projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63 #include <linux/kernel.h>
64 #include <linux/slab.h>
65 #include <linux/skbuff.h>
66 #include <linux/netdevice.h>
67 #include <linux/etherdevice.h>
68 #include <linux/ip.h>
69 #include <net/mac80211.h>
70 #include <net/tcp.h>
71
72 #include "iwl-op-mode.h"
73 #include "iwl-io.h"
74 #include "mvm.h"
75 #include "sta.h"
76 #include "time-event.h"
77 #include "iwl-eeprom-parse.h"
78 #include "fw-api-scan.h"
79 #include "iwl-phy-db.h"
80 #include "testmode.h"
81
82 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
83 {
84 .max = 1,
85 .types = BIT(NL80211_IFTYPE_STATION),
86 },
87 {
88 .max = 1,
89 .types = BIT(NL80211_IFTYPE_AP) |
90 BIT(NL80211_IFTYPE_P2P_CLIENT) |
91 BIT(NL80211_IFTYPE_P2P_GO),
92 },
93 {
94 .max = 1,
95 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
96 },
97 };
98
99 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
100 {
101 .num_different_channels = 1,
102 .max_interfaces = 3,
103 .limits = iwl_mvm_limits,
104 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
105 },
106 };
107
108 #ifdef CONFIG_PM_SLEEP
109 static const struct nl80211_wowlan_tcp_data_token_feature
110 iwl_mvm_wowlan_tcp_token_feature = {
111 .min_len = 0,
112 .max_len = 255,
113 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
114 };
115
116 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
117 .tok = &iwl_mvm_wowlan_tcp_token_feature,
118 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
119 sizeof(struct ethhdr) -
120 sizeof(struct iphdr) -
121 sizeof(struct tcphdr),
122 .data_interval_max = 65535, /* __le16 in API */
123 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
124 sizeof(struct ethhdr) -
125 sizeof(struct iphdr) -
126 sizeof(struct tcphdr),
127 .seq = true,
128 };
129 #endif
130
131 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
132 {
133 int i;
134
135 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
136 for (i = 0; i < NUM_PHY_CTX; i++) {
137 mvm->phy_ctxts[i].id = i;
138 mvm->phy_ctxts[i].ref = 0;
139 }
140 }
141
142 static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
143 {
144 /* we create the 802.11 header and SSID element */
145 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
146 return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
147 return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
148 }
149
150 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
151 {
152 struct ieee80211_hw *hw = mvm->hw;
153 int num_mac, ret, i;
154
155 /* Tell mac80211 our characteristics */
156 hw->flags = IEEE80211_HW_SIGNAL_DBM |
157 IEEE80211_HW_SPECTRUM_MGMT |
158 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
159 IEEE80211_HW_QUEUE_CONTROL |
160 IEEE80211_HW_WANT_MONITOR_VIF |
161 IEEE80211_HW_SUPPORTS_PS |
162 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
163 IEEE80211_HW_AMPDU_AGGREGATION |
164 IEEE80211_HW_TIMING_BEACON_ONLY |
165 IEEE80211_HW_CONNECTION_MONITOR |
166 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
167 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
168
169 hw->queues = mvm->first_agg_queue;
170 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
171 hw->rate_control_algorithm = "iwl-mvm-rs";
172
173 /*
174 * Enable 11w if advertised by firmware and software crypto
175 * is not enabled (as the firmware will interpret some mgmt
176 * packets, so enabling it with software crypto isn't safe)
177 */
178 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
179 !iwlwifi_mod_params.sw_crypto)
180 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
181
182 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) {
183 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
184 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
185 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
186 }
187
188 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
189 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
190 hw->chanctx_data_size = sizeof(u16);
191
192 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
193 BIT(NL80211_IFTYPE_P2P_CLIENT) |
194 BIT(NL80211_IFTYPE_AP) |
195 BIT(NL80211_IFTYPE_P2P_GO) |
196 BIT(NL80211_IFTYPE_P2P_DEVICE);
197
198 /* IBSS has bugs in older versions */
199 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 8)
200 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
201
202 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
203 WIPHY_FLAG_DISABLE_BEACON_HINTS |
204 WIPHY_FLAG_IBSS_RSN;
205
206 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
207 hw->wiphy->n_iface_combinations =
208 ARRAY_SIZE(iwl_mvm_iface_combinations);
209
210 hw->wiphy->max_remain_on_channel_duration = 10000;
211 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
212
213 /* Extract MAC address */
214 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
215 hw->wiphy->addresses = mvm->addresses;
216 hw->wiphy->n_addresses = 1;
217
218 /* Extract additional MAC addresses if available */
219 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
220 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
221
222 for (i = 1; i < num_mac; i++) {
223 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
224 ETH_ALEN);
225 mvm->addresses[i].addr[5]++;
226 hw->wiphy->n_addresses++;
227 }
228
229 iwl_mvm_reset_phy_ctxts(mvm);
230
231 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
232
233 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
234
235 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
236 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
237 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
238 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
239 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
240 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
241
242 hw->wiphy->hw_version = mvm->trans->hw_id;
243
244 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
245 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
246 else
247 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
248
249 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
250 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
251 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
252 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
253 /* we create the 802.11 header and zero length SSID IE. */
254 hw->wiphy->max_sched_scan_ie_len =
255 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
256 }
257
258 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
259 NL80211_FEATURE_P2P_GO_OPPPS;
260
261 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
262
263 #ifdef CONFIG_PM_SLEEP
264 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
265 mvm->trans->ops->d3_suspend &&
266 mvm->trans->ops->d3_resume &&
267 device_can_wakeup(mvm->trans->dev)) {
268 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
269 WIPHY_WOWLAN_DISCONNECT |
270 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
271 WIPHY_WOWLAN_RFKILL_RELEASE;
272 if (!iwlwifi_mod_params.sw_crypto)
273 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
