 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
2be7d22f 156 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
c8b78b5f
VK		 157 sinfo->rxrate.mcs = stats->last_mcs_rx;
158 sinfo->rx_bytes = stats->rx_bytes;
159 sinfo->rx_packets = stats->rx_packets;
160 sinfo->rx_dropped_misc = stats->rx_dropped;
161 sinfo->tx_bytes = stats->tx_bytes;
162 sinfo->tx_packets = stats->tx_packets;
163 sinfo->tx_failed = stats->tx_errors;
2be7d22f
VK		 164
165 if (test_bit(wil_status_fwconnected, &wil->status)) {
166 sinfo->filled |= STATION_INFO_SIGNAL;
b8b33a3a 167 sinfo->signal = reply.evt.sqi;
2be7d22f
VK		 168 }
169
ef28afdb
VK		 170 return rc;
171}
172
173static int wil_cfg80211_get_station(struct wiphy *wiphy,
174 struct net_device *ndev,
175 u8 *mac, struct station_info *sinfo)
176{
177 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
178 int rc;
179
180 int cid = wil_find_cid(wil, mac);
181
fa4a18e7 182 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
ef28afdb 183 if (cid < 0)
c14c5d99 184 return cid;
ef28afdb
VK		 185
186 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
187
188 return rc;
189}
190
191/*
192 * Find @idx-th active STA for station dump.
193 */
194static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
195{
196 int i;
197
198 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
199 if (wil->sta[i].status == wil_sta_unused)
200 continue;
201 if (idx == 0)
202 return i;
203 idx--;
204 }
205
206 return -ENOENT;
207}
208
209static int wil_cfg80211_dump_station(struct wiphy *wiphy,
210 struct net_device *dev, int idx,
211 u8 *mac, struct station_info *sinfo)
212{
213 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
214 int rc;
215 int cid = wil_find_cid_by_idx(wil, idx);
216
217 if (cid < 0)
218 return -ENOENT;
219
220 memcpy(mac, wil->sta[cid].addr, ETH_ALEN);
fa4a18e7 221 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
ef28afdb
VK		 222
223 rc = wil_cid_fill_sinfo(wil, cid, sinfo);
224
225 return rc;
2be7d22f
VK		 226}
227
228static int wil_cfg80211_change_iface(struct wiphy *wiphy,
229 struct net_device *ndev,
230 enum nl80211_iftype type, u32 *flags,
231 struct vif_params *params)
232{
233 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
234 struct wireless_dev *wdev = wil->wdev;
235
236 switch (type) {
237 case NL80211_IFTYPE_STATION:
238 case NL80211_IFTYPE_AP:
239 case NL80211_IFTYPE_P2P_CLIENT:
240 case NL80211_IFTYPE_P2P_GO:
241 break;
242 case NL80211_IFTYPE_MONITOR:
243 if (flags)
244 wil->monitor_flags = *flags;
245 else
246 wil->monitor_flags = 0;
247
248 break;
249 default:
250 return -EOPNOTSUPP;
251 }
252
253 wdev->iftype = type;
254
255 return 0;
256}
257
258static int wil_cfg80211_scan(struct wiphy *wiphy,
259 struct cfg80211_scan_request *request)
260{
261 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
262 struct wireless_dev *wdev = wil->wdev;
263 struct {
264 struct wmi_start_scan_cmd cmd;
265 u16 chnl[4];
266 } __packed cmd;
267 uint i, n;
ed6f9dc6 268 int rc;
2be7d22f
VK		 269
270 if (wil->scan_request) {
271 wil_err(wil, "Already scanning\n");
272 return -EAGAIN;
273 }
274
275 /* check we are client side */
276 switch (wdev->iftype) {
277 case NL80211_IFTYPE_STATION:
278 case NL80211_IFTYPE_P2P_CLIENT:
279 break;
280 default:
281 return -EOPNOTSUPP;
2be7d22f
VK		 282 }
283
284 /* FW don't support scan after connection attempt */
285 if (test_bit(wil_status_dontscan, &wil->status)) {
e83eb2fc 286 wil_err(wil, "Can't scan now\n");
2be7d22f
VK		 287 return -EBUSY;
