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iwlwifi: mvm: remove unused field in iwl_mvm_tid_data
[deliverable/linux.git] / drivers / net / wireless / intel / 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:
cb2f8277 29 * Intel Linux Wireless <linuxwifi@intel.com>
8ca151b5
JB		 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>
aadede6e 72#include <linux/devcoredump.h>
2f89a5d7 73#include <linux/time.h>
8ca151b5 74#include <net/mac80211.h>
7b1dd048 75#include <net/ieee80211_radiotap.h>
f0c2646a 76#include <net/tcp.h>
8ca151b5
JB		 77
78#include "iwl-op-mode.h"
79#include "iwl-io.h"
80#include "mvm.h"
81#include "sta.h"
82#include "time-event.h"
83#include "iwl-eeprom-parse.h"
8ca151b5 84#include "iwl-phy-db.h"
507cadf2 85#include "testmode.h"
655e6d6d
EG		 86#include "iwl-fw-error-dump.h"
87#include "iwl-prph.h"
363039be 88#include "iwl-csr.h"
88931cc9 89#include "iwl-nvm-parse.h"
2f89a5d7 90#include "fw-dbg.h"
8ca151b5
JB		 91
92static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
93 {
94 .max = 1,
8eb38710 95 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 96 },
3c15a0fb
JB		 97 {
98 .max = 1,
8eb38710
IP		 99 .types = BIT(NL80211_IFTYPE_AP) |
100 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 101 BIT(NL80211_IFTYPE_P2P_GO),
102 },
103 {
104 .max = 1,
105 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
106 },
8ca151b5
JB		 107};
108
109static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
110 {
2624a5ca 111 .num_different_channels = 2,
8ca151b5
JB		 112 .max_interfaces = 3,
113 .limits = iwl_mvm_limits,
114 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
115 },
116};
117
f0c2646a
JB		 118#ifdef CONFIG_PM_SLEEP
119static const struct nl80211_wowlan_tcp_data_token_feature
120iwl_mvm_wowlan_tcp_token_feature = {
121 .min_len = 0,
122 .max_len = 255,
123 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
124};
125
126static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
127 .tok = &iwl_mvm_wowlan_tcp_token_feature,
128 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
129 sizeof(struct ethhdr) -
130 sizeof(struct iphdr) -
131 sizeof(struct tcphdr),
132 .data_interval_max = 65535, /* __le16 in API */
133 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
134 sizeof(struct ethhdr) -
135 sizeof(struct iphdr) -
136 sizeof(struct tcphdr),
137 .seq = true,
138};
139#endif
140
77736923 141#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 142/*
143 * Use the reserved field to indicate magic values.
144 * these values will only be used internally by the driver,
145 * and won't make it to the fw (reserved will be 0).
146 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
147 * be the vif's ip address. in case there is not a single
148 * ip address (0, or more than 1), this attribute will
149 * be skipped.
150 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
151 * the LSB bytes of the vif's mac address
152 */
153enum {
154 BC_FILTER_MAGIC_NONE = 0,
155 BC_FILTER_MAGIC_IP,
156 BC_FILTER_MAGIC_MAC,
157};
158
77736923
EP		 159static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
160 {
161 /* arp */
162 .discard = 0,
163 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
164 .attrs = {
165 {
166 /* frame type - arp, hw type - ethernet */
167 .offset_type =
168 BCAST_FILTER_OFFSET_PAYLOAD_START,
169 .offset = sizeof(rfc1042_header),
170 .val = cpu_to_be32(0x08060001),
171 .mask = cpu_to_be32(0xffffffff),
172 },
2ee8f021
EP		 173 {
174 /* arp dest ip */
175 .offset_type =
176 BCAST_FILTER_OFFSET_PAYLOAD_START,
177 .offset = sizeof(rfc1042_header) + 2 +
178 sizeof(struct arphdr) +
179 ETH_ALEN + sizeof(__be32) +
180 ETH_ALEN,
181 .mask = cpu_to_be32(0xffffffff),
182 /* mark it as special field */
183 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
184 },
185 },
186 },
187 {
188 /* dhcp offer bcast */
189 .discard = 0,
190 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
191 .attrs = {
192 {
193 /* udp dest port - 68 (bootp client)*/
194 .offset_type = BCAST_FILTER_OFFSET_IP_END,
195 .offset = offsetof(struct udphdr, dest),
196 .val = cpu_to_be32(0x00440000),
197 .mask = cpu_to_be32(0xffff0000),
198 },
199 {
200 /* dhcp - lsb bytes of client hw address */
201 .offset_type = BCAST_FILTER_OFFSET_IP_END,
202 .offset = 38,
203 .mask = cpu_to_be32(0xffffffff),
204 /* mark it as special field */
205 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
206 },
77736923
EP		 207 },
208 },
209 /* last filter must be empty */
210 {},
211};
212#endif
213
7498cf4c
EP		 214void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
215{
7bb426ea 216 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 217 return;
218
219 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 220 spin_lock_bh(&mvm->refs_lock);
221 mvm->refs[ref_type]++;
222 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 223 iwl_trans_ref(mvm->trans);
224}
225
226void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
227{
7bb426ea 228 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 229 return;
230
231 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 232 spin_lock_bh(&mvm->refs_lock);
233 WARN_ON(!mvm->refs[ref_type]--);
234 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 235 iwl_trans_unref(mvm->trans);
236}
237
576eeee9
EP		 238static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
239 enum iwl_mvm_ref_type except_ref)
7498cf4c 240{
576eeee9 241 int i, j;
7498cf4c 242
7bb426ea 243 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 244 return;
245
576eeee9
EP		 246 spin_lock_bh(&mvm->refs_lock);
247 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
248 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 249 continue;
250
576eeee9
EP		 251 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
252 i, mvm->refs[i]);
253 for (j = 0; j < mvm->refs[i]; j++)
254 iwl_trans_unref(mvm->trans);
255 mvm->refs[i] = 0;
7498cf4c 256 }
576eeee9 257 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 258}
259
f4cf8680
EP		 260bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
261{
262 int i;
263 bool taken = false;
264
265 if (!iwl_mvm_is_d0i3_supported(mvm))
266 return true;
267
268 spin_lock_bh(&mvm->refs_lock);
269 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
270 if (mvm->refs[i]) {
271 taken = true;
272 break;
273 }
274 }
275 spin_unlock_bh(&mvm->refs_lock);
276
277 return taken;
278}
279
576eeee9 280int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 281{
282 iwl_mvm_ref(mvm, ref_type);
283
284 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
285 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
286 HZ)) {
287 WARN_ON_ONCE(1);
288 iwl_mvm_unref(mvm, ref_type);
289 return -EIO;
290 }
291
292 return 0;
293}
294
fe0f2de3
IP		 295static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
296{
297 int i;
298
299 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
300 for (i = 0; i < NUM_PHY_CTX; i++) {
301 mvm->phy_ctxts[i].id = i;
302 mvm->phy_ctxts[i].ref = 0;
303 }
304}
305
88931cc9 306struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
8ba2d7a1 307 const char *alpha2,
47c8b154
JD		 308 enum iwl_mcc_source src_id,
309 bool *changed)
88931cc9
AN		 310{
311 struct ieee80211_regdomain *regd = NULL;
312 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
313 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
314 struct iwl_mcc_update_resp *resp;
315
316 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
317
8ba2d7a1 318 lockdep_assert_held(&mvm->mutex);
88931cc9 319
8ba2d7a1 320 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
88931cc9
AN		 321 if (IS_ERR_OR_NULL(resp)) {
322 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
b8c474d9 323 PTR_ERR_OR_ZERO(resp));
8ba2d7a1 324 goto out;
88931cc9
AN		 325 }
326
47c8b154
JD		 327 if (changed)
328 *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
329
162ee3c9 330 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
88931cc9
AN		 331 __le32_to_cpu(resp->n_channels),
332 resp->channels,
333 __le16_to_cpu(resp->mcc));
8ba2d7a1
EH		 334 /* Store the return source id */
335 src_id = resp->source_id;
88931cc9
AN		 336 kfree(resp);
337 if (IS_ERR_OR_NULL(regd)) {
338 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
b8c474d9 339 PTR_ERR_OR_ZERO(regd));
8ba2d7a1 340 goto out;
88931cc9
AN		 341 }
342
8ba2d7a1
EH		 343 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
344 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
88931cc9 345 mvm->lar_regdom_set = true;
8ba2d7a1 346 mvm->mcc_src = src_id;
88931cc9 347
8ba2d7a1 348out:
88931cc9
AN		 349 return regd;
350}
351
47c8b154
JD		 352void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
353{
354 bool changed;
355 struct ieee80211_regdomain *regd;
356
357 if (!iwl_mvm_is_lar_supported(mvm))
358 return;
359
360 regd = iwl_mvm_get_current_regdomain(mvm, &changed);
361 if (!IS_ERR_OR_NULL(regd)) {
362 /* only update the regulatory core if changed */
363 if (changed)
364 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
365
366 kfree(regd);
367 }
368}
369
370struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
371 bool *changed)
8ba2d7a1
EH		 372{
373 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
374 iwl_mvm_is_wifi_mcc_supported(mvm) ?
375 MCC_SOURCE_GET_CURRENT :
47c8b154 376 MCC_SOURCE_OLD_FW, changed);
8ba2d7a1
EH		 377}
378
379int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
380{
381 enum iwl_mcc_source used_src;
382 struct ieee80211_regdomain *regd;
b6e160ab
AN		 383 int ret;
384 bool changed;
8ba2d7a1
EH		 385 const struct ieee80211_regdomain *r =
386 rtnl_dereference(mvm->hw->wiphy->regd);
387
388 if (!r)
b6e160ab 389 return -ENOENT;
8ba2d7a1
EH		 390
391 /* save the last source in case we overwrite it below */
392 used_src = mvm->mcc_src;
393 if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
394 /* Notify the firmware we support wifi location updates */
47c8b154 395 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
8ba2d7a1
EH		 396 if (!IS_ERR_OR_NULL(regd))
397 kfree(regd);
398 }
399
400 /* Now set our last stored MCC and source */
b6e160ab
AN		 401 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
402 &changed);
8ba2d7a1
EH		 403 if (IS_ERR_OR_NULL(regd))
404 return -EIO;
405
b6e160ab
AN		 406 /* update cfg80211 if the regdomain was changed */
407 if (changed)
408 ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
409 else
410 ret = 0;
8ba2d7a1 411
b6e160ab
AN		 412 kfree(regd);
413 return ret;
8ba2d7a1
EH		 414}
415
8ca151b5
JB		 416int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
417{
418 struct ieee80211_hw *hw = mvm->hw;
831e85f3 419 int num_mac, ret, i;
5f4c02e2
JB		 420 static const u32 mvm_ciphers[] = {
421 WLAN_CIPHER_SUITE_WEP40,
422 WLAN_CIPHER_SUITE_WEP104,
423 WLAN_CIPHER_SUITE_TKIP,
424 WLAN_CIPHER_SUITE_CCMP,
425 };
8ca151b5
JB		 426
427 /* Tell mac80211 our characteristics */
30686bf7
JB		 428 ieee80211_hw_set(hw, SIGNAL_DBM);
429 ieee80211_hw_set(hw, SPECTRUM_MGMT);
430 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
431 ieee80211_hw_set(hw, QUEUE_CONTROL);
432 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
433 ieee80211_hw_set(hw, SUPPORTS_PS);
434 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
435 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
436 ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
437 ieee80211_hw_set(hw, CONNECTION_MONITOR);
438 ieee80211_hw_set(hw, CHANCTX_STA_CSA);
439 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
440 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
909ddf0b 441 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
30433d3b 442 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
8ca151b5 443
2d7cf549
JB		 444 if (mvm->trans->max_skb_frags)
445 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
446
19e737c9 447 hw->queues = mvm->first_agg_queue;
398e8c6c 448 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 449 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
450 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
339b3086
ES		 451 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
452 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
8ca151b5 453 hw->rate_control_algorithm = "iwl-mvm-rs";
848955cc
JB		 454 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
455 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
8ca151b5 456
5f4c02e2
JB		 457 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 2);
458 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
459 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
460 hw->wiphy->cipher_suites = mvm->ciphers;
461
8ca151b5
JB		 462 /*
463 * Enable 11w if advertised by firmware and software crypto
464 * is not enabled (as the firmware will interpret some mgmt
465 * packets, so enabling it with software crypto isn't safe)
466 */
467 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
5f4c02e2 468 !iwlwifi_mod_params.sw_crypto) {
30686bf7 469 ieee80211_hw_set(hw, MFP_CAPABLE);
5f4c02e2
JB		 470 mvm->ciphers[hw->wiphy->n_cipher_suites] =
471 WLAN_CIPHER_SUITE_AES_CMAC;
472 hw->wiphy->n_cipher_suites++;
473 }
474
475 /* currently FW API supports only one optional cipher scheme */
476 if (mvm->fw->cs[0].cipher) {
477 mvm->hw->n_cipher_schemes = 1;
478 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
479 mvm->ciphers[hw->wiphy->n_cipher_suites] =
480 mvm->fw->cs[0].cipher;
481 hw->wiphy->n_cipher_suites++;
482 }
8ca151b5 483
30686bf7 484 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
1f940386
LC		 485 hw->wiphy->features |=
486 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
3db93420
JB		 487 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
488 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
fb98be5e 489
8ca151b5
JB		 490 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
491 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 492 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 493
494 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 495 BIT(NL80211_IFTYPE_P2P_CLIENT) |
496 BIT(NL80211_IFTYPE_AP) |
497 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 498 BIT(NL80211_IFTYPE_P2P_DEVICE) |
499 BIT(NL80211_IFTYPE_ADHOC);
5023d966 500
a2f73b6c 501 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
8ba2d7a1
EH		 502 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
503 if (iwl_mvm_is_lar_supported(mvm))
504 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
505 else
506 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
507 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 508
3e56eadf
JB		 509 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
510 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
511
94bbed72 512 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
bd3398e2 513
8ca151b5
JB		 514 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
515 hw->wiphy->n_iface_combinations =
516 ARRAY_SIZE(iwl_mvm_iface_combinations);
517
c451e6d4 518 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5 519 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
f1a68542
EG		 520 /* we can compensate an offset of up to 3 channels = 15 MHz */
521 hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
8ca151b5
JB		 522
523 /* Extract MAC address */
524 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
525 hw->wiphy->addresses = mvm->addresses;
526 hw->wiphy->n_addresses = 1;
831e85f3
IP		 527
528 /* Extract additional MAC addresses if available */
529 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
530 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
531
532 for (i = 1; i < num_mac; i++) {
533 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 534 ETH_ALEN);
831e85f3 535 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 536 hw->wiphy->n_addresses++;
537 }
538
fe0f2de3
IP		 539 iwl_mvm_reset_phy_ctxts(mvm);
540
999d2568 541 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
20f1a5de 542
8ca151b5
JB		 543 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
544
c7d42480 545 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
507e4cda
LC		 546 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
547 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
548
859d914c 549 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
507e4cda
LC		 550 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
551 else
552 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
553
8ca151b5
JB		 554 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
555 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
556 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
3d44eebf 557 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) {
8ca151b5
JB		 558 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
559 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
560
859d914c
JB		 561 if (fw_has_capa(&mvm->fw->ucode_capa,
562 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
563 fw_has_api(&mvm->fw->ucode_capa,
564 IWL_UCODE_TLV_API_LQ_SS_PARAMS))
3d44eebf
ES		 565 hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |=
566 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
567 }
568
8ca151b5
JB		 569 hw->wiphy->hw_version = mvm->trans->hw_id;
570
ade50652 571 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 572 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
573 else
574 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
575
9954b37c
EG		 576 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
577 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
578 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
579 /* we create the 802.11 header and zero length SSID IE. */
580 hw->wiphy->max_sched_scan_ie_len =
581 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
cd55ccea
AS		 582 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
583 hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
584
585 /*
586 * the firmware uses u8 for num of iterations, but 0xff is saved for
587 * infinite loop, so the maximum number of iterations is actually 254.
