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iwlwifi: mvm: BT coex - fix BT prio for probe requests
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
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8ca151b5
JB		 1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
410dc5aa 26 * in the file called COPYING.
8ca151b5
JB		 27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
51368bf7 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65#include <linux/kernel.h>
66#include <linux/slab.h>
67#include <linux/skbuff.h>
68#include <linux/netdevice.h>
69#include <linux/etherdevice.h>
f0c2646a 70#include <linux/ip.h>
2ee8f021 71#include <linux/if_arp.h>
8ca151b5 72#include <net/mac80211.h>
7b1dd048 73#include <net/ieee80211_radiotap.h>
f0c2646a 74#include <net/tcp.h>
8ca151b5
JB		 75
76#include "iwl-op-mode.h"
77#include "iwl-io.h"
78#include "mvm.h"
79#include "sta.h"
80#include "time-event.h"
81#include "iwl-eeprom-parse.h"
82#include "fw-api-scan.h"
83#include "iwl-phy-db.h"
507cadf2 84#include "testmode.h"
655e6d6d
EG		 85#include "iwl-fw-error-dump.h"
86#include "iwl-prph.h"
8ca151b5
JB		 87
88static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
89 {
90 .max = 1,
8eb38710 91 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 92 },
3c15a0fb
JB		 93 {
94 .max = 1,
8eb38710
IP		 95 .types = BIT(NL80211_IFTYPE_AP) |
96 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 97 BIT(NL80211_IFTYPE_P2P_GO),
98 },
99 {
100 .max = 1,
101 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
102 },
8ca151b5
JB		 103};
104
105static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
106 {
107 .num_different_channels = 1,
108 .max_interfaces = 3,
109 .limits = iwl_mvm_limits,
110 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
111 },
112};
113
f0c2646a
JB		 114#ifdef CONFIG_PM_SLEEP
115static const struct nl80211_wowlan_tcp_data_token_feature
116iwl_mvm_wowlan_tcp_token_feature = {
117 .min_len = 0,
118 .max_len = 255,
119 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
120};
121
122static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
123 .tok = &iwl_mvm_wowlan_tcp_token_feature,
124 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
125 sizeof(struct ethhdr) -
126 sizeof(struct iphdr) -
127 sizeof(struct tcphdr),
128 .data_interval_max = 65535, /* __le16 in API */
129 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
130 sizeof(struct ethhdr) -
131 sizeof(struct iphdr) -
132 sizeof(struct tcphdr),
133 .seq = true,
134};
135#endif
136
77736923 137#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 138/*
139 * Use the reserved field to indicate magic values.
140 * these values will only be used internally by the driver,
141 * and won't make it to the fw (reserved will be 0).
142 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
143 * be the vif's ip address. in case there is not a single
144 * ip address (0, or more than 1), this attribute will
145 * be skipped.
146 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
147 * the LSB bytes of the vif's mac address
148 */
149enum {
150 BC_FILTER_MAGIC_NONE = 0,
151 BC_FILTER_MAGIC_IP,
152 BC_FILTER_MAGIC_MAC,
153};
154
77736923
EP		 155static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
156 {
157 /* arp */
158 .discard = 0,
159 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
160 .attrs = {
161 {
162 /* frame type - arp, hw type - ethernet */
163 .offset_type =
164 BCAST_FILTER_OFFSET_PAYLOAD_START,
165 .offset = sizeof(rfc1042_header),
166 .val = cpu_to_be32(0x08060001),
167 .mask = cpu_to_be32(0xffffffff),
168 },
2ee8f021
EP		 169 {
170 /* arp dest ip */
171 .offset_type =
172 BCAST_FILTER_OFFSET_PAYLOAD_START,
173 .offset = sizeof(rfc1042_header) + 2 +
174 sizeof(struct arphdr) +
175 ETH_ALEN + sizeof(__be32) +
176 ETH_ALEN,
177 .mask = cpu_to_be32(0xffffffff),
178 /* mark it as special field */
179 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
180 },
181 },
182 },
183 {
184 /* dhcp offer bcast */
185 .discard = 0,
186 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
187 .attrs = {
188 {
189 /* udp dest port - 68 (bootp client)*/
190 .offset_type = BCAST_FILTER_OFFSET_IP_END,
191 .offset = offsetof(struct udphdr, dest),
192 .val = cpu_to_be32(0x00440000),
193 .mask = cpu_to_be32(0xffff0000),
194 },
195 {
196 /* dhcp - lsb bytes of client hw address */
197 .offset_type = BCAST_FILTER_OFFSET_IP_END,
198 .offset = 38,
199 .mask = cpu_to_be32(0xffffffff),
200 /* mark it as special field */
201 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
202 },
77736923
EP		 203 },
204 },
205 /* last filter must be empty */
206 {},
207};
208#endif
209
7498cf4c
EP		 210void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
211{
7bb426ea 212 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 213 return;
214
215 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 216 spin_lock_bh(&mvm->refs_lock);
217 mvm->refs[ref_type]++;
218 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 219 iwl_trans_ref(mvm->trans);
220}
221
222void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
223{
7bb426ea 224 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 225 return;
226
227 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 228 spin_lock_bh(&mvm->refs_lock);
229 WARN_ON(!mvm->refs[ref_type]--);
230 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 231 iwl_trans_unref(mvm->trans);
232}
233
576eeee9
EP		 234static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
235 enum iwl_mvm_ref_type except_ref)
7498cf4c 236{
576eeee9 237 int i, j;
7498cf4c 238
7bb426ea 239 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 240 return;
241
576eeee9
EP		 242 spin_lock_bh(&mvm->refs_lock);
243 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
244 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 245 continue;
246
576eeee9
EP		 247 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
248 i, mvm->refs[i]);
249 for (j = 0; j < mvm->refs[i]; j++)
250 iwl_trans_unref(mvm->trans);
251 mvm->refs[i] = 0;
7498cf4c 252 }
576eeee9 253 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 254}
255
576eeee9 256int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 257{
258 iwl_mvm_ref(mvm, ref_type);
259
260 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
261 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
262 HZ)) {
263 WARN_ON_ONCE(1);
264 iwl_mvm_unref(mvm, ref_type);
265 return -EIO;
266 }
267
268 return 0;
269}
270
fe0f2de3
IP		 271static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
272{
273 int i;
274
275 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
276 for (i = 0; i < NUM_PHY_CTX; i++) {
277 mvm->phy_ctxts[i].id = i;
278 mvm->phy_ctxts[i].ref = 0;
279 }
280}
281
8ca151b5
JB		 282int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
283{
284 struct ieee80211_hw *hw = mvm->hw;
831e85f3 285 int num_mac, ret, i;
8ca151b5
JB		 286
287 /* Tell mac80211 our characteristics */
288 hw->flags = IEEE80211_HW_SIGNAL_DBM |
289 IEEE80211_HW_SPECTRUM_MGMT |
290 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
291 IEEE80211_HW_QUEUE_CONTROL |
292 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 293 IEEE80211_HW_SUPPORTS_PS |
294 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 295 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 296 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be 297 IEEE80211_HW_CONNECTION_MONITOR |
b71d9c8a
IY		 298 IEEE80211_HW_CHANCTX_STA_CSA |
299 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
8ca151b5 300
19e737c9 301 hw->queues = mvm->first_agg_queue;
398e8c6c 302 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 303 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
304 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
305 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
8ca151b5
JB		 306 hw->rate_control_algorithm = "iwl-mvm-rs";
307
308 /*
309 * Enable 11w if advertised by firmware and software crypto
310 * is not enabled (as the firmware will interpret some mgmt
311 * packets, so enabling it with software crypto isn't safe)
312 */
313 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
314 !iwlwifi_mod_params.sw_crypto)
315 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
316
1504f48d
MC		 317 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
318 IWL_UCODE_API(mvm->fw->ucode_ver) >= 9 &&
319 !iwlwifi_mod_params.uapsd_disable) {
320 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
4cb832d5 321 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
1504f48d
MC		 322 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
323 }
e8e626ad 324
fb98be5e
DS		 325 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
326 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
327
8ca151b5
JB		 328 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
329 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 330 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 331
332 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 333 BIT(NL80211_IFTYPE_P2P_CLIENT) |
334 BIT(NL80211_IFTYPE_AP) |
335 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 336 BIT(NL80211_IFTYPE_P2P_DEVICE) |
337 BIT(NL80211_IFTYPE_ADHOC);
5023d966 338
a2f73b6c
LR		 339 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
340 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
341 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 342
3e56eadf
JB		 343 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
344 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
345
bd3398e2
AO		 346 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_CSA_FLOW)
347 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
348
8ca151b5
JB		 349 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
350 hw->wiphy->n_iface_combinations =
351 ARRAY_SIZE(iwl_mvm_iface_combinations);
352
c451e6d4 353 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 354 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
355
356 /* Extract MAC address */
357 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
358 hw->wiphy->addresses = mvm->addresses;
359 hw->wiphy->n_addresses = 1;
831e85f3
IP		 360
361 /* Extract additional MAC addresses if available */
362 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
363 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
364
365 for (i = 1; i < num_mac; i++) {
366 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 367 ETH_ALEN);
831e85f3 368 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 369 hw->wiphy->n_addresses++;
370 }
371
fe0f2de3
IP		 372 iwl_mvm_reset_phy_ctxts(mvm);
373
48849a41 374 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
20f1a5de 375
8ca151b5
JB		 376 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
377
378 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
379 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
380 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
381 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
382 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
383 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
384
385 hw->wiphy->hw_version = mvm->trans->hw_id;
386
ade50652 387 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 388 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
389 else
390 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
391
6efaaf33
EG		 392 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
393 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
394 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
395 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
396 /* we create the 802.11 header and zero length SSID IE. */
397 hw->wiphy->max_sched_scan_ie_len =
398 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
399 }
35a000b7 400
8ca151b5 401 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 402 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 403 NL80211_FEATURE_P2P_GO_OPPPS |
404 NL80211_FEATURE_DYNAMIC_SMPS |
405 NL80211_FEATURE_STATIC_SMPS;
8ca151b5 406
f1daa00e
AO		 407 if (mvm->fw->ucode_capa.capa[0] &
408 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
409 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
226bcd48
AK		 410 if (mvm->fw->ucode_capa.capa[0] &
411 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
412 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 413
73897bd1
AO		 414 if (mvm->fw->ucode_capa.capa[0] &
415 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
416 hw->wiphy->features |=
417 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
418
419 if (mvm->fw->ucode_capa.capa[0] &
420 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
421 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
422
8ca151b5
JB		 423 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
424
e36e5433 425 /* currently FW API supports only one optional cipher scheme */
9ddca860 426 if (mvm->fw->cs[0].cipher) {
e36e5433 427 mvm->hw->n_cipher_schemes = 1;
9ddca860 428 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 429 }
430
8ca151b5 431#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 432 if (iwl_mvm_is_d0i3_supported(mvm) &&
433 device_can_wakeup(mvm->trans->dev)) {
434 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
435 hw->wiphy->wowlan = &mvm->wowlan;
436 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 437 mvm->trans->ops->d3_suspend &&
438 mvm->trans->ops->d3_resume &&
439 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 440 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
441 WIPHY_WOWLAN_DISCONNECT |
442 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
443 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 444 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 445 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
446 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
447 WIPHY_WOWLAN_4WAY_HANDSHAKE;
448
449 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
450 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
451 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
452 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
453 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 454 }
455#endif
456
77736923
EP		 457#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
458 /* assign default bcast filtering configuration */
459 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
460#endif
461
8ca151b5
JB		 462 ret = iwl_mvm_leds_init(mvm);
463 if (ret)
464 return ret;
465
b7327d89
EG		 466 ret = ieee80211_register_hw(mvm->hw);
467 if (ret)
468 iwl_mvm_leds_exit(mvm);
469
470 return ret;
8ca151b5
JB		 471}
472
b2492501
AN		 473static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
474 struct ieee80211_sta *sta,
475 struct sk_buff *skb)
476{
477 struct iwl_mvm_sta *mvmsta;
478 bool defer = false;
479
480 /*
481 * double check the IN_D0I3 flag both before and after
482 * taking the spinlock, in order to prevent taking
483 * the spinlock when not needed.
