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iwlwifi: mvm: various trivial cleanups
[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
f92659a1 10 * Copyright(c) 2016 Intel Deutschland GmbH
8ca151b5
JB		 11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
410dc5aa 27 * in the file called COPYING.
8ca151b5
JB		 28 *
29 * Contact Information:
cb2f8277 30 * Intel Linux Wireless <linuxwifi@intel.com>
8ca151b5
JB		 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
32 *
33 * BSD LICENSE
34 *
51368bf7 35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 36 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 *
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
48 * distribution.
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *
65 *****************************************************************************/
66#include <linux/kernel.h>
67#include <linux/slab.h>
68#include <linux/skbuff.h>
69#include <linux/netdevice.h>
70#include <linux/etherdevice.h>
f0c2646a 71#include <linux/ip.h>
2ee8f021 72#include <linux/if_arp.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"
88931cc9 88#include "iwl-nvm-parse.h"
2f89a5d7 89#include "fw-dbg.h"
8ca151b5
JB		 90
91static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
92 {
93 .max = 1,
8eb38710 94 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 95 },
3c15a0fb
JB		 96 {
97 .max = 1,
8eb38710
IP		 98 .types = BIT(NL80211_IFTYPE_AP) |
99 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 100 BIT(NL80211_IFTYPE_P2P_GO),
101 },
102 {
103 .max = 1,
104 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
105 },
8ca151b5
JB		 106};
107
108static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
109 {
2624a5ca 110 .num_different_channels = 2,
8ca151b5
JB		 111 .max_interfaces = 3,
112 .limits = iwl_mvm_limits,
113 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
114 },
115};
116
f0c2646a
JB		 117#ifdef CONFIG_PM_SLEEP
118static const struct nl80211_wowlan_tcp_data_token_feature
119iwl_mvm_wowlan_tcp_token_feature = {
120 .min_len = 0,
121 .max_len = 255,
122 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
123};
124
125static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
126 .tok = &iwl_mvm_wowlan_tcp_token_feature,
127 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
128 sizeof(struct ethhdr) -
129 sizeof(struct iphdr) -
130 sizeof(struct tcphdr),
131 .data_interval_max = 65535, /* __le16 in API */
132 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
133 sizeof(struct ethhdr) -
134 sizeof(struct iphdr) -
135 sizeof(struct tcphdr),
136 .seq = true,
137};
138#endif
139
77736923 140#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 141/*
142 * Use the reserved field to indicate magic values.
143 * these values will only be used internally by the driver,
144 * and won't make it to the fw (reserved will be 0).
145 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
146 * be the vif's ip address. in case there is not a single
147 * ip address (0, or more than 1), this attribute will
148 * be skipped.
149 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
150 * the LSB bytes of the vif's mac address
151 */
152enum {
153 BC_FILTER_MAGIC_NONE = 0,
154 BC_FILTER_MAGIC_IP,
155 BC_FILTER_MAGIC_MAC,
156};
157
77736923
EP		 158static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
159 {
160 /* arp */
161 .discard = 0,
162 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
163 .attrs = {
164 {
165 /* frame type - arp, hw type - ethernet */
166 .offset_type =
167 BCAST_FILTER_OFFSET_PAYLOAD_START,
168 .offset = sizeof(rfc1042_header),
169 .val = cpu_to_be32(0x08060001),
170 .mask = cpu_to_be32(0xffffffff),
171 },
2ee8f021
EP		 172 {
173 /* arp dest ip */
174 .offset_type =
175 BCAST_FILTER_OFFSET_PAYLOAD_START,
176 .offset = sizeof(rfc1042_header) + 2 +
177 sizeof(struct arphdr) +
178 ETH_ALEN + sizeof(__be32) +
179 ETH_ALEN,
180 .mask = cpu_to_be32(0xffffffff),
181 /* mark it as special field */
182 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
183 },
184 },
185 },
186 {
187 /* dhcp offer bcast */
188 .discard = 0,
189 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
190 .attrs = {
191 {
192 /* udp dest port - 68 (bootp client)*/
193 .offset_type = BCAST_FILTER_OFFSET_IP_END,
194 .offset = offsetof(struct udphdr, dest),
195 .val = cpu_to_be32(0x00440000),
196 .mask = cpu_to_be32(0xffff0000),
197 },
198 {
199 /* dhcp - lsb bytes of client hw address */
200 .offset_type = BCAST_FILTER_OFFSET_IP_END,
201 .offset = 38,
202 .mask = cpu_to_be32(0xffffffff),
203 /* mark it as special field */
204 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
205 },
77736923
EP		 206 },
207 },
208 /* last filter must be empty */
209 {},
210};
211#endif
212
7498cf4c
EP		 213void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
214{
7bb426ea 215 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 216 return;
217
218 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 219 spin_lock_bh(&mvm->refs_lock);
220 mvm->refs[ref_type]++;
221 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 222 iwl_trans_ref(mvm->trans);
223}
224
225void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
226{
7bb426ea 227 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 228 return;
229
230 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 231 spin_lock_bh(&mvm->refs_lock);
232 WARN_ON(!mvm->refs[ref_type]--);
233 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 234 iwl_trans_unref(mvm->trans);
235}
236
576eeee9
EP		 237static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
238 enum iwl_mvm_ref_type except_ref)
7498cf4c 239{
576eeee9 240 int i, j;
7498cf4c 241
7bb426ea 242 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 243 return;
244
576eeee9
EP		 245 spin_lock_bh(&mvm->refs_lock);
246 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
247 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 248 continue;
249
576eeee9
EP		 250 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
251 i, mvm->refs[i]);
252 for (j = 0; j < mvm->refs[i]; j++)
253 iwl_trans_unref(mvm->trans);
254 mvm->refs[i] = 0;
7498cf4c 255 }
576eeee9 256 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 257}
258
f4cf8680
EP		 259bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
260{
261 int i;
262 bool taken = false;
263
264 if (!iwl_mvm_is_d0i3_supported(mvm))
265 return true;
266
267 spin_lock_bh(&mvm->refs_lock);
268 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
269 if (mvm->refs[i]) {
270 taken = true;
271 break;
272 }
273 }
274 spin_unlock_bh(&mvm->refs_lock);
275
276 return taken;
277}
278
576eeee9 279int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 280{
281 iwl_mvm_ref(mvm, ref_type);
282
283 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
284 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
285 HZ)) {
286 WARN_ON_ONCE(1);
287 iwl_mvm_unref(mvm, ref_type);
288 return -EIO;
289 }
290
291 return 0;
292}
293
fe0f2de3
IP		 294static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
295{
296 int i;
297
298 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
299 for (i = 0; i < NUM_PHY_CTX; i++) {
300 mvm->phy_ctxts[i].id = i;
301 mvm->phy_ctxts[i].ref = 0;
302 }
303}
304
88931cc9 305struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
8ba2d7a1 306 const char *alpha2,
47c8b154
JD		 307 enum iwl_mcc_source src_id,
308 bool *changed)
88931cc9
AN		 309{
310 struct ieee80211_regdomain *regd = NULL;
311 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
312 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
313 struct iwl_mcc_update_resp *resp;
314
315 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
316
8ba2d7a1 317 lockdep_assert_held(&mvm->mutex);
88931cc9 318
8ba2d7a1 319 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
88931cc9
AN		 320 if (IS_ERR_OR_NULL(resp)) {
321 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
b8c474d9 322 PTR_ERR_OR_ZERO(resp));
8ba2d7a1 323 goto out;
88931cc9
AN		 324 }
325
47c8b154
JD		 326 if (changed)
327 *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
328
162ee3c9 329 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
88931cc9
AN		 330 __le32_to_cpu(resp->n_channels),
331 resp->channels,
332 __le16_to_cpu(resp->mcc));
8ba2d7a1
EH		 333 /* Store the return source id */
334 src_id = resp->source_id;
88931cc9
AN		 335 kfree(resp);
336 if (IS_ERR_OR_NULL(regd)) {
337 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
b8c474d9 338 PTR_ERR_OR_ZERO(regd));
8ba2d7a1 339 goto out;
88931cc9
AN		 340 }
341
8ba2d7a1
EH		 342 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
343 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
88931cc9 344 mvm->lar_regdom_set = true;
8ba2d7a1 345 mvm->mcc_src = src_id;
88931cc9 346
8ba2d7a1 347out:
88931cc9
AN		 348 return regd;
349}
350
47c8b154
JD		 351void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
352{
353 bool changed;
354 struct ieee80211_regdomain *regd;
355
356 if (!iwl_mvm_is_lar_supported(mvm))
357 return;
358
359 regd = iwl_mvm_get_current_regdomain(mvm, &changed);
360 if (!IS_ERR_OR_NULL(regd)) {
361 /* only update the regulatory core if changed */
362 if (changed)
363 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
364
365 kfree(regd);
366 }
367}
368
369struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
370 bool *changed)
8ba2d7a1
EH		 371{
372 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
373 iwl_mvm_is_wifi_mcc_supported(mvm) ?
374 MCC_SOURCE_GET_CURRENT :
47c8b154 375 MCC_SOURCE_OLD_FW, changed);
8ba2d7a1
EH		 376}
377
378int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
379{
380 enum iwl_mcc_source used_src;
381 struct ieee80211_regdomain *regd;
b6e160ab
AN		 382 int ret;
383 bool changed;
8ba2d7a1
EH		 384 const struct ieee80211_regdomain *r =
385 rtnl_dereference(mvm->hw->wiphy->regd);
386
387 if (!r)
b6e160ab 388 return -ENOENT;
8ba2d7a1
EH		 389
390 /* save the last source in case we overwrite it below */
391 used_src = mvm->mcc_src;
392 if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
393 /* Notify the firmware we support wifi location updates */
47c8b154 394 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
8ba2d7a1
EH		 395 if (!IS_ERR_OR_NULL(regd))
396 kfree(regd);
397 }
398
399 /* Now set our last stored MCC and source */
b6e160ab
AN		 400 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
401 &changed);
8ba2d7a1
EH		 402 if (IS_ERR_OR_NULL(regd))
403 return -EIO;
404
b6e160ab
AN		 405 /* update cfg80211 if the regdomain was changed */
406 if (changed)
407 ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
408 else
409 ret = 0;
8ba2d7a1 410
b6e160ab
AN		 411 kfree(regd);
412 return ret;
8ba2d7a1
EH		 413}
414
8ca151b5
JB		 415int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
416{
417 struct ieee80211_hw *hw = mvm->hw;
831e85f3 418 int num_mac, ret, i;
5f4c02e2
JB		 419 static const u32 mvm_ciphers[] = {
420 WLAN_CIPHER_SUITE_WEP40,
421 WLAN_CIPHER_SUITE_WEP104,
422 WLAN_CIPHER_SUITE_TKIP,
423 WLAN_CIPHER_SUITE_CCMP,
424 };
8ca151b5
JB		 425
426 /* Tell mac80211 our characteristics */
30686bf7
JB		 427 ieee80211_hw_set(hw, SIGNAL_DBM);
428 ieee80211_hw_set(hw, SPECTRUM_MGMT);
429 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
430 ieee80211_hw_set(hw, QUEUE_CONTROL);
431 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
432 ieee80211_hw_set(hw, SUPPORTS_PS);
433 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
434 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
435 ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
436 ieee80211_hw_set(hw, CONNECTION_MONITOR);
437 ieee80211_hw_set(hw, CHANCTX_STA_CSA);
438 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
439 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
909ddf0b 440 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
30433d3b 441 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
8ca151b5 442
2d7cf549
JB		 443 if (mvm->trans->max_skb_frags)
444 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
445
19e737c9 446 hw->queues = mvm->first_agg_queue;
398e8c6c 447 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 448 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
449 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
339b3086
ES		 450 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
451 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
8ca151b5 452 hw->rate_control_algorithm = "iwl-mvm-rs";
848955cc
JB		 453 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
454 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
8ca151b5 455
5f4c02e2
JB		 456 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 2);
457 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
458 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
459 hw->wiphy->cipher_suites = mvm->ciphers;
460
8ca151b5
JB		 461 /*
462 * Enable 11w if advertised by firmware and software crypto
463 * is not enabled (as the firmware will interpret some mgmt
464 * packets, so enabling it with software crypto isn't safe)
465 */
466 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
5f4c02e2 467 !iwlwifi_mod_params.sw_crypto) {
30686bf7 468 ieee80211_hw_set(hw, MFP_CAPABLE);
5f4c02e2
JB		 469 mvm->ciphers[hw->wiphy->n_cipher_suites] =
470 WLAN_CIPHER_SUITE_AES_CMAC;
471 hw->wiphy->n_cipher_suites++;
472 }
473
474 /* currently FW API supports only one optional cipher scheme */
475 if (mvm->fw->cs[0].cipher) {
476 mvm->hw->n_cipher_schemes = 1;
477 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
478 mvm->ciphers[hw->wiphy->n_cipher_suites] =
479 mvm->fw->cs[0].cipher;
480 hw->wiphy->n_cipher_suites++;
481 }
8ca151b5 482
30686bf7 483 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
1f940386
LC		 484 hw->wiphy->features |=
485 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
3db93420
JB		 486 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
487 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
fb98be5e 488
8ca151b5
JB		 489 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
490 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 491 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 492
493 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 494 BIT(NL80211_IFTYPE_P2P_CLIENT) |
495 BIT(NL80211_IFTYPE_AP) |
496 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 497 BIT(NL80211_IFTYPE_P2P_DEVICE) |
498 BIT(NL80211_IFTYPE_ADHOC);
5023d966 499
a2f73b6c 500 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
8ba2d7a1
EH		 501 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
502 if (iwl_mvm_is_lar_supported(mvm))
503 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
504 else
505 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
506 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 507
3e56eadf
JB		 508 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
509 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
510
94bbed72 511 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
bd3398e2 512
8ca151b5
JB		 513 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
514 hw->wiphy->n_iface_combinations =
515 ARRAY_SIZE(iwl_mvm_iface_combinations);
516
c451e6d4 517 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5 518 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
f1a68542
EG		 519 /* we can compensate an offset of up to 3 channels = 15 MHz */
520 hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
8ca151b5
JB		 521
522 /* Extract MAC address */
523 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
524 hw->wiphy->addresses = mvm->addresses;
525 hw->wiphy->n_addresses = 1;
831e85f3
IP		 526
527 /* Extract additional MAC addresses if available */
528 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
529 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
530
531 for (i = 1; i < num_mac; i++) {
532 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 533 ETH_ALEN);
831e85f3 534 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 535 hw->wiphy->n_addresses++;
536 }
537
fe0f2de3
IP		 538 iwl_mvm_reset_phy_ctxts(mvm);
539
999d2568 540 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
20f1a5de 541
8ca151b5
JB		 542 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
543
c7d42480 544 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
507e4cda
LC		 545 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
546 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
547
859d914c 548 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
507e4cda
LC		 549 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
550 else
551 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
552
8ca151b5
JB		 553 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
554 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
555 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
3d44eebf 556 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) {
8ca151b5
JB		 557 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
558 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
559
859d914c
JB		 560 if (fw_has_capa(&mvm->fw->ucode_capa,
561 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
562 fw_has_api(&mvm->fw->ucode_capa,
563 IWL_UCODE_TLV_API_LQ_SS_PARAMS))
3d44eebf
ES		 564 hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |=
565 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
566 }
567
8ca151b5
JB		 568 hw->wiphy->hw_version = mvm->trans->hw_id;
569
ade50652 570 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 571 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
572 else
573 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
574
9954b37c
EG		 575 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
576 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
577 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
578 /* we create the 802.11 header and zero length SSID IE. */
579 hw->wiphy->max_sched_scan_ie_len =
580 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
cd55ccea
AS		 581 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
582 hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
583
584 /*
585 * the firmware uses u8 for num of iterations, but 0xff is saved for
586 * infinite loop, so the maximum number of iterations is actually 254.
