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iwlwifi: mvm: add support for new LTR command
[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
CommitLineData
8ca151b5
JB		 1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
410dc5aa 26 * in the file called COPYING.
8ca151b5
JB		 27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
51368bf7 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65#include <linux/kernel.h>
66#include <linux/slab.h>
67#include <linux/skbuff.h>
68#include <linux/netdevice.h>
69#include <linux/etherdevice.h>
f0c2646a 70#include <linux/ip.h>
2ee8f021 71#include <linux/if_arp.h>
aadede6e 72#include <linux/devcoredump.h>
8ca151b5 73#include <net/mac80211.h>
7b1dd048 74#include <net/ieee80211_radiotap.h>
f0c2646a 75#include <net/tcp.h>
8ca151b5
JB		 76
77#include "iwl-op-mode.h"
78#include "iwl-io.h"
79#include "mvm.h"
80#include "sta.h"
81#include "time-event.h"
82#include "iwl-eeprom-parse.h"
83#include "fw-api-scan.h"
84#include "iwl-phy-db.h"
507cadf2 85#include "testmode.h"
655e6d6d
EG		 86#include "iwl-fw-error-dump.h"
87#include "iwl-prph.h"
363039be 88#include "iwl-csr.h"
8ca151b5
JB		 89
90static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
91 {
92 .max = 1,
8eb38710 93 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 94 },
3c15a0fb
JB		 95 {
96 .max = 1,
8eb38710
IP		 97 .types = BIT(NL80211_IFTYPE_AP) |
98 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 99 BIT(NL80211_IFTYPE_P2P_GO),
100 },
101 {
102 .max = 1,
103 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
104 },
8ca151b5
JB		 105};
106
107static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
108 {
2624a5ca 109 .num_different_channels = 2,
8ca151b5
JB		 110 .max_interfaces = 3,
111 .limits = iwl_mvm_limits,
112 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
113 },
114};
115
f0c2646a
JB		 116#ifdef CONFIG_PM_SLEEP
117static const struct nl80211_wowlan_tcp_data_token_feature
118iwl_mvm_wowlan_tcp_token_feature = {
119 .min_len = 0,
120 .max_len = 255,
121 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
122};
123
124static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
125 .tok = &iwl_mvm_wowlan_tcp_token_feature,
126 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
127 sizeof(struct ethhdr) -
128 sizeof(struct iphdr) -
129 sizeof(struct tcphdr),
130 .data_interval_max = 65535, /* __le16 in API */
131 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
132 sizeof(struct ethhdr) -
133 sizeof(struct iphdr) -
134 sizeof(struct tcphdr),
135 .seq = true,
136};
137#endif
138
77736923 139#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 140/*
141 * Use the reserved field to indicate magic values.
142 * these values will only be used internally by the driver,
143 * and won't make it to the fw (reserved will be 0).
144 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
145 * be the vif's ip address. in case there is not a single
146 * ip address (0, or more than 1), this attribute will
147 * be skipped.
148 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
149 * the LSB bytes of the vif's mac address
150 */
151enum {
152 BC_FILTER_MAGIC_NONE = 0,
153 BC_FILTER_MAGIC_IP,
154 BC_FILTER_MAGIC_MAC,
155};
156
77736923
EP		 157static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
158 {
159 /* arp */
160 .discard = 0,
161 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
162 .attrs = {
163 {
164 /* frame type - arp, hw type - ethernet */
165 .offset_type =
166 BCAST_FILTER_OFFSET_PAYLOAD_START,
167 .offset = sizeof(rfc1042_header),
168 .val = cpu_to_be32(0x08060001),
169 .mask = cpu_to_be32(0xffffffff),
170 },
2ee8f021
EP		 171 {
172 /* arp dest ip */
173 .offset_type =
174 BCAST_FILTER_OFFSET_PAYLOAD_START,
175 .offset = sizeof(rfc1042_header) + 2 +
176 sizeof(struct arphdr) +
177 ETH_ALEN + sizeof(__be32) +
178 ETH_ALEN,
179 .mask = cpu_to_be32(0xffffffff),
180 /* mark it as special field */
181 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
182 },
183 },
184 },
185 {
186 /* dhcp offer bcast */
187 .discard = 0,
188 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
189 .attrs = {
190 {
191 /* udp dest port - 68 (bootp client)*/
192 .offset_type = BCAST_FILTER_OFFSET_IP_END,
193 .offset = offsetof(struct udphdr, dest),
194 .val = cpu_to_be32(0x00440000),
195 .mask = cpu_to_be32(0xffff0000),
196 },
197 {
198 /* dhcp - lsb bytes of client hw address */
199 .offset_type = BCAST_FILTER_OFFSET_IP_END,
200 .offset = 38,
201 .mask = cpu_to_be32(0xffffffff),
202 /* mark it as special field */
203 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
204 },
77736923
EP		 205 },
206 },
207 /* last filter must be empty */
208 {},
209};
210#endif
211
7498cf4c
EP		 212void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
213{
7bb426ea 214 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 215 return;
216
217 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 218 spin_lock_bh(&mvm->refs_lock);
219 mvm->refs[ref_type]++;
220 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 221 iwl_trans_ref(mvm->trans);
222}
223
224void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
225{
7bb426ea 226 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 227 return;
228
229 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 230 spin_lock_bh(&mvm->refs_lock);
231 WARN_ON(!mvm->refs[ref_type]--);
232 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 233 iwl_trans_unref(mvm->trans);
234}
235
576eeee9
EP		 236static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
237 enum iwl_mvm_ref_type except_ref)
7498cf4c 238{
576eeee9 239 int i, j;
7498cf4c 240
7bb426ea 241 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 242 return;
243
576eeee9
EP		 244 spin_lock_bh(&mvm->refs_lock);
245 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
246 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 247 continue;
248
576eeee9
EP		 249 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
250 i, mvm->refs[i]);
251 for (j = 0; j < mvm->refs[i]; j++)
252 iwl_trans_unref(mvm->trans);
253 mvm->refs[i] = 0;
7498cf4c 254 }
576eeee9 255 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 256}
257
f4cf8680
EP		 258bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
259{
260 int i;
261 bool taken = false;
262
263 if (!iwl_mvm_is_d0i3_supported(mvm))
264 return true;
265
266 spin_lock_bh(&mvm->refs_lock);
267 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
268 if (mvm->refs[i]) {
269 taken = true;
270 break;
271 }
272 }
273 spin_unlock_bh(&mvm->refs_lock);
274
275 return taken;
276}
277
576eeee9 278int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 279{
280 iwl_mvm_ref(mvm, ref_type);
281
282 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
283 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
284 HZ)) {
285 WARN_ON_ONCE(1);
286 iwl_mvm_unref(mvm, ref_type);
287 return -EIO;
288 }
289
290 return 0;
291}
292
fe0f2de3
IP		 293static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
294{
295 int i;
296
297 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
298 for (i = 0; i < NUM_PHY_CTX; i++) {
299 mvm->phy_ctxts[i].id = i;
300 mvm->phy_ctxts[i].ref = 0;
301 }
302}
303
8ca151b5
JB		 304int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
305{
306 struct ieee80211_hw *hw = mvm->hw;
831e85f3 307 int num_mac, ret, i;
8ca151b5
JB		 308
309 /* Tell mac80211 our characteristics */
310 hw->flags = IEEE80211_HW_SIGNAL_DBM |
311 IEEE80211_HW_SPECTRUM_MGMT |
312 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
313 IEEE80211_HW_QUEUE_CONTROL |
314 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 315 IEEE80211_HW_SUPPORTS_PS |
316 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 317 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 318 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be 319 IEEE80211_HW_CONNECTION_MONITOR |
b71d9c8a
IY		 320 IEEE80211_HW_CHANCTX_STA_CSA |
321 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
8ca151b5 322
19e737c9 323 hw->queues = mvm->first_agg_queue;
398e8c6c 324 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 325 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
326 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
339b3086
ES		 327 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
328 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
8ca151b5 329 hw->rate_control_algorithm = "iwl-mvm-rs";
848955cc
JB		 330 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
331 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
8ca151b5
JB		 332
333 /*
334 * Enable 11w if advertised by firmware and software crypto
335 * is not enabled (as the firmware will interpret some mgmt
336 * packets, so enabling it with software crypto isn't safe)
337 */
338 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
339 !iwlwifi_mod_params.sw_crypto)
340 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
341
d2496221 342 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN ||
effd05ac 343 mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
fb98be5e 344 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
effd05ac
JB		 345 hw->wiphy->features |=
346 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
347 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
348 }
fb98be5e 349
8ca151b5
JB		 350 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
351 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 352 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 353
354 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 355 BIT(NL80211_IFTYPE_P2P_CLIENT) |
356 BIT(NL80211_IFTYPE_AP) |
357 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 358 BIT(NL80211_IFTYPE_P2P_DEVICE) |
359 BIT(NL80211_IFTYPE_ADHOC);
5023d966 360
a2f73b6c
LR		 361 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
362 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
363 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 364
3e56eadf
JB		 365 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
366 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
367
94bbed72 368 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
bd3398e2 369
8ca151b5
JB		 370 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
371 hw->wiphy->n_iface_combinations =
372 ARRAY_SIZE(iwl_mvm_iface_combinations);
373
c451e6d4 374 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5 375 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
f1a68542
EG		 376 /* we can compensate an offset of up to 3 channels = 15 MHz */
377 hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
8ca151b5
JB		 378
379 /* Extract MAC address */
380 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
381 hw->wiphy->addresses = mvm->addresses;
382 hw->wiphy->n_addresses = 1;
831e85f3
IP		 383
384 /* Extract additional MAC addresses if available */
385 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
386 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
387
388 for (i = 1; i < num_mac; i++) {
389 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 390 ETH_ALEN);
831e85f3 391 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 392 hw->wiphy->n_addresses++;
393 }
394
fe0f2de3
IP		 395 iwl_mvm_reset_phy_ctxts(mvm);
396
48849a41 397 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
20f1a5de 398
8ca151b5
JB		 399 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
400
401 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
402 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
403 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
404 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
405 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
406 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
407
408 hw->wiphy->hw_version = mvm->trans->hw_id;
409
ade50652 410 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 411 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
412 else
413 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
414
6efaaf33
EG		 415 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
416 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
417 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
418 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
419 /* we create the 802.11 header and zero length SSID IE. */
420 hw->wiphy->max_sched_scan_ie_len =
421 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
422 }
35a000b7 423
8ca151b5 424 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 425 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 426 NL80211_FEATURE_P2P_GO_OPPPS |
427 NL80211_FEATURE_DYNAMIC_SMPS |
9b5452fd
EG		 428 NL80211_FEATURE_STATIC_SMPS |
429 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
8ca151b5 430
f1daa00e
AO		 431 if (mvm->fw->ucode_capa.capa[0] &
432 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
433 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
226bcd48
AK		 434 if (mvm->fw->ucode_capa.capa[0] &
435 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
436 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 437
73897bd1
AO		 438 if (mvm->fw->ucode_capa.capa[0] &
439 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
440 hw->wiphy->features |=
441 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
442
443 if (mvm->fw->ucode_capa.capa[0] &
444 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
445 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
446
8ca151b5
JB		 447 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
448
e36e5433 449 /* currently FW API supports only one optional cipher scheme */
9ddca860 450 if (mvm->fw->cs[0].cipher) {
e36e5433 451 mvm->hw->n_cipher_schemes = 1;
9ddca860 452 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 453 }
454
8ca151b5 455#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 456 if (iwl_mvm_is_d0i3_supported(mvm) &&
457 device_can_wakeup(mvm->trans->dev)) {
458 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
459 hw->wiphy->wowlan = &mvm->wowlan;
91742449
EP		 460 }
461
462 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 463 mvm->trans->ops->d3_suspend &&
464 mvm->trans->ops->d3_resume &&
465 device_can_wakeup(mvm->trans->dev)) {
91742449
EP		 466 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
467 WIPHY_WOWLAN_DISCONNECT |
468 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
469 WIPHY_WOWLAN_RFKILL_RELEASE |
470 WIPHY_WOWLAN_NET_DETECT;
8ca151b5 471 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 472 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
473 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
474 WIPHY_WOWLAN_4WAY_HANDSHAKE;
475
476 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
477 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
478 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
c55385f5 479 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
964dc9e2
JB		 480 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
481 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 482 }
483#endif
484
77736923
EP		 485#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
486 /* assign default bcast filtering configuration */
487 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
488#endif
489
8ca151b5
JB		 490 ret = iwl_mvm_leds_init(mvm);
491 if (ret)
492 return ret;
493
d8f1c515
AN		 494 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TDLS_SUPPORT) {
495 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
496 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
497 }
498
1d3c3f63
AN		 499 if (mvm->fw->ucode_capa.capa[0] &
500 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH) {
501 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
502 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
503 }
504
b7327d89
EG		 505 ret = ieee80211_register_hw(mvm->hw);
506 if (ret)
507 iwl_mvm_leds_exit(mvm);
508
509 return ret;
8ca151b5
JB		 510}
511
b2492501
AN		 512static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
513 struct ieee80211_sta *sta,
514 struct sk_buff *skb)
515{
516 struct iwl_mvm_sta *mvmsta;
517 bool defer = false;
518
519 /*
520 * double check the IN_D0I3 flag both before and after
521 * taking the spinlock, in order to prevent taking
522 * the spinlock when not needed.
