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iwlwifi: mvm: Announce Quiet Period support
[linux-block.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
CommitLineData
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 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
410dc5aa 26 * in the file called COPYING.
8ca151b5
JB		 27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
51368bf7 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65#include <linux/kernel.h>
66#include <linux/slab.h>
67#include <linux/skbuff.h>
68#include <linux/netdevice.h>
69#include <linux/etherdevice.h>
f0c2646a 70#include <linux/ip.h>
2ee8f021 71#include <linux/if_arp.h>
8ca151b5 72#include <net/mac80211.h>
7b1dd048 73#include <net/ieee80211_radiotap.h>
f0c2646a 74#include <net/tcp.h>
8ca151b5
JB		 75
76#include "iwl-op-mode.h"
77#include "iwl-io.h"
78#include "mvm.h"
79#include "sta.h"
80#include "time-event.h"
81#include "iwl-eeprom-parse.h"
82#include "fw-api-scan.h"
83#include "iwl-phy-db.h"
507cadf2 84#include "testmode.h"
655e6d6d
EG		 85#include "iwl-fw-error-dump.h"
86#include "iwl-prph.h"
8ca151b5
JB		 87
88static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
89 {
90 .max = 1,
8eb38710 91 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 92 },
3c15a0fb
JB		 93 {
94 .max = 1,
8eb38710
IP		 95 .types = BIT(NL80211_IFTYPE_AP) |
96 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 97 BIT(NL80211_IFTYPE_P2P_GO),
98 },
99 {
100 .max = 1,
101 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
102 },
8ca151b5
JB		 103};
104
105static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
106 {
107 .num_different_channels = 1,
108 .max_interfaces = 3,
109 .limits = iwl_mvm_limits,
110 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
111 },
112};
113
f0c2646a
JB		 114#ifdef CONFIG_PM_SLEEP
115static const struct nl80211_wowlan_tcp_data_token_feature
116iwl_mvm_wowlan_tcp_token_feature = {
117 .min_len = 0,
118 .max_len = 255,
119 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
120};
121
122static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
123 .tok = &iwl_mvm_wowlan_tcp_token_feature,
124 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
125 sizeof(struct ethhdr) -
126 sizeof(struct iphdr) -
127 sizeof(struct tcphdr),
128 .data_interval_max = 65535, /* __le16 in API */
129 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
130 sizeof(struct ethhdr) -
131 sizeof(struct iphdr) -
132 sizeof(struct tcphdr),
133 .seq = true,
134};
135#endif
136
77736923 137#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 138/*
139 * Use the reserved field to indicate magic values.
140 * these values will only be used internally by the driver,
141 * and won't make it to the fw (reserved will be 0).
142 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
143 * be the vif's ip address. in case there is not a single
144 * ip address (0, or more than 1), this attribute will
145 * be skipped.
146 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
147 * the LSB bytes of the vif's mac address
148 */
149enum {
150 BC_FILTER_MAGIC_NONE = 0,
151 BC_FILTER_MAGIC_IP,
152 BC_FILTER_MAGIC_MAC,
153};
154
77736923
EP		 155static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
156 {
157 /* arp */
158 .discard = 0,
159 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
160 .attrs = {
161 {
162 /* frame type - arp, hw type - ethernet */
163 .offset_type =
164 BCAST_FILTER_OFFSET_PAYLOAD_START,
165 .offset = sizeof(rfc1042_header),
166 .val = cpu_to_be32(0x08060001),
167 .mask = cpu_to_be32(0xffffffff),
168 },
2ee8f021
EP		 169 {
170 /* arp dest ip */
171 .offset_type =
172 BCAST_FILTER_OFFSET_PAYLOAD_START,
173 .offset = sizeof(rfc1042_header) + 2 +
174 sizeof(struct arphdr) +
175 ETH_ALEN + sizeof(__be32) +
176 ETH_ALEN,
177 .mask = cpu_to_be32(0xffffffff),
178 /* mark it as special field */
179 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
180 },
181 },
182 },
183 {
184 /* dhcp offer bcast */
185 .discard = 0,
186 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
187 .attrs = {
188 {
189 /* udp dest port - 68 (bootp client)*/
190 .offset_type = BCAST_FILTER_OFFSET_IP_END,
191 .offset = offsetof(struct udphdr, dest),
192 .val = cpu_to_be32(0x00440000),
193 .mask = cpu_to_be32(0xffff0000),
194 },
195 {
196 /* dhcp - lsb bytes of client hw address */
197 .offset_type = BCAST_FILTER_OFFSET_IP_END,
198 .offset = 38,
199 .mask = cpu_to_be32(0xffffffff),
200 /* mark it as special field */
201 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
202 },
77736923
EP		 203 },
204 },
205 /* last filter must be empty */
206 {},
207};
208#endif
209
7498cf4c
EP		 210void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
211{
7bb426ea 212 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 213 return;
214
215 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 216 spin_lock_bh(&mvm->refs_lock);
217 mvm->refs[ref_type]++;
218 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 219 iwl_trans_ref(mvm->trans);
220}
221
222void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
223{
7bb426ea 224 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 225 return;
226
227 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 228 spin_lock_bh(&mvm->refs_lock);
229 WARN_ON(!mvm->refs[ref_type]--);
230 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 231 iwl_trans_unref(mvm->trans);
232}
233
576eeee9
EP		 234static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
235 enum iwl_mvm_ref_type except_ref)
7498cf4c 236{
576eeee9 237 int i, j;
7498cf4c 238
7bb426ea 239 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 240 return;
241
576eeee9
EP		 242 spin_lock_bh(&mvm->refs_lock);
243 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
244 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 245 continue;
246
576eeee9
EP		 247 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
248 i, mvm->refs[i]);
249 for (j = 0; j < mvm->refs[i]; j++)
250 iwl_trans_unref(mvm->trans);
251 mvm->refs[i] = 0;
7498cf4c 252 }
576eeee9 253 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 254}
255
576eeee9 256int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 257{
258 iwl_mvm_ref(mvm, ref_type);
259
260 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
261 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
262 HZ)) {
263 WARN_ON_ONCE(1);
264 iwl_mvm_unref(mvm, ref_type);
265 return -EIO;
266 }
267
268 return 0;
269}
270
fe0f2de3
IP		 271static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
272{
273 int i;
274
275 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
276 for (i = 0; i < NUM_PHY_CTX; i++) {
277 mvm->phy_ctxts[i].id = i;
278 mvm->phy_ctxts[i].ref = 0;
279 }
280}
281
20f1a5de
DS		 282static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
283{
284 /* we create the 802.11 header and SSID element */
285 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
286 return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
287 return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
288}
289
8ca151b5
JB		 290int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
291{
292 struct ieee80211_hw *hw = mvm->hw;
831e85f3 293 int num_mac, ret, i;
8ca151b5
JB		 294
295 /* Tell mac80211 our characteristics */
296 hw->flags = IEEE80211_HW_SIGNAL_DBM |
297 IEEE80211_HW_SPECTRUM_MGMT |
298 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
299 IEEE80211_HW_QUEUE_CONTROL |
300 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 301 IEEE80211_HW_SUPPORTS_PS |
302 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 303 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 304 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be 305 IEEE80211_HW_CONNECTION_MONITOR |
b71d9c8a
IY		 306 IEEE80211_HW_CHANCTX_STA_CSA |
307 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
8ca151b5 308
19e737c9 309 hw->queues = mvm->first_agg_queue;
398e8c6c 310 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 311 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
312 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
313 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
8ca151b5
JB		 314 hw->rate_control_algorithm = "iwl-mvm-rs";
315
316 /*
317 * Enable 11w if advertised by firmware and software crypto
318 * is not enabled (as the firmware will interpret some mgmt
319 * packets, so enabling it with software crypto isn't safe)
320 */
321 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
322 !iwlwifi_mod_params.sw_crypto)
323 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
324
1504f48d
MC		 325 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
326 IWL_UCODE_API(mvm->fw->ucode_ver) >= 9 &&
327 !iwlwifi_mod_params.uapsd_disable) {
328 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
4cb832d5 329 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
1504f48d
MC		 330 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
331 }
e8e626ad 332
fb98be5e
DS		 333 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
334 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
335
8ca151b5
JB		 336 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
337 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 338 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 339
340 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 341 BIT(NL80211_IFTYPE_P2P_CLIENT) |
342 BIT(NL80211_IFTYPE_AP) |
343 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 344 BIT(NL80211_IFTYPE_P2P_DEVICE) |
345 BIT(NL80211_IFTYPE_ADHOC);
5023d966 346
a2f73b6c
LR		 347 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
348 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
349 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 350
3e56eadf
JB		 351 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
352 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
353
bd3398e2
AO		 354 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_CSA_FLOW)
355 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
356
8ca151b5
JB		 357 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
358 hw->wiphy->n_iface_combinations =
359 ARRAY_SIZE(iwl_mvm_iface_combinations);
360
c451e6d4 361 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 362 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
363
364 /* Extract MAC address */
365 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
366 hw->wiphy->addresses = mvm->addresses;
367 hw->wiphy->n_addresses = 1;
831e85f3
IP		 368
369 /* Extract additional MAC addresses if available */
370 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
371 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
372
373 for (i = 1; i < num_mac; i++) {
374 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 375 ETH_ALEN);
831e85f3 376 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 377 hw->wiphy->n_addresses++;
378 }
379
fe0f2de3
IP		 380 iwl_mvm_reset_phy_ctxts(mvm);
381
20f1a5de
DS		 382 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
383
8ca151b5
JB		 384 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
385
386 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
387 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
388 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
389 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
390 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
391 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
392
393 hw->wiphy->hw_version = mvm->trans->hw_id;
394
ade50652 395 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 396 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
397 else
398 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
399
6efaaf33
EG		 400 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
401 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
402 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
403 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
404 /* we create the 802.11 header and zero length SSID IE. */
405 hw->wiphy->max_sched_scan_ie_len =
406 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
407 }
35a000b7 408
8ca151b5 409 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 410 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 411 NL80211_FEATURE_P2P_GO_OPPPS |
412 NL80211_FEATURE_DYNAMIC_SMPS |
413 NL80211_FEATURE_STATIC_SMPS;
8ca151b5 414
f1daa00e
AO		 415 if (mvm->fw->ucode_capa.capa[0] &
416 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
417 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
226bcd48
AK		 418 if (mvm->fw->ucode_capa.capa[0] &
419 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
420 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 421
8ca151b5
JB		 422 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
423
e36e5433 424 /* currently FW API supports only one optional cipher scheme */
9ddca860 425 if (mvm->fw->cs[0].cipher) {
e36e5433 426 mvm->hw->n_cipher_schemes = 1;
9ddca860 427 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 428 }
429
8ca151b5 430#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 431 if (iwl_mvm_is_d0i3_supported(mvm) &&
432 device_can_wakeup(mvm->trans->dev)) {
433 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
434 hw->wiphy->wowlan = &mvm->wowlan;
435 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 436 mvm->trans->ops->d3_suspend &&
437 mvm->trans->ops->d3_resume &&
438 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 439 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
440 WIPHY_WOWLAN_DISCONNECT |
441 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
442 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 443 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 444 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
445 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
446 WIPHY_WOWLAN_4WAY_HANDSHAKE;
447
448 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
449 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
450 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
451 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
452 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 453 }
454#endif
455
77736923
EP		 456#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
457 /* assign default bcast filtering configuration */
458 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
459#endif
460
8ca151b5
JB		 461 ret = iwl_mvm_leds_init(mvm);
462 if (ret)
463 return ret;
464
b7327d89
EG		 465 ret = ieee80211_register_hw(mvm->hw);
466 if (ret)
467 iwl_mvm_leds_exit(mvm);
468
469 return ret;
8ca151b5
JB		 470}
471
b2492501
AN		 472static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
473 struct ieee80211_sta *sta,
474 struct sk_buff *skb)
475{
476 struct iwl_mvm_sta *mvmsta;
477 bool defer = false;
478
479 /*
480 * double check the IN_D0I3 flag both before and after
481 * taking the spinlock, in order to prevent taking
482 * the spinlock when not needed.