587 */
588 hw->wiphy->max_sched_scan_plan_iterations = 254;
35a000b7 589
8ca151b5 590 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 591 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 592 NL80211_FEATURE_P2P_GO_OPPPS |
593 NL80211_FEATURE_DYNAMIC_SMPS |
9b5452fd
EG		 594 NL80211_FEATURE_STATIC_SMPS |
595 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
8ca151b5 596
859d914c
JB		 597 if (fw_has_capa(&mvm->fw->ucode_capa,
598 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
f1daa00e 599 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
859d914c
JB		 600 if (fw_has_capa(&mvm->fw->ucode_capa,
601 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
226bcd48 602 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 603
859d914c
JB		 604 if (fw_has_capa(&mvm->fw->ucode_capa,
605 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
73897bd1
AO		 606 hw->wiphy->features |=
607 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
608
859d914c
JB		 609 if (fw_has_capa(&mvm->fw->ucode_capa,
610 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
73897bd1
AO		 611 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
612
8ca151b5
JB		 613 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
614
615#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 616 if (iwl_mvm_is_d0i3_supported(mvm) &&
617 device_can_wakeup(mvm->trans->dev)) {
618 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
619 hw->wiphy->wowlan = &mvm->wowlan;
91742449
EP		 620 }
621
622 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 623 mvm->trans->ops->d3_suspend &&
624 mvm->trans->ops->d3_resume &&
625 device_can_wakeup(mvm->trans->dev)) {
91742449
EP		 626 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
627 WIPHY_WOWLAN_DISCONNECT |
628 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
629 WIPHY_WOWLAN_RFKILL_RELEASE |
630 WIPHY_WOWLAN_NET_DETECT;
8ca151b5 631 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 632 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
633 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
634 WIPHY_WOWLAN_4WAY_HANDSHAKE;
635
636 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
637 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
638 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
c55385f5 639 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
964dc9e2
JB		 640 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
641 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 642 }
643#endif
644
77736923
EP		 645#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
646 /* assign default bcast filtering configuration */
647 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
648#endif
649
8ca151b5
JB		 650 ret = iwl_mvm_leds_init(mvm);
651 if (ret)
652 return ret;
653
859d914c
JB		 654 if (fw_has_capa(&mvm->fw->ucode_capa,
655 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
d8f1c515
AN		 656 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
657 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7c4f0843 658 ieee80211_hw_set(hw, TDLS_WIDER_BW);
d8f1c515
AN		 659 }
660
859d914c
JB		 661 if (fw_has_capa(&mvm->fw->ucode_capa,
662 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
1d3c3f63
AN		 663 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
664 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
665 }
666
93190fb0
AA		 667 hw->netdev_features |= mvm->cfg->features;
668 if (!iwl_mvm_is_csum_supported(mvm))
669 hw->netdev_features &= ~NETIF_F_RXCSUM;
670
41837ca9 671 if (IWL_MVM_SW_TX_CSUM_OFFLOAD)
a3713f8b
EG		 672 hw->netdev_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
673 NETIF_F_TSO | NETIF_F_TSO6;
41837ca9 674
b7327d89
EG		 675 ret = ieee80211_register_hw(mvm->hw);
676 if (ret)
677 iwl_mvm_leds_exit(mvm);
678
679 return ret;
8ca151b5
JB		 680}
681
b2492501
AN		 682static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
683 struct ieee80211_sta *sta,
684 struct sk_buff *skb)
685{
686 struct iwl_mvm_sta *mvmsta;
687 bool defer = false;
688
689 /*
690 * double check the IN_D0I3 flag both before and after
691 * taking the spinlock, in order to prevent taking
692 * the spinlock when not needed.
693 */
694 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
695 return false;
696
697 spin_lock(&mvm->d0i3_tx_lock);
698 /*
699 * testing the flag again ensures the skb dequeue
700 * loop (on d0i3 exit) hasn't run yet.
701 */
702 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
703 goto out;
704
705 mvmsta = iwl_mvm_sta_from_mac80211(sta);
706 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
707 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
708 goto out;
709
710 __skb_queue_tail(&mvm->d0i3_tx, skb);
711 ieee80211_stop_queues(mvm->hw);
712
713 /* trigger wakeup */
714 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
715 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
716
717 defer = true;
718out:
719 spin_unlock(&mvm->d0i3_tx_lock);
720 return defer;
721}
722
8ca151b5
JB		 723static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
724 struct ieee80211_tx_control *control,
725 struct sk_buff *skb)
726{
727 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 728 struct ieee80211_sta *sta = control->sta;
729 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
730 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 731
9ee718aa
EL		 732 if (iwl_mvm_is_radio_killed(mvm)) {
733 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 734 goto drop;
735 }
736
398e8c6c 737 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
a6cc5163
MG		 738 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
739 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
8ca151b5
JB		 740 goto drop;
741
3e56eadf
JB		 742 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
743 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
744 ieee80211_is_mgmt(hdr->frame_control) &&
745 !ieee80211_is_deauth(hdr->frame_control) &&
746 !ieee80211_is_disassoc(hdr->frame_control) &&
747 !ieee80211_is_action(hdr->frame_control)))
748 sta = NULL;
749
750 if (sta) {
b2492501
AN		 751 if (iwl_mvm_defer_tx(mvm, sta, skb))
752 return;
3e56eadf 753 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 754 goto drop;
755 return;
756 }
757
758 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
759 goto drop;
760 return;
761 drop:
762 ieee80211_free_txskb(hw, skb);
763}
764
205e2210
EG		 765static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
766{
767 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
768 return false;
769 return true;
770}
771
772static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
773{
774 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
775 return false;
776 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
777 return true;
778
779 /* enabled by default */
780 return true;
781}
782
4203263d
EG		 783#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
784 do { \
785 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
786 break; \
787 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
788 } while (0)
789
790static void
791iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
792 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
793 enum ieee80211_ampdu_mlme_action action)
794{
795 struct iwl_fw_dbg_trigger_tlv *trig;
796 struct iwl_fw_dbg_trigger_ba *ba_trig;
797
798 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
799 return;
800
801 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
802 ba_trig = (void *)trig->data;
803
804 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
805 return;
806
807 switch (action) {
808 case IEEE80211_AMPDU_TX_OPERATIONAL: {
809 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
810 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
811
812 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
813 "TX AGG START: MAC %pM tid %d ssn %d\n",
814 sta->addr, tid, tid_data->ssn);
815 break;
816 }
817 case IEEE80211_AMPDU_TX_STOP_CONT:
818 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
819 "TX AGG STOP: MAC %pM tid %d\n",
820 sta->addr, tid);
821 break;
822 case IEEE80211_AMPDU_RX_START:
823 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
824 "RX AGG START: MAC %pM tid %d ssn %d\n",
825 sta->addr, tid, rx_ba_ssn);
826 break;
827 case IEEE80211_AMPDU_RX_STOP:
828 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
829 "RX AGG STOP: MAC %pM tid %d\n",
830 sta->addr, tid);
831 break;
832 default:
833 break;
834 }
835}
836
8ca151b5
JB		 837static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
838 struct ieee80211_vif *vif,
50ea05ef 839 struct ieee80211_ampdu_params *params)
8ca151b5
JB		 840{
841 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
842 int ret;
b2492501 843 bool tx_agg_ref = false;
50ea05ef
SS		 844 struct ieee80211_sta *sta = params->sta;
845 enum ieee80211_ampdu_mlme_action action = params->action;
846 u16 tid = params->tid;
847 u16 *ssn = &params->ssn;
848 u8 buf_size = params->buf_size;
bb81bb68 849 bool amsdu = params->amsdu;
8ca151b5
JB		 850
851 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
852 sta->addr, tid, action);
853
854 if (!(mvm->nvm_data->sku_cap_11n_enable))
855 return -EACCES;
856
b2492501 857 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 858 switch (action) {
859 case IEEE80211_AMPDU_TX_START:
860 case IEEE80211_AMPDU_TX_STOP_CONT:
861 case IEEE80211_AMPDU_TX_STOP_FLUSH:
862 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
863 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 864 /*
9256c205
EP		 865 * for tx start, wait synchronously until D0i3 exit to
866 * get the correct sequence number for the tid.
867 * additionally, some other ampdu actions use direct
868 * target access, which is not handled automatically
869 * by the trans layer (unlike commands), so wait for
870 * d0i3 exit in these cases as well.
b2492501 871 */
d40fc489
GG		 872 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
873 if (ret)
874 return ret;
875
876 tx_agg_ref = true;
9256c205
EP		 877 break;
878 default:
879 break;
b2492501
AN		 880 }
881
8ca151b5
JB		 882 mutex_lock(&mvm->mutex);
883
884 switch (action) {
885 case IEEE80211_AMPDU_RX_START:
205e2210 886 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 887 ret = -EINVAL;
888 break;
889 }
854c5705 890 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size);
8ca151b5
JB		 891 break;
892 case IEEE80211_AMPDU_RX_STOP:
854c5705 893 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size);
8ca151b5
JB		 894 break;
895 case IEEE80211_AMPDU_TX_START:
205e2210 896 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 897 ret = -EINVAL;
898 break;
899 }
8ca151b5
JB		 900 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
901 break;
902 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 903 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
904 break;
8ca151b5
JB		 905 case IEEE80211_AMPDU_TX_STOP_FLUSH:
906 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 907 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 908 break;
909 case IEEE80211_AMPDU_TX_OPERATIONAL:
bb81bb68
EG		 910 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
911 buf_size, amsdu);
8ca151b5
JB		 912 break;
913 default:
914 WARN_ON_ONCE(1);
915 ret = -EINVAL;
916 break;
917 }
4203263d
EG		 918
919 if (!ret) {
920 u16 rx_ba_ssn = 0;
921
922 if (action == IEEE80211_AMPDU_RX_START)
923 rx_ba_ssn = *ssn;
924
925 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
926 rx_ba_ssn, action);
927 }
8ca151b5
JB		 928 mutex_unlock(&mvm->mutex);
929
b2492501
AN		 930 /*
931 * If the tid is marked as started, we won't use it for offloaded
932 * traffic on the next D0i3 entry. It's safe to unref.
933 */
934 if (tx_agg_ref)
935 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
936
8ca151b5
JB		 937 return ret;
938}
939
940static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
941 struct ieee80211_vif *vif)
942{
943 struct iwl_mvm *mvm = data;
944 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
945
946 mvmvif->uploaded = false;
947 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
948
8ca151b5
JB		 949 spin_lock_bh(&mvm->time_event_lock);
950 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
951 spin_unlock_bh(&mvm->time_event_lock);
952
fe0f2de3 953 mvmvif->phy_ctxt = NULL;
8a275bad 954 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 955}
956
957static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
958{
58629d9d
JB		 959 /* clear the D3 reconfig, we only need it to avoid dumping a
960 * firmware coredump on reconfiguration, we shouldn't do that
961 * on D3->D0 transition
962 */
b6eaa45a
EG		 963 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
964 mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
58629d9d 965 iwl_mvm_fw_error_dump(mvm);
b6eaa45a 966 }
1bd3cbc1 967
744cb695
EP		 968 /* cleanup all stale references (scan, roc), but keep the
969 * ucode_down ref until reconfig is complete
970 */
971 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
972
8ca151b5 973 iwl_trans_stop_device(mvm->trans);
8ca151b5 974
9af91f46 975 mvm->scan_status = 0;
b1873300 976 mvm->ps_disabled = false;
31b8b343 977 mvm->calibrating = false;
8ca151b5
JB		 978
979 /* just in case one was running */
305d236e 980 iwl_mvm_cleanup_roc_te(mvm);
8ca151b5
JB		 981 ieee80211_remain_on_channel_expired(mvm->hw);
982
737719fe
AN		 983 /*
984 * cleanup all interfaces, even inactive ones, as some might have
985 * gone down during the HW restart
986 */
987 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
8ca151b5 988
fe0f2de3 989 mvm->p2p_device_vif = NULL;
37577fe2 990 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 991
992 iwl_mvm_reset_phy_ctxts(mvm);
9c3deeb5 993 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
8ca151b5 994 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
a0f6bf2a 995 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
8a275bad
EG		 996 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
997 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
998 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
999 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
1000 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
1001 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 1002
1003 ieee80211_wake_queues(mvm->hw);
1004
228670b2
EP		 1005 /* clear any stale d0i3 state */
1006 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1007
8ca151b5 1008 mvm->vif_count = 0;
113a0447 1009 mvm->rx_ba_sessions = 0;
d2709ad7 1010 mvm->fw_dbg_conf = FW_DBG_INVALID;
91a8bcde
JB		 1011
1012 /* keep statistics ticking */
1013 iwl_mvm_accu_radio_stats(mvm);
8ca151b5
JB		 1014}
1015
a0a09243 1016int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 1017{
8ca151b5
JB		 1018 int ret;
1019
a0a09243 1020 lockdep_assert_held(&mvm->mutex);
8ca151b5 1021
a42b2af3
LC		 1022 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1023 /* Clean up some internal and mac80211 state on restart */
8ca151b5 1024 iwl_mvm_restart_cleanup(mvm);
a42b2af3
LC		 1025 } else {
1026 /* Hold the reference to prevent runtime suspend while
1027 * the start procedure runs. It's a bit confusing
1028 * that the UCODE_DOWN reference is taken, but it just
1029 * means "UCODE is not UP yet". ( TODO: rename this
1030 * reference).
1031 */
1032 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1033 }
8ca151b5 1034 ret = iwl_mvm_up(mvm);
c47af22a
JB		 1035
1036 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1037 /* Something went wrong - we need to finish some cleanup
1038 * that normally iwl_mvm_mac_restart_complete() below
1039 * would do.
1040 */
1041 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1042 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1043 }
1044
a0a09243
LC		 1045 return ret;
1046}
1047
1048static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1049{
1050 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1051 int ret;
1052
37948fcf
EP		 1053 /* Some hw restart cleanups must not hold the mutex */
1054 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1055 /*
1056 * Make sure we are out of d0i3. This is needed
1057 * to make sure the reference accounting is correct
1058 * (and there is no stale d0i3_exit_work).
1059 */
1060 wait_event_timeout(mvm->d0i3_exit_waitq,
1061 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1062 &mvm->status),
1063 HZ);
1064 }
1065
a0a09243
LC		 1066 mutex_lock(&mvm->mutex);
1067 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 1068 mutex_unlock(&mvm->mutex);
1069
1070 return ret;
1071}
1072
cf2c92d8 1073static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
8ca151b5 1074{
8ca151b5
JB		 1075 int ret;
1076
1077 mutex_lock(&mvm->mutex);
1078
1079 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 1080 iwl_mvm_d0i3_enable_tx(mvm, NULL);
e7afe89f 1081 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 1082 if (ret)
1083 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1084 ret);
1085
7498cf4c
EP		 1086 /* allow transport/FW low power modes */
1087 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1088
cbd2ae2d
AN		 1089 /*
1090 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1091 * of packets the FW sent out, so we must reconnect.
