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iwlwifi: mvm: fix a few wd_disable comments
[mirror_ubuntu-bionic-kernel.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 - 2014 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 - 2014 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 <linux/if_arp.h>
70 #include <net/mac80211.h>
71 #include <net/ieee80211_radiotap.h>
72 #include <net/tcp.h>
73
74 #include "iwl-op-mode.h"
75 #include "iwl-io.h"
76 #include "mvm.h"
77 #include "sta.h"
78 #include "time-event.h"
79 #include "iwl-eeprom-parse.h"
80 #include "fw-api-scan.h"
81 #include "iwl-phy-db.h"
82 #include "testmode.h"
83
84 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
85 {
86 .max = 1,
87 .types = BIT(NL80211_IFTYPE_STATION),
88 },
89 {
90 .max = 1,
91 .types = BIT(NL80211_IFTYPE_AP) |
92 BIT(NL80211_IFTYPE_P2P_CLIENT) |
93 BIT(NL80211_IFTYPE_P2P_GO),
94 },
95 {
96 .max = 1,
97 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
98 },
99 };
100
101 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
102 {
103 .num_different_channels = 1,
104 .max_interfaces = 3,
105 .limits = iwl_mvm_limits,
106 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
107 },
108 };
109
110 #ifdef CONFIG_PM_SLEEP
111 static const struct nl80211_wowlan_tcp_data_token_feature
112 iwl_mvm_wowlan_tcp_token_feature = {
113 .min_len = 0,
114 .max_len = 255,
115 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
116 };
117
118 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
119 .tok = &iwl_mvm_wowlan_tcp_token_feature,
120 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
121 sizeof(struct ethhdr) -
122 sizeof(struct iphdr) -
123 sizeof(struct tcphdr),
124 .data_interval_max = 65535, /* __le16 in API */
125 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
126 sizeof(struct ethhdr) -
127 sizeof(struct iphdr) -
128 sizeof(struct tcphdr),
129 .seq = true,
130 };
131 #endif
132
133 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
134 /*
135 * Use the reserved field to indicate magic values.
136 * these values will only be used internally by the driver,
137 * and won't make it to the fw (reserved will be 0).
138 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
139 * be the vif's ip address. in case there is not a single
140 * ip address (0, or more than 1), this attribute will
141 * be skipped.
142 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
143 * the LSB bytes of the vif's mac address
144 */
145 enum {
146 BC_FILTER_MAGIC_NONE = 0,
147 BC_FILTER_MAGIC_IP,
148 BC_FILTER_MAGIC_MAC,
149 };
150
151 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
152 {
153 /* arp */
154 .discard = 0,
155 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
156 .attrs = {
157 {
158 /* frame type - arp, hw type - ethernet */
159 .offset_type =
160 BCAST_FILTER_OFFSET_PAYLOAD_START,
161 .offset = sizeof(rfc1042_header),
162 .val = cpu_to_be32(0x08060001),
163 .mask = cpu_to_be32(0xffffffff),
164 },
165 {
166 /* arp dest ip */
167 .offset_type =
168 BCAST_FILTER_OFFSET_PAYLOAD_START,
169 .offset = sizeof(rfc1042_header) + 2 +
170 sizeof(struct arphdr) +
171 ETH_ALEN + sizeof(__be32) +
172 ETH_ALEN,
173 .mask = cpu_to_be32(0xffffffff),
174 /* mark it as special field */
175 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
176 },
177 },
178 },
179 {
180 /* dhcp offer bcast */
181 .discard = 0,
182 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
183 .attrs = {
184 {
185 /* udp dest port - 68 (bootp client)*/
186 .offset_type = BCAST_FILTER_OFFSET_IP_END,
187 .offset = offsetof(struct udphdr, dest),
188 .val = cpu_to_be32(0x00440000),
189 .mask = cpu_to_be32(0xffff0000),
190 },
191 {
192 /* dhcp - lsb bytes of client hw address */
193 .offset_type = BCAST_FILTER_OFFSET_IP_END,
194 .offset = 38,
195 .mask = cpu_to_be32(0xffffffff),
196 /* mark it as special field */
197 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
198 },
199 },
200 },
201 /* last filter must be empty */
202 {},
203 };
204 #endif
205
206 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
207 {
208 if (!mvm->trans->cfg->d0i3)
209 return;
210
211 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
212 WARN_ON(test_and_set_bit(ref_type, mvm->ref_bitmap));
213 iwl_trans_ref(mvm->trans);
214 }
215
216 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
217 {
218 if (!mvm->trans->cfg->d0i3)
219 return;
220
221 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
222 WARN_ON(!test_and_clear_bit(ref_type, mvm->ref_bitmap));
223 iwl_trans_unref(mvm->trans);
224 }
225
226 static void
227 iwl_mvm_unref_all_except(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref)
228 {
229 int i;
230
231 if (!mvm->trans->cfg->d0i3)
232 return;
233
234 for_each_set_bit(i, mvm->ref_bitmap, IWL_MVM_REF_COUNT) {
235 if (ref == i)
236 continue;
237
238 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d\n", i);
239 clear_bit(i, mvm->ref_bitmap);
240 iwl_trans_unref(mvm->trans);
241 }
242 }
243
244 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
245 {
246 int i;
247
248 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
249 for (i = 0; i < NUM_PHY_CTX; i++) {
250 mvm->phy_ctxts[i].id = i;
251 mvm->phy_ctxts[i].ref = 0;
252 }
253 }
254
255 static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
256 {
257 /* we create the 802.11 header and SSID element */
258 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
259 return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
260 return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
261 }
262
263 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
264 {
265 struct ieee80211_hw *hw = mvm->hw;
266 int num_mac, ret, i;
267
268 /* Tell mac80211 our characteristics */
269 hw->flags = IEEE80211_HW_SIGNAL_DBM |
270 IEEE80211_HW_SPECTRUM_MGMT |
271 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
272 IEEE80211_HW_QUEUE_CONTROL |
273 IEEE80211_HW_WANT_MONITOR_VIF |
274 IEEE80211_HW_SUPPORTS_PS |
275 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
276 IEEE80211_HW_AMPDU_AGGREGATION |
277 IEEE80211_HW_TIMING_BEACON_ONLY |
278 IEEE80211_HW_CONNECTION_MONITOR |
279 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
280 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
281
282 hw->queues = mvm->first_agg_queue;
283 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
284 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
285 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
286 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
287 hw->rate_control_algorithm = "iwl-mvm-rs";
288
289 /*
290 * Enable 11w if advertised by firmware and software crypto
291 * is not enabled (as the firmware will interpret some mgmt
292 * packets, so enabling it with software crypto isn't safe)
293 */
294 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
295 !iwlwifi_mod_params.sw_crypto)
296 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
297
298 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) {
299 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
300 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
301 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
302 }
303
304 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
305 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
306 hw->chanctx_data_size = sizeof(u16);
307
308 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
309 BIT(NL80211_IFTYPE_P2P_CLIENT) |
310 BIT(NL80211_IFTYPE_AP) |
311 BIT(NL80211_IFTYPE_P2P_GO) |
312 BIT(NL80211_IFTYPE_P2P_DEVICE);
313
314 /* IBSS has bugs in older versions */
315 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 8)
316 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
317
318 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
319 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
320 REGULATORY_DISABLE_BEACON_HINTS;
321
322 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
323 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
324
325 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
326 hw->wiphy->n_iface_combinations =
327 ARRAY_SIZE(iwl_mvm_iface_combinations);
328
329 hw->wiphy->max_remain_on_channel_duration = 10000;
330 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
331
332 /* Extract MAC address */
333 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
334 hw->wiphy->addresses = mvm->addresses;
335 hw->wiphy->n_addresses = 1;
336
337 /* Extract additional MAC addresses if available */
338 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
339 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
340
341 for (i = 1; i < num_mac; i++) {
342 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
343 ETH_ALEN);
344 mvm->addresses[i].addr[5]++;
345 hw->wiphy->n_addresses++;
346 }
347
348 iwl_mvm_reset_phy_ctxts(mvm);
349
350 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
351
352 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
353
354 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
355 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
356 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
357 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
358 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
359 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
360
361 hw->wiphy->hw_version = mvm->trans->hw_id;
362
363 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