483 */
484 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
485 return false;
486
487 spin_lock(&mvm->d0i3_tx_lock);
488 /*
489 * testing the flag again ensures the skb dequeue
490 * loop (on d0i3 exit) hasn't run yet.
491 */
492 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
493 goto out;
494
495 mvmsta = iwl_mvm_sta_from_mac80211(sta);
496 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
497 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
498 goto out;
499
500 __skb_queue_tail(&mvm->d0i3_tx, skb);
501 ieee80211_stop_queues(mvm->hw);
502
503 /* trigger wakeup */
504 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
505 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
506
507 defer = true;
508out:
509 spin_unlock(&mvm->d0i3_tx_lock);
510 return defer;
511}
512
8ca151b5
JB		 513static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
514 struct ieee80211_tx_control *control,
515 struct sk_buff *skb)
516{
517 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 518 struct ieee80211_sta *sta = control->sta;
519 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
520 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 521
9ee718aa
EL		 522 if (iwl_mvm_is_radio_killed(mvm)) {
523 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 524 goto drop;
525 }
526
398e8c6c 527 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 528 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
529 goto drop;
530
3e56eadf
JB		 531 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
532 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
533 ieee80211_is_mgmt(hdr->frame_control) &&
534 !ieee80211_is_deauth(hdr->frame_control) &&
535 !ieee80211_is_disassoc(hdr->frame_control) &&
536 !ieee80211_is_action(hdr->frame_control)))
537 sta = NULL;
538
539 if (sta) {
b2492501
AN		 540 if (iwl_mvm_defer_tx(mvm, sta, skb))
541 return;
3e56eadf 542 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 543 goto drop;
544 return;
545 }
546
547 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
548 goto drop;
549 return;
550 drop:
551 ieee80211_free_txskb(hw, skb);
552}
553
205e2210
EG		 554static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
555{
556 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
557 return false;
558 return true;
559}
560
561static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
562{
563 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
564 return false;
565 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
566 return true;
567
568 /* enabled by default */
569 return true;
570}
571
8ca151b5
JB		 572static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
573 struct ieee80211_vif *vif,
574 enum ieee80211_ampdu_mlme_action action,
575 struct ieee80211_sta *sta, u16 tid,
576 u16 *ssn, u8 buf_size)
577{
578 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
579 int ret;
b2492501 580 bool tx_agg_ref = false;
8ca151b5
JB		 581
582 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
583 sta->addr, tid, action);
584
585 if (!(mvm->nvm_data->sku_cap_11n_enable))
586 return -EACCES;
587
b2492501 588 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 589 switch (action) {
590 case IEEE80211_AMPDU_TX_START:
591 case IEEE80211_AMPDU_TX_STOP_CONT:
592 case IEEE80211_AMPDU_TX_STOP_FLUSH:
593 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
594 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 595 /*
9256c205
EP		 596 * for tx start, wait synchronously until D0i3 exit to
597 * get the correct sequence number for the tid.
598 * additionally, some other ampdu actions use direct
599 * target access, which is not handled automatically
600 * by the trans layer (unlike commands), so wait for
601 * d0i3 exit in these cases as well.
b2492501 602 */
d40fc489
GG		 603 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
604 if (ret)
605 return ret;
606
607 tx_agg_ref = true;
9256c205
EP		 608 break;
609 default:
610 break;
b2492501
AN		 611 }
612
8ca151b5
JB		 613 mutex_lock(&mvm->mutex);
614
615 switch (action) {
616 case IEEE80211_AMPDU_RX_START:
205e2210 617 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 618 ret = -EINVAL;
619 break;
620 }
621 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
622 break;
623 case IEEE80211_AMPDU_RX_STOP:
624 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
625 break;
626 case IEEE80211_AMPDU_TX_START:
205e2210 627 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 628 ret = -EINVAL;
629 break;
630 }
8ca151b5
JB		 631 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
632 break;
633 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 634 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
635 break;
8ca151b5
JB		 636 case IEEE80211_AMPDU_TX_STOP_FLUSH:
637 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 638 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 639 break;
640 case IEEE80211_AMPDU_TX_OPERATIONAL:
641 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
642 break;
643 default:
644 WARN_ON_ONCE(1);
645 ret = -EINVAL;
646 break;
647 }
648 mutex_unlock(&mvm->mutex);
649
b2492501
AN		 650 /*
651 * If the tid is marked as started, we won't use it for offloaded
652 * traffic on the next D0i3 entry. It's safe to unref.
653 */
654 if (tx_agg_ref)
655 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
656
8ca151b5
JB		 657 return ret;
658}
659
660static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
661 struct ieee80211_vif *vif)
662{
663 struct iwl_mvm *mvm = data;
664 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
665
666 mvmvif->uploaded = false;
667 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
668
669 /* does this make sense at all? */
670 mvmvif->color++;
671
672 spin_lock_bh(&mvm->time_event_lock);
673 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
674 spin_unlock_bh(&mvm->time_event_lock);
675
fe0f2de3 676 mvmvif->phy_ctxt = NULL;
8a275bad 677 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 678}
679
655e6d6d 680#ifdef CONFIG_IWLWIFI_DEBUGFS
4bfa47f3 681void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
655e6d6d 682{
4bfa47f3 683 static char *env[] = { "DRIVER=iwlwifi", "EVENT=error_dump", NULL };
655e6d6d
EG		 684 struct iwl_fw_error_dump_file *dump_file;
685 struct iwl_fw_error_dump_data *dump_data;
686 struct iwl_fw_error_dump_info *dump_info;
48eb7b34 687 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d
EG		 688 const struct fw_img *img;
689 u32 sram_len, sram_ofs;
690 u32 file_len, rxf_len;
691 unsigned long flags;
655e6d6d
EG		 692 int reg_val;
693
694 lockdep_assert_held(&mvm->mutex);
695
696 if (mvm->fw_error_dump)
697 return;
698
48eb7b34
EG		 699 fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL);
700 if (!fw_error_dump)
701 return;
702
655e6d6d
EG		 703 img = &mvm->fw->img[mvm->cur_ucode];
704 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
705 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
706
707 /* reading buffer size */
708 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
709 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
710
711 /* the register holds the value divided by 128 */
712 rxf_len = rxf_len << 7;
713
714 file_len = sizeof(*dump_file) +
715 sizeof(*dump_data) * 3 +
716 sram_len +
717 rxf_len +
718 sizeof(*dump_info);
719
5bfe6f53 720 dump_file = vzalloc(file_len);
48eb7b34
EG		 721 if (!dump_file) {
722 kfree(fw_error_dump);
655e6d6d 723 return;
48eb7b34 724 }
655e6d6d 725
48eb7b34 726 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 727
728 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 729 dump_data = (void *)dump_file->data;
730
731 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
732 dump_data->len = cpu_to_le32(sizeof(*dump_info));
733 dump_info = (void *) dump_data->data;
734 dump_info->device_family =
735 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
736 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
737 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
738 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
739 sizeof(dump_info->fw_human_readable));
740 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
741 sizeof(dump_info->dev_human_readable));
742 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
743 sizeof(dump_info->bus_human_readable));
744
745 dump_data = iwl_fw_error_next_data(dump_data);
746 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
747 dump_data->len = cpu_to_le32(rxf_len);
748
749 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
750 u32 *rxf = (void *)dump_data->data;
751 int i;
752
753 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
754 iwl_trans_write_prph(mvm->trans,
755 RXF_LD_FENCE_OFFSET_ADDR,
756 i * sizeof(u32));
757 rxf[i] = iwl_trans_read_prph(mvm->trans,
758 RXF_FIFO_RD_FENCE_ADDR);
759 }
760 iwl_trans_release_nic_access(mvm->trans, &flags);
761 }
762
763 dump_data = iwl_fw_error_next_data(dump_data);
764 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
765 dump_data->len = cpu_to_le32(sram_len);
766 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
767 sram_len);
768
48eb7b34
EG		 769 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
770 fw_error_dump->op_mode_len = file_len;
771 if (fw_error_dump->trans_ptr)
772 file_len += fw_error_dump->trans_ptr->len;
773 dump_file->file_len = cpu_to_le32(file_len);
774 mvm->fw_error_dump = fw_error_dump;
4bfa47f3
EG		 775
776 /* notify the userspace about the error we had */
777 kobject_uevent_env(&mvm->hw->wiphy->dev.kobj, KOBJ_CHANGE, env);
655e6d6d
EG		 778}
779#endif
780
8ca151b5
JB		 781static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
782{
1bd3cbc1
EG		 783 iwl_mvm_fw_error_dump(mvm);
784
8ca151b5 785 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 786
787 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 788 mvm->ps_disabled = false;
8ca151b5
JB		 789
790 /* just in case one was running */
791 ieee80211_remain_on_channel_expired(mvm->hw);
792
793 ieee80211_iterate_active_interfaces_atomic(
794 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
795 iwl_mvm_cleanup_iterator, mvm);
796
fe0f2de3 797 mvm->p2p_device_vif = NULL;
37577fe2 798 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 799
800 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 801 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
802 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
8a275bad
EG		 803 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
804 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
805 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
806 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
807 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
808 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 809
810 ieee80211_wake_queues(mvm->hw);
811
7498cf4c
EP		 812 /* cleanup all stale references (scan, roc), but keep the
813 * ucode_down ref until reconfig is complete */
814 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
815
228670b2
EP		 816 /* clear any stale d0i3 state */
817 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
818
8ca151b5 819 mvm->vif_count = 0;
113a0447 820 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 821}
822
a0a09243 823int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 824{
8ca151b5
JB		 825 int ret;
826
a0a09243 827 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 828
829 /* Clean up some internal and mac80211 state on restart */
830 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
831 iwl_mvm_restart_cleanup(mvm);
832
833 ret = iwl_mvm_up(mvm);
c47af22a
JB		 834
835 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
836 /* Something went wrong - we need to finish some cleanup
837 * that normally iwl_mvm_mac_restart_complete() below
838 * would do.