1092 */
1093 iwl_mvm_teardown_tdls_peers(mvm);
1094
8ca151b5
JB		 1095 mutex_unlock(&mvm->mutex);
1096}
1097
088070a2
EP		 1098static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
1099{
b7282643
LC		 1100 if (iwl_mvm_is_d0i3_supported(mvm) &&
1101 iwl_mvm_enter_d0i3_on_suspend(mvm))
1102 WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq,
1103 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1104 &mvm->status),
1105 HZ),
1106 "D0i3 exit on resume timed out\n");
088070a2
EP		 1107}
1108
cf2c92d8
EP		 1109static void
1110iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1111 enum ieee80211_reconfig_type reconfig_type)
1112{
1113 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1114
1115 switch (reconfig_type) {
1116 case IEEE80211_RECONFIG_TYPE_RESTART:
1117 iwl_mvm_restart_complete(mvm);
1118 break;
1119 case IEEE80211_RECONFIG_TYPE_SUSPEND:
088070a2 1120 iwl_mvm_resume_complete(mvm);
cf2c92d8
EP		 1121 break;
1122 }
1123}
1124
a0a09243 1125void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 1126{
a0a09243 1127 lockdep_assert_held(&mvm->mutex);
7498cf4c 1128
91a8bcde
JB		 1129 /* firmware counters are obviously reset now, but we shouldn't
1130 * partially track so also clear the fw_reset_accu counters.
1131 */
1132 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1133
8ca151b5
JB		 1134 /* async_handlers_wk is now blocked */
1135
1136 /*
1137 * The work item could be running or queued if the
1138 * ROC time event stops just as we get here.
1139 */
c779273b 1140 flush_work(&mvm->roc_done_wk);
8ca151b5
JB		 1141
1142 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 1143
1144 iwl_mvm_async_handlers_purge(mvm);
1145 /* async_handlers_list is empty and will stay empty: HW is stopped */
1146
1147 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 1148 iwl_mvm_del_aux_sta(mvm);
8ca151b5 1149
0a79a0c0
EP		 1150 /*
1151 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1152 * won't be called in this case).
8b2b9fbf
AN		 1153 * But make sure to cleanup interfaces that have gone down before/during
1154 * HW restart was requested.
0a79a0c0 1155 */
8b2b9fbf
AN		 1156 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1157 ieee80211_iterate_interfaces(mvm->hw, 0,
1158 iwl_mvm_cleanup_iterator, mvm);
0a79a0c0 1159
963221be
AB		 1160 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1161 * make sure there's nothing left there and warn if any is found.
1162 */
859d914c 1163 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
963221be
AB		 1164 int i;
1165
507e4cda 1166 for (i = 0; i < mvm->max_scans; i++) {
6185af2a
LC		 1167 if (WARN_ONCE(mvm->scan_uid_status[i],
1168 "UMAC scan UID %d status was not cleaned\n",
1169 i))
1170 mvm->scan_uid_status[i] = 0;
963221be
AB		 1171 }
1172 }
1173
bc44886d 1174 mvm->ucode_loaded = false;
a0a09243 1175}
bc44886d 1176
a0a09243
LC		 1177static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1178{
1179 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1180
1181 flush_work(&mvm->d0i3_exit_work);
1182 flush_work(&mvm->async_handlers_wk);
d2709ad7 1183 cancel_delayed_work_sync(&mvm->fw_dump_wk);
b6eaa45a 1184 iwl_mvm_free_fw_dump_desc(mvm);
a0a09243
LC		 1185
1186 mutex_lock(&mvm->mutex);
1187 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 1188 mutex_unlock(&mvm->mutex);
1189
1190 /*
1191 * The worker might have been waiting for the mutex, let it run and
1192 * discover that its list is now empty.
1193 */
1194 cancel_work_sync(&mvm->async_handlers_wk);
1195}
1196
fe0f2de3
IP		 1197static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1198{
1199 u16 i;
1200
1201 lockdep_assert_held(&mvm->mutex);
1202
1203 for (i = 0; i < NUM_PHY_CTX; i++)
1204 if (!mvm->phy_ctxts[i].ref)
1205 return &mvm->phy_ctxts[i];
1206
1207 IWL_ERR(mvm, "No available PHY context\n");
1208 return NULL;
1209}
1210
d44c3fe6
AA		 1211static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1212 s16 tx_power)
1213{
1214 struct iwl_dev_tx_power_cmd cmd = {
da03f029
JB		 1215 .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
1216 .v2.mac_context_id =
d44c3fe6 1217 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
da03f029 1218 .v2.pwr_restriction = cpu_to_le16(8 * tx_power),
d44c3fe6 1219 };
da03f029 1220 int len = sizeof(cmd);
d44c3fe6 1221
d44c3fe6 1222 if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
da03f029 1223 cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
d44c3fe6 1224
da03f029
JB		 1225 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN))
1226 len = sizeof(cmd.v2);
1227
1228 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
d44c3fe6
AA		 1229}
1230
8ca151b5
JB		 1231static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1232 struct ieee80211_vif *vif)
1233{
1234 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1235 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1236 int ret;
1237
aa5e1832
EG		 1238 mvmvif->mvm = mvm;
1239
d40fc489
GG		 1240 /*
1241 * make sure D0i3 exit is completed, otherwise a target access
1242 * during tx queue configuration could be done when still in
1243 * D0i3 state.
1244 */
1245 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1246 if (ret)
1247 return ret;
1248
8ca151b5
JB		 1249 /*
1250 * Not much to do here. The stack will not allow interface
1251 * types or combinations that we didn't advertise, so we
1252 * don't really have to check the types.
1253 */
1254
1255 mutex_lock(&mvm->mutex);
1256
33cef925
JB		 1257 /* make sure that beacon statistics don't go backwards with FW reset */
1258 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1259 mvmvif->beacon_stats.accu_num_beacons +=
1260 mvmvif->beacon_stats.num_beacons;
1261
e89044d7 1262 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 1263 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1264 if (ret)
1265 goto out_unlock;
1266
1c2abf72 1267 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 1268 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1269 mvm->vif_count++;
ea183d02 1270
8ca151b5
JB		 1271 /*
1272 * The AP binding flow can be done only after the beacon
1273 * template is configured (which happens only in the mac80211
1274 * start_ap() flow), and adding the broadcast station can happen
1275 * only after the binding.
1276 * In addition, since modifying the MAC before adding a bcast
1277 * station is not allowed by the FW, delay the adding of MAC context to
1278 * the point where we can also add the bcast station.
1279 * In short: there's not much we can do at this point, other than
1280 * allocating resources :)
1281 */
5023d966
JB		 1282 if (vif->type == NL80211_IFTYPE_AP ||
1283 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 1284 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1285 if (ret) {
1286 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1287 goto out_release;
1288 }
1289
77740cb4 1290 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1291 goto out_unlock;
1292 }
1293
93190fb0
AA		 1294 mvmvif->features |= hw->netdev_features;
1295
8ca151b5
JB		 1296 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1297 if (ret)
1298 goto out_release;
1299
999609f1 1300 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e 1301 if (ret)
fd66fc1c 1302 goto out_remove_mac;
8ca151b5 1303
7df15b1e 1304 /* beacon filtering */
a1022927 1305 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1306 if (ret)
1307 goto out_remove_mac;
1308
7df15b1e 1309 if (!mvm->bf_allowed_vif &&
73e5f2c5 1310 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1311 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1312 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1313 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1314 }
1315
8ca151b5
JB		 1316 /*
1317 * P2P_DEVICE interface does not have a channel context assigned to it,
1318 * so a dedicated PHY context is allocated to it and the corresponding
1319 * MAC context is bound to it at this stage.
1320 */
1321 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1322
fe0f2de3
IP		 1323 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1324 if (!mvmvif->phy_ctxt) {
1325 ret = -ENOSPC;
bd3351ba 1326 goto out_free_bf;
fe0f2de3 1327 }
8ca151b5 1328
53a9d61e 1329 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1330 ret = iwl_mvm_binding_add_vif(mvm, vif);
1331 if (ret)
53a9d61e 1332 goto out_unref_phy;
8ca151b5 1333
013290aa 1334 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1335 if (ret)
1336 goto out_unbind;
1337
1338 /* Save a pointer to p2p device vif, so it can later be used to
1339 * update the p2p device MAC when a GO is started/stopped */
1340 mvm->p2p_device_vif = vif;
1341 }
1342
63494374 1343 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1344 goto out_unlock;
1345
1346 out_unbind:
1347 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1348 out_unref_phy:
fe0f2de3 1349 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1350 out_free_bf:
1351 if (mvm->bf_allowed_vif == mvmvif) {
1352 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1353 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1354 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1355 }
8ca151b5
JB		 1356 out_remove_mac:
1357 mvmvif->phy_ctxt = NULL;
1358 iwl_mvm_mac_ctxt_remove(mvm, vif);
1359 out_release:
5ee2b215
AB		 1360 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1361 mvm->vif_count--;
1c2abf72 1362
8ca151b5
JB		 1363 iwl_mvm_mac_ctxt_release(mvm, vif);
1364 out_unlock:
1365 mutex_unlock(&mvm->mutex);
1366
d40fc489
GG		 1367 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1368
8ca151b5
JB		 1369 return ret;
1370}
1371
38a12b5b
JB		 1372static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1373 struct ieee80211_vif *vif)
8ca151b5 1374{
d92b732e 1375 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
8ca151b5
JB		 1376
1377 if (tfd_msk) {
fe92e32a
EG		 1378 /*
1379 * mac80211 first removes all the stations of the vif and
1380 * then removes the vif. When it removes a station it also
1381 * flushes the AMPDU session. So by now, all the AMPDU sessions
1382 * of all the stations of this vif are closed, and the queues
1383 * of these AMPDU sessions are properly closed.
1384 * We still need to take care of the shared queues of the vif.
1385 * Flush them here.
1386 */
8ca151b5 1387 mutex_lock(&mvm->mutex);
5888a40c 1388 iwl_mvm_flush_tx_path(mvm, tfd_msk, 0);
8ca151b5 1389 mutex_unlock(&mvm->mutex);
fe92e32a
EG		 1390
1391 /*
1392 * There are transports that buffer a few frames in the host.
1393 * For these, the flush above isn't enough since while we were
1394 * flushing, the transport might have sent more frames to the
1395 * device. To solve this, wait here until the transport is
1396 * empty. Technically, this could have replaced the flush
1397 * above, but flush is much faster than draining. So flush
1398 * first, and drain to make sure we have no frames in the
1399 * transport anymore.
1400 * If a station still had frames on the shared queues, it is
1401 * already marked as draining, so to complete the draining, we
1402 * just need to wait until the transport is empty.
1403 */
1404 iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk);
8ca151b5
JB		 1405 }
1406
1407 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1408 /*
1409 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1410 * We assume here that all the packets sent to the OFFCHANNEL
1411 * queue are sent in ROC session.
1412 */
1413 flush_work(&mvm->roc_done_wk);
1414 } else {
1415 /*
1416 * By now, all the AC queues are empty. The AGG queues are
1417 * empty too. We already got all the Tx responses for all the
1418 * packets in the queues. The drain work can have been
0742a75a 1419 * triggered. Flush it.
8ca151b5
JB		 1420 */
1421 flush_work(&mvm->sta_drained_wk);
1422 }
38a12b5b
JB		 1423}
1424
1425static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1426 struct ieee80211_vif *vif)
1427{
1428 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1429 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1430
1431 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1432
1433 mutex_lock(&mvm->mutex);
1434
7df15b1e
HG		 1435 if (mvm->bf_allowed_vif == mvmvif) {
1436 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1437 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1438 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1439 }
1440
63494374
JB		 1441 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1442
8ca151b5
JB		 1443 /*
1444 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1445 * interface is be handled as part of the stop_ap flow.
8ca151b5 1446 */
5023d966
JB		 1447 if (vif->type == NL80211_IFTYPE_AP ||
1448 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1449#ifdef CONFIG_NL80211_TESTMODE
1450 if (vif == mvm->noa_vif) {
1451 mvm->noa_vif = NULL;
1452 mvm->noa_duration = 0;
1453 }
1454#endif
013290aa 1455 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1456 goto out_release;
1457 }
1458
1459 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1460 mvm->p2p_device_vif = NULL;
013290aa 1461 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1462 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1463 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1464 mvmvif->phy_ctxt = NULL;
1465 }
1466
5ee2b215 1467 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1468 mvm->vif_count--;
1c2abf72 1469
999609f1 1470 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1471 iwl_mvm_mac_ctxt_remove(mvm, vif);
1472
1473out_release:
1474 iwl_mvm_mac_ctxt_release(mvm, vif);
1475 mutex_unlock(&mvm->mutex);
1476}
1477
1478static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1479{
8ca151b5
JB		 1480 return 0;
1481}
1482
e59647ea
EP		 1483struct iwl_mvm_mc_iter_data {
1484 struct iwl_mvm *mvm;
1485 int port_id;
1486};
1487
1488static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1489 struct ieee80211_vif *vif)
1490{
1491 struct iwl_mvm_mc_iter_data *data = _data;
1492 struct iwl_mvm *mvm = data->mvm;
1493 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1494 int ret, len;
1495
1496 /* if we don't have free ports, mcast frames will be dropped */
1497 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1498 return;
1499
1500 if (vif->type != NL80211_IFTYPE_STATION ||
1501 !vif->bss_conf.assoc)
1502 return;
1503
1504 cmd->port_id = data->port_id++;
1505 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1506 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1507
1c4abec0 1508 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1509 if (ret)
1510 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1511}
1512
1513static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1514{
1515 struct iwl_mvm_mc_iter_data iter_data = {
1516 .mvm = mvm,
88f2fd73
MG		 1517 };
1518
e59647ea
EP		 1519 lockdep_assert_held(&mvm->mutex);
1520
1521 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1522 return;
1523
1c4abec0 1524 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1525 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1526 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1527}
1528
e59647ea
EP		 1529static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1530 struct netdev_hw_addr_list *mc_list)
8ca151b5 1531{
e59647ea
EP		 1532 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1533 struct iwl_mcast_filter_cmd *cmd;
1534 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1535 int addr_count;
1536 bool pass_all;
e59647ea
EP		 1537 int len;
1538
f3bd58f4
MS		 1539 addr_count = netdev_hw_addr_list_count(mc_list);
1540 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1541 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1542 if (pass_all)
e59647ea 1543 addr_count = 0;
e59647ea
EP		 1544
1545 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1546 cmd = kzalloc(len, GFP_ATOMIC);
1547 if (!cmd)
1548 return 0;
1549
1550 if (pass_all) {
1551 cmd->pass_all = 1;
1552 return (u64)(unsigned long)cmd;
1553 }
1554
1555 netdev_hw_addr_list_for_each(addr, mc_list) {
1556 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1557 cmd->count, addr->addr);
1558 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1559 addr->addr, ETH_ALEN);
1560 cmd->count++;
1561 }
1562
1563 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1564}
1565
1566static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1567 unsigned int changed_flags,
1568 unsigned int *total_flags,
1569 u64 multicast)
1570{
e59647ea
EP		 1571 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1572 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1573
e59647ea 1574 mutex_lock(&mvm->mutex);
51b6b9e0 1575
e59647ea
EP		 1576 /* replace previous configuration */
1577 kfree(mvm->mcast_filter_cmd);
1578 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1579
e59647ea
EP		 1580 if (!cmd)
1581 goto out;
51b6b9e0 1582
e59647ea
EP		 1583 iwl_mvm_recalc_multicast(mvm);
1584out:
1585 mutex_unlock(&mvm->mutex);
1586 *total_flags = 0;
51b6b9e0
EG		 1587}
1588
effd1929
AO		 1589static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
1590 struct ieee80211_vif *vif,
1591 unsigned int filter_flags,
1592 unsigned int changed_flags)
1593{
1594 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1595
1596 /* We support only filter for probe requests */
1597 if (!(changed_flags & FIF_PROBE_REQ))
1598 return;
1599
1600 /* Supported only for p2p client interfaces */
1601 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1602 !vif->p2p)
1603 return;
1604
1605 mutex_lock(&mvm->mutex);
1606 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1607 mutex_unlock(&mvm->mutex);
1608}
1609
c87163b9
EP		 1610#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1611struct iwl_bcast_iter_data {
1612 struct iwl_mvm *mvm;
1613 struct iwl_bcast_filter_cmd *cmd;
1614 u8 current_filter;
1615};
1616
1617static void
1618iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1619 const struct iwl_fw_bcast_filter *in_filter,
1620 struct iwl_fw_bcast_filter *out_filter)
1621{
1622 struct iwl_fw_bcast_filter_attr *attr;
1623 int i;
1624
1625 memcpy(out_filter, in_filter, sizeof(*out_filter));
1626
1627 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1628 attr = &out_filter->attrs[i];
1629
1630 if (!attr->mask)
1631 break;
1632
2ee8f021
EP		 1633 switch (attr->reserved1) {
1634 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1635 if (vif->bss_conf.arp_addr_cnt != 1) {
1636 attr->mask = 0;
1637 continue;
1638 }
1639
1640 attr->val = vif->bss_conf.arp_addr_list[0];
1641 break;
1642 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1643 attr->val = *(__be32 *)&vif->addr[2];
1644 break;
1645 default:
1646 break;
1647 }
1648 attr->reserved1 = 0;
c87163b9
EP		 1649 out_filter->num_attrs++;
1650 }
1651}
1652
1653static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1654 struct ieee80211_vif *vif)
1655{
1656 struct iwl_bcast_iter_data *data = _data;
1657 struct iwl_mvm *mvm = data->mvm;
1658 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1659 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1660 struct iwl_fw_bcast_mac *bcast_mac;
1661 int i;
1662
1663 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1664 return;
1665
1666 bcast_mac = &cmd->macs[mvmvif->id];
1667
e48393e8
IP		 1668 /*
1669 * enable filtering only for associated stations, but not for P2P
1670 * Clients
1671 */
1672 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1673 !vif->bss_conf.assoc)
c87163b9
EP		 1674 return;
1675
1676 bcast_mac->default_discard = 1;
1677
1678 /* copy all configured filters */
1679 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1680 /*
1681 * Make sure we don't exceed our filters limit.