588 */
589 hw->wiphy->max_sched_scan_plan_iterations = 254;
35a000b7 590
8ca151b5 591 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 592 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 593 NL80211_FEATURE_P2P_GO_OPPPS |
594 NL80211_FEATURE_DYNAMIC_SMPS |
9b5452fd
EG		 595 NL80211_FEATURE_STATIC_SMPS |
596 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
8ca151b5 597
859d914c
JB		 598 if (fw_has_capa(&mvm->fw->ucode_capa,
599 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
f1daa00e 600 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
859d914c
JB		 601 if (fw_has_capa(&mvm->fw->ucode_capa,
602 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
226bcd48 603 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 604
859d914c
JB		 605 if (fw_has_capa(&mvm->fw->ucode_capa,
606 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
73897bd1
AO		 607 hw->wiphy->features |=
608 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
609
859d914c
JB		 610 if (fw_has_capa(&mvm->fw->ucode_capa,
611 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
73897bd1
AO		 612 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
613
8ca151b5
JB		 614 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
615
616#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 617 if (iwl_mvm_is_d0i3_supported(mvm) &&
618 device_can_wakeup(mvm->trans->dev)) {
619 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
620 hw->wiphy->wowlan = &mvm->wowlan;
91742449
EP		 621 }
622
623 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 624 mvm->trans->ops->d3_suspend &&
625 mvm->trans->ops->d3_resume &&
626 device_can_wakeup(mvm->trans->dev)) {
91742449
EP		 627 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
628 WIPHY_WOWLAN_DISCONNECT |
629 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
630 WIPHY_WOWLAN_RFKILL_RELEASE |
631 WIPHY_WOWLAN_NET_DETECT;
8ca151b5 632 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 633 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
634 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
635 WIPHY_WOWLAN_4WAY_HANDSHAKE;
636
637 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
638 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
639 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
c55385f5 640 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
964dc9e2
JB		 641 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
642 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 643 }
644#endif
645
77736923
EP		 646#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
647 /* assign default bcast filtering configuration */
648 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
649#endif
650
8ca151b5
JB		 651 ret = iwl_mvm_leds_init(mvm);
652 if (ret)
653 return ret;
654
859d914c
JB		 655 if (fw_has_capa(&mvm->fw->ucode_capa,
656 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
d8f1c515
AN		 657 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
658 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7c4f0843 659 ieee80211_hw_set(hw, TDLS_WIDER_BW);
d8f1c515
AN		 660 }
661
859d914c
JB		 662 if (fw_has_capa(&mvm->fw->ucode_capa,
663 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
1d3c3f63
AN		 664 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
665 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
666 }
667
93190fb0
AA		 668 hw->netdev_features |= mvm->cfg->features;
669 if (!iwl_mvm_is_csum_supported(mvm))
670 hw->netdev_features &= ~NETIF_F_RXCSUM;
671
41837ca9 672 if (IWL_MVM_SW_TX_CSUM_OFFLOAD)
a3713f8b
EG		 673 hw->netdev_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
674 NETIF_F_TSO | NETIF_F_TSO6;
41837ca9 675
b7327d89
EG		 676 ret = ieee80211_register_hw(mvm->hw);
677 if (ret)
678 iwl_mvm_leds_exit(mvm);
679
680 return ret;
8ca151b5
JB		 681}
682
b2492501
AN		 683static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
684 struct ieee80211_sta *sta,
685 struct sk_buff *skb)
686{
687 struct iwl_mvm_sta *mvmsta;
688 bool defer = false;
689
690 /*
691 * double check the IN_D0I3 flag both before and after
692 * taking the spinlock, in order to prevent taking
693 * the spinlock when not needed.
694 */
695 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
696 return false;
697
698 spin_lock(&mvm->d0i3_tx_lock);
699 /*
700 * testing the flag again ensures the skb dequeue
701 * loop (on d0i3 exit) hasn't run yet.
702 */
703 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
704 goto out;
705
706 mvmsta = iwl_mvm_sta_from_mac80211(sta);
707 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
708 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
709 goto out;
710
711 __skb_queue_tail(&mvm->d0i3_tx, skb);
712 ieee80211_stop_queues(mvm->hw);
713
714 /* trigger wakeup */
715 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
716 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
717
718 defer = true;
719out:
720 spin_unlock(&mvm->d0i3_tx_lock);
721 return defer;
722}
723
8ca151b5
JB		 724static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
725 struct ieee80211_tx_control *control,
726 struct sk_buff *skb)
727{
728 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 729 struct ieee80211_sta *sta = control->sta;
730 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
731 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 732
9ee718aa
EL		 733 if (iwl_mvm_is_radio_killed(mvm)) {
734 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 735 goto drop;
736 }
737
398e8c6c 738 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
a6cc5163
MG		 739 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
740 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
8ca151b5
JB		 741 goto drop;
742
3e56eadf
JB		 743 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
744 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
745 ieee80211_is_mgmt(hdr->frame_control) &&
746 !ieee80211_is_deauth(hdr->frame_control) &&
747 !ieee80211_is_disassoc(hdr->frame_control) &&
748 !ieee80211_is_action(hdr->frame_control)))
749 sta = NULL;
750
751 if (sta) {
b2492501
AN		 752 if (iwl_mvm_defer_tx(mvm, sta, skb))
753 return;
3e56eadf 754 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 755 goto drop;
756 return;
757 }
758
759 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
760 goto drop;
761 return;
762 drop:
763 ieee80211_free_txskb(hw, skb);
764}
765
205e2210
EG		 766static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
767{
768 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
769 return false;
770 return true;
771}
772
773static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
774{
775 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
776 return false;
777 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
778 return true;
779
780 /* enabled by default */
781 return true;
782}
783
4203263d
EG		 784#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
785 do { \
786 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
787 break; \
788 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
789 } while (0)
790
791static void
792iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
793 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
794 enum ieee80211_ampdu_mlme_action action)
795{
796 struct iwl_fw_dbg_trigger_tlv *trig;
797 struct iwl_fw_dbg_trigger_ba *ba_trig;
798
799 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
800 return;
801
802 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
803 ba_trig = (void *)trig->data;
804
805 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
806 return;
807
808 switch (action) {
809 case IEEE80211_AMPDU_TX_OPERATIONAL: {
810 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
811 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
812
813 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
814 "TX AGG START: MAC %pM tid %d ssn %d\n",
815 sta->addr, tid, tid_data->ssn);
816 break;
817 }
818 case IEEE80211_AMPDU_TX_STOP_CONT:
819 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
820 "TX AGG STOP: MAC %pM tid %d\n",
821 sta->addr, tid);
822 break;
823 case IEEE80211_AMPDU_RX_START:
824 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
825 "RX AGG START: MAC %pM tid %d ssn %d\n",
826 sta->addr, tid, rx_ba_ssn);
827 break;
828 case IEEE80211_AMPDU_RX_STOP:
829 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
830 "RX AGG STOP: MAC %pM tid %d\n",
831 sta->addr, tid);
832 break;
833 default:
834 break;
835 }
836}
837
8ca151b5
JB		 838static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
839 struct ieee80211_vif *vif,
50ea05ef 840 struct ieee80211_ampdu_params *params)
8ca151b5
JB		 841{
842 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
843 int ret;
b2492501 844 bool tx_agg_ref = false;
50ea05ef
SS		 845 struct ieee80211_sta *sta = params->sta;
846 enum ieee80211_ampdu_mlme_action action = params->action;
847 u16 tid = params->tid;
848 u16 *ssn = &params->ssn;
849 u8 buf_size = params->buf_size;
bb81bb68 850 bool amsdu = params->amsdu;
8ca151b5
JB		 851
852 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
853 sta->addr, tid, action);
854
855 if (!(mvm->nvm_data->sku_cap_11n_enable))
856 return -EACCES;
857
b2492501 858 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 859 switch (action) {
860 case IEEE80211_AMPDU_TX_START:
861 case IEEE80211_AMPDU_TX_STOP_CONT:
862 case IEEE80211_AMPDU_TX_STOP_FLUSH:
863 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
864 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 865 /*
9256c205
EP		 866 * for tx start, wait synchronously until D0i3 exit to
867 * get the correct sequence number for the tid.
868 * additionally, some other ampdu actions use direct
869 * target access, which is not handled automatically
870 * by the trans layer (unlike commands), so wait for
871 * d0i3 exit in these cases as well.
b2492501 872 */
d40fc489
GG		 873 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
874 if (ret)
875 return ret;
876
877 tx_agg_ref = true;
9256c205
EP		 878 break;
879 default:
880 break;
b2492501
AN		 881 }
882
8ca151b5
JB		 883 mutex_lock(&mvm->mutex);
884
885 switch (action) {
886 case IEEE80211_AMPDU_RX_START:
205e2210 887 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 888 ret = -EINVAL;
889 break;
890 }
854c5705 891 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size);
8ca151b5
JB		 892 break;
893 case IEEE80211_AMPDU_RX_STOP:
854c5705 894 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size);
8ca151b5
JB		 895 break;
896 case IEEE80211_AMPDU_TX_START:
205e2210 897 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 898 ret = -EINVAL;
899 break;
900 }
8ca151b5
JB		 901 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
902 break;
903 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 904 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
905 break;
8ca151b5
JB		 906 case IEEE80211_AMPDU_TX_STOP_FLUSH:
907 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 908 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 909 break;
910 case IEEE80211_AMPDU_TX_OPERATIONAL:
bb81bb68
EG		 911 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
912 buf_size, amsdu);
8ca151b5
JB		 913 break;
914 default:
915 WARN_ON_ONCE(1);
916 ret = -EINVAL;
917 break;
918 }
4203263d
EG		 919
920 if (!ret) {
921 u16 rx_ba_ssn = 0;
922
923 if (action == IEEE80211_AMPDU_RX_START)
924 rx_ba_ssn = *ssn;
925
926 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
927 rx_ba_ssn, action);
928 }
8ca151b5
JB		 929 mutex_unlock(&mvm->mutex);
930
b2492501
AN		 931 /*
932 * If the tid is marked as started, we won't use it for offloaded
933 * traffic on the next D0i3 entry. It's safe to unref.
934 */
935 if (tx_agg_ref)
936 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
937
8ca151b5
JB		 938 return ret;
939}
940
941static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
942 struct ieee80211_vif *vif)
943{
944 struct iwl_mvm *mvm = data;
945 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
946
947 mvmvif->uploaded = false;
948 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
949
8ca151b5
JB		 950 spin_lock_bh(&mvm->time_event_lock);
951 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
952 spin_unlock_bh(&mvm->time_event_lock);
953
fe0f2de3 954 mvmvif->phy_ctxt = NULL;
8a275bad 955 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 956}
957
958static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
959{
58629d9d
JB		 960 /* clear the D3 reconfig, we only need it to avoid dumping a
961 * firmware coredump on reconfiguration, we shouldn't do that
962 * on D3->D0 transition
963 */
b6eaa45a
EG		 964 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
965 mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
58629d9d 966 iwl_mvm_fw_error_dump(mvm);
b6eaa45a 967 }
1bd3cbc1 968
744cb695
EP		 969 /* cleanup all stale references (scan, roc), but keep the
970 * ucode_down ref until reconfig is complete
971 */
972 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
973
8ca151b5 974 iwl_trans_stop_device(mvm->trans);
8ca151b5 975
9af91f46 976 mvm->scan_status = 0;
b1873300 977 mvm->ps_disabled = false;
31b8b343 978 mvm->calibrating = false;
8ca151b5
JB		 979
980 /* just in case one was running */
305d236e 981 iwl_mvm_cleanup_roc_te(mvm);
8ca151b5
JB		 982 ieee80211_remain_on_channel_expired(mvm->hw);
983
737719fe
AN		 984 /*
985 * cleanup all interfaces, even inactive ones, as some might have
986 * gone down during the HW restart
987 */
988 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
8ca151b5 989
fe0f2de3 990 mvm->p2p_device_vif = NULL;
37577fe2 991 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 992
993 iwl_mvm_reset_phy_ctxts(mvm);
9c3deeb5 994 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
8ca151b5 995 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
a0f6bf2a 996 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
8a275bad
EG		 997 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
998 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
999 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
1000 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
1001 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
1002 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 1003
1004 ieee80211_wake_queues(mvm->hw);
1005
228670b2
EP		 1006 /* clear any stale d0i3 state */
1007 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1008
8ca151b5 1009 mvm->vif_count = 0;
113a0447 1010 mvm->rx_ba_sessions = 0;
d2709ad7 1011 mvm->fw_dbg_conf = FW_DBG_INVALID;
91a8bcde
JB		 1012
1013 /* keep statistics ticking */
1014 iwl_mvm_accu_radio_stats(mvm);
8ca151b5
JB		 1015}
1016
a0a09243 1017int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 1018{
8ca151b5
JB		 1019 int ret;
1020
a0a09243 1021 lockdep_assert_held(&mvm->mutex);
8ca151b5 1022
a42b2af3
LC		 1023 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1024 /* Clean up some internal and mac80211 state on restart */
8ca151b5 1025 iwl_mvm_restart_cleanup(mvm);
a42b2af3
LC		 1026 } else {
1027 /* Hold the reference to prevent runtime suspend while
1028 * the start procedure runs. It's a bit confusing
1029 * that the UCODE_DOWN reference is taken, but it just
1030 * means "UCODE is not UP yet". ( TODO: rename this
1031 * reference).
1032 */
1033 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1034 }
8ca151b5 1035 ret = iwl_mvm_up(mvm);
c47af22a
JB		 1036
1037 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1038 /* Something went wrong - we need to finish some cleanup
1039 * that normally iwl_mvm_mac_restart_complete() below
1040 * would do.
1041 */
1042 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1043 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1044 }
1045
a0a09243
LC		 1046 return ret;
1047}
1048
1049static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1050{
1051 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1052 int ret;
1053
37948fcf
EP		 1054 /* Some hw restart cleanups must not hold the mutex */
1055 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1056 /*
1057 * Make sure we are out of d0i3. This is needed
1058 * to make sure the reference accounting is correct
1059 * (and there is no stale d0i3_exit_work).
1060 */
1061 wait_event_timeout(mvm->d0i3_exit_waitq,
1062 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1063 &mvm->status),
1064 HZ);
1065 }
1066
a0a09243
LC		 1067 mutex_lock(&mvm->mutex);
1068 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 1069 mutex_unlock(&mvm->mutex);
1070
1071 return ret;
1072}
1073
cf2c92d8 1074static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
8ca151b5 1075{
8ca151b5
JB		 1076 int ret;
1077
1078 mutex_lock(&mvm->mutex);
1079
1080 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 1081 iwl_mvm_d0i3_enable_tx(mvm, NULL);
e7afe89f 1082 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 1083 if (ret)
1084 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1085 ret);
1086
7498cf4c
EP		 1087 /* allow transport/FW low power modes */
1088 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1089
cbd2ae2d
AN		 1090 /*
1091 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1092 * of packets the FW sent out, so we must reconnect.