274 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
275 WIPHY_WOWLAN_4WAY_HANDSHAKE;
276
277 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
278 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
279 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
280 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
281 hw->wiphy->wowlan = &mvm->wowlan;
282 }
283 #endif
284
285 ret = iwl_mvm_leds_init(mvm);
286 if (ret)
287 return ret;
288
289 ret = ieee80211_register_hw(mvm->hw);
290 if (ret)
291 iwl_mvm_leds_exit(mvm);
292
293 return ret;
294 }
295
296 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
297 struct ieee80211_tx_control *control,
298 struct sk_buff *skb)
299 {
300 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
301
302 if (iwl_mvm_is_radio_killed(mvm)) {
303 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
304 goto drop;
305 }
306
307 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
308 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
309 goto drop;
310
311 if (control->sta) {
312 if (iwl_mvm_tx_skb(mvm, skb, control->sta))
313 goto drop;
314 return;
315 }
316
317 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
318 goto drop;
319 return;
320 drop:
321 ieee80211_free_txskb(hw, skb);
322 }
323
324 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
325 struct ieee80211_vif *vif,
326 enum ieee80211_ampdu_mlme_action action,
327 struct ieee80211_sta *sta, u16 tid,
328 u16 *ssn, u8 buf_size)
329 {
330 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
331 int ret;
332
333 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
334 sta->addr, tid, action);
335
336 if (!(mvm->nvm_data->sku_cap_11n_enable))
337 return -EACCES;
338
339 mutex_lock(&mvm->mutex);
340
341 switch (action) {
342 case IEEE80211_AMPDU_RX_START:
343 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) {
344 ret = -EINVAL;
345 break;
346 }
347 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
348 break;
349 case IEEE80211_AMPDU_RX_STOP:
350 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
351 break;
352 case IEEE80211_AMPDU_TX_START:
353 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
354 ret = -EINVAL;
355 break;
356 }
357 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
358 break;
359 case IEEE80211_AMPDU_TX_STOP_CONT:
360 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
361 break;
362 case IEEE80211_AMPDU_TX_STOP_FLUSH:
363 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
364 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
365 break;
366 case IEEE80211_AMPDU_TX_OPERATIONAL:
367 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
368 break;
369 default:
370 WARN_ON_ONCE(1);
371 ret = -EINVAL;
372 break;
373 }
374 mutex_unlock(&mvm->mutex);
375
376 return ret;
377 }
378
379 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
380 struct ieee80211_vif *vif)
381 {
382 struct iwl_mvm *mvm = data;
383 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
384
385 mvmvif->uploaded = false;
386 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
387
388 /* does this make sense at all? */
389 mvmvif->color++;
390
391 spin_lock_bh(&mvm->time_event_lock);
392 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
393 spin_unlock_bh(&mvm->time_event_lock);
394
395 mvmvif->phy_ctxt = NULL;
396 }
397
398 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
399 {
400 iwl_trans_stop_device(mvm->trans);
401 iwl_trans_stop_hw(mvm->trans, false);
402
403 mvm->scan_status = IWL_MVM_SCAN_NONE;
404
405 /* just in case one was running */
406 ieee80211_remain_on_channel_expired(mvm->hw);
407
408 ieee80211_iterate_active_interfaces_atomic(
409 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
410 iwl_mvm_cleanup_iterator, mvm);
411
412 mvm->p2p_device_vif = NULL;
413
414 iwl_mvm_reset_phy_ctxts(mvm);
415 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
416 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
417
418 ieee80211_wake_queues(mvm->hw);
419
420 mvm->vif_count = 0;
421 mvm->rx_ba_sessions = 0;
422 }
423
424 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
425 {
426 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
427 int ret;
428
429 mutex_lock(&mvm->mutex);
430
431 /* Clean up some internal and mac80211 state on restart */
432 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
433 iwl_mvm_restart_cleanup(mvm);
434
435 ret = iwl_mvm_up(mvm);
436 mutex_unlock(&mvm->mutex);
437
438 return ret;
439 }
440
441 static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
442 {
443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
444 int ret;
445
446 mutex_lock(&mvm->mutex);
447
448 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
449 ret = iwl_mvm_update_quotas(mvm, NULL);
450 if (ret)
451 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
452 ret);
453
454 mutex_unlock(&mvm->mutex);
455 }
456
457 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
458 {
459 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
460
461 flush_work(&mvm->async_handlers_wk);
462
463 mutex_lock(&mvm->mutex);
464 /* async_handlers_wk is now blocked */
465
466 /*
467 * The work item could be running or queued if the
468 * ROC time event stops just as we get here.
469 */
470 cancel_work_sync(&mvm->roc_done_wk);
471
472 iwl_trans_stop_device(mvm->trans);
473 iwl_trans_stop_hw(mvm->trans, false);
474
475 iwl_mvm_async_handlers_purge(mvm);
476 /* async_handlers_list is empty and will stay empty: HW is stopped */
477
478 /* the fw is stopped, the aux sta is dead: clean up driver state */
479 iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
480
481 mutex_unlock(&mvm->mutex);
482
483 /*
484 * The worker might have been waiting for the mutex, let it run and
485 * discover that its list is now empty.
486 */
487 cancel_work_sync(&mvm->async_handlers_wk);
488 }
489
490 static void iwl_mvm_pm_disable_iterator(void *data, u8 *mac,
491 struct ieee80211_vif *vif)
492 {
493 struct iwl_mvm *mvm = data;
494 int ret;
495
496 ret = iwl_mvm_power_disable(mvm, vif);
497 if (ret)
498 IWL_ERR(mvm, "failed to disable power management\n");
499 }
500
501 static void iwl_mvm_power_update_iterator(void *data, u8 *mac,
502 struct ieee80211_vif *vif)
503 {
504 struct iwl_mvm *mvm = data;
505
506 iwl_mvm_power_update_mode(mvm, vif);
507 }
508
509 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
510 {
511 u16 i;
512
513 lockdep_assert_held(&mvm->mutex);
514
515 for (i = 0; i < NUM_PHY_CTX; i++)
516 if (!mvm->phy_ctxts[i].ref)
517 return &mvm->phy_ctxts[i];
518
519 IWL_ERR(mvm, "No available PHY context\n");
520 return NULL;
521 }
522
523 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
524 struct ieee80211_vif *vif)
525 {
526 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
527 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
528 int ret;
529
530 /*
531 * Not much to do here. The stack will not allow interface
532 * types or combinations that we didn't advertise, so we
533 * don't really have to check the types.