364 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
365 else
366 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
367
368 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
369 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
370 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
371 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
372 /* we create the 802.11 header and zero length SSID IE. */
373 hw->wiphy->max_sched_scan_ie_len =
374 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
375 }
376
377 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
378 NL80211_FEATURE_P2P_GO_OPPPS |
379 NL80211_FEATURE_LOW_PRIORITY_SCAN;
380
381 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
382
383 /* currently FW API supports only one optional cipher scheme */
384 if (mvm->fw->cs[0].cipher) {
385 mvm->hw->n_cipher_schemes = 1;
386 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
387 }
388
389 #ifdef CONFIG_PM_SLEEP
390 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
391 mvm->trans->ops->d3_suspend &&
392 mvm->trans->ops->d3_resume &&
393 device_can_wakeup(mvm->trans->dev)) {
394 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
395 WIPHY_WOWLAN_DISCONNECT |
396 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
397 WIPHY_WOWLAN_RFKILL_RELEASE;
398 if (!iwlwifi_mod_params.sw_crypto)
399 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
400 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
401 WIPHY_WOWLAN_4WAY_HANDSHAKE;
402
403 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
404 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
405 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
406 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
407 hw->wiphy->wowlan = &mvm->wowlan;
408 }
409 #endif
410
411 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
412 /* assign default bcast filtering configuration */
413 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
414 #endif
415
416 ret = iwl_mvm_leds_init(mvm);
417 if (ret)
418 return ret;
419
420 ret = ieee80211_register_hw(mvm->hw);
421 if (ret)
422 iwl_mvm_leds_exit(mvm);
423
424 return ret;
425 }
426
427 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
428 struct ieee80211_tx_control *control,
429 struct sk_buff *skb)
430 {
431 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
432 struct ieee80211_sta *sta = control->sta;
433 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
434 struct ieee80211_hdr *hdr = (void *)skb->data;
435
436 if (iwl_mvm_is_radio_killed(mvm)) {
437 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
438 goto drop;
439 }
440
441 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
442 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
443 goto drop;
444
445 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
446 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
447 ieee80211_is_mgmt(hdr->frame_control) &&
448 !ieee80211_is_deauth(hdr->frame_control) &&
449 !ieee80211_is_disassoc(hdr->frame_control) &&
450 !ieee80211_is_action(hdr->frame_control)))
451 sta = NULL;
452
453 if (sta) {
454 if (iwl_mvm_tx_skb(mvm, skb, sta))
455 goto drop;
456 return;
457 }
458
459 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
460 goto drop;
461 return;
462 drop:
463 ieee80211_free_txskb(hw, skb);
464 }
465
466 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
467 struct ieee80211_vif *vif,
468 enum ieee80211_ampdu_mlme_action action,
469 struct ieee80211_sta *sta, u16 tid,
470 u16 *ssn, u8 buf_size)
471 {
472 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
473 int ret;
474
475 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
476 sta->addr, tid, action);
477
478 if (!(mvm->nvm_data->sku_cap_11n_enable))
479 return -EACCES;
480
481 mutex_lock(&mvm->mutex);
482
483 switch (action) {
484 case IEEE80211_AMPDU_RX_START:
485 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) {
486 ret = -EINVAL;
487 break;
488 }
489 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
490 break;
491 case IEEE80211_AMPDU_RX_STOP:
492 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
493 break;
494 case IEEE80211_AMPDU_TX_START:
495 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
496 ret = -EINVAL;
497 break;
498 }
499 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
500 break;
501 case IEEE80211_AMPDU_TX_STOP_CONT:
502 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
503 break;
504 case IEEE80211_AMPDU_TX_STOP_FLUSH:
505 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
506 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
507 break;
508 case IEEE80211_AMPDU_TX_OPERATIONAL:
509 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
510 break;
511 default:
512 WARN_ON_ONCE(1);
513 ret = -EINVAL;
514 break;
515 }
516 mutex_unlock(&mvm->mutex);
517
518 return ret;
519 }
520
521 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
522 struct ieee80211_vif *vif)
523 {
524 struct iwl_mvm *mvm = data;
525 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
526
527 mvmvif->uploaded = false;
528 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
529
530 /* does this make sense at all? */
531 mvmvif->color++;
532
533 spin_lock_bh(&mvm->time_event_lock);
534 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
535 spin_unlock_bh(&mvm->time_event_lock);
536
537 mvmvif->phy_ctxt = NULL;
538 }
539
540 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
541 {
542 iwl_trans_stop_device(mvm->trans);
543
544 mvm->scan_status = IWL_MVM_SCAN_NONE;
545
546 /* just in case one was running */
547 ieee80211_remain_on_channel_expired(mvm->hw);
548
549 ieee80211_iterate_active_interfaces_atomic(
550 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
551 iwl_mvm_cleanup_iterator, mvm);
552
553 mvm->p2p_device_vif = NULL;
554 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
555
556 iwl_mvm_reset_phy_ctxts(mvm);
557 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
558 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
559
560 ieee80211_wake_queues(mvm->hw);
561
562 /* cleanup all stale references (scan, roc), but keep the
563 * ucode_down ref until reconfig is complete */
564 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
565
566 mvm->vif_count = 0;
567 mvm->rx_ba_sessions = 0;
568 }
569
570 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
571 {
572 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
573 int ret;
574
575 mutex_lock(&mvm->mutex);
576
577 /* Clean up some internal and mac80211 state on restart */
578 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
579 iwl_mvm_restart_cleanup(mvm);
580
581 ret = iwl_mvm_up(mvm);
582 mutex_unlock(&mvm->mutex);
583
584 return ret;
585 }
586
587 static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
588 {
589 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
590 int ret;
591
592 mutex_lock(&mvm->mutex);
593
594 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
595 ret = iwl_mvm_update_quotas(mvm, NULL);
596 if (ret)
597 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
598 ret);
599
600 /* allow transport/FW low power modes */
601 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
602
603 mutex_unlock(&mvm->mutex);
604 }
605
606 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
607 {
608 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
609
610 flush_work(&mvm->d0i3_exit_work);
611 flush_work(&mvm->async_handlers_wk);
612
613 mutex_lock(&mvm->mutex);
614
615 /* disallow low power states when the FW is down */
616 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
617
618 /* async_handlers_wk is now blocked */
619
620 /*
621 * The work item could be running or queued if the
622 * ROC time event stops just as we get here.
623 */
624 cancel_work_sync(&mvm->roc_done_wk);
625
626 iwl_trans_stop_device(mvm->trans);
627
628 iwl_mvm_async_handlers_purge(mvm);
629 /* async_handlers_list is empty and will stay empty: HW is stopped */
630
631 /* the fw is stopped, the aux sta is dead: clean up driver state */
632 iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
633
634 mutex_unlock(&mvm->mutex);
635
636 /*
637 * The worker might have been waiting for the mutex, let it run and
638 * discover that its list is now empty.
639 */
640 cancel_work_sync(&mvm->async_handlers_wk);
641 }
642
643 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
644 {
645 u16 i;
646
647 lockdep_assert_held(&mvm->mutex);
648
649 for (i = 0; i < NUM_PHY_CTX; i++)
650 if (!mvm->phy_ctxts[i].ref)
651 return &mvm->phy_ctxts[i];
652
653 IWL_ERR(mvm, "No available PHY context\n");
654 return NULL;
655 }
656
657 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
658 s8 tx_power)
659 {
660 /* FW is in charge of regulatory enforcement */
661 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
662 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
663 .pwr_restriction = cpu_to_le16(tx_power),
664 };
665
666 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
667 sizeof(reduce_txpwr_cmd),
668 &reduce_txpwr_cmd);
669 }
670
671 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
672 struct ieee80211_vif *vif)
673 {
674 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
675 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
676 int ret;
677
678 /*
679 * Not much to do here. The stack will not allow interface
680 * types or combinations that we didn't advertise, so we
681 * don't really have to check the types.