1093 */
1094 iwl_mvm_teardown_tdls_peers(mvm);
1095
8ca151b5
JB		 1096 mutex_unlock(&mvm->mutex);
1097}
1098
088070a2
EP		 1099static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
1100{
b7282643
LC		 1101 if (iwl_mvm_is_d0i3_supported(mvm) &&
1102 iwl_mvm_enter_d0i3_on_suspend(mvm))
1103 WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq,
1104 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1105 &mvm->status),
1106 HZ),
1107 "D0i3 exit on resume timed out\n");
088070a2
EP		 1108}
1109
cf2c92d8
EP		 1110static void
1111iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1112 enum ieee80211_reconfig_type reconfig_type)
1113{
1114 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1115
1116 switch (reconfig_type) {
1117 case IEEE80211_RECONFIG_TYPE_RESTART:
1118 iwl_mvm_restart_complete(mvm);
1119 break;
1120 case IEEE80211_RECONFIG_TYPE_SUSPEND:
088070a2 1121 iwl_mvm_resume_complete(mvm);
cf2c92d8
EP		 1122 break;
1123 }
1124}
1125
a0a09243 1126void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 1127{
a0a09243 1128 lockdep_assert_held(&mvm->mutex);
7498cf4c 1129
91a8bcde
JB		 1130 /* firmware counters are obviously reset now, but we shouldn't
1131 * partially track so also clear the fw_reset_accu counters.
1132 */
1133 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1134
8ca151b5
JB		 1135 /* async_handlers_wk is now blocked */
1136
1137 /*
1138 * The work item could be running or queued if the
1139 * ROC time event stops just as we get here.
1140 */
c779273b 1141 flush_work(&mvm->roc_done_wk);
8ca151b5
JB		 1142
1143 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 1144
1145 iwl_mvm_async_handlers_purge(mvm);
1146 /* async_handlers_list is empty and will stay empty: HW is stopped */
1147
1148 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 1149 iwl_mvm_del_aux_sta(mvm);
8ca151b5 1150
0a79a0c0
EP		 1151 /*
1152 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1153 * won't be called in this case).
8b2b9fbf
AN		 1154 * But make sure to cleanup interfaces that have gone down before/during
1155 * HW restart was requested.
0a79a0c0 1156 */
8b2b9fbf
AN		 1157 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1158 ieee80211_iterate_interfaces(mvm->hw, 0,
1159 iwl_mvm_cleanup_iterator, mvm);
0a79a0c0 1160
963221be
AB		 1161 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1162 * make sure there's nothing left there and warn if any is found.
1163 */
859d914c 1164 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
963221be
AB		 1165 int i;
1166
507e4cda 1167 for (i = 0; i < mvm->max_scans; i++) {
6185af2a
LC		 1168 if (WARN_ONCE(mvm->scan_uid_status[i],
1169 "UMAC scan UID %d status was not cleaned\n",
1170 i))
1171 mvm->scan_uid_status[i] = 0;
963221be
AB		 1172 }
1173 }
1174
bc44886d 1175 mvm->ucode_loaded = false;
a0a09243 1176}
bc44886d 1177
a0a09243
LC		 1178static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1179{
1180 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1181
1182 flush_work(&mvm->d0i3_exit_work);
1183 flush_work(&mvm->async_handlers_wk);
d2709ad7 1184 cancel_delayed_work_sync(&mvm->fw_dump_wk);
b6eaa45a 1185 iwl_mvm_free_fw_dump_desc(mvm);
a0a09243
LC		 1186
1187 mutex_lock(&mvm->mutex);
1188 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 1189 mutex_unlock(&mvm->mutex);
1190
1191 /*
1192 * The worker might have been waiting for the mutex, let it run and
1193 * discover that its list is now empty.
1194 */
1195 cancel_work_sync(&mvm->async_handlers_wk);
1196}
1197
fe0f2de3
IP		 1198static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1199{
1200 u16 i;
1201
1202 lockdep_assert_held(&mvm->mutex);
1203
1204 for (i = 0; i < NUM_PHY_CTX; i++)
1205 if (!mvm->phy_ctxts[i].ref)
1206 return &mvm->phy_ctxts[i];
1207
1208 IWL_ERR(mvm, "No available PHY context\n");
1209 return NULL;
1210}
1211
d44c3fe6
AA		 1212static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1213 s16 tx_power)
1214{
1215 struct iwl_dev_tx_power_cmd cmd = {
da03f029
JB		 1216 .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
1217 .v2.mac_context_id =
d44c3fe6 1218 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
da03f029 1219 .v2.pwr_restriction = cpu_to_le16(8 * tx_power),
d44c3fe6 1220 };
da03f029 1221 int len = sizeof(cmd);
d44c3fe6 1222
d44c3fe6 1223 if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
da03f029 1224 cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
d44c3fe6 1225
da03f029
JB		 1226 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN))
1227 len = sizeof(cmd.v2);
1228
1229 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
d44c3fe6
AA		 1230}
1231
8ca151b5
JB		 1232static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1233 struct ieee80211_vif *vif)
1234{
1235 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1236 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1237 int ret;
1238
aa5e1832
EG		 1239 mvmvif->mvm = mvm;
1240
d40fc489
GG		 1241 /*
1242 * make sure D0i3 exit is completed, otherwise a target access
1243 * during tx queue configuration could be done when still in
1244 * D0i3 state.
1245 */
1246 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1247 if (ret)
1248 return ret;
1249
8ca151b5
JB		 1250 /*
1251 * Not much to do here. The stack will not allow interface
1252 * types or combinations that we didn't advertise, so we
1253 * don't really have to check the types.
1254 */
1255
1256 mutex_lock(&mvm->mutex);
1257
33cef925
JB		 1258 /* make sure that beacon statistics don't go backwards with FW reset */
1259 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1260 mvmvif->beacon_stats.accu_num_beacons +=
1261 mvmvif->beacon_stats.num_beacons;
1262
e89044d7 1263 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 1264 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1265 if (ret)
1266 goto out_unlock;
1267
1c2abf72 1268 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 1269 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1270 mvm->vif_count++;
ea183d02 1271
8ca151b5
JB		 1272 /*
1273 * The AP binding flow can be done only after the beacon
1274 * template is configured (which happens only in the mac80211
1275 * start_ap() flow), and adding the broadcast station can happen
1276 * only after the binding.
1277 * In addition, since modifying the MAC before adding a bcast
1278 * station is not allowed by the FW, delay the adding of MAC context to
1279 * the point where we can also add the bcast station.
1280 * In short: there's not much we can do at this point, other than
1281 * allocating resources :)
1282 */
5023d966
JB		 1283 if (vif->type == NL80211_IFTYPE_AP ||
1284 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 1285 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1286 if (ret) {
1287 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1288 goto out_release;
1289 }
1290
77740cb4 1291 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1292 goto out_unlock;
1293 }
1294
93190fb0
AA		 1295 mvmvif->features |= hw->netdev_features;
1296
8ca151b5
JB		 1297 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1298 if (ret)
1299 goto out_release;
1300
999609f1 1301 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e 1302 if (ret)
fd66fc1c 1303 goto out_remove_mac;
8ca151b5 1304
7df15b1e 1305 /* beacon filtering */
a1022927 1306 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1307 if (ret)
1308 goto out_remove_mac;
1309
7df15b1e 1310 if (!mvm->bf_allowed_vif &&
73e5f2c5 1311 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1312 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1313 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1314 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1315 }
1316
8ca151b5
JB		 1317 /*
1318 * P2P_DEVICE interface does not have a channel context assigned to it,
1319 * so a dedicated PHY context is allocated to it and the corresponding
1320 * MAC context is bound to it at this stage.
1321 */
1322 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1323
fe0f2de3
IP		 1324 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1325 if (!mvmvif->phy_ctxt) {
1326 ret = -ENOSPC;
bd3351ba 1327 goto out_free_bf;
fe0f2de3 1328 }
8ca151b5 1329
53a9d61e 1330 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1331 ret = iwl_mvm_binding_add_vif(mvm, vif);
1332 if (ret)
53a9d61e 1333 goto out_unref_phy;
8ca151b5 1334
013290aa 1335 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1336 if (ret)
1337 goto out_unbind;
1338
1339 /* Save a pointer to p2p device vif, so it can later be used to
1340 * update the p2p device MAC when a GO is started/stopped */
1341 mvm->p2p_device_vif = vif;
1342 }
1343
63494374 1344 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1345 goto out_unlock;
1346
1347 out_unbind:
1348 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1349 out_unref_phy:
fe0f2de3 1350 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1351 out_free_bf:
1352 if (mvm->bf_allowed_vif == mvmvif) {
1353 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1354 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1355 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1356 }
8ca151b5
JB		 1357 out_remove_mac:
1358 mvmvif->phy_ctxt = NULL;
1359 iwl_mvm_mac_ctxt_remove(mvm, vif);
1360 out_release:
5ee2b215
AB		 1361 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1362 mvm->vif_count--;
1c2abf72 1363
8ca151b5
JB		 1364 iwl_mvm_mac_ctxt_release(mvm, vif);
1365 out_unlock:
1366 mutex_unlock(&mvm->mutex);
1367
d40fc489
GG		 1368 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1369
8ca151b5
JB		 1370 return ret;
1371}
1372
38a12b5b
JB		 1373static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1374 struct ieee80211_vif *vif)
8ca151b5 1375{
d92b732e 1376 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
8ca151b5
JB		 1377
1378 if (tfd_msk) {
fe92e32a
EG		 1379 /*
1380 * mac80211 first removes all the stations of the vif and
1381 * then removes the vif. When it removes a station it also
1382 * flushes the AMPDU session. So by now, all the AMPDU sessions
1383 * of all the stations of this vif are closed, and the queues
1384 * of these AMPDU sessions are properly closed.
1385 * We still need to take care of the shared queues of the vif.
1386 * Flush them here.
1387 */
8ca151b5 1388 mutex_lock(&mvm->mutex);
5888a40c 1389 iwl_mvm_flush_tx_path(mvm, tfd_msk, 0);
8ca151b5 1390 mutex_unlock(&mvm->mutex);
fe92e32a
EG		 1391
1392 /*
1393 * There are transports that buffer a few frames in the host.
1394 * For these, the flush above isn't enough since while we were
1395 * flushing, the transport might have sent more frames to the
1396 * device. To solve this, wait here until the transport is
1397 * empty. Technically, this could have replaced the flush
1398 * above, but flush is much faster than draining. So flush
1399 * first, and drain to make sure we have no frames in the
1400 * transport anymore.
1401 * If a station still had frames on the shared queues, it is
1402 * already marked as draining, so to complete the draining, we
1403 * just need to wait until the transport is empty.
1404 */
1405 iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk);
8ca151b5
JB		 1406 }
1407
1408 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1409 /*
1410 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1411 * We assume here that all the packets sent to the OFFCHANNEL
1412 * queue are sent in ROC session.
1413 */
1414 flush_work(&mvm->roc_done_wk);
1415 } else {
1416 /*
1417 * By now, all the AC queues are empty. The AGG queues are
1418 * empty too. We already got all the Tx responses for all the
1419 * packets in the queues. The drain work can have been
0742a75a 1420 * triggered. Flush it.
8ca151b5
JB		 1421 */
1422 flush_work(&mvm->sta_drained_wk);
1423 }
38a12b5b
JB		 1424}
1425
1426static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1427 struct ieee80211_vif *vif)
1428{
1429 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1430 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1431
1432 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1433
1434 mutex_lock(&mvm->mutex);
1435
7df15b1e
HG		 1436 if (mvm->bf_allowed_vif == mvmvif) {
1437 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1438 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1439 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1440 }
1441
63494374
JB		 1442 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1443
8ca151b5
JB		 1444 /*
1445 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1446 * interface is be handled as part of the stop_ap flow.
8ca151b5 1447 */
5023d966
JB		 1448 if (vif->type == NL80211_IFTYPE_AP ||
1449 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1450#ifdef CONFIG_NL80211_TESTMODE
1451 if (vif == mvm->noa_vif) {
1452 mvm->noa_vif = NULL;
1453 mvm->noa_duration = 0;
1454 }
1455#endif
013290aa 1456 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1457 goto out_release;
1458 }
1459
1460 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1461 mvm->p2p_device_vif = NULL;
013290aa 1462 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1463 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1464 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1465 mvmvif->phy_ctxt = NULL;
1466 }
1467
5ee2b215 1468 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1469 mvm->vif_count--;
1c2abf72 1470
999609f1 1471 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1472 iwl_mvm_mac_ctxt_remove(mvm, vif);
1473
1474out_release:
1475 iwl_mvm_mac_ctxt_release(mvm, vif);
1476 mutex_unlock(&mvm->mutex);
1477}
1478
1479static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1480{
8ca151b5
JB		 1481 return 0;
1482}
1483
e59647ea
EP		 1484struct iwl_mvm_mc_iter_data {
1485 struct iwl_mvm *mvm;
1486 int port_id;
1487};
1488
1489static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1490 struct ieee80211_vif *vif)
1491{
1492 struct iwl_mvm_mc_iter_data *data = _data;
1493 struct iwl_mvm *mvm = data->mvm;
1494 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1495 int ret, len;
1496
1497 /* if we don't have free ports, mcast frames will be dropped */
1498 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1499 return;
1500
1501 if (vif->type != NL80211_IFTYPE_STATION ||
1502 !vif->bss_conf.assoc)
1503 return;
1504
1505 cmd->port_id = data->port_id++;
1506 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1507 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1508
1c4abec0 1509 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1510 if (ret)
1511 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1512}
1513
1514static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1515{
1516 struct iwl_mvm_mc_iter_data iter_data = {
1517 .mvm = mvm,
88f2fd73
MG		 1518 };
1519
e59647ea
EP		 1520 lockdep_assert_held(&mvm->mutex);
1521
1522 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1523 return;
1524
1c4abec0 1525 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1526 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1527 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1528}
1529
e59647ea
EP		 1530static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1531 struct netdev_hw_addr_list *mc_list)
8ca151b5 1532{
e59647ea
EP		 1533 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1534 struct iwl_mcast_filter_cmd *cmd;
1535 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1536 int addr_count;
1537 bool pass_all;
e59647ea
EP		 1538 int len;
1539
f3bd58f4
MS		 1540 addr_count = netdev_hw_addr_list_count(mc_list);
1541 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1542 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1543 if (pass_all)
e59647ea 1544 addr_count = 0;
e59647ea
EP		 1545
1546 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1547 cmd = kzalloc(len, GFP_ATOMIC);
1548 if (!cmd)
1549 return 0;
1550
1551 if (pass_all) {
1552 cmd->pass_all = 1;
1553 return (u64)(unsigned long)cmd;
1554 }
1555
1556 netdev_hw_addr_list_for_each(addr, mc_list) {
1557 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1558 cmd->count, addr->addr);
1559 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1560 addr->addr, ETH_ALEN);
1561 cmd->count++;
1562 }
1563
1564 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1565}
1566
1567static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1568 unsigned int changed_flags,
1569 unsigned int *total_flags,
1570 u64 multicast)
1571{
e59647ea
EP		 1572 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1573 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1574
e59647ea 1575 mutex_lock(&mvm->mutex);
51b6b9e0 1576
e59647ea
EP		 1577 /* replace previous configuration */
1578 kfree(mvm->mcast_filter_cmd);
1579 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1580
e59647ea
EP		 1581 if (!cmd)
1582 goto out;
51b6b9e0 1583
e59647ea
EP		 1584 iwl_mvm_recalc_multicast(mvm);
1585out:
1586 mutex_unlock(&mvm->mutex);
1587 *total_flags = 0;
51b6b9e0
EG		 1588}
1589
effd1929
AO		 1590static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
1591 struct ieee80211_vif *vif,
1592 unsigned int filter_flags,
1593 unsigned int changed_flags)
1594{
1595 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1596
1597 /* We support only filter for probe requests */
1598 if (!(changed_flags & FIF_PROBE_REQ))
1599 return;
1600
1601 /* Supported only for p2p client interfaces */
1602 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1603 !vif->p2p)
1604 return;
1605
1606 mutex_lock(&mvm->mutex);
1607 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1608 mutex_unlock(&mvm->mutex);
1609}
1610
c87163b9
EP		 1611#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1612struct iwl_bcast_iter_data {
1613 struct iwl_mvm *mvm;
1614 struct iwl_bcast_filter_cmd *cmd;
1615 u8 current_filter;
1616};
1617
1618static void
1619iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1620 const struct iwl_fw_bcast_filter *in_filter,
1621 struct iwl_fw_bcast_filter *out_filter)
1622{
1623 struct iwl_fw_bcast_filter_attr *attr;
1624 int i;
1625
1626 memcpy(out_filter, in_filter, sizeof(*out_filter));
1627
1628 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1629 attr = &out_filter->attrs[i];
1630
1631 if (!attr->mask)
1632 break;
1633
2ee8f021
EP		 1634 switch (attr->reserved1) {
1635 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1636 if (vif->bss_conf.arp_addr_cnt != 1) {
1637 attr->mask = 0;
1638 continue;
1639 }
1640
1641 attr->val = vif->bss_conf.arp_addr_list[0];
1642 break;
1643 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1644 attr->val = *(__be32 *)&vif->addr[2];
1645 break;
1646 default:
1647 break;
1648 }
1649 attr->reserved1 = 0;
c87163b9
EP		 1650 out_filter->num_attrs++;
1651 }
1652}
1653
1654static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1655 struct ieee80211_vif *vif)
1656{
1657 struct iwl_bcast_iter_data *data = _data;
1658 struct iwl_mvm *mvm = data->mvm;
1659 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1660 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1661 struct iwl_fw_bcast_mac *bcast_mac;
1662 int i;
1663
1664 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1665 return;
1666
1667 bcast_mac = &cmd->macs[mvmvif->id];
1668
e48393e8
IP		 1669 /*
1670 * enable filtering only for associated stations, but not for P2P
1671 * Clients
1672 */
1673 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1674 !vif->bss_conf.assoc)
c87163b9
EP		 1675 return;
1676
1677 bcast_mac->default_discard = 1;
1678
1679 /* copy all configured filters */
1680 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1681 /*
1682 * Make sure we don't exceed our filters limit.