534 */
535
536 mutex_lock(&mvm->mutex);
537
538 /* Allocate resources for the MAC context, and add it to the fw */
539 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
540 if (ret)
541 goto out_unlock;
542
543 /*
544 * TODO: remove this temporary code.
545 * Currently MVM FW supports power management only on single MAC.
546 * If new interface added, disable PM on existing interface.
547 * P2P device is a special case, since it is handled by FW similary to
548 * scan. If P2P deviced is added, PM remains enabled on existing
549 * interface.
550 * Note: the method below does not count the new interface being added
551 * at this moment.
552 */
553 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
554 mvm->vif_count++;
555 if (mvm->vif_count > 1) {
556 IWL_DEBUG_MAC80211(mvm,
557 "Disable power on existing interfaces\n");
558 ieee80211_iterate_active_interfaces_atomic(
559 mvm->hw,
560 IEEE80211_IFACE_ITER_NORMAL,
561 iwl_mvm_pm_disable_iterator, mvm);
562 }
563
564 /*
565 * The AP binding flow can be done only after the beacon
566 * template is configured (which happens only in the mac80211
567 * start_ap() flow), and adding the broadcast station can happen
568 * only after the binding.
569 * In addition, since modifying the MAC before adding a bcast
570 * station is not allowed by the FW, delay the adding of MAC context to
571 * the point where we can also add the bcast station.
572 * In short: there's not much we can do at this point, other than
573 * allocating resources :)
574 */
575 if (vif->type == NL80211_IFTYPE_AP ||
576 vif->type == NL80211_IFTYPE_ADHOC) {
577 u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
578 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
579 qmask);
580 if (ret) {
581 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
582 goto out_release;
583 }
584
585 iwl_mvm_vif_dbgfs_register(mvm, vif);
586 goto out_unlock;
587 }
588
589 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
590 if (ret)
591 goto out_release;
592
593 /*
594 * Update power state on the new interface. Admittedly, based on
595 * mac80211 logics this power update will disable power management
596 */
597 iwl_mvm_power_update_mode(mvm, vif);
598
599 /* beacon filtering */
600 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
601 if (ret)
602 goto out_remove_mac;
603
604 if (!mvm->bf_allowed_vif &&
605 vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
606 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
607 mvm->bf_allowed_vif = mvmvif;
608 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
609 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
610 }
611
612 /*
613 * P2P_DEVICE interface does not have a channel context assigned to it,
614 * so a dedicated PHY context is allocated to it and the corresponding
615 * MAC context is bound to it at this stage.
616 */
617 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
618
619 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
620 if (!mvmvif->phy_ctxt) {
621 ret = -ENOSPC;
622 goto out_free_bf;
623 }
624
625 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
626 ret = iwl_mvm_binding_add_vif(mvm, vif);
627 if (ret)
628 goto out_unref_phy;
629
630 ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
631 if (ret)
632 goto out_unbind;
633
634 /* Save a pointer to p2p device vif, so it can later be used to
635 * update the p2p device MAC when a GO is started/stopped */
636 mvm->p2p_device_vif = vif;
637 }
638
639 iwl_mvm_vif_dbgfs_register(mvm, vif);
640 goto out_unlock;
641
642 out_unbind:
643 iwl_mvm_binding_remove_vif(mvm, vif);
644 out_unref_phy:
645 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
646 out_free_bf:
647 if (mvm->bf_allowed_vif == mvmvif) {
648 mvm->bf_allowed_vif = NULL;
649 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
650 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
651 }
652 out_remove_mac:
653 mvmvif->phy_ctxt = NULL;
654 iwl_mvm_mac_ctxt_remove(mvm, vif);
655 out_release:
656 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
657 mvm->vif_count--;
658 ieee80211_iterate_active_interfaces(
659 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
660 iwl_mvm_power_update_iterator, mvm);
661 iwl_mvm_mac_ctxt_release(mvm, vif);
662 out_unlock:
663 mutex_unlock(&mvm->mutex);
664
665 return ret;
666 }
667
668 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
669 struct ieee80211_vif *vif)
670 {
671 u32 tfd_msk = 0, ac;
672
673 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
674 if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
675 tfd_msk |= BIT(vif->hw_queue[ac]);
676
677 if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
678 tfd_msk |= BIT(vif->cab_queue);
679
680 if (tfd_msk) {
681 mutex_lock(&mvm->mutex);
682 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
683 mutex_unlock(&mvm->mutex);
684 }
685
686 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
687 /*
688 * Flush the ROC worker which will flush the OFFCHANNEL queue.
689 * We assume here that all the packets sent to the OFFCHANNEL
690 * queue are sent in ROC session.
691 */
692 flush_work(&mvm->roc_done_wk);
693 } else {
694 /*
695 * By now, all the AC queues are empty. The AGG queues are
696 * empty too. We already got all the Tx responses for all the
697 * packets in the queues. The drain work can have been
698 * triggered. Flush it.
699 */
700 flush_work(&mvm->sta_drained_wk);
701 }
702 }
703
704 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
705 struct ieee80211_vif *vif)
706 {
707 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
708 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
709
710 iwl_mvm_prepare_mac_removal(mvm, vif);
711
712 mutex_lock(&mvm->mutex);
713
714 if (mvm->bf_allowed_vif == mvmvif) {
715 mvm->bf_allowed_vif = NULL;
716 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
717 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
718 }
719
720 iwl_mvm_vif_dbgfs_clean(mvm, vif);
721
722 /*
723 * For AP/GO interface, the tear down of the resources allocated to the
724 * interface is be handled as part of the stop_ap flow.
725 */
726 if (vif->type == NL80211_IFTYPE_AP ||
727 vif->type == NL80211_IFTYPE_ADHOC) {
728 #ifdef CONFIG_NL80211_TESTMODE
729 if (vif == mvm->noa_vif) {
730 mvm->noa_vif = NULL;
731 mvm->noa_duration = 0;
732 }
733 #endif
734 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
735 goto out_release;
736 }
737
738 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
739 mvm->p2p_device_vif = NULL;
740 iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
741 iwl_mvm_binding_remove_vif(mvm, vif);
742 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
743 mvmvif->phy_ctxt = NULL;
744 }
745
746 /*
747 * TODO: remove this temporary code.