1682 * if there is still a valid filter to be configured,
1683 * be on the safe side and just allow bcast for this mac.
1684 */
1685 if (WARN_ON_ONCE(data->current_filter >=
1686 ARRAY_SIZE(cmd->filters))) {
1687 bcast_mac->default_discard = 0;
1688 bcast_mac->attached_filters = 0;
1689 break;
1690 }
1691
1692 iwl_mvm_set_bcast_filter(vif,
1693 &mvm->bcast_filters[i],
1694 &cmd->filters[data->current_filter]);
1695
1696 /* skip current filter if it contains no attributes */
1697 if (!cmd->filters[data->current_filter].num_attrs)
1698 continue;
1699
1700 /* attach the filter to current mac */
1701 bcast_mac->attached_filters |=
1702 cpu_to_le16(BIT(data->current_filter));
1703
1704 data->current_filter++;
1705 }
1706}
1707
de06a59e
EP		 1708bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1709 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1710{
c87163b9
EP		 1711 struct iwl_bcast_iter_data iter_data = {
1712 .mvm = mvm,
de06a59e 1713 .cmd = cmd,
c87163b9
EP		 1714 };
1715
3b8983b1
MS		 1716 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1717 return false;
1718
de06a59e
EP		 1719 memset(cmd, 0, sizeof(*cmd));
1720 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1721 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1722
1723#ifdef CONFIG_IWLWIFI_DEBUGFS
1724 /* use debugfs filters/macs if override is configured */
1725 if (mvm->dbgfs_bcast_filtering.override) {
1726 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1727 sizeof(cmd->filters));
1728 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1729 sizeof(cmd->macs));
1730 return true;
1731 }
1732#endif
c87163b9
EP		 1733
1734 /* if no filters are configured, do nothing */
1735 if (!mvm->bcast_filters)
de06a59e 1736 return false;
c87163b9
EP		 1737
1738 /* configure and attach these filters for each associated sta vif */
1739 ieee80211_iterate_active_interfaces(
1740 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1741 iwl_mvm_bcast_filter_iterator, &iter_data);
1742
de06a59e
EP		 1743 return true;
1744}
34672bb3
EP		 1745
1746static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
de06a59e
EP		 1747{
1748 struct iwl_bcast_filter_cmd cmd;
1749
1750 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1751 return 0;
1752
1753 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1754 return 0;
1755
a1022927 1756 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1757 sizeof(cmd), &cmd);
1758}
1759#else
34672bb3 1760static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
c87163b9
EP		 1761{
1762 return 0;
1763}
1764#endif
1765
a07a8f37
SS		 1766static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
1767 struct ieee80211_vif *vif)
1768{
1769 struct iwl_mu_group_mgmt_cmd cmd = {};
1770
1771 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
1772 WLAN_MEMBERSHIP_LEN);
1773 memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
1774 WLAN_USER_POSITION_LEN);
1775
1776 return iwl_mvm_send_cmd_pdu(mvm,
1777 WIDE_ID(DATA_PATH_GROUP,
1778 UPDATE_MU_GROUPS_CMD),
1779 0, sizeof(cmd), &cmd);
1780}
1781
f92659a1
SS		 1782static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
1783 struct ieee80211_vif *vif)
1784{
1785 if (vif->mu_mimo_owner) {
1786 struct iwl_mu_group_mgmt_notif *notif = _data;
1787
1788 /*
1789 * MU-MIMO Group Id action frame is little endian. We treat
1790 * the data received from firmware as if it came from the
1791 * action frame, so no conversion is needed.
1792 */
1793 ieee80211_update_mu_groups(vif,
1794 (u8 *)&notif->membership_status,
1795 (u8 *)&notif->user_position);
1796 }
1797}
1798
1799void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1800 struct iwl_rx_cmd_buffer *rxb)
1801{
1802 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1803 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
1804
1805 ieee80211_iterate_active_interfaces_atomic(
1806 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1807 iwl_mvm_mu_mimo_iface_iterator, notif);
1808}
1809
8ca151b5
JB		 1810static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1811 struct ieee80211_vif *vif,
1812 struct ieee80211_bss_conf *bss_conf,
1813 u32 changes)
1814{
1815 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1816 int ret;
1817
6e97b0d2
IP		 1818 /*
1819 * Re-calculate the tsf id, as the master-slave relations depend on the
1820 * beacon interval, which was not known when the station interface was
1821 * added.
1822 */
1823 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1824 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1825
3dfd3a97
JB		 1826 /*
1827 * If we're not associated yet, take the (new) BSSID before associating
1828 * so the firmware knows. If we're already associated, then use the old
1829 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1830 * branch for disassociation below.
1831 */
1832 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1833 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1834
1835 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1836 if (ret)
1837 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1838
3dfd3a97
JB		 1839 /* after sending it once, adopt mac80211 data */
1840 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1841 mvmvif->associated = bss_conf->assoc;
1842
8ca151b5
JB		 1843 if (changes & BSS_CHANGED_ASSOC) {
1844 if (bss_conf->assoc) {
33cef925
JB		 1845 /* clear statistics to get clean beacon counter */
1846 iwl_mvm_request_statistics(mvm, true);
1847 memset(&mvmvif->beacon_stats, 0,
1848 sizeof(mvmvif->beacon_stats));
1849
8ca151b5 1850 /* add quota for this interface */
7754ae79 1851 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 1852 if (ret) {
1853 IWL_ERR(mvm, "failed to update quotas\n");
1854 return;
1855 }
016d27e1
JB		 1856
1857 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1858 &mvm->status)) {
1859 /*
1860 * If we're restarting then the firmware will
1861 * obviously have lost synchronisation with
1862 * the AP. It will attempt to synchronise by
1863 * itself, but we can make it more reliable by
1864 * scheduling a session protection time event.
1865 *
1866 * The firmware needs to receive a beacon to
1867 * catch up with synchronisation, use 110% of
1868 * the beacon interval.
1869 *
1870 * Set a large maximum delay to allow for more
1871 * than a single interface.
1872 */
1873 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1874 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1875 5 * dur, false);
016d27e1 1876 }
1f3b0ff8
LE		 1877
1878 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1879 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1880 if (vif->p2p) {
29a90a49 1881 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1882 iwl_mvm_update_smps(mvm, vif,
1883 IWL_MVM_SMPS_REQ_PROT,
1884 IEEE80211_SMPS_DYNAMIC);
1885 }
8ca151b5 1886 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1887 /*
1888 * If update fails - SF might be running in associated
1889 * mode while disassociated - which is forbidden.
1890 */
1891 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1892 "Failed to update SF upon disassociation\n");
1893
8ca151b5
JB		 1894 /* remove AP station now that the MAC is unassoc */
1895 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1896 if (ret)
1897 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1898
1899 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1900 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1901 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1902 /* remove quota for this interface */
7754ae79 1903 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 1904 if (ret)
1905 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1906
1907 if (vif->p2p)
1908 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1909
1910 /* this will take the cleared BSSID from bss_conf */
1911 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1912 if (ret)
1913 IWL_ERR(mvm,
1914 "failed to update MAC %pM (clear after unassoc)\n",
1915 vif->addr);
8ca151b5 1916 }
a20fd398 1917
a07a8f37
SS		 1918 /*
1919 * The firmware tracks the MU-MIMO group on its own.
f92659a1 1920 * However, on HW restart we should restore this data.
a07a8f37
SS		 1921 */
1922 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
f92659a1 1923 (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) {
a07a8f37
SS		 1924 ret = iwl_mvm_update_mu_groups(mvm, vif);
1925 if (ret)
1926 IWL_ERR(mvm,
1927 "failed to update VHT MU_MIMO groups\n");
1928 }
1929
e59647ea 1930 iwl_mvm_recalc_multicast(mvm);
34672bb3 1931 iwl_mvm_configure_bcast_filter(mvm);
e59647ea 1932
a20fd398
AO		 1933 /* reset rssi values */
1934 mvmvif->bf_data.ave_beacon_signal = 0;
1935
8e484f0b 1936 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1937 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1938 IEEE80211_SMPS_AUTOMATIC);
355346ba
AS		 1939 if (fw_has_capa(&mvm->fw->ucode_capa,
1940 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1941 iwl_mvm_config_scan(mvm);
989c6505 1942 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1943 /*
1944 * We received a beacon _after_ association so
1945 * remove the session protection.
1946 */
1947 iwl_mvm_remove_time_event(mvm, mvmvif,
1948 &mvmvif->time_event_data);
8ca151b5 1949 }
cc87d322
EH		 1950
1951 if (changes & BSS_CHANGED_BEACON_INFO) {
1952 iwl_mvm_sf_update(mvm, vif, false);
1953 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1954 }
1955
1bc10d3b
JB		 1956 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1957 ret = iwl_mvm_power_update_mac(mvm);
1958 if (ret)
1959 IWL_ERR(mvm, "failed to update power mode\n");
1960 }
1961
88f2fd73
MG		 1962 if (changes & BSS_CHANGED_TXPOWER) {
1963 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1964 bss_conf->txpower);
1965 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1966 }
a20fd398
AO		 1967
1968 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1969 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1970 /* reset cqm events tracking */
1971 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1972 if (mvmvif->bf_data.bf_enabled) {
1973 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1974 if (ret)
1975 IWL_ERR(mvm,
1976 "failed to update CQM thresholds\n");
1977 }
a20fd398 1978 }
2ee8f021
EP		 1979
1980 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1981 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
34672bb3 1982 iwl_mvm_configure_bcast_filter(mvm);
2ee8f021 1983 }
8ca151b5
JB		 1984}
1985
5023d966
JB		 1986static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1987 struct ieee80211_vif *vif)
8ca151b5
JB		 1988{
1989 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1990 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1991 int ret;
1992
576eeee9
EP		 1993 /*
1994 * iwl_mvm_mac_ctxt_add() might read directly from the device
1995 * (the system time), so make sure it is available.
1996 */
1997 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1998 if (ret)
1999 return ret;
2000
8ca151b5
JB		 2001 mutex_lock(&mvm->mutex);
2002
2003 /* Send the beacon template */
2004 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
2005 if (ret)
2006 goto out_unlock;
2007
6e97b0d2
IP		 2008 /*
2009 * Re-calculate the tsf id, as the master-slave relations depend on the
2010 * beacon interval, which was not known when the AP interface was added.
2011 */
2012 if (vif->type == NL80211_IFTYPE_AP)
2013 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2014
94939080
GG		 2015 mvmvif->ap_assoc_sta_count = 0;
2016
8ca151b5
JB		 2017 /* Add the mac context */
2018 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2019 if (ret)
2020 goto out_unlock;
2021
2022 /* Perform the binding */
2023 ret = iwl_mvm_binding_add_vif(mvm, vif);
2024 if (ret)
2025 goto out_remove;
2026
8ca151b5
JB		 2027 /* Send the bcast station. At this stage the TBTT and DTIM time events
2028 * are added and applied to the scheduler */
013290aa 2029 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 2030 if (ret)
2031 goto out_unbind;
2032
5691e218
IP		 2033 /* must be set before quota calculations */
2034 mvmvif->ap_ibss_active = true;
2035
a11e144e 2036 /* power updated needs to be done before quotas */
999609f1 2037 iwl_mvm_power_update_mac(mvm);
a11e144e 2038
7754ae79 2039 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5 2040 if (ret)
a11e144e 2041 goto out_quota_failed;
8ca151b5 2042
5023d966 2043 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2044 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2045 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2046
29a90a49
EP		 2047 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
2048
8e484f0b 2049 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2050
f697267f
AN		 2051 /* we don't support TDLS during DCM */
2052 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2053 iwl_mvm_teardown_tdls_peers(mvm);
2054
939e4904 2055 goto out_unlock;
8ca151b5 2056
a11e144e 2057out_quota_failed:
999609f1 2058 iwl_mvm_power_update_mac(mvm);
5691e218 2059 mvmvif->ap_ibss_active = false;
013290aa 2060 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 2061out_unbind:
2062 iwl_mvm_binding_remove_vif(mvm, vif);
2063out_remove:
2064 iwl_mvm_mac_ctxt_remove(mvm, vif);
2065out_unlock:
2066 mutex_unlock(&mvm->mutex);
576eeee9 2067 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 2068 return ret;
2069}
2070
5023d966
JB		 2071static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2072 struct ieee80211_vif *vif)
8ca151b5
JB		 2073{
2074 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2075 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2076
38a12b5b
JB		 2077 iwl_mvm_prepare_mac_removal(mvm, vif);
2078
8ca151b5
JB		 2079 mutex_lock(&mvm->mutex);
2080
664322fa 2081 /* Handle AP stop while in CSA */
7f0a7c67
AO		 2082 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2083 iwl_mvm_remove_time_event(mvm, mvmvif,
2084 &mvmvif->time_event_data);
664322fa 2085 RCU_INIT_POINTER(mvm->csa_vif, NULL);
e9cb0327 2086 mvmvif->csa_countdown = false;
7f0a7c67 2087 }
664322fa 2088
003e5236
AO		 2089 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2090 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2091 mvm->csa_tx_block_bcn_timeout = 0;
2092 }
2093
5023d966 2094 mvmvif->ap_ibss_active = false;
1c87bbad 2095 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 2096
8e484f0b 2097 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2098
29a90a49
EP		 2099 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
2100
5023d966 2101 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2102 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2103 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2104
7754ae79 2105 iwl_mvm_update_quotas(mvm, false, NULL);
013290aa 2106 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 2107 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 2108
999609f1 2109 iwl_mvm_power_update_mac(mvm);
a11e144e 2110
8ca151b5
JB		 2111 iwl_mvm_mac_ctxt_remove(mvm, vif);
2112
2113 mutex_unlock(&mvm->mutex);
2114}
2115
5023d966
JB		 2116static void
2117iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2118 struct ieee80211_vif *vif,
2119 struct ieee80211_bss_conf *bss_conf,
2120 u32 changes)
8ca151b5 2121{
be2056fc 2122 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 2123
be2056fc
IP		 2124 /* Changes will be applied when the AP/IBSS is started */
2125 if (!mvmvif->ap_ibss_active)
2126 return;
2127
863230da 2128 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 2129 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 2130 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 2131 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 2132
8ca151b5 2133 /* Need to send a new beacon template to the FW */
863230da
JB		 2134 if (changes & BSS_CHANGED_BEACON &&
2135 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2136 IWL_WARN(mvm, "Failed updating beacon data\n");
79b7a69d
HD		 2137
2138 if (changes & BSS_CHANGED_TXPOWER) {
2139 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2140 bss_conf->txpower);
2141 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2142 }
8ca151b5
JB		 2143}
2144
2145static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2146 struct ieee80211_vif *vif,
2147 struct ieee80211_bss_conf *bss_conf,
2148 u32 changes)
2149{
2150 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2151
576eeee9
EP		 2152 /*
2153 * iwl_mvm_bss_info_changed_station() might call
2154 * iwl_mvm_protect_session(), which reads directly from
2155 * the device (the system time), so make sure it is available.