682 */
683
684 mutex_lock(&mvm->mutex);
685
686 /* Allocate resources for the MAC context, and add it to the fw */
687 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
688 if (ret)
689 goto out_unlock;
690
691 /* Counting number of interfaces is needed for legacy PM */
692 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
693 mvm->vif_count++;
694
695 /*
696 * The AP binding flow can be done only after the beacon
697 * template is configured (which happens only in the mac80211
698 * start_ap() flow), and adding the broadcast station can happen
699 * only after the binding.
700 * In addition, since modifying the MAC before adding a bcast
701 * station is not allowed by the FW, delay the adding of MAC context to
702 * the point where we can also add the bcast station.
703 * In short: there's not much we can do at this point, other than
704 * allocating resources :)
705 */
706 if (vif->type == NL80211_IFTYPE_AP ||
707 vif->type == NL80211_IFTYPE_ADHOC) {
708 u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
709 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
710 qmask,
711 ieee80211_vif_type_p2p(vif));
712 if (ret) {
713 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
714 goto out_release;
715 }
716
717 iwl_mvm_vif_dbgfs_register(mvm, vif);
718 goto out_unlock;
719 }
720
721 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
722 if (ret)
723 goto out_release;
724
725 ret = iwl_mvm_power_update_mac(mvm, vif);
726 if (ret)
727 goto out_release;
728
729 /* beacon filtering */
730 ret = iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
731 if (ret)
732 goto out_remove_mac;
733
734 if (!mvm->bf_allowed_vif &&
735 vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
736 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
737 mvm->bf_allowed_vif = mvmvif;
738 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
739 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
740 }
741
742 /*
743 * P2P_DEVICE interface does not have a channel context assigned to it,
744 * so a dedicated PHY context is allocated to it and the corresponding
745 * MAC context is bound to it at this stage.
746 */
747 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
748
749 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
750 if (!mvmvif->phy_ctxt) {
751 ret = -ENOSPC;
752 goto out_free_bf;
753 }
754
755 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
756 ret = iwl_mvm_binding_add_vif(mvm, vif);
757 if (ret)
758 goto out_unref_phy;
759
760 ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
761 if (ret)
762 goto out_unbind;
763
764 /* Save a pointer to p2p device vif, so it can later be used to
765 * update the p2p device MAC when a GO is started/stopped */
766 mvm->p2p_device_vif = vif;
767 }
768
769 iwl_mvm_vif_dbgfs_register(mvm, vif);
770 goto out_unlock;
771
772 out_unbind:
773 iwl_mvm_binding_remove_vif(mvm, vif);
774 out_unref_phy:
775 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
776 out_free_bf:
777 if (mvm->bf_allowed_vif == mvmvif) {
778 mvm->bf_allowed_vif = NULL;
779 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
780 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
781 }
782 out_remove_mac:
783 mvmvif->phy_ctxt = NULL;
784 iwl_mvm_mac_ctxt_remove(mvm, vif);
785 out_release:
786 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
787 mvm->vif_count--;
788
789 iwl_mvm_mac_ctxt_release(mvm, vif);
790 out_unlock:
791 mutex_unlock(&mvm->mutex);
792
793 return ret;
794 }
795
796 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
797 struct ieee80211_vif *vif)
798 {
799 u32 tfd_msk = 0, ac;
800
801 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
802 if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
803 tfd_msk |= BIT(vif->hw_queue[ac]);
804
805 if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
806 tfd_msk |= BIT(vif->cab_queue);
807
808 if (tfd_msk) {
809 mutex_lock(&mvm->mutex);
810 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
811 mutex_unlock(&mvm->mutex);
812 }
813
814 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
815 /*
816 * Flush the ROC worker which will flush the OFFCHANNEL queue.
817 * We assume here that all the packets sent to the OFFCHANNEL
818 * queue are sent in ROC session.
819 */
820 flush_work(&mvm->roc_done_wk);
821 } else {
822 /*
823 * By now, all the AC queues are empty. The AGG queues are
824 * empty too. We already got all the Tx responses for all the
825 * packets in the queues. The drain work can have been
826 * triggered. Flush it.
827 */
828 flush_work(&mvm->sta_drained_wk);
829 }
830 }
831
832 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
833 struct ieee80211_vif *vif)
834 {
835 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
836 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
837
838 iwl_mvm_prepare_mac_removal(mvm, vif);
839
840 mutex_lock(&mvm->mutex);
841
842 if (mvm->bf_allowed_vif == mvmvif) {
843 mvm->bf_allowed_vif = NULL;
844 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
845 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
846 }
847
848 iwl_mvm_vif_dbgfs_clean(mvm, vif);
849
850 /*
851 * For AP/GO interface, the tear down of the resources allocated to the
852 * interface is be handled as part of the stop_ap flow.
853 */
854 if (vif->type == NL80211_IFTYPE_AP ||
855 vif->type == NL80211_IFTYPE_ADHOC) {
856 #ifdef CONFIG_NL80211_TESTMODE
857 if (vif == mvm->noa_vif) {
858 mvm->noa_vif = NULL;
859 mvm->noa_duration = 0;
860 }
861 #endif
862 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
863 goto out_release;
864 }
865
866 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
867 mvm->p2p_device_vif = NULL;
868 iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
869 iwl_mvm_binding_remove_vif(mvm, vif);
870 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
871 mvmvif->phy_ctxt = NULL;
872 }
873
874 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
875 mvm->vif_count--;
876
877 iwl_mvm_power_update_mac(mvm, vif);
878 iwl_mvm_mac_ctxt_remove(mvm, vif);
879
880 out_release:
881 iwl_mvm_mac_ctxt_release(mvm, vif);
882 mutex_unlock(&mvm->mutex);
883 }
884
885 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
886 {
887 return 0;
888 }
889
890 struct iwl_mvm_mc_iter_data {
891 struct iwl_mvm *mvm;
892 int port_id;
893 };
894
895 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
896 struct ieee80211_vif *vif)
897 {
898 struct iwl_mvm_mc_iter_data *data = _data;
899 struct iwl_mvm *mvm = data->mvm;
900 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
901 int ret, len;
902
903 /* if we don't have free ports, mcast frames will be dropped */
904 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
905 return;
906
907 if (vif->type != NL80211_IFTYPE_STATION ||
908 !vif->bss_conf.assoc)
909 return;
910
911 cmd->port_id = data->port_id++;
912 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
913 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
914
915 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
916 if (ret)
917 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
918 }
919
920 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
921 {
922 struct iwl_mvm_mc_iter_data iter_data = {
923 .mvm = mvm,
924 };
925
926 lockdep_assert_held(&mvm->mutex);
927
928 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
929 return;
930
931 ieee80211_iterate_active_interfaces(
932 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
933 iwl_mvm_mc_iface_iterator, &iter_data);
934 }
935
936 static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
937 struct netdev_hw_addr_list *mc_list)
938 {
939 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
940 struct iwl_mcast_filter_cmd *cmd;
941 struct netdev_hw_addr *addr;
942 int addr_count = netdev_hw_addr_list_count(mc_list);
943 bool pass_all = false;
944 int len;
945
946 if (addr_count > MAX_MCAST_FILTERING_ADDRESSES) {
947 pass_all = true;
948 addr_count = 0;
949 }
950
951 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
952 cmd = kzalloc(len, GFP_ATOMIC);
953 if (!cmd)
954 return 0;
955
956 if (pass_all) {
957 cmd->pass_all = 1;
958 return (u64)(unsigned long)cmd;
959 }
960
961 netdev_hw_addr_list_for_each(addr, mc_list) {