839 */
840 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
841 iwl_mvm_d0i3_enable_tx(mvm, NULL);
842 }
843
a0a09243
LC		 844 return ret;
845}
846
847static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
848{
849 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
850 int ret;
851
852 mutex_lock(&mvm->mutex);
853 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 854 mutex_unlock(&mvm->mutex);
855
856 return ret;
857}
858
859static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
860{
861 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
862 int ret;
863
864 mutex_lock(&mvm->mutex);
865
866 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 867 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 868 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 869 if (ret)
870 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
871 ret);
872
7498cf4c
EP		 873 /* allow transport/FW low power modes */
874 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
875
8ca151b5
JB		 876 mutex_unlock(&mvm->mutex);
877}
878
a0a09243 879void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 880{
a0a09243 881 lockdep_assert_held(&mvm->mutex);
7498cf4c
EP		 882
883 /* disallow low power states when the FW is down */
884 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
885
8ca151b5
JB		 886 /* async_handlers_wk is now blocked */
887
888 /*
889 * The work item could be running or queued if the
890 * ROC time event stops just as we get here.
891 */
892 cancel_work_sync(&mvm->roc_done_wk);
893
894 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 895
896 iwl_mvm_async_handlers_purge(mvm);
897 /* async_handlers_list is empty and will stay empty: HW is stopped */
898
899 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 900 iwl_mvm_del_aux_sta(mvm);
8ca151b5 901
bc44886d 902 mvm->ucode_loaded = false;
a0a09243 903}
bc44886d 904
a0a09243
LC		 905static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
906{
907 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
908
909 flush_work(&mvm->d0i3_exit_work);
910 flush_work(&mvm->async_handlers_wk);
4bfa47f3 911 flush_work(&mvm->fw_error_dump_wk);
a0a09243
LC		 912
913 mutex_lock(&mvm->mutex);
914 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 915 mutex_unlock(&mvm->mutex);
916
917 /*
918 * The worker might have been waiting for the mutex, let it run and
919 * discover that its list is now empty.
920 */
921 cancel_work_sync(&mvm->async_handlers_wk);
922}
923
fe0f2de3
IP		 924static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
925{
926 u16 i;
927
928 lockdep_assert_held(&mvm->mutex);
929
930 for (i = 0; i < NUM_PHY_CTX; i++)
931 if (!mvm->phy_ctxts[i].ref)
932 return &mvm->phy_ctxts[i];
933
934 IWL_ERR(mvm, "No available PHY context\n");
935 return NULL;
936}
937
ee9c6cb0
EG		 938static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
939 s8 tx_power)
940{
941 /* FW is in charge of regulatory enforcement */
942 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
943 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
944 .pwr_restriction = cpu_to_le16(tx_power),
945 };
946
a1022927 947 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 948 sizeof(reduce_txpwr_cmd),
949 &reduce_txpwr_cmd);
950}
951
8ca151b5
JB		 952static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
953 struct ieee80211_vif *vif)
954{
955 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
956 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
957 int ret;
958
d40fc489
GG		 959 /*
960 * make sure D0i3 exit is completed, otherwise a target access
961 * during tx queue configuration could be done when still in
962 * D0i3 state.
963 */
964 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
965 if (ret)
966 return ret;
967
8ca151b5
JB		 968 /*
969 * Not much to do here. The stack will not allow interface
970 * types or combinations that we didn't advertise, so we
971 * don't really have to check the types.
972 */
973
974 mutex_lock(&mvm->mutex);
975
e89044d7 976 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 977 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
978 if (ret)
979 goto out_unlock;
980
1c2abf72 981 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 982 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
983 mvm->vif_count++;
ea183d02 984
8ca151b5
JB		 985 /*
986 * The AP binding flow can be done only after the beacon
987 * template is configured (which happens only in the mac80211
988 * start_ap() flow), and adding the broadcast station can happen
989 * only after the binding.
990 * In addition, since modifying the MAC before adding a bcast
991 * station is not allowed by the FW, delay the adding of MAC context to
992 * the point where we can also add the bcast station.
993 * In short: there's not much we can do at this point, other than
994 * allocating resources :)
995 */
5023d966
JB		 996 if (vif->type == NL80211_IFTYPE_AP ||
997 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 998 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 999 if (ret) {
1000 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1001 goto out_release;
1002 }
1003
77740cb4 1004 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1005 goto out_unlock;
1006 }
1007
8ca151b5
JB		 1008 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1009 if (ret)
1010 goto out_release;
1011
999609f1 1012 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 1013 if (ret)
1014 goto out_release;
8ca151b5 1015
7df15b1e 1016 /* beacon filtering */
a1022927 1017 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1018 if (ret)
1019 goto out_remove_mac;
1020
7df15b1e 1021 if (!mvm->bf_allowed_vif &&
73e5f2c5 1022 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1023 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1024 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1025 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1026 }
1027
8ca151b5
JB		 1028 /*
1029 * P2P_DEVICE interface does not have a channel context assigned to it,
1030 * so a dedicated PHY context is allocated to it and the corresponding
1031 * MAC context is bound to it at this stage.
1032 */
1033 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1034
fe0f2de3
IP		 1035 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1036 if (!mvmvif->phy_ctxt) {
1037 ret = -ENOSPC;
bd3351ba 1038 goto out_free_bf;
fe0f2de3 1039 }
8ca151b5 1040
53a9d61e 1041 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1042 ret = iwl_mvm_binding_add_vif(mvm, vif);
1043 if (ret)
53a9d61e 1044 goto out_unref_phy;
8ca151b5 1045
013290aa 1046 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1047 if (ret)
1048 goto out_unbind;
1049
1050 /* Save a pointer to p2p device vif, so it can later be used to
1051 * update the p2p device MAC when a GO is started/stopped */
1052 mvm->p2p_device_vif = vif;
1053 }
1054
63494374 1055 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1056 goto out_unlock;
1057
1058 out_unbind:
1059 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1060 out_unref_phy:
fe0f2de3 1061 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1062 out_free_bf:
1063 if (mvm->bf_allowed_vif == mvmvif) {
1064 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1065 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1066 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1067 }
8ca151b5
JB		 1068 out_remove_mac:
1069 mvmvif->phy_ctxt = NULL;
1070 iwl_mvm_mac_ctxt_remove(mvm, vif);
1071 out_release:
5ee2b215
AB		 1072 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1073 mvm->vif_count--;
1c2abf72 1074
8ca151b5
JB		 1075 iwl_mvm_mac_ctxt_release(mvm, vif);
1076 out_unlock:
1077 mutex_unlock(&mvm->mutex);
1078
d40fc489
GG		 1079 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1080
8ca151b5
JB		 1081 return ret;
1082}
1083
38a12b5b
JB		 1084static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1085 struct ieee80211_vif *vif)
8ca151b5 1086{
110cf810 1087 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(mvm, vif);
8ca151b5
JB		 1088
1089 if (tfd_msk) {
1090 mutex_lock(&mvm->mutex);
1091 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1092 mutex_unlock(&mvm->mutex);
1093 }
1094
1095 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1096 /*
1097 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1098 * We assume here that all the packets sent to the OFFCHANNEL
1099 * queue are sent in ROC session.
1100 */
1101 flush_work(&mvm->roc_done_wk);
1102 } else {
1103 /*
1104 * By now, all the AC queues are empty. The AGG queues are
1105 * empty too. We already got all the Tx responses for all the
1106 * packets in the queues. The drain work can have been
0742a75a 1107 * triggered. Flush it.
8ca151b5
JB		 1108 */
1109 flush_work(&mvm->sta_drained_wk);
1110 }
38a12b5b
JB		 1111}
1112
1113static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1114 struct ieee80211_vif *vif)
1115{
1116 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1117 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1118
1119 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1120
1121 mutex_lock(&mvm->mutex);
1122
7df15b1e
HG		 1123 if (mvm->bf_allowed_vif == mvmvif) {
1124 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1125 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1126 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1127 }
1128
63494374
JB		 1129 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1130
8ca151b5
JB		 1131 /*
1132 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1133 * interface is be handled as part of the stop_ap flow.