288 }
289
290 wil->scan_request = request;
291
292 memset(&cmd, 0, sizeof(cmd));
293 cmd.cmd.num_channels = 0;
294 n = min(request->n_channels, 4U);
295 for (i = 0; i < n; i++) {
296 int ch = request->channels[i]->hw_value;
297 if (ch == 0) {
298 wil_err(wil,
299 "Scan requested for unknown frequency %dMhz\n",
300 request->channels[i]->center_freq);
301 continue;
302 }
303 /* 0-based channel indexes */
304 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
7743882d 305 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
2057ebb2 306 request->channels[i]->center_freq);
2be7d22f
VK		 307 }
308
ed6f9dc6 309 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
2be7d22f 310 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
ed6f9dc6
VK		 311
312 if (rc)
313 wil->scan_request = NULL;
314
315 return rc;
2be7d22f
VK		 316}
317
318static int wil_cfg80211_connect(struct wiphy *wiphy,
319 struct net_device *ndev,
320 struct cfg80211_connect_params *sme)
321{
322 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
323 struct cfg80211_bss *bss;
324 struct wmi_connect_cmd conn;
325 const u8 *ssid_eid;
326 const u8 *rsn_eid;
327 int ch;
328 int rc = 0;
329
4cd9e837
VK		 330 if (test_bit(wil_status_fwconnecting, &wil->status) ||
331 test_bit(wil_status_fwconnected, &wil->status))
332 return -EALREADY;
333
2be7d22f
VK		 334 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
335 sme->ssid, sme->ssid_len,
336 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
337 if (!bss) {
338 wil_err(wil, "Unable to find BSS\n");
339 return -ENOENT;
340 }
341
342 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
343 if (!ssid_eid) {
344 wil_err(wil, "No SSID\n");
345 rc = -ENOENT;
346 goto out;
347 }
348
349 rsn_eid = sme->ie ?
350 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
351 NULL;
352 if (rsn_eid) {
353 if (sme->ie_len > WMI_MAX_IE_LEN) {
354 rc = -ERANGE;
355 wil_err(wil, "IE too large (%td bytes)\n",
356 sme->ie_len);
357 goto out;
358 }
359 /*
360 * For secure assoc, send:
361 * (1) WMI_DELETE_CIPHER_KEY_CMD
362 * (2) WMI_SET_APPIE_CMD
363 */
364 rc = wmi_del_cipher_key(wil, 0, bss->bssid);
365 if (rc) {
366 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
367 goto out;
368 }
369 /* WMI_SET_APPIE_CMD */
370 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
371 if (rc) {
372 wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
373 goto out;
374 }
375 }
376
377 /* WMI_CONNECT_CMD */
378 memset(&conn, 0, sizeof(conn));
acc9780d 379 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
2be7d22f
VK		 380 case WLAN_CAPABILITY_DMG_TYPE_AP:
381 conn.network_type = WMI_NETTYPE_INFRA;
382 break;
383 case WLAN_CAPABILITY_DMG_TYPE_PBSS:
384 conn.network_type = WMI_NETTYPE_P2P;
385 break;
386 default:
387 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
388 bss->capability);
389 goto out;
390 }
391 if (rsn_eid) {
392 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
393 conn.auth_mode = WMI_AUTH_WPA2_PSK;
394 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
395 conn.pairwise_crypto_len = 16;
396 } else {
397 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
398 conn.auth_mode = WMI_AUTH_NONE;
399 }
400
401 conn.ssid_len = min_t(u8, ssid_eid[1], 32);
402 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
403
404 ch = bss->channel->hw_value;
405 if (ch == 0) {
406 wil_err(wil, "BSS at unknown frequency %dMhz\n",
407 bss->channel->center_freq);
408 rc = -EOPNOTSUPP;
409 goto out;
410 }