748 * Currently MVM FW supports power management only on single MAC.
749 * Check if only one additional interface remains after removing
750 * current one. Update power mode on the remaining interface.
751 */
752 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
753 mvm->vif_count--;
754 IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
755 mvm->vif_count);
756 if (mvm->vif_count == 1) {
757 ieee80211_iterate_active_interfaces(
758 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
759 iwl_mvm_power_update_iterator, mvm);
760 }
761
762 iwl_mvm_mac_ctxt_remove(mvm, vif);
763
764 out_release:
765 iwl_mvm_mac_ctxt_release(mvm, vif);
766 mutex_unlock(&mvm->mutex);
767 }
768
769 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
770 s8 tx_power)
771 {
772 /* FW is in charge of regulatory enforcement */
773 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
774 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
775 .pwr_restriction = cpu_to_le16(tx_power),
776 };
777
778 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
779 sizeof(reduce_txpwr_cmd),
780 &reduce_txpwr_cmd);
781 }
782
783 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
784 {
785 return 0;
786 }
787
788 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
789 unsigned int changed_flags,
790 unsigned int *total_flags,
791 u64 multicast)
792 {
793 *total_flags = 0;
794 }
795
796 static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm,
797 struct ieee80211_vif *vif)
798 {
799 struct iwl_mcast_filter_cmd mcast_filter_cmd = {
800 .pass_all = 1,
801 };
802
803 memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN);
804
805 return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC,
806 sizeof(mcast_filter_cmd),
807 &mcast_filter_cmd);
808 }
809
810 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
811 struct ieee80211_vif *vif,
812 struct ieee80211_bss_conf *bss_conf,
813 u32 changes)
814 {
815 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
816 int ret;
817
818 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
819 if (ret)
820 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
821
822 if (changes & BSS_CHANGED_ASSOC) {
823 if (bss_conf->assoc) {
824 /* add quota for this interface */
825 ret = iwl_mvm_update_quotas(mvm, vif);
826 if (ret) {
827 IWL_ERR(mvm, "failed to update quotas\n");
828 return;
829 }
830 iwl_mvm_configure_mcast_filter(mvm, vif);
831
832 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
833 &mvm->status)) {
834 /*
835 * If we're restarting then the firmware will
836 * obviously have lost synchronisation with
837 * the AP. It will attempt to synchronise by
838 * itself, but we can make it more reliable by
839 * scheduling a session protection time event.
840 *
841 * The firmware needs to receive a beacon to
842 * catch up with synchronisation, use 110% of
843 * the beacon interval.
844 *
845 * Set a large maximum delay to allow for more
846 * than a single interface.
847 */
848 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
849 iwl_mvm_protect_session(mvm, vif, dur, dur,
850 5 * dur);
851 }
852 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
853 /* remove AP station now that the MAC is unassoc */
854 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
855 if (ret)
856 IWL_ERR(mvm, "failed to remove AP station\n");
857 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
858 /* remove quota for this interface */
859 ret = iwl_mvm_update_quotas(mvm, NULL);
860 if (ret)
861 IWL_ERR(mvm, "failed to update quotas\n");
862 }
863
864 /* reset rssi values */
865 mvmvif->bf_data.ave_beacon_signal = 0;
866
867 if (!(mvm->fw->ucode_capa.flags &
868 IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT)) {
869 /* Workaround for FW bug, otherwise FW disables device
870 * power save upon disassociation
871 */
872 ret = iwl_mvm_power_update_mode(mvm, vif);
873 if (ret)
874 IWL_ERR(mvm, "failed to update power mode\n");
875 }
876 iwl_mvm_bt_coex_vif_change(mvm);
877 } else if (changes & BSS_CHANGED_BEACON_INFO) {
878 /*
879 * We received a beacon _after_ association so
880 * remove the session protection.
881 */
882 iwl_mvm_remove_time_event(mvm, mvmvif,
883 &mvmvif->time_event_data);
884 } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_QOS)) {
885 ret = iwl_mvm_power_update_mode(mvm, vif);
886 if (ret)
887 IWL_ERR(mvm, "failed to update power mode\n");
888 }
889 if (changes & BSS_CHANGED_TXPOWER) {
890 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
891 bss_conf->txpower);
892 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
893 }
894
895 if (changes & BSS_CHANGED_CQM) {
896 IWL_DEBUG_MAC80211(mvm, "cqm info_changed");
897 /* reset cqm events tracking */
898 mvmvif->bf_data.last_cqm_event = 0;
899 ret = iwl_mvm_update_beacon_filter(mvm, vif);
900 if (ret)
901 IWL_ERR(mvm, "failed to update CQM thresholds\n");
902 }
903 }
904
905 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
906 struct ieee80211_vif *vif)
907 {
908 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
909 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
910 int ret;
911
912 mutex_lock(&mvm->mutex);
913
914 /* Send the beacon template */
915 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
916 if (ret)
917 goto out_unlock;
918
919 /* Add the mac context */
920 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
921 if (ret)
922 goto out_unlock;
923
924 /* Perform the binding */
925 ret = iwl_mvm_binding_add_vif(mvm, vif);
926 if (ret)
927 goto out_remove;
928
929 mvmvif->ap_ibss_active = true;
930
931 /* Send the bcast station. At this stage the TBTT and DTIM time events
932 * are added and applied to the scheduler */
933 ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