8ca151b5 1134 */
5023d966
JB		 1135 if (vif->type == NL80211_IFTYPE_AP ||
1136 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1137#ifdef CONFIG_NL80211_TESTMODE
1138 if (vif == mvm->noa_vif) {
1139 mvm->noa_vif = NULL;
1140 mvm->noa_duration = 0;
1141 }
1142#endif
013290aa 1143 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1144 goto out_release;
1145 }
1146
1147 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1148 mvm->p2p_device_vif = NULL;
013290aa 1149 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1150 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1151 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1152 mvmvif->phy_ctxt = NULL;
1153 }
1154
5ee2b215 1155 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1156 mvm->vif_count--;
1c2abf72 1157
999609f1 1158 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1159 iwl_mvm_mac_ctxt_remove(mvm, vif);
1160
1161out_release:
1162 iwl_mvm_mac_ctxt_release(mvm, vif);
1163 mutex_unlock(&mvm->mutex);
1164}
1165
1166static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1167{
8ca151b5
JB		 1168 return 0;
1169}
1170
e59647ea
EP		 1171struct iwl_mvm_mc_iter_data {
1172 struct iwl_mvm *mvm;
1173 int port_id;
1174};
1175
1176static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1177 struct ieee80211_vif *vif)
1178{
1179 struct iwl_mvm_mc_iter_data *data = _data;
1180 struct iwl_mvm *mvm = data->mvm;
1181 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1182 int ret, len;
1183
1184 /* if we don't have free ports, mcast frames will be dropped */
1185 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1186 return;
1187
1188 if (vif->type != NL80211_IFTYPE_STATION ||
1189 !vif->bss_conf.assoc)
1190 return;
1191
1192 cmd->port_id = data->port_id++;
1193 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1194 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1195
1c4abec0 1196 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1197 if (ret)
1198 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1199}
1200
1201static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1202{
1203 struct iwl_mvm_mc_iter_data iter_data = {
1204 .mvm = mvm,
88f2fd73
MG		 1205 };
1206
e59647ea
EP		 1207 lockdep_assert_held(&mvm->mutex);
1208
1209 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1210 return;
1211
1c4abec0 1212 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1213 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1214 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1215}
1216
e59647ea
EP		 1217static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1218 struct netdev_hw_addr_list *mc_list)
8ca151b5 1219{
e59647ea
EP		 1220 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1221 struct iwl_mcast_filter_cmd *cmd;
1222 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1223 int addr_count;
1224 bool pass_all;
e59647ea
EP		 1225 int len;
1226
f3bd58f4
MS		 1227 addr_count = netdev_hw_addr_list_count(mc_list);
1228 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1229 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1230 if (pass_all)
e59647ea 1231 addr_count = 0;
e59647ea
EP		 1232
1233 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1234 cmd = kzalloc(len, GFP_ATOMIC);
1235 if (!cmd)
1236 return 0;
1237
1238 if (pass_all) {
1239 cmd->pass_all = 1;
1240 return (u64)(unsigned long)cmd;
1241 }
1242
1243 netdev_hw_addr_list_for_each(addr, mc_list) {
1244 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1245 cmd->count, addr->addr);
1246 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1247 addr->addr, ETH_ALEN);
1248 cmd->count++;
1249 }
1250
1251 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1252}
1253
1254static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1255 unsigned int changed_flags,
1256 unsigned int *total_flags,
1257 u64 multicast)
1258{
e59647ea
EP		 1259 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1260 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1261
e59647ea 1262 mutex_lock(&mvm->mutex);
51b6b9e0 1263
e59647ea
EP		 1264 /* replace previous configuration */
1265 kfree(mvm->mcast_filter_cmd);
1266 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1267
e59647ea
EP		 1268 if (!cmd)
1269 goto out;
51b6b9e0 1270
e59647ea
EP		 1271 iwl_mvm_recalc_multicast(mvm);
1272out:
1273 mutex_unlock(&mvm->mutex);
1274 *total_flags = 0;
51b6b9e0
EG		 1275}
1276
c87163b9
EP		 1277#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1278struct iwl_bcast_iter_data {
1279 struct iwl_mvm *mvm;
1280 struct iwl_bcast_filter_cmd *cmd;
1281 u8 current_filter;
1282};
1283
1284static void
1285iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1286 const struct iwl_fw_bcast_filter *in_filter,
1287 struct iwl_fw_bcast_filter *out_filter)
1288{
1289 struct iwl_fw_bcast_filter_attr *attr;
1290 int i;
1291
1292 memcpy(out_filter, in_filter, sizeof(*out_filter));
1293
1294 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1295 attr = &out_filter->attrs[i];
1296
1297 if (!attr->mask)
1298 break;
1299
2ee8f021
EP		 1300 switch (attr->reserved1) {
1301 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1302 if (vif->bss_conf.arp_addr_cnt != 1) {
1303 attr->mask = 0;
1304 continue;
1305 }
1306
1307 attr->val = vif->bss_conf.arp_addr_list[0];
1308 break;
1309 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1310 attr->val = *(__be32 *)&vif->addr[2];
1311 break;
1312 default:
1313 break;
1314 }
1315 attr->reserved1 = 0;
c87163b9
EP		 1316 out_filter->num_attrs++;
1317 }
1318}
1319
1320static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1321 struct ieee80211_vif *vif)
1322{
1323 struct iwl_bcast_iter_data *data = _data;
1324 struct iwl_mvm *mvm = data->mvm;
1325 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1326 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1327 struct iwl_fw_bcast_mac *bcast_mac;
1328 int i;
1329
1330 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1331 return;
1332
1333 bcast_mac = &cmd->macs[mvmvif->id];
1334
e48393e8
IP		 1335 /*
1336 * enable filtering only for associated stations, but not for P2P
1337 * Clients
1338 */
1339 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1340 !vif->bss_conf.assoc)
c87163b9
EP		 1341 return;
1342
1343 bcast_mac->default_discard = 1;
1344
1345 /* copy all configured filters */
1346 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1347 /*
1348 * Make sure we don't exceed our filters limit.
1349 * if there is still a valid filter to be configured,
1350 * be on the safe side and just allow bcast for this mac.
1351 */
1352 if (WARN_ON_ONCE(data->current_filter >=
1353 ARRAY_SIZE(cmd->filters))) {
1354 bcast_mac->default_discard = 0;
1355 bcast_mac->attached_filters = 0;
1356 break;
1357 }
1358
1359 iwl_mvm_set_bcast_filter(vif,
1360 &mvm->bcast_filters[i],
1361 &cmd->filters[data->current_filter]);
1362
1363 /* skip current filter if it contains no attributes */
1364 if (!cmd->filters[data->current_filter].num_attrs)
1365 continue;
1366
1367 /* attach the filter to current mac */
1368 bcast_mac->attached_filters |=
1369 cpu_to_le16(BIT(data->current_filter));
1370
1371 data->current_filter++;
1372 }
1373}
1374
de06a59e
EP		 1375bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1376 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1377{
c87163b9
EP		 1378 struct iwl_bcast_iter_data iter_data = {
1379 .mvm = mvm,
de06a59e 1380 .cmd = cmd,
c87163b9
EP		 1381 };
1382
de06a59e
EP		 1383 memset(cmd, 0, sizeof(*cmd));
1384 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1385 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1386
1387#ifdef CONFIG_IWLWIFI_DEBUGFS
1388 /* use debugfs filters/macs if override is configured */
1389 if (mvm->dbgfs_bcast_filtering.override) {
1390 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1391 sizeof(cmd->filters));
1392 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1393 sizeof(cmd->macs));
1394 return true;
1395 }
1396#endif
c87163b9
EP		 1397
1398 /* if no filters are configured, do nothing */
1399 if (!mvm->bcast_filters)
de06a59e 1400 return false;
c87163b9
EP		 1401
1402 /* configure and attach these filters for each associated sta vif */
1403 ieee80211_iterate_active_interfaces(
1404 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1405 iwl_mvm_bcast_filter_iterator, &iter_data);
1406
de06a59e
EP		 1407 return true;
1408}
1409static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1410 struct ieee80211_vif *vif)
1411{
1412 struct iwl_bcast_filter_cmd cmd;
1413
1414 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1415 return 0;
1416
1417 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1418 return 0;
1419
a1022927 1420 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1421 sizeof(cmd), &cmd);
1422}
1423#else
1424static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1425 struct ieee80211_vif *vif)
1426{
1427 return 0;
1428}
1429#endif
1430
8ca151b5
JB		 1431static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1432 struct ieee80211_vif *vif,
1433 struct ieee80211_bss_conf *bss_conf,
1434 u32 changes)
1435{
1436 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1437 int ret;
1438
6e97b0d2
IP		 1439 /*
1440 * Re-calculate the tsf id, as the master-slave relations depend on the
1441 * beacon interval, which was not known when the station interface was
1442 * added.
1443 */
1444 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1445 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1446
3dfd3a97
JB		 1447 /*
1448 * If we're not associated yet, take the (new) BSSID before associating
1449 * so the firmware knows. If we're already associated, then use the old
1450 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1451 * branch for disassociation below.
1452 */
1453 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1454 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1455
1456 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1457 if (ret)
1458 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1459
3dfd3a97
JB		 1460 /* after sending it once, adopt mac80211 data */
1461 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1462 mvmvif->associated = bss_conf->assoc;
1463
8ca151b5
JB		 1464 if (changes & BSS_CHANGED_ASSOC) {
1465 if (bss_conf->assoc) {
1466 /* add quota for this interface */
0166230c 1467 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1468 if (ret) {
1469 IWL_ERR(mvm, "failed to update quotas\n");
1470 return;
1471 }
016d27e1
JB		 1472
1473 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1474 &mvm->status)) {
1475 /*
1476 * If we're restarting then the firmware will
1477 * obviously have lost synchronisation with
1478 * the AP. It will attempt to synchronise by
1479 * itself, but we can make it more reliable by
1480 * scheduling a session protection time event.
1481 *
1482 * The firmware needs to receive a beacon to
1483 * catch up with synchronisation, use 110% of
1484 * the beacon interval.
1485 *
1486 * Set a large maximum delay to allow for more
1487 * than a single interface.
1488 */
1489 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1490 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1491 5 * dur, false);
016d27e1 1492 }
1f3b0ff8
LE		 1493
1494 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1495 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1496 if (vif->p2p) {
29a90a49 1497 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1498 iwl_mvm_update_smps(mvm, vif,
1499 IWL_MVM_SMPS_REQ_PROT,
1500 IEEE80211_SMPS_DYNAMIC);
1501 }
8ca151b5 1502 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1503 /*
1504 * If update fails - SF might be running in associated
1505 * mode while disassociated - which is forbidden.
1506 */
1507 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1508 "Failed to update SF upon disassociation\n");
1509
8ca151b5
JB		 1510 /* remove AP station now that the MAC is unassoc */
1511 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1512 if (ret)
1513 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1514
1515 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1516 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1517 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1518 /* remove quota for this interface */
0166230c 1519 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1520 if (ret)
1521 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1522
1523 if (vif->p2p)
1524 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1525
1526 /* this will take the cleared BSSID from bss_conf */
1527 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1528 if (ret)
1529 IWL_ERR(mvm,
1530 "failed to update MAC %pM (clear after unassoc)\n",
1531 vif->addr);
8ca151b5 1532 }
a20fd398 1533
e59647ea 1534 iwl_mvm_recalc_multicast(mvm);
c87163b9 1535 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1536
a20fd398
AO		 1537 /* reset rssi values */
1538 mvmvif->bf_data.ave_beacon_signal = 0;
1539
8e484f0b 1540 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1541 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1542 IEEE80211_SMPS_AUTOMATIC);
989c6505 1543 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1544 /*
1545 * We received a beacon _after_ association so
1546 * remove the session protection.
1547 */
1548 iwl_mvm_remove_time_event(mvm, mvmvif,
1549 &mvmvif->time_event_data);
8ca151b5 1550 }
cc87d322
EH		 1551
1552 if (changes & BSS_CHANGED_BEACON_INFO) {
1553 iwl_mvm_sf_update(mvm, vif, false);
1554 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1555 }
1556
1bc10d3b
JB		 1557 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1558 ret = iwl_mvm_power_update_mac(mvm);
1559 if (ret)
1560 IWL_ERR(mvm, "failed to update power mode\n");
1561 }
1562
88f2fd73
MG		 1563 if (changes & BSS_CHANGED_TXPOWER) {
1564 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1565 bss_conf->txpower);
1566 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1567 }
a20fd398
AO		 1568
1569 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1570 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1571 /* reset cqm events tracking */
1572 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1573 if (mvmvif->bf_data.bf_enabled) {
1574 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1575 if (ret)
1576 IWL_ERR(mvm,
1577 "failed to update CQM thresholds\n");
1578 }
a20fd398 1579 }
2ee8f021
EP		 1580
1581 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1582 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1583 iwl_mvm_configure_bcast_filter(mvm, vif);
1584 }
8ca151b5
JB		 1585}
1586
5023d966
JB		 1587static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1588 struct ieee80211_vif *vif)
8ca151b5
JB		 1589{
1590 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1591 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1592 int ret;
1593
576eeee9
EP		 1594 /*
1595 * iwl_mvm_mac_ctxt_add() might read directly from the device
1596 * (the system time), so make sure it is available.
