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iwlwifi: Support 7265 devices
[thirdparty/linux.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
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8ca151b5
JB		 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
410dc5aa 25 * in the file called COPYING.
8ca151b5
JB		 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>
f0c2646a 68#include <linux/ip.h>
8ca151b5 69#include <net/mac80211.h>
f0c2646a 70#include <net/tcp.h>
8ca151b5
JB		 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"
507cadf2 80#include "testmode.h"
8ca151b5
JB		 81
82static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
83 {
84 .max = 1,
8eb38710 85 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 86 },
3c15a0fb
JB		 87 {
88 .max = 1,
8eb38710
IP		 89 .types = BIT(NL80211_IFTYPE_AP) |
90 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 91 BIT(NL80211_IFTYPE_P2P_GO),
92 },
93 {
94 .max = 1,
95 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
96 },
8ca151b5
JB		 97};
98
99static 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
f0c2646a
JB		 108#ifdef CONFIG_PM_SLEEP
109static const struct nl80211_wowlan_tcp_data_token_feature
110iwl_mvm_wowlan_tcp_token_feature = {
111 .min_len = 0,
112 .max_len = 255,
113 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
114};
115
116static 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
fe0f2de3
IP		 131static 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
20f1a5de
DS		 142static 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
8ca151b5
JB		 150int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
151{
152 struct ieee80211_hw *hw = mvm->hw;
831e85f3 153 int num_mac, ret, i;
8ca151b5
JB		 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 |
8ca151b5
JB		 161 IEEE80211_HW_SUPPORTS_PS |
162 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 163 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 164 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be
EG		 165 IEEE80211_HW_CONNECTION_MONITOR |
166 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
e3c588ec
AB		 167 IEEE80211_HW_SUPPORTS_STATIC_SMPS |
168 IEEE80211_HW_SUPPORTS_UAPSD;
8ca151b5 169
19e737c9 170 hw->queues = mvm->first_agg_queue;
398e8c6c 171 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
8ca151b5
JB		 172 hw->rate_control_algorithm = "iwl-mvm-rs";
173
174 /*
175 * Enable 11w if advertised by firmware and software crypto
176 * is not enabled (as the firmware will interpret some mgmt
177 * packets, so enabling it with software crypto isn't safe)
178 */
179 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
180 !iwlwifi_mod_params.sw_crypto)
181 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
182
183 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
184 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 185 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 186
187 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 188 BIT(NL80211_IFTYPE_P2P_CLIENT) |
189 BIT(NL80211_IFTYPE_AP) |
190 BIT(NL80211_IFTYPE_P2P_GO) |
191 BIT(NL80211_IFTYPE_P2P_DEVICE);
8ca151b5
JB		 192
193 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
194 WIPHY_FLAG_DISABLE_BEACON_HINTS |
195 WIPHY_FLAG_IBSS_RSN;
196
197 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
198 hw->wiphy->n_iface_combinations =
199 ARRAY_SIZE(iwl_mvm_iface_combinations);
200
c451e6d4 201 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5 202 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
e3c588ec
AB		 203 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
204 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
8ca151b5
JB		 205
206 /* Extract MAC address */
207 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
208 hw->wiphy->addresses = mvm->addresses;
209 hw->wiphy->n_addresses = 1;
831e85f3
IP		 210
211 /* Extract additional MAC addresses if available */
212 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
213 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
214
215 for (i = 1; i < num_mac; i++) {
216 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 217 ETH_ALEN);
831e85f3 218 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 219 hw->wiphy->n_addresses++;
220 }
221
fe0f2de3
IP		 222 iwl_mvm_reset_phy_ctxts(mvm);
223
20f1a5de
DS		 224 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
225
8ca151b5
JB		 226 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
227
228 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
229 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
230 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
231 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
232 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
233 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
234
235 hw->wiphy->hw_version = mvm->trans->hw_id;
236
ade50652 237 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 238 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
239 else
240 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
241
35a000b7
DS		 242 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
243 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
244 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
245 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
246 /* we create the 802.11 header and zero length SSID IE. */
247 hw->wiphy->max_sched_scan_ie_len =
248 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
249 }
250
8ca151b5
JB		 251 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
252 NL80211_FEATURE_P2P_GO_OPPPS;
253
254 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
255
256#ifdef CONFIG_PM_SLEEP
257 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
258 mvm->trans->ops->d3_suspend &&
259 mvm->trans->ops->d3_resume &&
260 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 261 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
262 WIPHY_WOWLAN_DISCONNECT |
263 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
264 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 265 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 266 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
267 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
268 WIPHY_WOWLAN_4WAY_HANDSHAKE;
269
270 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
271 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
272 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
273 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
274 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 275 }
276#endif
277
278 ret = iwl_mvm_leds_init(mvm);
279 if (ret)
280 return ret;
281
b7327d89
EG		 282 ret = ieee80211_register_hw(mvm->hw);
283 if (ret)
284 iwl_mvm_leds_exit(mvm);
285
286 return ret;
8ca151b5
JB		 287}
288
289static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
290 struct ieee80211_tx_control *control,
291 struct sk_buff *skb)
292{
293 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
294
9ee718aa
EL		 295 if (iwl_mvm_is_radio_killed(mvm)) {
296 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 297 goto drop;
298 }
299
398e8c6c 300 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 301 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
302 goto drop;
303
304 if (control->sta) {
305 if (iwl_mvm_tx_skb(mvm, skb, control->sta))