484 */
485 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
486 return false;
487
488 spin_lock(&mvm->d0i3_tx_lock);
489 /*
490 * testing the flag again ensures the skb dequeue
491 * loop (on d0i3 exit) hasn't run yet.
492 */
493 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
494 goto out;
495
496 mvmsta = iwl_mvm_sta_from_mac80211(sta);
497 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
498 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
499 goto out;
500
501 __skb_queue_tail(&mvm->d0i3_tx, skb);
502 ieee80211_stop_queues(mvm->hw);
503
504 /* trigger wakeup */
505 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
506 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
507
508 defer = true;
509out:
510 spin_unlock(&mvm->d0i3_tx_lock);
511 return defer;
512}
513
8ca151b5
JB		 514static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
515 struct ieee80211_tx_control *control,
516 struct sk_buff *skb)
517{
518 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 519 struct ieee80211_sta *sta = control->sta;
520 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
521 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 522
9ee718aa
EL		 523 if (iwl_mvm_is_radio_killed(mvm)) {
524 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 525 goto drop;
526 }
527
398e8c6c 528 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 529 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
530 goto drop;
531
3e56eadf
JB		 532 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
533 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
534 ieee80211_is_mgmt(hdr->frame_control) &&
535 !ieee80211_is_deauth(hdr->frame_control) &&
536 !ieee80211_is_disassoc(hdr->frame_control) &&
537 !ieee80211_is_action(hdr->frame_control)))
538 sta = NULL;
539
540 if (sta) {
b2492501
AN		 541 if (iwl_mvm_defer_tx(mvm, sta, skb))
542 return;
3e56eadf 543 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 544 goto drop;
545 return;
546 }
547
548 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
549 goto drop;
550 return;
551 drop:
552 ieee80211_free_txskb(hw, skb);
553}
554
205e2210
EG		 555static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
556{
557 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
558 return false;
559 return true;
560}
561
562static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
563{
564 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
565 return false;
566 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
567 return true;
568
569 /* enabled by default */
570 return true;
571}
572
8ca151b5
JB		 573static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
574 struct ieee80211_vif *vif,
575 enum ieee80211_ampdu_mlme_action action,
576 struct ieee80211_sta *sta, u16 tid,
577 u16 *ssn, u8 buf_size)
578{
579 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
580 int ret;
b2492501 581 bool tx_agg_ref = false;
8ca151b5
JB		 582
583 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
584 sta->addr, tid, action);
585
586 if (!(mvm->nvm_data->sku_cap_11n_enable))
587 return -EACCES;
588
b2492501 589 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 590 switch (action) {
591 case IEEE80211_AMPDU_TX_START:
592 case IEEE80211_AMPDU_TX_STOP_CONT:
593 case IEEE80211_AMPDU_TX_STOP_FLUSH:
594 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
595 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 596 /*
9256c205
EP		 597 * for tx start, wait synchronously until D0i3 exit to
598 * get the correct sequence number for the tid.
599 * additionally, some other ampdu actions use direct
600 * target access, which is not handled automatically
601 * by the trans layer (unlike commands), so wait for
602 * d0i3 exit in these cases as well.
b2492501 603 */
d40fc489
GG		 604 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
605 if (ret)
606 return ret;
607
608 tx_agg_ref = true;
9256c205
EP		 609 break;
610 default:
611 break;
b2492501
AN		 612 }
613
8ca151b5
JB		 614 mutex_lock(&mvm->mutex);
615
616 switch (action) {
617 case IEEE80211_AMPDU_RX_START:
205e2210 618 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 619 ret = -EINVAL;
620 break;
621 }
622 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
623 break;
624 case IEEE80211_AMPDU_RX_STOP:
625 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
626 break;
627 case IEEE80211_AMPDU_TX_START:
205e2210 628 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 629 ret = -EINVAL;
630 break;
631 }
8ca151b5
JB		 632 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
633 break;
634 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 635 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
636 break;
8ca151b5
JB		 637 case IEEE80211_AMPDU_TX_STOP_FLUSH:
638 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 639 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 640 break;
641 case IEEE80211_AMPDU_TX_OPERATIONAL:
642 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
643 break;
644 default:
645 WARN_ON_ONCE(1);
646 ret = -EINVAL;
647 break;
648 }
649 mutex_unlock(&mvm->mutex);
650
b2492501
AN		 651 /*
652 * If the tid is marked as started, we won't use it for offloaded
653 * traffic on the next D0i3 entry. It's safe to unref.
654 */
655 if (tx_agg_ref)
656 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
657
8ca151b5
JB		 658 return ret;
659}
660
661static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
662 struct ieee80211_vif *vif)
663{
664 struct iwl_mvm *mvm = data;
665 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
666
667 mvmvif->uploaded = false;
668 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
669
670 /* does this make sense at all? */
671 mvmvif->color++;
672
673 spin_lock_bh(&mvm->time_event_lock);
674 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
675 spin_unlock_bh(&mvm->time_event_lock);
676
fe0f2de3 677 mvmvif->phy_ctxt = NULL;
8a275bad 678 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 679}
680
655e6d6d 681#ifdef CONFIG_IWLWIFI_DEBUGFS
4bfa47f3 682void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
655e6d6d 683{
4bfa47f3 684 static char *env[] = { "DRIVER=iwlwifi", "EVENT=error_dump", NULL };
655e6d6d
EG		 685 struct iwl_fw_error_dump_file *dump_file;
686 struct iwl_fw_error_dump_data *dump_data;
687 struct iwl_fw_error_dump_info *dump_info;
48eb7b34 688 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d
EG		 689 const struct fw_img *img;
690 u32 sram_len, sram_ofs;
691 u32 file_len, rxf_len;
692 unsigned long flags;
655e6d6d
EG		 693 int reg_val;
694
695 lockdep_assert_held(&mvm->mutex);
696
697 if (mvm->fw_error_dump)
698 return;
699
48eb7b34
EG		 700 fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL);
701 if (!fw_error_dump)
702 return;
703
655e6d6d
EG		 704 img = &mvm->fw->img[mvm->cur_ucode];
705 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
706 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
707
708 /* reading buffer size */
709 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
710 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
711
712 /* the register holds the value divided by 128 */
713 rxf_len = rxf_len << 7;
714
715 file_len = sizeof(*dump_file) +
716 sizeof(*dump_data) * 3 +
717 sram_len +
718 rxf_len +
719 sizeof(*dump_info);
720
5bfe6f53 721 dump_file = vzalloc(file_len);
48eb7b34
EG		 722 if (!dump_file) {
723 kfree(fw_error_dump);
655e6d6d 724 return;
48eb7b34 725 }
655e6d6d 726
48eb7b34 727 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 728
729 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 730 dump_data = (void *)dump_file->data;
731
732 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
733 dump_data->len = cpu_to_le32(sizeof(*dump_info));
734 dump_info = (void *) dump_data->data;
735 dump_info->device_family =
736 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
737 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
738 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
739 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
740 sizeof(dump_info->fw_human_readable));
741 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
742 sizeof(dump_info->dev_human_readable));
743 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
744 sizeof(dump_info->bus_human_readable));
745
746 dump_data = iwl_fw_error_next_data(dump_data);
747 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
748 dump_data->len = cpu_to_le32(rxf_len);
749
750 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
751 u32 *rxf = (void *)dump_data->data;
752 int i;
753
754 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
755 iwl_trans_write_prph(mvm->trans,
756 RXF_LD_FENCE_OFFSET_ADDR,
757 i * sizeof(u32));
758 rxf[i] = iwl_trans_read_prph(mvm->trans,
759 RXF_FIFO_RD_FENCE_ADDR);
760 }
761 iwl_trans_release_nic_access(mvm->trans, &flags);
762 }
763
764 dump_data = iwl_fw_error_next_data(dump_data);
765 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
766 dump_data->len = cpu_to_le32(sram_len);
767 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
768 sram_len);
769
48eb7b34
EG		 770 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
771 fw_error_dump->op_mode_len = file_len;
772 if (fw_error_dump->trans_ptr)
773 file_len += fw_error_dump->trans_ptr->len;
774 dump_file->file_len = cpu_to_le32(file_len);
775 mvm->fw_error_dump = fw_error_dump;
4bfa47f3
EG		 776
777 /* notify the userspace about the error we had */
778 kobject_uevent_env(&mvm->hw->wiphy->dev.kobj, KOBJ_CHANGE, env);
655e6d6d
EG		 779}
780#endif
781
8ca151b5
JB		 782static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
783{
1bd3cbc1
EG		 784 iwl_mvm_fw_error_dump(mvm);
785
8ca151b5 786 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 787
788 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 789 mvm->ps_disabled = false;
8ca151b5
JB		 790
791 /* just in case one was running */
792 ieee80211_remain_on_channel_expired(mvm->hw);
793
794 ieee80211_iterate_active_interfaces_atomic(
795 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
796 iwl_mvm_cleanup_iterator, mvm);
797
fe0f2de3 798 mvm->p2p_device_vif = NULL;
37577fe2 799 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 800
801 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 802 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
803 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
8a275bad
EG		 804 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
805 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
806 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
807 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
808 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
809 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 810
811 ieee80211_wake_queues(mvm->hw);
812
7498cf4c
EP		 813 /* cleanup all stale references (scan, roc), but keep the
814 * ucode_down ref until reconfig is complete */
815 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
816
228670b2
EP		 817 /* clear any stale d0i3 state */
818 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
819
8ca151b5 820 mvm->vif_count = 0;
113a0447 821 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 822}
823
a0a09243 824int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 825{
8ca151b5
JB		 826 int ret;
827
a0a09243 828 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 829
830 /* Clean up some internal and mac80211 state on restart */
831 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
832 iwl_mvm_restart_cleanup(mvm);
833
834 ret = iwl_mvm_up(mvm);
c47af22a
JB		 835
836 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
837 /* Something went wrong - we need to finish some cleanup
838 * that normally iwl_mvm_mac_restart_complete() below
839 * would do.