962 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
963 cmd->count, addr->addr);
964 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
965 addr->addr, ETH_ALEN);
966 cmd->count++;
967 }
968
969 return (u64)(unsigned long)cmd;
970 }
971
972 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
973 unsigned int changed_flags,
974 unsigned int *total_flags,
975 u64 multicast)
976 {
977 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
978 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
979
980 mutex_lock(&mvm->mutex);
981
982 /* replace previous configuration */
983 kfree(mvm->mcast_filter_cmd);
984 mvm->mcast_filter_cmd = cmd;
985
986 if (!cmd)
987 goto out;
988
989 iwl_mvm_recalc_multicast(mvm);
990 out:
991 mutex_unlock(&mvm->mutex);
992 *total_flags = 0;
993 }
994
995 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
996 struct iwl_bcast_iter_data {
997 struct iwl_mvm *mvm;
998 struct iwl_bcast_filter_cmd *cmd;
999 u8 current_filter;
1000 };
1001
1002 static void
1003 iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1004 const struct iwl_fw_bcast_filter *in_filter,
1005 struct iwl_fw_bcast_filter *out_filter)
1006 {
1007 struct iwl_fw_bcast_filter_attr *attr;
1008 int i;
1009
1010 memcpy(out_filter, in_filter, sizeof(*out_filter));
1011
1012 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1013 attr = &out_filter->attrs[i];
1014
1015 if (!attr->mask)
1016 break;
1017
1018 switch (attr->reserved1) {
1019 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1020 if (vif->bss_conf.arp_addr_cnt != 1) {
1021 attr->mask = 0;
1022 continue;
1023 }
1024
1025 attr->val = vif->bss_conf.arp_addr_list[0];
1026 break;
1027 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1028 attr->val = *(__be32 *)&vif->addr[2];
1029 break;
1030 default:
1031 break;
1032 }
1033 attr->reserved1 = 0;
1034 out_filter->num_attrs++;
1035 }
1036 }
1037
1038 static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1039 struct ieee80211_vif *vif)
1040 {
1041 struct iwl_bcast_iter_data *data = _data;
1042 struct iwl_mvm *mvm = data->mvm;
1043 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1044 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1045 struct iwl_fw_bcast_mac *bcast_mac;
1046 int i;
1047
1048 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1049 return;
1050
1051 bcast_mac = &cmd->macs[mvmvif->id];
1052
1053 /* enable filtering only for associated stations */
1054 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc)
1055 return;
1056
1057 bcast_mac->default_discard = 1;
1058
1059 /* copy all configured filters */
1060 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1061 /*
1062 * Make sure we don't exceed our filters limit.
1063 * if there is still a valid filter to be configured,
1064 * be on the safe side and just allow bcast for this mac.
1065 */
1066 if (WARN_ON_ONCE(data->current_filter >=
1067 ARRAY_SIZE(cmd->filters))) {
1068 bcast_mac->default_discard = 0;
1069 bcast_mac->attached_filters = 0;
1070 break;
1071 }
1072
1073 iwl_mvm_set_bcast_filter(vif,
1074 &mvm->bcast_filters[i],
1075 &cmd->filters[data->current_filter]);
1076
1077 /* skip current filter if it contains no attributes */
1078 if (!cmd->filters[data->current_filter].num_attrs)
1079 continue;
1080
1081 /* attach the filter to current mac */
1082 bcast_mac->attached_filters |=
1083 cpu_to_le16(BIT(data->current_filter));
1084
1085 data->current_filter++;
1086 }
1087 }
1088
1089 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1090 struct iwl_bcast_filter_cmd *cmd)
1091 {
1092 struct iwl_bcast_iter_data iter_data = {
1093 .mvm = mvm,
1094 .cmd = cmd,
1095 };
1096
1097 memset(cmd, 0, sizeof(*cmd));
1098 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1099 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1100
1101 #ifdef CONFIG_IWLWIFI_DEBUGFS
1102 /* use debugfs filters/macs if override is configured */
1103 if (mvm->dbgfs_bcast_filtering.override) {
1104 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1105 sizeof(cmd->filters));
1106 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1107 sizeof(cmd->macs));
1108 return true;
1109 }
1110 #endif
1111
1112 /* if no filters are configured, do nothing */
1113 if (!mvm->bcast_filters)
1114 return false;
1115
1116 /* configure and attach these filters for each associated sta vif */
1117 ieee80211_iterate_active_interfaces(
1118 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1119 iwl_mvm_bcast_filter_iterator, &iter_data);
1120
1121 return true;
1122 }
1123 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1124 struct ieee80211_vif *vif)
1125 {
1126 struct iwl_bcast_filter_cmd cmd;
1127
1128 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1129 return 0;
1130
1131 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1132 return 0;
1133
1134 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, CMD_SYNC,
1135 sizeof(cmd), &cmd);
1136 }
1137 #else
1138 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1139 struct ieee80211_vif *vif)
1140 {
1141 return 0;
1142 }
1143 #endif
1144
1145 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1146 struct ieee80211_vif *vif,
1147 struct ieee80211_bss_conf *bss_conf,
1148 u32 changes)
1149 {
1150 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1151 int ret;
1152
1153 /*
1154 * Re-calculate the tsf id, as the master-slave relations depend on the
1155 * beacon interval, which was not known when the station interface was
1156 * added.
1157 */
1158 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1159 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1160
1161 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1162 if (ret)
1163 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1164
1165 if (changes & BSS_CHANGED_ASSOC) {
1166 if (bss_conf->assoc) {
1167 /* add quota for this interface */
1168 ret = iwl_mvm_update_quotas(mvm, vif);
1169 if (ret) {
1170 IWL_ERR(mvm, "failed to update quotas\n");
1171 return;
1172 }
1173
1174 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1175 &mvm->status)) {
1176 /*
1177 * If we're restarting then the firmware will
1178 * obviously have lost synchronisation with
1179 * the AP. It will attempt to synchronise by
1180 * itself, but we can make it more reliable by
1181 * scheduling a session protection time event.
1182 *
1183 * The firmware needs to receive a beacon to
1184 * catch up with synchronisation, use 110% of
1185 * the beacon interval.
1186 *
1187 * Set a large maximum delay to allow for more
1188 * than a single interface.
1189 */
1190 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1191 iwl_mvm_protect_session(mvm, vif, dur, dur,
1192 5 * dur);
1193 }
1194
1195 iwl_mvm_sf_update(mvm, vif, false);
1196 iwl_mvm_power_vif_assoc(mvm, vif);
1197 if (vif->p2p)
1198 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
1199 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1200 /*
1201 * If update fails - SF might be running in associated
1202 * mode while disassociated - which is forbidden.
1203 */
1204 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1205 "Failed to update SF upon disassociation\n");
1206
1207 /* remove AP station now that the MAC is unassoc */
1208 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1209 if (ret)
1210 IWL_ERR(mvm, "failed to remove AP station\n");
1211
1212 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1213 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1214 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1215 /* remove quota for this interface */
1216 ret = iwl_mvm_update_quotas(mvm, NULL);
1217 if (ret)
1218 IWL_ERR(mvm, "failed to update quotas\n");
1219
1220 if (vif->p2p)
1221 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
1222 }
1223
1224 iwl_mvm_recalc_multicast(mvm);
1225 iwl_mvm_configure_bcast_filter(mvm, vif);
1226
1227 /* reset rssi values */
1228 mvmvif->bf_data.ave_beacon_signal = 0;
1229
1230 iwl_mvm_bt_coex_vif_change(mvm);
1231 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1232 IEEE80211_SMPS_AUTOMATIC);
1233 } else if (changes & BSS_CHANGED_BEACON_INFO) {
1234 /*
1235 * We received a beacon _after_ association so
1236 * remove the session protection.