411 conn.channel = ch - 1;
412
d458cdf7
JP		 413 memcpy(conn.bssid, bss->bssid, ETH_ALEN);
414 memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);
e83eb2fc 415
b338f74e 416 set_bit(wil_status_fwconnecting, &wil->status);
2be7d22f
VK		 417
418 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
419 if (rc == 0) {
420 /* Connect can take lots of time */
421 mod_timer(&wil->connect_timer,
422 jiffies + msecs_to_jiffies(2000));
b338f74e 423 } else {
b338f74e 424 clear_bit(wil_status_fwconnecting, &wil->status);
2be7d22f
VK		 425 }
426
427 out:
5b112d3d 428 cfg80211_put_bss(wiphy, bss);
2be7d22f
VK		 429
430 return rc;
431}
432
433static int wil_cfg80211_disconnect(struct wiphy *wiphy,
434 struct net_device *ndev,
435 u16 reason_code)
436{
437 int rc;
438 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
439
440 rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
441
442 return rc;
443}
444
1647f12f
VK		 445static int wil_cfg80211_mgmt_tx(struct wiphy *wiphy,
446 struct wireless_dev *wdev,
447 struct cfg80211_mgmt_tx_params *params,
448 u64 *cookie)
449{
450 const u8 *buf = params->buf;
451 size_t len = params->len;
452 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
453 int rc;
454 struct ieee80211_mgmt *mgmt_frame = (void *)buf;
455 struct wmi_sw_tx_req_cmd *cmd;
456 struct {
457 struct wil6210_mbox_hdr_wmi wmi;
458 struct wmi_sw_tx_complete_event evt;
459 } __packed evt;
460
461 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
462 if (!cmd)
463 return -ENOMEM;
464
465 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
466 cmd->len = cpu_to_le16(len);
467 memcpy(cmd->payload, buf, len);
468
469 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
470 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
471 if (rc == 0)
472 rc = evt.evt.status;
473
474 kfree(cmd);
475
476 return rc;
477}
478
2be7d22f
VK		 479static int wil_cfg80211_set_channel(struct wiphy *wiphy,
480 struct cfg80211_chan_def *chandef)
481{
482 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
483 struct wireless_dev *wdev = wil->wdev;
484
485 wdev->preset_chandef = *chandef;
486
487 return 0;
488}
489
490static int wil_cfg80211_add_key(struct wiphy *wiphy,
491 struct net_device *ndev,
492 u8 key_index, bool pairwise,
493 const u8 *mac_addr,
494 struct key_params *params)
495{
496 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
497
498 /* group key is not used */
499 if (!pairwise)
500 return 0;
501
502 return wmi_add_cipher_key(wil, key_index, mac_addr,
503 params->key_len, params->key);
504}
505
506static int wil_cfg80211_del_key(struct wiphy *wiphy,
507 struct net_device *ndev,
508 u8 key_index, bool pairwise,
509 const u8 *mac_addr)
510{
511 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
512
513 /* group key is not used */
514 if (!pairwise)
515 return 0;
516
517 return wmi_del_cipher_key(wil, key_index, mac_addr);
518}
519
520/* Need to be present or wiphy_new() will WARN */
521static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
522 struct net_device *ndev,
523 u8 key_index, bool unicast,
524 bool multicast)
525{
526 return 0;
527}
528
1647f12f
VK		 529static int wil_remain_on_channel(struct wiphy *wiphy,
530 struct wireless_dev *wdev,
531 struct ieee80211_channel *chan,
532 unsigned int duration,
533 u64 *cookie)
534{
535 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
536 int rc;
537
538 /* TODO: handle duration */
539 wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
540
541 rc = wmi_set_channel(wil, chan->hw_value);