840 */
841 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
842 iwl_mvm_d0i3_enable_tx(mvm, NULL);
843 }
844
a0a09243
LC		 845 return ret;
846}
847
848static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
849{
850 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
851 int ret;
852
853 mutex_lock(&mvm->mutex);
854 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 855 mutex_unlock(&mvm->mutex);
856
857 return ret;
858}
859
860static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
861{
862 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
863 int ret;
864
865 mutex_lock(&mvm->mutex);
866
867 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 868 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 869 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 870 if (ret)
871 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
872 ret);
873
7498cf4c
EP		 874 /* allow transport/FW low power modes */
875 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
876
8ca151b5
JB		 877 mutex_unlock(&mvm->mutex);
878}
879
a0a09243 880void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 881{
a0a09243 882 lockdep_assert_held(&mvm->mutex);
7498cf4c
EP		 883
884 /* disallow low power states when the FW is down */
885 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
886
8ca151b5
JB		 887 /* async_handlers_wk is now blocked */
888
889 /*
890 * The work item could be running or queued if the
891 * ROC time event stops just as we get here.
892 */
893 cancel_work_sync(&mvm->roc_done_wk);
894
895 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 896
897 iwl_mvm_async_handlers_purge(mvm);
898 /* async_handlers_list is empty and will stay empty: HW is stopped */
899
900 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 901 iwl_mvm_del_aux_sta(mvm);
8ca151b5 902
bc44886d 903 mvm->ucode_loaded = false;
a0a09243 904}
bc44886d 905
a0a09243
LC		 906static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
907{
908 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
909
910 flush_work(&mvm->d0i3_exit_work);
911 flush_work(&mvm->async_handlers_wk);
4bfa47f3 912 flush_work(&mvm->fw_error_dump_wk);
a0a09243
LC		 913
914 mutex_lock(&mvm->mutex);
915 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 916 mutex_unlock(&mvm->mutex);
917
918 /*
919 * The worker might have been waiting for the mutex, let it run and
920 * discover that its list is now empty.
921 */
922 cancel_work_sync(&mvm->async_handlers_wk);
923}
924
fe0f2de3
IP		 925static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
926{
927 u16 i;
928
929 lockdep_assert_held(&mvm->mutex);
930
931 for (i = 0; i < NUM_PHY_CTX; i++)
932 if (!mvm->phy_ctxts[i].ref)
933 return &mvm->phy_ctxts[i];
934
935 IWL_ERR(mvm, "No available PHY context\n");
936 return NULL;
937}
938
ee9c6cb0
EG		 939static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
940 s8 tx_power)
941{
942 /* FW is in charge of regulatory enforcement */
943 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
944 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
945 .pwr_restriction = cpu_to_le16(tx_power),
946 };
947
a1022927 948 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 949 sizeof(reduce_txpwr_cmd),
950 &reduce_txpwr_cmd);
951}
952
8ca151b5
JB		 953static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
954 struct ieee80211_vif *vif)
955{
956 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
957 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
958 int ret;
959
d40fc489
GG		 960 /*
961 * make sure D0i3 exit is completed, otherwise a target access
962 * during tx queue configuration could be done when still in
963 * D0i3 state.
964 */
965 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
966 if (ret)
967 return ret;
968
8ca151b5
JB		 969 /*
970 * Not much to do here. The stack will not allow interface
971 * types or combinations that we didn't advertise, so we
972 * don't really have to check the types.
973 */
974
975 mutex_lock(&mvm->mutex);
976
e89044d7 977 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 978 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
979 if (ret)
980 goto out_unlock;
981
1c2abf72 982 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 983 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
984 mvm->vif_count++;
ea183d02 985
8ca151b5
JB		 986 /*
987 * The AP binding flow can be done only after the beacon
988 * template is configured (which happens only in the mac80211
989 * start_ap() flow), and adding the broadcast station can happen
990 * only after the binding.
991 * In addition, since modifying the MAC before adding a bcast
992 * station is not allowed by the FW, delay the adding of MAC context to
993 * the point where we can also add the bcast station.
994 * In short: there's not much we can do at this point, other than
995 * allocating resources :)
996 */
5023d966
JB		 997 if (vif->type == NL80211_IFTYPE_AP ||
998 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 999 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1000 if (ret) {
1001 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1002 goto out_release;
1003 }
1004
77740cb4 1005 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1006 goto out_unlock;
1007 }
1008
8ca151b5
JB		 1009 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1010 if (ret)
1011 goto out_release;
1012
999609f1 1013 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 1014 if (ret)
1015 goto out_release;
8ca151b5 1016
7df15b1e 1017 /* beacon filtering */
a1022927 1018 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1019 if (ret)
1020 goto out_remove_mac;
1021
7df15b1e 1022 if (!mvm->bf_allowed_vif &&
73e5f2c5 1023 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1024 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1025 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1026 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1027 }
1028
8ca151b5
JB		 1029 /*
1030 * P2P_DEVICE interface does not have a channel context assigned to it,
1031 * so a dedicated PHY context is allocated to it and the corresponding
1032 * MAC context is bound to it at this stage.
1033 */
1034 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1035
fe0f2de3
IP		 1036 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1037 if (!mvmvif->phy_ctxt) {
1038 ret = -ENOSPC;
bd3351ba 1039 goto out_free_bf;
fe0f2de3 1040 }
8ca151b5 1041
53a9d61e 1042 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1043 ret = iwl_mvm_binding_add_vif(mvm, vif);
1044 if (ret)
53a9d61e 1045 goto out_unref_phy;
8ca151b5 1046
013290aa 1047 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1048 if (ret)
1049 goto out_unbind;
1050
1051 /* Save a pointer to p2p device vif, so it can later be used to
1052 * update the p2p device MAC when a GO is started/stopped */
1053 mvm->p2p_device_vif = vif;
1054 }
1055
63494374 1056 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1057 goto out_unlock;
1058
1059 out_unbind:
1060 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1061 out_unref_phy:
fe0f2de3 1062 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1063 out_free_bf:
1064 if (mvm->bf_allowed_vif == mvmvif) {
1065 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1066 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1067 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1068 }
8ca151b5
JB		 1069 out_remove_mac:
1070 mvmvif->phy_ctxt = NULL;
1071 iwl_mvm_mac_ctxt_remove(mvm, vif);
1072 out_release:
5ee2b215
AB		 1073 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1074 mvm->vif_count--;
1c2abf72 1075
8ca151b5
JB		 1076 iwl_mvm_mac_ctxt_release(mvm, vif);
1077 out_unlock:
1078 mutex_unlock(&mvm->mutex);
1079
d40fc489
GG		 1080 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1081
8ca151b5
JB		 1082 return ret;
1083}
1084
38a12b5b
JB		 1085static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1086 struct ieee80211_vif *vif)
8ca151b5 1087{
110cf810 1088 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(mvm, vif);
8ca151b5
JB		 1089
1090 if (tfd_msk) {
1091 mutex_lock(&mvm->mutex);
1092 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1093 mutex_unlock(&mvm->mutex);
1094 }
1095
1096 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1097 /*
1098 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1099 * We assume here that all the packets sent to the OFFCHANNEL
1100 * queue are sent in ROC session.
1101 */
1102 flush_work(&mvm->roc_done_wk);
1103 } else {
1104 /*
1105 * By now, all the AC queues are empty. The AGG queues are
1106 * empty too. We already got all the Tx responses for all the
1107 * packets in the queues. The drain work can have been
0742a75a 1108 * triggered. Flush it.
8ca151b5
JB		 1109 */
1110 flush_work(&mvm->sta_drained_wk);
1111 }
38a12b5b
JB		 1112}
1113
1114static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1115 struct ieee80211_vif *vif)
1116{
1117 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1118 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1119
1120 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1121
1122 mutex_lock(&mvm->mutex);
1123
7df15b1e
HG		 1124 if (mvm->bf_allowed_vif == mvmvif) {
1125 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1126 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1127 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1128 }
1129
63494374
JB		 1130 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1131
8ca151b5
JB		 1132 /*
1133 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1134 * interface is be handled as part of the stop_ap flow.