523 */
524 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
525 return false;
526
527 spin_lock(&mvm->d0i3_tx_lock);
528 /*
529 * testing the flag again ensures the skb dequeue
530 * loop (on d0i3 exit) hasn't run yet.
531 */
532 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
533 goto out;
534
535 mvmsta = iwl_mvm_sta_from_mac80211(sta);
536 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
537 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
538 goto out;
539
540 __skb_queue_tail(&mvm->d0i3_tx, skb);
541 ieee80211_stop_queues(mvm->hw);
542
543 /* trigger wakeup */
544 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
545 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
546
547 defer = true;
548out:
549 spin_unlock(&mvm->d0i3_tx_lock);
550 return defer;
551}
552
8ca151b5
JB		 553static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
554 struct ieee80211_tx_control *control,
555 struct sk_buff *skb)
556{
557 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 558 struct ieee80211_sta *sta = control->sta;
559 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
560 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 561
9ee718aa
EL		 562 if (iwl_mvm_is_radio_killed(mvm)) {
563 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 564 goto drop;
565 }
566
398e8c6c 567 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
a6cc5163
MG		 568 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
569 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
8ca151b5
JB		 570 goto drop;
571
3e56eadf
JB		 572 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
573 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
574 ieee80211_is_mgmt(hdr->frame_control) &&
575 !ieee80211_is_deauth(hdr->frame_control) &&
576 !ieee80211_is_disassoc(hdr->frame_control) &&
577 !ieee80211_is_action(hdr->frame_control)))
578 sta = NULL;
579
580 if (sta) {
b2492501
AN		 581 if (iwl_mvm_defer_tx(mvm, sta, skb))
582 return;
3e56eadf 583 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 584 goto drop;
585 return;
586 }
587
588 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
589 goto drop;
590 return;
591 drop:
592 ieee80211_free_txskb(hw, skb);
593}
594
205e2210
EG		 595static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
596{
597 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
598 return false;
599 return true;
600}
601
602static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
603{
604 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
605 return false;
606 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
607 return true;
608
609 /* enabled by default */
610 return true;
611}
612
8ca151b5
JB		 613static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
614 struct ieee80211_vif *vif,
615 enum ieee80211_ampdu_mlme_action action,
616 struct ieee80211_sta *sta, u16 tid,
617 u16 *ssn, u8 buf_size)
618{
619 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
620 int ret;
b2492501 621 bool tx_agg_ref = false;
8ca151b5
JB		 622
623 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
624 sta->addr, tid, action);
625
626 if (!(mvm->nvm_data->sku_cap_11n_enable))
627 return -EACCES;
628
b2492501 629 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 630 switch (action) {
631 case IEEE80211_AMPDU_TX_START:
632 case IEEE80211_AMPDU_TX_STOP_CONT:
633 case IEEE80211_AMPDU_TX_STOP_FLUSH:
634 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
635 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 636 /*
9256c205
EP		 637 * for tx start, wait synchronously until D0i3 exit to
638 * get the correct sequence number for the tid.
639 * additionally, some other ampdu actions use direct
640 * target access, which is not handled automatically
641 * by the trans layer (unlike commands), so wait for
642 * d0i3 exit in these cases as well.
b2492501 643 */
d40fc489
GG		 644 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
645 if (ret)
646 return ret;
647
648 tx_agg_ref = true;
9256c205
EP		 649 break;
650 default:
651 break;
b2492501
AN		 652 }
653
8ca151b5
JB		 654 mutex_lock(&mvm->mutex);
655
656 switch (action) {
657 case IEEE80211_AMPDU_RX_START:
205e2210 658 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 659 ret = -EINVAL;
660 break;
661 }
662 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
663 break;
664 case IEEE80211_AMPDU_RX_STOP:
665 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
666 break;
667 case IEEE80211_AMPDU_TX_START:
205e2210 668 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 669 ret = -EINVAL;
670 break;
671 }
8ca151b5
JB		 672 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
673 break;
674 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 675 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
676 break;
8ca151b5
JB		 677 case IEEE80211_AMPDU_TX_STOP_FLUSH:
678 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 679 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 680 break;
681 case IEEE80211_AMPDU_TX_OPERATIONAL:
682 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
683 break;
684 default:
685 WARN_ON_ONCE(1);
686 ret = -EINVAL;
687 break;
688 }
689 mutex_unlock(&mvm->mutex);
690
b2492501
AN		 691 /*
692 * If the tid is marked as started, we won't use it for offloaded
693 * traffic on the next D0i3 entry. It's safe to unref.
694 */
695 if (tx_agg_ref)
696 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
697
8ca151b5
JB		 698 return ret;
699}
700
701static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
702 struct ieee80211_vif *vif)
703{
704 struct iwl_mvm *mvm = data;
705 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
706
707 mvmvif->uploaded = false;
708 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
709
710 /* does this make sense at all? */
711 mvmvif->color++;
712
713 spin_lock_bh(&mvm->time_event_lock);
714 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
715 spin_unlock_bh(&mvm->time_event_lock);
716
fe0f2de3 717 mvmvif->phy_ctxt = NULL;
8a275bad 718 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 719}
720
aadede6e
JB		 721static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
722 const void *data, size_t datalen)
723{
724 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
725 ssize_t bytes_read;
726 ssize_t bytes_read_trans;
727
728 if (offset < dump_ptrs->op_mode_len) {
729 bytes_read = min_t(ssize_t, count,
730 dump_ptrs->op_mode_len - offset);
731 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
732 bytes_read);
733 offset += bytes_read;
734 count -= bytes_read;
735
736 if (count == 0)
737 return bytes_read;
738 } else {
739 bytes_read = 0;
740 }
741
742 if (!dump_ptrs->trans_ptr)
743 return bytes_read;
744
745 offset -= dump_ptrs->op_mode_len;
746 bytes_read_trans = min_t(ssize_t, count,
747 dump_ptrs->trans_ptr->len - offset);
748 memcpy(buffer + bytes_read,
749 (u8 *)dump_ptrs->trans_ptr->data + offset,
750 bytes_read_trans);
751
752 return bytes_read + bytes_read_trans;
753}
754
755static void iwl_mvm_free_coredump(const void *data)
756{
757 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
758
759 vfree(fw_error_dump->op_mode_ptr);
760 vfree(fw_error_dump->trans_ptr);
761 kfree(fw_error_dump);
762}
763
04fd2c28
LK		 764static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
765 struct iwl_fw_error_dump_data **dump_data)
766{
767 struct iwl_fw_error_dump_fifo *fifo_hdr;
768 u32 *fifo_data;
769 u32 fifo_len;
770 unsigned long flags;
771 int i, j;
772
773 if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags))
774 return;
775
776 /* Pull RXF data from all RXFs */
777 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) {
778 /*
779 * Keep aside the additional offset that might be needed for
780 * next RXF
781 */
782 u32 offset_diff = RXF_DIFF_FROM_PREV * i;
783
784 fifo_hdr = (void *)(*dump_data)->data;
785 fifo_data = (void *)fifo_hdr->data;
786 fifo_len = mvm->shared_mem_cfg.rxfifo_size[i];
787
788 /* No need to try to read the data if the length is 0 */
789 if (fifo_len == 0)
790 continue;
791
792 /* Add a TLV for the RXF */
793 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
794 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
795
796 fifo_hdr->fifo_num = cpu_to_le32(i);
797 fifo_hdr->available_bytes =
798 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
799 RXF_RD_D_SPACE +
800 offset_diff));
801 fifo_hdr->wr_ptr =
802 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
803 RXF_RD_WR_PTR +
804 offset_diff));
805 fifo_hdr->rd_ptr =
806 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
807 RXF_RD_RD_PTR +
808 offset_diff));
809 fifo_hdr->fence_ptr =
810 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
811 RXF_RD_FENCE_PTR +
812 offset_diff));
813 fifo_hdr->fence_mode =
814 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
815 RXF_SET_FENCE_MODE +
816 offset_diff));
817
818 /* Lock fence */
819 iwl_trans_write_prph(mvm->trans,
820 RXF_SET_FENCE_MODE + offset_diff, 0x1);
821 /* Set fence pointer to the same place like WR pointer */
822 iwl_trans_write_prph(mvm->trans,
823 RXF_LD_WR2FENCE + offset_diff, 0x1);
824 /* Set fence offset */
825 iwl_trans_write_prph(mvm->trans,
826 RXF_LD_FENCE_OFFSET_ADDR + offset_diff,
827 0x0);
828
829 /* Read FIFO */
830 fifo_len /= sizeof(u32); /* Size in DWORDS */
831 for (j = 0; j < fifo_len; j++)
832 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
833 RXF_FIFO_RD_FENCE_INC +
834 offset_diff);
835 *dump_data = iwl_fw_error_next_data(*dump_data);
836 }
837
838 /* Pull TXF data from all TXFs */
839 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) {
840 /* Mark the number of TXF we're pulling now */
841 iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
842
843 fifo_hdr = (void *)(*dump_data)->data;
844 fifo_data = (void *)fifo_hdr->data;
845 fifo_len = mvm->shared_mem_cfg.txfifo_size[i];
846
847 /* No need to try to read the data if the length is 0 */
848 if (fifo_len == 0)
849 continue;
850
851 /* Add a TLV for the FIFO */
852 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF);
853 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
854
855 fifo_hdr->fifo_num = cpu_to_le32(i);
856 fifo_hdr->available_bytes =
857 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
858 TXF_FIFO_ITEM_CNT));
859 fifo_hdr->wr_ptr =
860 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
861 TXF_WR_PTR));
862 fifo_hdr->rd_ptr =
863 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
864 TXF_RD_PTR));
865 fifo_hdr->fence_ptr =
866 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
867 TXF_FENCE_PTR));
868 fifo_hdr->fence_mode =
869 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
870 TXF_LOCK_FENCE));
871
872 /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */
873 iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR,
874 TXF_WR_PTR);
875
876 /* Dummy-read to advance the read pointer to the head */
877 iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA);
878
879 /* Read FIFO */
880 fifo_len /= sizeof(u32); /* Size in DWORDS */
881 for (j = 0; j < fifo_len; j++)
882 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
883 TXF_READ_MODIFY_DATA);
884 *dump_data = iwl_fw_error_next_data(*dump_data);
885 }
886
887 iwl_trans_release_nic_access(mvm->trans, &flags);
888}
889
4bfa47f3 890void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
655e6d6d
EG		 891{
892 struct iwl_fw_error_dump_file *dump_file;
893 struct iwl_fw_error_dump_data *dump_data;
894 struct iwl_fw_error_dump_info *dump_info;
a549b296 895 struct iwl_fw_error_dump_mem *dump_mem;
48eb7b34 896 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d 897 u32 sram_len, sram_ofs;
04fd2c28 898 u32 file_len, fifo_data_len = 0;
addfaada 899 u32 smem_len = mvm->cfg->smem_len;
86138324 900 u32 sram2_len = mvm->cfg->dccm2_len;
655e6d6d
EG		 901
902 lockdep_assert_held(&mvm->mutex);
903
addfaada 904 /* W/A for 8000 HW family A-step */
86138324
IY		 905 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
906 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP) {
907 if (smem_len)
908 smem_len = 0x38000;
909
910 if (sram2_len)
911 sram2_len = 0x10000;
912 }
addfaada 913
aadede6e 914 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
48eb7b34
EG		 915 if (!fw_error_dump)
916 return;
917
f53bf4c7
LK		 918 /* SRAM - include stack CCM if driver knows the values for it */
919 if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
920 const struct fw_img *img;
921
922 img = &mvm->fw->img[mvm->cur_ucode];
923 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
924 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
925 } else {
926 sram_ofs = mvm->cfg->dccm_offset;
927 sram_len = mvm->cfg->dccm_len;
928 }
655e6d6d 929
04fd2c28
LK		 930 /* reading RXF/TXF sizes */
931 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
932 struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->shared_mem_cfg;
933 int i;
934
935 fifo_data_len = 0;
936
937 /* Count RXF size */
938 for (i = 0; i < ARRAY_SIZE(mem_cfg->rxfifo_size); i++) {
939 if (!mem_cfg->rxfifo_size[i])
940 continue;
941
942 /* Add header info */
943 fifo_data_len += mem_cfg->rxfifo_size[i] +
944 sizeof(*dump_data) +
945 sizeof(struct iwl_fw_error_dump_fifo);
946 }
947
948 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) {
949 if (!mem_cfg->txfifo_size[i])
950 continue;
655e6d6d 951
04fd2c28
LK		 952 /* Add header info */
953 fifo_data_len += mem_cfg->txfifo_size[i] +
954 sizeof(*dump_data) +
955 sizeof(struct iwl_fw_error_dump_fifo);
956 }
957 }
655e6d6d
EG		 958
959 file_len = sizeof(*dump_file) +
04fd2c28 960 sizeof(*dump_data) * 2 +
a549b296 961 sram_len + sizeof(*dump_mem) +
04fd2c28 962 fifo_data_len +
655e6d6d
EG		 963 sizeof(*dump_info);
964
addfaada
LK		 965 /* Make room for the SMEM, if it exists */
966 if (smem_len)
a549b296 967 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
addfaada 968
86138324
IY		 969 /* Make room for the secondary SRAM, if it exists */
970 if (sram2_len)
971 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
972
5bfe6f53 973 dump_file = vzalloc(file_len);
48eb7b34
EG		 974 if (!dump_file) {
975 kfree(fw_error_dump);
655e6d6d 976 return;
48eb7b34 977 }
655e6d6d 978
48eb7b34 979 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 980