1597 */
1598 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1599 if (ret)
1600 return ret;
1601
8ca151b5
JB		 1602 mutex_lock(&mvm->mutex);
1603
1604 /* Send the beacon template */
1605 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1606 if (ret)
1607 goto out_unlock;
1608
6e97b0d2
IP		 1609 /*
1610 * Re-calculate the tsf id, as the master-slave relations depend on the
1611 * beacon interval, which was not known when the AP interface was added.
1612 */
1613 if (vif->type == NL80211_IFTYPE_AP)
1614 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1615
8ca151b5
JB		 1616 /* Add the mac context */
1617 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1618 if (ret)
1619 goto out_unlock;
1620
1621 /* Perform the binding */
1622 ret = iwl_mvm_binding_add_vif(mvm, vif);
1623 if (ret)
1624 goto out_remove;
1625
8ca151b5
JB		 1626 /* Send the bcast station. At this stage the TBTT and DTIM time events
1627 * are added and applied to the scheduler */
013290aa 1628 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1629 if (ret)
1630 goto out_unbind;
1631
5691e218
IP		 1632 /* must be set before quota calculations */
1633 mvmvif->ap_ibss_active = true;
1634
a11e144e 1635 /* power updated needs to be done before quotas */
999609f1 1636 iwl_mvm_power_update_mac(mvm);
a11e144e 1637
0166230c 1638 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1639 if (ret)
a11e144e 1640 goto out_quota_failed;
8ca151b5 1641
5023d966 1642 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1643 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1644 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1645
29a90a49
EP		 1646 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1647
8e484f0b 1648 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1649
f697267f
AN		 1650 /* we don't support TDLS during DCM */
1651 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1652 iwl_mvm_teardown_tdls_peers(mvm);
1653
8ca151b5
JB		 1654 mutex_unlock(&mvm->mutex);
1655 return 0;
1656
a11e144e 1657out_quota_failed:
999609f1 1658 iwl_mvm_power_update_mac(mvm);
5691e218 1659 mvmvif->ap_ibss_active = false;
013290aa 1660 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 1661out_unbind:
1662 iwl_mvm_binding_remove_vif(mvm, vif);
1663out_remove:
1664 iwl_mvm_mac_ctxt_remove(mvm, vif);
1665out_unlock:
1666 mutex_unlock(&mvm->mutex);
576eeee9 1667 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 1668 return ret;
1669}
1670
5023d966
JB		 1671static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1672 struct ieee80211_vif *vif)
8ca151b5
JB		 1673{
1674 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1675 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1676
38a12b5b
JB		 1677 iwl_mvm_prepare_mac_removal(mvm, vif);
1678
8ca151b5
JB		 1679 mutex_lock(&mvm->mutex);
1680
664322fa 1681 /* Handle AP stop while in CSA */
7f0a7c67
AO		 1682 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1683 iwl_mvm_remove_time_event(mvm, mvmvif,
1684 &mvmvif->time_event_data);
664322fa 1685 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 1686 }
664322fa 1687
003e5236
AO		 1688 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1689 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1690 mvm->csa_tx_block_bcn_timeout = 0;
1691 }
1692
5023d966 1693 mvmvif->ap_ibss_active = false;
1c87bbad 1694 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 1695
8e484f0b 1696 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1697
29a90a49
EP		 1698 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1699
5023d966 1700 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1701 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1702 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1703
0166230c 1704 iwl_mvm_update_quotas(mvm, NULL);
013290aa 1705 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 1706 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 1707
999609f1 1708 iwl_mvm_power_update_mac(mvm);
a11e144e 1709
8ca151b5
JB		 1710 iwl_mvm_mac_ctxt_remove(mvm, vif);
1711
1712 mutex_unlock(&mvm->mutex);
1713}
1714
5023d966
JB		 1715static void
1716iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1717 struct ieee80211_vif *vif,
1718 struct ieee80211_bss_conf *bss_conf,
1719 u32 changes)
8ca151b5 1720{
be2056fc 1721 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 1722
be2056fc
IP		 1723 /* Changes will be applied when the AP/IBSS is started */
1724 if (!mvmvif->ap_ibss_active)
1725 return;
1726
863230da 1727 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 1728 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 1729 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 1730 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 1731
8ca151b5 1732 /* Need to send a new beacon template to the FW */
863230da
JB		 1733 if (changes & BSS_CHANGED_BEACON &&
1734 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1735 IWL_WARN(mvm, "Failed updating beacon data\n");
8ca151b5
JB		 1736}
1737
1738static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1739 struct ieee80211_vif *vif,
1740 struct ieee80211_bss_conf *bss_conf,
1741 u32 changes)
1742{
1743 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1744
576eeee9
EP		 1745 /*
1746 * iwl_mvm_bss_info_changed_station() might call
1747 * iwl_mvm_protect_session(), which reads directly from
1748 * the device (the system time), so make sure it is available.
1749 */
1750 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1751 return;
1752
8ca151b5
JB		 1753 mutex_lock(&mvm->mutex);
1754
723f02ed 1755 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 1756 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 1757
8ca151b5
JB		 1758 switch (vif->type) {
1759 case NL80211_IFTYPE_STATION:
1760 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1761 break;
1762 case NL80211_IFTYPE_AP:
5023d966
JB		 1763 case NL80211_IFTYPE_ADHOC:
1764 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1765 break;
1766 default:
1767 /* shouldn't happen */
1768 WARN_ON_ONCE(1);
1769 }
1770
1771 mutex_unlock(&mvm->mutex);
576eeee9 1772 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 1773}
1774
4660dfbb
EP		 1775static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1776 enum iwl_scan_status scan_type)
1777{
1778 int ret;
1779 bool wait_for_handlers = false;
1780
1781 mutex_lock(&mvm->mutex);
1782
1783 if (mvm->scan_status != scan_type) {
1784 ret = 0;
1785 /* make sure there are no pending notifications */
1786 wait_for_handlers = true;
1787 goto out;
1788 }
1789
1790 switch (scan_type) {
1791 case IWL_MVM_SCAN_SCHED:
1792 ret = iwl_mvm_scan_offload_stop(mvm, true);
1793 break;
1794 case IWL_MVM_SCAN_OS:
1795 ret = iwl_mvm_cancel_scan(mvm);
1796 break;
1797 case IWL_MVM_SCAN_NONE:
1798 default:
1799 WARN_ON_ONCE(1);
1800 ret = -EINVAL;
1801 break;
1802 }
1803 if (ret)
1804 goto out;
1805
1806 wait_for_handlers = true;
1807out:
1808 mutex_unlock(&mvm->mutex);
1809
1810 /* make sure we consume the completion notification */
1811 if (wait_for_handlers)
1812 iwl_mvm_wait_for_async_handlers(mvm);
1813
1814 return ret;
1815}
8ca151b5
JB		 1816static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1817 struct ieee80211_vif *vif,
c56ef672 1818 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 1819{
1820 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 1821 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 1822 int ret;
1823
762533ba
DS		 1824 if (req->n_channels == 0 ||
1825 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 1826 return -EINVAL;
1827
4660dfbb
EP		 1828 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1829 if (ret)
1830 return ret;
1831
8ca151b5
JB		 1832 mutex_lock(&mvm->mutex);
1833
4660dfbb 1834 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 1835 ret = -EBUSY;
519e2026
AN		 1836 goto out;
1837 }
8ca151b5 1838
519e2026
AN		 1839 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1840
fb98be5e
DS		 1841 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1842 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1843 else
1844 ret = iwl_mvm_scan_request(mvm, vif, req);
1845
519e2026
AN		 1846 if (ret)
1847 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1848out:
8ca151b5 1849 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1850 return ret;
1851}
1852
1853static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1854 struct ieee80211_vif *vif)
1855{
1856 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1857
1858 mutex_lock(&mvm->mutex);
1859
1860 iwl_mvm_cancel_scan(mvm);
1861
1862 mutex_unlock(&mvm->mutex);
1863}
1864
1865static void
1866iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1867 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1868 int num_frames,
1869 enum ieee80211_frame_release_type reason,
1870 bool more_data)
1871{
1872 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1873
3e56eadf 1874 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1875
3e56eadf
JB		 1876 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1877 tids, more_data, false);
1878}
1879
1880static void
1881iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1882 struct ieee80211_sta *sta, u16 tids,
1883 int num_frames,
1884 enum ieee80211_frame_release_type reason,
1885 bool more_data)
1886{
1887 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1888
1889 /* Called when we need to transmit (a) frame(s) from agg queue */
1890
1891 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1892 tids, more_data, true);
8ca151b5
JB		 1893}
1894
1895static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1896 struct ieee80211_vif *vif,
1897 enum sta_notify_cmd cmd,
1898 struct ieee80211_sta *sta)
1899{
1900 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1901 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1902 int tid;
8ca151b5
JB		 1903
1904 switch (cmd) {
1905 case STA_NOTIFY_SLEEP:
e3d4bc8c 1906 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1907 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1908 spin_lock_bh(&mvmsta->lock);
1909 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1910 struct iwl_mvm_tid_data *tid_data;
1911
1912 tid_data = &mvmsta->tid_data[tid];
1913 if (tid_data->state != IWL_AGG_ON &&
1914 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1915 continue;
1916 if (iwl_mvm_tid_queued(tid_data) == 0)
1917 continue;
1918 ieee80211_sta_set_buffered(sta, tid, true);
1919 }
1920 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1921 /*
1922 * The fw updates the STA to be asleep. Tx packets on the Tx
1923 * queues to this station will not be transmitted. The fw will
1924 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1925 */
1926 break;
1927 case STA_NOTIFY_AWAKE:
881acd89 1928 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1929 break;
9cc40712 1930 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1931 break;
1932 default:
1933 break;
1934 }
1935}
1936
1ddbbb0c
JB		 1937static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1938 struct ieee80211_vif *vif,
1939 struct ieee80211_sta *sta)
1940{
1941 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1942 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1943
1944 /*
1945 * This is called before mac80211 does RCU synchronisation,
1946 * so here we already invalidate our internal RCU-protected
1947 * station pointer. The rest of the code will thus no longer
1948 * be able to find the station this way, and we don't rely
1949 * on further RCU synchronisation after the sta_state()
1950 * callback deleted the station.