306 goto drop;
307 return;
308 }
309
310 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
311 goto drop;
312 return;
313 drop:
314 ieee80211_free_txskb(hw, skb);
315}
316
317static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
318 struct ieee80211_vif *vif,
319 enum ieee80211_ampdu_mlme_action action,
320 struct ieee80211_sta *sta, u16 tid,
321 u16 *ssn, u8 buf_size)
322{
323 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
324 int ret;
325
326 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
327 sta->addr, tid, action);
328
329 if (!(mvm->nvm_data->sku_cap_11n_enable))
330 return -EACCES;
331
332 mutex_lock(&mvm->mutex);
333
334 switch (action) {
335 case IEEE80211_AMPDU_RX_START:
336 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) {
337 ret = -EINVAL;
338 break;
339 }
340 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
341 break;
342 case IEEE80211_AMPDU_RX_STOP:
343 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
344 break;
345 case IEEE80211_AMPDU_TX_START:
5d158efa
EG		 346 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
347 ret = -EINVAL;
348 break;
349 }
8ca151b5
JB		 350 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
351 break;
352 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 353 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
354 break;
8ca151b5
JB		 355 case IEEE80211_AMPDU_TX_STOP_FLUSH:
356 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 357 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 358 break;
359 case IEEE80211_AMPDU_TX_OPERATIONAL:
360 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
361 break;
362 default:
363 WARN_ON_ONCE(1);
364 ret = -EINVAL;
365 break;
366 }
367 mutex_unlock(&mvm->mutex);
368
369 return ret;
370}
371
372static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
373 struct ieee80211_vif *vif)
374{
375 struct iwl_mvm *mvm = data;
376 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
377
378 mvmvif->uploaded = false;
379 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
380
381 /* does this make sense at all? */
382 mvmvif->color++;
383
384 spin_lock_bh(&mvm->time_event_lock);
385 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
386 spin_unlock_bh(&mvm->time_event_lock);
387
fe0f2de3 388 mvmvif->phy_ctxt = NULL;
8ca151b5
JB		 389}
390
391static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
392{
393 iwl_trans_stop_device(mvm->trans);
394 iwl_trans_stop_hw(mvm->trans, false);
395
396 mvm->scan_status = IWL_MVM_SCAN_NONE;
397
398 /* just in case one was running */
399 ieee80211_remain_on_channel_expired(mvm->hw);
400
401 ieee80211_iterate_active_interfaces_atomic(
402 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
403 iwl_mvm_cleanup_iterator, mvm);
404
fe0f2de3
IP		 405 mvm->p2p_device_vif = NULL;
406
407 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 408 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
409 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
410
411 ieee80211_wake_queues(mvm->hw);
412
413 mvm->vif_count = 0;
113a0447 414 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 415}
416
417static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
418{
419 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
420 int ret;
421
422 mutex_lock(&mvm->mutex);
423
424 /* Clean up some internal and mac80211 state on restart */
425 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
426 iwl_mvm_restart_cleanup(mvm);
427
428 ret = iwl_mvm_up(mvm);
429 mutex_unlock(&mvm->mutex);
430
431 return ret;
432}
433
434static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
435{
436 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
437 int ret;
438
439 mutex_lock(&mvm->mutex);
440
441 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
442 ret = iwl_mvm_update_quotas(mvm, NULL);
443 if (ret)
444 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
445 ret);
446
447 mutex_unlock(&mvm->mutex);
448}
449
450static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
451{
452 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
453
454 flush_work(&mvm->async_handlers_wk);
455
456 mutex_lock(&mvm->mutex);
457 /* async_handlers_wk is now blocked */
458
459 /*
460 * The work item could be running or queued if the
461 * ROC time event stops just as we get here.
462 */
463 cancel_work_sync(&mvm->roc_done_wk);
464
465 iwl_trans_stop_device(mvm->trans);
466 iwl_trans_stop_hw(mvm->trans, false);
467
468 iwl_mvm_async_handlers_purge(mvm);
469 /* async_handlers_list is empty and will stay empty: HW is stopped */
470
471 /* the fw is stopped, the aux sta is dead: clean up driver state */
472 iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
473
474 mutex_unlock(&mvm->mutex);
475
476 /*
477 * The worker might have been waiting for the mutex, let it run and
478 * discover that its list is now empty.
479 */
480 cancel_work_sync(&mvm->async_handlers_wk);
481}
482
483static void iwl_mvm_pm_disable_iterator(void *data, u8 *mac,
484 struct ieee80211_vif *vif)
485{
486 struct iwl_mvm *mvm = data;
487 int ret;
488
489 ret = iwl_mvm_power_disable(mvm, vif);
490 if (ret)
491 IWL_ERR(mvm, "failed to disable power management\n");
492}
493
494static void iwl_mvm_power_update_iterator(void *data, u8 *mac,
495 struct ieee80211_vif *vif)
496{
497 struct iwl_mvm *mvm = data;
498
499 iwl_mvm_power_update_mode(mvm, vif);
500}
501
fe0f2de3
IP		 502static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
503{
504 u16 i;
505
506 lockdep_assert_held(&mvm->mutex);
507
508 for (i = 0; i < NUM_PHY_CTX; i++)
509 if (!mvm->phy_ctxts[i].ref)
510 return &mvm->phy_ctxts[i];
511
512 IWL_ERR(mvm, "No available PHY context\n");
513 return NULL;
514}
515
8ca151b5
JB		 516static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
517 struct ieee80211_vif *vif)
518{
519 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
520 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
521 int ret;
522
523 /*
524 * Not much to do here. The stack will not allow interface
525 * types or combinations that we didn't advertise, so we
526 * don't really have to check the types.
527 */
528
529 mutex_lock(&mvm->mutex);
530
e89044d7 531 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 532 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
533 if (ret)
534 goto out_unlock;
535
ea183d02
IP		 536 /*
537 * TODO: remove this temporary code.
538 * Currently MVM FW supports power management only on single MAC.
539 * If new interface added, disable PM on existing interface.
540 * P2P device is a special case, since it is handled by FW similary to
541 * scan. If P2P deviced is added, PM remains enabled on existing
542 * interface.
543 * Note: the method below does not count the new interface being added
544 * at this moment.
545 */
546 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
547 mvm->vif_count++;
548 if (mvm->vif_count > 1) {
549 IWL_DEBUG_MAC80211(mvm,
550 "Disable power on existing interfaces\n");
551 ieee80211_iterate_active_interfaces_atomic(
552 mvm->hw,
553 IEEE80211_IFACE_ITER_NORMAL,
554 iwl_mvm_pm_disable_iterator, mvm);
555 }
556
8ca151b5
JB		 557 /*
558 * The AP binding flow can be done only after the beacon
559 * template is configured (which happens only in the mac80211
560 * start_ap() flow), and adding the broadcast station can happen
561 * only after the binding.