542 if (rc)
543 return rc;
544
545 rc = wmi_rxon(wil, true);
546
547 return rc;
548}
549
550static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
551 struct wireless_dev *wdev,
552 u64 cookie)
553{
554 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
555 int rc;
556
557 wil_info(wil, "%s()\n", __func__);
558
559 rc = wmi_rxon(wil, false);
560
561 return rc;
562}
563
92646c9f
VK		 564static int wil_fix_bcon(struct wil6210_priv *wil,
565 struct cfg80211_beacon_data *bcon)
566{
567 struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
568 size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
569 int rc = 0;
570
571 if (bcon->probe_resp_len <= hlen)
572 return 0;
573
574 if (!bcon->proberesp_ies) {
575 bcon->proberesp_ies = f->u.probe_resp.variable;
576 bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
577 rc = 1;
578 }
579 if (!bcon->assocresp_ies) {
580 bcon->assocresp_ies = f->u.probe_resp.variable;
581 bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
582 rc = 1;
583 }
584
585 return rc;
586}
587
2be7d22f
VK		 588static int wil_cfg80211_start_ap(struct wiphy *wiphy,
589 struct net_device *ndev,
590 struct cfg80211_ap_settings *info)
591{
592 int rc = 0;
593 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
594 struct wireless_dev *wdev = ndev->ieee80211_ptr;
595 struct ieee80211_channel *channel = info->chandef.chan;
596 struct cfg80211_beacon_data *bcon = &info->beacon;
597 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
598
599 if (!channel) {
600 wil_err(wil, "AP: No channel???\n");
601 return -EINVAL;
602 }
603
7743882d 604 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
2057ebb2 605 channel->center_freq, info->privacy ? "secure" : "open");
2be7d22f
VK		 606 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
607 info->ssid, info->ssid_len);
608
92646c9f
VK		 609 if (wil_fix_bcon(wil, bcon))
610 wil_dbg_misc(wil, "Fixed bcon\n");
611
9c3bde56
VK		 612 mutex_lock(&wil->mutex);
613
2be7d22f
VK		 614 rc = wil_reset(wil);
615 if (rc)
9c3bde56 616 goto out;
2be7d22f 617
e31b2562
VK		 618 /* Rx VRING. */
619 rc = wil_rx_init(wil);
620 if (rc)
9c3bde56 621 goto out;
e31b2562 622
2be7d22f
VK		 623 rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
624 if (rc)
9c3bde56 625 goto out;
2be7d22f 626
2be7d22f
VK		 627 /* MAC address - pre-requisite for other commands */
628 wmi_set_mac_address(wil, ndev->dev_addr);
629
630 /* IE's */
631 /* bcon 'head IE's are not relevant for 60g band */
b1defa4d
VK		 632 /*
633 * FW do not form regular beacon, so bcon IE's are not set
634 * For the DMG bcon, when it will be supported, bcon IE's will
635 * be reused; add something like:
636 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
637 * bcon->beacon_ies);
638 */
2be7d22f
VK		 639 wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
640 bcon->proberesp_ies);
641 wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
642 bcon->assocresp_ies);
643
644 wil->secure_pcp = info->privacy;
645
b8023177
VK		 646 rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
647 channel->hw_value);
2be7d22f 648 if (rc)
9c3bde56 649 goto out;
2be7d22f 650
2be7d22f
VK		 651
652 netif_carrier_on(ndev);
653
9c3bde56
VK		 654out:
655 mutex_unlock(&wil->mutex);
2be7d22f
VK		 656 return rc;
657}
658
659static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
660 struct net_device *ndev)
661{
662 int rc = 0;
663 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2be7d22f 664
9c3bde56
