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iwlwifi: mvm: reduce active dwell time
[thirdparty/linux.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 |
f0c97783 306 IEEE80211_HW_CHANCTX_STA_CSA |
147fc9be 307 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
e8e626ad 308 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
8ca151b5 309
19e737c9 310 hw->queues = mvm->first_agg_queue;
398e8c6c 311 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 312 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
313 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
314 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
8ca151b5
JB		 315 hw->rate_control_algorithm = "iwl-mvm-rs";
316
317 /*
318 * Enable 11w if advertised by firmware and software crypto
319 * is not enabled (as the firmware will interpret some mgmt
320 * packets, so enabling it with software crypto isn't safe)
321 */
322 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
323 !iwlwifi_mod_params.sw_crypto)
324 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
325
1504f48d
MC		 326 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
327 IWL_UCODE_API(mvm->fw->ucode_ver) >= 9 &&
328 !iwlwifi_mod_params.uapsd_disable) {
329 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
330 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
331 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
332 }
e8e626ad 333
fb98be5e
DS		 334 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
335 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
336
8ca151b5
JB		 337 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
338 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 339 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 340
341 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 342 BIT(NL80211_IFTYPE_P2P_CLIENT) |
343 BIT(NL80211_IFTYPE_AP) |
344 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 345 BIT(NL80211_IFTYPE_P2P_DEVICE) |
346 BIT(NL80211_IFTYPE_ADHOC);
5023d966 347
a2f73b6c
LR		 348 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
349 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
350 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 351
3e56eadf
JB		 352 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
353 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
354
bd3398e2
AO		 355 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_CSA_FLOW)
356 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
357
8ca151b5
JB		 358 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
359 hw->wiphy->n_iface_combinations =
360 ARRAY_SIZE(iwl_mvm_iface_combinations);
361
c451e6d4 362 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 363 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
364
365 /* Extract MAC address */
366 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
367 hw->wiphy->addresses = mvm->addresses;
368 hw->wiphy->n_addresses = 1;
831e85f3
IP		 369
370 /* Extract additional MAC addresses if available */
371 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
372 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
373
374 for (i = 1; i < num_mac; i++) {
375 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 376 ETH_ALEN);
831e85f3 377 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 378 hw->wiphy->n_addresses++;
379 }
380
fe0f2de3
IP		 381 iwl_mvm_reset_phy_ctxts(mvm);
382
20f1a5de
DS		 383 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
384
8ca151b5
JB		 385 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
386
387 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
388 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
389 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
390 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
391 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
392 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
393
394 hw->wiphy->hw_version = mvm->trans->hw_id;
395
ade50652 396 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 397 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
398 else
399 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
400
6efaaf33
EG		 401 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
402 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
403 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
404 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
405 /* we create the 802.11 header and zero length SSID IE. */
406 hw->wiphy->max_sched_scan_ie_len =
407 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
408 }
35a000b7 409
8ca151b5 410 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 411 NL80211_FEATURE_LOW_PRIORITY_SCAN |
8a110d9b 412 NL80211_FEATURE_P2P_GO_OPPPS;
8ca151b5
JB		 413
414 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
415
e36e5433 416 /* currently FW API supports only one optional cipher scheme */
9ddca860 417 if (mvm->fw->cs[0].cipher) {
e36e5433 418 mvm->hw->n_cipher_schemes = 1;
9ddca860 419 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 420 }
421
8ca151b5 422#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 423 if (iwl_mvm_is_d0i3_supported(mvm) &&
424 device_can_wakeup(mvm->trans->dev)) {
425 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
426 hw->wiphy->wowlan = &mvm->wowlan;
427 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 428 mvm->trans->ops->d3_suspend &&
429 mvm->trans->ops->d3_resume &&
430 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 431 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
432 WIPHY_WOWLAN_DISCONNECT |
433 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
434 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 435 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 436 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
437 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
438 WIPHY_WOWLAN_4WAY_HANDSHAKE;
439
440 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
441 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
442 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
443 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
444 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 445 }
446#endif
447
77736923
EP		 448#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
449 /* assign default bcast filtering configuration */
450 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
451#endif
452
8ca151b5
JB		 453 ret = iwl_mvm_leds_init(mvm);
454 if (ret)
455 return ret;
456
b7327d89
EG		 457 ret = ieee80211_register_hw(mvm->hw);
458 if (ret)
459 iwl_mvm_leds_exit(mvm);
460
461 return ret;
8ca151b5
JB		 462}
463
b2492501
AN		 464static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
465 struct ieee80211_sta *sta,
466 struct sk_buff *skb)
467{
468 struct iwl_mvm_sta *mvmsta;
469 bool defer = false;
470
471 /*
472 * double check the IN_D0I3 flag both before and after
473 * taking the spinlock, in order to prevent taking
474 * the spinlock when not needed.
475 */
476 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
477 return false;
478
479 spin_lock(&mvm->d0i3_tx_lock);
480 /*
481 * testing the flag again ensures the skb dequeue
482 * loop (on d0i3 exit) hasn't run yet.
483 */
484 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
485 goto out;
486
487 mvmsta = iwl_mvm_sta_from_mac80211(sta);
488 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
489 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
490 goto out;
491
492 __skb_queue_tail(&mvm->d0i3_tx, skb);
493 ieee80211_stop_queues(mvm->hw);
494
495 /* trigger wakeup */
496 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
497 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
498
499 defer = true;
500out:
501 spin_unlock(&mvm->d0i3_tx_lock);
502 return defer;
503}
504
8ca151b5
JB		 505static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
506 struct ieee80211_tx_control *control,
507 struct sk_buff *skb)
508{
509 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 510 struct ieee80211_sta *sta = control->sta;
511 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
512 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 513
9ee718aa
EL		 514 if (iwl_mvm_is_radio_killed(mvm)) {
515 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 516 goto drop;
517 }
518
398e8c6c 519 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 520 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
521 goto drop;
522
3e56eadf
JB		 523 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
524 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
525 ieee80211_is_mgmt(hdr->frame_control) &&
526 !ieee80211_is_deauth(hdr->frame_control) &&
527 !ieee80211_is_disassoc(hdr->frame_control) &&
528 !ieee80211_is_action(hdr->frame_control)))
529 sta = NULL;
530
531 if (sta) {
b2492501
AN		 532 if (iwl_mvm_defer_tx(mvm, sta, skb))
533 return;
3e56eadf 534 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 535 goto drop;
536 return;
537 }
538
539 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
540 goto drop;
541 return;
542 drop:
543 ieee80211_free_txskb(hw, skb);
544}
545
205e2210
EG		 546static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
547{
548 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
549 return false;
550 return true;
551}
552
553static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
554{
555 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
556 return false;
557 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
558 return true;
559
560 /* enabled by default */
561 return true;
562}
563
8ca151b5
JB		 564static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
565 struct ieee80211_vif *vif,
566 enum ieee80211_ampdu_mlme_action action,
567 struct ieee80211_sta *sta, u16 tid,
568 u16 *ssn, u8 buf_size)
569{
570 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
571 int ret;
b2492501 572 bool tx_agg_ref = false;
8ca151b5
JB		 573
574 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
575 sta->addr, tid, action);
576
577 if (!(mvm->nvm_data->sku_cap_11n_enable))
578 return -EACCES;
579
b2492501 580 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 581 switch (action) {
582 case IEEE80211_AMPDU_TX_START:
583 case IEEE80211_AMPDU_TX_STOP_CONT:
584 case IEEE80211_AMPDU_TX_STOP_FLUSH:
585 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
586 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 587 /*
9256c205
EP		 588 * for tx start, wait synchronously until D0i3 exit to
589 * get the correct sequence number for the tid.
590 * additionally, some other ampdu actions use direct
591 * target access, which is not handled automatically
592 * by the trans layer (unlike commands), so wait for
593 * d0i3 exit in these cases as well.
b2492501 594 */
d40fc489
GG		 595 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
596 if (ret)
597 return ret;
598
599 tx_agg_ref = true;
9256c205
EP		 600 break;
601 default:
602 break;
b2492501
AN		 603 }
604
8ca151b5
JB		 605 mutex_lock(&mvm->mutex);
606
607 switch (action) {
608 case IEEE80211_AMPDU_RX_START:
205e2210 609 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 610 ret = -EINVAL;
611 break;
612 }
613 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
614 break;
615 case IEEE80211_AMPDU_RX_STOP:
616 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
617 break;
618 case IEEE80211_AMPDU_TX_START:
205e2210 619 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 620 ret = -EINVAL;
621 break;
622 }
8ca151b5
JB		 623 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
624 break;
625 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 626 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
627 break;
8ca151b5
JB		 628 case IEEE80211_AMPDU_TX_STOP_FLUSH:
629 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 630 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 631 break;
632 case IEEE80211_AMPDU_TX_OPERATIONAL:
633 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
634 break;
635 default:
636 WARN_ON_ONCE(1);
637 ret = -EINVAL;
638 break;
639 }
640 mutex_unlock(&mvm->mutex);
641
b2492501
AN		 642 /*
643 * If the tid is marked as started, we won't use it for offloaded
644 * traffic on the next D0i3 entry. It's safe to unref.