981 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 982 dump_data = (void *)dump_file->data;
983
984 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
985 dump_data->len = cpu_to_le32(sizeof(*dump_info));
986 dump_info = (void *) dump_data->data;
987 dump_info->device_family =
988 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
989 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
990 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
435da2ce 991 dump_info->hw_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev));
655e6d6d
EG		 992 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
993 sizeof(dump_info->fw_human_readable));
994 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
995 sizeof(dump_info->dev_human_readable));
996 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
997 sizeof(dump_info->bus_human_readable));
998
999 dump_data = iwl_fw_error_next_data(dump_data);
04fd2c28
LK		 1000 /* We only dump the FIFOs if the FW is in error state */
1001 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status))
1002 iwl_mvm_dump_fifos(mvm, &dump_data);
655e6d6d 1003
a549b296
EG		 1004 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1005 dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
1006 dump_mem = (void *)dump_data->data;
1007 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1008 dump_mem->offset = cpu_to_le32(sram_ofs);
1009 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data,
655e6d6d
EG		 1010 sram_len);
1011
addfaada
LK		 1012 if (smem_len) {
1013 dump_data = iwl_fw_error_next_data(dump_data);
e06d8437
EG		 1014 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1015 dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
1016 dump_mem = (void *)dump_data->data;
1017 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
1018 dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset);
addfaada 1019 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset,
e06d8437 1020 dump_mem->data, smem_len);
addfaada
LK		 1021 }
1022
86138324
IY		 1023 if (sram2_len) {
1024 dump_data = iwl_fw_error_next_data(dump_data);
1025 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1026 dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
1027 dump_mem = (void *)dump_data->data;
1028 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1029 dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset);
1030 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset,
1031 dump_mem->data, sram2_len);
1032 }
1033
48eb7b34
EG		 1034 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
1035 fw_error_dump->op_mode_len = file_len;
1036 if (fw_error_dump->trans_ptr)
1037 file_len += fw_error_dump->trans_ptr->len;
1038 dump_file->file_len = cpu_to_le32(file_len);
4bfa47f3 1039
aadede6e
JB		 1040 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
1041 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
655e6d6d 1042}
655e6d6d 1043
8ca151b5
JB		 1044static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1045{
58629d9d
JB		 1046 /* clear the D3 reconfig, we only need it to avoid dumping a
1047 * firmware coredump on reconfiguration, we shouldn't do that
1048 * on D3->D0 transition
1049 */
1050 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status))
1051 iwl_mvm_fw_error_dump(mvm);
1bd3cbc1 1052
744cb695
EP		 1053 /* cleanup all stale references (scan, roc), but keep the
1054 * ucode_down ref until reconfig is complete
1055 */
1056 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
1057
8ca151b5 1058 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 1059
1060 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 1061 mvm->ps_disabled = false;
31b8b343 1062 mvm->calibrating = false;
8ca151b5
JB		 1063
1064 /* just in case one was running */
1065 ieee80211_remain_on_channel_expired(mvm->hw);
1066
1067 ieee80211_iterate_active_interfaces_atomic(
1068 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
1069 iwl_mvm_cleanup_iterator, mvm);
1070
fe0f2de3 1071 mvm->p2p_device_vif = NULL;
37577fe2 1072 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 1073
1074 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 1075 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
1076 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
a0f6bf2a 1077 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
8a275bad
EG		 1078 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
1079 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
1080 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
1081 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
1082 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
1083 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 1084
1085 ieee80211_wake_queues(mvm->hw);
1086
228670b2
EP		 1087 /* clear any stale d0i3 state */
1088 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1089
8ca151b5 1090 mvm->vif_count = 0;
113a0447 1091 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 1092}
1093
a0a09243 1094int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 1095{
8ca151b5
JB		 1096 int ret;
1097
a0a09243 1098 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 1099
1100 /* Clean up some internal and mac80211 state on restart */
1101 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1102 iwl_mvm_restart_cleanup(mvm);
1103
1104 ret = iwl_mvm_up(mvm);
c47af22a
JB		 1105
1106 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1107 /* Something went wrong - we need to finish some cleanup
1108 * that normally iwl_mvm_mac_restart_complete() below
1109 * would do.
1110 */
1111 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1112 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1113 }
1114
a0a09243
LC		 1115 return ret;
1116}
1117
1118static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1119{
1120 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1121 int ret;
1122
37948fcf
EP		 1123 /* Some hw restart cleanups must not hold the mutex */
1124 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1125 /*
1126 * Make sure we are out of d0i3. This is needed
1127 * to make sure the reference accounting is correct
1128 * (and there is no stale d0i3_exit_work).
1129 */
1130 wait_event_timeout(mvm->d0i3_exit_waitq,
1131 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1132 &mvm->status),
1133 HZ);
1134 }
1135
a0a09243
LC		 1136 mutex_lock(&mvm->mutex);
1137 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 1138 mutex_unlock(&mvm->mutex);
1139
1140 return ret;
1141}
1142
cf2c92d8 1143static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
8ca151b5 1144{
8ca151b5
JB		 1145 int ret;
1146
1147 mutex_lock(&mvm->mutex);
1148
1149 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 1150 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 1151 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1152 if (ret)
1153 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1154 ret);
1155
7498cf4c
EP		 1156 /* allow transport/FW low power modes */
1157 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1158
cbd2ae2d
AN		 1159 /*
1160 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1161 * of packets the FW sent out, so we must reconnect.
1162 */
1163 iwl_mvm_teardown_tdls_peers(mvm);
1164
8ca151b5
JB		 1165 mutex_unlock(&mvm->mutex);
1166}
1167
088070a2
EP		 1168static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
1169{
1170 bool exit_now;
1171
1172 if (!iwl_mvm_is_d0i3_supported(mvm))
1173 return;
1174
1175 mutex_lock(&mvm->d0i3_suspend_mutex);
1176 __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
1177 exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
1178 &mvm->d0i3_suspend_flags);
1179 mutex_unlock(&mvm->d0i3_suspend_mutex);
1180
1181 if (exit_now) {
1182 IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
1183 _iwl_mvm_exit_d0i3(mvm);
1184 }
6735943f
EP		 1185
1186 if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND)
1187 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
1188 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1189 &mvm->status),
1190 HZ))
1191 WARN_ONCE(1, "D0i3 exit on resume timed out\n");
088070a2
EP		 1192}
1193
cf2c92d8
EP		 1194static void
1195iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1196 enum ieee80211_reconfig_type reconfig_type)
1197{
1198 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1199
1200 switch (reconfig_type) {
1201 case IEEE80211_RECONFIG_TYPE_RESTART:
1202 iwl_mvm_restart_complete(mvm);
1203 break;
1204 case IEEE80211_RECONFIG_TYPE_SUSPEND:
088070a2 1205 iwl_mvm_resume_complete(mvm);
cf2c92d8
EP		 1206 break;
1207 }
1208}
1209
a0a09243 1210void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 1211{
a0a09243 1212 lockdep_assert_held(&mvm->mutex);
7498cf4c 1213
0a79a0c0
EP		 1214 /*
1215 * Disallow low power states when the FW is down by taking
1216 * the UCODE_DOWN ref. in case of ongoing hw restart the
1217 * ref is already taken, so don't take it again.
1218 */
1219 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1220 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
7498cf4c 1221
8ca151b5
JB		 1222 /* async_handlers_wk is now blocked */
1223
1224 /*
1225 * The work item could be running or queued if the
1226 * ROC time event stops just as we get here.
1227 */
1228 cancel_work_sync(&mvm->roc_done_wk);
1229
1230 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 1231
1232 iwl_mvm_async_handlers_purge(mvm);
1233 /* async_handlers_list is empty and will stay empty: HW is stopped */
1234
1235 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 1236 iwl_mvm_del_aux_sta(mvm);
8ca151b5 1237
0a79a0c0
EP		 1238 /*
1239 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1240 * won't be called in this case).
1241 */
1242 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1243
bc44886d 1244 mvm->ucode_loaded = false;
a0a09243 1245}
bc44886d 1246
a0a09243
LC		 1247static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1248{
1249 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1250
1251 flush_work(&mvm->d0i3_exit_work);
1252 flush_work(&mvm->async_handlers_wk);
4bfa47f3 1253 flush_work(&mvm->fw_error_dump_wk);
a0a09243
LC		 1254
1255 mutex_lock(&mvm->mutex);
1256 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 1257 mutex_unlock(&mvm->mutex);
1258
1259 /*
1260 * The worker might have been waiting for the mutex, let it run and
1261 * discover that its list is now empty.
1262 */
1263 cancel_work_sync(&mvm->async_handlers_wk);
1264}
1265
fe0f2de3
IP		 1266static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1267{
1268 u16 i;
1269
1270 lockdep_assert_held(&mvm->mutex);
1271
1272 for (i = 0; i < NUM_PHY_CTX; i++)
1273 if (!mvm->phy_ctxts[i].ref)
1274 return &mvm->phy_ctxts[i];
1275
1276 IWL_ERR(mvm, "No available PHY context\n");
1277 return NULL;
1278}
1279
ee9c6cb0
EG		 1280static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1281 s8 tx_power)
1282{
1283 /* FW is in charge of regulatory enforcement */
1284 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
1285 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
1286 .pwr_restriction = cpu_to_le16(tx_power),
1287 };
1288
a1022927 1289 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 1290 sizeof(reduce_txpwr_cmd),
1291 &reduce_txpwr_cmd);
1292}
1293
8ca151b5
JB		 1294static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1295 struct ieee80211_vif *vif)
1296{
1297 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1298 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1299 int ret;
1300
d40fc489
GG		 1301 /*
1302 * make sure D0i3 exit is completed, otherwise a target access
1303 * during tx queue configuration could be done when still in
1304 * D0i3 state.
1305 */
1306 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1307 if (ret)
1308 return ret;
1309
8ca151b5
JB		 1310 /*
1311 * Not much to do here. The stack will not allow interface
1312 * types or combinations that we didn't advertise, so we
1313 * don't really have to check the types.
1314 */
1315
1316 mutex_lock(&mvm->mutex);
1317
e89044d7 1318 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 1319 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1320 if (ret)
1321 goto out_unlock;
1322
1c2abf72 1323 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 1324 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1325 mvm->vif_count++;
ea183d02 1326
8ca151b5
JB		 1327 /*
1328 * The AP binding flow can be done only after the beacon
1329 * template is configured (which happens only in the mac80211
1330 * start_ap() flow), and adding the broadcast station can happen
1331 * only after the binding.
1332 * In addition, since modifying the MAC before adding a bcast
1333 * station is not allowed by the FW, delay the adding of MAC context to
1334 * the point where we can also add the bcast station.
1335 * In short: there's not much we can do at this point, other than
1336 * allocating resources :)
1337 */
5023d966
JB		 1338 if (vif->type == NL80211_IFTYPE_AP ||
1339 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 1340 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1341 if (ret) {
1342 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1343 goto out_release;
1344 }
1345
77740cb4 1346 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1347 goto out_unlock;
1348 }
1349
8ca151b5
JB		 1350 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1351 if (ret)
1352 goto out_release;
1353
999609f1 1354 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 1355 if (ret)
1356 goto out_release;
8ca151b5 1357
7df15b1e 1358 /* beacon filtering */
a1022927 1359 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1360 if (ret)
1361 goto out_remove_mac;
1362
7df15b1e 1363 if (!mvm->bf_allowed_vif &&
73e5f2c5 1364 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1365 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1366 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1367 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1368 }
1369
8ca151b5
JB		 1370 /*
1371 * P2P_DEVICE interface does not have a channel context assigned to it,
1372 * so a dedicated PHY context is allocated to it and the corresponding
1373 * MAC context is bound to it at this stage.