8ca151b5 1135 */
5023d966
JB		 1136 if (vif->type == NL80211_IFTYPE_AP ||
1137 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1138#ifdef CONFIG_NL80211_TESTMODE
1139 if (vif == mvm->noa_vif) {
1140 mvm->noa_vif = NULL;
1141 mvm->noa_duration = 0;
1142 }
1143#endif
013290aa 1144 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1145 goto out_release;
1146 }
1147
1148 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1149 mvm->p2p_device_vif = NULL;
013290aa 1150 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1151 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1152 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1153 mvmvif->phy_ctxt = NULL;
1154 }
1155
5ee2b215 1156 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1157 mvm->vif_count--;
1c2abf72 1158
999609f1 1159 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1160 iwl_mvm_mac_ctxt_remove(mvm, vif);
1161
1162out_release:
1163 iwl_mvm_mac_ctxt_release(mvm, vif);
1164 mutex_unlock(&mvm->mutex);
1165}
1166
1167static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1168{
8ca151b5
JB		 1169 return 0;
1170}
1171
e59647ea
EP		 1172struct iwl_mvm_mc_iter_data {
1173 struct iwl_mvm *mvm;
1174 int port_id;
1175};
1176
1177static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1178 struct ieee80211_vif *vif)
1179{
1180 struct iwl_mvm_mc_iter_data *data = _data;
1181 struct iwl_mvm *mvm = data->mvm;
1182 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1183 int ret, len;
1184
1185 /* if we don't have free ports, mcast frames will be dropped */
1186 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1187 return;
1188
1189 if (vif->type != NL80211_IFTYPE_STATION ||
1190 !vif->bss_conf.assoc)
1191 return;
1192
1193 cmd->port_id = data->port_id++;
1194 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1195 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1196
1c4abec0 1197 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1198 if (ret)
1199 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1200}
1201
1202static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1203{
1204 struct iwl_mvm_mc_iter_data iter_data = {
1205 .mvm = mvm,
88f2fd73
MG		 1206 };
1207
e59647ea
EP		 1208 lockdep_assert_held(&mvm->mutex);
1209
1210 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1211 return;
1212
1c4abec0 1213 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1214 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1215 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1216}
1217
e59647ea
EP		 1218static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1219 struct netdev_hw_addr_list *mc_list)
8ca151b5 1220{
e59647ea
EP		 1221 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1222 struct iwl_mcast_filter_cmd *cmd;
1223 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1224 int addr_count;
1225 bool pass_all;
e59647ea
EP		 1226 int len;
1227
f3bd58f4
MS		 1228 addr_count = netdev_hw_addr_list_count(mc_list);
1229 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1230 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1231 if (pass_all)
e59647ea 1232 addr_count = 0;
e59647ea
EP		 1233
1234 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1235 cmd = kzalloc(len, GFP_ATOMIC);
1236 if (!cmd)
1237 return 0;
1238
1239 if (pass_all) {
1240 cmd->pass_all = 1;
1241 return (u64)(unsigned long)cmd;
1242 }
1243
1244 netdev_hw_addr_list_for_each(addr, mc_list) {
1245 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1246 cmd->count, addr->addr);
1247 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1248 addr->addr, ETH_ALEN);
1249 cmd->count++;
1250 }
1251
1252 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1253}
1254
1255static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1256 unsigned int changed_flags,
1257 unsigned int *total_flags,
1258 u64 multicast)
1259{
e59647ea
EP		 1260 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1261 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1262
e59647ea 1263 mutex_lock(&mvm->mutex);
51b6b9e0 1264
e59647ea
EP		 1265 /* replace previous configuration */
1266 kfree(mvm->mcast_filter_cmd);
1267 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1268
e59647ea
EP		 1269 if (!cmd)
1270 goto out;
51b6b9e0 1271
e59647ea
EP		 1272 iwl_mvm_recalc_multicast(mvm);
1273out:
1274 mutex_unlock(&mvm->mutex);
1275 *total_flags = 0;
51b6b9e0
EG		 1276}
1277
c87163b9
EP		 1278#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1279struct iwl_bcast_iter_data {
1280 struct iwl_mvm *mvm;
1281 struct iwl_bcast_filter_cmd *cmd;
1282 u8 current_filter;
1283};
1284
1285static void
1286iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1287 const struct iwl_fw_bcast_filter *in_filter,
1288 struct iwl_fw_bcast_filter *out_filter)
1289{
1290 struct iwl_fw_bcast_filter_attr *attr;
1291 int i;
1292
1293 memcpy(out_filter, in_filter, sizeof(*out_filter));
1294
1295 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1296 attr = &out_filter->attrs[i];
1297
1298 if (!attr->mask)
1299 break;
1300
2ee8f021
EP		 1301 switch (attr->reserved1) {
1302 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1303 if (vif->bss_conf.arp_addr_cnt != 1) {
1304 attr->mask = 0;
1305 continue;
1306 }
1307
1308 attr->val = vif->bss_conf.arp_addr_list[0];
1309 break;
1310 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1311 attr->val = *(__be32 *)&vif->addr[2];
1312 break;
1313 default:
1314 break;
1315 }
1316 attr->reserved1 = 0;
c87163b9
EP		 1317 out_filter->num_attrs++;
1318 }
1319}
1320
1321static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1322 struct ieee80211_vif *vif)
1323{
1324 struct iwl_bcast_iter_data *data = _data;
1325 struct iwl_mvm *mvm = data->mvm;
1326 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1327 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1328 struct iwl_fw_bcast_mac *bcast_mac;
1329 int i;
1330
1331 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1332 return;
1333
1334 bcast_mac = &cmd->macs[mvmvif->id];
1335
e48393e8
IP		 1336 /*
1337 * enable filtering only for associated stations, but not for P2P
1338 * Clients
1339 */
1340 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1341 !vif->bss_conf.assoc)
c87163b9
EP		 1342 return;
1343
1344 bcast_mac->default_discard = 1;
1345
1346 /* copy all configured filters */
1347 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1348 /*
1349 * Make sure we don't exceed our filters limit.
1350 * if there is still a valid filter to be configured,
1351 * be on the safe side and just allow bcast for this mac.
1352 */
1353 if (WARN_ON_ONCE(data->current_filter >=
1354 ARRAY_SIZE(cmd->filters))) {
1355 bcast_mac->default_discard = 0;
1356 bcast_mac->attached_filters = 0;
1357 break;
1358 }
1359
1360 iwl_mvm_set_bcast_filter(vif,
1361 &mvm->bcast_filters[i],
1362 &cmd->filters[data->current_filter]);
1363
1364 /* skip current filter if it contains no attributes */
1365 if (!cmd->filters[data->current_filter].num_attrs)
1366 continue;
1367
1368 /* attach the filter to current mac */
1369 bcast_mac->attached_filters |=
1370 cpu_to_le16(BIT(data->current_filter));
1371
1372 data->current_filter++;
1373 }
1374}
1375
de06a59e
EP		 1376bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1377 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1378{
c87163b9
EP		 1379 struct iwl_bcast_iter_data iter_data = {
1380 .mvm = mvm,
de06a59e 1381 .cmd = cmd,
c87163b9
EP		 1382 };
1383
de06a59e
EP		 1384 memset(cmd, 0, sizeof(*cmd));
1385 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1386 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1387
1388#ifdef CONFIG_IWLWIFI_DEBUGFS
1389 /* use debugfs filters/macs if override is configured */
1390 if (mvm->dbgfs_bcast_filtering.override) {
1391 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1392 sizeof(cmd->filters));
1393 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1394 sizeof(cmd->macs));
1395 return true;
1396 }
1397#endif
c87163b9
EP		 1398
1399 /* if no filters are configured, do nothing */
1400 if (!mvm->bcast_filters)
de06a59e 1401 return false;
c87163b9
EP		 1402
1403 /* configure and attach these filters for each associated sta vif */
1404 ieee80211_iterate_active_interfaces(
1405 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1406 iwl_mvm_bcast_filter_iterator, &iter_data);
1407
de06a59e
EP		 1408 return true;
1409}
1410static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1411 struct ieee80211_vif *vif)
1412{
1413 struct iwl_bcast_filter_cmd cmd;
1414
1415 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1416 return 0;
1417
1418 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1419 return 0;
1420
a1022927 1421 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1422 sizeof(cmd), &cmd);
1423}
1424#else
1425static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1426 struct ieee80211_vif *vif)
1427{
1428 return 0;
1429}
1430#endif
1431
8ca151b5
JB		 1432static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1433 struct ieee80211_vif *vif,
1434 struct ieee80211_bss_conf *bss_conf,
1435 u32 changes)
1436{
1437 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1438 int ret;
1439
6e97b0d2
IP		 1440 /*
1441 * Re-calculate the tsf id, as the master-slave relations depend on the
1442 * beacon interval, which was not known when the station interface was
1443 * added.
1444 */
1445 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1446 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1447
3dfd3a97
JB		 1448 /*
1449 * If we're not associated yet, take the (new) BSSID before associating
1450 * so the firmware knows. If we're already associated, then use the old
1451 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1452 * branch for disassociation below.
1453 */
1454 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1455 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1456
1457 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1458 if (ret)
1459 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1460
3dfd3a97
JB		 1461 /* after sending it once, adopt mac80211 data */
1462 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1463 mvmvif->associated = bss_conf->assoc;
1464
8ca151b5
JB		 1465 if (changes & BSS_CHANGED_ASSOC) {
1466 if (bss_conf->assoc) {
1467 /* add quota for this interface */
0166230c 1468 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1469 if (ret) {
1470 IWL_ERR(mvm, "failed to update quotas\n");
1471 return;
1472 }
016d27e1
JB		 1473
1474 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1475 &mvm->status)) {
1476 /*
1477 * If we're restarting then the firmware will
1478 * obviously have lost synchronisation with
1479 * the AP. It will attempt to synchronise by
1480 * itself, but we can make it more reliable by
1481 * scheduling a session protection time event.
1482 *
1483 * The firmware needs to receive a beacon to
1484 * catch up with synchronisation, use 110% of
1485 * the beacon interval.
1486 *
1487 * Set a large maximum delay to allow for more
1488 * than a single interface.
1489 */
1490 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1491 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1492 5 * dur, false);
016d27e1 1493 }
1f3b0ff8
LE		 1494
1495 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1496 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1497 if (vif->p2p) {
29a90a49 1498 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1499 iwl_mvm_update_smps(mvm, vif,
1500 IWL_MVM_SMPS_REQ_PROT,
1501 IEEE80211_SMPS_DYNAMIC);
1502 }
8ca151b5 1503 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1504 /*
1505 * If update fails - SF might be running in associated
1506 * mode while disassociated - which is forbidden.
1507 */
1508 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1509 "Failed to update SF upon disassociation\n");
1510
8ca151b5
JB		 1511 /* remove AP station now that the MAC is unassoc */
1512 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1513 if (ret)
1514 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1515
1516 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1517 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1518 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1519 /* remove quota for this interface */
0166230c 1520 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1521 if (ret)
1522 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1523
1524 if (vif->p2p)
1525 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1526
1527 /* this will take the cleared BSSID from bss_conf */
1528 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1529 if (ret)
1530 IWL_ERR(mvm,
1531 "failed to update MAC %pM (clear after unassoc)\n",
1532 vif->addr);
8ca151b5 1533 }
a20fd398 1534
e59647ea 1535 iwl_mvm_recalc_multicast(mvm);
c87163b9 1536 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1537
a20fd398
AO		 1538 /* reset rssi values */
1539 mvmvif->bf_data.ave_beacon_signal = 0;
1540
8e484f0b 1541 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1542 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1543 IEEE80211_SMPS_AUTOMATIC);
989c6505 1544 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1545 /*
1546 * We received a beacon _after_ association so
1547 * remove the session protection.
1548 */
1549 iwl_mvm_remove_time_event(mvm, mvmvif,
1550 &mvmvif->time_event_data);
8ca151b5 1551 }
cc87d322
EH		 1552
1553 if (changes & BSS_CHANGED_BEACON_INFO) {
1554 iwl_mvm_sf_update(mvm, vif, false);
1555 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1556 }
1557
1bc10d3b
JB		 1558 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1559 ret = iwl_mvm_power_update_mac(mvm);
1560 if (ret)
1561 IWL_ERR(mvm, "failed to update power mode\n");
1562 }
1563
88f2fd73
MG		 1564 if (changes & BSS_CHANGED_TXPOWER) {
1565 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1566 bss_conf->txpower);
1567 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1568 }
a20fd398
AO		 1569
1570 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1571 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1572 /* reset cqm events tracking */
1573 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1574 if (mvmvif->bf_data.bf_enabled) {
1575 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1576 if (ret)
1577 IWL_ERR(mvm,
1578 "failed to update CQM thresholds\n");
1579 }
a20fd398 1580 }
2ee8f021
EP		 1581
1582 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1583 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1584 iwl_mvm_configure_bcast_filter(mvm, vif);
1585 }
8ca151b5
JB		 1586}
1587
5023d966
JB		 1588static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1589 struct ieee80211_vif *vif)
8ca151b5
JB		 1590{
1591 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1592 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1593 int ret;
1594
576eeee9
EP		 1595 /*
1596 * iwl_mvm_mac_ctxt_add() might read directly from the device
1597 * (the system time), so make sure it is available.