645 */
646 if (tx_agg_ref)
647 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
648
8ca151b5
JB		 649 return ret;
650}
651
652static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
653 struct ieee80211_vif *vif)
654{
655 struct iwl_mvm *mvm = data;
656 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
657
658 mvmvif->uploaded = false;
659 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
660
661 /* does this make sense at all? */
662 mvmvif->color++;
663
664 spin_lock_bh(&mvm->time_event_lock);
665 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
666 spin_unlock_bh(&mvm->time_event_lock);
667
fe0f2de3 668 mvmvif->phy_ctxt = NULL;
8a275bad 669 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 670}
671
655e6d6d 672#ifdef CONFIG_IWLWIFI_DEBUGFS
4bfa47f3 673void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
655e6d6d 674{
4bfa47f3 675 static char *env[] = { "DRIVER=iwlwifi", "EVENT=error_dump", NULL };
655e6d6d
EG		 676 struct iwl_fw_error_dump_file *dump_file;
677 struct iwl_fw_error_dump_data *dump_data;
678 struct iwl_fw_error_dump_info *dump_info;
48eb7b34 679 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d
EG		 680 const struct fw_img *img;
681 u32 sram_len, sram_ofs;
682 u32 file_len, rxf_len;
683 unsigned long flags;
655e6d6d
EG		 684 int reg_val;
685
686 lockdep_assert_held(&mvm->mutex);
687
688 if (mvm->fw_error_dump)
689 return;
690
48eb7b34
EG		 691 fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL);
692 if (!fw_error_dump)
693 return;
694
655e6d6d
EG		 695 img = &mvm->fw->img[mvm->cur_ucode];
696 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
697 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
698
699 /* reading buffer size */
700 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
701 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
702
703 /* the register holds the value divided by 128 */
704 rxf_len = rxf_len << 7;
705
706 file_len = sizeof(*dump_file) +
707 sizeof(*dump_data) * 3 +
708 sram_len +
709 rxf_len +
710 sizeof(*dump_info);
711
5bfe6f53 712 dump_file = vzalloc(file_len);
48eb7b34
EG		 713 if (!dump_file) {
714 kfree(fw_error_dump);
655e6d6d 715 return;
48eb7b34 716 }
655e6d6d 717
48eb7b34 718 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 719
720 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 721 dump_data = (void *)dump_file->data;
722
723 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
724 dump_data->len = cpu_to_le32(sizeof(*dump_info));
725 dump_info = (void *) dump_data->data;
726 dump_info->device_family =
727 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
728 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
729 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
730 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
731 sizeof(dump_info->fw_human_readable));
732 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
733 sizeof(dump_info->dev_human_readable));
734 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
735 sizeof(dump_info->bus_human_readable));
736
737 dump_data = iwl_fw_error_next_data(dump_data);
738 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
739 dump_data->len = cpu_to_le32(rxf_len);
740
741 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
742 u32 *rxf = (void *)dump_data->data;
743 int i;
744
745 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
746 iwl_trans_write_prph(mvm->trans,
747 RXF_LD_FENCE_OFFSET_ADDR,
748 i * sizeof(u32));
749 rxf[i] = iwl_trans_read_prph(mvm->trans,
750 RXF_FIFO_RD_FENCE_ADDR);
751 }
752 iwl_trans_release_nic_access(mvm->trans, &flags);
753 }
754
755 dump_data = iwl_fw_error_next_data(dump_data);
756 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
757 dump_data->len = cpu_to_le32(sram_len);
758 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
759 sram_len);
760
48eb7b34
EG		 761 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
762 fw_error_dump->op_mode_len = file_len;
763 if (fw_error_dump->trans_ptr)
764 file_len += fw_error_dump->trans_ptr->len;
765 dump_file->file_len = cpu_to_le32(file_len);
766 mvm->fw_error_dump = fw_error_dump;
4bfa47f3
EG		 767
768 /* notify the userspace about the error we had */
769 kobject_uevent_env(&mvm->hw->wiphy->dev.kobj, KOBJ_CHANGE, env);
655e6d6d
EG		 770}
771#endif
772
8ca151b5
JB		 773static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
774{
1bd3cbc1
EG		 775 iwl_mvm_fw_error_dump(mvm);
776
8ca151b5 777 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 778
779 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 780 mvm->ps_disabled = false;
8ca151b5
JB		 781
782 /* just in case one was running */
783 ieee80211_remain_on_channel_expired(mvm->hw);
784
785 ieee80211_iterate_active_interfaces_atomic(
786 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
787 iwl_mvm_cleanup_iterator, mvm);
788
fe0f2de3 789 mvm->p2p_device_vif = NULL;
37577fe2 790 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 791
792 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 793 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
794 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
8a275bad
EG		 795 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
796 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
797 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
798 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
799 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
800 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 801
802 ieee80211_wake_queues(mvm->hw);
803
7498cf4c
EP		 804 /* cleanup all stale references (scan, roc), but keep the
805 * ucode_down ref until reconfig is complete */
806 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
807
228670b2
EP		 808 /* clear any stale d0i3 state */
809 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
810
8ca151b5 811 mvm->vif_count = 0;
113a0447 812 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 813}
814
a0a09243 815int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 816{
8ca151b5
JB		 817 int ret;
818
a0a09243 819 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 820
821 /* Clean up some internal and mac80211 state on restart */
822 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
823 iwl_mvm_restart_cleanup(mvm);
824
825 ret = iwl_mvm_up(mvm);
c47af22a
JB		 826
827 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
828 /* Something went wrong - we need to finish some cleanup
829 * that normally iwl_mvm_mac_restart_complete() below
830 * would do.
831 */
832 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
833 iwl_mvm_d0i3_enable_tx(mvm, NULL);
834 }
835
a0a09243
LC		 836 return ret;
837}
838
839static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
840{
841 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
842 int ret;
843
844 mutex_lock(&mvm->mutex);
845 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 846 mutex_unlock(&mvm->mutex);
847
848 return ret;
849}
850
851static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
852{
853 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
854 int ret;
855
856 mutex_lock(&mvm->mutex);
857
858 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 859 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 860 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 861 if (ret)
862 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
863 ret);
864
7498cf4c
EP		 865 /* allow transport/FW low power modes */
866 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
867
8ca151b5
JB		 868 mutex_unlock(&mvm->mutex);
869}
870
a0a09243 871void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 872{
a0a09243 873 lockdep_assert_held(&mvm->mutex);
7498cf4c
EP		 874
875 /* disallow low power states when the FW is down */
876 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
877
8ca151b5
JB		 878 /* async_handlers_wk is now blocked */
879
880 /*
881 * The work item could be running or queued if the
882 * ROC time event stops just as we get here.
883 */
884 cancel_work_sync(&mvm->roc_done_wk);
885
886 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 887
888 iwl_mvm_async_handlers_purge(mvm);
889 /* async_handlers_list is empty and will stay empty: HW is stopped */
890
891 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 892 iwl_mvm_del_aux_sta(mvm);
8ca151b5 893
bc44886d 894 mvm->ucode_loaded = false;
a0a09243 895}
bc44886d 896
a0a09243
LC		 897static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
898{
899 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
900
901 flush_work(&mvm->d0i3_exit_work);
902 flush_work(&mvm->async_handlers_wk);
4bfa47f3 903 flush_work(&mvm->fw_error_dump_wk);
a0a09243
LC		 904
905 mutex_lock(&mvm->mutex);
906 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 907 mutex_unlock(&mvm->mutex);
908
909 /*
910 * The worker might have been waiting for the mutex, let it run and
911 * discover that its list is now empty.
912 */
913 cancel_work_sync(&mvm->async_handlers_wk);
914}
915
fe0f2de3
IP		 916static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
917{
918 u16 i;
919
920 lockdep_assert_held(&mvm->mutex);
921
922 for (i = 0; i < NUM_PHY_CTX; i++)
923 if (!mvm->phy_ctxts[i].ref)
924 return &mvm->phy_ctxts[i];
925
926 IWL_ERR(mvm, "No available PHY context\n");
927 return NULL;
928}
929
ee9c6cb0
EG		 930static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
931 s8 tx_power)
932{
933 /* FW is in charge of regulatory enforcement */
934 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
935 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
936 .pwr_restriction = cpu_to_le16(tx_power),
937 };
938
a1022927 939 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 940 sizeof(reduce_txpwr_cmd),
941 &reduce_txpwr_cmd);
942}
943
8ca151b5
JB		 944static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
945 struct ieee80211_vif *vif)
946{
947 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
948 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
949 int ret;
950
d40fc489
GG		 951 /*
952 * make sure D0i3 exit is completed, otherwise a target access
953 * during tx queue configuration could be done when still in
954 * D0i3 state.
955 */
956 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
957 if (ret)
958 return ret;
959
8ca151b5
JB		 960 /*
961 * Not much to do here. The stack will not allow interface
962 * types or combinations that we didn't advertise, so we
963 * don't really have to check the types.
964 */
965
966 mutex_lock(&mvm->mutex);
967
e89044d7 968 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 969 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
970 if (ret)
971 goto out_unlock;
972
1c2abf72 973 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 974 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
975 mvm->vif_count++;
ea183d02 976
8ca151b5
JB		 977 /*
978 * The AP binding flow can be done only after the beacon
979 * template is configured (which happens only in the mac80211
980 * start_ap() flow), and adding the broadcast station can happen
981 * only after the binding.
982 * In addition, since modifying the MAC before adding a bcast
983 * station is not allowed by the FW, delay the adding of MAC context to
984 * the point where we can also add the bcast station.
985 * In short: there's not much we can do at this point, other than
986 * allocating resources :)
987 */
5023d966
JB		 988 if (vif->type == NL80211_IFTYPE_AP ||
989 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 990 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 991 if (ret) {
992 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
993 goto out_release;
994 }
995
77740cb4 996 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 997 goto out_unlock;
998 }
999
8ca151b5
JB		 1000 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1001 if (ret)
1002 goto out_release;
1003
999609f1 1004 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 1005 if (ret)
1006 goto out_release;
8ca151b5 1007
7df15b1e 1008 /* beacon filtering */
a1022927 1009 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1010 if (ret)
1011 goto out_remove_mac;
1012
7df15b1e 1013 if (!mvm->bf_allowed_vif &&
73e5f2c5 1014 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1015 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1016 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1017 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1018 }
1019
8ca151b5
JB		 1020 /*
1021 * P2P_DEVICE interface does not have a channel context assigned to it,
1022 * so a dedicated PHY context is allocated to it and the corresponding
1023 * MAC context is bound to it at this stage.