1374 */
1375 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1376
fe0f2de3
IP		 1377 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1378 if (!mvmvif->phy_ctxt) {
1379 ret = -ENOSPC;
bd3351ba 1380 goto out_free_bf;
fe0f2de3 1381 }
8ca151b5 1382
53a9d61e 1383 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1384 ret = iwl_mvm_binding_add_vif(mvm, vif);
1385 if (ret)
53a9d61e 1386 goto out_unref_phy;
8ca151b5 1387
013290aa 1388 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1389 if (ret)
1390 goto out_unbind;
1391
1392 /* Save a pointer to p2p device vif, so it can later be used to
1393 * update the p2p device MAC when a GO is started/stopped */
1394 mvm->p2p_device_vif = vif;
1395 }
1396
63494374 1397 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1398 goto out_unlock;
1399
1400 out_unbind:
1401 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1402 out_unref_phy:
fe0f2de3 1403 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1404 out_free_bf:
1405 if (mvm->bf_allowed_vif == mvmvif) {
1406 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1407 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1408 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1409 }
8ca151b5
JB		 1410 out_remove_mac:
1411 mvmvif->phy_ctxt = NULL;
1412 iwl_mvm_mac_ctxt_remove(mvm, vif);
1413 out_release:
5ee2b215
AB		 1414 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1415 mvm->vif_count--;
1c2abf72 1416
8ca151b5
JB		 1417 iwl_mvm_mac_ctxt_release(mvm, vif);
1418 out_unlock:
1419 mutex_unlock(&mvm->mutex);
1420
d40fc489
GG		 1421 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1422
8ca151b5
JB		 1423 return ret;
1424}
1425
38a12b5b
JB		 1426static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1427 struct ieee80211_vif *vif)
8ca151b5 1428{
d92b732e 1429 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
8ca151b5
JB		 1430
1431 if (tfd_msk) {
1432 mutex_lock(&mvm->mutex);
1433 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1434 mutex_unlock(&mvm->mutex);
1435 }
1436
1437 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1438 /*
1439 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1440 * We assume here that all the packets sent to the OFFCHANNEL
1441 * queue are sent in ROC session.
1442 */
1443 flush_work(&mvm->roc_done_wk);
1444 } else {
1445 /*
1446 * By now, all the AC queues are empty. The AGG queues are
1447 * empty too. We already got all the Tx responses for all the
1448 * packets in the queues. The drain work can have been
0742a75a 1449 * triggered. Flush it.
8ca151b5
JB		 1450 */
1451 flush_work(&mvm->sta_drained_wk);
1452 }
38a12b5b
JB		 1453}
1454
1455static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1456 struct ieee80211_vif *vif)
1457{
1458 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1459 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1460
1461 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1462
1463 mutex_lock(&mvm->mutex);
1464
7df15b1e
HG		 1465 if (mvm->bf_allowed_vif == mvmvif) {
1466 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1467 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1468 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1469 }
1470
63494374
JB		 1471 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1472
8ca151b5
JB		 1473 /*
1474 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1475 * interface is be handled as part of the stop_ap flow.
8ca151b5 1476 */
5023d966
JB		 1477 if (vif->type == NL80211_IFTYPE_AP ||
1478 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1479#ifdef CONFIG_NL80211_TESTMODE
1480 if (vif == mvm->noa_vif) {
1481 mvm->noa_vif = NULL;
1482 mvm->noa_duration = 0;
1483 }
1484#endif
013290aa 1485 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1486 goto out_release;
1487 }
1488
1489 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1490 mvm->p2p_device_vif = NULL;
013290aa 1491 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1492 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1493 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1494 mvmvif->phy_ctxt = NULL;
1495 }
1496
5ee2b215 1497 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1498 mvm->vif_count--;
1c2abf72 1499
999609f1 1500 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1501 iwl_mvm_mac_ctxt_remove(mvm, vif);
1502
1503out_release:
1504 iwl_mvm_mac_ctxt_release(mvm, vif);
1505 mutex_unlock(&mvm->mutex);
1506}
1507
1508static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1509{
8ca151b5
JB		 1510 return 0;
1511}
1512
e59647ea
EP		 1513struct iwl_mvm_mc_iter_data {
1514 struct iwl_mvm *mvm;
1515 int port_id;
1516};
1517
1518static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1519 struct ieee80211_vif *vif)
1520{
1521 struct iwl_mvm_mc_iter_data *data = _data;
1522 struct iwl_mvm *mvm = data->mvm;
1523 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1524 int ret, len;
1525
1526 /* if we don't have free ports, mcast frames will be dropped */
1527 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1528 return;
1529
1530 if (vif->type != NL80211_IFTYPE_STATION ||
1531 !vif->bss_conf.assoc)
1532 return;
1533
1534 cmd->port_id = data->port_id++;
1535 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1536 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1537
1c4abec0 1538 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1539 if (ret)
1540 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1541}
1542
1543static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1544{
1545 struct iwl_mvm_mc_iter_data iter_data = {
1546 .mvm = mvm,
88f2fd73
MG		 1547 };
1548
e59647ea
EP		 1549 lockdep_assert_held(&mvm->mutex);
1550
1551 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1552 return;
1553
1c4abec0 1554 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1555 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1556 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1557}
1558
e59647ea
EP		 1559static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1560 struct netdev_hw_addr_list *mc_list)
8ca151b5 1561{
e59647ea
EP		 1562 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1563 struct iwl_mcast_filter_cmd *cmd;
1564 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1565 int addr_count;
1566 bool pass_all;
e59647ea
EP		 1567 int len;
1568
f3bd58f4
MS		 1569 addr_count = netdev_hw_addr_list_count(mc_list);
1570 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1571 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1572 if (pass_all)
e59647ea 1573 addr_count = 0;
e59647ea
EP		 1574
1575 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1576 cmd = kzalloc(len, GFP_ATOMIC);
1577 if (!cmd)
1578 return 0;
1579
1580 if (pass_all) {
1581 cmd->pass_all = 1;
1582 return (u64)(unsigned long)cmd;
1583 }
1584
1585 netdev_hw_addr_list_for_each(addr, mc_list) {
1586 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1587 cmd->count, addr->addr);
1588 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1589 addr->addr, ETH_ALEN);
1590 cmd->count++;
1591 }
1592
1593 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1594}
1595
1596static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1597 unsigned int changed_flags,
1598 unsigned int *total_flags,
1599 u64 multicast)
1600{
e59647ea
EP		 1601 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1602 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1603
e59647ea 1604 mutex_lock(&mvm->mutex);
51b6b9e0 1605
e59647ea
EP		 1606 /* replace previous configuration */
1607 kfree(mvm->mcast_filter_cmd);
1608 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1609
e59647ea
EP		 1610 if (!cmd)
1611 goto out;
51b6b9e0 1612
e59647ea
EP		 1613 iwl_mvm_recalc_multicast(mvm);
1614out:
1615 mutex_unlock(&mvm->mutex);
1616 *total_flags = 0;
51b6b9e0
EG		 1617}
1618
c87163b9
EP		 1619#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1620struct iwl_bcast_iter_data {
1621 struct iwl_mvm *mvm;
1622 struct iwl_bcast_filter_cmd *cmd;
1623 u8 current_filter;
1624};
1625
1626static void
1627iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1628 const struct iwl_fw_bcast_filter *in_filter,
1629 struct iwl_fw_bcast_filter *out_filter)
1630{
1631 struct iwl_fw_bcast_filter_attr *attr;
1632 int i;
1633
1634 memcpy(out_filter, in_filter, sizeof(*out_filter));
1635
1636 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1637 attr = &out_filter->attrs[i];
1638
1639 if (!attr->mask)
1640 break;
1641
2ee8f021
EP		 1642 switch (attr->reserved1) {
1643 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1644 if (vif->bss_conf.arp_addr_cnt != 1) {
1645 attr->mask = 0;
1646 continue;
1647 }
1648
1649 attr->val = vif->bss_conf.arp_addr_list[0];
1650 break;
1651 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1652 attr->val = *(__be32 *)&vif->addr[2];
1653 break;
1654 default:
1655 break;
1656 }
1657 attr->reserved1 = 0;
c87163b9
EP		 1658 out_filter->num_attrs++;
1659 }
1660}
1661
1662static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1663 struct ieee80211_vif *vif)
1664{
1665 struct iwl_bcast_iter_data *data = _data;
1666 struct iwl_mvm *mvm = data->mvm;
1667 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1668 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1669 struct iwl_fw_bcast_mac *bcast_mac;
1670 int i;
1671
1672 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1673 return;
1674
1675 bcast_mac = &cmd->macs[mvmvif->id];
1676
e48393e8
IP		 1677 /*
1678 * enable filtering only for associated stations, but not for P2P
1679 * Clients
1680 */
1681 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1682 !vif->bss_conf.assoc)
c87163b9
EP		 1683 return;
1684
1685 bcast_mac->default_discard = 1;
1686
1687 /* copy all configured filters */
1688 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1689 /*
1690 * Make sure we don't exceed our filters limit.
1691 * if there is still a valid filter to be configured,
1692 * be on the safe side and just allow bcast for this mac.
1693 */
1694 if (WARN_ON_ONCE(data->current_filter >=
1695 ARRAY_SIZE(cmd->filters))) {
1696 bcast_mac->default_discard = 0;
1697 bcast_mac->attached_filters = 0;
1698 break;
1699 }
1700
1701 iwl_mvm_set_bcast_filter(vif,
1702 &mvm->bcast_filters[i],
1703 &cmd->filters[data->current_filter]);
1704
1705 /* skip current filter if it contains no attributes */
1706 if (!cmd->filters[data->current_filter].num_attrs)
1707 continue;
1708
1709 /* attach the filter to current mac */
1710 bcast_mac->attached_filters |=
1711 cpu_to_le16(BIT(data->current_filter));
1712
1713 data->current_filter++;
1714 }
1715}
1716
de06a59e
EP		 1717bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1718 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1719{
c87163b9
EP		 1720 struct iwl_bcast_iter_data iter_data = {
1721 .mvm = mvm,
de06a59e 1722 .cmd = cmd,
c87163b9
EP		 1723 };
1724
3b8983b1
MS		 1725 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1726 return false;
1727
de06a59e
EP		 1728 memset(cmd, 0, sizeof(*cmd));
1729 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1730 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1731
1732#ifdef CONFIG_IWLWIFI_DEBUGFS
1733 /* use debugfs filters/macs if override is configured */
1734 if (mvm->dbgfs_bcast_filtering.override) {
1735 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1736 sizeof(cmd->filters));
1737 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1738 sizeof(cmd->macs));
1739 return true;
1740 }
1741#endif
c87163b9
EP		 1742
1743 /* if no filters are configured, do nothing */
1744 if (!mvm->bcast_filters)
de06a59e 1745 return false;
c87163b9
EP		 1746
1747 /* configure and attach these filters for each associated sta vif */
1748 ieee80211_iterate_active_interfaces(
1749 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1750 iwl_mvm_bcast_filter_iterator, &iter_data);
1751
de06a59e
EP		 1752 return true;
1753}
1754static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1755 struct ieee80211_vif *vif)
1756{
1757 struct iwl_bcast_filter_cmd cmd;
1758
1759 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1760 return 0;
1761
1762 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1763 return 0;
1764
a1022927 1765 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1766 sizeof(cmd), &cmd);
1767}
1768#else
1769static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1770 struct ieee80211_vif *vif)
1771{
1772 return 0;
1773}
1774#endif
1775
8ca151b5
JB		 1776static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1777 struct ieee80211_vif *vif,
1778 struct ieee80211_bss_conf *bss_conf,
1779 u32 changes)
1780{
1781 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1782 int ret;
1783
6e97b0d2
IP		 1784 /*
1785 * Re-calculate the tsf id, as the master-slave relations depend on the
1786 * beacon interval, which was not known when the station interface was
1787 * added.
1788 */
1789 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1790 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1791
3dfd3a97
JB		 1792 /*
1793 * If we're not associated yet, take the (new) BSSID before associating
1794 * so the firmware knows. If we're already associated, then use the old
1795 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1796 * branch for disassociation below.
1797 */
1798 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1799 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1800
1801 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1802 if (ret)
1803 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1804
3dfd3a97
JB		 1805 /* after sending it once, adopt mac80211 data */
1806 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1807 mvmvif->associated = bss_conf->assoc;
1808
8ca151b5
JB		 1809 if (changes & BSS_CHANGED_ASSOC) {
1810 if (bss_conf->assoc) {
1811 /* add quota for this interface */
0166230c 1812 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1813 if (ret) {
1814 IWL_ERR(mvm, "failed to update quotas\n");
1815 return;
1816 }
016d27e1
JB		 1817
1818 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1819 &mvm->status)) {
1820 /*
1821 * If we're restarting then the firmware will
1822 * obviously have lost synchronisation with
1823 * the AP. It will attempt to synchronise by
1824 * itself, but we can make it more reliable by
1825 * scheduling a session protection time event.
1826 *
1827 * The firmware needs to receive a beacon to
1828 * catch up with synchronisation, use 110% of
1829 * the beacon interval.
1830 *
1831 * Set a large maximum delay to allow for more
1832 * than a single interface.
1833 */
1834 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1835 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1836 5 * dur, false);
016d27e1 1837 }
1f3b0ff8
LE		 1838
1839 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1840 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1841 if (vif->p2p) {
29a90a49 1842 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1843 iwl_mvm_update_smps(mvm, vif,
1844 IWL_MVM_SMPS_REQ_PROT,
1845 IEEE80211_SMPS_DYNAMIC);
1846 }
8ca151b5 1847 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1848 /*
1849 * If update fails - SF might be running in associated
1850 * mode while disassociated - which is forbidden.