562 * In addition, since modifying the MAC before adding a bcast
563 * station is not allowed by the FW, delay the adding of MAC context to
564 * the point where we can also add the bcast station.
565 * In short: there's not much we can do at this point, other than
566 * allocating resources :)
567 */
568 if (vif->type == NL80211_IFTYPE_AP) {
569 u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
570 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
571 qmask);
572 if (ret) {
573 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
574 goto out_release;
575 }
576
77740cb4 577 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 578 goto out_unlock;
579 }
580
8ca151b5
JB		 581 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
582 if (ret)
583 goto out_release;
584
585 /*
586 * Update power state on the new interface. Admittedly, based on
587 * mac80211 logics this power update will disable power management
588 */
589 iwl_mvm_power_update_mode(mvm, vif);
590
7df15b1e 591 /* beacon filtering */
bd3351ba
EP		 592 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
593 if (ret)
594 goto out_remove_mac;
595
7df15b1e 596 if (!mvm->bf_allowed_vif &&
5dca7c24
HG		 597 vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
598 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
7df15b1e 599 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 600 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
601 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 602 }
603
8ca151b5
JB		 604 /*
605 * P2P_DEVICE interface does not have a channel context assigned to it,
606 * so a dedicated PHY context is allocated to it and the corresponding
607 * MAC context is bound to it at this stage.
608 */
609 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 610
fe0f2de3
IP		 611 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
612 if (!mvmvif->phy_ctxt) {
613 ret = -ENOSPC;
bd3351ba 614 goto out_free_bf;
fe0f2de3 615 }
8ca151b5 616
53a9d61e 617 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 618 ret = iwl_mvm_binding_add_vif(mvm, vif);
619 if (ret)
53a9d61e 620 goto out_unref_phy;
8ca151b5
JB		 621
622 ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
623 if (ret)
624 goto out_unbind;
625
626 /* Save a pointer to p2p device vif, so it can later be used to
627 * update the p2p device MAC when a GO is started/stopped */
628 mvm->p2p_device_vif = vif;
629 }
630
63494374 631 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 632 goto out_unlock;
633
634 out_unbind:
635 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 636 out_unref_phy:
fe0f2de3 637 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 638 out_free_bf:
639 if (mvm->bf_allowed_vif == mvmvif) {
640 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 641 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
642 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 643 }
8ca151b5
JB		 644 out_remove_mac:
645 mvmvif->phy_ctxt = NULL;
646 iwl_mvm_mac_ctxt_remove(mvm, vif);
647 out_release:
5ee2b215
AB		 648 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
649 mvm->vif_count--;
4bf881f5
AB		 650 ieee80211_iterate_active_interfaces(
651 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
652 iwl_mvm_power_update_iterator, mvm);
8ca151b5
JB		 653 iwl_mvm_mac_ctxt_release(mvm, vif);
654 out_unlock:
655 mutex_unlock(&mvm->mutex);
656
657 return ret;
658}
659
38a12b5b
JB		 660static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
661 struct ieee80211_vif *vif)
8ca151b5 662{
8ca151b5
JB		 663 u32 tfd_msk = 0, ac;
664
665 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
666 if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
667 tfd_msk |= BIT(vif->hw_queue[ac]);
668
669 if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
670 tfd_msk |= BIT(vif->cab_queue);
671
672 if (tfd_msk) {
673 mutex_lock(&mvm->mutex);
674 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
675 mutex_unlock(&mvm->mutex);
676 }
677
678 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
679 /*
680 * Flush the ROC worker which will flush the OFFCHANNEL queue.
681 * We assume here that all the packets sent to the OFFCHANNEL
682 * queue are sent in ROC session.
683 */
684 flush_work(&mvm->roc_done_wk);
685 } else {
686 /*
687 * By now, all the AC queues are empty. The AGG queues are
688 * empty too. We already got all the Tx responses for all the
689 * packets in the queues. The drain work can have been
0742a75a 690 * triggered. Flush it.
8ca151b5
JB		 691 */
692 flush_work(&mvm->sta_drained_wk);
693 }
38a12b5b
JB		 694}
695
696static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
697 struct ieee80211_vif *vif)
698{
699 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
700 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
701
702 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 703
704 mutex_lock(&mvm->mutex);
705
7df15b1e
HG		 706 if (mvm->bf_allowed_vif == mvmvif) {
707 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 708 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
709 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 710 }
711
63494374
JB		 712 iwl_mvm_vif_dbgfs_clean(mvm, vif);
713
8ca151b5
JB		 714 /*
715 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 716 * interface is be handled as part of the stop_ap flow.
8ca151b5
JB		 717 */
718 if (vif->type == NL80211_IFTYPE_AP) {
507cadf2
DS		 719#ifdef CONFIG_NL80211_TESTMODE
720 if (vif == mvm->noa_vif) {
721 mvm->noa_vif = NULL;
722 mvm->noa_duration = 0;
723 }
724#endif
8ca151b5
JB		 725 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
726 goto out_release;
727 }
728
729 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
730 mvm->p2p_device_vif = NULL;
731 iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
732 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 733 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 734 mvmvif->phy_ctxt = NULL;
735 }
736
737 /*
738 * TODO: remove this temporary code.
739 * Currently MVM FW supports power management only on single MAC.
740 * Check if only one additional interface remains after removing
741 * current one. Update power mode on the remaining interface.