2156 */
2157 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
2158 return;
2159
8ca151b5
JB		 2160 mutex_lock(&mvm->mutex);
2161
723f02ed 2162 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
c7d42480 2163 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
723f02ed 2164
8ca151b5
JB		 2165 switch (vif->type) {
2166 case NL80211_IFTYPE_STATION:
2167 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2168 break;
2169 case NL80211_IFTYPE_AP:
5023d966
JB		 2170 case NL80211_IFTYPE_ADHOC:
2171 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 2172 break;
2173 default:
2174 /* shouldn't happen */
2175 WARN_ON_ONCE(1);
2176 }
2177
2178 mutex_unlock(&mvm->mutex);
576eeee9 2179 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 2180}
2181
2182static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2183 struct ieee80211_vif *vif,
c56ef672 2184 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 2185{
2186 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2187 int ret;
2188
6749dd80
LC		 2189 if (hw_req->req.n_channels == 0 ||
2190 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 2191 return -EINVAL;
2192
2193 mutex_lock(&mvm->mutex);
6749dd80 2194 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
8ca151b5 2195 mutex_unlock(&mvm->mutex);
6749dd80 2196
8ca151b5
JB		 2197 return ret;
2198}
2199
2200static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2201 struct ieee80211_vif *vif)
2202{
2203 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2204
2205 mutex_lock(&mvm->mutex);
2206
e7d3abab
LC		 2207 /* Due to a race condition, it's possible that mac80211 asks
2208 * us to stop a hw_scan when it's already stopped. This can
2209 * happen, for instance, if we stopped the scan ourselves,
2210 * called ieee80211_scan_completed() and the userspace called
2211 * cancel scan scan before ieee80211_scan_work() could run.
2212 * To handle that, simply return if the scan is not running.
2213 */
262888fc 2214 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
c7d42480 2215 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
8ca151b5
JB		 2216
2217 mutex_unlock(&mvm->mutex);
2218}
2219
2220static void
2221iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 2222 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 2223 int num_frames,
2224 enum ieee80211_frame_release_type reason,
2225 bool more_data)
2226{
2227 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 2228
3e56eadf 2229 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 2230
3e56eadf
JB		 2231 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2232 tids, more_data, false);
2233}
2234
2235static void
2236iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2237 struct ieee80211_sta *sta, u16 tids,
2238 int num_frames,
2239 enum ieee80211_frame_release_type reason,
2240 bool more_data)
2241{
2242 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2243
2244 /* Called when we need to transmit (a) frame(s) from agg queue */
2245
2246 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2247 tids, more_data, true);
8ca151b5
JB		 2248}
2249
2250static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2251 struct ieee80211_vif *vif,
2252 enum sta_notify_cmd cmd,
2253 struct ieee80211_sta *sta)
2254{
2255 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 2256 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
c22b0ff5 2257 unsigned long txqs = 0, tids = 0;
3e56eadf 2258 int tid;
8ca151b5 2259
c22b0ff5
EG		 2260 spin_lock_bh(&mvmsta->lock);
2261 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2262 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
2263
2264 if (tid_data->state != IWL_AGG_ON &&
2265 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2266 continue;
2267
2268 __set_bit(tid_data->txq_id, &txqs);
2269
2270 if (iwl_mvm_tid_queued(tid_data) == 0)
2271 continue;
2272
2273 __set_bit(tid, &tids);
2274 }
2275
8ca151b5
JB		 2276 switch (cmd) {
2277 case STA_NOTIFY_SLEEP:
e3d4bc8c 2278 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 2279 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf 2280
c22b0ff5 2281 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
3e56eadf 2282 ieee80211_sta_set_buffered(sta, tid, true);
c22b0ff5
EG		 2283
2284 if (txqs)
2285 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
8ca151b5
JB		 2286 /*
2287 * The fw updates the STA to be asleep. Tx packets on the Tx
2288 * queues to this station will not be transmitted. The fw will
2289 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2290 */
2291 break;
2292 case STA_NOTIFY_AWAKE:
881acd89 2293 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 2294 break;
c22b0ff5
EG		 2295
2296 if (txqs)
2297 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
9cc40712 2298 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 2299 break;
2300 default:
2301 break;
2302 }
c22b0ff5 2303 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 2304}
2305
1ddbbb0c
JB		 2306static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2307 struct ieee80211_vif *vif,
2308 struct ieee80211_sta *sta)
2309{
2310 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 2311 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
1ddbbb0c
JB		 2312
2313 /*
2314 * This is called before mac80211 does RCU synchronisation,
2315 * so here we already invalidate our internal RCU-protected
2316 * station pointer. The rest of the code will thus no longer
2317 * be able to find the station this way, and we don't rely
2318 * on further RCU synchronisation after the sta_state()
2319 * callback deleted the station.
2320 */
2321 mutex_lock(&mvm->mutex);
2322 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2323 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2324 ERR_PTR(-ENOENT));
94939080 2325
1ddbbb0c
JB		 2326 mutex_unlock(&mvm->mutex);
2327}
2328
bd1ba664
JB		 2329static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2330 const u8 *bssid)
2331{
2332 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2333 return;
2334
2335 if (iwlwifi_mod_params.uapsd_disable) {
2336 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2337 return;
2338 }
2339
2340 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2341}
2342
1e8f1329
GBA		 2343static void
2344iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
2345 struct ieee80211_vif *vif, u8 *peer_addr,
2346 enum nl80211_tdls_operation action)
2347{
2348 struct iwl_fw_dbg_trigger_tlv *trig;
2349 struct iwl_fw_dbg_trigger_tdls *tdls_trig;
2350
2351 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
2352 return;
2353
2354 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
2355 tdls_trig = (void *)trig->data;
2356 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
2357 return;
2358
2359 if (!(tdls_trig->action_bitmap & BIT(action)))
2360 return;
2361
2362 if (tdls_trig->peer_mode &&
2363 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
2364 return;
2365
2366 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
2367 "TDLS event occurred, peer %pM, action %d",
2368 peer_addr, action);
2369}
2370
8ca151b5
JB		 2371static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2372 struct ieee80211_vif *vif,
2373 struct ieee80211_sta *sta,
2374 enum ieee80211_sta_state old_state,
2375 enum ieee80211_sta_state new_state)
2376{
2377 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2378 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2379 int ret;
2380
2381 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2382 sta->addr, old_state, new_state);
2383
2384 /* this would be a mac80211 bug ... but don't crash */
2385 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2386 return -EINVAL;
2387
2388 /* if a STA is being removed, reuse its ID */
2389 flush_work(&mvm->sta_drained_wk);
2390
2391 mutex_lock(&mvm->mutex);
2392 if (old_state == IEEE80211_STA_NOTEXIST &&
2393 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2394 /*
2395 * Firmware bug - it'll crash if the beacon interval is less
2396 * than 16. We can't avoid connecting at all, so refuse the
2397 * station state change, this will cause mac80211 to abandon
2398 * attempts to connect to this AP, and eventually wpa_s will
2399 * blacklist the AP...
2400 */
2401 if (vif->type == NL80211_IFTYPE_STATION &&
2402 vif->bss_conf.beacon_int < 16) {
2403 IWL_ERR(mvm,
2404 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2405 sta->addr, vif->bss_conf.beacon_int);
2406 ret = -EINVAL;
2407 goto out_unlock;
2408 }
cf7b491d
AN		 2409
2410 if (sta->tdls &&
2411 (vif->p2p ||
fa3d07e4
AN		 2412 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2413 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2414 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2415 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2416 ret = -EBUSY;
2417 goto out_unlock;
2418 }
2419
8ca151b5 2420 ret = iwl_mvm_add_sta(mvm, vif, sta);
1e8f1329 2421 if (sta->tdls && ret == 0) {
fa3d07e4 2422 iwl_mvm_recalc_tdls_state(mvm, vif, true);
1e8f1329
GBA		 2423 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2424 NL80211_TDLS_SETUP);
2425 }
8ca151b5
JB		 2426 } else if (old_state == IEEE80211_STA_NONE &&
2427 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2428 /*
2429 * EBS may be disabled due to previous failures reported by FW.
2430 * Reset EBS status here assuming environment has been changed.
2431 */
2432 mvm->last_ebs_successful = true;
bd1ba664 2433 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
8ca151b5
JB		 2434 ret = 0;
2435 } else if (old_state == IEEE80211_STA_AUTH &&
2436 new_state == IEEE80211_STA_ASSOC) {
8be30c13
AB		 2437 if (vif->type == NL80211_IFTYPE_AP) {
2438 mvmvif->ap_assoc_sta_count++;
2439 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2440 }
7a453973
JB		 2441 ret = iwl_mvm_update_sta(mvm, vif, sta);
2442 if (ret == 0)
2443 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2444 mvmvif->phy_ctxt->channel->band,
2445 true);
8ca151b5
JB		 2446 } else if (old_state == IEEE80211_STA_ASSOC &&
2447 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2448
2449 /* we don't support TDLS during DCM */
2450 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2451 iwl_mvm_teardown_tdls_peers(mvm);
2452
1e8f1329
GBA		 2453 if (sta->tdls)
2454 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2455 NL80211_TDLS_ENABLE_LINK);
2456
7df15b1e 2457 /* enable beacon filtering */
fa7b2e7f 2458 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2459 ret = 0;
2460 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2461 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2462 /* disable beacon filtering */
a1022927 2463 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2464 ret = 0;
2465 } else if (old_state == IEEE80211_STA_ASSOC &&
2466 new_state == IEEE80211_STA_AUTH) {
8be30c13
AB		 2467 if (vif->type == NL80211_IFTYPE_AP) {
2468 mvmvif->ap_assoc_sta_count--;
2469 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2470 }
8ca151b5
JB		 2471 ret = 0;
2472 } else if (old_state == IEEE80211_STA_AUTH &&
2473 new_state == IEEE80211_STA_NONE) {
2474 ret = 0;
2475 } else if (old_state == IEEE80211_STA_NONE &&
2476 new_state == IEEE80211_STA_NOTEXIST) {
2477 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1e8f1329 2478 if (sta->tdls) {
fa3d07e4 2479 iwl_mvm_recalc_tdls_state(mvm, vif, false);
1e8f1329
GBA		 2480 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2481 NL80211_TDLS_DISABLE_LINK);
2482 }
8ca151b5
JB		 2483 } else {
2484 ret = -EIO;
2485 }
48bc1307 2486 out_unlock:
8ca151b5
JB		 2487 mutex_unlock(&mvm->mutex);
2488
9c126cd6
LK		 2489 if (sta->tdls && ret == 0) {
2490 if (old_state == IEEE80211_STA_NOTEXIST &&
2491 new_state == IEEE80211_STA_NONE)
2492 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2493 else if (old_state == IEEE80211_STA_NONE &&
2494 new_state == IEEE80211_STA_NOTEXIST)
2495 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2496 }
2497
8ca151b5
JB		 2498 return ret;
2499}
2500
2501static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2502{
2503 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2504
2505 mvm->rts_threshold = value;
2506
2507 return 0;
2508}
2509
1f3b0ff8
LE		 2510static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2511 struct ieee80211_vif *vif,
2512 struct ieee80211_sta *sta, u32 changed)
2513{
2514 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2515
2516 if (vif->type == NL80211_IFTYPE_STATION &&
2517 changed & IEEE80211_RC_NSS_CHANGED)
2518 iwl_mvm_sf_update(mvm, vif, false);
2519}
2520
8ca151b5
JB		 2521static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2522 struct ieee80211_vif *vif, u16 ac,
2523 const struct ieee80211_tx_queue_params *params)
2524{
2525 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2526 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2527
2528 mvmvif->queue_params[ac] = *params;
2529
2530 /*
2531 * No need to update right away, we'll get BSS_CHANGED_QOS
2532 * The exception is P2P_DEVICE interface which needs immediate update.
2533 */
2534 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2535 int ret;
2536
2537 mutex_lock(&mvm->mutex);
3dfd3a97 2538 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2539 mutex_unlock(&mvm->mutex);
2540 return ret;
2541 }
2542 return 0;
2543}
2544
2545static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2546 struct ieee80211_vif *vif)
2547{
2548 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2549 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2550 200 + vif->bss_conf.beacon_int);
2551 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2552 100 + vif->bss_conf.beacon_int);
2553
2554 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2555 return;
2556
576eeee9
EP		 2557 /*
2558 * iwl_mvm_protect_session() reads directly from the device
2559 * (the system time), so make sure it is available.