1598 */
1599 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1600 if (ret)
1601 return ret;
1602
8ca151b5
JB		 1603 mutex_lock(&mvm->mutex);
1604
1605 /* Send the beacon template */
1606 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1607 if (ret)
1608 goto out_unlock;
1609
6e97b0d2
IP		 1610 /*
1611 * Re-calculate the tsf id, as the master-slave relations depend on the
1612 * beacon interval, which was not known when the AP interface was added.
1613 */
1614 if (vif->type == NL80211_IFTYPE_AP)
1615 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1616
8ca151b5
JB		 1617 /* Add the mac context */
1618 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1619 if (ret)
1620 goto out_unlock;
1621
1622 /* Perform the binding */
1623 ret = iwl_mvm_binding_add_vif(mvm, vif);
1624 if (ret)
1625 goto out_remove;
1626
8ca151b5
JB		 1627 /* Send the bcast station. At this stage the TBTT and DTIM time events
1628 * are added and applied to the scheduler */
013290aa 1629 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1630 if (ret)
1631 goto out_unbind;
1632
5691e218
IP		 1633 /* must be set before quota calculations */
1634 mvmvif->ap_ibss_active = true;
1635
a11e144e 1636 /* power updated needs to be done before quotas */
999609f1 1637 iwl_mvm_power_update_mac(mvm);
a11e144e 1638
0166230c 1639 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1640 if (ret)
a11e144e 1641 goto out_quota_failed;
8ca151b5 1642
5023d966 1643 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1644 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1645 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1646
29a90a49
EP		 1647 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1648
8e484f0b 1649 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1650
f697267f
AN		 1651 /* we don't support TDLS during DCM */
1652 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1653 iwl_mvm_teardown_tdls_peers(mvm);
1654
8ca151b5
JB		 1655 mutex_unlock(&mvm->mutex);
1656 return 0;
1657
a11e144e 1658out_quota_failed:
999609f1 1659 iwl_mvm_power_update_mac(mvm);
5691e218 1660 mvmvif->ap_ibss_active = false;
013290aa 1661 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 1662out_unbind:
1663 iwl_mvm_binding_remove_vif(mvm, vif);
1664out_remove:
1665 iwl_mvm_mac_ctxt_remove(mvm, vif);
1666out_unlock:
1667 mutex_unlock(&mvm->mutex);
576eeee9 1668 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 1669 return ret;
1670}
1671
5023d966
JB		 1672static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1673 struct ieee80211_vif *vif)
8ca151b5
JB		 1674{
1675 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1676 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1677
38a12b5b
JB		 1678 iwl_mvm_prepare_mac_removal(mvm, vif);
1679
8ca151b5
JB		 1680 mutex_lock(&mvm->mutex);
1681
664322fa 1682 /* Handle AP stop while in CSA */
7f0a7c67
AO		 1683 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1684 iwl_mvm_remove_time_event(mvm, mvmvif,
1685 &mvmvif->time_event_data);
664322fa 1686 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 1687 }
664322fa 1688
003e5236
AO		 1689 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1690 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1691 mvm->csa_tx_block_bcn_timeout = 0;
1692 }
1693
5023d966 1694 mvmvif->ap_ibss_active = false;
1c87bbad 1695 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 1696
8e484f0b 1697 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1698
29a90a49
EP		 1699 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1700
5023d966 1701 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1702 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1703 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1704
0166230c 1705 iwl_mvm_update_quotas(mvm, NULL);
013290aa 1706 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 1707 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 1708
999609f1 1709 iwl_mvm_power_update_mac(mvm);
a11e144e 1710
8ca151b5
JB		 1711 iwl_mvm_mac_ctxt_remove(mvm, vif);
1712
1713 mutex_unlock(&mvm->mutex);
1714}
1715
5023d966
JB		 1716static void
1717iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1718 struct ieee80211_vif *vif,
1719 struct ieee80211_bss_conf *bss_conf,
1720 u32 changes)
8ca151b5 1721{
be2056fc 1722 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 1723
be2056fc
IP		 1724 /* Changes will be applied when the AP/IBSS is started */
1725 if (!mvmvif->ap_ibss_active)
1726 return;
1727
863230da 1728 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 1729 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 1730 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 1731 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 1732
8ca151b5 1733 /* Need to send a new beacon template to the FW */
863230da
JB		 1734 if (changes & BSS_CHANGED_BEACON &&
1735 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1736 IWL_WARN(mvm, "Failed updating beacon data\n");
8ca151b5
JB		 1737}
1738
1739static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1740 struct ieee80211_vif *vif,
1741 struct ieee80211_bss_conf *bss_conf,
1742 u32 changes)
1743{
1744 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1745
576eeee9
EP		 1746 /*
1747 * iwl_mvm_bss_info_changed_station() might call
1748 * iwl_mvm_protect_session(), which reads directly from
1749 * the device (the system time), so make sure it is available.
1750 */
1751 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1752 return;
1753
8ca151b5
JB		 1754 mutex_lock(&mvm->mutex);
1755
723f02ed 1756 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 1757 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 1758
8ca151b5
JB		 1759 switch (vif->type) {
1760 case NL80211_IFTYPE_STATION:
1761 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1762 break;
1763 case NL80211_IFTYPE_AP:
5023d966
JB		 1764 case NL80211_IFTYPE_ADHOC:
1765 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1766 break;
1767 default:
1768 /* shouldn't happen */
1769 WARN_ON_ONCE(1);
1770 }
1771
1772 mutex_unlock(&mvm->mutex);
576eeee9 1773 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 1774}
1775
4660dfbb
EP		 1776static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1777 enum iwl_scan_status scan_type)
1778{
1779 int ret;
1780 bool wait_for_handlers = false;
1781
1782 mutex_lock(&mvm->mutex);
1783
1784 if (mvm->scan_status != scan_type) {
1785 ret = 0;
1786 /* make sure there are no pending notifications */
1787 wait_for_handlers = true;
1788 goto out;
1789 }
1790
1791 switch (scan_type) {
1792 case IWL_MVM_SCAN_SCHED:
1793 ret = iwl_mvm_scan_offload_stop(mvm, true);
1794 break;
1795 case IWL_MVM_SCAN_OS:
1796 ret = iwl_mvm_cancel_scan(mvm);
1797 break;
1798 case IWL_MVM_SCAN_NONE:
1799 default:
1800 WARN_ON_ONCE(1);
1801 ret = -EINVAL;
1802 break;
1803 }
1804 if (ret)
1805 goto out;
1806
1807 wait_for_handlers = true;
1808out:
1809 mutex_unlock(&mvm->mutex);
1810
1811 /* make sure we consume the completion notification */
1812 if (wait_for_handlers)
1813 iwl_mvm_wait_for_async_handlers(mvm);
1814
1815 return ret;
1816}
8ca151b5
JB		 1817static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1818 struct ieee80211_vif *vif,
c56ef672 1819 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 1820{
1821 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 1822 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 1823 int ret;
1824
762533ba
DS		 1825 if (req->n_channels == 0 ||
1826 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 1827 return -EINVAL;
1828
4660dfbb
EP		 1829 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1830 if (ret)
1831 return ret;
1832
8ca151b5
JB		 1833 mutex_lock(&mvm->mutex);
1834
4660dfbb 1835 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 1836 ret = -EBUSY;
519e2026
AN		 1837 goto out;
1838 }
8ca151b5 1839
519e2026
AN		 1840 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1841
fb98be5e
DS		 1842 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1843 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1844 else
1845 ret = iwl_mvm_scan_request(mvm, vif, req);
1846
519e2026
AN		 1847 if (ret)
1848 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1849out:
8ca151b5 1850 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1851 return ret;
1852}
1853
1854static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1855 struct ieee80211_vif *vif)
1856{
1857 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1858
1859 mutex_lock(&mvm->mutex);
1860
1861 iwl_mvm_cancel_scan(mvm);
1862
1863 mutex_unlock(&mvm->mutex);
1864}
1865
1866static void
1867iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1868 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1869 int num_frames,
1870 enum ieee80211_frame_release_type reason,
1871 bool more_data)
1872{
1873 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1874
3e56eadf 1875 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1876
3e56eadf
JB		 1877 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1878 tids, more_data, false);
1879}
1880
1881static void
1882iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1883 struct ieee80211_sta *sta, u16 tids,
1884 int num_frames,
1885 enum ieee80211_frame_release_type reason,
1886 bool more_data)
1887{
1888 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1889
1890 /* Called when we need to transmit (a) frame(s) from agg queue */
1891
1892 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1893 tids, more_data, true);
8ca151b5
JB		 1894}
1895
1896static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1897 struct ieee80211_vif *vif,
1898 enum sta_notify_cmd cmd,
1899 struct ieee80211_sta *sta)
1900{
1901 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1902 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1903 int tid;
8ca151b5
JB		 1904
1905 switch (cmd) {
1906 case STA_NOTIFY_SLEEP:
e3d4bc8c 1907 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1908 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1909 spin_lock_bh(&mvmsta->lock);
1910 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1911 struct iwl_mvm_tid_data *tid_data;
1912
1913 tid_data = &mvmsta->tid_data[tid];
1914 if (tid_data->state != IWL_AGG_ON &&
1915 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1916 continue;
1917 if (iwl_mvm_tid_queued(tid_data) == 0)
1918 continue;
1919 ieee80211_sta_set_buffered(sta, tid, true);
1920 }
1921 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1922 /*
1923 * The fw updates the STA to be asleep. Tx packets on the Tx
1924 * queues to this station will not be transmitted. The fw will
1925 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1926 */
1927 break;
1928 case STA_NOTIFY_AWAKE:
881acd89 1929 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1930 break;
9cc40712 1931 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1932 break;
1933 default:
1934 break;
1935 }
1936}
1937
1ddbbb0c
JB		 1938static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1939 struct ieee80211_vif *vif,
1940 struct ieee80211_sta *sta)
1941{
1942 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1943 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1944
1945 /*
1946 * This is called before mac80211 does RCU synchronisation,
1947 * so here we already invalidate our internal RCU-protected
1948 * station pointer. The rest of the code will thus no longer
1949 * be able to find the station this way, and we don't rely
1950 * on further RCU synchronisation after the sta_state()
1951 * callback deleted the station.