742 */
5ee2b215 743 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5
JB		 744 mvm->vif_count--;
745 IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
746 mvm->vif_count);
747 if (mvm->vif_count == 1) {
748 ieee80211_iterate_active_interfaces(
749 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
750 iwl_mvm_power_update_iterator, mvm);
751 }
752
753 iwl_mvm_mac_ctxt_remove(mvm, vif);
754
755out_release:
756 iwl_mvm_mac_ctxt_release(mvm, vif);
757 mutex_unlock(&mvm->mutex);
758}
759
88f2fd73
MG		 760static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
761 s8 tx_power)
762{
763 /* FW is in charge of regulatory enforcement */
764 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
765 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
766 .pwr_restriction = cpu_to_le16(tx_power),
767 };
768
769 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
770 sizeof(reduce_txpwr_cmd),
771 &reduce_txpwr_cmd);
772}
773
8ca151b5
JB		 774static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
775{
776 return 0;
777}
778
779static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
780 unsigned int changed_flags,
781 unsigned int *total_flags,
782 u64 multicast)
783{
784 *total_flags = 0;
785}
786
51b6b9e0
EG		 787static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm,
788 struct ieee80211_vif *vif)
789{
790 struct iwl_mcast_filter_cmd mcast_filter_cmd = {
791 .pass_all = 1,
792 };
793
794 memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN);
795
796 return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC,
797 sizeof(mcast_filter_cmd),
798 &mcast_filter_cmd);
799}
800
8ca151b5
JB		 801static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
802 struct ieee80211_vif *vif,
803 struct ieee80211_bss_conf *bss_conf,
804 u32 changes)
805{
806 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
807 int ret;
808
809 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
810 if (ret)
811 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
812
813 if (changes & BSS_CHANGED_ASSOC) {
814 if (bss_conf->assoc) {
815 /* add quota for this interface */
816 ret = iwl_mvm_update_quotas(mvm, vif);
817 if (ret) {
818 IWL_ERR(mvm, "failed to update quotas\n");
819 return;
820 }
51b6b9e0 821 iwl_mvm_configure_mcast_filter(mvm, vif);
016d27e1
JB		 822
823 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
824 &mvm->status)) {
825 /*
826 * If we're restarting then the firmware will
827 * obviously have lost synchronisation with
828 * the AP. It will attempt to synchronise by
829 * itself, but we can make it more reliable by
830 * scheduling a session protection time event.
831 *
832 * The firmware needs to receive a beacon to
833 * catch up with synchronisation, use 110% of
834 * the beacon interval.
835 *
836 * Set a large maximum delay to allow for more
837 * than a single interface.
838 */
839 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
840 iwl_mvm_protect_session(mvm, vif, dur, dur,
841 5 * dur);
842 }
8ca151b5
JB		 843 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
844 /* remove AP station now that the MAC is unassoc */
845 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
846 if (ret)
847 IWL_ERR(mvm, "failed to remove AP station\n");
848 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
849 /* remove quota for this interface */
850 ret = iwl_mvm_update_quotas(mvm, NULL);
851 if (ret)
852 IWL_ERR(mvm, "failed to update quotas\n");
853 }
a20fd398
AO		 854
855 /* reset rssi values */
856 mvmvif->bf_data.ave_beacon_signal = 0;
857
e811ada7
AB		 858 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD)) {
859 /* Workaround for FW bug, otherwise FW disables device
860 * power save upon disassociation
861 */
862 ret = iwl_mvm_power_update_mode(mvm, vif);
863 if (ret)
864 IWL_ERR(mvm, "failed to update power mode\n");
865 }
8e484f0b 866 iwl_mvm_bt_coex_vif_change(mvm);
989c6505 867 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 868 /*
869 * We received a beacon _after_ association so
870 * remove the session protection.
871 */
872 iwl_mvm_remove_time_event(mvm, mvmvif,
873 &mvmvif->time_event_data);
e3c588ec 874 } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_QOS)) {
4bf881f5
AB		 875 ret = iwl_mvm_power_update_mode(mvm, vif);
876 if (ret)
877 IWL_ERR(mvm, "failed to update power mode\n");
8ca151b5 878 }
88f2fd73
MG		 879 if (changes & BSS_CHANGED_TXPOWER) {
880 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
881 bss_conf->txpower);
882 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
883 }
a20fd398
AO		 884
885 if (changes & BSS_CHANGED_CQM) {
886 IWL_DEBUG_MAC80211(mvm, "cqm info_changed");
887 /* reset cqm events tracking */
888 mvmvif->bf_data.last_cqm_event = 0;
889 ret = iwl_mvm_update_beacon_filter(mvm, vif);
890 if (ret)
891 IWL_ERR(mvm, "failed to update CQM thresholds\n");
892 }
8ca151b5
JB		 893}
894
895static int iwl_mvm_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
896{
897 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
898 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
899 int ret;
900
901 mutex_lock(&mvm->mutex);
902
903 /* Send the beacon template */
904 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
905 if (ret)
906 goto out_unlock;
907
908 /* Add the mac context */
909 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
910 if (ret)
911 goto out_unlock;
912
913 /* Perform the binding */
914 ret = iwl_mvm_binding_add_vif(mvm, vif);
915 if (ret)
916 goto out_remove;
917
918 mvmvif->ap_active = true;
919
920 /* Send the bcast station. At this stage the TBTT and DTIM time events
921 * are added and applied to the scheduler */
922 ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
923 if (ret)
924 goto out_unbind;
925
926 ret = iwl_mvm_update_quotas(mvm, vif);
927 if (ret)
928 goto out_rm_bcast;
929
930 /* Need to update the P2P Device MAC */
931 if (vif->p2p && mvm->p2p_device_vif)
932 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
933
8e484f0b 934 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 935
8ca151b5
JB		 936 mutex_unlock(&mvm->mutex);
937 return 0;
938
939out_rm_bcast:
940 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
941out_unbind:
942 iwl_mvm_binding_remove_vif(mvm, vif);
943out_remove:
944 iwl_mvm_mac_ctxt_remove(mvm, vif);
945out_unlock:
946 mutex_unlock(&mvm->mutex);
947 return ret;
948}
949
950static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
951{
952 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
953 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
954
38a12b5b
JB		 955 iwl_mvm_prepare_mac_removal(mvm, vif);
956
8ca151b5
JB		 957 mutex_lock(&mvm->mutex);
958
959 mvmvif->ap_active = false;
960
8e484f0b 961 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 962
8ca151b5
JB		 963 /* Need to update the P2P Device MAC */
964 if (vif->p2p && mvm->p2p_device_vif)
965 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
966