934 if (ret)
935 goto out_unbind;
936
937 ret = iwl_mvm_update_quotas(mvm, vif);
938 if (ret)
939 goto out_rm_bcast;
940
941 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
942 if (vif->p2p && mvm->p2p_device_vif)
943 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
944
945 iwl_mvm_bt_coex_vif_change(mvm);
946
947 mutex_unlock(&mvm->mutex);
948 return 0;
949
950 out_rm_bcast:
951 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
952 out_unbind:
953 iwl_mvm_binding_remove_vif(mvm, vif);
954 out_remove:
955 iwl_mvm_mac_ctxt_remove(mvm, vif);
956 out_unlock:
957 mutex_unlock(&mvm->mutex);
958 return ret;
959 }
960
961 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
962 struct ieee80211_vif *vif)
963 {
964 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
965 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
966
967 iwl_mvm_prepare_mac_removal(mvm, vif);
968
969 mutex_lock(&mvm->mutex);
970
971 mvmvif->ap_ibss_active = false;
972
973 iwl_mvm_bt_coex_vif_change(mvm);
974
975 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
976 if (vif->p2p && mvm->p2p_device_vif)
977 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
978
979 iwl_mvm_update_quotas(mvm, NULL);
980 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
981 iwl_mvm_binding_remove_vif(mvm, vif);
982 iwl_mvm_mac_ctxt_remove(mvm, vif);
983
984 mutex_unlock(&mvm->mutex);
985 }
986
987 static void
988 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
989 struct ieee80211_vif *vif,
990 struct ieee80211_bss_conf *bss_conf,
991 u32 changes)
992 {
993 /* Need to send a new beacon template to the FW */
994 if (changes & BSS_CHANGED_BEACON) {
995 if (iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
996 IWL_WARN(mvm, "Failed updating beacon data\n");
997 }
998 }
999
1000 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1001 struct ieee80211_vif *vif,
1002 struct ieee80211_bss_conf *bss_conf,
1003 u32 changes)
1004 {
1005 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1006
1007 mutex_lock(&mvm->mutex);
1008
1009 switch (vif->type) {
1010 case NL80211_IFTYPE_STATION:
1011 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1012 break;
1013 case NL80211_IFTYPE_AP:
1014 case NL80211_IFTYPE_ADHOC:
1015 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
1016 break;
1017 default:
1018 /* shouldn't happen */
1019 WARN_ON_ONCE(1);
1020 }
1021
1022 mutex_unlock(&mvm->mutex);
1023 }
1024
1025 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1026 struct ieee80211_vif *vif,
1027 struct cfg80211_scan_request *req)
1028 {
1029 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1030 int ret;
1031
1032 if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS)
1033 return -EINVAL;
1034
1035 mutex_lock(&mvm->mutex);
1036
1037 if (mvm->scan_status == IWL_MVM_SCAN_NONE)
1038 ret = iwl_mvm_scan_request(mvm, vif, req);
1039 else
1040 ret = -EBUSY;
1041
1042 mutex_unlock(&mvm->mutex);
1043
1044 return ret;
1045 }
1046
1047 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1048 struct ieee80211_vif *vif)
1049 {
1050 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1051
1052 mutex_lock(&mvm->mutex);
1053
1054 iwl_mvm_cancel_scan(mvm);
1055
1056 mutex_unlock(&mvm->mutex);
1057 }
1058
1059 static void
1060 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
1061 struct ieee80211_sta *sta, u16 tid,
1062 int num_frames,
1063 enum ieee80211_frame_release_type reason,
1064 bool more_data)
1065 {
1066 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1067
1068 /* TODO: how do we tell the fw to send frames for a specific TID */
1069
1070 /*
1071 * The fw will send EOSP notification when the last frame will be
1072 * transmitted.
1073 */
1074 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames);
1075 }
1076
1077 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1078 struct ieee80211_vif *vif,
1079 enum sta_notify_cmd cmd,
1080 struct ieee80211_sta *sta)
1081 {
1082 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1083 struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv;
1084
1085 switch (cmd) {
1086 case STA_NOTIFY_SLEEP:
1087 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
1088 ieee80211_sta_block_awake(hw, sta, true);
1089 /*
1090 * The fw updates the STA to be asleep. Tx packets on the Tx
1091 * queues to this station will not be transmitted. The fw will
1092 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1093 */
1094 break;
1095 case STA_NOTIFY_AWAKE:
1096 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
1097 break;
1098 iwl_mvm_sta_modify_ps_wake(mvm, sta);
1099 break;
1100 default:
1101 break;
1102 }
1103 }
1104
1105 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1106 struct ieee80211_vif *vif,
1107 struct ieee80211_sta *sta,
1108 enum ieee80211_sta_state old_state,
1109 enum ieee80211_sta_state new_state)
1110 {
1111 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1112 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1113 int ret;
1114
1115 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1116 sta->addr, old_state, new_state);
1117
1118 /* this would be a mac80211 bug ... but don't crash */
1119 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1120 return -EINVAL;
1121
1122 /* if a STA is being removed, reuse its ID */
1123 flush_work(&mvm->sta_drained_wk);
1124
1125 mutex_lock(&mvm->mutex);
1126 if (old_state == IEEE80211_STA_NOTEXIST &&
1127 new_state == IEEE80211_STA_NONE) {
1128 /*
1129 * Firmware bug - it'll crash if the beacon interval is less
1130 * than 16. We can't avoid connecting at all, so refuse the
1131 * station state change, this will cause mac80211 to abandon
1132 * attempts to connect to this AP, and eventually wpa_s will
1133 * blacklist the AP...