VK		 665 mutex_lock(&wil->mutex);
666
b8023177 667 rc = wmi_pcp_stop(wil);
2be7d22f 668
9c3bde56 669 mutex_unlock(&wil->mutex);
2be7d22f
VK		 670 return rc;
671}
672
4d55a0a1
VK		 673static int wil_cfg80211_del_station(struct wiphy *wiphy,
674 struct net_device *dev, u8 *mac)
675{
676 struct wil6210_priv *wil = wiphy_to_wil(wiphy);
097638a0
VK		 677
678 mutex_lock(&wil->mutex);
4d55a0a1 679 wil6210_disconnect(wil, mac);
097638a0
VK		 680 mutex_unlock(&wil->mutex);
681
4d55a0a1
VK		 682 return 0;
683}
684
2be7d22f
VK		 685static struct cfg80211_ops wil_cfg80211_ops = {
686 .scan = wil_cfg80211_scan,
687 .connect = wil_cfg80211_connect,
688 .disconnect = wil_cfg80211_disconnect,
689 .change_virtual_intf = wil_cfg80211_change_iface,
690 .get_station = wil_cfg80211_get_station,
ef28afdb 691 .dump_station = wil_cfg80211_dump_station,
1647f12f
VK		 692 .remain_on_channel = wil_remain_on_channel,
693 .cancel_remain_on_channel = wil_cancel_remain_on_channel,
694 .mgmt_tx = wil_cfg80211_mgmt_tx,
2be7d22f
VK		 695 .set_monitor_channel = wil_cfg80211_set_channel,
696 .add_key = wil_cfg80211_add_key,
697 .del_key = wil_cfg80211_del_key,
698 .set_default_key = wil_cfg80211_set_default_key,
699 /* AP mode */
700 .start_ap = wil_cfg80211_start_ap,
701 .stop_ap = wil_cfg80211_stop_ap,
4d55a0a1 702 .del_station = wil_cfg80211_del_station,
2be7d22f
VK		 703};
704
705static void wil_wiphy_init(struct wiphy *wiphy)
706{
707 /* TODO: set real value */
708 wiphy->max_scan_ssids = 10;
709 wiphy->max_num_pmkids = 0 /* TODO: */;
710 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
711 BIT(NL80211_IFTYPE_AP) |
712 BIT(NL80211_IFTYPE_MONITOR);
713 /* TODO: enable P2P when integrated with supplicant:
714 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
715 */
716 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
717 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
718 dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
719 __func__, wiphy->flags);
720 wiphy->probe_resp_offload =
721 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
722 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
723 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
724
725 wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
726
727 /* TODO: figure this out */
b8b33a3a 728 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2be7d22f
VK		 729
730 wiphy->cipher_suites = wil_cipher_suites;
731 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
732 wiphy->mgmt_stypes = wil_mgmt_stypes;
733}
734
735struct wireless_dev *wil_cfg80211_init(struct device *dev)
736{
737 int rc = 0;
738 struct wireless_dev *wdev;
739
740 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
741 if (!wdev)
742 return ERR_PTR(-ENOMEM);
743
744 wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
745 sizeof(struct wil6210_priv));
746 if (!wdev->wiphy) {
747 rc = -ENOMEM;
748 goto out;
749 }
750
751 set_wiphy_dev(wdev->wiphy, dev);
752 wil_wiphy_init(wdev->wiphy);
753
754 rc = wiphy_register(wdev->wiphy);
755 if (rc < 0)
756 goto out_failed_reg;
757
758 return wdev;
759
760out_failed_reg:
761 wiphy_free(wdev->wiphy);
762out:
763 kfree(wdev);
764
765 return ERR_PTR(rc);
766}
767
768void wil_wdev_free(struct wil6210_priv *wil)
769{
770 struct wireless_dev *wdev = wil_to_wdev(wil);
771
772 if (!wdev)
773 return;
774
775 wiphy_unregister(wdev->wiphy);
776 wiphy_free(wdev->wiphy);
777 kfree(wdev);
778}
Linux kernel - Deliverables
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