967 iwl_mvm_update_quotas(mvm, NULL);
968 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
969 iwl_mvm_binding_remove_vif(mvm, vif);
970 iwl_mvm_mac_ctxt_remove(mvm, vif);
971
972 mutex_unlock(&mvm->mutex);
973}
974
975static void iwl_mvm_bss_info_changed_ap(struct iwl_mvm *mvm,
976 struct ieee80211_vif *vif,
977 struct ieee80211_bss_conf *bss_conf,
978 u32 changes)
979{
980 /* Need to send a new beacon template to the FW */
981 if (changes & BSS_CHANGED_BEACON) {
982 if (iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
983 IWL_WARN(mvm, "Failed updating beacon data\n");
984 }
985}
986
987static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
988 struct ieee80211_vif *vif,
989 struct ieee80211_bss_conf *bss_conf,
990 u32 changes)
991{
992 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
993
994 mutex_lock(&mvm->mutex);
995
996 switch (vif->type) {
997 case NL80211_IFTYPE_STATION:
998 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
999 break;
1000 case NL80211_IFTYPE_AP:
1001 iwl_mvm_bss_info_changed_ap(mvm, vif, bss_conf, changes);
1002 break;
1003 default:
1004 /* shouldn't happen */
1005 WARN_ON_ONCE(1);
1006 }
1007
1008 mutex_unlock(&mvm->mutex);
1009}
1010
1011static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1012 struct ieee80211_vif *vif,
1013 struct cfg80211_scan_request *req)
1014{
1015 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1016 int ret;
1017
1018 if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS)
1019 return -EINVAL;
1020
1021 mutex_lock(&mvm->mutex);
1022
1023 if (mvm->scan_status == IWL_MVM_SCAN_NONE)
1024 ret = iwl_mvm_scan_request(mvm, vif, req);
1025 else
1026 ret = -EBUSY;
1027
1028 mutex_unlock(&mvm->mutex);
1029
1030 return ret;
1031}
1032
1033static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1034 struct ieee80211_vif *vif)
1035{
1036 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1037
1038 mutex_lock(&mvm->mutex);
1039
1040 iwl_mvm_cancel_scan(mvm);
1041
1042 mutex_unlock(&mvm->mutex);
1043}
1044
1045static void
1046iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
1047 struct ieee80211_sta *sta, u16 tid,
1048 int num_frames,
1049 enum ieee80211_frame_release_type reason,
1050 bool more_data)
1051{
1052 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 1053
1054 /* TODO: how do we tell the fw to send frames for a specific TID */
1055
1056 /*
1057 * The fw will send EOSP notification when the last frame will be
1058 * transmitted.
1059 */
9cc40712 1060 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames);
8ca151b5
JB		 1061}
1062
1063static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1064 struct ieee80211_vif *vif,
1065 enum sta_notify_cmd cmd,
1066 struct ieee80211_sta *sta)
1067{
1068 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1069 struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv;
1070
1071 switch (cmd) {
1072 case STA_NOTIFY_SLEEP:
e3d4bc8c 1073 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5
JB		 1074 ieee80211_sta_block_awake(hw, sta, true);
1075 /*
1076 * The fw updates the STA to be asleep. Tx packets on the Tx
1077 * queues to this station will not be transmitted. The fw will
1078 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1079 */
1080 break;
1081 case STA_NOTIFY_AWAKE:
881acd89 1082 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1083 break;
9cc40712 1084 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1085 break;
1086 default:
1087 break;
1088 }
1089}
1090
1091static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1092 struct ieee80211_vif *vif,
1093 struct ieee80211_sta *sta,
1094 enum ieee80211_sta_state old_state,
1095 enum ieee80211_sta_state new_state)
1096{
1097 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1098 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1099 int ret;
1100
1101 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1102 sta->addr, old_state, new_state);
1103
1104 /* this would be a mac80211 bug ... but don't crash */
1105 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1106 return -EINVAL;
1107
1108 /* if a STA is being removed, reuse its ID */
1109 flush_work(&mvm->sta_drained_wk);
1110
1111 mutex_lock(&mvm->mutex);
1112 if (old_state == IEEE80211_STA_NOTEXIST &&
1113 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 1114 /*
1115 * Firmware bug - it'll crash if the beacon interval is less
1116 * than 16. We can't avoid connecting at all, so refuse the
1117 * station state change, this will cause mac80211 to abandon
1118 * attempts to connect to this AP, and eventually wpa_s will
1119 * blacklist the AP...
1120 */
1121 if (vif->type == NL80211_IFTYPE_STATION &&
1122 vif->bss_conf.beacon_int < 16) {
1123 IWL_ERR(mvm,
1124 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1125 sta->addr, vif->bss_conf.beacon_int);
1126 ret = -EINVAL;
1127 goto out_unlock;
1128 }
8ca151b5
JB		 1129 ret = iwl_mvm_add_sta(mvm, vif, sta);
1130 } else if (old_state == IEEE80211_STA_NONE &&
1131 new_state == IEEE80211_STA_AUTH) {
1132 ret = 0;
1133 } else if (old_state == IEEE80211_STA_AUTH &&
1134 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 1135 ret = iwl_mvm_update_sta(mvm, vif, sta);
1136 if (ret == 0)
1137 iwl_mvm_rs_rate_init(mvm, sta,
1138 mvmvif->phy_ctxt->channel->band);
8ca151b5
JB		 1139 } else if (old_state == IEEE80211_STA_ASSOC &&
1140 new_state == IEEE80211_STA_AUTHORIZED) {
7df15b1e
HG		 1141 /* enable beacon filtering */
1142 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif));
8ca151b5
JB		 1143 ret = 0;
1144 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
1145 new_state == IEEE80211_STA_ASSOC) {
7df15b1e
HG		 1146 /* disable beacon filtering */
1147 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif));
8ca151b5
JB		 1148 ret = 0;
1149 } else if (old_state == IEEE80211_STA_ASSOC &&
1150 new_state == IEEE80211_STA_AUTH) {
1151 ret = 0;
1152 } else if (old_state == IEEE80211_STA_AUTH &&
1153 new_state == IEEE80211_STA_NONE) {
1154 ret = 0;
1155 } else if (old_state == IEEE80211_STA_NONE &&
1156 new_state == IEEE80211_STA_NOTEXIST) {
1157 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1158 } else {
1159 ret = -EIO;
1160 }
48bc1307 1161 out_unlock:
8ca151b5
JB		 1162 mutex_unlock(&mvm->mutex);
1163
1164 return ret;
1165}
1166
1167static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1168{
1169 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1170
1171 mvm->rts_threshold = value;
1172
1173 return 0;
1174}
1175
1176static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
1177 struct ieee80211_vif *vif, u16 ac,
1178 const struct ieee80211_tx_queue_params *params)
1179{
1180 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1181 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1182
1183 mvmvif->queue_params[ac] = *params;
1184
1185 /*
1186 * No need to update right away, we'll get BSS_CHANGED_QOS
1187 * The exception is P2P_DEVICE interface which needs immediate update.