2560 */
2561 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2562 return;
2563
8ca151b5
JB		 2564 mutex_lock(&mvm->mutex);
2565 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2566 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2567 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2568
2569 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2570}
2571
35a000b7
DS		 2572static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2573 struct ieee80211_vif *vif,
2574 struct cfg80211_sched_scan_request *req,
633e2713 2575 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2576{
2577 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
35a000b7 2578
35a000b7 2579 int ret;
4660dfbb 2580
35a000b7
DS		 2581 mutex_lock(&mvm->mutex);
2582
1f940386 2583 if (!vif->bss_conf.idle) {
bd5e4744
DS		 2584 ret = -EBUSY;
2585 goto out;
2586 }
2587
19945dfb 2588 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
d2496221 2589
35a000b7
DS		 2590out:
2591 mutex_unlock(&mvm->mutex);
2592 return ret;
2593}
2594
37e3308c
JB		 2595static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2596 struct ieee80211_vif *vif)
35a000b7
DS		 2597{
2598 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2599 int ret;
35a000b7
DS		 2600
2601 mutex_lock(&mvm->mutex);
e7d3abab
LC		 2602
2603 /* Due to a race condition, it's possible that mac80211 asks
2604 * us to stop a sched_scan when it's already stopped. This
2605 * can happen, for instance, if we stopped the scan ourselves,
2606 * called ieee80211_sched_scan_stopped() and the userspace called
2607 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2608 * could run. To handle this, simply return if the scan is
2609 * not running.
2610 */
262888fc 2611 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
e7d3abab
LC		 2612 mutex_unlock(&mvm->mutex);
2613 return 0;
2614 }
2615
c7d42480 2616 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
35a000b7 2617 mutex_unlock(&mvm->mutex);
33ea27f6 2618 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2619
33ea27f6 2620 return ret;
35a000b7
DS		 2621}
2622
8ca151b5
JB		 2623static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2624 enum set_key_cmd cmd,
2625 struct ieee80211_vif *vif,
2626 struct ieee80211_sta *sta,
2627 struct ieee80211_key_conf *key)
2628{
2629 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
f5e28eac
JB		 2630 struct iwl_mvm_sta *mvmsta;
2631 struct iwl_mvm_key_pn *ptk_pn;
2632 int keyidx = key->keyidx;
8ca151b5 2633 int ret;
d6ee54a9 2634 u8 key_offset;
8ca151b5
JB		 2635
2636 if (iwlwifi_mod_params.sw_crypto) {
2637 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2638 return -EOPNOTSUPP;
2639 }
2640
2641 switch (key->cipher) {
2642 case WLAN_CIPHER_SUITE_TKIP:
2643 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1ad4f639 2644 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
8ca151b5 2645 break;
ca8c0f4b
JB		 2646 case WLAN_CIPHER_SUITE_CCMP:
2647 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2648 break;
8ca151b5 2649 case WLAN_CIPHER_SUITE_AES_CMAC:
30686bf7 2650 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
8ca151b5
JB		 2651 break;
2652 case WLAN_CIPHER_SUITE_WEP40:
2653 case WLAN_CIPHER_SUITE_WEP104:
ba3943b0
JB		 2654 /* For non-client mode, only use WEP keys for TX as we probably
2655 * don't have a station yet anyway and would then have to keep
2656 * track of the keys, linking them to each of the clients/peers
2657 * as they appear. For now, don't do that, for performance WEP
2658 * offload doesn't really matter much, but we need it for some
2659 * other offload features in client mode.
8ca151b5 2660 */
ba3943b0
JB		 2661 if (vif->type != NL80211_IFTYPE_STATION)
2662 return 0;
2663 break;
8ca151b5 2664 default:
e36e5433
MS		 2665 /* currently FW supports only one optional cipher scheme */
2666 if (hw->n_cipher_schemes &&
2667 hw->cipher_schemes->cipher == key->cipher)
2668 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2669 else
2670 return -EOPNOTSUPP;
8ca151b5
JB		 2671 }
2672
2673 mutex_lock(&mvm->mutex);
2674
2675 switch (cmd) {
2676 case SET_KEY:
5023d966
JB		 2677 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2678 vif->type == NL80211_IFTYPE_AP) && !sta) {
2679 /*
2680 * GTK on AP interface is a TX-only key, return 0;
2681 * on IBSS they're per-station and because we're lazy
2682 * we don't support them for RX, so do the same.
2683 */
6caffd4f
JB		 2684 ret = 0;
2685 key->hw_key_idx = STA_KEY_IDX_INVALID;
2686 break;
2687 }
2688
b546dcd6
JB		 2689 /* During FW restart, in order to restore the state as it was,
2690 * don't try to reprogram keys we previously failed for.
2691 */
2692 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2693 key->hw_key_idx == STA_KEY_IDX_INVALID) {
2694 IWL_DEBUG_MAC80211(mvm,
2695 "skip invalid idx key programming during restart\n");
2696 ret = 0;
2697 break;
2698 }
2699
f5e28eac
JB		 2700 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2701 sta && iwl_mvm_has_new_rx_api(mvm) &&
2702 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2703 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2704 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2705 struct ieee80211_key_seq seq;
2706 int tid, q;
2707
2708 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2709 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
2710 ptk_pn = kzalloc(sizeof(*ptk_pn) +
2711 mvm->trans->num_rx_queues *
2712 sizeof(ptk_pn->q[0]),
2713 GFP_KERNEL);
2714 if (!ptk_pn) {
2715 ret = -ENOMEM;
2716 break;
2717 }
2718
2719 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2720 ieee80211_get_key_rx_seq(key, tid, &seq);
2721 for (q = 0; q < mvm->trans->num_rx_queues; q++)
2722 memcpy(ptk_pn->q[q].pn[tid],
2723 seq.ccmp.pn,
2724 IEEE80211_CCMP_PN_LEN);
2725 }
2726
2727 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
2728 }
2729
d6ee54a9
LC		 2730 /* in HW restart reuse the index, otherwise request a new one */
2731 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
2732 key_offset = key->hw_key_idx;
2733 else
2734 key_offset = STA_KEY_IDX_INVALID;
2735
8ca151b5 2736 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
d6ee54a9 2737 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
8ca151b5
JB		 2738 if (ret) {
2739 IWL_WARN(mvm, "set key failed\n");
2740 /*
2741 * can't add key for RX, but we don't need it
2742 * in the device for TX so still return 0
2743 */
6caffd4f 2744 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2745 ret = 0;
2746 }
2747
2748 break;
2749 case DISABLE_KEY:
6caffd4f
JB		 2750 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2751 ret = 0;
2752 break;
2753 }
2754
f5e28eac
JB		 2755 if (sta && iwl_mvm_has_new_rx_api(mvm) &&
2756 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2757 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2758 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2759 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2760 ptk_pn = rcu_dereference_protected(
2761 mvmsta->ptk_pn[keyidx],
2762 lockdep_is_held(&mvm->mutex));
2763 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
2764 if (ptk_pn)
2765 kfree_rcu(ptk_pn, rcu_head);
2766 }
2767
8ca151b5
JB		 2768 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2769 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2770 break;
2771 default:
2772 ret = -EINVAL;
2773 }
2774
2775 mutex_unlock(&mvm->mutex);
2776 return ret;
2777}
2778
2779static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2780 struct ieee80211_vif *vif,
2781 struct ieee80211_key_conf *keyconf,
2782 struct ieee80211_sta *sta,
2783 u32 iv32, u16 *phase1key)
2784{
2785 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2786
5023d966
JB		 2787 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2788 return;
2789
8ca151b5
JB		 2790 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2791}
2792
2793
b112889c
AM		 2794static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2795 struct iwl_rx_packet *pkt, void *data)
2796{
2797 struct iwl_mvm *mvm =
2798 container_of(notif_wait, struct iwl_mvm, notif_wait);
2799 struct iwl_hs20_roc_res *resp;
2800 int resp_len = iwl_rx_packet_payload_len(pkt);
2801 struct iwl_mvm_time_event_data *te_data = data;
2802
2803 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2804 return true;
2805
2806 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2807 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2808 return true;
2809 }
2810
2811 resp = (void *)pkt->data;
2812
2813 IWL_DEBUG_TE(mvm,
2814 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2815 resp->status, resp->event_unique_id);
2816
2817 te_data->uid = le32_to_cpu(resp->event_unique_id);
2818 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2819 te_data->uid);
2820
2821 spin_lock_bh(&mvm->time_event_lock);
2822 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2823 spin_unlock_bh(&mvm->time_event_lock);
2824
2825 return true;
2826}
2827
dc28e12f
MG		 2828#define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
2829#define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
2830#define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
2831#define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
2832#define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
b112889c
AM		 2833static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2834 struct ieee80211_channel *channel,
2835 struct ieee80211_vif *vif,
2836 int duration)
2837{
2838 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2839 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2840 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
6eb031d2 2841 static const u16 time_event_response[] = { HOT_SPOT_CMD };
b112889c 2842 struct iwl_notification_wait wait_time_event;
dc28e12f
MG		 2843 u32 dtim_interval = vif->bss_conf.dtim_period *
2844 vif->bss_conf.beacon_int;
2845 u32 req_dur, delay;
b112889c
AM		 2846 struct iwl_hs20_roc_req aux_roc_req = {
2847 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2848 .id_and_color =
2849 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2850 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2851 /* Set the channel info data */
2852 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2853 PHY_BAND_24 : PHY_BAND_5,
2854 .channel_info.channel = channel->hw_value,
2855 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2856 /* Set the time and duration */
2857 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
b112889c
AM		 2858 };
2859
dc28e12f
MG		 2860 delay = AUX_ROC_MIN_DELAY;
2861 req_dur = MSEC_TO_TU(duration);
2862
2863 /*
2864 * If we are associated we want the delay time to be at least one
2865 * dtim interval so that the FW can wait until after the DTIM and
2866 * then start the time event, this will potentially allow us to
2867 * remain off-channel for the max duration.
2868 * Since we want to use almost a whole dtim interval we would also
2869 * like the delay to be for 2-3 dtim intervals, in case there are
2870 * other time events with higher priority.
2871 */
2872 if (vif->bss_conf.assoc) {
2873 delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
2874 /* We cannot remain off-channel longer than the DTIM interval */
2875 if (dtim_interval <= req_dur) {
2876 req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER;
2877 if (req_dur <= AUX_ROC_MIN_DURATION)
2878 req_dur = dtim_interval -
2879 AUX_ROC_MIN_SAFETY_BUFFER;
2880 }
2881 }
2882
2883 aux_roc_req.duration = cpu_to_le32(req_dur);
2884 aux_roc_req.apply_time_max_delay = cpu_to_le32(delay);
2885
2886 IWL_DEBUG_TE(mvm,
2887 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
2888 channel->hw_value, req_dur, duration, delay,
2889 dtim_interval);
b112889c
AM		 2890 /* Set the node address */
2891 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2892
a6cc5163
MG		 2893 lockdep_assert_held(&mvm->mutex);
2894
2895 spin_lock_bh(&mvm->time_event_lock);
2896
2897 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2898 spin_unlock_bh(&mvm->time_event_lock);
2899 return -EIO;
2900 }
2901
b112889c
AM		 2902 te_data->vif = vif;
2903 te_data->duration = duration;
2904 te_data->id = HOT_SPOT_CMD;
2905
b112889c
AM		 2906 spin_unlock_bh(&mvm->time_event_lock);
2907
2908 /*
2909 * Use a notification wait, which really just processes the
2910 * command response and doesn't wait for anything, in order
2911 * to be able to process the response and get the UID inside
2912 * the RX path. Using CMD_WANT_SKB doesn't work because it
2913 * stores the buffer and then wakes up this thread, by which
2914 * time another notification (that the time event started)
2915 * might already be processed unsuccessfully.
2916 */
2917 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2918 time_event_response,
2919 ARRAY_SIZE(time_event_response),
2920 iwl_mvm_rx_aux_roc, te_data);
2921
2922 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2923 &aux_roc_req);
2924
2925 if (res) {
2926 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2927 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2928 goto out_clear_te;
2929 }
2930
2931 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2932 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2933 /* should never fail */
2934 WARN_ON_ONCE(res);
2935
2936 if (res) {
2937 out_clear_te:
2938 spin_lock_bh(&mvm->time_event_lock);
2939 iwl_mvm_te_clear_data(mvm, te_data);
2940 spin_unlock_bh(&mvm->time_event_lock);
2941 }
2942
2943 return res;
2944}
2945
8ca151b5
JB		 2946static int iwl_mvm_roc(struct ieee80211_hw *hw,
2947 struct ieee80211_vif *vif,
2948 struct ieee80211_channel *channel,
d339d5ca
IP		 2949 int duration,
2950 enum ieee80211_roc_type type)
8ca151b5
JB		 2951{
2952 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2953 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2954 struct cfg80211_chan_def chandef;
31d385ae
IP		 2955 struct iwl_mvm_phy_ctxt *phy_ctxt;
2956 int ret, i;
2957
2958 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2959 duration, type);
8ca151b5 2960
6ed13164
MG		 2961 flush_work(&mvm->roc_done_wk);
2962
a6cc5163
MG		 2963 mutex_lock(&mvm->mutex);
2964
b112889c
AM		 2965 switch (vif->type) {
2966 case NL80211_IFTYPE_STATION:
859d914c
JB		 2967 if (fw_has_capa(&mvm->fw->ucode_capa,
2968 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
5ac6c72e
LC		 2969 /* Use aux roc framework (HS20) */
2970 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2971 vif, duration);
2972 goto out_unlock;
2973 }
2974 IWL_ERR(mvm, "hotspot not supported\n");
2975 ret = -EINVAL;
a6cc5163 2976 goto out_unlock;
b112889c
AM		 2977 case NL80211_IFTYPE_P2P_DEVICE:
2978 /* handle below */
2979 break;
2980 default:
2981 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
a6cc5163
MG		 2982 ret = -EINVAL;
2983 goto out_unlock;
8ca151b5
JB		 2984 }
2985
31d385ae
IP		 2986 for (i = 0; i < NUM_PHY_CTX; i++) {
2987 phy_ctxt = &mvm->phy_ctxts[i];
2988 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2989 continue;
2990
2991 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2992 /*
2993 * Unbind the P2P_DEVICE from the current PHY context,
2994 * and if the PHY context is not used remove it.
