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