1188 */
1189 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1190 int ret;
1191
1192 mutex_lock(&mvm->mutex);
1193 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1194 mutex_unlock(&mvm->mutex);
1195 return ret;
1196 }
1197 return 0;
1198}
1199
1200static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
1201 struct ieee80211_vif *vif)
1202{
1203 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1204 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
1205 200 + vif->bss_conf.beacon_int);
1206 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
1207 100 + vif->bss_conf.beacon_int);
1208
1209 if (WARN_ON_ONCE(vif->bss_conf.assoc))
1210 return;
1211
1212 mutex_lock(&mvm->mutex);
1213 /* Try really hard to protect the session and hear a beacon */
016d27e1 1214 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
8ca151b5
JB		 1215 mutex_unlock(&mvm->mutex);
1216}
1217
35a000b7
DS		 1218static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
1219 struct ieee80211_vif *vif,
1220 struct cfg80211_sched_scan_request *req,
1221 struct ieee80211_sched_scan_ies *ies)
1222{
1223 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1224 int ret;
1225
1226 mutex_lock(&mvm->mutex);
1227
1228 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1229 IWL_DEBUG_SCAN(mvm,
1230 "SCHED SCAN request during internal scan - abort\n");
1231 ret = -EBUSY;
1232 goto out;
1233 }
1234
1235 mvm->scan_status = IWL_MVM_SCAN_SCHED;
1236
1237 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
1238 if (ret)
1239 goto err;
1240
1241 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
1242 if (ret)
1243 goto err;
1244
1245 ret = iwl_mvm_sched_scan_start(mvm, req);
1246 if (!ret)
1247 goto out;
1248err:
1249 mvm->scan_status = IWL_MVM_SCAN_NONE;
1250out:
1251 mutex_unlock(&mvm->mutex);
1252 return ret;
1253}
1254
1255static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
1256 struct ieee80211_vif *vif)
1257{
1258 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1259
1260 mutex_lock(&mvm->mutex);
1261 iwl_mvm_sched_scan_stop(mvm);
1262 mutex_unlock(&mvm->mutex);
1263}
1264
8ca151b5
JB		 1265static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
1266 enum set_key_cmd cmd,
1267 struct ieee80211_vif *vif,
1268 struct ieee80211_sta *sta,
1269 struct ieee80211_key_conf *key)
1270{
1271 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1272 int ret;
1273
1274 if (iwlwifi_mod_params.sw_crypto) {
1275 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
1276 return -EOPNOTSUPP;
1277 }
1278
1279 switch (key->cipher) {
1280 case WLAN_CIPHER_SUITE_TKIP:
1281 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1282 /* fall-through */
1283 case WLAN_CIPHER_SUITE_CCMP:
1284 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1285 break;
1286 case WLAN_CIPHER_SUITE_AES_CMAC:
1287 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
1288 break;
1289 case WLAN_CIPHER_SUITE_WEP40:
1290 case WLAN_CIPHER_SUITE_WEP104:
1291 /*
1292 * Support for TX only, at least for now, so accept
1293 * the key and do nothing else. Then mac80211 will
1294 * pass it for TX but we don't have to use it for RX.
1295 */
1296 return 0;
1297 default:
1298 return -EOPNOTSUPP;
1299 }
1300
1301 mutex_lock(&mvm->mutex);
1302
1303 switch (cmd) {
1304 case SET_KEY:
6caffd4f
JB		 1305 if (vif->type == NL80211_IFTYPE_AP && !sta) {
1306 /* GTK on AP interface is a TX-only key, return 0 */
1307 ret = 0;
1308 key->hw_key_idx = STA_KEY_IDX_INVALID;
1309 break;
1310 }
1311
8ca151b5
JB		 1312 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
1313 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
1314 if (ret) {
1315 IWL_WARN(mvm, "set key failed\n");
1316 /*
1317 * can't add key for RX, but we don't need it
1318 * in the device for TX so still return 0
1319 */
6caffd4f 1320 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 1321 ret = 0;
1322 }
1323
1324 break;
1325 case DISABLE_KEY:
6caffd4f
JB		 1326 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
1327 ret = 0;
1328 break;
1329 }
1330
8ca151b5
JB		 1331 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
1332 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
1333 break;
1334 default:
1335 ret = -EINVAL;
1336 }
1337
1338 mutex_unlock(&mvm->mutex);
1339 return ret;
1340}
1341
1342static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
1343 struct ieee80211_vif *vif,
1344 struct ieee80211_key_conf *keyconf,
1345 struct ieee80211_sta *sta,
1346 u32 iv32, u16 *phase1key)
1347{
1348 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1349
1350 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
1351}
1352
1353
1354static int iwl_mvm_roc(struct ieee80211_hw *hw,
1355 struct ieee80211_vif *vif,
1356 struct ieee80211_channel *channel,
d339d5ca
IP		 1357 int duration,
1358 enum ieee80211_roc_type type)
8ca151b5
JB		 1359{
1360 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 1361 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 1362 struct cfg80211_chan_def chandef;
31d385ae
IP		 1363 struct iwl_mvm_phy_ctxt *phy_ctxt;
1364 int ret, i;
1365
1366 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
1367 duration, type);
8ca151b5
JB		 1368
1369 if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
1370 IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
1371 return -EINVAL;
1372 }
1373
8ca151b5
JB		 1374 mutex_lock(&mvm->mutex);
1375
31d385ae
IP		 1376 for (i = 0; i < NUM_PHY_CTX; i++) {
1377 phy_ctxt = &mvm->phy_ctxts[i];
1378 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
1379 continue;
1380
1381 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
1382 /*
1383 * Unbind the P2P_DEVICE from the current PHY context,
1384 * and if the PHY context is not used remove it.