2995 */
2996 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2997 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2998 goto out_unlock;
2999
3000 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3001
3002 /* Bind the P2P_DEVICE to the current PHY Context */
3003 mvmvif->phy_ctxt = phy_ctxt;
3004
3005 ret = iwl_mvm_binding_add_vif(mvm, vif);
3006 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3007 goto out_unlock;
3008
3009 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3010 goto schedule_time_event;
3011 }
3012 }
3013
3014 /* Need to update the PHY context only if the ROC channel changed */
3015 if (channel == mvmvif->phy_ctxt->channel)
3016 goto schedule_time_event;
3017
8ca151b5 3018 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 3019
31d385ae
IP		 3020 /*
3021 * Change the PHY context configuration as it is currently referenced
3022 * only by the P2P Device MAC
3023 */
3024 if (mvmvif->phy_ctxt->ref == 1) {
3025 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
3026 &chandef, 1, 1);
3027 if (ret)
3028 goto out_unlock;
3029 } else {
3030 /*
3031 * The PHY context is shared with other MACs. Need to remove the
3032 * P2P Device from the binding, allocate an new PHY context and
3033 * create a new binding
3034 */
3035 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3036 if (!phy_ctxt) {
3037 ret = -ENOSPC;
3038 goto out_unlock;
3039 }
3040
3041 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
3042 1, 1);
3043 if (ret) {
3044 IWL_ERR(mvm, "Failed to change PHY context\n");
3045 goto out_unlock;
3046 }
3047
3048 /* Unbind the P2P_DEVICE from the current PHY context */
3049 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3050 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3051 goto out_unlock;
3052
3053 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3054
3055 /* Bind the P2P_DEVICE to the new allocated PHY context */
3056 mvmvif->phy_ctxt = phy_ctxt;
3057
3058 ret = iwl_mvm_binding_add_vif(mvm, vif);
3059 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3060 goto out_unlock;
3061
3062 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3063 }
3064
3065schedule_time_event:
8ca151b5 3066 /* Schedule the time events */
e635c797 3067 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 3068
31d385ae 3069out_unlock:
8ca151b5
JB		 3070 mutex_unlock(&mvm->mutex);
3071 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 3072 return ret;
3073}
3074
3075static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
3076{
3077 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3078
3079 IWL_DEBUG_MAC80211(mvm, "enter\n");
3080
3081 mutex_lock(&mvm->mutex);
bf5da87f 3082 iwl_mvm_stop_roc(mvm);
8ca151b5
JB		 3083 mutex_unlock(&mvm->mutex);
3084
3085 IWL_DEBUG_MAC80211(mvm, "leave\n");
3086 return 0;
3087}
3088
b08c1d97
LC		 3089static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
3090 struct ieee80211_chanctx_conf *ctx)
8ca151b5 3091{
fe0f2de3
IP		 3092 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3093 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 3094 int ret;
3095
b08c1d97
LC		 3096 lockdep_assert_held(&mvm->mutex);
3097
53a9d61e 3098 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 3099
fe0f2de3
IP		 3100 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3101 if (!phy_ctxt) {
3102 ret = -ENOSPC;
3103 goto out;
3104 }
8ca151b5 3105
dcbc3e1a 3106 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 3107 ctx->rx_chains_static,
3108 ctx->rx_chains_dynamic);
fe0f2de3
IP		 3109 if (ret) {
3110 IWL_ERR(mvm, "Failed to add PHY context\n");
3111 goto out;
3112 }
3113
53a9d61e 3114 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 3115 *phy_ctxt_id = phy_ctxt->id;
3116out:
b08c1d97
LC		 3117 return ret;
3118}
3119
3120static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
3121 struct ieee80211_chanctx_conf *ctx)
3122{
3123 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3124 int ret;
3125
3126 mutex_lock(&mvm->mutex);
3127 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 3128 mutex_unlock(&mvm->mutex);
b08c1d97 3129
8ca151b5
JB		 3130 return ret;
3131}
3132
b08c1d97
LC		 3133static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
3134 struct ieee80211_chanctx_conf *ctx)
3135{
3136 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3137 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3138
3139 lockdep_assert_held(&mvm->mutex);
3140
3141 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
3142}
3143
8ca151b5
JB		 3144static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
3145 struct ieee80211_chanctx_conf *ctx)
3146{
3147 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 3148
3149 mutex_lock(&mvm->mutex);
b08c1d97 3150 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 3151 mutex_unlock(&mvm->mutex);
3152}
3153
3154static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
3155 struct ieee80211_chanctx_conf *ctx,
3156 u32 changed)
3157{
3158 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 3159 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3160 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 3161
31d385ae
IP		 3162 if (WARN_ONCE((phy_ctxt->ref > 1) &&
3163 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
3164 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 3165 IEEE80211_CHANCTX_CHANGE_RADAR |
3166 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 3167 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3168 phy_ctxt->ref, changed))
3169 return;
3170
8ca151b5 3171 mutex_lock(&mvm->mutex);
4d66449a 3172 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 3173 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 3174 ctx->rx_chains_static,
3175 ctx->rx_chains_dynamic);
3176 mutex_unlock(&mvm->mutex);
3177}
3178
b08c1d97
LC		 3179static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
3180 struct ieee80211_vif *vif,
f0c97783
LC		 3181 struct ieee80211_chanctx_conf *ctx,
3182 bool switching_chanctx)
8ca151b5 3183{
fe0f2de3
IP		 3184 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3185 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 3186 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3187 int ret;
3188
b08c1d97 3189 lockdep_assert_held(&mvm->mutex);
8ca151b5 3190
fe0f2de3 3191 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 3192
3193 switch (vif->type) {
3194 case NL80211_IFTYPE_AP:
4741dd04
LC		 3195 /* only needed if we're switching chanctx (i.e. during CSA) */
3196 if (switching_chanctx) {
bd3398e2
AO		 3197 mvmvif->ap_ibss_active = true;
3198 break;
3199 }
5023d966 3200 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 3201 /*
3202 * The AP binding flow is handled as part of the start_ap flow
5023d966 3203 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 3204 */
3205 ret = 0;
b08c1d97 3206 goto out;
8ca151b5 3207 case NL80211_IFTYPE_STATION:
2533edce 3208 break;
8ca151b5 3209 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 3210 /* always disable PS when a monitor interface is active */
3211 mvmvif->ps_disabled = true;
8ca151b5
JB		 3212 break;
3213 default:
3214 ret = -EINVAL;
b08c1d97 3215 goto out;
8ca151b5
JB		 3216 }
3217
3218 ret = iwl_mvm_binding_add_vif(mvm, vif);
3219 if (ret)
b08c1d97 3220 goto out;
8ca151b5
JB		 3221
3222 /*
92d85562
AB		 3223 * Power state must be updated before quotas,
3224 * otherwise fw will complain.
3225 */
999609f1 3226 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 3227
3228 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 3229 * interfaces. For the other types, the bss_info changed flow
3230 * will handle quota settings.
3231 */
3232 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 3233 mvmvif->monitor_active = true;
7754ae79 3234 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 3235 if (ret)
3236 goto out_remove_binding;
0e39eb03
CRI		 3237
3238 ret = iwl_mvm_add_snif_sta(mvm, vif);
3239 if (ret)
3240 goto out_remove_binding;
3241
8ca151b5
JB		 3242 }
3243
bd3398e2 3244 /* Handle binding during CSA */
a57c688d 3245 if (vif->type == NL80211_IFTYPE_AP) {
7754ae79 3246 iwl_mvm_update_quotas(mvm, false, NULL);
3dfd3a97 3247 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 3248 }
3249
4741dd04 3250 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
686e7fe1
LC		 3251 u32 duration = 2 * vif->bss_conf.beacon_int;
3252
3253 /* iwl_mvm_protect_session() reads directly from the
3254 * device (the system time), so make sure it is
3255 * available.
3256 */
3257 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
3258 if (ret)
3259 goto out_remove_binding;
3260
3261 /* Protect the session to make sure we hear the first
3262 * beacon on the new channel.
3263 */
3264 iwl_mvm_protect_session(mvm, vif, duration, duration,
3265 vif->bss_conf.beacon_int / 2,
3266 true);
3267
3268 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
3269
7754ae79 3270 iwl_mvm_update_quotas(mvm, false, NULL);
0ce04ce7
LC		 3271 }
3272
b08c1d97 3273 goto out;
8ca151b5 3274
b08c1d97 3275out_remove_binding:
8ca151b5 3276 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 3277 iwl_mvm_power_update_mac(mvm);
b08c1d97 3278out:
8ca151b5
JB		 3279 if (ret)
3280 mvmvif->phy_ctxt = NULL;
3281 return ret;
3282}
b08c1d97
LC		 3283static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
3284 struct ieee80211_vif *vif,
3285 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 3286{
3287 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 3288 int ret;
8ca151b5
JB		 3289
3290 mutex_lock(&mvm->mutex);
f0c97783 3291 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 3292 mutex_unlock(&mvm->mutex);
3293
3294 return ret;
3295}
3296
3297static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
3298 struct ieee80211_vif *vif,
f0c97783
LC		 3299 struct ieee80211_chanctx_conf *ctx,
3300 bool switching_chanctx)
b08c1d97
LC		 3301{
3302 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 3303 struct ieee80211_vif *disabled_vif = NULL;
b08c1d97
LC		 3304
3305 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 3306
3307 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
3308
8ca151b5 3309 switch (vif->type) {
5023d966 3310 case NL80211_IFTYPE_ADHOC:
b08c1d97 3311 goto out;
8ca151b5 3312 case NL80211_IFTYPE_MONITOR:
1e1391ca 3313 mvmvif->monitor_active = false;
2533edce 3314 mvmvif->ps_disabled = false;
0e39eb03 3315 iwl_mvm_rm_snif_sta(mvm, vif);
8ca151b5 3316 break;
bd3398e2
AO		 3317 case NL80211_IFTYPE_AP:
3318 /* This part is triggered only during CSA */
4741dd04 3319 if (!switching_chanctx || !mvmvif->ap_ibss_active)
b08c1d97 3320 goto out;
bd3398e2 3321
7ef0aab6
AO		 3322 mvmvif->csa_countdown = false;
3323
003e5236
AO		 3324 /* Set CS bit on all the stations */
3325 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
3326
3327 /* Save blocked iface, the timeout is set on the next beacon */
3328 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
3329
bd3398e2 3330 mvmvif->ap_ibss_active = false;
f0c97783
LC		 3331 break;
3332 case NL80211_IFTYPE_STATION:
3333 if (!switching_chanctx)
3334 break;
3335
3336 disabled_vif = vif;
3337
3dfd3a97 3338 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 3339 break;
8ca151b5
JB		 3340 default:
3341 break;
3342 }
3343
7754ae79 3344 iwl_mvm_update_quotas(mvm, false, disabled_vif);
1e1391ca 3345 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 3346
b08c1d97 3347out:
a11e144e 3348 mvmvif->phy_ctxt = NULL;
999609f1 3349 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 3350}
3351
3352static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
3353 struct ieee80211_vif *vif,
3354 struct ieee80211_chanctx_conf *ctx)
3355{
3356 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3357
3358 mutex_lock(&mvm->mutex);
f0c97783 3359 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 3360 mutex_unlock(&mvm->mutex);
3361}
3362
50cc9574
LC		 3363static int
3364iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
3365 struct ieee80211_vif_chanctx_switch *vifs)
b08c1d97 3366{
b08c1d97
LC		 3367 int ret;
3368
b08c1d97 3369 mutex_lock(&mvm->mutex);
f0c97783 3370 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 3371 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
3372
3373 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
3374 if (ret) {
3375 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
3376 goto out_reassign;
3377 }
3378
f0c97783
LC		 3379 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3380 true);
b08c1d97
LC		 3381 if (ret) {
3382 IWL_ERR(mvm,
3383 "failed to assign new_ctx during channel switch\n");
3384 goto out_remove;
3385 }
3386
f697267f
AN		 3387 /* we don't support TDLS during DCM - can be caused by channel switch */
3388 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3389 iwl_mvm_teardown_tdls_peers(mvm);
3390
b08c1d97
LC		 3391 goto out;
3392
3393out_remove:
3394 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3395
3396out_reassign:
6fd1fb63 3397 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
b08c1d97
LC		 3398 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3399 goto out_restart;
3400 }
3401
6fd1fb63
LC		 3402 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3403 true)) {
b08c1d97
LC		 3404 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3405 goto out_restart;
3406 }
3407
3408 goto out;
3409
3410out_restart:
3411 /* things keep failing, better restart the hw */
3412 iwl_mvm_nic_restart(mvm, false);
3413
3414out:
3415 mutex_unlock(&mvm->mutex);
50cc9574
LC		 3416
3417 return ret;
3418}
3419
48a256e8
LC		 3420static int
3421iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3422 struct ieee80211_vif_chanctx_switch *vifs)
3423{
3424 int ret;
3425
3426 mutex_lock(&mvm->mutex);
3427 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3428
3429 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3430 true);
3431 if (ret) {
3432 IWL_ERR(mvm,
3433 "failed to assign new_ctx during channel switch\n");
3434 goto out_reassign;
3435 }
3436
3437 goto out;
3438
3439out_reassign:
3440 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3441 true)) {
3442 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3443 goto out_restart;
3444 }
3445
3446 goto out;
3447
3448out_restart:
3449 /* things keep failing, better restart the hw */
3450 iwl_mvm_nic_restart(mvm, false);
3451
3452out:
3453 mutex_unlock(&mvm->mutex);
3454
3455 return ret;
3456}
3457
50cc9574
LC		 3458static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3459 struct ieee80211_vif_chanctx_switch *vifs,
3460 int n_vifs,
3461 enum ieee80211_chanctx_switch_mode mode)
3462{
3463 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3464 int ret;
3465
3466 /* we only support a single-vif right now */
3467 if (n_vifs > 1)
3468 return -EOPNOTSUPP;
3469
3470 switch (mode) {
3471 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3472 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3473 break;
3474 case CHANCTX_SWMODE_REASSIGN_VIF:
48a256e8 3475 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
50cc9574
LC		 3476 break;
3477 default:
3478 ret = -EOPNOTSUPP;
3479 break;
3480 }
3481
b08c1d97
LC		 3482 return ret;
3483}
3484
8ca151b5
JB		 3485static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3486 struct ieee80211_sta *sta,
3487 bool set)
3488{
3489 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 3490 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
8ca151b5
JB		 3491
3492 if (!mvm_sta || !mvm_sta->vif) {
3493 IWL_ERR(mvm, "Station is not associated to a vif\n");
3494 return -EINVAL;
3495 }
3496
3497 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3498}
3499
507cadf2
DS		 3500#ifdef CONFIG_NL80211_TESTMODE
3501static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3502 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3503 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 3504 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 3505};
3506
3507static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3508 struct ieee80211_vif *vif,
3509 void *data, int len)
3510{
3511 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3512 int err;
3513 u32 noa_duration;
3514
3515 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3516 if (err)
3517 return err;
3518
3519 if (!tb[IWL_MVM_TM_ATTR_CMD])
3520 return -EINVAL;
3521
3522 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3523 case IWL_MVM_TM_CMD_SET_NOA:
3524 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3525 !vif->bss_conf.enable_beacon ||
3526 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3527 return -EINVAL;
3528
3529 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3530 if (noa_duration >= vif->bss_conf.beacon_int)
3531 return -EINVAL;
3532
3533 mvm->noa_duration = noa_duration;
3534 mvm->noa_vif = vif;
3535
7754ae79 3536 return iwl_mvm_update_quotas(mvm, false, NULL);
f6c6ad42
JB		 3537 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3538 /* must be associated client vif - ignore authorized */
3539 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3540 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3541 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3542 return -EINVAL;
3543
3544 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 3545 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3546 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3547 }
3548
3549 return -EOPNOTSUPP;
3550}
3551
3552static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3553 struct ieee80211_vif *vif,
3554 void *data, int len)
3555{
3556 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3557 int err;
3558
3559 mutex_lock(&mvm->mutex);
3560 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3561 mutex_unlock(&mvm->mutex);
3562
3563 return err;
3564}
3565#endif
3566
622e3f9b
LC		 3567static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3568 struct ieee80211_vif *vif,
3569 struct ieee80211_channel_switch *chsw)
3570{
3571 /* By implementing this operation, we prevent mac80211 from
3572 * starting its own channel switch timer, so that we can call
3573 * ieee80211_chswitch_done() ourselves at the right time
3574 * (which is when the absence time event starts).