1024 */
1025 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1026
fe0f2de3
IP		 1027 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1028 if (!mvmvif->phy_ctxt) {
1029 ret = -ENOSPC;
bd3351ba 1030 goto out_free_bf;
fe0f2de3 1031 }
8ca151b5 1032
53a9d61e 1033 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1034 ret = iwl_mvm_binding_add_vif(mvm, vif);
1035 if (ret)
53a9d61e 1036 goto out_unref_phy;
8ca151b5 1037
013290aa 1038 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1039 if (ret)
1040 goto out_unbind;
1041
1042 /* Save a pointer to p2p device vif, so it can later be used to
1043 * update the p2p device MAC when a GO is started/stopped */
1044 mvm->p2p_device_vif = vif;
1045 }
1046
63494374 1047 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1048 goto out_unlock;
1049
1050 out_unbind:
1051 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1052 out_unref_phy:
fe0f2de3 1053 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1054 out_free_bf:
1055 if (mvm->bf_allowed_vif == mvmvif) {
1056 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1057 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1058 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1059 }
8ca151b5
JB		 1060 out_remove_mac:
1061 mvmvif->phy_ctxt = NULL;
1062 iwl_mvm_mac_ctxt_remove(mvm, vif);
1063 out_release:
5ee2b215
AB		 1064 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1065 mvm->vif_count--;
1c2abf72 1066
8ca151b5
JB		 1067 iwl_mvm_mac_ctxt_release(mvm, vif);
1068 out_unlock:
1069 mutex_unlock(&mvm->mutex);
1070
d40fc489
GG		 1071 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1072
8ca151b5
JB		 1073 return ret;
1074}
1075
38a12b5b
JB		 1076static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1077 struct ieee80211_vif *vif)
8ca151b5 1078{
110cf810 1079 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(mvm, vif);
8ca151b5
JB		 1080
1081 if (tfd_msk) {
1082 mutex_lock(&mvm->mutex);
1083 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1084 mutex_unlock(&mvm->mutex);
1085 }
1086
1087 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1088 /*
1089 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1090 * We assume here that all the packets sent to the OFFCHANNEL
1091 * queue are sent in ROC session.
1092 */
1093 flush_work(&mvm->roc_done_wk);
1094 } else {
1095 /*
1096 * By now, all the AC queues are empty. The AGG queues are
1097 * empty too. We already got all the Tx responses for all the
1098 * packets in the queues. The drain work can have been
0742a75a 1099 * triggered. Flush it.
8ca151b5
JB		 1100 */
1101 flush_work(&mvm->sta_drained_wk);
1102 }
38a12b5b
JB		 1103}
1104
1105static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1106 struct ieee80211_vif *vif)
1107{
1108 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1109 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1110
1111 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1112
1113 mutex_lock(&mvm->mutex);
1114
7df15b1e
HG		 1115 if (mvm->bf_allowed_vif == mvmvif) {
1116 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1117 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1118 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1119 }
1120
63494374
JB		 1121 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1122
8ca151b5
JB		 1123 /*
1124 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1125 * interface is be handled as part of the stop_ap flow.
8ca151b5 1126 */
5023d966
JB		 1127 if (vif->type == NL80211_IFTYPE_AP ||
1128 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1129#ifdef CONFIG_NL80211_TESTMODE
1130 if (vif == mvm->noa_vif) {
1131 mvm->noa_vif = NULL;
1132 mvm->noa_duration = 0;
1133 }
1134#endif
013290aa 1135 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1136 goto out_release;
1137 }
1138
1139 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1140 mvm->p2p_device_vif = NULL;
013290aa 1141 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1142 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1143 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1144 mvmvif->phy_ctxt = NULL;
1145 }
1146
5ee2b215 1147 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1148 mvm->vif_count--;
1c2abf72 1149
999609f1 1150 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1151 iwl_mvm_mac_ctxt_remove(mvm, vif);
1152
1153out_release:
1154 iwl_mvm_mac_ctxt_release(mvm, vif);
1155 mutex_unlock(&mvm->mutex);
1156}
1157
1158static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1159{
8ca151b5
JB		 1160 return 0;
1161}
1162
e59647ea
EP		 1163struct iwl_mvm_mc_iter_data {
1164 struct iwl_mvm *mvm;
1165 int port_id;
1166};
1167
1168static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1169 struct ieee80211_vif *vif)
1170{
1171 struct iwl_mvm_mc_iter_data *data = _data;
1172 struct iwl_mvm *mvm = data->mvm;
1173 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1174 int ret, len;
1175
1176 /* if we don't have free ports, mcast frames will be dropped */
1177 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1178 return;
1179
1180 if (vif->type != NL80211_IFTYPE_STATION ||
1181 !vif->bss_conf.assoc)
1182 return;
1183
1184 cmd->port_id = data->port_id++;
1185 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1186 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1187
1c4abec0 1188 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1189 if (ret)
1190 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1191}
1192
1193static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1194{
1195 struct iwl_mvm_mc_iter_data iter_data = {
1196 .mvm = mvm,
88f2fd73
MG		 1197 };
1198
e59647ea
EP		 1199 lockdep_assert_held(&mvm->mutex);
1200
1201 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1202 return;
1203
1c4abec0 1204 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1205 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1206 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1207}
1208
e59647ea
EP		 1209static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1210 struct netdev_hw_addr_list *mc_list)
8ca151b5 1211{
e59647ea
EP		 1212 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1213 struct iwl_mcast_filter_cmd *cmd;
1214 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1215 int addr_count;
1216 bool pass_all;
e59647ea
EP		 1217 int len;
1218
f3bd58f4
MS		 1219 addr_count = netdev_hw_addr_list_count(mc_list);
1220 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1221 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1222 if (pass_all)
e59647ea 1223 addr_count = 0;
e59647ea
EP		 1224
1225 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1226 cmd = kzalloc(len, GFP_ATOMIC);
1227 if (!cmd)
1228 return 0;
1229
1230 if (pass_all) {
1231 cmd->pass_all = 1;
1232 return (u64)(unsigned long)cmd;
1233 }
1234
1235 netdev_hw_addr_list_for_each(addr, mc_list) {
1236 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1237 cmd->count, addr->addr);
1238 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1239 addr->addr, ETH_ALEN);
1240 cmd->count++;
1241 }
1242
1243 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1244}
1245
1246static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1247 unsigned int changed_flags,
1248 unsigned int *total_flags,
1249 u64 multicast)
1250{
e59647ea
EP		 1251 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1252 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1253
e59647ea 1254 mutex_lock(&mvm->mutex);
51b6b9e0 1255
e59647ea
EP		 1256 /* replace previous configuration */
1257 kfree(mvm->mcast_filter_cmd);
1258 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1259
e59647ea
EP		 1260 if (!cmd)
1261 goto out;
51b6b9e0 1262
e59647ea
EP		 1263 iwl_mvm_recalc_multicast(mvm);
1264out:
1265 mutex_unlock(&mvm->mutex);
1266 *total_flags = 0;
51b6b9e0
EG		 1267}
1268
c87163b9
EP		 1269#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1270struct iwl_bcast_iter_data {
1271 struct iwl_mvm *mvm;
1272 struct iwl_bcast_filter_cmd *cmd;
1273 u8 current_filter;
1274};
1275
1276static void
1277iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1278 const struct iwl_fw_bcast_filter *in_filter,
1279 struct iwl_fw_bcast_filter *out_filter)
1280{
1281 struct iwl_fw_bcast_filter_attr *attr;
1282 int i;
1283
1284 memcpy(out_filter, in_filter, sizeof(*out_filter));
1285
1286 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1287 attr = &out_filter->attrs[i];
1288
1289 if (!attr->mask)
1290 break;
1291
2ee8f021
EP		 1292 switch (attr->reserved1) {
1293 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1294 if (vif->bss_conf.arp_addr_cnt != 1) {
1295 attr->mask = 0;
1296 continue;
1297 }
1298
1299 attr->val = vif->bss_conf.arp_addr_list[0];
1300 break;
1301 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1302 attr->val = *(__be32 *)&vif->addr[2];
1303 break;
1304 default:
1305 break;
1306 }
1307 attr->reserved1 = 0;
c87163b9
EP		 1308 out_filter->num_attrs++;
1309 }
1310}
1311
1312static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1313 struct ieee80211_vif *vif)
1314{
1315 struct iwl_bcast_iter_data *data = _data;
1316 struct iwl_mvm *mvm = data->mvm;
1317 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1318 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1319 struct iwl_fw_bcast_mac *bcast_mac;
1320 int i;
1321
1322 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1323 return;
1324
1325 bcast_mac = &cmd->macs[mvmvif->id];
1326
e48393e8
IP		 1327 /*
1328 * enable filtering only for associated stations, but not for P2P
1329 * Clients
1330 */
1331 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1332 !vif->bss_conf.assoc)
c87163b9
EP		 1333 return;
1334
1335 bcast_mac->default_discard = 1;
1336
1337 /* copy all configured filters */
1338 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1339 /*
1340 * Make sure we don't exceed our filters limit.
1341 * if there is still a valid filter to be configured,
1342 * be on the safe side and just allow bcast for this mac.