1134 */
1135 if (vif->type == NL80211_IFTYPE_STATION &&
1136 vif->bss_conf.beacon_int < 16) {
1137 IWL_ERR(mvm,
1138 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1139 sta->addr, vif->bss_conf.beacon_int);
1140 ret = -EINVAL;
1141 goto out_unlock;
1142 }
1143 ret = iwl_mvm_add_sta(mvm, vif, sta);
1144 } else if (old_state == IEEE80211_STA_NONE &&
1145 new_state == IEEE80211_STA_AUTH) {
1146 ret = 0;
1147 } else if (old_state == IEEE80211_STA_AUTH &&
1148 new_state == IEEE80211_STA_ASSOC) {
1149 ret = iwl_mvm_update_sta(mvm, vif, sta);
1150 if (ret == 0)
1151 iwl_mvm_rs_rate_init(mvm, sta,
1152 mvmvif->phy_ctxt->channel->band);
1153 } else if (old_state == IEEE80211_STA_ASSOC &&
1154 new_state == IEEE80211_STA_AUTHORIZED) {
1155 /* enable beacon filtering */
1156 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif));
1157 ret = 0;
1158 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
1159 new_state == IEEE80211_STA_ASSOC) {
1160 /* disable beacon filtering */
1161 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif));
1162 ret = 0;
1163 } else if (old_state == IEEE80211_STA_ASSOC &&
1164 new_state == IEEE80211_STA_AUTH) {
1165 ret = 0;
1166 } else if (old_state == IEEE80211_STA_AUTH &&
1167 new_state == IEEE80211_STA_NONE) {
1168 ret = 0;
1169 } else if (old_state == IEEE80211_STA_NONE &&
1170 new_state == IEEE80211_STA_NOTEXIST) {
1171 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1172 } else {
1173 ret = -EIO;
1174 }
1175 out_unlock:
1176 mutex_unlock(&mvm->mutex);
1177
1178 return ret;
1179 }
1180
1181 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1182 {
1183 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1184
1185 mvm->rts_threshold = value;
1186
1187 return 0;
1188 }
1189
1190 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
1191 struct ieee80211_vif *vif, u16 ac,
1192 const struct ieee80211_tx_queue_params *params)
1193 {
1194 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1195 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1196
1197 mvmvif->queue_params[ac] = *params;
1198
1199 /*
1200 * No need to update right away, we'll get BSS_CHANGED_QOS
1201 * The exception is P2P_DEVICE interface which needs immediate update.
1202 */
1203 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1204 int ret;
1205
1206 mutex_lock(&mvm->mutex);
1207 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1208 mutex_unlock(&mvm->mutex);
1209 return ret;
1210 }
1211 return 0;
1212 }
1213
1214 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
1215 struct ieee80211_vif *vif)
1216 {
1217 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1218 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
1219 200 + vif->bss_conf.beacon_int);
1220 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
1221 100 + vif->bss_conf.beacon_int);
1222
1223 if (WARN_ON_ONCE(vif->bss_conf.assoc))
1224 return;
1225
1226 mutex_lock(&mvm->mutex);
1227 /* Try really hard to protect the session and hear a beacon */
1228 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
1229 mutex_unlock(&mvm->mutex);
1230 }
1231
1232 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
1233 struct ieee80211_vif *vif,
1234 struct cfg80211_sched_scan_request *req,
1235 struct ieee80211_sched_scan_ies *ies)
1236 {
1237 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1238 int ret;
1239
1240 mutex_lock(&mvm->mutex);
1241
1242 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1243 IWL_DEBUG_SCAN(mvm,
1244 "SCHED SCAN request during internal scan - abort\n");
1245 ret = -EBUSY;
1246 goto out;
1247 }
1248
1249 mvm->scan_status = IWL_MVM_SCAN_SCHED;
1250
1251 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
1252 if (ret)
1253 goto err;
1254
1255 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
1256 if (ret)
1257 goto err;
1258
1259 ret = iwl_mvm_sched_scan_start(mvm, req);
1260 if (!ret)
1261 goto out;
1262 err:
1263 mvm->scan_status = IWL_MVM_SCAN_NONE;
1264 out:
1265 mutex_unlock(&mvm->mutex);
1266 return ret;
1267 }
1268
1269 static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
1270 struct ieee80211_vif *vif)
1271 {
1272 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1273
1274 mutex_lock(&mvm->mutex);
1275 iwl_mvm_sched_scan_stop(mvm);
1276 mutex_unlock(&mvm->mutex);
1277 }
1278
1279 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
1280 enum set_key_cmd cmd,
1281 struct ieee80211_vif *vif,
1282 struct ieee80211_sta *sta,
1283 struct ieee80211_key_conf *key)
1284 {
1285 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1286 int ret;
1287
1288 if (iwlwifi_mod_params.sw_crypto) {
1289 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
1290 return -EOPNOTSUPP;
1291 }
1292
1293 switch (key->cipher) {
1294 case WLAN_CIPHER_SUITE_TKIP:
1295 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1296 /* fall-through */
1297 case WLAN_CIPHER_SUITE_CCMP:
1298 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1299 break;
1300 case WLAN_CIPHER_SUITE_AES_CMAC:
1301 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
1302 break;
1303 case WLAN_CIPHER_SUITE_WEP40:
1304 case WLAN_CIPHER_SUITE_WEP104:
1305 /*
1306 * Support for TX only, at least for now, so accept
1307 * the key and do nothing else. Then mac80211 will
1308 * pass it for TX but we don't have to use it for RX.
1309 */
1310 return 0;
1311 default:
1312 return -EOPNOTSUPP;
1313 }
1314
1315 mutex_lock(&mvm->mutex);
1316
1317 switch (cmd) {
1318 case SET_KEY:
1319 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1320 vif->type == NL80211_IFTYPE_AP) && !sta) {
1321 /*
1322 * GTK on AP interface is a TX-only key, return 0;
1323 * on IBSS they're per-station and because we're lazy
1324 * we don't support them for RX, so do the same.
1325 */
1326 ret = 0;
1327 key->hw_key_idx = STA_KEY_IDX_INVALID;
1328 break;
1329 }
1330
1331 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
1332 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
1333 if (ret) {
1334 IWL_WARN(mvm, "set key failed\n");
1335 /*
1336 * can't add key for RX, but we don't need it
1337 * in the device for TX so still return 0
1338 */
1339 key->hw_key_idx = STA_KEY_IDX_INVALID;
1340 ret = 0;
1341 }
1342
1343 break;
1344 case DISABLE_KEY:
1345 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
1346 ret = 0;
1347 break;
1348 }
1349
1350 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
1351 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
1352 break;
1353 default:
1354 ret = -EINVAL;
1355 }
1356
1357 mutex_unlock(&mvm->mutex);
1358 return ret;
1359 }
1360
1361 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
1362 struct ieee80211_vif *vif,
1363 struct ieee80211_key_conf *keyconf,
1364 struct ieee80211_sta *sta,
1365 u32 iv32, u16 *phase1key)
1366 {
1367 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1368
1369 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
1370 return;
1371
1372 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
1373 }
1374
1375
1376 static int iwl_mvm_roc(struct ieee80211_hw *hw,
1377 struct ieee80211_vif *vif,
1378 struct ieee80211_channel *channel,
1379 int duration,
1380 enum ieee80211_roc_type type)
1381 {
1382 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1383 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1384 struct cfg80211_chan_def chandef;
1385 struct iwl_mvm_phy_ctxt *phy_ctxt;
1386 int ret, i;
1387
1388 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
1389 duration, type);
1390
1391 if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
1392 IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
1393 return -EINVAL;
1394 }
1395
1396 mutex_lock(&mvm->mutex);
1397
1398 for (i = 0; i < NUM_PHY_CTX; i++) {
1399 phy_ctxt = &mvm->phy_ctxts[i];
1400 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
1401 continue;
1402
1403 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
1404 /*
1405 * Unbind the P2P_DEVICE from the current PHY context,
1406 * and if the PHY context is not used remove it.