1952 */
1953 mutex_lock(&mvm->mutex);
1954 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1955 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1956 ERR_PTR(-ENOENT));
1957 mutex_unlock(&mvm->mutex);
1958}
1959
8ca151b5
JB		 1960static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1961 struct ieee80211_vif *vif,
1962 struct ieee80211_sta *sta,
1963 enum ieee80211_sta_state old_state,
1964 enum ieee80211_sta_state new_state)
1965{
1966 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1967 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1968 int ret;
1969
1970 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1971 sta->addr, old_state, new_state);
1972
1973 /* this would be a mac80211 bug ... but don't crash */
1974 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1975 return -EINVAL;
1976
1977 /* if a STA is being removed, reuse its ID */
1978 flush_work(&mvm->sta_drained_wk);
1979
1980 mutex_lock(&mvm->mutex);
1981 if (old_state == IEEE80211_STA_NOTEXIST &&
1982 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 1983 /*
1984 * Firmware bug - it'll crash if the beacon interval is less
1985 * than 16. We can't avoid connecting at all, so refuse the
1986 * station state change, this will cause mac80211 to abandon
1987 * attempts to connect to this AP, and eventually wpa_s will
1988 * blacklist the AP...
1989 */
1990 if (vif->type == NL80211_IFTYPE_STATION &&
1991 vif->bss_conf.beacon_int < 16) {
1992 IWL_ERR(mvm,
1993 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1994 sta->addr, vif->bss_conf.beacon_int);
1995 ret = -EINVAL;
1996 goto out_unlock;
1997 }
cf7b491d
AN		 1998
1999 if (sta->tdls &&
2000 (vif->p2p ||
fa3d07e4
AN		 2001 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2002 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2003 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2004 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2005 ret = -EBUSY;
2006 goto out_unlock;
2007 }
2008
8ca151b5 2009 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2010 if (sta->tdls && ret == 0)
2011 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2012 } else if (old_state == IEEE80211_STA_NONE &&
2013 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2014 /*
2015 * EBS may be disabled due to previous failures reported by FW.
2016 * Reset EBS status here assuming environment has been changed.
2017 */
2018 mvm->last_ebs_successful = true;
8ca151b5
JB		 2019 ret = 0;
2020 } else if (old_state == IEEE80211_STA_AUTH &&
2021 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2022 ret = iwl_mvm_update_sta(mvm, vif, sta);
2023 if (ret == 0)
2024 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2025 mvmvif->phy_ctxt->channel->band,
2026 true);
8ca151b5
JB		 2027 } else if (old_state == IEEE80211_STA_ASSOC &&
2028 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2029
2030 /* we don't support TDLS during DCM */
2031 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2032 iwl_mvm_teardown_tdls_peers(mvm);
2033
7df15b1e 2034 /* enable beacon filtering */
fa7b2e7f 2035 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2036 ret = 0;
2037 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2038 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2039 /* disable beacon filtering */
a1022927 2040 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2041 ret = 0;
2042 } else if (old_state == IEEE80211_STA_ASSOC &&
2043 new_state == IEEE80211_STA_AUTH) {
2044 ret = 0;
2045 } else if (old_state == IEEE80211_STA_AUTH &&
2046 new_state == IEEE80211_STA_NONE) {
2047 ret = 0;
2048 } else if (old_state == IEEE80211_STA_NONE &&
2049 new_state == IEEE80211_STA_NOTEXIST) {
2050 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2051 if (sta->tdls)
2052 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2053 } else {
2054 ret = -EIO;
2055 }
48bc1307 2056 out_unlock:
8ca151b5
JB		 2057 mutex_unlock(&mvm->mutex);
2058
2059 return ret;
2060}
2061
2062static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2063{
2064 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2065
2066 mvm->rts_threshold = value;
2067
2068 return 0;
2069}
2070
1f3b0ff8
LE		 2071static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2072 struct ieee80211_vif *vif,
2073 struct ieee80211_sta *sta, u32 changed)
2074{
2075 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2076
2077 if (vif->type == NL80211_IFTYPE_STATION &&
2078 changed & IEEE80211_RC_NSS_CHANGED)
2079 iwl_mvm_sf_update(mvm, vif, false);
2080}
2081
8ca151b5
JB		 2082static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2083 struct ieee80211_vif *vif, u16 ac,
2084 const struct ieee80211_tx_queue_params *params)
2085{
2086 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2087 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2088
2089 mvmvif->queue_params[ac] = *params;
2090
2091 /*
2092 * No need to update right away, we'll get BSS_CHANGED_QOS
2093 * The exception is P2P_DEVICE interface which needs immediate update.
2094 */
2095 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2096 int ret;
2097
2098 mutex_lock(&mvm->mutex);
3dfd3a97 2099 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2100 mutex_unlock(&mvm->mutex);
2101 return ret;
2102 }
2103 return 0;
2104}
2105
2106static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2107 struct ieee80211_vif *vif)
2108{
2109 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2110 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2111 200 + vif->bss_conf.beacon_int);
2112 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2113 100 + vif->bss_conf.beacon_int);
2114
2115 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2116 return;
2117
576eeee9
EP		 2118 /*
2119 * iwl_mvm_protect_session() reads directly from the device
2120 * (the system time), so make sure it is available.
2121 */
2122 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2123 return;
2124
8ca151b5
JB		 2125 mutex_lock(&mvm->mutex);
2126 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2127 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2128 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2129
2130 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2131}
2132
35a000b7
DS		 2133static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2134 struct ieee80211_vif *vif,
2135 struct cfg80211_sched_scan_request *req,
633e2713 2136 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2137{
2138 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2139 int ret;
2140
4660dfbb
EP		 2141 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2142 if (ret)
2143 return ret;
2144
35a000b7
DS		 2145 mutex_lock(&mvm->mutex);
2146
59ecb128
AB		 2147 /* Newest FW fixes sched scan while connected on another interface */
2148 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
2149 if (!vif->bss_conf.idle) {
2150 ret = -EBUSY;
2151 goto out;
2152 }
2153 } else if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2154 ret = -EBUSY;
2155 goto out;
2156 }
2157
4660dfbb 2158 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2159 ret = -EBUSY;
2160 goto out;
2161 }
2162
2163 mvm->scan_status = IWL_MVM_SCAN_SCHED;
2164
fb98be5e
DS		 2165 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
2166 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
2167 if (ret)
2168 goto err;
2169 }
35a000b7
DS		 2170
2171 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
2172 if (ret)
2173 goto err;
2174
fb98be5e
DS		 2175 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
2176 ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
2177 else
2178 ret = iwl_mvm_sched_scan_start(mvm, req);
2179
35a000b7
DS		 2180 if (!ret)
2181 goto out;
2182err:
2183 mvm->scan_status = IWL_MVM_SCAN_NONE;
2184out:
2185 mutex_unlock(&mvm->mutex);
2186 return ret;
2187}
2188
37e3308c
JB		 2189static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2190 struct ieee80211_vif *vif)
35a000b7
DS		 2191{
2192 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2193 int ret;
35a000b7
DS		 2194
2195 mutex_lock(&mvm->mutex);
fb98be5e 2196 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2197 mutex_unlock(&mvm->mutex);
33ea27f6 2198 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2199
33ea27f6 2200 return ret;
35a000b7
DS		 2201}
2202
8ca151b5
JB		 2203static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2204 enum set_key_cmd cmd,
2205 struct ieee80211_vif *vif,
2206 struct ieee80211_sta *sta,
2207 struct ieee80211_key_conf *key)
2208{
2209 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2210 int ret;
2211
2212 if (iwlwifi_mod_params.sw_crypto) {
2213 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2214 return -EOPNOTSUPP;
2215 }
2216
2217 switch (key->cipher) {
2218 case WLAN_CIPHER_SUITE_TKIP:
2219 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2220 /* fall-through */
2221 case WLAN_CIPHER_SUITE_CCMP:
2222 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2223 break;
2224 case WLAN_CIPHER_SUITE_AES_CMAC:
2225 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2226 break;
2227 case WLAN_CIPHER_SUITE_WEP40:
2228 case WLAN_CIPHER_SUITE_WEP104:
2229 /*
2230 * Support for TX only, at least for now, so accept
2231 * the key and do nothing else. Then mac80211 will
2232 * pass it for TX but we don't have to use it for RX.
2233 */
2234 return 0;
2235 default:
e36e5433
MS		 2236 /* currently FW supports only one optional cipher scheme */
2237 if (hw->n_cipher_schemes &&
2238 hw->cipher_schemes->cipher == key->cipher)
2239 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2240 else
2241 return -EOPNOTSUPP;
8ca151b5
JB		 2242 }
2243
2244 mutex_lock(&mvm->mutex);
2245
2246 switch (cmd) {
2247 case SET_KEY:
5023d966
JB		 2248 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2249 vif->type == NL80211_IFTYPE_AP) && !sta) {
2250 /*
2251 * GTK on AP interface is a TX-only key, return 0;
2252 * on IBSS they're per-station and because we're lazy
2253 * we don't support them for RX, so do the same.
2254 */
6caffd4f
JB		 2255 ret = 0;
2256 key->hw_key_idx = STA_KEY_IDX_INVALID;
2257 break;
2258 }
2259
8ca151b5
JB		 2260 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2261 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2262 if (ret) {
2263 IWL_WARN(mvm, "set key failed\n");
2264 /*
2265 * can't add key for RX, but we don't need it
2266 * in the device for TX so still return 0
2267 */
6caffd4f 2268 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2269 ret = 0;
2270 }
2271
2272 break;
2273 case DISABLE_KEY:
6caffd4f
JB		 2274 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2275 ret = 0;
2276 break;
2277 }
2278
8ca151b5
JB		 2279 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2280 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2281 break;
2282 default:
2283 ret = -EINVAL;
2284 }
2285
2286 mutex_unlock(&mvm->mutex);
2287 return ret;
2288}
2289
2290static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2291 struct ieee80211_vif *vif,
2292 struct ieee80211_key_conf *keyconf,
2293 struct ieee80211_sta *sta,
2294 u32 iv32, u16 *phase1key)
2295{
2296 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2297
5023d966
JB		 2298 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2299 return;
2300
8ca151b5
JB		 2301 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2302}
2303
2304
b112889c
AM		 2305static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2306 struct iwl_rx_packet *pkt, void *data)
2307{
2308 struct iwl_mvm *mvm =
2309 container_of(notif_wait, struct iwl_mvm, notif_wait);
2310 struct iwl_hs20_roc_res *resp;
2311 int resp_len = iwl_rx_packet_payload_len(pkt);
2312 struct iwl_mvm_time_event_data *te_data = data;
2313
2314 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2315 return true;
2316
2317 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2318 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2319 return true;
2320 }
2321
2322 resp = (void *)pkt->data;
2323
2324 IWL_DEBUG_TE(mvm,
2325 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2326 resp->status, resp->event_unique_id);
2327
2328 te_data->uid = le32_to_cpu(resp->event_unique_id);
2329 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2330 te_data->uid);
2331
2332 spin_lock_bh(&mvm->time_event_lock);
2333 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2334 spin_unlock_bh(&mvm->time_event_lock);
2335
2336 return true;
2337}
2338
2339#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2340static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2341 struct ieee80211_channel *channel,
2342 struct ieee80211_vif *vif,
2343 int duration)
2344{
2345 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2346 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2347 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2348 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2349 struct iwl_notification_wait wait_time_event;
2350 struct iwl_hs20_roc_req aux_roc_req = {
2351 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2352 .id_and_color =
2353 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2354 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2355 /* Set the channel info data */
2356 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2357 PHY_BAND_24 : PHY_BAND_5,
2358 .channel_info.channel = channel->hw_value,
2359 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2360 /* Set the time and duration */
2361 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2362 .apply_time_max_delay =
2363 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2364 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2365 };
2366
2367 /* Set the node address */
2368 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2369
2370 te_data->vif = vif;
2371 te_data->duration = duration;
2372 te_data->id = HOT_SPOT_CMD;
2373
2374 lockdep_assert_held(&mvm->mutex);
2375
2376 spin_lock_bh(&mvm->time_event_lock);
2377 list_add_tail(&te_data->list, &mvm->time_event_list);
2378 spin_unlock_bh(&mvm->time_event_lock);
2379
2380 /*
2381 * Use a notification wait, which really just processes the
2382 * command response and doesn't wait for anything, in order
2383 * to be able to process the response and get the UID inside
2384 * the RX path. Using CMD_WANT_SKB doesn't work because it
2385 * stores the buffer and then wakes up this thread, by which
2386 * time another notification (that the time event started)
2387 * might already be processed unsuccessfully.