1683 * if there is still a valid filter to be configured,
1684 * be on the safe side and just allow bcast for this mac.
1685 */
1686 if (WARN_ON_ONCE(data->current_filter >=
1687 ARRAY_SIZE(cmd->filters))) {
1688 bcast_mac->default_discard = 0;
1689 bcast_mac->attached_filters = 0;
1690 break;
1691 }
1692
1693 iwl_mvm_set_bcast_filter(vif,
1694 &mvm->bcast_filters[i],
1695 &cmd->filters[data->current_filter]);
1696
1697 /* skip current filter if it contains no attributes */
1698 if (!cmd->filters[data->current_filter].num_attrs)
1699 continue;
1700
1701 /* attach the filter to current mac */
1702 bcast_mac->attached_filters |=
1703 cpu_to_le16(BIT(data->current_filter));
1704
1705 data->current_filter++;
1706 }
1707}
1708
de06a59e
EP		 1709bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1710 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1711{
c87163b9
EP		 1712 struct iwl_bcast_iter_data iter_data = {
1713 .mvm = mvm,
de06a59e 1714 .cmd = cmd,
c87163b9
EP		 1715 };
1716
3b8983b1
MS		 1717 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1718 return false;
1719
de06a59e
EP		 1720 memset(cmd, 0, sizeof(*cmd));
1721 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1722 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1723
1724#ifdef CONFIG_IWLWIFI_DEBUGFS
1725 /* use debugfs filters/macs if override is configured */
1726 if (mvm->dbgfs_bcast_filtering.override) {
1727 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1728 sizeof(cmd->filters));
1729 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1730 sizeof(cmd->macs));
1731 return true;
1732 }
1733#endif
c87163b9
EP		 1734
1735 /* if no filters are configured, do nothing */
1736 if (!mvm->bcast_filters)
de06a59e 1737 return false;
c87163b9
EP		 1738
1739 /* configure and attach these filters for each associated sta vif */
1740 ieee80211_iterate_active_interfaces(
1741 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1742 iwl_mvm_bcast_filter_iterator, &iter_data);
1743
de06a59e
EP		 1744 return true;
1745}
34672bb3
EP		 1746
1747static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
de06a59e
EP		 1748{
1749 struct iwl_bcast_filter_cmd cmd;
1750
1751 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1752 return 0;
1753
1754 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1755 return 0;
1756
a1022927 1757 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1758 sizeof(cmd), &cmd);
1759}
1760#else
34672bb3 1761static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
c87163b9
EP		 1762{
1763 return 0;
1764}
1765#endif
1766
a07a8f37
SS		 1767static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
1768 struct ieee80211_vif *vif)
1769{
1770 struct iwl_mu_group_mgmt_cmd cmd = {};
1771
1772 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
1773 WLAN_MEMBERSHIP_LEN);
1774 memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
1775 WLAN_USER_POSITION_LEN);
1776
1777 return iwl_mvm_send_cmd_pdu(mvm,
1778 WIDE_ID(DATA_PATH_GROUP,
1779 UPDATE_MU_GROUPS_CMD),
1780 0, sizeof(cmd), &cmd);
1781}
1782
8ca151b5
JB		 1783static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1784 struct ieee80211_vif *vif,
1785 struct ieee80211_bss_conf *bss_conf,
1786 u32 changes)
1787{
1788 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1789 int ret;
1790
6e97b0d2
IP		 1791 /*
1792 * Re-calculate the tsf id, as the master-slave relations depend on the
1793 * beacon interval, which was not known when the station interface was
1794 * added.
1795 */
1796 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1797 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1798
3dfd3a97
JB		 1799 /*
1800 * If we're not associated yet, take the (new) BSSID before associating
1801 * so the firmware knows. If we're already associated, then use the old
1802 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1803 * branch for disassociation below.
1804 */
1805 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1806 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1807
1808 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1809 if (ret)
1810 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1811
3dfd3a97
JB		 1812 /* after sending it once, adopt mac80211 data */
1813 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1814 mvmvif->associated = bss_conf->assoc;
1815
8ca151b5
JB		 1816 if (changes & BSS_CHANGED_ASSOC) {
1817 if (bss_conf->assoc) {
33cef925
JB		 1818 /* clear statistics to get clean beacon counter */
1819 iwl_mvm_request_statistics(mvm, true);
1820 memset(&mvmvif->beacon_stats, 0,
1821 sizeof(mvmvif->beacon_stats));
1822
8ca151b5 1823 /* add quota for this interface */
7754ae79 1824 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 1825 if (ret) {
1826 IWL_ERR(mvm, "failed to update quotas\n");
1827 return;
1828 }
016d27e1
JB		 1829
1830 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1831 &mvm->status)) {
1832 /*
1833 * If we're restarting then the firmware will
1834 * obviously have lost synchronisation with
1835 * the AP. It will attempt to synchronise by
1836 * itself, but we can make it more reliable by
1837 * scheduling a session protection time event.
1838 *
1839 * The firmware needs to receive a beacon to
1840 * catch up with synchronisation, use 110% of
1841 * the beacon interval.
1842 *
1843 * Set a large maximum delay to allow for more
1844 * than a single interface.
1845 */
1846 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1847 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1848 5 * dur, false);
016d27e1 1849 }
1f3b0ff8
LE		 1850
1851 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1852 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1853 if (vif->p2p) {
29a90a49 1854 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1855 iwl_mvm_update_smps(mvm, vif,
1856 IWL_MVM_SMPS_REQ_PROT,
1857 IEEE80211_SMPS_DYNAMIC);
1858 }
8ca151b5 1859 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1860 /*
1861 * If update fails - SF might be running in associated
1862 * mode while disassociated - which is forbidden.
1863 */
1864 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1865 "Failed to update SF upon disassociation\n");
1866
8ca151b5
JB		 1867 /* remove AP station now that the MAC is unassoc */
1868 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1869 if (ret)
1870 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1871
1872 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1873 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1874 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1875 /* remove quota for this interface */
7754ae79 1876 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 1877 if (ret)
1878 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1879
1880 if (vif->p2p)
1881 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1882
1883 /* this will take the cleared BSSID from bss_conf */
1884 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1885 if (ret)
1886 IWL_ERR(mvm,
1887 "failed to update MAC %pM (clear after unassoc)\n",
1888 vif->addr);
8ca151b5 1889 }
a20fd398 1890
a07a8f37
SS		 1891 /*
1892 * The firmware tracks the MU-MIMO group on its own.
1893 * However, on HW restart we should restore this data
1894 */
1895 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
1896 changes & BSS_CHANGED_MU_GROUPS) {
1897 ret = iwl_mvm_update_mu_groups(mvm, vif);
1898 if (ret)
1899 IWL_ERR(mvm,
1900 "failed to update VHT MU_MIMO groups\n");
1901 }
1902
e59647ea 1903 iwl_mvm_recalc_multicast(mvm);
34672bb3 1904 iwl_mvm_configure_bcast_filter(mvm);
e59647ea 1905
a20fd398
AO		 1906 /* reset rssi values */
1907 mvmvif->bf_data.ave_beacon_signal = 0;
1908
8e484f0b 1909 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1910 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1911 IEEE80211_SMPS_AUTOMATIC);
355346ba
AS		 1912 if (fw_has_capa(&mvm->fw->ucode_capa,
1913 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1914 iwl_mvm_config_scan(mvm);
989c6505 1915 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1916 /*
1917 * We received a beacon _after_ association so
1918 * remove the session protection.
1919 */
1920 iwl_mvm_remove_time_event(mvm, mvmvif,
1921 &mvmvif->time_event_data);
8ca151b5 1922 }
cc87d322
EH		 1923
1924 if (changes & BSS_CHANGED_BEACON_INFO) {
1925 iwl_mvm_sf_update(mvm, vif, false);
1926 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1927 }
1928
1bc10d3b
JB		 1929 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1930 ret = iwl_mvm_power_update_mac(mvm);
1931 if (ret)
1932 IWL_ERR(mvm, "failed to update power mode\n");
1933 }
1934
88f2fd73
MG		 1935 if (changes & BSS_CHANGED_TXPOWER) {
1936 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1937 bss_conf->txpower);
1938 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1939 }
a20fd398
AO		 1940
1941 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1942 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1943 /* reset cqm events tracking */
1944 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1945 if (mvmvif->bf_data.bf_enabled) {
1946 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1947 if (ret)
1948 IWL_ERR(mvm,
1949 "failed to update CQM thresholds\n");
1950 }
a20fd398 1951 }
2ee8f021
EP		 1952
1953 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1954 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
34672bb3 1955 iwl_mvm_configure_bcast_filter(mvm);
2ee8f021 1956 }
8ca151b5
JB		 1957}
1958
5023d966
JB		 1959static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1960 struct ieee80211_vif *vif)
8ca151b5
JB		 1961{
1962 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1963 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1964 int ret;
1965
576eeee9
EP		 1966 /*
1967 * iwl_mvm_mac_ctxt_add() might read directly from the device
1968 * (the system time), so make sure it is available.
1969 */
1970 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1971 if (ret)
1972 return ret;
1973
8ca151b5
JB		 1974 mutex_lock(&mvm->mutex);
1975
1976 /* Send the beacon template */
1977 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1978 if (ret)
1979 goto out_unlock;
1980
6e97b0d2
IP		 1981 /*
1982 * Re-calculate the tsf id, as the master-slave relations depend on the
1983 * beacon interval, which was not known when the AP interface was added.
1984 */
1985 if (vif->type == NL80211_IFTYPE_AP)
1986 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1987
94939080
GG		 1988 mvmvif->ap_assoc_sta_count = 0;
1989
8ca151b5
JB		 1990 /* Add the mac context */
1991 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1992 if (ret)
1993 goto out_unlock;
1994
1995 /* Perform the binding */
1996 ret = iwl_mvm_binding_add_vif(mvm, vif);
1997 if (ret)
1998 goto out_remove;
1999
8ca151b5
JB		 2000 /* Send the bcast station. At this stage the TBTT and DTIM time events
2001 * are added and applied to the scheduler */
013290aa 2002 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 2003 if (ret)
2004 goto out_unbind;
2005
5691e218
IP		 2006 /* must be set before quota calculations */
2007 mvmvif->ap_ibss_active = true;
2008
a11e144e 2009 /* power updated needs to be done before quotas */
999609f1 2010 iwl_mvm_power_update_mac(mvm);
a11e144e 2011
7754ae79 2012 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5 2013 if (ret)
a11e144e 2014 goto out_quota_failed;
8ca151b5 2015
5023d966 2016 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2017 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2018 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2019
29a90a49
EP		 2020 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
2021
8e484f0b 2022 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2023
f697267f
AN		 2024 /* we don't support TDLS during DCM */
2025 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2026 iwl_mvm_teardown_tdls_peers(mvm);
2027
939e4904 2028 goto out_unlock;
8ca151b5 2029
a11e144e 2030out_quota_failed:
999609f1 2031 iwl_mvm_power_update_mac(mvm);
5691e218 2032 mvmvif->ap_ibss_active = false;
013290aa 2033 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 2034out_unbind:
2035 iwl_mvm_binding_remove_vif(mvm, vif);
2036out_remove:
2037 iwl_mvm_mac_ctxt_remove(mvm, vif);
2038out_unlock:
2039 mutex_unlock(&mvm->mutex);
576eeee9 2040 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 2041 return ret;
2042}
2043
5023d966
JB		 2044static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2045 struct ieee80211_vif *vif)
8ca151b5
JB		 2046{
2047 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2048 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2049
38a12b5b
JB		 2050 iwl_mvm_prepare_mac_removal(mvm, vif);
2051
8ca151b5
JB		 2052 mutex_lock(&mvm->mutex);
2053
664322fa 2054 /* Handle AP stop while in CSA */
7f0a7c67
AO		 2055 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2056 iwl_mvm_remove_time_event(mvm, mvmvif,
2057 &mvmvif->time_event_data);
664322fa 2058 RCU_INIT_POINTER(mvm->csa_vif, NULL);
e9cb0327 2059 mvmvif->csa_countdown = false;
7f0a7c67 2060 }
664322fa 2061
003e5236
AO		 2062 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2063 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2064 mvm->csa_tx_block_bcn_timeout = 0;
2065 }
2066
5023d966 2067 mvmvif->ap_ibss_active = false;
1c87bbad 2068 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 2069
8e484f0b 2070 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2071
29a90a49
EP		 2072 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
2073
5023d966 2074 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2075 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2076 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2077
7754ae79 2078 iwl_mvm_update_quotas(mvm, false, NULL);
013290aa 2079 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 2080 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 2081
999609f1 2082 iwl_mvm_power_update_mac(mvm);
a11e144e 2083
8ca151b5
JB		 2084 iwl_mvm_mac_ctxt_remove(mvm, vif);
2085
2086 mutex_unlock(&mvm->mutex);
2087}
2088
5023d966
JB		 2089static void
2090iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2091 struct ieee80211_vif *vif,
2092 struct ieee80211_bss_conf *bss_conf,
2093 u32 changes)
8ca151b5 2094{
be2056fc 2095 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 2096
be2056fc
IP		 2097 /* Changes will be applied when the AP/IBSS is started */
2098 if (!mvmvif->ap_ibss_active)
2099 return;
2100
863230da 2101 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 2102 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 2103 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 2104 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 2105
8ca151b5 2106 /* Need to send a new beacon template to the FW */
863230da
JB		 2107 if (changes & BSS_CHANGED_BEACON &&
2108 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2109 IWL_WARN(mvm, "Failed updating beacon data\n");
79b7a69d
HD		 2110
2111 if (changes & BSS_CHANGED_TXPOWER) {
2112 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2113 bss_conf->txpower);
2114 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2115 }
2116
8ca151b5
JB		 2117}
2118
2119static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2120 struct ieee80211_vif *vif,
2121 struct ieee80211_bss_conf *bss_conf,
2122 u32 changes)
2123{
2124 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2125
576eeee9
EP		 2126 /*
2127 * iwl_mvm_bss_info_changed_station() might call
2128 * iwl_mvm_protect_session(), which reads directly from
2129 * the device (the system time), so make sure it is available.