1385 */
1386 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1387 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1388 goto out_unlock;
1389
1390 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1391
1392 /* Bind the P2P_DEVICE to the current PHY Context */
1393 mvmvif->phy_ctxt = phy_ctxt;
1394
1395 ret = iwl_mvm_binding_add_vif(mvm, vif);
1396 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1397 goto out_unlock;
1398
1399 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1400 goto schedule_time_event;
1401 }
1402 }
1403
1404 /* Need to update the PHY context only if the ROC channel changed */
1405 if (channel == mvmvif->phy_ctxt->channel)
1406 goto schedule_time_event;
1407
8ca151b5 1408 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 1409
31d385ae
IP		 1410 /*
1411 * Change the PHY context configuration as it is currently referenced
1412 * only by the P2P Device MAC
1413 */
1414 if (mvmvif->phy_ctxt->ref == 1) {
1415 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
1416 &chandef, 1, 1);
1417 if (ret)
1418 goto out_unlock;
1419 } else {
1420 /*
1421 * The PHY context is shared with other MACs. Need to remove the
1422 * P2P Device from the binding, allocate an new PHY context and
1423 * create a new binding
1424 */
1425 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1426 if (!phy_ctxt) {
1427 ret = -ENOSPC;
1428 goto out_unlock;
1429 }
1430
1431 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1432 1, 1);
1433 if (ret) {
1434 IWL_ERR(mvm, "Failed to change PHY context\n");
1435 goto out_unlock;
1436 }
1437
1438 /* Unbind the P2P_DEVICE from the current PHY context */
1439 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1440 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1441 goto out_unlock;
1442
1443 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1444
1445 /* Bind the P2P_DEVICE to the new allocated PHY context */
1446 mvmvif->phy_ctxt = phy_ctxt;
1447
1448 ret = iwl_mvm_binding_add_vif(mvm, vif);
1449 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1450 goto out_unlock;
1451
1452 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1453 }
1454
1455schedule_time_event:
8ca151b5 1456 /* Schedule the time events */
e635c797 1457 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 1458
31d385ae 1459out_unlock:
8ca151b5
JB		 1460 mutex_unlock(&mvm->mutex);
1461 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 1462 return ret;
1463}
1464
1465static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
1466{
1467 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1468
1469 IWL_DEBUG_MAC80211(mvm, "enter\n");
1470
1471 mutex_lock(&mvm->mutex);
1472 iwl_mvm_stop_p2p_roc(mvm);
1473 mutex_unlock(&mvm->mutex);
1474
1475 IWL_DEBUG_MAC80211(mvm, "leave\n");
1476 return 0;
1477}
1478
1479static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
1480 struct ieee80211_chanctx_conf *ctx)
1481{
1482 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 1483 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1484 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 1485 int ret;
1486
53a9d61e 1487 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 1488
8ca151b5 1489 mutex_lock(&mvm->mutex);
fe0f2de3
IP		 1490 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1491 if (!phy_ctxt) {
1492 ret = -ENOSPC;
1493 goto out;
1494 }
8ca151b5 1495
53a9d61e
IP		 1496 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def,
1497 ctx->rx_chains_static,
1498 ctx->rx_chains_dynamic);
fe0f2de3
IP		 1499 if (ret) {
1500 IWL_ERR(mvm, "Failed to add PHY context\n");
1501 goto out;
1502 }
1503
53a9d61e 1504 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 1505 *phy_ctxt_id = phy_ctxt->id;
1506out:
8ca151b5
JB		 1507 mutex_unlock(&mvm->mutex);
1508 return ret;
1509}
1510
1511static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
1512 struct ieee80211_chanctx_conf *ctx)
1513{
1514 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 1515 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1516 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 1517
1518 mutex_lock(&mvm->mutex);
fe0f2de3 1519 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
8ca151b5
JB		 1520 mutex_unlock(&mvm->mutex);
1521}
1522
1523static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
1524 struct ieee80211_chanctx_conf *ctx,
1525 u32 changed)
1526{
1527 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 1528 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1529 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 1530
31d385ae
IP		 1531 if (WARN_ONCE((phy_ctxt->ref > 1) &&
1532 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
1533 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
1534 IEEE80211_CHANCTX_CHANGE_RADAR)),
1535 "Cannot change PHY. Ref=%d, changed=0x%X\n",
1536 phy_ctxt->ref, changed))
1537 return;
1538
8ca151b5
JB		 1539 mutex_lock(&mvm->mutex);
1540 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def,
1541 ctx->rx_chains_static,
1542 ctx->rx_chains_dynamic);
8e484f0b 1543 iwl_mvm_bt_coex_vif_change(mvm);
8ca151b5
JB		 1544 mutex_unlock(&mvm->mutex);
1545}
1546
1547static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
1548 struct ieee80211_vif *vif,
1549 struct ieee80211_chanctx_conf *ctx)
1550{
1551 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 1552 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1553 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 1554 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1555 int ret;
1556
1557 mutex_lock(&mvm->mutex);
1558
fe0f2de3 1559 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 1560
1561 switch (vif->type) {
1562 case NL80211_IFTYPE_AP:
1563 /*
1564 * The AP binding flow is handled as part of the start_ap flow
1565 * (in bss_info_changed).