1237 */
1238 iwl_mvm_remove_time_event(mvm, mvmvif,
1239 &mvmvif->time_event_data);
1240 } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
1241 BSS_CHANGED_QOS)) {
1242 ret = iwl_mvm_power_update_mac(mvm, vif);
1243 if (ret)
1244 IWL_ERR(mvm, "failed to update power mode\n");
1245 }
1246 if (changes & BSS_CHANGED_TXPOWER) {
1247 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1248 bss_conf->txpower);
1249 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1250 }
1251
1252 if (changes & BSS_CHANGED_CQM) {
1253 IWL_DEBUG_MAC80211(mvm, "cqm info_changed");
1254 /* reset cqm events tracking */
1255 mvmvif->bf_data.last_cqm_event = 0;
1256 ret = iwl_mvm_update_beacon_filter(mvm, vif, false, CMD_SYNC);
1257 if (ret)
1258 IWL_ERR(mvm, "failed to update CQM thresholds\n");
1259 }
1260
1261 if (changes & BSS_CHANGED_ARP_FILTER) {
1262 IWL_DEBUG_MAC80211(mvm, "arp filter changed");
1263 iwl_mvm_configure_bcast_filter(mvm, vif);
1264 }
1265 }
1266
1267 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1268 struct ieee80211_vif *vif)
1269 {
1270 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1271 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1272 int ret;
1273
1274 mutex_lock(&mvm->mutex);
1275
1276 /* Send the beacon template */
1277 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1278 if (ret)
1279 goto out_unlock;
1280
1281 /*
1282 * Re-calculate the tsf id, as the master-slave relations depend on the
1283 * beacon interval, which was not known when the AP interface was added.
1284 */
1285 if (vif->type == NL80211_IFTYPE_AP)
1286 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1287
1288 /* Add the mac context */
1289 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1290 if (ret)
1291 goto out_unlock;
1292
1293 /* Perform the binding */
1294 ret = iwl_mvm_binding_add_vif(mvm, vif);
1295 if (ret)
1296 goto out_remove;
1297
1298 /* Send the bcast station. At this stage the TBTT and DTIM time events
1299 * are added and applied to the scheduler */
1300 ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
1301 if (ret)
1302 goto out_unbind;
1303
1304 /* must be set before quota calculations */
1305 mvmvif->ap_ibss_active = true;
1306
1307 /* power updated needs to be done before quotas */
1308 iwl_mvm_power_update_mac(mvm, vif);
1309
1310 ret = iwl_mvm_update_quotas(mvm, vif);
1311 if (ret)
1312 goto out_quota_failed;
1313
1314 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1315 if (vif->p2p && mvm->p2p_device_vif)
1316 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1317
1318 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1319
1320 iwl_mvm_bt_coex_vif_change(mvm);
1321
1322 mutex_unlock(&mvm->mutex);
1323 return 0;
1324
1325 out_quota_failed:
1326 iwl_mvm_power_update_mac(mvm, vif);
1327 mvmvif->ap_ibss_active = false;
1328 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1329 out_unbind:
1330 iwl_mvm_binding_remove_vif(mvm, vif);
1331 out_remove:
1332 iwl_mvm_mac_ctxt_remove(mvm, vif);
1333 out_unlock:
1334 mutex_unlock(&mvm->mutex);
1335 return ret;
1336 }
1337
1338 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1339 struct ieee80211_vif *vif)
1340 {
1341 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1342 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1343
1344 iwl_mvm_prepare_mac_removal(mvm, vif);
1345
1346 mutex_lock(&mvm->mutex);
1347
1348 mvmvif->ap_ibss_active = false;
1349
1350 iwl_mvm_bt_coex_vif_change(mvm);
1351
1352 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1353
1354 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1355 if (vif->p2p && mvm->p2p_device_vif)
1356 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1357
1358 iwl_mvm_update_quotas(mvm, NULL);
1359 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1360 iwl_mvm_binding_remove_vif(mvm, vif);
1361
1362 iwl_mvm_power_update_mac(mvm, vif);
1363
1364 iwl_mvm_mac_ctxt_remove(mvm, vif);
1365
1366 mutex_unlock(&mvm->mutex);
1367 }
1368
1369 static void
1370 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1371 struct ieee80211_vif *vif,
1372 struct ieee80211_bss_conf *bss_conf,
1373 u32 changes)
1374 {
1375 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1376
1377 /* Changes will be applied when the AP/IBSS is started */
1378 if (!mvmvif->ap_ibss_active)
1379 return;
1380
1381 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
1382 BSS_CHANGED_BANDWIDTH) &&
1383 iwl_mvm_mac_ctxt_changed(mvm, vif))
1384 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1385
1386 /* Need to send a new beacon template to the FW */
1387 if (changes & BSS_CHANGED_BEACON &&
1388 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1389 IWL_WARN(mvm, "Failed updating beacon data\n");
1390 }
1391
1392 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1393 struct ieee80211_vif *vif,
1394 struct ieee80211_bss_conf *bss_conf,
1395 u32 changes)
1396 {
1397 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1398
1399 mutex_lock(&mvm->mutex);
1400
1401 switch (vif->type) {
1402 case NL80211_IFTYPE_STATION:
1403 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1404 break;
1405 case NL80211_IFTYPE_AP:
1406 case NL80211_IFTYPE_ADHOC:
1407 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
1408 break;
1409 default:
1410 /* shouldn't happen */
1411 WARN_ON_ONCE(1);
1412 }
1413
1414 mutex_unlock(&mvm->mutex);
1415 }
1416
1417 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1418 struct ieee80211_vif *vif,
1419 struct cfg80211_scan_request *req)
1420 {
1421 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1422 struct iwl_notification_wait wait_scan_done;
1423 static const u8 scan_done_notif[] = { SCAN_OFFLOAD_COMPLETE, };
1424 int ret;
1425
1426 if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS)
1427 return -EINVAL;
1428
1429 mutex_lock(&mvm->mutex);
1430
1431 switch (mvm->scan_status) {
1432 case IWL_MVM_SCAN_SCHED:
1433 iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done,
1434 scan_done_notif,
1435 ARRAY_SIZE(scan_done_notif),
1436 NULL, NULL);
1437 iwl_mvm_sched_scan_stop(mvm);
1438 ret = iwl_wait_notification(&mvm->notif_wait,
1439 &wait_scan_done, HZ);
1440 if (ret) {
1441 ret = -EBUSY;
1442 goto out;
1443 }
1444 /* iwl_mvm_rx_scan_offload_complete_notif() will be called
1445 * soon but will not reset the scan status as it won't be
1446 * IWL_MVM_SCAN_SCHED any more since we queue the next scan
1447 * immediately (below)
1448 */
1449 break;
1450 case IWL_MVM_SCAN_NONE:
1451 break;
1452 default:
1453 ret = -EBUSY;
1454 goto out;
1455 }
1456
1457 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1458
1459 ret = iwl_mvm_scan_request(mvm, vif, req);
1460 if (ret)
1461 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1462 out:
1463 mutex_unlock(&mvm->mutex);
1464
1465 return ret;
1466 }
1467
1468 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1469 struct ieee80211_vif *vif)
1470 {
1471 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1472
1473 mutex_lock(&mvm->mutex);
1474
1475 iwl_mvm_cancel_scan(mvm);
1476
1477 mutex_unlock(&mvm->mutex);
1478 }
1479
1480 static void
1481 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
1482 struct ieee80211_sta *sta, u16 tids,
1483 int num_frames,
1484 enum ieee80211_frame_release_type reason,
1485 bool more_data)
1486 {
1487 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1488
1489 /* Called when we need to transmit (a) frame(s) from mac80211 */
1490
1491 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1492 tids, more_data, false);
1493 }
1494
1495 static void
1496 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1497 struct ieee80211_sta *sta, u16 tids,
1498 int num_frames,
1499 enum ieee80211_frame_release_type reason,
1500 bool more_data)
1501 {
1502 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1503
1504 /* Called when we need to transmit (a) frame(s) from agg queue */
1505
1506 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1507 tids, more_data, true);
1508 }
1509
1510 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1511 struct ieee80211_vif *vif,
1512 enum sta_notify_cmd cmd,
1513 struct ieee80211_sta *sta)
1514 {
1515 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1516 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1517 int tid;
1518
1519 switch (cmd) {
1520 case STA_NOTIFY_SLEEP:
1521 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
1522 ieee80211_sta_block_awake(hw, sta, true);
1523 spin_lock_bh(&mvmsta->lock);
1524 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1525 struct iwl_mvm_tid_data *tid_data;
1526
1527 tid_data = &mvmsta->tid_data[tid];
1528 if (tid_data->state != IWL_AGG_ON &&
1529 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1530 continue;
1531 if (iwl_mvm_tid_queued(tid_data) == 0)
1532 continue;
1533 ieee80211_sta_set_buffered(sta, tid, true);
1534 }
1535 spin_unlock_bh(&mvmsta->lock);
1536 /*
1537 * The fw updates the STA to be asleep. Tx packets on the Tx
1538 * queues to this station will not be transmitted. The fw will
1539 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1540 */
1541 break;
1542 case STA_NOTIFY_AWAKE:
1543 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
1544 break;
1545 iwl_mvm_sta_modify_ps_wake(mvm, sta);
1546 break;
1547 default:
1548 break;
1549 }
1550 }
1551
1552 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1553 struct ieee80211_vif *vif,
1554 struct ieee80211_sta *sta)
1555 {
1556 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1557 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1558
1559 /*
1560 * This is called before mac80211 does RCU synchronisation,
1561 * so here we already invalidate our internal RCU-protected
1562 * station pointer. The rest of the code will thus no longer
1563 * be able to find the station this way, and we don't rely
1564 * on further RCU synchronisation after the sta_state()
1565 * callback deleted the station.