2130 */
2131 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
2132 return;
2133
8ca151b5
JB		 2134 mutex_lock(&mvm->mutex);
2135
723f02ed 2136 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
c7d42480 2137 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
723f02ed 2138
8ca151b5
JB		 2139 switch (vif->type) {
2140 case NL80211_IFTYPE_STATION:
2141 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2142 break;
2143 case NL80211_IFTYPE_AP:
5023d966
JB		 2144 case NL80211_IFTYPE_ADHOC:
2145 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 2146 break;
2147 default:
2148 /* shouldn't happen */
2149 WARN_ON_ONCE(1);
2150 }
2151
2152 mutex_unlock(&mvm->mutex);
576eeee9 2153 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 2154}
2155
2156static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2157 struct ieee80211_vif *vif,
c56ef672 2158 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 2159{
2160 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2161 int ret;
2162
6749dd80
LC		 2163 if (hw_req->req.n_channels == 0 ||
2164 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 2165 return -EINVAL;
2166
2167 mutex_lock(&mvm->mutex);
6749dd80 2168 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
8ca151b5 2169 mutex_unlock(&mvm->mutex);
6749dd80 2170
8ca151b5
JB		 2171 return ret;
2172}
2173
2174static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2175 struct ieee80211_vif *vif)
2176{
2177 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2178
2179 mutex_lock(&mvm->mutex);
2180
e7d3abab
LC		 2181 /* Due to a race condition, it's possible that mac80211 asks
2182 * us to stop a hw_scan when it's already stopped. This can
2183 * happen, for instance, if we stopped the scan ourselves,
2184 * called ieee80211_scan_completed() and the userspace called
2185 * cancel scan scan before ieee80211_scan_work() could run.
2186 * To handle that, simply return if the scan is not running.
2187 */
262888fc 2188 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
c7d42480 2189 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
8ca151b5
JB		 2190
2191 mutex_unlock(&mvm->mutex);
2192}
2193
2194static void
2195iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 2196 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 2197 int num_frames,
2198 enum ieee80211_frame_release_type reason,
2199 bool more_data)
2200{
2201 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 2202
3e56eadf 2203 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 2204
3e56eadf
JB		 2205 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2206 tids, more_data, false);
2207}
2208
2209static void
2210iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2211 struct ieee80211_sta *sta, u16 tids,
2212 int num_frames,
2213 enum ieee80211_frame_release_type reason,
2214 bool more_data)
2215{
2216 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2217
2218 /* Called when we need to transmit (a) frame(s) from agg queue */
2219
2220 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2221 tids, more_data, true);
8ca151b5
JB		 2222}
2223
2224static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2225 struct ieee80211_vif *vif,
2226 enum sta_notify_cmd cmd,
2227 struct ieee80211_sta *sta)
2228{
2229 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 2230 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
c22b0ff5 2231 unsigned long txqs = 0, tids = 0;
3e56eadf 2232 int tid;
8ca151b5 2233
c22b0ff5
EG		 2234 spin_lock_bh(&mvmsta->lock);
2235 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2236 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
2237
2238 if (tid_data->state != IWL_AGG_ON &&
2239 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2240 continue;
2241
2242 __set_bit(tid_data->txq_id, &txqs);
2243
2244 if (iwl_mvm_tid_queued(tid_data) == 0)
2245 continue;
2246
2247 __set_bit(tid, &tids);
2248 }
2249
8ca151b5
JB		 2250 switch (cmd) {
2251 case STA_NOTIFY_SLEEP:
e3d4bc8c 2252 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 2253 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf 2254
c22b0ff5 2255 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
3e56eadf 2256 ieee80211_sta_set_buffered(sta, tid, true);
c22b0ff5
EG		 2257
2258 if (txqs)
2259 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
8ca151b5
JB		 2260 /*
2261 * The fw updates the STA to be asleep. Tx packets on the Tx
2262 * queues to this station will not be transmitted. The fw will
2263 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2264 */
2265 break;
2266 case STA_NOTIFY_AWAKE:
881acd89 2267 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 2268 break;
c22b0ff5
EG		 2269
2270 if (txqs)
2271 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
9cc40712 2272 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 2273 break;
2274 default:
2275 break;
2276 }
c22b0ff5 2277 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 2278}
2279
1ddbbb0c
JB		 2280static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2281 struct ieee80211_vif *vif,
2282 struct ieee80211_sta *sta)
2283{
2284 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 2285 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
1ddbbb0c
JB		 2286
2287 /*
2288 * This is called before mac80211 does RCU synchronisation,
2289 * so here we already invalidate our internal RCU-protected
2290 * station pointer. The rest of the code will thus no longer
2291 * be able to find the station this way, and we don't rely
2292 * on further RCU synchronisation after the sta_state()
2293 * callback deleted the station.
2294 */
2295 mutex_lock(&mvm->mutex);
2296 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2297 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2298 ERR_PTR(-ENOENT));
94939080 2299
1ddbbb0c
JB		 2300 mutex_unlock(&mvm->mutex);
2301}
2302
bd1ba664
JB		 2303static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2304 const u8 *bssid)
2305{
2306 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2307 return;
2308
2309 if (iwlwifi_mod_params.uapsd_disable) {
2310 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2311 return;
2312 }
2313
2314 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2315}
2316
1e8f1329
GBA		 2317static void
2318iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
2319 struct ieee80211_vif *vif, u8 *peer_addr,
2320 enum nl80211_tdls_operation action)
2321{
2322 struct iwl_fw_dbg_trigger_tlv *trig;
2323 struct iwl_fw_dbg_trigger_tdls *tdls_trig;
2324
2325 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
2326 return;
2327
2328 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
2329 tdls_trig = (void *)trig->data;
2330 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
2331 return;
2332
2333 if (!(tdls_trig->action_bitmap & BIT(action)))
2334 return;
2335
2336 if (tdls_trig->peer_mode &&
2337 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
2338 return;
2339
2340 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
2341 "TDLS event occurred, peer %pM, action %d",
2342 peer_addr, action);
2343}
2344
8ca151b5
JB		 2345static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2346 struct ieee80211_vif *vif,
2347 struct ieee80211_sta *sta,
2348 enum ieee80211_sta_state old_state,
2349 enum ieee80211_sta_state new_state)
2350{
2351 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2352 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2353 int ret;
2354
2355 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2356 sta->addr, old_state, new_state);
2357
2358 /* this would be a mac80211 bug ... but don't crash */
2359 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2360 return -EINVAL;
2361
2362 /* if a STA is being removed, reuse its ID */
2363 flush_work(&mvm->sta_drained_wk);
2364
2365 mutex_lock(&mvm->mutex);
2366 if (old_state == IEEE80211_STA_NOTEXIST &&
2367 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2368 /*
2369 * Firmware bug - it'll crash if the beacon interval is less
2370 * than 16. We can't avoid connecting at all, so refuse the
2371 * station state change, this will cause mac80211 to abandon
2372 * attempts to connect to this AP, and eventually wpa_s will
2373 * blacklist the AP...
2374 */
2375 if (vif->type == NL80211_IFTYPE_STATION &&
2376 vif->bss_conf.beacon_int < 16) {
2377 IWL_ERR(mvm,
2378 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2379 sta->addr, vif->bss_conf.beacon_int);
2380 ret = -EINVAL;
2381 goto out_unlock;
2382 }
cf7b491d
AN		 2383
2384 if (sta->tdls &&
2385 (vif->p2p ||
fa3d07e4
AN		 2386 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2387 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2388 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2389 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2390 ret = -EBUSY;
2391 goto out_unlock;
2392 }
2393
8ca151b5 2394 ret = iwl_mvm_add_sta(mvm, vif, sta);
1e8f1329 2395 if (sta->tdls && ret == 0) {
fa3d07e4 2396 iwl_mvm_recalc_tdls_state(mvm, vif, true);
1e8f1329
GBA		 2397 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2398 NL80211_TDLS_SETUP);
2399 }
8ca151b5
JB		 2400 } else if (old_state == IEEE80211_STA_NONE &&
2401 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2402 /*
2403 * EBS may be disabled due to previous failures reported by FW.
2404 * Reset EBS status here assuming environment has been changed.
2405 */
2406 mvm->last_ebs_successful = true;
bd1ba664 2407 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
8ca151b5
JB		 2408 ret = 0;
2409 } else if (old_state == IEEE80211_STA_AUTH &&
2410 new_state == IEEE80211_STA_ASSOC) {
8be30c13
AB		 2411 if (vif->type == NL80211_IFTYPE_AP) {
2412 mvmvif->ap_assoc_sta_count++;
2413 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2414 }
7a453973
JB		 2415 ret = iwl_mvm_update_sta(mvm, vif, sta);
2416 if (ret == 0)
2417 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2418 mvmvif->phy_ctxt->channel->band,
2419 true);
8ca151b5
JB		 2420 } else if (old_state == IEEE80211_STA_ASSOC &&
2421 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2422
2423 /* we don't support TDLS during DCM */
2424 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2425 iwl_mvm_teardown_tdls_peers(mvm);
2426
1e8f1329
GBA		 2427 if (sta->tdls)
2428 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2429 NL80211_TDLS_ENABLE_LINK);
2430
7df15b1e 2431 /* enable beacon filtering */
fa7b2e7f 2432 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2433 ret = 0;
2434 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2435 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2436 /* disable beacon filtering */
a1022927 2437 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2438 ret = 0;
2439 } else if (old_state == IEEE80211_STA_ASSOC &&
2440 new_state == IEEE80211_STA_AUTH) {
8be30c13
AB		 2441 if (vif->type == NL80211_IFTYPE_AP) {
2442 mvmvif->ap_assoc_sta_count--;
2443 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2444 }
8ca151b5
JB		 2445 ret = 0;
2446 } else if (old_state == IEEE80211_STA_AUTH &&
2447 new_state == IEEE80211_STA_NONE) {
2448 ret = 0;
2449 } else if (old_state == IEEE80211_STA_NONE &&
2450 new_state == IEEE80211_STA_NOTEXIST) {
2451 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1e8f1329 2452 if (sta->tdls) {
fa3d07e4 2453 iwl_mvm_recalc_tdls_state(mvm, vif, false);
1e8f1329
GBA		 2454 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2455 NL80211_TDLS_DISABLE_LINK);
2456 }
8ca151b5
JB		 2457 } else {
2458 ret = -EIO;
2459 }
48bc1307 2460 out_unlock:
8ca151b5
JB		 2461 mutex_unlock(&mvm->mutex);
2462
9c126cd6
LK		 2463 if (sta->tdls && ret == 0) {
2464 if (old_state == IEEE80211_STA_NOTEXIST &&
2465 new_state == IEEE80211_STA_NONE)
2466 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2467 else if (old_state == IEEE80211_STA_NONE &&
2468 new_state == IEEE80211_STA_NOTEXIST)
2469 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2470 }
2471
8ca151b5
JB		 2472 return ret;
2473}
2474
2475static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2476{
2477 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2478
2479 mvm->rts_threshold = value;
2480
2481 return 0;
2482}
2483
1f3b0ff8
LE		 2484static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2485 struct ieee80211_vif *vif,
2486 struct ieee80211_sta *sta, u32 changed)
2487{
2488 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2489
2490 if (vif->type == NL80211_IFTYPE_STATION &&
2491 changed & IEEE80211_RC_NSS_CHANGED)
2492 iwl_mvm_sf_update(mvm, vif, false);
2493}
2494
8ca151b5
JB		 2495static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2496 struct ieee80211_vif *vif, u16 ac,
2497 const struct ieee80211_tx_queue_params *params)
2498{
2499 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2500 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2501
2502 mvmvif->queue_params[ac] = *params;
2503
2504 /*
2505 * No need to update right away, we'll get BSS_CHANGED_QOS
2506 * The exception is P2P_DEVICE interface which needs immediate update.
2507 */
2508 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2509 int ret;
2510
2511 mutex_lock(&mvm->mutex);
3dfd3a97 2512 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2513 mutex_unlock(&mvm->mutex);
2514 return ret;
2515 }
2516 return 0;
2517}
2518
2519static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2520 struct ieee80211_vif *vif)
2521{
2522 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2523 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2524 200 + vif->bss_conf.beacon_int);
2525 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2526 100 + vif->bss_conf.beacon_int);
2527
2528 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2529 return;
2530
576eeee9
EP		 2531 /*
2532 * iwl_mvm_protect_session() reads directly from the device
2533 * (the system time), so make sure it is available.
2534 */
2535 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2536 return;
2537
8ca151b5
JB		 2538 mutex_lock(&mvm->mutex);
2539 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2540 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2541 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2542
2543 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2544}
2545
35a000b7
DS		 2546static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2547 struct ieee80211_vif *vif,
2548 struct cfg80211_sched_scan_request *req,
633e2713 2549 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2550{
2551 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
35a000b7 2552
35a000b7 2553 int ret;
4660dfbb 2554
35a000b7
DS		 2555 mutex_lock(&mvm->mutex);
2556
1f940386 2557 if (!vif->bss_conf.idle) {
bd5e4744
DS		 2558 ret = -EBUSY;
2559 goto out;
2560 }
2561
19945dfb 2562 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
d2496221 2563
35a000b7
DS		 2564out:
2565 mutex_unlock(&mvm->mutex);
2566 return ret;
2567}
2568
37e3308c
JB		 2569static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2570 struct ieee80211_vif *vif)
35a000b7
DS		 2571{
2572 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2573 int ret;
35a000b7
DS		 2574
2575 mutex_lock(&mvm->mutex);
e7d3abab
LC		 2576
2577 /* Due to a race condition, it's possible that mac80211 asks
2578 * us to stop a sched_scan when it's already stopped. This
2579 * can happen, for instance, if we stopped the scan ourselves,
2580 * called ieee80211_sched_scan_stopped() and the userspace called
2581 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2582 * could run. To handle this, simply return if the scan is
2583 * not running.