1951 */
1952 mutex_lock(&mvm->mutex);
1953 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1954 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1955 ERR_PTR(-ENOENT));
1956 mutex_unlock(&mvm->mutex);
1957}
1958
8ca151b5
JB		 1959static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1960 struct ieee80211_vif *vif,
1961 struct ieee80211_sta *sta,
1962 enum ieee80211_sta_state old_state,
1963 enum ieee80211_sta_state new_state)
1964{
1965 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1966 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1967 int ret;
1968
1969 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1970 sta->addr, old_state, new_state);
1971
1972 /* this would be a mac80211 bug ... but don't crash */
1973 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1974 return -EINVAL;
1975
1976 /* if a STA is being removed, reuse its ID */
1977 flush_work(&mvm->sta_drained_wk);
1978
1979 mutex_lock(&mvm->mutex);
1980 if (old_state == IEEE80211_STA_NOTEXIST &&
1981 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 1982 /*
1983 * Firmware bug - it'll crash if the beacon interval is less
1984 * than 16. We can't avoid connecting at all, so refuse the
1985 * station state change, this will cause mac80211 to abandon
1986 * attempts to connect to this AP, and eventually wpa_s will
1987 * blacklist the AP...
1988 */
1989 if (vif->type == NL80211_IFTYPE_STATION &&
1990 vif->bss_conf.beacon_int < 16) {
1991 IWL_ERR(mvm,
1992 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1993 sta->addr, vif->bss_conf.beacon_int);
1994 ret = -EINVAL;
1995 goto out_unlock;
1996 }
cf7b491d
AN		 1997
1998 if (sta->tdls &&
1999 (vif->p2p ||
fa3d07e4
AN		 2000 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2001 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2002 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2003 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2004 ret = -EBUSY;
2005 goto out_unlock;
2006 }
2007
8ca151b5 2008 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2009 if (sta->tdls && ret == 0)
2010 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2011 } else if (old_state == IEEE80211_STA_NONE &&
2012 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2013 /*
2014 * EBS may be disabled due to previous failures reported by FW.
2015 * Reset EBS status here assuming environment has been changed.
2016 */
2017 mvm->last_ebs_successful = true;
8ca151b5
JB		 2018 ret = 0;
2019 } else if (old_state == IEEE80211_STA_AUTH &&
2020 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2021 ret = iwl_mvm_update_sta(mvm, vif, sta);
2022 if (ret == 0)
2023 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2024 mvmvif->phy_ctxt->channel->band,
2025 true);
8ca151b5
JB		 2026 } else if (old_state == IEEE80211_STA_ASSOC &&
2027 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2028
2029 /* we don't support TDLS during DCM */
2030 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2031 iwl_mvm_teardown_tdls_peers(mvm);
2032
7df15b1e 2033 /* enable beacon filtering */
fa7b2e7f 2034 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2035 ret = 0;
2036 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2037 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2038 /* disable beacon filtering */
a1022927 2039 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2040 ret = 0;
2041 } else if (old_state == IEEE80211_STA_ASSOC &&
2042 new_state == IEEE80211_STA_AUTH) {
2043 ret = 0;
2044 } else if (old_state == IEEE80211_STA_AUTH &&
2045 new_state == IEEE80211_STA_NONE) {
2046 ret = 0;
2047 } else if (old_state == IEEE80211_STA_NONE &&
2048 new_state == IEEE80211_STA_NOTEXIST) {
2049 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2050 if (sta->tdls)
2051 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2052 } else {
2053 ret = -EIO;
2054 }
48bc1307 2055 out_unlock:
8ca151b5
JB		 2056 mutex_unlock(&mvm->mutex);
2057
2058 return ret;
2059}
2060
2061static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2062{
2063 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2064
2065 mvm->rts_threshold = value;
2066
2067 return 0;
2068}
2069
1f3b0ff8
LE		 2070static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2071 struct ieee80211_vif *vif,
2072 struct ieee80211_sta *sta, u32 changed)
2073{
2074 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2075
2076 if (vif->type == NL80211_IFTYPE_STATION &&
2077 changed & IEEE80211_RC_NSS_CHANGED)
2078 iwl_mvm_sf_update(mvm, vif, false);
2079}
2080
8ca151b5
JB		 2081static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2082 struct ieee80211_vif *vif, u16 ac,
2083 const struct ieee80211_tx_queue_params *params)
2084{
2085 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2086 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2087
2088 mvmvif->queue_params[ac] = *params;
2089
2090 /*
2091 * No need to update right away, we'll get BSS_CHANGED_QOS
2092 * The exception is P2P_DEVICE interface which needs immediate update.
2093 */
2094 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2095 int ret;
2096
2097 mutex_lock(&mvm->mutex);
3dfd3a97 2098 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2099 mutex_unlock(&mvm->mutex);
2100 return ret;
2101 }
2102 return 0;
2103}
2104
2105static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2106 struct ieee80211_vif *vif)
2107{
2108 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2109 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2110 200 + vif->bss_conf.beacon_int);
2111 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2112 100 + vif->bss_conf.beacon_int);
2113
2114 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2115 return;
2116
576eeee9
EP		 2117 /*
2118 * iwl_mvm_protect_session() reads directly from the device
2119 * (the system time), so make sure it is available.
2120 */
2121 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2122 return;
2123
8ca151b5
JB		 2124 mutex_lock(&mvm->mutex);
2125 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2126 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2127 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2128
2129 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2130}
2131
35a000b7
DS		 2132static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2133 struct ieee80211_vif *vif,
2134 struct cfg80211_sched_scan_request *req,
633e2713 2135 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2136{
2137 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2138 int ret;
2139
4660dfbb
EP		 2140 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2141 if (ret)
2142 return ret;
2143
35a000b7
DS		 2144 mutex_lock(&mvm->mutex);
2145
b538b8ce 2146 if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2147 ret = -EBUSY;
2148 goto out;
2149 }
2150
4660dfbb 2151 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2152 ret = -EBUSY;
2153 goto out;
2154 }
2155
2156 mvm->scan_status = IWL_MVM_SCAN_SCHED;
2157
fb98be5e
DS		 2158 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
2159 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
2160 if (ret)
2161 goto err;
2162 }
35a000b7
DS		 2163
2164 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
2165 if (ret)
2166 goto err;
2167
fb98be5e
DS		 2168 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
2169 ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
2170 else
2171 ret = iwl_mvm_sched_scan_start(mvm, req);
2172
35a000b7
DS		 2173 if (!ret)
2174 goto out;
2175err:
2176 mvm->scan_status = IWL_MVM_SCAN_NONE;
2177out:
2178 mutex_unlock(&mvm->mutex);
2179 return ret;
2180}
2181
37e3308c
JB		 2182static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2183 struct ieee80211_vif *vif)
35a000b7
DS		 2184{
2185 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2186 int ret;
35a000b7
DS		 2187
2188 mutex_lock(&mvm->mutex);
fb98be5e 2189 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2190 mutex_unlock(&mvm->mutex);
33ea27f6 2191 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2192
33ea27f6 2193 return ret;
35a000b7
DS		 2194}
2195
8ca151b5
JB		 2196static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2197 enum set_key_cmd cmd,
2198 struct ieee80211_vif *vif,
2199 struct ieee80211_sta *sta,
2200 struct ieee80211_key_conf *key)
2201{
2202 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2203 int ret;
2204
2205 if (iwlwifi_mod_params.sw_crypto) {
2206 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2207 return -EOPNOTSUPP;
2208 }
2209
2210 switch (key->cipher) {
2211 case WLAN_CIPHER_SUITE_TKIP:
2212 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2213 /* fall-through */
2214 case WLAN_CIPHER_SUITE_CCMP:
2215 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2216 break;
2217 case WLAN_CIPHER_SUITE_AES_CMAC:
2218 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2219 break;
2220 case WLAN_CIPHER_SUITE_WEP40:
2221 case WLAN_CIPHER_SUITE_WEP104:
2222 /*
2223 * Support for TX only, at least for now, so accept
2224 * the key and do nothing else. Then mac80211 will
2225 * pass it for TX but we don't have to use it for RX.
2226 */
2227 return 0;
2228 default:
e36e5433
MS		 2229 /* currently FW supports only one optional cipher scheme */
2230 if (hw->n_cipher_schemes &&
2231 hw->cipher_schemes->cipher == key->cipher)
2232 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2233 else
2234 return -EOPNOTSUPP;
8ca151b5
JB		 2235 }
2236
2237 mutex_lock(&mvm->mutex);
2238
2239 switch (cmd) {
2240 case SET_KEY:
5023d966
JB		 2241 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2242 vif->type == NL80211_IFTYPE_AP) && !sta) {
2243 /*
2244 * GTK on AP interface is a TX-only key, return 0;
2245 * on IBSS they're per-station and because we're lazy
2246 * we don't support them for RX, so do the same.
2247 */
6caffd4f
JB		 2248 ret = 0;
2249 key->hw_key_idx = STA_KEY_IDX_INVALID;
2250 break;
2251 }
2252
8ca151b5
JB		 2253 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2254 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2255 if (ret) {
2256 IWL_WARN(mvm, "set key failed\n");
2257 /*
2258 * can't add key for RX, but we don't need it
2259 * in the device for TX so still return 0
2260 */
6caffd4f 2261 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2262 ret = 0;
2263 }
2264
2265 break;
2266 case DISABLE_KEY:
6caffd4f
JB		 2267 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2268 ret = 0;
2269 break;
2270 }
2271
8ca151b5
JB		 2272 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2273 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2274 break;
2275 default:
2276 ret = -EINVAL;
2277 }
2278
2279 mutex_unlock(&mvm->mutex);
2280 return ret;
2281}
2282
2283static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2284 struct ieee80211_vif *vif,
2285 struct ieee80211_key_conf *keyconf,
2286 struct ieee80211_sta *sta,
2287 u32 iv32, u16 *phase1key)
2288{
2289 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2290
5023d966
JB		 2291 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2292 return;
2293
8ca151b5
JB		 2294 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2295}
2296
2297
b112889c
AM		 2298static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2299 struct iwl_rx_packet *pkt, void *data)
2300{
2301 struct iwl_mvm *mvm =
2302 container_of(notif_wait, struct iwl_mvm, notif_wait);
2303 struct iwl_hs20_roc_res *resp;
2304 int resp_len = iwl_rx_packet_payload_len(pkt);
2305 struct iwl_mvm_time_event_data *te_data = data;
2306
2307 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2308 return true;
2309
2310 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2311 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2312 return true;
2313 }
2314
2315 resp = (void *)pkt->data;
2316
2317 IWL_DEBUG_TE(mvm,
2318 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2319 resp->status, resp->event_unique_id);
2320
2321 te_data->uid = le32_to_cpu(resp->event_unique_id);
2322 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2323 te_data->uid);
2324
2325 spin_lock_bh(&mvm->time_event_lock);
2326 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2327 spin_unlock_bh(&mvm->time_event_lock);
2328
2329 return true;
2330}
2331
2332#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2333static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2334 struct ieee80211_channel *channel,
2335 struct ieee80211_vif *vif,
2336 int duration)
2337{
2338 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2339 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2340 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2341 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2342 struct iwl_notification_wait wait_time_event;
2343 struct iwl_hs20_roc_req aux_roc_req = {
2344 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2345 .id_and_color =
2346 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2347 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2348 /* Set the channel info data */
2349 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2350 PHY_BAND_24 : PHY_BAND_5,
2351 .channel_info.channel = channel->hw_value,
2352 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2353 /* Set the time and duration */
2354 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2355 .apply_time_max_delay =
2356 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2357 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2358 };
2359
2360 /* Set the node address */
2361 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2362
2363 te_data->vif = vif;
2364 te_data->duration = duration;
2365 te_data->id = HOT_SPOT_CMD;
2366
2367 lockdep_assert_held(&mvm->mutex);
2368
2369 spin_lock_bh(&mvm->time_event_lock);
2370 list_add_tail(&te_data->list, &mvm->time_event_list);
2371 spin_unlock_bh(&mvm->time_event_lock);
2372
2373 /*
2374 * Use a notification wait, which really just processes the
2375 * command response and doesn't wait for anything, in order
2376 * to be able to process the response and get the UID inside
2377 * the RX path. Using CMD_WANT_SKB doesn't work because it
2378 * stores the buffer and then wakes up this thread, by which
2379 * time another notification (that the time event started)
2380 * might already be processed unsuccessfully.