1566 */
1567 mutex_lock(&mvm->mutex);
1568 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1569 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1570 ERR_PTR(-ENOENT));
1571 mutex_unlock(&mvm->mutex);
1572 }
1573
1574 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1575 struct ieee80211_vif *vif,
1576 struct ieee80211_sta *sta,
1577 enum ieee80211_sta_state old_state,
1578 enum ieee80211_sta_state new_state)
1579 {
1580 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1581 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1582 int ret;
1583
1584 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1585 sta->addr, old_state, new_state);
1586
1587 /* this would be a mac80211 bug ... but don't crash */
1588 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1589 return -EINVAL;
1590
1591 /* if a STA is being removed, reuse its ID */
1592 flush_work(&mvm->sta_drained_wk);
1593
1594 mutex_lock(&mvm->mutex);
1595 if (old_state == IEEE80211_STA_NOTEXIST &&
1596 new_state == IEEE80211_STA_NONE) {
1597 /*
1598 * Firmware bug - it'll crash if the beacon interval is less
1599 * than 16. We can't avoid connecting at all, so refuse the
1600 * station state change, this will cause mac80211 to abandon
1601 * attempts to connect to this AP, and eventually wpa_s will
1602 * blacklist the AP...
1603 */
1604 if (vif->type == NL80211_IFTYPE_STATION &&
1605 vif->bss_conf.beacon_int < 16) {
1606 IWL_ERR(mvm,
1607 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1608 sta->addr, vif->bss_conf.beacon_int);
1609 ret = -EINVAL;
1610 goto out_unlock;
1611 }
1612 ret = iwl_mvm_add_sta(mvm, vif, sta);
1613 } else if (old_state == IEEE80211_STA_NONE &&
1614 new_state == IEEE80211_STA_AUTH) {
1615 ret = 0;
1616 } else if (old_state == IEEE80211_STA_AUTH &&
1617 new_state == IEEE80211_STA_ASSOC) {
1618 ret = iwl_mvm_update_sta(mvm, vif, sta);
1619 if (ret == 0)
1620 iwl_mvm_rs_rate_init(mvm, sta,
1621 mvmvif->phy_ctxt->channel->band,
1622 true);
1623 } else if (old_state == IEEE80211_STA_ASSOC &&
1624 new_state == IEEE80211_STA_AUTHORIZED) {
1625 /* enable beacon filtering */
1626 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));
1627 ret = 0;
1628 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
1629 new_state == IEEE80211_STA_ASSOC) {
1630 /* disable beacon filtering */
1631 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC));
1632 ret = 0;
1633 } else if (old_state == IEEE80211_STA_ASSOC &&
1634 new_state == IEEE80211_STA_AUTH) {
1635 ret = 0;
1636 } else if (old_state == IEEE80211_STA_AUTH &&
1637 new_state == IEEE80211_STA_NONE) {
1638 ret = 0;
1639 } else if (old_state == IEEE80211_STA_NONE &&
1640 new_state == IEEE80211_STA_NOTEXIST) {
1641 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1642 } else {
1643 ret = -EIO;
1644 }
1645 out_unlock:
1646 mutex_unlock(&mvm->mutex);
1647
1648 return ret;
1649 }
1650
1651 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1652 {
1653 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1654
1655 mvm->rts_threshold = value;
1656
1657 return 0;
1658 }
1659
1660 static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
1661 struct ieee80211_vif *vif,
1662 struct ieee80211_sta *sta, u32 changed)
1663 {
1664 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1665
1666 if (vif->type == NL80211_IFTYPE_STATION &&
1667 changed & IEEE80211_RC_NSS_CHANGED)
1668 iwl_mvm_sf_update(mvm, vif, false);
1669 }
1670
1671 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
1672 struct ieee80211_vif *vif, u16 ac,
1673 const struct ieee80211_tx_queue_params *params)
1674 {
1675 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1676 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1677
1678 mvmvif->queue_params[ac] = *params;
1679
1680 /*
1681 * No need to update right away, we'll get BSS_CHANGED_QOS
1682 * The exception is P2P_DEVICE interface which needs immediate update.
1683 */
1684 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1685 int ret;
1686
1687 mutex_lock(&mvm->mutex);
1688 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1689 mutex_unlock(&mvm->mutex);
1690 return ret;
1691 }
1692 return 0;
1693 }
1694
1695 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
1696 struct ieee80211_vif *vif)
1697 {
1698 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1699 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
1700 200 + vif->bss_conf.beacon_int);
1701 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
1702 100 + vif->bss_conf.beacon_int);
1703
1704 if (WARN_ON_ONCE(vif->bss_conf.assoc))
1705 return;
1706
1707 mutex_lock(&mvm->mutex);
1708 /* Try really hard to protect the session and hear a beacon */
1709 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
1710 mutex_unlock(&mvm->mutex);
1711 }
1712
1713 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
1714 struct ieee80211_vif *vif,
1715 struct cfg80211_sched_scan_request *req,
1716 struct ieee80211_sched_scan_ies *ies)
1717 {
1718 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1719 int ret;
1720
1721 mutex_lock(&mvm->mutex);
1722
1723 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1724 IWL_DEBUG_SCAN(mvm,
1725 "SCHED SCAN request during internal scan - abort\n");
1726 ret = -EBUSY;
1727 goto out;
1728 }
1729
1730 mvm->scan_status = IWL_MVM_SCAN_SCHED;
1731
1732 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
1733 if (ret)
1734 goto err;
1735
1736 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
1737 if (ret)
1738 goto err;
1739
1740 ret = iwl_mvm_sched_scan_start(mvm, req);
1741 if (!ret)
1742 goto out;
1743 err:
1744 mvm->scan_status = IWL_MVM_SCAN_NONE;
1745 out:
1746 mutex_unlock(&mvm->mutex);
1747 return ret;
1748 }
1749
1750 static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
1751 struct ieee80211_vif *vif)
1752 {
1753 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1754
1755 mutex_lock(&mvm->mutex);
1756 iwl_mvm_sched_scan_stop(mvm);
1757 mutex_unlock(&mvm->mutex);
1758 }
1759
1760 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
1761 enum set_key_cmd cmd,
1762 struct ieee80211_vif *vif,
1763 struct ieee80211_sta *sta,
1764 struct ieee80211_key_conf *key)
1765 {
1766 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1767 int ret;
1768
1769 if (iwlwifi_mod_params.sw_crypto) {
1770 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
1771 return -EOPNOTSUPP;
1772 }
1773
1774 switch (key->cipher) {
1775 case WLAN_CIPHER_SUITE_TKIP:
1776 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1777 /* fall-through */
1778 case WLAN_CIPHER_SUITE_CCMP:
1779 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1780 break;
1781 case WLAN_CIPHER_SUITE_AES_CMAC:
1782 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
1783 break;
1784 case WLAN_CIPHER_SUITE_WEP40:
1785 case WLAN_CIPHER_SUITE_WEP104:
1786 /*
1787 * Support for TX only, at least for now, so accept
1788 * the key and do nothing else. Then mac80211 will
1789 * pass it for TX but we don't have to use it for RX.