1343 */
1344 if (WARN_ON_ONCE(data->current_filter >=
1345 ARRAY_SIZE(cmd->filters))) {
1346 bcast_mac->default_discard = 0;
1347 bcast_mac->attached_filters = 0;
1348 break;
1349 }
1350
1351 iwl_mvm_set_bcast_filter(vif,
1352 &mvm->bcast_filters[i],
1353 &cmd->filters[data->current_filter]);
1354
1355 /* skip current filter if it contains no attributes */
1356 if (!cmd->filters[data->current_filter].num_attrs)
1357 continue;
1358
1359 /* attach the filter to current mac */
1360 bcast_mac->attached_filters |=
1361 cpu_to_le16(BIT(data->current_filter));
1362
1363 data->current_filter++;
1364 }
1365}
1366
de06a59e
EP		 1367bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1368 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1369{
c87163b9
EP		 1370 struct iwl_bcast_iter_data iter_data = {
1371 .mvm = mvm,
de06a59e 1372 .cmd = cmd,
c87163b9
EP		 1373 };
1374
de06a59e
EP		 1375 memset(cmd, 0, sizeof(*cmd));
1376 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1377 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1378
1379#ifdef CONFIG_IWLWIFI_DEBUGFS
1380 /* use debugfs filters/macs if override is configured */
1381 if (mvm->dbgfs_bcast_filtering.override) {
1382 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1383 sizeof(cmd->filters));
1384 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1385 sizeof(cmd->macs));
1386 return true;
1387 }
1388#endif
c87163b9
EP		 1389
1390 /* if no filters are configured, do nothing */
1391 if (!mvm->bcast_filters)
de06a59e 1392 return false;
c87163b9
EP		 1393
1394 /* configure and attach these filters for each associated sta vif */
1395 ieee80211_iterate_active_interfaces(
1396 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1397 iwl_mvm_bcast_filter_iterator, &iter_data);
1398
de06a59e
EP		 1399 return true;
1400}
1401static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1402 struct ieee80211_vif *vif)
1403{
1404 struct iwl_bcast_filter_cmd cmd;
1405
1406 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1407 return 0;
1408
1409 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1410 return 0;
1411
a1022927 1412 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1413 sizeof(cmd), &cmd);
1414}
1415#else
1416static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1417 struct ieee80211_vif *vif)
1418{
1419 return 0;
1420}
1421#endif
1422
f697267f
AN		 1423static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)
1424{
1425 struct ieee80211_sta *sta;
1426 struct iwl_mvm_sta *mvmsta;
1427 int i;
1428
1429 lockdep_assert_held(&mvm->mutex);
1430
1431 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
1432 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
1433 lockdep_is_held(&mvm->mutex));
1434 if (!sta || IS_ERR(sta) || !sta->tdls)
1435 continue;
1436
1437 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1438 ieee80211_tdls_oper_request(mvmsta->vif, sta->addr,
1439 NL80211_TDLS_TEARDOWN,
1440 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED,
1441 GFP_KERNEL);
1442 }
1443}
1444
8ca151b5
JB		 1445static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1446 struct ieee80211_vif *vif,
1447 struct ieee80211_bss_conf *bss_conf,
1448 u32 changes)
1449{
1450 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1451 int ret;
1452
6e97b0d2
IP		 1453 /*
1454 * Re-calculate the tsf id, as the master-slave relations depend on the
1455 * beacon interval, which was not known when the station interface was
1456 * added.
1457 */
1458 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1459 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1460
3dfd3a97
JB		 1461 /*
1462 * If we're not associated yet, take the (new) BSSID before associating
1463 * so the firmware knows. If we're already associated, then use the old
1464 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1465 * branch for disassociation below.
1466 */
1467 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1468 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1469
1470 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1471 if (ret)
1472 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1473
3dfd3a97
JB		 1474 /* after sending it once, adopt mac80211 data */
1475 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1476 mvmvif->associated = bss_conf->assoc;
1477
8ca151b5
JB		 1478 if (changes & BSS_CHANGED_ASSOC) {
1479 if (bss_conf->assoc) {
1480 /* add quota for this interface */
0166230c 1481 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1482 if (ret) {
1483 IWL_ERR(mvm, "failed to update quotas\n");
1484 return;
1485 }
016d27e1
JB		 1486
1487 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1488 &mvm->status)) {
1489 /*
1490 * If we're restarting then the firmware will
1491 * obviously have lost synchronisation with
1492 * the AP. It will attempt to synchronise by
1493 * itself, but we can make it more reliable by
1494 * scheduling a session protection time event.
1495 *
1496 * The firmware needs to receive a beacon to
1497 * catch up with synchronisation, use 110% of
1498 * the beacon interval.
1499 *
1500 * Set a large maximum delay to allow for more
1501 * than a single interface.
1502 */
1503 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1504 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1505 5 * dur, false);
016d27e1 1506 }
1f3b0ff8
LE		 1507
1508 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1509 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1510 if (vif->p2p) {
29a90a49 1511 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1512 iwl_mvm_update_smps(mvm, vif,
1513 IWL_MVM_SMPS_REQ_PROT,
1514 IEEE80211_SMPS_DYNAMIC);
1515 }
8ca151b5 1516 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1517 /*
1518 * If update fails - SF might be running in associated
1519 * mode while disassociated - which is forbidden.
1520 */
1521 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1522 "Failed to update SF upon disassociation\n");
1523
8ca151b5
JB		 1524 /* remove AP station now that the MAC is unassoc */
1525 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1526 if (ret)
1527 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1528
1529 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1530 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1531 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1532 /* remove quota for this interface */
0166230c 1533 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1534 if (ret)
1535 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1536
1537 if (vif->p2p)
1538 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1539
1540 /* this will take the cleared BSSID from bss_conf */
1541 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1542 if (ret)
1543 IWL_ERR(mvm,
1544 "failed to update MAC %pM (clear after unassoc)\n",
1545 vif->addr);
8ca151b5 1546 }
a20fd398 1547
e59647ea 1548 iwl_mvm_recalc_multicast(mvm);
c87163b9 1549 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1550
a20fd398
AO		 1551 /* reset rssi values */
1552 mvmvif->bf_data.ave_beacon_signal = 0;
1553
8e484f0b 1554 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1555 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1556 IEEE80211_SMPS_AUTOMATIC);
989c6505 1557 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1558 /*
1559 * We received a beacon _after_ association so
1560 * remove the session protection.
1561 */
1562 iwl_mvm_remove_time_event(mvm, mvmvif,
1563 &mvmvif->time_event_data);
8ca151b5 1564 }
cc87d322
EH		 1565
1566 if (changes & BSS_CHANGED_BEACON_INFO) {
1567 iwl_mvm_sf_update(mvm, vif, false);
1568 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1569 }
1570
1bc10d3b
JB		 1571 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1572 ret = iwl_mvm_power_update_mac(mvm);
1573 if (ret)
1574 IWL_ERR(mvm, "failed to update power mode\n");
1575 }
1576
88f2fd73
MG		 1577 if (changes & BSS_CHANGED_TXPOWER) {
1578 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1579 bss_conf->txpower);
1580 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1581 }
a20fd398
AO		 1582
1583 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1584 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1585 /* reset cqm events tracking */
1586 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1587 if (mvmvif->bf_data.bf_enabled) {
1588 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1589 if (ret)
1590 IWL_ERR(mvm,
1591 "failed to update CQM thresholds\n");
1592 }
a20fd398 1593 }
2ee8f021
EP		 1594
1595 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1596 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1597 iwl_mvm_configure_bcast_filter(mvm, vif);
1598 }
8ca151b5
JB		 1599}
1600
5023d966
JB		 1601static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1602 struct ieee80211_vif *vif)
8ca151b5
JB		 1603{
1604 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1605 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1606 int ret;
1607
576eeee9
EP		 1608 /*
1609 * iwl_mvm_mac_ctxt_add() might read directly from the device
1610 * (the system time), so make sure it is available.
1611 */
1612 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1613 if (ret)
1614 return ret;
1615
8ca151b5
JB		 1616 mutex_lock(&mvm->mutex);
1617
1618 /* Send the beacon template */
1619 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1620 if (ret)
1621 goto out_unlock;
1622
6e97b0d2
IP		 1623 /*
1624 * Re-calculate the tsf id, as the master-slave relations depend on the
1625 * beacon interval, which was not known when the AP interface was added.
1626 */
1627 if (vif->type == NL80211_IFTYPE_AP)
1628 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1629
8ca151b5
JB		 1630 /* Add the mac context */
1631 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1632 if (ret)
1633 goto out_unlock;
1634
1635 /* Perform the binding */
1636 ret = iwl_mvm_binding_add_vif(mvm, vif);
1637 if (ret)
1638 goto out_remove;
1639
8ca151b5
JB		 1640 /* Send the bcast station. At this stage the TBTT and DTIM time events
1641 * are added and applied to the scheduler */
013290aa 1642 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1643 if (ret)
1644 goto out_unbind;
1645
5691e218
IP		 1646 /* must be set before quota calculations */
1647 mvmvif->ap_ibss_active = true;
1648
a11e144e 1649 /* power updated needs to be done before quotas */
999609f1 1650 iwl_mvm_power_update_mac(mvm);
a11e144e 1651
0166230c 1652 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1653 if (ret)
a11e144e 1654 goto out_quota_failed;
8ca151b5 1655
5023d966 1656 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1657 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1658 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1659
29a90a49
EP		 1660 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1661
8e484f0b 1662 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1663
f697267f
AN		 1664 /* we don't support TDLS during DCM */
1665 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1666 iwl_mvm_teardown_tdls_peers(mvm);
1667
8ca151b5
JB		 1668 mutex_unlock(&mvm->mutex);
1669 return 0;
1670
a11e144e 1671out_quota_failed:
999609f1 1672 iwl_mvm_power_update_mac(mvm);
5691e218 1673 mvmvif->ap_ibss_active = false;
013290aa 1674 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 1675out_unbind:
1676 iwl_mvm_binding_remove_vif(mvm, vif);
1677out_remove:
1678 iwl_mvm_mac_ctxt_remove(mvm, vif);
1679out_unlock:
1680 mutex_unlock(&mvm->mutex);
576eeee9 1681 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 1682 return ret;
1683}
1684
5023d966
JB		 1685static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1686 struct ieee80211_vif *vif)
8ca151b5
JB		 1687{
1688 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1689 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1690
38a12b5b
JB		 1691 iwl_mvm_prepare_mac_removal(mvm, vif);
1692
8ca151b5
JB		 1693 mutex_lock(&mvm->mutex);
1694
664322fa 1695 /* Handle AP stop while in CSA */
7f0a7c67
AO		 1696 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1697 iwl_mvm_remove_time_event(mvm, mvmvif,
1698 &mvmvif->time_event_data);
664322fa 1699 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 1700 }
664322fa 1701
003e5236
AO		 1702 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1703 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1704 mvm->csa_tx_block_bcn_timeout = 0;
1705 }
1706
5023d966 1707 mvmvif->ap_ibss_active = false;
1c87bbad 1708 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 1709
8e484f0b 1710 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1711
29a90a49
EP		 1712 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1713
5023d966 1714 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1715 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1716 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1717
0166230c 1718 iwl_mvm_update_quotas(mvm, NULL);
013290aa 1719 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 1720 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 1721
999609f1 1722 iwl_mvm_power_update_mac(mvm);
a11e144e 1723
8ca151b5
JB		 1724 iwl_mvm_mac_ctxt_remove(mvm, vif);
1725
1726 mutex_unlock(&mvm->mutex);
1727}
1728
5023d966
JB		 1729static void
1730iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1731 struct ieee80211_vif *vif,
1732 struct ieee80211_bss_conf *bss_conf,
1733 u32 changes)
8ca151b5 1734{
be2056fc 1735 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 1736
be2056fc
IP		 1737 /* Changes will be applied when the AP/IBSS is started */
1738 if (!mvmvif->ap_ibss_active)
1739 return;
1740
863230da
JB		 1741 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
1742 BSS_CHANGED_BANDWIDTH) &&
3dfd3a97 1743 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 1744 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 1745
8ca151b5 1746 /* Need to send a new beacon template to the FW */
863230da
JB		 1747 if (changes & BSS_CHANGED_BEACON &&
1748 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1749 IWL_WARN(mvm, "Failed updating beacon data\n");
8ca151b5
JB		 1750}
1751
1752static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1753 struct ieee80211_vif *vif,
1754 struct ieee80211_bss_conf *bss_conf,
1755 u32 changes)
1756{
1757 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1758
576eeee9
EP		 1759 /*
1760 * iwl_mvm_bss_info_changed_station() might call
1761 * iwl_mvm_protect_session(), which reads directly from
1762 * the device (the system time), so make sure it is available.