2381 */
2382 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2383 time_event_response,
2384 ARRAY_SIZE(time_event_response),
2385 iwl_mvm_rx_aux_roc, te_data);
2386
2387 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2388 &aux_roc_req);
2389
2390 if (res) {
2391 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2392 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2393 goto out_clear_te;
2394 }
2395
2396 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2397 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2398 /* should never fail */
2399 WARN_ON_ONCE(res);
2400
2401 if (res) {
2402 out_clear_te:
2403 spin_lock_bh(&mvm->time_event_lock);
2404 iwl_mvm_te_clear_data(mvm, te_data);
2405 spin_unlock_bh(&mvm->time_event_lock);
2406 }
2407
2408 return res;
2409}
2410
8ca151b5
JB		 2411static int iwl_mvm_roc(struct ieee80211_hw *hw,
2412 struct ieee80211_vif *vif,
2413 struct ieee80211_channel *channel,
d339d5ca
IP		 2414 int duration,
2415 enum ieee80211_roc_type type)
8ca151b5
JB		 2416{
2417 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2418 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2419 struct cfg80211_chan_def chandef;
31d385ae
IP		 2420 struct iwl_mvm_phy_ctxt *phy_ctxt;
2421 int ret, i;
2422
2423 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2424 duration, type);
8ca151b5 2425
b112889c
AM		 2426 switch (vif->type) {
2427 case NL80211_IFTYPE_STATION:
2428 /* Use aux roc framework (HS20) */
2429 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2430 vif, duration);
2431 return ret;
2432 case NL80211_IFTYPE_P2P_DEVICE:
2433 /* handle below */
2434 break;
2435 default:
2436 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
8ca151b5
JB		 2437 return -EINVAL;
2438 }
2439
8ca151b5
JB		 2440 mutex_lock(&mvm->mutex);
2441
31d385ae
IP		 2442 for (i = 0; i < NUM_PHY_CTX; i++) {
2443 phy_ctxt = &mvm->phy_ctxts[i];
2444 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2445 continue;
2446
2447 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2448 /*
2449 * Unbind the P2P_DEVICE from the current PHY context,
2450 * and if the PHY context is not used remove it.
2451 */
2452 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2453 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2454 goto out_unlock;
2455
2456 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2457
2458 /* Bind the P2P_DEVICE to the current PHY Context */
2459 mvmvif->phy_ctxt = phy_ctxt;
2460
2461 ret = iwl_mvm_binding_add_vif(mvm, vif);
2462 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2463 goto out_unlock;
2464
2465 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2466 goto schedule_time_event;
2467 }
2468 }
2469
2470 /* Need to update the PHY context only if the ROC channel changed */
2471 if (channel == mvmvif->phy_ctxt->channel)
2472 goto schedule_time_event;
2473
8ca151b5 2474 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2475
31d385ae
IP		 2476 /*
2477 * Change the PHY context configuration as it is currently referenced
2478 * only by the P2P Device MAC
2479 */
2480 if (mvmvif->phy_ctxt->ref == 1) {
2481 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2482 &chandef, 1, 1);
2483 if (ret)
2484 goto out_unlock;
2485 } else {
2486 /*
2487 * The PHY context is shared with other MACs. Need to remove the
2488 * P2P Device from the binding, allocate an new PHY context and
2489 * create a new binding
2490 */
2491 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2492 if (!phy_ctxt) {
2493 ret = -ENOSPC;
2494 goto out_unlock;
2495 }
2496
2497 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2498 1, 1);
2499 if (ret) {
2500 IWL_ERR(mvm, "Failed to change PHY context\n");
2501 goto out_unlock;
2502 }
2503
2504 /* Unbind the P2P_DEVICE from the current PHY context */
2505 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2506 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2507 goto out_unlock;
2508
2509 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2510
2511 /* Bind the P2P_DEVICE to the new allocated PHY context */
2512 mvmvif->phy_ctxt = phy_ctxt;
2513
2514 ret = iwl_mvm_binding_add_vif(mvm, vif);
2515 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2516 goto out_unlock;
2517
2518 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2519 }
2520
2521schedule_time_event:
8ca151b5 2522 /* Schedule the time events */
e635c797 2523 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2524
31d385ae 2525out_unlock:
8ca151b5
JB		 2526 mutex_unlock(&mvm->mutex);
2527 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2528 return ret;
2529}
2530
2531static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2532{
2533 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2534
2535 IWL_DEBUG_MAC80211(mvm, "enter\n");
2536
2537 mutex_lock(&mvm->mutex);
2538 iwl_mvm_stop_p2p_roc(mvm);
2539 mutex_unlock(&mvm->mutex);
2540
2541 IWL_DEBUG_MAC80211(mvm, "leave\n");
2542 return 0;
2543}
2544
b08c1d97
LC		 2545static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2546 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2547{
fe0f2de3
IP		 2548 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2549 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2550 int ret;
2551
b08c1d97
LC		 2552 lockdep_assert_held(&mvm->mutex);
2553
53a9d61e 2554 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2555
fe0f2de3
IP		 2556 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2557 if (!phy_ctxt) {
2558 ret = -ENOSPC;
2559 goto out;
2560 }
8ca151b5 2561
dcbc3e1a 2562 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2563 ctx->rx_chains_static,
2564 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2565 if (ret) {
2566 IWL_ERR(mvm, "Failed to add PHY context\n");
2567 goto out;
2568 }
2569
53a9d61e 2570 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2571 *phy_ctxt_id = phy_ctxt->id;
2572out:
b08c1d97
LC		 2573 return ret;
2574}
2575
2576static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2577 struct ieee80211_chanctx_conf *ctx)
2578{
2579 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2580 int ret;
2581
2582 mutex_lock(&mvm->mutex);
2583 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2584 mutex_unlock(&mvm->mutex);
b08c1d97 2585
8ca151b5
JB		 2586 return ret;
2587}
2588
b08c1d97
LC		 2589static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2590 struct ieee80211_chanctx_conf *ctx)
2591{
2592 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2593 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2594
2595 lockdep_assert_held(&mvm->mutex);
2596
2597 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2598}
2599
8ca151b5
JB		 2600static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2601 struct ieee80211_chanctx_conf *ctx)
2602{
2603 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2604
2605 mutex_lock(&mvm->mutex);
b08c1d97 2606 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2607 mutex_unlock(&mvm->mutex);
2608}
2609
2610static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2611 struct ieee80211_chanctx_conf *ctx,
2612 u32 changed)
2613{
2614 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2615 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2616 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2617
31d385ae
IP		 2618 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2619 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2620 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2621 IEEE80211_CHANCTX_CHANGE_RADAR |
2622 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2623 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2624 phy_ctxt->ref, changed))
2625 return;
2626
8ca151b5 2627 mutex_lock(&mvm->mutex);
4d66449a 2628 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 2629 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2630 ctx->rx_chains_static,
2631 ctx->rx_chains_dynamic);
2632 mutex_unlock(&mvm->mutex);
2633}
2634
b08c1d97
LC		 2635static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2636 struct ieee80211_vif *vif,
f0c97783
LC		 2637 struct ieee80211_chanctx_conf *ctx,
2638 bool switching_chanctx)
8ca151b5 2639{
fe0f2de3
IP		 2640 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2641 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2642 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2643 int ret;
2644
b08c1d97 2645 lockdep_assert_held(&mvm->mutex);
8ca151b5 2646
fe0f2de3 2647 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2648
2649 switch (vif->type) {
2650 case NL80211_IFTYPE_AP:
bd3398e2
AO		 2651 /* Unless it's a CSA flow we have nothing to do here */
2652 if (vif->csa_active) {
2653 mvmvif->ap_ibss_active = true;
2654 break;
2655 }
5023d966 2656 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2657 /*
2658 * The AP binding flow is handled as part of the start_ap flow
5023d966 2659 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2660 */
2661 ret = 0;
b08c1d97 2662 goto out;
8ca151b5 2663 case NL80211_IFTYPE_STATION:
2533edce 2664 break;
8ca151b5 2665 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 2666 /* always disable PS when a monitor interface is active */
2667 mvmvif->ps_disabled = true;
8ca151b5
JB		 2668 break;
2669 default:
2670 ret = -EINVAL;
b08c1d97 2671 goto out;
8ca151b5
JB		 2672 }
2673
2674 ret = iwl_mvm_binding_add_vif(mvm, vif);
2675 if (ret)
b08c1d97 2676 goto out;
8ca151b5
JB		 2677
2678 /*
92d85562
AB		 2679 * Power state must be updated before quotas,
2680 * otherwise fw will complain.
2681 */
999609f1 2682 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 2683
2684 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2685 * interfaces. For the other types, the bss_info changed flow
2686 * will handle quota settings.