1407 */
1408 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1409 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1410 goto out_unlock;
1411
1412 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1413
1414 /* Bind the P2P_DEVICE to the current PHY Context */
1415 mvmvif->phy_ctxt = phy_ctxt;
1416
1417 ret = iwl_mvm_binding_add_vif(mvm, vif);
1418 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1419 goto out_unlock;
1420
1421 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1422 goto schedule_time_event;
1423 }
1424 }
1425
1426 /* Need to update the PHY context only if the ROC channel changed */
1427 if (channel == mvmvif->phy_ctxt->channel)
1428 goto schedule_time_event;
1429
1430 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
1431
1432 /*
1433 * Change the PHY context configuration as it is currently referenced
1434 * only by the P2P Device MAC
1435 */
1436 if (mvmvif->phy_ctxt->ref == 1) {
1437 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
1438 &chandef, 1, 1);
1439 if (ret)
1440 goto out_unlock;
1441 } else {
1442 /*
1443 * The PHY context is shared with other MACs. Need to remove the
1444 * P2P Device from the binding, allocate an new PHY context and
1445 * create a new binding
1446 */
1447 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1448 if (!phy_ctxt) {
1449 ret = -ENOSPC;
1450 goto out_unlock;
1451 }
1452
1453 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1454 1, 1);
1455 if (ret) {
1456 IWL_ERR(mvm, "Failed to change PHY context\n");
1457 goto out_unlock;
1458 }
1459
1460 /* Unbind the P2P_DEVICE from the current PHY context */
1461 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1462 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1463 goto out_unlock;
1464
1465 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1466
1467 /* Bind the P2P_DEVICE to the new allocated PHY context */
1468 mvmvif->phy_ctxt = phy_ctxt;
1469
1470 ret = iwl_mvm_binding_add_vif(mvm, vif);
1471 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1472 goto out_unlock;
1473
1474 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1475 }
1476
1477 schedule_time_event:
1478 /* Schedule the time events */
1479 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
1480
1481 out_unlock:
1482 mutex_unlock(&mvm->mutex);
1483 IWL_DEBUG_MAC80211(mvm, "leave\n");
1484 return ret;
1485 }
1486
1487 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
1488 {
1489 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1490
1491 IWL_DEBUG_MAC80211(mvm, "enter\n");
1492
1493 mutex_lock(&mvm->mutex);
1494 iwl_mvm_stop_p2p_roc(mvm);
1495 mutex_unlock(&mvm->mutex);
1496
1497 IWL_DEBUG_MAC80211(mvm, "leave\n");
1498 return 0;
1499 }
1500
1501 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
1502 struct ieee80211_chanctx_conf *ctx)
1503 {
1504 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1505 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1506 struct iwl_mvm_phy_ctxt *phy_ctxt;
1507 int ret;
1508
1509 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
1510
1511 mutex_lock(&mvm->mutex);
1512 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1513 if (!phy_ctxt) {
1514 ret = -ENOSPC;
1515 goto out;
1516 }
1517
1518 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def,
1519 ctx->rx_chains_static,
1520 ctx->rx_chains_dynamic);
1521 if (ret) {
1522 IWL_ERR(mvm, "Failed to add PHY context\n");
1523 goto out;
1524 }
1525
1526 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
1527 *phy_ctxt_id = phy_ctxt->id;
1528 out:
1529 mutex_unlock(&mvm->mutex);
1530 return ret;
1531 }
1532
1533 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
1534 struct ieee80211_chanctx_conf *ctx)
1535 {
1536 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1537 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1538 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
1539
1540 mutex_lock(&mvm->mutex);
1541 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
1542 mutex_unlock(&mvm->mutex);
1543 }
1544
1545 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
1546 struct ieee80211_chanctx_conf *ctx,
1547 u32 changed)
1548 {
1549 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1550 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1551 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
1552
1553 if (WARN_ONCE((phy_ctxt->ref > 1) &&
1554 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
1555 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
1556 IEEE80211_CHANCTX_CHANGE_RADAR)),
1557 "Cannot change PHY. Ref=%d, changed=0x%X\n",
1558 phy_ctxt->ref, changed))
1559 return;
1560
1561 mutex_lock(&mvm->mutex);
1562 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def,
1563 ctx->rx_chains_static,
1564 ctx->rx_chains_dynamic);
1565 iwl_mvm_bt_coex_vif_change(mvm);
1566 mutex_unlock(&mvm->mutex);
1567 }
1568
1569 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
1570 struct ieee80211_vif *vif,
1571 struct ieee80211_chanctx_conf *ctx)
1572 {
1573 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1574 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1575 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
1576 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1577 int ret;
1578
1579 mutex_lock(&mvm->mutex);
1580
1581 mvmvif->phy_ctxt = phy_ctxt;
1582
1583 switch (vif->type) {
1584 case NL80211_IFTYPE_AP:
1585 case NL80211_IFTYPE_ADHOC:
1586 /*
1587 * The AP binding flow is handled as part of the start_ap flow
1588 * (in bss_info_changed), similarly for IBSS.