1790 */
1791 return 0;
1792 default:
1793 /* currently FW supports only one optional cipher scheme */
1794 if (hw->n_cipher_schemes &&
1795 hw->cipher_schemes->cipher == key->cipher)
1796 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
1797 else
1798 return -EOPNOTSUPP;
1799 }
1800
1801 mutex_lock(&mvm->mutex);
1802
1803 switch (cmd) {
1804 case SET_KEY:
1805 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1806 vif->type == NL80211_IFTYPE_AP) && !sta) {
1807 /*
1808 * GTK on AP interface is a TX-only key, return 0;
1809 * on IBSS they're per-station and because we're lazy
1810 * we don't support them for RX, so do the same.
1811 */
1812 ret = 0;
1813 key->hw_key_idx = STA_KEY_IDX_INVALID;
1814 break;
1815 }
1816
1817 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
1818 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
1819 if (ret) {
1820 IWL_WARN(mvm, "set key failed\n");
1821 /*
1822 * can't add key for RX, but we don't need it
1823 * in the device for TX so still return 0
1824 */
1825 key->hw_key_idx = STA_KEY_IDX_INVALID;
1826 ret = 0;
1827 }
1828
1829 break;
1830 case DISABLE_KEY:
1831 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
1832 ret = 0;
1833 break;
1834 }
1835
1836 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
1837 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
1838 break;
1839 default:
1840 ret = -EINVAL;
1841 }
1842
1843 mutex_unlock(&mvm->mutex);
1844 return ret;
1845 }
1846
1847 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
1848 struct ieee80211_vif *vif,
1849 struct ieee80211_key_conf *keyconf,
1850 struct ieee80211_sta *sta,
1851 u32 iv32, u16 *phase1key)
1852 {
1853 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1854
1855 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
1856 return;
1857
1858 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
1859 }
1860
1861
1862 static int iwl_mvm_roc(struct ieee80211_hw *hw,
1863 struct ieee80211_vif *vif,
1864 struct ieee80211_channel *channel,
1865 int duration,
1866 enum ieee80211_roc_type type)
1867 {
1868 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1869 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1870 struct cfg80211_chan_def chandef;
1871 struct iwl_mvm_phy_ctxt *phy_ctxt;
1872 int ret, i;
1873
1874 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
1875 duration, type);
1876
1877 if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
1878 IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
1879 return -EINVAL;
1880 }
1881
1882 mutex_lock(&mvm->mutex);
1883
1884 for (i = 0; i < NUM_PHY_CTX; i++) {
1885 phy_ctxt = &mvm->phy_ctxts[i];
1886 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
1887 continue;
1888
1889 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
1890 /*
1891 * Unbind the P2P_DEVICE from the current PHY context,
1892 * and if the PHY context is not used remove it.
1893 */
1894 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1895 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1896 goto out_unlock;
1897
1898 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1899
1900 /* Bind the P2P_DEVICE to the current PHY Context */
1901 mvmvif->phy_ctxt = phy_ctxt;
1902
1903 ret = iwl_mvm_binding_add_vif(mvm, vif);
1904 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1905 goto out_unlock;
1906
1907 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1908 goto schedule_time_event;
1909 }
1910 }
1911
1912 /* Need to update the PHY context only if the ROC channel changed */
1913 if (channel == mvmvif->phy_ctxt->channel)
1914 goto schedule_time_event;
1915
1916 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
1917
1918 /*
1919 * Change the PHY context configuration as it is currently referenced
1920 * only by the P2P Device MAC
1921 */
1922 if (mvmvif->phy_ctxt->ref == 1) {
1923 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
1924 &chandef, 1, 1);
1925 if (ret)
1926 goto out_unlock;
1927 } else {
1928 /*
1929 * The PHY context is shared with other MACs. Need to remove the
1930 * P2P Device from the binding, allocate an new PHY context and
1931 * create a new binding
1932 */
1933 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1934 if (!phy_ctxt) {
1935 ret = -ENOSPC;
1936 goto out_unlock;
1937 }
1938
1939 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1940 1, 1);
1941 if (ret) {
1942 IWL_ERR(mvm, "Failed to change PHY context\n");
1943 goto out_unlock;
1944 }
1945
1946 /* Unbind the P2P_DEVICE from the current PHY context */
1947 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1948 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1949 goto out_unlock;
1950
1951 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1952
1953 /* Bind the P2P_DEVICE to the new allocated PHY context */
1954 mvmvif->phy_ctxt = phy_ctxt;
1955
1956 ret = iwl_mvm_binding_add_vif(mvm, vif);
1957 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1958 goto out_unlock;
1959
1960 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1961 }
1962
1963 schedule_time_event:
1964 /* Schedule the time events */
1965 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
1966
1967 out_unlock:
1968 mutex_unlock(&mvm->mutex);
1969 IWL_DEBUG_MAC80211(mvm, "leave\n");
1970 return ret;
1971 }
1972
1973 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
1974 {
1975 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1976
1977 IWL_DEBUG_MAC80211(mvm, "enter\n");
1978
1979 mutex_lock(&mvm->mutex);
1980 iwl_mvm_stop_p2p_roc(mvm);
1981 mutex_unlock(&mvm->mutex);
1982
1983 IWL_DEBUG_MAC80211(mvm, "leave\n");
1984 return 0;
1985 }
1986
1987 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
1988 struct ieee80211_chanctx_conf *ctx)
1989 {
1990 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1991 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1992 struct iwl_mvm_phy_ctxt *phy_ctxt;
1993 int ret;
1994
1995 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
1996
1997 mutex_lock(&mvm->mutex);
1998 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1999 if (!phy_ctxt) {
2000 ret = -ENOSPC;
2001 goto out;
2002 }
2003
2004 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2005 ctx->rx_chains_static,
2006 ctx->rx_chains_dynamic);
2007 if (ret) {
2008 IWL_ERR(mvm, "Failed to add PHY context\n");
2009 goto out;
2010 }
2011
2012 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
2013 *phy_ctxt_id = phy_ctxt->id;
2014 out:
2015 mutex_unlock(&mvm->mutex);
2016 return ret;
2017 }
2018
2019 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2020 struct ieee80211_chanctx_conf *ctx)
2021 {
2022 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2023 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2024 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2025
2026 mutex_lock(&mvm->mutex);
2027 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2028 mutex_unlock(&mvm->mutex);
2029 }
2030
2031 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2032 struct ieee80211_chanctx_conf *ctx,
2033 u32 changed)
2034 {
2035 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2036 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2037 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2038
2039 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2040 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2041 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2042 IEEE80211_CHANCTX_CHANGE_RADAR |
2043 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
2044 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2045 phy_ctxt->ref, changed))
2046 return;
2047
2048 mutex_lock(&mvm->mutex);
2049 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2050 ctx->rx_chains_static,
2051 ctx->rx_chains_dynamic);
2052 iwl_mvm_bt_coex_vif_change(mvm);
2053 mutex_unlock(&mvm->mutex);
2054 }
2055
2056 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2057 struct ieee80211_vif *vif,
2058 struct ieee80211_chanctx_conf *ctx)
2059 {
2060 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2061 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2062 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2063 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2064 int ret;
2065
2066 mutex_lock(&mvm->mutex);
2067
2068 mvmvif->phy_ctxt = phy_ctxt;
2069
2070 switch (vif->type) {
2071 case NL80211_IFTYPE_AP:
2072 case NL80211_IFTYPE_ADHOC:
2073 /*
2074 * The AP binding flow is handled as part of the start_ap flow
2075 * (in bss_info_changed), similarly for IBSS.