1763 */
1764 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1765 return;
1766
8ca151b5
JB		 1767 mutex_lock(&mvm->mutex);
1768
723f02ed 1769 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 1770 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 1771
8ca151b5
JB		 1772 switch (vif->type) {
1773 case NL80211_IFTYPE_STATION:
1774 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1775 break;
1776 case NL80211_IFTYPE_AP:
5023d966
JB		 1777 case NL80211_IFTYPE_ADHOC:
1778 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1779 break;
1780 default:
1781 /* shouldn't happen */
1782 WARN_ON_ONCE(1);
1783 }
1784
1785 mutex_unlock(&mvm->mutex);
576eeee9 1786 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 1787}
1788
4660dfbb
EP		 1789static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1790 enum iwl_scan_status scan_type)
1791{
1792 int ret;
1793 bool wait_for_handlers = false;
1794
1795 mutex_lock(&mvm->mutex);
1796
1797 if (mvm->scan_status != scan_type) {
1798 ret = 0;
1799 /* make sure there are no pending notifications */
1800 wait_for_handlers = true;
1801 goto out;
1802 }
1803
1804 switch (scan_type) {
1805 case IWL_MVM_SCAN_SCHED:
1806 ret = iwl_mvm_scan_offload_stop(mvm, true);
1807 break;
1808 case IWL_MVM_SCAN_OS:
1809 ret = iwl_mvm_cancel_scan(mvm);
1810 break;
1811 case IWL_MVM_SCAN_NONE:
1812 default:
1813 WARN_ON_ONCE(1);
1814 ret = -EINVAL;
1815 break;
1816 }
1817 if (ret)
1818 goto out;
1819
1820 wait_for_handlers = true;
1821out:
1822 mutex_unlock(&mvm->mutex);
1823
1824 /* make sure we consume the completion notification */
1825 if (wait_for_handlers)
1826 iwl_mvm_wait_for_async_handlers(mvm);
1827
1828 return ret;
1829}
8ca151b5
JB		 1830static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1831 struct ieee80211_vif *vif,
c56ef672 1832 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 1833{
1834 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 1835 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 1836 int ret;
1837
762533ba
DS		 1838 if (req->n_channels == 0 ||
1839 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 1840 return -EINVAL;
1841
4660dfbb
EP		 1842 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1843 if (ret)
1844 return ret;
1845
8ca151b5
JB		 1846 mutex_lock(&mvm->mutex);
1847
4660dfbb 1848 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 1849 ret = -EBUSY;
519e2026
AN		 1850 goto out;
1851 }
8ca151b5 1852
519e2026
AN		 1853 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1854
fb98be5e
DS		 1855 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1856 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1857 else
1858 ret = iwl_mvm_scan_request(mvm, vif, req);
1859
519e2026
AN		 1860 if (ret)
1861 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1862out:
8ca151b5 1863 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1864 return ret;
1865}
1866
1867static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1868 struct ieee80211_vif *vif)
1869{
1870 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1871
1872 mutex_lock(&mvm->mutex);
1873
1874 iwl_mvm_cancel_scan(mvm);
1875
1876 mutex_unlock(&mvm->mutex);
1877}
1878
1879static void
1880iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1881 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1882 int num_frames,
1883 enum ieee80211_frame_release_type reason,
1884 bool more_data)
1885{
1886 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1887
3e56eadf 1888 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1889
3e56eadf
JB		 1890 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1891 tids, more_data, false);
1892}
1893
1894static void
1895iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1896 struct ieee80211_sta *sta, u16 tids,
1897 int num_frames,
1898 enum ieee80211_frame_release_type reason,
1899 bool more_data)
1900{
1901 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1902
1903 /* Called when we need to transmit (a) frame(s) from agg queue */
1904
1905 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1906 tids, more_data, true);
8ca151b5
JB		 1907}
1908
1909static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1910 struct ieee80211_vif *vif,
1911 enum sta_notify_cmd cmd,
1912 struct ieee80211_sta *sta)
1913{
1914 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1915 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1916 int tid;
8ca151b5
JB		 1917
1918 switch (cmd) {
1919 case STA_NOTIFY_SLEEP:
e3d4bc8c 1920 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1921 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1922 spin_lock_bh(&mvmsta->lock);
1923 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1924 struct iwl_mvm_tid_data *tid_data;
1925
1926 tid_data = &mvmsta->tid_data[tid];
1927 if (tid_data->state != IWL_AGG_ON &&
1928 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1929 continue;
1930 if (iwl_mvm_tid_queued(tid_data) == 0)
1931 continue;
1932 ieee80211_sta_set_buffered(sta, tid, true);
1933 }
1934 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1935 /*
1936 * The fw updates the STA to be asleep. Tx packets on the Tx
1937 * queues to this station will not be transmitted. The fw will
1938 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1939 */
1940 break;
1941 case STA_NOTIFY_AWAKE:
881acd89 1942 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1943 break;
9cc40712 1944 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1945 break;
1946 default:
1947 break;
1948 }
1949}
1950
1ddbbb0c
JB		 1951static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1952 struct ieee80211_vif *vif,
1953 struct ieee80211_sta *sta)
1954{
1955 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1956 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1957
1958 /*
1959 * This is called before mac80211 does RCU synchronisation,
1960 * so here we already invalidate our internal RCU-protected
1961 * station pointer. The rest of the code will thus no longer
1962 * be able to find the station this way, and we don't rely
1963 * on further RCU synchronisation after the sta_state()
1964 * callback deleted the station.
1965 */
1966 mutex_lock(&mvm->mutex);
1967 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1968 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1969 ERR_PTR(-ENOENT));
1970 mutex_unlock(&mvm->mutex);
1971}
1972
fa3d07e4 1973int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
cf7b491d
AN		 1974{
1975 struct ieee80211_sta *sta;
fa3d07e4 1976 struct iwl_mvm_sta *mvmsta;
cf7b491d
AN		 1977 int count = 0;
1978 int i;
1979
1980 lockdep_assert_held(&mvm->mutex);
1981
1982 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
1983 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
1984 lockdep_is_held(&mvm->mutex));
1985 if (!sta || IS_ERR(sta) || !sta->tdls)
1986 continue;
1987
fa3d07e4
AN		 1988 if (vif) {
1989 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1990 if (mvmsta->vif != vif)
1991 continue;
1992 }
1993
cf7b491d
AN		 1994 count++;
1995 }
1996
1997 return count;
1998}
1999
fa3d07e4
AN		 2000static void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm,
2001 struct ieee80211_vif *vif,
2002 bool sta_added)
2003{
2004 int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);
2005
2006 /*
2007 * Disable ps when the first TDLS sta is added and re-enable it
2008 * when the last TDLS sta is removed
2009 */
2010 if ((tdls_sta_cnt == 1 && sta_added) ||
2011 (tdls_sta_cnt == 0 && !sta_added))
2012 iwl_mvm_power_update_mac(mvm);
2013}
2014
8ca151b5
JB		 2015static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2016 struct ieee80211_vif *vif,
2017 struct ieee80211_sta *sta,
2018 enum ieee80211_sta_state old_state,
2019 enum ieee80211_sta_state new_state)
2020{
2021 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2022 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2023 int ret;
2024
2025 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2026 sta->addr, old_state, new_state);
2027
2028 /* this would be a mac80211 bug ... but don't crash */
2029 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2030 return -EINVAL;
2031
2032 /* if a STA is being removed, reuse its ID */
2033 flush_work(&mvm->sta_drained_wk);
2034
2035 mutex_lock(&mvm->mutex);
2036 if (old_state == IEEE80211_STA_NOTEXIST &&
2037 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2038 /*
2039 * Firmware bug - it'll crash if the beacon interval is less
2040 * than 16. We can't avoid connecting at all, so refuse the
2041 * station state change, this will cause mac80211 to abandon
2042 * attempts to connect to this AP, and eventually wpa_s will
2043 * blacklist the AP...
2044 */
2045 if (vif->type == NL80211_IFTYPE_STATION &&
2046 vif->bss_conf.beacon_int < 16) {
2047 IWL_ERR(mvm,
2048 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2049 sta->addr, vif->bss_conf.beacon_int);
2050 ret = -EINVAL;
2051 goto out_unlock;
2052 }
cf7b491d
AN		 2053
2054 if (sta->tdls &&
2055 (vif->p2p ||
fa3d07e4
AN		 2056 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2057 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2058 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2059 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2060 ret = -EBUSY;
2061 goto out_unlock;
2062 }
2063
8ca151b5 2064 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2065 if (sta->tdls && ret == 0)
2066 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2067 } else if (old_state == IEEE80211_STA_NONE &&
2068 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2069 /*
2070 * EBS may be disabled due to previous failures reported by FW.
2071 * Reset EBS status here assuming environment has been changed.