1589 */
1590 ret = 0;
1591 goto out_unlock;
1592 case NL80211_IFTYPE_STATION:
1593 case NL80211_IFTYPE_MONITOR:
1594 break;
1595 default:
1596 ret = -EINVAL;
1597 goto out_unlock;
1598 }
1599
1600 ret = iwl_mvm_binding_add_vif(mvm, vif);
1601 if (ret)
1602 goto out_unlock;
1603
1604 /*
1605 * Setting the quota at this stage is only required for monitor
1606 * interfaces. For the other types, the bss_info changed flow
1607 * will handle quota settings.
1608 */
1609 if (vif->type == NL80211_IFTYPE_MONITOR) {
1610 mvmvif->monitor_active = true;
1611 ret = iwl_mvm_update_quotas(mvm, vif);
1612 if (ret)
1613 goto out_remove_binding;
1614 }
1615
1616 goto out_unlock;
1617
1618 out_remove_binding:
1619 iwl_mvm_binding_remove_vif(mvm, vif);
1620 out_unlock:
1621 mutex_unlock(&mvm->mutex);
1622 if (ret)
1623 mvmvif->phy_ctxt = NULL;
1624 return ret;
1625 }
1626
1627 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
1628 struct ieee80211_vif *vif,
1629 struct ieee80211_chanctx_conf *ctx)
1630 {
1631 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1632 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1633
1634 mutex_lock(&mvm->mutex);
1635
1636 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
1637
1638 switch (vif->type) {
1639 case NL80211_IFTYPE_AP:
1640 case NL80211_IFTYPE_ADHOC:
1641 goto out_unlock;
1642 case NL80211_IFTYPE_MONITOR:
1643 mvmvif->monitor_active = false;
1644 iwl_mvm_update_quotas(mvm, NULL);
1645 break;
1646 default:
1647 break;
1648 }
1649
1650 iwl_mvm_binding_remove_vif(mvm, vif);
1651 out_unlock:
1652 mvmvif->phy_ctxt = NULL;
1653 mutex_unlock(&mvm->mutex);
1654 }
1655
1656 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
1657 struct ieee80211_sta *sta,
1658 bool set)
1659 {
1660 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1661 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1662
1663 if (!mvm_sta || !mvm_sta->vif) {
1664 IWL_ERR(mvm, "Station is not associated to a vif\n");
1665 return -EINVAL;
1666 }
1667
1668 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
1669 }
1670
1671 #ifdef CONFIG_NL80211_TESTMODE
1672 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
1673 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
1674 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
1675 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
1676 };
1677
1678 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
1679 struct ieee80211_vif *vif,
1680 void *data, int len)
1681 {
1682 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
1683 int err;
1684 u32 noa_duration;
1685
1686 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
1687 if (err)
1688 return err;
1689
1690 if (!tb[IWL_MVM_TM_ATTR_CMD])
1691 return -EINVAL;
1692
1693 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
1694 case IWL_MVM_TM_CMD_SET_NOA:
1695 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
1696 !vif->bss_conf.enable_beacon ||
1697 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
1698 return -EINVAL;
1699
1700 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
1701 if (noa_duration >= vif->bss_conf.beacon_int)
1702 return -EINVAL;
1703
1704 mvm->noa_duration = noa_duration;
1705 mvm->noa_vif = vif;
1706
1707 return iwl_mvm_update_quotas(mvm, NULL);
1708 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
1709 /* must be associated client vif - ignore authorized */
1710 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
1711 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
1712 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
1713 return -EINVAL;
1714
1715 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
1716 return iwl_mvm_enable_beacon_filter(mvm, vif);
1717 return iwl_mvm_disable_beacon_filter(mvm, vif);
1718 }
1719
1720 return -EOPNOTSUPP;
1721 }
1722
1723 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
1724 struct ieee80211_vif *vif,
1725 void *data, int len)
1726 {
1727 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1728 int err;
1729
1730 mutex_lock(&mvm->mutex);
1731 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
1732 mutex_unlock(&mvm->mutex);
1733
1734 return err;
1735 }
1736 #endif
1737
1738 struct ieee80211_ops iwl_mvm_hw_ops = {
1739 .tx = iwl_mvm_mac_tx,
1740 .ampdu_action = iwl_mvm_mac_ampdu_action,
1741 .start = iwl_mvm_mac_start,
1742 .restart_complete = iwl_mvm_mac_restart_complete,
1743 .stop = iwl_mvm_mac_stop,
1744 .add_interface = iwl_mvm_mac_add_interface,
1745 .remove_interface = iwl_mvm_mac_remove_interface,
1746 .config = iwl_mvm_mac_config,
1747 .configure_filter = iwl_mvm_configure_filter,
1748 .bss_info_changed = iwl_mvm_bss_info_changed,
1749 .hw_scan = iwl_mvm_mac_hw_scan,
1750 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1751 .sta_state = iwl_mvm_mac_sta_state,
1752 .sta_notify = iwl_mvm_mac_sta_notify,
1753 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
1754 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1755 .conf_tx = iwl_mvm_mac_conf_tx,
1756 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
1757 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
1758 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
1759 .set_key = iwl_mvm_mac_set_key,
1760 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
1761 .remain_on_channel = iwl_mvm_roc,
1762 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
1763 .add_chanctx = iwl_mvm_add_chanctx,
1764 .remove_chanctx = iwl_mvm_remove_chanctx,
1765 .change_chanctx = iwl_mvm_change_chanctx,
1766 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
1767 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
1768
1769 .start_ap = iwl_mvm_start_ap_ibss,
1770 .stop_ap = iwl_mvm_stop_ap_ibss,
1771 .join_ibss = iwl_mvm_start_ap_ibss,
1772 .leave_ibss = iwl_mvm_stop_ap_ibss,
1773
1774 .set_tim = iwl_mvm_set_tim,
1775
1776 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
1777
1778 #ifdef CONFIG_PM_SLEEP
1779 /* look at d3.c */
1780 .suspend = iwl_mvm_suspend,
1781 .resume = iwl_mvm_resume,
1782 .set_wakeup = iwl_mvm_set_wakeup,
1783 .set_rekey_data = iwl_mvm_set_rekey_data,
1784 #if IS_ENABLED(CONFIG_IPV6)
1785 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
1786 #endif
1787 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
1788 #endif
1789 };
Linux kernel - Deliverables
This page took 0.088419 seconds and 6 git commands to generate.