2076 */
2077 ret = 0;
2078 goto out_unlock;
2079 case NL80211_IFTYPE_STATION:
2080 case NL80211_IFTYPE_MONITOR:
2081 break;
2082 default:
2083 ret = -EINVAL;
2084 goto out_unlock;
2085 }
2086
2087 ret = iwl_mvm_binding_add_vif(mvm, vif);
2088 if (ret)
2089 goto out_unlock;
2090
2091 /*
2092 * Power state must be updated before quotas,
2093 * otherwise fw will complain.
2094 */
2095 iwl_mvm_power_update_mac(mvm, vif);
2096
2097 /* Setting the quota at this stage is only required for monitor
2098 * interfaces. For the other types, the bss_info changed flow
2099 * will handle quota settings.
2100 */
2101 if (vif->type == NL80211_IFTYPE_MONITOR) {
2102 mvmvif->monitor_active = true;
2103 ret = iwl_mvm_update_quotas(mvm, vif);
2104 if (ret)
2105 goto out_remove_binding;
2106 }
2107
2108 goto out_unlock;
2109
2110 out_remove_binding:
2111 iwl_mvm_binding_remove_vif(mvm, vif);
2112 iwl_mvm_power_update_mac(mvm, vif);
2113 out_unlock:
2114 mutex_unlock(&mvm->mutex);
2115 if (ret)
2116 mvmvif->phy_ctxt = NULL;
2117 return ret;
2118 }
2119
2120 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2121 struct ieee80211_vif *vif,
2122 struct ieee80211_chanctx_conf *ctx)
2123 {
2124 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2125 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2126
2127 mutex_lock(&mvm->mutex);
2128
2129 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2130
2131 switch (vif->type) {
2132 case NL80211_IFTYPE_AP:
2133 case NL80211_IFTYPE_ADHOC:
2134 goto out_unlock;
2135 case NL80211_IFTYPE_MONITOR:
2136 mvmvif->monitor_active = false;
2137 iwl_mvm_update_quotas(mvm, NULL);
2138 break;
2139 default:
2140 break;
2141 }
2142
2143 iwl_mvm_binding_remove_vif(mvm, vif);
2144 iwl_mvm_power_update_mac(mvm, vif);
2145
2146 out_unlock:
2147 mvmvif->phy_ctxt = NULL;
2148 mutex_unlock(&mvm->mutex);
2149 }
2150
2151 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2152 struct ieee80211_sta *sta,
2153 bool set)
2154 {
2155 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2156 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2157
2158 if (!mvm_sta || !mvm_sta->vif) {
2159 IWL_ERR(mvm, "Station is not associated to a vif\n");
2160 return -EINVAL;
2161 }
2162
2163 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2164 }
2165
2166 #ifdef CONFIG_NL80211_TESTMODE
2167 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2168 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2169 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
2170 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
2171 };
2172
2173 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2174 struct ieee80211_vif *vif,
2175 void *data, int len)
2176 {
2177 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2178 int err;
2179 u32 noa_duration;
2180
2181 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2182 if (err)
2183 return err;
2184
2185 if (!tb[IWL_MVM_TM_ATTR_CMD])
2186 return -EINVAL;
2187
2188 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2189 case IWL_MVM_TM_CMD_SET_NOA:
2190 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2191 !vif->bss_conf.enable_beacon ||
2192 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2193 return -EINVAL;
2194
2195 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2196 if (noa_duration >= vif->bss_conf.beacon_int)
2197 return -EINVAL;
2198
2199 mvm->noa_duration = noa_duration;
2200 mvm->noa_vif = vif;
2201
2202 return iwl_mvm_update_quotas(mvm, NULL);
2203 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2204 /* must be associated client vif - ignore authorized */
2205 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2206 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2207 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2208 return -EINVAL;
2209
2210 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
2211 return iwl_mvm_enable_beacon_filter(mvm, vif,
2212 CMD_SYNC);
2213 return iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
2214 }
2215
2216 return -EOPNOTSUPP;
2217 }
2218
2219 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
2220 struct ieee80211_vif *vif,
2221 void *data, int len)
2222 {
2223 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2224 int err;
2225
2226 mutex_lock(&mvm->mutex);
2227 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
2228 mutex_unlock(&mvm->mutex);
2229
2230 return err;
2231 }
2232 #endif
2233
2234 const struct ieee80211_ops iwl_mvm_hw_ops = {
2235 .tx = iwl_mvm_mac_tx,
2236 .ampdu_action = iwl_mvm_mac_ampdu_action,
2237 .start = iwl_mvm_mac_start,
2238 .restart_complete = iwl_mvm_mac_restart_complete,
2239 .stop = iwl_mvm_mac_stop,
2240 .add_interface = iwl_mvm_mac_add_interface,
2241 .remove_interface = iwl_mvm_mac_remove_interface,
2242 .config = iwl_mvm_mac_config,
2243 .prepare_multicast = iwl_mvm_prepare_multicast,
2244 .configure_filter = iwl_mvm_configure_filter,
2245 .bss_info_changed = iwl_mvm_bss_info_changed,
2246 .hw_scan = iwl_mvm_mac_hw_scan,
2247 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
2248 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
2249 .sta_state = iwl_mvm_mac_sta_state,
2250 .sta_notify = iwl_mvm_mac_sta_notify,
2251 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
2252 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
2253 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
2254 .sta_rc_update = iwl_mvm_sta_rc_update,
2255 .conf_tx = iwl_mvm_mac_conf_tx,
2256 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
2257 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
2258 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
2259 .set_key = iwl_mvm_mac_set_key,
2260 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
2261 .remain_on_channel = iwl_mvm_roc,
2262 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
2263 .add_chanctx = iwl_mvm_add_chanctx,
2264 .remove_chanctx = iwl_mvm_remove_chanctx,
2265 .change_chanctx = iwl_mvm_change_chanctx,
2266 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
2267 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
2268
2269 .start_ap = iwl_mvm_start_ap_ibss,
2270 .stop_ap = iwl_mvm_stop_ap_ibss,
2271 .join_ibss = iwl_mvm_start_ap_ibss,
2272 .leave_ibss = iwl_mvm_stop_ap_ibss,
2273
2274 .set_tim = iwl_mvm_set_tim,
2275
2276 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
2277
2278 #ifdef CONFIG_PM_SLEEP
2279 /* look at d3.c */
2280 .suspend = iwl_mvm_suspend,
2281 .resume = iwl_mvm_resume,
2282 .set_wakeup = iwl_mvm_set_wakeup,
2283 .set_rekey_data = iwl_mvm_set_rekey_data,
2284 #if IS_ENABLED(CONFIG_IPV6)
2285 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
2286 #endif
2287 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
2288 #endif
2289 };
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