3575 */
3576
3577 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3578 "dummy channel switch op\n");
3579}
3580
f028905c
LC		 3581static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3582 struct ieee80211_vif *vif,
3583 struct ieee80211_channel_switch *chsw)
bd3398e2
AO		 3584{
3585 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3586 struct ieee80211_vif *csa_vif;
f6c34820 3587 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
dc88b4ba 3588 u32 apply_time;
f028905c 3589 int ret;
bd3398e2
AO		 3590
3591 mutex_lock(&mvm->mutex);
664322fa 3592
81d62d5a
JB		 3593 mvmvif->csa_failed = false;
3594
6b20d774 3595 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
f028905c 3596 chsw->chandef.center_freq1);
6b20d774 3597
21023b1e 3598 iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
f35d9c55 3599
6b20d774
LC		 3600 switch (vif->type) {
3601 case NL80211_IFTYPE_AP:
3602 csa_vif =
3603 rcu_dereference_protected(mvm->csa_vif,
3604 lockdep_is_held(&mvm->mutex));
3605 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3606 "Another CSA is already in progress")) {
3607 ret = -EBUSY;
3608 goto out_unlock;
3609 }
3610
3611 rcu_assign_pointer(mvm->csa_vif, vif);
7ef0aab6 3612
7ef0aab6
AO		 3613 if (WARN_ONCE(mvmvif->csa_countdown,
3614 "Previous CSA countdown didn't complete")) {
3615 ret = -EBUSY;
3616 goto out_unlock;
3617 }
3618
6b20d774 3619 break;
dc88b4ba 3620 case NL80211_IFTYPE_STATION:
4500e133
LC		 3621 /* Schedule the time event to a bit before beacon 1,
3622 * to make sure we're in the new channel when the
3623 * GO/AP arrives.
3624 */
3625 apply_time = chsw->device_timestamp +
3626 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3627 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
dc88b4ba
LC		 3628
3629 if (chsw->block_tx)
3630 iwl_mvm_csa_client_absent(mvm, vif);
3631
4500e133 3632 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
dc88b4ba 3633 apply_time);
c6e0a3e0
LC		 3634 if (mvmvif->bf_data.bf_enabled) {
3635 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3636 if (ret)
3637 goto out_unlock;
3638 }
3639
dc88b4ba 3640 break;
6b20d774
LC		 3641 default:
3642 break;
3643 }
bd3398e2 3644
f6c34820
LC		 3645 mvmvif->ps_disabled = true;
3646
3647 ret = iwl_mvm_power_update_ps(mvm);
3648 if (ret)
3649 goto out_unlock;
f028905c 3650
e198f5e7
AN		 3651 /* we won't be on this channel any longer */
3652 iwl_mvm_teardown_tdls_peers(mvm);
3653
bd3398e2
AO		 3654out_unlock:
3655 mutex_unlock(&mvm->mutex);
f028905c
LC		 3656
3657 return ret;
bd3398e2
AO		 3658}
3659
f6c34820
LC		 3660static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3661 struct ieee80211_vif *vif)
3662{
3663 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3664 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3665 int ret;
3666
3667 mutex_lock(&mvm->mutex);
3668
81d62d5a
JB		 3669 if (mvmvif->csa_failed) {
3670 mvmvif->csa_failed = false;
3671 ret = -EIO;
3672 goto out_unlock;
3673 }
3674
a57c688d
LC		 3675 if (vif->type == NL80211_IFTYPE_STATION) {
3676 struct iwl_mvm_sta *mvmsta;
3677
3678 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3679 mvmvif->ap_sta_id);
3680
3681 if (WARN_ON(!mvmsta)) {
3682 ret = -EIO;
3683 goto out_unlock;
3684 }
3685
3686 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3687
3688 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
c6e0a3e0
LC		 3689
3690 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3691 if (ret)
3692 goto out_unlock;
686e7fe1
LC		 3693
3694 iwl_mvm_stop_session_protection(mvm, vif);
a57c688d
LC		 3695 }
3696
f6c34820
LC		 3697 mvmvif->ps_disabled = false;
3698
3699 ret = iwl_mvm_power_update_ps(mvm);
3700
a57c688d 3701out_unlock:
f6c34820
LC		 3702 mutex_unlock(&mvm->mutex);
3703
3704 return ret;
3705}
3706
c5b0e7c0
EG		 3707static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3708 struct ieee80211_vif *vif, u32 queues, bool drop)
3709{
3710 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3711 struct iwl_mvm_vif *mvmvif;
3712 struct iwl_mvm_sta *mvmsta;
a0f6bf2a
AN		 3713 struct ieee80211_sta *sta;
3714 int i;
3715 u32 msk = 0;
c5b0e7c0
EG		 3716
3717 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3718 return;
3719
3720 mutex_lock(&mvm->mutex);
3721 mvmvif = iwl_mvm_vif_from_mac80211(vif);
c5b0e7c0 3722
a0f6bf2a
AN		 3723 /* flush the AP-station and all TDLS peers */
3724 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3725 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3726 lockdep_is_held(&mvm->mutex));
3727 if (IS_ERR_OR_NULL(sta))
3728 continue;
3729
3730 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3731 if (mvmsta->vif != vif)
3732 continue;
3733
3734 /* make sure only TDLS peers or the AP are flushed */
3735 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3736
3737 msk |= mvmsta->tfd_queue_msk;
480acbce 3738 }
c5b0e7c0 3739
6d440b25 3740 if (drop) {
5888a40c 3741 if (iwl_mvm_flush_tx_path(mvm, msk, 0))
6d440b25
EG		 3742 IWL_ERR(mvm, "flush request fail\n");
3743 mutex_unlock(&mvm->mutex);
3744 } else {
3745 mutex_unlock(&mvm->mutex);
4e6c48e0 3746
6d440b25
EG		 3747 /* this can take a while, and we may need/want other operations
3748 * to succeed while doing this, so do it without the mutex held
3749 */
3750 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
3751 }
c5b0e7c0
EG		 3752}
3753
91a8bcde
JB		 3754static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
3755 struct survey_info *survey)
3756{
3757 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3758 int ret;
3759
3760 memset(survey, 0, sizeof(*survey));
3761
3762 /* only support global statistics right now */
3763 if (idx != 0)
3764 return -ENOENT;
3765
859d914c 3766 if (fw_has_capa(&mvm->fw->ucode_capa,
91a8bcde
JB		 3767 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3768 return -ENOENT;
3769
3770 mutex_lock(&mvm->mutex);
3771
3772 if (mvm->ucode_loaded) {
33cef925 3773 ret = iwl_mvm_request_statistics(mvm, false);
91a8bcde
JB		 3774 if (ret)
3775 goto out;
3776 }
3777
3778 survey->filled = SURVEY_INFO_TIME |
3779 SURVEY_INFO_TIME_RX |
3780 SURVEY_INFO_TIME_TX |
3781 SURVEY_INFO_TIME_SCAN;
3782 survey->time = mvm->accu_radio_stats.on_time_rf +
3783 mvm->radio_stats.on_time_rf;
3784 do_div(survey->time, USEC_PER_MSEC);
3785
3786 survey->time_rx = mvm->accu_radio_stats.rx_time +
3787 mvm->radio_stats.rx_time;
3788 do_div(survey->time_rx, USEC_PER_MSEC);
3789
3790 survey->time_tx = mvm->accu_radio_stats.tx_time +
3791 mvm->radio_stats.tx_time;
3792 do_div(survey->time_tx, USEC_PER_MSEC);
3793
3794 survey->time_scan = mvm->accu_radio_stats.on_time_scan +
3795 mvm->radio_stats.on_time_scan;
3796 do_div(survey->time_scan, USEC_PER_MSEC);
3797
10a7c028 3798 ret = 0;
91a8bcde
JB		 3799 out:
3800 mutex_unlock(&mvm->mutex);
3801 return ret;
3802}
3803
33cef925
JB		 3804static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
3805 struct ieee80211_vif *vif,
3806 struct ieee80211_sta *sta,
3807 struct station_info *sinfo)
3808{
3809 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3810 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3811 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3812
859d914c
JB		 3813 if (fw_has_capa(&mvm->fw->ucode_capa,
3814 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
33cef925
JB		 3815 return;
3816
3817 /* if beacon filtering isn't on mac80211 does it anyway */
3818 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
3819 return;
3820
3821 if (!vif->bss_conf.assoc)
3822 return;
3823
3824 mutex_lock(&mvm->mutex);
3825
3826 if (mvmvif->ap_sta_id != mvmsta->sta_id)
3827 goto unlock;
3828
3829 if (iwl_mvm_request_statistics(mvm, false))
3830 goto unlock;
3831
3832 sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
3833 mvmvif->beacon_stats.accu_num_beacons;
3834 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
3835 if (mvmvif->beacon_stats.avg_signal) {
3836 /* firmware only reports a value after RXing a few beacons */
3837 sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
3838 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
3839 }
3840 unlock:
3841 mutex_unlock(&mvm->mutex);
3842}
3843
4203263d
EG		 3844static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
3845 struct ieee80211_vif *vif,
3846 const struct ieee80211_event *event)
d42f5350 3847{
5d4f929e 3848#define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
d42f5350
EG		 3849 do { \
3850 if ((_cnt) && --(_cnt)) \
3851 break; \
5d4f929e 3852 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
d42f5350
EG		 3853 } while (0)
3854
d42f5350
EG		 3855 struct iwl_fw_dbg_trigger_tlv *trig;
3856 struct iwl_fw_dbg_trigger_mlme *trig_mlme;
d42f5350
EG		 3857
3858 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
3859 return;
3860
d42f5350
EG		 3861 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
3862 trig_mlme = (void *)trig->data;
3863 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3864 return;
3865
d42f5350
EG		 3866 if (event->u.mlme.data == ASSOC_EVENT) {
3867 if (event->u.mlme.status == MLME_DENIED)
3868 CHECK_MLME_TRIGGER(mvm, trig, buf,
3869 trig_mlme->stop_assoc_denied,
3870 "DENIED ASSOC: reason %d",
3871 event->u.mlme.reason);
3872 else if (event->u.mlme.status == MLME_TIMEOUT)
3873 CHECK_MLME_TRIGGER(mvm, trig, buf,
3874 trig_mlme->stop_assoc_timeout,
3875 "ASSOC TIMEOUT");
3876 } else if (event->u.mlme.data == AUTH_EVENT) {
3877 if (event->u.mlme.status == MLME_DENIED)
3878 CHECK_MLME_TRIGGER(mvm, trig, buf,
3879 trig_mlme->stop_auth_denied,
3880 "DENIED AUTH: reason %d",
3881 event->u.mlme.reason);
3882 else if (event->u.mlme.status == MLME_TIMEOUT)
3883 CHECK_MLME_TRIGGER(mvm, trig, buf,
3884 trig_mlme->stop_auth_timeout,
3885 "AUTH TIMEOUT");
3886 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
3887 CHECK_MLME_TRIGGER(mvm, trig, buf,
3888 trig_mlme->stop_rx_deauth,
3889 "DEAUTH RX %d", event->u.mlme.reason);
3890 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
3891 CHECK_MLME_TRIGGER(mvm, trig, buf,
3892 trig_mlme->stop_tx_deauth,
3893 "DEAUTH TX %d", event->u.mlme.reason);
3894 }
3895#undef CHECK_MLME_TRIGGER
3896}
3897
4203263d
EG		 3898static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
3899 struct ieee80211_vif *vif,
3900 const struct ieee80211_event *event)
3901{
3902 struct iwl_fw_dbg_trigger_tlv *trig;
3903 struct iwl_fw_dbg_trigger_ba *ba_trig;
3904
3905 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3906 return;
3907
3908 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3909 ba_trig = (void *)trig->data;
3910 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3911 return;
3912
3913 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
3914 return;
3915
3916 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3917 "BAR received from %pM, tid %d, ssn %d",
3918 event->u.ba.sta->addr, event->u.ba.tid,
3919 event->u.ba.ssn);
3920}
3921
3922static void
3923iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
3924 struct ieee80211_vif *vif,
3925 const struct ieee80211_event *event)
3926{
3927 struct iwl_fw_dbg_trigger_tlv *trig;
3928 struct iwl_fw_dbg_trigger_ba *ba_trig;
3929
3930 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3931 return;
3932
3933 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3934 ba_trig = (void *)trig->data;
3935 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3936 return;
3937
3938 if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
3939 return;
3940
3941 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3942 "Frame from %pM timed out, tid %d",
3943 event->u.ba.sta->addr, event->u.ba.tid);
3944}
3945
3946static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
3947 struct ieee80211_vif *vif,
3948 const struct ieee80211_event *event)
3949{
3950 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3951
3952 switch (event->type) {
3953 case MLME_EVENT:
3954 iwl_mvm_event_mlme_callback(mvm, vif, event);
3955 break;
3956 case BAR_RX_EVENT:
3957 iwl_mvm_event_bar_rx_callback(mvm, vif, event);
3958 break;
3959 case BA_FRAME_TIMEOUT:
3960 iwl_mvm_event_frame_timeout_callback(mvm, vif, event);
3961 break;
3962 default:
3963 break;
3964 }
3965}
3966
e5209263 3967const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3968 .tx = iwl_mvm_mac_tx,
3969 .ampdu_action = iwl_mvm_mac_ampdu_action,
3970 .start = iwl_mvm_mac_start,
cf2c92d8 3971 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
8ca151b5
JB		 3972 .stop = iwl_mvm_mac_stop,
3973 .add_interface = iwl_mvm_mac_add_interface,
3974 .remove_interface = iwl_mvm_mac_remove_interface,
3975 .config = iwl_mvm_mac_config,
e59647ea 3976 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5 3977 .configure_filter = iwl_mvm_configure_filter,
effd1929 3978 .config_iface_filter = iwl_mvm_config_iface_filter,
8ca151b5
JB		 3979 .bss_info_changed = iwl_mvm_bss_info_changed,
3980 .hw_scan = iwl_mvm_mac_hw_scan,
3981 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3982 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3983 .sta_state = iwl_mvm_mac_sta_state,
3984 .sta_notify = iwl_mvm_mac_sta_notify,
3985 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3986 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3987 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3988 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3989 .conf_tx = iwl_mvm_mac_conf_tx,
3990 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3991 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3992 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3993 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3994 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3995 .set_key = iwl_mvm_mac_set_key,
3996 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3997 .remain_on_channel = iwl_mvm_roc,
3998 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3999 .add_chanctx = iwl_mvm_add_chanctx,
4000 .remove_chanctx = iwl_mvm_remove_chanctx,
4001 .change_chanctx = iwl_mvm_change_chanctx,
4002 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
4003 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 4004 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 4005
5023d966
JB		 4006 .start_ap = iwl_mvm_start_ap_ibss,
4007 .stop_ap = iwl_mvm_stop_ap_ibss,
4008 .join_ibss = iwl_mvm_start_ap_ibss,
4009 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 4010
4011 .set_tim = iwl_mvm_set_tim,
4012
622e3f9b 4013 .channel_switch = iwl_mvm_channel_switch,
f028905c 4014 .pre_channel_switch = iwl_mvm_pre_channel_switch,
f6c34820 4015 .post_channel_switch = iwl_mvm_post_channel_switch,
bd3398e2 4016
1d3c3f63
AN		 4017 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
4018 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
4019 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
4020
d42f5350
EG		 4021 .event_callback = iwl_mvm_mac_event_callback,
4022
507cadf2
DS		 4023 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
4024
8ca151b5
JB		 4025#ifdef CONFIG_PM_SLEEP
4026 /* look at d3.c */
4027 .suspend = iwl_mvm_suspend,
4028 .resume = iwl_mvm_resume,
4029 .set_wakeup = iwl_mvm_set_wakeup,
4030 .set_rekey_data = iwl_mvm_set_rekey_data,
4031#if IS_ENABLED(CONFIG_IPV6)
4032 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
4033#endif
4034 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
4035#endif
91a8bcde 4036 .get_survey = iwl_mvm_mac_get_survey,
33cef925 4037 .sta_statistics = iwl_mvm_mac_sta_statistics,
8ca151b5 4038};
Linux kernel - Deliverables
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