2687 */
2688 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2689 mvmvif->monitor_active = true;
0166230c 2690 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2691 if (ret)
2692 goto out_remove_binding;
2693 }
2694
bd3398e2 2695 /* Handle binding during CSA */
f0c97783
LC		 2696 if ((vif->type == NL80211_IFTYPE_AP) ||
2697 (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
0166230c 2698 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 2699 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 2700 }
2701
0ce04ce7
LC		 2702 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
2703 struct iwl_mvm_sta *mvmsta;
2704
2705 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2706 mvmvif->ap_sta_id);
2707
2708 if (WARN_ON(!mvmsta))
2709 goto out;
2710
2711 /* TODO: only re-enable after the first beacon */
2712 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
2713 }
2714
b08c1d97 2715 goto out;
8ca151b5 2716
b08c1d97 2717out_remove_binding:
8ca151b5 2718 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 2719 iwl_mvm_power_update_mac(mvm);
b08c1d97 2720out:
8ca151b5
JB		 2721 if (ret)
2722 mvmvif->phy_ctxt = NULL;
2723 return ret;
2724}
b08c1d97
LC		 2725static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2726 struct ieee80211_vif *vif,
2727 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 2728{
2729 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 2730 int ret;
8ca151b5
JB		 2731
2732 mutex_lock(&mvm->mutex);
f0c97783 2733 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 2734 mutex_unlock(&mvm->mutex);
2735
2736 return ret;
2737}
2738
2739static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2740 struct ieee80211_vif *vif,
f0c97783
LC		 2741 struct ieee80211_chanctx_conf *ctx,
2742 bool switching_chanctx)
b08c1d97
LC		 2743{
2744 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 2745 struct ieee80211_vif *disabled_vif = NULL;
0ce04ce7 2746 struct iwl_mvm_sta *mvmsta;
b08c1d97
LC		 2747
2748 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 2749
2750 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2751
8ca151b5 2752 switch (vif->type) {
5023d966 2753 case NL80211_IFTYPE_ADHOC:
b08c1d97 2754 goto out;
8ca151b5 2755 case NL80211_IFTYPE_MONITOR:
1e1391ca 2756 mvmvif->monitor_active = false;
2533edce 2757 mvmvif->ps_disabled = false;
8ca151b5 2758 break;
bd3398e2
AO		 2759 case NL80211_IFTYPE_AP:
2760 /* This part is triggered only during CSA */
2761 if (!vif->csa_active || !mvmvif->ap_ibss_active)
b08c1d97 2762 goto out;
bd3398e2 2763
003e5236
AO		 2764 /* Set CS bit on all the stations */
2765 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2766
2767 /* Save blocked iface, the timeout is set on the next beacon */
2768 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2769
bd3398e2 2770 mvmvif->ap_ibss_active = false;
f0c97783
LC		 2771 break;
2772 case NL80211_IFTYPE_STATION:
2773 if (!switching_chanctx)
2774 break;
2775
2776 disabled_vif = vif;
2777
0ce04ce7
LC		 2778 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2779 mvmvif->ap_sta_id);
2780
2781 if (!WARN_ON(!mvmsta))
2782 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
2783
3dfd3a97 2784 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 2785 break;
8ca151b5
JB		 2786 default:
2787 break;
2788 }
2789
f0c97783 2790 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 2791 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2792
b08c1d97 2793out:
a11e144e 2794 mvmvif->phy_ctxt = NULL;
999609f1 2795 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 2796}
2797
2798static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2799 struct ieee80211_vif *vif,
2800 struct ieee80211_chanctx_conf *ctx)
2801{
2802 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2803
2804 mutex_lock(&mvm->mutex);
f0c97783 2805 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 2806 mutex_unlock(&mvm->mutex);
2807}
2808
b08c1d97
LC		 2809static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
2810 struct ieee80211_vif_chanctx_switch *vifs,
2811 int n_vifs,
2812 enum ieee80211_chanctx_switch_mode mode)
2813{
2814 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2815 int ret;
2816
2817 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2818 if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
2819 return -EOPNOTSUPP;
2820
2821 mutex_lock(&mvm->mutex);
f0c97783 2822 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 2823 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2824
2825 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2826 if (ret) {
2827 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2828 goto out_reassign;
2829 }
2830
f0c97783
LC		 2831 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2832 true);
b08c1d97
LC		 2833 if (ret) {
2834 IWL_ERR(mvm,
2835 "failed to assign new_ctx during channel switch\n");
2836 goto out_remove;
2837 }
2838
f697267f
AN		 2839 /* we don't support TDLS during DCM - can be caused by channel switch */
2840 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2841 iwl_mvm_teardown_tdls_peers(mvm);
2842
b08c1d97
LC		 2843 goto out;
2844
2845out_remove:
2846 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
2847
2848out_reassign:
2849 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx);
2850 if (ret) {
2851 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
2852 goto out_restart;
2853 }
2854
f0c97783
LC		 2855 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
2856 true);
b08c1d97
LC		 2857 if (ret) {
2858 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
2859 goto out_restart;
2860 }
2861
2862 goto out;
2863
2864out_restart:
2865 /* things keep failing, better restart the hw */
2866 iwl_mvm_nic_restart(mvm, false);
2867
2868out:
2869 mutex_unlock(&mvm->mutex);
2870 return ret;
2871}
2872
8ca151b5
JB		 2873static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2874 struct ieee80211_sta *sta,
2875 bool set)
2876{
2877 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2878 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2879
2880 if (!mvm_sta || !mvm_sta->vif) {
2881 IWL_ERR(mvm, "Station is not associated to a vif\n");
2882 return -EINVAL;
2883 }
2884
2885 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2886}
2887
507cadf2
DS		 2888#ifdef CONFIG_NL80211_TESTMODE
2889static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2890 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2891 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2892 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2893};
2894
2895static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2896 struct ieee80211_vif *vif,
2897 void *data, int len)
2898{
2899 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2900 int err;
2901 u32 noa_duration;
2902
2903 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2904 if (err)
2905 return err;
2906
2907 if (!tb[IWL_MVM_TM_ATTR_CMD])
2908 return -EINVAL;
2909
2910 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2911 case IWL_MVM_TM_CMD_SET_NOA:
2912 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2913 !vif->bss_conf.enable_beacon ||
2914 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2915 return -EINVAL;
2916
2917 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2918 if (noa_duration >= vif->bss_conf.beacon_int)
2919 return -EINVAL;
2920
2921 mvm->noa_duration = noa_duration;
2922 mvm->noa_vif = vif;
2923
0166230c 2924 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 2925 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2926 /* must be associated client vif - ignore authorized */
2927 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2928 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2929 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2930 return -EINVAL;
2931
2932 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 2933 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2934 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 2935 }
2936
2937 return -EOPNOTSUPP;
2938}
2939
2940static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
2941 struct ieee80211_vif *vif,
2942 void *data, int len)
2943{
2944 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2945 int err;
2946
2947 mutex_lock(&mvm->mutex);
2948 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
2949 mutex_unlock(&mvm->mutex);
2950
2951 return err;
2952}
2953#endif
2954
bd3398e2
AO		 2955static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw,
2956 struct ieee80211_vif *vif,
2957 struct cfg80211_chan_def *chandef)
2958{
2959 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 2960 struct ieee80211_vif *csa_vif;
bd3398e2
AO		 2961
2962 mutex_lock(&mvm->mutex);
664322fa
AO		 2963
2964 csa_vif = rcu_dereference_protected(mvm->csa_vif,
2965 lockdep_is_held(&mvm->mutex));
2966 if (WARN(csa_vif && csa_vif->csa_active,
bd3398e2
AO		 2967 "Another CSA is already in progress"))
2968 goto out_unlock;
2969
2970 IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
2971 chandef->center_freq1);
664322fa 2972 rcu_assign_pointer(mvm->csa_vif, vif);
bd3398e2
AO		 2973
2974out_unlock:
2975 mutex_unlock(&mvm->mutex);
2976}
2977
c5b0e7c0
EG		 2978static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
2979 struct ieee80211_vif *vif, u32 queues, bool drop)
2980{
2981 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2982 struct iwl_mvm_vif *mvmvif;
2983 struct iwl_mvm_sta *mvmsta;
2984
2985 if (!vif || vif->type != NL80211_IFTYPE_STATION)
2986 return;
2987
2988 mutex_lock(&mvm->mutex);
2989 mvmvif = iwl_mvm_vif_from_mac80211(vif);
2990 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
2991
2992 if (WARN_ON_ONCE(!mvmsta))
2993 goto done;
2994
2995 if (drop) {
2996 if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))
2997 IWL_ERR(mvm, "flush request fail\n");
2998 } else {
2999 iwl_trans_wait_tx_queue_empty(mvm->trans,
3000 mvmsta->tfd_queue_msk);
3001 }
3002done:
3003 mutex_unlock(&mvm->mutex);
3004}
3005
e5209263 3006const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3007 .tx = iwl_mvm_mac_tx,
3008 .ampdu_action = iwl_mvm_mac_ampdu_action,
3009 .start = iwl_mvm_mac_start,
3010 .restart_complete = iwl_mvm_mac_restart_complete,
3011 .stop = iwl_mvm_mac_stop,
3012 .add_interface = iwl_mvm_mac_add_interface,
3013 .remove_interface = iwl_mvm_mac_remove_interface,
3014 .config = iwl_mvm_mac_config,
e59647ea 3015 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3016 .configure_filter = iwl_mvm_configure_filter,
3017 .bss_info_changed = iwl_mvm_bss_info_changed,
3018 .hw_scan = iwl_mvm_mac_hw_scan,
3019 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3020 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3021 .sta_state = iwl_mvm_mac_sta_state,
3022 .sta_notify = iwl_mvm_mac_sta_notify,
3023 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3024 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3025 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3026 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3027 .conf_tx = iwl_mvm_mac_conf_tx,
3028 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3029 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3030 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3031 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3032 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3033 .set_key = iwl_mvm_mac_set_key,
3034 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3035 .remain_on_channel = iwl_mvm_roc,
3036 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3037 .add_chanctx = iwl_mvm_add_chanctx,
3038 .remove_chanctx = iwl_mvm_remove_chanctx,
3039 .change_chanctx = iwl_mvm_change_chanctx,
3040 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3041 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3042 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3043
5023d966
JB		 3044 .start_ap = iwl_mvm_start_ap_ibss,
3045 .stop_ap = iwl_mvm_stop_ap_ibss,
3046 .join_ibss = iwl_mvm_start_ap_ibss,
3047 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3048
3049 .set_tim = iwl_mvm_set_tim,
3050
bd3398e2
AO		 3051 .channel_switch_beacon = iwl_mvm_channel_switch_beacon,
3052
507cadf2
DS		 3053 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3054
8ca151b5
JB		 3055#ifdef CONFIG_PM_SLEEP
3056 /* look at d3.c */
3057 .suspend = iwl_mvm_suspend,
3058 .resume = iwl_mvm_resume,
3059 .set_wakeup = iwl_mvm_set_wakeup,
3060 .set_rekey_data = iwl_mvm_set_rekey_data,
3061#if IS_ENABLED(CONFIG_IPV6)
3062 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3063#endif
3064 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3065#endif
3066};
Linux 6.x block layer and io_uring tree(s)