2072 */
2073 mvm->last_ebs_successful = true;
8ca151b5
JB		 2074 ret = 0;
2075 } else if (old_state == IEEE80211_STA_AUTH &&
2076 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2077 ret = iwl_mvm_update_sta(mvm, vif, sta);
2078 if (ret == 0)
2079 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2080 mvmvif->phy_ctxt->channel->band,
2081 true);
8ca151b5
JB		 2082 } else if (old_state == IEEE80211_STA_ASSOC &&
2083 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2084
2085 /* we don't support TDLS during DCM */
2086 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2087 iwl_mvm_teardown_tdls_peers(mvm);
2088
7df15b1e 2089 /* enable beacon filtering */
fa7b2e7f 2090 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2091 ret = 0;
2092 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2093 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2094 /* disable beacon filtering */
a1022927 2095 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2096 ret = 0;
2097 } else if (old_state == IEEE80211_STA_ASSOC &&
2098 new_state == IEEE80211_STA_AUTH) {
2099 ret = 0;
2100 } else if (old_state == IEEE80211_STA_AUTH &&
2101 new_state == IEEE80211_STA_NONE) {
2102 ret = 0;
2103 } else if (old_state == IEEE80211_STA_NONE &&
2104 new_state == IEEE80211_STA_NOTEXIST) {
2105 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2106 if (sta->tdls)
2107 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2108 } else {
2109 ret = -EIO;
2110 }
48bc1307 2111 out_unlock:
8ca151b5
JB		 2112 mutex_unlock(&mvm->mutex);
2113
2114 return ret;
2115}
2116
2117static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2118{
2119 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2120
2121 mvm->rts_threshold = value;
2122
2123 return 0;
2124}
2125
1f3b0ff8
LE		 2126static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2127 struct ieee80211_vif *vif,
2128 struct ieee80211_sta *sta, u32 changed)
2129{
2130 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2131
2132 if (vif->type == NL80211_IFTYPE_STATION &&
2133 changed & IEEE80211_RC_NSS_CHANGED)
2134 iwl_mvm_sf_update(mvm, vif, false);
2135}
2136
8ca151b5
JB		 2137static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2138 struct ieee80211_vif *vif, u16 ac,
2139 const struct ieee80211_tx_queue_params *params)
2140{
2141 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2142 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2143
2144 mvmvif->queue_params[ac] = *params;
2145
2146 /*
2147 * No need to update right away, we'll get BSS_CHANGED_QOS
2148 * The exception is P2P_DEVICE interface which needs immediate update.
2149 */
2150 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2151 int ret;
2152
2153 mutex_lock(&mvm->mutex);
3dfd3a97 2154 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2155 mutex_unlock(&mvm->mutex);
2156 return ret;
2157 }
2158 return 0;
2159}
2160
2161static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2162 struct ieee80211_vif *vif)
2163{
2164 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2165 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2166 200 + vif->bss_conf.beacon_int);
2167 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2168 100 + vif->bss_conf.beacon_int);
2169
2170 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2171 return;
2172
576eeee9
EP		 2173 /*
2174 * iwl_mvm_protect_session() reads directly from the device
2175 * (the system time), so make sure it is available.
2176 */
2177 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2178 return;
2179
8ca151b5
JB		 2180 mutex_lock(&mvm->mutex);
2181 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2182 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2183 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2184
2185 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2186}
2187
07ecd897
AN		 2188static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
2189 struct ieee80211_vif *vif)
2190{
2191 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2192 u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int;
2193
576eeee9
EP		 2194 /*
2195 * iwl_mvm_protect_session() reads directly from the device
2196 * (the system time), so make sure it is available.
2197 */
2198 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS))
2199 return;
2200
07ecd897
AN		 2201 mutex_lock(&mvm->mutex);
2202 /* Protect the session to hear the TDLS setup response on the channel */
d20d37bc 2203 iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);
07ecd897 2204 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2205
2206 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS);
07ecd897
AN		 2207}
2208
35a000b7
DS		 2209static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2210 struct ieee80211_vif *vif,
2211 struct cfg80211_sched_scan_request *req,
633e2713 2212 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2213{
2214 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2215 int ret;
2216
4660dfbb
EP		 2217 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2218 if (ret)
2219 return ret;
2220
35a000b7
DS		 2221 mutex_lock(&mvm->mutex);
2222
b538b8ce 2223 if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2224 ret = -EBUSY;
2225 goto out;
2226 }
2227
4660dfbb 2228 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2229 ret = -EBUSY;
2230 goto out;
2231 }
2232
2233 mvm->scan_status = IWL_MVM_SCAN_SCHED;
2234
fb98be5e
DS		 2235 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
2236 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
2237 if (ret)
2238 goto err;
2239 }
35a000b7
DS		 2240
2241 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
2242 if (ret)
2243 goto err;
2244
fb98be5e
DS		 2245 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
2246 ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
2247 else
2248 ret = iwl_mvm_sched_scan_start(mvm, req);
2249
35a000b7
DS		 2250 if (!ret)
2251 goto out;
2252err:
2253 mvm->scan_status = IWL_MVM_SCAN_NONE;
2254out:
2255 mutex_unlock(&mvm->mutex);
2256 return ret;
2257}
2258
37e3308c
JB		 2259static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2260 struct ieee80211_vif *vif)
35a000b7
DS		 2261{
2262 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2263 int ret;
35a000b7
DS		 2264
2265 mutex_lock(&mvm->mutex);
fb98be5e 2266 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2267 mutex_unlock(&mvm->mutex);
33ea27f6 2268 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2269
33ea27f6 2270 return ret;
35a000b7
DS		 2271}
2272
8ca151b5
JB		 2273static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2274 enum set_key_cmd cmd,
2275 struct ieee80211_vif *vif,
2276 struct ieee80211_sta *sta,
2277 struct ieee80211_key_conf *key)
2278{
2279 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2280 int ret;
2281
2282 if (iwlwifi_mod_params.sw_crypto) {
2283 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2284 return -EOPNOTSUPP;
2285 }
2286
2287 switch (key->cipher) {
2288 case WLAN_CIPHER_SUITE_TKIP:
2289 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2290 /* fall-through */
2291 case WLAN_CIPHER_SUITE_CCMP:
2292 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2293 break;
2294 case WLAN_CIPHER_SUITE_AES_CMAC:
2295 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2296 break;
2297 case WLAN_CIPHER_SUITE_WEP40:
2298 case WLAN_CIPHER_SUITE_WEP104:
2299 /*
2300 * Support for TX only, at least for now, so accept
2301 * the key and do nothing else. Then mac80211 will
2302 * pass it for TX but we don't have to use it for RX.
2303 */
2304 return 0;
2305 default:
e36e5433
MS		 2306 /* currently FW supports only one optional cipher scheme */
2307 if (hw->n_cipher_schemes &&
2308 hw->cipher_schemes->cipher == key->cipher)
2309 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2310 else
2311 return -EOPNOTSUPP;
8ca151b5
JB		 2312 }
2313
2314 mutex_lock(&mvm->mutex);
2315
2316 switch (cmd) {
2317 case SET_KEY:
5023d966
JB		 2318 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2319 vif->type == NL80211_IFTYPE_AP) && !sta) {
2320 /*
2321 * GTK on AP interface is a TX-only key, return 0;
2322 * on IBSS they're per-station and because we're lazy
2323 * we don't support them for RX, so do the same.
2324 */
6caffd4f
JB		 2325 ret = 0;
2326 key->hw_key_idx = STA_KEY_IDX_INVALID;
2327 break;
2328 }
2329
8ca151b5
JB		 2330 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2331 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2332 if (ret) {
2333 IWL_WARN(mvm, "set key failed\n");
2334 /*
2335 * can't add key for RX, but we don't need it
2336 * in the device for TX so still return 0
2337 */
6caffd4f 2338 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2339 ret = 0;
2340 }
2341
2342 break;
2343 case DISABLE_KEY:
6caffd4f
JB		 2344 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2345 ret = 0;
2346 break;
2347 }
2348
8ca151b5
JB		 2349 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2350 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2351 break;
2352 default:
2353 ret = -EINVAL;
2354 }
2355
2356 mutex_unlock(&mvm->mutex);
2357 return ret;
2358}
2359
2360static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2361 struct ieee80211_vif *vif,
2362 struct ieee80211_key_conf *keyconf,
2363 struct ieee80211_sta *sta,
2364 u32 iv32, u16 *phase1key)
2365{
2366 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2367
5023d966
JB		 2368 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2369 return;
2370
8ca151b5
JB		 2371 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2372}
2373
2374
b112889c
AM		 2375static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2376 struct iwl_rx_packet *pkt, void *data)
2377{
2378 struct iwl_mvm *mvm =
2379 container_of(notif_wait, struct iwl_mvm, notif_wait);
2380 struct iwl_hs20_roc_res *resp;
2381 int resp_len = iwl_rx_packet_payload_len(pkt);
2382 struct iwl_mvm_time_event_data *te_data = data;
2383
2384 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2385 return true;
2386
2387 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2388 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2389 return true;
2390 }
2391
2392 resp = (void *)pkt->data;
2393
2394 IWL_DEBUG_TE(mvm,
2395 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2396 resp->status, resp->event_unique_id);
2397
2398 te_data->uid = le32_to_cpu(resp->event_unique_id);
2399 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2400 te_data->uid);
2401
2402 spin_lock_bh(&mvm->time_event_lock);
2403 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2404 spin_unlock_bh(&mvm->time_event_lock);
2405
2406 return true;
2407}
2408
2409#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2410static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2411 struct ieee80211_channel *channel,
2412 struct ieee80211_vif *vif,
2413 int duration)
2414{
2415 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2416 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2417 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2418 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2419 struct iwl_notification_wait wait_time_event;
2420 struct iwl_hs20_roc_req aux_roc_req = {
2421 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2422 .id_and_color =
2423 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2424 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2425 /* Set the channel info data */
2426 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2427 PHY_BAND_24 : PHY_BAND_5,
2428 .channel_info.channel = channel->hw_value,
2429 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2430 /* Set the time and duration */
2431 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2432 .apply_time_max_delay =
2433 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2434 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2435 };
2436
2437 /* Set the node address */
2438 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2439
2440 te_data->vif = vif;
2441 te_data->duration = duration;
2442 te_data->id = HOT_SPOT_CMD;
2443
2444 lockdep_assert_held(&mvm->mutex);
2445
2446 spin_lock_bh(&mvm->time_event_lock);
2447 list_add_tail(&te_data->list, &mvm->time_event_list);
2448 spin_unlock_bh(&mvm->time_event_lock);
2449
2450 /*
2451 * Use a notification wait, which really just processes the
2452 * command response and doesn't wait for anything, in order
2453 * to be able to process the response and get the UID inside
2454 * the RX path. Using CMD_WANT_SKB doesn't work because it
2455 * stores the buffer and then wakes up this thread, by which
2456 * time another notification (that the time event started)
2457 * might already be processed unsuccessfully.