2584 */
262888fc 2585 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
e7d3abab
LC		 2586 mutex_unlock(&mvm->mutex);
2587 return 0;
2588 }
2589
c7d42480 2590 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
35a000b7 2591 mutex_unlock(&mvm->mutex);
33ea27f6 2592 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2593
33ea27f6 2594 return ret;
35a000b7
DS		 2595}
2596
8ca151b5
JB		 2597static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2598 enum set_key_cmd cmd,
2599 struct ieee80211_vif *vif,
2600 struct ieee80211_sta *sta,
2601 struct ieee80211_key_conf *key)
2602{
2603 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
f5e28eac
JB		 2604 struct iwl_mvm_sta *mvmsta;
2605 struct iwl_mvm_key_pn *ptk_pn;
2606 int keyidx = key->keyidx;
8ca151b5 2607 int ret;
d6ee54a9 2608 u8 key_offset;
8ca151b5
JB		 2609
2610 if (iwlwifi_mod_params.sw_crypto) {
2611 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2612 return -EOPNOTSUPP;
2613 }
2614
2615 switch (key->cipher) {
2616 case WLAN_CIPHER_SUITE_TKIP:
2617 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1ad4f639 2618 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
8ca151b5 2619 break;
ca8c0f4b
JB		 2620 case WLAN_CIPHER_SUITE_CCMP:
2621 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2622 break;
8ca151b5 2623 case WLAN_CIPHER_SUITE_AES_CMAC:
30686bf7 2624 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
8ca151b5
JB		 2625 break;
2626 case WLAN_CIPHER_SUITE_WEP40:
2627 case WLAN_CIPHER_SUITE_WEP104:
ba3943b0
JB		 2628 /* For non-client mode, only use WEP keys for TX as we probably
2629 * don't have a station yet anyway and would then have to keep
2630 * track of the keys, linking them to each of the clients/peers
2631 * as they appear. For now, don't do that, for performance WEP
2632 * offload doesn't really matter much, but we need it for some
2633 * other offload features in client mode.
8ca151b5 2634 */
ba3943b0
JB		 2635 if (vif->type != NL80211_IFTYPE_STATION)
2636 return 0;
2637 break;
8ca151b5 2638 default:
e36e5433
MS		 2639 /* currently FW supports only one optional cipher scheme */
2640 if (hw->n_cipher_schemes &&
2641 hw->cipher_schemes->cipher == key->cipher)
2642 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2643 else
2644 return -EOPNOTSUPP;
8ca151b5
JB		 2645 }
2646
2647 mutex_lock(&mvm->mutex);
2648
2649 switch (cmd) {
2650 case SET_KEY:
5023d966
JB		 2651 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2652 vif->type == NL80211_IFTYPE_AP) && !sta) {
2653 /*
2654 * GTK on AP interface is a TX-only key, return 0;
2655 * on IBSS they're per-station and because we're lazy
2656 * we don't support them for RX, so do the same.
2657 */
6caffd4f
JB		 2658 ret = 0;
2659 key->hw_key_idx = STA_KEY_IDX_INVALID;
2660 break;
2661 }
2662
b546dcd6
JB		 2663 /* During FW restart, in order to restore the state as it was,
2664 * don't try to reprogram keys we previously failed for.
2665 */
2666 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2667 key->hw_key_idx == STA_KEY_IDX_INVALID) {
2668 IWL_DEBUG_MAC80211(mvm,
2669 "skip invalid idx key programming during restart\n");
2670 ret = 0;
2671 break;
2672 }
2673
f5e28eac
JB		 2674 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2675 sta && iwl_mvm_has_new_rx_api(mvm) &&
2676 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2677 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2678 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2679 struct ieee80211_key_seq seq;
2680 int tid, q;
2681
2682 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2683 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
2684 ptk_pn = kzalloc(sizeof(*ptk_pn) +
2685 mvm->trans->num_rx_queues *
2686 sizeof(ptk_pn->q[0]),
2687 GFP_KERNEL);
2688 if (!ptk_pn) {
2689 ret = -ENOMEM;
2690 break;
2691 }
2692
2693 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2694 ieee80211_get_key_rx_seq(key, tid, &seq);
2695 for (q = 0; q < mvm->trans->num_rx_queues; q++)
2696 memcpy(ptk_pn->q[q].pn[tid],
2697 seq.ccmp.pn,
2698 IEEE80211_CCMP_PN_LEN);
2699 }
2700
2701 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
2702 }
2703
d6ee54a9
LC		 2704 /* in HW restart reuse the index, otherwise request a new one */
2705 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
2706 key_offset = key->hw_key_idx;
2707 else
2708 key_offset = STA_KEY_IDX_INVALID;
2709
8ca151b5 2710 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
d6ee54a9 2711 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
8ca151b5
JB		 2712 if (ret) {
2713 IWL_WARN(mvm, "set key failed\n");
2714 /*
2715 * can't add key for RX, but we don't need it
2716 * in the device for TX so still return 0
2717 */
6caffd4f 2718 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2719 ret = 0;
2720 }
2721
2722 break;
2723 case DISABLE_KEY:
6caffd4f
JB		 2724 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2725 ret = 0;
2726 break;
2727 }
2728
f5e28eac
JB		 2729 if (sta && iwl_mvm_has_new_rx_api(mvm) &&
2730 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2731 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2732 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2733 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2734 ptk_pn = rcu_dereference_protected(
2735 mvmsta->ptk_pn[keyidx],
2736 lockdep_is_held(&mvm->mutex));
2737 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
2738 if (ptk_pn)
2739 kfree_rcu(ptk_pn, rcu_head);
2740 }
2741
8ca151b5
JB		 2742 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2743 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2744 break;
2745 default:
2746 ret = -EINVAL;
2747 }
2748
2749 mutex_unlock(&mvm->mutex);
2750 return ret;
2751}
2752
2753static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2754 struct ieee80211_vif *vif,
2755 struct ieee80211_key_conf *keyconf,
2756 struct ieee80211_sta *sta,
2757 u32 iv32, u16 *phase1key)
2758{
2759 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2760
5023d966
JB		 2761 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2762 return;
2763
8ca151b5
JB		 2764 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2765}
2766
2767
b112889c
AM		 2768static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2769 struct iwl_rx_packet *pkt, void *data)
2770{
2771 struct iwl_mvm *mvm =
2772 container_of(notif_wait, struct iwl_mvm, notif_wait);
2773 struct iwl_hs20_roc_res *resp;
2774 int resp_len = iwl_rx_packet_payload_len(pkt);
2775 struct iwl_mvm_time_event_data *te_data = data;
2776
2777 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2778 return true;
2779
2780 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2781 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2782 return true;
2783 }
2784
2785 resp = (void *)pkt->data;
2786
2787 IWL_DEBUG_TE(mvm,
2788 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2789 resp->status, resp->event_unique_id);
2790
2791 te_data->uid = le32_to_cpu(resp->event_unique_id);
2792 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2793 te_data->uid);
2794
2795 spin_lock_bh(&mvm->time_event_lock);
2796 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2797 spin_unlock_bh(&mvm->time_event_lock);
2798
2799 return true;
2800}
2801
dc28e12f
MG		 2802#define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
2803#define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
2804#define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
2805#define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
2806#define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
b112889c
AM		 2807static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2808 struct ieee80211_channel *channel,
2809 struct ieee80211_vif *vif,
2810 int duration)
2811{
2812 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2813 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2814 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
6eb031d2 2815 static const u16 time_event_response[] = { HOT_SPOT_CMD };
b112889c 2816 struct iwl_notification_wait wait_time_event;
dc28e12f
MG		 2817 u32 dtim_interval = vif->bss_conf.dtim_period *
2818 vif->bss_conf.beacon_int;
2819 u32 req_dur, delay;
b112889c
AM		 2820 struct iwl_hs20_roc_req aux_roc_req = {
2821 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2822 .id_and_color =
2823 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2824 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2825 /* Set the channel info data */
2826 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2827 PHY_BAND_24 : PHY_BAND_5,
2828 .channel_info.channel = channel->hw_value,
2829 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2830 /* Set the time and duration */
2831 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
b112889c
AM		 2832 };
2833
dc28e12f
MG		 2834 delay = AUX_ROC_MIN_DELAY;
2835 req_dur = MSEC_TO_TU(duration);
2836
2837 /*
2838 * If we are associated we want the delay time to be at least one
2839 * dtim interval so that the FW can wait until after the DTIM and
2840 * then start the time event, this will potentially allow us to
2841 * remain off-channel for the max duration.
2842 * Since we want to use almost a whole dtim interval we would also
2843 * like the delay to be for 2-3 dtim intervals, in case there are
2844 * other time events with higher priority.
2845 */
2846 if (vif->bss_conf.assoc) {
2847 delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
2848 /* We cannot remain off-channel longer than the DTIM interval */
2849 if (dtim_interval <= req_dur) {
2850 req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER;
2851 if (req_dur <= AUX_ROC_MIN_DURATION)
2852 req_dur = dtim_interval -
2853 AUX_ROC_MIN_SAFETY_BUFFER;
2854 }
2855 }
2856
2857 aux_roc_req.duration = cpu_to_le32(req_dur);
2858 aux_roc_req.apply_time_max_delay = cpu_to_le32(delay);
2859
2860 IWL_DEBUG_TE(mvm,
2861 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
2862 channel->hw_value, req_dur, duration, delay,
2863 dtim_interval);
b112889c
AM		 2864 /* Set the node address */
2865 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2866
a6cc5163
MG		 2867 lockdep_assert_held(&mvm->mutex);
2868
2869 spin_lock_bh(&mvm->time_event_lock);
2870
2871 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2872 spin_unlock_bh(&mvm->time_event_lock);
2873 return -EIO;
2874 }
2875
b112889c
AM		 2876 te_data->vif = vif;
2877 te_data->duration = duration;
2878 te_data->id = HOT_SPOT_CMD;
2879
b112889c
AM		 2880 spin_unlock_bh(&mvm->time_event_lock);
2881
2882 /*
2883 * Use a notification wait, which really just processes the
2884 * command response and doesn't wait for anything, in order
2885 * to be able to process the response and get the UID inside
2886 * the RX path. Using CMD_WANT_SKB doesn't work because it
2887 * stores the buffer and then wakes up this thread, by which
2888 * time another notification (that the time event started)
2889 * might already be processed unsuccessfully.
2890 */
2891 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2892 time_event_response,
2893 ARRAY_SIZE(time_event_response),
2894 iwl_mvm_rx_aux_roc, te_data);
2895
2896 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2897 &aux_roc_req);
2898
2899 if (res) {
2900 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2901 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2902 goto out_clear_te;
2903 }
2904
2905 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2906 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2907 /* should never fail */
2908 WARN_ON_ONCE(res);
2909
2910 if (res) {
2911 out_clear_te:
2912 spin_lock_bh(&mvm->time_event_lock);
2913 iwl_mvm_te_clear_data(mvm, te_data);
2914 spin_unlock_bh(&mvm->time_event_lock);
2915 }
2916
2917 return res;
2918}
2919
8ca151b5
JB		 2920static int iwl_mvm_roc(struct ieee80211_hw *hw,
2921 struct ieee80211_vif *vif,
2922 struct ieee80211_channel *channel,
d339d5ca
IP		 2923 int duration,
2924 enum ieee80211_roc_type type)
8ca151b5
JB		 2925{
2926 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2927 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2928 struct cfg80211_chan_def chandef;
31d385ae
IP		 2929 struct iwl_mvm_phy_ctxt *phy_ctxt;
2930 int ret, i;
2931
2932 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2933 duration, type);
8ca151b5 2934
6ed13164
MG		 2935 flush_work(&mvm->roc_done_wk);
2936
a6cc5163
MG		 2937 mutex_lock(&mvm->mutex);
2938
b112889c
AM		 2939 switch (vif->type) {
2940 case NL80211_IFTYPE_STATION:
859d914c
JB		 2941 if (fw_has_capa(&mvm->fw->ucode_capa,
2942 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
5ac6c72e
LC		 2943 /* Use aux roc framework (HS20) */
2944 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2945 vif, duration);
2946 goto out_unlock;
2947 }
2948 IWL_ERR(mvm, "hotspot not supported\n");
2949 ret = -EINVAL;
a6cc5163 2950 goto out_unlock;
b112889c
AM		 2951 case NL80211_IFTYPE_P2P_DEVICE:
2952 /* handle below */
2953 break;
2954 default:
2955 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
a6cc5163
MG		 2956 ret = -EINVAL;
2957 goto out_unlock;
8ca151b5
JB		 2958 }
2959
31d385ae
IP		 2960 for (i = 0; i < NUM_PHY_CTX; i++) {
2961 phy_ctxt = &mvm->phy_ctxts[i];
2962 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2963 continue;
2964
2965 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2966 /*
2967 * Unbind the P2P_DEVICE from the current PHY context,
2968 * and if the PHY context is not used remove it.