1851 */
1852 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1853 "Failed to update SF upon disassociation\n");
1854
8ca151b5
JB		 1855 /* remove AP station now that the MAC is unassoc */
1856 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1857 if (ret)
1858 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1859
1860 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1861 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1862 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1863 /* remove quota for this interface */
0166230c 1864 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1865 if (ret)
1866 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1867
1868 if (vif->p2p)
1869 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1870
1871 /* this will take the cleared BSSID from bss_conf */
1872 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1873 if (ret)
1874 IWL_ERR(mvm,
1875 "failed to update MAC %pM (clear after unassoc)\n",
1876 vif->addr);
8ca151b5 1877 }
a20fd398 1878
e59647ea 1879 iwl_mvm_recalc_multicast(mvm);
c87163b9 1880 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1881
a20fd398
AO		 1882 /* reset rssi values */
1883 mvmvif->bf_data.ave_beacon_signal = 0;
1884
8e484f0b 1885 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1886 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1887 IEEE80211_SMPS_AUTOMATIC);
989c6505 1888 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1889 /*
1890 * We received a beacon _after_ association so
1891 * remove the session protection.
1892 */
1893 iwl_mvm_remove_time_event(mvm, mvmvif,
1894 &mvmvif->time_event_data);
8ca151b5 1895 }
cc87d322
EH		 1896
1897 if (changes & BSS_CHANGED_BEACON_INFO) {
1898 iwl_mvm_sf_update(mvm, vif, false);
1899 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1900 }
1901
1bc10d3b
JB		 1902 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1903 ret = iwl_mvm_power_update_mac(mvm);
1904 if (ret)
1905 IWL_ERR(mvm, "failed to update power mode\n");
1906 }
1907
88f2fd73
MG		 1908 if (changes & BSS_CHANGED_TXPOWER) {
1909 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1910 bss_conf->txpower);
1911 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1912 }
a20fd398
AO		 1913
1914 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1915 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1916 /* reset cqm events tracking */
1917 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1918 if (mvmvif->bf_data.bf_enabled) {
1919 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1920 if (ret)
1921 IWL_ERR(mvm,
1922 "failed to update CQM thresholds\n");
1923 }
a20fd398 1924 }
2ee8f021
EP		 1925
1926 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1927 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1928 iwl_mvm_configure_bcast_filter(mvm, vif);
1929 }
8ca151b5
JB		 1930}
1931
5023d966
JB		 1932static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1933 struct ieee80211_vif *vif)
8ca151b5
JB		 1934{
1935 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1936 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1937 int ret;
1938
576eeee9
EP		 1939 /*
1940 * iwl_mvm_mac_ctxt_add() might read directly from the device
1941 * (the system time), so make sure it is available.
1942 */
1943 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1944 if (ret)
1945 return ret;
1946
8ca151b5
JB		 1947 mutex_lock(&mvm->mutex);
1948
1949 /* Send the beacon template */
1950 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1951 if (ret)
1952 goto out_unlock;
1953
6e97b0d2
IP		 1954 /*
1955 * Re-calculate the tsf id, as the master-slave relations depend on the
1956 * beacon interval, which was not known when the AP interface was added.
1957 */
1958 if (vif->type == NL80211_IFTYPE_AP)
1959 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1960
8ca151b5
JB		 1961 /* Add the mac context */
1962 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1963 if (ret)
1964 goto out_unlock;
1965
1966 /* Perform the binding */
1967 ret = iwl_mvm_binding_add_vif(mvm, vif);
1968 if (ret)
1969 goto out_remove;
1970
8ca151b5
JB		 1971 /* Send the bcast station. At this stage the TBTT and DTIM time events
1972 * are added and applied to the scheduler */
013290aa 1973 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1974 if (ret)
1975 goto out_unbind;
1976
5691e218
IP		 1977 /* must be set before quota calculations */
1978 mvmvif->ap_ibss_active = true;
1979
a11e144e 1980 /* power updated needs to be done before quotas */
999609f1 1981 iwl_mvm_power_update_mac(mvm);
a11e144e 1982
0166230c 1983 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1984 if (ret)
a11e144e 1985 goto out_quota_failed;
8ca151b5 1986
5023d966 1987 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1988 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1989 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1990
29a90a49
EP		 1991 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1992
8e484f0b 1993 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1994
f697267f
AN		 1995 /* we don't support TDLS during DCM */
1996 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1997 iwl_mvm_teardown_tdls_peers(mvm);
1998
8ca151b5
JB		 1999 mutex_unlock(&mvm->mutex);
2000 return 0;
2001
a11e144e 2002out_quota_failed:
999609f1 2003 iwl_mvm_power_update_mac(mvm);
5691e218 2004 mvmvif->ap_ibss_active = false;
013290aa 2005 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 2006out_unbind:
2007 iwl_mvm_binding_remove_vif(mvm, vif);
2008out_remove:
2009 iwl_mvm_mac_ctxt_remove(mvm, vif);
2010out_unlock:
2011 mutex_unlock(&mvm->mutex);
576eeee9 2012 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 2013 return ret;
2014}
2015
5023d966
JB		 2016static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2017 struct ieee80211_vif *vif)
8ca151b5
JB		 2018{
2019 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2020 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2021
38a12b5b
JB		 2022 iwl_mvm_prepare_mac_removal(mvm, vif);
2023
8ca151b5
JB		 2024 mutex_lock(&mvm->mutex);
2025
664322fa 2026 /* Handle AP stop while in CSA */
7f0a7c67
AO		 2027 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2028 iwl_mvm_remove_time_event(mvm, mvmvif,
2029 &mvmvif->time_event_data);
664322fa 2030 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 2031 }
664322fa 2032
003e5236
AO		 2033 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2034 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2035 mvm->csa_tx_block_bcn_timeout = 0;
2036 }
2037
5023d966 2038 mvmvif->ap_ibss_active = false;
1c87bbad 2039 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 2040
8e484f0b 2041 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2042
29a90a49
EP		 2043 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
2044
5023d966 2045 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2046 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2047 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2048
0166230c 2049 iwl_mvm_update_quotas(mvm, NULL);
013290aa 2050 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 2051 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 2052
999609f1 2053 iwl_mvm_power_update_mac(mvm);
a11e144e 2054
8ca151b5
JB		 2055 iwl_mvm_mac_ctxt_remove(mvm, vif);
2056
2057 mutex_unlock(&mvm->mutex);
2058}
2059
5023d966
JB		 2060static void
2061iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2062 struct ieee80211_vif *vif,
2063 struct ieee80211_bss_conf *bss_conf,
2064 u32 changes)
8ca151b5 2065{
be2056fc 2066 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 2067
be2056fc
IP		 2068 /* Changes will be applied when the AP/IBSS is started */
2069 if (!mvmvif->ap_ibss_active)
2070 return;
2071
863230da 2072 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 2073 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 2074 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 2075 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 2076
8ca151b5 2077 /* Need to send a new beacon template to the FW */
863230da
JB		 2078 if (changes & BSS_CHANGED_BEACON &&
2079 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2080 IWL_WARN(mvm, "Failed updating beacon data\n");
79b7a69d
HD		 2081
2082 if (changes & BSS_CHANGED_TXPOWER) {
2083 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2084 bss_conf->txpower);
2085 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2086 }
2087
8ca151b5
JB		 2088}
2089
2090static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2091 struct ieee80211_vif *vif,
2092 struct ieee80211_bss_conf *bss_conf,
2093 u32 changes)
2094{
2095 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2096
576eeee9
EP		 2097 /*
2098 * iwl_mvm_bss_info_changed_station() might call
2099 * iwl_mvm_protect_session(), which reads directly from
2100 * the device (the system time), so make sure it is available.
2101 */
2102 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
2103 return;
2104
8ca151b5
JB		 2105 mutex_lock(&mvm->mutex);
2106
723f02ed 2107 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 2108 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 2109
8ca151b5
JB		 2110 switch (vif->type) {
2111 case NL80211_IFTYPE_STATION:
2112 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2113 break;
2114 case NL80211_IFTYPE_AP:
5023d966
JB		 2115 case NL80211_IFTYPE_ADHOC:
2116 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 2117 break;
2118 default:
2119 /* shouldn't happen */
2120 WARN_ON_ONCE(1);
2121 }
2122
2123 mutex_unlock(&mvm->mutex);
576eeee9 2124 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 2125}
2126
4660dfbb
EP		 2127static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
2128 enum iwl_scan_status scan_type)
2129{
2130 int ret;
2131 bool wait_for_handlers = false;
2132
2133 mutex_lock(&mvm->mutex);
2134
2135 if (mvm->scan_status != scan_type) {
2136 ret = 0;
2137 /* make sure there are no pending notifications */
2138 wait_for_handlers = true;
2139 goto out;
2140 }
2141
2142 switch (scan_type) {
2143 case IWL_MVM_SCAN_SCHED:
2144 ret = iwl_mvm_scan_offload_stop(mvm, true);
2145 break;
2146 case IWL_MVM_SCAN_OS:
2147 ret = iwl_mvm_cancel_scan(mvm);
2148 break;
2149 case IWL_MVM_SCAN_NONE:
2150 default:
2151 WARN_ON_ONCE(1);
2152 ret = -EINVAL;
2153 break;
2154 }
2155 if (ret)
2156 goto out;
2157
2158 wait_for_handlers = true;
2159out:
2160 mutex_unlock(&mvm->mutex);
2161
2162 /* make sure we consume the completion notification */
2163 if (wait_for_handlers)
2164 iwl_mvm_wait_for_async_handlers(mvm);
2165
2166 return ret;
2167}
8ca151b5
JB		 2168static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2169 struct ieee80211_vif *vif,
c56ef672 2170 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 2171{
2172 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 2173 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 2174 int ret;
2175
762533ba
DS		 2176 if (req->n_channels == 0 ||
2177 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 2178 return -EINVAL;
2179
d2496221
DS		 2180 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2181 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
2182 if (ret)
2183 return ret;
2184 }
4660dfbb 2185
8ca151b5
JB		 2186 mutex_lock(&mvm->mutex);
2187
4660dfbb 2188 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 2189 ret = -EBUSY;
519e2026
AN		 2190 goto out;
2191 }
8ca151b5 2192
519e2026
AN		 2193 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
2194
b975e55a 2195 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
d2496221 2196 ret = iwl_mvm_scan_umac(mvm, vif, hw_req);
b975e55a
DS		 2197 else if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
2198 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
fb98be5e
DS		 2199 else
2200 ret = iwl_mvm_scan_request(mvm, vif, req);
2201
519e2026
AN		 2202 if (ret)
2203 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
2204out:
8ca151b5 2205 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 2206 return ret;
2207}
2208
2209static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2210 struct ieee80211_vif *vif)
2211{
2212 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2213
2214 mutex_lock(&mvm->mutex);
2215
2216 iwl_mvm_cancel_scan(mvm);
2217
2218 mutex_unlock(&mvm->mutex);
2219}
2220
2221static void
2222iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 2223 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 2224 int num_frames,
2225 enum ieee80211_frame_release_type reason,
2226 bool more_data)
2227{
2228 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 2229
3e56eadf 2230 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 2231
3e56eadf
JB		 2232 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2233 tids, more_data, false);
2234}
2235
2236static void
2237iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2238 struct ieee80211_sta *sta, u16 tids,
2239 int num_frames,
2240 enum ieee80211_frame_release_type reason,
2241 bool more_data)
2242{
2243 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2244
2245 /* Called when we need to transmit (a) frame(s) from agg queue */
2246
2247 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2248 tids, more_data, true);
8ca151b5
JB		 2249}
2250
2251static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2252 struct ieee80211_vif *vif,
2253 enum sta_notify_cmd cmd,
2254 struct ieee80211_sta *sta)
2255{
2256 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 2257 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 2258 int tid;
8ca151b5
JB		 2259
2260 switch (cmd) {
2261 case STA_NOTIFY_SLEEP:
e3d4bc8c 2262 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 2263 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 2264 spin_lock_bh(&mvmsta->lock);
2265 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2266 struct iwl_mvm_tid_data *tid_data;
2267
2268 tid_data = &mvmsta->tid_data[tid];
2269 if (tid_data->state != IWL_AGG_ON &&
2270 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2271 continue;
2272 if (iwl_mvm_tid_queued(tid_data) == 0)
2273 continue;
2274 ieee80211_sta_set_buffered(sta, tid, true);
2275 }
2276 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 2277 /*
2278 * The fw updates the STA to be asleep. Tx packets on the Tx
2279 * queues to this station will not be transmitted. The fw will
2280 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2281 */
2282 break;
2283 case STA_NOTIFY_AWAKE:
881acd89 2284 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 2285 break;
9cc40712 2286 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 2287 break;
2288 default:
2289 break;
2290 }
2291}
2292
1ddbbb0c
JB		 2293static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2294 struct ieee80211_vif *vif,
2295 struct ieee80211_sta *sta)
2296{
2297 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 2298 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
1ddbbb0c
JB		 2299
2300 /*
2301 * This is called before mac80211 does RCU synchronisation,
2302 * so here we already invalidate our internal RCU-protected
2303 * station pointer. The rest of the code will thus no longer
2304 * be able to find the station this way, and we don't rely
2305 * on further RCU synchronisation after the sta_state()
2306 * callback deleted the station.