2458 */
2459 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2460 time_event_response,
2461 ARRAY_SIZE(time_event_response),
2462 iwl_mvm_rx_aux_roc, te_data);
2463
2464 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2465 &aux_roc_req);
2466
2467 if (res) {
2468 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2469 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2470 goto out_clear_te;
2471 }
2472
2473 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2474 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2475 /* should never fail */
2476 WARN_ON_ONCE(res);
2477
2478 if (res) {
2479 out_clear_te:
2480 spin_lock_bh(&mvm->time_event_lock);
2481 iwl_mvm_te_clear_data(mvm, te_data);
2482 spin_unlock_bh(&mvm->time_event_lock);
2483 }
2484
2485 return res;
2486}
2487
8ca151b5
JB		 2488static int iwl_mvm_roc(struct ieee80211_hw *hw,
2489 struct ieee80211_vif *vif,
2490 struct ieee80211_channel *channel,
d339d5ca
IP		 2491 int duration,
2492 enum ieee80211_roc_type type)
8ca151b5
JB		 2493{
2494 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2495 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2496 struct cfg80211_chan_def chandef;
31d385ae
IP		 2497 struct iwl_mvm_phy_ctxt *phy_ctxt;
2498 int ret, i;
2499
2500 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2501 duration, type);
8ca151b5 2502
b112889c
AM		 2503 switch (vif->type) {
2504 case NL80211_IFTYPE_STATION:
2505 /* Use aux roc framework (HS20) */
2506 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2507 vif, duration);
2508 return ret;
2509 case NL80211_IFTYPE_P2P_DEVICE:
2510 /* handle below */
2511 break;
2512 default:
2513 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
8ca151b5
JB		 2514 return -EINVAL;
2515 }
2516
8ca151b5
JB		 2517 mutex_lock(&mvm->mutex);
2518
31d385ae
IP		 2519 for (i = 0; i < NUM_PHY_CTX; i++) {
2520 phy_ctxt = &mvm->phy_ctxts[i];
2521 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2522 continue;
2523
2524 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2525 /*
2526 * Unbind the P2P_DEVICE from the current PHY context,
2527 * and if the PHY context is not used remove it.
2528 */
2529 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2530 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2531 goto out_unlock;
2532
2533 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2534
2535 /* Bind the P2P_DEVICE to the current PHY Context */
2536 mvmvif->phy_ctxt = phy_ctxt;
2537
2538 ret = iwl_mvm_binding_add_vif(mvm, vif);
2539 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2540 goto out_unlock;
2541
2542 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2543 goto schedule_time_event;
2544 }
2545 }
2546
2547 /* Need to update the PHY context only if the ROC channel changed */
2548 if (channel == mvmvif->phy_ctxt->channel)
2549 goto schedule_time_event;
2550
8ca151b5 2551 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2552
31d385ae
IP		 2553 /*
2554 * Change the PHY context configuration as it is currently referenced
2555 * only by the P2P Device MAC
2556 */
2557 if (mvmvif->phy_ctxt->ref == 1) {
2558 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2559 &chandef, 1, 1);
2560 if (ret)
2561 goto out_unlock;
2562 } else {
2563 /*
2564 * The PHY context is shared with other MACs. Need to remove the
2565 * P2P Device from the binding, allocate an new PHY context and
2566 * create a new binding
2567 */
2568 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2569 if (!phy_ctxt) {
2570 ret = -ENOSPC;
2571 goto out_unlock;
2572 }
2573
2574 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2575 1, 1);
2576 if (ret) {
2577 IWL_ERR(mvm, "Failed to change PHY context\n");
2578 goto out_unlock;
2579 }
2580
2581 /* Unbind the P2P_DEVICE from the current PHY context */
2582 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2583 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2584 goto out_unlock;
2585
2586 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2587
2588 /* Bind the P2P_DEVICE to the new allocated PHY context */
2589 mvmvif->phy_ctxt = phy_ctxt;
2590
2591 ret = iwl_mvm_binding_add_vif(mvm, vif);
2592 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2593 goto out_unlock;
2594
2595 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2596 }
2597
2598schedule_time_event:
8ca151b5 2599 /* Schedule the time events */
e635c797 2600 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2601
31d385ae 2602out_unlock:
8ca151b5
JB		 2603 mutex_unlock(&mvm->mutex);
2604 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2605 return ret;
2606}
2607
2608static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2609{
2610 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2611
2612 IWL_DEBUG_MAC80211(mvm, "enter\n");
2613
2614 mutex_lock(&mvm->mutex);
2615 iwl_mvm_stop_p2p_roc(mvm);
2616 mutex_unlock(&mvm->mutex);
2617
2618 IWL_DEBUG_MAC80211(mvm, "leave\n");
2619 return 0;
2620}
2621
b08c1d97
LC		 2622static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2623 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2624{
fe0f2de3
IP		 2625 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2626 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2627 int ret;
2628
b08c1d97
LC		 2629 lockdep_assert_held(&mvm->mutex);
2630
53a9d61e 2631 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2632
fe0f2de3
IP		 2633 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2634 if (!phy_ctxt) {
2635 ret = -ENOSPC;
2636 goto out;
2637 }
8ca151b5 2638
dcbc3e1a 2639 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2640 ctx->rx_chains_static,
2641 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2642 if (ret) {
2643 IWL_ERR(mvm, "Failed to add PHY context\n");
2644 goto out;
2645 }
2646
53a9d61e 2647 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2648 *phy_ctxt_id = phy_ctxt->id;
2649out:
b08c1d97
LC		 2650 return ret;
2651}
2652
2653static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2654 struct ieee80211_chanctx_conf *ctx)
2655{
2656 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2657 int ret;
2658
2659 mutex_lock(&mvm->mutex);
2660 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2661 mutex_unlock(&mvm->mutex);
b08c1d97 2662
8ca151b5
JB		 2663 return ret;
2664}
2665
b08c1d97
LC		 2666static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2667 struct ieee80211_chanctx_conf *ctx)
2668{
2669 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2670 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2671
2672 lockdep_assert_held(&mvm->mutex);
2673
2674 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2675}
2676
8ca151b5
JB		 2677static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2678 struct ieee80211_chanctx_conf *ctx)
2679{
2680 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2681
2682 mutex_lock(&mvm->mutex);
b08c1d97 2683 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2684 mutex_unlock(&mvm->mutex);
2685}
2686
2687static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2688 struct ieee80211_chanctx_conf *ctx,
2689 u32 changed)
2690{
2691 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2692 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2693 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2694
31d385ae
IP		 2695 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2696 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2697 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2698 IEEE80211_CHANCTX_CHANGE_RADAR |
2699 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2700 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2701 phy_ctxt->ref, changed))
2702 return;
2703
8ca151b5 2704 mutex_lock(&mvm->mutex);
4d66449a 2705 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 2706 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2707 ctx->rx_chains_static,
2708 ctx->rx_chains_dynamic);
2709 mutex_unlock(&mvm->mutex);
2710}
2711
b08c1d97
LC		 2712static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2713 struct ieee80211_vif *vif,
f0c97783
LC		 2714 struct ieee80211_chanctx_conf *ctx,
2715 bool switching_chanctx)
8ca151b5 2716{
fe0f2de3
IP		 2717 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2718 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2719 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2720 int ret;
2721
b08c1d97 2722 lockdep_assert_held(&mvm->mutex);
8ca151b5 2723
fe0f2de3 2724 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2725
2726 switch (vif->type) {
2727 case NL80211_IFTYPE_AP:
bd3398e2
AO		 2728 /* Unless it's a CSA flow we have nothing to do here */
2729 if (vif->csa_active) {
2730 mvmvif->ap_ibss_active = true;
2731 break;
2732 }
5023d966 2733 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2734 /*
2735 * The AP binding flow is handled as part of the start_ap flow
5023d966 2736 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2737 */
2738 ret = 0;
b08c1d97 2739 goto out;
8ca151b5 2740 case NL80211_IFTYPE_STATION:
2533edce 2741 break;
8ca151b5 2742 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 2743 /* always disable PS when a monitor interface is active */
2744 mvmvif->ps_disabled = true;
8ca151b5
JB		 2745 break;
2746 default:
2747 ret = -EINVAL;
b08c1d97 2748 goto out;
8ca151b5
JB		 2749 }
2750
2751 ret = iwl_mvm_binding_add_vif(mvm, vif);
2752 if (ret)
b08c1d97 2753 goto out;
8ca151b5
JB		 2754
2755 /*
92d85562
AB		 2756 * Power state must be updated before quotas,
2757 * otherwise fw will complain.
2758 */
999609f1 2759 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 2760
2761 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2762 * interfaces. For the other types, the bss_info changed flow
2763 * will handle quota settings.