2969 */
2970 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2971 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2972 goto out_unlock;
2973
2974 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2975
2976 /* Bind the P2P_DEVICE to the current PHY Context */
2977 mvmvif->phy_ctxt = phy_ctxt;
2978
2979 ret = iwl_mvm_binding_add_vif(mvm, vif);
2980 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2981 goto out_unlock;
2982
2983 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2984 goto schedule_time_event;
2985 }
2986 }
2987
2988 /* Need to update the PHY context only if the ROC channel changed */
2989 if (channel == mvmvif->phy_ctxt->channel)
2990 goto schedule_time_event;
2991
8ca151b5 2992 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2993
31d385ae
IP		 2994 /*
2995 * Change the PHY context configuration as it is currently referenced
2996 * only by the P2P Device MAC
2997 */
2998 if (mvmvif->phy_ctxt->ref == 1) {
2999 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
3000 &chandef, 1, 1);
3001 if (ret)
3002 goto out_unlock;
3003 } else {
3004 /*
3005 * The PHY context is shared with other MACs. Need to remove the
3006 * P2P Device from the binding, allocate an new PHY context and
3007 * create a new binding
3008 */
3009 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3010 if (!phy_ctxt) {
3011 ret = -ENOSPC;
3012 goto out_unlock;
3013 }
3014
3015 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
3016 1, 1);
3017 if (ret) {
3018 IWL_ERR(mvm, "Failed to change PHY context\n");
3019 goto out_unlock;
3020 }
3021
3022 /* Unbind the P2P_DEVICE from the current PHY context */
3023 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3024 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3025 goto out_unlock;
3026
3027 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3028
3029 /* Bind the P2P_DEVICE to the new allocated PHY context */
3030 mvmvif->phy_ctxt = phy_ctxt;
3031
3032 ret = iwl_mvm_binding_add_vif(mvm, vif);
3033 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3034 goto out_unlock;
3035
3036 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3037 }
3038
3039schedule_time_event:
8ca151b5 3040 /* Schedule the time events */
e635c797 3041 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 3042
31d385ae 3043out_unlock:
8ca151b5
JB		 3044 mutex_unlock(&mvm->mutex);
3045 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 3046 return ret;
3047}
3048
3049static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
3050{
3051 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3052
3053 IWL_DEBUG_MAC80211(mvm, "enter\n");
3054
3055 mutex_lock(&mvm->mutex);
bf5da87f 3056 iwl_mvm_stop_roc(mvm);
8ca151b5
JB		 3057 mutex_unlock(&mvm->mutex);
3058
3059 IWL_DEBUG_MAC80211(mvm, "leave\n");
3060 return 0;
3061}
3062
b08c1d97
LC		 3063static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
3064 struct ieee80211_chanctx_conf *ctx)
8ca151b5 3065{
fe0f2de3
IP		 3066 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3067 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 3068 int ret;
3069
b08c1d97
LC		 3070 lockdep_assert_held(&mvm->mutex);
3071
53a9d61e 3072 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 3073
fe0f2de3
IP		 3074 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3075 if (!phy_ctxt) {
3076 ret = -ENOSPC;
3077 goto out;
3078 }
8ca151b5 3079
dcbc3e1a 3080 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 3081 ctx->rx_chains_static,
3082 ctx->rx_chains_dynamic);
fe0f2de3
IP		 3083 if (ret) {
3084 IWL_ERR(mvm, "Failed to add PHY context\n");
3085 goto out;
3086 }
3087
53a9d61e 3088 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 3089 *phy_ctxt_id = phy_ctxt->id;
3090out:
b08c1d97
LC		 3091 return ret;
3092}
3093
3094static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
3095 struct ieee80211_chanctx_conf *ctx)
3096{
3097 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3098 int ret;
3099
3100 mutex_lock(&mvm->mutex);
3101 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 3102 mutex_unlock(&mvm->mutex);
b08c1d97 3103
8ca151b5
JB		 3104 return ret;
3105}
3106
b08c1d97
LC		 3107static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
3108 struct ieee80211_chanctx_conf *ctx)
3109{
3110 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3111 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3112
3113 lockdep_assert_held(&mvm->mutex);
3114
3115 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
3116}
3117
8ca151b5
JB		 3118static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
3119 struct ieee80211_chanctx_conf *ctx)
3120{
3121 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 3122
3123 mutex_lock(&mvm->mutex);
b08c1d97 3124 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 3125 mutex_unlock(&mvm->mutex);
3126}
3127
3128static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
3129 struct ieee80211_chanctx_conf *ctx,
3130 u32 changed)
3131{
3132 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 3133 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3134 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 3135
31d385ae
IP		 3136 if (WARN_ONCE((phy_ctxt->ref > 1) &&
3137 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
3138 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 3139 IEEE80211_CHANCTX_CHANGE_RADAR |
3140 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 3141 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3142 phy_ctxt->ref, changed))
3143 return;
3144
8ca151b5 3145 mutex_lock(&mvm->mutex);
4d66449a 3146 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 3147 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 3148 ctx->rx_chains_static,
3149 ctx->rx_chains_dynamic);
3150 mutex_unlock(&mvm->mutex);
3151}
3152
b08c1d97
LC		 3153static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
3154 struct ieee80211_vif *vif,
f0c97783
LC		 3155 struct ieee80211_chanctx_conf *ctx,
3156 bool switching_chanctx)
8ca151b5 3157{
fe0f2de3
IP		 3158 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3159 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 3160 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3161 int ret;
3162
b08c1d97 3163 lockdep_assert_held(&mvm->mutex);
8ca151b5 3164
fe0f2de3 3165 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 3166
3167 switch (vif->type) {
3168 case NL80211_IFTYPE_AP:
4741dd04
LC		 3169 /* only needed if we're switching chanctx (i.e. during CSA) */
3170 if (switching_chanctx) {
bd3398e2
AO		 3171 mvmvif->ap_ibss_active = true;
3172 break;
3173 }
5023d966 3174 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 3175 /*
3176 * The AP binding flow is handled as part of the start_ap flow
5023d966 3177 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 3178 */
3179 ret = 0;
b08c1d97 3180 goto out;
8ca151b5 3181 case NL80211_IFTYPE_STATION:
2533edce 3182 break;
8ca151b5 3183 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 3184 /* always disable PS when a monitor interface is active */
3185 mvmvif->ps_disabled = true;
8ca151b5
JB		 3186 break;
3187 default:
3188 ret = -EINVAL;
b08c1d97 3189 goto out;
8ca151b5
JB		 3190 }
3191
3192 ret = iwl_mvm_binding_add_vif(mvm, vif);
3193 if (ret)
b08c1d97 3194 goto out;
8ca151b5
JB		 3195
3196 /*
92d85562
AB		 3197 * Power state must be updated before quotas,
3198 * otherwise fw will complain.
3199 */
999609f1 3200 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 3201
3202 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 3203 * interfaces. For the other types, the bss_info changed flow
3204 * will handle quota settings.
3205 */
3206 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 3207 mvmvif->monitor_active = true;
7754ae79 3208 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 3209 if (ret)
3210 goto out_remove_binding;
0e39eb03
CRI		 3211
3212 ret = iwl_mvm_add_snif_sta(mvm, vif);
3213 if (ret)
3214 goto out_remove_binding;
3215
8ca151b5
JB		 3216 }
3217
bd3398e2 3218 /* Handle binding during CSA */
a57c688d 3219 if (vif->type == NL80211_IFTYPE_AP) {
7754ae79 3220 iwl_mvm_update_quotas(mvm, false, NULL);
3dfd3a97 3221 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 3222 }
3223
4741dd04 3224 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
686e7fe1
LC		 3225 u32 duration = 2 * vif->bss_conf.beacon_int;
3226
3227 /* iwl_mvm_protect_session() reads directly from the
3228 * device (the system time), so make sure it is
3229 * available.
3230 */
3231 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
3232 if (ret)
3233 goto out_remove_binding;
3234
3235 /* Protect the session to make sure we hear the first
3236 * beacon on the new channel.
3237 */
3238 iwl_mvm_protect_session(mvm, vif, duration, duration,
3239 vif->bss_conf.beacon_int / 2,
3240 true);
3241
3242 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
3243
7754ae79 3244 iwl_mvm_update_quotas(mvm, false, NULL);
0ce04ce7
LC		 3245 }
3246
b08c1d97 3247 goto out;
8ca151b5 3248
b08c1d97 3249out_remove_binding:
8ca151b5 3250 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 3251 iwl_mvm_power_update_mac(mvm);
b08c1d97 3252out:
8ca151b5
JB		 3253 if (ret)
3254 mvmvif->phy_ctxt = NULL;
3255 return ret;
3256}
b08c1d97
LC		 3257static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
3258 struct ieee80211_vif *vif,
3259 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 3260{
3261 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 3262 int ret;
8ca151b5
JB		 3263
3264 mutex_lock(&mvm->mutex);
f0c97783 3265 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 3266 mutex_unlock(&mvm->mutex);
3267
3268 return ret;
3269}
3270
3271static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
3272 struct ieee80211_vif *vif,
f0c97783
LC		 3273 struct ieee80211_chanctx_conf *ctx,
3274 bool switching_chanctx)
b08c1d97
LC		 3275{
3276 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 3277 struct ieee80211_vif *disabled_vif = NULL;
b08c1d97
LC		 3278
3279 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 3280
3281 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
3282
8ca151b5 3283 switch (vif->type) {
5023d966 3284 case NL80211_IFTYPE_ADHOC:
b08c1d97 3285 goto out;
8ca151b5 3286 case NL80211_IFTYPE_MONITOR:
1e1391ca 3287 mvmvif->monitor_active = false;
2533edce 3288 mvmvif->ps_disabled = false;
0e39eb03 3289 iwl_mvm_rm_snif_sta(mvm, vif);
8ca151b5 3290 break;
bd3398e2
AO		 3291 case NL80211_IFTYPE_AP:
3292 /* This part is triggered only during CSA */
4741dd04 3293 if (!switching_chanctx || !mvmvif->ap_ibss_active)
b08c1d97 3294 goto out;
bd3398e2 3295
7ef0aab6
AO		 3296 mvmvif->csa_countdown = false;
3297
003e5236
AO		 3298 /* Set CS bit on all the stations */
3299 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
3300
3301 /* Save blocked iface, the timeout is set on the next beacon */
3302 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
3303
bd3398e2 3304 mvmvif->ap_ibss_active = false;
f0c97783
LC		 3305 break;
3306 case NL80211_IFTYPE_STATION:
3307 if (!switching_chanctx)
3308 break;
3309
3310 disabled_vif = vif;
3311
3dfd3a97 3312 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 3313 break;
8ca151b5
JB		 3314 default:
3315 break;
3316 }
3317
7754ae79 3318 iwl_mvm_update_quotas(mvm, false, disabled_vif);
1e1391ca 3319 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 3320
b08c1d97 3321out:
a11e144e 3322 mvmvif->phy_ctxt = NULL;
999609f1 3323 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 3324}
3325
3326static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
3327 struct ieee80211_vif *vif,
3328 struct ieee80211_chanctx_conf *ctx)
3329{
3330 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3331
3332 mutex_lock(&mvm->mutex);
f0c97783 3333 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 3334 mutex_unlock(&mvm->mutex);
3335}
3336
50cc9574
LC		 3337static int
3338iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
3339 struct ieee80211_vif_chanctx_switch *vifs)
b08c1d97 3340{
b08c1d97
LC		 3341 int ret;
3342
b08c1d97 3343 mutex_lock(&mvm->mutex);
f0c97783 3344 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 3345 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
3346
3347 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
3348 if (ret) {
3349 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
3350 goto out_reassign;
3351 }
3352
f0c97783
LC		 3353 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3354 true);
b08c1d97
LC		 3355 if (ret) {
3356 IWL_ERR(mvm,
3357 "failed to assign new_ctx during channel switch\n");
3358 goto out_remove;
3359 }
3360
f697267f
AN		 3361 /* we don't support TDLS during DCM - can be caused by channel switch */
3362 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3363 iwl_mvm_teardown_tdls_peers(mvm);
3364
b08c1d97
LC		 3365 goto out;
3366
3367out_remove:
3368 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3369
3370out_reassign:
6fd1fb63 3371 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
b08c1d97
LC		 3372 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3373 goto out_restart;
3374 }
3375
6fd1fb63
LC		 3376 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3377 true)) {
b08c1d97
LC		 3378 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3379 goto out_restart;
3380 }
3381
3382 goto out;
3383
3384out_restart:
3385 /* things keep failing, better restart the hw */
3386 iwl_mvm_nic_restart(mvm, false);
3387
3388out:
3389 mutex_unlock(&mvm->mutex);
50cc9574
LC		 3390
3391 return ret;
3392}
3393
48a256e8
LC		 3394static int
3395iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3396 struct ieee80211_vif_chanctx_switch *vifs)
3397{
3398 int ret;
3399
3400 mutex_lock(&mvm->mutex);
3401 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3402
3403 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3404 true);
3405 if (ret) {
3406 IWL_ERR(mvm,
3407 "failed to assign new_ctx during channel switch\n");
3408 goto out_reassign;
3409 }
3410
3411 goto out;
3412
3413out_reassign:
3414 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3415 true)) {
3416 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3417 goto out_restart;
3418 }
3419
3420 goto out;
3421
3422out_restart:
3423 /* things keep failing, better restart the hw */
3424 iwl_mvm_nic_restart(mvm, false);
3425
3426out:
3427 mutex_unlock(&mvm->mutex);
3428
3429 return ret;
3430}
3431
50cc9574
LC		 3432static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3433 struct ieee80211_vif_chanctx_switch *vifs,
3434 int n_vifs,
3435 enum ieee80211_chanctx_switch_mode mode)
3436{
3437 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3438 int ret;
3439
3440 /* we only support a single-vif right now */
3441 if (n_vifs > 1)
3442 return -EOPNOTSUPP;
3443
3444 switch (mode) {
3445 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3446 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3447 break;
3448 case CHANCTX_SWMODE_REASSIGN_VIF:
48a256e8 3449 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
50cc9574
LC		 3450 break;
3451 default:
3452 ret = -EOPNOTSUPP;
3453 break;
3454 }
3455
b08c1d97
LC		 3456 return ret;
3457}
3458
8ca151b5
JB		 3459static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3460 struct ieee80211_sta *sta,
3461 bool set)
3462{
3463 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 3464 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
8ca151b5
JB		 3465
3466 if (!mvm_sta || !mvm_sta->vif) {
3467 IWL_ERR(mvm, "Station is not associated to a vif\n");
3468 return -EINVAL;
3469 }
3470
3471 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3472}
3473
507cadf2
DS		 3474#ifdef CONFIG_NL80211_TESTMODE
3475static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3476 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3477 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 3478 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 3479};
3480
3481static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3482 struct ieee80211_vif *vif,
3483 void *data, int len)
3484{
3485 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3486 int err;
3487 u32 noa_duration;
3488
3489 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3490 if (err)
3491 return err;
3492
3493 if (!tb[IWL_MVM_TM_ATTR_CMD])
3494 return -EINVAL;
3495
3496 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3497 case IWL_MVM_TM_CMD_SET_NOA:
3498 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3499 !vif->bss_conf.enable_beacon ||
3500 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3501 return -EINVAL;
3502
3503 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3504 if (noa_duration >= vif->bss_conf.beacon_int)
3505 return -EINVAL;
3506
3507 mvm->noa_duration = noa_duration;
3508 mvm->noa_vif = vif;
3509
7754ae79 3510 return iwl_mvm_update_quotas(mvm, false, NULL);
f6c6ad42
JB		 3511 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3512 /* must be associated client vif - ignore authorized */
3513 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3514 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3515 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3516 return -EINVAL;
3517
3518 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 3519 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3520 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3521 }
3522
3523 return -EOPNOTSUPP;
3524}
3525
3526static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3527 struct ieee80211_vif *vif,
3528 void *data, int len)
3529{
3530 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3531 int err;
3532
3533 mutex_lock(&mvm->mutex);
3534 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3535 mutex_unlock(&mvm->mutex);
3536
3537 return err;
3538}
3539#endif
3540
622e3f9b
LC		 3541static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3542 struct ieee80211_vif *vif,
3543 struct ieee80211_channel_switch *chsw)
3544{
3545 /* By implementing this operation, we prevent mac80211 from
3546 * starting its own channel switch timer, so that we can call
3547 * ieee80211_chswitch_done() ourselves at the right time
3548 * (which is when the absence time event starts).