2307 */
2308 mutex_lock(&mvm->mutex);
2309 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2310 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2311 ERR_PTR(-ENOENT));
2312 mutex_unlock(&mvm->mutex);
2313}
2314
bd1ba664
JB		 2315static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2316 const u8 *bssid)
2317{
2318 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2319 return;
2320
2321 if (iwlwifi_mod_params.uapsd_disable) {
2322 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2323 return;
2324 }
2325
2326 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2327}
2328
8ca151b5
JB		 2329static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2330 struct ieee80211_vif *vif,
2331 struct ieee80211_sta *sta,
2332 enum ieee80211_sta_state old_state,
2333 enum ieee80211_sta_state new_state)
2334{
2335 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2336 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2337 int ret;
2338
2339 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2340 sta->addr, old_state, new_state);
2341
2342 /* this would be a mac80211 bug ... but don't crash */
2343 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2344 return -EINVAL;
2345
2346 /* if a STA is being removed, reuse its ID */
2347 flush_work(&mvm->sta_drained_wk);
2348
2349 mutex_lock(&mvm->mutex);
2350 if (old_state == IEEE80211_STA_NOTEXIST &&
2351 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2352 /*
2353 * Firmware bug - it'll crash if the beacon interval is less
2354 * than 16. We can't avoid connecting at all, so refuse the
2355 * station state change, this will cause mac80211 to abandon
2356 * attempts to connect to this AP, and eventually wpa_s will
2357 * blacklist the AP...
2358 */
2359 if (vif->type == NL80211_IFTYPE_STATION &&
2360 vif->bss_conf.beacon_int < 16) {
2361 IWL_ERR(mvm,
2362 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2363 sta->addr, vif->bss_conf.beacon_int);
2364 ret = -EINVAL;
2365 goto out_unlock;
2366 }
cf7b491d
AN		 2367
2368 if (sta->tdls &&
2369 (vif->p2p ||
fa3d07e4
AN		 2370 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2371 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2372 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2373 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2374 ret = -EBUSY;
2375 goto out_unlock;
2376 }
2377
8ca151b5 2378 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2379 if (sta->tdls && ret == 0)
2380 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2381 } else if (old_state == IEEE80211_STA_NONE &&
2382 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2383 /*
2384 * EBS may be disabled due to previous failures reported by FW.
2385 * Reset EBS status here assuming environment has been changed.
2386 */
2387 mvm->last_ebs_successful = true;
bd1ba664 2388 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
8ca151b5
JB		 2389 ret = 0;
2390 } else if (old_state == IEEE80211_STA_AUTH &&
2391 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2392 ret = iwl_mvm_update_sta(mvm, vif, sta);
2393 if (ret == 0)
2394 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2395 mvmvif->phy_ctxt->channel->band,
2396 true);
8ca151b5
JB		 2397 } else if (old_state == IEEE80211_STA_ASSOC &&
2398 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2399
2400 /* we don't support TDLS during DCM */
2401 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2402 iwl_mvm_teardown_tdls_peers(mvm);
2403
7df15b1e 2404 /* enable beacon filtering */
fa7b2e7f 2405 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2406 ret = 0;
2407 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2408 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2409 /* disable beacon filtering */
a1022927 2410 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2411 ret = 0;
2412 } else if (old_state == IEEE80211_STA_ASSOC &&
2413 new_state == IEEE80211_STA_AUTH) {
2414 ret = 0;
2415 } else if (old_state == IEEE80211_STA_AUTH &&
2416 new_state == IEEE80211_STA_NONE) {
2417 ret = 0;
2418 } else if (old_state == IEEE80211_STA_NONE &&
2419 new_state == IEEE80211_STA_NOTEXIST) {
2420 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2421 if (sta->tdls)
2422 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2423 } else {
2424 ret = -EIO;
2425 }
48bc1307 2426 out_unlock:
8ca151b5
JB		 2427 mutex_unlock(&mvm->mutex);
2428
9c126cd6
LK		 2429 if (sta->tdls && ret == 0) {
2430 if (old_state == IEEE80211_STA_NOTEXIST &&
2431 new_state == IEEE80211_STA_NONE)
2432 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2433 else if (old_state == IEEE80211_STA_NONE &&
2434 new_state == IEEE80211_STA_NOTEXIST)
2435 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2436 }
2437
8ca151b5
JB		 2438 return ret;
2439}
2440
2441static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2442{
2443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2444
2445 mvm->rts_threshold = value;
2446
2447 return 0;
2448}
2449
1f3b0ff8
LE		 2450static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2451 struct ieee80211_vif *vif,
2452 struct ieee80211_sta *sta, u32 changed)
2453{
2454 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2455
2456 if (vif->type == NL80211_IFTYPE_STATION &&
2457 changed & IEEE80211_RC_NSS_CHANGED)
2458 iwl_mvm_sf_update(mvm, vif, false);
2459}
2460
8ca151b5
JB		 2461static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2462 struct ieee80211_vif *vif, u16 ac,
2463 const struct ieee80211_tx_queue_params *params)
2464{
2465 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2466 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2467
2468 mvmvif->queue_params[ac] = *params;
2469
2470 /*
2471 * No need to update right away, we'll get BSS_CHANGED_QOS
2472 * The exception is P2P_DEVICE interface which needs immediate update.
2473 */
2474 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2475 int ret;
2476
2477 mutex_lock(&mvm->mutex);
3dfd3a97 2478 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2479 mutex_unlock(&mvm->mutex);
2480 return ret;
2481 }
2482 return 0;
2483}
2484
2485static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2486 struct ieee80211_vif *vif)
2487{
2488 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2489 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2490 200 + vif->bss_conf.beacon_int);
2491 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2492 100 + vif->bss_conf.beacon_int);
2493
2494 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2495 return;
2496
576eeee9
EP		 2497 /*
2498 * iwl_mvm_protect_session() reads directly from the device
2499 * (the system time), so make sure it is available.
2500 */
2501 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2502 return;
2503
8ca151b5
JB		 2504 mutex_lock(&mvm->mutex);
2505 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2506 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2507 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2508
2509 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2510}
2511
35a000b7
DS		 2512static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2513 struct ieee80211_vif *vif,
2514 struct cfg80211_sched_scan_request *req,
633e2713 2515 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2516{
2517 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2518 int ret;
2519
d2496221
DS		 2520 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2521 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2522 if (ret)
2523 return ret;
2524 }
4660dfbb 2525
35a000b7
DS		 2526 mutex_lock(&mvm->mutex);
2527
59ecb128
AB		 2528 /* Newest FW fixes sched scan while connected on another interface */
2529 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
2530 if (!vif->bss_conf.idle) {
2531 ret = -EBUSY;
2532 goto out;
2533 }
2534 } else if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2535 ret = -EBUSY;
2536 goto out;
2537 }
2538
4660dfbb 2539 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2540 ret = -EBUSY;
2541 goto out;
2542 }
2543
b141c235 2544 ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies);
35a000b7 2545 if (ret)
b141c235 2546 mvm->scan_status = IWL_MVM_SCAN_NONE;
d2496221 2547
35a000b7
DS		 2548out:
2549 mutex_unlock(&mvm->mutex);
2550 return ret;
2551}
2552
37e3308c
JB		 2553static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2554 struct ieee80211_vif *vif)
35a000b7
DS		 2555{
2556 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2557 int ret;
35a000b7
DS		 2558
2559 mutex_lock(&mvm->mutex);
fb98be5e 2560 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2561 mutex_unlock(&mvm->mutex);
33ea27f6 2562 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2563
33ea27f6 2564 return ret;
d2496221 2565
35a000b7
DS		 2566}
2567
8ca151b5
JB		 2568static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2569 enum set_key_cmd cmd,
2570 struct ieee80211_vif *vif,
2571 struct ieee80211_sta *sta,
2572 struct ieee80211_key_conf *key)
2573{
2574 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2575 int ret;
2576
2577 if (iwlwifi_mod_params.sw_crypto) {
2578 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2579 return -EOPNOTSUPP;
2580 }
2581
2582 switch (key->cipher) {
2583 case WLAN_CIPHER_SUITE_TKIP:
2584 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2585 /* fall-through */
2586 case WLAN_CIPHER_SUITE_CCMP:
2587 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2588 break;
2589 case WLAN_CIPHER_SUITE_AES_CMAC:
2590 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2591 break;
2592 case WLAN_CIPHER_SUITE_WEP40:
2593 case WLAN_CIPHER_SUITE_WEP104:
ba3943b0
JB		 2594 /* For non-client mode, only use WEP keys for TX as we probably
2595 * don't have a station yet anyway and would then have to keep
2596 * track of the keys, linking them to each of the clients/peers
2597 * as they appear. For now, don't do that, for performance WEP
2598 * offload doesn't really matter much, but we need it for some
2599 * other offload features in client mode.
8ca151b5 2600 */
ba3943b0
JB		 2601 if (vif->type != NL80211_IFTYPE_STATION)
2602 return 0;
2603 break;
8ca151b5 2604 default:
e36e5433
MS		 2605 /* currently FW supports only one optional cipher scheme */
2606 if (hw->n_cipher_schemes &&
2607 hw->cipher_schemes->cipher == key->cipher)
2608 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2609 else
2610 return -EOPNOTSUPP;
8ca151b5
JB		 2611 }
2612
2613 mutex_lock(&mvm->mutex);
2614
2615 switch (cmd) {
2616 case SET_KEY:
5023d966
JB		 2617 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2618 vif->type == NL80211_IFTYPE_AP) && !sta) {
2619 /*
2620 * GTK on AP interface is a TX-only key, return 0;
2621 * on IBSS they're per-station and because we're lazy
2622 * we don't support them for RX, so do the same.
2623 */
6caffd4f
JB		 2624 ret = 0;
2625 key->hw_key_idx = STA_KEY_IDX_INVALID;
2626 break;
2627 }
2628
8ca151b5
JB		 2629 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2630 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2631 if (ret) {
2632 IWL_WARN(mvm, "set key failed\n");
2633 /*
2634 * can't add key for RX, but we don't need it
2635 * in the device for TX so still return 0
2636 */
6caffd4f 2637 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2638 ret = 0;
2639 }
2640
2641 break;
2642 case DISABLE_KEY:
6caffd4f
JB		 2643 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2644 ret = 0;
2645 break;
2646 }
2647
8ca151b5
JB		 2648 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2649 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2650 break;
2651 default:
2652 ret = -EINVAL;
2653 }
2654
2655 mutex_unlock(&mvm->mutex);
2656 return ret;
2657}
2658
2659static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2660 struct ieee80211_vif *vif,
2661 struct ieee80211_key_conf *keyconf,
2662 struct ieee80211_sta *sta,
2663 u32 iv32, u16 *phase1key)
2664{
2665 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2666
5023d966
JB		 2667 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2668 return;
2669
8ca151b5
JB		 2670 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2671}
2672
2673
b112889c
AM		 2674static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2675 struct iwl_rx_packet *pkt, void *data)
2676{
2677 struct iwl_mvm *mvm =
2678 container_of(notif_wait, struct iwl_mvm, notif_wait);
2679 struct iwl_hs20_roc_res *resp;
2680 int resp_len = iwl_rx_packet_payload_len(pkt);
2681 struct iwl_mvm_time_event_data *te_data = data;
2682
2683 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2684 return true;
2685
2686 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2687 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2688 return true;
2689 }
2690
2691 resp = (void *)pkt->data;
2692
2693 IWL_DEBUG_TE(mvm,
2694 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2695 resp->status, resp->event_unique_id);
2696
2697 te_data->uid = le32_to_cpu(resp->event_unique_id);
2698 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2699 te_data->uid);
2700
2701 spin_lock_bh(&mvm->time_event_lock);
2702 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2703 spin_unlock_bh(&mvm->time_event_lock);
2704
2705 return true;
2706}
2707
2708#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2709static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2710 struct ieee80211_channel *channel,
2711 struct ieee80211_vif *vif,
2712 int duration)
2713{
2714 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2715 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2716 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2717 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2718 struct iwl_notification_wait wait_time_event;
2719 struct iwl_hs20_roc_req aux_roc_req = {
2720 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2721 .id_and_color =
2722 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2723 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2724 /* Set the channel info data */
2725 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2726 PHY_BAND_24 : PHY_BAND_5,
2727 .channel_info.channel = channel->hw_value,
2728 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2729 /* Set the time and duration */
2730 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2731 .apply_time_max_delay =
2732 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2733 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2734 };
2735
2736 /* Set the node address */
2737 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2738
a6cc5163
MG		 2739 lockdep_assert_held(&mvm->mutex);
2740
2741 spin_lock_bh(&mvm->time_event_lock);
2742
2743 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2744 spin_unlock_bh(&mvm->time_event_lock);
2745 return -EIO;
2746 }
2747
b112889c
AM		 2748 te_data->vif = vif;
2749 te_data->duration = duration;
2750 te_data->id = HOT_SPOT_CMD;
2751
b112889c
AM		 2752 spin_unlock_bh(&mvm->time_event_lock);
2753
2754 /*
2755 * Use a notification wait, which really just processes the
2756 * command response and doesn't wait for anything, in order
2757 * to be able to process the response and get the UID inside
2758 * the RX path. Using CMD_WANT_SKB doesn't work because it
2759 * stores the buffer and then wakes up this thread, by which
2760 * time another notification (that the time event started)
2761 * might already be processed unsuccessfully.