2764 */
2765 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2766 mvmvif->monitor_active = true;
0166230c 2767 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2768 if (ret)
2769 goto out_remove_binding;
2770 }
2771
bd3398e2 2772 /* Handle binding during CSA */
f0c97783
LC		 2773 if ((vif->type == NL80211_IFTYPE_AP) ||
2774 (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
0166230c 2775 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 2776 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 2777 }
2778
0ce04ce7
LC		 2779 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
2780 struct iwl_mvm_sta *mvmsta;
2781
2782 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2783 mvmvif->ap_sta_id);
2784
2785 if (WARN_ON(!mvmsta))
2786 goto out;
2787
2788 /* TODO: only re-enable after the first beacon */
2789 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
2790 }
2791
b08c1d97 2792 goto out;
8ca151b5 2793
b08c1d97 2794out_remove_binding:
8ca151b5 2795 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 2796 iwl_mvm_power_update_mac(mvm);
b08c1d97 2797out:
8ca151b5
JB		 2798 if (ret)
2799 mvmvif->phy_ctxt = NULL;
2800 return ret;
2801}
b08c1d97
LC		 2802static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2803 struct ieee80211_vif *vif,
2804 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 2805{
2806 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 2807 int ret;
8ca151b5
JB		 2808
2809 mutex_lock(&mvm->mutex);
f0c97783 2810 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 2811 mutex_unlock(&mvm->mutex);
2812
2813 return ret;
2814}
2815
2816static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2817 struct ieee80211_vif *vif,
f0c97783
LC		 2818 struct ieee80211_chanctx_conf *ctx,
2819 bool switching_chanctx)
b08c1d97
LC		 2820{
2821 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 2822 struct ieee80211_vif *disabled_vif = NULL;
0ce04ce7 2823 struct iwl_mvm_sta *mvmsta;
b08c1d97
LC		 2824
2825 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 2826
2827 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2828
8ca151b5 2829 switch (vif->type) {
5023d966 2830 case NL80211_IFTYPE_ADHOC:
b08c1d97 2831 goto out;
8ca151b5 2832 case NL80211_IFTYPE_MONITOR:
1e1391ca 2833 mvmvif->monitor_active = false;
2533edce 2834 mvmvif->ps_disabled = false;
8ca151b5 2835 break;
bd3398e2
AO		 2836 case NL80211_IFTYPE_AP:
2837 /* This part is triggered only during CSA */
2838 if (!vif->csa_active || !mvmvif->ap_ibss_active)
b08c1d97 2839 goto out;
bd3398e2 2840
003e5236
AO		 2841 /* Set CS bit on all the stations */
2842 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2843
2844 /* Save blocked iface, the timeout is set on the next beacon */
2845 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2846
bd3398e2 2847 mvmvif->ap_ibss_active = false;
f0c97783
LC		 2848 break;
2849 case NL80211_IFTYPE_STATION:
2850 if (!switching_chanctx)
2851 break;
2852
2853 disabled_vif = vif;
2854
0ce04ce7
LC		 2855 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2856 mvmvif->ap_sta_id);
2857
2858 if (!WARN_ON(!mvmsta))
2859 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
2860
3dfd3a97 2861 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 2862 break;
8ca151b5
JB		 2863 default:
2864 break;
2865 }
2866
f0c97783 2867 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 2868 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2869
b08c1d97 2870out:
a11e144e 2871 mvmvif->phy_ctxt = NULL;
999609f1 2872 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 2873}
2874
2875static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2876 struct ieee80211_vif *vif,
2877 struct ieee80211_chanctx_conf *ctx)
2878{
2879 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2880
2881 mutex_lock(&mvm->mutex);
f0c97783 2882 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 2883 mutex_unlock(&mvm->mutex);
2884}
2885
b08c1d97
LC		 2886static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
2887 struct ieee80211_vif_chanctx_switch *vifs,
2888 int n_vifs,
2889 enum ieee80211_chanctx_switch_mode mode)
2890{
2891 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2892 int ret;
2893
2894 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2895 if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
2896 return -EOPNOTSUPP;
2897
2898 mutex_lock(&mvm->mutex);
f0c97783 2899 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 2900 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2901
2902 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2903 if (ret) {
2904 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2905 goto out_reassign;
2906 }
2907
f0c97783
LC		 2908 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2909 true);
b08c1d97
LC		 2910 if (ret) {
2911 IWL_ERR(mvm,
2912 "failed to assign new_ctx during channel switch\n");
2913 goto out_remove;
2914 }
2915
f697267f
AN		 2916 /* we don't support TDLS during DCM - can be caused by channel switch */
2917 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2918 iwl_mvm_teardown_tdls_peers(mvm);
2919
b08c1d97
LC		 2920 goto out;
2921
2922out_remove:
2923 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
2924
2925out_reassign:
2926 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx);
2927 if (ret) {
2928 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
2929 goto out_restart;
2930 }
2931
f0c97783
LC		 2932 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
2933 true);
b08c1d97
LC		 2934 if (ret) {
2935 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
2936 goto out_restart;
2937 }
2938
2939 goto out;
2940
2941out_restart:
2942 /* things keep failing, better restart the hw */
2943 iwl_mvm_nic_restart(mvm, false);
2944
2945out:
2946 mutex_unlock(&mvm->mutex);
2947 return ret;
2948}
2949
8ca151b5
JB		 2950static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2951 struct ieee80211_sta *sta,
2952 bool set)
2953{
2954 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2955 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2956
2957 if (!mvm_sta || !mvm_sta->vif) {
2958 IWL_ERR(mvm, "Station is not associated to a vif\n");
2959 return -EINVAL;
2960 }
2961
2962 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2963}
2964
507cadf2
DS		 2965#ifdef CONFIG_NL80211_TESTMODE
2966static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2967 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2968 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2969 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2970};
2971
2972static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2973 struct ieee80211_vif *vif,
2974 void *data, int len)
2975{
2976 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2977 int err;
2978 u32 noa_duration;
2979
2980 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2981 if (err)
2982 return err;
2983
2984 if (!tb[IWL_MVM_TM_ATTR_CMD])
2985 return -EINVAL;
2986
2987 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2988 case IWL_MVM_TM_CMD_SET_NOA:
2989 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2990 !vif->bss_conf.enable_beacon ||
2991 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2992 return -EINVAL;
2993
2994 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2995 if (noa_duration >= vif->bss_conf.beacon_int)
2996 return -EINVAL;
2997
2998 mvm->noa_duration = noa_duration;
2999 mvm->noa_vif = vif;
3000
0166230c 3001 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 3002 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3003 /* must be associated client vif - ignore authorized */
3004 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3005 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3006 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3007 return -EINVAL;
3008
3009 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 3010 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3011 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3012 }
3013
3014 return -EOPNOTSUPP;
3015}
3016
3017static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3018 struct ieee80211_vif *vif,
3019 void *data, int len)
3020{
3021 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3022 int err;
3023
3024 mutex_lock(&mvm->mutex);
3025 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3026 mutex_unlock(&mvm->mutex);
3027
3028 return err;
3029}
3030#endif
3031
bd3398e2
AO		 3032static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw,
3033 struct ieee80211_vif *vif,
3034 struct cfg80211_chan_def *chandef)
3035{
3036 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3037 struct ieee80211_vif *csa_vif;
bd3398e2
AO		 3038
3039 mutex_lock(&mvm->mutex);
664322fa
AO		 3040
3041 csa_vif = rcu_dereference_protected(mvm->csa_vif,
3042 lockdep_is_held(&mvm->mutex));
3043 if (WARN(csa_vif && csa_vif->csa_active,
bd3398e2
AO		 3044 "Another CSA is already in progress"))
3045 goto out_unlock;
3046
3047 IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
3048 chandef->center_freq1);
664322fa 3049 rcu_assign_pointer(mvm->csa_vif, vif);
bd3398e2
AO		 3050
3051out_unlock:
3052 mutex_unlock(&mvm->mutex);
3053}
3054
c5b0e7c0
EG		 3055static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3056 struct ieee80211_vif *vif, u32 queues, bool drop)
3057{
3058 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3059 struct iwl_mvm_vif *mvmvif;
3060 struct iwl_mvm_sta *mvmsta;
3061
3062 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3063 return;
3064
3065 mutex_lock(&mvm->mutex);
3066 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3067 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
3068
3069 if (WARN_ON_ONCE(!mvmsta))
3070 goto done;
3071
3072 if (drop) {
3073 if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))
3074 IWL_ERR(mvm, "flush request fail\n");
3075 } else {
3076 iwl_trans_wait_tx_queue_empty(mvm->trans,
3077 mvmsta->tfd_queue_msk);
3078 }
3079done:
3080 mutex_unlock(&mvm->mutex);
3081}
3082
e5209263 3083const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3084 .tx = iwl_mvm_mac_tx,
3085 .ampdu_action = iwl_mvm_mac_ampdu_action,
3086 .start = iwl_mvm_mac_start,
3087 .restart_complete = iwl_mvm_mac_restart_complete,
3088 .stop = iwl_mvm_mac_stop,
3089 .add_interface = iwl_mvm_mac_add_interface,
3090 .remove_interface = iwl_mvm_mac_remove_interface,
3091 .config = iwl_mvm_mac_config,
e59647ea 3092 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3093 .configure_filter = iwl_mvm_configure_filter,
3094 .bss_info_changed = iwl_mvm_bss_info_changed,
3095 .hw_scan = iwl_mvm_mac_hw_scan,
3096 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3097 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3098 .sta_state = iwl_mvm_mac_sta_state,
3099 .sta_notify = iwl_mvm_mac_sta_notify,
3100 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3101 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3102 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3103 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3104 .conf_tx = iwl_mvm_mac_conf_tx,
3105 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3106 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3107 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3108 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3109 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3110 .set_key = iwl_mvm_mac_set_key,
3111 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3112 .remain_on_channel = iwl_mvm_roc,
3113 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3114 .add_chanctx = iwl_mvm_add_chanctx,
3115 .remove_chanctx = iwl_mvm_remove_chanctx,
3116 .change_chanctx = iwl_mvm_change_chanctx,
3117 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3118 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3119 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3120
5023d966
JB		 3121 .start_ap = iwl_mvm_start_ap_ibss,
3122 .stop_ap = iwl_mvm_stop_ap_ibss,
3123 .join_ibss = iwl_mvm_start_ap_ibss,
3124 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3125
3126 .set_tim = iwl_mvm_set_tim,
3127
bd3398e2
AO		 3128 .channel_switch_beacon = iwl_mvm_channel_switch_beacon,
3129
507cadf2
DS		 3130 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3131
8ca151b5
JB		 3132#ifdef CONFIG_PM_SLEEP
3133 /* look at d3.c */
3134 .suspend = iwl_mvm_suspend,
3135 .resume = iwl_mvm_resume,
3136 .set_wakeup = iwl_mvm_set_wakeup,
3137 .set_rekey_data = iwl_mvm_set_rekey_data,
3138#if IS_ENABLED(CONFIG_IPV6)
3139 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3140#endif
3141 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3142#endif
3143};
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