3549 */
3550
3551 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3552 "dummy channel switch op\n");
3553}
3554
f028905c
LC		 3555static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3556 struct ieee80211_vif *vif,
3557 struct ieee80211_channel_switch *chsw)
bd3398e2
AO		 3558{
3559 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3560 struct ieee80211_vif *csa_vif;
f6c34820 3561 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
dc88b4ba 3562 u32 apply_time;
f028905c 3563 int ret;
bd3398e2
AO		 3564
3565 mutex_lock(&mvm->mutex);
664322fa 3566
81d62d5a
JB		 3567 mvmvif->csa_failed = false;
3568
6b20d774 3569 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
f028905c 3570 chsw->chandef.center_freq1);
6b20d774 3571
21023b1e 3572 iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
f35d9c55 3573
6b20d774
LC		 3574 switch (vif->type) {
3575 case NL80211_IFTYPE_AP:
3576 csa_vif =
3577 rcu_dereference_protected(mvm->csa_vif,
3578 lockdep_is_held(&mvm->mutex));
3579 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3580 "Another CSA is already in progress")) {
3581 ret = -EBUSY;
3582 goto out_unlock;
3583 }
3584
3585 rcu_assign_pointer(mvm->csa_vif, vif);
7ef0aab6 3586
7ef0aab6
AO		 3587 if (WARN_ONCE(mvmvif->csa_countdown,
3588 "Previous CSA countdown didn't complete")) {
3589 ret = -EBUSY;
3590 goto out_unlock;
3591 }
3592
6b20d774 3593 break;
dc88b4ba 3594 case NL80211_IFTYPE_STATION:
4500e133
LC		 3595 /* Schedule the time event to a bit before beacon 1,
3596 * to make sure we're in the new channel when the
3597 * GO/AP arrives.
3598 */
3599 apply_time = chsw->device_timestamp +
3600 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3601 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
dc88b4ba
LC		 3602
3603 if (chsw->block_tx)
3604 iwl_mvm_csa_client_absent(mvm, vif);
3605
4500e133 3606 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
dc88b4ba 3607 apply_time);
c6e0a3e0
LC		 3608 if (mvmvif->bf_data.bf_enabled) {
3609 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3610 if (ret)
3611 goto out_unlock;
3612 }
3613
dc88b4ba 3614 break;
6b20d774
LC		 3615 default:
3616 break;
3617 }
bd3398e2 3618
f6c34820
LC		 3619 mvmvif->ps_disabled = true;
3620
3621 ret = iwl_mvm_power_update_ps(mvm);
3622 if (ret)
3623 goto out_unlock;
f028905c 3624
e198f5e7
AN		 3625 /* we won't be on this channel any longer */
3626 iwl_mvm_teardown_tdls_peers(mvm);
3627
bd3398e2
AO		 3628out_unlock:
3629 mutex_unlock(&mvm->mutex);
f028905c
LC		 3630
3631 return ret;
bd3398e2
AO		 3632}
3633
f6c34820
LC		 3634static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3635 struct ieee80211_vif *vif)
3636{
3637 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3638 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3639 int ret;
3640
3641 mutex_lock(&mvm->mutex);
3642
81d62d5a
JB		 3643 if (mvmvif->csa_failed) {
3644 mvmvif->csa_failed = false;
3645 ret = -EIO;
3646 goto out_unlock;
3647 }
3648
a57c688d
LC		 3649 if (vif->type == NL80211_IFTYPE_STATION) {
3650 struct iwl_mvm_sta *mvmsta;
3651
3652 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3653 mvmvif->ap_sta_id);
3654
3655 if (WARN_ON(!mvmsta)) {
3656 ret = -EIO;
3657 goto out_unlock;
3658 }
3659
3660 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3661
3662 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
c6e0a3e0
LC		 3663
3664 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3665 if (ret)
3666 goto out_unlock;
686e7fe1
LC		 3667
3668 iwl_mvm_stop_session_protection(mvm, vif);
a57c688d
LC		 3669 }
3670
f6c34820
LC		 3671 mvmvif->ps_disabled = false;
3672
3673 ret = iwl_mvm_power_update_ps(mvm);
3674
a57c688d 3675out_unlock:
f6c34820
LC		 3676 mutex_unlock(&mvm->mutex);
3677
3678 return ret;
3679}
3680
c5b0e7c0
EG		 3681static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3682 struct ieee80211_vif *vif, u32 queues, bool drop)
3683{
3684 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3685 struct iwl_mvm_vif *mvmvif;
3686 struct iwl_mvm_sta *mvmsta;
a0f6bf2a
AN		 3687 struct ieee80211_sta *sta;
3688 int i;
3689 u32 msk = 0;
c5b0e7c0
EG		 3690
3691 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3692 return;
3693
3694 mutex_lock(&mvm->mutex);
3695 mvmvif = iwl_mvm_vif_from_mac80211(vif);
c5b0e7c0 3696
a0f6bf2a
AN		 3697 /* flush the AP-station and all TDLS peers */
3698 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3699 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3700 lockdep_is_held(&mvm->mutex));
3701 if (IS_ERR_OR_NULL(sta))
3702 continue;
3703
3704 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3705 if (mvmsta->vif != vif)
3706 continue;
3707
3708 /* make sure only TDLS peers or the AP are flushed */
3709 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3710
3711 msk |= mvmsta->tfd_queue_msk;
480acbce 3712 }
c5b0e7c0 3713
6d440b25 3714 if (drop) {
5888a40c 3715 if (iwl_mvm_flush_tx_path(mvm, msk, 0))
6d440b25
EG		 3716 IWL_ERR(mvm, "flush request fail\n");
3717 mutex_unlock(&mvm->mutex);
3718 } else {
3719 mutex_unlock(&mvm->mutex);
4e6c48e0 3720
6d440b25
EG		 3721 /* this can take a while, and we may need/want other operations
3722 * to succeed while doing this, so do it without the mutex held
3723 */
3724 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
3725 }
c5b0e7c0
EG		 3726}
3727
91a8bcde
JB		 3728static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
3729 struct survey_info *survey)
3730{
3731 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3732 int ret;
3733
3734 memset(survey, 0, sizeof(*survey));
3735
3736 /* only support global statistics right now */
3737 if (idx != 0)
3738 return -ENOENT;
3739
859d914c 3740 if (fw_has_capa(&mvm->fw->ucode_capa,
91a8bcde
JB		 3741 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3742 return -ENOENT;
3743
3744 mutex_lock(&mvm->mutex);
3745
3746 if (mvm->ucode_loaded) {
33cef925 3747 ret = iwl_mvm_request_statistics(mvm, false);
91a8bcde
JB		 3748 if (ret)
3749 goto out;
3750 }
3751
3752 survey->filled = SURVEY_INFO_TIME |
3753 SURVEY_INFO_TIME_RX |
3754 SURVEY_INFO_TIME_TX |
3755 SURVEY_INFO_TIME_SCAN;
3756 survey->time = mvm->accu_radio_stats.on_time_rf +
3757 mvm->radio_stats.on_time_rf;
3758 do_div(survey->time, USEC_PER_MSEC);
3759
3760 survey->time_rx = mvm->accu_radio_stats.rx_time +
3761 mvm->radio_stats.rx_time;
3762 do_div(survey->time_rx, USEC_PER_MSEC);
3763
3764 survey->time_tx = mvm->accu_radio_stats.tx_time +
3765 mvm->radio_stats.tx_time;
3766 do_div(survey->time_tx, USEC_PER_MSEC);
3767
3768 survey->time_scan = mvm->accu_radio_stats.on_time_scan +
3769 mvm->radio_stats.on_time_scan;
3770 do_div(survey->time_scan, USEC_PER_MSEC);
3771
10a7c028 3772 ret = 0;
91a8bcde
JB		 3773 out:
3774 mutex_unlock(&mvm->mutex);
3775 return ret;
3776}
3777
33cef925
JB		 3778static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
3779 struct ieee80211_vif *vif,
3780 struct ieee80211_sta *sta,
3781 struct station_info *sinfo)
3782{
3783 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3784 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3785 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3786
859d914c
JB		 3787 if (fw_has_capa(&mvm->fw->ucode_capa,
3788 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
33cef925
JB		 3789 return;
3790
3791 /* if beacon filtering isn't on mac80211 does it anyway */
3792 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
3793 return;
3794
3795 if (!vif->bss_conf.assoc)
3796 return;
3797
3798 mutex_lock(&mvm->mutex);
3799
3800 if (mvmvif->ap_sta_id != mvmsta->sta_id)
3801 goto unlock;
3802
3803 if (iwl_mvm_request_statistics(mvm, false))
3804 goto unlock;
3805
3806 sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
3807 mvmvif->beacon_stats.accu_num_beacons;
3808 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
3809 if (mvmvif->beacon_stats.avg_signal) {
3810 /* firmware only reports a value after RXing a few beacons */
3811 sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
3812 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
3813 }
3814 unlock:
3815 mutex_unlock(&mvm->mutex);
3816}
3817
4203263d
EG		 3818static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
3819 struct ieee80211_vif *vif,
3820 const struct ieee80211_event *event)
d42f5350 3821{
5d4f929e 3822#define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
d42f5350
EG		 3823 do { \
3824 if ((_cnt) && --(_cnt)) \
3825 break; \
5d4f929e 3826 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
d42f5350
EG		 3827 } while (0)
3828
d42f5350
EG		 3829 struct iwl_fw_dbg_trigger_tlv *trig;
3830 struct iwl_fw_dbg_trigger_mlme *trig_mlme;
d42f5350
EG		 3831
3832 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
3833 return;
3834
d42f5350
EG		 3835 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
3836 trig_mlme = (void *)trig->data;
3837 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3838 return;
3839
d42f5350
EG		 3840 if (event->u.mlme.data == ASSOC_EVENT) {
3841 if (event->u.mlme.status == MLME_DENIED)
3842 CHECK_MLME_TRIGGER(mvm, trig, buf,
3843 trig_mlme->stop_assoc_denied,
3844 "DENIED ASSOC: reason %d",
3845 event->u.mlme.reason);
3846 else if (event->u.mlme.status == MLME_TIMEOUT)
3847 CHECK_MLME_TRIGGER(mvm, trig, buf,
3848 trig_mlme->stop_assoc_timeout,
3849 "ASSOC TIMEOUT");
3850 } else if (event->u.mlme.data == AUTH_EVENT) {
3851 if (event->u.mlme.status == MLME_DENIED)
3852 CHECK_MLME_TRIGGER(mvm, trig, buf,
3853 trig_mlme->stop_auth_denied,
3854 "DENIED AUTH: reason %d",
3855 event->u.mlme.reason);
3856 else if (event->u.mlme.status == MLME_TIMEOUT)
3857 CHECK_MLME_TRIGGER(mvm, trig, buf,
3858 trig_mlme->stop_auth_timeout,
3859 "AUTH TIMEOUT");
3860 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
3861 CHECK_MLME_TRIGGER(mvm, trig, buf,
3862 trig_mlme->stop_rx_deauth,
3863 "DEAUTH RX %d", event->u.mlme.reason);
3864 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
3865 CHECK_MLME_TRIGGER(mvm, trig, buf,
3866 trig_mlme->stop_tx_deauth,
3867 "DEAUTH TX %d", event->u.mlme.reason);
3868 }
3869#undef CHECK_MLME_TRIGGER
3870}
3871
4203263d
EG		 3872static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
3873 struct ieee80211_vif *vif,
3874 const struct ieee80211_event *event)
3875{
3876 struct iwl_fw_dbg_trigger_tlv *trig;
3877 struct iwl_fw_dbg_trigger_ba *ba_trig;
3878
3879 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3880 return;
3881
3882 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3883 ba_trig = (void *)trig->data;
3884 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3885 return;
3886
3887 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
3888 return;
3889
3890 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3891 "BAR received from %pM, tid %d, ssn %d",
3892 event->u.ba.sta->addr, event->u.ba.tid,
3893 event->u.ba.ssn);
3894}
3895
3896static void
3897iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
3898 struct ieee80211_vif *vif,
3899 const struct ieee80211_event *event)
3900{
3901 struct iwl_fw_dbg_trigger_tlv *trig;
3902 struct iwl_fw_dbg_trigger_ba *ba_trig;
3903
3904 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3905 return;
3906
3907 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3908 ba_trig = (void *)trig->data;
3909 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3910 return;
3911
3912 if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
3913 return;
3914
3915 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3916 "Frame from %pM timed out, tid %d",
3917 event->u.ba.sta->addr, event->u.ba.tid);
3918}
3919
3920static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
3921 struct ieee80211_vif *vif,
3922 const struct ieee80211_event *event)
3923{
3924 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3925
3926 switch (event->type) {
3927 case MLME_EVENT:
3928 iwl_mvm_event_mlme_callback(mvm, vif, event);
3929 break;
3930 case BAR_RX_EVENT:
3931 iwl_mvm_event_bar_rx_callback(mvm, vif, event);
3932 break;
3933 case BA_FRAME_TIMEOUT:
3934 iwl_mvm_event_frame_timeout_callback(mvm, vif, event);
3935 break;
3936 default:
3937 break;
3938 }
3939}
3940
e5209263 3941const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3942 .tx = iwl_mvm_mac_tx,
3943 .ampdu_action = iwl_mvm_mac_ampdu_action,
3944 .start = iwl_mvm_mac_start,
cf2c92d8 3945 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
8ca151b5
JB		 3946 .stop = iwl_mvm_mac_stop,
3947 .add_interface = iwl_mvm_mac_add_interface,
3948 .remove_interface = iwl_mvm_mac_remove_interface,
3949 .config = iwl_mvm_mac_config,
e59647ea 3950 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5 3951 .configure_filter = iwl_mvm_configure_filter,
effd1929 3952 .config_iface_filter = iwl_mvm_config_iface_filter,
8ca151b5
JB		 3953 .bss_info_changed = iwl_mvm_bss_info_changed,
3954 .hw_scan = iwl_mvm_mac_hw_scan,
3955 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3956 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3957 .sta_state = iwl_mvm_mac_sta_state,
3958 .sta_notify = iwl_mvm_mac_sta_notify,
3959 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3960 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3961 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3962 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3963 .conf_tx = iwl_mvm_mac_conf_tx,
3964 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3965 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3966 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3967 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3968 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3969 .set_key = iwl_mvm_mac_set_key,
3970 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3971 .remain_on_channel = iwl_mvm_roc,
3972 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3973 .add_chanctx = iwl_mvm_add_chanctx,
3974 .remove_chanctx = iwl_mvm_remove_chanctx,
3975 .change_chanctx = iwl_mvm_change_chanctx,
3976 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3977 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3978 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3979
5023d966
JB		 3980 .start_ap = iwl_mvm_start_ap_ibss,
3981 .stop_ap = iwl_mvm_stop_ap_ibss,
3982 .join_ibss = iwl_mvm_start_ap_ibss,
3983 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3984
3985 .set_tim = iwl_mvm_set_tim,
3986
622e3f9b 3987 .channel_switch = iwl_mvm_channel_switch,
f028905c 3988 .pre_channel_switch = iwl_mvm_pre_channel_switch,
f6c34820 3989 .post_channel_switch = iwl_mvm_post_channel_switch,
bd3398e2 3990
1d3c3f63
AN		 3991 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
3992 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
3993 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
3994
d42f5350
EG		 3995 .event_callback = iwl_mvm_mac_event_callback,
3996
507cadf2
DS		 3997 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3998
8ca151b5
JB		 3999#ifdef CONFIG_PM_SLEEP
4000 /* look at d3.c */
4001 .suspend = iwl_mvm_suspend,
4002 .resume = iwl_mvm_resume,
4003 .set_wakeup = iwl_mvm_set_wakeup,
4004 .set_rekey_data = iwl_mvm_set_rekey_data,
4005#if IS_ENABLED(CONFIG_IPV6)
4006 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
4007#endif
4008 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
4009#endif
91a8bcde 4010 .get_survey = iwl_mvm_mac_get_survey,
33cef925 4011 .sta_statistics = iwl_mvm_mac_sta_statistics,
8ca151b5 4012};
Linux kernel - Deliverables
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