2762 */
2763 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2764 time_event_response,
2765 ARRAY_SIZE(time_event_response),
2766 iwl_mvm_rx_aux_roc, te_data);
2767
2768 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2769 &aux_roc_req);
2770
2771 if (res) {
2772 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2773 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2774 goto out_clear_te;
2775 }
2776
2777 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2778 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2779 /* should never fail */
2780 WARN_ON_ONCE(res);
2781
2782 if (res) {
2783 out_clear_te:
2784 spin_lock_bh(&mvm->time_event_lock);
2785 iwl_mvm_te_clear_data(mvm, te_data);
2786 spin_unlock_bh(&mvm->time_event_lock);
2787 }
2788
2789 return res;
2790}
2791
8ca151b5
JB		 2792static int iwl_mvm_roc(struct ieee80211_hw *hw,
2793 struct ieee80211_vif *vif,
2794 struct ieee80211_channel *channel,
d339d5ca
IP		 2795 int duration,
2796 enum ieee80211_roc_type type)
8ca151b5
JB		 2797{
2798 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2799 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2800 struct cfg80211_chan_def chandef;
31d385ae
IP		 2801 struct iwl_mvm_phy_ctxt *phy_ctxt;
2802 int ret, i;
2803
2804 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2805 duration, type);
8ca151b5 2806
a6cc5163
MG		 2807 mutex_lock(&mvm->mutex);
2808
b112889c
AM		 2809 switch (vif->type) {
2810 case NL80211_IFTYPE_STATION:
5ac6c72e
LC		 2811 if (mvm->fw->ucode_capa.capa[0] &
2812 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) {
2813 /* Use aux roc framework (HS20) */
2814 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2815 vif, duration);
2816 goto out_unlock;
2817 }
2818 IWL_ERR(mvm, "hotspot not supported\n");
2819 ret = -EINVAL;
a6cc5163 2820 goto out_unlock;
b112889c
AM		 2821 case NL80211_IFTYPE_P2P_DEVICE:
2822 /* handle below */
2823 break;
2824 default:
2825 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
a6cc5163
MG		 2826 ret = -EINVAL;
2827 goto out_unlock;
8ca151b5
JB		 2828 }
2829
31d385ae
IP		 2830 for (i = 0; i < NUM_PHY_CTX; i++) {
2831 phy_ctxt = &mvm->phy_ctxts[i];
2832 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2833 continue;
2834
2835 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2836 /*
2837 * Unbind the P2P_DEVICE from the current PHY context,
2838 * and if the PHY context is not used remove it.
2839 */
2840 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2841 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2842 goto out_unlock;
2843
2844 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2845
2846 /* Bind the P2P_DEVICE to the current PHY Context */
2847 mvmvif->phy_ctxt = phy_ctxt;
2848
2849 ret = iwl_mvm_binding_add_vif(mvm, vif);
2850 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2851 goto out_unlock;
2852
2853 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2854 goto schedule_time_event;
2855 }
2856 }
2857
2858 /* Need to update the PHY context only if the ROC channel changed */
2859 if (channel == mvmvif->phy_ctxt->channel)
2860 goto schedule_time_event;
2861
8ca151b5 2862 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2863
31d385ae
IP		 2864 /*
2865 * Change the PHY context configuration as it is currently referenced
2866 * only by the P2P Device MAC
2867 */
2868 if (mvmvif->phy_ctxt->ref == 1) {
2869 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2870 &chandef, 1, 1);
2871 if (ret)
2872 goto out_unlock;
2873 } else {
2874 /*
2875 * The PHY context is shared with other MACs. Need to remove the
2876 * P2P Device from the binding, allocate an new PHY context and
2877 * create a new binding
2878 */
2879 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2880 if (!phy_ctxt) {
2881 ret = -ENOSPC;
2882 goto out_unlock;
2883 }
2884
2885 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2886 1, 1);
2887 if (ret) {
2888 IWL_ERR(mvm, "Failed to change PHY context\n");
2889 goto out_unlock;
2890 }
2891
2892 /* Unbind the P2P_DEVICE from the current PHY context */
2893 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2894 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2895 goto out_unlock;
2896
2897 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2898
2899 /* Bind the P2P_DEVICE to the new allocated PHY context */
2900 mvmvif->phy_ctxt = phy_ctxt;
2901
2902 ret = iwl_mvm_binding_add_vif(mvm, vif);
2903 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2904 goto out_unlock;
2905
2906 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2907 }
2908
2909schedule_time_event:
8ca151b5 2910 /* Schedule the time events */
e635c797 2911 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2912
31d385ae 2913out_unlock:
8ca151b5
JB		 2914 mutex_unlock(&mvm->mutex);
2915 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2916 return ret;
2917}
2918
2919static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2920{
2921 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2922
2923 IWL_DEBUG_MAC80211(mvm, "enter\n");
2924
2925 mutex_lock(&mvm->mutex);
bf5da87f 2926 iwl_mvm_stop_roc(mvm);
8ca151b5
JB		 2927 mutex_unlock(&mvm->mutex);
2928
2929 IWL_DEBUG_MAC80211(mvm, "leave\n");
2930 return 0;
2931}
2932
b08c1d97
LC		 2933static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2934 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2935{
fe0f2de3
IP		 2936 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2937 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2938 int ret;
2939
b08c1d97
LC		 2940 lockdep_assert_held(&mvm->mutex);
2941
53a9d61e 2942 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2943
fe0f2de3
IP		 2944 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2945 if (!phy_ctxt) {
2946 ret = -ENOSPC;
2947 goto out;
2948 }
8ca151b5 2949
dcbc3e1a 2950 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2951 ctx->rx_chains_static,
2952 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2953 if (ret) {
2954 IWL_ERR(mvm, "Failed to add PHY context\n");
2955 goto out;
2956 }
2957
53a9d61e 2958 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2959 *phy_ctxt_id = phy_ctxt->id;
2960out:
b08c1d97
LC		 2961 return ret;
2962}
2963
2964static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2965 struct ieee80211_chanctx_conf *ctx)
2966{
2967 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2968 int ret;
2969
2970 mutex_lock(&mvm->mutex);
2971 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2972 mutex_unlock(&mvm->mutex);
b08c1d97 2973
8ca151b5
JB		 2974 return ret;
2975}
2976
b08c1d97
LC		 2977static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2978 struct ieee80211_chanctx_conf *ctx)
2979{
2980 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2981 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2982
2983 lockdep_assert_held(&mvm->mutex);
2984
2985 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2986}
2987
8ca151b5
JB		 2988static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2989 struct ieee80211_chanctx_conf *ctx)
2990{
2991 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2992
2993 mutex_lock(&mvm->mutex);
b08c1d97 2994 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2995 mutex_unlock(&mvm->mutex);
2996}
2997
2998static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2999 struct ieee80211_chanctx_conf *ctx,
3000 u32 changed)
3001{
3002 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 3003 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3004 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 3005
31d385ae
IP		 3006 if (WARN_ONCE((phy_ctxt->ref > 1) &&
3007 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
3008 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 3009 IEEE80211_CHANCTX_CHANGE_RADAR |
3010 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 3011 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3012 phy_ctxt->ref, changed))
3013 return;
3014
8ca151b5 3015 mutex_lock(&mvm->mutex);
4d66449a 3016 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 3017 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 3018 ctx->rx_chains_static,
3019 ctx->rx_chains_dynamic);
3020 mutex_unlock(&mvm->mutex);
3021}
3022
b08c1d97
LC		 3023static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
3024 struct ieee80211_vif *vif,
f0c97783
LC		 3025 struct ieee80211_chanctx_conf *ctx,
3026 bool switching_chanctx)
8ca151b5 3027{
fe0f2de3
IP		 3028 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3029 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 3030 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3031 int ret;
3032
b08c1d97 3033 lockdep_assert_held(&mvm->mutex);
8ca151b5 3034
fe0f2de3 3035 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 3036
3037 switch (vif->type) {
3038 case NL80211_IFTYPE_AP:
4741dd04
LC		 3039 /* only needed if we're switching chanctx (i.e. during CSA) */
3040 if (switching_chanctx) {
bd3398e2
AO		 3041 mvmvif->ap_ibss_active = true;
3042 break;
3043 }
5023d966 3044 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 3045 /*
3046 * The AP binding flow is handled as part of the start_ap flow
5023d966 3047 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 3048 */
3049 ret = 0;
b08c1d97 3050 goto out;
8ca151b5 3051 case NL80211_IFTYPE_STATION:
2533edce 3052 break;
8ca151b5 3053 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 3054 /* always disable PS when a monitor interface is active */
3055 mvmvif->ps_disabled = true;
8ca151b5
JB		 3056 break;
3057 default:
3058 ret = -EINVAL;
b08c1d97 3059 goto out;
8ca151b5
JB		 3060 }
3061
3062 ret = iwl_mvm_binding_add_vif(mvm, vif);
3063 if (ret)
b08c1d97 3064 goto out;
8ca151b5
JB		 3065
3066 /*
92d85562
AB		 3067 * Power state must be updated before quotas,
3068 * otherwise fw will complain.
3069 */
999609f1 3070 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 3071
3072 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 3073 * interfaces. For the other types, the bss_info changed flow
3074 * will handle quota settings.
3075 */
3076 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 3077 mvmvif->monitor_active = true;
0166230c 3078 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 3079 if (ret)
3080 goto out_remove_binding;
3081 }
3082
bd3398e2 3083 /* Handle binding during CSA */
a57c688d 3084 if (vif->type == NL80211_IFTYPE_AP) {
0166230c 3085 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 3086 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 3087 }
3088
4741dd04 3089 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
686e7fe1
LC		 3090 u32 duration = 2 * vif->bss_conf.beacon_int;
3091
3092 /* iwl_mvm_protect_session() reads directly from the
3093 * device (the system time), so make sure it is
3094 * available.
3095 */
3096 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
3097 if (ret)
3098 goto out_remove_binding;
3099
3100 /* Protect the session to make sure we hear the first
3101 * beacon on the new channel.