2388 */
2389 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2390 time_event_response,
2391 ARRAY_SIZE(time_event_response),
2392 iwl_mvm_rx_aux_roc, te_data);
2393
2394 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2395 &aux_roc_req);
2396
2397 if (res) {
2398 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2399 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2400 goto out_clear_te;
2401 }
2402
2403 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2404 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2405 /* should never fail */
2406 WARN_ON_ONCE(res);
2407
2408 if (res) {
2409 out_clear_te:
2410 spin_lock_bh(&mvm->time_event_lock);
2411 iwl_mvm_te_clear_data(mvm, te_data);
2412 spin_unlock_bh(&mvm->time_event_lock);
2413 }
2414
2415 return res;
2416}
2417
8ca151b5
JB		 2418static int iwl_mvm_roc(struct ieee80211_hw *hw,
2419 struct ieee80211_vif *vif,
2420 struct ieee80211_channel *channel,
d339d5ca
IP		 2421 int duration,
2422 enum ieee80211_roc_type type)
8ca151b5
JB		 2423{
2424 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2425 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2426 struct cfg80211_chan_def chandef;
31d385ae
IP		 2427 struct iwl_mvm_phy_ctxt *phy_ctxt;
2428 int ret, i;
2429
2430 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2431 duration, type);
8ca151b5 2432
b112889c
AM		 2433 switch (vif->type) {
2434 case NL80211_IFTYPE_STATION:
2435 /* Use aux roc framework (HS20) */
2436 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2437 vif, duration);
2438 return ret;
2439 case NL80211_IFTYPE_P2P_DEVICE:
2440 /* handle below */
2441 break;
2442 default:
2443 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
8ca151b5
JB		 2444 return -EINVAL;
2445 }
2446
8ca151b5
JB		 2447 mutex_lock(&mvm->mutex);
2448
31d385ae
IP		 2449 for (i = 0; i < NUM_PHY_CTX; i++) {
2450 phy_ctxt = &mvm->phy_ctxts[i];
2451 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2452 continue;
2453
2454 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2455 /*
2456 * Unbind the P2P_DEVICE from the current PHY context,
2457 * and if the PHY context is not used remove it.
2458 */
2459 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2460 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2461 goto out_unlock;
2462
2463 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2464
2465 /* Bind the P2P_DEVICE to the current PHY Context */
2466 mvmvif->phy_ctxt = phy_ctxt;
2467
2468 ret = iwl_mvm_binding_add_vif(mvm, vif);
2469 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2470 goto out_unlock;
2471
2472 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2473 goto schedule_time_event;
2474 }
2475 }
2476
2477 /* Need to update the PHY context only if the ROC channel changed */
2478 if (channel == mvmvif->phy_ctxt->channel)
2479 goto schedule_time_event;
2480
8ca151b5 2481 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2482
31d385ae
IP		 2483 /*
2484 * Change the PHY context configuration as it is currently referenced
2485 * only by the P2P Device MAC
2486 */
2487 if (mvmvif->phy_ctxt->ref == 1) {
2488 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2489 &chandef, 1, 1);
2490 if (ret)
2491 goto out_unlock;
2492 } else {
2493 /*
2494 * The PHY context is shared with other MACs. Need to remove the
2495 * P2P Device from the binding, allocate an new PHY context and
2496 * create a new binding
2497 */
2498 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2499 if (!phy_ctxt) {
2500 ret = -ENOSPC;
2501 goto out_unlock;
2502 }
2503
2504 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2505 1, 1);
2506 if (ret) {
2507 IWL_ERR(mvm, "Failed to change PHY context\n");
2508 goto out_unlock;
2509 }
2510
2511 /* Unbind the P2P_DEVICE from the current PHY context */
2512 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2513 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2514 goto out_unlock;
2515
2516 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2517
2518 /* Bind the P2P_DEVICE to the new allocated PHY context */
2519 mvmvif->phy_ctxt = phy_ctxt;
2520
2521 ret = iwl_mvm_binding_add_vif(mvm, vif);
2522 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2523 goto out_unlock;
2524
2525 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2526 }
2527
2528schedule_time_event:
8ca151b5 2529 /* Schedule the time events */
e635c797 2530 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2531
31d385ae 2532out_unlock:
8ca151b5
JB		 2533 mutex_unlock(&mvm->mutex);
2534 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2535 return ret;
2536}
2537
2538static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2539{
2540 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2541
2542 IWL_DEBUG_MAC80211(mvm, "enter\n");
2543
2544 mutex_lock(&mvm->mutex);
2545 iwl_mvm_stop_p2p_roc(mvm);
2546 mutex_unlock(&mvm->mutex);
2547
2548 IWL_DEBUG_MAC80211(mvm, "leave\n");
2549 return 0;
2550}
2551
b08c1d97
LC		 2552static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2553 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2554{
fe0f2de3
IP		 2555 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2556 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2557 int ret;
2558
b08c1d97
LC		 2559 lockdep_assert_held(&mvm->mutex);
2560
53a9d61e 2561 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2562
fe0f2de3
IP		 2563 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2564 if (!phy_ctxt) {
2565 ret = -ENOSPC;
2566 goto out;
2567 }
8ca151b5 2568
dcbc3e1a 2569 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2570 ctx->rx_chains_static,
2571 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2572 if (ret) {
2573 IWL_ERR(mvm, "Failed to add PHY context\n");
2574 goto out;
2575 }
2576
53a9d61e 2577 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2578 *phy_ctxt_id = phy_ctxt->id;
2579out:
b08c1d97
LC		 2580 return ret;
2581}
2582
2583static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2584 struct ieee80211_chanctx_conf *ctx)
2585{
2586 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2587 int ret;
2588
2589 mutex_lock(&mvm->mutex);
2590 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2591 mutex_unlock(&mvm->mutex);
b08c1d97 2592
8ca151b5
JB		 2593 return ret;
2594}
2595
b08c1d97
LC		 2596static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2597 struct ieee80211_chanctx_conf *ctx)
2598{
2599 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2600 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2601
2602 lockdep_assert_held(&mvm->mutex);
2603
2604 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2605}
2606
8ca151b5
JB		 2607static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2608 struct ieee80211_chanctx_conf *ctx)
2609{
2610 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2611
2612 mutex_lock(&mvm->mutex);
b08c1d97 2613 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2614 mutex_unlock(&mvm->mutex);
2615}
2616
2617static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2618 struct ieee80211_chanctx_conf *ctx,
2619 u32 changed)
2620{
2621 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2622 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2623 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2624
31d385ae
IP		 2625 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2626 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2627 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2628 IEEE80211_CHANCTX_CHANGE_RADAR |
2629 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2630 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2631 phy_ctxt->ref, changed))
2632 return;
2633
8ca151b5 2634 mutex_lock(&mvm->mutex);
4d66449a 2635 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 2636 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2637 ctx->rx_chains_static,
2638 ctx->rx_chains_dynamic);
2639 mutex_unlock(&mvm->mutex);
2640}
2641
b08c1d97
LC		 2642static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2643 struct ieee80211_vif *vif,
f0c97783
LC		 2644 struct ieee80211_chanctx_conf *ctx,
2645 bool switching_chanctx)
8ca151b5 2646{
fe0f2de3
IP		 2647 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2648 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2649 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2650 int ret;
2651
b08c1d97 2652 lockdep_assert_held(&mvm->mutex);
8ca151b5 2653
fe0f2de3 2654 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2655
2656 switch (vif->type) {
2657 case NL80211_IFTYPE_AP:
bd3398e2
AO		 2658 /* Unless it's a CSA flow we have nothing to do here */
2659 if (vif->csa_active) {
2660 mvmvif->ap_ibss_active = true;
2661 break;
2662 }
5023d966 2663 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2664 /*
2665 * The AP binding flow is handled as part of the start_ap flow
5023d966 2666 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2667 */
2668 ret = 0;
b08c1d97 2669 goto out;
8ca151b5 2670 case NL80211_IFTYPE_STATION:
2533edce 2671 break;
8ca151b5 2672 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 2673 /* always disable PS when a monitor interface is active */
2674 mvmvif->ps_disabled = true;
8ca151b5
JB		 2675 break;
2676 default:
2677 ret = -EINVAL;
b08c1d97 2678 goto out;
8ca151b5
JB		 2679 }
2680
2681 ret = iwl_mvm_binding_add_vif(mvm, vif);
2682 if (ret)
b08c1d97 2683 goto out;
8ca151b5
JB		 2684
2685 /*
92d85562
AB		 2686 * Power state must be updated before quotas,
2687 * otherwise fw will complain.
2688 */
999609f1 2689 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 2690
2691 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2692 * interfaces. For the other types, the bss_info changed flow
2693 * will handle quota settings.