1566 */
1567 ret = 0;
1568 goto out_unlock;
1569 case NL80211_IFTYPE_STATION:
1570 case NL80211_IFTYPE_ADHOC:
1571 case NL80211_IFTYPE_MONITOR:
1572 break;
1573 default:
1574 ret = -EINVAL;
1575 goto out_unlock;
1576 }
1577
1578 ret = iwl_mvm_binding_add_vif(mvm, vif);
1579 if (ret)
1580 goto out_unlock;
1581
1582 /*
1583 * Setting the quota at this stage is only required for monitor
1584 * interfaces. For the other types, the bss_info changed flow
1585 * will handle quota settings.
1586 */
1587 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 1588 mvmvif->monitor_active = true;
8ca151b5
JB		 1589 ret = iwl_mvm_update_quotas(mvm, vif);
1590 if (ret)
1591 goto out_remove_binding;
1592 }
1593
1594 goto out_unlock;
1595
1596 out_remove_binding:
1597 iwl_mvm_binding_remove_vif(mvm, vif);
1598 out_unlock:
1599 mutex_unlock(&mvm->mutex);
1600 if (ret)
1601 mvmvif->phy_ctxt = NULL;
1602 return ret;
1603}
1604
1605static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
1606 struct ieee80211_vif *vif,
1607 struct ieee80211_chanctx_conf *ctx)
1608{
1609 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1610 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1611
1612 mutex_lock(&mvm->mutex);
1613
1614 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
1615
1616 if (vif->type == NL80211_IFTYPE_AP)
1617 goto out_unlock;
1618
8ca151b5
JB		 1619 switch (vif->type) {
1620 case NL80211_IFTYPE_MONITOR:
1e1391ca
IP		 1621 mvmvif->monitor_active = false;
1622 iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1623 break;
1624 default:
1625 break;
1626 }
1627
1e1391ca 1628 iwl_mvm_binding_remove_vif(mvm, vif);
8ca151b5
JB		 1629out_unlock:
1630 mvmvif->phy_ctxt = NULL;
1631 mutex_unlock(&mvm->mutex);
1632}
1633
1634static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
1635 struct ieee80211_sta *sta,
1636 bool set)
1637{
1638 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1639 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1640
1641 if (!mvm_sta || !mvm_sta->vif) {
1642 IWL_ERR(mvm, "Station is not associated to a vif\n");
1643 return -EINVAL;
1644 }
1645
1646 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
1647}
1648
507cadf2
DS		 1649#ifdef CONFIG_NL80211_TESTMODE
1650static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
1651 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
1652 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 1653 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 1654};
1655
1656static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
1657 struct ieee80211_vif *vif,
1658 void *data, int len)
1659{
1660 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
1661 int err;
1662 u32 noa_duration;
1663
1664 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
1665 if (err)
1666 return err;
1667
1668 if (!tb[IWL_MVM_TM_ATTR_CMD])
1669 return -EINVAL;
1670
1671 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
1672 case IWL_MVM_TM_CMD_SET_NOA:
1673 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
1674 !vif->bss_conf.enable_beacon ||
1675 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
1676 return -EINVAL;
1677
1678 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
1679 if (noa_duration >= vif->bss_conf.beacon_int)
1680 return -EINVAL;
1681
1682 mvm->noa_duration = noa_duration;
1683 mvm->noa_vif = vif;
1684
1685 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 1686 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
1687 /* must be associated client vif - ignore authorized */
1688 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
1689 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
1690 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
1691 return -EINVAL;
1692
1693 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
1694 return iwl_mvm_enable_beacon_filter(mvm, vif);
1695 return iwl_mvm_disable_beacon_filter(mvm, vif);
507cadf2
DS		 1696 }
1697
1698 return -EOPNOTSUPP;
1699}
1700
1701static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
1702 struct ieee80211_vif *vif,
1703 void *data, int len)
1704{
1705 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1706 int err;
1707
1708 mutex_lock(&mvm->mutex);
1709 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
1710 mutex_unlock(&mvm->mutex);
1711
1712 return err;
1713}
1714#endif
1715
8ca151b5
JB		 1716struct ieee80211_ops iwl_mvm_hw_ops = {
1717 .tx = iwl_mvm_mac_tx,
1718 .ampdu_action = iwl_mvm_mac_ampdu_action,
1719 .start = iwl_mvm_mac_start,
1720 .restart_complete = iwl_mvm_mac_restart_complete,
1721 .stop = iwl_mvm_mac_stop,
1722 .add_interface = iwl_mvm_mac_add_interface,
1723 .remove_interface = iwl_mvm_mac_remove_interface,
1724 .config = iwl_mvm_mac_config,
1725 .configure_filter = iwl_mvm_configure_filter,
1726 .bss_info_changed = iwl_mvm_bss_info_changed,
1727 .hw_scan = iwl_mvm_mac_hw_scan,
1728 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1729 .sta_state = iwl_mvm_mac_sta_state,
1730 .sta_notify = iwl_mvm_mac_sta_notify,
1731 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
1732 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1733 .conf_tx = iwl_mvm_mac_conf_tx,
1734 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
35a000b7
DS		 1735 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
1736 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 1737 .set_key = iwl_mvm_mac_set_key,
1738 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
1739 .remain_on_channel = iwl_mvm_roc,
1740 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 1741 .add_chanctx = iwl_mvm_add_chanctx,
1742 .remove_chanctx = iwl_mvm_remove_chanctx,
1743 .change_chanctx = iwl_mvm_change_chanctx,
1744 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
1745 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
1746
1747 .start_ap = iwl_mvm_start_ap,
1748 .stop_ap = iwl_mvm_stop_ap,
1749
1750 .set_tim = iwl_mvm_set_tim,
1751
507cadf2
DS		 1752 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
1753
8ca151b5
JB		 1754#ifdef CONFIG_PM_SLEEP
1755 /* look at d3.c */
1756 .suspend = iwl_mvm_suspend,
1757 .resume = iwl_mvm_resume,
1758 .set_wakeup = iwl_mvm_set_wakeup,
1759 .set_rekey_data = iwl_mvm_set_rekey_data,
1760#if IS_ENABLED(CONFIG_IPV6)
1761 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
1762#endif
1763 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
1764#endif
1765};
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