3102 */
3103 iwl_mvm_protect_session(mvm, vif, duration, duration,
3104 vif->bss_conf.beacon_int / 2,
3105 true);
3106
3107 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
3108
a57c688d 3109 iwl_mvm_update_quotas(mvm, NULL);
0ce04ce7
LC		 3110 }
3111
b08c1d97 3112 goto out;
8ca151b5 3113
b08c1d97 3114out_remove_binding:
8ca151b5 3115 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 3116 iwl_mvm_power_update_mac(mvm);
b08c1d97 3117out:
8ca151b5
JB		 3118 if (ret)
3119 mvmvif->phy_ctxt = NULL;
3120 return ret;
3121}
b08c1d97
LC		 3122static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
3123 struct ieee80211_vif *vif,
3124 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 3125{
3126 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 3127 int ret;
8ca151b5
JB		 3128
3129 mutex_lock(&mvm->mutex);
f0c97783 3130 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 3131 mutex_unlock(&mvm->mutex);
3132
3133 return ret;
3134}
3135
3136static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
3137 struct ieee80211_vif *vif,
f0c97783
LC		 3138 struct ieee80211_chanctx_conf *ctx,
3139 bool switching_chanctx)
b08c1d97
LC		 3140{
3141 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 3142 struct ieee80211_vif *disabled_vif = NULL;
b08c1d97
LC		 3143
3144 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 3145
3146 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
3147
8ca151b5 3148 switch (vif->type) {
5023d966 3149 case NL80211_IFTYPE_ADHOC:
b08c1d97 3150 goto out;
8ca151b5 3151 case NL80211_IFTYPE_MONITOR:
1e1391ca 3152 mvmvif->monitor_active = false;
2533edce 3153 mvmvif->ps_disabled = false;
8ca151b5 3154 break;
bd3398e2
AO		 3155 case NL80211_IFTYPE_AP:
3156 /* This part is triggered only during CSA */
4741dd04 3157 if (!switching_chanctx || !mvmvif->ap_ibss_active)
b08c1d97 3158 goto out;
bd3398e2 3159
7ef0aab6
AO		 3160 mvmvif->csa_countdown = false;
3161
003e5236
AO		 3162 /* Set CS bit on all the stations */
3163 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
3164
3165 /* Save blocked iface, the timeout is set on the next beacon */
3166 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
3167
bd3398e2 3168 mvmvif->ap_ibss_active = false;
f0c97783
LC		 3169 break;
3170 case NL80211_IFTYPE_STATION:
3171 if (!switching_chanctx)
3172 break;
3173
3174 disabled_vif = vif;
3175
3dfd3a97 3176 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 3177 break;
8ca151b5
JB		 3178 default:
3179 break;
3180 }
3181
f0c97783 3182 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 3183 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 3184
b08c1d97 3185out:
a11e144e 3186 mvmvif->phy_ctxt = NULL;
999609f1 3187 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 3188}
3189
3190static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
3191 struct ieee80211_vif *vif,
3192 struct ieee80211_chanctx_conf *ctx)
3193{
3194 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3195
3196 mutex_lock(&mvm->mutex);
f0c97783 3197 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 3198 mutex_unlock(&mvm->mutex);
3199}
3200
50cc9574
LC		 3201static int
3202iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
3203 struct ieee80211_vif_chanctx_switch *vifs)
b08c1d97 3204{
b08c1d97
LC		 3205 int ret;
3206
b08c1d97 3207 mutex_lock(&mvm->mutex);
f0c97783 3208 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 3209 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
3210
3211 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
3212 if (ret) {
3213 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
3214 goto out_reassign;
3215 }
3216
f0c97783
LC		 3217 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3218 true);
b08c1d97
LC		 3219 if (ret) {
3220 IWL_ERR(mvm,
3221 "failed to assign new_ctx during channel switch\n");
3222 goto out_remove;
3223 }
3224
f697267f
AN		 3225 /* we don't support TDLS during DCM - can be caused by channel switch */
3226 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3227 iwl_mvm_teardown_tdls_peers(mvm);
3228
b08c1d97
LC		 3229 goto out;
3230
3231out_remove:
3232 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3233
3234out_reassign:
6fd1fb63 3235 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
b08c1d97
LC		 3236 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3237 goto out_restart;
3238 }
3239
6fd1fb63
LC		 3240 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3241 true)) {
b08c1d97
LC		 3242 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3243 goto out_restart;
3244 }
3245
3246 goto out;
3247
3248out_restart:
3249 /* things keep failing, better restart the hw */
3250 iwl_mvm_nic_restart(mvm, false);
3251
3252out:
3253 mutex_unlock(&mvm->mutex);
50cc9574
LC		 3254
3255 return ret;
3256}
3257
48a256e8
LC		 3258static int
3259iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3260 struct ieee80211_vif_chanctx_switch *vifs)
3261{
3262 int ret;
3263
3264 mutex_lock(&mvm->mutex);
3265 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3266
3267 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3268 true);
3269 if (ret) {
3270 IWL_ERR(mvm,
3271 "failed to assign new_ctx during channel switch\n");
3272 goto out_reassign;
3273 }
3274
3275 goto out;
3276
3277out_reassign:
3278 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3279 true)) {
3280 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3281 goto out_restart;
3282 }
3283
3284 goto out;
3285
3286out_restart:
3287 /* things keep failing, better restart the hw */
3288 iwl_mvm_nic_restart(mvm, false);
3289
3290out:
3291 mutex_unlock(&mvm->mutex);
3292
3293 return ret;
3294}
3295
50cc9574
LC		 3296static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3297 struct ieee80211_vif_chanctx_switch *vifs,
3298 int n_vifs,
3299 enum ieee80211_chanctx_switch_mode mode)
3300{
3301 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3302 int ret;
3303
3304 /* we only support a single-vif right now */
3305 if (n_vifs > 1)
3306 return -EOPNOTSUPP;
3307
3308 switch (mode) {
3309 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3310 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3311 break;
3312 case CHANCTX_SWMODE_REASSIGN_VIF:
48a256e8 3313 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
50cc9574
LC		 3314 break;
3315 default:
3316 ret = -EOPNOTSUPP;
3317 break;
3318 }
3319
b08c1d97
LC		 3320 return ret;
3321}
3322
8ca151b5
JB		 3323static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3324 struct ieee80211_sta *sta,
3325 bool set)
3326{
3327 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 3328 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
8ca151b5
JB		 3329
3330 if (!mvm_sta || !mvm_sta->vif) {
3331 IWL_ERR(mvm, "Station is not associated to a vif\n");
3332 return -EINVAL;
3333 }
3334
3335 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3336}
3337
507cadf2
DS		 3338#ifdef CONFIG_NL80211_TESTMODE
3339static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3340 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3341 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 3342 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 3343};
3344
3345static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3346 struct ieee80211_vif *vif,
3347 void *data, int len)
3348{
3349 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3350 int err;
3351 u32 noa_duration;
3352
3353 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3354 if (err)
3355 return err;
3356
3357 if (!tb[IWL_MVM_TM_ATTR_CMD])
3358 return -EINVAL;
3359
3360 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3361 case IWL_MVM_TM_CMD_SET_NOA:
3362 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3363 !vif->bss_conf.enable_beacon ||
3364 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3365 return -EINVAL;
3366
3367 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3368 if (noa_duration >= vif->bss_conf.beacon_int)
3369 return -EINVAL;
3370
3371 mvm->noa_duration = noa_duration;
3372 mvm->noa_vif = vif;
3373
0166230c 3374 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 3375 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3376 /* must be associated client vif - ignore authorized */
3377 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3378 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3379 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3380 return -EINVAL;
3381
3382 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 3383 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3384 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3385 }
3386
3387 return -EOPNOTSUPP;
3388}
3389
3390static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3391 struct ieee80211_vif *vif,
3392 void *data, int len)
3393{
3394 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3395 int err;
3396
3397 mutex_lock(&mvm->mutex);
3398 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3399 mutex_unlock(&mvm->mutex);
3400
3401 return err;
3402}
3403#endif
3404
622e3f9b
LC		 3405static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3406 struct ieee80211_vif *vif,
3407 struct ieee80211_channel_switch *chsw)
3408{
3409 /* By implementing this operation, we prevent mac80211 from
3410 * starting its own channel switch timer, so that we can call
3411 * ieee80211_chswitch_done() ourselves at the right time
3412 * (which is when the absence time event starts).
3413 */
3414
3415 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3416 "dummy channel switch op\n");
3417}
3418
f028905c
LC		 3419static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3420 struct ieee80211_vif *vif,
3421 struct ieee80211_channel_switch *chsw)
bd3398e2
AO		 3422{
3423 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3424 struct ieee80211_vif *csa_vif;
f6c34820 3425 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
dc88b4ba 3426 u32 apply_time;
f028905c 3427 int ret;
bd3398e2
AO		 3428
3429 mutex_lock(&mvm->mutex);
664322fa 3430
6b20d774 3431 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
f028905c 3432 chsw->chandef.center_freq1);
6b20d774
LC		 3433
3434 switch (vif->type) {
3435 case NL80211_IFTYPE_AP:
3436 csa_vif =
3437 rcu_dereference_protected(mvm->csa_vif,
3438 lockdep_is_held(&mvm->mutex));
3439 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3440 "Another CSA is already in progress")) {
3441 ret = -EBUSY;
3442 goto out_unlock;
3443 }
3444
3445 rcu_assign_pointer(mvm->csa_vif, vif);
7ef0aab6 3446
7ef0aab6
AO		 3447 if (WARN_ONCE(mvmvif->csa_countdown,
3448 "Previous CSA countdown didn't complete")) {
3449 ret = -EBUSY;
3450 goto out_unlock;
3451 }
3452
6b20d774 3453 break;
dc88b4ba 3454 case NL80211_IFTYPE_STATION:
4500e133
LC		 3455 /* Schedule the time event to a bit before beacon 1,
3456 * to make sure we're in the new channel when the
3457 * GO/AP arrives.
3458 */
3459 apply_time = chsw->device_timestamp +
3460 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3461 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
dc88b4ba
LC		 3462
3463 if (chsw->block_tx)
3464 iwl_mvm_csa_client_absent(mvm, vif);
3465
4500e133 3466 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
dc88b4ba 3467 apply_time);
c6e0a3e0
LC		 3468 if (mvmvif->bf_data.bf_enabled) {
3469 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3470 if (ret)
3471 goto out_unlock;
3472 }
3473
dc88b4ba 3474 break;
6b20d774
LC		 3475 default:
3476 break;
3477 }
bd3398e2 3478
f6c34820
LC		 3479 mvmvif->ps_disabled = true;
3480
3481 ret = iwl_mvm_power_update_ps(mvm);
3482 if (ret)
3483 goto out_unlock;
f028905c 3484
e198f5e7
AN		 3485 /* we won't be on this channel any longer */
3486 iwl_mvm_teardown_tdls_peers(mvm);
3487
bd3398e2
AO		 3488out_unlock:
3489 mutex_unlock(&mvm->mutex);
f028905c
LC		 3490
3491 return ret;
bd3398e2
AO		 3492}
3493
f6c34820
LC		 3494static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3495 struct ieee80211_vif *vif)
3496{
3497 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3498 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3499 int ret;
3500
3501 mutex_lock(&mvm->mutex);
3502
a57c688d
LC		 3503 if (vif->type == NL80211_IFTYPE_STATION) {
3504 struct iwl_mvm_sta *mvmsta;
3505
3506 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3507 mvmvif->ap_sta_id);
3508
3509 if (WARN_ON(!mvmsta)) {
3510 ret = -EIO;
3511 goto out_unlock;
3512 }
3513
3514 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3515
3516 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
c6e0a3e0
LC		 3517
3518 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3519 if (ret)
3520 goto out_unlock;
686e7fe1
LC		 3521
3522 iwl_mvm_stop_session_protection(mvm, vif);
a57c688d
LC		 3523 }
3524
f6c34820
LC		 3525 mvmvif->ps_disabled = false;
3526
3527 ret = iwl_mvm_power_update_ps(mvm);
3528
a57c688d 3529out_unlock:
f6c34820
LC		 3530 mutex_unlock(&mvm->mutex);
3531
3532 return ret;
3533}
3534
c5b0e7c0
EG		 3535static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3536 struct ieee80211_vif *vif, u32 queues, bool drop)
3537{
3538 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3539 struct iwl_mvm_vif *mvmvif;
3540 struct iwl_mvm_sta *mvmsta;
a0f6bf2a
AN		 3541 struct ieee80211_sta *sta;
3542 int i;
3543 u32 msk = 0;
c5b0e7c0
EG		 3544
3545 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3546 return;
3547
3548 mutex_lock(&mvm->mutex);
3549 mvmvif = iwl_mvm_vif_from_mac80211(vif);
c5b0e7c0 3550
a0f6bf2a
AN		 3551 /* flush the AP-station and all TDLS peers */
3552 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3553 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3554 lockdep_is_held(&mvm->mutex));
3555 if (IS_ERR_OR_NULL(sta))
3556 continue;
3557
3558 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3559 if (mvmsta->vif != vif)
3560 continue;
3561
3562 /* make sure only TDLS peers or the AP are flushed */
3563 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3564
3565 msk |= mvmsta->tfd_queue_msk;
480acbce 3566 }
c5b0e7c0 3567
4e6c48e0 3568 msk &= ~BIT(vif->hw_queue[IEEE80211_AC_VO]);
480acbce 3569
4e6c48e0
EG		 3570 if (iwl_mvm_flush_tx_path(mvm, msk, true))
3571 IWL_ERR(mvm, "flush request fail\n");
3572 mutex_unlock(&mvm->mutex);
3573
3574 /* this can take a while, and we may need/want other operations
3575 * to succeed while doing this, so do it without the mutex held
3576 */
3577 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
c5b0e7c0
EG		 3578}
3579
e5209263 3580const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3581 .tx = iwl_mvm_mac_tx,
3582 .ampdu_action = iwl_mvm_mac_ampdu_action,
3583 .start = iwl_mvm_mac_start,
cf2c92d8 3584 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
8ca151b5
JB		 3585 .stop = iwl_mvm_mac_stop,
3586 .add_interface = iwl_mvm_mac_add_interface,
3587 .remove_interface = iwl_mvm_mac_remove_interface,
3588 .config = iwl_mvm_mac_config,
e59647ea 3589 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3590 .configure_filter = iwl_mvm_configure_filter,
3591 .bss_info_changed = iwl_mvm_bss_info_changed,
3592 .hw_scan = iwl_mvm_mac_hw_scan,
3593 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3594 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3595 .sta_state = iwl_mvm_mac_sta_state,
3596 .sta_notify = iwl_mvm_mac_sta_notify,
3597 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3598 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3599 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3600 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3601 .conf_tx = iwl_mvm_mac_conf_tx,
3602 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3603 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3604 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3605 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3606 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3607 .set_key = iwl_mvm_mac_set_key,
3608 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3609 .remain_on_channel = iwl_mvm_roc,
3610 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3611 .add_chanctx = iwl_mvm_add_chanctx,
3612 .remove_chanctx = iwl_mvm_remove_chanctx,
3613 .change_chanctx = iwl_mvm_change_chanctx,
3614 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3615 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3616 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3617
5023d966
JB		 3618 .start_ap = iwl_mvm_start_ap_ibss,
3619 .stop_ap = iwl_mvm_stop_ap_ibss,
3620 .join_ibss = iwl_mvm_start_ap_ibss,
3621 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3622
3623 .set_tim = iwl_mvm_set_tim,
3624
622e3f9b 3625 .channel_switch = iwl_mvm_channel_switch,
f028905c 3626 .pre_channel_switch = iwl_mvm_pre_channel_switch,
f6c34820 3627 .post_channel_switch = iwl_mvm_post_channel_switch,
bd3398e2 3628
1d3c3f63
AN		 3629 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
3630 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
3631 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
3632
507cadf2
DS		 3633 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3634
8ca151b5
JB		 3635#ifdef CONFIG_PM_SLEEP
3636 /* look at d3.c */
3637 .suspend = iwl_mvm_suspend,
3638 .resume = iwl_mvm_resume,
3639 .set_wakeup = iwl_mvm_set_wakeup,
3640 .set_rekey_data = iwl_mvm_set_rekey_data,
3641#if IS_ENABLED(CONFIG_IPV6)
3642 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3643#endif
3644 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3645#endif
3646};
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