2694 */
2695 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2696 mvmvif->monitor_active = true;
0166230c 2697 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2698 if (ret)
2699 goto out_remove_binding;
2700 }
2701
bd3398e2 2702 /* Handle binding during CSA */
f0c97783
LC		 2703 if ((vif->type == NL80211_IFTYPE_AP) ||
2704 (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
0166230c 2705 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 2706 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 2707 }
2708
0ce04ce7
LC		 2709 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
2710 struct iwl_mvm_sta *mvmsta;
2711
2712 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2713 mvmvif->ap_sta_id);
2714
2715 if (WARN_ON(!mvmsta))
2716 goto out;
2717
2718 /* TODO: only re-enable after the first beacon */
2719 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
2720 }
2721
b08c1d97 2722 goto out;
8ca151b5 2723
b08c1d97 2724out_remove_binding:
8ca151b5 2725 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 2726 iwl_mvm_power_update_mac(mvm);
b08c1d97 2727out:
8ca151b5
JB		 2728 if (ret)
2729 mvmvif->phy_ctxt = NULL;
2730 return ret;
2731}
b08c1d97
LC		 2732static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2733 struct ieee80211_vif *vif,
2734 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 2735{
2736 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 2737 int ret;
8ca151b5
JB		 2738
2739 mutex_lock(&mvm->mutex);
f0c97783 2740 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 2741 mutex_unlock(&mvm->mutex);
2742
2743 return ret;
2744}
2745
2746static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2747 struct ieee80211_vif *vif,
f0c97783
LC		 2748 struct ieee80211_chanctx_conf *ctx,
2749 bool switching_chanctx)
b08c1d97
LC		 2750{
2751 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 2752 struct ieee80211_vif *disabled_vif = NULL;
0ce04ce7 2753 struct iwl_mvm_sta *mvmsta;
b08c1d97
LC		 2754
2755 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 2756
2757 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2758
8ca151b5 2759 switch (vif->type) {
5023d966 2760 case NL80211_IFTYPE_ADHOC:
b08c1d97 2761 goto out;
8ca151b5 2762 case NL80211_IFTYPE_MONITOR:
1e1391ca 2763 mvmvif->monitor_active = false;
2533edce 2764 mvmvif->ps_disabled = false;
8ca151b5 2765 break;
bd3398e2
AO		 2766 case NL80211_IFTYPE_AP:
2767 /* This part is triggered only during CSA */
2768 if (!vif->csa_active || !mvmvif->ap_ibss_active)
b08c1d97 2769 goto out;
bd3398e2 2770
003e5236
AO		 2771 /* Set CS bit on all the stations */
2772 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2773
2774 /* Save blocked iface, the timeout is set on the next beacon */
2775 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2776
bd3398e2 2777 mvmvif->ap_ibss_active = false;
f0c97783
LC		 2778 break;
2779 case NL80211_IFTYPE_STATION:
2780 if (!switching_chanctx)
2781 break;
2782
2783 disabled_vif = vif;
2784
0ce04ce7
LC		 2785 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2786 mvmvif->ap_sta_id);
2787
2788 if (!WARN_ON(!mvmsta))
2789 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
2790
3dfd3a97 2791 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 2792 break;
8ca151b5
JB		 2793 default:
2794 break;
2795 }
2796
f0c97783 2797 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 2798 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2799
b08c1d97 2800out:
a11e144e 2801 mvmvif->phy_ctxt = NULL;
999609f1 2802 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 2803}
2804
2805static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2806 struct ieee80211_vif *vif,
2807 struct ieee80211_chanctx_conf *ctx)
2808{
2809 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2810
2811 mutex_lock(&mvm->mutex);
f0c97783 2812 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 2813 mutex_unlock(&mvm->mutex);
2814}
2815
b08c1d97
LC		 2816static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
2817 struct ieee80211_vif_chanctx_switch *vifs,
2818 int n_vifs,
2819 enum ieee80211_chanctx_switch_mode mode)
2820{
2821 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2822 int ret;
2823
2824 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2825 if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
2826 return -EOPNOTSUPP;
2827
2828 mutex_lock(&mvm->mutex);
f0c97783 2829 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 2830 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2831
2832 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2833 if (ret) {
2834 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2835 goto out_reassign;
2836 }
2837
f0c97783
LC		 2838 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2839 true);
b08c1d97
LC		 2840 if (ret) {
2841 IWL_ERR(mvm,
2842 "failed to assign new_ctx during channel switch\n");
2843 goto out_remove;
2844 }
2845
f697267f
AN		 2846 /* we don't support TDLS during DCM - can be caused by channel switch */
2847 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2848 iwl_mvm_teardown_tdls_peers(mvm);
2849
b08c1d97
LC		 2850 goto out;
2851
2852out_remove:
2853 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
2854
2855out_reassign:
2856 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx);
2857 if (ret) {
2858 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
2859 goto out_restart;
2860 }
2861
f0c97783
LC		 2862 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
2863 true);
b08c1d97
LC		 2864 if (ret) {
2865 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
2866 goto out_restart;
2867 }
2868
2869 goto out;
2870
2871out_restart:
2872 /* things keep failing, better restart the hw */
2873 iwl_mvm_nic_restart(mvm, false);
2874
2875out:
2876 mutex_unlock(&mvm->mutex);
2877 return ret;
2878}
2879
8ca151b5
JB		 2880static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2881 struct ieee80211_sta *sta,
2882 bool set)
2883{
2884 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2885 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2886
2887 if (!mvm_sta || !mvm_sta->vif) {
2888 IWL_ERR(mvm, "Station is not associated to a vif\n");
2889 return -EINVAL;
2890 }
2891
2892 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2893}
2894
507cadf2
DS		 2895#ifdef CONFIG_NL80211_TESTMODE
2896static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2897 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2898 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2899 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2900};
2901
2902static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2903 struct ieee80211_vif *vif,
2904 void *data, int len)
2905{
2906 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2907 int err;
2908 u32 noa_duration;
2909
2910 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2911 if (err)
2912 return err;
2913
2914 if (!tb[IWL_MVM_TM_ATTR_CMD])
2915 return -EINVAL;
2916
2917 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2918 case IWL_MVM_TM_CMD_SET_NOA:
2919 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2920 !vif->bss_conf.enable_beacon ||
2921 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2922 return -EINVAL;
2923
2924 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2925 if (noa_duration >= vif->bss_conf.beacon_int)
2926 return -EINVAL;
2927
2928 mvm->noa_duration = noa_duration;
2929 mvm->noa_vif = vif;
2930
0166230c 2931 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 2932 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2933 /* must be associated client vif - ignore authorized */
2934 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2935 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2936 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2937 return -EINVAL;
2938
2939 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 2940 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2941 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 2942 }
2943
2944 return -EOPNOTSUPP;
2945}
2946
2947static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
2948 struct ieee80211_vif *vif,
2949 void *data, int len)
2950{
2951 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2952 int err;
2953
2954 mutex_lock(&mvm->mutex);
2955 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
2956 mutex_unlock(&mvm->mutex);
2957
2958 return err;
2959}
2960#endif
2961
bd3398e2
AO		 2962static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw,
2963 struct ieee80211_vif *vif,
2964 struct cfg80211_chan_def *chandef)
2965{
2966 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 2967 struct ieee80211_vif *csa_vif;
bd3398e2
AO		 2968
2969 mutex_lock(&mvm->mutex);
664322fa
AO		 2970
2971 csa_vif = rcu_dereference_protected(mvm->csa_vif,
2972 lockdep_is_held(&mvm->mutex));
2973 if (WARN(csa_vif && csa_vif->csa_active,
bd3398e2
AO		 2974 "Another CSA is already in progress"))
2975 goto out_unlock;
2976
2977 IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
2978 chandef->center_freq1);
664322fa 2979 rcu_assign_pointer(mvm->csa_vif, vif);
bd3398e2
AO		 2980
2981out_unlock:
2982 mutex_unlock(&mvm->mutex);
2983}
2984
c5b0e7c0
EG		 2985static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
2986 struct ieee80211_vif *vif, u32 queues, bool drop)
2987{
2988 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2989 struct iwl_mvm_vif *mvmvif;
2990 struct iwl_mvm_sta *mvmsta;
2991
2992 if (!vif || vif->type != NL80211_IFTYPE_STATION)
2993 return;
2994
2995 mutex_lock(&mvm->mutex);
2996 mvmvif = iwl_mvm_vif_from_mac80211(vif);
2997 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
2998
2999 if (WARN_ON_ONCE(!mvmsta))
3000 goto done;
3001
3002 if (drop) {
3003 if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))
3004 IWL_ERR(mvm, "flush request fail\n");
3005 } else {
3006 iwl_trans_wait_tx_queue_empty(mvm->trans,
3007 mvmsta->tfd_queue_msk);
3008 }
3009done:
3010 mutex_unlock(&mvm->mutex);
3011}
3012
e5209263 3013const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3014 .tx = iwl_mvm_mac_tx,
3015 .ampdu_action = iwl_mvm_mac_ampdu_action,
3016 .start = iwl_mvm_mac_start,
3017 .restart_complete = iwl_mvm_mac_restart_complete,
3018 .stop = iwl_mvm_mac_stop,
3019 .add_interface = iwl_mvm_mac_add_interface,
3020 .remove_interface = iwl_mvm_mac_remove_interface,
3021 .config = iwl_mvm_mac_config,
e59647ea 3022 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3023 .configure_filter = iwl_mvm_configure_filter,
3024 .bss_info_changed = iwl_mvm_bss_info_changed,
3025 .hw_scan = iwl_mvm_mac_hw_scan,
3026 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3027 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3028 .sta_state = iwl_mvm_mac_sta_state,
3029 .sta_notify = iwl_mvm_mac_sta_notify,
3030 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3031 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3032 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3033 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3034 .conf_tx = iwl_mvm_mac_conf_tx,
3035 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3036 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3037 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3038 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3039 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3040 .set_key = iwl_mvm_mac_set_key,
3041 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3042 .remain_on_channel = iwl_mvm_roc,
3043 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3044 .add_chanctx = iwl_mvm_add_chanctx,
3045 .remove_chanctx = iwl_mvm_remove_chanctx,
3046 .change_chanctx = iwl_mvm_change_chanctx,
3047 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3048 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3049 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3050
5023d966
JB		 3051 .start_ap = iwl_mvm_start_ap_ibss,
3052 .stop_ap = iwl_mvm_stop_ap_ibss,
3053 .join_ibss = iwl_mvm_start_ap_ibss,
3054 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3055
3056 .set_tim = iwl_mvm_set_tim,
3057
bd3398e2
AO		 3058 .channel_switch_beacon = iwl_mvm_channel_switch_beacon,
3059
507cadf2
DS		 3060 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3061
8ca151b5
JB		 3062#ifdef CONFIG_PM_SLEEP
3063 /* look at d3.c */
3064 .suspend = iwl_mvm_suspend,
3065 .resume = iwl_mvm_resume,
3066 .set_wakeup = iwl_mvm_set_wakeup,
3067 .set_rekey_data = iwl_mvm_set_rekey_data,
3068#if IS_ENABLED(CONFIG_IPV6)
3069 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3070#endif
3071 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3072#endif
3073};
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